diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 000000000..b7a363897
Binary files /dev/null and b/.DS_Store differ
diff --git a/.env b/.env
new file mode 100644
index 000000000..b2474ff93
--- /dev/null
+++ b/.env
@@ -0,0 +1,6 @@
+KEY1="eieduaiduiiid"
+KEY2="3777dasdyy231"
+PORT=3000
+MONGO_DB_URI="mongodb+srv://templarenoch:v7DBhNxLPUUY721U@dacluster.pqwgabo.mongodb.net/?retryWrites=true&w=majority"
+GITHUB_CLIENT_ID="51f224cba83f6277d42f"
+GITHUB_SECRET="e593b3a6024251fe30623ba58614c025aef628ce"
\ No newline at end of file
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 000000000..b58b603fe
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,5 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/.idea/Assignment 3 Webware.iml b/.idea/Assignment 3 Webware.iml
new file mode 100644
index 000000000..ddfa7d9d9
--- /dev/null
+++ b/.idea/Assignment 3 Webware.iml	
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/temp" />
+      <excludeFolder url="file://$MODULE_DIR$/.tmp" />
+      <excludeFolder url="file://$MODULE_DIR$/tmp" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="bootstrap" level="application" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/jsLibraryMappings.xml b/.idea/jsLibraryMappings.xml
new file mode 100644
index 000000000..b84383514
--- /dev/null
+++ b/.idea/jsLibraryMappings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptLibraryMappings">
+    <file url="PROJECT" libraries="{bootstrap}" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 000000000..e1853460c
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Assignment 3 Webware.iml" filepath="$PROJECT_DIR$/.idea/Assignment 3 Webware.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 000000000..94a25f7f4
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 1ba2c7a4c..306c46ef9 100644
--- a/README.md
+++ b/README.md
@@ -1,116 +1,50 @@
-Assignment 3 - Persistence: Two-tier Web Application with Database, Express server, and CSS template
+TDEE Calculator
 ===
+## by Enoch Zhao
 
-Due: September 22nd, by 11:59 AM.
+Website link: https://tdeecalculator.herokuapp.com/
 
-This assignnment continues where we left off, extending it to use the most popular Node.js server framework (express), 
-a database (mongodb), and a CSS application framework / template of your choice (Boostrap, Material Design, Semantic UI, Pure etc.)
+There is an existing test account should you not wish to create a new account. The username and password are:
 
-Baseline Requirements
----
+Username: cs4241
 
-Your application is required to implement the following functionalities:
+Password: 123123
 
-- a `Server`, created using Express (no alternatives will be accepted for this assignment)
-- a `Results` functionality which shows all data associated with a logged in user (except passwords)
-- a `Form/Entry` functionality which allows users to add, modify, and delete data items (must be all three!) associated with their user name / account.
-- Use of at least five [Express middleware packages](https://expressjs.com/en/resources/middleware.html). Explore! One of these five middleware 
-can be a custom function that you write yourself; if you choose to do this, make sure to describe what this function is in your README.  
-- Persistent data storage in between server sessions using [mongodb](https://www.mongodb.com/cloud/atlas)
-- Use of a [CSS framework or template](https://github.com/troxler/awesome-css-frameworks). 
-This should do the bulk of your styling/CSS for you and be appropriate to your application. 
-For example, don't use [NES.css](https://nostalgic-css.github.io/NES.css/) (which is awesome!) unless you're creating a game or some type of retro 80s site.
+*These details are also provided on the site within the login forms.
 
-Your application is required to demonstrate the use of the following concepts:  
-
-HTML:  
-- HTML input tags and form fields of various flavors (`<textarea>`, `<input>`, checkboxes, radio buttons etc.)
-- HTML that can display all data *for a particular authenticated user*. Note that this is different from the last assignnment, which required the display of all data in memory on the server.
-
-Note that it might make sense to have two pages for this assignment, one that handles login / authentication, and one that contains the rest of your application.
-For example, when visiting the home page for the assignment, users could be presented with a login form. After submitting the login form, if the login is 
-successful, they are taken to the main application. If they fail, they are sent back to the login to try again. For this assignment, it is acceptable to simply create 
-new user accounts upon login if none exist, however, you must alert your users to this fact.  
-
-CSS:  
-- CSS styling should primarily be provided by your chosen template/framework. 
-Oftentimes a great deal of care has been put into designing CSS templates; 
-don't override their stylesheets unless you are extremely confident in your graphic design capabilities. 
-The idea is to use CSS templates that give you a professional looking design aesthetic without requiring you to be a graphic designer yourself.
-
-JavaScript:  
-- At minimum, a small amount of front-end JavaScript to get / fetch data from the server. 
-See the [previous assignment](https://github.com/cs4241-19a/a2-shortstack) for reference.
-
-Node.js:  
-- A server using Express, at least five pieces of Express middleware, and a persistent database (mongodb).
-
-General:  
-- Your site should achieve at least 90% on the `Performance`, `Best Practices`, `Accessibility`, and `SEO` tests 
-using Google [Lighthouse](https://developers.google.com/web/tools/lighthouse) (don't worry about the PWA test, and don't worry about scores for mobile devices).
-Test early and often so that fixing problems doesn't lead to suffering at the end of the assignment. 
-
-Deliverables
----
-
-Do the following to complete this assignment:
-
-1. Implement your project with the above requirements. A good potential starting point is to use the "hello-express" project template inside of Glitch; this appears as an option when you hit the "New Project" button. Use the work you did in the last assignment as a reference to implement functionality.
-2. If you developed your project locally, deploy your project to Glitch (unless completing the alternative server technical acheivement described below), and fill in the appropriate fields in your package.json file.
-3. Test your project to make sure that when someone goes to your main page on Glitch, it displays correctly.
-4. Ensure that your project has the proper naming scheme `a3-yourfirstname-yourlastname` so we can find it.
-5. Fork this repository and modify the README to the specifications below.
-6. Create and submit a Pull Request to the original repo. Name the pull request using the following template: `a3-firstname-lastname`.
-
-Acheivements
----
-
-Below are suggested technical and design achievements. You can use these to help boost your grade up to an A and customize the 
-assignment to your personal interests, for a maximum twenty additional points and a maximum grade of a 100%. 
-These are recommended acheivements, but feel free to create/implement your own... just make sure you thoroughly describe what you did in your README, 
-why it was challenging, and how many points you think the achievement should be worth. 
-ALL ACHIEVEMENTS MUST BE DESCRIBED IN YOUR README IN ORDER TO GET CREDIT FOR THEM.
-
-*Technical*
-- (10 points) Implement OAuth authentication, perhaps with a library like [passport.js](http://www.passportjs.org/). 
-*You must either use Github authenticaion or provide a username/password to access a dummy account*. 
-Course staff cannot be expected, for example, to have a personal Facebook, Google, or Twitter account to use when grading this assignment. 
-Please contact the course staff if you have any questions about this. THIS IS THE HARDEST ACHEIVEMENT OFFERED IN WEBWARE. You have been warned!  
-- (5 points) Instead of Glitch, host your site on a different service like [Heroku](https://www.heroku.com) or [Digital Ocean](https://www.digitalocean.com). Make sure to describe this a bit in your README. What was better about using the service you chose as compared to Glitch? What (if anything) was worse? 
-- (5 points) Get 100% (not 98%, not 99%, but 100%) in all four lighthouse tests required for this assignment.  
-
-*Design/UX*
-- (10 points) Make your site accessible using the [resources and hints available from the W3C](https://www.w3.org/WAI/), Implement/follow twelve tips from their [tips for writing](https://www.w3.org/WAI/tips/writing/), [tips for designing](https://www.w3.org/WAI/tips/designing/), and [tips for development](https://www.w3.org/WAI/tips/developing/). *Note that all twelve must require active work on your part*. 
-For example, even though your page will most likely not have a captcha, you don't get this as one of your twelve tips to follow because you're effectively 
-getting it "for free" without having to actively change anything about your site. 
-Contact the course staff if you have any questions about what qualifies and doesn't qualify in this regard. 
-List each tip that you followed and describe what you did to follow it in your site.
-- (5 points) Describe how your site uses the CRAP principles in the Non-Designer's Design Book readings. 
-Which element received the most emphasis (contrast) on each page? 
-How did you use proximity to organize the visual information on your page? 
-What design elements (colors, fonts, layouts, etc.) did you use repeatedly throughout your site? 
-How did you use alignment to organize information and/or increase contrast for particular elements. 
-Write a paragraph of at least 125 words *for each of four principles* (four paragraphs, 500 words in total). 
-
-Sample Readme (delete the above when you're ready to submit, and modify the below so with your links and descriptions)
----
-
-## Your Web Application Title
-
-your glitch (or alternative server) link e.g. http://a3-charlie-roberts.glitch.me
-
-Include a very brief summary of your project here. Images are encouraged, along with concise, high-level text. Be sure to include:
-
-- the goal of the application
-- challenges you faced in realizing the application
-- what authentication strategy you chose to use and why (choosing one because it seemed the easiest to implement is perfectly acceptable)
-- what CSS framework you used and why
-  - include any modifications to the CSS framework you made via custom CSS you authored
-- the five Express middleware packages you used and a short (one sentence) summary of what each one does. If you use a custom function for *one* (and one alone) middleware please 
-add a little more detail about what it does.
+- This website continues from the submission in A2, where a user's Total Daily Energy Expenditure is calculated based on provided information
+- TDEE results are stored on MongoDB and data shown is only related to logged-in user 
+- OAuth Implementation was very difficult to accomplish, a lot of external documentation and guidance from course staff and colleagues was utilised to achieve the end result.
+- Github authentication was used due to the straightforward nature of their API, however the need for a callback URL had me stuck for quite a while as I did not know what the url should be since the server had not yet been uploaded to Heroku
+- CSS Framework used was Bootstrap 5.2
+  - Made additional css modifications for different portions of the site background (Header, Footer, Login and User page backgrounds)
+- Express Middleware Packages used:
+  - **Passport** - Passport used to authenticate 3rd party login
+  - **Serve Static** - For use in serving static files
+  - **Body Parser** - For use in parsing HTTP request bodies
+  - **Cookie Session** - For use in establishing cookie-based sessions
+  - **Cookie Parser** - For use in parsing cookie header and to populate cookie requests
+  - **Mongoose** - Mongoose used to provide handler for MongoDB
 
 ## Technical Achievements
-- **Tech Achievement 1**: I used OAuth authentication via the GitHub strategy
+- **Implement OAuth Authentication (10pt)**: I used OAuth authentication via the GitHub strategy
+- **Hosted Website on External Service (5pt)**: I hosted my website using Heroku (as can be seen from the URL)
+- **Lighthouse Test Achievement (5pt)**: I achieved 100% on Performance, Accessibility, Best Practices, an SEO Lighthouse tests (screenshot below)
+
+![alt text](https://github.com/pepenoq/a3-persistence/blob/main/public/images/lighthousetestsa3.JPG)
 
 ### Design/Evaluation Achievements
-- **Design Achievement 1**: I followed the following tips from the W3C Web Accessibility Initiative...
+- **Site accessibility through W3C Hints (some points?)**: 
+I only exactly followed I think 10 of the hints from the W3C tips for writing, designing, and development. If I needed to follow at least 12 to achieve any points at all, then please disregard this achievement.
+
+Tips followed are below:
+- Content is clear and concise - Login Page shows the user exactly where each function is, and User page is not cluttered with the constant inclusion of add forms or edit forms
+- Identifiable Feedback for User - Both Login and User pages show error messages clearly detailing the error the user is experiencing for a more smooth experience
+- Ensure that form elements include clearly associated labels - Login and User HTML code includes labels for all user forms
+- Ensure that interactive elements are easy to identify - All elements on the website that are interact-able have been made clear in the form of buttons
+- Use headings and spacing to group related content - Login page groups related content such as account creation or account login to their respective locations on the page. User page also clearly shows the add response or sign out buttons to user
+- Provide clear and consistent navigation options - Clear and consistent navigation options for users to log in, create accounts, use Github to login, add forms, sign out, edit forms, and delete forms
+- Provide sufficient contrast between foreground and background - Background and foreground colours are different so as to help the user focus on matters of importance. Corresponding text and button colours are also in contrast to the foreground and background
+- Provide informative, unique page titles - The page titles help show the user the distinction between the log-in page and post log-in page calculator (Log In to TDEE Calculator and TDEE Calculator)
+- Help users avoid and correct mistakes - The error messages that pop up help users identify the mistakes they've made in form submissions
+- Reflect the reading order in the code order - The HTML code (even without CSS) reflects the order in which information is presented on the webpage
diff --git a/node_modules/.bin/mime b/node_modules/.bin/mime
new file mode 100644
index 000000000..0a62a1b13
--- /dev/null
+++ b/node_modules/.bin/mime
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../mime/cli.js" "$@"
+else 
+  exec node  "$basedir/../mime/cli.js" "$@"
+fi
diff --git a/node_modules/.bin/mime.cmd b/node_modules/.bin/mime.cmd
new file mode 100644
index 000000000..54491f12e
--- /dev/null
+++ b/node_modules/.bin/mime.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\mime\cli.js" %*
diff --git a/node_modules/.bin/mime.ps1 b/node_modules/.bin/mime.ps1
new file mode 100644
index 000000000..2222f40bc
--- /dev/null
+++ b/node_modules/.bin/mime.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../mime/cli.js" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../mime/cli.js" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../mime/cli.js" $args
+  } else {
+    & "node$exe"  "$basedir/../mime/cli.js" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/node b/node_modules/.bin/node
new file mode 100644
index 000000000..f5a3e4e3c
--- /dev/null
+++ b/node_modules/.bin/node
@@ -0,0 +1,8 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+exec "$basedir/../node/bin/node"   "$@"
diff --git a/node_modules/.bin/node.cmd b/node_modules/.bin/node.cmd
new file mode 100644
index 000000000..fb2c3088a
--- /dev/null
+++ b/node_modules/.bin/node.cmd
@@ -0,0 +1,9 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+"%dp0%\..\node\bin\node"   %*
diff --git a/node_modules/.bin/node.ps1 b/node_modules/.bin/node.ps1
new file mode 100644
index 000000000..99a0aac9c
--- /dev/null
+++ b/node_modules/.bin/node.ps1
@@ -0,0 +1,16 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+# Support pipeline input
+if ($MyInvocation.ExpectingInput) {
+  $input | & "$basedir/../node/bin/node"   $args
+} else {
+  & "$basedir/../node/bin/node"   $args
+}
+exit $LASTEXITCODE
diff --git a/node_modules/.bin/sshpk-conv b/node_modules/.bin/sshpk-conv
new file mode 100644
index 000000000..ab33b1e48
--- /dev/null
+++ b/node_modules/.bin/sshpk-conv
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../sshpk/bin/sshpk-conv" "$@"
+else 
+  exec node  "$basedir/../sshpk/bin/sshpk-conv" "$@"
+fi
diff --git a/node_modules/.bin/sshpk-conv.cmd b/node_modules/.bin/sshpk-conv.cmd
new file mode 100644
index 000000000..2bdc325ff
--- /dev/null
+++ b/node_modules/.bin/sshpk-conv.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\sshpk\bin\sshpk-conv" %*
diff --git a/node_modules/.bin/sshpk-conv.ps1 b/node_modules/.bin/sshpk-conv.ps1
new file mode 100644
index 000000000..a8e820e85
--- /dev/null
+++ b/node_modules/.bin/sshpk-conv.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../sshpk/bin/sshpk-conv" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../sshpk/bin/sshpk-conv" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../sshpk/bin/sshpk-conv" $args
+  } else {
+    & "node$exe"  "$basedir/../sshpk/bin/sshpk-conv" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/sshpk-sign b/node_modules/.bin/sshpk-sign
new file mode 100644
index 000000000..87f8ae8c4
--- /dev/null
+++ b/node_modules/.bin/sshpk-sign
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../sshpk/bin/sshpk-sign" "$@"
+else 
+  exec node  "$basedir/../sshpk/bin/sshpk-sign" "$@"
+fi
diff --git a/node_modules/.bin/sshpk-sign.cmd b/node_modules/.bin/sshpk-sign.cmd
new file mode 100644
index 000000000..732357866
--- /dev/null
+++ b/node_modules/.bin/sshpk-sign.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\sshpk\bin\sshpk-sign" %*
diff --git a/node_modules/.bin/sshpk-sign.ps1 b/node_modules/.bin/sshpk-sign.ps1
new file mode 100644
index 000000000..0de3957dd
--- /dev/null
+++ b/node_modules/.bin/sshpk-sign.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../sshpk/bin/sshpk-sign" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../sshpk/bin/sshpk-sign" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../sshpk/bin/sshpk-sign" $args
+  } else {
+    & "node$exe"  "$basedir/../sshpk/bin/sshpk-sign" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/sshpk-verify b/node_modules/.bin/sshpk-verify
new file mode 100644
index 000000000..c2d00d083
--- /dev/null
+++ b/node_modules/.bin/sshpk-verify
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../sshpk/bin/sshpk-verify" "$@"
+else 
+  exec node  "$basedir/../sshpk/bin/sshpk-verify" "$@"
+fi
diff --git a/node_modules/.bin/sshpk-verify.cmd b/node_modules/.bin/sshpk-verify.cmd
new file mode 100644
index 000000000..b0c43cb1b
--- /dev/null
+++ b/node_modules/.bin/sshpk-verify.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\sshpk\bin\sshpk-verify" %*
diff --git a/node_modules/.bin/sshpk-verify.ps1 b/node_modules/.bin/sshpk-verify.ps1
new file mode 100644
index 000000000..83707850e
--- /dev/null
+++ b/node_modules/.bin/sshpk-verify.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../sshpk/bin/sshpk-verify" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../sshpk/bin/sshpk-verify" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../sshpk/bin/sshpk-verify" $args
+  } else {
+    & "node$exe"  "$basedir/../sshpk/bin/sshpk-verify" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.bin/uuid b/node_modules/.bin/uuid
new file mode 100644
index 000000000..2cfa7bf7c
--- /dev/null
+++ b/node_modules/.bin/uuid
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../uuid/bin/uuid" "$@"
+else 
+  exec node  "$basedir/../uuid/bin/uuid" "$@"
+fi
diff --git a/node_modules/.bin/uuid.cmd b/node_modules/.bin/uuid.cmd
new file mode 100644
index 000000000..1156e2766
--- /dev/null
+++ b/node_modules/.bin/uuid.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\uuid\bin\uuid" %*
diff --git a/node_modules/.bin/uuid.ps1 b/node_modules/.bin/uuid.ps1
new file mode 100644
index 000000000..9e6c24b14
--- /dev/null
+++ b/node_modules/.bin/uuid.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../uuid/bin/uuid" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../uuid/bin/uuid" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../uuid/bin/uuid" $args
+  } else {
+    & "node$exe"  "$basedir/../uuid/bin/uuid" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/.package-lock.json b/node_modules/.package-lock.json
new file mode 100644
index 000000000..b07a79307
--- /dev/null
+++ b/node_modules/.package-lock.json
@@ -0,0 +1,1542 @@
+{
+  "name": "a3-enoch-zhao",
+  "version": "1.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "node_modules/@types/node": {
+      "version": "18.7.21",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.7.21.tgz",
+      "integrity": "sha512-rLFzK5bhM0YPyCoTC8bolBjMk7bwnZ8qeZUBslBfjZQou2ssJdWslx9CZ8DGM+Dx7QXQiiTVZ/6QO6kwtHkZCA=="
+    },
+    "node_modules/@types/webidl-conversions": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@types/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
+      "integrity": "sha512-xTE1E+YF4aWPJJeUzaZI5DRntlkY3+BCVJi0axFptnjGmAoWxkyREIh/XMrfxVLejwQxMCfDXdICo0VLxThrog=="
+    },
+    "node_modules/@types/whatwg-url": {
+      "version": "8.2.2",
+      "resolved": "https://registry.npmjs.org/@types/whatwg-url/-/whatwg-url-8.2.2.tgz",
+      "integrity": "sha512-FtQu10RWgn3D9U4aazdwIE2yzphmTJREDqNdODHrbrZmmMqI0vMheC/6NE/J1Yveaj8H+ela+YwWTjq5PGmuhA==",
+      "dependencies": {
+        "@types/node": "*",
+        "@types/webidl-conversions": "*"
+      }
+    },
+    "node_modules/accepts": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
+      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+      "dependencies": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/ajv": {
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
+    "node_modules/array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
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+    },
+    "node_modules/asn1": {
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.6.tgz",
+      "integrity": "sha512-ix/FxPn0MDjeyJ7i/yoHGFt/EX6LyNbxSEhPPXODPL+KB0VPk86UYfL0lMdy+KCnv+fmvIzySwaK5COwqVbWTQ==",
+      "dependencies": {
+        "safer-buffer": "~2.1.0"
+      }
+    },
+    "node_modules/assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha512-NfJ4UzBCcQGLDlQq7nHxH+tv3kyZ0hHQqF5BO6J7tNJeP5do1llPr8dZ8zHonfhAu0PHAdMkSo+8o0wxg9lZWw==",
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
+    "node_modules/asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q=="
+    },
+    "node_modules/aws-sign2": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha512-08kcGqnYf/YmjoRhfxyu+CLxBjUtHLXLXX/vUfx9l2LYzG3c1m61nrpyFUZI6zeS+Li/wWMMidD9KgrqtGq3mA==",
+      "engines": {
+        "node": "*"
+      }
+    },
+    "node_modules/aws4": {
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.11.0.tgz",
+      "integrity": "sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA=="
+    },
+    "node_modules/base64-js": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
+    "node_modules/base64url": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/base64url/-/base64url-3.0.1.tgz",
+      "integrity": "sha512-ir1UPr3dkwexU7FdV8qBBbNDRUhMmIekYMFZfi+C/sLNnRESKPl23nB9b2pltqfOQNnGzsDdId90AEtG5tCx4A==",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/bcrypt-pbkdf": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
+      "integrity": "sha512-qeFIXtP4MSoi6NLqO12WfqARWWuCKi2Rn/9hJLEmtB5yTNr9DqFWkJRCf2qShWzPeAMRnOgCrq0sg/KLv5ES9w==",
+      "dependencies": {
+        "tweetnacl": "^0.14.3"
+      }
+    },
+    "node_modules/body-parser": {
+      "version": "1.20.0",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.0.tgz",
+      "integrity": "sha512-DfJ+q6EPcGKZD1QWUjSpqp+Q7bDQTsQIF4zfUAtZ6qk+H/3/QRhg9CEp39ss+/T2vw0+HaidC0ecJj/DRLIaKg==",
+      "dependencies": {
+        "bytes": "3.1.2",
+        "content-type": "~1.0.4",
+        "debug": "2.6.9",
+        "depd": "2.0.0",
+        "destroy": "1.2.0",
+        "http-errors": "2.0.0",
+        "iconv-lite": "0.4.24",
+        "on-finished": "2.4.1",
+        "qs": "6.10.3",
+        "raw-body": "2.5.1",
+        "type-is": "~1.6.18",
+        "unpipe": "1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8",
+        "npm": "1.2.8000 || >= 1.4.16"
+      }
+    },
+    "node_modules/bson": {
+      "version": "4.7.0",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-4.7.0.tgz",
+      "integrity": "sha512-VrlEE4vuiO1WTpfof4VmaVolCVYkYTgB9iWgYNOrVlnifpME/06fhFRmONgBhClD5pFC1t9ZWqFUQEQAzY43bA==",
+      "dependencies": {
+        "buffer": "^5.6.0"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/buffer": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
+      }
+    },
+    "node_modules/bytes": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
+      "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/call-bind": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
+      "integrity": "sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==",
+      "dependencies": {
+        "function-bind": "^1.1.1",
+        "get-intrinsic": "^1.0.2"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
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+    },
+    "node_modules/combined-stream": {
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+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
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+        "delayed-stream": "~1.0.0"
+      },
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+      }
+    },
+    "node_modules/connect-timeout": {
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+      "dependencies": {
+        "http-errors": "~1.6.1",
+        "ms": "2.0.0",
+        "on-finished": "~2.3.0",
+        "on-headers": "~1.0.1"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/connect-timeout/node_modules/depd": {
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+      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
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+        "node": ">= 0.6"
+      }
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+    "node_modules/connect-timeout/node_modules/http-errors": {
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+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
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+      "dependencies": {
+        "depd": "~1.1.2",
+        "inherits": "2.0.3",
+        "setprototypeof": "1.1.0",
+        "statuses": ">= 1.4.0 < 2"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/connect-timeout/node_modules/inherits": {
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+      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
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+    },
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+      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.3.0.tgz",
+      "integrity": "sha512-ikqdkGAAyf/X/gPhXGvfgAytDZtDbr+bkNUJ0N9h5MI/dmdgCs3l6hoHrcUv41sRKew3jIwrp4qQDXiK99Utww==",
+      "dependencies": {
+        "ee-first": "1.1.1"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/connect-timeout/node_modules/setprototypeof": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.0.tgz",
+      "integrity": "sha512-BvE/TwpZX4FXExxOxZyRGQQv651MSwmWKZGqvmPcRIjDqWub67kTKuIMx43cZZrS/cBBzwBcNDWoFxt2XEFIpQ=="
+    },
+    "node_modules/connect-timeout/node_modules/statuses": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
+      "integrity": "sha512-OpZ3zP+jT1PI7I8nemJX4AKmAX070ZkYPVWV/AaKTJl+tXCTGyVdC1a4SL8RUQYEwk/f34ZX8UTykN68FwrqAA==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/content-disposition": {
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+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
+      "integrity": "sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ==",
+      "dependencies": {
+        "safe-buffer": "5.2.1"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/content-type": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
+      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
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+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.1.tgz",
+      "integrity": "sha512-ZwrFkGJxUR3EIoXtO+yVE69Eb7KlixbaeAWfBQB9vVsNn/o+Yw69gBWSSDK825hQNdN+wF8zELf3dFNl/kxkUA==",
+      "engines": {
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+      "resolved": "https://registry.npmjs.org/cookie-parser/-/cookie-parser-1.4.6.tgz",
+      "integrity": "sha512-z3IzaNjdwUC2olLIB5/ITd0/setiaFMLYiZJle7xg5Fe9KWAceil7xszYfHHBtDFYLSgJduS2Ty0P1uJdPDJeA==",
+      "dependencies": {
+        "cookie": "0.4.1",
+        "cookie-signature": "1.0.6"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
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+}
diff --git a/node_modules/@types/node/LICENSE b/node_modules/@types/node/LICENSE
new file mode 100644
index 000000000..9e841e7a2
--- /dev/null
+++ b/node_modules/@types/node/LICENSE
@@ -0,0 +1,21 @@
+    MIT License
+
+    Copyright (c) Microsoft Corporation.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE
diff --git a/node_modules/@types/node/README.md b/node_modules/@types/node/README.md
new file mode 100644
index 000000000..0f725cc3a
--- /dev/null
+++ b/node_modules/@types/node/README.md
@@ -0,0 +1,16 @@
+# Installation
+> `npm install --save @types/node`
+
+# Summary
+This package contains type definitions for Node.js (https://nodejs.org/).
+
+# Details
+Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/node.
+
+### Additional Details
+ * Last updated: Sun, 25 Sep 2022 12:03:05 GMT
+ * Dependencies: none
+ * Global values: `AbortController`, `AbortSignal`, `__dirname`, `__filename`, `console`, `exports`, `gc`, `global`, `module`, `process`, `require`, `structuredClone`
+
+# Credits
+These definitions were written by [Microsoft TypeScript](https://github.com/Microsoft), [DefinitelyTyped](https://github.com/DefinitelyTyped), [Alberto Schiabel](https://github.com/jkomyno), [Alvis HT Tang](https://github.com/alvis), [Andrew Makarov](https://github.com/r3nya), [Benjamin Toueg](https://github.com/btoueg), [Chigozirim C.](https://github.com/smac89), [David Junger](https://github.com/touffy), [Deividas Bakanas](https://github.com/DeividasBakanas), [Eugene Y. Q. Shen](https://github.com/eyqs), [Hannes Magnusson](https://github.com/Hannes-Magnusson-CK), [Huw](https://github.com/hoo29), [Kelvin Jin](https://github.com/kjin), [Klaus Meinhardt](https://github.com/ajafff), [Lishude](https://github.com/islishude), [Mariusz Wiktorczyk](https://github.com/mwiktorczyk), [Mohsen Azimi](https://github.com/mohsen1), [Nicolas Even](https://github.com/n-e), [Nikita Galkin](https://github.com/galkin), [Parambir Singh](https://github.com/parambirs), [Sebastian Silbermann](https://github.com/eps1lon), [Simon Schick](https://github.com/SimonSchick), [Thomas den Hollander](https://github.com/ThomasdenH), [Wilco Bakker](https://github.com/WilcoBakker), [wwwy3y3](https://github.com/wwwy3y3), [Samuel Ainsworth](https://github.com/samuela), [Kyle Uehlein](https://github.com/kuehlein), [Thanik Bhongbhibhat](https://github.com/bhongy), [Marcin Kopacz](https://github.com/chyzwar), [Trivikram Kamat](https://github.com/trivikr), [Junxiao Shi](https://github.com/yoursunny), [Ilia Baryshnikov](https://github.com/qwelias), [ExE Boss](https://github.com/ExE-Boss), [Piotr Błażejewicz](https://github.com/peterblazejewicz), [Anna Henningsen](https://github.com/addaleax), [Victor Perin](https://github.com/victorperin), [Yongsheng Zhang](https://github.com/ZYSzys), [NodeJS Contributors](https://github.com/NodeJS), [Linus Unnebäck](https://github.com/LinusU), [wafuwafu13](https://github.com/wafuwafu13), and [Matteo Collina](https://github.com/mcollina).
diff --git a/node_modules/@types/node/assert.d.ts b/node_modules/@types/node/assert.d.ts
new file mode 100644
index 000000000..8e02a66a0
--- /dev/null
+++ b/node_modules/@types/node/assert.d.ts
@@ -0,0 +1,911 @@
+/**
+ * The `assert` module provides a set of assertion functions for verifying
+ * invariants.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/assert.js)
+ */
+declare module 'assert' {
+    /**
+     * An alias of {@link ok}.
+     * @since v0.5.9
+     * @param value The input that is checked for being truthy.
+     */
+    function assert(value: unknown, message?: string | Error): asserts value;
+    namespace assert {
+        /**
+         * Indicates the failure of an assertion. All errors thrown by the `assert` module
+         * will be instances of the `AssertionError` class.
+         */
+        class AssertionError extends Error {
+            actual: unknown;
+            expected: unknown;
+            operator: string;
+            generatedMessage: boolean;
+            code: 'ERR_ASSERTION';
+            constructor(options?: {
+                /** If provided, the error message is set to this value. */
+                message?: string | undefined;
+                /** The `actual` property on the error instance. */
+                actual?: unknown | undefined;
+                /** The `expected` property on the error instance. */
+                expected?: unknown | undefined;
+                /** The `operator` property on the error instance. */
+                operator?: string | undefined;
+                /** If provided, the generated stack trace omits frames before this function. */
+                // tslint:disable-next-line:ban-types
+                stackStartFn?: Function | undefined;
+            });
+        }
+        /**
+         * This feature is currently experimental and behavior might still change.
+         * @since v14.2.0, v12.19.0
+         * @experimental
+         */
+        class CallTracker {
+            /**
+             * The wrapper function is expected to be called exactly `exact` times. If the
+             * function has not been called exactly `exact` times when `tracker.verify()` is called, then `tracker.verify()` will throw an
+             * error.
+             *
+             * ```js
+             * import assert from 'assert';
+             *
+             * // Creates call tracker.
+             * const tracker = new assert.CallTracker();
+             *
+             * function func() {}
+             *
+             * // Returns a function that wraps func() that must be called exact times
+             * // before tracker.verify().
+             * const callsfunc = tracker.calls(func);
+             * ```
+             * @since v14.2.0, v12.19.0
+             * @param [fn='A no-op function']
+             * @param [exact=1]
+             * @return that wraps `fn`.
+             */
+            calls(exact?: number): () => void;
+            calls<Func extends (...args: any[]) => any>(fn?: Func, exact?: number): Func;
+            /**
+             * The arrays contains information about the expected and actual number of calls of
+             * the functions that have not been called the expected number of times.
+             *
+             * ```js
+             * import assert from 'assert';
+             *
+             * // Creates call tracker.
+             * const tracker = new assert.CallTracker();
+             *
+             * function func() {}
+             *
+             * function foo() {}
+             *
+             * // Returns a function that wraps func() that must be called exact times
+             * // before tracker.verify().
+             * const callsfunc = tracker.calls(func, 2);
+             *
+             * // Returns an array containing information on callsfunc()
+             * tracker.report();
+             * // [
+             * //  {
+             * //    message: 'Expected the func function to be executed 2 time(s) but was
+             * //    executed 0 time(s).',
+             * //    actual: 0,
+             * //    expected: 2,
+             * //    operator: 'func',
+             * //    stack: stack trace
+             * //  }
+             * // ]
+             * ```
+             * @since v14.2.0, v12.19.0
+             * @return of objects containing information about the wrapper functions returned by `calls`.
+             */
+            report(): CallTrackerReportInformation[];
+            /**
+             * Iterates through the list of functions passed to `tracker.calls()` and will throw an error for functions that
+             * have not been called the expected number of times.
+             *
+             * ```js
+             * import assert from 'assert';
+             *
+             * // Creates call tracker.
+             * const tracker = new assert.CallTracker();
+             *
+             * function func() {}
+             *
+             * // Returns a function that wraps func() that must be called exact times
+             * // before tracker.verify().
+             * const callsfunc = tracker.calls(func, 2);
+             *
+             * callsfunc();
+             *
+             * // Will throw an error since callsfunc() was only called once.
+             * tracker.verify();
+             * ```
+             * @since v14.2.0, v12.19.0
+             */
+            verify(): void;
+        }
+        interface CallTrackerReportInformation {
+            message: string;
+            /** The actual number of times the function was called. */
+            actual: number;
+            /** The number of times the function was expected to be called. */
+            expected: number;
+            /** The name of the function that is wrapped. */
+            operator: string;
+            /** A stack trace of the function. */
+            stack: object;
+        }
+        type AssertPredicate = RegExp | (new () => object) | ((thrown: unknown) => boolean) | object | Error;
+        /**
+         * Throws an `AssertionError` with the provided error message or a default
+         * error message. If the `message` parameter is an instance of an `Error` then
+         * it will be thrown instead of the `AssertionError`.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.fail();
+         * // AssertionError [ERR_ASSERTION]: Failed
+         *
+         * assert.fail('boom');
+         * // AssertionError [ERR_ASSERTION]: boom
+         *
+         * assert.fail(new TypeError('need array'));
+         * // TypeError: need array
+         * ```
+         *
+         * Using `assert.fail()` with more than two arguments is possible but deprecated.
+         * See below for further details.
+         * @since v0.1.21
+         * @param [message='Failed']
+         */
+        function fail(message?: string | Error): never;
+        /** @deprecated since v10.0.0 - use fail([message]) or other assert functions instead. */
+        function fail(
+            actual: unknown,
+            expected: unknown,
+            message?: string | Error,
+            operator?: string,
+            // tslint:disable-next-line:ban-types
+            stackStartFn?: Function
+        ): never;
+        /**
+         * Tests if `value` is truthy. It is equivalent to`assert.equal(!!value, true, message)`.
+         *
+         * If `value` is not truthy, an `AssertionError` is thrown with a `message`property set equal to the value of the `message` parameter. If the `message`parameter is `undefined`, a default
+         * error message is assigned. If the `message`parameter is an instance of an `Error` then it will be thrown instead of the`AssertionError`.
+         * If no arguments are passed in at all `message` will be set to the string:`` 'No value argument passed to `assert.ok()`' ``.
+         *
+         * Be aware that in the `repl` the error message will be different to the one
+         * thrown in a file! See below for further details.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.ok(true);
+         * // OK
+         * assert.ok(1);
+         * // OK
+         *
+         * assert.ok();
+         * // AssertionError: No value argument passed to `assert.ok()`
+         *
+         * assert.ok(false, 'it\'s false');
+         * // AssertionError: it's false
+         *
+         * // In the repl:
+         * assert.ok(typeof 123 === 'string');
+         * // AssertionError: false == true
+         *
+         * // In a file (e.g. test.js):
+         * assert.ok(typeof 123 === 'string');
+         * // AssertionError: The expression evaluated to a falsy value:
+         * //
+         * //   assert.ok(typeof 123 === 'string')
+         *
+         * assert.ok(false);
+         * // AssertionError: The expression evaluated to a falsy value:
+         * //
+         * //   assert.ok(false)
+         *
+         * assert.ok(0);
+         * // AssertionError: The expression evaluated to a falsy value:
+         * //
+         * //   assert.ok(0)
+         * ```
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * // Using `assert()` works the same:
+         * assert(0);
+         * // AssertionError: The expression evaluated to a falsy value:
+         * //
+         * //   assert(0)
+         * ```
+         * @since v0.1.21
+         */
+        function ok(value: unknown, message?: string | Error): asserts value;
+        /**
+         * **Strict assertion mode**
+         *
+         * An alias of {@link strictEqual}.
+         *
+         * **Legacy assertion mode**
+         *
+         * > Stability: 3 - Legacy: Use {@link strictEqual} instead.
+         *
+         * Tests shallow, coercive equality between the `actual` and `expected` parameters
+         * using the [`==` operator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Equality). `NaN` is specially handled
+         * and treated as being identical if both sides are `NaN`.
+         *
+         * ```js
+         * import assert from 'assert';
+         *
+         * assert.equal(1, 1);
+         * // OK, 1 == 1
+         * assert.equal(1, '1');
+         * // OK, 1 == '1'
+         * assert.equal(NaN, NaN);
+         * // OK
+         *
+         * assert.equal(1, 2);
+         * // AssertionError: 1 == 2
+         * assert.equal({ a: { b: 1 } }, { a: { b: 1 } });
+         * // AssertionError: { a: { b: 1 } } == { a: { b: 1 } }
+         * ```
+         *
+         * If the values are not equal, an `AssertionError` is thrown with a `message`property set equal to the value of the `message` parameter. If the `message`parameter is undefined, a default
+         * error message is assigned. If the `message`parameter is an instance of an `Error` then it will be thrown instead of the`AssertionError`.
+         * @since v0.1.21
+         */
+        function equal(actual: unknown, expected: unknown, message?: string | Error): void;
+        /**
+         * **Strict assertion mode**
+         *
+         * An alias of {@link notStrictEqual}.
+         *
+         * **Legacy assertion mode**
+         *
+         * > Stability: 3 - Legacy: Use {@link notStrictEqual} instead.
+         *
+         * Tests shallow, coercive inequality with the [`!=` operator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Inequality). `NaN` is
+         * specially handled and treated as being identical if both sides are `NaN`.
+         *
+         * ```js
+         * import assert from 'assert';
+         *
+         * assert.notEqual(1, 2);
+         * // OK
+         *
+         * assert.notEqual(1, 1);
+         * // AssertionError: 1 != 1
+         *
+         * assert.notEqual(1, '1');
+         * // AssertionError: 1 != '1'
+         * ```
+         *
+         * If the values are equal, an `AssertionError` is thrown with a `message`property set equal to the value of the `message` parameter. If the `message`parameter is undefined, a default error
+         * message is assigned. If the `message`parameter is an instance of an `Error` then it will be thrown instead of the`AssertionError`.
+         * @since v0.1.21
+         */
+        function notEqual(actual: unknown, expected: unknown, message?: string | Error): void;
+        /**
+         * **Strict assertion mode**
+         *
+         * An alias of {@link deepStrictEqual}.
+         *
+         * **Legacy assertion mode**
+         *
+         * > Stability: 3 - Legacy: Use {@link deepStrictEqual} instead.
+         *
+         * Tests for deep equality between the `actual` and `expected` parameters. Consider
+         * using {@link deepStrictEqual} instead. {@link deepEqual} can have
+         * surprising results.
+         *
+         * _Deep equality_ means that the enumerable "own" properties of child objects
+         * are also recursively evaluated by the following rules.
+         * @since v0.1.21
+         */
+        function deepEqual(actual: unknown, expected: unknown, message?: string | Error): void;
+        /**
+         * **Strict assertion mode**
+         *
+         * An alias of {@link notDeepStrictEqual}.
+         *
+         * **Legacy assertion mode**
+         *
+         * > Stability: 3 - Legacy: Use {@link notDeepStrictEqual} instead.
+         *
+         * Tests for any deep inequality. Opposite of {@link deepEqual}.
+         *
+         * ```js
+         * import assert from 'assert';
+         *
+         * const obj1 = {
+         *   a: {
+         *     b: 1
+         *   }
+         * };
+         * const obj2 = {
+         *   a: {
+         *     b: 2
+         *   }
+         * };
+         * const obj3 = {
+         *   a: {
+         *     b: 1
+         *   }
+         * };
+         * const obj4 = Object.create(obj1);
+         *
+         * assert.notDeepEqual(obj1, obj1);
+         * // AssertionError: { a: { b: 1 } } notDeepEqual { a: { b: 1 } }
+         *
+         * assert.notDeepEqual(obj1, obj2);
+         * // OK
+         *
+         * assert.notDeepEqual(obj1, obj3);
+         * // AssertionError: { a: { b: 1 } } notDeepEqual { a: { b: 1 } }
+         *
+         * assert.notDeepEqual(obj1, obj4);
+         * // OK
+         * ```
+         *
+         * If the values are deeply equal, an `AssertionError` is thrown with a`message` property set equal to the value of the `message` parameter. If the`message` parameter is undefined, a default
+         * error message is assigned. If the`message` parameter is an instance of an `Error` then it will be thrown
+         * instead of the `AssertionError`.
+         * @since v0.1.21
+         */
+        function notDeepEqual(actual: unknown, expected: unknown, message?: string | Error): void;
+        /**
+         * Tests strict equality between the `actual` and `expected` parameters as
+         * determined by [`Object.is()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is).
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.strictEqual(1, 2);
+         * // AssertionError [ERR_ASSERTION]: Expected inputs to be strictly equal:
+         * //
+         * // 1 !== 2
+         *
+         * assert.strictEqual(1, 1);
+         * // OK
+         *
+         * assert.strictEqual('Hello foobar', 'Hello World!');
+         * // AssertionError [ERR_ASSERTION]: Expected inputs to be strictly equal:
+         * // + actual - expected
+         * //
+         * // + 'Hello foobar'
+         * // - 'Hello World!'
+         * //          ^
+         *
+         * const apples = 1;
+         * const oranges = 2;
+         * assert.strictEqual(apples, oranges, `apples ${apples} !== oranges ${oranges}`);
+         * // AssertionError [ERR_ASSERTION]: apples 1 !== oranges 2
+         *
+         * assert.strictEqual(1, '1', new TypeError('Inputs are not identical'));
+         * // TypeError: Inputs are not identical
+         * ```
+         *
+         * If the values are not strictly equal, an `AssertionError` is thrown with a`message` property set equal to the value of the `message` parameter. If the`message` parameter is undefined, a
+         * default error message is assigned. If the`message` parameter is an instance of an `Error` then it will be thrown
+         * instead of the `AssertionError`.
+         * @since v0.1.21
+         */
+        function strictEqual<T>(actual: unknown, expected: T, message?: string | Error): asserts actual is T;
+        /**
+         * Tests strict inequality between the `actual` and `expected` parameters as
+         * determined by [`Object.is()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is).
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.notStrictEqual(1, 2);
+         * // OK
+         *
+         * assert.notStrictEqual(1, 1);
+         * // AssertionError [ERR_ASSERTION]: Expected "actual" to be strictly unequal to:
+         * //
+         * // 1
+         *
+         * assert.notStrictEqual(1, '1');
+         * // OK
+         * ```
+         *
+         * If the values are strictly equal, an `AssertionError` is thrown with a`message` property set equal to the value of the `message` parameter. If the`message` parameter is undefined, a
+         * default error message is assigned. If the`message` parameter is an instance of an `Error` then it will be thrown
+         * instead of the `AssertionError`.
+         * @since v0.1.21
+         */
+        function notStrictEqual(actual: unknown, expected: unknown, message?: string | Error): void;
+        /**
+         * Tests for deep equality between the `actual` and `expected` parameters.
+         * "Deep" equality means that the enumerable "own" properties of child objects
+         * are recursively evaluated also by the following rules.
+         * @since v1.2.0
+         */
+        function deepStrictEqual<T>(actual: unknown, expected: T, message?: string | Error): asserts actual is T;
+        /**
+         * Tests for deep strict inequality. Opposite of {@link deepStrictEqual}.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.notDeepStrictEqual({ a: 1 }, { a: '1' });
+         * // OK
+         * ```
+         *
+         * If the values are deeply and strictly equal, an `AssertionError` is thrown
+         * with a `message` property set equal to the value of the `message` parameter. If
+         * the `message` parameter is undefined, a default error message is assigned. If
+         * the `message` parameter is an instance of an `Error` then it will be thrown
+         * instead of the `AssertionError`.
+         * @since v1.2.0
+         */
+        function notDeepStrictEqual(actual: unknown, expected: unknown, message?: string | Error): void;
+        /**
+         * Expects the function `fn` to throw an error.
+         *
+         * If specified, `error` can be a [`Class`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes),
+         * [`RegExp`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions), a validation function,
+         * a validation object where each property will be tested for strict deep equality,
+         * or an instance of error where each property will be tested for strict deep
+         * equality including the non-enumerable `message` and `name` properties. When
+         * using an object, it is also possible to use a regular expression, when
+         * validating against a string property. See below for examples.
+         *
+         * If specified, `message` will be appended to the message provided by the`AssertionError` if the `fn` call fails to throw or in case the error validation
+         * fails.
+         *
+         * Custom validation object/error instance:
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * const err = new TypeError('Wrong value');
+         * err.code = 404;
+         * err.foo = 'bar';
+         * err.info = {
+         *   nested: true,
+         *   baz: 'text'
+         * };
+         * err.reg = /abc/i;
+         *
+         * assert.throws(
+         *   () => {
+         *     throw err;
+         *   },
+         *   {
+         *     name: 'TypeError',
+         *     message: 'Wrong value',
+         *     info: {
+         *       nested: true,
+         *       baz: 'text'
+         *     }
+         *     // Only properties on the validation object will be tested for.
+         *     // Using nested objects requires all properties to be present. Otherwise
+         *     // the validation is going to fail.
+         *   }
+         * );
+         *
+         * // Using regular expressions to validate error properties:
+         * throws(
+         *   () => {
+         *     throw err;
+         *   },
+         *   {
+         *     // The `name` and `message` properties are strings and using regular
+         *     // expressions on those will match against the string. If they fail, an
+         *     // error is thrown.
+         *     name: /^TypeError$/,
+         *     message: /Wrong/,
+         *     foo: 'bar',
+         *     info: {
+         *       nested: true,
+         *       // It is not possible to use regular expressions for nested properties!
+         *       baz: 'text'
+         *     },
+         *     // The `reg` property contains a regular expression and only if the
+         *     // validation object contains an identical regular expression, it is going
+         *     // to pass.
+         *     reg: /abc/i
+         *   }
+         * );
+         *
+         * // Fails due to the different `message` and `name` properties:
+         * throws(
+         *   () => {
+         *     const otherErr = new Error('Not found');
+         *     // Copy all enumerable properties from `err` to `otherErr`.
+         *     for (const [key, value] of Object.entries(err)) {
+         *       otherErr[key] = value;
+         *     }
+         *     throw otherErr;
+         *   },
+         *   // The error's `message` and `name` properties will also be checked when using
+         *   // an error as validation object.
+         *   err
+         * );
+         * ```
+         *
+         * Validate instanceof using constructor:
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.throws(
+         *   () => {
+         *     throw new Error('Wrong value');
+         *   },
+         *   Error
+         * );
+         * ```
+         *
+         * Validate error message using [`RegExp`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions):
+         *
+         * Using a regular expression runs `.toString` on the error object, and will
+         * therefore also include the error name.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.throws(
+         *   () => {
+         *     throw new Error('Wrong value');
+         *   },
+         *   /^Error: Wrong value$/
+         * );
+         * ```
+         *
+         * Custom error validation:
+         *
+         * The function must return `true` to indicate all internal validations passed.
+         * It will otherwise fail with an `AssertionError`.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.throws(
+         *   () => {
+         *     throw new Error('Wrong value');
+         *   },
+         *   (err) => {
+         *     assert(err instanceof Error);
+         *     assert(/value/.test(err));
+         *     // Avoid returning anything from validation functions besides `true`.
+         *     // Otherwise, it's not clear what part of the validation failed. Instead,
+         *     // throw an error about the specific validation that failed (as done in this
+         *     // example) and add as much helpful debugging information to that error as
+         *     // possible.
+         *     return true;
+         *   },
+         *   'unexpected error'
+         * );
+         * ```
+         *
+         * `error` cannot be a string. If a string is provided as the second
+         * argument, then `error` is assumed to be omitted and the string will be used for`message` instead. This can lead to easy-to-miss mistakes. Using the same
+         * message as the thrown error message is going to result in an`ERR_AMBIGUOUS_ARGUMENT` error. Please read the example below carefully if using
+         * a string as the second argument gets considered:
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * function throwingFirst() {
+         *   throw new Error('First');
+         * }
+         *
+         * function throwingSecond() {
+         *   throw new Error('Second');
+         * }
+         *
+         * function notThrowing() {}
+         *
+         * // The second argument is a string and the input function threw an Error.
+         * // The first case will not throw as it does not match for the error message
+         * // thrown by the input function!
+         * assert.throws(throwingFirst, 'Second');
+         * // In the next example the message has no benefit over the message from the
+         * // error and since it is not clear if the user intended to actually match
+         * // against the error message, Node.js throws an `ERR_AMBIGUOUS_ARGUMENT` error.
+         * assert.throws(throwingSecond, 'Second');
+         * // TypeError [ERR_AMBIGUOUS_ARGUMENT]
+         *
+         * // The string is only used (as message) in case the function does not throw:
+         * assert.throws(notThrowing, 'Second');
+         * // AssertionError [ERR_ASSERTION]: Missing expected exception: Second
+         *
+         * // If it was intended to match for the error message do this instead:
+         * // It does not throw because the error messages match.
+         * assert.throws(throwingSecond, /Second$/);
+         *
+         * // If the error message does not match, an AssertionError is thrown.
+         * assert.throws(throwingFirst, /Second$/);
+         * // AssertionError [ERR_ASSERTION]
+         * ```
+         *
+         * Due to the confusing error-prone notation, avoid a string as the second
+         * argument.
+         * @since v0.1.21
+         */
+        function throws(block: () => unknown, message?: string | Error): void;
+        function throws(block: () => unknown, error: AssertPredicate, message?: string | Error): void;
+        /**
+         * Asserts that the function `fn` does not throw an error.
+         *
+         * Using `assert.doesNotThrow()` is actually not useful because there
+         * is no benefit in catching an error and then rethrowing it. Instead, consider
+         * adding a comment next to the specific code path that should not throw and keep
+         * error messages as expressive as possible.
+         *
+         * When `assert.doesNotThrow()` is called, it will immediately call the `fn`function.
+         *
+         * If an error is thrown and it is the same type as that specified by the `error`parameter, then an `AssertionError` is thrown. If the error is of a
+         * different type, or if the `error` parameter is undefined, the error is
+         * propagated back to the caller.
+         *
+         * If specified, `error` can be a [`Class`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes),
+         * [`RegExp`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions) or a validation
+         * function. See {@link throws} for more details.
+         *
+         * The following, for instance, will throw the `TypeError` because there is no
+         * matching error type in the assertion:
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.doesNotThrow(
+         *   () => {
+         *     throw new TypeError('Wrong value');
+         *   },
+         *   SyntaxError
+         * );
+         * ```
+         *
+         * However, the following will result in an `AssertionError` with the message
+         * 'Got unwanted exception...':
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.doesNotThrow(
+         *   () => {
+         *     throw new TypeError('Wrong value');
+         *   },
+         *   TypeError
+         * );
+         * ```
+         *
+         * If an `AssertionError` is thrown and a value is provided for the `message`parameter, the value of `message` will be appended to the `AssertionError` message:
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.doesNotThrow(
+         *   () => {
+         *     throw new TypeError('Wrong value');
+         *   },
+         *   /Wrong value/,
+         *   'Whoops'
+         * );
+         * // Throws: AssertionError: Got unwanted exception: Whoops
+         * ```
+         * @since v0.1.21
+         */
+        function doesNotThrow(block: () => unknown, message?: string | Error): void;
+        function doesNotThrow(block: () => unknown, error: AssertPredicate, message?: string | Error): void;
+        /**
+         * Throws `value` if `value` is not `undefined` or `null`. This is useful when
+         * testing the `error` argument in callbacks. The stack trace contains all frames
+         * from the error passed to `ifError()` including the potential new frames for`ifError()` itself.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.ifError(null);
+         * // OK
+         * assert.ifError(0);
+         * // AssertionError [ERR_ASSERTION]: ifError got unwanted exception: 0
+         * assert.ifError('error');
+         * // AssertionError [ERR_ASSERTION]: ifError got unwanted exception: 'error'
+         * assert.ifError(new Error());
+         * // AssertionError [ERR_ASSERTION]: ifError got unwanted exception: Error
+         *
+         * // Create some random error frames.
+         * let err;
+         * (function errorFrame() {
+         *   err = new Error('test error');
+         * })();
+         *
+         * (function ifErrorFrame() {
+         *   assert.ifError(err);
+         * })();
+         * // AssertionError [ERR_ASSERTION]: ifError got unwanted exception: test error
+         * //     at ifErrorFrame
+         * //     at errorFrame
+         * ```
+         * @since v0.1.97
+         */
+        function ifError(value: unknown): asserts value is null | undefined;
+        /**
+         * Awaits the `asyncFn` promise or, if `asyncFn` is a function, immediately
+         * calls the function and awaits the returned promise to complete. It will then
+         * check that the promise is rejected.
+         *
+         * If `asyncFn` is a function and it throws an error synchronously,`assert.rejects()` will return a rejected `Promise` with that error. If the
+         * function does not return a promise, `assert.rejects()` will return a rejected`Promise` with an `ERR_INVALID_RETURN_VALUE` error. In both cases the error
+         * handler is skipped.
+         *
+         * Besides the async nature to await the completion behaves identically to {@link throws}.
+         *
+         * If specified, `error` can be a [`Class`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes),
+         * [`RegExp`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions), a validation function,
+         * an object where each property will be tested for, or an instance of error where
+         * each property will be tested for including the non-enumerable `message` and`name` properties.
+         *
+         * If specified, `message` will be the message provided by the `AssertionError` if the `asyncFn` fails to reject.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * await assert.rejects(
+         *   async () => {
+         *     throw new TypeError('Wrong value');
+         *   },
+         *   {
+         *     name: 'TypeError',
+         *     message: 'Wrong value'
+         *   }
+         * );
+         * ```
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * await assert.rejects(
+         *   async () => {
+         *     throw new TypeError('Wrong value');
+         *   },
+         *   (err) => {
+         *     assert.strictEqual(err.name, 'TypeError');
+         *     assert.strictEqual(err.message, 'Wrong value');
+         *     return true;
+         *   }
+         * );
+         * ```
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.rejects(
+         *   Promise.reject(new Error('Wrong value')),
+         *   Error
+         * ).then(() => {
+         *   // ...
+         * });
+         * ```
+         *
+         * `error` cannot be a string. If a string is provided as the second
+         * argument, then `error` is assumed to be omitted and the string will be used for`message` instead. This can lead to easy-to-miss mistakes. Please read the
+         * example in {@link throws} carefully if using a string as the second
+         * argument gets considered.
+         * @since v10.0.0
+         */
+        function rejects(block: (() => Promise<unknown>) | Promise<unknown>, message?: string | Error): Promise<void>;
+        function rejects(block: (() => Promise<unknown>) | Promise<unknown>, error: AssertPredicate, message?: string | Error): Promise<void>;
+        /**
+         * Awaits the `asyncFn` promise or, if `asyncFn` is a function, immediately
+         * calls the function and awaits the returned promise to complete. It will then
+         * check that the promise is not rejected.
+         *
+         * If `asyncFn` is a function and it throws an error synchronously,`assert.doesNotReject()` will return a rejected `Promise` with that error. If
+         * the function does not return a promise, `assert.doesNotReject()` will return a
+         * rejected `Promise` with an `ERR_INVALID_RETURN_VALUE` error. In both cases
+         * the error handler is skipped.
+         *
+         * Using `assert.doesNotReject()` is actually not useful because there is little
+         * benefit in catching a rejection and then rejecting it again. Instead, consider
+         * adding a comment next to the specific code path that should not reject and keep
+         * error messages as expressive as possible.
+         *
+         * If specified, `error` can be a [`Class`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes),
+         * [`RegExp`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions) or a validation
+         * function. See {@link throws} for more details.
+         *
+         * Besides the async nature to await the completion behaves identically to {@link doesNotThrow}.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * await assert.doesNotReject(
+         *   async () => {
+         *     throw new TypeError('Wrong value');
+         *   },
+         *   SyntaxError
+         * );
+         * ```
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.doesNotReject(Promise.reject(new TypeError('Wrong value')))
+         *   .then(() => {
+         *     // ...
+         *   });
+         * ```
+         * @since v10.0.0
+         */
+        function doesNotReject(block: (() => Promise<unknown>) | Promise<unknown>, message?: string | Error): Promise<void>;
+        function doesNotReject(block: (() => Promise<unknown>) | Promise<unknown>, error: AssertPredicate, message?: string | Error): Promise<void>;
+        /**
+         * Expects the `string` input to match the regular expression.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.match('I will fail', /pass/);
+         * // AssertionError [ERR_ASSERTION]: The input did not match the regular ...
+         *
+         * assert.match(123, /pass/);
+         * // AssertionError [ERR_ASSERTION]: The "string" argument must be of type string.
+         *
+         * assert.match('I will pass', /pass/);
+         * // OK
+         * ```
+         *
+         * If the values do not match, or if the `string` argument is of another type than`string`, an `AssertionError` is thrown with a `message` property set equal
+         * to the value of the `message` parameter. If the `message` parameter is
+         * undefined, a default error message is assigned. If the `message` parameter is an
+         * instance of an `Error` then it will be thrown instead of the `AssertionError`.
+         * @since v13.6.0, v12.16.0
+         */
+        function match(value: string, regExp: RegExp, message?: string | Error): void;
+        /**
+         * Expects the `string` input not to match the regular expression.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.doesNotMatch('I will fail', /fail/);
+         * // AssertionError [ERR_ASSERTION]: The input was expected to not match the ...
+         *
+         * assert.doesNotMatch(123, /pass/);
+         * // AssertionError [ERR_ASSERTION]: The "string" argument must be of type string.
+         *
+         * assert.doesNotMatch('I will pass', /different/);
+         * // OK
+         * ```
+         *
+         * If the values do match, or if the `string` argument is of another type than`string`, an `AssertionError` is thrown with a `message` property set equal
+         * to the value of the `message` parameter. If the `message` parameter is
+         * undefined, a default error message is assigned. If the `message` parameter is an
+         * instance of an `Error` then it will be thrown instead of the `AssertionError`.
+         * @since v13.6.0, v12.16.0
+         */
+        function doesNotMatch(value: string, regExp: RegExp, message?: string | Error): void;
+        const strict: Omit<typeof assert, 'equal' | 'notEqual' | 'deepEqual' | 'notDeepEqual' | 'ok' | 'strictEqual' | 'deepStrictEqual' | 'ifError' | 'strict'> & {
+            (value: unknown, message?: string | Error): asserts value;
+            equal: typeof strictEqual;
+            notEqual: typeof notStrictEqual;
+            deepEqual: typeof deepStrictEqual;
+            notDeepEqual: typeof notDeepStrictEqual;
+            // Mapped types and assertion functions are incompatible?
+            // TS2775: Assertions require every name in the call target
+            // to be declared with an explicit type annotation.
+            ok: typeof ok;
+            strictEqual: typeof strictEqual;
+            deepStrictEqual: typeof deepStrictEqual;
+            ifError: typeof ifError;
+            strict: typeof strict;
+        };
+    }
+    export = assert;
+}
+declare module 'node:assert' {
+    import assert = require('assert');
+    export = assert;
+}
diff --git a/node_modules/@types/node/assert/strict.d.ts b/node_modules/@types/node/assert/strict.d.ts
new file mode 100644
index 000000000..b4319b974
--- /dev/null
+++ b/node_modules/@types/node/assert/strict.d.ts
@@ -0,0 +1,8 @@
+declare module 'assert/strict' {
+    import { strict } from 'node:assert';
+    export = strict;
+}
+declare module 'node:assert/strict' {
+    import { strict } from 'node:assert';
+    export = strict;
+}
diff --git a/node_modules/@types/node/async_hooks.d.ts b/node_modules/@types/node/async_hooks.d.ts
new file mode 100644
index 000000000..0bf473965
--- /dev/null
+++ b/node_modules/@types/node/async_hooks.d.ts
@@ -0,0 +1,501 @@
+/**
+ * The `async_hooks` module provides an API to track asynchronous resources. It
+ * can be accessed using:
+ *
+ * ```js
+ * import async_hooks from 'async_hooks';
+ * ```
+ * @experimental
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/async_hooks.js)
+ */
+declare module 'async_hooks' {
+    /**
+     * ```js
+     * import { executionAsyncId } from 'async_hooks';
+     *
+     * console.log(executionAsyncId());  // 1 - bootstrap
+     * fs.open(path, 'r', (err, fd) => {
+     *   console.log(executionAsyncId());  // 6 - open()
+     * });
+     * ```
+     *
+     * The ID returned from `executionAsyncId()` is related to execution timing, not
+     * causality (which is covered by `triggerAsyncId()`):
+     *
+     * ```js
+     * const server = net.createServer((conn) => {
+     *   // Returns the ID of the server, not of the new connection, because the
+     *   // callback runs in the execution scope of the server's MakeCallback().
+     *   async_hooks.executionAsyncId();
+     *
+     * }).listen(port, () => {
+     *   // Returns the ID of a TickObject (process.nextTick()) because all
+     *   // callbacks passed to .listen() are wrapped in a nextTick().
+     *   async_hooks.executionAsyncId();
+     * });
+     * ```
+     *
+     * Promise contexts may not get precise `executionAsyncIds` by default.
+     * See the section on `promise execution tracking`.
+     * @since v8.1.0
+     * @return The `asyncId` of the current execution context. Useful to track when something calls.
+     */
+    function executionAsyncId(): number;
+    /**
+     * Resource objects returned by `executionAsyncResource()` are most often internal
+     * Node.js handle objects with undocumented APIs. Using any functions or properties
+     * on the object is likely to crash your application and should be avoided.
+     *
+     * Using `executionAsyncResource()` in the top-level execution context will
+     * return an empty object as there is no handle or request object to use,
+     * but having an object representing the top-level can be helpful.
+     *
+     * ```js
+     * import { open } from 'fs';
+     * import { executionAsyncId, executionAsyncResource } from 'async_hooks';
+     *
+     * console.log(executionAsyncId(), executionAsyncResource());  // 1 {}
+     * open(new URL(import.meta.url), 'r', (err, fd) => {
+     *   console.log(executionAsyncId(), executionAsyncResource());  // 7 FSReqWrap
+     * });
+     * ```
+     *
+     * This can be used to implement continuation local storage without the
+     * use of a tracking `Map` to store the metadata:
+     *
+     * ```js
+     * import { createServer } from 'http';
+     * import {
+     *   executionAsyncId,
+     *   executionAsyncResource,
+     *   createHook
+     * } from 'async_hooks';
+     * const sym = Symbol('state'); // Private symbol to avoid pollution
+     *
+     * createHook({
+     *   init(asyncId, type, triggerAsyncId, resource) {
+     *     const cr = executionAsyncResource();
+     *     if (cr) {
+     *       resource[sym] = cr[sym];
+     *     }
+     *   }
+     * }).enable();
+     *
+     * const server = createServer((req, res) => {
+     *   executionAsyncResource()[sym] = { state: req.url };
+     *   setTimeout(function() {
+     *     res.end(JSON.stringify(executionAsyncResource()[sym]));
+     *   }, 100);
+     * }).listen(3000);
+     * ```
+     * @since v13.9.0, v12.17.0
+     * @return The resource representing the current execution. Useful to store data within the resource.
+     */
+    function executionAsyncResource(): object;
+    /**
+     * ```js
+     * const server = net.createServer((conn) => {
+     *   // The resource that caused (or triggered) this callback to be called
+     *   // was that of the new connection. Thus the return value of triggerAsyncId()
+     *   // is the asyncId of "conn".
+     *   async_hooks.triggerAsyncId();
+     *
+     * }).listen(port, () => {
+     *   // Even though all callbacks passed to .listen() are wrapped in a nextTick()
+     *   // the callback itself exists because the call to the server's .listen()
+     *   // was made. So the return value would be the ID of the server.
+     *   async_hooks.triggerAsyncId();
+     * });
+     * ```
+     *
+     * Promise contexts may not get valid `triggerAsyncId`s by default. See
+     * the section on `promise execution tracking`.
+     * @return The ID of the resource responsible for calling the callback that is currently being executed.
+     */
+    function triggerAsyncId(): number;
+    interface HookCallbacks {
+        /**
+         * Called when a class is constructed that has the possibility to emit an asynchronous event.
+         * @param asyncId a unique ID for the async resource
+         * @param type the type of the async resource
+         * @param triggerAsyncId the unique ID of the async resource in whose execution context this async resource was created
+         * @param resource reference to the resource representing the async operation, needs to be released during destroy
+         */
+        init?(asyncId: number, type: string, triggerAsyncId: number, resource: object): void;
+        /**
+         * When an asynchronous operation is initiated or completes a callback is called to notify the user.
+         * The before callback is called just before said callback is executed.
+         * @param asyncId the unique identifier assigned to the resource about to execute the callback.
+         */
+        before?(asyncId: number): void;
+        /**
+         * Called immediately after the callback specified in before is completed.
+         * @param asyncId the unique identifier assigned to the resource which has executed the callback.
+         */
+        after?(asyncId: number): void;
+        /**
+         * Called when a promise has resolve() called. This may not be in the same execution id
+         * as the promise itself.
+         * @param asyncId the unique id for the promise that was resolve()d.
+         */
+        promiseResolve?(asyncId: number): void;
+        /**
+         * Called after the resource corresponding to asyncId is destroyed
+         * @param asyncId a unique ID for the async resource
+         */
+        destroy?(asyncId: number): void;
+    }
+    interface AsyncHook {
+        /**
+         * Enable the callbacks for a given AsyncHook instance. If no callbacks are provided enabling is a noop.
+         */
+        enable(): this;
+        /**
+         * Disable the callbacks for a given AsyncHook instance from the global pool of AsyncHook callbacks to be executed. Once a hook has been disabled it will not be called again until enabled.
+         */
+        disable(): this;
+    }
+    /**
+     * Registers functions to be called for different lifetime events of each async
+     * operation.
+     *
+     * The callbacks `init()`/`before()`/`after()`/`destroy()` are called for the
+     * respective asynchronous event during a resource's lifetime.
+     *
+     * All callbacks are optional. For example, if only resource cleanup needs to
+     * be tracked, then only the `destroy` callback needs to be passed. The
+     * specifics of all functions that can be passed to `callbacks` is in the `Hook Callbacks` section.
+     *
+     * ```js
+     * import { createHook } from 'async_hooks';
+     *
+     * const asyncHook = createHook({
+     *   init(asyncId, type, triggerAsyncId, resource) { },
+     *   destroy(asyncId) { }
+     * });
+     * ```
+     *
+     * The callbacks will be inherited via the prototype chain:
+     *
+     * ```js
+     * class MyAsyncCallbacks {
+     *   init(asyncId, type, triggerAsyncId, resource) { }
+     *   destroy(asyncId) {}
+     * }
+     *
+     * class MyAddedCallbacks extends MyAsyncCallbacks {
+     *   before(asyncId) { }
+     *   after(asyncId) { }
+     * }
+     *
+     * const asyncHook = async_hooks.createHook(new MyAddedCallbacks());
+     * ```
+     *
+     * Because promises are asynchronous resources whose lifecycle is tracked
+     * via the async hooks mechanism, the `init()`, `before()`, `after()`, and`destroy()` callbacks _must not_ be async functions that return promises.
+     * @since v8.1.0
+     * @param callbacks The `Hook Callbacks` to register
+     * @return Instance used for disabling and enabling hooks
+     */
+    function createHook(callbacks: HookCallbacks): AsyncHook;
+    interface AsyncResourceOptions {
+        /**
+         * The ID of the execution context that created this async event.
+         * @default executionAsyncId()
+         */
+        triggerAsyncId?: number | undefined;
+        /**
+         * Disables automatic `emitDestroy` when the object is garbage collected.
+         * This usually does not need to be set (even if `emitDestroy` is called
+         * manually), unless the resource's `asyncId` is retrieved and the
+         * sensitive API's `emitDestroy` is called with it.
+         * @default false
+         */
+        requireManualDestroy?: boolean | undefined;
+    }
+    /**
+     * The class `AsyncResource` is designed to be extended by the embedder's async
+     * resources. Using this, users can easily trigger the lifetime events of their
+     * own resources.
+     *
+     * The `init` hook will trigger when an `AsyncResource` is instantiated.
+     *
+     * The following is an overview of the `AsyncResource` API.
+     *
+     * ```js
+     * import { AsyncResource, executionAsyncId } from 'async_hooks';
+     *
+     * // AsyncResource() is meant to be extended. Instantiating a
+     * // new AsyncResource() also triggers init. If triggerAsyncId is omitted then
+     * // async_hook.executionAsyncId() is used.
+     * const asyncResource = new AsyncResource(
+     *   type, { triggerAsyncId: executionAsyncId(), requireManualDestroy: false }
+     * );
+     *
+     * // Run a function in the execution context of the resource. This will
+     * // * establish the context of the resource
+     * // * trigger the AsyncHooks before callbacks
+     * // * call the provided function `fn` with the supplied arguments
+     * // * trigger the AsyncHooks after callbacks
+     * // * restore the original execution context
+     * asyncResource.runInAsyncScope(fn, thisArg, ...args);
+     *
+     * // Call AsyncHooks destroy callbacks.
+     * asyncResource.emitDestroy();
+     *
+     * // Return the unique ID assigned to the AsyncResource instance.
+     * asyncResource.asyncId();
+     *
+     * // Return the trigger ID for the AsyncResource instance.
+     * asyncResource.triggerAsyncId();
+     * ```
+     */
+    class AsyncResource {
+        /**
+         * AsyncResource() is meant to be extended. Instantiating a
+         * new AsyncResource() also triggers init. If triggerAsyncId is omitted then
+         * async_hook.executionAsyncId() is used.
+         * @param type The type of async event.
+         * @param triggerAsyncId The ID of the execution context that created
+         *   this async event (default: `executionAsyncId()`), or an
+         *   AsyncResourceOptions object (since v9.3.0)
+         */
+        constructor(type: string, triggerAsyncId?: number | AsyncResourceOptions);
+        /**
+         * Binds the given function to the current execution context.
+         *
+         * The returned function will have an `asyncResource` property referencing
+         * the `AsyncResource` to which the function is bound.
+         * @since v14.8.0, v12.19.0
+         * @param fn The function to bind to the current execution context.
+         * @param type An optional name to associate with the underlying `AsyncResource`.
+         */
+        static bind<Func extends (this: ThisArg, ...args: any[]) => any, ThisArg>(
+            fn: Func,
+            type?: string,
+            thisArg?: ThisArg
+        ): Func & {
+            asyncResource: AsyncResource;
+        };
+        /**
+         * Binds the given function to execute to this `AsyncResource`'s scope.
+         *
+         * The returned function will have an `asyncResource` property referencing
+         * the `AsyncResource` to which the function is bound.
+         * @since v14.8.0, v12.19.0
+         * @param fn The function to bind to the current `AsyncResource`.
+         */
+        bind<Func extends (...args: any[]) => any>(
+            fn: Func
+        ): Func & {
+            asyncResource: AsyncResource;
+        };
+        /**
+         * Call the provided function with the provided arguments in the execution context
+         * of the async resource. This will establish the context, trigger the AsyncHooks
+         * before callbacks, call the function, trigger the AsyncHooks after callbacks, and
+         * then restore the original execution context.
+         * @since v9.6.0
+         * @param fn The function to call in the execution context of this async resource.
+         * @param thisArg The receiver to be used for the function call.
+         * @param args Optional arguments to pass to the function.
+         */
+        runInAsyncScope<This, Result>(fn: (this: This, ...args: any[]) => Result, thisArg?: This, ...args: any[]): Result;
+        /**
+         * Call all `destroy` hooks. This should only ever be called once. An error will
+         * be thrown if it is called more than once. This **must** be manually called. If
+         * the resource is left to be collected by the GC then the `destroy` hooks will
+         * never be called.
+         * @return A reference to `asyncResource`.
+         */
+        emitDestroy(): this;
+        /**
+         * @return The unique `asyncId` assigned to the resource.
+         */
+        asyncId(): number;
+        /**
+         *
+         * @return The same `triggerAsyncId` that is passed to the `AsyncResource` constructor.
+         */
+        triggerAsyncId(): number;
+    }
+    /**
+     * This class creates stores that stay coherent through asynchronous operations.
+     *
+     * While you can create your own implementation on top of the `async_hooks` module,`AsyncLocalStorage` should be preferred as it is a performant and memory safe
+     * implementation that involves significant optimizations that are non-obvious to
+     * implement.
+     *
+     * The following example uses `AsyncLocalStorage` to build a simple logger
+     * that assigns IDs to incoming HTTP requests and includes them in messages
+     * logged within each request.
+     *
+     * ```js
+     * import http from 'http';
+     * import { AsyncLocalStorage } from 'async_hooks';
+     *
+     * const asyncLocalStorage = new AsyncLocalStorage();
+     *
+     * function logWithId(msg) {
+     *   const id = asyncLocalStorage.getStore();
+     *   console.log(`${id !== undefined ? id : '-'}:`, msg);
+     * }
+     *
+     * let idSeq = 0;
+     * http.createServer((req, res) => {
+     *   asyncLocalStorage.run(idSeq++, () => {
+     *     logWithId('start');
+     *     // Imagine any chain of async operations here
+     *     setImmediate(() => {
+     *       logWithId('finish');
+     *       res.end();
+     *     });
+     *   });
+     * }).listen(8080);
+     *
+     * http.get('http://localhost:8080');
+     * http.get('http://localhost:8080');
+     * // Prints:
+     * //   0: start
+     * //   1: start
+     * //   0: finish
+     * //   1: finish
+     * ```
+     *
+     * Each instance of `AsyncLocalStorage` maintains an independent storage context.
+     * Multiple instances can safely exist simultaneously without risk of interfering
+     * with each other's data.
+     * @since v13.10.0, v12.17.0
+     */
+    class AsyncLocalStorage<T> {
+        /**
+         * Disables the instance of `AsyncLocalStorage`. All subsequent calls
+         * to `asyncLocalStorage.getStore()` will return `undefined` until`asyncLocalStorage.run()` or `asyncLocalStorage.enterWith()` is called again.
+         *
+         * When calling `asyncLocalStorage.disable()`, all current contexts linked to the
+         * instance will be exited.
+         *
+         * Calling `asyncLocalStorage.disable()` is required before the`asyncLocalStorage` can be garbage collected. This does not apply to stores
+         * provided by the `asyncLocalStorage`, as those objects are garbage collected
+         * along with the corresponding async resources.
+         *
+         * Use this method when the `asyncLocalStorage` is not in use anymore
+         * in the current process.
+         * @since v13.10.0, v12.17.0
+         * @experimental
+         */
+        disable(): void;
+        /**
+         * Returns the current store.
+         * If called outside of an asynchronous context initialized by
+         * calling `asyncLocalStorage.run()` or `asyncLocalStorage.enterWith()`, it
+         * returns `undefined`.
+         * @since v13.10.0, v12.17.0
+         */
+        getStore(): T | undefined;
+        /**
+         * Runs a function synchronously within a context and returns its
+         * return value. The store is not accessible outside of the callback function.
+         * The store is accessible to any asynchronous operations created within the
+         * callback.
+         *
+         * The optional `args` are passed to the callback function.
+         *
+         * If the callback function throws an error, the error is thrown by `run()` too.
+         * The stacktrace is not impacted by this call and the context is exited.
+         *
+         * Example:
+         *
+         * ```js
+         * const store = { id: 2 };
+         * try {
+         *   asyncLocalStorage.run(store, () => {
+         *     asyncLocalStorage.getStore(); // Returns the store object
+         *     setTimeout(() => {
+         *       asyncLocalStorage.getStore(); // Returns the store object
+         *     }, 200);
+         *     throw new Error();
+         *   });
+         * } catch (e) {
+         *   asyncLocalStorage.getStore(); // Returns undefined
+         *   // The error will be caught here
+         * }
+         * ```
+         * @since v13.10.0, v12.17.0
+         */
+        run<R, TArgs extends any[]>(store: T, callback: (...args: TArgs) => R, ...args: TArgs): R;
+        /**
+         * Runs a function synchronously outside of a context and returns its
+         * return value. The store is not accessible within the callback function or
+         * the asynchronous operations created within the callback. Any `getStore()`call done within the callback function will always return `undefined`.
+         *
+         * The optional `args` are passed to the callback function.
+         *
+         * If the callback function throws an error, the error is thrown by `exit()` too.
+         * The stacktrace is not impacted by this call and the context is re-entered.
+         *
+         * Example:
+         *
+         * ```js
+         * // Within a call to run
+         * try {
+         *   asyncLocalStorage.getStore(); // Returns the store object or value
+         *   asyncLocalStorage.exit(() => {
+         *     asyncLocalStorage.getStore(); // Returns undefined
+         *     throw new Error();
+         *   });
+         * } catch (e) {
+         *   asyncLocalStorage.getStore(); // Returns the same object or value
+         *   // The error will be caught here
+         * }
+         * ```
+         * @since v13.10.0, v12.17.0
+         * @experimental
+         */
+        exit<R, TArgs extends any[]>(callback: (...args: TArgs) => R, ...args: TArgs): R;
+        /**
+         * Transitions into the context for the remainder of the current
+         * synchronous execution and then persists the store through any following
+         * asynchronous calls.
+         *
+         * Example:
+         *
+         * ```js
+         * const store = { id: 1 };
+         * // Replaces previous store with the given store object
+         * asyncLocalStorage.enterWith(store);
+         * asyncLocalStorage.getStore(); // Returns the store object
+         * someAsyncOperation(() => {
+         *   asyncLocalStorage.getStore(); // Returns the same object
+         * });
+         * ```
+         *
+         * This transition will continue for the _entire_ synchronous execution.
+         * This means that if, for example, the context is entered within an event
+         * handler subsequent event handlers will also run within that context unless
+         * specifically bound to another context with an `AsyncResource`. That is why`run()` should be preferred over `enterWith()` unless there are strong reasons
+         * to use the latter method.
+         *
+         * ```js
+         * const store = { id: 1 };
+         *
+         * emitter.on('my-event', () => {
+         *   asyncLocalStorage.enterWith(store);
+         * });
+         * emitter.on('my-event', () => {
+         *   asyncLocalStorage.getStore(); // Returns the same object
+         * });
+         *
+         * asyncLocalStorage.getStore(); // Returns undefined
+         * emitter.emit('my-event');
+         * asyncLocalStorage.getStore(); // Returns the same object
+         * ```
+         * @since v13.11.0, v12.17.0
+         * @experimental
+         */
+        enterWith(store: T): void;
+    }
+}
+declare module 'node:async_hooks' {
+    export * from 'async_hooks';
+}
diff --git a/node_modules/@types/node/buffer.d.ts b/node_modules/@types/node/buffer.d.ts
new file mode 100644
index 000000000..13ab33546
--- /dev/null
+++ b/node_modules/@types/node/buffer.d.ts
@@ -0,0 +1,2238 @@
+/**
+ * `Buffer` objects are used to represent a fixed-length sequence of bytes. Many
+ * Node.js APIs support `Buffer`s.
+ *
+ * The `Buffer` class is a subclass of JavaScript's [`Uint8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array) class and
+ * extends it with methods that cover additional use cases. Node.js APIs accept
+ * plain [`Uint8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array) s wherever `Buffer`s are supported as well.
+ *
+ * While the `Buffer` class is available within the global scope, it is still
+ * recommended to explicitly reference it via an import or require statement.
+ *
+ * ```js
+ * import { Buffer } from 'buffer';
+ *
+ * // Creates a zero-filled Buffer of length 10.
+ * const buf1 = Buffer.alloc(10);
+ *
+ * // Creates a Buffer of length 10,
+ * // filled with bytes which all have the value `1`.
+ * const buf2 = Buffer.alloc(10, 1);
+ *
+ * // Creates an uninitialized buffer of length 10.
+ * // This is faster than calling Buffer.alloc() but the returned
+ * // Buffer instance might contain old data that needs to be
+ * // overwritten using fill(), write(), or other functions that fill the Buffer's
+ * // contents.
+ * const buf3 = Buffer.allocUnsafe(10);
+ *
+ * // Creates a Buffer containing the bytes [1, 2, 3].
+ * const buf4 = Buffer.from([1, 2, 3]);
+ *
+ * // Creates a Buffer containing the bytes [1, 1, 1, 1] – the entries
+ * // are all truncated using `(value &#x26; 255)` to fit into the range 0–255.
+ * const buf5 = Buffer.from([257, 257.5, -255, '1']);
+ *
+ * // Creates a Buffer containing the UTF-8-encoded bytes for the string 'tést':
+ * // [0x74, 0xc3, 0xa9, 0x73, 0x74] (in hexadecimal notation)
+ * // [116, 195, 169, 115, 116] (in decimal notation)
+ * const buf6 = Buffer.from('tést');
+ *
+ * // Creates a Buffer containing the Latin-1 bytes [0x74, 0xe9, 0x73, 0x74].
+ * const buf7 = Buffer.from('tést', 'latin1');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/buffer.js)
+ */
+declare module 'buffer' {
+    import { BinaryLike } from 'node:crypto';
+    export const INSPECT_MAX_BYTES: number;
+    export const kMaxLength: number;
+    export const kStringMaxLength: number;
+    export const constants: {
+        MAX_LENGTH: number;
+        MAX_STRING_LENGTH: number;
+    };
+    export type TranscodeEncoding = 'ascii' | 'utf8' | 'utf16le' | 'ucs2' | 'latin1' | 'binary';
+    /**
+     * Re-encodes the given `Buffer` or `Uint8Array` instance from one character
+     * encoding to another. Returns a new `Buffer` instance.
+     *
+     * Throws if the `fromEnc` or `toEnc` specify invalid character encodings or if
+     * conversion from `fromEnc` to `toEnc` is not permitted.
+     *
+     * Encodings supported by `buffer.transcode()` are: `'ascii'`, `'utf8'`,`'utf16le'`, `'ucs2'`, `'latin1'`, and `'binary'`.
+     *
+     * The transcoding process will use substitution characters if a given byte
+     * sequence cannot be adequately represented in the target encoding. For instance:
+     *
+     * ```js
+     * import { Buffer, transcode } from 'buffer';
+     *
+     * const newBuf = transcode(Buffer.from('€'), 'utf8', 'ascii');
+     * console.log(newBuf.toString('ascii'));
+     * // Prints: '?'
+     * ```
+     *
+     * Because the Euro (`€`) sign is not representable in US-ASCII, it is replaced
+     * with `?` in the transcoded `Buffer`.
+     * @since v7.1.0
+     * @param source A `Buffer` or `Uint8Array` instance.
+     * @param fromEnc The current encoding.
+     * @param toEnc To target encoding.
+     */
+    export function transcode(source: Uint8Array, fromEnc: TranscodeEncoding, toEnc: TranscodeEncoding): Buffer;
+    export const SlowBuffer: {
+        /** @deprecated since v6.0.0, use `Buffer.allocUnsafeSlow()` */
+        new (size: number): Buffer;
+        prototype: Buffer;
+    };
+    /**
+     * Resolves a `'blob:nodedata:...'` an associated `Blob` object registered using
+     * a prior call to `URL.createObjectURL()`.
+     * @since v16.7.0
+     * @experimental
+     * @param id A `'blob:nodedata:...` URL string returned by a prior call to `URL.createObjectURL()`.
+     */
+    export function resolveObjectURL(id: string): Blob | undefined;
+    export { Buffer };
+    /**
+     * @experimental
+     */
+    export interface BlobOptions {
+        /**
+         * @default 'utf8'
+         */
+        encoding?: BufferEncoding | undefined;
+        /**
+         * The Blob content-type. The intent is for `type` to convey
+         * the MIME media type of the data, however no validation of the type format
+         * is performed.
+         */
+        type?: string | undefined;
+    }
+    /**
+     * A [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) encapsulates immutable, raw data that can be safely shared across
+     * multiple worker threads.
+     * @since v15.7.0, v14.18.0
+     */
+    export class Blob {
+        /**
+         * The total size of the `Blob` in bytes.
+         * @since v15.7.0, v14.18.0
+         */
+        readonly size: number;
+        /**
+         * The content-type of the `Blob`.
+         * @since v15.7.0, v14.18.0
+         */
+        readonly type: string;
+        /**
+         * Creates a new `Blob` object containing a concatenation of the given sources.
+         *
+         * {ArrayBuffer}, {TypedArray}, {DataView}, and {Buffer} sources are copied into
+         * the 'Blob' and can therefore be safely modified after the 'Blob' is created.
+         *
+         * String sources are also copied into the `Blob`.
+         */
+        constructor(sources: Array<BinaryLike | Blob>, options?: BlobOptions);
+        /**
+         * Returns a promise that fulfills with an [ArrayBuffer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer) containing a copy of
+         * the `Blob` data.
+         * @since v15.7.0, v14.18.0
+         */
+        arrayBuffer(): Promise<ArrayBuffer>;
+        /**
+         * Creates and returns a new `Blob` containing a subset of this `Blob` objects
+         * data. The original `Blob` is not altered.
+         * @since v15.7.0, v14.18.0
+         * @param start The starting index.
+         * @param end The ending index.
+         * @param type The content-type for the new `Blob`
+         */
+        slice(start?: number, end?: number, type?: string): Blob;
+        /**
+         * Returns a promise that fulfills with the contents of the `Blob` decoded as a
+         * UTF-8 string.
+         * @since v15.7.0, v14.18.0
+         */
+        text(): Promise<string>;
+        /**
+         * Returns a new `ReadableStream` that allows the content of the `Blob` to be read.
+         * @since v16.7.0
+         */
+        stream(): unknown; // pending web streams types
+    }
+    export import atob = globalThis.atob;
+    export import btoa = globalThis.btoa;
+    global {
+        // Buffer class
+        type BufferEncoding = 'ascii' | 'utf8' | 'utf-8' | 'utf16le' | 'ucs2' | 'ucs-2' | 'base64' | 'base64url' | 'latin1' | 'binary' | 'hex';
+        type WithImplicitCoercion<T> =
+            | T
+            | {
+                  valueOf(): T;
+              };
+        /**
+         * Raw data is stored in instances of the Buffer class.
+         * A Buffer is similar to an array of integers but corresponds to a raw memory allocation outside the V8 heap.  A Buffer cannot be resized.
+         * Valid string encodings: 'ascii'|'utf8'|'utf16le'|'ucs2'(alias of 'utf16le')|'base64'|'base64url'|'binary'(deprecated)|'hex'
+         */
+        interface BufferConstructor {
+            /**
+             * Allocates a new buffer containing the given {str}.
+             *
+             * @param str String to store in buffer.
+             * @param encoding encoding to use, optional.  Default is 'utf8'
+             * @deprecated since v10.0.0 - Use `Buffer.from(string[, encoding])` instead.
+             */
+            new (str: string, encoding?: BufferEncoding): Buffer;
+            /**
+             * Allocates a new buffer of {size} octets.
+             *
+             * @param size count of octets to allocate.
+             * @deprecated since v10.0.0 - Use `Buffer.alloc()` instead (also see `Buffer.allocUnsafe()`).
+             */
+            new (size: number): Buffer;
+            /**
+             * Allocates a new buffer containing the given {array} of octets.
+             *
+             * @param array The octets to store.
+             * @deprecated since v10.0.0 - Use `Buffer.from(array)` instead.
+             */
+            new (array: Uint8Array): Buffer;
+            /**
+             * Produces a Buffer backed by the same allocated memory as
+             * the given {ArrayBuffer}/{SharedArrayBuffer}.
+             *
+             *
+             * @param arrayBuffer The ArrayBuffer with which to share memory.
+             * @deprecated since v10.0.0 - Use `Buffer.from(arrayBuffer[, byteOffset[, length]])` instead.
+             */
+            new (arrayBuffer: ArrayBuffer | SharedArrayBuffer): Buffer;
+            /**
+             * Allocates a new buffer containing the given {array} of octets.
+             *
+             * @param array The octets to store.
+             * @deprecated since v10.0.0 - Use `Buffer.from(array)` instead.
+             */
+            new (array: ReadonlyArray<any>): Buffer;
+            /**
+             * Copies the passed {buffer} data onto a new {Buffer} instance.
+             *
+             * @param buffer The buffer to copy.
+             * @deprecated since v10.0.0 - Use `Buffer.from(buffer)` instead.
+             */
+            new (buffer: Buffer): Buffer;
+            /**
+             * Allocates a new `Buffer` using an `array` of bytes in the range `0` – `255`.
+             * Array entries outside that range will be truncated to fit into it.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Creates a new Buffer containing the UTF-8 bytes of the string 'buffer'.
+             * const buf = Buffer.from([0x62, 0x75, 0x66, 0x66, 0x65, 0x72]);
+             * ```
+             *
+             * A `TypeError` will be thrown if `array` is not an `Array` or another type
+             * appropriate for `Buffer.from()` variants.
+             *
+             * `Buffer.from(array)` and `Buffer.from(string)` may also use the internal`Buffer` pool like `Buffer.allocUnsafe()` does.
+             * @since v5.10.0
+             */
+            from(arrayBuffer: WithImplicitCoercion<ArrayBuffer | SharedArrayBuffer>, byteOffset?: number, length?: number): Buffer;
+            /**
+             * Creates a new Buffer using the passed {data}
+             * @param data data to create a new Buffer
+             */
+            from(data: Uint8Array | ReadonlyArray<number>): Buffer;
+            from(data: WithImplicitCoercion<Uint8Array | ReadonlyArray<number> | string>): Buffer;
+            /**
+             * Creates a new Buffer containing the given JavaScript string {str}.
+             * If provided, the {encoding} parameter identifies the character encoding.
+             * If not provided, {encoding} defaults to 'utf8'.
+             */
+            from(
+                str:
+                    | WithImplicitCoercion<string>
+                    | {
+                          [Symbol.toPrimitive](hint: 'string'): string;
+                      },
+                encoding?: BufferEncoding
+            ): Buffer;
+            /**
+             * Creates a new Buffer using the passed {data}
+             * @param values to create a new Buffer
+             */
+            of(...items: number[]): Buffer;
+            /**
+             * Returns `true` if `obj` is a `Buffer`, `false` otherwise.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * Buffer.isBuffer(Buffer.alloc(10)); // true
+             * Buffer.isBuffer(Buffer.from('foo')); // true
+             * Buffer.isBuffer('a string'); // false
+             * Buffer.isBuffer([]); // false
+             * Buffer.isBuffer(new Uint8Array(1024)); // false
+             * ```
+             * @since v0.1.101
+             */
+            isBuffer(obj: any): obj is Buffer;
+            /**
+             * Returns `true` if `encoding` is the name of a supported character encoding,
+             * or `false` otherwise.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * console.log(Buffer.isEncoding('utf8'));
+             * // Prints: true
+             *
+             * console.log(Buffer.isEncoding('hex'));
+             * // Prints: true
+             *
+             * console.log(Buffer.isEncoding('utf/8'));
+             * // Prints: false
+             *
+             * console.log(Buffer.isEncoding(''));
+             * // Prints: false
+             * ```
+             * @since v0.9.1
+             * @param encoding A character encoding name to check.
+             */
+            isEncoding(encoding: string): encoding is BufferEncoding;
+            /**
+             * Returns the byte length of a string when encoded using `encoding`.
+             * This is not the same as [`String.prototype.length`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/length), which does not account
+             * for the encoding that is used to convert the string into bytes.
+             *
+             * For `'base64'`, `'base64url'`, and `'hex'`, this function assumes valid input.
+             * For strings that contain non-base64/hex-encoded data (e.g. whitespace), the
+             * return value might be greater than the length of a `Buffer` created from the
+             * string.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const str = '\u00bd + \u00bc = \u00be';
+             *
+             * console.log(`${str}: ${str.length} characters, ` +
+             *             `${Buffer.byteLength(str, 'utf8')} bytes`);
+             * // Prints: ½ + ¼ = ¾: 9 characters, 12 bytes
+             * ```
+             *
+             * When `string` is a
+             * `Buffer`/[`DataView`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView)/[`TypedArray`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/-
+             * Reference/Global_Objects/TypedArray)/[`ArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer)/[`SharedArrayBuffer`](https://develop-
+             * er.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer), the byte length as reported by `.byteLength`is returned.
+             * @since v0.1.90
+             * @param string A value to calculate the length of.
+             * @param [encoding='utf8'] If `string` is a string, this is its encoding.
+             * @return The number of bytes contained within `string`.
+             */
+            byteLength(string: string | NodeJS.ArrayBufferView | ArrayBuffer | SharedArrayBuffer, encoding?: BufferEncoding): number;
+            /**
+             * Returns a new `Buffer` which is the result of concatenating all the `Buffer`instances in the `list` together.
+             *
+             * If the list has no items, or if the `totalLength` is 0, then a new zero-length`Buffer` is returned.
+             *
+             * If `totalLength` is not provided, it is calculated from the `Buffer` instances
+             * in `list` by adding their lengths.
+             *
+             * If `totalLength` is provided, it is coerced to an unsigned integer. If the
+             * combined length of the `Buffer`s in `list` exceeds `totalLength`, the result is
+             * truncated to `totalLength`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Create a single `Buffer` from a list of three `Buffer` instances.
+             *
+             * const buf1 = Buffer.alloc(10);
+             * const buf2 = Buffer.alloc(14);
+             * const buf3 = Buffer.alloc(18);
+             * const totalLength = buf1.length + buf2.length + buf3.length;
+             *
+             * console.log(totalLength);
+             * // Prints: 42
+             *
+             * const bufA = Buffer.concat([buf1, buf2, buf3], totalLength);
+             *
+             * console.log(bufA);
+             * // Prints: <Buffer 00 00 00 00 ...>
+             * console.log(bufA.length);
+             * // Prints: 42
+             * ```
+             *
+             * `Buffer.concat()` may also use the internal `Buffer` pool like `Buffer.allocUnsafe()` does.
+             * @since v0.7.11
+             * @param list List of `Buffer` or {@link Uint8Array} instances to concatenate.
+             * @param totalLength Total length of the `Buffer` instances in `list` when concatenated.
+             */
+            concat(list: ReadonlyArray<Uint8Array>, totalLength?: number): Buffer;
+            /**
+             * Compares `buf1` to `buf2`, typically for the purpose of sorting arrays of`Buffer` instances. This is equivalent to calling `buf1.compare(buf2)`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from('1234');
+             * const buf2 = Buffer.from('0123');
+             * const arr = [buf1, buf2];
+             *
+             * console.log(arr.sort(Buffer.compare));
+             * // Prints: [ <Buffer 30 31 32 33>, <Buffer 31 32 33 34> ]
+             * // (This result is equal to: [buf2, buf1].)
+             * ```
+             * @since v0.11.13
+             * @return Either `-1`, `0`, or `1`, depending on the result of the comparison. See `compare` for details.
+             */
+            compare(buf1: Uint8Array, buf2: Uint8Array): -1 | 0 | 1;
+            /**
+             * Allocates a new `Buffer` of `size` bytes. If `fill` is `undefined`, the`Buffer` will be zero-filled.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.alloc(5);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 00 00 00 00 00>
+             * ```
+             *
+             * If `size` is larger than {@link constants.MAX_LENGTH} or smaller than 0, `ERR_INVALID_ARG_VALUE` is thrown.
+             *
+             * If `fill` is specified, the allocated `Buffer` will be initialized by calling `buf.fill(fill)`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.alloc(5, 'a');
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 61 61 61 61 61>
+             * ```
+             *
+             * If both `fill` and `encoding` are specified, the allocated `Buffer` will be
+             * initialized by calling `buf.fill(fill, encoding)`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.alloc(11, 'aGVsbG8gd29ybGQ=', 'base64');
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64>
+             * ```
+             *
+             * Calling `Buffer.alloc()` can be measurably slower than the alternative `Buffer.allocUnsafe()` but ensures that the newly created `Buffer` instance
+             * contents will never contain sensitive data from previous allocations, including
+             * data that might not have been allocated for `Buffer`s.
+             *
+             * A `TypeError` will be thrown if `size` is not a number.
+             * @since v5.10.0
+             * @param size The desired length of the new `Buffer`.
+             * @param [fill=0] A value to pre-fill the new `Buffer` with.
+             * @param [encoding='utf8'] If `fill` is a string, this is its encoding.
+             */
+            alloc(size: number, fill?: string | Buffer | number, encoding?: BufferEncoding): Buffer;
+            /**
+             * Allocates a new `Buffer` of `size` bytes. If `size` is larger than {@link constants.MAX_LENGTH} or smaller than 0, `ERR_INVALID_ARG_VALUE` is thrown.
+             *
+             * The underlying memory for `Buffer` instances created in this way is _not_
+             * _initialized_. The contents of the newly created `Buffer` are unknown and _may contain sensitive data_. Use `Buffer.alloc()` instead to initialize`Buffer` instances with zeroes.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(10);
+             *
+             * console.log(buf);
+             * // Prints (contents may vary): <Buffer a0 8b 28 3f 01 00 00 00 50 32>
+             *
+             * buf.fill(0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 00 00 00 00 00 00 00 00 00 00>
+             * ```
+             *
+             * A `TypeError` will be thrown if `size` is not a number.
+             *
+             * The `Buffer` module pre-allocates an internal `Buffer` instance of
+             * size `Buffer.poolSize` that is used as a pool for the fast allocation of new`Buffer` instances created using `Buffer.allocUnsafe()`,`Buffer.from(array)`, `Buffer.concat()`, and the
+             * deprecated`new Buffer(size)` constructor only when `size` is less than or equal
+             * to `Buffer.poolSize >> 1` (floor of `Buffer.poolSize` divided by two).
+             *
+             * Use of this pre-allocated internal memory pool is a key difference between
+             * calling `Buffer.alloc(size, fill)` vs. `Buffer.allocUnsafe(size).fill(fill)`.
+             * Specifically, `Buffer.alloc(size, fill)` will _never_ use the internal `Buffer`pool, while `Buffer.allocUnsafe(size).fill(fill)`_will_ use the internal`Buffer` pool if `size` is less
+             * than or equal to half `Buffer.poolSize`. The
+             * difference is subtle but can be important when an application requires the
+             * additional performance that `Buffer.allocUnsafe()` provides.
+             * @since v5.10.0
+             * @param size The desired length of the new `Buffer`.
+             */
+            allocUnsafe(size: number): Buffer;
+            /**
+             * Allocates a new `Buffer` of `size` bytes. If `size` is larger than {@link constants.MAX_LENGTH} or smaller than 0, `ERR_INVALID_ARG_VALUE` is thrown. A zero-length `Buffer` is created
+             * if `size` is 0.
+             *
+             * The underlying memory for `Buffer` instances created in this way is _not_
+             * _initialized_. The contents of the newly created `Buffer` are unknown and _may contain sensitive data_. Use `buf.fill(0)` to initialize
+             * such `Buffer` instances with zeroes.
+             *
+             * When using `Buffer.allocUnsafe()` to allocate new `Buffer` instances,
+             * allocations under 4 KB are sliced from a single pre-allocated `Buffer`. This
+             * allows applications to avoid the garbage collection overhead of creating many
+             * individually allocated `Buffer` instances. This approach improves both
+             * performance and memory usage by eliminating the need to track and clean up as
+             * many individual `ArrayBuffer` objects.
+             *
+             * However, in the case where a developer may need to retain a small chunk of
+             * memory from a pool for an indeterminate amount of time, it may be appropriate
+             * to create an un-pooled `Buffer` instance using `Buffer.allocUnsafeSlow()` and
+             * then copying out the relevant bits.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Need to keep around a few small chunks of memory.
+             * const store = [];
+             *
+             * socket.on('readable', () => {
+             *   let data;
+             *   while (null !== (data = readable.read())) {
+             *     // Allocate for retained data.
+             *     const sb = Buffer.allocUnsafeSlow(10);
+             *
+             *     // Copy the data into the new allocation.
+             *     data.copy(sb, 0, 0, 10);
+             *
+             *     store.push(sb);
+             *   }
+             * });
+             * ```
+             *
+             * A `TypeError` will be thrown if `size` is not a number.
+             * @since v5.12.0
+             * @param size The desired length of the new `Buffer`.
+             */
+            allocUnsafeSlow(size: number): Buffer;
+            /**
+             * This is the size (in bytes) of pre-allocated internal `Buffer` instances used
+             * for pooling. This value may be modified.
+             * @since v0.11.3
+             */
+            poolSize: number;
+        }
+        interface Buffer extends Uint8Array {
+            /**
+             * Writes `string` to `buf` at `offset` according to the character encoding in`encoding`. The `length` parameter is the number of bytes to write. If `buf` did
+             * not contain enough space to fit the entire string, only part of `string` will be
+             * written. However, partially encoded characters will not be written.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.alloc(256);
+             *
+             * const len = buf.write('\u00bd + \u00bc = \u00be', 0);
+             *
+             * console.log(`${len} bytes: ${buf.toString('utf8', 0, len)}`);
+             * // Prints: 12 bytes: ½ + ¼ = ¾
+             *
+             * const buffer = Buffer.alloc(10);
+             *
+             * const length = buffer.write('abcd', 8);
+             *
+             * console.log(`${length} bytes: ${buffer.toString('utf8', 8, 10)}`);
+             * // Prints: 2 bytes : ab
+             * ```
+             * @since v0.1.90
+             * @param string String to write to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write `string`.
+             * @param [length=buf.length - offset] Maximum number of bytes to write (written bytes will not exceed `buf.length - offset`).
+             * @param [encoding='utf8'] The character encoding of `string`.
+             * @return Number of bytes written.
+             */
+            write(string: string, encoding?: BufferEncoding): number;
+            write(string: string, offset: number, encoding?: BufferEncoding): number;
+            write(string: string, offset: number, length: number, encoding?: BufferEncoding): number;
+            /**
+             * Decodes `buf` to a string according to the specified character encoding in`encoding`. `start` and `end` may be passed to decode only a subset of `buf`.
+             *
+             * If `encoding` is `'utf8'` and a byte sequence in the input is not valid UTF-8,
+             * then each invalid byte is replaced with the replacement character `U+FFFD`.
+             *
+             * The maximum length of a string instance (in UTF-16 code units) is available
+             * as {@link constants.MAX_STRING_LENGTH}.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.allocUnsafe(26);
+             *
+             * for (let i = 0; i < 26; i++) {
+             *   // 97 is the decimal ASCII value for 'a'.
+             *   buf1[i] = i + 97;
+             * }
+             *
+             * console.log(buf1.toString('utf8'));
+             * // Prints: abcdefghijklmnopqrstuvwxyz
+             * console.log(buf1.toString('utf8', 0, 5));
+             * // Prints: abcde
+             *
+             * const buf2 = Buffer.from('tést');
+             *
+             * console.log(buf2.toString('hex'));
+             * // Prints: 74c3a97374
+             * console.log(buf2.toString('utf8', 0, 3));
+             * // Prints: té
+             * console.log(buf2.toString(undefined, 0, 3));
+             * // Prints: té
+             * ```
+             * @since v0.1.90
+             * @param [encoding='utf8'] The character encoding to use.
+             * @param [start=0] The byte offset to start decoding at.
+             * @param [end=buf.length] The byte offset to stop decoding at (not inclusive).
+             */
+            toString(encoding?: BufferEncoding, start?: number, end?: number): string;
+            /**
+             * Returns a JSON representation of `buf`. [`JSON.stringify()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify) implicitly calls
+             * this function when stringifying a `Buffer` instance.
+             *
+             * `Buffer.from()` accepts objects in the format returned from this method.
+             * In particular, `Buffer.from(buf.toJSON())` works like `Buffer.from(buf)`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x1, 0x2, 0x3, 0x4, 0x5]);
+             * const json = JSON.stringify(buf);
+             *
+             * console.log(json);
+             * // Prints: {"type":"Buffer","data":[1,2,3,4,5]}
+             *
+             * const copy = JSON.parse(json, (key, value) => {
+             *   return value &#x26;&#x26; value.type === 'Buffer' ?
+             *     Buffer.from(value) :
+             *     value;
+             * });
+             *
+             * console.log(copy);
+             * // Prints: <Buffer 01 02 03 04 05>
+             * ```
+             * @since v0.9.2
+             */
+            toJSON(): {
+                type: 'Buffer';
+                data: number[];
+            };
+            /**
+             * Returns `true` if both `buf` and `otherBuffer` have exactly the same bytes,`false` otherwise. Equivalent to `buf.compare(otherBuffer) === 0`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from('ABC');
+             * const buf2 = Buffer.from('414243', 'hex');
+             * const buf3 = Buffer.from('ABCD');
+             *
+             * console.log(buf1.equals(buf2));
+             * // Prints: true
+             * console.log(buf1.equals(buf3));
+             * // Prints: false
+             * ```
+             * @since v0.11.13
+             * @param otherBuffer A `Buffer` or {@link Uint8Array} with which to compare `buf`.
+             */
+            equals(otherBuffer: Uint8Array): boolean;
+            /**
+             * Compares `buf` with `target` and returns a number indicating whether `buf`comes before, after, or is the same as `target` in sort order.
+             * Comparison is based on the actual sequence of bytes in each `Buffer`.
+             *
+             * * `0` is returned if `target` is the same as `buf`
+             * * `1` is returned if `target` should come _before_`buf` when sorted.
+             * * `-1` is returned if `target` should come _after_`buf` when sorted.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from('ABC');
+             * const buf2 = Buffer.from('BCD');
+             * const buf3 = Buffer.from('ABCD');
+             *
+             * console.log(buf1.compare(buf1));
+             * // Prints: 0
+             * console.log(buf1.compare(buf2));
+             * // Prints: -1
+             * console.log(buf1.compare(buf3));
+             * // Prints: -1
+             * console.log(buf2.compare(buf1));
+             * // Prints: 1
+             * console.log(buf2.compare(buf3));
+             * // Prints: 1
+             * console.log([buf1, buf2, buf3].sort(Buffer.compare));
+             * // Prints: [ <Buffer 41 42 43>, <Buffer 41 42 43 44>, <Buffer 42 43 44> ]
+             * // (This result is equal to: [buf1, buf3, buf2].)
+             * ```
+             *
+             * The optional `targetStart`, `targetEnd`, `sourceStart`, and `sourceEnd`arguments can be used to limit the comparison to specific ranges within `target`and `buf` respectively.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9]);
+             * const buf2 = Buffer.from([5, 6, 7, 8, 9, 1, 2, 3, 4]);
+             *
+             * console.log(buf1.compare(buf2, 5, 9, 0, 4));
+             * // Prints: 0
+             * console.log(buf1.compare(buf2, 0, 6, 4));
+             * // Prints: -1
+             * console.log(buf1.compare(buf2, 5, 6, 5));
+             * // Prints: 1
+             * ```
+             *
+             * `ERR_OUT_OF_RANGE` is thrown if `targetStart < 0`, `sourceStart < 0`,`targetEnd > target.byteLength`, or `sourceEnd > source.byteLength`.
+             * @since v0.11.13
+             * @param target A `Buffer` or {@link Uint8Array} with which to compare `buf`.
+             * @param [targetStart=0] The offset within `target` at which to begin comparison.
+             * @param [targetEnd=target.length] The offset within `target` at which to end comparison (not inclusive).
+             * @param [sourceStart=0] The offset within `buf` at which to begin comparison.
+             * @param [sourceEnd=buf.length] The offset within `buf` at which to end comparison (not inclusive).
+             */
+            compare(target: Uint8Array, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): -1 | 0 | 1;
+            /**
+             * Copies data from a region of `buf` to a region in `target`, even if the `target`memory region overlaps with `buf`.
+             *
+             * [`TypedArray.prototype.set()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/set) performs the same operation, and is available
+             * for all TypedArrays, including Node.js `Buffer`s, although it takes
+             * different function arguments.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Create two `Buffer` instances.
+             * const buf1 = Buffer.allocUnsafe(26);
+             * const buf2 = Buffer.allocUnsafe(26).fill('!');
+             *
+             * for (let i = 0; i < 26; i++) {
+             *   // 97 is the decimal ASCII value for 'a'.
+             *   buf1[i] = i + 97;
+             * }
+             *
+             * // Copy `buf1` bytes 16 through 19 into `buf2` starting at byte 8 of `buf2`.
+             * buf1.copy(buf2, 8, 16, 20);
+             * // This is equivalent to:
+             * // buf2.set(buf1.subarray(16, 20), 8);
+             *
+             * console.log(buf2.toString('ascii', 0, 25));
+             * // Prints: !!!!!!!!qrst!!!!!!!!!!!!!
+             * ```
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Create a `Buffer` and copy data from one region to an overlapping region
+             * // within the same `Buffer`.
+             *
+             * const buf = Buffer.allocUnsafe(26);
+             *
+             * for (let i = 0; i < 26; i++) {
+             *   // 97 is the decimal ASCII value for 'a'.
+             *   buf[i] = i + 97;
+             * }
+             *
+             * buf.copy(buf, 0, 4, 10);
+             *
+             * console.log(buf.toString());
+             * // Prints: efghijghijklmnopqrstuvwxyz
+             * ```
+             * @since v0.1.90
+             * @param target A `Buffer` or {@link Uint8Array} to copy into.
+             * @param [targetStart=0] The offset within `target` at which to begin writing.
+             * @param [sourceStart=0] The offset within `buf` from which to begin copying.
+             * @param [sourceEnd=buf.length] The offset within `buf` at which to stop copying (not inclusive).
+             * @return The number of bytes copied.
+             */
+            copy(target: Uint8Array, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
+            /**
+             * Returns a new `Buffer` that references the same memory as the original, but
+             * offset and cropped by the `start` and `end` indices.
+             *
+             * This method is not compatible with the `Uint8Array.prototype.slice()`,
+             * which is a superclass of `Buffer`. To copy the slice, use`Uint8Array.prototype.slice()`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('buffer');
+             *
+             * const copiedBuf = Uint8Array.prototype.slice.call(buf);
+             * copiedBuf[0]++;
+             * console.log(copiedBuf.toString());
+             * // Prints: cuffer
+             *
+             * console.log(buf.toString());
+             * // Prints: buffer
+             *
+             * // With buf.slice(), the original buffer is modified.
+             * const notReallyCopiedBuf = buf.slice();
+             * notReallyCopiedBuf[0]++;
+             * console.log(notReallyCopiedBuf.toString());
+             * // Prints: cuffer
+             * console.log(buf.toString());
+             * // Also prints: cuffer (!)
+             * ```
+             * @since v0.3.0
+             * @deprecated Use `subarray` instead.
+             * @param [start=0] Where the new `Buffer` will start.
+             * @param [end=buf.length] Where the new `Buffer` will end (not inclusive).
+             */
+            slice(start?: number, end?: number): Buffer;
+            /**
+             * Returns a new `Buffer` that references the same memory as the original, but
+             * offset and cropped by the `start` and `end` indices.
+             *
+             * Specifying `end` greater than `buf.length` will return the same result as
+             * that of `end` equal to `buf.length`.
+             *
+             * This method is inherited from [`TypedArray.prototype.subarray()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/subarray).
+             *
+             * Modifying the new `Buffer` slice will modify the memory in the original `Buffer`because the allocated memory of the two objects overlap.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Create a `Buffer` with the ASCII alphabet, take a slice, and modify one byte
+             * // from the original `Buffer`.
+             *
+             * const buf1 = Buffer.allocUnsafe(26);
+             *
+             * for (let i = 0; i < 26; i++) {
+             *   // 97 is the decimal ASCII value for 'a'.
+             *   buf1[i] = i + 97;
+             * }
+             *
+             * const buf2 = buf1.subarray(0, 3);
+             *
+             * console.log(buf2.toString('ascii', 0, buf2.length));
+             * // Prints: abc
+             *
+             * buf1[0] = 33;
+             *
+             * console.log(buf2.toString('ascii', 0, buf2.length));
+             * // Prints: !bc
+             * ```
+             *
+             * Specifying negative indexes causes the slice to be generated relative to the
+             * end of `buf` rather than the beginning.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('buffer');
+             *
+             * console.log(buf.subarray(-6, -1).toString());
+             * // Prints: buffe
+             * // (Equivalent to buf.subarray(0, 5).)
+             *
+             * console.log(buf.subarray(-6, -2).toString());
+             * // Prints: buff
+             * // (Equivalent to buf.subarray(0, 4).)
+             *
+             * console.log(buf.subarray(-5, -2).toString());
+             * // Prints: uff
+             * // (Equivalent to buf.subarray(1, 4).)
+             * ```
+             * @since v3.0.0
+             * @param [start=0] Where the new `Buffer` will start.
+             * @param [end=buf.length] Where the new `Buffer` will end (not inclusive).
+             */
+            subarray(start?: number, end?: number): Buffer;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian.
+             *
+             * `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(8);
+             *
+             * buf.writeBigInt64BE(0x0102030405060708n, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 01 02 03 04 05 06 07 08>
+             * ```
+             * @since v12.0.0, v10.20.0
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy: `0 <= offset <= buf.length - 8`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeBigInt64BE(value: bigint, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian.
+             *
+             * `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(8);
+             *
+             * buf.writeBigInt64LE(0x0102030405060708n, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 08 07 06 05 04 03 02 01>
+             * ```
+             * @since v12.0.0, v10.20.0
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy: `0 <= offset <= buf.length - 8`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeBigInt64LE(value: bigint, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian.
+             *
+             * This function is also available under the `writeBigUint64BE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(8);
+             *
+             * buf.writeBigUInt64BE(0xdecafafecacefaden, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer de ca fa fe ca ce fa de>
+             * ```
+             * @since v12.0.0, v10.20.0
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy: `0 <= offset <= buf.length - 8`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeBigUInt64BE(value: bigint, offset?: number): number;
+            /**
+             * @alias Buffer.writeBigUInt64BE
+             * @since v14.10.0, v12.19.0
+             */
+            writeBigUint64BE(value: bigint, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(8);
+             *
+             * buf.writeBigUInt64LE(0xdecafafecacefaden, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer de fa ce ca fe fa ca de>
+             * ```
+             *
+             * This function is also available under the `writeBigUint64LE` alias.
+             * @since v12.0.0, v10.20.0
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy: `0 <= offset <= buf.length - 8`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeBigUInt64LE(value: bigint, offset?: number): number;
+            /**
+             * @alias Buffer.writeBigUInt64LE
+             * @since v14.10.0, v12.19.0
+             */
+            writeBigUint64LE(value: bigint, offset?: number): number;
+            /**
+             * Writes `byteLength` bytes of `value` to `buf` at the specified `offset`as little-endian. Supports up to 48 bits of accuracy. Behavior is undefined
+             * when `value` is anything other than an unsigned integer.
+             *
+             * This function is also available under the `writeUintLE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(6);
+             *
+             * buf.writeUIntLE(0x1234567890ab, 0, 6);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer ab 90 78 56 34 12>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param offset Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to write. Must satisfy `0 < byteLength <= 6`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUIntLE(value: number, offset: number, byteLength: number): number;
+            /**
+             * @alias Buffer.writeUIntLE
+             * @since v14.9.0, v12.19.0
+             */
+            writeUintLE(value: number, offset: number, byteLength: number): number;
+            /**
+             * Writes `byteLength` bytes of `value` to `buf` at the specified `offset`as big-endian. Supports up to 48 bits of accuracy. Behavior is undefined
+             * when `value` is anything other than an unsigned integer.
+             *
+             * This function is also available under the `writeUintBE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(6);
+             *
+             * buf.writeUIntBE(0x1234567890ab, 0, 6);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 12 34 56 78 90 ab>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param offset Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to write. Must satisfy `0 < byteLength <= 6`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUIntBE(value: number, offset: number, byteLength: number): number;
+            /**
+             * @alias Buffer.writeUIntBE
+             * @since v14.9.0, v12.19.0
+             */
+            writeUintBE(value: number, offset: number, byteLength: number): number;
+            /**
+             * Writes `byteLength` bytes of `value` to `buf` at the specified `offset`as little-endian. Supports up to 48 bits of accuracy. Behavior is undefined
+             * when `value` is anything other than a signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(6);
+             *
+             * buf.writeIntLE(0x1234567890ab, 0, 6);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer ab 90 78 56 34 12>
+             * ```
+             * @since v0.11.15
+             * @param value Number to be written to `buf`.
+             * @param offset Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to write. Must satisfy `0 < byteLength <= 6`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeIntLE(value: number, offset: number, byteLength: number): number;
+            /**
+             * Writes `byteLength` bytes of `value` to `buf` at the specified `offset`as big-endian. Supports up to 48 bits of accuracy. Behavior is undefined when`value` is anything other than a
+             * signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(6);
+             *
+             * buf.writeIntBE(0x1234567890ab, 0, 6);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 12 34 56 78 90 ab>
+             * ```
+             * @since v0.11.15
+             * @param value Number to be written to `buf`.
+             * @param offset Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to write. Must satisfy `0 < byteLength <= 6`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeIntBE(value: number, offset: number, byteLength: number): number;
+            /**
+             * Reads an unsigned, big-endian 64-bit integer from `buf` at the specified`offset`.
+             *
+             * This function is also available under the `readBigUint64BE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff]);
+             *
+             * console.log(buf.readBigUInt64BE(0));
+             * // Prints: 4294967295n
+             * ```
+             * @since v12.0.0, v10.20.0
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy: `0 <= offset <= buf.length - 8`.
+             */
+            readBigUInt64BE(offset?: number): bigint;
+            /**
+             * @alias Buffer.readBigUInt64BE
+             * @since v14.10.0, v12.19.0
+             */
+            readBigUint64BE(offset?: number): bigint;
+            /**
+             * Reads an unsigned, little-endian 64-bit integer from `buf` at the specified`offset`.
+             *
+             * This function is also available under the `readBigUint64LE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff]);
+             *
+             * console.log(buf.readBigUInt64LE(0));
+             * // Prints: 18446744069414584320n
+             * ```
+             * @since v12.0.0, v10.20.0
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy: `0 <= offset <= buf.length - 8`.
+             */
+            readBigUInt64LE(offset?: number): bigint;
+            /**
+             * @alias Buffer.readBigUInt64LE
+             * @since v14.10.0, v12.19.0
+             */
+            readBigUint64LE(offset?: number): bigint;
+            /**
+             * Reads a signed, big-endian 64-bit integer from `buf` at the specified `offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed
+             * values.
+             * @since v12.0.0, v10.20.0
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy: `0 <= offset <= buf.length - 8`.
+             */
+            readBigInt64BE(offset?: number): bigint;
+            /**
+             * Reads a signed, little-endian 64-bit integer from `buf` at the specified`offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed
+             * values.
+             * @since v12.0.0, v10.20.0
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy: `0 <= offset <= buf.length - 8`.
+             */
+            readBigInt64LE(offset?: number): bigint;
+            /**
+             * Reads `byteLength` number of bytes from `buf` at the specified `offset`and interprets the result as an unsigned, little-endian integer supporting
+             * up to 48 bits of accuracy.
+             *
+             * This function is also available under the `readUintLE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56, 0x78, 0x90, 0xab]);
+             *
+             * console.log(buf.readUIntLE(0, 6).toString(16));
+             * // Prints: ab9078563412
+             * ```
+             * @since v0.11.15
+             * @param offset Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to read. Must satisfy `0 < byteLength <= 6`.
+             */
+            readUIntLE(offset: number, byteLength: number): number;
+            /**
+             * @alias Buffer.readUIntLE
+             * @since v14.9.0, v12.19.0
+             */
+            readUintLE(offset: number, byteLength: number): number;
+            /**
+             * Reads `byteLength` number of bytes from `buf` at the specified `offset`and interprets the result as an unsigned big-endian integer supporting
+             * up to 48 bits of accuracy.
+             *
+             * This function is also available under the `readUintBE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56, 0x78, 0x90, 0xab]);
+             *
+             * console.log(buf.readUIntBE(0, 6).toString(16));
+             * // Prints: 1234567890ab
+             * console.log(buf.readUIntBE(1, 6).toString(16));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.11.15
+             * @param offset Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to read. Must satisfy `0 < byteLength <= 6`.
+             */
+            readUIntBE(offset: number, byteLength: number): number;
+            /**
+             * @alias Buffer.readUIntBE
+             * @since v14.9.0, v12.19.0
+             */
+            readUintBE(offset: number, byteLength: number): number;
+            /**
+             * Reads `byteLength` number of bytes from `buf` at the specified `offset`and interprets the result as a little-endian, two's complement signed value
+             * supporting up to 48 bits of accuracy.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56, 0x78, 0x90, 0xab]);
+             *
+             * console.log(buf.readIntLE(0, 6).toString(16));
+             * // Prints: -546f87a9cbee
+             * ```
+             * @since v0.11.15
+             * @param offset Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to read. Must satisfy `0 < byteLength <= 6`.
+             */
+            readIntLE(offset: number, byteLength: number): number;
+            /**
+             * Reads `byteLength` number of bytes from `buf` at the specified `offset`and interprets the result as a big-endian, two's complement signed value
+             * supporting up to 48 bits of accuracy.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56, 0x78, 0x90, 0xab]);
+             *
+             * console.log(buf.readIntBE(0, 6).toString(16));
+             * // Prints: 1234567890ab
+             * console.log(buf.readIntBE(1, 6).toString(16));
+             * // Throws ERR_OUT_OF_RANGE.
+             * console.log(buf.readIntBE(1, 0).toString(16));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.11.15
+             * @param offset Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to read. Must satisfy `0 < byteLength <= 6`.
+             */
+            readIntBE(offset: number, byteLength: number): number;
+            /**
+             * Reads an unsigned 8-bit integer from `buf` at the specified `offset`.
+             *
+             * This function is also available under the `readUint8` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([1, -2]);
+             *
+             * console.log(buf.readUInt8(0));
+             * // Prints: 1
+             * console.log(buf.readUInt8(1));
+             * // Prints: 254
+             * console.log(buf.readUInt8(2));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.5.0
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 1`.
+             */
+            readUInt8(offset?: number): number;
+            /**
+             * @alias Buffer.readUInt8
+             * @since v14.9.0, v12.19.0
+             */
+            readUint8(offset?: number): number;
+            /**
+             * Reads an unsigned, little-endian 16-bit integer from `buf` at the specified`offset`.
+             *
+             * This function is also available under the `readUint16LE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56]);
+             *
+             * console.log(buf.readUInt16LE(0).toString(16));
+             * // Prints: 3412
+             * console.log(buf.readUInt16LE(1).toString(16));
+             * // Prints: 5634
+             * console.log(buf.readUInt16LE(2).toString(16));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 2`.
+             */
+            readUInt16LE(offset?: number): number;
+            /**
+             * @alias Buffer.readUInt16LE
+             * @since v14.9.0, v12.19.0
+             */
+            readUint16LE(offset?: number): number;
+            /**
+             * Reads an unsigned, big-endian 16-bit integer from `buf` at the specified`offset`.
+             *
+             * This function is also available under the `readUint16BE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56]);
+             *
+             * console.log(buf.readUInt16BE(0).toString(16));
+             * // Prints: 1234
+             * console.log(buf.readUInt16BE(1).toString(16));
+             * // Prints: 3456
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 2`.
+             */
+            readUInt16BE(offset?: number): number;
+            /**
+             * @alias Buffer.readUInt16BE
+             * @since v14.9.0, v12.19.0
+             */
+            readUint16BE(offset?: number): number;
+            /**
+             * Reads an unsigned, little-endian 32-bit integer from `buf` at the specified`offset`.
+             *
+             * This function is also available under the `readUint32LE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56, 0x78]);
+             *
+             * console.log(buf.readUInt32LE(0).toString(16));
+             * // Prints: 78563412
+             * console.log(buf.readUInt32LE(1).toString(16));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 4`.
+             */
+            readUInt32LE(offset?: number): number;
+            /**
+             * @alias Buffer.readUInt32LE
+             * @since v14.9.0, v12.19.0
+             */
+            readUint32LE(offset?: number): number;
+            /**
+             * Reads an unsigned, big-endian 32-bit integer from `buf` at the specified`offset`.
+             *
+             * This function is also available under the `readUint32BE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56, 0x78]);
+             *
+             * console.log(buf.readUInt32BE(0).toString(16));
+             * // Prints: 12345678
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 4`.
+             */
+            readUInt32BE(offset?: number): number;
+            /**
+             * @alias Buffer.readUInt32BE
+             * @since v14.9.0, v12.19.0
+             */
+            readUint32BE(offset?: number): number;
+            /**
+             * Reads a signed 8-bit integer from `buf` at the specified `offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed values.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([-1, 5]);
+             *
+             * console.log(buf.readInt8(0));
+             * // Prints: -1
+             * console.log(buf.readInt8(1));
+             * // Prints: 5
+             * console.log(buf.readInt8(2));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.5.0
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 1`.
+             */
+            readInt8(offset?: number): number;
+            /**
+             * Reads a signed, little-endian 16-bit integer from `buf` at the specified`offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed values.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0, 5]);
+             *
+             * console.log(buf.readInt16LE(0));
+             * // Prints: 1280
+             * console.log(buf.readInt16LE(1));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 2`.
+             */
+            readInt16LE(offset?: number): number;
+            /**
+             * Reads a signed, big-endian 16-bit integer from `buf` at the specified `offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed values.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0, 5]);
+             *
+             * console.log(buf.readInt16BE(0));
+             * // Prints: 5
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 2`.
+             */
+            readInt16BE(offset?: number): number;
+            /**
+             * Reads a signed, little-endian 32-bit integer from `buf` at the specified`offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed values.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0, 0, 0, 5]);
+             *
+             * console.log(buf.readInt32LE(0));
+             * // Prints: 83886080
+             * console.log(buf.readInt32LE(1));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 4`.
+             */
+            readInt32LE(offset?: number): number;
+            /**
+             * Reads a signed, big-endian 32-bit integer from `buf` at the specified `offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed values.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0, 0, 0, 5]);
+             *
+             * console.log(buf.readInt32BE(0));
+             * // Prints: 5
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 4`.
+             */
+            readInt32BE(offset?: number): number;
+            /**
+             * Reads a 32-bit, little-endian float from `buf` at the specified `offset`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([1, 2, 3, 4]);
+             *
+             * console.log(buf.readFloatLE(0));
+             * // Prints: 1.539989614439558e-36
+             * console.log(buf.readFloatLE(1));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.11.15
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 4`.
+             */
+            readFloatLE(offset?: number): number;
+            /**
+             * Reads a 32-bit, big-endian float from `buf` at the specified `offset`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([1, 2, 3, 4]);
+             *
+             * console.log(buf.readFloatBE(0));
+             * // Prints: 2.387939260590663e-38
+             * ```
+             * @since v0.11.15
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 4`.
+             */
+            readFloatBE(offset?: number): number;
+            /**
+             * Reads a 64-bit, little-endian double from `buf` at the specified `offset`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8]);
+             *
+             * console.log(buf.readDoubleLE(0));
+             * // Prints: 5.447603722011605e-270
+             * console.log(buf.readDoubleLE(1));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.11.15
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 8`.
+             */
+            readDoubleLE(offset?: number): number;
+            /**
+             * Reads a 64-bit, big-endian double from `buf` at the specified `offset`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8]);
+             *
+             * console.log(buf.readDoubleBE(0));
+             * // Prints: 8.20788039913184e-304
+             * ```
+             * @since v0.11.15
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 8`.
+             */
+            readDoubleBE(offset?: number): number;
+            reverse(): this;
+            /**
+             * Interprets `buf` as an array of unsigned 16-bit integers and swaps the
+             * byte order _in-place_. Throws `ERR_INVALID_BUFFER_SIZE` if `buf.length` is not a multiple of 2.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from([0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8]);
+             *
+             * console.log(buf1);
+             * // Prints: <Buffer 01 02 03 04 05 06 07 08>
+             *
+             * buf1.swap16();
+             *
+             * console.log(buf1);
+             * // Prints: <Buffer 02 01 04 03 06 05 08 07>
+             *
+             * const buf2 = Buffer.from([0x1, 0x2, 0x3]);
+             *
+             * buf2.swap16();
+             * // Throws ERR_INVALID_BUFFER_SIZE.
+             * ```
+             *
+             * One convenient use of `buf.swap16()` is to perform a fast in-place conversion
+             * between UTF-16 little-endian and UTF-16 big-endian:
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('This is little-endian UTF-16', 'utf16le');
+             * buf.swap16(); // Convert to big-endian UTF-16 text.
+             * ```
+             * @since v5.10.0
+             * @return A reference to `buf`.
+             */
+            swap16(): Buffer;
+            /**
+             * Interprets `buf` as an array of unsigned 32-bit integers and swaps the
+             * byte order _in-place_. Throws `ERR_INVALID_BUFFER_SIZE` if `buf.length` is not a multiple of 4.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from([0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8]);
+             *
+             * console.log(buf1);
+             * // Prints: <Buffer 01 02 03 04 05 06 07 08>
+             *
+             * buf1.swap32();
+             *
+             * console.log(buf1);
+             * // Prints: <Buffer 04 03 02 01 08 07 06 05>
+             *
+             * const buf2 = Buffer.from([0x1, 0x2, 0x3]);
+             *
+             * buf2.swap32();
+             * // Throws ERR_INVALID_BUFFER_SIZE.
+             * ```
+             * @since v5.10.0
+             * @return A reference to `buf`.
+             */
+            swap32(): Buffer;
+            /**
+             * Interprets `buf` as an array of 64-bit numbers and swaps byte order _in-place_.
+             * Throws `ERR_INVALID_BUFFER_SIZE` if `buf.length` is not a multiple of 8.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from([0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8]);
+             *
+             * console.log(buf1);
+             * // Prints: <Buffer 01 02 03 04 05 06 07 08>
+             *
+             * buf1.swap64();
+             *
+             * console.log(buf1);
+             * // Prints: <Buffer 08 07 06 05 04 03 02 01>
+             *
+             * const buf2 = Buffer.from([0x1, 0x2, 0x3]);
+             *
+             * buf2.swap64();
+             * // Throws ERR_INVALID_BUFFER_SIZE.
+             * ```
+             * @since v6.3.0
+             * @return A reference to `buf`.
+             */
+            swap64(): Buffer;
+            /**
+             * Writes `value` to `buf` at the specified `offset`. `value` must be a
+             * valid unsigned 8-bit integer. Behavior is undefined when `value` is anything
+             * other than an unsigned 8-bit integer.
+             *
+             * This function is also available under the `writeUint8` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeUInt8(0x3, 0);
+             * buf.writeUInt8(0x4, 1);
+             * buf.writeUInt8(0x23, 2);
+             * buf.writeUInt8(0x42, 3);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 03 04 23 42>
+             * ```
+             * @since v0.5.0
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 1`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUInt8(value: number, offset?: number): number;
+            /**
+             * @alias Buffer.writeUInt8
+             * @since v14.9.0, v12.19.0
+             */
+            writeUint8(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian. The `value`must be a valid unsigned 16-bit integer. Behavior is undefined when `value` is
+             * anything other than an unsigned 16-bit integer.
+             *
+             * This function is also available under the `writeUint16LE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeUInt16LE(0xdead, 0);
+             * buf.writeUInt16LE(0xbeef, 2);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer ad de ef be>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 2`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUInt16LE(value: number, offset?: number): number;
+            /**
+             * @alias Buffer.writeUInt16LE
+             * @since v14.9.0, v12.19.0
+             */
+            writeUint16LE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian. The `value`must be a valid unsigned 16-bit integer. Behavior is undefined when `value`is anything other than an
+             * unsigned 16-bit integer.
+             *
+             * This function is also available under the `writeUint16BE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeUInt16BE(0xdead, 0);
+             * buf.writeUInt16BE(0xbeef, 2);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer de ad be ef>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 2`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUInt16BE(value: number, offset?: number): number;
+            /**
+             * @alias Buffer.writeUInt16BE
+             * @since v14.9.0, v12.19.0
+             */
+            writeUint16BE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian. The `value`must be a valid unsigned 32-bit integer. Behavior is undefined when `value` is
+             * anything other than an unsigned 32-bit integer.
+             *
+             * This function is also available under the `writeUint32LE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeUInt32LE(0xfeedface, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer ce fa ed fe>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 4`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUInt32LE(value: number, offset?: number): number;
+            /**
+             * @alias Buffer.writeUInt32LE
+             * @since v14.9.0, v12.19.0
+             */
+            writeUint32LE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian. The `value`must be a valid unsigned 32-bit integer. Behavior is undefined when `value`is anything other than an
+             * unsigned 32-bit integer.
+             *
+             * This function is also available under the `writeUint32BE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeUInt32BE(0xfeedface, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer fe ed fa ce>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 4`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUInt32BE(value: number, offset?: number): number;
+            /**
+             * @alias Buffer.writeUInt32BE
+             * @since v14.9.0, v12.19.0
+             */
+            writeUint32BE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset`. `value` must be a valid
+             * signed 8-bit integer. Behavior is undefined when `value` is anything other than
+             * a signed 8-bit integer.
+             *
+             * `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(2);
+             *
+             * buf.writeInt8(2, 0);
+             * buf.writeInt8(-2, 1);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 02 fe>
+             * ```
+             * @since v0.5.0
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 1`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeInt8(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian.  The `value`must be a valid signed 16-bit integer. Behavior is undefined when `value` is
+             * anything other than a signed 16-bit integer.
+             *
+             * The `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(2);
+             *
+             * buf.writeInt16LE(0x0304, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 04 03>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 2`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeInt16LE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian.  The `value`must be a valid signed 16-bit integer. Behavior is undefined when `value` is
+             * anything other than a signed 16-bit integer.
+             *
+             * The `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(2);
+             *
+             * buf.writeInt16BE(0x0102, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 01 02>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 2`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeInt16BE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian. The `value`must be a valid signed 32-bit integer. Behavior is undefined when `value` is
+             * anything other than a signed 32-bit integer.
+             *
+             * The `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeInt32LE(0x05060708, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 08 07 06 05>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 4`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeInt32LE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian. The `value`must be a valid signed 32-bit integer. Behavior is undefined when `value` is
+             * anything other than a signed 32-bit integer.
+             *
+             * The `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeInt32BE(0x01020304, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 01 02 03 04>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 4`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeInt32BE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian. Behavior is
+             * undefined when `value` is anything other than a JavaScript number.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeFloatLE(0xcafebabe, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer bb fe 4a 4f>
+             * ```
+             * @since v0.11.15
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 4`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeFloatLE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian. Behavior is
+             * undefined when `value` is anything other than a JavaScript number.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeFloatBE(0xcafebabe, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 4f 4a fe bb>
+             * ```
+             * @since v0.11.15
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 4`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeFloatBE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian. The `value`must be a JavaScript number. Behavior is undefined when `value` is anything
+             * other than a JavaScript number.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(8);
+             *
+             * buf.writeDoubleLE(123.456, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 77 be 9f 1a 2f dd 5e 40>
+             * ```
+             * @since v0.11.15
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 8`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeDoubleLE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian. The `value`must be a JavaScript number. Behavior is undefined when `value` is anything
+             * other than a JavaScript number.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(8);
+             *
+             * buf.writeDoubleBE(123.456, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 40 5e dd 2f 1a 9f be 77>
+             * ```
+             * @since v0.11.15
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 8`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeDoubleBE(value: number, offset?: number): number;
+            /**
+             * Fills `buf` with the specified `value`. If the `offset` and `end` are not given,
+             * the entire `buf` will be filled:
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Fill a `Buffer` with the ASCII character 'h'.
+             *
+             * const b = Buffer.allocUnsafe(50).fill('h');
+             *
+             * console.log(b.toString());
+             * // Prints: hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
+             * ```
+             *
+             * `value` is coerced to a `uint32` value if it is not a string, `Buffer`, or
+             * integer. If the resulting integer is greater than `255` (decimal), `buf` will be
+             * filled with `value &#x26; 255`.
+             *
+             * If the final write of a `fill()` operation falls on a multi-byte character,
+             * then only the bytes of that character that fit into `buf` are written:
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Fill a `Buffer` with character that takes up two bytes in UTF-8.
+             *
+             * console.log(Buffer.allocUnsafe(5).fill('\u0222'));
+             * // Prints: <Buffer c8 a2 c8 a2 c8>
+             * ```
+             *
+             * If `value` contains invalid characters, it is truncated; if no valid
+             * fill data remains, an exception is thrown:
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(5);
+             *
+             * console.log(buf.fill('a'));
+             * // Prints: <Buffer 61 61 61 61 61>
+             * console.log(buf.fill('aazz', 'hex'));
+             * // Prints: <Buffer aa aa aa aa aa>
+             * console.log(buf.fill('zz', 'hex'));
+             * // Throws an exception.
+             * ```
+             * @since v0.5.0
+             * @param value The value with which to fill `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to fill `buf`.
+             * @param [end=buf.length] Where to stop filling `buf` (not inclusive).
+             * @param [encoding='utf8'] The encoding for `value` if `value` is a string.
+             * @return A reference to `buf`.
+             */
+            fill(value: string | Uint8Array | number, offset?: number, end?: number, encoding?: BufferEncoding): this;
+            /**
+             * If `value` is:
+             *
+             * * a string, `value` is interpreted according to the character encoding in`encoding`.
+             * * a `Buffer` or [`Uint8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array), `value` will be used in its entirety.
+             * To compare a partial `Buffer`, use `buf.subarray`.
+             * * a number, `value` will be interpreted as an unsigned 8-bit integer
+             * value between `0` and `255`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('this is a buffer');
+             *
+             * console.log(buf.indexOf('this'));
+             * // Prints: 0
+             * console.log(buf.indexOf('is'));
+             * // Prints: 2
+             * console.log(buf.indexOf(Buffer.from('a buffer')));
+             * // Prints: 8
+             * console.log(buf.indexOf(97));
+             * // Prints: 8 (97 is the decimal ASCII value for 'a')
+             * console.log(buf.indexOf(Buffer.from('a buffer example')));
+             * // Prints: -1
+             * console.log(buf.indexOf(Buffer.from('a buffer example').slice(0, 8)));
+             * // Prints: 8
+             *
+             * const utf16Buffer = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'utf16le');
+             *
+             * console.log(utf16Buffer.indexOf('\u03a3', 0, 'utf16le'));
+             * // Prints: 4
+             * console.log(utf16Buffer.indexOf('\u03a3', -4, 'utf16le'));
+             * // Prints: 6
+             * ```
+             *
+             * If `value` is not a string, number, or `Buffer`, this method will throw a`TypeError`. If `value` is a number, it will be coerced to a valid byte value,
+             * an integer between 0 and 255.
+             *
+             * If `byteOffset` is not a number, it will be coerced to a number. If the result
+             * of coercion is `NaN` or `0`, then the entire buffer will be searched. This
+             * behavior matches [`String.prototype.indexOf()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/indexOf).
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const b = Buffer.from('abcdef');
+             *
+             * // Passing a value that's a number, but not a valid byte.
+             * // Prints: 2, equivalent to searching for 99 or 'c'.
+             * console.log(b.indexOf(99.9));
+             * console.log(b.indexOf(256 + 99));
+             *
+             * // Passing a byteOffset that coerces to NaN or 0.
+             * // Prints: 1, searching the whole buffer.
+             * console.log(b.indexOf('b', undefined));
+             * console.log(b.indexOf('b', {}));
+             * console.log(b.indexOf('b', null));
+             * console.log(b.indexOf('b', []));
+             * ```
+             *
+             * If `value` is an empty string or empty `Buffer` and `byteOffset` is less
+             * than `buf.length`, `byteOffset` will be returned. If `value` is empty and`byteOffset` is at least `buf.length`, `buf.length` will be returned.
+             * @since v1.5.0
+             * @param value What to search for.
+             * @param [byteOffset=0] Where to begin searching in `buf`. If negative, then offset is calculated from the end of `buf`.
+             * @param [encoding='utf8'] If `value` is a string, this is the encoding used to determine the binary representation of the string that will be searched for in `buf`.
+             * @return The index of the first occurrence of `value` in `buf`, or `-1` if `buf` does not contain `value`.
+             */
+            indexOf(value: string | number | Uint8Array, byteOffset?: number, encoding?: BufferEncoding): number;
+            /**
+             * Identical to `buf.indexOf()`, except the last occurrence of `value` is found
+             * rather than the first occurrence.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('this buffer is a buffer');
+             *
+             * console.log(buf.lastIndexOf('this'));
+             * // Prints: 0
+             * console.log(buf.lastIndexOf('buffer'));
+             * // Prints: 17
+             * console.log(buf.lastIndexOf(Buffer.from('buffer')));
+             * // Prints: 17
+             * console.log(buf.lastIndexOf(97));
+             * // Prints: 15 (97 is the decimal ASCII value for 'a')
+             * console.log(buf.lastIndexOf(Buffer.from('yolo')));
+             * // Prints: -1
+             * console.log(buf.lastIndexOf('buffer', 5));
+             * // Prints: 5
+             * console.log(buf.lastIndexOf('buffer', 4));
+             * // Prints: -1
+             *
+             * const utf16Buffer = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'utf16le');
+             *
+             * console.log(utf16Buffer.lastIndexOf('\u03a3', undefined, 'utf16le'));
+             * // Prints: 6
+             * console.log(utf16Buffer.lastIndexOf('\u03a3', -5, 'utf16le'));
+             * // Prints: 4
+             * ```
+             *
+             * If `value` is not a string, number, or `Buffer`, this method will throw a`TypeError`. If `value` is a number, it will be coerced to a valid byte value,
+             * an integer between 0 and 255.
+             *
+             * If `byteOffset` is not a number, it will be coerced to a number. Any arguments
+             * that coerce to `NaN`, like `{}` or `undefined`, will search the whole buffer.
+             * This behavior matches [`String.prototype.lastIndexOf()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/lastIndexOf).
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const b = Buffer.from('abcdef');
+             *
+             * // Passing a value that's a number, but not a valid byte.
+             * // Prints: 2, equivalent to searching for 99 or 'c'.
+             * console.log(b.lastIndexOf(99.9));
+             * console.log(b.lastIndexOf(256 + 99));
+             *
+             * // Passing a byteOffset that coerces to NaN.
+             * // Prints: 1, searching the whole buffer.
+             * console.log(b.lastIndexOf('b', undefined));
+             * console.log(b.lastIndexOf('b', {}));
+             *
+             * // Passing a byteOffset that coerces to 0.
+             * // Prints: -1, equivalent to passing 0.
+             * console.log(b.lastIndexOf('b', null));
+             * console.log(b.lastIndexOf('b', []));
+             * ```
+             *
+             * If `value` is an empty string or empty `Buffer`, `byteOffset` will be returned.
+             * @since v6.0.0
+             * @param value What to search for.
+             * @param [byteOffset=buf.length - 1] Where to begin searching in `buf`. If negative, then offset is calculated from the end of `buf`.
+             * @param [encoding='utf8'] If `value` is a string, this is the encoding used to determine the binary representation of the string that will be searched for in `buf`.
+             * @return The index of the last occurrence of `value` in `buf`, or `-1` if `buf` does not contain `value`.
+             */
+            lastIndexOf(value: string | number | Uint8Array, byteOffset?: number, encoding?: BufferEncoding): number;
+            /**
+             * Creates and returns an [iterator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols) of `[index, byte]` pairs from the contents
+             * of `buf`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Log the entire contents of a `Buffer`.
+             *
+             * const buf = Buffer.from('buffer');
+             *
+             * for (const pair of buf.entries()) {
+             *   console.log(pair);
+             * }
+             * // Prints:
+             * //   [0, 98]
+             * //   [1, 117]
+             * //   [2, 102]
+             * //   [3, 102]
+             * //   [4, 101]
+             * //   [5, 114]
+             * ```
+             * @since v1.1.0
+             */
+            entries(): IterableIterator<[number, number]>;
+            /**
+             * Equivalent to `buf.indexOf() !== -1`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('this is a buffer');
+             *
+             * console.log(buf.includes('this'));
+             * // Prints: true
+             * console.log(buf.includes('is'));
+             * // Prints: true
+             * console.log(buf.includes(Buffer.from('a buffer')));
+             * // Prints: true
+             * console.log(buf.includes(97));
+             * // Prints: true (97 is the decimal ASCII value for 'a')
+             * console.log(buf.includes(Buffer.from('a buffer example')));
+             * // Prints: false
+             * console.log(buf.includes(Buffer.from('a buffer example').slice(0, 8)));
+             * // Prints: true
+             * console.log(buf.includes('this', 4));
+             * // Prints: false
+             * ```
+             * @since v5.3.0
+             * @param value What to search for.
+             * @param [byteOffset=0] Where to begin searching in `buf`. If negative, then offset is calculated from the end of `buf`.
+             * @param [encoding='utf8'] If `value` is a string, this is its encoding.
+             * @return `true` if `value` was found in `buf`, `false` otherwise.
+             */
+            includes(value: string | number | Buffer, byteOffset?: number, encoding?: BufferEncoding): boolean;
+            /**
+             * Creates and returns an [iterator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols) of `buf` keys (indices).
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('buffer');
+             *
+             * for (const key of buf.keys()) {
+             *   console.log(key);
+             * }
+             * // Prints:
+             * //   0
+             * //   1
+             * //   2
+             * //   3
+             * //   4
+             * //   5
+             * ```
+             * @since v1.1.0
+             */
+            keys(): IterableIterator<number>;
+            /**
+             * Creates and returns an [iterator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols) for `buf` values (bytes). This function is
+             * called automatically when a `Buffer` is used in a `for..of` statement.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('buffer');
+             *
+             * for (const value of buf.values()) {
+             *   console.log(value);
+             * }
+             * // Prints:
+             * //   98
+             * //   117
+             * //   102
+             * //   102
+             * //   101
+             * //   114
+             *
+             * for (const value of buf) {
+             *   console.log(value);
+             * }
+             * // Prints:
+             * //   98
+             * //   117
+             * //   102
+             * //   102
+             * //   101
+             * //   114
+             * ```
+             * @since v1.1.0
+             */
+            values(): IterableIterator<number>;
+        }
+        var Buffer: BufferConstructor;
+        /**
+         * Decodes a string of Base64-encoded data into bytes, and encodes those bytes
+         * into a string using Latin-1 (ISO-8859-1).
+         *
+         * The `data` may be any JavaScript-value that can be coerced into a string.
+         *
+         * **This function is only provided for compatibility with legacy web platform APIs**
+         * **and should never be used in new code, because they use strings to represent**
+         * **binary data and predate the introduction of typed arrays in JavaScript.**
+         * **For code running using Node.js APIs, converting between base64-encoded strings**
+         * **and binary data should be performed using `Buffer.from(str, 'base64')` and`buf.toString('base64')`.**
+         * @since v15.13.0, v14.17.0
+         * @deprecated Use `Buffer.from(data, 'base64')` instead.
+         * @param data The Base64-encoded input string.
+         */
+        function atob(data: string): string;
+        /**
+         * Decodes a string into bytes using Latin-1 (ISO-8859), and encodes those bytes
+         * into a string using Base64.
+         *
+         * The `data` may be any JavaScript-value that can be coerced into a string.
+         *
+         * **This function is only provided for compatibility with legacy web platform APIs**
+         * **and should never be used in new code, because they use strings to represent**
+         * **binary data and predate the introduction of typed arrays in JavaScript.**
+         * **For code running using Node.js APIs, converting between base64-encoded strings**
+         * **and binary data should be performed using `Buffer.from(str, 'base64')` and`buf.toString('base64')`.**
+         * @since v15.13.0, v14.17.0
+         * @deprecated Use `buf.toString('base64')` instead.
+         * @param data An ASCII (Latin1) string.
+         */
+        function btoa(data: string): string;
+    }
+}
+declare module 'node:buffer' {
+    export * from 'buffer';
+}
diff --git a/node_modules/@types/node/child_process.d.ts b/node_modules/@types/node/child_process.d.ts
new file mode 100644
index 000000000..79c7290e0
--- /dev/null
+++ b/node_modules/@types/node/child_process.d.ts
@@ -0,0 +1,1369 @@
+/**
+ * The `child_process` module provides the ability to spawn subprocesses in
+ * a manner that is similar, but not identical, to [`popen(3)`](http://man7.org/linux/man-pages/man3/popen.3.html). This capability
+ * is primarily provided by the {@link spawn} function:
+ *
+ * ```js
+ * const { spawn } = require('child_process');
+ * const ls = spawn('ls', ['-lh', '/usr']);
+ *
+ * ls.stdout.on('data', (data) => {
+ *   console.log(`stdout: ${data}`);
+ * });
+ *
+ * ls.stderr.on('data', (data) => {
+ *   console.error(`stderr: ${data}`);
+ * });
+ *
+ * ls.on('close', (code) => {
+ *   console.log(`child process exited with code ${code}`);
+ * });
+ * ```
+ *
+ * By default, pipes for `stdin`, `stdout`, and `stderr` are established between
+ * the parent Node.js process and the spawned subprocess. These pipes have
+ * limited (and platform-specific) capacity. If the subprocess writes to
+ * stdout in excess of that limit without the output being captured, the
+ * subprocess blocks waiting for the pipe buffer to accept more data. This is
+ * identical to the behavior of pipes in the shell. Use the `{ stdio: 'ignore' }`option if the output will not be consumed.
+ *
+ * The command lookup is performed using the `options.env.PATH` environment
+ * variable if `env` is in the `options` object. Otherwise, `process.env.PATH` is
+ * used. If `options.env` is set without `PATH`, lookup on Unix is performed
+ * on a default search path search of `/usr/bin:/bin` (see your operating system's
+ * manual for execvpe/execvp), on Windows the current processes environment
+ * variable `PATH` is used.
+ *
+ * On Windows, environment variables are case-insensitive. Node.js
+ * lexicographically sorts the `env` keys and uses the first one that
+ * case-insensitively matches. Only first (in lexicographic order) entry will be
+ * passed to the subprocess. This might lead to issues on Windows when passing
+ * objects to the `env` option that have multiple variants of the same key, such as`PATH` and `Path`.
+ *
+ * The {@link spawn} method spawns the child process asynchronously,
+ * without blocking the Node.js event loop. The {@link spawnSync} function provides equivalent functionality in a synchronous manner that blocks
+ * the event loop until the spawned process either exits or is terminated.
+ *
+ * For convenience, the `child_process` module provides a handful of synchronous
+ * and asynchronous alternatives to {@link spawn} and {@link spawnSync}. Each of these alternatives are implemented on
+ * top of {@link spawn} or {@link spawnSync}.
+ *
+ * * {@link exec}: spawns a shell and runs a command within that
+ * shell, passing the `stdout` and `stderr` to a callback function when
+ * complete.
+ * * {@link execFile}: similar to {@link exec} except
+ * that it spawns the command directly without first spawning a shell by
+ * default.
+ * * {@link fork}: spawns a new Node.js process and invokes a
+ * specified module with an IPC communication channel established that allows
+ * sending messages between parent and child.
+ * * {@link execSync}: a synchronous version of {@link exec} that will block the Node.js event loop.
+ * * {@link execFileSync}: a synchronous version of {@link execFile} that will block the Node.js event loop.
+ *
+ * For certain use cases, such as automating shell scripts, the `synchronous counterparts` may be more convenient. In many cases, however,
+ * the synchronous methods can have significant impact on performance due to
+ * stalling the event loop while spawned processes complete.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/child_process.js)
+ */
+declare module 'child_process' {
+    import { ObjectEncodingOptions } from 'node:fs';
+    import { EventEmitter, Abortable } from 'node:events';
+    import * as net from 'node:net';
+    import { Writable, Readable, Stream, Pipe } from 'node:stream';
+    import { URL } from 'node:url';
+    type Serializable = string | object | number | boolean | bigint;
+    type SendHandle = net.Socket | net.Server;
+    /**
+     * Instances of the `ChildProcess` represent spawned child processes.
+     *
+     * Instances of `ChildProcess` are not intended to be created directly. Rather,
+     * use the {@link spawn}, {@link exec},{@link execFile}, or {@link fork} methods to create
+     * instances of `ChildProcess`.
+     * @since v2.2.0
+     */
+    class ChildProcess extends EventEmitter {
+        /**
+         * A `Writable Stream` that represents the child process's `stdin`.
+         *
+         * If a child process waits to read all of its input, the child will not continue
+         * until this stream has been closed via `end()`.
+         *
+         * If the child was spawned with `stdio[0]` set to anything other than `'pipe'`,
+         * then this will be `null`.
+         *
+         * `subprocess.stdin` is an alias for `subprocess.stdio[0]`. Both properties will
+         * refer to the same value.
+         *
+         * The `subprocess.stdin` property can be `undefined` if the child process could
+         * not be successfully spawned.
+         * @since v0.1.90
+         */
+        stdin: Writable | null;
+        /**
+         * A `Readable Stream` that represents the child process's `stdout`.
+         *
+         * If the child was spawned with `stdio[1]` set to anything other than `'pipe'`,
+         * then this will be `null`.
+         *
+         * `subprocess.stdout` is an alias for `subprocess.stdio[1]`. Both properties will
+         * refer to the same value.
+         *
+         * ```js
+         * const { spawn } = require('child_process');
+         *
+         * const subprocess = spawn('ls');
+         *
+         * subprocess.stdout.on('data', (data) => {
+         *   console.log(`Received chunk ${data}`);
+         * });
+         * ```
+         *
+         * The `subprocess.stdout` property can be `null` if the child process could
+         * not be successfully spawned.
+         * @since v0.1.90
+         */
+        stdout: Readable | null;
+        /**
+         * A `Readable Stream` that represents the child process's `stderr`.
+         *
+         * If the child was spawned with `stdio[2]` set to anything other than `'pipe'`,
+         * then this will be `null`.
+         *
+         * `subprocess.stderr` is an alias for `subprocess.stdio[2]`. Both properties will
+         * refer to the same value.
+         *
+         * The `subprocess.stderr` property can be `null` if the child process could
+         * not be successfully spawned.
+         * @since v0.1.90
+         */
+        stderr: Readable | null;
+        /**
+         * The `subprocess.channel` property is a reference to the child's IPC channel. If
+         * no IPC channel currently exists, this property is `undefined`.
+         * @since v7.1.0
+         */
+        readonly channel?: Pipe | null | undefined;
+        /**
+         * A sparse array of pipes to the child process, corresponding with positions in
+         * the `stdio` option passed to {@link spawn} that have been set
+         * to the value `'pipe'`. `subprocess.stdio[0]`, `subprocess.stdio[1]`, and`subprocess.stdio[2]` are also available as `subprocess.stdin`,`subprocess.stdout`, and `subprocess.stderr`,
+         * respectively.
+         *
+         * In the following example, only the child's fd `1` (stdout) is configured as a
+         * pipe, so only the parent's `subprocess.stdio[1]` is a stream, all other values
+         * in the array are `null`.
+         *
+         * ```js
+         * const assert = require('assert');
+         * const fs = require('fs');
+         * const child_process = require('child_process');
+         *
+         * const subprocess = child_process.spawn('ls', {
+         *   stdio: [
+         *     0, // Use parent's stdin for child.
+         *     'pipe', // Pipe child's stdout to parent.
+         *     fs.openSync('err.out', 'w'), // Direct child's stderr to a file.
+         *   ]
+         * });
+         *
+         * assert.strictEqual(subprocess.stdio[0], null);
+         * assert.strictEqual(subprocess.stdio[0], subprocess.stdin);
+         *
+         * assert(subprocess.stdout);
+         * assert.strictEqual(subprocess.stdio[1], subprocess.stdout);
+         *
+         * assert.strictEqual(subprocess.stdio[2], null);
+         * assert.strictEqual(subprocess.stdio[2], subprocess.stderr);
+         * ```
+         *
+         * The `subprocess.stdio` property can be `undefined` if the child process could
+         * not be successfully spawned.
+         * @since v0.7.10
+         */
+        readonly stdio: [
+            Writable | null,
+            // stdin
+            Readable | null,
+            // stdout
+            Readable | null,
+            // stderr
+            Readable | Writable | null | undefined,
+            // extra
+            Readable | Writable | null | undefined // extra
+        ];
+        /**
+         * The `subprocess.killed` property indicates whether the child process
+         * successfully received a signal from `subprocess.kill()`. The `killed` property
+         * does not indicate that the child process has been terminated.
+         * @since v0.5.10
+         */
+        readonly killed: boolean;
+        /**
+         * Returns the process identifier (PID) of the child process. If the child process
+         * fails to spawn due to errors, then the value is `undefined` and `error` is
+         * emitted.
+         *
+         * ```js
+         * const { spawn } = require('child_process');
+         * const grep = spawn('grep', ['ssh']);
+         *
+         * console.log(`Spawned child pid: ${grep.pid}`);
+         * grep.stdin.end();
+         * ```
+         * @since v0.1.90
+         */
+        readonly pid?: number | undefined;
+        /**
+         * The `subprocess.connected` property indicates whether it is still possible to
+         * send and receive messages from a child process. When `subprocess.connected` is`false`, it is no longer possible to send or receive messages.
+         * @since v0.7.2
+         */
+        readonly connected: boolean;
+        /**
+         * The `subprocess.exitCode` property indicates the exit code of the child process.
+         * If the child process is still running, the field will be `null`.
+         */
+        readonly exitCode: number | null;
+        /**
+         * The `subprocess.signalCode` property indicates the signal received by
+         * the child process if any, else `null`.
+         */
+        readonly signalCode: NodeJS.Signals | null;
+        /**
+         * The `subprocess.spawnargs` property represents the full list of command-line
+         * arguments the child process was launched with.
+         */
+        readonly spawnargs: string[];
+        /**
+         * The `subprocess.spawnfile` property indicates the executable file name of
+         * the child process that is launched.
+         *
+         * For {@link fork}, its value will be equal to `process.execPath`.
+         * For {@link spawn}, its value will be the name of
+         * the executable file.
+         * For {@link exec},  its value will be the name of the shell
+         * in which the child process is launched.
+         */
+        readonly spawnfile: string;
+        /**
+         * The `subprocess.kill()` method sends a signal to the child process. If no
+         * argument is given, the process will be sent the `'SIGTERM'` signal. See [`signal(7)`](http://man7.org/linux/man-pages/man7/signal.7.html) for a list of available signals. This function
+         * returns `true` if [`kill(2)`](http://man7.org/linux/man-pages/man2/kill.2.html) succeeds, and `false` otherwise.
+         *
+         * ```js
+         * const { spawn } = require('child_process');
+         * const grep = spawn('grep', ['ssh']);
+         *
+         * grep.on('close', (code, signal) => {
+         *   console.log(
+         *     `child process terminated due to receipt of signal ${signal}`);
+         * });
+         *
+         * // Send SIGHUP to process.
+         * grep.kill('SIGHUP');
+         * ```
+         *
+         * The `ChildProcess` object may emit an `'error'` event if the signal
+         * cannot be delivered. Sending a signal to a child process that has already exited
+         * is not an error but may have unforeseen consequences. Specifically, if the
+         * process identifier (PID) has been reassigned to another process, the signal will
+         * be delivered to that process instead which can have unexpected results.
+         *
+         * While the function is called `kill`, the signal delivered to the child process
+         * may not actually terminate the process.
+         *
+         * See [`kill(2)`](http://man7.org/linux/man-pages/man2/kill.2.html) for reference.
+         *
+         * On Windows, where POSIX signals do not exist, the `signal` argument will be
+         * ignored, and the process will be killed forcefully and abruptly (similar to`'SIGKILL'`).
+         * See `Signal Events` for more details.
+         *
+         * On Linux, child processes of child processes will not be terminated
+         * when attempting to kill their parent. This is likely to happen when running a
+         * new process in a shell or with the use of the `shell` option of `ChildProcess`:
+         *
+         * ```js
+         * 'use strict';
+         * const { spawn } = require('child_process');
+         *
+         * const subprocess = spawn(
+         *   'sh',
+         *   [
+         *     '-c',
+         *     `node -e "setInterval(() => {
+         *       console.log(process.pid, 'is alive')
+         *     }, 500);"`,
+         *   ], {
+         *     stdio: ['inherit', 'inherit', 'inherit']
+         *   }
+         * );
+         *
+         * setTimeout(() => {
+         *   subprocess.kill(); // Does not terminate the Node.js process in the shell.
+         * }, 2000);
+         * ```
+         * @since v0.1.90
+         */
+        kill(signal?: NodeJS.Signals | number): boolean;
+        /**
+         * When an IPC channel has been established between the parent and child (
+         * i.e. when using {@link fork}), the `subprocess.send()` method can
+         * be used to send messages to the child process. When the child process is a
+         * Node.js instance, these messages can be received via the `'message'` event.
+         *
+         * The message goes through serialization and parsing. The resulting
+         * message might not be the same as what is originally sent.
+         *
+         * For example, in the parent script:
+         *
+         * ```js
+         * const cp = require('child_process');
+         * const n = cp.fork(`${__dirname}/sub.js`);
+         *
+         * n.on('message', (m) => {
+         *   console.log('PARENT got message:', m);
+         * });
+         *
+         * // Causes the child to print: CHILD got message: { hello: 'world' }
+         * n.send({ hello: 'world' });
+         * ```
+         *
+         * And then the child script, `'sub.js'` might look like this:
+         *
+         * ```js
+         * process.on('message', (m) => {
+         *   console.log('CHILD got message:', m);
+         * });
+         *
+         * // Causes the parent to print: PARENT got message: { foo: 'bar', baz: null }
+         * process.send({ foo: 'bar', baz: NaN });
+         * ```
+         *
+         * Child Node.js processes will have a `process.send()` method of their own
+         * that allows the child to send messages back to the parent.
+         *
+         * There is a special case when sending a `{cmd: 'NODE_foo'}` message. Messages
+         * containing a `NODE_` prefix in the `cmd` property are reserved for use within
+         * Node.js core and will not be emitted in the child's `'message'` event. Rather, such messages are emitted using the`'internalMessage'` event and are consumed internally by Node.js.
+         * Applications should avoid using such messages or listening for`'internalMessage'` events as it is subject to change without notice.
+         *
+         * The optional `sendHandle` argument that may be passed to `subprocess.send()` is
+         * for passing a TCP server or socket object to the child process. The child will
+         * receive the object as the second argument passed to the callback function
+         * registered on the `'message'` event. Any data that is received
+         * and buffered in the socket will not be sent to the child.
+         *
+         * The optional `callback` is a function that is invoked after the message is
+         * sent but before the child may have received it. The function is called with a
+         * single argument: `null` on success, or an `Error` object on failure.
+         *
+         * If no `callback` function is provided and the message cannot be sent, an`'error'` event will be emitted by the `ChildProcess` object. This can
+         * happen, for instance, when the child process has already exited.
+         *
+         * `subprocess.send()` will return `false` if the channel has closed or when the
+         * backlog of unsent messages exceeds a threshold that makes it unwise to send
+         * more. Otherwise, the method returns `true`. The `callback` function can be
+         * used to implement flow control.
+         *
+         * #### Example: sending a server object
+         *
+         * The `sendHandle` argument can be used, for instance, to pass the handle of
+         * a TCP server object to the child process as illustrated in the example below:
+         *
+         * ```js
+         * const subprocess = require('child_process').fork('subprocess.js');
+         *
+         * // Open up the server object and send the handle.
+         * const server = require('net').createServer();
+         * server.on('connection', (socket) => {
+         *   socket.end('handled by parent');
+         * });
+         * server.listen(1337, () => {
+         *   subprocess.send('server', server);
+         * });
+         * ```
+         *
+         * The child would then receive the server object as:
+         *
+         * ```js
+         * process.on('message', (m, server) => {
+         *   if (m === 'server') {
+         *     server.on('connection', (socket) => {
+         *       socket.end('handled by child');
+         *     });
+         *   }
+         * });
+         * ```
+         *
+         * Once the server is now shared between the parent and child, some connections
+         * can be handled by the parent and some by the child.
+         *
+         * While the example above uses a server created using the `net` module, `dgram`module servers use exactly the same workflow with the exceptions of listening on
+         * a `'message'` event instead of `'connection'` and using `server.bind()` instead
+         * of `server.listen()`. This is, however, currently only supported on Unix
+         * platforms.
+         *
+         * #### Example: sending a socket object
+         *
+         * Similarly, the `sendHandler` argument can be used to pass the handle of a
+         * socket to the child process. The example below spawns two children that each
+         * handle connections with "normal" or "special" priority:
+         *
+         * ```js
+         * const { fork } = require('child_process');
+         * const normal = fork('subprocess.js', ['normal']);
+         * const special = fork('subprocess.js', ['special']);
+         *
+         * // Open up the server and send sockets to child. Use pauseOnConnect to prevent
+         * // the sockets from being read before they are sent to the child process.
+         * const server = require('net').createServer({ pauseOnConnect: true });
+         * server.on('connection', (socket) => {
+         *
+         *   // If this is special priority...
+         *   if (socket.remoteAddress === '74.125.127.100') {
+         *     special.send('socket', socket);
+         *     return;
+         *   }
+         *   // This is normal priority.
+         *   normal.send('socket', socket);
+         * });
+         * server.listen(1337);
+         * ```
+         *
+         * The `subprocess.js` would receive the socket handle as the second argument
+         * passed to the event callback function:
+         *
+         * ```js
+         * process.on('message', (m, socket) => {
+         *   if (m === 'socket') {
+         *     if (socket) {
+         *       // Check that the client socket exists.
+         *       // It is possible for the socket to be closed between the time it is
+         *       // sent and the time it is received in the child process.
+         *       socket.end(`Request handled with ${process.argv[2]} priority`);
+         *     }
+         *   }
+         * });
+         * ```
+         *
+         * Do not use `.maxConnections` on a socket that has been passed to a subprocess.
+         * The parent cannot track when the socket is destroyed.
+         *
+         * Any `'message'` handlers in the subprocess should verify that `socket` exists,
+         * as the connection may have been closed during the time it takes to send the
+         * connection to the child.
+         * @since v0.5.9
+         * @param options The `options` argument, if present, is an object used to parameterize the sending of certain types of handles. `options` supports the following properties:
+         */
+        send(message: Serializable, callback?: (error: Error | null) => void): boolean;
+        send(message: Serializable, sendHandle?: SendHandle, callback?: (error: Error | null) => void): boolean;
+        send(message: Serializable, sendHandle?: SendHandle, options?: MessageOptions, callback?: (error: Error | null) => void): boolean;
+        /**
+         * Closes the IPC channel between parent and child, allowing the child to exit
+         * gracefully once there are no other connections keeping it alive. After calling
+         * this method the `subprocess.connected` and `process.connected` properties in
+         * both the parent and child (respectively) will be set to `false`, and it will be
+         * no longer possible to pass messages between the processes.
+         *
+         * The `'disconnect'` event will be emitted when there are no messages in the
+         * process of being received. This will most often be triggered immediately after
+         * calling `subprocess.disconnect()`.
+         *
+         * When the child process is a Node.js instance (e.g. spawned using {@link fork}), the `process.disconnect()` method can be invoked
+         * within the child process to close the IPC channel as well.
+         * @since v0.7.2
+         */
+        disconnect(): void;
+        /**
+         * By default, the parent will wait for the detached child to exit. To prevent the
+         * parent from waiting for a given `subprocess` to exit, use the`subprocess.unref()` method. Doing so will cause the parent's event loop to not
+         * include the child in its reference count, allowing the parent to exit
+         * independently of the child, unless there is an established IPC channel between
+         * the child and the parent.
+         *
+         * ```js
+         * const { spawn } = require('child_process');
+         *
+         * const subprocess = spawn(process.argv[0], ['child_program.js'], {
+         *   detached: true,
+         *   stdio: 'ignore'
+         * });
+         *
+         * subprocess.unref();
+         * ```
+         * @since v0.7.10
+         */
+        unref(): void;
+        /**
+         * Calling `subprocess.ref()` after making a call to `subprocess.unref()` will
+         * restore the removed reference count for the child process, forcing the parent
+         * to wait for the child to exit before exiting itself.
+         *
+         * ```js
+         * const { spawn } = require('child_process');
+         *
+         * const subprocess = spawn(process.argv[0], ['child_program.js'], {
+         *   detached: true,
+         *   stdio: 'ignore'
+         * });
+         *
+         * subprocess.unref();
+         * subprocess.ref();
+         * ```
+         * @since v0.7.10
+         */
+        ref(): void;
+        /**
+         * events.EventEmitter
+         * 1. close
+         * 2. disconnect
+         * 3. error
+         * 4. exit
+         * 5. message
+         * 6. spawn
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        addListener(event: 'disconnect', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'exit', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        addListener(event: 'message', listener: (message: Serializable, sendHandle: SendHandle) => void): this;
+        addListener(event: 'spawn', listener: () => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'close', code: number | null, signal: NodeJS.Signals | null): boolean;
+        emit(event: 'disconnect'): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'exit', code: number | null, signal: NodeJS.Signals | null): boolean;
+        emit(event: 'message', message: Serializable, sendHandle: SendHandle): boolean;
+        emit(event: 'spawn', listener: () => void): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        on(event: 'disconnect', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'exit', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        on(event: 'message', listener: (message: Serializable, sendHandle: SendHandle) => void): this;
+        on(event: 'spawn', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        once(event: 'disconnect', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'exit', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        once(event: 'message', listener: (message: Serializable, sendHandle: SendHandle) => void): this;
+        once(event: 'spawn', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        prependListener(event: 'disconnect', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'exit', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        prependListener(event: 'message', listener: (message: Serializable, sendHandle: SendHandle) => void): this;
+        prependListener(event: 'spawn', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        prependOnceListener(event: 'disconnect', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'exit', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        prependOnceListener(event: 'message', listener: (message: Serializable, sendHandle: SendHandle) => void): this;
+        prependOnceListener(event: 'spawn', listener: () => void): this;
+    }
+    // return this object when stdio option is undefined or not specified
+    interface ChildProcessWithoutNullStreams extends ChildProcess {
+        stdin: Writable;
+        stdout: Readable;
+        stderr: Readable;
+        readonly stdio: [
+            Writable,
+            Readable,
+            Readable,
+            // stderr
+            Readable | Writable | null | undefined,
+            // extra, no modification
+            Readable | Writable | null | undefined // extra, no modification
+        ];
+    }
+    // return this object when stdio option is a tuple of 3
+    interface ChildProcessByStdio<I extends null | Writable, O extends null | Readable, E extends null | Readable> extends ChildProcess {
+        stdin: I;
+        stdout: O;
+        stderr: E;
+        readonly stdio: [
+            I,
+            O,
+            E,
+            Readable | Writable | null | undefined,
+            // extra, no modification
+            Readable | Writable | null | undefined // extra, no modification
+        ];
+    }
+    interface MessageOptions {
+        keepOpen?: boolean | undefined;
+    }
+    type IOType = 'overlapped' | 'pipe' | 'ignore' | 'inherit';
+    type StdioOptions = IOType | Array<IOType | 'ipc' | Stream | number | null | undefined>;
+    type SerializationType = 'json' | 'advanced';
+    interface MessagingOptions extends Abortable {
+        /**
+         * Specify the kind of serialization used for sending messages between processes.
+         * @default 'json'
+         */
+        serialization?: SerializationType | undefined;
+        /**
+         * The signal value to be used when the spawned process will be killed by the abort signal.
+         * @default 'SIGTERM'
+         */
+        killSignal?: NodeJS.Signals | number | undefined;
+        /**
+         * In milliseconds the maximum amount of time the process is allowed to run.
+         */
+        timeout?: number | undefined;
+    }
+    interface ProcessEnvOptions {
+        uid?: number | undefined;
+        gid?: number | undefined;
+        cwd?: string | URL | undefined;
+        env?: NodeJS.ProcessEnv | undefined;
+    }
+    interface CommonOptions extends ProcessEnvOptions {
+        /**
+         * @default true
+         */
+        windowsHide?: boolean | undefined;
+        /**
+         * @default 0
+         */
+        timeout?: number | undefined;
+    }
+    interface CommonSpawnOptions extends CommonOptions, MessagingOptions, Abortable {
+        argv0?: string | undefined;
+        stdio?: StdioOptions | undefined;
+        shell?: boolean | string | undefined;
+        windowsVerbatimArguments?: boolean | undefined;
+    }
+    interface SpawnOptions extends CommonSpawnOptions {
+        detached?: boolean | undefined;
+    }
+    interface SpawnOptionsWithoutStdio extends SpawnOptions {
+        stdio?: StdioPipeNamed | StdioPipe[] | undefined;
+    }
+    type StdioNull = 'inherit' | 'ignore' | Stream;
+    type StdioPipeNamed = 'pipe' | 'overlapped';
+    type StdioPipe = undefined | null | StdioPipeNamed;
+    interface SpawnOptionsWithStdioTuple<Stdin extends StdioNull | StdioPipe, Stdout extends StdioNull | StdioPipe, Stderr extends StdioNull | StdioPipe> extends SpawnOptions {
+        stdio: [Stdin, Stdout, Stderr];
+    }
+    /**
+     * The `child_process.spawn()` method spawns a new process using the given`command`, with command-line arguments in `args`. If omitted, `args` defaults
+     * to an empty array.
+     *
+     * **If the `shell` option is enabled, do not pass unsanitized user input to this**
+     * **function. Any input containing shell metacharacters may be used to trigger**
+     * **arbitrary command execution.**
+     *
+     * A third argument may be used to specify additional options, with these defaults:
+     *
+     * ```js
+     * const defaults = {
+     *   cwd: undefined,
+     *   env: process.env
+     * };
+     * ```
+     *
+     * Use `cwd` to specify the working directory from which the process is spawned.
+     * If not given, the default is to inherit the current working directory. If given,
+     * but the path does not exist, the child process emits an `ENOENT` error
+     * and exits immediately. `ENOENT` is also emitted when the command
+     * does not exist.
+     *
+     * Use `env` to specify environment variables that will be visible to the new
+     * process, the default is `process.env`.
+     *
+     * `undefined` values in `env` will be ignored.
+     *
+     * Example of running `ls -lh /usr`, capturing `stdout`, `stderr`, and the
+     * exit code:
+     *
+     * ```js
+     * const { spawn } = require('child_process');
+     * const ls = spawn('ls', ['-lh', '/usr']);
+     *
+     * ls.stdout.on('data', (data) => {
+     *   console.log(`stdout: ${data}`);
+     * });
+     *
+     * ls.stderr.on('data', (data) => {
+     *   console.error(`stderr: ${data}`);
+     * });
+     *
+     * ls.on('close', (code) => {
+     *   console.log(`child process exited with code ${code}`);
+     * });
+     * ```
+     *
+     * Example: A very elaborate way to run `ps ax | grep ssh`
+     *
+     * ```js
+     * const { spawn } = require('child_process');
+     * const ps = spawn('ps', ['ax']);
+     * const grep = spawn('grep', ['ssh']);
+     *
+     * ps.stdout.on('data', (data) => {
+     *   grep.stdin.write(data);
+     * });
+     *
+     * ps.stderr.on('data', (data) => {
+     *   console.error(`ps stderr: ${data}`);
+     * });
+     *
+     * ps.on('close', (code) => {
+     *   if (code !== 0) {
+     *     console.log(`ps process exited with code ${code}`);
+     *   }
+     *   grep.stdin.end();
+     * });
+     *
+     * grep.stdout.on('data', (data) => {
+     *   console.log(data.toString());
+     * });
+     *
+     * grep.stderr.on('data', (data) => {
+     *   console.error(`grep stderr: ${data}`);
+     * });
+     *
+     * grep.on('close', (code) => {
+     *   if (code !== 0) {
+     *     console.log(`grep process exited with code ${code}`);
+     *   }
+     * });
+     * ```
+     *
+     * Example of checking for failed `spawn`:
+     *
+     * ```js
+     * const { spawn } = require('child_process');
+     * const subprocess = spawn('bad_command');
+     *
+     * subprocess.on('error', (err) => {
+     *   console.error('Failed to start subprocess.');
+     * });
+     * ```
+     *
+     * Certain platforms (macOS, Linux) will use the value of `argv[0]` for the process
+     * title while others (Windows, SunOS) will use `command`.
+     *
+     * Node.js currently overwrites `argv[0]` with `process.execPath` on startup, so`process.argv[0]` in a Node.js child process will not match the `argv0`parameter passed to `spawn` from the parent,
+     * retrieve it with the`process.argv0` property instead.
+     *
+     * If the `signal` option is enabled, calling `.abort()` on the corresponding`AbortController` is similar to calling `.kill()` on the child process except
+     * the error passed to the callback will be an `AbortError`:
+     *
+     * ```js
+     * const { spawn } = require('child_process');
+     * const controller = new AbortController();
+     * const { signal } = controller;
+     * const grep = spawn('grep', ['ssh'], { signal });
+     * grep.on('error', (err) => {
+     *   // This will be called with err being an AbortError if the controller aborts
+     * });
+     * controller.abort(); // Stops the child process
+     * ```
+     * @since v0.1.90
+     * @param command The command to run.
+     * @param args List of string arguments.
+     */
+    function spawn(command: string, options?: SpawnOptionsWithoutStdio): ChildProcessWithoutNullStreams;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioPipe, StdioPipe>): ChildProcessByStdio<Writable, Readable, Readable>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioPipe, StdioNull>): ChildProcessByStdio<Writable, Readable, null>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioNull, StdioPipe>): ChildProcessByStdio<Writable, null, Readable>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioNull, StdioPipe, StdioPipe>): ChildProcessByStdio<null, Readable, Readable>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioNull, StdioNull>): ChildProcessByStdio<Writable, null, null>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioNull, StdioPipe, StdioNull>): ChildProcessByStdio<null, Readable, null>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioNull, StdioNull, StdioPipe>): ChildProcessByStdio<null, null, Readable>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioNull, StdioNull, StdioNull>): ChildProcessByStdio<null, null, null>;
+    function spawn(command: string, options: SpawnOptions): ChildProcess;
+    // overloads of spawn with 'args'
+    function spawn(command: string, args?: ReadonlyArray<string>, options?: SpawnOptionsWithoutStdio): ChildProcessWithoutNullStreams;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioPipe, StdioPipe>): ChildProcessByStdio<Writable, Readable, Readable>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioPipe, StdioNull>): ChildProcessByStdio<Writable, Readable, null>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioNull, StdioPipe>): ChildProcessByStdio<Writable, null, Readable>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioNull, StdioPipe, StdioPipe>): ChildProcessByStdio<null, Readable, Readable>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioNull, StdioNull>): ChildProcessByStdio<Writable, null, null>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioNull, StdioPipe, StdioNull>): ChildProcessByStdio<null, Readable, null>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioNull, StdioNull, StdioPipe>): ChildProcessByStdio<null, null, Readable>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioNull, StdioNull, StdioNull>): ChildProcessByStdio<null, null, null>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptions): ChildProcess;
+    interface ExecOptions extends CommonOptions {
+        shell?: string | undefined;
+        signal?: AbortSignal | undefined;
+        maxBuffer?: number | undefined;
+        killSignal?: NodeJS.Signals | number | undefined;
+    }
+    interface ExecOptionsWithStringEncoding extends ExecOptions {
+        encoding: BufferEncoding;
+    }
+    interface ExecOptionsWithBufferEncoding extends ExecOptions {
+        encoding: BufferEncoding | null; // specify `null`.
+    }
+    interface ExecException extends Error {
+        cmd?: string | undefined;
+        killed?: boolean | undefined;
+        code?: number | undefined;
+        signal?: NodeJS.Signals | undefined;
+    }
+    /**
+     * Spawns a shell then executes the `command` within that shell, buffering any
+     * generated output. The `command` string passed to the exec function is processed
+     * directly by the shell and special characters (vary based on [shell](https://en.wikipedia.org/wiki/List_of_command-line_interpreters))
+     * need to be dealt with accordingly:
+     *
+     * ```js
+     * const { exec } = require('child_process');
+     *
+     * exec('"/path/to/test file/test.sh" arg1 arg2');
+     * // Double quotes are used so that the space in the path is not interpreted as
+     * // a delimiter of multiple arguments.
+     *
+     * exec('echo "The \\$HOME variable is $HOME"');
+     * // The $HOME variable is escaped in the first instance, but not in the second.
+     * ```
+     *
+     * **Never pass unsanitized user input to this function. Any input containing shell**
+     * **metacharacters may be used to trigger arbitrary command execution.**
+     *
+     * If a `callback` function is provided, it is called with the arguments`(error, stdout, stderr)`. On success, `error` will be `null`. On error,`error` will be an instance of `Error`. The
+     * `error.code` property will be
+     * the exit code of the process. By convention, any exit code other than `0`indicates an error. `error.signal` will be the signal that terminated the
+     * process.
+     *
+     * The `stdout` and `stderr` arguments passed to the callback will contain the
+     * stdout and stderr output of the child process. By default, Node.js will decode
+     * the output as UTF-8 and pass strings to the callback. The `encoding` option
+     * can be used to specify the character encoding used to decode the stdout and
+     * stderr output. If `encoding` is `'buffer'`, or an unrecognized character
+     * encoding, `Buffer` objects will be passed to the callback instead.
+     *
+     * ```js
+     * const { exec } = require('child_process');
+     * exec('cat *.js missing_file | wc -l', (error, stdout, stderr) => {
+     *   if (error) {
+     *     console.error(`exec error: ${error}`);
+     *     return;
+     *   }
+     *   console.log(`stdout: ${stdout}`);
+     *   console.error(`stderr: ${stderr}`);
+     * });
+     * ```
+     *
+     * If `timeout` is greater than `0`, the parent will send the signal
+     * identified by the `killSignal` property (the default is `'SIGTERM'`) if the
+     * child runs longer than `timeout` milliseconds.
+     *
+     * Unlike the [`exec(3)`](http://man7.org/linux/man-pages/man3/exec.3.html) POSIX system call, `child_process.exec()` does not replace
+     * the existing process and uses a shell to execute the command.
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns
+     * a `Promise` for an `Object` with `stdout` and `stderr` properties. The returned`ChildProcess` instance is attached to the `Promise` as a `child` property. In
+     * case of an error (including any error resulting in an exit code other than 0), a
+     * rejected promise is returned, with the same `error` object given in the
+     * callback, but with two additional properties `stdout` and `stderr`.
+     *
+     * ```js
+     * const util = require('util');
+     * const exec = util.promisify(require('child_process').exec);
+     *
+     * async function lsExample() {
+     *   const { stdout, stderr } = await exec('ls');
+     *   console.log('stdout:', stdout);
+     *   console.error('stderr:', stderr);
+     * }
+     * lsExample();
+     * ```
+     *
+     * If the `signal` option is enabled, calling `.abort()` on the corresponding`AbortController` is similar to calling `.kill()` on the child process except
+     * the error passed to the callback will be an `AbortError`:
+     *
+     * ```js
+     * const { exec } = require('child_process');
+     * const controller = new AbortController();
+     * const { signal } = controller;
+     * const child = exec('grep ssh', { signal }, (error) => {
+     *   console.log(error); // an AbortError
+     * });
+     * controller.abort();
+     * ```
+     * @since v0.1.90
+     * @param command The command to run, with space-separated arguments.
+     * @param callback called with the output when process terminates.
+     */
+    function exec(command: string, callback?: (error: ExecException | null, stdout: string, stderr: string) => void): ChildProcess;
+    // `options` with `"buffer"` or `null` for `encoding` means stdout/stderr are definitely `Buffer`.
+    function exec(
+        command: string,
+        options: {
+            encoding: 'buffer' | null;
+        } & ExecOptions,
+        callback?: (error: ExecException | null, stdout: Buffer, stderr: Buffer) => void
+    ): ChildProcess;
+    // `options` with well known `encoding` means stdout/stderr are definitely `string`.
+    function exec(
+        command: string,
+        options: {
+            encoding: BufferEncoding;
+        } & ExecOptions,
+        callback?: (error: ExecException | null, stdout: string, stderr: string) => void
+    ): ChildProcess;
+    // `options` with an `encoding` whose type is `string` means stdout/stderr could either be `Buffer` or `string`.
+    // There is no guarantee the `encoding` is unknown as `string` is a superset of `BufferEncoding`.
+    function exec(
+        command: string,
+        options: {
+            encoding: BufferEncoding;
+        } & ExecOptions,
+        callback?: (error: ExecException | null, stdout: string | Buffer, stderr: string | Buffer) => void
+    ): ChildProcess;
+    // `options` without an `encoding` means stdout/stderr are definitely `string`.
+    function exec(command: string, options: ExecOptions, callback?: (error: ExecException | null, stdout: string, stderr: string) => void): ChildProcess;
+    // fallback if nothing else matches. Worst case is always `string | Buffer`.
+    function exec(
+        command: string,
+        options: (ObjectEncodingOptions & ExecOptions) | undefined | null,
+        callback?: (error: ExecException | null, stdout: string | Buffer, stderr: string | Buffer) => void
+    ): ChildProcess;
+    interface PromiseWithChild<T> extends Promise<T> {
+        child: ChildProcess;
+    }
+    namespace exec {
+        function __promisify__(command: string): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            command: string,
+            options: {
+                encoding: 'buffer' | null;
+            } & ExecOptions
+        ): PromiseWithChild<{
+            stdout: Buffer;
+            stderr: Buffer;
+        }>;
+        function __promisify__(
+            command: string,
+            options: {
+                encoding: BufferEncoding;
+            } & ExecOptions
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            command: string,
+            options: ExecOptions
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            command: string,
+            options?: (ObjectEncodingOptions & ExecOptions) | null
+        ): PromiseWithChild<{
+            stdout: string | Buffer;
+            stderr: string | Buffer;
+        }>;
+    }
+    interface ExecFileOptions extends CommonOptions, Abortable {
+        maxBuffer?: number | undefined;
+        killSignal?: NodeJS.Signals | number | undefined;
+        windowsVerbatimArguments?: boolean | undefined;
+        shell?: boolean | string | undefined;
+        signal?: AbortSignal | undefined;
+    }
+    interface ExecFileOptionsWithStringEncoding extends ExecFileOptions {
+        encoding: BufferEncoding;
+    }
+    interface ExecFileOptionsWithBufferEncoding extends ExecFileOptions {
+        encoding: 'buffer' | null;
+    }
+    interface ExecFileOptionsWithOtherEncoding extends ExecFileOptions {
+        encoding: BufferEncoding;
+    }
+    type ExecFileException = ExecException & NodeJS.ErrnoException;
+    /**
+     * The `child_process.execFile()` function is similar to {@link exec} except that it does not spawn a shell by default. Rather, the specified
+     * executable `file` is spawned directly as a new process making it slightly more
+     * efficient than {@link exec}.
+     *
+     * The same options as {@link exec} are supported. Since a shell is
+     * not spawned, behaviors such as I/O redirection and file globbing are not
+     * supported.
+     *
+     * ```js
+     * const { execFile } = require('child_process');
+     * const child = execFile('node', ['--version'], (error, stdout, stderr) => {
+     *   if (error) {
+     *     throw error;
+     *   }
+     *   console.log(stdout);
+     * });
+     * ```
+     *
+     * The `stdout` and `stderr` arguments passed to the callback will contain the
+     * stdout and stderr output of the child process. By default, Node.js will decode
+     * the output as UTF-8 and pass strings to the callback. The `encoding` option
+     * can be used to specify the character encoding used to decode the stdout and
+     * stderr output. If `encoding` is `'buffer'`, or an unrecognized character
+     * encoding, `Buffer` objects will be passed to the callback instead.
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns
+     * a `Promise` for an `Object` with `stdout` and `stderr` properties. The returned`ChildProcess` instance is attached to the `Promise` as a `child` property. In
+     * case of an error (including any error resulting in an exit code other than 0), a
+     * rejected promise is returned, with the same `error` object given in the
+     * callback, but with two additional properties `stdout` and `stderr`.
+     *
+     * ```js
+     * const util = require('util');
+     * const execFile = util.promisify(require('child_process').execFile);
+     * async function getVersion() {
+     *   const { stdout } = await execFile('node', ['--version']);
+     *   console.log(stdout);
+     * }
+     * getVersion();
+     * ```
+     *
+     * **If the `shell` option is enabled, do not pass unsanitized user input to this**
+     * **function. Any input containing shell metacharacters may be used to trigger**
+     * **arbitrary command execution.**
+     *
+     * If the `signal` option is enabled, calling `.abort()` on the corresponding`AbortController` is similar to calling `.kill()` on the child process except
+     * the error passed to the callback will be an `AbortError`:
+     *
+     * ```js
+     * const { execFile } = require('child_process');
+     * const controller = new AbortController();
+     * const { signal } = controller;
+     * const child = execFile('node', ['--version'], { signal }, (error) => {
+     *   console.log(error); // an AbortError
+     * });
+     * controller.abort();
+     * ```
+     * @since v0.1.91
+     * @param file The name or path of the executable file to run.
+     * @param args List of string arguments.
+     * @param callback Called with the output when process terminates.
+     */
+    function execFile(file: string): ChildProcess;
+    function execFile(file: string, options: (ObjectEncodingOptions & ExecFileOptions) | undefined | null): ChildProcess;
+    function execFile(file: string, args?: ReadonlyArray<string> | null): ChildProcess;
+    function execFile(file: string, args: ReadonlyArray<string> | undefined | null, options: (ObjectEncodingOptions & ExecFileOptions) | undefined | null): ChildProcess;
+    // no `options` definitely means stdout/stderr are `string`.
+    function execFile(file: string, callback: (error: ExecFileException | null, stdout: string, stderr: string) => void): ChildProcess;
+    function execFile(file: string, args: ReadonlyArray<string> | undefined | null, callback: (error: ExecFileException | null, stdout: string, stderr: string) => void): ChildProcess;
+    // `options` with `"buffer"` or `null` for `encoding` means stdout/stderr are definitely `Buffer`.
+    function execFile(file: string, options: ExecFileOptionsWithBufferEncoding, callback: (error: ExecFileException | null, stdout: Buffer, stderr: Buffer) => void): ChildProcess;
+    function execFile(
+        file: string,
+        args: ReadonlyArray<string> | undefined | null,
+        options: ExecFileOptionsWithBufferEncoding,
+        callback: (error: ExecFileException | null, stdout: Buffer, stderr: Buffer) => void
+    ): ChildProcess;
+    // `options` with well known `encoding` means stdout/stderr are definitely `string`.
+    function execFile(file: string, options: ExecFileOptionsWithStringEncoding, callback: (error: ExecFileException | null, stdout: string, stderr: string) => void): ChildProcess;
+    function execFile(
+        file: string,
+        args: ReadonlyArray<string> | undefined | null,
+        options: ExecFileOptionsWithStringEncoding,
+        callback: (error: ExecFileException | null, stdout: string, stderr: string) => void
+    ): ChildProcess;
+    // `options` with an `encoding` whose type is `string` means stdout/stderr could either be `Buffer` or `string`.
+    // There is no guarantee the `encoding` is unknown as `string` is a superset of `BufferEncoding`.
+    function execFile(file: string, options: ExecFileOptionsWithOtherEncoding, callback: (error: ExecFileException | null, stdout: string | Buffer, stderr: string | Buffer) => void): ChildProcess;
+    function execFile(
+        file: string,
+        args: ReadonlyArray<string> | undefined | null,
+        options: ExecFileOptionsWithOtherEncoding,
+        callback: (error: ExecFileException | null, stdout: string | Buffer, stderr: string | Buffer) => void
+    ): ChildProcess;
+    // `options` without an `encoding` means stdout/stderr are definitely `string`.
+    function execFile(file: string, options: ExecFileOptions, callback: (error: ExecFileException | null, stdout: string, stderr: string) => void): ChildProcess;
+    function execFile(
+        file: string,
+        args: ReadonlyArray<string> | undefined | null,
+        options: ExecFileOptions,
+        callback: (error: ExecFileException | null, stdout: string, stderr: string) => void
+    ): ChildProcess;
+    // fallback if nothing else matches. Worst case is always `string | Buffer`.
+    function execFile(
+        file: string,
+        options: (ObjectEncodingOptions & ExecFileOptions) | undefined | null,
+        callback: ((error: ExecFileException | null, stdout: string | Buffer, stderr: string | Buffer) => void) | undefined | null
+    ): ChildProcess;
+    function execFile(
+        file: string,
+        args: ReadonlyArray<string> | undefined | null,
+        options: (ObjectEncodingOptions & ExecFileOptions) | undefined | null,
+        callback: ((error: ExecFileException | null, stdout: string | Buffer, stderr: string | Buffer) => void) | undefined | null
+    ): ChildProcess;
+    namespace execFile {
+        function __promisify__(file: string): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            file: string,
+            args: ReadonlyArray<string> | undefined | null
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            file: string,
+            options: ExecFileOptionsWithBufferEncoding
+        ): PromiseWithChild<{
+            stdout: Buffer;
+            stderr: Buffer;
+        }>;
+        function __promisify__(
+            file: string,
+            args: ReadonlyArray<string> | undefined | null,
+            options: ExecFileOptionsWithBufferEncoding
+        ): PromiseWithChild<{
+            stdout: Buffer;
+            stderr: Buffer;
+        }>;
+        function __promisify__(
+            file: string,
+            options: ExecFileOptionsWithStringEncoding
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            file: string,
+            args: ReadonlyArray<string> | undefined | null,
+            options: ExecFileOptionsWithStringEncoding
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            file: string,
+            options: ExecFileOptionsWithOtherEncoding
+        ): PromiseWithChild<{
+            stdout: string | Buffer;
+            stderr: string | Buffer;
+        }>;
+        function __promisify__(
+            file: string,
+            args: ReadonlyArray<string> | undefined | null,
+            options: ExecFileOptionsWithOtherEncoding
+        ): PromiseWithChild<{
+            stdout: string | Buffer;
+            stderr: string | Buffer;
+        }>;
+        function __promisify__(
+            file: string,
+            options: ExecFileOptions
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            file: string,
+            args: ReadonlyArray<string> | undefined | null,
+            options: ExecFileOptions
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            file: string,
+            options: (ObjectEncodingOptions & ExecFileOptions) | undefined | null
+        ): PromiseWithChild<{
+            stdout: string | Buffer;
+            stderr: string | Buffer;
+        }>;
+        function __promisify__(
+            file: string,
+            args: ReadonlyArray<string> | undefined | null,
+            options: (ObjectEncodingOptions & ExecFileOptions) | undefined | null
+        ): PromiseWithChild<{
+            stdout: string | Buffer;
+            stderr: string | Buffer;
+        }>;
+    }
+    interface ForkOptions extends ProcessEnvOptions, MessagingOptions, Abortable {
+        execPath?: string | undefined;
+        execArgv?: string[] | undefined;
+        silent?: boolean | undefined;
+        stdio?: StdioOptions | undefined;
+        detached?: boolean | undefined;
+        windowsVerbatimArguments?: boolean | undefined;
+    }
+    /**
+     * The `child_process.fork()` method is a special case of {@link spawn} used specifically to spawn new Node.js processes.
+     * Like {@link spawn}, a `ChildProcess` object is returned. The
+     * returned `ChildProcess` will have an additional communication channel
+     * built-in that allows messages to be passed back and forth between the parent and
+     * child. See `subprocess.send()` for details.
+     *
+     * Keep in mind that spawned Node.js child processes are
+     * independent of the parent with exception of the IPC communication channel
+     * that is established between the two. Each process has its own memory, with
+     * their own V8 instances. Because of the additional resource allocations
+     * required, spawning a large number of child Node.js processes is not
+     * recommended.
+     *
+     * By default, `child_process.fork()` will spawn new Node.js instances using the `process.execPath` of the parent process. The `execPath` property in the`options` object allows for an alternative
+     * execution path to be used.
+     *
+     * Node.js processes launched with a custom `execPath` will communicate with the
+     * parent process using the file descriptor (fd) identified using the
+     * environment variable `NODE_CHANNEL_FD` on the child process.
+     *
+     * Unlike the [`fork(2)`](http://man7.org/linux/man-pages/man2/fork.2.html) POSIX system call, `child_process.fork()` does not clone the
+     * current process.
+     *
+     * The `shell` option available in {@link spawn} is not supported by`child_process.fork()` and will be ignored if set.
+     *
+     * If the `signal` option is enabled, calling `.abort()` on the corresponding`AbortController` is similar to calling `.kill()` on the child process except
+     * the error passed to the callback will be an `AbortError`:
+     *
+     * ```js
+     * if (process.argv[2] === 'child') {
+     *   setTimeout(() => {
+     *     console.log(`Hello from ${process.argv[2]}!`);
+     *   }, 1_000);
+     * } else {
+     *   const { fork } = require('child_process');
+     *   const controller = new AbortController();
+     *   const { signal } = controller;
+     *   const child = fork(__filename, ['child'], { signal });
+     *   child.on('error', (err) => {
+     *     // This will be called with err being an AbortError if the controller aborts
+     *   });
+     *   controller.abort(); // Stops the child process
+     * }
+     * ```
+     * @since v0.5.0
+     * @param modulePath The module to run in the child.
+     * @param args List of string arguments.
+     */
+    function fork(modulePath: string, options?: ForkOptions): ChildProcess;
+    function fork(modulePath: string, args?: ReadonlyArray<string>, options?: ForkOptions): ChildProcess;
+    interface SpawnSyncOptions extends CommonSpawnOptions {
+        input?: string | NodeJS.ArrayBufferView | undefined;
+        maxBuffer?: number | undefined;
+        encoding?: BufferEncoding | 'buffer' | null | undefined;
+    }
+    interface SpawnSyncOptionsWithStringEncoding extends SpawnSyncOptions {
+        encoding: BufferEncoding;
+    }
+    interface SpawnSyncOptionsWithBufferEncoding extends SpawnSyncOptions {
+        encoding?: 'buffer' | null | undefined;
+    }
+    interface SpawnSyncReturns<T> {
+        pid: number;
+        output: Array<T | null>;
+        stdout: T;
+        stderr: T;
+        status: number | null;
+        signal: NodeJS.Signals | null;
+        error?: Error | undefined;
+    }
+    /**
+     * The `child_process.spawnSync()` method is generally identical to {@link spawn} with the exception that the function will not return
+     * until the child process has fully closed. When a timeout has been encountered
+     * and `killSignal` is sent, the method won't return until the process has
+     * completely exited. If the process intercepts and handles the `SIGTERM` signal
+     * and doesn't exit, the parent process will wait until the child process has
+     * exited.
+     *
+     * **If the `shell` option is enabled, do not pass unsanitized user input to this**
+     * **function. Any input containing shell metacharacters may be used to trigger**
+     * **arbitrary command execution.**
+     * @since v0.11.12
+     * @param command The command to run.
+     * @param args List of string arguments.
+     */
+    function spawnSync(command: string): SpawnSyncReturns<Buffer>;
+    function spawnSync(command: string, options: SpawnSyncOptionsWithStringEncoding): SpawnSyncReturns<string>;
+    function spawnSync(command: string, options: SpawnSyncOptionsWithBufferEncoding): SpawnSyncReturns<Buffer>;
+    function spawnSync(command: string, options?: SpawnSyncOptions): SpawnSyncReturns<string | Buffer>;
+    function spawnSync(command: string, args: ReadonlyArray<string>): SpawnSyncReturns<Buffer>;
+    function spawnSync(command: string, args: ReadonlyArray<string>, options: SpawnSyncOptionsWithStringEncoding): SpawnSyncReturns<string>;
+    function spawnSync(command: string, args: ReadonlyArray<string>, options: SpawnSyncOptionsWithBufferEncoding): SpawnSyncReturns<Buffer>;
+    function spawnSync(command: string, args?: ReadonlyArray<string>, options?: SpawnSyncOptions): SpawnSyncReturns<string | Buffer>;
+    interface CommonExecOptions extends CommonOptions {
+        input?: string | NodeJS.ArrayBufferView | undefined;
+        stdio?: StdioOptions | undefined;
+        killSignal?: NodeJS.Signals | number | undefined;
+        maxBuffer?: number | undefined;
+        encoding?: BufferEncoding | 'buffer' | null | undefined;
+    }
+    interface ExecSyncOptions extends CommonExecOptions {
+        shell?: string | undefined;
+    }
+    interface ExecSyncOptionsWithStringEncoding extends ExecSyncOptions {
+        encoding: BufferEncoding;
+    }
+    interface ExecSyncOptionsWithBufferEncoding extends ExecSyncOptions {
+        encoding?: 'buffer' | null | undefined;
+    }
+    /**
+     * The `child_process.execSync()` method is generally identical to {@link exec} with the exception that the method will not return
+     * until the child process has fully closed. When a timeout has been encountered
+     * and `killSignal` is sent, the method won't return until the process has
+     * completely exited. If the child process intercepts and handles the `SIGTERM`signal and doesn't exit, the parent process will wait until the child process
+     * has exited.
+     *
+     * If the process times out or has a non-zero exit code, this method will throw.
+     * The `Error` object will contain the entire result from {@link spawnSync}.
+     *
+     * **Never pass unsanitized user input to this function. Any input containing shell**
+     * **metacharacters may be used to trigger arbitrary command execution.**
+     * @since v0.11.12
+     * @param command The command to run.
+     * @return The stdout from the command.
+     */
+    function execSync(command: string): Buffer;
+    function execSync(command: string, options: ExecSyncOptionsWithStringEncoding): string;
+    function execSync(command: string, options: ExecSyncOptionsWithBufferEncoding): Buffer;
+    function execSync(command: string, options?: ExecSyncOptions): string | Buffer;
+    interface ExecFileSyncOptions extends CommonExecOptions {
+        shell?: boolean | string | undefined;
+    }
+    interface ExecFileSyncOptionsWithStringEncoding extends ExecFileSyncOptions {
+        encoding: BufferEncoding;
+    }
+    interface ExecFileSyncOptionsWithBufferEncoding extends ExecFileSyncOptions {
+        encoding?: 'buffer' | null; // specify `null`.
+    }
+    /**
+     * The `child_process.execFileSync()` method is generally identical to {@link execFile} with the exception that the method will not
+     * return until the child process has fully closed. When a timeout has been
+     * encountered and `killSignal` is sent, the method won't return until the process
+     * has completely exited.
+     *
+     * If the child process intercepts and handles the `SIGTERM` signal and
+     * does not exit, the parent process will still wait until the child process has
+     * exited.
+     *
+     * If the process times out or has a non-zero exit code, this method will throw an `Error` that will include the full result of the underlying {@link spawnSync}.
+     *
+     * **If the `shell` option is enabled, do not pass unsanitized user input to this**
+     * **function. Any input containing shell metacharacters may be used to trigger**
+     * **arbitrary command execution.**
+     * @since v0.11.12
+     * @param file The name or path of the executable file to run.
+     * @param args List of string arguments.
+     * @return The stdout from the command.
+     */
+    function execFileSync(file: string): Buffer;
+    function execFileSync(file: string, options: ExecFileSyncOptionsWithStringEncoding): string;
+    function execFileSync(file: string, options: ExecFileSyncOptionsWithBufferEncoding): Buffer;
+    function execFileSync(file: string, options?: ExecFileSyncOptions): string | Buffer;
+    function execFileSync(file: string, args: ReadonlyArray<string>): Buffer;
+    function execFileSync(file: string, args: ReadonlyArray<string>, options: ExecFileSyncOptionsWithStringEncoding): string;
+    function execFileSync(file: string, args: ReadonlyArray<string>, options: ExecFileSyncOptionsWithBufferEncoding): Buffer;
+    function execFileSync(file: string, args?: ReadonlyArray<string>, options?: ExecFileSyncOptions): string | Buffer;
+}
+declare module 'node:child_process' {
+    export * from 'child_process';
+}
diff --git a/node_modules/@types/node/cluster.d.ts b/node_modules/@types/node/cluster.d.ts
new file mode 100644
index 000000000..37dbc5746
--- /dev/null
+++ b/node_modules/@types/node/cluster.d.ts
@@ -0,0 +1,410 @@
+/**
+ * Clusters of Node.js processes can be used to run multiple instances of Node.js
+ * that can distribute workloads among their application threads. When process
+ * isolation is not needed, use the `worker_threads` module instead, which
+ * allows running multiple application threads within a single Node.js instance.
+ *
+ * The cluster module allows easy creation of child processes that all share
+ * server ports.
+ *
+ * ```js
+ * import cluster from 'cluster';
+ * import http from 'http';
+ * import { cpus } from 'os';
+ * import process from 'process';
+ *
+ * const numCPUs = cpus().length;
+ *
+ * if (cluster.isPrimary) {
+ *   console.log(`Primary ${process.pid} is running`);
+ *
+ *   // Fork workers.
+ *   for (let i = 0; i < numCPUs; i++) {
+ *     cluster.fork();
+ *   }
+ *
+ *   cluster.on('exit', (worker, code, signal) => {
+ *     console.log(`worker ${worker.process.pid} died`);
+ *   });
+ * } else {
+ *   // Workers can share any TCP connection
+ *   // In this case it is an HTTP server
+ *   http.createServer((req, res) => {
+ *     res.writeHead(200);
+ *     res.end('hello world\n');
+ *   }).listen(8000);
+ *
+ *   console.log(`Worker ${process.pid} started`);
+ * }
+ * ```
+ *
+ * Running Node.js will now share port 8000 between the workers:
+ *
+ * ```console
+ * $ node server.js
+ * Primary 3596 is running
+ * Worker 4324 started
+ * Worker 4520 started
+ * Worker 6056 started
+ * Worker 5644 started
+ * ```
+ *
+ * On Windows, it is not yet possible to set up a named pipe server in a worker.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/cluster.js)
+ */
+declare module 'cluster' {
+    import * as child from 'node:child_process';
+    import EventEmitter = require('node:events');
+    import * as net from 'node:net';
+    export interface ClusterSettings {
+        execArgv?: string[] | undefined; // default: process.execArgv
+        exec?: string | undefined;
+        args?: string[] | undefined;
+        silent?: boolean | undefined;
+        stdio?: any[] | undefined;
+        uid?: number | undefined;
+        gid?: number | undefined;
+        inspectPort?: number | (() => number) | undefined;
+    }
+    export interface Address {
+        address: string;
+        port: number;
+        addressType: number | 'udp4' | 'udp6'; // 4, 6, -1, "udp4", "udp6"
+    }
+    /**
+     * A `Worker` object contains all public information and method about a worker.
+     * In the primary it can be obtained using `cluster.workers`. In a worker
+     * it can be obtained using `cluster.worker`.
+     * @since v0.7.0
+     */
+    export class Worker extends EventEmitter {
+        /**
+         * Each new worker is given its own unique id, this id is stored in the`id`.
+         *
+         * While a worker is alive, this is the key that indexes it in`cluster.workers`.
+         * @since v0.8.0
+         */
+        id: number;
+        /**
+         * All workers are created using `child_process.fork()`, the returned object
+         * from this function is stored as `.process`. In a worker, the global `process`is stored.
+         *
+         * See: `Child Process module`.
+         *
+         * Workers will call `process.exit(0)` if the `'disconnect'` event occurs
+         * on `process` and `.exitedAfterDisconnect` is not `true`. This protects against
+         * accidental disconnection.
+         * @since v0.7.0
+         */
+        process: child.ChildProcess;
+        /**
+         * Send a message to a worker or primary, optionally with a handle.
+         *
+         * In the primary, this sends a message to a specific worker. It is identical to `ChildProcess.send()`.
+         *
+         * In a worker, this sends a message to the primary. It is identical to`process.send()`.
+         *
+         * This example will echo back all messages from the primary:
+         *
+         * ```js
+         * if (cluster.isPrimary) {
+         *   const worker = cluster.fork();
+         *   worker.send('hi there');
+         *
+         * } else if (cluster.isWorker) {
+         *   process.on('message', (msg) => {
+         *     process.send(msg);
+         *   });
+         * }
+         * ```
+         * @since v0.7.0
+         * @param options The `options` argument, if present, is an object used to parameterize the sending of certain types of handles. `options` supports the following properties:
+         */
+        send(message: child.Serializable, callback?: (error: Error | null) => void): boolean;
+        send(message: child.Serializable, sendHandle: child.SendHandle, callback?: (error: Error | null) => void): boolean;
+        send(message: child.Serializable, sendHandle: child.SendHandle, options?: child.MessageOptions, callback?: (error: Error | null) => void): boolean;
+        /**
+         * This function will kill the worker. In the primary worker, it does this by
+         * disconnecting the `worker.process`, and once disconnected, killing with`signal`. In the worker, it does it by killing the process with `signal`.
+         *
+         * The `kill()` function kills the worker process without waiting for a graceful
+         * disconnect, it has the same behavior as `worker.process.kill()`.
+         *
+         * This method is aliased as `worker.destroy()` for backwards compatibility.
+         *
+         * In a worker, `process.kill()` exists, but it is not this function;
+         * it is `kill()`.
+         * @since v0.9.12
+         * @param [signal='SIGTERM'] Name of the kill signal to send to the worker process.
+         */
+        kill(signal?: string): void;
+        destroy(signal?: string): void;
+        /**
+         * In a worker, this function will close all servers, wait for the `'close'` event
+         * on those servers, and then disconnect the IPC channel.
+         *
+         * In the primary, an internal message is sent to the worker causing it to call`.disconnect()` on itself.
+         *
+         * Causes `.exitedAfterDisconnect` to be set.
+         *
+         * After a server is closed, it will no longer accept new connections,
+         * but connections may be accepted by any other listening worker. Existing
+         * connections will be allowed to close as usual. When no more connections exist,
+         * see `server.close()`, the IPC channel to the worker will close allowing it
+         * to die gracefully.
+         *
+         * The above applies _only_ to server connections, client connections are not
+         * automatically closed by workers, and disconnect does not wait for them to close
+         * before exiting.
+         *
+         * In a worker, `process.disconnect` exists, but it is not this function;
+         * it is `disconnect()`.
+         *
+         * Because long living server connections may block workers from disconnecting, it
+         * may be useful to send a message, so application specific actions may be taken to
+         * close them. It also may be useful to implement a timeout, killing a worker if
+         * the `'disconnect'` event has not been emitted after some time.
+         *
+         * ```js
+         * if (cluster.isPrimary) {
+         *   const worker = cluster.fork();
+         *   let timeout;
+         *
+         *   worker.on('listening', (address) => {
+         *     worker.send('shutdown');
+         *     worker.disconnect();
+         *     timeout = setTimeout(() => {
+         *       worker.kill();
+         *     }, 2000);
+         *   });
+         *
+         *   worker.on('disconnect', () => {
+         *     clearTimeout(timeout);
+         *   });
+         *
+         * } else if (cluster.isWorker) {
+         *   const net = require('net');
+         *   const server = net.createServer((socket) => {
+         *     // Connections never end
+         *   });
+         *
+         *   server.listen(8000);
+         *
+         *   process.on('message', (msg) => {
+         *     if (msg === 'shutdown') {
+         *       // Initiate graceful close of any connections to server
+         *     }
+         *   });
+         * }
+         * ```
+         * @since v0.7.7
+         * @return A reference to `worker`.
+         */
+        disconnect(): void;
+        /**
+         * This function returns `true` if the worker is connected to its primary via its
+         * IPC channel, `false` otherwise. A worker is connected to its primary after it
+         * has been created. It is disconnected after the `'disconnect'` event is emitted.
+         * @since v0.11.14
+         */
+        isConnected(): boolean;
+        /**
+         * This function returns `true` if the worker's process has terminated (either
+         * because of exiting or being signaled). Otherwise, it returns `false`.
+         *
+         * ```js
+         * import cluster from 'cluster';
+         * import http from 'http';
+         * import { cpus } from 'os';
+         * import process from 'process';
+         *
+         * const numCPUs = cpus().length;
+         *
+         * if (cluster.isPrimary) {
+         *   console.log(`Primary ${process.pid} is running`);
+         *
+         *   // Fork workers.
+         *   for (let i = 0; i < numCPUs; i++) {
+         *     cluster.fork();
+         *   }
+         *
+         *   cluster.on('fork', (worker) => {
+         *     console.log('worker is dead:', worker.isDead());
+         *   });
+         *
+         *   cluster.on('exit', (worker, code, signal) => {
+         *     console.log('worker is dead:', worker.isDead());
+         *   });
+         * } else {
+         *   // Workers can share any TCP connection. In this case, it is an HTTP server.
+         *   http.createServer((req, res) => {
+         *     res.writeHead(200);
+         *     res.end(`Current process\n ${process.pid}`);
+         *     process.kill(process.pid);
+         *   }).listen(8000);
+         * }
+         * ```
+         * @since v0.11.14
+         */
+        isDead(): boolean;
+        /**
+         * This property is `true` if the worker exited due to `.disconnect()`.
+         * If the worker exited any other way, it is `false`. If the
+         * worker has not exited, it is `undefined`.
+         *
+         * The boolean `worker.exitedAfterDisconnect` allows distinguishing between
+         * voluntary and accidental exit, the primary may choose not to respawn a worker
+         * based on this value.
+         *
+         * ```js
+         * cluster.on('exit', (worker, code, signal) => {
+         *   if (worker.exitedAfterDisconnect === true) {
+         *     console.log('Oh, it was just voluntary – no need to worry');
+         *   }
+         * });
+         *
+         * // kill worker
+         * worker.kill();
+         * ```
+         * @since v6.0.0
+         */
+        exitedAfterDisconnect: boolean;
+        /**
+         * events.EventEmitter
+         *   1. disconnect
+         *   2. error
+         *   3. exit
+         *   4. listening
+         *   5. message
+         *   6. online
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'disconnect', listener: () => void): this;
+        addListener(event: 'error', listener: (error: Error) => void): this;
+        addListener(event: 'exit', listener: (code: number, signal: string) => void): this;
+        addListener(event: 'listening', listener: (address: Address) => void): this;
+        addListener(event: 'message', listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        addListener(event: 'online', listener: () => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'disconnect'): boolean;
+        emit(event: 'error', error: Error): boolean;
+        emit(event: 'exit', code: number, signal: string): boolean;
+        emit(event: 'listening', address: Address): boolean;
+        emit(event: 'message', message: any, handle: net.Socket | net.Server): boolean;
+        emit(event: 'online'): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'disconnect', listener: () => void): this;
+        on(event: 'error', listener: (error: Error) => void): this;
+        on(event: 'exit', listener: (code: number, signal: string) => void): this;
+        on(event: 'listening', listener: (address: Address) => void): this;
+        on(event: 'message', listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        on(event: 'online', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'disconnect', listener: () => void): this;
+        once(event: 'error', listener: (error: Error) => void): this;
+        once(event: 'exit', listener: (code: number, signal: string) => void): this;
+        once(event: 'listening', listener: (address: Address) => void): this;
+        once(event: 'message', listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        once(event: 'online', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'disconnect', listener: () => void): this;
+        prependListener(event: 'error', listener: (error: Error) => void): this;
+        prependListener(event: 'exit', listener: (code: number, signal: string) => void): this;
+        prependListener(event: 'listening', listener: (address: Address) => void): this;
+        prependListener(event: 'message', listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        prependListener(event: 'online', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'disconnect', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (error: Error) => void): this;
+        prependOnceListener(event: 'exit', listener: (code: number, signal: string) => void): this;
+        prependOnceListener(event: 'listening', listener: (address: Address) => void): this;
+        prependOnceListener(event: 'message', listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        prependOnceListener(event: 'online', listener: () => void): this;
+    }
+    export interface Cluster extends EventEmitter {
+        disconnect(callback?: () => void): void;
+        fork(env?: any): Worker;
+        /** @deprecated since v16.0.0 - use isPrimary. */
+        readonly isMaster: boolean;
+        readonly isPrimary: boolean;
+        readonly isWorker: boolean;
+        schedulingPolicy: number;
+        readonly settings: ClusterSettings;
+        /** @deprecated since v16.0.0 - use setupPrimary. */
+        setupMaster(settings?: ClusterSettings): void;
+        /**
+         * `setupPrimary` is used to change the default 'fork' behavior. Once called, the settings will be present in cluster.settings.
+         */
+        setupPrimary(settings?: ClusterSettings): void;
+        readonly worker?: Worker | undefined;
+        readonly workers?: NodeJS.Dict<Worker> | undefined;
+        readonly SCHED_NONE: number;
+        readonly SCHED_RR: number;
+        /**
+         * events.EventEmitter
+         *   1. disconnect
+         *   2. exit
+         *   3. fork
+         *   4. listening
+         *   5. message
+         *   6. online
+         *   7. setup
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'disconnect', listener: (worker: Worker) => void): this;
+        addListener(event: 'exit', listener: (worker: Worker, code: number, signal: string) => void): this;
+        addListener(event: 'fork', listener: (worker: Worker) => void): this;
+        addListener(event: 'listening', listener: (worker: Worker, address: Address) => void): this;
+        addListener(event: 'message', listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        addListener(event: 'online', listener: (worker: Worker) => void): this;
+        addListener(event: 'setup', listener: (settings: ClusterSettings) => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'disconnect', worker: Worker): boolean;
+        emit(event: 'exit', worker: Worker, code: number, signal: string): boolean;
+        emit(event: 'fork', worker: Worker): boolean;
+        emit(event: 'listening', worker: Worker, address: Address): boolean;
+        emit(event: 'message', worker: Worker, message: any, handle: net.Socket | net.Server): boolean;
+        emit(event: 'online', worker: Worker): boolean;
+        emit(event: 'setup', settings: ClusterSettings): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'disconnect', listener: (worker: Worker) => void): this;
+        on(event: 'exit', listener: (worker: Worker, code: number, signal: string) => void): this;
+        on(event: 'fork', listener: (worker: Worker) => void): this;
+        on(event: 'listening', listener: (worker: Worker, address: Address) => void): this;
+        on(event: 'message', listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        on(event: 'online', listener: (worker: Worker) => void): this;
+        on(event: 'setup', listener: (settings: ClusterSettings) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'disconnect', listener: (worker: Worker) => void): this;
+        once(event: 'exit', listener: (worker: Worker, code: number, signal: string) => void): this;
+        once(event: 'fork', listener: (worker: Worker) => void): this;
+        once(event: 'listening', listener: (worker: Worker, address: Address) => void): this;
+        once(event: 'message', listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        once(event: 'online', listener: (worker: Worker) => void): this;
+        once(event: 'setup', listener: (settings: ClusterSettings) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'disconnect', listener: (worker: Worker) => void): this;
+        prependListener(event: 'exit', listener: (worker: Worker, code: number, signal: string) => void): this;
+        prependListener(event: 'fork', listener: (worker: Worker) => void): this;
+        prependListener(event: 'listening', listener: (worker: Worker, address: Address) => void): this;
+        // the handle is a net.Socket or net.Server object, or undefined.
+        prependListener(event: 'message', listener: (worker: Worker, message: any, handle?: net.Socket | net.Server) => void): this;
+        prependListener(event: 'online', listener: (worker: Worker) => void): this;
+        prependListener(event: 'setup', listener: (settings: ClusterSettings) => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'disconnect', listener: (worker: Worker) => void): this;
+        prependOnceListener(event: 'exit', listener: (worker: Worker, code: number, signal: string) => void): this;
+        prependOnceListener(event: 'fork', listener: (worker: Worker) => void): this;
+        prependOnceListener(event: 'listening', listener: (worker: Worker, address: Address) => void): this;
+        // the handle is a net.Socket or net.Server object, or undefined.
+        prependOnceListener(event: 'message', listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): this;
+        prependOnceListener(event: 'online', listener: (worker: Worker) => void): this;
+        prependOnceListener(event: 'setup', listener: (settings: ClusterSettings) => void): this;
+    }
+    const cluster: Cluster;
+    export default cluster;
+}
+declare module 'node:cluster' {
+    export * from 'cluster';
+    export { default as default } from 'cluster';
+}
diff --git a/node_modules/@types/node/console.d.ts b/node_modules/@types/node/console.d.ts
new file mode 100644
index 000000000..16c9137ad
--- /dev/null
+++ b/node_modules/@types/node/console.d.ts
@@ -0,0 +1,412 @@
+/**
+ * The `console` module provides a simple debugging console that is similar to the
+ * JavaScript console mechanism provided by web browsers.
+ *
+ * The module exports two specific components:
+ *
+ * * A `Console` class with methods such as `console.log()`, `console.error()` and`console.warn()` that can be used to write to any Node.js stream.
+ * * A global `console` instance configured to write to `process.stdout` and `process.stderr`. The global `console` can be used without calling`require('console')`.
+ *
+ * _**Warning**_: The global console object's methods are neither consistently
+ * synchronous like the browser APIs they resemble, nor are they consistently
+ * asynchronous like all other Node.js streams. See the `note on process I/O` for
+ * more information.
+ *
+ * Example using the global `console`:
+ *
+ * ```js
+ * console.log('hello world');
+ * // Prints: hello world, to stdout
+ * console.log('hello %s', 'world');
+ * // Prints: hello world, to stdout
+ * console.error(new Error('Whoops, something bad happened'));
+ * // Prints error message and stack trace to stderr:
+ * //   Error: Whoops, something bad happened
+ * //     at [eval]:5:15
+ * //     at Script.runInThisContext (node:vm:132:18)
+ * //     at Object.runInThisContext (node:vm:309:38)
+ * //     at node:internal/process/execution:77:19
+ * //     at [eval]-wrapper:6:22
+ * //     at evalScript (node:internal/process/execution:76:60)
+ * //     at node:internal/main/eval_string:23:3
+ *
+ * const name = 'Will Robinson';
+ * console.warn(`Danger ${name}! Danger!`);
+ * // Prints: Danger Will Robinson! Danger!, to stderr
+ * ```
+ *
+ * Example using the `Console` class:
+ *
+ * ```js
+ * const out = getStreamSomehow();
+ * const err = getStreamSomehow();
+ * const myConsole = new console.Console(out, err);
+ *
+ * myConsole.log('hello world');
+ * // Prints: hello world, to out
+ * myConsole.log('hello %s', 'world');
+ * // Prints: hello world, to out
+ * myConsole.error(new Error('Whoops, something bad happened'));
+ * // Prints: [Error: Whoops, something bad happened], to err
+ *
+ * const name = 'Will Robinson';
+ * myConsole.warn(`Danger ${name}! Danger!`);
+ * // Prints: Danger Will Robinson! Danger!, to err
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/console.js)
+ */
+declare module 'console' {
+    import console = require('node:console');
+    export = console;
+}
+declare module 'node:console' {
+    import { InspectOptions } from 'node:util';
+    global {
+        // This needs to be global to avoid TS2403 in case lib.dom.d.ts is present in the same build
+        interface Console {
+            Console: console.ConsoleConstructor;
+            /**
+             * `console.assert()` writes a message if `value` is [falsy](https://developer.mozilla.org/en-US/docs/Glossary/Falsy) or omitted. It only
+             * writes a message and does not otherwise affect execution. The output always
+             * starts with `"Assertion failed"`. If provided, `message` is formatted using `util.format()`.
+             *
+             * If `value` is [truthy](https://developer.mozilla.org/en-US/docs/Glossary/Truthy), nothing happens.
+             *
+             * ```js
+             * console.assert(true, 'does nothing');
+             *
+             * console.assert(false, 'Whoops %s work', 'didn\'t');
+             * // Assertion failed: Whoops didn't work
+             *
+             * console.assert();
+             * // Assertion failed
+             * ```
+             * @since v0.1.101
+             * @param value The value tested for being truthy.
+             * @param message All arguments besides `value` are used as error message.
+             */
+            assert(value: any, message?: string, ...optionalParams: any[]): void;
+            /**
+             * When `stdout` is a TTY, calling `console.clear()` will attempt to clear the
+             * TTY. When `stdout` is not a TTY, this method does nothing.
+             *
+             * The specific operation of `console.clear()` can vary across operating systems
+             * and terminal types. For most Linux operating systems, `console.clear()`operates similarly to the `clear` shell command. On Windows, `console.clear()`will clear only the output in the
+             * current terminal viewport for the Node.js
+             * binary.
+             * @since v8.3.0
+             */
+            clear(): void;
+            /**
+             * Maintains an internal counter specific to `label` and outputs to `stdout` the
+             * number of times `console.count()` has been called with the given `label`.
+             *
+             * ```js
+             * > console.count()
+             * default: 1
+             * undefined
+             * > console.count('default')
+             * default: 2
+             * undefined
+             * > console.count('abc')
+             * abc: 1
+             * undefined
+             * > console.count('xyz')
+             * xyz: 1
+             * undefined
+             * > console.count('abc')
+             * abc: 2
+             * undefined
+             * > console.count()
+             * default: 3
+             * undefined
+             * >
+             * ```
+             * @since v8.3.0
+             * @param label The display label for the counter.
+             */
+            count(label?: string): void;
+            /**
+             * Resets the internal counter specific to `label`.
+             *
+             * ```js
+             * > console.count('abc');
+             * abc: 1
+             * undefined
+             * > console.countReset('abc');
+             * undefined
+             * > console.count('abc');
+             * abc: 1
+             * undefined
+             * >
+             * ```
+             * @since v8.3.0
+             * @param label The display label for the counter.
+             */
+            countReset(label?: string): void;
+            /**
+             * The `console.debug()` function is an alias for {@link log}.
+             * @since v8.0.0
+             */
+            debug(message?: any, ...optionalParams: any[]): void;
+            /**
+             * Uses `util.inspect()` on `obj` and prints the resulting string to `stdout`.
+             * This function bypasses any custom `inspect()` function defined on `obj`.
+             * @since v0.1.101
+             */
+            dir(obj: any, options?: InspectOptions): void;
+            /**
+             * This method calls `console.log()` passing it the arguments received.
+             * This method does not produce any XML formatting.
+             * @since v8.0.0
+             */
+            dirxml(...data: any[]): void;
+            /**
+             * Prints to `stderr` with newline. Multiple arguments can be passed, with the
+             * first used as the primary message and all additional used as substitution
+             * values similar to [`printf(3)`](http://man7.org/linux/man-pages/man3/printf.3.html) (the arguments are all passed to `util.format()`).
+             *
+             * ```js
+             * const code = 5;
+             * console.error('error #%d', code);
+             * // Prints: error #5, to stderr
+             * console.error('error', code);
+             * // Prints: error 5, to stderr
+             * ```
+             *
+             * If formatting elements (e.g. `%d`) are not found in the first string then `util.inspect()` is called on each argument and the resulting string
+             * values are concatenated. See `util.format()` for more information.
+             * @since v0.1.100
+             */
+            error(message?: any, ...optionalParams: any[]): void;
+            /**
+             * Increases indentation of subsequent lines by spaces for `groupIndentation`length.
+             *
+             * If one or more `label`s are provided, those are printed first without the
+             * additional indentation.
+             * @since v8.5.0
+             */
+            group(...label: any[]): void;
+            /**
+             * An alias for {@link group}.
+             * @since v8.5.0
+             */
+            groupCollapsed(...label: any[]): void;
+            /**
+             * Decreases indentation of subsequent lines by spaces for `groupIndentation`length.
+             * @since v8.5.0
+             */
+            groupEnd(): void;
+            /**
+             * The `console.info()` function is an alias for {@link log}.
+             * @since v0.1.100
+             */
+            info(message?: any, ...optionalParams: any[]): void;
+            /**
+             * Prints to `stdout` with newline. Multiple arguments can be passed, with the
+             * first used as the primary message and all additional used as substitution
+             * values similar to [`printf(3)`](http://man7.org/linux/man-pages/man3/printf.3.html) (the arguments are all passed to `util.format()`).
+             *
+             * ```js
+             * const count = 5;
+             * console.log('count: %d', count);
+             * // Prints: count: 5, to stdout
+             * console.log('count:', count);
+             * // Prints: count: 5, to stdout
+             * ```
+             *
+             * See `util.format()` for more information.
+             * @since v0.1.100
+             */
+            log(message?: any, ...optionalParams: any[]): void;
+            /**
+             * Try to construct a table with the columns of the properties of `tabularData`(or use `properties`) and rows of `tabularData` and log it. Falls back to just
+             * logging the argument if it can’t be parsed as tabular.
+             *
+             * ```js
+             * // These can't be parsed as tabular data
+             * console.table(Symbol());
+             * // Symbol()
+             *
+             * console.table(undefined);
+             * // undefined
+             *
+             * console.table([{ a: 1, b: 'Y' }, { a: 'Z', b: 2 }]);
+             * // ┌─────────┬─────┬─────┐
+             * // │ (index) │  a  │  b  │
+             * // ├─────────┼─────┼─────┤
+             * // │    0    │  1  │ 'Y' │
+             * // │    1    │ 'Z' │  2  │
+             * // └─────────┴─────┴─────┘
+             *
+             * console.table([{ a: 1, b: 'Y' }, { a: 'Z', b: 2 }], ['a']);
+             * // ┌─────────┬─────┐
+             * // │ (index) │  a  │
+             * // ├─────────┼─────┤
+             * // │    0    │  1  │
+             * // │    1    │ 'Z' │
+             * // └─────────┴─────┘
+             * ```
+             * @since v10.0.0
+             * @param properties Alternate properties for constructing the table.
+             */
+            table(tabularData: any, properties?: ReadonlyArray<string>): void;
+            /**
+             * Starts a timer that can be used to compute the duration of an operation. Timers
+             * are identified by a unique `label`. Use the same `label` when calling {@link timeEnd} to stop the timer and output the elapsed time in
+             * suitable time units to `stdout`. For example, if the elapsed
+             * time is 3869ms, `console.timeEnd()` displays "3.869s".
+             * @since v0.1.104
+             */
+            time(label?: string): void;
+            /**
+             * Stops a timer that was previously started by calling {@link time} and
+             * prints the result to `stdout`:
+             *
+             * ```js
+             * console.time('100-elements');
+             * for (let i = 0; i < 100; i++) {}
+             * console.timeEnd('100-elements');
+             * // prints 100-elements: 225.438ms
+             * ```
+             * @since v0.1.104
+             */
+            timeEnd(label?: string): void;
+            /**
+             * For a timer that was previously started by calling {@link time}, prints
+             * the elapsed time and other `data` arguments to `stdout`:
+             *
+             * ```js
+             * console.time('process');
+             * const value = expensiveProcess1(); // Returns 42
+             * console.timeLog('process', value);
+             * // Prints "process: 365.227ms 42".
+             * doExpensiveProcess2(value);
+             * console.timeEnd('process');
+             * ```
+             * @since v10.7.0
+             */
+            timeLog(label?: string, ...data: any[]): void;
+            /**
+             * Prints to `stderr` the string `'Trace: '`, followed by the `util.format()` formatted message and stack trace to the current position in the code.
+             *
+             * ```js
+             * console.trace('Show me');
+             * // Prints: (stack trace will vary based on where trace is called)
+             * //  Trace: Show me
+             * //    at repl:2:9
+             * //    at REPLServer.defaultEval (repl.js:248:27)
+             * //    at bound (domain.js:287:14)
+             * //    at REPLServer.runBound [as eval] (domain.js:300:12)
+             * //    at REPLServer.<anonymous> (repl.js:412:12)
+             * //    at emitOne (events.js:82:20)
+             * //    at REPLServer.emit (events.js:169:7)
+             * //    at REPLServer.Interface._onLine (readline.js:210:10)
+             * //    at REPLServer.Interface._line (readline.js:549:8)
+             * //    at REPLServer.Interface._ttyWrite (readline.js:826:14)
+             * ```
+             * @since v0.1.104
+             */
+            trace(message?: any, ...optionalParams: any[]): void;
+            /**
+             * The `console.warn()` function is an alias for {@link error}.
+             * @since v0.1.100
+             */
+            warn(message?: any, ...optionalParams: any[]): void;
+            // --- Inspector mode only ---
+            /**
+             * This method does not display anything unless used in the inspector.
+             *  Starts a JavaScript CPU profile with an optional label.
+             */
+            profile(label?: string): void;
+            /**
+             * This method does not display anything unless used in the inspector.
+             *  Stops the current JavaScript CPU profiling session if one has been started and prints the report to the Profiles panel of the inspector.
+             */
+            profileEnd(label?: string): void;
+            /**
+             * This method does not display anything unless used in the inspector.
+             *  Adds an event with the label `label` to the Timeline panel of the inspector.
+             */
+            timeStamp(label?: string): void;
+        }
+        /**
+         * The `console` module provides a simple debugging console that is similar to the
+         * JavaScript console mechanism provided by web browsers.
+         *
+         * The module exports two specific components:
+         *
+         * * A `Console` class with methods such as `console.log()`, `console.error()` and`console.warn()` that can be used to write to any Node.js stream.
+         * * A global `console` instance configured to write to `process.stdout` and `process.stderr`. The global `console` can be used without calling`require('console')`.
+         *
+         * _**Warning**_: The global console object's methods are neither consistently
+         * synchronous like the browser APIs they resemble, nor are they consistently
+         * asynchronous like all other Node.js streams. See the `note on process I/O` for
+         * more information.
+         *
+         * Example using the global `console`:
+         *
+         * ```js
+         * console.log('hello world');
+         * // Prints: hello world, to stdout
+         * console.log('hello %s', 'world');
+         * // Prints: hello world, to stdout
+         * console.error(new Error('Whoops, something bad happened'));
+         * // Prints error message and stack trace to stderr:
+         * //   Error: Whoops, something bad happened
+         * //     at [eval]:5:15
+         * //     at Script.runInThisContext (node:vm:132:18)
+         * //     at Object.runInThisContext (node:vm:309:38)
+         * //     at node:internal/process/execution:77:19
+         * //     at [eval]-wrapper:6:22
+         * //     at evalScript (node:internal/process/execution:76:60)
+         * //     at node:internal/main/eval_string:23:3
+         *
+         * const name = 'Will Robinson';
+         * console.warn(`Danger ${name}! Danger!`);
+         * // Prints: Danger Will Robinson! Danger!, to stderr
+         * ```
+         *
+         * Example using the `Console` class:
+         *
+         * ```js
+         * const out = getStreamSomehow();
+         * const err = getStreamSomehow();
+         * const myConsole = new console.Console(out, err);
+         *
+         * myConsole.log('hello world');
+         * // Prints: hello world, to out
+         * myConsole.log('hello %s', 'world');
+         * // Prints: hello world, to out
+         * myConsole.error(new Error('Whoops, something bad happened'));
+         * // Prints: [Error: Whoops, something bad happened], to err
+         *
+         * const name = 'Will Robinson';
+         * myConsole.warn(`Danger ${name}! Danger!`);
+         * // Prints: Danger Will Robinson! Danger!, to err
+         * ```
+         * @see [source](https://github.com/nodejs/node/blob/v16.4.2/lib/console.js)
+         */
+        namespace console {
+            interface ConsoleConstructorOptions {
+                stdout: NodeJS.WritableStream;
+                stderr?: NodeJS.WritableStream | undefined;
+                ignoreErrors?: boolean | undefined;
+                colorMode?: boolean | 'auto' | undefined;
+                inspectOptions?: InspectOptions | undefined;
+                /**
+                 * Set group indentation
+                 * @default 2
+                 */
+                groupIndentation?: number | undefined;
+            }
+            interface ConsoleConstructor {
+                prototype: Console;
+                new (stdout: NodeJS.WritableStream, stderr?: NodeJS.WritableStream, ignoreErrors?: boolean): Console;
+                new (options: ConsoleConstructorOptions): Console;
+            }
+        }
+        var console: Console;
+    }
+    export = globalThis.console;
+}
diff --git a/node_modules/@types/node/constants.d.ts b/node_modules/@types/node/constants.d.ts
new file mode 100644
index 000000000..208020dcb
--- /dev/null
+++ b/node_modules/@types/node/constants.d.ts
@@ -0,0 +1,18 @@
+/** @deprecated since v6.3.0 - use constants property exposed by the relevant module instead. */
+declare module 'constants' {
+    import { constants as osConstants, SignalConstants } from 'node:os';
+    import { constants as cryptoConstants } from 'node:crypto';
+    import { constants as fsConstants } from 'node:fs';
+
+    const exp: typeof osConstants.errno &
+        typeof osConstants.priority &
+        SignalConstants &
+        typeof cryptoConstants &
+        typeof fsConstants;
+    export = exp;
+}
+
+declare module 'node:constants' {
+    import constants = require('constants');
+    export = constants;
+}
diff --git a/node_modules/@types/node/crypto.d.ts b/node_modules/@types/node/crypto.d.ts
new file mode 100644
index 000000000..6135090b0
--- /dev/null
+++ b/node_modules/@types/node/crypto.d.ts
@@ -0,0 +1,3961 @@
+/**
+ * The `crypto` module provides cryptographic functionality that includes a set of
+ * wrappers for OpenSSL's hash, HMAC, cipher, decipher, sign, and verify functions.
+ *
+ * ```js
+ * const { createHmac } = await import('crypto');
+ *
+ * const secret = 'abcdefg';
+ * const hash = createHmac('sha256', secret)
+ *                .update('I love cupcakes')
+ *                .digest('hex');
+ * console.log(hash);
+ * // Prints:
+ * //   c0fa1bc00531bd78ef38c628449c5102aeabd49b5dc3a2a516ea6ea959d6658e
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/crypto.js)
+ */
+declare module 'crypto' {
+    import * as stream from 'node:stream';
+    import { PeerCertificate } from 'node:tls';
+    /**
+     * SPKAC is a Certificate Signing Request mechanism originally implemented by
+     * Netscape and was specified formally as part of [HTML5's `keygen` element](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/keygen).
+     *
+     * `<keygen>` is deprecated since [HTML 5.2](https://www.w3.org/TR/html52/changes.html#features-removed) and new projects
+     * should not use this element anymore.
+     *
+     * The `crypto` module provides the `Certificate` class for working with SPKAC
+     * data. The most common usage is handling output generated by the HTML5`<keygen>` element. Node.js uses [OpenSSL's SPKAC
+     * implementation](https://www.openssl.org/docs/man1.1.0/apps/openssl-spkac.html) internally.
+     * @since v0.11.8
+     */
+    class Certificate {
+        /**
+         * ```js
+         * const { Certificate } = await import('crypto');
+         * const spkac = getSpkacSomehow();
+         * const challenge = Certificate.exportChallenge(spkac);
+         * console.log(challenge.toString('utf8'));
+         * // Prints: the challenge as a UTF8 string
+         * ```
+         * @since v9.0.0
+         * @param encoding The `encoding` of the `spkac` string.
+         * @return The challenge component of the `spkac` data structure, which includes a public key and a challenge.
+         */
+        static exportChallenge(spkac: BinaryLike): Buffer;
+        /**
+         * ```js
+         * const { Certificate } = await import('crypto');
+         * const spkac = getSpkacSomehow();
+         * const publicKey = Certificate.exportPublicKey(spkac);
+         * console.log(publicKey);
+         * // Prints: the public key as <Buffer ...>
+         * ```
+         * @since v9.0.0
+         * @param encoding The `encoding` of the `spkac` string.
+         * @return The public key component of the `spkac` data structure, which includes a public key and a challenge.
+         */
+        static exportPublicKey(spkac: BinaryLike, encoding?: string): Buffer;
+        /**
+         * ```js
+         * import { Buffer } from 'buffer';
+         * const { Certificate } = await import('crypto');
+         *
+         * const spkac = getSpkacSomehow();
+         * console.log(Certificate.verifySpkac(Buffer.from(spkac)));
+         * // Prints: true or false
+         * ```
+         * @since v9.0.0
+         * @param encoding The `encoding` of the `spkac` string.
+         * @return `true` if the given `spkac` data structure is valid, `false` otherwise.
+         */
+        static verifySpkac(spkac: NodeJS.ArrayBufferView): boolean;
+        /**
+         * @deprecated
+         * @param spkac
+         * @returns The challenge component of the `spkac` data structure,
+         * which includes a public key and a challenge.
+         */
+        exportChallenge(spkac: BinaryLike): Buffer;
+        /**
+         * @deprecated
+         * @param spkac
+         * @param encoding The encoding of the spkac string.
+         * @returns The public key component of the `spkac` data structure,
+         * which includes a public key and a challenge.
+         */
+        exportPublicKey(spkac: BinaryLike, encoding?: string): Buffer;
+        /**
+         * @deprecated
+         * @param spkac
+         * @returns `true` if the given `spkac` data structure is valid,
+         * `false` otherwise.
+         */
+        verifySpkac(spkac: NodeJS.ArrayBufferView): boolean;
+    }
+    namespace constants {
+        // https://nodejs.org/dist/latest-v10.x/docs/api/crypto.html#crypto_crypto_constants
+        const OPENSSL_VERSION_NUMBER: number;
+        /** Applies multiple bug workarounds within OpenSSL. See https://www.openssl.org/docs/man1.0.2/ssl/SSL_CTX_set_options.html for detail. */
+        const SSL_OP_ALL: number;
+        /** Allows legacy insecure renegotiation between OpenSSL and unpatched clients or servers. See https://www.openssl.org/docs/man1.0.2/ssl/SSL_CTX_set_options.html. */
+        const SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION: number;
+        /** Attempts to use the server's preferences instead of the client's when selecting a cipher. See https://www.openssl.org/docs/man1.0.2/ssl/SSL_CTX_set_options.html. */
+        const SSL_OP_CIPHER_SERVER_PREFERENCE: number;
+        /** Instructs OpenSSL to use Cisco's "speshul" version of DTLS_BAD_VER. */
+        const SSL_OP_CISCO_ANYCONNECT: number;
+        /** Instructs OpenSSL to turn on cookie exchange. */
+        const SSL_OP_COOKIE_EXCHANGE: number;
+        /** Instructs OpenSSL to add server-hello extension from an early version of the cryptopro draft. */
+        const SSL_OP_CRYPTOPRO_TLSEXT_BUG: number;
+        /** Instructs OpenSSL to disable a SSL 3.0/TLS 1.0 vulnerability workaround added in OpenSSL 0.9.6d. */
+        const SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS: number;
+        /** Instructs OpenSSL to always use the tmp_rsa key when performing RSA operations. */
+        const SSL_OP_EPHEMERAL_RSA: number;
+        /** Allows initial connection to servers that do not support RI. */
+        const SSL_OP_LEGACY_SERVER_CONNECT: number;
+        const SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER: number;
+        const SSL_OP_MICROSOFT_SESS_ID_BUG: number;
+        /** Instructs OpenSSL to disable the workaround for a man-in-the-middle protocol-version vulnerability in the SSL 2.0 server implementation. */
+        const SSL_OP_MSIE_SSLV2_RSA_PADDING: number;
+        const SSL_OP_NETSCAPE_CA_DN_BUG: number;
+        const SSL_OP_NETSCAPE_CHALLENGE_BUG: number;
+        const SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG: number;
+        const SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG: number;
+        /** Instructs OpenSSL to disable support for SSL/TLS compression. */
+        const SSL_OP_NO_COMPRESSION: number;
+        const SSL_OP_NO_QUERY_MTU: number;
+        /** Instructs OpenSSL to always start a new session when performing renegotiation. */
+        const SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION: number;
+        const SSL_OP_NO_SSLv2: number;
+        const SSL_OP_NO_SSLv3: number;
+        const SSL_OP_NO_TICKET: number;
+        const SSL_OP_NO_TLSv1: number;
+        const SSL_OP_NO_TLSv1_1: number;
+        const SSL_OP_NO_TLSv1_2: number;
+        const SSL_OP_PKCS1_CHECK_1: number;
+        const SSL_OP_PKCS1_CHECK_2: number;
+        /** Instructs OpenSSL to always create a new key when using temporary/ephemeral DH parameters. */
+        const SSL_OP_SINGLE_DH_USE: number;
+        /** Instructs OpenSSL to always create a new key when using temporary/ephemeral ECDH parameters. */
+        const SSL_OP_SINGLE_ECDH_USE: number;
+        const SSL_OP_SSLEAY_080_CLIENT_DH_BUG: number;
+        const SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG: number;
+        const SSL_OP_TLS_BLOCK_PADDING_BUG: number;
+        const SSL_OP_TLS_D5_BUG: number;
+        /** Instructs OpenSSL to disable version rollback attack detection. */
+        const SSL_OP_TLS_ROLLBACK_BUG: number;
+        const ENGINE_METHOD_RSA: number;
+        const ENGINE_METHOD_DSA: number;
+        const ENGINE_METHOD_DH: number;
+        const ENGINE_METHOD_RAND: number;
+        const ENGINE_METHOD_EC: number;
+        const ENGINE_METHOD_CIPHERS: number;
+        const ENGINE_METHOD_DIGESTS: number;
+        const ENGINE_METHOD_PKEY_METHS: number;
+        const ENGINE_METHOD_PKEY_ASN1_METHS: number;
+        const ENGINE_METHOD_ALL: number;
+        const ENGINE_METHOD_NONE: number;
+        const DH_CHECK_P_NOT_SAFE_PRIME: number;
+        const DH_CHECK_P_NOT_PRIME: number;
+        const DH_UNABLE_TO_CHECK_GENERATOR: number;
+        const DH_NOT_SUITABLE_GENERATOR: number;
+        const ALPN_ENABLED: number;
+        const RSA_PKCS1_PADDING: number;
+        const RSA_SSLV23_PADDING: number;
+        const RSA_NO_PADDING: number;
+        const RSA_PKCS1_OAEP_PADDING: number;
+        const RSA_X931_PADDING: number;
+        const RSA_PKCS1_PSS_PADDING: number;
+        /** Sets the salt length for RSA_PKCS1_PSS_PADDING to the digest size when signing or verifying. */
+        const RSA_PSS_SALTLEN_DIGEST: number;
+        /** Sets the salt length for RSA_PKCS1_PSS_PADDING to the maximum permissible value when signing data. */
+        const RSA_PSS_SALTLEN_MAX_SIGN: number;
+        /** Causes the salt length for RSA_PKCS1_PSS_PADDING to be determined automatically when verifying a signature. */
+        const RSA_PSS_SALTLEN_AUTO: number;
+        const POINT_CONVERSION_COMPRESSED: number;
+        const POINT_CONVERSION_UNCOMPRESSED: number;
+        const POINT_CONVERSION_HYBRID: number;
+        /** Specifies the built-in default cipher list used by Node.js (colon-separated values). */
+        const defaultCoreCipherList: string;
+        /** Specifies the active default cipher list used by the current Node.js process  (colon-separated values). */
+        const defaultCipherList: string;
+    }
+    interface HashOptions extends stream.TransformOptions {
+        /**
+         * For XOF hash functions such as `shake256`, the
+         * outputLength option can be used to specify the desired output length in bytes.
+         */
+        outputLength?: number | undefined;
+    }
+    /** @deprecated since v10.0.0 */
+    const fips: boolean;
+    /**
+     * Creates and returns a `Hash` object that can be used to generate hash digests
+     * using the given `algorithm`. Optional `options` argument controls stream
+     * behavior. For XOF hash functions such as `'shake256'`, the `outputLength` option
+     * can be used to specify the desired output length in bytes.
+     *
+     * The `algorithm` is dependent on the available algorithms supported by the
+     * version of OpenSSL on the platform. Examples are `'sha256'`, `'sha512'`, etc.
+     * On recent releases of OpenSSL, `openssl list -digest-algorithms` will
+     * display the available digest algorithms.
+     *
+     * Example: generating the sha256 sum of a file
+     *
+     * ```js
+     * import {
+     *   createReadStream
+     * } from 'fs';
+     * import { argv } from 'process';
+     * const {
+     *   createHash
+     * } = await import('crypto');
+     *
+     * const filename = argv[2];
+     *
+     * const hash = createHash('sha256');
+     *
+     * const input = createReadStream(filename);
+     * input.on('readable', () => {
+     *   // Only one element is going to be produced by the
+     *   // hash stream.
+     *   const data = input.read();
+     *   if (data)
+     *     hash.update(data);
+     *   else {
+     *     console.log(`${hash.digest('hex')} ${filename}`);
+     *   }
+     * });
+     * ```
+     * @since v0.1.92
+     * @param options `stream.transform` options
+     */
+    function createHash(algorithm: string, options?: HashOptions): Hash;
+    /**
+     * Creates and returns an `Hmac` object that uses the given `algorithm` and `key`.
+     * Optional `options` argument controls stream behavior.
+     *
+     * The `algorithm` is dependent on the available algorithms supported by the
+     * version of OpenSSL on the platform. Examples are `'sha256'`, `'sha512'`, etc.
+     * On recent releases of OpenSSL, `openssl list -digest-algorithms` will
+     * display the available digest algorithms.
+     *
+     * The `key` is the HMAC key used to generate the cryptographic HMAC hash. If it is
+     * a `KeyObject`, its type must be `secret`.
+     *
+     * Example: generating the sha256 HMAC of a file
+     *
+     * ```js
+     * import {
+     *   createReadStream
+     * } from 'fs';
+     * import { argv } from 'process';
+     * const {
+     *   createHmac
+     * } = await import('crypto');
+     *
+     * const filename = argv[2];
+     *
+     * const hmac = createHmac('sha256', 'a secret');
+     *
+     * const input = createReadStream(filename);
+     * input.on('readable', () => {
+     *   // Only one element is going to be produced by the
+     *   // hash stream.
+     *   const data = input.read();
+     *   if (data)
+     *     hmac.update(data);
+     *   else {
+     *     console.log(`${hmac.digest('hex')} ${filename}`);
+     *   }
+     * });
+     * ```
+     * @since v0.1.94
+     * @param options `stream.transform` options
+     */
+    function createHmac(algorithm: string, key: BinaryLike | KeyObject, options?: stream.TransformOptions): Hmac;
+    // https://nodejs.org/api/buffer.html#buffer_buffers_and_character_encodings
+    type BinaryToTextEncoding = 'base64' | 'base64url' | 'hex' | 'binary';
+    type CharacterEncoding = 'utf8' | 'utf-8' | 'utf16le' | 'latin1';
+    type LegacyCharacterEncoding = 'ascii' | 'binary' | 'ucs2' | 'ucs-2';
+    type Encoding = BinaryToTextEncoding | CharacterEncoding | LegacyCharacterEncoding;
+    type ECDHKeyFormat = 'compressed' | 'uncompressed' | 'hybrid';
+    /**
+     * The `Hash` class is a utility for creating hash digests of data. It can be
+     * used in one of two ways:
+     *
+     * * As a `stream` that is both readable and writable, where data is written
+     * to produce a computed hash digest on the readable side, or
+     * * Using the `hash.update()` and `hash.digest()` methods to produce the
+     * computed hash.
+     *
+     * The {@link createHash} method is used to create `Hash` instances. `Hash`objects are not to be created directly using the `new` keyword.
+     *
+     * Example: Using `Hash` objects as streams:
+     *
+     * ```js
+     * const {
+     *   createHash
+     * } = await import('crypto');
+     *
+     * const hash = createHash('sha256');
+     *
+     * hash.on('readable', () => {
+     *   // Only one element is going to be produced by the
+     *   // hash stream.
+     *   const data = hash.read();
+     *   if (data) {
+     *     console.log(data.toString('hex'));
+     *     // Prints:
+     *     //   6a2da20943931e9834fc12cfe5bb47bbd9ae43489a30726962b576f4e3993e50
+     *   }
+     * });
+     *
+     * hash.write('some data to hash');
+     * hash.end();
+     * ```
+     *
+     * Example: Using `Hash` and piped streams:
+     *
+     * ```js
+     * import { createReadStream } from 'fs';
+     * import { stdout } from 'process';
+     * const { createHash } = await import('crypto');
+     *
+     * const hash = createHash('sha256');
+     *
+     * const input = createReadStream('test.js');
+     * input.pipe(hash).setEncoding('hex').pipe(stdout);
+     * ```
+     *
+     * Example: Using the `hash.update()` and `hash.digest()` methods:
+     *
+     * ```js
+     * const {
+     *   createHash
+     * } = await import('crypto');
+     *
+     * const hash = createHash('sha256');
+     *
+     * hash.update('some data to hash');
+     * console.log(hash.digest('hex'));
+     * // Prints:
+     * //   6a2da20943931e9834fc12cfe5bb47bbd9ae43489a30726962b576f4e3993e50
+     * ```
+     * @since v0.1.92
+     */
+    class Hash extends stream.Transform {
+        private constructor();
+        /**
+         * Creates a new `Hash` object that contains a deep copy of the internal state
+         * of the current `Hash` object.
+         *
+         * The optional `options` argument controls stream behavior. For XOF hash
+         * functions such as `'shake256'`, the `outputLength` option can be used to
+         * specify the desired output length in bytes.
+         *
+         * An error is thrown when an attempt is made to copy the `Hash` object after
+         * its `hash.digest()` method has been called.
+         *
+         * ```js
+         * // Calculate a rolling hash.
+         * const {
+         *   createHash
+         * } = await import('crypto');
+         *
+         * const hash = createHash('sha256');
+         *
+         * hash.update('one');
+         * console.log(hash.copy().digest('hex'));
+         *
+         * hash.update('two');
+         * console.log(hash.copy().digest('hex'));
+         *
+         * hash.update('three');
+         * console.log(hash.copy().digest('hex'));
+         *
+         * // Etc.
+         * ```
+         * @since v13.1.0
+         * @param options `stream.transform` options
+         */
+        copy(options?: stream.TransformOptions): Hash;
+        /**
+         * Updates the hash content with the given `data`, the encoding of which
+         * is given in `inputEncoding`.
+         * If `encoding` is not provided, and the `data` is a string, an
+         * encoding of `'utf8'` is enforced. If `data` is a `Buffer`, `TypedArray`, or`DataView`, then `inputEncoding` is ignored.
+         *
+         * This can be called many times with new data as it is streamed.
+         * @since v0.1.92
+         * @param inputEncoding The `encoding` of the `data` string.
+         */
+        update(data: BinaryLike): Hash;
+        update(data: string, inputEncoding: Encoding): Hash;
+        /**
+         * Calculates the digest of all of the data passed to be hashed (using the `hash.update()` method).
+         * If `encoding` is provided a string will be returned; otherwise
+         * a `Buffer` is returned.
+         *
+         * The `Hash` object can not be used again after `hash.digest()` method has been
+         * called. Multiple calls will cause an error to be thrown.
+         * @since v0.1.92
+         * @param encoding The `encoding` of the return value.
+         */
+        digest(): Buffer;
+        digest(encoding: BinaryToTextEncoding): string;
+    }
+    /**
+     * The `Hmac` class is a utility for creating cryptographic HMAC digests. It can
+     * be used in one of two ways:
+     *
+     * * As a `stream` that is both readable and writable, where data is written
+     * to produce a computed HMAC digest on the readable side, or
+     * * Using the `hmac.update()` and `hmac.digest()` methods to produce the
+     * computed HMAC digest.
+     *
+     * The {@link createHmac} method is used to create `Hmac` instances. `Hmac`objects are not to be created directly using the `new` keyword.
+     *
+     * Example: Using `Hmac` objects as streams:
+     *
+     * ```js
+     * const {
+     *   createHmac
+     * } = await import('crypto');
+     *
+     * const hmac = createHmac('sha256', 'a secret');
+     *
+     * hmac.on('readable', () => {
+     *   // Only one element is going to be produced by the
+     *   // hash stream.
+     *   const data = hmac.read();
+     *   if (data) {
+     *     console.log(data.toString('hex'));
+     *     // Prints:
+     *     //   7fd04df92f636fd450bc841c9418e5825c17f33ad9c87c518115a45971f7f77e
+     *   }
+     * });
+     *
+     * hmac.write('some data to hash');
+     * hmac.end();
+     * ```
+     *
+     * Example: Using `Hmac` and piped streams:
+     *
+     * ```js
+     * import { createReadStream } from 'fs';
+     * import { stdout } from 'process';
+     * const {
+     *   createHmac
+     * } = await import('crypto');
+     *
+     * const hmac = createHmac('sha256', 'a secret');
+     *
+     * const input = createReadStream('test.js');
+     * input.pipe(hmac).pipe(stdout);
+     * ```
+     *
+     * Example: Using the `hmac.update()` and `hmac.digest()` methods:
+     *
+     * ```js
+     * const {
+     *   createHmac
+     * } = await import('crypto');
+     *
+     * const hmac = createHmac('sha256', 'a secret');
+     *
+     * hmac.update('some data to hash');
+     * console.log(hmac.digest('hex'));
+     * // Prints:
+     * //   7fd04df92f636fd450bc841c9418e5825c17f33ad9c87c518115a45971f7f77e
+     * ```
+     * @since v0.1.94
+     */
+    class Hmac extends stream.Transform {
+        private constructor();
+        /**
+         * Updates the `Hmac` content with the given `data`, the encoding of which
+         * is given in `inputEncoding`.
+         * If `encoding` is not provided, and the `data` is a string, an
+         * encoding of `'utf8'` is enforced. If `data` is a `Buffer`, `TypedArray`, or`DataView`, then `inputEncoding` is ignored.
+         *
+         * This can be called many times with new data as it is streamed.
+         * @since v0.1.94
+         * @param inputEncoding The `encoding` of the `data` string.
+         */
+        update(data: BinaryLike): Hmac;
+        update(data: string, inputEncoding: Encoding): Hmac;
+        /**
+         * Calculates the HMAC digest of all of the data passed using `hmac.update()`.
+         * If `encoding` is
+         * provided a string is returned; otherwise a `Buffer` is returned;
+         *
+         * The `Hmac` object can not be used again after `hmac.digest()` has been
+         * called. Multiple calls to `hmac.digest()` will result in an error being thrown.
+         * @since v0.1.94
+         * @param encoding The `encoding` of the return value.
+         */
+        digest(): Buffer;
+        digest(encoding: BinaryToTextEncoding): string;
+    }
+    type KeyObjectType = 'secret' | 'public' | 'private';
+    interface KeyExportOptions<T extends KeyFormat> {
+        type: 'pkcs1' | 'spki' | 'pkcs8' | 'sec1';
+        format: T;
+        cipher?: string | undefined;
+        passphrase?: string | Buffer | undefined;
+    }
+    interface JwkKeyExportOptions {
+        format: 'jwk';
+    }
+    interface JsonWebKey {
+        crv?: string | undefined;
+        d?: string | undefined;
+        dp?: string | undefined;
+        dq?: string | undefined;
+        e?: string | undefined;
+        k?: string | undefined;
+        kty?: string | undefined;
+        n?: string | undefined;
+        p?: string | undefined;
+        q?: string | undefined;
+        qi?: string | undefined;
+        x?: string | undefined;
+        y?: string | undefined;
+        [key: string]: unknown;
+    }
+    interface AsymmetricKeyDetails {
+        /**
+         * Key size in bits (RSA, DSA).
+         */
+        modulusLength?: number | undefined;
+        /**
+         * Public exponent (RSA).
+         */
+        publicExponent?: bigint | undefined;
+        /**
+         * Name of the message digest (RSA-PSS).
+         */
+        hashAlgorithm?: string | undefined;
+        /**
+         * Name of the message digest used by MGF1 (RSA-PSS).
+         */
+        mgf1HashAlgorithm?: string | undefined;
+        /**
+         * Minimal salt length in bytes (RSA-PSS).
+         */
+        saltLength?: number | undefined;
+        /**
+         * Size of q in bits (DSA).
+         */
+        divisorLength?: number | undefined;
+        /**
+         * Name of the curve (EC).
+         */
+        namedCurve?: string | undefined;
+    }
+    /**
+     * Node.js uses a `KeyObject` class to represent a symmetric or asymmetric key,
+     * and each kind of key exposes different functions. The {@link createSecretKey}, {@link createPublicKey} and {@link createPrivateKey} methods are used to create `KeyObject`instances. `KeyObject`
+     * objects are not to be created directly using the `new`keyword.
+     *
+     * Most applications should consider using the new `KeyObject` API instead of
+     * passing keys as strings or `Buffer`s due to improved security features.
+     *
+     * `KeyObject` instances can be passed to other threads via `postMessage()`.
+     * The receiver obtains a cloned `KeyObject`, and the `KeyObject` does not need to
+     * be listed in the `transferList` argument.
+     * @since v11.6.0
+     */
+    class KeyObject {
+        private constructor();
+        /**
+         * Example: Converting a `CryptoKey` instance to a `KeyObject`:
+         *
+         * ```js
+         * const { webcrypto, KeyObject } = await import('crypto');
+         * const { subtle } = webcrypto;
+         *
+         * const key = await subtle.generateKey({
+         *   name: 'HMAC',
+         *   hash: 'SHA-256',
+         *   length: 256
+         * }, true, ['sign', 'verify']);
+         *
+         * const keyObject = KeyObject.from(key);
+         * console.log(keyObject.symmetricKeySize);
+         * // Prints: 32 (symmetric key size in bytes)
+         * ```
+         * @since v15.0.0
+         */
+        static from(key: webcrypto.CryptoKey): KeyObject;
+        /**
+         * For asymmetric keys, this property represents the type of the key. Supported key
+         * types are:
+         *
+         * * `'rsa'` (OID 1.2.840.113549.1.1.1)
+         * * `'rsa-pss'` (OID 1.2.840.113549.1.1.10)
+         * * `'dsa'` (OID 1.2.840.10040.4.1)
+         * * `'ec'` (OID 1.2.840.10045.2.1)
+         * * `'x25519'` (OID 1.3.101.110)
+         * * `'x448'` (OID 1.3.101.111)
+         * * `'ed25519'` (OID 1.3.101.112)
+         * * `'ed448'` (OID 1.3.101.113)
+         * * `'dh'` (OID 1.2.840.113549.1.3.1)
+         *
+         * This property is `undefined` for unrecognized `KeyObject` types and symmetric
+         * keys.
+         * @since v11.6.0
+         */
+        asymmetricKeyType?: KeyType | undefined;
+        /**
+         * For asymmetric keys, this property represents the size of the embedded key in
+         * bytes. This property is `undefined` for symmetric keys.
+         */
+        asymmetricKeySize?: number | undefined;
+        /**
+         * This property exists only on asymmetric keys. Depending on the type of the key,
+         * this object contains information about the key. None of the information obtained
+         * through this property can be used to uniquely identify a key or to compromise
+         * the security of the key.
+         *
+         * For RSA-PSS keys, if the key material contains a `RSASSA-PSS-params` sequence,
+         * the `hashAlgorithm`, `mgf1HashAlgorithm`, and `saltLength` properties will be
+         * set.
+         *
+         * Other key details might be exposed via this API using additional attributes.
+         * @since v15.7.0
+         */
+        asymmetricKeyDetails?: AsymmetricKeyDetails | undefined;
+        /**
+         * For symmetric keys, the following encoding options can be used:
+         *
+         * For public keys, the following encoding options can be used:
+         *
+         * For private keys, the following encoding options can be used:
+         *
+         * The result type depends on the selected encoding format, when PEM the
+         * result is a string, when DER it will be a buffer containing the data
+         * encoded as DER, when [JWK](https://tools.ietf.org/html/rfc7517) it will be an object.
+         *
+         * When [JWK](https://tools.ietf.org/html/rfc7517) encoding format was selected, all other encoding options are
+         * ignored.
+         *
+         * PKCS#1, SEC1, and PKCS#8 type keys can be encrypted by using a combination of
+         * the `cipher` and `format` options. The PKCS#8 `type` can be used with any`format` to encrypt any key algorithm (RSA, EC, or DH) by specifying a`cipher`. PKCS#1 and SEC1 can only be
+         * encrypted by specifying a `cipher`when the PEM `format` is used. For maximum compatibility, use PKCS#8 for
+         * encrypted private keys. Since PKCS#8 defines its own
+         * encryption mechanism, PEM-level encryption is not supported when encrypting
+         * a PKCS#8 key. See [RFC 5208](https://www.rfc-editor.org/rfc/rfc5208.txt) for PKCS#8 encryption and [RFC 1421](https://www.rfc-editor.org/rfc/rfc1421.txt) for
+         * PKCS#1 and SEC1 encryption.
+         * @since v11.6.0
+         */
+        export(options: KeyExportOptions<'pem'>): string | Buffer;
+        export(options?: KeyExportOptions<'der'>): Buffer;
+        export(options?: JwkKeyExportOptions): JsonWebKey;
+        /**
+         * For secret keys, this property represents the size of the key in bytes. This
+         * property is `undefined` for asymmetric keys.
+         * @since v11.6.0
+         */
+        symmetricKeySize?: number | undefined;
+        /**
+         * Depending on the type of this `KeyObject`, this property is either`'secret'` for secret (symmetric) keys, `'public'` for public (asymmetric) keys
+         * or `'private'` for private (asymmetric) keys.
+         * @since v11.6.0
+         */
+        type: KeyObjectType;
+    }
+    type CipherCCMTypes = 'aes-128-ccm' | 'aes-192-ccm' | 'aes-256-ccm' | 'chacha20-poly1305';
+    type CipherGCMTypes = 'aes-128-gcm' | 'aes-192-gcm' | 'aes-256-gcm';
+    type CipherOCBTypes = 'aes-128-ocb' | 'aes-192-ocb' | 'aes-256-ocb';
+    type BinaryLike = string | NodeJS.ArrayBufferView;
+    type CipherKey = BinaryLike | KeyObject;
+    interface CipherCCMOptions extends stream.TransformOptions {
+        authTagLength: number;
+    }
+    interface CipherGCMOptions extends stream.TransformOptions {
+        authTagLength?: number | undefined;
+    }
+    interface CipherOCBOptions extends stream.TransformOptions {
+        authTagLength: number;
+    }
+    /**
+     * Creates and returns a `Cipher` object that uses the given `algorithm` and`password`.
+     *
+     * The `options` argument controls stream behavior and is optional except when a
+     * cipher in CCM or OCB mode (e.g. `'aes-128-ccm'`) is used. In that case, the`authTagLength` option is required and specifies the length of the
+     * authentication tag in bytes, see `CCM mode`. In GCM mode, the `authTagLength`option is not required but can be used to set the length of the authentication
+     * tag that will be returned by `getAuthTag()` and defaults to 16 bytes.
+     * For `chacha20-poly1305`, the `authTagLength` option defaults to 16 bytes.
+     *
+     * The `algorithm` is dependent on OpenSSL, examples are `'aes192'`, etc. On
+     * recent OpenSSL releases, `openssl list -cipher-algorithms` will
+     * display the available cipher algorithms.
+     *
+     * The `password` is used to derive the cipher key and initialization vector (IV).
+     * The value must be either a `'latin1'` encoded string, a `Buffer`, a`TypedArray`, or a `DataView`.
+     *
+     * The implementation of `crypto.createCipher()` derives keys using the OpenSSL
+     * function [`EVP_BytesToKey`](https://www.openssl.org/docs/man1.1.0/crypto/EVP_BytesToKey.html) with the digest algorithm set to MD5, one
+     * iteration, and no salt. The lack of salt allows dictionary attacks as the same
+     * password always creates the same key. The low iteration count and
+     * non-cryptographically secure hash algorithm allow passwords to be tested very
+     * rapidly.
+     *
+     * In line with OpenSSL's recommendation to use a more modern algorithm instead of [`EVP_BytesToKey`](https://www.openssl.org/docs/man1.1.0/crypto/EVP_BytesToKey.html) it is recommended that
+     * developers derive a key and IV on
+     * their own using {@link scrypt} and to use {@link createCipheriv} to create the `Cipher` object. Users should not use ciphers with counter mode
+     * (e.g. CTR, GCM, or CCM) in `crypto.createCipher()`. A warning is emitted when
+     * they are used in order to avoid the risk of IV reuse that causes
+     * vulnerabilities. For the case when IV is reused in GCM, see [Nonce-Disrespecting Adversaries](https://github.com/nonce-disrespect/nonce-disrespect) for details.
+     * @since v0.1.94
+     * @deprecated Since v10.0.0 - Use {@link createCipheriv} instead.
+     * @param options `stream.transform` options
+     */
+    function createCipher(algorithm: CipherCCMTypes, password: BinaryLike, options: CipherCCMOptions): CipherCCM;
+    /** @deprecated since v10.0.0 use `createCipheriv()` */
+    function createCipher(algorithm: CipherGCMTypes, password: BinaryLike, options?: CipherGCMOptions): CipherGCM;
+    /** @deprecated since v10.0.0 use `createCipheriv()` */
+    function createCipher(algorithm: string, password: BinaryLike, options?: stream.TransformOptions): Cipher;
+    /**
+     * Creates and returns a `Cipher` object, with the given `algorithm`, `key` and
+     * initialization vector (`iv`).
+     *
+     * The `options` argument controls stream behavior and is optional except when a
+     * cipher in CCM or OCB mode (e.g. `'aes-128-ccm'`) is used. In that case, the`authTagLength` option is required and specifies the length of the
+     * authentication tag in bytes, see `CCM mode`. In GCM mode, the `authTagLength`option is not required but can be used to set the length of the authentication
+     * tag that will be returned by `getAuthTag()` and defaults to 16 bytes.
+     * For `chacha20-poly1305`, the `authTagLength` option defaults to 16 bytes.
+     *
+     * The `algorithm` is dependent on OpenSSL, examples are `'aes192'`, etc. On
+     * recent OpenSSL releases, `openssl list -cipher-algorithms` will
+     * display the available cipher algorithms.
+     *
+     * The `key` is the raw key used by the `algorithm` and `iv` is an [initialization vector](https://en.wikipedia.org/wiki/Initialization_vector). Both arguments must be `'utf8'` encoded
+     * strings,`Buffers`, `TypedArray`, or `DataView`s. The `key` may optionally be
+     * a `KeyObject` of type `secret`. If the cipher does not need
+     * an initialization vector, `iv` may be `null`.
+     *
+     * When passing strings for `key` or `iv`, please consider `caveats when using strings as inputs to cryptographic APIs`.
+     *
+     * Initialization vectors should be unpredictable and unique; ideally, they will be
+     * cryptographically random. They do not have to be secret: IVs are typically just
+     * added to ciphertext messages unencrypted. It may sound contradictory that
+     * something has to be unpredictable and unique, but does not have to be secret;
+     * remember that an attacker must not be able to predict ahead of time what a
+     * given IV will be.
+     * @since v0.1.94
+     * @param options `stream.transform` options
+     */
+    function createCipheriv(algorithm: CipherCCMTypes, key: CipherKey, iv: BinaryLike, options: CipherCCMOptions): CipherCCM;
+    function createCipheriv(algorithm: CipherOCBTypes, key: CipherKey, iv: BinaryLike, options: CipherOCBOptions): CipherOCB;
+    function createCipheriv(algorithm: CipherGCMTypes, key: CipherKey, iv: BinaryLike, options?: CipherGCMOptions): CipherGCM;
+    function createCipheriv(algorithm: string, key: CipherKey, iv: BinaryLike | null, options?: stream.TransformOptions): Cipher;
+    /**
+     * Instances of the `Cipher` class are used to encrypt data. The class can be
+     * used in one of two ways:
+     *
+     * * As a `stream` that is both readable and writable, where plain unencrypted
+     * data is written to produce encrypted data on the readable side, or
+     * * Using the `cipher.update()` and `cipher.final()` methods to produce
+     * the encrypted data.
+     *
+     * The {@link createCipher} or {@link createCipheriv} methods are
+     * used to create `Cipher` instances. `Cipher` objects are not to be created
+     * directly using the `new` keyword.
+     *
+     * Example: Using `Cipher` objects as streams:
+     *
+     * ```js
+     * const {
+     *   scrypt,
+     *   randomFill,
+     *   createCipheriv
+     * } = await import('crypto');
+     *
+     * const algorithm = 'aes-192-cbc';
+     * const password = 'Password used to generate key';
+     *
+     * // First, we'll generate the key. The key length is dependent on the algorithm.
+     * // In this case for aes192, it is 24 bytes (192 bits).
+     * scrypt(password, 'salt', 24, (err, key) => {
+     *   if (err) throw err;
+     *   // Then, we'll generate a random initialization vector
+     *   randomFill(new Uint8Array(16), (err, iv) => {
+     *     if (err) throw err;
+     *
+     *     // Once we have the key and iv, we can create and use the cipher...
+     *     const cipher = createCipheriv(algorithm, key, iv);
+     *
+     *     let encrypted = '';
+     *     cipher.setEncoding('hex');
+     *
+     *     cipher.on('data', (chunk) => encrypted += chunk);
+     *     cipher.on('end', () => console.log(encrypted));
+     *
+     *     cipher.write('some clear text data');
+     *     cipher.end();
+     *   });
+     * });
+     * ```
+     *
+     * Example: Using `Cipher` and piped streams:
+     *
+     * ```js
+     * import {
+     *   createReadStream,
+     *   createWriteStream,
+     * } from 'fs';
+     *
+     * import {
+     *   pipeline
+     * } from 'stream';
+     *
+     * const {
+     *   scrypt,
+     *   randomFill,
+     *   createCipheriv
+     * } = await import('crypto');
+     *
+     * const algorithm = 'aes-192-cbc';
+     * const password = 'Password used to generate key';
+     *
+     * // First, we'll generate the key. The key length is dependent on the algorithm.
+     * // In this case for aes192, it is 24 bytes (192 bits).
+     * scrypt(password, 'salt', 24, (err, key) => {
+     *   if (err) throw err;
+     *   // Then, we'll generate a random initialization vector
+     *   randomFill(new Uint8Array(16), (err, iv) => {
+     *     if (err) throw err;
+     *
+     *     const cipher = createCipheriv(algorithm, key, iv);
+     *
+     *     const input = createReadStream('test.js');
+     *     const output = createWriteStream('test.enc');
+     *
+     *     pipeline(input, cipher, output, (err) => {
+     *       if (err) throw err;
+     *     });
+     *   });
+     * });
+     * ```
+     *
+     * Example: Using the `cipher.update()` and `cipher.final()` methods:
+     *
+     * ```js
+     * const {
+     *   scrypt,
+     *   randomFill,
+     *   createCipheriv
+     * } = await import('crypto');
+     *
+     * const algorithm = 'aes-192-cbc';
+     * const password = 'Password used to generate key';
+     *
+     * // First, we'll generate the key. The key length is dependent on the algorithm.
+     * // In this case for aes192, it is 24 bytes (192 bits).
+     * scrypt(password, 'salt', 24, (err, key) => {
+     *   if (err) throw err;
+     *   // Then, we'll generate a random initialization vector
+     *   randomFill(new Uint8Array(16), (err, iv) => {
+     *     if (err) throw err;
+     *
+     *     const cipher = createCipheriv(algorithm, key, iv);
+     *
+     *     let encrypted = cipher.update('some clear text data', 'utf8', 'hex');
+     *     encrypted += cipher.final('hex');
+     *     console.log(encrypted);
+     *   });
+     * });
+     * ```
+     * @since v0.1.94
+     */
+    class Cipher extends stream.Transform {
+        private constructor();
+        /**
+         * Updates the cipher with `data`. If the `inputEncoding` argument is given,
+         * the `data`argument is a string using the specified encoding. If the `inputEncoding`argument is not given, `data` must be a `Buffer`, `TypedArray`, or`DataView`. If `data` is a `Buffer`,
+         * `TypedArray`, or `DataView`, then`inputEncoding` is ignored.
+         *
+         * The `outputEncoding` specifies the output format of the enciphered
+         * data. If the `outputEncoding`is specified, a string using the specified encoding is returned. If no`outputEncoding` is provided, a `Buffer` is returned.
+         *
+         * The `cipher.update()` method can be called multiple times with new data until `cipher.final()` is called. Calling `cipher.update()` after `cipher.final()` will result in an error being
+         * thrown.
+         * @since v0.1.94
+         * @param inputEncoding The `encoding` of the data.
+         * @param outputEncoding The `encoding` of the return value.
+         */
+        update(data: BinaryLike): Buffer;
+        update(data: string, inputEncoding: Encoding): Buffer;
+        update(data: NodeJS.ArrayBufferView, inputEncoding: undefined, outputEncoding: Encoding): string;
+        update(data: string, inputEncoding: Encoding | undefined, outputEncoding: Encoding): string;
+        /**
+         * Once the `cipher.final()` method has been called, the `Cipher` object can no
+         * longer be used to encrypt data. Attempts to call `cipher.final()` more than
+         * once will result in an error being thrown.
+         * @since v0.1.94
+         * @param outputEncoding The `encoding` of the return value.
+         * @return Any remaining enciphered contents. If `outputEncoding` is specified, a string is returned. If an `outputEncoding` is not provided, a {@link Buffer} is returned.
+         */
+        final(): Buffer;
+        final(outputEncoding: BufferEncoding): string;
+        /**
+         * When using block encryption algorithms, the `Cipher` class will automatically
+         * add padding to the input data to the appropriate block size. To disable the
+         * default padding call `cipher.setAutoPadding(false)`.
+         *
+         * When `autoPadding` is `false`, the length of the entire input data must be a
+         * multiple of the cipher's block size or `cipher.final()` will throw an error.
+         * Disabling automatic padding is useful for non-standard padding, for instance
+         * using `0x0` instead of PKCS padding.
+         *
+         * The `cipher.setAutoPadding()` method must be called before `cipher.final()`.
+         * @since v0.7.1
+         * @param [autoPadding=true]
+         * @return for method chaining.
+         */
+        setAutoPadding(autoPadding?: boolean): this;
+    }
+    interface CipherCCM extends Cipher {
+        setAAD(
+            buffer: NodeJS.ArrayBufferView,
+            options: {
+                plaintextLength: number;
+            }
+        ): this;
+        getAuthTag(): Buffer;
+    }
+    interface CipherGCM extends Cipher {
+        setAAD(
+            buffer: NodeJS.ArrayBufferView,
+            options?: {
+                plaintextLength: number;
+            }
+        ): this;
+        getAuthTag(): Buffer;
+    }
+    interface CipherOCB extends Cipher {
+        setAAD(
+            buffer: NodeJS.ArrayBufferView,
+            options?: {
+                plaintextLength: number;
+            }
+        ): this;
+        getAuthTag(): Buffer;
+    }
+    /**
+     * Creates and returns a `Decipher` object that uses the given `algorithm` and`password` (key).
+     *
+     * The `options` argument controls stream behavior and is optional except when a
+     * cipher in CCM or OCB mode (e.g. `'aes-128-ccm'`) is used. In that case, the`authTagLength` option is required and specifies the length of the
+     * authentication tag in bytes, see `CCM mode`.
+     * For `chacha20-poly1305`, the `authTagLength` option defaults to 16 bytes.
+     *
+     * The implementation of `crypto.createDecipher()` derives keys using the OpenSSL
+     * function [`EVP_BytesToKey`](https://www.openssl.org/docs/man1.1.0/crypto/EVP_BytesToKey.html) with the digest algorithm set to MD5, one
+     * iteration, and no salt. The lack of salt allows dictionary attacks as the same
+     * password always creates the same key. The low iteration count and
+     * non-cryptographically secure hash algorithm allow passwords to be tested very
+     * rapidly.
+     *
+     * In line with OpenSSL's recommendation to use a more modern algorithm instead of [`EVP_BytesToKey`](https://www.openssl.org/docs/man1.1.0/crypto/EVP_BytesToKey.html) it is recommended that
+     * developers derive a key and IV on
+     * their own using {@link scrypt} and to use {@link createDecipheriv} to create the `Decipher` object.
+     * @since v0.1.94
+     * @deprecated Since v10.0.0 - Use {@link createDecipheriv} instead.
+     * @param options `stream.transform` options
+     */
+    function createDecipher(algorithm: CipherCCMTypes, password: BinaryLike, options: CipherCCMOptions): DecipherCCM;
+    /** @deprecated since v10.0.0 use `createDecipheriv()` */
+    function createDecipher(algorithm: CipherGCMTypes, password: BinaryLike, options?: CipherGCMOptions): DecipherGCM;
+    /** @deprecated since v10.0.0 use `createDecipheriv()` */
+    function createDecipher(algorithm: string, password: BinaryLike, options?: stream.TransformOptions): Decipher;
+    /**
+     * Creates and returns a `Decipher` object that uses the given `algorithm`, `key`and initialization vector (`iv`).
+     *
+     * The `options` argument controls stream behavior and is optional except when a
+     * cipher in CCM or OCB mode (e.g. `'aes-128-ccm'`) is used. In that case, the`authTagLength` option is required and specifies the length of the
+     * authentication tag in bytes, see `CCM mode`. In GCM mode, the `authTagLength`option is not required but can be used to restrict accepted authentication tags
+     * to those with the specified length.
+     * For `chacha20-poly1305`, the `authTagLength` option defaults to 16 bytes.
+     *
+     * The `algorithm` is dependent on OpenSSL, examples are `'aes192'`, etc. On
+     * recent OpenSSL releases, `openssl list -cipher-algorithms` will
+     * display the available cipher algorithms.
+     *
+     * The `key` is the raw key used by the `algorithm` and `iv` is an [initialization vector](https://en.wikipedia.org/wiki/Initialization_vector). Both arguments must be `'utf8'` encoded
+     * strings,`Buffers`, `TypedArray`, or `DataView`s. The `key` may optionally be
+     * a `KeyObject` of type `secret`. If the cipher does not need
+     * an initialization vector, `iv` may be `null`.
+     *
+     * When passing strings for `key` or `iv`, please consider `caveats when using strings as inputs to cryptographic APIs`.
+     *
+     * Initialization vectors should be unpredictable and unique; ideally, they will be
+     * cryptographically random. They do not have to be secret: IVs are typically just
+     * added to ciphertext messages unencrypted. It may sound contradictory that
+     * something has to be unpredictable and unique, but does not have to be secret;
+     * remember that an attacker must not be able to predict ahead of time what a given
+     * IV will be.
+     * @since v0.1.94
+     * @param options `stream.transform` options
+     */
+    function createDecipheriv(algorithm: CipherCCMTypes, key: CipherKey, iv: BinaryLike, options: CipherCCMOptions): DecipherCCM;
+    function createDecipheriv(algorithm: CipherOCBTypes, key: CipherKey, iv: BinaryLike, options: CipherOCBOptions): DecipherOCB;
+    function createDecipheriv(algorithm: CipherGCMTypes, key: CipherKey, iv: BinaryLike, options?: CipherGCMOptions): DecipherGCM;
+    function createDecipheriv(algorithm: string, key: CipherKey, iv: BinaryLike | null, options?: stream.TransformOptions): Decipher;
+    /**
+     * Instances of the `Decipher` class are used to decrypt data. The class can be
+     * used in one of two ways:
+     *
+     * * As a `stream` that is both readable and writable, where plain encrypted
+     * data is written to produce unencrypted data on the readable side, or
+     * * Using the `decipher.update()` and `decipher.final()` methods to
+     * produce the unencrypted data.
+     *
+     * The {@link createDecipher} or {@link createDecipheriv} methods are
+     * used to create `Decipher` instances. `Decipher` objects are not to be created
+     * directly using the `new` keyword.
+     *
+     * Example: Using `Decipher` objects as streams:
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const {
+     *   scryptSync,
+     *   createDecipheriv
+     * } = await import('crypto');
+     *
+     * const algorithm = 'aes-192-cbc';
+     * const password = 'Password used to generate key';
+     * // Key length is dependent on the algorithm. In this case for aes192, it is
+     * // 24 bytes (192 bits).
+     * // Use the async `crypto.scrypt()` instead.
+     * const key = scryptSync(password, 'salt', 24);
+     * // The IV is usually passed along with the ciphertext.
+     * const iv = Buffer.alloc(16, 0); // Initialization vector.
+     *
+     * const decipher = createDecipheriv(algorithm, key, iv);
+     *
+     * let decrypted = '';
+     * decipher.on('readable', () => {
+     *   while (null !== (chunk = decipher.read())) {
+     *     decrypted += chunk.toString('utf8');
+     *   }
+     * });
+     * decipher.on('end', () => {
+     *   console.log(decrypted);
+     *   // Prints: some clear text data
+     * });
+     *
+     * // Encrypted with same algorithm, key and iv.
+     * const encrypted =
+     *   'e5f79c5915c02171eec6b212d5520d44480993d7d622a7c4c2da32f6efda0ffa';
+     * decipher.write(encrypted, 'hex');
+     * decipher.end();
+     * ```
+     *
+     * Example: Using `Decipher` and piped streams:
+     *
+     * ```js
+     * import {
+     *   createReadStream,
+     *   createWriteStream,
+     * } from 'fs';
+     * import { Buffer } from 'buffer';
+     * const {
+     *   scryptSync,
+     *   createDecipheriv
+     * } = await import('crypto');
+     *
+     * const algorithm = 'aes-192-cbc';
+     * const password = 'Password used to generate key';
+     * // Use the async `crypto.scrypt()` instead.
+     * const key = scryptSync(password, 'salt', 24);
+     * // The IV is usually passed along with the ciphertext.
+     * const iv = Buffer.alloc(16, 0); // Initialization vector.
+     *
+     * const decipher = createDecipheriv(algorithm, key, iv);
+     *
+     * const input = createReadStream('test.enc');
+     * const output = createWriteStream('test.js');
+     *
+     * input.pipe(decipher).pipe(output);
+     * ```
+     *
+     * Example: Using the `decipher.update()` and `decipher.final()` methods:
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const {
+     *   scryptSync,
+     *   createDecipheriv
+     * } = await import('crypto');
+     *
+     * const algorithm = 'aes-192-cbc';
+     * const password = 'Password used to generate key';
+     * // Use the async `crypto.scrypt()` instead.
+     * const key = scryptSync(password, 'salt', 24);
+     * // The IV is usually passed along with the ciphertext.
+     * const iv = Buffer.alloc(16, 0); // Initialization vector.
+     *
+     * const decipher = createDecipheriv(algorithm, key, iv);
+     *
+     * // Encrypted using same algorithm, key and iv.
+     * const encrypted =
+     *   'e5f79c5915c02171eec6b212d5520d44480993d7d622a7c4c2da32f6efda0ffa';
+     * let decrypted = decipher.update(encrypted, 'hex', 'utf8');
+     * decrypted += decipher.final('utf8');
+     * console.log(decrypted);
+     * // Prints: some clear text data
+     * ```
+     * @since v0.1.94
+     */
+    class Decipher extends stream.Transform {
+        private constructor();
+        /**
+         * Updates the decipher with `data`. If the `inputEncoding` argument is given,
+         * the `data`argument is a string using the specified encoding. If the `inputEncoding`argument is not given, `data` must be a `Buffer`. If `data` is a `Buffer` then `inputEncoding` is
+         * ignored.
+         *
+         * The `outputEncoding` specifies the output format of the enciphered
+         * data. If the `outputEncoding`is specified, a string using the specified encoding is returned. If no`outputEncoding` is provided, a `Buffer` is returned.
+         *
+         * The `decipher.update()` method can be called multiple times with new data until `decipher.final()` is called. Calling `decipher.update()` after `decipher.final()` will result in an error
+         * being thrown.
+         * @since v0.1.94
+         * @param inputEncoding The `encoding` of the `data` string.
+         * @param outputEncoding The `encoding` of the return value.
+         */
+        update(data: NodeJS.ArrayBufferView): Buffer;
+        update(data: string, inputEncoding: Encoding): Buffer;
+        update(data: NodeJS.ArrayBufferView, inputEncoding: undefined, outputEncoding: Encoding): string;
+        update(data: string, inputEncoding: Encoding | undefined, outputEncoding: Encoding): string;
+        /**
+         * Once the `decipher.final()` method has been called, the `Decipher` object can
+         * no longer be used to decrypt data. Attempts to call `decipher.final()` more
+         * than once will result in an error being thrown.
+         * @since v0.1.94
+         * @param outputEncoding The `encoding` of the return value.
+         * @return Any remaining deciphered contents. If `outputEncoding` is specified, a string is returned. If an `outputEncoding` is not provided, a {@link Buffer} is returned.
+         */
+        final(): Buffer;
+        final(outputEncoding: BufferEncoding): string;
+        /**
+         * When data has been encrypted without standard block padding, calling`decipher.setAutoPadding(false)` will disable automatic padding to prevent `decipher.final()` from checking for and
+         * removing padding.
+         *
+         * Turning auto padding off will only work if the input data's length is a
+         * multiple of the ciphers block size.
+         *
+         * The `decipher.setAutoPadding()` method must be called before `decipher.final()`.
+         * @since v0.7.1
+         * @param [autoPadding=true]
+         * @return for method chaining.
+         */
+        setAutoPadding(auto_padding?: boolean): this;
+    }
+    interface DecipherCCM extends Decipher {
+        setAuthTag(buffer: NodeJS.ArrayBufferView): this;
+        setAAD(
+            buffer: NodeJS.ArrayBufferView,
+            options: {
+                plaintextLength: number;
+            }
+        ): this;
+    }
+    interface DecipherGCM extends Decipher {
+        setAuthTag(buffer: NodeJS.ArrayBufferView): this;
+        setAAD(
+            buffer: NodeJS.ArrayBufferView,
+            options?: {
+                plaintextLength: number;
+            }
+        ): this;
+    }
+    interface DecipherOCB extends Decipher {
+        setAuthTag(buffer: NodeJS.ArrayBufferView): this;
+        setAAD(
+            buffer: NodeJS.ArrayBufferView,
+            options?: {
+                plaintextLength: number;
+            }
+        ): this;
+    }
+    interface PrivateKeyInput {
+        key: string | Buffer;
+        format?: KeyFormat | undefined;
+        type?: 'pkcs1' | 'pkcs8' | 'sec1' | undefined;
+        passphrase?: string | Buffer | undefined;
+    }
+    interface PublicKeyInput {
+        key: string | Buffer;
+        format?: KeyFormat | undefined;
+        type?: 'pkcs1' | 'spki' | undefined;
+    }
+    /**
+     * Asynchronously generates a new random secret key of the given `length`. The`type` will determine which validations will be performed on the `length`.
+     *
+     * ```js
+     * const {
+     *   generateKey
+     * } = await import('crypto');
+     *
+     * generateKey('hmac', { length: 64 }, (err, key) => {
+     *   if (err) throw err;
+     *   console.log(key.export().toString('hex'));  // 46e..........620
+     * });
+     * ```
+     * @since v15.0.0
+     * @param type The intended use of the generated secret key. Currently accepted values are `'hmac'` and `'aes'`.
+     */
+    function generateKey(
+        type: 'hmac' | 'aes',
+        options: {
+            length: number;
+        },
+        callback: (err: Error | null, key: KeyObject) => void
+    ): void;
+    /**
+     * Synchronously generates a new random secret key of the given `length`. The`type` will determine which validations will be performed on the `length`.
+     *
+     * ```js
+     * const {
+     *   generateKeySync
+     * } = await import('crypto');
+     *
+     * const key = generateKeySync('hmac', { length: 64 });
+     * console.log(key.export().toString('hex'));  // e89..........41e
+     * ```
+     * @since v15.0.0
+     * @param type The intended use of the generated secret key. Currently accepted values are `'hmac'` and `'aes'`.
+     */
+    function generateKeySync(
+        type: 'hmac' | 'aes',
+        options: {
+            length: number;
+        }
+    ): KeyObject;
+    interface JsonWebKeyInput {
+        key: JsonWebKey;
+        format: 'jwk';
+    }
+    /**
+     * Creates and returns a new key object containing a private key. If `key` is a
+     * string or `Buffer`, `format` is assumed to be `'pem'`; otherwise, `key`must be an object with the properties described above.
+     *
+     * If the private key is encrypted, a `passphrase` must be specified. The length
+     * of the passphrase is limited to 1024 bytes.
+     * @since v11.6.0
+     */
+    function createPrivateKey(key: PrivateKeyInput | string | Buffer | JsonWebKeyInput): KeyObject;
+    /**
+     * Creates and returns a new key object containing a public key. If `key` is a
+     * string or `Buffer`, `format` is assumed to be `'pem'`; if `key` is a `KeyObject`with type `'private'`, the public key is derived from the given private key;
+     * otherwise, `key` must be an object with the properties described above.
+     *
+     * If the format is `'pem'`, the `'key'` may also be an X.509 certificate.
+     *
+     * Because public keys can be derived from private keys, a private key may be
+     * passed instead of a public key. In that case, this function behaves as if {@link createPrivateKey} had been called, except that the type of the
+     * returned `KeyObject` will be `'public'` and that the private key cannot be
+     * extracted from the returned `KeyObject`. Similarly, if a `KeyObject` with type`'private'` is given, a new `KeyObject` with type `'public'` will be returned
+     * and it will be impossible to extract the private key from the returned object.
+     * @since v11.6.0
+     */
+    function createPublicKey(key: PublicKeyInput | string | Buffer | KeyObject | JsonWebKeyInput): KeyObject;
+    /**
+     * Creates and returns a new key object containing a secret key for symmetric
+     * encryption or `Hmac`.
+     * @since v11.6.0
+     * @param encoding The string encoding when `key` is a string.
+     */
+    function createSecretKey(key: NodeJS.ArrayBufferView): KeyObject;
+    function createSecretKey(key: string, encoding: BufferEncoding): KeyObject;
+    /**
+     * Creates and returns a `Sign` object that uses the given `algorithm`. Use {@link getHashes} to obtain the names of the available digest algorithms.
+     * Optional `options` argument controls the `stream.Writable` behavior.
+     *
+     * In some cases, a `Sign` instance can be created using the name of a signature
+     * algorithm, such as `'RSA-SHA256'`, instead of a digest algorithm. This will use
+     * the corresponding digest algorithm. This does not work for all signature
+     * algorithms, such as `'ecdsa-with-SHA256'`, so it is best to always use digest
+     * algorithm names.
+     * @since v0.1.92
+     * @param options `stream.Writable` options
+     */
+    function createSign(algorithm: string, options?: stream.WritableOptions): Sign;
+    type DSAEncoding = 'der' | 'ieee-p1363';
+    interface SigningOptions {
+        /**
+         * @See crypto.constants.RSA_PKCS1_PADDING
+         */
+        padding?: number | undefined;
+        saltLength?: number | undefined;
+        dsaEncoding?: DSAEncoding | undefined;
+    }
+    interface SignPrivateKeyInput extends PrivateKeyInput, SigningOptions {}
+    interface SignKeyObjectInput extends SigningOptions {
+        key: KeyObject;
+    }
+    interface VerifyPublicKeyInput extends PublicKeyInput, SigningOptions {}
+    interface VerifyKeyObjectInput extends SigningOptions {
+        key: KeyObject;
+    }
+    type KeyLike = string | Buffer | KeyObject;
+    /**
+     * The `Sign` class is a utility for generating signatures. It can be used in one
+     * of two ways:
+     *
+     * * As a writable `stream`, where data to be signed is written and the `sign.sign()` method is used to generate and return the signature, or
+     * * Using the `sign.update()` and `sign.sign()` methods to produce the
+     * signature.
+     *
+     * The {@link createSign} method is used to create `Sign` instances. The
+     * argument is the string name of the hash function to use. `Sign` objects are not
+     * to be created directly using the `new` keyword.
+     *
+     * Example: Using `Sign` and `Verify` objects as streams:
+     *
+     * ```js
+     * const {
+     *   generateKeyPairSync,
+     *   createSign,
+     *   createVerify
+     * } = await import('crypto');
+     *
+     * const { privateKey, publicKey } = generateKeyPairSync('ec', {
+     *   namedCurve: 'sect239k1'
+     * });
+     *
+     * const sign = createSign('SHA256');
+     * sign.write('some data to sign');
+     * sign.end();
+     * const signature = sign.sign(privateKey, 'hex');
+     *
+     * const verify = createVerify('SHA256');
+     * verify.write('some data to sign');
+     * verify.end();
+     * console.log(verify.verify(publicKey, signature, 'hex'));
+     * // Prints: true
+     * ```
+     *
+     * Example: Using the `sign.update()` and `verify.update()` methods:
+     *
+     * ```js
+     * const {
+     *   generateKeyPairSync,
+     *   createSign,
+     *   createVerify
+     * } = await import('crypto');
+     *
+     * const { privateKey, publicKey } = generateKeyPairSync('rsa', {
+     *   modulusLength: 2048,
+     * });
+     *
+     * const sign = createSign('SHA256');
+     * sign.update('some data to sign');
+     * sign.end();
+     * const signature = sign.sign(privateKey);
+     *
+     * const verify = createVerify('SHA256');
+     * verify.update('some data to sign');
+     * verify.end();
+     * console.log(verify.verify(publicKey, signature));
+     * // Prints: true
+     * ```
+     * @since v0.1.92
+     */
+    class Sign extends stream.Writable {
+        private constructor();
+        /**
+         * Updates the `Sign` content with the given `data`, the encoding of which
+         * is given in `inputEncoding`.
+         * If `encoding` is not provided, and the `data` is a string, an
+         * encoding of `'utf8'` is enforced. If `data` is a `Buffer`, `TypedArray`, or`DataView`, then `inputEncoding` is ignored.
+         *
+         * This can be called many times with new data as it is streamed.
+         * @since v0.1.92
+         * @param inputEncoding The `encoding` of the `data` string.
+         */
+        update(data: BinaryLike): this;
+        update(data: string, inputEncoding: Encoding): this;
+        /**
+         * Calculates the signature on all the data passed through using either `sign.update()` or `sign.write()`.
+         *
+         * If `privateKey` is not a `KeyObject`, this function behaves as if`privateKey` had been passed to {@link createPrivateKey}. If it is an
+         * object, the following additional properties can be passed:
+         *
+         * If `outputEncoding` is provided a string is returned; otherwise a `Buffer` is returned.
+         *
+         * The `Sign` object can not be again used after `sign.sign()` method has been
+         * called. Multiple calls to `sign.sign()` will result in an error being thrown.
+         * @since v0.1.92
+         */
+        sign(privateKey: KeyLike | SignKeyObjectInput | SignPrivateKeyInput): Buffer;
+        sign(privateKey: KeyLike | SignKeyObjectInput | SignPrivateKeyInput, outputFormat: BinaryToTextEncoding): string;
+    }
+    /**
+     * Creates and returns a `Verify` object that uses the given algorithm.
+     * Use {@link getHashes} to obtain an array of names of the available
+     * signing algorithms. Optional `options` argument controls the`stream.Writable` behavior.
+     *
+     * In some cases, a `Verify` instance can be created using the name of a signature
+     * algorithm, such as `'RSA-SHA256'`, instead of a digest algorithm. This will use
+     * the corresponding digest algorithm. This does not work for all signature
+     * algorithms, such as `'ecdsa-with-SHA256'`, so it is best to always use digest
+     * algorithm names.
+     * @since v0.1.92
+     * @param options `stream.Writable` options
+     */
+    function createVerify(algorithm: string, options?: stream.WritableOptions): Verify;
+    /**
+     * The `Verify` class is a utility for verifying signatures. It can be used in one
+     * of two ways:
+     *
+     * * As a writable `stream` where written data is used to validate against the
+     * supplied signature, or
+     * * Using the `verify.update()` and `verify.verify()` methods to verify
+     * the signature.
+     *
+     * The {@link createVerify} method is used to create `Verify` instances.`Verify` objects are not to be created directly using the `new` keyword.
+     *
+     * See `Sign` for examples.
+     * @since v0.1.92
+     */
+    class Verify extends stream.Writable {
+        private constructor();
+        /**
+         * Updates the `Verify` content with the given `data`, the encoding of which
+         * is given in `inputEncoding`.
+         * If `inputEncoding` is not provided, and the `data` is a string, an
+         * encoding of `'utf8'` is enforced. If `data` is a `Buffer`, `TypedArray`, or`DataView`, then `inputEncoding` is ignored.
+         *
+         * This can be called many times with new data as it is streamed.
+         * @since v0.1.92
+         * @param inputEncoding The `encoding` of the `data` string.
+         */
+        update(data: BinaryLike): Verify;
+        update(data: string, inputEncoding: Encoding): Verify;
+        /**
+         * Verifies the provided data using the given `object` and `signature`.
+         *
+         * If `object` is not a `KeyObject`, this function behaves as if`object` had been passed to {@link createPublicKey}. If it is an
+         * object, the following additional properties can be passed:
+         *
+         * The `signature` argument is the previously calculated signature for the data, in
+         * the `signatureEncoding`.
+         * If a `signatureEncoding` is specified, the `signature` is expected to be a
+         * string; otherwise `signature` is expected to be a `Buffer`,`TypedArray`, or `DataView`.
+         *
+         * The `verify` object can not be used again after `verify.verify()` has been
+         * called. Multiple calls to `verify.verify()` will result in an error being
+         * thrown.
+         *
+         * Because public keys can be derived from private keys, a private key may
+         * be passed instead of a public key.
+         * @since v0.1.92
+         */
+        verify(object: KeyLike | VerifyKeyObjectInput | VerifyPublicKeyInput, signature: NodeJS.ArrayBufferView): boolean;
+        verify(object: KeyLike | VerifyKeyObjectInput | VerifyPublicKeyInput, signature: string, signature_format?: BinaryToTextEncoding): boolean;
+    }
+    /**
+     * Creates a `DiffieHellman` key exchange object using the supplied `prime` and an
+     * optional specific `generator`.
+     *
+     * The `generator` argument can be a number, string, or `Buffer`. If`generator` is not specified, the value `2` is used.
+     *
+     * If `primeEncoding` is specified, `prime` is expected to be a string; otherwise
+     * a `Buffer`, `TypedArray`, or `DataView` is expected.
+     *
+     * If `generatorEncoding` is specified, `generator` is expected to be a string;
+     * otherwise a number, `Buffer`, `TypedArray`, or `DataView` is expected.
+     * @since v0.11.12
+     * @param primeEncoding The `encoding` of the `prime` string.
+     * @param [generator=2]
+     * @param generatorEncoding The `encoding` of the `generator` string.
+     */
+    function createDiffieHellman(primeLength: number, generator?: number): DiffieHellman;
+    function createDiffieHellman(prime: ArrayBuffer | NodeJS.ArrayBufferView, generator?: number | ArrayBuffer | NodeJS.ArrayBufferView): DiffieHellman;
+    function createDiffieHellman(prime: ArrayBuffer | NodeJS.ArrayBufferView, generator: string, generatorEncoding: BinaryToTextEncoding): DiffieHellman;
+    function createDiffieHellman(prime: string, primeEncoding: BinaryToTextEncoding, generator?: number | ArrayBuffer | NodeJS.ArrayBufferView): DiffieHellman;
+    function createDiffieHellman(prime: string, primeEncoding: BinaryToTextEncoding, generator: string, generatorEncoding: BinaryToTextEncoding): DiffieHellman;
+    /**
+     * The `DiffieHellman` class is a utility for creating Diffie-Hellman key
+     * exchanges.
+     *
+     * Instances of the `DiffieHellman` class can be created using the {@link createDiffieHellman} function.
+     *
+     * ```js
+     * import assert from 'assert';
+     *
+     * const {
+     *   createDiffieHellman
+     * } = await import('crypto');
+     *
+     * // Generate Alice's keys...
+     * const alice = createDiffieHellman(2048);
+     * const aliceKey = alice.generateKeys();
+     *
+     * // Generate Bob's keys...
+     * const bob = createDiffieHellman(alice.getPrime(), alice.getGenerator());
+     * const bobKey = bob.generateKeys();
+     *
+     * // Exchange and generate the secret...
+     * const aliceSecret = alice.computeSecret(bobKey);
+     * const bobSecret = bob.computeSecret(aliceKey);
+     *
+     * // OK
+     * assert.strictEqual(aliceSecret.toString('hex'), bobSecret.toString('hex'));
+     * ```
+     * @since v0.5.0
+     */
+    class DiffieHellman {
+        private constructor();
+        /**
+         * Generates private and public Diffie-Hellman key values, and returns
+         * the public key in the specified `encoding`. This key should be
+         * transferred to the other party.
+         * If `encoding` is provided a string is returned; otherwise a `Buffer` is returned.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the return value.
+         */
+        generateKeys(): Buffer;
+        generateKeys(encoding: BinaryToTextEncoding): string;
+        /**
+         * Computes the shared secret using `otherPublicKey` as the other
+         * party's public key and returns the computed shared secret. The supplied
+         * key is interpreted using the specified `inputEncoding`, and secret is
+         * encoded using specified `outputEncoding`.
+         * If the `inputEncoding` is not
+         * provided, `otherPublicKey` is expected to be a `Buffer`,`TypedArray`, or `DataView`.
+         *
+         * If `outputEncoding` is given a string is returned; otherwise, a `Buffer` is returned.
+         * @since v0.5.0
+         * @param inputEncoding The `encoding` of an `otherPublicKey` string.
+         * @param outputEncoding The `encoding` of the return value.
+         */
+        computeSecret(otherPublicKey: NodeJS.ArrayBufferView, inputEncoding?: null, outputEncoding?: null): Buffer;
+        computeSecret(otherPublicKey: string, inputEncoding: BinaryToTextEncoding, outputEncoding?: null): Buffer;
+        computeSecret(otherPublicKey: NodeJS.ArrayBufferView, inputEncoding: null, outputEncoding: BinaryToTextEncoding): string;
+        computeSecret(otherPublicKey: string, inputEncoding: BinaryToTextEncoding, outputEncoding: BinaryToTextEncoding): string;
+        /**
+         * Returns the Diffie-Hellman prime in the specified `encoding`.
+         * If `encoding` is provided a string is
+         * returned; otherwise a `Buffer` is returned.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the return value.
+         */
+        getPrime(): Buffer;
+        getPrime(encoding: BinaryToTextEncoding): string;
+        /**
+         * Returns the Diffie-Hellman generator in the specified `encoding`.
+         * If `encoding` is provided a string is
+         * returned; otherwise a `Buffer` is returned.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the return value.
+         */
+        getGenerator(): Buffer;
+        getGenerator(encoding: BinaryToTextEncoding): string;
+        /**
+         * Returns the Diffie-Hellman public key in the specified `encoding`.
+         * If `encoding` is provided a
+         * string is returned; otherwise a `Buffer` is returned.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the return value.
+         */
+        getPublicKey(): Buffer;
+        getPublicKey(encoding: BinaryToTextEncoding): string;
+        /**
+         * Returns the Diffie-Hellman private key in the specified `encoding`.
+         * If `encoding` is provided a
+         * string is returned; otherwise a `Buffer` is returned.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the return value.
+         */
+        getPrivateKey(): Buffer;
+        getPrivateKey(encoding: BinaryToTextEncoding): string;
+        /**
+         * Sets the Diffie-Hellman public key. If the `encoding` argument is provided,`publicKey` is expected
+         * to be a string. If no `encoding` is provided, `publicKey` is expected
+         * to be a `Buffer`, `TypedArray`, or `DataView`.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the `publicKey` string.
+         */
+        setPublicKey(publicKey: NodeJS.ArrayBufferView): void;
+        setPublicKey(publicKey: string, encoding: BufferEncoding): void;
+        /**
+         * Sets the Diffie-Hellman private key. If the `encoding` argument is provided,`privateKey` is expected
+         * to be a string. If no `encoding` is provided, `privateKey` is expected
+         * to be a `Buffer`, `TypedArray`, or `DataView`.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the `privateKey` string.
+         */
+        setPrivateKey(privateKey: NodeJS.ArrayBufferView): void;
+        setPrivateKey(privateKey: string, encoding: BufferEncoding): void;
+        /**
+         * A bit field containing any warnings and/or errors resulting from a check
+         * performed during initialization of the `DiffieHellman` object.
+         *
+         * The following values are valid for this property (as defined in `constants`module):
+         *
+         * * `DH_CHECK_P_NOT_SAFE_PRIME`
+         * * `DH_CHECK_P_NOT_PRIME`
+         * * `DH_UNABLE_TO_CHECK_GENERATOR`
+         * * `DH_NOT_SUITABLE_GENERATOR`
+         * @since v0.11.12
+         */
+        verifyError: number;
+    }
+    /**
+     * The `DiffieHellmanGroup` class takes a well-known modp group as its argument.
+     * It works the same as `DiffieHellman`, except that it does not allow changing its keys after creation.
+     * In other words, it does not implement `setPublicKey()` or `setPrivateKey()` methods.
+     *
+     * ```js
+     * const { createDiffieHellmanGroup } = await import('node:crypto');
+     * const dh = createDiffieHellmanGroup('modp1');
+     * ```
+     * The name (e.g. `'modp1'`) is taken from [RFC 2412](https://www.rfc-editor.org/rfc/rfc2412.txt) (modp1 and 2) and [RFC 3526](https://www.rfc-editor.org/rfc/rfc3526.txt):
+     * ```bash
+     * $ perl -ne 'print "$1\n" if /"(modp\d+)"/' src/node_crypto_groups.h
+     * modp1  #  768 bits
+     * modp2  # 1024 bits
+     * modp5  # 1536 bits
+     * modp14 # 2048 bits
+     * modp15 # etc.
+     * modp16
+     * modp17
+     * modp18
+     * ```
+     * @since v0.7.5
+     */
+    const DiffieHellmanGroup: DiffieHellmanGroupConstructor;
+    interface DiffieHellmanGroupConstructor {
+        new(name: string): DiffieHellmanGroup;
+        (name: string): DiffieHellmanGroup;
+        readonly prototype: DiffieHellmanGroup;
+    }
+    type DiffieHellmanGroup = Omit<DiffieHellman, 'setPublicKey' | 'setPrivateKey'>;
+    /**
+     * Creates a predefined `DiffieHellmanGroup` key exchange object. The
+     * supported groups are: `'modp1'`, `'modp2'`, `'modp5'` (defined in [RFC 2412](https://www.rfc-editor.org/rfc/rfc2412.txt), but see `Caveats`) and `'modp14'`, `'modp15'`,`'modp16'`, `'modp17'`,
+     * `'modp18'` (defined in [RFC 3526](https://www.rfc-editor.org/rfc/rfc3526.txt)). The
+     * returned object mimics the interface of objects created by {@link createDiffieHellman}, but will not allow changing
+     * the keys (with `diffieHellman.setPublicKey()`, for example). The
+     * advantage of using this method is that the parties do not have to
+     * generate nor exchange a group modulus beforehand, saving both processor
+     * and communication time.
+     *
+     * Example (obtaining a shared secret):
+     *
+     * ```js
+     * const {
+     *   getDiffieHellman
+     * } = await import('crypto');
+     * const alice = getDiffieHellman('modp14');
+     * const bob = getDiffieHellman('modp14');
+     *
+     * alice.generateKeys();
+     * bob.generateKeys();
+     *
+     * const aliceSecret = alice.computeSecret(bob.getPublicKey(), null, 'hex');
+     * const bobSecret = bob.computeSecret(alice.getPublicKey(), null, 'hex');
+     *
+     * // aliceSecret and bobSecret should be the same
+     * console.log(aliceSecret === bobSecret);
+     * ```
+     * @since v0.7.5
+     */
+    function getDiffieHellman(groupName: string): DiffieHellmanGroup;
+    /**
+     * An alias for {@link getDiffieHellman}
+     * @since v0.9.3
+     */
+    function createDiffieHellmanGroup(name: string): DiffieHellmanGroup;
+    /**
+     * Provides an asynchronous Password-Based Key Derivation Function 2 (PBKDF2)
+     * implementation. A selected HMAC digest algorithm specified by `digest` is
+     * applied to derive a key of the requested byte length (`keylen`) from the`password`, `salt` and `iterations`.
+     *
+     * The supplied `callback` function is called with two arguments: `err` and`derivedKey`. If an error occurs while deriving the key, `err` will be set;
+     * otherwise `err` will be `null`. By default, the successfully generated`derivedKey` will be passed to the callback as a `Buffer`. An error will be
+     * thrown if any of the input arguments specify invalid values or types.
+     *
+     * If `digest` is `null`, `'sha1'` will be used. This behavior is deprecated,
+     * please specify a `digest` explicitly.
+     *
+     * The `iterations` argument must be a number set as high as possible. The
+     * higher the number of iterations, the more secure the derived key will be,
+     * but will take a longer amount of time to complete.
+     *
+     * The `salt` should be as unique as possible. It is recommended that a salt is
+     * random and at least 16 bytes long. See [NIST SP 800-132](https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf) for details.
+     *
+     * When passing strings for `password` or `salt`, please consider `caveats when using strings as inputs to cryptographic APIs`.
+     *
+     * ```js
+     * const {
+     *   pbkdf2
+     * } = await import('crypto');
+     *
+     * pbkdf2('secret', 'salt', 100000, 64, 'sha512', (err, derivedKey) => {
+     *   if (err) throw err;
+     *   console.log(derivedKey.toString('hex'));  // '3745e48...08d59ae'
+     * });
+     * ```
+     *
+     * The `crypto.DEFAULT_ENCODING` property can be used to change the way the`derivedKey` is passed to the callback. This property, however, has been
+     * deprecated and use should be avoided.
+     *
+     * ```js
+     * import crypto from 'crypto';
+     * crypto.DEFAULT_ENCODING = 'hex';
+     * crypto.pbkdf2('secret', 'salt', 100000, 512, 'sha512', (err, derivedKey) => {
+     *   if (err) throw err;
+     *   console.log(derivedKey);  // '3745e48...aa39b34'
+     * });
+     * ```
+     *
+     * An array of supported digest functions can be retrieved using {@link getHashes}.
+     *
+     * This API uses libuv's threadpool, which can have surprising and
+     * negative performance implications for some applications; see the `UV_THREADPOOL_SIZE` documentation for more information.
+     * @since v0.5.5
+     */
+    function pbkdf2(password: BinaryLike, salt: BinaryLike, iterations: number, keylen: number, digest: string, callback: (err: Error | null, derivedKey: Buffer) => void): void;
+    /**
+     * Provides a synchronous Password-Based Key Derivation Function 2 (PBKDF2)
+     * implementation. A selected HMAC digest algorithm specified by `digest` is
+     * applied to derive a key of the requested byte length (`keylen`) from the`password`, `salt` and `iterations`.
+     *
+     * If an error occurs an `Error` will be thrown, otherwise the derived key will be
+     * returned as a `Buffer`.
+     *
+     * If `digest` is `null`, `'sha1'` will be used. This behavior is deprecated,
+     * please specify a `digest` explicitly.
+     *
+     * The `iterations` argument must be a number set as high as possible. The
+     * higher the number of iterations, the more secure the derived key will be,
+     * but will take a longer amount of time to complete.
+     *
+     * The `salt` should be as unique as possible. It is recommended that a salt is
+     * random and at least 16 bytes long. See [NIST SP 800-132](https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf) for details.
+     *
+     * When passing strings for `password` or `salt`, please consider `caveats when using strings as inputs to cryptographic APIs`.
+     *
+     * ```js
+     * const {
+     *   pbkdf2Sync
+     * } = await import('crypto');
+     *
+     * const key = pbkdf2Sync('secret', 'salt', 100000, 64, 'sha512');
+     * console.log(key.toString('hex'));  // '3745e48...08d59ae'
+     * ```
+     *
+     * The `crypto.DEFAULT_ENCODING` property may be used to change the way the`derivedKey` is returned. This property, however, is deprecated and use
+     * should be avoided.
+     *
+     * ```js
+     * import crypto from 'crypto';
+     * crypto.DEFAULT_ENCODING = 'hex';
+     * const key = crypto.pbkdf2Sync('secret', 'salt', 100000, 512, 'sha512');
+     * console.log(key);  // '3745e48...aa39b34'
+     * ```
+     *
+     * An array of supported digest functions can be retrieved using {@link getHashes}.
+     * @since v0.9.3
+     */
+    function pbkdf2Sync(password: BinaryLike, salt: BinaryLike, iterations: number, keylen: number, digest: string): Buffer;
+    /**
+     * Generates cryptographically strong pseudorandom data. The `size` argument
+     * is a number indicating the number of bytes to generate.
+     *
+     * If a `callback` function is provided, the bytes are generated asynchronously
+     * and the `callback` function is invoked with two arguments: `err` and `buf`.
+     * If an error occurs, `err` will be an `Error` object; otherwise it is `null`. The`buf` argument is a `Buffer` containing the generated bytes.
+     *
+     * ```js
+     * // Asynchronous
+     * const {
+     *   randomBytes
+     * } = await import('crypto');
+     *
+     * randomBytes(256, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(`${buf.length} bytes of random data: ${buf.toString('hex')}`);
+     * });
+     * ```
+     *
+     * If the `callback` function is not provided, the random bytes are generated
+     * synchronously and returned as a `Buffer`. An error will be thrown if
+     * there is a problem generating the bytes.
+     *
+     * ```js
+     * // Synchronous
+     * const {
+     *   randomBytes
+     * } = await import('crypto');
+     *
+     * const buf = randomBytes(256);
+     * console.log(
+     *   `${buf.length} bytes of random data: ${buf.toString('hex')}`);
+     * ```
+     *
+     * The `crypto.randomBytes()` method will not complete until there is
+     * sufficient entropy available.
+     * This should normally never take longer than a few milliseconds. The only time
+     * when generating the random bytes may conceivably block for a longer period of
+     * time is right after boot, when the whole system is still low on entropy.
+     *
+     * This API uses libuv's threadpool, which can have surprising and
+     * negative performance implications for some applications; see the `UV_THREADPOOL_SIZE` documentation for more information.
+     *
+     * The asynchronous version of `crypto.randomBytes()` is carried out in a single
+     * threadpool request. To minimize threadpool task length variation, partition
+     * large `randomBytes` requests when doing so as part of fulfilling a client
+     * request.
+     * @since v0.5.8
+     * @param size The number of bytes to generate. The `size` must not be larger than `2**31 - 1`.
+     * @return if the `callback` function is not provided.
+     */
+    function randomBytes(size: number): Buffer;
+    function randomBytes(size: number, callback: (err: Error | null, buf: Buffer) => void): void;
+    function pseudoRandomBytes(size: number): Buffer;
+    function pseudoRandomBytes(size: number, callback: (err: Error | null, buf: Buffer) => void): void;
+    /**
+     * Return a random integer `n` such that `min <= n < max`.  This
+     * implementation avoids [modulo bias](https://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle#Modulo_bias).
+     *
+     * The range (`max - min`) must be less than 248. `min` and `max` must
+     * be [safe integers](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isSafeInteger).
+     *
+     * If the `callback` function is not provided, the random integer is
+     * generated synchronously.
+     *
+     * ```js
+     * // Asynchronous
+     * const {
+     *   randomInt
+     * } = await import('crypto');
+     *
+     * randomInt(3, (err, n) => {
+     *   if (err) throw err;
+     *   console.log(`Random number chosen from (0, 1, 2): ${n}`);
+     * });
+     * ```
+     *
+     * ```js
+     * // Synchronous
+     * const {
+     *   randomInt
+     * } = await import('crypto');
+     *
+     * const n = randomInt(3);
+     * console.log(`Random number chosen from (0, 1, 2): ${n}`);
+     * ```
+     *
+     * ```js
+     * // With `min` argument
+     * const {
+     *   randomInt
+     * } = await import('crypto');
+     *
+     * const n = randomInt(1, 7);
+     * console.log(`The dice rolled: ${n}`);
+     * ```
+     * @since v14.10.0, v12.19.0
+     * @param [min=0] Start of random range (inclusive).
+     * @param max End of random range (exclusive).
+     * @param callback `function(err, n) {}`.
+     */
+    function randomInt(max: number): number;
+    function randomInt(min: number, max: number): number;
+    function randomInt(max: number, callback: (err: Error | null, value: number) => void): void;
+    function randomInt(min: number, max: number, callback: (err: Error | null, value: number) => void): void;
+    /**
+     * Synchronous version of {@link randomFill}.
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const { randomFillSync } = await import('crypto');
+     *
+     * const buf = Buffer.alloc(10);
+     * console.log(randomFillSync(buf).toString('hex'));
+     *
+     * randomFillSync(buf, 5);
+     * console.log(buf.toString('hex'));
+     *
+     * // The above is equivalent to the following:
+     * randomFillSync(buf, 5, 5);
+     * console.log(buf.toString('hex'));
+     * ```
+     *
+     * Any `ArrayBuffer`, `TypedArray` or `DataView` instance may be passed as`buffer`.
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const { randomFillSync } = await import('crypto');
+     *
+     * const a = new Uint32Array(10);
+     * console.log(Buffer.from(randomFillSync(a).buffer,
+     *                         a.byteOffset, a.byteLength).toString('hex'));
+     *
+     * const b = new DataView(new ArrayBuffer(10));
+     * console.log(Buffer.from(randomFillSync(b).buffer,
+     *                         b.byteOffset, b.byteLength).toString('hex'));
+     *
+     * const c = new ArrayBuffer(10);
+     * console.log(Buffer.from(randomFillSync(c)).toString('hex'));
+     * ```
+     * @since v7.10.0, v6.13.0
+     * @param buffer Must be supplied. The size of the provided `buffer` must not be larger than `2**31 - 1`.
+     * @param [offset=0]
+     * @param [size=buffer.length - offset]
+     * @return The object passed as `buffer` argument.
+     */
+    function randomFillSync<T extends NodeJS.ArrayBufferView>(buffer: T, offset?: number, size?: number): T;
+    /**
+     * This function is similar to {@link randomBytes} but requires the first
+     * argument to be a `Buffer` that will be filled. It also
+     * requires that a callback is passed in.
+     *
+     * If the `callback` function is not provided, an error will be thrown.
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const { randomFill } = await import('crypto');
+     *
+     * const buf = Buffer.alloc(10);
+     * randomFill(buf, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(buf.toString('hex'));
+     * });
+     *
+     * randomFill(buf, 5, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(buf.toString('hex'));
+     * });
+     *
+     * // The above is equivalent to the following:
+     * randomFill(buf, 5, 5, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(buf.toString('hex'));
+     * });
+     * ```
+     *
+     * Any `ArrayBuffer`, `TypedArray`, or `DataView` instance may be passed as`buffer`.
+     *
+     * While this includes instances of `Float32Array` and `Float64Array`, this
+     * function should not be used to generate random floating-point numbers. The
+     * result may contain `+Infinity`, `-Infinity`, and `NaN`, and even if the array
+     * contains finite numbers only, they are not drawn from a uniform random
+     * distribution and have no meaningful lower or upper bounds.
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const { randomFill } = await import('crypto');
+     *
+     * const a = new Uint32Array(10);
+     * randomFill(a, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength)
+     *     .toString('hex'));
+     * });
+     *
+     * const b = new DataView(new ArrayBuffer(10));
+     * randomFill(b, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength)
+     *     .toString('hex'));
+     * });
+     *
+     * const c = new ArrayBuffer(10);
+     * randomFill(c, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(Buffer.from(buf).toString('hex'));
+     * });
+     * ```
+     *
+     * This API uses libuv's threadpool, which can have surprising and
+     * negative performance implications for some applications; see the `UV_THREADPOOL_SIZE` documentation for more information.
+     *
+     * The asynchronous version of `crypto.randomFill()` is carried out in a single
+     * threadpool request. To minimize threadpool task length variation, partition
+     * large `randomFill` requests when doing so as part of fulfilling a client
+     * request.
+     * @since v7.10.0, v6.13.0
+     * @param buffer Must be supplied. The size of the provided `buffer` must not be larger than `2**31 - 1`.
+     * @param [offset=0]
+     * @param [size=buffer.length - offset]
+     * @param callback `function(err, buf) {}`.
+     */
+    function randomFill<T extends NodeJS.ArrayBufferView>(buffer: T, callback: (err: Error | null, buf: T) => void): void;
+    function randomFill<T extends NodeJS.ArrayBufferView>(buffer: T, offset: number, callback: (err: Error | null, buf: T) => void): void;
+    function randomFill<T extends NodeJS.ArrayBufferView>(buffer: T, offset: number, size: number, callback: (err: Error | null, buf: T) => void): void;
+    interface ScryptOptions {
+        cost?: number | undefined;
+        blockSize?: number | undefined;
+        parallelization?: number | undefined;
+        N?: number | undefined;
+        r?: number | undefined;
+        p?: number | undefined;
+        maxmem?: number | undefined;
+    }
+    /**
+     * Provides an asynchronous [scrypt](https://en.wikipedia.org/wiki/Scrypt) implementation. Scrypt is a password-based
+     * key derivation function that is designed to be expensive computationally and
+     * memory-wise in order to make brute-force attacks unrewarding.
+     *
+     * The `salt` should be as unique as possible. It is recommended that a salt is
+     * random and at least 16 bytes long. See [NIST SP 800-132](https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf) for details.
+     *
+     * When passing strings for `password` or `salt`, please consider `caveats when using strings as inputs to cryptographic APIs`.
+     *
+     * The `callback` function is called with two arguments: `err` and `derivedKey`.`err` is an exception object when key derivation fails, otherwise `err` is`null`. `derivedKey` is passed to the
+     * callback as a `Buffer`.
+     *
+     * An exception is thrown when any of the input arguments specify invalid values
+     * or types.
+     *
+     * ```js
+     * const {
+     *   scrypt
+     * } = await import('crypto');
+     *
+     * // Using the factory defaults.
+     * scrypt('password', 'salt', 64, (err, derivedKey) => {
+     *   if (err) throw err;
+     *   console.log(derivedKey.toString('hex'));  // '3745e48...08d59ae'
+     * });
+     * // Using a custom N parameter. Must be a power of two.
+     * scrypt('password', 'salt', 64, { N: 1024 }, (err, derivedKey) => {
+     *   if (err) throw err;
+     *   console.log(derivedKey.toString('hex'));  // '3745e48...aa39b34'
+     * });
+     * ```
+     * @since v10.5.0
+     */
+    function scrypt(password: BinaryLike, salt: BinaryLike, keylen: number, callback: (err: Error | null, derivedKey: Buffer) => void): void;
+    function scrypt(password: BinaryLike, salt: BinaryLike, keylen: number, options: ScryptOptions, callback: (err: Error | null, derivedKey: Buffer) => void): void;
+    /**
+     * Provides a synchronous [scrypt](https://en.wikipedia.org/wiki/Scrypt) implementation. Scrypt is a password-based
+     * key derivation function that is designed to be expensive computationally and
+     * memory-wise in order to make brute-force attacks unrewarding.
+     *
+     * The `salt` should be as unique as possible. It is recommended that a salt is
+     * random and at least 16 bytes long. See [NIST SP 800-132](https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf) for details.
+     *
+     * When passing strings for `password` or `salt`, please consider `caveats when using strings as inputs to cryptographic APIs`.
+     *
+     * An exception is thrown when key derivation fails, otherwise the derived key is
+     * returned as a `Buffer`.
+     *
+     * An exception is thrown when any of the input arguments specify invalid values
+     * or types.
+     *
+     * ```js
+     * const {
+     *   scryptSync
+     * } = await import('crypto');
+     * // Using the factory defaults.
+     *
+     * const key1 = scryptSync('password', 'salt', 64);
+     * console.log(key1.toString('hex'));  // '3745e48...08d59ae'
+     * // Using a custom N parameter. Must be a power of two.
+     * const key2 = scryptSync('password', 'salt', 64, { N: 1024 });
+     * console.log(key2.toString('hex'));  // '3745e48...aa39b34'
+     * ```
+     * @since v10.5.0
+     */
+    function scryptSync(password: BinaryLike, salt: BinaryLike, keylen: number, options?: ScryptOptions): Buffer;
+    interface RsaPublicKey {
+        key: KeyLike;
+        padding?: number | undefined;
+    }
+    interface RsaPrivateKey {
+        key: KeyLike;
+        passphrase?: string | undefined;
+        /**
+         * @default 'sha1'
+         */
+        oaepHash?: string | undefined;
+        oaepLabel?: NodeJS.TypedArray | undefined;
+        padding?: number | undefined;
+    }
+    /**
+     * Encrypts the content of `buffer` with `key` and returns a new `Buffer` with encrypted content. The returned data can be decrypted using
+     * the corresponding private key, for example using {@link privateDecrypt}.
+     *
+     * If `key` is not a `KeyObject`, this function behaves as if`key` had been passed to {@link createPublicKey}. If it is an
+     * object, the `padding` property can be passed. Otherwise, this function uses`RSA_PKCS1_OAEP_PADDING`.
+     *
+     * Because RSA public keys can be derived from private keys, a private key may
+     * be passed instead of a public key.
+     * @since v0.11.14
+     */
+    function publicEncrypt(key: RsaPublicKey | RsaPrivateKey | KeyLike, buffer: NodeJS.ArrayBufferView): Buffer;
+    /**
+     * Decrypts `buffer` with `key`.`buffer` was previously encrypted using
+     * the corresponding private key, for example using {@link privateEncrypt}.
+     *
+     * If `key` is not a `KeyObject`, this function behaves as if`key` had been passed to {@link createPublicKey}. If it is an
+     * object, the `padding` property can be passed. Otherwise, this function uses`RSA_PKCS1_PADDING`.
+     *
+     * Because RSA public keys can be derived from private keys, a private key may
+     * be passed instead of a public key.
+     * @since v1.1.0
+     */
+    function publicDecrypt(key: RsaPublicKey | RsaPrivateKey | KeyLike, buffer: NodeJS.ArrayBufferView): Buffer;
+    /**
+     * Decrypts `buffer` with `privateKey`. `buffer` was previously encrypted using
+     * the corresponding public key, for example using {@link publicEncrypt}.
+     *
+     * If `privateKey` is not a `KeyObject`, this function behaves as if`privateKey` had been passed to {@link createPrivateKey}. If it is an
+     * object, the `padding` property can be passed. Otherwise, this function uses`RSA_PKCS1_OAEP_PADDING`.
+     * @since v0.11.14
+     */
+    function privateDecrypt(privateKey: RsaPrivateKey | KeyLike, buffer: NodeJS.ArrayBufferView): Buffer;
+    /**
+     * Encrypts `buffer` with `privateKey`. The returned data can be decrypted using
+     * the corresponding public key, for example using {@link publicDecrypt}.
+     *
+     * If `privateKey` is not a `KeyObject`, this function behaves as if`privateKey` had been passed to {@link createPrivateKey}. If it is an
+     * object, the `padding` property can be passed. Otherwise, this function uses`RSA_PKCS1_PADDING`.
+     * @since v1.1.0
+     */
+    function privateEncrypt(privateKey: RsaPrivateKey | KeyLike, buffer: NodeJS.ArrayBufferView): Buffer;
+    /**
+     * ```js
+     * const {
+     *   getCiphers
+     * } = await import('crypto');
+     *
+     * console.log(getCiphers()); // ['aes-128-cbc', 'aes-128-ccm', ...]
+     * ```
+     * @since v0.9.3
+     * @return An array with the names of the supported cipher algorithms.
+     */
+    function getCiphers(): string[];
+    /**
+     * ```js
+     * const {
+     *   getCurves
+     * } = await import('crypto');
+     *
+     * console.log(getCurves()); // ['Oakley-EC2N-3', 'Oakley-EC2N-4', ...]
+     * ```
+     * @since v2.3.0
+     * @return An array with the names of the supported elliptic curves.
+     */
+    function getCurves(): string[];
+    /**
+     * @since v10.0.0
+     * @return `1` if and only if a FIPS compliant crypto provider is currently in use, `0` otherwise. A future semver-major release may change the return type of this API to a {boolean}.
+     */
+    function getFips(): 1 | 0;
+    /**
+     * Enables the FIPS compliant crypto provider in a FIPS-enabled Node.js build. Throws an error if FIPS mode is not available.
+     * @since v10.0.0
+     * @param bool `true` to enable FIPS mode.
+     */
+    function setFips(bool: boolean): void;
+    /**
+     * ```js
+     * const {
+     *   getHashes
+     * } = await import('crypto');
+     *
+     * console.log(getHashes()); // ['DSA', 'DSA-SHA', 'DSA-SHA1', ...]
+     * ```
+     * @since v0.9.3
+     * @return An array of the names of the supported hash algorithms, such as `'RSA-SHA256'`. Hash algorithms are also called "digest" algorithms.
+     */
+    function getHashes(): string[];
+    /**
+     * The `ECDH` class is a utility for creating Elliptic Curve Diffie-Hellman (ECDH)
+     * key exchanges.
+     *
+     * Instances of the `ECDH` class can be created using the {@link createECDH} function.
+     *
+     * ```js
+     * import assert from 'assert';
+     *
+     * const {
+     *   createECDH
+     * } = await import('crypto');
+     *
+     * // Generate Alice's keys...
+     * const alice = createECDH('secp521r1');
+     * const aliceKey = alice.generateKeys();
+     *
+     * // Generate Bob's keys...
+     * const bob = createECDH('secp521r1');
+     * const bobKey = bob.generateKeys();
+     *
+     * // Exchange and generate the secret...
+     * const aliceSecret = alice.computeSecret(bobKey);
+     * const bobSecret = bob.computeSecret(aliceKey);
+     *
+     * assert.strictEqual(aliceSecret.toString('hex'), bobSecret.toString('hex'));
+     * // OK
+     * ```
+     * @since v0.11.14
+     */
+    class ECDH {
+        private constructor();
+        /**
+         * Converts the EC Diffie-Hellman public key specified by `key` and `curve` to the
+         * format specified by `format`. The `format` argument specifies point encoding
+         * and can be `'compressed'`, `'uncompressed'` or `'hybrid'`. The supplied key is
+         * interpreted using the specified `inputEncoding`, and the returned key is encoded
+         * using the specified `outputEncoding`.
+         *
+         * Use {@link getCurves} to obtain a list of available curve names.
+         * On recent OpenSSL releases, `openssl ecparam -list_curves` will also display
+         * the name and description of each available elliptic curve.
+         *
+         * If `format` is not specified the point will be returned in `'uncompressed'`format.
+         *
+         * If the `inputEncoding` is not provided, `key` is expected to be a `Buffer`,`TypedArray`, or `DataView`.
+         *
+         * Example (uncompressing a key):
+         *
+         * ```js
+         * const {
+         *   createECDH,
+         *   ECDH
+         * } = await import('crypto');
+         *
+         * const ecdh = createECDH('secp256k1');
+         * ecdh.generateKeys();
+         *
+         * const compressedKey = ecdh.getPublicKey('hex', 'compressed');
+         *
+         * const uncompressedKey = ECDH.convertKey(compressedKey,
+         *                                         'secp256k1',
+         *                                         'hex',
+         *                                         'hex',
+         *                                         'uncompressed');
+         *
+         * // The converted key and the uncompressed public key should be the same
+         * console.log(uncompressedKey === ecdh.getPublicKey('hex'));
+         * ```
+         * @since v10.0.0
+         * @param inputEncoding The `encoding` of the `key` string.
+         * @param outputEncoding The `encoding` of the return value.
+         * @param [format='uncompressed']
+         */
+        static convertKey(
+            key: BinaryLike,
+            curve: string,
+            inputEncoding?: BinaryToTextEncoding,
+            outputEncoding?: 'latin1' | 'hex' | 'base64' | 'base64url',
+            format?: 'uncompressed' | 'compressed' | 'hybrid'
+        ): Buffer | string;
+        /**
+         * Generates private and public EC Diffie-Hellman key values, and returns
+         * the public key in the specified `format` and `encoding`. This key should be
+         * transferred to the other party.
+         *
+         * The `format` argument specifies point encoding and can be `'compressed'` or`'uncompressed'`. If `format` is not specified, the point will be returned in`'uncompressed'` format.
+         *
+         * If `encoding` is provided a string is returned; otherwise a `Buffer` is returned.
+         * @since v0.11.14
+         * @param encoding The `encoding` of the return value.
+         * @param [format='uncompressed']
+         */
+        generateKeys(): Buffer;
+        generateKeys(encoding: BinaryToTextEncoding, format?: ECDHKeyFormat): string;
+        /**
+         * Computes the shared secret using `otherPublicKey` as the other
+         * party's public key and returns the computed shared secret. The supplied
+         * key is interpreted using specified `inputEncoding`, and the returned secret
+         * is encoded using the specified `outputEncoding`.
+         * If the `inputEncoding` is not
+         * provided, `otherPublicKey` is expected to be a `Buffer`, `TypedArray`, or`DataView`.
+         *
+         * If `outputEncoding` is given a string will be returned; otherwise a `Buffer` is returned.
+         *
+         * `ecdh.computeSecret` will throw an`ERR_CRYPTO_ECDH_INVALID_PUBLIC_KEY` error when `otherPublicKey`lies outside of the elliptic curve. Since `otherPublicKey` is
+         * usually supplied from a remote user over an insecure network,
+         * be sure to handle this exception accordingly.
+         * @since v0.11.14
+         * @param inputEncoding The `encoding` of the `otherPublicKey` string.
+         * @param outputEncoding The `encoding` of the return value.
+         */
+        computeSecret(otherPublicKey: NodeJS.ArrayBufferView): Buffer;
+        computeSecret(otherPublicKey: string, inputEncoding: BinaryToTextEncoding): Buffer;
+        computeSecret(otherPublicKey: NodeJS.ArrayBufferView, outputEncoding: BinaryToTextEncoding): string;
+        computeSecret(otherPublicKey: string, inputEncoding: BinaryToTextEncoding, outputEncoding: BinaryToTextEncoding): string;
+        /**
+         * If `encoding` is specified, a string is returned; otherwise a `Buffer` is
+         * returned.
+         * @since v0.11.14
+         * @param encoding The `encoding` of the return value.
+         * @return The EC Diffie-Hellman in the specified `encoding`.
+         */
+        getPrivateKey(): Buffer;
+        getPrivateKey(encoding: BinaryToTextEncoding): string;
+        /**
+         * The `format` argument specifies point encoding and can be `'compressed'` or`'uncompressed'`. If `format` is not specified the point will be returned in`'uncompressed'` format.
+         *
+         * If `encoding` is specified, a string is returned; otherwise a `Buffer` is
+         * returned.
+         * @since v0.11.14
+         * @param [encoding] The `encoding` of the return value.
+         * @param [format='uncompressed']
+         * @return The EC Diffie-Hellman public key in the specified `encoding` and `format`.
+         */
+        getPublicKey(encoding?: null, format?: ECDHKeyFormat): Buffer;
+        getPublicKey(encoding: BinaryToTextEncoding, format?: ECDHKeyFormat): string;
+        /**
+         * Sets the EC Diffie-Hellman private key.
+         * If `encoding` is provided, `privateKey` is expected
+         * to be a string; otherwise `privateKey` is expected to be a `Buffer`,`TypedArray`, or `DataView`.
+         *
+         * If `privateKey` is not valid for the curve specified when the `ECDH` object was
+         * created, an error is thrown. Upon setting the private key, the associated
+         * public point (key) is also generated and set in the `ECDH` object.
+         * @since v0.11.14
+         * @param encoding The `encoding` of the `privateKey` string.
+         */
+        setPrivateKey(privateKey: NodeJS.ArrayBufferView): void;
+        setPrivateKey(privateKey: string, encoding: BinaryToTextEncoding): void;
+    }
+    /**
+     * Creates an Elliptic Curve Diffie-Hellman (`ECDH`) key exchange object using a
+     * predefined curve specified by the `curveName` string. Use {@link getCurves} to obtain a list of available curve names. On recent
+     * OpenSSL releases, `openssl ecparam -list_curves` will also display the name
+     * and description of each available elliptic curve.
+     * @since v0.11.14
+     */
+    function createECDH(curveName: string): ECDH;
+    /**
+     * This function is based on a constant-time algorithm.
+     * Returns true if `a` is equal to `b`, without leaking timing information that
+     * would allow an attacker to guess one of the values. This is suitable for
+     * comparing HMAC digests or secret values like authentication cookies or [capability urls](https://www.w3.org/TR/capability-urls/).
+     *
+     * `a` and `b` must both be `Buffer`s, `TypedArray`s, or `DataView`s, and they
+     * must have the same byte length. An error is thrown if `a` and `b` have
+     * different byte lengths.
+     *
+     * If at least one of `a` and `b` is a `TypedArray` with more than one byte per
+     * entry, such as `Uint16Array`, the result will be computed using the platform
+     * byte order.
+     *
+     * Use of `crypto.timingSafeEqual` does not guarantee that the _surrounding_ code
+     * is timing-safe. Care should be taken to ensure that the surrounding code does
+     * not introduce timing vulnerabilities.
+     * @since v6.6.0
+     */
+    function timingSafeEqual(a: NodeJS.ArrayBufferView, b: NodeJS.ArrayBufferView): boolean;
+    /** @deprecated since v10.0.0 */
+    const DEFAULT_ENCODING: BufferEncoding;
+    type KeyType = 'rsa' | 'rsa-pss' | 'dsa' | 'ec' | 'ed25519' | 'ed448' | 'x25519' | 'x448';
+    type KeyFormat = 'pem' | 'der';
+    interface BasePrivateKeyEncodingOptions<T extends KeyFormat> {
+        format: T;
+        cipher?: string | undefined;
+        passphrase?: string | undefined;
+    }
+    interface KeyPairKeyObjectResult {
+        publicKey: KeyObject;
+        privateKey: KeyObject;
+    }
+    interface ED25519KeyPairKeyObjectOptions {}
+    interface ED448KeyPairKeyObjectOptions {}
+    interface X25519KeyPairKeyObjectOptions {}
+    interface X448KeyPairKeyObjectOptions {}
+    interface ECKeyPairKeyObjectOptions {
+        /**
+         * Name of the curve to use
+         */
+        namedCurve: string;
+    }
+    interface RSAKeyPairKeyObjectOptions {
+        /**
+         * Key size in bits
+         */
+        modulusLength: number;
+        /**
+         * Public exponent
+         * @default 0x10001
+         */
+        publicExponent?: number | undefined;
+    }
+    interface RSAPSSKeyPairKeyObjectOptions {
+        /**
+         * Key size in bits
+         */
+        modulusLength: number;
+        /**
+         * Public exponent
+         * @default 0x10001
+         */
+        publicExponent?: number | undefined;
+        /**
+         * Name of the message digest
+         */
+        hashAlgorithm?: string;
+        /**
+         * Name of the message digest used by MGF1
+         */
+        mgf1HashAlgorithm?: string;
+        /**
+         * Minimal salt length in bytes
+         */
+        saltLength?: string;
+    }
+    interface DSAKeyPairKeyObjectOptions {
+        /**
+         * Key size in bits
+         */
+        modulusLength: number;
+        /**
+         * Size of q in bits
+         */
+        divisorLength: number;
+    }
+    interface RSAKeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        /**
+         * Key size in bits
+         */
+        modulusLength: number;
+        /**
+         * Public exponent
+         * @default 0x10001
+         */
+        publicExponent?: number | undefined;
+        publicKeyEncoding: {
+            type: 'pkcs1' | 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs1' | 'pkcs8';
+        };
+    }
+    interface RSAPSSKeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        /**
+         * Key size in bits
+         */
+        modulusLength: number;
+        /**
+         * Public exponent
+         * @default 0x10001
+         */
+        publicExponent?: number | undefined;
+        /**
+         * Name of the message digest
+         */
+        hashAlgorithm?: string;
+        /**
+         * Name of the message digest used by MGF1
+         */
+        mgf1HashAlgorithm?: string;
+        /**
+         * Minimal salt length in bytes
+         */
+        saltLength?: string;
+        publicKeyEncoding: {
+            type: 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs8';
+        };
+    }
+    interface DSAKeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        /**
+         * Key size in bits
+         */
+        modulusLength: number;
+        /**
+         * Size of q in bits
+         */
+        divisorLength: number;
+        publicKeyEncoding: {
+            type: 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs8';
+        };
+    }
+    interface ECKeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        /**
+         * Name of the curve to use.
+         */
+        namedCurve: string;
+        publicKeyEncoding: {
+            type: 'pkcs1' | 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'sec1' | 'pkcs8';
+        };
+    }
+    interface ED25519KeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        publicKeyEncoding: {
+            type: 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs8';
+        };
+    }
+    interface ED448KeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        publicKeyEncoding: {
+            type: 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs8';
+        };
+    }
+    interface X25519KeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        publicKeyEncoding: {
+            type: 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs8';
+        };
+    }
+    interface X448KeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        publicKeyEncoding: {
+            type: 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs8';
+        };
+    }
+    interface KeyPairSyncResult<T1 extends string | Buffer, T2 extends string | Buffer> {
+        publicKey: T1;
+        privateKey: T2;
+    }
+    /**
+     * Generates a new asymmetric key pair of the given `type`. RSA, RSA-PSS, DSA, EC,
+     * Ed25519, Ed448, X25519, X448, and DH are currently supported.
+     *
+     * If a `publicKeyEncoding` or `privateKeyEncoding` was specified, this function
+     * behaves as if `keyObject.export()` had been called on its result. Otherwise,
+     * the respective part of the key is returned as a `KeyObject`.
+     *
+     * When encoding public keys, it is recommended to use `'spki'`. When encoding
+     * private keys, it is recommended to use `'pkcs8'` with a strong passphrase,
+     * and to keep the passphrase confidential.
+     *
+     * ```js
+     * const {
+     *   generateKeyPairSync
+     * } = await import('crypto');
+     *
+     * const {
+     *   publicKey,
+     *   privateKey,
+     * } = generateKeyPairSync('rsa', {
+     *   modulusLength: 4096,
+     *   publicKeyEncoding: {
+     *     type: 'spki',
+     *     format: 'pem'
+     *   },
+     *   privateKeyEncoding: {
+     *     type: 'pkcs8',
+     *     format: 'pem',
+     *     cipher: 'aes-256-cbc',
+     *     passphrase: 'top secret'
+     *   }
+     * });
+     * ```
+     *
+     * The return value `{ publicKey, privateKey }` represents the generated key pair.
+     * When PEM encoding was selected, the respective key will be a string, otherwise
+     * it will be a buffer containing the data encoded as DER.
+     * @since v10.12.0
+     * @param type Must be `'rsa'`, `'rsa-pss'`, `'dsa'`, `'ec'`, `'ed25519'`, `'ed448'`, `'x25519'`, `'x448'`, or `'dh'`.
+     */
+    function generateKeyPairSync(type: 'rsa', options: RSAKeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'rsa', options: RSAKeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'rsa', options: RSAKeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'rsa', options: RSAKeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'rsa', options: RSAKeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'rsa-pss', options: RSAPSSKeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'dsa', options: DSAKeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'dsa', options: DSAKeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'dsa', options: DSAKeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'dsa', options: DSAKeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'dsa', options: DSAKeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'ec', options: ECKeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'ec', options: ECKeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'ec', options: ECKeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'ec', options: ECKeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'ec', options: ECKeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'ed25519', options: ED25519KeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'ed25519', options: ED25519KeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'ed25519', options: ED25519KeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'ed25519', options: ED25519KeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'ed25519', options?: ED25519KeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'ed448', options: ED448KeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'ed448', options: ED448KeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'ed448', options: ED448KeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'ed448', options: ED448KeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'ed448', options?: ED448KeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'x25519', options: X25519KeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'x25519', options: X25519KeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'x25519', options: X25519KeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'x25519', options: X25519KeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'x25519', options?: X25519KeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'x448', options: X448KeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'x448', options: X448KeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'x448', options: X448KeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'x448', options: X448KeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'x448', options?: X448KeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    /**
+     * Generates a new asymmetric key pair of the given `type`. RSA, RSA-PSS, DSA, EC,
+     * Ed25519, Ed448, X25519, X448, and DH are currently supported.
+     *
+     * If a `publicKeyEncoding` or `privateKeyEncoding` was specified, this function
+     * behaves as if `keyObject.export()` had been called on its result. Otherwise,
+     * the respective part of the key is returned as a `KeyObject`.
+     *
+     * It is recommended to encode public keys as `'spki'` and private keys as`'pkcs8'` with encryption for long-term storage:
+     *
+     * ```js
+     * const {
+     *   generateKeyPair
+     * } = await import('crypto');
+     *
+     * generateKeyPair('rsa', {
+     *   modulusLength: 4096,
+     *   publicKeyEncoding: {
+     *     type: 'spki',
+     *     format: 'pem'
+     *   },
+     *   privateKeyEncoding: {
+     *     type: 'pkcs8',
+     *     format: 'pem',
+     *     cipher: 'aes-256-cbc',
+     *     passphrase: 'top secret'
+     *   }
+     * }, (err, publicKey, privateKey) => {
+     *   // Handle errors and use the generated key pair.
+     * });
+     * ```
+     *
+     * On completion, `callback` will be called with `err` set to `undefined` and`publicKey` / `privateKey` representing the generated key pair.
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns
+     * a `Promise` for an `Object` with `publicKey` and `privateKey` properties.
+     * @since v10.12.0
+     * @param type Must be `'rsa'`, `'rsa-pss'`, `'dsa'`, `'ec'`, `'ed25519'`, `'ed448'`, `'x25519'`, `'x448'`, or `'dh'`.
+     */
+    function generateKeyPair(type: 'rsa', options: RSAKeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'rsa', options: RSAKeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'rsa', options: RSAKeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'rsa', options: RSAKeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'rsa', options: RSAKeyPairKeyObjectOptions, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'rsa-pss', options: RSAPSSKeyPairKeyObjectOptions, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'dsa', options: DSAKeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'dsa', options: DSAKeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'dsa', options: DSAKeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'dsa', options: DSAKeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'dsa', options: DSAKeyPairKeyObjectOptions, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'ec', options: ECKeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'ec', options: ECKeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'ec', options: ECKeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'ec', options: ECKeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'ec', options: ECKeyPairKeyObjectOptions, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'ed25519', options: ED25519KeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'ed25519', options: ED25519KeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'ed25519', options: ED25519KeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'ed25519', options: ED25519KeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'ed25519', options: ED25519KeyPairKeyObjectOptions | undefined, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'ed448', options: ED448KeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'ed448', options: ED448KeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'ed448', options: ED448KeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'ed448', options: ED448KeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'ed448', options: ED448KeyPairKeyObjectOptions | undefined, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'x25519', options: X25519KeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'x25519', options: X25519KeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'x25519', options: X25519KeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'x25519', options: X25519KeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'x25519', options: X25519KeyPairKeyObjectOptions | undefined, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'x448', options: X448KeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'x448', options: X448KeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'x448', options: X448KeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'x448', options: X448KeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'x448', options: X448KeyPairKeyObjectOptions | undefined, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    namespace generateKeyPair {
+        function __promisify__(
+            type: 'rsa',
+            options: RSAKeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'rsa',
+            options: RSAKeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'rsa',
+            options: RSAKeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'rsa',
+            options: RSAKeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'rsa', options: RSAKeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'rsa-pss',
+            options: RSAPSSKeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'rsa-pss',
+            options: RSAPSSKeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'rsa-pss',
+            options: RSAPSSKeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'rsa-pss',
+            options: RSAPSSKeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'rsa-pss', options: RSAPSSKeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'dsa',
+            options: DSAKeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'dsa',
+            options: DSAKeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'dsa',
+            options: DSAKeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'dsa',
+            options: DSAKeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'dsa', options: DSAKeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'ec',
+            options: ECKeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'ec',
+            options: ECKeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'ec',
+            options: ECKeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'ec',
+            options: ECKeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'ec', options: ECKeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'ed25519',
+            options: ED25519KeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'ed25519',
+            options: ED25519KeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'ed25519',
+            options: ED25519KeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'ed25519',
+            options: ED25519KeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'ed25519', options?: ED25519KeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'ed448',
+            options: ED448KeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'ed448',
+            options: ED448KeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'ed448',
+            options: ED448KeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'ed448',
+            options: ED448KeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'ed448', options?: ED448KeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'x25519',
+            options: X25519KeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'x25519',
+            options: X25519KeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'x25519',
+            options: X25519KeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'x25519',
+            options: X25519KeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'x25519', options?: X25519KeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'x448',
+            options: X448KeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'x448',
+            options: X448KeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'x448',
+            options: X448KeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'x448',
+            options: X448KeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'x448', options?: X448KeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+    }
+    /**
+     * Calculates and returns the signature for `data` using the given private key and
+     * algorithm. If `algorithm` is `null` or `undefined`, then the algorithm is
+     * dependent upon the key type (especially Ed25519 and Ed448).
+     *
+     * If `key` is not a `KeyObject`, this function behaves as if `key` had been
+     * passed to {@link createPrivateKey}. If it is an object, the following
+     * additional properties can be passed:
+     *
+     * If the `callback` function is provided this function uses libuv's threadpool.
+     * @since v12.0.0
+     */
+    function sign(algorithm: string | null | undefined, data: NodeJS.ArrayBufferView, key: KeyLike | SignKeyObjectInput | SignPrivateKeyInput): Buffer;
+    function sign(
+        algorithm: string | null | undefined,
+        data: NodeJS.ArrayBufferView,
+        key: KeyLike | SignKeyObjectInput | SignPrivateKeyInput,
+        callback: (error: Error | null, data: Buffer) => void
+    ): void;
+    /**
+     * Verifies the given signature for `data` using the given key and algorithm. If`algorithm` is `null` or `undefined`, then the algorithm is dependent upon the
+     * key type (especially Ed25519 and Ed448).
+     *
+     * If `key` is not a `KeyObject`, this function behaves as if `key` had been
+     * passed to {@link createPublicKey}. If it is an object, the following
+     * additional properties can be passed:
+     *
+     * The `signature` argument is the previously calculated signature for the `data`.
+     *
+     * Because public keys can be derived from private keys, a private key or a public
+     * key may be passed for `key`.
+     *
+     * If the `callback` function is provided this function uses libuv's threadpool.
+     * @since v12.0.0
+     */
+    function verify(algorithm: string | null | undefined, data: NodeJS.ArrayBufferView, key: KeyLike | VerifyKeyObjectInput | VerifyPublicKeyInput, signature: NodeJS.ArrayBufferView): boolean;
+    function verify(
+        algorithm: string | null | undefined,
+        data: NodeJS.ArrayBufferView,
+        key: KeyLike | VerifyKeyObjectInput | VerifyPublicKeyInput,
+        signature: NodeJS.ArrayBufferView,
+        callback: (error: Error | null, result: boolean) => void
+    ): void;
+    /**
+     * Computes the Diffie-Hellman secret based on a `privateKey` and a `publicKey`.
+     * Both keys must have the same `asymmetricKeyType`, which must be one of `'dh'`(for Diffie-Hellman), `'ec'` (for ECDH), `'x448'`, or `'x25519'` (for ECDH-ES).
+     * @since v13.9.0, v12.17.0
+     */
+    function diffieHellman(options: { privateKey: KeyObject; publicKey: KeyObject }): Buffer;
+    type CipherMode = 'cbc' | 'ccm' | 'cfb' | 'ctr' | 'ecb' | 'gcm' | 'ocb' | 'ofb' | 'stream' | 'wrap' | 'xts';
+    interface CipherInfoOptions {
+        /**
+         * A test key length.
+         */
+        keyLength?: number | undefined;
+        /**
+         * A test IV length.
+         */
+        ivLength?: number | undefined;
+    }
+    interface CipherInfo {
+        /**
+         * The name of the cipher.
+         */
+        name: string;
+        /**
+         * The nid of the cipher.
+         */
+        nid: number;
+        /**
+         * The block size of the cipher in bytes.
+         * This property is omitted when mode is 'stream'.
+         */
+        blockSize?: number | undefined;
+        /**
+         * The expected or default initialization vector length in bytes.
+         * This property is omitted if the cipher does not use an initialization vector.
+         */
+        ivLength?: number | undefined;
+        /**
+         * The expected or default key length in bytes.
+         */
+        keyLength: number;
+        /**
+         * The cipher mode.
+         */
+        mode: CipherMode;
+    }
+    /**
+     * Returns information about a given cipher.
+     *
+     * Some ciphers accept variable length keys and initialization vectors. By default,
+     * the `crypto.getCipherInfo()` method will return the default values for these
+     * ciphers. To test if a given key length or iv length is acceptable for given
+     * cipher, use the `keyLength` and `ivLength` options. If the given values are
+     * unacceptable, `undefined` will be returned.
+     * @since v15.0.0
+     * @param nameOrNid The name or nid of the cipher to query.
+     */
+    function getCipherInfo(nameOrNid: string | number, options?: CipherInfoOptions): CipherInfo | undefined;
+    /**
+     * HKDF is a simple key derivation function defined in RFC 5869\. The given `ikm`,`salt` and `info` are used with the `digest` to derive a key of `keylen` bytes.
+     *
+     * The supplied `callback` function is called with two arguments: `err` and`derivedKey`. If an errors occurs while deriving the key, `err` will be set;
+     * otherwise `err` will be `null`. The successfully generated `derivedKey` will
+     * be passed to the callback as an [ArrayBuffer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer). An error will be thrown if any
+     * of the input arguments specify invalid values or types.
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const {
+     *   hkdf
+     * } = await import('crypto');
+     *
+     * hkdf('sha512', 'key', 'salt', 'info', 64, (err, derivedKey) => {
+     *   if (err) throw err;
+     *   console.log(Buffer.from(derivedKey).toString('hex'));  // '24156e2...5391653'
+     * });
+     * ```
+     * @since v15.0.0
+     * @param digest The digest algorithm to use.
+     * @param ikm The input keying material. It must be at least one byte in length.
+     * @param salt The salt value. Must be provided but can be zero-length.
+     * @param info Additional info value. Must be provided but can be zero-length, and cannot be more than 1024 bytes.
+     * @param keylen The length of the key to generate. Must be greater than 0. The maximum allowable value is `255` times the number of bytes produced by the selected digest function (e.g. `sha512`
+     * generates 64-byte hashes, making the maximum HKDF output 16320 bytes).
+     */
+    function hkdf(digest: string, irm: BinaryLike | KeyObject, salt: BinaryLike, info: BinaryLike, keylen: number, callback: (err: Error | null, derivedKey: ArrayBuffer) => void): void;
+    /**
+     * Provides a synchronous HKDF key derivation function as defined in RFC 5869\. The
+     * given `ikm`, `salt` and `info` are used with the `digest` to derive a key of`keylen` bytes.
+     *
+     * The successfully generated `derivedKey` will be returned as an [ArrayBuffer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer).
+     *
+     * An error will be thrown if any of the input arguments specify invalid values or
+     * types, or if the derived key cannot be generated.
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const {
+     *   hkdfSync
+     * } = await import('crypto');
+     *
+     * const derivedKey = hkdfSync('sha512', 'key', 'salt', 'info', 64);
+     * console.log(Buffer.from(derivedKey).toString('hex'));  // '24156e2...5391653'
+     * ```
+     * @since v15.0.0
+     * @param digest The digest algorithm to use.
+     * @param ikm The input keying material. It must be at least one byte in length.
+     * @param salt The salt value. Must be provided but can be zero-length.
+     * @param info Additional info value. Must be provided but can be zero-length, and cannot be more than 1024 bytes.
+     * @param keylen The length of the key to generate. Must be greater than 0. The maximum allowable value is `255` times the number of bytes produced by the selected digest function (e.g. `sha512`
+     * generates 64-byte hashes, making the maximum HKDF output 16320 bytes).
+     */
+    function hkdfSync(digest: string, ikm: BinaryLike | KeyObject, salt: BinaryLike, info: BinaryLike, keylen: number): ArrayBuffer;
+    interface SecureHeapUsage {
+        /**
+         * The total allocated secure heap size as specified using the `--secure-heap=n` command-line flag.
+         */
+        total: number;
+        /**
+         * The minimum allocation from the secure heap as specified using the `--secure-heap-min` command-line flag.
+         */
+        min: number;
+        /**
+         * The total number of bytes currently allocated from the secure heap.
+         */
+        used: number;
+        /**
+         * The calculated ratio of `used` to `total` allocated bytes.
+         */
+        utilization: number;
+    }
+    /**
+     * @since v15.6.0
+     */
+    function secureHeapUsed(): SecureHeapUsage;
+    interface RandomUUIDOptions {
+        /**
+         * By default, to improve performance,
+         * Node.js will pre-emptively generate and persistently cache enough
+         * random data to generate up to 128 random UUIDs. To generate a UUID
+         * without using the cache, set `disableEntropyCache` to `true`.
+         *
+         * @default `false`
+         */
+        disableEntropyCache?: boolean | undefined;
+    }
+    /**
+     * Generates a random [RFC 4122](https://www.rfc-editor.org/rfc/rfc4122.txt) version 4 UUID. The UUID is generated using a
+     * cryptographic pseudorandom number generator.
+     * @since v15.6.0, v14.17.0
+     */
+    function randomUUID(options?: RandomUUIDOptions): string;
+    interface X509CheckOptions {
+        /**
+         * @default 'always'
+         */
+        subject: 'always' | 'never';
+        /**
+         * @default true
+         */
+        wildcards: boolean;
+        /**
+         * @default true
+         */
+        partialWildcards: boolean;
+        /**
+         * @default false
+         */
+        multiLabelWildcards: boolean;
+        /**
+         * @default false
+         */
+        singleLabelSubdomains: boolean;
+    }
+    /**
+     * Encapsulates an X509 certificate and provides read-only access to
+     * its information.
+     *
+     * ```js
+     * const { X509Certificate } = await import('crypto');
+     *
+     * const x509 = new X509Certificate('{... pem encoded cert ...}');
+     *
+     * console.log(x509.subject);
+     * ```
+     * @since v15.6.0
+     */
+    class X509Certificate {
+        /**
+         * Will be \`true\` if this is a Certificate Authority (CA) certificate.
+         * @since v15.6.0
+         */
+        readonly ca: boolean;
+        /**
+         * The SHA-1 fingerprint of this certificate.
+         *
+         * Because SHA-1 is cryptographically broken and because the security of SHA-1 is
+         * significantly worse than that of algorithms that are commonly used to sign
+         * certificates, consider using `x509.fingerprint256` instead.
+         * @since v15.6.0
+         */
+        readonly fingerprint: string;
+        /**
+         * The SHA-256 fingerprint of this certificate.
+         * @since v15.6.0
+         */
+        readonly fingerprint256: string;
+        /**
+         * The SHA-512 fingerprint of this certificate.
+         * @since v16.14.0
+         */
+         readonly fingerprint512: string;
+        /**
+         * The complete subject of this certificate.
+         * @since v15.6.0
+         */
+        readonly subject: string;
+        /**
+         * The subject alternative name specified for this certificate or `undefined`
+         * if not available.
+         * @since v15.6.0
+         */
+        readonly subjectAltName: string | undefined;
+        /**
+         * The information access content of this certificate or `undefined` if not
+         * available.
+         * @since v15.6.0
+         */
+        readonly infoAccess: string | undefined;
+        /**
+         * An array detailing the key usages for this certificate.
+         * @since v15.6.0
+         */
+        readonly keyUsage: string[];
+        /**
+         * The issuer identification included in this certificate.
+         * @since v15.6.0
+         */
+        readonly issuer: string;
+        /**
+         * The issuer certificate or `undefined` if the issuer certificate is not
+         * available.
+         * @since v15.9.0
+         */
+        readonly issuerCertificate?: X509Certificate | undefined;
+        /**
+         * The public key `KeyObject` for this certificate.
+         * @since v15.6.0
+         */
+        readonly publicKey: KeyObject;
+        /**
+         * A `Buffer` containing the DER encoding of this certificate.
+         * @since v15.6.0
+         */
+        readonly raw: Buffer;
+        /**
+         * The serial number of this certificate.
+         *
+         * Serial numbers are assigned by certificate authorities and do not uniquely
+         * identify certificates. Consider using `x509.fingerprint256` as a unique
+         * identifier instead.
+         * @since v15.6.0
+         */
+        readonly serialNumber: string;
+        /**
+         * The date/time from which this certificate is considered valid.
+         * @since v15.6.0
+         */
+        readonly validFrom: string;
+        /**
+         * The date/time until which this certificate is considered valid.
+         * @since v15.6.0
+         */
+        readonly validTo: string;
+        constructor(buffer: BinaryLike);
+        /**
+         * Checks whether the certificate matches the given email address.
+         *
+         * If the `'subject'` option is undefined or set to `'default'`, the certificate
+         * subject is only considered if the subject alternative name extension either does
+         * not exist or does not contain any email addresses.
+         *
+         * If the `'subject'` option is set to `'always'` and if the subject alternative
+         * name extension either does not exist or does not contain a matching email
+         * address, the certificate subject is considered.
+         *
+         * If the `'subject'` option is set to `'never'`, the certificate subject is never
+         * considered, even if the certificate contains no subject alternative names.
+         * @since v15.6.0
+         * @return Returns `email` if the certificate matches, `undefined` if it does not.
+         */
+        checkEmail(email: string, options?: Pick<X509CheckOptions, 'subject'>): string | undefined;
+        /**
+         * Checks whether the certificate matches the given host name.
+         *
+         * If the certificate matches the given host name, the matching subject name is
+         * returned. The returned name might be an exact match (e.g., `foo.example.com`)
+         * or it might contain wildcards (e.g., `*.example.com`). Because host name
+         * comparisons are case-insensitive, the returned subject name might also differ
+         * from the given `name` in capitalization.
+         *
+         * If the `'subject'` option is undefined or set to `'default'`, the certificate
+         * subject is only considered if the subject alternative name extension either does
+         * not exist or does not contain any DNS names. This behavior is consistent with [RFC 2818](https://www.rfc-editor.org/rfc/rfc2818.txt) ("HTTP Over TLS").
+         *
+         * If the `'subject'` option is set to `'always'` and if the subject alternative
+         * name extension either does not exist or does not contain a matching DNS name,
+         * the certificate subject is considered.
+         *
+         * If the `'subject'` option is set to `'never'`, the certificate subject is never
+         * considered, even if the certificate contains no subject alternative names.
+         * @since v15.6.0
+         * @return Returns a subject name that matches `name`, or `undefined` if no subject name matches `name`.
+         */
+        checkHost(name: string, options?: X509CheckOptions): string | undefined;
+        /**
+         * Checks whether the certificate matches the given IP address (IPv4 or IPv6).
+         *
+         * Only [RFC 5280](https://www.rfc-editor.org/rfc/rfc5280.txt) `iPAddress` subject alternative names are considered, and they
+         * must match the given `ip` address exactly. Other subject alternative names as
+         * well as the subject field of the certificate are ignored.
+         * @since v15.6.0
+         * @return Returns `ip` if the certificate matches, `undefined` if it does not.
+         */
+        checkIP(ip: string): string | undefined;
+        /**
+         * Checks whether this certificate was issued by the given `otherCert`.
+         * @since v15.6.0
+         */
+        checkIssued(otherCert: X509Certificate): boolean;
+        /**
+         * Checks whether the public key for this certificate is consistent with
+         * the given private key.
+         * @since v15.6.0
+         * @param privateKey A private key.
+         */
+        checkPrivateKey(privateKey: KeyObject): boolean;
+        /**
+         * There is no standard JSON encoding for X509 certificates. The`toJSON()` method returns a string containing the PEM encoded
+         * certificate.
+         * @since v15.6.0
+         */
+        toJSON(): string;
+        /**
+         * Returns information about this certificate using the legacy `certificate object` encoding.
+         * @since v15.6.0
+         */
+        toLegacyObject(): PeerCertificate;
+        /**
+         * Returns the PEM-encoded certificate.
+         * @since v15.6.0
+         */
+        toString(): string;
+        /**
+         * Verifies that this certificate was signed by the given public key.
+         * Does not perform any other validation checks on the certificate.
+         * @since v15.6.0
+         * @param publicKey A public key.
+         */
+        verify(publicKey: KeyObject): boolean;
+    }
+    type LargeNumberLike = NodeJS.ArrayBufferView | SharedArrayBuffer | ArrayBuffer | bigint;
+    interface GeneratePrimeOptions {
+        add?: LargeNumberLike | undefined;
+        rem?: LargeNumberLike | undefined;
+        /**
+         * @default false
+         */
+        safe?: boolean | undefined;
+        bigint?: boolean | undefined;
+    }
+    interface GeneratePrimeOptionsBigInt extends GeneratePrimeOptions {
+        bigint: true;
+    }
+    interface GeneratePrimeOptionsArrayBuffer extends GeneratePrimeOptions {
+        bigint?: false | undefined;
+    }
+    /**
+     * Generates a pseudorandom prime of `size` bits.
+     *
+     * If `options.safe` is `true`, the prime will be a safe prime -- that is,`(prime - 1) / 2` will also be a prime.
+     *
+     * The `options.add` and `options.rem` parameters can be used to enforce additional
+     * requirements, e.g., for Diffie-Hellman:
+     *
+     * * If `options.add` and `options.rem` are both set, the prime will satisfy the
+     * condition that `prime % add = rem`.
+     * * If only `options.add` is set and `options.safe` is not `true`, the prime will
+     * satisfy the condition that `prime % add = 1`.
+     * * If only `options.add` is set and `options.safe` is set to `true`, the prime
+     * will instead satisfy the condition that `prime % add = 3`. This is necessary
+     * because `prime % add = 1` for `options.add > 2` would contradict the condition
+     * enforced by `options.safe`.
+     * * `options.rem` is ignored if `options.add` is not given.
+     *
+     * Both `options.add` and `options.rem` must be encoded as big-endian sequences
+     * if given as an `ArrayBuffer`, `SharedArrayBuffer`, `TypedArray`, `Buffer`, or`DataView`.
+     *
+     * By default, the prime is encoded as a big-endian sequence of octets
+     * in an [ArrayBuffer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer). If the `bigint` option is `true`, then a
+     * [bigint](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt) is provided.
+     * @since v15.8.0
+     * @param size The size (in bits) of the prime to generate.
+     */
+    function generatePrime(size: number, callback: (err: Error | null, prime: ArrayBuffer) => void): void;
+    function generatePrime(size: number, options: GeneratePrimeOptionsBigInt, callback: (err: Error | null, prime: bigint) => void): void;
+    function generatePrime(size: number, options: GeneratePrimeOptionsArrayBuffer, callback: (err: Error | null, prime: ArrayBuffer) => void): void;
+    function generatePrime(size: number, options: GeneratePrimeOptions, callback: (err: Error | null, prime: ArrayBuffer | bigint) => void): void;
+    /**
+     * Generates a pseudorandom prime of `size` bits.
+     *
+     * If `options.safe` is `true`, the prime will be a safe prime -- that is,`(prime - 1) / 2` will also be a prime.
+     *
+     * The `options.add` and `options.rem` parameters can be used to enforce additional
+     * requirements, e.g., for Diffie-Hellman:
+     *
+     * * If `options.add` and `options.rem` are both set, the prime will satisfy the
+     * condition that `prime % add = rem`.
+     * * If only `options.add` is set and `options.safe` is not `true`, the prime will
+     * satisfy the condition that `prime % add = 1`.
+     * * If only `options.add` is set and `options.safe` is set to `true`, the prime
+     * will instead satisfy the condition that `prime % add = 3`. This is necessary
+     * because `prime % add = 1` for `options.add > 2` would contradict the condition
+     * enforced by `options.safe`.
+     * * `options.rem` is ignored if `options.add` is not given.
+     *
+     * Both `options.add` and `options.rem` must be encoded as big-endian sequences
+     * if given as an `ArrayBuffer`, `SharedArrayBuffer`, `TypedArray`, `Buffer`, or`DataView`.
+     *
+     * By default, the prime is encoded as a big-endian sequence of octets
+     * in an [ArrayBuffer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer). If the `bigint` option is `true`, then a
+     * [bigint](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt) is provided.
+     * @since v15.8.0
+     * @param size The size (in bits) of the prime to generate.
+     */
+    function generatePrimeSync(size: number): ArrayBuffer;
+    function generatePrimeSync(size: number, options: GeneratePrimeOptionsBigInt): bigint;
+    function generatePrimeSync(size: number, options: GeneratePrimeOptionsArrayBuffer): ArrayBuffer;
+    function generatePrimeSync(size: number, options: GeneratePrimeOptions): ArrayBuffer | bigint;
+    interface CheckPrimeOptions {
+        /**
+         * The number of Miller-Rabin probabilistic primality iterations to perform.
+         * When the value is 0 (zero), a number of checks is used that yields a false positive rate of at most 2-64 for random input.
+         * Care must be used when selecting a number of checks.
+         * Refer to the OpenSSL documentation for the BN_is_prime_ex function nchecks options for more details.
+         *
+         * @default 0
+         */
+        checks?: number | undefined;
+    }
+    /**
+     * Checks the primality of the `candidate`.
+     * @since v15.8.0
+     * @param candidate A possible prime encoded as a sequence of big endian octets of arbitrary length.
+     */
+    function checkPrime(value: LargeNumberLike, callback: (err: Error | null, result: boolean) => void): void;
+    function checkPrime(value: LargeNumberLike, options: CheckPrimeOptions, callback: (err: Error | null, result: boolean) => void): void;
+    /**
+     * Checks the primality of the `candidate`.
+     * @since v15.8.0
+     * @param candidate A possible prime encoded as a sequence of big endian octets of arbitrary length.
+     * @return `true` if the candidate is a prime with an error probability less than `0.25 ** options.checks`.
+     */
+    function checkPrimeSync(candidate: LargeNumberLike, options?: CheckPrimeOptions): boolean;
+    /**
+     * Load and set the `engine` for some or all OpenSSL functions (selected by flags).
+     *
+     * `engine` could be either an id or a path to the engine's shared library.
+     *
+     * The optional `flags` argument uses `ENGINE_METHOD_ALL` by default.
+     * The `flags` is a bit field taking one of or a mix of the following flags (defined in `crypto.constants`):
+     *
+     * - `crypto.constants.ENGINE_METHOD_RSA`
+     * - `crypto.constants.ENGINE_METHOD_DSA`
+     * - `crypto.constants.ENGINE_METHOD_DH`
+     * - `crypto.constants.ENGINE_METHOD_RAND`
+     * - `crypto.constants.ENGINE_METHOD_EC`
+     * - `crypto.constants.ENGINE_METHOD_CIPHERS`
+     * - `crypto.constants.ENGINE_METHOD_DIGESTS`
+     * - `crypto.constants.ENGINE_METHOD_PKEY_METHS`
+     * - `crypto.constants.ENGINE_METHOD_PKEY_ASN1_METHS`
+     * - `crypto.constants.ENGINE_METHOD_ALL`
+     * - `crypto.constants.ENGINE_METHOD_NONE`
+     *
+     * The flags below are deprecated in OpenSSL-1.1.0.
+     *
+     * - `crypto.constants.ENGINE_METHOD_ECDH`
+     * - `crypto.constants.ENGINE_METHOD_ECDSA`
+     * - `crypto.constants.ENGINE_METHOD_STORE`
+     * @since v0.11.11
+     * @param [flags=crypto.constants.ENGINE_METHOD_ALL]
+     */
+    function setEngine(engine: string, flags?: number): void;
+    /**
+     * A convenient alias for `crypto.webcrypto.getRandomValues()`.
+     * This implementation is not compliant with the Web Crypto spec,
+     * to write web-compatible code use `crypto.webcrypto.getRandomValues()` instead.
+     * @since v17.4.0
+     * @returns Returns `typedArray`.
+     */
+    function getRandomValues<T extends webcrypto.BufferSource>(typedArray: T): T;
+    /**
+     * A convenient alias for `crypto.webcrypto.subtle`.
+     * @since v17.4.0
+     */
+    const subtle: webcrypto.SubtleCrypto;
+    /**
+     * An implementation of the Web Crypto API standard.
+     *
+     * See the {@link https://nodejs.org/docs/latest/api/webcrypto.html Web Crypto API documentation} for details.
+     * @since v15.0.0
+     */
+    const webcrypto: webcrypto.Crypto;
+    namespace webcrypto {
+        type BufferSource = ArrayBufferView | ArrayBuffer;
+        type KeyFormat = 'jwk' | 'pkcs8' | 'raw' | 'spki';
+        type KeyType = 'private' | 'public' | 'secret';
+        type KeyUsage = 'decrypt' | 'deriveBits' | 'deriveKey' | 'encrypt' | 'sign' | 'unwrapKey' | 'verify' | 'wrapKey';
+        type AlgorithmIdentifier = Algorithm | string;
+        type HashAlgorithmIdentifier = AlgorithmIdentifier;
+        type NamedCurve = string;
+        type BigInteger = Uint8Array;
+        interface AesCbcParams extends Algorithm {
+            iv: BufferSource;
+        }
+        interface AesCtrParams extends Algorithm {
+            counter: BufferSource;
+            length: number;
+        }
+        interface AesDerivedKeyParams extends Algorithm {
+            length: number;
+        }
+        interface AesGcmParams extends Algorithm {
+            additionalData?: BufferSource;
+            iv: BufferSource;
+            tagLength?: number;
+        }
+        interface AesKeyAlgorithm extends KeyAlgorithm {
+            length: number;
+        }
+        interface AesKeyGenParams extends Algorithm {
+            length: number;
+        }
+        interface Algorithm {
+            name: string;
+        }
+        interface EcKeyAlgorithm extends KeyAlgorithm {
+            namedCurve: NamedCurve;
+        }
+        interface EcKeyGenParams extends Algorithm {
+            namedCurve: NamedCurve;
+        }
+        interface EcKeyImportParams extends Algorithm {
+            namedCurve: NamedCurve;
+        }
+        interface EcdhKeyDeriveParams extends Algorithm {
+            public: CryptoKey;
+        }
+        interface EcdsaParams extends Algorithm {
+            hash: HashAlgorithmIdentifier;
+        }
+        interface Ed448Params extends Algorithm {
+            context?: BufferSource;
+        }
+        interface HkdfParams extends Algorithm {
+            hash: HashAlgorithmIdentifier;
+            info: BufferSource;
+            salt: BufferSource;
+        }
+        interface HmacImportParams extends Algorithm {
+            hash: HashAlgorithmIdentifier;
+            length?: number;
+        }
+        interface HmacKeyAlgorithm extends KeyAlgorithm {
+            hash: KeyAlgorithm;
+            length: number;
+        }
+        interface HmacKeyGenParams extends Algorithm {
+            hash: HashAlgorithmIdentifier;
+            length?: number;
+        }
+        interface JsonWebKey {
+            alg?: string;
+            crv?: string;
+            d?: string;
+            dp?: string;
+            dq?: string;
+            e?: string;
+            ext?: boolean;
+            k?: string;
+            key_ops?: string[];
+            kty?: string;
+            n?: string;
+            oth?: RsaOtherPrimesInfo[];
+            p?: string;
+            q?: string;
+            qi?: string;
+            use?: string;
+            x?: string;
+            y?: string;
+        }
+        interface KeyAlgorithm {
+            name: string;
+        }
+        interface Pbkdf2Params extends Algorithm {
+            hash: HashAlgorithmIdentifier;
+            iterations: number;
+            salt: BufferSource;
+        }
+        interface RsaHashedImportParams extends Algorithm {
+            hash: HashAlgorithmIdentifier;
+        }
+        interface RsaHashedKeyAlgorithm extends RsaKeyAlgorithm {
+            hash: KeyAlgorithm;
+        }
+        interface RsaHashedKeyGenParams extends RsaKeyGenParams {
+            hash: HashAlgorithmIdentifier;
+        }
+        interface RsaKeyAlgorithm extends KeyAlgorithm {
+            modulusLength: number;
+            publicExponent: BigInteger;
+        }
+        interface RsaKeyGenParams extends Algorithm {
+            modulusLength: number;
+            publicExponent: BigInteger;
+        }
+        interface RsaOaepParams extends Algorithm {
+            label?: BufferSource;
+        }
+        interface RsaOtherPrimesInfo {
+            d?: string;
+            r?: string;
+            t?: string;
+        }
+        interface RsaPssParams extends Algorithm {
+            saltLength: number;
+        }
+        /**
+         * Calling `require('node:crypto').webcrypto` returns an instance of the `Crypto` class.
+         * `Crypto` is a singleton that provides access to the remainder of the crypto API.
+         * @since v15.0.0
+         */
+        interface Crypto {
+            /**
+             * Provides access to the `SubtleCrypto` API.
+             * @since v15.0.0
+             */
+            readonly subtle: SubtleCrypto;
+            /**
+             * Generates cryptographically strong random values.
+             * The given `typedArray` is filled with random values, and a reference to `typedArray` is returned.
+             *
+             * The given `typedArray` must be an integer-based instance of {@link NodeJS.TypedArray}, i.e. `Float32Array` and `Float64Array` are not accepted.
+             *
+             * An error will be thrown if the given `typedArray` is larger than 65,536 bytes.
+             * @since v15.0.0
+             */
+            getRandomValues<T extends Exclude<NodeJS.TypedArray, Float32Array | Float64Array>>(typedArray: T): T;
+            /**
+             * Generates a random {@link https://www.rfc-editor.org/rfc/rfc4122.txt RFC 4122} version 4 UUID.
+             * The UUID is generated using a cryptographic pseudorandom number generator.
+             * @since v16.7.0
+             */
+            randomUUID(): string;
+            CryptoKey: CryptoKeyConstructor;
+        }
+        // This constructor throws ILLEGAL_CONSTRUCTOR so it should not be newable.
+        interface CryptoKeyConstructor {
+            /** Illegal constructor */
+            (_: { readonly _: unique symbol }): never; // Allows instanceof to work but not be callable by the user.
+            readonly length: 0;
+            readonly name: 'CryptoKey';
+            readonly prototype: CryptoKey;
+        }
+        /**
+         * @since v15.0.0
+         */
+        interface CryptoKey {
+            /**
+             * An object detailing the algorithm for which the key can be used along with additional algorithm-specific parameters.
+             * @since v15.0.0
+             */
+            readonly algorithm: KeyAlgorithm;
+            /**
+             * When `true`, the {@link CryptoKey} can be extracted using either `subtleCrypto.exportKey()` or `subtleCrypto.wrapKey()`.
+             * @since v15.0.0
+             */
+            readonly extractable: boolean;
+            /**
+             * A string identifying whether the key is a symmetric (`'secret'`) or asymmetric (`'private'` or `'public'`) key.
+             * @since v15.0.0
+             */
+            readonly type: KeyType;
+            /**
+             * An array of strings identifying the operations for which the key may be used.
+             *
+             * The possible usages are:
+             * - `'encrypt'` - The key may be used to encrypt data.
+             * - `'decrypt'` - The key may be used to decrypt data.
+             * - `'sign'` - The key may be used to generate digital signatures.
+             * - `'verify'` - The key may be used to verify digital signatures.
+             * - `'deriveKey'` - The key may be used to derive a new key.
+             * - `'deriveBits'` - The key may be used to derive bits.
+             * - `'wrapKey'` - The key may be used to wrap another key.
+             * - `'unwrapKey'` - The key may be used to unwrap another key.
+             *
+             * Valid key usages depend on the key algorithm (identified by `cryptokey.algorithm.name`).
+             * @since v15.0.0
+             */
+            readonly usages: KeyUsage[];
+        }
+        /**
+         * The `CryptoKeyPair` is a simple dictionary object with `publicKey` and `privateKey` properties, representing an asymmetric key pair.
+         * @since v15.0.0
+         */
+        interface CryptoKeyPair {
+            /**
+             * A {@link CryptoKey} whose type will be `'private'`.
+             * @since v15.0.0
+             */
+            privateKey: CryptoKey;
+            /**
+             * A {@link CryptoKey} whose type will be `'public'`.
+             * @since v15.0.0
+             */
+            publicKey: CryptoKey;
+        }
+        /**
+         * @since v15.0.0
+         */
+        interface SubtleCrypto {
+            /**
+             * Using the method and parameters specified in `algorithm` and the keying material provided by `key`,
+             * `subtle.decrypt()` attempts to decipher the provided `data`. If successful,
+             * the returned promise will be resolved with an `<ArrayBuffer>` containing the plaintext result.
+             *
+             * The algorithms currently supported include:
+             *
+             * - `'RSA-OAEP'`
+             * - `'AES-CTR'`
+             * - `'AES-CBC'`
+             * - `'AES-GCM'`
+             * @since v15.0.0
+             */
+            decrypt(algorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams, key: CryptoKey, data: BufferSource): Promise<ArrayBuffer>;
+            /**
+             * Using the method and parameters specified in `algorithm` and the keying material provided by `baseKey`,
+             * `subtle.deriveBits()` attempts to generate `length` bits.
+             * The Node.js implementation requires that `length` is a multiple of `8`.
+             * If successful, the returned promise will be resolved with an `<ArrayBuffer>` containing the generated data.
+             *
+             * The algorithms currently supported include:
+             *
+             * - `'ECDH'`
+             * - `'X25519'`
+             * - `'X448'`
+             * - `'HKDF'`
+             * - `'PBKDF2'`
+             * @since v15.0.0
+             */
+            deriveBits(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, length: number): Promise<ArrayBuffer>;
+            /**
+             * Using the method and parameters specified in `algorithm`, and the keying material provided by `baseKey`,
+             * `subtle.deriveKey()` attempts to generate a new <CryptoKey>` based on the method and parameters in `derivedKeyAlgorithm`.
+             *
+             * Calling `subtle.deriveKey()` is equivalent to calling `subtle.deriveBits()` to generate raw keying material,
+             * then passing the result into the `subtle.importKey()` method using the `deriveKeyAlgorithm`, `extractable`, and `keyUsages` parameters as input.
+             *
+             * The algorithms currently supported include:
+             *
+             * - `'ECDH'`
+             * - `'X25519'`
+             * - `'X448'`
+             * - `'HKDF'`
+             * - `'PBKDF2'`
+             * @param keyUsages See {@link https://nodejs.org/docs/latest/api/webcrypto.html#cryptokeyusages Key usages}.
+             * @since v15.0.0
+             */
+            deriveKey(
+                algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params,
+                baseKey: CryptoKey,
+                derivedKeyAlgorithm: AlgorithmIdentifier | AesDerivedKeyParams | HmacImportParams | HkdfParams | Pbkdf2Params,
+                extractable: boolean,
+                keyUsages: ReadonlyArray<KeyUsage>
+            ): Promise<CryptoKey>;
+            /**
+             * Using the method identified by `algorithm`, `subtle.digest()` attempts to generate a digest of `data`.
+             * If successful, the returned promise is resolved with an `<ArrayBuffer>` containing the computed digest.
+             *
+             * If `algorithm` is provided as a `<string>`, it must be one of:
+             *
+             * - `'SHA-1'`
+             * - `'SHA-256'`
+             * - `'SHA-384'`
+             * - `'SHA-512'`
+             *
+             * If `algorithm` is provided as an `<Object>`, it must have a `name` property whose value is one of the above.
+             * @since v15.0.0
+             */
+            digest(algorithm: AlgorithmIdentifier, data: BufferSource): Promise<ArrayBuffer>;
+            /**
+             * Using the method and parameters specified by `algorithm` and the keying material provided by `key`,
+             * `subtle.encrypt()` attempts to encipher `data`. If successful,
+             * the returned promise is resolved with an `<ArrayBuffer>` containing the encrypted result.
+             *
+             * The algorithms currently supported include:
+             *
+             * - `'RSA-OAEP'`
+             * - `'AES-CTR'`
+             * - `'AES-CBC'`
+             * - `'AES-GCM'`
+             * @since v15.0.0
+             */
+            encrypt(algorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams, key: CryptoKey, data: BufferSource): Promise<ArrayBuffer>;
+            /**
+             * Exports the given key into the specified format, if supported.
+             *
+             * If the `<CryptoKey>` is not extractable, the returned promise will reject.
+             *
+             * When `format` is either `'pkcs8'` or `'spki'` and the export is successful,
+             * the returned promise will be resolved with an `<ArrayBuffer>` containing the exported key data.
+             *
+             * When `format` is `'jwk'` and the export is successful, the returned promise will be resolved with a
+             * JavaScript object conforming to the {@link https://tools.ietf.org/html/rfc7517 JSON Web Key} specification.
+             * @param format Must be one of `'raw'`, `'pkcs8'`, `'spki'`, or `'jwk'`.
+             * @returns `<Promise>` containing `<ArrayBuffer>`.
+             * @since v15.0.0
+             */
+            exportKey(format: 'jwk', key: CryptoKey): Promise<JsonWebKey>;
+            exportKey(format: Exclude<KeyFormat, 'jwk'>, key: CryptoKey): Promise<ArrayBuffer>;
+            /**
+             * Using the method and parameters provided in `algorithm`,
+             * `subtle.generateKey()` attempts to generate new keying material.
+             * Depending the method used, the method may generate either a single `<CryptoKey>` or a `<CryptoKeyPair>`.
+             *
+             * The `<CryptoKeyPair>` (public and private key) generating algorithms supported include:
+             *
+             * - `'RSASSA-PKCS1-v1_5'`
+             * - `'RSA-PSS'`
+             * - `'RSA-OAEP'`
+             * - `'ECDSA'`
+             * - `'Ed25519'`
+             * - `'Ed448'`
+             * - `'ECDH'`
+             * - `'X25519'`
+             * - `'X448'`
+             * The `<CryptoKey>` (secret key) generating algorithms supported include:
+             *
+             * - `'HMAC'`
+             * - `'AES-CTR'`
+             * - `'AES-CBC'`
+             * - `'AES-GCM'`
+             * - `'AES-KW'`
+             * @param keyUsages See {@link https://nodejs.org/docs/latest/api/webcrypto.html#cryptokeyusages Key usages}.
+             * @since v15.0.0
+             */
+            generateKey(algorithm: RsaHashedKeyGenParams | EcKeyGenParams, extractable: boolean, keyUsages: ReadonlyArray<KeyUsage>): Promise<CryptoKeyPair>;
+            generateKey(algorithm: AesKeyGenParams | HmacKeyGenParams | Pbkdf2Params, extractable: boolean, keyUsages: ReadonlyArray<KeyUsage>): Promise<CryptoKey>;
+            generateKey(algorithm: AlgorithmIdentifier, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKeyPair | CryptoKey>;
+            /**
+             * The `subtle.importKey()` method attempts to interpret the provided `keyData` as the given `format`
+             * to create a `<CryptoKey>` instance using the provided `algorithm`, `extractable`, and `keyUsages` arguments.
+             * If the import is successful, the returned promise will be resolved with the created `<CryptoKey>`.
+             *
+             * If importing a `'PBKDF2'` key, `extractable` must be `false`.
+             * @param format Must be one of `'raw'`, `'pkcs8'`, `'spki'`, or `'jwk'`.
+             * @param keyUsages See {@link https://nodejs.org/docs/latest/api/webcrypto.html#cryptokeyusages Key usages}.
+             * @since v15.0.0
+             */
+            importKey(
+                format: 'jwk',
+                keyData: JsonWebKey,
+                algorithm: AlgorithmIdentifier | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | AesKeyAlgorithm,
+                extractable: boolean,
+                keyUsages: ReadonlyArray<KeyUsage>
+            ): Promise<CryptoKey>;
+            importKey(
+                format: Exclude<KeyFormat, 'jwk'>,
+                keyData: BufferSource,
+                algorithm: AlgorithmIdentifier | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | AesKeyAlgorithm,
+                extractable: boolean,
+                keyUsages: KeyUsage[]
+            ): Promise<CryptoKey>;
+            /**
+             * Using the method and parameters given by `algorithm` and the keying material provided by `key`,
+             * `subtle.sign()` attempts to generate a cryptographic signature of `data`. If successful,
+             * the returned promise is resolved with an `<ArrayBuffer>` containing the generated signature.
+             *
+             * The algorithms currently supported include:
+             *
+             * - `'RSASSA-PKCS1-v1_5'`
+             * - `'RSA-PSS'`
+             * - `'ECDSA'`
+             * - `'Ed25519'`
+             * - `'Ed448'`
+             * - `'HMAC'`
+             * @since v15.0.0
+             */
+            sign(algorithm: AlgorithmIdentifier | RsaPssParams | EcdsaParams | Ed448Params, key: CryptoKey, data: BufferSource): Promise<ArrayBuffer>;
+            /**
+             * In cryptography, "wrapping a key" refers to exporting and then encrypting the keying material.
+             * The `subtle.unwrapKey()` method attempts to decrypt a wrapped key and create a `<CryptoKey>` instance.
+             * It is equivalent to calling `subtle.decrypt()` first on the encrypted key data (using the `wrappedKey`, `unwrapAlgo`, and `unwrappingKey` arguments as input)
+             * then passing the results in to the `subtle.importKey()` method using the `unwrappedKeyAlgo`, `extractable`, and `keyUsages` arguments as inputs.
+             * If successful, the returned promise is resolved with a `<CryptoKey>` object.
+             *
+             * The wrapping algorithms currently supported include:
+             *
+             * - `'RSA-OAEP'`
+             * - `'AES-CTR'`
+             * - `'AES-CBC'`
+             * - `'AES-GCM'`
+             * - `'AES-KW'`
+             *
+             * The unwrapped key algorithms supported include:
+             *
+             * - `'RSASSA-PKCS1-v1_5'`
+             * - `'RSA-PSS'`
+             * - `'RSA-OAEP'`
+             * - `'ECDSA'`
+             * - `'Ed25519'`
+             * - `'Ed448'`
+             * - `'ECDH'`
+             * - `'X25519'`
+             * - `'X448'`
+             * - `'HMAC'`
+             * - `'AES-CTR'`
+             * - `'AES-CBC'`
+             * - `'AES-GCM'`
+             * - `'AES-KW'`
+             * @param format Must be one of `'raw'`, `'pkcs8'`, `'spki'`, or `'jwk'`.
+             * @param keyUsages See {@link https://nodejs.org/docs/latest/api/webcrypto.html#cryptokeyusages Key usages}.
+             * @since v15.0.0
+             */
+            unwrapKey(
+                format: KeyFormat,
+                wrappedKey: BufferSource,
+                unwrappingKey: CryptoKey,
+                unwrapAlgorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams,
+                unwrappedKeyAlgorithm: AlgorithmIdentifier | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | AesKeyAlgorithm,
+                extractable: boolean,
+                keyUsages: KeyUsage[]
+            ): Promise<CryptoKey>;
+            /**
+             * Using the method and parameters given in `algorithm` and the keying material provided by `key`,
+             * `subtle.verify()` attempts to verify that `signature` is a valid cryptographic signature of `data`.
+             * The returned promise is resolved with either `true` or `false`.
+             *
+             * The algorithms currently supported include:
+             *
+             * - `'RSASSA-PKCS1-v1_5'`
+             * - `'RSA-PSS'`
+             * - `'ECDSA'`
+             * - `'Ed25519'`
+             * - `'Ed448'`
+             * - `'HMAC'`
+             * @since v15.0.0
+             */
+            verify(algorithm: AlgorithmIdentifier | RsaPssParams | EcdsaParams | Ed448Params, key: CryptoKey, signature: BufferSource, data: BufferSource): Promise<boolean>;
+            /**
+             * In cryptography, "wrapping a key" refers to exporting and then encrypting the keying material.
+             * The `subtle.wrapKey()` method exports the keying material into the format identified by `format`,
+             * then encrypts it using the method and parameters specified by `wrapAlgo` and the keying material provided by `wrappingKey`.
+             * It is the equivalent to calling `subtle.exportKey()` using `format` and `key` as the arguments,
+             * then passing the result to the `subtle.encrypt()` method using `wrappingKey` and `wrapAlgo` as inputs.
+             * If successful, the returned promise will be resolved with an `<ArrayBuffer>` containing the encrypted key data.
+             *
+             * The wrapping algorithms currently supported include:
+             *
+             * - `'RSA-OAEP'`
+             * - `'AES-CTR'`
+             * - `'AES-CBC'`
+             * - `'AES-GCM'`
+             * - `'AES-KW'`
+             * @param format Must be one of `'raw'`, `'pkcs8'`, `'spki'`, or `'jwk'`.
+             * @since v15.0.0
+             */
+            wrapKey(format: KeyFormat, key: CryptoKey, wrappingKey: CryptoKey, wrapAlgorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams): Promise<ArrayBuffer>;
+        }
+    }
+}
+declare module 'node:crypto' {
+    export * from 'crypto';
+}
diff --git a/node_modules/@types/node/dgram.d.ts b/node_modules/@types/node/dgram.d.ts
new file mode 100644
index 000000000..247328d28
--- /dev/null
+++ b/node_modules/@types/node/dgram.d.ts
@@ -0,0 +1,545 @@
+/**
+ * The `dgram` module provides an implementation of UDP datagram sockets.
+ *
+ * ```js
+ * import dgram from 'dgram';
+ *
+ * const server = dgram.createSocket('udp4');
+ *
+ * server.on('error', (err) => {
+ *   console.log(`server error:\n${err.stack}`);
+ *   server.close();
+ * });
+ *
+ * server.on('message', (msg, rinfo) => {
+ *   console.log(`server got: ${msg} from ${rinfo.address}:${rinfo.port}`);
+ * });
+ *
+ * server.on('listening', () => {
+ *   const address = server.address();
+ *   console.log(`server listening ${address.address}:${address.port}`);
+ * });
+ *
+ * server.bind(41234);
+ * // Prints: server listening 0.0.0.0:41234
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/dgram.js)
+ */
+declare module 'dgram' {
+    import { AddressInfo } from 'node:net';
+    import * as dns from 'node:dns';
+    import { EventEmitter, Abortable } from 'node:events';
+    interface RemoteInfo {
+        address: string;
+        family: 'IPv4' | 'IPv6';
+        port: number;
+        size: number;
+    }
+    interface BindOptions {
+        port?: number | undefined;
+        address?: string | undefined;
+        exclusive?: boolean | undefined;
+        fd?: number | undefined;
+    }
+    type SocketType = 'udp4' | 'udp6';
+    interface SocketOptions extends Abortable {
+        type: SocketType;
+        reuseAddr?: boolean | undefined;
+        /**
+         * @default false
+         */
+        ipv6Only?: boolean | undefined;
+        recvBufferSize?: number | undefined;
+        sendBufferSize?: number | undefined;
+        lookup?: ((hostname: string, options: dns.LookupOneOptions, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void) => void) | undefined;
+    }
+    /**
+     * Creates a `dgram.Socket` object. Once the socket is created, calling `socket.bind()` will instruct the socket to begin listening for datagram
+     * messages. When `address` and `port` are not passed to `socket.bind()` the
+     * method will bind the socket to the "all interfaces" address on a random port
+     * (it does the right thing for both `udp4` and `udp6` sockets). The bound address
+     * and port can be retrieved using `socket.address().address` and `socket.address().port`.
+     *
+     * If the `signal` option is enabled, calling `.abort()` on the corresponding`AbortController` is similar to calling `.close()` on the socket:
+     *
+     * ```js
+     * const controller = new AbortController();
+     * const { signal } = controller;
+     * const server = dgram.createSocket({ type: 'udp4', signal });
+     * server.on('message', (msg, rinfo) => {
+     *   console.log(`server got: ${msg} from ${rinfo.address}:${rinfo.port}`);
+     * });
+     * // Later, when you want to close the server.
+     * controller.abort();
+     * ```
+     * @since v0.11.13
+     * @param options Available options are:
+     * @param callback Attached as a listener for `'message'` events. Optional.
+     */
+    function createSocket(type: SocketType, callback?: (msg: Buffer, rinfo: RemoteInfo) => void): Socket;
+    function createSocket(options: SocketOptions, callback?: (msg: Buffer, rinfo: RemoteInfo) => void): Socket;
+    /**
+     * Encapsulates the datagram functionality.
+     *
+     * New instances of `dgram.Socket` are created using {@link createSocket}.
+     * The `new` keyword is not to be used to create `dgram.Socket` instances.
+     * @since v0.1.99
+     */
+    class Socket extends EventEmitter {
+        /**
+         * Tells the kernel to join a multicast group at the given `multicastAddress` and`multicastInterface` using the `IP_ADD_MEMBERSHIP` socket option. If the`multicastInterface` argument is not
+         * specified, the operating system will choose
+         * one interface and will add membership to it. To add membership to every
+         * available interface, call `addMembership` multiple times, once per interface.
+         *
+         * When called on an unbound socket, this method will implicitly bind to a random
+         * port, listening on all interfaces.
+         *
+         * When sharing a UDP socket across multiple `cluster` workers, the`socket.addMembership()` function must be called only once or an`EADDRINUSE` error will occur:
+         *
+         * ```js
+         * import cluster from 'cluster';
+         * import dgram from 'dgram';
+         *
+         * if (cluster.isPrimary) {
+         *   cluster.fork(); // Works ok.
+         *   cluster.fork(); // Fails with EADDRINUSE.
+         * } else {
+         *   const s = dgram.createSocket('udp4');
+         *   s.bind(1234, () => {
+         *     s.addMembership('224.0.0.114');
+         *   });
+         * }
+         * ```
+         * @since v0.6.9
+         */
+        addMembership(multicastAddress: string, multicastInterface?: string): void;
+        /**
+         * Returns an object containing the address information for a socket.
+         * For UDP sockets, this object will contain `address`, `family` and `port`properties.
+         *
+         * This method throws `EBADF` if called on an unbound socket.
+         * @since v0.1.99
+         */
+        address(): AddressInfo;
+        /**
+         * For UDP sockets, causes the `dgram.Socket` to listen for datagram
+         * messages on a named `port` and optional `address`. If `port` is not
+         * specified or is `0`, the operating system will attempt to bind to a
+         * random port. If `address` is not specified, the operating system will
+         * attempt to listen on all addresses. Once binding is complete, a`'listening'` event is emitted and the optional `callback` function is
+         * called.
+         *
+         * Specifying both a `'listening'` event listener and passing a`callback` to the `socket.bind()` method is not harmful but not very
+         * useful.
+         *
+         * A bound datagram socket keeps the Node.js process running to receive
+         * datagram messages.
+         *
+         * If binding fails, an `'error'` event is generated. In rare case (e.g.
+         * attempting to bind with a closed socket), an `Error` may be thrown.
+         *
+         * Example of a UDP server listening on port 41234:
+         *
+         * ```js
+         * import dgram from 'dgram';
+         *
+         * const server = dgram.createSocket('udp4');
+         *
+         * server.on('error', (err) => {
+         *   console.log(`server error:\n${err.stack}`);
+         *   server.close();
+         * });
+         *
+         * server.on('message', (msg, rinfo) => {
+         *   console.log(`server got: ${msg} from ${rinfo.address}:${rinfo.port}`);
+         * });
+         *
+         * server.on('listening', () => {
+         *   const address = server.address();
+         *   console.log(`server listening ${address.address}:${address.port}`);
+         * });
+         *
+         * server.bind(41234);
+         * // Prints: server listening 0.0.0.0:41234
+         * ```
+         * @since v0.1.99
+         * @param callback with no parameters. Called when binding is complete.
+         */
+        bind(port?: number, address?: string, callback?: () => void): this;
+        bind(port?: number, callback?: () => void): this;
+        bind(callback?: () => void): this;
+        bind(options: BindOptions, callback?: () => void): this;
+        /**
+         * Close the underlying socket and stop listening for data on it. If a callback is
+         * provided, it is added as a listener for the `'close'` event.
+         * @since v0.1.99
+         * @param callback Called when the socket has been closed.
+         */
+        close(callback?: () => void): this;
+        /**
+         * Associates the `dgram.Socket` to a remote address and port. Every
+         * message sent by this handle is automatically sent to that destination. Also,
+         * the socket will only receive messages from that remote peer.
+         * Trying to call `connect()` on an already connected socket will result
+         * in an `ERR_SOCKET_DGRAM_IS_CONNECTED` exception. If `address` is not
+         * provided, `'127.0.0.1'` (for `udp4` sockets) or `'::1'` (for `udp6` sockets)
+         * will be used by default. Once the connection is complete, a `'connect'` event
+         * is emitted and the optional `callback` function is called. In case of failure,
+         * the `callback` is called or, failing this, an `'error'` event is emitted.
+         * @since v12.0.0
+         * @param callback Called when the connection is completed or on error.
+         */
+        connect(port: number, address?: string, callback?: () => void): void;
+        connect(port: number, callback: () => void): void;
+        /**
+         * A synchronous function that disassociates a connected `dgram.Socket` from
+         * its remote address. Trying to call `disconnect()` on an unbound or already
+         * disconnected socket will result in an `ERR_SOCKET_DGRAM_NOT_CONNECTED` exception.
+         * @since v12.0.0
+         */
+        disconnect(): void;
+        /**
+         * Instructs the kernel to leave a multicast group at `multicastAddress` using the`IP_DROP_MEMBERSHIP` socket option. This method is automatically called by the
+         * kernel when the socket is closed or the process terminates, so most apps will
+         * never have reason to call this.
+         *
+         * If `multicastInterface` is not specified, the operating system will attempt to
+         * drop membership on all valid interfaces.
+         * @since v0.6.9
+         */
+        dropMembership(multicastAddress: string, multicastInterface?: string): void;
+        /**
+         * This method throws `ERR_SOCKET_BUFFER_SIZE` if called on an unbound socket.
+         * @since v8.7.0
+         * @return the `SO_RCVBUF` socket receive buffer size in bytes.
+         */
+        getRecvBufferSize(): number;
+        /**
+         * This method throws `ERR_SOCKET_BUFFER_SIZE` if called on an unbound socket.
+         * @since v8.7.0
+         * @return the `SO_SNDBUF` socket send buffer size in bytes.
+         */
+        getSendBufferSize(): number;
+        /**
+         * By default, binding a socket will cause it to block the Node.js process from
+         * exiting as long as the socket is open. The `socket.unref()` method can be used
+         * to exclude the socket from the reference counting that keeps the Node.js
+         * process active. The `socket.ref()` method adds the socket back to the reference
+         * counting and restores the default behavior.
+         *
+         * Calling `socket.ref()` multiples times will have no additional effect.
+         *
+         * The `socket.ref()` method returns a reference to the socket so calls can be
+         * chained.
+         * @since v0.9.1
+         */
+        ref(): this;
+        /**
+         * Returns an object containing the `address`, `family`, and `port` of the remote
+         * endpoint. This method throws an `ERR_SOCKET_DGRAM_NOT_CONNECTED` exception
+         * if the socket is not connected.
+         * @since v12.0.0
+         */
+        remoteAddress(): AddressInfo;
+        /**
+         * Broadcasts a datagram on the socket.
+         * For connectionless sockets, the destination `port` and `address` must be
+         * specified. Connected sockets, on the other hand, will use their associated
+         * remote endpoint, so the `port` and `address` arguments must not be set.
+         *
+         * The `msg` argument contains the message to be sent.
+         * Depending on its type, different behavior can apply. If `msg` is a `Buffer`,
+         * any `TypedArray` or a `DataView`,
+         * the `offset` and `length` specify the offset within the `Buffer` where the
+         * message begins and the number of bytes in the message, respectively.
+         * If `msg` is a `String`, then it is automatically converted to a `Buffer`with `'utf8'` encoding. With messages that
+         * contain multi-byte characters, `offset` and `length` will be calculated with
+         * respect to `byte length` and not the character position.
+         * If `msg` is an array, `offset` and `length` must not be specified.
+         *
+         * The `address` argument is a string. If the value of `address` is a host name,
+         * DNS will be used to resolve the address of the host. If `address` is not
+         * provided or otherwise nullish, `'127.0.0.1'` (for `udp4` sockets) or `'::1'`(for `udp6` sockets) will be used by default.
+         *
+         * If the socket has not been previously bound with a call to `bind`, the socket
+         * is assigned a random port number and is bound to the "all interfaces" address
+         * (`'0.0.0.0'` for `udp4` sockets, `'::0'` for `udp6` sockets.)
+         *
+         * An optional `callback` function may be specified to as a way of reporting
+         * DNS errors or for determining when it is safe to reuse the `buf` object.
+         * DNS lookups delay the time to send for at least one tick of the
+         * Node.js event loop.
+         *
+         * The only way to know for sure that the datagram has been sent is by using a`callback`. If an error occurs and a `callback` is given, the error will be
+         * passed as the first argument to the `callback`. If a `callback` is not given,
+         * the error is emitted as an `'error'` event on the `socket` object.
+         *
+         * Offset and length are optional but both _must_ be set if either are used.
+         * They are supported only when the first argument is a `Buffer`, a `TypedArray`,
+         * or a `DataView`.
+         *
+         * This method throws `ERR_SOCKET_BAD_PORT` if called on an unbound socket.
+         *
+         * Example of sending a UDP packet to a port on `localhost`;
+         *
+         * ```js
+         * import dgram from 'dgram';
+         * import { Buffer } from 'buffer';
+         *
+         * const message = Buffer.from('Some bytes');
+         * const client = dgram.createSocket('udp4');
+         * client.send(message, 41234, 'localhost', (err) => {
+         *   client.close();
+         * });
+         * ```
+         *
+         * Example of sending a UDP packet composed of multiple buffers to a port on`127.0.0.1`;
+         *
+         * ```js
+         * import dgram from 'dgram';
+         * import { Buffer } from 'buffer';
+         *
+         * const buf1 = Buffer.from('Some ');
+         * const buf2 = Buffer.from('bytes');
+         * const client = dgram.createSocket('udp4');
+         * client.send([buf1, buf2], 41234, (err) => {
+         *   client.close();
+         * });
+         * ```
+         *
+         * Sending multiple buffers might be faster or slower depending on the
+         * application and operating system. Run benchmarks to
+         * determine the optimal strategy on a case-by-case basis. Generally speaking,
+         * however, sending multiple buffers is faster.
+         *
+         * Example of sending a UDP packet using a socket connected to a port on`localhost`:
+         *
+         * ```js
+         * import dgram from 'dgram';
+         * import { Buffer } from 'buffer';
+         *
+         * const message = Buffer.from('Some bytes');
+         * const client = dgram.createSocket('udp4');
+         * client.connect(41234, 'localhost', (err) => {
+         *   client.send(message, (err) => {
+         *     client.close();
+         *   });
+         * });
+         * ```
+         * @since v0.1.99
+         * @param msg Message to be sent.
+         * @param offset Offset in the buffer where the message starts.
+         * @param length Number of bytes in the message.
+         * @param port Destination port.
+         * @param address Destination host name or IP address.
+         * @param callback Called when the message has been sent.
+         */
+        send(msg: string | Uint8Array | ReadonlyArray<any>, port?: number, address?: string, callback?: (error: Error | null, bytes: number) => void): void;
+        send(msg: string | Uint8Array | ReadonlyArray<any>, port?: number, callback?: (error: Error | null, bytes: number) => void): void;
+        send(msg: string | Uint8Array | ReadonlyArray<any>, callback?: (error: Error | null, bytes: number) => void): void;
+        send(msg: string | Uint8Array, offset: number, length: number, port?: number, address?: string, callback?: (error: Error | null, bytes: number) => void): void;
+        send(msg: string | Uint8Array, offset: number, length: number, port?: number, callback?: (error: Error | null, bytes: number) => void): void;
+        send(msg: string | Uint8Array, offset: number, length: number, callback?: (error: Error | null, bytes: number) => void): void;
+        /**
+         * Sets or clears the `SO_BROADCAST` socket option. When set to `true`, UDP
+         * packets may be sent to a local interface's broadcast address.
+         *
+         * This method throws `EBADF` if called on an unbound socket.
+         * @since v0.6.9
+         */
+        setBroadcast(flag: boolean): void;
+        /**
+         * _All references to scope in this section are referring to [IPv6 Zone Indices](https://en.wikipedia.org/wiki/IPv6_address#Scoped_literal_IPv6_addresses), which are defined by [RFC
+         * 4007](https://tools.ietf.org/html/rfc4007). In string form, an IP_
+         * _with a scope index is written as `'IP%scope'` where scope is an interface name_
+         * _or interface number._
+         *
+         * Sets the default outgoing multicast interface of the socket to a chosen
+         * interface or back to system interface selection. The `multicastInterface` must
+         * be a valid string representation of an IP from the socket's family.
+         *
+         * For IPv4 sockets, this should be the IP configured for the desired physical
+         * interface. All packets sent to multicast on the socket will be sent on the
+         * interface determined by the most recent successful use of this call.
+         *
+         * For IPv6 sockets, `multicastInterface` should include a scope to indicate the
+         * interface as in the examples that follow. In IPv6, individual `send` calls can
+         * also use explicit scope in addresses, so only packets sent to a multicast
+         * address without specifying an explicit scope are affected by the most recent
+         * successful use of this call.
+         *
+         * This method throws `EBADF` if called on an unbound socket.
+         *
+         * #### Example: IPv6 outgoing multicast interface
+         *
+         * On most systems, where scope format uses the interface name:
+         *
+         * ```js
+         * const socket = dgram.createSocket('udp6');
+         *
+         * socket.bind(1234, () => {
+         *   socket.setMulticastInterface('::%eth1');
+         * });
+         * ```
+         *
+         * On Windows, where scope format uses an interface number:
+         *
+         * ```js
+         * const socket = dgram.createSocket('udp6');
+         *
+         * socket.bind(1234, () => {
+         *   socket.setMulticastInterface('::%2');
+         * });
+         * ```
+         *
+         * #### Example: IPv4 outgoing multicast interface
+         *
+         * All systems use an IP of the host on the desired physical interface:
+         *
+         * ```js
+         * const socket = dgram.createSocket('udp4');
+         *
+         * socket.bind(1234, () => {
+         *   socket.setMulticastInterface('10.0.0.2');
+         * });
+         * ```
+         * @since v8.6.0
+         */
+        setMulticastInterface(multicastInterface: string): void;
+        /**
+         * Sets or clears the `IP_MULTICAST_LOOP` socket option. When set to `true`,
+         * multicast packets will also be received on the local interface.
+         *
+         * This method throws `EBADF` if called on an unbound socket.
+         * @since v0.3.8
+         */
+        setMulticastLoopback(flag: boolean): boolean;
+        /**
+         * Sets the `IP_MULTICAST_TTL` socket option. While TTL generally stands for
+         * "Time to Live", in this context it specifies the number of IP hops that a
+         * packet is allowed to travel through, specifically for multicast traffic. Each
+         * router or gateway that forwards a packet decrements the TTL. If the TTL is
+         * decremented to 0 by a router, it will not be forwarded.
+         *
+         * The `ttl` argument may be between 0 and 255\. The default on most systems is `1`.
+         *
+         * This method throws `EBADF` if called on an unbound socket.
+         * @since v0.3.8
+         */
+        setMulticastTTL(ttl: number): number;
+        /**
+         * Sets the `SO_RCVBUF` socket option. Sets the maximum socket receive buffer
+         * in bytes.
+         *
+         * This method throws `ERR_SOCKET_BUFFER_SIZE` if called on an unbound socket.
+         * @since v8.7.0
+         */
+        setRecvBufferSize(size: number): void;
+        /**
+         * Sets the `SO_SNDBUF` socket option. Sets the maximum socket send buffer
+         * in bytes.
+         *
+         * This method throws `ERR_SOCKET_BUFFER_SIZE` if called on an unbound socket.
+         * @since v8.7.0
+         */
+        setSendBufferSize(size: number): void;
+        /**
+         * Sets the `IP_TTL` socket option. While TTL generally stands for "Time to Live",
+         * in this context it specifies the number of IP hops that a packet is allowed to
+         * travel through. Each router or gateway that forwards a packet decrements the
+         * TTL. If the TTL is decremented to 0 by a router, it will not be forwarded.
+         * Changing TTL values is typically done for network probes or when multicasting.
+         *
+         * The `ttl` argument may be between 1 and 255\. The default on most systems
+         * is 64.
+         *
+         * This method throws `EBADF` if called on an unbound socket.
+         * @since v0.1.101
+         */
+        setTTL(ttl: number): number;
+        /**
+         * By default, binding a socket will cause it to block the Node.js process from
+         * exiting as long as the socket is open. The `socket.unref()` method can be used
+         * to exclude the socket from the reference counting that keeps the Node.js
+         * process active, allowing the process to exit even if the socket is still
+         * listening.
+         *
+         * Calling `socket.unref()` multiple times will have no addition effect.
+         *
+         * The `socket.unref()` method returns a reference to the socket so calls can be
+         * chained.
+         * @since v0.9.1
+         */
+        unref(): this;
+        /**
+         * Tells the kernel to join a source-specific multicast channel at the given`sourceAddress` and `groupAddress`, using the `multicastInterface` with the`IP_ADD_SOURCE_MEMBERSHIP` socket
+         * option. If the `multicastInterface` argument
+         * is not specified, the operating system will choose one interface and will add
+         * membership to it. To add membership to every available interface, call`socket.addSourceSpecificMembership()` multiple times, once per interface.
+         *
+         * When called on an unbound socket, this method will implicitly bind to a random
+         * port, listening on all interfaces.
+         * @since v13.1.0, v12.16.0
+         */
+        addSourceSpecificMembership(sourceAddress: string, groupAddress: string, multicastInterface?: string): void;
+        /**
+         * Instructs the kernel to leave a source-specific multicast channel at the given`sourceAddress` and `groupAddress` using the `IP_DROP_SOURCE_MEMBERSHIP`socket option. This method is
+         * automatically called by the kernel when the
+         * socket is closed or the process terminates, so most apps will never have
+         * reason to call this.
+         *
+         * If `multicastInterface` is not specified, the operating system will attempt to
+         * drop membership on all valid interfaces.
+         * @since v13.1.0, v12.16.0
+         */
+        dropSourceSpecificMembership(sourceAddress: string, groupAddress: string, multicastInterface?: string): void;
+        /**
+         * events.EventEmitter
+         * 1. close
+         * 2. connect
+         * 3. error
+         * 4. listening
+         * 5. message
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'connect', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'listening', listener: () => void): this;
+        addListener(event: 'message', listener: (msg: Buffer, rinfo: RemoteInfo) => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'connect'): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'listening'): boolean;
+        emit(event: 'message', msg: Buffer, rinfo: RemoteInfo): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'connect', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'listening', listener: () => void): this;
+        on(event: 'message', listener: (msg: Buffer, rinfo: RemoteInfo) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'connect', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'listening', listener: () => void): this;
+        once(event: 'message', listener: (msg: Buffer, rinfo: RemoteInfo) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'connect', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'listening', listener: () => void): this;
+        prependListener(event: 'message', listener: (msg: Buffer, rinfo: RemoteInfo) => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'connect', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'listening', listener: () => void): this;
+        prependOnceListener(event: 'message', listener: (msg: Buffer, rinfo: RemoteInfo) => void): this;
+    }
+}
+declare module 'node:dgram' {
+    export * from 'dgram';
+}
diff --git a/node_modules/@types/node/diagnostics_channel.d.ts b/node_modules/@types/node/diagnostics_channel.d.ts
new file mode 100644
index 000000000..a87ba8ca9
--- /dev/null
+++ b/node_modules/@types/node/diagnostics_channel.d.ts
@@ -0,0 +1,153 @@
+/**
+ * The `diagnostics_channel` module provides an API to create named channels
+ * to report arbitrary message data for diagnostics purposes.
+ *
+ * It can be accessed using:
+ *
+ * ```js
+ * import diagnostics_channel from 'diagnostics_channel';
+ * ```
+ *
+ * It is intended that a module writer wanting to report diagnostics messages
+ * will create one or many top-level channels to report messages through.
+ * Channels may also be acquired at runtime but it is not encouraged
+ * due to the additional overhead of doing so. Channels may be exported for
+ * convenience, but as long as the name is known it can be acquired anywhere.
+ *
+ * If you intend for your module to produce diagnostics data for others to
+ * consume it is recommended that you include documentation of what named
+ * channels are used along with the shape of the message data. Channel names
+ * should generally include the module name to avoid collisions with data from
+ * other modules.
+ * @experimental
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/diagnostics_channel.js)
+ */
+declare module 'diagnostics_channel' {
+    /**
+     * Check if there are active subscribers to the named channel. This is helpful if
+     * the message you want to send might be expensive to prepare.
+     *
+     * This API is optional but helpful when trying to publish messages from very
+     * performance-sensitive code.
+     *
+     * ```js
+     * import diagnostics_channel from 'diagnostics_channel';
+     *
+     * if (diagnostics_channel.hasSubscribers('my-channel')) {
+     *   // There are subscribers, prepare and publish message
+     * }
+     * ```
+     * @since v15.1.0, v14.17.0
+     * @param name The channel name
+     * @return If there are active subscribers
+     */
+    function hasSubscribers(name: string): boolean;
+    /**
+     * This is the primary entry-point for anyone wanting to interact with a named
+     * channel. It produces a channel object which is optimized to reduce overhead at
+     * publish time as much as possible.
+     *
+     * ```js
+     * import diagnostics_channel from 'diagnostics_channel';
+     *
+     * const channel = diagnostics_channel.channel('my-channel');
+     * ```
+     * @since v15.1.0, v14.17.0
+     * @param name The channel name
+     * @return The named channel object
+     */
+    function channel(name: string): Channel;
+    type ChannelListener = (message: unknown, name: string) => void;
+    /**
+     * The class `Channel` represents an individual named channel within the data
+     * pipeline. It is use to track subscribers and to publish messages when there
+     * are subscribers present. It exists as a separate object to avoid channel
+     * lookups at publish time, enabling very fast publish speeds and allowing
+     * for heavy use while incurring very minimal cost. Channels are created with {@link channel}, constructing a channel directly
+     * with `new Channel(name)` is not supported.
+     * @since v15.1.0, v14.17.0
+     */
+    class Channel {
+        readonly name: string;
+        /**
+         * Check if there are active subscribers to this channel. This is helpful if
+         * the message you want to send might be expensive to prepare.
+         *
+         * This API is optional but helpful when trying to publish messages from very
+         * performance-sensitive code.
+         *
+         * ```js
+         * import diagnostics_channel from 'diagnostics_channel';
+         *
+         * const channel = diagnostics_channel.channel('my-channel');
+         *
+         * if (channel.hasSubscribers) {
+         *   // There are subscribers, prepare and publish message
+         * }
+         * ```
+         * @since v15.1.0, v14.17.0
+         */
+        readonly hasSubscribers: boolean;
+        private constructor(name: string);
+        /**
+         * Publish a message to any subscribers to the channel. This will
+         * trigger message handlers synchronously so they will execute within
+         * the same context.
+         *
+         * ```js
+         * import diagnostics_channel from 'diagnostics_channel';
+         *
+         * const channel = diagnostics_channel.channel('my-channel');
+         *
+         * channel.publish({
+         *   some: 'message'
+         * });
+         * ```
+         * @since v15.1.0, v14.17.0
+         * @param message The message to send to the channel subscribers
+         */
+        publish(message: unknown): void;
+        /**
+         * Register a message handler to subscribe to this channel. This message handler
+         * will be run synchronously whenever a message is published to the channel. Any
+         * errors thrown in the message handler will trigger an `'uncaughtException'`.
+         *
+         * ```js
+         * import diagnostics_channel from 'diagnostics_channel';
+         *
+         * const channel = diagnostics_channel.channel('my-channel');
+         *
+         * channel.subscribe((message, name) => {
+         *   // Received data
+         * });
+         * ```
+         * @since v15.1.0, v14.17.0
+         * @param onMessage The handler to receive channel messages
+         */
+        subscribe(onMessage: ChannelListener): void;
+        /**
+         * Remove a message handler previously registered to this channel with `channel.subscribe(onMessage)`.
+         *
+         * ```js
+         * import diagnostics_channel from 'diagnostics_channel';
+         *
+         * const channel = diagnostics_channel.channel('my-channel');
+         *
+         * function onMessage(message, name) {
+         *   // Received data
+         * }
+         *
+         * channel.subscribe(onMessage);
+         *
+         * channel.unsubscribe(onMessage);
+         * ```
+         * @since v15.1.0, v14.17.0
+         * @param onMessage The previous subscribed handler to remove
+         * @return `true` if the handler was found, `false` otherwise.
+         */
+        unsubscribe(onMessage: ChannelListener): void;
+    }
+}
+declare module 'node:diagnostics_channel' {
+    export * from 'diagnostics_channel';
+}
diff --git a/node_modules/@types/node/dns.d.ts b/node_modules/@types/node/dns.d.ts
new file mode 100644
index 000000000..305367b81
--- /dev/null
+++ b/node_modules/@types/node/dns.d.ts
@@ -0,0 +1,659 @@
+/**
+ * The `dns` module enables name resolution. For example, use it to look up IP
+ * addresses of host names.
+ *
+ * Although named for the [Domain Name System (DNS)](https://en.wikipedia.org/wiki/Domain_Name_System), it does not always use the
+ * DNS protocol for lookups. {@link lookup} uses the operating system
+ * facilities to perform name resolution. It may not need to perform any network
+ * communication. To perform name resolution the way other applications on the same
+ * system do, use {@link lookup}.
+ *
+ * ```js
+ * const dns = require('dns');
+ *
+ * dns.lookup('example.org', (err, address, family) => {
+ *   console.log('address: %j family: IPv%s', address, family);
+ * });
+ * // address: "93.184.216.34" family: IPv4
+ * ```
+ *
+ * All other functions in the `dns` module connect to an actual DNS server to
+ * perform name resolution. They will always use the network to perform DNS
+ * queries. These functions do not use the same set of configuration files used by {@link lookup} (e.g. `/etc/hosts`). Use these functions to always perform
+ * DNS queries, bypassing other name-resolution facilities.
+ *
+ * ```js
+ * const dns = require('dns');
+ *
+ * dns.resolve4('archive.org', (err, addresses) => {
+ *   if (err) throw err;
+ *
+ *   console.log(`addresses: ${JSON.stringify(addresses)}`);
+ *
+ *   addresses.forEach((a) => {
+ *     dns.reverse(a, (err, hostnames) => {
+ *       if (err) {
+ *         throw err;
+ *       }
+ *       console.log(`reverse for ${a}: ${JSON.stringify(hostnames)}`);
+ *     });
+ *   });
+ * });
+ * ```
+ *
+ * See the `Implementation considerations section` for more information.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/dns.js)
+ */
+declare module 'dns' {
+    import * as dnsPromises from 'node:dns/promises';
+    // Supported getaddrinfo flags.
+    export const ADDRCONFIG: number;
+    export const V4MAPPED: number;
+    /**
+     * If `dns.V4MAPPED` is specified, return resolved IPv6 addresses as
+     * well as IPv4 mapped IPv6 addresses.
+     */
+    export const ALL: number;
+    export interface LookupOptions {
+        family?: number | undefined;
+        hints?: number | undefined;
+        all?: boolean | undefined;
+        /**
+         * @default true
+         */
+        verbatim?: boolean | undefined;
+    }
+    export interface LookupOneOptions extends LookupOptions {
+        all?: false | undefined;
+    }
+    export interface LookupAllOptions extends LookupOptions {
+        all: true;
+    }
+    export interface LookupAddress {
+        address: string;
+        family: number;
+    }
+    /**
+     * Resolves a host name (e.g. `'nodejs.org'`) into the first found A (IPv4) or
+     * AAAA (IPv6) record. All `option` properties are optional. If `options` is an
+     * integer, then it must be `4` or `6` – if `options` is not provided, then IPv4
+     * and IPv6 addresses are both returned if found.
+     *
+     * With the `all` option set to `true`, the arguments for `callback` change to`(err, addresses)`, with `addresses` being an array of objects with the
+     * properties `address` and `family`.
+     *
+     * On error, `err` is an `Error` object, where `err.code` is the error code.
+     * Keep in mind that `err.code` will be set to `'ENOTFOUND'` not only when
+     * the host name does not exist but also when the lookup fails in other ways
+     * such as no available file descriptors.
+     *
+     * `dns.lookup()` does not necessarily have anything to do with the DNS protocol.
+     * The implementation uses an operating system facility that can associate names
+     * with addresses, and vice versa. This implementation can have subtle but
+     * important consequences on the behavior of any Node.js program. Please take some
+     * time to consult the `Implementation considerations section` before using`dns.lookup()`.
+     *
+     * Example usage:
+     *
+     * ```js
+     * const dns = require('dns');
+     * const options = {
+     *   family: 6,
+     *   hints: dns.ADDRCONFIG | dns.V4MAPPED,
+     * };
+     * dns.lookup('example.com', options, (err, address, family) =>
+     *   console.log('address: %j family: IPv%s', address, family));
+     * // address: "2606:2800:220:1:248:1893:25c8:1946" family: IPv6
+     *
+     * // When options.all is true, the result will be an Array.
+     * options.all = true;
+     * dns.lookup('example.com', options, (err, addresses) =>
+     *   console.log('addresses: %j', addresses));
+     * // addresses: [{"address":"2606:2800:220:1:248:1893:25c8:1946","family":6}]
+     * ```
+     *
+     * If this method is invoked as its `util.promisify()` ed version, and `all`is not set to `true`, it returns a `Promise` for an `Object` with `address` and`family` properties.
+     * @since v0.1.90
+     */
+    export function lookup(hostname: string, family: number, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void): void;
+    export function lookup(hostname: string, options: LookupOneOptions, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void): void;
+    export function lookup(hostname: string, options: LookupAllOptions, callback: (err: NodeJS.ErrnoException | null, addresses: LookupAddress[]) => void): void;
+    export function lookup(hostname: string, options: LookupOptions, callback: (err: NodeJS.ErrnoException | null, address: string | LookupAddress[], family: number) => void): void;
+    export function lookup(hostname: string, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void): void;
+    export namespace lookup {
+        function __promisify__(hostname: string, options: LookupAllOptions): Promise<LookupAddress[]>;
+        function __promisify__(hostname: string, options?: LookupOneOptions | number): Promise<LookupAddress>;
+        function __promisify__(hostname: string, options: LookupOptions): Promise<LookupAddress | LookupAddress[]>;
+    }
+    /**
+     * Resolves the given `address` and `port` into a host name and service using
+     * the operating system's underlying `getnameinfo` implementation.
+     *
+     * If `address` is not a valid IP address, a `TypeError` will be thrown.
+     * The `port` will be coerced to a number. If it is not a legal port, a `TypeError`will be thrown.
+     *
+     * On an error, `err` is an `Error` object, where `err.code` is the error code.
+     *
+     * ```js
+     * const dns = require('dns');
+     * dns.lookupService('127.0.0.1', 22, (err, hostname, service) => {
+     *   console.log(hostname, service);
+     *   // Prints: localhost ssh
+     * });
+     * ```
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns a`Promise` for an `Object` with `hostname` and `service` properties.
+     * @since v0.11.14
+     */
+    export function lookupService(address: string, port: number, callback: (err: NodeJS.ErrnoException | null, hostname: string, service: string) => void): void;
+    export namespace lookupService {
+        function __promisify__(
+            address: string,
+            port: number
+        ): Promise<{
+            hostname: string;
+            service: string;
+        }>;
+    }
+    export interface ResolveOptions {
+        ttl: boolean;
+    }
+    export interface ResolveWithTtlOptions extends ResolveOptions {
+        ttl: true;
+    }
+    export interface RecordWithTtl {
+        address: string;
+        ttl: number;
+    }
+    /** @deprecated Use `AnyARecord` or `AnyAaaaRecord` instead. */
+    export type AnyRecordWithTtl = AnyARecord | AnyAaaaRecord;
+    export interface AnyARecord extends RecordWithTtl {
+        type: 'A';
+    }
+    export interface AnyAaaaRecord extends RecordWithTtl {
+        type: 'AAAA';
+    }
+    export interface CaaRecord {
+        critial: number;
+        issue?: string | undefined;
+        issuewild?: string | undefined;
+        iodef?: string | undefined;
+        contactemail?: string | undefined;
+        contactphone?: string | undefined;
+    }
+    export interface MxRecord {
+        priority: number;
+        exchange: string;
+    }
+    export interface AnyMxRecord extends MxRecord {
+        type: 'MX';
+    }
+    export interface NaptrRecord {
+        flags: string;
+        service: string;
+        regexp: string;
+        replacement: string;
+        order: number;
+        preference: number;
+    }
+    export interface AnyNaptrRecord extends NaptrRecord {
+        type: 'NAPTR';
+    }
+    export interface SoaRecord {
+        nsname: string;
+        hostmaster: string;
+        serial: number;
+        refresh: number;
+        retry: number;
+        expire: number;
+        minttl: number;
+    }
+    export interface AnySoaRecord extends SoaRecord {
+        type: 'SOA';
+    }
+    export interface SrvRecord {
+        priority: number;
+        weight: number;
+        port: number;
+        name: string;
+    }
+    export interface AnySrvRecord extends SrvRecord {
+        type: 'SRV';
+    }
+    export interface AnyTxtRecord {
+        type: 'TXT';
+        entries: string[];
+    }
+    export interface AnyNsRecord {
+        type: 'NS';
+        value: string;
+    }
+    export interface AnyPtrRecord {
+        type: 'PTR';
+        value: string;
+    }
+    export interface AnyCnameRecord {
+        type: 'CNAME';
+        value: string;
+    }
+    export type AnyRecord = AnyARecord | AnyAaaaRecord | AnyCnameRecord | AnyMxRecord | AnyNaptrRecord | AnyNsRecord | AnyPtrRecord | AnySoaRecord | AnySrvRecord | AnyTxtRecord;
+    /**
+     * Uses the DNS protocol to resolve a host name (e.g. `'nodejs.org'`) into an array
+     * of the resource records. The `callback` function has arguments`(err, records)`. When successful, `records` will be an array of resource
+     * records. The type and structure of individual results varies based on `rrtype`:
+     *
+     * <omitted>
+     *
+     * On error, `err` is an `Error` object, where `err.code` is one of the `DNS error codes`.
+     * @since v0.1.27
+     * @param hostname Host name to resolve.
+     * @param [rrtype='A'] Resource record type.
+     */
+    export function resolve(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'A', callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'AAAA', callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'ANY', callback: (err: NodeJS.ErrnoException | null, addresses: AnyRecord[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'CNAME', callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'MX', callback: (err: NodeJS.ErrnoException | null, addresses: MxRecord[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'NAPTR', callback: (err: NodeJS.ErrnoException | null, addresses: NaptrRecord[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'NS', callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'PTR', callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'SOA', callback: (err: NodeJS.ErrnoException | null, addresses: SoaRecord) => void): void;
+    export function resolve(hostname: string, rrtype: 'SRV', callback: (err: NodeJS.ErrnoException | null, addresses: SrvRecord[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'TXT', callback: (err: NodeJS.ErrnoException | null, addresses: string[][]) => void): void;
+    export function resolve(
+        hostname: string,
+        rrtype: string,
+        callback: (err: NodeJS.ErrnoException | null, addresses: string[] | MxRecord[] | NaptrRecord[] | SoaRecord | SrvRecord[] | string[][] | AnyRecord[]) => void
+    ): void;
+    export namespace resolve {
+        function __promisify__(hostname: string, rrtype?: 'A' | 'AAAA' | 'CNAME' | 'NS' | 'PTR'): Promise<string[]>;
+        function __promisify__(hostname: string, rrtype: 'ANY'): Promise<AnyRecord[]>;
+        function __promisify__(hostname: string, rrtype: 'MX'): Promise<MxRecord[]>;
+        function __promisify__(hostname: string, rrtype: 'NAPTR'): Promise<NaptrRecord[]>;
+        function __promisify__(hostname: string, rrtype: 'SOA'): Promise<SoaRecord>;
+        function __promisify__(hostname: string, rrtype: 'SRV'): Promise<SrvRecord[]>;
+        function __promisify__(hostname: string, rrtype: 'TXT'): Promise<string[][]>;
+        function __promisify__(hostname: string, rrtype: string): Promise<string[] | MxRecord[] | NaptrRecord[] | SoaRecord | SrvRecord[] | string[][] | AnyRecord[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve a IPv4 addresses (`A` records) for the`hostname`. The `addresses` argument passed to the `callback` function
+     * will contain an array of IPv4 addresses (e.g.`['74.125.79.104', '74.125.79.105', '74.125.79.106']`).
+     * @since v0.1.16
+     * @param hostname Host name to resolve.
+     */
+    export function resolve4(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve4(hostname: string, options: ResolveWithTtlOptions, callback: (err: NodeJS.ErrnoException | null, addresses: RecordWithTtl[]) => void): void;
+    export function resolve4(hostname: string, options: ResolveOptions, callback: (err: NodeJS.ErrnoException | null, addresses: string[] | RecordWithTtl[]) => void): void;
+    export namespace resolve4 {
+        function __promisify__(hostname: string): Promise<string[]>;
+        function __promisify__(hostname: string, options: ResolveWithTtlOptions): Promise<RecordWithTtl[]>;
+        function __promisify__(hostname: string, options?: ResolveOptions): Promise<string[] | RecordWithTtl[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve a IPv6 addresses (`AAAA` records) for the`hostname`. The `addresses` argument passed to the `callback` function
+     * will contain an array of IPv6 addresses.
+     * @since v0.1.16
+     * @param hostname Host name to resolve.
+     */
+    export function resolve6(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve6(hostname: string, options: ResolveWithTtlOptions, callback: (err: NodeJS.ErrnoException | null, addresses: RecordWithTtl[]) => void): void;
+    export function resolve6(hostname: string, options: ResolveOptions, callback: (err: NodeJS.ErrnoException | null, addresses: string[] | RecordWithTtl[]) => void): void;
+    export namespace resolve6 {
+        function __promisify__(hostname: string): Promise<string[]>;
+        function __promisify__(hostname: string, options: ResolveWithTtlOptions): Promise<RecordWithTtl[]>;
+        function __promisify__(hostname: string, options?: ResolveOptions): Promise<string[] | RecordWithTtl[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve `CNAME` records for the `hostname`. The`addresses` argument passed to the `callback` function
+     * will contain an array of canonical name records available for the `hostname`(e.g. `['bar.example.com']`).
+     * @since v0.3.2
+     */
+    export function resolveCname(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export namespace resolveCname {
+        function __promisify__(hostname: string): Promise<string[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve `CAA` records for the `hostname`. The`addresses` argument passed to the `callback` function
+     * will contain an array of certification authority authorization records
+     * available for the `hostname` (e.g. `[{critical: 0, iodef: 'mailto:pki@example.com'}, {critical: 128, issue: 'pki.example.com'}]`).
+     * @since v15.0.0, v14.17.0
+     */
+    export function resolveCaa(hostname: string, callback: (err: NodeJS.ErrnoException | null, records: CaaRecord[]) => void): void;
+    export namespace resolveCaa {
+        function __promisify__(hostname: string): Promise<CaaRecord[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve mail exchange records (`MX` records) for the`hostname`. The `addresses` argument passed to the `callback` function will
+     * contain an array of objects containing both a `priority` and `exchange`property (e.g. `[{priority: 10, exchange: 'mx.example.com'}, ...]`).
+     * @since v0.1.27
+     */
+    export function resolveMx(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: MxRecord[]) => void): void;
+    export namespace resolveMx {
+        function __promisify__(hostname: string): Promise<MxRecord[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve regular expression based records (`NAPTR`records) for the `hostname`. The `addresses` argument passed to the `callback`function will contain an array of
+     * objects with the following properties:
+     *
+     * * `flags`
+     * * `service`
+     * * `regexp`
+     * * `replacement`
+     * * `order`
+     * * `preference`
+     *
+     * ```js
+     * {
+     *   flags: 's',
+     *   service: 'SIP+D2U',
+     *   regexp: '',
+     *   replacement: '_sip._udp.example.com',
+     *   order: 30,
+     *   preference: 100
+     * }
+     * ```
+     * @since v0.9.12
+     */
+    export function resolveNaptr(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: NaptrRecord[]) => void): void;
+    export namespace resolveNaptr {
+        function __promisify__(hostname: string): Promise<NaptrRecord[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve name server records (`NS` records) for the`hostname`. The `addresses` argument passed to the `callback` function will
+     * contain an array of name server records available for `hostname`(e.g. `['ns1.example.com', 'ns2.example.com']`).
+     * @since v0.1.90
+     */
+    export function resolveNs(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export namespace resolveNs {
+        function __promisify__(hostname: string): Promise<string[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve pointer records (`PTR` records) for the`hostname`. The `addresses` argument passed to the `callback` function will
+     * be an array of strings containing the reply records.
+     * @since v6.0.0
+     */
+    export function resolvePtr(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export namespace resolvePtr {
+        function __promisify__(hostname: string): Promise<string[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve a start of authority record (`SOA` record) for
+     * the `hostname`. The `address` argument passed to the `callback` function will
+     * be an object with the following properties:
+     *
+     * * `nsname`
+     * * `hostmaster`
+     * * `serial`
+     * * `refresh`
+     * * `retry`
+     * * `expire`
+     * * `minttl`
+     *
+     * ```js
+     * {
+     *   nsname: 'ns.example.com',
+     *   hostmaster: 'root.example.com',
+     *   serial: 2013101809,
+     *   refresh: 10000,
+     *   retry: 2400,
+     *   expire: 604800,
+     *   minttl: 3600
+     * }
+     * ```
+     * @since v0.11.10
+     */
+    export function resolveSoa(hostname: string, callback: (err: NodeJS.ErrnoException | null, address: SoaRecord) => void): void;
+    export namespace resolveSoa {
+        function __promisify__(hostname: string): Promise<SoaRecord>;
+    }
+    /**
+     * Uses the DNS protocol to resolve service records (`SRV` records) for the`hostname`. The `addresses` argument passed to the `callback` function will
+     * be an array of objects with the following properties:
+     *
+     * * `priority`
+     * * `weight`
+     * * `port`
+     * * `name`
+     *
+     * ```js
+     * {
+     *   priority: 10,
+     *   weight: 5,
+     *   port: 21223,
+     *   name: 'service.example.com'
+     * }
+     * ```
+     * @since v0.1.27
+     */
+    export function resolveSrv(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: SrvRecord[]) => void): void;
+    export namespace resolveSrv {
+        function __promisify__(hostname: string): Promise<SrvRecord[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve text queries (`TXT` records) for the`hostname`. The `records` argument passed to the `callback` function is a
+     * two-dimensional array of the text records available for `hostname` (e.g.`[ ['v=spf1 ip4:0.0.0.0 ', '~all' ] ]`). Each sub-array contains TXT chunks of
+     * one record. Depending on the use case, these could be either joined together or
+     * treated separately.
+     * @since v0.1.27
+     */
+    export function resolveTxt(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[][]) => void): void;
+    export namespace resolveTxt {
+        function __promisify__(hostname: string): Promise<string[][]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve all records (also known as `ANY` or `*` query).
+     * The `ret` argument passed to the `callback` function will be an array containing
+     * various types of records. Each object has a property `type` that indicates the
+     * type of the current record. And depending on the `type`, additional properties
+     * will be present on the object:
+     *
+     * <omitted>
+     *
+     * Here is an example of the `ret` object passed to the callback:
+     *
+     * ```js
+     * [ { type: 'A', address: '127.0.0.1', ttl: 299 },
+     *   { type: 'CNAME', value: 'example.com' },
+     *   { type: 'MX', exchange: 'alt4.aspmx.l.example.com', priority: 50 },
+     *   { type: 'NS', value: 'ns1.example.com' },
+     *   { type: 'TXT', entries: [ 'v=spf1 include:_spf.example.com ~all' ] },
+     *   { type: 'SOA',
+     *     nsname: 'ns1.example.com',
+     *     hostmaster: 'admin.example.com',
+     *     serial: 156696742,
+     *     refresh: 900,
+     *     retry: 900,
+     *     expire: 1800,
+     *     minttl: 60 } ]
+     * ```
+     *
+     * DNS server operators may choose not to respond to `ANY`queries. It may be better to call individual methods like {@link resolve4},{@link resolveMx}, and so on. For more details, see [RFC
+     * 8482](https://tools.ietf.org/html/rfc8482).
+     */
+    export function resolveAny(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: AnyRecord[]) => void): void;
+    export namespace resolveAny {
+        function __promisify__(hostname: string): Promise<AnyRecord[]>;
+    }
+    /**
+     * Performs a reverse DNS query that resolves an IPv4 or IPv6 address to an
+     * array of host names.
+     *
+     * On error, `err` is an `Error` object, where `err.code` is
+     * one of the `DNS error codes`.
+     * @since v0.1.16
+     */
+    export function reverse(ip: string, callback: (err: NodeJS.ErrnoException | null, hostnames: string[]) => void): void;
+    /**
+     * Sets the IP address and port of servers to be used when performing DNS
+     * resolution. The `servers` argument is an array of [RFC 5952](https://tools.ietf.org/html/rfc5952#section-6) formatted
+     * addresses. If the port is the IANA default DNS port (53) it can be omitted.
+     *
+     * ```js
+     * dns.setServers([
+     *   '4.4.4.4',
+     *   '[2001:4860:4860::8888]',
+     *   '4.4.4.4:1053',
+     *   '[2001:4860:4860::8888]:1053',
+     * ]);
+     * ```
+     *
+     * An error will be thrown if an invalid address is provided.
+     *
+     * The `dns.setServers()` method must not be called while a DNS query is in
+     * progress.
+     *
+     * The {@link setServers} method affects only {@link resolve},`dns.resolve*()` and {@link reverse} (and specifically _not_ {@link lookup}).
+     *
+     * This method works much like [resolve.conf](https://man7.org/linux/man-pages/man5/resolv.conf.5.html).
+     * That is, if attempting to resolve with the first server provided results in a`NOTFOUND` error, the `resolve()` method will _not_ attempt to resolve with
+     * subsequent servers provided. Fallback DNS servers will only be used if the
+     * earlier ones time out or result in some other error.
+     * @since v0.11.3
+     * @param servers array of `RFC 5952` formatted addresses
+     */
+    export function setServers(servers: ReadonlyArray<string>): void;
+    /**
+     * Returns an array of IP address strings, formatted according to [RFC 5952](https://tools.ietf.org/html/rfc5952#section-6),
+     * that are currently configured for DNS resolution. A string will include a port
+     * section if a custom port is used.
+     *
+     * ```js
+     * [
+     *   '4.4.4.4',
+     *   '2001:4860:4860::8888',
+     *   '4.4.4.4:1053',
+     *   '[2001:4860:4860::8888]:1053',
+     * ]
+     * ```
+     * @since v0.11.3
+     */
+    export function getServers(): string[];
+    /**
+     * Set the default value of `verbatim` in {@link lookup} and `dnsPromises.lookup()`. The value could be:
+     *
+     * * `ipv4first`: sets default `verbatim` `false`.
+     * * `verbatim`: sets default `verbatim` `true`.
+     *
+     * The default is `ipv4first` and {@link setDefaultResultOrder} have higher
+     * priority than `--dns-result-order`. When using `worker threads`,{@link setDefaultResultOrder} from the main thread won't affect the default
+     * dns orders in workers.
+     * @since v16.4.0, v14.18.0
+     * @param order must be `'ipv4first'` or `'verbatim'`.
+     */
+    export function setDefaultResultOrder(order: 'ipv4first' | 'verbatim'): void;
+    // Error codes
+    export const NODATA: string;
+    export const FORMERR: string;
+    export const SERVFAIL: string;
+    export const NOTFOUND: string;
+    export const NOTIMP: string;
+    export const REFUSED: string;
+    export const BADQUERY: string;
+    export const BADNAME: string;
+    export const BADFAMILY: string;
+    export const BADRESP: string;
+    export const CONNREFUSED: string;
+    export const TIMEOUT: string;
+    export const EOF: string;
+    export const FILE: string;
+    export const NOMEM: string;
+    export const DESTRUCTION: string;
+    export const BADSTR: string;
+    export const BADFLAGS: string;
+    export const NONAME: string;
+    export const BADHINTS: string;
+    export const NOTINITIALIZED: string;
+    export const LOADIPHLPAPI: string;
+    export const ADDRGETNETWORKPARAMS: string;
+    export const CANCELLED: string;
+    export interface ResolverOptions {
+        timeout?: number | undefined;
+        /**
+         * @default 4
+         */
+        tries?: number;
+    }
+    /**
+     * An independent resolver for DNS requests.
+     *
+     * Creating a new resolver uses the default server settings. Setting
+     * the servers used for a resolver using `resolver.setServers()` does not affect
+     * other resolvers:
+     *
+     * ```js
+     * const { Resolver } = require('dns');
+     * const resolver = new Resolver();
+     * resolver.setServers(['4.4.4.4']);
+     *
+     * // This request will use the server at 4.4.4.4, independent of global settings.
+     * resolver.resolve4('example.org', (err, addresses) => {
+     *   // ...
+     * });
+     * ```
+     *
+     * The following methods from the `dns` module are available:
+     *
+     * * `resolver.getServers()`
+     * * `resolver.resolve()`
+     * * `resolver.resolve4()`
+     * * `resolver.resolve6()`
+     * * `resolver.resolveAny()`
+     * * `resolver.resolveCaa()`
+     * * `resolver.resolveCname()`
+     * * `resolver.resolveMx()`
+     * * `resolver.resolveNaptr()`
+     * * `resolver.resolveNs()`
+     * * `resolver.resolvePtr()`
+     * * `resolver.resolveSoa()`
+     * * `resolver.resolveSrv()`
+     * * `resolver.resolveTxt()`
+     * * `resolver.reverse()`
+     * * `resolver.setServers()`
+     * @since v8.3.0
+     */
+    export class Resolver {
+        constructor(options?: ResolverOptions);
+        /**
+         * Cancel all outstanding DNS queries made by this resolver. The corresponding
+         * callbacks will be called with an error with code `ECANCELLED`.
+         * @since v8.3.0
+         */
+        cancel(): void;
+        getServers: typeof getServers;
+        resolve: typeof resolve;
+        resolve4: typeof resolve4;
+        resolve6: typeof resolve6;
+        resolveAny: typeof resolveAny;
+        resolveCname: typeof resolveCname;
+        resolveMx: typeof resolveMx;
+        resolveNaptr: typeof resolveNaptr;
+        resolveNs: typeof resolveNs;
+        resolvePtr: typeof resolvePtr;
+        resolveSoa: typeof resolveSoa;
+        resolveSrv: typeof resolveSrv;
+        resolveTxt: typeof resolveTxt;
+        reverse: typeof reverse;
+        /**
+         * The resolver instance will send its requests from the specified IP address.
+         * This allows programs to specify outbound interfaces when used on multi-homed
+         * systems.
+         *
+         * If a v4 or v6 address is not specified, it is set to the default, and the
+         * operating system will choose a local address automatically.
+         *
+         * The resolver will use the v4 local address when making requests to IPv4 DNS
+         * servers, and the v6 local address when making requests to IPv6 DNS servers.
+         * The `rrtype` of resolution requests has no impact on the local address used.
+         * @since v15.1.0, v14.17.0
+         * @param [ipv4='0.0.0.0'] A string representation of an IPv4 address.
+         * @param [ipv6='::0'] A string representation of an IPv6 address.
+         */
+        setLocalAddress(ipv4?: string, ipv6?: string): void;
+        setServers: typeof setServers;
+    }
+    export { dnsPromises as promises };
+}
+declare module 'node:dns' {
+    export * from 'dns';
+}
diff --git a/node_modules/@types/node/dns/promises.d.ts b/node_modules/@types/node/dns/promises.d.ts
new file mode 100644
index 000000000..77cd807bd
--- /dev/null
+++ b/node_modules/@types/node/dns/promises.d.ts
@@ -0,0 +1,370 @@
+/**
+ * The `dns.promises` API provides an alternative set of asynchronous DNS methods
+ * that return `Promise` objects rather than using callbacks. The API is accessible
+ * via `require('dns').promises` or `require('dns/promises')`.
+ * @since v10.6.0
+ */
+declare module 'dns/promises' {
+    import {
+        LookupAddress,
+        LookupOneOptions,
+        LookupAllOptions,
+        LookupOptions,
+        AnyRecord,
+        CaaRecord,
+        MxRecord,
+        NaptrRecord,
+        SoaRecord,
+        SrvRecord,
+        ResolveWithTtlOptions,
+        RecordWithTtl,
+        ResolveOptions,
+        ResolverOptions,
+    } from 'node:dns';
+    /**
+     * Returns an array of IP address strings, formatted according to [RFC 5952](https://tools.ietf.org/html/rfc5952#section-6),
+     * that are currently configured for DNS resolution. A string will include a port
+     * section if a custom port is used.
+     *
+     * ```js
+     * [
+     *   '4.4.4.4',
+     *   '2001:4860:4860::8888',
+     *   '4.4.4.4:1053',
+     *   '[2001:4860:4860::8888]:1053',
+     * ]
+     * ```
+     * @since v10.6.0
+     */
+    function getServers(): string[];
+    /**
+     * Resolves a host name (e.g. `'nodejs.org'`) into the first found A (IPv4) or
+     * AAAA (IPv6) record. All `option` properties are optional. If `options` is an
+     * integer, then it must be `4` or `6` – if `options` is not provided, then IPv4
+     * and IPv6 addresses are both returned if found.
+     *
+     * With the `all` option set to `true`, the `Promise` is resolved with `addresses`being an array of objects with the properties `address` and `family`.
+     *
+     * On error, the `Promise` is rejected with an `Error` object, where `err.code`is the error code.
+     * Keep in mind that `err.code` will be set to `'ENOTFOUND'` not only when
+     * the host name does not exist but also when the lookup fails in other ways
+     * such as no available file descriptors.
+     *
+     * `dnsPromises.lookup()` does not necessarily have anything to do with the DNS
+     * protocol. The implementation uses an operating system facility that can
+     * associate names with addresses, and vice versa. This implementation can have
+     * subtle but important consequences on the behavior of any Node.js program. Please
+     * take some time to consult the `Implementation considerations section` before
+     * using `dnsPromises.lookup()`.
+     *
+     * Example usage:
+     *
+     * ```js
+     * const dns = require('dns');
+     * const dnsPromises = dns.promises;
+     * const options = {
+     *   family: 6,
+     *   hints: dns.ADDRCONFIG | dns.V4MAPPED,
+     * };
+     *
+     * dnsPromises.lookup('example.com', options).then((result) => {
+     *   console.log('address: %j family: IPv%s', result.address, result.family);
+     *   // address: "2606:2800:220:1:248:1893:25c8:1946" family: IPv6
+     * });
+     *
+     * // When options.all is true, the result will be an Array.
+     * options.all = true;
+     * dnsPromises.lookup('example.com', options).then((result) => {
+     *   console.log('addresses: %j', result);
+     *   // addresses: [{"address":"2606:2800:220:1:248:1893:25c8:1946","family":6}]
+     * });
+     * ```
+     * @since v10.6.0
+     */
+    function lookup(hostname: string, family: number): Promise<LookupAddress>;
+    function lookup(hostname: string, options: LookupOneOptions): Promise<LookupAddress>;
+    function lookup(hostname: string, options: LookupAllOptions): Promise<LookupAddress[]>;
+    function lookup(hostname: string, options: LookupOptions): Promise<LookupAddress | LookupAddress[]>;
+    function lookup(hostname: string): Promise<LookupAddress>;
+    /**
+     * Resolves the given `address` and `port` into a host name and service using
+     * the operating system's underlying `getnameinfo` implementation.
+     *
+     * If `address` is not a valid IP address, a `TypeError` will be thrown.
+     * The `port` will be coerced to a number. If it is not a legal port, a `TypeError`will be thrown.
+     *
+     * On error, the `Promise` is rejected with an `Error` object, where `err.code`is the error code.
+     *
+     * ```js
+     * const dnsPromises = require('dns').promises;
+     * dnsPromises.lookupService('127.0.0.1', 22).then((result) => {
+     *   console.log(result.hostname, result.service);
+     *   // Prints: localhost ssh
+     * });
+     * ```
+     * @since v10.6.0
+     */
+    function lookupService(
+        address: string,
+        port: number
+    ): Promise<{
+        hostname: string;
+        service: string;
+    }>;
+    /**
+     * Uses the DNS protocol to resolve a host name (e.g. `'nodejs.org'`) into an array
+     * of the resource records. When successful, the `Promise` is resolved with an
+     * array of resource records. The type and structure of individual results vary
+     * based on `rrtype`:
+     *
+     * <omitted>
+     *
+     * On error, the `Promise` is rejected with an `Error` object, where `err.code`is one of the `DNS error codes`.
+     * @since v10.6.0
+     * @param hostname Host name to resolve.
+     * @param [rrtype='A'] Resource record type.
+     */
+    function resolve(hostname: string): Promise<string[]>;
+    function resolve(hostname: string, rrtype: 'A'): Promise<string[]>;
+    function resolve(hostname: string, rrtype: 'AAAA'): Promise<string[]>;
+    function resolve(hostname: string, rrtype: 'ANY'): Promise<AnyRecord[]>;
+    function resolve(hostname: string, rrtype: 'CAA'): Promise<CaaRecord[]>;
+    function resolve(hostname: string, rrtype: 'CNAME'): Promise<string[]>;
+    function resolve(hostname: string, rrtype: 'MX'): Promise<MxRecord[]>;
+    function resolve(hostname: string, rrtype: 'NAPTR'): Promise<NaptrRecord[]>;
+    function resolve(hostname: string, rrtype: 'NS'): Promise<string[]>;
+    function resolve(hostname: string, rrtype: 'PTR'): Promise<string[]>;
+    function resolve(hostname: string, rrtype: 'SOA'): Promise<SoaRecord>;
+    function resolve(hostname: string, rrtype: 'SRV'): Promise<SrvRecord[]>;
+    function resolve(hostname: string, rrtype: 'TXT'): Promise<string[][]>;
+    function resolve(hostname: string, rrtype: string): Promise<string[] | MxRecord[] | NaptrRecord[] | SoaRecord | SrvRecord[] | string[][] | AnyRecord[]>;
+    /**
+     * Uses the DNS protocol to resolve IPv4 addresses (`A` records) for the`hostname`. On success, the `Promise` is resolved with an array of IPv4
+     * addresses (e.g. `['74.125.79.104', '74.125.79.105', '74.125.79.106']`).
+     * @since v10.6.0
+     * @param hostname Host name to resolve.
+     */
+    function resolve4(hostname: string): Promise<string[]>;
+    function resolve4(hostname: string, options: ResolveWithTtlOptions): Promise<RecordWithTtl[]>;
+    function resolve4(hostname: string, options: ResolveOptions): Promise<string[] | RecordWithTtl[]>;
+    /**
+     * Uses the DNS protocol to resolve IPv6 addresses (`AAAA` records) for the`hostname`. On success, the `Promise` is resolved with an array of IPv6
+     * addresses.
+     * @since v10.6.0
+     * @param hostname Host name to resolve.
+     */
+    function resolve6(hostname: string): Promise<string[]>;
+    function resolve6(hostname: string, options: ResolveWithTtlOptions): Promise<RecordWithTtl[]>;
+    function resolve6(hostname: string, options: ResolveOptions): Promise<string[] | RecordWithTtl[]>;
+    /**
+     * Uses the DNS protocol to resolve all records (also known as `ANY` or `*` query).
+     * On success, the `Promise` is resolved with an array containing various types of
+     * records. Each object has a property `type` that indicates the type of the
+     * current record. And depending on the `type`, additional properties will be
+     * present on the object:
+     *
+     * <omitted>
+     *
+     * Here is an example of the result object:
+     *
+     * ```js
+     * [ { type: 'A', address: '127.0.0.1', ttl: 299 },
+     *   { type: 'CNAME', value: 'example.com' },
+     *   { type: 'MX', exchange: 'alt4.aspmx.l.example.com', priority: 50 },
+     *   { type: 'NS', value: 'ns1.example.com' },
+     *   { type: 'TXT', entries: [ 'v=spf1 include:_spf.example.com ~all' ] },
+     *   { type: 'SOA',
+     *     nsname: 'ns1.example.com',
+     *     hostmaster: 'admin.example.com',
+     *     serial: 156696742,
+     *     refresh: 900,
+     *     retry: 900,
+     *     expire: 1800,
+     *     minttl: 60 } ]
+     * ```
+     * @since v10.6.0
+     */
+    function resolveAny(hostname: string): Promise<AnyRecord[]>;
+    /**
+     * Uses the DNS protocol to resolve `CAA` records for the `hostname`. On success,
+     * the `Promise` is resolved with an array of objects containing available
+     * certification authority authorization records available for the `hostname`(e.g. `[{critical: 0, iodef: 'mailto:pki@example.com'},{critical: 128, issue: 'pki.example.com'}]`).
+     * @since v15.0.0, v14.17.0
+     */
+    function resolveCaa(hostname: string): Promise<CaaRecord[]>;
+    /**
+     * Uses the DNS protocol to resolve `CNAME` records for the `hostname`. On success,
+     * the `Promise` is resolved with an array of canonical name records available for
+     * the `hostname` (e.g. `['bar.example.com']`).
+     * @since v10.6.0
+     */
+    function resolveCname(hostname: string): Promise<string[]>;
+    /**
+     * Uses the DNS protocol to resolve mail exchange records (`MX` records) for the`hostname`. On success, the `Promise` is resolved with an array of objects
+     * containing both a `priority` and `exchange` property (e.g.`[{priority: 10, exchange: 'mx.example.com'}, ...]`).
+     * @since v10.6.0
+     */
+    function resolveMx(hostname: string): Promise<MxRecord[]>;
+    /**
+     * Uses the DNS protocol to resolve regular expression based records (`NAPTR`records) for the `hostname`. On success, the `Promise` is resolved with an array
+     * of objects with the following properties:
+     *
+     * * `flags`
+     * * `service`
+     * * `regexp`
+     * * `replacement`
+     * * `order`
+     * * `preference`
+     *
+     * ```js
+     * {
+     *   flags: 's',
+     *   service: 'SIP+D2U',
+     *   regexp: '',
+     *   replacement: '_sip._udp.example.com',
+     *   order: 30,
+     *   preference: 100
+     * }
+     * ```
+     * @since v10.6.0
+     */
+    function resolveNaptr(hostname: string): Promise<NaptrRecord[]>;
+    /**
+     * Uses the DNS protocol to resolve name server records (`NS` records) for the`hostname`. On success, the `Promise` is resolved with an array of name server
+     * records available for `hostname` (e.g.`['ns1.example.com', 'ns2.example.com']`).
+     * @since v10.6.0
+     */
+    function resolveNs(hostname: string): Promise<string[]>;
+    /**
+     * Uses the DNS protocol to resolve pointer records (`PTR` records) for the`hostname`. On success, the `Promise` is resolved with an array of strings
+     * containing the reply records.
+     * @since v10.6.0
+     */
+    function resolvePtr(hostname: string): Promise<string[]>;
+    /**
+     * Uses the DNS protocol to resolve a start of authority record (`SOA` record) for
+     * the `hostname`. On success, the `Promise` is resolved with an object with the
+     * following properties:
+     *
+     * * `nsname`
+     * * `hostmaster`
+     * * `serial`
+     * * `refresh`
+     * * `retry`
+     * * `expire`
+     * * `minttl`
+     *
+     * ```js
+     * {
+     *   nsname: 'ns.example.com',
+     *   hostmaster: 'root.example.com',
+     *   serial: 2013101809,
+     *   refresh: 10000,
+     *   retry: 2400,
+     *   expire: 604800,
+     *   minttl: 3600
+     * }
+     * ```
+     * @since v10.6.0
+     */
+    function resolveSoa(hostname: string): Promise<SoaRecord>;
+    /**
+     * Uses the DNS protocol to resolve service records (`SRV` records) for the`hostname`. On success, the `Promise` is resolved with an array of objects with
+     * the following properties:
+     *
+     * * `priority`
+     * * `weight`
+     * * `port`
+     * * `name`
+     *
+     * ```js
+     * {
+     *   priority: 10,
+     *   weight: 5,
+     *   port: 21223,
+     *   name: 'service.example.com'
+     * }
+     * ```
+     * @since v10.6.0
+     */
+    function resolveSrv(hostname: string): Promise<SrvRecord[]>;
+    /**
+     * Uses the DNS protocol to resolve text queries (`TXT` records) for the`hostname`. On success, the `Promise` is resolved with a two-dimensional array
+     * of the text records available for `hostname` (e.g.`[ ['v=spf1 ip4:0.0.0.0 ', '~all' ] ]`). Each sub-array contains TXT chunks of
+     * one record. Depending on the use case, these could be either joined together or
+     * treated separately.
+     * @since v10.6.0
+     */
+    function resolveTxt(hostname: string): Promise<string[][]>;
+    /**
+     * Performs a reverse DNS query that resolves an IPv4 or IPv6 address to an
+     * array of host names.
+     *
+     * On error, the `Promise` is rejected with an `Error` object, where `err.code`is one of the `DNS error codes`.
+     * @since v10.6.0
+     */
+    function reverse(ip: string): Promise<string[]>;
+    /**
+     * Sets the IP address and port of servers to be used when performing DNS
+     * resolution. The `servers` argument is an array of [RFC 5952](https://tools.ietf.org/html/rfc5952#section-6) formatted
+     * addresses. If the port is the IANA default DNS port (53) it can be omitted.
+     *
+     * ```js
+     * dnsPromises.setServers([
+     *   '4.4.4.4',
+     *   '[2001:4860:4860::8888]',
+     *   '4.4.4.4:1053',
+     *   '[2001:4860:4860::8888]:1053',
+     * ]);
+     * ```
+     *
+     * An error will be thrown if an invalid address is provided.
+     *
+     * The `dnsPromises.setServers()` method must not be called while a DNS query is in
+     * progress.
+     *
+     * This method works much like [resolve.conf](https://man7.org/linux/man-pages/man5/resolv.conf.5.html).
+     * That is, if attempting to resolve with the first server provided results in a`NOTFOUND` error, the `resolve()` method will _not_ attempt to resolve with
+     * subsequent servers provided. Fallback DNS servers will only be used if the
+     * earlier ones time out or result in some other error.
+     * @since v10.6.0
+     * @param servers array of `RFC 5952` formatted addresses
+     */
+    function setServers(servers: ReadonlyArray<string>): void;
+    /**
+     * Set the default value of `verbatim` in `dns.lookup()` and `dnsPromises.lookup()`. The value could be:
+     *
+     * * `ipv4first`: sets default `verbatim` `false`.
+     * * `verbatim`: sets default `verbatim` `true`.
+     *
+     * The default is `ipv4first` and `dnsPromises.setDefaultResultOrder()` have
+     * higher priority than `--dns-result-order`. When using `worker threads`,`dnsPromises.setDefaultResultOrder()` from the main thread won't affect the
+     * default dns orders in workers.
+     * @since v16.4.0, v14.18.0
+     * @param order must be `'ipv4first'` or `'verbatim'`.
+     */
+    function setDefaultResultOrder(order: 'ipv4first' | 'verbatim'): void;
+    class Resolver {
+        constructor(options?: ResolverOptions);
+        cancel(): void;
+        getServers: typeof getServers;
+        resolve: typeof resolve;
+        resolve4: typeof resolve4;
+        resolve6: typeof resolve6;
+        resolveAny: typeof resolveAny;
+        resolveCname: typeof resolveCname;
+        resolveMx: typeof resolveMx;
+        resolveNaptr: typeof resolveNaptr;
+        resolveNs: typeof resolveNs;
+        resolvePtr: typeof resolvePtr;
+        resolveSoa: typeof resolveSoa;
+        resolveSrv: typeof resolveSrv;
+        resolveTxt: typeof resolveTxt;
+        reverse: typeof reverse;
+        setLocalAddress(ipv4?: string, ipv6?: string): void;
+        setServers: typeof setServers;
+    }
+}
+declare module 'node:dns/promises' {
+    export * from 'dns/promises';
+}
diff --git a/node_modules/@types/node/domain.d.ts b/node_modules/@types/node/domain.d.ts
new file mode 100644
index 000000000..fafe68a5d
--- /dev/null
+++ b/node_modules/@types/node/domain.d.ts
@@ -0,0 +1,170 @@
+/**
+ * **This module is pending deprecation.** Once a replacement API has been
+ * finalized, this module will be fully deprecated. Most developers should
+ * **not** have cause to use this module. Users who absolutely must have
+ * the functionality that domains provide may rely on it for the time being
+ * but should expect to have to migrate to a different solution
+ * in the future.
+ *
+ * Domains provide a way to handle multiple different IO operations as a
+ * single group. If any of the event emitters or callbacks registered to a
+ * domain emit an `'error'` event, or throw an error, then the domain object
+ * will be notified, rather than losing the context of the error in the`process.on('uncaughtException')` handler, or causing the program to
+ * exit immediately with an error code.
+ * @deprecated Since v1.4.2 - Deprecated
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/domain.js)
+ */
+declare module 'domain' {
+    import EventEmitter = require('node:events');
+    /**
+     * The `Domain` class encapsulates the functionality of routing errors and
+     * uncaught exceptions to the active `Domain` object.
+     *
+     * To handle the errors that it catches, listen to its `'error'` event.
+     */
+    class Domain extends EventEmitter {
+        /**
+         * An array of timers and event emitters that have been explicitly added
+         * to the domain.
+         */
+        members: Array<EventEmitter | NodeJS.Timer>;
+        /**
+         * The `enter()` method is plumbing used by the `run()`, `bind()`, and`intercept()` methods to set the active domain. It sets `domain.active` and`process.domain` to the domain, and implicitly
+         * pushes the domain onto the domain
+         * stack managed by the domain module (see {@link exit} for details on the
+         * domain stack). The call to `enter()` delimits the beginning of a chain of
+         * asynchronous calls and I/O operations bound to a domain.
+         *
+         * Calling `enter()` changes only the active domain, and does not alter the domain
+         * itself. `enter()` and `exit()` can be called an arbitrary number of times on a
+         * single domain.
+         */
+        enter(): void;
+        /**
+         * The `exit()` method exits the current domain, popping it off the domain stack.
+         * Any time execution is going to switch to the context of a different chain of
+         * asynchronous calls, it's important to ensure that the current domain is exited.
+         * The call to `exit()` delimits either the end of or an interruption to the chain
+         * of asynchronous calls and I/O operations bound to a domain.
+         *
+         * If there are multiple, nested domains bound to the current execution context,`exit()` will exit any domains nested within this domain.
+         *
+         * Calling `exit()` changes only the active domain, and does not alter the domain
+         * itself. `enter()` and `exit()` can be called an arbitrary number of times on a
+         * single domain.
+         */
+        exit(): void;
+        /**
+         * Run the supplied function in the context of the domain, implicitly
+         * binding all event emitters, timers, and lowlevel requests that are
+         * created in that context. Optionally, arguments can be passed to
+         * the function.
+         *
+         * This is the most basic way to use a domain.
+         *
+         * ```js
+         * const domain = require('domain');
+         * const fs = require('fs');
+         * const d = domain.create();
+         * d.on('error', (er) => {
+         *   console.error('Caught error!', er);
+         * });
+         * d.run(() => {
+         *   process.nextTick(() => {
+         *     setTimeout(() => { // Simulating some various async stuff
+         *       fs.open('non-existent file', 'r', (er, fd) => {
+         *         if (er) throw er;
+         *         // proceed...
+         *       });
+         *     }, 100);
+         *   });
+         * });
+         * ```
+         *
+         * In this example, the `d.on('error')` handler will be triggered, rather
+         * than crashing the program.
+         */
+        run<T>(fn: (...args: any[]) => T, ...args: any[]): T;
+        /**
+         * Explicitly adds an emitter to the domain. If any event handlers called by
+         * the emitter throw an error, or if the emitter emits an `'error'` event, it
+         * will be routed to the domain's `'error'` event, just like with implicit
+         * binding.
+         *
+         * This also works with timers that are returned from `setInterval()` and `setTimeout()`. If their callback function throws, it will be caught by
+         * the domain `'error'` handler.
+         *
+         * If the Timer or `EventEmitter` was already bound to a domain, it is removed
+         * from that one, and bound to this one instead.
+         * @param emitter emitter or timer to be added to the domain
+         */
+        add(emitter: EventEmitter | NodeJS.Timer): void;
+        /**
+         * The opposite of {@link add}. Removes domain handling from the
+         * specified emitter.
+         * @param emitter emitter or timer to be removed from the domain
+         */
+        remove(emitter: EventEmitter | NodeJS.Timer): void;
+        /**
+         * The returned function will be a wrapper around the supplied callback
+         * function. When the returned function is called, any errors that are
+         * thrown will be routed to the domain's `'error'` event.
+         *
+         * ```js
+         * const d = domain.create();
+         *
+         * function readSomeFile(filename, cb) {
+         *   fs.readFile(filename, 'utf8', d.bind((er, data) => {
+         *     // If this throws, it will also be passed to the domain.
+         *     return cb(er, data ? JSON.parse(data) : null);
+         *   }));
+         * }
+         *
+         * d.on('error', (er) => {
+         *   // An error occurred somewhere. If we throw it now, it will crash the program
+         *   // with the normal line number and stack message.
+         * });
+         * ```
+         * @param callback The callback function
+         * @return The bound function
+         */
+        bind<T extends Function>(callback: T): T;
+        /**
+         * This method is almost identical to {@link bind}. However, in
+         * addition to catching thrown errors, it will also intercept `Error` objects sent as the first argument to the function.
+         *
+         * In this way, the common `if (err) return callback(err);` pattern can be replaced
+         * with a single error handler in a single place.
+         *
+         * ```js
+         * const d = domain.create();
+         *
+         * function readSomeFile(filename, cb) {
+         *   fs.readFile(filename, 'utf8', d.intercept((data) => {
+         *     // Note, the first argument is never passed to the
+         *     // callback since it is assumed to be the 'Error' argument
+         *     // and thus intercepted by the domain.
+         *
+         *     // If this throws, it will also be passed to the domain
+         *     // so the error-handling logic can be moved to the 'error'
+         *     // event on the domain instead of being repeated throughout
+         *     // the program.
+         *     return cb(null, JSON.parse(data));
+         *   }));
+         * }
+         *
+         * d.on('error', (er) => {
+         *   // An error occurred somewhere. If we throw it now, it will crash the program
+         *   // with the normal line number and stack message.
+         * });
+         * ```
+         * @param callback The callback function
+         * @return The intercepted function
+         */
+        intercept<T extends Function>(callback: T): T;
+    }
+    function create(): Domain;
+}
+declare module 'node:domain' {
+    export * from 'domain';
+}
diff --git a/node_modules/@types/node/events.d.ts b/node_modules/@types/node/events.d.ts
new file mode 100644
index 000000000..b8283ac95
--- /dev/null
+++ b/node_modules/@types/node/events.d.ts
@@ -0,0 +1,641 @@
+/**
+ * Much of the Node.js core API is built around an idiomatic asynchronous
+ * event-driven architecture in which certain kinds of objects (called "emitters")
+ * emit named events that cause `Function` objects ("listeners") to be called.
+ *
+ * For instance: a `net.Server` object emits an event each time a peer
+ * connects to it; a `fs.ReadStream` emits an event when the file is opened;
+ * a `stream` emits an event whenever data is available to be read.
+ *
+ * All objects that emit events are instances of the `EventEmitter` class. These
+ * objects expose an `eventEmitter.on()` function that allows one or more
+ * functions to be attached to named events emitted by the object. Typically,
+ * event names are camel-cased strings but any valid JavaScript property key
+ * can be used.
+ *
+ * When the `EventEmitter` object emits an event, all of the functions attached
+ * to that specific event are called _synchronously_. Any values returned by the
+ * called listeners are _ignored_ and discarded.
+ *
+ * The following example shows a simple `EventEmitter` instance with a single
+ * listener. The `eventEmitter.on()` method is used to register listeners, while
+ * the `eventEmitter.emit()` method is used to trigger the event.
+ *
+ * ```js
+ * const EventEmitter = require('events');
+ *
+ * class MyEmitter extends EventEmitter {}
+ *
+ * const myEmitter = new MyEmitter();
+ * myEmitter.on('event', () => {
+ *   console.log('an event occurred!');
+ * });
+ * myEmitter.emit('event');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/events.js)
+ */
+declare module 'events' {
+    interface EventEmitterOptions {
+        /**
+         * Enables automatic capturing of promise rejection.
+         */
+        captureRejections?: boolean | undefined;
+    }
+    interface NodeEventTarget {
+        once(eventName: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    interface DOMEventTarget {
+        addEventListener(
+            eventName: string,
+            listener: (...args: any[]) => void,
+            opts?: {
+                once: boolean;
+            }
+        ): any;
+    }
+    interface StaticEventEmitterOptions {
+        signal?: AbortSignal | undefined;
+    }
+    interface EventEmitter extends NodeJS.EventEmitter {}
+    /**
+     * The `EventEmitter` class is defined and exposed by the `events` module:
+     *
+     * ```js
+     * const EventEmitter = require('events');
+     * ```
+     *
+     * All `EventEmitter`s emit the event `'newListener'` when new listeners are
+     * added and `'removeListener'` when existing listeners are removed.
+     *
+     * It supports the following option:
+     * @since v0.1.26
+     */
+    class EventEmitter {
+        constructor(options?: EventEmitterOptions);
+        /**
+         * Creates a `Promise` that is fulfilled when the `EventEmitter` emits the given
+         * event or that is rejected if the `EventEmitter` emits `'error'` while waiting.
+         * The `Promise` will resolve with an array of all the arguments emitted to the
+         * given event.
+         *
+         * This method is intentionally generic and works with the web platform [EventTarget](https://dom.spec.whatwg.org/#interface-eventtarget) interface, which has no special`'error'` event
+         * semantics and does not listen to the `'error'` event.
+         *
+         * ```js
+         * const { once, EventEmitter } = require('events');
+         *
+         * async function run() {
+         *   const ee = new EventEmitter();
+         *
+         *   process.nextTick(() => {
+         *     ee.emit('myevent', 42);
+         *   });
+         *
+         *   const [value] = await once(ee, 'myevent');
+         *   console.log(value);
+         *
+         *   const err = new Error('kaboom');
+         *   process.nextTick(() => {
+         *     ee.emit('error', err);
+         *   });
+         *
+         *   try {
+         *     await once(ee, 'myevent');
+         *   } catch (err) {
+         *     console.log('error happened', err);
+         *   }
+         * }
+         *
+         * run();
+         * ```
+         *
+         * The special handling of the `'error'` event is only used when `events.once()`is used to wait for another event. If `events.once()` is used to wait for the
+         * '`error'` event itself, then it is treated as any other kind of event without
+         * special handling:
+         *
+         * ```js
+         * const { EventEmitter, once } = require('events');
+         *
+         * const ee = new EventEmitter();
+         *
+         * once(ee, 'error')
+         *   .then(([err]) => console.log('ok', err.message))
+         *   .catch((err) => console.log('error', err.message));
+         *
+         * ee.emit('error', new Error('boom'));
+         *
+         * // Prints: ok boom
+         * ```
+         *
+         * An `AbortSignal` can be used to cancel waiting for the event:
+         *
+         * ```js
+         * const { EventEmitter, once } = require('events');
+         *
+         * const ee = new EventEmitter();
+         * const ac = new AbortController();
+         *
+         * async function foo(emitter, event, signal) {
+         *   try {
+         *     await once(emitter, event, { signal });
+         *     console.log('event emitted!');
+         *   } catch (error) {
+         *     if (error.name === 'AbortError') {
+         *       console.error('Waiting for the event was canceled!');
+         *     } else {
+         *       console.error('There was an error', error.message);
+         *     }
+         *   }
+         * }
+         *
+         * foo(ee, 'foo', ac.signal);
+         * ac.abort(); // Abort waiting for the event
+         * ee.emit('foo'); // Prints: Waiting for the event was canceled!
+         * ```
+         * @since v11.13.0, v10.16.0
+         */
+        static once(emitter: NodeEventTarget, eventName: string | symbol, options?: StaticEventEmitterOptions): Promise<any[]>;
+        static once(emitter: DOMEventTarget, eventName: string, options?: StaticEventEmitterOptions): Promise<any[]>;
+        /**
+         * ```js
+         * const { on, EventEmitter } = require('events');
+         *
+         * (async () => {
+         *   const ee = new EventEmitter();
+         *
+         *   // Emit later on
+         *   process.nextTick(() => {
+         *     ee.emit('foo', 'bar');
+         *     ee.emit('foo', 42);
+         *   });
+         *
+         *   for await (const event of on(ee, 'foo')) {
+         *     // The execution of this inner block is synchronous and it
+         *     // processes one event at a time (even with await). Do not use
+         *     // if concurrent execution is required.
+         *     console.log(event); // prints ['bar'] [42]
+         *   }
+         *   // Unreachable here
+         * })();
+         * ```
+         *
+         * Returns an `AsyncIterator` that iterates `eventName` events. It will throw
+         * if the `EventEmitter` emits `'error'`. It removes all listeners when
+         * exiting the loop. The `value` returned by each iteration is an array
+         * composed of the emitted event arguments.
+         *
+         * An `AbortSignal` can be used to cancel waiting on events:
+         *
+         * ```js
+         * const { on, EventEmitter } = require('events');
+         * const ac = new AbortController();
+         *
+         * (async () => {
+         *   const ee = new EventEmitter();
+         *
+         *   // Emit later on
+         *   process.nextTick(() => {
+         *     ee.emit('foo', 'bar');
+         *     ee.emit('foo', 42);
+         *   });
+         *
+         *   for await (const event of on(ee, 'foo', { signal: ac.signal })) {
+         *     // The execution of this inner block is synchronous and it
+         *     // processes one event at a time (even with await). Do not use
+         *     // if concurrent execution is required.
+         *     console.log(event); // prints ['bar'] [42]
+         *   }
+         *   // Unreachable here
+         * })();
+         *
+         * process.nextTick(() => ac.abort());
+         * ```
+         * @since v13.6.0, v12.16.0
+         * @param eventName The name of the event being listened for
+         * @return that iterates `eventName` events emitted by the `emitter`
+         */
+        static on(emitter: NodeJS.EventEmitter, eventName: string, options?: StaticEventEmitterOptions): AsyncIterableIterator<any>;
+        /**
+         * A class method that returns the number of listeners for the given `eventName`registered on the given `emitter`.
+         *
+         * ```js
+         * const { EventEmitter, listenerCount } = require('events');
+         * const myEmitter = new EventEmitter();
+         * myEmitter.on('event', () => {});
+         * myEmitter.on('event', () => {});
+         * console.log(listenerCount(myEmitter, 'event'));
+         * // Prints: 2
+         * ```
+         * @since v0.9.12
+         * @deprecated Since v3.2.0 - Use `listenerCount` instead.
+         * @param emitter The emitter to query
+         * @param eventName The event name
+         */
+        static listenerCount(emitter: NodeJS.EventEmitter, eventName: string | symbol): number;
+        /**
+         * Returns a copy of the array of listeners for the event named `eventName`.
+         *
+         * For `EventEmitter`s this behaves exactly the same as calling `.listeners` on
+         * the emitter.
+         *
+         * For `EventTarget`s this is the only way to get the event listeners for the
+         * event target. This is useful for debugging and diagnostic purposes.
+         *
+         * ```js
+         * const { getEventListeners, EventEmitter } = require('events');
+         *
+         * {
+         *   const ee = new EventEmitter();
+         *   const listener = () => console.log('Events are fun');
+         *   ee.on('foo', listener);
+         *   getEventListeners(ee, 'foo'); // [listener]
+         * }
+         * {
+         *   const et = new EventTarget();
+         *   const listener = () => console.log('Events are fun');
+         *   et.addEventListener('foo', listener);
+         *   getEventListeners(et, 'foo'); // [listener]
+         * }
+         * ```
+         * @since v15.2.0, v14.17.0
+         */
+        static getEventListeners(emitter: DOMEventTarget | NodeJS.EventEmitter, name: string | symbol): Function[];
+        /**
+         * ```js
+         * const {
+         *   setMaxListeners,
+         *   EventEmitter
+         * } = require('events');
+         *
+         * const target = new EventTarget();
+         * const emitter = new EventEmitter();
+         *
+         * setMaxListeners(5, target, emitter);
+         * ```
+         * @since v15.4.0
+         * @param n A non-negative number. The maximum number of listeners per `EventTarget` event.
+         * @param eventsTargets Zero or more {EventTarget} or {EventEmitter} instances. If none are specified, `n` is set as the default max for all newly created {EventTarget} and {EventEmitter}
+         * objects.
+         */
+        static setMaxListeners(n?: number, ...eventTargets: Array<DOMEventTarget | NodeJS.EventEmitter>): void;
+        /**
+         * This symbol shall be used to install a listener for only monitoring `'error'`
+         * events. Listeners installed using this symbol are called before the regular
+         * `'error'` listeners are called.
+         *
+         * Installing a listener using this symbol does not change the behavior once an
+         * `'error'` event is emitted, therefore the process will still crash if no
+         * regular `'error'` listener is installed.
+         */
+        static readonly errorMonitor: unique symbol;
+        static readonly captureRejectionSymbol: unique symbol;
+        /**
+         * Sets or gets the default captureRejection value for all emitters.
+         */
+        // TODO: These should be described using static getter/setter pairs:
+        static captureRejections: boolean;
+        static defaultMaxListeners: number;
+    }
+    import internal = require('node:events');
+    namespace EventEmitter {
+        // Should just be `export { EventEmitter }`, but that doesn't work in TypeScript 3.4
+        export { internal as EventEmitter };
+        export interface Abortable {
+            /**
+             * When provided the corresponding `AbortController` can be used to cancel an asynchronous action.
+             */
+            signal?: AbortSignal | undefined;
+        }
+    }
+    global {
+        namespace NodeJS {
+            interface EventEmitter {
+                /**
+                 * Alias for `emitter.on(eventName, listener)`.
+                 * @since v0.1.26
+                 */
+                addListener(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Adds the `listener` function to the end of the listeners array for the
+                 * event named `eventName`. No checks are made to see if the `listener` has
+                 * already been added. Multiple calls passing the same combination of `eventName`and `listener` will result in the `listener` being added, and called, multiple
+                 * times.
+                 *
+                 * ```js
+                 * server.on('connection', (stream) => {
+                 *   console.log('someone connected!');
+                 * });
+                 * ```
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 *
+                 * By default, event listeners are invoked in the order they are added. The`emitter.prependListener()` method can be used as an alternative to add the
+                 * event listener to the beginning of the listeners array.
+                 *
+                 * ```js
+                 * const myEE = new EventEmitter();
+                 * myEE.on('foo', () => console.log('a'));
+                 * myEE.prependListener('foo', () => console.log('b'));
+                 * myEE.emit('foo');
+                 * // Prints:
+                 * //   b
+                 * //   a
+                 * ```
+                 * @since v0.1.101
+                 * @param eventName The name of the event.
+                 * @param listener The callback function
+                 */
+                on(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Adds a **one-time**`listener` function for the event named `eventName`. The
+                 * next time `eventName` is triggered, this listener is removed and then invoked.
+                 *
+                 * ```js
+                 * server.once('connection', (stream) => {
+                 *   console.log('Ah, we have our first user!');
+                 * });
+                 * ```
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 *
+                 * By default, event listeners are invoked in the order they are added. The`emitter.prependOnceListener()` method can be used as an alternative to add the
+                 * event listener to the beginning of the listeners array.
+                 *
+                 * ```js
+                 * const myEE = new EventEmitter();
+                 * myEE.once('foo', () => console.log('a'));
+                 * myEE.prependOnceListener('foo', () => console.log('b'));
+                 * myEE.emit('foo');
+                 * // Prints:
+                 * //   b
+                 * //   a
+                 * ```
+                 * @since v0.3.0
+                 * @param eventName The name of the event.
+                 * @param listener The callback function
+                 */
+                once(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Removes the specified `listener` from the listener array for the event named`eventName`.
+                 *
+                 * ```js
+                 * const callback = (stream) => {
+                 *   console.log('someone connected!');
+                 * };
+                 * server.on('connection', callback);
+                 * // ...
+                 * server.removeListener('connection', callback);
+                 * ```
+                 *
+                 * `removeListener()` will remove, at most, one instance of a listener from the
+                 * listener array. If any single listener has been added multiple times to the
+                 * listener array for the specified `eventName`, then `removeListener()` must be
+                 * called multiple times to remove each instance.
+                 *
+                 * Once an event is emitted, all listeners attached to it at the
+                 * time of emitting are called in order. This implies that any`removeListener()` or `removeAllListeners()` calls _after_ emitting and _before_ the last listener finishes execution
+                 * will not remove them from`emit()` in progress. Subsequent events behave as expected.
+                 *
+                 * ```js
+                 * const myEmitter = new MyEmitter();
+                 *
+                 * const callbackA = () => {
+                 *   console.log('A');
+                 *   myEmitter.removeListener('event', callbackB);
+                 * };
+                 *
+                 * const callbackB = () => {
+                 *   console.log('B');
+                 * };
+                 *
+                 * myEmitter.on('event', callbackA);
+                 *
+                 * myEmitter.on('event', callbackB);
+                 *
+                 * // callbackA removes listener callbackB but it will still be called.
+                 * // Internal listener array at time of emit [callbackA, callbackB]
+                 * myEmitter.emit('event');
+                 * // Prints:
+                 * //   A
+                 * //   B
+                 *
+                 * // callbackB is now removed.
+                 * // Internal listener array [callbackA]
+                 * myEmitter.emit('event');
+                 * // Prints:
+                 * //   A
+                 * ```
+                 *
+                 * Because listeners are managed using an internal array, calling this will
+                 * change the position indices of any listener registered _after_ the listener
+                 * being removed. This will not impact the order in which listeners are called,
+                 * but it means that any copies of the listener array as returned by
+                 * the `emitter.listeners()` method will need to be recreated.
+                 *
+                 * When a single function has been added as a handler multiple times for a single
+                 * event (as in the example below), `removeListener()` will remove the most
+                 * recently added instance. In the example the `once('ping')`listener is removed:
+                 *
+                 * ```js
+                 * const ee = new EventEmitter();
+                 *
+                 * function pong() {
+                 *   console.log('pong');
+                 * }
+                 *
+                 * ee.on('ping', pong);
+                 * ee.once('ping', pong);
+                 * ee.removeListener('ping', pong);
+                 *
+                 * ee.emit('ping');
+                 * ee.emit('ping');
+                 * ```
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 * @since v0.1.26
+                 */
+                removeListener(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Alias for `emitter.removeListener()`.
+                 * @since v10.0.0
+                 */
+                off(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Removes all listeners, or those of the specified `eventName`.
+                 *
+                 * It is bad practice to remove listeners added elsewhere in the code,
+                 * particularly when the `EventEmitter` instance was created by some other
+                 * component or module (e.g. sockets or file streams).
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 * @since v0.1.26
+                 */
+                removeAllListeners(event?: string | symbol): this;
+                /**
+                 * By default `EventEmitter`s will print a warning if more than `10` listeners are
+                 * added for a particular event. This is a useful default that helps finding
+                 * memory leaks. The `emitter.setMaxListeners()` method allows the limit to be
+                 * modified for this specific `EventEmitter` instance. The value can be set to`Infinity` (or `0`) to indicate an unlimited number of listeners.
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 * @since v0.3.5
+                 */
+                setMaxListeners(n: number): this;
+                /**
+                 * Returns the current max listener value for the `EventEmitter` which is either
+                 * set by `emitter.setMaxListeners(n)` or defaults to {@link defaultMaxListeners}.
+                 * @since v1.0.0
+                 */
+                getMaxListeners(): number;
+                /**
+                 * Returns a copy of the array of listeners for the event named `eventName`.
+                 *
+                 * ```js
+                 * server.on('connection', (stream) => {
+                 *   console.log('someone connected!');
+                 * });
+                 * console.log(util.inspect(server.listeners('connection')));
+                 * // Prints: [ [Function] ]
+                 * ```
+                 * @since v0.1.26
+                 */
+                listeners(eventName: string | symbol): Function[];
+                /**
+                 * Returns a copy of the array of listeners for the event named `eventName`,
+                 * including any wrappers (such as those created by `.once()`).
+                 *
+                 * ```js
+                 * const emitter = new EventEmitter();
+                 * emitter.once('log', () => console.log('log once'));
+                 *
+                 * // Returns a new Array with a function `onceWrapper` which has a property
+                 * // `listener` which contains the original listener bound above
+                 * const listeners = emitter.rawListeners('log');
+                 * const logFnWrapper = listeners[0];
+                 *
+                 * // Logs "log once" to the console and does not unbind the `once` event
+                 * logFnWrapper.listener();
+                 *
+                 * // Logs "log once" to the console and removes the listener
+                 * logFnWrapper();
+                 *
+                 * emitter.on('log', () => console.log('log persistently'));
+                 * // Will return a new Array with a single function bound by `.on()` above
+                 * const newListeners = emitter.rawListeners('log');
+                 *
+                 * // Logs "log persistently" twice
+                 * newListeners[0]();
+                 * emitter.emit('log');
+                 * ```
+                 * @since v9.4.0
+                 */
+                rawListeners(eventName: string | symbol): Function[];
+                /**
+                 * Synchronously calls each of the listeners registered for the event named`eventName`, in the order they were registered, passing the supplied arguments
+                 * to each.
+                 *
+                 * Returns `true` if the event had listeners, `false` otherwise.
+                 *
+                 * ```js
+                 * const EventEmitter = require('events');
+                 * const myEmitter = new EventEmitter();
+                 *
+                 * // First listener
+                 * myEmitter.on('event', function firstListener() {
+                 *   console.log('Helloooo! first listener');
+                 * });
+                 * // Second listener
+                 * myEmitter.on('event', function secondListener(arg1, arg2) {
+                 *   console.log(`event with parameters ${arg1}, ${arg2} in second listener`);
+                 * });
+                 * // Third listener
+                 * myEmitter.on('event', function thirdListener(...args) {
+                 *   const parameters = args.join(', ');
+                 *   console.log(`event with parameters ${parameters} in third listener`);
+                 * });
+                 *
+                 * console.log(myEmitter.listeners('event'));
+                 *
+                 * myEmitter.emit('event', 1, 2, 3, 4, 5);
+                 *
+                 * // Prints:
+                 * // [
+                 * //   [Function: firstListener],
+                 * //   [Function: secondListener],
+                 * //   [Function: thirdListener]
+                 * // ]
+                 * // Helloooo! first listener
+                 * // event with parameters 1, 2 in second listener
+                 * // event with parameters 1, 2, 3, 4, 5 in third listener
+                 * ```
+                 * @since v0.1.26
+                 */
+                emit(eventName: string | symbol, ...args: any[]): boolean;
+                /**
+                 * Returns the number of listeners listening to the event named `eventName`.
+                 * @since v3.2.0
+                 * @param eventName The name of the event being listened for
+                 */
+                listenerCount(eventName: string | symbol): number;
+                /**
+                 * Adds the `listener` function to the _beginning_ of the listeners array for the
+                 * event named `eventName`. No checks are made to see if the `listener` has
+                 * already been added. Multiple calls passing the same combination of `eventName`and `listener` will result in the `listener` being added, and called, multiple
+                 * times.
+                 *
+                 * ```js
+                 * server.prependListener('connection', (stream) => {
+                 *   console.log('someone connected!');
+                 * });
+                 * ```
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 * @since v6.0.0
+                 * @param eventName The name of the event.
+                 * @param listener The callback function
+                 */
+                prependListener(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Adds a **one-time**`listener` function for the event named `eventName` to the _beginning_ of the listeners array. The next time `eventName` is triggered, this
+                 * listener is removed, and then invoked.
+                 *
+                 * ```js
+                 * server.prependOnceListener('connection', (stream) => {
+                 *   console.log('Ah, we have our first user!');
+                 * });
+                 * ```
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 * @since v6.0.0
+                 * @param eventName The name of the event.
+                 * @param listener The callback function
+                 */
+                prependOnceListener(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Returns an array listing the events for which the emitter has registered
+                 * listeners. The values in the array are strings or `Symbol`s.
+                 *
+                 * ```js
+                 * const EventEmitter = require('events');
+                 * const myEE = new EventEmitter();
+                 * myEE.on('foo', () => {});
+                 * myEE.on('bar', () => {});
+                 *
+                 * const sym = Symbol('symbol');
+                 * myEE.on(sym, () => {});
+                 *
+                 * console.log(myEE.eventNames());
+                 * // Prints: [ 'foo', 'bar', Symbol(symbol) ]
+                 * ```
+                 * @since v6.0.0
+                 */
+                eventNames(): Array<string | symbol>;
+            }
+        }
+    }
+    export = EventEmitter;
+}
+declare module 'node:events' {
+    import events = require('events');
+    export = events;
+}
diff --git a/node_modules/@types/node/fs.d.ts b/node_modules/@types/node/fs.d.ts
new file mode 100644
index 000000000..75c53fb0d
--- /dev/null
+++ b/node_modules/@types/node/fs.d.ts
@@ -0,0 +1,3872 @@
+/**
+ * The `fs` module enables interacting with the file system in a
+ * way modeled on standard POSIX functions.
+ *
+ * To use the promise-based APIs:
+ *
+ * ```js
+ * import * as fs from 'fs/promises';
+ * ```
+ *
+ * To use the callback and sync APIs:
+ *
+ * ```js
+ * import * as fs from 'fs';
+ * ```
+ *
+ * All file system operations have synchronous, callback, and promise-based
+ * forms, and are accessible using both CommonJS syntax and ES6 Modules (ESM).
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/fs.js)
+ */
+declare module 'fs' {
+    import * as stream from 'node:stream';
+    import { Abortable, EventEmitter } from 'node:events';
+    import { URL } from 'node:url';
+    import * as promises from 'node:fs/promises';
+    export { promises };
+    /**
+     * Valid types for path values in "fs".
+     */
+    export type PathLike = string | Buffer | URL;
+    export type PathOrFileDescriptor = PathLike | number;
+    export type TimeLike = string | number | Date;
+    export type NoParamCallback = (err: NodeJS.ErrnoException | null) => void;
+    export type BufferEncodingOption =
+        | 'buffer'
+        | {
+              encoding: 'buffer';
+          };
+    export interface ObjectEncodingOptions {
+        encoding?: BufferEncoding | null | undefined;
+    }
+    export type EncodingOption = ObjectEncodingOptions | BufferEncoding | undefined | null;
+    export type OpenMode = number | string;
+    export type Mode = number | string;
+    export interface StatsBase<T> {
+        isFile(): boolean;
+        isDirectory(): boolean;
+        isBlockDevice(): boolean;
+        isCharacterDevice(): boolean;
+        isSymbolicLink(): boolean;
+        isFIFO(): boolean;
+        isSocket(): boolean;
+        dev: T;
+        ino: T;
+        mode: T;
+        nlink: T;
+        uid: T;
+        gid: T;
+        rdev: T;
+        size: T;
+        blksize: T;
+        blocks: T;
+        atimeMs: T;
+        mtimeMs: T;
+        ctimeMs: T;
+        birthtimeMs: T;
+        atime: Date;
+        mtime: Date;
+        ctime: Date;
+        birthtime: Date;
+    }
+    export interface Stats extends StatsBase<number> {}
+    /**
+     * A `fs.Stats` object provides information about a file.
+     *
+     * Objects returned from {@link stat}, {@link lstat} and {@link fstat} and
+     * their synchronous counterparts are of this type.
+     * If `bigint` in the `options` passed to those methods is true, the numeric values
+     * will be `bigint` instead of `number`, and the object will contain additional
+     * nanosecond-precision properties suffixed with `Ns`.
+     *
+     * ```console
+     * Stats {
+     *   dev: 2114,
+     *   ino: 48064969,
+     *   mode: 33188,
+     *   nlink: 1,
+     *   uid: 85,
+     *   gid: 100,
+     *   rdev: 0,
+     *   size: 527,
+     *   blksize: 4096,
+     *   blocks: 8,
+     *   atimeMs: 1318289051000.1,
+     *   mtimeMs: 1318289051000.1,
+     *   ctimeMs: 1318289051000.1,
+     *   birthtimeMs: 1318289051000.1,
+     *   atime: Mon, 10 Oct 2011 23:24:11 GMT,
+     *   mtime: Mon, 10 Oct 2011 23:24:11 GMT,
+     *   ctime: Mon, 10 Oct 2011 23:24:11 GMT,
+     *   birthtime: Mon, 10 Oct 2011 23:24:11 GMT }
+     * ```
+     *
+     * `bigint` version:
+     *
+     * ```console
+     * BigIntStats {
+     *   dev: 2114n,
+     *   ino: 48064969n,
+     *   mode: 33188n,
+     *   nlink: 1n,
+     *   uid: 85n,
+     *   gid: 100n,
+     *   rdev: 0n,
+     *   size: 527n,
+     *   blksize: 4096n,
+     *   blocks: 8n,
+     *   atimeMs: 1318289051000n,
+     *   mtimeMs: 1318289051000n,
+     *   ctimeMs: 1318289051000n,
+     *   birthtimeMs: 1318289051000n,
+     *   atimeNs: 1318289051000000000n,
+     *   mtimeNs: 1318289051000000000n,
+     *   ctimeNs: 1318289051000000000n,
+     *   birthtimeNs: 1318289051000000000n,
+     *   atime: Mon, 10 Oct 2011 23:24:11 GMT,
+     *   mtime: Mon, 10 Oct 2011 23:24:11 GMT,
+     *   ctime: Mon, 10 Oct 2011 23:24:11 GMT,
+     *   birthtime: Mon, 10 Oct 2011 23:24:11 GMT }
+     * ```
+     * @since v0.1.21
+     */
+    export class Stats {}
+    /**
+     * A representation of a directory entry, which can be a file or a subdirectory
+     * within the directory, as returned by reading from an `fs.Dir`. The
+     * directory entry is a combination of the file name and file type pairs.
+     *
+     * Additionally, when {@link readdir} or {@link readdirSync} is called with
+     * the `withFileTypes` option set to `true`, the resulting array is filled with `fs.Dirent` objects, rather than strings or `Buffer` s.
+     * @since v10.10.0
+     */
+    export class Dirent {
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a regular file.
+         * @since v10.10.0
+         */
+        isFile(): boolean;
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a file system
+         * directory.
+         * @since v10.10.0
+         */
+        isDirectory(): boolean;
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a block device.
+         * @since v10.10.0
+         */
+        isBlockDevice(): boolean;
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a character device.
+         * @since v10.10.0
+         */
+        isCharacterDevice(): boolean;
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a symbolic link.
+         * @since v10.10.0
+         */
+        isSymbolicLink(): boolean;
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a first-in-first-out
+         * (FIFO) pipe.
+         * @since v10.10.0
+         */
+        isFIFO(): boolean;
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a socket.
+         * @since v10.10.0
+         */
+        isSocket(): boolean;
+        /**
+         * The file name that this `fs.Dirent` object refers to. The type of this
+         * value is determined by the `options.encoding` passed to {@link readdir} or {@link readdirSync}.
+         * @since v10.10.0
+         */
+        name: string;
+    }
+    /**
+     * A class representing a directory stream.
+     *
+     * Created by {@link opendir}, {@link opendirSync}, or `fsPromises.opendir()`.
+     *
+     * ```js
+     * import { opendir } from 'fs/promises';
+     *
+     * try {
+     *   const dir = await opendir('./');
+     *   for await (const dirent of dir)
+     *     console.log(dirent.name);
+     * } catch (err) {
+     *   console.error(err);
+     * }
+     * ```
+     *
+     * When using the async iterator, the `fs.Dir` object will be automatically
+     * closed after the iterator exits.
+     * @since v12.12.0
+     */
+    export class Dir implements AsyncIterable<Dirent> {
+        /**
+         * The read-only path of this directory as was provided to {@link opendir},{@link opendirSync}, or `fsPromises.opendir()`.
+         * @since v12.12.0
+         */
+        readonly path: string;
+        /**
+         * Asynchronously iterates over the directory via `readdir(3)` until all entries have been read.
+         */
+        [Symbol.asyncIterator](): AsyncIterableIterator<Dirent>;
+        /**
+         * Asynchronously close the directory's underlying resource handle.
+         * Subsequent reads will result in errors.
+         *
+         * A promise is returned that will be resolved after the resource has been
+         * closed.
+         * @since v12.12.0
+         */
+        close(): Promise<void>;
+        close(cb: NoParamCallback): void;
+        /**
+         * Synchronously close the directory's underlying resource handle.
+         * Subsequent reads will result in errors.
+         * @since v12.12.0
+         */
+        closeSync(): void;
+        /**
+         * Asynchronously read the next directory entry via [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) as an `fs.Dirent`.
+         *
+         * A promise is returned that will be resolved with an `fs.Dirent`, or `null`if there are no more directory entries to read.
+         *
+         * Directory entries returned by this function are in no particular order as
+         * provided by the operating system's underlying directory mechanisms.
+         * Entries added or removed while iterating over the directory might not be
+         * included in the iteration results.
+         * @since v12.12.0
+         * @return containing {fs.Dirent|null}
+         */
+        read(): Promise<Dirent | null>;
+        read(cb: (err: NodeJS.ErrnoException | null, dirEnt: Dirent | null) => void): void;
+        /**
+         * Synchronously read the next directory entry as an `fs.Dirent`. See the
+         * POSIX [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) documentation for more detail.
+         *
+         * If there are no more directory entries to read, `null` will be returned.
+         *
+         * Directory entries returned by this function are in no particular order as
+         * provided by the operating system's underlying directory mechanisms.
+         * Entries added or removed while iterating over the directory might not be
+         * included in the iteration results.
+         * @since v12.12.0
+         */
+        readSync(): Dirent | null;
+    }
+    /**
+     * Class: fs.StatWatcher
+     * @since v14.3.0, v12.20.0
+     * Extends `EventEmitter`
+     * A successful call to {@link watchFile} method will return a new fs.StatWatcher object.
+     */
+    export interface StatWatcher extends EventEmitter {
+        /**
+         * When called, requests that the Node.js event loop _not_ exit so long as the `fs.StatWatcher` is active. Calling `watcher.ref()` multiple times will have
+         * no effect.
+         *
+         * By default, all `fs.StatWatcher` objects are "ref'ed", making it normally
+         * unnecessary to call `watcher.ref()` unless `watcher.unref()` had been
+         * called previously.
+         * @since v14.3.0, v12.20.0
+         */
+        ref(): this;
+        /**
+         * When called, the active `fs.StatWatcher` object will not require the Node.js
+         * event loop to remain active. If there is no other activity keeping the
+         * event loop running, the process may exit before the `fs.StatWatcher` object's
+         * callback is invoked. Calling `watcher.unref()` multiple times will have
+         * no effect.
+         * @since v14.3.0, v12.20.0
+         */
+        unref(): this;
+    }
+    export interface FSWatcher extends EventEmitter {
+        /**
+         * Stop watching for changes on the given `fs.FSWatcher`. Once stopped, the `fs.FSWatcher` object is no longer usable.
+         * @since v0.5.8
+         */
+        close(): void;
+        /**
+         * events.EventEmitter
+         *   1. change
+         *   2. error
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this;
+        addListener(event: 'error', listener: (error: Error) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this;
+        on(event: 'error', listener: (error: Error) => void): this;
+        on(event: 'close', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this;
+        once(event: 'error', listener: (error: Error) => void): this;
+        once(event: 'close', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this;
+        prependListener(event: 'error', listener: (error: Error) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this;
+        prependOnceListener(event: 'error', listener: (error: Error) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+    }
+    /**
+     * Instances of `fs.ReadStream` are created and returned using the {@link createReadStream} function.
+     * @since v0.1.93
+     */
+    export class ReadStream extends stream.Readable {
+        close(callback?: (err?: NodeJS.ErrnoException | null) => void): void;
+        /**
+         * The number of bytes that have been read so far.
+         * @since v6.4.0
+         */
+        bytesRead: number;
+        /**
+         * The path to the file the stream is reading from as specified in the first
+         * argument to `fs.createReadStream()`. If `path` is passed as a string, then`readStream.path` will be a string. If `path` is passed as a `Buffer`, then`readStream.path` will be a
+         * `Buffer`. If `fd` is specified, then`readStream.path` will be `undefined`.
+         * @since v0.1.93
+         */
+        path: string | Buffer;
+        /**
+         * This property is `true` if the underlying file has not been opened yet,
+         * i.e. before the `'ready'` event is emitted.
+         * @since v11.2.0, v10.16.0
+         */
+        pending: boolean;
+        /**
+         * events.EventEmitter
+         *   1. open
+         *   2. close
+         *   3. ready
+         */
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        addListener(event: 'end', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'open', listener: (fd: number) => void): this;
+        addListener(event: 'pause', listener: () => void): this;
+        addListener(event: 'readable', listener: () => void): this;
+        addListener(event: 'ready', listener: () => void): this;
+        addListener(event: 'resume', listener: () => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        on(event: 'end', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'open', listener: (fd: number) => void): this;
+        on(event: 'pause', listener: () => void): this;
+        on(event: 'readable', listener: () => void): this;
+        on(event: 'ready', listener: () => void): this;
+        on(event: 'resume', listener: () => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        once(event: 'end', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'open', listener: (fd: number) => void): this;
+        once(event: 'pause', listener: () => void): this;
+        once(event: 'readable', listener: () => void): this;
+        once(event: 'ready', listener: () => void): this;
+        once(event: 'resume', listener: () => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        prependListener(event: 'end', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'open', listener: (fd: number) => void): this;
+        prependListener(event: 'pause', listener: () => void): this;
+        prependListener(event: 'readable', listener: () => void): this;
+        prependListener(event: 'ready', listener: () => void): this;
+        prependListener(event: 'resume', listener: () => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        prependOnceListener(event: 'end', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'open', listener: (fd: number) => void): this;
+        prependOnceListener(event: 'pause', listener: () => void): this;
+        prependOnceListener(event: 'readable', listener: () => void): this;
+        prependOnceListener(event: 'ready', listener: () => void): this;
+        prependOnceListener(event: 'resume', listener: () => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    /**
+     * * Extends `stream.Writable`
+     *
+     * Instances of `fs.WriteStream` are created and returned using the {@link createWriteStream} function.
+     * @since v0.1.93
+     */
+    export class WriteStream extends stream.Writable {
+        /**
+         * Closes `writeStream`. Optionally accepts a
+         * callback that will be executed once the `writeStream`is closed.
+         * @since v0.9.4
+         */
+        close(callback?: (err?: NodeJS.ErrnoException | null) => void): void;
+        /**
+         * The number of bytes written so far. Does not include data that is still queued
+         * for writing.
+         * @since v0.4.7
+         */
+        bytesWritten: number;
+        /**
+         * The path to the file the stream is writing to as specified in the first
+         * argument to {@link createWriteStream}. If `path` is passed as a string, then`writeStream.path` will be a string. If `path` is passed as a `Buffer`, then`writeStream.path` will be a
+         * `Buffer`.
+         * @since v0.1.93
+         */
+        path: string | Buffer;
+        /**
+         * This property is `true` if the underlying file has not been opened yet,
+         * i.e. before the `'ready'` event is emitted.
+         * @since v11.2.0
+         */
+        pending: boolean;
+        /**
+         * events.EventEmitter
+         *   1. open
+         *   2. close
+         *   3. ready
+         */
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'drain', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'finish', listener: () => void): this;
+        addListener(event: 'open', listener: (fd: number) => void): this;
+        addListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: 'ready', listener: () => void): this;
+        addListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'drain', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'finish', listener: () => void): this;
+        on(event: 'open', listener: (fd: number) => void): this;
+        on(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        on(event: 'ready', listener: () => void): this;
+        on(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'drain', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'finish', listener: () => void): this;
+        once(event: 'open', listener: (fd: number) => void): this;
+        once(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        once(event: 'ready', listener: () => void): this;
+        once(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'drain', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'finish', listener: () => void): this;
+        prependListener(event: 'open', listener: (fd: number) => void): this;
+        prependListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: 'ready', listener: () => void): this;
+        prependListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'drain', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'finish', listener: () => void): this;
+        prependOnceListener(event: 'open', listener: (fd: number) => void): this;
+        prependOnceListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: 'ready', listener: () => void): this;
+        prependOnceListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    /**
+     * Asynchronously rename file at `oldPath` to the pathname provided
+     * as `newPath`. In the case that `newPath` already exists, it will
+     * be overwritten. If there is a directory at `newPath`, an error will
+     * be raised instead. No arguments other than a possible exception are
+     * given to the completion callback.
+     *
+     * See also: [`rename(2)`](http://man7.org/linux/man-pages/man2/rename.2.html).
+     *
+     * ```js
+     * import { rename } from 'fs';
+     *
+     * rename('oldFile.txt', 'newFile.txt', (err) => {
+     *   if (err) throw err;
+     *   console.log('Rename complete!');
+     * });
+     * ```
+     * @since v0.0.2
+     */
+    export function rename(oldPath: PathLike, newPath: PathLike, callback: NoParamCallback): void;
+    export namespace rename {
+        /**
+         * Asynchronous rename(2) - Change the name or location of a file or directory.
+         * @param oldPath A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         * @param newPath A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         */
+        function __promisify__(oldPath: PathLike, newPath: PathLike): Promise<void>;
+    }
+    /**
+     * Renames the file from `oldPath` to `newPath`. Returns `undefined`.
+     *
+     * See the POSIX [`rename(2)`](http://man7.org/linux/man-pages/man2/rename.2.html) documentation for more details.
+     * @since v0.1.21
+     */
+    export function renameSync(oldPath: PathLike, newPath: PathLike): void;
+    /**
+     * Truncates the file. No arguments other than a possible exception are
+     * given to the completion callback. A file descriptor can also be passed as the
+     * first argument. In this case, `fs.ftruncate()` is called.
+     *
+     * ```js
+     * import { truncate } from 'fs';
+     * // Assuming that 'path/file.txt' is a regular file.
+     * truncate('path/file.txt', (err) => {
+     *   if (err) throw err;
+     *   console.log('path/file.txt was truncated');
+     * });
+     * ```
+     *
+     * Passing a file descriptor is deprecated and may result in an error being thrown
+     * in the future.
+     *
+     * See the POSIX [`truncate(2)`](http://man7.org/linux/man-pages/man2/truncate.2.html) documentation for more details.
+     * @since v0.8.6
+     * @param [len=0]
+     */
+    export function truncate(path: PathLike, len: number | undefined | null, callback: NoParamCallback): void;
+    /**
+     * Asynchronous truncate(2) - Truncate a file to a specified length.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function truncate(path: PathLike, callback: NoParamCallback): void;
+    export namespace truncate {
+        /**
+         * Asynchronous truncate(2) - Truncate a file to a specified length.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param len If not specified, defaults to `0`.
+         */
+        function __promisify__(path: PathLike, len?: number | null): Promise<void>;
+    }
+    /**
+     * Truncates the file. Returns `undefined`. A file descriptor can also be
+     * passed as the first argument. In this case, `fs.ftruncateSync()` is called.
+     *
+     * Passing a file descriptor is deprecated and may result in an error being thrown
+     * in the future.
+     * @since v0.8.6
+     * @param [len=0]
+     */
+    export function truncateSync(path: PathLike, len?: number | null): void;
+    /**
+     * Truncates the file descriptor. No arguments other than a possible exception are
+     * given to the completion callback.
+     *
+     * See the POSIX [`ftruncate(2)`](http://man7.org/linux/man-pages/man2/ftruncate.2.html) documentation for more detail.
+     *
+     * If the file referred to by the file descriptor was larger than `len` bytes, only
+     * the first `len` bytes will be retained in the file.
+     *
+     * For example, the following program retains only the first four bytes of the
+     * file:
+     *
+     * ```js
+     * import { open, close, ftruncate } from 'fs';
+     *
+     * function closeFd(fd) {
+     *   close(fd, (err) => {
+     *     if (err) throw err;
+     *   });
+     * }
+     *
+     * open('temp.txt', 'r+', (err, fd) => {
+     *   if (err) throw err;
+     *
+     *   try {
+     *     ftruncate(fd, 4, (err) => {
+     *       closeFd(fd);
+     *       if (err) throw err;
+     *     });
+     *   } catch (err) {
+     *     closeFd(fd);
+     *     if (err) throw err;
+     *   }
+     * });
+     * ```
+     *
+     * If the file previously was shorter than `len` bytes, it is extended, and the
+     * extended part is filled with null bytes (`'\0'`):
+     *
+     * If `len` is negative then `0` will be used.
+     * @since v0.8.6
+     * @param [len=0]
+     */
+    export function ftruncate(fd: number, len: number | undefined | null, callback: NoParamCallback): void;
+    /**
+     * Asynchronous ftruncate(2) - Truncate a file to a specified length.
+     * @param fd A file descriptor.
+     */
+    export function ftruncate(fd: number, callback: NoParamCallback): void;
+    export namespace ftruncate {
+        /**
+         * Asynchronous ftruncate(2) - Truncate a file to a specified length.
+         * @param fd A file descriptor.
+         * @param len If not specified, defaults to `0`.
+         */
+        function __promisify__(fd: number, len?: number | null): Promise<void>;
+    }
+    /**
+     * Truncates the file descriptor. Returns `undefined`.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link ftruncate}.
+     * @since v0.8.6
+     * @param [len=0]
+     */
+    export function ftruncateSync(fd: number, len?: number | null): void;
+    /**
+     * Asynchronously changes owner and group of a file. No arguments other than a
+     * possible exception are given to the completion callback.
+     *
+     * See the POSIX [`chown(2)`](http://man7.org/linux/man-pages/man2/chown.2.html) documentation for more detail.
+     * @since v0.1.97
+     */
+    export function chown(path: PathLike, uid: number, gid: number, callback: NoParamCallback): void;
+    export namespace chown {
+        /**
+         * Asynchronous chown(2) - Change ownership of a file.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(path: PathLike, uid: number, gid: number): Promise<void>;
+    }
+    /**
+     * Synchronously changes owner and group of a file. Returns `undefined`.
+     * This is the synchronous version of {@link chown}.
+     *
+     * See the POSIX [`chown(2)`](http://man7.org/linux/man-pages/man2/chown.2.html) documentation for more detail.
+     * @since v0.1.97
+     */
+    export function chownSync(path: PathLike, uid: number, gid: number): void;
+    /**
+     * Sets the owner of the file. No arguments other than a possible exception are
+     * given to the completion callback.
+     *
+     * See the POSIX [`fchown(2)`](http://man7.org/linux/man-pages/man2/fchown.2.html) documentation for more detail.
+     * @since v0.4.7
+     */
+    export function fchown(fd: number, uid: number, gid: number, callback: NoParamCallback): void;
+    export namespace fchown {
+        /**
+         * Asynchronous fchown(2) - Change ownership of a file.
+         * @param fd A file descriptor.
+         */
+        function __promisify__(fd: number, uid: number, gid: number): Promise<void>;
+    }
+    /**
+     * Sets the owner of the file. Returns `undefined`.
+     *
+     * See the POSIX [`fchown(2)`](http://man7.org/linux/man-pages/man2/fchown.2.html) documentation for more detail.
+     * @since v0.4.7
+     * @param uid The file's new owner's user id.
+     * @param gid The file's new group's group id.
+     */
+    export function fchownSync(fd: number, uid: number, gid: number): void;
+    /**
+     * Set the owner of the symbolic link. No arguments other than a possible
+     * exception are given to the completion callback.
+     *
+     * See the POSIX [`lchown(2)`](http://man7.org/linux/man-pages/man2/lchown.2.html) documentation for more detail.
+     */
+    export function lchown(path: PathLike, uid: number, gid: number, callback: NoParamCallback): void;
+    export namespace lchown {
+        /**
+         * Asynchronous lchown(2) - Change ownership of a file. Does not dereference symbolic links.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(path: PathLike, uid: number, gid: number): Promise<void>;
+    }
+    /**
+     * Set the owner for the path. Returns `undefined`.
+     *
+     * See the POSIX [`lchown(2)`](http://man7.org/linux/man-pages/man2/lchown.2.html) documentation for more details.
+     * @param uid The file's new owner's user id.
+     * @param gid The file's new group's group id.
+     */
+    export function lchownSync(path: PathLike, uid: number, gid: number): void;
+    /**
+     * Changes the access and modification times of a file in the same way as {@link utimes}, with the difference that if the path refers to a symbolic
+     * link, then the link is not dereferenced: instead, the timestamps of the
+     * symbolic link itself are changed.
+     *
+     * No arguments other than a possible exception are given to the completion
+     * callback.
+     * @since v14.5.0, v12.19.0
+     */
+    export function lutimes(path: PathLike, atime: TimeLike, mtime: TimeLike, callback: NoParamCallback): void;
+    export namespace lutimes {
+        /**
+         * Changes the access and modification times of a file in the same way as `fsPromises.utimes()`,
+         * with the difference that if the path refers to a symbolic link, then the link is not
+         * dereferenced: instead, the timestamps of the symbolic link itself are changed.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param atime The last access time. If a string is provided, it will be coerced to number.
+         * @param mtime The last modified time. If a string is provided, it will be coerced to number.
+         */
+        function __promisify__(path: PathLike, atime: TimeLike, mtime: TimeLike): Promise<void>;
+    }
+    /**
+     * Change the file system timestamps of the symbolic link referenced by `path`.
+     * Returns `undefined`, or throws an exception when parameters are incorrect or
+     * the operation fails. This is the synchronous version of {@link lutimes}.
+     * @since v14.5.0, v12.19.0
+     */
+    export function lutimesSync(path: PathLike, atime: TimeLike, mtime: TimeLike): void;
+    /**
+     * Asynchronously changes the permissions of a file. No arguments other than a
+     * possible exception are given to the completion callback.
+     *
+     * See the POSIX [`chmod(2)`](http://man7.org/linux/man-pages/man2/chmod.2.html) documentation for more detail.
+     *
+     * ```js
+     * import { chmod } from 'fs';
+     *
+     * chmod('my_file.txt', 0o775, (err) => {
+     *   if (err) throw err;
+     *   console.log('The permissions for file "my_file.txt" have been changed!');
+     * });
+     * ```
+     * @since v0.1.30
+     */
+    export function chmod(path: PathLike, mode: Mode, callback: NoParamCallback): void;
+    export namespace chmod {
+        /**
+         * Asynchronous chmod(2) - Change permissions of a file.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param mode A file mode. If a string is passed, it is parsed as an octal integer.
+         */
+        function __promisify__(path: PathLike, mode: Mode): Promise<void>;
+    }
+    /**
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link chmod}.
+     *
+     * See the POSIX [`chmod(2)`](http://man7.org/linux/man-pages/man2/chmod.2.html) documentation for more detail.
+     * @since v0.6.7
+     */
+    export function chmodSync(path: PathLike, mode: Mode): void;
+    /**
+     * Sets the permissions on the file. No arguments other than a possible exception
+     * are given to the completion callback.
+     *
+     * See the POSIX [`fchmod(2)`](http://man7.org/linux/man-pages/man2/fchmod.2.html) documentation for more detail.
+     * @since v0.4.7
+     */
+    export function fchmod(fd: number, mode: Mode, callback: NoParamCallback): void;
+    export namespace fchmod {
+        /**
+         * Asynchronous fchmod(2) - Change permissions of a file.
+         * @param fd A file descriptor.
+         * @param mode A file mode. If a string is passed, it is parsed as an octal integer.
+         */
+        function __promisify__(fd: number, mode: Mode): Promise<void>;
+    }
+    /**
+     * Sets the permissions on the file. Returns `undefined`.
+     *
+     * See the POSIX [`fchmod(2)`](http://man7.org/linux/man-pages/man2/fchmod.2.html) documentation for more detail.
+     * @since v0.4.7
+     */
+    export function fchmodSync(fd: number, mode: Mode): void;
+    /**
+     * Changes the permissions on a symbolic link. No arguments other than a possible
+     * exception are given to the completion callback.
+     *
+     * This method is only implemented on macOS.
+     *
+     * See the POSIX [`lchmod(2)`](https://www.freebsd.org/cgi/man.cgi?query=lchmod&sektion=2) documentation for more detail.
+     * @deprecated Since v0.4.7
+     */
+    export function lchmod(path: PathLike, mode: Mode, callback: NoParamCallback): void;
+    /** @deprecated */
+    export namespace lchmod {
+        /**
+         * Asynchronous lchmod(2) - Change permissions of a file. Does not dereference symbolic links.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param mode A file mode. If a string is passed, it is parsed as an octal integer.
+         */
+        function __promisify__(path: PathLike, mode: Mode): Promise<void>;
+    }
+    /**
+     * Changes the permissions on a symbolic link. Returns `undefined`.
+     *
+     * This method is only implemented on macOS.
+     *
+     * See the POSIX [`lchmod(2)`](https://www.freebsd.org/cgi/man.cgi?query=lchmod&sektion=2) documentation for more detail.
+     * @deprecated Since v0.4.7
+     */
+    export function lchmodSync(path: PathLike, mode: Mode): void;
+    /**
+     * Asynchronous [`stat(2)`](http://man7.org/linux/man-pages/man2/stat.2.html). The callback gets two arguments `(err, stats)` where`stats` is an `fs.Stats` object.
+     *
+     * In case of an error, the `err.code` will be one of `Common System Errors`.
+     *
+     * Using `fs.stat()` to check for the existence of a file before calling`fs.open()`, `fs.readFile()` or `fs.writeFile()` is not recommended.
+     * Instead, user code should open/read/write the file directly and handle the
+     * error raised if the file is not available.
+     *
+     * To check if a file exists without manipulating it afterwards, {@link access} is recommended.
+     *
+     * For example, given the following directory structure:
+     *
+     * ```text
+     * - txtDir
+     * -- file.txt
+     * - app.js
+     * ```
+     *
+     * The next program will check for the stats of the given paths:
+     *
+     * ```js
+     * import { stat } from 'fs';
+     *
+     * const pathsToCheck = ['./txtDir', './txtDir/file.txt'];
+     *
+     * for (let i = 0; i < pathsToCheck.length; i++) {
+     *   stat(pathsToCheck[i], (err, stats) => {
+     *     console.log(stats.isDirectory());
+     *     console.log(stats);
+     *   });
+     * }
+     * ```
+     *
+     * The resulting output will resemble:
+     *
+     * ```console
+     * true
+     * Stats {
+     *   dev: 16777220,
+     *   mode: 16877,
+     *   nlink: 3,
+     *   uid: 501,
+     *   gid: 20,
+     *   rdev: 0,
+     *   blksize: 4096,
+     *   ino: 14214262,
+     *   size: 96,
+     *   blocks: 0,
+     *   atimeMs: 1561174653071.963,
+     *   mtimeMs: 1561174614583.3518,
+     *   ctimeMs: 1561174626623.5366,
+     *   birthtimeMs: 1561174126937.2893,
+     *   atime: 2019-06-22T03:37:33.072Z,
+     *   mtime: 2019-06-22T03:36:54.583Z,
+     *   ctime: 2019-06-22T03:37:06.624Z,
+     *   birthtime: 2019-06-22T03:28:46.937Z
+     * }
+     * false
+     * Stats {
+     *   dev: 16777220,
+     *   mode: 33188,
+     *   nlink: 1,
+     *   uid: 501,
+     *   gid: 20,
+     *   rdev: 0,
+     *   blksize: 4096,
+     *   ino: 14214074,
+     *   size: 8,
+     *   blocks: 8,
+     *   atimeMs: 1561174616618.8555,
+     *   mtimeMs: 1561174614584,
+     *   ctimeMs: 1561174614583.8145,
+     *   birthtimeMs: 1561174007710.7478,
+     *   atime: 2019-06-22T03:36:56.619Z,
+     *   mtime: 2019-06-22T03:36:54.584Z,
+     *   ctime: 2019-06-22T03:36:54.584Z,
+     *   birthtime: 2019-06-22T03:26:47.711Z
+     * }
+     * ```
+     * @since v0.0.2
+     */
+    export function stat(path: PathLike, callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void): void;
+    export function stat(
+        path: PathLike,
+        options:
+            | (StatOptions & {
+                  bigint?: false | undefined;
+              })
+            | undefined,
+        callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void
+    ): void;
+    export function stat(
+        path: PathLike,
+        options: StatOptions & {
+            bigint: true;
+        },
+        callback: (err: NodeJS.ErrnoException | null, stats: BigIntStats) => void
+    ): void;
+    export function stat(path: PathLike, options: StatOptions | undefined, callback: (err: NodeJS.ErrnoException | null, stats: Stats | BigIntStats) => void): void;
+    export namespace stat {
+        /**
+         * Asynchronous stat(2) - Get file status.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(
+            path: PathLike,
+            options?: StatOptions & {
+                bigint?: false | undefined;
+            }
+        ): Promise<Stats>;
+        function __promisify__(
+            path: PathLike,
+            options: StatOptions & {
+                bigint: true;
+            }
+        ): Promise<BigIntStats>;
+        function __promisify__(path: PathLike, options?: StatOptions): Promise<Stats | BigIntStats>;
+    }
+    export interface StatSyncFn extends Function {
+        (path: PathLike, options?: undefined): Stats;
+        (
+            path: PathLike,
+            options?: StatSyncOptions & {
+                bigint?: false | undefined;
+                throwIfNoEntry: false;
+            }
+        ): Stats | undefined;
+        (
+            path: PathLike,
+            options: StatSyncOptions & {
+                bigint: true;
+                throwIfNoEntry: false;
+            }
+        ): BigIntStats | undefined;
+        (
+            path: PathLike,
+            options?: StatSyncOptions & {
+                bigint?: false | undefined;
+            }
+        ): Stats;
+        (
+            path: PathLike,
+            options: StatSyncOptions & {
+                bigint: true;
+            }
+        ): BigIntStats;
+        (
+            path: PathLike,
+            options: StatSyncOptions & {
+                bigint: boolean;
+                throwIfNoEntry?: false | undefined;
+            }
+        ): Stats | BigIntStats;
+        (path: PathLike, options?: StatSyncOptions): Stats | BigIntStats | undefined;
+    }
+    /**
+     * Synchronous stat(2) - Get file status.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export const statSync: StatSyncFn;
+    /**
+     * Invokes the callback with the `fs.Stats` for the file descriptor.
+     *
+     * See the POSIX [`fstat(2)`](http://man7.org/linux/man-pages/man2/fstat.2.html) documentation for more detail.
+     * @since v0.1.95
+     */
+    export function fstat(fd: number, callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void): void;
+    export function fstat(
+        fd: number,
+        options:
+            | (StatOptions & {
+                  bigint?: false | undefined;
+              })
+            | undefined,
+        callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void
+    ): void;
+    export function fstat(
+        fd: number,
+        options: StatOptions & {
+            bigint: true;
+        },
+        callback: (err: NodeJS.ErrnoException | null, stats: BigIntStats) => void
+    ): void;
+    export function fstat(fd: number, options: StatOptions | undefined, callback: (err: NodeJS.ErrnoException | null, stats: Stats | BigIntStats) => void): void;
+    export namespace fstat {
+        /**
+         * Asynchronous fstat(2) - Get file status.
+         * @param fd A file descriptor.
+         */
+        function __promisify__(
+            fd: number,
+            options?: StatOptions & {
+                bigint?: false | undefined;
+            }
+        ): Promise<Stats>;
+        function __promisify__(
+            fd: number,
+            options: StatOptions & {
+                bigint: true;
+            }
+        ): Promise<BigIntStats>;
+        function __promisify__(fd: number, options?: StatOptions): Promise<Stats | BigIntStats>;
+    }
+    /**
+     * Retrieves the `fs.Stats` for the file descriptor.
+     *
+     * See the POSIX [`fstat(2)`](http://man7.org/linux/man-pages/man2/fstat.2.html) documentation for more detail.
+     * @since v0.1.95
+     */
+    export function fstatSync(
+        fd: number,
+        options?: StatOptions & {
+            bigint?: false | undefined;
+        }
+    ): Stats;
+    export function fstatSync(
+        fd: number,
+        options: StatOptions & {
+            bigint: true;
+        }
+    ): BigIntStats;
+    export function fstatSync(fd: number, options?: StatOptions): Stats | BigIntStats;
+    /**
+     * Retrieves the `fs.Stats` for the symbolic link referred to by the path.
+     * The callback gets two arguments `(err, stats)` where `stats` is a `fs.Stats` object. `lstat()` is identical to `stat()`, except that if `path` is a symbolic
+     * link, then the link itself is stat-ed, not the file that it refers to.
+     *
+     * See the POSIX [`lstat(2)`](http://man7.org/linux/man-pages/man2/lstat.2.html) documentation for more details.
+     * @since v0.1.30
+     */
+    export function lstat(path: PathLike, callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void): void;
+    export function lstat(
+        path: PathLike,
+        options:
+            | (StatOptions & {
+                  bigint?: false | undefined;
+              })
+            | undefined,
+        callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void
+    ): void;
+    export function lstat(
+        path: PathLike,
+        options: StatOptions & {
+            bigint: true;
+        },
+        callback: (err: NodeJS.ErrnoException | null, stats: BigIntStats) => void
+    ): void;
+    export function lstat(path: PathLike, options: StatOptions | undefined, callback: (err: NodeJS.ErrnoException | null, stats: Stats | BigIntStats) => void): void;
+    export namespace lstat {
+        /**
+         * Asynchronous lstat(2) - Get file status. Does not dereference symbolic links.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(
+            path: PathLike,
+            options?: StatOptions & {
+                bigint?: false | undefined;
+            }
+        ): Promise<Stats>;
+        function __promisify__(
+            path: PathLike,
+            options: StatOptions & {
+                bigint: true;
+            }
+        ): Promise<BigIntStats>;
+        function __promisify__(path: PathLike, options?: StatOptions): Promise<Stats | BigIntStats>;
+    }
+    /**
+     * Synchronous lstat(2) - Get file status. Does not dereference symbolic links.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export const lstatSync: StatSyncFn;
+    /**
+     * Creates a new link from the `existingPath` to the `newPath`. See the POSIX [`link(2)`](http://man7.org/linux/man-pages/man2/link.2.html) documentation for more detail. No arguments other than
+     * a possible
+     * exception are given to the completion callback.
+     * @since v0.1.31
+     */
+    export function link(existingPath: PathLike, newPath: PathLike, callback: NoParamCallback): void;
+    export namespace link {
+        /**
+         * Asynchronous link(2) - Create a new link (also known as a hard link) to an existing file.
+         * @param existingPath A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param newPath A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(existingPath: PathLike, newPath: PathLike): Promise<void>;
+    }
+    /**
+     * Creates a new link from the `existingPath` to the `newPath`. See the POSIX [`link(2)`](http://man7.org/linux/man-pages/man2/link.2.html) documentation for more detail. Returns `undefined`.
+     * @since v0.1.31
+     */
+    export function linkSync(existingPath: PathLike, newPath: PathLike): void;
+    /**
+     * Creates the link called `path` pointing to `target`. No arguments other than a
+     * possible exception are given to the completion callback.
+     *
+     * See the POSIX [`symlink(2)`](http://man7.org/linux/man-pages/man2/symlink.2.html) documentation for more details.
+     *
+     * The `type` argument is only available on Windows and ignored on other platforms.
+     * It can be set to `'dir'`, `'file'`, or `'junction'`. If the `type` argument is
+     * not set, Node.js will autodetect `target` type and use `'file'` or `'dir'`. If
+     * the `target` does not exist, `'file'` will be used. Windows junction points
+     * require the destination path to be absolute. When using `'junction'`, the`target` argument will automatically be normalized to absolute path.
+     *
+     * Relative targets are relative to the link’s parent directory.
+     *
+     * ```js
+     * import { symlink } from 'fs';
+     *
+     * symlink('./mew', './mewtwo', callback);
+     * ```
+     *
+     * The above example creates a symbolic link `mewtwo` which points to `mew` in the
+     * same directory:
+     *
+     * ```bash
+     * $ tree .
+     * .
+     * ├── mew
+     * └── mewtwo -> ./mew
+     * ```
+     * @since v0.1.31
+     */
+    export function symlink(target: PathLike, path: PathLike, type: symlink.Type | undefined | null, callback: NoParamCallback): void;
+    /**
+     * Asynchronous symlink(2) - Create a new symbolic link to an existing file.
+     * @param target A path to an existing file. If a URL is provided, it must use the `file:` protocol.
+     * @param path A path to the new symlink. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function symlink(target: PathLike, path: PathLike, callback: NoParamCallback): void;
+    export namespace symlink {
+        /**
+         * Asynchronous symlink(2) - Create a new symbolic link to an existing file.
+         * @param target A path to an existing file. If a URL is provided, it must use the `file:` protocol.
+         * @param path A path to the new symlink. If a URL is provided, it must use the `file:` protocol.
+         * @param type May be set to `'dir'`, `'file'`, or `'junction'` (default is `'file'`) and is only available on Windows (ignored on other platforms).
+         * When using `'junction'`, the `target` argument will automatically be normalized to an absolute path.
+         */
+        function __promisify__(target: PathLike, path: PathLike, type?: string | null): Promise<void>;
+        type Type = 'dir' | 'file' | 'junction';
+    }
+    /**
+     * Returns `undefined`.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link symlink}.
+     * @since v0.1.31
+     */
+    export function symlinkSync(target: PathLike, path: PathLike, type?: symlink.Type | null): void;
+    /**
+     * Reads the contents of the symbolic link referred to by `path`. The callback gets
+     * two arguments `(err, linkString)`.
+     *
+     * See the POSIX [`readlink(2)`](http://man7.org/linux/man-pages/man2/readlink.2.html) documentation for more details.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the link path passed to the callback. If the `encoding` is set to `'buffer'`,
+     * the link path returned will be passed as a `Buffer` object.
+     * @since v0.1.31
+     */
+    export function readlink(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, linkString: string) => void): void;
+    /**
+     * Asynchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readlink(path: PathLike, options: BufferEncodingOption, callback: (err: NodeJS.ErrnoException | null, linkString: Buffer) => void): void;
+    /**
+     * Asynchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readlink(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, linkString: string | Buffer) => void): void;
+    /**
+     * Asynchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function readlink(path: PathLike, callback: (err: NodeJS.ErrnoException | null, linkString: string) => void): void;
+    export namespace readlink {
+        /**
+         * Asynchronous readlink(2) - read value of a symbolic link.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(path: PathLike, options?: EncodingOption): Promise<string>;
+        /**
+         * Asynchronous readlink(2) - read value of a symbolic link.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(path: PathLike, options: BufferEncodingOption): Promise<Buffer>;
+        /**
+         * Asynchronous readlink(2) - read value of a symbolic link.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(path: PathLike, options?: EncodingOption): Promise<string | Buffer>;
+    }
+    /**
+     * Returns the symbolic link's string value.
+     *
+     * See the POSIX [`readlink(2)`](http://man7.org/linux/man-pages/man2/readlink.2.html) documentation for more details.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the link path returned. If the `encoding` is set to `'buffer'`,
+     * the link path returned will be passed as a `Buffer` object.
+     * @since v0.1.31
+     */
+    export function readlinkSync(path: PathLike, options?: EncodingOption): string;
+    /**
+     * Synchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readlinkSync(path: PathLike, options: BufferEncodingOption): Buffer;
+    /**
+     * Synchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readlinkSync(path: PathLike, options?: EncodingOption): string | Buffer;
+    /**
+     * Asynchronously computes the canonical pathname by resolving `.`, `..` and
+     * symbolic links.
+     *
+     * A canonical pathname is not necessarily unique. Hard links and bind mounts can
+     * expose a file system entity through many pathnames.
+     *
+     * This function behaves like [`realpath(3)`](http://man7.org/linux/man-pages/man3/realpath.3.html), with some exceptions:
+     *
+     * 1. No case conversion is performed on case-insensitive file systems.
+     * 2. The maximum number of symbolic links is platform-independent and generally
+     * (much) higher than what the native [`realpath(3)`](http://man7.org/linux/man-pages/man3/realpath.3.html) implementation supports.
+     *
+     * The `callback` gets two arguments `(err, resolvedPath)`. May use `process.cwd`to resolve relative paths.
+     *
+     * Only paths that can be converted to UTF8 strings are supported.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the path passed to the callback. If the `encoding` is set to `'buffer'`,
+     * the path returned will be passed as a `Buffer` object.
+     *
+     * If `path` resolves to a socket or a pipe, the function will return a system
+     * dependent name for that object.
+     * @since v0.1.31
+     */
+    export function realpath(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string) => void): void;
+    /**
+     * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function realpath(path: PathLike, options: BufferEncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: Buffer) => void): void;
+    /**
+     * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function realpath(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string | Buffer) => void): void;
+    /**
+     * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function realpath(path: PathLike, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string) => void): void;
+    export namespace realpath {
+        /**
+         * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(path: PathLike, options?: EncodingOption): Promise<string>;
+        /**
+         * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(path: PathLike, options: BufferEncodingOption): Promise<Buffer>;
+        /**
+         * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(path: PathLike, options?: EncodingOption): Promise<string | Buffer>;
+        /**
+         * Asynchronous [`realpath(3)`](http://man7.org/linux/man-pages/man3/realpath.3.html).
+         *
+         * The `callback` gets two arguments `(err, resolvedPath)`.
+         *
+         * Only paths that can be converted to UTF8 strings are supported.
+         *
+         * The optional `options` argument can be a string specifying an encoding, or an
+         * object with an `encoding` property specifying the character encoding to use for
+         * the path passed to the callback. If the `encoding` is set to `'buffer'`,
+         * the path returned will be passed as a `Buffer` object.
+         *
+         * On Linux, when Node.js is linked against musl libc, the procfs file system must
+         * be mounted on `/proc` in order for this function to work. Glibc does not have
+         * this restriction.
+         * @since v9.2.0
+         */
+        function native(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string) => void): void;
+        function native(path: PathLike, options: BufferEncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: Buffer) => void): void;
+        function native(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string | Buffer) => void): void;
+        function native(path: PathLike, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string) => void): void;
+    }
+    /**
+     * Returns the resolved pathname.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link realpath}.
+     * @since v0.1.31
+     */
+    export function realpathSync(path: PathLike, options?: EncodingOption): string;
+    /**
+     * Synchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function realpathSync(path: PathLike, options: BufferEncodingOption): Buffer;
+    /**
+     * Synchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function realpathSync(path: PathLike, options?: EncodingOption): string | Buffer;
+    export namespace realpathSync {
+        function native(path: PathLike, options?: EncodingOption): string;
+        function native(path: PathLike, options: BufferEncodingOption): Buffer;
+        function native(path: PathLike, options?: EncodingOption): string | Buffer;
+    }
+    /**
+     * Asynchronously removes a file or symbolic link. No arguments other than a
+     * possible exception are given to the completion callback.
+     *
+     * ```js
+     * import { unlink } from 'fs';
+     * // Assuming that 'path/file.txt' is a regular file.
+     * unlink('path/file.txt', (err) => {
+     *   if (err) throw err;
+     *   console.log('path/file.txt was deleted');
+     * });
+     * ```
+     *
+     * `fs.unlink()` will not work on a directory, empty or otherwise. To remove a
+     * directory, use {@link rmdir}.
+     *
+     * See the POSIX [`unlink(2)`](http://man7.org/linux/man-pages/man2/unlink.2.html) documentation for more details.
+     * @since v0.0.2
+     */
+    export function unlink(path: PathLike, callback: NoParamCallback): void;
+    export namespace unlink {
+        /**
+         * Asynchronous unlink(2) - delete a name and possibly the file it refers to.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(path: PathLike): Promise<void>;
+    }
+    /**
+     * Synchronous [`unlink(2)`](http://man7.org/linux/man-pages/man2/unlink.2.html). Returns `undefined`.
+     * @since v0.1.21
+     */
+    export function unlinkSync(path: PathLike): void;
+    export interface RmDirOptions {
+        /**
+         * If an `EBUSY`, `EMFILE`, `ENFILE`, `ENOTEMPTY`, or
+         * `EPERM` error is encountered, Node.js will retry the operation with a linear
+         * backoff wait of `retryDelay` ms longer on each try. This option represents the
+         * number of retries. This option is ignored if the `recursive` option is not
+         * `true`.
+         * @default 0
+         */
+        maxRetries?: number | undefined;
+        /**
+         * @deprecated since v14.14.0 In future versions of Node.js and will trigger a warning
+         * `fs.rmdir(path, { recursive: true })` will throw if `path` does not exist or is a file.
+         * Use `fs.rm(path, { recursive: true, force: true })` instead.
+         *
+         * If `true`, perform a recursive directory removal. In
+         * recursive mode, operations are retried on failure.
+         * @default false
+         */
+        recursive?: boolean | undefined;
+        /**
+         * The amount of time in milliseconds to wait between retries.
+         * This option is ignored if the `recursive` option is not `true`.
+         * @default 100
+         */
+        retryDelay?: number | undefined;
+    }
+    /**
+     * Asynchronous [`rmdir(2)`](http://man7.org/linux/man-pages/man2/rmdir.2.html). No arguments other than a possible exception are given
+     * to the completion callback.
+     *
+     * Using `fs.rmdir()` on a file (not a directory) results in an `ENOENT` error on
+     * Windows and an `ENOTDIR` error on POSIX.
+     *
+     * To get a behavior similar to the `rm -rf` Unix command, use {@link rm} with options `{ recursive: true, force: true }`.
+     * @since v0.0.2
+     */
+    export function rmdir(path: PathLike, callback: NoParamCallback): void;
+    export function rmdir(path: PathLike, options: RmDirOptions, callback: NoParamCallback): void;
+    export namespace rmdir {
+        /**
+         * Asynchronous rmdir(2) - delete a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(path: PathLike, options?: RmDirOptions): Promise<void>;
+    }
+    /**
+     * Synchronous [`rmdir(2)`](http://man7.org/linux/man-pages/man2/rmdir.2.html). Returns `undefined`.
+     *
+     * Using `fs.rmdirSync()` on a file (not a directory) results in an `ENOENT` error
+     * on Windows and an `ENOTDIR` error on POSIX.
+     *
+     * To get a behavior similar to the `rm -rf` Unix command, use {@link rmSync} with options `{ recursive: true, force: true }`.
+     * @since v0.1.21
+     */
+    export function rmdirSync(path: PathLike, options?: RmDirOptions): void;
+    export interface RmOptions {
+        /**
+         * When `true`, exceptions will be ignored if `path` does not exist.
+         * @default false
+         */
+        force?: boolean | undefined;
+        /**
+         * If an `EBUSY`, `EMFILE`, `ENFILE`, `ENOTEMPTY`, or
+         * `EPERM` error is encountered, Node.js will retry the operation with a linear
+         * backoff wait of `retryDelay` ms longer on each try. This option represents the
+         * number of retries. This option is ignored if the `recursive` option is not
+         * `true`.
+         * @default 0
+         */
+        maxRetries?: number | undefined;
+        /**
+         * If `true`, perform a recursive directory removal. In
+         * recursive mode, operations are retried on failure.
+         * @default false
+         */
+        recursive?: boolean | undefined;
+        /**
+         * The amount of time in milliseconds to wait between retries.
+         * This option is ignored if the `recursive` option is not `true`.
+         * @default 100
+         */
+        retryDelay?: number | undefined;
+    }
+    /**
+     * Asynchronously removes files and directories (modeled on the standard POSIX `rm`utility). No arguments other than a possible exception are given to the
+     * completion callback.
+     * @since v14.14.0
+     */
+    export function rm(path: PathLike, callback: NoParamCallback): void;
+    export function rm(path: PathLike, options: RmOptions, callback: NoParamCallback): void;
+    export namespace rm {
+        /**
+         * Asynchronously removes files and directories (modeled on the standard POSIX `rm` utility).
+         */
+        function __promisify__(path: PathLike, options?: RmOptions): Promise<void>;
+    }
+    /**
+     * Synchronously removes files and directories (modeled on the standard POSIX `rm`utility). Returns `undefined`.
+     * @since v14.14.0
+     */
+    export function rmSync(path: PathLike, options?: RmOptions): void;
+    export interface MakeDirectoryOptions {
+        /**
+         * Indicates whether parent folders should be created.
+         * If a folder was created, the path to the first created folder will be returned.
+         * @default false
+         */
+        recursive?: boolean | undefined;
+        /**
+         * A file mode. If a string is passed, it is parsed as an octal integer. If not specified
+         * @default 0o777
+         */
+        mode?: Mode | undefined;
+    }
+    /**
+     * Asynchronously creates a directory.
+     *
+     * The callback is given a possible exception and, if `recursive` is `true`, the
+     * first directory path created, `(err[, path])`.`path` can still be `undefined` when `recursive` is `true`, if no directory was
+     * created.
+     *
+     * The optional `options` argument can be an integer specifying `mode` (permission
+     * and sticky bits), or an object with a `mode` property and a `recursive`property indicating whether parent directories should be created. Calling`fs.mkdir()` when `path` is a directory that
+     * exists results in an error only
+     * when `recursive` is false.
+     *
+     * ```js
+     * import { mkdir } from 'fs';
+     *
+     * // Creates /tmp/a/apple, regardless of whether `/tmp` and /tmp/a exist.
+     * mkdir('/tmp/a/apple', { recursive: true }, (err) => {
+     *   if (err) throw err;
+     * });
+     * ```
+     *
+     * On Windows, using `fs.mkdir()` on the root directory even with recursion will
+     * result in an error:
+     *
+     * ```js
+     * import { mkdir } from 'fs';
+     *
+     * mkdir('/', { recursive: true }, (err) => {
+     *   // => [Error: EPERM: operation not permitted, mkdir 'C:\']
+     * });
+     * ```
+     *
+     * See the POSIX [`mkdir(2)`](http://man7.org/linux/man-pages/man2/mkdir.2.html) documentation for more details.
+     * @since v0.1.8
+     */
+    export function mkdir(
+        path: PathLike,
+        options: MakeDirectoryOptions & {
+            recursive: true;
+        },
+        callback: (err: NodeJS.ErrnoException | null, path?: string) => void
+    ): void;
+    /**
+     * Asynchronous mkdir(2) - create a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+     * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+     */
+    export function mkdir(
+        path: PathLike,
+        options:
+            | Mode
+            | (MakeDirectoryOptions & {
+                  recursive?: false | undefined;
+              })
+            | null
+            | undefined,
+        callback: NoParamCallback
+    ): void;
+    /**
+     * Asynchronous mkdir(2) - create a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+     * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+     */
+    export function mkdir(path: PathLike, options: Mode | MakeDirectoryOptions | null | undefined, callback: (err: NodeJS.ErrnoException | null, path?: string) => void): void;
+    /**
+     * Asynchronous mkdir(2) - create a directory with a mode of `0o777`.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function mkdir(path: PathLike, callback: NoParamCallback): void;
+    export namespace mkdir {
+        /**
+         * Asynchronous mkdir(2) - create a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+         * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+         */
+        function __promisify__(
+            path: PathLike,
+            options: MakeDirectoryOptions & {
+                recursive: true;
+            }
+        ): Promise<string | undefined>;
+        /**
+         * Asynchronous mkdir(2) - create a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+         * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+         */
+        function __promisify__(
+            path: PathLike,
+            options?:
+                | Mode
+                | (MakeDirectoryOptions & {
+                      recursive?: false | undefined;
+                  })
+                | null
+        ): Promise<void>;
+        /**
+         * Asynchronous mkdir(2) - create a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+         * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+         */
+        function __promisify__(path: PathLike, options?: Mode | MakeDirectoryOptions | null): Promise<string | undefined>;
+    }
+    /**
+     * Synchronously creates a directory. Returns `undefined`, or if `recursive` is`true`, the first directory path created.
+     * This is the synchronous version of {@link mkdir}.
+     *
+     * See the POSIX [`mkdir(2)`](http://man7.org/linux/man-pages/man2/mkdir.2.html) documentation for more details.
+     * @since v0.1.21
+     */
+    export function mkdirSync(
+        path: PathLike,
+        options: MakeDirectoryOptions & {
+            recursive: true;
+        }
+    ): string | undefined;
+    /**
+     * Synchronous mkdir(2) - create a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+     * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+     */
+    export function mkdirSync(
+        path: PathLike,
+        options?:
+            | Mode
+            | (MakeDirectoryOptions & {
+                  recursive?: false | undefined;
+              })
+            | null
+    ): void;
+    /**
+     * Synchronous mkdir(2) - create a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+     * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+     */
+    export function mkdirSync(path: PathLike, options?: Mode | MakeDirectoryOptions | null): string | undefined;
+    /**
+     * Creates a unique temporary directory.
+     *
+     * Generates six random characters to be appended behind a required`prefix` to create a unique temporary directory. Due to platform
+     * inconsistencies, avoid trailing `X` characters in `prefix`. Some platforms,
+     * notably the BSDs, can return more than six random characters, and replace
+     * trailing `X` characters in `prefix` with random characters.
+     *
+     * The created directory path is passed as a string to the callback's second
+     * parameter.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use.
+     *
+     * ```js
+     * import { mkdtemp } from 'fs';
+     *
+     * mkdtemp(path.join(os.tmpdir(), 'foo-'), (err, directory) => {
+     *   if (err) throw err;
+     *   console.log(directory);
+     *   // Prints: /tmp/foo-itXde2 or C:\Users\...\AppData\Local\Temp\foo-itXde2
+     * });
+     * ```
+     *
+     * The `fs.mkdtemp()` method will append the six randomly selected characters
+     * directly to the `prefix` string. For instance, given a directory `/tmp`, if the
+     * intention is to create a temporary directory _within_`/tmp`, the `prefix`must end with a trailing platform-specific path separator
+     * (`require('path').sep`).
+     *
+     * ```js
+     * import { tmpdir } from 'os';
+     * import { mkdtemp } from 'fs';
+     *
+     * // The parent directory for the new temporary directory
+     * const tmpDir = tmpdir();
+     *
+     * // This method is *INCORRECT*:
+     * mkdtemp(tmpDir, (err, directory) => {
+     *   if (err) throw err;
+     *   console.log(directory);
+     *   // Will print something similar to `/tmpabc123`.
+     *   // A new temporary directory is created at the file system root
+     *   // rather than *within* the /tmp directory.
+     * });
+     *
+     * // This method is *CORRECT*:
+     * import { sep } from 'path';
+     * mkdtemp(`${tmpDir}${sep}`, (err, directory) => {
+     *   if (err) throw err;
+     *   console.log(directory);
+     *   // Will print something similar to `/tmp/abc123`.
+     *   // A new temporary directory is created within
+     *   // the /tmp directory.
+     * });
+     * ```
+     * @since v5.10.0
+     */
+    export function mkdtemp(prefix: string, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, folder: string) => void): void;
+    /**
+     * Asynchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function mkdtemp(
+        prefix: string,
+        options:
+            | 'buffer'
+            | {
+                  encoding: 'buffer';
+              },
+        callback: (err: NodeJS.ErrnoException | null, folder: Buffer) => void
+    ): void;
+    /**
+     * Asynchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function mkdtemp(prefix: string, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, folder: string | Buffer) => void): void;
+    /**
+     * Asynchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+     */
+    export function mkdtemp(prefix: string, callback: (err: NodeJS.ErrnoException | null, folder: string) => void): void;
+    export namespace mkdtemp {
+        /**
+         * Asynchronously creates a unique temporary directory.
+         * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(prefix: string, options?: EncodingOption): Promise<string>;
+        /**
+         * Asynchronously creates a unique temporary directory.
+         * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(prefix: string, options: BufferEncodingOption): Promise<Buffer>;
+        /**
+         * Asynchronously creates a unique temporary directory.
+         * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(prefix: string, options?: EncodingOption): Promise<string | Buffer>;
+    }
+    /**
+     * Returns the created directory path.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link mkdtemp}.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use.
+     * @since v5.10.0
+     */
+    export function mkdtempSync(prefix: string, options?: EncodingOption): string;
+    /**
+     * Synchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function mkdtempSync(prefix: string, options: BufferEncodingOption): Buffer;
+    /**
+     * Synchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function mkdtempSync(prefix: string, options?: EncodingOption): string | Buffer;
+    /**
+     * Reads the contents of a directory. The callback gets two arguments `(err, files)`where `files` is an array of the names of the files in the directory excluding`'.'` and `'..'`.
+     *
+     * See the POSIX [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) documentation for more details.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the filenames passed to the callback. If the `encoding` is set to `'buffer'`,
+     * the filenames returned will be passed as `Buffer` objects.
+     *
+     * If `options.withFileTypes` is set to `true`, the `files` array will contain `fs.Dirent` objects.
+     * @since v0.1.8
+     */
+    export function readdir(
+        path: PathLike,
+        options:
+            | {
+                  encoding: BufferEncoding | null;
+                  withFileTypes?: false | undefined;
+              }
+            | BufferEncoding
+            | undefined
+            | null,
+        callback: (err: NodeJS.ErrnoException | null, files: string[]) => void
+    ): void;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readdir(
+        path: PathLike,
+        options:
+            | {
+                  encoding: 'buffer';
+                  withFileTypes?: false | undefined;
+              }
+            | 'buffer',
+        callback: (err: NodeJS.ErrnoException | null, files: Buffer[]) => void
+    ): void;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readdir(
+        path: PathLike,
+        options:
+            | (ObjectEncodingOptions & {
+                  withFileTypes?: false | undefined;
+              })
+            | BufferEncoding
+            | undefined
+            | null,
+        callback: (err: NodeJS.ErrnoException | null, files: string[] | Buffer[]) => void
+    ): void;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function readdir(path: PathLike, callback: (err: NodeJS.ErrnoException | null, files: string[]) => void): void;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options If called with `withFileTypes: true` the result data will be an array of Dirent.
+     */
+    export function readdir(
+        path: PathLike,
+        options: ObjectEncodingOptions & {
+            withFileTypes: true;
+        },
+        callback: (err: NodeJS.ErrnoException | null, files: Dirent[]) => void
+    ): void;
+    export namespace readdir {
+        /**
+         * Asynchronous readdir(3) - read a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(
+            path: PathLike,
+            options?:
+                | {
+                      encoding: BufferEncoding | null;
+                      withFileTypes?: false | undefined;
+                  }
+                | BufferEncoding
+                | null
+        ): Promise<string[]>;
+        /**
+         * Asynchronous readdir(3) - read a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(
+            path: PathLike,
+            options:
+                | 'buffer'
+                | {
+                      encoding: 'buffer';
+                      withFileTypes?: false | undefined;
+                  }
+        ): Promise<Buffer[]>;
+        /**
+         * Asynchronous readdir(3) - read a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(
+            path: PathLike,
+            options?:
+                | (ObjectEncodingOptions & {
+                      withFileTypes?: false | undefined;
+                  })
+                | BufferEncoding
+                | null
+        ): Promise<string[] | Buffer[]>;
+        /**
+         * Asynchronous readdir(3) - read a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options If called with `withFileTypes: true` the result data will be an array of Dirent
+         */
+        function __promisify__(
+            path: PathLike,
+            options: ObjectEncodingOptions & {
+                withFileTypes: true;
+            }
+        ): Promise<Dirent[]>;
+    }
+    /**
+     * Reads the contents of the directory.
+     *
+     * See the POSIX [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) documentation for more details.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the filenames returned. If the `encoding` is set to `'buffer'`,
+     * the filenames returned will be passed as `Buffer` objects.
+     *
+     * If `options.withFileTypes` is set to `true`, the result will contain `fs.Dirent` objects.
+     * @since v0.1.21
+     */
+    export function readdirSync(
+        path: PathLike,
+        options?:
+            | {
+                  encoding: BufferEncoding | null;
+                  withFileTypes?: false | undefined;
+              }
+            | BufferEncoding
+            | null
+    ): string[];
+    /**
+     * Synchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readdirSync(
+        path: PathLike,
+        options:
+            | {
+                  encoding: 'buffer';
+                  withFileTypes?: false | undefined;
+              }
+            | 'buffer'
+    ): Buffer[];
+    /**
+     * Synchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readdirSync(
+        path: PathLike,
+        options?:
+            | (ObjectEncodingOptions & {
+                  withFileTypes?: false | undefined;
+              })
+            | BufferEncoding
+            | null
+    ): string[] | Buffer[];
+    /**
+     * Synchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options If called with `withFileTypes: true` the result data will be an array of Dirent.
+     */
+    export function readdirSync(
+        path: PathLike,
+        options: ObjectEncodingOptions & {
+            withFileTypes: true;
+        }
+    ): Dirent[];
+    /**
+     * Closes the file descriptor. No arguments other than a possible exception are
+     * given to the completion callback.
+     *
+     * Calling `fs.close()` on any file descriptor (`fd`) that is currently in use
+     * through any other `fs` operation may lead to undefined behavior.
+     *
+     * See the POSIX [`close(2)`](http://man7.org/linux/man-pages/man2/close.2.html) documentation for more detail.
+     * @since v0.0.2
+     */
+    export function close(fd: number, callback?: NoParamCallback): void;
+    export namespace close {
+        /**
+         * Asynchronous close(2) - close a file descriptor.
+         * @param fd A file descriptor.
+         */
+        function __promisify__(fd: number): Promise<void>;
+    }
+    /**
+     * Closes the file descriptor. Returns `undefined`.
+     *
+     * Calling `fs.closeSync()` on any file descriptor (`fd`) that is currently in use
+     * through any other `fs` operation may lead to undefined behavior.
+     *
+     * See the POSIX [`close(2)`](http://man7.org/linux/man-pages/man2/close.2.html) documentation for more detail.
+     * @since v0.1.21
+     */
+    export function closeSync(fd: number): void;
+    /**
+     * Asynchronous file open. See the POSIX [`open(2)`](http://man7.org/linux/man-pages/man2/open.2.html) documentation for more details.
+     *
+     * `mode` sets the file mode (permission and sticky bits), but only if the file was
+     * created. On Windows, only the write permission can be manipulated; see {@link chmod}.
+     *
+     * The callback gets two arguments `(err, fd)`.
+     *
+     * Some characters (`< > : " / \ | ? *`) are reserved under Windows as documented
+     * by [Naming Files, Paths, and Namespaces](https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file). Under NTFS, if the filename contains
+     * a colon, Node.js will open a file system stream, as described by [this MSDN page](https://docs.microsoft.com/en-us/windows/desktop/FileIO/using-streams).
+     *
+     * Functions based on `fs.open()` exhibit this behavior as well:`fs.writeFile()`, `fs.readFile()`, etc.
+     * @since v0.0.2
+     * @param [flags='r'] See `support of file system `flags``.
+     * @param [mode=0o666]
+     */
+    export function open(path: PathLike, flags: OpenMode | undefined, mode: Mode | undefined | null, callback: (err: NodeJS.ErrnoException | null, fd: number) => void): void;
+    /**
+     * Asynchronous open(2) - open and possibly create a file. If the file is created, its mode will be `0o666`.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param [flags='r'] See `support of file system `flags``.
+     */
+    export function open(path: PathLike, flags: OpenMode | undefined, callback: (err: NodeJS.ErrnoException | null, fd: number) => void): void;
+    /**
+     * Asynchronous open(2) - open and possibly create a file. If the file is created, its mode will be `0o666`.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function open(path: PathLike, callback: (err: NodeJS.ErrnoException | null, fd: number) => void): void;
+
+    export namespace open {
+        /**
+         * Asynchronous open(2) - open and possibly create a file.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param mode A file mode. If a string is passed, it is parsed as an octal integer. If not supplied, defaults to `0o666`.
+         */
+        function __promisify__(path: PathLike, flags: OpenMode, mode?: Mode | null): Promise<number>;
+    }
+    /**
+     * Returns an integer representing the file descriptor.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link open}.
+     * @since v0.1.21
+     * @param [flags='r']
+     * @param [mode=0o666]
+     */
+    export function openSync(path: PathLike, flags: OpenMode, mode?: Mode | null): number;
+    /**
+     * Change the file system timestamps of the object referenced by `path`.
+     *
+     * The `atime` and `mtime` arguments follow these rules:
+     *
+     * * Values can be either numbers representing Unix epoch time in seconds,`Date`s, or a numeric string like `'123456789.0'`.
+     * * If the value can not be converted to a number, or is `NaN`, `Infinity` or`-Infinity`, an `Error` will be thrown.
+     * @since v0.4.2
+     */
+    export function utimes(path: PathLike, atime: TimeLike, mtime: TimeLike, callback: NoParamCallback): void;
+    export namespace utimes {
+        /**
+         * Asynchronously change file timestamps of the file referenced by the supplied path.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param atime The last access time. If a string is provided, it will be coerced to number.
+         * @param mtime The last modified time. If a string is provided, it will be coerced to number.
+         */
+        function __promisify__(path: PathLike, atime: TimeLike, mtime: TimeLike): Promise<void>;
+    }
+    /**
+     * Returns `undefined`.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link utimes}.
+     * @since v0.4.2
+     */
+    export function utimesSync(path: PathLike, atime: TimeLike, mtime: TimeLike): void;
+    /**
+     * Change the file system timestamps of the object referenced by the supplied file
+     * descriptor. See {@link utimes}.
+     * @since v0.4.2
+     */
+    export function futimes(fd: number, atime: TimeLike, mtime: TimeLike, callback: NoParamCallback): void;
+    export namespace futimes {
+        /**
+         * Asynchronously change file timestamps of the file referenced by the supplied file descriptor.
+         * @param fd A file descriptor.
+         * @param atime The last access time. If a string is provided, it will be coerced to number.
+         * @param mtime The last modified time. If a string is provided, it will be coerced to number.
+         */
+        function __promisify__(fd: number, atime: TimeLike, mtime: TimeLike): Promise<void>;
+    }
+    /**
+     * Synchronous version of {@link futimes}. Returns `undefined`.
+     * @since v0.4.2
+     */
+    export function futimesSync(fd: number, atime: TimeLike, mtime: TimeLike): void;
+    /**
+     * Request that all data for the open file descriptor is flushed to the storage
+     * device. The specific implementation is operating system and device specific.
+     * Refer to the POSIX [`fsync(2)`](http://man7.org/linux/man-pages/man2/fsync.2.html) documentation for more detail. No arguments other
+     * than a possible exception are given to the completion callback.
+     * @since v0.1.96
+     */
+    export function fsync(fd: number, callback: NoParamCallback): void;
+    export namespace fsync {
+        /**
+         * Asynchronous fsync(2) - synchronize a file's in-core state with the underlying storage device.
+         * @param fd A file descriptor.
+         */
+        function __promisify__(fd: number): Promise<void>;
+    }
+    /**
+     * Request that all data for the open file descriptor is flushed to the storage
+     * device. The specific implementation is operating system and device specific.
+     * Refer to the POSIX [`fsync(2)`](http://man7.org/linux/man-pages/man2/fsync.2.html) documentation for more detail. Returns `undefined`.
+     * @since v0.1.96
+     */
+    export function fsyncSync(fd: number): void;
+    /**
+     * Write `buffer` to the file specified by `fd`.
+     *
+     * `offset` determines the part of the buffer to be written, and `length` is
+     * an integer specifying the number of bytes to write.
+     *
+     * `position` refers to the offset from the beginning of the file where this data
+     * should be written. If `typeof position !== 'number'`, the data will be written
+     * at the current position. See [`pwrite(2)`](http://man7.org/linux/man-pages/man2/pwrite.2.html).
+     *
+     * The callback will be given three arguments `(err, bytesWritten, buffer)` where`bytesWritten` specifies how many _bytes_ were written from `buffer`.
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns
+     * a promise for an `Object` with `bytesWritten` and `buffer` properties.
+     *
+     * It is unsafe to use `fs.write()` multiple times on the same file without waiting
+     * for the callback. For this scenario, {@link createWriteStream} is
+     * recommended.
+     *
+     * On Linux, positional writes don't work when the file is opened in append mode.
+     * The kernel ignores the position argument and always appends the data to
+     * the end of the file.
+     * @since v0.0.2
+     */
+    export function write<TBuffer extends NodeJS.ArrayBufferView>(
+        fd: number,
+        buffer: TBuffer,
+        offset: number | undefined | null,
+        length: number | undefined | null,
+        position: number | undefined | null,
+        callback: (err: NodeJS.ErrnoException | null, written: number, buffer: TBuffer) => void
+    ): void;
+    /**
+     * Asynchronously writes `buffer` to the file referenced by the supplied file descriptor.
+     * @param fd A file descriptor.
+     * @param offset The part of the buffer to be written. If not supplied, defaults to `0`.
+     * @param length The number of bytes to write. If not supplied, defaults to `buffer.length - offset`.
+     */
+    export function write<TBuffer extends NodeJS.ArrayBufferView>(
+        fd: number,
+        buffer: TBuffer,
+        offset: number | undefined | null,
+        length: number | undefined | null,
+        callback: (err: NodeJS.ErrnoException | null, written: number, buffer: TBuffer) => void
+    ): void;
+    /**
+     * Asynchronously writes `buffer` to the file referenced by the supplied file descriptor.
+     * @param fd A file descriptor.
+     * @param offset The part of the buffer to be written. If not supplied, defaults to `0`.
+     */
+    export function write<TBuffer extends NodeJS.ArrayBufferView>(
+        fd: number,
+        buffer: TBuffer,
+        offset: number | undefined | null,
+        callback: (err: NodeJS.ErrnoException | null, written: number, buffer: TBuffer) => void
+    ): void;
+    /**
+     * Asynchronously writes `buffer` to the file referenced by the supplied file descriptor.
+     * @param fd A file descriptor.
+     */
+    export function write<TBuffer extends NodeJS.ArrayBufferView>(fd: number, buffer: TBuffer, callback: (err: NodeJS.ErrnoException | null, written: number, buffer: TBuffer) => void): void;
+    /**
+     * Asynchronously writes `string` to the file referenced by the supplied file descriptor.
+     * @param fd A file descriptor.
+     * @param string A string to write.
+     * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
+     * @param encoding The expected string encoding.
+     */
+    export function write(
+        fd: number,
+        string: string,
+        position: number | undefined | null,
+        encoding: BufferEncoding | undefined | null,
+        callback: (err: NodeJS.ErrnoException | null, written: number, str: string) => void
+    ): void;
+    /**
+     * Asynchronously writes `string` to the file referenced by the supplied file descriptor.
+     * @param fd A file descriptor.
+     * @param string A string to write.
+     * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
+     */
+    export function write(fd: number, string: string, position: number | undefined | null, callback: (err: NodeJS.ErrnoException | null, written: number, str: string) => void): void;
+    /**
+     * Asynchronously writes `string` to the file referenced by the supplied file descriptor.
+     * @param fd A file descriptor.
+     * @param string A string to write.
+     */
+    export function write(fd: number, string: string, callback: (err: NodeJS.ErrnoException | null, written: number, str: string) => void): void;
+    export namespace write {
+        /**
+         * Asynchronously writes `buffer` to the file referenced by the supplied file descriptor.
+         * @param fd A file descriptor.
+         * @param offset The part of the buffer to be written. If not supplied, defaults to `0`.
+         * @param length The number of bytes to write. If not supplied, defaults to `buffer.length - offset`.
+         * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
+         */
+        function __promisify__<TBuffer extends NodeJS.ArrayBufferView>(
+            fd: number,
+            buffer?: TBuffer,
+            offset?: number,
+            length?: number,
+            position?: number | null
+        ): Promise<{
+            bytesWritten: number;
+            buffer: TBuffer;
+        }>;
+        /**
+         * Asynchronously writes `string` to the file referenced by the supplied file descriptor.
+         * @param fd A file descriptor.
+         * @param string A string to write.
+         * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
+         * @param encoding The expected string encoding.
+         */
+        function __promisify__(
+            fd: number,
+            string: string,
+            position?: number | null,
+            encoding?: BufferEncoding | null
+        ): Promise<{
+            bytesWritten: number;
+            buffer: string;
+        }>;
+    }
+    /**
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link write}.
+     * @since v0.1.21
+     * @return The number of bytes written.
+     */
+    export function writeSync(fd: number, buffer: NodeJS.ArrayBufferView, offset?: number | null, length?: number | null, position?: number | null): number;
+    /**
+     * Synchronously writes `string` to the file referenced by the supplied file descriptor, returning the number of bytes written.
+     * @param fd A file descriptor.
+     * @param string A string to write.
+     * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
+     * @param encoding The expected string encoding.
+     */
+    export function writeSync(fd: number, string: string, position?: number | null, encoding?: BufferEncoding | null): number;
+    export type ReadPosition = number | bigint;
+    export interface ReadSyncOptions {
+        /**
+         * @default 0
+         */
+        offset?: number | undefined;
+        /**
+         * @default `length of buffer`
+         */
+        length?: number | undefined;
+        /**
+         * @default null
+         */
+        position?: ReadPosition | null | undefined;
+    }
+    export interface ReadAsyncOptions<TBuffer extends NodeJS.ArrayBufferView> extends ReadSyncOptions {
+        buffer?: TBuffer;
+    }
+    /**
+     * Read data from the file specified by `fd`.
+     *
+     * The callback is given the three arguments, `(err, bytesRead, buffer)`.
+     *
+     * If the file is not modified concurrently, the end-of-file is reached when the
+     * number of bytes read is zero.
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns
+     * a promise for an `Object` with `bytesRead` and `buffer` properties.
+     * @since v0.0.2
+     * @param buffer The buffer that the data will be written to.
+     * @param offset The position in `buffer` to write the data to.
+     * @param length The number of bytes to read.
+     * @param position Specifies where to begin reading from in the file. If `position` is `null` or `-1 `, data will be read from the current file position, and the file position will be updated. If
+     * `position` is an integer, the file position will be unchanged.
+     */
+    export function read<TBuffer extends NodeJS.ArrayBufferView>(
+        fd: number,
+        buffer: TBuffer,
+        offset: number,
+        length: number,
+        position: ReadPosition | null,
+        callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: TBuffer) => void
+    ): void;
+    /**
+     * Similar to the above `fs.read` function, this version takes an optional `options` object.
+     * If not otherwise specified in an `options` object,
+     * `buffer` defaults to `Buffer.alloc(16384)`,
+     * `offset` defaults to `0`,
+     * `length` defaults to `buffer.byteLength`, `- offset` as of Node 17.6.0
+     * `position` defaults to `null`
+     * @since v12.17.0, 13.11.0
+     */
+    export function read<TBuffer extends NodeJS.ArrayBufferView>(
+        fd: number,
+        options: ReadAsyncOptions<TBuffer>,
+        callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: TBuffer) => void
+    ): void;
+    export function read(fd: number, callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: NodeJS.ArrayBufferView) => void): void;
+    export namespace read {
+        /**
+         * @param fd A file descriptor.
+         * @param buffer The buffer that the data will be written to.
+         * @param offset The offset in the buffer at which to start writing.
+         * @param length The number of bytes to read.
+         * @param position The offset from the beginning of the file from which data should be read. If `null`, data will be read from the current position.
+         */
+        function __promisify__<TBuffer extends NodeJS.ArrayBufferView>(
+            fd: number,
+            buffer: TBuffer,
+            offset: number,
+            length: number,
+            position: number | null
+        ): Promise<{
+            bytesRead: number;
+            buffer: TBuffer;
+        }>;
+        function __promisify__<TBuffer extends NodeJS.ArrayBufferView>(
+            fd: number,
+            options: ReadAsyncOptions<TBuffer>
+        ): Promise<{
+            bytesRead: number;
+            buffer: TBuffer;
+        }>;
+        function __promisify__(fd: number): Promise<{
+            bytesRead: number;
+            buffer: NodeJS.ArrayBufferView;
+        }>;
+    }
+    /**
+     * Returns the number of `bytesRead`.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link read}.
+     * @since v0.1.21
+     */
+    export function readSync(fd: number, buffer: NodeJS.ArrayBufferView, offset: number, length: number, position: ReadPosition | null): number;
+    /**
+     * Similar to the above `fs.readSync` function, this version takes an optional `options` object.
+     * If no `options` object is specified, it will default with the above values.
+     */
+    export function readSync(fd: number, buffer: NodeJS.ArrayBufferView, opts?: ReadSyncOptions): number;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     *
+     * ```js
+     * import { readFile } from 'fs';
+     *
+     * readFile('/etc/passwd', (err, data) => {
+     *   if (err) throw err;
+     *   console.log(data);
+     * });
+     * ```
+     *
+     * The callback is passed two arguments `(err, data)`, where `data` is the
+     * contents of the file.
+     *
+     * If no encoding is specified, then the raw buffer is returned.
+     *
+     * If `options` is a string, then it specifies the encoding:
+     *
+     * ```js
+     * import { readFile } from 'fs';
+     *
+     * readFile('/etc/passwd', 'utf8', callback);
+     * ```
+     *
+     * When the path is a directory, the behavior of `fs.readFile()` and {@link readFileSync} is platform-specific. On macOS, Linux, and Windows, an
+     * error will be returned. On FreeBSD, a representation of the directory's contents
+     * will be returned.
+     *
+     * ```js
+     * import { readFile } from 'fs';
+     *
+     * // macOS, Linux, and Windows
+     * readFile('<directory>', (err, data) => {
+     *   // => [Error: EISDIR: illegal operation on a directory, read <directory>]
+     * });
+     *
+     * //  FreeBSD
+     * readFile('<directory>', (err, data) => {
+     *   // => null, <data>
+     * });
+     * ```
+     *
+     * It is possible to abort an ongoing request using an `AbortSignal`. If a
+     * request is aborted the callback is called with an `AbortError`:
+     *
+     * ```js
+     * import { readFile } from 'fs';
+     *
+     * const controller = new AbortController();
+     * const signal = controller.signal;
+     * readFile(fileInfo[0].name, { signal }, (err, buf) => {
+     *   // ...
+     * });
+     * // When you want to abort the request
+     * controller.abort();
+     * ```
+     *
+     * The `fs.readFile()` function buffers the entire file. To minimize memory costs,
+     * when possible prefer streaming via `fs.createReadStream()`.
+     *
+     * Aborting an ongoing request does not abort individual operating
+     * system requests but rather the internal buffering `fs.readFile` performs.
+     * @since v0.1.29
+     * @param path filename or file descriptor
+     */
+    export function readFile(
+        path: PathOrFileDescriptor,
+        options:
+            | ({
+                  encoding?: null | undefined;
+                  flag?: string | undefined;
+              } & Abortable)
+            | undefined
+            | null,
+        callback: (err: NodeJS.ErrnoException | null, data: Buffer) => void
+    ): void;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag.
+     * If a flag is not provided, it defaults to `'r'`.
+     */
+    export function readFile(
+        path: PathOrFileDescriptor,
+        options:
+            | ({
+                  encoding: BufferEncoding;
+                  flag?: string | undefined;
+              } & Abortable)
+            | BufferEncoding,
+        callback: (err: NodeJS.ErrnoException | null, data: string) => void
+    ): void;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag.
+     * If a flag is not provided, it defaults to `'r'`.
+     */
+    export function readFile(
+        path: PathOrFileDescriptor,
+        options:
+            | (ObjectEncodingOptions & {
+                  flag?: string | undefined;
+              } & Abortable)
+            | BufferEncoding
+            | undefined
+            | null,
+        callback: (err: NodeJS.ErrnoException | null, data: string | Buffer) => void
+    ): void;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     */
+    export function readFile(path: PathOrFileDescriptor, callback: (err: NodeJS.ErrnoException | null, data: Buffer) => void): void;
+    export namespace readFile {
+        /**
+         * Asynchronously reads the entire contents of a file.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+         * @param options An object that may contain an optional flag.
+         * If a flag is not provided, it defaults to `'r'`.
+         */
+        function __promisify__(
+            path: PathOrFileDescriptor,
+            options?: {
+                encoding?: null | undefined;
+                flag?: string | undefined;
+            } | null
+        ): Promise<Buffer>;
+        /**
+         * Asynchronously reads the entire contents of a file.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+         * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag.
+         * If a flag is not provided, it defaults to `'r'`.
+         */
+        function __promisify__(
+            path: PathOrFileDescriptor,
+            options:
+                | {
+                      encoding: BufferEncoding;
+                      flag?: string | undefined;
+                  }
+                | BufferEncoding
+        ): Promise<string>;
+        /**
+         * Asynchronously reads the entire contents of a file.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+         * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag.
+         * If a flag is not provided, it defaults to `'r'`.
+         */
+        function __promisify__(
+            path: PathOrFileDescriptor,
+            options?:
+                | (ObjectEncodingOptions & {
+                      flag?: string | undefined;
+                  })
+                | BufferEncoding
+                | null
+        ): Promise<string | Buffer>;
+    }
+    /**
+     * Returns the contents of the `path`.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link readFile}.
+     *
+     * If the `encoding` option is specified then this function returns a
+     * string. Otherwise it returns a buffer.
+     *
+     * Similar to {@link readFile}, when the path is a directory, the behavior of`fs.readFileSync()` is platform-specific.
+     *
+     * ```js
+     * import { readFileSync } from 'fs';
+     *
+     * // macOS, Linux, and Windows
+     * readFileSync('<directory>');
+     * // => [Error: EISDIR: illegal operation on a directory, read <directory>]
+     *
+     * //  FreeBSD
+     * readFileSync('<directory>'); // => <data>
+     * ```
+     * @since v0.1.8
+     * @param path filename or file descriptor
+     */
+    export function readFileSync(
+        path: PathOrFileDescriptor,
+        options?: {
+            encoding?: null | undefined;
+            flag?: string | undefined;
+        } | null
+    ): Buffer;
+    /**
+     * Synchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag.
+     * If a flag is not provided, it defaults to `'r'`.
+     */
+    export function readFileSync(
+        path: PathOrFileDescriptor,
+        options:
+            | {
+                  encoding: BufferEncoding;
+                  flag?: string | undefined;
+              }
+            | BufferEncoding
+    ): string;
+    /**
+     * Synchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag.
+     * If a flag is not provided, it defaults to `'r'`.
+     */
+    export function readFileSync(
+        path: PathOrFileDescriptor,
+        options?:
+            | (ObjectEncodingOptions & {
+                  flag?: string | undefined;
+              })
+            | BufferEncoding
+            | null
+    ): string | Buffer;
+    export type WriteFileOptions =
+        | (ObjectEncodingOptions &
+              Abortable & {
+                  mode?: Mode | undefined;
+                  flag?: string | undefined;
+              })
+        | BufferEncoding
+        | null;
+    /**
+     * When `file` is a filename, asynchronously writes data to the file, replacing the
+     * file if it already exists. `data` can be a string or a buffer.
+     *
+     * When `file` is a file descriptor, the behavior is similar to calling`fs.write()` directly (which is recommended). See the notes below on using
+     * a file descriptor.
+     *
+     * The `encoding` option is ignored if `data` is a buffer.
+     *
+     * The `mode` option only affects the newly created file. See {@link open} for more details.
+     *
+     * ```js
+     * import { writeFile } from 'fs';
+     * import { Buffer } from 'buffer';
+     *
+     * const data = new Uint8Array(Buffer.from('Hello Node.js'));
+     * writeFile('message.txt', data, (err) => {
+     *   if (err) throw err;
+     *   console.log('The file has been saved!');
+     * });
+     * ```
+     *
+     * If `options` is a string, then it specifies the encoding:
+     *
+     * ```js
+     * import { writeFile } from 'fs';
+     *
+     * writeFile('message.txt', 'Hello Node.js', 'utf8', callback);
+     * ```
+     *
+     * It is unsafe to use `fs.writeFile()` multiple times on the same file without
+     * waiting for the callback. For this scenario, {@link createWriteStream} is
+     * recommended.
+     *
+     * Similarly to `fs.readFile` \- `fs.writeFile` is a convenience method that
+     * performs multiple `write` calls internally to write the buffer passed to it.
+     * For performance sensitive code consider using {@link createWriteStream}.
+     *
+     * It is possible to use an `AbortSignal` to cancel an `fs.writeFile()`.
+     * Cancelation is "best effort", and some amount of data is likely still
+     * to be written.
+     *
+     * ```js
+     * import { writeFile } from 'fs';
+     * import { Buffer } from 'buffer';
+     *
+     * const controller = new AbortController();
+     * const { signal } = controller;
+     * const data = new Uint8Array(Buffer.from('Hello Node.js'));
+     * writeFile('message.txt', data, { signal }, (err) => {
+     *   // When a request is aborted - the callback is called with an AbortError
+     * });
+     * // When the request should be aborted
+     * controller.abort();
+     * ```
+     *
+     * Aborting an ongoing request does not abort individual operating
+     * system requests but rather the internal buffering `fs.writeFile` performs.
+     * @since v0.1.29
+     * @param file filename or file descriptor
+     */
+    export function writeFile(file: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, options: WriteFileOptions, callback: NoParamCallback): void;
+    /**
+     * Asynchronously writes data to a file, replacing the file if it already exists.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string.
+     */
+    export function writeFile(path: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, callback: NoParamCallback): void;
+    export namespace writeFile {
+        /**
+         * Asynchronously writes data to a file, replacing the file if it already exists.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+         * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string.
+         * @param options Either the encoding for the file, or an object optionally specifying the encoding, file mode, and flag.
+         * If `encoding` is not supplied, the default of `'utf8'` is used.
+         * If `mode` is not supplied, the default of `0o666` is used.
+         * If `mode` is a string, it is parsed as an octal integer.
+         * If `flag` is not supplied, the default of `'w'` is used.
+         */
+        function __promisify__(path: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, options?: WriteFileOptions): Promise<void>;
+    }
+    /**
+     * Returns `undefined`.
+     *
+     * The `mode` option only affects the newly created file. See {@link open} for more details.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link writeFile}.
+     * @since v0.1.29
+     * @param file filename or file descriptor
+     */
+    export function writeFileSync(file: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, options?: WriteFileOptions): void;
+    /**
+     * Asynchronously append data to a file, creating the file if it does not yet
+     * exist. `data` can be a string or a `Buffer`.
+     *
+     * The `mode` option only affects the newly created file. See {@link open} for more details.
+     *
+     * ```js
+     * import { appendFile } from 'fs';
+     *
+     * appendFile('message.txt', 'data to append', (err) => {
+     *   if (err) throw err;
+     *   console.log('The "data to append" was appended to file!');
+     * });
+     * ```
+     *
+     * If `options` is a string, then it specifies the encoding:
+     *
+     * ```js
+     * import { appendFile } from 'fs';
+     *
+     * appendFile('message.txt', 'data to append', 'utf8', callback);
+     * ```
+     *
+     * The `path` may be specified as a numeric file descriptor that has been opened
+     * for appending (using `fs.open()` or `fs.openSync()`). The file descriptor will
+     * not be closed automatically.
+     *
+     * ```js
+     * import { open, close, appendFile } from 'fs';
+     *
+     * function closeFd(fd) {
+     *   close(fd, (err) => {
+     *     if (err) throw err;
+     *   });
+     * }
+     *
+     * open('message.txt', 'a', (err, fd) => {
+     *   if (err) throw err;
+     *
+     *   try {
+     *     appendFile(fd, 'data to append', 'utf8', (err) => {
+     *       closeFd(fd);
+     *       if (err) throw err;
+     *     });
+     *   } catch (err) {
+     *     closeFd(fd);
+     *     throw err;
+     *   }
+     * });
+     * ```
+     * @since v0.6.7
+     * @param path filename or file descriptor
+     */
+    export function appendFile(path: PathOrFileDescriptor, data: string | Uint8Array, options: WriteFileOptions, callback: NoParamCallback): void;
+    /**
+     * Asynchronously append data to a file, creating the file if it does not exist.
+     * @param file A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string.
+     */
+    export function appendFile(file: PathOrFileDescriptor, data: string | Uint8Array, callback: NoParamCallback): void;
+    export namespace appendFile {
+        /**
+         * Asynchronously append data to a file, creating the file if it does not exist.
+         * @param file A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+         * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string.
+         * @param options Either the encoding for the file, or an object optionally specifying the encoding, file mode, and flag.
+         * If `encoding` is not supplied, the default of `'utf8'` is used.
+         * If `mode` is not supplied, the default of `0o666` is used.
+         * If `mode` is a string, it is parsed as an octal integer.
+         * If `flag` is not supplied, the default of `'a'` is used.
+         */
+        function __promisify__(file: PathOrFileDescriptor, data: string | Uint8Array, options?: WriteFileOptions): Promise<void>;
+    }
+    /**
+     * Synchronously append data to a file, creating the file if it does not yet
+     * exist. `data` can be a string or a `Buffer`.
+     *
+     * The `mode` option only affects the newly created file. See {@link open} for more details.
+     *
+     * ```js
+     * import { appendFileSync } from 'fs';
+     *
+     * try {
+     *   appendFileSync('message.txt', 'data to append');
+     *   console.log('The "data to append" was appended to file!');
+     * } catch (err) {
+     *   // Handle the error
+     * }
+     * ```
+     *
+     * If `options` is a string, then it specifies the encoding:
+     *
+     * ```js
+     * import { appendFileSync } from 'fs';
+     *
+     * appendFileSync('message.txt', 'data to append', 'utf8');
+     * ```
+     *
+     * The `path` may be specified as a numeric file descriptor that has been opened
+     * for appending (using `fs.open()` or `fs.openSync()`). The file descriptor will
+     * not be closed automatically.
+     *
+     * ```js
+     * import { openSync, closeSync, appendFileSync } from 'fs';
+     *
+     * let fd;
+     *
+     * try {
+     *   fd = openSync('message.txt', 'a');
+     *   appendFileSync(fd, 'data to append', 'utf8');
+     * } catch (err) {
+     *   // Handle the error
+     * } finally {
+     *   if (fd !== undefined)
+     *     closeSync(fd);
+     * }
+     * ```
+     * @since v0.6.7
+     * @param path filename or file descriptor
+     */
+    export function appendFileSync(path: PathOrFileDescriptor, data: string | Uint8Array, options?: WriteFileOptions): void;
+    /**
+     * Watch for changes on `filename`. The callback `listener` will be called each
+     * time the file is accessed.
+     *
+     * The `options` argument may be omitted. If provided, it should be an object. The`options` object may contain a boolean named `persistent` that indicates
+     * whether the process should continue to run as long as files are being watched.
+     * The `options` object may specify an `interval` property indicating how often the
+     * target should be polled in milliseconds.
+     *
+     * The `listener` gets two arguments the current stat object and the previous
+     * stat object:
+     *
+     * ```js
+     * import { watchFile } from 'fs';
+     *
+     * watchFile('message.text', (curr, prev) => {
+     *   console.log(`the current mtime is: ${curr.mtime}`);
+     *   console.log(`the previous mtime was: ${prev.mtime}`);
+     * });
+     * ```
+     *
+     * These stat objects are instances of `fs.Stat`. If the `bigint` option is `true`,
+     * the numeric values in these objects are specified as `BigInt`s.
+     *
+     * To be notified when the file was modified, not just accessed, it is necessary
+     * to compare `curr.mtimeMs` and `prev.mtimeMs`.
+     *
+     * When an `fs.watchFile` operation results in an `ENOENT` error, it
+     * will invoke the listener once, with all the fields zeroed (or, for dates, the
+     * Unix Epoch). If the file is created later on, the listener will be called
+     * again, with the latest stat objects. This is a change in functionality since
+     * v0.10.
+     *
+     * Using {@link watch} is more efficient than `fs.watchFile` and`fs.unwatchFile`. `fs.watch` should be used instead of `fs.watchFile` and`fs.unwatchFile` when possible.
+     *
+     * When a file being watched by `fs.watchFile()` disappears and reappears,
+     * then the contents of `previous` in the second callback event (the file's
+     * reappearance) will be the same as the contents of `previous` in the first
+     * callback event (its disappearance).
+     *
+     * This happens when:
+     *
+     * * the file is deleted, followed by a restore
+     * * the file is renamed and then renamed a second time back to its original name
+     * @since v0.1.31
+     */
+    export interface WatchFileOptions {
+        bigint?: boolean | undefined;
+        persistent?: boolean | undefined;
+        interval?: number | undefined;
+    }
+    /**
+     * Watch for changes on `filename`. The callback `listener` will be called each
+     * time the file is accessed.
+     *
+     * The `options` argument may be omitted. If provided, it should be an object. The`options` object may contain a boolean named `persistent` that indicates
+     * whether the process should continue to run as long as files are being watched.
+     * The `options` object may specify an `interval` property indicating how often the
+     * target should be polled in milliseconds.
+     *
+     * The `listener` gets two arguments the current stat object and the previous
+     * stat object:
+     *
+     * ```js
+     * import { watchFile } from 'fs';
+     *
+     * watchFile('message.text', (curr, prev) => {
+     *   console.log(`the current mtime is: ${curr.mtime}`);
+     *   console.log(`the previous mtime was: ${prev.mtime}`);
+     * });
+     * ```
+     *
+     * These stat objects are instances of `fs.Stat`. If the `bigint` option is `true`,
+     * the numeric values in these objects are specified as `BigInt`s.
+     *
+     * To be notified when the file was modified, not just accessed, it is necessary
+     * to compare `curr.mtimeMs` and `prev.mtimeMs`.
+     *
+     * When an `fs.watchFile` operation results in an `ENOENT` error, it
+     * will invoke the listener once, with all the fields zeroed (or, for dates, the
+     * Unix Epoch). If the file is created later on, the listener will be called
+     * again, with the latest stat objects. This is a change in functionality since
+     * v0.10.
+     *
+     * Using {@link watch} is more efficient than `fs.watchFile` and`fs.unwatchFile`. `fs.watch` should be used instead of `fs.watchFile` and`fs.unwatchFile` when possible.
+     *
+     * When a file being watched by `fs.watchFile()` disappears and reappears,
+     * then the contents of `previous` in the second callback event (the file's
+     * reappearance) will be the same as the contents of `previous` in the first
+     * callback event (its disappearance).
+     *
+     * This happens when:
+     *
+     * * the file is deleted, followed by a restore
+     * * the file is renamed and then renamed a second time back to its original name
+     * @since v0.1.31
+     */
+    export function watchFile(
+        filename: PathLike,
+        options:
+            | (WatchFileOptions & {
+                  bigint?: false | undefined;
+              })
+            | undefined,
+        listener: (curr: Stats, prev: Stats) => void
+    ): StatWatcher;
+    export function watchFile(
+        filename: PathLike,
+        options:
+            | (WatchFileOptions & {
+                  bigint: true;
+              })
+            | undefined,
+        listener: (curr: BigIntStats, prev: BigIntStats) => void
+    ): StatWatcher;
+    /**
+     * Watch for changes on `filename`. The callback `listener` will be called each time the file is accessed.
+     * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function watchFile(filename: PathLike, listener: (curr: Stats, prev: Stats) => void): StatWatcher;
+    /**
+     * Stop watching for changes on `filename`. If `listener` is specified, only that
+     * particular listener is removed. Otherwise, _all_ listeners are removed,
+     * effectively stopping watching of `filename`.
+     *
+     * Calling `fs.unwatchFile()` with a filename that is not being watched is a
+     * no-op, not an error.
+     *
+     * Using {@link watch} is more efficient than `fs.watchFile()` and`fs.unwatchFile()`. `fs.watch()` should be used instead of `fs.watchFile()`and `fs.unwatchFile()` when possible.
+     * @since v0.1.31
+     * @param listener Optional, a listener previously attached using `fs.watchFile()`
+     */
+    export function unwatchFile(filename: PathLike, listener?: (curr: Stats, prev: Stats) => void): void;
+    export interface WatchOptions extends Abortable {
+        encoding?: BufferEncoding | 'buffer' | undefined;
+        persistent?: boolean | undefined;
+        recursive?: boolean | undefined;
+    }
+    export type WatchEventType = 'rename' | 'change';
+    export type WatchListener<T> = (event: WatchEventType, filename: T) => void;
+    /**
+     * Watch for changes on `filename`, where `filename` is either a file or a
+     * directory.
+     *
+     * The second argument is optional. If `options` is provided as a string, it
+     * specifies the `encoding`. Otherwise `options` should be passed as an object.
+     *
+     * The listener callback gets two arguments `(eventType, filename)`. `eventType`is either `'rename'` or `'change'`, and `filename` is the name of the file
+     * which triggered the event.
+     *
+     * On most platforms, `'rename'` is emitted whenever a filename appears or
+     * disappears in the directory.
+     *
+     * The listener callback is attached to the `'change'` event fired by `fs.FSWatcher`, but it is not the same thing as the `'change'` value of`eventType`.
+     *
+     * If a `signal` is passed, aborting the corresponding AbortController will close
+     * the returned `fs.FSWatcher`.
+     * @since v0.5.10
+     * @param listener
+     */
+    export function watch(
+        filename: PathLike,
+        options:
+            | (WatchOptions & {
+                  encoding: 'buffer';
+              })
+            | 'buffer',
+        listener?: WatchListener<Buffer>
+    ): FSWatcher;
+    /**
+     * Watch for changes on `filename`, where `filename` is either a file or a directory, returning an `FSWatcher`.
+     * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the encoding for the filename provided to the listener, or an object optionally specifying encoding, persistent, and recursive options.
+     * If `encoding` is not supplied, the default of `'utf8'` is used.
+     * If `persistent` is not supplied, the default of `true` is used.
+     * If `recursive` is not supplied, the default of `false` is used.
+     */
+    export function watch(filename: PathLike, options?: WatchOptions | BufferEncoding | null, listener?: WatchListener<string>): FSWatcher;
+    /**
+     * Watch for changes on `filename`, where `filename` is either a file or a directory, returning an `FSWatcher`.
+     * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the encoding for the filename provided to the listener, or an object optionally specifying encoding, persistent, and recursive options.
+     * If `encoding` is not supplied, the default of `'utf8'` is used.
+     * If `persistent` is not supplied, the default of `true` is used.
+     * If `recursive` is not supplied, the default of `false` is used.
+     */
+    export function watch(filename: PathLike, options: WatchOptions | string, listener?: WatchListener<string | Buffer>): FSWatcher;
+    /**
+     * Watch for changes on `filename`, where `filename` is either a file or a directory, returning an `FSWatcher`.
+     * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function watch(filename: PathLike, listener?: WatchListener<string>): FSWatcher;
+    /**
+     * Test whether or not the given path exists by checking with the file system.
+     * Then call the `callback` argument with either true or false:
+     *
+     * ```js
+     * import { exists } from 'fs';
+     *
+     * exists('/etc/passwd', (e) => {
+     *   console.log(e ? 'it exists' : 'no passwd!');
+     * });
+     * ```
+     *
+     * **The parameters for this callback are not consistent with other Node.js**
+     * **callbacks.** Normally, the first parameter to a Node.js callback is an `err`parameter, optionally followed by other parameters. The `fs.exists()` callback
+     * has only one boolean parameter. This is one reason `fs.access()` is recommended
+     * instead of `fs.exists()`.
+     *
+     * Using `fs.exists()` to check for the existence of a file before calling`fs.open()`, `fs.readFile()` or `fs.writeFile()` is not recommended. Doing
+     * so introduces a race condition, since other processes may change the file's
+     * state between the two calls. Instead, user code should open/read/write the
+     * file directly and handle the error raised if the file does not exist.
+     *
+     * **write (NOT RECOMMENDED)**
+     *
+     * ```js
+     * import { exists, open, close } from 'fs';
+     *
+     * exists('myfile', (e) => {
+     *   if (e) {
+     *     console.error('myfile already exists');
+     *   } else {
+     *     open('myfile', 'wx', (err, fd) => {
+     *       if (err) throw err;
+     *
+     *       try {
+     *         writeMyData(fd);
+     *       } finally {
+     *         close(fd, (err) => {
+     *           if (err) throw err;
+     *         });
+     *       }
+     *     });
+     *   }
+     * });
+     * ```
+     *
+     * **write (RECOMMENDED)**
+     *
+     * ```js
+     * import { open, close } from 'fs';
+     * open('myfile', 'wx', (err, fd) => {
+     *   if (err) {
+     *     if (err.code === 'EEXIST') {
+     *       console.error('myfile already exists');
+     *       return;
+     *     }
+     *
+     *     throw err;
+     *   }
+     *
+     *   try {
+     *     writeMyData(fd);
+     *   } finally {
+     *     close(fd, (err) => {
+     *       if (err) throw err;
+     *     });
+     *   }
+     * });
+     * ```
+     *
+     * **read (NOT RECOMMENDED)**
+     *
+     * ```js
+     * import { open, close, exists } from 'fs';
+     *
+     * exists('myfile', (e) => {
+     *   if (e) {
+     *     open('myfile', 'r', (err, fd) => {
+     *       if (err) throw err;
+     *
+     *       try {
+     *         readMyData(fd);
+     *       } finally {
+     *         close(fd, (err) => {
+     *           if (err) throw err;
+     *         });
+     *       }
+     *     });
+     *   } else {
+     *     console.error('myfile does not exist');
+     *   }
+     * });
+     * ```
+     *
+     * **read (RECOMMENDED)**
+     *
+     * ```js
+     * import { open, close } from 'fs';
+     *
+     * open('myfile', 'r', (err, fd) => {
+     *   if (err) {
+     *     if (err.code === 'ENOENT') {
+     *       console.error('myfile does not exist');
+     *       return;
+     *     }
+     *
+     *     throw err;
+     *   }
+     *
+     *   try {
+     *     readMyData(fd);
+     *   } finally {
+     *     close(fd, (err) => {
+     *       if (err) throw err;
+     *     });
+     *   }
+     * });
+     * ```
+     *
+     * The "not recommended" examples above check for existence and then use the
+     * file; the "recommended" examples are better because they use the file directly
+     * and handle the error, if any.
+     *
+     * In general, check for the existence of a file only if the file won’t be
+     * used directly, for example when its existence is a signal from another
+     * process.
+     * @since v0.0.2
+     * @deprecated Since v1.0.0 - Use {@link stat} or {@link access} instead.
+     */
+    export function exists(path: PathLike, callback: (exists: boolean) => void): void;
+    /** @deprecated */
+    export namespace exists {
+        /**
+         * @param path A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         */
+        function __promisify__(path: PathLike): Promise<boolean>;
+    }
+    /**
+     * Returns `true` if the path exists, `false` otherwise.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link exists}.
+     *
+     * `fs.exists()` is deprecated, but `fs.existsSync()` is not. The `callback`parameter to `fs.exists()` accepts parameters that are inconsistent with other
+     * Node.js callbacks. `fs.existsSync()` does not use a callback.
+     *
+     * ```js
+     * import { existsSync } from 'fs';
+     *
+     * if (existsSync('/etc/passwd'))
+     *   console.log('The path exists.');
+     * ```
+     * @since v0.1.21
+     */
+    export function existsSync(path: PathLike): boolean;
+    export namespace constants {
+        // File Access Constants
+        /** Constant for fs.access(). File is visible to the calling process. */
+        const F_OK: number;
+        /** Constant for fs.access(). File can be read by the calling process. */
+        const R_OK: number;
+        /** Constant for fs.access(). File can be written by the calling process. */
+        const W_OK: number;
+        /** Constant for fs.access(). File can be executed by the calling process. */
+        const X_OK: number;
+        // File Copy Constants
+        /** Constant for fs.copyFile. Flag indicating the destination file should not be overwritten if it already exists. */
+        const COPYFILE_EXCL: number;
+        /**
+         * Constant for fs.copyFile. copy operation will attempt to create a copy-on-write reflink.
+         * If the underlying platform does not support copy-on-write, then a fallback copy mechanism is used.
+         */
+        const COPYFILE_FICLONE: number;
+        /**
+         * Constant for fs.copyFile. Copy operation will attempt to create a copy-on-write reflink.
+         * If the underlying platform does not support copy-on-write, then the operation will fail with an error.
+         */
+        const COPYFILE_FICLONE_FORCE: number;
+        // File Open Constants
+        /** Constant for fs.open(). Flag indicating to open a file for read-only access. */
+        const O_RDONLY: number;
+        /** Constant for fs.open(). Flag indicating to open a file for write-only access. */
+        const O_WRONLY: number;
+        /** Constant for fs.open(). Flag indicating to open a file for read-write access. */
+        const O_RDWR: number;
+        /** Constant for fs.open(). Flag indicating to create the file if it does not already exist. */
+        const O_CREAT: number;
+        /** Constant for fs.open(). Flag indicating that opening a file should fail if the O_CREAT flag is set and the file already exists. */
+        const O_EXCL: number;
+        /**
+         * Constant for fs.open(). Flag indicating that if path identifies a terminal device,
+         * opening the path shall not cause that terminal to become the controlling terminal for the process
+         * (if the process does not already have one).
+         */
+        const O_NOCTTY: number;
+        /** Constant for fs.open(). Flag indicating that if the file exists and is a regular file, and the file is opened successfully for write access, its length shall be truncated to zero. */
+        const O_TRUNC: number;
+        /** Constant for fs.open(). Flag indicating that data will be appended to the end of the file. */
+        const O_APPEND: number;
+        /** Constant for fs.open(). Flag indicating that the open should fail if the path is not a directory. */
+        const O_DIRECTORY: number;
+        /**
+         * constant for fs.open().
+         * Flag indicating reading accesses to the file system will no longer result in
+         * an update to the atime information associated with the file.
+         * This flag is available on Linux operating systems only.
+         */
+        const O_NOATIME: number;
+        /** Constant for fs.open(). Flag indicating that the open should fail if the path is a symbolic link. */
+        const O_NOFOLLOW: number;
+        /** Constant for fs.open(). Flag indicating that the file is opened for synchronous I/O. */
+        const O_SYNC: number;
+        /** Constant for fs.open(). Flag indicating that the file is opened for synchronous I/O with write operations waiting for data integrity. */
+        const O_DSYNC: number;
+        /** Constant for fs.open(). Flag indicating to open the symbolic link itself rather than the resource it is pointing to. */
+        const O_SYMLINK: number;
+        /** Constant for fs.open(). When set, an attempt will be made to minimize caching effects of file I/O. */
+        const O_DIRECT: number;
+        /** Constant for fs.open(). Flag indicating to open the file in nonblocking mode when possible. */
+        const O_NONBLOCK: number;
+        // File Type Constants
+        /** Constant for fs.Stats mode property for determining a file's type. Bit mask used to extract the file type code. */
+        const S_IFMT: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a regular file. */
+        const S_IFREG: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a directory. */
+        const S_IFDIR: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a character-oriented device file. */
+        const S_IFCHR: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a block-oriented device file. */
+        const S_IFBLK: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a FIFO/pipe. */
+        const S_IFIFO: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a symbolic link. */
+        const S_IFLNK: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a socket. */
+        const S_IFSOCK: number;
+        // File Mode Constants
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable, writable and executable by owner. */
+        const S_IRWXU: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable by owner. */
+        const S_IRUSR: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating writable by owner. */
+        const S_IWUSR: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating executable by owner. */
+        const S_IXUSR: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable, writable and executable by group. */
+        const S_IRWXG: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable by group. */
+        const S_IRGRP: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating writable by group. */
+        const S_IWGRP: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating executable by group. */
+        const S_IXGRP: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable, writable and executable by others. */
+        const S_IRWXO: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable by others. */
+        const S_IROTH: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating writable by others. */
+        const S_IWOTH: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating executable by others. */
+        const S_IXOTH: number;
+        /**
+         * When set, a memory file mapping is used to access the file. This flag
+         * is available on Windows operating systems only. On other operating systems,
+         * this flag is ignored.
+         */
+        const UV_FS_O_FILEMAP: number;
+    }
+    /**
+     * Tests a user's permissions for the file or directory specified by `path`.
+     * The `mode` argument is an optional integer that specifies the accessibility
+     * checks to be performed. `mode` should be either the value `fs.constants.F_OK`or a mask consisting of the bitwise OR of any of `fs.constants.R_OK`,`fs.constants.W_OK`, and `fs.constants.X_OK`
+     * (e.g.`fs.constants.W_OK | fs.constants.R_OK`). Check `File access constants` for
+     * possible values of `mode`.
+     *
+     * The final argument, `callback`, is a callback function that is invoked with
+     * a possible error argument. If any of the accessibility checks fail, the error
+     * argument will be an `Error` object. The following examples check if`package.json` exists, and if it is readable or writable.
+     *
+     * ```js
+     * import { access, constants } from 'fs';
+     *
+     * const file = 'package.json';
+     *
+     * // Check if the file exists in the current directory.
+     * access(file, constants.F_OK, (err) => {
+     *   console.log(`${file} ${err ? 'does not exist' : 'exists'}`);
+     * });
+     *
+     * // Check if the file is readable.
+     * access(file, constants.R_OK, (err) => {
+     *   console.log(`${file} ${err ? 'is not readable' : 'is readable'}`);
+     * });
+     *
+     * // Check if the file is writable.
+     * access(file, constants.W_OK, (err) => {
+     *   console.log(`${file} ${err ? 'is not writable' : 'is writable'}`);
+     * });
+     *
+     * // Check if the file is readable and writable.
+     * access(file, constants.R_OK | constants.W_OK, (err) => {
+     *   console.log(`${file} ${err ? 'is not' : 'is'} readable and writable`);
+     * });
+     * ```
+     *
+     * Do not use `fs.access()` to check for the accessibility of a file before calling`fs.open()`, `fs.readFile()` or `fs.writeFile()`. Doing
+     * so introduces a race condition, since other processes may change the file's
+     * state between the two calls. Instead, user code should open/read/write the
+     * file directly and handle the error raised if the file is not accessible.
+     *
+     * **write (NOT RECOMMENDED)**
+     *
+     * ```js
+     * import { access, open, close } from 'fs';
+     *
+     * access('myfile', (err) => {
+     *   if (!err) {
+     *     console.error('myfile already exists');
+     *     return;
+     *   }
+     *
+     *   open('myfile', 'wx', (err, fd) => {
+     *     if (err) throw err;
+     *
+     *     try {
+     *       writeMyData(fd);
+     *     } finally {
+     *       close(fd, (err) => {
+     *         if (err) throw err;
+     *       });
+     *     }
+     *   });
+     * });
+     * ```
+     *
+     * **write (RECOMMENDED)**
+     *
+     * ```js
+     * import { open, close } from 'fs';
+     *
+     * open('myfile', 'wx', (err, fd) => {
+     *   if (err) {
+     *     if (err.code === 'EEXIST') {
+     *       console.error('myfile already exists');
+     *       return;
+     *     }
+     *
+     *     throw err;
+     *   }
+     *
+     *   try {
+     *     writeMyData(fd);
+     *   } finally {
+     *     close(fd, (err) => {
+     *       if (err) throw err;
+     *     });
+     *   }
+     * });
+     * ```
+     *
+     * **read (NOT RECOMMENDED)**
+     *
+     * ```js
+     * import { access, open, close } from 'fs';
+     * access('myfile', (err) => {
+     *   if (err) {
+     *     if (err.code === 'ENOENT') {
+     *       console.error('myfile does not exist');
+     *       return;
+     *     }
+     *
+     *     throw err;
+     *   }
+     *
+     *   open('myfile', 'r', (err, fd) => {
+     *     if (err) throw err;
+     *
+     *     try {
+     *       readMyData(fd);
+     *     } finally {
+     *       close(fd, (err) => {
+     *         if (err) throw err;
+     *       });
+     *     }
+     *   });
+     * });
+     * ```
+     *
+     * **read (RECOMMENDED)**
+     *
+     * ```js
+     * import { open, close } from 'fs';
+     *
+     * open('myfile', 'r', (err, fd) => {
+     *   if (err) {
+     *     if (err.code === 'ENOENT') {
+     *       console.error('myfile does not exist');
+     *       return;
+     *     }
+     *
+     *     throw err;
+     *   }
+     *
+     *   try {
+     *     readMyData(fd);
+     *   } finally {
+     *     close(fd, (err) => {
+     *       if (err) throw err;
+     *     });
+     *   }
+     * });
+     * ```
+     *
+     * The "not recommended" examples above check for accessibility and then use the
+     * file; the "recommended" examples are better because they use the file directly
+     * and handle the error, if any.
+     *
+     * In general, check for the accessibility of a file only if the file will not be
+     * used directly, for example when its accessibility is a signal from another
+     * process.
+     *
+     * On Windows, access-control policies (ACLs) on a directory may limit access to
+     * a file or directory. The `fs.access()` function, however, does not check the
+     * ACL and therefore may report that a path is accessible even if the ACL restricts
+     * the user from reading or writing to it.
+     * @since v0.11.15
+     * @param [mode=fs.constants.F_OK]
+     */
+    export function access(path: PathLike, mode: number | undefined, callback: NoParamCallback): void;
+    /**
+     * Asynchronously tests a user's permissions for the file specified by path.
+     * @param path A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function access(path: PathLike, callback: NoParamCallback): void;
+    export namespace access {
+        /**
+         * Asynchronously tests a user's permissions for the file specified by path.
+         * @param path A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         */
+        function __promisify__(path: PathLike, mode?: number): Promise<void>;
+    }
+    /**
+     * Synchronously tests a user's permissions for the file or directory specified
+     * by `path`. The `mode` argument is an optional integer that specifies the
+     * accessibility checks to be performed. `mode` should be either the value`fs.constants.F_OK` or a mask consisting of the bitwise OR of any of`fs.constants.R_OK`, `fs.constants.W_OK`, and
+     * `fs.constants.X_OK` (e.g.`fs.constants.W_OK | fs.constants.R_OK`). Check `File access constants` for
+     * possible values of `mode`.
+     *
+     * If any of the accessibility checks fail, an `Error` will be thrown. Otherwise,
+     * the method will return `undefined`.
+     *
+     * ```js
+     * import { accessSync, constants } from 'fs';
+     *
+     * try {
+     *   accessSync('etc/passwd', constants.R_OK | constants.W_OK);
+     *   console.log('can read/write');
+     * } catch (err) {
+     *   console.error('no access!');
+     * }
+     * ```
+     * @since v0.11.15
+     * @param [mode=fs.constants.F_OK]
+     */
+    export function accessSync(path: PathLike, mode?: number): void;
+    interface StreamOptions {
+        flags?: string | undefined;
+        encoding?: BufferEncoding | undefined;
+        fd?: number | promises.FileHandle | undefined;
+        mode?: number | undefined;
+        autoClose?: boolean | undefined;
+        /**
+         * @default false
+         */
+        emitClose?: boolean | undefined;
+        start?: number | undefined;
+        highWaterMark?: number | undefined;
+    }
+    interface ReadStreamOptions extends StreamOptions {
+        end?: number | undefined;
+    }
+    /**
+     * Unlike the 16 kb default `highWaterMark` for a `stream.Readable`, the stream
+     * returned by this method has a default `highWaterMark` of 64 kb.
+     *
+     * `options` can include `start` and `end` values to read a range of bytes from
+     * the file instead of the entire file. Both `start` and `end` are inclusive and
+     * start counting at 0, allowed values are in the
+     * \[0, [`Number.MAX_SAFE_INTEGER`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER)\] range. If `fd` is specified and `start` is
+     * omitted or `undefined`, `fs.createReadStream()` reads sequentially from the
+     * current file position. The `encoding` can be any one of those accepted by `Buffer`.
+     *
+     * If `fd` is specified, `ReadStream` will ignore the `path` argument and will use
+     * the specified file descriptor. This means that no `'open'` event will be
+     * emitted. `fd` should be blocking; non-blocking `fd`s should be passed to `net.Socket`.
+     *
+     * If `fd` points to a character device that only supports blocking reads
+     * (such as keyboard or sound card), read operations do not finish until data is
+     * available. This can prevent the process from exiting and the stream from
+     * closing naturally.
+     *
+     * By default, the stream will emit a `'close'` event after it has been
+     * destroyed.  Set the `emitClose` option to `false` to change this behavior.
+     *
+     * By providing the `fs` option, it is possible to override the corresponding `fs`implementations for `open`, `read`, and `close`. When providing the `fs` option,
+     * an override for `read` is required. If no `fd` is provided, an override for`open` is also required. If `autoClose` is `true`, an override for `close` is
+     * also required.
+     *
+     * ```js
+     * import { createReadStream } from 'fs';
+     *
+     * // Create a stream from some character device.
+     * const stream = createReadStream('/dev/input/event0');
+     * setTimeout(() => {
+     *   stream.close(); // This may not close the stream.
+     *   // Artificially marking end-of-stream, as if the underlying resource had
+     *   // indicated end-of-file by itself, allows the stream to close.
+     *   // This does not cancel pending read operations, and if there is such an
+     *   // operation, the process may still not be able to exit successfully
+     *   // until it finishes.
+     *   stream.push(null);
+     *   stream.read(0);
+     * }, 100);
+     * ```
+     *
+     * If `autoClose` is false, then the file descriptor won't be closed, even if
+     * there's an error. It is the application's responsibility to close it and make
+     * sure there's no file descriptor leak. If `autoClose` is set to true (default
+     * behavior), on `'error'` or `'end'` the file descriptor will be closed
+     * automatically.
+     *
+     * `mode` sets the file mode (permission and sticky bits), but only if the
+     * file was created.
+     *
+     * An example to read the last 10 bytes of a file which is 100 bytes long:
+     *
+     * ```js
+     * import { createReadStream } from 'fs';
+     *
+     * createReadStream('sample.txt', { start: 90, end: 99 });
+     * ```
+     *
+     * If `options` is a string, then it specifies the encoding.
+     * @since v0.1.31
+     */
+    export function createReadStream(path: PathLike, options?: BufferEncoding | ReadStreamOptions): ReadStream;
+    /**
+     * `options` may also include a `start` option to allow writing data at some
+     * position past the beginning of the file, allowed values are in the
+     * \[0, [`Number.MAX_SAFE_INTEGER`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER)\] range. Modifying a file rather than
+     * replacing it may require the `flags` option to be set to `r+` rather than the
+     * default `w`. The `encoding` can be any one of those accepted by `Buffer`.
+     *
+     * If `autoClose` is set to true (default behavior) on `'error'` or `'finish'`the file descriptor will be closed automatically. If `autoClose` is false,
+     * then the file descriptor won't be closed, even if there's an error.
+     * It is the application's responsibility to close it and make sure there's no
+     * file descriptor leak.
+     *
+     * By default, the stream will emit a `'close'` event after it has been
+     * destroyed.  Set the `emitClose` option to `false` to change this behavior.
+     *
+     * By providing the `fs` option it is possible to override the corresponding `fs`implementations for `open`, `write`, `writev` and `close`. Overriding `write()`without `writev()` can reduce
+     * performance as some optimizations (`_writev()`)
+     * will be disabled. When providing the `fs` option, overrides for at least one of`write` and `writev` are required. If no `fd` option is supplied, an override
+     * for `open` is also required. If `autoClose` is `true`, an override for `close`is also required.
+     *
+     * Like `fs.ReadStream`, if `fd` is specified, `fs.WriteStream` will ignore the`path` argument and will use the specified file descriptor. This means that no`'open'` event will be
+     * emitted. `fd` should be blocking; non-blocking `fd`s
+     * should be passed to `net.Socket`.
+     *
+     * If `options` is a string, then it specifies the encoding.
+     * @since v0.1.31
+     */
+    export function createWriteStream(path: PathLike, options?: BufferEncoding | StreamOptions): WriteStream;
+    /**
+     * Forces all currently queued I/O operations associated with the file to the
+     * operating system's synchronized I/O completion state. Refer to the POSIX [`fdatasync(2)`](http://man7.org/linux/man-pages/man2/fdatasync.2.html) documentation for details. No arguments other
+     * than a possible
+     * exception are given to the completion callback.
+     * @since v0.1.96
+     */
+    export function fdatasync(fd: number, callback: NoParamCallback): void;
+    export namespace fdatasync {
+        /**
+         * Asynchronous fdatasync(2) - synchronize a file's in-core state with storage device.
+         * @param fd A file descriptor.
+         */
+        function __promisify__(fd: number): Promise<void>;
+    }
+    /**
+     * Forces all currently queued I/O operations associated with the file to the
+     * operating system's synchronized I/O completion state. Refer to the POSIX [`fdatasync(2)`](http://man7.org/linux/man-pages/man2/fdatasync.2.html) documentation for details. Returns `undefined`.
+     * @since v0.1.96
+     */
+    export function fdatasyncSync(fd: number): void;
+    /**
+     * Asynchronously copies `src` to `dest`. By default, `dest` is overwritten if it
+     * already exists. No arguments other than a possible exception are given to the
+     * callback function. Node.js makes no guarantees about the atomicity of the copy
+     * operation. If an error occurs after the destination file has been opened for
+     * writing, Node.js will attempt to remove the destination.
+     *
+     * `mode` is an optional integer that specifies the behavior
+     * of the copy operation. It is possible to create a mask consisting of the bitwise
+     * OR of two or more values (e.g.`fs.constants.COPYFILE_EXCL | fs.constants.COPYFILE_FICLONE`).
+     *
+     * * `fs.constants.COPYFILE_EXCL`: The copy operation will fail if `dest` already
+     * exists.
+     * * `fs.constants.COPYFILE_FICLONE`: The copy operation will attempt to create a
+     * copy-on-write reflink. If the platform does not support copy-on-write, then a
+     * fallback copy mechanism is used.
+     * * `fs.constants.COPYFILE_FICLONE_FORCE`: The copy operation will attempt to
+     * create a copy-on-write reflink. If the platform does not support
+     * copy-on-write, then the operation will fail.
+     *
+     * ```js
+     * import { copyFile, constants } from 'fs';
+     *
+     * function callback(err) {
+     *   if (err) throw err;
+     *   console.log('source.txt was copied to destination.txt');
+     * }
+     *
+     * // destination.txt will be created or overwritten by default.
+     * copyFile('source.txt', 'destination.txt', callback);
+     *
+     * // By using COPYFILE_EXCL, the operation will fail if destination.txt exists.
+     * copyFile('source.txt', 'destination.txt', constants.COPYFILE_EXCL, callback);
+     * ```
+     * @since v8.5.0
+     * @param src source filename to copy
+     * @param dest destination filename of the copy operation
+     * @param [mode=0] modifiers for copy operation.
+     */
+    export function copyFile(src: PathLike, dest: PathLike, callback: NoParamCallback): void;
+    export function copyFile(src: PathLike, dest: PathLike, mode: number, callback: NoParamCallback): void;
+    export namespace copyFile {
+        function __promisify__(src: PathLike, dst: PathLike, mode?: number): Promise<void>;
+    }
+    /**
+     * Synchronously copies `src` to `dest`. By default, `dest` is overwritten if it
+     * already exists. Returns `undefined`. Node.js makes no guarantees about the
+     * atomicity of the copy operation. If an error occurs after the destination file
+     * has been opened for writing, Node.js will attempt to remove the destination.
+     *
+     * `mode` is an optional integer that specifies the behavior
+     * of the copy operation. It is possible to create a mask consisting of the bitwise
+     * OR of two or more values (e.g.`fs.constants.COPYFILE_EXCL | fs.constants.COPYFILE_FICLONE`).
+     *
+     * * `fs.constants.COPYFILE_EXCL`: The copy operation will fail if `dest` already
+     * exists.
+     * * `fs.constants.COPYFILE_FICLONE`: The copy operation will attempt to create a
+     * copy-on-write reflink. If the platform does not support copy-on-write, then a
+     * fallback copy mechanism is used.
+     * * `fs.constants.COPYFILE_FICLONE_FORCE`: The copy operation will attempt to
+     * create a copy-on-write reflink. If the platform does not support
+     * copy-on-write, then the operation will fail.
+     *
+     * ```js
+     * import { copyFileSync, constants } from 'fs';
+     *
+     * // destination.txt will be created or overwritten by default.
+     * copyFileSync('source.txt', 'destination.txt');
+     * console.log('source.txt was copied to destination.txt');
+     *
+     * // By using COPYFILE_EXCL, the operation will fail if destination.txt exists.
+     * copyFileSync('source.txt', 'destination.txt', constants.COPYFILE_EXCL);
+     * ```
+     * @since v8.5.0
+     * @param src source filename to copy
+     * @param dest destination filename of the copy operation
+     * @param [mode=0] modifiers for copy operation.
+     */
+    export function copyFileSync(src: PathLike, dest: PathLike, mode?: number): void;
+    /**
+     * Write an array of `ArrayBufferView`s to the file specified by `fd` using`writev()`.
+     *
+     * `position` is the offset from the beginning of the file where this data
+     * should be written. If `typeof position !== 'number'`, the data will be written
+     * at the current position.
+     *
+     * The callback will be given three arguments: `err`, `bytesWritten`, and`buffers`. `bytesWritten` is how many bytes were written from `buffers`.
+     *
+     * If this method is `util.promisify()` ed, it returns a promise for an`Object` with `bytesWritten` and `buffers` properties.
+     *
+     * It is unsafe to use `fs.writev()` multiple times on the same file without
+     * waiting for the callback. For this scenario, use {@link createWriteStream}.
+     *
+     * On Linux, positional writes don't work when the file is opened in append mode.
+     * The kernel ignores the position argument and always appends the data to
+     * the end of the file.
+     * @since v12.9.0
+     */
+    export function writev(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, cb: (err: NodeJS.ErrnoException | null, bytesWritten: number, buffers: NodeJS.ArrayBufferView[]) => void): void;
+    export function writev(
+        fd: number,
+        buffers: ReadonlyArray<NodeJS.ArrayBufferView>,
+        position: number,
+        cb: (err: NodeJS.ErrnoException | null, bytesWritten: number, buffers: NodeJS.ArrayBufferView[]) => void
+    ): void;
+    export interface WriteVResult {
+        bytesWritten: number;
+        buffers: NodeJS.ArrayBufferView[];
+    }
+    export namespace writev {
+        function __promisify__(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): Promise<WriteVResult>;
+    }
+    /**
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link writev}.
+     * @since v12.9.0
+     * @return The number of bytes written.
+     */
+    export function writevSync(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): number;
+    /**
+     * Read from a file specified by `fd` and write to an array of `ArrayBufferView`s
+     * using `readv()`.
+     *
+     * `position` is the offset from the beginning of the file from where data
+     * should be read. If `typeof position !== 'number'`, the data will be read
+     * from the current position.
+     *
+     * The callback will be given three arguments: `err`, `bytesRead`, and`buffers`. `bytesRead` is how many bytes were read from the file.
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns
+     * a promise for an `Object` with `bytesRead` and `buffers` properties.
+     * @since v13.13.0, v12.17.0
+     */
+    export function readv(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, cb: (err: NodeJS.ErrnoException | null, bytesRead: number, buffers: NodeJS.ArrayBufferView[]) => void): void;
+    export function readv(
+        fd: number,
+        buffers: ReadonlyArray<NodeJS.ArrayBufferView>,
+        position: number,
+        cb: (err: NodeJS.ErrnoException | null, bytesRead: number, buffers: NodeJS.ArrayBufferView[]) => void
+    ): void;
+    export interface ReadVResult {
+        bytesRead: number;
+        buffers: NodeJS.ArrayBufferView[];
+    }
+    export namespace readv {
+        function __promisify__(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): Promise<ReadVResult>;
+    }
+    /**
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link readv}.
+     * @since v13.13.0, v12.17.0
+     * @return The number of bytes read.
+     */
+    export function readvSync(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): number;
+    export interface OpenDirOptions {
+        encoding?: BufferEncoding | undefined;
+        /**
+         * Number of directory entries that are buffered
+         * internally when reading from the directory. Higher values lead to better
+         * performance but higher memory usage.
+         * @default 32
+         */
+        bufferSize?: number | undefined;
+    }
+    /**
+     * Synchronously open a directory. See [`opendir(3)`](http://man7.org/linux/man-pages/man3/opendir.3.html).
+     *
+     * Creates an `fs.Dir`, which contains all further functions for reading from
+     * and cleaning up the directory.
+     *
+     * The `encoding` option sets the encoding for the `path` while opening the
+     * directory and subsequent read operations.
+     * @since v12.12.0
+     */
+    export function opendirSync(path: PathLike, options?: OpenDirOptions): Dir;
+    /**
+     * Asynchronously open a directory. See the POSIX [`opendir(3)`](http://man7.org/linux/man-pages/man3/opendir.3.html) documentation for
+     * more details.
+     *
+     * Creates an `fs.Dir`, which contains all further functions for reading from
+     * and cleaning up the directory.
+     *
+     * The `encoding` option sets the encoding for the `path` while opening the
+     * directory and subsequent read operations.
+     * @since v12.12.0
+     */
+    export function opendir(path: PathLike, cb: (err: NodeJS.ErrnoException | null, dir: Dir) => void): void;
+    export function opendir(path: PathLike, options: OpenDirOptions, cb: (err: NodeJS.ErrnoException | null, dir: Dir) => void): void;
+    export namespace opendir {
+        function __promisify__(path: PathLike, options?: OpenDirOptions): Promise<Dir>;
+    }
+    export interface BigIntStats extends StatsBase<bigint> {
+        atimeNs: bigint;
+        mtimeNs: bigint;
+        ctimeNs: bigint;
+        birthtimeNs: bigint;
+    }
+    export interface BigIntOptions {
+        bigint: true;
+    }
+    export interface StatOptions {
+        bigint?: boolean | undefined;
+    }
+    export interface StatSyncOptions extends StatOptions {
+        throwIfNoEntry?: boolean | undefined;
+    }
+    interface CopyOptionsBase {
+        /**
+         * Dereference symlinks
+         * @default false
+         */
+        dereference?: boolean;
+        /**
+         * When `force` is `false`, and the destination
+         * exists, throw an error.
+         * @default false
+         */
+        errorOnExist?: boolean;
+        /**
+         * Overwrite existing file or directory. _The copy
+         * operation will ignore errors if you set this to false and the destination
+         * exists. Use the `errorOnExist` option to change this behavior.
+         * @default true
+         */
+        force?: boolean;
+        /**
+         * When `true` timestamps from `src` will
+         * be preserved.
+         * @default false
+         */
+        preserveTimestamps?: boolean;
+        /**
+         * Copy directories recursively.
+         * @default false
+         */
+        recursive?: boolean;
+        /**
+         * When true, path resolution for symlinks will be skipped
+         * @default false
+         */
+        verbatimSymlinks?: boolean;
+    }
+    export interface CopyOptions extends CopyOptionsBase {
+        /**
+         * Function to filter copied files/directories. Return
+         * `true` to copy the item, `false` to ignore it.
+         */
+        filter?(source: string, destination: string): boolean | Promise<boolean>;
+    }
+    export interface CopySyncOptions extends CopyOptionsBase {
+        /**
+         * Function to filter copied files/directories. Return
+         * `true` to copy the item, `false` to ignore it.
+         */
+        filter?(source: string, destination: string): boolean;
+    }
+    /**
+     * Asynchronously copies the entire directory structure from `src` to `dest`,
+     * including subdirectories and files.
+     *
+     * When copying a directory to another directory, globs are not supported and
+     * behavior is similar to `cp dir1/ dir2/`.
+     * @since v16.7.0
+     * @experimental
+     * @param src source path to copy.
+     * @param dest destination path to copy to.
+     */
+    export function cp(source: string | URL, destination: string | URL, callback: (err: NodeJS.ErrnoException | null) => void): void;
+    export function cp(source: string | URL, destination: string | URL, opts: CopyOptions, callback: (err: NodeJS.ErrnoException | null) => void): void;
+    /**
+     * Synchronously copies the entire directory structure from `src` to `dest`,
+     * including subdirectories and files.
+     *
+     * When copying a directory to another directory, globs are not supported and
+     * behavior is similar to `cp dir1/ dir2/`.
+     * @since v16.7.0
+     * @experimental
+     * @param src source path to copy.
+     * @param dest destination path to copy to.
+     */
+    export function cpSync(source: string | URL, destination: string | URL, opts?: CopySyncOptions): void;
+}
+declare module 'node:fs' {
+    export * from 'fs';
+}
diff --git a/node_modules/@types/node/fs/promises.d.ts b/node_modules/@types/node/fs/promises.d.ts
new file mode 100644
index 000000000..9d0b5f109
--- /dev/null
+++ b/node_modules/@types/node/fs/promises.d.ts
@@ -0,0 +1,1120 @@
+/**
+ * The `fs/promises` API provides asynchronous file system methods that return
+ * promises.
+ *
+ * The promise APIs use the underlying Node.js threadpool to perform file
+ * system operations off the event loop thread. These operations are not
+ * synchronized or threadsafe. Care must be taken when performing multiple
+ * concurrent modifications on the same file or data corruption may occur.
+ * @since v10.0.0
+ */
+declare module 'fs/promises' {
+    import { Abortable } from 'node:events';
+    import { Stream } from 'node:stream';
+    import { ReadableStream } from 'node:stream/web';
+    import {
+        BigIntStats,
+        BufferEncodingOption,
+        constants as fsConstants,
+        CopyOptions,
+        Dir,
+        Dirent,
+        MakeDirectoryOptions,
+        Mode,
+        ObjectEncodingOptions,
+        OpenDirOptions,
+        OpenMode,
+        PathLike,
+        ReadStream,
+        ReadVResult,
+        RmDirOptions,
+        RmOptions,
+        StatOptions,
+        Stats,
+        TimeLike,
+        WatchEventType,
+        WatchOptions,
+        WriteStream,
+        WriteVResult,
+    } from 'node:fs';
+
+    interface FileChangeInfo<T extends string | Buffer> {
+        eventType: WatchEventType;
+        filename: T;
+    }
+    interface FlagAndOpenMode {
+        mode?: Mode | undefined;
+        flag?: OpenMode | undefined;
+    }
+    interface FileReadResult<T extends NodeJS.ArrayBufferView> {
+        bytesRead: number;
+        buffer: T;
+    }
+    interface FileReadOptions<T extends NodeJS.ArrayBufferView = Buffer> {
+        /**
+         * @default `Buffer.alloc(0xffff)`
+         */
+        buffer?: T;
+        /**
+         * @default 0
+         */
+        offset?: number | null;
+        /**
+         * @default `buffer.byteLength`
+         */
+        length?: number | null;
+        position?: number | null;
+    }
+    interface CreateReadStreamOptions {
+        encoding?: BufferEncoding | null | undefined;
+        autoClose?: boolean | undefined;
+        emitClose?: boolean | undefined;
+        start?: number | undefined;
+        end?: number | undefined;
+        highWaterMark?: number | undefined;
+    }
+    interface CreateWriteStreamOptions {
+        encoding?: BufferEncoding | null | undefined;
+        autoClose?: boolean | undefined;
+        emitClose?: boolean | undefined;
+        start?: number | undefined;
+    }
+    // TODO: Add `EventEmitter` close
+    interface FileHandle {
+        /**
+         * The numeric file descriptor managed by the {FileHandle} object.
+         * @since v10.0.0
+         */
+        readonly fd: number;
+        /**
+         * Alias of `filehandle.writeFile()`.
+         *
+         * When operating on file handles, the mode cannot be changed from what it was set
+         * to with `fsPromises.open()`. Therefore, this is equivalent to `filehandle.writeFile()`.
+         * @since v10.0.0
+         * @return Fulfills with `undefined` upon success.
+         */
+        appendFile(data: string | Uint8Array, options?: (ObjectEncodingOptions & FlagAndOpenMode) | BufferEncoding | null): Promise<void>;
+        /**
+         * Changes the ownership of the file. A wrapper for [`chown(2)`](http://man7.org/linux/man-pages/man2/chown.2.html).
+         * @since v10.0.0
+         * @param uid The file's new owner's user id.
+         * @param gid The file's new group's group id.
+         * @return Fulfills with `undefined` upon success.
+         */
+        chown(uid: number, gid: number): Promise<void>;
+        /**
+         * Modifies the permissions on the file. See [`chmod(2)`](http://man7.org/linux/man-pages/man2/chmod.2.html).
+         * @since v10.0.0
+         * @param mode the file mode bit mask.
+         * @return Fulfills with `undefined` upon success.
+         */
+        chmod(mode: Mode): Promise<void>;
+        /**
+         * Unlike the 16 kb default `highWaterMark` for a `stream.Readable`, the stream
+         * returned by this method has a default `highWaterMark` of 64 kb.
+         *
+         * `options` can include `start` and `end` values to read a range of bytes from
+         * the file instead of the entire file. Both `start` and `end` are inclusive and
+         * start counting at 0, allowed values are in the
+         * \[0, [`Number.MAX_SAFE_INTEGER`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER)\] range. If `start` is
+         * omitted or `undefined`, `filehandle.createReadStream()` reads sequentially from
+         * the current file position. The `encoding` can be any one of those accepted by `Buffer`.
+         *
+         * If the `FileHandle` points to a character device that only supports blocking
+         * reads (such as keyboard or sound card), read operations do not finish until data
+         * is available. This can prevent the process from exiting and the stream from
+         * closing naturally.
+         *
+         * By default, the stream will emit a `'close'` event after it has been
+         * destroyed.  Set the `emitClose` option to `false` to change this behavior.
+         *
+         * ```js
+         * import { open } from 'fs/promises';
+         *
+         * const fd = await open('/dev/input/event0');
+         * // Create a stream from some character device.
+         * const stream = fd.createReadStream();
+         * setTimeout(() => {
+         *   stream.close(); // This may not close the stream.
+         *   // Artificially marking end-of-stream, as if the underlying resource had
+         *   // indicated end-of-file by itself, allows the stream to close.
+         *   // This does not cancel pending read operations, and if there is such an
+         *   // operation, the process may still not be able to exit successfully
+         *   // until it finishes.
+         *   stream.push(null);
+         *   stream.read(0);
+         * }, 100);
+         * ```
+         *
+         * If `autoClose` is false, then the file descriptor won't be closed, even if
+         * there's an error. It is the application's responsibility to close it and make
+         * sure there's no file descriptor leak. If `autoClose` is set to true (default
+         * behavior), on `'error'` or `'end'` the file descriptor will be closed
+         * automatically.
+         *
+         * An example to read the last 10 bytes of a file which is 100 bytes long:
+         *
+         * ```js
+         * import { open } from 'fs/promises';
+         *
+         * const fd = await open('sample.txt');
+         * fd.createReadStream({ start: 90, end: 99 });
+         * ```
+         * @since v16.11.0
+         */
+        createReadStream(options?: CreateReadStreamOptions): ReadStream;
+        /**
+         * `options` may also include a `start` option to allow writing data at some
+         * position past the beginning of the file, allowed values are in the
+         * \[0, [`Number.MAX_SAFE_INTEGER`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER)\] range. Modifying a file rather than
+         * replacing it may require the `flags` `open` option to be set to `r+` rather than
+         * the default `r`. The `encoding` can be any one of those accepted by `Buffer`.
+         *
+         * If `autoClose` is set to true (default behavior) on `'error'` or `'finish'`the file descriptor will be closed automatically. If `autoClose` is false,
+         * then the file descriptor won't be closed, even if there's an error.
+         * It is the application's responsibility to close it and make sure there's no
+         * file descriptor leak.
+         *
+         * By default, the stream will emit a `'close'` event after it has been
+         * destroyed.  Set the `emitClose` option to `false` to change this behavior.
+         * @since v16.11.0
+         */
+        createWriteStream(options?: CreateWriteStreamOptions): WriteStream;
+        /**
+         * Forces all currently queued I/O operations associated with the file to the
+         * operating system's synchronized I/O completion state. Refer to the POSIX [`fdatasync(2)`](http://man7.org/linux/man-pages/man2/fdatasync.2.html) documentation for details.
+         *
+         * Unlike `filehandle.sync` this method does not flush modified metadata.
+         * @since v10.0.0
+         * @return Fulfills with `undefined` upon success.
+         */
+        datasync(): Promise<void>;
+        /**
+         * Request that all data for the open file descriptor is flushed to the storage
+         * device. The specific implementation is operating system and device specific.
+         * Refer to the POSIX [`fsync(2)`](http://man7.org/linux/man-pages/man2/fsync.2.html) documentation for more detail.
+         * @since v10.0.0
+         * @return Fufills with `undefined` upon success.
+         */
+        sync(): Promise<void>;
+        /**
+         * Reads data from the file and stores that in the given buffer.
+         *
+         * If the file is not modified concurrently, the end-of-file is reached when the
+         * number of bytes read is zero.
+         * @since v10.0.0
+         * @param buffer A buffer that will be filled with the file data read.
+         * @param offset The location in the buffer at which to start filling.
+         * @param length The number of bytes to read.
+         * @param position The location where to begin reading data from the file. If `null`, data will be read from the current file position, and the position will be updated. If `position` is an
+         * integer, the current file position will remain unchanged.
+         * @return Fulfills upon success with an object with two properties:
+         */
+        read<T extends NodeJS.ArrayBufferView>(buffer: T, offset?: number | null, length?: number | null, position?: number | null): Promise<FileReadResult<T>>;
+        read<T extends NodeJS.ArrayBufferView = Buffer>(options?: FileReadOptions<T>): Promise<FileReadResult<T>>;
+        /**
+         * Returns a `ReadableStream` that may be used to read the files data.
+         *
+         * An error will be thrown if this method is called more than once or is called after the `FileHandle` is closed
+         * or closing.
+         *
+         * ```js
+         * import { open } from 'node:fs/promises';
+         *
+         * const file = await open('./some/file/to/read');
+         *
+         * for await (const chunk of file.readableWebStream())
+         *   console.log(chunk);
+         *
+         * await file.close();
+         * ```
+         *
+         * While the `ReadableStream` will read the file to completion, it will not close the `FileHandle` automatically. User code must still call the `fileHandle.close()` method.
+         *
+         * @since v17.0.0
+         * @experimental
+         */
+        readableWebStream(): ReadableStream;
+        /**
+         * Asynchronously reads the entire contents of a file.
+         *
+         * If `options` is a string, then it specifies the `encoding`.
+         *
+         * The `FileHandle` has to support reading.
+         *
+         * If one or more `filehandle.read()` calls are made on a file handle and then a`filehandle.readFile()` call is made, the data will be read from the current
+         * position till the end of the file. It doesn't always read from the beginning
+         * of the file.
+         * @since v10.0.0
+         * @return Fulfills upon a successful read with the contents of the file. If no encoding is specified (using `options.encoding`), the data is returned as a {Buffer} object. Otherwise, the
+         * data will be a string.
+         */
+        readFile(
+            options?: {
+                encoding?: null | undefined;
+                flag?: OpenMode | undefined;
+            } | null
+        ): Promise<Buffer>;
+        /**
+         * Asynchronously reads the entire contents of a file. The underlying file will _not_ be closed automatically.
+         * The `FileHandle` must have been opened for reading.
+         * @param options An object that may contain an optional flag.
+         * If a flag is not provided, it defaults to `'r'`.
+         */
+        readFile(
+            options:
+                | {
+                      encoding: BufferEncoding;
+                      flag?: OpenMode | undefined;
+                  }
+                | BufferEncoding
+        ): Promise<string>;
+        /**
+         * Asynchronously reads the entire contents of a file. The underlying file will _not_ be closed automatically.
+         * The `FileHandle` must have been opened for reading.
+         * @param options An object that may contain an optional flag.
+         * If a flag is not provided, it defaults to `'r'`.
+         */
+        readFile(
+            options?:
+                | (ObjectEncodingOptions & {
+                      flag?: OpenMode | undefined;
+                  })
+                | BufferEncoding
+                | null
+        ): Promise<string | Buffer>;
+        /**
+         * @since v10.0.0
+         * @return Fulfills with an {fs.Stats} for the file.
+         */
+        stat(
+            opts?: StatOptions & {
+                bigint?: false | undefined;
+            }
+        ): Promise<Stats>;
+        stat(
+            opts: StatOptions & {
+                bigint: true;
+            }
+        ): Promise<BigIntStats>;
+        stat(opts?: StatOptions): Promise<Stats | BigIntStats>;
+        /**
+         * Truncates the file.
+         *
+         * If the file was larger than `len` bytes, only the first `len` bytes will be
+         * retained in the file.
+         *
+         * The following example retains only the first four bytes of the file:
+         *
+         * ```js
+         * import { open } from 'fs/promises';
+         *
+         * let filehandle = null;
+         * try {
+         *   filehandle = await open('temp.txt', 'r+');
+         *   await filehandle.truncate(4);
+         * } finally {
+         *   await filehandle?.close();
+         * }
+         * ```
+         *
+         * If the file previously was shorter than `len` bytes, it is extended, and the
+         * extended part is filled with null bytes (`'\0'`):
+         *
+         * If `len` is negative then `0` will be used.
+         * @since v10.0.0
+         * @param [len=0]
+         * @return Fulfills with `undefined` upon success.
+         */
+        truncate(len?: number): Promise<void>;
+        /**
+         * Change the file system timestamps of the object referenced by the `FileHandle` then resolves the promise with no arguments upon success.
+         * @since v10.0.0
+         */
+        utimes(atime: TimeLike, mtime: TimeLike): Promise<void>;
+        /**
+         * Asynchronously writes data to a file, replacing the file if it already exists.`data` can be a string, a buffer, an
+         * [AsyncIterable](https://tc39.github.io/ecma262/#sec-asynciterable-interface) or
+         * [Iterable](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols#The_iterable_protocol) object.
+         * The promise is resolved with no arguments upon success.
+         *
+         * If `options` is a string, then it specifies the `encoding`.
+         *
+         * The `FileHandle` has to support writing.
+         *
+         * It is unsafe to use `filehandle.writeFile()` multiple times on the same file
+         * without waiting for the promise to be resolved (or rejected).
+         *
+         * If one or more `filehandle.write()` calls are made on a file handle and then a`filehandle.writeFile()` call is made, the data will be written from the
+         * current position till the end of the file. It doesn't always write from the
+         * beginning of the file.
+         * @since v10.0.0
+         */
+        writeFile(data: string | Uint8Array, options?: (ObjectEncodingOptions & FlagAndOpenMode & Abortable) | BufferEncoding | null): Promise<void>;
+        /**
+         * Write `buffer` to the file.
+         *
+         * The promise is resolved with an object containing two properties:
+         *
+         * It is unsafe to use `filehandle.write()` multiple times on the same file
+         * without waiting for the promise to be resolved (or rejected). For this
+         * scenario, use `filehandle.createWriteStream()`.
+         *
+         * On Linux, positional writes do not work when the file is opened in append mode.
+         * The kernel ignores the position argument and always appends the data to
+         * the end of the file.
+         * @since v10.0.0
+         * @param [offset=0] The start position from within `buffer` where the data to write begins.
+         * @param [length=buffer.byteLength - offset] The number of bytes from `buffer` to write.
+         * @param position The offset from the beginning of the file where the data from `buffer` should be written. If `position` is not a `number`, the data will be written at the current position.
+         * See the POSIX pwrite(2) documentation for more detail.
+         */
+        write<TBuffer extends Uint8Array>(
+            buffer: TBuffer,
+            offset?: number | null,
+            length?: number | null,
+            position?: number | null
+        ): Promise<{
+            bytesWritten: number;
+            buffer: TBuffer;
+        }>;
+        write(
+            data: string,
+            position?: number | null,
+            encoding?: BufferEncoding | null
+        ): Promise<{
+            bytesWritten: number;
+            buffer: string;
+        }>;
+        /**
+         * Write an array of [ArrayBufferView](https://developer.mozilla.org/en-US/docs/Web/API/ArrayBufferView) s to the file.
+         *
+         * The promise is resolved with an object containing a two properties:
+         *
+         * It is unsafe to call `writev()` multiple times on the same file without waiting
+         * for the promise to be resolved (or rejected).
+         *
+         * On Linux, positional writes don't work when the file is opened in append mode.
+         * The kernel ignores the position argument and always appends the data to
+         * the end of the file.
+         * @since v12.9.0
+         * @param position The offset from the beginning of the file where the data from `buffers` should be written. If `position` is not a `number`, the data will be written at the current
+         * position.
+         */
+        writev(buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): Promise<WriteVResult>;
+        /**
+         * Read from a file and write to an array of [ArrayBufferView](https://developer.mozilla.org/en-US/docs/Web/API/ArrayBufferView) s
+         * @since v13.13.0, v12.17.0
+         * @param position The offset from the beginning of the file where the data should be read from. If `position` is not a `number`, the data will be read from the current position.
+         * @return Fulfills upon success an object containing two properties:
+         */
+        readv(buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): Promise<ReadVResult>;
+        /**
+         * Closes the file handle after waiting for any pending operation on the handle to
+         * complete.
+         *
+         * ```js
+         * import { open } from 'fs/promises';
+         *
+         * let filehandle;
+         * try {
+         *   filehandle = await open('thefile.txt', 'r');
+         * } finally {
+         *   await filehandle?.close();
+         * }
+         * ```
+         * @since v10.0.0
+         * @return Fulfills with `undefined` upon success.
+         */
+        close(): Promise<void>;
+    }
+
+    const constants: typeof fsConstants;
+
+    /**
+     * Tests a user's permissions for the file or directory specified by `path`.
+     * The `mode` argument is an optional integer that specifies the accessibility
+     * checks to be performed. `mode` should be either the value `fs.constants.F_OK`or a mask consisting of the bitwise OR of any of `fs.constants.R_OK`,`fs.constants.W_OK`, and `fs.constants.X_OK`
+     * (e.g.`fs.constants.W_OK | fs.constants.R_OK`). Check `File access constants` for
+     * possible values of `mode`.
+     *
+     * If the accessibility check is successful, the promise is resolved with no
+     * value. If any of the accessibility checks fail, the promise is rejected
+     * with an [Error](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error) object. The following example checks if the file`/etc/passwd` can be read and
+     * written by the current process.
+     *
+     * ```js
+     * import { access } from 'fs/promises';
+     * import { constants } from 'fs';
+     *
+     * try {
+     *   await access('/etc/passwd', constants.R_OK | constants.W_OK);
+     *   console.log('can access');
+     * } catch {
+     *   console.error('cannot access');
+     * }
+     * ```
+     *
+     * Using `fsPromises.access()` to check for the accessibility of a file before
+     * calling `fsPromises.open()` is not recommended. Doing so introduces a race
+     * condition, since other processes may change the file's state between the two
+     * calls. Instead, user code should open/read/write the file directly and handle
+     * the error raised if the file is not accessible.
+     * @since v10.0.0
+     * @param [mode=fs.constants.F_OK]
+     * @return Fulfills with `undefined` upon success.
+     */
+    function access(path: PathLike, mode?: number): Promise<void>;
+    /**
+     * Asynchronously copies `src` to `dest`. By default, `dest` is overwritten if it
+     * already exists.
+     *
+     * No guarantees are made about the atomicity of the copy operation. If an
+     * error occurs after the destination file has been opened for writing, an attempt
+     * will be made to remove the destination.
+     *
+     * ```js
+     * import { constants } from 'fs';
+     * import { copyFile } from 'fs/promises';
+     *
+     * try {
+     *   await copyFile('source.txt', 'destination.txt');
+     *   console.log('source.txt was copied to destination.txt');
+     * } catch {
+     *   console.log('The file could not be copied');
+     * }
+     *
+     * // By using COPYFILE_EXCL, the operation will fail if destination.txt exists.
+     * try {
+     *   await copyFile('source.txt', 'destination.txt', constants.COPYFILE_EXCL);
+     *   console.log('source.txt was copied to destination.txt');
+     * } catch {
+     *   console.log('The file could not be copied');
+     * }
+     * ```
+     * @since v10.0.0
+     * @param src source filename to copy
+     * @param dest destination filename of the copy operation
+     * @param [mode=0] Optional modifiers that specify the behavior of the copy operation. It is possible to create a mask consisting of the bitwise OR of two or more values (e.g.
+     * `fs.constants.COPYFILE_EXCL | fs.constants.COPYFILE_FICLONE`)
+     * @return Fulfills with `undefined` upon success.
+     */
+    function copyFile(src: PathLike, dest: PathLike, mode?: number): Promise<void>;
+    /**
+     * Opens a `FileHandle`.
+     *
+     * Refer to the POSIX [`open(2)`](http://man7.org/linux/man-pages/man2/open.2.html) documentation for more detail.
+     *
+     * Some characters (`< > : " / \ | ? *`) are reserved under Windows as documented
+     * by [Naming Files, Paths, and Namespaces](https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file). Under NTFS, if the filename contains
+     * a colon, Node.js will open a file system stream, as described by [this MSDN page](https://docs.microsoft.com/en-us/windows/desktop/FileIO/using-streams).
+     * @since v10.0.0
+     * @param [flags='r'] See `support of file system `flags``.
+     * @param [mode=0o666] Sets the file mode (permission and sticky bits) if the file is created.
+     * @return Fulfills with a {FileHandle} object.
+     */
+    function open(path: PathLike, flags?: string | number, mode?: Mode): Promise<FileHandle>;
+    /**
+     * Renames `oldPath` to `newPath`.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function rename(oldPath: PathLike, newPath: PathLike): Promise<void>;
+    /**
+     * Truncates (shortens or extends the length) of the content at `path` to `len`bytes.
+     * @since v10.0.0
+     * @param [len=0]
+     * @return Fulfills with `undefined` upon success.
+     */
+    function truncate(path: PathLike, len?: number): Promise<void>;
+    /**
+     * Removes the directory identified by `path`.
+     *
+     * Using `fsPromises.rmdir()` on a file (not a directory) results in the
+     * promise being rejected with an `ENOENT` error on Windows and an `ENOTDIR`error on POSIX.
+     *
+     * To get a behavior similar to the `rm -rf` Unix command, use `fsPromises.rm()` with options `{ recursive: true, force: true }`.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function rmdir(path: PathLike, options?: RmDirOptions): Promise<void>;
+    /**
+     * Removes files and directories (modeled on the standard POSIX `rm` utility).
+     * @since v14.14.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function rm(path: PathLike, options?: RmOptions): Promise<void>;
+    /**
+     * Asynchronously creates a directory.
+     *
+     * The optional `options` argument can be an integer specifying `mode` (permission
+     * and sticky bits), or an object with a `mode` property and a `recursive`property indicating whether parent directories should be created. Calling`fsPromises.mkdir()` when `path` is a directory
+     * that exists results in a
+     * rejection only when `recursive` is false.
+     * @since v10.0.0
+     * @return Upon success, fulfills with `undefined` if `recursive` is `false`, or the first directory path created if `recursive` is `true`.
+     */
+    function mkdir(
+        path: PathLike,
+        options: MakeDirectoryOptions & {
+            recursive: true;
+        }
+    ): Promise<string | undefined>;
+    /**
+     * Asynchronous mkdir(2) - create a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+     * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+     */
+    function mkdir(
+        path: PathLike,
+        options?:
+            | Mode
+            | (MakeDirectoryOptions & {
+                  recursive?: false | undefined;
+              })
+            | null
+    ): Promise<void>;
+    /**
+     * Asynchronous mkdir(2) - create a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+     * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+     */
+    function mkdir(path: PathLike, options?: Mode | MakeDirectoryOptions | null): Promise<string | undefined>;
+    /**
+     * Reads the contents of a directory.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the filenames. If the `encoding` is set to `'buffer'`, the filenames returned
+     * will be passed as `Buffer` objects.
+     *
+     * If `options.withFileTypes` is set to `true`, the resolved array will contain `fs.Dirent` objects.
+     *
+     * ```js
+     * import { readdir } from 'fs/promises';
+     *
+     * try {
+     *   const files = await readdir(path);
+     *   for (const file of files)
+     *     console.log(file);
+     * } catch (err) {
+     *   console.error(err);
+     * }
+     * ```
+     * @since v10.0.0
+     * @return Fulfills with an array of the names of the files in the directory excluding `'.'` and `'..'`.
+     */
+    function readdir(
+        path: PathLike,
+        options?:
+            | (ObjectEncodingOptions & {
+                  withFileTypes?: false | undefined;
+              })
+            | BufferEncoding
+            | null
+    ): Promise<string[]>;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function readdir(
+        path: PathLike,
+        options:
+            | {
+                  encoding: 'buffer';
+                  withFileTypes?: false | undefined;
+              }
+            | 'buffer'
+    ): Promise<Buffer[]>;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function readdir(
+        path: PathLike,
+        options?:
+            | (ObjectEncodingOptions & {
+                  withFileTypes?: false | undefined;
+              })
+            | BufferEncoding
+            | null
+    ): Promise<string[] | Buffer[]>;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options If called with `withFileTypes: true` the result data will be an array of Dirent.
+     */
+    function readdir(
+        path: PathLike,
+        options: ObjectEncodingOptions & {
+            withFileTypes: true;
+        }
+    ): Promise<Dirent[]>;
+    /**
+     * Reads the contents of the symbolic link referred to by `path`. See the POSIX [`readlink(2)`](http://man7.org/linux/man-pages/man2/readlink.2.html) documentation for more detail. The promise is
+     * resolved with the`linkString` upon success.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the link path returned. If the `encoding` is set to `'buffer'`, the link path
+     * returned will be passed as a `Buffer` object.
+     * @since v10.0.0
+     * @return Fulfills with the `linkString` upon success.
+     */
+    function readlink(path: PathLike, options?: ObjectEncodingOptions | BufferEncoding | null): Promise<string>;
+    /**
+     * Asynchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function readlink(path: PathLike, options: BufferEncodingOption): Promise<Buffer>;
+    /**
+     * Asynchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function readlink(path: PathLike, options?: ObjectEncodingOptions | string | null): Promise<string | Buffer>;
+    /**
+     * Creates a symbolic link.
+     *
+     * The `type` argument is only used on Windows platforms and can be one of `'dir'`,`'file'`, or `'junction'`. Windows junction points require the destination path
+     * to be absolute. When using `'junction'`, the `target` argument will
+     * automatically be normalized to absolute path.
+     * @since v10.0.0
+     * @param [type='file']
+     * @return Fulfills with `undefined` upon success.
+     */
+    function symlink(target: PathLike, path: PathLike, type?: string | null): Promise<void>;
+    /**
+     * Equivalent to `fsPromises.stat()` unless `path` refers to a symbolic link,
+     * in which case the link itself is stat-ed, not the file that it refers to.
+     * Refer to the POSIX [`lstat(2)`](http://man7.org/linux/man-pages/man2/lstat.2.html) document for more detail.
+     * @since v10.0.0
+     * @return Fulfills with the {fs.Stats} object for the given symbolic link `path`.
+     */
+    function lstat(
+        path: PathLike,
+        opts?: StatOptions & {
+            bigint?: false | undefined;
+        }
+    ): Promise<Stats>;
+    function lstat(
+        path: PathLike,
+        opts: StatOptions & {
+            bigint: true;
+        }
+    ): Promise<BigIntStats>;
+    function lstat(path: PathLike, opts?: StatOptions): Promise<Stats | BigIntStats>;
+    /**
+     * @since v10.0.0
+     * @return Fulfills with the {fs.Stats} object for the given `path`.
+     */
+    function stat(
+        path: PathLike,
+        opts?: StatOptions & {
+            bigint?: false | undefined;
+        }
+    ): Promise<Stats>;
+    function stat(
+        path: PathLike,
+        opts: StatOptions & {
+            bigint: true;
+        }
+    ): Promise<BigIntStats>;
+    function stat(path: PathLike, opts?: StatOptions): Promise<Stats | BigIntStats>;
+    /**
+     * Creates a new link from the `existingPath` to the `newPath`. See the POSIX [`link(2)`](http://man7.org/linux/man-pages/man2/link.2.html) documentation for more detail.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function link(existingPath: PathLike, newPath: PathLike): Promise<void>;
+    /**
+     * If `path` refers to a symbolic link, then the link is removed without affecting
+     * the file or directory to which that link refers. If the `path` refers to a file
+     * path that is not a symbolic link, the file is deleted. See the POSIX [`unlink(2)`](http://man7.org/linux/man-pages/man2/unlink.2.html) documentation for more detail.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function unlink(path: PathLike): Promise<void>;
+    /**
+     * Changes the permissions of a file.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function chmod(path: PathLike, mode: Mode): Promise<void>;
+    /**
+     * Changes the permissions on a symbolic link.
+     *
+     * This method is only implemented on macOS.
+     * @deprecated Since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function lchmod(path: PathLike, mode: Mode): Promise<void>;
+    /**
+     * Changes the ownership on a symbolic link.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function lchown(path: PathLike, uid: number, gid: number): Promise<void>;
+    /**
+     * Changes the access and modification times of a file in the same way as `fsPromises.utimes()`, with the difference that if the path refers to a
+     * symbolic link, then the link is not dereferenced: instead, the timestamps of
+     * the symbolic link itself are changed.
+     * @since v14.5.0, v12.19.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function lutimes(path: PathLike, atime: TimeLike, mtime: TimeLike): Promise<void>;
+    /**
+     * Changes the ownership of a file.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function chown(path: PathLike, uid: number, gid: number): Promise<void>;
+    /**
+     * Change the file system timestamps of the object referenced by `path`.
+     *
+     * The `atime` and `mtime` arguments follow these rules:
+     *
+     * * Values can be either numbers representing Unix epoch time, `Date`s, or a
+     * numeric string like `'123456789.0'`.
+     * * If the value can not be converted to a number, or is `NaN`, `Infinity` or`-Infinity`, an `Error` will be thrown.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function utimes(path: PathLike, atime: TimeLike, mtime: TimeLike): Promise<void>;
+    /**
+     * Determines the actual location of `path` using the same semantics as the`fs.realpath.native()` function.
+     *
+     * Only paths that can be converted to UTF8 strings are supported.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the path. If the `encoding` is set to `'buffer'`, the path returned will be
+     * passed as a `Buffer` object.
+     *
+     * On Linux, when Node.js is linked against musl libc, the procfs file system must
+     * be mounted on `/proc` in order for this function to work. Glibc does not have
+     * this restriction.
+     * @since v10.0.0
+     * @return Fulfills with the resolved path upon success.
+     */
+    function realpath(path: PathLike, options?: ObjectEncodingOptions | BufferEncoding | null): Promise<string>;
+    /**
+     * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function realpath(path: PathLike, options: BufferEncodingOption): Promise<Buffer>;
+    /**
+     * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function realpath(path: PathLike, options?: ObjectEncodingOptions | BufferEncoding | null): Promise<string | Buffer>;
+    /**
+     * Creates a unique temporary directory. A unique directory name is generated by
+     * appending six random characters to the end of the provided `prefix`. Due to
+     * platform inconsistencies, avoid trailing `X` characters in `prefix`. Some
+     * platforms, notably the BSDs, can return more than six random characters, and
+     * replace trailing `X` characters in `prefix` with random characters.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use.
+     *
+     * ```js
+     * import { mkdtemp } from 'fs/promises';
+     *
+     * try {
+     *   await mkdtemp(path.join(os.tmpdir(), 'foo-'));
+     * } catch (err) {
+     *   console.error(err);
+     * }
+     * ```
+     *
+     * The `fsPromises.mkdtemp()` method will append the six randomly selected
+     * characters directly to the `prefix` string. For instance, given a directory`/tmp`, if the intention is to create a temporary directory _within_`/tmp`, the`prefix` must end with a trailing
+     * platform-specific path separator
+     * (`require('path').sep`).
+     * @since v10.0.0
+     * @return Fulfills with a string containing the filesystem path of the newly created temporary directory.
+     */
+    function mkdtemp(prefix: string, options?: ObjectEncodingOptions | BufferEncoding | null): Promise<string>;
+    /**
+     * Asynchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required `prefix` to create a unique temporary directory.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function mkdtemp(prefix: string, options: BufferEncodingOption): Promise<Buffer>;
+    /**
+     * Asynchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required `prefix` to create a unique temporary directory.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function mkdtemp(prefix: string, options?: ObjectEncodingOptions | BufferEncoding | null): Promise<string | Buffer>;
+    /**
+     * Asynchronously writes data to a file, replacing the file if it already exists.`data` can be a string, a buffer, an
+     * [AsyncIterable](https://tc39.github.io/ecma262/#sec-asynciterable-interface) or
+     * [Iterable](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols#The_iterable_protocol) object.
+     *
+     * The `encoding` option is ignored if `data` is a buffer.
+     *
+     * If `options` is a string, then it specifies the encoding.
+     *
+     * The `mode` option only affects the newly created file. See `fs.open()` for more details.
+     *
+     * Any specified `FileHandle` has to support writing.
+     *
+     * It is unsafe to use `fsPromises.writeFile()` multiple times on the same file
+     * without waiting for the promise to be settled.
+     *
+     * Similarly to `fsPromises.readFile` \- `fsPromises.writeFile` is a convenience
+     * method that performs multiple `write` calls internally to write the buffer
+     * passed to it. For performance sensitive code consider using `fs.createWriteStream()` or `filehandle.createWriteStream()`.
+     *
+     * It is possible to use an `AbortSignal` to cancel an `fsPromises.writeFile()`.
+     * Cancelation is "best effort", and some amount of data is likely still
+     * to be written.
+     *
+     * ```js
+     * import { writeFile } from 'fs/promises';
+     * import { Buffer } from 'buffer';
+     *
+     * try {
+     *   const controller = new AbortController();
+     *   const { signal } = controller;
+     *   const data = new Uint8Array(Buffer.from('Hello Node.js'));
+     *   const promise = writeFile('message.txt', data, { signal });
+     *
+     *   // Abort the request before the promise settles.
+     *   controller.abort();
+     *
+     *   await promise;
+     * } catch (err) {
+     *   // When a request is aborted - err is an AbortError
+     *   console.error(err);
+     * }
+     * ```
+     *
+     * Aborting an ongoing request does not abort individual operating
+     * system requests but rather the internal buffering `fs.writeFile` performs.
+     * @since v10.0.0
+     * @param file filename or `FileHandle`
+     * @return Fulfills with `undefined` upon success.
+     */
+    function writeFile(
+        file: PathLike | FileHandle,
+        data: string | NodeJS.ArrayBufferView | Iterable<string | NodeJS.ArrayBufferView> | AsyncIterable<string | NodeJS.ArrayBufferView> | Stream,
+        options?:
+            | (ObjectEncodingOptions & {
+                  mode?: Mode | undefined;
+                  flag?: OpenMode | undefined;
+              } & Abortable)
+            | BufferEncoding
+            | null
+    ): Promise<void>;
+    /**
+     * Asynchronously append data to a file, creating the file if it does not yet
+     * exist. `data` can be a string or a `Buffer`.
+     *
+     * If `options` is a string, then it specifies the `encoding`.
+     *
+     * The `mode` option only affects the newly created file. See `fs.open()` for more details.
+     *
+     * The `path` may be specified as a `FileHandle` that has been opened
+     * for appending (using `fsPromises.open()`).
+     * @since v10.0.0
+     * @param path filename or {FileHandle}
+     * @return Fulfills with `undefined` upon success.
+     */
+    function appendFile(path: PathLike | FileHandle, data: string | Uint8Array, options?: (ObjectEncodingOptions & FlagAndOpenMode) | BufferEncoding | null): Promise<void>;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     *
+     * If no encoding is specified (using `options.encoding`), the data is returned
+     * as a `Buffer` object. Otherwise, the data will be a string.
+     *
+     * If `options` is a string, then it specifies the encoding.
+     *
+     * When the `path` is a directory, the behavior of `fsPromises.readFile()` is
+     * platform-specific. On macOS, Linux, and Windows, the promise will be rejected
+     * with an error. On FreeBSD, a representation of the directory's contents will be
+     * returned.
+     *
+     * It is possible to abort an ongoing `readFile` using an `AbortSignal`. If a
+     * request is aborted the promise returned is rejected with an `AbortError`:
+     *
+     * ```js
+     * import { readFile } from 'fs/promises';
+     *
+     * try {
+     *   const controller = new AbortController();
+     *   const { signal } = controller;
+     *   const promise = readFile(fileName, { signal });
+     *
+     *   // Abort the request before the promise settles.
+     *   controller.abort();
+     *
+     *   await promise;
+     * } catch (err) {
+     *   // When a request is aborted - err is an AbortError
+     *   console.error(err);
+     * }
+     * ```
+     *
+     * Aborting an ongoing request does not abort individual operating
+     * system requests but rather the internal buffering `fs.readFile` performs.
+     *
+     * Any specified `FileHandle` has to support reading.
+     * @since v10.0.0
+     * @param path filename or `FileHandle`
+     * @return Fulfills with the contents of the file.
+     */
+    function readFile(
+        path: PathLike | FileHandle,
+        options?:
+            | ({
+                  encoding?: null | undefined;
+                  flag?: OpenMode | undefined;
+              } & Abortable)
+            | null
+    ): Promise<Buffer>;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a `FileHandle` is provided, the underlying file will _not_ be closed automatically.
+     * @param options An object that may contain an optional flag.
+     * If a flag is not provided, it defaults to `'r'`.
+     */
+    function readFile(
+        path: PathLike | FileHandle,
+        options:
+            | ({
+                  encoding: BufferEncoding;
+                  flag?: OpenMode | undefined;
+              } & Abortable)
+            | BufferEncoding
+    ): Promise<string>;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a `FileHandle` is provided, the underlying file will _not_ be closed automatically.
+     * @param options An object that may contain an optional flag.
+     * If a flag is not provided, it defaults to `'r'`.
+     */
+    function readFile(
+        path: PathLike | FileHandle,
+        options?:
+            | (ObjectEncodingOptions &
+                  Abortable & {
+                      flag?: OpenMode | undefined;
+                  })
+            | BufferEncoding
+            | null
+    ): Promise<string | Buffer>;
+    /**
+     * Asynchronously open a directory for iterative scanning. See the POSIX [`opendir(3)`](http://man7.org/linux/man-pages/man3/opendir.3.html) documentation for more detail.
+     *
+     * Creates an `fs.Dir`, which contains all further functions for reading from
+     * and cleaning up the directory.
+     *
+     * The `encoding` option sets the encoding for the `path` while opening the
+     * directory and subsequent read operations.
+     *
+     * Example using async iteration:
+     *
+     * ```js
+     * import { opendir } from 'fs/promises';
+     *
+     * try {
+     *   const dir = await opendir('./');
+     *   for await (const dirent of dir)
+     *     console.log(dirent.name);
+     * } catch (err) {
+     *   console.error(err);
+     * }
+     * ```
+     *
+     * When using the async iterator, the `fs.Dir` object will be automatically
+     * closed after the iterator exits.
+     * @since v12.12.0
+     * @return Fulfills with an {fs.Dir}.
+     */
+    function opendir(path: PathLike, options?: OpenDirOptions): Promise<Dir>;
+    /**
+     * Returns an async iterator that watches for changes on `filename`, where `filename`is either a file or a directory.
+     *
+     * ```js
+     * const { watch } = require('fs/promises');
+     *
+     * const ac = new AbortController();
+     * const { signal } = ac;
+     * setTimeout(() => ac.abort(), 10000);
+     *
+     * (async () => {
+     *   try {
+     *     const watcher = watch(__filename, { signal });
+     *     for await (const event of watcher)
+     *       console.log(event);
+     *   } catch (err) {
+     *     if (err.name === 'AbortError')
+     *       return;
+     *     throw err;
+     *   }
+     * })();
+     * ```
+     *
+     * On most platforms, `'rename'` is emitted whenever a filename appears or
+     * disappears in the directory.
+     *
+     * All the `caveats` for `fs.watch()` also apply to `fsPromises.watch()`.
+     * @since v15.9.0, v14.18.0
+     * @return of objects with the properties:
+     */
+    function watch(
+        filename: PathLike,
+        options:
+            | (WatchOptions & {
+                  encoding: 'buffer';
+              })
+            | 'buffer'
+    ): AsyncIterable<FileChangeInfo<Buffer>>;
+    /**
+     * Watch for changes on `filename`, where `filename` is either a file or a directory, returning an `FSWatcher`.
+     * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the encoding for the filename provided to the listener, or an object optionally specifying encoding, persistent, and recursive options.
+     * If `encoding` is not supplied, the default of `'utf8'` is used.
+     * If `persistent` is not supplied, the default of `true` is used.
+     * If `recursive` is not supplied, the default of `false` is used.
+     */
+    function watch(filename: PathLike, options?: WatchOptions | BufferEncoding): AsyncIterable<FileChangeInfo<string>>;
+    /**
+     * Watch for changes on `filename`, where `filename` is either a file or a directory, returning an `FSWatcher`.
+     * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the encoding for the filename provided to the listener, or an object optionally specifying encoding, persistent, and recursive options.
+     * If `encoding` is not supplied, the default of `'utf8'` is used.
+     * If `persistent` is not supplied, the default of `true` is used.
+     * If `recursive` is not supplied, the default of `false` is used.
+     */
+    function watch(filename: PathLike, options: WatchOptions | string): AsyncIterable<FileChangeInfo<string>> | AsyncIterable<FileChangeInfo<Buffer>>;
+    /**
+     * Asynchronously copies the entire directory structure from `src` to `dest`,
+     * including subdirectories and files.
+     *
+     * When copying a directory to another directory, globs are not supported and
+     * behavior is similar to `cp dir1/ dir2/`.
+     * @since v16.7.0
+     * @experimental
+     * @param src source path to copy.
+     * @param dest destination path to copy to.
+     * @return Fulfills with `undefined` upon success.
+     */
+    function cp(source: string | URL, destination: string | URL, opts?: CopyOptions): Promise<void>;
+}
+declare module 'node:fs/promises' {
+    export * from 'fs/promises';
+}
diff --git a/node_modules/@types/node/globals.d.ts b/node_modules/@types/node/globals.d.ts
new file mode 100644
index 000000000..d43d5a9e4
--- /dev/null
+++ b/node_modules/@types/node/globals.d.ts
@@ -0,0 +1,295 @@
+// Declare "static" methods in Error
+interface ErrorConstructor {
+    /** Create .stack property on a target object */
+    captureStackTrace(targetObject: object, constructorOpt?: Function): void;
+
+    /**
+     * Optional override for formatting stack traces
+     *
+     * @see https://v8.dev/docs/stack-trace-api#customizing-stack-traces
+     */
+    prepareStackTrace?: ((err: Error, stackTraces: NodeJS.CallSite[]) => any) | undefined;
+
+    stackTraceLimit: number;
+}
+
+/*-----------------------------------------------*
+ *                                               *
+ *                   GLOBAL                      *
+ *                                               *
+ ------------------------------------------------*/
+
+// For backwards compability
+interface NodeRequire extends NodeJS.Require { }
+interface RequireResolve extends NodeJS.RequireResolve { }
+interface NodeModule extends NodeJS.Module { }
+
+declare var process: NodeJS.Process;
+declare var console: Console;
+
+declare var __filename: string;
+declare var __dirname: string;
+
+declare var require: NodeRequire;
+declare var module: NodeModule;
+
+// Same as module.exports
+declare var exports: any;
+
+/**
+ * Only available if `--expose-gc` is passed to the process.
+ */
+declare var gc: undefined | (() => void);
+
+//#region borrowed
+// from https://github.com/microsoft/TypeScript/blob/38da7c600c83e7b31193a62495239a0fe478cb67/lib/lib.webworker.d.ts#L633 until moved to separate lib
+/** A controller object that allows you to abort one or more DOM requests as and when desired. */
+interface AbortController {
+    /**
+     * Returns the AbortSignal object associated with this object.
+     */
+
+    readonly signal: AbortSignal;
+    /**
+     * Invoking this method will set this object's AbortSignal's aborted flag and signal to any observers that the associated activity is to be aborted.
+     */
+    abort(): void;
+}
+
+/** A signal object that allows you to communicate with a DOM request (such as a Fetch) and abort it if required via an AbortController object. */
+interface AbortSignal {
+    /**
+     * Returns true if this AbortSignal's AbortController has signaled to abort, and false otherwise.
+     */
+    readonly aborted: boolean;
+}
+
+declare var AbortController: {
+    prototype: AbortController;
+    new(): AbortController;
+};
+
+declare var AbortSignal: {
+    prototype: AbortSignal;
+    new(): AbortSignal;
+    // TODO: Add abort() static
+    timeout(milliseconds: number): AbortSignal;
+};
+//#endregion borrowed
+
+//#region ArrayLike.at()
+interface RelativeIndexable<T> {
+    /**
+     * Takes an integer value and returns the item at that index,
+     * allowing for positive and negative integers.
+     * Negative integers count back from the last item in the array.
+     */
+    at(index: number): T | undefined;
+}
+interface String extends RelativeIndexable<string> {}
+interface Array<T> extends RelativeIndexable<T> {}
+interface Int8Array extends RelativeIndexable<number> {}
+interface Uint8Array extends RelativeIndexable<number> {}
+interface Uint8ClampedArray extends RelativeIndexable<number> {}
+interface Int16Array extends RelativeIndexable<number> {}
+interface Uint16Array extends RelativeIndexable<number> {}
+interface Int32Array extends RelativeIndexable<number> {}
+interface Uint32Array extends RelativeIndexable<number> {}
+interface Float32Array extends RelativeIndexable<number> {}
+interface Float64Array extends RelativeIndexable<number> {}
+interface BigInt64Array extends RelativeIndexable<bigint> {}
+interface BigUint64Array extends RelativeIndexable<bigint> {}
+//#endregion ArrayLike.at() end
+
+/**
+ * @since v17.0.0
+ *
+ * Creates a deep clone of an object.
+ */
+declare function structuredClone<T>(
+    value: T,
+    transfer?: { transfer: ReadonlyArray<import('worker_threads').TransferListItem> },
+): T;
+
+/*----------------------------------------------*
+*                                               *
+*               GLOBAL INTERFACES               *
+*                                               *
+*-----------------------------------------------*/
+declare namespace NodeJS {
+    interface CallSite {
+        /**
+         * Value of "this"
+         */
+        getThis(): unknown;
+
+        /**
+         * Type of "this" as a string.
+         * This is the name of the function stored in the constructor field of
+         * "this", if available.  Otherwise the object's [[Class]] internal
+         * property.
+         */
+        getTypeName(): string | null;
+
+        /**
+         * Current function
+         */
+        getFunction(): Function | undefined;
+
+        /**
+         * Name of the current function, typically its name property.
+         * If a name property is not available an attempt will be made to try
+         * to infer a name from the function's context.
+         */
+        getFunctionName(): string | null;
+
+        /**
+         * Name of the property [of "this" or one of its prototypes] that holds
+         * the current function
+         */
+        getMethodName(): string | null;
+
+        /**
+         * Name of the script [if this function was defined in a script]
+         */
+        getFileName(): string | null;
+
+        /**
+         * Current line number [if this function was defined in a script]
+         */
+        getLineNumber(): number | null;
+
+        /**
+         * Current column number [if this function was defined in a script]
+         */
+        getColumnNumber(): number | null;
+
+        /**
+         * A call site object representing the location where eval was called
+         * [if this function was created using a call to eval]
+         */
+        getEvalOrigin(): string | undefined;
+
+        /**
+         * Is this a toplevel invocation, that is, is "this" the global object?
+         */
+        isToplevel(): boolean;
+
+        /**
+         * Does this call take place in code defined by a call to eval?
+         */
+        isEval(): boolean;
+
+        /**
+         * Is this call in native V8 code?
+         */
+        isNative(): boolean;
+
+        /**
+         * Is this a constructor call?
+         */
+        isConstructor(): boolean;
+    }
+
+    interface ErrnoException extends Error {
+        errno?: number | undefined;
+        code?: string | undefined;
+        path?: string | undefined;
+        syscall?: string | undefined;
+    }
+
+    interface ReadableStream extends EventEmitter {
+        readable: boolean;
+        read(size?: number): string | Buffer;
+        setEncoding(encoding: BufferEncoding): this;
+        pause(): this;
+        resume(): this;
+        isPaused(): boolean;
+        pipe<T extends WritableStream>(destination: T, options?: { end?: boolean | undefined; }): T;
+        unpipe(destination?: WritableStream): this;
+        unshift(chunk: string | Uint8Array, encoding?: BufferEncoding): void;
+        wrap(oldStream: ReadableStream): this;
+        [Symbol.asyncIterator](): AsyncIterableIterator<string | Buffer>;
+    }
+
+    interface WritableStream extends EventEmitter {
+        writable: boolean;
+        write(buffer: Uint8Array | string, cb?: (err?: Error | null) => void): boolean;
+        write(str: string, encoding?: BufferEncoding, cb?: (err?: Error | null) => void): boolean;
+        end(cb?: () => void): this;
+        end(data: string | Uint8Array, cb?: () => void): this;
+        end(str: string, encoding?: BufferEncoding, cb?: () => void): this;
+    }
+
+    interface ReadWriteStream extends ReadableStream, WritableStream { }
+
+    interface RefCounted {
+        ref(): this;
+        unref(): this;
+    }
+
+    type TypedArray =
+        | Uint8Array
+        | Uint8ClampedArray
+        | Uint16Array
+        | Uint32Array
+        | Int8Array
+        | Int16Array
+        | Int32Array
+        | BigUint64Array
+        | BigInt64Array
+        | Float32Array
+        | Float64Array;
+    type ArrayBufferView = TypedArray | DataView;
+
+    interface Require {
+        (id: string): any;
+        resolve: RequireResolve;
+        cache: Dict<NodeModule>;
+        /**
+         * @deprecated
+         */
+        extensions: RequireExtensions;
+        main: Module | undefined;
+    }
+
+    interface RequireResolve {
+        (id: string, options?: { paths?: string[] | undefined; }): string;
+        paths(request: string): string[] | null;
+    }
+
+    interface RequireExtensions extends Dict<(m: Module, filename: string) => any> {
+        '.js': (m: Module, filename: string) => any;
+        '.json': (m: Module, filename: string) => any;
+        '.node': (m: Module, filename: string) => any;
+    }
+    interface Module {
+        /**
+         * `true` if the module is running during the Node.js preload
+         */
+        isPreloading: boolean;
+        exports: any;
+        require: Require;
+        id: string;
+        filename: string;
+        loaded: boolean;
+        /** @deprecated since v14.6.0 Please use `require.main` and `module.children` instead. */
+        parent: Module | null | undefined;
+        children: Module[];
+        /**
+         * @since v11.14.0
+         *
+         * The directory name of the module. This is usually the same as the path.dirname() of the module.id.
+         */
+        path: string;
+        paths: string[];
+    }
+
+    interface Dict<T> {
+        [key: string]: T | undefined;
+    }
+
+    interface ReadOnlyDict<T> {
+        readonly [key: string]: T | undefined;
+    }
+}
diff --git a/node_modules/@types/node/globals.global.d.ts b/node_modules/@types/node/globals.global.d.ts
new file mode 100644
index 000000000..ef1198c05
--- /dev/null
+++ b/node_modules/@types/node/globals.global.d.ts
@@ -0,0 +1 @@
+declare var global: typeof globalThis;
diff --git a/node_modules/@types/node/http.d.ts b/node_modules/@types/node/http.d.ts
new file mode 100644
index 000000000..24bc5e78d
--- /dev/null
+++ b/node_modules/@types/node/http.d.ts
@@ -0,0 +1,1553 @@
+/**
+ * To use the HTTP server and client one must `require('http')`.
+ *
+ * The HTTP interfaces in Node.js are designed to support many features
+ * of the protocol which have been traditionally difficult to use.
+ * In particular, large, possibly chunk-encoded, messages. The interface is
+ * careful to never buffer entire requests or responses, so the
+ * user is able to stream data.
+ *
+ * HTTP message headers are represented by an object like this:
+ *
+ * ```js
+ * { 'content-length': '123',
+ *   'content-type': 'text/plain',
+ *   'connection': 'keep-alive',
+ *   'host': 'example.com',
+ *   'accept': '*' }
+ * ```
+ *
+ * Keys are lowercased. Values are not modified.
+ *
+ * In order to support the full spectrum of possible HTTP applications, the Node.js
+ * HTTP API is very low-level. It deals with stream handling and message
+ * parsing only. It parses a message into headers and body but it does not
+ * parse the actual headers or the body.
+ *
+ * See `message.headers` for details on how duplicate headers are handled.
+ *
+ * The raw headers as they were received are retained in the `rawHeaders`property, which is an array of `[key, value, key2, value2, ...]`. For
+ * example, the previous message header object might have a `rawHeaders`list like the following:
+ *
+ * ```js
+ * [ 'ConTent-Length', '123456',
+ *   'content-LENGTH', '123',
+ *   'content-type', 'text/plain',
+ *   'CONNECTION', 'keep-alive',
+ *   'Host', 'example.com',
+ *   'accepT', '*' ]
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/http.js)
+ */
+declare module 'http' {
+    import * as stream from 'node:stream';
+    import { URL } from 'node:url';
+    import { TcpSocketConnectOpts, Socket, Server as NetServer, LookupFunction } from 'node:net';
+    // incoming headers will never contain number
+    interface IncomingHttpHeaders extends NodeJS.Dict<string | string[]> {
+        accept?: string | undefined;
+        'accept-language'?: string | undefined;
+        'accept-patch'?: string | undefined;
+        'accept-ranges'?: string | undefined;
+        'access-control-allow-credentials'?: string | undefined;
+        'access-control-allow-headers'?: string | undefined;
+        'access-control-allow-methods'?: string | undefined;
+        'access-control-allow-origin'?: string | undefined;
+        'access-control-expose-headers'?: string | undefined;
+        'access-control-max-age'?: string | undefined;
+        'access-control-request-headers'?: string | undefined;
+        'access-control-request-method'?: string | undefined;
+        age?: string | undefined;
+        allow?: string | undefined;
+        'alt-svc'?: string | undefined;
+        authorization?: string | undefined;
+        'cache-control'?: string | undefined;
+        connection?: string | undefined;
+        'content-disposition'?: string | undefined;
+        'content-encoding'?: string | undefined;
+        'content-language'?: string | undefined;
+        'content-length'?: string | undefined;
+        'content-location'?: string | undefined;
+        'content-range'?: string | undefined;
+        'content-type'?: string | undefined;
+        cookie?: string | undefined;
+        date?: string | undefined;
+        etag?: string | undefined;
+        expect?: string | undefined;
+        expires?: string | undefined;
+        forwarded?: string | undefined;
+        from?: string | undefined;
+        host?: string | undefined;
+        'if-match'?: string | undefined;
+        'if-modified-since'?: string | undefined;
+        'if-none-match'?: string | undefined;
+        'if-unmodified-since'?: string | undefined;
+        'last-modified'?: string | undefined;
+        location?: string | undefined;
+        origin?: string | undefined;
+        pragma?: string | undefined;
+        'proxy-authenticate'?: string | undefined;
+        'proxy-authorization'?: string | undefined;
+        'public-key-pins'?: string | undefined;
+        range?: string | undefined;
+        referer?: string | undefined;
+        'retry-after'?: string | undefined;
+        'sec-websocket-accept'?: string | undefined;
+        'sec-websocket-extensions'?: string | undefined;
+        'sec-websocket-key'?: string | undefined;
+        'sec-websocket-protocol'?: string | undefined;
+        'sec-websocket-version'?: string | undefined;
+        'set-cookie'?: string[] | undefined;
+        'strict-transport-security'?: string | undefined;
+        tk?: string | undefined;
+        trailer?: string | undefined;
+        'transfer-encoding'?: string | undefined;
+        upgrade?: string | undefined;
+        'user-agent'?: string | undefined;
+        vary?: string | undefined;
+        via?: string | undefined;
+        warning?: string | undefined;
+        'www-authenticate'?: string | undefined;
+    }
+    // outgoing headers allows numbers (as they are converted internally to strings)
+    type OutgoingHttpHeader = number | string | string[];
+    interface OutgoingHttpHeaders extends NodeJS.Dict<OutgoingHttpHeader> {}
+    interface ClientRequestArgs {
+        signal?: AbortSignal | undefined;
+        protocol?: string | null | undefined;
+        host?: string | null | undefined;
+        hostname?: string | null | undefined;
+        family?: number | undefined;
+        port?: number | string | null | undefined;
+        defaultPort?: number | string | undefined;
+        localAddress?: string | undefined;
+        socketPath?: string | undefined;
+        /**
+         * @default 8192
+         */
+        maxHeaderSize?: number | undefined;
+        method?: string | undefined;
+        path?: string | null | undefined;
+        headers?: OutgoingHttpHeaders | undefined;
+        auth?: string | null | undefined;
+        agent?: Agent | boolean | undefined;
+        _defaultAgent?: Agent | undefined;
+        timeout?: number | undefined;
+        setHost?: boolean | undefined;
+        // https://github.com/nodejs/node/blob/master/lib/_http_client.js#L278
+        createConnection?:
+            | ((options: ClientRequestArgs, oncreate: (err: Error, socket: Socket) => void) => Socket)
+            | undefined;
+        lookup?: LookupFunction | undefined;
+    }
+    interface ServerOptions<
+        Request extends typeof IncomingMessage = typeof IncomingMessage,
+        Response extends typeof ServerResponse = typeof ServerResponse,
+    > {
+        IncomingMessage?: Request | undefined;
+        ServerResponse?: Response | undefined;
+        /**
+         * Optionally overrides the value of
+         * `--max-http-header-size` for requests received by this server, i.e.
+         * the maximum length of request headers in bytes.
+         * @default 8192
+         */
+        maxHeaderSize?: number | undefined;
+        /**
+         * Use an insecure HTTP parser that accepts invalid HTTP headers when true.
+         * Using the insecure parser should be avoided.
+         * See --insecure-http-parser for more information.
+         * @default false
+         */
+        insecureHTTPParser?: boolean | undefined;
+        /**
+         * If set to `true`, it disables the use of Nagle's algorithm immediately after a new incoming connection is received.
+         * @default false
+         * @since v16.5.0
+         */
+        noDelay?: boolean | undefined;
+        /**
+         * If set to `true`, it enables keep-alive functionality on the socket immediately after a new incoming connection is received,
+         * similarly on what is done in `socket.setKeepAlive([enable][, initialDelay])`.
+         * @default false
+         * @since v16.5.0
+         */
+        keepAlive?: boolean | undefined;
+        /**
+         * If set to a positive number, it sets the initial delay before the first keepalive probe is sent on an idle socket.
+         * @default 0
+         * @since v16.5.0
+         */
+        keepAliveInitialDelay?: number | undefined;
+    }
+    type RequestListener<
+        Request extends typeof IncomingMessage = typeof IncomingMessage,
+        Response extends typeof ServerResponse = typeof ServerResponse,
+    > = (req: InstanceType<Request>, res: InstanceType<Response> & { req: InstanceType<Request> }) => void;
+    /**
+     * @since v0.1.17
+     */
+    class Server<
+        Request extends typeof IncomingMessage = typeof IncomingMessage,
+        Response extends typeof ServerResponse = typeof ServerResponse,
+    > extends NetServer {
+        constructor(requestListener?: RequestListener<Request, Response>);
+        constructor(options: ServerOptions<Request, Response>, requestListener?: RequestListener<Request, Response>);
+        /**
+         * Sets the timeout value for sockets, and emits a `'timeout'` event on
+         * the Server object, passing the socket as an argument, if a timeout
+         * occurs.
+         *
+         * If there is a `'timeout'` event listener on the Server object, then it
+         * will be called with the timed-out socket as an argument.
+         *
+         * By default, the Server does not timeout sockets. However, if a callback
+         * is assigned to the Server's `'timeout'` event, timeouts must be handled
+         * explicitly.
+         * @since v0.9.12
+         * @param [msecs=0 (no timeout)]
+         */
+        setTimeout(msecs?: number, callback?: () => void): this;
+        setTimeout(callback: () => void): this;
+        /**
+         * Limits maximum incoming headers count. If set to 0, no limit will be applied.
+         * @since v0.7.0
+         */
+        maxHeadersCount: number | null;
+        /**
+         * The maximum number of requests socket can handle
+         * before closing keep alive connection.
+         *
+         * A value of `0` will disable the limit.
+         *
+         * When the limit is reached it will set the `Connection` header value to `close`,
+         * but will not actually close the connection, subsequent requests sent
+         * after the limit is reached will get `503 Service Unavailable` as a response.
+         * @since v16.10.0
+         */
+        maxRequestsPerSocket: number | null;
+        /**
+         * The number of milliseconds of inactivity before a socket is presumed
+         * to have timed out.
+         *
+         * A value of `0` will disable the timeout behavior on incoming connections.
+         *
+         * The socket timeout logic is set up on connection, so changing this
+         * value only affects new connections to the server, not any existing connections.
+         * @since v0.9.12
+         */
+        timeout: number;
+        /**
+         * Limit the amount of time the parser will wait to receive the complete HTTP
+         * headers.
+         *
+         * If the timeout expires, the server responds with status 408 without
+         * forwarding the request to the request listener and then closes the connection.
+         *
+         * It must be set to a non-zero value (e.g. 120 seconds) to protect against
+         * potential Denial-of-Service attacks in case the server is deployed without a
+         * reverse proxy in front.
+         * @since v11.3.0, v10.14.0
+         */
+        headersTimeout: number;
+        /**
+         * The number of milliseconds of inactivity a server needs to wait for additional
+         * incoming data, after it has finished writing the last response, before a socket
+         * will be destroyed. If the server receives new data before the keep-alive
+         * timeout has fired, it will reset the regular inactivity timeout, i.e.,`server.timeout`.
+         *
+         * A value of `0` will disable the keep-alive timeout behavior on incoming
+         * connections.
+         * A value of `0` makes the http server behave similarly to Node.js versions prior
+         * to 8.0.0, which did not have a keep-alive timeout.
+         *
+         * The socket timeout logic is set up on connection, so changing this value only
+         * affects new connections to the server, not any existing connections.
+         * @since v8.0.0
+         */
+        keepAliveTimeout: number;
+        /**
+         * Sets the timeout value in milliseconds for receiving the entire request from
+         * the client.
+         *
+         * If the timeout expires, the server responds with status 408 without
+         * forwarding the request to the request listener and then closes the connection.
+         *
+         * It must be set to a non-zero value (e.g. 120 seconds) to protect against
+         * potential Denial-of-Service attacks in case the server is deployed without a
+         * reverse proxy in front.
+         * @since v14.11.0
+         */
+        requestTimeout: number;
+        /**
+         * Closes all connections connected to this server.
+         * @since v18.2.0
+         */
+        closeAllConnections(): void;
+        /**
+         * Closes all connections connected to this server which are not sending a request or waiting for a response.
+         * @since v18.2.0
+         */
+        closeIdleConnections(): void;
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'connection', listener: (socket: Socket) => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'listening', listener: () => void): this;
+        addListener(event: 'checkContinue', listener: RequestListener<Request, Response>): this;
+        addListener(event: 'checkExpectation', listener: RequestListener<Request, Response>): this;
+        addListener(event: 'clientError', listener: (err: Error, socket: stream.Duplex) => void): this;
+        addListener(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        addListener(event: 'request', listener: RequestListener<Request, Response>): this;
+        addListener(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        emit(event: string, ...args: any[]): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'connection', socket: Socket): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'listening'): boolean;
+        emit(
+            event: 'checkContinue',
+            req: InstanceType<Request>,
+            res: InstanceType<Response> & { req: InstanceType<Request> },
+        ): boolean;
+        emit(
+            event: 'checkExpectation',
+            req: InstanceType<Request>,
+            res: InstanceType<Response> & { req: InstanceType<Request> },
+        ): boolean;
+        emit(event: 'clientError', err: Error, socket: stream.Duplex): boolean;
+        emit(event: 'connect', req: InstanceType<Request>, socket: stream.Duplex, head: Buffer): boolean;
+        emit(
+            event: 'request',
+            req: InstanceType<Request>,
+            res: InstanceType<Response> & { req: InstanceType<Request> },
+        ): boolean;
+        emit(event: 'upgrade', req: InstanceType<Request>, socket: stream.Duplex, head: Buffer): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'connection', listener: (socket: Socket) => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'listening', listener: () => void): this;
+        on(event: 'checkContinue', listener: RequestListener<Request, Response>): this;
+        on(event: 'checkExpectation', listener: RequestListener<Request, Response>): this;
+        on(event: 'clientError', listener: (err: Error, socket: stream.Duplex) => void): this;
+        on(event: 'connect', listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void): this;
+        on(event: 'request', listener: RequestListener<Request, Response>): this;
+        on(event: 'upgrade', listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'connection', listener: (socket: Socket) => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'listening', listener: () => void): this;
+        once(event: 'checkContinue', listener: RequestListener<Request, Response>): this;
+        once(event: 'checkExpectation', listener: RequestListener<Request, Response>): this;
+        once(event: 'clientError', listener: (err: Error, socket: stream.Duplex) => void): this;
+        once(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        once(event: 'request', listener: RequestListener<Request, Response>): this;
+        once(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'connection', listener: (socket: Socket) => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'listening', listener: () => void): this;
+        prependListener(event: 'checkContinue', listener: RequestListener<Request, Response>): this;
+        prependListener(event: 'checkExpectation', listener: RequestListener<Request, Response>): this;
+        prependListener(event: 'clientError', listener: (err: Error, socket: stream.Duplex) => void): this;
+        prependListener(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        prependListener(event: 'request', listener: RequestListener<Request, Response>): this;
+        prependListener(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'connection', listener: (socket: Socket) => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'listening', listener: () => void): this;
+        prependOnceListener(event: 'checkContinue', listener: RequestListener<Request, Response>): this;
+        prependOnceListener(event: 'checkExpectation', listener: RequestListener<Request, Response>): this;
+        prependOnceListener(event: 'clientError', listener: (err: Error, socket: stream.Duplex) => void): this;
+        prependOnceListener(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        prependOnceListener(event: 'request', listener: RequestListener<Request, Response>): this;
+        prependOnceListener(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+    }
+    /**
+     * This class serves as the parent class of {@link ClientRequest} and {@link ServerResponse}. It is an abstract of outgoing message from
+     * the perspective of the participants of HTTP transaction.
+     * @since v0.1.17
+     */
+    class OutgoingMessage<Request extends IncomingMessage = IncomingMessage> extends stream.Writable {
+        readonly req: Request;
+        chunkedEncoding: boolean;
+        shouldKeepAlive: boolean;
+        useChunkedEncodingByDefault: boolean;
+        sendDate: boolean;
+        /**
+         * @deprecated Use `writableEnded` instead.
+         */
+        finished: boolean;
+        /**
+         * Read-only. `true` if the headers were sent, otherwise `false`.
+         * @since v0.9.3
+         */
+        readonly headersSent: boolean;
+        /**
+         * Aliases of `outgoingMessage.socket`
+         * @since v0.3.0
+         * @deprecated Since v15.12.0,v14.17.1 - Use `socket` instead.
+         */
+        readonly connection: Socket | null;
+        /**
+         * Reference to the underlying socket. Usually, users will not want to access
+         * this property.
+         *
+         * After calling `outgoingMessage.end()`, this property will be nulled.
+         * @since v0.3.0
+         */
+        readonly socket: Socket | null;
+        constructor();
+        /**
+         * Once a socket is associated with the message and is connected,`socket.setTimeout()` will be called with `msecs` as the first parameter.
+         * @since v0.9.12
+         * @param callback Optional function to be called when a timeout occurs. Same as binding to the `timeout` event.
+         */
+        setTimeout(msecs: number, callback?: () => void): this;
+        /**
+         * Sets a single header value for the header object.
+         * @since v0.4.0
+         * @param name Header name
+         * @param value Header value
+         */
+        setHeader(name: string, value: number | string | ReadonlyArray<string>): this;
+        /**
+         * Gets the value of HTTP header with the given name. If such a name doesn't
+         * exist in message, it will be `undefined`.
+         * @since v0.4.0
+         * @param name Name of header
+         */
+        getHeader(name: string): number | string | string[] | undefined;
+        /**
+         * Returns a shallow copy of the current outgoing headers. Since a shallow
+         * copy is used, array values may be mutated without additional calls to
+         * various header-related HTTP module methods. The keys of the returned
+         * object are the header names and the values are the respective header
+         * values. All header names are lowercase.
+         *
+         * The object returned by the `outgoingMessage.getHeaders()` method does
+         * not prototypically inherit from the JavaScript Object. This means that
+         * typical Object methods such as `obj.toString()`, `obj.hasOwnProperty()`,
+         * and others are not defined and will not work.
+         *
+         * ```js
+         * outgoingMessage.setHeader('Foo', 'bar');
+         * outgoingMessage.setHeader('Set-Cookie', ['foo=bar', 'bar=baz']);
+         *
+         * const headers = outgoingMessage.getHeaders();
+         * // headers === { foo: 'bar', 'set-cookie': ['foo=bar', 'bar=baz'] }
+         * ```
+         * @since v7.7.0
+         */
+        getHeaders(): OutgoingHttpHeaders;
+        /**
+         * Returns an array of names of headers of the outgoing outgoingMessage. All
+         * names are lowercase.
+         * @since v7.7.0
+         */
+        getHeaderNames(): string[];
+        /**
+         * Returns `true` if the header identified by `name` is currently set in the
+         * outgoing headers. The header name is case-insensitive.
+         *
+         * ```js
+         * const hasContentType = outgoingMessage.hasHeader('content-type');
+         * ```
+         * @since v7.7.0
+         */
+        hasHeader(name: string): boolean;
+        /**
+         * Removes a header that is queued for implicit sending.
+         *
+         * ```js
+         * outgoingMessage.removeHeader('Content-Encoding');
+         * ```
+         * @since v0.4.0
+         * @param name Header name
+         */
+        removeHeader(name: string): void;
+        /**
+         * Adds HTTP trailers (headers but at the end of the message) to the message.
+         *
+         * Trailers are **only** be emitted if the message is chunked encoded. If not,
+         * the trailer will be silently discarded.
+         *
+         * HTTP requires the `Trailer` header to be sent to emit trailers,
+         * with a list of header fields in its value, e.g.
+         *
+         * ```js
+         * message.writeHead(200, { 'Content-Type': 'text/plain',
+         *                          'Trailer': 'Content-MD5' });
+         * message.write(fileData);
+         * message.addTrailers({ 'Content-MD5': '7895bf4b8828b55ceaf47747b4bca667' });
+         * message.end();
+         * ```
+         *
+         * Attempting to set a header field name or value that contains invalid characters
+         * will result in a `TypeError` being thrown.
+         * @since v0.3.0
+         */
+        addTrailers(headers: OutgoingHttpHeaders | ReadonlyArray<[string, string]>): void;
+        /**
+         * Compulsorily flushes the message headers
+         *
+         * For efficiency reason, Node.js normally buffers the message headers
+         * until `outgoingMessage.end()` is called or the first chunk of message data
+         * is written. It then tries to pack the headers and data into a single TCP
+         * packet.
+         *
+         * It is usually desired (it saves a TCP round-trip), but not when the first
+         * data is not sent until possibly much later. `outgoingMessage.flushHeaders()`bypasses the optimization and kickstarts the request.
+         * @since v1.6.0
+         */
+        flushHeaders(): void;
+    }
+    /**
+     * This object is created internally by an HTTP server, not by the user. It is
+     * passed as the second parameter to the `'request'` event.
+     * @since v0.1.17
+     */
+    class ServerResponse<Request extends IncomingMessage = IncomingMessage> extends OutgoingMessage<Request> {
+        /**
+         * When using implicit headers (not calling `response.writeHead()` explicitly),
+         * this property controls the status code that will be sent to the client when
+         * the headers get flushed.
+         *
+         * ```js
+         * response.statusCode = 404;
+         * ```
+         *
+         * After response header was sent to the client, this property indicates the
+         * status code which was sent out.
+         * @since v0.4.0
+         */
+        statusCode: number;
+        /**
+         * When using implicit headers (not calling `response.writeHead()` explicitly),
+         * this property controls the status message that will be sent to the client when
+         * the headers get flushed. If this is left as `undefined` then the standard
+         * message for the status code will be used.
+         *
+         * ```js
+         * response.statusMessage = 'Not found';
+         * ```
+         *
+         * After response header was sent to the client, this property indicates the
+         * status message which was sent out.
+         * @since v0.11.8
+         */
+        statusMessage: string;
+        constructor(req: Request);
+        assignSocket(socket: Socket): void;
+        detachSocket(socket: Socket): void;
+        /**
+         * Sends a HTTP/1.1 100 Continue message to the client, indicating that
+         * the request body should be sent. See the `'checkContinue'` event on`Server`.
+         * @since v0.3.0
+         */
+        writeContinue(callback?: () => void): void;
+        /**
+         * Sends a response header to the request. The status code is a 3-digit HTTP
+         * status code, like `404`. The last argument, `headers`, are the response headers.
+         * Optionally one can give a human-readable `statusMessage` as the second
+         * argument.
+         *
+         * `headers` may be an `Array` where the keys and values are in the same list.
+         * It is _not_ a list of tuples. So, the even-numbered offsets are key values,
+         * and the odd-numbered offsets are the associated values. The array is in the same
+         * format as `request.rawHeaders`.
+         *
+         * Returns a reference to the `ServerResponse`, so that calls can be chained.
+         *
+         * ```js
+         * const body = 'hello world';
+         * response
+         *   .writeHead(200, {
+         *     'Content-Length': Buffer.byteLength(body),
+         *     'Content-Type': 'text/plain'
+         *   })
+         *   .end(body);
+         * ```
+         *
+         * This method must only be called once on a message and it must
+         * be called before `response.end()` is called.
+         *
+         * If `response.write()` or `response.end()` are called before calling
+         * this, the implicit/mutable headers will be calculated and call this function.
+         *
+         * When headers have been set with `response.setHeader()`, they will be merged
+         * with any headers passed to `response.writeHead()`, with the headers passed
+         * to `response.writeHead()` given precedence.
+         *
+         * If this method is called and `response.setHeader()` has not been called,
+         * it will directly write the supplied header values onto the network channel
+         * without caching internally, and the `response.getHeader()` on the header
+         * will not yield the expected result. If progressive population of headers is
+         * desired with potential future retrieval and modification, use `response.setHeader()` instead.
+         *
+         * ```js
+         * // Returns content-type = text/plain
+         * const server = http.createServer((req, res) => {
+         *   res.setHeader('Content-Type', 'text/html');
+         *   res.setHeader('X-Foo', 'bar');
+         *   res.writeHead(200, { 'Content-Type': 'text/plain' });
+         *   res.end('ok');
+         * });
+         * ```
+         *
+         * `Content-Length` is given in bytes, not characters. Use `Buffer.byteLength()` to determine the length of the body in bytes. Node.js
+         * does not check whether `Content-Length` and the length of the body which has
+         * been transmitted are equal or not.
+         *
+         * Attempting to set a header field name or value that contains invalid characters
+         * will result in a `TypeError` being thrown.
+         * @since v0.1.30
+         */
+        writeHead(
+            statusCode: number,
+            statusMessage?: string,
+            headers?: OutgoingHttpHeaders | OutgoingHttpHeader[],
+        ): this;
+        writeHead(statusCode: number, headers?: OutgoingHttpHeaders | OutgoingHttpHeader[]): this;
+        /**
+         * Sends a HTTP/1.1 102 Processing message to the client, indicating that
+         * the request body should be sent.
+         * @since v10.0.0
+         */
+        writeProcessing(): void;
+    }
+    interface InformationEvent {
+        statusCode: number;
+        statusMessage: string;
+        httpVersion: string;
+        httpVersionMajor: number;
+        httpVersionMinor: number;
+        headers: IncomingHttpHeaders;
+        rawHeaders: string[];
+    }
+    /**
+     * This object is created internally and returned from {@link request}. It
+     * represents an _in-progress_ request whose header has already been queued. The
+     * header is still mutable using the `setHeader(name, value)`,`getHeader(name)`, `removeHeader(name)` API. The actual header will
+     * be sent along with the first data chunk or when calling `request.end()`.
+     *
+     * To get the response, add a listener for `'response'` to the request object.`'response'` will be emitted from the request object when the response
+     * headers have been received. The `'response'` event is executed with one
+     * argument which is an instance of {@link IncomingMessage}.
+     *
+     * During the `'response'` event, one can add listeners to the
+     * response object; particularly to listen for the `'data'` event.
+     *
+     * If no `'response'` handler is added, then the response will be
+     * entirely discarded. However, if a `'response'` event handler is added,
+     * then the data from the response object **must** be consumed, either by
+     * calling `response.read()` whenever there is a `'readable'` event, or
+     * by adding a `'data'` handler, or by calling the `.resume()` method.
+     * Until the data is consumed, the `'end'` event will not fire. Also, until
+     * the data is read it will consume memory that can eventually lead to a
+     * 'process out of memory' error.
+     *
+     * For backward compatibility, `res` will only emit `'error'` if there is an`'error'` listener registered.
+     *
+     * Node.js does not check whether Content-Length and the length of the
+     * body which has been transmitted are equal or not.
+     * @since v0.1.17
+     */
+    class ClientRequest extends OutgoingMessage {
+        /**
+         * The `request.aborted` property will be `true` if the request has
+         * been aborted.
+         * @since v0.11.14
+         * @deprecated Since v17.0.0,v16.12.0 - Check `destroyed` instead.
+         */
+        aborted: boolean;
+        /**
+         * The request host.
+         * @since v14.5.0, v12.19.0
+         */
+        host: string;
+        /**
+         * The request protocol.
+         * @since v14.5.0, v12.19.0
+         */
+        protocol: string;
+        /**
+         * When sending request through a keep-alive enabled agent, the underlying socket
+         * might be reused. But if server closes connection at unfortunate time, client
+         * may run into a 'ECONNRESET' error.
+         *
+         * ```js
+         * const http = require('http');
+         *
+         * // Server has a 5 seconds keep-alive timeout by default
+         * http
+         *   .createServer((req, res) => {
+         *     res.write('hello\n');
+         *     res.end();
+         *   })
+         *   .listen(3000);
+         *
+         * setInterval(() => {
+         *   // Adapting a keep-alive agent
+         *   http.get('http://localhost:3000', { agent }, (res) => {
+         *     res.on('data', (data) => {
+         *       // Do nothing
+         *     });
+         *   });
+         * }, 5000); // Sending request on 5s interval so it's easy to hit idle timeout
+         * ```
+         *
+         * By marking a request whether it reused socket or not, we can do
+         * automatic error retry base on it.
+         *
+         * ```js
+         * const http = require('http');
+         * const agent = new http.Agent({ keepAlive: true });
+         *
+         * function retriableRequest() {
+         *   const req = http
+         *     .get('http://localhost:3000', { agent }, (res) => {
+         *       // ...
+         *     })
+         *     .on('error', (err) => {
+         *       // Check if retry is needed
+         *       if (req.reusedSocket &#x26;&#x26; err.code === 'ECONNRESET') {
+         *         retriableRequest();
+         *       }
+         *     });
+         * }
+         *
+         * retriableRequest();
+         * ```
+         * @since v13.0.0, v12.16.0
+         */
+        reusedSocket: boolean;
+        /**
+         * Limits maximum response headers count. If set to 0, no limit will be applied.
+         */
+        maxHeadersCount: number;
+        constructor(url: string | URL | ClientRequestArgs, cb?: (res: IncomingMessage) => void);
+        /**
+         * The request method.
+         * @since v0.1.97
+         */
+        method: string;
+        /**
+         * The request path.
+         * @since v0.4.0
+         */
+        path: string;
+        /**
+         * Marks the request as aborting. Calling this will cause remaining data
+         * in the response to be dropped and the socket to be destroyed.
+         * @since v0.3.8
+         * @deprecated Since v14.1.0,v13.14.0 - Use `destroy` instead.
+         */
+        abort(): void;
+        onSocket(socket: Socket): void;
+        /**
+         * Once a socket is assigned to this request and is connected `socket.setTimeout()` will be called.
+         * @since v0.5.9
+         * @param timeout Milliseconds before a request times out.
+         * @param callback Optional function to be called when a timeout occurs. Same as binding to the `'timeout'` event.
+         */
+        setTimeout(timeout: number, callback?: () => void): this;
+        /**
+         * Once a socket is assigned to this request and is connected `socket.setNoDelay()` will be called.
+         * @since v0.5.9
+         */
+        setNoDelay(noDelay?: boolean): void;
+        /**
+         * Once a socket is assigned to this request and is connected `socket.setKeepAlive()` will be called.
+         * @since v0.5.9
+         */
+        setSocketKeepAlive(enable?: boolean, initialDelay?: number): void;
+        /**
+         * Returns an array containing the unique names of the current outgoing raw
+         * headers. Header names are returned with their exact casing being set.
+         *
+         * ```js
+         * request.setHeader('Foo', 'bar');
+         * request.setHeader('Set-Cookie', ['foo=bar', 'bar=baz']);
+         *
+         * const headerNames = request.getRawHeaderNames();
+         * // headerNames === ['Foo', 'Set-Cookie']
+         * ```
+         * @since v15.13.0, v14.17.0
+         */
+        getRawHeaderNames(): string[];
+        /**
+         * @deprecated
+         */
+        addListener(event: 'abort', listener: () => void): this;
+        addListener(
+            event: 'connect',
+            listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void,
+        ): this;
+        addListener(event: 'continue', listener: () => void): this;
+        addListener(event: 'information', listener: (info: InformationEvent) => void): this;
+        addListener(event: 'response', listener: (response: IncomingMessage) => void): this;
+        addListener(event: 'socket', listener: (socket: Socket) => void): this;
+        addListener(event: 'timeout', listener: () => void): this;
+        addListener(
+            event: 'upgrade',
+            listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void,
+        ): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'drain', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'finish', listener: () => void): this;
+        addListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        /**
+         * @deprecated
+         */
+        on(event: 'abort', listener: () => void): this;
+        on(event: 'connect', listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void): this;
+        on(event: 'continue', listener: () => void): this;
+        on(event: 'information', listener: (info: InformationEvent) => void): this;
+        on(event: 'response', listener: (response: IncomingMessage) => void): this;
+        on(event: 'socket', listener: (socket: Socket) => void): this;
+        on(event: 'timeout', listener: () => void): this;
+        on(event: 'upgrade', listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'drain', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'finish', listener: () => void): this;
+        on(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        on(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        /**
+         * @deprecated
+         */
+        once(event: 'abort', listener: () => void): this;
+        once(event: 'connect', listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void): this;
+        once(event: 'continue', listener: () => void): this;
+        once(event: 'information', listener: (info: InformationEvent) => void): this;
+        once(event: 'response', listener: (response: IncomingMessage) => void): this;
+        once(event: 'socket', listener: (socket: Socket) => void): this;
+        once(event: 'timeout', listener: () => void): this;
+        once(event: 'upgrade', listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'drain', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'finish', listener: () => void): this;
+        once(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        once(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        /**
+         * @deprecated
+         */
+        prependListener(event: 'abort', listener: () => void): this;
+        prependListener(
+            event: 'connect',
+            listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void,
+        ): this;
+        prependListener(event: 'continue', listener: () => void): this;
+        prependListener(event: 'information', listener: (info: InformationEvent) => void): this;
+        prependListener(event: 'response', listener: (response: IncomingMessage) => void): this;
+        prependListener(event: 'socket', listener: (socket: Socket) => void): this;
+        prependListener(event: 'timeout', listener: () => void): this;
+        prependListener(
+            event: 'upgrade',
+            listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void,
+        ): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'drain', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'finish', listener: () => void): this;
+        prependListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        /**
+         * @deprecated
+         */
+        prependOnceListener(event: 'abort', listener: () => void): this;
+        prependOnceListener(
+            event: 'connect',
+            listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void,
+        ): this;
+        prependOnceListener(event: 'continue', listener: () => void): this;
+        prependOnceListener(event: 'information', listener: (info: InformationEvent) => void): this;
+        prependOnceListener(event: 'response', listener: (response: IncomingMessage) => void): this;
+        prependOnceListener(event: 'socket', listener: (socket: Socket) => void): this;
+        prependOnceListener(event: 'timeout', listener: () => void): this;
+        prependOnceListener(
+            event: 'upgrade',
+            listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void,
+        ): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'drain', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'finish', listener: () => void): this;
+        prependOnceListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    /**
+     * An `IncomingMessage` object is created by {@link Server} or {@link ClientRequest} and passed as the first argument to the `'request'` and `'response'` event respectively. It may be used to
+     * access response
+     * status, headers and data.
+     *
+     * Different from its `socket` value which is a subclass of `stream.Duplex`, the`IncomingMessage` itself extends `stream.Readable` and is created separately to
+     * parse and emit the incoming HTTP headers and payload, as the underlying socket
+     * may be reused multiple times in case of keep-alive.
+     * @since v0.1.17
+     */
+    class IncomingMessage extends stream.Readable {
+        constructor(socket: Socket);
+        /**
+         * The `message.aborted` property will be `true` if the request has
+         * been aborted.
+         * @since v10.1.0
+         * @deprecated Since v17.0.0,v16.12.0 - Check `message.destroyed` from <a href="stream.html#class-streamreadable" class="type">stream.Readable</a>.
+         */
+        aborted: boolean;
+        /**
+         * In case of server request, the HTTP version sent by the client. In the case of
+         * client response, the HTTP version of the connected-to server.
+         * Probably either `'1.1'` or `'1.0'`.
+         *
+         * Also `message.httpVersionMajor` is the first integer and`message.httpVersionMinor` is the second.
+         * @since v0.1.1
+         */
+        httpVersion: string;
+        httpVersionMajor: number;
+        httpVersionMinor: number;
+        /**
+         * The `message.complete` property will be `true` if a complete HTTP message has
+         * been received and successfully parsed.
+         *
+         * This property is particularly useful as a means of determining if a client or
+         * server fully transmitted a message before a connection was terminated:
+         *
+         * ```js
+         * const req = http.request({
+         *   host: '127.0.0.1',
+         *   port: 8080,
+         *   method: 'POST'
+         * }, (res) => {
+         *   res.resume();
+         *   res.on('end', () => {
+         *     if (!res.complete)
+         *       console.error(
+         *         'The connection was terminated while the message was still being sent');
+         *   });
+         * });
+         * ```
+         * @since v0.3.0
+         */
+        complete: boolean;
+        /**
+         * Alias for `message.socket`.
+         * @since v0.1.90
+         * @deprecated Since v16.0.0 - Use `socket`.
+         */
+        connection: Socket;
+        /**
+         * The `net.Socket` object associated with the connection.
+         *
+         * With HTTPS support, use `request.socket.getPeerCertificate()` to obtain the
+         * client's authentication details.
+         *
+         * This property is guaranteed to be an instance of the `net.Socket` class,
+         * a subclass of `stream.Duplex`, unless the user specified a socket
+         * type other than `net.Socket` or internally nulled.
+         * @since v0.3.0
+         */
+        socket: Socket;
+        /**
+         * The request/response headers object.
+         *
+         * Key-value pairs of header names and values. Header names are lower-cased.
+         *
+         * ```js
+         * // Prints something like:
+         * //
+         * // { 'user-agent': 'curl/7.22.0',
+         * //   host: '127.0.0.1:8000',
+         * //   accept: '*' }
+         * console.log(request.getHeaders());
+         * ```
+         *
+         * Duplicates in raw headers are handled in the following ways, depending on the
+         * header name:
+         *
+         * * Duplicates of `age`, `authorization`, `content-length`, `content-type`,`etag`, `expires`, `from`, `host`, `if-modified-since`, `if-unmodified-since`,`last-modified`, `location`,
+         * `max-forwards`, `proxy-authorization`, `referer`,`retry-after`, `server`, or `user-agent` are discarded.
+         * * `set-cookie` is always an array. Duplicates are added to the array.
+         * * For duplicate `cookie` headers, the values are joined together with '; '.
+         * * For all other headers, the values are joined together with ', '.
+         * @since v0.1.5
+         */
+        headers: IncomingHttpHeaders;
+        /**
+         * The raw request/response headers list exactly as they were received.
+         *
+         * The keys and values are in the same list. It is _not_ a
+         * list of tuples. So, the even-numbered offsets are key values, and the
+         * odd-numbered offsets are the associated values.
+         *
+         * Header names are not lowercased, and duplicates are not merged.
+         *
+         * ```js
+         * // Prints something like:
+         * //
+         * // [ 'user-agent',
+         * //   'this is invalid because there can be only one',
+         * //   'User-Agent',
+         * //   'curl/7.22.0',
+         * //   'Host',
+         * //   '127.0.0.1:8000',
+         * //   'ACCEPT',
+         * //   '*' ]
+         * console.log(request.rawHeaders);
+         * ```
+         * @since v0.11.6
+         */
+        rawHeaders: string[];
+        /**
+         * The request/response trailers object. Only populated at the `'end'` event.
+         * @since v0.3.0
+         */
+        trailers: NodeJS.Dict<string>;
+        /**
+         * The raw request/response trailer keys and values exactly as they were
+         * received. Only populated at the `'end'` event.
+         * @since v0.11.6
+         */
+        rawTrailers: string[];
+        /**
+         * Calls `message.socket.setTimeout(msecs, callback)`.
+         * @since v0.5.9
+         */
+        setTimeout(msecs: number, callback?: () => void): this;
+        /**
+         * **Only valid for request obtained from {@link Server}.**
+         *
+         * The request method as a string. Read only. Examples: `'GET'`, `'DELETE'`.
+         * @since v0.1.1
+         */
+        method?: string | undefined;
+        /**
+         * **Only valid for request obtained from {@link Server}.**
+         *
+         * Request URL string. This contains only the URL that is present in the actual
+         * HTTP request. Take the following request:
+         *
+         * ```http
+         * GET /status?name=ryan HTTP/1.1
+         * Accept: text/plain
+         * ```
+         *
+         * To parse the URL into its parts:
+         *
+         * ```js
+         * new URL(request.url, `http://${request.getHeaders().host}`);
+         * ```
+         *
+         * When `request.url` is `'/status?name=ryan'` and`request.getHeaders().host` is `'localhost:3000'`:
+         *
+         * ```console
+         * $ node
+         * > new URL(request.url, `http://${request.getHeaders().host}`)
+         * URL {
+         *   href: 'http://localhost:3000/status?name=ryan',
+         *   origin: 'http://localhost:3000',
+         *   protocol: 'http:',
+         *   username: '',
+         *   password: '',
+         *   host: 'localhost:3000',
+         *   hostname: 'localhost',
+         *   port: '3000',
+         *   pathname: '/status',
+         *   search: '?name=ryan',
+         *   searchParams: URLSearchParams { 'name' => 'ryan' },
+         *   hash: ''
+         * }
+         * ```
+         * @since v0.1.90
+         */
+        url?: string | undefined;
+        /**
+         * **Only valid for response obtained from {@link ClientRequest}.**
+         *
+         * The 3-digit HTTP response status code. E.G. `404`.
+         * @since v0.1.1
+         */
+        statusCode?: number | undefined;
+        /**
+         * **Only valid for response obtained from {@link ClientRequest}.**
+         *
+         * The HTTP response status message (reason phrase). E.G. `OK` or `Internal Server Error`.
+         * @since v0.11.10
+         */
+        statusMessage?: string | undefined;
+        /**
+         * Calls `destroy()` on the socket that received the `IncomingMessage`. If `error`is provided, an `'error'` event is emitted on the socket and `error` is passed
+         * as an argument to any listeners on the event.
+         * @since v0.3.0
+         */
+        destroy(error?: Error): this;
+    }
+    interface AgentOptions extends Partial<TcpSocketConnectOpts> {
+        /**
+         * Keep sockets around in a pool to be used by other requests in the future. Default = false
+         */
+        keepAlive?: boolean | undefined;
+        /**
+         * When using HTTP KeepAlive, how often to send TCP KeepAlive packets over sockets being kept alive. Default = 1000.
+         * Only relevant if keepAlive is set to true.
+         */
+        keepAliveMsecs?: number | undefined;
+        /**
+         * Maximum number of sockets to allow per host. Default for Node 0.10 is 5, default for Node 0.12 is Infinity
+         */
+        maxSockets?: number | undefined;
+        /**
+         * Maximum number of sockets allowed for all hosts in total. Each request will use a new socket until the maximum is reached. Default: Infinity.
+         */
+        maxTotalSockets?: number | undefined;
+        /**
+         * Maximum number of sockets to leave open in a free state. Only relevant if keepAlive is set to true. Default = 256.
+         */
+        maxFreeSockets?: number | undefined;
+        /**
+         * Socket timeout in milliseconds. This will set the timeout after the socket is connected.
+         */
+        timeout?: number | undefined;
+        /**
+         * Scheduling strategy to apply when picking the next free socket to use.
+         * @default `lifo`
+         */
+        scheduling?: 'fifo' | 'lifo' | undefined;
+    }
+    /**
+     * An `Agent` is responsible for managing connection persistence
+     * and reuse for HTTP clients. It maintains a queue of pending requests
+     * for a given host and port, reusing a single socket connection for each
+     * until the queue is empty, at which time the socket is either destroyed
+     * or put into a pool where it is kept to be used again for requests to the
+     * same host and port. Whether it is destroyed or pooled depends on the`keepAlive` `option`.
+     *
+     * Pooled connections have TCP Keep-Alive enabled for them, but servers may
+     * still close idle connections, in which case they will be removed from the
+     * pool and a new connection will be made when a new HTTP request is made for
+     * that host and port. Servers may also refuse to allow multiple requests
+     * over the same connection, in which case the connection will have to be
+     * remade for every request and cannot be pooled. The `Agent` will still make
+     * the requests to that server, but each one will occur over a new connection.
+     *
+     * When a connection is closed by the client or the server, it is removed
+     * from the pool. Any unused sockets in the pool will be unrefed so as not
+     * to keep the Node.js process running when there are no outstanding requests.
+     * (see `socket.unref()`).
+     *
+     * It is good practice, to `destroy()` an `Agent` instance when it is no
+     * longer in use, because unused sockets consume OS resources.
+     *
+     * Sockets are removed from an agent when the socket emits either
+     * a `'close'` event or an `'agentRemove'` event. When intending to keep one
+     * HTTP request open for a long time without keeping it in the agent, something
+     * like the following may be done:
+     *
+     * ```js
+     * http.get(options, (res) => {
+     *   // Do stuff
+     * }).on('socket', (socket) => {
+     *   socket.emit('agentRemove');
+     * });
+     * ```
+     *
+     * An agent may also be used for an individual request. By providing`{agent: false}` as an option to the `http.get()` or `http.request()`functions, a one-time use `Agent` with default options
+     * will be used
+     * for the client connection.
+     *
+     * `agent:false`:
+     *
+     * ```js
+     * http.get({
+     *   hostname: 'localhost',
+     *   port: 80,
+     *   path: '/',
+     *   agent: false  // Create a new agent just for this one request
+     * }, (res) => {
+     *   // Do stuff with response
+     * });
+     * ```
+     * @since v0.3.4
+     */
+    class Agent {
+        /**
+         * By default set to 256\. For agents with `keepAlive` enabled, this
+         * sets the maximum number of sockets that will be left open in the free
+         * state.
+         * @since v0.11.7
+         */
+        maxFreeSockets: number;
+        /**
+         * By default set to `Infinity`. Determines how many concurrent sockets the agent
+         * can have open per origin. Origin is the returned value of `agent.getName()`.
+         * @since v0.3.6
+         */
+        maxSockets: number;
+        /**
+         * By default set to `Infinity`. Determines how many concurrent sockets the agent
+         * can have open. Unlike `maxSockets`, this parameter applies across all origins.
+         * @since v14.5.0, v12.19.0
+         */
+        maxTotalSockets: number;
+        /**
+         * An object which contains arrays of sockets currently awaiting use by
+         * the agent when `keepAlive` is enabled. Do not modify.
+         *
+         * Sockets in the `freeSockets` list will be automatically destroyed and
+         * removed from the array on `'timeout'`.
+         * @since v0.11.4
+         */
+        readonly freeSockets: NodeJS.ReadOnlyDict<Socket[]>;
+        /**
+         * An object which contains arrays of sockets currently in use by the
+         * agent. Do not modify.
+         * @since v0.3.6
+         */
+        readonly sockets: NodeJS.ReadOnlyDict<Socket[]>;
+        /**
+         * An object which contains queues of requests that have not yet been assigned to
+         * sockets. Do not modify.
+         * @since v0.5.9
+         */
+        readonly requests: NodeJS.ReadOnlyDict<IncomingMessage[]>;
+        constructor(opts?: AgentOptions);
+        /**
+         * Destroy any sockets that are currently in use by the agent.
+         *
+         * It is usually not necessary to do this. However, if using an
+         * agent with `keepAlive` enabled, then it is best to explicitly shut down
+         * the agent when it is no longer needed. Otherwise,
+         * sockets might stay open for quite a long time before the server
+         * terminates them.
+         * @since v0.11.4
+         */
+        destroy(): void;
+    }
+    const METHODS: string[];
+    const STATUS_CODES: {
+        [errorCode: number]: string | undefined;
+        [errorCode: string]: string | undefined;
+    };
+    /**
+     * Returns a new instance of {@link Server}.
+     *
+     * The `requestListener` is a function which is automatically
+     * added to the `'request'` event.
+     * @since v0.1.13
+     */
+    function createServer<
+        Request extends typeof IncomingMessage = typeof IncomingMessage,
+        Response extends typeof ServerResponse = typeof ServerResponse,
+    >(requestListener?: RequestListener<Request, Response>): Server<Request, Response>;
+    function createServer<
+        Request extends typeof IncomingMessage = typeof IncomingMessage,
+        Response extends typeof ServerResponse = typeof ServerResponse,
+    >(
+        options: ServerOptions<Request, Response>,
+        requestListener?: RequestListener<Request, Response>,
+    ): Server<Request, Response>;
+    // although RequestOptions are passed as ClientRequestArgs to ClientRequest directly,
+    // create interface RequestOptions would make the naming more clear to developers
+    interface RequestOptions extends ClientRequestArgs {}
+    /**
+     * `options` in `socket.connect()` are also supported.
+     *
+     * Node.js maintains several connections per server to make HTTP requests.
+     * This function allows one to transparently issue requests.
+     *
+     * `url` can be a string or a `URL` object. If `url` is a
+     * string, it is automatically parsed with `new URL()`. If it is a `URL` object, it will be automatically converted to an ordinary `options` object.
+     *
+     * If both `url` and `options` are specified, the objects are merged, with the`options` properties taking precedence.
+     *
+     * The optional `callback` parameter will be added as a one-time listener for
+     * the `'response'` event.
+     *
+     * `http.request()` returns an instance of the {@link ClientRequest} class. The `ClientRequest` instance is a writable stream. If one needs to
+     * upload a file with a POST request, then write to the `ClientRequest` object.
+     *
+     * ```js
+     * const http = require('http');
+     *
+     * const postData = JSON.stringify({
+     *   'msg': 'Hello World!'
+     * });
+     *
+     * const options = {
+     *   hostname: 'www.google.com',
+     *   port: 80,
+     *   path: '/upload',
+     *   method: 'POST',
+     *   headers: {
+     *     'Content-Type': 'application/json',
+     *     'Content-Length': Buffer.byteLength(postData)
+     *   }
+     * };
+     *
+     * const req = http.request(options, (res) => {
+     *   console.log(`STATUS: ${res.statusCode}`);
+     *   console.log(`HEADERS: ${JSON.stringify(res.headers)}`);
+     *   res.setEncoding('utf8');
+     *   res.on('data', (chunk) => {
+     *     console.log(`BODY: ${chunk}`);
+     *   });
+     *   res.on('end', () => {
+     *     console.log('No more data in response.');
+     *   });
+     * });
+     *
+     * req.on('error', (e) => {
+     *   console.error(`problem with request: ${e.message}`);
+     * });
+     *
+     * // Write data to request body
+     * req.write(postData);
+     * req.end();
+     * ```
+     *
+     * In the example `req.end()` was called. With `http.request()` one
+     * must always call `req.end()` to signify the end of the request -
+     * even if there is no data being written to the request body.
+     *
+     * If any error is encountered during the request (be that with DNS resolution,
+     * TCP level errors, or actual HTTP parse errors) an `'error'` event is emitted
+     * on the returned request object. As with all `'error'` events, if no listeners
+     * are registered the error will be thrown.
+     *
+     * There are a few special headers that should be noted.
+     *
+     * * Sending a 'Connection: keep-alive' will notify Node.js that the connection to
+     * the server should be persisted until the next request.
+     * * Sending a 'Content-Length' header will disable the default chunked encoding.
+     * * Sending an 'Expect' header will immediately send the request headers.
+     * Usually, when sending 'Expect: 100-continue', both a timeout and a listener
+     * for the `'continue'` event should be set. See RFC 2616 Section 8.2.3 for more
+     * information.
+     * * Sending an Authorization header will override using the `auth` option
+     * to compute basic authentication.
+     *
+     * Example using a `URL` as `options`:
+     *
+     * ```js
+     * const options = new URL('http://abc:xyz@example.com');
+     *
+     * const req = http.request(options, (res) => {
+     *   // ...
+     * });
+     * ```
+     *
+     * In a successful request, the following events will be emitted in the following
+     * order:
+     *
+     * * `'socket'`
+     * * `'response'`
+     *    * `'data'` any number of times, on the `res` object
+     *    (`'data'` will not be emitted at all if the response body is empty, for
+     *    instance, in most redirects)
+     *    * `'end'` on the `res` object
+     * * `'close'`
+     *
+     * In the case of a connection error, the following events will be emitted:
+     *
+     * * `'socket'`
+     * * `'error'`
+     * * `'close'`
+     *
+     * In the case of a premature connection close before the response is received,
+     * the following events will be emitted in the following order:
+     *
+     * * `'socket'`
+     * * `'error'` with an error with message `'Error: socket hang up'` and code`'ECONNRESET'`
+     * * `'close'`
+     *
+     * In the case of a premature connection close after the response is received,
+     * the following events will be emitted in the following order:
+     *
+     * * `'socket'`
+     * * `'response'`
+     *    * `'data'` any number of times, on the `res` object
+     * * (connection closed here)
+     * * `'aborted'` on the `res` object
+     * * `'error'` on the `res` object with an error with message`'Error: aborted'` and code `'ECONNRESET'`.
+     * * `'close'`
+     * * `'close'` on the `res` object
+     *
+     * If `req.destroy()` is called before a socket is assigned, the following
+     * events will be emitted in the following order:
+     *
+     * * (`req.destroy()` called here)
+     * * `'error'` with an error with message `'Error: socket hang up'` and code`'ECONNRESET'`
+     * * `'close'`
+     *
+     * If `req.destroy()` is called before the connection succeeds, the following
+     * events will be emitted in the following order:
+     *
+     * * `'socket'`
+     * * (`req.destroy()` called here)
+     * * `'error'` with an error with message `'Error: socket hang up'` and code`'ECONNRESET'`
+     * * `'close'`
+     *
+     * If `req.destroy()` is called after the response is received, the following
+     * events will be emitted in the following order:
+     *
+     * * `'socket'`
+     * * `'response'`
+     *    * `'data'` any number of times, on the `res` object
+     * * (`req.destroy()` called here)
+     * * `'aborted'` on the `res` object
+     * * `'error'` on the `res` object with an error with message`'Error: aborted'` and code `'ECONNRESET'`.
+     * * `'close'`
+     * * `'close'` on the `res` object
+     *
+     * If `req.abort()` is called before a socket is assigned, the following
+     * events will be emitted in the following order:
+     *
+     * * (`req.abort()` called here)
+     * * `'abort'`
+     * * `'close'`
+     *
+     * If `req.abort()` is called before the connection succeeds, the following
+     * events will be emitted in the following order:
+     *
+     * * `'socket'`
+     * * (`req.abort()` called here)
+     * * `'abort'`
+     * * `'error'` with an error with message `'Error: socket hang up'` and code`'ECONNRESET'`
+     * * `'close'`
+     *
+     * If `req.abort()` is called after the response is received, the following
+     * events will be emitted in the following order:
+     *
+     * * `'socket'`
+     * * `'response'`
+     *    * `'data'` any number of times, on the `res` object
+     * * (`req.abort()` called here)
+     * * `'abort'`
+     * * `'aborted'` on the `res` object
+     * * `'error'` on the `res` object with an error with message`'Error: aborted'` and code `'ECONNRESET'`.
+     * * `'close'`
+     * * `'close'` on the `res` object
+     *
+     * Setting the `timeout` option or using the `setTimeout()` function will
+     * not abort the request or do anything besides add a `'timeout'` event.
+     *
+     * Passing an `AbortSignal` and then calling `abort` on the corresponding`AbortController` will behave the same way as calling `.destroy()` on the
+     * request itself.
+     * @since v0.3.6
+     */
+    function request(options: RequestOptions | string | URL, callback?: (res: IncomingMessage) => void): ClientRequest;
+    function request(
+        url: string | URL,
+        options: RequestOptions,
+        callback?: (res: IncomingMessage) => void,
+    ): ClientRequest;
+    /**
+     * Since most requests are GET requests without bodies, Node.js provides this
+     * convenience method. The only difference between this method and {@link request} is that it sets the method to GET and calls `req.end()`automatically. The callback must take care to consume the
+     * response
+     * data for reasons stated in {@link ClientRequest} section.
+     *
+     * The `callback` is invoked with a single argument that is an instance of {@link IncomingMessage}.
+     *
+     * JSON fetching example:
+     *
+     * ```js
+     * http.get('http://localhost:8000/', (res) => {
+     *   const { statusCode } = res;
+     *   const contentType = res.headers['content-type'];
+     *
+     *   let error;
+     *   // Any 2xx status code signals a successful response but
+     *   // here we're only checking for 200.
+     *   if (statusCode !== 200) {
+     *     error = new Error('Request Failed.\n' +
+     *                       `Status Code: ${statusCode}`);
+     *   } else if (!/^application\/json/.test(contentType)) {
+     *     error = new Error('Invalid content-type.\n' +
+     *                       `Expected application/json but received ${contentType}`);
+     *   }
+     *   if (error) {
+     *     console.error(error.message);
+     *     // Consume response data to free up memory
+     *     res.resume();
+     *     return;
+     *   }
+     *
+     *   res.setEncoding('utf8');
+     *   let rawData = '';
+     *   res.on('data', (chunk) => { rawData += chunk; });
+     *   res.on('end', () => {
+     *     try {
+     *       const parsedData = JSON.parse(rawData);
+     *       console.log(parsedData);
+     *     } catch (e) {
+     *       console.error(e.message);
+     *     }
+     *   });
+     * }).on('error', (e) => {
+     *   console.error(`Got error: ${e.message}`);
+     * });
+     *
+     * // Create a local server to receive data from
+     * const server = http.createServer((req, res) => {
+     *   res.writeHead(200, { 'Content-Type': 'application/json' });
+     *   res.end(JSON.stringify({
+     *     data: 'Hello World!'
+     *   }));
+     * });
+     *
+     * server.listen(8000);
+     * ```
+     * @since v0.3.6
+     * @param options Accepts the same `options` as {@link request}, with the `method` always set to `GET`. Properties that are inherited from the prototype are ignored.
+     */
+    function get(options: RequestOptions | string | URL, callback?: (res: IncomingMessage) => void): ClientRequest;
+    function get(url: string | URL, options: RequestOptions, callback?: (res: IncomingMessage) => void): ClientRequest;
+    let globalAgent: Agent;
+    /**
+     * Read-only property specifying the maximum allowed size of HTTP headers in bytes.
+     * Defaults to 16KB. Configurable using the `--max-http-header-size` CLI option.
+     */
+    const maxHeaderSize: number;
+}
+declare module 'node:http' {
+    export * from 'http';
+}
diff --git a/node_modules/@types/node/http2.d.ts b/node_modules/@types/node/http2.d.ts
new file mode 100644
index 000000000..0f628b9d7
--- /dev/null
+++ b/node_modules/@types/node/http2.d.ts
@@ -0,0 +1,2106 @@
+/**
+ * The `http2` module provides an implementation of the [HTTP/2](https://tools.ietf.org/html/rfc7540) protocol. It
+ * can be accessed using:
+ *
+ * ```js
+ * const http2 = require('http2');
+ * ```
+ * @since v8.4.0
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/http2.js)
+ */
+declare module 'http2' {
+    import EventEmitter = require('node:events');
+    import * as fs from 'node:fs';
+    import * as net from 'node:net';
+    import * as stream from 'node:stream';
+    import * as tls from 'node:tls';
+    import * as url from 'node:url';
+    import { IncomingHttpHeaders as Http1IncomingHttpHeaders, OutgoingHttpHeaders, IncomingMessage, ServerResponse } from 'node:http';
+    export { OutgoingHttpHeaders } from 'node:http';
+    export interface IncomingHttpStatusHeader {
+        ':status'?: number | undefined;
+    }
+    export interface IncomingHttpHeaders extends Http1IncomingHttpHeaders {
+        ':path'?: string | undefined;
+        ':method'?: string | undefined;
+        ':authority'?: string | undefined;
+        ':scheme'?: string | undefined;
+    }
+    // Http2Stream
+    export interface StreamPriorityOptions {
+        exclusive?: boolean | undefined;
+        parent?: number | undefined;
+        weight?: number | undefined;
+        silent?: boolean | undefined;
+    }
+    export interface StreamState {
+        localWindowSize?: number | undefined;
+        state?: number | undefined;
+        localClose?: number | undefined;
+        remoteClose?: number | undefined;
+        sumDependencyWeight?: number | undefined;
+        weight?: number | undefined;
+    }
+    export interface ServerStreamResponseOptions {
+        endStream?: boolean | undefined;
+        waitForTrailers?: boolean | undefined;
+    }
+    export interface StatOptions {
+        offset: number;
+        length: number;
+    }
+    export interface ServerStreamFileResponseOptions {
+        statCheck?(stats: fs.Stats, headers: OutgoingHttpHeaders, statOptions: StatOptions): void | boolean;
+        waitForTrailers?: boolean | undefined;
+        offset?: number | undefined;
+        length?: number | undefined;
+    }
+    export interface ServerStreamFileResponseOptionsWithError extends ServerStreamFileResponseOptions {
+        onError?(err: NodeJS.ErrnoException): void;
+    }
+    export interface Http2Stream extends stream.Duplex {
+        /**
+         * Set to `true` if the `Http2Stream` instance was aborted abnormally. When set,
+         * the `'aborted'` event will have been emitted.
+         * @since v8.4.0
+         */
+        readonly aborted: boolean;
+        /**
+         * This property shows the number of characters currently buffered to be written.
+         * See `net.Socket.bufferSize` for details.
+         * @since v11.2.0, v10.16.0
+         */
+        readonly bufferSize: number;
+        /**
+         * Set to `true` if the `Http2Stream` instance has been closed.
+         * @since v9.4.0
+         */
+        readonly closed: boolean;
+        /**
+         * Set to `true` if the `Http2Stream` instance has been destroyed and is no longer
+         * usable.
+         * @since v8.4.0
+         */
+        readonly destroyed: boolean;
+        /**
+         * Set to `true` if the `END_STREAM` flag was set in the request or response
+         * HEADERS frame received, indicating that no additional data should be received
+         * and the readable side of the `Http2Stream` will be closed.
+         * @since v10.11.0
+         */
+        readonly endAfterHeaders: boolean;
+        /**
+         * The numeric stream identifier of this `Http2Stream` instance. Set to `undefined`if the stream identifier has not yet been assigned.
+         * @since v8.4.0
+         */
+        readonly id?: number | undefined;
+        /**
+         * Set to `true` if the `Http2Stream` instance has not yet been assigned a
+         * numeric stream identifier.
+         * @since v9.4.0
+         */
+        readonly pending: boolean;
+        /**
+         * Set to the `RST_STREAM` `error code` reported when the `Http2Stream` is
+         * destroyed after either receiving an `RST_STREAM` frame from the connected peer,
+         * calling `http2stream.close()`, or `http2stream.destroy()`. Will be`undefined` if the `Http2Stream` has not been closed.
+         * @since v8.4.0
+         */
+        readonly rstCode: number;
+        /**
+         * An object containing the outbound headers sent for this `Http2Stream`.
+         * @since v9.5.0
+         */
+        readonly sentHeaders: OutgoingHttpHeaders;
+        /**
+         * An array of objects containing the outbound informational (additional) headers
+         * sent for this `Http2Stream`.
+         * @since v9.5.0
+         */
+        readonly sentInfoHeaders?: OutgoingHttpHeaders[] | undefined;
+        /**
+         * An object containing the outbound trailers sent for this `HttpStream`.
+         * @since v9.5.0
+         */
+        readonly sentTrailers?: OutgoingHttpHeaders | undefined;
+        /**
+         * A reference to the `Http2Session` instance that owns this `Http2Stream`. The
+         * value will be `undefined` after the `Http2Stream` instance is destroyed.
+         * @since v8.4.0
+         */
+        readonly session: Http2Session;
+        /**
+         * Provides miscellaneous information about the current state of the`Http2Stream`.
+         *
+         * A current state of this `Http2Stream`.
+         * @since v8.4.0
+         */
+        readonly state: StreamState;
+        /**
+         * Closes the `Http2Stream` instance by sending an `RST_STREAM` frame to the
+         * connected HTTP/2 peer.
+         * @since v8.4.0
+         * @param [code=http2.constants.NGHTTP2_NO_ERROR] Unsigned 32-bit integer identifying the error code.
+         * @param callback An optional function registered to listen for the `'close'` event.
+         */
+        close(code?: number, callback?: () => void): void;
+        /**
+         * Updates the priority for this `Http2Stream` instance.
+         * @since v8.4.0
+         */
+        priority(options: StreamPriorityOptions): void;
+        /**
+         * ```js
+         * const http2 = require('http2');
+         * const client = http2.connect('http://example.org:8000');
+         * const { NGHTTP2_CANCEL } = http2.constants;
+         * const req = client.request({ ':path': '/' });
+         *
+         * // Cancel the stream if there's no activity after 5 seconds
+         * req.setTimeout(5000, () => req.close(NGHTTP2_CANCEL));
+         * ```
+         * @since v8.4.0
+         */
+        setTimeout(msecs: number, callback?: () => void): void;
+        /**
+         * Sends a trailing `HEADERS` frame to the connected HTTP/2 peer. This method
+         * will cause the `Http2Stream` to be immediately closed and must only be
+         * called after the `'wantTrailers'` event has been emitted. When sending a
+         * request or sending a response, the `options.waitForTrailers` option must be set
+         * in order to keep the `Http2Stream` open after the final `DATA` frame so that
+         * trailers can be sent.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   stream.respond(undefined, { waitForTrailers: true });
+         *   stream.on('wantTrailers', () => {
+         *     stream.sendTrailers({ xyz: 'abc' });
+         *   });
+         *   stream.end('Hello World');
+         * });
+         * ```
+         *
+         * The HTTP/1 specification forbids trailers from containing HTTP/2 pseudo-header
+         * fields (e.g. `':method'`, `':path'`, etc).
+         * @since v10.0.0
+         */
+        sendTrailers(headers: OutgoingHttpHeaders): void;
+        addListener(event: 'aborted', listener: () => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        addListener(event: 'drain', listener: () => void): this;
+        addListener(event: 'end', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'finish', listener: () => void): this;
+        addListener(event: 'frameError', listener: (frameType: number, errorCode: number) => void): this;
+        addListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: 'streamClosed', listener: (code: number) => void): this;
+        addListener(event: 'timeout', listener: () => void): this;
+        addListener(event: 'trailers', listener: (trailers: IncomingHttpHeaders, flags: number) => void): this;
+        addListener(event: 'wantTrailers', listener: () => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'aborted'): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'data', chunk: Buffer | string): boolean;
+        emit(event: 'drain'): boolean;
+        emit(event: 'end'): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'finish'): boolean;
+        emit(event: 'frameError', frameType: number, errorCode: number): boolean;
+        emit(event: 'pipe', src: stream.Readable): boolean;
+        emit(event: 'unpipe', src: stream.Readable): boolean;
+        emit(event: 'streamClosed', code: number): boolean;
+        emit(event: 'timeout'): boolean;
+        emit(event: 'trailers', trailers: IncomingHttpHeaders, flags: number): boolean;
+        emit(event: 'wantTrailers'): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'aborted', listener: () => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        on(event: 'drain', listener: () => void): this;
+        on(event: 'end', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'finish', listener: () => void): this;
+        on(event: 'frameError', listener: (frameType: number, errorCode: number) => void): this;
+        on(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        on(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        on(event: 'streamClosed', listener: (code: number) => void): this;
+        on(event: 'timeout', listener: () => void): this;
+        on(event: 'trailers', listener: (trailers: IncomingHttpHeaders, flags: number) => void): this;
+        on(event: 'wantTrailers', listener: () => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'aborted', listener: () => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        once(event: 'drain', listener: () => void): this;
+        once(event: 'end', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'finish', listener: () => void): this;
+        once(event: 'frameError', listener: (frameType: number, errorCode: number) => void): this;
+        once(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        once(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        once(event: 'streamClosed', listener: (code: number) => void): this;
+        once(event: 'timeout', listener: () => void): this;
+        once(event: 'trailers', listener: (trailers: IncomingHttpHeaders, flags: number) => void): this;
+        once(event: 'wantTrailers', listener: () => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'aborted', listener: () => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        prependListener(event: 'drain', listener: () => void): this;
+        prependListener(event: 'end', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'finish', listener: () => void): this;
+        prependListener(event: 'frameError', listener: (frameType: number, errorCode: number) => void): this;
+        prependListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: 'streamClosed', listener: (code: number) => void): this;
+        prependListener(event: 'timeout', listener: () => void): this;
+        prependListener(event: 'trailers', listener: (trailers: IncomingHttpHeaders, flags: number) => void): this;
+        prependListener(event: 'wantTrailers', listener: () => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'aborted', listener: () => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        prependOnceListener(event: 'drain', listener: () => void): this;
+        prependOnceListener(event: 'end', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'finish', listener: () => void): this;
+        prependOnceListener(event: 'frameError', listener: (frameType: number, errorCode: number) => void): this;
+        prependOnceListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: 'streamClosed', listener: (code: number) => void): this;
+        prependOnceListener(event: 'timeout', listener: () => void): this;
+        prependOnceListener(event: 'trailers', listener: (trailers: IncomingHttpHeaders, flags: number) => void): this;
+        prependOnceListener(event: 'wantTrailers', listener: () => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    export interface ClientHttp2Stream extends Http2Stream {
+        addListener(event: 'continue', listener: () => {}): this;
+        addListener(event: 'headers', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        addListener(event: 'push', listener: (headers: IncomingHttpHeaders, flags: number) => void): this;
+        addListener(event: 'response', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'continue'): boolean;
+        emit(event: 'headers', headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number): boolean;
+        emit(event: 'push', headers: IncomingHttpHeaders, flags: number): boolean;
+        emit(event: 'response', headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'continue', listener: () => {}): this;
+        on(event: 'headers', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        on(event: 'push', listener: (headers: IncomingHttpHeaders, flags: number) => void): this;
+        on(event: 'response', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'continue', listener: () => {}): this;
+        once(event: 'headers', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        once(event: 'push', listener: (headers: IncomingHttpHeaders, flags: number) => void): this;
+        once(event: 'response', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'continue', listener: () => {}): this;
+        prependListener(event: 'headers', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        prependListener(event: 'push', listener: (headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependListener(event: 'response', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'continue', listener: () => {}): this;
+        prependOnceListener(event: 'headers', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        prependOnceListener(event: 'push', listener: (headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependOnceListener(event: 'response', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    export interface ServerHttp2Stream extends Http2Stream {
+        /**
+         * True if headers were sent, false otherwise (read-only).
+         * @since v8.4.0
+         */
+        readonly headersSent: boolean;
+        /**
+         * Read-only property mapped to the `SETTINGS_ENABLE_PUSH` flag of the remote
+         * client's most recent `SETTINGS` frame. Will be `true` if the remote peer
+         * accepts push streams, `false` otherwise. Settings are the same for every`Http2Stream` in the same `Http2Session`.
+         * @since v8.4.0
+         */
+        readonly pushAllowed: boolean;
+        /**
+         * Sends an additional informational `HEADERS` frame to the connected HTTP/2 peer.
+         * @since v8.4.0
+         */
+        additionalHeaders(headers: OutgoingHttpHeaders): void;
+        /**
+         * Initiates a push stream. The callback is invoked with the new `Http2Stream`instance created for the push stream passed as the second argument, or an`Error` passed as the first argument.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   stream.respond({ ':status': 200 });
+         *   stream.pushStream({ ':path': '/' }, (err, pushStream, headers) => {
+         *     if (err) throw err;
+         *     pushStream.respond({ ':status': 200 });
+         *     pushStream.end('some pushed data');
+         *   });
+         *   stream.end('some data');
+         * });
+         * ```
+         *
+         * Setting the weight of a push stream is not allowed in the `HEADERS` frame. Pass
+         * a `weight` value to `http2stream.priority` with the `silent` option set to`true` to enable server-side bandwidth balancing between concurrent streams.
+         *
+         * Calling `http2stream.pushStream()` from within a pushed stream is not permitted
+         * and will throw an error.
+         * @since v8.4.0
+         * @param callback Callback that is called once the push stream has been initiated.
+         */
+        pushStream(headers: OutgoingHttpHeaders, callback?: (err: Error | null, pushStream: ServerHttp2Stream, headers: OutgoingHttpHeaders) => void): void;
+        pushStream(headers: OutgoingHttpHeaders, options?: StreamPriorityOptions, callback?: (err: Error | null, pushStream: ServerHttp2Stream, headers: OutgoingHttpHeaders) => void): void;
+        /**
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   stream.respond({ ':status': 200 });
+         *   stream.end('some data');
+         * });
+         * ```
+         *
+         * When the `options.waitForTrailers` option is set, the `'wantTrailers'` event
+         * will be emitted immediately after queuing the last chunk of payload data to be
+         * sent. The `http2stream.sendTrailers()` method can then be used to sent trailing
+         * header fields to the peer.
+         *
+         * When `options.waitForTrailers` is set, the `Http2Stream` will not automatically
+         * close when the final `DATA` frame is transmitted. User code must call either`http2stream.sendTrailers()` or `http2stream.close()` to close the`Http2Stream`.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   stream.respond({ ':status': 200 }, { waitForTrailers: true });
+         *   stream.on('wantTrailers', () => {
+         *     stream.sendTrailers({ ABC: 'some value to send' });
+         *   });
+         *   stream.end('some data');
+         * });
+         * ```
+         * @since v8.4.0
+         */
+        respond(headers?: OutgoingHttpHeaders, options?: ServerStreamResponseOptions): void;
+        /**
+         * Initiates a response whose data is read from the given file descriptor. No
+         * validation is performed on the given file descriptor. If an error occurs while
+         * attempting to read data using the file descriptor, the `Http2Stream` will be
+         * closed using an `RST_STREAM` frame using the standard `INTERNAL_ERROR` code.
+         *
+         * When used, the `Http2Stream` object's `Duplex` interface will be closed
+         * automatically.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const fs = require('fs');
+         *
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   const fd = fs.openSync('/some/file', 'r');
+         *
+         *   const stat = fs.fstatSync(fd);
+         *   const headers = {
+         *     'content-length': stat.size,
+         *     'last-modified': stat.mtime.toUTCString(),
+         *     'content-type': 'text/plain; charset=utf-8'
+         *   };
+         *   stream.respondWithFD(fd, headers);
+         *   stream.on('close', () => fs.closeSync(fd));
+         * });
+         * ```
+         *
+         * The optional `options.statCheck` function may be specified to give user code
+         * an opportunity to set additional content headers based on the `fs.Stat` details
+         * of the given fd. If the `statCheck` function is provided, the`http2stream.respondWithFD()` method will perform an `fs.fstat()` call to
+         * collect details on the provided file descriptor.
+         *
+         * The `offset` and `length` options may be used to limit the response to a
+         * specific range subset. This can be used, for instance, to support HTTP Range
+         * requests.
+         *
+         * The file descriptor or `FileHandle` is not closed when the stream is closed,
+         * so it will need to be closed manually once it is no longer needed.
+         * Using the same file descriptor concurrently for multiple streams
+         * is not supported and may result in data loss. Re-using a file descriptor
+         * after a stream has finished is supported.
+         *
+         * When the `options.waitForTrailers` option is set, the `'wantTrailers'` event
+         * will be emitted immediately after queuing the last chunk of payload data to be
+         * sent. The `http2stream.sendTrailers()` method can then be used to sent trailing
+         * header fields to the peer.
+         *
+         * When `options.waitForTrailers` is set, the `Http2Stream` will not automatically
+         * close when the final `DATA` frame is transmitted. User code _must_ call either`http2stream.sendTrailers()` or `http2stream.close()` to close the`Http2Stream`.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const fs = require('fs');
+         *
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   const fd = fs.openSync('/some/file', 'r');
+         *
+         *   const stat = fs.fstatSync(fd);
+         *   const headers = {
+         *     'content-length': stat.size,
+         *     'last-modified': stat.mtime.toUTCString(),
+         *     'content-type': 'text/plain; charset=utf-8'
+         *   };
+         *   stream.respondWithFD(fd, headers, { waitForTrailers: true });
+         *   stream.on('wantTrailers', () => {
+         *     stream.sendTrailers({ ABC: 'some value to send' });
+         *   });
+         *
+         *   stream.on('close', () => fs.closeSync(fd));
+         * });
+         * ```
+         * @since v8.4.0
+         * @param fd A readable file descriptor.
+         */
+        respondWithFD(fd: number | fs.promises.FileHandle, headers?: OutgoingHttpHeaders, options?: ServerStreamFileResponseOptions): void;
+        /**
+         * Sends a regular file as the response. The `path` must specify a regular file
+         * or an `'error'` event will be emitted on the `Http2Stream` object.
+         *
+         * When used, the `Http2Stream` object's `Duplex` interface will be closed
+         * automatically.
+         *
+         * The optional `options.statCheck` function may be specified to give user code
+         * an opportunity to set additional content headers based on the `fs.Stat` details
+         * of the given file:
+         *
+         * If an error occurs while attempting to read the file data, the `Http2Stream`will be closed using an `RST_STREAM` frame using the standard `INTERNAL_ERROR`code. If the `onError` callback is
+         * defined, then it will be called. Otherwise
+         * the stream will be destroyed.
+         *
+         * Example using a file path:
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   function statCheck(stat, headers) {
+         *     headers['last-modified'] = stat.mtime.toUTCString();
+         *   }
+         *
+         *   function onError(err) {
+         *     // stream.respond() can throw if the stream has been destroyed by
+         *     // the other side.
+         *     try {
+         *       if (err.code === 'ENOENT') {
+         *         stream.respond({ ':status': 404 });
+         *       } else {
+         *         stream.respond({ ':status': 500 });
+         *       }
+         *     } catch (err) {
+         *       // Perform actual error handling.
+         *       console.log(err);
+         *     }
+         *     stream.end();
+         *   }
+         *
+         *   stream.respondWithFile('/some/file',
+         *                          { 'content-type': 'text/plain; charset=utf-8' },
+         *                          { statCheck, onError });
+         * });
+         * ```
+         *
+         * The `options.statCheck` function may also be used to cancel the send operation
+         * by returning `false`. For instance, a conditional request may check the stat
+         * results to determine if the file has been modified to return an appropriate`304` response:
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   function statCheck(stat, headers) {
+         *     // Check the stat here...
+         *     stream.respond({ ':status': 304 });
+         *     return false; // Cancel the send operation
+         *   }
+         *   stream.respondWithFile('/some/file',
+         *                          { 'content-type': 'text/plain; charset=utf-8' },
+         *                          { statCheck });
+         * });
+         * ```
+         *
+         * The `content-length` header field will be automatically set.
+         *
+         * The `offset` and `length` options may be used to limit the response to a
+         * specific range subset. This can be used, for instance, to support HTTP Range
+         * requests.
+         *
+         * The `options.onError` function may also be used to handle all the errors
+         * that could happen before the delivery of the file is initiated. The
+         * default behavior is to destroy the stream.
+         *
+         * When the `options.waitForTrailers` option is set, the `'wantTrailers'` event
+         * will be emitted immediately after queuing the last chunk of payload data to be
+         * sent. The `http2stream.sendTrailers()` method can then be used to sent trailing
+         * header fields to the peer.
+         *
+         * When `options.waitForTrailers` is set, the `Http2Stream` will not automatically
+         * close when the final `DATA` frame is transmitted. User code must call either`http2stream.sendTrailers()` or `http2stream.close()` to close the`Http2Stream`.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   stream.respondWithFile('/some/file',
+         *                          { 'content-type': 'text/plain; charset=utf-8' },
+         *                          { waitForTrailers: true });
+         *   stream.on('wantTrailers', () => {
+         *     stream.sendTrailers({ ABC: 'some value to send' });
+         *   });
+         * });
+         * ```
+         * @since v8.4.0
+         */
+        respondWithFile(path: string, headers?: OutgoingHttpHeaders, options?: ServerStreamFileResponseOptionsWithError): void;
+    }
+    // Http2Session
+    export interface Settings {
+        headerTableSize?: number | undefined;
+        enablePush?: boolean | undefined;
+        initialWindowSize?: number | undefined;
+        maxFrameSize?: number | undefined;
+        maxConcurrentStreams?: number | undefined;
+        maxHeaderListSize?: number | undefined;
+        enableConnectProtocol?: boolean | undefined;
+    }
+    export interface ClientSessionRequestOptions {
+        endStream?: boolean | undefined;
+        exclusive?: boolean | undefined;
+        parent?: number | undefined;
+        weight?: number | undefined;
+        waitForTrailers?: boolean | undefined;
+        signal?: AbortSignal | undefined;
+    }
+    export interface SessionState {
+        effectiveLocalWindowSize?: number | undefined;
+        effectiveRecvDataLength?: number | undefined;
+        nextStreamID?: number | undefined;
+        localWindowSize?: number | undefined;
+        lastProcStreamID?: number | undefined;
+        remoteWindowSize?: number | undefined;
+        outboundQueueSize?: number | undefined;
+        deflateDynamicTableSize?: number | undefined;
+        inflateDynamicTableSize?: number | undefined;
+    }
+    export interface Http2Session extends EventEmitter {
+        /**
+         * Value will be `undefined` if the `Http2Session` is not yet connected to a
+         * socket, `h2c` if the `Http2Session` is not connected to a `TLSSocket`, or
+         * will return the value of the connected `TLSSocket`'s own `alpnProtocol`property.
+         * @since v9.4.0
+         */
+        readonly alpnProtocol?: string | undefined;
+        /**
+         * Will be `true` if this `Http2Session` instance has been closed, otherwise`false`.
+         * @since v9.4.0
+         */
+        readonly closed: boolean;
+        /**
+         * Will be `true` if this `Http2Session` instance is still connecting, will be set
+         * to `false` before emitting `connect` event and/or calling the `http2.connect`callback.
+         * @since v10.0.0
+         */
+        readonly connecting: boolean;
+        /**
+         * Will be `true` if this `Http2Session` instance has been destroyed and must no
+         * longer be used, otherwise `false`.
+         * @since v8.4.0
+         */
+        readonly destroyed: boolean;
+        /**
+         * Value is `undefined` if the `Http2Session` session socket has not yet been
+         * connected, `true` if the `Http2Session` is connected with a `TLSSocket`,
+         * and `false` if the `Http2Session` is connected to any other kind of socket
+         * or stream.
+         * @since v9.4.0
+         */
+        readonly encrypted?: boolean | undefined;
+        /**
+         * A prototype-less object describing the current local settings of this`Http2Session`. The local settings are local to _this_`Http2Session` instance.
+         * @since v8.4.0
+         */
+        readonly localSettings: Settings;
+        /**
+         * If the `Http2Session` is connected to a `TLSSocket`, the `originSet` property
+         * will return an `Array` of origins for which the `Http2Session` may be
+         * considered authoritative.
+         *
+         * The `originSet` property is only available when using a secure TLS connection.
+         * @since v9.4.0
+         */
+        readonly originSet?: string[] | undefined;
+        /**
+         * Indicates whether the `Http2Session` is currently waiting for acknowledgment of
+         * a sent `SETTINGS` frame. Will be `true` after calling the`http2session.settings()` method. Will be `false` once all sent `SETTINGS`frames have been acknowledged.
+         * @since v8.4.0
+         */
+        readonly pendingSettingsAck: boolean;
+        /**
+         * A prototype-less object describing the current remote settings of this`Http2Session`. The remote settings are set by the _connected_ HTTP/2 peer.
+         * @since v8.4.0
+         */
+        readonly remoteSettings: Settings;
+        /**
+         * Returns a `Proxy` object that acts as a `net.Socket` (or `tls.TLSSocket`) but
+         * limits available methods to ones safe to use with HTTP/2.
+         *
+         * `destroy`, `emit`, `end`, `pause`, `read`, `resume`, and `write` will throw
+         * an error with code `ERR_HTTP2_NO_SOCKET_MANIPULATION`. See `Http2Session and Sockets` for more information.
+         *
+         * `setTimeout` method will be called on this `Http2Session`.
+         *
+         * All other interactions will be routed directly to the socket.
+         * @since v8.4.0
+         */
+        readonly socket: net.Socket | tls.TLSSocket;
+        /**
+         * Provides miscellaneous information about the current state of the`Http2Session`.
+         *
+         * An object describing the current status of this `Http2Session`.
+         * @since v8.4.0
+         */
+        readonly state: SessionState;
+        /**
+         * The `http2session.type` will be equal to`http2.constants.NGHTTP2_SESSION_SERVER` if this `Http2Session` instance is a
+         * server, and `http2.constants.NGHTTP2_SESSION_CLIENT` if the instance is a
+         * client.
+         * @since v8.4.0
+         */
+        readonly type: number;
+        /**
+         * Gracefully closes the `Http2Session`, allowing any existing streams to
+         * complete on their own and preventing new `Http2Stream` instances from being
+         * created. Once closed, `http2session.destroy()`_might_ be called if there
+         * are no open `Http2Stream` instances.
+         *
+         * If specified, the `callback` function is registered as a handler for the`'close'` event.
+         * @since v9.4.0
+         */
+        close(callback?: () => void): void;
+        /**
+         * Immediately terminates the `Http2Session` and the associated `net.Socket` or`tls.TLSSocket`.
+         *
+         * Once destroyed, the `Http2Session` will emit the `'close'` event. If `error`is not undefined, an `'error'` event will be emitted immediately before the`'close'` event.
+         *
+         * If there are any remaining open `Http2Streams` associated with the`Http2Session`, those will also be destroyed.
+         * @since v8.4.0
+         * @param error An `Error` object if the `Http2Session` is being destroyed due to an error.
+         * @param code The HTTP/2 error code to send in the final `GOAWAY` frame. If unspecified, and `error` is not undefined, the default is `INTERNAL_ERROR`, otherwise defaults to `NO_ERROR`.
+         */
+        destroy(error?: Error, code?: number): void;
+        /**
+         * Transmits a `GOAWAY` frame to the connected peer _without_ shutting down the`Http2Session`.
+         * @since v9.4.0
+         * @param code An HTTP/2 error code
+         * @param lastStreamID The numeric ID of the last processed `Http2Stream`
+         * @param opaqueData A `TypedArray` or `DataView` instance containing additional data to be carried within the `GOAWAY` frame.
+         */
+        goaway(code?: number, lastStreamID?: number, opaqueData?: NodeJS.ArrayBufferView): void;
+        /**
+         * Sends a `PING` frame to the connected HTTP/2 peer. A `callback` function must
+         * be provided. The method will return `true` if the `PING` was sent, `false`otherwise.
+         *
+         * The maximum number of outstanding (unacknowledged) pings is determined by the`maxOutstandingPings` configuration option. The default maximum is 10.
+         *
+         * If provided, the `payload` must be a `Buffer`, `TypedArray`, or `DataView`containing 8 bytes of data that will be transmitted with the `PING` and
+         * returned with the ping acknowledgment.
+         *
+         * The callback will be invoked with three arguments: an error argument that will
+         * be `null` if the `PING` was successfully acknowledged, a `duration` argument
+         * that reports the number of milliseconds elapsed since the ping was sent and the
+         * acknowledgment was received, and a `Buffer` containing the 8-byte `PING`payload.
+         *
+         * ```js
+         * session.ping(Buffer.from('abcdefgh'), (err, duration, payload) => {
+         *   if (!err) {
+         *     console.log(`Ping acknowledged in ${duration} milliseconds`);
+         *     console.log(`With payload '${payload.toString()}'`);
+         *   }
+         * });
+         * ```
+         *
+         * If the `payload` argument is not specified, the default payload will be the
+         * 64-bit timestamp (little endian) marking the start of the `PING` duration.
+         * @since v8.9.3
+         * @param payload Optional ping payload.
+         */
+        ping(callback: (err: Error | null, duration: number, payload: Buffer) => void): boolean;
+        ping(payload: NodeJS.ArrayBufferView, callback: (err: Error | null, duration: number, payload: Buffer) => void): boolean;
+        /**
+         * Calls `ref()` on this `Http2Session`instance's underlying `net.Socket`.
+         * @since v9.4.0
+         */
+        ref(): void;
+        /**
+         * Sets the local endpoint's window size.
+         * The `windowSize` is the total window size to set, not
+         * the delta.
+         *
+         * ```js
+         * const http2 = require('http2');
+         *
+         * const server = http2.createServer();
+         * const expectedWindowSize = 2 ** 20;
+         * server.on('connect', (session) => {
+         *
+         *   // Set local window size to be 2 ** 20
+         *   session.setLocalWindowSize(expectedWindowSize);
+         * });
+         * ```
+         * @since v15.3.0, v14.18.0
+         */
+        setLocalWindowSize(windowSize: number): void;
+        /**
+         * Used to set a callback function that is called when there is no activity on
+         * the `Http2Session` after `msecs` milliseconds. The given `callback` is
+         * registered as a listener on the `'timeout'` event.
+         * @since v8.4.0
+         */
+        setTimeout(msecs: number, callback?: () => void): void;
+        /**
+         * Updates the current local settings for this `Http2Session` and sends a new`SETTINGS` frame to the connected HTTP/2 peer.
+         *
+         * Once called, the `http2session.pendingSettingsAck` property will be `true`while the session is waiting for the remote peer to acknowledge the new
+         * settings.
+         *
+         * The new settings will not become effective until the `SETTINGS` acknowledgment
+         * is received and the `'localSettings'` event is emitted. It is possible to send
+         * multiple `SETTINGS` frames while acknowledgment is still pending.
+         * @since v8.4.0
+         * @param callback Callback that is called once the session is connected or right away if the session is already connected.
+         */
+        settings(settings: Settings, callback?: (err: Error | null, settings: Settings, duration: number) => void): void;
+        /**
+         * Calls `unref()` on this `Http2Session`instance's underlying `net.Socket`.
+         * @since v9.4.0
+         */
+        unref(): void;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'frameError', listener: (frameType: number, errorCode: number, streamID: number) => void): this;
+        addListener(event: 'goaway', listener: (errorCode: number, lastStreamID: number, opaqueData: Buffer) => void): this;
+        addListener(event: 'localSettings', listener: (settings: Settings) => void): this;
+        addListener(event: 'ping', listener: () => void): this;
+        addListener(event: 'remoteSettings', listener: (settings: Settings) => void): this;
+        addListener(event: 'timeout', listener: () => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'close'): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'frameError', frameType: number, errorCode: number, streamID: number): boolean;
+        emit(event: 'goaway', errorCode: number, lastStreamID: number, opaqueData: Buffer): boolean;
+        emit(event: 'localSettings', settings: Settings): boolean;
+        emit(event: 'ping'): boolean;
+        emit(event: 'remoteSettings', settings: Settings): boolean;
+        emit(event: 'timeout'): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'frameError', listener: (frameType: number, errorCode: number, streamID: number) => void): this;
+        on(event: 'goaway', listener: (errorCode: number, lastStreamID: number, opaqueData: Buffer) => void): this;
+        on(event: 'localSettings', listener: (settings: Settings) => void): this;
+        on(event: 'ping', listener: () => void): this;
+        on(event: 'remoteSettings', listener: (settings: Settings) => void): this;
+        on(event: 'timeout', listener: () => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'frameError', listener: (frameType: number, errorCode: number, streamID: number) => void): this;
+        once(event: 'goaway', listener: (errorCode: number, lastStreamID: number, opaqueData: Buffer) => void): this;
+        once(event: 'localSettings', listener: (settings: Settings) => void): this;
+        once(event: 'ping', listener: () => void): this;
+        once(event: 'remoteSettings', listener: (settings: Settings) => void): this;
+        once(event: 'timeout', listener: () => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'frameError', listener: (frameType: number, errorCode: number, streamID: number) => void): this;
+        prependListener(event: 'goaway', listener: (errorCode: number, lastStreamID: number, opaqueData: Buffer) => void): this;
+        prependListener(event: 'localSettings', listener: (settings: Settings) => void): this;
+        prependListener(event: 'ping', listener: () => void): this;
+        prependListener(event: 'remoteSettings', listener: (settings: Settings) => void): this;
+        prependListener(event: 'timeout', listener: () => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'frameError', listener: (frameType: number, errorCode: number, streamID: number) => void): this;
+        prependOnceListener(event: 'goaway', listener: (errorCode: number, lastStreamID: number, opaqueData: Buffer) => void): this;
+        prependOnceListener(event: 'localSettings', listener: (settings: Settings) => void): this;
+        prependOnceListener(event: 'ping', listener: () => void): this;
+        prependOnceListener(event: 'remoteSettings', listener: (settings: Settings) => void): this;
+        prependOnceListener(event: 'timeout', listener: () => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    export interface ClientHttp2Session extends Http2Session {
+        /**
+         * For HTTP/2 Client `Http2Session` instances only, the `http2session.request()`creates and returns an `Http2Stream` instance that can be used to send an
+         * HTTP/2 request to the connected server.
+         *
+         * When a `ClientHttp2Session` is first created, the socket may not yet be
+         * connected. if `clienthttp2session.request()` is called during this time, the
+         * actual request will be deferred until the socket is ready to go.
+         * If the `session` is closed before the actual request be executed, an`ERR_HTTP2_GOAWAY_SESSION` is thrown.
+         *
+         * This method is only available if `http2session.type` is equal to`http2.constants.NGHTTP2_SESSION_CLIENT`.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const clientSession = http2.connect('https://localhost:1234');
+         * const {
+         *   HTTP2_HEADER_PATH,
+         *   HTTP2_HEADER_STATUS
+         * } = http2.constants;
+         *
+         * const req = clientSession.request({ [HTTP2_HEADER_PATH]: '/' });
+         * req.on('response', (headers) => {
+         *   console.log(headers[HTTP2_HEADER_STATUS]);
+         *   req.on('data', (chunk) => { // ..  });
+         *   req.on('end', () => { // ..  });
+         * });
+         * ```
+         *
+         * When the `options.waitForTrailers` option is set, the `'wantTrailers'` event
+         * is emitted immediately after queuing the last chunk of payload data to be sent.
+         * The `http2stream.sendTrailers()` method can then be called to send trailing
+         * headers to the peer.
+         *
+         * When `options.waitForTrailers` is set, the `Http2Stream` will not automatically
+         * close when the final `DATA` frame is transmitted. User code must call either`http2stream.sendTrailers()` or `http2stream.close()` to close the`Http2Stream`.
+         *
+         * When `options.signal` is set with an `AbortSignal` and then `abort` on the
+         * corresponding `AbortController` is called, the request will emit an `'error'`event with an `AbortError` error.
+         *
+         * The `:method` and `:path` pseudo-headers are not specified within `headers`,
+         * they respectively default to:
+         *
+         * * `:method` \= `'GET'`
+         * * `:path` \= `/`
+         * @since v8.4.0
+         */
+        request(headers?: OutgoingHttpHeaders, options?: ClientSessionRequestOptions): ClientHttp2Stream;
+        addListener(event: 'altsvc', listener: (alt: string, origin: string, stream: number) => void): this;
+        addListener(event: 'origin', listener: (origins: string[]) => void): this;
+        addListener(event: 'connect', listener: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        addListener(event: 'stream', listener: (stream: ClientHttp2Stream, headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'altsvc', alt: string, origin: string, stream: number): boolean;
+        emit(event: 'origin', origins: ReadonlyArray<string>): boolean;
+        emit(event: 'connect', session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket): boolean;
+        emit(event: 'stream', stream: ClientHttp2Stream, headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'altsvc', listener: (alt: string, origin: string, stream: number) => void): this;
+        on(event: 'origin', listener: (origins: string[]) => void): this;
+        on(event: 'connect', listener: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        on(event: 'stream', listener: (stream: ClientHttp2Stream, headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'altsvc', listener: (alt: string, origin: string, stream: number) => void): this;
+        once(event: 'origin', listener: (origins: string[]) => void): this;
+        once(event: 'connect', listener: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        once(event: 'stream', listener: (stream: ClientHttp2Stream, headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'altsvc', listener: (alt: string, origin: string, stream: number) => void): this;
+        prependListener(event: 'origin', listener: (origins: string[]) => void): this;
+        prependListener(event: 'connect', listener: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        prependListener(event: 'stream', listener: (stream: ClientHttp2Stream, headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'altsvc', listener: (alt: string, origin: string, stream: number) => void): this;
+        prependOnceListener(event: 'origin', listener: (origins: string[]) => void): this;
+        prependOnceListener(event: 'connect', listener: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        prependOnceListener(event: 'stream', listener: (stream: ClientHttp2Stream, headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    export interface AlternativeServiceOptions {
+        origin: number | string | url.URL;
+    }
+    export interface ServerHttp2Session extends Http2Session {
+        readonly server: Http2Server | Http2SecureServer;
+        /**
+         * Submits an `ALTSVC` frame (as defined by [RFC 7838](https://tools.ietf.org/html/rfc7838)) to the connected client.
+         *
+         * ```js
+         * const http2 = require('http2');
+         *
+         * const server = http2.createServer();
+         * server.on('session', (session) => {
+         *   // Set altsvc for origin https://example.org:80
+         *   session.altsvc('h2=":8000"', 'https://example.org:80');
+         * });
+         *
+         * server.on('stream', (stream) => {
+         *   // Set altsvc for a specific stream
+         *   stream.session.altsvc('h2=":8000"', stream.id);
+         * });
+         * ```
+         *
+         * Sending an `ALTSVC` frame with a specific stream ID indicates that the alternate
+         * service is associated with the origin of the given `Http2Stream`.
+         *
+         * The `alt` and origin string _must_ contain only ASCII bytes and are
+         * strictly interpreted as a sequence of ASCII bytes. The special value `'clear'`may be passed to clear any previously set alternative service for a given
+         * domain.
+         *
+         * When a string is passed for the `originOrStream` argument, it will be parsed as
+         * a URL and the origin will be derived. For instance, the origin for the
+         * HTTP URL `'https://example.org/foo/bar'` is the ASCII string`'https://example.org'`. An error will be thrown if either the given string
+         * cannot be parsed as a URL or if a valid origin cannot be derived.
+         *
+         * A `URL` object, or any object with an `origin` property, may be passed as`originOrStream`, in which case the value of the `origin` property will be
+         * used. The value of the `origin` property _must_ be a properly serialized
+         * ASCII origin.
+         * @since v9.4.0
+         * @param alt A description of the alternative service configuration as defined by `RFC 7838`.
+         * @param originOrStream Either a URL string specifying the origin (or an `Object` with an `origin` property) or the numeric identifier of an active `Http2Stream` as given by the
+         * `http2stream.id` property.
+         */
+        altsvc(alt: string, originOrStream: number | string | url.URL | AlternativeServiceOptions): void;
+        /**
+         * Submits an `ORIGIN` frame (as defined by [RFC 8336](https://tools.ietf.org/html/rfc8336)) to the connected client
+         * to advertise the set of origins for which the server is capable of providing
+         * authoritative responses.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const options = getSecureOptionsSomehow();
+         * const server = http2.createSecureServer(options);
+         * server.on('stream', (stream) => {
+         *   stream.respond();
+         *   stream.end('ok');
+         * });
+         * server.on('session', (session) => {
+         *   session.origin('https://example.com', 'https://example.org');
+         * });
+         * ```
+         *
+         * When a string is passed as an `origin`, it will be parsed as a URL and the
+         * origin will be derived. For instance, the origin for the HTTP URL`'https://example.org/foo/bar'` is the ASCII string`'https://example.org'`. An error will be thrown if either the given
+         * string
+         * cannot be parsed as a URL or if a valid origin cannot be derived.
+         *
+         * A `URL` object, or any object with an `origin` property, may be passed as
+         * an `origin`, in which case the value of the `origin` property will be
+         * used. The value of the `origin` property _must_ be a properly serialized
+         * ASCII origin.
+         *
+         * Alternatively, the `origins` option may be used when creating a new HTTP/2
+         * server using the `http2.createSecureServer()` method:
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const options = getSecureOptionsSomehow();
+         * options.origins = ['https://example.com', 'https://example.org'];
+         * const server = http2.createSecureServer(options);
+         * server.on('stream', (stream) => {
+         *   stream.respond();
+         *   stream.end('ok');
+         * });
+         * ```
+         * @since v10.12.0
+         * @param origins One or more URL Strings passed as separate arguments.
+         */
+        origin(
+            ...origins: Array<
+                | string
+                | url.URL
+                | {
+                      origin: string;
+                  }
+            >
+        ): void;
+        addListener(event: 'connect', listener: (session: ServerHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        addListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'connect', session: ServerHttp2Session, socket: net.Socket | tls.TLSSocket): boolean;
+        emit(event: 'stream', stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'connect', listener: (session: ServerHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        on(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'connect', listener: (session: ServerHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        once(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'connect', listener: (session: ServerHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        prependListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'connect', listener: (session: ServerHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        prependOnceListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    // Http2Server
+    export interface SessionOptions {
+        maxDeflateDynamicTableSize?: number | undefined;
+        maxSessionMemory?: number | undefined;
+        maxHeaderListPairs?: number | undefined;
+        maxOutstandingPings?: number | undefined;
+        maxSendHeaderBlockLength?: number | undefined;
+        paddingStrategy?: number | undefined;
+        peerMaxConcurrentStreams?: number | undefined;
+        settings?: Settings | undefined;
+        /**
+         * Specifies a timeout in milliseconds that
+         * a server should wait when an [`'unknownProtocol'`][] is emitted. If the
+         * socket has not been destroyed by that time the server will destroy it.
+         * @default 100000
+         */
+        unknownProtocolTimeout?: number | undefined;
+        selectPadding?(frameLen: number, maxFrameLen: number): number;
+        createConnection?(authority: url.URL, option: SessionOptions): stream.Duplex;
+    }
+    export interface ClientSessionOptions extends SessionOptions {
+        maxReservedRemoteStreams?: number | undefined;
+        createConnection?: ((authority: url.URL, option: SessionOptions) => stream.Duplex) | undefined;
+        protocol?: 'http:' | 'https:' | undefined;
+    }
+    export interface ServerSessionOptions extends SessionOptions {
+        Http1IncomingMessage?: typeof IncomingMessage | undefined;
+        Http1ServerResponse?: typeof ServerResponse | undefined;
+        Http2ServerRequest?: typeof Http2ServerRequest | undefined;
+        Http2ServerResponse?: typeof Http2ServerResponse | undefined;
+    }
+    export interface SecureClientSessionOptions extends ClientSessionOptions, tls.ConnectionOptions {}
+    export interface SecureServerSessionOptions extends ServerSessionOptions, tls.TlsOptions {}
+    export interface ServerOptions extends ServerSessionOptions {}
+    export interface SecureServerOptions extends SecureServerSessionOptions {
+        allowHTTP1?: boolean | undefined;
+        origins?: string[] | undefined;
+    }
+    interface HTTP2ServerCommon {
+        setTimeout(msec?: number, callback?: () => void): this;
+        /**
+         * Throws ERR_HTTP2_INVALID_SETTING_VALUE for invalid settings values.
+         * Throws ERR_INVALID_ARG_TYPE for invalid settings argument.
+         */
+        updateSettings(settings: Settings): void;
+    }
+    export interface Http2Server extends net.Server, HTTP2ServerCommon {
+        addListener(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        addListener(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        addListener(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        addListener(event: 'sessionError', listener: (err: Error) => void): this;
+        addListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        addListener(event: 'timeout', listener: () => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'checkContinue', request: Http2ServerRequest, response: Http2ServerResponse): boolean;
+        emit(event: 'request', request: Http2ServerRequest, response: Http2ServerResponse): boolean;
+        emit(event: 'session', session: ServerHttp2Session): boolean;
+        emit(event: 'sessionError', err: Error): boolean;
+        emit(event: 'stream', stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number): boolean;
+        emit(event: 'timeout'): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        on(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        on(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        on(event: 'sessionError', listener: (err: Error) => void): this;
+        on(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        on(event: 'timeout', listener: () => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        once(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        once(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        once(event: 'sessionError', listener: (err: Error) => void): this;
+        once(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        once(event: 'timeout', listener: () => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependListener(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependListener(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        prependListener(event: 'sessionError', listener: (err: Error) => void): this;
+        prependListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependListener(event: 'timeout', listener: () => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependOnceListener(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependOnceListener(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        prependOnceListener(event: 'sessionError', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependOnceListener(event: 'timeout', listener: () => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    export interface Http2SecureServer extends tls.Server, HTTP2ServerCommon {
+        addListener(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        addListener(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        addListener(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        addListener(event: 'sessionError', listener: (err: Error) => void): this;
+        addListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        addListener(event: 'timeout', listener: () => void): this;
+        addListener(event: 'unknownProtocol', listener: (socket: tls.TLSSocket) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'checkContinue', request: Http2ServerRequest, response: Http2ServerResponse): boolean;
+        emit(event: 'request', request: Http2ServerRequest, response: Http2ServerResponse): boolean;
+        emit(event: 'session', session: ServerHttp2Session): boolean;
+        emit(event: 'sessionError', err: Error): boolean;
+        emit(event: 'stream', stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number): boolean;
+        emit(event: 'timeout'): boolean;
+        emit(event: 'unknownProtocol', socket: tls.TLSSocket): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        on(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        on(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        on(event: 'sessionError', listener: (err: Error) => void): this;
+        on(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        on(event: 'timeout', listener: () => void): this;
+        on(event: 'unknownProtocol', listener: (socket: tls.TLSSocket) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        once(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        once(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        once(event: 'sessionError', listener: (err: Error) => void): this;
+        once(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        once(event: 'timeout', listener: () => void): this;
+        once(event: 'unknownProtocol', listener: (socket: tls.TLSSocket) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependListener(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependListener(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        prependListener(event: 'sessionError', listener: (err: Error) => void): this;
+        prependListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependListener(event: 'timeout', listener: () => void): this;
+        prependListener(event: 'unknownProtocol', listener: (socket: tls.TLSSocket) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependOnceListener(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependOnceListener(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        prependOnceListener(event: 'sessionError', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependOnceListener(event: 'timeout', listener: () => void): this;
+        prependOnceListener(event: 'unknownProtocol', listener: (socket: tls.TLSSocket) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    /**
+     * A `Http2ServerRequest` object is created by {@link Server} or {@link SecureServer} and passed as the first argument to the `'request'` event. It may be used to access a request status,
+     * headers, and
+     * data.
+     * @since v8.4.0
+     */
+    export class Http2ServerRequest extends stream.Readable {
+        constructor(stream: ServerHttp2Stream, headers: IncomingHttpHeaders, options: stream.ReadableOptions, rawHeaders: ReadonlyArray<string>);
+        /**
+         * The `request.aborted` property will be `true` if the request has
+         * been aborted.
+         * @since v10.1.0
+         */
+        readonly aborted: boolean;
+        /**
+         * The request authority pseudo header field. Because HTTP/2 allows requests
+         * to set either `:authority` or `host`, this value is derived from`req.headers[':authority']` if present. Otherwise, it is derived from`req.headers['host']`.
+         * @since v8.4.0
+         */
+        readonly authority: string;
+        /**
+         * See `request.socket`.
+         * @since v8.4.0
+         * @deprecated Since v13.0.0 - Use `socket`.
+         */
+        readonly connection: net.Socket | tls.TLSSocket;
+        /**
+         * The `request.complete` property will be `true` if the request has
+         * been completed, aborted, or destroyed.
+         * @since v12.10.0
+         */
+        readonly complete: boolean;
+        /**
+         * The request/response headers object.
+         *
+         * Key-value pairs of header names and values. Header names are lower-cased.
+         *
+         * ```js
+         * // Prints something like:
+         * //
+         * // { 'user-agent': 'curl/7.22.0',
+         * //   host: '127.0.0.1:8000',
+         * //   accept: '*' }
+         * console.log(request.headers);
+         * ```
+         *
+         * See `HTTP/2 Headers Object`.
+         *
+         * In HTTP/2, the request path, host name, protocol, and method are represented as
+         * special headers prefixed with the `:` character (e.g. `':path'`). These special
+         * headers will be included in the `request.headers` object. Care must be taken not
+         * to inadvertently modify these special headers or errors may occur. For instance,
+         * removing all headers from the request will cause errors to occur:
+         *
+         * ```js
+         * removeAllHeaders(request.headers);
+         * assert(request.url);   // Fails because the :path header has been removed
+         * ```
+         * @since v8.4.0
+         */
+        readonly headers: IncomingHttpHeaders;
+        /**
+         * In case of server request, the HTTP version sent by the client. In the case of
+         * client response, the HTTP version of the connected-to server. Returns`'2.0'`.
+         *
+         * Also `message.httpVersionMajor` is the first integer and`message.httpVersionMinor` is the second.
+         * @since v8.4.0
+         */
+        readonly httpVersion: string;
+        readonly httpVersionMinor: number;
+        readonly httpVersionMajor: number;
+        /**
+         * The request method as a string. Read-only. Examples: `'GET'`, `'DELETE'`.
+         * @since v8.4.0
+         */
+        readonly method: string;
+        /**
+         * The raw request/response headers list exactly as they were received.
+         *
+         * The keys and values are in the same list. It is _not_ a
+         * list of tuples. So, the even-numbered offsets are key values, and the
+         * odd-numbered offsets are the associated values.
+         *
+         * Header names are not lowercased, and duplicates are not merged.
+         *
+         * ```js
+         * // Prints something like:
+         * //
+         * // [ 'user-agent',
+         * //   'this is invalid because there can be only one',
+         * //   'User-Agent',
+         * //   'curl/7.22.0',
+         * //   'Host',
+         * //   '127.0.0.1:8000',
+         * //   'ACCEPT',
+         * //   '*' ]
+         * console.log(request.rawHeaders);
+         * ```
+         * @since v8.4.0
+         */
+        readonly rawHeaders: string[];
+        /**
+         * The raw request/response trailer keys and values exactly as they were
+         * received. Only populated at the `'end'` event.
+         * @since v8.4.0
+         */
+        readonly rawTrailers: string[];
+        /**
+         * The request scheme pseudo header field indicating the scheme
+         * portion of the target URL.
+         * @since v8.4.0
+         */
+        readonly scheme: string;
+        /**
+         * Returns a `Proxy` object that acts as a `net.Socket` (or `tls.TLSSocket`) but
+         * applies getters, setters, and methods based on HTTP/2 logic.
+         *
+         * `destroyed`, `readable`, and `writable` properties will be retrieved from and
+         * set on `request.stream`.
+         *
+         * `destroy`, `emit`, `end`, `on` and `once` methods will be called on`request.stream`.
+         *
+         * `setTimeout` method will be called on `request.stream.session`.
+         *
+         * `pause`, `read`, `resume`, and `write` will throw an error with code`ERR_HTTP2_NO_SOCKET_MANIPULATION`. See `Http2Session and Sockets` for
+         * more information.
+         *
+         * All other interactions will be routed directly to the socket. With TLS support,
+         * use `request.socket.getPeerCertificate()` to obtain the client's
+         * authentication details.
+         * @since v8.4.0
+         */
+        readonly socket: net.Socket | tls.TLSSocket;
+        /**
+         * The `Http2Stream` object backing the request.
+         * @since v8.4.0
+         */
+        readonly stream: ServerHttp2Stream;
+        /**
+         * The request/response trailers object. Only populated at the `'end'` event.
+         * @since v8.4.0
+         */
+        readonly trailers: IncomingHttpHeaders;
+        /**
+         * Request URL string. This contains only the URL that is present in the actual
+         * HTTP request. If the request is:
+         *
+         * ```http
+         * GET /status?name=ryan HTTP/1.1
+         * Accept: text/plain
+         * ```
+         *
+         * Then `request.url` will be:
+         *
+         * ```js
+         * '/status?name=ryan'
+         * ```
+         *
+         * To parse the url into its parts, `new URL()` can be used:
+         *
+         * ```console
+         * $ node
+         * > new URL('/status?name=ryan', 'http://example.com')
+         * URL {
+         *   href: 'http://example.com/status?name=ryan',
+         *   origin: 'http://example.com',
+         *   protocol: 'http:',
+         *   username: '',
+         *   password: '',
+         *   host: 'example.com',
+         *   hostname: 'example.com',
+         *   port: '',
+         *   pathname: '/status',
+         *   search: '?name=ryan',
+         *   searchParams: URLSearchParams { 'name' => 'ryan' },
+         *   hash: ''
+         * }
+         * ```
+         * @since v8.4.0
+         */
+        url: string;
+        /**
+         * Sets the `Http2Stream`'s timeout value to `msecs`. If a callback is
+         * provided, then it is added as a listener on the `'timeout'` event on
+         * the response object.
+         *
+         * If no `'timeout'` listener is added to the request, the response, or
+         * the server, then `Http2Stream` s are destroyed when they time out. If a
+         * handler is assigned to the request, the response, or the server's `'timeout'`events, timed out sockets must be handled explicitly.
+         * @since v8.4.0
+         */
+        setTimeout(msecs: number, callback?: () => void): void;
+        read(size?: number): Buffer | string | null;
+        addListener(event: 'aborted', listener: (hadError: boolean, code: number) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        addListener(event: 'end', listener: () => void): this;
+        addListener(event: 'readable', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'aborted', hadError: boolean, code: number): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'data', chunk: Buffer | string): boolean;
+        emit(event: 'end'): boolean;
+        emit(event: 'readable'): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'aborted', listener: (hadError: boolean, code: number) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        on(event: 'end', listener: () => void): this;
+        on(event: 'readable', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'aborted', listener: (hadError: boolean, code: number) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        once(event: 'end', listener: () => void): this;
+        once(event: 'readable', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'aborted', listener: (hadError: boolean, code: number) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        prependListener(event: 'end', listener: () => void): this;
+        prependListener(event: 'readable', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'aborted', listener: (hadError: boolean, code: number) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        prependOnceListener(event: 'end', listener: () => void): this;
+        prependOnceListener(event: 'readable', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    /**
+     * This object is created internally by an HTTP server, not by the user. It is
+     * passed as the second parameter to the `'request'` event.
+     * @since v8.4.0
+     */
+    export class Http2ServerResponse extends stream.Writable {
+        constructor(stream: ServerHttp2Stream);
+        /**
+         * See `response.socket`.
+         * @since v8.4.0
+         * @deprecated Since v13.0.0 - Use `socket`.
+         */
+        readonly connection: net.Socket | tls.TLSSocket;
+        /**
+         * Boolean value that indicates whether the response has completed. Starts
+         * as `false`. After `response.end()` executes, the value will be `true`.
+         * @since v8.4.0
+         * @deprecated Since v13.4.0,v12.16.0 - Use `writableEnded`.
+         */
+        readonly finished: boolean;
+        /**
+         * True if headers were sent, false otherwise (read-only).
+         * @since v8.4.0
+         */
+        readonly headersSent: boolean;
+        /**
+         * A reference to the original HTTP2 request object.
+         * @since v15.7.0
+         */
+        readonly req: Http2ServerRequest;
+        /**
+         * Returns a `Proxy` object that acts as a `net.Socket` (or `tls.TLSSocket`) but
+         * applies getters, setters, and methods based on HTTP/2 logic.
+         *
+         * `destroyed`, `readable`, and `writable` properties will be retrieved from and
+         * set on `response.stream`.
+         *
+         * `destroy`, `emit`, `end`, `on` and `once` methods will be called on`response.stream`.
+         *
+         * `setTimeout` method will be called on `response.stream.session`.
+         *
+         * `pause`, `read`, `resume`, and `write` will throw an error with code`ERR_HTTP2_NO_SOCKET_MANIPULATION`. See `Http2Session and Sockets` for
+         * more information.
+         *
+         * All other interactions will be routed directly to the socket.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer((req, res) => {
+         *   const ip = req.socket.remoteAddress;
+         *   const port = req.socket.remotePort;
+         *   res.end(`Your IP address is ${ip} and your source port is ${port}.`);
+         * }).listen(3000);
+         * ```
+         * @since v8.4.0
+         */
+        readonly socket: net.Socket | tls.TLSSocket;
+        /**
+         * The `Http2Stream` object backing the response.
+         * @since v8.4.0
+         */
+        readonly stream: ServerHttp2Stream;
+        /**
+         * When true, the Date header will be automatically generated and sent in
+         * the response if it is not already present in the headers. Defaults to true.
+         *
+         * This should only be disabled for testing; HTTP requires the Date header
+         * in responses.
+         * @since v8.4.0
+         */
+        sendDate: boolean;
+        /**
+         * When using implicit headers (not calling `response.writeHead()` explicitly),
+         * this property controls the status code that will be sent to the client when
+         * the headers get flushed.
+         *
+         * ```js
+         * response.statusCode = 404;
+         * ```
+         *
+         * After response header was sent to the client, this property indicates the
+         * status code which was sent out.
+         * @since v8.4.0
+         */
+        statusCode: number;
+        /**
+         * Status message is not supported by HTTP/2 (RFC 7540 8.1.2.4). It returns
+         * an empty string.
+         * @since v8.4.0
+         */
+        statusMessage: '';
+        /**
+         * This method adds HTTP trailing headers (a header but at the end of the
+         * message) to the response.
+         *
+         * Attempting to set a header field name or value that contains invalid characters
+         * will result in a `TypeError` being thrown.
+         * @since v8.4.0
+         */
+        addTrailers(trailers: OutgoingHttpHeaders): void;
+        /**
+         * This method signals to the server that all of the response headers and body
+         * have been sent; that server should consider this message complete.
+         * The method, `response.end()`, MUST be called on each response.
+         *
+         * If `data` is specified, it is equivalent to calling `response.write(data, encoding)` followed by `response.end(callback)`.
+         *
+         * If `callback` is specified, it will be called when the response stream
+         * is finished.
+         * @since v8.4.0
+         */
+        end(callback?: () => void): this;
+        end(data: string | Uint8Array, callback?: () => void): this;
+        end(data: string | Uint8Array, encoding: BufferEncoding, callback?: () => void): this;
+        /**
+         * Reads out a header that has already been queued but not sent to the client.
+         * The name is case-insensitive.
+         *
+         * ```js
+         * const contentType = response.getHeader('content-type');
+         * ```
+         * @since v8.4.0
+         */
+        getHeader(name: string): string;
+        /**
+         * Returns an array containing the unique names of the current outgoing headers.
+         * All header names are lowercase.
+         *
+         * ```js
+         * response.setHeader('Foo', 'bar');
+         * response.setHeader('Set-Cookie', ['foo=bar', 'bar=baz']);
+         *
+         * const headerNames = response.getHeaderNames();
+         * // headerNames === ['foo', 'set-cookie']
+         * ```
+         * @since v8.4.0
+         */
+        getHeaderNames(): string[];
+        /**
+         * Returns a shallow copy of the current outgoing headers. Since a shallow copy
+         * is used, array values may be mutated without additional calls to various
+         * header-related http module methods. The keys of the returned object are the
+         * header names and the values are the respective header values. All header names
+         * are lowercase.
+         *
+         * The object returned by the `response.getHeaders()` method _does not_prototypically inherit from the JavaScript `Object`. This means that typical`Object` methods such as `obj.toString()`,
+         * `obj.hasOwnProperty()`, and others
+         * are not defined and _will not work_.
+         *
+         * ```js
+         * response.setHeader('Foo', 'bar');
+         * response.setHeader('Set-Cookie', ['foo=bar', 'bar=baz']);
+         *
+         * const headers = response.getHeaders();
+         * // headers === { foo: 'bar', 'set-cookie': ['foo=bar', 'bar=baz'] }
+         * ```
+         * @since v8.4.0
+         */
+        getHeaders(): OutgoingHttpHeaders;
+        /**
+         * Returns `true` if the header identified by `name` is currently set in the
+         * outgoing headers. The header name matching is case-insensitive.
+         *
+         * ```js
+         * const hasContentType = response.hasHeader('content-type');
+         * ```
+         * @since v8.4.0
+         */
+        hasHeader(name: string): boolean;
+        /**
+         * Removes a header that has been queued for implicit sending.
+         *
+         * ```js
+         * response.removeHeader('Content-Encoding');
+         * ```
+         * @since v8.4.0
+         */
+        removeHeader(name: string): void;
+        /**
+         * Sets a single header value for implicit headers. If this header already exists
+         * in the to-be-sent headers, its value will be replaced. Use an array of strings
+         * here to send multiple headers with the same name.
+         *
+         * ```js
+         * response.setHeader('Content-Type', 'text/html; charset=utf-8');
+         * ```
+         *
+         * or
+         *
+         * ```js
+         * response.setHeader('Set-Cookie', ['type=ninja', 'language=javascript']);
+         * ```
+         *
+         * Attempting to set a header field name or value that contains invalid characters
+         * will result in a `TypeError` being thrown.
+         *
+         * When headers have been set with `response.setHeader()`, they will be merged
+         * with any headers passed to `response.writeHead()`, with the headers passed
+         * to `response.writeHead()` given precedence.
+         *
+         * ```js
+         * // Returns content-type = text/plain
+         * const server = http2.createServer((req, res) => {
+         *   res.setHeader('Content-Type', 'text/html; charset=utf-8');
+         *   res.setHeader('X-Foo', 'bar');
+         *   res.writeHead(200, { 'Content-Type': 'text/plain; charset=utf-8' });
+         *   res.end('ok');
+         * });
+         * ```
+         * @since v8.4.0
+         */
+        setHeader(name: string, value: number | string | ReadonlyArray<string>): void;
+        /**
+         * Sets the `Http2Stream`'s timeout value to `msecs`. If a callback is
+         * provided, then it is added as a listener on the `'timeout'` event on
+         * the response object.
+         *
+         * If no `'timeout'` listener is added to the request, the response, or
+         * the server, then `Http2Stream` s are destroyed when they time out. If a
+         * handler is assigned to the request, the response, or the server's `'timeout'`events, timed out sockets must be handled explicitly.
+         * @since v8.4.0
+         */
+        setTimeout(msecs: number, callback?: () => void): void;
+        /**
+         * If this method is called and `response.writeHead()` has not been called,
+         * it will switch to implicit header mode and flush the implicit headers.
+         *
+         * This sends a chunk of the response body. This method may
+         * be called multiple times to provide successive parts of the body.
+         *
+         * In the `http` module, the response body is omitted when the
+         * request is a HEAD request. Similarly, the `204` and `304` responses _must not_ include a message body.
+         *
+         * `chunk` can be a string or a buffer. If `chunk` is a string,
+         * the second parameter specifies how to encode it into a byte stream.
+         * By default the `encoding` is `'utf8'`. `callback` will be called when this chunk
+         * of data is flushed.
+         *
+         * This is the raw HTTP body and has nothing to do with higher-level multi-part
+         * body encodings that may be used.
+         *
+         * The first time `response.write()` is called, it will send the buffered
+         * header information and the first chunk of the body to the client. The second
+         * time `response.write()` is called, Node.js assumes data will be streamed,
+         * and sends the new data separately. That is, the response is buffered up to the
+         * first chunk of the body.
+         *
+         * Returns `true` if the entire data was flushed successfully to the kernel
+         * buffer. Returns `false` if all or part of the data was queued in user memory.`'drain'` will be emitted when the buffer is free again.
+         * @since v8.4.0
+         */
+        write(chunk: string | Uint8Array, callback?: (err: Error) => void): boolean;
+        write(chunk: string | Uint8Array, encoding: BufferEncoding, callback?: (err: Error) => void): boolean;
+        /**
+         * Sends a status `100 Continue` to the client, indicating that the request body
+         * should be sent. See the `'checkContinue'` event on `Http2Server` and`Http2SecureServer`.
+         * @since v8.4.0
+         */
+        writeContinue(): void;
+        /**
+         * Sends a response header to the request. The status code is a 3-digit HTTP
+         * status code, like `404`. The last argument, `headers`, are the response headers.
+         *
+         * Returns a reference to the `Http2ServerResponse`, so that calls can be chained.
+         *
+         * For compatibility with `HTTP/1`, a human-readable `statusMessage` may be
+         * passed as the second argument. However, because the `statusMessage` has no
+         * meaning within HTTP/2, the argument will have no effect and a process warning
+         * will be emitted.
+         *
+         * ```js
+         * const body = 'hello world';
+         * response.writeHead(200, {
+         *   'Content-Length': Buffer.byteLength(body),
+         *   'Content-Type': 'text/plain; charset=utf-8',
+         * });
+         * ```
+         *
+         * `Content-Length` is given in bytes not characters. The`Buffer.byteLength()` API may be used to determine the number of bytes in a
+         * given encoding. On outbound messages, Node.js does not check if Content-Length
+         * and the length of the body being transmitted are equal or not. However, when
+         * receiving messages, Node.js will automatically reject messages when the`Content-Length` does not match the actual payload size.
+         *
+         * This method may be called at most one time on a message before `response.end()` is called.
+         *
+         * If `response.write()` or `response.end()` are called before calling
+         * this, the implicit/mutable headers will be calculated and call this function.
+         *
+         * When headers have been set with `response.setHeader()`, they will be merged
+         * with any headers passed to `response.writeHead()`, with the headers passed
+         * to `response.writeHead()` given precedence.
+         *
+         * ```js
+         * // Returns content-type = text/plain
+         * const server = http2.createServer((req, res) => {
+         *   res.setHeader('Content-Type', 'text/html; charset=utf-8');
+         *   res.setHeader('X-Foo', 'bar');
+         *   res.writeHead(200, { 'Content-Type': 'text/plain; charset=utf-8' });
+         *   res.end('ok');
+         * });
+         * ```
+         *
+         * Attempting to set a header field name or value that contains invalid characters
+         * will result in a `TypeError` being thrown.
+         * @since v8.4.0
+         */
+        writeHead(statusCode: number, headers?: OutgoingHttpHeaders): this;
+        writeHead(statusCode: number, statusMessage: string, headers?: OutgoingHttpHeaders): this;
+        /**
+         * Call `http2stream.pushStream()` with the given headers, and wrap the
+         * given `Http2Stream` on a newly created `Http2ServerResponse` as the callback
+         * parameter if successful. When `Http2ServerRequest` is closed, the callback is
+         * called with an error `ERR_HTTP2_INVALID_STREAM`.
+         * @since v8.4.0
+         * @param headers An object describing the headers
+         * @param callback Called once `http2stream.pushStream()` is finished, or either when the attempt to create the pushed `Http2Stream` has failed or has been rejected, or the state of
+         * `Http2ServerRequest` is closed prior to calling the `http2stream.pushStream()` method
+         */
+        createPushResponse(headers: OutgoingHttpHeaders, callback: (err: Error | null, res: Http2ServerResponse) => void): void;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'drain', listener: () => void): this;
+        addListener(event: 'error', listener: (error: Error) => void): this;
+        addListener(event: 'finish', listener: () => void): this;
+        addListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'close'): boolean;
+        emit(event: 'drain'): boolean;
+        emit(event: 'error', error: Error): boolean;
+        emit(event: 'finish'): boolean;
+        emit(event: 'pipe', src: stream.Readable): boolean;
+        emit(event: 'unpipe', src: stream.Readable): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'drain', listener: () => void): this;
+        on(event: 'error', listener: (error: Error) => void): this;
+        on(event: 'finish', listener: () => void): this;
+        on(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        on(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'drain', listener: () => void): this;
+        once(event: 'error', listener: (error: Error) => void): this;
+        once(event: 'finish', listener: () => void): this;
+        once(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        once(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'drain', listener: () => void): this;
+        prependListener(event: 'error', listener: (error: Error) => void): this;
+        prependListener(event: 'finish', listener: () => void): this;
+        prependListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'drain', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (error: Error) => void): this;
+        prependOnceListener(event: 'finish', listener: () => void): this;
+        prependOnceListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    export namespace constants {
+        const NGHTTP2_SESSION_SERVER: number;
+        const NGHTTP2_SESSION_CLIENT: number;
+        const NGHTTP2_STREAM_STATE_IDLE: number;
+        const NGHTTP2_STREAM_STATE_OPEN: number;
+        const NGHTTP2_STREAM_STATE_RESERVED_LOCAL: number;
+        const NGHTTP2_STREAM_STATE_RESERVED_REMOTE: number;
+        const NGHTTP2_STREAM_STATE_HALF_CLOSED_LOCAL: number;
+        const NGHTTP2_STREAM_STATE_HALF_CLOSED_REMOTE: number;
+        const NGHTTP2_STREAM_STATE_CLOSED: number;
+        const NGHTTP2_NO_ERROR: number;
+        const NGHTTP2_PROTOCOL_ERROR: number;
+        const NGHTTP2_INTERNAL_ERROR: number;
+        const NGHTTP2_FLOW_CONTROL_ERROR: number;
+        const NGHTTP2_SETTINGS_TIMEOUT: number;
+        const NGHTTP2_STREAM_CLOSED: number;
+        const NGHTTP2_FRAME_SIZE_ERROR: number;
+        const NGHTTP2_REFUSED_STREAM: number;
+        const NGHTTP2_CANCEL: number;
+        const NGHTTP2_COMPRESSION_ERROR: number;
+        const NGHTTP2_CONNECT_ERROR: number;
+        const NGHTTP2_ENHANCE_YOUR_CALM: number;
+        const NGHTTP2_INADEQUATE_SECURITY: number;
+        const NGHTTP2_HTTP_1_1_REQUIRED: number;
+        const NGHTTP2_ERR_FRAME_SIZE_ERROR: number;
+        const NGHTTP2_FLAG_NONE: number;
+        const NGHTTP2_FLAG_END_STREAM: number;
+        const NGHTTP2_FLAG_END_HEADERS: number;
+        const NGHTTP2_FLAG_ACK: number;
+        const NGHTTP2_FLAG_PADDED: number;
+        const NGHTTP2_FLAG_PRIORITY: number;
+        const DEFAULT_SETTINGS_HEADER_TABLE_SIZE: number;
+        const DEFAULT_SETTINGS_ENABLE_PUSH: number;
+        const DEFAULT_SETTINGS_INITIAL_WINDOW_SIZE: number;
+        const DEFAULT_SETTINGS_MAX_FRAME_SIZE: number;
+        const MAX_MAX_FRAME_SIZE: number;
+        const MIN_MAX_FRAME_SIZE: number;
+        const MAX_INITIAL_WINDOW_SIZE: number;
+        const NGHTTP2_DEFAULT_WEIGHT: number;
+        const NGHTTP2_SETTINGS_HEADER_TABLE_SIZE: number;
+        const NGHTTP2_SETTINGS_ENABLE_PUSH: number;
+        const NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS: number;
+        const NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE: number;
+        const NGHTTP2_SETTINGS_MAX_FRAME_SIZE: number;
+        const NGHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE: number;
+        const PADDING_STRATEGY_NONE: number;
+        const PADDING_STRATEGY_MAX: number;
+        const PADDING_STRATEGY_CALLBACK: number;
+        const HTTP2_HEADER_STATUS: string;
+        const HTTP2_HEADER_METHOD: string;
+        const HTTP2_HEADER_AUTHORITY: string;
+        const HTTP2_HEADER_SCHEME: string;
+        const HTTP2_HEADER_PATH: string;
+        const HTTP2_HEADER_ACCEPT_CHARSET: string;
+        const HTTP2_HEADER_ACCEPT_ENCODING: string;
+        const HTTP2_HEADER_ACCEPT_LANGUAGE: string;
+        const HTTP2_HEADER_ACCEPT_RANGES: string;
+        const HTTP2_HEADER_ACCEPT: string;
+        const HTTP2_HEADER_ACCESS_CONTROL_ALLOW_ORIGIN: string;
+        const HTTP2_HEADER_AGE: string;
+        const HTTP2_HEADER_ALLOW: string;
+        const HTTP2_HEADER_AUTHORIZATION: string;
+        const HTTP2_HEADER_CACHE_CONTROL: string;
+        const HTTP2_HEADER_CONNECTION: string;
+        const HTTP2_HEADER_CONTENT_DISPOSITION: string;
+        const HTTP2_HEADER_CONTENT_ENCODING: string;
+        const HTTP2_HEADER_CONTENT_LANGUAGE: string;
+        const HTTP2_HEADER_CONTENT_LENGTH: string;
+        const HTTP2_HEADER_CONTENT_LOCATION: string;
+        const HTTP2_HEADER_CONTENT_MD5: string;
+        const HTTP2_HEADER_CONTENT_RANGE: string;
+        const HTTP2_HEADER_CONTENT_TYPE: string;
+        const HTTP2_HEADER_COOKIE: string;
+        const HTTP2_HEADER_DATE: string;
+        const HTTP2_HEADER_ETAG: string;
+        const HTTP2_HEADER_EXPECT: string;
+        const HTTP2_HEADER_EXPIRES: string;
+        const HTTP2_HEADER_FROM: string;
+        const HTTP2_HEADER_HOST: string;
+        const HTTP2_HEADER_IF_MATCH: string;
+        const HTTP2_HEADER_IF_MODIFIED_SINCE: string;
+        const HTTP2_HEADER_IF_NONE_MATCH: string;
+        const HTTP2_HEADER_IF_RANGE: string;
+        const HTTP2_HEADER_IF_UNMODIFIED_SINCE: string;
+        const HTTP2_HEADER_LAST_MODIFIED: string;
+        const HTTP2_HEADER_LINK: string;
+        const HTTP2_HEADER_LOCATION: string;
+        const HTTP2_HEADER_MAX_FORWARDS: string;
+        const HTTP2_HEADER_PREFER: string;
+        const HTTP2_HEADER_PROXY_AUTHENTICATE: string;
+        const HTTP2_HEADER_PROXY_AUTHORIZATION: string;
+        const HTTP2_HEADER_RANGE: string;
+        const HTTP2_HEADER_REFERER: string;
+        const HTTP2_HEADER_REFRESH: string;
+        const HTTP2_HEADER_RETRY_AFTER: string;
+        const HTTP2_HEADER_SERVER: string;
+        const HTTP2_HEADER_SET_COOKIE: string;
+        const HTTP2_HEADER_STRICT_TRANSPORT_SECURITY: string;
+        const HTTP2_HEADER_TRANSFER_ENCODING: string;
+        const HTTP2_HEADER_TE: string;
+        const HTTP2_HEADER_UPGRADE: string;
+        const HTTP2_HEADER_USER_AGENT: string;
+        const HTTP2_HEADER_VARY: string;
+        const HTTP2_HEADER_VIA: string;
+        const HTTP2_HEADER_WWW_AUTHENTICATE: string;
+        const HTTP2_HEADER_HTTP2_SETTINGS: string;
+        const HTTP2_HEADER_KEEP_ALIVE: string;
+        const HTTP2_HEADER_PROXY_CONNECTION: string;
+        const HTTP2_METHOD_ACL: string;
+        const HTTP2_METHOD_BASELINE_CONTROL: string;
+        const HTTP2_METHOD_BIND: string;
+        const HTTP2_METHOD_CHECKIN: string;
+        const HTTP2_METHOD_CHECKOUT: string;
+        const HTTP2_METHOD_CONNECT: string;
+        const HTTP2_METHOD_COPY: string;
+        const HTTP2_METHOD_DELETE: string;
+        const HTTP2_METHOD_GET: string;
+        const HTTP2_METHOD_HEAD: string;
+        const HTTP2_METHOD_LABEL: string;
+        const HTTP2_METHOD_LINK: string;
+        const HTTP2_METHOD_LOCK: string;
+        const HTTP2_METHOD_MERGE: string;
+        const HTTP2_METHOD_MKACTIVITY: string;
+        const HTTP2_METHOD_MKCALENDAR: string;
+        const HTTP2_METHOD_MKCOL: string;
+        const HTTP2_METHOD_MKREDIRECTREF: string;
+        const HTTP2_METHOD_MKWORKSPACE: string;
+        const HTTP2_METHOD_MOVE: string;
+        const HTTP2_METHOD_OPTIONS: string;
+        const HTTP2_METHOD_ORDERPATCH: string;
+        const HTTP2_METHOD_PATCH: string;
+        const HTTP2_METHOD_POST: string;
+        const HTTP2_METHOD_PRI: string;
+        const HTTP2_METHOD_PROPFIND: string;
+        const HTTP2_METHOD_PROPPATCH: string;
+        const HTTP2_METHOD_PUT: string;
+        const HTTP2_METHOD_REBIND: string;
+        const HTTP2_METHOD_REPORT: string;
+        const HTTP2_METHOD_SEARCH: string;
+        const HTTP2_METHOD_TRACE: string;
+        const HTTP2_METHOD_UNBIND: string;
+        const HTTP2_METHOD_UNCHECKOUT: string;
+        const HTTP2_METHOD_UNLINK: string;
+        const HTTP2_METHOD_UNLOCK: string;
+        const HTTP2_METHOD_UPDATE: string;
+        const HTTP2_METHOD_UPDATEREDIRECTREF: string;
+        const HTTP2_METHOD_VERSION_CONTROL: string;
+        const HTTP_STATUS_CONTINUE: number;
+        const HTTP_STATUS_SWITCHING_PROTOCOLS: number;
+        const HTTP_STATUS_PROCESSING: number;
+        const HTTP_STATUS_OK: number;
+        const HTTP_STATUS_CREATED: number;
+        const HTTP_STATUS_ACCEPTED: number;
+        const HTTP_STATUS_NON_AUTHORITATIVE_INFORMATION: number;
+        const HTTP_STATUS_NO_CONTENT: number;
+        const HTTP_STATUS_RESET_CONTENT: number;
+        const HTTP_STATUS_PARTIAL_CONTENT: number;
+        const HTTP_STATUS_MULTI_STATUS: number;
+        const HTTP_STATUS_ALREADY_REPORTED: number;
+        const HTTP_STATUS_IM_USED: number;
+        const HTTP_STATUS_MULTIPLE_CHOICES: number;
+        const HTTP_STATUS_MOVED_PERMANENTLY: number;
+        const HTTP_STATUS_FOUND: number;
+        const HTTP_STATUS_SEE_OTHER: number;
+        const HTTP_STATUS_NOT_MODIFIED: number;
+        const HTTP_STATUS_USE_PROXY: number;
+        const HTTP_STATUS_TEMPORARY_REDIRECT: number;
+        const HTTP_STATUS_PERMANENT_REDIRECT: number;
+        const HTTP_STATUS_BAD_REQUEST: number;
+        const HTTP_STATUS_UNAUTHORIZED: number;
+        const HTTP_STATUS_PAYMENT_REQUIRED: number;
+        const HTTP_STATUS_FORBIDDEN: number;
+        const HTTP_STATUS_NOT_FOUND: number;
+        const HTTP_STATUS_METHOD_NOT_ALLOWED: number;
+        const HTTP_STATUS_NOT_ACCEPTABLE: number;
+        const HTTP_STATUS_PROXY_AUTHENTICATION_REQUIRED: number;
+        const HTTP_STATUS_REQUEST_TIMEOUT: number;
+        const HTTP_STATUS_CONFLICT: number;
+        const HTTP_STATUS_GONE: number;
+        const HTTP_STATUS_LENGTH_REQUIRED: number;
+        const HTTP_STATUS_PRECONDITION_FAILED: number;
+        const HTTP_STATUS_PAYLOAD_TOO_LARGE: number;
+        const HTTP_STATUS_URI_TOO_LONG: number;
+        const HTTP_STATUS_UNSUPPORTED_MEDIA_TYPE: number;
+        const HTTP_STATUS_RANGE_NOT_SATISFIABLE: number;
+        const HTTP_STATUS_EXPECTATION_FAILED: number;
+        const HTTP_STATUS_TEAPOT: number;
+        const HTTP_STATUS_MISDIRECTED_REQUEST: number;
+        const HTTP_STATUS_UNPROCESSABLE_ENTITY: number;
+        const HTTP_STATUS_LOCKED: number;
+        const HTTP_STATUS_FAILED_DEPENDENCY: number;
+        const HTTP_STATUS_UNORDERED_COLLECTION: number;
+        const HTTP_STATUS_UPGRADE_REQUIRED: number;
+        const HTTP_STATUS_PRECONDITION_REQUIRED: number;
+        const HTTP_STATUS_TOO_MANY_REQUESTS: number;
+        const HTTP_STATUS_REQUEST_HEADER_FIELDS_TOO_LARGE: number;
+        const HTTP_STATUS_UNAVAILABLE_FOR_LEGAL_REASONS: number;
+        const HTTP_STATUS_INTERNAL_SERVER_ERROR: number;
+        const HTTP_STATUS_NOT_IMPLEMENTED: number;
+        const HTTP_STATUS_BAD_GATEWAY: number;
+        const HTTP_STATUS_SERVICE_UNAVAILABLE: number;
+        const HTTP_STATUS_GATEWAY_TIMEOUT: number;
+        const HTTP_STATUS_HTTP_VERSION_NOT_SUPPORTED: number;
+        const HTTP_STATUS_VARIANT_ALSO_NEGOTIATES: number;
+        const HTTP_STATUS_INSUFFICIENT_STORAGE: number;
+        const HTTP_STATUS_LOOP_DETECTED: number;
+        const HTTP_STATUS_BANDWIDTH_LIMIT_EXCEEDED: number;
+        const HTTP_STATUS_NOT_EXTENDED: number;
+        const HTTP_STATUS_NETWORK_AUTHENTICATION_REQUIRED: number;
+    }
+    /**
+     * This symbol can be set as a property on the HTTP/2 headers object with
+     * an array value in order to provide a list of headers considered sensitive.
+     */
+    export const sensitiveHeaders: symbol;
+    /**
+     * Returns an object containing the default settings for an `Http2Session`instance. This method returns a new object instance every time it is called
+     * so instances returned may be safely modified for use.
+     * @since v8.4.0
+     */
+    export function getDefaultSettings(): Settings;
+    /**
+     * Returns a `Buffer` instance containing serialized representation of the given
+     * HTTP/2 settings as specified in the [HTTP/2](https://tools.ietf.org/html/rfc7540) specification. This is intended
+     * for use with the `HTTP2-Settings` header field.
+     *
+     * ```js
+     * const http2 = require('http2');
+     *
+     * const packed = http2.getPackedSettings({ enablePush: false });
+     *
+     * console.log(packed.toString('base64'));
+     * // Prints: AAIAAAAA
+     * ```
+     * @since v8.4.0
+     */
+    export function getPackedSettings(settings: Settings): Buffer;
+    /**
+     * Returns a `HTTP/2 Settings Object` containing the deserialized settings from
+     * the given `Buffer` as generated by `http2.getPackedSettings()`.
+     * @since v8.4.0
+     * @param buf The packed settings.
+     */
+    export function getUnpackedSettings(buf: Uint8Array): Settings;
+    /**
+     * Returns a `net.Server` instance that creates and manages `Http2Session`instances.
+     *
+     * Since there are no browsers known that support [unencrypted HTTP/2](https://http2.github.io/faq/#does-http2-require-encryption), the use of {@link createSecureServer} is necessary when
+     * communicating
+     * with browser clients.
+     *
+     * ```js
+     * const http2 = require('http2');
+     *
+     * // Create an unencrypted HTTP/2 server.
+     * // Since there are no browsers known that support
+     * // unencrypted HTTP/2, the use of `http2.createSecureServer()`
+     * // is necessary when communicating with browser clients.
+     * const server = http2.createServer();
+     *
+     * server.on('stream', (stream, headers) => {
+     *   stream.respond({
+     *     'content-type': 'text/html; charset=utf-8',
+     *     ':status': 200
+     *   });
+     *   stream.end('<h1>Hello World</h1>');
+     * });
+     *
+     * server.listen(80);
+     * ```
+     * @since v8.4.0
+     * @param onRequestHandler See `Compatibility API`
+     */
+    export function createServer(onRequestHandler?: (request: Http2ServerRequest, response: Http2ServerResponse) => void): Http2Server;
+    export function createServer(options: ServerOptions, onRequestHandler?: (request: Http2ServerRequest, response: Http2ServerResponse) => void): Http2Server;
+    /**
+     * Returns a `tls.Server` instance that creates and manages `Http2Session`instances.
+     *
+     * ```js
+     * const http2 = require('http2');
+     * const fs = require('fs');
+     *
+     * const options = {
+     *   key: fs.readFileSync('server-key.pem'),
+     *   cert: fs.readFileSync('server-cert.pem')
+     * };
+     *
+     * // Create a secure HTTP/2 server
+     * const server = http2.createSecureServer(options);
+     *
+     * server.on('stream', (stream, headers) => {
+     *   stream.respond({
+     *     'content-type': 'text/html; charset=utf-8',
+     *     ':status': 200
+     *   });
+     *   stream.end('<h1>Hello World</h1>');
+     * });
+     *
+     * server.listen(80);
+     * ```
+     * @since v8.4.0
+     * @param onRequestHandler See `Compatibility API`
+     */
+    export function createSecureServer(onRequestHandler?: (request: Http2ServerRequest, response: Http2ServerResponse) => void): Http2SecureServer;
+    export function createSecureServer(options: SecureServerOptions, onRequestHandler?: (request: Http2ServerRequest, response: Http2ServerResponse) => void): Http2SecureServer;
+    /**
+     * Returns a `ClientHttp2Session` instance.
+     *
+     * ```js
+     * const http2 = require('http2');
+     * const client = http2.connect('https://localhost:1234');
+     *
+     * // Use the client
+     *
+     * client.close();
+     * ```
+     * @since v8.4.0
+     * @param authority The remote HTTP/2 server to connect to. This must be in the form of a minimal, valid URL with the `http://` or `https://` prefix, host name, and IP port (if a non-default port
+     * is used). Userinfo (user ID and password), path, querystring, and fragment details in the URL will be ignored.
+     * @param listener Will be registered as a one-time listener of the {@link 'connect'} event.
+     */
+    export function connect(authority: string | url.URL, listener: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void): ClientHttp2Session;
+    export function connect(
+        authority: string | url.URL,
+        options?: ClientSessionOptions | SecureClientSessionOptions,
+        listener?: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void
+    ): ClientHttp2Session;
+}
+declare module 'node:http2' {
+    export * from 'http2';
+}
diff --git a/node_modules/@types/node/https.d.ts b/node_modules/@types/node/https.d.ts
new file mode 100644
index 000000000..aae4a9584
--- /dev/null
+++ b/node_modules/@types/node/https.d.ts
@@ -0,0 +1,541 @@
+/**
+ * HTTPS is the HTTP protocol over TLS/SSL. In Node.js this is implemented as a
+ * separate module.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/https.js)
+ */
+declare module 'https' {
+    import { Duplex } from 'node:stream';
+    import * as tls from 'node:tls';
+    import * as http from 'node:http';
+    import { URL } from 'node:url';
+    type ServerOptions<
+        Request extends typeof http.IncomingMessage = typeof http.IncomingMessage,
+        Response extends typeof http.ServerResponse = typeof http.ServerResponse,
+    > = tls.SecureContextOptions & tls.TlsOptions & http.ServerOptions<Request, Response>;
+    type RequestOptions = http.RequestOptions &
+        tls.SecureContextOptions & {
+            rejectUnauthorized?: boolean | undefined; // Defaults to true
+            servername?: string | undefined; // SNI TLS Extension
+        };
+    interface AgentOptions extends http.AgentOptions, tls.ConnectionOptions {
+        rejectUnauthorized?: boolean | undefined;
+        maxCachedSessions?: number | undefined;
+    }
+    /**
+     * An `Agent` object for HTTPS similar to `http.Agent`. See {@link request} for more information.
+     * @since v0.4.5
+     */
+    class Agent extends http.Agent {
+        constructor(options?: AgentOptions);
+        options: AgentOptions;
+    }
+    interface Server<
+        Request extends typeof http.IncomingMessage = typeof http.IncomingMessage,
+        Response extends typeof http.ServerResponse = typeof http.ServerResponse,
+    > extends http.Server<Request, Response> {}
+    /**
+     * See `http.Server` for more information.
+     * @since v0.3.4
+     */
+    class Server<
+        Request extends typeof http.IncomingMessage = typeof http.IncomingMessage,
+        Response extends typeof http.ServerResponse = typeof http.ServerResponse,
+    > extends tls.Server {
+        constructor(requestListener?: http.RequestListener<Request, Response>);
+        constructor(
+            options: ServerOptions<Request, Response>,
+            requestListener?: http.RequestListener<Request, Response>,
+        );
+        /**
+         * Closes all connections connected to this server.
+         * @since v18.2.0
+         */
+        closeAllConnections(): void;
+        /**
+         * Closes all connections connected to this server which are not sending a request or waiting for a response.
+         * @since v18.2.0
+         */
+        closeIdleConnections(): void;
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'keylog', listener: (line: Buffer, tlsSocket: tls.TLSSocket) => void): this;
+        addListener(
+            event: 'newSession',
+            listener: (sessionId: Buffer, sessionData: Buffer, callback: (err: Error, resp: Buffer) => void) => void,
+        ): this;
+        addListener(
+            event: 'OCSPRequest',
+            listener: (
+                certificate: Buffer,
+                issuer: Buffer,
+                callback: (err: Error | null, resp: Buffer) => void,
+            ) => void,
+        ): this;
+        addListener(
+            event: 'resumeSession',
+            listener: (sessionId: Buffer, callback: (err: Error, sessionData: Buffer) => void) => void,
+        ): this;
+        addListener(event: 'secureConnection', listener: (tlsSocket: tls.TLSSocket) => void): this;
+        addListener(event: 'tlsClientError', listener: (err: Error, tlsSocket: tls.TLSSocket) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'connection', listener: (socket: Duplex) => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'listening', listener: () => void): this;
+        addListener(event: 'checkContinue', listener: http.RequestListener<Request, Response>): this;
+        addListener(event: 'checkExpectation', listener: http.RequestListener<Request, Response>): this;
+        addListener(event: 'clientError', listener: (err: Error, socket: Duplex) => void): this;
+        addListener(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void,
+        ): this;
+        addListener(event: 'request', listener: http.RequestListener<Request, Response>): this;
+        addListener(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void,
+        ): this;
+        emit(event: string, ...args: any[]): boolean;
+        emit(event: 'keylog', line: Buffer, tlsSocket: tls.TLSSocket): boolean;
+        emit(
+            event: 'newSession',
+            sessionId: Buffer,
+            sessionData: Buffer,
+            callback: (err: Error, resp: Buffer) => void,
+        ): boolean;
+        emit(
+            event: 'OCSPRequest',
+            certificate: Buffer,
+            issuer: Buffer,
+            callback: (err: Error | null, resp: Buffer) => void,
+        ): boolean;
+        emit(event: 'resumeSession', sessionId: Buffer, callback: (err: Error, sessionData: Buffer) => void): boolean;
+        emit(event: 'secureConnection', tlsSocket: tls.TLSSocket): boolean;
+        emit(event: 'tlsClientError', err: Error, tlsSocket: tls.TLSSocket): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'connection', socket: Duplex): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'listening'): boolean;
+        emit(
+            event: 'checkContinue',
+            req: InstanceType<Request>,
+            res: InstanceType<Response> & { req: InstanceType<Request> },
+        ): boolean;
+        emit(
+            event: 'checkExpectation',
+            req: InstanceType<Request>,
+            res: InstanceType<Response> & { req: InstanceType<Request> },
+        ): boolean;
+        emit(event: 'clientError', err: Error, socket: Duplex): boolean;
+        emit(event: 'connect', req: InstanceType<Request>, socket: Duplex, head: Buffer): boolean;
+        emit(
+            event: 'request',
+            req: InstanceType<Request>,
+            res: InstanceType<Response> & { req: InstanceType<Request> },
+        ): boolean;
+        emit(event: 'upgrade', req: InstanceType<Request>, socket: Duplex, head: Buffer): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'keylog', listener: (line: Buffer, tlsSocket: tls.TLSSocket) => void): this;
+        on(
+            event: 'newSession',
+            listener: (sessionId: Buffer, sessionData: Buffer, callback: (err: Error, resp: Buffer) => void) => void,
+        ): this;
+        on(
+            event: 'OCSPRequest',
+            listener: (
+                certificate: Buffer,
+                issuer: Buffer,
+                callback: (err: Error | null, resp: Buffer) => void,
+            ) => void,
+        ): this;
+        on(
+            event: 'resumeSession',
+            listener: (sessionId: Buffer, callback: (err: Error, sessionData: Buffer) => void) => void,
+        ): this;
+        on(event: 'secureConnection', listener: (tlsSocket: tls.TLSSocket) => void): this;
+        on(event: 'tlsClientError', listener: (err: Error, tlsSocket: tls.TLSSocket) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'connection', listener: (socket: Duplex) => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'listening', listener: () => void): this;
+        on(event: 'checkContinue', listener: http.RequestListener<Request, Response>): this;
+        on(event: 'checkExpectation', listener: http.RequestListener<Request, Response>): this;
+        on(event: 'clientError', listener: (err: Error, socket: Duplex) => void): this;
+        on(event: 'connect', listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void): this;
+        on(event: 'request', listener: http.RequestListener<Request, Response>): this;
+        on(event: 'upgrade', listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'keylog', listener: (line: Buffer, tlsSocket: tls.TLSSocket) => void): this;
+        once(
+            event: 'newSession',
+            listener: (sessionId: Buffer, sessionData: Buffer, callback: (err: Error, resp: Buffer) => void) => void,
+        ): this;
+        once(
+            event: 'OCSPRequest',
+            listener: (
+                certificate: Buffer,
+                issuer: Buffer,
+                callback: (err: Error | null, resp: Buffer) => void,
+            ) => void,
+        ): this;
+        once(
+            event: 'resumeSession',
+            listener: (sessionId: Buffer, callback: (err: Error, sessionData: Buffer) => void) => void,
+        ): this;
+        once(event: 'secureConnection', listener: (tlsSocket: tls.TLSSocket) => void): this;
+        once(event: 'tlsClientError', listener: (err: Error, tlsSocket: tls.TLSSocket) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'connection', listener: (socket: Duplex) => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'listening', listener: () => void): this;
+        once(event: 'checkContinue', listener: http.RequestListener<Request, Response>): this;
+        once(event: 'checkExpectation', listener: http.RequestListener<Request, Response>): this;
+        once(event: 'clientError', listener: (err: Error, socket: Duplex) => void): this;
+        once(event: 'connect', listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void): this;
+        once(event: 'request', listener: http.RequestListener<Request, Response>): this;
+        once(event: 'upgrade', listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'keylog', listener: (line: Buffer, tlsSocket: tls.TLSSocket) => void): this;
+        prependListener(
+            event: 'newSession',
+            listener: (sessionId: Buffer, sessionData: Buffer, callback: (err: Error, resp: Buffer) => void) => void,
+        ): this;
+        prependListener(
+            event: 'OCSPRequest',
+            listener: (
+                certificate: Buffer,
+                issuer: Buffer,
+                callback: (err: Error | null, resp: Buffer) => void,
+            ) => void,
+        ): this;
+        prependListener(
+            event: 'resumeSession',
+            listener: (sessionId: Buffer, callback: (err: Error, sessionData: Buffer) => void) => void,
+        ): this;
+        prependListener(event: 'secureConnection', listener: (tlsSocket: tls.TLSSocket) => void): this;
+        prependListener(event: 'tlsClientError', listener: (err: Error, tlsSocket: tls.TLSSocket) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'connection', listener: (socket: Duplex) => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'listening', listener: () => void): this;
+        prependListener(event: 'checkContinue', listener: http.RequestListener<Request, Response>): this;
+        prependListener(event: 'checkExpectation', listener: http.RequestListener<Request, Response>): this;
+        prependListener(event: 'clientError', listener: (err: Error, socket: Duplex) => void): this;
+        prependListener(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void,
+        ): this;
+        prependListener(event: 'request', listener: http.RequestListener<Request, Response>): this;
+        prependListener(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void,
+        ): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'keylog', listener: (line: Buffer, tlsSocket: tls.TLSSocket) => void): this;
+        prependOnceListener(
+            event: 'newSession',
+            listener: (sessionId: Buffer, sessionData: Buffer, callback: (err: Error, resp: Buffer) => void) => void,
+        ): this;
+        prependOnceListener(
+            event: 'OCSPRequest',
+            listener: (
+                certificate: Buffer,
+                issuer: Buffer,
+                callback: (err: Error | null, resp: Buffer) => void,
+            ) => void,
+        ): this;
+        prependOnceListener(
+            event: 'resumeSession',
+            listener: (sessionId: Buffer, callback: (err: Error, sessionData: Buffer) => void) => void,
+        ): this;
+        prependOnceListener(event: 'secureConnection', listener: (tlsSocket: tls.TLSSocket) => void): this;
+        prependOnceListener(event: 'tlsClientError', listener: (err: Error, tlsSocket: tls.TLSSocket) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'connection', listener: (socket: Duplex) => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'listening', listener: () => void): this;
+        prependOnceListener(event: 'checkContinue', listener: http.RequestListener<Request, Response>): this;
+        prependOnceListener(event: 'checkExpectation', listener: http.RequestListener<Request, Response>): this;
+        prependOnceListener(event: 'clientError', listener: (err: Error, socket: Duplex) => void): this;
+        prependOnceListener(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void,
+        ): this;
+        prependOnceListener(event: 'request', listener: http.RequestListener<Request, Response>): this;
+        prependOnceListener(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void,
+        ): this;
+    }
+    /**
+     * ```js
+     * // curl -k https://localhost:8000/
+     * const https = require('https');
+     * const fs = require('fs');
+     *
+     * const options = {
+     *   key: fs.readFileSync('test/fixtures/keys/agent2-key.pem'),
+     *   cert: fs.readFileSync('test/fixtures/keys/agent2-cert.pem')
+     * };
+     *
+     * https.createServer(options, (req, res) => {
+     *   res.writeHead(200);
+     *   res.end('hello world\n');
+     * }).listen(8000);
+     * ```
+     *
+     * Or
+     *
+     * ```js
+     * const https = require('https');
+     * const fs = require('fs');
+     *
+     * const options = {
+     *   pfx: fs.readFileSync('test/fixtures/test_cert.pfx'),
+     *   passphrase: 'sample'
+     * };
+     *
+     * https.createServer(options, (req, res) => {
+     *   res.writeHead(200);
+     *   res.end('hello world\n');
+     * }).listen(8000);
+     * ```
+     * @since v0.3.4
+     * @param options Accepts `options` from `createServer`, `createSecureContext` and `createServer`.
+     * @param requestListener A listener to be added to the `'request'` event.
+     */
+    function createServer<
+        Request extends typeof http.IncomingMessage = typeof http.IncomingMessage,
+        Response extends typeof http.ServerResponse = typeof http.ServerResponse,
+    >(requestListener?: http.RequestListener<Request, Response>): Server<Request, Response>;
+    function createServer<
+        Request extends typeof http.IncomingMessage = typeof http.IncomingMessage,
+        Response extends typeof http.ServerResponse = typeof http.ServerResponse,
+    >(
+        options: ServerOptions<Request, Response>,
+        requestListener?: http.RequestListener<Request, Response>,
+    ): Server<Request, Response>;
+    /**
+     * Makes a request to a secure web server.
+     *
+     * The following additional `options` from `tls.connect()` are also accepted:`ca`, `cert`, `ciphers`, `clientCertEngine`, `crl`, `dhparam`, `ecdhCurve`,`honorCipherOrder`, `key`, `passphrase`,
+     * `pfx`, `rejectUnauthorized`,`secureOptions`, `secureProtocol`, `servername`, `sessionIdContext`,`highWaterMark`.
+     *
+     * `options` can be an object, a string, or a `URL` object. If `options` is a
+     * string, it is automatically parsed with `new URL()`. If it is a `URL` object, it will be automatically converted to an ordinary `options` object.
+     *
+     * `https.request()` returns an instance of the `http.ClientRequest` class. The `ClientRequest` instance is a writable stream. If one needs to
+     * upload a file with a POST request, then write to the `ClientRequest` object.
+     *
+     * ```js
+     * const https = require('https');
+     *
+     * const options = {
+     *   hostname: 'encrypted.google.com',
+     *   port: 443,
+     *   path: '/',
+     *   method: 'GET'
+     * };
+     *
+     * const req = https.request(options, (res) => {
+     *   console.log('statusCode:', res.statusCode);
+     *   console.log('headers:', res.headers);
+     *
+     *   res.on('data', (d) => {
+     *     process.stdout.write(d);
+     *   });
+     * });
+     *
+     * req.on('error', (e) => {
+     *   console.error(e);
+     * });
+     * req.end();
+     * ```
+     *
+     * Example using options from `tls.connect()`:
+     *
+     * ```js
+     * const options = {
+     *   hostname: 'encrypted.google.com',
+     *   port: 443,
+     *   path: '/',
+     *   method: 'GET',
+     *   key: fs.readFileSync('test/fixtures/keys/agent2-key.pem'),
+     *   cert: fs.readFileSync('test/fixtures/keys/agent2-cert.pem')
+     * };
+     * options.agent = new https.Agent(options);
+     *
+     * const req = https.request(options, (res) => {
+     *   // ...
+     * });
+     * ```
+     *
+     * Alternatively, opt out of connection pooling by not using an `Agent`.
+     *
+     * ```js
+     * const options = {
+     *   hostname: 'encrypted.google.com',
+     *   port: 443,
+     *   path: '/',
+     *   method: 'GET',
+     *   key: fs.readFileSync('test/fixtures/keys/agent2-key.pem'),
+     *   cert: fs.readFileSync('test/fixtures/keys/agent2-cert.pem'),
+     *   agent: false
+     * };
+     *
+     * const req = https.request(options, (res) => {
+     *   // ...
+     * });
+     * ```
+     *
+     * Example using a `URL` as `options`:
+     *
+     * ```js
+     * const options = new URL('https://abc:xyz@example.com');
+     *
+     * const req = https.request(options, (res) => {
+     *   // ...
+     * });
+     * ```
+     *
+     * Example pinning on certificate fingerprint, or the public key (similar to`pin-sha256`):
+     *
+     * ```js
+     * const tls = require('tls');
+     * const https = require('https');
+     * const crypto = require('crypto');
+     *
+     * function sha256(s) {
+     *   return crypto.createHash('sha256').update(s).digest('base64');
+     * }
+     * const options = {
+     *   hostname: 'github.com',
+     *   port: 443,
+     *   path: '/',
+     *   method: 'GET',
+     *   checkServerIdentity: function(host, cert) {
+     *     // Make sure the certificate is issued to the host we are connected to
+     *     const err = tls.checkServerIdentity(host, cert);
+     *     if (err) {
+     *       return err;
+     *     }
+     *
+     *     // Pin the public key, similar to HPKP pin-sha25 pinning
+     *     const pubkey256 = 'pL1+qb9HTMRZJmuC/bB/ZI9d302BYrrqiVuRyW+DGrU=';
+     *     if (sha256(cert.pubkey) !== pubkey256) {
+     *       const msg = 'Certificate verification error: ' +
+     *         `The public key of '${cert.subject.CN}' ` +
+     *         'does not match our pinned fingerprint';
+     *       return new Error(msg);
+     *     }
+     *
+     *     // Pin the exact certificate, rather than the pub key
+     *     const cert256 = '25:FE:39:32:D9:63:8C:8A:FC:A1:9A:29:87:' +
+     *       'D8:3E:4C:1D:98:DB:71:E4:1A:48:03:98:EA:22:6A:BD:8B:93:16';
+     *     if (cert.fingerprint256 !== cert256) {
+     *       const msg = 'Certificate verification error: ' +
+     *         `The certificate of '${cert.subject.CN}' ` +
+     *         'does not match our pinned fingerprint';
+     *       return new Error(msg);
+     *     }
+     *
+     *     // This loop is informational only.
+     *     // Print the certificate and public key fingerprints of all certs in the
+     *     // chain. Its common to pin the public key of the issuer on the public
+     *     // internet, while pinning the public key of the service in sensitive
+     *     // environments.
+     *     do {
+     *       console.log('Subject Common Name:', cert.subject.CN);
+     *       console.log('  Certificate SHA256 fingerprint:', cert.fingerprint256);
+     *
+     *       hash = crypto.createHash('sha256');
+     *       console.log('  Public key ping-sha256:', sha256(cert.pubkey));
+     *
+     *       lastprint256 = cert.fingerprint256;
+     *       cert = cert.issuerCertificate;
+     *     } while (cert.fingerprint256 !== lastprint256);
+     *
+     *   },
+     * };
+     *
+     * options.agent = new https.Agent(options);
+     * const req = https.request(options, (res) => {
+     *   console.log('All OK. Server matched our pinned cert or public key');
+     *   console.log('statusCode:', res.statusCode);
+     *   // Print the HPKP values
+     *   console.log('headers:', res.headers['public-key-pins']);
+     *
+     *   res.on('data', (d) => {});
+     * });
+     *
+     * req.on('error', (e) => {
+     *   console.error(e.message);
+     * });
+     * req.end();
+     * ```
+     *
+     * Outputs for example:
+     *
+     * ```text
+     * Subject Common Name: github.com
+     *   Certificate SHA256 fingerprint: 25:FE:39:32:D9:63:8C:8A:FC:A1:9A:29:87:D8:3E:4C:1D:98:DB:71:E4:1A:48:03:98:EA:22:6A:BD:8B:93:16
+     *   Public key ping-sha256: pL1+qb9HTMRZJmuC/bB/ZI9d302BYrrqiVuRyW+DGrU=
+     * Subject Common Name: DigiCert SHA2 Extended Validation Server CA
+     *   Certificate SHA256 fingerprint: 40:3E:06:2A:26:53:05:91:13:28:5B:AF:80:A0:D4:AE:42:2C:84:8C:9F:78:FA:D0:1F:C9:4B:C5:B8:7F:EF:1A
+     *   Public key ping-sha256: RRM1dGqnDFsCJXBTHky16vi1obOlCgFFn/yOhI/y+ho=
+     * Subject Common Name: DigiCert High Assurance EV Root CA
+     *   Certificate SHA256 fingerprint: 74:31:E5:F4:C3:C1:CE:46:90:77:4F:0B:61:E0:54:40:88:3B:A9:A0:1E:D0:0B:A6:AB:D7:80:6E:D3:B1:18:CF
+     *   Public key ping-sha256: WoiWRyIOVNa9ihaBciRSC7XHjliYS9VwUGOIud4PB18=
+     * All OK. Server matched our pinned cert or public key
+     * statusCode: 200
+     * headers: max-age=0; pin-sha256="WoiWRyIOVNa9ihaBciRSC7XHjliYS9VwUGOIud4PB18="; pin-sha256="RRM1dGqnDFsCJXBTHky16vi1obOlCgFFn/yOhI/y+ho=";
+     * pin-sha256="k2v657xBsOVe1PQRwOsHsw3bsGT2VzIqz5K+59sNQws="; pin-sha256="K87oWBWM9UZfyddvDfoxL+8lpNyoUB2ptGtn0fv6G2Q="; pin-sha256="IQBnNBEiFuhj+8x6X8XLgh01V9Ic5/V3IRQLNFFc7v4=";
+     * pin-sha256="iie1VXtL7HzAMF+/PVPR9xzT80kQxdZeJ+zduCB3uj0="; pin-sha256="LvRiGEjRqfzurezaWuj8Wie2gyHMrW5Q06LspMnox7A="; includeSubDomains
+     * ```
+     * @since v0.3.6
+     * @param options Accepts all `options` from `request`, with some differences in default values:
+     */
+    function request(
+        options: RequestOptions | string | URL,
+        callback?: (res: http.IncomingMessage) => void,
+    ): http.ClientRequest;
+    function request(
+        url: string | URL,
+        options: RequestOptions,
+        callback?: (res: http.IncomingMessage) => void,
+    ): http.ClientRequest;
+    /**
+     * Like `http.get()` but for HTTPS.
+     *
+     * `options` can be an object, a string, or a `URL` object. If `options` is a
+     * string, it is automatically parsed with `new URL()`. If it is a `URL` object, it will be automatically converted to an ordinary `options` object.
+     *
+     * ```js
+     * const https = require('https');
+     *
+     * https.get('https://encrypted.google.com/', (res) => {
+     *   console.log('statusCode:', res.statusCode);
+     *   console.log('headers:', res.headers);
+     *
+     *   res.on('data', (d) => {
+     *     process.stdout.write(d);
+     *   });
+     *
+     * }).on('error', (e) => {
+     *   console.error(e);
+     * });
+     * ```
+     * @since v0.3.6
+     * @param options Accepts the same `options` as {@link request}, with the `method` always set to `GET`.
+     */
+    function get(
+        options: RequestOptions | string | URL,
+        callback?: (res: http.IncomingMessage) => void,
+    ): http.ClientRequest;
+    function get(
+        url: string | URL,
+        options: RequestOptions,
+        callback?: (res: http.IncomingMessage) => void,
+    ): http.ClientRequest;
+    let globalAgent: Agent;
+}
+declare module 'node:https' {
+    export * from 'https';
+}
diff --git a/node_modules/@types/node/index.d.ts b/node_modules/@types/node/index.d.ts
new file mode 100644
index 000000000..2cec52a84
--- /dev/null
+++ b/node_modules/@types/node/index.d.ts
@@ -0,0 +1,132 @@
+// Type definitions for non-npm package Node.js 18.7
+// Project: https://nodejs.org/
+// Definitions by: Microsoft TypeScript <https://github.com/Microsoft>
+//                 DefinitelyTyped <https://github.com/DefinitelyTyped>
+//                 Alberto Schiabel <https://github.com/jkomyno>
+//                 Alvis HT Tang <https://github.com/alvis>
+//                 Andrew Makarov <https://github.com/r3nya>
+//                 Benjamin Toueg <https://github.com/btoueg>
+//                 Chigozirim C. <https://github.com/smac89>
+//                 David Junger <https://github.com/touffy>
+//                 Deividas Bakanas <https://github.com/DeividasBakanas>
+//                 Eugene Y. Q. Shen <https://github.com/eyqs>
+//                 Hannes Magnusson <https://github.com/Hannes-Magnusson-CK>
+//                 Huw <https://github.com/hoo29>
+//                 Kelvin Jin <https://github.com/kjin>
+//                 Klaus Meinhardt <https://github.com/ajafff>
+//                 Lishude <https://github.com/islishude>
+//                 Mariusz Wiktorczyk <https://github.com/mwiktorczyk>
+//                 Mohsen Azimi <https://github.com/mohsen1>
+//                 Nicolas Even <https://github.com/n-e>
+//                 Nikita Galkin <https://github.com/galkin>
+//                 Parambir Singh <https://github.com/parambirs>
+//                 Sebastian Silbermann <https://github.com/eps1lon>
+//                 Simon Schick <https://github.com/SimonSchick>
+//                 Thomas den Hollander <https://github.com/ThomasdenH>
+//                 Wilco Bakker <https://github.com/WilcoBakker>
+//                 wwwy3y3 <https://github.com/wwwy3y3>
+//                 Samuel Ainsworth <https://github.com/samuela>
+//                 Kyle Uehlein <https://github.com/kuehlein>
+//                 Thanik Bhongbhibhat <https://github.com/bhongy>
+//                 Marcin Kopacz <https://github.com/chyzwar>
+//                 Trivikram Kamat <https://github.com/trivikr>
+//                 Junxiao Shi <https://github.com/yoursunny>
+//                 Ilia Baryshnikov <https://github.com/qwelias>
+//                 ExE Boss <https://github.com/ExE-Boss>
+//                 Piotr Błażejewicz <https://github.com/peterblazejewicz>
+//                 Anna Henningsen <https://github.com/addaleax>
+//                 Victor Perin <https://github.com/victorperin>
+//                 Yongsheng Zhang <https://github.com/ZYSzys>
+//                 NodeJS Contributors <https://github.com/NodeJS>
+//                 Linus Unnebäck <https://github.com/LinusU>
+//                 wafuwafu13 <https://github.com/wafuwafu13>
+//                 Matteo Collina <https://github.com/mcollina>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/**
+ * License for programmatically and manually incorporated
+ * documentation aka. `JSDoc` from https://github.com/nodejs/node/tree/master/doc
+ *
+ * Copyright Node.js contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+// NOTE: These definitions support NodeJS and TypeScript 4.9+.
+
+// Reference required types from the default lib:
+/// <reference lib="es2020" />
+/// <reference lib="esnext.asynciterable" />
+/// <reference lib="esnext.intl" />
+/// <reference lib="esnext.bigint" />
+
+// Base definitions for all NodeJS modules that are not specific to any version of TypeScript:
+/// <reference path="assert.d.ts" />
+/// <reference path="assert/strict.d.ts" />
+/// <reference path="globals.d.ts" />
+/// <reference path="async_hooks.d.ts" />
+/// <reference path="buffer.d.ts" />
+/// <reference path="child_process.d.ts" />
+/// <reference path="cluster.d.ts" />
+/// <reference path="console.d.ts" />
+/// <reference path="constants.d.ts" />
+/// <reference path="crypto.d.ts" />
+/// <reference path="dgram.d.ts" />
+/// <reference path="diagnostics_channel.d.ts" />
+/// <reference path="dns.d.ts" />
+/// <reference path="dns/promises.d.ts" />
+/// <reference path="dns/promises.d.ts" />
+/// <reference path="domain.d.ts" />
+/// <reference path="events.d.ts" />
+/// <reference path="fs.d.ts" />
+/// <reference path="fs/promises.d.ts" />
+/// <reference path="http.d.ts" />
+/// <reference path="http2.d.ts" />
+/// <reference path="https.d.ts" />
+/// <reference path="inspector.d.ts" />
+/// <reference path="module.d.ts" />
+/// <reference path="net.d.ts" />
+/// <reference path="os.d.ts" />
+/// <reference path="path.d.ts" />
+/// <reference path="perf_hooks.d.ts" />
+/// <reference path="process.d.ts" />
+/// <reference path="punycode.d.ts" />
+/// <reference path="querystring.d.ts" />
+/// <reference path="readline.d.ts" />
+/// <reference path="readline/promises.d.ts" />
+/// <reference path="repl.d.ts" />
+/// <reference path="stream.d.ts" />
+/// <reference path="stream/promises.d.ts" />
+/// <reference path="stream/consumers.d.ts" />
+/// <reference path="stream/web.d.ts" />
+/// <reference path="string_decoder.d.ts" />
+/// <reference path="test.d.ts" />
+/// <reference path="timers.d.ts" />
+/// <reference path="timers/promises.d.ts" />
+/// <reference path="tls.d.ts" />
+/// <reference path="trace_events.d.ts" />
+/// <reference path="tty.d.ts" />
+/// <reference path="url.d.ts" />
+/// <reference path="util.d.ts" />
+/// <reference path="v8.d.ts" />
+/// <reference path="vm.d.ts" />
+/// <reference path="wasi.d.ts" />
+/// <reference path="worker_threads.d.ts" />
+/// <reference path="zlib.d.ts" />
+
+/// <reference path="globals.global.d.ts" />
diff --git a/node_modules/@types/node/inspector.d.ts b/node_modules/@types/node/inspector.d.ts
new file mode 100644
index 000000000..eba0b55d8
--- /dev/null
+++ b/node_modules/@types/node/inspector.d.ts
@@ -0,0 +1,2741 @@
+// eslint-disable-next-line dt-header
+// Type definitions for inspector
+
+// These definitions are auto-generated.
+// Please see https://github.com/DefinitelyTyped/DefinitelyTyped/pull/19330
+// for more information.
+
+// tslint:disable:max-line-length
+
+/**
+ * The `inspector` module provides an API for interacting with the V8 inspector.
+ *
+ * It can be accessed using:
+ *
+ * ```js
+ * const inspector = require('inspector');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/inspector.js)
+ */
+declare module 'inspector' {
+    import EventEmitter = require('node:events');
+    interface InspectorNotification<T> {
+        method: string;
+        params: T;
+    }
+    namespace Schema {
+        /**
+         * Description of the protocol domain.
+         */
+        interface Domain {
+            /**
+             * Domain name.
+             */
+            name: string;
+            /**
+             * Domain version.
+             */
+            version: string;
+        }
+        interface GetDomainsReturnType {
+            /**
+             * List of supported domains.
+             */
+            domains: Domain[];
+        }
+    }
+    namespace Runtime {
+        /**
+         * Unique script identifier.
+         */
+        type ScriptId = string;
+        /**
+         * Unique object identifier.
+         */
+        type RemoteObjectId = string;
+        /**
+         * Primitive value which cannot be JSON-stringified.
+         */
+        type UnserializableValue = string;
+        /**
+         * Mirror object referencing original JavaScript object.
+         */
+        interface RemoteObject {
+            /**
+             * Object type.
+             */
+            type: string;
+            /**
+             * Object subtype hint. Specified for <code>object</code> type values only.
+             */
+            subtype?: string | undefined;
+            /**
+             * Object class (constructor) name. Specified for <code>object</code> type values only.
+             */
+            className?: string | undefined;
+            /**
+             * Remote object value in case of primitive values or JSON values (if it was requested).
+             */
+            value?: any;
+            /**
+             * Primitive value which can not be JSON-stringified does not have <code>value</code>, but gets this property.
+             */
+            unserializableValue?: UnserializableValue | undefined;
+            /**
+             * String representation of the object.
+             */
+            description?: string | undefined;
+            /**
+             * Unique object identifier (for non-primitive values).
+             */
+            objectId?: RemoteObjectId | undefined;
+            /**
+             * Preview containing abbreviated property values. Specified for <code>object</code> type values only.
+             * @experimental
+             */
+            preview?: ObjectPreview | undefined;
+            /**
+             * @experimental
+             */
+            customPreview?: CustomPreview | undefined;
+        }
+        /**
+         * @experimental
+         */
+        interface CustomPreview {
+            header: string;
+            hasBody: boolean;
+            formatterObjectId: RemoteObjectId;
+            bindRemoteObjectFunctionId: RemoteObjectId;
+            configObjectId?: RemoteObjectId | undefined;
+        }
+        /**
+         * Object containing abbreviated remote object value.
+         * @experimental
+         */
+        interface ObjectPreview {
+            /**
+             * Object type.
+             */
+            type: string;
+            /**
+             * Object subtype hint. Specified for <code>object</code> type values only.
+             */
+            subtype?: string | undefined;
+            /**
+             * String representation of the object.
+             */
+            description?: string | undefined;
+            /**
+             * True iff some of the properties or entries of the original object did not fit.
+             */
+            overflow: boolean;
+            /**
+             * List of the properties.
+             */
+            properties: PropertyPreview[];
+            /**
+             * List of the entries. Specified for <code>map</code> and <code>set</code> subtype values only.
+             */
+            entries?: EntryPreview[] | undefined;
+        }
+        /**
+         * @experimental
+         */
+        interface PropertyPreview {
+            /**
+             * Property name.
+             */
+            name: string;
+            /**
+             * Object type. Accessor means that the property itself is an accessor property.
+             */
+            type: string;
+            /**
+             * User-friendly property value string.
+             */
+            value?: string | undefined;
+            /**
+             * Nested value preview.
+             */
+            valuePreview?: ObjectPreview | undefined;
+            /**
+             * Object subtype hint. Specified for <code>object</code> type values only.
+             */
+            subtype?: string | undefined;
+        }
+        /**
+         * @experimental
+         */
+        interface EntryPreview {
+            /**
+             * Preview of the key. Specified for map-like collection entries.
+             */
+            key?: ObjectPreview | undefined;
+            /**
+             * Preview of the value.
+             */
+            value: ObjectPreview;
+        }
+        /**
+         * Object property descriptor.
+         */
+        interface PropertyDescriptor {
+            /**
+             * Property name or symbol description.
+             */
+            name: string;
+            /**
+             * The value associated with the property.
+             */
+            value?: RemoteObject | undefined;
+            /**
+             * True if the value associated with the property may be changed (data descriptors only).
+             */
+            writable?: boolean | undefined;
+            /**
+             * A function which serves as a getter for the property, or <code>undefined</code> if there is no getter (accessor descriptors only).
+             */
+            get?: RemoteObject | undefined;
+            /**
+             * A function which serves as a setter for the property, or <code>undefined</code> if there is no setter (accessor descriptors only).
+             */
+            set?: RemoteObject | undefined;
+            /**
+             * True if the type of this property descriptor may be changed and if the property may be deleted from the corresponding object.
+             */
+            configurable: boolean;
+            /**
+             * True if this property shows up during enumeration of the properties on the corresponding object.
+             */
+            enumerable: boolean;
+            /**
+             * True if the result was thrown during the evaluation.
+             */
+            wasThrown?: boolean | undefined;
+            /**
+             * True if the property is owned for the object.
+             */
+            isOwn?: boolean | undefined;
+            /**
+             * Property symbol object, if the property is of the <code>symbol</code> type.
+             */
+            symbol?: RemoteObject | undefined;
+        }
+        /**
+         * Object internal property descriptor. This property isn't normally visible in JavaScript code.
+         */
+        interface InternalPropertyDescriptor {
+            /**
+             * Conventional property name.
+             */
+            name: string;
+            /**
+             * The value associated with the property.
+             */
+            value?: RemoteObject | undefined;
+        }
+        /**
+         * Represents function call argument. Either remote object id <code>objectId</code>, primitive <code>value</code>, unserializable primitive value or neither of (for undefined) them should be specified.
+         */
+        interface CallArgument {
+            /**
+             * Primitive value or serializable javascript object.
+             */
+            value?: any;
+            /**
+             * Primitive value which can not be JSON-stringified.
+             */
+            unserializableValue?: UnserializableValue | undefined;
+            /**
+             * Remote object handle.
+             */
+            objectId?: RemoteObjectId | undefined;
+        }
+        /**
+         * Id of an execution context.
+         */
+        type ExecutionContextId = number;
+        /**
+         * Description of an isolated world.
+         */
+        interface ExecutionContextDescription {
+            /**
+             * Unique id of the execution context. It can be used to specify in which execution context script evaluation should be performed.
+             */
+            id: ExecutionContextId;
+            /**
+             * Execution context origin.
+             */
+            origin: string;
+            /**
+             * Human readable name describing given context.
+             */
+            name: string;
+            /**
+             * Embedder-specific auxiliary data.
+             */
+            auxData?: {} | undefined;
+        }
+        /**
+         * Detailed information about exception (or error) that was thrown during script compilation or execution.
+         */
+        interface ExceptionDetails {
+            /**
+             * Exception id.
+             */
+            exceptionId: number;
+            /**
+             * Exception text, which should be used together with exception object when available.
+             */
+            text: string;
+            /**
+             * Line number of the exception location (0-based).
+             */
+            lineNumber: number;
+            /**
+             * Column number of the exception location (0-based).
+             */
+            columnNumber: number;
+            /**
+             * Script ID of the exception location.
+             */
+            scriptId?: ScriptId | undefined;
+            /**
+             * URL of the exception location, to be used when the script was not reported.
+             */
+            url?: string | undefined;
+            /**
+             * JavaScript stack trace if available.
+             */
+            stackTrace?: StackTrace | undefined;
+            /**
+             * Exception object if available.
+             */
+            exception?: RemoteObject | undefined;
+            /**
+             * Identifier of the context where exception happened.
+             */
+            executionContextId?: ExecutionContextId | undefined;
+        }
+        /**
+         * Number of milliseconds since epoch.
+         */
+        type Timestamp = number;
+        /**
+         * Stack entry for runtime errors and assertions.
+         */
+        interface CallFrame {
+            /**
+             * JavaScript function name.
+             */
+            functionName: string;
+            /**
+             * JavaScript script id.
+             */
+            scriptId: ScriptId;
+            /**
+             * JavaScript script name or url.
+             */
+            url: string;
+            /**
+             * JavaScript script line number (0-based).
+             */
+            lineNumber: number;
+            /**
+             * JavaScript script column number (0-based).
+             */
+            columnNumber: number;
+        }
+        /**
+         * Call frames for assertions or error messages.
+         */
+        interface StackTrace {
+            /**
+             * String label of this stack trace. For async traces this may be a name of the function that initiated the async call.
+             */
+            description?: string | undefined;
+            /**
+             * JavaScript function name.
+             */
+            callFrames: CallFrame[];
+            /**
+             * Asynchronous JavaScript stack trace that preceded this stack, if available.
+             */
+            parent?: StackTrace | undefined;
+            /**
+             * Asynchronous JavaScript stack trace that preceded this stack, if available.
+             * @experimental
+             */
+            parentId?: StackTraceId | undefined;
+        }
+        /**
+         * Unique identifier of current debugger.
+         * @experimental
+         */
+        type UniqueDebuggerId = string;
+        /**
+         * If <code>debuggerId</code> is set stack trace comes from another debugger and can be resolved there. This allows to track cross-debugger calls. See <code>Runtime.StackTrace</code> and <code>Debugger.paused</code> for usages.
+         * @experimental
+         */
+        interface StackTraceId {
+            id: string;
+            debuggerId?: UniqueDebuggerId | undefined;
+        }
+        interface EvaluateParameterType {
+            /**
+             * Expression to evaluate.
+             */
+            expression: string;
+            /**
+             * Symbolic group name that can be used to release multiple objects.
+             */
+            objectGroup?: string | undefined;
+            /**
+             * Determines whether Command Line API should be available during the evaluation.
+             */
+            includeCommandLineAPI?: boolean | undefined;
+            /**
+             * In silent mode exceptions thrown during evaluation are not reported and do not pause execution. Overrides <code>setPauseOnException</code> state.
+             */
+            silent?: boolean | undefined;
+            /**
+             * Specifies in which execution context to perform evaluation. If the parameter is omitted the evaluation will be performed in the context of the inspected page.
+             */
+            contextId?: ExecutionContextId | undefined;
+            /**
+             * Whether the result is expected to be a JSON object that should be sent by value.
+             */
+            returnByValue?: boolean | undefined;
+            /**
+             * Whether preview should be generated for the result.
+             * @experimental
+             */
+            generatePreview?: boolean | undefined;
+            /**
+             * Whether execution should be treated as initiated by user in the UI.
+             */
+            userGesture?: boolean | undefined;
+            /**
+             * Whether execution should <code>await</code> for resulting value and return once awaited promise is resolved.
+             */
+            awaitPromise?: boolean | undefined;
+        }
+        interface AwaitPromiseParameterType {
+            /**
+             * Identifier of the promise.
+             */
+            promiseObjectId: RemoteObjectId;
+            /**
+             * Whether the result is expected to be a JSON object that should be sent by value.
+             */
+            returnByValue?: boolean | undefined;
+            /**
+             * Whether preview should be generated for the result.
+             */
+            generatePreview?: boolean | undefined;
+        }
+        interface CallFunctionOnParameterType {
+            /**
+             * Declaration of the function to call.
+             */
+            functionDeclaration: string;
+            /**
+             * Identifier of the object to call function on. Either objectId or executionContextId should be specified.
+             */
+            objectId?: RemoteObjectId | undefined;
+            /**
+             * Call arguments. All call arguments must belong to the same JavaScript world as the target object.
+             */
+            arguments?: CallArgument[] | undefined;
+            /**
+             * In silent mode exceptions thrown during evaluation are not reported and do not pause execution. Overrides <code>setPauseOnException</code> state.
+             */
+            silent?: boolean | undefined;
+            /**
+             * Whether the result is expected to be a JSON object which should be sent by value.
+             */
+            returnByValue?: boolean | undefined;
+            /**
+             * Whether preview should be generated for the result.
+             * @experimental
+             */
+            generatePreview?: boolean | undefined;
+            /**
+             * Whether execution should be treated as initiated by user in the UI.
+             */
+            userGesture?: boolean | undefined;
+            /**
+             * Whether execution should <code>await</code> for resulting value and return once awaited promise is resolved.
+             */
+            awaitPromise?: boolean | undefined;
+            /**
+             * Specifies execution context which global object will be used to call function on. Either executionContextId or objectId should be specified.
+             */
+            executionContextId?: ExecutionContextId | undefined;
+            /**
+             * Symbolic group name that can be used to release multiple objects. If objectGroup is not specified and objectId is, objectGroup will be inherited from object.
+             */
+            objectGroup?: string | undefined;
+        }
+        interface GetPropertiesParameterType {
+            /**
+             * Identifier of the object to return properties for.
+             */
+            objectId: RemoteObjectId;
+            /**
+             * If true, returns properties belonging only to the element itself, not to its prototype chain.
+             */
+            ownProperties?: boolean | undefined;
+            /**
+             * If true, returns accessor properties (with getter/setter) only; internal properties are not returned either.
+             * @experimental
+             */
+            accessorPropertiesOnly?: boolean | undefined;
+            /**
+             * Whether preview should be generated for the results.
+             * @experimental
+             */
+            generatePreview?: boolean | undefined;
+        }
+        interface ReleaseObjectParameterType {
+            /**
+             * Identifier of the object to release.
+             */
+            objectId: RemoteObjectId;
+        }
+        interface ReleaseObjectGroupParameterType {
+            /**
+             * Symbolic object group name.
+             */
+            objectGroup: string;
+        }
+        interface SetCustomObjectFormatterEnabledParameterType {
+            enabled: boolean;
+        }
+        interface CompileScriptParameterType {
+            /**
+             * Expression to compile.
+             */
+            expression: string;
+            /**
+             * Source url to be set for the script.
+             */
+            sourceURL: string;
+            /**
+             * Specifies whether the compiled script should be persisted.
+             */
+            persistScript: boolean;
+            /**
+             * Specifies in which execution context to perform script run. If the parameter is omitted the evaluation will be performed in the context of the inspected page.
+             */
+            executionContextId?: ExecutionContextId | undefined;
+        }
+        interface RunScriptParameterType {
+            /**
+             * Id of the script to run.
+             */
+            scriptId: ScriptId;
+            /**
+             * Specifies in which execution context to perform script run. If the parameter is omitted the evaluation will be performed in the context of the inspected page.
+             */
+            executionContextId?: ExecutionContextId | undefined;
+            /**
+             * Symbolic group name that can be used to release multiple objects.
+             */
+            objectGroup?: string | undefined;
+            /**
+             * In silent mode exceptions thrown during evaluation are not reported and do not pause execution. Overrides <code>setPauseOnException</code> state.
+             */
+            silent?: boolean | undefined;
+            /**
+             * Determines whether Command Line API should be available during the evaluation.
+             */
+            includeCommandLineAPI?: boolean | undefined;
+            /**
+             * Whether the result is expected to be a JSON object which should be sent by value.
+             */
+            returnByValue?: boolean | undefined;
+            /**
+             * Whether preview should be generated for the result.
+             */
+            generatePreview?: boolean | undefined;
+            /**
+             * Whether execution should <code>await</code> for resulting value and return once awaited promise is resolved.
+             */
+            awaitPromise?: boolean | undefined;
+        }
+        interface QueryObjectsParameterType {
+            /**
+             * Identifier of the prototype to return objects for.
+             */
+            prototypeObjectId: RemoteObjectId;
+        }
+        interface GlobalLexicalScopeNamesParameterType {
+            /**
+             * Specifies in which execution context to lookup global scope variables.
+             */
+            executionContextId?: ExecutionContextId | undefined;
+        }
+        interface EvaluateReturnType {
+            /**
+             * Evaluation result.
+             */
+            result: RemoteObject;
+            /**
+             * Exception details.
+             */
+            exceptionDetails?: ExceptionDetails | undefined;
+        }
+        interface AwaitPromiseReturnType {
+            /**
+             * Promise result. Will contain rejected value if promise was rejected.
+             */
+            result: RemoteObject;
+            /**
+             * Exception details if stack strace is available.
+             */
+            exceptionDetails?: ExceptionDetails | undefined;
+        }
+        interface CallFunctionOnReturnType {
+            /**
+             * Call result.
+             */
+            result: RemoteObject;
+            /**
+             * Exception details.
+             */
+            exceptionDetails?: ExceptionDetails | undefined;
+        }
+        interface GetPropertiesReturnType {
+            /**
+             * Object properties.
+             */
+            result: PropertyDescriptor[];
+            /**
+             * Internal object properties (only of the element itself).
+             */
+            internalProperties?: InternalPropertyDescriptor[] | undefined;
+            /**
+             * Exception details.
+             */
+            exceptionDetails?: ExceptionDetails | undefined;
+        }
+        interface CompileScriptReturnType {
+            /**
+             * Id of the script.
+             */
+            scriptId?: ScriptId | undefined;
+            /**
+             * Exception details.
+             */
+            exceptionDetails?: ExceptionDetails | undefined;
+        }
+        interface RunScriptReturnType {
+            /**
+             * Run result.
+             */
+            result: RemoteObject;
+            /**
+             * Exception details.
+             */
+            exceptionDetails?: ExceptionDetails | undefined;
+        }
+        interface QueryObjectsReturnType {
+            /**
+             * Array with objects.
+             */
+            objects: RemoteObject;
+        }
+        interface GlobalLexicalScopeNamesReturnType {
+            names: string[];
+        }
+        interface ExecutionContextCreatedEventDataType {
+            /**
+             * A newly created execution context.
+             */
+            context: ExecutionContextDescription;
+        }
+        interface ExecutionContextDestroyedEventDataType {
+            /**
+             * Id of the destroyed context
+             */
+            executionContextId: ExecutionContextId;
+        }
+        interface ExceptionThrownEventDataType {
+            /**
+             * Timestamp of the exception.
+             */
+            timestamp: Timestamp;
+            exceptionDetails: ExceptionDetails;
+        }
+        interface ExceptionRevokedEventDataType {
+            /**
+             * Reason describing why exception was revoked.
+             */
+            reason: string;
+            /**
+             * The id of revoked exception, as reported in <code>exceptionThrown</code>.
+             */
+            exceptionId: number;
+        }
+        interface ConsoleAPICalledEventDataType {
+            /**
+             * Type of the call.
+             */
+            type: string;
+            /**
+             * Call arguments.
+             */
+            args: RemoteObject[];
+            /**
+             * Identifier of the context where the call was made.
+             */
+            executionContextId: ExecutionContextId;
+            /**
+             * Call timestamp.
+             */
+            timestamp: Timestamp;
+            /**
+             * Stack trace captured when the call was made.
+             */
+            stackTrace?: StackTrace | undefined;
+            /**
+             * Console context descriptor for calls on non-default console context (not console.*): 'anonymous#unique-logger-id' for call on unnamed context, 'name#unique-logger-id' for call on named context.
+             * @experimental
+             */
+            context?: string | undefined;
+        }
+        interface InspectRequestedEventDataType {
+            object: RemoteObject;
+            hints: {};
+        }
+    }
+    namespace Debugger {
+        /**
+         * Breakpoint identifier.
+         */
+        type BreakpointId = string;
+        /**
+         * Call frame identifier.
+         */
+        type CallFrameId = string;
+        /**
+         * Location in the source code.
+         */
+        interface Location {
+            /**
+             * Script identifier as reported in the <code>Debugger.scriptParsed</code>.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * Line number in the script (0-based).
+             */
+            lineNumber: number;
+            /**
+             * Column number in the script (0-based).
+             */
+            columnNumber?: number | undefined;
+        }
+        /**
+         * Location in the source code.
+         * @experimental
+         */
+        interface ScriptPosition {
+            lineNumber: number;
+            columnNumber: number;
+        }
+        /**
+         * JavaScript call frame. Array of call frames form the call stack.
+         */
+        interface CallFrame {
+            /**
+             * Call frame identifier. This identifier is only valid while the virtual machine is paused.
+             */
+            callFrameId: CallFrameId;
+            /**
+             * Name of the JavaScript function called on this call frame.
+             */
+            functionName: string;
+            /**
+             * Location in the source code.
+             */
+            functionLocation?: Location | undefined;
+            /**
+             * Location in the source code.
+             */
+            location: Location;
+            /**
+             * JavaScript script name or url.
+             */
+            url: string;
+            /**
+             * Scope chain for this call frame.
+             */
+            scopeChain: Scope[];
+            /**
+             * <code>this</code> object for this call frame.
+             */
+            this: Runtime.RemoteObject;
+            /**
+             * The value being returned, if the function is at return point.
+             */
+            returnValue?: Runtime.RemoteObject | undefined;
+        }
+        /**
+         * Scope description.
+         */
+        interface Scope {
+            /**
+             * Scope type.
+             */
+            type: string;
+            /**
+             * Object representing the scope. For <code>global</code> and <code>with</code> scopes it represents the actual object; for the rest of the scopes, it is artificial transient object enumerating scope variables as its properties.
+             */
+            object: Runtime.RemoteObject;
+            name?: string | undefined;
+            /**
+             * Location in the source code where scope starts
+             */
+            startLocation?: Location | undefined;
+            /**
+             * Location in the source code where scope ends
+             */
+            endLocation?: Location | undefined;
+        }
+        /**
+         * Search match for resource.
+         */
+        interface SearchMatch {
+            /**
+             * Line number in resource content.
+             */
+            lineNumber: number;
+            /**
+             * Line with match content.
+             */
+            lineContent: string;
+        }
+        interface BreakLocation {
+            /**
+             * Script identifier as reported in the <code>Debugger.scriptParsed</code>.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * Line number in the script (0-based).
+             */
+            lineNumber: number;
+            /**
+             * Column number in the script (0-based).
+             */
+            columnNumber?: number | undefined;
+            type?: string | undefined;
+        }
+        interface SetBreakpointsActiveParameterType {
+            /**
+             * New value for breakpoints active state.
+             */
+            active: boolean;
+        }
+        interface SetSkipAllPausesParameterType {
+            /**
+             * New value for skip pauses state.
+             */
+            skip: boolean;
+        }
+        interface SetBreakpointByUrlParameterType {
+            /**
+             * Line number to set breakpoint at.
+             */
+            lineNumber: number;
+            /**
+             * URL of the resources to set breakpoint on.
+             */
+            url?: string | undefined;
+            /**
+             * Regex pattern for the URLs of the resources to set breakpoints on. Either <code>url</code> or <code>urlRegex</code> must be specified.
+             */
+            urlRegex?: string | undefined;
+            /**
+             * Script hash of the resources to set breakpoint on.
+             */
+            scriptHash?: string | undefined;
+            /**
+             * Offset in the line to set breakpoint at.
+             */
+            columnNumber?: number | undefined;
+            /**
+             * Expression to use as a breakpoint condition. When specified, debugger will only stop on the breakpoint if this expression evaluates to true.
+             */
+            condition?: string | undefined;
+        }
+        interface SetBreakpointParameterType {
+            /**
+             * Location to set breakpoint in.
+             */
+            location: Location;
+            /**
+             * Expression to use as a breakpoint condition. When specified, debugger will only stop on the breakpoint if this expression evaluates to true.
+             */
+            condition?: string | undefined;
+        }
+        interface RemoveBreakpointParameterType {
+            breakpointId: BreakpointId;
+        }
+        interface GetPossibleBreakpointsParameterType {
+            /**
+             * Start of range to search possible breakpoint locations in.
+             */
+            start: Location;
+            /**
+             * End of range to search possible breakpoint locations in (excluding). When not specified, end of scripts is used as end of range.
+             */
+            end?: Location | undefined;
+            /**
+             * Only consider locations which are in the same (non-nested) function as start.
+             */
+            restrictToFunction?: boolean | undefined;
+        }
+        interface ContinueToLocationParameterType {
+            /**
+             * Location to continue to.
+             */
+            location: Location;
+            targetCallFrames?: string | undefined;
+        }
+        interface PauseOnAsyncCallParameterType {
+            /**
+             * Debugger will pause when async call with given stack trace is started.
+             */
+            parentStackTraceId: Runtime.StackTraceId;
+        }
+        interface StepIntoParameterType {
+            /**
+             * Debugger will issue additional Debugger.paused notification if any async task is scheduled before next pause.
+             * @experimental
+             */
+            breakOnAsyncCall?: boolean | undefined;
+        }
+        interface GetStackTraceParameterType {
+            stackTraceId: Runtime.StackTraceId;
+        }
+        interface SearchInContentParameterType {
+            /**
+             * Id of the script to search in.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * String to search for.
+             */
+            query: string;
+            /**
+             * If true, search is case sensitive.
+             */
+            caseSensitive?: boolean | undefined;
+            /**
+             * If true, treats string parameter as regex.
+             */
+            isRegex?: boolean | undefined;
+        }
+        interface SetScriptSourceParameterType {
+            /**
+             * Id of the script to edit.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * New content of the script.
+             */
+            scriptSource: string;
+            /**
+             *  If true the change will not actually be applied. Dry run may be used to get result description without actually modifying the code.
+             */
+            dryRun?: boolean | undefined;
+        }
+        interface RestartFrameParameterType {
+            /**
+             * Call frame identifier to evaluate on.
+             */
+            callFrameId: CallFrameId;
+        }
+        interface GetScriptSourceParameterType {
+            /**
+             * Id of the script to get source for.
+             */
+            scriptId: Runtime.ScriptId;
+        }
+        interface SetPauseOnExceptionsParameterType {
+            /**
+             * Pause on exceptions mode.
+             */
+            state: string;
+        }
+        interface EvaluateOnCallFrameParameterType {
+            /**
+             * Call frame identifier to evaluate on.
+             */
+            callFrameId: CallFrameId;
+            /**
+             * Expression to evaluate.
+             */
+            expression: string;
+            /**
+             * String object group name to put result into (allows rapid releasing resulting object handles using <code>releaseObjectGroup</code>).
+             */
+            objectGroup?: string | undefined;
+            /**
+             * Specifies whether command line API should be available to the evaluated expression, defaults to false.
+             */
+            includeCommandLineAPI?: boolean | undefined;
+            /**
+             * In silent mode exceptions thrown during evaluation are not reported and do not pause execution. Overrides <code>setPauseOnException</code> state.
+             */
+            silent?: boolean | undefined;
+            /**
+             * Whether the result is expected to be a JSON object that should be sent by value.
+             */
+            returnByValue?: boolean | undefined;
+            /**
+             * Whether preview should be generated for the result.
+             * @experimental
+             */
+            generatePreview?: boolean | undefined;
+            /**
+             * Whether to throw an exception if side effect cannot be ruled out during evaluation.
+             */
+            throwOnSideEffect?: boolean | undefined;
+        }
+        interface SetVariableValueParameterType {
+            /**
+             * 0-based number of scope as was listed in scope chain. Only 'local', 'closure' and 'catch' scope types are allowed. Other scopes could be manipulated manually.
+             */
+            scopeNumber: number;
+            /**
+             * Variable name.
+             */
+            variableName: string;
+            /**
+             * New variable value.
+             */
+            newValue: Runtime.CallArgument;
+            /**
+             * Id of callframe that holds variable.
+             */
+            callFrameId: CallFrameId;
+        }
+        interface SetReturnValueParameterType {
+            /**
+             * New return value.
+             */
+            newValue: Runtime.CallArgument;
+        }
+        interface SetAsyncCallStackDepthParameterType {
+            /**
+             * Maximum depth of async call stacks. Setting to <code>0</code> will effectively disable collecting async call stacks (default).
+             */
+            maxDepth: number;
+        }
+        interface SetBlackboxPatternsParameterType {
+            /**
+             * Array of regexps that will be used to check script url for blackbox state.
+             */
+            patterns: string[];
+        }
+        interface SetBlackboxedRangesParameterType {
+            /**
+             * Id of the script.
+             */
+            scriptId: Runtime.ScriptId;
+            positions: ScriptPosition[];
+        }
+        interface EnableReturnType {
+            /**
+             * Unique identifier of the debugger.
+             * @experimental
+             */
+            debuggerId: Runtime.UniqueDebuggerId;
+        }
+        interface SetBreakpointByUrlReturnType {
+            /**
+             * Id of the created breakpoint for further reference.
+             */
+            breakpointId: BreakpointId;
+            /**
+             * List of the locations this breakpoint resolved into upon addition.
+             */
+            locations: Location[];
+        }
+        interface SetBreakpointReturnType {
+            /**
+             * Id of the created breakpoint for further reference.
+             */
+            breakpointId: BreakpointId;
+            /**
+             * Location this breakpoint resolved into.
+             */
+            actualLocation: Location;
+        }
+        interface GetPossibleBreakpointsReturnType {
+            /**
+             * List of the possible breakpoint locations.
+             */
+            locations: BreakLocation[];
+        }
+        interface GetStackTraceReturnType {
+            stackTrace: Runtime.StackTrace;
+        }
+        interface SearchInContentReturnType {
+            /**
+             * List of search matches.
+             */
+            result: SearchMatch[];
+        }
+        interface SetScriptSourceReturnType {
+            /**
+             * New stack trace in case editing has happened while VM was stopped.
+             */
+            callFrames?: CallFrame[] | undefined;
+            /**
+             * Whether current call stack  was modified after applying the changes.
+             */
+            stackChanged?: boolean | undefined;
+            /**
+             * Async stack trace, if any.
+             */
+            asyncStackTrace?: Runtime.StackTrace | undefined;
+            /**
+             * Async stack trace, if any.
+             * @experimental
+             */
+            asyncStackTraceId?: Runtime.StackTraceId | undefined;
+            /**
+             * Exception details if any.
+             */
+            exceptionDetails?: Runtime.ExceptionDetails | undefined;
+        }
+        interface RestartFrameReturnType {
+            /**
+             * New stack trace.
+             */
+            callFrames: CallFrame[];
+            /**
+             * Async stack trace, if any.
+             */
+            asyncStackTrace?: Runtime.StackTrace | undefined;
+            /**
+             * Async stack trace, if any.
+             * @experimental
+             */
+            asyncStackTraceId?: Runtime.StackTraceId | undefined;
+        }
+        interface GetScriptSourceReturnType {
+            /**
+             * Script source.
+             */
+            scriptSource: string;
+        }
+        interface EvaluateOnCallFrameReturnType {
+            /**
+             * Object wrapper for the evaluation result.
+             */
+            result: Runtime.RemoteObject;
+            /**
+             * Exception details.
+             */
+            exceptionDetails?: Runtime.ExceptionDetails | undefined;
+        }
+        interface ScriptParsedEventDataType {
+            /**
+             * Identifier of the script parsed.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * URL or name of the script parsed (if any).
+             */
+            url: string;
+            /**
+             * Line offset of the script within the resource with given URL (for script tags).
+             */
+            startLine: number;
+            /**
+             * Column offset of the script within the resource with given URL.
+             */
+            startColumn: number;
+            /**
+             * Last line of the script.
+             */
+            endLine: number;
+            /**
+             * Length of the last line of the script.
+             */
+            endColumn: number;
+            /**
+             * Specifies script creation context.
+             */
+            executionContextId: Runtime.ExecutionContextId;
+            /**
+             * Content hash of the script.
+             */
+            hash: string;
+            /**
+             * Embedder-specific auxiliary data.
+             */
+            executionContextAuxData?: {} | undefined;
+            /**
+             * True, if this script is generated as a result of the live edit operation.
+             * @experimental
+             */
+            isLiveEdit?: boolean | undefined;
+            /**
+             * URL of source map associated with script (if any).
+             */
+            sourceMapURL?: string | undefined;
+            /**
+             * True, if this script has sourceURL.
+             */
+            hasSourceURL?: boolean | undefined;
+            /**
+             * True, if this script is ES6 module.
+             */
+            isModule?: boolean | undefined;
+            /**
+             * This script length.
+             */
+            length?: number | undefined;
+            /**
+             * JavaScript top stack frame of where the script parsed event was triggered if available.
+             * @experimental
+             */
+            stackTrace?: Runtime.StackTrace | undefined;
+        }
+        interface ScriptFailedToParseEventDataType {
+            /**
+             * Identifier of the script parsed.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * URL or name of the script parsed (if any).
+             */
+            url: string;
+            /**
+             * Line offset of the script within the resource with given URL (for script tags).
+             */
+            startLine: number;
+            /**
+             * Column offset of the script within the resource with given URL.
+             */
+            startColumn: number;
+            /**
+             * Last line of the script.
+             */
+            endLine: number;
+            /**
+             * Length of the last line of the script.
+             */
+            endColumn: number;
+            /**
+             * Specifies script creation context.
+             */
+            executionContextId: Runtime.ExecutionContextId;
+            /**
+             * Content hash of the script.
+             */
+            hash: string;
+            /**
+             * Embedder-specific auxiliary data.
+             */
+            executionContextAuxData?: {} | undefined;
+            /**
+             * URL of source map associated with script (if any).
+             */
+            sourceMapURL?: string | undefined;
+            /**
+             * True, if this script has sourceURL.
+             */
+            hasSourceURL?: boolean | undefined;
+            /**
+             * True, if this script is ES6 module.
+             */
+            isModule?: boolean | undefined;
+            /**
+             * This script length.
+             */
+            length?: number | undefined;
+            /**
+             * JavaScript top stack frame of where the script parsed event was triggered if available.
+             * @experimental
+             */
+            stackTrace?: Runtime.StackTrace | undefined;
+        }
+        interface BreakpointResolvedEventDataType {
+            /**
+             * Breakpoint unique identifier.
+             */
+            breakpointId: BreakpointId;
+            /**
+             * Actual breakpoint location.
+             */
+            location: Location;
+        }
+        interface PausedEventDataType {
+            /**
+             * Call stack the virtual machine stopped on.
+             */
+            callFrames: CallFrame[];
+            /**
+             * Pause reason.
+             */
+            reason: string;
+            /**
+             * Object containing break-specific auxiliary properties.
+             */
+            data?: {} | undefined;
+            /**
+             * Hit breakpoints IDs
+             */
+            hitBreakpoints?: string[] | undefined;
+            /**
+             * Async stack trace, if any.
+             */
+            asyncStackTrace?: Runtime.StackTrace | undefined;
+            /**
+             * Async stack trace, if any.
+             * @experimental
+             */
+            asyncStackTraceId?: Runtime.StackTraceId | undefined;
+            /**
+             * Just scheduled async call will have this stack trace as parent stack during async execution. This field is available only after <code>Debugger.stepInto</code> call with <code>breakOnAsynCall</code> flag.
+             * @experimental
+             */
+            asyncCallStackTraceId?: Runtime.StackTraceId | undefined;
+        }
+    }
+    namespace Console {
+        /**
+         * Console message.
+         */
+        interface ConsoleMessage {
+            /**
+             * Message source.
+             */
+            source: string;
+            /**
+             * Message severity.
+             */
+            level: string;
+            /**
+             * Message text.
+             */
+            text: string;
+            /**
+             * URL of the message origin.
+             */
+            url?: string | undefined;
+            /**
+             * Line number in the resource that generated this message (1-based).
+             */
+            line?: number | undefined;
+            /**
+             * Column number in the resource that generated this message (1-based).
+             */
+            column?: number | undefined;
+        }
+        interface MessageAddedEventDataType {
+            /**
+             * Console message that has been added.
+             */
+            message: ConsoleMessage;
+        }
+    }
+    namespace Profiler {
+        /**
+         * Profile node. Holds callsite information, execution statistics and child nodes.
+         */
+        interface ProfileNode {
+            /**
+             * Unique id of the node.
+             */
+            id: number;
+            /**
+             * Function location.
+             */
+            callFrame: Runtime.CallFrame;
+            /**
+             * Number of samples where this node was on top of the call stack.
+             */
+            hitCount?: number | undefined;
+            /**
+             * Child node ids.
+             */
+            children?: number[] | undefined;
+            /**
+             * The reason of being not optimized. The function may be deoptimized or marked as don't optimize.
+             */
+            deoptReason?: string | undefined;
+            /**
+             * An array of source position ticks.
+             */
+            positionTicks?: PositionTickInfo[] | undefined;
+        }
+        /**
+         * Profile.
+         */
+        interface Profile {
+            /**
+             * The list of profile nodes. First item is the root node.
+             */
+            nodes: ProfileNode[];
+            /**
+             * Profiling start timestamp in microseconds.
+             */
+            startTime: number;
+            /**
+             * Profiling end timestamp in microseconds.
+             */
+            endTime: number;
+            /**
+             * Ids of samples top nodes.
+             */
+            samples?: number[] | undefined;
+            /**
+             * Time intervals between adjacent samples in microseconds. The first delta is relative to the profile startTime.
+             */
+            timeDeltas?: number[] | undefined;
+        }
+        /**
+         * Specifies a number of samples attributed to a certain source position.
+         */
+        interface PositionTickInfo {
+            /**
+             * Source line number (1-based).
+             */
+            line: number;
+            /**
+             * Number of samples attributed to the source line.
+             */
+            ticks: number;
+        }
+        /**
+         * Coverage data for a source range.
+         */
+        interface CoverageRange {
+            /**
+             * JavaScript script source offset for the range start.
+             */
+            startOffset: number;
+            /**
+             * JavaScript script source offset for the range end.
+             */
+            endOffset: number;
+            /**
+             * Collected execution count of the source range.
+             */
+            count: number;
+        }
+        /**
+         * Coverage data for a JavaScript function.
+         */
+        interface FunctionCoverage {
+            /**
+             * JavaScript function name.
+             */
+            functionName: string;
+            /**
+             * Source ranges inside the function with coverage data.
+             */
+            ranges: CoverageRange[];
+            /**
+             * Whether coverage data for this function has block granularity.
+             */
+            isBlockCoverage: boolean;
+        }
+        /**
+         * Coverage data for a JavaScript script.
+         */
+        interface ScriptCoverage {
+            /**
+             * JavaScript script id.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * JavaScript script name or url.
+             */
+            url: string;
+            /**
+             * Functions contained in the script that has coverage data.
+             */
+            functions: FunctionCoverage[];
+        }
+        /**
+         * Describes a type collected during runtime.
+         * @experimental
+         */
+        interface TypeObject {
+            /**
+             * Name of a type collected with type profiling.
+             */
+            name: string;
+        }
+        /**
+         * Source offset and types for a parameter or return value.
+         * @experimental
+         */
+        interface TypeProfileEntry {
+            /**
+             * Source offset of the parameter or end of function for return values.
+             */
+            offset: number;
+            /**
+             * The types for this parameter or return value.
+             */
+            types: TypeObject[];
+        }
+        /**
+         * Type profile data collected during runtime for a JavaScript script.
+         * @experimental
+         */
+        interface ScriptTypeProfile {
+            /**
+             * JavaScript script id.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * JavaScript script name or url.
+             */
+            url: string;
+            /**
+             * Type profile entries for parameters and return values of the functions in the script.
+             */
+            entries: TypeProfileEntry[];
+        }
+        interface SetSamplingIntervalParameterType {
+            /**
+             * New sampling interval in microseconds.
+             */
+            interval: number;
+        }
+        interface StartPreciseCoverageParameterType {
+            /**
+             * Collect accurate call counts beyond simple 'covered' or 'not covered'.
+             */
+            callCount?: boolean | undefined;
+            /**
+             * Collect block-based coverage.
+             */
+            detailed?: boolean | undefined;
+        }
+        interface StopReturnType {
+            /**
+             * Recorded profile.
+             */
+            profile: Profile;
+        }
+        interface TakePreciseCoverageReturnType {
+            /**
+             * Coverage data for the current isolate.
+             */
+            result: ScriptCoverage[];
+        }
+        interface GetBestEffortCoverageReturnType {
+            /**
+             * Coverage data for the current isolate.
+             */
+            result: ScriptCoverage[];
+        }
+        interface TakeTypeProfileReturnType {
+            /**
+             * Type profile for all scripts since startTypeProfile() was turned on.
+             */
+            result: ScriptTypeProfile[];
+        }
+        interface ConsoleProfileStartedEventDataType {
+            id: string;
+            /**
+             * Location of console.profile().
+             */
+            location: Debugger.Location;
+            /**
+             * Profile title passed as an argument to console.profile().
+             */
+            title?: string | undefined;
+        }
+        interface ConsoleProfileFinishedEventDataType {
+            id: string;
+            /**
+             * Location of console.profileEnd().
+             */
+            location: Debugger.Location;
+            profile: Profile;
+            /**
+             * Profile title passed as an argument to console.profile().
+             */
+            title?: string | undefined;
+        }
+    }
+    namespace HeapProfiler {
+        /**
+         * Heap snapshot object id.
+         */
+        type HeapSnapshotObjectId = string;
+        /**
+         * Sampling Heap Profile node. Holds callsite information, allocation statistics and child nodes.
+         */
+        interface SamplingHeapProfileNode {
+            /**
+             * Function location.
+             */
+            callFrame: Runtime.CallFrame;
+            /**
+             * Allocations size in bytes for the node excluding children.
+             */
+            selfSize: number;
+            /**
+             * Child nodes.
+             */
+            children: SamplingHeapProfileNode[];
+        }
+        /**
+         * Profile.
+         */
+        interface SamplingHeapProfile {
+            head: SamplingHeapProfileNode;
+        }
+        interface StartTrackingHeapObjectsParameterType {
+            trackAllocations?: boolean | undefined;
+        }
+        interface StopTrackingHeapObjectsParameterType {
+            /**
+             * If true 'reportHeapSnapshotProgress' events will be generated while snapshot is being taken when the tracking is stopped.
+             */
+            reportProgress?: boolean | undefined;
+        }
+        interface TakeHeapSnapshotParameterType {
+            /**
+             * If true 'reportHeapSnapshotProgress' events will be generated while snapshot is being taken.
+             */
+            reportProgress?: boolean | undefined;
+        }
+        interface GetObjectByHeapObjectIdParameterType {
+            objectId: HeapSnapshotObjectId;
+            /**
+             * Symbolic group name that can be used to release multiple objects.
+             */
+            objectGroup?: string | undefined;
+        }
+        interface AddInspectedHeapObjectParameterType {
+            /**
+             * Heap snapshot object id to be accessible by means of $x command line API.
+             */
+            heapObjectId: HeapSnapshotObjectId;
+        }
+        interface GetHeapObjectIdParameterType {
+            /**
+             * Identifier of the object to get heap object id for.
+             */
+            objectId: Runtime.RemoteObjectId;
+        }
+        interface StartSamplingParameterType {
+            /**
+             * Average sample interval in bytes. Poisson distribution is used for the intervals. The default value is 32768 bytes.
+             */
+            samplingInterval?: number | undefined;
+        }
+        interface GetObjectByHeapObjectIdReturnType {
+            /**
+             * Evaluation result.
+             */
+            result: Runtime.RemoteObject;
+        }
+        interface GetHeapObjectIdReturnType {
+            /**
+             * Id of the heap snapshot object corresponding to the passed remote object id.
+             */
+            heapSnapshotObjectId: HeapSnapshotObjectId;
+        }
+        interface StopSamplingReturnType {
+            /**
+             * Recorded sampling heap profile.
+             */
+            profile: SamplingHeapProfile;
+        }
+        interface GetSamplingProfileReturnType {
+            /**
+             * Return the sampling profile being collected.
+             */
+            profile: SamplingHeapProfile;
+        }
+        interface AddHeapSnapshotChunkEventDataType {
+            chunk: string;
+        }
+        interface ReportHeapSnapshotProgressEventDataType {
+            done: number;
+            total: number;
+            finished?: boolean | undefined;
+        }
+        interface LastSeenObjectIdEventDataType {
+            lastSeenObjectId: number;
+            timestamp: number;
+        }
+        interface HeapStatsUpdateEventDataType {
+            /**
+             * An array of triplets. Each triplet describes a fragment. The first integer is the fragment index, the second integer is a total count of objects for the fragment, the third integer is a total size of the objects for the fragment.
+             */
+            statsUpdate: number[];
+        }
+    }
+    namespace NodeTracing {
+        interface TraceConfig {
+            /**
+             * Controls how the trace buffer stores data.
+             */
+            recordMode?: string | undefined;
+            /**
+             * Included category filters.
+             */
+            includedCategories: string[];
+        }
+        interface StartParameterType {
+            traceConfig: TraceConfig;
+        }
+        interface GetCategoriesReturnType {
+            /**
+             * A list of supported tracing categories.
+             */
+            categories: string[];
+        }
+        interface DataCollectedEventDataType {
+            value: Array<{}>;
+        }
+    }
+    namespace NodeWorker {
+        type WorkerID = string;
+        /**
+         * Unique identifier of attached debugging session.
+         */
+        type SessionID = string;
+        interface WorkerInfo {
+            workerId: WorkerID;
+            type: string;
+            title: string;
+            url: string;
+        }
+        interface SendMessageToWorkerParameterType {
+            message: string;
+            /**
+             * Identifier of the session.
+             */
+            sessionId: SessionID;
+        }
+        interface EnableParameterType {
+            /**
+             * Whether to new workers should be paused until the frontend sends `Runtime.runIfWaitingForDebugger`
+             * message to run them.
+             */
+            waitForDebuggerOnStart: boolean;
+        }
+        interface DetachParameterType {
+            sessionId: SessionID;
+        }
+        interface AttachedToWorkerEventDataType {
+            /**
+             * Identifier assigned to the session used to send/receive messages.
+             */
+            sessionId: SessionID;
+            workerInfo: WorkerInfo;
+            waitingForDebugger: boolean;
+        }
+        interface DetachedFromWorkerEventDataType {
+            /**
+             * Detached session identifier.
+             */
+            sessionId: SessionID;
+        }
+        interface ReceivedMessageFromWorkerEventDataType {
+            /**
+             * Identifier of a session which sends a message.
+             */
+            sessionId: SessionID;
+            message: string;
+        }
+    }
+    namespace NodeRuntime {
+        interface NotifyWhenWaitingForDisconnectParameterType {
+            enabled: boolean;
+        }
+    }
+    /**
+     * The `inspector.Session` is used for dispatching messages to the V8 inspector
+     * back-end and receiving message responses and notifications.
+     */
+    class Session extends EventEmitter {
+        /**
+         * Create a new instance of the inspector.Session class.
+         * The inspector session needs to be connected through session.connect() before the messages can be dispatched to the inspector backend.
+         */
+        constructor();
+        /**
+         * Connects a session to the inspector back-end.
+         * @since v8.0.0
+         */
+        connect(): void;
+        /**
+         * Immediately close the session. All pending message callbacks will be called
+         * with an error. `session.connect()` will need to be called to be able to send
+         * messages again. Reconnected session will lose all inspector state, such as
+         * enabled agents or configured breakpoints.
+         * @since v8.0.0
+         */
+        disconnect(): void;
+        /**
+         * Posts a message to the inspector back-end. `callback` will be notified when
+         * a response is received. `callback` is a function that accepts two optional
+         * arguments: error and message-specific result.
+         *
+         * ```js
+         * session.post('Runtime.evaluate', { expression: '2 + 2' },
+         *              (error, { result }) => console.log(result));
+         * // Output: { type: 'number', value: 4, description: '4' }
+         * ```
+         *
+         * The latest version of the V8 inspector protocol is published on the [Chrome DevTools Protocol Viewer](https://chromedevtools.github.io/devtools-protocol/v8/).
+         *
+         * Node.js inspector supports all the Chrome DevTools Protocol domains declared
+         * by V8\. Chrome DevTools Protocol domain provides an interface for interacting
+         * with one of the runtime agents used to inspect the application state and listen
+         * to the run-time events.
+         *
+         * ## Example usage
+         *
+         * Apart from the debugger, various V8 Profilers are available through the DevTools
+         * protocol.
+         * @since v8.0.0
+         */
+        post(method: string, params?: {}, callback?: (err: Error | null, params?: {}) => void): void;
+        post(method: string, callback?: (err: Error | null, params?: {}) => void): void;
+        /**
+         * Returns supported domains.
+         */
+        post(method: 'Schema.getDomains', callback?: (err: Error | null, params: Schema.GetDomainsReturnType) => void): void;
+        /**
+         * Evaluates expression on global object.
+         */
+        post(method: 'Runtime.evaluate', params?: Runtime.EvaluateParameterType, callback?: (err: Error | null, params: Runtime.EvaluateReturnType) => void): void;
+        post(method: 'Runtime.evaluate', callback?: (err: Error | null, params: Runtime.EvaluateReturnType) => void): void;
+        /**
+         * Add handler to promise with given promise object id.
+         */
+        post(method: 'Runtime.awaitPromise', params?: Runtime.AwaitPromiseParameterType, callback?: (err: Error | null, params: Runtime.AwaitPromiseReturnType) => void): void;
+        post(method: 'Runtime.awaitPromise', callback?: (err: Error | null, params: Runtime.AwaitPromiseReturnType) => void): void;
+        /**
+         * Calls function with given declaration on the given object. Object group of the result is inherited from the target object.
+         */
+        post(method: 'Runtime.callFunctionOn', params?: Runtime.CallFunctionOnParameterType, callback?: (err: Error | null, params: Runtime.CallFunctionOnReturnType) => void): void;
+        post(method: 'Runtime.callFunctionOn', callback?: (err: Error | null, params: Runtime.CallFunctionOnReturnType) => void): void;
+        /**
+         * Returns properties of a given object. Object group of the result is inherited from the target object.
+         */
+        post(method: 'Runtime.getProperties', params?: Runtime.GetPropertiesParameterType, callback?: (err: Error | null, params: Runtime.GetPropertiesReturnType) => void): void;
+        post(method: 'Runtime.getProperties', callback?: (err: Error | null, params: Runtime.GetPropertiesReturnType) => void): void;
+        /**
+         * Releases remote object with given id.
+         */
+        post(method: 'Runtime.releaseObject', params?: Runtime.ReleaseObjectParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Runtime.releaseObject', callback?: (err: Error | null) => void): void;
+        /**
+         * Releases all remote objects that belong to a given group.
+         */
+        post(method: 'Runtime.releaseObjectGroup', params?: Runtime.ReleaseObjectGroupParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Runtime.releaseObjectGroup', callback?: (err: Error | null) => void): void;
+        /**
+         * Tells inspected instance to run if it was waiting for debugger to attach.
+         */
+        post(method: 'Runtime.runIfWaitingForDebugger', callback?: (err: Error | null) => void): void;
+        /**
+         * Enables reporting of execution contexts creation by means of <code>executionContextCreated</code> event. When the reporting gets enabled the event will be sent immediately for each existing execution context.
+         */
+        post(method: 'Runtime.enable', callback?: (err: Error | null) => void): void;
+        /**
+         * Disables reporting of execution contexts creation.
+         */
+        post(method: 'Runtime.disable', callback?: (err: Error | null) => void): void;
+        /**
+         * Discards collected exceptions and console API calls.
+         */
+        post(method: 'Runtime.discardConsoleEntries', callback?: (err: Error | null) => void): void;
+        /**
+         * @experimental
+         */
+        post(method: 'Runtime.setCustomObjectFormatterEnabled', params?: Runtime.SetCustomObjectFormatterEnabledParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Runtime.setCustomObjectFormatterEnabled', callback?: (err: Error | null) => void): void;
+        /**
+         * Compiles expression.
+         */
+        post(method: 'Runtime.compileScript', params?: Runtime.CompileScriptParameterType, callback?: (err: Error | null, params: Runtime.CompileScriptReturnType) => void): void;
+        post(method: 'Runtime.compileScript', callback?: (err: Error | null, params: Runtime.CompileScriptReturnType) => void): void;
+        /**
+         * Runs script with given id in a given context.
+         */
+        post(method: 'Runtime.runScript', params?: Runtime.RunScriptParameterType, callback?: (err: Error | null, params: Runtime.RunScriptReturnType) => void): void;
+        post(method: 'Runtime.runScript', callback?: (err: Error | null, params: Runtime.RunScriptReturnType) => void): void;
+        post(method: 'Runtime.queryObjects', params?: Runtime.QueryObjectsParameterType, callback?: (err: Error | null, params: Runtime.QueryObjectsReturnType) => void): void;
+        post(method: 'Runtime.queryObjects', callback?: (err: Error | null, params: Runtime.QueryObjectsReturnType) => void): void;
+        /**
+         * Returns all let, const and class variables from global scope.
+         */
+        post(
+            method: 'Runtime.globalLexicalScopeNames',
+            params?: Runtime.GlobalLexicalScopeNamesParameterType,
+            callback?: (err: Error | null, params: Runtime.GlobalLexicalScopeNamesReturnType) => void
+        ): void;
+        post(method: 'Runtime.globalLexicalScopeNames', callback?: (err: Error | null, params: Runtime.GlobalLexicalScopeNamesReturnType) => void): void;
+        /**
+         * Enables debugger for the given page. Clients should not assume that the debugging has been enabled until the result for this command is received.
+         */
+        post(method: 'Debugger.enable', callback?: (err: Error | null, params: Debugger.EnableReturnType) => void): void;
+        /**
+         * Disables debugger for given page.
+         */
+        post(method: 'Debugger.disable', callback?: (err: Error | null) => void): void;
+        /**
+         * Activates / deactivates all breakpoints on the page.
+         */
+        post(method: 'Debugger.setBreakpointsActive', params?: Debugger.SetBreakpointsActiveParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setBreakpointsActive', callback?: (err: Error | null) => void): void;
+        /**
+         * Makes page not interrupt on any pauses (breakpoint, exception, dom exception etc).
+         */
+        post(method: 'Debugger.setSkipAllPauses', params?: Debugger.SetSkipAllPausesParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setSkipAllPauses', callback?: (err: Error | null) => void): void;
+        /**
+         * Sets JavaScript breakpoint at given location specified either by URL or URL regex. Once this command is issued, all existing parsed scripts will have breakpoints resolved and returned in <code>locations</code> property. Further matching script parsing will result in subsequent <code>breakpointResolved</code> events issued. This logical breakpoint will survive page reloads.
+         */
+        post(method: 'Debugger.setBreakpointByUrl', params?: Debugger.SetBreakpointByUrlParameterType, callback?: (err: Error | null, params: Debugger.SetBreakpointByUrlReturnType) => void): void;
+        post(method: 'Debugger.setBreakpointByUrl', callback?: (err: Error | null, params: Debugger.SetBreakpointByUrlReturnType) => void): void;
+        /**
+         * Sets JavaScript breakpoint at a given location.
+         */
+        post(method: 'Debugger.setBreakpoint', params?: Debugger.SetBreakpointParameterType, callback?: (err: Error | null, params: Debugger.SetBreakpointReturnType) => void): void;
+        post(method: 'Debugger.setBreakpoint', callback?: (err: Error | null, params: Debugger.SetBreakpointReturnType) => void): void;
+        /**
+         * Removes JavaScript breakpoint.
+         */
+        post(method: 'Debugger.removeBreakpoint', params?: Debugger.RemoveBreakpointParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.removeBreakpoint', callback?: (err: Error | null) => void): void;
+        /**
+         * Returns possible locations for breakpoint. scriptId in start and end range locations should be the same.
+         */
+        post(
+            method: 'Debugger.getPossibleBreakpoints',
+            params?: Debugger.GetPossibleBreakpointsParameterType,
+            callback?: (err: Error | null, params: Debugger.GetPossibleBreakpointsReturnType) => void
+        ): void;
+        post(method: 'Debugger.getPossibleBreakpoints', callback?: (err: Error | null, params: Debugger.GetPossibleBreakpointsReturnType) => void): void;
+        /**
+         * Continues execution until specific location is reached.
+         */
+        post(method: 'Debugger.continueToLocation', params?: Debugger.ContinueToLocationParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.continueToLocation', callback?: (err: Error | null) => void): void;
+        /**
+         * @experimental
+         */
+        post(method: 'Debugger.pauseOnAsyncCall', params?: Debugger.PauseOnAsyncCallParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.pauseOnAsyncCall', callback?: (err: Error | null) => void): void;
+        /**
+         * Steps over the statement.
+         */
+        post(method: 'Debugger.stepOver', callback?: (err: Error | null) => void): void;
+        /**
+         * Steps into the function call.
+         */
+        post(method: 'Debugger.stepInto', params?: Debugger.StepIntoParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.stepInto', callback?: (err: Error | null) => void): void;
+        /**
+         * Steps out of the function call.
+         */
+        post(method: 'Debugger.stepOut', callback?: (err: Error | null) => void): void;
+        /**
+         * Stops on the next JavaScript statement.
+         */
+        post(method: 'Debugger.pause', callback?: (err: Error | null) => void): void;
+        /**
+         * This method is deprecated - use Debugger.stepInto with breakOnAsyncCall and Debugger.pauseOnAsyncTask instead. Steps into next scheduled async task if any is scheduled before next pause. Returns success when async task is actually scheduled, returns error if no task were scheduled or another scheduleStepIntoAsync was called.
+         * @experimental
+         */
+        post(method: 'Debugger.scheduleStepIntoAsync', callback?: (err: Error | null) => void): void;
+        /**
+         * Resumes JavaScript execution.
+         */
+        post(method: 'Debugger.resume', callback?: (err: Error | null) => void): void;
+        /**
+         * Returns stack trace with given <code>stackTraceId</code>.
+         * @experimental
+         */
+        post(method: 'Debugger.getStackTrace', params?: Debugger.GetStackTraceParameterType, callback?: (err: Error | null, params: Debugger.GetStackTraceReturnType) => void): void;
+        post(method: 'Debugger.getStackTrace', callback?: (err: Error | null, params: Debugger.GetStackTraceReturnType) => void): void;
+        /**
+         * Searches for given string in script content.
+         */
+        post(method: 'Debugger.searchInContent', params?: Debugger.SearchInContentParameterType, callback?: (err: Error | null, params: Debugger.SearchInContentReturnType) => void): void;
+        post(method: 'Debugger.searchInContent', callback?: (err: Error | null, params: Debugger.SearchInContentReturnType) => void): void;
+        /**
+         * Edits JavaScript source live.
+         */
+        post(method: 'Debugger.setScriptSource', params?: Debugger.SetScriptSourceParameterType, callback?: (err: Error | null, params: Debugger.SetScriptSourceReturnType) => void): void;
+        post(method: 'Debugger.setScriptSource', callback?: (err: Error | null, params: Debugger.SetScriptSourceReturnType) => void): void;
+        /**
+         * Restarts particular call frame from the beginning.
+         */
+        post(method: 'Debugger.restartFrame', params?: Debugger.RestartFrameParameterType, callback?: (err: Error | null, params: Debugger.RestartFrameReturnType) => void): void;
+        post(method: 'Debugger.restartFrame', callback?: (err: Error | null, params: Debugger.RestartFrameReturnType) => void): void;
+        /**
+         * Returns source for the script with given id.
+         */
+        post(method: 'Debugger.getScriptSource', params?: Debugger.GetScriptSourceParameterType, callback?: (err: Error | null, params: Debugger.GetScriptSourceReturnType) => void): void;
+        post(method: 'Debugger.getScriptSource', callback?: (err: Error | null, params: Debugger.GetScriptSourceReturnType) => void): void;
+        /**
+         * Defines pause on exceptions state. Can be set to stop on all exceptions, uncaught exceptions or no exceptions. Initial pause on exceptions state is <code>none</code>.
+         */
+        post(method: 'Debugger.setPauseOnExceptions', params?: Debugger.SetPauseOnExceptionsParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setPauseOnExceptions', callback?: (err: Error | null) => void): void;
+        /**
+         * Evaluates expression on a given call frame.
+         */
+        post(method: 'Debugger.evaluateOnCallFrame', params?: Debugger.EvaluateOnCallFrameParameterType, callback?: (err: Error | null, params: Debugger.EvaluateOnCallFrameReturnType) => void): void;
+        post(method: 'Debugger.evaluateOnCallFrame', callback?: (err: Error | null, params: Debugger.EvaluateOnCallFrameReturnType) => void): void;
+        /**
+         * Changes value of variable in a callframe. Object-based scopes are not supported and must be mutated manually.
+         */
+        post(method: 'Debugger.setVariableValue', params?: Debugger.SetVariableValueParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setVariableValue', callback?: (err: Error | null) => void): void;
+        /**
+         * Changes return value in top frame. Available only at return break position.
+         * @experimental
+         */
+        post(method: 'Debugger.setReturnValue', params?: Debugger.SetReturnValueParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setReturnValue', callback?: (err: Error | null) => void): void;
+        /**
+         * Enables or disables async call stacks tracking.
+         */
+        post(method: 'Debugger.setAsyncCallStackDepth', params?: Debugger.SetAsyncCallStackDepthParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setAsyncCallStackDepth', callback?: (err: Error | null) => void): void;
+        /**
+         * Replace previous blackbox patterns with passed ones. Forces backend to skip stepping/pausing in scripts with url matching one of the patterns. VM will try to leave blackboxed script by performing 'step in' several times, finally resorting to 'step out' if unsuccessful.
+         * @experimental
+         */
+        post(method: 'Debugger.setBlackboxPatterns', params?: Debugger.SetBlackboxPatternsParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setBlackboxPatterns', callback?: (err: Error | null) => void): void;
+        /**
+         * Makes backend skip steps in the script in blackboxed ranges. VM will try leave blacklisted scripts by performing 'step in' several times, finally resorting to 'step out' if unsuccessful. Positions array contains positions where blackbox state is changed. First interval isn't blackboxed. Array should be sorted.
+         * @experimental
+         */
+        post(method: 'Debugger.setBlackboxedRanges', params?: Debugger.SetBlackboxedRangesParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setBlackboxedRanges', callback?: (err: Error | null) => void): void;
+        /**
+         * Enables console domain, sends the messages collected so far to the client by means of the <code>messageAdded</code> notification.
+         */
+        post(method: 'Console.enable', callback?: (err: Error | null) => void): void;
+        /**
+         * Disables console domain, prevents further console messages from being reported to the client.
+         */
+        post(method: 'Console.disable', callback?: (err: Error | null) => void): void;
+        /**
+         * Does nothing.
+         */
+        post(method: 'Console.clearMessages', callback?: (err: Error | null) => void): void;
+        post(method: 'Profiler.enable', callback?: (err: Error | null) => void): void;
+        post(method: 'Profiler.disable', callback?: (err: Error | null) => void): void;
+        /**
+         * Changes CPU profiler sampling interval. Must be called before CPU profiles recording started.
+         */
+        post(method: 'Profiler.setSamplingInterval', params?: Profiler.SetSamplingIntervalParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Profiler.setSamplingInterval', callback?: (err: Error | null) => void): void;
+        post(method: 'Profiler.start', callback?: (err: Error | null) => void): void;
+        post(method: 'Profiler.stop', callback?: (err: Error | null, params: Profiler.StopReturnType) => void): void;
+        /**
+         * Enable precise code coverage. Coverage data for JavaScript executed before enabling precise code coverage may be incomplete. Enabling prevents running optimized code and resets execution counters.
+         */
+        post(method: 'Profiler.startPreciseCoverage', params?: Profiler.StartPreciseCoverageParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Profiler.startPreciseCoverage', callback?: (err: Error | null) => void): void;
+        /**
+         * Disable precise code coverage. Disabling releases unnecessary execution count records and allows executing optimized code.
+         */
+        post(method: 'Profiler.stopPreciseCoverage', callback?: (err: Error | null) => void): void;
+        /**
+         * Collect coverage data for the current isolate, and resets execution counters. Precise code coverage needs to have started.
+         */
+        post(method: 'Profiler.takePreciseCoverage', callback?: (err: Error | null, params: Profiler.TakePreciseCoverageReturnType) => void): void;
+        /**
+         * Collect coverage data for the current isolate. The coverage data may be incomplete due to garbage collection.
+         */
+        post(method: 'Profiler.getBestEffortCoverage', callback?: (err: Error | null, params: Profiler.GetBestEffortCoverageReturnType) => void): void;
+        /**
+         * Enable type profile.
+         * @experimental
+         */
+        post(method: 'Profiler.startTypeProfile', callback?: (err: Error | null) => void): void;
+        /**
+         * Disable type profile. Disabling releases type profile data collected so far.
+         * @experimental
+         */
+        post(method: 'Profiler.stopTypeProfile', callback?: (err: Error | null) => void): void;
+        /**
+         * Collect type profile.
+         * @experimental
+         */
+        post(method: 'Profiler.takeTypeProfile', callback?: (err: Error | null, params: Profiler.TakeTypeProfileReturnType) => void): void;
+        post(method: 'HeapProfiler.enable', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.disable', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.startTrackingHeapObjects', params?: HeapProfiler.StartTrackingHeapObjectsParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.startTrackingHeapObjects', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.stopTrackingHeapObjects', params?: HeapProfiler.StopTrackingHeapObjectsParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.stopTrackingHeapObjects', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.takeHeapSnapshot', params?: HeapProfiler.TakeHeapSnapshotParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.takeHeapSnapshot', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.collectGarbage', callback?: (err: Error | null) => void): void;
+        post(
+            method: 'HeapProfiler.getObjectByHeapObjectId',
+            params?: HeapProfiler.GetObjectByHeapObjectIdParameterType,
+            callback?: (err: Error | null, params: HeapProfiler.GetObjectByHeapObjectIdReturnType) => void
+        ): void;
+        post(method: 'HeapProfiler.getObjectByHeapObjectId', callback?: (err: Error | null, params: HeapProfiler.GetObjectByHeapObjectIdReturnType) => void): void;
+        /**
+         * Enables console to refer to the node with given id via $x (see Command Line API for more details $x functions).
+         */
+        post(method: 'HeapProfiler.addInspectedHeapObject', params?: HeapProfiler.AddInspectedHeapObjectParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.addInspectedHeapObject', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.getHeapObjectId', params?: HeapProfiler.GetHeapObjectIdParameterType, callback?: (err: Error | null, params: HeapProfiler.GetHeapObjectIdReturnType) => void): void;
+        post(method: 'HeapProfiler.getHeapObjectId', callback?: (err: Error | null, params: HeapProfiler.GetHeapObjectIdReturnType) => void): void;
+        post(method: 'HeapProfiler.startSampling', params?: HeapProfiler.StartSamplingParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.startSampling', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.stopSampling', callback?: (err: Error | null, params: HeapProfiler.StopSamplingReturnType) => void): void;
+        post(method: 'HeapProfiler.getSamplingProfile', callback?: (err: Error | null, params: HeapProfiler.GetSamplingProfileReturnType) => void): void;
+        /**
+         * Gets supported tracing categories.
+         */
+        post(method: 'NodeTracing.getCategories', callback?: (err: Error | null, params: NodeTracing.GetCategoriesReturnType) => void): void;
+        /**
+         * Start trace events collection.
+         */
+        post(method: 'NodeTracing.start', params?: NodeTracing.StartParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'NodeTracing.start', callback?: (err: Error | null) => void): void;
+        /**
+         * Stop trace events collection. Remaining collected events will be sent as a sequence of
+         * dataCollected events followed by tracingComplete event.
+         */
+        post(method: 'NodeTracing.stop', callback?: (err: Error | null) => void): void;
+        /**
+         * Sends protocol message over session with given id.
+         */
+        post(method: 'NodeWorker.sendMessageToWorker', params?: NodeWorker.SendMessageToWorkerParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'NodeWorker.sendMessageToWorker', callback?: (err: Error | null) => void): void;
+        /**
+         * Instructs the inspector to attach to running workers. Will also attach to new workers
+         * as they start
+         */
+        post(method: 'NodeWorker.enable', params?: NodeWorker.EnableParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'NodeWorker.enable', callback?: (err: Error | null) => void): void;
+        /**
+         * Detaches from all running workers and disables attaching to new workers as they are started.
+         */
+        post(method: 'NodeWorker.disable', callback?: (err: Error | null) => void): void;
+        /**
+         * Detached from the worker with given sessionId.
+         */
+        post(method: 'NodeWorker.detach', params?: NodeWorker.DetachParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'NodeWorker.detach', callback?: (err: Error | null) => void): void;
+        /**
+         * Enable the `NodeRuntime.waitingForDisconnect`.
+         */
+        post(method: 'NodeRuntime.notifyWhenWaitingForDisconnect', params?: NodeRuntime.NotifyWhenWaitingForDisconnectParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'NodeRuntime.notifyWhenWaitingForDisconnect', callback?: (err: Error | null) => void): void;
+        // Events
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        /**
+         * Emitted when any notification from the V8 Inspector is received.
+         */
+        addListener(event: 'inspectorNotification', listener: (message: InspectorNotification<{}>) => void): this;
+        /**
+         * Issued when new execution context is created.
+         */
+        addListener(event: 'Runtime.executionContextCreated', listener: (message: InspectorNotification<Runtime.ExecutionContextCreatedEventDataType>) => void): this;
+        /**
+         * Issued when execution context is destroyed.
+         */
+        addListener(event: 'Runtime.executionContextDestroyed', listener: (message: InspectorNotification<Runtime.ExecutionContextDestroyedEventDataType>) => void): this;
+        /**
+         * Issued when all executionContexts were cleared in browser
+         */
+        addListener(event: 'Runtime.executionContextsCleared', listener: () => void): this;
+        /**
+         * Issued when exception was thrown and unhandled.
+         */
+        addListener(event: 'Runtime.exceptionThrown', listener: (message: InspectorNotification<Runtime.ExceptionThrownEventDataType>) => void): this;
+        /**
+         * Issued when unhandled exception was revoked.
+         */
+        addListener(event: 'Runtime.exceptionRevoked', listener: (message: InspectorNotification<Runtime.ExceptionRevokedEventDataType>) => void): this;
+        /**
+         * Issued when console API was called.
+         */
+        addListener(event: 'Runtime.consoleAPICalled', listener: (message: InspectorNotification<Runtime.ConsoleAPICalledEventDataType>) => void): this;
+        /**
+         * Issued when object should be inspected (for example, as a result of inspect() command line API call).
+         */
+        addListener(event: 'Runtime.inspectRequested', listener: (message: InspectorNotification<Runtime.InspectRequestedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine parses script. This event is also fired for all known and uncollected scripts upon enabling debugger.
+         */
+        addListener(event: 'Debugger.scriptParsed', listener: (message: InspectorNotification<Debugger.ScriptParsedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine fails to parse the script.
+         */
+        addListener(event: 'Debugger.scriptFailedToParse', listener: (message: InspectorNotification<Debugger.ScriptFailedToParseEventDataType>) => void): this;
+        /**
+         * Fired when breakpoint is resolved to an actual script and location.
+         */
+        addListener(event: 'Debugger.breakpointResolved', listener: (message: InspectorNotification<Debugger.BreakpointResolvedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.
+         */
+        addListener(event: 'Debugger.paused', listener: (message: InspectorNotification<Debugger.PausedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine resumed execution.
+         */
+        addListener(event: 'Debugger.resumed', listener: () => void): this;
+        /**
+         * Issued when new console message is added.
+         */
+        addListener(event: 'Console.messageAdded', listener: (message: InspectorNotification<Console.MessageAddedEventDataType>) => void): this;
+        /**
+         * Sent when new profile recording is started using console.profile() call.
+         */
+        addListener(event: 'Profiler.consoleProfileStarted', listener: (message: InspectorNotification<Profiler.ConsoleProfileStartedEventDataType>) => void): this;
+        addListener(event: 'Profiler.consoleProfileFinished', listener: (message: InspectorNotification<Profiler.ConsoleProfileFinishedEventDataType>) => void): this;
+        addListener(event: 'HeapProfiler.addHeapSnapshotChunk', listener: (message: InspectorNotification<HeapProfiler.AddHeapSnapshotChunkEventDataType>) => void): this;
+        addListener(event: 'HeapProfiler.resetProfiles', listener: () => void): this;
+        addListener(event: 'HeapProfiler.reportHeapSnapshotProgress', listener: (message: InspectorNotification<HeapProfiler.ReportHeapSnapshotProgressEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend regularly sends a current value for last seen object id and corresponding timestamp. If the were changes in the heap since last event then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.
+         */
+        addListener(event: 'HeapProfiler.lastSeenObjectId', listener: (message: InspectorNotification<HeapProfiler.LastSeenObjectIdEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend may send update for one or more fragments
+         */
+        addListener(event: 'HeapProfiler.heapStatsUpdate', listener: (message: InspectorNotification<HeapProfiler.HeapStatsUpdateEventDataType>) => void): this;
+        /**
+         * Contains an bucket of collected trace events.
+         */
+        addListener(event: 'NodeTracing.dataCollected', listener: (message: InspectorNotification<NodeTracing.DataCollectedEventDataType>) => void): this;
+        /**
+         * Signals that tracing is stopped and there is no trace buffers pending flush, all data were
+         * delivered via dataCollected events.
+         */
+        addListener(event: 'NodeTracing.tracingComplete', listener: () => void): this;
+        /**
+         * Issued when attached to a worker.
+         */
+        addListener(event: 'NodeWorker.attachedToWorker', listener: (message: InspectorNotification<NodeWorker.AttachedToWorkerEventDataType>) => void): this;
+        /**
+         * Issued when detached from the worker.
+         */
+        addListener(event: 'NodeWorker.detachedFromWorker', listener: (message: InspectorNotification<NodeWorker.DetachedFromWorkerEventDataType>) => void): this;
+        /**
+         * Notifies about a new protocol message received from the session
+         * (session ID is provided in attachedToWorker notification).
+         */
+        addListener(event: 'NodeWorker.receivedMessageFromWorker', listener: (message: InspectorNotification<NodeWorker.ReceivedMessageFromWorkerEventDataType>) => void): this;
+        /**
+         * This event is fired instead of `Runtime.executionContextDestroyed` when
+         * enabled.
+         * It is fired when the Node process finished all code execution and is
+         * waiting for all frontends to disconnect.
+         */
+        addListener(event: 'NodeRuntime.waitingForDisconnect', listener: () => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'inspectorNotification', message: InspectorNotification<{}>): boolean;
+        emit(event: 'Runtime.executionContextCreated', message: InspectorNotification<Runtime.ExecutionContextCreatedEventDataType>): boolean;
+        emit(event: 'Runtime.executionContextDestroyed', message: InspectorNotification<Runtime.ExecutionContextDestroyedEventDataType>): boolean;
+        emit(event: 'Runtime.executionContextsCleared'): boolean;
+        emit(event: 'Runtime.exceptionThrown', message: InspectorNotification<Runtime.ExceptionThrownEventDataType>): boolean;
+        emit(event: 'Runtime.exceptionRevoked', message: InspectorNotification<Runtime.ExceptionRevokedEventDataType>): boolean;
+        emit(event: 'Runtime.consoleAPICalled', message: InspectorNotification<Runtime.ConsoleAPICalledEventDataType>): boolean;
+        emit(event: 'Runtime.inspectRequested', message: InspectorNotification<Runtime.InspectRequestedEventDataType>): boolean;
+        emit(event: 'Debugger.scriptParsed', message: InspectorNotification<Debugger.ScriptParsedEventDataType>): boolean;
+        emit(event: 'Debugger.scriptFailedToParse', message: InspectorNotification<Debugger.ScriptFailedToParseEventDataType>): boolean;
+        emit(event: 'Debugger.breakpointResolved', message: InspectorNotification<Debugger.BreakpointResolvedEventDataType>): boolean;
+        emit(event: 'Debugger.paused', message: InspectorNotification<Debugger.PausedEventDataType>): boolean;
+        emit(event: 'Debugger.resumed'): boolean;
+        emit(event: 'Console.messageAdded', message: InspectorNotification<Console.MessageAddedEventDataType>): boolean;
+        emit(event: 'Profiler.consoleProfileStarted', message: InspectorNotification<Profiler.ConsoleProfileStartedEventDataType>): boolean;
+        emit(event: 'Profiler.consoleProfileFinished', message: InspectorNotification<Profiler.ConsoleProfileFinishedEventDataType>): boolean;
+        emit(event: 'HeapProfiler.addHeapSnapshotChunk', message: InspectorNotification<HeapProfiler.AddHeapSnapshotChunkEventDataType>): boolean;
+        emit(event: 'HeapProfiler.resetProfiles'): boolean;
+        emit(event: 'HeapProfiler.reportHeapSnapshotProgress', message: InspectorNotification<HeapProfiler.ReportHeapSnapshotProgressEventDataType>): boolean;
+        emit(event: 'HeapProfiler.lastSeenObjectId', message: InspectorNotification<HeapProfiler.LastSeenObjectIdEventDataType>): boolean;
+        emit(event: 'HeapProfiler.heapStatsUpdate', message: InspectorNotification<HeapProfiler.HeapStatsUpdateEventDataType>): boolean;
+        emit(event: 'NodeTracing.dataCollected', message: InspectorNotification<NodeTracing.DataCollectedEventDataType>): boolean;
+        emit(event: 'NodeTracing.tracingComplete'): boolean;
+        emit(event: 'NodeWorker.attachedToWorker', message: InspectorNotification<NodeWorker.AttachedToWorkerEventDataType>): boolean;
+        emit(event: 'NodeWorker.detachedFromWorker', message: InspectorNotification<NodeWorker.DetachedFromWorkerEventDataType>): boolean;
+        emit(event: 'NodeWorker.receivedMessageFromWorker', message: InspectorNotification<NodeWorker.ReceivedMessageFromWorkerEventDataType>): boolean;
+        emit(event: 'NodeRuntime.waitingForDisconnect'): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        /**
+         * Emitted when any notification from the V8 Inspector is received.
+         */
+        on(event: 'inspectorNotification', listener: (message: InspectorNotification<{}>) => void): this;
+        /**
+         * Issued when new execution context is created.
+         */
+        on(event: 'Runtime.executionContextCreated', listener: (message: InspectorNotification<Runtime.ExecutionContextCreatedEventDataType>) => void): this;
+        /**
+         * Issued when execution context is destroyed.
+         */
+        on(event: 'Runtime.executionContextDestroyed', listener: (message: InspectorNotification<Runtime.ExecutionContextDestroyedEventDataType>) => void): this;
+        /**
+         * Issued when all executionContexts were cleared in browser
+         */
+        on(event: 'Runtime.executionContextsCleared', listener: () => void): this;
+        /**
+         * Issued when exception was thrown and unhandled.
+         */
+        on(event: 'Runtime.exceptionThrown', listener: (message: InspectorNotification<Runtime.ExceptionThrownEventDataType>) => void): this;
+        /**
+         * Issued when unhandled exception was revoked.
+         */
+        on(event: 'Runtime.exceptionRevoked', listener: (message: InspectorNotification<Runtime.ExceptionRevokedEventDataType>) => void): this;
+        /**
+         * Issued when console API was called.
+         */
+        on(event: 'Runtime.consoleAPICalled', listener: (message: InspectorNotification<Runtime.ConsoleAPICalledEventDataType>) => void): this;
+        /**
+         * Issued when object should be inspected (for example, as a result of inspect() command line API call).
+         */
+        on(event: 'Runtime.inspectRequested', listener: (message: InspectorNotification<Runtime.InspectRequestedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine parses script. This event is also fired for all known and uncollected scripts upon enabling debugger.
+         */
+        on(event: 'Debugger.scriptParsed', listener: (message: InspectorNotification<Debugger.ScriptParsedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine fails to parse the script.
+         */
+        on(event: 'Debugger.scriptFailedToParse', listener: (message: InspectorNotification<Debugger.ScriptFailedToParseEventDataType>) => void): this;
+        /**
+         * Fired when breakpoint is resolved to an actual script and location.
+         */
+        on(event: 'Debugger.breakpointResolved', listener: (message: InspectorNotification<Debugger.BreakpointResolvedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.
+         */
+        on(event: 'Debugger.paused', listener: (message: InspectorNotification<Debugger.PausedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine resumed execution.
+         */
+        on(event: 'Debugger.resumed', listener: () => void): this;
+        /**
+         * Issued when new console message is added.
+         */
+        on(event: 'Console.messageAdded', listener: (message: InspectorNotification<Console.MessageAddedEventDataType>) => void): this;
+        /**
+         * Sent when new profile recording is started using console.profile() call.
+         */
+        on(event: 'Profiler.consoleProfileStarted', listener: (message: InspectorNotification<Profiler.ConsoleProfileStartedEventDataType>) => void): this;
+        on(event: 'Profiler.consoleProfileFinished', listener: (message: InspectorNotification<Profiler.ConsoleProfileFinishedEventDataType>) => void): this;
+        on(event: 'HeapProfiler.addHeapSnapshotChunk', listener: (message: InspectorNotification<HeapProfiler.AddHeapSnapshotChunkEventDataType>) => void): this;
+        on(event: 'HeapProfiler.resetProfiles', listener: () => void): this;
+        on(event: 'HeapProfiler.reportHeapSnapshotProgress', listener: (message: InspectorNotification<HeapProfiler.ReportHeapSnapshotProgressEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend regularly sends a current value for last seen object id and corresponding timestamp. If the were changes in the heap since last event then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.
+         */
+        on(event: 'HeapProfiler.lastSeenObjectId', listener: (message: InspectorNotification<HeapProfiler.LastSeenObjectIdEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend may send update for one or more fragments
+         */
+        on(event: 'HeapProfiler.heapStatsUpdate', listener: (message: InspectorNotification<HeapProfiler.HeapStatsUpdateEventDataType>) => void): this;
+        /**
+         * Contains an bucket of collected trace events.
+         */
+        on(event: 'NodeTracing.dataCollected', listener: (message: InspectorNotification<NodeTracing.DataCollectedEventDataType>) => void): this;
+        /**
+         * Signals that tracing is stopped and there is no trace buffers pending flush, all data were
+         * delivered via dataCollected events.
+         */
+        on(event: 'NodeTracing.tracingComplete', listener: () => void): this;
+        /**
+         * Issued when attached to a worker.
+         */
+        on(event: 'NodeWorker.attachedToWorker', listener: (message: InspectorNotification<NodeWorker.AttachedToWorkerEventDataType>) => void): this;
+        /**
+         * Issued when detached from the worker.
+         */
+        on(event: 'NodeWorker.detachedFromWorker', listener: (message: InspectorNotification<NodeWorker.DetachedFromWorkerEventDataType>) => void): this;
+        /**
+         * Notifies about a new protocol message received from the session
+         * (session ID is provided in attachedToWorker notification).
+         */
+        on(event: 'NodeWorker.receivedMessageFromWorker', listener: (message: InspectorNotification<NodeWorker.ReceivedMessageFromWorkerEventDataType>) => void): this;
+        /**
+         * This event is fired instead of `Runtime.executionContextDestroyed` when
+         * enabled.
+         * It is fired when the Node process finished all code execution and is
+         * waiting for all frontends to disconnect.
+         */
+        on(event: 'NodeRuntime.waitingForDisconnect', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        /**
+         * Emitted when any notification from the V8 Inspector is received.
+         */
+        once(event: 'inspectorNotification', listener: (message: InspectorNotification<{}>) => void): this;
+        /**
+         * Issued when new execution context is created.
+         */
+        once(event: 'Runtime.executionContextCreated', listener: (message: InspectorNotification<Runtime.ExecutionContextCreatedEventDataType>) => void): this;
+        /**
+         * Issued when execution context is destroyed.
+         */
+        once(event: 'Runtime.executionContextDestroyed', listener: (message: InspectorNotification<Runtime.ExecutionContextDestroyedEventDataType>) => void): this;
+        /**
+         * Issued when all executionContexts were cleared in browser
+         */
+        once(event: 'Runtime.executionContextsCleared', listener: () => void): this;
+        /**
+         * Issued when exception was thrown and unhandled.
+         */
+        once(event: 'Runtime.exceptionThrown', listener: (message: InspectorNotification<Runtime.ExceptionThrownEventDataType>) => void): this;
+        /**
+         * Issued when unhandled exception was revoked.
+         */
+        once(event: 'Runtime.exceptionRevoked', listener: (message: InspectorNotification<Runtime.ExceptionRevokedEventDataType>) => void): this;
+        /**
+         * Issued when console API was called.
+         */
+        once(event: 'Runtime.consoleAPICalled', listener: (message: InspectorNotification<Runtime.ConsoleAPICalledEventDataType>) => void): this;
+        /**
+         * Issued when object should be inspected (for example, as a result of inspect() command line API call).
+         */
+        once(event: 'Runtime.inspectRequested', listener: (message: InspectorNotification<Runtime.InspectRequestedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine parses script. This event is also fired for all known and uncollected scripts upon enabling debugger.
+         */
+        once(event: 'Debugger.scriptParsed', listener: (message: InspectorNotification<Debugger.ScriptParsedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine fails to parse the script.
+         */
+        once(event: 'Debugger.scriptFailedToParse', listener: (message: InspectorNotification<Debugger.ScriptFailedToParseEventDataType>) => void): this;
+        /**
+         * Fired when breakpoint is resolved to an actual script and location.
+         */
+        once(event: 'Debugger.breakpointResolved', listener: (message: InspectorNotification<Debugger.BreakpointResolvedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.
+         */
+        once(event: 'Debugger.paused', listener: (message: InspectorNotification<Debugger.PausedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine resumed execution.
+         */
+        once(event: 'Debugger.resumed', listener: () => void): this;
+        /**
+         * Issued when new console message is added.
+         */
+        once(event: 'Console.messageAdded', listener: (message: InspectorNotification<Console.MessageAddedEventDataType>) => void): this;
+        /**
+         * Sent when new profile recording is started using console.profile() call.
+         */
+        once(event: 'Profiler.consoleProfileStarted', listener: (message: InspectorNotification<Profiler.ConsoleProfileStartedEventDataType>) => void): this;
+        once(event: 'Profiler.consoleProfileFinished', listener: (message: InspectorNotification<Profiler.ConsoleProfileFinishedEventDataType>) => void): this;
+        once(event: 'HeapProfiler.addHeapSnapshotChunk', listener: (message: InspectorNotification<HeapProfiler.AddHeapSnapshotChunkEventDataType>) => void): this;
+        once(event: 'HeapProfiler.resetProfiles', listener: () => void): this;
+        once(event: 'HeapProfiler.reportHeapSnapshotProgress', listener: (message: InspectorNotification<HeapProfiler.ReportHeapSnapshotProgressEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend regularly sends a current value for last seen object id and corresponding timestamp. If the were changes in the heap since last event then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.
+         */
+        once(event: 'HeapProfiler.lastSeenObjectId', listener: (message: InspectorNotification<HeapProfiler.LastSeenObjectIdEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend may send update for one or more fragments
+         */
+        once(event: 'HeapProfiler.heapStatsUpdate', listener: (message: InspectorNotification<HeapProfiler.HeapStatsUpdateEventDataType>) => void): this;
+        /**
+         * Contains an bucket of collected trace events.
+         */
+        once(event: 'NodeTracing.dataCollected', listener: (message: InspectorNotification<NodeTracing.DataCollectedEventDataType>) => void): this;
+        /**
+         * Signals that tracing is stopped and there is no trace buffers pending flush, all data were
+         * delivered via dataCollected events.
+         */
+        once(event: 'NodeTracing.tracingComplete', listener: () => void): this;
+        /**
+         * Issued when attached to a worker.
+         */
+        once(event: 'NodeWorker.attachedToWorker', listener: (message: InspectorNotification<NodeWorker.AttachedToWorkerEventDataType>) => void): this;
+        /**
+         * Issued when detached from the worker.
+         */
+        once(event: 'NodeWorker.detachedFromWorker', listener: (message: InspectorNotification<NodeWorker.DetachedFromWorkerEventDataType>) => void): this;
+        /**
+         * Notifies about a new protocol message received from the session
+         * (session ID is provided in attachedToWorker notification).
+         */
+        once(event: 'NodeWorker.receivedMessageFromWorker', listener: (message: InspectorNotification<NodeWorker.ReceivedMessageFromWorkerEventDataType>) => void): this;
+        /**
+         * This event is fired instead of `Runtime.executionContextDestroyed` when
+         * enabled.
+         * It is fired when the Node process finished all code execution and is
+         * waiting for all frontends to disconnect.
+         */
+        once(event: 'NodeRuntime.waitingForDisconnect', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        /**
+         * Emitted when any notification from the V8 Inspector is received.
+         */
+        prependListener(event: 'inspectorNotification', listener: (message: InspectorNotification<{}>) => void): this;
+        /**
+         * Issued when new execution context is created.
+         */
+        prependListener(event: 'Runtime.executionContextCreated', listener: (message: InspectorNotification<Runtime.ExecutionContextCreatedEventDataType>) => void): this;
+        /**
+         * Issued when execution context is destroyed.
+         */
+        prependListener(event: 'Runtime.executionContextDestroyed', listener: (message: InspectorNotification<Runtime.ExecutionContextDestroyedEventDataType>) => void): this;
+        /**
+         * Issued when all executionContexts were cleared in browser
+         */
+        prependListener(event: 'Runtime.executionContextsCleared', listener: () => void): this;
+        /**
+         * Issued when exception was thrown and unhandled.
+         */
+        prependListener(event: 'Runtime.exceptionThrown', listener: (message: InspectorNotification<Runtime.ExceptionThrownEventDataType>) => void): this;
+        /**
+         * Issued when unhandled exception was revoked.
+         */
+        prependListener(event: 'Runtime.exceptionRevoked', listener: (message: InspectorNotification<Runtime.ExceptionRevokedEventDataType>) => void): this;
+        /**
+         * Issued when console API was called.
+         */
+        prependListener(event: 'Runtime.consoleAPICalled', listener: (message: InspectorNotification<Runtime.ConsoleAPICalledEventDataType>) => void): this;
+        /**
+         * Issued when object should be inspected (for example, as a result of inspect() command line API call).
+         */
+        prependListener(event: 'Runtime.inspectRequested', listener: (message: InspectorNotification<Runtime.InspectRequestedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine parses script. This event is also fired for all known and uncollected scripts upon enabling debugger.
+         */
+        prependListener(event: 'Debugger.scriptParsed', listener: (message: InspectorNotification<Debugger.ScriptParsedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine fails to parse the script.
+         */
+        prependListener(event: 'Debugger.scriptFailedToParse', listener: (message: InspectorNotification<Debugger.ScriptFailedToParseEventDataType>) => void): this;
+        /**
+         * Fired when breakpoint is resolved to an actual script and location.
+         */
+        prependListener(event: 'Debugger.breakpointResolved', listener: (message: InspectorNotification<Debugger.BreakpointResolvedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.
+         */
+        prependListener(event: 'Debugger.paused', listener: (message: InspectorNotification<Debugger.PausedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine resumed execution.
+         */
+        prependListener(event: 'Debugger.resumed', listener: () => void): this;
+        /**
+         * Issued when new console message is added.
+         */
+        prependListener(event: 'Console.messageAdded', listener: (message: InspectorNotification<Console.MessageAddedEventDataType>) => void): this;
+        /**
+         * Sent when new profile recording is started using console.profile() call.
+         */
+        prependListener(event: 'Profiler.consoleProfileStarted', listener: (message: InspectorNotification<Profiler.ConsoleProfileStartedEventDataType>) => void): this;
+        prependListener(event: 'Profiler.consoleProfileFinished', listener: (message: InspectorNotification<Profiler.ConsoleProfileFinishedEventDataType>) => void): this;
+        prependListener(event: 'HeapProfiler.addHeapSnapshotChunk', listener: (message: InspectorNotification<HeapProfiler.AddHeapSnapshotChunkEventDataType>) => void): this;
+        prependListener(event: 'HeapProfiler.resetProfiles', listener: () => void): this;
+        prependListener(event: 'HeapProfiler.reportHeapSnapshotProgress', listener: (message: InspectorNotification<HeapProfiler.ReportHeapSnapshotProgressEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend regularly sends a current value for last seen object id and corresponding timestamp. If the were changes in the heap since last event then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.
+         */
+        prependListener(event: 'HeapProfiler.lastSeenObjectId', listener: (message: InspectorNotification<HeapProfiler.LastSeenObjectIdEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend may send update for one or more fragments
+         */
+        prependListener(event: 'HeapProfiler.heapStatsUpdate', listener: (message: InspectorNotification<HeapProfiler.HeapStatsUpdateEventDataType>) => void): this;
+        /**
+         * Contains an bucket of collected trace events.
+         */
+        prependListener(event: 'NodeTracing.dataCollected', listener: (message: InspectorNotification<NodeTracing.DataCollectedEventDataType>) => void): this;
+        /**
+         * Signals that tracing is stopped and there is no trace buffers pending flush, all data were
+         * delivered via dataCollected events.
+         */
+        prependListener(event: 'NodeTracing.tracingComplete', listener: () => void): this;
+        /**
+         * Issued when attached to a worker.
+         */
+        prependListener(event: 'NodeWorker.attachedToWorker', listener: (message: InspectorNotification<NodeWorker.AttachedToWorkerEventDataType>) => void): this;
+        /**
+         * Issued when detached from the worker.
+         */
+        prependListener(event: 'NodeWorker.detachedFromWorker', listener: (message: InspectorNotification<NodeWorker.DetachedFromWorkerEventDataType>) => void): this;
+        /**
+         * Notifies about a new protocol message received from the session
+         * (session ID is provided in attachedToWorker notification).
+         */
+        prependListener(event: 'NodeWorker.receivedMessageFromWorker', listener: (message: InspectorNotification<NodeWorker.ReceivedMessageFromWorkerEventDataType>) => void): this;
+        /**
+         * This event is fired instead of `Runtime.executionContextDestroyed` when
+         * enabled.
+         * It is fired when the Node process finished all code execution and is
+         * waiting for all frontends to disconnect.
+         */
+        prependListener(event: 'NodeRuntime.waitingForDisconnect', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        /**
+         * Emitted when any notification from the V8 Inspector is received.
+         */
+        prependOnceListener(event: 'inspectorNotification', listener: (message: InspectorNotification<{}>) => void): this;
+        /**
+         * Issued when new execution context is created.
+         */
+        prependOnceListener(event: 'Runtime.executionContextCreated', listener: (message: InspectorNotification<Runtime.ExecutionContextCreatedEventDataType>) => void): this;
+        /**
+         * Issued when execution context is destroyed.
+         */
+        prependOnceListener(event: 'Runtime.executionContextDestroyed', listener: (message: InspectorNotification<Runtime.ExecutionContextDestroyedEventDataType>) => void): this;
+        /**
+         * Issued when all executionContexts were cleared in browser
+         */
+        prependOnceListener(event: 'Runtime.executionContextsCleared', listener: () => void): this;
+        /**
+         * Issued when exception was thrown and unhandled.
+         */
+        prependOnceListener(event: 'Runtime.exceptionThrown', listener: (message: InspectorNotification<Runtime.ExceptionThrownEventDataType>) => void): this;
+        /**
+         * Issued when unhandled exception was revoked.
+         */
+        prependOnceListener(event: 'Runtime.exceptionRevoked', listener: (message: InspectorNotification<Runtime.ExceptionRevokedEventDataType>) => void): this;
+        /**
+         * Issued when console API was called.
+         */
+        prependOnceListener(event: 'Runtime.consoleAPICalled', listener: (message: InspectorNotification<Runtime.ConsoleAPICalledEventDataType>) => void): this;
+        /**
+         * Issued when object should be inspected (for example, as a result of inspect() command line API call).
+         */
+        prependOnceListener(event: 'Runtime.inspectRequested', listener: (message: InspectorNotification<Runtime.InspectRequestedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine parses script. This event is also fired for all known and uncollected scripts upon enabling debugger.
+         */
+        prependOnceListener(event: 'Debugger.scriptParsed', listener: (message: InspectorNotification<Debugger.ScriptParsedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine fails to parse the script.
+         */
+        prependOnceListener(event: 'Debugger.scriptFailedToParse', listener: (message: InspectorNotification<Debugger.ScriptFailedToParseEventDataType>) => void): this;
+        /**
+         * Fired when breakpoint is resolved to an actual script and location.
+         */
+        prependOnceListener(event: 'Debugger.breakpointResolved', listener: (message: InspectorNotification<Debugger.BreakpointResolvedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.
+         */
+        prependOnceListener(event: 'Debugger.paused', listener: (message: InspectorNotification<Debugger.PausedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine resumed execution.
+         */
+        prependOnceListener(event: 'Debugger.resumed', listener: () => void): this;
+        /**
+         * Issued when new console message is added.
+         */
+        prependOnceListener(event: 'Console.messageAdded', listener: (message: InspectorNotification<Console.MessageAddedEventDataType>) => void): this;
+        /**
+         * Sent when new profile recording is started using console.profile() call.
+         */
+        prependOnceListener(event: 'Profiler.consoleProfileStarted', listener: (message: InspectorNotification<Profiler.ConsoleProfileStartedEventDataType>) => void): this;
+        prependOnceListener(event: 'Profiler.consoleProfileFinished', listener: (message: InspectorNotification<Profiler.ConsoleProfileFinishedEventDataType>) => void): this;
+        prependOnceListener(event: 'HeapProfiler.addHeapSnapshotChunk', listener: (message: InspectorNotification<HeapProfiler.AddHeapSnapshotChunkEventDataType>) => void): this;
+        prependOnceListener(event: 'HeapProfiler.resetProfiles', listener: () => void): this;
+        prependOnceListener(event: 'HeapProfiler.reportHeapSnapshotProgress', listener: (message: InspectorNotification<HeapProfiler.ReportHeapSnapshotProgressEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend regularly sends a current value for last seen object id and corresponding timestamp. If the were changes in the heap since last event then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.
+         */
+        prependOnceListener(event: 'HeapProfiler.lastSeenObjectId', listener: (message: InspectorNotification<HeapProfiler.LastSeenObjectIdEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend may send update for one or more fragments
+         */
+        prependOnceListener(event: 'HeapProfiler.heapStatsUpdate', listener: (message: InspectorNotification<HeapProfiler.HeapStatsUpdateEventDataType>) => void): this;
+        /**
+         * Contains an bucket of collected trace events.
+         */
+        prependOnceListener(event: 'NodeTracing.dataCollected', listener: (message: InspectorNotification<NodeTracing.DataCollectedEventDataType>) => void): this;
+        /**
+         * Signals that tracing is stopped and there is no trace buffers pending flush, all data were
+         * delivered via dataCollected events.
+         */
+        prependOnceListener(event: 'NodeTracing.tracingComplete', listener: () => void): this;
+        /**
+         * Issued when attached to a worker.
+         */
+        prependOnceListener(event: 'NodeWorker.attachedToWorker', listener: (message: InspectorNotification<NodeWorker.AttachedToWorkerEventDataType>) => void): this;
+        /**
+         * Issued when detached from the worker.
+         */
+        prependOnceListener(event: 'NodeWorker.detachedFromWorker', listener: (message: InspectorNotification<NodeWorker.DetachedFromWorkerEventDataType>) => void): this;
+        /**
+         * Notifies about a new protocol message received from the session
+         * (session ID is provided in attachedToWorker notification).
+         */
+        prependOnceListener(event: 'NodeWorker.receivedMessageFromWorker', listener: (message: InspectorNotification<NodeWorker.ReceivedMessageFromWorkerEventDataType>) => void): this;
+        /**
+         * This event is fired instead of `Runtime.executionContextDestroyed` when
+         * enabled.
+         * It is fired when the Node process finished all code execution and is
+         * waiting for all frontends to disconnect.
+         */
+        prependOnceListener(event: 'NodeRuntime.waitingForDisconnect', listener: () => void): this;
+    }
+    /**
+     * Activate inspector on host and port. Equivalent to`node --inspect=[[host:]port]`, but can be done programmatically after node has
+     * started.
+     *
+     * If wait is `true`, will block until a client has connected to the inspect port
+     * and flow control has been passed to the debugger client.
+     *
+     * See the `security warning` regarding the `host`parameter usage.
+     * @param [port='what was specified on the CLI'] Port to listen on for inspector connections. Optional.
+     * @param [host='what was specified on the CLI'] Host to listen on for inspector connections. Optional.
+     * @param [wait=false] Block until a client has connected. Optional.
+     */
+    function open(port?: number, host?: string, wait?: boolean): void;
+    /**
+     * Deactivate the inspector. Blocks until there are no active connections.
+     */
+    function close(): void;
+    /**
+     * Return the URL of the active inspector, or `undefined` if there is none.
+     *
+     * ```console
+     * $ node --inspect -p 'inspector.url()'
+     * Debugger listening on ws://127.0.0.1:9229/166e272e-7a30-4d09-97ce-f1c012b43c34
+     * For help, see: https://nodejs.org/en/docs/inspector
+     * ws://127.0.0.1:9229/166e272e-7a30-4d09-97ce-f1c012b43c34
+     *
+     * $ node --inspect=localhost:3000 -p 'inspector.url()'
+     * Debugger listening on ws://localhost:3000/51cf8d0e-3c36-4c59-8efd-54519839e56a
+     * For help, see: https://nodejs.org/en/docs/inspector
+     * ws://localhost:3000/51cf8d0e-3c36-4c59-8efd-54519839e56a
+     *
+     * $ node -p 'inspector.url()'
+     * undefined
+     * ```
+     */
+    function url(): string | undefined;
+    /**
+     * Blocks until a client (existing or connected later) has sent`Runtime.runIfWaitingForDebugger` command.
+     *
+     * An exception will be thrown if there is no active inspector.
+     * @since v12.7.0
+     */
+    function waitForDebugger(): void;
+}
+/**
+ * The inspector module provides an API for interacting with the V8 inspector.
+ */
+declare module 'node:inspector' {
+    import inspector = require('inspector');
+    export = inspector;
+}
diff --git a/node_modules/@types/node/module.d.ts b/node_modules/@types/node/module.d.ts
new file mode 100644
index 000000000..d83aec94a
--- /dev/null
+++ b/node_modules/@types/node/module.d.ts
@@ -0,0 +1,114 @@
+/**
+ * @since v0.3.7
+ */
+declare module 'module' {
+    import { URL } from 'node:url';
+    namespace Module {
+        /**
+         * The `module.syncBuiltinESMExports()` method updates all the live bindings for
+         * builtin `ES Modules` to match the properties of the `CommonJS` exports. It
+         * does not add or remove exported names from the `ES Modules`.
+         *
+         * ```js
+         * const fs = require('fs');
+         * const assert = require('assert');
+         * const { syncBuiltinESMExports } = require('module');
+         *
+         * fs.readFile = newAPI;
+         *
+         * delete fs.readFileSync;
+         *
+         * function newAPI() {
+         *   // ...
+         * }
+         *
+         * fs.newAPI = newAPI;
+         *
+         * syncBuiltinESMExports();
+         *
+         * import('fs').then((esmFS) => {
+         *   // It syncs the existing readFile property with the new value
+         *   assert.strictEqual(esmFS.readFile, newAPI);
+         *   // readFileSync has been deleted from the required fs
+         *   assert.strictEqual('readFileSync' in fs, false);
+         *   // syncBuiltinESMExports() does not remove readFileSync from esmFS
+         *   assert.strictEqual('readFileSync' in esmFS, true);
+         *   // syncBuiltinESMExports() does not add names
+         *   assert.strictEqual(esmFS.newAPI, undefined);
+         * });
+         * ```
+         * @since v12.12.0
+         */
+        function syncBuiltinESMExports(): void;
+        /**
+         * `path` is the resolved path for the file for which a corresponding source map
+         * should be fetched.
+         * @since v13.7.0, v12.17.0
+         */
+        function findSourceMap(path: string, error?: Error): SourceMap;
+        interface SourceMapPayload {
+            file: string;
+            version: number;
+            sources: string[];
+            sourcesContent: string[];
+            names: string[];
+            mappings: string;
+            sourceRoot: string;
+        }
+        interface SourceMapping {
+            generatedLine: number;
+            generatedColumn: number;
+            originalSource: string;
+            originalLine: number;
+            originalColumn: number;
+        }
+        /**
+         * @since v13.7.0, v12.17.0
+         */
+        class SourceMap {
+            /**
+             * Getter for the payload used to construct the `SourceMap` instance.
+             */
+            readonly payload: SourceMapPayload;
+            constructor(payload: SourceMapPayload);
+            /**
+             * Given a line number and column number in the generated source file, returns
+             * an object representing the position in the original file. The object returned
+             * consists of the following keys:
+             */
+            findEntry(line: number, column: number): SourceMapping;
+        }
+    }
+    interface Module extends NodeModule {}
+    class Module {
+        static runMain(): void;
+        static wrap(code: string): string;
+        static createRequire(path: string | URL): NodeRequire;
+        static builtinModules: string[];
+        static Module: typeof Module;
+        constructor(id: string, parent?: Module);
+    }
+    global {
+        interface ImportMeta {
+            url: string;
+            /**
+             * @experimental
+             * This feature is only available with the `--experimental-import-meta-resolve`
+             * command flag enabled.
+             *
+             * Provides a module-relative resolution function scoped to each module, returning
+             * the URL string.
+             *
+             * @param specified The module specifier to resolve relative to `parent`.
+             * @param parent The absolute parent module URL to resolve from. If none
+             * is specified, the value of `import.meta.url` is used as the default.
+             */
+            resolve?(specified: string, parent?: string | URL): Promise<string>;
+        }
+    }
+    export = Module;
+}
+declare module 'node:module' {
+    import module = require('module');
+    export = module;
+}
diff --git a/node_modules/@types/node/net.d.ts b/node_modules/@types/node/net.d.ts
new file mode 100644
index 000000000..eaa08bcf3
--- /dev/null
+++ b/node_modules/@types/node/net.d.ts
@@ -0,0 +1,838 @@
+/**
+ * > Stability: 2 - Stable
+ *
+ * The `net` module provides an asynchronous network API for creating stream-based
+ * TCP or `IPC` servers ({@link createServer}) and clients
+ * ({@link createConnection}).
+ *
+ * It can be accessed using:
+ *
+ * ```js
+ * const net = require('net');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/net.js)
+ */
+declare module 'net' {
+    import * as stream from 'node:stream';
+    import { Abortable, EventEmitter } from 'node:events';
+    import * as dns from 'node:dns';
+    type LookupFunction = (hostname: string, options: dns.LookupOneOptions, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void) => void;
+    interface AddressInfo {
+        address: string;
+        family: string;
+        port: number;
+    }
+    interface SocketConstructorOpts {
+        fd?: number | undefined;
+        allowHalfOpen?: boolean | undefined;
+        readable?: boolean | undefined;
+        writable?: boolean | undefined;
+        signal?: AbortSignal;
+    }
+    interface OnReadOpts {
+        buffer: Uint8Array | (() => Uint8Array);
+        /**
+         * This function is called for every chunk of incoming data.
+         * Two arguments are passed to it: the number of bytes written to buffer and a reference to buffer.
+         * Return false from this function to implicitly pause() the socket.
+         */
+        callback(bytesWritten: number, buf: Uint8Array): boolean;
+    }
+    interface ConnectOpts {
+        /**
+         * If specified, incoming data is stored in a single buffer and passed to the supplied callback when data arrives on the socket.
+         * Note: this will cause the streaming functionality to not provide any data, however events like 'error', 'end', and 'close' will
+         * still be emitted as normal and methods like pause() and resume() will also behave as expected.
+         */
+        onread?: OnReadOpts | undefined;
+    }
+    interface TcpSocketConnectOpts extends ConnectOpts {
+        port: number;
+        host?: string | undefined;
+        localAddress?: string | undefined;
+        localPort?: number | undefined;
+        hints?: number | undefined;
+        family?: number | undefined;
+        lookup?: LookupFunction | undefined;
+        noDelay?: boolean | undefined;
+        keepAlive?: boolean | undefined;
+        keepAliveInitialDelay?: number | undefined;
+    }
+    interface IpcSocketConnectOpts extends ConnectOpts {
+        path: string;
+    }
+    type SocketConnectOpts = TcpSocketConnectOpts | IpcSocketConnectOpts;
+    type SocketReadyState = 'opening' | 'open' | 'readOnly' | 'writeOnly' | 'closed';
+    /**
+     * This class is an abstraction of a TCP socket or a streaming `IPC` endpoint
+     * (uses named pipes on Windows, and Unix domain sockets otherwise). It is also
+     * an `EventEmitter`.
+     *
+     * A `net.Socket` can be created by the user and used directly to interact with
+     * a server. For example, it is returned by {@link createConnection},
+     * so the user can use it to talk to the server.
+     *
+     * It can also be created by Node.js and passed to the user when a connection
+     * is received. For example, it is passed to the listeners of a `'connection'` event emitted on a {@link Server}, so the user can use
+     * it to interact with the client.
+     * @since v0.3.4
+     */
+    class Socket extends stream.Duplex {
+        constructor(options?: SocketConstructorOpts);
+        /**
+         * Sends data on the socket. The second parameter specifies the encoding in the
+         * case of a string. It defaults to UTF8 encoding.
+         *
+         * Returns `true` if the entire data was flushed successfully to the kernel
+         * buffer. Returns `false` if all or part of the data was queued in user memory.`'drain'` will be emitted when the buffer is again free.
+         *
+         * The optional `callback` parameter will be executed when the data is finally
+         * written out, which may not be immediately.
+         *
+         * See `Writable` stream `write()` method for more
+         * information.
+         * @since v0.1.90
+         * @param [encoding='utf8'] Only used when data is `string`.
+         */
+        write(buffer: Uint8Array | string, cb?: (err?: Error) => void): boolean;
+        write(str: Uint8Array | string, encoding?: BufferEncoding, cb?: (err?: Error) => void): boolean;
+        /**
+         * Initiate a connection on a given socket.
+         *
+         * Possible signatures:
+         *
+         * * `socket.connect(options[, connectListener])`
+         * * `socket.connect(path[, connectListener])` for `IPC` connections.
+         * * `socket.connect(port[, host][, connectListener])` for TCP connections.
+         * * Returns: `net.Socket` The socket itself.
+         *
+         * This function is asynchronous. When the connection is established, the `'connect'` event will be emitted. If there is a problem connecting,
+         * instead of a `'connect'` event, an `'error'` event will be emitted with
+         * the error passed to the `'error'` listener.
+         * The last parameter `connectListener`, if supplied, will be added as a listener
+         * for the `'connect'` event **once**.
+         *
+         * This function should only be used for reconnecting a socket after`'close'` has been emitted or otherwise it may lead to undefined
+         * behavior.
+         */
+        connect(options: SocketConnectOpts, connectionListener?: () => void): this;
+        connect(port: number, host: string, connectionListener?: () => void): this;
+        connect(port: number, connectionListener?: () => void): this;
+        connect(path: string, connectionListener?: () => void): this;
+        /**
+         * Set the encoding for the socket as a `Readable Stream`. See `readable.setEncoding()` for more information.
+         * @since v0.1.90
+         * @return The socket itself.
+         */
+        setEncoding(encoding?: BufferEncoding): this;
+        /**
+         * Pauses the reading of data. That is, `'data'` events will not be emitted.
+         * Useful to throttle back an upload.
+         * @return The socket itself.
+         */
+        pause(): this;
+        /**
+         * Resumes reading after a call to `socket.pause()`.
+         * @return The socket itself.
+         */
+        resume(): this;
+        /**
+         * Sets the socket to timeout after `timeout` milliseconds of inactivity on
+         * the socket. By default `net.Socket` do not have a timeout.
+         *
+         * When an idle timeout is triggered the socket will receive a `'timeout'` event but the connection will not be severed. The user must manually call `socket.end()` or `socket.destroy()` to
+         * end the connection.
+         *
+         * ```js
+         * socket.setTimeout(3000);
+         * socket.on('timeout', () => {
+         *   console.log('socket timeout');
+         *   socket.end();
+         * });
+         * ```
+         *
+         * If `timeout` is 0, then the existing idle timeout is disabled.
+         *
+         * The optional `callback` parameter will be added as a one-time listener for the `'timeout'` event.
+         * @since v0.1.90
+         * @return The socket itself.
+         */
+        setTimeout(timeout: number, callback?: () => void): this;
+        /**
+         * Enable/disable the use of Nagle's algorithm.
+         *
+         * When a TCP connection is created, it will have Nagle's algorithm enabled.
+         *
+         * Nagle's algorithm delays data before it is sent via the network. It attempts
+         * to optimize throughput at the expense of latency.
+         *
+         * Passing `true` for `noDelay` or not passing an argument will disable Nagle's
+         * algorithm for the socket. Passing `false` for `noDelay` will enable Nagle's
+         * algorithm.
+         * @since v0.1.90
+         * @param [noDelay=true]
+         * @return The socket itself.
+         */
+        setNoDelay(noDelay?: boolean): this;
+        /**
+         * Enable/disable keep-alive functionality, and optionally set the initial
+         * delay before the first keepalive probe is sent on an idle socket.
+         *
+         * Set `initialDelay` (in milliseconds) to set the delay between the last
+         * data packet received and the first keepalive probe. Setting `0` for`initialDelay` will leave the value unchanged from the default
+         * (or previous) setting.
+         *
+         * Enabling the keep-alive functionality will set the following socket options:
+         *
+         * * `SO_KEEPALIVE=1`
+         * * `TCP_KEEPIDLE=initialDelay`
+         * * `TCP_KEEPCNT=10`
+         * * `TCP_KEEPINTVL=1`
+         * @since v0.1.92
+         * @param [enable=false]
+         * @param [initialDelay=0]
+         * @return The socket itself.
+         */
+        setKeepAlive(enable?: boolean, initialDelay?: number): this;
+        /**
+         * Returns the bound `address`, the address `family` name and `port` of the
+         * socket as reported by the operating system:`{ port: 12346, family: 'IPv4', address: '127.0.0.1' }`
+         * @since v0.1.90
+         */
+        address(): AddressInfo | {};
+        /**
+         * Calling `unref()` on a socket will allow the program to exit if this is the only
+         * active socket in the event system. If the socket is already `unref`ed calling`unref()` again will have no effect.
+         * @since v0.9.1
+         * @return The socket itself.
+         */
+        unref(): this;
+        /**
+         * Opposite of `unref()`, calling `ref()` on a previously `unref`ed socket will _not_ let the program exit if it's the only socket left (the default behavior).
+         * If the socket is `ref`ed calling `ref` again will have no effect.
+         * @since v0.9.1
+         * @return The socket itself.
+         */
+        ref(): this;
+        /**
+         * This property shows the number of characters buffered for writing. The buffer
+         * may contain strings whose length after encoding is not yet known. So this number
+         * is only an approximation of the number of bytes in the buffer.
+         *
+         * `net.Socket` has the property that `socket.write()` always works. This is to
+         * help users get up and running quickly. The computer cannot always keep up
+         * with the amount of data that is written to a socket. The network connection
+         * simply might be too slow. Node.js will internally queue up the data written to a
+         * socket and send it out over the wire when it is possible.
+         *
+         * The consequence of this internal buffering is that memory may grow.
+         * Users who experience large or growing `bufferSize` should attempt to
+         * "throttle" the data flows in their program with `socket.pause()` and `socket.resume()`.
+         * @since v0.3.8
+         * @deprecated Since v14.6.0 - Use `writableLength` instead.
+         */
+        readonly bufferSize: number;
+        /**
+         * The amount of received bytes.
+         * @since v0.5.3
+         */
+        readonly bytesRead: number;
+        /**
+         * The amount of bytes sent.
+         * @since v0.5.3
+         */
+        readonly bytesWritten: number;
+        /**
+         * If `true`,`socket.connect(options[, connectListener])` was
+         * called and has not yet finished. It will stay `true` until the socket becomes
+         * connected, then it is set to `false` and the `'connect'` event is emitted. Note
+         * that the `socket.connect(options[, connectListener])` callback is a listener for the `'connect'` event.
+         * @since v6.1.0
+         */
+        readonly connecting: boolean;
+        /**
+         * See `writable.destroyed` for further details.
+         */
+        readonly destroyed: boolean;
+        /**
+         * The string representation of the local IP address the remote client is
+         * connecting on. For example, in a server listening on `'0.0.0.0'`, if a client
+         * connects on `'192.168.1.1'`, the value of `socket.localAddress` would be`'192.168.1.1'`.
+         * @since v0.9.6
+         */
+        readonly localAddress?: string;
+        /**
+         * The numeric representation of the local port. For example, `80` or `21`.
+         * @since v0.9.6
+         */
+        readonly localPort?: number;
+        /**
+         * This property represents the state of the connection as a string.
+         * @see {https://nodejs.org/api/net.html#socketreadystate}
+         * @since v0.5.0
+         */
+        readonly readyState: SocketReadyState;
+        /**
+         * The string representation of the remote IP address. For example,`'74.125.127.100'` or `'2001:4860:a005::68'`. Value may be `undefined` if
+         * the socket is destroyed (for example, if the client disconnected).
+         * @since v0.5.10
+         */
+        readonly remoteAddress?: string | undefined;
+        /**
+         * The string representation of the remote IP family. `'IPv4'` or `'IPv6'`.
+         * @since v0.11.14
+         */
+        readonly remoteFamily?: string | undefined;
+        /**
+         * The numeric representation of the remote port. For example, `80` or `21`.
+         * @since v0.5.10
+         */
+        readonly remotePort?: number | undefined;
+        /**
+         * The socket timeout in milliseconds as set by socket.setTimeout(). It is undefined if a timeout has not been set.
+         * @since v10.7.0
+         */
+        readonly timeout?: number | undefined;
+        /**
+         * Half-closes the socket. i.e., it sends a FIN packet. It is possible the
+         * server will still send some data.
+         *
+         * See `writable.end()` for further details.
+         * @since v0.1.90
+         * @param [encoding='utf8'] Only used when data is `string`.
+         * @param callback Optional callback for when the socket is finished.
+         * @return The socket itself.
+         */
+        end(callback?: () => void): this;
+        end(buffer: Uint8Array | string, callback?: () => void): this;
+        end(str: Uint8Array | string, encoding?: BufferEncoding, callback?: () => void): this;
+        /**
+         * events.EventEmitter
+         *   1. close
+         *   2. connect
+         *   3. data
+         *   4. drain
+         *   5. end
+         *   6. error
+         *   7. lookup
+         *   8. timeout
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: (hadError: boolean) => void): this;
+        addListener(event: 'connect', listener: () => void): this;
+        addListener(event: 'data', listener: (data: Buffer) => void): this;
+        addListener(event: 'drain', listener: () => void): this;
+        addListener(event: 'end', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'lookup', listener: (err: Error, address: string, family: string | number, host: string) => void): this;
+        addListener(event: 'ready', listener: () => void): this;
+        addListener(event: 'timeout', listener: () => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'close', hadError: boolean): boolean;
+        emit(event: 'connect'): boolean;
+        emit(event: 'data', data: Buffer): boolean;
+        emit(event: 'drain'): boolean;
+        emit(event: 'end'): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'lookup', err: Error, address: string, family: string | number, host: string): boolean;
+        emit(event: 'ready'): boolean;
+        emit(event: 'timeout'): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: (hadError: boolean) => void): this;
+        on(event: 'connect', listener: () => void): this;
+        on(event: 'data', listener: (data: Buffer) => void): this;
+        on(event: 'drain', listener: () => void): this;
+        on(event: 'end', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'lookup', listener: (err: Error, address: string, family: string | number, host: string) => void): this;
+        on(event: 'ready', listener: () => void): this;
+        on(event: 'timeout', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: (hadError: boolean) => void): this;
+        once(event: 'connect', listener: () => void): this;
+        once(event: 'data', listener: (data: Buffer) => void): this;
+        once(event: 'drain', listener: () => void): this;
+        once(event: 'end', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'lookup', listener: (err: Error, address: string, family: string | number, host: string) => void): this;
+        once(event: 'ready', listener: () => void): this;
+        once(event: 'timeout', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: (hadError: boolean) => void): this;
+        prependListener(event: 'connect', listener: () => void): this;
+        prependListener(event: 'data', listener: (data: Buffer) => void): this;
+        prependListener(event: 'drain', listener: () => void): this;
+        prependListener(event: 'end', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'lookup', listener: (err: Error, address: string, family: string | number, host: string) => void): this;
+        prependListener(event: 'ready', listener: () => void): this;
+        prependListener(event: 'timeout', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: (hadError: boolean) => void): this;
+        prependOnceListener(event: 'connect', listener: () => void): this;
+        prependOnceListener(event: 'data', listener: (data: Buffer) => void): this;
+        prependOnceListener(event: 'drain', listener: () => void): this;
+        prependOnceListener(event: 'end', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'lookup', listener: (err: Error, address: string, family: string | number, host: string) => void): this;
+        prependOnceListener(event: 'ready', listener: () => void): this;
+        prependOnceListener(event: 'timeout', listener: () => void): this;
+    }
+    interface ListenOptions extends Abortable {
+        port?: number | undefined;
+        host?: string | undefined;
+        backlog?: number | undefined;
+        path?: string | undefined;
+        exclusive?: boolean | undefined;
+        readableAll?: boolean | undefined;
+        writableAll?: boolean | undefined;
+        /**
+         * @default false
+         */
+        ipv6Only?: boolean | undefined;
+    }
+    interface ServerOpts {
+        /**
+         * Indicates whether half-opened TCP connections are allowed.
+         * @default false
+         */
+        allowHalfOpen?: boolean | undefined;
+        /**
+         * Indicates whether the socket should be paused on incoming connections.
+         * @default false
+         */
+        pauseOnConnect?: boolean | undefined;
+        /**
+         * If set to `true`, it disables the use of Nagle's algorithm immediately after a new incoming connection is received.
+         * @default false
+         * @since v16.5.0
+         */
+        noDelay?: boolean | undefined;
+        /**
+         * If set to `true`, it enables keep-alive functionality on the socket immediately after a new incoming connection is received,
+         * similarly on what is done in `socket.setKeepAlive([enable][, initialDelay])`.
+         * @default false
+         * @since v16.5.0
+         */
+        keepAlive?: boolean | undefined;
+        /**
+         * If set to a positive number, it sets the initial delay before the first keepalive probe is sent on an idle socket.
+         * @default 0
+         * @since v16.5.0
+         */
+        keepAliveInitialDelay?: number | undefined;
+    }
+    /**
+     * This class is used to create a TCP or `IPC` server.
+     * @since v0.1.90
+     */
+    class Server extends EventEmitter {
+        constructor(connectionListener?: (socket: Socket) => void);
+        constructor(options?: ServerOpts, connectionListener?: (socket: Socket) => void);
+        /**
+         * Start a server listening for connections. A `net.Server` can be a TCP or
+         * an `IPC` server depending on what it listens to.
+         *
+         * Possible signatures:
+         *
+         * * `server.listen(handle[, backlog][, callback])`
+         * * `server.listen(options[, callback])`
+         * * `server.listen(path[, backlog][, callback])` for `IPC` servers
+         * * `server.listen([port[, host[, backlog]]][, callback])` for TCP servers
+         *
+         * This function is asynchronous. When the server starts listening, the `'listening'` event will be emitted. The last parameter `callback`will be added as a listener for the `'listening'`
+         * event.
+         *
+         * All `listen()` methods can take a `backlog` parameter to specify the maximum
+         * length of the queue of pending connections. The actual length will be determined
+         * by the OS through sysctl settings such as `tcp_max_syn_backlog` and `somaxconn`on Linux. The default value of this parameter is 511 (not 512).
+         *
+         * All {@link Socket} are set to `SO_REUSEADDR` (see [`socket(7)`](https://man7.org/linux/man-pages/man7/socket.7.html) for
+         * details).
+         *
+         * The `server.listen()` method can be called again if and only if there was an
+         * error during the first `server.listen()` call or `server.close()` has been
+         * called. Otherwise, an `ERR_SERVER_ALREADY_LISTEN` error will be thrown.
+         *
+         * One of the most common errors raised when listening is `EADDRINUSE`.
+         * This happens when another server is already listening on the requested`port`/`path`/`handle`. One way to handle this would be to retry
+         * after a certain amount of time:
+         *
+         * ```js
+         * server.on('error', (e) => {
+         *   if (e.code === 'EADDRINUSE') {
+         *     console.log('Address in use, retrying...');
+         *     setTimeout(() => {
+         *       server.close();
+         *       server.listen(PORT, HOST);
+         *     }, 1000);
+         *   }
+         * });
+         * ```
+         */
+        listen(port?: number, hostname?: string, backlog?: number, listeningListener?: () => void): this;
+        listen(port?: number, hostname?: string, listeningListener?: () => void): this;
+        listen(port?: number, backlog?: number, listeningListener?: () => void): this;
+        listen(port?: number, listeningListener?: () => void): this;
+        listen(path: string, backlog?: number, listeningListener?: () => void): this;
+        listen(path: string, listeningListener?: () => void): this;
+        listen(options: ListenOptions, listeningListener?: () => void): this;
+        listen(handle: any, backlog?: number, listeningListener?: () => void): this;
+        listen(handle: any, listeningListener?: () => void): this;
+        /**
+         * Stops the server from accepting new connections and keeps existing
+         * connections. This function is asynchronous, the server is finally closed
+         * when all connections are ended and the server emits a `'close'` event.
+         * The optional `callback` will be called once the `'close'` event occurs. Unlike
+         * that event, it will be called with an `Error` as its only argument if the server
+         * was not open when it was closed.
+         * @since v0.1.90
+         * @param callback Called when the server is closed.
+         */
+        close(callback?: (err?: Error) => void): this;
+        /**
+         * Returns the bound `address`, the address `family` name, and `port` of the server
+         * as reported by the operating system if listening on an IP socket
+         * (useful to find which port was assigned when getting an OS-assigned address):`{ port: 12346, family: 'IPv4', address: '127.0.0.1' }`.
+         *
+         * For a server listening on a pipe or Unix domain socket, the name is returned
+         * as a string.
+         *
+         * ```js
+         * const server = net.createServer((socket) => {
+         *   socket.end('goodbye\n');
+         * }).on('error', (err) => {
+         *   // Handle errors here.
+         *   throw err;
+         * });
+         *
+         * // Grab an arbitrary unused port.
+         * server.listen(() => {
+         *   console.log('opened server on', server.address());
+         * });
+         * ```
+         *
+         * `server.address()` returns `null` before the `'listening'` event has been
+         * emitted or after calling `server.close()`.
+         * @since v0.1.90
+         */
+        address(): AddressInfo | string | null;
+        /**
+         * Asynchronously get the number of concurrent connections on the server. Works
+         * when sockets were sent to forks.
+         *
+         * Callback should take two arguments `err` and `count`.
+         * @since v0.9.7
+         */
+        getConnections(cb: (error: Error | null, count: number) => void): void;
+        /**
+         * Opposite of `unref()`, calling `ref()` on a previously `unref`ed server will _not_ let the program exit if it's the only server left (the default behavior).
+         * If the server is `ref`ed calling `ref()` again will have no effect.
+         * @since v0.9.1
+         */
+        ref(): this;
+        /**
+         * Calling `unref()` on a server will allow the program to exit if this is the only
+         * active server in the event system. If the server is already `unref`ed calling`unref()` again will have no effect.
+         * @since v0.9.1
+         */
+        unref(): this;
+        /**
+         * Set this property to reject connections when the server's connection count gets
+         * high.
+         *
+         * It is not recommended to use this option once a socket has been sent to a child
+         * with `child_process.fork()`.
+         * @since v0.2.0
+         */
+        maxConnections: number;
+        connections: number;
+        /**
+         * Indicates whether or not the server is listening for connections.
+         * @since v5.7.0
+         */
+        listening: boolean;
+        /**
+         * events.EventEmitter
+         *   1. close
+         *   2. connection
+         *   3. error
+         *   4. listening
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'connection', listener: (socket: Socket) => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'listening', listener: () => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'connection', socket: Socket): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'listening'): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'connection', listener: (socket: Socket) => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'listening', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'connection', listener: (socket: Socket) => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'listening', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'connection', listener: (socket: Socket) => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'listening', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'connection', listener: (socket: Socket) => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'listening', listener: () => void): this;
+    }
+    type IPVersion = 'ipv4' | 'ipv6';
+    /**
+     * The `BlockList` object can be used with some network APIs to specify rules for
+     * disabling inbound or outbound access to specific IP addresses, IP ranges, or
+     * IP subnets.
+     * @since v15.0.0, v14.18.0
+     */
+    class BlockList {
+        /**
+         * Adds a rule to block the given IP address.
+         * @since v15.0.0, v14.18.0
+         * @param address An IPv4 or IPv6 address.
+         * @param [type='ipv4'] Either `'ipv4'` or `'ipv6'`.
+         */
+        addAddress(address: string, type?: IPVersion): void;
+        addAddress(address: SocketAddress): void;
+        /**
+         * Adds a rule to block a range of IP addresses from `start` (inclusive) to`end` (inclusive).
+         * @since v15.0.0, v14.18.0
+         * @param start The starting IPv4 or IPv6 address in the range.
+         * @param end The ending IPv4 or IPv6 address in the range.
+         * @param [type='ipv4'] Either `'ipv4'` or `'ipv6'`.
+         */
+        addRange(start: string, end: string, type?: IPVersion): void;
+        addRange(start: SocketAddress, end: SocketAddress): void;
+        /**
+         * Adds a rule to block a range of IP addresses specified as a subnet mask.
+         * @since v15.0.0, v14.18.0
+         * @param net The network IPv4 or IPv6 address.
+         * @param prefix The number of CIDR prefix bits. For IPv4, this must be a value between `0` and `32`. For IPv6, this must be between `0` and `128`.
+         * @param [type='ipv4'] Either `'ipv4'` or `'ipv6'`.
+         */
+        addSubnet(net: SocketAddress, prefix: number): void;
+        addSubnet(net: string, prefix: number, type?: IPVersion): void;
+        /**
+         * Returns `true` if the given IP address matches any of the rules added to the`BlockList`.
+         *
+         * ```js
+         * const blockList = new net.BlockList();
+         * blockList.addAddress('123.123.123.123');
+         * blockList.addRange('10.0.0.1', '10.0.0.10');
+         * blockList.addSubnet('8592:757c:efae:4e45::', 64, 'ipv6');
+         *
+         * console.log(blockList.check('123.123.123.123'));  // Prints: true
+         * console.log(blockList.check('10.0.0.3'));  // Prints: true
+         * console.log(blockList.check('222.111.111.222'));  // Prints: false
+         *
+         * // IPv6 notation for IPv4 addresses works:
+         * console.log(blockList.check('::ffff:7b7b:7b7b', 'ipv6')); // Prints: true
+         * console.log(blockList.check('::ffff:123.123.123.123', 'ipv6')); // Prints: true
+         * ```
+         * @since v15.0.0, v14.18.0
+         * @param address The IP address to check
+         * @param [type='ipv4'] Either `'ipv4'` or `'ipv6'`.
+         */
+        check(address: SocketAddress): boolean;
+        check(address: string, type?: IPVersion): boolean;
+    }
+    interface TcpNetConnectOpts extends TcpSocketConnectOpts, SocketConstructorOpts {
+        timeout?: number | undefined;
+    }
+    interface IpcNetConnectOpts extends IpcSocketConnectOpts, SocketConstructorOpts {
+        timeout?: number | undefined;
+    }
+    type NetConnectOpts = TcpNetConnectOpts | IpcNetConnectOpts;
+    /**
+     * Creates a new TCP or `IPC` server.
+     *
+     * If `allowHalfOpen` is set to `true`, when the other end of the socket
+     * signals the end of transmission, the server will only send back the end of
+     * transmission when `socket.end()` is explicitly called. For example, in the
+     * context of TCP, when a FIN packed is received, a FIN packed is sent
+     * back only when `socket.end()` is explicitly called. Until then the
+     * connection is half-closed (non-readable but still writable). See `'end'` event and [RFC 1122](https://tools.ietf.org/html/rfc1122) (section 4.2.2.13) for more information.
+     *
+     * If `pauseOnConnect` is set to `true`, then the socket associated with each
+     * incoming connection will be paused, and no data will be read from its handle.
+     * This allows connections to be passed between processes without any data being
+     * read by the original process. To begin reading data from a paused socket, call `socket.resume()`.
+     *
+     * The server can be a TCP server or an `IPC` server, depending on what it `listen()` to.
+     *
+     * Here is an example of a TCP echo server which listens for connections
+     * on port 8124:
+     *
+     * ```js
+     * const net = require('net');
+     * const server = net.createServer((c) => {
+     *   // 'connection' listener.
+     *   console.log('client connected');
+     *   c.on('end', () => {
+     *     console.log('client disconnected');
+     *   });
+     *   c.write('hello\r\n');
+     *   c.pipe(c);
+     * });
+     * server.on('error', (err) => {
+     *   throw err;
+     * });
+     * server.listen(8124, () => {
+     *   console.log('server bound');
+     * });
+     * ```
+     *
+     * Test this by using `telnet`:
+     *
+     * ```console
+     * $ telnet localhost 8124
+     * ```
+     *
+     * To listen on the socket `/tmp/echo.sock`:
+     *
+     * ```js
+     * server.listen('/tmp/echo.sock', () => {
+     *   console.log('server bound');
+     * });
+     * ```
+     *
+     * Use `nc` to connect to a Unix domain socket server:
+     *
+     * ```console
+     * $ nc -U /tmp/echo.sock
+     * ```
+     * @since v0.5.0
+     * @param connectionListener Automatically set as a listener for the {@link 'connection'} event.
+     */
+    function createServer(connectionListener?: (socket: Socket) => void): Server;
+    function createServer(options?: ServerOpts, connectionListener?: (socket: Socket) => void): Server;
+    /**
+     * Aliases to {@link createConnection}.
+     *
+     * Possible signatures:
+     *
+     * * {@link connect}
+     * * {@link connect} for `IPC` connections.
+     * * {@link connect} for TCP connections.
+     */
+    function connect(options: NetConnectOpts, connectionListener?: () => void): Socket;
+    function connect(port: number, host?: string, connectionListener?: () => void): Socket;
+    function connect(path: string, connectionListener?: () => void): Socket;
+    /**
+     * A factory function, which creates a new {@link Socket},
+     * immediately initiates connection with `socket.connect()`,
+     * then returns the `net.Socket` that starts the connection.
+     *
+     * When the connection is established, a `'connect'` event will be emitted
+     * on the returned socket. The last parameter `connectListener`, if supplied,
+     * will be added as a listener for the `'connect'` event **once**.
+     *
+     * Possible signatures:
+     *
+     * * {@link createConnection}
+     * * {@link createConnection} for `IPC` connections.
+     * * {@link createConnection} for TCP connections.
+     *
+     * The {@link connect} function is an alias to this function.
+     */
+    function createConnection(options: NetConnectOpts, connectionListener?: () => void): Socket;
+    function createConnection(port: number, host?: string, connectionListener?: () => void): Socket;
+    function createConnection(path: string, connectionListener?: () => void): Socket;
+    /**
+     * Returns `6` if `input` is an IPv6 address. Returns `4` if `input` is an IPv4
+     * address in [dot-decimal notation](https://en.wikipedia.org/wiki/Dot-decimal_notation) with no leading zeroes. Otherwise, returns`0`.
+     *
+     * ```js
+     * net.isIP('::1'); // returns 6
+     * net.isIP('127.0.0.1'); // returns 4
+     * net.isIP('127.000.000.001'); // returns 0
+     * net.isIP('127.0.0.1/24'); // returns 0
+     * net.isIP('fhqwhgads'); // returns 0
+     * ```
+     * @since v0.3.0
+     */
+    function isIP(input: string): number;
+    /**
+     * Returns `true` if `input` is an IPv4 address in [dot-decimal notation](https://en.wikipedia.org/wiki/Dot-decimal_notation) with no
+     * leading zeroes. Otherwise, returns `false`.
+     *
+     * ```js
+     * net.isIPv4('127.0.0.1'); // returns true
+     * net.isIPv4('127.000.000.001'); // returns false
+     * net.isIPv4('127.0.0.1/24'); // returns false
+     * net.isIPv4('fhqwhgads'); // returns false
+     * ```
+     * @since v0.3.0
+     */
+    function isIPv4(input: string): boolean;
+    /**
+     * Returns `true` if `input` is an IPv6 address. Otherwise, returns `false`.
+     *
+     * ```js
+     * net.isIPv6('::1'); // returns true
+     * net.isIPv6('fhqwhgads'); // returns false
+     * ```
+     * @since v0.3.0
+     */
+    function isIPv6(input: string): boolean;
+    interface SocketAddressInitOptions {
+        /**
+         * The network address as either an IPv4 or IPv6 string.
+         * @default 127.0.0.1
+         */
+        address?: string | undefined;
+        /**
+         * @default `'ipv4'`
+         */
+        family?: IPVersion | undefined;
+        /**
+         * An IPv6 flow-label used only if `family` is `'ipv6'`.
+         * @default 0
+         */
+        flowlabel?: number | undefined;
+        /**
+         * An IP port.
+         * @default 0
+         */
+        port?: number | undefined;
+    }
+    /**
+     * @since v15.14.0, v14.18.0
+     */
+    class SocketAddress {
+        constructor(options: SocketAddressInitOptions);
+        /**
+         * Either \`'ipv4'\` or \`'ipv6'\`.
+         * @since v15.14.0, v14.18.0
+         */
+        readonly address: string;
+        /**
+         * Either \`'ipv4'\` or \`'ipv6'\`.
+         * @since v15.14.0, v14.18.0
+         */
+        readonly family: IPVersion;
+        /**
+         * @since v15.14.0, v14.18.0
+         */
+        readonly port: number;
+        /**
+         * @since v15.14.0, v14.18.0
+         */
+        readonly flowlabel: number;
+    }
+}
+declare module 'node:net' {
+    export * from 'net';
+}
diff --git a/node_modules/@types/node/os.d.ts b/node_modules/@types/node/os.d.ts
new file mode 100644
index 000000000..100c8fcb1
--- /dev/null
+++ b/node_modules/@types/node/os.d.ts
@@ -0,0 +1,465 @@
+/**
+ * The `os` module provides operating system-related utility methods and
+ * properties. It can be accessed using:
+ *
+ * ```js
+ * const os = require('os');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/os.js)
+ */
+declare module 'os' {
+    interface CpuInfo {
+        model: string;
+        speed: number;
+        times: {
+            user: number;
+            nice: number;
+            sys: number;
+            idle: number;
+            irq: number;
+        };
+    }
+    interface NetworkInterfaceBase {
+        address: string;
+        netmask: string;
+        mac: string;
+        internal: boolean;
+        cidr: string | null;
+    }
+    interface NetworkInterfaceInfoIPv4 extends NetworkInterfaceBase {
+        family: 'IPv4';
+    }
+    interface NetworkInterfaceInfoIPv6 extends NetworkInterfaceBase {
+        family: 'IPv6';
+        scopeid: number;
+    }
+    interface UserInfo<T> {
+        username: T;
+        uid: number;
+        gid: number;
+        shell: T;
+        homedir: T;
+    }
+    type NetworkInterfaceInfo = NetworkInterfaceInfoIPv4 | NetworkInterfaceInfoIPv6;
+    /**
+     * Returns the host name of the operating system as a string.
+     * @since v0.3.3
+     */
+    function hostname(): string;
+    /**
+     * Returns an array containing the 1, 5, and 15 minute load averages.
+     *
+     * The load average is a measure of system activity calculated by the operating
+     * system and expressed as a fractional number.
+     *
+     * The load average is a Unix-specific concept. On Windows, the return value is
+     * always `[0, 0, 0]`.
+     * @since v0.3.3
+     */
+    function loadavg(): number[];
+    /**
+     * Returns the system uptime in number of seconds.
+     * @since v0.3.3
+     */
+    function uptime(): number;
+    /**
+     * Returns the amount of free system memory in bytes as an integer.
+     * @since v0.3.3
+     */
+    function freemem(): number;
+    /**
+     * Returns the total amount of system memory in bytes as an integer.
+     * @since v0.3.3
+     */
+    function totalmem(): number;
+    /**
+     * Returns an array of objects containing information about each logical CPU core.
+     *
+     * The properties included on each object include:
+     *
+     * ```js
+     * [
+     *   {
+     *     model: 'Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz',
+     *     speed: 2926,
+     *     times: {
+     *       user: 252020,
+     *       nice: 0,
+     *       sys: 30340,
+     *       idle: 1070356870,
+     *       irq: 0
+     *     }
+     *   },
+     *   {
+     *     model: 'Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz',
+     *     speed: 2926,
+     *     times: {
+     *       user: 306960,
+     *       nice: 0,
+     *       sys: 26980,
+     *       idle: 1071569080,
+     *       irq: 0
+     *     }
+     *   },
+     *   {
+     *     model: 'Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz',
+     *     speed: 2926,
+     *     times: {
+     *       user: 248450,
+     *       nice: 0,
+     *       sys: 21750,
+     *       idle: 1070919370,
+     *       irq: 0
+     *     }
+     *   },
+     *   {
+     *     model: 'Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz',
+     *     speed: 2926,
+     *     times: {
+     *       user: 256880,
+     *       nice: 0,
+     *       sys: 19430,
+     *       idle: 1070905480,
+     *       irq: 20
+     *     }
+     *   },
+     * ]
+     * ```
+     *
+     * `nice` values are POSIX-only. On Windows, the `nice` values of all processors
+     * are always 0.
+     * @since v0.3.3
+     */
+    function cpus(): CpuInfo[];
+    /**
+     * Returns the operating system name as returned by [`uname(3)`](https://linux.die.net/man/3/uname). For example, it
+     * returns `'Linux'` on Linux, `'Darwin'` on macOS, and `'Windows_NT'` on Windows.
+     *
+     * See [https://en.wikipedia.org/wiki/Uname#Examples](https://en.wikipedia.org/wiki/Uname#Examples) for additional information
+     * about the output of running [`uname(3)`](https://linux.die.net/man/3/uname) on various operating systems.
+     * @since v0.3.3
+     */
+    function type(): string;
+    /**
+     * Returns the operating system as a string.
+     *
+     * On POSIX systems, the operating system release is determined by calling [`uname(3)`](https://linux.die.net/man/3/uname). On Windows, `GetVersionExW()` is used. See
+     * [https://en.wikipedia.org/wiki/Uname#Examples](https://en.wikipedia.org/wiki/Uname#Examples) for more information.
+     * @since v0.3.3
+     */
+    function release(): string;
+    /**
+     * Returns an object containing network interfaces that have been assigned a
+     * network address.
+     *
+     * Each key on the returned object identifies a network interface. The associated
+     * value is an array of objects that each describe an assigned network address.
+     *
+     * The properties available on the assigned network address object include:
+     *
+     * ```js
+     * {
+     *   lo: [
+     *     {
+     *       address: '127.0.0.1',
+     *       netmask: '255.0.0.0',
+     *       family: 'IPv4',
+     *       mac: '00:00:00:00:00:00',
+     *       internal: true,
+     *       cidr: '127.0.0.1/8'
+     *     },
+     *     {
+     *       address: '::1',
+     *       netmask: 'ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff',
+     *       family: 'IPv6',
+     *       mac: '00:00:00:00:00:00',
+     *       scopeid: 0,
+     *       internal: true,
+     *       cidr: '::1/128'
+     *     }
+     *   ],
+     *   eth0: [
+     *     {
+     *       address: '192.168.1.108',
+     *       netmask: '255.255.255.0',
+     *       family: 'IPv4',
+     *       mac: '01:02:03:0a:0b:0c',
+     *       internal: false,
+     *       cidr: '192.168.1.108/24'
+     *     },
+     *     {
+     *       address: 'fe80::a00:27ff:fe4e:66a1',
+     *       netmask: 'ffff:ffff:ffff:ffff::',
+     *       family: 'IPv6',
+     *       mac: '01:02:03:0a:0b:0c',
+     *       scopeid: 1,
+     *       internal: false,
+     *       cidr: 'fe80::a00:27ff:fe4e:66a1/64'
+     *     }
+     *   ]
+     * }
+     * ```
+     * @since v0.6.0
+     */
+    function networkInterfaces(): NodeJS.Dict<NetworkInterfaceInfo[]>;
+    /**
+     * Returns the string path of the current user's home directory.
+     *
+     * On POSIX, it uses the `$HOME` environment variable if defined. Otherwise it
+     * uses the [effective UID](https://en.wikipedia.org/wiki/User_identifier#Effective_user_ID) to look up the user's home directory.
+     *
+     * On Windows, it uses the `USERPROFILE` environment variable if defined.
+     * Otherwise it uses the path to the profile directory of the current user.
+     * @since v2.3.0
+     */
+    function homedir(): string;
+    /**
+     * Returns information about the currently effective user. On POSIX platforms,
+     * this is typically a subset of the password file. The returned object includes
+     * the `username`, `uid`, `gid`, `shell`, and `homedir`. On Windows, the `uid` and`gid` fields are `-1`, and `shell` is `null`.
+     *
+     * The value of `homedir` returned by `os.userInfo()` is provided by the operating
+     * system. This differs from the result of `os.homedir()`, which queries
+     * environment variables for the home directory before falling back to the
+     * operating system response.
+     *
+     * Throws a `SystemError` if a user has no `username` or `homedir`.
+     * @since v6.0.0
+     */
+    function userInfo(options: { encoding: 'buffer' }): UserInfo<Buffer>;
+    function userInfo(options?: { encoding: BufferEncoding }): UserInfo<string>;
+    type SignalConstants = {
+        [key in NodeJS.Signals]: number;
+    };
+    namespace constants {
+        const UV_UDP_REUSEADDR: number;
+        namespace signals {}
+        const signals: SignalConstants;
+        namespace errno {
+            const E2BIG: number;
+            const EACCES: number;
+            const EADDRINUSE: number;
+            const EADDRNOTAVAIL: number;
+            const EAFNOSUPPORT: number;
+            const EAGAIN: number;
+            const EALREADY: number;
+            const EBADF: number;
+            const EBADMSG: number;
+            const EBUSY: number;
+            const ECANCELED: number;
+            const ECHILD: number;
+            const ECONNABORTED: number;
+            const ECONNREFUSED: number;
+            const ECONNRESET: number;
+            const EDEADLK: number;
+            const EDESTADDRREQ: number;
+            const EDOM: number;
+            const EDQUOT: number;
+            const EEXIST: number;
+            const EFAULT: number;
+            const EFBIG: number;
+            const EHOSTUNREACH: number;
+            const EIDRM: number;
+            const EILSEQ: number;
+            const EINPROGRESS: number;
+            const EINTR: number;
+            const EINVAL: number;
+            const EIO: number;
+            const EISCONN: number;
+            const EISDIR: number;
+            const ELOOP: number;
+            const EMFILE: number;
+            const EMLINK: number;
+            const EMSGSIZE: number;
+            const EMULTIHOP: number;
+            const ENAMETOOLONG: number;
+            const ENETDOWN: number;
+            const ENETRESET: number;
+            const ENETUNREACH: number;
+            const ENFILE: number;
+            const ENOBUFS: number;
+            const ENODATA: number;
+            const ENODEV: number;
+            const ENOENT: number;
+            const ENOEXEC: number;
+            const ENOLCK: number;
+            const ENOLINK: number;
+            const ENOMEM: number;
+            const ENOMSG: number;
+            const ENOPROTOOPT: number;
+            const ENOSPC: number;
+            const ENOSR: number;
+            const ENOSTR: number;
+            const ENOSYS: number;
+            const ENOTCONN: number;
+            const ENOTDIR: number;
+            const ENOTEMPTY: number;
+            const ENOTSOCK: number;
+            const ENOTSUP: number;
+            const ENOTTY: number;
+            const ENXIO: number;
+            const EOPNOTSUPP: number;
+            const EOVERFLOW: number;
+            const EPERM: number;
+            const EPIPE: number;
+            const EPROTO: number;
+            const EPROTONOSUPPORT: number;
+            const EPROTOTYPE: number;
+            const ERANGE: number;
+            const EROFS: number;
+            const ESPIPE: number;
+            const ESRCH: number;
+            const ESTALE: number;
+            const ETIME: number;
+            const ETIMEDOUT: number;
+            const ETXTBSY: number;
+            const EWOULDBLOCK: number;
+            const EXDEV: number;
+            const WSAEINTR: number;
+            const WSAEBADF: number;
+            const WSAEACCES: number;
+            const WSAEFAULT: number;
+            const WSAEINVAL: number;
+            const WSAEMFILE: number;
+            const WSAEWOULDBLOCK: number;
+            const WSAEINPROGRESS: number;
+            const WSAEALREADY: number;
+            const WSAENOTSOCK: number;
+            const WSAEDESTADDRREQ: number;
+            const WSAEMSGSIZE: number;
+            const WSAEPROTOTYPE: number;
+            const WSAENOPROTOOPT: number;
+            const WSAEPROTONOSUPPORT: number;
+            const WSAESOCKTNOSUPPORT: number;
+            const WSAEOPNOTSUPP: number;
+            const WSAEPFNOSUPPORT: number;
+            const WSAEAFNOSUPPORT: number;
+            const WSAEADDRINUSE: number;
+            const WSAEADDRNOTAVAIL: number;
+            const WSAENETDOWN: number;
+            const WSAENETUNREACH: number;
+            const WSAENETRESET: number;
+            const WSAECONNABORTED: number;
+            const WSAECONNRESET: number;
+            const WSAENOBUFS: number;
+            const WSAEISCONN: number;
+            const WSAENOTCONN: number;
+            const WSAESHUTDOWN: number;
+            const WSAETOOMANYREFS: number;
+            const WSAETIMEDOUT: number;
+            const WSAECONNREFUSED: number;
+            const WSAELOOP: number;
+            const WSAENAMETOOLONG: number;
+            const WSAEHOSTDOWN: number;
+            const WSAEHOSTUNREACH: number;
+            const WSAENOTEMPTY: number;
+            const WSAEPROCLIM: number;
+            const WSAEUSERS: number;
+            const WSAEDQUOT: number;
+            const WSAESTALE: number;
+            const WSAEREMOTE: number;
+            const WSASYSNOTREADY: number;
+            const WSAVERNOTSUPPORTED: number;
+            const WSANOTINITIALISED: number;
+            const WSAEDISCON: number;
+            const WSAENOMORE: number;
+            const WSAECANCELLED: number;
+            const WSAEINVALIDPROCTABLE: number;
+            const WSAEINVALIDPROVIDER: number;
+            const WSAEPROVIDERFAILEDINIT: number;
+            const WSASYSCALLFAILURE: number;
+            const WSASERVICE_NOT_FOUND: number;
+            const WSATYPE_NOT_FOUND: number;
+            const WSA_E_NO_MORE: number;
+            const WSA_E_CANCELLED: number;
+            const WSAEREFUSED: number;
+        }
+        namespace priority {
+            const PRIORITY_LOW: number;
+            const PRIORITY_BELOW_NORMAL: number;
+            const PRIORITY_NORMAL: number;
+            const PRIORITY_ABOVE_NORMAL: number;
+            const PRIORITY_HIGH: number;
+            const PRIORITY_HIGHEST: number;
+        }
+    }
+    const devNull: string;
+    const EOL: string;
+    /**
+     * Returns the operating system CPU architecture for which the Node.js binary was
+     * compiled. Possible values are `'arm'`, `'arm64'`, `'ia32'`, `'mips'`,`'mipsel'`, `'ppc'`, `'ppc64'`, `'s390'`, `'s390x'`, and `'x64'`.
+     *
+     * The return value is equivalent to `process.arch`.
+     * @since v0.5.0
+     */
+    function arch(): string;
+    /**
+     * Returns a string identifying the kernel version.
+     *
+     * On POSIX systems, the operating system release is determined by calling [`uname(3)`](https://linux.die.net/man/3/uname). On Windows, `RtlGetVersion()` is used, and if it is not
+     * available, `GetVersionExW()` will be used. See [https://en.wikipedia.org/wiki/Uname#Examples](https://en.wikipedia.org/wiki/Uname#Examples) for more information.
+     * @since v13.11.0, v12.17.0
+     */
+    function version(): string;
+    /**
+     * Returns a string identifying the operating system platform for which
+     * the Node.js binary was compiled. The value is set at compile time.
+     * Possible values are `'aix'`, `'darwin'`, `'freebsd'`,`'linux'`,`'openbsd'`, `'sunos'`, and `'win32'`.
+     *
+     * The return value is equivalent to `process.platform`.
+     *
+     * The value `'android'` may also be returned if Node.js is built on the Android
+     * operating system. [Android support is experimental](https://github.com/nodejs/node/blob/HEAD/BUILDING.md#androidandroid-based-devices-eg-firefox-os).
+     * @since v0.5.0
+     */
+    function platform(): NodeJS.Platform;
+    /**
+     * Returns the machine type as a string, such as arm, aarch64, mips, mips64, ppc64, ppc64le, s390, s390x, i386, i686, x86_64.
+     *
+     * On POSIX systems, the machine type is determined by calling [`uname(3)`](https://linux.die.net/man/3/uname).
+     * On Windows, `RtlGetVersion()` is used, and if it is not available, `GetVersionExW()` will be used.
+     * See [https://en.wikipedia.org/wiki/Uname#Examples](https://en.wikipedia.org/wiki/Uname#Examples) for more information.
+     * @since v18.9.0
+     */
+    function machine(): string;
+    /**
+     * Returns the operating system's default directory for temporary files as a
+     * string.
+     * @since v0.9.9
+     */
+    function tmpdir(): string;
+    /**
+     * Returns a string identifying the endianness of the CPU for which the Node.js
+     * binary was compiled.
+     *
+     * Possible values are `'BE'` for big endian and `'LE'` for little endian.
+     * @since v0.9.4
+     */
+    function endianness(): 'BE' | 'LE';
+    /**
+     * Returns the scheduling priority for the process specified by `pid`. If `pid` is
+     * not provided or is `0`, the priority of the current process is returned.
+     * @since v10.10.0
+     * @param [pid=0] The process ID to retrieve scheduling priority for.
+     */
+    function getPriority(pid?: number): number;
+    /**
+     * Attempts to set the scheduling priority for the process specified by `pid`. If`pid` is not provided or is `0`, the process ID of the current process is used.
+     *
+     * The `priority` input must be an integer between `-20` (high priority) and `19`(low priority). Due to differences between Unix priority levels and Windows
+     * priority classes, `priority` is mapped to one of six priority constants in`os.constants.priority`. When retrieving a process priority level, this range
+     * mapping may cause the return value to be slightly different on Windows. To avoid
+     * confusion, set `priority` to one of the priority constants.
+     *
+     * On Windows, setting priority to `PRIORITY_HIGHEST` requires elevated user
+     * privileges. Otherwise the set priority will be silently reduced to`PRIORITY_HIGH`.
+     * @since v10.10.0
+     * @param [pid=0] The process ID to set scheduling priority for.
+     * @param priority The scheduling priority to assign to the process.
+     */
+    function setPriority(priority: number): void;
+    function setPriority(pid: number, priority: number): void;
+}
+declare module 'node:os' {
+    export * from 'os';
+}
diff --git a/node_modules/@types/node/package.json b/node_modules/@types/node/package.json
new file mode 100644
index 000000000..0471d9464
--- /dev/null
+++ b/node_modules/@types/node/package.json
@@ -0,0 +1,232 @@
+{
+    "name": "@types/node",
+    "version": "18.7.21",
+    "description": "TypeScript definitions for Node.js",
+    "homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/node",
+    "license": "MIT",
+    "contributors": [
+        {
+            "name": "Microsoft TypeScript",
+            "url": "https://github.com/Microsoft",
+            "githubUsername": "Microsoft"
+        },
+        {
+            "name": "DefinitelyTyped",
+            "url": "https://github.com/DefinitelyTyped",
+            "githubUsername": "DefinitelyTyped"
+        },
+        {
+            "name": "Alberto Schiabel",
+            "url": "https://github.com/jkomyno",
+            "githubUsername": "jkomyno"
+        },
+        {
+            "name": "Alvis HT Tang",
+            "url": "https://github.com/alvis",
+            "githubUsername": "alvis"
+        },
+        {
+            "name": "Andrew Makarov",
+            "url": "https://github.com/r3nya",
+            "githubUsername": "r3nya"
+        },
+        {
+            "name": "Benjamin Toueg",
+            "url": "https://github.com/btoueg",
+            "githubUsername": "btoueg"
+        },
+        {
+            "name": "Chigozirim C.",
+            "url": "https://github.com/smac89",
+            "githubUsername": "smac89"
+        },
+        {
+            "name": "David Junger",
+            "url": "https://github.com/touffy",
+            "githubUsername": "touffy"
+        },
+        {
+            "name": "Deividas Bakanas",
+            "url": "https://github.com/DeividasBakanas",
+            "githubUsername": "DeividasBakanas"
+        },
+        {
+            "name": "Eugene Y. Q. Shen",
+            "url": "https://github.com/eyqs",
+            "githubUsername": "eyqs"
+        },
+        {
+            "name": "Hannes Magnusson",
+            "url": "https://github.com/Hannes-Magnusson-CK",
+            "githubUsername": "Hannes-Magnusson-CK"
+        },
+        {
+            "name": "Huw",
+            "url": "https://github.com/hoo29",
+            "githubUsername": "hoo29"
+        },
+        {
+            "name": "Kelvin Jin",
+            "url": "https://github.com/kjin",
+            "githubUsername": "kjin"
+        },
+        {
+            "name": "Klaus Meinhardt",
+            "url": "https://github.com/ajafff",
+            "githubUsername": "ajafff"
+        },
+        {
+            "name": "Lishude",
+            "url": "https://github.com/islishude",
+            "githubUsername": "islishude"
+        },
+        {
+            "name": "Mariusz Wiktorczyk",
+            "url": "https://github.com/mwiktorczyk",
+            "githubUsername": "mwiktorczyk"
+        },
+        {
+            "name": "Mohsen Azimi",
+            "url": "https://github.com/mohsen1",
+            "githubUsername": "mohsen1"
+        },
+        {
+            "name": "Nicolas Even",
+            "url": "https://github.com/n-e",
+            "githubUsername": "n-e"
+        },
+        {
+            "name": "Nikita Galkin",
+            "url": "https://github.com/galkin",
+            "githubUsername": "galkin"
+        },
+        {
+            "name": "Parambir Singh",
+            "url": "https://github.com/parambirs",
+            "githubUsername": "parambirs"
+        },
+        {
+            "name": "Sebastian Silbermann",
+            "url": "https://github.com/eps1lon",
+            "githubUsername": "eps1lon"
+        },
+        {
+            "name": "Simon Schick",
+            "url": "https://github.com/SimonSchick",
+            "githubUsername": "SimonSchick"
+        },
+        {
+            "name": "Thomas den Hollander",
+            "url": "https://github.com/ThomasdenH",
+            "githubUsername": "ThomasdenH"
+        },
+        {
+            "name": "Wilco Bakker",
+            "url": "https://github.com/WilcoBakker",
+            "githubUsername": "WilcoBakker"
+        },
+        {
+            "name": "wwwy3y3",
+            "url": "https://github.com/wwwy3y3",
+            "githubUsername": "wwwy3y3"
+        },
+        {
+            "name": "Samuel Ainsworth",
+            "url": "https://github.com/samuela",
+            "githubUsername": "samuela"
+        },
+        {
+            "name": "Kyle Uehlein",
+            "url": "https://github.com/kuehlein",
+            "githubUsername": "kuehlein"
+        },
+        {
+            "name": "Thanik Bhongbhibhat",
+            "url": "https://github.com/bhongy",
+            "githubUsername": "bhongy"
+        },
+        {
+            "name": "Marcin Kopacz",
+            "url": "https://github.com/chyzwar",
+            "githubUsername": "chyzwar"
+        },
+        {
+            "name": "Trivikram Kamat",
+            "url": "https://github.com/trivikr",
+            "githubUsername": "trivikr"
+        },
+        {
+            "name": "Junxiao Shi",
+            "url": "https://github.com/yoursunny",
+            "githubUsername": "yoursunny"
+        },
+        {
+            "name": "Ilia Baryshnikov",
+            "url": "https://github.com/qwelias",
+            "githubUsername": "qwelias"
+        },
+        {
+            "name": "ExE Boss",
+            "url": "https://github.com/ExE-Boss",
+            "githubUsername": "ExE-Boss"
+        },
+        {
+            "name": "Piotr Błażejewicz",
+            "url": "https://github.com/peterblazejewicz",
+            "githubUsername": "peterblazejewicz"
+        },
+        {
+            "name": "Anna Henningsen",
+            "url": "https://github.com/addaleax",
+            "githubUsername": "addaleax"
+        },
+        {
+            "name": "Victor Perin",
+            "url": "https://github.com/victorperin",
+            "githubUsername": "victorperin"
+        },
+        {
+            "name": "Yongsheng Zhang",
+            "url": "https://github.com/ZYSzys",
+            "githubUsername": "ZYSzys"
+        },
+        {
+            "name": "NodeJS Contributors",
+            "url": "https://github.com/NodeJS",
+            "githubUsername": "NodeJS"
+        },
+        {
+            "name": "Linus Unnebäck",
+            "url": "https://github.com/LinusU",
+            "githubUsername": "LinusU"
+        },
+        {
+            "name": "wafuwafu13",
+            "url": "https://github.com/wafuwafu13",
+            "githubUsername": "wafuwafu13"
+        },
+        {
+            "name": "Matteo Collina",
+            "url": "https://github.com/mcollina",
+            "githubUsername": "mcollina"
+        }
+    ],
+    "main": "",
+    "types": "index.d.ts",
+    "typesVersions": {
+        "<4.9.0-0": {
+            "*": [
+                "ts4.8/*"
+            ]
+        }
+    },
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/DefinitelyTyped/DefinitelyTyped.git",
+        "directory": "types/node"
+    },
+    "scripts": {},
+    "dependencies": {},
+    "typesPublisherContentHash": "72aba42e9ffd928ef1a15d5349c472cf7a0dcf48d2dfaab418d158a394e2c8d1",
+    "typeScriptVersion": "4.1"
+}
\ No newline at end of file
diff --git a/node_modules/@types/node/path.d.ts b/node_modules/@types/node/path.d.ts
new file mode 100644
index 000000000..2d643b29b
--- /dev/null
+++ b/node_modules/@types/node/path.d.ts
@@ -0,0 +1,191 @@
+declare module 'path/posix' {
+    import path = require('path');
+    export = path;
+}
+declare module 'path/win32' {
+    import path = require('path');
+    export = path;
+}
+/**
+ * The `path` module provides utilities for working with file and directory paths.
+ * It can be accessed using:
+ *
+ * ```js
+ * const path = require('path');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/path.js)
+ */
+declare module 'path' {
+    namespace path {
+        /**
+         * A parsed path object generated by path.parse() or consumed by path.format().
+         */
+        interface ParsedPath {
+            /**
+             * The root of the path such as '/' or 'c:\'
+             */
+            root: string;
+            /**
+             * The full directory path such as '/home/user/dir' or 'c:\path\dir'
+             */
+            dir: string;
+            /**
+             * The file name including extension (if any) such as 'index.html'
+             */
+            base: string;
+            /**
+             * The file extension (if any) such as '.html'
+             */
+            ext: string;
+            /**
+             * The file name without extension (if any) such as 'index'
+             */
+            name: string;
+        }
+        interface FormatInputPathObject {
+            /**
+             * The root of the path such as '/' or 'c:\'
+             */
+            root?: string | undefined;
+            /**
+             * The full directory path such as '/home/user/dir' or 'c:\path\dir'
+             */
+            dir?: string | undefined;
+            /**
+             * The file name including extension (if any) such as 'index.html'
+             */
+            base?: string | undefined;
+            /**
+             * The file extension (if any) such as '.html'
+             */
+            ext?: string | undefined;
+            /**
+             * The file name without extension (if any) such as 'index'
+             */
+            name?: string | undefined;
+        }
+        interface PlatformPath {
+            /**
+             * Normalize a string path, reducing '..' and '.' parts.
+             * When multiple slashes are found, they're replaced by a single one; when the path contains a trailing slash, it is preserved. On Windows backslashes are used.
+             *
+             * @param path string path to normalize.
+             * @throws {TypeError} if `path` is not a string.
+             */
+            normalize(path: string): string;
+            /**
+             * Join all arguments together and normalize the resulting path.
+             *
+             * @param paths paths to join.
+             * @throws {TypeError} if any of the path segments is not a string.
+             */
+            join(...paths: string[]): string;
+            /**
+             * The right-most parameter is considered {to}. Other parameters are considered an array of {from}.
+             *
+             * Starting from leftmost {from} parameter, resolves {to} to an absolute path.
+             *
+             * If {to} isn't already absolute, {from} arguments are prepended in right to left order,
+             * until an absolute path is found. If after using all {from} paths still no absolute path is found,
+             * the current working directory is used as well. The resulting path is normalized,
+             * and trailing slashes are removed unless the path gets resolved to the root directory.
+             *
+             * @param paths A sequence of paths or path segments.
+             * @throws {TypeError} if any of the arguments is not a string.
+             */
+            resolve(...paths: string[]): string;
+            /**
+             * Determines whether {path} is an absolute path. An absolute path will always resolve to the same location, regardless of the working directory.
+             *
+             * If the given {path} is a zero-length string, `false` will be returned.
+             *
+             * @param path path to test.
+             * @throws {TypeError} if `path` is not a string.
+             */
+            isAbsolute(path: string): boolean;
+            /**
+             * Solve the relative path from {from} to {to} based on the current working directory.
+             * At times we have two absolute paths, and we need to derive the relative path from one to the other. This is actually the reverse transform of path.resolve.
+             *
+             * @throws {TypeError} if either `from` or `to` is not a string.
+             */
+            relative(from: string, to: string): string;
+            /**
+             * Return the directory name of a path. Similar to the Unix dirname command.
+             *
+             * @param path the path to evaluate.
+             * @throws {TypeError} if `path` is not a string.
+             */
+            dirname(path: string): string;
+            /**
+             * Return the last portion of a path. Similar to the Unix basename command.
+             * Often used to extract the file name from a fully qualified path.
+             *
+             * @param path the path to evaluate.
+             * @param ext optionally, an extension to remove from the result.
+             * @throws {TypeError} if `path` is not a string or if `ext` is given and is not a string.
+             */
+            basename(path: string, ext?: string): string;
+            /**
+             * Return the extension of the path, from the last '.' to end of string in the last portion of the path.
+             * If there is no '.' in the last portion of the path or the first character of it is '.', then it returns an empty string.
+             *
+             * @param path the path to evaluate.
+             * @throws {TypeError} if `path` is not a string.
+             */
+            extname(path: string): string;
+            /**
+             * The platform-specific file separator. '\\' or '/'.
+             */
+            readonly sep: '\\' | '/';
+            /**
+             * The platform-specific file delimiter. ';' or ':'.
+             */
+            readonly delimiter: ';' | ':';
+            /**
+             * Returns an object from a path string - the opposite of format().
+             *
+             * @param path path to evaluate.
+             * @throws {TypeError} if `path` is not a string.
+             */
+            parse(path: string): ParsedPath;
+            /**
+             * Returns a path string from an object - the opposite of parse().
+             *
+             * @param pathObject path to evaluate.
+             */
+            format(pathObject: FormatInputPathObject): string;
+            /**
+             * On Windows systems only, returns an equivalent namespace-prefixed path for the given path.
+             * If path is not a string, path will be returned without modifications.
+             * This method is meaningful only on Windows system.
+             * On POSIX systems, the method is non-operational and always returns path without modifications.
+             */
+            toNamespacedPath(path: string): string;
+            /**
+             * Posix specific pathing.
+             * Same as parent object on posix.
+             */
+            readonly posix: PlatformPath;
+            /**
+             * Windows specific pathing.
+             * Same as parent object on windows
+             */
+            readonly win32: PlatformPath;
+        }
+    }
+    const path: path.PlatformPath;
+    export = path;
+}
+declare module 'node:path' {
+    import path = require('path');
+    export = path;
+}
+declare module 'node:path/posix' {
+    import path = require('path/posix');
+    export = path;
+}
+declare module 'node:path/win32' {
+    import path = require('path/win32');
+    export = path;
+}
diff --git a/node_modules/@types/node/perf_hooks.d.ts b/node_modules/@types/node/perf_hooks.d.ts
new file mode 100644
index 000000000..cf02a16e7
--- /dev/null
+++ b/node_modules/@types/node/perf_hooks.d.ts
@@ -0,0 +1,610 @@
+/**
+ * This module provides an implementation of a subset of the W3C [Web Performance APIs](https://w3c.github.io/perf-timing-primer/) as well as additional APIs for
+ * Node.js-specific performance measurements.
+ *
+ * Node.js supports the following [Web Performance APIs](https://w3c.github.io/perf-timing-primer/):
+ *
+ * * [High Resolution Time](https://www.w3.org/TR/hr-time-2)
+ * * [Performance Timeline](https://w3c.github.io/performance-timeline/)
+ * * [User Timing](https://www.w3.org/TR/user-timing/)
+ *
+ * ```js
+ * const { PerformanceObserver, performance } = require('perf_hooks');
+ *
+ * const obs = new PerformanceObserver((items) => {
+ *   console.log(items.getEntries()[0].duration);
+ *   performance.clearMarks();
+ * });
+ * obs.observe({ type: 'measure' });
+ * performance.measure('Start to Now');
+ *
+ * performance.mark('A');
+ * doSomeLongRunningProcess(() => {
+ *   performance.measure('A to Now', 'A');
+ *
+ *   performance.mark('B');
+ *   performance.measure('A to B', 'A', 'B');
+ * });
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/perf_hooks.js)
+ */
+declare module 'perf_hooks' {
+    import { AsyncResource } from 'node:async_hooks';
+    type EntryType = 'node' | 'mark' | 'measure' | 'gc' | 'function' | 'http2' | 'http';
+    interface NodeGCPerformanceDetail {
+        /**
+         * When `performanceEntry.entryType` is equal to 'gc', `the performance.kind` property identifies
+         * the type of garbage collection operation that occurred.
+         * See perf_hooks.constants for valid values.
+         */
+        readonly kind?: number | undefined;
+        /**
+         * When `performanceEntry.entryType` is equal to 'gc', the `performance.flags`
+         * property contains additional information about garbage collection operation.
+         * See perf_hooks.constants for valid values.
+         */
+        readonly flags?: number | undefined;
+    }
+    /**
+     * @since v8.5.0
+     */
+    class PerformanceEntry {
+        protected constructor();
+        /**
+         * The total number of milliseconds elapsed for this entry. This value will not
+         * be meaningful for all Performance Entry types.
+         * @since v8.5.0
+         */
+        readonly duration: number;
+        /**
+         * The name of the performance entry.
+         * @since v8.5.0
+         */
+        readonly name: string;
+        /**
+         * The high resolution millisecond timestamp marking the starting time of the
+         * Performance Entry.
+         * @since v8.5.0
+         */
+        readonly startTime: number;
+        /**
+         * The type of the performance entry. It may be one of:
+         *
+         * * `'node'` (Node.js only)
+         * * `'mark'` (available on the Web)
+         * * `'measure'` (available on the Web)
+         * * `'gc'` (Node.js only)
+         * * `'function'` (Node.js only)
+         * * `'http2'` (Node.js only)
+         * * `'http'` (Node.js only)
+         * @since v8.5.0
+         */
+        readonly entryType: EntryType;
+        /**
+         * Additional detail specific to the `entryType`.
+         * @since v16.0.0
+         */
+        readonly detail?: NodeGCPerformanceDetail | unknown | undefined; // TODO: Narrow this based on entry type.
+        toJSON(): any;
+    }
+    class PerformanceMark extends PerformanceEntry {
+        readonly duration: 0;
+        readonly entryType: 'mark';
+    }
+    class PerformanceMeasure extends PerformanceEntry {
+        readonly entryType: 'measure';
+    }
+    /**
+     * _This property is an extension by Node.js. It is not available in Web browsers._
+     *
+     * Provides timing details for Node.js itself. The constructor of this class
+     * is not exposed to users.
+     * @since v8.5.0
+     */
+    class PerformanceNodeTiming extends PerformanceEntry {
+        /**
+         * The high resolution millisecond timestamp at which the Node.js process
+         * completed bootstrapping. If bootstrapping has not yet finished, the property
+         * has the value of -1.
+         * @since v8.5.0
+         */
+        readonly bootstrapComplete: number;
+        /**
+         * The high resolution millisecond timestamp at which the Node.js environment was
+         * initialized.
+         * @since v8.5.0
+         */
+        readonly environment: number;
+        /**
+         * The high resolution millisecond timestamp of the amount of time the event loop
+         * has been idle within the event loop's event provider (e.g. `epoll_wait`). This
+         * does not take CPU usage into consideration. If the event loop has not yet
+         * started (e.g., in the first tick of the main script), the property has the
+         * value of 0.
+         * @since v14.10.0, v12.19.0
+         */
+        readonly idleTime: number;
+        /**
+         * The high resolution millisecond timestamp at which the Node.js event loop
+         * exited. If the event loop has not yet exited, the property has the value of -1\.
+         * It can only have a value of not -1 in a handler of the `'exit'` event.
+         * @since v8.5.0
+         */
+        readonly loopExit: number;
+        /**
+         * The high resolution millisecond timestamp at which the Node.js event loop
+         * started. If the event loop has not yet started (e.g., in the first tick of the
+         * main script), the property has the value of -1.
+         * @since v8.5.0
+         */
+        readonly loopStart: number;
+        /**
+         * The high resolution millisecond timestamp at which the V8 platform was
+         * initialized.
+         * @since v8.5.0
+         */
+        readonly v8Start: number;
+    }
+    interface EventLoopUtilization {
+        idle: number;
+        active: number;
+        utilization: number;
+    }
+    /**
+     * @param util1 The result of a previous call to eventLoopUtilization()
+     * @param util2 The result of a previous call to eventLoopUtilization() prior to util1
+     */
+    type EventLoopUtilityFunction = (util1?: EventLoopUtilization, util2?: EventLoopUtilization) => EventLoopUtilization;
+    interface MarkOptions {
+        /**
+         * Additional optional detail to include with the mark.
+         */
+        detail?: unknown | undefined;
+        /**
+         * An optional timestamp to be used as the mark time.
+         * @default `performance.now()`.
+         */
+        startTime?: number | undefined;
+    }
+    interface MeasureOptions {
+        /**
+         * Additional optional detail to include with the mark.
+         */
+        detail?: unknown | undefined;
+        /**
+         * Duration between start and end times.
+         */
+        duration?: number | undefined;
+        /**
+         * Timestamp to be used as the end time, or a string identifying a previously recorded mark.
+         */
+        end?: number | string | undefined;
+        /**
+         * Timestamp to be used as the start time, or a string identifying a previously recorded mark.
+         */
+        start?: number | string | undefined;
+    }
+    interface TimerifyOptions {
+        /**
+         * A histogram object created using
+         * `perf_hooks.createHistogram()` that will record runtime durations in
+         * nanoseconds.
+         */
+        histogram?: RecordableHistogram | undefined;
+    }
+    interface Performance {
+        /**
+         * If name is not provided, removes all PerformanceMark objects from the Performance Timeline.
+         * If name is provided, removes only the named mark.
+         * @param name
+         */
+        clearMarks(name?: string): void;
+        /**
+         * If name is not provided, removes all PerformanceMeasure objects from the Performance Timeline.
+         * If name is provided, removes only the named measure.
+         * @param name
+         * @since v16.7.0
+         */
+        clearMeasures(name?: string): void;
+        /**
+         * Returns a list of `PerformanceEntry` objects in chronological order with respect to `performanceEntry.startTime`.
+         * If you are only interested in performance entries of certain types or that have certain names, see
+         * `performance.getEntriesByType()` and `performance.getEntriesByName()`.
+         * @since v16.7.0
+         */
+        getEntries(): PerformanceEntry[];
+        /**
+         * Returns a list of `PerformanceEntry` objects in chronological order with respect to `performanceEntry.startTime`
+         * whose `performanceEntry.name` is equal to `name`, and optionally, whose `performanceEntry.entryType` is equal to `type`.
+         * @param name
+         * @param type
+         * @since v16.7.0
+         */
+        getEntriesByName(name: string, type?: EntryType): PerformanceEntry[];
+        /**
+         * Returns a list of `PerformanceEntry` objects in chronological order with respect to `performanceEntry.startTime`
+         * whose `performanceEntry.entryType` is equal to `type`.
+         * @param type
+         * @since v16.7.0
+         */
+        getEntriesByType(type: EntryType): PerformanceEntry[];
+        /**
+         * Creates a new PerformanceMark entry in the Performance Timeline.
+         * A PerformanceMark is a subclass of PerformanceEntry whose performanceEntry.entryType is always 'mark',
+         * and whose performanceEntry.duration is always 0.
+         * Performance marks are used to mark specific significant moments in the Performance Timeline.
+         * @param name
+         * @return The PerformanceMark entry that was created
+         */
+        mark(name?: string, options?: MarkOptions): PerformanceMark;
+        /**
+         * Creates a new PerformanceMeasure entry in the Performance Timeline.
+         * A PerformanceMeasure is a subclass of PerformanceEntry whose performanceEntry.entryType is always 'measure',
+         * and whose performanceEntry.duration measures the number of milliseconds elapsed since startMark and endMark.
+         *
+         * The startMark argument may identify any existing PerformanceMark in the the Performance Timeline, or may identify
+         * any of the timestamp properties provided by the PerformanceNodeTiming class. If the named startMark does not exist,
+         * then startMark is set to timeOrigin by default.
+         *
+         * The endMark argument must identify any existing PerformanceMark in the the Performance Timeline or any of the timestamp
+         * properties provided by the PerformanceNodeTiming class. If the named endMark does not exist, an error will be thrown.
+         * @param name
+         * @param startMark
+         * @param endMark
+         * @return The PerformanceMeasure entry that was created
+         */
+        measure(name: string, startMark?: string, endMark?: string): PerformanceMeasure;
+        measure(name: string, options: MeasureOptions): PerformanceMeasure;
+        /**
+         * An instance of the PerformanceNodeTiming class that provides performance metrics for specific Node.js operational milestones.
+         */
+        readonly nodeTiming: PerformanceNodeTiming;
+        /**
+         * @return the current high resolution millisecond timestamp
+         */
+        now(): number;
+        /**
+         * The timeOrigin specifies the high resolution millisecond timestamp from which all performance metric durations are measured.
+         */
+        readonly timeOrigin: number;
+        /**
+         * Wraps a function within a new function that measures the running time of the wrapped function.
+         * A PerformanceObserver must be subscribed to the 'function' event type in order for the timing details to be accessed.
+         * @param fn
+         */
+        timerify<T extends (...params: any[]) => any>(fn: T, options?: TimerifyOptions): T;
+        /**
+         * eventLoopUtilization is similar to CPU utilization except that it is calculated using high precision wall-clock time.
+         * It represents the percentage of time the event loop has spent outside the event loop's event provider (e.g. epoll_wait).
+         * No other CPU idle time is taken into consideration.
+         */
+        eventLoopUtilization: EventLoopUtilityFunction;
+    }
+    interface PerformanceObserverEntryList {
+        /**
+         * Returns a list of `PerformanceEntry` objects in chronological order
+         * with respect to `performanceEntry.startTime`.
+         *
+         * ```js
+         * const {
+         *   performance,
+         *   PerformanceObserver
+         * } = require('perf_hooks');
+         *
+         * const obs = new PerformanceObserver((perfObserverList, observer) => {
+         *   console.log(perfObserverList.getEntries());
+         *
+         *    * [
+         *    *   PerformanceEntry {
+         *    *     name: 'test',
+         *    *     entryType: 'mark',
+         *    *     startTime: 81.465639,
+         *    *     duration: 0
+         *    *   },
+         *    *   PerformanceEntry {
+         *    *     name: 'meow',
+         *    *     entryType: 'mark',
+         *    *     startTime: 81.860064,
+         *    *     duration: 0
+         *    *   }
+         *    * ]
+         *
+         *
+         *   performance.clearMarks();
+         *   performance.clearMeasures();
+         *   observer.disconnect();
+         * });
+         * obs.observe({ type: 'mark' });
+         *
+         * performance.mark('test');
+         * performance.mark('meow');
+         * ```
+         * @since v8.5.0
+         */
+        getEntries(): PerformanceEntry[];
+        /**
+         * Returns a list of `PerformanceEntry` objects in chronological order
+         * with respect to `performanceEntry.startTime` whose `performanceEntry.name` is
+         * equal to `name`, and optionally, whose `performanceEntry.entryType` is equal to`type`.
+         *
+         * ```js
+         * const {
+         *   performance,
+         *   PerformanceObserver
+         * } = require('perf_hooks');
+         *
+         * const obs = new PerformanceObserver((perfObserverList, observer) => {
+         *   console.log(perfObserverList.getEntriesByName('meow'));
+         *
+         *    * [
+         *    *   PerformanceEntry {
+         *    *     name: 'meow',
+         *    *     entryType: 'mark',
+         *    *     startTime: 98.545991,
+         *    *     duration: 0
+         *    *   }
+         *    * ]
+         *
+         *   console.log(perfObserverList.getEntriesByName('nope')); // []
+         *
+         *   console.log(perfObserverList.getEntriesByName('test', 'mark'));
+         *
+         *    * [
+         *    *   PerformanceEntry {
+         *    *     name: 'test',
+         *    *     entryType: 'mark',
+         *    *     startTime: 63.518931,
+         *    *     duration: 0
+         *    *   }
+         *    * ]
+         *
+         *   console.log(perfObserverList.getEntriesByName('test', 'measure')); // []
+         *
+         *   performance.clearMarks();
+         *   performance.clearMeasures();
+         *   observer.disconnect();
+         * });
+         * obs.observe({ entryTypes: ['mark', 'measure'] });
+         *
+         * performance.mark('test');
+         * performance.mark('meow');
+         * ```
+         * @since v8.5.0
+         */
+        getEntriesByName(name: string, type?: EntryType): PerformanceEntry[];
+        /**
+         * Returns a list of `PerformanceEntry` objects in chronological order
+         * with respect to `performanceEntry.startTime` whose `performanceEntry.entryType`is equal to `type`.
+         *
+         * ```js
+         * const {
+         *   performance,
+         *   PerformanceObserver
+         * } = require('perf_hooks');
+         *
+         * const obs = new PerformanceObserver((perfObserverList, observer) => {
+         *   console.log(perfObserverList.getEntriesByType('mark'));
+         *
+         *    * [
+         *    *   PerformanceEntry {
+         *    *     name: 'test',
+         *    *     entryType: 'mark',
+         *    *     startTime: 55.897834,
+         *    *     duration: 0
+         *    *   },
+         *    *   PerformanceEntry {
+         *    *     name: 'meow',
+         *    *     entryType: 'mark',
+         *    *     startTime: 56.350146,
+         *    *     duration: 0
+         *    *   }
+         *    * ]
+         *
+         *   performance.clearMarks();
+         *   performance.clearMeasures();
+         *   observer.disconnect();
+         * });
+         * obs.observe({ type: 'mark' });
+         *
+         * performance.mark('test');
+         * performance.mark('meow');
+         * ```
+         * @since v8.5.0
+         */
+        getEntriesByType(type: EntryType): PerformanceEntry[];
+    }
+    type PerformanceObserverCallback = (list: PerformanceObserverEntryList, observer: PerformanceObserver) => void;
+    class PerformanceObserver extends AsyncResource {
+        constructor(callback: PerformanceObserverCallback);
+        /**
+         * Disconnects the `PerformanceObserver` instance from all notifications.
+         * @since v8.5.0
+         */
+        disconnect(): void;
+        /**
+         * Subscribes the `PerformanceObserver` instance to notifications of new `PerformanceEntry` instances identified either by `options.entryTypes`or `options.type`:
+         *
+         * ```js
+         * const {
+         *   performance,
+         *   PerformanceObserver
+         * } = require('perf_hooks');
+         *
+         * const obs = new PerformanceObserver((list, observer) => {
+         *   // Called once asynchronously. `list` contains three items.
+         * });
+         * obs.observe({ type: 'mark' });
+         *
+         * for (let n = 0; n < 3; n++)
+         *   performance.mark(`test${n}`);
+         * ```
+         * @since v8.5.0
+         */
+        observe(
+            options:
+                | {
+                      entryTypes: ReadonlyArray<EntryType>;
+                      buffered?: boolean | undefined;
+                  }
+                | {
+                      type: EntryType;
+                      buffered?: boolean | undefined;
+                  }
+        ): void;
+    }
+    namespace constants {
+        const NODE_PERFORMANCE_GC_MAJOR: number;
+        const NODE_PERFORMANCE_GC_MINOR: number;
+        const NODE_PERFORMANCE_GC_INCREMENTAL: number;
+        const NODE_PERFORMANCE_GC_WEAKCB: number;
+        const NODE_PERFORMANCE_GC_FLAGS_NO: number;
+        const NODE_PERFORMANCE_GC_FLAGS_CONSTRUCT_RETAINED: number;
+        const NODE_PERFORMANCE_GC_FLAGS_FORCED: number;
+        const NODE_PERFORMANCE_GC_FLAGS_SYNCHRONOUS_PHANTOM_PROCESSING: number;
+        const NODE_PERFORMANCE_GC_FLAGS_ALL_AVAILABLE_GARBAGE: number;
+        const NODE_PERFORMANCE_GC_FLAGS_ALL_EXTERNAL_MEMORY: number;
+        const NODE_PERFORMANCE_GC_FLAGS_SCHEDULE_IDLE: number;
+    }
+    const performance: Performance;
+    interface EventLoopMonitorOptions {
+        /**
+         * The sampling rate in milliseconds.
+         * Must be greater than zero.
+         * @default 10
+         */
+        resolution?: number | undefined;
+    }
+    interface Histogram {
+        /**
+         * Returns a `Map` object detailing the accumulated percentile distribution.
+         * @since v11.10.0
+         */
+        readonly percentiles: Map<number, number>;
+        /**
+         * The number of times the event loop delay exceeded the maximum 1 hour event
+         * loop delay threshold.
+         * @since v11.10.0
+         */
+        readonly exceeds: number;
+        /**
+         * The minimum recorded event loop delay.
+         * @since v11.10.0
+         */
+        readonly min: number;
+        /**
+         * The maximum recorded event loop delay.
+         * @since v11.10.0
+         */
+        readonly max: number;
+        /**
+         * The mean of the recorded event loop delays.
+         * @since v11.10.0
+         */
+        readonly mean: number;
+        /**
+         * The standard deviation of the recorded event loop delays.
+         * @since v11.10.0
+         */
+        readonly stddev: number;
+        /**
+         * Resets the collected histogram data.
+         * @since v11.10.0
+         */
+        reset(): void;
+        /**
+         * Returns the value at the given percentile.
+         * @since v11.10.0
+         * @param percentile A percentile value in the range (0, 100].
+         */
+        percentile(percentile: number): number;
+    }
+    interface IntervalHistogram extends Histogram {
+        /**
+         * Enables the update interval timer. Returns `true` if the timer was
+         * started, `false` if it was already started.
+         * @since v11.10.0
+         */
+        enable(): boolean;
+        /**
+         * Disables the update interval timer. Returns `true` if the timer was
+         * stopped, `false` if it was already stopped.
+         * @since v11.10.0
+         */
+        disable(): boolean;
+    }
+    interface RecordableHistogram extends Histogram {
+        /**
+         * @since v15.9.0, v14.18.0
+         * @param val The amount to record in the histogram.
+         */
+        record(val: number | bigint): void;
+        /**
+         * Calculates the amount of time (in nanoseconds) that has passed since the
+         * previous call to `recordDelta()` and records that amount in the histogram.
+         *
+         * ## Examples
+         * @since v15.9.0, v14.18.0
+         */
+        recordDelta(): void;
+        /**
+         * Adds the values from other to this histogram.
+         * @since v17.4.0, v16.14.0
+         * @param other Recordable Histogram to combine with
+         */
+         add(other: RecordableHistogram): void;
+    }
+    /**
+     * _This property is an extension by Node.js. It is not available in Web browsers._
+     *
+     * Creates an `IntervalHistogram` object that samples and reports the event loop
+     * delay over time. The delays will be reported in nanoseconds.
+     *
+     * Using a timer to detect approximate event loop delay works because the
+     * execution of timers is tied specifically to the lifecycle of the libuv
+     * event loop. That is, a delay in the loop will cause a delay in the execution
+     * of the timer, and those delays are specifically what this API is intended to
+     * detect.
+     *
+     * ```js
+     * const { monitorEventLoopDelay } = require('perf_hooks');
+     * const h = monitorEventLoopDelay({ resolution: 20 });
+     * h.enable();
+     * // Do something.
+     * h.disable();
+     * console.log(h.min);
+     * console.log(h.max);
+     * console.log(h.mean);
+     * console.log(h.stddev);
+     * console.log(h.percentiles);
+     * console.log(h.percentile(50));
+     * console.log(h.percentile(99));
+     * ```
+     * @since v11.10.0
+     */
+    function monitorEventLoopDelay(options?: EventLoopMonitorOptions): IntervalHistogram;
+    interface CreateHistogramOptions {
+        /**
+         * The minimum recordable value. Must be an integer value greater than 0.
+         * @default 1
+         */
+        min?: number | bigint | undefined;
+        /**
+         * The maximum recordable value. Must be an integer value greater than min.
+         * @default Number.MAX_SAFE_INTEGER
+         */
+        max?: number | bigint | undefined;
+        /**
+         * The number of accuracy digits. Must be a number between 1 and 5.
+         * @default 3
+         */
+        figures?: number | undefined;
+    }
+    /**
+     * Returns a `RecordableHistogram`.
+     * @since v15.9.0, v14.18.0
+     */
+    function createHistogram(options?: CreateHistogramOptions): RecordableHistogram;
+}
+declare module 'node:perf_hooks' {
+    export * from 'perf_hooks';
+}
diff --git a/node_modules/@types/node/process.d.ts b/node_modules/@types/node/process.d.ts
new file mode 100644
index 000000000..12148f911
--- /dev/null
+++ b/node_modules/@types/node/process.d.ts
@@ -0,0 +1,1482 @@
+declare module 'process' {
+    import * as tty from 'node:tty';
+    import { Worker } from 'node:worker_threads';
+    global {
+        var process: NodeJS.Process;
+        namespace NodeJS {
+            // this namespace merge is here because these are specifically used
+            // as the type for process.stdin, process.stdout, and process.stderr.
+            // they can't live in tty.d.ts because we need to disambiguate the imported name.
+            interface ReadStream extends tty.ReadStream {}
+            interface WriteStream extends tty.WriteStream {}
+            interface MemoryUsageFn {
+                /**
+                 * The `process.memoryUsage()` method iterate over each page to gather informations about memory
+                 * usage which can be slow depending on the program memory allocations.
+                 */
+                (): MemoryUsage;
+                /**
+                 * method returns an integer representing the Resident Set Size (RSS) in bytes.
+                 */
+                rss(): number;
+            }
+            interface MemoryUsage {
+                rss: number;
+                heapTotal: number;
+                heapUsed: number;
+                external: number;
+                arrayBuffers: number;
+            }
+            interface CpuUsage {
+                user: number;
+                system: number;
+            }
+            interface ProcessRelease {
+                name: string;
+                sourceUrl?: string | undefined;
+                headersUrl?: string | undefined;
+                libUrl?: string | undefined;
+                lts?: string | undefined;
+            }
+            interface ProcessVersions extends Dict<string> {
+                http_parser: string;
+                node: string;
+                v8: string;
+                ares: string;
+                uv: string;
+                zlib: string;
+                modules: string;
+                openssl: string;
+            }
+            type Platform = 'aix' | 'android' | 'darwin' | 'freebsd' | 'haiku' | 'linux' | 'openbsd' | 'sunos' | 'win32' | 'cygwin' | 'netbsd';
+            type Architecture = 'arm' | 'arm64' | 'ia32' | 'mips' | 'mipsel' | 'ppc' | 'ppc64' | 's390' | 's390x' | 'x64';
+            type Signals =
+                | 'SIGABRT'
+                | 'SIGALRM'
+                | 'SIGBUS'
+                | 'SIGCHLD'
+                | 'SIGCONT'
+                | 'SIGFPE'
+                | 'SIGHUP'
+                | 'SIGILL'
+                | 'SIGINT'
+                | 'SIGIO'
+                | 'SIGIOT'
+                | 'SIGKILL'
+                | 'SIGPIPE'
+                | 'SIGPOLL'
+                | 'SIGPROF'
+                | 'SIGPWR'
+                | 'SIGQUIT'
+                | 'SIGSEGV'
+                | 'SIGSTKFLT'
+                | 'SIGSTOP'
+                | 'SIGSYS'
+                | 'SIGTERM'
+                | 'SIGTRAP'
+                | 'SIGTSTP'
+                | 'SIGTTIN'
+                | 'SIGTTOU'
+                | 'SIGUNUSED'
+                | 'SIGURG'
+                | 'SIGUSR1'
+                | 'SIGUSR2'
+                | 'SIGVTALRM'
+                | 'SIGWINCH'
+                | 'SIGXCPU'
+                | 'SIGXFSZ'
+                | 'SIGBREAK'
+                | 'SIGLOST'
+                | 'SIGINFO';
+            type UncaughtExceptionOrigin = 'uncaughtException' | 'unhandledRejection';
+            type MultipleResolveType = 'resolve' | 'reject';
+            type BeforeExitListener = (code: number) => void;
+            type DisconnectListener = () => void;
+            type ExitListener = (code: number) => void;
+            type RejectionHandledListener = (promise: Promise<unknown>) => void;
+            type UncaughtExceptionListener = (error: Error, origin: UncaughtExceptionOrigin) => void;
+            /**
+             * Most of the time the unhandledRejection will be an Error, but this should not be relied upon
+             * as *anything* can be thrown/rejected, it is therefore unsafe to assume that the value is an Error.
+             */
+            type UnhandledRejectionListener = (reason: unknown, promise: Promise<unknown>) => void;
+            type WarningListener = (warning: Error) => void;
+            type MessageListener = (message: unknown, sendHandle: unknown) => void;
+            type SignalsListener = (signal: Signals) => void;
+            type MultipleResolveListener = (type: MultipleResolveType, promise: Promise<unknown>, value: unknown) => void;
+            type WorkerListener = (worker: Worker) => void;
+            interface Socket extends ReadWriteStream {
+                isTTY?: true | undefined;
+            }
+            // Alias for compatibility
+            interface ProcessEnv extends Dict<string> {
+                /**
+                 * Can be used to change the default timezone at runtime
+                 */
+                TZ?: string;
+            }
+            interface HRTime {
+                (time?: [number, number]): [number, number];
+                bigint(): bigint;
+            }
+            interface ProcessReport {
+                /**
+                 * Directory where the report is written.
+                 * working directory of the Node.js process.
+                 * @default '' indicating that reports are written to the current
+                 */
+                directory: string;
+                /**
+                 * Filename where the report is written.
+                 * The default value is the empty string.
+                 * @default '' the output filename will be comprised of a timestamp,
+                 * PID, and sequence number.
+                 */
+                filename: string;
+                /**
+                 * Returns a JSON-formatted diagnostic report for the running process.
+                 * The report's JavaScript stack trace is taken from err, if present.
+                 */
+                getReport(err?: Error): string;
+                /**
+                 * If true, a diagnostic report is generated on fatal errors,
+                 * such as out of memory errors or failed C++ assertions.
+                 * @default false
+                 */
+                reportOnFatalError: boolean;
+                /**
+                 * If true, a diagnostic report is generated when the process
+                 * receives the signal specified by process.report.signal.
+                 * @default false
+                 */
+                reportOnSignal: boolean;
+                /**
+                 * If true, a diagnostic report is generated on uncaught exception.
+                 * @default false
+                 */
+                reportOnUncaughtException: boolean;
+                /**
+                 * The signal used to trigger the creation of a diagnostic report.
+                 * @default 'SIGUSR2'
+                 */
+                signal: Signals;
+                /**
+                 * Writes a diagnostic report to a file. If filename is not provided, the default filename
+                 * includes the date, time, PID, and a sequence number.
+                 * The report's JavaScript stack trace is taken from err, if present.
+                 *
+                 * @param fileName Name of the file where the report is written.
+                 * This should be a relative path, that will be appended to the directory specified in
+                 * `process.report.directory`, or the current working directory of the Node.js process,
+                 * if unspecified.
+                 * @param error A custom error used for reporting the JavaScript stack.
+                 * @return Filename of the generated report.
+                 */
+                writeReport(fileName?: string): string;
+                writeReport(error?: Error): string;
+                writeReport(fileName?: string, err?: Error): string;
+            }
+            interface ResourceUsage {
+                fsRead: number;
+                fsWrite: number;
+                involuntaryContextSwitches: number;
+                ipcReceived: number;
+                ipcSent: number;
+                majorPageFault: number;
+                maxRSS: number;
+                minorPageFault: number;
+                sharedMemorySize: number;
+                signalsCount: number;
+                swappedOut: number;
+                systemCPUTime: number;
+                unsharedDataSize: number;
+                unsharedStackSize: number;
+                userCPUTime: number;
+                voluntaryContextSwitches: number;
+            }
+            interface EmitWarningOptions {
+                /**
+                 * When `warning` is a `string`, `type` is the name to use for the _type_ of warning being emitted.
+                 *
+                 * @default 'Warning'
+                 */
+                type?: string | undefined;
+                /**
+                 * A unique identifier for the warning instance being emitted.
+                 */
+                code?: string | undefined;
+                /**
+                 * When `warning` is a `string`, `ctor` is an optional function used to limit the generated stack trace.
+                 *
+                 * @default process.emitWarning
+                 */
+                ctor?: Function | undefined;
+                /**
+                 * Additional text to include with the error.
+                 */
+                detail?: string | undefined;
+            }
+            interface ProcessConfig {
+                readonly target_defaults: {
+                    readonly cflags: any[];
+                    readonly default_configuration: string;
+                    readonly defines: string[];
+                    readonly include_dirs: string[];
+                    readonly libraries: string[];
+                };
+                readonly variables: {
+                    readonly clang: number;
+                    readonly host_arch: string;
+                    readonly node_install_npm: boolean;
+                    readonly node_install_waf: boolean;
+                    readonly node_prefix: string;
+                    readonly node_shared_openssl: boolean;
+                    readonly node_shared_v8: boolean;
+                    readonly node_shared_zlib: boolean;
+                    readonly node_use_dtrace: boolean;
+                    readonly node_use_etw: boolean;
+                    readonly node_use_openssl: boolean;
+                    readonly target_arch: string;
+                    readonly v8_no_strict_aliasing: number;
+                    readonly v8_use_snapshot: boolean;
+                    readonly visibility: string;
+                };
+            }
+            interface Process extends EventEmitter {
+                /**
+                 * The `process.stdout` property returns a stream connected to`stdout` (fd `1`). It is a `net.Socket` (which is a `Duplex` stream) unless fd `1` refers to a file, in which case it is
+                 * a `Writable` stream.
+                 *
+                 * For example, to copy `process.stdin` to `process.stdout`:
+                 *
+                 * ```js
+                 * import { stdin, stdout } from 'process';
+                 *
+                 * stdin.pipe(stdout);
+                 * ```
+                 *
+                 * `process.stdout` differs from other Node.js streams in important ways. See `note on process I/O` for more information.
+                 */
+                stdout: WriteStream & {
+                    fd: 1;
+                };
+                /**
+                 * The `process.stderr` property returns a stream connected to`stderr` (fd `2`). It is a `net.Socket` (which is a `Duplex` stream) unless fd `2` refers to a file, in which case it is
+                 * a `Writable` stream.
+                 *
+                 * `process.stderr` differs from other Node.js streams in important ways. See `note on process I/O` for more information.
+                 */
+                stderr: WriteStream & {
+                    fd: 2;
+                };
+                /**
+                 * The `process.stdin` property returns a stream connected to`stdin` (fd `0`). It is a `net.Socket` (which is a `Duplex` stream) unless fd `0` refers to a file, in which case it is
+                 * a `Readable` stream.
+                 *
+                 * For details of how to read from `stdin` see `readable.read()`.
+                 *
+                 * As a `Duplex` stream, `process.stdin` can also be used in "old" mode that
+                 * is compatible with scripts written for Node.js prior to v0.10\.
+                 * For more information see `Stream compatibility`.
+                 *
+                 * In "old" streams mode the `stdin` stream is paused by default, so one
+                 * must call `process.stdin.resume()` to read from it. Note also that calling`process.stdin.resume()` itself would switch stream to "old" mode.
+                 */
+                stdin: ReadStream & {
+                    fd: 0;
+                };
+                openStdin(): Socket;
+                /**
+                 * The `process.argv` property returns an array containing the command-line
+                 * arguments passed when the Node.js process was launched. The first element will
+                 * be {@link execPath}. See `process.argv0` if access to the original value
+                 * of `argv[0]` is needed. The second element will be the path to the JavaScript
+                 * file being executed. The remaining elements will be any additional command-line
+                 * arguments.
+                 *
+                 * For example, assuming the following script for `process-args.js`:
+                 *
+                 * ```js
+                 * import { argv } from 'process';
+                 *
+                 * // print process.argv
+                 * argv.forEach((val, index) => {
+                 *   console.log(`${index}: ${val}`);
+                 * });
+                 * ```
+                 *
+                 * Launching the Node.js process as:
+                 *
+                 * ```console
+                 * $ node process-args.js one two=three four
+                 * ```
+                 *
+                 * Would generate the output:
+                 *
+                 * ```text
+                 * 0: /usr/local/bin/node
+                 * 1: /Users/mjr/work/node/process-args.js
+                 * 2: one
+                 * 3: two=three
+                 * 4: four
+                 * ```
+                 * @since v0.1.27
+                 */
+                argv: string[];
+                /**
+                 * The `process.argv0` property stores a read-only copy of the original value of`argv[0]` passed when Node.js starts.
+                 *
+                 * ```console
+                 * $ bash -c 'exec -a customArgv0 ./node'
+                 * > process.argv[0]
+                 * '/Volumes/code/external/node/out/Release/node'
+                 * > process.argv0
+                 * 'customArgv0'
+                 * ```
+                 * @since v6.4.0
+                 */
+                argv0: string;
+                /**
+                 * The `process.execArgv` property returns the set of Node.js-specific command-line
+                 * options passed when the Node.js process was launched. These options do not
+                 * appear in the array returned by the {@link argv} property, and do not
+                 * include the Node.js executable, the name of the script, or any options following
+                 * the script name. These options are useful in order to spawn child processes with
+                 * the same execution environment as the parent.
+                 *
+                 * ```console
+                 * $ node --harmony script.js --version
+                 * ```
+                 *
+                 * Results in `process.execArgv`:
+                 *
+                 * ```js
+                 * ['--harmony']
+                 * ```
+                 *
+                 * And `process.argv`:
+                 *
+                 * ```js
+                 * ['/usr/local/bin/node', 'script.js', '--version']
+                 * ```
+                 *
+                 * Refer to `Worker constructor` for the detailed behavior of worker
+                 * threads with this property.
+                 * @since v0.7.7
+                 */
+                execArgv: string[];
+                /**
+                 * The `process.execPath` property returns the absolute pathname of the executable
+                 * that started the Node.js process. Symbolic links, if any, are resolved.
+                 *
+                 * ```js
+                 * '/usr/local/bin/node'
+                 * ```
+                 * @since v0.1.100
+                 */
+                execPath: string;
+                /**
+                 * The `process.abort()` method causes the Node.js process to exit immediately and
+                 * generate a core file.
+                 *
+                 * This feature is not available in `Worker` threads.
+                 * @since v0.7.0
+                 */
+                abort(): never;
+                /**
+                 * The `process.chdir()` method changes the current working directory of the
+                 * Node.js process or throws an exception if doing so fails (for instance, if
+                 * the specified `directory` does not exist).
+                 *
+                 * ```js
+                 * import { chdir, cwd } from 'process';
+                 *
+                 * console.log(`Starting directory: ${cwd()}`);
+                 * try {
+                 *   chdir('/tmp');
+                 *   console.log(`New directory: ${cwd()}`);
+                 * } catch (err) {
+                 *   console.error(`chdir: ${err}`);
+                 * }
+                 * ```
+                 *
+                 * This feature is not available in `Worker` threads.
+                 * @since v0.1.17
+                 */
+                chdir(directory: string): void;
+                /**
+                 * The `process.cwd()` method returns the current working directory of the Node.js
+                 * process.
+                 *
+                 * ```js
+                 * import { cwd } from 'process';
+                 *
+                 * console.log(`Current directory: ${cwd()}`);
+                 * ```
+                 * @since v0.1.8
+                 */
+                cwd(): string;
+                /**
+                 * The port used by the Node.js debugger when enabled.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * process.debugPort = 5858;
+                 * ```
+                 * @since v0.7.2
+                 */
+                debugPort: number;
+                /**
+                 * The `process.emitWarning()` method can be used to emit custom or application
+                 * specific process warnings. These can be listened for by adding a handler to the `'warning'` event.
+                 *
+                 * ```js
+                 * import { emitWarning } from 'process';
+                 *
+                 * // Emit a warning with a code and additional detail.
+                 * emitWarning('Something happened!', {
+                 *   code: 'MY_WARNING',
+                 *   detail: 'This is some additional information'
+                 * });
+                 * // Emits:
+                 * // (node:56338) [MY_WARNING] Warning: Something happened!
+                 * // This is some additional information
+                 * ```
+                 *
+                 * In this example, an `Error` object is generated internally by`process.emitWarning()` and passed through to the `'warning'` handler.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * process.on('warning', (warning) => {
+                 *   console.warn(warning.name);    // 'Warning'
+                 *   console.warn(warning.message); // 'Something happened!'
+                 *   console.warn(warning.code);    // 'MY_WARNING'
+                 *   console.warn(warning.stack);   // Stack trace
+                 *   console.warn(warning.detail);  // 'This is some additional information'
+                 * });
+                 * ```
+                 *
+                 * If `warning` is passed as an `Error` object, the `options` argument is ignored.
+                 * @since v8.0.0
+                 * @param warning The warning to emit.
+                 */
+                emitWarning(warning: string | Error, ctor?: Function): void;
+                emitWarning(warning: string | Error, type?: string, ctor?: Function): void;
+                emitWarning(warning: string | Error, type?: string, code?: string, ctor?: Function): void;
+                emitWarning(warning: string | Error, options?: EmitWarningOptions): void;
+                /**
+                 * The `process.env` property returns an object containing the user environment.
+                 * See [`environ(7)`](http://man7.org/linux/man-pages/man7/environ.7.html).
+                 *
+                 * An example of this object looks like:
+                 *
+                 * ```js
+                 * {
+                 *   TERM: 'xterm-256color',
+                 *   SHELL: '/usr/local/bin/bash',
+                 *   USER: 'maciej',
+                 *   PATH: '~/.bin/:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin',
+                 *   PWD: '/Users/maciej',
+                 *   EDITOR: 'vim',
+                 *   SHLVL: '1',
+                 *   HOME: '/Users/maciej',
+                 *   LOGNAME: 'maciej',
+                 *   _: '/usr/local/bin/node'
+                 * }
+                 * ```
+                 *
+                 * It is possible to modify this object, but such modifications will not be
+                 * reflected outside the Node.js process, or (unless explicitly requested)
+                 * to other `Worker` threads.
+                 * In other words, the following example would not work:
+                 *
+                 * ```console
+                 * $ node -e 'process.env.foo = "bar"' &#x26;&#x26; echo $foo
+                 * ```
+                 *
+                 * While the following will:
+                 *
+                 * ```js
+                 * import { env } from 'process';
+                 *
+                 * env.foo = 'bar';
+                 * console.log(env.foo);
+                 * ```
+                 *
+                 * Assigning a property on `process.env` will implicitly convert the value
+                 * to a string. **This behavior is deprecated.** Future versions of Node.js may
+                 * throw an error when the value is not a string, number, or boolean.
+                 *
+                 * ```js
+                 * import { env } from 'process';
+                 *
+                 * env.test = null;
+                 * console.log(env.test);
+                 * // => 'null'
+                 * env.test = undefined;
+                 * console.log(env.test);
+                 * // => 'undefined'
+                 * ```
+                 *
+                 * Use `delete` to delete a property from `process.env`.
+                 *
+                 * ```js
+                 * import { env } from 'process';
+                 *
+                 * env.TEST = 1;
+                 * delete env.TEST;
+                 * console.log(env.TEST);
+                 * // => undefined
+                 * ```
+                 *
+                 * On Windows operating systems, environment variables are case-insensitive.
+                 *
+                 * ```js
+                 * import { env } from 'process';
+                 *
+                 * env.TEST = 1;
+                 * console.log(env.test);
+                 * // => 1
+                 * ```
+                 *
+                 * Unless explicitly specified when creating a `Worker` instance,
+                 * each `Worker` thread has its own copy of `process.env`, based on its
+                 * parent thread’s `process.env`, or whatever was specified as the `env` option
+                 * to the `Worker` constructor. Changes to `process.env` will not be visible
+                 * across `Worker` threads, and only the main thread can make changes that
+                 * are visible to the operating system or to native add-ons.
+                 * @since v0.1.27
+                 */
+                env: ProcessEnv;
+                /**
+                 * The `process.exit()` method instructs Node.js to terminate the process
+                 * synchronously with an exit status of `code`. If `code` is omitted, exit uses
+                 * either the 'success' code `0` or the value of `process.exitCode` if it has been
+                 * set. Node.js will not terminate until all the `'exit'` event listeners are
+                 * called.
+                 *
+                 * To exit with a 'failure' code:
+                 *
+                 * ```js
+                 * import { exit } from 'process';
+                 *
+                 * exit(1);
+                 * ```
+                 *
+                 * The shell that executed Node.js should see the exit code as `1`.
+                 *
+                 * Calling `process.exit()` will force the process to exit as quickly as possible
+                 * even if there are still asynchronous operations pending that have not yet
+                 * completed fully, including I/O operations to `process.stdout` and`process.stderr`.
+                 *
+                 * In most situations, it is not actually necessary to call `process.exit()`explicitly. The Node.js process will exit on its own _if there is no additional_
+                 * _work pending_ in the event loop. The `process.exitCode` property can be set to
+                 * tell the process which exit code to use when the process exits gracefully.
+                 *
+                 * For instance, the following example illustrates a _misuse_ of the`process.exit()` method that could lead to data printed to stdout being
+                 * truncated and lost:
+                 *
+                 * ```js
+                 * import { exit } from 'process';
+                 *
+                 * // This is an example of what *not* to do:
+                 * if (someConditionNotMet()) {
+                 *   printUsageToStdout();
+                 *   exit(1);
+                 * }
+                 * ```
+                 *
+                 * The reason this is problematic is because writes to `process.stdout` in Node.js
+                 * are sometimes _asynchronous_ and may occur over multiple ticks of the Node.js
+                 * event loop. Calling `process.exit()`, however, forces the process to exit _before_ those additional writes to `stdout` can be performed.
+                 *
+                 * Rather than calling `process.exit()` directly, the code _should_ set the`process.exitCode` and allow the process to exit naturally by avoiding
+                 * scheduling any additional work for the event loop:
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * // How to properly set the exit code while letting
+                 * // the process exit gracefully.
+                 * if (someConditionNotMet()) {
+                 *   printUsageToStdout();
+                 *   process.exitCode = 1;
+                 * }
+                 * ```
+                 *
+                 * If it is necessary to terminate the Node.js process due to an error condition,
+                 * throwing an _uncaught_ error and allowing the process to terminate accordingly
+                 * is safer than calling `process.exit()`.
+                 *
+                 * In `Worker` threads, this function stops the current thread rather
+                 * than the current process.
+                 * @since v0.1.13
+                 * @param [code=0] The exit code.
+                 */
+                exit(code?: number): never;
+                /**
+                 * A number which will be the process exit code, when the process either
+                 * exits gracefully, or is exited via {@link exit} without specifying
+                 * a code.
+                 *
+                 * Specifying a code to {@link exit} will override any
+                 * previous setting of `process.exitCode`.
+                 * @since v0.11.8
+                 */
+                exitCode?: number | undefined;
+                /**
+                 * The `process.getgid()` method returns the numerical group identity of the
+                 * process. (See [`getgid(2)`](http://man7.org/linux/man-pages/man2/getgid.2.html).)
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getgid) {
+                 *   console.log(`Current gid: ${process.getgid()}`);
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * @since v0.1.31
+                 */
+                getgid?: () => number;
+                /**
+                 * The `process.setgid()` method sets the group identity of the process. (See [`setgid(2)`](http://man7.org/linux/man-pages/man2/setgid.2.html).) The `id` can be passed as either a
+                 * numeric ID or a group name
+                 * string. If a group name is specified, this method blocks while resolving the
+                 * associated numeric ID.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getgid &#x26;&#x26; process.setgid) {
+                 *   console.log(`Current gid: ${process.getgid()}`);
+                 *   try {
+                 *     process.setgid(501);
+                 *     console.log(`New gid: ${process.getgid()}`);
+                 *   } catch (err) {
+                 *     console.log(`Failed to set gid: ${err}`);
+                 *   }
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * This feature is not available in `Worker` threads.
+                 * @since v0.1.31
+                 * @param id The group name or ID
+                 */
+                setgid?: (id: number | string) => void;
+                /**
+                 * The `process.getuid()` method returns the numeric user identity of the process.
+                 * (See [`getuid(2)`](http://man7.org/linux/man-pages/man2/getuid.2.html).)
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getuid) {
+                 *   console.log(`Current uid: ${process.getuid()}`);
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * @since v0.1.28
+                 */
+                getuid?: () => number;
+                /**
+                 * The `process.setuid(id)` method sets the user identity of the process. (See [`setuid(2)`](http://man7.org/linux/man-pages/man2/setuid.2.html).) The `id` can be passed as either a
+                 * numeric ID or a username string.
+                 * If a username is specified, the method blocks while resolving the associated
+                 * numeric ID.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getuid &#x26;&#x26; process.setuid) {
+                 *   console.log(`Current uid: ${process.getuid()}`);
+                 *   try {
+                 *     process.setuid(501);
+                 *     console.log(`New uid: ${process.getuid()}`);
+                 *   } catch (err) {
+                 *     console.log(`Failed to set uid: ${err}`);
+                 *   }
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * This feature is not available in `Worker` threads.
+                 * @since v0.1.28
+                 */
+                setuid?: (id: number | string) => void;
+                /**
+                 * The `process.geteuid()` method returns the numerical effective user identity of
+                 * the process. (See [`geteuid(2)`](http://man7.org/linux/man-pages/man2/geteuid.2.html).)
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.geteuid) {
+                 *   console.log(`Current uid: ${process.geteuid()}`);
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * @since v2.0.0
+                 */
+                geteuid?: () => number;
+                /**
+                 * The `process.seteuid()` method sets the effective user identity of the process.
+                 * (See [`seteuid(2)`](http://man7.org/linux/man-pages/man2/seteuid.2.html).) The `id` can be passed as either a numeric ID or a username
+                 * string. If a username is specified, the method blocks while resolving the
+                 * associated numeric ID.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.geteuid &#x26;&#x26; process.seteuid) {
+                 *   console.log(`Current uid: ${process.geteuid()}`);
+                 *   try {
+                 *     process.seteuid(501);
+                 *     console.log(`New uid: ${process.geteuid()}`);
+                 *   } catch (err) {
+                 *     console.log(`Failed to set uid: ${err}`);
+                 *   }
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * This feature is not available in `Worker` threads.
+                 * @since v2.0.0
+                 * @param id A user name or ID
+                 */
+                seteuid?: (id: number | string) => void;
+                /**
+                 * The `process.getegid()` method returns the numerical effective group identity
+                 * of the Node.js process. (See [`getegid(2)`](http://man7.org/linux/man-pages/man2/getegid.2.html).)
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getegid) {
+                 *   console.log(`Current gid: ${process.getegid()}`);
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * @since v2.0.0
+                 */
+                getegid?: () => number;
+                /**
+                 * The `process.setegid()` method sets the effective group identity of the process.
+                 * (See [`setegid(2)`](http://man7.org/linux/man-pages/man2/setegid.2.html).) The `id` can be passed as either a numeric ID or a group
+                 * name string. If a group name is specified, this method blocks while resolving
+                 * the associated a numeric ID.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getegid &#x26;&#x26; process.setegid) {
+                 *   console.log(`Current gid: ${process.getegid()}`);
+                 *   try {
+                 *     process.setegid(501);
+                 *     console.log(`New gid: ${process.getegid()}`);
+                 *   } catch (err) {
+                 *     console.log(`Failed to set gid: ${err}`);
+                 *   }
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * This feature is not available in `Worker` threads.
+                 * @since v2.0.0
+                 * @param id A group name or ID
+                 */
+                setegid?: (id: number | string) => void;
+                /**
+                 * The `process.getgroups()` method returns an array with the supplementary group
+                 * IDs. POSIX leaves it unspecified if the effective group ID is included but
+                 * Node.js ensures it always is.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getgroups) {
+                 *   console.log(process.getgroups()); // [ 16, 21, 297 ]
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * @since v0.9.4
+                 */
+                getgroups?: () => number[];
+                /**
+                 * The `process.setgroups()` method sets the supplementary group IDs for the
+                 * Node.js process. This is a privileged operation that requires the Node.js
+                 * process to have `root` or the `CAP_SETGID` capability.
+                 *
+                 * The `groups` array can contain numeric group IDs, group names, or both.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getgroups &#x26;&#x26; process.setgroups) {
+                 *   try {
+                 *     process.setgroups([501]);
+                 *     console.log(process.getgroups()); // new groups
+                 *   } catch (err) {
+                 *     console.log(`Failed to set groups: ${err}`);
+                 *   }
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * This feature is not available in `Worker` threads.
+                 * @since v0.9.4
+                 */
+                setgroups?: (groups: ReadonlyArray<string | number>) => void;
+                /**
+                 * The `process.setUncaughtExceptionCaptureCallback()` function sets a function
+                 * that will be invoked when an uncaught exception occurs, which will receive the
+                 * exception value itself as its first argument.
+                 *
+                 * If such a function is set, the `'uncaughtException'` event will
+                 * not be emitted. If `--abort-on-uncaught-exception` was passed from the
+                 * command line or set through `v8.setFlagsFromString()`, the process will
+                 * not abort. Actions configured to take place on exceptions such as report
+                 * generations will be affected too
+                 *
+                 * To unset the capture function,`process.setUncaughtExceptionCaptureCallback(null)` may be used. Calling this
+                 * method with a non-`null` argument while another capture function is set will
+                 * throw an error.
+                 *
+                 * Using this function is mutually exclusive with using the deprecated `domain` built-in module.
+                 * @since v9.3.0
+                 */
+                setUncaughtExceptionCaptureCallback(cb: ((err: Error) => void) | null): void;
+                /**
+                 * Indicates whether a callback has been set using {@link setUncaughtExceptionCaptureCallback}.
+                 * @since v9.3.0
+                 */
+                hasUncaughtExceptionCaptureCallback(): boolean;
+                /**
+                 * The `process.version` property contains the Node.js version string.
+                 *
+                 * ```js
+                 * import { version } from 'process';
+                 *
+                 * console.log(`Version: ${version}`);
+                 * // Version: v14.8.0
+                 * ```
+                 *
+                 * To get the version string without the prepended _v_, use`process.versions.node`.
+                 * @since v0.1.3
+                 */
+                readonly version: string;
+                /**
+                 * The `process.versions` property returns an object listing the version strings of
+                 * Node.js and its dependencies. `process.versions.modules` indicates the current
+                 * ABI version, which is increased whenever a C++ API changes. Node.js will refuse
+                 * to load modules that were compiled against a different module ABI version.
+                 *
+                 * ```js
+                 * import { versions } from 'process';
+                 *
+                 * console.log(versions);
+                 * ```
+                 *
+                 * Will generate an object similar to:
+                 *
+                 * ```console
+                 * { node: '11.13.0',
+                 *   v8: '7.0.276.38-node.18',
+                 *   uv: '1.27.0',
+                 *   zlib: '1.2.11',
+                 *   brotli: '1.0.7',
+                 *   ares: '1.15.0',
+                 *   modules: '67',
+                 *   nghttp2: '1.34.0',
+                 *   napi: '4',
+                 *   llhttp: '1.1.1',
+                 *   openssl: '1.1.1b',
+                 *   cldr: '34.0',
+                 *   icu: '63.1',
+                 *   tz: '2018e',
+                 *   unicode: '11.0' }
+                 * ```
+                 * @since v0.2.0
+                 */
+                readonly versions: ProcessVersions;
+                /**
+                 * The `process.config` property returns an `Object` containing the JavaScript
+                 * representation of the configure options used to compile the current Node.js
+                 * executable. This is the same as the `config.gypi` file that was produced when
+                 * running the `./configure` script.
+                 *
+                 * An example of the possible output looks like:
+                 *
+                 * ```js
+                 * {
+                 *   target_defaults:
+                 *    { cflags: [],
+                 *      default_configuration: 'Release',
+                 *      defines: [],
+                 *      include_dirs: [],
+                 *      libraries: [] },
+                 *   variables:
+                 *    {
+                 *      host_arch: 'x64',
+                 *      napi_build_version: 5,
+                 *      node_install_npm: 'true',
+                 *      node_prefix: '',
+                 *      node_shared_cares: 'false',
+                 *      node_shared_http_parser: 'false',
+                 *      node_shared_libuv: 'false',
+                 *      node_shared_zlib: 'false',
+                 *      node_use_dtrace: 'false',
+                 *      node_use_openssl: 'true',
+                 *      node_shared_openssl: 'false',
+                 *      strict_aliasing: 'true',
+                 *      target_arch: 'x64',
+                 *      v8_use_snapshot: 1
+                 *    }
+                 * }
+                 * ```
+                 *
+                 * The `process.config` property is **not** read-only and there are existing
+                 * modules in the ecosystem that are known to extend, modify, or entirely replace
+                 * the value of `process.config`.
+                 *
+                 * Modifying the `process.config` property, or any child-property of the`process.config` object has been deprecated. The `process.config` will be made
+                 * read-only in a future release.
+                 * @since v0.7.7
+                 */
+                readonly config: ProcessConfig;
+                /**
+                 * The `process.kill()` method sends the `signal` to the process identified by`pid`.
+                 *
+                 * Signal names are strings such as `'SIGINT'` or `'SIGHUP'`. See `Signal Events` and [`kill(2)`](http://man7.org/linux/man-pages/man2/kill.2.html) for more information.
+                 *
+                 * This method will throw an error if the target `pid` does not exist. As a special
+                 * case, a signal of `0` can be used to test for the existence of a process.
+                 * Windows platforms will throw an error if the `pid` is used to kill a process
+                 * group.
+                 *
+                 * Even though the name of this function is `process.kill()`, it is really just a
+                 * signal sender, like the `kill` system call. The signal sent may do something
+                 * other than kill the target process.
+                 *
+                 * ```js
+                 * import process, { kill } from 'process';
+                 *
+                 * process.on('SIGHUP', () => {
+                 *   console.log('Got SIGHUP signal.');
+                 * });
+                 *
+                 * setTimeout(() => {
+                 *   console.log('Exiting.');
+                 *   process.exit(0);
+                 * }, 100);
+                 *
+                 * kill(process.pid, 'SIGHUP');
+                 * ```
+                 *
+                 * When `SIGUSR1` is received by a Node.js process, Node.js will start the
+                 * debugger. See `Signal Events`.
+                 * @since v0.0.6
+                 * @param pid A process ID
+                 * @param [signal='SIGTERM'] The signal to send, either as a string or number.
+                 */
+                kill(pid: number, signal?: string | number): true;
+                /**
+                 * The `process.pid` property returns the PID of the process.
+                 *
+                 * ```js
+                 * import { pid } from 'process';
+                 *
+                 * console.log(`This process is pid ${pid}`);
+                 * ```
+                 * @since v0.1.15
+                 */
+                readonly pid: number;
+                /**
+                 * The `process.ppid` property returns the PID of the parent of the
+                 * current process.
+                 *
+                 * ```js
+                 * import { ppid } from 'process';
+                 *
+                 * console.log(`The parent process is pid ${ppid}`);
+                 * ```
+                 * @since v9.2.0, v8.10.0, v6.13.0
+                 */
+                readonly ppid: number;
+                /**
+                 * The `process.title` property returns the current process title (i.e. returns
+                 * the current value of `ps`). Assigning a new value to `process.title` modifies
+                 * the current value of `ps`.
+                 *
+                 * When a new value is assigned, different platforms will impose different maximum
+                 * length restrictions on the title. Usually such restrictions are quite limited.
+                 * For instance, on Linux and macOS, `process.title` is limited to the size of the
+                 * binary name plus the length of the command-line arguments because setting the`process.title` overwrites the `argv` memory of the process. Node.js v0.8
+                 * allowed for longer process title strings by also overwriting the `environ`memory but that was potentially insecure and confusing in some (rather obscure)
+                 * cases.
+                 *
+                 * Assigning a value to `process.title` might not result in an accurate label
+                 * within process manager applications such as macOS Activity Monitor or Windows
+                 * Services Manager.
+                 * @since v0.1.104
+                 */
+                title: string;
+                /**
+                 * The operating system CPU architecture for which the Node.js binary was compiled.
+                 * Possible values are: `'arm'`, `'arm64'`, `'ia32'`, `'mips'`,`'mipsel'`, `'ppc'`,`'ppc64'`, `'s390'`, `'s390x'`, and `'x64'`.
+                 *
+                 * ```js
+                 * import { arch } from 'process';
+                 *
+                 * console.log(`This processor architecture is ${arch}`);
+                 * ```
+                 * @since v0.5.0
+                 */
+                readonly arch: Architecture;
+                /**
+                 * The `process.platform` property returns a string identifying the operating
+                 * system platform for which the Node.js binary was compiled.
+                 *
+                 * Currently possible values are:
+                 *
+                 * * `'aix'`
+                 * * `'darwin'`
+                 * * `'freebsd'`
+                 * * `'linux'`
+                 * * `'openbsd'`
+                 * * `'sunos'`
+                 * * `'win32'`
+                 *
+                 * ```js
+                 * import { platform } from 'process';
+                 *
+                 * console.log(`This platform is ${platform}`);
+                 * ```
+                 *
+                 * The value `'android'` may also be returned if the Node.js is built on the
+                 * Android operating system. However, Android support in Node.js [is experimental](https://github.com/nodejs/node/blob/HEAD/BUILDING.md#androidandroid-based-devices-eg-firefox-os).
+                 * @since v0.1.16
+                 */
+                readonly platform: Platform;
+                /**
+                 * The `process.mainModule` property provides an alternative way of retrieving `require.main`. The difference is that if the main module changes at
+                 * runtime, `require.main` may still refer to the original main module in
+                 * modules that were required before the change occurred. Generally, it's
+                 * safe to assume that the two refer to the same module.
+                 *
+                 * As with `require.main`, `process.mainModule` will be `undefined` if there
+                 * is no entry script.
+                 * @since v0.1.17
+                 * @deprecated Since v14.0.0 - Use `main` instead.
+                 */
+                mainModule?: Module | undefined;
+                memoryUsage: MemoryUsageFn;
+                /**
+                 * The `process.cpuUsage()` method returns the user and system CPU time usage of
+                 * the current process, in an object with properties `user` and `system`, whose
+                 * values are microsecond values (millionth of a second). These values measure time
+                 * spent in user and system code respectively, and may end up being greater than
+                 * actual elapsed time if multiple CPU cores are performing work for this process.
+                 *
+                 * The result of a previous call to `process.cpuUsage()` can be passed as the
+                 * argument to the function, to get a diff reading.
+                 *
+                 * ```js
+                 * import { cpuUsage } from 'process';
+                 *
+                 * const startUsage = cpuUsage();
+                 * // { user: 38579, system: 6986 }
+                 *
+                 * // spin the CPU for 500 milliseconds
+                 * const now = Date.now();
+                 * while (Date.now() - now < 500);
+                 *
+                 * console.log(cpuUsage(startUsage));
+                 * // { user: 514883, system: 11226 }
+                 * ```
+                 * @since v6.1.0
+                 * @param previousValue A previous return value from calling `process.cpuUsage()`
+                 */
+                cpuUsage(previousValue?: CpuUsage): CpuUsage;
+                /**
+                 * `process.nextTick()` adds `callback` to the "next tick queue". This queue is
+                 * fully drained after the current operation on the JavaScript stack runs to
+                 * completion and before the event loop is allowed to continue. It's possible to
+                 * create an infinite loop if one were to recursively call `process.nextTick()`.
+                 * See the [Event Loop](https://nodejs.org/en/docs/guides/event-loop-timers-and-nexttick/#process-nexttick) guide for more background.
+                 *
+                 * ```js
+                 * import { nextTick } from 'process';
+                 *
+                 * console.log('start');
+                 * nextTick(() => {
+                 *   console.log('nextTick callback');
+                 * });
+                 * console.log('scheduled');
+                 * // Output:
+                 * // start
+                 * // scheduled
+                 * // nextTick callback
+                 * ```
+                 *
+                 * This is important when developing APIs in order to give users the opportunity
+                 * to assign event handlers _after_ an object has been constructed but before any
+                 * I/O has occurred:
+                 *
+                 * ```js
+                 * import { nextTick } from 'process';
+                 *
+                 * function MyThing(options) {
+                 *   this.setupOptions(options);
+                 *
+                 *   nextTick(() => {
+                 *     this.startDoingStuff();
+                 *   });
+                 * }
+                 *
+                 * const thing = new MyThing();
+                 * thing.getReadyForStuff();
+                 *
+                 * // thing.startDoingStuff() gets called now, not before.
+                 * ```
+                 *
+                 * It is very important for APIs to be either 100% synchronous or 100%
+                 * asynchronous. Consider this example:
+                 *
+                 * ```js
+                 * // WARNING!  DO NOT USE!  BAD UNSAFE HAZARD!
+                 * function maybeSync(arg, cb) {
+                 *   if (arg) {
+                 *     cb();
+                 *     return;
+                 *   }
+                 *
+                 *   fs.stat('file', cb);
+                 * }
+                 * ```
+                 *
+                 * This API is hazardous because in the following case:
+                 *
+                 * ```js
+                 * const maybeTrue = Math.random() > 0.5;
+                 *
+                 * maybeSync(maybeTrue, () => {
+                 *   foo();
+                 * });
+                 *
+                 * bar();
+                 * ```
+                 *
+                 * It is not clear whether `foo()` or `bar()` will be called first.
+                 *
+                 * The following approach is much better:
+                 *
+                 * ```js
+                 * import { nextTick } from 'process';
+                 *
+                 * function definitelyAsync(arg, cb) {
+                 *   if (arg) {
+                 *     nextTick(cb);
+                 *     return;
+                 *   }
+                 *
+                 *   fs.stat('file', cb);
+                 * }
+                 * ```
+                 * @since v0.1.26
+                 * @param args Additional arguments to pass when invoking the `callback`
+                 */
+                nextTick(callback: Function, ...args: any[]): void;
+                /**
+                 * The `process.release` property returns an `Object` containing metadata related
+                 * to the current release, including URLs for the source tarball and headers-only
+                 * tarball.
+                 *
+                 * `process.release` contains the following properties:
+                 *
+                 * ```js
+                 * {
+                 *   name: 'node',
+                 *   lts: 'Erbium',
+                 *   sourceUrl: 'https://nodejs.org/download/release/v12.18.1/node-v12.18.1.tar.gz',
+                 *   headersUrl: 'https://nodejs.org/download/release/v12.18.1/node-v12.18.1-headers.tar.gz',
+                 *   libUrl: 'https://nodejs.org/download/release/v12.18.1/win-x64/node.lib'
+                 * }
+                 * ```
+                 *
+                 * In custom builds from non-release versions of the source tree, only the`name` property may be present. The additional properties should not be
+                 * relied upon to exist.
+                 * @since v3.0.0
+                 */
+                readonly release: ProcessRelease;
+                features: {
+                    inspector: boolean;
+                    debug: boolean;
+                    uv: boolean;
+                    ipv6: boolean;
+                    tls_alpn: boolean;
+                    tls_sni: boolean;
+                    tls_ocsp: boolean;
+                    tls: boolean;
+                };
+                /**
+                 * `process.umask()` returns the Node.js process's file mode creation mask. Child
+                 * processes inherit the mask from the parent process.
+                 * @since v0.1.19
+                 * @deprecated Calling `process.umask()` with no argument causes the process-wide umask to be written twice. This introduces a race condition between threads, and is a potential   *
+                 * security vulnerability. There is no safe, cross-platform alternative API.
+                 */
+                umask(): number;
+                /**
+                 * Can only be set if not in worker thread.
+                 */
+                umask(mask: string | number): number;
+                /**
+                 * The `process.uptime()` method returns the number of seconds the current Node.js
+                 * process has been running.
+                 *
+                 * The return value includes fractions of a second. Use `Math.floor()` to get whole
+                 * seconds.
+                 * @since v0.5.0
+                 */
+                uptime(): number;
+                hrtime: HRTime;
+                /**
+                 * If Node.js is spawned with an IPC channel, the `process.send()` method can be
+                 * used to send messages to the parent process. Messages will be received as a `'message'` event on the parent's `ChildProcess` object.
+                 *
+                 * If Node.js was not spawned with an IPC channel, `process.send` will be`undefined`.
+                 *
+                 * The message goes through serialization and parsing. The resulting message might
+                 * not be the same as what is originally sent.
+                 * @since v0.5.9
+                 * @param options used to parameterize the sending of certain types of handles.`options` supports the following properties:
+                 */
+                send?(
+                    message: any,
+                    sendHandle?: any,
+                    options?: {
+                        swallowErrors?: boolean | undefined;
+                    },
+                    callback?: (error: Error | null) => void
+                ): boolean;
+                /**
+                 * If the Node.js process is spawned with an IPC channel (see the `Child Process` and `Cluster` documentation), the `process.disconnect()` method will close the
+                 * IPC channel to the parent process, allowing the child process to exit gracefully
+                 * once there are no other connections keeping it alive.
+                 *
+                 * The effect of calling `process.disconnect()` is the same as calling `ChildProcess.disconnect()` from the parent process.
+                 *
+                 * If the Node.js process was not spawned with an IPC channel,`process.disconnect()` will be `undefined`.
+                 * @since v0.7.2
+                 */
+                disconnect(): void;
+                /**
+                 * If the Node.js process is spawned with an IPC channel (see the `Child Process` and `Cluster` documentation), the `process.connected` property will return`true` so long as the IPC
+                 * channel is connected and will return `false` after`process.disconnect()` is called.
+                 *
+                 * Once `process.connected` is `false`, it is no longer possible to send messages
+                 * over the IPC channel using `process.send()`.
+                 * @since v0.7.2
+                 */
+                connected: boolean;
+                /**
+                 * The `process.allowedNodeEnvironmentFlags` property is a special,
+                 * read-only `Set` of flags allowable within the `NODE_OPTIONS` environment variable.
+                 *
+                 * `process.allowedNodeEnvironmentFlags` extends `Set`, but overrides`Set.prototype.has` to recognize several different possible flag
+                 * representations. `process.allowedNodeEnvironmentFlags.has()` will
+                 * return `true` in the following cases:
+                 *
+                 * * Flags may omit leading single (`-`) or double (`--`) dashes; e.g.,`inspect-brk` for `--inspect-brk`, or `r` for `-r`.
+                 * * Flags passed through to V8 (as listed in `--v8-options`) may replace
+                 * one or more _non-leading_ dashes for an underscore, or vice-versa;
+                 * e.g., `--perf_basic_prof`, `--perf-basic-prof`, `--perf_basic-prof`,
+                 * etc.
+                 * * Flags may contain one or more equals (`=`) characters; all
+                 * characters after and including the first equals will be ignored;
+                 * e.g., `--stack-trace-limit=100`.
+                 * * Flags _must_ be allowable within `NODE_OPTIONS`.
+                 *
+                 * When iterating over `process.allowedNodeEnvironmentFlags`, flags will
+                 * appear only _once_; each will begin with one or more dashes. Flags
+                 * passed through to V8 will contain underscores instead of non-leading
+                 * dashes:
+                 *
+                 * ```js
+                 * import { allowedNodeEnvironmentFlags } from 'process';
+                 *
+                 * allowedNodeEnvironmentFlags.forEach((flag) => {
+                 *   // -r
+                 *   // --inspect-brk
+                 *   // --abort_on_uncaught_exception
+                 *   // ...
+                 * });
+                 * ```
+                 *
+                 * The methods `add()`, `clear()`, and `delete()` of`process.allowedNodeEnvironmentFlags` do nothing, and will fail
+                 * silently.
+                 *
+                 * If Node.js was compiled _without_ `NODE_OPTIONS` support (shown in {@link config}), `process.allowedNodeEnvironmentFlags` will
+                 * contain what _would have_ been allowable.
+                 * @since v10.10.0
+                 */
+                allowedNodeEnvironmentFlags: ReadonlySet<string>;
+                /**
+                 * `process.report` is an object whose methods are used to generate diagnostic
+                 * reports for the current process. Additional documentation is available in the `report documentation`.
+                 * @since v11.8.0
+                 */
+                report?: ProcessReport | undefined;
+                /**
+                 * ```js
+                 * import { resourceUsage } from 'process';
+                 *
+                 * console.log(resourceUsage());
+                 * /*
+                 *   Will output:
+                 *   {
+                 *     userCPUTime: 82872,
+                 *     systemCPUTime: 4143,
+                 *     maxRSS: 33164,
+                 *     sharedMemorySize: 0,
+                 *     unsharedDataSize: 0,
+                 *     unsharedStackSize: 0,
+                 *     minorPageFault: 2469,
+                 *     majorPageFault: 0,
+                 *     swappedOut: 0,
+                 *     fsRead: 0,
+                 *     fsWrite: 8,
+                 *     ipcSent: 0,
+                 *     ipcReceived: 0,
+                 *     signalsCount: 0,
+                 *     voluntaryContextSwitches: 79,
+                 *     involuntaryContextSwitches: 1
+                 *   }
+                 *
+                 * ```
+                 * @since v12.6.0
+                 * @return the resource usage for the current process. All of these values come from the `uv_getrusage` call which returns a [`uv_rusage_t` struct][uv_rusage_t].
+                 */
+                resourceUsage(): ResourceUsage;
+                /**
+                 * The `process.traceDeprecation` property indicates whether the`--trace-deprecation` flag is set on the current Node.js process. See the
+                 * documentation for the `'warning' event` and the `emitWarning() method` for more information about this
+                 * flag's behavior.
+                 * @since v0.8.0
+                 */
+                traceDeprecation: boolean;
+                /* EventEmitter */
+                addListener(event: 'beforeExit', listener: BeforeExitListener): this;
+                addListener(event: 'disconnect', listener: DisconnectListener): this;
+                addListener(event: 'exit', listener: ExitListener): this;
+                addListener(event: 'rejectionHandled', listener: RejectionHandledListener): this;
+                addListener(event: 'uncaughtException', listener: UncaughtExceptionListener): this;
+                addListener(event: 'uncaughtExceptionMonitor', listener: UncaughtExceptionListener): this;
+                addListener(event: 'unhandledRejection', listener: UnhandledRejectionListener): this;
+                addListener(event: 'warning', listener: WarningListener): this;
+                addListener(event: 'message', listener: MessageListener): this;
+                addListener(event: Signals, listener: SignalsListener): this;
+                addListener(event: 'multipleResolves', listener: MultipleResolveListener): this;
+                addListener(event: 'worker', listener: WorkerListener): this;
+                emit(event: 'beforeExit', code: number): boolean;
+                emit(event: 'disconnect'): boolean;
+                emit(event: 'exit', code: number): boolean;
+                emit(event: 'rejectionHandled', promise: Promise<unknown>): boolean;
+                emit(event: 'uncaughtException', error: Error): boolean;
+                emit(event: 'uncaughtExceptionMonitor', error: Error): boolean;
+                emit(event: 'unhandledRejection', reason: unknown, promise: Promise<unknown>): boolean;
+                emit(event: 'warning', warning: Error): boolean;
+                emit(event: 'message', message: unknown, sendHandle: unknown): this;
+                emit(event: Signals, signal?: Signals): boolean;
+                emit(event: 'multipleResolves', type: MultipleResolveType, promise: Promise<unknown>, value: unknown): this;
+                emit(event: 'worker', listener: WorkerListener): this;
+                on(event: 'beforeExit', listener: BeforeExitListener): this;
+                on(event: 'disconnect', listener: DisconnectListener): this;
+                on(event: 'exit', listener: ExitListener): this;
+                on(event: 'rejectionHandled', listener: RejectionHandledListener): this;
+                on(event: 'uncaughtException', listener: UncaughtExceptionListener): this;
+                on(event: 'uncaughtExceptionMonitor', listener: UncaughtExceptionListener): this;
+                on(event: 'unhandledRejection', listener: UnhandledRejectionListener): this;
+                on(event: 'warning', listener: WarningListener): this;
+                on(event: 'message', listener: MessageListener): this;
+                on(event: Signals, listener: SignalsListener): this;
+                on(event: 'multipleResolves', listener: MultipleResolveListener): this;
+                on(event: 'worker', listener: WorkerListener): this;
+                on(event: string | symbol, listener: (...args: any[]) => void): this;
+                once(event: 'beforeExit', listener: BeforeExitListener): this;
+                once(event: 'disconnect', listener: DisconnectListener): this;
+                once(event: 'exit', listener: ExitListener): this;
+                once(event: 'rejectionHandled', listener: RejectionHandledListener): this;
+                once(event: 'uncaughtException', listener: UncaughtExceptionListener): this;
+                once(event: 'uncaughtExceptionMonitor', listener: UncaughtExceptionListener): this;
+                once(event: 'unhandledRejection', listener: UnhandledRejectionListener): this;
+                once(event: 'warning', listener: WarningListener): this;
+                once(event: 'message', listener: MessageListener): this;
+                once(event: Signals, listener: SignalsListener): this;
+                once(event: 'multipleResolves', listener: MultipleResolveListener): this;
+                once(event: 'worker', listener: WorkerListener): this;
+                once(event: string | symbol, listener: (...args: any[]) => void): this;
+                prependListener(event: 'beforeExit', listener: BeforeExitListener): this;
+                prependListener(event: 'disconnect', listener: DisconnectListener): this;
+                prependListener(event: 'exit', listener: ExitListener): this;
+                prependListener(event: 'rejectionHandled', listener: RejectionHandledListener): this;
+                prependListener(event: 'uncaughtException', listener: UncaughtExceptionListener): this;
+                prependListener(event: 'uncaughtExceptionMonitor', listener: UncaughtExceptionListener): this;
+                prependListener(event: 'unhandledRejection', listener: UnhandledRejectionListener): this;
+                prependListener(event: 'warning', listener: WarningListener): this;
+                prependListener(event: 'message', listener: MessageListener): this;
+                prependListener(event: Signals, listener: SignalsListener): this;
+                prependListener(event: 'multipleResolves', listener: MultipleResolveListener): this;
+                prependListener(event: 'worker', listener: WorkerListener): this;
+                prependOnceListener(event: 'beforeExit', listener: BeforeExitListener): this;
+                prependOnceListener(event: 'disconnect', listener: DisconnectListener): this;
+                prependOnceListener(event: 'exit', listener: ExitListener): this;
+                prependOnceListener(event: 'rejectionHandled', listener: RejectionHandledListener): this;
+                prependOnceListener(event: 'uncaughtException', listener: UncaughtExceptionListener): this;
+                prependOnceListener(event: 'uncaughtExceptionMonitor', listener: UncaughtExceptionListener): this;
+                prependOnceListener(event: 'unhandledRejection', listener: UnhandledRejectionListener): this;
+                prependOnceListener(event: 'warning', listener: WarningListener): this;
+                prependOnceListener(event: 'message', listener: MessageListener): this;
+                prependOnceListener(event: Signals, listener: SignalsListener): this;
+                prependOnceListener(event: 'multipleResolves', listener: MultipleResolveListener): this;
+                prependOnceListener(event: 'worker', listener: WorkerListener): this;
+                listeners(event: 'beforeExit'): BeforeExitListener[];
+                listeners(event: 'disconnect'): DisconnectListener[];
+                listeners(event: 'exit'): ExitListener[];
+                listeners(event: 'rejectionHandled'): RejectionHandledListener[];
+                listeners(event: 'uncaughtException'): UncaughtExceptionListener[];
+                listeners(event: 'uncaughtExceptionMonitor'): UncaughtExceptionListener[];
+                listeners(event: 'unhandledRejection'): UnhandledRejectionListener[];
+                listeners(event: 'warning'): WarningListener[];
+                listeners(event: 'message'): MessageListener[];
+                listeners(event: Signals): SignalsListener[];
+                listeners(event: 'multipleResolves'): MultipleResolveListener[];
+                listeners(event: 'worker'): WorkerListener[];
+            }
+        }
+    }
+    export = process;
+}
+declare module 'node:process' {
+    import process = require('process');
+    export = process;
+}
diff --git a/node_modules/@types/node/punycode.d.ts b/node_modules/@types/node/punycode.d.ts
new file mode 100644
index 000000000..87ebbb904
--- /dev/null
+++ b/node_modules/@types/node/punycode.d.ts
@@ -0,0 +1,117 @@
+/**
+ * **The version of the punycode module bundled in Node.js is being deprecated.**In a future major version of Node.js this module will be removed. Users
+ * currently depending on the `punycode` module should switch to using the
+ * userland-provided [Punycode.js](https://github.com/bestiejs/punycode.js) module instead. For punycode-based URL
+ * encoding, see `url.domainToASCII` or, more generally, the `WHATWG URL API`.
+ *
+ * The `punycode` module is a bundled version of the [Punycode.js](https://github.com/bestiejs/punycode.js) module. It
+ * can be accessed using:
+ *
+ * ```js
+ * const punycode = require('punycode');
+ * ```
+ *
+ * [Punycode](https://tools.ietf.org/html/rfc3492) is a character encoding scheme defined by RFC 3492 that is
+ * primarily intended for use in Internationalized Domain Names. Because host
+ * names in URLs are limited to ASCII characters only, Domain Names that contain
+ * non-ASCII characters must be converted into ASCII using the Punycode scheme.
+ * For instance, the Japanese character that translates into the English word,`'example'` is `'例'`. The Internationalized Domain Name, `'例.com'` (equivalent
+ * to `'example.com'`) is represented by Punycode as the ASCII string`'xn--fsq.com'`.
+ *
+ * The `punycode` module provides a simple implementation of the Punycode standard.
+ *
+ * The `punycode` module is a third-party dependency used by Node.js and
+ * made available to developers as a convenience. Fixes or other modifications to
+ * the module must be directed to the [Punycode.js](https://github.com/bestiejs/punycode.js) project.
+ * @deprecated Since v7.0.0 - Deprecated
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/punycode.js)
+ */
+declare module 'punycode' {
+    /**
+     * The `punycode.decode()` method converts a [Punycode](https://tools.ietf.org/html/rfc3492) string of ASCII-only
+     * characters to the equivalent string of Unicode codepoints.
+     *
+     * ```js
+     * punycode.decode('maana-pta'); // 'mañana'
+     * punycode.decode('--dqo34k'); // '☃-⌘'
+     * ```
+     * @since v0.5.1
+     */
+    function decode(string: string): string;
+    /**
+     * The `punycode.encode()` method converts a string of Unicode codepoints to a [Punycode](https://tools.ietf.org/html/rfc3492) string of ASCII-only characters.
+     *
+     * ```js
+     * punycode.encode('mañana'); // 'maana-pta'
+     * punycode.encode('☃-⌘'); // '--dqo34k'
+     * ```
+     * @since v0.5.1
+     */
+    function encode(string: string): string;
+    /**
+     * The `punycode.toUnicode()` method converts a string representing a domain name
+     * containing [Punycode](https://tools.ietf.org/html/rfc3492) encoded characters into Unicode. Only the [Punycode](https://tools.ietf.org/html/rfc3492) encoded parts of the domain name are be
+     * converted.
+     *
+     * ```js
+     * // decode domain names
+     * punycode.toUnicode('xn--maana-pta.com'); // 'mañana.com'
+     * punycode.toUnicode('xn----dqo34k.com');  // '☃-⌘.com'
+     * punycode.toUnicode('example.com');       // 'example.com'
+     * ```
+     * @since v0.6.1
+     */
+    function toUnicode(domain: string): string;
+    /**
+     * The `punycode.toASCII()` method converts a Unicode string representing an
+     * Internationalized Domain Name to [Punycode](https://tools.ietf.org/html/rfc3492). Only the non-ASCII parts of the
+     * domain name will be converted. Calling `punycode.toASCII()` on a string that
+     * already only contains ASCII characters will have no effect.
+     *
+     * ```js
+     * // encode domain names
+     * punycode.toASCII('mañana.com');  // 'xn--maana-pta.com'
+     * punycode.toASCII('☃-⌘.com');   // 'xn----dqo34k.com'
+     * punycode.toASCII('example.com'); // 'example.com'
+     * ```
+     * @since v0.6.1
+     */
+    function toASCII(domain: string): string;
+    /**
+     * @deprecated since v7.0.0
+     * The version of the punycode module bundled in Node.js is being deprecated.
+     * In a future major version of Node.js this module will be removed.
+     * Users currently depending on the punycode module should switch to using
+     * the userland-provided Punycode.js module instead.
+     */
+    const ucs2: ucs2;
+    interface ucs2 {
+        /**
+         * @deprecated since v7.0.0
+         * The version of the punycode module bundled in Node.js is being deprecated.
+         * In a future major version of Node.js this module will be removed.
+         * Users currently depending on the punycode module should switch to using
+         * the userland-provided Punycode.js module instead.
+         */
+        decode(string: string): number[];
+        /**
+         * @deprecated since v7.0.0
+         * The version of the punycode module bundled in Node.js is being deprecated.
+         * In a future major version of Node.js this module will be removed.
+         * Users currently depending on the punycode module should switch to using
+         * the userland-provided Punycode.js module instead.
+         */
+        encode(codePoints: ReadonlyArray<number>): string;
+    }
+    /**
+     * @deprecated since v7.0.0
+     * The version of the punycode module bundled in Node.js is being deprecated.
+     * In a future major version of Node.js this module will be removed.
+     * Users currently depending on the punycode module should switch to using
+     * the userland-provided Punycode.js module instead.
+     */
+    const version: string;
+}
+declare module 'node:punycode' {
+    export * from 'punycode';
+}
diff --git a/node_modules/@types/node/querystring.d.ts b/node_modules/@types/node/querystring.d.ts
new file mode 100644
index 000000000..e694d8c84
--- /dev/null
+++ b/node_modules/@types/node/querystring.d.ts
@@ -0,0 +1,131 @@
+/**
+ * The `querystring` module provides utilities for parsing and formatting URL
+ * query strings. It can be accessed using:
+ *
+ * ```js
+ * const querystring = require('querystring');
+ * ```
+ *
+ * The `querystring` API is considered Legacy. While it is still maintained,
+ * new code should use the `URLSearchParams` API instead.
+ * @deprecated Legacy
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/querystring.js)
+ */
+declare module 'querystring' {
+    interface StringifyOptions {
+        encodeURIComponent?: ((str: string) => string) | undefined;
+    }
+    interface ParseOptions {
+        maxKeys?: number | undefined;
+        decodeURIComponent?: ((str: string) => string) | undefined;
+    }
+    interface ParsedUrlQuery extends NodeJS.Dict<string | string[]> {}
+    interface ParsedUrlQueryInput extends NodeJS.Dict<string | number | boolean | ReadonlyArray<string> | ReadonlyArray<number> | ReadonlyArray<boolean> | null> {}
+    /**
+     * The `querystring.stringify()` method produces a URL query string from a
+     * given `obj` by iterating through the object's "own properties".
+     *
+     * It serializes the following types of values passed in `obj`:[string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type) |
+     * [number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type) |
+     * [bigint](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt) |
+     * [boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Boolean_type) |
+     * [string\[\]](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type) |
+     * [number\[\]](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type) |
+     * [bigint\[\]](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt) |
+     * [boolean\[\]](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Boolean_type) The numeric values must be finite. Any other input values will be coerced to
+     * empty strings.
+     *
+     * ```js
+     * querystring.stringify({ foo: 'bar', baz: ['qux', 'quux'], corge: '' });
+     * // Returns 'foo=bar&#x26;baz=qux&#x26;baz=quux&#x26;corge='
+     *
+     * querystring.stringify({ foo: 'bar', baz: 'qux' }, ';', ':');
+     * // Returns 'foo:bar;baz:qux'
+     * ```
+     *
+     * By default, characters requiring percent-encoding within the query string will
+     * be encoded as UTF-8\. If an alternative encoding is required, then an alternative`encodeURIComponent` option will need to be specified:
+     *
+     * ```js
+     * // Assuming gbkEncodeURIComponent function already exists,
+     *
+     * querystring.stringify({ w: '中文', foo: 'bar' }, null, null,
+     *                       { encodeURIComponent: gbkEncodeURIComponent });
+     * ```
+     * @since v0.1.25
+     * @param obj The object to serialize into a URL query string
+     * @param [sep='&'] The substring used to delimit key and value pairs in the query string.
+     * @param [eq='='] . The substring used to delimit keys and values in the query string.
+     */
+    function stringify(obj?: ParsedUrlQueryInput, sep?: string, eq?: string, options?: StringifyOptions): string;
+    /**
+     * The `querystring.parse()` method parses a URL query string (`str`) into a
+     * collection of key and value pairs.
+     *
+     * For example, the query string `'foo=bar&#x26;abc=xyz&#x26;abc=123'` is parsed into:
+     *
+     * ```js
+     * {
+     *   foo: 'bar',
+     *   abc: ['xyz', '123']
+     * }
+     * ```
+     *
+     * The object returned by the `querystring.parse()` method _does not_prototypically inherit from the JavaScript `Object`. This means that typical`Object` methods such as `obj.toString()`,
+     * `obj.hasOwnProperty()`, and others
+     * are not defined and _will not work_.
+     *
+     * By default, percent-encoded characters within the query string will be assumed
+     * to use UTF-8 encoding. If an alternative character encoding is used, then an
+     * alternative `decodeURIComponent` option will need to be specified:
+     *
+     * ```js
+     * // Assuming gbkDecodeURIComponent function already exists...
+     *
+     * querystring.parse('w=%D6%D0%CE%C4&#x26;foo=bar', null, null,
+     *                   { decodeURIComponent: gbkDecodeURIComponent });
+     * ```
+     * @since v0.1.25
+     * @param str The URL query string to parse
+     * @param [sep='&'] The substring used to delimit key and value pairs in the query string.
+     * @param [eq='='] . The substring used to delimit keys and values in the query string.
+     */
+    function parse(str: string, sep?: string, eq?: string, options?: ParseOptions): ParsedUrlQuery;
+    /**
+     * The querystring.encode() function is an alias for querystring.stringify().
+     */
+    const encode: typeof stringify;
+    /**
+     * The querystring.decode() function is an alias for querystring.parse().
+     */
+    const decode: typeof parse;
+    /**
+     * The `querystring.escape()` method performs URL percent-encoding on the given`str` in a manner that is optimized for the specific requirements of URL
+     * query strings.
+     *
+     * The `querystring.escape()` method is used by `querystring.stringify()` and is
+     * generally not expected to be used directly. It is exported primarily to allow
+     * application code to provide a replacement percent-encoding implementation if
+     * necessary by assigning `querystring.escape` to an alternative function.
+     * @since v0.1.25
+     */
+    function escape(str: string): string;
+    /**
+     * The `querystring.unescape()` method performs decoding of URL percent-encoded
+     * characters on the given `str`.
+     *
+     * The `querystring.unescape()` method is used by `querystring.parse()` and is
+     * generally not expected to be used directly. It is exported primarily to allow
+     * application code to provide a replacement decoding implementation if
+     * necessary by assigning `querystring.unescape` to an alternative function.
+     *
+     * By default, the `querystring.unescape()` method will attempt to use the
+     * JavaScript built-in `decodeURIComponent()` method to decode. If that fails,
+     * a safer equivalent that does not throw on malformed URLs will be used.
+     * @since v0.1.25
+     */
+    function unescape(str: string): string;
+}
+declare module 'node:querystring' {
+    export * from 'querystring';
+}
diff --git a/node_modules/@types/node/readline.d.ts b/node_modules/@types/node/readline.d.ts
new file mode 100644
index 000000000..6ab64acbb
--- /dev/null
+++ b/node_modules/@types/node/readline.d.ts
@@ -0,0 +1,653 @@
+/**
+ * The `readline` module provides an interface for reading data from a `Readable` stream (such as `process.stdin`) one line at a time.
+ *
+ * To use the promise-based APIs:
+ *
+ * ```js
+ * import * as readline from 'node:readline/promises';
+ * ```
+ *
+ * To use the callback and sync APIs:
+ *
+ * ```js
+ * import * as readline from 'node:readline';
+ * ```
+ *
+ * The following simple example illustrates the basic use of the `readline` module.
+ *
+ * ```js
+ * import * as readline from 'node:readline/promises';
+ * import { stdin as input, stdout as output } from 'node:process';
+ *
+ * const rl = readline.createInterface({ input, output });
+ *
+ * const answer = await rl.question('What do you think of Node.js? ');
+ *
+ * console.log(`Thank you for your valuable feedback: ${answer}`);
+ *
+ * rl.close();
+ * ```
+ *
+ * Once this code is invoked, the Node.js application will not terminate until the`readline.Interface` is closed because the interface waits for data to be
+ * received on the `input` stream.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/readline.js)
+ */
+declare module 'readline' {
+    import { Abortable, EventEmitter } from 'node:events';
+    import * as promises from 'node:readline/promises';
+
+    export { promises };
+    export interface Key {
+        sequence?: string | undefined;
+        name?: string | undefined;
+        ctrl?: boolean | undefined;
+        meta?: boolean | undefined;
+        shift?: boolean | undefined;
+    }
+    /**
+     * Instances of the `readline.Interface` class are constructed using the`readline.createInterface()` method. Every instance is associated with a
+     * single `input` `Readable` stream and a single `output` `Writable` stream.
+     * The `output` stream is used to print prompts for user input that arrives on,
+     * and is read from, the `input` stream.
+     * @since v0.1.104
+     */
+    export class Interface extends EventEmitter {
+        readonly terminal: boolean;
+        /**
+         * The current input data being processed by node.
+         *
+         * This can be used when collecting input from a TTY stream to retrieve the
+         * current value that has been processed thus far, prior to the `line` event
+         * being emitted. Once the `line` event has been emitted, this property will
+         * be an empty string.
+         *
+         * Be aware that modifying the value during the instance runtime may have
+         * unintended consequences if `rl.cursor` is not also controlled.
+         *
+         * **If not using a TTY stream for input, use the `'line'` event.**
+         *
+         * One possible use case would be as follows:
+         *
+         * ```js
+         * const values = ['lorem ipsum', 'dolor sit amet'];
+         * const rl = readline.createInterface(process.stdin);
+         * const showResults = debounce(() => {
+         *   console.log(
+         *     '\n',
+         *     values.filter((val) => val.startsWith(rl.line)).join(' ')
+         *   );
+         * }, 300);
+         * process.stdin.on('keypress', (c, k) => {
+         *   showResults();
+         * });
+         * ```
+         * @since v0.1.98
+         */
+        readonly line: string;
+        /**
+         * The cursor position relative to `rl.line`.
+         *
+         * This will track where the current cursor lands in the input string, when
+         * reading input from a TTY stream. The position of cursor determines the
+         * portion of the input string that will be modified as input is processed,
+         * as well as the column where the terminal caret will be rendered.
+         * @since v0.1.98
+         */
+        readonly cursor: number;
+        /**
+         * NOTE: According to the documentation:
+         *
+         * > Instances of the `readline.Interface` class are constructed using the
+         * > `readline.createInterface()` method.
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/readline.html#readline_class_interface
+         */
+        protected constructor(input: NodeJS.ReadableStream, output?: NodeJS.WritableStream, completer?: Completer | AsyncCompleter, terminal?: boolean);
+        /**
+         * NOTE: According to the documentation:
+         *
+         * > Instances of the `readline.Interface` class are constructed using the
+         * > `readline.createInterface()` method.
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/readline.html#readline_class_interface
+         */
+        protected constructor(options: ReadLineOptions);
+        /**
+         * The `rl.getPrompt()` method returns the current prompt used by `rl.prompt()`.
+         * @since v15.3.0
+         * @return the current prompt string
+         */
+        getPrompt(): string;
+        /**
+         * The `rl.setPrompt()` method sets the prompt that will be written to `output`whenever `rl.prompt()` is called.
+         * @since v0.1.98
+         */
+        setPrompt(prompt: string): void;
+        /**
+         * The `rl.prompt()` method writes the `readline.Interface` instances configured`prompt` to a new line in `output` in order to provide a user with a new
+         * location at which to provide input.
+         *
+         * When called, `rl.prompt()` will resume the `input` stream if it has been
+         * paused.
+         *
+         * If the `readline.Interface` was created with `output` set to `null` or`undefined` the prompt is not written.
+         * @since v0.1.98
+         * @param preserveCursor If `true`, prevents the cursor placement from being reset to `0`.
+         */
+        prompt(preserveCursor?: boolean): void;
+        /**
+         * The `rl.question()` method displays the `query` by writing it to the `output`,
+         * waits for user input to be provided on `input`, then invokes the `callback`function passing the provided input as the first argument.
+         *
+         * When called, `rl.question()` will resume the `input` stream if it has been
+         * paused.
+         *
+         * If the `readline.Interface` was created with `output` set to `null` or`undefined` the `query` is not written.
+         *
+         * The `callback` function passed to `rl.question()` does not follow the typical
+         * pattern of accepting an `Error` object or `null` as the first argument.
+         * The `callback` is called with the provided answer as the only argument.
+         *
+         * Example usage:
+         *
+         * ```js
+         * rl.question('What is your favorite food? ', (answer) => {
+         *   console.log(`Oh, so your favorite food is ${answer}`);
+         * });
+         * ```
+         *
+         * Using an `AbortController` to cancel a question.
+         *
+         * ```js
+         * const ac = new AbortController();
+         * const signal = ac.signal;
+         *
+         * rl.question('What is your favorite food? ', { signal }, (answer) => {
+         *   console.log(`Oh, so your favorite food is ${answer}`);
+         * });
+         *
+         * signal.addEventListener('abort', () => {
+         *   console.log('The food question timed out');
+         * }, { once: true });
+         *
+         * setTimeout(() => ac.abort(), 10000);
+         * ```
+         *
+         * If this method is invoked as it's util.promisify()ed version, it returns a
+         * Promise that fulfills with the answer. If the question is canceled using
+         * an `AbortController` it will reject with an `AbortError`.
+         *
+         * ```js
+         * const util = require('util');
+         * const question = util.promisify(rl.question).bind(rl);
+         *
+         * async function questionExample() {
+         *   try {
+         *     const answer = await question('What is you favorite food? ');
+         *     console.log(`Oh, so your favorite food is ${answer}`);
+         *   } catch (err) {
+         *     console.error('Question rejected', err);
+         *   }
+         * }
+         * questionExample();
+         * ```
+         * @since v0.3.3
+         * @param query A statement or query to write to `output`, prepended to the prompt.
+         * @param callback A callback function that is invoked with the user's input in response to the `query`.
+         */
+        question(query: string, callback: (answer: string) => void): void;
+        question(query: string, options: Abortable, callback: (answer: string) => void): void;
+        /**
+         * The `rl.pause()` method pauses the `input` stream, allowing it to be resumed
+         * later if necessary.
+         *
+         * Calling `rl.pause()` does not immediately pause other events (including`'line'`) from being emitted by the `readline.Interface` instance.
+         * @since v0.3.4
+         */
+        pause(): this;
+        /**
+         * The `rl.resume()` method resumes the `input` stream if it has been paused.
+         * @since v0.3.4
+         */
+        resume(): this;
+        /**
+         * The `rl.close()` method closes the `readline.Interface` instance and
+         * relinquishes control over the `input` and `output` streams. When called,
+         * the `'close'` event will be emitted.
+         *
+         * Calling `rl.close()` does not immediately stop other events (including `'line'`)
+         * from being emitted by the `readline.Interface` instance.
+         * @since v0.1.98
+         */
+        close(): void;
+        /**
+         * The `rl.write()` method will write either `data` or a key sequence identified
+         * by `key` to the `output`. The `key` argument is supported only if `output` is
+         * a `TTY` text terminal. See `TTY keybindings` for a list of key
+         * combinations.
+         *
+         * If `key` is specified, `data` is ignored.
+         *
+         * When called, `rl.write()` will resume the `input` stream if it has been
+         * paused.
+         *
+         * If the `readline.Interface` was created with `output` set to `null` or`undefined` the `data` and `key` are not written.
+         *
+         * ```js
+         * rl.write('Delete this!');
+         * // Simulate Ctrl+U to delete the line written previously
+         * rl.write(null, { ctrl: true, name: 'u' });
+         * ```
+         *
+         * The `rl.write()` method will write the data to the `readline` `Interface`'s`input`_as if it were provided by the user_.
+         * @since v0.1.98
+         */
+        write(data: string | Buffer, key?: Key): void;
+        write(data: undefined | null | string | Buffer, key: Key): void;
+        /**
+         * Returns the real position of the cursor in relation to the input
+         * prompt + string. Long input (wrapping) strings, as well as multiple
+         * line prompts are included in the calculations.
+         * @since v13.5.0, v12.16.0
+         */
+        getCursorPos(): CursorPos;
+        /**
+         * events.EventEmitter
+         * 1. close
+         * 2. line
+         * 3. pause
+         * 4. resume
+         * 5. SIGCONT
+         * 6. SIGINT
+         * 7. SIGTSTP
+         * 8. history
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'line', listener: (input: string) => void): this;
+        addListener(event: 'pause', listener: () => void): this;
+        addListener(event: 'resume', listener: () => void): this;
+        addListener(event: 'SIGCONT', listener: () => void): this;
+        addListener(event: 'SIGINT', listener: () => void): this;
+        addListener(event: 'SIGTSTP', listener: () => void): this;
+        addListener(event: 'history', listener: (history: string[]) => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'line', input: string): boolean;
+        emit(event: 'pause'): boolean;
+        emit(event: 'resume'): boolean;
+        emit(event: 'SIGCONT'): boolean;
+        emit(event: 'SIGINT'): boolean;
+        emit(event: 'SIGTSTP'): boolean;
+        emit(event: 'history', history: string[]): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'line', listener: (input: string) => void): this;
+        on(event: 'pause', listener: () => void): this;
+        on(event: 'resume', listener: () => void): this;
+        on(event: 'SIGCONT', listener: () => void): this;
+        on(event: 'SIGINT', listener: () => void): this;
+        on(event: 'SIGTSTP', listener: () => void): this;
+        on(event: 'history', listener: (history: string[]) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'line', listener: (input: string) => void): this;
+        once(event: 'pause', listener: () => void): this;
+        once(event: 'resume', listener: () => void): this;
+        once(event: 'SIGCONT', listener: () => void): this;
+        once(event: 'SIGINT', listener: () => void): this;
+        once(event: 'SIGTSTP', listener: () => void): this;
+        once(event: 'history', listener: (history: string[]) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'line', listener: (input: string) => void): this;
+        prependListener(event: 'pause', listener: () => void): this;
+        prependListener(event: 'resume', listener: () => void): this;
+        prependListener(event: 'SIGCONT', listener: () => void): this;
+        prependListener(event: 'SIGINT', listener: () => void): this;
+        prependListener(event: 'SIGTSTP', listener: () => void): this;
+        prependListener(event: 'history', listener: (history: string[]) => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'line', listener: (input: string) => void): this;
+        prependOnceListener(event: 'pause', listener: () => void): this;
+        prependOnceListener(event: 'resume', listener: () => void): this;
+        prependOnceListener(event: 'SIGCONT', listener: () => void): this;
+        prependOnceListener(event: 'SIGINT', listener: () => void): this;
+        prependOnceListener(event: 'SIGTSTP', listener: () => void): this;
+        prependOnceListener(event: 'history', listener: (history: string[]) => void): this;
+        [Symbol.asyncIterator](): AsyncIterableIterator<string>;
+    }
+    export type ReadLine = Interface; // type forwarded for backwards compatibility
+    export type Completer = (line: string) => CompleterResult;
+    export type AsyncCompleter = (line: string, callback: (err?: null | Error, result?: CompleterResult) => void) => void;
+    export type CompleterResult = [string[], string];
+    export interface ReadLineOptions {
+        input: NodeJS.ReadableStream;
+        output?: NodeJS.WritableStream | undefined;
+        completer?: Completer | AsyncCompleter | undefined;
+        terminal?: boolean | undefined;
+        /**
+         *  Initial list of history lines. This option makes sense
+         * only if `terminal` is set to `true` by the user or by an internal `output`
+         * check, otherwise the history caching mechanism is not initialized at all.
+         * @default []
+         */
+        history?: string[] | undefined;
+        historySize?: number | undefined;
+        prompt?: string | undefined;
+        crlfDelay?: number | undefined;
+        /**
+         * If `true`, when a new input line added
+         * to the history list duplicates an older one, this removes the older line
+         * from the list.
+         * @default false
+         */
+        removeHistoryDuplicates?: boolean | undefined;
+        escapeCodeTimeout?: number | undefined;
+        tabSize?: number | undefined;
+    }
+    /**
+     * The `readline.createInterface()` method creates a new `readline.Interface`instance.
+     *
+     * ```js
+     * const readline = require('readline');
+     * const rl = readline.createInterface({
+     *   input: process.stdin,
+     *   output: process.stdout
+     * });
+     * ```
+     *
+     * Once the `readline.Interface` instance is created, the most common case is to
+     * listen for the `'line'` event:
+     *
+     * ```js
+     * rl.on('line', (line) => {
+     *   console.log(`Received: ${line}`);
+     * });
+     * ```
+     *
+     * If `terminal` is `true` for this instance then the `output` stream will get
+     * the best compatibility if it defines an `output.columns` property and emits
+     * a `'resize'` event on the `output` if or when the columns ever change
+     * (`process.stdout` does this automatically when it is a TTY).
+     *
+     * When creating a `readline.Interface` using `stdin` as input, the program
+     * will not terminate until it receives `EOF` (Ctrl+D on
+     * Linux/macOS, Ctrl+Z followed by Return on
+     * Windows).
+     * If you want your application to exit without waiting for user input, you can `unref()` the standard input stream:
+     *
+     * ```js
+     * process.stdin.unref();
+     * ```
+     * @since v0.1.98
+     */
+    export function createInterface(input: NodeJS.ReadableStream, output?: NodeJS.WritableStream, completer?: Completer | AsyncCompleter, terminal?: boolean): Interface;
+    export function createInterface(options: ReadLineOptions): Interface;
+    /**
+     * The `readline.emitKeypressEvents()` method causes the given `Readable` stream to begin emitting `'keypress'` events corresponding to received input.
+     *
+     * Optionally, `interface` specifies a `readline.Interface` instance for which
+     * autocompletion is disabled when copy-pasted input is detected.
+     *
+     * If the `stream` is a `TTY`, then it must be in raw mode.
+     *
+     * This is automatically called by any readline instance on its `input` if the`input` is a terminal. Closing the `readline` instance does not stop
+     * the `input` from emitting `'keypress'` events.
+     *
+     * ```js
+     * readline.emitKeypressEvents(process.stdin);
+     * if (process.stdin.isTTY)
+     *   process.stdin.setRawMode(true);
+     * ```
+     *
+     * ## Example: Tiny CLI
+     *
+     * The following example illustrates the use of `readline.Interface` class to
+     * implement a small command-line interface:
+     *
+     * ```js
+     * const readline = require('readline');
+     * const rl = readline.createInterface({
+     *   input: process.stdin,
+     *   output: process.stdout,
+     *   prompt: 'OHAI> '
+     * });
+     *
+     * rl.prompt();
+     *
+     * rl.on('line', (line) => {
+     *   switch (line.trim()) {
+     *     case 'hello':
+     *       console.log('world!');
+     *       break;
+     *     default:
+     *       console.log(`Say what? I might have heard '${line.trim()}'`);
+     *       break;
+     *   }
+     *   rl.prompt();
+     * }).on('close', () => {
+     *   console.log('Have a great day!');
+     *   process.exit(0);
+     * });
+     * ```
+     *
+     * ## Example: Read file stream line-by-Line
+     *
+     * A common use case for `readline` is to consume an input file one line at a
+     * time. The easiest way to do so is leveraging the `fs.ReadStream` API as
+     * well as a `for await...of` loop:
+     *
+     * ```js
+     * const fs = require('fs');
+     * const readline = require('readline');
+     *
+     * async function processLineByLine() {
+     *   const fileStream = fs.createReadStream('input.txt');
+     *
+     *   const rl = readline.createInterface({
+     *     input: fileStream,
+     *     crlfDelay: Infinity
+     *   });
+     *   // Note: we use the crlfDelay option to recognize all instances of CR LF
+     *   // ('\r\n') in input.txt as a single line break.
+     *
+     *   for await (const line of rl) {
+     *     // Each line in input.txt will be successively available here as `line`.
+     *     console.log(`Line from file: ${line}`);
+     *   }
+     * }
+     *
+     * processLineByLine();
+     * ```
+     *
+     * Alternatively, one could use the `'line'` event:
+     *
+     * ```js
+     * const fs = require('fs');
+     * const readline = require('readline');
+     *
+     * const rl = readline.createInterface({
+     *   input: fs.createReadStream('sample.txt'),
+     *   crlfDelay: Infinity
+     * });
+     *
+     * rl.on('line', (line) => {
+     *   console.log(`Line from file: ${line}`);
+     * });
+     * ```
+     *
+     * Currently, `for await...of` loop can be a bit slower. If `async` / `await`flow and speed are both essential, a mixed approach can be applied:
+     *
+     * ```js
+     * const { once } = require('events');
+     * const { createReadStream } = require('fs');
+     * const { createInterface } = require('readline');
+     *
+     * (async function processLineByLine() {
+     *   try {
+     *     const rl = createInterface({
+     *       input: createReadStream('big-file.txt'),
+     *       crlfDelay: Infinity
+     *     });
+     *
+     *     rl.on('line', (line) => {
+     *       // Process the line.
+     *     });
+     *
+     *     await once(rl, 'close');
+     *
+     *     console.log('File processed.');
+     *   } catch (err) {
+     *     console.error(err);
+     *   }
+     * })();
+     * ```
+     * @since v0.7.7
+     */
+    export function emitKeypressEvents(stream: NodeJS.ReadableStream, readlineInterface?: Interface): void;
+    export type Direction = -1 | 0 | 1;
+    export interface CursorPos {
+        rows: number;
+        cols: number;
+    }
+    /**
+     * The `readline.clearLine()` method clears current line of given `TTY` stream
+     * in a specified direction identified by `dir`.
+     * @since v0.7.7
+     * @param callback Invoked once the operation completes.
+     * @return `false` if `stream` wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+     */
+    export function clearLine(stream: NodeJS.WritableStream, dir: Direction, callback?: () => void): boolean;
+    /**
+     * The `readline.clearScreenDown()` method clears the given `TTY` stream from
+     * the current position of the cursor down.
+     * @since v0.7.7
+     * @param callback Invoked once the operation completes.
+     * @return `false` if `stream` wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+     */
+    export function clearScreenDown(stream: NodeJS.WritableStream, callback?: () => void): boolean;
+    /**
+     * The `readline.cursorTo()` method moves cursor to the specified position in a
+     * given `TTY` `stream`.
+     * @since v0.7.7
+     * @param callback Invoked once the operation completes.
+     * @return `false` if `stream` wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+     */
+    export function cursorTo(stream: NodeJS.WritableStream, x: number, y?: number, callback?: () => void): boolean;
+    /**
+     * The `readline.moveCursor()` method moves the cursor _relative_ to its current
+     * position in a given `TTY` `stream`.
+     *
+     * ## Example: Tiny CLI
+     *
+     * The following example illustrates the use of `readline.Interface` class to
+     * implement a small command-line interface:
+     *
+     * ```js
+     * const readline = require('readline');
+     * const rl = readline.createInterface({
+     *   input: process.stdin,
+     *   output: process.stdout,
+     *   prompt: 'OHAI> '
+     * });
+     *
+     * rl.prompt();
+     *
+     * rl.on('line', (line) => {
+     *   switch (line.trim()) {
+     *     case 'hello':
+     *       console.log('world!');
+     *       break;
+     *     default:
+     *       console.log(`Say what? I might have heard '${line.trim()}'`);
+     *       break;
+     *   }
+     *   rl.prompt();
+     * }).on('close', () => {
+     *   console.log('Have a great day!');
+     *   process.exit(0);
+     * });
+     * ```
+     *
+     * ## Example: Read file stream line-by-Line
+     *
+     * A common use case for `readline` is to consume an input file one line at a
+     * time. The easiest way to do so is leveraging the `fs.ReadStream` API as
+     * well as a `for await...of` loop:
+     *
+     * ```js
+     * const fs = require('fs');
+     * const readline = require('readline');
+     *
+     * async function processLineByLine() {
+     *   const fileStream = fs.createReadStream('input.txt');
+     *
+     *   const rl = readline.createInterface({
+     *     input: fileStream,
+     *     crlfDelay: Infinity
+     *   });
+     *   // Note: we use the crlfDelay option to recognize all instances of CR LF
+     *   // ('\r\n') in input.txt as a single line break.
+     *
+     *   for await (const line of rl) {
+     *     // Each line in input.txt will be successively available here as `line`.
+     *     console.log(`Line from file: ${line}`);
+     *   }
+     * }
+     *
+     * processLineByLine();
+     * ```
+     *
+     * Alternatively, one could use the `'line'` event:
+     *
+     * ```js
+     * const fs = require('fs');
+     * const readline = require('readline');
+     *
+     * const rl = readline.createInterface({
+     *   input: fs.createReadStream('sample.txt'),
+     *   crlfDelay: Infinity
+     * });
+     *
+     * rl.on('line', (line) => {
+     *   console.log(`Line from file: ${line}`);
+     * });
+     * ```
+     *
+     * Currently, `for await...of` loop can be a bit slower. If `async` / `await`flow and speed are both essential, a mixed approach can be applied:
+     *
+     * ```js
+     * const { once } = require('events');
+     * const { createReadStream } = require('fs');
+     * const { createInterface } = require('readline');
+     *
+     * (async function processLineByLine() {
+     *   try {
+     *     const rl = createInterface({
+     *       input: createReadStream('big-file.txt'),
+     *       crlfDelay: Infinity
+     *     });
+     *
+     *     rl.on('line', (line) => {
+     *       // Process the line.
+     *     });
+     *
+     *     await once(rl, 'close');
+     *
+     *     console.log('File processed.');
+     *   } catch (err) {
+     *     console.error(err);
+     *   }
+     * })();
+     * ```
+     * @since v0.7.7
+     * @param callback Invoked once the operation completes.
+     * @return `false` if `stream` wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+     */
+    export function moveCursor(stream: NodeJS.WritableStream, dx: number, dy: number, callback?: () => void): boolean;
+}
+declare module 'node:readline' {
+    export * from 'readline';
+}
diff --git a/node_modules/@types/node/readline/promises.d.ts b/node_modules/@types/node/readline/promises.d.ts
new file mode 100644
index 000000000..8f9f06f0b
--- /dev/null
+++ b/node_modules/@types/node/readline/promises.d.ts
@@ -0,0 +1,143 @@
+/**
+ * The `readline/promise` module provides an API for reading lines of input from a Readable stream one line at a time.
+ *
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/readline/promises.js)
+ * @since v17.0.0
+ */
+declare module 'readline/promises' {
+    import { Interface as _Interface, ReadLineOptions, Completer, AsyncCompleter, Direction } from 'node:readline';
+    import { Abortable } from 'node:events';
+
+    class Interface extends _Interface {
+        /**
+         * The rl.question() method displays the query by writing it to the output, waits for user input to be provided on input,
+         * then invokes the callback function passing the provided input as the first argument.
+         *
+         * When called, rl.question() will resume the input stream if it has been paused.
+         *
+         * If the readlinePromises.Interface was created with output set to null or undefined the query is not written.
+         *
+         * If the question is called after rl.close(), it returns a rejected promise.
+         *
+         * Example usage:
+         *
+         * ```js
+         * const answer = await rl.question('What is your favorite food? ');
+         * console.log(`Oh, so your favorite food is ${answer}`);
+         * ```
+         *
+         * Using an AbortSignal to cancel a question.
+         *
+         * ```js
+         * const signal = AbortSignal.timeout(10_000);
+         *
+         * signal.addEventListener('abort', () => {
+         *   console.log('The food question timed out');
+         * }, { once: true });
+         *
+         * const answer = await rl.question('What is your favorite food? ', { signal });
+         * console.log(`Oh, so your favorite food is ${answer}`);
+         * ```
+         *
+         * @since v17.0.0
+         * @param query A statement or query to write to output, prepended to the prompt.
+         */
+        question(query: string): Promise<string>;
+        question(query: string, options: Abortable): Promise<string>;
+    }
+
+    class Readline {
+        /**
+         * @param stream A TTY stream.
+         */
+        constructor(stream: NodeJS.WritableStream, options?: { autoCommit?: boolean });
+        /**
+         * The `rl.clearLine()` method adds to the internal list of pending action an action that clears current line of the associated `stream` in a specified direction identified by `dir`.
+         * Call `rl.commit()` to see the effect of this method, unless `autoCommit: true` was passed to the constructor.
+         */
+        clearLine(dir: Direction): this;
+        /**
+         * The `rl.clearScreenDown()` method adds to the internal list of pending action an action that clears the associated `stream` from the current position of the cursor down.
+         * Call `rl.commit()` to see the effect of this method, unless `autoCommit: true` was passed to the constructor.
+         */
+        clearScreenDown(): this;
+        /**
+         * The `rl.commit()` method sends all the pending actions to the associated `stream` and clears the internal list of pending actions.
+         */
+        commit(): Promise<void>;
+        /**
+         * The `rl.cursorTo()` method adds to the internal list of pending action an action that moves cursor to the specified position in the associated `stream`.
+         * Call `rl.commit()` to see the effect of this method, unless `autoCommit: true` was passed to the constructor.
+         */
+        cursorTo(x: number, y?: number): this;
+        /**
+         * The `rl.moveCursor()` method adds to the internal list of pending action an action that moves the cursor relative to its current position in the associated `stream`.
+         * Call `rl.commit()` to see the effect of this method, unless autoCommit: true was passed to the constructor.
+         */
+        moveCursor(dx: number, dy: number): this;
+        /**
+         * The `rl.rollback()` method clears the internal list of pending actions without sending it to the associated `stream`.
+         */
+        rollback(): this;
+    }
+
+    /**
+     * The `readlinePromises.createInterface()` method creates a new `readlinePromises.Interface` instance.
+     *
+     * ```js
+     * const readlinePromises = require('node:readline/promises');
+     * const rl = readlinePromises.createInterface({
+     *   input: process.stdin,
+     *   output: process.stdout
+     * });
+     * ```
+     *
+     * Once the `readlinePromises.Interface` instance is created, the most common case is to listen for the `'line'` event:
+     *
+     * ```js
+     * rl.on('line', (line) => {
+     *   console.log(`Received: ${line}`);
+     * });
+     * ```
+     *
+     * If `terminal` is `true` for this instance then the `output` stream will get the best compatibility if it defines an `output.columns` property,
+     * and emits a `'resize'` event on the `output`, if or when the columns ever change (`process.stdout` does this automatically when it is a TTY).
+     *
+     * ## Use of the `completer` function
+     *
+     * The `completer` function takes the current line entered by the user as an argument, and returns an `Array` with 2 entries:
+     *
+     * - An Array with matching entries for the completion.
+     * - The substring that was used for the matching.
+     *
+     * For instance: `[[substr1, substr2, ...], originalsubstring]`.
+     *
+     * ```js
+     * function completer(line) {
+     *   const completions = '.help .error .exit .quit .q'.split(' ');
+     *   const hits = completions.filter((c) => c.startsWith(line));
+     *   // Show all completions if none found
+     *   return [hits.length ? hits : completions, line];
+     * }
+     * ```
+     *
+     * The `completer` function can also returns a `Promise`, or be asynchronous:
+     *
+     * ```js
+     * async function completer(linePartial) {
+     *   await someAsyncWork();
+     *   return [['123'], linePartial];
+     * }
+     * ```
+     */
+    function createInterface(
+        input: NodeJS.ReadableStream,
+        output?: NodeJS.WritableStream,
+        completer?: Completer | AsyncCompleter,
+        terminal?: boolean,
+    ): Interface;
+    function createInterface(options: ReadLineOptions): Interface;
+}
+declare module 'node:readline/promises' {
+    export * from 'readline/promises';
+}
diff --git a/node_modules/@types/node/repl.d.ts b/node_modules/@types/node/repl.d.ts
new file mode 100644
index 000000000..be42ccc4a
--- /dev/null
+++ b/node_modules/@types/node/repl.d.ts
@@ -0,0 +1,424 @@
+/**
+ * The `repl` module provides a Read-Eval-Print-Loop (REPL) implementation that
+ * is available both as a standalone program or includible in other applications.
+ * It can be accessed using:
+ *
+ * ```js
+ * const repl = require('repl');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/repl.js)
+ */
+declare module 'repl' {
+    import { Interface, Completer, AsyncCompleter } from 'node:readline';
+    import { Context } from 'node:vm';
+    import { InspectOptions } from 'node:util';
+    interface ReplOptions {
+        /**
+         * The input prompt to display.
+         * @default "> "
+         */
+        prompt?: string | undefined;
+        /**
+         * The `Readable` stream from which REPL input will be read.
+         * @default process.stdin
+         */
+        input?: NodeJS.ReadableStream | undefined;
+        /**
+         * The `Writable` stream to which REPL output will be written.
+         * @default process.stdout
+         */
+        output?: NodeJS.WritableStream | undefined;
+        /**
+         * If `true`, specifies that the output should be treated as a TTY terminal, and have
+         * ANSI/VT100 escape codes written to it.
+         * Default: checking the value of the `isTTY` property on the output stream upon
+         * instantiation.
+         */
+        terminal?: boolean | undefined;
+        /**
+         * The function to be used when evaluating each given line of input.
+         * Default: an async wrapper for the JavaScript `eval()` function. An `eval` function can
+         * error with `repl.Recoverable` to indicate the input was incomplete and prompt for
+         * additional lines.
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_default_evaluation
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_custom_evaluation_functions
+         */
+        eval?: REPLEval | undefined;
+        /**
+         * Defines if the repl prints output previews or not.
+         * @default `true` Always `false` in case `terminal` is falsy.
+         */
+        preview?: boolean | undefined;
+        /**
+         * If `true`, specifies that the default `writer` function should include ANSI color
+         * styling to REPL output. If a custom `writer` function is provided then this has no
+         * effect.
+         * Default: the REPL instance's `terminal` value.
+         */
+        useColors?: boolean | undefined;
+        /**
+         * If `true`, specifies that the default evaluation function will use the JavaScript
+         * `global` as the context as opposed to creating a new separate context for the REPL
+         * instance. The node CLI REPL sets this value to `true`.
+         * Default: `false`.
+         */
+        useGlobal?: boolean | undefined;
+        /**
+         * If `true`, specifies that the default writer will not output the return value of a
+         * command if it evaluates to `undefined`.
+         * Default: `false`.
+         */
+        ignoreUndefined?: boolean | undefined;
+        /**
+         * The function to invoke to format the output of each command before writing to `output`.
+         * Default: a wrapper for `util.inspect`.
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_customizing_repl_output
+         */
+        writer?: REPLWriter | undefined;
+        /**
+         * An optional function used for custom Tab auto completion.
+         *
+         * @see https://nodejs.org/dist/latest-v11.x/docs/api/readline.html#readline_use_of_the_completer_function
+         */
+        completer?: Completer | AsyncCompleter | undefined;
+        /**
+         * A flag that specifies whether the default evaluator executes all JavaScript commands in
+         * strict mode or default (sloppy) mode.
+         * Accepted values are:
+         * - `repl.REPL_MODE_SLOPPY` - evaluates expressions in sloppy mode.
+         * - `repl.REPL_MODE_STRICT` - evaluates expressions in strict mode. This is equivalent to
+         *   prefacing every repl statement with `'use strict'`.
+         */
+        replMode?: typeof REPL_MODE_SLOPPY | typeof REPL_MODE_STRICT | undefined;
+        /**
+         * Stop evaluating the current piece of code when `SIGINT` is received, i.e. `Ctrl+C` is
+         * pressed. This cannot be used together with a custom `eval` function.
+         * Default: `false`.
+         */
+        breakEvalOnSigint?: boolean | undefined;
+    }
+    type REPLEval = (this: REPLServer, evalCmd: string, context: Context, file: string, cb: (err: Error | null, result: any) => void) => void;
+    type REPLWriter = (this: REPLServer, obj: any) => string;
+    /**
+     * This is the default "writer" value, if none is passed in the REPL options,
+     * and it can be overridden by custom print functions.
+     */
+    const writer: REPLWriter & {
+        options: InspectOptions;
+    };
+    type REPLCommandAction = (this: REPLServer, text: string) => void;
+    interface REPLCommand {
+        /**
+         * Help text to be displayed when `.help` is entered.
+         */
+        help?: string | undefined;
+        /**
+         * The function to execute, optionally accepting a single string argument.
+         */
+        action: REPLCommandAction;
+    }
+    /**
+     * Instances of `repl.REPLServer` are created using the {@link start} method
+     * or directly using the JavaScript `new` keyword.
+     *
+     * ```js
+     * const repl = require('repl');
+     *
+     * const options = { useColors: true };
+     *
+     * const firstInstance = repl.start(options);
+     * const secondInstance = new repl.REPLServer(options);
+     * ```
+     * @since v0.1.91
+     */
+    class REPLServer extends Interface {
+        /**
+         * The `vm.Context` provided to the `eval` function to be used for JavaScript
+         * evaluation.
+         */
+        readonly context: Context;
+        /**
+         * @deprecated since v14.3.0 - Use `input` instead.
+         */
+        readonly inputStream: NodeJS.ReadableStream;
+        /**
+         * @deprecated since v14.3.0 - Use `output` instead.
+         */
+        readonly outputStream: NodeJS.WritableStream;
+        /**
+         * The `Readable` stream from which REPL input will be read.
+         */
+        readonly input: NodeJS.ReadableStream;
+        /**
+         * The `Writable` stream to which REPL output will be written.
+         */
+        readonly output: NodeJS.WritableStream;
+        /**
+         * The commands registered via `replServer.defineCommand()`.
+         */
+        readonly commands: NodeJS.ReadOnlyDict<REPLCommand>;
+        /**
+         * A value indicating whether the REPL is currently in "editor mode".
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_commands_and_special_keys
+         */
+        readonly editorMode: boolean;
+        /**
+         * A value indicating whether the `_` variable has been assigned.
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_assignment_of_the_underscore_variable
+         */
+        readonly underscoreAssigned: boolean;
+        /**
+         * The last evaluation result from the REPL (assigned to the `_` variable inside of the REPL).
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_assignment_of_the_underscore_variable
+         */
+        readonly last: any;
+        /**
+         * A value indicating whether the `_error` variable has been assigned.
+         *
+         * @since v9.8.0
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_assignment_of_the_underscore_variable
+         */
+        readonly underscoreErrAssigned: boolean;
+        /**
+         * The last error raised inside the REPL (assigned to the `_error` variable inside of the REPL).
+         *
+         * @since v9.8.0
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_assignment_of_the_underscore_variable
+         */
+        readonly lastError: any;
+        /**
+         * Specified in the REPL options, this is the function to be used when evaluating each
+         * given line of input. If not specified in the REPL options, this is an async wrapper
+         * for the JavaScript `eval()` function.
+         */
+        readonly eval: REPLEval;
+        /**
+         * Specified in the REPL options, this is a value indicating whether the default
+         * `writer` function should include ANSI color styling to REPL output.
+         */
+        readonly useColors: boolean;
+        /**
+         * Specified in the REPL options, this is a value indicating whether the default `eval`
+         * function will use the JavaScript `global` as the context as opposed to creating a new
+         * separate context for the REPL instance.
+         */
+        readonly useGlobal: boolean;
+        /**
+         * Specified in the REPL options, this is a value indicating whether the default `writer`
+         * function should output the result of a command if it evaluates to `undefined`.
+         */
+        readonly ignoreUndefined: boolean;
+        /**
+         * Specified in the REPL options, this is the function to invoke to format the output of
+         * each command before writing to `outputStream`. If not specified in the REPL options,
+         * this will be a wrapper for `util.inspect`.
+         */
+        readonly writer: REPLWriter;
+        /**
+         * Specified in the REPL options, this is the function to use for custom Tab auto-completion.
+         */
+        readonly completer: Completer | AsyncCompleter;
+        /**
+         * Specified in the REPL options, this is a flag that specifies whether the default `eval`
+         * function should execute all JavaScript commands in strict mode or default (sloppy) mode.
+         * Possible values are:
+         * - `repl.REPL_MODE_SLOPPY` - evaluates expressions in sloppy mode.
+         * - `repl.REPL_MODE_STRICT` - evaluates expressions in strict mode. This is equivalent to
+         *    prefacing every repl statement with `'use strict'`.
+         */
+        readonly replMode: typeof REPL_MODE_SLOPPY | typeof REPL_MODE_STRICT;
+        /**
+         * NOTE: According to the documentation:
+         *
+         * > Instances of `repl.REPLServer` are created using the `repl.start()` method and
+         * > _should not_ be created directly using the JavaScript `new` keyword.
+         *
+         * `REPLServer` cannot be subclassed due to implementation specifics in NodeJS.
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_class_replserver
+         */
+        private constructor();
+        /**
+         * The `replServer.defineCommand()` method is used to add new `.`\-prefixed commands
+         * to the REPL instance. Such commands are invoked by typing a `.` followed by the`keyword`. The `cmd` is either a `Function` or an `Object` with the following
+         * properties:
+         *
+         * The following example shows two new commands added to the REPL instance:
+         *
+         * ```js
+         * const repl = require('repl');
+         *
+         * const replServer = repl.start({ prompt: '> ' });
+         * replServer.defineCommand('sayhello', {
+         *   help: 'Say hello',
+         *   action(name) {
+         *     this.clearBufferedCommand();
+         *     console.log(`Hello, ${name}!`);
+         *     this.displayPrompt();
+         *   }
+         * });
+         * replServer.defineCommand('saybye', function saybye() {
+         *   console.log('Goodbye!');
+         *   this.close();
+         * });
+         * ```
+         *
+         * The new commands can then be used from within the REPL instance:
+         *
+         * ```console
+         * > .sayhello Node.js User
+         * Hello, Node.js User!
+         * > .saybye
+         * Goodbye!
+         * ```
+         * @since v0.3.0
+         * @param keyword The command keyword (_without_ a leading `.` character).
+         * @param cmd The function to invoke when the command is processed.
+         */
+        defineCommand(keyword: string, cmd: REPLCommandAction | REPLCommand): void;
+        /**
+         * The `replServer.displayPrompt()` method readies the REPL instance for input
+         * from the user, printing the configured `prompt` to a new line in the `output`and resuming the `input` to accept new input.
+         *
+         * When multi-line input is being entered, an ellipsis is printed rather than the
+         * 'prompt'.
+         *
+         * When `preserveCursor` is `true`, the cursor placement will not be reset to `0`.
+         *
+         * The `replServer.displayPrompt` method is primarily intended to be called from
+         * within the action function for commands registered using the`replServer.defineCommand()` method.
+         * @since v0.1.91
+         */
+        displayPrompt(preserveCursor?: boolean): void;
+        /**
+         * The `replServer.clearBufferedCommand()` method clears any command that has been
+         * buffered but not yet executed. This method is primarily intended to be
+         * called from within the action function for commands registered using the`replServer.defineCommand()` method.
+         * @since v9.0.0
+         */
+        clearBufferedCommand(): void;
+        /**
+         * Initializes a history log file for the REPL instance. When executing the
+         * Node.js binary and using the command-line REPL, a history file is initialized
+         * by default. However, this is not the case when creating a REPL
+         * programmatically. Use this method to initialize a history log file when working
+         * with REPL instances programmatically.
+         * @since v11.10.0
+         * @param historyPath the path to the history file
+         * @param callback called when history writes are ready or upon error
+         */
+        setupHistory(path: string, callback: (err: Error | null, repl: this) => void): void;
+        /**
+         * events.EventEmitter
+         * 1. close - inherited from `readline.Interface`
+         * 2. line - inherited from `readline.Interface`
+         * 3. pause - inherited from `readline.Interface`
+         * 4. resume - inherited from `readline.Interface`
+         * 5. SIGCONT - inherited from `readline.Interface`
+         * 6. SIGINT - inherited from `readline.Interface`
+         * 7. SIGTSTP - inherited from `readline.Interface`
+         * 8. exit
+         * 9. reset
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'line', listener: (input: string) => void): this;
+        addListener(event: 'pause', listener: () => void): this;
+        addListener(event: 'resume', listener: () => void): this;
+        addListener(event: 'SIGCONT', listener: () => void): this;
+        addListener(event: 'SIGINT', listener: () => void): this;
+        addListener(event: 'SIGTSTP', listener: () => void): this;
+        addListener(event: 'exit', listener: () => void): this;
+        addListener(event: 'reset', listener: (context: Context) => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'line', input: string): boolean;
+        emit(event: 'pause'): boolean;
+        emit(event: 'resume'): boolean;
+        emit(event: 'SIGCONT'): boolean;
+        emit(event: 'SIGINT'): boolean;
+        emit(event: 'SIGTSTP'): boolean;
+        emit(event: 'exit'): boolean;
+        emit(event: 'reset', context: Context): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'line', listener: (input: string) => void): this;
+        on(event: 'pause', listener: () => void): this;
+        on(event: 'resume', listener: () => void): this;
+        on(event: 'SIGCONT', listener: () => void): this;
+        on(event: 'SIGINT', listener: () => void): this;
+        on(event: 'SIGTSTP', listener: () => void): this;
+        on(event: 'exit', listener: () => void): this;
+        on(event: 'reset', listener: (context: Context) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'line', listener: (input: string) => void): this;
+        once(event: 'pause', listener: () => void): this;
+        once(event: 'resume', listener: () => void): this;
+        once(event: 'SIGCONT', listener: () => void): this;
+        once(event: 'SIGINT', listener: () => void): this;
+        once(event: 'SIGTSTP', listener: () => void): this;
+        once(event: 'exit', listener: () => void): this;
+        once(event: 'reset', listener: (context: Context) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'line', listener: (input: string) => void): this;
+        prependListener(event: 'pause', listener: () => void): this;
+        prependListener(event: 'resume', listener: () => void): this;
+        prependListener(event: 'SIGCONT', listener: () => void): this;
+        prependListener(event: 'SIGINT', listener: () => void): this;
+        prependListener(event: 'SIGTSTP', listener: () => void): this;
+        prependListener(event: 'exit', listener: () => void): this;
+        prependListener(event: 'reset', listener: (context: Context) => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'line', listener: (input: string) => void): this;
+        prependOnceListener(event: 'pause', listener: () => void): this;
+        prependOnceListener(event: 'resume', listener: () => void): this;
+        prependOnceListener(event: 'SIGCONT', listener: () => void): this;
+        prependOnceListener(event: 'SIGINT', listener: () => void): this;
+        prependOnceListener(event: 'SIGTSTP', listener: () => void): this;
+        prependOnceListener(event: 'exit', listener: () => void): this;
+        prependOnceListener(event: 'reset', listener: (context: Context) => void): this;
+    }
+    /**
+     * A flag passed in the REPL options. Evaluates expressions in sloppy mode.
+     */
+    const REPL_MODE_SLOPPY: unique symbol;
+    /**
+     * A flag passed in the REPL options. Evaluates expressions in strict mode.
+     * This is equivalent to prefacing every repl statement with `'use strict'`.
+     */
+    const REPL_MODE_STRICT: unique symbol;
+    /**
+     * The `repl.start()` method creates and starts a {@link REPLServer} instance.
+     *
+     * If `options` is a string, then it specifies the input prompt:
+     *
+     * ```js
+     * const repl = require('repl');
+     *
+     * // a Unix style prompt
+     * repl.start('$ ');
+     * ```
+     * @since v0.1.91
+     */
+    function start(options?: string | ReplOptions): REPLServer;
+    /**
+     * Indicates a recoverable error that a `REPLServer` can use to support multi-line input.
+     *
+     * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_recoverable_errors
+     */
+    class Recoverable extends SyntaxError {
+        err: Error;
+        constructor(err: Error);
+    }
+}
+declare module 'node:repl' {
+    export * from 'repl';
+}
diff --git a/node_modules/@types/node/stream.d.ts b/node_modules/@types/node/stream.d.ts
new file mode 100644
index 000000000..d478f335c
--- /dev/null
+++ b/node_modules/@types/node/stream.d.ts
@@ -0,0 +1,1339 @@
+/**
+ * A stream is an abstract interface for working with streaming data in Node.js.
+ * The `stream` module provides an API for implementing the stream interface.
+ *
+ * There are many stream objects provided by Node.js. For instance, a `request to an HTTP server` and `process.stdout` are both stream instances.
+ *
+ * Streams can be readable, writable, or both. All streams are instances of `EventEmitter`.
+ *
+ * To access the `stream` module:
+ *
+ * ```js
+ * const stream = require('stream');
+ * ```
+ *
+ * The `stream` module is useful for creating new types of stream instances. It is
+ * usually not necessary to use the `stream` module to consume streams.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/stream.js)
+ */
+declare module 'stream' {
+    import { EventEmitter, Abortable } from 'node:events';
+    import * as streamPromises from 'node:stream/promises';
+    import * as streamConsumers from 'node:stream/consumers';
+    import * as streamWeb from 'node:stream/web';
+    class internal extends EventEmitter {
+        pipe<T extends NodeJS.WritableStream>(
+            destination: T,
+            options?: {
+                end?: boolean | undefined;
+            }
+        ): T;
+    }
+    namespace internal {
+        class Stream extends internal {
+            constructor(opts?: ReadableOptions);
+        }
+        interface StreamOptions<T extends Stream> extends Abortable {
+            emitClose?: boolean | undefined;
+            highWaterMark?: number | undefined;
+            objectMode?: boolean | undefined;
+            construct?(this: T, callback: (error?: Error | null) => void): void;
+            destroy?(this: T, error: Error | null, callback: (error: Error | null) => void): void;
+            autoDestroy?: boolean | undefined;
+        }
+        interface ReadableOptions extends StreamOptions<Readable> {
+            encoding?: BufferEncoding | undefined;
+            read?(this: Readable, size: number): void;
+        }
+        /**
+         * @since v0.9.4
+         */
+        class Readable extends Stream implements NodeJS.ReadableStream {
+            /**
+             * A utility method for creating Readable Streams out of iterators.
+             */
+            static from(iterable: Iterable<any> | AsyncIterable<any>, options?: ReadableOptions): Readable;
+            /**
+             * A utility method for creating a `Readable` from a web `ReadableStream`.
+             * @since v17.0.0
+             * @experimental
+             */
+            static fromWeb(readableStream: streamWeb.ReadableStream, options?: Pick<ReadableOptions, 'encoding' | 'highWaterMark' | 'objectMode' | 'signal'>): Readable;
+            /**
+             * Returns whether the stream has been read from or cancelled.
+             * @since v16.8.0
+             */
+            static isDisturbed(stream: Readable | NodeJS.ReadableStream): boolean;
+            /**
+             * A utility method for creating a web `ReadableStream` from a `Readable`.
+             * @since v17.0.0
+             * @experimental
+             */
+            static toWeb(streamReadable: Readable): streamWeb.ReadableStream;
+            /**
+             * Returns whether the stream was destroyed or errored before emitting `'end'`.
+             * @since v16.8.0
+             * @experimental
+             */
+            readonly readableAborted: boolean;
+            /**
+             * Is `true` if it is safe to call `readable.read()`, which means
+             * the stream has not been destroyed or emitted `'error'` or `'end'`.
+             * @since v11.4.0
+             */
+            readable: boolean;
+            /**
+             * Returns whether `'data'` has been emitted.
+             * @since v16.7.0, v14.18.0
+             * @experimental
+             */
+            readonly readableDidRead: boolean;
+            /**
+             * Getter for the property `encoding` of a given `Readable` stream. The `encoding`property can be set using the `readable.setEncoding()` method.
+             * @since v12.7.0
+             */
+            readonly readableEncoding: BufferEncoding | null;
+            /**
+             * Becomes `true` when `'end'` event is emitted.
+             * @since v12.9.0
+             */
+            readonly readableEnded: boolean;
+            /**
+             * This property reflects the current state of a `Readable` stream as described
+             * in the `Three states` section.
+             * @since v9.4.0
+             */
+            readonly readableFlowing: boolean | null;
+            /**
+             * Returns the value of `highWaterMark` passed when creating this `Readable`.
+             * @since v9.3.0
+             */
+            readonly readableHighWaterMark: number;
+            /**
+             * This property contains the number of bytes (or objects) in the queue
+             * ready to be read. The value provides introspection data regarding
+             * the status of the `highWaterMark`.
+             * @since v9.4.0
+             */
+            readonly readableLength: number;
+            /**
+             * Getter for the property `objectMode` of a given `Readable` stream.
+             * @since v12.3.0
+             */
+            readonly readableObjectMode: boolean;
+            /**
+             * Is `true` after `readable.destroy()` has been called.
+             * @since v18.0.0
+             */
+            destroyed: boolean;
+            /**
+             * Is true after 'close' has been emitted.
+             * @since v8.0.0
+             */
+            readonly closed: boolean;
+            /**
+             * Returns error if the stream has been destroyed with an error.
+             * @since v18.0.0
+             */
+            readonly errored: Error | null;
+            constructor(opts?: ReadableOptions);
+            _construct?(callback: (error?: Error | null) => void): void;
+            _read(size: number): void;
+            /**
+             * The `readable.read()` method reads data out of the internal buffer and
+             * returns it. If no data is available to be read, `null` is returned. By default,
+             * the data is returned as a `Buffer` object unless an encoding has been
+             * specified using the `readable.setEncoding()` method or the stream is operating
+             * in object mode.
+             *
+             * The optional `size` argument specifies a specific number of bytes to read. If`size` bytes are not available to be read, `null` will be returned _unless_the stream has ended, in which
+             * case all of the data remaining in the internal
+             * buffer will be returned.
+             *
+             * If the `size` argument is not specified, all of the data contained in the
+             * internal buffer will be returned.
+             *
+             * The `size` argument must be less than or equal to 1 GiB.
+             *
+             * The `readable.read()` method should only be called on `Readable` streams
+             * operating in paused mode. In flowing mode, `readable.read()` is called
+             * automatically until the internal buffer is fully drained.
+             *
+             * ```js
+             * const readable = getReadableStreamSomehow();
+             *
+             * // 'readable' may be triggered multiple times as data is buffered in
+             * readable.on('readable', () => {
+             *   let chunk;
+             *   console.log('Stream is readable (new data received in buffer)');
+             *   // Use a loop to make sure we read all currently available data
+             *   while (null !== (chunk = readable.read())) {
+             *     console.log(`Read ${chunk.length} bytes of data...`);
+             *   }
+             * });
+             *
+             * // 'end' will be triggered once when there is no more data available
+             * readable.on('end', () => {
+             *   console.log('Reached end of stream.');
+             * });
+             * ```
+             *
+             * Each call to `readable.read()` returns a chunk of data, or `null`. The chunks
+             * are not concatenated. A `while` loop is necessary to consume all data
+             * currently in the buffer. When reading a large file `.read()` may return `null`,
+             * having consumed all buffered content so far, but there is still more data to
+             * come not yet buffered. In this case a new `'readable'` event will be emitted
+             * when there is more data in the buffer. Finally the `'end'` event will be
+             * emitted when there is no more data to come.
+             *
+             * Therefore to read a file's whole contents from a `readable`, it is necessary
+             * to collect chunks across multiple `'readable'` events:
+             *
+             * ```js
+             * const chunks = [];
+             *
+             * readable.on('readable', () => {
+             *   let chunk;
+             *   while (null !== (chunk = readable.read())) {
+             *     chunks.push(chunk);
+             *   }
+             * });
+             *
+             * readable.on('end', () => {
+             *   const content = chunks.join('');
+             * });
+             * ```
+             *
+             * A `Readable` stream in object mode will always return a single item from
+             * a call to `readable.read(size)`, regardless of the value of the`size` argument.
+             *
+             * If the `readable.read()` method returns a chunk of data, a `'data'` event will
+             * also be emitted.
+             *
+             * Calling {@link read} after the `'end'` event has
+             * been emitted will return `null`. No runtime error will be raised.
+             * @since v0.9.4
+             * @param size Optional argument to specify how much data to read.
+             */
+            read(size?: number): any;
+            /**
+             * The `readable.setEncoding()` method sets the character encoding for
+             * data read from the `Readable` stream.
+             *
+             * By default, no encoding is assigned and stream data will be returned as`Buffer` objects. Setting an encoding causes the stream data
+             * to be returned as strings of the specified encoding rather than as `Buffer`objects. For instance, calling `readable.setEncoding('utf8')` will cause the
+             * output data to be interpreted as UTF-8 data, and passed as strings. Calling`readable.setEncoding('hex')` will cause the data to be encoded in hexadecimal
+             * string format.
+             *
+             * The `Readable` stream will properly handle multi-byte characters delivered
+             * through the stream that would otherwise become improperly decoded if simply
+             * pulled from the stream as `Buffer` objects.
+             *
+             * ```js
+             * const readable = getReadableStreamSomehow();
+             * readable.setEncoding('utf8');
+             * readable.on('data', (chunk) => {
+             *   assert.equal(typeof chunk, 'string');
+             *   console.log('Got %d characters of string data:', chunk.length);
+             * });
+             * ```
+             * @since v0.9.4
+             * @param encoding The encoding to use.
+             */
+            setEncoding(encoding: BufferEncoding): this;
+            /**
+             * The `readable.pause()` method will cause a stream in flowing mode to stop
+             * emitting `'data'` events, switching out of flowing mode. Any data that
+             * becomes available will remain in the internal buffer.
+             *
+             * ```js
+             * const readable = getReadableStreamSomehow();
+             * readable.on('data', (chunk) => {
+             *   console.log(`Received ${chunk.length} bytes of data.`);
+             *   readable.pause();
+             *   console.log('There will be no additional data for 1 second.');
+             *   setTimeout(() => {
+             *     console.log('Now data will start flowing again.');
+             *     readable.resume();
+             *   }, 1000);
+             * });
+             * ```
+             *
+             * The `readable.pause()` method has no effect if there is a `'readable'`event listener.
+             * @since v0.9.4
+             */
+            pause(): this;
+            /**
+             * The `readable.resume()` method causes an explicitly paused `Readable` stream to
+             * resume emitting `'data'` events, switching the stream into flowing mode.
+             *
+             * The `readable.resume()` method can be used to fully consume the data from a
+             * stream without actually processing any of that data:
+             *
+             * ```js
+             * getReadableStreamSomehow()
+             *   .resume()
+             *   .on('end', () => {
+             *     console.log('Reached the end, but did not read anything.');
+             *   });
+             * ```
+             *
+             * The `readable.resume()` method has no effect if there is a `'readable'`event listener.
+             * @since v0.9.4
+             */
+            resume(): this;
+            /**
+             * The `readable.isPaused()` method returns the current operating state of the`Readable`. This is used primarily by the mechanism that underlies the`readable.pipe()` method. In most
+             * typical cases, there will be no reason to
+             * use this method directly.
+             *
+             * ```js
+             * const readable = new stream.Readable();
+             *
+             * readable.isPaused(); // === false
+             * readable.pause();
+             * readable.isPaused(); // === true
+             * readable.resume();
+             * readable.isPaused(); // === false
+             * ```
+             * @since v0.11.14
+             */
+            isPaused(): boolean;
+            /**
+             * The `readable.unpipe()` method detaches a `Writable` stream previously attached
+             * using the {@link pipe} method.
+             *
+             * If the `destination` is not specified, then _all_ pipes are detached.
+             *
+             * If the `destination` is specified, but no pipe is set up for it, then
+             * the method does nothing.
+             *
+             * ```js
+             * const fs = require('fs');
+             * const readable = getReadableStreamSomehow();
+             * const writable = fs.createWriteStream('file.txt');
+             * // All the data from readable goes into 'file.txt',
+             * // but only for the first second.
+             * readable.pipe(writable);
+             * setTimeout(() => {
+             *   console.log('Stop writing to file.txt.');
+             *   readable.unpipe(writable);
+             *   console.log('Manually close the file stream.');
+             *   writable.end();
+             * }, 1000);
+             * ```
+             * @since v0.9.4
+             * @param destination Optional specific stream to unpipe
+             */
+            unpipe(destination?: NodeJS.WritableStream): this;
+            /**
+             * Passing `chunk` as `null` signals the end of the stream (EOF) and behaves the
+             * same as `readable.push(null)`, after which no more data can be written. The EOF
+             * signal is put at the end of the buffer and any buffered data will still be
+             * flushed.
+             *
+             * The `readable.unshift()` method pushes a chunk of data back into the internal
+             * buffer. This is useful in certain situations where a stream is being consumed by
+             * code that needs to "un-consume" some amount of data that it has optimistically
+             * pulled out of the source, so that the data can be passed on to some other party.
+             *
+             * The `stream.unshift(chunk)` method cannot be called after the `'end'` event
+             * has been emitted or a runtime error will be thrown.
+             *
+             * Developers using `stream.unshift()` often should consider switching to
+             * use of a `Transform` stream instead. See the `API for stream implementers` section for more information.
+             *
+             * ```js
+             * // Pull off a header delimited by \n\n.
+             * // Use unshift() if we get too much.
+             * // Call the callback with (error, header, stream).
+             * const { StringDecoder } = require('string_decoder');
+             * function parseHeader(stream, callback) {
+             *   stream.on('error', callback);
+             *   stream.on('readable', onReadable);
+             *   const decoder = new StringDecoder('utf8');
+             *   let header = '';
+             *   function onReadable() {
+             *     let chunk;
+             *     while (null !== (chunk = stream.read())) {
+             *       const str = decoder.write(chunk);
+             *       if (str.includes('\n\n')) {
+             *         // Found the header boundary.
+             *         const split = str.split(/\n\n/);
+             *         header += split.shift();
+             *         const remaining = split.join('\n\n');
+             *         const buf = Buffer.from(remaining, 'utf8');
+             *         stream.removeListener('error', callback);
+             *         // Remove the 'readable' listener before unshifting.
+             *         stream.removeListener('readable', onReadable);
+             *         if (buf.length)
+             *           stream.unshift(buf);
+             *         // Now the body of the message can be read from the stream.
+             *         callback(null, header, stream);
+             *         return;
+             *       }
+             *       // Still reading the header.
+             *       header += str;
+             *     }
+             *   }
+             * }
+             * ```
+             *
+             * Unlike {@link push}, `stream.unshift(chunk)` will not
+             * end the reading process by resetting the internal reading state of the stream.
+             * This can cause unexpected results if `readable.unshift()` is called during a
+             * read (i.e. from within a {@link _read} implementation on a
+             * custom stream). Following the call to `readable.unshift()` with an immediate {@link push} will reset the reading state appropriately,
+             * however it is best to simply avoid calling `readable.unshift()` while in the
+             * process of performing a read.
+             * @since v0.9.11
+             * @param chunk Chunk of data to unshift onto the read queue. For streams not operating in object mode, `chunk` must be a string, `Buffer`, `Uint8Array` or `null`. For object mode
+             * streams, `chunk` may be any JavaScript value.
+             * @param encoding Encoding of string chunks. Must be a valid `Buffer` encoding, such as `'utf8'` or `'ascii'`.
+             */
+            unshift(chunk: any, encoding?: BufferEncoding): void;
+            /**
+             * Prior to Node.js 0.10, streams did not implement the entire `stream` module API
+             * as it is currently defined. (See `Compatibility` for more information.)
+             *
+             * When using an older Node.js library that emits `'data'` events and has a {@link pause} method that is advisory only, the`readable.wrap()` method can be used to create a `Readable`
+             * stream that uses
+             * the old stream as its data source.
+             *
+             * It will rarely be necessary to use `readable.wrap()` but the method has been
+             * provided as a convenience for interacting with older Node.js applications and
+             * libraries.
+             *
+             * ```js
+             * const { OldReader } = require('./old-api-module.js');
+             * const { Readable } = require('stream');
+             * const oreader = new OldReader();
+             * const myReader = new Readable().wrap(oreader);
+             *
+             * myReader.on('readable', () => {
+             *   myReader.read(); // etc.
+             * });
+             * ```
+             * @since v0.9.4
+             * @param stream An "old style" readable stream
+             */
+            wrap(stream: NodeJS.ReadableStream): this;
+            push(chunk: any, encoding?: BufferEncoding): boolean;
+            _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
+            /**
+             * Destroy the stream. Optionally emit an `'error'` event, and emit a `'close'`event (unless `emitClose` is set to `false`). After this call, the readable
+             * stream will release any internal resources and subsequent calls to `push()`will be ignored.
+             *
+             * Once `destroy()` has been called any further calls will be a no-op and no
+             * further errors except from `_destroy()` may be emitted as `'error'`.
+             *
+             * Implementors should not override this method, but instead implement `readable._destroy()`.
+             * @since v8.0.0
+             * @param error Error which will be passed as payload in `'error'` event
+             */
+            destroy(error?: Error): this;
+            /**
+             * Event emitter
+             * The defined events on documents including:
+             * 1. close
+             * 2. data
+             * 3. end
+             * 4. error
+             * 5. pause
+             * 6. readable
+             * 7. resume
+             */
+            addListener(event: 'close', listener: () => void): this;
+            addListener(event: 'data', listener: (chunk: any) => void): this;
+            addListener(event: 'end', listener: () => void): this;
+            addListener(event: 'error', listener: (err: Error) => void): this;
+            addListener(event: 'pause', listener: () => void): this;
+            addListener(event: 'readable', listener: () => void): this;
+            addListener(event: 'resume', listener: () => void): this;
+            addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            emit(event: 'close'): boolean;
+            emit(event: 'data', chunk: any): boolean;
+            emit(event: 'end'): boolean;
+            emit(event: 'error', err: Error): boolean;
+            emit(event: 'pause'): boolean;
+            emit(event: 'readable'): boolean;
+            emit(event: 'resume'): boolean;
+            emit(event: string | symbol, ...args: any[]): boolean;
+            on(event: 'close', listener: () => void): this;
+            on(event: 'data', listener: (chunk: any) => void): this;
+            on(event: 'end', listener: () => void): this;
+            on(event: 'error', listener: (err: Error) => void): this;
+            on(event: 'pause', listener: () => void): this;
+            on(event: 'readable', listener: () => void): this;
+            on(event: 'resume', listener: () => void): this;
+            on(event: string | symbol, listener: (...args: any[]) => void): this;
+            once(event: 'close', listener: () => void): this;
+            once(event: 'data', listener: (chunk: any) => void): this;
+            once(event: 'end', listener: () => void): this;
+            once(event: 'error', listener: (err: Error) => void): this;
+            once(event: 'pause', listener: () => void): this;
+            once(event: 'readable', listener: () => void): this;
+            once(event: 'resume', listener: () => void): this;
+            once(event: string | symbol, listener: (...args: any[]) => void): this;
+            prependListener(event: 'close', listener: () => void): this;
+            prependListener(event: 'data', listener: (chunk: any) => void): this;
+            prependListener(event: 'end', listener: () => void): this;
+            prependListener(event: 'error', listener: (err: Error) => void): this;
+            prependListener(event: 'pause', listener: () => void): this;
+            prependListener(event: 'readable', listener: () => void): this;
+            prependListener(event: 'resume', listener: () => void): this;
+            prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            prependOnceListener(event: 'close', listener: () => void): this;
+            prependOnceListener(event: 'data', listener: (chunk: any) => void): this;
+            prependOnceListener(event: 'end', listener: () => void): this;
+            prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+            prependOnceListener(event: 'pause', listener: () => void): this;
+            prependOnceListener(event: 'readable', listener: () => void): this;
+            prependOnceListener(event: 'resume', listener: () => void): this;
+            prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            removeListener(event: 'close', listener: () => void): this;
+            removeListener(event: 'data', listener: (chunk: any) => void): this;
+            removeListener(event: 'end', listener: () => void): this;
+            removeListener(event: 'error', listener: (err: Error) => void): this;
+            removeListener(event: 'pause', listener: () => void): this;
+            removeListener(event: 'readable', listener: () => void): this;
+            removeListener(event: 'resume', listener: () => void): this;
+            removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            [Symbol.asyncIterator](): AsyncIterableIterator<any>;
+        }
+        interface WritableOptions extends StreamOptions<Writable> {
+            decodeStrings?: boolean | undefined;
+            defaultEncoding?: BufferEncoding | undefined;
+            write?(this: Writable, chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
+            writev?(
+                this: Writable,
+                chunks: Array<{
+                    chunk: any;
+                    encoding: BufferEncoding;
+                }>,
+                callback: (error?: Error | null) => void
+            ): void;
+            final?(this: Writable, callback: (error?: Error | null) => void): void;
+        }
+        /**
+         * @since v0.9.4
+         */
+        class Writable extends Stream implements NodeJS.WritableStream {
+            /**
+             * A utility method for creating a `Writable` from a web `WritableStream`.
+             * @since v17.0.0
+             * @experimental
+             */
+            static fromWeb(writableStream: streamWeb.WritableStream, options?: Pick<WritableOptions, 'decodeStrings' | 'highWaterMark' | 'objectMode' | 'signal'>): Writable;
+            /**
+             * A utility method for creating a web `WritableStream` from a `Writable`.
+             * @since v17.0.0
+             * @experimental
+             */
+            static toWeb(streamWritable: Writable): streamWeb.WritableStream;
+            /**
+             * Is `true` if it is safe to call `writable.write()`, which means
+             * the stream has not been destroyed, errored or ended.
+             * @since v11.4.0
+             */
+            readonly writable: boolean;
+            /**
+             * Is `true` after `writable.end()` has been called. This property
+             * does not indicate whether the data has been flushed, for this use `writable.writableFinished` instead.
+             * @since v12.9.0
+             */
+            readonly writableEnded: boolean;
+            /**
+             * Is set to `true` immediately before the `'finish'` event is emitted.
+             * @since v12.6.0
+             */
+            readonly writableFinished: boolean;
+            /**
+             * Return the value of `highWaterMark` passed when creating this `Writable`.
+             * @since v9.3.0
+             */
+            readonly writableHighWaterMark: number;
+            /**
+             * This property contains the number of bytes (or objects) in the queue
+             * ready to be written. The value provides introspection data regarding
+             * the status of the `highWaterMark`.
+             * @since v9.4.0
+             */
+            readonly writableLength: number;
+            /**
+             * Getter for the property `objectMode` of a given `Writable` stream.
+             * @since v12.3.0
+             */
+            readonly writableObjectMode: boolean;
+            /**
+             * Number of times `writable.uncork()` needs to be
+             * called in order to fully uncork the stream.
+             * @since v13.2.0, v12.16.0
+             */
+            readonly writableCorked: number;
+            /**
+             * Is `true` after `writable.destroy()` has been called.
+             * @since v8.0.0
+             */
+            destroyed: boolean;
+            /**
+             * Is true after 'close' has been emitted.
+             * @since v8.0.0
+             */
+            readonly closed: boolean;
+            /**
+             * Returns error if the stream has been destroyed with an error.
+             * @since v18.0.0
+             */
+            readonly errored: Error | null;
+            /**
+             * Is `true` if the stream's buffer has been full and stream will emit 'drain'.
+             * @since v15.2.0, v14.17.0
+             */
+            readonly writableNeedDrain: boolean;
+            constructor(opts?: WritableOptions);
+            _write(chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
+            _writev?(
+                chunks: Array<{
+                    chunk: any;
+                    encoding: BufferEncoding;
+                }>,
+                callback: (error?: Error | null) => void
+            ): void;
+            _construct?(callback: (error?: Error | null) => void): void;
+            _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
+            _final(callback: (error?: Error | null) => void): void;
+            /**
+             * The `writable.write()` method writes some data to the stream, and calls the
+             * supplied `callback` once the data has been fully handled. If an error
+             * occurs, the `callback` will be called with the error as its
+             * first argument. The `callback` is called asynchronously and before `'error'` is
+             * emitted.
+             *
+             * The return value is `true` if the internal buffer is less than the`highWaterMark` configured when the stream was created after admitting `chunk`.
+             * If `false` is returned, further attempts to write data to the stream should
+             * stop until the `'drain'` event is emitted.
+             *
+             * While a stream is not draining, calls to `write()` will buffer `chunk`, and
+             * return false. Once all currently buffered chunks are drained (accepted for
+             * delivery by the operating system), the `'drain'` event will be emitted.
+             * Once `write()` returns false, do not write more chunks
+             * until the `'drain'` event is emitted. While calling `write()` on a stream that
+             * is not draining is allowed, Node.js will buffer all written chunks until
+             * maximum memory usage occurs, at which point it will abort unconditionally.
+             * Even before it aborts, high memory usage will cause poor garbage collector
+             * performance and high RSS (which is not typically released back to the system,
+             * even after the memory is no longer required). Since TCP sockets may never
+             * drain if the remote peer does not read the data, writing a socket that is
+             * not draining may lead to a remotely exploitable vulnerability.
+             *
+             * Writing data while the stream is not draining is particularly
+             * problematic for a `Transform`, because the `Transform` streams are paused
+             * by default until they are piped or a `'data'` or `'readable'` event handler
+             * is added.
+             *
+             * If the data to be written can be generated or fetched on demand, it is
+             * recommended to encapsulate the logic into a `Readable` and use {@link pipe}. However, if calling `write()` is preferred, it is
+             * possible to respect backpressure and avoid memory issues using the `'drain'` event:
+             *
+             * ```js
+             * function write(data, cb) {
+             *   if (!stream.write(data)) {
+             *     stream.once('drain', cb);
+             *   } else {
+             *     process.nextTick(cb);
+             *   }
+             * }
+             *
+             * // Wait for cb to be called before doing any other write.
+             * write('hello', () => {
+             *   console.log('Write completed, do more writes now.');
+             * });
+             * ```
+             *
+             * A `Writable` stream in object mode will always ignore the `encoding` argument.
+             * @since v0.9.4
+             * @param chunk Optional data to write. For streams not operating in object mode, `chunk` must be a string, `Buffer` or `Uint8Array`. For object mode streams, `chunk` may be any
+             * JavaScript value other than `null`.
+             * @param [encoding='utf8'] The encoding, if `chunk` is a string.
+             * @param callback Callback for when this chunk of data is flushed.
+             * @return `false` if the stream wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+             */
+            write(chunk: any, callback?: (error: Error | null | undefined) => void): boolean;
+            write(chunk: any, encoding: BufferEncoding, callback?: (error: Error | null | undefined) => void): boolean;
+            /**
+             * The `writable.setDefaultEncoding()` method sets the default `encoding` for a `Writable` stream.
+             * @since v0.11.15
+             * @param encoding The new default encoding
+             */
+            setDefaultEncoding(encoding: BufferEncoding): this;
+            /**
+             * Calling the `writable.end()` method signals that no more data will be written
+             * to the `Writable`. The optional `chunk` and `encoding` arguments allow one
+             * final additional chunk of data to be written immediately before closing the
+             * stream.
+             *
+             * Calling the {@link write} method after calling {@link end} will raise an error.
+             *
+             * ```js
+             * // Write 'hello, ' and then end with 'world!'.
+             * const fs = require('fs');
+             * const file = fs.createWriteStream('example.txt');
+             * file.write('hello, ');
+             * file.end('world!');
+             * // Writing more now is not allowed!
+             * ```
+             * @since v0.9.4
+             * @param chunk Optional data to write. For streams not operating in object mode, `chunk` must be a string, `Buffer` or `Uint8Array`. For object mode streams, `chunk` may be any
+             * JavaScript value other than `null`.
+             * @param encoding The encoding if `chunk` is a string
+             * @param callback Callback for when the stream is finished.
+             */
+            end(cb?: () => void): this;
+            end(chunk: any, cb?: () => void): this;
+            end(chunk: any, encoding: BufferEncoding, cb?: () => void): this;
+            /**
+             * The `writable.cork()` method forces all written data to be buffered in memory.
+             * The buffered data will be flushed when either the {@link uncork} or {@link end} methods are called.
+             *
+             * The primary intent of `writable.cork()` is to accommodate a situation in which
+             * several small chunks are written to the stream in rapid succession. Instead of
+             * immediately forwarding them to the underlying destination, `writable.cork()`buffers all the chunks until `writable.uncork()` is called, which will pass them
+             * all to `writable._writev()`, if present. This prevents a head-of-line blocking
+             * situation where data is being buffered while waiting for the first small chunk
+             * to be processed. However, use of `writable.cork()` without implementing`writable._writev()` may have an adverse effect on throughput.
+             *
+             * See also: `writable.uncork()`, `writable._writev()`.
+             * @since v0.11.2
+             */
+            cork(): void;
+            /**
+             * The `writable.uncork()` method flushes all data buffered since {@link cork} was called.
+             *
+             * When using `writable.cork()` and `writable.uncork()` to manage the buffering
+             * of writes to a stream, defer calls to `writable.uncork()` using`process.nextTick()`. Doing so allows batching of all`writable.write()` calls that occur within a given Node.js event
+             * loop phase.
+             *
+             * ```js
+             * stream.cork();
+             * stream.write('some ');
+             * stream.write('data ');
+             * process.nextTick(() => stream.uncork());
+             * ```
+             *
+             * If the `writable.cork()` method is called multiple times on a stream, the
+             * same number of calls to `writable.uncork()` must be called to flush the buffered
+             * data.
+             *
+             * ```js
+             * stream.cork();
+             * stream.write('some ');
+             * stream.cork();
+             * stream.write('data ');
+             * process.nextTick(() => {
+             *   stream.uncork();
+             *   // The data will not be flushed until uncork() is called a second time.
+             *   stream.uncork();
+             * });
+             * ```
+             *
+             * See also: `writable.cork()`.
+             * @since v0.11.2
+             */
+            uncork(): void;
+            /**
+             * Destroy the stream. Optionally emit an `'error'` event, and emit a `'close'`event (unless `emitClose` is set to `false`). After this call, the writable
+             * stream has ended and subsequent calls to `write()` or `end()` will result in
+             * an `ERR_STREAM_DESTROYED` error.
+             * This is a destructive and immediate way to destroy a stream. Previous calls to`write()` may not have drained, and may trigger an `ERR_STREAM_DESTROYED` error.
+             * Use `end()` instead of destroy if data should flush before close, or wait for
+             * the `'drain'` event before destroying the stream.
+             *
+             * Once `destroy()` has been called any further calls will be a no-op and no
+             * further errors except from `_destroy()` may be emitted as `'error'`.
+             *
+             * Implementors should not override this method,
+             * but instead implement `writable._destroy()`.
+             * @since v8.0.0
+             * @param error Optional, an error to emit with `'error'` event.
+             */
+            destroy(error?: Error): this;
+            /**
+             * Event emitter
+             * The defined events on documents including:
+             * 1. close
+             * 2. drain
+             * 3. error
+             * 4. finish
+             * 5. pipe
+             * 6. unpipe
+             */
+            addListener(event: 'close', listener: () => void): this;
+            addListener(event: 'drain', listener: () => void): this;
+            addListener(event: 'error', listener: (err: Error) => void): this;
+            addListener(event: 'finish', listener: () => void): this;
+            addListener(event: 'pipe', listener: (src: Readable) => void): this;
+            addListener(event: 'unpipe', listener: (src: Readable) => void): this;
+            addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            emit(event: 'close'): boolean;
+            emit(event: 'drain'): boolean;
+            emit(event: 'error', err: Error): boolean;
+            emit(event: 'finish'): boolean;
+            emit(event: 'pipe', src: Readable): boolean;
+            emit(event: 'unpipe', src: Readable): boolean;
+            emit(event: string | symbol, ...args: any[]): boolean;
+            on(event: 'close', listener: () => void): this;
+            on(event: 'drain', listener: () => void): this;
+            on(event: 'error', listener: (err: Error) => void): this;
+            on(event: 'finish', listener: () => void): this;
+            on(event: 'pipe', listener: (src: Readable) => void): this;
+            on(event: 'unpipe', listener: (src: Readable) => void): this;
+            on(event: string | symbol, listener: (...args: any[]) => void): this;
+            once(event: 'close', listener: () => void): this;
+            once(event: 'drain', listener: () => void): this;
+            once(event: 'error', listener: (err: Error) => void): this;
+            once(event: 'finish', listener: () => void): this;
+            once(event: 'pipe', listener: (src: Readable) => void): this;
+            once(event: 'unpipe', listener: (src: Readable) => void): this;
+            once(event: string | symbol, listener: (...args: any[]) => void): this;
+            prependListener(event: 'close', listener: () => void): this;
+            prependListener(event: 'drain', listener: () => void): this;
+            prependListener(event: 'error', listener: (err: Error) => void): this;
+            prependListener(event: 'finish', listener: () => void): this;
+            prependListener(event: 'pipe', listener: (src: Readable) => void): this;
+            prependListener(event: 'unpipe', listener: (src: Readable) => void): this;
+            prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            prependOnceListener(event: 'close', listener: () => void): this;
+            prependOnceListener(event: 'drain', listener: () => void): this;
+            prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+            prependOnceListener(event: 'finish', listener: () => void): this;
+            prependOnceListener(event: 'pipe', listener: (src: Readable) => void): this;
+            prependOnceListener(event: 'unpipe', listener: (src: Readable) => void): this;
+            prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            removeListener(event: 'close', listener: () => void): this;
+            removeListener(event: 'drain', listener: () => void): this;
+            removeListener(event: 'error', listener: (err: Error) => void): this;
+            removeListener(event: 'finish', listener: () => void): this;
+            removeListener(event: 'pipe', listener: (src: Readable) => void): this;
+            removeListener(event: 'unpipe', listener: (src: Readable) => void): this;
+            removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        }
+        interface DuplexOptions extends ReadableOptions, WritableOptions {
+            allowHalfOpen?: boolean | undefined;
+            readableObjectMode?: boolean | undefined;
+            writableObjectMode?: boolean | undefined;
+            readableHighWaterMark?: number | undefined;
+            writableHighWaterMark?: number | undefined;
+            writableCorked?: number | undefined;
+            construct?(this: Duplex, callback: (error?: Error | null) => void): void;
+            read?(this: Duplex, size: number): void;
+            write?(this: Duplex, chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
+            writev?(
+                this: Duplex,
+                chunks: Array<{
+                    chunk: any;
+                    encoding: BufferEncoding;
+                }>,
+                callback: (error?: Error | null) => void
+            ): void;
+            final?(this: Duplex, callback: (error?: Error | null) => void): void;
+            destroy?(this: Duplex, error: Error | null, callback: (error: Error | null) => void): void;
+        }
+        /**
+         * Duplex streams are streams that implement both the `Readable` and `Writable` interfaces.
+         *
+         * Examples of `Duplex` streams include:
+         *
+         * * `TCP sockets`
+         * * `zlib streams`
+         * * `crypto streams`
+         * @since v0.9.4
+         */
+        class Duplex extends Readable implements Writable {
+            readonly writable: boolean;
+            readonly writableEnded: boolean;
+            readonly writableFinished: boolean;
+            readonly writableHighWaterMark: number;
+            readonly writableLength: number;
+            readonly writableObjectMode: boolean;
+            readonly writableCorked: number;
+            readonly writableNeedDrain: boolean;
+            readonly closed: boolean;
+            readonly errored: Error | null;
+            /**
+             * If `false` then the stream will automatically end the writable side when the
+             * readable side ends. Set initially by the `allowHalfOpen` constructor option,
+             * which defaults to `false`.
+             *
+             * This can be changed manually to change the half-open behavior of an existing`Duplex` stream instance, but must be changed before the `'end'` event is
+             * emitted.
+             * @since v0.9.4
+             */
+            allowHalfOpen: boolean;
+            constructor(opts?: DuplexOptions);
+            /**
+             * A utility method for creating duplex streams.
+             *
+             * - `Stream` converts writable stream into writable `Duplex` and readable stream
+             *   to `Duplex`.
+             * - `Blob` converts into readable `Duplex`.
+             * - `string` converts into readable `Duplex`.
+             * - `ArrayBuffer` converts into readable `Duplex`.
+             * - `AsyncIterable` converts into a readable `Duplex`. Cannot yield `null`.
+             * - `AsyncGeneratorFunction` converts into a readable/writable transform
+             *   `Duplex`. Must take a source `AsyncIterable` as first parameter. Cannot yield
+             *   `null`.
+             * - `AsyncFunction` converts into a writable `Duplex`. Must return
+             *   either `null` or `undefined`
+             * - `Object ({ writable, readable })` converts `readable` and
+             *   `writable` into `Stream` and then combines them into `Duplex` where the
+             *   `Duplex` will write to the `writable` and read from the `readable`.
+             * - `Promise` converts into readable `Duplex`. Value `null` is ignored.
+             *
+             * @since v16.8.0
+             */
+            static from(src: Stream | Blob | ArrayBuffer | string | Iterable<any> | AsyncIterable<any> | AsyncGeneratorFunction | Promise<any> | Object): Duplex;
+            _write(chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
+            _writev?(
+                chunks: Array<{
+                    chunk: any;
+                    encoding: BufferEncoding;
+                }>,
+                callback: (error?: Error | null) => void
+            ): void;
+            _destroy(error: Error | null, callback: (error: Error | null) => void): void;
+            _final(callback: (error?: Error | null) => void): void;
+            write(chunk: any, encoding?: BufferEncoding, cb?: (error: Error | null | undefined) => void): boolean;
+            write(chunk: any, cb?: (error: Error | null | undefined) => void): boolean;
+            setDefaultEncoding(encoding: BufferEncoding): this;
+            end(cb?: () => void): this;
+            end(chunk: any, cb?: () => void): this;
+            end(chunk: any, encoding?: BufferEncoding, cb?: () => void): this;
+            cork(): void;
+            uncork(): void;
+        }
+        type TransformCallback = (error?: Error | null, data?: any) => void;
+        interface TransformOptions extends DuplexOptions {
+            construct?(this: Transform, callback: (error?: Error | null) => void): void;
+            read?(this: Transform, size: number): void;
+            write?(this: Transform, chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
+            writev?(
+                this: Transform,
+                chunks: Array<{
+                    chunk: any;
+                    encoding: BufferEncoding;
+                }>,
+                callback: (error?: Error | null) => void
+            ): void;
+            final?(this: Transform, callback: (error?: Error | null) => void): void;
+            destroy?(this: Transform, error: Error | null, callback: (error: Error | null) => void): void;
+            transform?(this: Transform, chunk: any, encoding: BufferEncoding, callback: TransformCallback): void;
+            flush?(this: Transform, callback: TransformCallback): void;
+        }
+        /**
+         * Transform streams are `Duplex` streams where the output is in some way
+         * related to the input. Like all `Duplex` streams, `Transform` streams
+         * implement both the `Readable` and `Writable` interfaces.
+         *
+         * Examples of `Transform` streams include:
+         *
+         * * `zlib streams`
+         * * `crypto streams`
+         * @since v0.9.4
+         */
+        class Transform extends Duplex {
+            constructor(opts?: TransformOptions);
+            _transform(chunk: any, encoding: BufferEncoding, callback: TransformCallback): void;
+            _flush(callback: TransformCallback): void;
+        }
+        /**
+         * The `stream.PassThrough` class is a trivial implementation of a `Transform` stream that simply passes the input bytes across to the output. Its purpose is
+         * primarily for examples and testing, but there are some use cases where`stream.PassThrough` is useful as a building block for novel sorts of streams.
+         */
+        class PassThrough extends Transform {}
+        /**
+         * Attaches an AbortSignal to a readable or writeable stream. This lets code
+         * control stream destruction using an `AbortController`.
+         *
+         * Calling `abort` on the `AbortController` corresponding to the passed`AbortSignal` will behave the same way as calling `.destroy(new AbortError())`on the stream.
+         *
+         * ```js
+         * const fs = require('fs');
+         *
+         * const controller = new AbortController();
+         * const read = addAbortSignal(
+         *   controller.signal,
+         *   fs.createReadStream(('object.json'))
+         * );
+         * // Later, abort the operation closing the stream
+         * controller.abort();
+         * ```
+         *
+         * Or using an `AbortSignal` with a readable stream as an async iterable:
+         *
+         * ```js
+         * const controller = new AbortController();
+         * setTimeout(() => controller.abort(), 10_000); // set a timeout
+         * const stream = addAbortSignal(
+         *   controller.signal,
+         *   fs.createReadStream(('object.json'))
+         * );
+         * (async () => {
+         *   try {
+         *     for await (const chunk of stream) {
+         *       await process(chunk);
+         *     }
+         *   } catch (e) {
+         *     if (e.name === 'AbortError') {
+         *       // The operation was cancelled
+         *     } else {
+         *       throw e;
+         *     }
+         *   }
+         * })();
+         * ```
+         * @since v15.4.0
+         * @param signal A signal representing possible cancellation
+         * @param stream a stream to attach a signal to
+         */
+        function addAbortSignal<T extends Stream>(signal: AbortSignal, stream: T): T;
+        interface FinishedOptions extends Abortable {
+            error?: boolean | undefined;
+            readable?: boolean | undefined;
+            writable?: boolean | undefined;
+        }
+        /**
+         * A function to get notified when a stream is no longer readable, writable
+         * or has experienced an error or a premature close event.
+         *
+         * ```js
+         * const { finished } = require('stream');
+         *
+         * const rs = fs.createReadStream('archive.tar');
+         *
+         * finished(rs, (err) => {
+         *   if (err) {
+         *     console.error('Stream failed.', err);
+         *   } else {
+         *     console.log('Stream is done reading.');
+         *   }
+         * });
+         *
+         * rs.resume(); // Drain the stream.
+         * ```
+         *
+         * Especially useful in error handling scenarios where a stream is destroyed
+         * prematurely (like an aborted HTTP request), and will not emit `'end'`or `'finish'`.
+         *
+         * The `finished` API provides promise version:
+         *
+         * ```js
+         * const { finished } = require('stream/promises');
+         *
+         * const rs = fs.createReadStream('archive.tar');
+         *
+         * async function run() {
+         *   await finished(rs);
+         *   console.log('Stream is done reading.');
+         * }
+         *
+         * run().catch(console.error);
+         * rs.resume(); // Drain the stream.
+         * ```
+         *
+         * `stream.finished()` leaves dangling event listeners (in particular`'error'`, `'end'`, `'finish'` and `'close'`) after `callback` has been
+         * invoked. The reason for this is so that unexpected `'error'` events (due to
+         * incorrect stream implementations) do not cause unexpected crashes.
+         * If this is unwanted behavior then the returned cleanup function needs to be
+         * invoked in the callback:
+         *
+         * ```js
+         * const cleanup = finished(rs, (err) => {
+         *   cleanup();
+         *   // ...
+         * });
+         * ```
+         * @since v10.0.0
+         * @param stream A readable and/or writable stream.
+         * @param callback A callback function that takes an optional error argument.
+         * @return A cleanup function which removes all registered listeners.
+         */
+        function finished(stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream, options: FinishedOptions, callback: (err?: NodeJS.ErrnoException | null) => void): () => void;
+        function finished(stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream, callback: (err?: NodeJS.ErrnoException | null) => void): () => void;
+        namespace finished {
+            function __promisify__(stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream, options?: FinishedOptions): Promise<void>;
+        }
+        type PipelineSourceFunction<T> = () => Iterable<T> | AsyncIterable<T>;
+        type PipelineSource<T> = Iterable<T> | AsyncIterable<T> | NodeJS.ReadableStream | PipelineSourceFunction<T>;
+        type PipelineTransform<S extends PipelineTransformSource<any>, U> =
+            | NodeJS.ReadWriteStream
+            | ((source: S extends (...args: any[]) => Iterable<infer ST> | AsyncIterable<infer ST> ? AsyncIterable<ST> : S) => AsyncIterable<U>);
+        type PipelineTransformSource<T> = PipelineSource<T> | PipelineTransform<any, T>;
+        type PipelineDestinationIterableFunction<T> = (source: AsyncIterable<T>) => AsyncIterable<any>;
+        type PipelineDestinationPromiseFunction<T, P> = (source: AsyncIterable<T>) => Promise<P>;
+        type PipelineDestination<S extends PipelineTransformSource<any>, P> = S extends PipelineTransformSource<infer ST>
+            ? NodeJS.WritableStream | PipelineDestinationIterableFunction<ST> | PipelineDestinationPromiseFunction<ST, P>
+            : never;
+        type PipelineCallback<S extends PipelineDestination<any, any>> = S extends PipelineDestinationPromiseFunction<any, infer P>
+            ? (err: NodeJS.ErrnoException | null, value: P) => void
+            : (err: NodeJS.ErrnoException | null) => void;
+        type PipelinePromise<S extends PipelineDestination<any, any>> = S extends PipelineDestinationPromiseFunction<any, infer P> ? Promise<P> : Promise<void>;
+        interface PipelineOptions {
+            signal: AbortSignal;
+        }
+        /**
+         * A module method to pipe between streams and generators forwarding errors and
+         * properly cleaning up and provide a callback when the pipeline is complete.
+         *
+         * ```js
+         * const { pipeline } = require('stream');
+         * const fs = require('fs');
+         * const zlib = require('zlib');
+         *
+         * // Use the pipeline API to easily pipe a series of streams
+         * // together and get notified when the pipeline is fully done.
+         *
+         * // A pipeline to gzip a potentially huge tar file efficiently:
+         *
+         * pipeline(
+         *   fs.createReadStream('archive.tar'),
+         *   zlib.createGzip(),
+         *   fs.createWriteStream('archive.tar.gz'),
+         *   (err) => {
+         *     if (err) {
+         *       console.error('Pipeline failed.', err);
+         *     } else {
+         *       console.log('Pipeline succeeded.');
+         *     }
+         *   }
+         * );
+         * ```
+         *
+         * The `pipeline` API provides a promise version, which can also
+         * receive an options argument as the last parameter with a`signal` `AbortSignal` property. When the signal is aborted,`destroy` will be called on the underlying pipeline, with
+         * an`AbortError`.
+         *
+         * ```js
+         * const { pipeline } = require('stream/promises');
+         *
+         * async function run() {
+         *   await pipeline(
+         *     fs.createReadStream('archive.tar'),
+         *     zlib.createGzip(),
+         *     fs.createWriteStream('archive.tar.gz')
+         *   );
+         *   console.log('Pipeline succeeded.');
+         * }
+         *
+         * run().catch(console.error);
+         * ```
+         *
+         * To use an `AbortSignal`, pass it inside an options object,
+         * as the last argument:
+         *
+         * ```js
+         * const { pipeline } = require('stream/promises');
+         *
+         * async function run() {
+         *   const ac = new AbortController();
+         *   const signal = ac.signal;
+         *
+         *   setTimeout(() => ac.abort(), 1);
+         *   await pipeline(
+         *     fs.createReadStream('archive.tar'),
+         *     zlib.createGzip(),
+         *     fs.createWriteStream('archive.tar.gz'),
+         *     { signal },
+         *   );
+         * }
+         *
+         * run().catch(console.error); // AbortError
+         * ```
+         *
+         * The `pipeline` API also supports async generators:
+         *
+         * ```js
+         * const { pipeline } = require('stream/promises');
+         * const fs = require('fs');
+         *
+         * async function run() {
+         *   await pipeline(
+         *     fs.createReadStream('lowercase.txt'),
+         *     async function* (source, { signal }) {
+         *       source.setEncoding('utf8');  // Work with strings rather than `Buffer`s.
+         *       for await (const chunk of source) {
+         *         yield await processChunk(chunk, { signal });
+         *       }
+         *     },
+         *     fs.createWriteStream('uppercase.txt')
+         *   );
+         *   console.log('Pipeline succeeded.');
+         * }
+         *
+         * run().catch(console.error);
+         * ```
+         *
+         * Remember to handle the `signal` argument passed into the async generator.
+         * Especially in the case where the async generator is the source for the
+         * pipeline (i.e. first argument) or the pipeline will never complete.
+         *
+         * ```js
+         * const { pipeline } = require('stream/promises');
+         * const fs = require('fs');
+         *
+         * async function run() {
+         *   await pipeline(
+         *     async function* ({ signal }) {
+         *       await someLongRunningfn({ signal });
+         *       yield 'asd';
+         *     },
+         *     fs.createWriteStream('uppercase.txt')
+         *   );
+         *   console.log('Pipeline succeeded.');
+         * }
+         *
+         * run().catch(console.error);
+         * ```
+         *
+         * `stream.pipeline()` will call `stream.destroy(err)` on all streams except:
+         *
+         * * `Readable` streams which have emitted `'end'` or `'close'`.
+         * * `Writable` streams which have emitted `'finish'` or `'close'`.
+         *
+         * `stream.pipeline()` leaves dangling event listeners on the streams
+         * after the `callback` has been invoked. In the case of reuse of streams after
+         * failure, this can cause event listener leaks and swallowed errors. If the last
+         * stream is readable, dangling event listeners will be removed so that the last
+         * stream can be consumed later.
+         *
+         * `stream.pipeline()` closes all the streams when an error is raised.
+         * The `IncomingRequest` usage with `pipeline` could lead to an unexpected behavior
+         * once it would destroy the socket without sending the expected response.
+         * See the example below:
+         *
+         * ```js
+         * const fs = require('fs');
+         * const http = require('http');
+         * const { pipeline } = require('stream');
+         *
+         * const server = http.createServer((req, res) => {
+         *   const fileStream = fs.createReadStream('./fileNotExist.txt');
+         *   pipeline(fileStream, res, (err) => {
+         *     if (err) {
+         *       console.log(err); // No such file
+         *       // this message can't be sent once `pipeline` already destroyed the socket
+         *       return res.end('error!!!');
+         *     }
+         *   });
+         * });
+         * ```
+         * @since v10.0.0
+         * @param callback Called when the pipeline is fully done.
+         */
+        function pipeline<A extends PipelineSource<any>, B extends PipelineDestination<A, any>>(
+            source: A,
+            destination: B,
+            callback?: PipelineCallback<B>
+        ): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
+        function pipeline<A extends PipelineSource<any>, T1 extends PipelineTransform<A, any>, B extends PipelineDestination<T1, any>>(
+            source: A,
+            transform1: T1,
+            destination: B,
+            callback?: PipelineCallback<B>
+        ): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
+        function pipeline<A extends PipelineSource<any>, T1 extends PipelineTransform<A, any>, T2 extends PipelineTransform<T1, any>, B extends PipelineDestination<T2, any>>(
+            source: A,
+            transform1: T1,
+            transform2: T2,
+            destination: B,
+            callback?: PipelineCallback<B>
+        ): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
+        function pipeline<
+            A extends PipelineSource<any>,
+            T1 extends PipelineTransform<A, any>,
+            T2 extends PipelineTransform<T1, any>,
+            T3 extends PipelineTransform<T2, any>,
+            B extends PipelineDestination<T3, any>
+        >(source: A, transform1: T1, transform2: T2, transform3: T3, destination: B, callback?: PipelineCallback<B>): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
+        function pipeline<
+            A extends PipelineSource<any>,
+            T1 extends PipelineTransform<A, any>,
+            T2 extends PipelineTransform<T1, any>,
+            T3 extends PipelineTransform<T2, any>,
+            T4 extends PipelineTransform<T3, any>,
+            B extends PipelineDestination<T4, any>
+        >(source: A, transform1: T1, transform2: T2, transform3: T3, transform4: T4, destination: B, callback?: PipelineCallback<B>): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
+        function pipeline(
+            streams: ReadonlyArray<NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream>,
+            callback?: (err: NodeJS.ErrnoException | null) => void
+        ): NodeJS.WritableStream;
+        function pipeline(
+            stream1: NodeJS.ReadableStream,
+            stream2: NodeJS.ReadWriteStream | NodeJS.WritableStream,
+            ...streams: Array<NodeJS.ReadWriteStream | NodeJS.WritableStream | ((err: NodeJS.ErrnoException | null) => void)>
+        ): NodeJS.WritableStream;
+        namespace pipeline {
+            function __promisify__<A extends PipelineSource<any>, B extends PipelineDestination<A, any>>(source: A, destination: B, options?: PipelineOptions): PipelinePromise<B>;
+            function __promisify__<A extends PipelineSource<any>, T1 extends PipelineTransform<A, any>, B extends PipelineDestination<T1, any>>(
+                source: A,
+                transform1: T1,
+                destination: B,
+                options?: PipelineOptions
+            ): PipelinePromise<B>;
+            function __promisify__<A extends PipelineSource<any>, T1 extends PipelineTransform<A, any>, T2 extends PipelineTransform<T1, any>, B extends PipelineDestination<T2, any>>(
+                source: A,
+                transform1: T1,
+                transform2: T2,
+                destination: B,
+                options?: PipelineOptions
+            ): PipelinePromise<B>;
+            function __promisify__<
+                A extends PipelineSource<any>,
+                T1 extends PipelineTransform<A, any>,
+                T2 extends PipelineTransform<T1, any>,
+                T3 extends PipelineTransform<T2, any>,
+                B extends PipelineDestination<T3, any>
+            >(source: A, transform1: T1, transform2: T2, transform3: T3, destination: B, options?: PipelineOptions): PipelinePromise<B>;
+            function __promisify__<
+                A extends PipelineSource<any>,
+                T1 extends PipelineTransform<A, any>,
+                T2 extends PipelineTransform<T1, any>,
+                T3 extends PipelineTransform<T2, any>,
+                T4 extends PipelineTransform<T3, any>,
+                B extends PipelineDestination<T4, any>
+            >(source: A, transform1: T1, transform2: T2, transform3: T3, transform4: T4, destination: B, options?: PipelineOptions): PipelinePromise<B>;
+            function __promisify__(streams: ReadonlyArray<NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream>, options?: PipelineOptions): Promise<void>;
+            function __promisify__(
+                stream1: NodeJS.ReadableStream,
+                stream2: NodeJS.ReadWriteStream | NodeJS.WritableStream,
+                ...streams: Array<NodeJS.ReadWriteStream | NodeJS.WritableStream | PipelineOptions>
+            ): Promise<void>;
+        }
+        interface Pipe {
+            close(): void;
+            hasRef(): boolean;
+            ref(): void;
+            unref(): void;
+        }
+
+        /**
+         * Returns whether the stream has encountered an error.
+         * @since v17.3.0
+         */
+        function isErrored(stream: Readable | Writable | NodeJS.ReadableStream | NodeJS.WritableStream): boolean;
+
+        /**
+         * Returns whether the stream is readable.
+         * @since v17.4.0
+         */
+        function isReadable(stream: Readable | NodeJS.ReadableStream): boolean;
+
+        const promises: typeof streamPromises;
+        const consumers: typeof streamConsumers;
+    }
+    export = internal;
+}
+declare module 'node:stream' {
+    import stream = require('stream');
+    export = stream;
+}
diff --git a/node_modules/@types/node/stream/consumers.d.ts b/node_modules/@types/node/stream/consumers.d.ts
new file mode 100644
index 000000000..ce6c9bb78
--- /dev/null
+++ b/node_modules/@types/node/stream/consumers.d.ts
@@ -0,0 +1,24 @@
+// Duplicates of interface in lib.dom.ts.
+// Duplicated here rather than referencing lib.dom.ts because doing so causes lib.dom.ts to be loaded for "test-all"
+// Which in turn causes tests to pass that shouldn't pass.
+//
+// This interface is not, and should not be, exported.
+interface Blob {
+    readonly size: number;
+    readonly type: string;
+    arrayBuffer(): Promise<ArrayBuffer>;
+    slice(start?: number, end?: number, contentType?: string): Blob;
+    stream(): NodeJS.ReadableStream;
+    text(): Promise<string>;
+}
+declare module 'stream/consumers' {
+    import { Readable } from 'node:stream';
+    function buffer(stream: NodeJS.ReadableStream | Readable | AsyncIterator<any>): Promise<Buffer>;
+    function text(stream: NodeJS.ReadableStream | Readable | AsyncIterator<any>): Promise<string>;
+    function arrayBuffer(stream: NodeJS.ReadableStream | Readable | AsyncIterator<any>): Promise<ArrayBuffer>;
+    function blob(stream: NodeJS.ReadableStream | Readable | AsyncIterator<any>): Promise<Blob>;
+    function json(stream: NodeJS.ReadableStream | Readable | AsyncIterator<any>): Promise<unknown>;
+}
+declare module 'node:stream/consumers' {
+    export * from 'stream/consumers';
+}
diff --git a/node_modules/@types/node/stream/promises.d.ts b/node_modules/@types/node/stream/promises.d.ts
new file mode 100644
index 000000000..b427073de
--- /dev/null
+++ b/node_modules/@types/node/stream/promises.d.ts
@@ -0,0 +1,42 @@
+declare module 'stream/promises' {
+    import { FinishedOptions, PipelineSource, PipelineTransform, PipelineDestination, PipelinePromise, PipelineOptions } from 'node:stream';
+    function finished(stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream, options?: FinishedOptions): Promise<void>;
+    function pipeline<A extends PipelineSource<any>, B extends PipelineDestination<A, any>>(source: A, destination: B, options?: PipelineOptions): PipelinePromise<B>;
+    function pipeline<A extends PipelineSource<any>, T1 extends PipelineTransform<A, any>, B extends PipelineDestination<T1, any>>(
+        source: A,
+        transform1: T1,
+        destination: B,
+        options?: PipelineOptions
+    ): PipelinePromise<B>;
+    function pipeline<A extends PipelineSource<any>, T1 extends PipelineTransform<A, any>, T2 extends PipelineTransform<T1, any>, B extends PipelineDestination<T2, any>>(
+        source: A,
+        transform1: T1,
+        transform2: T2,
+        destination: B,
+        options?: PipelineOptions
+    ): PipelinePromise<B>;
+    function pipeline<
+        A extends PipelineSource<any>,
+        T1 extends PipelineTransform<A, any>,
+        T2 extends PipelineTransform<T1, any>,
+        T3 extends PipelineTransform<T2, any>,
+        B extends PipelineDestination<T3, any>
+    >(source: A, transform1: T1, transform2: T2, transform3: T3, destination: B, options?: PipelineOptions): PipelinePromise<B>;
+    function pipeline<
+        A extends PipelineSource<any>,
+        T1 extends PipelineTransform<A, any>,
+        T2 extends PipelineTransform<T1, any>,
+        T3 extends PipelineTransform<T2, any>,
+        T4 extends PipelineTransform<T3, any>,
+        B extends PipelineDestination<T4, any>
+    >(source: A, transform1: T1, transform2: T2, transform3: T3, transform4: T4, destination: B, options?: PipelineOptions): PipelinePromise<B>;
+    function pipeline(streams: ReadonlyArray<NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream>, options?: PipelineOptions): Promise<void>;
+    function pipeline(
+        stream1: NodeJS.ReadableStream,
+        stream2: NodeJS.ReadWriteStream | NodeJS.WritableStream,
+        ...streams: Array<NodeJS.ReadWriteStream | NodeJS.WritableStream | PipelineOptions>
+    ): Promise<void>;
+}
+declare module 'node:stream/promises' {
+    export * from 'stream/promises';
+}
diff --git a/node_modules/@types/node/stream/web.d.ts b/node_modules/@types/node/stream/web.d.ts
new file mode 100644
index 000000000..f9ef0570d
--- /dev/null
+++ b/node_modules/@types/node/stream/web.d.ts
@@ -0,0 +1,330 @@
+declare module 'stream/web' {
+    // stub module, pending copy&paste from .d.ts or manual impl
+    // copy from lib.dom.d.ts
+    interface ReadableWritablePair<R = any, W = any> {
+        readable: ReadableStream<R>;
+        /**
+         * Provides a convenient, chainable way of piping this readable stream
+         * through a transform stream (or any other { writable, readable }
+         * pair). It simply pipes the stream into the writable side of the
+         * supplied pair, and returns the readable side for further use.
+         *
+         * Piping a stream will lock it for the duration of the pipe, preventing
+         * any other consumer from acquiring a reader.
+         */
+        writable: WritableStream<W>;
+    }
+    interface StreamPipeOptions {
+        preventAbort?: boolean;
+        preventCancel?: boolean;
+        /**
+         * Pipes this readable stream to a given writable stream destination.
+         * The way in which the piping process behaves under various error
+         * conditions can be customized with a number of passed options. It
+         * returns a promise that fulfills when the piping process completes
+         * successfully, or rejects if any errors were encountered.
+         *
+         * Piping a stream will lock it for the duration of the pipe, preventing
+         * any other consumer from acquiring a reader.
+         *
+         * Errors and closures of the source and destination streams propagate
+         * as follows:
+         *
+         * An error in this source readable stream will abort destination,
+         * unless preventAbort is truthy. The returned promise will be rejected
+         * with the source's error, or with any error that occurs during
+         * aborting the destination.
+         *
+         * An error in destination will cancel this source readable stream,
+         * unless preventCancel is truthy. The returned promise will be rejected
+         * with the destination's error, or with any error that occurs during
+         * canceling the source.
+         *
+         * When this source readable stream closes, destination will be closed,
+         * unless preventClose is truthy. The returned promise will be fulfilled
+         * once this process completes, unless an error is encountered while
+         * closing the destination, in which case it will be rejected with that
+         * error.
+         *
+         * If destination starts out closed or closing, this source readable
+         * stream will be canceled, unless preventCancel is true. The returned
+         * promise will be rejected with an error indicating piping to a closed
+         * stream failed, or with any error that occurs during canceling the
+         * source.
+         *
+         * The signal option can be set to an AbortSignal to allow aborting an
+         * ongoing pipe operation via the corresponding AbortController. In this
+         * case, this source readable stream will be canceled, and destination
+         * aborted, unless the respective options preventCancel or preventAbort
+         * are set.
+         */
+        preventClose?: boolean;
+        signal?: AbortSignal;
+    }
+    interface ReadableStreamGenericReader {
+        readonly closed: Promise<undefined>;
+        cancel(reason?: any): Promise<void>;
+    }
+    interface ReadableStreamDefaultReadValueResult<T> {
+        done: false;
+        value: T;
+    }
+    interface ReadableStreamDefaultReadDoneResult {
+        done: true;
+        value?: undefined;
+    }
+    type ReadableStreamController<T> = ReadableStreamDefaultController<T>;
+    type ReadableStreamDefaultReadResult<T> = ReadableStreamDefaultReadValueResult<T> | ReadableStreamDefaultReadDoneResult;
+    interface ReadableByteStreamControllerCallback {
+        (controller: ReadableByteStreamController): void | PromiseLike<void>;
+    }
+    interface UnderlyingSinkAbortCallback {
+        (reason?: any): void | PromiseLike<void>;
+    }
+    interface UnderlyingSinkCloseCallback {
+        (): void | PromiseLike<void>;
+    }
+    interface UnderlyingSinkStartCallback {
+        (controller: WritableStreamDefaultController): any;
+    }
+    interface UnderlyingSinkWriteCallback<W> {
+        (chunk: W, controller: WritableStreamDefaultController): void | PromiseLike<void>;
+    }
+    interface UnderlyingSourceCancelCallback {
+        (reason?: any): void | PromiseLike<void>;
+    }
+    interface UnderlyingSourcePullCallback<R> {
+        (controller: ReadableStreamController<R>): void | PromiseLike<void>;
+    }
+    interface UnderlyingSourceStartCallback<R> {
+        (controller: ReadableStreamController<R>): any;
+    }
+    interface TransformerFlushCallback<O> {
+        (controller: TransformStreamDefaultController<O>): void | PromiseLike<void>;
+    }
+    interface TransformerStartCallback<O> {
+        (controller: TransformStreamDefaultController<O>): any;
+    }
+    interface TransformerTransformCallback<I, O> {
+        (chunk: I, controller: TransformStreamDefaultController<O>): void | PromiseLike<void>;
+    }
+    interface UnderlyingByteSource {
+        autoAllocateChunkSize?: number;
+        cancel?: ReadableStreamErrorCallback;
+        pull?: ReadableByteStreamControllerCallback;
+        start?: ReadableByteStreamControllerCallback;
+        type: 'bytes';
+    }
+    interface UnderlyingSource<R = any> {
+        cancel?: UnderlyingSourceCancelCallback;
+        pull?: UnderlyingSourcePullCallback<R>;
+        start?: UnderlyingSourceStartCallback<R>;
+        type?: undefined;
+    }
+    interface UnderlyingSink<W = any> {
+        abort?: UnderlyingSinkAbortCallback;
+        close?: UnderlyingSinkCloseCallback;
+        start?: UnderlyingSinkStartCallback;
+        type?: undefined;
+        write?: UnderlyingSinkWriteCallback<W>;
+    }
+    interface ReadableStreamErrorCallback {
+        (reason: any): void | PromiseLike<void>;
+    }
+    /** This Streams API interface represents a readable stream of byte data. */
+    interface ReadableStream<R = any> {
+        readonly locked: boolean;
+        cancel(reason?: any): Promise<void>;
+        getReader(): ReadableStreamDefaultReader<R>;
+        pipeThrough<T>(transform: ReadableWritablePair<T, R>, options?: StreamPipeOptions): ReadableStream<T>;
+        pipeTo(destination: WritableStream<R>, options?: StreamPipeOptions): Promise<void>;
+        tee(): [ReadableStream<R>, ReadableStream<R>];
+        values(options?: { preventCancel?: boolean }): AsyncIterableIterator<R>;
+        [Symbol.asyncIterator](): AsyncIterableIterator<R>;
+    }
+    const ReadableStream: {
+        prototype: ReadableStream;
+        new (underlyingSource: UnderlyingByteSource, strategy?: QueuingStrategy<Uint8Array>): ReadableStream<Uint8Array>;
+        new <R = any>(underlyingSource?: UnderlyingSource<R>, strategy?: QueuingStrategy<R>): ReadableStream<R>;
+    };
+    interface ReadableStreamDefaultReader<R = any> extends ReadableStreamGenericReader {
+        read(): Promise<ReadableStreamDefaultReadResult<R>>;
+        releaseLock(): void;
+    }
+    const ReadableStreamDefaultReader: {
+        prototype: ReadableStreamDefaultReader;
+        new <R = any>(stream: ReadableStream<R>): ReadableStreamDefaultReader<R>;
+    };
+    const ReadableStreamBYOBReader: any;
+    const ReadableStreamBYOBRequest: any;
+    interface ReadableByteStreamController {
+        readonly byobRequest: undefined;
+        readonly desiredSize: number | null;
+        close(): void;
+        enqueue(chunk: ArrayBufferView): void;
+        error(error?: any): void;
+    }
+    const ReadableByteStreamController: {
+        prototype: ReadableByteStreamController;
+        new (): ReadableByteStreamController;
+    };
+    interface ReadableStreamDefaultController<R = any> {
+        readonly desiredSize: number | null;
+        close(): void;
+        enqueue(chunk?: R): void;
+        error(e?: any): void;
+    }
+    const ReadableStreamDefaultController: {
+        prototype: ReadableStreamDefaultController;
+        new (): ReadableStreamDefaultController;
+    };
+    interface Transformer<I = any, O = any> {
+        flush?: TransformerFlushCallback<O>;
+        readableType?: undefined;
+        start?: TransformerStartCallback<O>;
+        transform?: TransformerTransformCallback<I, O>;
+        writableType?: undefined;
+    }
+    interface TransformStream<I = any, O = any> {
+        readonly readable: ReadableStream<O>;
+        readonly writable: WritableStream<I>;
+    }
+    const TransformStream: {
+        prototype: TransformStream;
+        new <I = any, O = any>(transformer?: Transformer<I, O>, writableStrategy?: QueuingStrategy<I>, readableStrategy?: QueuingStrategy<O>): TransformStream<I, O>;
+    };
+    interface TransformStreamDefaultController<O = any> {
+        readonly desiredSize: number | null;
+        enqueue(chunk?: O): void;
+        error(reason?: any): void;
+        terminate(): void;
+    }
+    const TransformStreamDefaultController: {
+        prototype: TransformStreamDefaultController;
+        new (): TransformStreamDefaultController;
+    };
+    /**
+     * This Streams API interface provides a standard abstraction for writing
+     * streaming data to a destination, known as a sink. This object comes with
+     * built-in back pressure and queuing.
+     */
+    interface WritableStream<W = any> {
+        readonly locked: boolean;
+        abort(reason?: any): Promise<void>;
+        close(): Promise<void>;
+        getWriter(): WritableStreamDefaultWriter<W>;
+    }
+    const WritableStream: {
+        prototype: WritableStream;
+        new <W = any>(underlyingSink?: UnderlyingSink<W>, strategy?: QueuingStrategy<W>): WritableStream<W>;
+    };
+    /**
+     * This Streams API interface is the object returned by
+     * WritableStream.getWriter() and once created locks the < writer to the
+     * WritableStream ensuring that no other streams can write to the underlying
+     * sink.
+     */
+    interface WritableStreamDefaultWriter<W = any> {
+        readonly closed: Promise<undefined>;
+        readonly desiredSize: number | null;
+        readonly ready: Promise<undefined>;
+        abort(reason?: any): Promise<void>;
+        close(): Promise<void>;
+        releaseLock(): void;
+        write(chunk?: W): Promise<void>;
+    }
+    const WritableStreamDefaultWriter: {
+        prototype: WritableStreamDefaultWriter;
+        new <W = any>(stream: WritableStream<W>): WritableStreamDefaultWriter<W>;
+    };
+    /**
+     * This Streams API interface represents a controller allowing control of a
+     * WritableStream's state. When constructing a WritableStream, the
+     * underlying sink is given a corresponding WritableStreamDefaultController
+     * instance to manipulate.
+     */
+    interface WritableStreamDefaultController {
+        error(e?: any): void;
+    }
+    const WritableStreamDefaultController: {
+        prototype: WritableStreamDefaultController;
+        new (): WritableStreamDefaultController;
+    };
+    interface QueuingStrategy<T = any> {
+        highWaterMark?: number;
+        size?: QueuingStrategySize<T>;
+    }
+    interface QueuingStrategySize<T = any> {
+        (chunk?: T): number;
+    }
+    interface QueuingStrategyInit {
+        /**
+         * Creates a new ByteLengthQueuingStrategy with the provided high water
+         * mark.
+         *
+         * Note that the provided high water mark will not be validated ahead of
+         * time. Instead, if it is negative, NaN, or not a number, the resulting
+         * ByteLengthQueuingStrategy will cause the corresponding stream
+         * constructor to throw.
+         */
+        highWaterMark: number;
+    }
+    /**
+     * This Streams API interface provides a built-in byte length queuing
+     * strategy that can be used when constructing streams.
+     */
+    interface ByteLengthQueuingStrategy extends QueuingStrategy<ArrayBufferView> {
+        readonly highWaterMark: number;
+        readonly size: QueuingStrategySize<ArrayBufferView>;
+    }
+    const ByteLengthQueuingStrategy: {
+        prototype: ByteLengthQueuingStrategy;
+        new (init: QueuingStrategyInit): ByteLengthQueuingStrategy;
+    };
+    /**
+     * This Streams API interface provides a built-in byte length queuing
+     * strategy that can be used when constructing streams.
+     */
+    interface CountQueuingStrategy extends QueuingStrategy {
+        readonly highWaterMark: number;
+        readonly size: QueuingStrategySize;
+    }
+    const CountQueuingStrategy: {
+        prototype: CountQueuingStrategy;
+        new (init: QueuingStrategyInit): CountQueuingStrategy;
+    };
+    interface TextEncoderStream {
+        /** Returns "utf-8". */
+        readonly encoding: 'utf-8';
+        readonly readable: ReadableStream<Uint8Array>;
+        readonly writable: WritableStream<string>;
+        readonly [Symbol.toStringTag]: string;
+    }
+    const TextEncoderStream: {
+        prototype: TextEncoderStream;
+        new (): TextEncoderStream;
+    };
+    interface TextDecoderOptions {
+        fatal?: boolean;
+        ignoreBOM?: boolean;
+    }
+    type BufferSource = ArrayBufferView | ArrayBuffer;
+    interface TextDecoderStream {
+        /** Returns encoding's name, lower cased. */
+        readonly encoding: string;
+        /** Returns `true` if error mode is "fatal", and `false` otherwise. */
+        readonly fatal: boolean;
+        /** Returns `true` if ignore BOM flag is set, and `false` otherwise. */
+        readonly ignoreBOM: boolean;
+        readonly readable: ReadableStream<string>;
+        readonly writable: WritableStream<BufferSource>;
+        readonly [Symbol.toStringTag]: string;
+    }
+    const TextDecoderStream: {
+        prototype: TextDecoderStream;
+        new (label?: string, options?: TextDecoderOptions): TextDecoderStream;
+    };
+}
+declare module 'node:stream/web' {
+    export * from 'stream/web';
+}
diff --git a/node_modules/@types/node/string_decoder.d.ts b/node_modules/@types/node/string_decoder.d.ts
new file mode 100644
index 000000000..a58580411
--- /dev/null
+++ b/node_modules/@types/node/string_decoder.d.ts
@@ -0,0 +1,67 @@
+/**
+ * The `string_decoder` module provides an API for decoding `Buffer` objects into
+ * strings in a manner that preserves encoded multi-byte UTF-8 and UTF-16
+ * characters. It can be accessed using:
+ *
+ * ```js
+ * const { StringDecoder } = require('string_decoder');
+ * ```
+ *
+ * The following example shows the basic use of the `StringDecoder` class.
+ *
+ * ```js
+ * const { StringDecoder } = require('string_decoder');
+ * const decoder = new StringDecoder('utf8');
+ *
+ * const cent = Buffer.from([0xC2, 0xA2]);
+ * console.log(decoder.write(cent));
+ *
+ * const euro = Buffer.from([0xE2, 0x82, 0xAC]);
+ * console.log(decoder.write(euro));
+ * ```
+ *
+ * When a `Buffer` instance is written to the `StringDecoder` instance, an
+ * internal buffer is used to ensure that the decoded string does not contain
+ * any incomplete multibyte characters. These are held in the buffer until the
+ * next call to `stringDecoder.write()` or until `stringDecoder.end()` is called.
+ *
+ * In the following example, the three UTF-8 encoded bytes of the European Euro
+ * symbol (`€`) are written over three separate operations:
+ *
+ * ```js
+ * const { StringDecoder } = require('string_decoder');
+ * const decoder = new StringDecoder('utf8');
+ *
+ * decoder.write(Buffer.from([0xE2]));
+ * decoder.write(Buffer.from([0x82]));
+ * console.log(decoder.end(Buffer.from([0xAC])));
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/string_decoder.js)
+ */
+declare module 'string_decoder' {
+    class StringDecoder {
+        constructor(encoding?: BufferEncoding);
+        /**
+         * Returns a decoded string, ensuring that any incomplete multibyte characters at
+         * the end of the `Buffer`, or `TypedArray`, or `DataView` are omitted from the
+         * returned string and stored in an internal buffer for the next call to`stringDecoder.write()` or `stringDecoder.end()`.
+         * @since v0.1.99
+         * @param buffer A `Buffer`, or `TypedArray`, or `DataView` containing the bytes to decode.
+         */
+        write(buffer: Buffer): string;
+        /**
+         * Returns any remaining input stored in the internal buffer as a string. Bytes
+         * representing incomplete UTF-8 and UTF-16 characters will be replaced with
+         * substitution characters appropriate for the character encoding.
+         *
+         * If the `buffer` argument is provided, one final call to `stringDecoder.write()`is performed before returning the remaining input.
+         * After `end()` is called, the `stringDecoder` object can be reused for new input.
+         * @since v0.9.3
+         * @param buffer A `Buffer`, or `TypedArray`, or `DataView` containing the bytes to decode.
+         */
+        end(buffer?: Buffer): string;
+    }
+}
+declare module 'node:string_decoder' {
+    export * from 'string_decoder';
+}
diff --git a/node_modules/@types/node/test.d.ts b/node_modules/@types/node/test.d.ts
new file mode 100644
index 000000000..a9b4eeb5e
--- /dev/null
+++ b/node_modules/@types/node/test.d.ts
@@ -0,0 +1,314 @@
+/**
+ * The `node:test` module provides a standalone testing module.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/test.js)
+ */
+declare module 'node:test' {
+    /**
+     * Programmatically start the test runner.
+     * @since v18.9.0
+     * @param options Configuration options for running tests.
+     * @returns A {@link TapStream} that emits events about the test execution.
+     */
+    function run(options?: RunOptions): TapStream;
+
+    /**
+     * The `test()` function is the value imported from the test module. Each invocation of this
+     * function results in the creation of a test point in the TAP output.
+     *
+     * The {@link TestContext} object passed to the fn argument can be used to perform actions
+     * related to the current test. Examples include skipping the test, adding additional TAP
+     * diagnostic information, or creating subtests.
+     *
+     * `test()` returns a {@link Promise} that resolves once the test completes. The return value
+     * can usually be discarded for top level tests. However, the return value from subtests should
+     * be used to prevent the parent test from finishing first and cancelling the subtest as shown
+     * in the following example.
+     *
+     * ```js
+     * test('top level test', async (t) => {
+     *   // The setTimeout() in the following subtest would cause it to outlive its
+     *   // parent test if 'await' is removed on the next line. Once the parent test
+     *   // completes, it will cancel any outstanding subtests.
+     *   await t.test('longer running subtest', async (t) => {
+     *     return new Promise((resolve, reject) => {
+     *       setTimeout(resolve, 1000);
+     *     });
+     *   });
+     * });
+     * ```
+     * @since v18.0.0
+     * @param name The name of the test, which is displayed when reporting test results.
+     *    Default: The `name` property of fn, or `'<anonymous>'` if `fn` does not have a name.
+     * @param options Configuration options for the test
+     * @param fn The function under test. The first argument to this function is a
+     *    {@link TestContext} object. If the test uses callbacks, the callback function is
+     *    passed as the second argument. Default: A no-op function.
+     * @returns A {@link Promise} resolved with `undefined` once the test completes.
+     */
+    function test(name?: string, fn?: TestFn): Promise<void>;
+    function test(name?: string, options?: TestOptions, fn?: TestFn): Promise<void>;
+    function test(options?: TestOptions, fn?: TestFn): Promise<void>;
+    function test(fn?: TestFn): Promise<void>;
+
+    /**
+     * @since v18.6.0
+     * @param name The name of the suite, which is displayed when reporting suite results.
+     *    Default: The `name` property of fn, or `'<anonymous>'` if `fn` does not have a name.
+     * @param options Configuration options for the suite
+     * @param fn The function under suite. Default: A no-op function.
+     */
+    function describe(name?: string, options?: TestOptions, fn?: SuiteFn): void;
+    function describe(name?: string, fn?: SuiteFn): void;
+    function describe(options?: TestOptions, fn?: SuiteFn): void;
+    function describe(fn?: SuiteFn): void;
+
+    /**
+     * @since v18.6.0
+     * @param name The name of the test, which is displayed when reporting test results.
+     *    Default: The `name` property of fn, or `'<anonymous>'` if `fn` does not have a name.
+     * @param options Configuration options for the test
+     * @param fn The function under test. If the test uses callbacks, the callback function is
+     *    passed as the second argument. Default: A no-op function.
+     */
+    function it(name?: string, options?: TestOptions, fn?: ItFn): void;
+    function it(name?: string, fn?: ItFn): void;
+    function it(options?: TestOptions, fn?: ItFn): void;
+    function it(fn?: ItFn): void;
+
+    /**
+     * The type of a function under test. The first argument to this function is a
+     * {@link TestContext} object. If the test uses callbacks, the callback function is passed as
+     * the second argument.
+     */
+    type TestFn = (t: TestContext, done: (result?: any) => void) => any;
+
+    /**
+     * The type of a function under Suite.
+     * If the test uses callbacks, the callback function is passed as an argument
+     */
+    type SuiteFn = (done: (result?: any) => void) => void;
+
+    /**
+     * The type of a function under test.
+     * If the test uses callbacks, the callback function is passed as an argument
+     */
+    type ItFn = (done: (result?: any) => void) => any;
+
+    interface RunOptions {
+        /**
+         * @default false
+         */
+        concurrency?: number | boolean;
+
+        /**
+         * An array containing the list of files to run. If unspecified, the test runner execution model will be used.
+         */
+        files?: readonly string[];
+
+        /**
+         * Allows aborting an in-progress test.
+         * @default undefined
+         */
+        signal?: AbortSignal;
+
+        /**
+         * A number of milliseconds the test will fail after. If unspecified, subtests inherit this
+         * value from their parent.
+         * @default Infinity
+         */
+        timeout?: number;
+    }
+
+    /**
+     * A successful call of the run() method will return a new TapStream object, streaming a TAP output.
+     * TapStream will emit events in the order of the tests' definitions.
+     * @since v18.9.0
+     */
+    interface TapStream extends NodeJS.ReadableStream {
+        addListener(event: 'test:diagnostic', listener: (message: string) => void): this;
+        addListener(event: 'test:fail', listener: (data: TestFail) => void): this;
+        addListener(event: 'test:pass', listener: (data: TestPass) => void): this;
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        emit(event: 'test:diagnostic', message: string): boolean;
+        emit(event: 'test:fail', data: TestFail): boolean;
+        emit(event: 'test:pass', data: TestPass): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'test:diagnostic', listener: (message: string) => void): this;
+        on(event: 'test:fail', listener: (data: TestFail) => void): this;
+        on(event: 'test:pass', listener: (data: TestPass) => void): this;
+        on(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'test:diagnostic', listener: (message: string) => void): this;
+        once(event: 'test:fail', listener: (data: TestFail) => void): this;
+        once(event: 'test:pass', listener: (data: TestPass) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'test:diagnostic', listener: (message: string) => void): this;
+        prependListener(event: 'test:fail', listener: (data: TestFail) => void): this;
+        prependListener(event: 'test:pass', listener: (data: TestPass) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'test:diagnostic', listener: (message: string) => void): this;
+        prependOnceListener(event: 'test:fail', listener: (data: TestFail) => void): this;
+        prependOnceListener(event: 'test:pass', listener: (data: TestPass) => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+    }
+
+    interface TestFail {
+        /**
+         * The test duration.
+         */
+        duration: number;
+
+        /**
+         * The failure casing test to fail.
+         */
+        error: Error;
+
+        /**
+         * The test name.
+         */
+        name: string;
+
+        /**
+         * The ordinal number of the test.
+         */
+        testNumber: number;
+
+        /**
+         * Present if `context.todo` is called.
+         */
+        todo?: string;
+
+        /**
+         * Present if `context.skip` is called.
+         */
+        skip?: string;
+    }
+
+    interface TestPass {
+        /**
+         * The test duration.
+         */
+        duration: number;
+
+        /**
+         * The test name.
+         */
+        name: string;
+
+        /**
+         * The ordinal number of the test.
+         */
+        testNumber: number;
+
+        /**
+         * Present if `context.todo` is called.
+         */
+        todo?: string;
+
+        /**
+         * Present if `context.skip` is called.
+         */
+        skip?: string;
+    }
+
+    /**
+     * An instance of `TestContext` is passed to each test function in order to interact with the
+     * test runner. However, the `TestContext` constructor is not exposed as part of the API.
+     * @since v18.0.0
+     */
+    interface TestContext {
+        /**
+         * This function is used to write TAP diagnostics to the output. Any diagnostic information is
+         * included at the end of the test's results. This function does not return a value.
+         * @param message Message to be displayed as a TAP diagnostic.
+         * @since v18.0.0
+         */
+        diagnostic(message: string): void;
+
+        /**
+         * If `shouldRunOnlyTests` is truthy, the test context will only run tests that have the `only`
+         * option set. Otherwise, all tests are run. If Node.js was not started with the `--test-only`
+         * command-line option, this function is a no-op.
+         * @param shouldRunOnlyTests Whether or not to run `only` tests.
+         * @since v18.0.0
+         */
+        runOnly(shouldRunOnlyTests: boolean): void;
+
+        /**
+         * This function causes the test's output to indicate the test as skipped. If `message` is
+         * provided, it is included in the TAP output. Calling `skip()` does not terminate execution of
+         * the test function. This function does not return a value.
+         * @param message Optional skip message to be displayed in TAP output.
+         * @since v18.0.0
+         */
+        skip(message?: string): void;
+
+        /**
+         * This function adds a `TODO` directive to the test's output. If `message` is provided, it is
+         * included in the TAP output. Calling `todo()` does not terminate execution of the test
+         * function. This function does not return a value.
+         * @param message Optional `TODO` message to be displayed in TAP output.
+         * @since v18.0.0
+         */
+        todo(message?: string): void;
+
+        /**
+         * This function is used to create subtests under the current test. This function behaves in
+         * the same fashion as the top level {@link test} function.
+         * @since v18.0.0
+         * @param name The name of the test, which is displayed when reporting test results.
+         *    Default: The `name` property of fn, or `'<anonymous>'` if `fn` does not have a name.
+         * @param options Configuration options for the test
+         * @param fn The function under test. This first argument to this function is a
+         *    {@link TestContext} object. If the test uses callbacks, the callback function is
+         *    passed as the second argument. Default: A no-op function.
+         * @returns A {@link Promise} resolved with `undefined` once the test completes.
+         */
+        test: typeof test;
+    }
+
+    interface TestOptions {
+        /**
+         * The number of tests that can be run at the same time. If unspecified, subtests inherit this
+         * value from their parent.
+         * @default 1
+         */
+        concurrency?: number;
+
+        /**
+         * If truthy, and the test context is configured to run `only` tests, then this test will be
+         * run. Otherwise, the test is skipped.
+         * @default false
+         */
+        only?: boolean;
+
+        /**
+         * Allows aborting an in-progress test.
+         * @since v18.8.0
+         */
+        signal?: AbortSignal;
+
+        /**
+         * If truthy, the test is skipped. If a string is provided, that string is displayed in the
+         * test results as the reason for skipping the test.
+         * @default false
+         */
+        skip?: boolean | string;
+
+        /**
+         * A number of milliseconds the test will fail after. If unspecified, subtests inherit this
+         * value from their parent.
+         * @default Infinity
+         * @since v18.7.0
+         */
+        timeout?: number;
+
+        /**
+         * If truthy, the test marked as `TODO`. If a string is provided, that string is displayed in
+         * the test results as the reason why the test is `TODO`.
+         * @default false
+         */
+        todo?: boolean | string;
+    }
+
+    export { test as default, run, test, describe, it };
+}
diff --git a/node_modules/@types/node/timers.d.ts b/node_modules/@types/node/timers.d.ts
new file mode 100644
index 000000000..b26f3ceda
--- /dev/null
+++ b/node_modules/@types/node/timers.d.ts
@@ -0,0 +1,94 @@
+/**
+ * The `timer` module exposes a global API for scheduling functions to
+ * be called at some future period of time. Because the timer functions are
+ * globals, there is no need to call `require('timers')` to use the API.
+ *
+ * The timer functions within Node.js implement a similar API as the timers API
+ * provided by Web Browsers but use a different internal implementation that is
+ * built around the Node.js [Event Loop](https://nodejs.org/en/docs/guides/event-loop-timers-and-nexttick/#setimmediate-vs-settimeout).
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/timers.js)
+ */
+declare module 'timers' {
+    import { Abortable } from 'node:events';
+    import { setTimeout as setTimeoutPromise, setImmediate as setImmediatePromise, setInterval as setIntervalPromise } from 'node:timers/promises';
+    interface TimerOptions extends Abortable {
+        /**
+         * Set to `false` to indicate that the scheduled `Timeout`
+         * should not require the Node.js event loop to remain active.
+         * @default true
+         */
+        ref?: boolean | undefined;
+    }
+    let setTimeout: typeof global.setTimeout;
+    let clearTimeout: typeof global.clearTimeout;
+    let setInterval: typeof global.setInterval;
+    let clearInterval: typeof global.clearInterval;
+    let setImmediate: typeof global.setImmediate;
+    let clearImmediate: typeof global.clearImmediate;
+    global {
+        namespace NodeJS {
+            // compatibility with older typings
+            interface Timer extends RefCounted {
+                hasRef(): boolean;
+                refresh(): this;
+                [Symbol.toPrimitive](): number;
+            }
+            interface Immediate extends RefCounted {
+                /**
+                 * If true, the `Immediate` object will keep the Node.js event loop active.
+                 * @since v11.0.0
+                 */
+                hasRef(): boolean;
+                _onImmediate: Function; // to distinguish it from the Timeout class
+            }
+            interface Timeout extends Timer {
+                /**
+                 * If true, the `Timeout` object will keep the Node.js event loop active.
+                 * @since v11.0.0
+                 */
+                hasRef(): boolean;
+                /**
+                 * Sets the timer's start time to the current time, and reschedules the timer to
+                 * call its callback at the previously specified duration adjusted to the current
+                 * time. This is useful for refreshing a timer without allocating a new
+                 * JavaScript object.
+                 *
+                 * Using this on a timer that has already called its callback will reactivate the
+                 * timer.
+                 * @since v10.2.0
+                 * @return a reference to `timeout`
+                 */
+                refresh(): this;
+                [Symbol.toPrimitive](): number;
+            }
+        }
+        function setTimeout<TArgs extends any[]>(callback: (...args: TArgs) => void, ms?: number, ...args: TArgs): NodeJS.Timeout;
+        // util.promisify no rest args compability
+        // tslint:disable-next-line void-return
+        function setTimeout(callback: (args: void) => void, ms?: number): NodeJS.Timeout;
+        namespace setTimeout {
+            const __promisify__: typeof setTimeoutPromise;
+        }
+        function clearTimeout(timeoutId: NodeJS.Timeout | string | number | undefined): void;
+        function setInterval<TArgs extends any[]>(callback: (...args: TArgs) => void, ms?: number, ...args: TArgs): NodeJS.Timer;
+        // util.promisify no rest args compability
+        // tslint:disable-next-line void-return
+        function setInterval(callback: (args: void) => void, ms?: number): NodeJS.Timer;
+        namespace setInterval {
+            const __promisify__: typeof setIntervalPromise;
+        }
+        function clearInterval(intervalId: NodeJS.Timeout | string | number | undefined): void;
+        function setImmediate<TArgs extends any[]>(callback: (...args: TArgs) => void, ...args: TArgs): NodeJS.Immediate;
+        // util.promisify no rest args compability
+        // tslint:disable-next-line void-return
+        function setImmediate(callback: (args: void) => void): NodeJS.Immediate;
+        namespace setImmediate {
+            const __promisify__: typeof setImmediatePromise;
+        }
+        function clearImmediate(immediateId: NodeJS.Immediate | undefined): void;
+        function queueMicrotask(callback: () => void): void;
+    }
+}
+declare module 'node:timers' {
+    export * from 'timers';
+}
diff --git a/node_modules/@types/node/timers/promises.d.ts b/node_modules/@types/node/timers/promises.d.ts
new file mode 100644
index 000000000..fd778880e
--- /dev/null
+++ b/node_modules/@types/node/timers/promises.d.ts
@@ -0,0 +1,68 @@
+/**
+ * The `timers/promises` API provides an alternative set of timer functions
+ * that return `Promise` objects. The API is accessible via`require('timers/promises')`.
+ *
+ * ```js
+ * import {
+ *   setTimeout,
+ *   setImmediate,
+ *   setInterval,
+ * } from 'timers/promises';
+ * ```
+ * @since v15.0.0
+ */
+declare module 'timers/promises' {
+    import { TimerOptions } from 'node:timers';
+    /**
+     * ```js
+     * import {
+     *   setTimeout,
+     * } from 'timers/promises';
+     *
+     * const res = await setTimeout(100, 'result');
+     *
+     * console.log(res);  // Prints 'result'
+     * ```
+     * @since v15.0.0
+     * @param [delay=1] The number of milliseconds to wait before fulfilling the promise.
+     * @param value A value with which the promise is fulfilled.
+     */
+    function setTimeout<T = void>(delay?: number, value?: T, options?: TimerOptions): Promise<T>;
+    /**
+     * ```js
+     * import {
+     *   setImmediate,
+     * } from 'timers/promises';
+     *
+     * const res = await setImmediate('result');
+     *
+     * console.log(res);  // Prints 'result'
+     * ```
+     * @since v15.0.0
+     * @param value A value with which the promise is fulfilled.
+     */
+    function setImmediate<T = void>(value?: T, options?: TimerOptions): Promise<T>;
+    /**
+     * Returns an async iterator that generates values in an interval of `delay` ms.
+     *
+     * ```js
+     * import {
+     *   setInterval,
+     * } from 'timers/promises';
+     *
+     * const interval = 100;
+     * for await (const startTime of setInterval(interval, Date.now())) {
+     *   const now = Date.now();
+     *   console.log(now);
+     *   if ((now - startTime) > 1000)
+     *     break;
+     * }
+     * console.log(Date.now());
+     * ```
+     * @since v15.9.0
+     */
+    function setInterval<T = void>(delay?: number, value?: T, options?: TimerOptions): AsyncIterable<T>;
+}
+declare module 'node:timers/promises' {
+    export * from 'timers/promises';
+}
diff --git a/node_modules/@types/node/tls.d.ts b/node_modules/@types/node/tls.d.ts
new file mode 100644
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+++ b/node_modules/@types/node/tls.d.ts
@@ -0,0 +1,1028 @@
+/**
+ * The `tls` module provides an implementation of the Transport Layer Security
+ * (TLS) and Secure Socket Layer (SSL) protocols that is built on top of OpenSSL.
+ * The module can be accessed using:
+ *
+ * ```js
+ * const tls = require('tls');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/tls.js)
+ */
+declare module 'tls' {
+    import { X509Certificate } from 'node:crypto';
+    import * as net from 'node:net';
+    import * as stream from 'stream';
+    const CLIENT_RENEG_LIMIT: number;
+    const CLIENT_RENEG_WINDOW: number;
+    interface Certificate {
+        /**
+         * Country code.
+         */
+        C: string;
+        /**
+         * Street.
+         */
+        ST: string;
+        /**
+         * Locality.
+         */
+        L: string;
+        /**
+         * Organization.
+         */
+        O: string;
+        /**
+         * Organizational unit.
+         */
+        OU: string;
+        /**
+         * Common name.
+         */
+        CN: string;
+    }
+    interface PeerCertificate {
+        subject: Certificate;
+        issuer: Certificate;
+        subjectaltname: string;
+        infoAccess: NodeJS.Dict<string[]>;
+        modulus: string;
+        exponent: string;
+        valid_from: string;
+        valid_to: string;
+        fingerprint: string;
+        fingerprint256: string;
+        ext_key_usage: string[];
+        serialNumber: string;
+        raw: Buffer;
+    }
+    interface DetailedPeerCertificate extends PeerCertificate {
+        issuerCertificate: DetailedPeerCertificate;
+    }
+    interface CipherNameAndProtocol {
+        /**
+         * The cipher name.
+         */
+        name: string;
+        /**
+         * SSL/TLS protocol version.
+         */
+        version: string;
+        /**
+         * IETF name for the cipher suite.
+         */
+        standardName: string;
+    }
+    interface EphemeralKeyInfo {
+        /**
+         * The supported types are 'DH' and 'ECDH'.
+         */
+        type: string;
+        /**
+         * The name property is available only when type is 'ECDH'.
+         */
+        name?: string | undefined;
+        /**
+         * The size of parameter of an ephemeral key exchange.
+         */
+        size: number;
+    }
+    interface KeyObject {
+        /**
+         * Private keys in PEM format.
+         */
+        pem: string | Buffer;
+        /**
+         * Optional passphrase.
+         */
+        passphrase?: string | undefined;
+    }
+    interface PxfObject {
+        /**
+         * PFX or PKCS12 encoded private key and certificate chain.
+         */
+        buf: string | Buffer;
+        /**
+         * Optional passphrase.
+         */
+        passphrase?: string | undefined;
+    }
+    interface TLSSocketOptions extends SecureContextOptions, CommonConnectionOptions {
+        /**
+         * If true the TLS socket will be instantiated in server-mode.
+         * Defaults to false.
+         */
+        isServer?: boolean | undefined;
+        /**
+         * An optional net.Server instance.
+         */
+        server?: net.Server | undefined;
+        /**
+         * An optional Buffer instance containing a TLS session.
+         */
+        session?: Buffer | undefined;
+        /**
+         * If true, specifies that the OCSP status request extension will be
+         * added to the client hello and an 'OCSPResponse' event will be
+         * emitted on the socket before establishing a secure communication
+         */
+        requestOCSP?: boolean | undefined;
+    }
+    /**
+     * Performs transparent encryption of written data and all required TLS
+     * negotiation.
+     *
+     * Instances of `tls.TLSSocket` implement the duplex `Stream` interface.
+     *
+     * Methods that return TLS connection metadata (e.g.{@link TLSSocket.getPeerCertificate} will only return data while the
+     * connection is open.
+     * @since v0.11.4
+     */
+    class TLSSocket extends net.Socket {
+        /**
+         * Construct a new tls.TLSSocket object from an existing TCP socket.
+         */
+        constructor(socket: net.Socket, options?: TLSSocketOptions);
+        /**
+         * This property is `true` if the peer certificate was signed by one of the CAs
+         * specified when creating the `tls.TLSSocket` instance, otherwise `false`.
+         * @since v0.11.4
+         */
+        authorized: boolean;
+        /**
+         * Returns the reason why the peer's certificate was not been verified. This
+         * property is set only when `tlsSocket.authorized === false`.
+         * @since v0.11.4
+         */
+        authorizationError: Error;
+        /**
+         * Always returns `true`. This may be used to distinguish TLS sockets from regular`net.Socket` instances.
+         * @since v0.11.4
+         */
+        encrypted: true;
+        /**
+         * String containing the selected ALPN protocol.
+         * Before a handshake has completed, this value is always null.
+         * When a handshake is completed but not ALPN protocol was selected, tlsSocket.alpnProtocol equals false.
+         */
+        alpnProtocol: string | false | null;
+        /**
+         * Returns an object representing the local certificate. The returned object has
+         * some properties corresponding to the fields of the certificate.
+         *
+         * See {@link TLSSocket.getPeerCertificate} for an example of the certificate
+         * structure.
+         *
+         * If there is no local certificate, an empty object will be returned. If the
+         * socket has been destroyed, `null` will be returned.
+         * @since v11.2.0
+         */
+        getCertificate(): PeerCertificate | object | null;
+        /**
+         * Returns an object containing information on the negotiated cipher suite.
+         *
+         * For example:
+         *
+         * ```json
+         * {
+         *     "name": "AES128-SHA256",
+         *     "standardName": "TLS_RSA_WITH_AES_128_CBC_SHA256",
+         *     "version": "TLSv1.2"
+         * }
+         * ```
+         *
+         * See [SSL\_CIPHER\_get\_name](https://www.openssl.org/docs/man1.1.1/man3/SSL_CIPHER_get_name.html) for more information.
+         * @since v0.11.4
+         */
+        getCipher(): CipherNameAndProtocol;
+        /**
+         * Returns an object representing the type, name, and size of parameter of
+         * an ephemeral key exchange in `perfect forward secrecy` on a client
+         * connection. It returns an empty object when the key exchange is not
+         * ephemeral. As this is only supported on a client socket; `null` is returned
+         * if called on a server socket. The supported types are `'DH'` and `'ECDH'`. The`name` property is available only when type is `'ECDH'`.
+         *
+         * For example: `{ type: 'ECDH', name: 'prime256v1', size: 256 }`.
+         * @since v5.0.0
+         */
+        getEphemeralKeyInfo(): EphemeralKeyInfo | object | null;
+        /**
+         * As the `Finished` messages are message digests of the complete handshake
+         * (with a total of 192 bits for TLS 1.0 and more for SSL 3.0), they can
+         * be used for external authentication procedures when the authentication
+         * provided by SSL/TLS is not desired or is not enough.
+         *
+         * Corresponds to the `SSL_get_finished` routine in OpenSSL and may be used
+         * to implement the `tls-unique` channel binding from [RFC 5929](https://tools.ietf.org/html/rfc5929).
+         * @since v9.9.0
+         * @return The latest `Finished` message that has been sent to the socket as part of a SSL/TLS handshake, or `undefined` if no `Finished` message has been sent yet.
+         */
+        getFinished(): Buffer | undefined;
+        /**
+         * Returns an object representing the peer's certificate. If the peer does not
+         * provide a certificate, an empty object will be returned. If the socket has been
+         * destroyed, `null` will be returned.
+         *
+         * If the full certificate chain was requested, each certificate will include an`issuerCertificate` property containing an object representing its issuer's
+         * certificate.
+         * @since v0.11.4
+         * @param detailed Include the full certificate chain if `true`, otherwise include just the peer's certificate.
+         * @return A certificate object.
+         */
+        getPeerCertificate(detailed: true): DetailedPeerCertificate;
+        getPeerCertificate(detailed?: false): PeerCertificate;
+        getPeerCertificate(detailed?: boolean): PeerCertificate | DetailedPeerCertificate;
+        /**
+         * As the `Finished` messages are message digests of the complete handshake
+         * (with a total of 192 bits for TLS 1.0 and more for SSL 3.0), they can
+         * be used for external authentication procedures when the authentication
+         * provided by SSL/TLS is not desired or is not enough.
+         *
+         * Corresponds to the `SSL_get_peer_finished` routine in OpenSSL and may be used
+         * to implement the `tls-unique` channel binding from [RFC 5929](https://tools.ietf.org/html/rfc5929).
+         * @since v9.9.0
+         * @return The latest `Finished` message that is expected or has actually been received from the socket as part of a SSL/TLS handshake, or `undefined` if there is no `Finished` message so
+         * far.
+         */
+        getPeerFinished(): Buffer | undefined;
+        /**
+         * Returns a string containing the negotiated SSL/TLS protocol version of the
+         * current connection. The value `'unknown'` will be returned for connected
+         * sockets that have not completed the handshaking process. The value `null` will
+         * be returned for server sockets or disconnected client sockets.
+         *
+         * Protocol versions are:
+         *
+         * * `'SSLv3'`
+         * * `'TLSv1'`
+         * * `'TLSv1.1'`
+         * * `'TLSv1.2'`
+         * * `'TLSv1.3'`
+         *
+         * See the OpenSSL [`SSL_get_version`](https://www.openssl.org/docs/man1.1.1/man3/SSL_get_version.html) documentation for more information.
+         * @since v5.7.0
+         */
+        getProtocol(): string | null;
+        /**
+         * Returns the TLS session data or `undefined` if no session was
+         * negotiated. On the client, the data can be provided to the `session` option of {@link connect} to resume the connection. On the server, it may be useful
+         * for debugging.
+         *
+         * See `Session Resumption` for more information.
+         *
+         * Note: `getSession()` works only for TLSv1.2 and below. For TLSv1.3, applications
+         * must use the `'session'` event (it also works for TLSv1.2 and below).
+         * @since v0.11.4
+         */
+        getSession(): Buffer | undefined;
+        /**
+         * See [SSL\_get\_shared\_sigalgs](https://www.openssl.org/docs/man1.1.1/man3/SSL_get_shared_sigalgs.html) for more information.
+         * @since v12.11.0
+         * @return List of signature algorithms shared between the server and the client in the order of decreasing preference.
+         */
+        getSharedSigalgs(): string[];
+        /**
+         * For a client, returns the TLS session ticket if one is available, or`undefined`. For a server, always returns `undefined`.
+         *
+         * It may be useful for debugging.
+         *
+         * See `Session Resumption` for more information.
+         * @since v0.11.4
+         */
+        getTLSTicket(): Buffer | undefined;
+        /**
+         * See `Session Resumption` for more information.
+         * @since v0.5.6
+         * @return `true` if the session was reused, `false` otherwise.
+         */
+        isSessionReused(): boolean;
+        /**
+         * The `tlsSocket.renegotiate()` method initiates a TLS renegotiation process.
+         * Upon completion, the `callback` function will be passed a single argument
+         * that is either an `Error` (if the request failed) or `null`.
+         *
+         * This method can be used to request a peer's certificate after the secure
+         * connection has been established.
+         *
+         * When running as the server, the socket will be destroyed with an error after`handshakeTimeout` timeout.
+         *
+         * For TLSv1.3, renegotiation cannot be initiated, it is not supported by the
+         * protocol.
+         * @since v0.11.8
+         * @param callback If `renegotiate()` returned `true`, callback is attached once to the `'secure'` event. If `renegotiate()` returned `false`, `callback` will be called in the next tick with
+         * an error, unless the `tlsSocket` has been destroyed, in which case `callback` will not be called at all.
+         * @return `true` if renegotiation was initiated, `false` otherwise.
+         */
+        renegotiate(
+            options: {
+                rejectUnauthorized?: boolean | undefined;
+                requestCert?: boolean | undefined;
+            },
+            callback: (err: Error | null) => void
+        ): undefined | boolean;
+        /**
+         * The `tlsSocket.setMaxSendFragment()` method sets the maximum TLS fragment size.
+         * Returns `true` if setting the limit succeeded; `false` otherwise.
+         *
+         * Smaller fragment sizes decrease the buffering latency on the client: larger
+         * fragments are buffered by the TLS layer until the entire fragment is received
+         * and its integrity is verified; large fragments can span multiple roundtrips
+         * and their processing can be delayed due to packet loss or reordering. However,
+         * smaller fragments add extra TLS framing bytes and CPU overhead, which may
+         * decrease overall server throughput.
+         * @since v0.11.11
+         * @param [size=16384] The maximum TLS fragment size. The maximum value is `16384`.
+         */
+        setMaxSendFragment(size: number): boolean;
+        /**
+         * Disables TLS renegotiation for this `TLSSocket` instance. Once called, attempts
+         * to renegotiate will trigger an `'error'` event on the `TLSSocket`.
+         * @since v8.4.0
+         */
+        disableRenegotiation(): void;
+        /**
+         * When enabled, TLS packet trace information is written to `stderr`. This can be
+         * used to debug TLS connection problems.
+         *
+         * The format of the output is identical to the output of`openssl s_client -trace` or `openssl s_server -trace`. While it is produced by
+         * OpenSSL's `SSL_trace()` function, the format is undocumented, can change
+         * without notice, and should not be relied on.
+         * @since v12.2.0
+         */
+        enableTrace(): void;
+        /**
+         * Returns the peer certificate as an `X509Certificate` object.
+         *
+         * If there is no peer certificate, or the socket has been destroyed,`undefined` will be returned.
+         * @since v15.9.0
+         */
+        getPeerX509Certificate(): X509Certificate | undefined;
+        /**
+         * Returns the local certificate as an `X509Certificate` object.
+         *
+         * If there is no local certificate, or the socket has been destroyed,`undefined` will be returned.
+         * @since v15.9.0
+         */
+        getX509Certificate(): X509Certificate | undefined;
+        /**
+         * Keying material is used for validations to prevent different kind of attacks in
+         * network protocols, for example in the specifications of IEEE 802.1X.
+         *
+         * Example
+         *
+         * ```js
+         * const keyingMaterial = tlsSocket.exportKeyingMaterial(
+         *   128,
+         *   'client finished');
+         *
+         * /*
+         *  Example return value of keyingMaterial:
+         *  <Buffer 76 26 af 99 c5 56 8e 42 09 91 ef 9f 93 cb ad 6c 7b 65 f8 53 f1 d8 d9
+         *     12 5a 33 b8 b5 25 df 7b 37 9f e0 e2 4f b8 67 83 a3 2f cd 5d 41 42 4c 91
+         *     74 ef 2c ... 78 more bytes>
+         *
+         * ```
+         *
+         * See the OpenSSL [`SSL_export_keying_material`](https://www.openssl.org/docs/man1.1.1/man3/SSL_export_keying_material.html) documentation for more
+         * information.
+         * @since v13.10.0, v12.17.0
+         * @param length number of bytes to retrieve from keying material
+         * @param label an application specific label, typically this will be a value from the [IANA Exporter Label
+         * Registry](https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#exporter-labels).
+         * @param context Optionally provide a context.
+         * @return requested bytes of the keying material
+         */
+        exportKeyingMaterial(length: number, label: string, context: Buffer): Buffer;
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'OCSPResponse', listener: (response: Buffer) => void): this;
+        addListener(event: 'secureConnect', listener: () => void): this;
+        addListener(event: 'session', listener: (session: Buffer) => void): this;
+        addListener(event: 'keylog', listener: (line: Buffer) => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'OCSPResponse', response: Buffer): boolean;
+        emit(event: 'secureConnect'): boolean;
+        emit(event: 'session', session: Buffer): boolean;
+        emit(event: 'keylog', line: Buffer): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'OCSPResponse', listener: (response: Buffer) => void): this;
+        on(event: 'secureConnect', listener: () => void): this;
+        on(event: 'session', listener: (session: Buffer) => void): this;
+        on(event: 'keylog', listener: (line: Buffer) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'OCSPResponse', listener: (response: Buffer) => void): this;
+        once(event: 'secureConnect', listener: () => void): this;
+        once(event: 'session', listener: (session: Buffer) => void): this;
+        once(event: 'keylog', listener: (line: Buffer) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'OCSPResponse', listener: (response: Buffer) => void): this;
+        prependListener(event: 'secureConnect', listener: () => void): this;
+        prependListener(event: 'session', listener: (session: Buffer) => void): this;
+        prependListener(event: 'keylog', listener: (line: Buffer) => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'OCSPResponse', listener: (response: Buffer) => void): this;
+        prependOnceListener(event: 'secureConnect', listener: () => void): this;
+        prependOnceListener(event: 'session', listener: (session: Buffer) => void): this;
+        prependOnceListener(event: 'keylog', listener: (line: Buffer) => void): this;
+    }
+    interface CommonConnectionOptions {
+        /**
+         * An optional TLS context object from tls.createSecureContext()
+         */
+        secureContext?: SecureContext | undefined;
+        /**
+         * When enabled, TLS packet trace information is written to `stderr`. This can be
+         * used to debug TLS connection problems.
+         * @default false
+         */
+        enableTrace?: boolean | undefined;
+        /**
+         * If true the server will request a certificate from clients that
+         * connect and attempt to verify that certificate. Defaults to
+         * false.
+         */
+        requestCert?: boolean | undefined;
+        /**
+         * An array of strings or a Buffer naming possible ALPN protocols.
+         * (Protocols should be ordered by their priority.)
+         */
+        ALPNProtocols?: string[] | Uint8Array[] | Uint8Array | undefined;
+        /**
+         * SNICallback(servername, cb) <Function> A function that will be
+         * called if the client supports SNI TLS extension. Two arguments
+         * will be passed when called: servername and cb. SNICallback should
+         * invoke cb(null, ctx), where ctx is a SecureContext instance.
+         * (tls.createSecureContext(...) can be used to get a proper
+         * SecureContext.) If SNICallback wasn't provided the default callback
+         * with high-level API will be used (see below).
+         */
+        SNICallback?: ((servername: string, cb: (err: Error | null, ctx?: SecureContext) => void) => void) | undefined;
+        /**
+         * If true the server will reject any connection which is not
+         * authorized with the list of supplied CAs. This option only has an
+         * effect if requestCert is true.
+         * @default true
+         */
+        rejectUnauthorized?: boolean | undefined;
+    }
+    interface TlsOptions extends SecureContextOptions, CommonConnectionOptions, net.ServerOpts {
+        /**
+         * Abort the connection if the SSL/TLS handshake does not finish in the
+         * specified number of milliseconds. A 'tlsClientError' is emitted on
+         * the tls.Server object whenever a handshake times out. Default:
+         * 120000 (120 seconds).
+         */
+        handshakeTimeout?: number | undefined;
+        /**
+         * The number of seconds after which a TLS session created by the
+         * server will no longer be resumable. See Session Resumption for more
+         * information. Default: 300.
+         */
+        sessionTimeout?: number | undefined;
+        /**
+         * 48-bytes of cryptographically strong pseudo-random data.
+         */
+        ticketKeys?: Buffer | undefined;
+        /**
+         *
+         * @param socket
+         * @param identity identity parameter sent from the client.
+         * @return pre-shared key that must either be
+         * a buffer or `null` to stop the negotiation process. Returned PSK must be
+         * compatible with the selected cipher's digest.
+         *
+         * When negotiating TLS-PSK (pre-shared keys), this function is called
+         * with the identity provided by the client.
+         * If the return value is `null` the negotiation process will stop and an
+         * "unknown_psk_identity" alert message will be sent to the other party.
+         * If the server wishes to hide the fact that the PSK identity was not known,
+         * the callback must provide some random data as `psk` to make the connection
+         * fail with "decrypt_error" before negotiation is finished.
+         * PSK ciphers are disabled by default, and using TLS-PSK thus
+         * requires explicitly specifying a cipher suite with the `ciphers` option.
+         * More information can be found in the RFC 4279.
+         */
+        pskCallback?(socket: TLSSocket, identity: string): DataView | NodeJS.TypedArray | null;
+        /**
+         * hint to send to a client to help
+         * with selecting the identity during TLS-PSK negotiation. Will be ignored
+         * in TLS 1.3. Upon failing to set pskIdentityHint `tlsClientError` will be
+         * emitted with `ERR_TLS_PSK_SET_IDENTIY_HINT_FAILED` code.
+         */
+        pskIdentityHint?: string | undefined;
+    }
+    interface PSKCallbackNegotation {
+        psk: DataView | NodeJS.TypedArray;
+        identity: string;
+    }
+    interface ConnectionOptions extends SecureContextOptions, CommonConnectionOptions {
+        host?: string | undefined;
+        port?: number | undefined;
+        path?: string | undefined; // Creates unix socket connection to path. If this option is specified, `host` and `port` are ignored.
+        socket?: stream.Duplex | undefined; // Establish secure connection on a given socket rather than creating a new socket
+        checkServerIdentity?: typeof checkServerIdentity | undefined;
+        servername?: string | undefined; // SNI TLS Extension
+        session?: Buffer | undefined;
+        minDHSize?: number | undefined;
+        lookup?: net.LookupFunction | undefined;
+        timeout?: number | undefined;
+        /**
+         * When negotiating TLS-PSK (pre-shared keys), this function is called
+         * with optional identity `hint` provided by the server or `null`
+         * in case of TLS 1.3 where `hint` was removed.
+         * It will be necessary to provide a custom `tls.checkServerIdentity()`
+         * for the connection as the default one will try to check hostname/IP
+         * of the server against the certificate but that's not applicable for PSK
+         * because there won't be a certificate present.
+         * More information can be found in the RFC 4279.
+         *
+         * @param hint message sent from the server to help client
+         * decide which identity to use during negotiation.
+         * Always `null` if TLS 1.3 is used.
+         * @returns Return `null` to stop the negotiation process. `psk` must be
+         * compatible with the selected cipher's digest.
+         * `identity` must use UTF-8 encoding.
+         */
+        pskCallback?(hint: string | null): PSKCallbackNegotation | null;
+    }
+    /**
+     * Accepts encrypted connections using TLS or SSL.
+     * @since v0.3.2
+     */
+    class Server extends net.Server {
+        constructor(secureConnectionListener?: (socket: TLSSocket) => void);
+        constructor(options: TlsOptions, secureConnectionListener?: (socket: TLSSocket) => void);
+        /**
+         * The `server.addContext()` method adds a secure context that will be used if
+         * the client request's SNI name matches the supplied `hostname` (or wildcard).
+         *
+         * When there are multiple matching contexts, the most recently added one is
+         * used.
+         * @since v0.5.3
+         * @param hostname A SNI host name or wildcard (e.g. `'*'`)
+         * @param context An object containing any of the possible properties from the {@link createSecureContext} `options` arguments (e.g. `key`, `cert`, `ca`, etc).
+         */
+        addContext(hostname: string, context: SecureContextOptions): void;
+        /**
+         * Returns the session ticket keys.
+         *
+         * See `Session Resumption` for more information.
+         * @since v3.0.0
+         * @return A 48-byte buffer containing the session ticket keys.
+         */
+        getTicketKeys(): Buffer;
+        /**
+         * The `server.setSecureContext()` method replaces the secure context of an
+         * existing server. Existing connections to the server are not interrupted.
+         * @since v11.0.0
+         * @param options An object containing any of the possible properties from the {@link createSecureContext} `options` arguments (e.g. `key`, `cert`, `ca`, etc).
+         */
+        setSecureContext(options: SecureContextOptions): void;
+        /**
+         * Sets the session ticket keys.
+         *
+         * Changes to the ticket keys are effective only for future server connections.
+         * Existing or currently pending server connections will use the previous keys.
+         *
+         * See `Session Resumption` for more information.
+         * @since v3.0.0
+         * @param keys A 48-byte buffer containing the session ticket keys.
+         */
+        setTicketKeys(keys: Buffer): void;
+        /**
+         * events.EventEmitter
+         * 1. tlsClientError
+         * 2. newSession
+         * 3. OCSPRequest
+         * 4. resumeSession
+         * 5. secureConnection
+         * 6. keylog
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'tlsClientError', listener: (err: Error, tlsSocket: TLSSocket) => void): this;
+        addListener(event: 'newSession', listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void): this;
+        addListener(event: 'OCSPRequest', listener: (certificate: Buffer, issuer: Buffer, callback: (err: Error | null, resp: Buffer) => void) => void): this;
+        addListener(event: 'resumeSession', listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void): this;
+        addListener(event: 'secureConnection', listener: (tlsSocket: TLSSocket) => void): this;
+        addListener(event: 'keylog', listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'tlsClientError', err: Error, tlsSocket: TLSSocket): boolean;
+        emit(event: 'newSession', sessionId: Buffer, sessionData: Buffer, callback: () => void): boolean;
+        emit(event: 'OCSPRequest', certificate: Buffer, issuer: Buffer, callback: (err: Error | null, resp: Buffer) => void): boolean;
+        emit(event: 'resumeSession', sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void): boolean;
+        emit(event: 'secureConnection', tlsSocket: TLSSocket): boolean;
+        emit(event: 'keylog', line: Buffer, tlsSocket: TLSSocket): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'tlsClientError', listener: (err: Error, tlsSocket: TLSSocket) => void): this;
+        on(event: 'newSession', listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void): this;
+        on(event: 'OCSPRequest', listener: (certificate: Buffer, issuer: Buffer, callback: (err: Error | null, resp: Buffer) => void) => void): this;
+        on(event: 'resumeSession', listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void): this;
+        on(event: 'secureConnection', listener: (tlsSocket: TLSSocket) => void): this;
+        on(event: 'keylog', listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'tlsClientError', listener: (err: Error, tlsSocket: TLSSocket) => void): this;
+        once(event: 'newSession', listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void): this;
+        once(event: 'OCSPRequest', listener: (certificate: Buffer, issuer: Buffer, callback: (err: Error | null, resp: Buffer) => void) => void): this;
+        once(event: 'resumeSession', listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void): this;
+        once(event: 'secureConnection', listener: (tlsSocket: TLSSocket) => void): this;
+        once(event: 'keylog', listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'tlsClientError', listener: (err: Error, tlsSocket: TLSSocket) => void): this;
+        prependListener(event: 'newSession', listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void): this;
+        prependListener(event: 'OCSPRequest', listener: (certificate: Buffer, issuer: Buffer, callback: (err: Error | null, resp: Buffer) => void) => void): this;
+        prependListener(event: 'resumeSession', listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void): this;
+        prependListener(event: 'secureConnection', listener: (tlsSocket: TLSSocket) => void): this;
+        prependListener(event: 'keylog', listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'tlsClientError', listener: (err: Error, tlsSocket: TLSSocket) => void): this;
+        prependOnceListener(event: 'newSession', listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void): this;
+        prependOnceListener(event: 'OCSPRequest', listener: (certificate: Buffer, issuer: Buffer, callback: (err: Error | null, resp: Buffer) => void) => void): this;
+        prependOnceListener(event: 'resumeSession', listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void): this;
+        prependOnceListener(event: 'secureConnection', listener: (tlsSocket: TLSSocket) => void): this;
+        prependOnceListener(event: 'keylog', listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
+    }
+    /**
+     * @deprecated since v0.11.3 Use `tls.TLSSocket` instead.
+     */
+    interface SecurePair {
+        encrypted: TLSSocket;
+        cleartext: TLSSocket;
+    }
+    type SecureVersion = 'TLSv1.3' | 'TLSv1.2' | 'TLSv1.1' | 'TLSv1';
+    interface SecureContextOptions {
+        /**
+         * Optionally override the trusted CA certificates. Default is to trust
+         * the well-known CAs curated by Mozilla. Mozilla's CAs are completely
+         * replaced when CAs are explicitly specified using this option.
+         */
+        ca?: string | Buffer | Array<string | Buffer> | undefined;
+        /**
+         *  Cert chains in PEM format. One cert chain should be provided per
+         *  private key. Each cert chain should consist of the PEM formatted
+         *  certificate for a provided private key, followed by the PEM
+         *  formatted intermediate certificates (if any), in order, and not
+         *  including the root CA (the root CA must be pre-known to the peer,
+         *  see ca). When providing multiple cert chains, they do not have to
+         *  be in the same order as their private keys in key. If the
+         *  intermediate certificates are not provided, the peer will not be
+         *  able to validate the certificate, and the handshake will fail.
+         */
+        cert?: string | Buffer | Array<string | Buffer> | undefined;
+        /**
+         *  Colon-separated list of supported signature algorithms. The list
+         *  can contain digest algorithms (SHA256, MD5 etc.), public key
+         *  algorithms (RSA-PSS, ECDSA etc.), combination of both (e.g
+         *  'RSA+SHA384') or TLS v1.3 scheme names (e.g. rsa_pss_pss_sha512).
+         */
+        sigalgs?: string | undefined;
+        /**
+         * Cipher suite specification, replacing the default. For more
+         * information, see modifying the default cipher suite. Permitted
+         * ciphers can be obtained via tls.getCiphers(). Cipher names must be
+         * uppercased in order for OpenSSL to accept them.
+         */
+        ciphers?: string | undefined;
+        /**
+         * Name of an OpenSSL engine which can provide the client certificate.
+         */
+        clientCertEngine?: string | undefined;
+        /**
+         * PEM formatted CRLs (Certificate Revocation Lists).
+         */
+        crl?: string | Buffer | Array<string | Buffer> | undefined;
+        /**
+         * Diffie Hellman parameters, required for Perfect Forward Secrecy. Use
+         * openssl dhparam to create the parameters. The key length must be
+         * greater than or equal to 1024 bits or else an error will be thrown.
+         * Although 1024 bits is permissible, use 2048 bits or larger for
+         * stronger security. If omitted or invalid, the parameters are
+         * silently discarded and DHE ciphers will not be available.
+         */
+        dhparam?: string | Buffer | undefined;
+        /**
+         * A string describing a named curve or a colon separated list of curve
+         * NIDs or names, for example P-521:P-384:P-256, to use for ECDH key
+         * agreement. Set to auto to select the curve automatically. Use
+         * crypto.getCurves() to obtain a list of available curve names. On
+         * recent releases, openssl ecparam -list_curves will also display the
+         * name and description of each available elliptic curve. Default:
+         * tls.DEFAULT_ECDH_CURVE.
+         */
+        ecdhCurve?: string | undefined;
+        /**
+         * Attempt to use the server's cipher suite preferences instead of the
+         * client's. When true, causes SSL_OP_CIPHER_SERVER_PREFERENCE to be
+         * set in secureOptions
+         */
+        honorCipherOrder?: boolean | undefined;
+        /**
+         * Private keys in PEM format. PEM allows the option of private keys
+         * being encrypted. Encrypted keys will be decrypted with
+         * options.passphrase. Multiple keys using different algorithms can be
+         * provided either as an array of unencrypted key strings or buffers,
+         * or an array of objects in the form {pem: <string|buffer>[,
+         * passphrase: <string>]}. The object form can only occur in an array.
+         * object.passphrase is optional. Encrypted keys will be decrypted with
+         * object.passphrase if provided, or options.passphrase if it is not.
+         */
+        key?: string | Buffer | Array<string | Buffer | KeyObject> | undefined;
+        /**
+         * Name of an OpenSSL engine to get private key from. Should be used
+         * together with privateKeyIdentifier.
+         */
+        privateKeyEngine?: string | undefined;
+        /**
+         * Identifier of a private key managed by an OpenSSL engine. Should be
+         * used together with privateKeyEngine. Should not be set together with
+         * key, because both options define a private key in different ways.
+         */
+        privateKeyIdentifier?: string | undefined;
+        /**
+         * Optionally set the maximum TLS version to allow. One
+         * of `'TLSv1.3'`, `'TLSv1.2'`, `'TLSv1.1'`, or `'TLSv1'`. Cannot be specified along with the
+         * `secureProtocol` option, use one or the other.
+         * **Default:** `'TLSv1.3'`, unless changed using CLI options. Using
+         * `--tls-max-v1.2` sets the default to `'TLSv1.2'`. Using `--tls-max-v1.3` sets the default to
+         * `'TLSv1.3'`. If multiple of the options are provided, the highest maximum is used.
+         */
+        maxVersion?: SecureVersion | undefined;
+        /**
+         * Optionally set the minimum TLS version to allow. One
+         * of `'TLSv1.3'`, `'TLSv1.2'`, `'TLSv1.1'`, or `'TLSv1'`. Cannot be specified along with the
+         * `secureProtocol` option, use one or the other.  It is not recommended to use
+         * less than TLSv1.2, but it may be required for interoperability.
+         * **Default:** `'TLSv1.2'`, unless changed using CLI options. Using
+         * `--tls-v1.0` sets the default to `'TLSv1'`. Using `--tls-v1.1` sets the default to
+         * `'TLSv1.1'`. Using `--tls-min-v1.3` sets the default to
+         * 'TLSv1.3'. If multiple of the options are provided, the lowest minimum is used.
+         */
+        minVersion?: SecureVersion | undefined;
+        /**
+         * Shared passphrase used for a single private key and/or a PFX.
+         */
+        passphrase?: string | undefined;
+        /**
+         * PFX or PKCS12 encoded private key and certificate chain. pfx is an
+         * alternative to providing key and cert individually. PFX is usually
+         * encrypted, if it is, passphrase will be used to decrypt it. Multiple
+         * PFX can be provided either as an array of unencrypted PFX buffers,
+         * or an array of objects in the form {buf: <string|buffer>[,
+         * passphrase: <string>]}. The object form can only occur in an array.
+         * object.passphrase is optional. Encrypted PFX will be decrypted with
+         * object.passphrase if provided, or options.passphrase if it is not.
+         */
+        pfx?: string | Buffer | Array<string | Buffer | PxfObject> | undefined;
+        /**
+         * Optionally affect the OpenSSL protocol behavior, which is not
+         * usually necessary. This should be used carefully if at all! Value is
+         * a numeric bitmask of the SSL_OP_* options from OpenSSL Options
+         */
+        secureOptions?: number | undefined; // Value is a numeric bitmask of the `SSL_OP_*` options
+        /**
+         * Legacy mechanism to select the TLS protocol version to use, it does
+         * not support independent control of the minimum and maximum version,
+         * and does not support limiting the protocol to TLSv1.3. Use
+         * minVersion and maxVersion instead. The possible values are listed as
+         * SSL_METHODS, use the function names as strings. For example, use
+         * 'TLSv1_1_method' to force TLS version 1.1, or 'TLS_method' to allow
+         * any TLS protocol version up to TLSv1.3. It is not recommended to use
+         * TLS versions less than 1.2, but it may be required for
+         * interoperability. Default: none, see minVersion.
+         */
+        secureProtocol?: string | undefined;
+        /**
+         * Opaque identifier used by servers to ensure session state is not
+         * shared between applications. Unused by clients.
+         */
+        sessionIdContext?: string | undefined;
+        /**
+         * 48-bytes of cryptographically strong pseudo-random data.
+         * See Session Resumption for more information.
+         */
+        ticketKeys?: Buffer | undefined;
+        /**
+         * The number of seconds after which a TLS session created by the
+         * server will no longer be resumable. See Session Resumption for more
+         * information. Default: 300.
+         */
+        sessionTimeout?: number | undefined;
+    }
+    interface SecureContext {
+        context: any;
+    }
+    /**
+     * Verifies the certificate `cert` is issued to `hostname`.
+     *
+     * Returns [Error](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error) object, populating it with `reason`, `host`, and `cert` on
+     * failure. On success, returns [undefined](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Undefined_type).
+     *
+     * This function is intended to be used in combination with the`checkServerIdentity` option that can be passed to {@link connect} and as
+     * such operates on a `certificate object`. For other purposes, consider using `x509.checkHost()` instead.
+     *
+     * This function can be overwritten by providing an alternative function as the`options.checkServerIdentity` option that is passed to `tls.connect()`. The
+     * overwriting function can call `tls.checkServerIdentity()` of course, to augment
+     * the checks done with additional verification.
+     *
+     * This function is only called if the certificate passed all other checks, such as
+     * being issued by trusted CA (`options.ca`).
+     *
+     * Earlier versions of Node.js incorrectly accepted certificates for a given`hostname` if a matching `uniformResourceIdentifier` subject alternative name
+     * was present (see [CVE-2021-44531](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44531)). Applications that wish to accept`uniformResourceIdentifier` subject alternative names can use
+     * a custom`options.checkServerIdentity` function that implements the desired behavior.
+     * @since v0.8.4
+     * @param hostname The host name or IP address to verify the certificate against.
+     * @param cert A `certificate object` representing the peer's certificate.
+     */
+    function checkServerIdentity(hostname: string, cert: PeerCertificate): Error | undefined;
+    /**
+     * Creates a new {@link Server}. The `secureConnectionListener`, if provided, is
+     * automatically set as a listener for the `'secureConnection'` event.
+     *
+     * The `ticketKeys` options is automatically shared between `cluster` module
+     * workers.
+     *
+     * The following illustrates a simple echo server:
+     *
+     * ```js
+     * const tls = require('tls');
+     * const fs = require('fs');
+     *
+     * const options = {
+     *   key: fs.readFileSync('server-key.pem'),
+     *   cert: fs.readFileSync('server-cert.pem'),
+     *
+     *   // This is necessary only if using client certificate authentication.
+     *   requestCert: true,
+     *
+     *   // This is necessary only if the client uses a self-signed certificate.
+     *   ca: [ fs.readFileSync('client-cert.pem') ]
+     * };
+     *
+     * const server = tls.createServer(options, (socket) => {
+     *   console.log('server connected',
+     *               socket.authorized ? 'authorized' : 'unauthorized');
+     *   socket.write('welcome!\n');
+     *   socket.setEncoding('utf8');
+     *   socket.pipe(socket);
+     * });
+     * server.listen(8000, () => {
+     *   console.log('server bound');
+     * });
+     * ```
+     *
+     * The server can be tested by connecting to it using the example client from {@link connect}.
+     * @since v0.3.2
+     */
+    function createServer(secureConnectionListener?: (socket: TLSSocket) => void): Server;
+    function createServer(options: TlsOptions, secureConnectionListener?: (socket: TLSSocket) => void): Server;
+    /**
+     * The `callback` function, if specified, will be added as a listener for the `'secureConnect'` event.
+     *
+     * `tls.connect()` returns a {@link TLSSocket} object.
+     *
+     * Unlike the `https` API, `tls.connect()` does not enable the
+     * SNI (Server Name Indication) extension by default, which may cause some
+     * servers to return an incorrect certificate or reject the connection
+     * altogether. To enable SNI, set the `servername` option in addition
+     * to `host`.
+     *
+     * The following illustrates a client for the echo server example from {@link createServer}:
+     *
+     * ```js
+     * // Assumes an echo server that is listening on port 8000.
+     * const tls = require('tls');
+     * const fs = require('fs');
+     *
+     * const options = {
+     *   // Necessary only if the server requires client certificate authentication.
+     *   key: fs.readFileSync('client-key.pem'),
+     *   cert: fs.readFileSync('client-cert.pem'),
+     *
+     *   // Necessary only if the server uses a self-signed certificate.
+     *   ca: [ fs.readFileSync('server-cert.pem') ],
+     *
+     *   // Necessary only if the server's cert isn't for "localhost".
+     *   checkServerIdentity: () => { return null; },
+     * };
+     *
+     * const socket = tls.connect(8000, options, () => {
+     *   console.log('client connected',
+     *               socket.authorized ? 'authorized' : 'unauthorized');
+     *   process.stdin.pipe(socket);
+     *   process.stdin.resume();
+     * });
+     * socket.setEncoding('utf8');
+     * socket.on('data', (data) => {
+     *   console.log(data);
+     * });
+     * socket.on('end', () => {
+     *   console.log('server ends connection');
+     * });
+     * ```
+     * @since v0.11.3
+     */
+    function connect(options: ConnectionOptions, secureConnectListener?: () => void): TLSSocket;
+    function connect(port: number, host?: string, options?: ConnectionOptions, secureConnectListener?: () => void): TLSSocket;
+    function connect(port: number, options?: ConnectionOptions, secureConnectListener?: () => void): TLSSocket;
+    /**
+     * Creates a new secure pair object with two streams, one of which reads and writes
+     * the encrypted data and the other of which reads and writes the cleartext data.
+     * Generally, the encrypted stream is piped to/from an incoming encrypted data
+     * stream and the cleartext one is used as a replacement for the initial encrypted
+     * stream.
+     *
+     * `tls.createSecurePair()` returns a `tls.SecurePair` object with `cleartext` and`encrypted` stream properties.
+     *
+     * Using `cleartext` has the same API as {@link TLSSocket}.
+     *
+     * The `tls.createSecurePair()` method is now deprecated in favor of`tls.TLSSocket()`. For example, the code:
+     *
+     * ```js
+     * pair = tls.createSecurePair(// ... );
+     * pair.encrypted.pipe(socket);
+     * socket.pipe(pair.encrypted);
+     * ```
+     *
+     * can be replaced by:
+     *
+     * ```js
+     * secureSocket = tls.TLSSocket(socket, options);
+     * ```
+     *
+     * where `secureSocket` has the same API as `pair.cleartext`.
+     * @since v0.3.2
+     * @deprecated Since v0.11.3 - Use {@link TLSSocket} instead.
+     * @param context A secure context object as returned by `tls.createSecureContext()`
+     * @param isServer `true` to specify that this TLS connection should be opened as a server.
+     * @param requestCert `true` to specify whether a server should request a certificate from a connecting client. Only applies when `isServer` is `true`.
+     * @param rejectUnauthorized If not `false` a server automatically reject clients with invalid certificates. Only applies when `isServer` is `true`.
+     */
+    function createSecurePair(context?: SecureContext, isServer?: boolean, requestCert?: boolean, rejectUnauthorized?: boolean): SecurePair;
+    /**
+     * {@link createServer} sets the default value of the `honorCipherOrder` option
+     * to `true`, other APIs that create secure contexts leave it unset.
+     *
+     * {@link createServer} uses a 128 bit truncated SHA1 hash value generated
+     * from `process.argv` as the default value of the `sessionIdContext` option, other
+     * APIs that create secure contexts have no default value.
+     *
+     * The `tls.createSecureContext()` method creates a `SecureContext` object. It is
+     * usable as an argument to several `tls` APIs, such as {@link createServer} and `server.addContext()`, but has no public methods.
+     *
+     * A key is _required_ for ciphers that use certificates. Either `key` or`pfx` can be used to provide it.
+     *
+     * If the `ca` option is not given, then Node.js will default to using [Mozilla's publicly trusted list of
+     * CAs](https://hg.mozilla.org/mozilla-central/raw-file/tip/security/nss/lib/ckfw/builtins/certdata.txt).
+     * @since v0.11.13
+     */
+    function createSecureContext(options?: SecureContextOptions): SecureContext;
+    /**
+     * Returns an array with the names of the supported TLS ciphers. The names are
+     * lower-case for historical reasons, but must be uppercased to be used in
+     * the `ciphers` option of {@link createSecureContext}.
+     *
+     * Not all supported ciphers are enabled by default. See `Modifying the default TLS cipher suite`.
+     *
+     * Cipher names that start with `'tls_'` are for TLSv1.3, all the others are for
+     * TLSv1.2 and below.
+     *
+     * ```js
+     * console.log(tls.getCiphers()); // ['aes128-gcm-sha256', 'aes128-sha', ...]
+     * ```
+     * @since v0.10.2
+     */
+    function getCiphers(): string[];
+    /**
+     * The default curve name to use for ECDH key agreement in a tls server.
+     * The default value is 'auto'. See tls.createSecureContext() for further
+     * information.
+     */
+    let DEFAULT_ECDH_CURVE: string;
+    /**
+     * The default value of the maxVersion option of
+     * tls.createSecureContext(). It can be assigned any of the supported TLS
+     * protocol versions, 'TLSv1.3', 'TLSv1.2', 'TLSv1.1', or 'TLSv1'. Default:
+     * 'TLSv1.3', unless changed using CLI options. Using --tls-max-v1.2 sets
+     * the default to 'TLSv1.2'. Using --tls-max-v1.3 sets the default to
+     * 'TLSv1.3'. If multiple of the options are provided, the highest maximum
+     * is used.
+     */
+    let DEFAULT_MAX_VERSION: SecureVersion;
+    /**
+     * The default value of the minVersion option of tls.createSecureContext().
+     * It can be assigned any of the supported TLS protocol versions,
+     * 'TLSv1.3', 'TLSv1.2', 'TLSv1.1', or 'TLSv1'. Default: 'TLSv1.2', unless
+     * changed using CLI options. Using --tls-min-v1.0 sets the default to
+     * 'TLSv1'. Using --tls-min-v1.1 sets the default to 'TLSv1.1'. Using
+     * --tls-min-v1.3 sets the default to 'TLSv1.3'. If multiple of the options
+     * are provided, the lowest minimum is used.
+     */
+    let DEFAULT_MIN_VERSION: SecureVersion;
+    /**
+     * An immutable array of strings representing the root certificates (in PEM
+     * format) used for verifying peer certificates. This is the default value
+     * of the ca option to tls.createSecureContext().
+     */
+    const rootCertificates: ReadonlyArray<string>;
+}
+declare module 'node:tls' {
+    export * from 'tls';
+}
diff --git a/node_modules/@types/node/trace_events.d.ts b/node_modules/@types/node/trace_events.d.ts
new file mode 100644
index 000000000..d47aa9311
--- /dev/null
+++ b/node_modules/@types/node/trace_events.d.ts
@@ -0,0 +1,171 @@
+/**
+ * The `trace_events` module provides a mechanism to centralize tracing information
+ * generated by V8, Node.js core, and userspace code.
+ *
+ * Tracing can be enabled with the `--trace-event-categories` command-line flag
+ * or by using the `trace_events` module. The `--trace-event-categories` flag
+ * accepts a list of comma-separated category names.
+ *
+ * The available categories are:
+ *
+ * * `node`: An empty placeholder.
+ * * `node.async_hooks`: Enables capture of detailed `async_hooks` trace data.
+ * The `async_hooks` events have a unique `asyncId` and a special `triggerId` `triggerAsyncId` property.
+ * * `node.bootstrap`: Enables capture of Node.js bootstrap milestones.
+ * * `node.console`: Enables capture of `console.time()` and `console.count()`output.
+ * * `node.dns.native`: Enables capture of trace data for DNS queries.
+ * * `node.environment`: Enables capture of Node.js Environment milestones.
+ * * `node.fs.sync`: Enables capture of trace data for file system sync methods.
+ * * `node.perf`: Enables capture of `Performance API` measurements.
+ *    * `node.perf.usertiming`: Enables capture of only Performance API User Timing
+ *    measures and marks.
+ *    * `node.perf.timerify`: Enables capture of only Performance API timerify
+ *    measurements.
+ * * `node.promises.rejections`: Enables capture of trace data tracking the number
+ * of unhandled Promise rejections and handled-after-rejections.
+ * * `node.vm.script`: Enables capture of trace data for the `vm` module's`runInNewContext()`, `runInContext()`, and `runInThisContext()` methods.
+ * * `v8`: The `V8` events are GC, compiling, and execution related.
+ *
+ * By default the `node`, `node.async_hooks`, and `v8` categories are enabled.
+ *
+ * ```bash
+ * node --trace-event-categories v8,node,node.async_hooks server.js
+ * ```
+ *
+ * Prior versions of Node.js required the use of the `--trace-events-enabled`flag to enable trace events. This requirement has been removed. However, the`--trace-events-enabled` flag _may_ still be
+ * used and will enable the`node`, `node.async_hooks`, and `v8` trace event categories by default.
+ *
+ * ```bash
+ * node --trace-events-enabled
+ *
+ * # is equivalent to
+ *
+ * node --trace-event-categories v8,node,node.async_hooks
+ * ```
+ *
+ * Alternatively, trace events may be enabled using the `trace_events` module:
+ *
+ * ```js
+ * const trace_events = require('trace_events');
+ * const tracing = trace_events.createTracing({ categories: ['node.perf'] });
+ * tracing.enable();  // Enable trace event capture for the 'node.perf' category
+ *
+ * // do work
+ *
+ * tracing.disable();  // Disable trace event capture for the 'node.perf' category
+ * ```
+ *
+ * Running Node.js with tracing enabled will produce log files that can be opened
+ * in the [`chrome://tracing`](https://www.chromium.org/developers/how-tos/trace-event-profiling-tool) tab of Chrome.
+ *
+ * The logging file is by default called `node_trace.${rotation}.log`, where`${rotation}` is an incrementing log-rotation id. The filepath pattern can
+ * be specified with `--trace-event-file-pattern` that accepts a template
+ * string that supports `${rotation}` and `${pid}`:
+ *
+ * ```bash
+ * node --trace-event-categories v8 --trace-event-file-pattern '${pid}-${rotation}.log' server.js
+ * ```
+ *
+ * To guarantee that the log file is properly generated after signal events like`SIGINT`, `SIGTERM`, or `SIGBREAK`, make sure to have the appropriate handlers
+ * in your code, such as:
+ *
+ * ```js
+ * process.on('SIGINT', function onSigint() {
+ *   console.info('Received SIGINT.');
+ *   process.exit(130);  // Or applicable exit code depending on OS and signal
+ * });
+ * ```
+ *
+ * The tracing system uses the same time source
+ * as the one used by `process.hrtime()`.
+ * However the trace-event timestamps are expressed in microseconds,
+ * unlike `process.hrtime()` which returns nanoseconds.
+ *
+ * The features from this module are not available in `Worker` threads.
+ * @experimental
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/trace_events.js)
+ */
+declare module 'trace_events' {
+    /**
+     * The `Tracing` object is used to enable or disable tracing for sets of
+     * categories. Instances are created using the
+     * `trace_events.createTracing()` method.
+     *
+     * When created, the `Tracing` object is disabled. Calling the
+     * `tracing.enable()` method adds the categories to the set of enabled trace
+     * event categories. Calling `tracing.disable()` will remove the categories
+     * from the set of enabled trace event categories.
+     */
+    interface Tracing {
+        /**
+         * A comma-separated list of the trace event categories covered by this
+         * `Tracing` object.
+         */
+        readonly categories: string;
+        /**
+         * Disables this `Tracing` object.
+         *
+         * Only trace event categories _not_ covered by other enabled `Tracing`
+         * objects and _not_ specified by the `--trace-event-categories` flag
+         * will be disabled.
+         */
+        disable(): void;
+        /**
+         * Enables this `Tracing` object for the set of categories covered by
+         * the `Tracing` object.
+         */
+        enable(): void;
+        /**
+         * `true` only if the `Tracing` object has been enabled.
+         */
+        readonly enabled: boolean;
+    }
+    interface CreateTracingOptions {
+        /**
+         * An array of trace category names. Values included in the array are
+         * coerced to a string when possible. An error will be thrown if the
+         * value cannot be coerced.
+         */
+        categories: string[];
+    }
+    /**
+     * Creates and returns a `Tracing` object for the given set of `categories`.
+     *
+     * ```js
+     * const trace_events = require('trace_events');
+     * const categories = ['node.perf', 'node.async_hooks'];
+     * const tracing = trace_events.createTracing({ categories });
+     * tracing.enable();
+     * // do stuff
+     * tracing.disable();
+     * ```
+     * @since v10.0.0
+     * @return .
+     */
+    function createTracing(options: CreateTracingOptions): Tracing;
+    /**
+     * Returns a comma-separated list of all currently-enabled trace event
+     * categories. The current set of enabled trace event categories is determined
+     * by the _union_ of all currently-enabled `Tracing` objects and any categories
+     * enabled using the `--trace-event-categories` flag.
+     *
+     * Given the file `test.js` below, the command`node --trace-event-categories node.perf test.js` will print`'node.async_hooks,node.perf'` to the console.
+     *
+     * ```js
+     * const trace_events = require('trace_events');
+     * const t1 = trace_events.createTracing({ categories: ['node.async_hooks'] });
+     * const t2 = trace_events.createTracing({ categories: ['node.perf'] });
+     * const t3 = trace_events.createTracing({ categories: ['v8'] });
+     *
+     * t1.enable();
+     * t2.enable();
+     *
+     * console.log(trace_events.getEnabledCategories());
+     * ```
+     * @since v10.0.0
+     */
+    function getEnabledCategories(): string | undefined;
+}
+declare module 'node:trace_events' {
+    export * from 'trace_events';
+}
diff --git a/node_modules/@types/node/ts4.8/assert.d.ts b/node_modules/@types/node/ts4.8/assert.d.ts
new file mode 100644
index 000000000..8e02a66a0
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/assert.d.ts
@@ -0,0 +1,911 @@
+/**
+ * The `assert` module provides a set of assertion functions for verifying
+ * invariants.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/assert.js)
+ */
+declare module 'assert' {
+    /**
+     * An alias of {@link ok}.
+     * @since v0.5.9
+     * @param value The input that is checked for being truthy.
+     */
+    function assert(value: unknown, message?: string | Error): asserts value;
+    namespace assert {
+        /**
+         * Indicates the failure of an assertion. All errors thrown by the `assert` module
+         * will be instances of the `AssertionError` class.
+         */
+        class AssertionError extends Error {
+            actual: unknown;
+            expected: unknown;
+            operator: string;
+            generatedMessage: boolean;
+            code: 'ERR_ASSERTION';
+            constructor(options?: {
+                /** If provided, the error message is set to this value. */
+                message?: string | undefined;
+                /** The `actual` property on the error instance. */
+                actual?: unknown | undefined;
+                /** The `expected` property on the error instance. */
+                expected?: unknown | undefined;
+                /** The `operator` property on the error instance. */
+                operator?: string | undefined;
+                /** If provided, the generated stack trace omits frames before this function. */
+                // tslint:disable-next-line:ban-types
+                stackStartFn?: Function | undefined;
+            });
+        }
+        /**
+         * This feature is currently experimental and behavior might still change.
+         * @since v14.2.0, v12.19.0
+         * @experimental
+         */
+        class CallTracker {
+            /**
+             * The wrapper function is expected to be called exactly `exact` times. If the
+             * function has not been called exactly `exact` times when `tracker.verify()` is called, then `tracker.verify()` will throw an
+             * error.
+             *
+             * ```js
+             * import assert from 'assert';
+             *
+             * // Creates call tracker.
+             * const tracker = new assert.CallTracker();
+             *
+             * function func() {}
+             *
+             * // Returns a function that wraps func() that must be called exact times
+             * // before tracker.verify().
+             * const callsfunc = tracker.calls(func);
+             * ```
+             * @since v14.2.0, v12.19.0
+             * @param [fn='A no-op function']
+             * @param [exact=1]
+             * @return that wraps `fn`.
+             */
+            calls(exact?: number): () => void;
+            calls<Func extends (...args: any[]) => any>(fn?: Func, exact?: number): Func;
+            /**
+             * The arrays contains information about the expected and actual number of calls of
+             * the functions that have not been called the expected number of times.
+             *
+             * ```js
+             * import assert from 'assert';
+             *
+             * // Creates call tracker.
+             * const tracker = new assert.CallTracker();
+             *
+             * function func() {}
+             *
+             * function foo() {}
+             *
+             * // Returns a function that wraps func() that must be called exact times
+             * // before tracker.verify().
+             * const callsfunc = tracker.calls(func, 2);
+             *
+             * // Returns an array containing information on callsfunc()
+             * tracker.report();
+             * // [
+             * //  {
+             * //    message: 'Expected the func function to be executed 2 time(s) but was
+             * //    executed 0 time(s).',
+             * //    actual: 0,
+             * //    expected: 2,
+             * //    operator: 'func',
+             * //    stack: stack trace
+             * //  }
+             * // ]
+             * ```
+             * @since v14.2.0, v12.19.0
+             * @return of objects containing information about the wrapper functions returned by `calls`.
+             */
+            report(): CallTrackerReportInformation[];
+            /**
+             * Iterates through the list of functions passed to `tracker.calls()` and will throw an error for functions that
+             * have not been called the expected number of times.
+             *
+             * ```js
+             * import assert from 'assert';
+             *
+             * // Creates call tracker.
+             * const tracker = new assert.CallTracker();
+             *
+             * function func() {}
+             *
+             * // Returns a function that wraps func() that must be called exact times
+             * // before tracker.verify().
+             * const callsfunc = tracker.calls(func, 2);
+             *
+             * callsfunc();
+             *
+             * // Will throw an error since callsfunc() was only called once.
+             * tracker.verify();
+             * ```
+             * @since v14.2.0, v12.19.0
+             */
+            verify(): void;
+        }
+        interface CallTrackerReportInformation {
+            message: string;
+            /** The actual number of times the function was called. */
+            actual: number;
+            /** The number of times the function was expected to be called. */
+            expected: number;
+            /** The name of the function that is wrapped. */
+            operator: string;
+            /** A stack trace of the function. */
+            stack: object;
+        }
+        type AssertPredicate = RegExp | (new () => object) | ((thrown: unknown) => boolean) | object | Error;
+        /**
+         * Throws an `AssertionError` with the provided error message or a default
+         * error message. If the `message` parameter is an instance of an `Error` then
+         * it will be thrown instead of the `AssertionError`.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.fail();
+         * // AssertionError [ERR_ASSERTION]: Failed
+         *
+         * assert.fail('boom');
+         * // AssertionError [ERR_ASSERTION]: boom
+         *
+         * assert.fail(new TypeError('need array'));
+         * // TypeError: need array
+         * ```
+         *
+         * Using `assert.fail()` with more than two arguments is possible but deprecated.
+         * See below for further details.
+         * @since v0.1.21
+         * @param [message='Failed']
+         */
+        function fail(message?: string | Error): never;
+        /** @deprecated since v10.0.0 - use fail([message]) or other assert functions instead. */
+        function fail(
+            actual: unknown,
+            expected: unknown,
+            message?: string | Error,
+            operator?: string,
+            // tslint:disable-next-line:ban-types
+            stackStartFn?: Function
+        ): never;
+        /**
+         * Tests if `value` is truthy. It is equivalent to`assert.equal(!!value, true, message)`.
+         *
+         * If `value` is not truthy, an `AssertionError` is thrown with a `message`property set equal to the value of the `message` parameter. If the `message`parameter is `undefined`, a default
+         * error message is assigned. If the `message`parameter is an instance of an `Error` then it will be thrown instead of the`AssertionError`.
+         * If no arguments are passed in at all `message` will be set to the string:`` 'No value argument passed to `assert.ok()`' ``.
+         *
+         * Be aware that in the `repl` the error message will be different to the one
+         * thrown in a file! See below for further details.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.ok(true);
+         * // OK
+         * assert.ok(1);
+         * // OK
+         *
+         * assert.ok();
+         * // AssertionError: No value argument passed to `assert.ok()`
+         *
+         * assert.ok(false, 'it\'s false');
+         * // AssertionError: it's false
+         *
+         * // In the repl:
+         * assert.ok(typeof 123 === 'string');
+         * // AssertionError: false == true
+         *
+         * // In a file (e.g. test.js):
+         * assert.ok(typeof 123 === 'string');
+         * // AssertionError: The expression evaluated to a falsy value:
+         * //
+         * //   assert.ok(typeof 123 === 'string')
+         *
+         * assert.ok(false);
+         * // AssertionError: The expression evaluated to a falsy value:
+         * //
+         * //   assert.ok(false)
+         *
+         * assert.ok(0);
+         * // AssertionError: The expression evaluated to a falsy value:
+         * //
+         * //   assert.ok(0)
+         * ```
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * // Using `assert()` works the same:
+         * assert(0);
+         * // AssertionError: The expression evaluated to a falsy value:
+         * //
+         * //   assert(0)
+         * ```
+         * @since v0.1.21
+         */
+        function ok(value: unknown, message?: string | Error): asserts value;
+        /**
+         * **Strict assertion mode**
+         *
+         * An alias of {@link strictEqual}.
+         *
+         * **Legacy assertion mode**
+         *
+         * > Stability: 3 - Legacy: Use {@link strictEqual} instead.
+         *
+         * Tests shallow, coercive equality between the `actual` and `expected` parameters
+         * using the [`==` operator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Equality). `NaN` is specially handled
+         * and treated as being identical if both sides are `NaN`.
+         *
+         * ```js
+         * import assert from 'assert';
+         *
+         * assert.equal(1, 1);
+         * // OK, 1 == 1
+         * assert.equal(1, '1');
+         * // OK, 1 == '1'
+         * assert.equal(NaN, NaN);
+         * // OK
+         *
+         * assert.equal(1, 2);
+         * // AssertionError: 1 == 2
+         * assert.equal({ a: { b: 1 } }, { a: { b: 1 } });
+         * // AssertionError: { a: { b: 1 } } == { a: { b: 1 } }
+         * ```
+         *
+         * If the values are not equal, an `AssertionError` is thrown with a `message`property set equal to the value of the `message` parameter. If the `message`parameter is undefined, a default
+         * error message is assigned. If the `message`parameter is an instance of an `Error` then it will be thrown instead of the`AssertionError`.
+         * @since v0.1.21
+         */
+        function equal(actual: unknown, expected: unknown, message?: string | Error): void;
+        /**
+         * **Strict assertion mode**
+         *
+         * An alias of {@link notStrictEqual}.
+         *
+         * **Legacy assertion mode**
+         *
+         * > Stability: 3 - Legacy: Use {@link notStrictEqual} instead.
+         *
+         * Tests shallow, coercive inequality with the [`!=` operator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Inequality). `NaN` is
+         * specially handled and treated as being identical if both sides are `NaN`.
+         *
+         * ```js
+         * import assert from 'assert';
+         *
+         * assert.notEqual(1, 2);
+         * // OK
+         *
+         * assert.notEqual(1, 1);
+         * // AssertionError: 1 != 1
+         *
+         * assert.notEqual(1, '1');
+         * // AssertionError: 1 != '1'
+         * ```
+         *
+         * If the values are equal, an `AssertionError` is thrown with a `message`property set equal to the value of the `message` parameter. If the `message`parameter is undefined, a default error
+         * message is assigned. If the `message`parameter is an instance of an `Error` then it will be thrown instead of the`AssertionError`.
+         * @since v0.1.21
+         */
+        function notEqual(actual: unknown, expected: unknown, message?: string | Error): void;
+        /**
+         * **Strict assertion mode**
+         *
+         * An alias of {@link deepStrictEqual}.
+         *
+         * **Legacy assertion mode**
+         *
+         * > Stability: 3 - Legacy: Use {@link deepStrictEqual} instead.
+         *
+         * Tests for deep equality between the `actual` and `expected` parameters. Consider
+         * using {@link deepStrictEqual} instead. {@link deepEqual} can have
+         * surprising results.
+         *
+         * _Deep equality_ means that the enumerable "own" properties of child objects
+         * are also recursively evaluated by the following rules.
+         * @since v0.1.21
+         */
+        function deepEqual(actual: unknown, expected: unknown, message?: string | Error): void;
+        /**
+         * **Strict assertion mode**
+         *
+         * An alias of {@link notDeepStrictEqual}.
+         *
+         * **Legacy assertion mode**
+         *
+         * > Stability: 3 - Legacy: Use {@link notDeepStrictEqual} instead.
+         *
+         * Tests for any deep inequality. Opposite of {@link deepEqual}.
+         *
+         * ```js
+         * import assert from 'assert';
+         *
+         * const obj1 = {
+         *   a: {
+         *     b: 1
+         *   }
+         * };
+         * const obj2 = {
+         *   a: {
+         *     b: 2
+         *   }
+         * };
+         * const obj3 = {
+         *   a: {
+         *     b: 1
+         *   }
+         * };
+         * const obj4 = Object.create(obj1);
+         *
+         * assert.notDeepEqual(obj1, obj1);
+         * // AssertionError: { a: { b: 1 } } notDeepEqual { a: { b: 1 } }
+         *
+         * assert.notDeepEqual(obj1, obj2);
+         * // OK
+         *
+         * assert.notDeepEqual(obj1, obj3);
+         * // AssertionError: { a: { b: 1 } } notDeepEqual { a: { b: 1 } }
+         *
+         * assert.notDeepEqual(obj1, obj4);
+         * // OK
+         * ```
+         *
+         * If the values are deeply equal, an `AssertionError` is thrown with a`message` property set equal to the value of the `message` parameter. If the`message` parameter is undefined, a default
+         * error message is assigned. If the`message` parameter is an instance of an `Error` then it will be thrown
+         * instead of the `AssertionError`.
+         * @since v0.1.21
+         */
+        function notDeepEqual(actual: unknown, expected: unknown, message?: string | Error): void;
+        /**
+         * Tests strict equality between the `actual` and `expected` parameters as
+         * determined by [`Object.is()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is).
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.strictEqual(1, 2);
+         * // AssertionError [ERR_ASSERTION]: Expected inputs to be strictly equal:
+         * //
+         * // 1 !== 2
+         *
+         * assert.strictEqual(1, 1);
+         * // OK
+         *
+         * assert.strictEqual('Hello foobar', 'Hello World!');
+         * // AssertionError [ERR_ASSERTION]: Expected inputs to be strictly equal:
+         * // + actual - expected
+         * //
+         * // + 'Hello foobar'
+         * // - 'Hello World!'
+         * //          ^
+         *
+         * const apples = 1;
+         * const oranges = 2;
+         * assert.strictEqual(apples, oranges, `apples ${apples} !== oranges ${oranges}`);
+         * // AssertionError [ERR_ASSERTION]: apples 1 !== oranges 2
+         *
+         * assert.strictEqual(1, '1', new TypeError('Inputs are not identical'));
+         * // TypeError: Inputs are not identical
+         * ```
+         *
+         * If the values are not strictly equal, an `AssertionError` is thrown with a`message` property set equal to the value of the `message` parameter. If the`message` parameter is undefined, a
+         * default error message is assigned. If the`message` parameter is an instance of an `Error` then it will be thrown
+         * instead of the `AssertionError`.
+         * @since v0.1.21
+         */
+        function strictEqual<T>(actual: unknown, expected: T, message?: string | Error): asserts actual is T;
+        /**
+         * Tests strict inequality between the `actual` and `expected` parameters as
+         * determined by [`Object.is()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is).
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.notStrictEqual(1, 2);
+         * // OK
+         *
+         * assert.notStrictEqual(1, 1);
+         * // AssertionError [ERR_ASSERTION]: Expected "actual" to be strictly unequal to:
+         * //
+         * // 1
+         *
+         * assert.notStrictEqual(1, '1');
+         * // OK
+         * ```
+         *
+         * If the values are strictly equal, an `AssertionError` is thrown with a`message` property set equal to the value of the `message` parameter. If the`message` parameter is undefined, a
+         * default error message is assigned. If the`message` parameter is an instance of an `Error` then it will be thrown
+         * instead of the `AssertionError`.
+         * @since v0.1.21
+         */
+        function notStrictEqual(actual: unknown, expected: unknown, message?: string | Error): void;
+        /**
+         * Tests for deep equality between the `actual` and `expected` parameters.
+         * "Deep" equality means that the enumerable "own" properties of child objects
+         * are recursively evaluated also by the following rules.
+         * @since v1.2.0
+         */
+        function deepStrictEqual<T>(actual: unknown, expected: T, message?: string | Error): asserts actual is T;
+        /**
+         * Tests for deep strict inequality. Opposite of {@link deepStrictEqual}.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.notDeepStrictEqual({ a: 1 }, { a: '1' });
+         * // OK
+         * ```
+         *
+         * If the values are deeply and strictly equal, an `AssertionError` is thrown
+         * with a `message` property set equal to the value of the `message` parameter. If
+         * the `message` parameter is undefined, a default error message is assigned. If
+         * the `message` parameter is an instance of an `Error` then it will be thrown
+         * instead of the `AssertionError`.
+         * @since v1.2.0
+         */
+        function notDeepStrictEqual(actual: unknown, expected: unknown, message?: string | Error): void;
+        /**
+         * Expects the function `fn` to throw an error.
+         *
+         * If specified, `error` can be a [`Class`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes),
+         * [`RegExp`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions), a validation function,
+         * a validation object where each property will be tested for strict deep equality,
+         * or an instance of error where each property will be tested for strict deep
+         * equality including the non-enumerable `message` and `name` properties. When
+         * using an object, it is also possible to use a regular expression, when
+         * validating against a string property. See below for examples.
+         *
+         * If specified, `message` will be appended to the message provided by the`AssertionError` if the `fn` call fails to throw or in case the error validation
+         * fails.
+         *
+         * Custom validation object/error instance:
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * const err = new TypeError('Wrong value');
+         * err.code = 404;
+         * err.foo = 'bar';
+         * err.info = {
+         *   nested: true,
+         *   baz: 'text'
+         * };
+         * err.reg = /abc/i;
+         *
+         * assert.throws(
+         *   () => {
+         *     throw err;
+         *   },
+         *   {
+         *     name: 'TypeError',
+         *     message: 'Wrong value',
+         *     info: {
+         *       nested: true,
+         *       baz: 'text'
+         *     }
+         *     // Only properties on the validation object will be tested for.
+         *     // Using nested objects requires all properties to be present. Otherwise
+         *     // the validation is going to fail.
+         *   }
+         * );
+         *
+         * // Using regular expressions to validate error properties:
+         * throws(
+         *   () => {
+         *     throw err;
+         *   },
+         *   {
+         *     // The `name` and `message` properties are strings and using regular
+         *     // expressions on those will match against the string. If they fail, an
+         *     // error is thrown.
+         *     name: /^TypeError$/,
+         *     message: /Wrong/,
+         *     foo: 'bar',
+         *     info: {
+         *       nested: true,
+         *       // It is not possible to use regular expressions for nested properties!
+         *       baz: 'text'
+         *     },
+         *     // The `reg` property contains a regular expression and only if the
+         *     // validation object contains an identical regular expression, it is going
+         *     // to pass.
+         *     reg: /abc/i
+         *   }
+         * );
+         *
+         * // Fails due to the different `message` and `name` properties:
+         * throws(
+         *   () => {
+         *     const otherErr = new Error('Not found');
+         *     // Copy all enumerable properties from `err` to `otherErr`.
+         *     for (const [key, value] of Object.entries(err)) {
+         *       otherErr[key] = value;
+         *     }
+         *     throw otherErr;
+         *   },
+         *   // The error's `message` and `name` properties will also be checked when using
+         *   // an error as validation object.
+         *   err
+         * );
+         * ```
+         *
+         * Validate instanceof using constructor:
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.throws(
+         *   () => {
+         *     throw new Error('Wrong value');
+         *   },
+         *   Error
+         * );
+         * ```
+         *
+         * Validate error message using [`RegExp`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions):
+         *
+         * Using a regular expression runs `.toString` on the error object, and will
+         * therefore also include the error name.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.throws(
+         *   () => {
+         *     throw new Error('Wrong value');
+         *   },
+         *   /^Error: Wrong value$/
+         * );
+         * ```
+         *
+         * Custom error validation:
+         *
+         * The function must return `true` to indicate all internal validations passed.
+         * It will otherwise fail with an `AssertionError`.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.throws(
+         *   () => {
+         *     throw new Error('Wrong value');
+         *   },
+         *   (err) => {
+         *     assert(err instanceof Error);
+         *     assert(/value/.test(err));
+         *     // Avoid returning anything from validation functions besides `true`.
+         *     // Otherwise, it's not clear what part of the validation failed. Instead,
+         *     // throw an error about the specific validation that failed (as done in this
+         *     // example) and add as much helpful debugging information to that error as
+         *     // possible.
+         *     return true;
+         *   },
+         *   'unexpected error'
+         * );
+         * ```
+         *
+         * `error` cannot be a string. If a string is provided as the second
+         * argument, then `error` is assumed to be omitted and the string will be used for`message` instead. This can lead to easy-to-miss mistakes. Using the same
+         * message as the thrown error message is going to result in an`ERR_AMBIGUOUS_ARGUMENT` error. Please read the example below carefully if using
+         * a string as the second argument gets considered:
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * function throwingFirst() {
+         *   throw new Error('First');
+         * }
+         *
+         * function throwingSecond() {
+         *   throw new Error('Second');
+         * }
+         *
+         * function notThrowing() {}
+         *
+         * // The second argument is a string and the input function threw an Error.
+         * // The first case will not throw as it does not match for the error message
+         * // thrown by the input function!
+         * assert.throws(throwingFirst, 'Second');
+         * // In the next example the message has no benefit over the message from the
+         * // error and since it is not clear if the user intended to actually match
+         * // against the error message, Node.js throws an `ERR_AMBIGUOUS_ARGUMENT` error.
+         * assert.throws(throwingSecond, 'Second');
+         * // TypeError [ERR_AMBIGUOUS_ARGUMENT]
+         *
+         * // The string is only used (as message) in case the function does not throw:
+         * assert.throws(notThrowing, 'Second');
+         * // AssertionError [ERR_ASSERTION]: Missing expected exception: Second
+         *
+         * // If it was intended to match for the error message do this instead:
+         * // It does not throw because the error messages match.
+         * assert.throws(throwingSecond, /Second$/);
+         *
+         * // If the error message does not match, an AssertionError is thrown.
+         * assert.throws(throwingFirst, /Second$/);
+         * // AssertionError [ERR_ASSERTION]
+         * ```
+         *
+         * Due to the confusing error-prone notation, avoid a string as the second
+         * argument.
+         * @since v0.1.21
+         */
+        function throws(block: () => unknown, message?: string | Error): void;
+        function throws(block: () => unknown, error: AssertPredicate, message?: string | Error): void;
+        /**
+         * Asserts that the function `fn` does not throw an error.
+         *
+         * Using `assert.doesNotThrow()` is actually not useful because there
+         * is no benefit in catching an error and then rethrowing it. Instead, consider
+         * adding a comment next to the specific code path that should not throw and keep
+         * error messages as expressive as possible.
+         *
+         * When `assert.doesNotThrow()` is called, it will immediately call the `fn`function.
+         *
+         * If an error is thrown and it is the same type as that specified by the `error`parameter, then an `AssertionError` is thrown. If the error is of a
+         * different type, or if the `error` parameter is undefined, the error is
+         * propagated back to the caller.
+         *
+         * If specified, `error` can be a [`Class`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes),
+         * [`RegExp`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions) or a validation
+         * function. See {@link throws} for more details.
+         *
+         * The following, for instance, will throw the `TypeError` because there is no
+         * matching error type in the assertion:
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.doesNotThrow(
+         *   () => {
+         *     throw new TypeError('Wrong value');
+         *   },
+         *   SyntaxError
+         * );
+         * ```
+         *
+         * However, the following will result in an `AssertionError` with the message
+         * 'Got unwanted exception...':
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.doesNotThrow(
+         *   () => {
+         *     throw new TypeError('Wrong value');
+         *   },
+         *   TypeError
+         * );
+         * ```
+         *
+         * If an `AssertionError` is thrown and a value is provided for the `message`parameter, the value of `message` will be appended to the `AssertionError` message:
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.doesNotThrow(
+         *   () => {
+         *     throw new TypeError('Wrong value');
+         *   },
+         *   /Wrong value/,
+         *   'Whoops'
+         * );
+         * // Throws: AssertionError: Got unwanted exception: Whoops
+         * ```
+         * @since v0.1.21
+         */
+        function doesNotThrow(block: () => unknown, message?: string | Error): void;
+        function doesNotThrow(block: () => unknown, error: AssertPredicate, message?: string | Error): void;
+        /**
+         * Throws `value` if `value` is not `undefined` or `null`. This is useful when
+         * testing the `error` argument in callbacks. The stack trace contains all frames
+         * from the error passed to `ifError()` including the potential new frames for`ifError()` itself.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.ifError(null);
+         * // OK
+         * assert.ifError(0);
+         * // AssertionError [ERR_ASSERTION]: ifError got unwanted exception: 0
+         * assert.ifError('error');
+         * // AssertionError [ERR_ASSERTION]: ifError got unwanted exception: 'error'
+         * assert.ifError(new Error());
+         * // AssertionError [ERR_ASSERTION]: ifError got unwanted exception: Error
+         *
+         * // Create some random error frames.
+         * let err;
+         * (function errorFrame() {
+         *   err = new Error('test error');
+         * })();
+         *
+         * (function ifErrorFrame() {
+         *   assert.ifError(err);
+         * })();
+         * // AssertionError [ERR_ASSERTION]: ifError got unwanted exception: test error
+         * //     at ifErrorFrame
+         * //     at errorFrame
+         * ```
+         * @since v0.1.97
+         */
+        function ifError(value: unknown): asserts value is null | undefined;
+        /**
+         * Awaits the `asyncFn` promise or, if `asyncFn` is a function, immediately
+         * calls the function and awaits the returned promise to complete. It will then
+         * check that the promise is rejected.
+         *
+         * If `asyncFn` is a function and it throws an error synchronously,`assert.rejects()` will return a rejected `Promise` with that error. If the
+         * function does not return a promise, `assert.rejects()` will return a rejected`Promise` with an `ERR_INVALID_RETURN_VALUE` error. In both cases the error
+         * handler is skipped.
+         *
+         * Besides the async nature to await the completion behaves identically to {@link throws}.
+         *
+         * If specified, `error` can be a [`Class`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes),
+         * [`RegExp`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions), a validation function,
+         * an object where each property will be tested for, or an instance of error where
+         * each property will be tested for including the non-enumerable `message` and`name` properties.
+         *
+         * If specified, `message` will be the message provided by the `AssertionError` if the `asyncFn` fails to reject.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * await assert.rejects(
+         *   async () => {
+         *     throw new TypeError('Wrong value');
+         *   },
+         *   {
+         *     name: 'TypeError',
+         *     message: 'Wrong value'
+         *   }
+         * );
+         * ```
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * await assert.rejects(
+         *   async () => {
+         *     throw new TypeError('Wrong value');
+         *   },
+         *   (err) => {
+         *     assert.strictEqual(err.name, 'TypeError');
+         *     assert.strictEqual(err.message, 'Wrong value');
+         *     return true;
+         *   }
+         * );
+         * ```
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.rejects(
+         *   Promise.reject(new Error('Wrong value')),
+         *   Error
+         * ).then(() => {
+         *   // ...
+         * });
+         * ```
+         *
+         * `error` cannot be a string. If a string is provided as the second
+         * argument, then `error` is assumed to be omitted and the string will be used for`message` instead. This can lead to easy-to-miss mistakes. Please read the
+         * example in {@link throws} carefully if using a string as the second
+         * argument gets considered.
+         * @since v10.0.0
+         */
+        function rejects(block: (() => Promise<unknown>) | Promise<unknown>, message?: string | Error): Promise<void>;
+        function rejects(block: (() => Promise<unknown>) | Promise<unknown>, error: AssertPredicate, message?: string | Error): Promise<void>;
+        /**
+         * Awaits the `asyncFn` promise or, if `asyncFn` is a function, immediately
+         * calls the function and awaits the returned promise to complete. It will then
+         * check that the promise is not rejected.
+         *
+         * If `asyncFn` is a function and it throws an error synchronously,`assert.doesNotReject()` will return a rejected `Promise` with that error. If
+         * the function does not return a promise, `assert.doesNotReject()` will return a
+         * rejected `Promise` with an `ERR_INVALID_RETURN_VALUE` error. In both cases
+         * the error handler is skipped.
+         *
+         * Using `assert.doesNotReject()` is actually not useful because there is little
+         * benefit in catching a rejection and then rejecting it again. Instead, consider
+         * adding a comment next to the specific code path that should not reject and keep
+         * error messages as expressive as possible.
+         *
+         * If specified, `error` can be a [`Class`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes),
+         * [`RegExp`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions) or a validation
+         * function. See {@link throws} for more details.
+         *
+         * Besides the async nature to await the completion behaves identically to {@link doesNotThrow}.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * await assert.doesNotReject(
+         *   async () => {
+         *     throw new TypeError('Wrong value');
+         *   },
+         *   SyntaxError
+         * );
+         * ```
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.doesNotReject(Promise.reject(new TypeError('Wrong value')))
+         *   .then(() => {
+         *     // ...
+         *   });
+         * ```
+         * @since v10.0.0
+         */
+        function doesNotReject(block: (() => Promise<unknown>) | Promise<unknown>, message?: string | Error): Promise<void>;
+        function doesNotReject(block: (() => Promise<unknown>) | Promise<unknown>, error: AssertPredicate, message?: string | Error): Promise<void>;
+        /**
+         * Expects the `string` input to match the regular expression.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.match('I will fail', /pass/);
+         * // AssertionError [ERR_ASSERTION]: The input did not match the regular ...
+         *
+         * assert.match(123, /pass/);
+         * // AssertionError [ERR_ASSERTION]: The "string" argument must be of type string.
+         *
+         * assert.match('I will pass', /pass/);
+         * // OK
+         * ```
+         *
+         * If the values do not match, or if the `string` argument is of another type than`string`, an `AssertionError` is thrown with a `message` property set equal
+         * to the value of the `message` parameter. If the `message` parameter is
+         * undefined, a default error message is assigned. If the `message` parameter is an
+         * instance of an `Error` then it will be thrown instead of the `AssertionError`.
+         * @since v13.6.0, v12.16.0
+         */
+        function match(value: string, regExp: RegExp, message?: string | Error): void;
+        /**
+         * Expects the `string` input not to match the regular expression.
+         *
+         * ```js
+         * import assert from 'assert/strict';
+         *
+         * assert.doesNotMatch('I will fail', /fail/);
+         * // AssertionError [ERR_ASSERTION]: The input was expected to not match the ...
+         *
+         * assert.doesNotMatch(123, /pass/);
+         * // AssertionError [ERR_ASSERTION]: The "string" argument must be of type string.
+         *
+         * assert.doesNotMatch('I will pass', /different/);
+         * // OK
+         * ```
+         *
+         * If the values do match, or if the `string` argument is of another type than`string`, an `AssertionError` is thrown with a `message` property set equal
+         * to the value of the `message` parameter. If the `message` parameter is
+         * undefined, a default error message is assigned. If the `message` parameter is an
+         * instance of an `Error` then it will be thrown instead of the `AssertionError`.
+         * @since v13.6.0, v12.16.0
+         */
+        function doesNotMatch(value: string, regExp: RegExp, message?: string | Error): void;
+        const strict: Omit<typeof assert, 'equal' | 'notEqual' | 'deepEqual' | 'notDeepEqual' | 'ok' | 'strictEqual' | 'deepStrictEqual' | 'ifError' | 'strict'> & {
+            (value: unknown, message?: string | Error): asserts value;
+            equal: typeof strictEqual;
+            notEqual: typeof notStrictEqual;
+            deepEqual: typeof deepStrictEqual;
+            notDeepEqual: typeof notDeepStrictEqual;
+            // Mapped types and assertion functions are incompatible?
+            // TS2775: Assertions require every name in the call target
+            // to be declared with an explicit type annotation.
+            ok: typeof ok;
+            strictEqual: typeof strictEqual;
+            deepStrictEqual: typeof deepStrictEqual;
+            ifError: typeof ifError;
+            strict: typeof strict;
+        };
+    }
+    export = assert;
+}
+declare module 'node:assert' {
+    import assert = require('assert');
+    export = assert;
+}
diff --git a/node_modules/@types/node/ts4.8/assert/strict.d.ts b/node_modules/@types/node/ts4.8/assert/strict.d.ts
new file mode 100644
index 000000000..b4319b974
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/assert/strict.d.ts
@@ -0,0 +1,8 @@
+declare module 'assert/strict' {
+    import { strict } from 'node:assert';
+    export = strict;
+}
+declare module 'node:assert/strict' {
+    import { strict } from 'node:assert';
+    export = strict;
+}
diff --git a/node_modules/@types/node/ts4.8/async_hooks.d.ts b/node_modules/@types/node/ts4.8/async_hooks.d.ts
new file mode 100644
index 000000000..0bf473965
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/async_hooks.d.ts
@@ -0,0 +1,501 @@
+/**
+ * The `async_hooks` module provides an API to track asynchronous resources. It
+ * can be accessed using:
+ *
+ * ```js
+ * import async_hooks from 'async_hooks';
+ * ```
+ * @experimental
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/async_hooks.js)
+ */
+declare module 'async_hooks' {
+    /**
+     * ```js
+     * import { executionAsyncId } from 'async_hooks';
+     *
+     * console.log(executionAsyncId());  // 1 - bootstrap
+     * fs.open(path, 'r', (err, fd) => {
+     *   console.log(executionAsyncId());  // 6 - open()
+     * });
+     * ```
+     *
+     * The ID returned from `executionAsyncId()` is related to execution timing, not
+     * causality (which is covered by `triggerAsyncId()`):
+     *
+     * ```js
+     * const server = net.createServer((conn) => {
+     *   // Returns the ID of the server, not of the new connection, because the
+     *   // callback runs in the execution scope of the server's MakeCallback().
+     *   async_hooks.executionAsyncId();
+     *
+     * }).listen(port, () => {
+     *   // Returns the ID of a TickObject (process.nextTick()) because all
+     *   // callbacks passed to .listen() are wrapped in a nextTick().
+     *   async_hooks.executionAsyncId();
+     * });
+     * ```
+     *
+     * Promise contexts may not get precise `executionAsyncIds` by default.
+     * See the section on `promise execution tracking`.
+     * @since v8.1.0
+     * @return The `asyncId` of the current execution context. Useful to track when something calls.
+     */
+    function executionAsyncId(): number;
+    /**
+     * Resource objects returned by `executionAsyncResource()` are most often internal
+     * Node.js handle objects with undocumented APIs. Using any functions or properties
+     * on the object is likely to crash your application and should be avoided.
+     *
+     * Using `executionAsyncResource()` in the top-level execution context will
+     * return an empty object as there is no handle or request object to use,
+     * but having an object representing the top-level can be helpful.
+     *
+     * ```js
+     * import { open } from 'fs';
+     * import { executionAsyncId, executionAsyncResource } from 'async_hooks';
+     *
+     * console.log(executionAsyncId(), executionAsyncResource());  // 1 {}
+     * open(new URL(import.meta.url), 'r', (err, fd) => {
+     *   console.log(executionAsyncId(), executionAsyncResource());  // 7 FSReqWrap
+     * });
+     * ```
+     *
+     * This can be used to implement continuation local storage without the
+     * use of a tracking `Map` to store the metadata:
+     *
+     * ```js
+     * import { createServer } from 'http';
+     * import {
+     *   executionAsyncId,
+     *   executionAsyncResource,
+     *   createHook
+     * } from 'async_hooks';
+     * const sym = Symbol('state'); // Private symbol to avoid pollution
+     *
+     * createHook({
+     *   init(asyncId, type, triggerAsyncId, resource) {
+     *     const cr = executionAsyncResource();
+     *     if (cr) {
+     *       resource[sym] = cr[sym];
+     *     }
+     *   }
+     * }).enable();
+     *
+     * const server = createServer((req, res) => {
+     *   executionAsyncResource()[sym] = { state: req.url };
+     *   setTimeout(function() {
+     *     res.end(JSON.stringify(executionAsyncResource()[sym]));
+     *   }, 100);
+     * }).listen(3000);
+     * ```
+     * @since v13.9.0, v12.17.0
+     * @return The resource representing the current execution. Useful to store data within the resource.
+     */
+    function executionAsyncResource(): object;
+    /**
+     * ```js
+     * const server = net.createServer((conn) => {
+     *   // The resource that caused (or triggered) this callback to be called
+     *   // was that of the new connection. Thus the return value of triggerAsyncId()
+     *   // is the asyncId of "conn".
+     *   async_hooks.triggerAsyncId();
+     *
+     * }).listen(port, () => {
+     *   // Even though all callbacks passed to .listen() are wrapped in a nextTick()
+     *   // the callback itself exists because the call to the server's .listen()
+     *   // was made. So the return value would be the ID of the server.
+     *   async_hooks.triggerAsyncId();
+     * });
+     * ```
+     *
+     * Promise contexts may not get valid `triggerAsyncId`s by default. See
+     * the section on `promise execution tracking`.
+     * @return The ID of the resource responsible for calling the callback that is currently being executed.
+     */
+    function triggerAsyncId(): number;
+    interface HookCallbacks {
+        /**
+         * Called when a class is constructed that has the possibility to emit an asynchronous event.
+         * @param asyncId a unique ID for the async resource
+         * @param type the type of the async resource
+         * @param triggerAsyncId the unique ID of the async resource in whose execution context this async resource was created
+         * @param resource reference to the resource representing the async operation, needs to be released during destroy
+         */
+        init?(asyncId: number, type: string, triggerAsyncId: number, resource: object): void;
+        /**
+         * When an asynchronous operation is initiated or completes a callback is called to notify the user.
+         * The before callback is called just before said callback is executed.
+         * @param asyncId the unique identifier assigned to the resource about to execute the callback.
+         */
+        before?(asyncId: number): void;
+        /**
+         * Called immediately after the callback specified in before is completed.
+         * @param asyncId the unique identifier assigned to the resource which has executed the callback.
+         */
+        after?(asyncId: number): void;
+        /**
+         * Called when a promise has resolve() called. This may not be in the same execution id
+         * as the promise itself.
+         * @param asyncId the unique id for the promise that was resolve()d.
+         */
+        promiseResolve?(asyncId: number): void;
+        /**
+         * Called after the resource corresponding to asyncId is destroyed
+         * @param asyncId a unique ID for the async resource
+         */
+        destroy?(asyncId: number): void;
+    }
+    interface AsyncHook {
+        /**
+         * Enable the callbacks for a given AsyncHook instance. If no callbacks are provided enabling is a noop.
+         */
+        enable(): this;
+        /**
+         * Disable the callbacks for a given AsyncHook instance from the global pool of AsyncHook callbacks to be executed. Once a hook has been disabled it will not be called again until enabled.
+         */
+        disable(): this;
+    }
+    /**
+     * Registers functions to be called for different lifetime events of each async
+     * operation.
+     *
+     * The callbacks `init()`/`before()`/`after()`/`destroy()` are called for the
+     * respective asynchronous event during a resource's lifetime.
+     *
+     * All callbacks are optional. For example, if only resource cleanup needs to
+     * be tracked, then only the `destroy` callback needs to be passed. The
+     * specifics of all functions that can be passed to `callbacks` is in the `Hook Callbacks` section.
+     *
+     * ```js
+     * import { createHook } from 'async_hooks';
+     *
+     * const asyncHook = createHook({
+     *   init(asyncId, type, triggerAsyncId, resource) { },
+     *   destroy(asyncId) { }
+     * });
+     * ```
+     *
+     * The callbacks will be inherited via the prototype chain:
+     *
+     * ```js
+     * class MyAsyncCallbacks {
+     *   init(asyncId, type, triggerAsyncId, resource) { }
+     *   destroy(asyncId) {}
+     * }
+     *
+     * class MyAddedCallbacks extends MyAsyncCallbacks {
+     *   before(asyncId) { }
+     *   after(asyncId) { }
+     * }
+     *
+     * const asyncHook = async_hooks.createHook(new MyAddedCallbacks());
+     * ```
+     *
+     * Because promises are asynchronous resources whose lifecycle is tracked
+     * via the async hooks mechanism, the `init()`, `before()`, `after()`, and`destroy()` callbacks _must not_ be async functions that return promises.
+     * @since v8.1.0
+     * @param callbacks The `Hook Callbacks` to register
+     * @return Instance used for disabling and enabling hooks
+     */
+    function createHook(callbacks: HookCallbacks): AsyncHook;
+    interface AsyncResourceOptions {
+        /**
+         * The ID of the execution context that created this async event.
+         * @default executionAsyncId()
+         */
+        triggerAsyncId?: number | undefined;
+        /**
+         * Disables automatic `emitDestroy` when the object is garbage collected.
+         * This usually does not need to be set (even if `emitDestroy` is called
+         * manually), unless the resource's `asyncId` is retrieved and the
+         * sensitive API's `emitDestroy` is called with it.
+         * @default false
+         */
+        requireManualDestroy?: boolean | undefined;
+    }
+    /**
+     * The class `AsyncResource` is designed to be extended by the embedder's async
+     * resources. Using this, users can easily trigger the lifetime events of their
+     * own resources.
+     *
+     * The `init` hook will trigger when an `AsyncResource` is instantiated.
+     *
+     * The following is an overview of the `AsyncResource` API.
+     *
+     * ```js
+     * import { AsyncResource, executionAsyncId } from 'async_hooks';
+     *
+     * // AsyncResource() is meant to be extended. Instantiating a
+     * // new AsyncResource() also triggers init. If triggerAsyncId is omitted then
+     * // async_hook.executionAsyncId() is used.
+     * const asyncResource = new AsyncResource(
+     *   type, { triggerAsyncId: executionAsyncId(), requireManualDestroy: false }
+     * );
+     *
+     * // Run a function in the execution context of the resource. This will
+     * // * establish the context of the resource
+     * // * trigger the AsyncHooks before callbacks
+     * // * call the provided function `fn` with the supplied arguments
+     * // * trigger the AsyncHooks after callbacks
+     * // * restore the original execution context
+     * asyncResource.runInAsyncScope(fn, thisArg, ...args);
+     *
+     * // Call AsyncHooks destroy callbacks.
+     * asyncResource.emitDestroy();
+     *
+     * // Return the unique ID assigned to the AsyncResource instance.
+     * asyncResource.asyncId();
+     *
+     * // Return the trigger ID for the AsyncResource instance.
+     * asyncResource.triggerAsyncId();
+     * ```
+     */
+    class AsyncResource {
+        /**
+         * AsyncResource() is meant to be extended. Instantiating a
+         * new AsyncResource() also triggers init. If triggerAsyncId is omitted then
+         * async_hook.executionAsyncId() is used.
+         * @param type The type of async event.
+         * @param triggerAsyncId The ID of the execution context that created
+         *   this async event (default: `executionAsyncId()`), or an
+         *   AsyncResourceOptions object (since v9.3.0)
+         */
+        constructor(type: string, triggerAsyncId?: number | AsyncResourceOptions);
+        /**
+         * Binds the given function to the current execution context.
+         *
+         * The returned function will have an `asyncResource` property referencing
+         * the `AsyncResource` to which the function is bound.
+         * @since v14.8.0, v12.19.0
+         * @param fn The function to bind to the current execution context.
+         * @param type An optional name to associate with the underlying `AsyncResource`.
+         */
+        static bind<Func extends (this: ThisArg, ...args: any[]) => any, ThisArg>(
+            fn: Func,
+            type?: string,
+            thisArg?: ThisArg
+        ): Func & {
+            asyncResource: AsyncResource;
+        };
+        /**
+         * Binds the given function to execute to this `AsyncResource`'s scope.
+         *
+         * The returned function will have an `asyncResource` property referencing
+         * the `AsyncResource` to which the function is bound.
+         * @since v14.8.0, v12.19.0
+         * @param fn The function to bind to the current `AsyncResource`.
+         */
+        bind<Func extends (...args: any[]) => any>(
+            fn: Func
+        ): Func & {
+            asyncResource: AsyncResource;
+        };
+        /**
+         * Call the provided function with the provided arguments in the execution context
+         * of the async resource. This will establish the context, trigger the AsyncHooks
+         * before callbacks, call the function, trigger the AsyncHooks after callbacks, and
+         * then restore the original execution context.
+         * @since v9.6.0
+         * @param fn The function to call in the execution context of this async resource.
+         * @param thisArg The receiver to be used for the function call.
+         * @param args Optional arguments to pass to the function.
+         */
+        runInAsyncScope<This, Result>(fn: (this: This, ...args: any[]) => Result, thisArg?: This, ...args: any[]): Result;
+        /**
+         * Call all `destroy` hooks. This should only ever be called once. An error will
+         * be thrown if it is called more than once. This **must** be manually called. If
+         * the resource is left to be collected by the GC then the `destroy` hooks will
+         * never be called.
+         * @return A reference to `asyncResource`.
+         */
+        emitDestroy(): this;
+        /**
+         * @return The unique `asyncId` assigned to the resource.
+         */
+        asyncId(): number;
+        /**
+         *
+         * @return The same `triggerAsyncId` that is passed to the `AsyncResource` constructor.
+         */
+        triggerAsyncId(): number;
+    }
+    /**
+     * This class creates stores that stay coherent through asynchronous operations.
+     *
+     * While you can create your own implementation on top of the `async_hooks` module,`AsyncLocalStorage` should be preferred as it is a performant and memory safe
+     * implementation that involves significant optimizations that are non-obvious to
+     * implement.
+     *
+     * The following example uses `AsyncLocalStorage` to build a simple logger
+     * that assigns IDs to incoming HTTP requests and includes them in messages
+     * logged within each request.
+     *
+     * ```js
+     * import http from 'http';
+     * import { AsyncLocalStorage } from 'async_hooks';
+     *
+     * const asyncLocalStorage = new AsyncLocalStorage();
+     *
+     * function logWithId(msg) {
+     *   const id = asyncLocalStorage.getStore();
+     *   console.log(`${id !== undefined ? id : '-'}:`, msg);
+     * }
+     *
+     * let idSeq = 0;
+     * http.createServer((req, res) => {
+     *   asyncLocalStorage.run(idSeq++, () => {
+     *     logWithId('start');
+     *     // Imagine any chain of async operations here
+     *     setImmediate(() => {
+     *       logWithId('finish');
+     *       res.end();
+     *     });
+     *   });
+     * }).listen(8080);
+     *
+     * http.get('http://localhost:8080');
+     * http.get('http://localhost:8080');
+     * // Prints:
+     * //   0: start
+     * //   1: start
+     * //   0: finish
+     * //   1: finish
+     * ```
+     *
+     * Each instance of `AsyncLocalStorage` maintains an independent storage context.
+     * Multiple instances can safely exist simultaneously without risk of interfering
+     * with each other's data.
+     * @since v13.10.0, v12.17.0
+     */
+    class AsyncLocalStorage<T> {
+        /**
+         * Disables the instance of `AsyncLocalStorage`. All subsequent calls
+         * to `asyncLocalStorage.getStore()` will return `undefined` until`asyncLocalStorage.run()` or `asyncLocalStorage.enterWith()` is called again.
+         *
+         * When calling `asyncLocalStorage.disable()`, all current contexts linked to the
+         * instance will be exited.
+         *
+         * Calling `asyncLocalStorage.disable()` is required before the`asyncLocalStorage` can be garbage collected. This does not apply to stores
+         * provided by the `asyncLocalStorage`, as those objects are garbage collected
+         * along with the corresponding async resources.
+         *
+         * Use this method when the `asyncLocalStorage` is not in use anymore
+         * in the current process.
+         * @since v13.10.0, v12.17.0
+         * @experimental
+         */
+        disable(): void;
+        /**
+         * Returns the current store.
+         * If called outside of an asynchronous context initialized by
+         * calling `asyncLocalStorage.run()` or `asyncLocalStorage.enterWith()`, it
+         * returns `undefined`.
+         * @since v13.10.0, v12.17.0
+         */
+        getStore(): T | undefined;
+        /**
+         * Runs a function synchronously within a context and returns its
+         * return value. The store is not accessible outside of the callback function.
+         * The store is accessible to any asynchronous operations created within the
+         * callback.
+         *
+         * The optional `args` are passed to the callback function.
+         *
+         * If the callback function throws an error, the error is thrown by `run()` too.
+         * The stacktrace is not impacted by this call and the context is exited.
+         *
+         * Example:
+         *
+         * ```js
+         * const store = { id: 2 };
+         * try {
+         *   asyncLocalStorage.run(store, () => {
+         *     asyncLocalStorage.getStore(); // Returns the store object
+         *     setTimeout(() => {
+         *       asyncLocalStorage.getStore(); // Returns the store object
+         *     }, 200);
+         *     throw new Error();
+         *   });
+         * } catch (e) {
+         *   asyncLocalStorage.getStore(); // Returns undefined
+         *   // The error will be caught here
+         * }
+         * ```
+         * @since v13.10.0, v12.17.0
+         */
+        run<R, TArgs extends any[]>(store: T, callback: (...args: TArgs) => R, ...args: TArgs): R;
+        /**
+         * Runs a function synchronously outside of a context and returns its
+         * return value. The store is not accessible within the callback function or
+         * the asynchronous operations created within the callback. Any `getStore()`call done within the callback function will always return `undefined`.
+         *
+         * The optional `args` are passed to the callback function.
+         *
+         * If the callback function throws an error, the error is thrown by `exit()` too.
+         * The stacktrace is not impacted by this call and the context is re-entered.
+         *
+         * Example:
+         *
+         * ```js
+         * // Within a call to run
+         * try {
+         *   asyncLocalStorage.getStore(); // Returns the store object or value
+         *   asyncLocalStorage.exit(() => {
+         *     asyncLocalStorage.getStore(); // Returns undefined
+         *     throw new Error();
+         *   });
+         * } catch (e) {
+         *   asyncLocalStorage.getStore(); // Returns the same object or value
+         *   // The error will be caught here
+         * }
+         * ```
+         * @since v13.10.0, v12.17.0
+         * @experimental
+         */
+        exit<R, TArgs extends any[]>(callback: (...args: TArgs) => R, ...args: TArgs): R;
+        /**
+         * Transitions into the context for the remainder of the current
+         * synchronous execution and then persists the store through any following
+         * asynchronous calls.
+         *
+         * Example:
+         *
+         * ```js
+         * const store = { id: 1 };
+         * // Replaces previous store with the given store object
+         * asyncLocalStorage.enterWith(store);
+         * asyncLocalStorage.getStore(); // Returns the store object
+         * someAsyncOperation(() => {
+         *   asyncLocalStorage.getStore(); // Returns the same object
+         * });
+         * ```
+         *
+         * This transition will continue for the _entire_ synchronous execution.
+         * This means that if, for example, the context is entered within an event
+         * handler subsequent event handlers will also run within that context unless
+         * specifically bound to another context with an `AsyncResource`. That is why`run()` should be preferred over `enterWith()` unless there are strong reasons
+         * to use the latter method.
+         *
+         * ```js
+         * const store = { id: 1 };
+         *
+         * emitter.on('my-event', () => {
+         *   asyncLocalStorage.enterWith(store);
+         * });
+         * emitter.on('my-event', () => {
+         *   asyncLocalStorage.getStore(); // Returns the same object
+         * });
+         *
+         * asyncLocalStorage.getStore(); // Returns undefined
+         * emitter.emit('my-event');
+         * asyncLocalStorage.getStore(); // Returns the same object
+         * ```
+         * @since v13.11.0, v12.17.0
+         * @experimental
+         */
+        enterWith(store: T): void;
+    }
+}
+declare module 'node:async_hooks' {
+    export * from 'async_hooks';
+}
diff --git a/node_modules/@types/node/ts4.8/buffer.d.ts b/node_modules/@types/node/ts4.8/buffer.d.ts
new file mode 100644
index 000000000..13ab33546
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/buffer.d.ts
@@ -0,0 +1,2238 @@
+/**
+ * `Buffer` objects are used to represent a fixed-length sequence of bytes. Many
+ * Node.js APIs support `Buffer`s.
+ *
+ * The `Buffer` class is a subclass of JavaScript's [`Uint8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array) class and
+ * extends it with methods that cover additional use cases. Node.js APIs accept
+ * plain [`Uint8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array) s wherever `Buffer`s are supported as well.
+ *
+ * While the `Buffer` class is available within the global scope, it is still
+ * recommended to explicitly reference it via an import or require statement.
+ *
+ * ```js
+ * import { Buffer } from 'buffer';
+ *
+ * // Creates a zero-filled Buffer of length 10.
+ * const buf1 = Buffer.alloc(10);
+ *
+ * // Creates a Buffer of length 10,
+ * // filled with bytes which all have the value `1`.
+ * const buf2 = Buffer.alloc(10, 1);
+ *
+ * // Creates an uninitialized buffer of length 10.
+ * // This is faster than calling Buffer.alloc() but the returned
+ * // Buffer instance might contain old data that needs to be
+ * // overwritten using fill(), write(), or other functions that fill the Buffer's
+ * // contents.
+ * const buf3 = Buffer.allocUnsafe(10);
+ *
+ * // Creates a Buffer containing the bytes [1, 2, 3].
+ * const buf4 = Buffer.from([1, 2, 3]);
+ *
+ * // Creates a Buffer containing the bytes [1, 1, 1, 1] – the entries
+ * // are all truncated using `(value &#x26; 255)` to fit into the range 0–255.
+ * const buf5 = Buffer.from([257, 257.5, -255, '1']);
+ *
+ * // Creates a Buffer containing the UTF-8-encoded bytes for the string 'tést':
+ * // [0x74, 0xc3, 0xa9, 0x73, 0x74] (in hexadecimal notation)
+ * // [116, 195, 169, 115, 116] (in decimal notation)
+ * const buf6 = Buffer.from('tést');
+ *
+ * // Creates a Buffer containing the Latin-1 bytes [0x74, 0xe9, 0x73, 0x74].
+ * const buf7 = Buffer.from('tést', 'latin1');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/buffer.js)
+ */
+declare module 'buffer' {
+    import { BinaryLike } from 'node:crypto';
+    export const INSPECT_MAX_BYTES: number;
+    export const kMaxLength: number;
+    export const kStringMaxLength: number;
+    export const constants: {
+        MAX_LENGTH: number;
+        MAX_STRING_LENGTH: number;
+    };
+    export type TranscodeEncoding = 'ascii' | 'utf8' | 'utf16le' | 'ucs2' | 'latin1' | 'binary';
+    /**
+     * Re-encodes the given `Buffer` or `Uint8Array` instance from one character
+     * encoding to another. Returns a new `Buffer` instance.
+     *
+     * Throws if the `fromEnc` or `toEnc` specify invalid character encodings or if
+     * conversion from `fromEnc` to `toEnc` is not permitted.
+     *
+     * Encodings supported by `buffer.transcode()` are: `'ascii'`, `'utf8'`,`'utf16le'`, `'ucs2'`, `'latin1'`, and `'binary'`.
+     *
+     * The transcoding process will use substitution characters if a given byte
+     * sequence cannot be adequately represented in the target encoding. For instance:
+     *
+     * ```js
+     * import { Buffer, transcode } from 'buffer';
+     *
+     * const newBuf = transcode(Buffer.from('€'), 'utf8', 'ascii');
+     * console.log(newBuf.toString('ascii'));
+     * // Prints: '?'
+     * ```
+     *
+     * Because the Euro (`€`) sign is not representable in US-ASCII, it is replaced
+     * with `?` in the transcoded `Buffer`.
+     * @since v7.1.0
+     * @param source A `Buffer` or `Uint8Array` instance.
+     * @param fromEnc The current encoding.
+     * @param toEnc To target encoding.
+     */
+    export function transcode(source: Uint8Array, fromEnc: TranscodeEncoding, toEnc: TranscodeEncoding): Buffer;
+    export const SlowBuffer: {
+        /** @deprecated since v6.0.0, use `Buffer.allocUnsafeSlow()` */
+        new (size: number): Buffer;
+        prototype: Buffer;
+    };
+    /**
+     * Resolves a `'blob:nodedata:...'` an associated `Blob` object registered using
+     * a prior call to `URL.createObjectURL()`.
+     * @since v16.7.0
+     * @experimental
+     * @param id A `'blob:nodedata:...` URL string returned by a prior call to `URL.createObjectURL()`.
+     */
+    export function resolveObjectURL(id: string): Blob | undefined;
+    export { Buffer };
+    /**
+     * @experimental
+     */
+    export interface BlobOptions {
+        /**
+         * @default 'utf8'
+         */
+        encoding?: BufferEncoding | undefined;
+        /**
+         * The Blob content-type. The intent is for `type` to convey
+         * the MIME media type of the data, however no validation of the type format
+         * is performed.
+         */
+        type?: string | undefined;
+    }
+    /**
+     * A [`Blob`](https://developer.mozilla.org/en-US/docs/Web/API/Blob) encapsulates immutable, raw data that can be safely shared across
+     * multiple worker threads.
+     * @since v15.7.0, v14.18.0
+     */
+    export class Blob {
+        /**
+         * The total size of the `Blob` in bytes.
+         * @since v15.7.0, v14.18.0
+         */
+        readonly size: number;
+        /**
+         * The content-type of the `Blob`.
+         * @since v15.7.0, v14.18.0
+         */
+        readonly type: string;
+        /**
+         * Creates a new `Blob` object containing a concatenation of the given sources.
+         *
+         * {ArrayBuffer}, {TypedArray}, {DataView}, and {Buffer} sources are copied into
+         * the 'Blob' and can therefore be safely modified after the 'Blob' is created.
+         *
+         * String sources are also copied into the `Blob`.
+         */
+        constructor(sources: Array<BinaryLike | Blob>, options?: BlobOptions);
+        /**
+         * Returns a promise that fulfills with an [ArrayBuffer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer) containing a copy of
+         * the `Blob` data.
+         * @since v15.7.0, v14.18.0
+         */
+        arrayBuffer(): Promise<ArrayBuffer>;
+        /**
+         * Creates and returns a new `Blob` containing a subset of this `Blob` objects
+         * data. The original `Blob` is not altered.
+         * @since v15.7.0, v14.18.0
+         * @param start The starting index.
+         * @param end The ending index.
+         * @param type The content-type for the new `Blob`
+         */
+        slice(start?: number, end?: number, type?: string): Blob;
+        /**
+         * Returns a promise that fulfills with the contents of the `Blob` decoded as a
+         * UTF-8 string.
+         * @since v15.7.0, v14.18.0
+         */
+        text(): Promise<string>;
+        /**
+         * Returns a new `ReadableStream` that allows the content of the `Blob` to be read.
+         * @since v16.7.0
+         */
+        stream(): unknown; // pending web streams types
+    }
+    export import atob = globalThis.atob;
+    export import btoa = globalThis.btoa;
+    global {
+        // Buffer class
+        type BufferEncoding = 'ascii' | 'utf8' | 'utf-8' | 'utf16le' | 'ucs2' | 'ucs-2' | 'base64' | 'base64url' | 'latin1' | 'binary' | 'hex';
+        type WithImplicitCoercion<T> =
+            | T
+            | {
+                  valueOf(): T;
+              };
+        /**
+         * Raw data is stored in instances of the Buffer class.
+         * A Buffer is similar to an array of integers but corresponds to a raw memory allocation outside the V8 heap.  A Buffer cannot be resized.
+         * Valid string encodings: 'ascii'|'utf8'|'utf16le'|'ucs2'(alias of 'utf16le')|'base64'|'base64url'|'binary'(deprecated)|'hex'
+         */
+        interface BufferConstructor {
+            /**
+             * Allocates a new buffer containing the given {str}.
+             *
+             * @param str String to store in buffer.
+             * @param encoding encoding to use, optional.  Default is 'utf8'
+             * @deprecated since v10.0.0 - Use `Buffer.from(string[, encoding])` instead.
+             */
+            new (str: string, encoding?: BufferEncoding): Buffer;
+            /**
+             * Allocates a new buffer of {size} octets.
+             *
+             * @param size count of octets to allocate.
+             * @deprecated since v10.0.0 - Use `Buffer.alloc()` instead (also see `Buffer.allocUnsafe()`).
+             */
+            new (size: number): Buffer;
+            /**
+             * Allocates a new buffer containing the given {array} of octets.
+             *
+             * @param array The octets to store.
+             * @deprecated since v10.0.0 - Use `Buffer.from(array)` instead.
+             */
+            new (array: Uint8Array): Buffer;
+            /**
+             * Produces a Buffer backed by the same allocated memory as
+             * the given {ArrayBuffer}/{SharedArrayBuffer}.
+             *
+             *
+             * @param arrayBuffer The ArrayBuffer with which to share memory.
+             * @deprecated since v10.0.0 - Use `Buffer.from(arrayBuffer[, byteOffset[, length]])` instead.
+             */
+            new (arrayBuffer: ArrayBuffer | SharedArrayBuffer): Buffer;
+            /**
+             * Allocates a new buffer containing the given {array} of octets.
+             *
+             * @param array The octets to store.
+             * @deprecated since v10.0.0 - Use `Buffer.from(array)` instead.
+             */
+            new (array: ReadonlyArray<any>): Buffer;
+            /**
+             * Copies the passed {buffer} data onto a new {Buffer} instance.
+             *
+             * @param buffer The buffer to copy.
+             * @deprecated since v10.0.0 - Use `Buffer.from(buffer)` instead.
+             */
+            new (buffer: Buffer): Buffer;
+            /**
+             * Allocates a new `Buffer` using an `array` of bytes in the range `0` – `255`.
+             * Array entries outside that range will be truncated to fit into it.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Creates a new Buffer containing the UTF-8 bytes of the string 'buffer'.
+             * const buf = Buffer.from([0x62, 0x75, 0x66, 0x66, 0x65, 0x72]);
+             * ```
+             *
+             * A `TypeError` will be thrown if `array` is not an `Array` or another type
+             * appropriate for `Buffer.from()` variants.
+             *
+             * `Buffer.from(array)` and `Buffer.from(string)` may also use the internal`Buffer` pool like `Buffer.allocUnsafe()` does.
+             * @since v5.10.0
+             */
+            from(arrayBuffer: WithImplicitCoercion<ArrayBuffer | SharedArrayBuffer>, byteOffset?: number, length?: number): Buffer;
+            /**
+             * Creates a new Buffer using the passed {data}
+             * @param data data to create a new Buffer
+             */
+            from(data: Uint8Array | ReadonlyArray<number>): Buffer;
+            from(data: WithImplicitCoercion<Uint8Array | ReadonlyArray<number> | string>): Buffer;
+            /**
+             * Creates a new Buffer containing the given JavaScript string {str}.
+             * If provided, the {encoding} parameter identifies the character encoding.
+             * If not provided, {encoding} defaults to 'utf8'.
+             */
+            from(
+                str:
+                    | WithImplicitCoercion<string>
+                    | {
+                          [Symbol.toPrimitive](hint: 'string'): string;
+                      },
+                encoding?: BufferEncoding
+            ): Buffer;
+            /**
+             * Creates a new Buffer using the passed {data}
+             * @param values to create a new Buffer
+             */
+            of(...items: number[]): Buffer;
+            /**
+             * Returns `true` if `obj` is a `Buffer`, `false` otherwise.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * Buffer.isBuffer(Buffer.alloc(10)); // true
+             * Buffer.isBuffer(Buffer.from('foo')); // true
+             * Buffer.isBuffer('a string'); // false
+             * Buffer.isBuffer([]); // false
+             * Buffer.isBuffer(new Uint8Array(1024)); // false
+             * ```
+             * @since v0.1.101
+             */
+            isBuffer(obj: any): obj is Buffer;
+            /**
+             * Returns `true` if `encoding` is the name of a supported character encoding,
+             * or `false` otherwise.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * console.log(Buffer.isEncoding('utf8'));
+             * // Prints: true
+             *
+             * console.log(Buffer.isEncoding('hex'));
+             * // Prints: true
+             *
+             * console.log(Buffer.isEncoding('utf/8'));
+             * // Prints: false
+             *
+             * console.log(Buffer.isEncoding(''));
+             * // Prints: false
+             * ```
+             * @since v0.9.1
+             * @param encoding A character encoding name to check.
+             */
+            isEncoding(encoding: string): encoding is BufferEncoding;
+            /**
+             * Returns the byte length of a string when encoded using `encoding`.
+             * This is not the same as [`String.prototype.length`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/length), which does not account
+             * for the encoding that is used to convert the string into bytes.
+             *
+             * For `'base64'`, `'base64url'`, and `'hex'`, this function assumes valid input.
+             * For strings that contain non-base64/hex-encoded data (e.g. whitespace), the
+             * return value might be greater than the length of a `Buffer` created from the
+             * string.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const str = '\u00bd + \u00bc = \u00be';
+             *
+             * console.log(`${str}: ${str.length} characters, ` +
+             *             `${Buffer.byteLength(str, 'utf8')} bytes`);
+             * // Prints: ½ + ¼ = ¾: 9 characters, 12 bytes
+             * ```
+             *
+             * When `string` is a
+             * `Buffer`/[`DataView`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView)/[`TypedArray`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/-
+             * Reference/Global_Objects/TypedArray)/[`ArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer)/[`SharedArrayBuffer`](https://develop-
+             * er.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer), the byte length as reported by `.byteLength`is returned.
+             * @since v0.1.90
+             * @param string A value to calculate the length of.
+             * @param [encoding='utf8'] If `string` is a string, this is its encoding.
+             * @return The number of bytes contained within `string`.
+             */
+            byteLength(string: string | NodeJS.ArrayBufferView | ArrayBuffer | SharedArrayBuffer, encoding?: BufferEncoding): number;
+            /**
+             * Returns a new `Buffer` which is the result of concatenating all the `Buffer`instances in the `list` together.
+             *
+             * If the list has no items, or if the `totalLength` is 0, then a new zero-length`Buffer` is returned.
+             *
+             * If `totalLength` is not provided, it is calculated from the `Buffer` instances
+             * in `list` by adding their lengths.
+             *
+             * If `totalLength` is provided, it is coerced to an unsigned integer. If the
+             * combined length of the `Buffer`s in `list` exceeds `totalLength`, the result is
+             * truncated to `totalLength`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Create a single `Buffer` from a list of three `Buffer` instances.
+             *
+             * const buf1 = Buffer.alloc(10);
+             * const buf2 = Buffer.alloc(14);
+             * const buf3 = Buffer.alloc(18);
+             * const totalLength = buf1.length + buf2.length + buf3.length;
+             *
+             * console.log(totalLength);
+             * // Prints: 42
+             *
+             * const bufA = Buffer.concat([buf1, buf2, buf3], totalLength);
+             *
+             * console.log(bufA);
+             * // Prints: <Buffer 00 00 00 00 ...>
+             * console.log(bufA.length);
+             * // Prints: 42
+             * ```
+             *
+             * `Buffer.concat()` may also use the internal `Buffer` pool like `Buffer.allocUnsafe()` does.
+             * @since v0.7.11
+             * @param list List of `Buffer` or {@link Uint8Array} instances to concatenate.
+             * @param totalLength Total length of the `Buffer` instances in `list` when concatenated.
+             */
+            concat(list: ReadonlyArray<Uint8Array>, totalLength?: number): Buffer;
+            /**
+             * Compares `buf1` to `buf2`, typically for the purpose of sorting arrays of`Buffer` instances. This is equivalent to calling `buf1.compare(buf2)`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from('1234');
+             * const buf2 = Buffer.from('0123');
+             * const arr = [buf1, buf2];
+             *
+             * console.log(arr.sort(Buffer.compare));
+             * // Prints: [ <Buffer 30 31 32 33>, <Buffer 31 32 33 34> ]
+             * // (This result is equal to: [buf2, buf1].)
+             * ```
+             * @since v0.11.13
+             * @return Either `-1`, `0`, or `1`, depending on the result of the comparison. See `compare` for details.
+             */
+            compare(buf1: Uint8Array, buf2: Uint8Array): -1 | 0 | 1;
+            /**
+             * Allocates a new `Buffer` of `size` bytes. If `fill` is `undefined`, the`Buffer` will be zero-filled.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.alloc(5);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 00 00 00 00 00>
+             * ```
+             *
+             * If `size` is larger than {@link constants.MAX_LENGTH} or smaller than 0, `ERR_INVALID_ARG_VALUE` is thrown.
+             *
+             * If `fill` is specified, the allocated `Buffer` will be initialized by calling `buf.fill(fill)`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.alloc(5, 'a');
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 61 61 61 61 61>
+             * ```
+             *
+             * If both `fill` and `encoding` are specified, the allocated `Buffer` will be
+             * initialized by calling `buf.fill(fill, encoding)`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.alloc(11, 'aGVsbG8gd29ybGQ=', 'base64');
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64>
+             * ```
+             *
+             * Calling `Buffer.alloc()` can be measurably slower than the alternative `Buffer.allocUnsafe()` but ensures that the newly created `Buffer` instance
+             * contents will never contain sensitive data from previous allocations, including
+             * data that might not have been allocated for `Buffer`s.
+             *
+             * A `TypeError` will be thrown if `size` is not a number.
+             * @since v5.10.0
+             * @param size The desired length of the new `Buffer`.
+             * @param [fill=0] A value to pre-fill the new `Buffer` with.
+             * @param [encoding='utf8'] If `fill` is a string, this is its encoding.
+             */
+            alloc(size: number, fill?: string | Buffer | number, encoding?: BufferEncoding): Buffer;
+            /**
+             * Allocates a new `Buffer` of `size` bytes. If `size` is larger than {@link constants.MAX_LENGTH} or smaller than 0, `ERR_INVALID_ARG_VALUE` is thrown.
+             *
+             * The underlying memory for `Buffer` instances created in this way is _not_
+             * _initialized_. The contents of the newly created `Buffer` are unknown and _may contain sensitive data_. Use `Buffer.alloc()` instead to initialize`Buffer` instances with zeroes.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(10);
+             *
+             * console.log(buf);
+             * // Prints (contents may vary): <Buffer a0 8b 28 3f 01 00 00 00 50 32>
+             *
+             * buf.fill(0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 00 00 00 00 00 00 00 00 00 00>
+             * ```
+             *
+             * A `TypeError` will be thrown if `size` is not a number.
+             *
+             * The `Buffer` module pre-allocates an internal `Buffer` instance of
+             * size `Buffer.poolSize` that is used as a pool for the fast allocation of new`Buffer` instances created using `Buffer.allocUnsafe()`,`Buffer.from(array)`, `Buffer.concat()`, and the
+             * deprecated`new Buffer(size)` constructor only when `size` is less than or equal
+             * to `Buffer.poolSize >> 1` (floor of `Buffer.poolSize` divided by two).
+             *
+             * Use of this pre-allocated internal memory pool is a key difference between
+             * calling `Buffer.alloc(size, fill)` vs. `Buffer.allocUnsafe(size).fill(fill)`.
+             * Specifically, `Buffer.alloc(size, fill)` will _never_ use the internal `Buffer`pool, while `Buffer.allocUnsafe(size).fill(fill)`_will_ use the internal`Buffer` pool if `size` is less
+             * than or equal to half `Buffer.poolSize`. The
+             * difference is subtle but can be important when an application requires the
+             * additional performance that `Buffer.allocUnsafe()` provides.
+             * @since v5.10.0
+             * @param size The desired length of the new `Buffer`.
+             */
+            allocUnsafe(size: number): Buffer;
+            /**
+             * Allocates a new `Buffer` of `size` bytes. If `size` is larger than {@link constants.MAX_LENGTH} or smaller than 0, `ERR_INVALID_ARG_VALUE` is thrown. A zero-length `Buffer` is created
+             * if `size` is 0.
+             *
+             * The underlying memory for `Buffer` instances created in this way is _not_
+             * _initialized_. The contents of the newly created `Buffer` are unknown and _may contain sensitive data_. Use `buf.fill(0)` to initialize
+             * such `Buffer` instances with zeroes.
+             *
+             * When using `Buffer.allocUnsafe()` to allocate new `Buffer` instances,
+             * allocations under 4 KB are sliced from a single pre-allocated `Buffer`. This
+             * allows applications to avoid the garbage collection overhead of creating many
+             * individually allocated `Buffer` instances. This approach improves both
+             * performance and memory usage by eliminating the need to track and clean up as
+             * many individual `ArrayBuffer` objects.
+             *
+             * However, in the case where a developer may need to retain a small chunk of
+             * memory from a pool for an indeterminate amount of time, it may be appropriate
+             * to create an un-pooled `Buffer` instance using `Buffer.allocUnsafeSlow()` and
+             * then copying out the relevant bits.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Need to keep around a few small chunks of memory.
+             * const store = [];
+             *
+             * socket.on('readable', () => {
+             *   let data;
+             *   while (null !== (data = readable.read())) {
+             *     // Allocate for retained data.
+             *     const sb = Buffer.allocUnsafeSlow(10);
+             *
+             *     // Copy the data into the new allocation.
+             *     data.copy(sb, 0, 0, 10);
+             *
+             *     store.push(sb);
+             *   }
+             * });
+             * ```
+             *
+             * A `TypeError` will be thrown if `size` is not a number.
+             * @since v5.12.0
+             * @param size The desired length of the new `Buffer`.
+             */
+            allocUnsafeSlow(size: number): Buffer;
+            /**
+             * This is the size (in bytes) of pre-allocated internal `Buffer` instances used
+             * for pooling. This value may be modified.
+             * @since v0.11.3
+             */
+            poolSize: number;
+        }
+        interface Buffer extends Uint8Array {
+            /**
+             * Writes `string` to `buf` at `offset` according to the character encoding in`encoding`. The `length` parameter is the number of bytes to write. If `buf` did
+             * not contain enough space to fit the entire string, only part of `string` will be
+             * written. However, partially encoded characters will not be written.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.alloc(256);
+             *
+             * const len = buf.write('\u00bd + \u00bc = \u00be', 0);
+             *
+             * console.log(`${len} bytes: ${buf.toString('utf8', 0, len)}`);
+             * // Prints: 12 bytes: ½ + ¼ = ¾
+             *
+             * const buffer = Buffer.alloc(10);
+             *
+             * const length = buffer.write('abcd', 8);
+             *
+             * console.log(`${length} bytes: ${buffer.toString('utf8', 8, 10)}`);
+             * // Prints: 2 bytes : ab
+             * ```
+             * @since v0.1.90
+             * @param string String to write to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write `string`.
+             * @param [length=buf.length - offset] Maximum number of bytes to write (written bytes will not exceed `buf.length - offset`).
+             * @param [encoding='utf8'] The character encoding of `string`.
+             * @return Number of bytes written.
+             */
+            write(string: string, encoding?: BufferEncoding): number;
+            write(string: string, offset: number, encoding?: BufferEncoding): number;
+            write(string: string, offset: number, length: number, encoding?: BufferEncoding): number;
+            /**
+             * Decodes `buf` to a string according to the specified character encoding in`encoding`. `start` and `end` may be passed to decode only a subset of `buf`.
+             *
+             * If `encoding` is `'utf8'` and a byte sequence in the input is not valid UTF-8,
+             * then each invalid byte is replaced with the replacement character `U+FFFD`.
+             *
+             * The maximum length of a string instance (in UTF-16 code units) is available
+             * as {@link constants.MAX_STRING_LENGTH}.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.allocUnsafe(26);
+             *
+             * for (let i = 0; i < 26; i++) {
+             *   // 97 is the decimal ASCII value for 'a'.
+             *   buf1[i] = i + 97;
+             * }
+             *
+             * console.log(buf1.toString('utf8'));
+             * // Prints: abcdefghijklmnopqrstuvwxyz
+             * console.log(buf1.toString('utf8', 0, 5));
+             * // Prints: abcde
+             *
+             * const buf2 = Buffer.from('tést');
+             *
+             * console.log(buf2.toString('hex'));
+             * // Prints: 74c3a97374
+             * console.log(buf2.toString('utf8', 0, 3));
+             * // Prints: té
+             * console.log(buf2.toString(undefined, 0, 3));
+             * // Prints: té
+             * ```
+             * @since v0.1.90
+             * @param [encoding='utf8'] The character encoding to use.
+             * @param [start=0] The byte offset to start decoding at.
+             * @param [end=buf.length] The byte offset to stop decoding at (not inclusive).
+             */
+            toString(encoding?: BufferEncoding, start?: number, end?: number): string;
+            /**
+             * Returns a JSON representation of `buf`. [`JSON.stringify()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify) implicitly calls
+             * this function when stringifying a `Buffer` instance.
+             *
+             * `Buffer.from()` accepts objects in the format returned from this method.
+             * In particular, `Buffer.from(buf.toJSON())` works like `Buffer.from(buf)`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x1, 0x2, 0x3, 0x4, 0x5]);
+             * const json = JSON.stringify(buf);
+             *
+             * console.log(json);
+             * // Prints: {"type":"Buffer","data":[1,2,3,4,5]}
+             *
+             * const copy = JSON.parse(json, (key, value) => {
+             *   return value &#x26;&#x26; value.type === 'Buffer' ?
+             *     Buffer.from(value) :
+             *     value;
+             * });
+             *
+             * console.log(copy);
+             * // Prints: <Buffer 01 02 03 04 05>
+             * ```
+             * @since v0.9.2
+             */
+            toJSON(): {
+                type: 'Buffer';
+                data: number[];
+            };
+            /**
+             * Returns `true` if both `buf` and `otherBuffer` have exactly the same bytes,`false` otherwise. Equivalent to `buf.compare(otherBuffer) === 0`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from('ABC');
+             * const buf2 = Buffer.from('414243', 'hex');
+             * const buf3 = Buffer.from('ABCD');
+             *
+             * console.log(buf1.equals(buf2));
+             * // Prints: true
+             * console.log(buf1.equals(buf3));
+             * // Prints: false
+             * ```
+             * @since v0.11.13
+             * @param otherBuffer A `Buffer` or {@link Uint8Array} with which to compare `buf`.
+             */
+            equals(otherBuffer: Uint8Array): boolean;
+            /**
+             * Compares `buf` with `target` and returns a number indicating whether `buf`comes before, after, or is the same as `target` in sort order.
+             * Comparison is based on the actual sequence of bytes in each `Buffer`.
+             *
+             * * `0` is returned if `target` is the same as `buf`
+             * * `1` is returned if `target` should come _before_`buf` when sorted.
+             * * `-1` is returned if `target` should come _after_`buf` when sorted.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from('ABC');
+             * const buf2 = Buffer.from('BCD');
+             * const buf3 = Buffer.from('ABCD');
+             *
+             * console.log(buf1.compare(buf1));
+             * // Prints: 0
+             * console.log(buf1.compare(buf2));
+             * // Prints: -1
+             * console.log(buf1.compare(buf3));
+             * // Prints: -1
+             * console.log(buf2.compare(buf1));
+             * // Prints: 1
+             * console.log(buf2.compare(buf3));
+             * // Prints: 1
+             * console.log([buf1, buf2, buf3].sort(Buffer.compare));
+             * // Prints: [ <Buffer 41 42 43>, <Buffer 41 42 43 44>, <Buffer 42 43 44> ]
+             * // (This result is equal to: [buf1, buf3, buf2].)
+             * ```
+             *
+             * The optional `targetStart`, `targetEnd`, `sourceStart`, and `sourceEnd`arguments can be used to limit the comparison to specific ranges within `target`and `buf` respectively.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8, 9]);
+             * const buf2 = Buffer.from([5, 6, 7, 8, 9, 1, 2, 3, 4]);
+             *
+             * console.log(buf1.compare(buf2, 5, 9, 0, 4));
+             * // Prints: 0
+             * console.log(buf1.compare(buf2, 0, 6, 4));
+             * // Prints: -1
+             * console.log(buf1.compare(buf2, 5, 6, 5));
+             * // Prints: 1
+             * ```
+             *
+             * `ERR_OUT_OF_RANGE` is thrown if `targetStart < 0`, `sourceStart < 0`,`targetEnd > target.byteLength`, or `sourceEnd > source.byteLength`.
+             * @since v0.11.13
+             * @param target A `Buffer` or {@link Uint8Array} with which to compare `buf`.
+             * @param [targetStart=0] The offset within `target` at which to begin comparison.
+             * @param [targetEnd=target.length] The offset within `target` at which to end comparison (not inclusive).
+             * @param [sourceStart=0] The offset within `buf` at which to begin comparison.
+             * @param [sourceEnd=buf.length] The offset within `buf` at which to end comparison (not inclusive).
+             */
+            compare(target: Uint8Array, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): -1 | 0 | 1;
+            /**
+             * Copies data from a region of `buf` to a region in `target`, even if the `target`memory region overlaps with `buf`.
+             *
+             * [`TypedArray.prototype.set()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/set) performs the same operation, and is available
+             * for all TypedArrays, including Node.js `Buffer`s, although it takes
+             * different function arguments.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Create two `Buffer` instances.
+             * const buf1 = Buffer.allocUnsafe(26);
+             * const buf2 = Buffer.allocUnsafe(26).fill('!');
+             *
+             * for (let i = 0; i < 26; i++) {
+             *   // 97 is the decimal ASCII value for 'a'.
+             *   buf1[i] = i + 97;
+             * }
+             *
+             * // Copy `buf1` bytes 16 through 19 into `buf2` starting at byte 8 of `buf2`.
+             * buf1.copy(buf2, 8, 16, 20);
+             * // This is equivalent to:
+             * // buf2.set(buf1.subarray(16, 20), 8);
+             *
+             * console.log(buf2.toString('ascii', 0, 25));
+             * // Prints: !!!!!!!!qrst!!!!!!!!!!!!!
+             * ```
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Create a `Buffer` and copy data from one region to an overlapping region
+             * // within the same `Buffer`.
+             *
+             * const buf = Buffer.allocUnsafe(26);
+             *
+             * for (let i = 0; i < 26; i++) {
+             *   // 97 is the decimal ASCII value for 'a'.
+             *   buf[i] = i + 97;
+             * }
+             *
+             * buf.copy(buf, 0, 4, 10);
+             *
+             * console.log(buf.toString());
+             * // Prints: efghijghijklmnopqrstuvwxyz
+             * ```
+             * @since v0.1.90
+             * @param target A `Buffer` or {@link Uint8Array} to copy into.
+             * @param [targetStart=0] The offset within `target` at which to begin writing.
+             * @param [sourceStart=0] The offset within `buf` from which to begin copying.
+             * @param [sourceEnd=buf.length] The offset within `buf` at which to stop copying (not inclusive).
+             * @return The number of bytes copied.
+             */
+            copy(target: Uint8Array, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
+            /**
+             * Returns a new `Buffer` that references the same memory as the original, but
+             * offset and cropped by the `start` and `end` indices.
+             *
+             * This method is not compatible with the `Uint8Array.prototype.slice()`,
+             * which is a superclass of `Buffer`. To copy the slice, use`Uint8Array.prototype.slice()`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('buffer');
+             *
+             * const copiedBuf = Uint8Array.prototype.slice.call(buf);
+             * copiedBuf[0]++;
+             * console.log(copiedBuf.toString());
+             * // Prints: cuffer
+             *
+             * console.log(buf.toString());
+             * // Prints: buffer
+             *
+             * // With buf.slice(), the original buffer is modified.
+             * const notReallyCopiedBuf = buf.slice();
+             * notReallyCopiedBuf[0]++;
+             * console.log(notReallyCopiedBuf.toString());
+             * // Prints: cuffer
+             * console.log(buf.toString());
+             * // Also prints: cuffer (!)
+             * ```
+             * @since v0.3.0
+             * @deprecated Use `subarray` instead.
+             * @param [start=0] Where the new `Buffer` will start.
+             * @param [end=buf.length] Where the new `Buffer` will end (not inclusive).
+             */
+            slice(start?: number, end?: number): Buffer;
+            /**
+             * Returns a new `Buffer` that references the same memory as the original, but
+             * offset and cropped by the `start` and `end` indices.
+             *
+             * Specifying `end` greater than `buf.length` will return the same result as
+             * that of `end` equal to `buf.length`.
+             *
+             * This method is inherited from [`TypedArray.prototype.subarray()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/subarray).
+             *
+             * Modifying the new `Buffer` slice will modify the memory in the original `Buffer`because the allocated memory of the two objects overlap.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Create a `Buffer` with the ASCII alphabet, take a slice, and modify one byte
+             * // from the original `Buffer`.
+             *
+             * const buf1 = Buffer.allocUnsafe(26);
+             *
+             * for (let i = 0; i < 26; i++) {
+             *   // 97 is the decimal ASCII value for 'a'.
+             *   buf1[i] = i + 97;
+             * }
+             *
+             * const buf2 = buf1.subarray(0, 3);
+             *
+             * console.log(buf2.toString('ascii', 0, buf2.length));
+             * // Prints: abc
+             *
+             * buf1[0] = 33;
+             *
+             * console.log(buf2.toString('ascii', 0, buf2.length));
+             * // Prints: !bc
+             * ```
+             *
+             * Specifying negative indexes causes the slice to be generated relative to the
+             * end of `buf` rather than the beginning.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('buffer');
+             *
+             * console.log(buf.subarray(-6, -1).toString());
+             * // Prints: buffe
+             * // (Equivalent to buf.subarray(0, 5).)
+             *
+             * console.log(buf.subarray(-6, -2).toString());
+             * // Prints: buff
+             * // (Equivalent to buf.subarray(0, 4).)
+             *
+             * console.log(buf.subarray(-5, -2).toString());
+             * // Prints: uff
+             * // (Equivalent to buf.subarray(1, 4).)
+             * ```
+             * @since v3.0.0
+             * @param [start=0] Where the new `Buffer` will start.
+             * @param [end=buf.length] Where the new `Buffer` will end (not inclusive).
+             */
+            subarray(start?: number, end?: number): Buffer;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian.
+             *
+             * `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(8);
+             *
+             * buf.writeBigInt64BE(0x0102030405060708n, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 01 02 03 04 05 06 07 08>
+             * ```
+             * @since v12.0.0, v10.20.0
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy: `0 <= offset <= buf.length - 8`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeBigInt64BE(value: bigint, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian.
+             *
+             * `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(8);
+             *
+             * buf.writeBigInt64LE(0x0102030405060708n, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 08 07 06 05 04 03 02 01>
+             * ```
+             * @since v12.0.0, v10.20.0
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy: `0 <= offset <= buf.length - 8`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeBigInt64LE(value: bigint, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian.
+             *
+             * This function is also available under the `writeBigUint64BE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(8);
+             *
+             * buf.writeBigUInt64BE(0xdecafafecacefaden, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer de ca fa fe ca ce fa de>
+             * ```
+             * @since v12.0.0, v10.20.0
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy: `0 <= offset <= buf.length - 8`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeBigUInt64BE(value: bigint, offset?: number): number;
+            /**
+             * @alias Buffer.writeBigUInt64BE
+             * @since v14.10.0, v12.19.0
+             */
+            writeBigUint64BE(value: bigint, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(8);
+             *
+             * buf.writeBigUInt64LE(0xdecafafecacefaden, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer de fa ce ca fe fa ca de>
+             * ```
+             *
+             * This function is also available under the `writeBigUint64LE` alias.
+             * @since v12.0.0, v10.20.0
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy: `0 <= offset <= buf.length - 8`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeBigUInt64LE(value: bigint, offset?: number): number;
+            /**
+             * @alias Buffer.writeBigUInt64LE
+             * @since v14.10.0, v12.19.0
+             */
+            writeBigUint64LE(value: bigint, offset?: number): number;
+            /**
+             * Writes `byteLength` bytes of `value` to `buf` at the specified `offset`as little-endian. Supports up to 48 bits of accuracy. Behavior is undefined
+             * when `value` is anything other than an unsigned integer.
+             *
+             * This function is also available under the `writeUintLE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(6);
+             *
+             * buf.writeUIntLE(0x1234567890ab, 0, 6);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer ab 90 78 56 34 12>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param offset Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to write. Must satisfy `0 < byteLength <= 6`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUIntLE(value: number, offset: number, byteLength: number): number;
+            /**
+             * @alias Buffer.writeUIntLE
+             * @since v14.9.0, v12.19.0
+             */
+            writeUintLE(value: number, offset: number, byteLength: number): number;
+            /**
+             * Writes `byteLength` bytes of `value` to `buf` at the specified `offset`as big-endian. Supports up to 48 bits of accuracy. Behavior is undefined
+             * when `value` is anything other than an unsigned integer.
+             *
+             * This function is also available under the `writeUintBE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(6);
+             *
+             * buf.writeUIntBE(0x1234567890ab, 0, 6);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 12 34 56 78 90 ab>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param offset Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to write. Must satisfy `0 < byteLength <= 6`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUIntBE(value: number, offset: number, byteLength: number): number;
+            /**
+             * @alias Buffer.writeUIntBE
+             * @since v14.9.0, v12.19.0
+             */
+            writeUintBE(value: number, offset: number, byteLength: number): number;
+            /**
+             * Writes `byteLength` bytes of `value` to `buf` at the specified `offset`as little-endian. Supports up to 48 bits of accuracy. Behavior is undefined
+             * when `value` is anything other than a signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(6);
+             *
+             * buf.writeIntLE(0x1234567890ab, 0, 6);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer ab 90 78 56 34 12>
+             * ```
+             * @since v0.11.15
+             * @param value Number to be written to `buf`.
+             * @param offset Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to write. Must satisfy `0 < byteLength <= 6`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeIntLE(value: number, offset: number, byteLength: number): number;
+            /**
+             * Writes `byteLength` bytes of `value` to `buf` at the specified `offset`as big-endian. Supports up to 48 bits of accuracy. Behavior is undefined when`value` is anything other than a
+             * signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(6);
+             *
+             * buf.writeIntBE(0x1234567890ab, 0, 6);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 12 34 56 78 90 ab>
+             * ```
+             * @since v0.11.15
+             * @param value Number to be written to `buf`.
+             * @param offset Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to write. Must satisfy `0 < byteLength <= 6`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeIntBE(value: number, offset: number, byteLength: number): number;
+            /**
+             * Reads an unsigned, big-endian 64-bit integer from `buf` at the specified`offset`.
+             *
+             * This function is also available under the `readBigUint64BE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff]);
+             *
+             * console.log(buf.readBigUInt64BE(0));
+             * // Prints: 4294967295n
+             * ```
+             * @since v12.0.0, v10.20.0
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy: `0 <= offset <= buf.length - 8`.
+             */
+            readBigUInt64BE(offset?: number): bigint;
+            /**
+             * @alias Buffer.readBigUInt64BE
+             * @since v14.10.0, v12.19.0
+             */
+            readBigUint64BE(offset?: number): bigint;
+            /**
+             * Reads an unsigned, little-endian 64-bit integer from `buf` at the specified`offset`.
+             *
+             * This function is also available under the `readBigUint64LE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff]);
+             *
+             * console.log(buf.readBigUInt64LE(0));
+             * // Prints: 18446744069414584320n
+             * ```
+             * @since v12.0.0, v10.20.0
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy: `0 <= offset <= buf.length - 8`.
+             */
+            readBigUInt64LE(offset?: number): bigint;
+            /**
+             * @alias Buffer.readBigUInt64LE
+             * @since v14.10.0, v12.19.0
+             */
+            readBigUint64LE(offset?: number): bigint;
+            /**
+             * Reads a signed, big-endian 64-bit integer from `buf` at the specified `offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed
+             * values.
+             * @since v12.0.0, v10.20.0
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy: `0 <= offset <= buf.length - 8`.
+             */
+            readBigInt64BE(offset?: number): bigint;
+            /**
+             * Reads a signed, little-endian 64-bit integer from `buf` at the specified`offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed
+             * values.
+             * @since v12.0.0, v10.20.0
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy: `0 <= offset <= buf.length - 8`.
+             */
+            readBigInt64LE(offset?: number): bigint;
+            /**
+             * Reads `byteLength` number of bytes from `buf` at the specified `offset`and interprets the result as an unsigned, little-endian integer supporting
+             * up to 48 bits of accuracy.
+             *
+             * This function is also available under the `readUintLE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56, 0x78, 0x90, 0xab]);
+             *
+             * console.log(buf.readUIntLE(0, 6).toString(16));
+             * // Prints: ab9078563412
+             * ```
+             * @since v0.11.15
+             * @param offset Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to read. Must satisfy `0 < byteLength <= 6`.
+             */
+            readUIntLE(offset: number, byteLength: number): number;
+            /**
+             * @alias Buffer.readUIntLE
+             * @since v14.9.0, v12.19.0
+             */
+            readUintLE(offset: number, byteLength: number): number;
+            /**
+             * Reads `byteLength` number of bytes from `buf` at the specified `offset`and interprets the result as an unsigned big-endian integer supporting
+             * up to 48 bits of accuracy.
+             *
+             * This function is also available under the `readUintBE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56, 0x78, 0x90, 0xab]);
+             *
+             * console.log(buf.readUIntBE(0, 6).toString(16));
+             * // Prints: 1234567890ab
+             * console.log(buf.readUIntBE(1, 6).toString(16));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.11.15
+             * @param offset Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to read. Must satisfy `0 < byteLength <= 6`.
+             */
+            readUIntBE(offset: number, byteLength: number): number;
+            /**
+             * @alias Buffer.readUIntBE
+             * @since v14.9.0, v12.19.0
+             */
+            readUintBE(offset: number, byteLength: number): number;
+            /**
+             * Reads `byteLength` number of bytes from `buf` at the specified `offset`and interprets the result as a little-endian, two's complement signed value
+             * supporting up to 48 bits of accuracy.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56, 0x78, 0x90, 0xab]);
+             *
+             * console.log(buf.readIntLE(0, 6).toString(16));
+             * // Prints: -546f87a9cbee
+             * ```
+             * @since v0.11.15
+             * @param offset Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to read. Must satisfy `0 < byteLength <= 6`.
+             */
+            readIntLE(offset: number, byteLength: number): number;
+            /**
+             * Reads `byteLength` number of bytes from `buf` at the specified `offset`and interprets the result as a big-endian, two's complement signed value
+             * supporting up to 48 bits of accuracy.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56, 0x78, 0x90, 0xab]);
+             *
+             * console.log(buf.readIntBE(0, 6).toString(16));
+             * // Prints: 1234567890ab
+             * console.log(buf.readIntBE(1, 6).toString(16));
+             * // Throws ERR_OUT_OF_RANGE.
+             * console.log(buf.readIntBE(1, 0).toString(16));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.11.15
+             * @param offset Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - byteLength`.
+             * @param byteLength Number of bytes to read. Must satisfy `0 < byteLength <= 6`.
+             */
+            readIntBE(offset: number, byteLength: number): number;
+            /**
+             * Reads an unsigned 8-bit integer from `buf` at the specified `offset`.
+             *
+             * This function is also available under the `readUint8` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([1, -2]);
+             *
+             * console.log(buf.readUInt8(0));
+             * // Prints: 1
+             * console.log(buf.readUInt8(1));
+             * // Prints: 254
+             * console.log(buf.readUInt8(2));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.5.0
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 1`.
+             */
+            readUInt8(offset?: number): number;
+            /**
+             * @alias Buffer.readUInt8
+             * @since v14.9.0, v12.19.0
+             */
+            readUint8(offset?: number): number;
+            /**
+             * Reads an unsigned, little-endian 16-bit integer from `buf` at the specified`offset`.
+             *
+             * This function is also available under the `readUint16LE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56]);
+             *
+             * console.log(buf.readUInt16LE(0).toString(16));
+             * // Prints: 3412
+             * console.log(buf.readUInt16LE(1).toString(16));
+             * // Prints: 5634
+             * console.log(buf.readUInt16LE(2).toString(16));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 2`.
+             */
+            readUInt16LE(offset?: number): number;
+            /**
+             * @alias Buffer.readUInt16LE
+             * @since v14.9.0, v12.19.0
+             */
+            readUint16LE(offset?: number): number;
+            /**
+             * Reads an unsigned, big-endian 16-bit integer from `buf` at the specified`offset`.
+             *
+             * This function is also available under the `readUint16BE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56]);
+             *
+             * console.log(buf.readUInt16BE(0).toString(16));
+             * // Prints: 1234
+             * console.log(buf.readUInt16BE(1).toString(16));
+             * // Prints: 3456
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 2`.
+             */
+            readUInt16BE(offset?: number): number;
+            /**
+             * @alias Buffer.readUInt16BE
+             * @since v14.9.0, v12.19.0
+             */
+            readUint16BE(offset?: number): number;
+            /**
+             * Reads an unsigned, little-endian 32-bit integer from `buf` at the specified`offset`.
+             *
+             * This function is also available under the `readUint32LE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56, 0x78]);
+             *
+             * console.log(buf.readUInt32LE(0).toString(16));
+             * // Prints: 78563412
+             * console.log(buf.readUInt32LE(1).toString(16));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 4`.
+             */
+            readUInt32LE(offset?: number): number;
+            /**
+             * @alias Buffer.readUInt32LE
+             * @since v14.9.0, v12.19.0
+             */
+            readUint32LE(offset?: number): number;
+            /**
+             * Reads an unsigned, big-endian 32-bit integer from `buf` at the specified`offset`.
+             *
+             * This function is also available under the `readUint32BE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0x12, 0x34, 0x56, 0x78]);
+             *
+             * console.log(buf.readUInt32BE(0).toString(16));
+             * // Prints: 12345678
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 4`.
+             */
+            readUInt32BE(offset?: number): number;
+            /**
+             * @alias Buffer.readUInt32BE
+             * @since v14.9.0, v12.19.0
+             */
+            readUint32BE(offset?: number): number;
+            /**
+             * Reads a signed 8-bit integer from `buf` at the specified `offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed values.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([-1, 5]);
+             *
+             * console.log(buf.readInt8(0));
+             * // Prints: -1
+             * console.log(buf.readInt8(1));
+             * // Prints: 5
+             * console.log(buf.readInt8(2));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.5.0
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 1`.
+             */
+            readInt8(offset?: number): number;
+            /**
+             * Reads a signed, little-endian 16-bit integer from `buf` at the specified`offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed values.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0, 5]);
+             *
+             * console.log(buf.readInt16LE(0));
+             * // Prints: 1280
+             * console.log(buf.readInt16LE(1));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 2`.
+             */
+            readInt16LE(offset?: number): number;
+            /**
+             * Reads a signed, big-endian 16-bit integer from `buf` at the specified `offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed values.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0, 5]);
+             *
+             * console.log(buf.readInt16BE(0));
+             * // Prints: 5
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 2`.
+             */
+            readInt16BE(offset?: number): number;
+            /**
+             * Reads a signed, little-endian 32-bit integer from `buf` at the specified`offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed values.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0, 0, 0, 5]);
+             *
+             * console.log(buf.readInt32LE(0));
+             * // Prints: 83886080
+             * console.log(buf.readInt32LE(1));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 4`.
+             */
+            readInt32LE(offset?: number): number;
+            /**
+             * Reads a signed, big-endian 32-bit integer from `buf` at the specified `offset`.
+             *
+             * Integers read from a `Buffer` are interpreted as two's complement signed values.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([0, 0, 0, 5]);
+             *
+             * console.log(buf.readInt32BE(0));
+             * // Prints: 5
+             * ```
+             * @since v0.5.5
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 4`.
+             */
+            readInt32BE(offset?: number): number;
+            /**
+             * Reads a 32-bit, little-endian float from `buf` at the specified `offset`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([1, 2, 3, 4]);
+             *
+             * console.log(buf.readFloatLE(0));
+             * // Prints: 1.539989614439558e-36
+             * console.log(buf.readFloatLE(1));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.11.15
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 4`.
+             */
+            readFloatLE(offset?: number): number;
+            /**
+             * Reads a 32-bit, big-endian float from `buf` at the specified `offset`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([1, 2, 3, 4]);
+             *
+             * console.log(buf.readFloatBE(0));
+             * // Prints: 2.387939260590663e-38
+             * ```
+             * @since v0.11.15
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 4`.
+             */
+            readFloatBE(offset?: number): number;
+            /**
+             * Reads a 64-bit, little-endian double from `buf` at the specified `offset`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8]);
+             *
+             * console.log(buf.readDoubleLE(0));
+             * // Prints: 5.447603722011605e-270
+             * console.log(buf.readDoubleLE(1));
+             * // Throws ERR_OUT_OF_RANGE.
+             * ```
+             * @since v0.11.15
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 8`.
+             */
+            readDoubleLE(offset?: number): number;
+            /**
+             * Reads a 64-bit, big-endian double from `buf` at the specified `offset`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from([1, 2, 3, 4, 5, 6, 7, 8]);
+             *
+             * console.log(buf.readDoubleBE(0));
+             * // Prints: 8.20788039913184e-304
+             * ```
+             * @since v0.11.15
+             * @param [offset=0] Number of bytes to skip before starting to read. Must satisfy `0 <= offset <= buf.length - 8`.
+             */
+            readDoubleBE(offset?: number): number;
+            reverse(): this;
+            /**
+             * Interprets `buf` as an array of unsigned 16-bit integers and swaps the
+             * byte order _in-place_. Throws `ERR_INVALID_BUFFER_SIZE` if `buf.length` is not a multiple of 2.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from([0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8]);
+             *
+             * console.log(buf1);
+             * // Prints: <Buffer 01 02 03 04 05 06 07 08>
+             *
+             * buf1.swap16();
+             *
+             * console.log(buf1);
+             * // Prints: <Buffer 02 01 04 03 06 05 08 07>
+             *
+             * const buf2 = Buffer.from([0x1, 0x2, 0x3]);
+             *
+             * buf2.swap16();
+             * // Throws ERR_INVALID_BUFFER_SIZE.
+             * ```
+             *
+             * One convenient use of `buf.swap16()` is to perform a fast in-place conversion
+             * between UTF-16 little-endian and UTF-16 big-endian:
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('This is little-endian UTF-16', 'utf16le');
+             * buf.swap16(); // Convert to big-endian UTF-16 text.
+             * ```
+             * @since v5.10.0
+             * @return A reference to `buf`.
+             */
+            swap16(): Buffer;
+            /**
+             * Interprets `buf` as an array of unsigned 32-bit integers and swaps the
+             * byte order _in-place_. Throws `ERR_INVALID_BUFFER_SIZE` if `buf.length` is not a multiple of 4.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from([0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8]);
+             *
+             * console.log(buf1);
+             * // Prints: <Buffer 01 02 03 04 05 06 07 08>
+             *
+             * buf1.swap32();
+             *
+             * console.log(buf1);
+             * // Prints: <Buffer 04 03 02 01 08 07 06 05>
+             *
+             * const buf2 = Buffer.from([0x1, 0x2, 0x3]);
+             *
+             * buf2.swap32();
+             * // Throws ERR_INVALID_BUFFER_SIZE.
+             * ```
+             * @since v5.10.0
+             * @return A reference to `buf`.
+             */
+            swap32(): Buffer;
+            /**
+             * Interprets `buf` as an array of 64-bit numbers and swaps byte order _in-place_.
+             * Throws `ERR_INVALID_BUFFER_SIZE` if `buf.length` is not a multiple of 8.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf1 = Buffer.from([0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8]);
+             *
+             * console.log(buf1);
+             * // Prints: <Buffer 01 02 03 04 05 06 07 08>
+             *
+             * buf1.swap64();
+             *
+             * console.log(buf1);
+             * // Prints: <Buffer 08 07 06 05 04 03 02 01>
+             *
+             * const buf2 = Buffer.from([0x1, 0x2, 0x3]);
+             *
+             * buf2.swap64();
+             * // Throws ERR_INVALID_BUFFER_SIZE.
+             * ```
+             * @since v6.3.0
+             * @return A reference to `buf`.
+             */
+            swap64(): Buffer;
+            /**
+             * Writes `value` to `buf` at the specified `offset`. `value` must be a
+             * valid unsigned 8-bit integer. Behavior is undefined when `value` is anything
+             * other than an unsigned 8-bit integer.
+             *
+             * This function is also available under the `writeUint8` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeUInt8(0x3, 0);
+             * buf.writeUInt8(0x4, 1);
+             * buf.writeUInt8(0x23, 2);
+             * buf.writeUInt8(0x42, 3);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 03 04 23 42>
+             * ```
+             * @since v0.5.0
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 1`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUInt8(value: number, offset?: number): number;
+            /**
+             * @alias Buffer.writeUInt8
+             * @since v14.9.0, v12.19.0
+             */
+            writeUint8(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian. The `value`must be a valid unsigned 16-bit integer. Behavior is undefined when `value` is
+             * anything other than an unsigned 16-bit integer.
+             *
+             * This function is also available under the `writeUint16LE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeUInt16LE(0xdead, 0);
+             * buf.writeUInt16LE(0xbeef, 2);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer ad de ef be>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 2`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUInt16LE(value: number, offset?: number): number;
+            /**
+             * @alias Buffer.writeUInt16LE
+             * @since v14.9.0, v12.19.0
+             */
+            writeUint16LE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian. The `value`must be a valid unsigned 16-bit integer. Behavior is undefined when `value`is anything other than an
+             * unsigned 16-bit integer.
+             *
+             * This function is also available under the `writeUint16BE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeUInt16BE(0xdead, 0);
+             * buf.writeUInt16BE(0xbeef, 2);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer de ad be ef>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 2`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUInt16BE(value: number, offset?: number): number;
+            /**
+             * @alias Buffer.writeUInt16BE
+             * @since v14.9.0, v12.19.0
+             */
+            writeUint16BE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian. The `value`must be a valid unsigned 32-bit integer. Behavior is undefined when `value` is
+             * anything other than an unsigned 32-bit integer.
+             *
+             * This function is also available under the `writeUint32LE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeUInt32LE(0xfeedface, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer ce fa ed fe>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 4`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUInt32LE(value: number, offset?: number): number;
+            /**
+             * @alias Buffer.writeUInt32LE
+             * @since v14.9.0, v12.19.0
+             */
+            writeUint32LE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian. The `value`must be a valid unsigned 32-bit integer. Behavior is undefined when `value`is anything other than an
+             * unsigned 32-bit integer.
+             *
+             * This function is also available under the `writeUint32BE` alias.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeUInt32BE(0xfeedface, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer fe ed fa ce>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 4`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeUInt32BE(value: number, offset?: number): number;
+            /**
+             * @alias Buffer.writeUInt32BE
+             * @since v14.9.0, v12.19.0
+             */
+            writeUint32BE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset`. `value` must be a valid
+             * signed 8-bit integer. Behavior is undefined when `value` is anything other than
+             * a signed 8-bit integer.
+             *
+             * `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(2);
+             *
+             * buf.writeInt8(2, 0);
+             * buf.writeInt8(-2, 1);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 02 fe>
+             * ```
+             * @since v0.5.0
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 1`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeInt8(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian.  The `value`must be a valid signed 16-bit integer. Behavior is undefined when `value` is
+             * anything other than a signed 16-bit integer.
+             *
+             * The `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(2);
+             *
+             * buf.writeInt16LE(0x0304, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 04 03>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 2`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeInt16LE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian.  The `value`must be a valid signed 16-bit integer. Behavior is undefined when `value` is
+             * anything other than a signed 16-bit integer.
+             *
+             * The `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(2);
+             *
+             * buf.writeInt16BE(0x0102, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 01 02>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 2`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeInt16BE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian. The `value`must be a valid signed 32-bit integer. Behavior is undefined when `value` is
+             * anything other than a signed 32-bit integer.
+             *
+             * The `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeInt32LE(0x05060708, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 08 07 06 05>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 4`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeInt32LE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian. The `value`must be a valid signed 32-bit integer. Behavior is undefined when `value` is
+             * anything other than a signed 32-bit integer.
+             *
+             * The `value` is interpreted and written as a two's complement signed integer.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeInt32BE(0x01020304, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 01 02 03 04>
+             * ```
+             * @since v0.5.5
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 4`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeInt32BE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian. Behavior is
+             * undefined when `value` is anything other than a JavaScript number.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeFloatLE(0xcafebabe, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer bb fe 4a 4f>
+             * ```
+             * @since v0.11.15
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 4`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeFloatLE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian. Behavior is
+             * undefined when `value` is anything other than a JavaScript number.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(4);
+             *
+             * buf.writeFloatBE(0xcafebabe, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 4f 4a fe bb>
+             * ```
+             * @since v0.11.15
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 4`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeFloatBE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as little-endian. The `value`must be a JavaScript number. Behavior is undefined when `value` is anything
+             * other than a JavaScript number.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(8);
+             *
+             * buf.writeDoubleLE(123.456, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 77 be 9f 1a 2f dd 5e 40>
+             * ```
+             * @since v0.11.15
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 8`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeDoubleLE(value: number, offset?: number): number;
+            /**
+             * Writes `value` to `buf` at the specified `offset` as big-endian. The `value`must be a JavaScript number. Behavior is undefined when `value` is anything
+             * other than a JavaScript number.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(8);
+             *
+             * buf.writeDoubleBE(123.456, 0);
+             *
+             * console.log(buf);
+             * // Prints: <Buffer 40 5e dd 2f 1a 9f be 77>
+             * ```
+             * @since v0.11.15
+             * @param value Number to be written to `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to write. Must satisfy `0 <= offset <= buf.length - 8`.
+             * @return `offset` plus the number of bytes written.
+             */
+            writeDoubleBE(value: number, offset?: number): number;
+            /**
+             * Fills `buf` with the specified `value`. If the `offset` and `end` are not given,
+             * the entire `buf` will be filled:
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Fill a `Buffer` with the ASCII character 'h'.
+             *
+             * const b = Buffer.allocUnsafe(50).fill('h');
+             *
+             * console.log(b.toString());
+             * // Prints: hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
+             * ```
+             *
+             * `value` is coerced to a `uint32` value if it is not a string, `Buffer`, or
+             * integer. If the resulting integer is greater than `255` (decimal), `buf` will be
+             * filled with `value &#x26; 255`.
+             *
+             * If the final write of a `fill()` operation falls on a multi-byte character,
+             * then only the bytes of that character that fit into `buf` are written:
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Fill a `Buffer` with character that takes up two bytes in UTF-8.
+             *
+             * console.log(Buffer.allocUnsafe(5).fill('\u0222'));
+             * // Prints: <Buffer c8 a2 c8 a2 c8>
+             * ```
+             *
+             * If `value` contains invalid characters, it is truncated; if no valid
+             * fill data remains, an exception is thrown:
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.allocUnsafe(5);
+             *
+             * console.log(buf.fill('a'));
+             * // Prints: <Buffer 61 61 61 61 61>
+             * console.log(buf.fill('aazz', 'hex'));
+             * // Prints: <Buffer aa aa aa aa aa>
+             * console.log(buf.fill('zz', 'hex'));
+             * // Throws an exception.
+             * ```
+             * @since v0.5.0
+             * @param value The value with which to fill `buf`.
+             * @param [offset=0] Number of bytes to skip before starting to fill `buf`.
+             * @param [end=buf.length] Where to stop filling `buf` (not inclusive).
+             * @param [encoding='utf8'] The encoding for `value` if `value` is a string.
+             * @return A reference to `buf`.
+             */
+            fill(value: string | Uint8Array | number, offset?: number, end?: number, encoding?: BufferEncoding): this;
+            /**
+             * If `value` is:
+             *
+             * * a string, `value` is interpreted according to the character encoding in`encoding`.
+             * * a `Buffer` or [`Uint8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array), `value` will be used in its entirety.
+             * To compare a partial `Buffer`, use `buf.subarray`.
+             * * a number, `value` will be interpreted as an unsigned 8-bit integer
+             * value between `0` and `255`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('this is a buffer');
+             *
+             * console.log(buf.indexOf('this'));
+             * // Prints: 0
+             * console.log(buf.indexOf('is'));
+             * // Prints: 2
+             * console.log(buf.indexOf(Buffer.from('a buffer')));
+             * // Prints: 8
+             * console.log(buf.indexOf(97));
+             * // Prints: 8 (97 is the decimal ASCII value for 'a')
+             * console.log(buf.indexOf(Buffer.from('a buffer example')));
+             * // Prints: -1
+             * console.log(buf.indexOf(Buffer.from('a buffer example').slice(0, 8)));
+             * // Prints: 8
+             *
+             * const utf16Buffer = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'utf16le');
+             *
+             * console.log(utf16Buffer.indexOf('\u03a3', 0, 'utf16le'));
+             * // Prints: 4
+             * console.log(utf16Buffer.indexOf('\u03a3', -4, 'utf16le'));
+             * // Prints: 6
+             * ```
+             *
+             * If `value` is not a string, number, or `Buffer`, this method will throw a`TypeError`. If `value` is a number, it will be coerced to a valid byte value,
+             * an integer between 0 and 255.
+             *
+             * If `byteOffset` is not a number, it will be coerced to a number. If the result
+             * of coercion is `NaN` or `0`, then the entire buffer will be searched. This
+             * behavior matches [`String.prototype.indexOf()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/indexOf).
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const b = Buffer.from('abcdef');
+             *
+             * // Passing a value that's a number, but not a valid byte.
+             * // Prints: 2, equivalent to searching for 99 or 'c'.
+             * console.log(b.indexOf(99.9));
+             * console.log(b.indexOf(256 + 99));
+             *
+             * // Passing a byteOffset that coerces to NaN or 0.
+             * // Prints: 1, searching the whole buffer.
+             * console.log(b.indexOf('b', undefined));
+             * console.log(b.indexOf('b', {}));
+             * console.log(b.indexOf('b', null));
+             * console.log(b.indexOf('b', []));
+             * ```
+             *
+             * If `value` is an empty string or empty `Buffer` and `byteOffset` is less
+             * than `buf.length`, `byteOffset` will be returned. If `value` is empty and`byteOffset` is at least `buf.length`, `buf.length` will be returned.
+             * @since v1.5.0
+             * @param value What to search for.
+             * @param [byteOffset=0] Where to begin searching in `buf`. If negative, then offset is calculated from the end of `buf`.
+             * @param [encoding='utf8'] If `value` is a string, this is the encoding used to determine the binary representation of the string that will be searched for in `buf`.
+             * @return The index of the first occurrence of `value` in `buf`, or `-1` if `buf` does not contain `value`.
+             */
+            indexOf(value: string | number | Uint8Array, byteOffset?: number, encoding?: BufferEncoding): number;
+            /**
+             * Identical to `buf.indexOf()`, except the last occurrence of `value` is found
+             * rather than the first occurrence.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('this buffer is a buffer');
+             *
+             * console.log(buf.lastIndexOf('this'));
+             * // Prints: 0
+             * console.log(buf.lastIndexOf('buffer'));
+             * // Prints: 17
+             * console.log(buf.lastIndexOf(Buffer.from('buffer')));
+             * // Prints: 17
+             * console.log(buf.lastIndexOf(97));
+             * // Prints: 15 (97 is the decimal ASCII value for 'a')
+             * console.log(buf.lastIndexOf(Buffer.from('yolo')));
+             * // Prints: -1
+             * console.log(buf.lastIndexOf('buffer', 5));
+             * // Prints: 5
+             * console.log(buf.lastIndexOf('buffer', 4));
+             * // Prints: -1
+             *
+             * const utf16Buffer = Buffer.from('\u039a\u0391\u03a3\u03a3\u0395', 'utf16le');
+             *
+             * console.log(utf16Buffer.lastIndexOf('\u03a3', undefined, 'utf16le'));
+             * // Prints: 6
+             * console.log(utf16Buffer.lastIndexOf('\u03a3', -5, 'utf16le'));
+             * // Prints: 4
+             * ```
+             *
+             * If `value` is not a string, number, or `Buffer`, this method will throw a`TypeError`. If `value` is a number, it will be coerced to a valid byte value,
+             * an integer between 0 and 255.
+             *
+             * If `byteOffset` is not a number, it will be coerced to a number. Any arguments
+             * that coerce to `NaN`, like `{}` or `undefined`, will search the whole buffer.
+             * This behavior matches [`String.prototype.lastIndexOf()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/lastIndexOf).
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const b = Buffer.from('abcdef');
+             *
+             * // Passing a value that's a number, but not a valid byte.
+             * // Prints: 2, equivalent to searching for 99 or 'c'.
+             * console.log(b.lastIndexOf(99.9));
+             * console.log(b.lastIndexOf(256 + 99));
+             *
+             * // Passing a byteOffset that coerces to NaN.
+             * // Prints: 1, searching the whole buffer.
+             * console.log(b.lastIndexOf('b', undefined));
+             * console.log(b.lastIndexOf('b', {}));
+             *
+             * // Passing a byteOffset that coerces to 0.
+             * // Prints: -1, equivalent to passing 0.
+             * console.log(b.lastIndexOf('b', null));
+             * console.log(b.lastIndexOf('b', []));
+             * ```
+             *
+             * If `value` is an empty string or empty `Buffer`, `byteOffset` will be returned.
+             * @since v6.0.0
+             * @param value What to search for.
+             * @param [byteOffset=buf.length - 1] Where to begin searching in `buf`. If negative, then offset is calculated from the end of `buf`.
+             * @param [encoding='utf8'] If `value` is a string, this is the encoding used to determine the binary representation of the string that will be searched for in `buf`.
+             * @return The index of the last occurrence of `value` in `buf`, or `-1` if `buf` does not contain `value`.
+             */
+            lastIndexOf(value: string | number | Uint8Array, byteOffset?: number, encoding?: BufferEncoding): number;
+            /**
+             * Creates and returns an [iterator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols) of `[index, byte]` pairs from the contents
+             * of `buf`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * // Log the entire contents of a `Buffer`.
+             *
+             * const buf = Buffer.from('buffer');
+             *
+             * for (const pair of buf.entries()) {
+             *   console.log(pair);
+             * }
+             * // Prints:
+             * //   [0, 98]
+             * //   [1, 117]
+             * //   [2, 102]
+             * //   [3, 102]
+             * //   [4, 101]
+             * //   [5, 114]
+             * ```
+             * @since v1.1.0
+             */
+            entries(): IterableIterator<[number, number]>;
+            /**
+             * Equivalent to `buf.indexOf() !== -1`.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('this is a buffer');
+             *
+             * console.log(buf.includes('this'));
+             * // Prints: true
+             * console.log(buf.includes('is'));
+             * // Prints: true
+             * console.log(buf.includes(Buffer.from('a buffer')));
+             * // Prints: true
+             * console.log(buf.includes(97));
+             * // Prints: true (97 is the decimal ASCII value for 'a')
+             * console.log(buf.includes(Buffer.from('a buffer example')));
+             * // Prints: false
+             * console.log(buf.includes(Buffer.from('a buffer example').slice(0, 8)));
+             * // Prints: true
+             * console.log(buf.includes('this', 4));
+             * // Prints: false
+             * ```
+             * @since v5.3.0
+             * @param value What to search for.
+             * @param [byteOffset=0] Where to begin searching in `buf`. If negative, then offset is calculated from the end of `buf`.
+             * @param [encoding='utf8'] If `value` is a string, this is its encoding.
+             * @return `true` if `value` was found in `buf`, `false` otherwise.
+             */
+            includes(value: string | number | Buffer, byteOffset?: number, encoding?: BufferEncoding): boolean;
+            /**
+             * Creates and returns an [iterator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols) of `buf` keys (indices).
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('buffer');
+             *
+             * for (const key of buf.keys()) {
+             *   console.log(key);
+             * }
+             * // Prints:
+             * //   0
+             * //   1
+             * //   2
+             * //   3
+             * //   4
+             * //   5
+             * ```
+             * @since v1.1.0
+             */
+            keys(): IterableIterator<number>;
+            /**
+             * Creates and returns an [iterator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols) for `buf` values (bytes). This function is
+             * called automatically when a `Buffer` is used in a `for..of` statement.
+             *
+             * ```js
+             * import { Buffer } from 'buffer';
+             *
+             * const buf = Buffer.from('buffer');
+             *
+             * for (const value of buf.values()) {
+             *   console.log(value);
+             * }
+             * // Prints:
+             * //   98
+             * //   117
+             * //   102
+             * //   102
+             * //   101
+             * //   114
+             *
+             * for (const value of buf) {
+             *   console.log(value);
+             * }
+             * // Prints:
+             * //   98
+             * //   117
+             * //   102
+             * //   102
+             * //   101
+             * //   114
+             * ```
+             * @since v1.1.0
+             */
+            values(): IterableIterator<number>;
+        }
+        var Buffer: BufferConstructor;
+        /**
+         * Decodes a string of Base64-encoded data into bytes, and encodes those bytes
+         * into a string using Latin-1 (ISO-8859-1).
+         *
+         * The `data` may be any JavaScript-value that can be coerced into a string.
+         *
+         * **This function is only provided for compatibility with legacy web platform APIs**
+         * **and should never be used in new code, because they use strings to represent**
+         * **binary data and predate the introduction of typed arrays in JavaScript.**
+         * **For code running using Node.js APIs, converting between base64-encoded strings**
+         * **and binary data should be performed using `Buffer.from(str, 'base64')` and`buf.toString('base64')`.**
+         * @since v15.13.0, v14.17.0
+         * @deprecated Use `Buffer.from(data, 'base64')` instead.
+         * @param data The Base64-encoded input string.
+         */
+        function atob(data: string): string;
+        /**
+         * Decodes a string into bytes using Latin-1 (ISO-8859), and encodes those bytes
+         * into a string using Base64.
+         *
+         * The `data` may be any JavaScript-value that can be coerced into a string.
+         *
+         * **This function is only provided for compatibility with legacy web platform APIs**
+         * **and should never be used in new code, because they use strings to represent**
+         * **binary data and predate the introduction of typed arrays in JavaScript.**
+         * **For code running using Node.js APIs, converting between base64-encoded strings**
+         * **and binary data should be performed using `Buffer.from(str, 'base64')` and`buf.toString('base64')`.**
+         * @since v15.13.0, v14.17.0
+         * @deprecated Use `buf.toString('base64')` instead.
+         * @param data An ASCII (Latin1) string.
+         */
+        function btoa(data: string): string;
+    }
+}
+declare module 'node:buffer' {
+    export * from 'buffer';
+}
diff --git a/node_modules/@types/node/ts4.8/child_process.d.ts b/node_modules/@types/node/ts4.8/child_process.d.ts
new file mode 100644
index 000000000..79c7290e0
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/child_process.d.ts
@@ -0,0 +1,1369 @@
+/**
+ * The `child_process` module provides the ability to spawn subprocesses in
+ * a manner that is similar, but not identical, to [`popen(3)`](http://man7.org/linux/man-pages/man3/popen.3.html). This capability
+ * is primarily provided by the {@link spawn} function:
+ *
+ * ```js
+ * const { spawn } = require('child_process');
+ * const ls = spawn('ls', ['-lh', '/usr']);
+ *
+ * ls.stdout.on('data', (data) => {
+ *   console.log(`stdout: ${data}`);
+ * });
+ *
+ * ls.stderr.on('data', (data) => {
+ *   console.error(`stderr: ${data}`);
+ * });
+ *
+ * ls.on('close', (code) => {
+ *   console.log(`child process exited with code ${code}`);
+ * });
+ * ```
+ *
+ * By default, pipes for `stdin`, `stdout`, and `stderr` are established between
+ * the parent Node.js process and the spawned subprocess. These pipes have
+ * limited (and platform-specific) capacity. If the subprocess writes to
+ * stdout in excess of that limit without the output being captured, the
+ * subprocess blocks waiting for the pipe buffer to accept more data. This is
+ * identical to the behavior of pipes in the shell. Use the `{ stdio: 'ignore' }`option if the output will not be consumed.
+ *
+ * The command lookup is performed using the `options.env.PATH` environment
+ * variable if `env` is in the `options` object. Otherwise, `process.env.PATH` is
+ * used. If `options.env` is set without `PATH`, lookup on Unix is performed
+ * on a default search path search of `/usr/bin:/bin` (see your operating system's
+ * manual for execvpe/execvp), on Windows the current processes environment
+ * variable `PATH` is used.
+ *
+ * On Windows, environment variables are case-insensitive. Node.js
+ * lexicographically sorts the `env` keys and uses the first one that
+ * case-insensitively matches. Only first (in lexicographic order) entry will be
+ * passed to the subprocess. This might lead to issues on Windows when passing
+ * objects to the `env` option that have multiple variants of the same key, such as`PATH` and `Path`.
+ *
+ * The {@link spawn} method spawns the child process asynchronously,
+ * without blocking the Node.js event loop. The {@link spawnSync} function provides equivalent functionality in a synchronous manner that blocks
+ * the event loop until the spawned process either exits or is terminated.
+ *
+ * For convenience, the `child_process` module provides a handful of synchronous
+ * and asynchronous alternatives to {@link spawn} and {@link spawnSync}. Each of these alternatives are implemented on
+ * top of {@link spawn} or {@link spawnSync}.
+ *
+ * * {@link exec}: spawns a shell and runs a command within that
+ * shell, passing the `stdout` and `stderr` to a callback function when
+ * complete.
+ * * {@link execFile}: similar to {@link exec} except
+ * that it spawns the command directly without first spawning a shell by
+ * default.
+ * * {@link fork}: spawns a new Node.js process and invokes a
+ * specified module with an IPC communication channel established that allows
+ * sending messages between parent and child.
+ * * {@link execSync}: a synchronous version of {@link exec} that will block the Node.js event loop.
+ * * {@link execFileSync}: a synchronous version of {@link execFile} that will block the Node.js event loop.
+ *
+ * For certain use cases, such as automating shell scripts, the `synchronous counterparts` may be more convenient. In many cases, however,
+ * the synchronous methods can have significant impact on performance due to
+ * stalling the event loop while spawned processes complete.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/child_process.js)
+ */
+declare module 'child_process' {
+    import { ObjectEncodingOptions } from 'node:fs';
+    import { EventEmitter, Abortable } from 'node:events';
+    import * as net from 'node:net';
+    import { Writable, Readable, Stream, Pipe } from 'node:stream';
+    import { URL } from 'node:url';
+    type Serializable = string | object | number | boolean | bigint;
+    type SendHandle = net.Socket | net.Server;
+    /**
+     * Instances of the `ChildProcess` represent spawned child processes.
+     *
+     * Instances of `ChildProcess` are not intended to be created directly. Rather,
+     * use the {@link spawn}, {@link exec},{@link execFile}, or {@link fork} methods to create
+     * instances of `ChildProcess`.
+     * @since v2.2.0
+     */
+    class ChildProcess extends EventEmitter {
+        /**
+         * A `Writable Stream` that represents the child process's `stdin`.
+         *
+         * If a child process waits to read all of its input, the child will not continue
+         * until this stream has been closed via `end()`.
+         *
+         * If the child was spawned with `stdio[0]` set to anything other than `'pipe'`,
+         * then this will be `null`.
+         *
+         * `subprocess.stdin` is an alias for `subprocess.stdio[0]`. Both properties will
+         * refer to the same value.
+         *
+         * The `subprocess.stdin` property can be `undefined` if the child process could
+         * not be successfully spawned.
+         * @since v0.1.90
+         */
+        stdin: Writable | null;
+        /**
+         * A `Readable Stream` that represents the child process's `stdout`.
+         *
+         * If the child was spawned with `stdio[1]` set to anything other than `'pipe'`,
+         * then this will be `null`.
+         *
+         * `subprocess.stdout` is an alias for `subprocess.stdio[1]`. Both properties will
+         * refer to the same value.
+         *
+         * ```js
+         * const { spawn } = require('child_process');
+         *
+         * const subprocess = spawn('ls');
+         *
+         * subprocess.stdout.on('data', (data) => {
+         *   console.log(`Received chunk ${data}`);
+         * });
+         * ```
+         *
+         * The `subprocess.stdout` property can be `null` if the child process could
+         * not be successfully spawned.
+         * @since v0.1.90
+         */
+        stdout: Readable | null;
+        /**
+         * A `Readable Stream` that represents the child process's `stderr`.
+         *
+         * If the child was spawned with `stdio[2]` set to anything other than `'pipe'`,
+         * then this will be `null`.
+         *
+         * `subprocess.stderr` is an alias for `subprocess.stdio[2]`. Both properties will
+         * refer to the same value.
+         *
+         * The `subprocess.stderr` property can be `null` if the child process could
+         * not be successfully spawned.
+         * @since v0.1.90
+         */
+        stderr: Readable | null;
+        /**
+         * The `subprocess.channel` property is a reference to the child's IPC channel. If
+         * no IPC channel currently exists, this property is `undefined`.
+         * @since v7.1.0
+         */
+        readonly channel?: Pipe | null | undefined;
+        /**
+         * A sparse array of pipes to the child process, corresponding with positions in
+         * the `stdio` option passed to {@link spawn} that have been set
+         * to the value `'pipe'`. `subprocess.stdio[0]`, `subprocess.stdio[1]`, and`subprocess.stdio[2]` are also available as `subprocess.stdin`,`subprocess.stdout`, and `subprocess.stderr`,
+         * respectively.
+         *
+         * In the following example, only the child's fd `1` (stdout) is configured as a
+         * pipe, so only the parent's `subprocess.stdio[1]` is a stream, all other values
+         * in the array are `null`.
+         *
+         * ```js
+         * const assert = require('assert');
+         * const fs = require('fs');
+         * const child_process = require('child_process');
+         *
+         * const subprocess = child_process.spawn('ls', {
+         *   stdio: [
+         *     0, // Use parent's stdin for child.
+         *     'pipe', // Pipe child's stdout to parent.
+         *     fs.openSync('err.out', 'w'), // Direct child's stderr to a file.
+         *   ]
+         * });
+         *
+         * assert.strictEqual(subprocess.stdio[0], null);
+         * assert.strictEqual(subprocess.stdio[0], subprocess.stdin);
+         *
+         * assert(subprocess.stdout);
+         * assert.strictEqual(subprocess.stdio[1], subprocess.stdout);
+         *
+         * assert.strictEqual(subprocess.stdio[2], null);
+         * assert.strictEqual(subprocess.stdio[2], subprocess.stderr);
+         * ```
+         *
+         * The `subprocess.stdio` property can be `undefined` if the child process could
+         * not be successfully spawned.
+         * @since v0.7.10
+         */
+        readonly stdio: [
+            Writable | null,
+            // stdin
+            Readable | null,
+            // stdout
+            Readable | null,
+            // stderr
+            Readable | Writable | null | undefined,
+            // extra
+            Readable | Writable | null | undefined // extra
+        ];
+        /**
+         * The `subprocess.killed` property indicates whether the child process
+         * successfully received a signal from `subprocess.kill()`. The `killed` property
+         * does not indicate that the child process has been terminated.
+         * @since v0.5.10
+         */
+        readonly killed: boolean;
+        /**
+         * Returns the process identifier (PID) of the child process. If the child process
+         * fails to spawn due to errors, then the value is `undefined` and `error` is
+         * emitted.
+         *
+         * ```js
+         * const { spawn } = require('child_process');
+         * const grep = spawn('grep', ['ssh']);
+         *
+         * console.log(`Spawned child pid: ${grep.pid}`);
+         * grep.stdin.end();
+         * ```
+         * @since v0.1.90
+         */
+        readonly pid?: number | undefined;
+        /**
+         * The `subprocess.connected` property indicates whether it is still possible to
+         * send and receive messages from a child process. When `subprocess.connected` is`false`, it is no longer possible to send or receive messages.
+         * @since v0.7.2
+         */
+        readonly connected: boolean;
+        /**
+         * The `subprocess.exitCode` property indicates the exit code of the child process.
+         * If the child process is still running, the field will be `null`.
+         */
+        readonly exitCode: number | null;
+        /**
+         * The `subprocess.signalCode` property indicates the signal received by
+         * the child process if any, else `null`.
+         */
+        readonly signalCode: NodeJS.Signals | null;
+        /**
+         * The `subprocess.spawnargs` property represents the full list of command-line
+         * arguments the child process was launched with.
+         */
+        readonly spawnargs: string[];
+        /**
+         * The `subprocess.spawnfile` property indicates the executable file name of
+         * the child process that is launched.
+         *
+         * For {@link fork}, its value will be equal to `process.execPath`.
+         * For {@link spawn}, its value will be the name of
+         * the executable file.
+         * For {@link exec},  its value will be the name of the shell
+         * in which the child process is launched.
+         */
+        readonly spawnfile: string;
+        /**
+         * The `subprocess.kill()` method sends a signal to the child process. If no
+         * argument is given, the process will be sent the `'SIGTERM'` signal. See [`signal(7)`](http://man7.org/linux/man-pages/man7/signal.7.html) for a list of available signals. This function
+         * returns `true` if [`kill(2)`](http://man7.org/linux/man-pages/man2/kill.2.html) succeeds, and `false` otherwise.
+         *
+         * ```js
+         * const { spawn } = require('child_process');
+         * const grep = spawn('grep', ['ssh']);
+         *
+         * grep.on('close', (code, signal) => {
+         *   console.log(
+         *     `child process terminated due to receipt of signal ${signal}`);
+         * });
+         *
+         * // Send SIGHUP to process.
+         * grep.kill('SIGHUP');
+         * ```
+         *
+         * The `ChildProcess` object may emit an `'error'` event if the signal
+         * cannot be delivered. Sending a signal to a child process that has already exited
+         * is not an error but may have unforeseen consequences. Specifically, if the
+         * process identifier (PID) has been reassigned to another process, the signal will
+         * be delivered to that process instead which can have unexpected results.
+         *
+         * While the function is called `kill`, the signal delivered to the child process
+         * may not actually terminate the process.
+         *
+         * See [`kill(2)`](http://man7.org/linux/man-pages/man2/kill.2.html) for reference.
+         *
+         * On Windows, where POSIX signals do not exist, the `signal` argument will be
+         * ignored, and the process will be killed forcefully and abruptly (similar to`'SIGKILL'`).
+         * See `Signal Events` for more details.
+         *
+         * On Linux, child processes of child processes will not be terminated
+         * when attempting to kill their parent. This is likely to happen when running a
+         * new process in a shell or with the use of the `shell` option of `ChildProcess`:
+         *
+         * ```js
+         * 'use strict';
+         * const { spawn } = require('child_process');
+         *
+         * const subprocess = spawn(
+         *   'sh',
+         *   [
+         *     '-c',
+         *     `node -e "setInterval(() => {
+         *       console.log(process.pid, 'is alive')
+         *     }, 500);"`,
+         *   ], {
+         *     stdio: ['inherit', 'inherit', 'inherit']
+         *   }
+         * );
+         *
+         * setTimeout(() => {
+         *   subprocess.kill(); // Does not terminate the Node.js process in the shell.
+         * }, 2000);
+         * ```
+         * @since v0.1.90
+         */
+        kill(signal?: NodeJS.Signals | number): boolean;
+        /**
+         * When an IPC channel has been established between the parent and child (
+         * i.e. when using {@link fork}), the `subprocess.send()` method can
+         * be used to send messages to the child process. When the child process is a
+         * Node.js instance, these messages can be received via the `'message'` event.
+         *
+         * The message goes through serialization and parsing. The resulting
+         * message might not be the same as what is originally sent.
+         *
+         * For example, in the parent script:
+         *
+         * ```js
+         * const cp = require('child_process');
+         * const n = cp.fork(`${__dirname}/sub.js`);
+         *
+         * n.on('message', (m) => {
+         *   console.log('PARENT got message:', m);
+         * });
+         *
+         * // Causes the child to print: CHILD got message: { hello: 'world' }
+         * n.send({ hello: 'world' });
+         * ```
+         *
+         * And then the child script, `'sub.js'` might look like this:
+         *
+         * ```js
+         * process.on('message', (m) => {
+         *   console.log('CHILD got message:', m);
+         * });
+         *
+         * // Causes the parent to print: PARENT got message: { foo: 'bar', baz: null }
+         * process.send({ foo: 'bar', baz: NaN });
+         * ```
+         *
+         * Child Node.js processes will have a `process.send()` method of their own
+         * that allows the child to send messages back to the parent.
+         *
+         * There is a special case when sending a `{cmd: 'NODE_foo'}` message. Messages
+         * containing a `NODE_` prefix in the `cmd` property are reserved for use within
+         * Node.js core and will not be emitted in the child's `'message'` event. Rather, such messages are emitted using the`'internalMessage'` event and are consumed internally by Node.js.
+         * Applications should avoid using such messages or listening for`'internalMessage'` events as it is subject to change without notice.
+         *
+         * The optional `sendHandle` argument that may be passed to `subprocess.send()` is
+         * for passing a TCP server or socket object to the child process. The child will
+         * receive the object as the second argument passed to the callback function
+         * registered on the `'message'` event. Any data that is received
+         * and buffered in the socket will not be sent to the child.
+         *
+         * The optional `callback` is a function that is invoked after the message is
+         * sent but before the child may have received it. The function is called with a
+         * single argument: `null` on success, or an `Error` object on failure.
+         *
+         * If no `callback` function is provided and the message cannot be sent, an`'error'` event will be emitted by the `ChildProcess` object. This can
+         * happen, for instance, when the child process has already exited.
+         *
+         * `subprocess.send()` will return `false` if the channel has closed or when the
+         * backlog of unsent messages exceeds a threshold that makes it unwise to send
+         * more. Otherwise, the method returns `true`. The `callback` function can be
+         * used to implement flow control.
+         *
+         * #### Example: sending a server object
+         *
+         * The `sendHandle` argument can be used, for instance, to pass the handle of
+         * a TCP server object to the child process as illustrated in the example below:
+         *
+         * ```js
+         * const subprocess = require('child_process').fork('subprocess.js');
+         *
+         * // Open up the server object and send the handle.
+         * const server = require('net').createServer();
+         * server.on('connection', (socket) => {
+         *   socket.end('handled by parent');
+         * });
+         * server.listen(1337, () => {
+         *   subprocess.send('server', server);
+         * });
+         * ```
+         *
+         * The child would then receive the server object as:
+         *
+         * ```js
+         * process.on('message', (m, server) => {
+         *   if (m === 'server') {
+         *     server.on('connection', (socket) => {
+         *       socket.end('handled by child');
+         *     });
+         *   }
+         * });
+         * ```
+         *
+         * Once the server is now shared between the parent and child, some connections
+         * can be handled by the parent and some by the child.
+         *
+         * While the example above uses a server created using the `net` module, `dgram`module servers use exactly the same workflow with the exceptions of listening on
+         * a `'message'` event instead of `'connection'` and using `server.bind()` instead
+         * of `server.listen()`. This is, however, currently only supported on Unix
+         * platforms.
+         *
+         * #### Example: sending a socket object
+         *
+         * Similarly, the `sendHandler` argument can be used to pass the handle of a
+         * socket to the child process. The example below spawns two children that each
+         * handle connections with "normal" or "special" priority:
+         *
+         * ```js
+         * const { fork } = require('child_process');
+         * const normal = fork('subprocess.js', ['normal']);
+         * const special = fork('subprocess.js', ['special']);
+         *
+         * // Open up the server and send sockets to child. Use pauseOnConnect to prevent
+         * // the sockets from being read before they are sent to the child process.
+         * const server = require('net').createServer({ pauseOnConnect: true });
+         * server.on('connection', (socket) => {
+         *
+         *   // If this is special priority...
+         *   if (socket.remoteAddress === '74.125.127.100') {
+         *     special.send('socket', socket);
+         *     return;
+         *   }
+         *   // This is normal priority.
+         *   normal.send('socket', socket);
+         * });
+         * server.listen(1337);
+         * ```
+         *
+         * The `subprocess.js` would receive the socket handle as the second argument
+         * passed to the event callback function:
+         *
+         * ```js
+         * process.on('message', (m, socket) => {
+         *   if (m === 'socket') {
+         *     if (socket) {
+         *       // Check that the client socket exists.
+         *       // It is possible for the socket to be closed between the time it is
+         *       // sent and the time it is received in the child process.
+         *       socket.end(`Request handled with ${process.argv[2]} priority`);
+         *     }
+         *   }
+         * });
+         * ```
+         *
+         * Do not use `.maxConnections` on a socket that has been passed to a subprocess.
+         * The parent cannot track when the socket is destroyed.
+         *
+         * Any `'message'` handlers in the subprocess should verify that `socket` exists,
+         * as the connection may have been closed during the time it takes to send the
+         * connection to the child.
+         * @since v0.5.9
+         * @param options The `options` argument, if present, is an object used to parameterize the sending of certain types of handles. `options` supports the following properties:
+         */
+        send(message: Serializable, callback?: (error: Error | null) => void): boolean;
+        send(message: Serializable, sendHandle?: SendHandle, callback?: (error: Error | null) => void): boolean;
+        send(message: Serializable, sendHandle?: SendHandle, options?: MessageOptions, callback?: (error: Error | null) => void): boolean;
+        /**
+         * Closes the IPC channel between parent and child, allowing the child to exit
+         * gracefully once there are no other connections keeping it alive. After calling
+         * this method the `subprocess.connected` and `process.connected` properties in
+         * both the parent and child (respectively) will be set to `false`, and it will be
+         * no longer possible to pass messages between the processes.
+         *
+         * The `'disconnect'` event will be emitted when there are no messages in the
+         * process of being received. This will most often be triggered immediately after
+         * calling `subprocess.disconnect()`.
+         *
+         * When the child process is a Node.js instance (e.g. spawned using {@link fork}), the `process.disconnect()` method can be invoked
+         * within the child process to close the IPC channel as well.
+         * @since v0.7.2
+         */
+        disconnect(): void;
+        /**
+         * By default, the parent will wait for the detached child to exit. To prevent the
+         * parent from waiting for a given `subprocess` to exit, use the`subprocess.unref()` method. Doing so will cause the parent's event loop to not
+         * include the child in its reference count, allowing the parent to exit
+         * independently of the child, unless there is an established IPC channel between
+         * the child and the parent.
+         *
+         * ```js
+         * const { spawn } = require('child_process');
+         *
+         * const subprocess = spawn(process.argv[0], ['child_program.js'], {
+         *   detached: true,
+         *   stdio: 'ignore'
+         * });
+         *
+         * subprocess.unref();
+         * ```
+         * @since v0.7.10
+         */
+        unref(): void;
+        /**
+         * Calling `subprocess.ref()` after making a call to `subprocess.unref()` will
+         * restore the removed reference count for the child process, forcing the parent
+         * to wait for the child to exit before exiting itself.
+         *
+         * ```js
+         * const { spawn } = require('child_process');
+         *
+         * const subprocess = spawn(process.argv[0], ['child_program.js'], {
+         *   detached: true,
+         *   stdio: 'ignore'
+         * });
+         *
+         * subprocess.unref();
+         * subprocess.ref();
+         * ```
+         * @since v0.7.10
+         */
+        ref(): void;
+        /**
+         * events.EventEmitter
+         * 1. close
+         * 2. disconnect
+         * 3. error
+         * 4. exit
+         * 5. message
+         * 6. spawn
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        addListener(event: 'disconnect', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'exit', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        addListener(event: 'message', listener: (message: Serializable, sendHandle: SendHandle) => void): this;
+        addListener(event: 'spawn', listener: () => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'close', code: number | null, signal: NodeJS.Signals | null): boolean;
+        emit(event: 'disconnect'): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'exit', code: number | null, signal: NodeJS.Signals | null): boolean;
+        emit(event: 'message', message: Serializable, sendHandle: SendHandle): boolean;
+        emit(event: 'spawn', listener: () => void): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        on(event: 'disconnect', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'exit', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        on(event: 'message', listener: (message: Serializable, sendHandle: SendHandle) => void): this;
+        on(event: 'spawn', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        once(event: 'disconnect', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'exit', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        once(event: 'message', listener: (message: Serializable, sendHandle: SendHandle) => void): this;
+        once(event: 'spawn', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        prependListener(event: 'disconnect', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'exit', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        prependListener(event: 'message', listener: (message: Serializable, sendHandle: SendHandle) => void): this;
+        prependListener(event: 'spawn', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        prependOnceListener(event: 'disconnect', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'exit', listener: (code: number | null, signal: NodeJS.Signals | null) => void): this;
+        prependOnceListener(event: 'message', listener: (message: Serializable, sendHandle: SendHandle) => void): this;
+        prependOnceListener(event: 'spawn', listener: () => void): this;
+    }
+    // return this object when stdio option is undefined or not specified
+    interface ChildProcessWithoutNullStreams extends ChildProcess {
+        stdin: Writable;
+        stdout: Readable;
+        stderr: Readable;
+        readonly stdio: [
+            Writable,
+            Readable,
+            Readable,
+            // stderr
+            Readable | Writable | null | undefined,
+            // extra, no modification
+            Readable | Writable | null | undefined // extra, no modification
+        ];
+    }
+    // return this object when stdio option is a tuple of 3
+    interface ChildProcessByStdio<I extends null | Writable, O extends null | Readable, E extends null | Readable> extends ChildProcess {
+        stdin: I;
+        stdout: O;
+        stderr: E;
+        readonly stdio: [
+            I,
+            O,
+            E,
+            Readable | Writable | null | undefined,
+            // extra, no modification
+            Readable | Writable | null | undefined // extra, no modification
+        ];
+    }
+    interface MessageOptions {
+        keepOpen?: boolean | undefined;
+    }
+    type IOType = 'overlapped' | 'pipe' | 'ignore' | 'inherit';
+    type StdioOptions = IOType | Array<IOType | 'ipc' | Stream | number | null | undefined>;
+    type SerializationType = 'json' | 'advanced';
+    interface MessagingOptions extends Abortable {
+        /**
+         * Specify the kind of serialization used for sending messages between processes.
+         * @default 'json'
+         */
+        serialization?: SerializationType | undefined;
+        /**
+         * The signal value to be used when the spawned process will be killed by the abort signal.
+         * @default 'SIGTERM'
+         */
+        killSignal?: NodeJS.Signals | number | undefined;
+        /**
+         * In milliseconds the maximum amount of time the process is allowed to run.
+         */
+        timeout?: number | undefined;
+    }
+    interface ProcessEnvOptions {
+        uid?: number | undefined;
+        gid?: number | undefined;
+        cwd?: string | URL | undefined;
+        env?: NodeJS.ProcessEnv | undefined;
+    }
+    interface CommonOptions extends ProcessEnvOptions {
+        /**
+         * @default true
+         */
+        windowsHide?: boolean | undefined;
+        /**
+         * @default 0
+         */
+        timeout?: number | undefined;
+    }
+    interface CommonSpawnOptions extends CommonOptions, MessagingOptions, Abortable {
+        argv0?: string | undefined;
+        stdio?: StdioOptions | undefined;
+        shell?: boolean | string | undefined;
+        windowsVerbatimArguments?: boolean | undefined;
+    }
+    interface SpawnOptions extends CommonSpawnOptions {
+        detached?: boolean | undefined;
+    }
+    interface SpawnOptionsWithoutStdio extends SpawnOptions {
+        stdio?: StdioPipeNamed | StdioPipe[] | undefined;
+    }
+    type StdioNull = 'inherit' | 'ignore' | Stream;
+    type StdioPipeNamed = 'pipe' | 'overlapped';
+    type StdioPipe = undefined | null | StdioPipeNamed;
+    interface SpawnOptionsWithStdioTuple<Stdin extends StdioNull | StdioPipe, Stdout extends StdioNull | StdioPipe, Stderr extends StdioNull | StdioPipe> extends SpawnOptions {
+        stdio: [Stdin, Stdout, Stderr];
+    }
+    /**
+     * The `child_process.spawn()` method spawns a new process using the given`command`, with command-line arguments in `args`. If omitted, `args` defaults
+     * to an empty array.
+     *
+     * **If the `shell` option is enabled, do not pass unsanitized user input to this**
+     * **function. Any input containing shell metacharacters may be used to trigger**
+     * **arbitrary command execution.**
+     *
+     * A third argument may be used to specify additional options, with these defaults:
+     *
+     * ```js
+     * const defaults = {
+     *   cwd: undefined,
+     *   env: process.env
+     * };
+     * ```
+     *
+     * Use `cwd` to specify the working directory from which the process is spawned.
+     * If not given, the default is to inherit the current working directory. If given,
+     * but the path does not exist, the child process emits an `ENOENT` error
+     * and exits immediately. `ENOENT` is also emitted when the command
+     * does not exist.
+     *
+     * Use `env` to specify environment variables that will be visible to the new
+     * process, the default is `process.env`.
+     *
+     * `undefined` values in `env` will be ignored.
+     *
+     * Example of running `ls -lh /usr`, capturing `stdout`, `stderr`, and the
+     * exit code:
+     *
+     * ```js
+     * const { spawn } = require('child_process');
+     * const ls = spawn('ls', ['-lh', '/usr']);
+     *
+     * ls.stdout.on('data', (data) => {
+     *   console.log(`stdout: ${data}`);
+     * });
+     *
+     * ls.stderr.on('data', (data) => {
+     *   console.error(`stderr: ${data}`);
+     * });
+     *
+     * ls.on('close', (code) => {
+     *   console.log(`child process exited with code ${code}`);
+     * });
+     * ```
+     *
+     * Example: A very elaborate way to run `ps ax | grep ssh`
+     *
+     * ```js
+     * const { spawn } = require('child_process');
+     * const ps = spawn('ps', ['ax']);
+     * const grep = spawn('grep', ['ssh']);
+     *
+     * ps.stdout.on('data', (data) => {
+     *   grep.stdin.write(data);
+     * });
+     *
+     * ps.stderr.on('data', (data) => {
+     *   console.error(`ps stderr: ${data}`);
+     * });
+     *
+     * ps.on('close', (code) => {
+     *   if (code !== 0) {
+     *     console.log(`ps process exited with code ${code}`);
+     *   }
+     *   grep.stdin.end();
+     * });
+     *
+     * grep.stdout.on('data', (data) => {
+     *   console.log(data.toString());
+     * });
+     *
+     * grep.stderr.on('data', (data) => {
+     *   console.error(`grep stderr: ${data}`);
+     * });
+     *
+     * grep.on('close', (code) => {
+     *   if (code !== 0) {
+     *     console.log(`grep process exited with code ${code}`);
+     *   }
+     * });
+     * ```
+     *
+     * Example of checking for failed `spawn`:
+     *
+     * ```js
+     * const { spawn } = require('child_process');
+     * const subprocess = spawn('bad_command');
+     *
+     * subprocess.on('error', (err) => {
+     *   console.error('Failed to start subprocess.');
+     * });
+     * ```
+     *
+     * Certain platforms (macOS, Linux) will use the value of `argv[0]` for the process
+     * title while others (Windows, SunOS) will use `command`.
+     *
+     * Node.js currently overwrites `argv[0]` with `process.execPath` on startup, so`process.argv[0]` in a Node.js child process will not match the `argv0`parameter passed to `spawn` from the parent,
+     * retrieve it with the`process.argv0` property instead.
+     *
+     * If the `signal` option is enabled, calling `.abort()` on the corresponding`AbortController` is similar to calling `.kill()` on the child process except
+     * the error passed to the callback will be an `AbortError`:
+     *
+     * ```js
+     * const { spawn } = require('child_process');
+     * const controller = new AbortController();
+     * const { signal } = controller;
+     * const grep = spawn('grep', ['ssh'], { signal });
+     * grep.on('error', (err) => {
+     *   // This will be called with err being an AbortError if the controller aborts
+     * });
+     * controller.abort(); // Stops the child process
+     * ```
+     * @since v0.1.90
+     * @param command The command to run.
+     * @param args List of string arguments.
+     */
+    function spawn(command: string, options?: SpawnOptionsWithoutStdio): ChildProcessWithoutNullStreams;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioPipe, StdioPipe>): ChildProcessByStdio<Writable, Readable, Readable>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioPipe, StdioNull>): ChildProcessByStdio<Writable, Readable, null>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioNull, StdioPipe>): ChildProcessByStdio<Writable, null, Readable>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioNull, StdioPipe, StdioPipe>): ChildProcessByStdio<null, Readable, Readable>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioNull, StdioNull>): ChildProcessByStdio<Writable, null, null>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioNull, StdioPipe, StdioNull>): ChildProcessByStdio<null, Readable, null>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioNull, StdioNull, StdioPipe>): ChildProcessByStdio<null, null, Readable>;
+    function spawn(command: string, options: SpawnOptionsWithStdioTuple<StdioNull, StdioNull, StdioNull>): ChildProcessByStdio<null, null, null>;
+    function spawn(command: string, options: SpawnOptions): ChildProcess;
+    // overloads of spawn with 'args'
+    function spawn(command: string, args?: ReadonlyArray<string>, options?: SpawnOptionsWithoutStdio): ChildProcessWithoutNullStreams;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioPipe, StdioPipe>): ChildProcessByStdio<Writable, Readable, Readable>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioPipe, StdioNull>): ChildProcessByStdio<Writable, Readable, null>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioNull, StdioPipe>): ChildProcessByStdio<Writable, null, Readable>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioNull, StdioPipe, StdioPipe>): ChildProcessByStdio<null, Readable, Readable>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioPipe, StdioNull, StdioNull>): ChildProcessByStdio<Writable, null, null>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioNull, StdioPipe, StdioNull>): ChildProcessByStdio<null, Readable, null>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioNull, StdioNull, StdioPipe>): ChildProcessByStdio<null, null, Readable>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptionsWithStdioTuple<StdioNull, StdioNull, StdioNull>): ChildProcessByStdio<null, null, null>;
+    function spawn(command: string, args: ReadonlyArray<string>, options: SpawnOptions): ChildProcess;
+    interface ExecOptions extends CommonOptions {
+        shell?: string | undefined;
+        signal?: AbortSignal | undefined;
+        maxBuffer?: number | undefined;
+        killSignal?: NodeJS.Signals | number | undefined;
+    }
+    interface ExecOptionsWithStringEncoding extends ExecOptions {
+        encoding: BufferEncoding;
+    }
+    interface ExecOptionsWithBufferEncoding extends ExecOptions {
+        encoding: BufferEncoding | null; // specify `null`.
+    }
+    interface ExecException extends Error {
+        cmd?: string | undefined;
+        killed?: boolean | undefined;
+        code?: number | undefined;
+        signal?: NodeJS.Signals | undefined;
+    }
+    /**
+     * Spawns a shell then executes the `command` within that shell, buffering any
+     * generated output. The `command` string passed to the exec function is processed
+     * directly by the shell and special characters (vary based on [shell](https://en.wikipedia.org/wiki/List_of_command-line_interpreters))
+     * need to be dealt with accordingly:
+     *
+     * ```js
+     * const { exec } = require('child_process');
+     *
+     * exec('"/path/to/test file/test.sh" arg1 arg2');
+     * // Double quotes are used so that the space in the path is not interpreted as
+     * // a delimiter of multiple arguments.
+     *
+     * exec('echo "The \\$HOME variable is $HOME"');
+     * // The $HOME variable is escaped in the first instance, but not in the second.
+     * ```
+     *
+     * **Never pass unsanitized user input to this function. Any input containing shell**
+     * **metacharacters may be used to trigger arbitrary command execution.**
+     *
+     * If a `callback` function is provided, it is called with the arguments`(error, stdout, stderr)`. On success, `error` will be `null`. On error,`error` will be an instance of `Error`. The
+     * `error.code` property will be
+     * the exit code of the process. By convention, any exit code other than `0`indicates an error. `error.signal` will be the signal that terminated the
+     * process.
+     *
+     * The `stdout` and `stderr` arguments passed to the callback will contain the
+     * stdout and stderr output of the child process. By default, Node.js will decode
+     * the output as UTF-8 and pass strings to the callback. The `encoding` option
+     * can be used to specify the character encoding used to decode the stdout and
+     * stderr output. If `encoding` is `'buffer'`, or an unrecognized character
+     * encoding, `Buffer` objects will be passed to the callback instead.
+     *
+     * ```js
+     * const { exec } = require('child_process');
+     * exec('cat *.js missing_file | wc -l', (error, stdout, stderr) => {
+     *   if (error) {
+     *     console.error(`exec error: ${error}`);
+     *     return;
+     *   }
+     *   console.log(`stdout: ${stdout}`);
+     *   console.error(`stderr: ${stderr}`);
+     * });
+     * ```
+     *
+     * If `timeout` is greater than `0`, the parent will send the signal
+     * identified by the `killSignal` property (the default is `'SIGTERM'`) if the
+     * child runs longer than `timeout` milliseconds.
+     *
+     * Unlike the [`exec(3)`](http://man7.org/linux/man-pages/man3/exec.3.html) POSIX system call, `child_process.exec()` does not replace
+     * the existing process and uses a shell to execute the command.
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns
+     * a `Promise` for an `Object` with `stdout` and `stderr` properties. The returned`ChildProcess` instance is attached to the `Promise` as a `child` property. In
+     * case of an error (including any error resulting in an exit code other than 0), a
+     * rejected promise is returned, with the same `error` object given in the
+     * callback, but with two additional properties `stdout` and `stderr`.
+     *
+     * ```js
+     * const util = require('util');
+     * const exec = util.promisify(require('child_process').exec);
+     *
+     * async function lsExample() {
+     *   const { stdout, stderr } = await exec('ls');
+     *   console.log('stdout:', stdout);
+     *   console.error('stderr:', stderr);
+     * }
+     * lsExample();
+     * ```
+     *
+     * If the `signal` option is enabled, calling `.abort()` on the corresponding`AbortController` is similar to calling `.kill()` on the child process except
+     * the error passed to the callback will be an `AbortError`:
+     *
+     * ```js
+     * const { exec } = require('child_process');
+     * const controller = new AbortController();
+     * const { signal } = controller;
+     * const child = exec('grep ssh', { signal }, (error) => {
+     *   console.log(error); // an AbortError
+     * });
+     * controller.abort();
+     * ```
+     * @since v0.1.90
+     * @param command The command to run, with space-separated arguments.
+     * @param callback called with the output when process terminates.
+     */
+    function exec(command: string, callback?: (error: ExecException | null, stdout: string, stderr: string) => void): ChildProcess;
+    // `options` with `"buffer"` or `null` for `encoding` means stdout/stderr are definitely `Buffer`.
+    function exec(
+        command: string,
+        options: {
+            encoding: 'buffer' | null;
+        } & ExecOptions,
+        callback?: (error: ExecException | null, stdout: Buffer, stderr: Buffer) => void
+    ): ChildProcess;
+    // `options` with well known `encoding` means stdout/stderr are definitely `string`.
+    function exec(
+        command: string,
+        options: {
+            encoding: BufferEncoding;
+        } & ExecOptions,
+        callback?: (error: ExecException | null, stdout: string, stderr: string) => void
+    ): ChildProcess;
+    // `options` with an `encoding` whose type is `string` means stdout/stderr could either be `Buffer` or `string`.
+    // There is no guarantee the `encoding` is unknown as `string` is a superset of `BufferEncoding`.
+    function exec(
+        command: string,
+        options: {
+            encoding: BufferEncoding;
+        } & ExecOptions,
+        callback?: (error: ExecException | null, stdout: string | Buffer, stderr: string | Buffer) => void
+    ): ChildProcess;
+    // `options` without an `encoding` means stdout/stderr are definitely `string`.
+    function exec(command: string, options: ExecOptions, callback?: (error: ExecException | null, stdout: string, stderr: string) => void): ChildProcess;
+    // fallback if nothing else matches. Worst case is always `string | Buffer`.
+    function exec(
+        command: string,
+        options: (ObjectEncodingOptions & ExecOptions) | undefined | null,
+        callback?: (error: ExecException | null, stdout: string | Buffer, stderr: string | Buffer) => void
+    ): ChildProcess;
+    interface PromiseWithChild<T> extends Promise<T> {
+        child: ChildProcess;
+    }
+    namespace exec {
+        function __promisify__(command: string): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            command: string,
+            options: {
+                encoding: 'buffer' | null;
+            } & ExecOptions
+        ): PromiseWithChild<{
+            stdout: Buffer;
+            stderr: Buffer;
+        }>;
+        function __promisify__(
+            command: string,
+            options: {
+                encoding: BufferEncoding;
+            } & ExecOptions
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            command: string,
+            options: ExecOptions
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            command: string,
+            options?: (ObjectEncodingOptions & ExecOptions) | null
+        ): PromiseWithChild<{
+            stdout: string | Buffer;
+            stderr: string | Buffer;
+        }>;
+    }
+    interface ExecFileOptions extends CommonOptions, Abortable {
+        maxBuffer?: number | undefined;
+        killSignal?: NodeJS.Signals | number | undefined;
+        windowsVerbatimArguments?: boolean | undefined;
+        shell?: boolean | string | undefined;
+        signal?: AbortSignal | undefined;
+    }
+    interface ExecFileOptionsWithStringEncoding extends ExecFileOptions {
+        encoding: BufferEncoding;
+    }
+    interface ExecFileOptionsWithBufferEncoding extends ExecFileOptions {
+        encoding: 'buffer' | null;
+    }
+    interface ExecFileOptionsWithOtherEncoding extends ExecFileOptions {
+        encoding: BufferEncoding;
+    }
+    type ExecFileException = ExecException & NodeJS.ErrnoException;
+    /**
+     * The `child_process.execFile()` function is similar to {@link exec} except that it does not spawn a shell by default. Rather, the specified
+     * executable `file` is spawned directly as a new process making it slightly more
+     * efficient than {@link exec}.
+     *
+     * The same options as {@link exec} are supported. Since a shell is
+     * not spawned, behaviors such as I/O redirection and file globbing are not
+     * supported.
+     *
+     * ```js
+     * const { execFile } = require('child_process');
+     * const child = execFile('node', ['--version'], (error, stdout, stderr) => {
+     *   if (error) {
+     *     throw error;
+     *   }
+     *   console.log(stdout);
+     * });
+     * ```
+     *
+     * The `stdout` and `stderr` arguments passed to the callback will contain the
+     * stdout and stderr output of the child process. By default, Node.js will decode
+     * the output as UTF-8 and pass strings to the callback. The `encoding` option
+     * can be used to specify the character encoding used to decode the stdout and
+     * stderr output. If `encoding` is `'buffer'`, or an unrecognized character
+     * encoding, `Buffer` objects will be passed to the callback instead.
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns
+     * a `Promise` for an `Object` with `stdout` and `stderr` properties. The returned`ChildProcess` instance is attached to the `Promise` as a `child` property. In
+     * case of an error (including any error resulting in an exit code other than 0), a
+     * rejected promise is returned, with the same `error` object given in the
+     * callback, but with two additional properties `stdout` and `stderr`.
+     *
+     * ```js
+     * const util = require('util');
+     * const execFile = util.promisify(require('child_process').execFile);
+     * async function getVersion() {
+     *   const { stdout } = await execFile('node', ['--version']);
+     *   console.log(stdout);
+     * }
+     * getVersion();
+     * ```
+     *
+     * **If the `shell` option is enabled, do not pass unsanitized user input to this**
+     * **function. Any input containing shell metacharacters may be used to trigger**
+     * **arbitrary command execution.**
+     *
+     * If the `signal` option is enabled, calling `.abort()` on the corresponding`AbortController` is similar to calling `.kill()` on the child process except
+     * the error passed to the callback will be an `AbortError`:
+     *
+     * ```js
+     * const { execFile } = require('child_process');
+     * const controller = new AbortController();
+     * const { signal } = controller;
+     * const child = execFile('node', ['--version'], { signal }, (error) => {
+     *   console.log(error); // an AbortError
+     * });
+     * controller.abort();
+     * ```
+     * @since v0.1.91
+     * @param file The name or path of the executable file to run.
+     * @param args List of string arguments.
+     * @param callback Called with the output when process terminates.
+     */
+    function execFile(file: string): ChildProcess;
+    function execFile(file: string, options: (ObjectEncodingOptions & ExecFileOptions) | undefined | null): ChildProcess;
+    function execFile(file: string, args?: ReadonlyArray<string> | null): ChildProcess;
+    function execFile(file: string, args: ReadonlyArray<string> | undefined | null, options: (ObjectEncodingOptions & ExecFileOptions) | undefined | null): ChildProcess;
+    // no `options` definitely means stdout/stderr are `string`.
+    function execFile(file: string, callback: (error: ExecFileException | null, stdout: string, stderr: string) => void): ChildProcess;
+    function execFile(file: string, args: ReadonlyArray<string> | undefined | null, callback: (error: ExecFileException | null, stdout: string, stderr: string) => void): ChildProcess;
+    // `options` with `"buffer"` or `null` for `encoding` means stdout/stderr are definitely `Buffer`.
+    function execFile(file: string, options: ExecFileOptionsWithBufferEncoding, callback: (error: ExecFileException | null, stdout: Buffer, stderr: Buffer) => void): ChildProcess;
+    function execFile(
+        file: string,
+        args: ReadonlyArray<string> | undefined | null,
+        options: ExecFileOptionsWithBufferEncoding,
+        callback: (error: ExecFileException | null, stdout: Buffer, stderr: Buffer) => void
+    ): ChildProcess;
+    // `options` with well known `encoding` means stdout/stderr are definitely `string`.
+    function execFile(file: string, options: ExecFileOptionsWithStringEncoding, callback: (error: ExecFileException | null, stdout: string, stderr: string) => void): ChildProcess;
+    function execFile(
+        file: string,
+        args: ReadonlyArray<string> | undefined | null,
+        options: ExecFileOptionsWithStringEncoding,
+        callback: (error: ExecFileException | null, stdout: string, stderr: string) => void
+    ): ChildProcess;
+    // `options` with an `encoding` whose type is `string` means stdout/stderr could either be `Buffer` or `string`.
+    // There is no guarantee the `encoding` is unknown as `string` is a superset of `BufferEncoding`.
+    function execFile(file: string, options: ExecFileOptionsWithOtherEncoding, callback: (error: ExecFileException | null, stdout: string | Buffer, stderr: string | Buffer) => void): ChildProcess;
+    function execFile(
+        file: string,
+        args: ReadonlyArray<string> | undefined | null,
+        options: ExecFileOptionsWithOtherEncoding,
+        callback: (error: ExecFileException | null, stdout: string | Buffer, stderr: string | Buffer) => void
+    ): ChildProcess;
+    // `options` without an `encoding` means stdout/stderr are definitely `string`.
+    function execFile(file: string, options: ExecFileOptions, callback: (error: ExecFileException | null, stdout: string, stderr: string) => void): ChildProcess;
+    function execFile(
+        file: string,
+        args: ReadonlyArray<string> | undefined | null,
+        options: ExecFileOptions,
+        callback: (error: ExecFileException | null, stdout: string, stderr: string) => void
+    ): ChildProcess;
+    // fallback if nothing else matches. Worst case is always `string | Buffer`.
+    function execFile(
+        file: string,
+        options: (ObjectEncodingOptions & ExecFileOptions) | undefined | null,
+        callback: ((error: ExecFileException | null, stdout: string | Buffer, stderr: string | Buffer) => void) | undefined | null
+    ): ChildProcess;
+    function execFile(
+        file: string,
+        args: ReadonlyArray<string> | undefined | null,
+        options: (ObjectEncodingOptions & ExecFileOptions) | undefined | null,
+        callback: ((error: ExecFileException | null, stdout: string | Buffer, stderr: string | Buffer) => void) | undefined | null
+    ): ChildProcess;
+    namespace execFile {
+        function __promisify__(file: string): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            file: string,
+            args: ReadonlyArray<string> | undefined | null
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            file: string,
+            options: ExecFileOptionsWithBufferEncoding
+        ): PromiseWithChild<{
+            stdout: Buffer;
+            stderr: Buffer;
+        }>;
+        function __promisify__(
+            file: string,
+            args: ReadonlyArray<string> | undefined | null,
+            options: ExecFileOptionsWithBufferEncoding
+        ): PromiseWithChild<{
+            stdout: Buffer;
+            stderr: Buffer;
+        }>;
+        function __promisify__(
+            file: string,
+            options: ExecFileOptionsWithStringEncoding
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            file: string,
+            args: ReadonlyArray<string> | undefined | null,
+            options: ExecFileOptionsWithStringEncoding
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            file: string,
+            options: ExecFileOptionsWithOtherEncoding
+        ): PromiseWithChild<{
+            stdout: string | Buffer;
+            stderr: string | Buffer;
+        }>;
+        function __promisify__(
+            file: string,
+            args: ReadonlyArray<string> | undefined | null,
+            options: ExecFileOptionsWithOtherEncoding
+        ): PromiseWithChild<{
+            stdout: string | Buffer;
+            stderr: string | Buffer;
+        }>;
+        function __promisify__(
+            file: string,
+            options: ExecFileOptions
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            file: string,
+            args: ReadonlyArray<string> | undefined | null,
+            options: ExecFileOptions
+        ): PromiseWithChild<{
+            stdout: string;
+            stderr: string;
+        }>;
+        function __promisify__(
+            file: string,
+            options: (ObjectEncodingOptions & ExecFileOptions) | undefined | null
+        ): PromiseWithChild<{
+            stdout: string | Buffer;
+            stderr: string | Buffer;
+        }>;
+        function __promisify__(
+            file: string,
+            args: ReadonlyArray<string> | undefined | null,
+            options: (ObjectEncodingOptions & ExecFileOptions) | undefined | null
+        ): PromiseWithChild<{
+            stdout: string | Buffer;
+            stderr: string | Buffer;
+        }>;
+    }
+    interface ForkOptions extends ProcessEnvOptions, MessagingOptions, Abortable {
+        execPath?: string | undefined;
+        execArgv?: string[] | undefined;
+        silent?: boolean | undefined;
+        stdio?: StdioOptions | undefined;
+        detached?: boolean | undefined;
+        windowsVerbatimArguments?: boolean | undefined;
+    }
+    /**
+     * The `child_process.fork()` method is a special case of {@link spawn} used specifically to spawn new Node.js processes.
+     * Like {@link spawn}, a `ChildProcess` object is returned. The
+     * returned `ChildProcess` will have an additional communication channel
+     * built-in that allows messages to be passed back and forth between the parent and
+     * child. See `subprocess.send()` for details.
+     *
+     * Keep in mind that spawned Node.js child processes are
+     * independent of the parent with exception of the IPC communication channel
+     * that is established between the two. Each process has its own memory, with
+     * their own V8 instances. Because of the additional resource allocations
+     * required, spawning a large number of child Node.js processes is not
+     * recommended.
+     *
+     * By default, `child_process.fork()` will spawn new Node.js instances using the `process.execPath` of the parent process. The `execPath` property in the`options` object allows for an alternative
+     * execution path to be used.
+     *
+     * Node.js processes launched with a custom `execPath` will communicate with the
+     * parent process using the file descriptor (fd) identified using the
+     * environment variable `NODE_CHANNEL_FD` on the child process.
+     *
+     * Unlike the [`fork(2)`](http://man7.org/linux/man-pages/man2/fork.2.html) POSIX system call, `child_process.fork()` does not clone the
+     * current process.
+     *
+     * The `shell` option available in {@link spawn} is not supported by`child_process.fork()` and will be ignored if set.
+     *
+     * If the `signal` option is enabled, calling `.abort()` on the corresponding`AbortController` is similar to calling `.kill()` on the child process except
+     * the error passed to the callback will be an `AbortError`:
+     *
+     * ```js
+     * if (process.argv[2] === 'child') {
+     *   setTimeout(() => {
+     *     console.log(`Hello from ${process.argv[2]}!`);
+     *   }, 1_000);
+     * } else {
+     *   const { fork } = require('child_process');
+     *   const controller = new AbortController();
+     *   const { signal } = controller;
+     *   const child = fork(__filename, ['child'], { signal });
+     *   child.on('error', (err) => {
+     *     // This will be called with err being an AbortError if the controller aborts
+     *   });
+     *   controller.abort(); // Stops the child process
+     * }
+     * ```
+     * @since v0.5.0
+     * @param modulePath The module to run in the child.
+     * @param args List of string arguments.
+     */
+    function fork(modulePath: string, options?: ForkOptions): ChildProcess;
+    function fork(modulePath: string, args?: ReadonlyArray<string>, options?: ForkOptions): ChildProcess;
+    interface SpawnSyncOptions extends CommonSpawnOptions {
+        input?: string | NodeJS.ArrayBufferView | undefined;
+        maxBuffer?: number | undefined;
+        encoding?: BufferEncoding | 'buffer' | null | undefined;
+    }
+    interface SpawnSyncOptionsWithStringEncoding extends SpawnSyncOptions {
+        encoding: BufferEncoding;
+    }
+    interface SpawnSyncOptionsWithBufferEncoding extends SpawnSyncOptions {
+        encoding?: 'buffer' | null | undefined;
+    }
+    interface SpawnSyncReturns<T> {
+        pid: number;
+        output: Array<T | null>;
+        stdout: T;
+        stderr: T;
+        status: number | null;
+        signal: NodeJS.Signals | null;
+        error?: Error | undefined;
+    }
+    /**
+     * The `child_process.spawnSync()` method is generally identical to {@link spawn} with the exception that the function will not return
+     * until the child process has fully closed. When a timeout has been encountered
+     * and `killSignal` is sent, the method won't return until the process has
+     * completely exited. If the process intercepts and handles the `SIGTERM` signal
+     * and doesn't exit, the parent process will wait until the child process has
+     * exited.
+     *
+     * **If the `shell` option is enabled, do not pass unsanitized user input to this**
+     * **function. Any input containing shell metacharacters may be used to trigger**
+     * **arbitrary command execution.**
+     * @since v0.11.12
+     * @param command The command to run.
+     * @param args List of string arguments.
+     */
+    function spawnSync(command: string): SpawnSyncReturns<Buffer>;
+    function spawnSync(command: string, options: SpawnSyncOptionsWithStringEncoding): SpawnSyncReturns<string>;
+    function spawnSync(command: string, options: SpawnSyncOptionsWithBufferEncoding): SpawnSyncReturns<Buffer>;
+    function spawnSync(command: string, options?: SpawnSyncOptions): SpawnSyncReturns<string | Buffer>;
+    function spawnSync(command: string, args: ReadonlyArray<string>): SpawnSyncReturns<Buffer>;
+    function spawnSync(command: string, args: ReadonlyArray<string>, options: SpawnSyncOptionsWithStringEncoding): SpawnSyncReturns<string>;
+    function spawnSync(command: string, args: ReadonlyArray<string>, options: SpawnSyncOptionsWithBufferEncoding): SpawnSyncReturns<Buffer>;
+    function spawnSync(command: string, args?: ReadonlyArray<string>, options?: SpawnSyncOptions): SpawnSyncReturns<string | Buffer>;
+    interface CommonExecOptions extends CommonOptions {
+        input?: string | NodeJS.ArrayBufferView | undefined;
+        stdio?: StdioOptions | undefined;
+        killSignal?: NodeJS.Signals | number | undefined;
+        maxBuffer?: number | undefined;
+        encoding?: BufferEncoding | 'buffer' | null | undefined;
+    }
+    interface ExecSyncOptions extends CommonExecOptions {
+        shell?: string | undefined;
+    }
+    interface ExecSyncOptionsWithStringEncoding extends ExecSyncOptions {
+        encoding: BufferEncoding;
+    }
+    interface ExecSyncOptionsWithBufferEncoding extends ExecSyncOptions {
+        encoding?: 'buffer' | null | undefined;
+    }
+    /**
+     * The `child_process.execSync()` method is generally identical to {@link exec} with the exception that the method will not return
+     * until the child process has fully closed. When a timeout has been encountered
+     * and `killSignal` is sent, the method won't return until the process has
+     * completely exited. If the child process intercepts and handles the `SIGTERM`signal and doesn't exit, the parent process will wait until the child process
+     * has exited.
+     *
+     * If the process times out or has a non-zero exit code, this method will throw.
+     * The `Error` object will contain the entire result from {@link spawnSync}.
+     *
+     * **Never pass unsanitized user input to this function. Any input containing shell**
+     * **metacharacters may be used to trigger arbitrary command execution.**
+     * @since v0.11.12
+     * @param command The command to run.
+     * @return The stdout from the command.
+     */
+    function execSync(command: string): Buffer;
+    function execSync(command: string, options: ExecSyncOptionsWithStringEncoding): string;
+    function execSync(command: string, options: ExecSyncOptionsWithBufferEncoding): Buffer;
+    function execSync(command: string, options?: ExecSyncOptions): string | Buffer;
+    interface ExecFileSyncOptions extends CommonExecOptions {
+        shell?: boolean | string | undefined;
+    }
+    interface ExecFileSyncOptionsWithStringEncoding extends ExecFileSyncOptions {
+        encoding: BufferEncoding;
+    }
+    interface ExecFileSyncOptionsWithBufferEncoding extends ExecFileSyncOptions {
+        encoding?: 'buffer' | null; // specify `null`.
+    }
+    /**
+     * The `child_process.execFileSync()` method is generally identical to {@link execFile} with the exception that the method will not
+     * return until the child process has fully closed. When a timeout has been
+     * encountered and `killSignal` is sent, the method won't return until the process
+     * has completely exited.
+     *
+     * If the child process intercepts and handles the `SIGTERM` signal and
+     * does not exit, the parent process will still wait until the child process has
+     * exited.
+     *
+     * If the process times out or has a non-zero exit code, this method will throw an `Error` that will include the full result of the underlying {@link spawnSync}.
+     *
+     * **If the `shell` option is enabled, do not pass unsanitized user input to this**
+     * **function. Any input containing shell metacharacters may be used to trigger**
+     * **arbitrary command execution.**
+     * @since v0.11.12
+     * @param file The name or path of the executable file to run.
+     * @param args List of string arguments.
+     * @return The stdout from the command.
+     */
+    function execFileSync(file: string): Buffer;
+    function execFileSync(file: string, options: ExecFileSyncOptionsWithStringEncoding): string;
+    function execFileSync(file: string, options: ExecFileSyncOptionsWithBufferEncoding): Buffer;
+    function execFileSync(file: string, options?: ExecFileSyncOptions): string | Buffer;
+    function execFileSync(file: string, args: ReadonlyArray<string>): Buffer;
+    function execFileSync(file: string, args: ReadonlyArray<string>, options: ExecFileSyncOptionsWithStringEncoding): string;
+    function execFileSync(file: string, args: ReadonlyArray<string>, options: ExecFileSyncOptionsWithBufferEncoding): Buffer;
+    function execFileSync(file: string, args?: ReadonlyArray<string>, options?: ExecFileSyncOptions): string | Buffer;
+}
+declare module 'node:child_process' {
+    export * from 'child_process';
+}
diff --git a/node_modules/@types/node/ts4.8/cluster.d.ts b/node_modules/@types/node/ts4.8/cluster.d.ts
new file mode 100644
index 000000000..37dbc5746
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/cluster.d.ts
@@ -0,0 +1,410 @@
+/**
+ * Clusters of Node.js processes can be used to run multiple instances of Node.js
+ * that can distribute workloads among their application threads. When process
+ * isolation is not needed, use the `worker_threads` module instead, which
+ * allows running multiple application threads within a single Node.js instance.
+ *
+ * The cluster module allows easy creation of child processes that all share
+ * server ports.
+ *
+ * ```js
+ * import cluster from 'cluster';
+ * import http from 'http';
+ * import { cpus } from 'os';
+ * import process from 'process';
+ *
+ * const numCPUs = cpus().length;
+ *
+ * if (cluster.isPrimary) {
+ *   console.log(`Primary ${process.pid} is running`);
+ *
+ *   // Fork workers.
+ *   for (let i = 0; i < numCPUs; i++) {
+ *     cluster.fork();
+ *   }
+ *
+ *   cluster.on('exit', (worker, code, signal) => {
+ *     console.log(`worker ${worker.process.pid} died`);
+ *   });
+ * } else {
+ *   // Workers can share any TCP connection
+ *   // In this case it is an HTTP server
+ *   http.createServer((req, res) => {
+ *     res.writeHead(200);
+ *     res.end('hello world\n');
+ *   }).listen(8000);
+ *
+ *   console.log(`Worker ${process.pid} started`);
+ * }
+ * ```
+ *
+ * Running Node.js will now share port 8000 between the workers:
+ *
+ * ```console
+ * $ node server.js
+ * Primary 3596 is running
+ * Worker 4324 started
+ * Worker 4520 started
+ * Worker 6056 started
+ * Worker 5644 started
+ * ```
+ *
+ * On Windows, it is not yet possible to set up a named pipe server in a worker.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/cluster.js)
+ */
+declare module 'cluster' {
+    import * as child from 'node:child_process';
+    import EventEmitter = require('node:events');
+    import * as net from 'node:net';
+    export interface ClusterSettings {
+        execArgv?: string[] | undefined; // default: process.execArgv
+        exec?: string | undefined;
+        args?: string[] | undefined;
+        silent?: boolean | undefined;
+        stdio?: any[] | undefined;
+        uid?: number | undefined;
+        gid?: number | undefined;
+        inspectPort?: number | (() => number) | undefined;
+    }
+    export interface Address {
+        address: string;
+        port: number;
+        addressType: number | 'udp4' | 'udp6'; // 4, 6, -1, "udp4", "udp6"
+    }
+    /**
+     * A `Worker` object contains all public information and method about a worker.
+     * In the primary it can be obtained using `cluster.workers`. In a worker
+     * it can be obtained using `cluster.worker`.
+     * @since v0.7.0
+     */
+    export class Worker extends EventEmitter {
+        /**
+         * Each new worker is given its own unique id, this id is stored in the`id`.
+         *
+         * While a worker is alive, this is the key that indexes it in`cluster.workers`.
+         * @since v0.8.0
+         */
+        id: number;
+        /**
+         * All workers are created using `child_process.fork()`, the returned object
+         * from this function is stored as `.process`. In a worker, the global `process`is stored.
+         *
+         * See: `Child Process module`.
+         *
+         * Workers will call `process.exit(0)` if the `'disconnect'` event occurs
+         * on `process` and `.exitedAfterDisconnect` is not `true`. This protects against
+         * accidental disconnection.
+         * @since v0.7.0
+         */
+        process: child.ChildProcess;
+        /**
+         * Send a message to a worker or primary, optionally with a handle.
+         *
+         * In the primary, this sends a message to a specific worker. It is identical to `ChildProcess.send()`.
+         *
+         * In a worker, this sends a message to the primary. It is identical to`process.send()`.
+         *
+         * This example will echo back all messages from the primary:
+         *
+         * ```js
+         * if (cluster.isPrimary) {
+         *   const worker = cluster.fork();
+         *   worker.send('hi there');
+         *
+         * } else if (cluster.isWorker) {
+         *   process.on('message', (msg) => {
+         *     process.send(msg);
+         *   });
+         * }
+         * ```
+         * @since v0.7.0
+         * @param options The `options` argument, if present, is an object used to parameterize the sending of certain types of handles. `options` supports the following properties:
+         */
+        send(message: child.Serializable, callback?: (error: Error | null) => void): boolean;
+        send(message: child.Serializable, sendHandle: child.SendHandle, callback?: (error: Error | null) => void): boolean;
+        send(message: child.Serializable, sendHandle: child.SendHandle, options?: child.MessageOptions, callback?: (error: Error | null) => void): boolean;
+        /**
+         * This function will kill the worker. In the primary worker, it does this by
+         * disconnecting the `worker.process`, and once disconnected, killing with`signal`. In the worker, it does it by killing the process with `signal`.
+         *
+         * The `kill()` function kills the worker process without waiting for a graceful
+         * disconnect, it has the same behavior as `worker.process.kill()`.
+         *
+         * This method is aliased as `worker.destroy()` for backwards compatibility.
+         *
+         * In a worker, `process.kill()` exists, but it is not this function;
+         * it is `kill()`.
+         * @since v0.9.12
+         * @param [signal='SIGTERM'] Name of the kill signal to send to the worker process.
+         */
+        kill(signal?: string): void;
+        destroy(signal?: string): void;
+        /**
+         * In a worker, this function will close all servers, wait for the `'close'` event
+         * on those servers, and then disconnect the IPC channel.
+         *
+         * In the primary, an internal message is sent to the worker causing it to call`.disconnect()` on itself.
+         *
+         * Causes `.exitedAfterDisconnect` to be set.
+         *
+         * After a server is closed, it will no longer accept new connections,
+         * but connections may be accepted by any other listening worker. Existing
+         * connections will be allowed to close as usual. When no more connections exist,
+         * see `server.close()`, the IPC channel to the worker will close allowing it
+         * to die gracefully.
+         *
+         * The above applies _only_ to server connections, client connections are not
+         * automatically closed by workers, and disconnect does not wait for them to close
+         * before exiting.
+         *
+         * In a worker, `process.disconnect` exists, but it is not this function;
+         * it is `disconnect()`.
+         *
+         * Because long living server connections may block workers from disconnecting, it
+         * may be useful to send a message, so application specific actions may be taken to
+         * close them. It also may be useful to implement a timeout, killing a worker if
+         * the `'disconnect'` event has not been emitted after some time.
+         *
+         * ```js
+         * if (cluster.isPrimary) {
+         *   const worker = cluster.fork();
+         *   let timeout;
+         *
+         *   worker.on('listening', (address) => {
+         *     worker.send('shutdown');
+         *     worker.disconnect();
+         *     timeout = setTimeout(() => {
+         *       worker.kill();
+         *     }, 2000);
+         *   });
+         *
+         *   worker.on('disconnect', () => {
+         *     clearTimeout(timeout);
+         *   });
+         *
+         * } else if (cluster.isWorker) {
+         *   const net = require('net');
+         *   const server = net.createServer((socket) => {
+         *     // Connections never end
+         *   });
+         *
+         *   server.listen(8000);
+         *
+         *   process.on('message', (msg) => {
+         *     if (msg === 'shutdown') {
+         *       // Initiate graceful close of any connections to server
+         *     }
+         *   });
+         * }
+         * ```
+         * @since v0.7.7
+         * @return A reference to `worker`.
+         */
+        disconnect(): void;
+        /**
+         * This function returns `true` if the worker is connected to its primary via its
+         * IPC channel, `false` otherwise. A worker is connected to its primary after it
+         * has been created. It is disconnected after the `'disconnect'` event is emitted.
+         * @since v0.11.14
+         */
+        isConnected(): boolean;
+        /**
+         * This function returns `true` if the worker's process has terminated (either
+         * because of exiting or being signaled). Otherwise, it returns `false`.
+         *
+         * ```js
+         * import cluster from 'cluster';
+         * import http from 'http';
+         * import { cpus } from 'os';
+         * import process from 'process';
+         *
+         * const numCPUs = cpus().length;
+         *
+         * if (cluster.isPrimary) {
+         *   console.log(`Primary ${process.pid} is running`);
+         *
+         *   // Fork workers.
+         *   for (let i = 0; i < numCPUs; i++) {
+         *     cluster.fork();
+         *   }
+         *
+         *   cluster.on('fork', (worker) => {
+         *     console.log('worker is dead:', worker.isDead());
+         *   });
+         *
+         *   cluster.on('exit', (worker, code, signal) => {
+         *     console.log('worker is dead:', worker.isDead());
+         *   });
+         * } else {
+         *   // Workers can share any TCP connection. In this case, it is an HTTP server.
+         *   http.createServer((req, res) => {
+         *     res.writeHead(200);
+         *     res.end(`Current process\n ${process.pid}`);
+         *     process.kill(process.pid);
+         *   }).listen(8000);
+         * }
+         * ```
+         * @since v0.11.14
+         */
+        isDead(): boolean;
+        /**
+         * This property is `true` if the worker exited due to `.disconnect()`.
+         * If the worker exited any other way, it is `false`. If the
+         * worker has not exited, it is `undefined`.
+         *
+         * The boolean `worker.exitedAfterDisconnect` allows distinguishing between
+         * voluntary and accidental exit, the primary may choose not to respawn a worker
+         * based on this value.
+         *
+         * ```js
+         * cluster.on('exit', (worker, code, signal) => {
+         *   if (worker.exitedAfterDisconnect === true) {
+         *     console.log('Oh, it was just voluntary – no need to worry');
+         *   }
+         * });
+         *
+         * // kill worker
+         * worker.kill();
+         * ```
+         * @since v6.0.0
+         */
+        exitedAfterDisconnect: boolean;
+        /**
+         * events.EventEmitter
+         *   1. disconnect
+         *   2. error
+         *   3. exit
+         *   4. listening
+         *   5. message
+         *   6. online
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'disconnect', listener: () => void): this;
+        addListener(event: 'error', listener: (error: Error) => void): this;
+        addListener(event: 'exit', listener: (code: number, signal: string) => void): this;
+        addListener(event: 'listening', listener: (address: Address) => void): this;
+        addListener(event: 'message', listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        addListener(event: 'online', listener: () => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'disconnect'): boolean;
+        emit(event: 'error', error: Error): boolean;
+        emit(event: 'exit', code: number, signal: string): boolean;
+        emit(event: 'listening', address: Address): boolean;
+        emit(event: 'message', message: any, handle: net.Socket | net.Server): boolean;
+        emit(event: 'online'): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'disconnect', listener: () => void): this;
+        on(event: 'error', listener: (error: Error) => void): this;
+        on(event: 'exit', listener: (code: number, signal: string) => void): this;
+        on(event: 'listening', listener: (address: Address) => void): this;
+        on(event: 'message', listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        on(event: 'online', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'disconnect', listener: () => void): this;
+        once(event: 'error', listener: (error: Error) => void): this;
+        once(event: 'exit', listener: (code: number, signal: string) => void): this;
+        once(event: 'listening', listener: (address: Address) => void): this;
+        once(event: 'message', listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        once(event: 'online', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'disconnect', listener: () => void): this;
+        prependListener(event: 'error', listener: (error: Error) => void): this;
+        prependListener(event: 'exit', listener: (code: number, signal: string) => void): this;
+        prependListener(event: 'listening', listener: (address: Address) => void): this;
+        prependListener(event: 'message', listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        prependListener(event: 'online', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'disconnect', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (error: Error) => void): this;
+        prependOnceListener(event: 'exit', listener: (code: number, signal: string) => void): this;
+        prependOnceListener(event: 'listening', listener: (address: Address) => void): this;
+        prependOnceListener(event: 'message', listener: (message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        prependOnceListener(event: 'online', listener: () => void): this;
+    }
+    export interface Cluster extends EventEmitter {
+        disconnect(callback?: () => void): void;
+        fork(env?: any): Worker;
+        /** @deprecated since v16.0.0 - use isPrimary. */
+        readonly isMaster: boolean;
+        readonly isPrimary: boolean;
+        readonly isWorker: boolean;
+        schedulingPolicy: number;
+        readonly settings: ClusterSettings;
+        /** @deprecated since v16.0.0 - use setupPrimary. */
+        setupMaster(settings?: ClusterSettings): void;
+        /**
+         * `setupPrimary` is used to change the default 'fork' behavior. Once called, the settings will be present in cluster.settings.
+         */
+        setupPrimary(settings?: ClusterSettings): void;
+        readonly worker?: Worker | undefined;
+        readonly workers?: NodeJS.Dict<Worker> | undefined;
+        readonly SCHED_NONE: number;
+        readonly SCHED_RR: number;
+        /**
+         * events.EventEmitter
+         *   1. disconnect
+         *   2. exit
+         *   3. fork
+         *   4. listening
+         *   5. message
+         *   6. online
+         *   7. setup
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'disconnect', listener: (worker: Worker) => void): this;
+        addListener(event: 'exit', listener: (worker: Worker, code: number, signal: string) => void): this;
+        addListener(event: 'fork', listener: (worker: Worker) => void): this;
+        addListener(event: 'listening', listener: (worker: Worker, address: Address) => void): this;
+        addListener(event: 'message', listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        addListener(event: 'online', listener: (worker: Worker) => void): this;
+        addListener(event: 'setup', listener: (settings: ClusterSettings) => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'disconnect', worker: Worker): boolean;
+        emit(event: 'exit', worker: Worker, code: number, signal: string): boolean;
+        emit(event: 'fork', worker: Worker): boolean;
+        emit(event: 'listening', worker: Worker, address: Address): boolean;
+        emit(event: 'message', worker: Worker, message: any, handle: net.Socket | net.Server): boolean;
+        emit(event: 'online', worker: Worker): boolean;
+        emit(event: 'setup', settings: ClusterSettings): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'disconnect', listener: (worker: Worker) => void): this;
+        on(event: 'exit', listener: (worker: Worker, code: number, signal: string) => void): this;
+        on(event: 'fork', listener: (worker: Worker) => void): this;
+        on(event: 'listening', listener: (worker: Worker, address: Address) => void): this;
+        on(event: 'message', listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        on(event: 'online', listener: (worker: Worker) => void): this;
+        on(event: 'setup', listener: (settings: ClusterSettings) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'disconnect', listener: (worker: Worker) => void): this;
+        once(event: 'exit', listener: (worker: Worker, code: number, signal: string) => void): this;
+        once(event: 'fork', listener: (worker: Worker) => void): this;
+        once(event: 'listening', listener: (worker: Worker, address: Address) => void): this;
+        once(event: 'message', listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): this; // the handle is a net.Socket or net.Server object, or undefined.
+        once(event: 'online', listener: (worker: Worker) => void): this;
+        once(event: 'setup', listener: (settings: ClusterSettings) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'disconnect', listener: (worker: Worker) => void): this;
+        prependListener(event: 'exit', listener: (worker: Worker, code: number, signal: string) => void): this;
+        prependListener(event: 'fork', listener: (worker: Worker) => void): this;
+        prependListener(event: 'listening', listener: (worker: Worker, address: Address) => void): this;
+        // the handle is a net.Socket or net.Server object, or undefined.
+        prependListener(event: 'message', listener: (worker: Worker, message: any, handle?: net.Socket | net.Server) => void): this;
+        prependListener(event: 'online', listener: (worker: Worker) => void): this;
+        prependListener(event: 'setup', listener: (settings: ClusterSettings) => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'disconnect', listener: (worker: Worker) => void): this;
+        prependOnceListener(event: 'exit', listener: (worker: Worker, code: number, signal: string) => void): this;
+        prependOnceListener(event: 'fork', listener: (worker: Worker) => void): this;
+        prependOnceListener(event: 'listening', listener: (worker: Worker, address: Address) => void): this;
+        // the handle is a net.Socket or net.Server object, or undefined.
+        prependOnceListener(event: 'message', listener: (worker: Worker, message: any, handle: net.Socket | net.Server) => void): this;
+        prependOnceListener(event: 'online', listener: (worker: Worker) => void): this;
+        prependOnceListener(event: 'setup', listener: (settings: ClusterSettings) => void): this;
+    }
+    const cluster: Cluster;
+    export default cluster;
+}
+declare module 'node:cluster' {
+    export * from 'cluster';
+    export { default as default } from 'cluster';
+}
diff --git a/node_modules/@types/node/ts4.8/console.d.ts b/node_modules/@types/node/ts4.8/console.d.ts
new file mode 100644
index 000000000..16c9137ad
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/console.d.ts
@@ -0,0 +1,412 @@
+/**
+ * The `console` module provides a simple debugging console that is similar to the
+ * JavaScript console mechanism provided by web browsers.
+ *
+ * The module exports two specific components:
+ *
+ * * A `Console` class with methods such as `console.log()`, `console.error()` and`console.warn()` that can be used to write to any Node.js stream.
+ * * A global `console` instance configured to write to `process.stdout` and `process.stderr`. The global `console` can be used without calling`require('console')`.
+ *
+ * _**Warning**_: The global console object's methods are neither consistently
+ * synchronous like the browser APIs they resemble, nor are they consistently
+ * asynchronous like all other Node.js streams. See the `note on process I/O` for
+ * more information.
+ *
+ * Example using the global `console`:
+ *
+ * ```js
+ * console.log('hello world');
+ * // Prints: hello world, to stdout
+ * console.log('hello %s', 'world');
+ * // Prints: hello world, to stdout
+ * console.error(new Error('Whoops, something bad happened'));
+ * // Prints error message and stack trace to stderr:
+ * //   Error: Whoops, something bad happened
+ * //     at [eval]:5:15
+ * //     at Script.runInThisContext (node:vm:132:18)
+ * //     at Object.runInThisContext (node:vm:309:38)
+ * //     at node:internal/process/execution:77:19
+ * //     at [eval]-wrapper:6:22
+ * //     at evalScript (node:internal/process/execution:76:60)
+ * //     at node:internal/main/eval_string:23:3
+ *
+ * const name = 'Will Robinson';
+ * console.warn(`Danger ${name}! Danger!`);
+ * // Prints: Danger Will Robinson! Danger!, to stderr
+ * ```
+ *
+ * Example using the `Console` class:
+ *
+ * ```js
+ * const out = getStreamSomehow();
+ * const err = getStreamSomehow();
+ * const myConsole = new console.Console(out, err);
+ *
+ * myConsole.log('hello world');
+ * // Prints: hello world, to out
+ * myConsole.log('hello %s', 'world');
+ * // Prints: hello world, to out
+ * myConsole.error(new Error('Whoops, something bad happened'));
+ * // Prints: [Error: Whoops, something bad happened], to err
+ *
+ * const name = 'Will Robinson';
+ * myConsole.warn(`Danger ${name}! Danger!`);
+ * // Prints: Danger Will Robinson! Danger!, to err
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/console.js)
+ */
+declare module 'console' {
+    import console = require('node:console');
+    export = console;
+}
+declare module 'node:console' {
+    import { InspectOptions } from 'node:util';
+    global {
+        // This needs to be global to avoid TS2403 in case lib.dom.d.ts is present in the same build
+        interface Console {
+            Console: console.ConsoleConstructor;
+            /**
+             * `console.assert()` writes a message if `value` is [falsy](https://developer.mozilla.org/en-US/docs/Glossary/Falsy) or omitted. It only
+             * writes a message and does not otherwise affect execution. The output always
+             * starts with `"Assertion failed"`. If provided, `message` is formatted using `util.format()`.
+             *
+             * If `value` is [truthy](https://developer.mozilla.org/en-US/docs/Glossary/Truthy), nothing happens.
+             *
+             * ```js
+             * console.assert(true, 'does nothing');
+             *
+             * console.assert(false, 'Whoops %s work', 'didn\'t');
+             * // Assertion failed: Whoops didn't work
+             *
+             * console.assert();
+             * // Assertion failed
+             * ```
+             * @since v0.1.101
+             * @param value The value tested for being truthy.
+             * @param message All arguments besides `value` are used as error message.
+             */
+            assert(value: any, message?: string, ...optionalParams: any[]): void;
+            /**
+             * When `stdout` is a TTY, calling `console.clear()` will attempt to clear the
+             * TTY. When `stdout` is not a TTY, this method does nothing.
+             *
+             * The specific operation of `console.clear()` can vary across operating systems
+             * and terminal types. For most Linux operating systems, `console.clear()`operates similarly to the `clear` shell command. On Windows, `console.clear()`will clear only the output in the
+             * current terminal viewport for the Node.js
+             * binary.
+             * @since v8.3.0
+             */
+            clear(): void;
+            /**
+             * Maintains an internal counter specific to `label` and outputs to `stdout` the
+             * number of times `console.count()` has been called with the given `label`.
+             *
+             * ```js
+             * > console.count()
+             * default: 1
+             * undefined
+             * > console.count('default')
+             * default: 2
+             * undefined
+             * > console.count('abc')
+             * abc: 1
+             * undefined
+             * > console.count('xyz')
+             * xyz: 1
+             * undefined
+             * > console.count('abc')
+             * abc: 2
+             * undefined
+             * > console.count()
+             * default: 3
+             * undefined
+             * >
+             * ```
+             * @since v8.3.0
+             * @param label The display label for the counter.
+             */
+            count(label?: string): void;
+            /**
+             * Resets the internal counter specific to `label`.
+             *
+             * ```js
+             * > console.count('abc');
+             * abc: 1
+             * undefined
+             * > console.countReset('abc');
+             * undefined
+             * > console.count('abc');
+             * abc: 1
+             * undefined
+             * >
+             * ```
+             * @since v8.3.0
+             * @param label The display label for the counter.
+             */
+            countReset(label?: string): void;
+            /**
+             * The `console.debug()` function is an alias for {@link log}.
+             * @since v8.0.0
+             */
+            debug(message?: any, ...optionalParams: any[]): void;
+            /**
+             * Uses `util.inspect()` on `obj` and prints the resulting string to `stdout`.
+             * This function bypasses any custom `inspect()` function defined on `obj`.
+             * @since v0.1.101
+             */
+            dir(obj: any, options?: InspectOptions): void;
+            /**
+             * This method calls `console.log()` passing it the arguments received.
+             * This method does not produce any XML formatting.
+             * @since v8.0.0
+             */
+            dirxml(...data: any[]): void;
+            /**
+             * Prints to `stderr` with newline. Multiple arguments can be passed, with the
+             * first used as the primary message and all additional used as substitution
+             * values similar to [`printf(3)`](http://man7.org/linux/man-pages/man3/printf.3.html) (the arguments are all passed to `util.format()`).
+             *
+             * ```js
+             * const code = 5;
+             * console.error('error #%d', code);
+             * // Prints: error #5, to stderr
+             * console.error('error', code);
+             * // Prints: error 5, to stderr
+             * ```
+             *
+             * If formatting elements (e.g. `%d`) are not found in the first string then `util.inspect()` is called on each argument and the resulting string
+             * values are concatenated. See `util.format()` for more information.
+             * @since v0.1.100
+             */
+            error(message?: any, ...optionalParams: any[]): void;
+            /**
+             * Increases indentation of subsequent lines by spaces for `groupIndentation`length.
+             *
+             * If one or more `label`s are provided, those are printed first without the
+             * additional indentation.
+             * @since v8.5.0
+             */
+            group(...label: any[]): void;
+            /**
+             * An alias for {@link group}.
+             * @since v8.5.0
+             */
+            groupCollapsed(...label: any[]): void;
+            /**
+             * Decreases indentation of subsequent lines by spaces for `groupIndentation`length.
+             * @since v8.5.0
+             */
+            groupEnd(): void;
+            /**
+             * The `console.info()` function is an alias for {@link log}.
+             * @since v0.1.100
+             */
+            info(message?: any, ...optionalParams: any[]): void;
+            /**
+             * Prints to `stdout` with newline. Multiple arguments can be passed, with the
+             * first used as the primary message and all additional used as substitution
+             * values similar to [`printf(3)`](http://man7.org/linux/man-pages/man3/printf.3.html) (the arguments are all passed to `util.format()`).
+             *
+             * ```js
+             * const count = 5;
+             * console.log('count: %d', count);
+             * // Prints: count: 5, to stdout
+             * console.log('count:', count);
+             * // Prints: count: 5, to stdout
+             * ```
+             *
+             * See `util.format()` for more information.
+             * @since v0.1.100
+             */
+            log(message?: any, ...optionalParams: any[]): void;
+            /**
+             * Try to construct a table with the columns of the properties of `tabularData`(or use `properties`) and rows of `tabularData` and log it. Falls back to just
+             * logging the argument if it can’t be parsed as tabular.
+             *
+             * ```js
+             * // These can't be parsed as tabular data
+             * console.table(Symbol());
+             * // Symbol()
+             *
+             * console.table(undefined);
+             * // undefined
+             *
+             * console.table([{ a: 1, b: 'Y' }, { a: 'Z', b: 2 }]);
+             * // ┌─────────┬─────┬─────┐
+             * // │ (index) │  a  │  b  │
+             * // ├─────────┼─────┼─────┤
+             * // │    0    │  1  │ 'Y' │
+             * // │    1    │ 'Z' │  2  │
+             * // └─────────┴─────┴─────┘
+             *
+             * console.table([{ a: 1, b: 'Y' }, { a: 'Z', b: 2 }], ['a']);
+             * // ┌─────────┬─────┐
+             * // │ (index) │  a  │
+             * // ├─────────┼─────┤
+             * // │    0    │  1  │
+             * // │    1    │ 'Z' │
+             * // └─────────┴─────┘
+             * ```
+             * @since v10.0.0
+             * @param properties Alternate properties for constructing the table.
+             */
+            table(tabularData: any, properties?: ReadonlyArray<string>): void;
+            /**
+             * Starts a timer that can be used to compute the duration of an operation. Timers
+             * are identified by a unique `label`. Use the same `label` when calling {@link timeEnd} to stop the timer and output the elapsed time in
+             * suitable time units to `stdout`. For example, if the elapsed
+             * time is 3869ms, `console.timeEnd()` displays "3.869s".
+             * @since v0.1.104
+             */
+            time(label?: string): void;
+            /**
+             * Stops a timer that was previously started by calling {@link time} and
+             * prints the result to `stdout`:
+             *
+             * ```js
+             * console.time('100-elements');
+             * for (let i = 0; i < 100; i++) {}
+             * console.timeEnd('100-elements');
+             * // prints 100-elements: 225.438ms
+             * ```
+             * @since v0.1.104
+             */
+            timeEnd(label?: string): void;
+            /**
+             * For a timer that was previously started by calling {@link time}, prints
+             * the elapsed time and other `data` arguments to `stdout`:
+             *
+             * ```js
+             * console.time('process');
+             * const value = expensiveProcess1(); // Returns 42
+             * console.timeLog('process', value);
+             * // Prints "process: 365.227ms 42".
+             * doExpensiveProcess2(value);
+             * console.timeEnd('process');
+             * ```
+             * @since v10.7.0
+             */
+            timeLog(label?: string, ...data: any[]): void;
+            /**
+             * Prints to `stderr` the string `'Trace: '`, followed by the `util.format()` formatted message and stack trace to the current position in the code.
+             *
+             * ```js
+             * console.trace('Show me');
+             * // Prints: (stack trace will vary based on where trace is called)
+             * //  Trace: Show me
+             * //    at repl:2:9
+             * //    at REPLServer.defaultEval (repl.js:248:27)
+             * //    at bound (domain.js:287:14)
+             * //    at REPLServer.runBound [as eval] (domain.js:300:12)
+             * //    at REPLServer.<anonymous> (repl.js:412:12)
+             * //    at emitOne (events.js:82:20)
+             * //    at REPLServer.emit (events.js:169:7)
+             * //    at REPLServer.Interface._onLine (readline.js:210:10)
+             * //    at REPLServer.Interface._line (readline.js:549:8)
+             * //    at REPLServer.Interface._ttyWrite (readline.js:826:14)
+             * ```
+             * @since v0.1.104
+             */
+            trace(message?: any, ...optionalParams: any[]): void;
+            /**
+             * The `console.warn()` function is an alias for {@link error}.
+             * @since v0.1.100
+             */
+            warn(message?: any, ...optionalParams: any[]): void;
+            // --- Inspector mode only ---
+            /**
+             * This method does not display anything unless used in the inspector.
+             *  Starts a JavaScript CPU profile with an optional label.
+             */
+            profile(label?: string): void;
+            /**
+             * This method does not display anything unless used in the inspector.
+             *  Stops the current JavaScript CPU profiling session if one has been started and prints the report to the Profiles panel of the inspector.
+             */
+            profileEnd(label?: string): void;
+            /**
+             * This method does not display anything unless used in the inspector.
+             *  Adds an event with the label `label` to the Timeline panel of the inspector.
+             */
+            timeStamp(label?: string): void;
+        }
+        /**
+         * The `console` module provides a simple debugging console that is similar to the
+         * JavaScript console mechanism provided by web browsers.
+         *
+         * The module exports two specific components:
+         *
+         * * A `Console` class with methods such as `console.log()`, `console.error()` and`console.warn()` that can be used to write to any Node.js stream.
+         * * A global `console` instance configured to write to `process.stdout` and `process.stderr`. The global `console` can be used without calling`require('console')`.
+         *
+         * _**Warning**_: The global console object's methods are neither consistently
+         * synchronous like the browser APIs they resemble, nor are they consistently
+         * asynchronous like all other Node.js streams. See the `note on process I/O` for
+         * more information.
+         *
+         * Example using the global `console`:
+         *
+         * ```js
+         * console.log('hello world');
+         * // Prints: hello world, to stdout
+         * console.log('hello %s', 'world');
+         * // Prints: hello world, to stdout
+         * console.error(new Error('Whoops, something bad happened'));
+         * // Prints error message and stack trace to stderr:
+         * //   Error: Whoops, something bad happened
+         * //     at [eval]:5:15
+         * //     at Script.runInThisContext (node:vm:132:18)
+         * //     at Object.runInThisContext (node:vm:309:38)
+         * //     at node:internal/process/execution:77:19
+         * //     at [eval]-wrapper:6:22
+         * //     at evalScript (node:internal/process/execution:76:60)
+         * //     at node:internal/main/eval_string:23:3
+         *
+         * const name = 'Will Robinson';
+         * console.warn(`Danger ${name}! Danger!`);
+         * // Prints: Danger Will Robinson! Danger!, to stderr
+         * ```
+         *
+         * Example using the `Console` class:
+         *
+         * ```js
+         * const out = getStreamSomehow();
+         * const err = getStreamSomehow();
+         * const myConsole = new console.Console(out, err);
+         *
+         * myConsole.log('hello world');
+         * // Prints: hello world, to out
+         * myConsole.log('hello %s', 'world');
+         * // Prints: hello world, to out
+         * myConsole.error(new Error('Whoops, something bad happened'));
+         * // Prints: [Error: Whoops, something bad happened], to err
+         *
+         * const name = 'Will Robinson';
+         * myConsole.warn(`Danger ${name}! Danger!`);
+         * // Prints: Danger Will Robinson! Danger!, to err
+         * ```
+         * @see [source](https://github.com/nodejs/node/blob/v16.4.2/lib/console.js)
+         */
+        namespace console {
+            interface ConsoleConstructorOptions {
+                stdout: NodeJS.WritableStream;
+                stderr?: NodeJS.WritableStream | undefined;
+                ignoreErrors?: boolean | undefined;
+                colorMode?: boolean | 'auto' | undefined;
+                inspectOptions?: InspectOptions | undefined;
+                /**
+                 * Set group indentation
+                 * @default 2
+                 */
+                groupIndentation?: number | undefined;
+            }
+            interface ConsoleConstructor {
+                prototype: Console;
+                new (stdout: NodeJS.WritableStream, stderr?: NodeJS.WritableStream, ignoreErrors?: boolean): Console;
+                new (options: ConsoleConstructorOptions): Console;
+            }
+        }
+        var console: Console;
+    }
+    export = globalThis.console;
+}
diff --git a/node_modules/@types/node/ts4.8/constants.d.ts b/node_modules/@types/node/ts4.8/constants.d.ts
new file mode 100644
index 000000000..208020dcb
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/constants.d.ts
@@ -0,0 +1,18 @@
+/** @deprecated since v6.3.0 - use constants property exposed by the relevant module instead. */
+declare module 'constants' {
+    import { constants as osConstants, SignalConstants } from 'node:os';
+    import { constants as cryptoConstants } from 'node:crypto';
+    import { constants as fsConstants } from 'node:fs';
+
+    const exp: typeof osConstants.errno &
+        typeof osConstants.priority &
+        SignalConstants &
+        typeof cryptoConstants &
+        typeof fsConstants;
+    export = exp;
+}
+
+declare module 'node:constants' {
+    import constants = require('constants');
+    export = constants;
+}
diff --git a/node_modules/@types/node/ts4.8/crypto.d.ts b/node_modules/@types/node/ts4.8/crypto.d.ts
new file mode 100644
index 000000000..6135090b0
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/crypto.d.ts
@@ -0,0 +1,3961 @@
+/**
+ * The `crypto` module provides cryptographic functionality that includes a set of
+ * wrappers for OpenSSL's hash, HMAC, cipher, decipher, sign, and verify functions.
+ *
+ * ```js
+ * const { createHmac } = await import('crypto');
+ *
+ * const secret = 'abcdefg';
+ * const hash = createHmac('sha256', secret)
+ *                .update('I love cupcakes')
+ *                .digest('hex');
+ * console.log(hash);
+ * // Prints:
+ * //   c0fa1bc00531bd78ef38c628449c5102aeabd49b5dc3a2a516ea6ea959d6658e
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/crypto.js)
+ */
+declare module 'crypto' {
+    import * as stream from 'node:stream';
+    import { PeerCertificate } from 'node:tls';
+    /**
+     * SPKAC is a Certificate Signing Request mechanism originally implemented by
+     * Netscape and was specified formally as part of [HTML5's `keygen` element](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/keygen).
+     *
+     * `<keygen>` is deprecated since [HTML 5.2](https://www.w3.org/TR/html52/changes.html#features-removed) and new projects
+     * should not use this element anymore.
+     *
+     * The `crypto` module provides the `Certificate` class for working with SPKAC
+     * data. The most common usage is handling output generated by the HTML5`<keygen>` element. Node.js uses [OpenSSL's SPKAC
+     * implementation](https://www.openssl.org/docs/man1.1.0/apps/openssl-spkac.html) internally.
+     * @since v0.11.8
+     */
+    class Certificate {
+        /**
+         * ```js
+         * const { Certificate } = await import('crypto');
+         * const spkac = getSpkacSomehow();
+         * const challenge = Certificate.exportChallenge(spkac);
+         * console.log(challenge.toString('utf8'));
+         * // Prints: the challenge as a UTF8 string
+         * ```
+         * @since v9.0.0
+         * @param encoding The `encoding` of the `spkac` string.
+         * @return The challenge component of the `spkac` data structure, which includes a public key and a challenge.
+         */
+        static exportChallenge(spkac: BinaryLike): Buffer;
+        /**
+         * ```js
+         * const { Certificate } = await import('crypto');
+         * const spkac = getSpkacSomehow();
+         * const publicKey = Certificate.exportPublicKey(spkac);
+         * console.log(publicKey);
+         * // Prints: the public key as <Buffer ...>
+         * ```
+         * @since v9.0.0
+         * @param encoding The `encoding` of the `spkac` string.
+         * @return The public key component of the `spkac` data structure, which includes a public key and a challenge.
+         */
+        static exportPublicKey(spkac: BinaryLike, encoding?: string): Buffer;
+        /**
+         * ```js
+         * import { Buffer } from 'buffer';
+         * const { Certificate } = await import('crypto');
+         *
+         * const spkac = getSpkacSomehow();
+         * console.log(Certificate.verifySpkac(Buffer.from(spkac)));
+         * // Prints: true or false
+         * ```
+         * @since v9.0.0
+         * @param encoding The `encoding` of the `spkac` string.
+         * @return `true` if the given `spkac` data structure is valid, `false` otherwise.
+         */
+        static verifySpkac(spkac: NodeJS.ArrayBufferView): boolean;
+        /**
+         * @deprecated
+         * @param spkac
+         * @returns The challenge component of the `spkac` data structure,
+         * which includes a public key and a challenge.
+         */
+        exportChallenge(spkac: BinaryLike): Buffer;
+        /**
+         * @deprecated
+         * @param spkac
+         * @param encoding The encoding of the spkac string.
+         * @returns The public key component of the `spkac` data structure,
+         * which includes a public key and a challenge.
+         */
+        exportPublicKey(spkac: BinaryLike, encoding?: string): Buffer;
+        /**
+         * @deprecated
+         * @param spkac
+         * @returns `true` if the given `spkac` data structure is valid,
+         * `false` otherwise.
+         */
+        verifySpkac(spkac: NodeJS.ArrayBufferView): boolean;
+    }
+    namespace constants {
+        // https://nodejs.org/dist/latest-v10.x/docs/api/crypto.html#crypto_crypto_constants
+        const OPENSSL_VERSION_NUMBER: number;
+        /** Applies multiple bug workarounds within OpenSSL. See https://www.openssl.org/docs/man1.0.2/ssl/SSL_CTX_set_options.html for detail. */
+        const SSL_OP_ALL: number;
+        /** Allows legacy insecure renegotiation between OpenSSL and unpatched clients or servers. See https://www.openssl.org/docs/man1.0.2/ssl/SSL_CTX_set_options.html. */
+        const SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION: number;
+        /** Attempts to use the server's preferences instead of the client's when selecting a cipher. See https://www.openssl.org/docs/man1.0.2/ssl/SSL_CTX_set_options.html. */
+        const SSL_OP_CIPHER_SERVER_PREFERENCE: number;
+        /** Instructs OpenSSL to use Cisco's "speshul" version of DTLS_BAD_VER. */
+        const SSL_OP_CISCO_ANYCONNECT: number;
+        /** Instructs OpenSSL to turn on cookie exchange. */
+        const SSL_OP_COOKIE_EXCHANGE: number;
+        /** Instructs OpenSSL to add server-hello extension from an early version of the cryptopro draft. */
+        const SSL_OP_CRYPTOPRO_TLSEXT_BUG: number;
+        /** Instructs OpenSSL to disable a SSL 3.0/TLS 1.0 vulnerability workaround added in OpenSSL 0.9.6d. */
+        const SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS: number;
+        /** Instructs OpenSSL to always use the tmp_rsa key when performing RSA operations. */
+        const SSL_OP_EPHEMERAL_RSA: number;
+        /** Allows initial connection to servers that do not support RI. */
+        const SSL_OP_LEGACY_SERVER_CONNECT: number;
+        const SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER: number;
+        const SSL_OP_MICROSOFT_SESS_ID_BUG: number;
+        /** Instructs OpenSSL to disable the workaround for a man-in-the-middle protocol-version vulnerability in the SSL 2.0 server implementation. */
+        const SSL_OP_MSIE_SSLV2_RSA_PADDING: number;
+        const SSL_OP_NETSCAPE_CA_DN_BUG: number;
+        const SSL_OP_NETSCAPE_CHALLENGE_BUG: number;
+        const SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG: number;
+        const SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG: number;
+        /** Instructs OpenSSL to disable support for SSL/TLS compression. */
+        const SSL_OP_NO_COMPRESSION: number;
+        const SSL_OP_NO_QUERY_MTU: number;
+        /** Instructs OpenSSL to always start a new session when performing renegotiation. */
+        const SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION: number;
+        const SSL_OP_NO_SSLv2: number;
+        const SSL_OP_NO_SSLv3: number;
+        const SSL_OP_NO_TICKET: number;
+        const SSL_OP_NO_TLSv1: number;
+        const SSL_OP_NO_TLSv1_1: number;
+        const SSL_OP_NO_TLSv1_2: number;
+        const SSL_OP_PKCS1_CHECK_1: number;
+        const SSL_OP_PKCS1_CHECK_2: number;
+        /** Instructs OpenSSL to always create a new key when using temporary/ephemeral DH parameters. */
+        const SSL_OP_SINGLE_DH_USE: number;
+        /** Instructs OpenSSL to always create a new key when using temporary/ephemeral ECDH parameters. */
+        const SSL_OP_SINGLE_ECDH_USE: number;
+        const SSL_OP_SSLEAY_080_CLIENT_DH_BUG: number;
+        const SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG: number;
+        const SSL_OP_TLS_BLOCK_PADDING_BUG: number;
+        const SSL_OP_TLS_D5_BUG: number;
+        /** Instructs OpenSSL to disable version rollback attack detection. */
+        const SSL_OP_TLS_ROLLBACK_BUG: number;
+        const ENGINE_METHOD_RSA: number;
+        const ENGINE_METHOD_DSA: number;
+        const ENGINE_METHOD_DH: number;
+        const ENGINE_METHOD_RAND: number;
+        const ENGINE_METHOD_EC: number;
+        const ENGINE_METHOD_CIPHERS: number;
+        const ENGINE_METHOD_DIGESTS: number;
+        const ENGINE_METHOD_PKEY_METHS: number;
+        const ENGINE_METHOD_PKEY_ASN1_METHS: number;
+        const ENGINE_METHOD_ALL: number;
+        const ENGINE_METHOD_NONE: number;
+        const DH_CHECK_P_NOT_SAFE_PRIME: number;
+        const DH_CHECK_P_NOT_PRIME: number;
+        const DH_UNABLE_TO_CHECK_GENERATOR: number;
+        const DH_NOT_SUITABLE_GENERATOR: number;
+        const ALPN_ENABLED: number;
+        const RSA_PKCS1_PADDING: number;
+        const RSA_SSLV23_PADDING: number;
+        const RSA_NO_PADDING: number;
+        const RSA_PKCS1_OAEP_PADDING: number;
+        const RSA_X931_PADDING: number;
+        const RSA_PKCS1_PSS_PADDING: number;
+        /** Sets the salt length for RSA_PKCS1_PSS_PADDING to the digest size when signing or verifying. */
+        const RSA_PSS_SALTLEN_DIGEST: number;
+        /** Sets the salt length for RSA_PKCS1_PSS_PADDING to the maximum permissible value when signing data. */
+        const RSA_PSS_SALTLEN_MAX_SIGN: number;
+        /** Causes the salt length for RSA_PKCS1_PSS_PADDING to be determined automatically when verifying a signature. */
+        const RSA_PSS_SALTLEN_AUTO: number;
+        const POINT_CONVERSION_COMPRESSED: number;
+        const POINT_CONVERSION_UNCOMPRESSED: number;
+        const POINT_CONVERSION_HYBRID: number;
+        /** Specifies the built-in default cipher list used by Node.js (colon-separated values). */
+        const defaultCoreCipherList: string;
+        /** Specifies the active default cipher list used by the current Node.js process  (colon-separated values). */
+        const defaultCipherList: string;
+    }
+    interface HashOptions extends stream.TransformOptions {
+        /**
+         * For XOF hash functions such as `shake256`, the
+         * outputLength option can be used to specify the desired output length in bytes.
+         */
+        outputLength?: number | undefined;
+    }
+    /** @deprecated since v10.0.0 */
+    const fips: boolean;
+    /**
+     * Creates and returns a `Hash` object that can be used to generate hash digests
+     * using the given `algorithm`. Optional `options` argument controls stream
+     * behavior. For XOF hash functions such as `'shake256'`, the `outputLength` option
+     * can be used to specify the desired output length in bytes.
+     *
+     * The `algorithm` is dependent on the available algorithms supported by the
+     * version of OpenSSL on the platform. Examples are `'sha256'`, `'sha512'`, etc.
+     * On recent releases of OpenSSL, `openssl list -digest-algorithms` will
+     * display the available digest algorithms.
+     *
+     * Example: generating the sha256 sum of a file
+     *
+     * ```js
+     * import {
+     *   createReadStream
+     * } from 'fs';
+     * import { argv } from 'process';
+     * const {
+     *   createHash
+     * } = await import('crypto');
+     *
+     * const filename = argv[2];
+     *
+     * const hash = createHash('sha256');
+     *
+     * const input = createReadStream(filename);
+     * input.on('readable', () => {
+     *   // Only one element is going to be produced by the
+     *   // hash stream.
+     *   const data = input.read();
+     *   if (data)
+     *     hash.update(data);
+     *   else {
+     *     console.log(`${hash.digest('hex')} ${filename}`);
+     *   }
+     * });
+     * ```
+     * @since v0.1.92
+     * @param options `stream.transform` options
+     */
+    function createHash(algorithm: string, options?: HashOptions): Hash;
+    /**
+     * Creates and returns an `Hmac` object that uses the given `algorithm` and `key`.
+     * Optional `options` argument controls stream behavior.
+     *
+     * The `algorithm` is dependent on the available algorithms supported by the
+     * version of OpenSSL on the platform. Examples are `'sha256'`, `'sha512'`, etc.
+     * On recent releases of OpenSSL, `openssl list -digest-algorithms` will
+     * display the available digest algorithms.
+     *
+     * The `key` is the HMAC key used to generate the cryptographic HMAC hash. If it is
+     * a `KeyObject`, its type must be `secret`.
+     *
+     * Example: generating the sha256 HMAC of a file
+     *
+     * ```js
+     * import {
+     *   createReadStream
+     * } from 'fs';
+     * import { argv } from 'process';
+     * const {
+     *   createHmac
+     * } = await import('crypto');
+     *
+     * const filename = argv[2];
+     *
+     * const hmac = createHmac('sha256', 'a secret');
+     *
+     * const input = createReadStream(filename);
+     * input.on('readable', () => {
+     *   // Only one element is going to be produced by the
+     *   // hash stream.
+     *   const data = input.read();
+     *   if (data)
+     *     hmac.update(data);
+     *   else {
+     *     console.log(`${hmac.digest('hex')} ${filename}`);
+     *   }
+     * });
+     * ```
+     * @since v0.1.94
+     * @param options `stream.transform` options
+     */
+    function createHmac(algorithm: string, key: BinaryLike | KeyObject, options?: stream.TransformOptions): Hmac;
+    // https://nodejs.org/api/buffer.html#buffer_buffers_and_character_encodings
+    type BinaryToTextEncoding = 'base64' | 'base64url' | 'hex' | 'binary';
+    type CharacterEncoding = 'utf8' | 'utf-8' | 'utf16le' | 'latin1';
+    type LegacyCharacterEncoding = 'ascii' | 'binary' | 'ucs2' | 'ucs-2';
+    type Encoding = BinaryToTextEncoding | CharacterEncoding | LegacyCharacterEncoding;
+    type ECDHKeyFormat = 'compressed' | 'uncompressed' | 'hybrid';
+    /**
+     * The `Hash` class is a utility for creating hash digests of data. It can be
+     * used in one of two ways:
+     *
+     * * As a `stream` that is both readable and writable, where data is written
+     * to produce a computed hash digest on the readable side, or
+     * * Using the `hash.update()` and `hash.digest()` methods to produce the
+     * computed hash.
+     *
+     * The {@link createHash} method is used to create `Hash` instances. `Hash`objects are not to be created directly using the `new` keyword.
+     *
+     * Example: Using `Hash` objects as streams:
+     *
+     * ```js
+     * const {
+     *   createHash
+     * } = await import('crypto');
+     *
+     * const hash = createHash('sha256');
+     *
+     * hash.on('readable', () => {
+     *   // Only one element is going to be produced by the
+     *   // hash stream.
+     *   const data = hash.read();
+     *   if (data) {
+     *     console.log(data.toString('hex'));
+     *     // Prints:
+     *     //   6a2da20943931e9834fc12cfe5bb47bbd9ae43489a30726962b576f4e3993e50
+     *   }
+     * });
+     *
+     * hash.write('some data to hash');
+     * hash.end();
+     * ```
+     *
+     * Example: Using `Hash` and piped streams:
+     *
+     * ```js
+     * import { createReadStream } from 'fs';
+     * import { stdout } from 'process';
+     * const { createHash } = await import('crypto');
+     *
+     * const hash = createHash('sha256');
+     *
+     * const input = createReadStream('test.js');
+     * input.pipe(hash).setEncoding('hex').pipe(stdout);
+     * ```
+     *
+     * Example: Using the `hash.update()` and `hash.digest()` methods:
+     *
+     * ```js
+     * const {
+     *   createHash
+     * } = await import('crypto');
+     *
+     * const hash = createHash('sha256');
+     *
+     * hash.update('some data to hash');
+     * console.log(hash.digest('hex'));
+     * // Prints:
+     * //   6a2da20943931e9834fc12cfe5bb47bbd9ae43489a30726962b576f4e3993e50
+     * ```
+     * @since v0.1.92
+     */
+    class Hash extends stream.Transform {
+        private constructor();
+        /**
+         * Creates a new `Hash` object that contains a deep copy of the internal state
+         * of the current `Hash` object.
+         *
+         * The optional `options` argument controls stream behavior. For XOF hash
+         * functions such as `'shake256'`, the `outputLength` option can be used to
+         * specify the desired output length in bytes.
+         *
+         * An error is thrown when an attempt is made to copy the `Hash` object after
+         * its `hash.digest()` method has been called.
+         *
+         * ```js
+         * // Calculate a rolling hash.
+         * const {
+         *   createHash
+         * } = await import('crypto');
+         *
+         * const hash = createHash('sha256');
+         *
+         * hash.update('one');
+         * console.log(hash.copy().digest('hex'));
+         *
+         * hash.update('two');
+         * console.log(hash.copy().digest('hex'));
+         *
+         * hash.update('three');
+         * console.log(hash.copy().digest('hex'));
+         *
+         * // Etc.
+         * ```
+         * @since v13.1.0
+         * @param options `stream.transform` options
+         */
+        copy(options?: stream.TransformOptions): Hash;
+        /**
+         * Updates the hash content with the given `data`, the encoding of which
+         * is given in `inputEncoding`.
+         * If `encoding` is not provided, and the `data` is a string, an
+         * encoding of `'utf8'` is enforced. If `data` is a `Buffer`, `TypedArray`, or`DataView`, then `inputEncoding` is ignored.
+         *
+         * This can be called many times with new data as it is streamed.
+         * @since v0.1.92
+         * @param inputEncoding The `encoding` of the `data` string.
+         */
+        update(data: BinaryLike): Hash;
+        update(data: string, inputEncoding: Encoding): Hash;
+        /**
+         * Calculates the digest of all of the data passed to be hashed (using the `hash.update()` method).
+         * If `encoding` is provided a string will be returned; otherwise
+         * a `Buffer` is returned.
+         *
+         * The `Hash` object can not be used again after `hash.digest()` method has been
+         * called. Multiple calls will cause an error to be thrown.
+         * @since v0.1.92
+         * @param encoding The `encoding` of the return value.
+         */
+        digest(): Buffer;
+        digest(encoding: BinaryToTextEncoding): string;
+    }
+    /**
+     * The `Hmac` class is a utility for creating cryptographic HMAC digests. It can
+     * be used in one of two ways:
+     *
+     * * As a `stream` that is both readable and writable, where data is written
+     * to produce a computed HMAC digest on the readable side, or
+     * * Using the `hmac.update()` and `hmac.digest()` methods to produce the
+     * computed HMAC digest.
+     *
+     * The {@link createHmac} method is used to create `Hmac` instances. `Hmac`objects are not to be created directly using the `new` keyword.
+     *
+     * Example: Using `Hmac` objects as streams:
+     *
+     * ```js
+     * const {
+     *   createHmac
+     * } = await import('crypto');
+     *
+     * const hmac = createHmac('sha256', 'a secret');
+     *
+     * hmac.on('readable', () => {
+     *   // Only one element is going to be produced by the
+     *   // hash stream.
+     *   const data = hmac.read();
+     *   if (data) {
+     *     console.log(data.toString('hex'));
+     *     // Prints:
+     *     //   7fd04df92f636fd450bc841c9418e5825c17f33ad9c87c518115a45971f7f77e
+     *   }
+     * });
+     *
+     * hmac.write('some data to hash');
+     * hmac.end();
+     * ```
+     *
+     * Example: Using `Hmac` and piped streams:
+     *
+     * ```js
+     * import { createReadStream } from 'fs';
+     * import { stdout } from 'process';
+     * const {
+     *   createHmac
+     * } = await import('crypto');
+     *
+     * const hmac = createHmac('sha256', 'a secret');
+     *
+     * const input = createReadStream('test.js');
+     * input.pipe(hmac).pipe(stdout);
+     * ```
+     *
+     * Example: Using the `hmac.update()` and `hmac.digest()` methods:
+     *
+     * ```js
+     * const {
+     *   createHmac
+     * } = await import('crypto');
+     *
+     * const hmac = createHmac('sha256', 'a secret');
+     *
+     * hmac.update('some data to hash');
+     * console.log(hmac.digest('hex'));
+     * // Prints:
+     * //   7fd04df92f636fd450bc841c9418e5825c17f33ad9c87c518115a45971f7f77e
+     * ```
+     * @since v0.1.94
+     */
+    class Hmac extends stream.Transform {
+        private constructor();
+        /**
+         * Updates the `Hmac` content with the given `data`, the encoding of which
+         * is given in `inputEncoding`.
+         * If `encoding` is not provided, and the `data` is a string, an
+         * encoding of `'utf8'` is enforced. If `data` is a `Buffer`, `TypedArray`, or`DataView`, then `inputEncoding` is ignored.
+         *
+         * This can be called many times with new data as it is streamed.
+         * @since v0.1.94
+         * @param inputEncoding The `encoding` of the `data` string.
+         */
+        update(data: BinaryLike): Hmac;
+        update(data: string, inputEncoding: Encoding): Hmac;
+        /**
+         * Calculates the HMAC digest of all of the data passed using `hmac.update()`.
+         * If `encoding` is
+         * provided a string is returned; otherwise a `Buffer` is returned;
+         *
+         * The `Hmac` object can not be used again after `hmac.digest()` has been
+         * called. Multiple calls to `hmac.digest()` will result in an error being thrown.
+         * @since v0.1.94
+         * @param encoding The `encoding` of the return value.
+         */
+        digest(): Buffer;
+        digest(encoding: BinaryToTextEncoding): string;
+    }
+    type KeyObjectType = 'secret' | 'public' | 'private';
+    interface KeyExportOptions<T extends KeyFormat> {
+        type: 'pkcs1' | 'spki' | 'pkcs8' | 'sec1';
+        format: T;
+        cipher?: string | undefined;
+        passphrase?: string | Buffer | undefined;
+    }
+    interface JwkKeyExportOptions {
+        format: 'jwk';
+    }
+    interface JsonWebKey {
+        crv?: string | undefined;
+        d?: string | undefined;
+        dp?: string | undefined;
+        dq?: string | undefined;
+        e?: string | undefined;
+        k?: string | undefined;
+        kty?: string | undefined;
+        n?: string | undefined;
+        p?: string | undefined;
+        q?: string | undefined;
+        qi?: string | undefined;
+        x?: string | undefined;
+        y?: string | undefined;
+        [key: string]: unknown;
+    }
+    interface AsymmetricKeyDetails {
+        /**
+         * Key size in bits (RSA, DSA).
+         */
+        modulusLength?: number | undefined;
+        /**
+         * Public exponent (RSA).
+         */
+        publicExponent?: bigint | undefined;
+        /**
+         * Name of the message digest (RSA-PSS).
+         */
+        hashAlgorithm?: string | undefined;
+        /**
+         * Name of the message digest used by MGF1 (RSA-PSS).
+         */
+        mgf1HashAlgorithm?: string | undefined;
+        /**
+         * Minimal salt length in bytes (RSA-PSS).
+         */
+        saltLength?: number | undefined;
+        /**
+         * Size of q in bits (DSA).
+         */
+        divisorLength?: number | undefined;
+        /**
+         * Name of the curve (EC).
+         */
+        namedCurve?: string | undefined;
+    }
+    /**
+     * Node.js uses a `KeyObject` class to represent a symmetric or asymmetric key,
+     * and each kind of key exposes different functions. The {@link createSecretKey}, {@link createPublicKey} and {@link createPrivateKey} methods are used to create `KeyObject`instances. `KeyObject`
+     * objects are not to be created directly using the `new`keyword.
+     *
+     * Most applications should consider using the new `KeyObject` API instead of
+     * passing keys as strings or `Buffer`s due to improved security features.
+     *
+     * `KeyObject` instances can be passed to other threads via `postMessage()`.
+     * The receiver obtains a cloned `KeyObject`, and the `KeyObject` does not need to
+     * be listed in the `transferList` argument.
+     * @since v11.6.0
+     */
+    class KeyObject {
+        private constructor();
+        /**
+         * Example: Converting a `CryptoKey` instance to a `KeyObject`:
+         *
+         * ```js
+         * const { webcrypto, KeyObject } = await import('crypto');
+         * const { subtle } = webcrypto;
+         *
+         * const key = await subtle.generateKey({
+         *   name: 'HMAC',
+         *   hash: 'SHA-256',
+         *   length: 256
+         * }, true, ['sign', 'verify']);
+         *
+         * const keyObject = KeyObject.from(key);
+         * console.log(keyObject.symmetricKeySize);
+         * // Prints: 32 (symmetric key size in bytes)
+         * ```
+         * @since v15.0.0
+         */
+        static from(key: webcrypto.CryptoKey): KeyObject;
+        /**
+         * For asymmetric keys, this property represents the type of the key. Supported key
+         * types are:
+         *
+         * * `'rsa'` (OID 1.2.840.113549.1.1.1)
+         * * `'rsa-pss'` (OID 1.2.840.113549.1.1.10)
+         * * `'dsa'` (OID 1.2.840.10040.4.1)
+         * * `'ec'` (OID 1.2.840.10045.2.1)
+         * * `'x25519'` (OID 1.3.101.110)
+         * * `'x448'` (OID 1.3.101.111)
+         * * `'ed25519'` (OID 1.3.101.112)
+         * * `'ed448'` (OID 1.3.101.113)
+         * * `'dh'` (OID 1.2.840.113549.1.3.1)
+         *
+         * This property is `undefined` for unrecognized `KeyObject` types and symmetric
+         * keys.
+         * @since v11.6.0
+         */
+        asymmetricKeyType?: KeyType | undefined;
+        /**
+         * For asymmetric keys, this property represents the size of the embedded key in
+         * bytes. This property is `undefined` for symmetric keys.
+         */
+        asymmetricKeySize?: number | undefined;
+        /**
+         * This property exists only on asymmetric keys. Depending on the type of the key,
+         * this object contains information about the key. None of the information obtained
+         * through this property can be used to uniquely identify a key or to compromise
+         * the security of the key.
+         *
+         * For RSA-PSS keys, if the key material contains a `RSASSA-PSS-params` sequence,
+         * the `hashAlgorithm`, `mgf1HashAlgorithm`, and `saltLength` properties will be
+         * set.
+         *
+         * Other key details might be exposed via this API using additional attributes.
+         * @since v15.7.0
+         */
+        asymmetricKeyDetails?: AsymmetricKeyDetails | undefined;
+        /**
+         * For symmetric keys, the following encoding options can be used:
+         *
+         * For public keys, the following encoding options can be used:
+         *
+         * For private keys, the following encoding options can be used:
+         *
+         * The result type depends on the selected encoding format, when PEM the
+         * result is a string, when DER it will be a buffer containing the data
+         * encoded as DER, when [JWK](https://tools.ietf.org/html/rfc7517) it will be an object.
+         *
+         * When [JWK](https://tools.ietf.org/html/rfc7517) encoding format was selected, all other encoding options are
+         * ignored.
+         *
+         * PKCS#1, SEC1, and PKCS#8 type keys can be encrypted by using a combination of
+         * the `cipher` and `format` options. The PKCS#8 `type` can be used with any`format` to encrypt any key algorithm (RSA, EC, or DH) by specifying a`cipher`. PKCS#1 and SEC1 can only be
+         * encrypted by specifying a `cipher`when the PEM `format` is used. For maximum compatibility, use PKCS#8 for
+         * encrypted private keys. Since PKCS#8 defines its own
+         * encryption mechanism, PEM-level encryption is not supported when encrypting
+         * a PKCS#8 key. See [RFC 5208](https://www.rfc-editor.org/rfc/rfc5208.txt) for PKCS#8 encryption and [RFC 1421](https://www.rfc-editor.org/rfc/rfc1421.txt) for
+         * PKCS#1 and SEC1 encryption.
+         * @since v11.6.0
+         */
+        export(options: KeyExportOptions<'pem'>): string | Buffer;
+        export(options?: KeyExportOptions<'der'>): Buffer;
+        export(options?: JwkKeyExportOptions): JsonWebKey;
+        /**
+         * For secret keys, this property represents the size of the key in bytes. This
+         * property is `undefined` for asymmetric keys.
+         * @since v11.6.0
+         */
+        symmetricKeySize?: number | undefined;
+        /**
+         * Depending on the type of this `KeyObject`, this property is either`'secret'` for secret (symmetric) keys, `'public'` for public (asymmetric) keys
+         * or `'private'` for private (asymmetric) keys.
+         * @since v11.6.0
+         */
+        type: KeyObjectType;
+    }
+    type CipherCCMTypes = 'aes-128-ccm' | 'aes-192-ccm' | 'aes-256-ccm' | 'chacha20-poly1305';
+    type CipherGCMTypes = 'aes-128-gcm' | 'aes-192-gcm' | 'aes-256-gcm';
+    type CipherOCBTypes = 'aes-128-ocb' | 'aes-192-ocb' | 'aes-256-ocb';
+    type BinaryLike = string | NodeJS.ArrayBufferView;
+    type CipherKey = BinaryLike | KeyObject;
+    interface CipherCCMOptions extends stream.TransformOptions {
+        authTagLength: number;
+    }
+    interface CipherGCMOptions extends stream.TransformOptions {
+        authTagLength?: number | undefined;
+    }
+    interface CipherOCBOptions extends stream.TransformOptions {
+        authTagLength: number;
+    }
+    /**
+     * Creates and returns a `Cipher` object that uses the given `algorithm` and`password`.
+     *
+     * The `options` argument controls stream behavior and is optional except when a
+     * cipher in CCM or OCB mode (e.g. `'aes-128-ccm'`) is used. In that case, the`authTagLength` option is required and specifies the length of the
+     * authentication tag in bytes, see `CCM mode`. In GCM mode, the `authTagLength`option is not required but can be used to set the length of the authentication
+     * tag that will be returned by `getAuthTag()` and defaults to 16 bytes.
+     * For `chacha20-poly1305`, the `authTagLength` option defaults to 16 bytes.
+     *
+     * The `algorithm` is dependent on OpenSSL, examples are `'aes192'`, etc. On
+     * recent OpenSSL releases, `openssl list -cipher-algorithms` will
+     * display the available cipher algorithms.
+     *
+     * The `password` is used to derive the cipher key and initialization vector (IV).
+     * The value must be either a `'latin1'` encoded string, a `Buffer`, a`TypedArray`, or a `DataView`.
+     *
+     * The implementation of `crypto.createCipher()` derives keys using the OpenSSL
+     * function [`EVP_BytesToKey`](https://www.openssl.org/docs/man1.1.0/crypto/EVP_BytesToKey.html) with the digest algorithm set to MD5, one
+     * iteration, and no salt. The lack of salt allows dictionary attacks as the same
+     * password always creates the same key. The low iteration count and
+     * non-cryptographically secure hash algorithm allow passwords to be tested very
+     * rapidly.
+     *
+     * In line with OpenSSL's recommendation to use a more modern algorithm instead of [`EVP_BytesToKey`](https://www.openssl.org/docs/man1.1.0/crypto/EVP_BytesToKey.html) it is recommended that
+     * developers derive a key and IV on
+     * their own using {@link scrypt} and to use {@link createCipheriv} to create the `Cipher` object. Users should not use ciphers with counter mode
+     * (e.g. CTR, GCM, or CCM) in `crypto.createCipher()`. A warning is emitted when
+     * they are used in order to avoid the risk of IV reuse that causes
+     * vulnerabilities. For the case when IV is reused in GCM, see [Nonce-Disrespecting Adversaries](https://github.com/nonce-disrespect/nonce-disrespect) for details.
+     * @since v0.1.94
+     * @deprecated Since v10.0.0 - Use {@link createCipheriv} instead.
+     * @param options `stream.transform` options
+     */
+    function createCipher(algorithm: CipherCCMTypes, password: BinaryLike, options: CipherCCMOptions): CipherCCM;
+    /** @deprecated since v10.0.0 use `createCipheriv()` */
+    function createCipher(algorithm: CipherGCMTypes, password: BinaryLike, options?: CipherGCMOptions): CipherGCM;
+    /** @deprecated since v10.0.0 use `createCipheriv()` */
+    function createCipher(algorithm: string, password: BinaryLike, options?: stream.TransformOptions): Cipher;
+    /**
+     * Creates and returns a `Cipher` object, with the given `algorithm`, `key` and
+     * initialization vector (`iv`).
+     *
+     * The `options` argument controls stream behavior and is optional except when a
+     * cipher in CCM or OCB mode (e.g. `'aes-128-ccm'`) is used. In that case, the`authTagLength` option is required and specifies the length of the
+     * authentication tag in bytes, see `CCM mode`. In GCM mode, the `authTagLength`option is not required but can be used to set the length of the authentication
+     * tag that will be returned by `getAuthTag()` and defaults to 16 bytes.
+     * For `chacha20-poly1305`, the `authTagLength` option defaults to 16 bytes.
+     *
+     * The `algorithm` is dependent on OpenSSL, examples are `'aes192'`, etc. On
+     * recent OpenSSL releases, `openssl list -cipher-algorithms` will
+     * display the available cipher algorithms.
+     *
+     * The `key` is the raw key used by the `algorithm` and `iv` is an [initialization vector](https://en.wikipedia.org/wiki/Initialization_vector). Both arguments must be `'utf8'` encoded
+     * strings,`Buffers`, `TypedArray`, or `DataView`s. The `key` may optionally be
+     * a `KeyObject` of type `secret`. If the cipher does not need
+     * an initialization vector, `iv` may be `null`.
+     *
+     * When passing strings for `key` or `iv`, please consider `caveats when using strings as inputs to cryptographic APIs`.
+     *
+     * Initialization vectors should be unpredictable and unique; ideally, they will be
+     * cryptographically random. They do not have to be secret: IVs are typically just
+     * added to ciphertext messages unencrypted. It may sound contradictory that
+     * something has to be unpredictable and unique, but does not have to be secret;
+     * remember that an attacker must not be able to predict ahead of time what a
+     * given IV will be.
+     * @since v0.1.94
+     * @param options `stream.transform` options
+     */
+    function createCipheriv(algorithm: CipherCCMTypes, key: CipherKey, iv: BinaryLike, options: CipherCCMOptions): CipherCCM;
+    function createCipheriv(algorithm: CipherOCBTypes, key: CipherKey, iv: BinaryLike, options: CipherOCBOptions): CipherOCB;
+    function createCipheriv(algorithm: CipherGCMTypes, key: CipherKey, iv: BinaryLike, options?: CipherGCMOptions): CipherGCM;
+    function createCipheriv(algorithm: string, key: CipherKey, iv: BinaryLike | null, options?: stream.TransformOptions): Cipher;
+    /**
+     * Instances of the `Cipher` class are used to encrypt data. The class can be
+     * used in one of two ways:
+     *
+     * * As a `stream` that is both readable and writable, where plain unencrypted
+     * data is written to produce encrypted data on the readable side, or
+     * * Using the `cipher.update()` and `cipher.final()` methods to produce
+     * the encrypted data.
+     *
+     * The {@link createCipher} or {@link createCipheriv} methods are
+     * used to create `Cipher` instances. `Cipher` objects are not to be created
+     * directly using the `new` keyword.
+     *
+     * Example: Using `Cipher` objects as streams:
+     *
+     * ```js
+     * const {
+     *   scrypt,
+     *   randomFill,
+     *   createCipheriv
+     * } = await import('crypto');
+     *
+     * const algorithm = 'aes-192-cbc';
+     * const password = 'Password used to generate key';
+     *
+     * // First, we'll generate the key. The key length is dependent on the algorithm.
+     * // In this case for aes192, it is 24 bytes (192 bits).
+     * scrypt(password, 'salt', 24, (err, key) => {
+     *   if (err) throw err;
+     *   // Then, we'll generate a random initialization vector
+     *   randomFill(new Uint8Array(16), (err, iv) => {
+     *     if (err) throw err;
+     *
+     *     // Once we have the key and iv, we can create and use the cipher...
+     *     const cipher = createCipheriv(algorithm, key, iv);
+     *
+     *     let encrypted = '';
+     *     cipher.setEncoding('hex');
+     *
+     *     cipher.on('data', (chunk) => encrypted += chunk);
+     *     cipher.on('end', () => console.log(encrypted));
+     *
+     *     cipher.write('some clear text data');
+     *     cipher.end();
+     *   });
+     * });
+     * ```
+     *
+     * Example: Using `Cipher` and piped streams:
+     *
+     * ```js
+     * import {
+     *   createReadStream,
+     *   createWriteStream,
+     * } from 'fs';
+     *
+     * import {
+     *   pipeline
+     * } from 'stream';
+     *
+     * const {
+     *   scrypt,
+     *   randomFill,
+     *   createCipheriv
+     * } = await import('crypto');
+     *
+     * const algorithm = 'aes-192-cbc';
+     * const password = 'Password used to generate key';
+     *
+     * // First, we'll generate the key. The key length is dependent on the algorithm.
+     * // In this case for aes192, it is 24 bytes (192 bits).
+     * scrypt(password, 'salt', 24, (err, key) => {
+     *   if (err) throw err;
+     *   // Then, we'll generate a random initialization vector
+     *   randomFill(new Uint8Array(16), (err, iv) => {
+     *     if (err) throw err;
+     *
+     *     const cipher = createCipheriv(algorithm, key, iv);
+     *
+     *     const input = createReadStream('test.js');
+     *     const output = createWriteStream('test.enc');
+     *
+     *     pipeline(input, cipher, output, (err) => {
+     *       if (err) throw err;
+     *     });
+     *   });
+     * });
+     * ```
+     *
+     * Example: Using the `cipher.update()` and `cipher.final()` methods:
+     *
+     * ```js
+     * const {
+     *   scrypt,
+     *   randomFill,
+     *   createCipheriv
+     * } = await import('crypto');
+     *
+     * const algorithm = 'aes-192-cbc';
+     * const password = 'Password used to generate key';
+     *
+     * // First, we'll generate the key. The key length is dependent on the algorithm.
+     * // In this case for aes192, it is 24 bytes (192 bits).
+     * scrypt(password, 'salt', 24, (err, key) => {
+     *   if (err) throw err;
+     *   // Then, we'll generate a random initialization vector
+     *   randomFill(new Uint8Array(16), (err, iv) => {
+     *     if (err) throw err;
+     *
+     *     const cipher = createCipheriv(algorithm, key, iv);
+     *
+     *     let encrypted = cipher.update('some clear text data', 'utf8', 'hex');
+     *     encrypted += cipher.final('hex');
+     *     console.log(encrypted);
+     *   });
+     * });
+     * ```
+     * @since v0.1.94
+     */
+    class Cipher extends stream.Transform {
+        private constructor();
+        /**
+         * Updates the cipher with `data`. If the `inputEncoding` argument is given,
+         * the `data`argument is a string using the specified encoding. If the `inputEncoding`argument is not given, `data` must be a `Buffer`, `TypedArray`, or`DataView`. If `data` is a `Buffer`,
+         * `TypedArray`, or `DataView`, then`inputEncoding` is ignored.
+         *
+         * The `outputEncoding` specifies the output format of the enciphered
+         * data. If the `outputEncoding`is specified, a string using the specified encoding is returned. If no`outputEncoding` is provided, a `Buffer` is returned.
+         *
+         * The `cipher.update()` method can be called multiple times with new data until `cipher.final()` is called. Calling `cipher.update()` after `cipher.final()` will result in an error being
+         * thrown.
+         * @since v0.1.94
+         * @param inputEncoding The `encoding` of the data.
+         * @param outputEncoding The `encoding` of the return value.
+         */
+        update(data: BinaryLike): Buffer;
+        update(data: string, inputEncoding: Encoding): Buffer;
+        update(data: NodeJS.ArrayBufferView, inputEncoding: undefined, outputEncoding: Encoding): string;
+        update(data: string, inputEncoding: Encoding | undefined, outputEncoding: Encoding): string;
+        /**
+         * Once the `cipher.final()` method has been called, the `Cipher` object can no
+         * longer be used to encrypt data. Attempts to call `cipher.final()` more than
+         * once will result in an error being thrown.
+         * @since v0.1.94
+         * @param outputEncoding The `encoding` of the return value.
+         * @return Any remaining enciphered contents. If `outputEncoding` is specified, a string is returned. If an `outputEncoding` is not provided, a {@link Buffer} is returned.
+         */
+        final(): Buffer;
+        final(outputEncoding: BufferEncoding): string;
+        /**
+         * When using block encryption algorithms, the `Cipher` class will automatically
+         * add padding to the input data to the appropriate block size. To disable the
+         * default padding call `cipher.setAutoPadding(false)`.
+         *
+         * When `autoPadding` is `false`, the length of the entire input data must be a
+         * multiple of the cipher's block size or `cipher.final()` will throw an error.
+         * Disabling automatic padding is useful for non-standard padding, for instance
+         * using `0x0` instead of PKCS padding.
+         *
+         * The `cipher.setAutoPadding()` method must be called before `cipher.final()`.
+         * @since v0.7.1
+         * @param [autoPadding=true]
+         * @return for method chaining.
+         */
+        setAutoPadding(autoPadding?: boolean): this;
+    }
+    interface CipherCCM extends Cipher {
+        setAAD(
+            buffer: NodeJS.ArrayBufferView,
+            options: {
+                plaintextLength: number;
+            }
+        ): this;
+        getAuthTag(): Buffer;
+    }
+    interface CipherGCM extends Cipher {
+        setAAD(
+            buffer: NodeJS.ArrayBufferView,
+            options?: {
+                plaintextLength: number;
+            }
+        ): this;
+        getAuthTag(): Buffer;
+    }
+    interface CipherOCB extends Cipher {
+        setAAD(
+            buffer: NodeJS.ArrayBufferView,
+            options?: {
+                plaintextLength: number;
+            }
+        ): this;
+        getAuthTag(): Buffer;
+    }
+    /**
+     * Creates and returns a `Decipher` object that uses the given `algorithm` and`password` (key).
+     *
+     * The `options` argument controls stream behavior and is optional except when a
+     * cipher in CCM or OCB mode (e.g. `'aes-128-ccm'`) is used. In that case, the`authTagLength` option is required and specifies the length of the
+     * authentication tag in bytes, see `CCM mode`.
+     * For `chacha20-poly1305`, the `authTagLength` option defaults to 16 bytes.
+     *
+     * The implementation of `crypto.createDecipher()` derives keys using the OpenSSL
+     * function [`EVP_BytesToKey`](https://www.openssl.org/docs/man1.1.0/crypto/EVP_BytesToKey.html) with the digest algorithm set to MD5, one
+     * iteration, and no salt. The lack of salt allows dictionary attacks as the same
+     * password always creates the same key. The low iteration count and
+     * non-cryptographically secure hash algorithm allow passwords to be tested very
+     * rapidly.
+     *
+     * In line with OpenSSL's recommendation to use a more modern algorithm instead of [`EVP_BytesToKey`](https://www.openssl.org/docs/man1.1.0/crypto/EVP_BytesToKey.html) it is recommended that
+     * developers derive a key and IV on
+     * their own using {@link scrypt} and to use {@link createDecipheriv} to create the `Decipher` object.
+     * @since v0.1.94
+     * @deprecated Since v10.0.0 - Use {@link createDecipheriv} instead.
+     * @param options `stream.transform` options
+     */
+    function createDecipher(algorithm: CipherCCMTypes, password: BinaryLike, options: CipherCCMOptions): DecipherCCM;
+    /** @deprecated since v10.0.0 use `createDecipheriv()` */
+    function createDecipher(algorithm: CipherGCMTypes, password: BinaryLike, options?: CipherGCMOptions): DecipherGCM;
+    /** @deprecated since v10.0.0 use `createDecipheriv()` */
+    function createDecipher(algorithm: string, password: BinaryLike, options?: stream.TransformOptions): Decipher;
+    /**
+     * Creates and returns a `Decipher` object that uses the given `algorithm`, `key`and initialization vector (`iv`).
+     *
+     * The `options` argument controls stream behavior and is optional except when a
+     * cipher in CCM or OCB mode (e.g. `'aes-128-ccm'`) is used. In that case, the`authTagLength` option is required and specifies the length of the
+     * authentication tag in bytes, see `CCM mode`. In GCM mode, the `authTagLength`option is not required but can be used to restrict accepted authentication tags
+     * to those with the specified length.
+     * For `chacha20-poly1305`, the `authTagLength` option defaults to 16 bytes.
+     *
+     * The `algorithm` is dependent on OpenSSL, examples are `'aes192'`, etc. On
+     * recent OpenSSL releases, `openssl list -cipher-algorithms` will
+     * display the available cipher algorithms.
+     *
+     * The `key` is the raw key used by the `algorithm` and `iv` is an [initialization vector](https://en.wikipedia.org/wiki/Initialization_vector). Both arguments must be `'utf8'` encoded
+     * strings,`Buffers`, `TypedArray`, or `DataView`s. The `key` may optionally be
+     * a `KeyObject` of type `secret`. If the cipher does not need
+     * an initialization vector, `iv` may be `null`.
+     *
+     * When passing strings for `key` or `iv`, please consider `caveats when using strings as inputs to cryptographic APIs`.
+     *
+     * Initialization vectors should be unpredictable and unique; ideally, they will be
+     * cryptographically random. They do not have to be secret: IVs are typically just
+     * added to ciphertext messages unencrypted. It may sound contradictory that
+     * something has to be unpredictable and unique, but does not have to be secret;
+     * remember that an attacker must not be able to predict ahead of time what a given
+     * IV will be.
+     * @since v0.1.94
+     * @param options `stream.transform` options
+     */
+    function createDecipheriv(algorithm: CipherCCMTypes, key: CipherKey, iv: BinaryLike, options: CipherCCMOptions): DecipherCCM;
+    function createDecipheriv(algorithm: CipherOCBTypes, key: CipherKey, iv: BinaryLike, options: CipherOCBOptions): DecipherOCB;
+    function createDecipheriv(algorithm: CipherGCMTypes, key: CipherKey, iv: BinaryLike, options?: CipherGCMOptions): DecipherGCM;
+    function createDecipheriv(algorithm: string, key: CipherKey, iv: BinaryLike | null, options?: stream.TransformOptions): Decipher;
+    /**
+     * Instances of the `Decipher` class are used to decrypt data. The class can be
+     * used in one of two ways:
+     *
+     * * As a `stream` that is both readable and writable, where plain encrypted
+     * data is written to produce unencrypted data on the readable side, or
+     * * Using the `decipher.update()` and `decipher.final()` methods to
+     * produce the unencrypted data.
+     *
+     * The {@link createDecipher} or {@link createDecipheriv} methods are
+     * used to create `Decipher` instances. `Decipher` objects are not to be created
+     * directly using the `new` keyword.
+     *
+     * Example: Using `Decipher` objects as streams:
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const {
+     *   scryptSync,
+     *   createDecipheriv
+     * } = await import('crypto');
+     *
+     * const algorithm = 'aes-192-cbc';
+     * const password = 'Password used to generate key';
+     * // Key length is dependent on the algorithm. In this case for aes192, it is
+     * // 24 bytes (192 bits).
+     * // Use the async `crypto.scrypt()` instead.
+     * const key = scryptSync(password, 'salt', 24);
+     * // The IV is usually passed along with the ciphertext.
+     * const iv = Buffer.alloc(16, 0); // Initialization vector.
+     *
+     * const decipher = createDecipheriv(algorithm, key, iv);
+     *
+     * let decrypted = '';
+     * decipher.on('readable', () => {
+     *   while (null !== (chunk = decipher.read())) {
+     *     decrypted += chunk.toString('utf8');
+     *   }
+     * });
+     * decipher.on('end', () => {
+     *   console.log(decrypted);
+     *   // Prints: some clear text data
+     * });
+     *
+     * // Encrypted with same algorithm, key and iv.
+     * const encrypted =
+     *   'e5f79c5915c02171eec6b212d5520d44480993d7d622a7c4c2da32f6efda0ffa';
+     * decipher.write(encrypted, 'hex');
+     * decipher.end();
+     * ```
+     *
+     * Example: Using `Decipher` and piped streams:
+     *
+     * ```js
+     * import {
+     *   createReadStream,
+     *   createWriteStream,
+     * } from 'fs';
+     * import { Buffer } from 'buffer';
+     * const {
+     *   scryptSync,
+     *   createDecipheriv
+     * } = await import('crypto');
+     *
+     * const algorithm = 'aes-192-cbc';
+     * const password = 'Password used to generate key';
+     * // Use the async `crypto.scrypt()` instead.
+     * const key = scryptSync(password, 'salt', 24);
+     * // The IV is usually passed along with the ciphertext.
+     * const iv = Buffer.alloc(16, 0); // Initialization vector.
+     *
+     * const decipher = createDecipheriv(algorithm, key, iv);
+     *
+     * const input = createReadStream('test.enc');
+     * const output = createWriteStream('test.js');
+     *
+     * input.pipe(decipher).pipe(output);
+     * ```
+     *
+     * Example: Using the `decipher.update()` and `decipher.final()` methods:
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const {
+     *   scryptSync,
+     *   createDecipheriv
+     * } = await import('crypto');
+     *
+     * const algorithm = 'aes-192-cbc';
+     * const password = 'Password used to generate key';
+     * // Use the async `crypto.scrypt()` instead.
+     * const key = scryptSync(password, 'salt', 24);
+     * // The IV is usually passed along with the ciphertext.
+     * const iv = Buffer.alloc(16, 0); // Initialization vector.
+     *
+     * const decipher = createDecipheriv(algorithm, key, iv);
+     *
+     * // Encrypted using same algorithm, key and iv.
+     * const encrypted =
+     *   'e5f79c5915c02171eec6b212d5520d44480993d7d622a7c4c2da32f6efda0ffa';
+     * let decrypted = decipher.update(encrypted, 'hex', 'utf8');
+     * decrypted += decipher.final('utf8');
+     * console.log(decrypted);
+     * // Prints: some clear text data
+     * ```
+     * @since v0.1.94
+     */
+    class Decipher extends stream.Transform {
+        private constructor();
+        /**
+         * Updates the decipher with `data`. If the `inputEncoding` argument is given,
+         * the `data`argument is a string using the specified encoding. If the `inputEncoding`argument is not given, `data` must be a `Buffer`. If `data` is a `Buffer` then `inputEncoding` is
+         * ignored.
+         *
+         * The `outputEncoding` specifies the output format of the enciphered
+         * data. If the `outputEncoding`is specified, a string using the specified encoding is returned. If no`outputEncoding` is provided, a `Buffer` is returned.
+         *
+         * The `decipher.update()` method can be called multiple times with new data until `decipher.final()` is called. Calling `decipher.update()` after `decipher.final()` will result in an error
+         * being thrown.
+         * @since v0.1.94
+         * @param inputEncoding The `encoding` of the `data` string.
+         * @param outputEncoding The `encoding` of the return value.
+         */
+        update(data: NodeJS.ArrayBufferView): Buffer;
+        update(data: string, inputEncoding: Encoding): Buffer;
+        update(data: NodeJS.ArrayBufferView, inputEncoding: undefined, outputEncoding: Encoding): string;
+        update(data: string, inputEncoding: Encoding | undefined, outputEncoding: Encoding): string;
+        /**
+         * Once the `decipher.final()` method has been called, the `Decipher` object can
+         * no longer be used to decrypt data. Attempts to call `decipher.final()` more
+         * than once will result in an error being thrown.
+         * @since v0.1.94
+         * @param outputEncoding The `encoding` of the return value.
+         * @return Any remaining deciphered contents. If `outputEncoding` is specified, a string is returned. If an `outputEncoding` is not provided, a {@link Buffer} is returned.
+         */
+        final(): Buffer;
+        final(outputEncoding: BufferEncoding): string;
+        /**
+         * When data has been encrypted without standard block padding, calling`decipher.setAutoPadding(false)` will disable automatic padding to prevent `decipher.final()` from checking for and
+         * removing padding.
+         *
+         * Turning auto padding off will only work if the input data's length is a
+         * multiple of the ciphers block size.
+         *
+         * The `decipher.setAutoPadding()` method must be called before `decipher.final()`.
+         * @since v0.7.1
+         * @param [autoPadding=true]
+         * @return for method chaining.
+         */
+        setAutoPadding(auto_padding?: boolean): this;
+    }
+    interface DecipherCCM extends Decipher {
+        setAuthTag(buffer: NodeJS.ArrayBufferView): this;
+        setAAD(
+            buffer: NodeJS.ArrayBufferView,
+            options: {
+                plaintextLength: number;
+            }
+        ): this;
+    }
+    interface DecipherGCM extends Decipher {
+        setAuthTag(buffer: NodeJS.ArrayBufferView): this;
+        setAAD(
+            buffer: NodeJS.ArrayBufferView,
+            options?: {
+                plaintextLength: number;
+            }
+        ): this;
+    }
+    interface DecipherOCB extends Decipher {
+        setAuthTag(buffer: NodeJS.ArrayBufferView): this;
+        setAAD(
+            buffer: NodeJS.ArrayBufferView,
+            options?: {
+                plaintextLength: number;
+            }
+        ): this;
+    }
+    interface PrivateKeyInput {
+        key: string | Buffer;
+        format?: KeyFormat | undefined;
+        type?: 'pkcs1' | 'pkcs8' | 'sec1' | undefined;
+        passphrase?: string | Buffer | undefined;
+    }
+    interface PublicKeyInput {
+        key: string | Buffer;
+        format?: KeyFormat | undefined;
+        type?: 'pkcs1' | 'spki' | undefined;
+    }
+    /**
+     * Asynchronously generates a new random secret key of the given `length`. The`type` will determine which validations will be performed on the `length`.
+     *
+     * ```js
+     * const {
+     *   generateKey
+     * } = await import('crypto');
+     *
+     * generateKey('hmac', { length: 64 }, (err, key) => {
+     *   if (err) throw err;
+     *   console.log(key.export().toString('hex'));  // 46e..........620
+     * });
+     * ```
+     * @since v15.0.0
+     * @param type The intended use of the generated secret key. Currently accepted values are `'hmac'` and `'aes'`.
+     */
+    function generateKey(
+        type: 'hmac' | 'aes',
+        options: {
+            length: number;
+        },
+        callback: (err: Error | null, key: KeyObject) => void
+    ): void;
+    /**
+     * Synchronously generates a new random secret key of the given `length`. The`type` will determine which validations will be performed on the `length`.
+     *
+     * ```js
+     * const {
+     *   generateKeySync
+     * } = await import('crypto');
+     *
+     * const key = generateKeySync('hmac', { length: 64 });
+     * console.log(key.export().toString('hex'));  // e89..........41e
+     * ```
+     * @since v15.0.0
+     * @param type The intended use of the generated secret key. Currently accepted values are `'hmac'` and `'aes'`.
+     */
+    function generateKeySync(
+        type: 'hmac' | 'aes',
+        options: {
+            length: number;
+        }
+    ): KeyObject;
+    interface JsonWebKeyInput {
+        key: JsonWebKey;
+        format: 'jwk';
+    }
+    /**
+     * Creates and returns a new key object containing a private key. If `key` is a
+     * string or `Buffer`, `format` is assumed to be `'pem'`; otherwise, `key`must be an object with the properties described above.
+     *
+     * If the private key is encrypted, a `passphrase` must be specified. The length
+     * of the passphrase is limited to 1024 bytes.
+     * @since v11.6.0
+     */
+    function createPrivateKey(key: PrivateKeyInput | string | Buffer | JsonWebKeyInput): KeyObject;
+    /**
+     * Creates and returns a new key object containing a public key. If `key` is a
+     * string or `Buffer`, `format` is assumed to be `'pem'`; if `key` is a `KeyObject`with type `'private'`, the public key is derived from the given private key;
+     * otherwise, `key` must be an object with the properties described above.
+     *
+     * If the format is `'pem'`, the `'key'` may also be an X.509 certificate.
+     *
+     * Because public keys can be derived from private keys, a private key may be
+     * passed instead of a public key. In that case, this function behaves as if {@link createPrivateKey} had been called, except that the type of the
+     * returned `KeyObject` will be `'public'` and that the private key cannot be
+     * extracted from the returned `KeyObject`. Similarly, if a `KeyObject` with type`'private'` is given, a new `KeyObject` with type `'public'` will be returned
+     * and it will be impossible to extract the private key from the returned object.
+     * @since v11.6.0
+     */
+    function createPublicKey(key: PublicKeyInput | string | Buffer | KeyObject | JsonWebKeyInput): KeyObject;
+    /**
+     * Creates and returns a new key object containing a secret key for symmetric
+     * encryption or `Hmac`.
+     * @since v11.6.0
+     * @param encoding The string encoding when `key` is a string.
+     */
+    function createSecretKey(key: NodeJS.ArrayBufferView): KeyObject;
+    function createSecretKey(key: string, encoding: BufferEncoding): KeyObject;
+    /**
+     * Creates and returns a `Sign` object that uses the given `algorithm`. Use {@link getHashes} to obtain the names of the available digest algorithms.
+     * Optional `options` argument controls the `stream.Writable` behavior.
+     *
+     * In some cases, a `Sign` instance can be created using the name of a signature
+     * algorithm, such as `'RSA-SHA256'`, instead of a digest algorithm. This will use
+     * the corresponding digest algorithm. This does not work for all signature
+     * algorithms, such as `'ecdsa-with-SHA256'`, so it is best to always use digest
+     * algorithm names.
+     * @since v0.1.92
+     * @param options `stream.Writable` options
+     */
+    function createSign(algorithm: string, options?: stream.WritableOptions): Sign;
+    type DSAEncoding = 'der' | 'ieee-p1363';
+    interface SigningOptions {
+        /**
+         * @See crypto.constants.RSA_PKCS1_PADDING
+         */
+        padding?: number | undefined;
+        saltLength?: number | undefined;
+        dsaEncoding?: DSAEncoding | undefined;
+    }
+    interface SignPrivateKeyInput extends PrivateKeyInput, SigningOptions {}
+    interface SignKeyObjectInput extends SigningOptions {
+        key: KeyObject;
+    }
+    interface VerifyPublicKeyInput extends PublicKeyInput, SigningOptions {}
+    interface VerifyKeyObjectInput extends SigningOptions {
+        key: KeyObject;
+    }
+    type KeyLike = string | Buffer | KeyObject;
+    /**
+     * The `Sign` class is a utility for generating signatures. It can be used in one
+     * of two ways:
+     *
+     * * As a writable `stream`, where data to be signed is written and the `sign.sign()` method is used to generate and return the signature, or
+     * * Using the `sign.update()` and `sign.sign()` methods to produce the
+     * signature.
+     *
+     * The {@link createSign} method is used to create `Sign` instances. The
+     * argument is the string name of the hash function to use. `Sign` objects are not
+     * to be created directly using the `new` keyword.
+     *
+     * Example: Using `Sign` and `Verify` objects as streams:
+     *
+     * ```js
+     * const {
+     *   generateKeyPairSync,
+     *   createSign,
+     *   createVerify
+     * } = await import('crypto');
+     *
+     * const { privateKey, publicKey } = generateKeyPairSync('ec', {
+     *   namedCurve: 'sect239k1'
+     * });
+     *
+     * const sign = createSign('SHA256');
+     * sign.write('some data to sign');
+     * sign.end();
+     * const signature = sign.sign(privateKey, 'hex');
+     *
+     * const verify = createVerify('SHA256');
+     * verify.write('some data to sign');
+     * verify.end();
+     * console.log(verify.verify(publicKey, signature, 'hex'));
+     * // Prints: true
+     * ```
+     *
+     * Example: Using the `sign.update()` and `verify.update()` methods:
+     *
+     * ```js
+     * const {
+     *   generateKeyPairSync,
+     *   createSign,
+     *   createVerify
+     * } = await import('crypto');
+     *
+     * const { privateKey, publicKey } = generateKeyPairSync('rsa', {
+     *   modulusLength: 2048,
+     * });
+     *
+     * const sign = createSign('SHA256');
+     * sign.update('some data to sign');
+     * sign.end();
+     * const signature = sign.sign(privateKey);
+     *
+     * const verify = createVerify('SHA256');
+     * verify.update('some data to sign');
+     * verify.end();
+     * console.log(verify.verify(publicKey, signature));
+     * // Prints: true
+     * ```
+     * @since v0.1.92
+     */
+    class Sign extends stream.Writable {
+        private constructor();
+        /**
+         * Updates the `Sign` content with the given `data`, the encoding of which
+         * is given in `inputEncoding`.
+         * If `encoding` is not provided, and the `data` is a string, an
+         * encoding of `'utf8'` is enforced. If `data` is a `Buffer`, `TypedArray`, or`DataView`, then `inputEncoding` is ignored.
+         *
+         * This can be called many times with new data as it is streamed.
+         * @since v0.1.92
+         * @param inputEncoding The `encoding` of the `data` string.
+         */
+        update(data: BinaryLike): this;
+        update(data: string, inputEncoding: Encoding): this;
+        /**
+         * Calculates the signature on all the data passed through using either `sign.update()` or `sign.write()`.
+         *
+         * If `privateKey` is not a `KeyObject`, this function behaves as if`privateKey` had been passed to {@link createPrivateKey}. If it is an
+         * object, the following additional properties can be passed:
+         *
+         * If `outputEncoding` is provided a string is returned; otherwise a `Buffer` is returned.
+         *
+         * The `Sign` object can not be again used after `sign.sign()` method has been
+         * called. Multiple calls to `sign.sign()` will result in an error being thrown.
+         * @since v0.1.92
+         */
+        sign(privateKey: KeyLike | SignKeyObjectInput | SignPrivateKeyInput): Buffer;
+        sign(privateKey: KeyLike | SignKeyObjectInput | SignPrivateKeyInput, outputFormat: BinaryToTextEncoding): string;
+    }
+    /**
+     * Creates and returns a `Verify` object that uses the given algorithm.
+     * Use {@link getHashes} to obtain an array of names of the available
+     * signing algorithms. Optional `options` argument controls the`stream.Writable` behavior.
+     *
+     * In some cases, a `Verify` instance can be created using the name of a signature
+     * algorithm, such as `'RSA-SHA256'`, instead of a digest algorithm. This will use
+     * the corresponding digest algorithm. This does not work for all signature
+     * algorithms, such as `'ecdsa-with-SHA256'`, so it is best to always use digest
+     * algorithm names.
+     * @since v0.1.92
+     * @param options `stream.Writable` options
+     */
+    function createVerify(algorithm: string, options?: stream.WritableOptions): Verify;
+    /**
+     * The `Verify` class is a utility for verifying signatures. It can be used in one
+     * of two ways:
+     *
+     * * As a writable `stream` where written data is used to validate against the
+     * supplied signature, or
+     * * Using the `verify.update()` and `verify.verify()` methods to verify
+     * the signature.
+     *
+     * The {@link createVerify} method is used to create `Verify` instances.`Verify` objects are not to be created directly using the `new` keyword.
+     *
+     * See `Sign` for examples.
+     * @since v0.1.92
+     */
+    class Verify extends stream.Writable {
+        private constructor();
+        /**
+         * Updates the `Verify` content with the given `data`, the encoding of which
+         * is given in `inputEncoding`.
+         * If `inputEncoding` is not provided, and the `data` is a string, an
+         * encoding of `'utf8'` is enforced. If `data` is a `Buffer`, `TypedArray`, or`DataView`, then `inputEncoding` is ignored.
+         *
+         * This can be called many times with new data as it is streamed.
+         * @since v0.1.92
+         * @param inputEncoding The `encoding` of the `data` string.
+         */
+        update(data: BinaryLike): Verify;
+        update(data: string, inputEncoding: Encoding): Verify;
+        /**
+         * Verifies the provided data using the given `object` and `signature`.
+         *
+         * If `object` is not a `KeyObject`, this function behaves as if`object` had been passed to {@link createPublicKey}. If it is an
+         * object, the following additional properties can be passed:
+         *
+         * The `signature` argument is the previously calculated signature for the data, in
+         * the `signatureEncoding`.
+         * If a `signatureEncoding` is specified, the `signature` is expected to be a
+         * string; otherwise `signature` is expected to be a `Buffer`,`TypedArray`, or `DataView`.
+         *
+         * The `verify` object can not be used again after `verify.verify()` has been
+         * called. Multiple calls to `verify.verify()` will result in an error being
+         * thrown.
+         *
+         * Because public keys can be derived from private keys, a private key may
+         * be passed instead of a public key.
+         * @since v0.1.92
+         */
+        verify(object: KeyLike | VerifyKeyObjectInput | VerifyPublicKeyInput, signature: NodeJS.ArrayBufferView): boolean;
+        verify(object: KeyLike | VerifyKeyObjectInput | VerifyPublicKeyInput, signature: string, signature_format?: BinaryToTextEncoding): boolean;
+    }
+    /**
+     * Creates a `DiffieHellman` key exchange object using the supplied `prime` and an
+     * optional specific `generator`.
+     *
+     * The `generator` argument can be a number, string, or `Buffer`. If`generator` is not specified, the value `2` is used.
+     *
+     * If `primeEncoding` is specified, `prime` is expected to be a string; otherwise
+     * a `Buffer`, `TypedArray`, or `DataView` is expected.
+     *
+     * If `generatorEncoding` is specified, `generator` is expected to be a string;
+     * otherwise a number, `Buffer`, `TypedArray`, or `DataView` is expected.
+     * @since v0.11.12
+     * @param primeEncoding The `encoding` of the `prime` string.
+     * @param [generator=2]
+     * @param generatorEncoding The `encoding` of the `generator` string.
+     */
+    function createDiffieHellman(primeLength: number, generator?: number): DiffieHellman;
+    function createDiffieHellman(prime: ArrayBuffer | NodeJS.ArrayBufferView, generator?: number | ArrayBuffer | NodeJS.ArrayBufferView): DiffieHellman;
+    function createDiffieHellman(prime: ArrayBuffer | NodeJS.ArrayBufferView, generator: string, generatorEncoding: BinaryToTextEncoding): DiffieHellman;
+    function createDiffieHellman(prime: string, primeEncoding: BinaryToTextEncoding, generator?: number | ArrayBuffer | NodeJS.ArrayBufferView): DiffieHellman;
+    function createDiffieHellman(prime: string, primeEncoding: BinaryToTextEncoding, generator: string, generatorEncoding: BinaryToTextEncoding): DiffieHellman;
+    /**
+     * The `DiffieHellman` class is a utility for creating Diffie-Hellman key
+     * exchanges.
+     *
+     * Instances of the `DiffieHellman` class can be created using the {@link createDiffieHellman} function.
+     *
+     * ```js
+     * import assert from 'assert';
+     *
+     * const {
+     *   createDiffieHellman
+     * } = await import('crypto');
+     *
+     * // Generate Alice's keys...
+     * const alice = createDiffieHellman(2048);
+     * const aliceKey = alice.generateKeys();
+     *
+     * // Generate Bob's keys...
+     * const bob = createDiffieHellman(alice.getPrime(), alice.getGenerator());
+     * const bobKey = bob.generateKeys();
+     *
+     * // Exchange and generate the secret...
+     * const aliceSecret = alice.computeSecret(bobKey);
+     * const bobSecret = bob.computeSecret(aliceKey);
+     *
+     * // OK
+     * assert.strictEqual(aliceSecret.toString('hex'), bobSecret.toString('hex'));
+     * ```
+     * @since v0.5.0
+     */
+    class DiffieHellman {
+        private constructor();
+        /**
+         * Generates private and public Diffie-Hellman key values, and returns
+         * the public key in the specified `encoding`. This key should be
+         * transferred to the other party.
+         * If `encoding` is provided a string is returned; otherwise a `Buffer` is returned.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the return value.
+         */
+        generateKeys(): Buffer;
+        generateKeys(encoding: BinaryToTextEncoding): string;
+        /**
+         * Computes the shared secret using `otherPublicKey` as the other
+         * party's public key and returns the computed shared secret. The supplied
+         * key is interpreted using the specified `inputEncoding`, and secret is
+         * encoded using specified `outputEncoding`.
+         * If the `inputEncoding` is not
+         * provided, `otherPublicKey` is expected to be a `Buffer`,`TypedArray`, or `DataView`.
+         *
+         * If `outputEncoding` is given a string is returned; otherwise, a `Buffer` is returned.
+         * @since v0.5.0
+         * @param inputEncoding The `encoding` of an `otherPublicKey` string.
+         * @param outputEncoding The `encoding` of the return value.
+         */
+        computeSecret(otherPublicKey: NodeJS.ArrayBufferView, inputEncoding?: null, outputEncoding?: null): Buffer;
+        computeSecret(otherPublicKey: string, inputEncoding: BinaryToTextEncoding, outputEncoding?: null): Buffer;
+        computeSecret(otherPublicKey: NodeJS.ArrayBufferView, inputEncoding: null, outputEncoding: BinaryToTextEncoding): string;
+        computeSecret(otherPublicKey: string, inputEncoding: BinaryToTextEncoding, outputEncoding: BinaryToTextEncoding): string;
+        /**
+         * Returns the Diffie-Hellman prime in the specified `encoding`.
+         * If `encoding` is provided a string is
+         * returned; otherwise a `Buffer` is returned.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the return value.
+         */
+        getPrime(): Buffer;
+        getPrime(encoding: BinaryToTextEncoding): string;
+        /**
+         * Returns the Diffie-Hellman generator in the specified `encoding`.
+         * If `encoding` is provided a string is
+         * returned; otherwise a `Buffer` is returned.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the return value.
+         */
+        getGenerator(): Buffer;
+        getGenerator(encoding: BinaryToTextEncoding): string;
+        /**
+         * Returns the Diffie-Hellman public key in the specified `encoding`.
+         * If `encoding` is provided a
+         * string is returned; otherwise a `Buffer` is returned.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the return value.
+         */
+        getPublicKey(): Buffer;
+        getPublicKey(encoding: BinaryToTextEncoding): string;
+        /**
+         * Returns the Diffie-Hellman private key in the specified `encoding`.
+         * If `encoding` is provided a
+         * string is returned; otherwise a `Buffer` is returned.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the return value.
+         */
+        getPrivateKey(): Buffer;
+        getPrivateKey(encoding: BinaryToTextEncoding): string;
+        /**
+         * Sets the Diffie-Hellman public key. If the `encoding` argument is provided,`publicKey` is expected
+         * to be a string. If no `encoding` is provided, `publicKey` is expected
+         * to be a `Buffer`, `TypedArray`, or `DataView`.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the `publicKey` string.
+         */
+        setPublicKey(publicKey: NodeJS.ArrayBufferView): void;
+        setPublicKey(publicKey: string, encoding: BufferEncoding): void;
+        /**
+         * Sets the Diffie-Hellman private key. If the `encoding` argument is provided,`privateKey` is expected
+         * to be a string. If no `encoding` is provided, `privateKey` is expected
+         * to be a `Buffer`, `TypedArray`, or `DataView`.
+         * @since v0.5.0
+         * @param encoding The `encoding` of the `privateKey` string.
+         */
+        setPrivateKey(privateKey: NodeJS.ArrayBufferView): void;
+        setPrivateKey(privateKey: string, encoding: BufferEncoding): void;
+        /**
+         * A bit field containing any warnings and/or errors resulting from a check
+         * performed during initialization of the `DiffieHellman` object.
+         *
+         * The following values are valid for this property (as defined in `constants`module):
+         *
+         * * `DH_CHECK_P_NOT_SAFE_PRIME`
+         * * `DH_CHECK_P_NOT_PRIME`
+         * * `DH_UNABLE_TO_CHECK_GENERATOR`
+         * * `DH_NOT_SUITABLE_GENERATOR`
+         * @since v0.11.12
+         */
+        verifyError: number;
+    }
+    /**
+     * The `DiffieHellmanGroup` class takes a well-known modp group as its argument.
+     * It works the same as `DiffieHellman`, except that it does not allow changing its keys after creation.
+     * In other words, it does not implement `setPublicKey()` or `setPrivateKey()` methods.
+     *
+     * ```js
+     * const { createDiffieHellmanGroup } = await import('node:crypto');
+     * const dh = createDiffieHellmanGroup('modp1');
+     * ```
+     * The name (e.g. `'modp1'`) is taken from [RFC 2412](https://www.rfc-editor.org/rfc/rfc2412.txt) (modp1 and 2) and [RFC 3526](https://www.rfc-editor.org/rfc/rfc3526.txt):
+     * ```bash
+     * $ perl -ne 'print "$1\n" if /"(modp\d+)"/' src/node_crypto_groups.h
+     * modp1  #  768 bits
+     * modp2  # 1024 bits
+     * modp5  # 1536 bits
+     * modp14 # 2048 bits
+     * modp15 # etc.
+     * modp16
+     * modp17
+     * modp18
+     * ```
+     * @since v0.7.5
+     */
+    const DiffieHellmanGroup: DiffieHellmanGroupConstructor;
+    interface DiffieHellmanGroupConstructor {
+        new(name: string): DiffieHellmanGroup;
+        (name: string): DiffieHellmanGroup;
+        readonly prototype: DiffieHellmanGroup;
+    }
+    type DiffieHellmanGroup = Omit<DiffieHellman, 'setPublicKey' | 'setPrivateKey'>;
+    /**
+     * Creates a predefined `DiffieHellmanGroup` key exchange object. The
+     * supported groups are: `'modp1'`, `'modp2'`, `'modp5'` (defined in [RFC 2412](https://www.rfc-editor.org/rfc/rfc2412.txt), but see `Caveats`) and `'modp14'`, `'modp15'`,`'modp16'`, `'modp17'`,
+     * `'modp18'` (defined in [RFC 3526](https://www.rfc-editor.org/rfc/rfc3526.txt)). The
+     * returned object mimics the interface of objects created by {@link createDiffieHellman}, but will not allow changing
+     * the keys (with `diffieHellman.setPublicKey()`, for example). The
+     * advantage of using this method is that the parties do not have to
+     * generate nor exchange a group modulus beforehand, saving both processor
+     * and communication time.
+     *
+     * Example (obtaining a shared secret):
+     *
+     * ```js
+     * const {
+     *   getDiffieHellman
+     * } = await import('crypto');
+     * const alice = getDiffieHellman('modp14');
+     * const bob = getDiffieHellman('modp14');
+     *
+     * alice.generateKeys();
+     * bob.generateKeys();
+     *
+     * const aliceSecret = alice.computeSecret(bob.getPublicKey(), null, 'hex');
+     * const bobSecret = bob.computeSecret(alice.getPublicKey(), null, 'hex');
+     *
+     * // aliceSecret and bobSecret should be the same
+     * console.log(aliceSecret === bobSecret);
+     * ```
+     * @since v0.7.5
+     */
+    function getDiffieHellman(groupName: string): DiffieHellmanGroup;
+    /**
+     * An alias for {@link getDiffieHellman}
+     * @since v0.9.3
+     */
+    function createDiffieHellmanGroup(name: string): DiffieHellmanGroup;
+    /**
+     * Provides an asynchronous Password-Based Key Derivation Function 2 (PBKDF2)
+     * implementation. A selected HMAC digest algorithm specified by `digest` is
+     * applied to derive a key of the requested byte length (`keylen`) from the`password`, `salt` and `iterations`.
+     *
+     * The supplied `callback` function is called with two arguments: `err` and`derivedKey`. If an error occurs while deriving the key, `err` will be set;
+     * otherwise `err` will be `null`. By default, the successfully generated`derivedKey` will be passed to the callback as a `Buffer`. An error will be
+     * thrown if any of the input arguments specify invalid values or types.
+     *
+     * If `digest` is `null`, `'sha1'` will be used. This behavior is deprecated,
+     * please specify a `digest` explicitly.
+     *
+     * The `iterations` argument must be a number set as high as possible. The
+     * higher the number of iterations, the more secure the derived key will be,
+     * but will take a longer amount of time to complete.
+     *
+     * The `salt` should be as unique as possible. It is recommended that a salt is
+     * random and at least 16 bytes long. See [NIST SP 800-132](https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf) for details.
+     *
+     * When passing strings for `password` or `salt`, please consider `caveats when using strings as inputs to cryptographic APIs`.
+     *
+     * ```js
+     * const {
+     *   pbkdf2
+     * } = await import('crypto');
+     *
+     * pbkdf2('secret', 'salt', 100000, 64, 'sha512', (err, derivedKey) => {
+     *   if (err) throw err;
+     *   console.log(derivedKey.toString('hex'));  // '3745e48...08d59ae'
+     * });
+     * ```
+     *
+     * The `crypto.DEFAULT_ENCODING` property can be used to change the way the`derivedKey` is passed to the callback. This property, however, has been
+     * deprecated and use should be avoided.
+     *
+     * ```js
+     * import crypto from 'crypto';
+     * crypto.DEFAULT_ENCODING = 'hex';
+     * crypto.pbkdf2('secret', 'salt', 100000, 512, 'sha512', (err, derivedKey) => {
+     *   if (err) throw err;
+     *   console.log(derivedKey);  // '3745e48...aa39b34'
+     * });
+     * ```
+     *
+     * An array of supported digest functions can be retrieved using {@link getHashes}.
+     *
+     * This API uses libuv's threadpool, which can have surprising and
+     * negative performance implications for some applications; see the `UV_THREADPOOL_SIZE` documentation for more information.
+     * @since v0.5.5
+     */
+    function pbkdf2(password: BinaryLike, salt: BinaryLike, iterations: number, keylen: number, digest: string, callback: (err: Error | null, derivedKey: Buffer) => void): void;
+    /**
+     * Provides a synchronous Password-Based Key Derivation Function 2 (PBKDF2)
+     * implementation. A selected HMAC digest algorithm specified by `digest` is
+     * applied to derive a key of the requested byte length (`keylen`) from the`password`, `salt` and `iterations`.
+     *
+     * If an error occurs an `Error` will be thrown, otherwise the derived key will be
+     * returned as a `Buffer`.
+     *
+     * If `digest` is `null`, `'sha1'` will be used. This behavior is deprecated,
+     * please specify a `digest` explicitly.
+     *
+     * The `iterations` argument must be a number set as high as possible. The
+     * higher the number of iterations, the more secure the derived key will be,
+     * but will take a longer amount of time to complete.
+     *
+     * The `salt` should be as unique as possible. It is recommended that a salt is
+     * random and at least 16 bytes long. See [NIST SP 800-132](https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf) for details.
+     *
+     * When passing strings for `password` or `salt`, please consider `caveats when using strings as inputs to cryptographic APIs`.
+     *
+     * ```js
+     * const {
+     *   pbkdf2Sync
+     * } = await import('crypto');
+     *
+     * const key = pbkdf2Sync('secret', 'salt', 100000, 64, 'sha512');
+     * console.log(key.toString('hex'));  // '3745e48...08d59ae'
+     * ```
+     *
+     * The `crypto.DEFAULT_ENCODING` property may be used to change the way the`derivedKey` is returned. This property, however, is deprecated and use
+     * should be avoided.
+     *
+     * ```js
+     * import crypto from 'crypto';
+     * crypto.DEFAULT_ENCODING = 'hex';
+     * const key = crypto.pbkdf2Sync('secret', 'salt', 100000, 512, 'sha512');
+     * console.log(key);  // '3745e48...aa39b34'
+     * ```
+     *
+     * An array of supported digest functions can be retrieved using {@link getHashes}.
+     * @since v0.9.3
+     */
+    function pbkdf2Sync(password: BinaryLike, salt: BinaryLike, iterations: number, keylen: number, digest: string): Buffer;
+    /**
+     * Generates cryptographically strong pseudorandom data. The `size` argument
+     * is a number indicating the number of bytes to generate.
+     *
+     * If a `callback` function is provided, the bytes are generated asynchronously
+     * and the `callback` function is invoked with two arguments: `err` and `buf`.
+     * If an error occurs, `err` will be an `Error` object; otherwise it is `null`. The`buf` argument is a `Buffer` containing the generated bytes.
+     *
+     * ```js
+     * // Asynchronous
+     * const {
+     *   randomBytes
+     * } = await import('crypto');
+     *
+     * randomBytes(256, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(`${buf.length} bytes of random data: ${buf.toString('hex')}`);
+     * });
+     * ```
+     *
+     * If the `callback` function is not provided, the random bytes are generated
+     * synchronously and returned as a `Buffer`. An error will be thrown if
+     * there is a problem generating the bytes.
+     *
+     * ```js
+     * // Synchronous
+     * const {
+     *   randomBytes
+     * } = await import('crypto');
+     *
+     * const buf = randomBytes(256);
+     * console.log(
+     *   `${buf.length} bytes of random data: ${buf.toString('hex')}`);
+     * ```
+     *
+     * The `crypto.randomBytes()` method will not complete until there is
+     * sufficient entropy available.
+     * This should normally never take longer than a few milliseconds. The only time
+     * when generating the random bytes may conceivably block for a longer period of
+     * time is right after boot, when the whole system is still low on entropy.
+     *
+     * This API uses libuv's threadpool, which can have surprising and
+     * negative performance implications for some applications; see the `UV_THREADPOOL_SIZE` documentation for more information.
+     *
+     * The asynchronous version of `crypto.randomBytes()` is carried out in a single
+     * threadpool request. To minimize threadpool task length variation, partition
+     * large `randomBytes` requests when doing so as part of fulfilling a client
+     * request.
+     * @since v0.5.8
+     * @param size The number of bytes to generate. The `size` must not be larger than `2**31 - 1`.
+     * @return if the `callback` function is not provided.
+     */
+    function randomBytes(size: number): Buffer;
+    function randomBytes(size: number, callback: (err: Error | null, buf: Buffer) => void): void;
+    function pseudoRandomBytes(size: number): Buffer;
+    function pseudoRandomBytes(size: number, callback: (err: Error | null, buf: Buffer) => void): void;
+    /**
+     * Return a random integer `n` such that `min <= n < max`.  This
+     * implementation avoids [modulo bias](https://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle#Modulo_bias).
+     *
+     * The range (`max - min`) must be less than 248. `min` and `max` must
+     * be [safe integers](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isSafeInteger).
+     *
+     * If the `callback` function is not provided, the random integer is
+     * generated synchronously.
+     *
+     * ```js
+     * // Asynchronous
+     * const {
+     *   randomInt
+     * } = await import('crypto');
+     *
+     * randomInt(3, (err, n) => {
+     *   if (err) throw err;
+     *   console.log(`Random number chosen from (0, 1, 2): ${n}`);
+     * });
+     * ```
+     *
+     * ```js
+     * // Synchronous
+     * const {
+     *   randomInt
+     * } = await import('crypto');
+     *
+     * const n = randomInt(3);
+     * console.log(`Random number chosen from (0, 1, 2): ${n}`);
+     * ```
+     *
+     * ```js
+     * // With `min` argument
+     * const {
+     *   randomInt
+     * } = await import('crypto');
+     *
+     * const n = randomInt(1, 7);
+     * console.log(`The dice rolled: ${n}`);
+     * ```
+     * @since v14.10.0, v12.19.0
+     * @param [min=0] Start of random range (inclusive).
+     * @param max End of random range (exclusive).
+     * @param callback `function(err, n) {}`.
+     */
+    function randomInt(max: number): number;
+    function randomInt(min: number, max: number): number;
+    function randomInt(max: number, callback: (err: Error | null, value: number) => void): void;
+    function randomInt(min: number, max: number, callback: (err: Error | null, value: number) => void): void;
+    /**
+     * Synchronous version of {@link randomFill}.
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const { randomFillSync } = await import('crypto');
+     *
+     * const buf = Buffer.alloc(10);
+     * console.log(randomFillSync(buf).toString('hex'));
+     *
+     * randomFillSync(buf, 5);
+     * console.log(buf.toString('hex'));
+     *
+     * // The above is equivalent to the following:
+     * randomFillSync(buf, 5, 5);
+     * console.log(buf.toString('hex'));
+     * ```
+     *
+     * Any `ArrayBuffer`, `TypedArray` or `DataView` instance may be passed as`buffer`.
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const { randomFillSync } = await import('crypto');
+     *
+     * const a = new Uint32Array(10);
+     * console.log(Buffer.from(randomFillSync(a).buffer,
+     *                         a.byteOffset, a.byteLength).toString('hex'));
+     *
+     * const b = new DataView(new ArrayBuffer(10));
+     * console.log(Buffer.from(randomFillSync(b).buffer,
+     *                         b.byteOffset, b.byteLength).toString('hex'));
+     *
+     * const c = new ArrayBuffer(10);
+     * console.log(Buffer.from(randomFillSync(c)).toString('hex'));
+     * ```
+     * @since v7.10.0, v6.13.0
+     * @param buffer Must be supplied. The size of the provided `buffer` must not be larger than `2**31 - 1`.
+     * @param [offset=0]
+     * @param [size=buffer.length - offset]
+     * @return The object passed as `buffer` argument.
+     */
+    function randomFillSync<T extends NodeJS.ArrayBufferView>(buffer: T, offset?: number, size?: number): T;
+    /**
+     * This function is similar to {@link randomBytes} but requires the first
+     * argument to be a `Buffer` that will be filled. It also
+     * requires that a callback is passed in.
+     *
+     * If the `callback` function is not provided, an error will be thrown.
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const { randomFill } = await import('crypto');
+     *
+     * const buf = Buffer.alloc(10);
+     * randomFill(buf, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(buf.toString('hex'));
+     * });
+     *
+     * randomFill(buf, 5, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(buf.toString('hex'));
+     * });
+     *
+     * // The above is equivalent to the following:
+     * randomFill(buf, 5, 5, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(buf.toString('hex'));
+     * });
+     * ```
+     *
+     * Any `ArrayBuffer`, `TypedArray`, or `DataView` instance may be passed as`buffer`.
+     *
+     * While this includes instances of `Float32Array` and `Float64Array`, this
+     * function should not be used to generate random floating-point numbers. The
+     * result may contain `+Infinity`, `-Infinity`, and `NaN`, and even if the array
+     * contains finite numbers only, they are not drawn from a uniform random
+     * distribution and have no meaningful lower or upper bounds.
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const { randomFill } = await import('crypto');
+     *
+     * const a = new Uint32Array(10);
+     * randomFill(a, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength)
+     *     .toString('hex'));
+     * });
+     *
+     * const b = new DataView(new ArrayBuffer(10));
+     * randomFill(b, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength)
+     *     .toString('hex'));
+     * });
+     *
+     * const c = new ArrayBuffer(10);
+     * randomFill(c, (err, buf) => {
+     *   if (err) throw err;
+     *   console.log(Buffer.from(buf).toString('hex'));
+     * });
+     * ```
+     *
+     * This API uses libuv's threadpool, which can have surprising and
+     * negative performance implications for some applications; see the `UV_THREADPOOL_SIZE` documentation for more information.
+     *
+     * The asynchronous version of `crypto.randomFill()` is carried out in a single
+     * threadpool request. To minimize threadpool task length variation, partition
+     * large `randomFill` requests when doing so as part of fulfilling a client
+     * request.
+     * @since v7.10.0, v6.13.0
+     * @param buffer Must be supplied. The size of the provided `buffer` must not be larger than `2**31 - 1`.
+     * @param [offset=0]
+     * @param [size=buffer.length - offset]
+     * @param callback `function(err, buf) {}`.
+     */
+    function randomFill<T extends NodeJS.ArrayBufferView>(buffer: T, callback: (err: Error | null, buf: T) => void): void;
+    function randomFill<T extends NodeJS.ArrayBufferView>(buffer: T, offset: number, callback: (err: Error | null, buf: T) => void): void;
+    function randomFill<T extends NodeJS.ArrayBufferView>(buffer: T, offset: number, size: number, callback: (err: Error | null, buf: T) => void): void;
+    interface ScryptOptions {
+        cost?: number | undefined;
+        blockSize?: number | undefined;
+        parallelization?: number | undefined;
+        N?: number | undefined;
+        r?: number | undefined;
+        p?: number | undefined;
+        maxmem?: number | undefined;
+    }
+    /**
+     * Provides an asynchronous [scrypt](https://en.wikipedia.org/wiki/Scrypt) implementation. Scrypt is a password-based
+     * key derivation function that is designed to be expensive computationally and
+     * memory-wise in order to make brute-force attacks unrewarding.
+     *
+     * The `salt` should be as unique as possible. It is recommended that a salt is
+     * random and at least 16 bytes long. See [NIST SP 800-132](https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf) for details.
+     *
+     * When passing strings for `password` or `salt`, please consider `caveats when using strings as inputs to cryptographic APIs`.
+     *
+     * The `callback` function is called with two arguments: `err` and `derivedKey`.`err` is an exception object when key derivation fails, otherwise `err` is`null`. `derivedKey` is passed to the
+     * callback as a `Buffer`.
+     *
+     * An exception is thrown when any of the input arguments specify invalid values
+     * or types.
+     *
+     * ```js
+     * const {
+     *   scrypt
+     * } = await import('crypto');
+     *
+     * // Using the factory defaults.
+     * scrypt('password', 'salt', 64, (err, derivedKey) => {
+     *   if (err) throw err;
+     *   console.log(derivedKey.toString('hex'));  // '3745e48...08d59ae'
+     * });
+     * // Using a custom N parameter. Must be a power of two.
+     * scrypt('password', 'salt', 64, { N: 1024 }, (err, derivedKey) => {
+     *   if (err) throw err;
+     *   console.log(derivedKey.toString('hex'));  // '3745e48...aa39b34'
+     * });
+     * ```
+     * @since v10.5.0
+     */
+    function scrypt(password: BinaryLike, salt: BinaryLike, keylen: number, callback: (err: Error | null, derivedKey: Buffer) => void): void;
+    function scrypt(password: BinaryLike, salt: BinaryLike, keylen: number, options: ScryptOptions, callback: (err: Error | null, derivedKey: Buffer) => void): void;
+    /**
+     * Provides a synchronous [scrypt](https://en.wikipedia.org/wiki/Scrypt) implementation. Scrypt is a password-based
+     * key derivation function that is designed to be expensive computationally and
+     * memory-wise in order to make brute-force attacks unrewarding.
+     *
+     * The `salt` should be as unique as possible. It is recommended that a salt is
+     * random and at least 16 bytes long. See [NIST SP 800-132](https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf) for details.
+     *
+     * When passing strings for `password` or `salt`, please consider `caveats when using strings as inputs to cryptographic APIs`.
+     *
+     * An exception is thrown when key derivation fails, otherwise the derived key is
+     * returned as a `Buffer`.
+     *
+     * An exception is thrown when any of the input arguments specify invalid values
+     * or types.
+     *
+     * ```js
+     * const {
+     *   scryptSync
+     * } = await import('crypto');
+     * // Using the factory defaults.
+     *
+     * const key1 = scryptSync('password', 'salt', 64);
+     * console.log(key1.toString('hex'));  // '3745e48...08d59ae'
+     * // Using a custom N parameter. Must be a power of two.
+     * const key2 = scryptSync('password', 'salt', 64, { N: 1024 });
+     * console.log(key2.toString('hex'));  // '3745e48...aa39b34'
+     * ```
+     * @since v10.5.0
+     */
+    function scryptSync(password: BinaryLike, salt: BinaryLike, keylen: number, options?: ScryptOptions): Buffer;
+    interface RsaPublicKey {
+        key: KeyLike;
+        padding?: number | undefined;
+    }
+    interface RsaPrivateKey {
+        key: KeyLike;
+        passphrase?: string | undefined;
+        /**
+         * @default 'sha1'
+         */
+        oaepHash?: string | undefined;
+        oaepLabel?: NodeJS.TypedArray | undefined;
+        padding?: number | undefined;
+    }
+    /**
+     * Encrypts the content of `buffer` with `key` and returns a new `Buffer` with encrypted content. The returned data can be decrypted using
+     * the corresponding private key, for example using {@link privateDecrypt}.
+     *
+     * If `key` is not a `KeyObject`, this function behaves as if`key` had been passed to {@link createPublicKey}. If it is an
+     * object, the `padding` property can be passed. Otherwise, this function uses`RSA_PKCS1_OAEP_PADDING`.
+     *
+     * Because RSA public keys can be derived from private keys, a private key may
+     * be passed instead of a public key.
+     * @since v0.11.14
+     */
+    function publicEncrypt(key: RsaPublicKey | RsaPrivateKey | KeyLike, buffer: NodeJS.ArrayBufferView): Buffer;
+    /**
+     * Decrypts `buffer` with `key`.`buffer` was previously encrypted using
+     * the corresponding private key, for example using {@link privateEncrypt}.
+     *
+     * If `key` is not a `KeyObject`, this function behaves as if`key` had been passed to {@link createPublicKey}. If it is an
+     * object, the `padding` property can be passed. Otherwise, this function uses`RSA_PKCS1_PADDING`.
+     *
+     * Because RSA public keys can be derived from private keys, a private key may
+     * be passed instead of a public key.
+     * @since v1.1.0
+     */
+    function publicDecrypt(key: RsaPublicKey | RsaPrivateKey | KeyLike, buffer: NodeJS.ArrayBufferView): Buffer;
+    /**
+     * Decrypts `buffer` with `privateKey`. `buffer` was previously encrypted using
+     * the corresponding public key, for example using {@link publicEncrypt}.
+     *
+     * If `privateKey` is not a `KeyObject`, this function behaves as if`privateKey` had been passed to {@link createPrivateKey}. If it is an
+     * object, the `padding` property can be passed. Otherwise, this function uses`RSA_PKCS1_OAEP_PADDING`.
+     * @since v0.11.14
+     */
+    function privateDecrypt(privateKey: RsaPrivateKey | KeyLike, buffer: NodeJS.ArrayBufferView): Buffer;
+    /**
+     * Encrypts `buffer` with `privateKey`. The returned data can be decrypted using
+     * the corresponding public key, for example using {@link publicDecrypt}.
+     *
+     * If `privateKey` is not a `KeyObject`, this function behaves as if`privateKey` had been passed to {@link createPrivateKey}. If it is an
+     * object, the `padding` property can be passed. Otherwise, this function uses`RSA_PKCS1_PADDING`.
+     * @since v1.1.0
+     */
+    function privateEncrypt(privateKey: RsaPrivateKey | KeyLike, buffer: NodeJS.ArrayBufferView): Buffer;
+    /**
+     * ```js
+     * const {
+     *   getCiphers
+     * } = await import('crypto');
+     *
+     * console.log(getCiphers()); // ['aes-128-cbc', 'aes-128-ccm', ...]
+     * ```
+     * @since v0.9.3
+     * @return An array with the names of the supported cipher algorithms.
+     */
+    function getCiphers(): string[];
+    /**
+     * ```js
+     * const {
+     *   getCurves
+     * } = await import('crypto');
+     *
+     * console.log(getCurves()); // ['Oakley-EC2N-3', 'Oakley-EC2N-4', ...]
+     * ```
+     * @since v2.3.0
+     * @return An array with the names of the supported elliptic curves.
+     */
+    function getCurves(): string[];
+    /**
+     * @since v10.0.0
+     * @return `1` if and only if a FIPS compliant crypto provider is currently in use, `0` otherwise. A future semver-major release may change the return type of this API to a {boolean}.
+     */
+    function getFips(): 1 | 0;
+    /**
+     * Enables the FIPS compliant crypto provider in a FIPS-enabled Node.js build. Throws an error if FIPS mode is not available.
+     * @since v10.0.0
+     * @param bool `true` to enable FIPS mode.
+     */
+    function setFips(bool: boolean): void;
+    /**
+     * ```js
+     * const {
+     *   getHashes
+     * } = await import('crypto');
+     *
+     * console.log(getHashes()); // ['DSA', 'DSA-SHA', 'DSA-SHA1', ...]
+     * ```
+     * @since v0.9.3
+     * @return An array of the names of the supported hash algorithms, such as `'RSA-SHA256'`. Hash algorithms are also called "digest" algorithms.
+     */
+    function getHashes(): string[];
+    /**
+     * The `ECDH` class is a utility for creating Elliptic Curve Diffie-Hellman (ECDH)
+     * key exchanges.
+     *
+     * Instances of the `ECDH` class can be created using the {@link createECDH} function.
+     *
+     * ```js
+     * import assert from 'assert';
+     *
+     * const {
+     *   createECDH
+     * } = await import('crypto');
+     *
+     * // Generate Alice's keys...
+     * const alice = createECDH('secp521r1');
+     * const aliceKey = alice.generateKeys();
+     *
+     * // Generate Bob's keys...
+     * const bob = createECDH('secp521r1');
+     * const bobKey = bob.generateKeys();
+     *
+     * // Exchange and generate the secret...
+     * const aliceSecret = alice.computeSecret(bobKey);
+     * const bobSecret = bob.computeSecret(aliceKey);
+     *
+     * assert.strictEqual(aliceSecret.toString('hex'), bobSecret.toString('hex'));
+     * // OK
+     * ```
+     * @since v0.11.14
+     */
+    class ECDH {
+        private constructor();
+        /**
+         * Converts the EC Diffie-Hellman public key specified by `key` and `curve` to the
+         * format specified by `format`. The `format` argument specifies point encoding
+         * and can be `'compressed'`, `'uncompressed'` or `'hybrid'`. The supplied key is
+         * interpreted using the specified `inputEncoding`, and the returned key is encoded
+         * using the specified `outputEncoding`.
+         *
+         * Use {@link getCurves} to obtain a list of available curve names.
+         * On recent OpenSSL releases, `openssl ecparam -list_curves` will also display
+         * the name and description of each available elliptic curve.
+         *
+         * If `format` is not specified the point will be returned in `'uncompressed'`format.
+         *
+         * If the `inputEncoding` is not provided, `key` is expected to be a `Buffer`,`TypedArray`, or `DataView`.
+         *
+         * Example (uncompressing a key):
+         *
+         * ```js
+         * const {
+         *   createECDH,
+         *   ECDH
+         * } = await import('crypto');
+         *
+         * const ecdh = createECDH('secp256k1');
+         * ecdh.generateKeys();
+         *
+         * const compressedKey = ecdh.getPublicKey('hex', 'compressed');
+         *
+         * const uncompressedKey = ECDH.convertKey(compressedKey,
+         *                                         'secp256k1',
+         *                                         'hex',
+         *                                         'hex',
+         *                                         'uncompressed');
+         *
+         * // The converted key and the uncompressed public key should be the same
+         * console.log(uncompressedKey === ecdh.getPublicKey('hex'));
+         * ```
+         * @since v10.0.0
+         * @param inputEncoding The `encoding` of the `key` string.
+         * @param outputEncoding The `encoding` of the return value.
+         * @param [format='uncompressed']
+         */
+        static convertKey(
+            key: BinaryLike,
+            curve: string,
+            inputEncoding?: BinaryToTextEncoding,
+            outputEncoding?: 'latin1' | 'hex' | 'base64' | 'base64url',
+            format?: 'uncompressed' | 'compressed' | 'hybrid'
+        ): Buffer | string;
+        /**
+         * Generates private and public EC Diffie-Hellman key values, and returns
+         * the public key in the specified `format` and `encoding`. This key should be
+         * transferred to the other party.
+         *
+         * The `format` argument specifies point encoding and can be `'compressed'` or`'uncompressed'`. If `format` is not specified, the point will be returned in`'uncompressed'` format.
+         *
+         * If `encoding` is provided a string is returned; otherwise a `Buffer` is returned.
+         * @since v0.11.14
+         * @param encoding The `encoding` of the return value.
+         * @param [format='uncompressed']
+         */
+        generateKeys(): Buffer;
+        generateKeys(encoding: BinaryToTextEncoding, format?: ECDHKeyFormat): string;
+        /**
+         * Computes the shared secret using `otherPublicKey` as the other
+         * party's public key and returns the computed shared secret. The supplied
+         * key is interpreted using specified `inputEncoding`, and the returned secret
+         * is encoded using the specified `outputEncoding`.
+         * If the `inputEncoding` is not
+         * provided, `otherPublicKey` is expected to be a `Buffer`, `TypedArray`, or`DataView`.
+         *
+         * If `outputEncoding` is given a string will be returned; otherwise a `Buffer` is returned.
+         *
+         * `ecdh.computeSecret` will throw an`ERR_CRYPTO_ECDH_INVALID_PUBLIC_KEY` error when `otherPublicKey`lies outside of the elliptic curve. Since `otherPublicKey` is
+         * usually supplied from a remote user over an insecure network,
+         * be sure to handle this exception accordingly.
+         * @since v0.11.14
+         * @param inputEncoding The `encoding` of the `otherPublicKey` string.
+         * @param outputEncoding The `encoding` of the return value.
+         */
+        computeSecret(otherPublicKey: NodeJS.ArrayBufferView): Buffer;
+        computeSecret(otherPublicKey: string, inputEncoding: BinaryToTextEncoding): Buffer;
+        computeSecret(otherPublicKey: NodeJS.ArrayBufferView, outputEncoding: BinaryToTextEncoding): string;
+        computeSecret(otherPublicKey: string, inputEncoding: BinaryToTextEncoding, outputEncoding: BinaryToTextEncoding): string;
+        /**
+         * If `encoding` is specified, a string is returned; otherwise a `Buffer` is
+         * returned.
+         * @since v0.11.14
+         * @param encoding The `encoding` of the return value.
+         * @return The EC Diffie-Hellman in the specified `encoding`.
+         */
+        getPrivateKey(): Buffer;
+        getPrivateKey(encoding: BinaryToTextEncoding): string;
+        /**
+         * The `format` argument specifies point encoding and can be `'compressed'` or`'uncompressed'`. If `format` is not specified the point will be returned in`'uncompressed'` format.
+         *
+         * If `encoding` is specified, a string is returned; otherwise a `Buffer` is
+         * returned.
+         * @since v0.11.14
+         * @param [encoding] The `encoding` of the return value.
+         * @param [format='uncompressed']
+         * @return The EC Diffie-Hellman public key in the specified `encoding` and `format`.
+         */
+        getPublicKey(encoding?: null, format?: ECDHKeyFormat): Buffer;
+        getPublicKey(encoding: BinaryToTextEncoding, format?: ECDHKeyFormat): string;
+        /**
+         * Sets the EC Diffie-Hellman private key.
+         * If `encoding` is provided, `privateKey` is expected
+         * to be a string; otherwise `privateKey` is expected to be a `Buffer`,`TypedArray`, or `DataView`.
+         *
+         * If `privateKey` is not valid for the curve specified when the `ECDH` object was
+         * created, an error is thrown. Upon setting the private key, the associated
+         * public point (key) is also generated and set in the `ECDH` object.
+         * @since v0.11.14
+         * @param encoding The `encoding` of the `privateKey` string.
+         */
+        setPrivateKey(privateKey: NodeJS.ArrayBufferView): void;
+        setPrivateKey(privateKey: string, encoding: BinaryToTextEncoding): void;
+    }
+    /**
+     * Creates an Elliptic Curve Diffie-Hellman (`ECDH`) key exchange object using a
+     * predefined curve specified by the `curveName` string. Use {@link getCurves} to obtain a list of available curve names. On recent
+     * OpenSSL releases, `openssl ecparam -list_curves` will also display the name
+     * and description of each available elliptic curve.
+     * @since v0.11.14
+     */
+    function createECDH(curveName: string): ECDH;
+    /**
+     * This function is based on a constant-time algorithm.
+     * Returns true if `a` is equal to `b`, without leaking timing information that
+     * would allow an attacker to guess one of the values. This is suitable for
+     * comparing HMAC digests or secret values like authentication cookies or [capability urls](https://www.w3.org/TR/capability-urls/).
+     *
+     * `a` and `b` must both be `Buffer`s, `TypedArray`s, or `DataView`s, and they
+     * must have the same byte length. An error is thrown if `a` and `b` have
+     * different byte lengths.
+     *
+     * If at least one of `a` and `b` is a `TypedArray` with more than one byte per
+     * entry, such as `Uint16Array`, the result will be computed using the platform
+     * byte order.
+     *
+     * Use of `crypto.timingSafeEqual` does not guarantee that the _surrounding_ code
+     * is timing-safe. Care should be taken to ensure that the surrounding code does
+     * not introduce timing vulnerabilities.
+     * @since v6.6.0
+     */
+    function timingSafeEqual(a: NodeJS.ArrayBufferView, b: NodeJS.ArrayBufferView): boolean;
+    /** @deprecated since v10.0.0 */
+    const DEFAULT_ENCODING: BufferEncoding;
+    type KeyType = 'rsa' | 'rsa-pss' | 'dsa' | 'ec' | 'ed25519' | 'ed448' | 'x25519' | 'x448';
+    type KeyFormat = 'pem' | 'der';
+    interface BasePrivateKeyEncodingOptions<T extends KeyFormat> {
+        format: T;
+        cipher?: string | undefined;
+        passphrase?: string | undefined;
+    }
+    interface KeyPairKeyObjectResult {
+        publicKey: KeyObject;
+        privateKey: KeyObject;
+    }
+    interface ED25519KeyPairKeyObjectOptions {}
+    interface ED448KeyPairKeyObjectOptions {}
+    interface X25519KeyPairKeyObjectOptions {}
+    interface X448KeyPairKeyObjectOptions {}
+    interface ECKeyPairKeyObjectOptions {
+        /**
+         * Name of the curve to use
+         */
+        namedCurve: string;
+    }
+    interface RSAKeyPairKeyObjectOptions {
+        /**
+         * Key size in bits
+         */
+        modulusLength: number;
+        /**
+         * Public exponent
+         * @default 0x10001
+         */
+        publicExponent?: number | undefined;
+    }
+    interface RSAPSSKeyPairKeyObjectOptions {
+        /**
+         * Key size in bits
+         */
+        modulusLength: number;
+        /**
+         * Public exponent
+         * @default 0x10001
+         */
+        publicExponent?: number | undefined;
+        /**
+         * Name of the message digest
+         */
+        hashAlgorithm?: string;
+        /**
+         * Name of the message digest used by MGF1
+         */
+        mgf1HashAlgorithm?: string;
+        /**
+         * Minimal salt length in bytes
+         */
+        saltLength?: string;
+    }
+    interface DSAKeyPairKeyObjectOptions {
+        /**
+         * Key size in bits
+         */
+        modulusLength: number;
+        /**
+         * Size of q in bits
+         */
+        divisorLength: number;
+    }
+    interface RSAKeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        /**
+         * Key size in bits
+         */
+        modulusLength: number;
+        /**
+         * Public exponent
+         * @default 0x10001
+         */
+        publicExponent?: number | undefined;
+        publicKeyEncoding: {
+            type: 'pkcs1' | 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs1' | 'pkcs8';
+        };
+    }
+    interface RSAPSSKeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        /**
+         * Key size in bits
+         */
+        modulusLength: number;
+        /**
+         * Public exponent
+         * @default 0x10001
+         */
+        publicExponent?: number | undefined;
+        /**
+         * Name of the message digest
+         */
+        hashAlgorithm?: string;
+        /**
+         * Name of the message digest used by MGF1
+         */
+        mgf1HashAlgorithm?: string;
+        /**
+         * Minimal salt length in bytes
+         */
+        saltLength?: string;
+        publicKeyEncoding: {
+            type: 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs8';
+        };
+    }
+    interface DSAKeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        /**
+         * Key size in bits
+         */
+        modulusLength: number;
+        /**
+         * Size of q in bits
+         */
+        divisorLength: number;
+        publicKeyEncoding: {
+            type: 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs8';
+        };
+    }
+    interface ECKeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        /**
+         * Name of the curve to use.
+         */
+        namedCurve: string;
+        publicKeyEncoding: {
+            type: 'pkcs1' | 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'sec1' | 'pkcs8';
+        };
+    }
+    interface ED25519KeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        publicKeyEncoding: {
+            type: 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs8';
+        };
+    }
+    interface ED448KeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        publicKeyEncoding: {
+            type: 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs8';
+        };
+    }
+    interface X25519KeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        publicKeyEncoding: {
+            type: 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs8';
+        };
+    }
+    interface X448KeyPairOptions<PubF extends KeyFormat, PrivF extends KeyFormat> {
+        publicKeyEncoding: {
+            type: 'spki';
+            format: PubF;
+        };
+        privateKeyEncoding: BasePrivateKeyEncodingOptions<PrivF> & {
+            type: 'pkcs8';
+        };
+    }
+    interface KeyPairSyncResult<T1 extends string | Buffer, T2 extends string | Buffer> {
+        publicKey: T1;
+        privateKey: T2;
+    }
+    /**
+     * Generates a new asymmetric key pair of the given `type`. RSA, RSA-PSS, DSA, EC,
+     * Ed25519, Ed448, X25519, X448, and DH are currently supported.
+     *
+     * If a `publicKeyEncoding` or `privateKeyEncoding` was specified, this function
+     * behaves as if `keyObject.export()` had been called on its result. Otherwise,
+     * the respective part of the key is returned as a `KeyObject`.
+     *
+     * When encoding public keys, it is recommended to use `'spki'`. When encoding
+     * private keys, it is recommended to use `'pkcs8'` with a strong passphrase,
+     * and to keep the passphrase confidential.
+     *
+     * ```js
+     * const {
+     *   generateKeyPairSync
+     * } = await import('crypto');
+     *
+     * const {
+     *   publicKey,
+     *   privateKey,
+     * } = generateKeyPairSync('rsa', {
+     *   modulusLength: 4096,
+     *   publicKeyEncoding: {
+     *     type: 'spki',
+     *     format: 'pem'
+     *   },
+     *   privateKeyEncoding: {
+     *     type: 'pkcs8',
+     *     format: 'pem',
+     *     cipher: 'aes-256-cbc',
+     *     passphrase: 'top secret'
+     *   }
+     * });
+     * ```
+     *
+     * The return value `{ publicKey, privateKey }` represents the generated key pair.
+     * When PEM encoding was selected, the respective key will be a string, otherwise
+     * it will be a buffer containing the data encoded as DER.
+     * @since v10.12.0
+     * @param type Must be `'rsa'`, `'rsa-pss'`, `'dsa'`, `'ec'`, `'ed25519'`, `'ed448'`, `'x25519'`, `'x448'`, or `'dh'`.
+     */
+    function generateKeyPairSync(type: 'rsa', options: RSAKeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'rsa', options: RSAKeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'rsa', options: RSAKeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'rsa', options: RSAKeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'rsa', options: RSAKeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'rsa-pss', options: RSAPSSKeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'dsa', options: DSAKeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'dsa', options: DSAKeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'dsa', options: DSAKeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'dsa', options: DSAKeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'dsa', options: DSAKeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'ec', options: ECKeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'ec', options: ECKeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'ec', options: ECKeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'ec', options: ECKeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'ec', options: ECKeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'ed25519', options: ED25519KeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'ed25519', options: ED25519KeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'ed25519', options: ED25519KeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'ed25519', options: ED25519KeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'ed25519', options?: ED25519KeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'ed448', options: ED448KeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'ed448', options: ED448KeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'ed448', options: ED448KeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'ed448', options: ED448KeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'ed448', options?: ED448KeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'x25519', options: X25519KeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'x25519', options: X25519KeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'x25519', options: X25519KeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'x25519', options: X25519KeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'x25519', options?: X25519KeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    function generateKeyPairSync(type: 'x448', options: X448KeyPairOptions<'pem', 'pem'>): KeyPairSyncResult<string, string>;
+    function generateKeyPairSync(type: 'x448', options: X448KeyPairOptions<'pem', 'der'>): KeyPairSyncResult<string, Buffer>;
+    function generateKeyPairSync(type: 'x448', options: X448KeyPairOptions<'der', 'pem'>): KeyPairSyncResult<Buffer, string>;
+    function generateKeyPairSync(type: 'x448', options: X448KeyPairOptions<'der', 'der'>): KeyPairSyncResult<Buffer, Buffer>;
+    function generateKeyPairSync(type: 'x448', options?: X448KeyPairKeyObjectOptions): KeyPairKeyObjectResult;
+    /**
+     * Generates a new asymmetric key pair of the given `type`. RSA, RSA-PSS, DSA, EC,
+     * Ed25519, Ed448, X25519, X448, and DH are currently supported.
+     *
+     * If a `publicKeyEncoding` or `privateKeyEncoding` was specified, this function
+     * behaves as if `keyObject.export()` had been called on its result. Otherwise,
+     * the respective part of the key is returned as a `KeyObject`.
+     *
+     * It is recommended to encode public keys as `'spki'` and private keys as`'pkcs8'` with encryption for long-term storage:
+     *
+     * ```js
+     * const {
+     *   generateKeyPair
+     * } = await import('crypto');
+     *
+     * generateKeyPair('rsa', {
+     *   modulusLength: 4096,
+     *   publicKeyEncoding: {
+     *     type: 'spki',
+     *     format: 'pem'
+     *   },
+     *   privateKeyEncoding: {
+     *     type: 'pkcs8',
+     *     format: 'pem',
+     *     cipher: 'aes-256-cbc',
+     *     passphrase: 'top secret'
+     *   }
+     * }, (err, publicKey, privateKey) => {
+     *   // Handle errors and use the generated key pair.
+     * });
+     * ```
+     *
+     * On completion, `callback` will be called with `err` set to `undefined` and`publicKey` / `privateKey` representing the generated key pair.
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns
+     * a `Promise` for an `Object` with `publicKey` and `privateKey` properties.
+     * @since v10.12.0
+     * @param type Must be `'rsa'`, `'rsa-pss'`, `'dsa'`, `'ec'`, `'ed25519'`, `'ed448'`, `'x25519'`, `'x448'`, or `'dh'`.
+     */
+    function generateKeyPair(type: 'rsa', options: RSAKeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'rsa', options: RSAKeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'rsa', options: RSAKeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'rsa', options: RSAKeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'rsa', options: RSAKeyPairKeyObjectOptions, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'rsa-pss', options: RSAPSSKeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'rsa-pss', options: RSAPSSKeyPairKeyObjectOptions, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'dsa', options: DSAKeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'dsa', options: DSAKeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'dsa', options: DSAKeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'dsa', options: DSAKeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'dsa', options: DSAKeyPairKeyObjectOptions, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'ec', options: ECKeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'ec', options: ECKeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'ec', options: ECKeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'ec', options: ECKeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'ec', options: ECKeyPairKeyObjectOptions, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'ed25519', options: ED25519KeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'ed25519', options: ED25519KeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'ed25519', options: ED25519KeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'ed25519', options: ED25519KeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'ed25519', options: ED25519KeyPairKeyObjectOptions | undefined, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'ed448', options: ED448KeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'ed448', options: ED448KeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'ed448', options: ED448KeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'ed448', options: ED448KeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'ed448', options: ED448KeyPairKeyObjectOptions | undefined, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'x25519', options: X25519KeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'x25519', options: X25519KeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'x25519', options: X25519KeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'x25519', options: X25519KeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'x25519', options: X25519KeyPairKeyObjectOptions | undefined, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    function generateKeyPair(type: 'x448', options: X448KeyPairOptions<'pem', 'pem'>, callback: (err: Error | null, publicKey: string, privateKey: string) => void): void;
+    function generateKeyPair(type: 'x448', options: X448KeyPairOptions<'pem', 'der'>, callback: (err: Error | null, publicKey: string, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'x448', options: X448KeyPairOptions<'der', 'pem'>, callback: (err: Error | null, publicKey: Buffer, privateKey: string) => void): void;
+    function generateKeyPair(type: 'x448', options: X448KeyPairOptions<'der', 'der'>, callback: (err: Error | null, publicKey: Buffer, privateKey: Buffer) => void): void;
+    function generateKeyPair(type: 'x448', options: X448KeyPairKeyObjectOptions | undefined, callback: (err: Error | null, publicKey: KeyObject, privateKey: KeyObject) => void): void;
+    namespace generateKeyPair {
+        function __promisify__(
+            type: 'rsa',
+            options: RSAKeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'rsa',
+            options: RSAKeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'rsa',
+            options: RSAKeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'rsa',
+            options: RSAKeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'rsa', options: RSAKeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'rsa-pss',
+            options: RSAPSSKeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'rsa-pss',
+            options: RSAPSSKeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'rsa-pss',
+            options: RSAPSSKeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'rsa-pss',
+            options: RSAPSSKeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'rsa-pss', options: RSAPSSKeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'dsa',
+            options: DSAKeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'dsa',
+            options: DSAKeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'dsa',
+            options: DSAKeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'dsa',
+            options: DSAKeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'dsa', options: DSAKeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'ec',
+            options: ECKeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'ec',
+            options: ECKeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'ec',
+            options: ECKeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'ec',
+            options: ECKeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'ec', options: ECKeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'ed25519',
+            options: ED25519KeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'ed25519',
+            options: ED25519KeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'ed25519',
+            options: ED25519KeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'ed25519',
+            options: ED25519KeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'ed25519', options?: ED25519KeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'ed448',
+            options: ED448KeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'ed448',
+            options: ED448KeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'ed448',
+            options: ED448KeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'ed448',
+            options: ED448KeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'ed448', options?: ED448KeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'x25519',
+            options: X25519KeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'x25519',
+            options: X25519KeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'x25519',
+            options: X25519KeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'x25519',
+            options: X25519KeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'x25519', options?: X25519KeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+        function __promisify__(
+            type: 'x448',
+            options: X448KeyPairOptions<'pem', 'pem'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'x448',
+            options: X448KeyPairOptions<'pem', 'der'>
+        ): Promise<{
+            publicKey: string;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(
+            type: 'x448',
+            options: X448KeyPairOptions<'der', 'pem'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: string;
+        }>;
+        function __promisify__(
+            type: 'x448',
+            options: X448KeyPairOptions<'der', 'der'>
+        ): Promise<{
+            publicKey: Buffer;
+            privateKey: Buffer;
+        }>;
+        function __promisify__(type: 'x448', options?: X448KeyPairKeyObjectOptions): Promise<KeyPairKeyObjectResult>;
+    }
+    /**
+     * Calculates and returns the signature for `data` using the given private key and
+     * algorithm. If `algorithm` is `null` or `undefined`, then the algorithm is
+     * dependent upon the key type (especially Ed25519 and Ed448).
+     *
+     * If `key` is not a `KeyObject`, this function behaves as if `key` had been
+     * passed to {@link createPrivateKey}. If it is an object, the following
+     * additional properties can be passed:
+     *
+     * If the `callback` function is provided this function uses libuv's threadpool.
+     * @since v12.0.0
+     */
+    function sign(algorithm: string | null | undefined, data: NodeJS.ArrayBufferView, key: KeyLike | SignKeyObjectInput | SignPrivateKeyInput): Buffer;
+    function sign(
+        algorithm: string | null | undefined,
+        data: NodeJS.ArrayBufferView,
+        key: KeyLike | SignKeyObjectInput | SignPrivateKeyInput,
+        callback: (error: Error | null, data: Buffer) => void
+    ): void;
+    /**
+     * Verifies the given signature for `data` using the given key and algorithm. If`algorithm` is `null` or `undefined`, then the algorithm is dependent upon the
+     * key type (especially Ed25519 and Ed448).
+     *
+     * If `key` is not a `KeyObject`, this function behaves as if `key` had been
+     * passed to {@link createPublicKey}. If it is an object, the following
+     * additional properties can be passed:
+     *
+     * The `signature` argument is the previously calculated signature for the `data`.
+     *
+     * Because public keys can be derived from private keys, a private key or a public
+     * key may be passed for `key`.
+     *
+     * If the `callback` function is provided this function uses libuv's threadpool.
+     * @since v12.0.0
+     */
+    function verify(algorithm: string | null | undefined, data: NodeJS.ArrayBufferView, key: KeyLike | VerifyKeyObjectInput | VerifyPublicKeyInput, signature: NodeJS.ArrayBufferView): boolean;
+    function verify(
+        algorithm: string | null | undefined,
+        data: NodeJS.ArrayBufferView,
+        key: KeyLike | VerifyKeyObjectInput | VerifyPublicKeyInput,
+        signature: NodeJS.ArrayBufferView,
+        callback: (error: Error | null, result: boolean) => void
+    ): void;
+    /**
+     * Computes the Diffie-Hellman secret based on a `privateKey` and a `publicKey`.
+     * Both keys must have the same `asymmetricKeyType`, which must be one of `'dh'`(for Diffie-Hellman), `'ec'` (for ECDH), `'x448'`, or `'x25519'` (for ECDH-ES).
+     * @since v13.9.0, v12.17.0
+     */
+    function diffieHellman(options: { privateKey: KeyObject; publicKey: KeyObject }): Buffer;
+    type CipherMode = 'cbc' | 'ccm' | 'cfb' | 'ctr' | 'ecb' | 'gcm' | 'ocb' | 'ofb' | 'stream' | 'wrap' | 'xts';
+    interface CipherInfoOptions {
+        /**
+         * A test key length.
+         */
+        keyLength?: number | undefined;
+        /**
+         * A test IV length.
+         */
+        ivLength?: number | undefined;
+    }
+    interface CipherInfo {
+        /**
+         * The name of the cipher.
+         */
+        name: string;
+        /**
+         * The nid of the cipher.
+         */
+        nid: number;
+        /**
+         * The block size of the cipher in bytes.
+         * This property is omitted when mode is 'stream'.
+         */
+        blockSize?: number | undefined;
+        /**
+         * The expected or default initialization vector length in bytes.
+         * This property is omitted if the cipher does not use an initialization vector.
+         */
+        ivLength?: number | undefined;
+        /**
+         * The expected or default key length in bytes.
+         */
+        keyLength: number;
+        /**
+         * The cipher mode.
+         */
+        mode: CipherMode;
+    }
+    /**
+     * Returns information about a given cipher.
+     *
+     * Some ciphers accept variable length keys and initialization vectors. By default,
+     * the `crypto.getCipherInfo()` method will return the default values for these
+     * ciphers. To test if a given key length or iv length is acceptable for given
+     * cipher, use the `keyLength` and `ivLength` options. If the given values are
+     * unacceptable, `undefined` will be returned.
+     * @since v15.0.0
+     * @param nameOrNid The name or nid of the cipher to query.
+     */
+    function getCipherInfo(nameOrNid: string | number, options?: CipherInfoOptions): CipherInfo | undefined;
+    /**
+     * HKDF is a simple key derivation function defined in RFC 5869\. The given `ikm`,`salt` and `info` are used with the `digest` to derive a key of `keylen` bytes.
+     *
+     * The supplied `callback` function is called with two arguments: `err` and`derivedKey`. If an errors occurs while deriving the key, `err` will be set;
+     * otherwise `err` will be `null`. The successfully generated `derivedKey` will
+     * be passed to the callback as an [ArrayBuffer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer). An error will be thrown if any
+     * of the input arguments specify invalid values or types.
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const {
+     *   hkdf
+     * } = await import('crypto');
+     *
+     * hkdf('sha512', 'key', 'salt', 'info', 64, (err, derivedKey) => {
+     *   if (err) throw err;
+     *   console.log(Buffer.from(derivedKey).toString('hex'));  // '24156e2...5391653'
+     * });
+     * ```
+     * @since v15.0.0
+     * @param digest The digest algorithm to use.
+     * @param ikm The input keying material. It must be at least one byte in length.
+     * @param salt The salt value. Must be provided but can be zero-length.
+     * @param info Additional info value. Must be provided but can be zero-length, and cannot be more than 1024 bytes.
+     * @param keylen The length of the key to generate. Must be greater than 0. The maximum allowable value is `255` times the number of bytes produced by the selected digest function (e.g. `sha512`
+     * generates 64-byte hashes, making the maximum HKDF output 16320 bytes).
+     */
+    function hkdf(digest: string, irm: BinaryLike | KeyObject, salt: BinaryLike, info: BinaryLike, keylen: number, callback: (err: Error | null, derivedKey: ArrayBuffer) => void): void;
+    /**
+     * Provides a synchronous HKDF key derivation function as defined in RFC 5869\. The
+     * given `ikm`, `salt` and `info` are used with the `digest` to derive a key of`keylen` bytes.
+     *
+     * The successfully generated `derivedKey` will be returned as an [ArrayBuffer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer).
+     *
+     * An error will be thrown if any of the input arguments specify invalid values or
+     * types, or if the derived key cannot be generated.
+     *
+     * ```js
+     * import { Buffer } from 'buffer';
+     * const {
+     *   hkdfSync
+     * } = await import('crypto');
+     *
+     * const derivedKey = hkdfSync('sha512', 'key', 'salt', 'info', 64);
+     * console.log(Buffer.from(derivedKey).toString('hex'));  // '24156e2...5391653'
+     * ```
+     * @since v15.0.0
+     * @param digest The digest algorithm to use.
+     * @param ikm The input keying material. It must be at least one byte in length.
+     * @param salt The salt value. Must be provided but can be zero-length.
+     * @param info Additional info value. Must be provided but can be zero-length, and cannot be more than 1024 bytes.
+     * @param keylen The length of the key to generate. Must be greater than 0. The maximum allowable value is `255` times the number of bytes produced by the selected digest function (e.g. `sha512`
+     * generates 64-byte hashes, making the maximum HKDF output 16320 bytes).
+     */
+    function hkdfSync(digest: string, ikm: BinaryLike | KeyObject, salt: BinaryLike, info: BinaryLike, keylen: number): ArrayBuffer;
+    interface SecureHeapUsage {
+        /**
+         * The total allocated secure heap size as specified using the `--secure-heap=n` command-line flag.
+         */
+        total: number;
+        /**
+         * The minimum allocation from the secure heap as specified using the `--secure-heap-min` command-line flag.
+         */
+        min: number;
+        /**
+         * The total number of bytes currently allocated from the secure heap.
+         */
+        used: number;
+        /**
+         * The calculated ratio of `used` to `total` allocated bytes.
+         */
+        utilization: number;
+    }
+    /**
+     * @since v15.6.0
+     */
+    function secureHeapUsed(): SecureHeapUsage;
+    interface RandomUUIDOptions {
+        /**
+         * By default, to improve performance,
+         * Node.js will pre-emptively generate and persistently cache enough
+         * random data to generate up to 128 random UUIDs. To generate a UUID
+         * without using the cache, set `disableEntropyCache` to `true`.
+         *
+         * @default `false`
+         */
+        disableEntropyCache?: boolean | undefined;
+    }
+    /**
+     * Generates a random [RFC 4122](https://www.rfc-editor.org/rfc/rfc4122.txt) version 4 UUID. The UUID is generated using a
+     * cryptographic pseudorandom number generator.
+     * @since v15.6.0, v14.17.0
+     */
+    function randomUUID(options?: RandomUUIDOptions): string;
+    interface X509CheckOptions {
+        /**
+         * @default 'always'
+         */
+        subject: 'always' | 'never';
+        /**
+         * @default true
+         */
+        wildcards: boolean;
+        /**
+         * @default true
+         */
+        partialWildcards: boolean;
+        /**
+         * @default false
+         */
+        multiLabelWildcards: boolean;
+        /**
+         * @default false
+         */
+        singleLabelSubdomains: boolean;
+    }
+    /**
+     * Encapsulates an X509 certificate and provides read-only access to
+     * its information.
+     *
+     * ```js
+     * const { X509Certificate } = await import('crypto');
+     *
+     * const x509 = new X509Certificate('{... pem encoded cert ...}');
+     *
+     * console.log(x509.subject);
+     * ```
+     * @since v15.6.0
+     */
+    class X509Certificate {
+        /**
+         * Will be \`true\` if this is a Certificate Authority (CA) certificate.
+         * @since v15.6.0
+         */
+        readonly ca: boolean;
+        /**
+         * The SHA-1 fingerprint of this certificate.
+         *
+         * Because SHA-1 is cryptographically broken and because the security of SHA-1 is
+         * significantly worse than that of algorithms that are commonly used to sign
+         * certificates, consider using `x509.fingerprint256` instead.
+         * @since v15.6.0
+         */
+        readonly fingerprint: string;
+        /**
+         * The SHA-256 fingerprint of this certificate.
+         * @since v15.6.0
+         */
+        readonly fingerprint256: string;
+        /**
+         * The SHA-512 fingerprint of this certificate.
+         * @since v16.14.0
+         */
+         readonly fingerprint512: string;
+        /**
+         * The complete subject of this certificate.
+         * @since v15.6.0
+         */
+        readonly subject: string;
+        /**
+         * The subject alternative name specified for this certificate or `undefined`
+         * if not available.
+         * @since v15.6.0
+         */
+        readonly subjectAltName: string | undefined;
+        /**
+         * The information access content of this certificate or `undefined` if not
+         * available.
+         * @since v15.6.0
+         */
+        readonly infoAccess: string | undefined;
+        /**
+         * An array detailing the key usages for this certificate.
+         * @since v15.6.0
+         */
+        readonly keyUsage: string[];
+        /**
+         * The issuer identification included in this certificate.
+         * @since v15.6.0
+         */
+        readonly issuer: string;
+        /**
+         * The issuer certificate or `undefined` if the issuer certificate is not
+         * available.
+         * @since v15.9.0
+         */
+        readonly issuerCertificate?: X509Certificate | undefined;
+        /**
+         * The public key `KeyObject` for this certificate.
+         * @since v15.6.0
+         */
+        readonly publicKey: KeyObject;
+        /**
+         * A `Buffer` containing the DER encoding of this certificate.
+         * @since v15.6.0
+         */
+        readonly raw: Buffer;
+        /**
+         * The serial number of this certificate.
+         *
+         * Serial numbers are assigned by certificate authorities and do not uniquely
+         * identify certificates. Consider using `x509.fingerprint256` as a unique
+         * identifier instead.
+         * @since v15.6.0
+         */
+        readonly serialNumber: string;
+        /**
+         * The date/time from which this certificate is considered valid.
+         * @since v15.6.0
+         */
+        readonly validFrom: string;
+        /**
+         * The date/time until which this certificate is considered valid.
+         * @since v15.6.0
+         */
+        readonly validTo: string;
+        constructor(buffer: BinaryLike);
+        /**
+         * Checks whether the certificate matches the given email address.
+         *
+         * If the `'subject'` option is undefined or set to `'default'`, the certificate
+         * subject is only considered if the subject alternative name extension either does
+         * not exist or does not contain any email addresses.
+         *
+         * If the `'subject'` option is set to `'always'` and if the subject alternative
+         * name extension either does not exist or does not contain a matching email
+         * address, the certificate subject is considered.
+         *
+         * If the `'subject'` option is set to `'never'`, the certificate subject is never
+         * considered, even if the certificate contains no subject alternative names.
+         * @since v15.6.0
+         * @return Returns `email` if the certificate matches, `undefined` if it does not.
+         */
+        checkEmail(email: string, options?: Pick<X509CheckOptions, 'subject'>): string | undefined;
+        /**
+         * Checks whether the certificate matches the given host name.
+         *
+         * If the certificate matches the given host name, the matching subject name is
+         * returned. The returned name might be an exact match (e.g., `foo.example.com`)
+         * or it might contain wildcards (e.g., `*.example.com`). Because host name
+         * comparisons are case-insensitive, the returned subject name might also differ
+         * from the given `name` in capitalization.
+         *
+         * If the `'subject'` option is undefined or set to `'default'`, the certificate
+         * subject is only considered if the subject alternative name extension either does
+         * not exist or does not contain any DNS names. This behavior is consistent with [RFC 2818](https://www.rfc-editor.org/rfc/rfc2818.txt) ("HTTP Over TLS").
+         *
+         * If the `'subject'` option is set to `'always'` and if the subject alternative
+         * name extension either does not exist or does not contain a matching DNS name,
+         * the certificate subject is considered.
+         *
+         * If the `'subject'` option is set to `'never'`, the certificate subject is never
+         * considered, even if the certificate contains no subject alternative names.
+         * @since v15.6.0
+         * @return Returns a subject name that matches `name`, or `undefined` if no subject name matches `name`.
+         */
+        checkHost(name: string, options?: X509CheckOptions): string | undefined;
+        /**
+         * Checks whether the certificate matches the given IP address (IPv4 or IPv6).
+         *
+         * Only [RFC 5280](https://www.rfc-editor.org/rfc/rfc5280.txt) `iPAddress` subject alternative names are considered, and they
+         * must match the given `ip` address exactly. Other subject alternative names as
+         * well as the subject field of the certificate are ignored.
+         * @since v15.6.0
+         * @return Returns `ip` if the certificate matches, `undefined` if it does not.
+         */
+        checkIP(ip: string): string | undefined;
+        /**
+         * Checks whether this certificate was issued by the given `otherCert`.
+         * @since v15.6.0
+         */
+        checkIssued(otherCert: X509Certificate): boolean;
+        /**
+         * Checks whether the public key for this certificate is consistent with
+         * the given private key.
+         * @since v15.6.0
+         * @param privateKey A private key.
+         */
+        checkPrivateKey(privateKey: KeyObject): boolean;
+        /**
+         * There is no standard JSON encoding for X509 certificates. The`toJSON()` method returns a string containing the PEM encoded
+         * certificate.
+         * @since v15.6.0
+         */
+        toJSON(): string;
+        /**
+         * Returns information about this certificate using the legacy `certificate object` encoding.
+         * @since v15.6.0
+         */
+        toLegacyObject(): PeerCertificate;
+        /**
+         * Returns the PEM-encoded certificate.
+         * @since v15.6.0
+         */
+        toString(): string;
+        /**
+         * Verifies that this certificate was signed by the given public key.
+         * Does not perform any other validation checks on the certificate.
+         * @since v15.6.0
+         * @param publicKey A public key.
+         */
+        verify(publicKey: KeyObject): boolean;
+    }
+    type LargeNumberLike = NodeJS.ArrayBufferView | SharedArrayBuffer | ArrayBuffer | bigint;
+    interface GeneratePrimeOptions {
+        add?: LargeNumberLike | undefined;
+        rem?: LargeNumberLike | undefined;
+        /**
+         * @default false
+         */
+        safe?: boolean | undefined;
+        bigint?: boolean | undefined;
+    }
+    interface GeneratePrimeOptionsBigInt extends GeneratePrimeOptions {
+        bigint: true;
+    }
+    interface GeneratePrimeOptionsArrayBuffer extends GeneratePrimeOptions {
+        bigint?: false | undefined;
+    }
+    /**
+     * Generates a pseudorandom prime of `size` bits.
+     *
+     * If `options.safe` is `true`, the prime will be a safe prime -- that is,`(prime - 1) / 2` will also be a prime.
+     *
+     * The `options.add` and `options.rem` parameters can be used to enforce additional
+     * requirements, e.g., for Diffie-Hellman:
+     *
+     * * If `options.add` and `options.rem` are both set, the prime will satisfy the
+     * condition that `prime % add = rem`.
+     * * If only `options.add` is set and `options.safe` is not `true`, the prime will
+     * satisfy the condition that `prime % add = 1`.
+     * * If only `options.add` is set and `options.safe` is set to `true`, the prime
+     * will instead satisfy the condition that `prime % add = 3`. This is necessary
+     * because `prime % add = 1` for `options.add > 2` would contradict the condition
+     * enforced by `options.safe`.
+     * * `options.rem` is ignored if `options.add` is not given.
+     *
+     * Both `options.add` and `options.rem` must be encoded as big-endian sequences
+     * if given as an `ArrayBuffer`, `SharedArrayBuffer`, `TypedArray`, `Buffer`, or`DataView`.
+     *
+     * By default, the prime is encoded as a big-endian sequence of octets
+     * in an [ArrayBuffer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer). If the `bigint` option is `true`, then a
+     * [bigint](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt) is provided.
+     * @since v15.8.0
+     * @param size The size (in bits) of the prime to generate.
+     */
+    function generatePrime(size: number, callback: (err: Error | null, prime: ArrayBuffer) => void): void;
+    function generatePrime(size: number, options: GeneratePrimeOptionsBigInt, callback: (err: Error | null, prime: bigint) => void): void;
+    function generatePrime(size: number, options: GeneratePrimeOptionsArrayBuffer, callback: (err: Error | null, prime: ArrayBuffer) => void): void;
+    function generatePrime(size: number, options: GeneratePrimeOptions, callback: (err: Error | null, prime: ArrayBuffer | bigint) => void): void;
+    /**
+     * Generates a pseudorandom prime of `size` bits.
+     *
+     * If `options.safe` is `true`, the prime will be a safe prime -- that is,`(prime - 1) / 2` will also be a prime.
+     *
+     * The `options.add` and `options.rem` parameters can be used to enforce additional
+     * requirements, e.g., for Diffie-Hellman:
+     *
+     * * If `options.add` and `options.rem` are both set, the prime will satisfy the
+     * condition that `prime % add = rem`.
+     * * If only `options.add` is set and `options.safe` is not `true`, the prime will
+     * satisfy the condition that `prime % add = 1`.
+     * * If only `options.add` is set and `options.safe` is set to `true`, the prime
+     * will instead satisfy the condition that `prime % add = 3`. This is necessary
+     * because `prime % add = 1` for `options.add > 2` would contradict the condition
+     * enforced by `options.safe`.
+     * * `options.rem` is ignored if `options.add` is not given.
+     *
+     * Both `options.add` and `options.rem` must be encoded as big-endian sequences
+     * if given as an `ArrayBuffer`, `SharedArrayBuffer`, `TypedArray`, `Buffer`, or`DataView`.
+     *
+     * By default, the prime is encoded as a big-endian sequence of octets
+     * in an [ArrayBuffer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer). If the `bigint` option is `true`, then a
+     * [bigint](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt) is provided.
+     * @since v15.8.0
+     * @param size The size (in bits) of the prime to generate.
+     */
+    function generatePrimeSync(size: number): ArrayBuffer;
+    function generatePrimeSync(size: number, options: GeneratePrimeOptionsBigInt): bigint;
+    function generatePrimeSync(size: number, options: GeneratePrimeOptionsArrayBuffer): ArrayBuffer;
+    function generatePrimeSync(size: number, options: GeneratePrimeOptions): ArrayBuffer | bigint;
+    interface CheckPrimeOptions {
+        /**
+         * The number of Miller-Rabin probabilistic primality iterations to perform.
+         * When the value is 0 (zero), a number of checks is used that yields a false positive rate of at most 2-64 for random input.
+         * Care must be used when selecting a number of checks.
+         * Refer to the OpenSSL documentation for the BN_is_prime_ex function nchecks options for more details.
+         *
+         * @default 0
+         */
+        checks?: number | undefined;
+    }
+    /**
+     * Checks the primality of the `candidate`.
+     * @since v15.8.0
+     * @param candidate A possible prime encoded as a sequence of big endian octets of arbitrary length.
+     */
+    function checkPrime(value: LargeNumberLike, callback: (err: Error | null, result: boolean) => void): void;
+    function checkPrime(value: LargeNumberLike, options: CheckPrimeOptions, callback: (err: Error | null, result: boolean) => void): void;
+    /**
+     * Checks the primality of the `candidate`.
+     * @since v15.8.0
+     * @param candidate A possible prime encoded as a sequence of big endian octets of arbitrary length.
+     * @return `true` if the candidate is a prime with an error probability less than `0.25 ** options.checks`.
+     */
+    function checkPrimeSync(candidate: LargeNumberLike, options?: CheckPrimeOptions): boolean;
+    /**
+     * Load and set the `engine` for some or all OpenSSL functions (selected by flags).
+     *
+     * `engine` could be either an id or a path to the engine's shared library.
+     *
+     * The optional `flags` argument uses `ENGINE_METHOD_ALL` by default.
+     * The `flags` is a bit field taking one of or a mix of the following flags (defined in `crypto.constants`):
+     *
+     * - `crypto.constants.ENGINE_METHOD_RSA`
+     * - `crypto.constants.ENGINE_METHOD_DSA`
+     * - `crypto.constants.ENGINE_METHOD_DH`
+     * - `crypto.constants.ENGINE_METHOD_RAND`
+     * - `crypto.constants.ENGINE_METHOD_EC`
+     * - `crypto.constants.ENGINE_METHOD_CIPHERS`
+     * - `crypto.constants.ENGINE_METHOD_DIGESTS`
+     * - `crypto.constants.ENGINE_METHOD_PKEY_METHS`
+     * - `crypto.constants.ENGINE_METHOD_PKEY_ASN1_METHS`
+     * - `crypto.constants.ENGINE_METHOD_ALL`
+     * - `crypto.constants.ENGINE_METHOD_NONE`
+     *
+     * The flags below are deprecated in OpenSSL-1.1.0.
+     *
+     * - `crypto.constants.ENGINE_METHOD_ECDH`
+     * - `crypto.constants.ENGINE_METHOD_ECDSA`
+     * - `crypto.constants.ENGINE_METHOD_STORE`
+     * @since v0.11.11
+     * @param [flags=crypto.constants.ENGINE_METHOD_ALL]
+     */
+    function setEngine(engine: string, flags?: number): void;
+    /**
+     * A convenient alias for `crypto.webcrypto.getRandomValues()`.
+     * This implementation is not compliant with the Web Crypto spec,
+     * to write web-compatible code use `crypto.webcrypto.getRandomValues()` instead.
+     * @since v17.4.0
+     * @returns Returns `typedArray`.
+     */
+    function getRandomValues<T extends webcrypto.BufferSource>(typedArray: T): T;
+    /**
+     * A convenient alias for `crypto.webcrypto.subtle`.
+     * @since v17.4.0
+     */
+    const subtle: webcrypto.SubtleCrypto;
+    /**
+     * An implementation of the Web Crypto API standard.
+     *
+     * See the {@link https://nodejs.org/docs/latest/api/webcrypto.html Web Crypto API documentation} for details.
+     * @since v15.0.0
+     */
+    const webcrypto: webcrypto.Crypto;
+    namespace webcrypto {
+        type BufferSource = ArrayBufferView | ArrayBuffer;
+        type KeyFormat = 'jwk' | 'pkcs8' | 'raw' | 'spki';
+        type KeyType = 'private' | 'public' | 'secret';
+        type KeyUsage = 'decrypt' | 'deriveBits' | 'deriveKey' | 'encrypt' | 'sign' | 'unwrapKey' | 'verify' | 'wrapKey';
+        type AlgorithmIdentifier = Algorithm | string;
+        type HashAlgorithmIdentifier = AlgorithmIdentifier;
+        type NamedCurve = string;
+        type BigInteger = Uint8Array;
+        interface AesCbcParams extends Algorithm {
+            iv: BufferSource;
+        }
+        interface AesCtrParams extends Algorithm {
+            counter: BufferSource;
+            length: number;
+        }
+        interface AesDerivedKeyParams extends Algorithm {
+            length: number;
+        }
+        interface AesGcmParams extends Algorithm {
+            additionalData?: BufferSource;
+            iv: BufferSource;
+            tagLength?: number;
+        }
+        interface AesKeyAlgorithm extends KeyAlgorithm {
+            length: number;
+        }
+        interface AesKeyGenParams extends Algorithm {
+            length: number;
+        }
+        interface Algorithm {
+            name: string;
+        }
+        interface EcKeyAlgorithm extends KeyAlgorithm {
+            namedCurve: NamedCurve;
+        }
+        interface EcKeyGenParams extends Algorithm {
+            namedCurve: NamedCurve;
+        }
+        interface EcKeyImportParams extends Algorithm {
+            namedCurve: NamedCurve;
+        }
+        interface EcdhKeyDeriveParams extends Algorithm {
+            public: CryptoKey;
+        }
+        interface EcdsaParams extends Algorithm {
+            hash: HashAlgorithmIdentifier;
+        }
+        interface Ed448Params extends Algorithm {
+            context?: BufferSource;
+        }
+        interface HkdfParams extends Algorithm {
+            hash: HashAlgorithmIdentifier;
+            info: BufferSource;
+            salt: BufferSource;
+        }
+        interface HmacImportParams extends Algorithm {
+            hash: HashAlgorithmIdentifier;
+            length?: number;
+        }
+        interface HmacKeyAlgorithm extends KeyAlgorithm {
+            hash: KeyAlgorithm;
+            length: number;
+        }
+        interface HmacKeyGenParams extends Algorithm {
+            hash: HashAlgorithmIdentifier;
+            length?: number;
+        }
+        interface JsonWebKey {
+            alg?: string;
+            crv?: string;
+            d?: string;
+            dp?: string;
+            dq?: string;
+            e?: string;
+            ext?: boolean;
+            k?: string;
+            key_ops?: string[];
+            kty?: string;
+            n?: string;
+            oth?: RsaOtherPrimesInfo[];
+            p?: string;
+            q?: string;
+            qi?: string;
+            use?: string;
+            x?: string;
+            y?: string;
+        }
+        interface KeyAlgorithm {
+            name: string;
+        }
+        interface Pbkdf2Params extends Algorithm {
+            hash: HashAlgorithmIdentifier;
+            iterations: number;
+            salt: BufferSource;
+        }
+        interface RsaHashedImportParams extends Algorithm {
+            hash: HashAlgorithmIdentifier;
+        }
+        interface RsaHashedKeyAlgorithm extends RsaKeyAlgorithm {
+            hash: KeyAlgorithm;
+        }
+        interface RsaHashedKeyGenParams extends RsaKeyGenParams {
+            hash: HashAlgorithmIdentifier;
+        }
+        interface RsaKeyAlgorithm extends KeyAlgorithm {
+            modulusLength: number;
+            publicExponent: BigInteger;
+        }
+        interface RsaKeyGenParams extends Algorithm {
+            modulusLength: number;
+            publicExponent: BigInteger;
+        }
+        interface RsaOaepParams extends Algorithm {
+            label?: BufferSource;
+        }
+        interface RsaOtherPrimesInfo {
+            d?: string;
+            r?: string;
+            t?: string;
+        }
+        interface RsaPssParams extends Algorithm {
+            saltLength: number;
+        }
+        /**
+         * Calling `require('node:crypto').webcrypto` returns an instance of the `Crypto` class.
+         * `Crypto` is a singleton that provides access to the remainder of the crypto API.
+         * @since v15.0.0
+         */
+        interface Crypto {
+            /**
+             * Provides access to the `SubtleCrypto` API.
+             * @since v15.0.0
+             */
+            readonly subtle: SubtleCrypto;
+            /**
+             * Generates cryptographically strong random values.
+             * The given `typedArray` is filled with random values, and a reference to `typedArray` is returned.
+             *
+             * The given `typedArray` must be an integer-based instance of {@link NodeJS.TypedArray}, i.e. `Float32Array` and `Float64Array` are not accepted.
+             *
+             * An error will be thrown if the given `typedArray` is larger than 65,536 bytes.
+             * @since v15.0.0
+             */
+            getRandomValues<T extends Exclude<NodeJS.TypedArray, Float32Array | Float64Array>>(typedArray: T): T;
+            /**
+             * Generates a random {@link https://www.rfc-editor.org/rfc/rfc4122.txt RFC 4122} version 4 UUID.
+             * The UUID is generated using a cryptographic pseudorandom number generator.
+             * @since v16.7.0
+             */
+            randomUUID(): string;
+            CryptoKey: CryptoKeyConstructor;
+        }
+        // This constructor throws ILLEGAL_CONSTRUCTOR so it should not be newable.
+        interface CryptoKeyConstructor {
+            /** Illegal constructor */
+            (_: { readonly _: unique symbol }): never; // Allows instanceof to work but not be callable by the user.
+            readonly length: 0;
+            readonly name: 'CryptoKey';
+            readonly prototype: CryptoKey;
+        }
+        /**
+         * @since v15.0.0
+         */
+        interface CryptoKey {
+            /**
+             * An object detailing the algorithm for which the key can be used along with additional algorithm-specific parameters.
+             * @since v15.0.0
+             */
+            readonly algorithm: KeyAlgorithm;
+            /**
+             * When `true`, the {@link CryptoKey} can be extracted using either `subtleCrypto.exportKey()` or `subtleCrypto.wrapKey()`.
+             * @since v15.0.0
+             */
+            readonly extractable: boolean;
+            /**
+             * A string identifying whether the key is a symmetric (`'secret'`) or asymmetric (`'private'` or `'public'`) key.
+             * @since v15.0.0
+             */
+            readonly type: KeyType;
+            /**
+             * An array of strings identifying the operations for which the key may be used.
+             *
+             * The possible usages are:
+             * - `'encrypt'` - The key may be used to encrypt data.
+             * - `'decrypt'` - The key may be used to decrypt data.
+             * - `'sign'` - The key may be used to generate digital signatures.
+             * - `'verify'` - The key may be used to verify digital signatures.
+             * - `'deriveKey'` - The key may be used to derive a new key.
+             * - `'deriveBits'` - The key may be used to derive bits.
+             * - `'wrapKey'` - The key may be used to wrap another key.
+             * - `'unwrapKey'` - The key may be used to unwrap another key.
+             *
+             * Valid key usages depend on the key algorithm (identified by `cryptokey.algorithm.name`).
+             * @since v15.0.0
+             */
+            readonly usages: KeyUsage[];
+        }
+        /**
+         * The `CryptoKeyPair` is a simple dictionary object with `publicKey` and `privateKey` properties, representing an asymmetric key pair.
+         * @since v15.0.0
+         */
+        interface CryptoKeyPair {
+            /**
+             * A {@link CryptoKey} whose type will be `'private'`.
+             * @since v15.0.0
+             */
+            privateKey: CryptoKey;
+            /**
+             * A {@link CryptoKey} whose type will be `'public'`.
+             * @since v15.0.0
+             */
+            publicKey: CryptoKey;
+        }
+        /**
+         * @since v15.0.0
+         */
+        interface SubtleCrypto {
+            /**
+             * Using the method and parameters specified in `algorithm` and the keying material provided by `key`,
+             * `subtle.decrypt()` attempts to decipher the provided `data`. If successful,
+             * the returned promise will be resolved with an `<ArrayBuffer>` containing the plaintext result.
+             *
+             * The algorithms currently supported include:
+             *
+             * - `'RSA-OAEP'`
+             * - `'AES-CTR'`
+             * - `'AES-CBC'`
+             * - `'AES-GCM'`
+             * @since v15.0.0
+             */
+            decrypt(algorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams, key: CryptoKey, data: BufferSource): Promise<ArrayBuffer>;
+            /**
+             * Using the method and parameters specified in `algorithm` and the keying material provided by `baseKey`,
+             * `subtle.deriveBits()` attempts to generate `length` bits.
+             * The Node.js implementation requires that `length` is a multiple of `8`.
+             * If successful, the returned promise will be resolved with an `<ArrayBuffer>` containing the generated data.
+             *
+             * The algorithms currently supported include:
+             *
+             * - `'ECDH'`
+             * - `'X25519'`
+             * - `'X448'`
+             * - `'HKDF'`
+             * - `'PBKDF2'`
+             * @since v15.0.0
+             */
+            deriveBits(algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params, baseKey: CryptoKey, length: number): Promise<ArrayBuffer>;
+            /**
+             * Using the method and parameters specified in `algorithm`, and the keying material provided by `baseKey`,
+             * `subtle.deriveKey()` attempts to generate a new <CryptoKey>` based on the method and parameters in `derivedKeyAlgorithm`.
+             *
+             * Calling `subtle.deriveKey()` is equivalent to calling `subtle.deriveBits()` to generate raw keying material,
+             * then passing the result into the `subtle.importKey()` method using the `deriveKeyAlgorithm`, `extractable`, and `keyUsages` parameters as input.
+             *
+             * The algorithms currently supported include:
+             *
+             * - `'ECDH'`
+             * - `'X25519'`
+             * - `'X448'`
+             * - `'HKDF'`
+             * - `'PBKDF2'`
+             * @param keyUsages See {@link https://nodejs.org/docs/latest/api/webcrypto.html#cryptokeyusages Key usages}.
+             * @since v15.0.0
+             */
+            deriveKey(
+                algorithm: AlgorithmIdentifier | EcdhKeyDeriveParams | HkdfParams | Pbkdf2Params,
+                baseKey: CryptoKey,
+                derivedKeyAlgorithm: AlgorithmIdentifier | AesDerivedKeyParams | HmacImportParams | HkdfParams | Pbkdf2Params,
+                extractable: boolean,
+                keyUsages: ReadonlyArray<KeyUsage>
+            ): Promise<CryptoKey>;
+            /**
+             * Using the method identified by `algorithm`, `subtle.digest()` attempts to generate a digest of `data`.
+             * If successful, the returned promise is resolved with an `<ArrayBuffer>` containing the computed digest.
+             *
+             * If `algorithm` is provided as a `<string>`, it must be one of:
+             *
+             * - `'SHA-1'`
+             * - `'SHA-256'`
+             * - `'SHA-384'`
+             * - `'SHA-512'`
+             *
+             * If `algorithm` is provided as an `<Object>`, it must have a `name` property whose value is one of the above.
+             * @since v15.0.0
+             */
+            digest(algorithm: AlgorithmIdentifier, data: BufferSource): Promise<ArrayBuffer>;
+            /**
+             * Using the method and parameters specified by `algorithm` and the keying material provided by `key`,
+             * `subtle.encrypt()` attempts to encipher `data`. If successful,
+             * the returned promise is resolved with an `<ArrayBuffer>` containing the encrypted result.
+             *
+             * The algorithms currently supported include:
+             *
+             * - `'RSA-OAEP'`
+             * - `'AES-CTR'`
+             * - `'AES-CBC'`
+             * - `'AES-GCM'`
+             * @since v15.0.0
+             */
+            encrypt(algorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams, key: CryptoKey, data: BufferSource): Promise<ArrayBuffer>;
+            /**
+             * Exports the given key into the specified format, if supported.
+             *
+             * If the `<CryptoKey>` is not extractable, the returned promise will reject.
+             *
+             * When `format` is either `'pkcs8'` or `'spki'` and the export is successful,
+             * the returned promise will be resolved with an `<ArrayBuffer>` containing the exported key data.
+             *
+             * When `format` is `'jwk'` and the export is successful, the returned promise will be resolved with a
+             * JavaScript object conforming to the {@link https://tools.ietf.org/html/rfc7517 JSON Web Key} specification.
+             * @param format Must be one of `'raw'`, `'pkcs8'`, `'spki'`, or `'jwk'`.
+             * @returns `<Promise>` containing `<ArrayBuffer>`.
+             * @since v15.0.0
+             */
+            exportKey(format: 'jwk', key: CryptoKey): Promise<JsonWebKey>;
+            exportKey(format: Exclude<KeyFormat, 'jwk'>, key: CryptoKey): Promise<ArrayBuffer>;
+            /**
+             * Using the method and parameters provided in `algorithm`,
+             * `subtle.generateKey()` attempts to generate new keying material.
+             * Depending the method used, the method may generate either a single `<CryptoKey>` or a `<CryptoKeyPair>`.
+             *
+             * The `<CryptoKeyPair>` (public and private key) generating algorithms supported include:
+             *
+             * - `'RSASSA-PKCS1-v1_5'`
+             * - `'RSA-PSS'`
+             * - `'RSA-OAEP'`
+             * - `'ECDSA'`
+             * - `'Ed25519'`
+             * - `'Ed448'`
+             * - `'ECDH'`
+             * - `'X25519'`
+             * - `'X448'`
+             * The `<CryptoKey>` (secret key) generating algorithms supported include:
+             *
+             * - `'HMAC'`
+             * - `'AES-CTR'`
+             * - `'AES-CBC'`
+             * - `'AES-GCM'`
+             * - `'AES-KW'`
+             * @param keyUsages See {@link https://nodejs.org/docs/latest/api/webcrypto.html#cryptokeyusages Key usages}.
+             * @since v15.0.0
+             */
+            generateKey(algorithm: RsaHashedKeyGenParams | EcKeyGenParams, extractable: boolean, keyUsages: ReadonlyArray<KeyUsage>): Promise<CryptoKeyPair>;
+            generateKey(algorithm: AesKeyGenParams | HmacKeyGenParams | Pbkdf2Params, extractable: boolean, keyUsages: ReadonlyArray<KeyUsage>): Promise<CryptoKey>;
+            generateKey(algorithm: AlgorithmIdentifier, extractable: boolean, keyUsages: KeyUsage[]): Promise<CryptoKeyPair | CryptoKey>;
+            /**
+             * The `subtle.importKey()` method attempts to interpret the provided `keyData` as the given `format`
+             * to create a `<CryptoKey>` instance using the provided `algorithm`, `extractable`, and `keyUsages` arguments.
+             * If the import is successful, the returned promise will be resolved with the created `<CryptoKey>`.
+             *
+             * If importing a `'PBKDF2'` key, `extractable` must be `false`.
+             * @param format Must be one of `'raw'`, `'pkcs8'`, `'spki'`, or `'jwk'`.
+             * @param keyUsages See {@link https://nodejs.org/docs/latest/api/webcrypto.html#cryptokeyusages Key usages}.
+             * @since v15.0.0
+             */
+            importKey(
+                format: 'jwk',
+                keyData: JsonWebKey,
+                algorithm: AlgorithmIdentifier | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | AesKeyAlgorithm,
+                extractable: boolean,
+                keyUsages: ReadonlyArray<KeyUsage>
+            ): Promise<CryptoKey>;
+            importKey(
+                format: Exclude<KeyFormat, 'jwk'>,
+                keyData: BufferSource,
+                algorithm: AlgorithmIdentifier | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | AesKeyAlgorithm,
+                extractable: boolean,
+                keyUsages: KeyUsage[]
+            ): Promise<CryptoKey>;
+            /**
+             * Using the method and parameters given by `algorithm` and the keying material provided by `key`,
+             * `subtle.sign()` attempts to generate a cryptographic signature of `data`. If successful,
+             * the returned promise is resolved with an `<ArrayBuffer>` containing the generated signature.
+             *
+             * The algorithms currently supported include:
+             *
+             * - `'RSASSA-PKCS1-v1_5'`
+             * - `'RSA-PSS'`
+             * - `'ECDSA'`
+             * - `'Ed25519'`
+             * - `'Ed448'`
+             * - `'HMAC'`
+             * @since v15.0.0
+             */
+            sign(algorithm: AlgorithmIdentifier | RsaPssParams | EcdsaParams | Ed448Params, key: CryptoKey, data: BufferSource): Promise<ArrayBuffer>;
+            /**
+             * In cryptography, "wrapping a key" refers to exporting and then encrypting the keying material.
+             * The `subtle.unwrapKey()` method attempts to decrypt a wrapped key and create a `<CryptoKey>` instance.
+             * It is equivalent to calling `subtle.decrypt()` first on the encrypted key data (using the `wrappedKey`, `unwrapAlgo`, and `unwrappingKey` arguments as input)
+             * then passing the results in to the `subtle.importKey()` method using the `unwrappedKeyAlgo`, `extractable`, and `keyUsages` arguments as inputs.
+             * If successful, the returned promise is resolved with a `<CryptoKey>` object.
+             *
+             * The wrapping algorithms currently supported include:
+             *
+             * - `'RSA-OAEP'`
+             * - `'AES-CTR'`
+             * - `'AES-CBC'`
+             * - `'AES-GCM'`
+             * - `'AES-KW'`
+             *
+             * The unwrapped key algorithms supported include:
+             *
+             * - `'RSASSA-PKCS1-v1_5'`
+             * - `'RSA-PSS'`
+             * - `'RSA-OAEP'`
+             * - `'ECDSA'`
+             * - `'Ed25519'`
+             * - `'Ed448'`
+             * - `'ECDH'`
+             * - `'X25519'`
+             * - `'X448'`
+             * - `'HMAC'`
+             * - `'AES-CTR'`
+             * - `'AES-CBC'`
+             * - `'AES-GCM'`
+             * - `'AES-KW'`
+             * @param format Must be one of `'raw'`, `'pkcs8'`, `'spki'`, or `'jwk'`.
+             * @param keyUsages See {@link https://nodejs.org/docs/latest/api/webcrypto.html#cryptokeyusages Key usages}.
+             * @since v15.0.0
+             */
+            unwrapKey(
+                format: KeyFormat,
+                wrappedKey: BufferSource,
+                unwrappingKey: CryptoKey,
+                unwrapAlgorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams,
+                unwrappedKeyAlgorithm: AlgorithmIdentifier | RsaHashedImportParams | EcKeyImportParams | HmacImportParams | AesKeyAlgorithm,
+                extractable: boolean,
+                keyUsages: KeyUsage[]
+            ): Promise<CryptoKey>;
+            /**
+             * Using the method and parameters given in `algorithm` and the keying material provided by `key`,
+             * `subtle.verify()` attempts to verify that `signature` is a valid cryptographic signature of `data`.
+             * The returned promise is resolved with either `true` or `false`.
+             *
+             * The algorithms currently supported include:
+             *
+             * - `'RSASSA-PKCS1-v1_5'`
+             * - `'RSA-PSS'`
+             * - `'ECDSA'`
+             * - `'Ed25519'`
+             * - `'Ed448'`
+             * - `'HMAC'`
+             * @since v15.0.0
+             */
+            verify(algorithm: AlgorithmIdentifier | RsaPssParams | EcdsaParams | Ed448Params, key: CryptoKey, signature: BufferSource, data: BufferSource): Promise<boolean>;
+            /**
+             * In cryptography, "wrapping a key" refers to exporting and then encrypting the keying material.
+             * The `subtle.wrapKey()` method exports the keying material into the format identified by `format`,
+             * then encrypts it using the method and parameters specified by `wrapAlgo` and the keying material provided by `wrappingKey`.
+             * It is the equivalent to calling `subtle.exportKey()` using `format` and `key` as the arguments,
+             * then passing the result to the `subtle.encrypt()` method using `wrappingKey` and `wrapAlgo` as inputs.
+             * If successful, the returned promise will be resolved with an `<ArrayBuffer>` containing the encrypted key data.
+             *
+             * The wrapping algorithms currently supported include:
+             *
+             * - `'RSA-OAEP'`
+             * - `'AES-CTR'`
+             * - `'AES-CBC'`
+             * - `'AES-GCM'`
+             * - `'AES-KW'`
+             * @param format Must be one of `'raw'`, `'pkcs8'`, `'spki'`, or `'jwk'`.
+             * @since v15.0.0
+             */
+            wrapKey(format: KeyFormat, key: CryptoKey, wrappingKey: CryptoKey, wrapAlgorithm: AlgorithmIdentifier | RsaOaepParams | AesCtrParams | AesCbcParams | AesGcmParams): Promise<ArrayBuffer>;
+        }
+    }
+}
+declare module 'node:crypto' {
+    export * from 'crypto';
+}
diff --git a/node_modules/@types/node/ts4.8/dgram.d.ts b/node_modules/@types/node/ts4.8/dgram.d.ts
new file mode 100644
index 000000000..247328d28
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/dgram.d.ts
@@ -0,0 +1,545 @@
+/**
+ * The `dgram` module provides an implementation of UDP datagram sockets.
+ *
+ * ```js
+ * import dgram from 'dgram';
+ *
+ * const server = dgram.createSocket('udp4');
+ *
+ * server.on('error', (err) => {
+ *   console.log(`server error:\n${err.stack}`);
+ *   server.close();
+ * });
+ *
+ * server.on('message', (msg, rinfo) => {
+ *   console.log(`server got: ${msg} from ${rinfo.address}:${rinfo.port}`);
+ * });
+ *
+ * server.on('listening', () => {
+ *   const address = server.address();
+ *   console.log(`server listening ${address.address}:${address.port}`);
+ * });
+ *
+ * server.bind(41234);
+ * // Prints: server listening 0.0.0.0:41234
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/dgram.js)
+ */
+declare module 'dgram' {
+    import { AddressInfo } from 'node:net';
+    import * as dns from 'node:dns';
+    import { EventEmitter, Abortable } from 'node:events';
+    interface RemoteInfo {
+        address: string;
+        family: 'IPv4' | 'IPv6';
+        port: number;
+        size: number;
+    }
+    interface BindOptions {
+        port?: number | undefined;
+        address?: string | undefined;
+        exclusive?: boolean | undefined;
+        fd?: number | undefined;
+    }
+    type SocketType = 'udp4' | 'udp6';
+    interface SocketOptions extends Abortable {
+        type: SocketType;
+        reuseAddr?: boolean | undefined;
+        /**
+         * @default false
+         */
+        ipv6Only?: boolean | undefined;
+        recvBufferSize?: number | undefined;
+        sendBufferSize?: number | undefined;
+        lookup?: ((hostname: string, options: dns.LookupOneOptions, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void) => void) | undefined;
+    }
+    /**
+     * Creates a `dgram.Socket` object. Once the socket is created, calling `socket.bind()` will instruct the socket to begin listening for datagram
+     * messages. When `address` and `port` are not passed to `socket.bind()` the
+     * method will bind the socket to the "all interfaces" address on a random port
+     * (it does the right thing for both `udp4` and `udp6` sockets). The bound address
+     * and port can be retrieved using `socket.address().address` and `socket.address().port`.
+     *
+     * If the `signal` option is enabled, calling `.abort()` on the corresponding`AbortController` is similar to calling `.close()` on the socket:
+     *
+     * ```js
+     * const controller = new AbortController();
+     * const { signal } = controller;
+     * const server = dgram.createSocket({ type: 'udp4', signal });
+     * server.on('message', (msg, rinfo) => {
+     *   console.log(`server got: ${msg} from ${rinfo.address}:${rinfo.port}`);
+     * });
+     * // Later, when you want to close the server.
+     * controller.abort();
+     * ```
+     * @since v0.11.13
+     * @param options Available options are:
+     * @param callback Attached as a listener for `'message'` events. Optional.
+     */
+    function createSocket(type: SocketType, callback?: (msg: Buffer, rinfo: RemoteInfo) => void): Socket;
+    function createSocket(options: SocketOptions, callback?: (msg: Buffer, rinfo: RemoteInfo) => void): Socket;
+    /**
+     * Encapsulates the datagram functionality.
+     *
+     * New instances of `dgram.Socket` are created using {@link createSocket}.
+     * The `new` keyword is not to be used to create `dgram.Socket` instances.
+     * @since v0.1.99
+     */
+    class Socket extends EventEmitter {
+        /**
+         * Tells the kernel to join a multicast group at the given `multicastAddress` and`multicastInterface` using the `IP_ADD_MEMBERSHIP` socket option. If the`multicastInterface` argument is not
+         * specified, the operating system will choose
+         * one interface and will add membership to it. To add membership to every
+         * available interface, call `addMembership` multiple times, once per interface.
+         *
+         * When called on an unbound socket, this method will implicitly bind to a random
+         * port, listening on all interfaces.
+         *
+         * When sharing a UDP socket across multiple `cluster` workers, the`socket.addMembership()` function must be called only once or an`EADDRINUSE` error will occur:
+         *
+         * ```js
+         * import cluster from 'cluster';
+         * import dgram from 'dgram';
+         *
+         * if (cluster.isPrimary) {
+         *   cluster.fork(); // Works ok.
+         *   cluster.fork(); // Fails with EADDRINUSE.
+         * } else {
+         *   const s = dgram.createSocket('udp4');
+         *   s.bind(1234, () => {
+         *     s.addMembership('224.0.0.114');
+         *   });
+         * }
+         * ```
+         * @since v0.6.9
+         */
+        addMembership(multicastAddress: string, multicastInterface?: string): void;
+        /**
+         * Returns an object containing the address information for a socket.
+         * For UDP sockets, this object will contain `address`, `family` and `port`properties.
+         *
+         * This method throws `EBADF` if called on an unbound socket.
+         * @since v0.1.99
+         */
+        address(): AddressInfo;
+        /**
+         * For UDP sockets, causes the `dgram.Socket` to listen for datagram
+         * messages on a named `port` and optional `address`. If `port` is not
+         * specified or is `0`, the operating system will attempt to bind to a
+         * random port. If `address` is not specified, the operating system will
+         * attempt to listen on all addresses. Once binding is complete, a`'listening'` event is emitted and the optional `callback` function is
+         * called.
+         *
+         * Specifying both a `'listening'` event listener and passing a`callback` to the `socket.bind()` method is not harmful but not very
+         * useful.
+         *
+         * A bound datagram socket keeps the Node.js process running to receive
+         * datagram messages.
+         *
+         * If binding fails, an `'error'` event is generated. In rare case (e.g.
+         * attempting to bind with a closed socket), an `Error` may be thrown.
+         *
+         * Example of a UDP server listening on port 41234:
+         *
+         * ```js
+         * import dgram from 'dgram';
+         *
+         * const server = dgram.createSocket('udp4');
+         *
+         * server.on('error', (err) => {
+         *   console.log(`server error:\n${err.stack}`);
+         *   server.close();
+         * });
+         *
+         * server.on('message', (msg, rinfo) => {
+         *   console.log(`server got: ${msg} from ${rinfo.address}:${rinfo.port}`);
+         * });
+         *
+         * server.on('listening', () => {
+         *   const address = server.address();
+         *   console.log(`server listening ${address.address}:${address.port}`);
+         * });
+         *
+         * server.bind(41234);
+         * // Prints: server listening 0.0.0.0:41234
+         * ```
+         * @since v0.1.99
+         * @param callback with no parameters. Called when binding is complete.
+         */
+        bind(port?: number, address?: string, callback?: () => void): this;
+        bind(port?: number, callback?: () => void): this;
+        bind(callback?: () => void): this;
+        bind(options: BindOptions, callback?: () => void): this;
+        /**
+         * Close the underlying socket and stop listening for data on it. If a callback is
+         * provided, it is added as a listener for the `'close'` event.
+         * @since v0.1.99
+         * @param callback Called when the socket has been closed.
+         */
+        close(callback?: () => void): this;
+        /**
+         * Associates the `dgram.Socket` to a remote address and port. Every
+         * message sent by this handle is automatically sent to that destination. Also,
+         * the socket will only receive messages from that remote peer.
+         * Trying to call `connect()` on an already connected socket will result
+         * in an `ERR_SOCKET_DGRAM_IS_CONNECTED` exception. If `address` is not
+         * provided, `'127.0.0.1'` (for `udp4` sockets) or `'::1'` (for `udp6` sockets)
+         * will be used by default. Once the connection is complete, a `'connect'` event
+         * is emitted and the optional `callback` function is called. In case of failure,
+         * the `callback` is called or, failing this, an `'error'` event is emitted.
+         * @since v12.0.0
+         * @param callback Called when the connection is completed or on error.
+         */
+        connect(port: number, address?: string, callback?: () => void): void;
+        connect(port: number, callback: () => void): void;
+        /**
+         * A synchronous function that disassociates a connected `dgram.Socket` from
+         * its remote address. Trying to call `disconnect()` on an unbound or already
+         * disconnected socket will result in an `ERR_SOCKET_DGRAM_NOT_CONNECTED` exception.
+         * @since v12.0.0
+         */
+        disconnect(): void;
+        /**
+         * Instructs the kernel to leave a multicast group at `multicastAddress` using the`IP_DROP_MEMBERSHIP` socket option. This method is automatically called by the
+         * kernel when the socket is closed or the process terminates, so most apps will
+         * never have reason to call this.
+         *
+         * If `multicastInterface` is not specified, the operating system will attempt to
+         * drop membership on all valid interfaces.
+         * @since v0.6.9
+         */
+        dropMembership(multicastAddress: string, multicastInterface?: string): void;
+        /**
+         * This method throws `ERR_SOCKET_BUFFER_SIZE` if called on an unbound socket.
+         * @since v8.7.0
+         * @return the `SO_RCVBUF` socket receive buffer size in bytes.
+         */
+        getRecvBufferSize(): number;
+        /**
+         * This method throws `ERR_SOCKET_BUFFER_SIZE` if called on an unbound socket.
+         * @since v8.7.0
+         * @return the `SO_SNDBUF` socket send buffer size in bytes.
+         */
+        getSendBufferSize(): number;
+        /**
+         * By default, binding a socket will cause it to block the Node.js process from
+         * exiting as long as the socket is open. The `socket.unref()` method can be used
+         * to exclude the socket from the reference counting that keeps the Node.js
+         * process active. The `socket.ref()` method adds the socket back to the reference
+         * counting and restores the default behavior.
+         *
+         * Calling `socket.ref()` multiples times will have no additional effect.
+         *
+         * The `socket.ref()` method returns a reference to the socket so calls can be
+         * chained.
+         * @since v0.9.1
+         */
+        ref(): this;
+        /**
+         * Returns an object containing the `address`, `family`, and `port` of the remote
+         * endpoint. This method throws an `ERR_SOCKET_DGRAM_NOT_CONNECTED` exception
+         * if the socket is not connected.
+         * @since v12.0.0
+         */
+        remoteAddress(): AddressInfo;
+        /**
+         * Broadcasts a datagram on the socket.
+         * For connectionless sockets, the destination `port` and `address` must be
+         * specified. Connected sockets, on the other hand, will use their associated
+         * remote endpoint, so the `port` and `address` arguments must not be set.
+         *
+         * The `msg` argument contains the message to be sent.
+         * Depending on its type, different behavior can apply. If `msg` is a `Buffer`,
+         * any `TypedArray` or a `DataView`,
+         * the `offset` and `length` specify the offset within the `Buffer` where the
+         * message begins and the number of bytes in the message, respectively.
+         * If `msg` is a `String`, then it is automatically converted to a `Buffer`with `'utf8'` encoding. With messages that
+         * contain multi-byte characters, `offset` and `length` will be calculated with
+         * respect to `byte length` and not the character position.
+         * If `msg` is an array, `offset` and `length` must not be specified.
+         *
+         * The `address` argument is a string. If the value of `address` is a host name,
+         * DNS will be used to resolve the address of the host. If `address` is not
+         * provided or otherwise nullish, `'127.0.0.1'` (for `udp4` sockets) or `'::1'`(for `udp6` sockets) will be used by default.
+         *
+         * If the socket has not been previously bound with a call to `bind`, the socket
+         * is assigned a random port number and is bound to the "all interfaces" address
+         * (`'0.0.0.0'` for `udp4` sockets, `'::0'` for `udp6` sockets.)
+         *
+         * An optional `callback` function may be specified to as a way of reporting
+         * DNS errors or for determining when it is safe to reuse the `buf` object.
+         * DNS lookups delay the time to send for at least one tick of the
+         * Node.js event loop.
+         *
+         * The only way to know for sure that the datagram has been sent is by using a`callback`. If an error occurs and a `callback` is given, the error will be
+         * passed as the first argument to the `callback`. If a `callback` is not given,
+         * the error is emitted as an `'error'` event on the `socket` object.
+         *
+         * Offset and length are optional but both _must_ be set if either are used.
+         * They are supported only when the first argument is a `Buffer`, a `TypedArray`,
+         * or a `DataView`.
+         *
+         * This method throws `ERR_SOCKET_BAD_PORT` if called on an unbound socket.
+         *
+         * Example of sending a UDP packet to a port on `localhost`;
+         *
+         * ```js
+         * import dgram from 'dgram';
+         * import { Buffer } from 'buffer';
+         *
+         * const message = Buffer.from('Some bytes');
+         * const client = dgram.createSocket('udp4');
+         * client.send(message, 41234, 'localhost', (err) => {
+         *   client.close();
+         * });
+         * ```
+         *
+         * Example of sending a UDP packet composed of multiple buffers to a port on`127.0.0.1`;
+         *
+         * ```js
+         * import dgram from 'dgram';
+         * import { Buffer } from 'buffer';
+         *
+         * const buf1 = Buffer.from('Some ');
+         * const buf2 = Buffer.from('bytes');
+         * const client = dgram.createSocket('udp4');
+         * client.send([buf1, buf2], 41234, (err) => {
+         *   client.close();
+         * });
+         * ```
+         *
+         * Sending multiple buffers might be faster or slower depending on the
+         * application and operating system. Run benchmarks to
+         * determine the optimal strategy on a case-by-case basis. Generally speaking,
+         * however, sending multiple buffers is faster.
+         *
+         * Example of sending a UDP packet using a socket connected to a port on`localhost`:
+         *
+         * ```js
+         * import dgram from 'dgram';
+         * import { Buffer } from 'buffer';
+         *
+         * const message = Buffer.from('Some bytes');
+         * const client = dgram.createSocket('udp4');
+         * client.connect(41234, 'localhost', (err) => {
+         *   client.send(message, (err) => {
+         *     client.close();
+         *   });
+         * });
+         * ```
+         * @since v0.1.99
+         * @param msg Message to be sent.
+         * @param offset Offset in the buffer where the message starts.
+         * @param length Number of bytes in the message.
+         * @param port Destination port.
+         * @param address Destination host name or IP address.
+         * @param callback Called when the message has been sent.
+         */
+        send(msg: string | Uint8Array | ReadonlyArray<any>, port?: number, address?: string, callback?: (error: Error | null, bytes: number) => void): void;
+        send(msg: string | Uint8Array | ReadonlyArray<any>, port?: number, callback?: (error: Error | null, bytes: number) => void): void;
+        send(msg: string | Uint8Array | ReadonlyArray<any>, callback?: (error: Error | null, bytes: number) => void): void;
+        send(msg: string | Uint8Array, offset: number, length: number, port?: number, address?: string, callback?: (error: Error | null, bytes: number) => void): void;
+        send(msg: string | Uint8Array, offset: number, length: number, port?: number, callback?: (error: Error | null, bytes: number) => void): void;
+        send(msg: string | Uint8Array, offset: number, length: number, callback?: (error: Error | null, bytes: number) => void): void;
+        /**
+         * Sets or clears the `SO_BROADCAST` socket option. When set to `true`, UDP
+         * packets may be sent to a local interface's broadcast address.
+         *
+         * This method throws `EBADF` if called on an unbound socket.
+         * @since v0.6.9
+         */
+        setBroadcast(flag: boolean): void;
+        /**
+         * _All references to scope in this section are referring to [IPv6 Zone Indices](https://en.wikipedia.org/wiki/IPv6_address#Scoped_literal_IPv6_addresses), which are defined by [RFC
+         * 4007](https://tools.ietf.org/html/rfc4007). In string form, an IP_
+         * _with a scope index is written as `'IP%scope'` where scope is an interface name_
+         * _or interface number._
+         *
+         * Sets the default outgoing multicast interface of the socket to a chosen
+         * interface or back to system interface selection. The `multicastInterface` must
+         * be a valid string representation of an IP from the socket's family.
+         *
+         * For IPv4 sockets, this should be the IP configured for the desired physical
+         * interface. All packets sent to multicast on the socket will be sent on the
+         * interface determined by the most recent successful use of this call.
+         *
+         * For IPv6 sockets, `multicastInterface` should include a scope to indicate the
+         * interface as in the examples that follow. In IPv6, individual `send` calls can
+         * also use explicit scope in addresses, so only packets sent to a multicast
+         * address without specifying an explicit scope are affected by the most recent
+         * successful use of this call.
+         *
+         * This method throws `EBADF` if called on an unbound socket.
+         *
+         * #### Example: IPv6 outgoing multicast interface
+         *
+         * On most systems, where scope format uses the interface name:
+         *
+         * ```js
+         * const socket = dgram.createSocket('udp6');
+         *
+         * socket.bind(1234, () => {
+         *   socket.setMulticastInterface('::%eth1');
+         * });
+         * ```
+         *
+         * On Windows, where scope format uses an interface number:
+         *
+         * ```js
+         * const socket = dgram.createSocket('udp6');
+         *
+         * socket.bind(1234, () => {
+         *   socket.setMulticastInterface('::%2');
+         * });
+         * ```
+         *
+         * #### Example: IPv4 outgoing multicast interface
+         *
+         * All systems use an IP of the host on the desired physical interface:
+         *
+         * ```js
+         * const socket = dgram.createSocket('udp4');
+         *
+         * socket.bind(1234, () => {
+         *   socket.setMulticastInterface('10.0.0.2');
+         * });
+         * ```
+         * @since v8.6.0
+         */
+        setMulticastInterface(multicastInterface: string): void;
+        /**
+         * Sets or clears the `IP_MULTICAST_LOOP` socket option. When set to `true`,
+         * multicast packets will also be received on the local interface.
+         *
+         * This method throws `EBADF` if called on an unbound socket.
+         * @since v0.3.8
+         */
+        setMulticastLoopback(flag: boolean): boolean;
+        /**
+         * Sets the `IP_MULTICAST_TTL` socket option. While TTL generally stands for
+         * "Time to Live", in this context it specifies the number of IP hops that a
+         * packet is allowed to travel through, specifically for multicast traffic. Each
+         * router or gateway that forwards a packet decrements the TTL. If the TTL is
+         * decremented to 0 by a router, it will not be forwarded.
+         *
+         * The `ttl` argument may be between 0 and 255\. The default on most systems is `1`.
+         *
+         * This method throws `EBADF` if called on an unbound socket.
+         * @since v0.3.8
+         */
+        setMulticastTTL(ttl: number): number;
+        /**
+         * Sets the `SO_RCVBUF` socket option. Sets the maximum socket receive buffer
+         * in bytes.
+         *
+         * This method throws `ERR_SOCKET_BUFFER_SIZE` if called on an unbound socket.
+         * @since v8.7.0
+         */
+        setRecvBufferSize(size: number): void;
+        /**
+         * Sets the `SO_SNDBUF` socket option. Sets the maximum socket send buffer
+         * in bytes.
+         *
+         * This method throws `ERR_SOCKET_BUFFER_SIZE` if called on an unbound socket.
+         * @since v8.7.0
+         */
+        setSendBufferSize(size: number): void;
+        /**
+         * Sets the `IP_TTL` socket option. While TTL generally stands for "Time to Live",
+         * in this context it specifies the number of IP hops that a packet is allowed to
+         * travel through. Each router or gateway that forwards a packet decrements the
+         * TTL. If the TTL is decremented to 0 by a router, it will not be forwarded.
+         * Changing TTL values is typically done for network probes or when multicasting.
+         *
+         * The `ttl` argument may be between 1 and 255\. The default on most systems
+         * is 64.
+         *
+         * This method throws `EBADF` if called on an unbound socket.
+         * @since v0.1.101
+         */
+        setTTL(ttl: number): number;
+        /**
+         * By default, binding a socket will cause it to block the Node.js process from
+         * exiting as long as the socket is open. The `socket.unref()` method can be used
+         * to exclude the socket from the reference counting that keeps the Node.js
+         * process active, allowing the process to exit even if the socket is still
+         * listening.
+         *
+         * Calling `socket.unref()` multiple times will have no addition effect.
+         *
+         * The `socket.unref()` method returns a reference to the socket so calls can be
+         * chained.
+         * @since v0.9.1
+         */
+        unref(): this;
+        /**
+         * Tells the kernel to join a source-specific multicast channel at the given`sourceAddress` and `groupAddress`, using the `multicastInterface` with the`IP_ADD_SOURCE_MEMBERSHIP` socket
+         * option. If the `multicastInterface` argument
+         * is not specified, the operating system will choose one interface and will add
+         * membership to it. To add membership to every available interface, call`socket.addSourceSpecificMembership()` multiple times, once per interface.
+         *
+         * When called on an unbound socket, this method will implicitly bind to a random
+         * port, listening on all interfaces.
+         * @since v13.1.0, v12.16.0
+         */
+        addSourceSpecificMembership(sourceAddress: string, groupAddress: string, multicastInterface?: string): void;
+        /**
+         * Instructs the kernel to leave a source-specific multicast channel at the given`sourceAddress` and `groupAddress` using the `IP_DROP_SOURCE_MEMBERSHIP`socket option. This method is
+         * automatically called by the kernel when the
+         * socket is closed or the process terminates, so most apps will never have
+         * reason to call this.
+         *
+         * If `multicastInterface` is not specified, the operating system will attempt to
+         * drop membership on all valid interfaces.
+         * @since v13.1.0, v12.16.0
+         */
+        dropSourceSpecificMembership(sourceAddress: string, groupAddress: string, multicastInterface?: string): void;
+        /**
+         * events.EventEmitter
+         * 1. close
+         * 2. connect
+         * 3. error
+         * 4. listening
+         * 5. message
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'connect', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'listening', listener: () => void): this;
+        addListener(event: 'message', listener: (msg: Buffer, rinfo: RemoteInfo) => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'connect'): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'listening'): boolean;
+        emit(event: 'message', msg: Buffer, rinfo: RemoteInfo): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'connect', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'listening', listener: () => void): this;
+        on(event: 'message', listener: (msg: Buffer, rinfo: RemoteInfo) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'connect', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'listening', listener: () => void): this;
+        once(event: 'message', listener: (msg: Buffer, rinfo: RemoteInfo) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'connect', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'listening', listener: () => void): this;
+        prependListener(event: 'message', listener: (msg: Buffer, rinfo: RemoteInfo) => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'connect', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'listening', listener: () => void): this;
+        prependOnceListener(event: 'message', listener: (msg: Buffer, rinfo: RemoteInfo) => void): this;
+    }
+}
+declare module 'node:dgram' {
+    export * from 'dgram';
+}
diff --git a/node_modules/@types/node/ts4.8/diagnostics_channel.d.ts b/node_modules/@types/node/ts4.8/diagnostics_channel.d.ts
new file mode 100644
index 000000000..a87ba8ca9
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/diagnostics_channel.d.ts
@@ -0,0 +1,153 @@
+/**
+ * The `diagnostics_channel` module provides an API to create named channels
+ * to report arbitrary message data for diagnostics purposes.
+ *
+ * It can be accessed using:
+ *
+ * ```js
+ * import diagnostics_channel from 'diagnostics_channel';
+ * ```
+ *
+ * It is intended that a module writer wanting to report diagnostics messages
+ * will create one or many top-level channels to report messages through.
+ * Channels may also be acquired at runtime but it is not encouraged
+ * due to the additional overhead of doing so. Channels may be exported for
+ * convenience, but as long as the name is known it can be acquired anywhere.
+ *
+ * If you intend for your module to produce diagnostics data for others to
+ * consume it is recommended that you include documentation of what named
+ * channels are used along with the shape of the message data. Channel names
+ * should generally include the module name to avoid collisions with data from
+ * other modules.
+ * @experimental
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/diagnostics_channel.js)
+ */
+declare module 'diagnostics_channel' {
+    /**
+     * Check if there are active subscribers to the named channel. This is helpful if
+     * the message you want to send might be expensive to prepare.
+     *
+     * This API is optional but helpful when trying to publish messages from very
+     * performance-sensitive code.
+     *
+     * ```js
+     * import diagnostics_channel from 'diagnostics_channel';
+     *
+     * if (diagnostics_channel.hasSubscribers('my-channel')) {
+     *   // There are subscribers, prepare and publish message
+     * }
+     * ```
+     * @since v15.1.0, v14.17.0
+     * @param name The channel name
+     * @return If there are active subscribers
+     */
+    function hasSubscribers(name: string): boolean;
+    /**
+     * This is the primary entry-point for anyone wanting to interact with a named
+     * channel. It produces a channel object which is optimized to reduce overhead at
+     * publish time as much as possible.
+     *
+     * ```js
+     * import diagnostics_channel from 'diagnostics_channel';
+     *
+     * const channel = diagnostics_channel.channel('my-channel');
+     * ```
+     * @since v15.1.0, v14.17.0
+     * @param name The channel name
+     * @return The named channel object
+     */
+    function channel(name: string): Channel;
+    type ChannelListener = (message: unknown, name: string) => void;
+    /**
+     * The class `Channel` represents an individual named channel within the data
+     * pipeline. It is use to track subscribers and to publish messages when there
+     * are subscribers present. It exists as a separate object to avoid channel
+     * lookups at publish time, enabling very fast publish speeds and allowing
+     * for heavy use while incurring very minimal cost. Channels are created with {@link channel}, constructing a channel directly
+     * with `new Channel(name)` is not supported.
+     * @since v15.1.0, v14.17.0
+     */
+    class Channel {
+        readonly name: string;
+        /**
+         * Check if there are active subscribers to this channel. This is helpful if
+         * the message you want to send might be expensive to prepare.
+         *
+         * This API is optional but helpful when trying to publish messages from very
+         * performance-sensitive code.
+         *
+         * ```js
+         * import diagnostics_channel from 'diagnostics_channel';
+         *
+         * const channel = diagnostics_channel.channel('my-channel');
+         *
+         * if (channel.hasSubscribers) {
+         *   // There are subscribers, prepare and publish message
+         * }
+         * ```
+         * @since v15.1.0, v14.17.0
+         */
+        readonly hasSubscribers: boolean;
+        private constructor(name: string);
+        /**
+         * Publish a message to any subscribers to the channel. This will
+         * trigger message handlers synchronously so they will execute within
+         * the same context.
+         *
+         * ```js
+         * import diagnostics_channel from 'diagnostics_channel';
+         *
+         * const channel = diagnostics_channel.channel('my-channel');
+         *
+         * channel.publish({
+         *   some: 'message'
+         * });
+         * ```
+         * @since v15.1.0, v14.17.0
+         * @param message The message to send to the channel subscribers
+         */
+        publish(message: unknown): void;
+        /**
+         * Register a message handler to subscribe to this channel. This message handler
+         * will be run synchronously whenever a message is published to the channel. Any
+         * errors thrown in the message handler will trigger an `'uncaughtException'`.
+         *
+         * ```js
+         * import diagnostics_channel from 'diagnostics_channel';
+         *
+         * const channel = diagnostics_channel.channel('my-channel');
+         *
+         * channel.subscribe((message, name) => {
+         *   // Received data
+         * });
+         * ```
+         * @since v15.1.0, v14.17.0
+         * @param onMessage The handler to receive channel messages
+         */
+        subscribe(onMessage: ChannelListener): void;
+        /**
+         * Remove a message handler previously registered to this channel with `channel.subscribe(onMessage)`.
+         *
+         * ```js
+         * import diagnostics_channel from 'diagnostics_channel';
+         *
+         * const channel = diagnostics_channel.channel('my-channel');
+         *
+         * function onMessage(message, name) {
+         *   // Received data
+         * }
+         *
+         * channel.subscribe(onMessage);
+         *
+         * channel.unsubscribe(onMessage);
+         * ```
+         * @since v15.1.0, v14.17.0
+         * @param onMessage The previous subscribed handler to remove
+         * @return `true` if the handler was found, `false` otherwise.
+         */
+        unsubscribe(onMessage: ChannelListener): void;
+    }
+}
+declare module 'node:diagnostics_channel' {
+    export * from 'diagnostics_channel';
+}
diff --git a/node_modules/@types/node/ts4.8/dns.d.ts b/node_modules/@types/node/ts4.8/dns.d.ts
new file mode 100644
index 000000000..305367b81
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/dns.d.ts
@@ -0,0 +1,659 @@
+/**
+ * The `dns` module enables name resolution. For example, use it to look up IP
+ * addresses of host names.
+ *
+ * Although named for the [Domain Name System (DNS)](https://en.wikipedia.org/wiki/Domain_Name_System), it does not always use the
+ * DNS protocol for lookups. {@link lookup} uses the operating system
+ * facilities to perform name resolution. It may not need to perform any network
+ * communication. To perform name resolution the way other applications on the same
+ * system do, use {@link lookup}.
+ *
+ * ```js
+ * const dns = require('dns');
+ *
+ * dns.lookup('example.org', (err, address, family) => {
+ *   console.log('address: %j family: IPv%s', address, family);
+ * });
+ * // address: "93.184.216.34" family: IPv4
+ * ```
+ *
+ * All other functions in the `dns` module connect to an actual DNS server to
+ * perform name resolution. They will always use the network to perform DNS
+ * queries. These functions do not use the same set of configuration files used by {@link lookup} (e.g. `/etc/hosts`). Use these functions to always perform
+ * DNS queries, bypassing other name-resolution facilities.
+ *
+ * ```js
+ * const dns = require('dns');
+ *
+ * dns.resolve4('archive.org', (err, addresses) => {
+ *   if (err) throw err;
+ *
+ *   console.log(`addresses: ${JSON.stringify(addresses)}`);
+ *
+ *   addresses.forEach((a) => {
+ *     dns.reverse(a, (err, hostnames) => {
+ *       if (err) {
+ *         throw err;
+ *       }
+ *       console.log(`reverse for ${a}: ${JSON.stringify(hostnames)}`);
+ *     });
+ *   });
+ * });
+ * ```
+ *
+ * See the `Implementation considerations section` for more information.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/dns.js)
+ */
+declare module 'dns' {
+    import * as dnsPromises from 'node:dns/promises';
+    // Supported getaddrinfo flags.
+    export const ADDRCONFIG: number;
+    export const V4MAPPED: number;
+    /**
+     * If `dns.V4MAPPED` is specified, return resolved IPv6 addresses as
+     * well as IPv4 mapped IPv6 addresses.
+     */
+    export const ALL: number;
+    export interface LookupOptions {
+        family?: number | undefined;
+        hints?: number | undefined;
+        all?: boolean | undefined;
+        /**
+         * @default true
+         */
+        verbatim?: boolean | undefined;
+    }
+    export interface LookupOneOptions extends LookupOptions {
+        all?: false | undefined;
+    }
+    export interface LookupAllOptions extends LookupOptions {
+        all: true;
+    }
+    export interface LookupAddress {
+        address: string;
+        family: number;
+    }
+    /**
+     * Resolves a host name (e.g. `'nodejs.org'`) into the first found A (IPv4) or
+     * AAAA (IPv6) record. All `option` properties are optional. If `options` is an
+     * integer, then it must be `4` or `6` – if `options` is not provided, then IPv4
+     * and IPv6 addresses are both returned if found.
+     *
+     * With the `all` option set to `true`, the arguments for `callback` change to`(err, addresses)`, with `addresses` being an array of objects with the
+     * properties `address` and `family`.
+     *
+     * On error, `err` is an `Error` object, where `err.code` is the error code.
+     * Keep in mind that `err.code` will be set to `'ENOTFOUND'` not only when
+     * the host name does not exist but also when the lookup fails in other ways
+     * such as no available file descriptors.
+     *
+     * `dns.lookup()` does not necessarily have anything to do with the DNS protocol.
+     * The implementation uses an operating system facility that can associate names
+     * with addresses, and vice versa. This implementation can have subtle but
+     * important consequences on the behavior of any Node.js program. Please take some
+     * time to consult the `Implementation considerations section` before using`dns.lookup()`.
+     *
+     * Example usage:
+     *
+     * ```js
+     * const dns = require('dns');
+     * const options = {
+     *   family: 6,
+     *   hints: dns.ADDRCONFIG | dns.V4MAPPED,
+     * };
+     * dns.lookup('example.com', options, (err, address, family) =>
+     *   console.log('address: %j family: IPv%s', address, family));
+     * // address: "2606:2800:220:1:248:1893:25c8:1946" family: IPv6
+     *
+     * // When options.all is true, the result will be an Array.
+     * options.all = true;
+     * dns.lookup('example.com', options, (err, addresses) =>
+     *   console.log('addresses: %j', addresses));
+     * // addresses: [{"address":"2606:2800:220:1:248:1893:25c8:1946","family":6}]
+     * ```
+     *
+     * If this method is invoked as its `util.promisify()` ed version, and `all`is not set to `true`, it returns a `Promise` for an `Object` with `address` and`family` properties.
+     * @since v0.1.90
+     */
+    export function lookup(hostname: string, family: number, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void): void;
+    export function lookup(hostname: string, options: LookupOneOptions, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void): void;
+    export function lookup(hostname: string, options: LookupAllOptions, callback: (err: NodeJS.ErrnoException | null, addresses: LookupAddress[]) => void): void;
+    export function lookup(hostname: string, options: LookupOptions, callback: (err: NodeJS.ErrnoException | null, address: string | LookupAddress[], family: number) => void): void;
+    export function lookup(hostname: string, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void): void;
+    export namespace lookup {
+        function __promisify__(hostname: string, options: LookupAllOptions): Promise<LookupAddress[]>;
+        function __promisify__(hostname: string, options?: LookupOneOptions | number): Promise<LookupAddress>;
+        function __promisify__(hostname: string, options: LookupOptions): Promise<LookupAddress | LookupAddress[]>;
+    }
+    /**
+     * Resolves the given `address` and `port` into a host name and service using
+     * the operating system's underlying `getnameinfo` implementation.
+     *
+     * If `address` is not a valid IP address, a `TypeError` will be thrown.
+     * The `port` will be coerced to a number. If it is not a legal port, a `TypeError`will be thrown.
+     *
+     * On an error, `err` is an `Error` object, where `err.code` is the error code.
+     *
+     * ```js
+     * const dns = require('dns');
+     * dns.lookupService('127.0.0.1', 22, (err, hostname, service) => {
+     *   console.log(hostname, service);
+     *   // Prints: localhost ssh
+     * });
+     * ```
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns a`Promise` for an `Object` with `hostname` and `service` properties.
+     * @since v0.11.14
+     */
+    export function lookupService(address: string, port: number, callback: (err: NodeJS.ErrnoException | null, hostname: string, service: string) => void): void;
+    export namespace lookupService {
+        function __promisify__(
+            address: string,
+            port: number
+        ): Promise<{
+            hostname: string;
+            service: string;
+        }>;
+    }
+    export interface ResolveOptions {
+        ttl: boolean;
+    }
+    export interface ResolveWithTtlOptions extends ResolveOptions {
+        ttl: true;
+    }
+    export interface RecordWithTtl {
+        address: string;
+        ttl: number;
+    }
+    /** @deprecated Use `AnyARecord` or `AnyAaaaRecord` instead. */
+    export type AnyRecordWithTtl = AnyARecord | AnyAaaaRecord;
+    export interface AnyARecord extends RecordWithTtl {
+        type: 'A';
+    }
+    export interface AnyAaaaRecord extends RecordWithTtl {
+        type: 'AAAA';
+    }
+    export interface CaaRecord {
+        critial: number;
+        issue?: string | undefined;
+        issuewild?: string | undefined;
+        iodef?: string | undefined;
+        contactemail?: string | undefined;
+        contactphone?: string | undefined;
+    }
+    export interface MxRecord {
+        priority: number;
+        exchange: string;
+    }
+    export interface AnyMxRecord extends MxRecord {
+        type: 'MX';
+    }
+    export interface NaptrRecord {
+        flags: string;
+        service: string;
+        regexp: string;
+        replacement: string;
+        order: number;
+        preference: number;
+    }
+    export interface AnyNaptrRecord extends NaptrRecord {
+        type: 'NAPTR';
+    }
+    export interface SoaRecord {
+        nsname: string;
+        hostmaster: string;
+        serial: number;
+        refresh: number;
+        retry: number;
+        expire: number;
+        minttl: number;
+    }
+    export interface AnySoaRecord extends SoaRecord {
+        type: 'SOA';
+    }
+    export interface SrvRecord {
+        priority: number;
+        weight: number;
+        port: number;
+        name: string;
+    }
+    export interface AnySrvRecord extends SrvRecord {
+        type: 'SRV';
+    }
+    export interface AnyTxtRecord {
+        type: 'TXT';
+        entries: string[];
+    }
+    export interface AnyNsRecord {
+        type: 'NS';
+        value: string;
+    }
+    export interface AnyPtrRecord {
+        type: 'PTR';
+        value: string;
+    }
+    export interface AnyCnameRecord {
+        type: 'CNAME';
+        value: string;
+    }
+    export type AnyRecord = AnyARecord | AnyAaaaRecord | AnyCnameRecord | AnyMxRecord | AnyNaptrRecord | AnyNsRecord | AnyPtrRecord | AnySoaRecord | AnySrvRecord | AnyTxtRecord;
+    /**
+     * Uses the DNS protocol to resolve a host name (e.g. `'nodejs.org'`) into an array
+     * of the resource records. The `callback` function has arguments`(err, records)`. When successful, `records` will be an array of resource
+     * records. The type and structure of individual results varies based on `rrtype`:
+     *
+     * <omitted>
+     *
+     * On error, `err` is an `Error` object, where `err.code` is one of the `DNS error codes`.
+     * @since v0.1.27
+     * @param hostname Host name to resolve.
+     * @param [rrtype='A'] Resource record type.
+     */
+    export function resolve(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'A', callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'AAAA', callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'ANY', callback: (err: NodeJS.ErrnoException | null, addresses: AnyRecord[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'CNAME', callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'MX', callback: (err: NodeJS.ErrnoException | null, addresses: MxRecord[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'NAPTR', callback: (err: NodeJS.ErrnoException | null, addresses: NaptrRecord[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'NS', callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'PTR', callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'SOA', callback: (err: NodeJS.ErrnoException | null, addresses: SoaRecord) => void): void;
+    export function resolve(hostname: string, rrtype: 'SRV', callback: (err: NodeJS.ErrnoException | null, addresses: SrvRecord[]) => void): void;
+    export function resolve(hostname: string, rrtype: 'TXT', callback: (err: NodeJS.ErrnoException | null, addresses: string[][]) => void): void;
+    export function resolve(
+        hostname: string,
+        rrtype: string,
+        callback: (err: NodeJS.ErrnoException | null, addresses: string[] | MxRecord[] | NaptrRecord[] | SoaRecord | SrvRecord[] | string[][] | AnyRecord[]) => void
+    ): void;
+    export namespace resolve {
+        function __promisify__(hostname: string, rrtype?: 'A' | 'AAAA' | 'CNAME' | 'NS' | 'PTR'): Promise<string[]>;
+        function __promisify__(hostname: string, rrtype: 'ANY'): Promise<AnyRecord[]>;
+        function __promisify__(hostname: string, rrtype: 'MX'): Promise<MxRecord[]>;
+        function __promisify__(hostname: string, rrtype: 'NAPTR'): Promise<NaptrRecord[]>;
+        function __promisify__(hostname: string, rrtype: 'SOA'): Promise<SoaRecord>;
+        function __promisify__(hostname: string, rrtype: 'SRV'): Promise<SrvRecord[]>;
+        function __promisify__(hostname: string, rrtype: 'TXT'): Promise<string[][]>;
+        function __promisify__(hostname: string, rrtype: string): Promise<string[] | MxRecord[] | NaptrRecord[] | SoaRecord | SrvRecord[] | string[][] | AnyRecord[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve a IPv4 addresses (`A` records) for the`hostname`. The `addresses` argument passed to the `callback` function
+     * will contain an array of IPv4 addresses (e.g.`['74.125.79.104', '74.125.79.105', '74.125.79.106']`).
+     * @since v0.1.16
+     * @param hostname Host name to resolve.
+     */
+    export function resolve4(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve4(hostname: string, options: ResolveWithTtlOptions, callback: (err: NodeJS.ErrnoException | null, addresses: RecordWithTtl[]) => void): void;
+    export function resolve4(hostname: string, options: ResolveOptions, callback: (err: NodeJS.ErrnoException | null, addresses: string[] | RecordWithTtl[]) => void): void;
+    export namespace resolve4 {
+        function __promisify__(hostname: string): Promise<string[]>;
+        function __promisify__(hostname: string, options: ResolveWithTtlOptions): Promise<RecordWithTtl[]>;
+        function __promisify__(hostname: string, options?: ResolveOptions): Promise<string[] | RecordWithTtl[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve a IPv6 addresses (`AAAA` records) for the`hostname`. The `addresses` argument passed to the `callback` function
+     * will contain an array of IPv6 addresses.
+     * @since v0.1.16
+     * @param hostname Host name to resolve.
+     */
+    export function resolve6(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export function resolve6(hostname: string, options: ResolveWithTtlOptions, callback: (err: NodeJS.ErrnoException | null, addresses: RecordWithTtl[]) => void): void;
+    export function resolve6(hostname: string, options: ResolveOptions, callback: (err: NodeJS.ErrnoException | null, addresses: string[] | RecordWithTtl[]) => void): void;
+    export namespace resolve6 {
+        function __promisify__(hostname: string): Promise<string[]>;
+        function __promisify__(hostname: string, options: ResolveWithTtlOptions): Promise<RecordWithTtl[]>;
+        function __promisify__(hostname: string, options?: ResolveOptions): Promise<string[] | RecordWithTtl[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve `CNAME` records for the `hostname`. The`addresses` argument passed to the `callback` function
+     * will contain an array of canonical name records available for the `hostname`(e.g. `['bar.example.com']`).
+     * @since v0.3.2
+     */
+    export function resolveCname(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export namespace resolveCname {
+        function __promisify__(hostname: string): Promise<string[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve `CAA` records for the `hostname`. The`addresses` argument passed to the `callback` function
+     * will contain an array of certification authority authorization records
+     * available for the `hostname` (e.g. `[{critical: 0, iodef: 'mailto:pki@example.com'}, {critical: 128, issue: 'pki.example.com'}]`).
+     * @since v15.0.0, v14.17.0
+     */
+    export function resolveCaa(hostname: string, callback: (err: NodeJS.ErrnoException | null, records: CaaRecord[]) => void): void;
+    export namespace resolveCaa {
+        function __promisify__(hostname: string): Promise<CaaRecord[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve mail exchange records (`MX` records) for the`hostname`. The `addresses` argument passed to the `callback` function will
+     * contain an array of objects containing both a `priority` and `exchange`property (e.g. `[{priority: 10, exchange: 'mx.example.com'}, ...]`).
+     * @since v0.1.27
+     */
+    export function resolveMx(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: MxRecord[]) => void): void;
+    export namespace resolveMx {
+        function __promisify__(hostname: string): Promise<MxRecord[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve regular expression based records (`NAPTR`records) for the `hostname`. The `addresses` argument passed to the `callback`function will contain an array of
+     * objects with the following properties:
+     *
+     * * `flags`
+     * * `service`
+     * * `regexp`
+     * * `replacement`
+     * * `order`
+     * * `preference`
+     *
+     * ```js
+     * {
+     *   flags: 's',
+     *   service: 'SIP+D2U',
+     *   regexp: '',
+     *   replacement: '_sip._udp.example.com',
+     *   order: 30,
+     *   preference: 100
+     * }
+     * ```
+     * @since v0.9.12
+     */
+    export function resolveNaptr(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: NaptrRecord[]) => void): void;
+    export namespace resolveNaptr {
+        function __promisify__(hostname: string): Promise<NaptrRecord[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve name server records (`NS` records) for the`hostname`. The `addresses` argument passed to the `callback` function will
+     * contain an array of name server records available for `hostname`(e.g. `['ns1.example.com', 'ns2.example.com']`).
+     * @since v0.1.90
+     */
+    export function resolveNs(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export namespace resolveNs {
+        function __promisify__(hostname: string): Promise<string[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve pointer records (`PTR` records) for the`hostname`. The `addresses` argument passed to the `callback` function will
+     * be an array of strings containing the reply records.
+     * @since v6.0.0
+     */
+    export function resolvePtr(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[]) => void): void;
+    export namespace resolvePtr {
+        function __promisify__(hostname: string): Promise<string[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve a start of authority record (`SOA` record) for
+     * the `hostname`. The `address` argument passed to the `callback` function will
+     * be an object with the following properties:
+     *
+     * * `nsname`
+     * * `hostmaster`
+     * * `serial`
+     * * `refresh`
+     * * `retry`
+     * * `expire`
+     * * `minttl`
+     *
+     * ```js
+     * {
+     *   nsname: 'ns.example.com',
+     *   hostmaster: 'root.example.com',
+     *   serial: 2013101809,
+     *   refresh: 10000,
+     *   retry: 2400,
+     *   expire: 604800,
+     *   minttl: 3600
+     * }
+     * ```
+     * @since v0.11.10
+     */
+    export function resolveSoa(hostname: string, callback: (err: NodeJS.ErrnoException | null, address: SoaRecord) => void): void;
+    export namespace resolveSoa {
+        function __promisify__(hostname: string): Promise<SoaRecord>;
+    }
+    /**
+     * Uses the DNS protocol to resolve service records (`SRV` records) for the`hostname`. The `addresses` argument passed to the `callback` function will
+     * be an array of objects with the following properties:
+     *
+     * * `priority`
+     * * `weight`
+     * * `port`
+     * * `name`
+     *
+     * ```js
+     * {
+     *   priority: 10,
+     *   weight: 5,
+     *   port: 21223,
+     *   name: 'service.example.com'
+     * }
+     * ```
+     * @since v0.1.27
+     */
+    export function resolveSrv(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: SrvRecord[]) => void): void;
+    export namespace resolveSrv {
+        function __promisify__(hostname: string): Promise<SrvRecord[]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve text queries (`TXT` records) for the`hostname`. The `records` argument passed to the `callback` function is a
+     * two-dimensional array of the text records available for `hostname` (e.g.`[ ['v=spf1 ip4:0.0.0.0 ', '~all' ] ]`). Each sub-array contains TXT chunks of
+     * one record. Depending on the use case, these could be either joined together or
+     * treated separately.
+     * @since v0.1.27
+     */
+    export function resolveTxt(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: string[][]) => void): void;
+    export namespace resolveTxt {
+        function __promisify__(hostname: string): Promise<string[][]>;
+    }
+    /**
+     * Uses the DNS protocol to resolve all records (also known as `ANY` or `*` query).
+     * The `ret` argument passed to the `callback` function will be an array containing
+     * various types of records. Each object has a property `type` that indicates the
+     * type of the current record. And depending on the `type`, additional properties
+     * will be present on the object:
+     *
+     * <omitted>
+     *
+     * Here is an example of the `ret` object passed to the callback:
+     *
+     * ```js
+     * [ { type: 'A', address: '127.0.0.1', ttl: 299 },
+     *   { type: 'CNAME', value: 'example.com' },
+     *   { type: 'MX', exchange: 'alt4.aspmx.l.example.com', priority: 50 },
+     *   { type: 'NS', value: 'ns1.example.com' },
+     *   { type: 'TXT', entries: [ 'v=spf1 include:_spf.example.com ~all' ] },
+     *   { type: 'SOA',
+     *     nsname: 'ns1.example.com',
+     *     hostmaster: 'admin.example.com',
+     *     serial: 156696742,
+     *     refresh: 900,
+     *     retry: 900,
+     *     expire: 1800,
+     *     minttl: 60 } ]
+     * ```
+     *
+     * DNS server operators may choose not to respond to `ANY`queries. It may be better to call individual methods like {@link resolve4},{@link resolveMx}, and so on. For more details, see [RFC
+     * 8482](https://tools.ietf.org/html/rfc8482).
+     */
+    export function resolveAny(hostname: string, callback: (err: NodeJS.ErrnoException | null, addresses: AnyRecord[]) => void): void;
+    export namespace resolveAny {
+        function __promisify__(hostname: string): Promise<AnyRecord[]>;
+    }
+    /**
+     * Performs a reverse DNS query that resolves an IPv4 or IPv6 address to an
+     * array of host names.
+     *
+     * On error, `err` is an `Error` object, where `err.code` is
+     * one of the `DNS error codes`.
+     * @since v0.1.16
+     */
+    export function reverse(ip: string, callback: (err: NodeJS.ErrnoException | null, hostnames: string[]) => void): void;
+    /**
+     * Sets the IP address and port of servers to be used when performing DNS
+     * resolution. The `servers` argument is an array of [RFC 5952](https://tools.ietf.org/html/rfc5952#section-6) formatted
+     * addresses. If the port is the IANA default DNS port (53) it can be omitted.
+     *
+     * ```js
+     * dns.setServers([
+     *   '4.4.4.4',
+     *   '[2001:4860:4860::8888]',
+     *   '4.4.4.4:1053',
+     *   '[2001:4860:4860::8888]:1053',
+     * ]);
+     * ```
+     *
+     * An error will be thrown if an invalid address is provided.
+     *
+     * The `dns.setServers()` method must not be called while a DNS query is in
+     * progress.
+     *
+     * The {@link setServers} method affects only {@link resolve},`dns.resolve*()` and {@link reverse} (and specifically _not_ {@link lookup}).
+     *
+     * This method works much like [resolve.conf](https://man7.org/linux/man-pages/man5/resolv.conf.5.html).
+     * That is, if attempting to resolve with the first server provided results in a`NOTFOUND` error, the `resolve()` method will _not_ attempt to resolve with
+     * subsequent servers provided. Fallback DNS servers will only be used if the
+     * earlier ones time out or result in some other error.
+     * @since v0.11.3
+     * @param servers array of `RFC 5952` formatted addresses
+     */
+    export function setServers(servers: ReadonlyArray<string>): void;
+    /**
+     * Returns an array of IP address strings, formatted according to [RFC 5952](https://tools.ietf.org/html/rfc5952#section-6),
+     * that are currently configured for DNS resolution. A string will include a port
+     * section if a custom port is used.
+     *
+     * ```js
+     * [
+     *   '4.4.4.4',
+     *   '2001:4860:4860::8888',
+     *   '4.4.4.4:1053',
+     *   '[2001:4860:4860::8888]:1053',
+     * ]
+     * ```
+     * @since v0.11.3
+     */
+    export function getServers(): string[];
+    /**
+     * Set the default value of `verbatim` in {@link lookup} and `dnsPromises.lookup()`. The value could be:
+     *
+     * * `ipv4first`: sets default `verbatim` `false`.
+     * * `verbatim`: sets default `verbatim` `true`.
+     *
+     * The default is `ipv4first` and {@link setDefaultResultOrder} have higher
+     * priority than `--dns-result-order`. When using `worker threads`,{@link setDefaultResultOrder} from the main thread won't affect the default
+     * dns orders in workers.
+     * @since v16.4.0, v14.18.0
+     * @param order must be `'ipv4first'` or `'verbatim'`.
+     */
+    export function setDefaultResultOrder(order: 'ipv4first' | 'verbatim'): void;
+    // Error codes
+    export const NODATA: string;
+    export const FORMERR: string;
+    export const SERVFAIL: string;
+    export const NOTFOUND: string;
+    export const NOTIMP: string;
+    export const REFUSED: string;
+    export const BADQUERY: string;
+    export const BADNAME: string;
+    export const BADFAMILY: string;
+    export const BADRESP: string;
+    export const CONNREFUSED: string;
+    export const TIMEOUT: string;
+    export const EOF: string;
+    export const FILE: string;
+    export const NOMEM: string;
+    export const DESTRUCTION: string;
+    export const BADSTR: string;
+    export const BADFLAGS: string;
+    export const NONAME: string;
+    export const BADHINTS: string;
+    export const NOTINITIALIZED: string;
+    export const LOADIPHLPAPI: string;
+    export const ADDRGETNETWORKPARAMS: string;
+    export const CANCELLED: string;
+    export interface ResolverOptions {
+        timeout?: number | undefined;
+        /**
+         * @default 4
+         */
+        tries?: number;
+    }
+    /**
+     * An independent resolver for DNS requests.
+     *
+     * Creating a new resolver uses the default server settings. Setting
+     * the servers used for a resolver using `resolver.setServers()` does not affect
+     * other resolvers:
+     *
+     * ```js
+     * const { Resolver } = require('dns');
+     * const resolver = new Resolver();
+     * resolver.setServers(['4.4.4.4']);
+     *
+     * // This request will use the server at 4.4.4.4, independent of global settings.
+     * resolver.resolve4('example.org', (err, addresses) => {
+     *   // ...
+     * });
+     * ```
+     *
+     * The following methods from the `dns` module are available:
+     *
+     * * `resolver.getServers()`
+     * * `resolver.resolve()`
+     * * `resolver.resolve4()`
+     * * `resolver.resolve6()`
+     * * `resolver.resolveAny()`
+     * * `resolver.resolveCaa()`
+     * * `resolver.resolveCname()`
+     * * `resolver.resolveMx()`
+     * * `resolver.resolveNaptr()`
+     * * `resolver.resolveNs()`
+     * * `resolver.resolvePtr()`
+     * * `resolver.resolveSoa()`
+     * * `resolver.resolveSrv()`
+     * * `resolver.resolveTxt()`
+     * * `resolver.reverse()`
+     * * `resolver.setServers()`
+     * @since v8.3.0
+     */
+    export class Resolver {
+        constructor(options?: ResolverOptions);
+        /**
+         * Cancel all outstanding DNS queries made by this resolver. The corresponding
+         * callbacks will be called with an error with code `ECANCELLED`.
+         * @since v8.3.0
+         */
+        cancel(): void;
+        getServers: typeof getServers;
+        resolve: typeof resolve;
+        resolve4: typeof resolve4;
+        resolve6: typeof resolve6;
+        resolveAny: typeof resolveAny;
+        resolveCname: typeof resolveCname;
+        resolveMx: typeof resolveMx;
+        resolveNaptr: typeof resolveNaptr;
+        resolveNs: typeof resolveNs;
+        resolvePtr: typeof resolvePtr;
+        resolveSoa: typeof resolveSoa;
+        resolveSrv: typeof resolveSrv;
+        resolveTxt: typeof resolveTxt;
+        reverse: typeof reverse;
+        /**
+         * The resolver instance will send its requests from the specified IP address.
+         * This allows programs to specify outbound interfaces when used on multi-homed
+         * systems.
+         *
+         * If a v4 or v6 address is not specified, it is set to the default, and the
+         * operating system will choose a local address automatically.
+         *
+         * The resolver will use the v4 local address when making requests to IPv4 DNS
+         * servers, and the v6 local address when making requests to IPv6 DNS servers.
+         * The `rrtype` of resolution requests has no impact on the local address used.
+         * @since v15.1.0, v14.17.0
+         * @param [ipv4='0.0.0.0'] A string representation of an IPv4 address.
+         * @param [ipv6='::0'] A string representation of an IPv6 address.
+         */
+        setLocalAddress(ipv4?: string, ipv6?: string): void;
+        setServers: typeof setServers;
+    }
+    export { dnsPromises as promises };
+}
+declare module 'node:dns' {
+    export * from 'dns';
+}
diff --git a/node_modules/@types/node/ts4.8/dns/promises.d.ts b/node_modules/@types/node/ts4.8/dns/promises.d.ts
new file mode 100644
index 000000000..77cd807bd
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/dns/promises.d.ts
@@ -0,0 +1,370 @@
+/**
+ * The `dns.promises` API provides an alternative set of asynchronous DNS methods
+ * that return `Promise` objects rather than using callbacks. The API is accessible
+ * via `require('dns').promises` or `require('dns/promises')`.
+ * @since v10.6.0
+ */
+declare module 'dns/promises' {
+    import {
+        LookupAddress,
+        LookupOneOptions,
+        LookupAllOptions,
+        LookupOptions,
+        AnyRecord,
+        CaaRecord,
+        MxRecord,
+        NaptrRecord,
+        SoaRecord,
+        SrvRecord,
+        ResolveWithTtlOptions,
+        RecordWithTtl,
+        ResolveOptions,
+        ResolverOptions,
+    } from 'node:dns';
+    /**
+     * Returns an array of IP address strings, formatted according to [RFC 5952](https://tools.ietf.org/html/rfc5952#section-6),
+     * that are currently configured for DNS resolution. A string will include a port
+     * section if a custom port is used.
+     *
+     * ```js
+     * [
+     *   '4.4.4.4',
+     *   '2001:4860:4860::8888',
+     *   '4.4.4.4:1053',
+     *   '[2001:4860:4860::8888]:1053',
+     * ]
+     * ```
+     * @since v10.6.0
+     */
+    function getServers(): string[];
+    /**
+     * Resolves a host name (e.g. `'nodejs.org'`) into the first found A (IPv4) or
+     * AAAA (IPv6) record. All `option` properties are optional. If `options` is an
+     * integer, then it must be `4` or `6` – if `options` is not provided, then IPv4
+     * and IPv6 addresses are both returned if found.
+     *
+     * With the `all` option set to `true`, the `Promise` is resolved with `addresses`being an array of objects with the properties `address` and `family`.
+     *
+     * On error, the `Promise` is rejected with an `Error` object, where `err.code`is the error code.
+     * Keep in mind that `err.code` will be set to `'ENOTFOUND'` not only when
+     * the host name does not exist but also when the lookup fails in other ways
+     * such as no available file descriptors.
+     *
+     * `dnsPromises.lookup()` does not necessarily have anything to do with the DNS
+     * protocol. The implementation uses an operating system facility that can
+     * associate names with addresses, and vice versa. This implementation can have
+     * subtle but important consequences on the behavior of any Node.js program. Please
+     * take some time to consult the `Implementation considerations section` before
+     * using `dnsPromises.lookup()`.
+     *
+     * Example usage:
+     *
+     * ```js
+     * const dns = require('dns');
+     * const dnsPromises = dns.promises;
+     * const options = {
+     *   family: 6,
+     *   hints: dns.ADDRCONFIG | dns.V4MAPPED,
+     * };
+     *
+     * dnsPromises.lookup('example.com', options).then((result) => {
+     *   console.log('address: %j family: IPv%s', result.address, result.family);
+     *   // address: "2606:2800:220:1:248:1893:25c8:1946" family: IPv6
+     * });
+     *
+     * // When options.all is true, the result will be an Array.
+     * options.all = true;
+     * dnsPromises.lookup('example.com', options).then((result) => {
+     *   console.log('addresses: %j', result);
+     *   // addresses: [{"address":"2606:2800:220:1:248:1893:25c8:1946","family":6}]
+     * });
+     * ```
+     * @since v10.6.0
+     */
+    function lookup(hostname: string, family: number): Promise<LookupAddress>;
+    function lookup(hostname: string, options: LookupOneOptions): Promise<LookupAddress>;
+    function lookup(hostname: string, options: LookupAllOptions): Promise<LookupAddress[]>;
+    function lookup(hostname: string, options: LookupOptions): Promise<LookupAddress | LookupAddress[]>;
+    function lookup(hostname: string): Promise<LookupAddress>;
+    /**
+     * Resolves the given `address` and `port` into a host name and service using
+     * the operating system's underlying `getnameinfo` implementation.
+     *
+     * If `address` is not a valid IP address, a `TypeError` will be thrown.
+     * The `port` will be coerced to a number. If it is not a legal port, a `TypeError`will be thrown.
+     *
+     * On error, the `Promise` is rejected with an `Error` object, where `err.code`is the error code.
+     *
+     * ```js
+     * const dnsPromises = require('dns').promises;
+     * dnsPromises.lookupService('127.0.0.1', 22).then((result) => {
+     *   console.log(result.hostname, result.service);
+     *   // Prints: localhost ssh
+     * });
+     * ```
+     * @since v10.6.0
+     */
+    function lookupService(
+        address: string,
+        port: number
+    ): Promise<{
+        hostname: string;
+        service: string;
+    }>;
+    /**
+     * Uses the DNS protocol to resolve a host name (e.g. `'nodejs.org'`) into an array
+     * of the resource records. When successful, the `Promise` is resolved with an
+     * array of resource records. The type and structure of individual results vary
+     * based on `rrtype`:
+     *
+     * <omitted>
+     *
+     * On error, the `Promise` is rejected with an `Error` object, where `err.code`is one of the `DNS error codes`.
+     * @since v10.6.0
+     * @param hostname Host name to resolve.
+     * @param [rrtype='A'] Resource record type.
+     */
+    function resolve(hostname: string): Promise<string[]>;
+    function resolve(hostname: string, rrtype: 'A'): Promise<string[]>;
+    function resolve(hostname: string, rrtype: 'AAAA'): Promise<string[]>;
+    function resolve(hostname: string, rrtype: 'ANY'): Promise<AnyRecord[]>;
+    function resolve(hostname: string, rrtype: 'CAA'): Promise<CaaRecord[]>;
+    function resolve(hostname: string, rrtype: 'CNAME'): Promise<string[]>;
+    function resolve(hostname: string, rrtype: 'MX'): Promise<MxRecord[]>;
+    function resolve(hostname: string, rrtype: 'NAPTR'): Promise<NaptrRecord[]>;
+    function resolve(hostname: string, rrtype: 'NS'): Promise<string[]>;
+    function resolve(hostname: string, rrtype: 'PTR'): Promise<string[]>;
+    function resolve(hostname: string, rrtype: 'SOA'): Promise<SoaRecord>;
+    function resolve(hostname: string, rrtype: 'SRV'): Promise<SrvRecord[]>;
+    function resolve(hostname: string, rrtype: 'TXT'): Promise<string[][]>;
+    function resolve(hostname: string, rrtype: string): Promise<string[] | MxRecord[] | NaptrRecord[] | SoaRecord | SrvRecord[] | string[][] | AnyRecord[]>;
+    /**
+     * Uses the DNS protocol to resolve IPv4 addresses (`A` records) for the`hostname`. On success, the `Promise` is resolved with an array of IPv4
+     * addresses (e.g. `['74.125.79.104', '74.125.79.105', '74.125.79.106']`).
+     * @since v10.6.0
+     * @param hostname Host name to resolve.
+     */
+    function resolve4(hostname: string): Promise<string[]>;
+    function resolve4(hostname: string, options: ResolveWithTtlOptions): Promise<RecordWithTtl[]>;
+    function resolve4(hostname: string, options: ResolveOptions): Promise<string[] | RecordWithTtl[]>;
+    /**
+     * Uses the DNS protocol to resolve IPv6 addresses (`AAAA` records) for the`hostname`. On success, the `Promise` is resolved with an array of IPv6
+     * addresses.
+     * @since v10.6.0
+     * @param hostname Host name to resolve.
+     */
+    function resolve6(hostname: string): Promise<string[]>;
+    function resolve6(hostname: string, options: ResolveWithTtlOptions): Promise<RecordWithTtl[]>;
+    function resolve6(hostname: string, options: ResolveOptions): Promise<string[] | RecordWithTtl[]>;
+    /**
+     * Uses the DNS protocol to resolve all records (also known as `ANY` or `*` query).
+     * On success, the `Promise` is resolved with an array containing various types of
+     * records. Each object has a property `type` that indicates the type of the
+     * current record. And depending on the `type`, additional properties will be
+     * present on the object:
+     *
+     * <omitted>
+     *
+     * Here is an example of the result object:
+     *
+     * ```js
+     * [ { type: 'A', address: '127.0.0.1', ttl: 299 },
+     *   { type: 'CNAME', value: 'example.com' },
+     *   { type: 'MX', exchange: 'alt4.aspmx.l.example.com', priority: 50 },
+     *   { type: 'NS', value: 'ns1.example.com' },
+     *   { type: 'TXT', entries: [ 'v=spf1 include:_spf.example.com ~all' ] },
+     *   { type: 'SOA',
+     *     nsname: 'ns1.example.com',
+     *     hostmaster: 'admin.example.com',
+     *     serial: 156696742,
+     *     refresh: 900,
+     *     retry: 900,
+     *     expire: 1800,
+     *     minttl: 60 } ]
+     * ```
+     * @since v10.6.0
+     */
+    function resolveAny(hostname: string): Promise<AnyRecord[]>;
+    /**
+     * Uses the DNS protocol to resolve `CAA` records for the `hostname`. On success,
+     * the `Promise` is resolved with an array of objects containing available
+     * certification authority authorization records available for the `hostname`(e.g. `[{critical: 0, iodef: 'mailto:pki@example.com'},{critical: 128, issue: 'pki.example.com'}]`).
+     * @since v15.0.0, v14.17.0
+     */
+    function resolveCaa(hostname: string): Promise<CaaRecord[]>;
+    /**
+     * Uses the DNS protocol to resolve `CNAME` records for the `hostname`. On success,
+     * the `Promise` is resolved with an array of canonical name records available for
+     * the `hostname` (e.g. `['bar.example.com']`).
+     * @since v10.6.0
+     */
+    function resolveCname(hostname: string): Promise<string[]>;
+    /**
+     * Uses the DNS protocol to resolve mail exchange records (`MX` records) for the`hostname`. On success, the `Promise` is resolved with an array of objects
+     * containing both a `priority` and `exchange` property (e.g.`[{priority: 10, exchange: 'mx.example.com'}, ...]`).
+     * @since v10.6.0
+     */
+    function resolveMx(hostname: string): Promise<MxRecord[]>;
+    /**
+     * Uses the DNS protocol to resolve regular expression based records (`NAPTR`records) for the `hostname`. On success, the `Promise` is resolved with an array
+     * of objects with the following properties:
+     *
+     * * `flags`
+     * * `service`
+     * * `regexp`
+     * * `replacement`
+     * * `order`
+     * * `preference`
+     *
+     * ```js
+     * {
+     *   flags: 's',
+     *   service: 'SIP+D2U',
+     *   regexp: '',
+     *   replacement: '_sip._udp.example.com',
+     *   order: 30,
+     *   preference: 100
+     * }
+     * ```
+     * @since v10.6.0
+     */
+    function resolveNaptr(hostname: string): Promise<NaptrRecord[]>;
+    /**
+     * Uses the DNS protocol to resolve name server records (`NS` records) for the`hostname`. On success, the `Promise` is resolved with an array of name server
+     * records available for `hostname` (e.g.`['ns1.example.com', 'ns2.example.com']`).
+     * @since v10.6.0
+     */
+    function resolveNs(hostname: string): Promise<string[]>;
+    /**
+     * Uses the DNS protocol to resolve pointer records (`PTR` records) for the`hostname`. On success, the `Promise` is resolved with an array of strings
+     * containing the reply records.
+     * @since v10.6.0
+     */
+    function resolvePtr(hostname: string): Promise<string[]>;
+    /**
+     * Uses the DNS protocol to resolve a start of authority record (`SOA` record) for
+     * the `hostname`. On success, the `Promise` is resolved with an object with the
+     * following properties:
+     *
+     * * `nsname`
+     * * `hostmaster`
+     * * `serial`
+     * * `refresh`
+     * * `retry`
+     * * `expire`
+     * * `minttl`
+     *
+     * ```js
+     * {
+     *   nsname: 'ns.example.com',
+     *   hostmaster: 'root.example.com',
+     *   serial: 2013101809,
+     *   refresh: 10000,
+     *   retry: 2400,
+     *   expire: 604800,
+     *   minttl: 3600
+     * }
+     * ```
+     * @since v10.6.0
+     */
+    function resolveSoa(hostname: string): Promise<SoaRecord>;
+    /**
+     * Uses the DNS protocol to resolve service records (`SRV` records) for the`hostname`. On success, the `Promise` is resolved with an array of objects with
+     * the following properties:
+     *
+     * * `priority`
+     * * `weight`
+     * * `port`
+     * * `name`
+     *
+     * ```js
+     * {
+     *   priority: 10,
+     *   weight: 5,
+     *   port: 21223,
+     *   name: 'service.example.com'
+     * }
+     * ```
+     * @since v10.6.0
+     */
+    function resolveSrv(hostname: string): Promise<SrvRecord[]>;
+    /**
+     * Uses the DNS protocol to resolve text queries (`TXT` records) for the`hostname`. On success, the `Promise` is resolved with a two-dimensional array
+     * of the text records available for `hostname` (e.g.`[ ['v=spf1 ip4:0.0.0.0 ', '~all' ] ]`). Each sub-array contains TXT chunks of
+     * one record. Depending on the use case, these could be either joined together or
+     * treated separately.
+     * @since v10.6.0
+     */
+    function resolveTxt(hostname: string): Promise<string[][]>;
+    /**
+     * Performs a reverse DNS query that resolves an IPv4 or IPv6 address to an
+     * array of host names.
+     *
+     * On error, the `Promise` is rejected with an `Error` object, where `err.code`is one of the `DNS error codes`.
+     * @since v10.6.0
+     */
+    function reverse(ip: string): Promise<string[]>;
+    /**
+     * Sets the IP address and port of servers to be used when performing DNS
+     * resolution. The `servers` argument is an array of [RFC 5952](https://tools.ietf.org/html/rfc5952#section-6) formatted
+     * addresses. If the port is the IANA default DNS port (53) it can be omitted.
+     *
+     * ```js
+     * dnsPromises.setServers([
+     *   '4.4.4.4',
+     *   '[2001:4860:4860::8888]',
+     *   '4.4.4.4:1053',
+     *   '[2001:4860:4860::8888]:1053',
+     * ]);
+     * ```
+     *
+     * An error will be thrown if an invalid address is provided.
+     *
+     * The `dnsPromises.setServers()` method must not be called while a DNS query is in
+     * progress.
+     *
+     * This method works much like [resolve.conf](https://man7.org/linux/man-pages/man5/resolv.conf.5.html).
+     * That is, if attempting to resolve with the first server provided results in a`NOTFOUND` error, the `resolve()` method will _not_ attempt to resolve with
+     * subsequent servers provided. Fallback DNS servers will only be used if the
+     * earlier ones time out or result in some other error.
+     * @since v10.6.0
+     * @param servers array of `RFC 5952` formatted addresses
+     */
+    function setServers(servers: ReadonlyArray<string>): void;
+    /**
+     * Set the default value of `verbatim` in `dns.lookup()` and `dnsPromises.lookup()`. The value could be:
+     *
+     * * `ipv4first`: sets default `verbatim` `false`.
+     * * `verbatim`: sets default `verbatim` `true`.
+     *
+     * The default is `ipv4first` and `dnsPromises.setDefaultResultOrder()` have
+     * higher priority than `--dns-result-order`. When using `worker threads`,`dnsPromises.setDefaultResultOrder()` from the main thread won't affect the
+     * default dns orders in workers.
+     * @since v16.4.0, v14.18.0
+     * @param order must be `'ipv4first'` or `'verbatim'`.
+     */
+    function setDefaultResultOrder(order: 'ipv4first' | 'verbatim'): void;
+    class Resolver {
+        constructor(options?: ResolverOptions);
+        cancel(): void;
+        getServers: typeof getServers;
+        resolve: typeof resolve;
+        resolve4: typeof resolve4;
+        resolve6: typeof resolve6;
+        resolveAny: typeof resolveAny;
+        resolveCname: typeof resolveCname;
+        resolveMx: typeof resolveMx;
+        resolveNaptr: typeof resolveNaptr;
+        resolveNs: typeof resolveNs;
+        resolvePtr: typeof resolvePtr;
+        resolveSoa: typeof resolveSoa;
+        resolveSrv: typeof resolveSrv;
+        resolveTxt: typeof resolveTxt;
+        reverse: typeof reverse;
+        setLocalAddress(ipv4?: string, ipv6?: string): void;
+        setServers: typeof setServers;
+    }
+}
+declare module 'node:dns/promises' {
+    export * from 'dns/promises';
+}
diff --git a/node_modules/@types/node/ts4.8/domain.d.ts b/node_modules/@types/node/ts4.8/domain.d.ts
new file mode 100644
index 000000000..fafe68a5d
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/domain.d.ts
@@ -0,0 +1,170 @@
+/**
+ * **This module is pending deprecation.** Once a replacement API has been
+ * finalized, this module will be fully deprecated. Most developers should
+ * **not** have cause to use this module. Users who absolutely must have
+ * the functionality that domains provide may rely on it for the time being
+ * but should expect to have to migrate to a different solution
+ * in the future.
+ *
+ * Domains provide a way to handle multiple different IO operations as a
+ * single group. If any of the event emitters or callbacks registered to a
+ * domain emit an `'error'` event, or throw an error, then the domain object
+ * will be notified, rather than losing the context of the error in the`process.on('uncaughtException')` handler, or causing the program to
+ * exit immediately with an error code.
+ * @deprecated Since v1.4.2 - Deprecated
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/domain.js)
+ */
+declare module 'domain' {
+    import EventEmitter = require('node:events');
+    /**
+     * The `Domain` class encapsulates the functionality of routing errors and
+     * uncaught exceptions to the active `Domain` object.
+     *
+     * To handle the errors that it catches, listen to its `'error'` event.
+     */
+    class Domain extends EventEmitter {
+        /**
+         * An array of timers and event emitters that have been explicitly added
+         * to the domain.
+         */
+        members: Array<EventEmitter | NodeJS.Timer>;
+        /**
+         * The `enter()` method is plumbing used by the `run()`, `bind()`, and`intercept()` methods to set the active domain. It sets `domain.active` and`process.domain` to the domain, and implicitly
+         * pushes the domain onto the domain
+         * stack managed by the domain module (see {@link exit} for details on the
+         * domain stack). The call to `enter()` delimits the beginning of a chain of
+         * asynchronous calls and I/O operations bound to a domain.
+         *
+         * Calling `enter()` changes only the active domain, and does not alter the domain
+         * itself. `enter()` and `exit()` can be called an arbitrary number of times on a
+         * single domain.
+         */
+        enter(): void;
+        /**
+         * The `exit()` method exits the current domain, popping it off the domain stack.
+         * Any time execution is going to switch to the context of a different chain of
+         * asynchronous calls, it's important to ensure that the current domain is exited.
+         * The call to `exit()` delimits either the end of or an interruption to the chain
+         * of asynchronous calls and I/O operations bound to a domain.
+         *
+         * If there are multiple, nested domains bound to the current execution context,`exit()` will exit any domains nested within this domain.
+         *
+         * Calling `exit()` changes only the active domain, and does not alter the domain
+         * itself. `enter()` and `exit()` can be called an arbitrary number of times on a
+         * single domain.
+         */
+        exit(): void;
+        /**
+         * Run the supplied function in the context of the domain, implicitly
+         * binding all event emitters, timers, and lowlevel requests that are
+         * created in that context. Optionally, arguments can be passed to
+         * the function.
+         *
+         * This is the most basic way to use a domain.
+         *
+         * ```js
+         * const domain = require('domain');
+         * const fs = require('fs');
+         * const d = domain.create();
+         * d.on('error', (er) => {
+         *   console.error('Caught error!', er);
+         * });
+         * d.run(() => {
+         *   process.nextTick(() => {
+         *     setTimeout(() => { // Simulating some various async stuff
+         *       fs.open('non-existent file', 'r', (er, fd) => {
+         *         if (er) throw er;
+         *         // proceed...
+         *       });
+         *     }, 100);
+         *   });
+         * });
+         * ```
+         *
+         * In this example, the `d.on('error')` handler will be triggered, rather
+         * than crashing the program.
+         */
+        run<T>(fn: (...args: any[]) => T, ...args: any[]): T;
+        /**
+         * Explicitly adds an emitter to the domain. If any event handlers called by
+         * the emitter throw an error, or if the emitter emits an `'error'` event, it
+         * will be routed to the domain's `'error'` event, just like with implicit
+         * binding.
+         *
+         * This also works with timers that are returned from `setInterval()` and `setTimeout()`. If their callback function throws, it will be caught by
+         * the domain `'error'` handler.
+         *
+         * If the Timer or `EventEmitter` was already bound to a domain, it is removed
+         * from that one, and bound to this one instead.
+         * @param emitter emitter or timer to be added to the domain
+         */
+        add(emitter: EventEmitter | NodeJS.Timer): void;
+        /**
+         * The opposite of {@link add}. Removes domain handling from the
+         * specified emitter.
+         * @param emitter emitter or timer to be removed from the domain
+         */
+        remove(emitter: EventEmitter | NodeJS.Timer): void;
+        /**
+         * The returned function will be a wrapper around the supplied callback
+         * function. When the returned function is called, any errors that are
+         * thrown will be routed to the domain's `'error'` event.
+         *
+         * ```js
+         * const d = domain.create();
+         *
+         * function readSomeFile(filename, cb) {
+         *   fs.readFile(filename, 'utf8', d.bind((er, data) => {
+         *     // If this throws, it will also be passed to the domain.
+         *     return cb(er, data ? JSON.parse(data) : null);
+         *   }));
+         * }
+         *
+         * d.on('error', (er) => {
+         *   // An error occurred somewhere. If we throw it now, it will crash the program
+         *   // with the normal line number and stack message.
+         * });
+         * ```
+         * @param callback The callback function
+         * @return The bound function
+         */
+        bind<T extends Function>(callback: T): T;
+        /**
+         * This method is almost identical to {@link bind}. However, in
+         * addition to catching thrown errors, it will also intercept `Error` objects sent as the first argument to the function.
+         *
+         * In this way, the common `if (err) return callback(err);` pattern can be replaced
+         * with a single error handler in a single place.
+         *
+         * ```js
+         * const d = domain.create();
+         *
+         * function readSomeFile(filename, cb) {
+         *   fs.readFile(filename, 'utf8', d.intercept((data) => {
+         *     // Note, the first argument is never passed to the
+         *     // callback since it is assumed to be the 'Error' argument
+         *     // and thus intercepted by the domain.
+         *
+         *     // If this throws, it will also be passed to the domain
+         *     // so the error-handling logic can be moved to the 'error'
+         *     // event on the domain instead of being repeated throughout
+         *     // the program.
+         *     return cb(null, JSON.parse(data));
+         *   }));
+         * }
+         *
+         * d.on('error', (er) => {
+         *   // An error occurred somewhere. If we throw it now, it will crash the program
+         *   // with the normal line number and stack message.
+         * });
+         * ```
+         * @param callback The callback function
+         * @return The intercepted function
+         */
+        intercept<T extends Function>(callback: T): T;
+    }
+    function create(): Domain;
+}
+declare module 'node:domain' {
+    export * from 'domain';
+}
diff --git a/node_modules/@types/node/ts4.8/events.d.ts b/node_modules/@types/node/ts4.8/events.d.ts
new file mode 100644
index 000000000..b8283ac95
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/events.d.ts
@@ -0,0 +1,641 @@
+/**
+ * Much of the Node.js core API is built around an idiomatic asynchronous
+ * event-driven architecture in which certain kinds of objects (called "emitters")
+ * emit named events that cause `Function` objects ("listeners") to be called.
+ *
+ * For instance: a `net.Server` object emits an event each time a peer
+ * connects to it; a `fs.ReadStream` emits an event when the file is opened;
+ * a `stream` emits an event whenever data is available to be read.
+ *
+ * All objects that emit events are instances of the `EventEmitter` class. These
+ * objects expose an `eventEmitter.on()` function that allows one or more
+ * functions to be attached to named events emitted by the object. Typically,
+ * event names are camel-cased strings but any valid JavaScript property key
+ * can be used.
+ *
+ * When the `EventEmitter` object emits an event, all of the functions attached
+ * to that specific event are called _synchronously_. Any values returned by the
+ * called listeners are _ignored_ and discarded.
+ *
+ * The following example shows a simple `EventEmitter` instance with a single
+ * listener. The `eventEmitter.on()` method is used to register listeners, while
+ * the `eventEmitter.emit()` method is used to trigger the event.
+ *
+ * ```js
+ * const EventEmitter = require('events');
+ *
+ * class MyEmitter extends EventEmitter {}
+ *
+ * const myEmitter = new MyEmitter();
+ * myEmitter.on('event', () => {
+ *   console.log('an event occurred!');
+ * });
+ * myEmitter.emit('event');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/events.js)
+ */
+declare module 'events' {
+    interface EventEmitterOptions {
+        /**
+         * Enables automatic capturing of promise rejection.
+         */
+        captureRejections?: boolean | undefined;
+    }
+    interface NodeEventTarget {
+        once(eventName: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    interface DOMEventTarget {
+        addEventListener(
+            eventName: string,
+            listener: (...args: any[]) => void,
+            opts?: {
+                once: boolean;
+            }
+        ): any;
+    }
+    interface StaticEventEmitterOptions {
+        signal?: AbortSignal | undefined;
+    }
+    interface EventEmitter extends NodeJS.EventEmitter {}
+    /**
+     * The `EventEmitter` class is defined and exposed by the `events` module:
+     *
+     * ```js
+     * const EventEmitter = require('events');
+     * ```
+     *
+     * All `EventEmitter`s emit the event `'newListener'` when new listeners are
+     * added and `'removeListener'` when existing listeners are removed.
+     *
+     * It supports the following option:
+     * @since v0.1.26
+     */
+    class EventEmitter {
+        constructor(options?: EventEmitterOptions);
+        /**
+         * Creates a `Promise` that is fulfilled when the `EventEmitter` emits the given
+         * event or that is rejected if the `EventEmitter` emits `'error'` while waiting.
+         * The `Promise` will resolve with an array of all the arguments emitted to the
+         * given event.
+         *
+         * This method is intentionally generic and works with the web platform [EventTarget](https://dom.spec.whatwg.org/#interface-eventtarget) interface, which has no special`'error'` event
+         * semantics and does not listen to the `'error'` event.
+         *
+         * ```js
+         * const { once, EventEmitter } = require('events');
+         *
+         * async function run() {
+         *   const ee = new EventEmitter();
+         *
+         *   process.nextTick(() => {
+         *     ee.emit('myevent', 42);
+         *   });
+         *
+         *   const [value] = await once(ee, 'myevent');
+         *   console.log(value);
+         *
+         *   const err = new Error('kaboom');
+         *   process.nextTick(() => {
+         *     ee.emit('error', err);
+         *   });
+         *
+         *   try {
+         *     await once(ee, 'myevent');
+         *   } catch (err) {
+         *     console.log('error happened', err);
+         *   }
+         * }
+         *
+         * run();
+         * ```
+         *
+         * The special handling of the `'error'` event is only used when `events.once()`is used to wait for another event. If `events.once()` is used to wait for the
+         * '`error'` event itself, then it is treated as any other kind of event without
+         * special handling:
+         *
+         * ```js
+         * const { EventEmitter, once } = require('events');
+         *
+         * const ee = new EventEmitter();
+         *
+         * once(ee, 'error')
+         *   .then(([err]) => console.log('ok', err.message))
+         *   .catch((err) => console.log('error', err.message));
+         *
+         * ee.emit('error', new Error('boom'));
+         *
+         * // Prints: ok boom
+         * ```
+         *
+         * An `AbortSignal` can be used to cancel waiting for the event:
+         *
+         * ```js
+         * const { EventEmitter, once } = require('events');
+         *
+         * const ee = new EventEmitter();
+         * const ac = new AbortController();
+         *
+         * async function foo(emitter, event, signal) {
+         *   try {
+         *     await once(emitter, event, { signal });
+         *     console.log('event emitted!');
+         *   } catch (error) {
+         *     if (error.name === 'AbortError') {
+         *       console.error('Waiting for the event was canceled!');
+         *     } else {
+         *       console.error('There was an error', error.message);
+         *     }
+         *   }
+         * }
+         *
+         * foo(ee, 'foo', ac.signal);
+         * ac.abort(); // Abort waiting for the event
+         * ee.emit('foo'); // Prints: Waiting for the event was canceled!
+         * ```
+         * @since v11.13.0, v10.16.0
+         */
+        static once(emitter: NodeEventTarget, eventName: string | symbol, options?: StaticEventEmitterOptions): Promise<any[]>;
+        static once(emitter: DOMEventTarget, eventName: string, options?: StaticEventEmitterOptions): Promise<any[]>;
+        /**
+         * ```js
+         * const { on, EventEmitter } = require('events');
+         *
+         * (async () => {
+         *   const ee = new EventEmitter();
+         *
+         *   // Emit later on
+         *   process.nextTick(() => {
+         *     ee.emit('foo', 'bar');
+         *     ee.emit('foo', 42);
+         *   });
+         *
+         *   for await (const event of on(ee, 'foo')) {
+         *     // The execution of this inner block is synchronous and it
+         *     // processes one event at a time (even with await). Do not use
+         *     // if concurrent execution is required.
+         *     console.log(event); // prints ['bar'] [42]
+         *   }
+         *   // Unreachable here
+         * })();
+         * ```
+         *
+         * Returns an `AsyncIterator` that iterates `eventName` events. It will throw
+         * if the `EventEmitter` emits `'error'`. It removes all listeners when
+         * exiting the loop. The `value` returned by each iteration is an array
+         * composed of the emitted event arguments.
+         *
+         * An `AbortSignal` can be used to cancel waiting on events:
+         *
+         * ```js
+         * const { on, EventEmitter } = require('events');
+         * const ac = new AbortController();
+         *
+         * (async () => {
+         *   const ee = new EventEmitter();
+         *
+         *   // Emit later on
+         *   process.nextTick(() => {
+         *     ee.emit('foo', 'bar');
+         *     ee.emit('foo', 42);
+         *   });
+         *
+         *   for await (const event of on(ee, 'foo', { signal: ac.signal })) {
+         *     // The execution of this inner block is synchronous and it
+         *     // processes one event at a time (even with await). Do not use
+         *     // if concurrent execution is required.
+         *     console.log(event); // prints ['bar'] [42]
+         *   }
+         *   // Unreachable here
+         * })();
+         *
+         * process.nextTick(() => ac.abort());
+         * ```
+         * @since v13.6.0, v12.16.0
+         * @param eventName The name of the event being listened for
+         * @return that iterates `eventName` events emitted by the `emitter`
+         */
+        static on(emitter: NodeJS.EventEmitter, eventName: string, options?: StaticEventEmitterOptions): AsyncIterableIterator<any>;
+        /**
+         * A class method that returns the number of listeners for the given `eventName`registered on the given `emitter`.
+         *
+         * ```js
+         * const { EventEmitter, listenerCount } = require('events');
+         * const myEmitter = new EventEmitter();
+         * myEmitter.on('event', () => {});
+         * myEmitter.on('event', () => {});
+         * console.log(listenerCount(myEmitter, 'event'));
+         * // Prints: 2
+         * ```
+         * @since v0.9.12
+         * @deprecated Since v3.2.0 - Use `listenerCount` instead.
+         * @param emitter The emitter to query
+         * @param eventName The event name
+         */
+        static listenerCount(emitter: NodeJS.EventEmitter, eventName: string | symbol): number;
+        /**
+         * Returns a copy of the array of listeners for the event named `eventName`.
+         *
+         * For `EventEmitter`s this behaves exactly the same as calling `.listeners` on
+         * the emitter.
+         *
+         * For `EventTarget`s this is the only way to get the event listeners for the
+         * event target. This is useful for debugging and diagnostic purposes.
+         *
+         * ```js
+         * const { getEventListeners, EventEmitter } = require('events');
+         *
+         * {
+         *   const ee = new EventEmitter();
+         *   const listener = () => console.log('Events are fun');
+         *   ee.on('foo', listener);
+         *   getEventListeners(ee, 'foo'); // [listener]
+         * }
+         * {
+         *   const et = new EventTarget();
+         *   const listener = () => console.log('Events are fun');
+         *   et.addEventListener('foo', listener);
+         *   getEventListeners(et, 'foo'); // [listener]
+         * }
+         * ```
+         * @since v15.2.0, v14.17.0
+         */
+        static getEventListeners(emitter: DOMEventTarget | NodeJS.EventEmitter, name: string | symbol): Function[];
+        /**
+         * ```js
+         * const {
+         *   setMaxListeners,
+         *   EventEmitter
+         * } = require('events');
+         *
+         * const target = new EventTarget();
+         * const emitter = new EventEmitter();
+         *
+         * setMaxListeners(5, target, emitter);
+         * ```
+         * @since v15.4.0
+         * @param n A non-negative number. The maximum number of listeners per `EventTarget` event.
+         * @param eventsTargets Zero or more {EventTarget} or {EventEmitter} instances. If none are specified, `n` is set as the default max for all newly created {EventTarget} and {EventEmitter}
+         * objects.
+         */
+        static setMaxListeners(n?: number, ...eventTargets: Array<DOMEventTarget | NodeJS.EventEmitter>): void;
+        /**
+         * This symbol shall be used to install a listener for only monitoring `'error'`
+         * events. Listeners installed using this symbol are called before the regular
+         * `'error'` listeners are called.
+         *
+         * Installing a listener using this symbol does not change the behavior once an
+         * `'error'` event is emitted, therefore the process will still crash if no
+         * regular `'error'` listener is installed.
+         */
+        static readonly errorMonitor: unique symbol;
+        static readonly captureRejectionSymbol: unique symbol;
+        /**
+         * Sets or gets the default captureRejection value for all emitters.
+         */
+        // TODO: These should be described using static getter/setter pairs:
+        static captureRejections: boolean;
+        static defaultMaxListeners: number;
+    }
+    import internal = require('node:events');
+    namespace EventEmitter {
+        // Should just be `export { EventEmitter }`, but that doesn't work in TypeScript 3.4
+        export { internal as EventEmitter };
+        export interface Abortable {
+            /**
+             * When provided the corresponding `AbortController` can be used to cancel an asynchronous action.
+             */
+            signal?: AbortSignal | undefined;
+        }
+    }
+    global {
+        namespace NodeJS {
+            interface EventEmitter {
+                /**
+                 * Alias for `emitter.on(eventName, listener)`.
+                 * @since v0.1.26
+                 */
+                addListener(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Adds the `listener` function to the end of the listeners array for the
+                 * event named `eventName`. No checks are made to see if the `listener` has
+                 * already been added. Multiple calls passing the same combination of `eventName`and `listener` will result in the `listener` being added, and called, multiple
+                 * times.
+                 *
+                 * ```js
+                 * server.on('connection', (stream) => {
+                 *   console.log('someone connected!');
+                 * });
+                 * ```
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 *
+                 * By default, event listeners are invoked in the order they are added. The`emitter.prependListener()` method can be used as an alternative to add the
+                 * event listener to the beginning of the listeners array.
+                 *
+                 * ```js
+                 * const myEE = new EventEmitter();
+                 * myEE.on('foo', () => console.log('a'));
+                 * myEE.prependListener('foo', () => console.log('b'));
+                 * myEE.emit('foo');
+                 * // Prints:
+                 * //   b
+                 * //   a
+                 * ```
+                 * @since v0.1.101
+                 * @param eventName The name of the event.
+                 * @param listener The callback function
+                 */
+                on(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Adds a **one-time**`listener` function for the event named `eventName`. The
+                 * next time `eventName` is triggered, this listener is removed and then invoked.
+                 *
+                 * ```js
+                 * server.once('connection', (stream) => {
+                 *   console.log('Ah, we have our first user!');
+                 * });
+                 * ```
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 *
+                 * By default, event listeners are invoked in the order they are added. The`emitter.prependOnceListener()` method can be used as an alternative to add the
+                 * event listener to the beginning of the listeners array.
+                 *
+                 * ```js
+                 * const myEE = new EventEmitter();
+                 * myEE.once('foo', () => console.log('a'));
+                 * myEE.prependOnceListener('foo', () => console.log('b'));
+                 * myEE.emit('foo');
+                 * // Prints:
+                 * //   b
+                 * //   a
+                 * ```
+                 * @since v0.3.0
+                 * @param eventName The name of the event.
+                 * @param listener The callback function
+                 */
+                once(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Removes the specified `listener` from the listener array for the event named`eventName`.
+                 *
+                 * ```js
+                 * const callback = (stream) => {
+                 *   console.log('someone connected!');
+                 * };
+                 * server.on('connection', callback);
+                 * // ...
+                 * server.removeListener('connection', callback);
+                 * ```
+                 *
+                 * `removeListener()` will remove, at most, one instance of a listener from the
+                 * listener array. If any single listener has been added multiple times to the
+                 * listener array for the specified `eventName`, then `removeListener()` must be
+                 * called multiple times to remove each instance.
+                 *
+                 * Once an event is emitted, all listeners attached to it at the
+                 * time of emitting are called in order. This implies that any`removeListener()` or `removeAllListeners()` calls _after_ emitting and _before_ the last listener finishes execution
+                 * will not remove them from`emit()` in progress. Subsequent events behave as expected.
+                 *
+                 * ```js
+                 * const myEmitter = new MyEmitter();
+                 *
+                 * const callbackA = () => {
+                 *   console.log('A');
+                 *   myEmitter.removeListener('event', callbackB);
+                 * };
+                 *
+                 * const callbackB = () => {
+                 *   console.log('B');
+                 * };
+                 *
+                 * myEmitter.on('event', callbackA);
+                 *
+                 * myEmitter.on('event', callbackB);
+                 *
+                 * // callbackA removes listener callbackB but it will still be called.
+                 * // Internal listener array at time of emit [callbackA, callbackB]
+                 * myEmitter.emit('event');
+                 * // Prints:
+                 * //   A
+                 * //   B
+                 *
+                 * // callbackB is now removed.
+                 * // Internal listener array [callbackA]
+                 * myEmitter.emit('event');
+                 * // Prints:
+                 * //   A
+                 * ```
+                 *
+                 * Because listeners are managed using an internal array, calling this will
+                 * change the position indices of any listener registered _after_ the listener
+                 * being removed. This will not impact the order in which listeners are called,
+                 * but it means that any copies of the listener array as returned by
+                 * the `emitter.listeners()` method will need to be recreated.
+                 *
+                 * When a single function has been added as a handler multiple times for a single
+                 * event (as in the example below), `removeListener()` will remove the most
+                 * recently added instance. In the example the `once('ping')`listener is removed:
+                 *
+                 * ```js
+                 * const ee = new EventEmitter();
+                 *
+                 * function pong() {
+                 *   console.log('pong');
+                 * }
+                 *
+                 * ee.on('ping', pong);
+                 * ee.once('ping', pong);
+                 * ee.removeListener('ping', pong);
+                 *
+                 * ee.emit('ping');
+                 * ee.emit('ping');
+                 * ```
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 * @since v0.1.26
+                 */
+                removeListener(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Alias for `emitter.removeListener()`.
+                 * @since v10.0.0
+                 */
+                off(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Removes all listeners, or those of the specified `eventName`.
+                 *
+                 * It is bad practice to remove listeners added elsewhere in the code,
+                 * particularly when the `EventEmitter` instance was created by some other
+                 * component or module (e.g. sockets or file streams).
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 * @since v0.1.26
+                 */
+                removeAllListeners(event?: string | symbol): this;
+                /**
+                 * By default `EventEmitter`s will print a warning if more than `10` listeners are
+                 * added for a particular event. This is a useful default that helps finding
+                 * memory leaks. The `emitter.setMaxListeners()` method allows the limit to be
+                 * modified for this specific `EventEmitter` instance. The value can be set to`Infinity` (or `0`) to indicate an unlimited number of listeners.
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 * @since v0.3.5
+                 */
+                setMaxListeners(n: number): this;
+                /**
+                 * Returns the current max listener value for the `EventEmitter` which is either
+                 * set by `emitter.setMaxListeners(n)` or defaults to {@link defaultMaxListeners}.
+                 * @since v1.0.0
+                 */
+                getMaxListeners(): number;
+                /**
+                 * Returns a copy of the array of listeners for the event named `eventName`.
+                 *
+                 * ```js
+                 * server.on('connection', (stream) => {
+                 *   console.log('someone connected!');
+                 * });
+                 * console.log(util.inspect(server.listeners('connection')));
+                 * // Prints: [ [Function] ]
+                 * ```
+                 * @since v0.1.26
+                 */
+                listeners(eventName: string | symbol): Function[];
+                /**
+                 * Returns a copy of the array of listeners for the event named `eventName`,
+                 * including any wrappers (such as those created by `.once()`).
+                 *
+                 * ```js
+                 * const emitter = new EventEmitter();
+                 * emitter.once('log', () => console.log('log once'));
+                 *
+                 * // Returns a new Array with a function `onceWrapper` which has a property
+                 * // `listener` which contains the original listener bound above
+                 * const listeners = emitter.rawListeners('log');
+                 * const logFnWrapper = listeners[0];
+                 *
+                 * // Logs "log once" to the console and does not unbind the `once` event
+                 * logFnWrapper.listener();
+                 *
+                 * // Logs "log once" to the console and removes the listener
+                 * logFnWrapper();
+                 *
+                 * emitter.on('log', () => console.log('log persistently'));
+                 * // Will return a new Array with a single function bound by `.on()` above
+                 * const newListeners = emitter.rawListeners('log');
+                 *
+                 * // Logs "log persistently" twice
+                 * newListeners[0]();
+                 * emitter.emit('log');
+                 * ```
+                 * @since v9.4.0
+                 */
+                rawListeners(eventName: string | symbol): Function[];
+                /**
+                 * Synchronously calls each of the listeners registered for the event named`eventName`, in the order they were registered, passing the supplied arguments
+                 * to each.
+                 *
+                 * Returns `true` if the event had listeners, `false` otherwise.
+                 *
+                 * ```js
+                 * const EventEmitter = require('events');
+                 * const myEmitter = new EventEmitter();
+                 *
+                 * // First listener
+                 * myEmitter.on('event', function firstListener() {
+                 *   console.log('Helloooo! first listener');
+                 * });
+                 * // Second listener
+                 * myEmitter.on('event', function secondListener(arg1, arg2) {
+                 *   console.log(`event with parameters ${arg1}, ${arg2} in second listener`);
+                 * });
+                 * // Third listener
+                 * myEmitter.on('event', function thirdListener(...args) {
+                 *   const parameters = args.join(', ');
+                 *   console.log(`event with parameters ${parameters} in third listener`);
+                 * });
+                 *
+                 * console.log(myEmitter.listeners('event'));
+                 *
+                 * myEmitter.emit('event', 1, 2, 3, 4, 5);
+                 *
+                 * // Prints:
+                 * // [
+                 * //   [Function: firstListener],
+                 * //   [Function: secondListener],
+                 * //   [Function: thirdListener]
+                 * // ]
+                 * // Helloooo! first listener
+                 * // event with parameters 1, 2 in second listener
+                 * // event with parameters 1, 2, 3, 4, 5 in third listener
+                 * ```
+                 * @since v0.1.26
+                 */
+                emit(eventName: string | symbol, ...args: any[]): boolean;
+                /**
+                 * Returns the number of listeners listening to the event named `eventName`.
+                 * @since v3.2.0
+                 * @param eventName The name of the event being listened for
+                 */
+                listenerCount(eventName: string | symbol): number;
+                /**
+                 * Adds the `listener` function to the _beginning_ of the listeners array for the
+                 * event named `eventName`. No checks are made to see if the `listener` has
+                 * already been added. Multiple calls passing the same combination of `eventName`and `listener` will result in the `listener` being added, and called, multiple
+                 * times.
+                 *
+                 * ```js
+                 * server.prependListener('connection', (stream) => {
+                 *   console.log('someone connected!');
+                 * });
+                 * ```
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 * @since v6.0.0
+                 * @param eventName The name of the event.
+                 * @param listener The callback function
+                 */
+                prependListener(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Adds a **one-time**`listener` function for the event named `eventName` to the _beginning_ of the listeners array. The next time `eventName` is triggered, this
+                 * listener is removed, and then invoked.
+                 *
+                 * ```js
+                 * server.prependOnceListener('connection', (stream) => {
+                 *   console.log('Ah, we have our first user!');
+                 * });
+                 * ```
+                 *
+                 * Returns a reference to the `EventEmitter`, so that calls can be chained.
+                 * @since v6.0.0
+                 * @param eventName The name of the event.
+                 * @param listener The callback function
+                 */
+                prependOnceListener(eventName: string | symbol, listener: (...args: any[]) => void): this;
+                /**
+                 * Returns an array listing the events for which the emitter has registered
+                 * listeners. The values in the array are strings or `Symbol`s.
+                 *
+                 * ```js
+                 * const EventEmitter = require('events');
+                 * const myEE = new EventEmitter();
+                 * myEE.on('foo', () => {});
+                 * myEE.on('bar', () => {});
+                 *
+                 * const sym = Symbol('symbol');
+                 * myEE.on(sym, () => {});
+                 *
+                 * console.log(myEE.eventNames());
+                 * // Prints: [ 'foo', 'bar', Symbol(symbol) ]
+                 * ```
+                 * @since v6.0.0
+                 */
+                eventNames(): Array<string | symbol>;
+            }
+        }
+    }
+    export = EventEmitter;
+}
+declare module 'node:events' {
+    import events = require('events');
+    export = events;
+}
diff --git a/node_modules/@types/node/ts4.8/fs.d.ts b/node_modules/@types/node/ts4.8/fs.d.ts
new file mode 100644
index 000000000..75c53fb0d
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/fs.d.ts
@@ -0,0 +1,3872 @@
+/**
+ * The `fs` module enables interacting with the file system in a
+ * way modeled on standard POSIX functions.
+ *
+ * To use the promise-based APIs:
+ *
+ * ```js
+ * import * as fs from 'fs/promises';
+ * ```
+ *
+ * To use the callback and sync APIs:
+ *
+ * ```js
+ * import * as fs from 'fs';
+ * ```
+ *
+ * All file system operations have synchronous, callback, and promise-based
+ * forms, and are accessible using both CommonJS syntax and ES6 Modules (ESM).
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/fs.js)
+ */
+declare module 'fs' {
+    import * as stream from 'node:stream';
+    import { Abortable, EventEmitter } from 'node:events';
+    import { URL } from 'node:url';
+    import * as promises from 'node:fs/promises';
+    export { promises };
+    /**
+     * Valid types for path values in "fs".
+     */
+    export type PathLike = string | Buffer | URL;
+    export type PathOrFileDescriptor = PathLike | number;
+    export type TimeLike = string | number | Date;
+    export type NoParamCallback = (err: NodeJS.ErrnoException | null) => void;
+    export type BufferEncodingOption =
+        | 'buffer'
+        | {
+              encoding: 'buffer';
+          };
+    export interface ObjectEncodingOptions {
+        encoding?: BufferEncoding | null | undefined;
+    }
+    export type EncodingOption = ObjectEncodingOptions | BufferEncoding | undefined | null;
+    export type OpenMode = number | string;
+    export type Mode = number | string;
+    export interface StatsBase<T> {
+        isFile(): boolean;
+        isDirectory(): boolean;
+        isBlockDevice(): boolean;
+        isCharacterDevice(): boolean;
+        isSymbolicLink(): boolean;
+        isFIFO(): boolean;
+        isSocket(): boolean;
+        dev: T;
+        ino: T;
+        mode: T;
+        nlink: T;
+        uid: T;
+        gid: T;
+        rdev: T;
+        size: T;
+        blksize: T;
+        blocks: T;
+        atimeMs: T;
+        mtimeMs: T;
+        ctimeMs: T;
+        birthtimeMs: T;
+        atime: Date;
+        mtime: Date;
+        ctime: Date;
+        birthtime: Date;
+    }
+    export interface Stats extends StatsBase<number> {}
+    /**
+     * A `fs.Stats` object provides information about a file.
+     *
+     * Objects returned from {@link stat}, {@link lstat} and {@link fstat} and
+     * their synchronous counterparts are of this type.
+     * If `bigint` in the `options` passed to those methods is true, the numeric values
+     * will be `bigint` instead of `number`, and the object will contain additional
+     * nanosecond-precision properties suffixed with `Ns`.
+     *
+     * ```console
+     * Stats {
+     *   dev: 2114,
+     *   ino: 48064969,
+     *   mode: 33188,
+     *   nlink: 1,
+     *   uid: 85,
+     *   gid: 100,
+     *   rdev: 0,
+     *   size: 527,
+     *   blksize: 4096,
+     *   blocks: 8,
+     *   atimeMs: 1318289051000.1,
+     *   mtimeMs: 1318289051000.1,
+     *   ctimeMs: 1318289051000.1,
+     *   birthtimeMs: 1318289051000.1,
+     *   atime: Mon, 10 Oct 2011 23:24:11 GMT,
+     *   mtime: Mon, 10 Oct 2011 23:24:11 GMT,
+     *   ctime: Mon, 10 Oct 2011 23:24:11 GMT,
+     *   birthtime: Mon, 10 Oct 2011 23:24:11 GMT }
+     * ```
+     *
+     * `bigint` version:
+     *
+     * ```console
+     * BigIntStats {
+     *   dev: 2114n,
+     *   ino: 48064969n,
+     *   mode: 33188n,
+     *   nlink: 1n,
+     *   uid: 85n,
+     *   gid: 100n,
+     *   rdev: 0n,
+     *   size: 527n,
+     *   blksize: 4096n,
+     *   blocks: 8n,
+     *   atimeMs: 1318289051000n,
+     *   mtimeMs: 1318289051000n,
+     *   ctimeMs: 1318289051000n,
+     *   birthtimeMs: 1318289051000n,
+     *   atimeNs: 1318289051000000000n,
+     *   mtimeNs: 1318289051000000000n,
+     *   ctimeNs: 1318289051000000000n,
+     *   birthtimeNs: 1318289051000000000n,
+     *   atime: Mon, 10 Oct 2011 23:24:11 GMT,
+     *   mtime: Mon, 10 Oct 2011 23:24:11 GMT,
+     *   ctime: Mon, 10 Oct 2011 23:24:11 GMT,
+     *   birthtime: Mon, 10 Oct 2011 23:24:11 GMT }
+     * ```
+     * @since v0.1.21
+     */
+    export class Stats {}
+    /**
+     * A representation of a directory entry, which can be a file or a subdirectory
+     * within the directory, as returned by reading from an `fs.Dir`. The
+     * directory entry is a combination of the file name and file type pairs.
+     *
+     * Additionally, when {@link readdir} or {@link readdirSync} is called with
+     * the `withFileTypes` option set to `true`, the resulting array is filled with `fs.Dirent` objects, rather than strings or `Buffer` s.
+     * @since v10.10.0
+     */
+    export class Dirent {
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a regular file.
+         * @since v10.10.0
+         */
+        isFile(): boolean;
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a file system
+         * directory.
+         * @since v10.10.0
+         */
+        isDirectory(): boolean;
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a block device.
+         * @since v10.10.0
+         */
+        isBlockDevice(): boolean;
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a character device.
+         * @since v10.10.0
+         */
+        isCharacterDevice(): boolean;
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a symbolic link.
+         * @since v10.10.0
+         */
+        isSymbolicLink(): boolean;
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a first-in-first-out
+         * (FIFO) pipe.
+         * @since v10.10.0
+         */
+        isFIFO(): boolean;
+        /**
+         * Returns `true` if the `fs.Dirent` object describes a socket.
+         * @since v10.10.0
+         */
+        isSocket(): boolean;
+        /**
+         * The file name that this `fs.Dirent` object refers to. The type of this
+         * value is determined by the `options.encoding` passed to {@link readdir} or {@link readdirSync}.
+         * @since v10.10.0
+         */
+        name: string;
+    }
+    /**
+     * A class representing a directory stream.
+     *
+     * Created by {@link opendir}, {@link opendirSync}, or `fsPromises.opendir()`.
+     *
+     * ```js
+     * import { opendir } from 'fs/promises';
+     *
+     * try {
+     *   const dir = await opendir('./');
+     *   for await (const dirent of dir)
+     *     console.log(dirent.name);
+     * } catch (err) {
+     *   console.error(err);
+     * }
+     * ```
+     *
+     * When using the async iterator, the `fs.Dir` object will be automatically
+     * closed after the iterator exits.
+     * @since v12.12.0
+     */
+    export class Dir implements AsyncIterable<Dirent> {
+        /**
+         * The read-only path of this directory as was provided to {@link opendir},{@link opendirSync}, or `fsPromises.opendir()`.
+         * @since v12.12.0
+         */
+        readonly path: string;
+        /**
+         * Asynchronously iterates over the directory via `readdir(3)` until all entries have been read.
+         */
+        [Symbol.asyncIterator](): AsyncIterableIterator<Dirent>;
+        /**
+         * Asynchronously close the directory's underlying resource handle.
+         * Subsequent reads will result in errors.
+         *
+         * A promise is returned that will be resolved after the resource has been
+         * closed.
+         * @since v12.12.0
+         */
+        close(): Promise<void>;
+        close(cb: NoParamCallback): void;
+        /**
+         * Synchronously close the directory's underlying resource handle.
+         * Subsequent reads will result in errors.
+         * @since v12.12.0
+         */
+        closeSync(): void;
+        /**
+         * Asynchronously read the next directory entry via [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) as an `fs.Dirent`.
+         *
+         * A promise is returned that will be resolved with an `fs.Dirent`, or `null`if there are no more directory entries to read.
+         *
+         * Directory entries returned by this function are in no particular order as
+         * provided by the operating system's underlying directory mechanisms.
+         * Entries added or removed while iterating over the directory might not be
+         * included in the iteration results.
+         * @since v12.12.0
+         * @return containing {fs.Dirent|null}
+         */
+        read(): Promise<Dirent | null>;
+        read(cb: (err: NodeJS.ErrnoException | null, dirEnt: Dirent | null) => void): void;
+        /**
+         * Synchronously read the next directory entry as an `fs.Dirent`. See the
+         * POSIX [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) documentation for more detail.
+         *
+         * If there are no more directory entries to read, `null` will be returned.
+         *
+         * Directory entries returned by this function are in no particular order as
+         * provided by the operating system's underlying directory mechanisms.
+         * Entries added or removed while iterating over the directory might not be
+         * included in the iteration results.
+         * @since v12.12.0
+         */
+        readSync(): Dirent | null;
+    }
+    /**
+     * Class: fs.StatWatcher
+     * @since v14.3.0, v12.20.0
+     * Extends `EventEmitter`
+     * A successful call to {@link watchFile} method will return a new fs.StatWatcher object.
+     */
+    export interface StatWatcher extends EventEmitter {
+        /**
+         * When called, requests that the Node.js event loop _not_ exit so long as the `fs.StatWatcher` is active. Calling `watcher.ref()` multiple times will have
+         * no effect.
+         *
+         * By default, all `fs.StatWatcher` objects are "ref'ed", making it normally
+         * unnecessary to call `watcher.ref()` unless `watcher.unref()` had been
+         * called previously.
+         * @since v14.3.0, v12.20.0
+         */
+        ref(): this;
+        /**
+         * When called, the active `fs.StatWatcher` object will not require the Node.js
+         * event loop to remain active. If there is no other activity keeping the
+         * event loop running, the process may exit before the `fs.StatWatcher` object's
+         * callback is invoked. Calling `watcher.unref()` multiple times will have
+         * no effect.
+         * @since v14.3.0, v12.20.0
+         */
+        unref(): this;
+    }
+    export interface FSWatcher extends EventEmitter {
+        /**
+         * Stop watching for changes on the given `fs.FSWatcher`. Once stopped, the `fs.FSWatcher` object is no longer usable.
+         * @since v0.5.8
+         */
+        close(): void;
+        /**
+         * events.EventEmitter
+         *   1. change
+         *   2. error
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this;
+        addListener(event: 'error', listener: (error: Error) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this;
+        on(event: 'error', listener: (error: Error) => void): this;
+        on(event: 'close', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this;
+        once(event: 'error', listener: (error: Error) => void): this;
+        once(event: 'close', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this;
+        prependListener(event: 'error', listener: (error: Error) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'change', listener: (eventType: string, filename: string | Buffer) => void): this;
+        prependOnceListener(event: 'error', listener: (error: Error) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+    }
+    /**
+     * Instances of `fs.ReadStream` are created and returned using the {@link createReadStream} function.
+     * @since v0.1.93
+     */
+    export class ReadStream extends stream.Readable {
+        close(callback?: (err?: NodeJS.ErrnoException | null) => void): void;
+        /**
+         * The number of bytes that have been read so far.
+         * @since v6.4.0
+         */
+        bytesRead: number;
+        /**
+         * The path to the file the stream is reading from as specified in the first
+         * argument to `fs.createReadStream()`. If `path` is passed as a string, then`readStream.path` will be a string. If `path` is passed as a `Buffer`, then`readStream.path` will be a
+         * `Buffer`. If `fd` is specified, then`readStream.path` will be `undefined`.
+         * @since v0.1.93
+         */
+        path: string | Buffer;
+        /**
+         * This property is `true` if the underlying file has not been opened yet,
+         * i.e. before the `'ready'` event is emitted.
+         * @since v11.2.0, v10.16.0
+         */
+        pending: boolean;
+        /**
+         * events.EventEmitter
+         *   1. open
+         *   2. close
+         *   3. ready
+         */
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        addListener(event: 'end', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'open', listener: (fd: number) => void): this;
+        addListener(event: 'pause', listener: () => void): this;
+        addListener(event: 'readable', listener: () => void): this;
+        addListener(event: 'ready', listener: () => void): this;
+        addListener(event: 'resume', listener: () => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        on(event: 'end', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'open', listener: (fd: number) => void): this;
+        on(event: 'pause', listener: () => void): this;
+        on(event: 'readable', listener: () => void): this;
+        on(event: 'ready', listener: () => void): this;
+        on(event: 'resume', listener: () => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        once(event: 'end', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'open', listener: (fd: number) => void): this;
+        once(event: 'pause', listener: () => void): this;
+        once(event: 'readable', listener: () => void): this;
+        once(event: 'ready', listener: () => void): this;
+        once(event: 'resume', listener: () => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        prependListener(event: 'end', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'open', listener: (fd: number) => void): this;
+        prependListener(event: 'pause', listener: () => void): this;
+        prependListener(event: 'readable', listener: () => void): this;
+        prependListener(event: 'ready', listener: () => void): this;
+        prependListener(event: 'resume', listener: () => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        prependOnceListener(event: 'end', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'open', listener: (fd: number) => void): this;
+        prependOnceListener(event: 'pause', listener: () => void): this;
+        prependOnceListener(event: 'readable', listener: () => void): this;
+        prependOnceListener(event: 'ready', listener: () => void): this;
+        prependOnceListener(event: 'resume', listener: () => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    /**
+     * * Extends `stream.Writable`
+     *
+     * Instances of `fs.WriteStream` are created and returned using the {@link createWriteStream} function.
+     * @since v0.1.93
+     */
+    export class WriteStream extends stream.Writable {
+        /**
+         * Closes `writeStream`. Optionally accepts a
+         * callback that will be executed once the `writeStream`is closed.
+         * @since v0.9.4
+         */
+        close(callback?: (err?: NodeJS.ErrnoException | null) => void): void;
+        /**
+         * The number of bytes written so far. Does not include data that is still queued
+         * for writing.
+         * @since v0.4.7
+         */
+        bytesWritten: number;
+        /**
+         * The path to the file the stream is writing to as specified in the first
+         * argument to {@link createWriteStream}. If `path` is passed as a string, then`writeStream.path` will be a string. If `path` is passed as a `Buffer`, then`writeStream.path` will be a
+         * `Buffer`.
+         * @since v0.1.93
+         */
+        path: string | Buffer;
+        /**
+         * This property is `true` if the underlying file has not been opened yet,
+         * i.e. before the `'ready'` event is emitted.
+         * @since v11.2.0
+         */
+        pending: boolean;
+        /**
+         * events.EventEmitter
+         *   1. open
+         *   2. close
+         *   3. ready
+         */
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'drain', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'finish', listener: () => void): this;
+        addListener(event: 'open', listener: (fd: number) => void): this;
+        addListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: 'ready', listener: () => void): this;
+        addListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'drain', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'finish', listener: () => void): this;
+        on(event: 'open', listener: (fd: number) => void): this;
+        on(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        on(event: 'ready', listener: () => void): this;
+        on(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'drain', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'finish', listener: () => void): this;
+        once(event: 'open', listener: (fd: number) => void): this;
+        once(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        once(event: 'ready', listener: () => void): this;
+        once(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'drain', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'finish', listener: () => void): this;
+        prependListener(event: 'open', listener: (fd: number) => void): this;
+        prependListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: 'ready', listener: () => void): this;
+        prependListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'drain', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'finish', listener: () => void): this;
+        prependOnceListener(event: 'open', listener: (fd: number) => void): this;
+        prependOnceListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: 'ready', listener: () => void): this;
+        prependOnceListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    /**
+     * Asynchronously rename file at `oldPath` to the pathname provided
+     * as `newPath`. In the case that `newPath` already exists, it will
+     * be overwritten. If there is a directory at `newPath`, an error will
+     * be raised instead. No arguments other than a possible exception are
+     * given to the completion callback.
+     *
+     * See also: [`rename(2)`](http://man7.org/linux/man-pages/man2/rename.2.html).
+     *
+     * ```js
+     * import { rename } from 'fs';
+     *
+     * rename('oldFile.txt', 'newFile.txt', (err) => {
+     *   if (err) throw err;
+     *   console.log('Rename complete!');
+     * });
+     * ```
+     * @since v0.0.2
+     */
+    export function rename(oldPath: PathLike, newPath: PathLike, callback: NoParamCallback): void;
+    export namespace rename {
+        /**
+         * Asynchronous rename(2) - Change the name or location of a file or directory.
+         * @param oldPath A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         * @param newPath A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         */
+        function __promisify__(oldPath: PathLike, newPath: PathLike): Promise<void>;
+    }
+    /**
+     * Renames the file from `oldPath` to `newPath`. Returns `undefined`.
+     *
+     * See the POSIX [`rename(2)`](http://man7.org/linux/man-pages/man2/rename.2.html) documentation for more details.
+     * @since v0.1.21
+     */
+    export function renameSync(oldPath: PathLike, newPath: PathLike): void;
+    /**
+     * Truncates the file. No arguments other than a possible exception are
+     * given to the completion callback. A file descriptor can also be passed as the
+     * first argument. In this case, `fs.ftruncate()` is called.
+     *
+     * ```js
+     * import { truncate } from 'fs';
+     * // Assuming that 'path/file.txt' is a regular file.
+     * truncate('path/file.txt', (err) => {
+     *   if (err) throw err;
+     *   console.log('path/file.txt was truncated');
+     * });
+     * ```
+     *
+     * Passing a file descriptor is deprecated and may result in an error being thrown
+     * in the future.
+     *
+     * See the POSIX [`truncate(2)`](http://man7.org/linux/man-pages/man2/truncate.2.html) documentation for more details.
+     * @since v0.8.6
+     * @param [len=0]
+     */
+    export function truncate(path: PathLike, len: number | undefined | null, callback: NoParamCallback): void;
+    /**
+     * Asynchronous truncate(2) - Truncate a file to a specified length.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function truncate(path: PathLike, callback: NoParamCallback): void;
+    export namespace truncate {
+        /**
+         * Asynchronous truncate(2) - Truncate a file to a specified length.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param len If not specified, defaults to `0`.
+         */
+        function __promisify__(path: PathLike, len?: number | null): Promise<void>;
+    }
+    /**
+     * Truncates the file. Returns `undefined`. A file descriptor can also be
+     * passed as the first argument. In this case, `fs.ftruncateSync()` is called.
+     *
+     * Passing a file descriptor is deprecated and may result in an error being thrown
+     * in the future.
+     * @since v0.8.6
+     * @param [len=0]
+     */
+    export function truncateSync(path: PathLike, len?: number | null): void;
+    /**
+     * Truncates the file descriptor. No arguments other than a possible exception are
+     * given to the completion callback.
+     *
+     * See the POSIX [`ftruncate(2)`](http://man7.org/linux/man-pages/man2/ftruncate.2.html) documentation for more detail.
+     *
+     * If the file referred to by the file descriptor was larger than `len` bytes, only
+     * the first `len` bytes will be retained in the file.
+     *
+     * For example, the following program retains only the first four bytes of the
+     * file:
+     *
+     * ```js
+     * import { open, close, ftruncate } from 'fs';
+     *
+     * function closeFd(fd) {
+     *   close(fd, (err) => {
+     *     if (err) throw err;
+     *   });
+     * }
+     *
+     * open('temp.txt', 'r+', (err, fd) => {
+     *   if (err) throw err;
+     *
+     *   try {
+     *     ftruncate(fd, 4, (err) => {
+     *       closeFd(fd);
+     *       if (err) throw err;
+     *     });
+     *   } catch (err) {
+     *     closeFd(fd);
+     *     if (err) throw err;
+     *   }
+     * });
+     * ```
+     *
+     * If the file previously was shorter than `len` bytes, it is extended, and the
+     * extended part is filled with null bytes (`'\0'`):
+     *
+     * If `len` is negative then `0` will be used.
+     * @since v0.8.6
+     * @param [len=0]
+     */
+    export function ftruncate(fd: number, len: number | undefined | null, callback: NoParamCallback): void;
+    /**
+     * Asynchronous ftruncate(2) - Truncate a file to a specified length.
+     * @param fd A file descriptor.
+     */
+    export function ftruncate(fd: number, callback: NoParamCallback): void;
+    export namespace ftruncate {
+        /**
+         * Asynchronous ftruncate(2) - Truncate a file to a specified length.
+         * @param fd A file descriptor.
+         * @param len If not specified, defaults to `0`.
+         */
+        function __promisify__(fd: number, len?: number | null): Promise<void>;
+    }
+    /**
+     * Truncates the file descriptor. Returns `undefined`.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link ftruncate}.
+     * @since v0.8.6
+     * @param [len=0]
+     */
+    export function ftruncateSync(fd: number, len?: number | null): void;
+    /**
+     * Asynchronously changes owner and group of a file. No arguments other than a
+     * possible exception are given to the completion callback.
+     *
+     * See the POSIX [`chown(2)`](http://man7.org/linux/man-pages/man2/chown.2.html) documentation for more detail.
+     * @since v0.1.97
+     */
+    export function chown(path: PathLike, uid: number, gid: number, callback: NoParamCallback): void;
+    export namespace chown {
+        /**
+         * Asynchronous chown(2) - Change ownership of a file.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(path: PathLike, uid: number, gid: number): Promise<void>;
+    }
+    /**
+     * Synchronously changes owner and group of a file. Returns `undefined`.
+     * This is the synchronous version of {@link chown}.
+     *
+     * See the POSIX [`chown(2)`](http://man7.org/linux/man-pages/man2/chown.2.html) documentation for more detail.
+     * @since v0.1.97
+     */
+    export function chownSync(path: PathLike, uid: number, gid: number): void;
+    /**
+     * Sets the owner of the file. No arguments other than a possible exception are
+     * given to the completion callback.
+     *
+     * See the POSIX [`fchown(2)`](http://man7.org/linux/man-pages/man2/fchown.2.html) documentation for more detail.
+     * @since v0.4.7
+     */
+    export function fchown(fd: number, uid: number, gid: number, callback: NoParamCallback): void;
+    export namespace fchown {
+        /**
+         * Asynchronous fchown(2) - Change ownership of a file.
+         * @param fd A file descriptor.
+         */
+        function __promisify__(fd: number, uid: number, gid: number): Promise<void>;
+    }
+    /**
+     * Sets the owner of the file. Returns `undefined`.
+     *
+     * See the POSIX [`fchown(2)`](http://man7.org/linux/man-pages/man2/fchown.2.html) documentation for more detail.
+     * @since v0.4.7
+     * @param uid The file's new owner's user id.
+     * @param gid The file's new group's group id.
+     */
+    export function fchownSync(fd: number, uid: number, gid: number): void;
+    /**
+     * Set the owner of the symbolic link. No arguments other than a possible
+     * exception are given to the completion callback.
+     *
+     * See the POSIX [`lchown(2)`](http://man7.org/linux/man-pages/man2/lchown.2.html) documentation for more detail.
+     */
+    export function lchown(path: PathLike, uid: number, gid: number, callback: NoParamCallback): void;
+    export namespace lchown {
+        /**
+         * Asynchronous lchown(2) - Change ownership of a file. Does not dereference symbolic links.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(path: PathLike, uid: number, gid: number): Promise<void>;
+    }
+    /**
+     * Set the owner for the path. Returns `undefined`.
+     *
+     * See the POSIX [`lchown(2)`](http://man7.org/linux/man-pages/man2/lchown.2.html) documentation for more details.
+     * @param uid The file's new owner's user id.
+     * @param gid The file's new group's group id.
+     */
+    export function lchownSync(path: PathLike, uid: number, gid: number): void;
+    /**
+     * Changes the access and modification times of a file in the same way as {@link utimes}, with the difference that if the path refers to a symbolic
+     * link, then the link is not dereferenced: instead, the timestamps of the
+     * symbolic link itself are changed.
+     *
+     * No arguments other than a possible exception are given to the completion
+     * callback.
+     * @since v14.5.0, v12.19.0
+     */
+    export function lutimes(path: PathLike, atime: TimeLike, mtime: TimeLike, callback: NoParamCallback): void;
+    export namespace lutimes {
+        /**
+         * Changes the access and modification times of a file in the same way as `fsPromises.utimes()`,
+         * with the difference that if the path refers to a symbolic link, then the link is not
+         * dereferenced: instead, the timestamps of the symbolic link itself are changed.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param atime The last access time. If a string is provided, it will be coerced to number.
+         * @param mtime The last modified time. If a string is provided, it will be coerced to number.
+         */
+        function __promisify__(path: PathLike, atime: TimeLike, mtime: TimeLike): Promise<void>;
+    }
+    /**
+     * Change the file system timestamps of the symbolic link referenced by `path`.
+     * Returns `undefined`, or throws an exception when parameters are incorrect or
+     * the operation fails. This is the synchronous version of {@link lutimes}.
+     * @since v14.5.0, v12.19.0
+     */
+    export function lutimesSync(path: PathLike, atime: TimeLike, mtime: TimeLike): void;
+    /**
+     * Asynchronously changes the permissions of a file. No arguments other than a
+     * possible exception are given to the completion callback.
+     *
+     * See the POSIX [`chmod(2)`](http://man7.org/linux/man-pages/man2/chmod.2.html) documentation for more detail.
+     *
+     * ```js
+     * import { chmod } from 'fs';
+     *
+     * chmod('my_file.txt', 0o775, (err) => {
+     *   if (err) throw err;
+     *   console.log('The permissions for file "my_file.txt" have been changed!');
+     * });
+     * ```
+     * @since v0.1.30
+     */
+    export function chmod(path: PathLike, mode: Mode, callback: NoParamCallback): void;
+    export namespace chmod {
+        /**
+         * Asynchronous chmod(2) - Change permissions of a file.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param mode A file mode. If a string is passed, it is parsed as an octal integer.
+         */
+        function __promisify__(path: PathLike, mode: Mode): Promise<void>;
+    }
+    /**
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link chmod}.
+     *
+     * See the POSIX [`chmod(2)`](http://man7.org/linux/man-pages/man2/chmod.2.html) documentation for more detail.
+     * @since v0.6.7
+     */
+    export function chmodSync(path: PathLike, mode: Mode): void;
+    /**
+     * Sets the permissions on the file. No arguments other than a possible exception
+     * are given to the completion callback.
+     *
+     * See the POSIX [`fchmod(2)`](http://man7.org/linux/man-pages/man2/fchmod.2.html) documentation for more detail.
+     * @since v0.4.7
+     */
+    export function fchmod(fd: number, mode: Mode, callback: NoParamCallback): void;
+    export namespace fchmod {
+        /**
+         * Asynchronous fchmod(2) - Change permissions of a file.
+         * @param fd A file descriptor.
+         * @param mode A file mode. If a string is passed, it is parsed as an octal integer.
+         */
+        function __promisify__(fd: number, mode: Mode): Promise<void>;
+    }
+    /**
+     * Sets the permissions on the file. Returns `undefined`.
+     *
+     * See the POSIX [`fchmod(2)`](http://man7.org/linux/man-pages/man2/fchmod.2.html) documentation for more detail.
+     * @since v0.4.7
+     */
+    export function fchmodSync(fd: number, mode: Mode): void;
+    /**
+     * Changes the permissions on a symbolic link. No arguments other than a possible
+     * exception are given to the completion callback.
+     *
+     * This method is only implemented on macOS.
+     *
+     * See the POSIX [`lchmod(2)`](https://www.freebsd.org/cgi/man.cgi?query=lchmod&sektion=2) documentation for more detail.
+     * @deprecated Since v0.4.7
+     */
+    export function lchmod(path: PathLike, mode: Mode, callback: NoParamCallback): void;
+    /** @deprecated */
+    export namespace lchmod {
+        /**
+         * Asynchronous lchmod(2) - Change permissions of a file. Does not dereference symbolic links.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param mode A file mode. If a string is passed, it is parsed as an octal integer.
+         */
+        function __promisify__(path: PathLike, mode: Mode): Promise<void>;
+    }
+    /**
+     * Changes the permissions on a symbolic link. Returns `undefined`.
+     *
+     * This method is only implemented on macOS.
+     *
+     * See the POSIX [`lchmod(2)`](https://www.freebsd.org/cgi/man.cgi?query=lchmod&sektion=2) documentation for more detail.
+     * @deprecated Since v0.4.7
+     */
+    export function lchmodSync(path: PathLike, mode: Mode): void;
+    /**
+     * Asynchronous [`stat(2)`](http://man7.org/linux/man-pages/man2/stat.2.html). The callback gets two arguments `(err, stats)` where`stats` is an `fs.Stats` object.
+     *
+     * In case of an error, the `err.code` will be one of `Common System Errors`.
+     *
+     * Using `fs.stat()` to check for the existence of a file before calling`fs.open()`, `fs.readFile()` or `fs.writeFile()` is not recommended.
+     * Instead, user code should open/read/write the file directly and handle the
+     * error raised if the file is not available.
+     *
+     * To check if a file exists without manipulating it afterwards, {@link access} is recommended.
+     *
+     * For example, given the following directory structure:
+     *
+     * ```text
+     * - txtDir
+     * -- file.txt
+     * - app.js
+     * ```
+     *
+     * The next program will check for the stats of the given paths:
+     *
+     * ```js
+     * import { stat } from 'fs';
+     *
+     * const pathsToCheck = ['./txtDir', './txtDir/file.txt'];
+     *
+     * for (let i = 0; i < pathsToCheck.length; i++) {
+     *   stat(pathsToCheck[i], (err, stats) => {
+     *     console.log(stats.isDirectory());
+     *     console.log(stats);
+     *   });
+     * }
+     * ```
+     *
+     * The resulting output will resemble:
+     *
+     * ```console
+     * true
+     * Stats {
+     *   dev: 16777220,
+     *   mode: 16877,
+     *   nlink: 3,
+     *   uid: 501,
+     *   gid: 20,
+     *   rdev: 0,
+     *   blksize: 4096,
+     *   ino: 14214262,
+     *   size: 96,
+     *   blocks: 0,
+     *   atimeMs: 1561174653071.963,
+     *   mtimeMs: 1561174614583.3518,
+     *   ctimeMs: 1561174626623.5366,
+     *   birthtimeMs: 1561174126937.2893,
+     *   atime: 2019-06-22T03:37:33.072Z,
+     *   mtime: 2019-06-22T03:36:54.583Z,
+     *   ctime: 2019-06-22T03:37:06.624Z,
+     *   birthtime: 2019-06-22T03:28:46.937Z
+     * }
+     * false
+     * Stats {
+     *   dev: 16777220,
+     *   mode: 33188,
+     *   nlink: 1,
+     *   uid: 501,
+     *   gid: 20,
+     *   rdev: 0,
+     *   blksize: 4096,
+     *   ino: 14214074,
+     *   size: 8,
+     *   blocks: 8,
+     *   atimeMs: 1561174616618.8555,
+     *   mtimeMs: 1561174614584,
+     *   ctimeMs: 1561174614583.8145,
+     *   birthtimeMs: 1561174007710.7478,
+     *   atime: 2019-06-22T03:36:56.619Z,
+     *   mtime: 2019-06-22T03:36:54.584Z,
+     *   ctime: 2019-06-22T03:36:54.584Z,
+     *   birthtime: 2019-06-22T03:26:47.711Z
+     * }
+     * ```
+     * @since v0.0.2
+     */
+    export function stat(path: PathLike, callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void): void;
+    export function stat(
+        path: PathLike,
+        options:
+            | (StatOptions & {
+                  bigint?: false | undefined;
+              })
+            | undefined,
+        callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void
+    ): void;
+    export function stat(
+        path: PathLike,
+        options: StatOptions & {
+            bigint: true;
+        },
+        callback: (err: NodeJS.ErrnoException | null, stats: BigIntStats) => void
+    ): void;
+    export function stat(path: PathLike, options: StatOptions | undefined, callback: (err: NodeJS.ErrnoException | null, stats: Stats | BigIntStats) => void): void;
+    export namespace stat {
+        /**
+         * Asynchronous stat(2) - Get file status.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(
+            path: PathLike,
+            options?: StatOptions & {
+                bigint?: false | undefined;
+            }
+        ): Promise<Stats>;
+        function __promisify__(
+            path: PathLike,
+            options: StatOptions & {
+                bigint: true;
+            }
+        ): Promise<BigIntStats>;
+        function __promisify__(path: PathLike, options?: StatOptions): Promise<Stats | BigIntStats>;
+    }
+    export interface StatSyncFn extends Function {
+        (path: PathLike, options?: undefined): Stats;
+        (
+            path: PathLike,
+            options?: StatSyncOptions & {
+                bigint?: false | undefined;
+                throwIfNoEntry: false;
+            }
+        ): Stats | undefined;
+        (
+            path: PathLike,
+            options: StatSyncOptions & {
+                bigint: true;
+                throwIfNoEntry: false;
+            }
+        ): BigIntStats | undefined;
+        (
+            path: PathLike,
+            options?: StatSyncOptions & {
+                bigint?: false | undefined;
+            }
+        ): Stats;
+        (
+            path: PathLike,
+            options: StatSyncOptions & {
+                bigint: true;
+            }
+        ): BigIntStats;
+        (
+            path: PathLike,
+            options: StatSyncOptions & {
+                bigint: boolean;
+                throwIfNoEntry?: false | undefined;
+            }
+        ): Stats | BigIntStats;
+        (path: PathLike, options?: StatSyncOptions): Stats | BigIntStats | undefined;
+    }
+    /**
+     * Synchronous stat(2) - Get file status.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export const statSync: StatSyncFn;
+    /**
+     * Invokes the callback with the `fs.Stats` for the file descriptor.
+     *
+     * See the POSIX [`fstat(2)`](http://man7.org/linux/man-pages/man2/fstat.2.html) documentation for more detail.
+     * @since v0.1.95
+     */
+    export function fstat(fd: number, callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void): void;
+    export function fstat(
+        fd: number,
+        options:
+            | (StatOptions & {
+                  bigint?: false | undefined;
+              })
+            | undefined,
+        callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void
+    ): void;
+    export function fstat(
+        fd: number,
+        options: StatOptions & {
+            bigint: true;
+        },
+        callback: (err: NodeJS.ErrnoException | null, stats: BigIntStats) => void
+    ): void;
+    export function fstat(fd: number, options: StatOptions | undefined, callback: (err: NodeJS.ErrnoException | null, stats: Stats | BigIntStats) => void): void;
+    export namespace fstat {
+        /**
+         * Asynchronous fstat(2) - Get file status.
+         * @param fd A file descriptor.
+         */
+        function __promisify__(
+            fd: number,
+            options?: StatOptions & {
+                bigint?: false | undefined;
+            }
+        ): Promise<Stats>;
+        function __promisify__(
+            fd: number,
+            options: StatOptions & {
+                bigint: true;
+            }
+        ): Promise<BigIntStats>;
+        function __promisify__(fd: number, options?: StatOptions): Promise<Stats | BigIntStats>;
+    }
+    /**
+     * Retrieves the `fs.Stats` for the file descriptor.
+     *
+     * See the POSIX [`fstat(2)`](http://man7.org/linux/man-pages/man2/fstat.2.html) documentation for more detail.
+     * @since v0.1.95
+     */
+    export function fstatSync(
+        fd: number,
+        options?: StatOptions & {
+            bigint?: false | undefined;
+        }
+    ): Stats;
+    export function fstatSync(
+        fd: number,
+        options: StatOptions & {
+            bigint: true;
+        }
+    ): BigIntStats;
+    export function fstatSync(fd: number, options?: StatOptions): Stats | BigIntStats;
+    /**
+     * Retrieves the `fs.Stats` for the symbolic link referred to by the path.
+     * The callback gets two arguments `(err, stats)` where `stats` is a `fs.Stats` object. `lstat()` is identical to `stat()`, except that if `path` is a symbolic
+     * link, then the link itself is stat-ed, not the file that it refers to.
+     *
+     * See the POSIX [`lstat(2)`](http://man7.org/linux/man-pages/man2/lstat.2.html) documentation for more details.
+     * @since v0.1.30
+     */
+    export function lstat(path: PathLike, callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void): void;
+    export function lstat(
+        path: PathLike,
+        options:
+            | (StatOptions & {
+                  bigint?: false | undefined;
+              })
+            | undefined,
+        callback: (err: NodeJS.ErrnoException | null, stats: Stats) => void
+    ): void;
+    export function lstat(
+        path: PathLike,
+        options: StatOptions & {
+            bigint: true;
+        },
+        callback: (err: NodeJS.ErrnoException | null, stats: BigIntStats) => void
+    ): void;
+    export function lstat(path: PathLike, options: StatOptions | undefined, callback: (err: NodeJS.ErrnoException | null, stats: Stats | BigIntStats) => void): void;
+    export namespace lstat {
+        /**
+         * Asynchronous lstat(2) - Get file status. Does not dereference symbolic links.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(
+            path: PathLike,
+            options?: StatOptions & {
+                bigint?: false | undefined;
+            }
+        ): Promise<Stats>;
+        function __promisify__(
+            path: PathLike,
+            options: StatOptions & {
+                bigint: true;
+            }
+        ): Promise<BigIntStats>;
+        function __promisify__(path: PathLike, options?: StatOptions): Promise<Stats | BigIntStats>;
+    }
+    /**
+     * Synchronous lstat(2) - Get file status. Does not dereference symbolic links.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export const lstatSync: StatSyncFn;
+    /**
+     * Creates a new link from the `existingPath` to the `newPath`. See the POSIX [`link(2)`](http://man7.org/linux/man-pages/man2/link.2.html) documentation for more detail. No arguments other than
+     * a possible
+     * exception are given to the completion callback.
+     * @since v0.1.31
+     */
+    export function link(existingPath: PathLike, newPath: PathLike, callback: NoParamCallback): void;
+    export namespace link {
+        /**
+         * Asynchronous link(2) - Create a new link (also known as a hard link) to an existing file.
+         * @param existingPath A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param newPath A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(existingPath: PathLike, newPath: PathLike): Promise<void>;
+    }
+    /**
+     * Creates a new link from the `existingPath` to the `newPath`. See the POSIX [`link(2)`](http://man7.org/linux/man-pages/man2/link.2.html) documentation for more detail. Returns `undefined`.
+     * @since v0.1.31
+     */
+    export function linkSync(existingPath: PathLike, newPath: PathLike): void;
+    /**
+     * Creates the link called `path` pointing to `target`. No arguments other than a
+     * possible exception are given to the completion callback.
+     *
+     * See the POSIX [`symlink(2)`](http://man7.org/linux/man-pages/man2/symlink.2.html) documentation for more details.
+     *
+     * The `type` argument is only available on Windows and ignored on other platforms.
+     * It can be set to `'dir'`, `'file'`, or `'junction'`. If the `type` argument is
+     * not set, Node.js will autodetect `target` type and use `'file'` or `'dir'`. If
+     * the `target` does not exist, `'file'` will be used. Windows junction points
+     * require the destination path to be absolute. When using `'junction'`, the`target` argument will automatically be normalized to absolute path.
+     *
+     * Relative targets are relative to the link’s parent directory.
+     *
+     * ```js
+     * import { symlink } from 'fs';
+     *
+     * symlink('./mew', './mewtwo', callback);
+     * ```
+     *
+     * The above example creates a symbolic link `mewtwo` which points to `mew` in the
+     * same directory:
+     *
+     * ```bash
+     * $ tree .
+     * .
+     * ├── mew
+     * └── mewtwo -> ./mew
+     * ```
+     * @since v0.1.31
+     */
+    export function symlink(target: PathLike, path: PathLike, type: symlink.Type | undefined | null, callback: NoParamCallback): void;
+    /**
+     * Asynchronous symlink(2) - Create a new symbolic link to an existing file.
+     * @param target A path to an existing file. If a URL is provided, it must use the `file:` protocol.
+     * @param path A path to the new symlink. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function symlink(target: PathLike, path: PathLike, callback: NoParamCallback): void;
+    export namespace symlink {
+        /**
+         * Asynchronous symlink(2) - Create a new symbolic link to an existing file.
+         * @param target A path to an existing file. If a URL is provided, it must use the `file:` protocol.
+         * @param path A path to the new symlink. If a URL is provided, it must use the `file:` protocol.
+         * @param type May be set to `'dir'`, `'file'`, or `'junction'` (default is `'file'`) and is only available on Windows (ignored on other platforms).
+         * When using `'junction'`, the `target` argument will automatically be normalized to an absolute path.
+         */
+        function __promisify__(target: PathLike, path: PathLike, type?: string | null): Promise<void>;
+        type Type = 'dir' | 'file' | 'junction';
+    }
+    /**
+     * Returns `undefined`.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link symlink}.
+     * @since v0.1.31
+     */
+    export function symlinkSync(target: PathLike, path: PathLike, type?: symlink.Type | null): void;
+    /**
+     * Reads the contents of the symbolic link referred to by `path`. The callback gets
+     * two arguments `(err, linkString)`.
+     *
+     * See the POSIX [`readlink(2)`](http://man7.org/linux/man-pages/man2/readlink.2.html) documentation for more details.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the link path passed to the callback. If the `encoding` is set to `'buffer'`,
+     * the link path returned will be passed as a `Buffer` object.
+     * @since v0.1.31
+     */
+    export function readlink(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, linkString: string) => void): void;
+    /**
+     * Asynchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readlink(path: PathLike, options: BufferEncodingOption, callback: (err: NodeJS.ErrnoException | null, linkString: Buffer) => void): void;
+    /**
+     * Asynchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readlink(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, linkString: string | Buffer) => void): void;
+    /**
+     * Asynchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function readlink(path: PathLike, callback: (err: NodeJS.ErrnoException | null, linkString: string) => void): void;
+    export namespace readlink {
+        /**
+         * Asynchronous readlink(2) - read value of a symbolic link.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(path: PathLike, options?: EncodingOption): Promise<string>;
+        /**
+         * Asynchronous readlink(2) - read value of a symbolic link.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(path: PathLike, options: BufferEncodingOption): Promise<Buffer>;
+        /**
+         * Asynchronous readlink(2) - read value of a symbolic link.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(path: PathLike, options?: EncodingOption): Promise<string | Buffer>;
+    }
+    /**
+     * Returns the symbolic link's string value.
+     *
+     * See the POSIX [`readlink(2)`](http://man7.org/linux/man-pages/man2/readlink.2.html) documentation for more details.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the link path returned. If the `encoding` is set to `'buffer'`,
+     * the link path returned will be passed as a `Buffer` object.
+     * @since v0.1.31
+     */
+    export function readlinkSync(path: PathLike, options?: EncodingOption): string;
+    /**
+     * Synchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readlinkSync(path: PathLike, options: BufferEncodingOption): Buffer;
+    /**
+     * Synchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readlinkSync(path: PathLike, options?: EncodingOption): string | Buffer;
+    /**
+     * Asynchronously computes the canonical pathname by resolving `.`, `..` and
+     * symbolic links.
+     *
+     * A canonical pathname is not necessarily unique. Hard links and bind mounts can
+     * expose a file system entity through many pathnames.
+     *
+     * This function behaves like [`realpath(3)`](http://man7.org/linux/man-pages/man3/realpath.3.html), with some exceptions:
+     *
+     * 1. No case conversion is performed on case-insensitive file systems.
+     * 2. The maximum number of symbolic links is platform-independent and generally
+     * (much) higher than what the native [`realpath(3)`](http://man7.org/linux/man-pages/man3/realpath.3.html) implementation supports.
+     *
+     * The `callback` gets two arguments `(err, resolvedPath)`. May use `process.cwd`to resolve relative paths.
+     *
+     * Only paths that can be converted to UTF8 strings are supported.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the path passed to the callback. If the `encoding` is set to `'buffer'`,
+     * the path returned will be passed as a `Buffer` object.
+     *
+     * If `path` resolves to a socket or a pipe, the function will return a system
+     * dependent name for that object.
+     * @since v0.1.31
+     */
+    export function realpath(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string) => void): void;
+    /**
+     * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function realpath(path: PathLike, options: BufferEncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: Buffer) => void): void;
+    /**
+     * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function realpath(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string | Buffer) => void): void;
+    /**
+     * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function realpath(path: PathLike, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string) => void): void;
+    export namespace realpath {
+        /**
+         * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(path: PathLike, options?: EncodingOption): Promise<string>;
+        /**
+         * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(path: PathLike, options: BufferEncodingOption): Promise<Buffer>;
+        /**
+         * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(path: PathLike, options?: EncodingOption): Promise<string | Buffer>;
+        /**
+         * Asynchronous [`realpath(3)`](http://man7.org/linux/man-pages/man3/realpath.3.html).
+         *
+         * The `callback` gets two arguments `(err, resolvedPath)`.
+         *
+         * Only paths that can be converted to UTF8 strings are supported.
+         *
+         * The optional `options` argument can be a string specifying an encoding, or an
+         * object with an `encoding` property specifying the character encoding to use for
+         * the path passed to the callback. If the `encoding` is set to `'buffer'`,
+         * the path returned will be passed as a `Buffer` object.
+         *
+         * On Linux, when Node.js is linked against musl libc, the procfs file system must
+         * be mounted on `/proc` in order for this function to work. Glibc does not have
+         * this restriction.
+         * @since v9.2.0
+         */
+        function native(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string) => void): void;
+        function native(path: PathLike, options: BufferEncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: Buffer) => void): void;
+        function native(path: PathLike, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string | Buffer) => void): void;
+        function native(path: PathLike, callback: (err: NodeJS.ErrnoException | null, resolvedPath: string) => void): void;
+    }
+    /**
+     * Returns the resolved pathname.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link realpath}.
+     * @since v0.1.31
+     */
+    export function realpathSync(path: PathLike, options?: EncodingOption): string;
+    /**
+     * Synchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function realpathSync(path: PathLike, options: BufferEncodingOption): Buffer;
+    /**
+     * Synchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function realpathSync(path: PathLike, options?: EncodingOption): string | Buffer;
+    export namespace realpathSync {
+        function native(path: PathLike, options?: EncodingOption): string;
+        function native(path: PathLike, options: BufferEncodingOption): Buffer;
+        function native(path: PathLike, options?: EncodingOption): string | Buffer;
+    }
+    /**
+     * Asynchronously removes a file or symbolic link. No arguments other than a
+     * possible exception are given to the completion callback.
+     *
+     * ```js
+     * import { unlink } from 'fs';
+     * // Assuming that 'path/file.txt' is a regular file.
+     * unlink('path/file.txt', (err) => {
+     *   if (err) throw err;
+     *   console.log('path/file.txt was deleted');
+     * });
+     * ```
+     *
+     * `fs.unlink()` will not work on a directory, empty or otherwise. To remove a
+     * directory, use {@link rmdir}.
+     *
+     * See the POSIX [`unlink(2)`](http://man7.org/linux/man-pages/man2/unlink.2.html) documentation for more details.
+     * @since v0.0.2
+     */
+    export function unlink(path: PathLike, callback: NoParamCallback): void;
+    export namespace unlink {
+        /**
+         * Asynchronous unlink(2) - delete a name and possibly the file it refers to.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(path: PathLike): Promise<void>;
+    }
+    /**
+     * Synchronous [`unlink(2)`](http://man7.org/linux/man-pages/man2/unlink.2.html). Returns `undefined`.
+     * @since v0.1.21
+     */
+    export function unlinkSync(path: PathLike): void;
+    export interface RmDirOptions {
+        /**
+         * If an `EBUSY`, `EMFILE`, `ENFILE`, `ENOTEMPTY`, or
+         * `EPERM` error is encountered, Node.js will retry the operation with a linear
+         * backoff wait of `retryDelay` ms longer on each try. This option represents the
+         * number of retries. This option is ignored if the `recursive` option is not
+         * `true`.
+         * @default 0
+         */
+        maxRetries?: number | undefined;
+        /**
+         * @deprecated since v14.14.0 In future versions of Node.js and will trigger a warning
+         * `fs.rmdir(path, { recursive: true })` will throw if `path` does not exist or is a file.
+         * Use `fs.rm(path, { recursive: true, force: true })` instead.
+         *
+         * If `true`, perform a recursive directory removal. In
+         * recursive mode, operations are retried on failure.
+         * @default false
+         */
+        recursive?: boolean | undefined;
+        /**
+         * The amount of time in milliseconds to wait between retries.
+         * This option is ignored if the `recursive` option is not `true`.
+         * @default 100
+         */
+        retryDelay?: number | undefined;
+    }
+    /**
+     * Asynchronous [`rmdir(2)`](http://man7.org/linux/man-pages/man2/rmdir.2.html). No arguments other than a possible exception are given
+     * to the completion callback.
+     *
+     * Using `fs.rmdir()` on a file (not a directory) results in an `ENOENT` error on
+     * Windows and an `ENOTDIR` error on POSIX.
+     *
+     * To get a behavior similar to the `rm -rf` Unix command, use {@link rm} with options `{ recursive: true, force: true }`.
+     * @since v0.0.2
+     */
+    export function rmdir(path: PathLike, callback: NoParamCallback): void;
+    export function rmdir(path: PathLike, options: RmDirOptions, callback: NoParamCallback): void;
+    export namespace rmdir {
+        /**
+         * Asynchronous rmdir(2) - delete a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         */
+        function __promisify__(path: PathLike, options?: RmDirOptions): Promise<void>;
+    }
+    /**
+     * Synchronous [`rmdir(2)`](http://man7.org/linux/man-pages/man2/rmdir.2.html). Returns `undefined`.
+     *
+     * Using `fs.rmdirSync()` on a file (not a directory) results in an `ENOENT` error
+     * on Windows and an `ENOTDIR` error on POSIX.
+     *
+     * To get a behavior similar to the `rm -rf` Unix command, use {@link rmSync} with options `{ recursive: true, force: true }`.
+     * @since v0.1.21
+     */
+    export function rmdirSync(path: PathLike, options?: RmDirOptions): void;
+    export interface RmOptions {
+        /**
+         * When `true`, exceptions will be ignored if `path` does not exist.
+         * @default false
+         */
+        force?: boolean | undefined;
+        /**
+         * If an `EBUSY`, `EMFILE`, `ENFILE`, `ENOTEMPTY`, or
+         * `EPERM` error is encountered, Node.js will retry the operation with a linear
+         * backoff wait of `retryDelay` ms longer on each try. This option represents the
+         * number of retries. This option is ignored if the `recursive` option is not
+         * `true`.
+         * @default 0
+         */
+        maxRetries?: number | undefined;
+        /**
+         * If `true`, perform a recursive directory removal. In
+         * recursive mode, operations are retried on failure.
+         * @default false
+         */
+        recursive?: boolean | undefined;
+        /**
+         * The amount of time in milliseconds to wait between retries.
+         * This option is ignored if the `recursive` option is not `true`.
+         * @default 100
+         */
+        retryDelay?: number | undefined;
+    }
+    /**
+     * Asynchronously removes files and directories (modeled on the standard POSIX `rm`utility). No arguments other than a possible exception are given to the
+     * completion callback.
+     * @since v14.14.0
+     */
+    export function rm(path: PathLike, callback: NoParamCallback): void;
+    export function rm(path: PathLike, options: RmOptions, callback: NoParamCallback): void;
+    export namespace rm {
+        /**
+         * Asynchronously removes files and directories (modeled on the standard POSIX `rm` utility).
+         */
+        function __promisify__(path: PathLike, options?: RmOptions): Promise<void>;
+    }
+    /**
+     * Synchronously removes files and directories (modeled on the standard POSIX `rm`utility). Returns `undefined`.
+     * @since v14.14.0
+     */
+    export function rmSync(path: PathLike, options?: RmOptions): void;
+    export interface MakeDirectoryOptions {
+        /**
+         * Indicates whether parent folders should be created.
+         * If a folder was created, the path to the first created folder will be returned.
+         * @default false
+         */
+        recursive?: boolean | undefined;
+        /**
+         * A file mode. If a string is passed, it is parsed as an octal integer. If not specified
+         * @default 0o777
+         */
+        mode?: Mode | undefined;
+    }
+    /**
+     * Asynchronously creates a directory.
+     *
+     * The callback is given a possible exception and, if `recursive` is `true`, the
+     * first directory path created, `(err[, path])`.`path` can still be `undefined` when `recursive` is `true`, if no directory was
+     * created.
+     *
+     * The optional `options` argument can be an integer specifying `mode` (permission
+     * and sticky bits), or an object with a `mode` property and a `recursive`property indicating whether parent directories should be created. Calling`fs.mkdir()` when `path` is a directory that
+     * exists results in an error only
+     * when `recursive` is false.
+     *
+     * ```js
+     * import { mkdir } from 'fs';
+     *
+     * // Creates /tmp/a/apple, regardless of whether `/tmp` and /tmp/a exist.
+     * mkdir('/tmp/a/apple', { recursive: true }, (err) => {
+     *   if (err) throw err;
+     * });
+     * ```
+     *
+     * On Windows, using `fs.mkdir()` on the root directory even with recursion will
+     * result in an error:
+     *
+     * ```js
+     * import { mkdir } from 'fs';
+     *
+     * mkdir('/', { recursive: true }, (err) => {
+     *   // => [Error: EPERM: operation not permitted, mkdir 'C:\']
+     * });
+     * ```
+     *
+     * See the POSIX [`mkdir(2)`](http://man7.org/linux/man-pages/man2/mkdir.2.html) documentation for more details.
+     * @since v0.1.8
+     */
+    export function mkdir(
+        path: PathLike,
+        options: MakeDirectoryOptions & {
+            recursive: true;
+        },
+        callback: (err: NodeJS.ErrnoException | null, path?: string) => void
+    ): void;
+    /**
+     * Asynchronous mkdir(2) - create a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+     * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+     */
+    export function mkdir(
+        path: PathLike,
+        options:
+            | Mode
+            | (MakeDirectoryOptions & {
+                  recursive?: false | undefined;
+              })
+            | null
+            | undefined,
+        callback: NoParamCallback
+    ): void;
+    /**
+     * Asynchronous mkdir(2) - create a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+     * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+     */
+    export function mkdir(path: PathLike, options: Mode | MakeDirectoryOptions | null | undefined, callback: (err: NodeJS.ErrnoException | null, path?: string) => void): void;
+    /**
+     * Asynchronous mkdir(2) - create a directory with a mode of `0o777`.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function mkdir(path: PathLike, callback: NoParamCallback): void;
+    export namespace mkdir {
+        /**
+         * Asynchronous mkdir(2) - create a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+         * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+         */
+        function __promisify__(
+            path: PathLike,
+            options: MakeDirectoryOptions & {
+                recursive: true;
+            }
+        ): Promise<string | undefined>;
+        /**
+         * Asynchronous mkdir(2) - create a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+         * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+         */
+        function __promisify__(
+            path: PathLike,
+            options?:
+                | Mode
+                | (MakeDirectoryOptions & {
+                      recursive?: false | undefined;
+                  })
+                | null
+        ): Promise<void>;
+        /**
+         * Asynchronous mkdir(2) - create a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+         * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+         */
+        function __promisify__(path: PathLike, options?: Mode | MakeDirectoryOptions | null): Promise<string | undefined>;
+    }
+    /**
+     * Synchronously creates a directory. Returns `undefined`, or if `recursive` is`true`, the first directory path created.
+     * This is the synchronous version of {@link mkdir}.
+     *
+     * See the POSIX [`mkdir(2)`](http://man7.org/linux/man-pages/man2/mkdir.2.html) documentation for more details.
+     * @since v0.1.21
+     */
+    export function mkdirSync(
+        path: PathLike,
+        options: MakeDirectoryOptions & {
+            recursive: true;
+        }
+    ): string | undefined;
+    /**
+     * Synchronous mkdir(2) - create a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+     * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+     */
+    export function mkdirSync(
+        path: PathLike,
+        options?:
+            | Mode
+            | (MakeDirectoryOptions & {
+                  recursive?: false | undefined;
+              })
+            | null
+    ): void;
+    /**
+     * Synchronous mkdir(2) - create a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+     * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+     */
+    export function mkdirSync(path: PathLike, options?: Mode | MakeDirectoryOptions | null): string | undefined;
+    /**
+     * Creates a unique temporary directory.
+     *
+     * Generates six random characters to be appended behind a required`prefix` to create a unique temporary directory. Due to platform
+     * inconsistencies, avoid trailing `X` characters in `prefix`. Some platforms,
+     * notably the BSDs, can return more than six random characters, and replace
+     * trailing `X` characters in `prefix` with random characters.
+     *
+     * The created directory path is passed as a string to the callback's second
+     * parameter.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use.
+     *
+     * ```js
+     * import { mkdtemp } from 'fs';
+     *
+     * mkdtemp(path.join(os.tmpdir(), 'foo-'), (err, directory) => {
+     *   if (err) throw err;
+     *   console.log(directory);
+     *   // Prints: /tmp/foo-itXde2 or C:\Users\...\AppData\Local\Temp\foo-itXde2
+     * });
+     * ```
+     *
+     * The `fs.mkdtemp()` method will append the six randomly selected characters
+     * directly to the `prefix` string. For instance, given a directory `/tmp`, if the
+     * intention is to create a temporary directory _within_`/tmp`, the `prefix`must end with a trailing platform-specific path separator
+     * (`require('path').sep`).
+     *
+     * ```js
+     * import { tmpdir } from 'os';
+     * import { mkdtemp } from 'fs';
+     *
+     * // The parent directory for the new temporary directory
+     * const tmpDir = tmpdir();
+     *
+     * // This method is *INCORRECT*:
+     * mkdtemp(tmpDir, (err, directory) => {
+     *   if (err) throw err;
+     *   console.log(directory);
+     *   // Will print something similar to `/tmpabc123`.
+     *   // A new temporary directory is created at the file system root
+     *   // rather than *within* the /tmp directory.
+     * });
+     *
+     * // This method is *CORRECT*:
+     * import { sep } from 'path';
+     * mkdtemp(`${tmpDir}${sep}`, (err, directory) => {
+     *   if (err) throw err;
+     *   console.log(directory);
+     *   // Will print something similar to `/tmp/abc123`.
+     *   // A new temporary directory is created within
+     *   // the /tmp directory.
+     * });
+     * ```
+     * @since v5.10.0
+     */
+    export function mkdtemp(prefix: string, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, folder: string) => void): void;
+    /**
+     * Asynchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function mkdtemp(
+        prefix: string,
+        options:
+            | 'buffer'
+            | {
+                  encoding: 'buffer';
+              },
+        callback: (err: NodeJS.ErrnoException | null, folder: Buffer) => void
+    ): void;
+    /**
+     * Asynchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function mkdtemp(prefix: string, options: EncodingOption, callback: (err: NodeJS.ErrnoException | null, folder: string | Buffer) => void): void;
+    /**
+     * Asynchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+     */
+    export function mkdtemp(prefix: string, callback: (err: NodeJS.ErrnoException | null, folder: string) => void): void;
+    export namespace mkdtemp {
+        /**
+         * Asynchronously creates a unique temporary directory.
+         * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(prefix: string, options?: EncodingOption): Promise<string>;
+        /**
+         * Asynchronously creates a unique temporary directory.
+         * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(prefix: string, options: BufferEncodingOption): Promise<Buffer>;
+        /**
+         * Asynchronously creates a unique temporary directory.
+         * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(prefix: string, options?: EncodingOption): Promise<string | Buffer>;
+    }
+    /**
+     * Returns the created directory path.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link mkdtemp}.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use.
+     * @since v5.10.0
+     */
+    export function mkdtempSync(prefix: string, options?: EncodingOption): string;
+    /**
+     * Synchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function mkdtempSync(prefix: string, options: BufferEncodingOption): Buffer;
+    /**
+     * Synchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required prefix to create a unique temporary directory.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function mkdtempSync(prefix: string, options?: EncodingOption): string | Buffer;
+    /**
+     * Reads the contents of a directory. The callback gets two arguments `(err, files)`where `files` is an array of the names of the files in the directory excluding`'.'` and `'..'`.
+     *
+     * See the POSIX [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) documentation for more details.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the filenames passed to the callback. If the `encoding` is set to `'buffer'`,
+     * the filenames returned will be passed as `Buffer` objects.
+     *
+     * If `options.withFileTypes` is set to `true`, the `files` array will contain `fs.Dirent` objects.
+     * @since v0.1.8
+     */
+    export function readdir(
+        path: PathLike,
+        options:
+            | {
+                  encoding: BufferEncoding | null;
+                  withFileTypes?: false | undefined;
+              }
+            | BufferEncoding
+            | undefined
+            | null,
+        callback: (err: NodeJS.ErrnoException | null, files: string[]) => void
+    ): void;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readdir(
+        path: PathLike,
+        options:
+            | {
+                  encoding: 'buffer';
+                  withFileTypes?: false | undefined;
+              }
+            | 'buffer',
+        callback: (err: NodeJS.ErrnoException | null, files: Buffer[]) => void
+    ): void;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readdir(
+        path: PathLike,
+        options:
+            | (ObjectEncodingOptions & {
+                  withFileTypes?: false | undefined;
+              })
+            | BufferEncoding
+            | undefined
+            | null,
+        callback: (err: NodeJS.ErrnoException | null, files: string[] | Buffer[]) => void
+    ): void;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function readdir(path: PathLike, callback: (err: NodeJS.ErrnoException | null, files: string[]) => void): void;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options If called with `withFileTypes: true` the result data will be an array of Dirent.
+     */
+    export function readdir(
+        path: PathLike,
+        options: ObjectEncodingOptions & {
+            withFileTypes: true;
+        },
+        callback: (err: NodeJS.ErrnoException | null, files: Dirent[]) => void
+    ): void;
+    export namespace readdir {
+        /**
+         * Asynchronous readdir(3) - read a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(
+            path: PathLike,
+            options?:
+                | {
+                      encoding: BufferEncoding | null;
+                      withFileTypes?: false | undefined;
+                  }
+                | BufferEncoding
+                | null
+        ): Promise<string[]>;
+        /**
+         * Asynchronous readdir(3) - read a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(
+            path: PathLike,
+            options:
+                | 'buffer'
+                | {
+                      encoding: 'buffer';
+                      withFileTypes?: false | undefined;
+                  }
+        ): Promise<Buffer[]>;
+        /**
+         * Asynchronous readdir(3) - read a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+         */
+        function __promisify__(
+            path: PathLike,
+            options?:
+                | (ObjectEncodingOptions & {
+                      withFileTypes?: false | undefined;
+                  })
+                | BufferEncoding
+                | null
+        ): Promise<string[] | Buffer[]>;
+        /**
+         * Asynchronous readdir(3) - read a directory.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param options If called with `withFileTypes: true` the result data will be an array of Dirent
+         */
+        function __promisify__(
+            path: PathLike,
+            options: ObjectEncodingOptions & {
+                withFileTypes: true;
+            }
+        ): Promise<Dirent[]>;
+    }
+    /**
+     * Reads the contents of the directory.
+     *
+     * See the POSIX [`readdir(3)`](http://man7.org/linux/man-pages/man3/readdir.3.html) documentation for more details.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the filenames returned. If the `encoding` is set to `'buffer'`,
+     * the filenames returned will be passed as `Buffer` objects.
+     *
+     * If `options.withFileTypes` is set to `true`, the result will contain `fs.Dirent` objects.
+     * @since v0.1.21
+     */
+    export function readdirSync(
+        path: PathLike,
+        options?:
+            | {
+                  encoding: BufferEncoding | null;
+                  withFileTypes?: false | undefined;
+              }
+            | BufferEncoding
+            | null
+    ): string[];
+    /**
+     * Synchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readdirSync(
+        path: PathLike,
+        options:
+            | {
+                  encoding: 'buffer';
+                  withFileTypes?: false | undefined;
+              }
+            | 'buffer'
+    ): Buffer[];
+    /**
+     * Synchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    export function readdirSync(
+        path: PathLike,
+        options?:
+            | (ObjectEncodingOptions & {
+                  withFileTypes?: false | undefined;
+              })
+            | BufferEncoding
+            | null
+    ): string[] | Buffer[];
+    /**
+     * Synchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options If called with `withFileTypes: true` the result data will be an array of Dirent.
+     */
+    export function readdirSync(
+        path: PathLike,
+        options: ObjectEncodingOptions & {
+            withFileTypes: true;
+        }
+    ): Dirent[];
+    /**
+     * Closes the file descriptor. No arguments other than a possible exception are
+     * given to the completion callback.
+     *
+     * Calling `fs.close()` on any file descriptor (`fd`) that is currently in use
+     * through any other `fs` operation may lead to undefined behavior.
+     *
+     * See the POSIX [`close(2)`](http://man7.org/linux/man-pages/man2/close.2.html) documentation for more detail.
+     * @since v0.0.2
+     */
+    export function close(fd: number, callback?: NoParamCallback): void;
+    export namespace close {
+        /**
+         * Asynchronous close(2) - close a file descriptor.
+         * @param fd A file descriptor.
+         */
+        function __promisify__(fd: number): Promise<void>;
+    }
+    /**
+     * Closes the file descriptor. Returns `undefined`.
+     *
+     * Calling `fs.closeSync()` on any file descriptor (`fd`) that is currently in use
+     * through any other `fs` operation may lead to undefined behavior.
+     *
+     * See the POSIX [`close(2)`](http://man7.org/linux/man-pages/man2/close.2.html) documentation for more detail.
+     * @since v0.1.21
+     */
+    export function closeSync(fd: number): void;
+    /**
+     * Asynchronous file open. See the POSIX [`open(2)`](http://man7.org/linux/man-pages/man2/open.2.html) documentation for more details.
+     *
+     * `mode` sets the file mode (permission and sticky bits), but only if the file was
+     * created. On Windows, only the write permission can be manipulated; see {@link chmod}.
+     *
+     * The callback gets two arguments `(err, fd)`.
+     *
+     * Some characters (`< > : " / \ | ? *`) are reserved under Windows as documented
+     * by [Naming Files, Paths, and Namespaces](https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file). Under NTFS, if the filename contains
+     * a colon, Node.js will open a file system stream, as described by [this MSDN page](https://docs.microsoft.com/en-us/windows/desktop/FileIO/using-streams).
+     *
+     * Functions based on `fs.open()` exhibit this behavior as well:`fs.writeFile()`, `fs.readFile()`, etc.
+     * @since v0.0.2
+     * @param [flags='r'] See `support of file system `flags``.
+     * @param [mode=0o666]
+     */
+    export function open(path: PathLike, flags: OpenMode | undefined, mode: Mode | undefined | null, callback: (err: NodeJS.ErrnoException | null, fd: number) => void): void;
+    /**
+     * Asynchronous open(2) - open and possibly create a file. If the file is created, its mode will be `0o666`.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param [flags='r'] See `support of file system `flags``.
+     */
+    export function open(path: PathLike, flags: OpenMode | undefined, callback: (err: NodeJS.ErrnoException | null, fd: number) => void): void;
+    /**
+     * Asynchronous open(2) - open and possibly create a file. If the file is created, its mode will be `0o666`.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function open(path: PathLike, callback: (err: NodeJS.ErrnoException | null, fd: number) => void): void;
+
+    export namespace open {
+        /**
+         * Asynchronous open(2) - open and possibly create a file.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param mode A file mode. If a string is passed, it is parsed as an octal integer. If not supplied, defaults to `0o666`.
+         */
+        function __promisify__(path: PathLike, flags: OpenMode, mode?: Mode | null): Promise<number>;
+    }
+    /**
+     * Returns an integer representing the file descriptor.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link open}.
+     * @since v0.1.21
+     * @param [flags='r']
+     * @param [mode=0o666]
+     */
+    export function openSync(path: PathLike, flags: OpenMode, mode?: Mode | null): number;
+    /**
+     * Change the file system timestamps of the object referenced by `path`.
+     *
+     * The `atime` and `mtime` arguments follow these rules:
+     *
+     * * Values can be either numbers representing Unix epoch time in seconds,`Date`s, or a numeric string like `'123456789.0'`.
+     * * If the value can not be converted to a number, or is `NaN`, `Infinity` or`-Infinity`, an `Error` will be thrown.
+     * @since v0.4.2
+     */
+    export function utimes(path: PathLike, atime: TimeLike, mtime: TimeLike, callback: NoParamCallback): void;
+    export namespace utimes {
+        /**
+         * Asynchronously change file timestamps of the file referenced by the supplied path.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * @param atime The last access time. If a string is provided, it will be coerced to number.
+         * @param mtime The last modified time. If a string is provided, it will be coerced to number.
+         */
+        function __promisify__(path: PathLike, atime: TimeLike, mtime: TimeLike): Promise<void>;
+    }
+    /**
+     * Returns `undefined`.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link utimes}.
+     * @since v0.4.2
+     */
+    export function utimesSync(path: PathLike, atime: TimeLike, mtime: TimeLike): void;
+    /**
+     * Change the file system timestamps of the object referenced by the supplied file
+     * descriptor. See {@link utimes}.
+     * @since v0.4.2
+     */
+    export function futimes(fd: number, atime: TimeLike, mtime: TimeLike, callback: NoParamCallback): void;
+    export namespace futimes {
+        /**
+         * Asynchronously change file timestamps of the file referenced by the supplied file descriptor.
+         * @param fd A file descriptor.
+         * @param atime The last access time. If a string is provided, it will be coerced to number.
+         * @param mtime The last modified time. If a string is provided, it will be coerced to number.
+         */
+        function __promisify__(fd: number, atime: TimeLike, mtime: TimeLike): Promise<void>;
+    }
+    /**
+     * Synchronous version of {@link futimes}. Returns `undefined`.
+     * @since v0.4.2
+     */
+    export function futimesSync(fd: number, atime: TimeLike, mtime: TimeLike): void;
+    /**
+     * Request that all data for the open file descriptor is flushed to the storage
+     * device. The specific implementation is operating system and device specific.
+     * Refer to the POSIX [`fsync(2)`](http://man7.org/linux/man-pages/man2/fsync.2.html) documentation for more detail. No arguments other
+     * than a possible exception are given to the completion callback.
+     * @since v0.1.96
+     */
+    export function fsync(fd: number, callback: NoParamCallback): void;
+    export namespace fsync {
+        /**
+         * Asynchronous fsync(2) - synchronize a file's in-core state with the underlying storage device.
+         * @param fd A file descriptor.
+         */
+        function __promisify__(fd: number): Promise<void>;
+    }
+    /**
+     * Request that all data for the open file descriptor is flushed to the storage
+     * device. The specific implementation is operating system and device specific.
+     * Refer to the POSIX [`fsync(2)`](http://man7.org/linux/man-pages/man2/fsync.2.html) documentation for more detail. Returns `undefined`.
+     * @since v0.1.96
+     */
+    export function fsyncSync(fd: number): void;
+    /**
+     * Write `buffer` to the file specified by `fd`.
+     *
+     * `offset` determines the part of the buffer to be written, and `length` is
+     * an integer specifying the number of bytes to write.
+     *
+     * `position` refers to the offset from the beginning of the file where this data
+     * should be written. If `typeof position !== 'number'`, the data will be written
+     * at the current position. See [`pwrite(2)`](http://man7.org/linux/man-pages/man2/pwrite.2.html).
+     *
+     * The callback will be given three arguments `(err, bytesWritten, buffer)` where`bytesWritten` specifies how many _bytes_ were written from `buffer`.
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns
+     * a promise for an `Object` with `bytesWritten` and `buffer` properties.
+     *
+     * It is unsafe to use `fs.write()` multiple times on the same file without waiting
+     * for the callback. For this scenario, {@link createWriteStream} is
+     * recommended.
+     *
+     * On Linux, positional writes don't work when the file is opened in append mode.
+     * The kernel ignores the position argument and always appends the data to
+     * the end of the file.
+     * @since v0.0.2
+     */
+    export function write<TBuffer extends NodeJS.ArrayBufferView>(
+        fd: number,
+        buffer: TBuffer,
+        offset: number | undefined | null,
+        length: number | undefined | null,
+        position: number | undefined | null,
+        callback: (err: NodeJS.ErrnoException | null, written: number, buffer: TBuffer) => void
+    ): void;
+    /**
+     * Asynchronously writes `buffer` to the file referenced by the supplied file descriptor.
+     * @param fd A file descriptor.
+     * @param offset The part of the buffer to be written. If not supplied, defaults to `0`.
+     * @param length The number of bytes to write. If not supplied, defaults to `buffer.length - offset`.
+     */
+    export function write<TBuffer extends NodeJS.ArrayBufferView>(
+        fd: number,
+        buffer: TBuffer,
+        offset: number | undefined | null,
+        length: number | undefined | null,
+        callback: (err: NodeJS.ErrnoException | null, written: number, buffer: TBuffer) => void
+    ): void;
+    /**
+     * Asynchronously writes `buffer` to the file referenced by the supplied file descriptor.
+     * @param fd A file descriptor.
+     * @param offset The part of the buffer to be written. If not supplied, defaults to `0`.
+     */
+    export function write<TBuffer extends NodeJS.ArrayBufferView>(
+        fd: number,
+        buffer: TBuffer,
+        offset: number | undefined | null,
+        callback: (err: NodeJS.ErrnoException | null, written: number, buffer: TBuffer) => void
+    ): void;
+    /**
+     * Asynchronously writes `buffer` to the file referenced by the supplied file descriptor.
+     * @param fd A file descriptor.
+     */
+    export function write<TBuffer extends NodeJS.ArrayBufferView>(fd: number, buffer: TBuffer, callback: (err: NodeJS.ErrnoException | null, written: number, buffer: TBuffer) => void): void;
+    /**
+     * Asynchronously writes `string` to the file referenced by the supplied file descriptor.
+     * @param fd A file descriptor.
+     * @param string A string to write.
+     * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
+     * @param encoding The expected string encoding.
+     */
+    export function write(
+        fd: number,
+        string: string,
+        position: number | undefined | null,
+        encoding: BufferEncoding | undefined | null,
+        callback: (err: NodeJS.ErrnoException | null, written: number, str: string) => void
+    ): void;
+    /**
+     * Asynchronously writes `string` to the file referenced by the supplied file descriptor.
+     * @param fd A file descriptor.
+     * @param string A string to write.
+     * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
+     */
+    export function write(fd: number, string: string, position: number | undefined | null, callback: (err: NodeJS.ErrnoException | null, written: number, str: string) => void): void;
+    /**
+     * Asynchronously writes `string` to the file referenced by the supplied file descriptor.
+     * @param fd A file descriptor.
+     * @param string A string to write.
+     */
+    export function write(fd: number, string: string, callback: (err: NodeJS.ErrnoException | null, written: number, str: string) => void): void;
+    export namespace write {
+        /**
+         * Asynchronously writes `buffer` to the file referenced by the supplied file descriptor.
+         * @param fd A file descriptor.
+         * @param offset The part of the buffer to be written. If not supplied, defaults to `0`.
+         * @param length The number of bytes to write. If not supplied, defaults to `buffer.length - offset`.
+         * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
+         */
+        function __promisify__<TBuffer extends NodeJS.ArrayBufferView>(
+            fd: number,
+            buffer?: TBuffer,
+            offset?: number,
+            length?: number,
+            position?: number | null
+        ): Promise<{
+            bytesWritten: number;
+            buffer: TBuffer;
+        }>;
+        /**
+         * Asynchronously writes `string` to the file referenced by the supplied file descriptor.
+         * @param fd A file descriptor.
+         * @param string A string to write.
+         * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
+         * @param encoding The expected string encoding.
+         */
+        function __promisify__(
+            fd: number,
+            string: string,
+            position?: number | null,
+            encoding?: BufferEncoding | null
+        ): Promise<{
+            bytesWritten: number;
+            buffer: string;
+        }>;
+    }
+    /**
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link write}.
+     * @since v0.1.21
+     * @return The number of bytes written.
+     */
+    export function writeSync(fd: number, buffer: NodeJS.ArrayBufferView, offset?: number | null, length?: number | null, position?: number | null): number;
+    /**
+     * Synchronously writes `string` to the file referenced by the supplied file descriptor, returning the number of bytes written.
+     * @param fd A file descriptor.
+     * @param string A string to write.
+     * @param position The offset from the beginning of the file where this data should be written. If not supplied, defaults to the current position.
+     * @param encoding The expected string encoding.
+     */
+    export function writeSync(fd: number, string: string, position?: number | null, encoding?: BufferEncoding | null): number;
+    export type ReadPosition = number | bigint;
+    export interface ReadSyncOptions {
+        /**
+         * @default 0
+         */
+        offset?: number | undefined;
+        /**
+         * @default `length of buffer`
+         */
+        length?: number | undefined;
+        /**
+         * @default null
+         */
+        position?: ReadPosition | null | undefined;
+    }
+    export interface ReadAsyncOptions<TBuffer extends NodeJS.ArrayBufferView> extends ReadSyncOptions {
+        buffer?: TBuffer;
+    }
+    /**
+     * Read data from the file specified by `fd`.
+     *
+     * The callback is given the three arguments, `(err, bytesRead, buffer)`.
+     *
+     * If the file is not modified concurrently, the end-of-file is reached when the
+     * number of bytes read is zero.
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns
+     * a promise for an `Object` with `bytesRead` and `buffer` properties.
+     * @since v0.0.2
+     * @param buffer The buffer that the data will be written to.
+     * @param offset The position in `buffer` to write the data to.
+     * @param length The number of bytes to read.
+     * @param position Specifies where to begin reading from in the file. If `position` is `null` or `-1 `, data will be read from the current file position, and the file position will be updated. If
+     * `position` is an integer, the file position will be unchanged.
+     */
+    export function read<TBuffer extends NodeJS.ArrayBufferView>(
+        fd: number,
+        buffer: TBuffer,
+        offset: number,
+        length: number,
+        position: ReadPosition | null,
+        callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: TBuffer) => void
+    ): void;
+    /**
+     * Similar to the above `fs.read` function, this version takes an optional `options` object.
+     * If not otherwise specified in an `options` object,
+     * `buffer` defaults to `Buffer.alloc(16384)`,
+     * `offset` defaults to `0`,
+     * `length` defaults to `buffer.byteLength`, `- offset` as of Node 17.6.0
+     * `position` defaults to `null`
+     * @since v12.17.0, 13.11.0
+     */
+    export function read<TBuffer extends NodeJS.ArrayBufferView>(
+        fd: number,
+        options: ReadAsyncOptions<TBuffer>,
+        callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: TBuffer) => void
+    ): void;
+    export function read(fd: number, callback: (err: NodeJS.ErrnoException | null, bytesRead: number, buffer: NodeJS.ArrayBufferView) => void): void;
+    export namespace read {
+        /**
+         * @param fd A file descriptor.
+         * @param buffer The buffer that the data will be written to.
+         * @param offset The offset in the buffer at which to start writing.
+         * @param length The number of bytes to read.
+         * @param position The offset from the beginning of the file from which data should be read. If `null`, data will be read from the current position.
+         */
+        function __promisify__<TBuffer extends NodeJS.ArrayBufferView>(
+            fd: number,
+            buffer: TBuffer,
+            offset: number,
+            length: number,
+            position: number | null
+        ): Promise<{
+            bytesRead: number;
+            buffer: TBuffer;
+        }>;
+        function __promisify__<TBuffer extends NodeJS.ArrayBufferView>(
+            fd: number,
+            options: ReadAsyncOptions<TBuffer>
+        ): Promise<{
+            bytesRead: number;
+            buffer: TBuffer;
+        }>;
+        function __promisify__(fd: number): Promise<{
+            bytesRead: number;
+            buffer: NodeJS.ArrayBufferView;
+        }>;
+    }
+    /**
+     * Returns the number of `bytesRead`.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link read}.
+     * @since v0.1.21
+     */
+    export function readSync(fd: number, buffer: NodeJS.ArrayBufferView, offset: number, length: number, position: ReadPosition | null): number;
+    /**
+     * Similar to the above `fs.readSync` function, this version takes an optional `options` object.
+     * If no `options` object is specified, it will default with the above values.
+     */
+    export function readSync(fd: number, buffer: NodeJS.ArrayBufferView, opts?: ReadSyncOptions): number;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     *
+     * ```js
+     * import { readFile } from 'fs';
+     *
+     * readFile('/etc/passwd', (err, data) => {
+     *   if (err) throw err;
+     *   console.log(data);
+     * });
+     * ```
+     *
+     * The callback is passed two arguments `(err, data)`, where `data` is the
+     * contents of the file.
+     *
+     * If no encoding is specified, then the raw buffer is returned.
+     *
+     * If `options` is a string, then it specifies the encoding:
+     *
+     * ```js
+     * import { readFile } from 'fs';
+     *
+     * readFile('/etc/passwd', 'utf8', callback);
+     * ```
+     *
+     * When the path is a directory, the behavior of `fs.readFile()` and {@link readFileSync} is platform-specific. On macOS, Linux, and Windows, an
+     * error will be returned. On FreeBSD, a representation of the directory's contents
+     * will be returned.
+     *
+     * ```js
+     * import { readFile } from 'fs';
+     *
+     * // macOS, Linux, and Windows
+     * readFile('<directory>', (err, data) => {
+     *   // => [Error: EISDIR: illegal operation on a directory, read <directory>]
+     * });
+     *
+     * //  FreeBSD
+     * readFile('<directory>', (err, data) => {
+     *   // => null, <data>
+     * });
+     * ```
+     *
+     * It is possible to abort an ongoing request using an `AbortSignal`. If a
+     * request is aborted the callback is called with an `AbortError`:
+     *
+     * ```js
+     * import { readFile } from 'fs';
+     *
+     * const controller = new AbortController();
+     * const signal = controller.signal;
+     * readFile(fileInfo[0].name, { signal }, (err, buf) => {
+     *   // ...
+     * });
+     * // When you want to abort the request
+     * controller.abort();
+     * ```
+     *
+     * The `fs.readFile()` function buffers the entire file. To minimize memory costs,
+     * when possible prefer streaming via `fs.createReadStream()`.
+     *
+     * Aborting an ongoing request does not abort individual operating
+     * system requests but rather the internal buffering `fs.readFile` performs.
+     * @since v0.1.29
+     * @param path filename or file descriptor
+     */
+    export function readFile(
+        path: PathOrFileDescriptor,
+        options:
+            | ({
+                  encoding?: null | undefined;
+                  flag?: string | undefined;
+              } & Abortable)
+            | undefined
+            | null,
+        callback: (err: NodeJS.ErrnoException | null, data: Buffer) => void
+    ): void;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag.
+     * If a flag is not provided, it defaults to `'r'`.
+     */
+    export function readFile(
+        path: PathOrFileDescriptor,
+        options:
+            | ({
+                  encoding: BufferEncoding;
+                  flag?: string | undefined;
+              } & Abortable)
+            | BufferEncoding,
+        callback: (err: NodeJS.ErrnoException | null, data: string) => void
+    ): void;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag.
+     * If a flag is not provided, it defaults to `'r'`.
+     */
+    export function readFile(
+        path: PathOrFileDescriptor,
+        options:
+            | (ObjectEncodingOptions & {
+                  flag?: string | undefined;
+              } & Abortable)
+            | BufferEncoding
+            | undefined
+            | null,
+        callback: (err: NodeJS.ErrnoException | null, data: string | Buffer) => void
+    ): void;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     */
+    export function readFile(path: PathOrFileDescriptor, callback: (err: NodeJS.ErrnoException | null, data: Buffer) => void): void;
+    export namespace readFile {
+        /**
+         * Asynchronously reads the entire contents of a file.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+         * @param options An object that may contain an optional flag.
+         * If a flag is not provided, it defaults to `'r'`.
+         */
+        function __promisify__(
+            path: PathOrFileDescriptor,
+            options?: {
+                encoding?: null | undefined;
+                flag?: string | undefined;
+            } | null
+        ): Promise<Buffer>;
+        /**
+         * Asynchronously reads the entire contents of a file.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+         * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag.
+         * If a flag is not provided, it defaults to `'r'`.
+         */
+        function __promisify__(
+            path: PathOrFileDescriptor,
+            options:
+                | {
+                      encoding: BufferEncoding;
+                      flag?: string | undefined;
+                  }
+                | BufferEncoding
+        ): Promise<string>;
+        /**
+         * Asynchronously reads the entire contents of a file.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+         * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag.
+         * If a flag is not provided, it defaults to `'r'`.
+         */
+        function __promisify__(
+            path: PathOrFileDescriptor,
+            options?:
+                | (ObjectEncodingOptions & {
+                      flag?: string | undefined;
+                  })
+                | BufferEncoding
+                | null
+        ): Promise<string | Buffer>;
+    }
+    /**
+     * Returns the contents of the `path`.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link readFile}.
+     *
+     * If the `encoding` option is specified then this function returns a
+     * string. Otherwise it returns a buffer.
+     *
+     * Similar to {@link readFile}, when the path is a directory, the behavior of`fs.readFileSync()` is platform-specific.
+     *
+     * ```js
+     * import { readFileSync } from 'fs';
+     *
+     * // macOS, Linux, and Windows
+     * readFileSync('<directory>');
+     * // => [Error: EISDIR: illegal operation on a directory, read <directory>]
+     *
+     * //  FreeBSD
+     * readFileSync('<directory>'); // => <data>
+     * ```
+     * @since v0.1.8
+     * @param path filename or file descriptor
+     */
+    export function readFileSync(
+        path: PathOrFileDescriptor,
+        options?: {
+            encoding?: null | undefined;
+            flag?: string | undefined;
+        } | null
+    ): Buffer;
+    /**
+     * Synchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag.
+     * If a flag is not provided, it defaults to `'r'`.
+     */
+    export function readFileSync(
+        path: PathOrFileDescriptor,
+        options:
+            | {
+                  encoding: BufferEncoding;
+                  flag?: string | undefined;
+              }
+            | BufferEncoding
+    ): string;
+    /**
+     * Synchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     * @param options Either the encoding for the result, or an object that contains the encoding and an optional flag.
+     * If a flag is not provided, it defaults to `'r'`.
+     */
+    export function readFileSync(
+        path: PathOrFileDescriptor,
+        options?:
+            | (ObjectEncodingOptions & {
+                  flag?: string | undefined;
+              })
+            | BufferEncoding
+            | null
+    ): string | Buffer;
+    export type WriteFileOptions =
+        | (ObjectEncodingOptions &
+              Abortable & {
+                  mode?: Mode | undefined;
+                  flag?: string | undefined;
+              })
+        | BufferEncoding
+        | null;
+    /**
+     * When `file` is a filename, asynchronously writes data to the file, replacing the
+     * file if it already exists. `data` can be a string or a buffer.
+     *
+     * When `file` is a file descriptor, the behavior is similar to calling`fs.write()` directly (which is recommended). See the notes below on using
+     * a file descriptor.
+     *
+     * The `encoding` option is ignored if `data` is a buffer.
+     *
+     * The `mode` option only affects the newly created file. See {@link open} for more details.
+     *
+     * ```js
+     * import { writeFile } from 'fs';
+     * import { Buffer } from 'buffer';
+     *
+     * const data = new Uint8Array(Buffer.from('Hello Node.js'));
+     * writeFile('message.txt', data, (err) => {
+     *   if (err) throw err;
+     *   console.log('The file has been saved!');
+     * });
+     * ```
+     *
+     * If `options` is a string, then it specifies the encoding:
+     *
+     * ```js
+     * import { writeFile } from 'fs';
+     *
+     * writeFile('message.txt', 'Hello Node.js', 'utf8', callback);
+     * ```
+     *
+     * It is unsafe to use `fs.writeFile()` multiple times on the same file without
+     * waiting for the callback. For this scenario, {@link createWriteStream} is
+     * recommended.
+     *
+     * Similarly to `fs.readFile` \- `fs.writeFile` is a convenience method that
+     * performs multiple `write` calls internally to write the buffer passed to it.
+     * For performance sensitive code consider using {@link createWriteStream}.
+     *
+     * It is possible to use an `AbortSignal` to cancel an `fs.writeFile()`.
+     * Cancelation is "best effort", and some amount of data is likely still
+     * to be written.
+     *
+     * ```js
+     * import { writeFile } from 'fs';
+     * import { Buffer } from 'buffer';
+     *
+     * const controller = new AbortController();
+     * const { signal } = controller;
+     * const data = new Uint8Array(Buffer.from('Hello Node.js'));
+     * writeFile('message.txt', data, { signal }, (err) => {
+     *   // When a request is aborted - the callback is called with an AbortError
+     * });
+     * // When the request should be aborted
+     * controller.abort();
+     * ```
+     *
+     * Aborting an ongoing request does not abort individual operating
+     * system requests but rather the internal buffering `fs.writeFile` performs.
+     * @since v0.1.29
+     * @param file filename or file descriptor
+     */
+    export function writeFile(file: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, options: WriteFileOptions, callback: NoParamCallback): void;
+    /**
+     * Asynchronously writes data to a file, replacing the file if it already exists.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string.
+     */
+    export function writeFile(path: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, callback: NoParamCallback): void;
+    export namespace writeFile {
+        /**
+         * Asynchronously writes data to a file, replacing the file if it already exists.
+         * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+         * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string.
+         * @param options Either the encoding for the file, or an object optionally specifying the encoding, file mode, and flag.
+         * If `encoding` is not supplied, the default of `'utf8'` is used.
+         * If `mode` is not supplied, the default of `0o666` is used.
+         * If `mode` is a string, it is parsed as an octal integer.
+         * If `flag` is not supplied, the default of `'w'` is used.
+         */
+        function __promisify__(path: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, options?: WriteFileOptions): Promise<void>;
+    }
+    /**
+     * Returns `undefined`.
+     *
+     * The `mode` option only affects the newly created file. See {@link open} for more details.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link writeFile}.
+     * @since v0.1.29
+     * @param file filename or file descriptor
+     */
+    export function writeFileSync(file: PathOrFileDescriptor, data: string | NodeJS.ArrayBufferView, options?: WriteFileOptions): void;
+    /**
+     * Asynchronously append data to a file, creating the file if it does not yet
+     * exist. `data` can be a string or a `Buffer`.
+     *
+     * The `mode` option only affects the newly created file. See {@link open} for more details.
+     *
+     * ```js
+     * import { appendFile } from 'fs';
+     *
+     * appendFile('message.txt', 'data to append', (err) => {
+     *   if (err) throw err;
+     *   console.log('The "data to append" was appended to file!');
+     * });
+     * ```
+     *
+     * If `options` is a string, then it specifies the encoding:
+     *
+     * ```js
+     * import { appendFile } from 'fs';
+     *
+     * appendFile('message.txt', 'data to append', 'utf8', callback);
+     * ```
+     *
+     * The `path` may be specified as a numeric file descriptor that has been opened
+     * for appending (using `fs.open()` or `fs.openSync()`). The file descriptor will
+     * not be closed automatically.
+     *
+     * ```js
+     * import { open, close, appendFile } from 'fs';
+     *
+     * function closeFd(fd) {
+     *   close(fd, (err) => {
+     *     if (err) throw err;
+     *   });
+     * }
+     *
+     * open('message.txt', 'a', (err, fd) => {
+     *   if (err) throw err;
+     *
+     *   try {
+     *     appendFile(fd, 'data to append', 'utf8', (err) => {
+     *       closeFd(fd);
+     *       if (err) throw err;
+     *     });
+     *   } catch (err) {
+     *     closeFd(fd);
+     *     throw err;
+     *   }
+     * });
+     * ```
+     * @since v0.6.7
+     * @param path filename or file descriptor
+     */
+    export function appendFile(path: PathOrFileDescriptor, data: string | Uint8Array, options: WriteFileOptions, callback: NoParamCallback): void;
+    /**
+     * Asynchronously append data to a file, creating the file if it does not exist.
+     * @param file A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+     * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string.
+     */
+    export function appendFile(file: PathOrFileDescriptor, data: string | Uint8Array, callback: NoParamCallback): void;
+    export namespace appendFile {
+        /**
+         * Asynchronously append data to a file, creating the file if it does not exist.
+         * @param file A path to a file. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         * If a file descriptor is provided, the underlying file will _not_ be closed automatically.
+         * @param data The data to write. If something other than a Buffer or Uint8Array is provided, the value is coerced to a string.
+         * @param options Either the encoding for the file, or an object optionally specifying the encoding, file mode, and flag.
+         * If `encoding` is not supplied, the default of `'utf8'` is used.
+         * If `mode` is not supplied, the default of `0o666` is used.
+         * If `mode` is a string, it is parsed as an octal integer.
+         * If `flag` is not supplied, the default of `'a'` is used.
+         */
+        function __promisify__(file: PathOrFileDescriptor, data: string | Uint8Array, options?: WriteFileOptions): Promise<void>;
+    }
+    /**
+     * Synchronously append data to a file, creating the file if it does not yet
+     * exist. `data` can be a string or a `Buffer`.
+     *
+     * The `mode` option only affects the newly created file. See {@link open} for more details.
+     *
+     * ```js
+     * import { appendFileSync } from 'fs';
+     *
+     * try {
+     *   appendFileSync('message.txt', 'data to append');
+     *   console.log('The "data to append" was appended to file!');
+     * } catch (err) {
+     *   // Handle the error
+     * }
+     * ```
+     *
+     * If `options` is a string, then it specifies the encoding:
+     *
+     * ```js
+     * import { appendFileSync } from 'fs';
+     *
+     * appendFileSync('message.txt', 'data to append', 'utf8');
+     * ```
+     *
+     * The `path` may be specified as a numeric file descriptor that has been opened
+     * for appending (using `fs.open()` or `fs.openSync()`). The file descriptor will
+     * not be closed automatically.
+     *
+     * ```js
+     * import { openSync, closeSync, appendFileSync } from 'fs';
+     *
+     * let fd;
+     *
+     * try {
+     *   fd = openSync('message.txt', 'a');
+     *   appendFileSync(fd, 'data to append', 'utf8');
+     * } catch (err) {
+     *   // Handle the error
+     * } finally {
+     *   if (fd !== undefined)
+     *     closeSync(fd);
+     * }
+     * ```
+     * @since v0.6.7
+     * @param path filename or file descriptor
+     */
+    export function appendFileSync(path: PathOrFileDescriptor, data: string | Uint8Array, options?: WriteFileOptions): void;
+    /**
+     * Watch for changes on `filename`. The callback `listener` will be called each
+     * time the file is accessed.
+     *
+     * The `options` argument may be omitted. If provided, it should be an object. The`options` object may contain a boolean named `persistent` that indicates
+     * whether the process should continue to run as long as files are being watched.
+     * The `options` object may specify an `interval` property indicating how often the
+     * target should be polled in milliseconds.
+     *
+     * The `listener` gets two arguments the current stat object and the previous
+     * stat object:
+     *
+     * ```js
+     * import { watchFile } from 'fs';
+     *
+     * watchFile('message.text', (curr, prev) => {
+     *   console.log(`the current mtime is: ${curr.mtime}`);
+     *   console.log(`the previous mtime was: ${prev.mtime}`);
+     * });
+     * ```
+     *
+     * These stat objects are instances of `fs.Stat`. If the `bigint` option is `true`,
+     * the numeric values in these objects are specified as `BigInt`s.
+     *
+     * To be notified when the file was modified, not just accessed, it is necessary
+     * to compare `curr.mtimeMs` and `prev.mtimeMs`.
+     *
+     * When an `fs.watchFile` operation results in an `ENOENT` error, it
+     * will invoke the listener once, with all the fields zeroed (or, for dates, the
+     * Unix Epoch). If the file is created later on, the listener will be called
+     * again, with the latest stat objects. This is a change in functionality since
+     * v0.10.
+     *
+     * Using {@link watch} is more efficient than `fs.watchFile` and`fs.unwatchFile`. `fs.watch` should be used instead of `fs.watchFile` and`fs.unwatchFile` when possible.
+     *
+     * When a file being watched by `fs.watchFile()` disappears and reappears,
+     * then the contents of `previous` in the second callback event (the file's
+     * reappearance) will be the same as the contents of `previous` in the first
+     * callback event (its disappearance).
+     *
+     * This happens when:
+     *
+     * * the file is deleted, followed by a restore
+     * * the file is renamed and then renamed a second time back to its original name
+     * @since v0.1.31
+     */
+    export interface WatchFileOptions {
+        bigint?: boolean | undefined;
+        persistent?: boolean | undefined;
+        interval?: number | undefined;
+    }
+    /**
+     * Watch for changes on `filename`. The callback `listener` will be called each
+     * time the file is accessed.
+     *
+     * The `options` argument may be omitted. If provided, it should be an object. The`options` object may contain a boolean named `persistent` that indicates
+     * whether the process should continue to run as long as files are being watched.
+     * The `options` object may specify an `interval` property indicating how often the
+     * target should be polled in milliseconds.
+     *
+     * The `listener` gets two arguments the current stat object and the previous
+     * stat object:
+     *
+     * ```js
+     * import { watchFile } from 'fs';
+     *
+     * watchFile('message.text', (curr, prev) => {
+     *   console.log(`the current mtime is: ${curr.mtime}`);
+     *   console.log(`the previous mtime was: ${prev.mtime}`);
+     * });
+     * ```
+     *
+     * These stat objects are instances of `fs.Stat`. If the `bigint` option is `true`,
+     * the numeric values in these objects are specified as `BigInt`s.
+     *
+     * To be notified when the file was modified, not just accessed, it is necessary
+     * to compare `curr.mtimeMs` and `prev.mtimeMs`.
+     *
+     * When an `fs.watchFile` operation results in an `ENOENT` error, it
+     * will invoke the listener once, with all the fields zeroed (or, for dates, the
+     * Unix Epoch). If the file is created later on, the listener will be called
+     * again, with the latest stat objects. This is a change in functionality since
+     * v0.10.
+     *
+     * Using {@link watch} is more efficient than `fs.watchFile` and`fs.unwatchFile`. `fs.watch` should be used instead of `fs.watchFile` and`fs.unwatchFile` when possible.
+     *
+     * When a file being watched by `fs.watchFile()` disappears and reappears,
+     * then the contents of `previous` in the second callback event (the file's
+     * reappearance) will be the same as the contents of `previous` in the first
+     * callback event (its disappearance).
+     *
+     * This happens when:
+     *
+     * * the file is deleted, followed by a restore
+     * * the file is renamed and then renamed a second time back to its original name
+     * @since v0.1.31
+     */
+    export function watchFile(
+        filename: PathLike,
+        options:
+            | (WatchFileOptions & {
+                  bigint?: false | undefined;
+              })
+            | undefined,
+        listener: (curr: Stats, prev: Stats) => void
+    ): StatWatcher;
+    export function watchFile(
+        filename: PathLike,
+        options:
+            | (WatchFileOptions & {
+                  bigint: true;
+              })
+            | undefined,
+        listener: (curr: BigIntStats, prev: BigIntStats) => void
+    ): StatWatcher;
+    /**
+     * Watch for changes on `filename`. The callback `listener` will be called each time the file is accessed.
+     * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function watchFile(filename: PathLike, listener: (curr: Stats, prev: Stats) => void): StatWatcher;
+    /**
+     * Stop watching for changes on `filename`. If `listener` is specified, only that
+     * particular listener is removed. Otherwise, _all_ listeners are removed,
+     * effectively stopping watching of `filename`.
+     *
+     * Calling `fs.unwatchFile()` with a filename that is not being watched is a
+     * no-op, not an error.
+     *
+     * Using {@link watch} is more efficient than `fs.watchFile()` and`fs.unwatchFile()`. `fs.watch()` should be used instead of `fs.watchFile()`and `fs.unwatchFile()` when possible.
+     * @since v0.1.31
+     * @param listener Optional, a listener previously attached using `fs.watchFile()`
+     */
+    export function unwatchFile(filename: PathLike, listener?: (curr: Stats, prev: Stats) => void): void;
+    export interface WatchOptions extends Abortable {
+        encoding?: BufferEncoding | 'buffer' | undefined;
+        persistent?: boolean | undefined;
+        recursive?: boolean | undefined;
+    }
+    export type WatchEventType = 'rename' | 'change';
+    export type WatchListener<T> = (event: WatchEventType, filename: T) => void;
+    /**
+     * Watch for changes on `filename`, where `filename` is either a file or a
+     * directory.
+     *
+     * The second argument is optional. If `options` is provided as a string, it
+     * specifies the `encoding`. Otherwise `options` should be passed as an object.
+     *
+     * The listener callback gets two arguments `(eventType, filename)`. `eventType`is either `'rename'` or `'change'`, and `filename` is the name of the file
+     * which triggered the event.
+     *
+     * On most platforms, `'rename'` is emitted whenever a filename appears or
+     * disappears in the directory.
+     *
+     * The listener callback is attached to the `'change'` event fired by `fs.FSWatcher`, but it is not the same thing as the `'change'` value of`eventType`.
+     *
+     * If a `signal` is passed, aborting the corresponding AbortController will close
+     * the returned `fs.FSWatcher`.
+     * @since v0.5.10
+     * @param listener
+     */
+    export function watch(
+        filename: PathLike,
+        options:
+            | (WatchOptions & {
+                  encoding: 'buffer';
+              })
+            | 'buffer',
+        listener?: WatchListener<Buffer>
+    ): FSWatcher;
+    /**
+     * Watch for changes on `filename`, where `filename` is either a file or a directory, returning an `FSWatcher`.
+     * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the encoding for the filename provided to the listener, or an object optionally specifying encoding, persistent, and recursive options.
+     * If `encoding` is not supplied, the default of `'utf8'` is used.
+     * If `persistent` is not supplied, the default of `true` is used.
+     * If `recursive` is not supplied, the default of `false` is used.
+     */
+    export function watch(filename: PathLike, options?: WatchOptions | BufferEncoding | null, listener?: WatchListener<string>): FSWatcher;
+    /**
+     * Watch for changes on `filename`, where `filename` is either a file or a directory, returning an `FSWatcher`.
+     * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the encoding for the filename provided to the listener, or an object optionally specifying encoding, persistent, and recursive options.
+     * If `encoding` is not supplied, the default of `'utf8'` is used.
+     * If `persistent` is not supplied, the default of `true` is used.
+     * If `recursive` is not supplied, the default of `false` is used.
+     */
+    export function watch(filename: PathLike, options: WatchOptions | string, listener?: WatchListener<string | Buffer>): FSWatcher;
+    /**
+     * Watch for changes on `filename`, where `filename` is either a file or a directory, returning an `FSWatcher`.
+     * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function watch(filename: PathLike, listener?: WatchListener<string>): FSWatcher;
+    /**
+     * Test whether or not the given path exists by checking with the file system.
+     * Then call the `callback` argument with either true or false:
+     *
+     * ```js
+     * import { exists } from 'fs';
+     *
+     * exists('/etc/passwd', (e) => {
+     *   console.log(e ? 'it exists' : 'no passwd!');
+     * });
+     * ```
+     *
+     * **The parameters for this callback are not consistent with other Node.js**
+     * **callbacks.** Normally, the first parameter to a Node.js callback is an `err`parameter, optionally followed by other parameters. The `fs.exists()` callback
+     * has only one boolean parameter. This is one reason `fs.access()` is recommended
+     * instead of `fs.exists()`.
+     *
+     * Using `fs.exists()` to check for the existence of a file before calling`fs.open()`, `fs.readFile()` or `fs.writeFile()` is not recommended. Doing
+     * so introduces a race condition, since other processes may change the file's
+     * state between the two calls. Instead, user code should open/read/write the
+     * file directly and handle the error raised if the file does not exist.
+     *
+     * **write (NOT RECOMMENDED)**
+     *
+     * ```js
+     * import { exists, open, close } from 'fs';
+     *
+     * exists('myfile', (e) => {
+     *   if (e) {
+     *     console.error('myfile already exists');
+     *   } else {
+     *     open('myfile', 'wx', (err, fd) => {
+     *       if (err) throw err;
+     *
+     *       try {
+     *         writeMyData(fd);
+     *       } finally {
+     *         close(fd, (err) => {
+     *           if (err) throw err;
+     *         });
+     *       }
+     *     });
+     *   }
+     * });
+     * ```
+     *
+     * **write (RECOMMENDED)**
+     *
+     * ```js
+     * import { open, close } from 'fs';
+     * open('myfile', 'wx', (err, fd) => {
+     *   if (err) {
+     *     if (err.code === 'EEXIST') {
+     *       console.error('myfile already exists');
+     *       return;
+     *     }
+     *
+     *     throw err;
+     *   }
+     *
+     *   try {
+     *     writeMyData(fd);
+     *   } finally {
+     *     close(fd, (err) => {
+     *       if (err) throw err;
+     *     });
+     *   }
+     * });
+     * ```
+     *
+     * **read (NOT RECOMMENDED)**
+     *
+     * ```js
+     * import { open, close, exists } from 'fs';
+     *
+     * exists('myfile', (e) => {
+     *   if (e) {
+     *     open('myfile', 'r', (err, fd) => {
+     *       if (err) throw err;
+     *
+     *       try {
+     *         readMyData(fd);
+     *       } finally {
+     *         close(fd, (err) => {
+     *           if (err) throw err;
+     *         });
+     *       }
+     *     });
+     *   } else {
+     *     console.error('myfile does not exist');
+     *   }
+     * });
+     * ```
+     *
+     * **read (RECOMMENDED)**
+     *
+     * ```js
+     * import { open, close } from 'fs';
+     *
+     * open('myfile', 'r', (err, fd) => {
+     *   if (err) {
+     *     if (err.code === 'ENOENT') {
+     *       console.error('myfile does not exist');
+     *       return;
+     *     }
+     *
+     *     throw err;
+     *   }
+     *
+     *   try {
+     *     readMyData(fd);
+     *   } finally {
+     *     close(fd, (err) => {
+     *       if (err) throw err;
+     *     });
+     *   }
+     * });
+     * ```
+     *
+     * The "not recommended" examples above check for existence and then use the
+     * file; the "recommended" examples are better because they use the file directly
+     * and handle the error, if any.
+     *
+     * In general, check for the existence of a file only if the file won’t be
+     * used directly, for example when its existence is a signal from another
+     * process.
+     * @since v0.0.2
+     * @deprecated Since v1.0.0 - Use {@link stat} or {@link access} instead.
+     */
+    export function exists(path: PathLike, callback: (exists: boolean) => void): void;
+    /** @deprecated */
+    export namespace exists {
+        /**
+         * @param path A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         */
+        function __promisify__(path: PathLike): Promise<boolean>;
+    }
+    /**
+     * Returns `true` if the path exists, `false` otherwise.
+     *
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link exists}.
+     *
+     * `fs.exists()` is deprecated, but `fs.existsSync()` is not. The `callback`parameter to `fs.exists()` accepts parameters that are inconsistent with other
+     * Node.js callbacks. `fs.existsSync()` does not use a callback.
+     *
+     * ```js
+     * import { existsSync } from 'fs';
+     *
+     * if (existsSync('/etc/passwd'))
+     *   console.log('The path exists.');
+     * ```
+     * @since v0.1.21
+     */
+    export function existsSync(path: PathLike): boolean;
+    export namespace constants {
+        // File Access Constants
+        /** Constant for fs.access(). File is visible to the calling process. */
+        const F_OK: number;
+        /** Constant for fs.access(). File can be read by the calling process. */
+        const R_OK: number;
+        /** Constant for fs.access(). File can be written by the calling process. */
+        const W_OK: number;
+        /** Constant for fs.access(). File can be executed by the calling process. */
+        const X_OK: number;
+        // File Copy Constants
+        /** Constant for fs.copyFile. Flag indicating the destination file should not be overwritten if it already exists. */
+        const COPYFILE_EXCL: number;
+        /**
+         * Constant for fs.copyFile. copy operation will attempt to create a copy-on-write reflink.
+         * If the underlying platform does not support copy-on-write, then a fallback copy mechanism is used.
+         */
+        const COPYFILE_FICLONE: number;
+        /**
+         * Constant for fs.copyFile. Copy operation will attempt to create a copy-on-write reflink.
+         * If the underlying platform does not support copy-on-write, then the operation will fail with an error.
+         */
+        const COPYFILE_FICLONE_FORCE: number;
+        // File Open Constants
+        /** Constant for fs.open(). Flag indicating to open a file for read-only access. */
+        const O_RDONLY: number;
+        /** Constant for fs.open(). Flag indicating to open a file for write-only access. */
+        const O_WRONLY: number;
+        /** Constant for fs.open(). Flag indicating to open a file for read-write access. */
+        const O_RDWR: number;
+        /** Constant for fs.open(). Flag indicating to create the file if it does not already exist. */
+        const O_CREAT: number;
+        /** Constant for fs.open(). Flag indicating that opening a file should fail if the O_CREAT flag is set and the file already exists. */
+        const O_EXCL: number;
+        /**
+         * Constant for fs.open(). Flag indicating that if path identifies a terminal device,
+         * opening the path shall not cause that terminal to become the controlling terminal for the process
+         * (if the process does not already have one).
+         */
+        const O_NOCTTY: number;
+        /** Constant for fs.open(). Flag indicating that if the file exists and is a regular file, and the file is opened successfully for write access, its length shall be truncated to zero. */
+        const O_TRUNC: number;
+        /** Constant for fs.open(). Flag indicating that data will be appended to the end of the file. */
+        const O_APPEND: number;
+        /** Constant for fs.open(). Flag indicating that the open should fail if the path is not a directory. */
+        const O_DIRECTORY: number;
+        /**
+         * constant for fs.open().
+         * Flag indicating reading accesses to the file system will no longer result in
+         * an update to the atime information associated with the file.
+         * This flag is available on Linux operating systems only.
+         */
+        const O_NOATIME: number;
+        /** Constant for fs.open(). Flag indicating that the open should fail if the path is a symbolic link. */
+        const O_NOFOLLOW: number;
+        /** Constant for fs.open(). Flag indicating that the file is opened for synchronous I/O. */
+        const O_SYNC: number;
+        /** Constant for fs.open(). Flag indicating that the file is opened for synchronous I/O with write operations waiting for data integrity. */
+        const O_DSYNC: number;
+        /** Constant for fs.open(). Flag indicating to open the symbolic link itself rather than the resource it is pointing to. */
+        const O_SYMLINK: number;
+        /** Constant for fs.open(). When set, an attempt will be made to minimize caching effects of file I/O. */
+        const O_DIRECT: number;
+        /** Constant for fs.open(). Flag indicating to open the file in nonblocking mode when possible. */
+        const O_NONBLOCK: number;
+        // File Type Constants
+        /** Constant for fs.Stats mode property for determining a file's type. Bit mask used to extract the file type code. */
+        const S_IFMT: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a regular file. */
+        const S_IFREG: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a directory. */
+        const S_IFDIR: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a character-oriented device file. */
+        const S_IFCHR: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a block-oriented device file. */
+        const S_IFBLK: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a FIFO/pipe. */
+        const S_IFIFO: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a symbolic link. */
+        const S_IFLNK: number;
+        /** Constant for fs.Stats mode property for determining a file's type. File type constant for a socket. */
+        const S_IFSOCK: number;
+        // File Mode Constants
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable, writable and executable by owner. */
+        const S_IRWXU: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable by owner. */
+        const S_IRUSR: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating writable by owner. */
+        const S_IWUSR: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating executable by owner. */
+        const S_IXUSR: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable, writable and executable by group. */
+        const S_IRWXG: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable by group. */
+        const S_IRGRP: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating writable by group. */
+        const S_IWGRP: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating executable by group. */
+        const S_IXGRP: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable, writable and executable by others. */
+        const S_IRWXO: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating readable by others. */
+        const S_IROTH: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating writable by others. */
+        const S_IWOTH: number;
+        /** Constant for fs.Stats mode property for determining access permissions for a file. File mode indicating executable by others. */
+        const S_IXOTH: number;
+        /**
+         * When set, a memory file mapping is used to access the file. This flag
+         * is available on Windows operating systems only. On other operating systems,
+         * this flag is ignored.
+         */
+        const UV_FS_O_FILEMAP: number;
+    }
+    /**
+     * Tests a user's permissions for the file or directory specified by `path`.
+     * The `mode` argument is an optional integer that specifies the accessibility
+     * checks to be performed. `mode` should be either the value `fs.constants.F_OK`or a mask consisting of the bitwise OR of any of `fs.constants.R_OK`,`fs.constants.W_OK`, and `fs.constants.X_OK`
+     * (e.g.`fs.constants.W_OK | fs.constants.R_OK`). Check `File access constants` for
+     * possible values of `mode`.
+     *
+     * The final argument, `callback`, is a callback function that is invoked with
+     * a possible error argument. If any of the accessibility checks fail, the error
+     * argument will be an `Error` object. The following examples check if`package.json` exists, and if it is readable or writable.
+     *
+     * ```js
+     * import { access, constants } from 'fs';
+     *
+     * const file = 'package.json';
+     *
+     * // Check if the file exists in the current directory.
+     * access(file, constants.F_OK, (err) => {
+     *   console.log(`${file} ${err ? 'does not exist' : 'exists'}`);
+     * });
+     *
+     * // Check if the file is readable.
+     * access(file, constants.R_OK, (err) => {
+     *   console.log(`${file} ${err ? 'is not readable' : 'is readable'}`);
+     * });
+     *
+     * // Check if the file is writable.
+     * access(file, constants.W_OK, (err) => {
+     *   console.log(`${file} ${err ? 'is not writable' : 'is writable'}`);
+     * });
+     *
+     * // Check if the file is readable and writable.
+     * access(file, constants.R_OK | constants.W_OK, (err) => {
+     *   console.log(`${file} ${err ? 'is not' : 'is'} readable and writable`);
+     * });
+     * ```
+     *
+     * Do not use `fs.access()` to check for the accessibility of a file before calling`fs.open()`, `fs.readFile()` or `fs.writeFile()`. Doing
+     * so introduces a race condition, since other processes may change the file's
+     * state between the two calls. Instead, user code should open/read/write the
+     * file directly and handle the error raised if the file is not accessible.
+     *
+     * **write (NOT RECOMMENDED)**
+     *
+     * ```js
+     * import { access, open, close } from 'fs';
+     *
+     * access('myfile', (err) => {
+     *   if (!err) {
+     *     console.error('myfile already exists');
+     *     return;
+     *   }
+     *
+     *   open('myfile', 'wx', (err, fd) => {
+     *     if (err) throw err;
+     *
+     *     try {
+     *       writeMyData(fd);
+     *     } finally {
+     *       close(fd, (err) => {
+     *         if (err) throw err;
+     *       });
+     *     }
+     *   });
+     * });
+     * ```
+     *
+     * **write (RECOMMENDED)**
+     *
+     * ```js
+     * import { open, close } from 'fs';
+     *
+     * open('myfile', 'wx', (err, fd) => {
+     *   if (err) {
+     *     if (err.code === 'EEXIST') {
+     *       console.error('myfile already exists');
+     *       return;
+     *     }
+     *
+     *     throw err;
+     *   }
+     *
+     *   try {
+     *     writeMyData(fd);
+     *   } finally {
+     *     close(fd, (err) => {
+     *       if (err) throw err;
+     *     });
+     *   }
+     * });
+     * ```
+     *
+     * **read (NOT RECOMMENDED)**
+     *
+     * ```js
+     * import { access, open, close } from 'fs';
+     * access('myfile', (err) => {
+     *   if (err) {
+     *     if (err.code === 'ENOENT') {
+     *       console.error('myfile does not exist');
+     *       return;
+     *     }
+     *
+     *     throw err;
+     *   }
+     *
+     *   open('myfile', 'r', (err, fd) => {
+     *     if (err) throw err;
+     *
+     *     try {
+     *       readMyData(fd);
+     *     } finally {
+     *       close(fd, (err) => {
+     *         if (err) throw err;
+     *       });
+     *     }
+     *   });
+     * });
+     * ```
+     *
+     * **read (RECOMMENDED)**
+     *
+     * ```js
+     * import { open, close } from 'fs';
+     *
+     * open('myfile', 'r', (err, fd) => {
+     *   if (err) {
+     *     if (err.code === 'ENOENT') {
+     *       console.error('myfile does not exist');
+     *       return;
+     *     }
+     *
+     *     throw err;
+     *   }
+     *
+     *   try {
+     *     readMyData(fd);
+     *   } finally {
+     *     close(fd, (err) => {
+     *       if (err) throw err;
+     *     });
+     *   }
+     * });
+     * ```
+     *
+     * The "not recommended" examples above check for accessibility and then use the
+     * file; the "recommended" examples are better because they use the file directly
+     * and handle the error, if any.
+     *
+     * In general, check for the accessibility of a file only if the file will not be
+     * used directly, for example when its accessibility is a signal from another
+     * process.
+     *
+     * On Windows, access-control policies (ACLs) on a directory may limit access to
+     * a file or directory. The `fs.access()` function, however, does not check the
+     * ACL and therefore may report that a path is accessible even if the ACL restricts
+     * the user from reading or writing to it.
+     * @since v0.11.15
+     * @param [mode=fs.constants.F_OK]
+     */
+    export function access(path: PathLike, mode: number | undefined, callback: NoParamCallback): void;
+    /**
+     * Asynchronously tests a user's permissions for the file specified by path.
+     * @param path A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     */
+    export function access(path: PathLike, callback: NoParamCallback): void;
+    export namespace access {
+        /**
+         * Asynchronously tests a user's permissions for the file specified by path.
+         * @param path A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+         * URL support is _experimental_.
+         */
+        function __promisify__(path: PathLike, mode?: number): Promise<void>;
+    }
+    /**
+     * Synchronously tests a user's permissions for the file or directory specified
+     * by `path`. The `mode` argument is an optional integer that specifies the
+     * accessibility checks to be performed. `mode` should be either the value`fs.constants.F_OK` or a mask consisting of the bitwise OR of any of`fs.constants.R_OK`, `fs.constants.W_OK`, and
+     * `fs.constants.X_OK` (e.g.`fs.constants.W_OK | fs.constants.R_OK`). Check `File access constants` for
+     * possible values of `mode`.
+     *
+     * If any of the accessibility checks fail, an `Error` will be thrown. Otherwise,
+     * the method will return `undefined`.
+     *
+     * ```js
+     * import { accessSync, constants } from 'fs';
+     *
+     * try {
+     *   accessSync('etc/passwd', constants.R_OK | constants.W_OK);
+     *   console.log('can read/write');
+     * } catch (err) {
+     *   console.error('no access!');
+     * }
+     * ```
+     * @since v0.11.15
+     * @param [mode=fs.constants.F_OK]
+     */
+    export function accessSync(path: PathLike, mode?: number): void;
+    interface StreamOptions {
+        flags?: string | undefined;
+        encoding?: BufferEncoding | undefined;
+        fd?: number | promises.FileHandle | undefined;
+        mode?: number | undefined;
+        autoClose?: boolean | undefined;
+        /**
+         * @default false
+         */
+        emitClose?: boolean | undefined;
+        start?: number | undefined;
+        highWaterMark?: number | undefined;
+    }
+    interface ReadStreamOptions extends StreamOptions {
+        end?: number | undefined;
+    }
+    /**
+     * Unlike the 16 kb default `highWaterMark` for a `stream.Readable`, the stream
+     * returned by this method has a default `highWaterMark` of 64 kb.
+     *
+     * `options` can include `start` and `end` values to read a range of bytes from
+     * the file instead of the entire file. Both `start` and `end` are inclusive and
+     * start counting at 0, allowed values are in the
+     * \[0, [`Number.MAX_SAFE_INTEGER`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER)\] range. If `fd` is specified and `start` is
+     * omitted or `undefined`, `fs.createReadStream()` reads sequentially from the
+     * current file position. The `encoding` can be any one of those accepted by `Buffer`.
+     *
+     * If `fd` is specified, `ReadStream` will ignore the `path` argument and will use
+     * the specified file descriptor. This means that no `'open'` event will be
+     * emitted. `fd` should be blocking; non-blocking `fd`s should be passed to `net.Socket`.
+     *
+     * If `fd` points to a character device that only supports blocking reads
+     * (such as keyboard or sound card), read operations do not finish until data is
+     * available. This can prevent the process from exiting and the stream from
+     * closing naturally.
+     *
+     * By default, the stream will emit a `'close'` event after it has been
+     * destroyed.  Set the `emitClose` option to `false` to change this behavior.
+     *
+     * By providing the `fs` option, it is possible to override the corresponding `fs`implementations for `open`, `read`, and `close`. When providing the `fs` option,
+     * an override for `read` is required. If no `fd` is provided, an override for`open` is also required. If `autoClose` is `true`, an override for `close` is
+     * also required.
+     *
+     * ```js
+     * import { createReadStream } from 'fs';
+     *
+     * // Create a stream from some character device.
+     * const stream = createReadStream('/dev/input/event0');
+     * setTimeout(() => {
+     *   stream.close(); // This may not close the stream.
+     *   // Artificially marking end-of-stream, as if the underlying resource had
+     *   // indicated end-of-file by itself, allows the stream to close.
+     *   // This does not cancel pending read operations, and if there is such an
+     *   // operation, the process may still not be able to exit successfully
+     *   // until it finishes.
+     *   stream.push(null);
+     *   stream.read(0);
+     * }, 100);
+     * ```
+     *
+     * If `autoClose` is false, then the file descriptor won't be closed, even if
+     * there's an error. It is the application's responsibility to close it and make
+     * sure there's no file descriptor leak. If `autoClose` is set to true (default
+     * behavior), on `'error'` or `'end'` the file descriptor will be closed
+     * automatically.
+     *
+     * `mode` sets the file mode (permission and sticky bits), but only if the
+     * file was created.
+     *
+     * An example to read the last 10 bytes of a file which is 100 bytes long:
+     *
+     * ```js
+     * import { createReadStream } from 'fs';
+     *
+     * createReadStream('sample.txt', { start: 90, end: 99 });
+     * ```
+     *
+     * If `options` is a string, then it specifies the encoding.
+     * @since v0.1.31
+     */
+    export function createReadStream(path: PathLike, options?: BufferEncoding | ReadStreamOptions): ReadStream;
+    /**
+     * `options` may also include a `start` option to allow writing data at some
+     * position past the beginning of the file, allowed values are in the
+     * \[0, [`Number.MAX_SAFE_INTEGER`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER)\] range. Modifying a file rather than
+     * replacing it may require the `flags` option to be set to `r+` rather than the
+     * default `w`. The `encoding` can be any one of those accepted by `Buffer`.
+     *
+     * If `autoClose` is set to true (default behavior) on `'error'` or `'finish'`the file descriptor will be closed automatically. If `autoClose` is false,
+     * then the file descriptor won't be closed, even if there's an error.
+     * It is the application's responsibility to close it and make sure there's no
+     * file descriptor leak.
+     *
+     * By default, the stream will emit a `'close'` event after it has been
+     * destroyed.  Set the `emitClose` option to `false` to change this behavior.
+     *
+     * By providing the `fs` option it is possible to override the corresponding `fs`implementations for `open`, `write`, `writev` and `close`. Overriding `write()`without `writev()` can reduce
+     * performance as some optimizations (`_writev()`)
+     * will be disabled. When providing the `fs` option, overrides for at least one of`write` and `writev` are required. If no `fd` option is supplied, an override
+     * for `open` is also required. If `autoClose` is `true`, an override for `close`is also required.
+     *
+     * Like `fs.ReadStream`, if `fd` is specified, `fs.WriteStream` will ignore the`path` argument and will use the specified file descriptor. This means that no`'open'` event will be
+     * emitted. `fd` should be blocking; non-blocking `fd`s
+     * should be passed to `net.Socket`.
+     *
+     * If `options` is a string, then it specifies the encoding.
+     * @since v0.1.31
+     */
+    export function createWriteStream(path: PathLike, options?: BufferEncoding | StreamOptions): WriteStream;
+    /**
+     * Forces all currently queued I/O operations associated with the file to the
+     * operating system's synchronized I/O completion state. Refer to the POSIX [`fdatasync(2)`](http://man7.org/linux/man-pages/man2/fdatasync.2.html) documentation for details. No arguments other
+     * than a possible
+     * exception are given to the completion callback.
+     * @since v0.1.96
+     */
+    export function fdatasync(fd: number, callback: NoParamCallback): void;
+    export namespace fdatasync {
+        /**
+         * Asynchronous fdatasync(2) - synchronize a file's in-core state with storage device.
+         * @param fd A file descriptor.
+         */
+        function __promisify__(fd: number): Promise<void>;
+    }
+    /**
+     * Forces all currently queued I/O operations associated with the file to the
+     * operating system's synchronized I/O completion state. Refer to the POSIX [`fdatasync(2)`](http://man7.org/linux/man-pages/man2/fdatasync.2.html) documentation for details. Returns `undefined`.
+     * @since v0.1.96
+     */
+    export function fdatasyncSync(fd: number): void;
+    /**
+     * Asynchronously copies `src` to `dest`. By default, `dest` is overwritten if it
+     * already exists. No arguments other than a possible exception are given to the
+     * callback function. Node.js makes no guarantees about the atomicity of the copy
+     * operation. If an error occurs after the destination file has been opened for
+     * writing, Node.js will attempt to remove the destination.
+     *
+     * `mode` is an optional integer that specifies the behavior
+     * of the copy operation. It is possible to create a mask consisting of the bitwise
+     * OR of two or more values (e.g.`fs.constants.COPYFILE_EXCL | fs.constants.COPYFILE_FICLONE`).
+     *
+     * * `fs.constants.COPYFILE_EXCL`: The copy operation will fail if `dest` already
+     * exists.
+     * * `fs.constants.COPYFILE_FICLONE`: The copy operation will attempt to create a
+     * copy-on-write reflink. If the platform does not support copy-on-write, then a
+     * fallback copy mechanism is used.
+     * * `fs.constants.COPYFILE_FICLONE_FORCE`: The copy operation will attempt to
+     * create a copy-on-write reflink. If the platform does not support
+     * copy-on-write, then the operation will fail.
+     *
+     * ```js
+     * import { copyFile, constants } from 'fs';
+     *
+     * function callback(err) {
+     *   if (err) throw err;
+     *   console.log('source.txt was copied to destination.txt');
+     * }
+     *
+     * // destination.txt will be created or overwritten by default.
+     * copyFile('source.txt', 'destination.txt', callback);
+     *
+     * // By using COPYFILE_EXCL, the operation will fail if destination.txt exists.
+     * copyFile('source.txt', 'destination.txt', constants.COPYFILE_EXCL, callback);
+     * ```
+     * @since v8.5.0
+     * @param src source filename to copy
+     * @param dest destination filename of the copy operation
+     * @param [mode=0] modifiers for copy operation.
+     */
+    export function copyFile(src: PathLike, dest: PathLike, callback: NoParamCallback): void;
+    export function copyFile(src: PathLike, dest: PathLike, mode: number, callback: NoParamCallback): void;
+    export namespace copyFile {
+        function __promisify__(src: PathLike, dst: PathLike, mode?: number): Promise<void>;
+    }
+    /**
+     * Synchronously copies `src` to `dest`. By default, `dest` is overwritten if it
+     * already exists. Returns `undefined`. Node.js makes no guarantees about the
+     * atomicity of the copy operation. If an error occurs after the destination file
+     * has been opened for writing, Node.js will attempt to remove the destination.
+     *
+     * `mode` is an optional integer that specifies the behavior
+     * of the copy operation. It is possible to create a mask consisting of the bitwise
+     * OR of two or more values (e.g.`fs.constants.COPYFILE_EXCL | fs.constants.COPYFILE_FICLONE`).
+     *
+     * * `fs.constants.COPYFILE_EXCL`: The copy operation will fail if `dest` already
+     * exists.
+     * * `fs.constants.COPYFILE_FICLONE`: The copy operation will attempt to create a
+     * copy-on-write reflink. If the platform does not support copy-on-write, then a
+     * fallback copy mechanism is used.
+     * * `fs.constants.COPYFILE_FICLONE_FORCE`: The copy operation will attempt to
+     * create a copy-on-write reflink. If the platform does not support
+     * copy-on-write, then the operation will fail.
+     *
+     * ```js
+     * import { copyFileSync, constants } from 'fs';
+     *
+     * // destination.txt will be created or overwritten by default.
+     * copyFileSync('source.txt', 'destination.txt');
+     * console.log('source.txt was copied to destination.txt');
+     *
+     * // By using COPYFILE_EXCL, the operation will fail if destination.txt exists.
+     * copyFileSync('source.txt', 'destination.txt', constants.COPYFILE_EXCL);
+     * ```
+     * @since v8.5.0
+     * @param src source filename to copy
+     * @param dest destination filename of the copy operation
+     * @param [mode=0] modifiers for copy operation.
+     */
+    export function copyFileSync(src: PathLike, dest: PathLike, mode?: number): void;
+    /**
+     * Write an array of `ArrayBufferView`s to the file specified by `fd` using`writev()`.
+     *
+     * `position` is the offset from the beginning of the file where this data
+     * should be written. If `typeof position !== 'number'`, the data will be written
+     * at the current position.
+     *
+     * The callback will be given three arguments: `err`, `bytesWritten`, and`buffers`. `bytesWritten` is how many bytes were written from `buffers`.
+     *
+     * If this method is `util.promisify()` ed, it returns a promise for an`Object` with `bytesWritten` and `buffers` properties.
+     *
+     * It is unsafe to use `fs.writev()` multiple times on the same file without
+     * waiting for the callback. For this scenario, use {@link createWriteStream}.
+     *
+     * On Linux, positional writes don't work when the file is opened in append mode.
+     * The kernel ignores the position argument and always appends the data to
+     * the end of the file.
+     * @since v12.9.0
+     */
+    export function writev(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, cb: (err: NodeJS.ErrnoException | null, bytesWritten: number, buffers: NodeJS.ArrayBufferView[]) => void): void;
+    export function writev(
+        fd: number,
+        buffers: ReadonlyArray<NodeJS.ArrayBufferView>,
+        position: number,
+        cb: (err: NodeJS.ErrnoException | null, bytesWritten: number, buffers: NodeJS.ArrayBufferView[]) => void
+    ): void;
+    export interface WriteVResult {
+        bytesWritten: number;
+        buffers: NodeJS.ArrayBufferView[];
+    }
+    export namespace writev {
+        function __promisify__(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): Promise<WriteVResult>;
+    }
+    /**
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link writev}.
+     * @since v12.9.0
+     * @return The number of bytes written.
+     */
+    export function writevSync(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): number;
+    /**
+     * Read from a file specified by `fd` and write to an array of `ArrayBufferView`s
+     * using `readv()`.
+     *
+     * `position` is the offset from the beginning of the file from where data
+     * should be read. If `typeof position !== 'number'`, the data will be read
+     * from the current position.
+     *
+     * The callback will be given three arguments: `err`, `bytesRead`, and`buffers`. `bytesRead` is how many bytes were read from the file.
+     *
+     * If this method is invoked as its `util.promisify()` ed version, it returns
+     * a promise for an `Object` with `bytesRead` and `buffers` properties.
+     * @since v13.13.0, v12.17.0
+     */
+    export function readv(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, cb: (err: NodeJS.ErrnoException | null, bytesRead: number, buffers: NodeJS.ArrayBufferView[]) => void): void;
+    export function readv(
+        fd: number,
+        buffers: ReadonlyArray<NodeJS.ArrayBufferView>,
+        position: number,
+        cb: (err: NodeJS.ErrnoException | null, bytesRead: number, buffers: NodeJS.ArrayBufferView[]) => void
+    ): void;
+    export interface ReadVResult {
+        bytesRead: number;
+        buffers: NodeJS.ArrayBufferView[];
+    }
+    export namespace readv {
+        function __promisify__(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): Promise<ReadVResult>;
+    }
+    /**
+     * For detailed information, see the documentation of the asynchronous version of
+     * this API: {@link readv}.
+     * @since v13.13.0, v12.17.0
+     * @return The number of bytes read.
+     */
+    export function readvSync(fd: number, buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): number;
+    export interface OpenDirOptions {
+        encoding?: BufferEncoding | undefined;
+        /**
+         * Number of directory entries that are buffered
+         * internally when reading from the directory. Higher values lead to better
+         * performance but higher memory usage.
+         * @default 32
+         */
+        bufferSize?: number | undefined;
+    }
+    /**
+     * Synchronously open a directory. See [`opendir(3)`](http://man7.org/linux/man-pages/man3/opendir.3.html).
+     *
+     * Creates an `fs.Dir`, which contains all further functions for reading from
+     * and cleaning up the directory.
+     *
+     * The `encoding` option sets the encoding for the `path` while opening the
+     * directory and subsequent read operations.
+     * @since v12.12.0
+     */
+    export function opendirSync(path: PathLike, options?: OpenDirOptions): Dir;
+    /**
+     * Asynchronously open a directory. See the POSIX [`opendir(3)`](http://man7.org/linux/man-pages/man3/opendir.3.html) documentation for
+     * more details.
+     *
+     * Creates an `fs.Dir`, which contains all further functions for reading from
+     * and cleaning up the directory.
+     *
+     * The `encoding` option sets the encoding for the `path` while opening the
+     * directory and subsequent read operations.
+     * @since v12.12.0
+     */
+    export function opendir(path: PathLike, cb: (err: NodeJS.ErrnoException | null, dir: Dir) => void): void;
+    export function opendir(path: PathLike, options: OpenDirOptions, cb: (err: NodeJS.ErrnoException | null, dir: Dir) => void): void;
+    export namespace opendir {
+        function __promisify__(path: PathLike, options?: OpenDirOptions): Promise<Dir>;
+    }
+    export interface BigIntStats extends StatsBase<bigint> {
+        atimeNs: bigint;
+        mtimeNs: bigint;
+        ctimeNs: bigint;
+        birthtimeNs: bigint;
+    }
+    export interface BigIntOptions {
+        bigint: true;
+    }
+    export interface StatOptions {
+        bigint?: boolean | undefined;
+    }
+    export interface StatSyncOptions extends StatOptions {
+        throwIfNoEntry?: boolean | undefined;
+    }
+    interface CopyOptionsBase {
+        /**
+         * Dereference symlinks
+         * @default false
+         */
+        dereference?: boolean;
+        /**
+         * When `force` is `false`, and the destination
+         * exists, throw an error.
+         * @default false
+         */
+        errorOnExist?: boolean;
+        /**
+         * Overwrite existing file or directory. _The copy
+         * operation will ignore errors if you set this to false and the destination
+         * exists. Use the `errorOnExist` option to change this behavior.
+         * @default true
+         */
+        force?: boolean;
+        /**
+         * When `true` timestamps from `src` will
+         * be preserved.
+         * @default false
+         */
+        preserveTimestamps?: boolean;
+        /**
+         * Copy directories recursively.
+         * @default false
+         */
+        recursive?: boolean;
+        /**
+         * When true, path resolution for symlinks will be skipped
+         * @default false
+         */
+        verbatimSymlinks?: boolean;
+    }
+    export interface CopyOptions extends CopyOptionsBase {
+        /**
+         * Function to filter copied files/directories. Return
+         * `true` to copy the item, `false` to ignore it.
+         */
+        filter?(source: string, destination: string): boolean | Promise<boolean>;
+    }
+    export interface CopySyncOptions extends CopyOptionsBase {
+        /**
+         * Function to filter copied files/directories. Return
+         * `true` to copy the item, `false` to ignore it.
+         */
+        filter?(source: string, destination: string): boolean;
+    }
+    /**
+     * Asynchronously copies the entire directory structure from `src` to `dest`,
+     * including subdirectories and files.
+     *
+     * When copying a directory to another directory, globs are not supported and
+     * behavior is similar to `cp dir1/ dir2/`.
+     * @since v16.7.0
+     * @experimental
+     * @param src source path to copy.
+     * @param dest destination path to copy to.
+     */
+    export function cp(source: string | URL, destination: string | URL, callback: (err: NodeJS.ErrnoException | null) => void): void;
+    export function cp(source: string | URL, destination: string | URL, opts: CopyOptions, callback: (err: NodeJS.ErrnoException | null) => void): void;
+    /**
+     * Synchronously copies the entire directory structure from `src` to `dest`,
+     * including subdirectories and files.
+     *
+     * When copying a directory to another directory, globs are not supported and
+     * behavior is similar to `cp dir1/ dir2/`.
+     * @since v16.7.0
+     * @experimental
+     * @param src source path to copy.
+     * @param dest destination path to copy to.
+     */
+    export function cpSync(source: string | URL, destination: string | URL, opts?: CopySyncOptions): void;
+}
+declare module 'node:fs' {
+    export * from 'fs';
+}
diff --git a/node_modules/@types/node/ts4.8/fs/promises.d.ts b/node_modules/@types/node/ts4.8/fs/promises.d.ts
new file mode 100644
index 000000000..9d0b5f109
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/fs/promises.d.ts
@@ -0,0 +1,1120 @@
+/**
+ * The `fs/promises` API provides asynchronous file system methods that return
+ * promises.
+ *
+ * The promise APIs use the underlying Node.js threadpool to perform file
+ * system operations off the event loop thread. These operations are not
+ * synchronized or threadsafe. Care must be taken when performing multiple
+ * concurrent modifications on the same file or data corruption may occur.
+ * @since v10.0.0
+ */
+declare module 'fs/promises' {
+    import { Abortable } from 'node:events';
+    import { Stream } from 'node:stream';
+    import { ReadableStream } from 'node:stream/web';
+    import {
+        BigIntStats,
+        BufferEncodingOption,
+        constants as fsConstants,
+        CopyOptions,
+        Dir,
+        Dirent,
+        MakeDirectoryOptions,
+        Mode,
+        ObjectEncodingOptions,
+        OpenDirOptions,
+        OpenMode,
+        PathLike,
+        ReadStream,
+        ReadVResult,
+        RmDirOptions,
+        RmOptions,
+        StatOptions,
+        Stats,
+        TimeLike,
+        WatchEventType,
+        WatchOptions,
+        WriteStream,
+        WriteVResult,
+    } from 'node:fs';
+
+    interface FileChangeInfo<T extends string | Buffer> {
+        eventType: WatchEventType;
+        filename: T;
+    }
+    interface FlagAndOpenMode {
+        mode?: Mode | undefined;
+        flag?: OpenMode | undefined;
+    }
+    interface FileReadResult<T extends NodeJS.ArrayBufferView> {
+        bytesRead: number;
+        buffer: T;
+    }
+    interface FileReadOptions<T extends NodeJS.ArrayBufferView = Buffer> {
+        /**
+         * @default `Buffer.alloc(0xffff)`
+         */
+        buffer?: T;
+        /**
+         * @default 0
+         */
+        offset?: number | null;
+        /**
+         * @default `buffer.byteLength`
+         */
+        length?: number | null;
+        position?: number | null;
+    }
+    interface CreateReadStreamOptions {
+        encoding?: BufferEncoding | null | undefined;
+        autoClose?: boolean | undefined;
+        emitClose?: boolean | undefined;
+        start?: number | undefined;
+        end?: number | undefined;
+        highWaterMark?: number | undefined;
+    }
+    interface CreateWriteStreamOptions {
+        encoding?: BufferEncoding | null | undefined;
+        autoClose?: boolean | undefined;
+        emitClose?: boolean | undefined;
+        start?: number | undefined;
+    }
+    // TODO: Add `EventEmitter` close
+    interface FileHandle {
+        /**
+         * The numeric file descriptor managed by the {FileHandle} object.
+         * @since v10.0.0
+         */
+        readonly fd: number;
+        /**
+         * Alias of `filehandle.writeFile()`.
+         *
+         * When operating on file handles, the mode cannot be changed from what it was set
+         * to with `fsPromises.open()`. Therefore, this is equivalent to `filehandle.writeFile()`.
+         * @since v10.0.0
+         * @return Fulfills with `undefined` upon success.
+         */
+        appendFile(data: string | Uint8Array, options?: (ObjectEncodingOptions & FlagAndOpenMode) | BufferEncoding | null): Promise<void>;
+        /**
+         * Changes the ownership of the file. A wrapper for [`chown(2)`](http://man7.org/linux/man-pages/man2/chown.2.html).
+         * @since v10.0.0
+         * @param uid The file's new owner's user id.
+         * @param gid The file's new group's group id.
+         * @return Fulfills with `undefined` upon success.
+         */
+        chown(uid: number, gid: number): Promise<void>;
+        /**
+         * Modifies the permissions on the file. See [`chmod(2)`](http://man7.org/linux/man-pages/man2/chmod.2.html).
+         * @since v10.0.0
+         * @param mode the file mode bit mask.
+         * @return Fulfills with `undefined` upon success.
+         */
+        chmod(mode: Mode): Promise<void>;
+        /**
+         * Unlike the 16 kb default `highWaterMark` for a `stream.Readable`, the stream
+         * returned by this method has a default `highWaterMark` of 64 kb.
+         *
+         * `options` can include `start` and `end` values to read a range of bytes from
+         * the file instead of the entire file. Both `start` and `end` are inclusive and
+         * start counting at 0, allowed values are in the
+         * \[0, [`Number.MAX_SAFE_INTEGER`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER)\] range. If `start` is
+         * omitted or `undefined`, `filehandle.createReadStream()` reads sequentially from
+         * the current file position. The `encoding` can be any one of those accepted by `Buffer`.
+         *
+         * If the `FileHandle` points to a character device that only supports blocking
+         * reads (such as keyboard or sound card), read operations do not finish until data
+         * is available. This can prevent the process from exiting and the stream from
+         * closing naturally.
+         *
+         * By default, the stream will emit a `'close'` event after it has been
+         * destroyed.  Set the `emitClose` option to `false` to change this behavior.
+         *
+         * ```js
+         * import { open } from 'fs/promises';
+         *
+         * const fd = await open('/dev/input/event0');
+         * // Create a stream from some character device.
+         * const stream = fd.createReadStream();
+         * setTimeout(() => {
+         *   stream.close(); // This may not close the stream.
+         *   // Artificially marking end-of-stream, as if the underlying resource had
+         *   // indicated end-of-file by itself, allows the stream to close.
+         *   // This does not cancel pending read operations, and if there is such an
+         *   // operation, the process may still not be able to exit successfully
+         *   // until it finishes.
+         *   stream.push(null);
+         *   stream.read(0);
+         * }, 100);
+         * ```
+         *
+         * If `autoClose` is false, then the file descriptor won't be closed, even if
+         * there's an error. It is the application's responsibility to close it and make
+         * sure there's no file descriptor leak. If `autoClose` is set to true (default
+         * behavior), on `'error'` or `'end'` the file descriptor will be closed
+         * automatically.
+         *
+         * An example to read the last 10 bytes of a file which is 100 bytes long:
+         *
+         * ```js
+         * import { open } from 'fs/promises';
+         *
+         * const fd = await open('sample.txt');
+         * fd.createReadStream({ start: 90, end: 99 });
+         * ```
+         * @since v16.11.0
+         */
+        createReadStream(options?: CreateReadStreamOptions): ReadStream;
+        /**
+         * `options` may also include a `start` option to allow writing data at some
+         * position past the beginning of the file, allowed values are in the
+         * \[0, [`Number.MAX_SAFE_INTEGER`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER)\] range. Modifying a file rather than
+         * replacing it may require the `flags` `open` option to be set to `r+` rather than
+         * the default `r`. The `encoding` can be any one of those accepted by `Buffer`.
+         *
+         * If `autoClose` is set to true (default behavior) on `'error'` or `'finish'`the file descriptor will be closed automatically. If `autoClose` is false,
+         * then the file descriptor won't be closed, even if there's an error.
+         * It is the application's responsibility to close it and make sure there's no
+         * file descriptor leak.
+         *
+         * By default, the stream will emit a `'close'` event after it has been
+         * destroyed.  Set the `emitClose` option to `false` to change this behavior.
+         * @since v16.11.0
+         */
+        createWriteStream(options?: CreateWriteStreamOptions): WriteStream;
+        /**
+         * Forces all currently queued I/O operations associated with the file to the
+         * operating system's synchronized I/O completion state. Refer to the POSIX [`fdatasync(2)`](http://man7.org/linux/man-pages/man2/fdatasync.2.html) documentation for details.
+         *
+         * Unlike `filehandle.sync` this method does not flush modified metadata.
+         * @since v10.0.0
+         * @return Fulfills with `undefined` upon success.
+         */
+        datasync(): Promise<void>;
+        /**
+         * Request that all data for the open file descriptor is flushed to the storage
+         * device. The specific implementation is operating system and device specific.
+         * Refer to the POSIX [`fsync(2)`](http://man7.org/linux/man-pages/man2/fsync.2.html) documentation for more detail.
+         * @since v10.0.0
+         * @return Fufills with `undefined` upon success.
+         */
+        sync(): Promise<void>;
+        /**
+         * Reads data from the file and stores that in the given buffer.
+         *
+         * If the file is not modified concurrently, the end-of-file is reached when the
+         * number of bytes read is zero.
+         * @since v10.0.0
+         * @param buffer A buffer that will be filled with the file data read.
+         * @param offset The location in the buffer at which to start filling.
+         * @param length The number of bytes to read.
+         * @param position The location where to begin reading data from the file. If `null`, data will be read from the current file position, and the position will be updated. If `position` is an
+         * integer, the current file position will remain unchanged.
+         * @return Fulfills upon success with an object with two properties:
+         */
+        read<T extends NodeJS.ArrayBufferView>(buffer: T, offset?: number | null, length?: number | null, position?: number | null): Promise<FileReadResult<T>>;
+        read<T extends NodeJS.ArrayBufferView = Buffer>(options?: FileReadOptions<T>): Promise<FileReadResult<T>>;
+        /**
+         * Returns a `ReadableStream` that may be used to read the files data.
+         *
+         * An error will be thrown if this method is called more than once or is called after the `FileHandle` is closed
+         * or closing.
+         *
+         * ```js
+         * import { open } from 'node:fs/promises';
+         *
+         * const file = await open('./some/file/to/read');
+         *
+         * for await (const chunk of file.readableWebStream())
+         *   console.log(chunk);
+         *
+         * await file.close();
+         * ```
+         *
+         * While the `ReadableStream` will read the file to completion, it will not close the `FileHandle` automatically. User code must still call the `fileHandle.close()` method.
+         *
+         * @since v17.0.0
+         * @experimental
+         */
+        readableWebStream(): ReadableStream;
+        /**
+         * Asynchronously reads the entire contents of a file.
+         *
+         * If `options` is a string, then it specifies the `encoding`.
+         *
+         * The `FileHandle` has to support reading.
+         *
+         * If one or more `filehandle.read()` calls are made on a file handle and then a`filehandle.readFile()` call is made, the data will be read from the current
+         * position till the end of the file. It doesn't always read from the beginning
+         * of the file.
+         * @since v10.0.0
+         * @return Fulfills upon a successful read with the contents of the file. If no encoding is specified (using `options.encoding`), the data is returned as a {Buffer} object. Otherwise, the
+         * data will be a string.
+         */
+        readFile(
+            options?: {
+                encoding?: null | undefined;
+                flag?: OpenMode | undefined;
+            } | null
+        ): Promise<Buffer>;
+        /**
+         * Asynchronously reads the entire contents of a file. The underlying file will _not_ be closed automatically.
+         * The `FileHandle` must have been opened for reading.
+         * @param options An object that may contain an optional flag.
+         * If a flag is not provided, it defaults to `'r'`.
+         */
+        readFile(
+            options:
+                | {
+                      encoding: BufferEncoding;
+                      flag?: OpenMode | undefined;
+                  }
+                | BufferEncoding
+        ): Promise<string>;
+        /**
+         * Asynchronously reads the entire contents of a file. The underlying file will _not_ be closed automatically.
+         * The `FileHandle` must have been opened for reading.
+         * @param options An object that may contain an optional flag.
+         * If a flag is not provided, it defaults to `'r'`.
+         */
+        readFile(
+            options?:
+                | (ObjectEncodingOptions & {
+                      flag?: OpenMode | undefined;
+                  })
+                | BufferEncoding
+                | null
+        ): Promise<string | Buffer>;
+        /**
+         * @since v10.0.0
+         * @return Fulfills with an {fs.Stats} for the file.
+         */
+        stat(
+            opts?: StatOptions & {
+                bigint?: false | undefined;
+            }
+        ): Promise<Stats>;
+        stat(
+            opts: StatOptions & {
+                bigint: true;
+            }
+        ): Promise<BigIntStats>;
+        stat(opts?: StatOptions): Promise<Stats | BigIntStats>;
+        /**
+         * Truncates the file.
+         *
+         * If the file was larger than `len` bytes, only the first `len` bytes will be
+         * retained in the file.
+         *
+         * The following example retains only the first four bytes of the file:
+         *
+         * ```js
+         * import { open } from 'fs/promises';
+         *
+         * let filehandle = null;
+         * try {
+         *   filehandle = await open('temp.txt', 'r+');
+         *   await filehandle.truncate(4);
+         * } finally {
+         *   await filehandle?.close();
+         * }
+         * ```
+         *
+         * If the file previously was shorter than `len` bytes, it is extended, and the
+         * extended part is filled with null bytes (`'\0'`):
+         *
+         * If `len` is negative then `0` will be used.
+         * @since v10.0.0
+         * @param [len=0]
+         * @return Fulfills with `undefined` upon success.
+         */
+        truncate(len?: number): Promise<void>;
+        /**
+         * Change the file system timestamps of the object referenced by the `FileHandle` then resolves the promise with no arguments upon success.
+         * @since v10.0.0
+         */
+        utimes(atime: TimeLike, mtime: TimeLike): Promise<void>;
+        /**
+         * Asynchronously writes data to a file, replacing the file if it already exists.`data` can be a string, a buffer, an
+         * [AsyncIterable](https://tc39.github.io/ecma262/#sec-asynciterable-interface) or
+         * [Iterable](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols#The_iterable_protocol) object.
+         * The promise is resolved with no arguments upon success.
+         *
+         * If `options` is a string, then it specifies the `encoding`.
+         *
+         * The `FileHandle` has to support writing.
+         *
+         * It is unsafe to use `filehandle.writeFile()` multiple times on the same file
+         * without waiting for the promise to be resolved (or rejected).
+         *
+         * If one or more `filehandle.write()` calls are made on a file handle and then a`filehandle.writeFile()` call is made, the data will be written from the
+         * current position till the end of the file. It doesn't always write from the
+         * beginning of the file.
+         * @since v10.0.0
+         */
+        writeFile(data: string | Uint8Array, options?: (ObjectEncodingOptions & FlagAndOpenMode & Abortable) | BufferEncoding | null): Promise<void>;
+        /**
+         * Write `buffer` to the file.
+         *
+         * The promise is resolved with an object containing two properties:
+         *
+         * It is unsafe to use `filehandle.write()` multiple times on the same file
+         * without waiting for the promise to be resolved (or rejected). For this
+         * scenario, use `filehandle.createWriteStream()`.
+         *
+         * On Linux, positional writes do not work when the file is opened in append mode.
+         * The kernel ignores the position argument and always appends the data to
+         * the end of the file.
+         * @since v10.0.0
+         * @param [offset=0] The start position from within `buffer` where the data to write begins.
+         * @param [length=buffer.byteLength - offset] The number of bytes from `buffer` to write.
+         * @param position The offset from the beginning of the file where the data from `buffer` should be written. If `position` is not a `number`, the data will be written at the current position.
+         * See the POSIX pwrite(2) documentation for more detail.
+         */
+        write<TBuffer extends Uint8Array>(
+            buffer: TBuffer,
+            offset?: number | null,
+            length?: number | null,
+            position?: number | null
+        ): Promise<{
+            bytesWritten: number;
+            buffer: TBuffer;
+        }>;
+        write(
+            data: string,
+            position?: number | null,
+            encoding?: BufferEncoding | null
+        ): Promise<{
+            bytesWritten: number;
+            buffer: string;
+        }>;
+        /**
+         * Write an array of [ArrayBufferView](https://developer.mozilla.org/en-US/docs/Web/API/ArrayBufferView) s to the file.
+         *
+         * The promise is resolved with an object containing a two properties:
+         *
+         * It is unsafe to call `writev()` multiple times on the same file without waiting
+         * for the promise to be resolved (or rejected).
+         *
+         * On Linux, positional writes don't work when the file is opened in append mode.
+         * The kernel ignores the position argument and always appends the data to
+         * the end of the file.
+         * @since v12.9.0
+         * @param position The offset from the beginning of the file where the data from `buffers` should be written. If `position` is not a `number`, the data will be written at the current
+         * position.
+         */
+        writev(buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): Promise<WriteVResult>;
+        /**
+         * Read from a file and write to an array of [ArrayBufferView](https://developer.mozilla.org/en-US/docs/Web/API/ArrayBufferView) s
+         * @since v13.13.0, v12.17.0
+         * @param position The offset from the beginning of the file where the data should be read from. If `position` is not a `number`, the data will be read from the current position.
+         * @return Fulfills upon success an object containing two properties:
+         */
+        readv(buffers: ReadonlyArray<NodeJS.ArrayBufferView>, position?: number): Promise<ReadVResult>;
+        /**
+         * Closes the file handle after waiting for any pending operation on the handle to
+         * complete.
+         *
+         * ```js
+         * import { open } from 'fs/promises';
+         *
+         * let filehandle;
+         * try {
+         *   filehandle = await open('thefile.txt', 'r');
+         * } finally {
+         *   await filehandle?.close();
+         * }
+         * ```
+         * @since v10.0.0
+         * @return Fulfills with `undefined` upon success.
+         */
+        close(): Promise<void>;
+    }
+
+    const constants: typeof fsConstants;
+
+    /**
+     * Tests a user's permissions for the file or directory specified by `path`.
+     * The `mode` argument is an optional integer that specifies the accessibility
+     * checks to be performed. `mode` should be either the value `fs.constants.F_OK`or a mask consisting of the bitwise OR of any of `fs.constants.R_OK`,`fs.constants.W_OK`, and `fs.constants.X_OK`
+     * (e.g.`fs.constants.W_OK | fs.constants.R_OK`). Check `File access constants` for
+     * possible values of `mode`.
+     *
+     * If the accessibility check is successful, the promise is resolved with no
+     * value. If any of the accessibility checks fail, the promise is rejected
+     * with an [Error](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error) object. The following example checks if the file`/etc/passwd` can be read and
+     * written by the current process.
+     *
+     * ```js
+     * import { access } from 'fs/promises';
+     * import { constants } from 'fs';
+     *
+     * try {
+     *   await access('/etc/passwd', constants.R_OK | constants.W_OK);
+     *   console.log('can access');
+     * } catch {
+     *   console.error('cannot access');
+     * }
+     * ```
+     *
+     * Using `fsPromises.access()` to check for the accessibility of a file before
+     * calling `fsPromises.open()` is not recommended. Doing so introduces a race
+     * condition, since other processes may change the file's state between the two
+     * calls. Instead, user code should open/read/write the file directly and handle
+     * the error raised if the file is not accessible.
+     * @since v10.0.0
+     * @param [mode=fs.constants.F_OK]
+     * @return Fulfills with `undefined` upon success.
+     */
+    function access(path: PathLike, mode?: number): Promise<void>;
+    /**
+     * Asynchronously copies `src` to `dest`. By default, `dest` is overwritten if it
+     * already exists.
+     *
+     * No guarantees are made about the atomicity of the copy operation. If an
+     * error occurs after the destination file has been opened for writing, an attempt
+     * will be made to remove the destination.
+     *
+     * ```js
+     * import { constants } from 'fs';
+     * import { copyFile } from 'fs/promises';
+     *
+     * try {
+     *   await copyFile('source.txt', 'destination.txt');
+     *   console.log('source.txt was copied to destination.txt');
+     * } catch {
+     *   console.log('The file could not be copied');
+     * }
+     *
+     * // By using COPYFILE_EXCL, the operation will fail if destination.txt exists.
+     * try {
+     *   await copyFile('source.txt', 'destination.txt', constants.COPYFILE_EXCL);
+     *   console.log('source.txt was copied to destination.txt');
+     * } catch {
+     *   console.log('The file could not be copied');
+     * }
+     * ```
+     * @since v10.0.0
+     * @param src source filename to copy
+     * @param dest destination filename of the copy operation
+     * @param [mode=0] Optional modifiers that specify the behavior of the copy operation. It is possible to create a mask consisting of the bitwise OR of two or more values (e.g.
+     * `fs.constants.COPYFILE_EXCL | fs.constants.COPYFILE_FICLONE`)
+     * @return Fulfills with `undefined` upon success.
+     */
+    function copyFile(src: PathLike, dest: PathLike, mode?: number): Promise<void>;
+    /**
+     * Opens a `FileHandle`.
+     *
+     * Refer to the POSIX [`open(2)`](http://man7.org/linux/man-pages/man2/open.2.html) documentation for more detail.
+     *
+     * Some characters (`< > : " / \ | ? *`) are reserved under Windows as documented
+     * by [Naming Files, Paths, and Namespaces](https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file). Under NTFS, if the filename contains
+     * a colon, Node.js will open a file system stream, as described by [this MSDN page](https://docs.microsoft.com/en-us/windows/desktop/FileIO/using-streams).
+     * @since v10.0.0
+     * @param [flags='r'] See `support of file system `flags``.
+     * @param [mode=0o666] Sets the file mode (permission and sticky bits) if the file is created.
+     * @return Fulfills with a {FileHandle} object.
+     */
+    function open(path: PathLike, flags?: string | number, mode?: Mode): Promise<FileHandle>;
+    /**
+     * Renames `oldPath` to `newPath`.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function rename(oldPath: PathLike, newPath: PathLike): Promise<void>;
+    /**
+     * Truncates (shortens or extends the length) of the content at `path` to `len`bytes.
+     * @since v10.0.0
+     * @param [len=0]
+     * @return Fulfills with `undefined` upon success.
+     */
+    function truncate(path: PathLike, len?: number): Promise<void>;
+    /**
+     * Removes the directory identified by `path`.
+     *
+     * Using `fsPromises.rmdir()` on a file (not a directory) results in the
+     * promise being rejected with an `ENOENT` error on Windows and an `ENOTDIR`error on POSIX.
+     *
+     * To get a behavior similar to the `rm -rf` Unix command, use `fsPromises.rm()` with options `{ recursive: true, force: true }`.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function rmdir(path: PathLike, options?: RmDirOptions): Promise<void>;
+    /**
+     * Removes files and directories (modeled on the standard POSIX `rm` utility).
+     * @since v14.14.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function rm(path: PathLike, options?: RmOptions): Promise<void>;
+    /**
+     * Asynchronously creates a directory.
+     *
+     * The optional `options` argument can be an integer specifying `mode` (permission
+     * and sticky bits), or an object with a `mode` property and a `recursive`property indicating whether parent directories should be created. Calling`fsPromises.mkdir()` when `path` is a directory
+     * that exists results in a
+     * rejection only when `recursive` is false.
+     * @since v10.0.0
+     * @return Upon success, fulfills with `undefined` if `recursive` is `false`, or the first directory path created if `recursive` is `true`.
+     */
+    function mkdir(
+        path: PathLike,
+        options: MakeDirectoryOptions & {
+            recursive: true;
+        }
+    ): Promise<string | undefined>;
+    /**
+     * Asynchronous mkdir(2) - create a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+     * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+     */
+    function mkdir(
+        path: PathLike,
+        options?:
+            | Mode
+            | (MakeDirectoryOptions & {
+                  recursive?: false | undefined;
+              })
+            | null
+    ): Promise<void>;
+    /**
+     * Asynchronous mkdir(2) - create a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the file mode, or an object optionally specifying the file mode and whether parent folders
+     * should be created. If a string is passed, it is parsed as an octal integer. If not specified, defaults to `0o777`.
+     */
+    function mkdir(path: PathLike, options?: Mode | MakeDirectoryOptions | null): Promise<string | undefined>;
+    /**
+     * Reads the contents of a directory.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the filenames. If the `encoding` is set to `'buffer'`, the filenames returned
+     * will be passed as `Buffer` objects.
+     *
+     * If `options.withFileTypes` is set to `true`, the resolved array will contain `fs.Dirent` objects.
+     *
+     * ```js
+     * import { readdir } from 'fs/promises';
+     *
+     * try {
+     *   const files = await readdir(path);
+     *   for (const file of files)
+     *     console.log(file);
+     * } catch (err) {
+     *   console.error(err);
+     * }
+     * ```
+     * @since v10.0.0
+     * @return Fulfills with an array of the names of the files in the directory excluding `'.'` and `'..'`.
+     */
+    function readdir(
+        path: PathLike,
+        options?:
+            | (ObjectEncodingOptions & {
+                  withFileTypes?: false | undefined;
+              })
+            | BufferEncoding
+            | null
+    ): Promise<string[]>;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function readdir(
+        path: PathLike,
+        options:
+            | {
+                  encoding: 'buffer';
+                  withFileTypes?: false | undefined;
+              }
+            | 'buffer'
+    ): Promise<Buffer[]>;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function readdir(
+        path: PathLike,
+        options?:
+            | (ObjectEncodingOptions & {
+                  withFileTypes?: false | undefined;
+              })
+            | BufferEncoding
+            | null
+    ): Promise<string[] | Buffer[]>;
+    /**
+     * Asynchronous readdir(3) - read a directory.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options If called with `withFileTypes: true` the result data will be an array of Dirent.
+     */
+    function readdir(
+        path: PathLike,
+        options: ObjectEncodingOptions & {
+            withFileTypes: true;
+        }
+    ): Promise<Dirent[]>;
+    /**
+     * Reads the contents of the symbolic link referred to by `path`. See the POSIX [`readlink(2)`](http://man7.org/linux/man-pages/man2/readlink.2.html) documentation for more detail. The promise is
+     * resolved with the`linkString` upon success.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the link path returned. If the `encoding` is set to `'buffer'`, the link path
+     * returned will be passed as a `Buffer` object.
+     * @since v10.0.0
+     * @return Fulfills with the `linkString` upon success.
+     */
+    function readlink(path: PathLike, options?: ObjectEncodingOptions | BufferEncoding | null): Promise<string>;
+    /**
+     * Asynchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function readlink(path: PathLike, options: BufferEncodingOption): Promise<Buffer>;
+    /**
+     * Asynchronous readlink(2) - read value of a symbolic link.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function readlink(path: PathLike, options?: ObjectEncodingOptions | string | null): Promise<string | Buffer>;
+    /**
+     * Creates a symbolic link.
+     *
+     * The `type` argument is only used on Windows platforms and can be one of `'dir'`,`'file'`, or `'junction'`. Windows junction points require the destination path
+     * to be absolute. When using `'junction'`, the `target` argument will
+     * automatically be normalized to absolute path.
+     * @since v10.0.0
+     * @param [type='file']
+     * @return Fulfills with `undefined` upon success.
+     */
+    function symlink(target: PathLike, path: PathLike, type?: string | null): Promise<void>;
+    /**
+     * Equivalent to `fsPromises.stat()` unless `path` refers to a symbolic link,
+     * in which case the link itself is stat-ed, not the file that it refers to.
+     * Refer to the POSIX [`lstat(2)`](http://man7.org/linux/man-pages/man2/lstat.2.html) document for more detail.
+     * @since v10.0.0
+     * @return Fulfills with the {fs.Stats} object for the given symbolic link `path`.
+     */
+    function lstat(
+        path: PathLike,
+        opts?: StatOptions & {
+            bigint?: false | undefined;
+        }
+    ): Promise<Stats>;
+    function lstat(
+        path: PathLike,
+        opts: StatOptions & {
+            bigint: true;
+        }
+    ): Promise<BigIntStats>;
+    function lstat(path: PathLike, opts?: StatOptions): Promise<Stats | BigIntStats>;
+    /**
+     * @since v10.0.0
+     * @return Fulfills with the {fs.Stats} object for the given `path`.
+     */
+    function stat(
+        path: PathLike,
+        opts?: StatOptions & {
+            bigint?: false | undefined;
+        }
+    ): Promise<Stats>;
+    function stat(
+        path: PathLike,
+        opts: StatOptions & {
+            bigint: true;
+        }
+    ): Promise<BigIntStats>;
+    function stat(path: PathLike, opts?: StatOptions): Promise<Stats | BigIntStats>;
+    /**
+     * Creates a new link from the `existingPath` to the `newPath`. See the POSIX [`link(2)`](http://man7.org/linux/man-pages/man2/link.2.html) documentation for more detail.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function link(existingPath: PathLike, newPath: PathLike): Promise<void>;
+    /**
+     * If `path` refers to a symbolic link, then the link is removed without affecting
+     * the file or directory to which that link refers. If the `path` refers to a file
+     * path that is not a symbolic link, the file is deleted. See the POSIX [`unlink(2)`](http://man7.org/linux/man-pages/man2/unlink.2.html) documentation for more detail.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function unlink(path: PathLike): Promise<void>;
+    /**
+     * Changes the permissions of a file.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function chmod(path: PathLike, mode: Mode): Promise<void>;
+    /**
+     * Changes the permissions on a symbolic link.
+     *
+     * This method is only implemented on macOS.
+     * @deprecated Since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function lchmod(path: PathLike, mode: Mode): Promise<void>;
+    /**
+     * Changes the ownership on a symbolic link.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function lchown(path: PathLike, uid: number, gid: number): Promise<void>;
+    /**
+     * Changes the access and modification times of a file in the same way as `fsPromises.utimes()`, with the difference that if the path refers to a
+     * symbolic link, then the link is not dereferenced: instead, the timestamps of
+     * the symbolic link itself are changed.
+     * @since v14.5.0, v12.19.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function lutimes(path: PathLike, atime: TimeLike, mtime: TimeLike): Promise<void>;
+    /**
+     * Changes the ownership of a file.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function chown(path: PathLike, uid: number, gid: number): Promise<void>;
+    /**
+     * Change the file system timestamps of the object referenced by `path`.
+     *
+     * The `atime` and `mtime` arguments follow these rules:
+     *
+     * * Values can be either numbers representing Unix epoch time, `Date`s, or a
+     * numeric string like `'123456789.0'`.
+     * * If the value can not be converted to a number, or is `NaN`, `Infinity` or`-Infinity`, an `Error` will be thrown.
+     * @since v10.0.0
+     * @return Fulfills with `undefined` upon success.
+     */
+    function utimes(path: PathLike, atime: TimeLike, mtime: TimeLike): Promise<void>;
+    /**
+     * Determines the actual location of `path` using the same semantics as the`fs.realpath.native()` function.
+     *
+     * Only paths that can be converted to UTF8 strings are supported.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use for
+     * the path. If the `encoding` is set to `'buffer'`, the path returned will be
+     * passed as a `Buffer` object.
+     *
+     * On Linux, when Node.js is linked against musl libc, the procfs file system must
+     * be mounted on `/proc` in order for this function to work. Glibc does not have
+     * this restriction.
+     * @since v10.0.0
+     * @return Fulfills with the resolved path upon success.
+     */
+    function realpath(path: PathLike, options?: ObjectEncodingOptions | BufferEncoding | null): Promise<string>;
+    /**
+     * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function realpath(path: PathLike, options: BufferEncodingOption): Promise<Buffer>;
+    /**
+     * Asynchronous realpath(3) - return the canonicalized absolute pathname.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function realpath(path: PathLike, options?: ObjectEncodingOptions | BufferEncoding | null): Promise<string | Buffer>;
+    /**
+     * Creates a unique temporary directory. A unique directory name is generated by
+     * appending six random characters to the end of the provided `prefix`. Due to
+     * platform inconsistencies, avoid trailing `X` characters in `prefix`. Some
+     * platforms, notably the BSDs, can return more than six random characters, and
+     * replace trailing `X` characters in `prefix` with random characters.
+     *
+     * The optional `options` argument can be a string specifying an encoding, or an
+     * object with an `encoding` property specifying the character encoding to use.
+     *
+     * ```js
+     * import { mkdtemp } from 'fs/promises';
+     *
+     * try {
+     *   await mkdtemp(path.join(os.tmpdir(), 'foo-'));
+     * } catch (err) {
+     *   console.error(err);
+     * }
+     * ```
+     *
+     * The `fsPromises.mkdtemp()` method will append the six randomly selected
+     * characters directly to the `prefix` string. For instance, given a directory`/tmp`, if the intention is to create a temporary directory _within_`/tmp`, the`prefix` must end with a trailing
+     * platform-specific path separator
+     * (`require('path').sep`).
+     * @since v10.0.0
+     * @return Fulfills with a string containing the filesystem path of the newly created temporary directory.
+     */
+    function mkdtemp(prefix: string, options?: ObjectEncodingOptions | BufferEncoding | null): Promise<string>;
+    /**
+     * Asynchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required `prefix` to create a unique temporary directory.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function mkdtemp(prefix: string, options: BufferEncodingOption): Promise<Buffer>;
+    /**
+     * Asynchronously creates a unique temporary directory.
+     * Generates six random characters to be appended behind a required `prefix` to create a unique temporary directory.
+     * @param options The encoding (or an object specifying the encoding), used as the encoding of the result. If not provided, `'utf8'` is used.
+     */
+    function mkdtemp(prefix: string, options?: ObjectEncodingOptions | BufferEncoding | null): Promise<string | Buffer>;
+    /**
+     * Asynchronously writes data to a file, replacing the file if it already exists.`data` can be a string, a buffer, an
+     * [AsyncIterable](https://tc39.github.io/ecma262/#sec-asynciterable-interface) or
+     * [Iterable](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols#The_iterable_protocol) object.
+     *
+     * The `encoding` option is ignored if `data` is a buffer.
+     *
+     * If `options` is a string, then it specifies the encoding.
+     *
+     * The `mode` option only affects the newly created file. See `fs.open()` for more details.
+     *
+     * Any specified `FileHandle` has to support writing.
+     *
+     * It is unsafe to use `fsPromises.writeFile()` multiple times on the same file
+     * without waiting for the promise to be settled.
+     *
+     * Similarly to `fsPromises.readFile` \- `fsPromises.writeFile` is a convenience
+     * method that performs multiple `write` calls internally to write the buffer
+     * passed to it. For performance sensitive code consider using `fs.createWriteStream()` or `filehandle.createWriteStream()`.
+     *
+     * It is possible to use an `AbortSignal` to cancel an `fsPromises.writeFile()`.
+     * Cancelation is "best effort", and some amount of data is likely still
+     * to be written.
+     *
+     * ```js
+     * import { writeFile } from 'fs/promises';
+     * import { Buffer } from 'buffer';
+     *
+     * try {
+     *   const controller = new AbortController();
+     *   const { signal } = controller;
+     *   const data = new Uint8Array(Buffer.from('Hello Node.js'));
+     *   const promise = writeFile('message.txt', data, { signal });
+     *
+     *   // Abort the request before the promise settles.
+     *   controller.abort();
+     *
+     *   await promise;
+     * } catch (err) {
+     *   // When a request is aborted - err is an AbortError
+     *   console.error(err);
+     * }
+     * ```
+     *
+     * Aborting an ongoing request does not abort individual operating
+     * system requests but rather the internal buffering `fs.writeFile` performs.
+     * @since v10.0.0
+     * @param file filename or `FileHandle`
+     * @return Fulfills with `undefined` upon success.
+     */
+    function writeFile(
+        file: PathLike | FileHandle,
+        data: string | NodeJS.ArrayBufferView | Iterable<string | NodeJS.ArrayBufferView> | AsyncIterable<string | NodeJS.ArrayBufferView> | Stream,
+        options?:
+            | (ObjectEncodingOptions & {
+                  mode?: Mode | undefined;
+                  flag?: OpenMode | undefined;
+              } & Abortable)
+            | BufferEncoding
+            | null
+    ): Promise<void>;
+    /**
+     * Asynchronously append data to a file, creating the file if it does not yet
+     * exist. `data` can be a string or a `Buffer`.
+     *
+     * If `options` is a string, then it specifies the `encoding`.
+     *
+     * The `mode` option only affects the newly created file. See `fs.open()` for more details.
+     *
+     * The `path` may be specified as a `FileHandle` that has been opened
+     * for appending (using `fsPromises.open()`).
+     * @since v10.0.0
+     * @param path filename or {FileHandle}
+     * @return Fulfills with `undefined` upon success.
+     */
+    function appendFile(path: PathLike | FileHandle, data: string | Uint8Array, options?: (ObjectEncodingOptions & FlagAndOpenMode) | BufferEncoding | null): Promise<void>;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     *
+     * If no encoding is specified (using `options.encoding`), the data is returned
+     * as a `Buffer` object. Otherwise, the data will be a string.
+     *
+     * If `options` is a string, then it specifies the encoding.
+     *
+     * When the `path` is a directory, the behavior of `fsPromises.readFile()` is
+     * platform-specific. On macOS, Linux, and Windows, the promise will be rejected
+     * with an error. On FreeBSD, a representation of the directory's contents will be
+     * returned.
+     *
+     * It is possible to abort an ongoing `readFile` using an `AbortSignal`. If a
+     * request is aborted the promise returned is rejected with an `AbortError`:
+     *
+     * ```js
+     * import { readFile } from 'fs/promises';
+     *
+     * try {
+     *   const controller = new AbortController();
+     *   const { signal } = controller;
+     *   const promise = readFile(fileName, { signal });
+     *
+     *   // Abort the request before the promise settles.
+     *   controller.abort();
+     *
+     *   await promise;
+     * } catch (err) {
+     *   // When a request is aborted - err is an AbortError
+     *   console.error(err);
+     * }
+     * ```
+     *
+     * Aborting an ongoing request does not abort individual operating
+     * system requests but rather the internal buffering `fs.readFile` performs.
+     *
+     * Any specified `FileHandle` has to support reading.
+     * @since v10.0.0
+     * @param path filename or `FileHandle`
+     * @return Fulfills with the contents of the file.
+     */
+    function readFile(
+        path: PathLike | FileHandle,
+        options?:
+            | ({
+                  encoding?: null | undefined;
+                  flag?: OpenMode | undefined;
+              } & Abortable)
+            | null
+    ): Promise<Buffer>;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a `FileHandle` is provided, the underlying file will _not_ be closed automatically.
+     * @param options An object that may contain an optional flag.
+     * If a flag is not provided, it defaults to `'r'`.
+     */
+    function readFile(
+        path: PathLike | FileHandle,
+        options:
+            | ({
+                  encoding: BufferEncoding;
+                  flag?: OpenMode | undefined;
+              } & Abortable)
+            | BufferEncoding
+    ): Promise<string>;
+    /**
+     * Asynchronously reads the entire contents of a file.
+     * @param path A path to a file. If a URL is provided, it must use the `file:` protocol.
+     * If a `FileHandle` is provided, the underlying file will _not_ be closed automatically.
+     * @param options An object that may contain an optional flag.
+     * If a flag is not provided, it defaults to `'r'`.
+     */
+    function readFile(
+        path: PathLike | FileHandle,
+        options?:
+            | (ObjectEncodingOptions &
+                  Abortable & {
+                      flag?: OpenMode | undefined;
+                  })
+            | BufferEncoding
+            | null
+    ): Promise<string | Buffer>;
+    /**
+     * Asynchronously open a directory for iterative scanning. See the POSIX [`opendir(3)`](http://man7.org/linux/man-pages/man3/opendir.3.html) documentation for more detail.
+     *
+     * Creates an `fs.Dir`, which contains all further functions for reading from
+     * and cleaning up the directory.
+     *
+     * The `encoding` option sets the encoding for the `path` while opening the
+     * directory and subsequent read operations.
+     *
+     * Example using async iteration:
+     *
+     * ```js
+     * import { opendir } from 'fs/promises';
+     *
+     * try {
+     *   const dir = await opendir('./');
+     *   for await (const dirent of dir)
+     *     console.log(dirent.name);
+     * } catch (err) {
+     *   console.error(err);
+     * }
+     * ```
+     *
+     * When using the async iterator, the `fs.Dir` object will be automatically
+     * closed after the iterator exits.
+     * @since v12.12.0
+     * @return Fulfills with an {fs.Dir}.
+     */
+    function opendir(path: PathLike, options?: OpenDirOptions): Promise<Dir>;
+    /**
+     * Returns an async iterator that watches for changes on `filename`, where `filename`is either a file or a directory.
+     *
+     * ```js
+     * const { watch } = require('fs/promises');
+     *
+     * const ac = new AbortController();
+     * const { signal } = ac;
+     * setTimeout(() => ac.abort(), 10000);
+     *
+     * (async () => {
+     *   try {
+     *     const watcher = watch(__filename, { signal });
+     *     for await (const event of watcher)
+     *       console.log(event);
+     *   } catch (err) {
+     *     if (err.name === 'AbortError')
+     *       return;
+     *     throw err;
+     *   }
+     * })();
+     * ```
+     *
+     * On most platforms, `'rename'` is emitted whenever a filename appears or
+     * disappears in the directory.
+     *
+     * All the `caveats` for `fs.watch()` also apply to `fsPromises.watch()`.
+     * @since v15.9.0, v14.18.0
+     * @return of objects with the properties:
+     */
+    function watch(
+        filename: PathLike,
+        options:
+            | (WatchOptions & {
+                  encoding: 'buffer';
+              })
+            | 'buffer'
+    ): AsyncIterable<FileChangeInfo<Buffer>>;
+    /**
+     * Watch for changes on `filename`, where `filename` is either a file or a directory, returning an `FSWatcher`.
+     * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the encoding for the filename provided to the listener, or an object optionally specifying encoding, persistent, and recursive options.
+     * If `encoding` is not supplied, the default of `'utf8'` is used.
+     * If `persistent` is not supplied, the default of `true` is used.
+     * If `recursive` is not supplied, the default of `false` is used.
+     */
+    function watch(filename: PathLike, options?: WatchOptions | BufferEncoding): AsyncIterable<FileChangeInfo<string>>;
+    /**
+     * Watch for changes on `filename`, where `filename` is either a file or a directory, returning an `FSWatcher`.
+     * @param filename A path to a file or directory. If a URL is provided, it must use the `file:` protocol.
+     * @param options Either the encoding for the filename provided to the listener, or an object optionally specifying encoding, persistent, and recursive options.
+     * If `encoding` is not supplied, the default of `'utf8'` is used.
+     * If `persistent` is not supplied, the default of `true` is used.
+     * If `recursive` is not supplied, the default of `false` is used.
+     */
+    function watch(filename: PathLike, options: WatchOptions | string): AsyncIterable<FileChangeInfo<string>> | AsyncIterable<FileChangeInfo<Buffer>>;
+    /**
+     * Asynchronously copies the entire directory structure from `src` to `dest`,
+     * including subdirectories and files.
+     *
+     * When copying a directory to another directory, globs are not supported and
+     * behavior is similar to `cp dir1/ dir2/`.
+     * @since v16.7.0
+     * @experimental
+     * @param src source path to copy.
+     * @param dest destination path to copy to.
+     * @return Fulfills with `undefined` upon success.
+     */
+    function cp(source: string | URL, destination: string | URL, opts?: CopyOptions): Promise<void>;
+}
+declare module 'node:fs/promises' {
+    export * from 'fs/promises';
+}
diff --git a/node_modules/@types/node/ts4.8/globals.d.ts b/node_modules/@types/node/ts4.8/globals.d.ts
new file mode 100644
index 000000000..da499940e
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/globals.d.ts
@@ -0,0 +1,294 @@
+// Declare "static" methods in Error
+interface ErrorConstructor {
+    /** Create .stack property on a target object */
+    captureStackTrace(targetObject: object, constructorOpt?: Function): void;
+
+    /**
+     * Optional override for formatting stack traces
+     *
+     * @see https://v8.dev/docs/stack-trace-api#customizing-stack-traces
+     */
+    prepareStackTrace?: ((err: Error, stackTraces: NodeJS.CallSite[]) => any) | undefined;
+
+    stackTraceLimit: number;
+}
+
+/*-----------------------------------------------*
+ *                                               *
+ *                   GLOBAL                      *
+ *                                               *
+ ------------------------------------------------*/
+
+// For backwards compability
+interface NodeRequire extends NodeJS.Require { }
+interface RequireResolve extends NodeJS.RequireResolve { }
+interface NodeModule extends NodeJS.Module { }
+
+declare var process: NodeJS.Process;
+declare var console: Console;
+
+declare var __filename: string;
+declare var __dirname: string;
+
+declare var require: NodeRequire;
+declare var module: NodeModule;
+
+// Same as module.exports
+declare var exports: any;
+
+/**
+ * Only available if `--expose-gc` is passed to the process.
+ */
+declare var gc: undefined | (() => void);
+
+//#region borrowed
+// from https://github.com/microsoft/TypeScript/blob/38da7c600c83e7b31193a62495239a0fe478cb67/lib/lib.webworker.d.ts#L633 until moved to separate lib
+/** A controller object that allows you to abort one or more DOM requests as and when desired. */
+interface AbortController {
+    /**
+     * Returns the AbortSignal object associated with this object.
+     */
+
+    readonly signal: AbortSignal;
+    /**
+     * Invoking this method will set this object's AbortSignal's aborted flag and signal to any observers that the associated activity is to be aborted.
+     */
+    abort(): void;
+}
+
+/** A signal object that allows you to communicate with a DOM request (such as a Fetch) and abort it if required via an AbortController object. */
+interface AbortSignal {
+    /**
+     * Returns true if this AbortSignal's AbortController has signaled to abort, and false otherwise.
+     */
+    readonly aborted: boolean;
+}
+
+declare var AbortController: {
+    prototype: AbortController;
+    new(): AbortController;
+};
+
+declare var AbortSignal: {
+    prototype: AbortSignal;
+    new(): AbortSignal;
+    // TODO: Add abort() static
+};
+//#endregion borrowed
+
+//#region ArrayLike.at()
+interface RelativeIndexable<T> {
+    /**
+     * Takes an integer value and returns the item at that index,
+     * allowing for positive and negative integers.
+     * Negative integers count back from the last item in the array.
+     */
+    at(index: number): T | undefined;
+}
+interface String extends RelativeIndexable<string> {}
+interface Array<T> extends RelativeIndexable<T> {}
+interface Int8Array extends RelativeIndexable<number> {}
+interface Uint8Array extends RelativeIndexable<number> {}
+interface Uint8ClampedArray extends RelativeIndexable<number> {}
+interface Int16Array extends RelativeIndexable<number> {}
+interface Uint16Array extends RelativeIndexable<number> {}
+interface Int32Array extends RelativeIndexable<number> {}
+interface Uint32Array extends RelativeIndexable<number> {}
+interface Float32Array extends RelativeIndexable<number> {}
+interface Float64Array extends RelativeIndexable<number> {}
+interface BigInt64Array extends RelativeIndexable<bigint> {}
+interface BigUint64Array extends RelativeIndexable<bigint> {}
+//#endregion ArrayLike.at() end
+
+/**
+ * @since v17.0.0
+ *
+ * Creates a deep clone of an object.
+ */
+declare function structuredClone<T>(
+    value: T,
+    transfer?: { transfer: ReadonlyArray<import('worker_threads').TransferListItem> },
+): T;
+
+/*----------------------------------------------*
+*                                               *
+*               GLOBAL INTERFACES               *
+*                                               *
+*-----------------------------------------------*/
+declare namespace NodeJS {
+    interface CallSite {
+        /**
+         * Value of "this"
+         */
+        getThis(): unknown;
+
+        /**
+         * Type of "this" as a string.
+         * This is the name of the function stored in the constructor field of
+         * "this", if available.  Otherwise the object's [[Class]] internal
+         * property.
+         */
+        getTypeName(): string | null;
+
+        /**
+         * Current function
+         */
+        getFunction(): Function | undefined;
+
+        /**
+         * Name of the current function, typically its name property.
+         * If a name property is not available an attempt will be made to try
+         * to infer a name from the function's context.
+         */
+        getFunctionName(): string | null;
+
+        /**
+         * Name of the property [of "this" or one of its prototypes] that holds
+         * the current function
+         */
+        getMethodName(): string | null;
+
+        /**
+         * Name of the script [if this function was defined in a script]
+         */
+        getFileName(): string | null;
+
+        /**
+         * Current line number [if this function was defined in a script]
+         */
+        getLineNumber(): number | null;
+
+        /**
+         * Current column number [if this function was defined in a script]
+         */
+        getColumnNumber(): number | null;
+
+        /**
+         * A call site object representing the location where eval was called
+         * [if this function was created using a call to eval]
+         */
+        getEvalOrigin(): string | undefined;
+
+        /**
+         * Is this a toplevel invocation, that is, is "this" the global object?
+         */
+        isToplevel(): boolean;
+
+        /**
+         * Does this call take place in code defined by a call to eval?
+         */
+        isEval(): boolean;
+
+        /**
+         * Is this call in native V8 code?
+         */
+        isNative(): boolean;
+
+        /**
+         * Is this a constructor call?
+         */
+        isConstructor(): boolean;
+    }
+
+    interface ErrnoException extends Error {
+        errno?: number | undefined;
+        code?: string | undefined;
+        path?: string | undefined;
+        syscall?: string | undefined;
+    }
+
+    interface ReadableStream extends EventEmitter {
+        readable: boolean;
+        read(size?: number): string | Buffer;
+        setEncoding(encoding: BufferEncoding): this;
+        pause(): this;
+        resume(): this;
+        isPaused(): boolean;
+        pipe<T extends WritableStream>(destination: T, options?: { end?: boolean | undefined; }): T;
+        unpipe(destination?: WritableStream): this;
+        unshift(chunk: string | Uint8Array, encoding?: BufferEncoding): void;
+        wrap(oldStream: ReadableStream): this;
+        [Symbol.asyncIterator](): AsyncIterableIterator<string | Buffer>;
+    }
+
+    interface WritableStream extends EventEmitter {
+        writable: boolean;
+        write(buffer: Uint8Array | string, cb?: (err?: Error | null) => void): boolean;
+        write(str: string, encoding?: BufferEncoding, cb?: (err?: Error | null) => void): boolean;
+        end(cb?: () => void): this;
+        end(data: string | Uint8Array, cb?: () => void): this;
+        end(str: string, encoding?: BufferEncoding, cb?: () => void): this;
+    }
+
+    interface ReadWriteStream extends ReadableStream, WritableStream { }
+
+    interface RefCounted {
+        ref(): this;
+        unref(): this;
+    }
+
+    type TypedArray =
+        | Uint8Array
+        | Uint8ClampedArray
+        | Uint16Array
+        | Uint32Array
+        | Int8Array
+        | Int16Array
+        | Int32Array
+        | BigUint64Array
+        | BigInt64Array
+        | Float32Array
+        | Float64Array;
+    type ArrayBufferView = TypedArray | DataView;
+
+    interface Require {
+        (id: string): any;
+        resolve: RequireResolve;
+        cache: Dict<NodeModule>;
+        /**
+         * @deprecated
+         */
+        extensions: RequireExtensions;
+        main: Module | undefined;
+    }
+
+    interface RequireResolve {
+        (id: string, options?: { paths?: string[] | undefined; }): string;
+        paths(request: string): string[] | null;
+    }
+
+    interface RequireExtensions extends Dict<(m: Module, filename: string) => any> {
+        '.js': (m: Module, filename: string) => any;
+        '.json': (m: Module, filename: string) => any;
+        '.node': (m: Module, filename: string) => any;
+    }
+    interface Module {
+        /**
+         * `true` if the module is running during the Node.js preload
+         */
+        isPreloading: boolean;
+        exports: any;
+        require: Require;
+        id: string;
+        filename: string;
+        loaded: boolean;
+        /** @deprecated since v14.6.0 Please use `require.main` and `module.children` instead. */
+        parent: Module | null | undefined;
+        children: Module[];
+        /**
+         * @since v11.14.0
+         *
+         * The directory name of the module. This is usually the same as the path.dirname() of the module.id.
+         */
+        path: string;
+        paths: string[];
+    }
+
+    interface Dict<T> {
+        [key: string]: T | undefined;
+    }
+
+    interface ReadOnlyDict<T> {
+        readonly [key: string]: T | undefined;
+    }
+}
diff --git a/node_modules/@types/node/ts4.8/globals.global.d.ts b/node_modules/@types/node/ts4.8/globals.global.d.ts
new file mode 100644
index 000000000..ef1198c05
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/globals.global.d.ts
@@ -0,0 +1 @@
+declare var global: typeof globalThis;
diff --git a/node_modules/@types/node/ts4.8/http.d.ts b/node_modules/@types/node/ts4.8/http.d.ts
new file mode 100644
index 000000000..24bc5e78d
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/http.d.ts
@@ -0,0 +1,1553 @@
+/**
+ * To use the HTTP server and client one must `require('http')`.
+ *
+ * The HTTP interfaces in Node.js are designed to support many features
+ * of the protocol which have been traditionally difficult to use.
+ * In particular, large, possibly chunk-encoded, messages. The interface is
+ * careful to never buffer entire requests or responses, so the
+ * user is able to stream data.
+ *
+ * HTTP message headers are represented by an object like this:
+ *
+ * ```js
+ * { 'content-length': '123',
+ *   'content-type': 'text/plain',
+ *   'connection': 'keep-alive',
+ *   'host': 'example.com',
+ *   'accept': '*' }
+ * ```
+ *
+ * Keys are lowercased. Values are not modified.
+ *
+ * In order to support the full spectrum of possible HTTP applications, the Node.js
+ * HTTP API is very low-level. It deals with stream handling and message
+ * parsing only. It parses a message into headers and body but it does not
+ * parse the actual headers or the body.
+ *
+ * See `message.headers` for details on how duplicate headers are handled.
+ *
+ * The raw headers as they were received are retained in the `rawHeaders`property, which is an array of `[key, value, key2, value2, ...]`. For
+ * example, the previous message header object might have a `rawHeaders`list like the following:
+ *
+ * ```js
+ * [ 'ConTent-Length', '123456',
+ *   'content-LENGTH', '123',
+ *   'content-type', 'text/plain',
+ *   'CONNECTION', 'keep-alive',
+ *   'Host', 'example.com',
+ *   'accepT', '*' ]
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/http.js)
+ */
+declare module 'http' {
+    import * as stream from 'node:stream';
+    import { URL } from 'node:url';
+    import { TcpSocketConnectOpts, Socket, Server as NetServer, LookupFunction } from 'node:net';
+    // incoming headers will never contain number
+    interface IncomingHttpHeaders extends NodeJS.Dict<string | string[]> {
+        accept?: string | undefined;
+        'accept-language'?: string | undefined;
+        'accept-patch'?: string | undefined;
+        'accept-ranges'?: string | undefined;
+        'access-control-allow-credentials'?: string | undefined;
+        'access-control-allow-headers'?: string | undefined;
+        'access-control-allow-methods'?: string | undefined;
+        'access-control-allow-origin'?: string | undefined;
+        'access-control-expose-headers'?: string | undefined;
+        'access-control-max-age'?: string | undefined;
+        'access-control-request-headers'?: string | undefined;
+        'access-control-request-method'?: string | undefined;
+        age?: string | undefined;
+        allow?: string | undefined;
+        'alt-svc'?: string | undefined;
+        authorization?: string | undefined;
+        'cache-control'?: string | undefined;
+        connection?: string | undefined;
+        'content-disposition'?: string | undefined;
+        'content-encoding'?: string | undefined;
+        'content-language'?: string | undefined;
+        'content-length'?: string | undefined;
+        'content-location'?: string | undefined;
+        'content-range'?: string | undefined;
+        'content-type'?: string | undefined;
+        cookie?: string | undefined;
+        date?: string | undefined;
+        etag?: string | undefined;
+        expect?: string | undefined;
+        expires?: string | undefined;
+        forwarded?: string | undefined;
+        from?: string | undefined;
+        host?: string | undefined;
+        'if-match'?: string | undefined;
+        'if-modified-since'?: string | undefined;
+        'if-none-match'?: string | undefined;
+        'if-unmodified-since'?: string | undefined;
+        'last-modified'?: string | undefined;
+        location?: string | undefined;
+        origin?: string | undefined;
+        pragma?: string | undefined;
+        'proxy-authenticate'?: string | undefined;
+        'proxy-authorization'?: string | undefined;
+        'public-key-pins'?: string | undefined;
+        range?: string | undefined;
+        referer?: string | undefined;
+        'retry-after'?: string | undefined;
+        'sec-websocket-accept'?: string | undefined;
+        'sec-websocket-extensions'?: string | undefined;
+        'sec-websocket-key'?: string | undefined;
+        'sec-websocket-protocol'?: string | undefined;
+        'sec-websocket-version'?: string | undefined;
+        'set-cookie'?: string[] | undefined;
+        'strict-transport-security'?: string | undefined;
+        tk?: string | undefined;
+        trailer?: string | undefined;
+        'transfer-encoding'?: string | undefined;
+        upgrade?: string | undefined;
+        'user-agent'?: string | undefined;
+        vary?: string | undefined;
+        via?: string | undefined;
+        warning?: string | undefined;
+        'www-authenticate'?: string | undefined;
+    }
+    // outgoing headers allows numbers (as they are converted internally to strings)
+    type OutgoingHttpHeader = number | string | string[];
+    interface OutgoingHttpHeaders extends NodeJS.Dict<OutgoingHttpHeader> {}
+    interface ClientRequestArgs {
+        signal?: AbortSignal | undefined;
+        protocol?: string | null | undefined;
+        host?: string | null | undefined;
+        hostname?: string | null | undefined;
+        family?: number | undefined;
+        port?: number | string | null | undefined;
+        defaultPort?: number | string | undefined;
+        localAddress?: string | undefined;
+        socketPath?: string | undefined;
+        /**
+         * @default 8192
+         */
+        maxHeaderSize?: number | undefined;
+        method?: string | undefined;
+        path?: string | null | undefined;
+        headers?: OutgoingHttpHeaders | undefined;
+        auth?: string | null | undefined;
+        agent?: Agent | boolean | undefined;
+        _defaultAgent?: Agent | undefined;
+        timeout?: number | undefined;
+        setHost?: boolean | undefined;
+        // https://github.com/nodejs/node/blob/master/lib/_http_client.js#L278
+        createConnection?:
+            | ((options: ClientRequestArgs, oncreate: (err: Error, socket: Socket) => void) => Socket)
+            | undefined;
+        lookup?: LookupFunction | undefined;
+    }
+    interface ServerOptions<
+        Request extends typeof IncomingMessage = typeof IncomingMessage,
+        Response extends typeof ServerResponse = typeof ServerResponse,
+    > {
+        IncomingMessage?: Request | undefined;
+        ServerResponse?: Response | undefined;
+        /**
+         * Optionally overrides the value of
+         * `--max-http-header-size` for requests received by this server, i.e.
+         * the maximum length of request headers in bytes.
+         * @default 8192
+         */
+        maxHeaderSize?: number | undefined;
+        /**
+         * Use an insecure HTTP parser that accepts invalid HTTP headers when true.
+         * Using the insecure parser should be avoided.
+         * See --insecure-http-parser for more information.
+         * @default false
+         */
+        insecureHTTPParser?: boolean | undefined;
+        /**
+         * If set to `true`, it disables the use of Nagle's algorithm immediately after a new incoming connection is received.
+         * @default false
+         * @since v16.5.0
+         */
+        noDelay?: boolean | undefined;
+        /**
+         * If set to `true`, it enables keep-alive functionality on the socket immediately after a new incoming connection is received,
+         * similarly on what is done in `socket.setKeepAlive([enable][, initialDelay])`.
+         * @default false
+         * @since v16.5.0
+         */
+        keepAlive?: boolean | undefined;
+        /**
+         * If set to a positive number, it sets the initial delay before the first keepalive probe is sent on an idle socket.
+         * @default 0
+         * @since v16.5.0
+         */
+        keepAliveInitialDelay?: number | undefined;
+    }
+    type RequestListener<
+        Request extends typeof IncomingMessage = typeof IncomingMessage,
+        Response extends typeof ServerResponse = typeof ServerResponse,
+    > = (req: InstanceType<Request>, res: InstanceType<Response> & { req: InstanceType<Request> }) => void;
+    /**
+     * @since v0.1.17
+     */
+    class Server<
+        Request extends typeof IncomingMessage = typeof IncomingMessage,
+        Response extends typeof ServerResponse = typeof ServerResponse,
+    > extends NetServer {
+        constructor(requestListener?: RequestListener<Request, Response>);
+        constructor(options: ServerOptions<Request, Response>, requestListener?: RequestListener<Request, Response>);
+        /**
+         * Sets the timeout value for sockets, and emits a `'timeout'` event on
+         * the Server object, passing the socket as an argument, if a timeout
+         * occurs.
+         *
+         * If there is a `'timeout'` event listener on the Server object, then it
+         * will be called with the timed-out socket as an argument.
+         *
+         * By default, the Server does not timeout sockets. However, if a callback
+         * is assigned to the Server's `'timeout'` event, timeouts must be handled
+         * explicitly.
+         * @since v0.9.12
+         * @param [msecs=0 (no timeout)]
+         */
+        setTimeout(msecs?: number, callback?: () => void): this;
+        setTimeout(callback: () => void): this;
+        /**
+         * Limits maximum incoming headers count. If set to 0, no limit will be applied.
+         * @since v0.7.0
+         */
+        maxHeadersCount: number | null;
+        /**
+         * The maximum number of requests socket can handle
+         * before closing keep alive connection.
+         *
+         * A value of `0` will disable the limit.
+         *
+         * When the limit is reached it will set the `Connection` header value to `close`,
+         * but will not actually close the connection, subsequent requests sent
+         * after the limit is reached will get `503 Service Unavailable` as a response.
+         * @since v16.10.0
+         */
+        maxRequestsPerSocket: number | null;
+        /**
+         * The number of milliseconds of inactivity before a socket is presumed
+         * to have timed out.
+         *
+         * A value of `0` will disable the timeout behavior on incoming connections.
+         *
+         * The socket timeout logic is set up on connection, so changing this
+         * value only affects new connections to the server, not any existing connections.
+         * @since v0.9.12
+         */
+        timeout: number;
+        /**
+         * Limit the amount of time the parser will wait to receive the complete HTTP
+         * headers.
+         *
+         * If the timeout expires, the server responds with status 408 without
+         * forwarding the request to the request listener and then closes the connection.
+         *
+         * It must be set to a non-zero value (e.g. 120 seconds) to protect against
+         * potential Denial-of-Service attacks in case the server is deployed without a
+         * reverse proxy in front.
+         * @since v11.3.0, v10.14.0
+         */
+        headersTimeout: number;
+        /**
+         * The number of milliseconds of inactivity a server needs to wait for additional
+         * incoming data, after it has finished writing the last response, before a socket
+         * will be destroyed. If the server receives new data before the keep-alive
+         * timeout has fired, it will reset the regular inactivity timeout, i.e.,`server.timeout`.
+         *
+         * A value of `0` will disable the keep-alive timeout behavior on incoming
+         * connections.
+         * A value of `0` makes the http server behave similarly to Node.js versions prior
+         * to 8.0.0, which did not have a keep-alive timeout.
+         *
+         * The socket timeout logic is set up on connection, so changing this value only
+         * affects new connections to the server, not any existing connections.
+         * @since v8.0.0
+         */
+        keepAliveTimeout: number;
+        /**
+         * Sets the timeout value in milliseconds for receiving the entire request from
+         * the client.
+         *
+         * If the timeout expires, the server responds with status 408 without
+         * forwarding the request to the request listener and then closes the connection.
+         *
+         * It must be set to a non-zero value (e.g. 120 seconds) to protect against
+         * potential Denial-of-Service attacks in case the server is deployed without a
+         * reverse proxy in front.
+         * @since v14.11.0
+         */
+        requestTimeout: number;
+        /**
+         * Closes all connections connected to this server.
+         * @since v18.2.0
+         */
+        closeAllConnections(): void;
+        /**
+         * Closes all connections connected to this server which are not sending a request or waiting for a response.
+         * @since v18.2.0
+         */
+        closeIdleConnections(): void;
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'connection', listener: (socket: Socket) => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'listening', listener: () => void): this;
+        addListener(event: 'checkContinue', listener: RequestListener<Request, Response>): this;
+        addListener(event: 'checkExpectation', listener: RequestListener<Request, Response>): this;
+        addListener(event: 'clientError', listener: (err: Error, socket: stream.Duplex) => void): this;
+        addListener(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        addListener(event: 'request', listener: RequestListener<Request, Response>): this;
+        addListener(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        emit(event: string, ...args: any[]): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'connection', socket: Socket): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'listening'): boolean;
+        emit(
+            event: 'checkContinue',
+            req: InstanceType<Request>,
+            res: InstanceType<Response> & { req: InstanceType<Request> },
+        ): boolean;
+        emit(
+            event: 'checkExpectation',
+            req: InstanceType<Request>,
+            res: InstanceType<Response> & { req: InstanceType<Request> },
+        ): boolean;
+        emit(event: 'clientError', err: Error, socket: stream.Duplex): boolean;
+        emit(event: 'connect', req: InstanceType<Request>, socket: stream.Duplex, head: Buffer): boolean;
+        emit(
+            event: 'request',
+            req: InstanceType<Request>,
+            res: InstanceType<Response> & { req: InstanceType<Request> },
+        ): boolean;
+        emit(event: 'upgrade', req: InstanceType<Request>, socket: stream.Duplex, head: Buffer): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'connection', listener: (socket: Socket) => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'listening', listener: () => void): this;
+        on(event: 'checkContinue', listener: RequestListener<Request, Response>): this;
+        on(event: 'checkExpectation', listener: RequestListener<Request, Response>): this;
+        on(event: 'clientError', listener: (err: Error, socket: stream.Duplex) => void): this;
+        on(event: 'connect', listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void): this;
+        on(event: 'request', listener: RequestListener<Request, Response>): this;
+        on(event: 'upgrade', listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'connection', listener: (socket: Socket) => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'listening', listener: () => void): this;
+        once(event: 'checkContinue', listener: RequestListener<Request, Response>): this;
+        once(event: 'checkExpectation', listener: RequestListener<Request, Response>): this;
+        once(event: 'clientError', listener: (err: Error, socket: stream.Duplex) => void): this;
+        once(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        once(event: 'request', listener: RequestListener<Request, Response>): this;
+        once(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'connection', listener: (socket: Socket) => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'listening', listener: () => void): this;
+        prependListener(event: 'checkContinue', listener: RequestListener<Request, Response>): this;
+        prependListener(event: 'checkExpectation', listener: RequestListener<Request, Response>): this;
+        prependListener(event: 'clientError', listener: (err: Error, socket: stream.Duplex) => void): this;
+        prependListener(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        prependListener(event: 'request', listener: RequestListener<Request, Response>): this;
+        prependListener(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'connection', listener: (socket: Socket) => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'listening', listener: () => void): this;
+        prependOnceListener(event: 'checkContinue', listener: RequestListener<Request, Response>): this;
+        prependOnceListener(event: 'checkExpectation', listener: RequestListener<Request, Response>): this;
+        prependOnceListener(event: 'clientError', listener: (err: Error, socket: stream.Duplex) => void): this;
+        prependOnceListener(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+        prependOnceListener(event: 'request', listener: RequestListener<Request, Response>): this;
+        prependOnceListener(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: stream.Duplex, head: Buffer) => void,
+        ): this;
+    }
+    /**
+     * This class serves as the parent class of {@link ClientRequest} and {@link ServerResponse}. It is an abstract of outgoing message from
+     * the perspective of the participants of HTTP transaction.
+     * @since v0.1.17
+     */
+    class OutgoingMessage<Request extends IncomingMessage = IncomingMessage> extends stream.Writable {
+        readonly req: Request;
+        chunkedEncoding: boolean;
+        shouldKeepAlive: boolean;
+        useChunkedEncodingByDefault: boolean;
+        sendDate: boolean;
+        /**
+         * @deprecated Use `writableEnded` instead.
+         */
+        finished: boolean;
+        /**
+         * Read-only. `true` if the headers were sent, otherwise `false`.
+         * @since v0.9.3
+         */
+        readonly headersSent: boolean;
+        /**
+         * Aliases of `outgoingMessage.socket`
+         * @since v0.3.0
+         * @deprecated Since v15.12.0,v14.17.1 - Use `socket` instead.
+         */
+        readonly connection: Socket | null;
+        /**
+         * Reference to the underlying socket. Usually, users will not want to access
+         * this property.
+         *
+         * After calling `outgoingMessage.end()`, this property will be nulled.
+         * @since v0.3.0
+         */
+        readonly socket: Socket | null;
+        constructor();
+        /**
+         * Once a socket is associated with the message and is connected,`socket.setTimeout()` will be called with `msecs` as the first parameter.
+         * @since v0.9.12
+         * @param callback Optional function to be called when a timeout occurs. Same as binding to the `timeout` event.
+         */
+        setTimeout(msecs: number, callback?: () => void): this;
+        /**
+         * Sets a single header value for the header object.
+         * @since v0.4.0
+         * @param name Header name
+         * @param value Header value
+         */
+        setHeader(name: string, value: number | string | ReadonlyArray<string>): this;
+        /**
+         * Gets the value of HTTP header with the given name. If such a name doesn't
+         * exist in message, it will be `undefined`.
+         * @since v0.4.0
+         * @param name Name of header
+         */
+        getHeader(name: string): number | string | string[] | undefined;
+        /**
+         * Returns a shallow copy of the current outgoing headers. Since a shallow
+         * copy is used, array values may be mutated without additional calls to
+         * various header-related HTTP module methods. The keys of the returned
+         * object are the header names and the values are the respective header
+         * values. All header names are lowercase.
+         *
+         * The object returned by the `outgoingMessage.getHeaders()` method does
+         * not prototypically inherit from the JavaScript Object. This means that
+         * typical Object methods such as `obj.toString()`, `obj.hasOwnProperty()`,
+         * and others are not defined and will not work.
+         *
+         * ```js
+         * outgoingMessage.setHeader('Foo', 'bar');
+         * outgoingMessage.setHeader('Set-Cookie', ['foo=bar', 'bar=baz']);
+         *
+         * const headers = outgoingMessage.getHeaders();
+         * // headers === { foo: 'bar', 'set-cookie': ['foo=bar', 'bar=baz'] }
+         * ```
+         * @since v7.7.0
+         */
+        getHeaders(): OutgoingHttpHeaders;
+        /**
+         * Returns an array of names of headers of the outgoing outgoingMessage. All
+         * names are lowercase.
+         * @since v7.7.0
+         */
+        getHeaderNames(): string[];
+        /**
+         * Returns `true` if the header identified by `name` is currently set in the
+         * outgoing headers. The header name is case-insensitive.
+         *
+         * ```js
+         * const hasContentType = outgoingMessage.hasHeader('content-type');
+         * ```
+         * @since v7.7.0
+         */
+        hasHeader(name: string): boolean;
+        /**
+         * Removes a header that is queued for implicit sending.
+         *
+         * ```js
+         * outgoingMessage.removeHeader('Content-Encoding');
+         * ```
+         * @since v0.4.0
+         * @param name Header name
+         */
+        removeHeader(name: string): void;
+        /**
+         * Adds HTTP trailers (headers but at the end of the message) to the message.
+         *
+         * Trailers are **only** be emitted if the message is chunked encoded. If not,
+         * the trailer will be silently discarded.
+         *
+         * HTTP requires the `Trailer` header to be sent to emit trailers,
+         * with a list of header fields in its value, e.g.
+         *
+         * ```js
+         * message.writeHead(200, { 'Content-Type': 'text/plain',
+         *                          'Trailer': 'Content-MD5' });
+         * message.write(fileData);
+         * message.addTrailers({ 'Content-MD5': '7895bf4b8828b55ceaf47747b4bca667' });
+         * message.end();
+         * ```
+         *
+         * Attempting to set a header field name or value that contains invalid characters
+         * will result in a `TypeError` being thrown.
+         * @since v0.3.0
+         */
+        addTrailers(headers: OutgoingHttpHeaders | ReadonlyArray<[string, string]>): void;
+        /**
+         * Compulsorily flushes the message headers
+         *
+         * For efficiency reason, Node.js normally buffers the message headers
+         * until `outgoingMessage.end()` is called or the first chunk of message data
+         * is written. It then tries to pack the headers and data into a single TCP
+         * packet.
+         *
+         * It is usually desired (it saves a TCP round-trip), but not when the first
+         * data is not sent until possibly much later. `outgoingMessage.flushHeaders()`bypasses the optimization and kickstarts the request.
+         * @since v1.6.0
+         */
+        flushHeaders(): void;
+    }
+    /**
+     * This object is created internally by an HTTP server, not by the user. It is
+     * passed as the second parameter to the `'request'` event.
+     * @since v0.1.17
+     */
+    class ServerResponse<Request extends IncomingMessage = IncomingMessage> extends OutgoingMessage<Request> {
+        /**
+         * When using implicit headers (not calling `response.writeHead()` explicitly),
+         * this property controls the status code that will be sent to the client when
+         * the headers get flushed.
+         *
+         * ```js
+         * response.statusCode = 404;
+         * ```
+         *
+         * After response header was sent to the client, this property indicates the
+         * status code which was sent out.
+         * @since v0.4.0
+         */
+        statusCode: number;
+        /**
+         * When using implicit headers (not calling `response.writeHead()` explicitly),
+         * this property controls the status message that will be sent to the client when
+         * the headers get flushed. If this is left as `undefined` then the standard
+         * message for the status code will be used.
+         *
+         * ```js
+         * response.statusMessage = 'Not found';
+         * ```
+         *
+         * After response header was sent to the client, this property indicates the
+         * status message which was sent out.
+         * @since v0.11.8
+         */
+        statusMessage: string;
+        constructor(req: Request);
+        assignSocket(socket: Socket): void;
+        detachSocket(socket: Socket): void;
+        /**
+         * Sends a HTTP/1.1 100 Continue message to the client, indicating that
+         * the request body should be sent. See the `'checkContinue'` event on`Server`.
+         * @since v0.3.0
+         */
+        writeContinue(callback?: () => void): void;
+        /**
+         * Sends a response header to the request. The status code is a 3-digit HTTP
+         * status code, like `404`. The last argument, `headers`, are the response headers.
+         * Optionally one can give a human-readable `statusMessage` as the second
+         * argument.
+         *
+         * `headers` may be an `Array` where the keys and values are in the same list.
+         * It is _not_ a list of tuples. So, the even-numbered offsets are key values,
+         * and the odd-numbered offsets are the associated values. The array is in the same
+         * format as `request.rawHeaders`.
+         *
+         * Returns a reference to the `ServerResponse`, so that calls can be chained.
+         *
+         * ```js
+         * const body = 'hello world';
+         * response
+         *   .writeHead(200, {
+         *     'Content-Length': Buffer.byteLength(body),
+         *     'Content-Type': 'text/plain'
+         *   })
+         *   .end(body);
+         * ```
+         *
+         * This method must only be called once on a message and it must
+         * be called before `response.end()` is called.
+         *
+         * If `response.write()` or `response.end()` are called before calling
+         * this, the implicit/mutable headers will be calculated and call this function.
+         *
+         * When headers have been set with `response.setHeader()`, they will be merged
+         * with any headers passed to `response.writeHead()`, with the headers passed
+         * to `response.writeHead()` given precedence.
+         *
+         * If this method is called and `response.setHeader()` has not been called,
+         * it will directly write the supplied header values onto the network channel
+         * without caching internally, and the `response.getHeader()` on the header
+         * will not yield the expected result. If progressive population of headers is
+         * desired with potential future retrieval and modification, use `response.setHeader()` instead.
+         *
+         * ```js
+         * // Returns content-type = text/plain
+         * const server = http.createServer((req, res) => {
+         *   res.setHeader('Content-Type', 'text/html');
+         *   res.setHeader('X-Foo', 'bar');
+         *   res.writeHead(200, { 'Content-Type': 'text/plain' });
+         *   res.end('ok');
+         * });
+         * ```
+         *
+         * `Content-Length` is given in bytes, not characters. Use `Buffer.byteLength()` to determine the length of the body in bytes. Node.js
+         * does not check whether `Content-Length` and the length of the body which has
+         * been transmitted are equal or not.
+         *
+         * Attempting to set a header field name or value that contains invalid characters
+         * will result in a `TypeError` being thrown.
+         * @since v0.1.30
+         */
+        writeHead(
+            statusCode: number,
+            statusMessage?: string,
+            headers?: OutgoingHttpHeaders | OutgoingHttpHeader[],
+        ): this;
+        writeHead(statusCode: number, headers?: OutgoingHttpHeaders | OutgoingHttpHeader[]): this;
+        /**
+         * Sends a HTTP/1.1 102 Processing message to the client, indicating that
+         * the request body should be sent.
+         * @since v10.0.0
+         */
+        writeProcessing(): void;
+    }
+    interface InformationEvent {
+        statusCode: number;
+        statusMessage: string;
+        httpVersion: string;
+        httpVersionMajor: number;
+        httpVersionMinor: number;
+        headers: IncomingHttpHeaders;
+        rawHeaders: string[];
+    }
+    /**
+     * This object is created internally and returned from {@link request}. It
+     * represents an _in-progress_ request whose header has already been queued. The
+     * header is still mutable using the `setHeader(name, value)`,`getHeader(name)`, `removeHeader(name)` API. The actual header will
+     * be sent along with the first data chunk or when calling `request.end()`.
+     *
+     * To get the response, add a listener for `'response'` to the request object.`'response'` will be emitted from the request object when the response
+     * headers have been received. The `'response'` event is executed with one
+     * argument which is an instance of {@link IncomingMessage}.
+     *
+     * During the `'response'` event, one can add listeners to the
+     * response object; particularly to listen for the `'data'` event.
+     *
+     * If no `'response'` handler is added, then the response will be
+     * entirely discarded. However, if a `'response'` event handler is added,
+     * then the data from the response object **must** be consumed, either by
+     * calling `response.read()` whenever there is a `'readable'` event, or
+     * by adding a `'data'` handler, or by calling the `.resume()` method.
+     * Until the data is consumed, the `'end'` event will not fire. Also, until
+     * the data is read it will consume memory that can eventually lead to a
+     * 'process out of memory' error.
+     *
+     * For backward compatibility, `res` will only emit `'error'` if there is an`'error'` listener registered.
+     *
+     * Node.js does not check whether Content-Length and the length of the
+     * body which has been transmitted are equal or not.
+     * @since v0.1.17
+     */
+    class ClientRequest extends OutgoingMessage {
+        /**
+         * The `request.aborted` property will be `true` if the request has
+         * been aborted.
+         * @since v0.11.14
+         * @deprecated Since v17.0.0,v16.12.0 - Check `destroyed` instead.
+         */
+        aborted: boolean;
+        /**
+         * The request host.
+         * @since v14.5.0, v12.19.0
+         */
+        host: string;
+        /**
+         * The request protocol.
+         * @since v14.5.0, v12.19.0
+         */
+        protocol: string;
+        /**
+         * When sending request through a keep-alive enabled agent, the underlying socket
+         * might be reused. But if server closes connection at unfortunate time, client
+         * may run into a 'ECONNRESET' error.
+         *
+         * ```js
+         * const http = require('http');
+         *
+         * // Server has a 5 seconds keep-alive timeout by default
+         * http
+         *   .createServer((req, res) => {
+         *     res.write('hello\n');
+         *     res.end();
+         *   })
+         *   .listen(3000);
+         *
+         * setInterval(() => {
+         *   // Adapting a keep-alive agent
+         *   http.get('http://localhost:3000', { agent }, (res) => {
+         *     res.on('data', (data) => {
+         *       // Do nothing
+         *     });
+         *   });
+         * }, 5000); // Sending request on 5s interval so it's easy to hit idle timeout
+         * ```
+         *
+         * By marking a request whether it reused socket or not, we can do
+         * automatic error retry base on it.
+         *
+         * ```js
+         * const http = require('http');
+         * const agent = new http.Agent({ keepAlive: true });
+         *
+         * function retriableRequest() {
+         *   const req = http
+         *     .get('http://localhost:3000', { agent }, (res) => {
+         *       // ...
+         *     })
+         *     .on('error', (err) => {
+         *       // Check if retry is needed
+         *       if (req.reusedSocket &#x26;&#x26; err.code === 'ECONNRESET') {
+         *         retriableRequest();
+         *       }
+         *     });
+         * }
+         *
+         * retriableRequest();
+         * ```
+         * @since v13.0.0, v12.16.0
+         */
+        reusedSocket: boolean;
+        /**
+         * Limits maximum response headers count. If set to 0, no limit will be applied.
+         */
+        maxHeadersCount: number;
+        constructor(url: string | URL | ClientRequestArgs, cb?: (res: IncomingMessage) => void);
+        /**
+         * The request method.
+         * @since v0.1.97
+         */
+        method: string;
+        /**
+         * The request path.
+         * @since v0.4.0
+         */
+        path: string;
+        /**
+         * Marks the request as aborting. Calling this will cause remaining data
+         * in the response to be dropped and the socket to be destroyed.
+         * @since v0.3.8
+         * @deprecated Since v14.1.0,v13.14.0 - Use `destroy` instead.
+         */
+        abort(): void;
+        onSocket(socket: Socket): void;
+        /**
+         * Once a socket is assigned to this request and is connected `socket.setTimeout()` will be called.
+         * @since v0.5.9
+         * @param timeout Milliseconds before a request times out.
+         * @param callback Optional function to be called when a timeout occurs. Same as binding to the `'timeout'` event.
+         */
+        setTimeout(timeout: number, callback?: () => void): this;
+        /**
+         * Once a socket is assigned to this request and is connected `socket.setNoDelay()` will be called.
+         * @since v0.5.9
+         */
+        setNoDelay(noDelay?: boolean): void;
+        /**
+         * Once a socket is assigned to this request and is connected `socket.setKeepAlive()` will be called.
+         * @since v0.5.9
+         */
+        setSocketKeepAlive(enable?: boolean, initialDelay?: number): void;
+        /**
+         * Returns an array containing the unique names of the current outgoing raw
+         * headers. Header names are returned with their exact casing being set.
+         *
+         * ```js
+         * request.setHeader('Foo', 'bar');
+         * request.setHeader('Set-Cookie', ['foo=bar', 'bar=baz']);
+         *
+         * const headerNames = request.getRawHeaderNames();
+         * // headerNames === ['Foo', 'Set-Cookie']
+         * ```
+         * @since v15.13.0, v14.17.0
+         */
+        getRawHeaderNames(): string[];
+        /**
+         * @deprecated
+         */
+        addListener(event: 'abort', listener: () => void): this;
+        addListener(
+            event: 'connect',
+            listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void,
+        ): this;
+        addListener(event: 'continue', listener: () => void): this;
+        addListener(event: 'information', listener: (info: InformationEvent) => void): this;
+        addListener(event: 'response', listener: (response: IncomingMessage) => void): this;
+        addListener(event: 'socket', listener: (socket: Socket) => void): this;
+        addListener(event: 'timeout', listener: () => void): this;
+        addListener(
+            event: 'upgrade',
+            listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void,
+        ): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'drain', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'finish', listener: () => void): this;
+        addListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        /**
+         * @deprecated
+         */
+        on(event: 'abort', listener: () => void): this;
+        on(event: 'connect', listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void): this;
+        on(event: 'continue', listener: () => void): this;
+        on(event: 'information', listener: (info: InformationEvent) => void): this;
+        on(event: 'response', listener: (response: IncomingMessage) => void): this;
+        on(event: 'socket', listener: (socket: Socket) => void): this;
+        on(event: 'timeout', listener: () => void): this;
+        on(event: 'upgrade', listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'drain', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'finish', listener: () => void): this;
+        on(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        on(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        /**
+         * @deprecated
+         */
+        once(event: 'abort', listener: () => void): this;
+        once(event: 'connect', listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void): this;
+        once(event: 'continue', listener: () => void): this;
+        once(event: 'information', listener: (info: InformationEvent) => void): this;
+        once(event: 'response', listener: (response: IncomingMessage) => void): this;
+        once(event: 'socket', listener: (socket: Socket) => void): this;
+        once(event: 'timeout', listener: () => void): this;
+        once(event: 'upgrade', listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'drain', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'finish', listener: () => void): this;
+        once(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        once(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        /**
+         * @deprecated
+         */
+        prependListener(event: 'abort', listener: () => void): this;
+        prependListener(
+            event: 'connect',
+            listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void,
+        ): this;
+        prependListener(event: 'continue', listener: () => void): this;
+        prependListener(event: 'information', listener: (info: InformationEvent) => void): this;
+        prependListener(event: 'response', listener: (response: IncomingMessage) => void): this;
+        prependListener(event: 'socket', listener: (socket: Socket) => void): this;
+        prependListener(event: 'timeout', listener: () => void): this;
+        prependListener(
+            event: 'upgrade',
+            listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void,
+        ): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'drain', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'finish', listener: () => void): this;
+        prependListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        /**
+         * @deprecated
+         */
+        prependOnceListener(event: 'abort', listener: () => void): this;
+        prependOnceListener(
+            event: 'connect',
+            listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void,
+        ): this;
+        prependOnceListener(event: 'continue', listener: () => void): this;
+        prependOnceListener(event: 'information', listener: (info: InformationEvent) => void): this;
+        prependOnceListener(event: 'response', listener: (response: IncomingMessage) => void): this;
+        prependOnceListener(event: 'socket', listener: (socket: Socket) => void): this;
+        prependOnceListener(event: 'timeout', listener: () => void): this;
+        prependOnceListener(
+            event: 'upgrade',
+            listener: (response: IncomingMessage, socket: Socket, head: Buffer) => void,
+        ): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'drain', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'finish', listener: () => void): this;
+        prependOnceListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    /**
+     * An `IncomingMessage` object is created by {@link Server} or {@link ClientRequest} and passed as the first argument to the `'request'` and `'response'` event respectively. It may be used to
+     * access response
+     * status, headers and data.
+     *
+     * Different from its `socket` value which is a subclass of `stream.Duplex`, the`IncomingMessage` itself extends `stream.Readable` and is created separately to
+     * parse and emit the incoming HTTP headers and payload, as the underlying socket
+     * may be reused multiple times in case of keep-alive.
+     * @since v0.1.17
+     */
+    class IncomingMessage extends stream.Readable {
+        constructor(socket: Socket);
+        /**
+         * The `message.aborted` property will be `true` if the request has
+         * been aborted.
+         * @since v10.1.0
+         * @deprecated Since v17.0.0,v16.12.0 - Check `message.destroyed` from <a href="stream.html#class-streamreadable" class="type">stream.Readable</a>.
+         */
+        aborted: boolean;
+        /**
+         * In case of server request, the HTTP version sent by the client. In the case of
+         * client response, the HTTP version of the connected-to server.
+         * Probably either `'1.1'` or `'1.0'`.
+         *
+         * Also `message.httpVersionMajor` is the first integer and`message.httpVersionMinor` is the second.
+         * @since v0.1.1
+         */
+        httpVersion: string;
+        httpVersionMajor: number;
+        httpVersionMinor: number;
+        /**
+         * The `message.complete` property will be `true` if a complete HTTP message has
+         * been received and successfully parsed.
+         *
+         * This property is particularly useful as a means of determining if a client or
+         * server fully transmitted a message before a connection was terminated:
+         *
+         * ```js
+         * const req = http.request({
+         *   host: '127.0.0.1',
+         *   port: 8080,
+         *   method: 'POST'
+         * }, (res) => {
+         *   res.resume();
+         *   res.on('end', () => {
+         *     if (!res.complete)
+         *       console.error(
+         *         'The connection was terminated while the message was still being sent');
+         *   });
+         * });
+         * ```
+         * @since v0.3.0
+         */
+        complete: boolean;
+        /**
+         * Alias for `message.socket`.
+         * @since v0.1.90
+         * @deprecated Since v16.0.0 - Use `socket`.
+         */
+        connection: Socket;
+        /**
+         * The `net.Socket` object associated with the connection.
+         *
+         * With HTTPS support, use `request.socket.getPeerCertificate()` to obtain the
+         * client's authentication details.
+         *
+         * This property is guaranteed to be an instance of the `net.Socket` class,
+         * a subclass of `stream.Duplex`, unless the user specified a socket
+         * type other than `net.Socket` or internally nulled.
+         * @since v0.3.0
+         */
+        socket: Socket;
+        /**
+         * The request/response headers object.
+         *
+         * Key-value pairs of header names and values. Header names are lower-cased.
+         *
+         * ```js
+         * // Prints something like:
+         * //
+         * // { 'user-agent': 'curl/7.22.0',
+         * //   host: '127.0.0.1:8000',
+         * //   accept: '*' }
+         * console.log(request.getHeaders());
+         * ```
+         *
+         * Duplicates in raw headers are handled in the following ways, depending on the
+         * header name:
+         *
+         * * Duplicates of `age`, `authorization`, `content-length`, `content-type`,`etag`, `expires`, `from`, `host`, `if-modified-since`, `if-unmodified-since`,`last-modified`, `location`,
+         * `max-forwards`, `proxy-authorization`, `referer`,`retry-after`, `server`, or `user-agent` are discarded.
+         * * `set-cookie` is always an array. Duplicates are added to the array.
+         * * For duplicate `cookie` headers, the values are joined together with '; '.
+         * * For all other headers, the values are joined together with ', '.
+         * @since v0.1.5
+         */
+        headers: IncomingHttpHeaders;
+        /**
+         * The raw request/response headers list exactly as they were received.
+         *
+         * The keys and values are in the same list. It is _not_ a
+         * list of tuples. So, the even-numbered offsets are key values, and the
+         * odd-numbered offsets are the associated values.
+         *
+         * Header names are not lowercased, and duplicates are not merged.
+         *
+         * ```js
+         * // Prints something like:
+         * //
+         * // [ 'user-agent',
+         * //   'this is invalid because there can be only one',
+         * //   'User-Agent',
+         * //   'curl/7.22.0',
+         * //   'Host',
+         * //   '127.0.0.1:8000',
+         * //   'ACCEPT',
+         * //   '*' ]
+         * console.log(request.rawHeaders);
+         * ```
+         * @since v0.11.6
+         */
+        rawHeaders: string[];
+        /**
+         * The request/response trailers object. Only populated at the `'end'` event.
+         * @since v0.3.0
+         */
+        trailers: NodeJS.Dict<string>;
+        /**
+         * The raw request/response trailer keys and values exactly as they were
+         * received. Only populated at the `'end'` event.
+         * @since v0.11.6
+         */
+        rawTrailers: string[];
+        /**
+         * Calls `message.socket.setTimeout(msecs, callback)`.
+         * @since v0.5.9
+         */
+        setTimeout(msecs: number, callback?: () => void): this;
+        /**
+         * **Only valid for request obtained from {@link Server}.**
+         *
+         * The request method as a string. Read only. Examples: `'GET'`, `'DELETE'`.
+         * @since v0.1.1
+         */
+        method?: string | undefined;
+        /**
+         * **Only valid for request obtained from {@link Server}.**
+         *
+         * Request URL string. This contains only the URL that is present in the actual
+         * HTTP request. Take the following request:
+         *
+         * ```http
+         * GET /status?name=ryan HTTP/1.1
+         * Accept: text/plain
+         * ```
+         *
+         * To parse the URL into its parts:
+         *
+         * ```js
+         * new URL(request.url, `http://${request.getHeaders().host}`);
+         * ```
+         *
+         * When `request.url` is `'/status?name=ryan'` and`request.getHeaders().host` is `'localhost:3000'`:
+         *
+         * ```console
+         * $ node
+         * > new URL(request.url, `http://${request.getHeaders().host}`)
+         * URL {
+         *   href: 'http://localhost:3000/status?name=ryan',
+         *   origin: 'http://localhost:3000',
+         *   protocol: 'http:',
+         *   username: '',
+         *   password: '',
+         *   host: 'localhost:3000',
+         *   hostname: 'localhost',
+         *   port: '3000',
+         *   pathname: '/status',
+         *   search: '?name=ryan',
+         *   searchParams: URLSearchParams { 'name' => 'ryan' },
+         *   hash: ''
+         * }
+         * ```
+         * @since v0.1.90
+         */
+        url?: string | undefined;
+        /**
+         * **Only valid for response obtained from {@link ClientRequest}.**
+         *
+         * The 3-digit HTTP response status code. E.G. `404`.
+         * @since v0.1.1
+         */
+        statusCode?: number | undefined;
+        /**
+         * **Only valid for response obtained from {@link ClientRequest}.**
+         *
+         * The HTTP response status message (reason phrase). E.G. `OK` or `Internal Server Error`.
+         * @since v0.11.10
+         */
+        statusMessage?: string | undefined;
+        /**
+         * Calls `destroy()` on the socket that received the `IncomingMessage`. If `error`is provided, an `'error'` event is emitted on the socket and `error` is passed
+         * as an argument to any listeners on the event.
+         * @since v0.3.0
+         */
+        destroy(error?: Error): this;
+    }
+    interface AgentOptions extends Partial<TcpSocketConnectOpts> {
+        /**
+         * Keep sockets around in a pool to be used by other requests in the future. Default = false
+         */
+        keepAlive?: boolean | undefined;
+        /**
+         * When using HTTP KeepAlive, how often to send TCP KeepAlive packets over sockets being kept alive. Default = 1000.
+         * Only relevant if keepAlive is set to true.
+         */
+        keepAliveMsecs?: number | undefined;
+        /**
+         * Maximum number of sockets to allow per host. Default for Node 0.10 is 5, default for Node 0.12 is Infinity
+         */
+        maxSockets?: number | undefined;
+        /**
+         * Maximum number of sockets allowed for all hosts in total. Each request will use a new socket until the maximum is reached. Default: Infinity.
+         */
+        maxTotalSockets?: number | undefined;
+        /**
+         * Maximum number of sockets to leave open in a free state. Only relevant if keepAlive is set to true. Default = 256.
+         */
+        maxFreeSockets?: number | undefined;
+        /**
+         * Socket timeout in milliseconds. This will set the timeout after the socket is connected.
+         */
+        timeout?: number | undefined;
+        /**
+         * Scheduling strategy to apply when picking the next free socket to use.
+         * @default `lifo`
+         */
+        scheduling?: 'fifo' | 'lifo' | undefined;
+    }
+    /**
+     * An `Agent` is responsible for managing connection persistence
+     * and reuse for HTTP clients. It maintains a queue of pending requests
+     * for a given host and port, reusing a single socket connection for each
+     * until the queue is empty, at which time the socket is either destroyed
+     * or put into a pool where it is kept to be used again for requests to the
+     * same host and port. Whether it is destroyed or pooled depends on the`keepAlive` `option`.
+     *
+     * Pooled connections have TCP Keep-Alive enabled for them, but servers may
+     * still close idle connections, in which case they will be removed from the
+     * pool and a new connection will be made when a new HTTP request is made for
+     * that host and port. Servers may also refuse to allow multiple requests
+     * over the same connection, in which case the connection will have to be
+     * remade for every request and cannot be pooled. The `Agent` will still make
+     * the requests to that server, but each one will occur over a new connection.
+     *
+     * When a connection is closed by the client or the server, it is removed
+     * from the pool. Any unused sockets in the pool will be unrefed so as not
+     * to keep the Node.js process running when there are no outstanding requests.
+     * (see `socket.unref()`).
+     *
+     * It is good practice, to `destroy()` an `Agent` instance when it is no
+     * longer in use, because unused sockets consume OS resources.
+     *
+     * Sockets are removed from an agent when the socket emits either
+     * a `'close'` event or an `'agentRemove'` event. When intending to keep one
+     * HTTP request open for a long time without keeping it in the agent, something
+     * like the following may be done:
+     *
+     * ```js
+     * http.get(options, (res) => {
+     *   // Do stuff
+     * }).on('socket', (socket) => {
+     *   socket.emit('agentRemove');
+     * });
+     * ```
+     *
+     * An agent may also be used for an individual request. By providing`{agent: false}` as an option to the `http.get()` or `http.request()`functions, a one-time use `Agent` with default options
+     * will be used
+     * for the client connection.
+     *
+     * `agent:false`:
+     *
+     * ```js
+     * http.get({
+     *   hostname: 'localhost',
+     *   port: 80,
+     *   path: '/',
+     *   agent: false  // Create a new agent just for this one request
+     * }, (res) => {
+     *   // Do stuff with response
+     * });
+     * ```
+     * @since v0.3.4
+     */
+    class Agent {
+        /**
+         * By default set to 256\. For agents with `keepAlive` enabled, this
+         * sets the maximum number of sockets that will be left open in the free
+         * state.
+         * @since v0.11.7
+         */
+        maxFreeSockets: number;
+        /**
+         * By default set to `Infinity`. Determines how many concurrent sockets the agent
+         * can have open per origin. Origin is the returned value of `agent.getName()`.
+         * @since v0.3.6
+         */
+        maxSockets: number;
+        /**
+         * By default set to `Infinity`. Determines how many concurrent sockets the agent
+         * can have open. Unlike `maxSockets`, this parameter applies across all origins.
+         * @since v14.5.0, v12.19.0
+         */
+        maxTotalSockets: number;
+        /**
+         * An object which contains arrays of sockets currently awaiting use by
+         * the agent when `keepAlive` is enabled. Do not modify.
+         *
+         * Sockets in the `freeSockets` list will be automatically destroyed and
+         * removed from the array on `'timeout'`.
+         * @since v0.11.4
+         */
+        readonly freeSockets: NodeJS.ReadOnlyDict<Socket[]>;
+        /**
+         * An object which contains arrays of sockets currently in use by the
+         * agent. Do not modify.
+         * @since v0.3.6
+         */
+        readonly sockets: NodeJS.ReadOnlyDict<Socket[]>;
+        /**
+         * An object which contains queues of requests that have not yet been assigned to
+         * sockets. Do not modify.
+         * @since v0.5.9
+         */
+        readonly requests: NodeJS.ReadOnlyDict<IncomingMessage[]>;
+        constructor(opts?: AgentOptions);
+        /**
+         * Destroy any sockets that are currently in use by the agent.
+         *
+         * It is usually not necessary to do this. However, if using an
+         * agent with `keepAlive` enabled, then it is best to explicitly shut down
+         * the agent when it is no longer needed. Otherwise,
+         * sockets might stay open for quite a long time before the server
+         * terminates them.
+         * @since v0.11.4
+         */
+        destroy(): void;
+    }
+    const METHODS: string[];
+    const STATUS_CODES: {
+        [errorCode: number]: string | undefined;
+        [errorCode: string]: string | undefined;
+    };
+    /**
+     * Returns a new instance of {@link Server}.
+     *
+     * The `requestListener` is a function which is automatically
+     * added to the `'request'` event.
+     * @since v0.1.13
+     */
+    function createServer<
+        Request extends typeof IncomingMessage = typeof IncomingMessage,
+        Response extends typeof ServerResponse = typeof ServerResponse,
+    >(requestListener?: RequestListener<Request, Response>): Server<Request, Response>;
+    function createServer<
+        Request extends typeof IncomingMessage = typeof IncomingMessage,
+        Response extends typeof ServerResponse = typeof ServerResponse,
+    >(
+        options: ServerOptions<Request, Response>,
+        requestListener?: RequestListener<Request, Response>,
+    ): Server<Request, Response>;
+    // although RequestOptions are passed as ClientRequestArgs to ClientRequest directly,
+    // create interface RequestOptions would make the naming more clear to developers
+    interface RequestOptions extends ClientRequestArgs {}
+    /**
+     * `options` in `socket.connect()` are also supported.
+     *
+     * Node.js maintains several connections per server to make HTTP requests.
+     * This function allows one to transparently issue requests.
+     *
+     * `url` can be a string or a `URL` object. If `url` is a
+     * string, it is automatically parsed with `new URL()`. If it is a `URL` object, it will be automatically converted to an ordinary `options` object.
+     *
+     * If both `url` and `options` are specified, the objects are merged, with the`options` properties taking precedence.
+     *
+     * The optional `callback` parameter will be added as a one-time listener for
+     * the `'response'` event.
+     *
+     * `http.request()` returns an instance of the {@link ClientRequest} class. The `ClientRequest` instance is a writable stream. If one needs to
+     * upload a file with a POST request, then write to the `ClientRequest` object.
+     *
+     * ```js
+     * const http = require('http');
+     *
+     * const postData = JSON.stringify({
+     *   'msg': 'Hello World!'
+     * });
+     *
+     * const options = {
+     *   hostname: 'www.google.com',
+     *   port: 80,
+     *   path: '/upload',
+     *   method: 'POST',
+     *   headers: {
+     *     'Content-Type': 'application/json',
+     *     'Content-Length': Buffer.byteLength(postData)
+     *   }
+     * };
+     *
+     * const req = http.request(options, (res) => {
+     *   console.log(`STATUS: ${res.statusCode}`);
+     *   console.log(`HEADERS: ${JSON.stringify(res.headers)}`);
+     *   res.setEncoding('utf8');
+     *   res.on('data', (chunk) => {
+     *     console.log(`BODY: ${chunk}`);
+     *   });
+     *   res.on('end', () => {
+     *     console.log('No more data in response.');
+     *   });
+     * });
+     *
+     * req.on('error', (e) => {
+     *   console.error(`problem with request: ${e.message}`);
+     * });
+     *
+     * // Write data to request body
+     * req.write(postData);
+     * req.end();
+     * ```
+     *
+     * In the example `req.end()` was called. With `http.request()` one
+     * must always call `req.end()` to signify the end of the request -
+     * even if there is no data being written to the request body.
+     *
+     * If any error is encountered during the request (be that with DNS resolution,
+     * TCP level errors, or actual HTTP parse errors) an `'error'` event is emitted
+     * on the returned request object. As with all `'error'` events, if no listeners
+     * are registered the error will be thrown.
+     *
+     * There are a few special headers that should be noted.
+     *
+     * * Sending a 'Connection: keep-alive' will notify Node.js that the connection to
+     * the server should be persisted until the next request.
+     * * Sending a 'Content-Length' header will disable the default chunked encoding.
+     * * Sending an 'Expect' header will immediately send the request headers.
+     * Usually, when sending 'Expect: 100-continue', both a timeout and a listener
+     * for the `'continue'` event should be set. See RFC 2616 Section 8.2.3 for more
+     * information.
+     * * Sending an Authorization header will override using the `auth` option
+     * to compute basic authentication.
+     *
+     * Example using a `URL` as `options`:
+     *
+     * ```js
+     * const options = new URL('http://abc:xyz@example.com');
+     *
+     * const req = http.request(options, (res) => {
+     *   // ...
+     * });
+     * ```
+     *
+     * In a successful request, the following events will be emitted in the following
+     * order:
+     *
+     * * `'socket'`
+     * * `'response'`
+     *    * `'data'` any number of times, on the `res` object
+     *    (`'data'` will not be emitted at all if the response body is empty, for
+     *    instance, in most redirects)
+     *    * `'end'` on the `res` object
+     * * `'close'`
+     *
+     * In the case of a connection error, the following events will be emitted:
+     *
+     * * `'socket'`
+     * * `'error'`
+     * * `'close'`
+     *
+     * In the case of a premature connection close before the response is received,
+     * the following events will be emitted in the following order:
+     *
+     * * `'socket'`
+     * * `'error'` with an error with message `'Error: socket hang up'` and code`'ECONNRESET'`
+     * * `'close'`
+     *
+     * In the case of a premature connection close after the response is received,
+     * the following events will be emitted in the following order:
+     *
+     * * `'socket'`
+     * * `'response'`
+     *    * `'data'` any number of times, on the `res` object
+     * * (connection closed here)
+     * * `'aborted'` on the `res` object
+     * * `'error'` on the `res` object with an error with message`'Error: aborted'` and code `'ECONNRESET'`.
+     * * `'close'`
+     * * `'close'` on the `res` object
+     *
+     * If `req.destroy()` is called before a socket is assigned, the following
+     * events will be emitted in the following order:
+     *
+     * * (`req.destroy()` called here)
+     * * `'error'` with an error with message `'Error: socket hang up'` and code`'ECONNRESET'`
+     * * `'close'`
+     *
+     * If `req.destroy()` is called before the connection succeeds, the following
+     * events will be emitted in the following order:
+     *
+     * * `'socket'`
+     * * (`req.destroy()` called here)
+     * * `'error'` with an error with message `'Error: socket hang up'` and code`'ECONNRESET'`
+     * * `'close'`
+     *
+     * If `req.destroy()` is called after the response is received, the following
+     * events will be emitted in the following order:
+     *
+     * * `'socket'`
+     * * `'response'`
+     *    * `'data'` any number of times, on the `res` object
+     * * (`req.destroy()` called here)
+     * * `'aborted'` on the `res` object
+     * * `'error'` on the `res` object with an error with message`'Error: aborted'` and code `'ECONNRESET'`.
+     * * `'close'`
+     * * `'close'` on the `res` object
+     *
+     * If `req.abort()` is called before a socket is assigned, the following
+     * events will be emitted in the following order:
+     *
+     * * (`req.abort()` called here)
+     * * `'abort'`
+     * * `'close'`
+     *
+     * If `req.abort()` is called before the connection succeeds, the following
+     * events will be emitted in the following order:
+     *
+     * * `'socket'`
+     * * (`req.abort()` called here)
+     * * `'abort'`
+     * * `'error'` with an error with message `'Error: socket hang up'` and code`'ECONNRESET'`
+     * * `'close'`
+     *
+     * If `req.abort()` is called after the response is received, the following
+     * events will be emitted in the following order:
+     *
+     * * `'socket'`
+     * * `'response'`
+     *    * `'data'` any number of times, on the `res` object
+     * * (`req.abort()` called here)
+     * * `'abort'`
+     * * `'aborted'` on the `res` object
+     * * `'error'` on the `res` object with an error with message`'Error: aborted'` and code `'ECONNRESET'`.
+     * * `'close'`
+     * * `'close'` on the `res` object
+     *
+     * Setting the `timeout` option or using the `setTimeout()` function will
+     * not abort the request or do anything besides add a `'timeout'` event.
+     *
+     * Passing an `AbortSignal` and then calling `abort` on the corresponding`AbortController` will behave the same way as calling `.destroy()` on the
+     * request itself.
+     * @since v0.3.6
+     */
+    function request(options: RequestOptions | string | URL, callback?: (res: IncomingMessage) => void): ClientRequest;
+    function request(
+        url: string | URL,
+        options: RequestOptions,
+        callback?: (res: IncomingMessage) => void,
+    ): ClientRequest;
+    /**
+     * Since most requests are GET requests without bodies, Node.js provides this
+     * convenience method. The only difference between this method and {@link request} is that it sets the method to GET and calls `req.end()`automatically. The callback must take care to consume the
+     * response
+     * data for reasons stated in {@link ClientRequest} section.
+     *
+     * The `callback` is invoked with a single argument that is an instance of {@link IncomingMessage}.
+     *
+     * JSON fetching example:
+     *
+     * ```js
+     * http.get('http://localhost:8000/', (res) => {
+     *   const { statusCode } = res;
+     *   const contentType = res.headers['content-type'];
+     *
+     *   let error;
+     *   // Any 2xx status code signals a successful response but
+     *   // here we're only checking for 200.
+     *   if (statusCode !== 200) {
+     *     error = new Error('Request Failed.\n' +
+     *                       `Status Code: ${statusCode}`);
+     *   } else if (!/^application\/json/.test(contentType)) {
+     *     error = new Error('Invalid content-type.\n' +
+     *                       `Expected application/json but received ${contentType}`);
+     *   }
+     *   if (error) {
+     *     console.error(error.message);
+     *     // Consume response data to free up memory
+     *     res.resume();
+     *     return;
+     *   }
+     *
+     *   res.setEncoding('utf8');
+     *   let rawData = '';
+     *   res.on('data', (chunk) => { rawData += chunk; });
+     *   res.on('end', () => {
+     *     try {
+     *       const parsedData = JSON.parse(rawData);
+     *       console.log(parsedData);
+     *     } catch (e) {
+     *       console.error(e.message);
+     *     }
+     *   });
+     * }).on('error', (e) => {
+     *   console.error(`Got error: ${e.message}`);
+     * });
+     *
+     * // Create a local server to receive data from
+     * const server = http.createServer((req, res) => {
+     *   res.writeHead(200, { 'Content-Type': 'application/json' });
+     *   res.end(JSON.stringify({
+     *     data: 'Hello World!'
+     *   }));
+     * });
+     *
+     * server.listen(8000);
+     * ```
+     * @since v0.3.6
+     * @param options Accepts the same `options` as {@link request}, with the `method` always set to `GET`. Properties that are inherited from the prototype are ignored.
+     */
+    function get(options: RequestOptions | string | URL, callback?: (res: IncomingMessage) => void): ClientRequest;
+    function get(url: string | URL, options: RequestOptions, callback?: (res: IncomingMessage) => void): ClientRequest;
+    let globalAgent: Agent;
+    /**
+     * Read-only property specifying the maximum allowed size of HTTP headers in bytes.
+     * Defaults to 16KB. Configurable using the `--max-http-header-size` CLI option.
+     */
+    const maxHeaderSize: number;
+}
+declare module 'node:http' {
+    export * from 'http';
+}
diff --git a/node_modules/@types/node/ts4.8/http2.d.ts b/node_modules/@types/node/ts4.8/http2.d.ts
new file mode 100644
index 000000000..0f628b9d7
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/http2.d.ts
@@ -0,0 +1,2106 @@
+/**
+ * The `http2` module provides an implementation of the [HTTP/2](https://tools.ietf.org/html/rfc7540) protocol. It
+ * can be accessed using:
+ *
+ * ```js
+ * const http2 = require('http2');
+ * ```
+ * @since v8.4.0
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/http2.js)
+ */
+declare module 'http2' {
+    import EventEmitter = require('node:events');
+    import * as fs from 'node:fs';
+    import * as net from 'node:net';
+    import * as stream from 'node:stream';
+    import * as tls from 'node:tls';
+    import * as url from 'node:url';
+    import { IncomingHttpHeaders as Http1IncomingHttpHeaders, OutgoingHttpHeaders, IncomingMessage, ServerResponse } from 'node:http';
+    export { OutgoingHttpHeaders } from 'node:http';
+    export interface IncomingHttpStatusHeader {
+        ':status'?: number | undefined;
+    }
+    export interface IncomingHttpHeaders extends Http1IncomingHttpHeaders {
+        ':path'?: string | undefined;
+        ':method'?: string | undefined;
+        ':authority'?: string | undefined;
+        ':scheme'?: string | undefined;
+    }
+    // Http2Stream
+    export interface StreamPriorityOptions {
+        exclusive?: boolean | undefined;
+        parent?: number | undefined;
+        weight?: number | undefined;
+        silent?: boolean | undefined;
+    }
+    export interface StreamState {
+        localWindowSize?: number | undefined;
+        state?: number | undefined;
+        localClose?: number | undefined;
+        remoteClose?: number | undefined;
+        sumDependencyWeight?: number | undefined;
+        weight?: number | undefined;
+    }
+    export interface ServerStreamResponseOptions {
+        endStream?: boolean | undefined;
+        waitForTrailers?: boolean | undefined;
+    }
+    export interface StatOptions {
+        offset: number;
+        length: number;
+    }
+    export interface ServerStreamFileResponseOptions {
+        statCheck?(stats: fs.Stats, headers: OutgoingHttpHeaders, statOptions: StatOptions): void | boolean;
+        waitForTrailers?: boolean | undefined;
+        offset?: number | undefined;
+        length?: number | undefined;
+    }
+    export interface ServerStreamFileResponseOptionsWithError extends ServerStreamFileResponseOptions {
+        onError?(err: NodeJS.ErrnoException): void;
+    }
+    export interface Http2Stream extends stream.Duplex {
+        /**
+         * Set to `true` if the `Http2Stream` instance was aborted abnormally. When set,
+         * the `'aborted'` event will have been emitted.
+         * @since v8.4.0
+         */
+        readonly aborted: boolean;
+        /**
+         * This property shows the number of characters currently buffered to be written.
+         * See `net.Socket.bufferSize` for details.
+         * @since v11.2.0, v10.16.0
+         */
+        readonly bufferSize: number;
+        /**
+         * Set to `true` if the `Http2Stream` instance has been closed.
+         * @since v9.4.0
+         */
+        readonly closed: boolean;
+        /**
+         * Set to `true` if the `Http2Stream` instance has been destroyed and is no longer
+         * usable.
+         * @since v8.4.0
+         */
+        readonly destroyed: boolean;
+        /**
+         * Set to `true` if the `END_STREAM` flag was set in the request or response
+         * HEADERS frame received, indicating that no additional data should be received
+         * and the readable side of the `Http2Stream` will be closed.
+         * @since v10.11.0
+         */
+        readonly endAfterHeaders: boolean;
+        /**
+         * The numeric stream identifier of this `Http2Stream` instance. Set to `undefined`if the stream identifier has not yet been assigned.
+         * @since v8.4.0
+         */
+        readonly id?: number | undefined;
+        /**
+         * Set to `true` if the `Http2Stream` instance has not yet been assigned a
+         * numeric stream identifier.
+         * @since v9.4.0
+         */
+        readonly pending: boolean;
+        /**
+         * Set to the `RST_STREAM` `error code` reported when the `Http2Stream` is
+         * destroyed after either receiving an `RST_STREAM` frame from the connected peer,
+         * calling `http2stream.close()`, or `http2stream.destroy()`. Will be`undefined` if the `Http2Stream` has not been closed.
+         * @since v8.4.0
+         */
+        readonly rstCode: number;
+        /**
+         * An object containing the outbound headers sent for this `Http2Stream`.
+         * @since v9.5.0
+         */
+        readonly sentHeaders: OutgoingHttpHeaders;
+        /**
+         * An array of objects containing the outbound informational (additional) headers
+         * sent for this `Http2Stream`.
+         * @since v9.5.0
+         */
+        readonly sentInfoHeaders?: OutgoingHttpHeaders[] | undefined;
+        /**
+         * An object containing the outbound trailers sent for this `HttpStream`.
+         * @since v9.5.0
+         */
+        readonly sentTrailers?: OutgoingHttpHeaders | undefined;
+        /**
+         * A reference to the `Http2Session` instance that owns this `Http2Stream`. The
+         * value will be `undefined` after the `Http2Stream` instance is destroyed.
+         * @since v8.4.0
+         */
+        readonly session: Http2Session;
+        /**
+         * Provides miscellaneous information about the current state of the`Http2Stream`.
+         *
+         * A current state of this `Http2Stream`.
+         * @since v8.4.0
+         */
+        readonly state: StreamState;
+        /**
+         * Closes the `Http2Stream` instance by sending an `RST_STREAM` frame to the
+         * connected HTTP/2 peer.
+         * @since v8.4.0
+         * @param [code=http2.constants.NGHTTP2_NO_ERROR] Unsigned 32-bit integer identifying the error code.
+         * @param callback An optional function registered to listen for the `'close'` event.
+         */
+        close(code?: number, callback?: () => void): void;
+        /**
+         * Updates the priority for this `Http2Stream` instance.
+         * @since v8.4.0
+         */
+        priority(options: StreamPriorityOptions): void;
+        /**
+         * ```js
+         * const http2 = require('http2');
+         * const client = http2.connect('http://example.org:8000');
+         * const { NGHTTP2_CANCEL } = http2.constants;
+         * const req = client.request({ ':path': '/' });
+         *
+         * // Cancel the stream if there's no activity after 5 seconds
+         * req.setTimeout(5000, () => req.close(NGHTTP2_CANCEL));
+         * ```
+         * @since v8.4.0
+         */
+        setTimeout(msecs: number, callback?: () => void): void;
+        /**
+         * Sends a trailing `HEADERS` frame to the connected HTTP/2 peer. This method
+         * will cause the `Http2Stream` to be immediately closed and must only be
+         * called after the `'wantTrailers'` event has been emitted. When sending a
+         * request or sending a response, the `options.waitForTrailers` option must be set
+         * in order to keep the `Http2Stream` open after the final `DATA` frame so that
+         * trailers can be sent.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   stream.respond(undefined, { waitForTrailers: true });
+         *   stream.on('wantTrailers', () => {
+         *     stream.sendTrailers({ xyz: 'abc' });
+         *   });
+         *   stream.end('Hello World');
+         * });
+         * ```
+         *
+         * The HTTP/1 specification forbids trailers from containing HTTP/2 pseudo-header
+         * fields (e.g. `':method'`, `':path'`, etc).
+         * @since v10.0.0
+         */
+        sendTrailers(headers: OutgoingHttpHeaders): void;
+        addListener(event: 'aborted', listener: () => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        addListener(event: 'drain', listener: () => void): this;
+        addListener(event: 'end', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'finish', listener: () => void): this;
+        addListener(event: 'frameError', listener: (frameType: number, errorCode: number) => void): this;
+        addListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: 'streamClosed', listener: (code: number) => void): this;
+        addListener(event: 'timeout', listener: () => void): this;
+        addListener(event: 'trailers', listener: (trailers: IncomingHttpHeaders, flags: number) => void): this;
+        addListener(event: 'wantTrailers', listener: () => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'aborted'): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'data', chunk: Buffer | string): boolean;
+        emit(event: 'drain'): boolean;
+        emit(event: 'end'): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'finish'): boolean;
+        emit(event: 'frameError', frameType: number, errorCode: number): boolean;
+        emit(event: 'pipe', src: stream.Readable): boolean;
+        emit(event: 'unpipe', src: stream.Readable): boolean;
+        emit(event: 'streamClosed', code: number): boolean;
+        emit(event: 'timeout'): boolean;
+        emit(event: 'trailers', trailers: IncomingHttpHeaders, flags: number): boolean;
+        emit(event: 'wantTrailers'): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'aborted', listener: () => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        on(event: 'drain', listener: () => void): this;
+        on(event: 'end', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'finish', listener: () => void): this;
+        on(event: 'frameError', listener: (frameType: number, errorCode: number) => void): this;
+        on(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        on(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        on(event: 'streamClosed', listener: (code: number) => void): this;
+        on(event: 'timeout', listener: () => void): this;
+        on(event: 'trailers', listener: (trailers: IncomingHttpHeaders, flags: number) => void): this;
+        on(event: 'wantTrailers', listener: () => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'aborted', listener: () => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        once(event: 'drain', listener: () => void): this;
+        once(event: 'end', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'finish', listener: () => void): this;
+        once(event: 'frameError', listener: (frameType: number, errorCode: number) => void): this;
+        once(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        once(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        once(event: 'streamClosed', listener: (code: number) => void): this;
+        once(event: 'timeout', listener: () => void): this;
+        once(event: 'trailers', listener: (trailers: IncomingHttpHeaders, flags: number) => void): this;
+        once(event: 'wantTrailers', listener: () => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'aborted', listener: () => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        prependListener(event: 'drain', listener: () => void): this;
+        prependListener(event: 'end', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'finish', listener: () => void): this;
+        prependListener(event: 'frameError', listener: (frameType: number, errorCode: number) => void): this;
+        prependListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: 'streamClosed', listener: (code: number) => void): this;
+        prependListener(event: 'timeout', listener: () => void): this;
+        prependListener(event: 'trailers', listener: (trailers: IncomingHttpHeaders, flags: number) => void): this;
+        prependListener(event: 'wantTrailers', listener: () => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'aborted', listener: () => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        prependOnceListener(event: 'drain', listener: () => void): this;
+        prependOnceListener(event: 'end', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'finish', listener: () => void): this;
+        prependOnceListener(event: 'frameError', listener: (frameType: number, errorCode: number) => void): this;
+        prependOnceListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: 'streamClosed', listener: (code: number) => void): this;
+        prependOnceListener(event: 'timeout', listener: () => void): this;
+        prependOnceListener(event: 'trailers', listener: (trailers: IncomingHttpHeaders, flags: number) => void): this;
+        prependOnceListener(event: 'wantTrailers', listener: () => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    export interface ClientHttp2Stream extends Http2Stream {
+        addListener(event: 'continue', listener: () => {}): this;
+        addListener(event: 'headers', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        addListener(event: 'push', listener: (headers: IncomingHttpHeaders, flags: number) => void): this;
+        addListener(event: 'response', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'continue'): boolean;
+        emit(event: 'headers', headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number): boolean;
+        emit(event: 'push', headers: IncomingHttpHeaders, flags: number): boolean;
+        emit(event: 'response', headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'continue', listener: () => {}): this;
+        on(event: 'headers', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        on(event: 'push', listener: (headers: IncomingHttpHeaders, flags: number) => void): this;
+        on(event: 'response', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'continue', listener: () => {}): this;
+        once(event: 'headers', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        once(event: 'push', listener: (headers: IncomingHttpHeaders, flags: number) => void): this;
+        once(event: 'response', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'continue', listener: () => {}): this;
+        prependListener(event: 'headers', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        prependListener(event: 'push', listener: (headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependListener(event: 'response', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'continue', listener: () => {}): this;
+        prependOnceListener(event: 'headers', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        prependOnceListener(event: 'push', listener: (headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependOnceListener(event: 'response', listener: (headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    export interface ServerHttp2Stream extends Http2Stream {
+        /**
+         * True if headers were sent, false otherwise (read-only).
+         * @since v8.4.0
+         */
+        readonly headersSent: boolean;
+        /**
+         * Read-only property mapped to the `SETTINGS_ENABLE_PUSH` flag of the remote
+         * client's most recent `SETTINGS` frame. Will be `true` if the remote peer
+         * accepts push streams, `false` otherwise. Settings are the same for every`Http2Stream` in the same `Http2Session`.
+         * @since v8.4.0
+         */
+        readonly pushAllowed: boolean;
+        /**
+         * Sends an additional informational `HEADERS` frame to the connected HTTP/2 peer.
+         * @since v8.4.0
+         */
+        additionalHeaders(headers: OutgoingHttpHeaders): void;
+        /**
+         * Initiates a push stream. The callback is invoked with the new `Http2Stream`instance created for the push stream passed as the second argument, or an`Error` passed as the first argument.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   stream.respond({ ':status': 200 });
+         *   stream.pushStream({ ':path': '/' }, (err, pushStream, headers) => {
+         *     if (err) throw err;
+         *     pushStream.respond({ ':status': 200 });
+         *     pushStream.end('some pushed data');
+         *   });
+         *   stream.end('some data');
+         * });
+         * ```
+         *
+         * Setting the weight of a push stream is not allowed in the `HEADERS` frame. Pass
+         * a `weight` value to `http2stream.priority` with the `silent` option set to`true` to enable server-side bandwidth balancing between concurrent streams.
+         *
+         * Calling `http2stream.pushStream()` from within a pushed stream is not permitted
+         * and will throw an error.
+         * @since v8.4.0
+         * @param callback Callback that is called once the push stream has been initiated.
+         */
+        pushStream(headers: OutgoingHttpHeaders, callback?: (err: Error | null, pushStream: ServerHttp2Stream, headers: OutgoingHttpHeaders) => void): void;
+        pushStream(headers: OutgoingHttpHeaders, options?: StreamPriorityOptions, callback?: (err: Error | null, pushStream: ServerHttp2Stream, headers: OutgoingHttpHeaders) => void): void;
+        /**
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   stream.respond({ ':status': 200 });
+         *   stream.end('some data');
+         * });
+         * ```
+         *
+         * When the `options.waitForTrailers` option is set, the `'wantTrailers'` event
+         * will be emitted immediately after queuing the last chunk of payload data to be
+         * sent. The `http2stream.sendTrailers()` method can then be used to sent trailing
+         * header fields to the peer.
+         *
+         * When `options.waitForTrailers` is set, the `Http2Stream` will not automatically
+         * close when the final `DATA` frame is transmitted. User code must call either`http2stream.sendTrailers()` or `http2stream.close()` to close the`Http2Stream`.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   stream.respond({ ':status': 200 }, { waitForTrailers: true });
+         *   stream.on('wantTrailers', () => {
+         *     stream.sendTrailers({ ABC: 'some value to send' });
+         *   });
+         *   stream.end('some data');
+         * });
+         * ```
+         * @since v8.4.0
+         */
+        respond(headers?: OutgoingHttpHeaders, options?: ServerStreamResponseOptions): void;
+        /**
+         * Initiates a response whose data is read from the given file descriptor. No
+         * validation is performed on the given file descriptor. If an error occurs while
+         * attempting to read data using the file descriptor, the `Http2Stream` will be
+         * closed using an `RST_STREAM` frame using the standard `INTERNAL_ERROR` code.
+         *
+         * When used, the `Http2Stream` object's `Duplex` interface will be closed
+         * automatically.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const fs = require('fs');
+         *
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   const fd = fs.openSync('/some/file', 'r');
+         *
+         *   const stat = fs.fstatSync(fd);
+         *   const headers = {
+         *     'content-length': stat.size,
+         *     'last-modified': stat.mtime.toUTCString(),
+         *     'content-type': 'text/plain; charset=utf-8'
+         *   };
+         *   stream.respondWithFD(fd, headers);
+         *   stream.on('close', () => fs.closeSync(fd));
+         * });
+         * ```
+         *
+         * The optional `options.statCheck` function may be specified to give user code
+         * an opportunity to set additional content headers based on the `fs.Stat` details
+         * of the given fd. If the `statCheck` function is provided, the`http2stream.respondWithFD()` method will perform an `fs.fstat()` call to
+         * collect details on the provided file descriptor.
+         *
+         * The `offset` and `length` options may be used to limit the response to a
+         * specific range subset. This can be used, for instance, to support HTTP Range
+         * requests.
+         *
+         * The file descriptor or `FileHandle` is not closed when the stream is closed,
+         * so it will need to be closed manually once it is no longer needed.
+         * Using the same file descriptor concurrently for multiple streams
+         * is not supported and may result in data loss. Re-using a file descriptor
+         * after a stream has finished is supported.
+         *
+         * When the `options.waitForTrailers` option is set, the `'wantTrailers'` event
+         * will be emitted immediately after queuing the last chunk of payload data to be
+         * sent. The `http2stream.sendTrailers()` method can then be used to sent trailing
+         * header fields to the peer.
+         *
+         * When `options.waitForTrailers` is set, the `Http2Stream` will not automatically
+         * close when the final `DATA` frame is transmitted. User code _must_ call either`http2stream.sendTrailers()` or `http2stream.close()` to close the`Http2Stream`.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const fs = require('fs');
+         *
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   const fd = fs.openSync('/some/file', 'r');
+         *
+         *   const stat = fs.fstatSync(fd);
+         *   const headers = {
+         *     'content-length': stat.size,
+         *     'last-modified': stat.mtime.toUTCString(),
+         *     'content-type': 'text/plain; charset=utf-8'
+         *   };
+         *   stream.respondWithFD(fd, headers, { waitForTrailers: true });
+         *   stream.on('wantTrailers', () => {
+         *     stream.sendTrailers({ ABC: 'some value to send' });
+         *   });
+         *
+         *   stream.on('close', () => fs.closeSync(fd));
+         * });
+         * ```
+         * @since v8.4.0
+         * @param fd A readable file descriptor.
+         */
+        respondWithFD(fd: number | fs.promises.FileHandle, headers?: OutgoingHttpHeaders, options?: ServerStreamFileResponseOptions): void;
+        /**
+         * Sends a regular file as the response. The `path` must specify a regular file
+         * or an `'error'` event will be emitted on the `Http2Stream` object.
+         *
+         * When used, the `Http2Stream` object's `Duplex` interface will be closed
+         * automatically.
+         *
+         * The optional `options.statCheck` function may be specified to give user code
+         * an opportunity to set additional content headers based on the `fs.Stat` details
+         * of the given file:
+         *
+         * If an error occurs while attempting to read the file data, the `Http2Stream`will be closed using an `RST_STREAM` frame using the standard `INTERNAL_ERROR`code. If the `onError` callback is
+         * defined, then it will be called. Otherwise
+         * the stream will be destroyed.
+         *
+         * Example using a file path:
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   function statCheck(stat, headers) {
+         *     headers['last-modified'] = stat.mtime.toUTCString();
+         *   }
+         *
+         *   function onError(err) {
+         *     // stream.respond() can throw if the stream has been destroyed by
+         *     // the other side.
+         *     try {
+         *       if (err.code === 'ENOENT') {
+         *         stream.respond({ ':status': 404 });
+         *       } else {
+         *         stream.respond({ ':status': 500 });
+         *       }
+         *     } catch (err) {
+         *       // Perform actual error handling.
+         *       console.log(err);
+         *     }
+         *     stream.end();
+         *   }
+         *
+         *   stream.respondWithFile('/some/file',
+         *                          { 'content-type': 'text/plain; charset=utf-8' },
+         *                          { statCheck, onError });
+         * });
+         * ```
+         *
+         * The `options.statCheck` function may also be used to cancel the send operation
+         * by returning `false`. For instance, a conditional request may check the stat
+         * results to determine if the file has been modified to return an appropriate`304` response:
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   function statCheck(stat, headers) {
+         *     // Check the stat here...
+         *     stream.respond({ ':status': 304 });
+         *     return false; // Cancel the send operation
+         *   }
+         *   stream.respondWithFile('/some/file',
+         *                          { 'content-type': 'text/plain; charset=utf-8' },
+         *                          { statCheck });
+         * });
+         * ```
+         *
+         * The `content-length` header field will be automatically set.
+         *
+         * The `offset` and `length` options may be used to limit the response to a
+         * specific range subset. This can be used, for instance, to support HTTP Range
+         * requests.
+         *
+         * The `options.onError` function may also be used to handle all the errors
+         * that could happen before the delivery of the file is initiated. The
+         * default behavior is to destroy the stream.
+         *
+         * When the `options.waitForTrailers` option is set, the `'wantTrailers'` event
+         * will be emitted immediately after queuing the last chunk of payload data to be
+         * sent. The `http2stream.sendTrailers()` method can then be used to sent trailing
+         * header fields to the peer.
+         *
+         * When `options.waitForTrailers` is set, the `Http2Stream` will not automatically
+         * close when the final `DATA` frame is transmitted. User code must call either`http2stream.sendTrailers()` or `http2stream.close()` to close the`Http2Stream`.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer();
+         * server.on('stream', (stream) => {
+         *   stream.respondWithFile('/some/file',
+         *                          { 'content-type': 'text/plain; charset=utf-8' },
+         *                          { waitForTrailers: true });
+         *   stream.on('wantTrailers', () => {
+         *     stream.sendTrailers({ ABC: 'some value to send' });
+         *   });
+         * });
+         * ```
+         * @since v8.4.0
+         */
+        respondWithFile(path: string, headers?: OutgoingHttpHeaders, options?: ServerStreamFileResponseOptionsWithError): void;
+    }
+    // Http2Session
+    export interface Settings {
+        headerTableSize?: number | undefined;
+        enablePush?: boolean | undefined;
+        initialWindowSize?: number | undefined;
+        maxFrameSize?: number | undefined;
+        maxConcurrentStreams?: number | undefined;
+        maxHeaderListSize?: number | undefined;
+        enableConnectProtocol?: boolean | undefined;
+    }
+    export interface ClientSessionRequestOptions {
+        endStream?: boolean | undefined;
+        exclusive?: boolean | undefined;
+        parent?: number | undefined;
+        weight?: number | undefined;
+        waitForTrailers?: boolean | undefined;
+        signal?: AbortSignal | undefined;
+    }
+    export interface SessionState {
+        effectiveLocalWindowSize?: number | undefined;
+        effectiveRecvDataLength?: number | undefined;
+        nextStreamID?: number | undefined;
+        localWindowSize?: number | undefined;
+        lastProcStreamID?: number | undefined;
+        remoteWindowSize?: number | undefined;
+        outboundQueueSize?: number | undefined;
+        deflateDynamicTableSize?: number | undefined;
+        inflateDynamicTableSize?: number | undefined;
+    }
+    export interface Http2Session extends EventEmitter {
+        /**
+         * Value will be `undefined` if the `Http2Session` is not yet connected to a
+         * socket, `h2c` if the `Http2Session` is not connected to a `TLSSocket`, or
+         * will return the value of the connected `TLSSocket`'s own `alpnProtocol`property.
+         * @since v9.4.0
+         */
+        readonly alpnProtocol?: string | undefined;
+        /**
+         * Will be `true` if this `Http2Session` instance has been closed, otherwise`false`.
+         * @since v9.4.0
+         */
+        readonly closed: boolean;
+        /**
+         * Will be `true` if this `Http2Session` instance is still connecting, will be set
+         * to `false` before emitting `connect` event and/or calling the `http2.connect`callback.
+         * @since v10.0.0
+         */
+        readonly connecting: boolean;
+        /**
+         * Will be `true` if this `Http2Session` instance has been destroyed and must no
+         * longer be used, otherwise `false`.
+         * @since v8.4.0
+         */
+        readonly destroyed: boolean;
+        /**
+         * Value is `undefined` if the `Http2Session` session socket has not yet been
+         * connected, `true` if the `Http2Session` is connected with a `TLSSocket`,
+         * and `false` if the `Http2Session` is connected to any other kind of socket
+         * or stream.
+         * @since v9.4.0
+         */
+        readonly encrypted?: boolean | undefined;
+        /**
+         * A prototype-less object describing the current local settings of this`Http2Session`. The local settings are local to _this_`Http2Session` instance.
+         * @since v8.4.0
+         */
+        readonly localSettings: Settings;
+        /**
+         * If the `Http2Session` is connected to a `TLSSocket`, the `originSet` property
+         * will return an `Array` of origins for which the `Http2Session` may be
+         * considered authoritative.
+         *
+         * The `originSet` property is only available when using a secure TLS connection.
+         * @since v9.4.0
+         */
+        readonly originSet?: string[] | undefined;
+        /**
+         * Indicates whether the `Http2Session` is currently waiting for acknowledgment of
+         * a sent `SETTINGS` frame. Will be `true` after calling the`http2session.settings()` method. Will be `false` once all sent `SETTINGS`frames have been acknowledged.
+         * @since v8.4.0
+         */
+        readonly pendingSettingsAck: boolean;
+        /**
+         * A prototype-less object describing the current remote settings of this`Http2Session`. The remote settings are set by the _connected_ HTTP/2 peer.
+         * @since v8.4.0
+         */
+        readonly remoteSettings: Settings;
+        /**
+         * Returns a `Proxy` object that acts as a `net.Socket` (or `tls.TLSSocket`) but
+         * limits available methods to ones safe to use with HTTP/2.
+         *
+         * `destroy`, `emit`, `end`, `pause`, `read`, `resume`, and `write` will throw
+         * an error with code `ERR_HTTP2_NO_SOCKET_MANIPULATION`. See `Http2Session and Sockets` for more information.
+         *
+         * `setTimeout` method will be called on this `Http2Session`.
+         *
+         * All other interactions will be routed directly to the socket.
+         * @since v8.4.0
+         */
+        readonly socket: net.Socket | tls.TLSSocket;
+        /**
+         * Provides miscellaneous information about the current state of the`Http2Session`.
+         *
+         * An object describing the current status of this `Http2Session`.
+         * @since v8.4.0
+         */
+        readonly state: SessionState;
+        /**
+         * The `http2session.type` will be equal to`http2.constants.NGHTTP2_SESSION_SERVER` if this `Http2Session` instance is a
+         * server, and `http2.constants.NGHTTP2_SESSION_CLIENT` if the instance is a
+         * client.
+         * @since v8.4.0
+         */
+        readonly type: number;
+        /**
+         * Gracefully closes the `Http2Session`, allowing any existing streams to
+         * complete on their own and preventing new `Http2Stream` instances from being
+         * created. Once closed, `http2session.destroy()`_might_ be called if there
+         * are no open `Http2Stream` instances.
+         *
+         * If specified, the `callback` function is registered as a handler for the`'close'` event.
+         * @since v9.4.0
+         */
+        close(callback?: () => void): void;
+        /**
+         * Immediately terminates the `Http2Session` and the associated `net.Socket` or`tls.TLSSocket`.
+         *
+         * Once destroyed, the `Http2Session` will emit the `'close'` event. If `error`is not undefined, an `'error'` event will be emitted immediately before the`'close'` event.
+         *
+         * If there are any remaining open `Http2Streams` associated with the`Http2Session`, those will also be destroyed.
+         * @since v8.4.0
+         * @param error An `Error` object if the `Http2Session` is being destroyed due to an error.
+         * @param code The HTTP/2 error code to send in the final `GOAWAY` frame. If unspecified, and `error` is not undefined, the default is `INTERNAL_ERROR`, otherwise defaults to `NO_ERROR`.
+         */
+        destroy(error?: Error, code?: number): void;
+        /**
+         * Transmits a `GOAWAY` frame to the connected peer _without_ shutting down the`Http2Session`.
+         * @since v9.4.0
+         * @param code An HTTP/2 error code
+         * @param lastStreamID The numeric ID of the last processed `Http2Stream`
+         * @param opaqueData A `TypedArray` or `DataView` instance containing additional data to be carried within the `GOAWAY` frame.
+         */
+        goaway(code?: number, lastStreamID?: number, opaqueData?: NodeJS.ArrayBufferView): void;
+        /**
+         * Sends a `PING` frame to the connected HTTP/2 peer. A `callback` function must
+         * be provided. The method will return `true` if the `PING` was sent, `false`otherwise.
+         *
+         * The maximum number of outstanding (unacknowledged) pings is determined by the`maxOutstandingPings` configuration option. The default maximum is 10.
+         *
+         * If provided, the `payload` must be a `Buffer`, `TypedArray`, or `DataView`containing 8 bytes of data that will be transmitted with the `PING` and
+         * returned with the ping acknowledgment.
+         *
+         * The callback will be invoked with three arguments: an error argument that will
+         * be `null` if the `PING` was successfully acknowledged, a `duration` argument
+         * that reports the number of milliseconds elapsed since the ping was sent and the
+         * acknowledgment was received, and a `Buffer` containing the 8-byte `PING`payload.
+         *
+         * ```js
+         * session.ping(Buffer.from('abcdefgh'), (err, duration, payload) => {
+         *   if (!err) {
+         *     console.log(`Ping acknowledged in ${duration} milliseconds`);
+         *     console.log(`With payload '${payload.toString()}'`);
+         *   }
+         * });
+         * ```
+         *
+         * If the `payload` argument is not specified, the default payload will be the
+         * 64-bit timestamp (little endian) marking the start of the `PING` duration.
+         * @since v8.9.3
+         * @param payload Optional ping payload.
+         */
+        ping(callback: (err: Error | null, duration: number, payload: Buffer) => void): boolean;
+        ping(payload: NodeJS.ArrayBufferView, callback: (err: Error | null, duration: number, payload: Buffer) => void): boolean;
+        /**
+         * Calls `ref()` on this `Http2Session`instance's underlying `net.Socket`.
+         * @since v9.4.0
+         */
+        ref(): void;
+        /**
+         * Sets the local endpoint's window size.
+         * The `windowSize` is the total window size to set, not
+         * the delta.
+         *
+         * ```js
+         * const http2 = require('http2');
+         *
+         * const server = http2.createServer();
+         * const expectedWindowSize = 2 ** 20;
+         * server.on('connect', (session) => {
+         *
+         *   // Set local window size to be 2 ** 20
+         *   session.setLocalWindowSize(expectedWindowSize);
+         * });
+         * ```
+         * @since v15.3.0, v14.18.0
+         */
+        setLocalWindowSize(windowSize: number): void;
+        /**
+         * Used to set a callback function that is called when there is no activity on
+         * the `Http2Session` after `msecs` milliseconds. The given `callback` is
+         * registered as a listener on the `'timeout'` event.
+         * @since v8.4.0
+         */
+        setTimeout(msecs: number, callback?: () => void): void;
+        /**
+         * Updates the current local settings for this `Http2Session` and sends a new`SETTINGS` frame to the connected HTTP/2 peer.
+         *
+         * Once called, the `http2session.pendingSettingsAck` property will be `true`while the session is waiting for the remote peer to acknowledge the new
+         * settings.
+         *
+         * The new settings will not become effective until the `SETTINGS` acknowledgment
+         * is received and the `'localSettings'` event is emitted. It is possible to send
+         * multiple `SETTINGS` frames while acknowledgment is still pending.
+         * @since v8.4.0
+         * @param callback Callback that is called once the session is connected or right away if the session is already connected.
+         */
+        settings(settings: Settings, callback?: (err: Error | null, settings: Settings, duration: number) => void): void;
+        /**
+         * Calls `unref()` on this `Http2Session`instance's underlying `net.Socket`.
+         * @since v9.4.0
+         */
+        unref(): void;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'frameError', listener: (frameType: number, errorCode: number, streamID: number) => void): this;
+        addListener(event: 'goaway', listener: (errorCode: number, lastStreamID: number, opaqueData: Buffer) => void): this;
+        addListener(event: 'localSettings', listener: (settings: Settings) => void): this;
+        addListener(event: 'ping', listener: () => void): this;
+        addListener(event: 'remoteSettings', listener: (settings: Settings) => void): this;
+        addListener(event: 'timeout', listener: () => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'close'): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'frameError', frameType: number, errorCode: number, streamID: number): boolean;
+        emit(event: 'goaway', errorCode: number, lastStreamID: number, opaqueData: Buffer): boolean;
+        emit(event: 'localSettings', settings: Settings): boolean;
+        emit(event: 'ping'): boolean;
+        emit(event: 'remoteSettings', settings: Settings): boolean;
+        emit(event: 'timeout'): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'frameError', listener: (frameType: number, errorCode: number, streamID: number) => void): this;
+        on(event: 'goaway', listener: (errorCode: number, lastStreamID: number, opaqueData: Buffer) => void): this;
+        on(event: 'localSettings', listener: (settings: Settings) => void): this;
+        on(event: 'ping', listener: () => void): this;
+        on(event: 'remoteSettings', listener: (settings: Settings) => void): this;
+        on(event: 'timeout', listener: () => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'frameError', listener: (frameType: number, errorCode: number, streamID: number) => void): this;
+        once(event: 'goaway', listener: (errorCode: number, lastStreamID: number, opaqueData: Buffer) => void): this;
+        once(event: 'localSettings', listener: (settings: Settings) => void): this;
+        once(event: 'ping', listener: () => void): this;
+        once(event: 'remoteSettings', listener: (settings: Settings) => void): this;
+        once(event: 'timeout', listener: () => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'frameError', listener: (frameType: number, errorCode: number, streamID: number) => void): this;
+        prependListener(event: 'goaway', listener: (errorCode: number, lastStreamID: number, opaqueData: Buffer) => void): this;
+        prependListener(event: 'localSettings', listener: (settings: Settings) => void): this;
+        prependListener(event: 'ping', listener: () => void): this;
+        prependListener(event: 'remoteSettings', listener: (settings: Settings) => void): this;
+        prependListener(event: 'timeout', listener: () => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'frameError', listener: (frameType: number, errorCode: number, streamID: number) => void): this;
+        prependOnceListener(event: 'goaway', listener: (errorCode: number, lastStreamID: number, opaqueData: Buffer) => void): this;
+        prependOnceListener(event: 'localSettings', listener: (settings: Settings) => void): this;
+        prependOnceListener(event: 'ping', listener: () => void): this;
+        prependOnceListener(event: 'remoteSettings', listener: (settings: Settings) => void): this;
+        prependOnceListener(event: 'timeout', listener: () => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    export interface ClientHttp2Session extends Http2Session {
+        /**
+         * For HTTP/2 Client `Http2Session` instances only, the `http2session.request()`creates and returns an `Http2Stream` instance that can be used to send an
+         * HTTP/2 request to the connected server.
+         *
+         * When a `ClientHttp2Session` is first created, the socket may not yet be
+         * connected. if `clienthttp2session.request()` is called during this time, the
+         * actual request will be deferred until the socket is ready to go.
+         * If the `session` is closed before the actual request be executed, an`ERR_HTTP2_GOAWAY_SESSION` is thrown.
+         *
+         * This method is only available if `http2session.type` is equal to`http2.constants.NGHTTP2_SESSION_CLIENT`.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const clientSession = http2.connect('https://localhost:1234');
+         * const {
+         *   HTTP2_HEADER_PATH,
+         *   HTTP2_HEADER_STATUS
+         * } = http2.constants;
+         *
+         * const req = clientSession.request({ [HTTP2_HEADER_PATH]: '/' });
+         * req.on('response', (headers) => {
+         *   console.log(headers[HTTP2_HEADER_STATUS]);
+         *   req.on('data', (chunk) => { // ..  });
+         *   req.on('end', () => { // ..  });
+         * });
+         * ```
+         *
+         * When the `options.waitForTrailers` option is set, the `'wantTrailers'` event
+         * is emitted immediately after queuing the last chunk of payload data to be sent.
+         * The `http2stream.sendTrailers()` method can then be called to send trailing
+         * headers to the peer.
+         *
+         * When `options.waitForTrailers` is set, the `Http2Stream` will not automatically
+         * close when the final `DATA` frame is transmitted. User code must call either`http2stream.sendTrailers()` or `http2stream.close()` to close the`Http2Stream`.
+         *
+         * When `options.signal` is set with an `AbortSignal` and then `abort` on the
+         * corresponding `AbortController` is called, the request will emit an `'error'`event with an `AbortError` error.
+         *
+         * The `:method` and `:path` pseudo-headers are not specified within `headers`,
+         * they respectively default to:
+         *
+         * * `:method` \= `'GET'`
+         * * `:path` \= `/`
+         * @since v8.4.0
+         */
+        request(headers?: OutgoingHttpHeaders, options?: ClientSessionRequestOptions): ClientHttp2Stream;
+        addListener(event: 'altsvc', listener: (alt: string, origin: string, stream: number) => void): this;
+        addListener(event: 'origin', listener: (origins: string[]) => void): this;
+        addListener(event: 'connect', listener: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        addListener(event: 'stream', listener: (stream: ClientHttp2Stream, headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'altsvc', alt: string, origin: string, stream: number): boolean;
+        emit(event: 'origin', origins: ReadonlyArray<string>): boolean;
+        emit(event: 'connect', session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket): boolean;
+        emit(event: 'stream', stream: ClientHttp2Stream, headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'altsvc', listener: (alt: string, origin: string, stream: number) => void): this;
+        on(event: 'origin', listener: (origins: string[]) => void): this;
+        on(event: 'connect', listener: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        on(event: 'stream', listener: (stream: ClientHttp2Stream, headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'altsvc', listener: (alt: string, origin: string, stream: number) => void): this;
+        once(event: 'origin', listener: (origins: string[]) => void): this;
+        once(event: 'connect', listener: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        once(event: 'stream', listener: (stream: ClientHttp2Stream, headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'altsvc', listener: (alt: string, origin: string, stream: number) => void): this;
+        prependListener(event: 'origin', listener: (origins: string[]) => void): this;
+        prependListener(event: 'connect', listener: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        prependListener(event: 'stream', listener: (stream: ClientHttp2Stream, headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'altsvc', listener: (alt: string, origin: string, stream: number) => void): this;
+        prependOnceListener(event: 'origin', listener: (origins: string[]) => void): this;
+        prependOnceListener(event: 'connect', listener: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        prependOnceListener(event: 'stream', listener: (stream: ClientHttp2Stream, headers: IncomingHttpHeaders & IncomingHttpStatusHeader, flags: number) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    export interface AlternativeServiceOptions {
+        origin: number | string | url.URL;
+    }
+    export interface ServerHttp2Session extends Http2Session {
+        readonly server: Http2Server | Http2SecureServer;
+        /**
+         * Submits an `ALTSVC` frame (as defined by [RFC 7838](https://tools.ietf.org/html/rfc7838)) to the connected client.
+         *
+         * ```js
+         * const http2 = require('http2');
+         *
+         * const server = http2.createServer();
+         * server.on('session', (session) => {
+         *   // Set altsvc for origin https://example.org:80
+         *   session.altsvc('h2=":8000"', 'https://example.org:80');
+         * });
+         *
+         * server.on('stream', (stream) => {
+         *   // Set altsvc for a specific stream
+         *   stream.session.altsvc('h2=":8000"', stream.id);
+         * });
+         * ```
+         *
+         * Sending an `ALTSVC` frame with a specific stream ID indicates that the alternate
+         * service is associated with the origin of the given `Http2Stream`.
+         *
+         * The `alt` and origin string _must_ contain only ASCII bytes and are
+         * strictly interpreted as a sequence of ASCII bytes. The special value `'clear'`may be passed to clear any previously set alternative service for a given
+         * domain.
+         *
+         * When a string is passed for the `originOrStream` argument, it will be parsed as
+         * a URL and the origin will be derived. For instance, the origin for the
+         * HTTP URL `'https://example.org/foo/bar'` is the ASCII string`'https://example.org'`. An error will be thrown if either the given string
+         * cannot be parsed as a URL or if a valid origin cannot be derived.
+         *
+         * A `URL` object, or any object with an `origin` property, may be passed as`originOrStream`, in which case the value of the `origin` property will be
+         * used. The value of the `origin` property _must_ be a properly serialized
+         * ASCII origin.
+         * @since v9.4.0
+         * @param alt A description of the alternative service configuration as defined by `RFC 7838`.
+         * @param originOrStream Either a URL string specifying the origin (or an `Object` with an `origin` property) or the numeric identifier of an active `Http2Stream` as given by the
+         * `http2stream.id` property.
+         */
+        altsvc(alt: string, originOrStream: number | string | url.URL | AlternativeServiceOptions): void;
+        /**
+         * Submits an `ORIGIN` frame (as defined by [RFC 8336](https://tools.ietf.org/html/rfc8336)) to the connected client
+         * to advertise the set of origins for which the server is capable of providing
+         * authoritative responses.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const options = getSecureOptionsSomehow();
+         * const server = http2.createSecureServer(options);
+         * server.on('stream', (stream) => {
+         *   stream.respond();
+         *   stream.end('ok');
+         * });
+         * server.on('session', (session) => {
+         *   session.origin('https://example.com', 'https://example.org');
+         * });
+         * ```
+         *
+         * When a string is passed as an `origin`, it will be parsed as a URL and the
+         * origin will be derived. For instance, the origin for the HTTP URL`'https://example.org/foo/bar'` is the ASCII string`'https://example.org'`. An error will be thrown if either the given
+         * string
+         * cannot be parsed as a URL or if a valid origin cannot be derived.
+         *
+         * A `URL` object, or any object with an `origin` property, may be passed as
+         * an `origin`, in which case the value of the `origin` property will be
+         * used. The value of the `origin` property _must_ be a properly serialized
+         * ASCII origin.
+         *
+         * Alternatively, the `origins` option may be used when creating a new HTTP/2
+         * server using the `http2.createSecureServer()` method:
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const options = getSecureOptionsSomehow();
+         * options.origins = ['https://example.com', 'https://example.org'];
+         * const server = http2.createSecureServer(options);
+         * server.on('stream', (stream) => {
+         *   stream.respond();
+         *   stream.end('ok');
+         * });
+         * ```
+         * @since v10.12.0
+         * @param origins One or more URL Strings passed as separate arguments.
+         */
+        origin(
+            ...origins: Array<
+                | string
+                | url.URL
+                | {
+                      origin: string;
+                  }
+            >
+        ): void;
+        addListener(event: 'connect', listener: (session: ServerHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        addListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'connect', session: ServerHttp2Session, socket: net.Socket | tls.TLSSocket): boolean;
+        emit(event: 'stream', stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'connect', listener: (session: ServerHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        on(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'connect', listener: (session: ServerHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        once(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'connect', listener: (session: ServerHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        prependListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'connect', listener: (session: ServerHttp2Session, socket: net.Socket | tls.TLSSocket) => void): this;
+        prependOnceListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    // Http2Server
+    export interface SessionOptions {
+        maxDeflateDynamicTableSize?: number | undefined;
+        maxSessionMemory?: number | undefined;
+        maxHeaderListPairs?: number | undefined;
+        maxOutstandingPings?: number | undefined;
+        maxSendHeaderBlockLength?: number | undefined;
+        paddingStrategy?: number | undefined;
+        peerMaxConcurrentStreams?: number | undefined;
+        settings?: Settings | undefined;
+        /**
+         * Specifies a timeout in milliseconds that
+         * a server should wait when an [`'unknownProtocol'`][] is emitted. If the
+         * socket has not been destroyed by that time the server will destroy it.
+         * @default 100000
+         */
+        unknownProtocolTimeout?: number | undefined;
+        selectPadding?(frameLen: number, maxFrameLen: number): number;
+        createConnection?(authority: url.URL, option: SessionOptions): stream.Duplex;
+    }
+    export interface ClientSessionOptions extends SessionOptions {
+        maxReservedRemoteStreams?: number | undefined;
+        createConnection?: ((authority: url.URL, option: SessionOptions) => stream.Duplex) | undefined;
+        protocol?: 'http:' | 'https:' | undefined;
+    }
+    export interface ServerSessionOptions extends SessionOptions {
+        Http1IncomingMessage?: typeof IncomingMessage | undefined;
+        Http1ServerResponse?: typeof ServerResponse | undefined;
+        Http2ServerRequest?: typeof Http2ServerRequest | undefined;
+        Http2ServerResponse?: typeof Http2ServerResponse | undefined;
+    }
+    export interface SecureClientSessionOptions extends ClientSessionOptions, tls.ConnectionOptions {}
+    export interface SecureServerSessionOptions extends ServerSessionOptions, tls.TlsOptions {}
+    export interface ServerOptions extends ServerSessionOptions {}
+    export interface SecureServerOptions extends SecureServerSessionOptions {
+        allowHTTP1?: boolean | undefined;
+        origins?: string[] | undefined;
+    }
+    interface HTTP2ServerCommon {
+        setTimeout(msec?: number, callback?: () => void): this;
+        /**
+         * Throws ERR_HTTP2_INVALID_SETTING_VALUE for invalid settings values.
+         * Throws ERR_INVALID_ARG_TYPE for invalid settings argument.
+         */
+        updateSettings(settings: Settings): void;
+    }
+    export interface Http2Server extends net.Server, HTTP2ServerCommon {
+        addListener(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        addListener(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        addListener(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        addListener(event: 'sessionError', listener: (err: Error) => void): this;
+        addListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        addListener(event: 'timeout', listener: () => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'checkContinue', request: Http2ServerRequest, response: Http2ServerResponse): boolean;
+        emit(event: 'request', request: Http2ServerRequest, response: Http2ServerResponse): boolean;
+        emit(event: 'session', session: ServerHttp2Session): boolean;
+        emit(event: 'sessionError', err: Error): boolean;
+        emit(event: 'stream', stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number): boolean;
+        emit(event: 'timeout'): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        on(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        on(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        on(event: 'sessionError', listener: (err: Error) => void): this;
+        on(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        on(event: 'timeout', listener: () => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        once(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        once(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        once(event: 'sessionError', listener: (err: Error) => void): this;
+        once(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        once(event: 'timeout', listener: () => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependListener(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependListener(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        prependListener(event: 'sessionError', listener: (err: Error) => void): this;
+        prependListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependListener(event: 'timeout', listener: () => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependOnceListener(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependOnceListener(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        prependOnceListener(event: 'sessionError', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependOnceListener(event: 'timeout', listener: () => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    export interface Http2SecureServer extends tls.Server, HTTP2ServerCommon {
+        addListener(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        addListener(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        addListener(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        addListener(event: 'sessionError', listener: (err: Error) => void): this;
+        addListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        addListener(event: 'timeout', listener: () => void): this;
+        addListener(event: 'unknownProtocol', listener: (socket: tls.TLSSocket) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'checkContinue', request: Http2ServerRequest, response: Http2ServerResponse): boolean;
+        emit(event: 'request', request: Http2ServerRequest, response: Http2ServerResponse): boolean;
+        emit(event: 'session', session: ServerHttp2Session): boolean;
+        emit(event: 'sessionError', err: Error): boolean;
+        emit(event: 'stream', stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number): boolean;
+        emit(event: 'timeout'): boolean;
+        emit(event: 'unknownProtocol', socket: tls.TLSSocket): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        on(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        on(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        on(event: 'sessionError', listener: (err: Error) => void): this;
+        on(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        on(event: 'timeout', listener: () => void): this;
+        on(event: 'unknownProtocol', listener: (socket: tls.TLSSocket) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        once(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        once(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        once(event: 'sessionError', listener: (err: Error) => void): this;
+        once(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        once(event: 'timeout', listener: () => void): this;
+        once(event: 'unknownProtocol', listener: (socket: tls.TLSSocket) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependListener(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependListener(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        prependListener(event: 'sessionError', listener: (err: Error) => void): this;
+        prependListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependListener(event: 'timeout', listener: () => void): this;
+        prependListener(event: 'unknownProtocol', listener: (socket: tls.TLSSocket) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'checkContinue', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependOnceListener(event: 'request', listener: (request: Http2ServerRequest, response: Http2ServerResponse) => void): this;
+        prependOnceListener(event: 'session', listener: (session: ServerHttp2Session) => void): this;
+        prependOnceListener(event: 'sessionError', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'stream', listener: (stream: ServerHttp2Stream, headers: IncomingHttpHeaders, flags: number) => void): this;
+        prependOnceListener(event: 'timeout', listener: () => void): this;
+        prependOnceListener(event: 'unknownProtocol', listener: (socket: tls.TLSSocket) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    /**
+     * A `Http2ServerRequest` object is created by {@link Server} or {@link SecureServer} and passed as the first argument to the `'request'` event. It may be used to access a request status,
+     * headers, and
+     * data.
+     * @since v8.4.0
+     */
+    export class Http2ServerRequest extends stream.Readable {
+        constructor(stream: ServerHttp2Stream, headers: IncomingHttpHeaders, options: stream.ReadableOptions, rawHeaders: ReadonlyArray<string>);
+        /**
+         * The `request.aborted` property will be `true` if the request has
+         * been aborted.
+         * @since v10.1.0
+         */
+        readonly aborted: boolean;
+        /**
+         * The request authority pseudo header field. Because HTTP/2 allows requests
+         * to set either `:authority` or `host`, this value is derived from`req.headers[':authority']` if present. Otherwise, it is derived from`req.headers['host']`.
+         * @since v8.4.0
+         */
+        readonly authority: string;
+        /**
+         * See `request.socket`.
+         * @since v8.4.0
+         * @deprecated Since v13.0.0 - Use `socket`.
+         */
+        readonly connection: net.Socket | tls.TLSSocket;
+        /**
+         * The `request.complete` property will be `true` if the request has
+         * been completed, aborted, or destroyed.
+         * @since v12.10.0
+         */
+        readonly complete: boolean;
+        /**
+         * The request/response headers object.
+         *
+         * Key-value pairs of header names and values. Header names are lower-cased.
+         *
+         * ```js
+         * // Prints something like:
+         * //
+         * // { 'user-agent': 'curl/7.22.0',
+         * //   host: '127.0.0.1:8000',
+         * //   accept: '*' }
+         * console.log(request.headers);
+         * ```
+         *
+         * See `HTTP/2 Headers Object`.
+         *
+         * In HTTP/2, the request path, host name, protocol, and method are represented as
+         * special headers prefixed with the `:` character (e.g. `':path'`). These special
+         * headers will be included in the `request.headers` object. Care must be taken not
+         * to inadvertently modify these special headers or errors may occur. For instance,
+         * removing all headers from the request will cause errors to occur:
+         *
+         * ```js
+         * removeAllHeaders(request.headers);
+         * assert(request.url);   // Fails because the :path header has been removed
+         * ```
+         * @since v8.4.0
+         */
+        readonly headers: IncomingHttpHeaders;
+        /**
+         * In case of server request, the HTTP version sent by the client. In the case of
+         * client response, the HTTP version of the connected-to server. Returns`'2.0'`.
+         *
+         * Also `message.httpVersionMajor` is the first integer and`message.httpVersionMinor` is the second.
+         * @since v8.4.0
+         */
+        readonly httpVersion: string;
+        readonly httpVersionMinor: number;
+        readonly httpVersionMajor: number;
+        /**
+         * The request method as a string. Read-only. Examples: `'GET'`, `'DELETE'`.
+         * @since v8.4.0
+         */
+        readonly method: string;
+        /**
+         * The raw request/response headers list exactly as they were received.
+         *
+         * The keys and values are in the same list. It is _not_ a
+         * list of tuples. So, the even-numbered offsets are key values, and the
+         * odd-numbered offsets are the associated values.
+         *
+         * Header names are not lowercased, and duplicates are not merged.
+         *
+         * ```js
+         * // Prints something like:
+         * //
+         * // [ 'user-agent',
+         * //   'this is invalid because there can be only one',
+         * //   'User-Agent',
+         * //   'curl/7.22.0',
+         * //   'Host',
+         * //   '127.0.0.1:8000',
+         * //   'ACCEPT',
+         * //   '*' ]
+         * console.log(request.rawHeaders);
+         * ```
+         * @since v8.4.0
+         */
+        readonly rawHeaders: string[];
+        /**
+         * The raw request/response trailer keys and values exactly as they were
+         * received. Only populated at the `'end'` event.
+         * @since v8.4.0
+         */
+        readonly rawTrailers: string[];
+        /**
+         * The request scheme pseudo header field indicating the scheme
+         * portion of the target URL.
+         * @since v8.4.0
+         */
+        readonly scheme: string;
+        /**
+         * Returns a `Proxy` object that acts as a `net.Socket` (or `tls.TLSSocket`) but
+         * applies getters, setters, and methods based on HTTP/2 logic.
+         *
+         * `destroyed`, `readable`, and `writable` properties will be retrieved from and
+         * set on `request.stream`.
+         *
+         * `destroy`, `emit`, `end`, `on` and `once` methods will be called on`request.stream`.
+         *
+         * `setTimeout` method will be called on `request.stream.session`.
+         *
+         * `pause`, `read`, `resume`, and `write` will throw an error with code`ERR_HTTP2_NO_SOCKET_MANIPULATION`. See `Http2Session and Sockets` for
+         * more information.
+         *
+         * All other interactions will be routed directly to the socket. With TLS support,
+         * use `request.socket.getPeerCertificate()` to obtain the client's
+         * authentication details.
+         * @since v8.4.0
+         */
+        readonly socket: net.Socket | tls.TLSSocket;
+        /**
+         * The `Http2Stream` object backing the request.
+         * @since v8.4.0
+         */
+        readonly stream: ServerHttp2Stream;
+        /**
+         * The request/response trailers object. Only populated at the `'end'` event.
+         * @since v8.4.0
+         */
+        readonly trailers: IncomingHttpHeaders;
+        /**
+         * Request URL string. This contains only the URL that is present in the actual
+         * HTTP request. If the request is:
+         *
+         * ```http
+         * GET /status?name=ryan HTTP/1.1
+         * Accept: text/plain
+         * ```
+         *
+         * Then `request.url` will be:
+         *
+         * ```js
+         * '/status?name=ryan'
+         * ```
+         *
+         * To parse the url into its parts, `new URL()` can be used:
+         *
+         * ```console
+         * $ node
+         * > new URL('/status?name=ryan', 'http://example.com')
+         * URL {
+         *   href: 'http://example.com/status?name=ryan',
+         *   origin: 'http://example.com',
+         *   protocol: 'http:',
+         *   username: '',
+         *   password: '',
+         *   host: 'example.com',
+         *   hostname: 'example.com',
+         *   port: '',
+         *   pathname: '/status',
+         *   search: '?name=ryan',
+         *   searchParams: URLSearchParams { 'name' => 'ryan' },
+         *   hash: ''
+         * }
+         * ```
+         * @since v8.4.0
+         */
+        url: string;
+        /**
+         * Sets the `Http2Stream`'s timeout value to `msecs`. If a callback is
+         * provided, then it is added as a listener on the `'timeout'` event on
+         * the response object.
+         *
+         * If no `'timeout'` listener is added to the request, the response, or
+         * the server, then `Http2Stream` s are destroyed when they time out. If a
+         * handler is assigned to the request, the response, or the server's `'timeout'`events, timed out sockets must be handled explicitly.
+         * @since v8.4.0
+         */
+        setTimeout(msecs: number, callback?: () => void): void;
+        read(size?: number): Buffer | string | null;
+        addListener(event: 'aborted', listener: (hadError: boolean, code: number) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        addListener(event: 'end', listener: () => void): this;
+        addListener(event: 'readable', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'aborted', hadError: boolean, code: number): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'data', chunk: Buffer | string): boolean;
+        emit(event: 'end'): boolean;
+        emit(event: 'readable'): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'aborted', listener: (hadError: boolean, code: number) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        on(event: 'end', listener: () => void): this;
+        on(event: 'readable', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'aborted', listener: (hadError: boolean, code: number) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        once(event: 'end', listener: () => void): this;
+        once(event: 'readable', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'aborted', listener: (hadError: boolean, code: number) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        prependListener(event: 'end', listener: () => void): this;
+        prependListener(event: 'readable', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'aborted', listener: (hadError: boolean, code: number) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'data', listener: (chunk: Buffer | string) => void): this;
+        prependOnceListener(event: 'end', listener: () => void): this;
+        prependOnceListener(event: 'readable', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    /**
+     * This object is created internally by an HTTP server, not by the user. It is
+     * passed as the second parameter to the `'request'` event.
+     * @since v8.4.0
+     */
+    export class Http2ServerResponse extends stream.Writable {
+        constructor(stream: ServerHttp2Stream);
+        /**
+         * See `response.socket`.
+         * @since v8.4.0
+         * @deprecated Since v13.0.0 - Use `socket`.
+         */
+        readonly connection: net.Socket | tls.TLSSocket;
+        /**
+         * Boolean value that indicates whether the response has completed. Starts
+         * as `false`. After `response.end()` executes, the value will be `true`.
+         * @since v8.4.0
+         * @deprecated Since v13.4.0,v12.16.0 - Use `writableEnded`.
+         */
+        readonly finished: boolean;
+        /**
+         * True if headers were sent, false otherwise (read-only).
+         * @since v8.4.0
+         */
+        readonly headersSent: boolean;
+        /**
+         * A reference to the original HTTP2 request object.
+         * @since v15.7.0
+         */
+        readonly req: Http2ServerRequest;
+        /**
+         * Returns a `Proxy` object that acts as a `net.Socket` (or `tls.TLSSocket`) but
+         * applies getters, setters, and methods based on HTTP/2 logic.
+         *
+         * `destroyed`, `readable`, and `writable` properties will be retrieved from and
+         * set on `response.stream`.
+         *
+         * `destroy`, `emit`, `end`, `on` and `once` methods will be called on`response.stream`.
+         *
+         * `setTimeout` method will be called on `response.stream.session`.
+         *
+         * `pause`, `read`, `resume`, and `write` will throw an error with code`ERR_HTTP2_NO_SOCKET_MANIPULATION`. See `Http2Session and Sockets` for
+         * more information.
+         *
+         * All other interactions will be routed directly to the socket.
+         *
+         * ```js
+         * const http2 = require('http2');
+         * const server = http2.createServer((req, res) => {
+         *   const ip = req.socket.remoteAddress;
+         *   const port = req.socket.remotePort;
+         *   res.end(`Your IP address is ${ip} and your source port is ${port}.`);
+         * }).listen(3000);
+         * ```
+         * @since v8.4.0
+         */
+        readonly socket: net.Socket | tls.TLSSocket;
+        /**
+         * The `Http2Stream` object backing the response.
+         * @since v8.4.0
+         */
+        readonly stream: ServerHttp2Stream;
+        /**
+         * When true, the Date header will be automatically generated and sent in
+         * the response if it is not already present in the headers. Defaults to true.
+         *
+         * This should only be disabled for testing; HTTP requires the Date header
+         * in responses.
+         * @since v8.4.0
+         */
+        sendDate: boolean;
+        /**
+         * When using implicit headers (not calling `response.writeHead()` explicitly),
+         * this property controls the status code that will be sent to the client when
+         * the headers get flushed.
+         *
+         * ```js
+         * response.statusCode = 404;
+         * ```
+         *
+         * After response header was sent to the client, this property indicates the
+         * status code which was sent out.
+         * @since v8.4.0
+         */
+        statusCode: number;
+        /**
+         * Status message is not supported by HTTP/2 (RFC 7540 8.1.2.4). It returns
+         * an empty string.
+         * @since v8.4.0
+         */
+        statusMessage: '';
+        /**
+         * This method adds HTTP trailing headers (a header but at the end of the
+         * message) to the response.
+         *
+         * Attempting to set a header field name or value that contains invalid characters
+         * will result in a `TypeError` being thrown.
+         * @since v8.4.0
+         */
+        addTrailers(trailers: OutgoingHttpHeaders): void;
+        /**
+         * This method signals to the server that all of the response headers and body
+         * have been sent; that server should consider this message complete.
+         * The method, `response.end()`, MUST be called on each response.
+         *
+         * If `data` is specified, it is equivalent to calling `response.write(data, encoding)` followed by `response.end(callback)`.
+         *
+         * If `callback` is specified, it will be called when the response stream
+         * is finished.
+         * @since v8.4.0
+         */
+        end(callback?: () => void): this;
+        end(data: string | Uint8Array, callback?: () => void): this;
+        end(data: string | Uint8Array, encoding: BufferEncoding, callback?: () => void): this;
+        /**
+         * Reads out a header that has already been queued but not sent to the client.
+         * The name is case-insensitive.
+         *
+         * ```js
+         * const contentType = response.getHeader('content-type');
+         * ```
+         * @since v8.4.0
+         */
+        getHeader(name: string): string;
+        /**
+         * Returns an array containing the unique names of the current outgoing headers.
+         * All header names are lowercase.
+         *
+         * ```js
+         * response.setHeader('Foo', 'bar');
+         * response.setHeader('Set-Cookie', ['foo=bar', 'bar=baz']);
+         *
+         * const headerNames = response.getHeaderNames();
+         * // headerNames === ['foo', 'set-cookie']
+         * ```
+         * @since v8.4.0
+         */
+        getHeaderNames(): string[];
+        /**
+         * Returns a shallow copy of the current outgoing headers. Since a shallow copy
+         * is used, array values may be mutated without additional calls to various
+         * header-related http module methods. The keys of the returned object are the
+         * header names and the values are the respective header values. All header names
+         * are lowercase.
+         *
+         * The object returned by the `response.getHeaders()` method _does not_prototypically inherit from the JavaScript `Object`. This means that typical`Object` methods such as `obj.toString()`,
+         * `obj.hasOwnProperty()`, and others
+         * are not defined and _will not work_.
+         *
+         * ```js
+         * response.setHeader('Foo', 'bar');
+         * response.setHeader('Set-Cookie', ['foo=bar', 'bar=baz']);
+         *
+         * const headers = response.getHeaders();
+         * // headers === { foo: 'bar', 'set-cookie': ['foo=bar', 'bar=baz'] }
+         * ```
+         * @since v8.4.0
+         */
+        getHeaders(): OutgoingHttpHeaders;
+        /**
+         * Returns `true` if the header identified by `name` is currently set in the
+         * outgoing headers. The header name matching is case-insensitive.
+         *
+         * ```js
+         * const hasContentType = response.hasHeader('content-type');
+         * ```
+         * @since v8.4.0
+         */
+        hasHeader(name: string): boolean;
+        /**
+         * Removes a header that has been queued for implicit sending.
+         *
+         * ```js
+         * response.removeHeader('Content-Encoding');
+         * ```
+         * @since v8.4.0
+         */
+        removeHeader(name: string): void;
+        /**
+         * Sets a single header value for implicit headers. If this header already exists
+         * in the to-be-sent headers, its value will be replaced. Use an array of strings
+         * here to send multiple headers with the same name.
+         *
+         * ```js
+         * response.setHeader('Content-Type', 'text/html; charset=utf-8');
+         * ```
+         *
+         * or
+         *
+         * ```js
+         * response.setHeader('Set-Cookie', ['type=ninja', 'language=javascript']);
+         * ```
+         *
+         * Attempting to set a header field name or value that contains invalid characters
+         * will result in a `TypeError` being thrown.
+         *
+         * When headers have been set with `response.setHeader()`, they will be merged
+         * with any headers passed to `response.writeHead()`, with the headers passed
+         * to `response.writeHead()` given precedence.
+         *
+         * ```js
+         * // Returns content-type = text/plain
+         * const server = http2.createServer((req, res) => {
+         *   res.setHeader('Content-Type', 'text/html; charset=utf-8');
+         *   res.setHeader('X-Foo', 'bar');
+         *   res.writeHead(200, { 'Content-Type': 'text/plain; charset=utf-8' });
+         *   res.end('ok');
+         * });
+         * ```
+         * @since v8.4.0
+         */
+        setHeader(name: string, value: number | string | ReadonlyArray<string>): void;
+        /**
+         * Sets the `Http2Stream`'s timeout value to `msecs`. If a callback is
+         * provided, then it is added as a listener on the `'timeout'` event on
+         * the response object.
+         *
+         * If no `'timeout'` listener is added to the request, the response, or
+         * the server, then `Http2Stream` s are destroyed when they time out. If a
+         * handler is assigned to the request, the response, or the server's `'timeout'`events, timed out sockets must be handled explicitly.
+         * @since v8.4.0
+         */
+        setTimeout(msecs: number, callback?: () => void): void;
+        /**
+         * If this method is called and `response.writeHead()` has not been called,
+         * it will switch to implicit header mode and flush the implicit headers.
+         *
+         * This sends a chunk of the response body. This method may
+         * be called multiple times to provide successive parts of the body.
+         *
+         * In the `http` module, the response body is omitted when the
+         * request is a HEAD request. Similarly, the `204` and `304` responses _must not_ include a message body.
+         *
+         * `chunk` can be a string or a buffer. If `chunk` is a string,
+         * the second parameter specifies how to encode it into a byte stream.
+         * By default the `encoding` is `'utf8'`. `callback` will be called when this chunk
+         * of data is flushed.
+         *
+         * This is the raw HTTP body and has nothing to do with higher-level multi-part
+         * body encodings that may be used.
+         *
+         * The first time `response.write()` is called, it will send the buffered
+         * header information and the first chunk of the body to the client. The second
+         * time `response.write()` is called, Node.js assumes data will be streamed,
+         * and sends the new data separately. That is, the response is buffered up to the
+         * first chunk of the body.
+         *
+         * Returns `true` if the entire data was flushed successfully to the kernel
+         * buffer. Returns `false` if all or part of the data was queued in user memory.`'drain'` will be emitted when the buffer is free again.
+         * @since v8.4.0
+         */
+        write(chunk: string | Uint8Array, callback?: (err: Error) => void): boolean;
+        write(chunk: string | Uint8Array, encoding: BufferEncoding, callback?: (err: Error) => void): boolean;
+        /**
+         * Sends a status `100 Continue` to the client, indicating that the request body
+         * should be sent. See the `'checkContinue'` event on `Http2Server` and`Http2SecureServer`.
+         * @since v8.4.0
+         */
+        writeContinue(): void;
+        /**
+         * Sends a response header to the request. The status code is a 3-digit HTTP
+         * status code, like `404`. The last argument, `headers`, are the response headers.
+         *
+         * Returns a reference to the `Http2ServerResponse`, so that calls can be chained.
+         *
+         * For compatibility with `HTTP/1`, a human-readable `statusMessage` may be
+         * passed as the second argument. However, because the `statusMessage` has no
+         * meaning within HTTP/2, the argument will have no effect and a process warning
+         * will be emitted.
+         *
+         * ```js
+         * const body = 'hello world';
+         * response.writeHead(200, {
+         *   'Content-Length': Buffer.byteLength(body),
+         *   'Content-Type': 'text/plain; charset=utf-8',
+         * });
+         * ```
+         *
+         * `Content-Length` is given in bytes not characters. The`Buffer.byteLength()` API may be used to determine the number of bytes in a
+         * given encoding. On outbound messages, Node.js does not check if Content-Length
+         * and the length of the body being transmitted are equal or not. However, when
+         * receiving messages, Node.js will automatically reject messages when the`Content-Length` does not match the actual payload size.
+         *
+         * This method may be called at most one time on a message before `response.end()` is called.
+         *
+         * If `response.write()` or `response.end()` are called before calling
+         * this, the implicit/mutable headers will be calculated and call this function.
+         *
+         * When headers have been set with `response.setHeader()`, they will be merged
+         * with any headers passed to `response.writeHead()`, with the headers passed
+         * to `response.writeHead()` given precedence.
+         *
+         * ```js
+         * // Returns content-type = text/plain
+         * const server = http2.createServer((req, res) => {
+         *   res.setHeader('Content-Type', 'text/html; charset=utf-8');
+         *   res.setHeader('X-Foo', 'bar');
+         *   res.writeHead(200, { 'Content-Type': 'text/plain; charset=utf-8' });
+         *   res.end('ok');
+         * });
+         * ```
+         *
+         * Attempting to set a header field name or value that contains invalid characters
+         * will result in a `TypeError` being thrown.
+         * @since v8.4.0
+         */
+        writeHead(statusCode: number, headers?: OutgoingHttpHeaders): this;
+        writeHead(statusCode: number, statusMessage: string, headers?: OutgoingHttpHeaders): this;
+        /**
+         * Call `http2stream.pushStream()` with the given headers, and wrap the
+         * given `Http2Stream` on a newly created `Http2ServerResponse` as the callback
+         * parameter if successful. When `Http2ServerRequest` is closed, the callback is
+         * called with an error `ERR_HTTP2_INVALID_STREAM`.
+         * @since v8.4.0
+         * @param headers An object describing the headers
+         * @param callback Called once `http2stream.pushStream()` is finished, or either when the attempt to create the pushed `Http2Stream` has failed or has been rejected, or the state of
+         * `Http2ServerRequest` is closed prior to calling the `http2stream.pushStream()` method
+         */
+        createPushResponse(headers: OutgoingHttpHeaders, callback: (err: Error | null, res: Http2ServerResponse) => void): void;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'drain', listener: () => void): this;
+        addListener(event: 'error', listener: (error: Error) => void): this;
+        addListener(event: 'finish', listener: () => void): this;
+        addListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'close'): boolean;
+        emit(event: 'drain'): boolean;
+        emit(event: 'error', error: Error): boolean;
+        emit(event: 'finish'): boolean;
+        emit(event: 'pipe', src: stream.Readable): boolean;
+        emit(event: 'unpipe', src: stream.Readable): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'drain', listener: () => void): this;
+        on(event: 'error', listener: (error: Error) => void): this;
+        on(event: 'finish', listener: () => void): this;
+        on(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        on(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'drain', listener: () => void): this;
+        once(event: 'error', listener: (error: Error) => void): this;
+        once(event: 'finish', listener: () => void): this;
+        once(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        once(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'drain', listener: () => void): this;
+        prependListener(event: 'error', listener: (error: Error) => void): this;
+        prependListener(event: 'finish', listener: () => void): this;
+        prependListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'drain', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (error: Error) => void): this;
+        prependOnceListener(event: 'finish', listener: () => void): this;
+        prependOnceListener(event: 'pipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: 'unpipe', listener: (src: stream.Readable) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    export namespace constants {
+        const NGHTTP2_SESSION_SERVER: number;
+        const NGHTTP2_SESSION_CLIENT: number;
+        const NGHTTP2_STREAM_STATE_IDLE: number;
+        const NGHTTP2_STREAM_STATE_OPEN: number;
+        const NGHTTP2_STREAM_STATE_RESERVED_LOCAL: number;
+        const NGHTTP2_STREAM_STATE_RESERVED_REMOTE: number;
+        const NGHTTP2_STREAM_STATE_HALF_CLOSED_LOCAL: number;
+        const NGHTTP2_STREAM_STATE_HALF_CLOSED_REMOTE: number;
+        const NGHTTP2_STREAM_STATE_CLOSED: number;
+        const NGHTTP2_NO_ERROR: number;
+        const NGHTTP2_PROTOCOL_ERROR: number;
+        const NGHTTP2_INTERNAL_ERROR: number;
+        const NGHTTP2_FLOW_CONTROL_ERROR: number;
+        const NGHTTP2_SETTINGS_TIMEOUT: number;
+        const NGHTTP2_STREAM_CLOSED: number;
+        const NGHTTP2_FRAME_SIZE_ERROR: number;
+        const NGHTTP2_REFUSED_STREAM: number;
+        const NGHTTP2_CANCEL: number;
+        const NGHTTP2_COMPRESSION_ERROR: number;
+        const NGHTTP2_CONNECT_ERROR: number;
+        const NGHTTP2_ENHANCE_YOUR_CALM: number;
+        const NGHTTP2_INADEQUATE_SECURITY: number;
+        const NGHTTP2_HTTP_1_1_REQUIRED: number;
+        const NGHTTP2_ERR_FRAME_SIZE_ERROR: number;
+        const NGHTTP2_FLAG_NONE: number;
+        const NGHTTP2_FLAG_END_STREAM: number;
+        const NGHTTP2_FLAG_END_HEADERS: number;
+        const NGHTTP2_FLAG_ACK: number;
+        const NGHTTP2_FLAG_PADDED: number;
+        const NGHTTP2_FLAG_PRIORITY: number;
+        const DEFAULT_SETTINGS_HEADER_TABLE_SIZE: number;
+        const DEFAULT_SETTINGS_ENABLE_PUSH: number;
+        const DEFAULT_SETTINGS_INITIAL_WINDOW_SIZE: number;
+        const DEFAULT_SETTINGS_MAX_FRAME_SIZE: number;
+        const MAX_MAX_FRAME_SIZE: number;
+        const MIN_MAX_FRAME_SIZE: number;
+        const MAX_INITIAL_WINDOW_SIZE: number;
+        const NGHTTP2_DEFAULT_WEIGHT: number;
+        const NGHTTP2_SETTINGS_HEADER_TABLE_SIZE: number;
+        const NGHTTP2_SETTINGS_ENABLE_PUSH: number;
+        const NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS: number;
+        const NGHTTP2_SETTINGS_INITIAL_WINDOW_SIZE: number;
+        const NGHTTP2_SETTINGS_MAX_FRAME_SIZE: number;
+        const NGHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE: number;
+        const PADDING_STRATEGY_NONE: number;
+        const PADDING_STRATEGY_MAX: number;
+        const PADDING_STRATEGY_CALLBACK: number;
+        const HTTP2_HEADER_STATUS: string;
+        const HTTP2_HEADER_METHOD: string;
+        const HTTP2_HEADER_AUTHORITY: string;
+        const HTTP2_HEADER_SCHEME: string;
+        const HTTP2_HEADER_PATH: string;
+        const HTTP2_HEADER_ACCEPT_CHARSET: string;
+        const HTTP2_HEADER_ACCEPT_ENCODING: string;
+        const HTTP2_HEADER_ACCEPT_LANGUAGE: string;
+        const HTTP2_HEADER_ACCEPT_RANGES: string;
+        const HTTP2_HEADER_ACCEPT: string;
+        const HTTP2_HEADER_ACCESS_CONTROL_ALLOW_ORIGIN: string;
+        const HTTP2_HEADER_AGE: string;
+        const HTTP2_HEADER_ALLOW: string;
+        const HTTP2_HEADER_AUTHORIZATION: string;
+        const HTTP2_HEADER_CACHE_CONTROL: string;
+        const HTTP2_HEADER_CONNECTION: string;
+        const HTTP2_HEADER_CONTENT_DISPOSITION: string;
+        const HTTP2_HEADER_CONTENT_ENCODING: string;
+        const HTTP2_HEADER_CONTENT_LANGUAGE: string;
+        const HTTP2_HEADER_CONTENT_LENGTH: string;
+        const HTTP2_HEADER_CONTENT_LOCATION: string;
+        const HTTP2_HEADER_CONTENT_MD5: string;
+        const HTTP2_HEADER_CONTENT_RANGE: string;
+        const HTTP2_HEADER_CONTENT_TYPE: string;
+        const HTTP2_HEADER_COOKIE: string;
+        const HTTP2_HEADER_DATE: string;
+        const HTTP2_HEADER_ETAG: string;
+        const HTTP2_HEADER_EXPECT: string;
+        const HTTP2_HEADER_EXPIRES: string;
+        const HTTP2_HEADER_FROM: string;
+        const HTTP2_HEADER_HOST: string;
+        const HTTP2_HEADER_IF_MATCH: string;
+        const HTTP2_HEADER_IF_MODIFIED_SINCE: string;
+        const HTTP2_HEADER_IF_NONE_MATCH: string;
+        const HTTP2_HEADER_IF_RANGE: string;
+        const HTTP2_HEADER_IF_UNMODIFIED_SINCE: string;
+        const HTTP2_HEADER_LAST_MODIFIED: string;
+        const HTTP2_HEADER_LINK: string;
+        const HTTP2_HEADER_LOCATION: string;
+        const HTTP2_HEADER_MAX_FORWARDS: string;
+        const HTTP2_HEADER_PREFER: string;
+        const HTTP2_HEADER_PROXY_AUTHENTICATE: string;
+        const HTTP2_HEADER_PROXY_AUTHORIZATION: string;
+        const HTTP2_HEADER_RANGE: string;
+        const HTTP2_HEADER_REFERER: string;
+        const HTTP2_HEADER_REFRESH: string;
+        const HTTP2_HEADER_RETRY_AFTER: string;
+        const HTTP2_HEADER_SERVER: string;
+        const HTTP2_HEADER_SET_COOKIE: string;
+        const HTTP2_HEADER_STRICT_TRANSPORT_SECURITY: string;
+        const HTTP2_HEADER_TRANSFER_ENCODING: string;
+        const HTTP2_HEADER_TE: string;
+        const HTTP2_HEADER_UPGRADE: string;
+        const HTTP2_HEADER_USER_AGENT: string;
+        const HTTP2_HEADER_VARY: string;
+        const HTTP2_HEADER_VIA: string;
+        const HTTP2_HEADER_WWW_AUTHENTICATE: string;
+        const HTTP2_HEADER_HTTP2_SETTINGS: string;
+        const HTTP2_HEADER_KEEP_ALIVE: string;
+        const HTTP2_HEADER_PROXY_CONNECTION: string;
+        const HTTP2_METHOD_ACL: string;
+        const HTTP2_METHOD_BASELINE_CONTROL: string;
+        const HTTP2_METHOD_BIND: string;
+        const HTTP2_METHOD_CHECKIN: string;
+        const HTTP2_METHOD_CHECKOUT: string;
+        const HTTP2_METHOD_CONNECT: string;
+        const HTTP2_METHOD_COPY: string;
+        const HTTP2_METHOD_DELETE: string;
+        const HTTP2_METHOD_GET: string;
+        const HTTP2_METHOD_HEAD: string;
+        const HTTP2_METHOD_LABEL: string;
+        const HTTP2_METHOD_LINK: string;
+        const HTTP2_METHOD_LOCK: string;
+        const HTTP2_METHOD_MERGE: string;
+        const HTTP2_METHOD_MKACTIVITY: string;
+        const HTTP2_METHOD_MKCALENDAR: string;
+        const HTTP2_METHOD_MKCOL: string;
+        const HTTP2_METHOD_MKREDIRECTREF: string;
+        const HTTP2_METHOD_MKWORKSPACE: string;
+        const HTTP2_METHOD_MOVE: string;
+        const HTTP2_METHOD_OPTIONS: string;
+        const HTTP2_METHOD_ORDERPATCH: string;
+        const HTTP2_METHOD_PATCH: string;
+        const HTTP2_METHOD_POST: string;
+        const HTTP2_METHOD_PRI: string;
+        const HTTP2_METHOD_PROPFIND: string;
+        const HTTP2_METHOD_PROPPATCH: string;
+        const HTTP2_METHOD_PUT: string;
+        const HTTP2_METHOD_REBIND: string;
+        const HTTP2_METHOD_REPORT: string;
+        const HTTP2_METHOD_SEARCH: string;
+        const HTTP2_METHOD_TRACE: string;
+        const HTTP2_METHOD_UNBIND: string;
+        const HTTP2_METHOD_UNCHECKOUT: string;
+        const HTTP2_METHOD_UNLINK: string;
+        const HTTP2_METHOD_UNLOCK: string;
+        const HTTP2_METHOD_UPDATE: string;
+        const HTTP2_METHOD_UPDATEREDIRECTREF: string;
+        const HTTP2_METHOD_VERSION_CONTROL: string;
+        const HTTP_STATUS_CONTINUE: number;
+        const HTTP_STATUS_SWITCHING_PROTOCOLS: number;
+        const HTTP_STATUS_PROCESSING: number;
+        const HTTP_STATUS_OK: number;
+        const HTTP_STATUS_CREATED: number;
+        const HTTP_STATUS_ACCEPTED: number;
+        const HTTP_STATUS_NON_AUTHORITATIVE_INFORMATION: number;
+        const HTTP_STATUS_NO_CONTENT: number;
+        const HTTP_STATUS_RESET_CONTENT: number;
+        const HTTP_STATUS_PARTIAL_CONTENT: number;
+        const HTTP_STATUS_MULTI_STATUS: number;
+        const HTTP_STATUS_ALREADY_REPORTED: number;
+        const HTTP_STATUS_IM_USED: number;
+        const HTTP_STATUS_MULTIPLE_CHOICES: number;
+        const HTTP_STATUS_MOVED_PERMANENTLY: number;
+        const HTTP_STATUS_FOUND: number;
+        const HTTP_STATUS_SEE_OTHER: number;
+        const HTTP_STATUS_NOT_MODIFIED: number;
+        const HTTP_STATUS_USE_PROXY: number;
+        const HTTP_STATUS_TEMPORARY_REDIRECT: number;
+        const HTTP_STATUS_PERMANENT_REDIRECT: number;
+        const HTTP_STATUS_BAD_REQUEST: number;
+        const HTTP_STATUS_UNAUTHORIZED: number;
+        const HTTP_STATUS_PAYMENT_REQUIRED: number;
+        const HTTP_STATUS_FORBIDDEN: number;
+        const HTTP_STATUS_NOT_FOUND: number;
+        const HTTP_STATUS_METHOD_NOT_ALLOWED: number;
+        const HTTP_STATUS_NOT_ACCEPTABLE: number;
+        const HTTP_STATUS_PROXY_AUTHENTICATION_REQUIRED: number;
+        const HTTP_STATUS_REQUEST_TIMEOUT: number;
+        const HTTP_STATUS_CONFLICT: number;
+        const HTTP_STATUS_GONE: number;
+        const HTTP_STATUS_LENGTH_REQUIRED: number;
+        const HTTP_STATUS_PRECONDITION_FAILED: number;
+        const HTTP_STATUS_PAYLOAD_TOO_LARGE: number;
+        const HTTP_STATUS_URI_TOO_LONG: number;
+        const HTTP_STATUS_UNSUPPORTED_MEDIA_TYPE: number;
+        const HTTP_STATUS_RANGE_NOT_SATISFIABLE: number;
+        const HTTP_STATUS_EXPECTATION_FAILED: number;
+        const HTTP_STATUS_TEAPOT: number;
+        const HTTP_STATUS_MISDIRECTED_REQUEST: number;
+        const HTTP_STATUS_UNPROCESSABLE_ENTITY: number;
+        const HTTP_STATUS_LOCKED: number;
+        const HTTP_STATUS_FAILED_DEPENDENCY: number;
+        const HTTP_STATUS_UNORDERED_COLLECTION: number;
+        const HTTP_STATUS_UPGRADE_REQUIRED: number;
+        const HTTP_STATUS_PRECONDITION_REQUIRED: number;
+        const HTTP_STATUS_TOO_MANY_REQUESTS: number;
+        const HTTP_STATUS_REQUEST_HEADER_FIELDS_TOO_LARGE: number;
+        const HTTP_STATUS_UNAVAILABLE_FOR_LEGAL_REASONS: number;
+        const HTTP_STATUS_INTERNAL_SERVER_ERROR: number;
+        const HTTP_STATUS_NOT_IMPLEMENTED: number;
+        const HTTP_STATUS_BAD_GATEWAY: number;
+        const HTTP_STATUS_SERVICE_UNAVAILABLE: number;
+        const HTTP_STATUS_GATEWAY_TIMEOUT: number;
+        const HTTP_STATUS_HTTP_VERSION_NOT_SUPPORTED: number;
+        const HTTP_STATUS_VARIANT_ALSO_NEGOTIATES: number;
+        const HTTP_STATUS_INSUFFICIENT_STORAGE: number;
+        const HTTP_STATUS_LOOP_DETECTED: number;
+        const HTTP_STATUS_BANDWIDTH_LIMIT_EXCEEDED: number;
+        const HTTP_STATUS_NOT_EXTENDED: number;
+        const HTTP_STATUS_NETWORK_AUTHENTICATION_REQUIRED: number;
+    }
+    /**
+     * This symbol can be set as a property on the HTTP/2 headers object with
+     * an array value in order to provide a list of headers considered sensitive.
+     */
+    export const sensitiveHeaders: symbol;
+    /**
+     * Returns an object containing the default settings for an `Http2Session`instance. This method returns a new object instance every time it is called
+     * so instances returned may be safely modified for use.
+     * @since v8.4.0
+     */
+    export function getDefaultSettings(): Settings;
+    /**
+     * Returns a `Buffer` instance containing serialized representation of the given
+     * HTTP/2 settings as specified in the [HTTP/2](https://tools.ietf.org/html/rfc7540) specification. This is intended
+     * for use with the `HTTP2-Settings` header field.
+     *
+     * ```js
+     * const http2 = require('http2');
+     *
+     * const packed = http2.getPackedSettings({ enablePush: false });
+     *
+     * console.log(packed.toString('base64'));
+     * // Prints: AAIAAAAA
+     * ```
+     * @since v8.4.0
+     */
+    export function getPackedSettings(settings: Settings): Buffer;
+    /**
+     * Returns a `HTTP/2 Settings Object` containing the deserialized settings from
+     * the given `Buffer` as generated by `http2.getPackedSettings()`.
+     * @since v8.4.0
+     * @param buf The packed settings.
+     */
+    export function getUnpackedSettings(buf: Uint8Array): Settings;
+    /**
+     * Returns a `net.Server` instance that creates and manages `Http2Session`instances.
+     *
+     * Since there are no browsers known that support [unencrypted HTTP/2](https://http2.github.io/faq/#does-http2-require-encryption), the use of {@link createSecureServer} is necessary when
+     * communicating
+     * with browser clients.
+     *
+     * ```js
+     * const http2 = require('http2');
+     *
+     * // Create an unencrypted HTTP/2 server.
+     * // Since there are no browsers known that support
+     * // unencrypted HTTP/2, the use of `http2.createSecureServer()`
+     * // is necessary when communicating with browser clients.
+     * const server = http2.createServer();
+     *
+     * server.on('stream', (stream, headers) => {
+     *   stream.respond({
+     *     'content-type': 'text/html; charset=utf-8',
+     *     ':status': 200
+     *   });
+     *   stream.end('<h1>Hello World</h1>');
+     * });
+     *
+     * server.listen(80);
+     * ```
+     * @since v8.4.0
+     * @param onRequestHandler See `Compatibility API`
+     */
+    export function createServer(onRequestHandler?: (request: Http2ServerRequest, response: Http2ServerResponse) => void): Http2Server;
+    export function createServer(options: ServerOptions, onRequestHandler?: (request: Http2ServerRequest, response: Http2ServerResponse) => void): Http2Server;
+    /**
+     * Returns a `tls.Server` instance that creates and manages `Http2Session`instances.
+     *
+     * ```js
+     * const http2 = require('http2');
+     * const fs = require('fs');
+     *
+     * const options = {
+     *   key: fs.readFileSync('server-key.pem'),
+     *   cert: fs.readFileSync('server-cert.pem')
+     * };
+     *
+     * // Create a secure HTTP/2 server
+     * const server = http2.createSecureServer(options);
+     *
+     * server.on('stream', (stream, headers) => {
+     *   stream.respond({
+     *     'content-type': 'text/html; charset=utf-8',
+     *     ':status': 200
+     *   });
+     *   stream.end('<h1>Hello World</h1>');
+     * });
+     *
+     * server.listen(80);
+     * ```
+     * @since v8.4.0
+     * @param onRequestHandler See `Compatibility API`
+     */
+    export function createSecureServer(onRequestHandler?: (request: Http2ServerRequest, response: Http2ServerResponse) => void): Http2SecureServer;
+    export function createSecureServer(options: SecureServerOptions, onRequestHandler?: (request: Http2ServerRequest, response: Http2ServerResponse) => void): Http2SecureServer;
+    /**
+     * Returns a `ClientHttp2Session` instance.
+     *
+     * ```js
+     * const http2 = require('http2');
+     * const client = http2.connect('https://localhost:1234');
+     *
+     * // Use the client
+     *
+     * client.close();
+     * ```
+     * @since v8.4.0
+     * @param authority The remote HTTP/2 server to connect to. This must be in the form of a minimal, valid URL with the `http://` or `https://` prefix, host name, and IP port (if a non-default port
+     * is used). Userinfo (user ID and password), path, querystring, and fragment details in the URL will be ignored.
+     * @param listener Will be registered as a one-time listener of the {@link 'connect'} event.
+     */
+    export function connect(authority: string | url.URL, listener: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void): ClientHttp2Session;
+    export function connect(
+        authority: string | url.URL,
+        options?: ClientSessionOptions | SecureClientSessionOptions,
+        listener?: (session: ClientHttp2Session, socket: net.Socket | tls.TLSSocket) => void
+    ): ClientHttp2Session;
+}
+declare module 'node:http2' {
+    export * from 'http2';
+}
diff --git a/node_modules/@types/node/ts4.8/https.d.ts b/node_modules/@types/node/ts4.8/https.d.ts
new file mode 100644
index 000000000..aae4a9584
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/https.d.ts
@@ -0,0 +1,541 @@
+/**
+ * HTTPS is the HTTP protocol over TLS/SSL. In Node.js this is implemented as a
+ * separate module.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/https.js)
+ */
+declare module 'https' {
+    import { Duplex } from 'node:stream';
+    import * as tls from 'node:tls';
+    import * as http from 'node:http';
+    import { URL } from 'node:url';
+    type ServerOptions<
+        Request extends typeof http.IncomingMessage = typeof http.IncomingMessage,
+        Response extends typeof http.ServerResponse = typeof http.ServerResponse,
+    > = tls.SecureContextOptions & tls.TlsOptions & http.ServerOptions<Request, Response>;
+    type RequestOptions = http.RequestOptions &
+        tls.SecureContextOptions & {
+            rejectUnauthorized?: boolean | undefined; // Defaults to true
+            servername?: string | undefined; // SNI TLS Extension
+        };
+    interface AgentOptions extends http.AgentOptions, tls.ConnectionOptions {
+        rejectUnauthorized?: boolean | undefined;
+        maxCachedSessions?: number | undefined;
+    }
+    /**
+     * An `Agent` object for HTTPS similar to `http.Agent`. See {@link request} for more information.
+     * @since v0.4.5
+     */
+    class Agent extends http.Agent {
+        constructor(options?: AgentOptions);
+        options: AgentOptions;
+    }
+    interface Server<
+        Request extends typeof http.IncomingMessage = typeof http.IncomingMessage,
+        Response extends typeof http.ServerResponse = typeof http.ServerResponse,
+    > extends http.Server<Request, Response> {}
+    /**
+     * See `http.Server` for more information.
+     * @since v0.3.4
+     */
+    class Server<
+        Request extends typeof http.IncomingMessage = typeof http.IncomingMessage,
+        Response extends typeof http.ServerResponse = typeof http.ServerResponse,
+    > extends tls.Server {
+        constructor(requestListener?: http.RequestListener<Request, Response>);
+        constructor(
+            options: ServerOptions<Request, Response>,
+            requestListener?: http.RequestListener<Request, Response>,
+        );
+        /**
+         * Closes all connections connected to this server.
+         * @since v18.2.0
+         */
+        closeAllConnections(): void;
+        /**
+         * Closes all connections connected to this server which are not sending a request or waiting for a response.
+         * @since v18.2.0
+         */
+        closeIdleConnections(): void;
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'keylog', listener: (line: Buffer, tlsSocket: tls.TLSSocket) => void): this;
+        addListener(
+            event: 'newSession',
+            listener: (sessionId: Buffer, sessionData: Buffer, callback: (err: Error, resp: Buffer) => void) => void,
+        ): this;
+        addListener(
+            event: 'OCSPRequest',
+            listener: (
+                certificate: Buffer,
+                issuer: Buffer,
+                callback: (err: Error | null, resp: Buffer) => void,
+            ) => void,
+        ): this;
+        addListener(
+            event: 'resumeSession',
+            listener: (sessionId: Buffer, callback: (err: Error, sessionData: Buffer) => void) => void,
+        ): this;
+        addListener(event: 'secureConnection', listener: (tlsSocket: tls.TLSSocket) => void): this;
+        addListener(event: 'tlsClientError', listener: (err: Error, tlsSocket: tls.TLSSocket) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'connection', listener: (socket: Duplex) => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'listening', listener: () => void): this;
+        addListener(event: 'checkContinue', listener: http.RequestListener<Request, Response>): this;
+        addListener(event: 'checkExpectation', listener: http.RequestListener<Request, Response>): this;
+        addListener(event: 'clientError', listener: (err: Error, socket: Duplex) => void): this;
+        addListener(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void,
+        ): this;
+        addListener(event: 'request', listener: http.RequestListener<Request, Response>): this;
+        addListener(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void,
+        ): this;
+        emit(event: string, ...args: any[]): boolean;
+        emit(event: 'keylog', line: Buffer, tlsSocket: tls.TLSSocket): boolean;
+        emit(
+            event: 'newSession',
+            sessionId: Buffer,
+            sessionData: Buffer,
+            callback: (err: Error, resp: Buffer) => void,
+        ): boolean;
+        emit(
+            event: 'OCSPRequest',
+            certificate: Buffer,
+            issuer: Buffer,
+            callback: (err: Error | null, resp: Buffer) => void,
+        ): boolean;
+        emit(event: 'resumeSession', sessionId: Buffer, callback: (err: Error, sessionData: Buffer) => void): boolean;
+        emit(event: 'secureConnection', tlsSocket: tls.TLSSocket): boolean;
+        emit(event: 'tlsClientError', err: Error, tlsSocket: tls.TLSSocket): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'connection', socket: Duplex): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'listening'): boolean;
+        emit(
+            event: 'checkContinue',
+            req: InstanceType<Request>,
+            res: InstanceType<Response> & { req: InstanceType<Request> },
+        ): boolean;
+        emit(
+            event: 'checkExpectation',
+            req: InstanceType<Request>,
+            res: InstanceType<Response> & { req: InstanceType<Request> },
+        ): boolean;
+        emit(event: 'clientError', err: Error, socket: Duplex): boolean;
+        emit(event: 'connect', req: InstanceType<Request>, socket: Duplex, head: Buffer): boolean;
+        emit(
+            event: 'request',
+            req: InstanceType<Request>,
+            res: InstanceType<Response> & { req: InstanceType<Request> },
+        ): boolean;
+        emit(event: 'upgrade', req: InstanceType<Request>, socket: Duplex, head: Buffer): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'keylog', listener: (line: Buffer, tlsSocket: tls.TLSSocket) => void): this;
+        on(
+            event: 'newSession',
+            listener: (sessionId: Buffer, sessionData: Buffer, callback: (err: Error, resp: Buffer) => void) => void,
+        ): this;
+        on(
+            event: 'OCSPRequest',
+            listener: (
+                certificate: Buffer,
+                issuer: Buffer,
+                callback: (err: Error | null, resp: Buffer) => void,
+            ) => void,
+        ): this;
+        on(
+            event: 'resumeSession',
+            listener: (sessionId: Buffer, callback: (err: Error, sessionData: Buffer) => void) => void,
+        ): this;
+        on(event: 'secureConnection', listener: (tlsSocket: tls.TLSSocket) => void): this;
+        on(event: 'tlsClientError', listener: (err: Error, tlsSocket: tls.TLSSocket) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'connection', listener: (socket: Duplex) => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'listening', listener: () => void): this;
+        on(event: 'checkContinue', listener: http.RequestListener<Request, Response>): this;
+        on(event: 'checkExpectation', listener: http.RequestListener<Request, Response>): this;
+        on(event: 'clientError', listener: (err: Error, socket: Duplex) => void): this;
+        on(event: 'connect', listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void): this;
+        on(event: 'request', listener: http.RequestListener<Request, Response>): this;
+        on(event: 'upgrade', listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'keylog', listener: (line: Buffer, tlsSocket: tls.TLSSocket) => void): this;
+        once(
+            event: 'newSession',
+            listener: (sessionId: Buffer, sessionData: Buffer, callback: (err: Error, resp: Buffer) => void) => void,
+        ): this;
+        once(
+            event: 'OCSPRequest',
+            listener: (
+                certificate: Buffer,
+                issuer: Buffer,
+                callback: (err: Error | null, resp: Buffer) => void,
+            ) => void,
+        ): this;
+        once(
+            event: 'resumeSession',
+            listener: (sessionId: Buffer, callback: (err: Error, sessionData: Buffer) => void) => void,
+        ): this;
+        once(event: 'secureConnection', listener: (tlsSocket: tls.TLSSocket) => void): this;
+        once(event: 'tlsClientError', listener: (err: Error, tlsSocket: tls.TLSSocket) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'connection', listener: (socket: Duplex) => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'listening', listener: () => void): this;
+        once(event: 'checkContinue', listener: http.RequestListener<Request, Response>): this;
+        once(event: 'checkExpectation', listener: http.RequestListener<Request, Response>): this;
+        once(event: 'clientError', listener: (err: Error, socket: Duplex) => void): this;
+        once(event: 'connect', listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void): this;
+        once(event: 'request', listener: http.RequestListener<Request, Response>): this;
+        once(event: 'upgrade', listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'keylog', listener: (line: Buffer, tlsSocket: tls.TLSSocket) => void): this;
+        prependListener(
+            event: 'newSession',
+            listener: (sessionId: Buffer, sessionData: Buffer, callback: (err: Error, resp: Buffer) => void) => void,
+        ): this;
+        prependListener(
+            event: 'OCSPRequest',
+            listener: (
+                certificate: Buffer,
+                issuer: Buffer,
+                callback: (err: Error | null, resp: Buffer) => void,
+            ) => void,
+        ): this;
+        prependListener(
+            event: 'resumeSession',
+            listener: (sessionId: Buffer, callback: (err: Error, sessionData: Buffer) => void) => void,
+        ): this;
+        prependListener(event: 'secureConnection', listener: (tlsSocket: tls.TLSSocket) => void): this;
+        prependListener(event: 'tlsClientError', listener: (err: Error, tlsSocket: tls.TLSSocket) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'connection', listener: (socket: Duplex) => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'listening', listener: () => void): this;
+        prependListener(event: 'checkContinue', listener: http.RequestListener<Request, Response>): this;
+        prependListener(event: 'checkExpectation', listener: http.RequestListener<Request, Response>): this;
+        prependListener(event: 'clientError', listener: (err: Error, socket: Duplex) => void): this;
+        prependListener(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void,
+        ): this;
+        prependListener(event: 'request', listener: http.RequestListener<Request, Response>): this;
+        prependListener(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void,
+        ): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'keylog', listener: (line: Buffer, tlsSocket: tls.TLSSocket) => void): this;
+        prependOnceListener(
+            event: 'newSession',
+            listener: (sessionId: Buffer, sessionData: Buffer, callback: (err: Error, resp: Buffer) => void) => void,
+        ): this;
+        prependOnceListener(
+            event: 'OCSPRequest',
+            listener: (
+                certificate: Buffer,
+                issuer: Buffer,
+                callback: (err: Error | null, resp: Buffer) => void,
+            ) => void,
+        ): this;
+        prependOnceListener(
+            event: 'resumeSession',
+            listener: (sessionId: Buffer, callback: (err: Error, sessionData: Buffer) => void) => void,
+        ): this;
+        prependOnceListener(event: 'secureConnection', listener: (tlsSocket: tls.TLSSocket) => void): this;
+        prependOnceListener(event: 'tlsClientError', listener: (err: Error, tlsSocket: tls.TLSSocket) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'connection', listener: (socket: Duplex) => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'listening', listener: () => void): this;
+        prependOnceListener(event: 'checkContinue', listener: http.RequestListener<Request, Response>): this;
+        prependOnceListener(event: 'checkExpectation', listener: http.RequestListener<Request, Response>): this;
+        prependOnceListener(event: 'clientError', listener: (err: Error, socket: Duplex) => void): this;
+        prependOnceListener(
+            event: 'connect',
+            listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void,
+        ): this;
+        prependOnceListener(event: 'request', listener: http.RequestListener<Request, Response>): this;
+        prependOnceListener(
+            event: 'upgrade',
+            listener: (req: InstanceType<Request>, socket: Duplex, head: Buffer) => void,
+        ): this;
+    }
+    /**
+     * ```js
+     * // curl -k https://localhost:8000/
+     * const https = require('https');
+     * const fs = require('fs');
+     *
+     * const options = {
+     *   key: fs.readFileSync('test/fixtures/keys/agent2-key.pem'),
+     *   cert: fs.readFileSync('test/fixtures/keys/agent2-cert.pem')
+     * };
+     *
+     * https.createServer(options, (req, res) => {
+     *   res.writeHead(200);
+     *   res.end('hello world\n');
+     * }).listen(8000);
+     * ```
+     *
+     * Or
+     *
+     * ```js
+     * const https = require('https');
+     * const fs = require('fs');
+     *
+     * const options = {
+     *   pfx: fs.readFileSync('test/fixtures/test_cert.pfx'),
+     *   passphrase: 'sample'
+     * };
+     *
+     * https.createServer(options, (req, res) => {
+     *   res.writeHead(200);
+     *   res.end('hello world\n');
+     * }).listen(8000);
+     * ```
+     * @since v0.3.4
+     * @param options Accepts `options` from `createServer`, `createSecureContext` and `createServer`.
+     * @param requestListener A listener to be added to the `'request'` event.
+     */
+    function createServer<
+        Request extends typeof http.IncomingMessage = typeof http.IncomingMessage,
+        Response extends typeof http.ServerResponse = typeof http.ServerResponse,
+    >(requestListener?: http.RequestListener<Request, Response>): Server<Request, Response>;
+    function createServer<
+        Request extends typeof http.IncomingMessage = typeof http.IncomingMessage,
+        Response extends typeof http.ServerResponse = typeof http.ServerResponse,
+    >(
+        options: ServerOptions<Request, Response>,
+        requestListener?: http.RequestListener<Request, Response>,
+    ): Server<Request, Response>;
+    /**
+     * Makes a request to a secure web server.
+     *
+     * The following additional `options` from `tls.connect()` are also accepted:`ca`, `cert`, `ciphers`, `clientCertEngine`, `crl`, `dhparam`, `ecdhCurve`,`honorCipherOrder`, `key`, `passphrase`,
+     * `pfx`, `rejectUnauthorized`,`secureOptions`, `secureProtocol`, `servername`, `sessionIdContext`,`highWaterMark`.
+     *
+     * `options` can be an object, a string, or a `URL` object. If `options` is a
+     * string, it is automatically parsed with `new URL()`. If it is a `URL` object, it will be automatically converted to an ordinary `options` object.
+     *
+     * `https.request()` returns an instance of the `http.ClientRequest` class. The `ClientRequest` instance is a writable stream. If one needs to
+     * upload a file with a POST request, then write to the `ClientRequest` object.
+     *
+     * ```js
+     * const https = require('https');
+     *
+     * const options = {
+     *   hostname: 'encrypted.google.com',
+     *   port: 443,
+     *   path: '/',
+     *   method: 'GET'
+     * };
+     *
+     * const req = https.request(options, (res) => {
+     *   console.log('statusCode:', res.statusCode);
+     *   console.log('headers:', res.headers);
+     *
+     *   res.on('data', (d) => {
+     *     process.stdout.write(d);
+     *   });
+     * });
+     *
+     * req.on('error', (e) => {
+     *   console.error(e);
+     * });
+     * req.end();
+     * ```
+     *
+     * Example using options from `tls.connect()`:
+     *
+     * ```js
+     * const options = {
+     *   hostname: 'encrypted.google.com',
+     *   port: 443,
+     *   path: '/',
+     *   method: 'GET',
+     *   key: fs.readFileSync('test/fixtures/keys/agent2-key.pem'),
+     *   cert: fs.readFileSync('test/fixtures/keys/agent2-cert.pem')
+     * };
+     * options.agent = new https.Agent(options);
+     *
+     * const req = https.request(options, (res) => {
+     *   // ...
+     * });
+     * ```
+     *
+     * Alternatively, opt out of connection pooling by not using an `Agent`.
+     *
+     * ```js
+     * const options = {
+     *   hostname: 'encrypted.google.com',
+     *   port: 443,
+     *   path: '/',
+     *   method: 'GET',
+     *   key: fs.readFileSync('test/fixtures/keys/agent2-key.pem'),
+     *   cert: fs.readFileSync('test/fixtures/keys/agent2-cert.pem'),
+     *   agent: false
+     * };
+     *
+     * const req = https.request(options, (res) => {
+     *   // ...
+     * });
+     * ```
+     *
+     * Example using a `URL` as `options`:
+     *
+     * ```js
+     * const options = new URL('https://abc:xyz@example.com');
+     *
+     * const req = https.request(options, (res) => {
+     *   // ...
+     * });
+     * ```
+     *
+     * Example pinning on certificate fingerprint, or the public key (similar to`pin-sha256`):
+     *
+     * ```js
+     * const tls = require('tls');
+     * const https = require('https');
+     * const crypto = require('crypto');
+     *
+     * function sha256(s) {
+     *   return crypto.createHash('sha256').update(s).digest('base64');
+     * }
+     * const options = {
+     *   hostname: 'github.com',
+     *   port: 443,
+     *   path: '/',
+     *   method: 'GET',
+     *   checkServerIdentity: function(host, cert) {
+     *     // Make sure the certificate is issued to the host we are connected to
+     *     const err = tls.checkServerIdentity(host, cert);
+     *     if (err) {
+     *       return err;
+     *     }
+     *
+     *     // Pin the public key, similar to HPKP pin-sha25 pinning
+     *     const pubkey256 = 'pL1+qb9HTMRZJmuC/bB/ZI9d302BYrrqiVuRyW+DGrU=';
+     *     if (sha256(cert.pubkey) !== pubkey256) {
+     *       const msg = 'Certificate verification error: ' +
+     *         `The public key of '${cert.subject.CN}' ` +
+     *         'does not match our pinned fingerprint';
+     *       return new Error(msg);
+     *     }
+     *
+     *     // Pin the exact certificate, rather than the pub key
+     *     const cert256 = '25:FE:39:32:D9:63:8C:8A:FC:A1:9A:29:87:' +
+     *       'D8:3E:4C:1D:98:DB:71:E4:1A:48:03:98:EA:22:6A:BD:8B:93:16';
+     *     if (cert.fingerprint256 !== cert256) {
+     *       const msg = 'Certificate verification error: ' +
+     *         `The certificate of '${cert.subject.CN}' ` +
+     *         'does not match our pinned fingerprint';
+     *       return new Error(msg);
+     *     }
+     *
+     *     // This loop is informational only.
+     *     // Print the certificate and public key fingerprints of all certs in the
+     *     // chain. Its common to pin the public key of the issuer on the public
+     *     // internet, while pinning the public key of the service in sensitive
+     *     // environments.
+     *     do {
+     *       console.log('Subject Common Name:', cert.subject.CN);
+     *       console.log('  Certificate SHA256 fingerprint:', cert.fingerprint256);
+     *
+     *       hash = crypto.createHash('sha256');
+     *       console.log('  Public key ping-sha256:', sha256(cert.pubkey));
+     *
+     *       lastprint256 = cert.fingerprint256;
+     *       cert = cert.issuerCertificate;
+     *     } while (cert.fingerprint256 !== lastprint256);
+     *
+     *   },
+     * };
+     *
+     * options.agent = new https.Agent(options);
+     * const req = https.request(options, (res) => {
+     *   console.log('All OK. Server matched our pinned cert or public key');
+     *   console.log('statusCode:', res.statusCode);
+     *   // Print the HPKP values
+     *   console.log('headers:', res.headers['public-key-pins']);
+     *
+     *   res.on('data', (d) => {});
+     * });
+     *
+     * req.on('error', (e) => {
+     *   console.error(e.message);
+     * });
+     * req.end();
+     * ```
+     *
+     * Outputs for example:
+     *
+     * ```text
+     * Subject Common Name: github.com
+     *   Certificate SHA256 fingerprint: 25:FE:39:32:D9:63:8C:8A:FC:A1:9A:29:87:D8:3E:4C:1D:98:DB:71:E4:1A:48:03:98:EA:22:6A:BD:8B:93:16
+     *   Public key ping-sha256: pL1+qb9HTMRZJmuC/bB/ZI9d302BYrrqiVuRyW+DGrU=
+     * Subject Common Name: DigiCert SHA2 Extended Validation Server CA
+     *   Certificate SHA256 fingerprint: 40:3E:06:2A:26:53:05:91:13:28:5B:AF:80:A0:D4:AE:42:2C:84:8C:9F:78:FA:D0:1F:C9:4B:C5:B8:7F:EF:1A
+     *   Public key ping-sha256: RRM1dGqnDFsCJXBTHky16vi1obOlCgFFn/yOhI/y+ho=
+     * Subject Common Name: DigiCert High Assurance EV Root CA
+     *   Certificate SHA256 fingerprint: 74:31:E5:F4:C3:C1:CE:46:90:77:4F:0B:61:E0:54:40:88:3B:A9:A0:1E:D0:0B:A6:AB:D7:80:6E:D3:B1:18:CF
+     *   Public key ping-sha256: WoiWRyIOVNa9ihaBciRSC7XHjliYS9VwUGOIud4PB18=
+     * All OK. Server matched our pinned cert or public key
+     * statusCode: 200
+     * headers: max-age=0; pin-sha256="WoiWRyIOVNa9ihaBciRSC7XHjliYS9VwUGOIud4PB18="; pin-sha256="RRM1dGqnDFsCJXBTHky16vi1obOlCgFFn/yOhI/y+ho=";
+     * pin-sha256="k2v657xBsOVe1PQRwOsHsw3bsGT2VzIqz5K+59sNQws="; pin-sha256="K87oWBWM9UZfyddvDfoxL+8lpNyoUB2ptGtn0fv6G2Q="; pin-sha256="IQBnNBEiFuhj+8x6X8XLgh01V9Ic5/V3IRQLNFFc7v4=";
+     * pin-sha256="iie1VXtL7HzAMF+/PVPR9xzT80kQxdZeJ+zduCB3uj0="; pin-sha256="LvRiGEjRqfzurezaWuj8Wie2gyHMrW5Q06LspMnox7A="; includeSubDomains
+     * ```
+     * @since v0.3.6
+     * @param options Accepts all `options` from `request`, with some differences in default values:
+     */
+    function request(
+        options: RequestOptions | string | URL,
+        callback?: (res: http.IncomingMessage) => void,
+    ): http.ClientRequest;
+    function request(
+        url: string | URL,
+        options: RequestOptions,
+        callback?: (res: http.IncomingMessage) => void,
+    ): http.ClientRequest;
+    /**
+     * Like `http.get()` but for HTTPS.
+     *
+     * `options` can be an object, a string, or a `URL` object. If `options` is a
+     * string, it is automatically parsed with `new URL()`. If it is a `URL` object, it will be automatically converted to an ordinary `options` object.
+     *
+     * ```js
+     * const https = require('https');
+     *
+     * https.get('https://encrypted.google.com/', (res) => {
+     *   console.log('statusCode:', res.statusCode);
+     *   console.log('headers:', res.headers);
+     *
+     *   res.on('data', (d) => {
+     *     process.stdout.write(d);
+     *   });
+     *
+     * }).on('error', (e) => {
+     *   console.error(e);
+     * });
+     * ```
+     * @since v0.3.6
+     * @param options Accepts the same `options` as {@link request}, with the `method` always set to `GET`.
+     */
+    function get(
+        options: RequestOptions | string | URL,
+        callback?: (res: http.IncomingMessage) => void,
+    ): http.ClientRequest;
+    function get(
+        url: string | URL,
+        options: RequestOptions,
+        callback?: (res: http.IncomingMessage) => void,
+    ): http.ClientRequest;
+    let globalAgent: Agent;
+}
+declare module 'node:https' {
+    export * from 'https';
+}
diff --git a/node_modules/@types/node/ts4.8/index.d.ts b/node_modules/@types/node/ts4.8/index.d.ts
new file mode 100644
index 000000000..2faf25e1f
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/index.d.ts
@@ -0,0 +1,87 @@
+/**
+ * License for programmatically and manually incorporated
+ * documentation aka. `JSDoc` from https://github.com/nodejs/node/tree/master/doc
+ *
+ * Copyright Node.js contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+// NOTE: These definitions support NodeJS and TypeScript 4.8 and earlier.
+
+// Reference required types from the default lib:
+/// <reference lib="es2020" />
+/// <reference lib="esnext.asynciterable" />
+/// <reference lib="esnext.intl" />
+/// <reference lib="esnext.bigint" />
+
+// Base definitions for all NodeJS modules that are not specific to any version of TypeScript:
+/// <reference path="assert.d.ts" />
+/// <reference path="assert/strict.d.ts" />
+/// <reference path="globals.d.ts" />
+/// <reference path="async_hooks.d.ts" />
+/// <reference path="buffer.d.ts" />
+/// <reference path="child_process.d.ts" />
+/// <reference path="cluster.d.ts" />
+/// <reference path="console.d.ts" />
+/// <reference path="constants.d.ts" />
+/// <reference path="crypto.d.ts" />
+/// <reference path="dgram.d.ts" />
+/// <reference path="diagnostics_channel.d.ts" />
+/// <reference path="dns.d.ts" />
+/// <reference path="dns/promises.d.ts" />
+/// <reference path="dns/promises.d.ts" />
+/// <reference path="domain.d.ts" />
+/// <reference path="events.d.ts" />
+/// <reference path="fs.d.ts" />
+/// <reference path="fs/promises.d.ts" />
+/// <reference path="http.d.ts" />
+/// <reference path="http2.d.ts" />
+/// <reference path="https.d.ts" />
+/// <reference path="inspector.d.ts" />
+/// <reference path="module.d.ts" />
+/// <reference path="net.d.ts" />
+/// <reference path="os.d.ts" />
+/// <reference path="path.d.ts" />
+/// <reference path="perf_hooks.d.ts" />
+/// <reference path="process.d.ts" />
+/// <reference path="punycode.d.ts" />
+/// <reference path="querystring.d.ts" />
+/// <reference path="readline.d.ts" />
+/// <reference path="readline/promises.d.ts" />
+/// <reference path="repl.d.ts" />
+/// <reference path="stream.d.ts" />
+/// <reference path="stream/promises.d.ts" />
+/// <reference path="stream/consumers.d.ts" />
+/// <reference path="stream/web.d.ts" />
+/// <reference path="string_decoder.d.ts" />
+/// <reference path="test.d.ts" />
+/// <reference path="timers.d.ts" />
+/// <reference path="timers/promises.d.ts" />
+/// <reference path="tls.d.ts" />
+/// <reference path="trace_events.d.ts" />
+/// <reference path="tty.d.ts" />
+/// <reference path="url.d.ts" />
+/// <reference path="util.d.ts" />
+/// <reference path="v8.d.ts" />
+/// <reference path="vm.d.ts" />
+/// <reference path="wasi.d.ts" />
+/// <reference path="worker_threads.d.ts" />
+/// <reference path="zlib.d.ts" />
+
+/// <reference path="globals.global.d.ts" />
diff --git a/node_modules/@types/node/ts4.8/inspector.d.ts b/node_modules/@types/node/ts4.8/inspector.d.ts
new file mode 100644
index 000000000..eba0b55d8
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/inspector.d.ts
@@ -0,0 +1,2741 @@
+// eslint-disable-next-line dt-header
+// Type definitions for inspector
+
+// These definitions are auto-generated.
+// Please see https://github.com/DefinitelyTyped/DefinitelyTyped/pull/19330
+// for more information.
+
+// tslint:disable:max-line-length
+
+/**
+ * The `inspector` module provides an API for interacting with the V8 inspector.
+ *
+ * It can be accessed using:
+ *
+ * ```js
+ * const inspector = require('inspector');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/inspector.js)
+ */
+declare module 'inspector' {
+    import EventEmitter = require('node:events');
+    interface InspectorNotification<T> {
+        method: string;
+        params: T;
+    }
+    namespace Schema {
+        /**
+         * Description of the protocol domain.
+         */
+        interface Domain {
+            /**
+             * Domain name.
+             */
+            name: string;
+            /**
+             * Domain version.
+             */
+            version: string;
+        }
+        interface GetDomainsReturnType {
+            /**
+             * List of supported domains.
+             */
+            domains: Domain[];
+        }
+    }
+    namespace Runtime {
+        /**
+         * Unique script identifier.
+         */
+        type ScriptId = string;
+        /**
+         * Unique object identifier.
+         */
+        type RemoteObjectId = string;
+        /**
+         * Primitive value which cannot be JSON-stringified.
+         */
+        type UnserializableValue = string;
+        /**
+         * Mirror object referencing original JavaScript object.
+         */
+        interface RemoteObject {
+            /**
+             * Object type.
+             */
+            type: string;
+            /**
+             * Object subtype hint. Specified for <code>object</code> type values only.
+             */
+            subtype?: string | undefined;
+            /**
+             * Object class (constructor) name. Specified for <code>object</code> type values only.
+             */
+            className?: string | undefined;
+            /**
+             * Remote object value in case of primitive values or JSON values (if it was requested).
+             */
+            value?: any;
+            /**
+             * Primitive value which can not be JSON-stringified does not have <code>value</code>, but gets this property.
+             */
+            unserializableValue?: UnserializableValue | undefined;
+            /**
+             * String representation of the object.
+             */
+            description?: string | undefined;
+            /**
+             * Unique object identifier (for non-primitive values).
+             */
+            objectId?: RemoteObjectId | undefined;
+            /**
+             * Preview containing abbreviated property values. Specified for <code>object</code> type values only.
+             * @experimental
+             */
+            preview?: ObjectPreview | undefined;
+            /**
+             * @experimental
+             */
+            customPreview?: CustomPreview | undefined;
+        }
+        /**
+         * @experimental
+         */
+        interface CustomPreview {
+            header: string;
+            hasBody: boolean;
+            formatterObjectId: RemoteObjectId;
+            bindRemoteObjectFunctionId: RemoteObjectId;
+            configObjectId?: RemoteObjectId | undefined;
+        }
+        /**
+         * Object containing abbreviated remote object value.
+         * @experimental
+         */
+        interface ObjectPreview {
+            /**
+             * Object type.
+             */
+            type: string;
+            /**
+             * Object subtype hint. Specified for <code>object</code> type values only.
+             */
+            subtype?: string | undefined;
+            /**
+             * String representation of the object.
+             */
+            description?: string | undefined;
+            /**
+             * True iff some of the properties or entries of the original object did not fit.
+             */
+            overflow: boolean;
+            /**
+             * List of the properties.
+             */
+            properties: PropertyPreview[];
+            /**
+             * List of the entries. Specified for <code>map</code> and <code>set</code> subtype values only.
+             */
+            entries?: EntryPreview[] | undefined;
+        }
+        /**
+         * @experimental
+         */
+        interface PropertyPreview {
+            /**
+             * Property name.
+             */
+            name: string;
+            /**
+             * Object type. Accessor means that the property itself is an accessor property.
+             */
+            type: string;
+            /**
+             * User-friendly property value string.
+             */
+            value?: string | undefined;
+            /**
+             * Nested value preview.
+             */
+            valuePreview?: ObjectPreview | undefined;
+            /**
+             * Object subtype hint. Specified for <code>object</code> type values only.
+             */
+            subtype?: string | undefined;
+        }
+        /**
+         * @experimental
+         */
+        interface EntryPreview {
+            /**
+             * Preview of the key. Specified for map-like collection entries.
+             */
+            key?: ObjectPreview | undefined;
+            /**
+             * Preview of the value.
+             */
+            value: ObjectPreview;
+        }
+        /**
+         * Object property descriptor.
+         */
+        interface PropertyDescriptor {
+            /**
+             * Property name or symbol description.
+             */
+            name: string;
+            /**
+             * The value associated with the property.
+             */
+            value?: RemoteObject | undefined;
+            /**
+             * True if the value associated with the property may be changed (data descriptors only).
+             */
+            writable?: boolean | undefined;
+            /**
+             * A function which serves as a getter for the property, or <code>undefined</code> if there is no getter (accessor descriptors only).
+             */
+            get?: RemoteObject | undefined;
+            /**
+             * A function which serves as a setter for the property, or <code>undefined</code> if there is no setter (accessor descriptors only).
+             */
+            set?: RemoteObject | undefined;
+            /**
+             * True if the type of this property descriptor may be changed and if the property may be deleted from the corresponding object.
+             */
+            configurable: boolean;
+            /**
+             * True if this property shows up during enumeration of the properties on the corresponding object.
+             */
+            enumerable: boolean;
+            /**
+             * True if the result was thrown during the evaluation.
+             */
+            wasThrown?: boolean | undefined;
+            /**
+             * True if the property is owned for the object.
+             */
+            isOwn?: boolean | undefined;
+            /**
+             * Property symbol object, if the property is of the <code>symbol</code> type.
+             */
+            symbol?: RemoteObject | undefined;
+        }
+        /**
+         * Object internal property descriptor. This property isn't normally visible in JavaScript code.
+         */
+        interface InternalPropertyDescriptor {
+            /**
+             * Conventional property name.
+             */
+            name: string;
+            /**
+             * The value associated with the property.
+             */
+            value?: RemoteObject | undefined;
+        }
+        /**
+         * Represents function call argument. Either remote object id <code>objectId</code>, primitive <code>value</code>, unserializable primitive value or neither of (for undefined) them should be specified.
+         */
+        interface CallArgument {
+            /**
+             * Primitive value or serializable javascript object.
+             */
+            value?: any;
+            /**
+             * Primitive value which can not be JSON-stringified.
+             */
+            unserializableValue?: UnserializableValue | undefined;
+            /**
+             * Remote object handle.
+             */
+            objectId?: RemoteObjectId | undefined;
+        }
+        /**
+         * Id of an execution context.
+         */
+        type ExecutionContextId = number;
+        /**
+         * Description of an isolated world.
+         */
+        interface ExecutionContextDescription {
+            /**
+             * Unique id of the execution context. It can be used to specify in which execution context script evaluation should be performed.
+             */
+            id: ExecutionContextId;
+            /**
+             * Execution context origin.
+             */
+            origin: string;
+            /**
+             * Human readable name describing given context.
+             */
+            name: string;
+            /**
+             * Embedder-specific auxiliary data.
+             */
+            auxData?: {} | undefined;
+        }
+        /**
+         * Detailed information about exception (or error) that was thrown during script compilation or execution.
+         */
+        interface ExceptionDetails {
+            /**
+             * Exception id.
+             */
+            exceptionId: number;
+            /**
+             * Exception text, which should be used together with exception object when available.
+             */
+            text: string;
+            /**
+             * Line number of the exception location (0-based).
+             */
+            lineNumber: number;
+            /**
+             * Column number of the exception location (0-based).
+             */
+            columnNumber: number;
+            /**
+             * Script ID of the exception location.
+             */
+            scriptId?: ScriptId | undefined;
+            /**
+             * URL of the exception location, to be used when the script was not reported.
+             */
+            url?: string | undefined;
+            /**
+             * JavaScript stack trace if available.
+             */
+            stackTrace?: StackTrace | undefined;
+            /**
+             * Exception object if available.
+             */
+            exception?: RemoteObject | undefined;
+            /**
+             * Identifier of the context where exception happened.
+             */
+            executionContextId?: ExecutionContextId | undefined;
+        }
+        /**
+         * Number of milliseconds since epoch.
+         */
+        type Timestamp = number;
+        /**
+         * Stack entry for runtime errors and assertions.
+         */
+        interface CallFrame {
+            /**
+             * JavaScript function name.
+             */
+            functionName: string;
+            /**
+             * JavaScript script id.
+             */
+            scriptId: ScriptId;
+            /**
+             * JavaScript script name or url.
+             */
+            url: string;
+            /**
+             * JavaScript script line number (0-based).
+             */
+            lineNumber: number;
+            /**
+             * JavaScript script column number (0-based).
+             */
+            columnNumber: number;
+        }
+        /**
+         * Call frames for assertions or error messages.
+         */
+        interface StackTrace {
+            /**
+             * String label of this stack trace. For async traces this may be a name of the function that initiated the async call.
+             */
+            description?: string | undefined;
+            /**
+             * JavaScript function name.
+             */
+            callFrames: CallFrame[];
+            /**
+             * Asynchronous JavaScript stack trace that preceded this stack, if available.
+             */
+            parent?: StackTrace | undefined;
+            /**
+             * Asynchronous JavaScript stack trace that preceded this stack, if available.
+             * @experimental
+             */
+            parentId?: StackTraceId | undefined;
+        }
+        /**
+         * Unique identifier of current debugger.
+         * @experimental
+         */
+        type UniqueDebuggerId = string;
+        /**
+         * If <code>debuggerId</code> is set stack trace comes from another debugger and can be resolved there. This allows to track cross-debugger calls. See <code>Runtime.StackTrace</code> and <code>Debugger.paused</code> for usages.
+         * @experimental
+         */
+        interface StackTraceId {
+            id: string;
+            debuggerId?: UniqueDebuggerId | undefined;
+        }
+        interface EvaluateParameterType {
+            /**
+             * Expression to evaluate.
+             */
+            expression: string;
+            /**
+             * Symbolic group name that can be used to release multiple objects.
+             */
+            objectGroup?: string | undefined;
+            /**
+             * Determines whether Command Line API should be available during the evaluation.
+             */
+            includeCommandLineAPI?: boolean | undefined;
+            /**
+             * In silent mode exceptions thrown during evaluation are not reported and do not pause execution. Overrides <code>setPauseOnException</code> state.
+             */
+            silent?: boolean | undefined;
+            /**
+             * Specifies in which execution context to perform evaluation. If the parameter is omitted the evaluation will be performed in the context of the inspected page.
+             */
+            contextId?: ExecutionContextId | undefined;
+            /**
+             * Whether the result is expected to be a JSON object that should be sent by value.
+             */
+            returnByValue?: boolean | undefined;
+            /**
+             * Whether preview should be generated for the result.
+             * @experimental
+             */
+            generatePreview?: boolean | undefined;
+            /**
+             * Whether execution should be treated as initiated by user in the UI.
+             */
+            userGesture?: boolean | undefined;
+            /**
+             * Whether execution should <code>await</code> for resulting value and return once awaited promise is resolved.
+             */
+            awaitPromise?: boolean | undefined;
+        }
+        interface AwaitPromiseParameterType {
+            /**
+             * Identifier of the promise.
+             */
+            promiseObjectId: RemoteObjectId;
+            /**
+             * Whether the result is expected to be a JSON object that should be sent by value.
+             */
+            returnByValue?: boolean | undefined;
+            /**
+             * Whether preview should be generated for the result.
+             */
+            generatePreview?: boolean | undefined;
+        }
+        interface CallFunctionOnParameterType {
+            /**
+             * Declaration of the function to call.
+             */
+            functionDeclaration: string;
+            /**
+             * Identifier of the object to call function on. Either objectId or executionContextId should be specified.
+             */
+            objectId?: RemoteObjectId | undefined;
+            /**
+             * Call arguments. All call arguments must belong to the same JavaScript world as the target object.
+             */
+            arguments?: CallArgument[] | undefined;
+            /**
+             * In silent mode exceptions thrown during evaluation are not reported and do not pause execution. Overrides <code>setPauseOnException</code> state.
+             */
+            silent?: boolean | undefined;
+            /**
+             * Whether the result is expected to be a JSON object which should be sent by value.
+             */
+            returnByValue?: boolean | undefined;
+            /**
+             * Whether preview should be generated for the result.
+             * @experimental
+             */
+            generatePreview?: boolean | undefined;
+            /**
+             * Whether execution should be treated as initiated by user in the UI.
+             */
+            userGesture?: boolean | undefined;
+            /**
+             * Whether execution should <code>await</code> for resulting value and return once awaited promise is resolved.
+             */
+            awaitPromise?: boolean | undefined;
+            /**
+             * Specifies execution context which global object will be used to call function on. Either executionContextId or objectId should be specified.
+             */
+            executionContextId?: ExecutionContextId | undefined;
+            /**
+             * Symbolic group name that can be used to release multiple objects. If objectGroup is not specified and objectId is, objectGroup will be inherited from object.
+             */
+            objectGroup?: string | undefined;
+        }
+        interface GetPropertiesParameterType {
+            /**
+             * Identifier of the object to return properties for.
+             */
+            objectId: RemoteObjectId;
+            /**
+             * If true, returns properties belonging only to the element itself, not to its prototype chain.
+             */
+            ownProperties?: boolean | undefined;
+            /**
+             * If true, returns accessor properties (with getter/setter) only; internal properties are not returned either.
+             * @experimental
+             */
+            accessorPropertiesOnly?: boolean | undefined;
+            /**
+             * Whether preview should be generated for the results.
+             * @experimental
+             */
+            generatePreview?: boolean | undefined;
+        }
+        interface ReleaseObjectParameterType {
+            /**
+             * Identifier of the object to release.
+             */
+            objectId: RemoteObjectId;
+        }
+        interface ReleaseObjectGroupParameterType {
+            /**
+             * Symbolic object group name.
+             */
+            objectGroup: string;
+        }
+        interface SetCustomObjectFormatterEnabledParameterType {
+            enabled: boolean;
+        }
+        interface CompileScriptParameterType {
+            /**
+             * Expression to compile.
+             */
+            expression: string;
+            /**
+             * Source url to be set for the script.
+             */
+            sourceURL: string;
+            /**
+             * Specifies whether the compiled script should be persisted.
+             */
+            persistScript: boolean;
+            /**
+             * Specifies in which execution context to perform script run. If the parameter is omitted the evaluation will be performed in the context of the inspected page.
+             */
+            executionContextId?: ExecutionContextId | undefined;
+        }
+        interface RunScriptParameterType {
+            /**
+             * Id of the script to run.
+             */
+            scriptId: ScriptId;
+            /**
+             * Specifies in which execution context to perform script run. If the parameter is omitted the evaluation will be performed in the context of the inspected page.
+             */
+            executionContextId?: ExecutionContextId | undefined;
+            /**
+             * Symbolic group name that can be used to release multiple objects.
+             */
+            objectGroup?: string | undefined;
+            /**
+             * In silent mode exceptions thrown during evaluation are not reported and do not pause execution. Overrides <code>setPauseOnException</code> state.
+             */
+            silent?: boolean | undefined;
+            /**
+             * Determines whether Command Line API should be available during the evaluation.
+             */
+            includeCommandLineAPI?: boolean | undefined;
+            /**
+             * Whether the result is expected to be a JSON object which should be sent by value.
+             */
+            returnByValue?: boolean | undefined;
+            /**
+             * Whether preview should be generated for the result.
+             */
+            generatePreview?: boolean | undefined;
+            /**
+             * Whether execution should <code>await</code> for resulting value and return once awaited promise is resolved.
+             */
+            awaitPromise?: boolean | undefined;
+        }
+        interface QueryObjectsParameterType {
+            /**
+             * Identifier of the prototype to return objects for.
+             */
+            prototypeObjectId: RemoteObjectId;
+        }
+        interface GlobalLexicalScopeNamesParameterType {
+            /**
+             * Specifies in which execution context to lookup global scope variables.
+             */
+            executionContextId?: ExecutionContextId | undefined;
+        }
+        interface EvaluateReturnType {
+            /**
+             * Evaluation result.
+             */
+            result: RemoteObject;
+            /**
+             * Exception details.
+             */
+            exceptionDetails?: ExceptionDetails | undefined;
+        }
+        interface AwaitPromiseReturnType {
+            /**
+             * Promise result. Will contain rejected value if promise was rejected.
+             */
+            result: RemoteObject;
+            /**
+             * Exception details if stack strace is available.
+             */
+            exceptionDetails?: ExceptionDetails | undefined;
+        }
+        interface CallFunctionOnReturnType {
+            /**
+             * Call result.
+             */
+            result: RemoteObject;
+            /**
+             * Exception details.
+             */
+            exceptionDetails?: ExceptionDetails | undefined;
+        }
+        interface GetPropertiesReturnType {
+            /**
+             * Object properties.
+             */
+            result: PropertyDescriptor[];
+            /**
+             * Internal object properties (only of the element itself).
+             */
+            internalProperties?: InternalPropertyDescriptor[] | undefined;
+            /**
+             * Exception details.
+             */
+            exceptionDetails?: ExceptionDetails | undefined;
+        }
+        interface CompileScriptReturnType {
+            /**
+             * Id of the script.
+             */
+            scriptId?: ScriptId | undefined;
+            /**
+             * Exception details.
+             */
+            exceptionDetails?: ExceptionDetails | undefined;
+        }
+        interface RunScriptReturnType {
+            /**
+             * Run result.
+             */
+            result: RemoteObject;
+            /**
+             * Exception details.
+             */
+            exceptionDetails?: ExceptionDetails | undefined;
+        }
+        interface QueryObjectsReturnType {
+            /**
+             * Array with objects.
+             */
+            objects: RemoteObject;
+        }
+        interface GlobalLexicalScopeNamesReturnType {
+            names: string[];
+        }
+        interface ExecutionContextCreatedEventDataType {
+            /**
+             * A newly created execution context.
+             */
+            context: ExecutionContextDescription;
+        }
+        interface ExecutionContextDestroyedEventDataType {
+            /**
+             * Id of the destroyed context
+             */
+            executionContextId: ExecutionContextId;
+        }
+        interface ExceptionThrownEventDataType {
+            /**
+             * Timestamp of the exception.
+             */
+            timestamp: Timestamp;
+            exceptionDetails: ExceptionDetails;
+        }
+        interface ExceptionRevokedEventDataType {
+            /**
+             * Reason describing why exception was revoked.
+             */
+            reason: string;
+            /**
+             * The id of revoked exception, as reported in <code>exceptionThrown</code>.
+             */
+            exceptionId: number;
+        }
+        interface ConsoleAPICalledEventDataType {
+            /**
+             * Type of the call.
+             */
+            type: string;
+            /**
+             * Call arguments.
+             */
+            args: RemoteObject[];
+            /**
+             * Identifier of the context where the call was made.
+             */
+            executionContextId: ExecutionContextId;
+            /**
+             * Call timestamp.
+             */
+            timestamp: Timestamp;
+            /**
+             * Stack trace captured when the call was made.
+             */
+            stackTrace?: StackTrace | undefined;
+            /**
+             * Console context descriptor for calls on non-default console context (not console.*): 'anonymous#unique-logger-id' for call on unnamed context, 'name#unique-logger-id' for call on named context.
+             * @experimental
+             */
+            context?: string | undefined;
+        }
+        interface InspectRequestedEventDataType {
+            object: RemoteObject;
+            hints: {};
+        }
+    }
+    namespace Debugger {
+        /**
+         * Breakpoint identifier.
+         */
+        type BreakpointId = string;
+        /**
+         * Call frame identifier.
+         */
+        type CallFrameId = string;
+        /**
+         * Location in the source code.
+         */
+        interface Location {
+            /**
+             * Script identifier as reported in the <code>Debugger.scriptParsed</code>.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * Line number in the script (0-based).
+             */
+            lineNumber: number;
+            /**
+             * Column number in the script (0-based).
+             */
+            columnNumber?: number | undefined;
+        }
+        /**
+         * Location in the source code.
+         * @experimental
+         */
+        interface ScriptPosition {
+            lineNumber: number;
+            columnNumber: number;
+        }
+        /**
+         * JavaScript call frame. Array of call frames form the call stack.
+         */
+        interface CallFrame {
+            /**
+             * Call frame identifier. This identifier is only valid while the virtual machine is paused.
+             */
+            callFrameId: CallFrameId;
+            /**
+             * Name of the JavaScript function called on this call frame.
+             */
+            functionName: string;
+            /**
+             * Location in the source code.
+             */
+            functionLocation?: Location | undefined;
+            /**
+             * Location in the source code.
+             */
+            location: Location;
+            /**
+             * JavaScript script name or url.
+             */
+            url: string;
+            /**
+             * Scope chain for this call frame.
+             */
+            scopeChain: Scope[];
+            /**
+             * <code>this</code> object for this call frame.
+             */
+            this: Runtime.RemoteObject;
+            /**
+             * The value being returned, if the function is at return point.
+             */
+            returnValue?: Runtime.RemoteObject | undefined;
+        }
+        /**
+         * Scope description.
+         */
+        interface Scope {
+            /**
+             * Scope type.
+             */
+            type: string;
+            /**
+             * Object representing the scope. For <code>global</code> and <code>with</code> scopes it represents the actual object; for the rest of the scopes, it is artificial transient object enumerating scope variables as its properties.
+             */
+            object: Runtime.RemoteObject;
+            name?: string | undefined;
+            /**
+             * Location in the source code where scope starts
+             */
+            startLocation?: Location | undefined;
+            /**
+             * Location in the source code where scope ends
+             */
+            endLocation?: Location | undefined;
+        }
+        /**
+         * Search match for resource.
+         */
+        interface SearchMatch {
+            /**
+             * Line number in resource content.
+             */
+            lineNumber: number;
+            /**
+             * Line with match content.
+             */
+            lineContent: string;
+        }
+        interface BreakLocation {
+            /**
+             * Script identifier as reported in the <code>Debugger.scriptParsed</code>.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * Line number in the script (0-based).
+             */
+            lineNumber: number;
+            /**
+             * Column number in the script (0-based).
+             */
+            columnNumber?: number | undefined;
+            type?: string | undefined;
+        }
+        interface SetBreakpointsActiveParameterType {
+            /**
+             * New value for breakpoints active state.
+             */
+            active: boolean;
+        }
+        interface SetSkipAllPausesParameterType {
+            /**
+             * New value for skip pauses state.
+             */
+            skip: boolean;
+        }
+        interface SetBreakpointByUrlParameterType {
+            /**
+             * Line number to set breakpoint at.
+             */
+            lineNumber: number;
+            /**
+             * URL of the resources to set breakpoint on.
+             */
+            url?: string | undefined;
+            /**
+             * Regex pattern for the URLs of the resources to set breakpoints on. Either <code>url</code> or <code>urlRegex</code> must be specified.
+             */
+            urlRegex?: string | undefined;
+            /**
+             * Script hash of the resources to set breakpoint on.
+             */
+            scriptHash?: string | undefined;
+            /**
+             * Offset in the line to set breakpoint at.
+             */
+            columnNumber?: number | undefined;
+            /**
+             * Expression to use as a breakpoint condition. When specified, debugger will only stop on the breakpoint if this expression evaluates to true.
+             */
+            condition?: string | undefined;
+        }
+        interface SetBreakpointParameterType {
+            /**
+             * Location to set breakpoint in.
+             */
+            location: Location;
+            /**
+             * Expression to use as a breakpoint condition. When specified, debugger will only stop on the breakpoint if this expression evaluates to true.
+             */
+            condition?: string | undefined;
+        }
+        interface RemoveBreakpointParameterType {
+            breakpointId: BreakpointId;
+        }
+        interface GetPossibleBreakpointsParameterType {
+            /**
+             * Start of range to search possible breakpoint locations in.
+             */
+            start: Location;
+            /**
+             * End of range to search possible breakpoint locations in (excluding). When not specified, end of scripts is used as end of range.
+             */
+            end?: Location | undefined;
+            /**
+             * Only consider locations which are in the same (non-nested) function as start.
+             */
+            restrictToFunction?: boolean | undefined;
+        }
+        interface ContinueToLocationParameterType {
+            /**
+             * Location to continue to.
+             */
+            location: Location;
+            targetCallFrames?: string | undefined;
+        }
+        interface PauseOnAsyncCallParameterType {
+            /**
+             * Debugger will pause when async call with given stack trace is started.
+             */
+            parentStackTraceId: Runtime.StackTraceId;
+        }
+        interface StepIntoParameterType {
+            /**
+             * Debugger will issue additional Debugger.paused notification if any async task is scheduled before next pause.
+             * @experimental
+             */
+            breakOnAsyncCall?: boolean | undefined;
+        }
+        interface GetStackTraceParameterType {
+            stackTraceId: Runtime.StackTraceId;
+        }
+        interface SearchInContentParameterType {
+            /**
+             * Id of the script to search in.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * String to search for.
+             */
+            query: string;
+            /**
+             * If true, search is case sensitive.
+             */
+            caseSensitive?: boolean | undefined;
+            /**
+             * If true, treats string parameter as regex.
+             */
+            isRegex?: boolean | undefined;
+        }
+        interface SetScriptSourceParameterType {
+            /**
+             * Id of the script to edit.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * New content of the script.
+             */
+            scriptSource: string;
+            /**
+             *  If true the change will not actually be applied. Dry run may be used to get result description without actually modifying the code.
+             */
+            dryRun?: boolean | undefined;
+        }
+        interface RestartFrameParameterType {
+            /**
+             * Call frame identifier to evaluate on.
+             */
+            callFrameId: CallFrameId;
+        }
+        interface GetScriptSourceParameterType {
+            /**
+             * Id of the script to get source for.
+             */
+            scriptId: Runtime.ScriptId;
+        }
+        interface SetPauseOnExceptionsParameterType {
+            /**
+             * Pause on exceptions mode.
+             */
+            state: string;
+        }
+        interface EvaluateOnCallFrameParameterType {
+            /**
+             * Call frame identifier to evaluate on.
+             */
+            callFrameId: CallFrameId;
+            /**
+             * Expression to evaluate.
+             */
+            expression: string;
+            /**
+             * String object group name to put result into (allows rapid releasing resulting object handles using <code>releaseObjectGroup</code>).
+             */
+            objectGroup?: string | undefined;
+            /**
+             * Specifies whether command line API should be available to the evaluated expression, defaults to false.
+             */
+            includeCommandLineAPI?: boolean | undefined;
+            /**
+             * In silent mode exceptions thrown during evaluation are not reported and do not pause execution. Overrides <code>setPauseOnException</code> state.
+             */
+            silent?: boolean | undefined;
+            /**
+             * Whether the result is expected to be a JSON object that should be sent by value.
+             */
+            returnByValue?: boolean | undefined;
+            /**
+             * Whether preview should be generated for the result.
+             * @experimental
+             */
+            generatePreview?: boolean | undefined;
+            /**
+             * Whether to throw an exception if side effect cannot be ruled out during evaluation.
+             */
+            throwOnSideEffect?: boolean | undefined;
+        }
+        interface SetVariableValueParameterType {
+            /**
+             * 0-based number of scope as was listed in scope chain. Only 'local', 'closure' and 'catch' scope types are allowed. Other scopes could be manipulated manually.
+             */
+            scopeNumber: number;
+            /**
+             * Variable name.
+             */
+            variableName: string;
+            /**
+             * New variable value.
+             */
+            newValue: Runtime.CallArgument;
+            /**
+             * Id of callframe that holds variable.
+             */
+            callFrameId: CallFrameId;
+        }
+        interface SetReturnValueParameterType {
+            /**
+             * New return value.
+             */
+            newValue: Runtime.CallArgument;
+        }
+        interface SetAsyncCallStackDepthParameterType {
+            /**
+             * Maximum depth of async call stacks. Setting to <code>0</code> will effectively disable collecting async call stacks (default).
+             */
+            maxDepth: number;
+        }
+        interface SetBlackboxPatternsParameterType {
+            /**
+             * Array of regexps that will be used to check script url for blackbox state.
+             */
+            patterns: string[];
+        }
+        interface SetBlackboxedRangesParameterType {
+            /**
+             * Id of the script.
+             */
+            scriptId: Runtime.ScriptId;
+            positions: ScriptPosition[];
+        }
+        interface EnableReturnType {
+            /**
+             * Unique identifier of the debugger.
+             * @experimental
+             */
+            debuggerId: Runtime.UniqueDebuggerId;
+        }
+        interface SetBreakpointByUrlReturnType {
+            /**
+             * Id of the created breakpoint for further reference.
+             */
+            breakpointId: BreakpointId;
+            /**
+             * List of the locations this breakpoint resolved into upon addition.
+             */
+            locations: Location[];
+        }
+        interface SetBreakpointReturnType {
+            /**
+             * Id of the created breakpoint for further reference.
+             */
+            breakpointId: BreakpointId;
+            /**
+             * Location this breakpoint resolved into.
+             */
+            actualLocation: Location;
+        }
+        interface GetPossibleBreakpointsReturnType {
+            /**
+             * List of the possible breakpoint locations.
+             */
+            locations: BreakLocation[];
+        }
+        interface GetStackTraceReturnType {
+            stackTrace: Runtime.StackTrace;
+        }
+        interface SearchInContentReturnType {
+            /**
+             * List of search matches.
+             */
+            result: SearchMatch[];
+        }
+        interface SetScriptSourceReturnType {
+            /**
+             * New stack trace in case editing has happened while VM was stopped.
+             */
+            callFrames?: CallFrame[] | undefined;
+            /**
+             * Whether current call stack  was modified after applying the changes.
+             */
+            stackChanged?: boolean | undefined;
+            /**
+             * Async stack trace, if any.
+             */
+            asyncStackTrace?: Runtime.StackTrace | undefined;
+            /**
+             * Async stack trace, if any.
+             * @experimental
+             */
+            asyncStackTraceId?: Runtime.StackTraceId | undefined;
+            /**
+             * Exception details if any.
+             */
+            exceptionDetails?: Runtime.ExceptionDetails | undefined;
+        }
+        interface RestartFrameReturnType {
+            /**
+             * New stack trace.
+             */
+            callFrames: CallFrame[];
+            /**
+             * Async stack trace, if any.
+             */
+            asyncStackTrace?: Runtime.StackTrace | undefined;
+            /**
+             * Async stack trace, if any.
+             * @experimental
+             */
+            asyncStackTraceId?: Runtime.StackTraceId | undefined;
+        }
+        interface GetScriptSourceReturnType {
+            /**
+             * Script source.
+             */
+            scriptSource: string;
+        }
+        interface EvaluateOnCallFrameReturnType {
+            /**
+             * Object wrapper for the evaluation result.
+             */
+            result: Runtime.RemoteObject;
+            /**
+             * Exception details.
+             */
+            exceptionDetails?: Runtime.ExceptionDetails | undefined;
+        }
+        interface ScriptParsedEventDataType {
+            /**
+             * Identifier of the script parsed.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * URL or name of the script parsed (if any).
+             */
+            url: string;
+            /**
+             * Line offset of the script within the resource with given URL (for script tags).
+             */
+            startLine: number;
+            /**
+             * Column offset of the script within the resource with given URL.
+             */
+            startColumn: number;
+            /**
+             * Last line of the script.
+             */
+            endLine: number;
+            /**
+             * Length of the last line of the script.
+             */
+            endColumn: number;
+            /**
+             * Specifies script creation context.
+             */
+            executionContextId: Runtime.ExecutionContextId;
+            /**
+             * Content hash of the script.
+             */
+            hash: string;
+            /**
+             * Embedder-specific auxiliary data.
+             */
+            executionContextAuxData?: {} | undefined;
+            /**
+             * True, if this script is generated as a result of the live edit operation.
+             * @experimental
+             */
+            isLiveEdit?: boolean | undefined;
+            /**
+             * URL of source map associated with script (if any).
+             */
+            sourceMapURL?: string | undefined;
+            /**
+             * True, if this script has sourceURL.
+             */
+            hasSourceURL?: boolean | undefined;
+            /**
+             * True, if this script is ES6 module.
+             */
+            isModule?: boolean | undefined;
+            /**
+             * This script length.
+             */
+            length?: number | undefined;
+            /**
+             * JavaScript top stack frame of where the script parsed event was triggered if available.
+             * @experimental
+             */
+            stackTrace?: Runtime.StackTrace | undefined;
+        }
+        interface ScriptFailedToParseEventDataType {
+            /**
+             * Identifier of the script parsed.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * URL or name of the script parsed (if any).
+             */
+            url: string;
+            /**
+             * Line offset of the script within the resource with given URL (for script tags).
+             */
+            startLine: number;
+            /**
+             * Column offset of the script within the resource with given URL.
+             */
+            startColumn: number;
+            /**
+             * Last line of the script.
+             */
+            endLine: number;
+            /**
+             * Length of the last line of the script.
+             */
+            endColumn: number;
+            /**
+             * Specifies script creation context.
+             */
+            executionContextId: Runtime.ExecutionContextId;
+            /**
+             * Content hash of the script.
+             */
+            hash: string;
+            /**
+             * Embedder-specific auxiliary data.
+             */
+            executionContextAuxData?: {} | undefined;
+            /**
+             * URL of source map associated with script (if any).
+             */
+            sourceMapURL?: string | undefined;
+            /**
+             * True, if this script has sourceURL.
+             */
+            hasSourceURL?: boolean | undefined;
+            /**
+             * True, if this script is ES6 module.
+             */
+            isModule?: boolean | undefined;
+            /**
+             * This script length.
+             */
+            length?: number | undefined;
+            /**
+             * JavaScript top stack frame of where the script parsed event was triggered if available.
+             * @experimental
+             */
+            stackTrace?: Runtime.StackTrace | undefined;
+        }
+        interface BreakpointResolvedEventDataType {
+            /**
+             * Breakpoint unique identifier.
+             */
+            breakpointId: BreakpointId;
+            /**
+             * Actual breakpoint location.
+             */
+            location: Location;
+        }
+        interface PausedEventDataType {
+            /**
+             * Call stack the virtual machine stopped on.
+             */
+            callFrames: CallFrame[];
+            /**
+             * Pause reason.
+             */
+            reason: string;
+            /**
+             * Object containing break-specific auxiliary properties.
+             */
+            data?: {} | undefined;
+            /**
+             * Hit breakpoints IDs
+             */
+            hitBreakpoints?: string[] | undefined;
+            /**
+             * Async stack trace, if any.
+             */
+            asyncStackTrace?: Runtime.StackTrace | undefined;
+            /**
+             * Async stack trace, if any.
+             * @experimental
+             */
+            asyncStackTraceId?: Runtime.StackTraceId | undefined;
+            /**
+             * Just scheduled async call will have this stack trace as parent stack during async execution. This field is available only after <code>Debugger.stepInto</code> call with <code>breakOnAsynCall</code> flag.
+             * @experimental
+             */
+            asyncCallStackTraceId?: Runtime.StackTraceId | undefined;
+        }
+    }
+    namespace Console {
+        /**
+         * Console message.
+         */
+        interface ConsoleMessage {
+            /**
+             * Message source.
+             */
+            source: string;
+            /**
+             * Message severity.
+             */
+            level: string;
+            /**
+             * Message text.
+             */
+            text: string;
+            /**
+             * URL of the message origin.
+             */
+            url?: string | undefined;
+            /**
+             * Line number in the resource that generated this message (1-based).
+             */
+            line?: number | undefined;
+            /**
+             * Column number in the resource that generated this message (1-based).
+             */
+            column?: number | undefined;
+        }
+        interface MessageAddedEventDataType {
+            /**
+             * Console message that has been added.
+             */
+            message: ConsoleMessage;
+        }
+    }
+    namespace Profiler {
+        /**
+         * Profile node. Holds callsite information, execution statistics and child nodes.
+         */
+        interface ProfileNode {
+            /**
+             * Unique id of the node.
+             */
+            id: number;
+            /**
+             * Function location.
+             */
+            callFrame: Runtime.CallFrame;
+            /**
+             * Number of samples where this node was on top of the call stack.
+             */
+            hitCount?: number | undefined;
+            /**
+             * Child node ids.
+             */
+            children?: number[] | undefined;
+            /**
+             * The reason of being not optimized. The function may be deoptimized or marked as don't optimize.
+             */
+            deoptReason?: string | undefined;
+            /**
+             * An array of source position ticks.
+             */
+            positionTicks?: PositionTickInfo[] | undefined;
+        }
+        /**
+         * Profile.
+         */
+        interface Profile {
+            /**
+             * The list of profile nodes. First item is the root node.
+             */
+            nodes: ProfileNode[];
+            /**
+             * Profiling start timestamp in microseconds.
+             */
+            startTime: number;
+            /**
+             * Profiling end timestamp in microseconds.
+             */
+            endTime: number;
+            /**
+             * Ids of samples top nodes.
+             */
+            samples?: number[] | undefined;
+            /**
+             * Time intervals between adjacent samples in microseconds. The first delta is relative to the profile startTime.
+             */
+            timeDeltas?: number[] | undefined;
+        }
+        /**
+         * Specifies a number of samples attributed to a certain source position.
+         */
+        interface PositionTickInfo {
+            /**
+             * Source line number (1-based).
+             */
+            line: number;
+            /**
+             * Number of samples attributed to the source line.
+             */
+            ticks: number;
+        }
+        /**
+         * Coverage data for a source range.
+         */
+        interface CoverageRange {
+            /**
+             * JavaScript script source offset for the range start.
+             */
+            startOffset: number;
+            /**
+             * JavaScript script source offset for the range end.
+             */
+            endOffset: number;
+            /**
+             * Collected execution count of the source range.
+             */
+            count: number;
+        }
+        /**
+         * Coverage data for a JavaScript function.
+         */
+        interface FunctionCoverage {
+            /**
+             * JavaScript function name.
+             */
+            functionName: string;
+            /**
+             * Source ranges inside the function with coverage data.
+             */
+            ranges: CoverageRange[];
+            /**
+             * Whether coverage data for this function has block granularity.
+             */
+            isBlockCoverage: boolean;
+        }
+        /**
+         * Coverage data for a JavaScript script.
+         */
+        interface ScriptCoverage {
+            /**
+             * JavaScript script id.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * JavaScript script name or url.
+             */
+            url: string;
+            /**
+             * Functions contained in the script that has coverage data.
+             */
+            functions: FunctionCoverage[];
+        }
+        /**
+         * Describes a type collected during runtime.
+         * @experimental
+         */
+        interface TypeObject {
+            /**
+             * Name of a type collected with type profiling.
+             */
+            name: string;
+        }
+        /**
+         * Source offset and types for a parameter or return value.
+         * @experimental
+         */
+        interface TypeProfileEntry {
+            /**
+             * Source offset of the parameter or end of function for return values.
+             */
+            offset: number;
+            /**
+             * The types for this parameter or return value.
+             */
+            types: TypeObject[];
+        }
+        /**
+         * Type profile data collected during runtime for a JavaScript script.
+         * @experimental
+         */
+        interface ScriptTypeProfile {
+            /**
+             * JavaScript script id.
+             */
+            scriptId: Runtime.ScriptId;
+            /**
+             * JavaScript script name or url.
+             */
+            url: string;
+            /**
+             * Type profile entries for parameters and return values of the functions in the script.
+             */
+            entries: TypeProfileEntry[];
+        }
+        interface SetSamplingIntervalParameterType {
+            /**
+             * New sampling interval in microseconds.
+             */
+            interval: number;
+        }
+        interface StartPreciseCoverageParameterType {
+            /**
+             * Collect accurate call counts beyond simple 'covered' or 'not covered'.
+             */
+            callCount?: boolean | undefined;
+            /**
+             * Collect block-based coverage.
+             */
+            detailed?: boolean | undefined;
+        }
+        interface StopReturnType {
+            /**
+             * Recorded profile.
+             */
+            profile: Profile;
+        }
+        interface TakePreciseCoverageReturnType {
+            /**
+             * Coverage data for the current isolate.
+             */
+            result: ScriptCoverage[];
+        }
+        interface GetBestEffortCoverageReturnType {
+            /**
+             * Coverage data for the current isolate.
+             */
+            result: ScriptCoverage[];
+        }
+        interface TakeTypeProfileReturnType {
+            /**
+             * Type profile for all scripts since startTypeProfile() was turned on.
+             */
+            result: ScriptTypeProfile[];
+        }
+        interface ConsoleProfileStartedEventDataType {
+            id: string;
+            /**
+             * Location of console.profile().
+             */
+            location: Debugger.Location;
+            /**
+             * Profile title passed as an argument to console.profile().
+             */
+            title?: string | undefined;
+        }
+        interface ConsoleProfileFinishedEventDataType {
+            id: string;
+            /**
+             * Location of console.profileEnd().
+             */
+            location: Debugger.Location;
+            profile: Profile;
+            /**
+             * Profile title passed as an argument to console.profile().
+             */
+            title?: string | undefined;
+        }
+    }
+    namespace HeapProfiler {
+        /**
+         * Heap snapshot object id.
+         */
+        type HeapSnapshotObjectId = string;
+        /**
+         * Sampling Heap Profile node. Holds callsite information, allocation statistics and child nodes.
+         */
+        interface SamplingHeapProfileNode {
+            /**
+             * Function location.
+             */
+            callFrame: Runtime.CallFrame;
+            /**
+             * Allocations size in bytes for the node excluding children.
+             */
+            selfSize: number;
+            /**
+             * Child nodes.
+             */
+            children: SamplingHeapProfileNode[];
+        }
+        /**
+         * Profile.
+         */
+        interface SamplingHeapProfile {
+            head: SamplingHeapProfileNode;
+        }
+        interface StartTrackingHeapObjectsParameterType {
+            trackAllocations?: boolean | undefined;
+        }
+        interface StopTrackingHeapObjectsParameterType {
+            /**
+             * If true 'reportHeapSnapshotProgress' events will be generated while snapshot is being taken when the tracking is stopped.
+             */
+            reportProgress?: boolean | undefined;
+        }
+        interface TakeHeapSnapshotParameterType {
+            /**
+             * If true 'reportHeapSnapshotProgress' events will be generated while snapshot is being taken.
+             */
+            reportProgress?: boolean | undefined;
+        }
+        interface GetObjectByHeapObjectIdParameterType {
+            objectId: HeapSnapshotObjectId;
+            /**
+             * Symbolic group name that can be used to release multiple objects.
+             */
+            objectGroup?: string | undefined;
+        }
+        interface AddInspectedHeapObjectParameterType {
+            /**
+             * Heap snapshot object id to be accessible by means of $x command line API.
+             */
+            heapObjectId: HeapSnapshotObjectId;
+        }
+        interface GetHeapObjectIdParameterType {
+            /**
+             * Identifier of the object to get heap object id for.
+             */
+            objectId: Runtime.RemoteObjectId;
+        }
+        interface StartSamplingParameterType {
+            /**
+             * Average sample interval in bytes. Poisson distribution is used for the intervals. The default value is 32768 bytes.
+             */
+            samplingInterval?: number | undefined;
+        }
+        interface GetObjectByHeapObjectIdReturnType {
+            /**
+             * Evaluation result.
+             */
+            result: Runtime.RemoteObject;
+        }
+        interface GetHeapObjectIdReturnType {
+            /**
+             * Id of the heap snapshot object corresponding to the passed remote object id.
+             */
+            heapSnapshotObjectId: HeapSnapshotObjectId;
+        }
+        interface StopSamplingReturnType {
+            /**
+             * Recorded sampling heap profile.
+             */
+            profile: SamplingHeapProfile;
+        }
+        interface GetSamplingProfileReturnType {
+            /**
+             * Return the sampling profile being collected.
+             */
+            profile: SamplingHeapProfile;
+        }
+        interface AddHeapSnapshotChunkEventDataType {
+            chunk: string;
+        }
+        interface ReportHeapSnapshotProgressEventDataType {
+            done: number;
+            total: number;
+            finished?: boolean | undefined;
+        }
+        interface LastSeenObjectIdEventDataType {
+            lastSeenObjectId: number;
+            timestamp: number;
+        }
+        interface HeapStatsUpdateEventDataType {
+            /**
+             * An array of triplets. Each triplet describes a fragment. The first integer is the fragment index, the second integer is a total count of objects for the fragment, the third integer is a total size of the objects for the fragment.
+             */
+            statsUpdate: number[];
+        }
+    }
+    namespace NodeTracing {
+        interface TraceConfig {
+            /**
+             * Controls how the trace buffer stores data.
+             */
+            recordMode?: string | undefined;
+            /**
+             * Included category filters.
+             */
+            includedCategories: string[];
+        }
+        interface StartParameterType {
+            traceConfig: TraceConfig;
+        }
+        interface GetCategoriesReturnType {
+            /**
+             * A list of supported tracing categories.
+             */
+            categories: string[];
+        }
+        interface DataCollectedEventDataType {
+            value: Array<{}>;
+        }
+    }
+    namespace NodeWorker {
+        type WorkerID = string;
+        /**
+         * Unique identifier of attached debugging session.
+         */
+        type SessionID = string;
+        interface WorkerInfo {
+            workerId: WorkerID;
+            type: string;
+            title: string;
+            url: string;
+        }
+        interface SendMessageToWorkerParameterType {
+            message: string;
+            /**
+             * Identifier of the session.
+             */
+            sessionId: SessionID;
+        }
+        interface EnableParameterType {
+            /**
+             * Whether to new workers should be paused until the frontend sends `Runtime.runIfWaitingForDebugger`
+             * message to run them.
+             */
+            waitForDebuggerOnStart: boolean;
+        }
+        interface DetachParameterType {
+            sessionId: SessionID;
+        }
+        interface AttachedToWorkerEventDataType {
+            /**
+             * Identifier assigned to the session used to send/receive messages.
+             */
+            sessionId: SessionID;
+            workerInfo: WorkerInfo;
+            waitingForDebugger: boolean;
+        }
+        interface DetachedFromWorkerEventDataType {
+            /**
+             * Detached session identifier.
+             */
+            sessionId: SessionID;
+        }
+        interface ReceivedMessageFromWorkerEventDataType {
+            /**
+             * Identifier of a session which sends a message.
+             */
+            sessionId: SessionID;
+            message: string;
+        }
+    }
+    namespace NodeRuntime {
+        interface NotifyWhenWaitingForDisconnectParameterType {
+            enabled: boolean;
+        }
+    }
+    /**
+     * The `inspector.Session` is used for dispatching messages to the V8 inspector
+     * back-end and receiving message responses and notifications.
+     */
+    class Session extends EventEmitter {
+        /**
+         * Create a new instance of the inspector.Session class.
+         * The inspector session needs to be connected through session.connect() before the messages can be dispatched to the inspector backend.
+         */
+        constructor();
+        /**
+         * Connects a session to the inspector back-end.
+         * @since v8.0.0
+         */
+        connect(): void;
+        /**
+         * Immediately close the session. All pending message callbacks will be called
+         * with an error. `session.connect()` will need to be called to be able to send
+         * messages again. Reconnected session will lose all inspector state, such as
+         * enabled agents or configured breakpoints.
+         * @since v8.0.0
+         */
+        disconnect(): void;
+        /**
+         * Posts a message to the inspector back-end. `callback` will be notified when
+         * a response is received. `callback` is a function that accepts two optional
+         * arguments: error and message-specific result.
+         *
+         * ```js
+         * session.post('Runtime.evaluate', { expression: '2 + 2' },
+         *              (error, { result }) => console.log(result));
+         * // Output: { type: 'number', value: 4, description: '4' }
+         * ```
+         *
+         * The latest version of the V8 inspector protocol is published on the [Chrome DevTools Protocol Viewer](https://chromedevtools.github.io/devtools-protocol/v8/).
+         *
+         * Node.js inspector supports all the Chrome DevTools Protocol domains declared
+         * by V8\. Chrome DevTools Protocol domain provides an interface for interacting
+         * with one of the runtime agents used to inspect the application state and listen
+         * to the run-time events.
+         *
+         * ## Example usage
+         *
+         * Apart from the debugger, various V8 Profilers are available through the DevTools
+         * protocol.
+         * @since v8.0.0
+         */
+        post(method: string, params?: {}, callback?: (err: Error | null, params?: {}) => void): void;
+        post(method: string, callback?: (err: Error | null, params?: {}) => void): void;
+        /**
+         * Returns supported domains.
+         */
+        post(method: 'Schema.getDomains', callback?: (err: Error | null, params: Schema.GetDomainsReturnType) => void): void;
+        /**
+         * Evaluates expression on global object.
+         */
+        post(method: 'Runtime.evaluate', params?: Runtime.EvaluateParameterType, callback?: (err: Error | null, params: Runtime.EvaluateReturnType) => void): void;
+        post(method: 'Runtime.evaluate', callback?: (err: Error | null, params: Runtime.EvaluateReturnType) => void): void;
+        /**
+         * Add handler to promise with given promise object id.
+         */
+        post(method: 'Runtime.awaitPromise', params?: Runtime.AwaitPromiseParameterType, callback?: (err: Error | null, params: Runtime.AwaitPromiseReturnType) => void): void;
+        post(method: 'Runtime.awaitPromise', callback?: (err: Error | null, params: Runtime.AwaitPromiseReturnType) => void): void;
+        /**
+         * Calls function with given declaration on the given object. Object group of the result is inherited from the target object.
+         */
+        post(method: 'Runtime.callFunctionOn', params?: Runtime.CallFunctionOnParameterType, callback?: (err: Error | null, params: Runtime.CallFunctionOnReturnType) => void): void;
+        post(method: 'Runtime.callFunctionOn', callback?: (err: Error | null, params: Runtime.CallFunctionOnReturnType) => void): void;
+        /**
+         * Returns properties of a given object. Object group of the result is inherited from the target object.
+         */
+        post(method: 'Runtime.getProperties', params?: Runtime.GetPropertiesParameterType, callback?: (err: Error | null, params: Runtime.GetPropertiesReturnType) => void): void;
+        post(method: 'Runtime.getProperties', callback?: (err: Error | null, params: Runtime.GetPropertiesReturnType) => void): void;
+        /**
+         * Releases remote object with given id.
+         */
+        post(method: 'Runtime.releaseObject', params?: Runtime.ReleaseObjectParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Runtime.releaseObject', callback?: (err: Error | null) => void): void;
+        /**
+         * Releases all remote objects that belong to a given group.
+         */
+        post(method: 'Runtime.releaseObjectGroup', params?: Runtime.ReleaseObjectGroupParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Runtime.releaseObjectGroup', callback?: (err: Error | null) => void): void;
+        /**
+         * Tells inspected instance to run if it was waiting for debugger to attach.
+         */
+        post(method: 'Runtime.runIfWaitingForDebugger', callback?: (err: Error | null) => void): void;
+        /**
+         * Enables reporting of execution contexts creation by means of <code>executionContextCreated</code> event. When the reporting gets enabled the event will be sent immediately for each existing execution context.
+         */
+        post(method: 'Runtime.enable', callback?: (err: Error | null) => void): void;
+        /**
+         * Disables reporting of execution contexts creation.
+         */
+        post(method: 'Runtime.disable', callback?: (err: Error | null) => void): void;
+        /**
+         * Discards collected exceptions and console API calls.
+         */
+        post(method: 'Runtime.discardConsoleEntries', callback?: (err: Error | null) => void): void;
+        /**
+         * @experimental
+         */
+        post(method: 'Runtime.setCustomObjectFormatterEnabled', params?: Runtime.SetCustomObjectFormatterEnabledParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Runtime.setCustomObjectFormatterEnabled', callback?: (err: Error | null) => void): void;
+        /**
+         * Compiles expression.
+         */
+        post(method: 'Runtime.compileScript', params?: Runtime.CompileScriptParameterType, callback?: (err: Error | null, params: Runtime.CompileScriptReturnType) => void): void;
+        post(method: 'Runtime.compileScript', callback?: (err: Error | null, params: Runtime.CompileScriptReturnType) => void): void;
+        /**
+         * Runs script with given id in a given context.
+         */
+        post(method: 'Runtime.runScript', params?: Runtime.RunScriptParameterType, callback?: (err: Error | null, params: Runtime.RunScriptReturnType) => void): void;
+        post(method: 'Runtime.runScript', callback?: (err: Error | null, params: Runtime.RunScriptReturnType) => void): void;
+        post(method: 'Runtime.queryObjects', params?: Runtime.QueryObjectsParameterType, callback?: (err: Error | null, params: Runtime.QueryObjectsReturnType) => void): void;
+        post(method: 'Runtime.queryObjects', callback?: (err: Error | null, params: Runtime.QueryObjectsReturnType) => void): void;
+        /**
+         * Returns all let, const and class variables from global scope.
+         */
+        post(
+            method: 'Runtime.globalLexicalScopeNames',
+            params?: Runtime.GlobalLexicalScopeNamesParameterType,
+            callback?: (err: Error | null, params: Runtime.GlobalLexicalScopeNamesReturnType) => void
+        ): void;
+        post(method: 'Runtime.globalLexicalScopeNames', callback?: (err: Error | null, params: Runtime.GlobalLexicalScopeNamesReturnType) => void): void;
+        /**
+         * Enables debugger for the given page. Clients should not assume that the debugging has been enabled until the result for this command is received.
+         */
+        post(method: 'Debugger.enable', callback?: (err: Error | null, params: Debugger.EnableReturnType) => void): void;
+        /**
+         * Disables debugger for given page.
+         */
+        post(method: 'Debugger.disable', callback?: (err: Error | null) => void): void;
+        /**
+         * Activates / deactivates all breakpoints on the page.
+         */
+        post(method: 'Debugger.setBreakpointsActive', params?: Debugger.SetBreakpointsActiveParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setBreakpointsActive', callback?: (err: Error | null) => void): void;
+        /**
+         * Makes page not interrupt on any pauses (breakpoint, exception, dom exception etc).
+         */
+        post(method: 'Debugger.setSkipAllPauses', params?: Debugger.SetSkipAllPausesParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setSkipAllPauses', callback?: (err: Error | null) => void): void;
+        /**
+         * Sets JavaScript breakpoint at given location specified either by URL or URL regex. Once this command is issued, all existing parsed scripts will have breakpoints resolved and returned in <code>locations</code> property. Further matching script parsing will result in subsequent <code>breakpointResolved</code> events issued. This logical breakpoint will survive page reloads.
+         */
+        post(method: 'Debugger.setBreakpointByUrl', params?: Debugger.SetBreakpointByUrlParameterType, callback?: (err: Error | null, params: Debugger.SetBreakpointByUrlReturnType) => void): void;
+        post(method: 'Debugger.setBreakpointByUrl', callback?: (err: Error | null, params: Debugger.SetBreakpointByUrlReturnType) => void): void;
+        /**
+         * Sets JavaScript breakpoint at a given location.
+         */
+        post(method: 'Debugger.setBreakpoint', params?: Debugger.SetBreakpointParameterType, callback?: (err: Error | null, params: Debugger.SetBreakpointReturnType) => void): void;
+        post(method: 'Debugger.setBreakpoint', callback?: (err: Error | null, params: Debugger.SetBreakpointReturnType) => void): void;
+        /**
+         * Removes JavaScript breakpoint.
+         */
+        post(method: 'Debugger.removeBreakpoint', params?: Debugger.RemoveBreakpointParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.removeBreakpoint', callback?: (err: Error | null) => void): void;
+        /**
+         * Returns possible locations for breakpoint. scriptId in start and end range locations should be the same.
+         */
+        post(
+            method: 'Debugger.getPossibleBreakpoints',
+            params?: Debugger.GetPossibleBreakpointsParameterType,
+            callback?: (err: Error | null, params: Debugger.GetPossibleBreakpointsReturnType) => void
+        ): void;
+        post(method: 'Debugger.getPossibleBreakpoints', callback?: (err: Error | null, params: Debugger.GetPossibleBreakpointsReturnType) => void): void;
+        /**
+         * Continues execution until specific location is reached.
+         */
+        post(method: 'Debugger.continueToLocation', params?: Debugger.ContinueToLocationParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.continueToLocation', callback?: (err: Error | null) => void): void;
+        /**
+         * @experimental
+         */
+        post(method: 'Debugger.pauseOnAsyncCall', params?: Debugger.PauseOnAsyncCallParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.pauseOnAsyncCall', callback?: (err: Error | null) => void): void;
+        /**
+         * Steps over the statement.
+         */
+        post(method: 'Debugger.stepOver', callback?: (err: Error | null) => void): void;
+        /**
+         * Steps into the function call.
+         */
+        post(method: 'Debugger.stepInto', params?: Debugger.StepIntoParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.stepInto', callback?: (err: Error | null) => void): void;
+        /**
+         * Steps out of the function call.
+         */
+        post(method: 'Debugger.stepOut', callback?: (err: Error | null) => void): void;
+        /**
+         * Stops on the next JavaScript statement.
+         */
+        post(method: 'Debugger.pause', callback?: (err: Error | null) => void): void;
+        /**
+         * This method is deprecated - use Debugger.stepInto with breakOnAsyncCall and Debugger.pauseOnAsyncTask instead. Steps into next scheduled async task if any is scheduled before next pause. Returns success when async task is actually scheduled, returns error if no task were scheduled or another scheduleStepIntoAsync was called.
+         * @experimental
+         */
+        post(method: 'Debugger.scheduleStepIntoAsync', callback?: (err: Error | null) => void): void;
+        /**
+         * Resumes JavaScript execution.
+         */
+        post(method: 'Debugger.resume', callback?: (err: Error | null) => void): void;
+        /**
+         * Returns stack trace with given <code>stackTraceId</code>.
+         * @experimental
+         */
+        post(method: 'Debugger.getStackTrace', params?: Debugger.GetStackTraceParameterType, callback?: (err: Error | null, params: Debugger.GetStackTraceReturnType) => void): void;
+        post(method: 'Debugger.getStackTrace', callback?: (err: Error | null, params: Debugger.GetStackTraceReturnType) => void): void;
+        /**
+         * Searches for given string in script content.
+         */
+        post(method: 'Debugger.searchInContent', params?: Debugger.SearchInContentParameterType, callback?: (err: Error | null, params: Debugger.SearchInContentReturnType) => void): void;
+        post(method: 'Debugger.searchInContent', callback?: (err: Error | null, params: Debugger.SearchInContentReturnType) => void): void;
+        /**
+         * Edits JavaScript source live.
+         */
+        post(method: 'Debugger.setScriptSource', params?: Debugger.SetScriptSourceParameterType, callback?: (err: Error | null, params: Debugger.SetScriptSourceReturnType) => void): void;
+        post(method: 'Debugger.setScriptSource', callback?: (err: Error | null, params: Debugger.SetScriptSourceReturnType) => void): void;
+        /**
+         * Restarts particular call frame from the beginning.
+         */
+        post(method: 'Debugger.restartFrame', params?: Debugger.RestartFrameParameterType, callback?: (err: Error | null, params: Debugger.RestartFrameReturnType) => void): void;
+        post(method: 'Debugger.restartFrame', callback?: (err: Error | null, params: Debugger.RestartFrameReturnType) => void): void;
+        /**
+         * Returns source for the script with given id.
+         */
+        post(method: 'Debugger.getScriptSource', params?: Debugger.GetScriptSourceParameterType, callback?: (err: Error | null, params: Debugger.GetScriptSourceReturnType) => void): void;
+        post(method: 'Debugger.getScriptSource', callback?: (err: Error | null, params: Debugger.GetScriptSourceReturnType) => void): void;
+        /**
+         * Defines pause on exceptions state. Can be set to stop on all exceptions, uncaught exceptions or no exceptions. Initial pause on exceptions state is <code>none</code>.
+         */
+        post(method: 'Debugger.setPauseOnExceptions', params?: Debugger.SetPauseOnExceptionsParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setPauseOnExceptions', callback?: (err: Error | null) => void): void;
+        /**
+         * Evaluates expression on a given call frame.
+         */
+        post(method: 'Debugger.evaluateOnCallFrame', params?: Debugger.EvaluateOnCallFrameParameterType, callback?: (err: Error | null, params: Debugger.EvaluateOnCallFrameReturnType) => void): void;
+        post(method: 'Debugger.evaluateOnCallFrame', callback?: (err: Error | null, params: Debugger.EvaluateOnCallFrameReturnType) => void): void;
+        /**
+         * Changes value of variable in a callframe. Object-based scopes are not supported and must be mutated manually.
+         */
+        post(method: 'Debugger.setVariableValue', params?: Debugger.SetVariableValueParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setVariableValue', callback?: (err: Error | null) => void): void;
+        /**
+         * Changes return value in top frame. Available only at return break position.
+         * @experimental
+         */
+        post(method: 'Debugger.setReturnValue', params?: Debugger.SetReturnValueParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setReturnValue', callback?: (err: Error | null) => void): void;
+        /**
+         * Enables or disables async call stacks tracking.
+         */
+        post(method: 'Debugger.setAsyncCallStackDepth', params?: Debugger.SetAsyncCallStackDepthParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setAsyncCallStackDepth', callback?: (err: Error | null) => void): void;
+        /**
+         * Replace previous blackbox patterns with passed ones. Forces backend to skip stepping/pausing in scripts with url matching one of the patterns. VM will try to leave blackboxed script by performing 'step in' several times, finally resorting to 'step out' if unsuccessful.
+         * @experimental
+         */
+        post(method: 'Debugger.setBlackboxPatterns', params?: Debugger.SetBlackboxPatternsParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setBlackboxPatterns', callback?: (err: Error | null) => void): void;
+        /**
+         * Makes backend skip steps in the script in blackboxed ranges. VM will try leave blacklisted scripts by performing 'step in' several times, finally resorting to 'step out' if unsuccessful. Positions array contains positions where blackbox state is changed. First interval isn't blackboxed. Array should be sorted.
+         * @experimental
+         */
+        post(method: 'Debugger.setBlackboxedRanges', params?: Debugger.SetBlackboxedRangesParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Debugger.setBlackboxedRanges', callback?: (err: Error | null) => void): void;
+        /**
+         * Enables console domain, sends the messages collected so far to the client by means of the <code>messageAdded</code> notification.
+         */
+        post(method: 'Console.enable', callback?: (err: Error | null) => void): void;
+        /**
+         * Disables console domain, prevents further console messages from being reported to the client.
+         */
+        post(method: 'Console.disable', callback?: (err: Error | null) => void): void;
+        /**
+         * Does nothing.
+         */
+        post(method: 'Console.clearMessages', callback?: (err: Error | null) => void): void;
+        post(method: 'Profiler.enable', callback?: (err: Error | null) => void): void;
+        post(method: 'Profiler.disable', callback?: (err: Error | null) => void): void;
+        /**
+         * Changes CPU profiler sampling interval. Must be called before CPU profiles recording started.
+         */
+        post(method: 'Profiler.setSamplingInterval', params?: Profiler.SetSamplingIntervalParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Profiler.setSamplingInterval', callback?: (err: Error | null) => void): void;
+        post(method: 'Profiler.start', callback?: (err: Error | null) => void): void;
+        post(method: 'Profiler.stop', callback?: (err: Error | null, params: Profiler.StopReturnType) => void): void;
+        /**
+         * Enable precise code coverage. Coverage data for JavaScript executed before enabling precise code coverage may be incomplete. Enabling prevents running optimized code and resets execution counters.
+         */
+        post(method: 'Profiler.startPreciseCoverage', params?: Profiler.StartPreciseCoverageParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'Profiler.startPreciseCoverage', callback?: (err: Error | null) => void): void;
+        /**
+         * Disable precise code coverage. Disabling releases unnecessary execution count records and allows executing optimized code.
+         */
+        post(method: 'Profiler.stopPreciseCoverage', callback?: (err: Error | null) => void): void;
+        /**
+         * Collect coverage data for the current isolate, and resets execution counters. Precise code coverage needs to have started.
+         */
+        post(method: 'Profiler.takePreciseCoverage', callback?: (err: Error | null, params: Profiler.TakePreciseCoverageReturnType) => void): void;
+        /**
+         * Collect coverage data for the current isolate. The coverage data may be incomplete due to garbage collection.
+         */
+        post(method: 'Profiler.getBestEffortCoverage', callback?: (err: Error | null, params: Profiler.GetBestEffortCoverageReturnType) => void): void;
+        /**
+         * Enable type profile.
+         * @experimental
+         */
+        post(method: 'Profiler.startTypeProfile', callback?: (err: Error | null) => void): void;
+        /**
+         * Disable type profile. Disabling releases type profile data collected so far.
+         * @experimental
+         */
+        post(method: 'Profiler.stopTypeProfile', callback?: (err: Error | null) => void): void;
+        /**
+         * Collect type profile.
+         * @experimental
+         */
+        post(method: 'Profiler.takeTypeProfile', callback?: (err: Error | null, params: Profiler.TakeTypeProfileReturnType) => void): void;
+        post(method: 'HeapProfiler.enable', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.disable', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.startTrackingHeapObjects', params?: HeapProfiler.StartTrackingHeapObjectsParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.startTrackingHeapObjects', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.stopTrackingHeapObjects', params?: HeapProfiler.StopTrackingHeapObjectsParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.stopTrackingHeapObjects', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.takeHeapSnapshot', params?: HeapProfiler.TakeHeapSnapshotParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.takeHeapSnapshot', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.collectGarbage', callback?: (err: Error | null) => void): void;
+        post(
+            method: 'HeapProfiler.getObjectByHeapObjectId',
+            params?: HeapProfiler.GetObjectByHeapObjectIdParameterType,
+            callback?: (err: Error | null, params: HeapProfiler.GetObjectByHeapObjectIdReturnType) => void
+        ): void;
+        post(method: 'HeapProfiler.getObjectByHeapObjectId', callback?: (err: Error | null, params: HeapProfiler.GetObjectByHeapObjectIdReturnType) => void): void;
+        /**
+         * Enables console to refer to the node with given id via $x (see Command Line API for more details $x functions).
+         */
+        post(method: 'HeapProfiler.addInspectedHeapObject', params?: HeapProfiler.AddInspectedHeapObjectParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.addInspectedHeapObject', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.getHeapObjectId', params?: HeapProfiler.GetHeapObjectIdParameterType, callback?: (err: Error | null, params: HeapProfiler.GetHeapObjectIdReturnType) => void): void;
+        post(method: 'HeapProfiler.getHeapObjectId', callback?: (err: Error | null, params: HeapProfiler.GetHeapObjectIdReturnType) => void): void;
+        post(method: 'HeapProfiler.startSampling', params?: HeapProfiler.StartSamplingParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.startSampling', callback?: (err: Error | null) => void): void;
+        post(method: 'HeapProfiler.stopSampling', callback?: (err: Error | null, params: HeapProfiler.StopSamplingReturnType) => void): void;
+        post(method: 'HeapProfiler.getSamplingProfile', callback?: (err: Error | null, params: HeapProfiler.GetSamplingProfileReturnType) => void): void;
+        /**
+         * Gets supported tracing categories.
+         */
+        post(method: 'NodeTracing.getCategories', callback?: (err: Error | null, params: NodeTracing.GetCategoriesReturnType) => void): void;
+        /**
+         * Start trace events collection.
+         */
+        post(method: 'NodeTracing.start', params?: NodeTracing.StartParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'NodeTracing.start', callback?: (err: Error | null) => void): void;
+        /**
+         * Stop trace events collection. Remaining collected events will be sent as a sequence of
+         * dataCollected events followed by tracingComplete event.
+         */
+        post(method: 'NodeTracing.stop', callback?: (err: Error | null) => void): void;
+        /**
+         * Sends protocol message over session with given id.
+         */
+        post(method: 'NodeWorker.sendMessageToWorker', params?: NodeWorker.SendMessageToWorkerParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'NodeWorker.sendMessageToWorker', callback?: (err: Error | null) => void): void;
+        /**
+         * Instructs the inspector to attach to running workers. Will also attach to new workers
+         * as they start
+         */
+        post(method: 'NodeWorker.enable', params?: NodeWorker.EnableParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'NodeWorker.enable', callback?: (err: Error | null) => void): void;
+        /**
+         * Detaches from all running workers and disables attaching to new workers as they are started.
+         */
+        post(method: 'NodeWorker.disable', callback?: (err: Error | null) => void): void;
+        /**
+         * Detached from the worker with given sessionId.
+         */
+        post(method: 'NodeWorker.detach', params?: NodeWorker.DetachParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'NodeWorker.detach', callback?: (err: Error | null) => void): void;
+        /**
+         * Enable the `NodeRuntime.waitingForDisconnect`.
+         */
+        post(method: 'NodeRuntime.notifyWhenWaitingForDisconnect', params?: NodeRuntime.NotifyWhenWaitingForDisconnectParameterType, callback?: (err: Error | null) => void): void;
+        post(method: 'NodeRuntime.notifyWhenWaitingForDisconnect', callback?: (err: Error | null) => void): void;
+        // Events
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        /**
+         * Emitted when any notification from the V8 Inspector is received.
+         */
+        addListener(event: 'inspectorNotification', listener: (message: InspectorNotification<{}>) => void): this;
+        /**
+         * Issued when new execution context is created.
+         */
+        addListener(event: 'Runtime.executionContextCreated', listener: (message: InspectorNotification<Runtime.ExecutionContextCreatedEventDataType>) => void): this;
+        /**
+         * Issued when execution context is destroyed.
+         */
+        addListener(event: 'Runtime.executionContextDestroyed', listener: (message: InspectorNotification<Runtime.ExecutionContextDestroyedEventDataType>) => void): this;
+        /**
+         * Issued when all executionContexts were cleared in browser
+         */
+        addListener(event: 'Runtime.executionContextsCleared', listener: () => void): this;
+        /**
+         * Issued when exception was thrown and unhandled.
+         */
+        addListener(event: 'Runtime.exceptionThrown', listener: (message: InspectorNotification<Runtime.ExceptionThrownEventDataType>) => void): this;
+        /**
+         * Issued when unhandled exception was revoked.
+         */
+        addListener(event: 'Runtime.exceptionRevoked', listener: (message: InspectorNotification<Runtime.ExceptionRevokedEventDataType>) => void): this;
+        /**
+         * Issued when console API was called.
+         */
+        addListener(event: 'Runtime.consoleAPICalled', listener: (message: InspectorNotification<Runtime.ConsoleAPICalledEventDataType>) => void): this;
+        /**
+         * Issued when object should be inspected (for example, as a result of inspect() command line API call).
+         */
+        addListener(event: 'Runtime.inspectRequested', listener: (message: InspectorNotification<Runtime.InspectRequestedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine parses script. This event is also fired for all known and uncollected scripts upon enabling debugger.
+         */
+        addListener(event: 'Debugger.scriptParsed', listener: (message: InspectorNotification<Debugger.ScriptParsedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine fails to parse the script.
+         */
+        addListener(event: 'Debugger.scriptFailedToParse', listener: (message: InspectorNotification<Debugger.ScriptFailedToParseEventDataType>) => void): this;
+        /**
+         * Fired when breakpoint is resolved to an actual script and location.
+         */
+        addListener(event: 'Debugger.breakpointResolved', listener: (message: InspectorNotification<Debugger.BreakpointResolvedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.
+         */
+        addListener(event: 'Debugger.paused', listener: (message: InspectorNotification<Debugger.PausedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine resumed execution.
+         */
+        addListener(event: 'Debugger.resumed', listener: () => void): this;
+        /**
+         * Issued when new console message is added.
+         */
+        addListener(event: 'Console.messageAdded', listener: (message: InspectorNotification<Console.MessageAddedEventDataType>) => void): this;
+        /**
+         * Sent when new profile recording is started using console.profile() call.
+         */
+        addListener(event: 'Profiler.consoleProfileStarted', listener: (message: InspectorNotification<Profiler.ConsoleProfileStartedEventDataType>) => void): this;
+        addListener(event: 'Profiler.consoleProfileFinished', listener: (message: InspectorNotification<Profiler.ConsoleProfileFinishedEventDataType>) => void): this;
+        addListener(event: 'HeapProfiler.addHeapSnapshotChunk', listener: (message: InspectorNotification<HeapProfiler.AddHeapSnapshotChunkEventDataType>) => void): this;
+        addListener(event: 'HeapProfiler.resetProfiles', listener: () => void): this;
+        addListener(event: 'HeapProfiler.reportHeapSnapshotProgress', listener: (message: InspectorNotification<HeapProfiler.ReportHeapSnapshotProgressEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend regularly sends a current value for last seen object id and corresponding timestamp. If the were changes in the heap since last event then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.
+         */
+        addListener(event: 'HeapProfiler.lastSeenObjectId', listener: (message: InspectorNotification<HeapProfiler.LastSeenObjectIdEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend may send update for one or more fragments
+         */
+        addListener(event: 'HeapProfiler.heapStatsUpdate', listener: (message: InspectorNotification<HeapProfiler.HeapStatsUpdateEventDataType>) => void): this;
+        /**
+         * Contains an bucket of collected trace events.
+         */
+        addListener(event: 'NodeTracing.dataCollected', listener: (message: InspectorNotification<NodeTracing.DataCollectedEventDataType>) => void): this;
+        /**
+         * Signals that tracing is stopped and there is no trace buffers pending flush, all data were
+         * delivered via dataCollected events.
+         */
+        addListener(event: 'NodeTracing.tracingComplete', listener: () => void): this;
+        /**
+         * Issued when attached to a worker.
+         */
+        addListener(event: 'NodeWorker.attachedToWorker', listener: (message: InspectorNotification<NodeWorker.AttachedToWorkerEventDataType>) => void): this;
+        /**
+         * Issued when detached from the worker.
+         */
+        addListener(event: 'NodeWorker.detachedFromWorker', listener: (message: InspectorNotification<NodeWorker.DetachedFromWorkerEventDataType>) => void): this;
+        /**
+         * Notifies about a new protocol message received from the session
+         * (session ID is provided in attachedToWorker notification).
+         */
+        addListener(event: 'NodeWorker.receivedMessageFromWorker', listener: (message: InspectorNotification<NodeWorker.ReceivedMessageFromWorkerEventDataType>) => void): this;
+        /**
+         * This event is fired instead of `Runtime.executionContextDestroyed` when
+         * enabled.
+         * It is fired when the Node process finished all code execution and is
+         * waiting for all frontends to disconnect.
+         */
+        addListener(event: 'NodeRuntime.waitingForDisconnect', listener: () => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'inspectorNotification', message: InspectorNotification<{}>): boolean;
+        emit(event: 'Runtime.executionContextCreated', message: InspectorNotification<Runtime.ExecutionContextCreatedEventDataType>): boolean;
+        emit(event: 'Runtime.executionContextDestroyed', message: InspectorNotification<Runtime.ExecutionContextDestroyedEventDataType>): boolean;
+        emit(event: 'Runtime.executionContextsCleared'): boolean;
+        emit(event: 'Runtime.exceptionThrown', message: InspectorNotification<Runtime.ExceptionThrownEventDataType>): boolean;
+        emit(event: 'Runtime.exceptionRevoked', message: InspectorNotification<Runtime.ExceptionRevokedEventDataType>): boolean;
+        emit(event: 'Runtime.consoleAPICalled', message: InspectorNotification<Runtime.ConsoleAPICalledEventDataType>): boolean;
+        emit(event: 'Runtime.inspectRequested', message: InspectorNotification<Runtime.InspectRequestedEventDataType>): boolean;
+        emit(event: 'Debugger.scriptParsed', message: InspectorNotification<Debugger.ScriptParsedEventDataType>): boolean;
+        emit(event: 'Debugger.scriptFailedToParse', message: InspectorNotification<Debugger.ScriptFailedToParseEventDataType>): boolean;
+        emit(event: 'Debugger.breakpointResolved', message: InspectorNotification<Debugger.BreakpointResolvedEventDataType>): boolean;
+        emit(event: 'Debugger.paused', message: InspectorNotification<Debugger.PausedEventDataType>): boolean;
+        emit(event: 'Debugger.resumed'): boolean;
+        emit(event: 'Console.messageAdded', message: InspectorNotification<Console.MessageAddedEventDataType>): boolean;
+        emit(event: 'Profiler.consoleProfileStarted', message: InspectorNotification<Profiler.ConsoleProfileStartedEventDataType>): boolean;
+        emit(event: 'Profiler.consoleProfileFinished', message: InspectorNotification<Profiler.ConsoleProfileFinishedEventDataType>): boolean;
+        emit(event: 'HeapProfiler.addHeapSnapshotChunk', message: InspectorNotification<HeapProfiler.AddHeapSnapshotChunkEventDataType>): boolean;
+        emit(event: 'HeapProfiler.resetProfiles'): boolean;
+        emit(event: 'HeapProfiler.reportHeapSnapshotProgress', message: InspectorNotification<HeapProfiler.ReportHeapSnapshotProgressEventDataType>): boolean;
+        emit(event: 'HeapProfiler.lastSeenObjectId', message: InspectorNotification<HeapProfiler.LastSeenObjectIdEventDataType>): boolean;
+        emit(event: 'HeapProfiler.heapStatsUpdate', message: InspectorNotification<HeapProfiler.HeapStatsUpdateEventDataType>): boolean;
+        emit(event: 'NodeTracing.dataCollected', message: InspectorNotification<NodeTracing.DataCollectedEventDataType>): boolean;
+        emit(event: 'NodeTracing.tracingComplete'): boolean;
+        emit(event: 'NodeWorker.attachedToWorker', message: InspectorNotification<NodeWorker.AttachedToWorkerEventDataType>): boolean;
+        emit(event: 'NodeWorker.detachedFromWorker', message: InspectorNotification<NodeWorker.DetachedFromWorkerEventDataType>): boolean;
+        emit(event: 'NodeWorker.receivedMessageFromWorker', message: InspectorNotification<NodeWorker.ReceivedMessageFromWorkerEventDataType>): boolean;
+        emit(event: 'NodeRuntime.waitingForDisconnect'): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        /**
+         * Emitted when any notification from the V8 Inspector is received.
+         */
+        on(event: 'inspectorNotification', listener: (message: InspectorNotification<{}>) => void): this;
+        /**
+         * Issued when new execution context is created.
+         */
+        on(event: 'Runtime.executionContextCreated', listener: (message: InspectorNotification<Runtime.ExecutionContextCreatedEventDataType>) => void): this;
+        /**
+         * Issued when execution context is destroyed.
+         */
+        on(event: 'Runtime.executionContextDestroyed', listener: (message: InspectorNotification<Runtime.ExecutionContextDestroyedEventDataType>) => void): this;
+        /**
+         * Issued when all executionContexts were cleared in browser
+         */
+        on(event: 'Runtime.executionContextsCleared', listener: () => void): this;
+        /**
+         * Issued when exception was thrown and unhandled.
+         */
+        on(event: 'Runtime.exceptionThrown', listener: (message: InspectorNotification<Runtime.ExceptionThrownEventDataType>) => void): this;
+        /**
+         * Issued when unhandled exception was revoked.
+         */
+        on(event: 'Runtime.exceptionRevoked', listener: (message: InspectorNotification<Runtime.ExceptionRevokedEventDataType>) => void): this;
+        /**
+         * Issued when console API was called.
+         */
+        on(event: 'Runtime.consoleAPICalled', listener: (message: InspectorNotification<Runtime.ConsoleAPICalledEventDataType>) => void): this;
+        /**
+         * Issued when object should be inspected (for example, as a result of inspect() command line API call).
+         */
+        on(event: 'Runtime.inspectRequested', listener: (message: InspectorNotification<Runtime.InspectRequestedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine parses script. This event is also fired for all known and uncollected scripts upon enabling debugger.
+         */
+        on(event: 'Debugger.scriptParsed', listener: (message: InspectorNotification<Debugger.ScriptParsedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine fails to parse the script.
+         */
+        on(event: 'Debugger.scriptFailedToParse', listener: (message: InspectorNotification<Debugger.ScriptFailedToParseEventDataType>) => void): this;
+        /**
+         * Fired when breakpoint is resolved to an actual script and location.
+         */
+        on(event: 'Debugger.breakpointResolved', listener: (message: InspectorNotification<Debugger.BreakpointResolvedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.
+         */
+        on(event: 'Debugger.paused', listener: (message: InspectorNotification<Debugger.PausedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine resumed execution.
+         */
+        on(event: 'Debugger.resumed', listener: () => void): this;
+        /**
+         * Issued when new console message is added.
+         */
+        on(event: 'Console.messageAdded', listener: (message: InspectorNotification<Console.MessageAddedEventDataType>) => void): this;
+        /**
+         * Sent when new profile recording is started using console.profile() call.
+         */
+        on(event: 'Profiler.consoleProfileStarted', listener: (message: InspectorNotification<Profiler.ConsoleProfileStartedEventDataType>) => void): this;
+        on(event: 'Profiler.consoleProfileFinished', listener: (message: InspectorNotification<Profiler.ConsoleProfileFinishedEventDataType>) => void): this;
+        on(event: 'HeapProfiler.addHeapSnapshotChunk', listener: (message: InspectorNotification<HeapProfiler.AddHeapSnapshotChunkEventDataType>) => void): this;
+        on(event: 'HeapProfiler.resetProfiles', listener: () => void): this;
+        on(event: 'HeapProfiler.reportHeapSnapshotProgress', listener: (message: InspectorNotification<HeapProfiler.ReportHeapSnapshotProgressEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend regularly sends a current value for last seen object id and corresponding timestamp. If the were changes in the heap since last event then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.
+         */
+        on(event: 'HeapProfiler.lastSeenObjectId', listener: (message: InspectorNotification<HeapProfiler.LastSeenObjectIdEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend may send update for one or more fragments
+         */
+        on(event: 'HeapProfiler.heapStatsUpdate', listener: (message: InspectorNotification<HeapProfiler.HeapStatsUpdateEventDataType>) => void): this;
+        /**
+         * Contains an bucket of collected trace events.
+         */
+        on(event: 'NodeTracing.dataCollected', listener: (message: InspectorNotification<NodeTracing.DataCollectedEventDataType>) => void): this;
+        /**
+         * Signals that tracing is stopped and there is no trace buffers pending flush, all data were
+         * delivered via dataCollected events.
+         */
+        on(event: 'NodeTracing.tracingComplete', listener: () => void): this;
+        /**
+         * Issued when attached to a worker.
+         */
+        on(event: 'NodeWorker.attachedToWorker', listener: (message: InspectorNotification<NodeWorker.AttachedToWorkerEventDataType>) => void): this;
+        /**
+         * Issued when detached from the worker.
+         */
+        on(event: 'NodeWorker.detachedFromWorker', listener: (message: InspectorNotification<NodeWorker.DetachedFromWorkerEventDataType>) => void): this;
+        /**
+         * Notifies about a new protocol message received from the session
+         * (session ID is provided in attachedToWorker notification).
+         */
+        on(event: 'NodeWorker.receivedMessageFromWorker', listener: (message: InspectorNotification<NodeWorker.ReceivedMessageFromWorkerEventDataType>) => void): this;
+        /**
+         * This event is fired instead of `Runtime.executionContextDestroyed` when
+         * enabled.
+         * It is fired when the Node process finished all code execution and is
+         * waiting for all frontends to disconnect.
+         */
+        on(event: 'NodeRuntime.waitingForDisconnect', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        /**
+         * Emitted when any notification from the V8 Inspector is received.
+         */
+        once(event: 'inspectorNotification', listener: (message: InspectorNotification<{}>) => void): this;
+        /**
+         * Issued when new execution context is created.
+         */
+        once(event: 'Runtime.executionContextCreated', listener: (message: InspectorNotification<Runtime.ExecutionContextCreatedEventDataType>) => void): this;
+        /**
+         * Issued when execution context is destroyed.
+         */
+        once(event: 'Runtime.executionContextDestroyed', listener: (message: InspectorNotification<Runtime.ExecutionContextDestroyedEventDataType>) => void): this;
+        /**
+         * Issued when all executionContexts were cleared in browser
+         */
+        once(event: 'Runtime.executionContextsCleared', listener: () => void): this;
+        /**
+         * Issued when exception was thrown and unhandled.
+         */
+        once(event: 'Runtime.exceptionThrown', listener: (message: InspectorNotification<Runtime.ExceptionThrownEventDataType>) => void): this;
+        /**
+         * Issued when unhandled exception was revoked.
+         */
+        once(event: 'Runtime.exceptionRevoked', listener: (message: InspectorNotification<Runtime.ExceptionRevokedEventDataType>) => void): this;
+        /**
+         * Issued when console API was called.
+         */
+        once(event: 'Runtime.consoleAPICalled', listener: (message: InspectorNotification<Runtime.ConsoleAPICalledEventDataType>) => void): this;
+        /**
+         * Issued when object should be inspected (for example, as a result of inspect() command line API call).
+         */
+        once(event: 'Runtime.inspectRequested', listener: (message: InspectorNotification<Runtime.InspectRequestedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine parses script. This event is also fired for all known and uncollected scripts upon enabling debugger.
+         */
+        once(event: 'Debugger.scriptParsed', listener: (message: InspectorNotification<Debugger.ScriptParsedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine fails to parse the script.
+         */
+        once(event: 'Debugger.scriptFailedToParse', listener: (message: InspectorNotification<Debugger.ScriptFailedToParseEventDataType>) => void): this;
+        /**
+         * Fired when breakpoint is resolved to an actual script and location.
+         */
+        once(event: 'Debugger.breakpointResolved', listener: (message: InspectorNotification<Debugger.BreakpointResolvedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.
+         */
+        once(event: 'Debugger.paused', listener: (message: InspectorNotification<Debugger.PausedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine resumed execution.
+         */
+        once(event: 'Debugger.resumed', listener: () => void): this;
+        /**
+         * Issued when new console message is added.
+         */
+        once(event: 'Console.messageAdded', listener: (message: InspectorNotification<Console.MessageAddedEventDataType>) => void): this;
+        /**
+         * Sent when new profile recording is started using console.profile() call.
+         */
+        once(event: 'Profiler.consoleProfileStarted', listener: (message: InspectorNotification<Profiler.ConsoleProfileStartedEventDataType>) => void): this;
+        once(event: 'Profiler.consoleProfileFinished', listener: (message: InspectorNotification<Profiler.ConsoleProfileFinishedEventDataType>) => void): this;
+        once(event: 'HeapProfiler.addHeapSnapshotChunk', listener: (message: InspectorNotification<HeapProfiler.AddHeapSnapshotChunkEventDataType>) => void): this;
+        once(event: 'HeapProfiler.resetProfiles', listener: () => void): this;
+        once(event: 'HeapProfiler.reportHeapSnapshotProgress', listener: (message: InspectorNotification<HeapProfiler.ReportHeapSnapshotProgressEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend regularly sends a current value for last seen object id and corresponding timestamp. If the were changes in the heap since last event then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.
+         */
+        once(event: 'HeapProfiler.lastSeenObjectId', listener: (message: InspectorNotification<HeapProfiler.LastSeenObjectIdEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend may send update for one or more fragments
+         */
+        once(event: 'HeapProfiler.heapStatsUpdate', listener: (message: InspectorNotification<HeapProfiler.HeapStatsUpdateEventDataType>) => void): this;
+        /**
+         * Contains an bucket of collected trace events.
+         */
+        once(event: 'NodeTracing.dataCollected', listener: (message: InspectorNotification<NodeTracing.DataCollectedEventDataType>) => void): this;
+        /**
+         * Signals that tracing is stopped and there is no trace buffers pending flush, all data were
+         * delivered via dataCollected events.
+         */
+        once(event: 'NodeTracing.tracingComplete', listener: () => void): this;
+        /**
+         * Issued when attached to a worker.
+         */
+        once(event: 'NodeWorker.attachedToWorker', listener: (message: InspectorNotification<NodeWorker.AttachedToWorkerEventDataType>) => void): this;
+        /**
+         * Issued when detached from the worker.
+         */
+        once(event: 'NodeWorker.detachedFromWorker', listener: (message: InspectorNotification<NodeWorker.DetachedFromWorkerEventDataType>) => void): this;
+        /**
+         * Notifies about a new protocol message received from the session
+         * (session ID is provided in attachedToWorker notification).
+         */
+        once(event: 'NodeWorker.receivedMessageFromWorker', listener: (message: InspectorNotification<NodeWorker.ReceivedMessageFromWorkerEventDataType>) => void): this;
+        /**
+         * This event is fired instead of `Runtime.executionContextDestroyed` when
+         * enabled.
+         * It is fired when the Node process finished all code execution and is
+         * waiting for all frontends to disconnect.
+         */
+        once(event: 'NodeRuntime.waitingForDisconnect', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        /**
+         * Emitted when any notification from the V8 Inspector is received.
+         */
+        prependListener(event: 'inspectorNotification', listener: (message: InspectorNotification<{}>) => void): this;
+        /**
+         * Issued when new execution context is created.
+         */
+        prependListener(event: 'Runtime.executionContextCreated', listener: (message: InspectorNotification<Runtime.ExecutionContextCreatedEventDataType>) => void): this;
+        /**
+         * Issued when execution context is destroyed.
+         */
+        prependListener(event: 'Runtime.executionContextDestroyed', listener: (message: InspectorNotification<Runtime.ExecutionContextDestroyedEventDataType>) => void): this;
+        /**
+         * Issued when all executionContexts were cleared in browser
+         */
+        prependListener(event: 'Runtime.executionContextsCleared', listener: () => void): this;
+        /**
+         * Issued when exception was thrown and unhandled.
+         */
+        prependListener(event: 'Runtime.exceptionThrown', listener: (message: InspectorNotification<Runtime.ExceptionThrownEventDataType>) => void): this;
+        /**
+         * Issued when unhandled exception was revoked.
+         */
+        prependListener(event: 'Runtime.exceptionRevoked', listener: (message: InspectorNotification<Runtime.ExceptionRevokedEventDataType>) => void): this;
+        /**
+         * Issued when console API was called.
+         */
+        prependListener(event: 'Runtime.consoleAPICalled', listener: (message: InspectorNotification<Runtime.ConsoleAPICalledEventDataType>) => void): this;
+        /**
+         * Issued when object should be inspected (for example, as a result of inspect() command line API call).
+         */
+        prependListener(event: 'Runtime.inspectRequested', listener: (message: InspectorNotification<Runtime.InspectRequestedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine parses script. This event is also fired for all known and uncollected scripts upon enabling debugger.
+         */
+        prependListener(event: 'Debugger.scriptParsed', listener: (message: InspectorNotification<Debugger.ScriptParsedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine fails to parse the script.
+         */
+        prependListener(event: 'Debugger.scriptFailedToParse', listener: (message: InspectorNotification<Debugger.ScriptFailedToParseEventDataType>) => void): this;
+        /**
+         * Fired when breakpoint is resolved to an actual script and location.
+         */
+        prependListener(event: 'Debugger.breakpointResolved', listener: (message: InspectorNotification<Debugger.BreakpointResolvedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.
+         */
+        prependListener(event: 'Debugger.paused', listener: (message: InspectorNotification<Debugger.PausedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine resumed execution.
+         */
+        prependListener(event: 'Debugger.resumed', listener: () => void): this;
+        /**
+         * Issued when new console message is added.
+         */
+        prependListener(event: 'Console.messageAdded', listener: (message: InspectorNotification<Console.MessageAddedEventDataType>) => void): this;
+        /**
+         * Sent when new profile recording is started using console.profile() call.
+         */
+        prependListener(event: 'Profiler.consoleProfileStarted', listener: (message: InspectorNotification<Profiler.ConsoleProfileStartedEventDataType>) => void): this;
+        prependListener(event: 'Profiler.consoleProfileFinished', listener: (message: InspectorNotification<Profiler.ConsoleProfileFinishedEventDataType>) => void): this;
+        prependListener(event: 'HeapProfiler.addHeapSnapshotChunk', listener: (message: InspectorNotification<HeapProfiler.AddHeapSnapshotChunkEventDataType>) => void): this;
+        prependListener(event: 'HeapProfiler.resetProfiles', listener: () => void): this;
+        prependListener(event: 'HeapProfiler.reportHeapSnapshotProgress', listener: (message: InspectorNotification<HeapProfiler.ReportHeapSnapshotProgressEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend regularly sends a current value for last seen object id and corresponding timestamp. If the were changes in the heap since last event then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.
+         */
+        prependListener(event: 'HeapProfiler.lastSeenObjectId', listener: (message: InspectorNotification<HeapProfiler.LastSeenObjectIdEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend may send update for one or more fragments
+         */
+        prependListener(event: 'HeapProfiler.heapStatsUpdate', listener: (message: InspectorNotification<HeapProfiler.HeapStatsUpdateEventDataType>) => void): this;
+        /**
+         * Contains an bucket of collected trace events.
+         */
+        prependListener(event: 'NodeTracing.dataCollected', listener: (message: InspectorNotification<NodeTracing.DataCollectedEventDataType>) => void): this;
+        /**
+         * Signals that tracing is stopped and there is no trace buffers pending flush, all data were
+         * delivered via dataCollected events.
+         */
+        prependListener(event: 'NodeTracing.tracingComplete', listener: () => void): this;
+        /**
+         * Issued when attached to a worker.
+         */
+        prependListener(event: 'NodeWorker.attachedToWorker', listener: (message: InspectorNotification<NodeWorker.AttachedToWorkerEventDataType>) => void): this;
+        /**
+         * Issued when detached from the worker.
+         */
+        prependListener(event: 'NodeWorker.detachedFromWorker', listener: (message: InspectorNotification<NodeWorker.DetachedFromWorkerEventDataType>) => void): this;
+        /**
+         * Notifies about a new protocol message received from the session
+         * (session ID is provided in attachedToWorker notification).
+         */
+        prependListener(event: 'NodeWorker.receivedMessageFromWorker', listener: (message: InspectorNotification<NodeWorker.ReceivedMessageFromWorkerEventDataType>) => void): this;
+        /**
+         * This event is fired instead of `Runtime.executionContextDestroyed` when
+         * enabled.
+         * It is fired when the Node process finished all code execution and is
+         * waiting for all frontends to disconnect.
+         */
+        prependListener(event: 'NodeRuntime.waitingForDisconnect', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        /**
+         * Emitted when any notification from the V8 Inspector is received.
+         */
+        prependOnceListener(event: 'inspectorNotification', listener: (message: InspectorNotification<{}>) => void): this;
+        /**
+         * Issued when new execution context is created.
+         */
+        prependOnceListener(event: 'Runtime.executionContextCreated', listener: (message: InspectorNotification<Runtime.ExecutionContextCreatedEventDataType>) => void): this;
+        /**
+         * Issued when execution context is destroyed.
+         */
+        prependOnceListener(event: 'Runtime.executionContextDestroyed', listener: (message: InspectorNotification<Runtime.ExecutionContextDestroyedEventDataType>) => void): this;
+        /**
+         * Issued when all executionContexts were cleared in browser
+         */
+        prependOnceListener(event: 'Runtime.executionContextsCleared', listener: () => void): this;
+        /**
+         * Issued when exception was thrown and unhandled.
+         */
+        prependOnceListener(event: 'Runtime.exceptionThrown', listener: (message: InspectorNotification<Runtime.ExceptionThrownEventDataType>) => void): this;
+        /**
+         * Issued when unhandled exception was revoked.
+         */
+        prependOnceListener(event: 'Runtime.exceptionRevoked', listener: (message: InspectorNotification<Runtime.ExceptionRevokedEventDataType>) => void): this;
+        /**
+         * Issued when console API was called.
+         */
+        prependOnceListener(event: 'Runtime.consoleAPICalled', listener: (message: InspectorNotification<Runtime.ConsoleAPICalledEventDataType>) => void): this;
+        /**
+         * Issued when object should be inspected (for example, as a result of inspect() command line API call).
+         */
+        prependOnceListener(event: 'Runtime.inspectRequested', listener: (message: InspectorNotification<Runtime.InspectRequestedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine parses script. This event is also fired for all known and uncollected scripts upon enabling debugger.
+         */
+        prependOnceListener(event: 'Debugger.scriptParsed', listener: (message: InspectorNotification<Debugger.ScriptParsedEventDataType>) => void): this;
+        /**
+         * Fired when virtual machine fails to parse the script.
+         */
+        prependOnceListener(event: 'Debugger.scriptFailedToParse', listener: (message: InspectorNotification<Debugger.ScriptFailedToParseEventDataType>) => void): this;
+        /**
+         * Fired when breakpoint is resolved to an actual script and location.
+         */
+        prependOnceListener(event: 'Debugger.breakpointResolved', listener: (message: InspectorNotification<Debugger.BreakpointResolvedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine stopped on breakpoint or exception or any other stop criteria.
+         */
+        prependOnceListener(event: 'Debugger.paused', listener: (message: InspectorNotification<Debugger.PausedEventDataType>) => void): this;
+        /**
+         * Fired when the virtual machine resumed execution.
+         */
+        prependOnceListener(event: 'Debugger.resumed', listener: () => void): this;
+        /**
+         * Issued when new console message is added.
+         */
+        prependOnceListener(event: 'Console.messageAdded', listener: (message: InspectorNotification<Console.MessageAddedEventDataType>) => void): this;
+        /**
+         * Sent when new profile recording is started using console.profile() call.
+         */
+        prependOnceListener(event: 'Profiler.consoleProfileStarted', listener: (message: InspectorNotification<Profiler.ConsoleProfileStartedEventDataType>) => void): this;
+        prependOnceListener(event: 'Profiler.consoleProfileFinished', listener: (message: InspectorNotification<Profiler.ConsoleProfileFinishedEventDataType>) => void): this;
+        prependOnceListener(event: 'HeapProfiler.addHeapSnapshotChunk', listener: (message: InspectorNotification<HeapProfiler.AddHeapSnapshotChunkEventDataType>) => void): this;
+        prependOnceListener(event: 'HeapProfiler.resetProfiles', listener: () => void): this;
+        prependOnceListener(event: 'HeapProfiler.reportHeapSnapshotProgress', listener: (message: InspectorNotification<HeapProfiler.ReportHeapSnapshotProgressEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend regularly sends a current value for last seen object id and corresponding timestamp. If the were changes in the heap since last event then one or more heapStatsUpdate events will be sent before a new lastSeenObjectId event.
+         */
+        prependOnceListener(event: 'HeapProfiler.lastSeenObjectId', listener: (message: InspectorNotification<HeapProfiler.LastSeenObjectIdEventDataType>) => void): this;
+        /**
+         * If heap objects tracking has been started then backend may send update for one or more fragments
+         */
+        prependOnceListener(event: 'HeapProfiler.heapStatsUpdate', listener: (message: InspectorNotification<HeapProfiler.HeapStatsUpdateEventDataType>) => void): this;
+        /**
+         * Contains an bucket of collected trace events.
+         */
+        prependOnceListener(event: 'NodeTracing.dataCollected', listener: (message: InspectorNotification<NodeTracing.DataCollectedEventDataType>) => void): this;
+        /**
+         * Signals that tracing is stopped and there is no trace buffers pending flush, all data were
+         * delivered via dataCollected events.
+         */
+        prependOnceListener(event: 'NodeTracing.tracingComplete', listener: () => void): this;
+        /**
+         * Issued when attached to a worker.
+         */
+        prependOnceListener(event: 'NodeWorker.attachedToWorker', listener: (message: InspectorNotification<NodeWorker.AttachedToWorkerEventDataType>) => void): this;
+        /**
+         * Issued when detached from the worker.
+         */
+        prependOnceListener(event: 'NodeWorker.detachedFromWorker', listener: (message: InspectorNotification<NodeWorker.DetachedFromWorkerEventDataType>) => void): this;
+        /**
+         * Notifies about a new protocol message received from the session
+         * (session ID is provided in attachedToWorker notification).
+         */
+        prependOnceListener(event: 'NodeWorker.receivedMessageFromWorker', listener: (message: InspectorNotification<NodeWorker.ReceivedMessageFromWorkerEventDataType>) => void): this;
+        /**
+         * This event is fired instead of `Runtime.executionContextDestroyed` when
+         * enabled.
+         * It is fired when the Node process finished all code execution and is
+         * waiting for all frontends to disconnect.
+         */
+        prependOnceListener(event: 'NodeRuntime.waitingForDisconnect', listener: () => void): this;
+    }
+    /**
+     * Activate inspector on host and port. Equivalent to`node --inspect=[[host:]port]`, but can be done programmatically after node has
+     * started.
+     *
+     * If wait is `true`, will block until a client has connected to the inspect port
+     * and flow control has been passed to the debugger client.
+     *
+     * See the `security warning` regarding the `host`parameter usage.
+     * @param [port='what was specified on the CLI'] Port to listen on for inspector connections. Optional.
+     * @param [host='what was specified on the CLI'] Host to listen on for inspector connections. Optional.
+     * @param [wait=false] Block until a client has connected. Optional.
+     */
+    function open(port?: number, host?: string, wait?: boolean): void;
+    /**
+     * Deactivate the inspector. Blocks until there are no active connections.
+     */
+    function close(): void;
+    /**
+     * Return the URL of the active inspector, or `undefined` if there is none.
+     *
+     * ```console
+     * $ node --inspect -p 'inspector.url()'
+     * Debugger listening on ws://127.0.0.1:9229/166e272e-7a30-4d09-97ce-f1c012b43c34
+     * For help, see: https://nodejs.org/en/docs/inspector
+     * ws://127.0.0.1:9229/166e272e-7a30-4d09-97ce-f1c012b43c34
+     *
+     * $ node --inspect=localhost:3000 -p 'inspector.url()'
+     * Debugger listening on ws://localhost:3000/51cf8d0e-3c36-4c59-8efd-54519839e56a
+     * For help, see: https://nodejs.org/en/docs/inspector
+     * ws://localhost:3000/51cf8d0e-3c36-4c59-8efd-54519839e56a
+     *
+     * $ node -p 'inspector.url()'
+     * undefined
+     * ```
+     */
+    function url(): string | undefined;
+    /**
+     * Blocks until a client (existing or connected later) has sent`Runtime.runIfWaitingForDebugger` command.
+     *
+     * An exception will be thrown if there is no active inspector.
+     * @since v12.7.0
+     */
+    function waitForDebugger(): void;
+}
+/**
+ * The inspector module provides an API for interacting with the V8 inspector.
+ */
+declare module 'node:inspector' {
+    import inspector = require('inspector');
+    export = inspector;
+}
diff --git a/node_modules/@types/node/ts4.8/module.d.ts b/node_modules/@types/node/ts4.8/module.d.ts
new file mode 100644
index 000000000..d83aec94a
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/module.d.ts
@@ -0,0 +1,114 @@
+/**
+ * @since v0.3.7
+ */
+declare module 'module' {
+    import { URL } from 'node:url';
+    namespace Module {
+        /**
+         * The `module.syncBuiltinESMExports()` method updates all the live bindings for
+         * builtin `ES Modules` to match the properties of the `CommonJS` exports. It
+         * does not add or remove exported names from the `ES Modules`.
+         *
+         * ```js
+         * const fs = require('fs');
+         * const assert = require('assert');
+         * const { syncBuiltinESMExports } = require('module');
+         *
+         * fs.readFile = newAPI;
+         *
+         * delete fs.readFileSync;
+         *
+         * function newAPI() {
+         *   // ...
+         * }
+         *
+         * fs.newAPI = newAPI;
+         *
+         * syncBuiltinESMExports();
+         *
+         * import('fs').then((esmFS) => {
+         *   // It syncs the existing readFile property with the new value
+         *   assert.strictEqual(esmFS.readFile, newAPI);
+         *   // readFileSync has been deleted from the required fs
+         *   assert.strictEqual('readFileSync' in fs, false);
+         *   // syncBuiltinESMExports() does not remove readFileSync from esmFS
+         *   assert.strictEqual('readFileSync' in esmFS, true);
+         *   // syncBuiltinESMExports() does not add names
+         *   assert.strictEqual(esmFS.newAPI, undefined);
+         * });
+         * ```
+         * @since v12.12.0
+         */
+        function syncBuiltinESMExports(): void;
+        /**
+         * `path` is the resolved path for the file for which a corresponding source map
+         * should be fetched.
+         * @since v13.7.0, v12.17.0
+         */
+        function findSourceMap(path: string, error?: Error): SourceMap;
+        interface SourceMapPayload {
+            file: string;
+            version: number;
+            sources: string[];
+            sourcesContent: string[];
+            names: string[];
+            mappings: string;
+            sourceRoot: string;
+        }
+        interface SourceMapping {
+            generatedLine: number;
+            generatedColumn: number;
+            originalSource: string;
+            originalLine: number;
+            originalColumn: number;
+        }
+        /**
+         * @since v13.7.0, v12.17.0
+         */
+        class SourceMap {
+            /**
+             * Getter for the payload used to construct the `SourceMap` instance.
+             */
+            readonly payload: SourceMapPayload;
+            constructor(payload: SourceMapPayload);
+            /**
+             * Given a line number and column number in the generated source file, returns
+             * an object representing the position in the original file. The object returned
+             * consists of the following keys:
+             */
+            findEntry(line: number, column: number): SourceMapping;
+        }
+    }
+    interface Module extends NodeModule {}
+    class Module {
+        static runMain(): void;
+        static wrap(code: string): string;
+        static createRequire(path: string | URL): NodeRequire;
+        static builtinModules: string[];
+        static Module: typeof Module;
+        constructor(id: string, parent?: Module);
+    }
+    global {
+        interface ImportMeta {
+            url: string;
+            /**
+             * @experimental
+             * This feature is only available with the `--experimental-import-meta-resolve`
+             * command flag enabled.
+             *
+             * Provides a module-relative resolution function scoped to each module, returning
+             * the URL string.
+             *
+             * @param specified The module specifier to resolve relative to `parent`.
+             * @param parent The absolute parent module URL to resolve from. If none
+             * is specified, the value of `import.meta.url` is used as the default.
+             */
+            resolve?(specified: string, parent?: string | URL): Promise<string>;
+        }
+    }
+    export = Module;
+}
+declare module 'node:module' {
+    import module = require('module');
+    export = module;
+}
diff --git a/node_modules/@types/node/ts4.8/net.d.ts b/node_modules/@types/node/ts4.8/net.d.ts
new file mode 100644
index 000000000..eaa08bcf3
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/net.d.ts
@@ -0,0 +1,838 @@
+/**
+ * > Stability: 2 - Stable
+ *
+ * The `net` module provides an asynchronous network API for creating stream-based
+ * TCP or `IPC` servers ({@link createServer}) and clients
+ * ({@link createConnection}).
+ *
+ * It can be accessed using:
+ *
+ * ```js
+ * const net = require('net');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/net.js)
+ */
+declare module 'net' {
+    import * as stream from 'node:stream';
+    import { Abortable, EventEmitter } from 'node:events';
+    import * as dns from 'node:dns';
+    type LookupFunction = (hostname: string, options: dns.LookupOneOptions, callback: (err: NodeJS.ErrnoException | null, address: string, family: number) => void) => void;
+    interface AddressInfo {
+        address: string;
+        family: string;
+        port: number;
+    }
+    interface SocketConstructorOpts {
+        fd?: number | undefined;
+        allowHalfOpen?: boolean | undefined;
+        readable?: boolean | undefined;
+        writable?: boolean | undefined;
+        signal?: AbortSignal;
+    }
+    interface OnReadOpts {
+        buffer: Uint8Array | (() => Uint8Array);
+        /**
+         * This function is called for every chunk of incoming data.
+         * Two arguments are passed to it: the number of bytes written to buffer and a reference to buffer.
+         * Return false from this function to implicitly pause() the socket.
+         */
+        callback(bytesWritten: number, buf: Uint8Array): boolean;
+    }
+    interface ConnectOpts {
+        /**
+         * If specified, incoming data is stored in a single buffer and passed to the supplied callback when data arrives on the socket.
+         * Note: this will cause the streaming functionality to not provide any data, however events like 'error', 'end', and 'close' will
+         * still be emitted as normal and methods like pause() and resume() will also behave as expected.
+         */
+        onread?: OnReadOpts | undefined;
+    }
+    interface TcpSocketConnectOpts extends ConnectOpts {
+        port: number;
+        host?: string | undefined;
+        localAddress?: string | undefined;
+        localPort?: number | undefined;
+        hints?: number | undefined;
+        family?: number | undefined;
+        lookup?: LookupFunction | undefined;
+        noDelay?: boolean | undefined;
+        keepAlive?: boolean | undefined;
+        keepAliveInitialDelay?: number | undefined;
+    }
+    interface IpcSocketConnectOpts extends ConnectOpts {
+        path: string;
+    }
+    type SocketConnectOpts = TcpSocketConnectOpts | IpcSocketConnectOpts;
+    type SocketReadyState = 'opening' | 'open' | 'readOnly' | 'writeOnly' | 'closed';
+    /**
+     * This class is an abstraction of a TCP socket or a streaming `IPC` endpoint
+     * (uses named pipes on Windows, and Unix domain sockets otherwise). It is also
+     * an `EventEmitter`.
+     *
+     * A `net.Socket` can be created by the user and used directly to interact with
+     * a server. For example, it is returned by {@link createConnection},
+     * so the user can use it to talk to the server.
+     *
+     * It can also be created by Node.js and passed to the user when a connection
+     * is received. For example, it is passed to the listeners of a `'connection'` event emitted on a {@link Server}, so the user can use
+     * it to interact with the client.
+     * @since v0.3.4
+     */
+    class Socket extends stream.Duplex {
+        constructor(options?: SocketConstructorOpts);
+        /**
+         * Sends data on the socket. The second parameter specifies the encoding in the
+         * case of a string. It defaults to UTF8 encoding.
+         *
+         * Returns `true` if the entire data was flushed successfully to the kernel
+         * buffer. Returns `false` if all or part of the data was queued in user memory.`'drain'` will be emitted when the buffer is again free.
+         *
+         * The optional `callback` parameter will be executed when the data is finally
+         * written out, which may not be immediately.
+         *
+         * See `Writable` stream `write()` method for more
+         * information.
+         * @since v0.1.90
+         * @param [encoding='utf8'] Only used when data is `string`.
+         */
+        write(buffer: Uint8Array | string, cb?: (err?: Error) => void): boolean;
+        write(str: Uint8Array | string, encoding?: BufferEncoding, cb?: (err?: Error) => void): boolean;
+        /**
+         * Initiate a connection on a given socket.
+         *
+         * Possible signatures:
+         *
+         * * `socket.connect(options[, connectListener])`
+         * * `socket.connect(path[, connectListener])` for `IPC` connections.
+         * * `socket.connect(port[, host][, connectListener])` for TCP connections.
+         * * Returns: `net.Socket` The socket itself.
+         *
+         * This function is asynchronous. When the connection is established, the `'connect'` event will be emitted. If there is a problem connecting,
+         * instead of a `'connect'` event, an `'error'` event will be emitted with
+         * the error passed to the `'error'` listener.
+         * The last parameter `connectListener`, if supplied, will be added as a listener
+         * for the `'connect'` event **once**.
+         *
+         * This function should only be used for reconnecting a socket after`'close'` has been emitted or otherwise it may lead to undefined
+         * behavior.
+         */
+        connect(options: SocketConnectOpts, connectionListener?: () => void): this;
+        connect(port: number, host: string, connectionListener?: () => void): this;
+        connect(port: number, connectionListener?: () => void): this;
+        connect(path: string, connectionListener?: () => void): this;
+        /**
+         * Set the encoding for the socket as a `Readable Stream`. See `readable.setEncoding()` for more information.
+         * @since v0.1.90
+         * @return The socket itself.
+         */
+        setEncoding(encoding?: BufferEncoding): this;
+        /**
+         * Pauses the reading of data. That is, `'data'` events will not be emitted.
+         * Useful to throttle back an upload.
+         * @return The socket itself.
+         */
+        pause(): this;
+        /**
+         * Resumes reading after a call to `socket.pause()`.
+         * @return The socket itself.
+         */
+        resume(): this;
+        /**
+         * Sets the socket to timeout after `timeout` milliseconds of inactivity on
+         * the socket. By default `net.Socket` do not have a timeout.
+         *
+         * When an idle timeout is triggered the socket will receive a `'timeout'` event but the connection will not be severed. The user must manually call `socket.end()` or `socket.destroy()` to
+         * end the connection.
+         *
+         * ```js
+         * socket.setTimeout(3000);
+         * socket.on('timeout', () => {
+         *   console.log('socket timeout');
+         *   socket.end();
+         * });
+         * ```
+         *
+         * If `timeout` is 0, then the existing idle timeout is disabled.
+         *
+         * The optional `callback` parameter will be added as a one-time listener for the `'timeout'` event.
+         * @since v0.1.90
+         * @return The socket itself.
+         */
+        setTimeout(timeout: number, callback?: () => void): this;
+        /**
+         * Enable/disable the use of Nagle's algorithm.
+         *
+         * When a TCP connection is created, it will have Nagle's algorithm enabled.
+         *
+         * Nagle's algorithm delays data before it is sent via the network. It attempts
+         * to optimize throughput at the expense of latency.
+         *
+         * Passing `true` for `noDelay` or not passing an argument will disable Nagle's
+         * algorithm for the socket. Passing `false` for `noDelay` will enable Nagle's
+         * algorithm.
+         * @since v0.1.90
+         * @param [noDelay=true]
+         * @return The socket itself.
+         */
+        setNoDelay(noDelay?: boolean): this;
+        /**
+         * Enable/disable keep-alive functionality, and optionally set the initial
+         * delay before the first keepalive probe is sent on an idle socket.
+         *
+         * Set `initialDelay` (in milliseconds) to set the delay between the last
+         * data packet received and the first keepalive probe. Setting `0` for`initialDelay` will leave the value unchanged from the default
+         * (or previous) setting.
+         *
+         * Enabling the keep-alive functionality will set the following socket options:
+         *
+         * * `SO_KEEPALIVE=1`
+         * * `TCP_KEEPIDLE=initialDelay`
+         * * `TCP_KEEPCNT=10`
+         * * `TCP_KEEPINTVL=1`
+         * @since v0.1.92
+         * @param [enable=false]
+         * @param [initialDelay=0]
+         * @return The socket itself.
+         */
+        setKeepAlive(enable?: boolean, initialDelay?: number): this;
+        /**
+         * Returns the bound `address`, the address `family` name and `port` of the
+         * socket as reported by the operating system:`{ port: 12346, family: 'IPv4', address: '127.0.0.1' }`
+         * @since v0.1.90
+         */
+        address(): AddressInfo | {};
+        /**
+         * Calling `unref()` on a socket will allow the program to exit if this is the only
+         * active socket in the event system. If the socket is already `unref`ed calling`unref()` again will have no effect.
+         * @since v0.9.1
+         * @return The socket itself.
+         */
+        unref(): this;
+        /**
+         * Opposite of `unref()`, calling `ref()` on a previously `unref`ed socket will _not_ let the program exit if it's the only socket left (the default behavior).
+         * If the socket is `ref`ed calling `ref` again will have no effect.
+         * @since v0.9.1
+         * @return The socket itself.
+         */
+        ref(): this;
+        /**
+         * This property shows the number of characters buffered for writing. The buffer
+         * may contain strings whose length after encoding is not yet known. So this number
+         * is only an approximation of the number of bytes in the buffer.
+         *
+         * `net.Socket` has the property that `socket.write()` always works. This is to
+         * help users get up and running quickly. The computer cannot always keep up
+         * with the amount of data that is written to a socket. The network connection
+         * simply might be too slow. Node.js will internally queue up the data written to a
+         * socket and send it out over the wire when it is possible.
+         *
+         * The consequence of this internal buffering is that memory may grow.
+         * Users who experience large or growing `bufferSize` should attempt to
+         * "throttle" the data flows in their program with `socket.pause()` and `socket.resume()`.
+         * @since v0.3.8
+         * @deprecated Since v14.6.0 - Use `writableLength` instead.
+         */
+        readonly bufferSize: number;
+        /**
+         * The amount of received bytes.
+         * @since v0.5.3
+         */
+        readonly bytesRead: number;
+        /**
+         * The amount of bytes sent.
+         * @since v0.5.3
+         */
+        readonly bytesWritten: number;
+        /**
+         * If `true`,`socket.connect(options[, connectListener])` was
+         * called and has not yet finished. It will stay `true` until the socket becomes
+         * connected, then it is set to `false` and the `'connect'` event is emitted. Note
+         * that the `socket.connect(options[, connectListener])` callback is a listener for the `'connect'` event.
+         * @since v6.1.0
+         */
+        readonly connecting: boolean;
+        /**
+         * See `writable.destroyed` for further details.
+         */
+        readonly destroyed: boolean;
+        /**
+         * The string representation of the local IP address the remote client is
+         * connecting on. For example, in a server listening on `'0.0.0.0'`, if a client
+         * connects on `'192.168.1.1'`, the value of `socket.localAddress` would be`'192.168.1.1'`.
+         * @since v0.9.6
+         */
+        readonly localAddress?: string;
+        /**
+         * The numeric representation of the local port. For example, `80` or `21`.
+         * @since v0.9.6
+         */
+        readonly localPort?: number;
+        /**
+         * This property represents the state of the connection as a string.
+         * @see {https://nodejs.org/api/net.html#socketreadystate}
+         * @since v0.5.0
+         */
+        readonly readyState: SocketReadyState;
+        /**
+         * The string representation of the remote IP address. For example,`'74.125.127.100'` or `'2001:4860:a005::68'`. Value may be `undefined` if
+         * the socket is destroyed (for example, if the client disconnected).
+         * @since v0.5.10
+         */
+        readonly remoteAddress?: string | undefined;
+        /**
+         * The string representation of the remote IP family. `'IPv4'` or `'IPv6'`.
+         * @since v0.11.14
+         */
+        readonly remoteFamily?: string | undefined;
+        /**
+         * The numeric representation of the remote port. For example, `80` or `21`.
+         * @since v0.5.10
+         */
+        readonly remotePort?: number | undefined;
+        /**
+         * The socket timeout in milliseconds as set by socket.setTimeout(). It is undefined if a timeout has not been set.
+         * @since v10.7.0
+         */
+        readonly timeout?: number | undefined;
+        /**
+         * Half-closes the socket. i.e., it sends a FIN packet. It is possible the
+         * server will still send some data.
+         *
+         * See `writable.end()` for further details.
+         * @since v0.1.90
+         * @param [encoding='utf8'] Only used when data is `string`.
+         * @param callback Optional callback for when the socket is finished.
+         * @return The socket itself.
+         */
+        end(callback?: () => void): this;
+        end(buffer: Uint8Array | string, callback?: () => void): this;
+        end(str: Uint8Array | string, encoding?: BufferEncoding, callback?: () => void): this;
+        /**
+         * events.EventEmitter
+         *   1. close
+         *   2. connect
+         *   3. data
+         *   4. drain
+         *   5. end
+         *   6. error
+         *   7. lookup
+         *   8. timeout
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: (hadError: boolean) => void): this;
+        addListener(event: 'connect', listener: () => void): this;
+        addListener(event: 'data', listener: (data: Buffer) => void): this;
+        addListener(event: 'drain', listener: () => void): this;
+        addListener(event: 'end', listener: () => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'lookup', listener: (err: Error, address: string, family: string | number, host: string) => void): this;
+        addListener(event: 'ready', listener: () => void): this;
+        addListener(event: 'timeout', listener: () => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'close', hadError: boolean): boolean;
+        emit(event: 'connect'): boolean;
+        emit(event: 'data', data: Buffer): boolean;
+        emit(event: 'drain'): boolean;
+        emit(event: 'end'): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'lookup', err: Error, address: string, family: string | number, host: string): boolean;
+        emit(event: 'ready'): boolean;
+        emit(event: 'timeout'): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: (hadError: boolean) => void): this;
+        on(event: 'connect', listener: () => void): this;
+        on(event: 'data', listener: (data: Buffer) => void): this;
+        on(event: 'drain', listener: () => void): this;
+        on(event: 'end', listener: () => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'lookup', listener: (err: Error, address: string, family: string | number, host: string) => void): this;
+        on(event: 'ready', listener: () => void): this;
+        on(event: 'timeout', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: (hadError: boolean) => void): this;
+        once(event: 'connect', listener: () => void): this;
+        once(event: 'data', listener: (data: Buffer) => void): this;
+        once(event: 'drain', listener: () => void): this;
+        once(event: 'end', listener: () => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'lookup', listener: (err: Error, address: string, family: string | number, host: string) => void): this;
+        once(event: 'ready', listener: () => void): this;
+        once(event: 'timeout', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: (hadError: boolean) => void): this;
+        prependListener(event: 'connect', listener: () => void): this;
+        prependListener(event: 'data', listener: (data: Buffer) => void): this;
+        prependListener(event: 'drain', listener: () => void): this;
+        prependListener(event: 'end', listener: () => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'lookup', listener: (err: Error, address: string, family: string | number, host: string) => void): this;
+        prependListener(event: 'ready', listener: () => void): this;
+        prependListener(event: 'timeout', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: (hadError: boolean) => void): this;
+        prependOnceListener(event: 'connect', listener: () => void): this;
+        prependOnceListener(event: 'data', listener: (data: Buffer) => void): this;
+        prependOnceListener(event: 'drain', listener: () => void): this;
+        prependOnceListener(event: 'end', listener: () => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'lookup', listener: (err: Error, address: string, family: string | number, host: string) => void): this;
+        prependOnceListener(event: 'ready', listener: () => void): this;
+        prependOnceListener(event: 'timeout', listener: () => void): this;
+    }
+    interface ListenOptions extends Abortable {
+        port?: number | undefined;
+        host?: string | undefined;
+        backlog?: number | undefined;
+        path?: string | undefined;
+        exclusive?: boolean | undefined;
+        readableAll?: boolean | undefined;
+        writableAll?: boolean | undefined;
+        /**
+         * @default false
+         */
+        ipv6Only?: boolean | undefined;
+    }
+    interface ServerOpts {
+        /**
+         * Indicates whether half-opened TCP connections are allowed.
+         * @default false
+         */
+        allowHalfOpen?: boolean | undefined;
+        /**
+         * Indicates whether the socket should be paused on incoming connections.
+         * @default false
+         */
+        pauseOnConnect?: boolean | undefined;
+        /**
+         * If set to `true`, it disables the use of Nagle's algorithm immediately after a new incoming connection is received.
+         * @default false
+         * @since v16.5.0
+         */
+        noDelay?: boolean | undefined;
+        /**
+         * If set to `true`, it enables keep-alive functionality on the socket immediately after a new incoming connection is received,
+         * similarly on what is done in `socket.setKeepAlive([enable][, initialDelay])`.
+         * @default false
+         * @since v16.5.0
+         */
+        keepAlive?: boolean | undefined;
+        /**
+         * If set to a positive number, it sets the initial delay before the first keepalive probe is sent on an idle socket.
+         * @default 0
+         * @since v16.5.0
+         */
+        keepAliveInitialDelay?: number | undefined;
+    }
+    /**
+     * This class is used to create a TCP or `IPC` server.
+     * @since v0.1.90
+     */
+    class Server extends EventEmitter {
+        constructor(connectionListener?: (socket: Socket) => void);
+        constructor(options?: ServerOpts, connectionListener?: (socket: Socket) => void);
+        /**
+         * Start a server listening for connections. A `net.Server` can be a TCP or
+         * an `IPC` server depending on what it listens to.
+         *
+         * Possible signatures:
+         *
+         * * `server.listen(handle[, backlog][, callback])`
+         * * `server.listen(options[, callback])`
+         * * `server.listen(path[, backlog][, callback])` for `IPC` servers
+         * * `server.listen([port[, host[, backlog]]][, callback])` for TCP servers
+         *
+         * This function is asynchronous. When the server starts listening, the `'listening'` event will be emitted. The last parameter `callback`will be added as a listener for the `'listening'`
+         * event.
+         *
+         * All `listen()` methods can take a `backlog` parameter to specify the maximum
+         * length of the queue of pending connections. The actual length will be determined
+         * by the OS through sysctl settings such as `tcp_max_syn_backlog` and `somaxconn`on Linux. The default value of this parameter is 511 (not 512).
+         *
+         * All {@link Socket} are set to `SO_REUSEADDR` (see [`socket(7)`](https://man7.org/linux/man-pages/man7/socket.7.html) for
+         * details).
+         *
+         * The `server.listen()` method can be called again if and only if there was an
+         * error during the first `server.listen()` call or `server.close()` has been
+         * called. Otherwise, an `ERR_SERVER_ALREADY_LISTEN` error will be thrown.
+         *
+         * One of the most common errors raised when listening is `EADDRINUSE`.
+         * This happens when another server is already listening on the requested`port`/`path`/`handle`. One way to handle this would be to retry
+         * after a certain amount of time:
+         *
+         * ```js
+         * server.on('error', (e) => {
+         *   if (e.code === 'EADDRINUSE') {
+         *     console.log('Address in use, retrying...');
+         *     setTimeout(() => {
+         *       server.close();
+         *       server.listen(PORT, HOST);
+         *     }, 1000);
+         *   }
+         * });
+         * ```
+         */
+        listen(port?: number, hostname?: string, backlog?: number, listeningListener?: () => void): this;
+        listen(port?: number, hostname?: string, listeningListener?: () => void): this;
+        listen(port?: number, backlog?: number, listeningListener?: () => void): this;
+        listen(port?: number, listeningListener?: () => void): this;
+        listen(path: string, backlog?: number, listeningListener?: () => void): this;
+        listen(path: string, listeningListener?: () => void): this;
+        listen(options: ListenOptions, listeningListener?: () => void): this;
+        listen(handle: any, backlog?: number, listeningListener?: () => void): this;
+        listen(handle: any, listeningListener?: () => void): this;
+        /**
+         * Stops the server from accepting new connections and keeps existing
+         * connections. This function is asynchronous, the server is finally closed
+         * when all connections are ended and the server emits a `'close'` event.
+         * The optional `callback` will be called once the `'close'` event occurs. Unlike
+         * that event, it will be called with an `Error` as its only argument if the server
+         * was not open when it was closed.
+         * @since v0.1.90
+         * @param callback Called when the server is closed.
+         */
+        close(callback?: (err?: Error) => void): this;
+        /**
+         * Returns the bound `address`, the address `family` name, and `port` of the server
+         * as reported by the operating system if listening on an IP socket
+         * (useful to find which port was assigned when getting an OS-assigned address):`{ port: 12346, family: 'IPv4', address: '127.0.0.1' }`.
+         *
+         * For a server listening on a pipe or Unix domain socket, the name is returned
+         * as a string.
+         *
+         * ```js
+         * const server = net.createServer((socket) => {
+         *   socket.end('goodbye\n');
+         * }).on('error', (err) => {
+         *   // Handle errors here.
+         *   throw err;
+         * });
+         *
+         * // Grab an arbitrary unused port.
+         * server.listen(() => {
+         *   console.log('opened server on', server.address());
+         * });
+         * ```
+         *
+         * `server.address()` returns `null` before the `'listening'` event has been
+         * emitted or after calling `server.close()`.
+         * @since v0.1.90
+         */
+        address(): AddressInfo | string | null;
+        /**
+         * Asynchronously get the number of concurrent connections on the server. Works
+         * when sockets were sent to forks.
+         *
+         * Callback should take two arguments `err` and `count`.
+         * @since v0.9.7
+         */
+        getConnections(cb: (error: Error | null, count: number) => void): void;
+        /**
+         * Opposite of `unref()`, calling `ref()` on a previously `unref`ed server will _not_ let the program exit if it's the only server left (the default behavior).
+         * If the server is `ref`ed calling `ref()` again will have no effect.
+         * @since v0.9.1
+         */
+        ref(): this;
+        /**
+         * Calling `unref()` on a server will allow the program to exit if this is the only
+         * active server in the event system. If the server is already `unref`ed calling`unref()` again will have no effect.
+         * @since v0.9.1
+         */
+        unref(): this;
+        /**
+         * Set this property to reject connections when the server's connection count gets
+         * high.
+         *
+         * It is not recommended to use this option once a socket has been sent to a child
+         * with `child_process.fork()`.
+         * @since v0.2.0
+         */
+        maxConnections: number;
+        connections: number;
+        /**
+         * Indicates whether or not the server is listening for connections.
+         * @since v5.7.0
+         */
+        listening: boolean;
+        /**
+         * events.EventEmitter
+         *   1. close
+         *   2. connection
+         *   3. error
+         *   4. listening
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'connection', listener: (socket: Socket) => void): this;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'listening', listener: () => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'connection', socket: Socket): boolean;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'listening'): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'connection', listener: (socket: Socket) => void): this;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'listening', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'connection', listener: (socket: Socket) => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'listening', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'connection', listener: (socket: Socket) => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'listening', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'connection', listener: (socket: Socket) => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'listening', listener: () => void): this;
+    }
+    type IPVersion = 'ipv4' | 'ipv6';
+    /**
+     * The `BlockList` object can be used with some network APIs to specify rules for
+     * disabling inbound or outbound access to specific IP addresses, IP ranges, or
+     * IP subnets.
+     * @since v15.0.0, v14.18.0
+     */
+    class BlockList {
+        /**
+         * Adds a rule to block the given IP address.
+         * @since v15.0.0, v14.18.0
+         * @param address An IPv4 or IPv6 address.
+         * @param [type='ipv4'] Either `'ipv4'` or `'ipv6'`.
+         */
+        addAddress(address: string, type?: IPVersion): void;
+        addAddress(address: SocketAddress): void;
+        /**
+         * Adds a rule to block a range of IP addresses from `start` (inclusive) to`end` (inclusive).
+         * @since v15.0.0, v14.18.0
+         * @param start The starting IPv4 or IPv6 address in the range.
+         * @param end The ending IPv4 or IPv6 address in the range.
+         * @param [type='ipv4'] Either `'ipv4'` or `'ipv6'`.
+         */
+        addRange(start: string, end: string, type?: IPVersion): void;
+        addRange(start: SocketAddress, end: SocketAddress): void;
+        /**
+         * Adds a rule to block a range of IP addresses specified as a subnet mask.
+         * @since v15.0.0, v14.18.0
+         * @param net The network IPv4 or IPv6 address.
+         * @param prefix The number of CIDR prefix bits. For IPv4, this must be a value between `0` and `32`. For IPv6, this must be between `0` and `128`.
+         * @param [type='ipv4'] Either `'ipv4'` or `'ipv6'`.
+         */
+        addSubnet(net: SocketAddress, prefix: number): void;
+        addSubnet(net: string, prefix: number, type?: IPVersion): void;
+        /**
+         * Returns `true` if the given IP address matches any of the rules added to the`BlockList`.
+         *
+         * ```js
+         * const blockList = new net.BlockList();
+         * blockList.addAddress('123.123.123.123');
+         * blockList.addRange('10.0.0.1', '10.0.0.10');
+         * blockList.addSubnet('8592:757c:efae:4e45::', 64, 'ipv6');
+         *
+         * console.log(blockList.check('123.123.123.123'));  // Prints: true
+         * console.log(blockList.check('10.0.0.3'));  // Prints: true
+         * console.log(blockList.check('222.111.111.222'));  // Prints: false
+         *
+         * // IPv6 notation for IPv4 addresses works:
+         * console.log(blockList.check('::ffff:7b7b:7b7b', 'ipv6')); // Prints: true
+         * console.log(blockList.check('::ffff:123.123.123.123', 'ipv6')); // Prints: true
+         * ```
+         * @since v15.0.0, v14.18.0
+         * @param address The IP address to check
+         * @param [type='ipv4'] Either `'ipv4'` or `'ipv6'`.
+         */
+        check(address: SocketAddress): boolean;
+        check(address: string, type?: IPVersion): boolean;
+    }
+    interface TcpNetConnectOpts extends TcpSocketConnectOpts, SocketConstructorOpts {
+        timeout?: number | undefined;
+    }
+    interface IpcNetConnectOpts extends IpcSocketConnectOpts, SocketConstructorOpts {
+        timeout?: number | undefined;
+    }
+    type NetConnectOpts = TcpNetConnectOpts | IpcNetConnectOpts;
+    /**
+     * Creates a new TCP or `IPC` server.
+     *
+     * If `allowHalfOpen` is set to `true`, when the other end of the socket
+     * signals the end of transmission, the server will only send back the end of
+     * transmission when `socket.end()` is explicitly called. For example, in the
+     * context of TCP, when a FIN packed is received, a FIN packed is sent
+     * back only when `socket.end()` is explicitly called. Until then the
+     * connection is half-closed (non-readable but still writable). See `'end'` event and [RFC 1122](https://tools.ietf.org/html/rfc1122) (section 4.2.2.13) for more information.
+     *
+     * If `pauseOnConnect` is set to `true`, then the socket associated with each
+     * incoming connection will be paused, and no data will be read from its handle.
+     * This allows connections to be passed between processes without any data being
+     * read by the original process. To begin reading data from a paused socket, call `socket.resume()`.
+     *
+     * The server can be a TCP server or an `IPC` server, depending on what it `listen()` to.
+     *
+     * Here is an example of a TCP echo server which listens for connections
+     * on port 8124:
+     *
+     * ```js
+     * const net = require('net');
+     * const server = net.createServer((c) => {
+     *   // 'connection' listener.
+     *   console.log('client connected');
+     *   c.on('end', () => {
+     *     console.log('client disconnected');
+     *   });
+     *   c.write('hello\r\n');
+     *   c.pipe(c);
+     * });
+     * server.on('error', (err) => {
+     *   throw err;
+     * });
+     * server.listen(8124, () => {
+     *   console.log('server bound');
+     * });
+     * ```
+     *
+     * Test this by using `telnet`:
+     *
+     * ```console
+     * $ telnet localhost 8124
+     * ```
+     *
+     * To listen on the socket `/tmp/echo.sock`:
+     *
+     * ```js
+     * server.listen('/tmp/echo.sock', () => {
+     *   console.log('server bound');
+     * });
+     * ```
+     *
+     * Use `nc` to connect to a Unix domain socket server:
+     *
+     * ```console
+     * $ nc -U /tmp/echo.sock
+     * ```
+     * @since v0.5.0
+     * @param connectionListener Automatically set as a listener for the {@link 'connection'} event.
+     */
+    function createServer(connectionListener?: (socket: Socket) => void): Server;
+    function createServer(options?: ServerOpts, connectionListener?: (socket: Socket) => void): Server;
+    /**
+     * Aliases to {@link createConnection}.
+     *
+     * Possible signatures:
+     *
+     * * {@link connect}
+     * * {@link connect} for `IPC` connections.
+     * * {@link connect} for TCP connections.
+     */
+    function connect(options: NetConnectOpts, connectionListener?: () => void): Socket;
+    function connect(port: number, host?: string, connectionListener?: () => void): Socket;
+    function connect(path: string, connectionListener?: () => void): Socket;
+    /**
+     * A factory function, which creates a new {@link Socket},
+     * immediately initiates connection with `socket.connect()`,
+     * then returns the `net.Socket` that starts the connection.
+     *
+     * When the connection is established, a `'connect'` event will be emitted
+     * on the returned socket. The last parameter `connectListener`, if supplied,
+     * will be added as a listener for the `'connect'` event **once**.
+     *
+     * Possible signatures:
+     *
+     * * {@link createConnection}
+     * * {@link createConnection} for `IPC` connections.
+     * * {@link createConnection} for TCP connections.
+     *
+     * The {@link connect} function is an alias to this function.
+     */
+    function createConnection(options: NetConnectOpts, connectionListener?: () => void): Socket;
+    function createConnection(port: number, host?: string, connectionListener?: () => void): Socket;
+    function createConnection(path: string, connectionListener?: () => void): Socket;
+    /**
+     * Returns `6` if `input` is an IPv6 address. Returns `4` if `input` is an IPv4
+     * address in [dot-decimal notation](https://en.wikipedia.org/wiki/Dot-decimal_notation) with no leading zeroes. Otherwise, returns`0`.
+     *
+     * ```js
+     * net.isIP('::1'); // returns 6
+     * net.isIP('127.0.0.1'); // returns 4
+     * net.isIP('127.000.000.001'); // returns 0
+     * net.isIP('127.0.0.1/24'); // returns 0
+     * net.isIP('fhqwhgads'); // returns 0
+     * ```
+     * @since v0.3.0
+     */
+    function isIP(input: string): number;
+    /**
+     * Returns `true` if `input` is an IPv4 address in [dot-decimal notation](https://en.wikipedia.org/wiki/Dot-decimal_notation) with no
+     * leading zeroes. Otherwise, returns `false`.
+     *
+     * ```js
+     * net.isIPv4('127.0.0.1'); // returns true
+     * net.isIPv4('127.000.000.001'); // returns false
+     * net.isIPv4('127.0.0.1/24'); // returns false
+     * net.isIPv4('fhqwhgads'); // returns false
+     * ```
+     * @since v0.3.0
+     */
+    function isIPv4(input: string): boolean;
+    /**
+     * Returns `true` if `input` is an IPv6 address. Otherwise, returns `false`.
+     *
+     * ```js
+     * net.isIPv6('::1'); // returns true
+     * net.isIPv6('fhqwhgads'); // returns false
+     * ```
+     * @since v0.3.0
+     */
+    function isIPv6(input: string): boolean;
+    interface SocketAddressInitOptions {
+        /**
+         * The network address as either an IPv4 or IPv6 string.
+         * @default 127.0.0.1
+         */
+        address?: string | undefined;
+        /**
+         * @default `'ipv4'`
+         */
+        family?: IPVersion | undefined;
+        /**
+         * An IPv6 flow-label used only if `family` is `'ipv6'`.
+         * @default 0
+         */
+        flowlabel?: number | undefined;
+        /**
+         * An IP port.
+         * @default 0
+         */
+        port?: number | undefined;
+    }
+    /**
+     * @since v15.14.0, v14.18.0
+     */
+    class SocketAddress {
+        constructor(options: SocketAddressInitOptions);
+        /**
+         * Either \`'ipv4'\` or \`'ipv6'\`.
+         * @since v15.14.0, v14.18.0
+         */
+        readonly address: string;
+        /**
+         * Either \`'ipv4'\` or \`'ipv6'\`.
+         * @since v15.14.0, v14.18.0
+         */
+        readonly family: IPVersion;
+        /**
+         * @since v15.14.0, v14.18.0
+         */
+        readonly port: number;
+        /**
+         * @since v15.14.0, v14.18.0
+         */
+        readonly flowlabel: number;
+    }
+}
+declare module 'node:net' {
+    export * from 'net';
+}
diff --git a/node_modules/@types/node/ts4.8/os.d.ts b/node_modules/@types/node/ts4.8/os.d.ts
new file mode 100644
index 000000000..100c8fcb1
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/os.d.ts
@@ -0,0 +1,465 @@
+/**
+ * The `os` module provides operating system-related utility methods and
+ * properties. It can be accessed using:
+ *
+ * ```js
+ * const os = require('os');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/os.js)
+ */
+declare module 'os' {
+    interface CpuInfo {
+        model: string;
+        speed: number;
+        times: {
+            user: number;
+            nice: number;
+            sys: number;
+            idle: number;
+            irq: number;
+        };
+    }
+    interface NetworkInterfaceBase {
+        address: string;
+        netmask: string;
+        mac: string;
+        internal: boolean;
+        cidr: string | null;
+    }
+    interface NetworkInterfaceInfoIPv4 extends NetworkInterfaceBase {
+        family: 'IPv4';
+    }
+    interface NetworkInterfaceInfoIPv6 extends NetworkInterfaceBase {
+        family: 'IPv6';
+        scopeid: number;
+    }
+    interface UserInfo<T> {
+        username: T;
+        uid: number;
+        gid: number;
+        shell: T;
+        homedir: T;
+    }
+    type NetworkInterfaceInfo = NetworkInterfaceInfoIPv4 | NetworkInterfaceInfoIPv6;
+    /**
+     * Returns the host name of the operating system as a string.
+     * @since v0.3.3
+     */
+    function hostname(): string;
+    /**
+     * Returns an array containing the 1, 5, and 15 minute load averages.
+     *
+     * The load average is a measure of system activity calculated by the operating
+     * system and expressed as a fractional number.
+     *
+     * The load average is a Unix-specific concept. On Windows, the return value is
+     * always `[0, 0, 0]`.
+     * @since v0.3.3
+     */
+    function loadavg(): number[];
+    /**
+     * Returns the system uptime in number of seconds.
+     * @since v0.3.3
+     */
+    function uptime(): number;
+    /**
+     * Returns the amount of free system memory in bytes as an integer.
+     * @since v0.3.3
+     */
+    function freemem(): number;
+    /**
+     * Returns the total amount of system memory in bytes as an integer.
+     * @since v0.3.3
+     */
+    function totalmem(): number;
+    /**
+     * Returns an array of objects containing information about each logical CPU core.
+     *
+     * The properties included on each object include:
+     *
+     * ```js
+     * [
+     *   {
+     *     model: 'Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz',
+     *     speed: 2926,
+     *     times: {
+     *       user: 252020,
+     *       nice: 0,
+     *       sys: 30340,
+     *       idle: 1070356870,
+     *       irq: 0
+     *     }
+     *   },
+     *   {
+     *     model: 'Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz',
+     *     speed: 2926,
+     *     times: {
+     *       user: 306960,
+     *       nice: 0,
+     *       sys: 26980,
+     *       idle: 1071569080,
+     *       irq: 0
+     *     }
+     *   },
+     *   {
+     *     model: 'Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz',
+     *     speed: 2926,
+     *     times: {
+     *       user: 248450,
+     *       nice: 0,
+     *       sys: 21750,
+     *       idle: 1070919370,
+     *       irq: 0
+     *     }
+     *   },
+     *   {
+     *     model: 'Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz',
+     *     speed: 2926,
+     *     times: {
+     *       user: 256880,
+     *       nice: 0,
+     *       sys: 19430,
+     *       idle: 1070905480,
+     *       irq: 20
+     *     }
+     *   },
+     * ]
+     * ```
+     *
+     * `nice` values are POSIX-only. On Windows, the `nice` values of all processors
+     * are always 0.
+     * @since v0.3.3
+     */
+    function cpus(): CpuInfo[];
+    /**
+     * Returns the operating system name as returned by [`uname(3)`](https://linux.die.net/man/3/uname). For example, it
+     * returns `'Linux'` on Linux, `'Darwin'` on macOS, and `'Windows_NT'` on Windows.
+     *
+     * See [https://en.wikipedia.org/wiki/Uname#Examples](https://en.wikipedia.org/wiki/Uname#Examples) for additional information
+     * about the output of running [`uname(3)`](https://linux.die.net/man/3/uname) on various operating systems.
+     * @since v0.3.3
+     */
+    function type(): string;
+    /**
+     * Returns the operating system as a string.
+     *
+     * On POSIX systems, the operating system release is determined by calling [`uname(3)`](https://linux.die.net/man/3/uname). On Windows, `GetVersionExW()` is used. See
+     * [https://en.wikipedia.org/wiki/Uname#Examples](https://en.wikipedia.org/wiki/Uname#Examples) for more information.
+     * @since v0.3.3
+     */
+    function release(): string;
+    /**
+     * Returns an object containing network interfaces that have been assigned a
+     * network address.
+     *
+     * Each key on the returned object identifies a network interface. The associated
+     * value is an array of objects that each describe an assigned network address.
+     *
+     * The properties available on the assigned network address object include:
+     *
+     * ```js
+     * {
+     *   lo: [
+     *     {
+     *       address: '127.0.0.1',
+     *       netmask: '255.0.0.0',
+     *       family: 'IPv4',
+     *       mac: '00:00:00:00:00:00',
+     *       internal: true,
+     *       cidr: '127.0.0.1/8'
+     *     },
+     *     {
+     *       address: '::1',
+     *       netmask: 'ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff',
+     *       family: 'IPv6',
+     *       mac: '00:00:00:00:00:00',
+     *       scopeid: 0,
+     *       internal: true,
+     *       cidr: '::1/128'
+     *     }
+     *   ],
+     *   eth0: [
+     *     {
+     *       address: '192.168.1.108',
+     *       netmask: '255.255.255.0',
+     *       family: 'IPv4',
+     *       mac: '01:02:03:0a:0b:0c',
+     *       internal: false,
+     *       cidr: '192.168.1.108/24'
+     *     },
+     *     {
+     *       address: 'fe80::a00:27ff:fe4e:66a1',
+     *       netmask: 'ffff:ffff:ffff:ffff::',
+     *       family: 'IPv6',
+     *       mac: '01:02:03:0a:0b:0c',
+     *       scopeid: 1,
+     *       internal: false,
+     *       cidr: 'fe80::a00:27ff:fe4e:66a1/64'
+     *     }
+     *   ]
+     * }
+     * ```
+     * @since v0.6.0
+     */
+    function networkInterfaces(): NodeJS.Dict<NetworkInterfaceInfo[]>;
+    /**
+     * Returns the string path of the current user's home directory.
+     *
+     * On POSIX, it uses the `$HOME` environment variable if defined. Otherwise it
+     * uses the [effective UID](https://en.wikipedia.org/wiki/User_identifier#Effective_user_ID) to look up the user's home directory.
+     *
+     * On Windows, it uses the `USERPROFILE` environment variable if defined.
+     * Otherwise it uses the path to the profile directory of the current user.
+     * @since v2.3.0
+     */
+    function homedir(): string;
+    /**
+     * Returns information about the currently effective user. On POSIX platforms,
+     * this is typically a subset of the password file. The returned object includes
+     * the `username`, `uid`, `gid`, `shell`, and `homedir`. On Windows, the `uid` and`gid` fields are `-1`, and `shell` is `null`.
+     *
+     * The value of `homedir` returned by `os.userInfo()` is provided by the operating
+     * system. This differs from the result of `os.homedir()`, which queries
+     * environment variables for the home directory before falling back to the
+     * operating system response.
+     *
+     * Throws a `SystemError` if a user has no `username` or `homedir`.
+     * @since v6.0.0
+     */
+    function userInfo(options: { encoding: 'buffer' }): UserInfo<Buffer>;
+    function userInfo(options?: { encoding: BufferEncoding }): UserInfo<string>;
+    type SignalConstants = {
+        [key in NodeJS.Signals]: number;
+    };
+    namespace constants {
+        const UV_UDP_REUSEADDR: number;
+        namespace signals {}
+        const signals: SignalConstants;
+        namespace errno {
+            const E2BIG: number;
+            const EACCES: number;
+            const EADDRINUSE: number;
+            const EADDRNOTAVAIL: number;
+            const EAFNOSUPPORT: number;
+            const EAGAIN: number;
+            const EALREADY: number;
+            const EBADF: number;
+            const EBADMSG: number;
+            const EBUSY: number;
+            const ECANCELED: number;
+            const ECHILD: number;
+            const ECONNABORTED: number;
+            const ECONNREFUSED: number;
+            const ECONNRESET: number;
+            const EDEADLK: number;
+            const EDESTADDRREQ: number;
+            const EDOM: number;
+            const EDQUOT: number;
+            const EEXIST: number;
+            const EFAULT: number;
+            const EFBIG: number;
+            const EHOSTUNREACH: number;
+            const EIDRM: number;
+            const EILSEQ: number;
+            const EINPROGRESS: number;
+            const EINTR: number;
+            const EINVAL: number;
+            const EIO: number;
+            const EISCONN: number;
+            const EISDIR: number;
+            const ELOOP: number;
+            const EMFILE: number;
+            const EMLINK: number;
+            const EMSGSIZE: number;
+            const EMULTIHOP: number;
+            const ENAMETOOLONG: number;
+            const ENETDOWN: number;
+            const ENETRESET: number;
+            const ENETUNREACH: number;
+            const ENFILE: number;
+            const ENOBUFS: number;
+            const ENODATA: number;
+            const ENODEV: number;
+            const ENOENT: number;
+            const ENOEXEC: number;
+            const ENOLCK: number;
+            const ENOLINK: number;
+            const ENOMEM: number;
+            const ENOMSG: number;
+            const ENOPROTOOPT: number;
+            const ENOSPC: number;
+            const ENOSR: number;
+            const ENOSTR: number;
+            const ENOSYS: number;
+            const ENOTCONN: number;
+            const ENOTDIR: number;
+            const ENOTEMPTY: number;
+            const ENOTSOCK: number;
+            const ENOTSUP: number;
+            const ENOTTY: number;
+            const ENXIO: number;
+            const EOPNOTSUPP: number;
+            const EOVERFLOW: number;
+            const EPERM: number;
+            const EPIPE: number;
+            const EPROTO: number;
+            const EPROTONOSUPPORT: number;
+            const EPROTOTYPE: number;
+            const ERANGE: number;
+            const EROFS: number;
+            const ESPIPE: number;
+            const ESRCH: number;
+            const ESTALE: number;
+            const ETIME: number;
+            const ETIMEDOUT: number;
+            const ETXTBSY: number;
+            const EWOULDBLOCK: number;
+            const EXDEV: number;
+            const WSAEINTR: number;
+            const WSAEBADF: number;
+            const WSAEACCES: number;
+            const WSAEFAULT: number;
+            const WSAEINVAL: number;
+            const WSAEMFILE: number;
+            const WSAEWOULDBLOCK: number;
+            const WSAEINPROGRESS: number;
+            const WSAEALREADY: number;
+            const WSAENOTSOCK: number;
+            const WSAEDESTADDRREQ: number;
+            const WSAEMSGSIZE: number;
+            const WSAEPROTOTYPE: number;
+            const WSAENOPROTOOPT: number;
+            const WSAEPROTONOSUPPORT: number;
+            const WSAESOCKTNOSUPPORT: number;
+            const WSAEOPNOTSUPP: number;
+            const WSAEPFNOSUPPORT: number;
+            const WSAEAFNOSUPPORT: number;
+            const WSAEADDRINUSE: number;
+            const WSAEADDRNOTAVAIL: number;
+            const WSAENETDOWN: number;
+            const WSAENETUNREACH: number;
+            const WSAENETRESET: number;
+            const WSAECONNABORTED: number;
+            const WSAECONNRESET: number;
+            const WSAENOBUFS: number;
+            const WSAEISCONN: number;
+            const WSAENOTCONN: number;
+            const WSAESHUTDOWN: number;
+            const WSAETOOMANYREFS: number;
+            const WSAETIMEDOUT: number;
+            const WSAECONNREFUSED: number;
+            const WSAELOOP: number;
+            const WSAENAMETOOLONG: number;
+            const WSAEHOSTDOWN: number;
+            const WSAEHOSTUNREACH: number;
+            const WSAENOTEMPTY: number;
+            const WSAEPROCLIM: number;
+            const WSAEUSERS: number;
+            const WSAEDQUOT: number;
+            const WSAESTALE: number;
+            const WSAEREMOTE: number;
+            const WSASYSNOTREADY: number;
+            const WSAVERNOTSUPPORTED: number;
+            const WSANOTINITIALISED: number;
+            const WSAEDISCON: number;
+            const WSAENOMORE: number;
+            const WSAECANCELLED: number;
+            const WSAEINVALIDPROCTABLE: number;
+            const WSAEINVALIDPROVIDER: number;
+            const WSAEPROVIDERFAILEDINIT: number;
+            const WSASYSCALLFAILURE: number;
+            const WSASERVICE_NOT_FOUND: number;
+            const WSATYPE_NOT_FOUND: number;
+            const WSA_E_NO_MORE: number;
+            const WSA_E_CANCELLED: number;
+            const WSAEREFUSED: number;
+        }
+        namespace priority {
+            const PRIORITY_LOW: number;
+            const PRIORITY_BELOW_NORMAL: number;
+            const PRIORITY_NORMAL: number;
+            const PRIORITY_ABOVE_NORMAL: number;
+            const PRIORITY_HIGH: number;
+            const PRIORITY_HIGHEST: number;
+        }
+    }
+    const devNull: string;
+    const EOL: string;
+    /**
+     * Returns the operating system CPU architecture for which the Node.js binary was
+     * compiled. Possible values are `'arm'`, `'arm64'`, `'ia32'`, `'mips'`,`'mipsel'`, `'ppc'`, `'ppc64'`, `'s390'`, `'s390x'`, and `'x64'`.
+     *
+     * The return value is equivalent to `process.arch`.
+     * @since v0.5.0
+     */
+    function arch(): string;
+    /**
+     * Returns a string identifying the kernel version.
+     *
+     * On POSIX systems, the operating system release is determined by calling [`uname(3)`](https://linux.die.net/man/3/uname). On Windows, `RtlGetVersion()` is used, and if it is not
+     * available, `GetVersionExW()` will be used. See [https://en.wikipedia.org/wiki/Uname#Examples](https://en.wikipedia.org/wiki/Uname#Examples) for more information.
+     * @since v13.11.0, v12.17.0
+     */
+    function version(): string;
+    /**
+     * Returns a string identifying the operating system platform for which
+     * the Node.js binary was compiled. The value is set at compile time.
+     * Possible values are `'aix'`, `'darwin'`, `'freebsd'`,`'linux'`,`'openbsd'`, `'sunos'`, and `'win32'`.
+     *
+     * The return value is equivalent to `process.platform`.
+     *
+     * The value `'android'` may also be returned if Node.js is built on the Android
+     * operating system. [Android support is experimental](https://github.com/nodejs/node/blob/HEAD/BUILDING.md#androidandroid-based-devices-eg-firefox-os).
+     * @since v0.5.0
+     */
+    function platform(): NodeJS.Platform;
+    /**
+     * Returns the machine type as a string, such as arm, aarch64, mips, mips64, ppc64, ppc64le, s390, s390x, i386, i686, x86_64.
+     *
+     * On POSIX systems, the machine type is determined by calling [`uname(3)`](https://linux.die.net/man/3/uname).
+     * On Windows, `RtlGetVersion()` is used, and if it is not available, `GetVersionExW()` will be used.
+     * See [https://en.wikipedia.org/wiki/Uname#Examples](https://en.wikipedia.org/wiki/Uname#Examples) for more information.
+     * @since v18.9.0
+     */
+    function machine(): string;
+    /**
+     * Returns the operating system's default directory for temporary files as a
+     * string.
+     * @since v0.9.9
+     */
+    function tmpdir(): string;
+    /**
+     * Returns a string identifying the endianness of the CPU for which the Node.js
+     * binary was compiled.
+     *
+     * Possible values are `'BE'` for big endian and `'LE'` for little endian.
+     * @since v0.9.4
+     */
+    function endianness(): 'BE' | 'LE';
+    /**
+     * Returns the scheduling priority for the process specified by `pid`. If `pid` is
+     * not provided or is `0`, the priority of the current process is returned.
+     * @since v10.10.0
+     * @param [pid=0] The process ID to retrieve scheduling priority for.
+     */
+    function getPriority(pid?: number): number;
+    /**
+     * Attempts to set the scheduling priority for the process specified by `pid`. If`pid` is not provided or is `0`, the process ID of the current process is used.
+     *
+     * The `priority` input must be an integer between `-20` (high priority) and `19`(low priority). Due to differences between Unix priority levels and Windows
+     * priority classes, `priority` is mapped to one of six priority constants in`os.constants.priority`. When retrieving a process priority level, this range
+     * mapping may cause the return value to be slightly different on Windows. To avoid
+     * confusion, set `priority` to one of the priority constants.
+     *
+     * On Windows, setting priority to `PRIORITY_HIGHEST` requires elevated user
+     * privileges. Otherwise the set priority will be silently reduced to`PRIORITY_HIGH`.
+     * @since v10.10.0
+     * @param [pid=0] The process ID to set scheduling priority for.
+     * @param priority The scheduling priority to assign to the process.
+     */
+    function setPriority(priority: number): void;
+    function setPriority(pid: number, priority: number): void;
+}
+declare module 'node:os' {
+    export * from 'os';
+}
diff --git a/node_modules/@types/node/ts4.8/path.d.ts b/node_modules/@types/node/ts4.8/path.d.ts
new file mode 100644
index 000000000..2d643b29b
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/path.d.ts
@@ -0,0 +1,191 @@
+declare module 'path/posix' {
+    import path = require('path');
+    export = path;
+}
+declare module 'path/win32' {
+    import path = require('path');
+    export = path;
+}
+/**
+ * The `path` module provides utilities for working with file and directory paths.
+ * It can be accessed using:
+ *
+ * ```js
+ * const path = require('path');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/path.js)
+ */
+declare module 'path' {
+    namespace path {
+        /**
+         * A parsed path object generated by path.parse() or consumed by path.format().
+         */
+        interface ParsedPath {
+            /**
+             * The root of the path such as '/' or 'c:\'
+             */
+            root: string;
+            /**
+             * The full directory path such as '/home/user/dir' or 'c:\path\dir'
+             */
+            dir: string;
+            /**
+             * The file name including extension (if any) such as 'index.html'
+             */
+            base: string;
+            /**
+             * The file extension (if any) such as '.html'
+             */
+            ext: string;
+            /**
+             * The file name without extension (if any) such as 'index'
+             */
+            name: string;
+        }
+        interface FormatInputPathObject {
+            /**
+             * The root of the path such as '/' or 'c:\'
+             */
+            root?: string | undefined;
+            /**
+             * The full directory path such as '/home/user/dir' or 'c:\path\dir'
+             */
+            dir?: string | undefined;
+            /**
+             * The file name including extension (if any) such as 'index.html'
+             */
+            base?: string | undefined;
+            /**
+             * The file extension (if any) such as '.html'
+             */
+            ext?: string | undefined;
+            /**
+             * The file name without extension (if any) such as 'index'
+             */
+            name?: string | undefined;
+        }
+        interface PlatformPath {
+            /**
+             * Normalize a string path, reducing '..' and '.' parts.
+             * When multiple slashes are found, they're replaced by a single one; when the path contains a trailing slash, it is preserved. On Windows backslashes are used.
+             *
+             * @param path string path to normalize.
+             * @throws {TypeError} if `path` is not a string.
+             */
+            normalize(path: string): string;
+            /**
+             * Join all arguments together and normalize the resulting path.
+             *
+             * @param paths paths to join.
+             * @throws {TypeError} if any of the path segments is not a string.
+             */
+            join(...paths: string[]): string;
+            /**
+             * The right-most parameter is considered {to}. Other parameters are considered an array of {from}.
+             *
+             * Starting from leftmost {from} parameter, resolves {to} to an absolute path.
+             *
+             * If {to} isn't already absolute, {from} arguments are prepended in right to left order,
+             * until an absolute path is found. If after using all {from} paths still no absolute path is found,
+             * the current working directory is used as well. The resulting path is normalized,
+             * and trailing slashes are removed unless the path gets resolved to the root directory.
+             *
+             * @param paths A sequence of paths or path segments.
+             * @throws {TypeError} if any of the arguments is not a string.
+             */
+            resolve(...paths: string[]): string;
+            /**
+             * Determines whether {path} is an absolute path. An absolute path will always resolve to the same location, regardless of the working directory.
+             *
+             * If the given {path} is a zero-length string, `false` will be returned.
+             *
+             * @param path path to test.
+             * @throws {TypeError} if `path` is not a string.
+             */
+            isAbsolute(path: string): boolean;
+            /**
+             * Solve the relative path from {from} to {to} based on the current working directory.
+             * At times we have two absolute paths, and we need to derive the relative path from one to the other. This is actually the reverse transform of path.resolve.
+             *
+             * @throws {TypeError} if either `from` or `to` is not a string.
+             */
+            relative(from: string, to: string): string;
+            /**
+             * Return the directory name of a path. Similar to the Unix dirname command.
+             *
+             * @param path the path to evaluate.
+             * @throws {TypeError} if `path` is not a string.
+             */
+            dirname(path: string): string;
+            /**
+             * Return the last portion of a path. Similar to the Unix basename command.
+             * Often used to extract the file name from a fully qualified path.
+             *
+             * @param path the path to evaluate.
+             * @param ext optionally, an extension to remove from the result.
+             * @throws {TypeError} if `path` is not a string or if `ext` is given and is not a string.
+             */
+            basename(path: string, ext?: string): string;
+            /**
+             * Return the extension of the path, from the last '.' to end of string in the last portion of the path.
+             * If there is no '.' in the last portion of the path or the first character of it is '.', then it returns an empty string.
+             *
+             * @param path the path to evaluate.
+             * @throws {TypeError} if `path` is not a string.
+             */
+            extname(path: string): string;
+            /**
+             * The platform-specific file separator. '\\' or '/'.
+             */
+            readonly sep: '\\' | '/';
+            /**
+             * The platform-specific file delimiter. ';' or ':'.
+             */
+            readonly delimiter: ';' | ':';
+            /**
+             * Returns an object from a path string - the opposite of format().
+             *
+             * @param path path to evaluate.
+             * @throws {TypeError} if `path` is not a string.
+             */
+            parse(path: string): ParsedPath;
+            /**
+             * Returns a path string from an object - the opposite of parse().
+             *
+             * @param pathObject path to evaluate.
+             */
+            format(pathObject: FormatInputPathObject): string;
+            /**
+             * On Windows systems only, returns an equivalent namespace-prefixed path for the given path.
+             * If path is not a string, path will be returned without modifications.
+             * This method is meaningful only on Windows system.
+             * On POSIX systems, the method is non-operational and always returns path without modifications.
+             */
+            toNamespacedPath(path: string): string;
+            /**
+             * Posix specific pathing.
+             * Same as parent object on posix.
+             */
+            readonly posix: PlatformPath;
+            /**
+             * Windows specific pathing.
+             * Same as parent object on windows
+             */
+            readonly win32: PlatformPath;
+        }
+    }
+    const path: path.PlatformPath;
+    export = path;
+}
+declare module 'node:path' {
+    import path = require('path');
+    export = path;
+}
+declare module 'node:path/posix' {
+    import path = require('path/posix');
+    export = path;
+}
+declare module 'node:path/win32' {
+    import path = require('path/win32');
+    export = path;
+}
diff --git a/node_modules/@types/node/ts4.8/perf_hooks.d.ts b/node_modules/@types/node/ts4.8/perf_hooks.d.ts
new file mode 100644
index 000000000..cf02a16e7
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/perf_hooks.d.ts
@@ -0,0 +1,610 @@
+/**
+ * This module provides an implementation of a subset of the W3C [Web Performance APIs](https://w3c.github.io/perf-timing-primer/) as well as additional APIs for
+ * Node.js-specific performance measurements.
+ *
+ * Node.js supports the following [Web Performance APIs](https://w3c.github.io/perf-timing-primer/):
+ *
+ * * [High Resolution Time](https://www.w3.org/TR/hr-time-2)
+ * * [Performance Timeline](https://w3c.github.io/performance-timeline/)
+ * * [User Timing](https://www.w3.org/TR/user-timing/)
+ *
+ * ```js
+ * const { PerformanceObserver, performance } = require('perf_hooks');
+ *
+ * const obs = new PerformanceObserver((items) => {
+ *   console.log(items.getEntries()[0].duration);
+ *   performance.clearMarks();
+ * });
+ * obs.observe({ type: 'measure' });
+ * performance.measure('Start to Now');
+ *
+ * performance.mark('A');
+ * doSomeLongRunningProcess(() => {
+ *   performance.measure('A to Now', 'A');
+ *
+ *   performance.mark('B');
+ *   performance.measure('A to B', 'A', 'B');
+ * });
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/perf_hooks.js)
+ */
+declare module 'perf_hooks' {
+    import { AsyncResource } from 'node:async_hooks';
+    type EntryType = 'node' | 'mark' | 'measure' | 'gc' | 'function' | 'http2' | 'http';
+    interface NodeGCPerformanceDetail {
+        /**
+         * When `performanceEntry.entryType` is equal to 'gc', `the performance.kind` property identifies
+         * the type of garbage collection operation that occurred.
+         * See perf_hooks.constants for valid values.
+         */
+        readonly kind?: number | undefined;
+        /**
+         * When `performanceEntry.entryType` is equal to 'gc', the `performance.flags`
+         * property contains additional information about garbage collection operation.
+         * See perf_hooks.constants for valid values.
+         */
+        readonly flags?: number | undefined;
+    }
+    /**
+     * @since v8.5.0
+     */
+    class PerformanceEntry {
+        protected constructor();
+        /**
+         * The total number of milliseconds elapsed for this entry. This value will not
+         * be meaningful for all Performance Entry types.
+         * @since v8.5.0
+         */
+        readonly duration: number;
+        /**
+         * The name of the performance entry.
+         * @since v8.5.0
+         */
+        readonly name: string;
+        /**
+         * The high resolution millisecond timestamp marking the starting time of the
+         * Performance Entry.
+         * @since v8.5.0
+         */
+        readonly startTime: number;
+        /**
+         * The type of the performance entry. It may be one of:
+         *
+         * * `'node'` (Node.js only)
+         * * `'mark'` (available on the Web)
+         * * `'measure'` (available on the Web)
+         * * `'gc'` (Node.js only)
+         * * `'function'` (Node.js only)
+         * * `'http2'` (Node.js only)
+         * * `'http'` (Node.js only)
+         * @since v8.5.0
+         */
+        readonly entryType: EntryType;
+        /**
+         * Additional detail specific to the `entryType`.
+         * @since v16.0.0
+         */
+        readonly detail?: NodeGCPerformanceDetail | unknown | undefined; // TODO: Narrow this based on entry type.
+        toJSON(): any;
+    }
+    class PerformanceMark extends PerformanceEntry {
+        readonly duration: 0;
+        readonly entryType: 'mark';
+    }
+    class PerformanceMeasure extends PerformanceEntry {
+        readonly entryType: 'measure';
+    }
+    /**
+     * _This property is an extension by Node.js. It is not available in Web browsers._
+     *
+     * Provides timing details for Node.js itself. The constructor of this class
+     * is not exposed to users.
+     * @since v8.5.0
+     */
+    class PerformanceNodeTiming extends PerformanceEntry {
+        /**
+         * The high resolution millisecond timestamp at which the Node.js process
+         * completed bootstrapping. If bootstrapping has not yet finished, the property
+         * has the value of -1.
+         * @since v8.5.0
+         */
+        readonly bootstrapComplete: number;
+        /**
+         * The high resolution millisecond timestamp at which the Node.js environment was
+         * initialized.
+         * @since v8.5.0
+         */
+        readonly environment: number;
+        /**
+         * The high resolution millisecond timestamp of the amount of time the event loop
+         * has been idle within the event loop's event provider (e.g. `epoll_wait`). This
+         * does not take CPU usage into consideration. If the event loop has not yet
+         * started (e.g., in the first tick of the main script), the property has the
+         * value of 0.
+         * @since v14.10.0, v12.19.0
+         */
+        readonly idleTime: number;
+        /**
+         * The high resolution millisecond timestamp at which the Node.js event loop
+         * exited. If the event loop has not yet exited, the property has the value of -1\.
+         * It can only have a value of not -1 in a handler of the `'exit'` event.
+         * @since v8.5.0
+         */
+        readonly loopExit: number;
+        /**
+         * The high resolution millisecond timestamp at which the Node.js event loop
+         * started. If the event loop has not yet started (e.g., in the first tick of the
+         * main script), the property has the value of -1.
+         * @since v8.5.0
+         */
+        readonly loopStart: number;
+        /**
+         * The high resolution millisecond timestamp at which the V8 platform was
+         * initialized.
+         * @since v8.5.0
+         */
+        readonly v8Start: number;
+    }
+    interface EventLoopUtilization {
+        idle: number;
+        active: number;
+        utilization: number;
+    }
+    /**
+     * @param util1 The result of a previous call to eventLoopUtilization()
+     * @param util2 The result of a previous call to eventLoopUtilization() prior to util1
+     */
+    type EventLoopUtilityFunction = (util1?: EventLoopUtilization, util2?: EventLoopUtilization) => EventLoopUtilization;
+    interface MarkOptions {
+        /**
+         * Additional optional detail to include with the mark.
+         */
+        detail?: unknown | undefined;
+        /**
+         * An optional timestamp to be used as the mark time.
+         * @default `performance.now()`.
+         */
+        startTime?: number | undefined;
+    }
+    interface MeasureOptions {
+        /**
+         * Additional optional detail to include with the mark.
+         */
+        detail?: unknown | undefined;
+        /**
+         * Duration between start and end times.
+         */
+        duration?: number | undefined;
+        /**
+         * Timestamp to be used as the end time, or a string identifying a previously recorded mark.
+         */
+        end?: number | string | undefined;
+        /**
+         * Timestamp to be used as the start time, or a string identifying a previously recorded mark.
+         */
+        start?: number | string | undefined;
+    }
+    interface TimerifyOptions {
+        /**
+         * A histogram object created using
+         * `perf_hooks.createHistogram()` that will record runtime durations in
+         * nanoseconds.
+         */
+        histogram?: RecordableHistogram | undefined;
+    }
+    interface Performance {
+        /**
+         * If name is not provided, removes all PerformanceMark objects from the Performance Timeline.
+         * If name is provided, removes only the named mark.
+         * @param name
+         */
+        clearMarks(name?: string): void;
+        /**
+         * If name is not provided, removes all PerformanceMeasure objects from the Performance Timeline.
+         * If name is provided, removes only the named measure.
+         * @param name
+         * @since v16.7.0
+         */
+        clearMeasures(name?: string): void;
+        /**
+         * Returns a list of `PerformanceEntry` objects in chronological order with respect to `performanceEntry.startTime`.
+         * If you are only interested in performance entries of certain types or that have certain names, see
+         * `performance.getEntriesByType()` and `performance.getEntriesByName()`.
+         * @since v16.7.0
+         */
+        getEntries(): PerformanceEntry[];
+        /**
+         * Returns a list of `PerformanceEntry` objects in chronological order with respect to `performanceEntry.startTime`
+         * whose `performanceEntry.name` is equal to `name`, and optionally, whose `performanceEntry.entryType` is equal to `type`.
+         * @param name
+         * @param type
+         * @since v16.7.0
+         */
+        getEntriesByName(name: string, type?: EntryType): PerformanceEntry[];
+        /**
+         * Returns a list of `PerformanceEntry` objects in chronological order with respect to `performanceEntry.startTime`
+         * whose `performanceEntry.entryType` is equal to `type`.
+         * @param type
+         * @since v16.7.0
+         */
+        getEntriesByType(type: EntryType): PerformanceEntry[];
+        /**
+         * Creates a new PerformanceMark entry in the Performance Timeline.
+         * A PerformanceMark is a subclass of PerformanceEntry whose performanceEntry.entryType is always 'mark',
+         * and whose performanceEntry.duration is always 0.
+         * Performance marks are used to mark specific significant moments in the Performance Timeline.
+         * @param name
+         * @return The PerformanceMark entry that was created
+         */
+        mark(name?: string, options?: MarkOptions): PerformanceMark;
+        /**
+         * Creates a new PerformanceMeasure entry in the Performance Timeline.
+         * A PerformanceMeasure is a subclass of PerformanceEntry whose performanceEntry.entryType is always 'measure',
+         * and whose performanceEntry.duration measures the number of milliseconds elapsed since startMark and endMark.
+         *
+         * The startMark argument may identify any existing PerformanceMark in the the Performance Timeline, or may identify
+         * any of the timestamp properties provided by the PerformanceNodeTiming class. If the named startMark does not exist,
+         * then startMark is set to timeOrigin by default.
+         *
+         * The endMark argument must identify any existing PerformanceMark in the the Performance Timeline or any of the timestamp
+         * properties provided by the PerformanceNodeTiming class. If the named endMark does not exist, an error will be thrown.
+         * @param name
+         * @param startMark
+         * @param endMark
+         * @return The PerformanceMeasure entry that was created
+         */
+        measure(name: string, startMark?: string, endMark?: string): PerformanceMeasure;
+        measure(name: string, options: MeasureOptions): PerformanceMeasure;
+        /**
+         * An instance of the PerformanceNodeTiming class that provides performance metrics for specific Node.js operational milestones.
+         */
+        readonly nodeTiming: PerformanceNodeTiming;
+        /**
+         * @return the current high resolution millisecond timestamp
+         */
+        now(): number;
+        /**
+         * The timeOrigin specifies the high resolution millisecond timestamp from which all performance metric durations are measured.
+         */
+        readonly timeOrigin: number;
+        /**
+         * Wraps a function within a new function that measures the running time of the wrapped function.
+         * A PerformanceObserver must be subscribed to the 'function' event type in order for the timing details to be accessed.
+         * @param fn
+         */
+        timerify<T extends (...params: any[]) => any>(fn: T, options?: TimerifyOptions): T;
+        /**
+         * eventLoopUtilization is similar to CPU utilization except that it is calculated using high precision wall-clock time.
+         * It represents the percentage of time the event loop has spent outside the event loop's event provider (e.g. epoll_wait).
+         * No other CPU idle time is taken into consideration.
+         */
+        eventLoopUtilization: EventLoopUtilityFunction;
+    }
+    interface PerformanceObserverEntryList {
+        /**
+         * Returns a list of `PerformanceEntry` objects in chronological order
+         * with respect to `performanceEntry.startTime`.
+         *
+         * ```js
+         * const {
+         *   performance,
+         *   PerformanceObserver
+         * } = require('perf_hooks');
+         *
+         * const obs = new PerformanceObserver((perfObserverList, observer) => {
+         *   console.log(perfObserverList.getEntries());
+         *
+         *    * [
+         *    *   PerformanceEntry {
+         *    *     name: 'test',
+         *    *     entryType: 'mark',
+         *    *     startTime: 81.465639,
+         *    *     duration: 0
+         *    *   },
+         *    *   PerformanceEntry {
+         *    *     name: 'meow',
+         *    *     entryType: 'mark',
+         *    *     startTime: 81.860064,
+         *    *     duration: 0
+         *    *   }
+         *    * ]
+         *
+         *
+         *   performance.clearMarks();
+         *   performance.clearMeasures();
+         *   observer.disconnect();
+         * });
+         * obs.observe({ type: 'mark' });
+         *
+         * performance.mark('test');
+         * performance.mark('meow');
+         * ```
+         * @since v8.5.0
+         */
+        getEntries(): PerformanceEntry[];
+        /**
+         * Returns a list of `PerformanceEntry` objects in chronological order
+         * with respect to `performanceEntry.startTime` whose `performanceEntry.name` is
+         * equal to `name`, and optionally, whose `performanceEntry.entryType` is equal to`type`.
+         *
+         * ```js
+         * const {
+         *   performance,
+         *   PerformanceObserver
+         * } = require('perf_hooks');
+         *
+         * const obs = new PerformanceObserver((perfObserverList, observer) => {
+         *   console.log(perfObserverList.getEntriesByName('meow'));
+         *
+         *    * [
+         *    *   PerformanceEntry {
+         *    *     name: 'meow',
+         *    *     entryType: 'mark',
+         *    *     startTime: 98.545991,
+         *    *     duration: 0
+         *    *   }
+         *    * ]
+         *
+         *   console.log(perfObserverList.getEntriesByName('nope')); // []
+         *
+         *   console.log(perfObserverList.getEntriesByName('test', 'mark'));
+         *
+         *    * [
+         *    *   PerformanceEntry {
+         *    *     name: 'test',
+         *    *     entryType: 'mark',
+         *    *     startTime: 63.518931,
+         *    *     duration: 0
+         *    *   }
+         *    * ]
+         *
+         *   console.log(perfObserverList.getEntriesByName('test', 'measure')); // []
+         *
+         *   performance.clearMarks();
+         *   performance.clearMeasures();
+         *   observer.disconnect();
+         * });
+         * obs.observe({ entryTypes: ['mark', 'measure'] });
+         *
+         * performance.mark('test');
+         * performance.mark('meow');
+         * ```
+         * @since v8.5.0
+         */
+        getEntriesByName(name: string, type?: EntryType): PerformanceEntry[];
+        /**
+         * Returns a list of `PerformanceEntry` objects in chronological order
+         * with respect to `performanceEntry.startTime` whose `performanceEntry.entryType`is equal to `type`.
+         *
+         * ```js
+         * const {
+         *   performance,
+         *   PerformanceObserver
+         * } = require('perf_hooks');
+         *
+         * const obs = new PerformanceObserver((perfObserverList, observer) => {
+         *   console.log(perfObserverList.getEntriesByType('mark'));
+         *
+         *    * [
+         *    *   PerformanceEntry {
+         *    *     name: 'test',
+         *    *     entryType: 'mark',
+         *    *     startTime: 55.897834,
+         *    *     duration: 0
+         *    *   },
+         *    *   PerformanceEntry {
+         *    *     name: 'meow',
+         *    *     entryType: 'mark',
+         *    *     startTime: 56.350146,
+         *    *     duration: 0
+         *    *   }
+         *    * ]
+         *
+         *   performance.clearMarks();
+         *   performance.clearMeasures();
+         *   observer.disconnect();
+         * });
+         * obs.observe({ type: 'mark' });
+         *
+         * performance.mark('test');
+         * performance.mark('meow');
+         * ```
+         * @since v8.5.0
+         */
+        getEntriesByType(type: EntryType): PerformanceEntry[];
+    }
+    type PerformanceObserverCallback = (list: PerformanceObserverEntryList, observer: PerformanceObserver) => void;
+    class PerformanceObserver extends AsyncResource {
+        constructor(callback: PerformanceObserverCallback);
+        /**
+         * Disconnects the `PerformanceObserver` instance from all notifications.
+         * @since v8.5.0
+         */
+        disconnect(): void;
+        /**
+         * Subscribes the `PerformanceObserver` instance to notifications of new `PerformanceEntry` instances identified either by `options.entryTypes`or `options.type`:
+         *
+         * ```js
+         * const {
+         *   performance,
+         *   PerformanceObserver
+         * } = require('perf_hooks');
+         *
+         * const obs = new PerformanceObserver((list, observer) => {
+         *   // Called once asynchronously. `list` contains three items.
+         * });
+         * obs.observe({ type: 'mark' });
+         *
+         * for (let n = 0; n < 3; n++)
+         *   performance.mark(`test${n}`);
+         * ```
+         * @since v8.5.0
+         */
+        observe(
+            options:
+                | {
+                      entryTypes: ReadonlyArray<EntryType>;
+                      buffered?: boolean | undefined;
+                  }
+                | {
+                      type: EntryType;
+                      buffered?: boolean | undefined;
+                  }
+        ): void;
+    }
+    namespace constants {
+        const NODE_PERFORMANCE_GC_MAJOR: number;
+        const NODE_PERFORMANCE_GC_MINOR: number;
+        const NODE_PERFORMANCE_GC_INCREMENTAL: number;
+        const NODE_PERFORMANCE_GC_WEAKCB: number;
+        const NODE_PERFORMANCE_GC_FLAGS_NO: number;
+        const NODE_PERFORMANCE_GC_FLAGS_CONSTRUCT_RETAINED: number;
+        const NODE_PERFORMANCE_GC_FLAGS_FORCED: number;
+        const NODE_PERFORMANCE_GC_FLAGS_SYNCHRONOUS_PHANTOM_PROCESSING: number;
+        const NODE_PERFORMANCE_GC_FLAGS_ALL_AVAILABLE_GARBAGE: number;
+        const NODE_PERFORMANCE_GC_FLAGS_ALL_EXTERNAL_MEMORY: number;
+        const NODE_PERFORMANCE_GC_FLAGS_SCHEDULE_IDLE: number;
+    }
+    const performance: Performance;
+    interface EventLoopMonitorOptions {
+        /**
+         * The sampling rate in milliseconds.
+         * Must be greater than zero.
+         * @default 10
+         */
+        resolution?: number | undefined;
+    }
+    interface Histogram {
+        /**
+         * Returns a `Map` object detailing the accumulated percentile distribution.
+         * @since v11.10.0
+         */
+        readonly percentiles: Map<number, number>;
+        /**
+         * The number of times the event loop delay exceeded the maximum 1 hour event
+         * loop delay threshold.
+         * @since v11.10.0
+         */
+        readonly exceeds: number;
+        /**
+         * The minimum recorded event loop delay.
+         * @since v11.10.0
+         */
+        readonly min: number;
+        /**
+         * The maximum recorded event loop delay.
+         * @since v11.10.0
+         */
+        readonly max: number;
+        /**
+         * The mean of the recorded event loop delays.
+         * @since v11.10.0
+         */
+        readonly mean: number;
+        /**
+         * The standard deviation of the recorded event loop delays.
+         * @since v11.10.0
+         */
+        readonly stddev: number;
+        /**
+         * Resets the collected histogram data.
+         * @since v11.10.0
+         */
+        reset(): void;
+        /**
+         * Returns the value at the given percentile.
+         * @since v11.10.0
+         * @param percentile A percentile value in the range (0, 100].
+         */
+        percentile(percentile: number): number;
+    }
+    interface IntervalHistogram extends Histogram {
+        /**
+         * Enables the update interval timer. Returns `true` if the timer was
+         * started, `false` if it was already started.
+         * @since v11.10.0
+         */
+        enable(): boolean;
+        /**
+         * Disables the update interval timer. Returns `true` if the timer was
+         * stopped, `false` if it was already stopped.
+         * @since v11.10.0
+         */
+        disable(): boolean;
+    }
+    interface RecordableHistogram extends Histogram {
+        /**
+         * @since v15.9.0, v14.18.0
+         * @param val The amount to record in the histogram.
+         */
+        record(val: number | bigint): void;
+        /**
+         * Calculates the amount of time (in nanoseconds) that has passed since the
+         * previous call to `recordDelta()` and records that amount in the histogram.
+         *
+         * ## Examples
+         * @since v15.9.0, v14.18.0
+         */
+        recordDelta(): void;
+        /**
+         * Adds the values from other to this histogram.
+         * @since v17.4.0, v16.14.0
+         * @param other Recordable Histogram to combine with
+         */
+         add(other: RecordableHistogram): void;
+    }
+    /**
+     * _This property is an extension by Node.js. It is not available in Web browsers._
+     *
+     * Creates an `IntervalHistogram` object that samples and reports the event loop
+     * delay over time. The delays will be reported in nanoseconds.
+     *
+     * Using a timer to detect approximate event loop delay works because the
+     * execution of timers is tied specifically to the lifecycle of the libuv
+     * event loop. That is, a delay in the loop will cause a delay in the execution
+     * of the timer, and those delays are specifically what this API is intended to
+     * detect.
+     *
+     * ```js
+     * const { monitorEventLoopDelay } = require('perf_hooks');
+     * const h = monitorEventLoopDelay({ resolution: 20 });
+     * h.enable();
+     * // Do something.
+     * h.disable();
+     * console.log(h.min);
+     * console.log(h.max);
+     * console.log(h.mean);
+     * console.log(h.stddev);
+     * console.log(h.percentiles);
+     * console.log(h.percentile(50));
+     * console.log(h.percentile(99));
+     * ```
+     * @since v11.10.0
+     */
+    function monitorEventLoopDelay(options?: EventLoopMonitorOptions): IntervalHistogram;
+    interface CreateHistogramOptions {
+        /**
+         * The minimum recordable value. Must be an integer value greater than 0.
+         * @default 1
+         */
+        min?: number | bigint | undefined;
+        /**
+         * The maximum recordable value. Must be an integer value greater than min.
+         * @default Number.MAX_SAFE_INTEGER
+         */
+        max?: number | bigint | undefined;
+        /**
+         * The number of accuracy digits. Must be a number between 1 and 5.
+         * @default 3
+         */
+        figures?: number | undefined;
+    }
+    /**
+     * Returns a `RecordableHistogram`.
+     * @since v15.9.0, v14.18.0
+     */
+    function createHistogram(options?: CreateHistogramOptions): RecordableHistogram;
+}
+declare module 'node:perf_hooks' {
+    export * from 'perf_hooks';
+}
diff --git a/node_modules/@types/node/ts4.8/process.d.ts b/node_modules/@types/node/ts4.8/process.d.ts
new file mode 100644
index 000000000..12148f911
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/process.d.ts
@@ -0,0 +1,1482 @@
+declare module 'process' {
+    import * as tty from 'node:tty';
+    import { Worker } from 'node:worker_threads';
+    global {
+        var process: NodeJS.Process;
+        namespace NodeJS {
+            // this namespace merge is here because these are specifically used
+            // as the type for process.stdin, process.stdout, and process.stderr.
+            // they can't live in tty.d.ts because we need to disambiguate the imported name.
+            interface ReadStream extends tty.ReadStream {}
+            interface WriteStream extends tty.WriteStream {}
+            interface MemoryUsageFn {
+                /**
+                 * The `process.memoryUsage()` method iterate over each page to gather informations about memory
+                 * usage which can be slow depending on the program memory allocations.
+                 */
+                (): MemoryUsage;
+                /**
+                 * method returns an integer representing the Resident Set Size (RSS) in bytes.
+                 */
+                rss(): number;
+            }
+            interface MemoryUsage {
+                rss: number;
+                heapTotal: number;
+                heapUsed: number;
+                external: number;
+                arrayBuffers: number;
+            }
+            interface CpuUsage {
+                user: number;
+                system: number;
+            }
+            interface ProcessRelease {
+                name: string;
+                sourceUrl?: string | undefined;
+                headersUrl?: string | undefined;
+                libUrl?: string | undefined;
+                lts?: string | undefined;
+            }
+            interface ProcessVersions extends Dict<string> {
+                http_parser: string;
+                node: string;
+                v8: string;
+                ares: string;
+                uv: string;
+                zlib: string;
+                modules: string;
+                openssl: string;
+            }
+            type Platform = 'aix' | 'android' | 'darwin' | 'freebsd' | 'haiku' | 'linux' | 'openbsd' | 'sunos' | 'win32' | 'cygwin' | 'netbsd';
+            type Architecture = 'arm' | 'arm64' | 'ia32' | 'mips' | 'mipsel' | 'ppc' | 'ppc64' | 's390' | 's390x' | 'x64';
+            type Signals =
+                | 'SIGABRT'
+                | 'SIGALRM'
+                | 'SIGBUS'
+                | 'SIGCHLD'
+                | 'SIGCONT'
+                | 'SIGFPE'
+                | 'SIGHUP'
+                | 'SIGILL'
+                | 'SIGINT'
+                | 'SIGIO'
+                | 'SIGIOT'
+                | 'SIGKILL'
+                | 'SIGPIPE'
+                | 'SIGPOLL'
+                | 'SIGPROF'
+                | 'SIGPWR'
+                | 'SIGQUIT'
+                | 'SIGSEGV'
+                | 'SIGSTKFLT'
+                | 'SIGSTOP'
+                | 'SIGSYS'
+                | 'SIGTERM'
+                | 'SIGTRAP'
+                | 'SIGTSTP'
+                | 'SIGTTIN'
+                | 'SIGTTOU'
+                | 'SIGUNUSED'
+                | 'SIGURG'
+                | 'SIGUSR1'
+                | 'SIGUSR2'
+                | 'SIGVTALRM'
+                | 'SIGWINCH'
+                | 'SIGXCPU'
+                | 'SIGXFSZ'
+                | 'SIGBREAK'
+                | 'SIGLOST'
+                | 'SIGINFO';
+            type UncaughtExceptionOrigin = 'uncaughtException' | 'unhandledRejection';
+            type MultipleResolveType = 'resolve' | 'reject';
+            type BeforeExitListener = (code: number) => void;
+            type DisconnectListener = () => void;
+            type ExitListener = (code: number) => void;
+            type RejectionHandledListener = (promise: Promise<unknown>) => void;
+            type UncaughtExceptionListener = (error: Error, origin: UncaughtExceptionOrigin) => void;
+            /**
+             * Most of the time the unhandledRejection will be an Error, but this should not be relied upon
+             * as *anything* can be thrown/rejected, it is therefore unsafe to assume that the value is an Error.
+             */
+            type UnhandledRejectionListener = (reason: unknown, promise: Promise<unknown>) => void;
+            type WarningListener = (warning: Error) => void;
+            type MessageListener = (message: unknown, sendHandle: unknown) => void;
+            type SignalsListener = (signal: Signals) => void;
+            type MultipleResolveListener = (type: MultipleResolveType, promise: Promise<unknown>, value: unknown) => void;
+            type WorkerListener = (worker: Worker) => void;
+            interface Socket extends ReadWriteStream {
+                isTTY?: true | undefined;
+            }
+            // Alias for compatibility
+            interface ProcessEnv extends Dict<string> {
+                /**
+                 * Can be used to change the default timezone at runtime
+                 */
+                TZ?: string;
+            }
+            interface HRTime {
+                (time?: [number, number]): [number, number];
+                bigint(): bigint;
+            }
+            interface ProcessReport {
+                /**
+                 * Directory where the report is written.
+                 * working directory of the Node.js process.
+                 * @default '' indicating that reports are written to the current
+                 */
+                directory: string;
+                /**
+                 * Filename where the report is written.
+                 * The default value is the empty string.
+                 * @default '' the output filename will be comprised of a timestamp,
+                 * PID, and sequence number.
+                 */
+                filename: string;
+                /**
+                 * Returns a JSON-formatted diagnostic report for the running process.
+                 * The report's JavaScript stack trace is taken from err, if present.
+                 */
+                getReport(err?: Error): string;
+                /**
+                 * If true, a diagnostic report is generated on fatal errors,
+                 * such as out of memory errors or failed C++ assertions.
+                 * @default false
+                 */
+                reportOnFatalError: boolean;
+                /**
+                 * If true, a diagnostic report is generated when the process
+                 * receives the signal specified by process.report.signal.
+                 * @default false
+                 */
+                reportOnSignal: boolean;
+                /**
+                 * If true, a diagnostic report is generated on uncaught exception.
+                 * @default false
+                 */
+                reportOnUncaughtException: boolean;
+                /**
+                 * The signal used to trigger the creation of a diagnostic report.
+                 * @default 'SIGUSR2'
+                 */
+                signal: Signals;
+                /**
+                 * Writes a diagnostic report to a file. If filename is not provided, the default filename
+                 * includes the date, time, PID, and a sequence number.
+                 * The report's JavaScript stack trace is taken from err, if present.
+                 *
+                 * @param fileName Name of the file where the report is written.
+                 * This should be a relative path, that will be appended to the directory specified in
+                 * `process.report.directory`, or the current working directory of the Node.js process,
+                 * if unspecified.
+                 * @param error A custom error used for reporting the JavaScript stack.
+                 * @return Filename of the generated report.
+                 */
+                writeReport(fileName?: string): string;
+                writeReport(error?: Error): string;
+                writeReport(fileName?: string, err?: Error): string;
+            }
+            interface ResourceUsage {
+                fsRead: number;
+                fsWrite: number;
+                involuntaryContextSwitches: number;
+                ipcReceived: number;
+                ipcSent: number;
+                majorPageFault: number;
+                maxRSS: number;
+                minorPageFault: number;
+                sharedMemorySize: number;
+                signalsCount: number;
+                swappedOut: number;
+                systemCPUTime: number;
+                unsharedDataSize: number;
+                unsharedStackSize: number;
+                userCPUTime: number;
+                voluntaryContextSwitches: number;
+            }
+            interface EmitWarningOptions {
+                /**
+                 * When `warning` is a `string`, `type` is the name to use for the _type_ of warning being emitted.
+                 *
+                 * @default 'Warning'
+                 */
+                type?: string | undefined;
+                /**
+                 * A unique identifier for the warning instance being emitted.
+                 */
+                code?: string | undefined;
+                /**
+                 * When `warning` is a `string`, `ctor` is an optional function used to limit the generated stack trace.
+                 *
+                 * @default process.emitWarning
+                 */
+                ctor?: Function | undefined;
+                /**
+                 * Additional text to include with the error.
+                 */
+                detail?: string | undefined;
+            }
+            interface ProcessConfig {
+                readonly target_defaults: {
+                    readonly cflags: any[];
+                    readonly default_configuration: string;
+                    readonly defines: string[];
+                    readonly include_dirs: string[];
+                    readonly libraries: string[];
+                };
+                readonly variables: {
+                    readonly clang: number;
+                    readonly host_arch: string;
+                    readonly node_install_npm: boolean;
+                    readonly node_install_waf: boolean;
+                    readonly node_prefix: string;
+                    readonly node_shared_openssl: boolean;
+                    readonly node_shared_v8: boolean;
+                    readonly node_shared_zlib: boolean;
+                    readonly node_use_dtrace: boolean;
+                    readonly node_use_etw: boolean;
+                    readonly node_use_openssl: boolean;
+                    readonly target_arch: string;
+                    readonly v8_no_strict_aliasing: number;
+                    readonly v8_use_snapshot: boolean;
+                    readonly visibility: string;
+                };
+            }
+            interface Process extends EventEmitter {
+                /**
+                 * The `process.stdout` property returns a stream connected to`stdout` (fd `1`). It is a `net.Socket` (which is a `Duplex` stream) unless fd `1` refers to a file, in which case it is
+                 * a `Writable` stream.
+                 *
+                 * For example, to copy `process.stdin` to `process.stdout`:
+                 *
+                 * ```js
+                 * import { stdin, stdout } from 'process';
+                 *
+                 * stdin.pipe(stdout);
+                 * ```
+                 *
+                 * `process.stdout` differs from other Node.js streams in important ways. See `note on process I/O` for more information.
+                 */
+                stdout: WriteStream & {
+                    fd: 1;
+                };
+                /**
+                 * The `process.stderr` property returns a stream connected to`stderr` (fd `2`). It is a `net.Socket` (which is a `Duplex` stream) unless fd `2` refers to a file, in which case it is
+                 * a `Writable` stream.
+                 *
+                 * `process.stderr` differs from other Node.js streams in important ways. See `note on process I/O` for more information.
+                 */
+                stderr: WriteStream & {
+                    fd: 2;
+                };
+                /**
+                 * The `process.stdin` property returns a stream connected to`stdin` (fd `0`). It is a `net.Socket` (which is a `Duplex` stream) unless fd `0` refers to a file, in which case it is
+                 * a `Readable` stream.
+                 *
+                 * For details of how to read from `stdin` see `readable.read()`.
+                 *
+                 * As a `Duplex` stream, `process.stdin` can also be used in "old" mode that
+                 * is compatible with scripts written for Node.js prior to v0.10\.
+                 * For more information see `Stream compatibility`.
+                 *
+                 * In "old" streams mode the `stdin` stream is paused by default, so one
+                 * must call `process.stdin.resume()` to read from it. Note also that calling`process.stdin.resume()` itself would switch stream to "old" mode.
+                 */
+                stdin: ReadStream & {
+                    fd: 0;
+                };
+                openStdin(): Socket;
+                /**
+                 * The `process.argv` property returns an array containing the command-line
+                 * arguments passed when the Node.js process was launched. The first element will
+                 * be {@link execPath}. See `process.argv0` if access to the original value
+                 * of `argv[0]` is needed. The second element will be the path to the JavaScript
+                 * file being executed. The remaining elements will be any additional command-line
+                 * arguments.
+                 *
+                 * For example, assuming the following script for `process-args.js`:
+                 *
+                 * ```js
+                 * import { argv } from 'process';
+                 *
+                 * // print process.argv
+                 * argv.forEach((val, index) => {
+                 *   console.log(`${index}: ${val}`);
+                 * });
+                 * ```
+                 *
+                 * Launching the Node.js process as:
+                 *
+                 * ```console
+                 * $ node process-args.js one two=three four
+                 * ```
+                 *
+                 * Would generate the output:
+                 *
+                 * ```text
+                 * 0: /usr/local/bin/node
+                 * 1: /Users/mjr/work/node/process-args.js
+                 * 2: one
+                 * 3: two=three
+                 * 4: four
+                 * ```
+                 * @since v0.1.27
+                 */
+                argv: string[];
+                /**
+                 * The `process.argv0` property stores a read-only copy of the original value of`argv[0]` passed when Node.js starts.
+                 *
+                 * ```console
+                 * $ bash -c 'exec -a customArgv0 ./node'
+                 * > process.argv[0]
+                 * '/Volumes/code/external/node/out/Release/node'
+                 * > process.argv0
+                 * 'customArgv0'
+                 * ```
+                 * @since v6.4.0
+                 */
+                argv0: string;
+                /**
+                 * The `process.execArgv` property returns the set of Node.js-specific command-line
+                 * options passed when the Node.js process was launched. These options do not
+                 * appear in the array returned by the {@link argv} property, and do not
+                 * include the Node.js executable, the name of the script, or any options following
+                 * the script name. These options are useful in order to spawn child processes with
+                 * the same execution environment as the parent.
+                 *
+                 * ```console
+                 * $ node --harmony script.js --version
+                 * ```
+                 *
+                 * Results in `process.execArgv`:
+                 *
+                 * ```js
+                 * ['--harmony']
+                 * ```
+                 *
+                 * And `process.argv`:
+                 *
+                 * ```js
+                 * ['/usr/local/bin/node', 'script.js', '--version']
+                 * ```
+                 *
+                 * Refer to `Worker constructor` for the detailed behavior of worker
+                 * threads with this property.
+                 * @since v0.7.7
+                 */
+                execArgv: string[];
+                /**
+                 * The `process.execPath` property returns the absolute pathname of the executable
+                 * that started the Node.js process. Symbolic links, if any, are resolved.
+                 *
+                 * ```js
+                 * '/usr/local/bin/node'
+                 * ```
+                 * @since v0.1.100
+                 */
+                execPath: string;
+                /**
+                 * The `process.abort()` method causes the Node.js process to exit immediately and
+                 * generate a core file.
+                 *
+                 * This feature is not available in `Worker` threads.
+                 * @since v0.7.0
+                 */
+                abort(): never;
+                /**
+                 * The `process.chdir()` method changes the current working directory of the
+                 * Node.js process or throws an exception if doing so fails (for instance, if
+                 * the specified `directory` does not exist).
+                 *
+                 * ```js
+                 * import { chdir, cwd } from 'process';
+                 *
+                 * console.log(`Starting directory: ${cwd()}`);
+                 * try {
+                 *   chdir('/tmp');
+                 *   console.log(`New directory: ${cwd()}`);
+                 * } catch (err) {
+                 *   console.error(`chdir: ${err}`);
+                 * }
+                 * ```
+                 *
+                 * This feature is not available in `Worker` threads.
+                 * @since v0.1.17
+                 */
+                chdir(directory: string): void;
+                /**
+                 * The `process.cwd()` method returns the current working directory of the Node.js
+                 * process.
+                 *
+                 * ```js
+                 * import { cwd } from 'process';
+                 *
+                 * console.log(`Current directory: ${cwd()}`);
+                 * ```
+                 * @since v0.1.8
+                 */
+                cwd(): string;
+                /**
+                 * The port used by the Node.js debugger when enabled.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * process.debugPort = 5858;
+                 * ```
+                 * @since v0.7.2
+                 */
+                debugPort: number;
+                /**
+                 * The `process.emitWarning()` method can be used to emit custom or application
+                 * specific process warnings. These can be listened for by adding a handler to the `'warning'` event.
+                 *
+                 * ```js
+                 * import { emitWarning } from 'process';
+                 *
+                 * // Emit a warning with a code and additional detail.
+                 * emitWarning('Something happened!', {
+                 *   code: 'MY_WARNING',
+                 *   detail: 'This is some additional information'
+                 * });
+                 * // Emits:
+                 * // (node:56338) [MY_WARNING] Warning: Something happened!
+                 * // This is some additional information
+                 * ```
+                 *
+                 * In this example, an `Error` object is generated internally by`process.emitWarning()` and passed through to the `'warning'` handler.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * process.on('warning', (warning) => {
+                 *   console.warn(warning.name);    // 'Warning'
+                 *   console.warn(warning.message); // 'Something happened!'
+                 *   console.warn(warning.code);    // 'MY_WARNING'
+                 *   console.warn(warning.stack);   // Stack trace
+                 *   console.warn(warning.detail);  // 'This is some additional information'
+                 * });
+                 * ```
+                 *
+                 * If `warning` is passed as an `Error` object, the `options` argument is ignored.
+                 * @since v8.0.0
+                 * @param warning The warning to emit.
+                 */
+                emitWarning(warning: string | Error, ctor?: Function): void;
+                emitWarning(warning: string | Error, type?: string, ctor?: Function): void;
+                emitWarning(warning: string | Error, type?: string, code?: string, ctor?: Function): void;
+                emitWarning(warning: string | Error, options?: EmitWarningOptions): void;
+                /**
+                 * The `process.env` property returns an object containing the user environment.
+                 * See [`environ(7)`](http://man7.org/linux/man-pages/man7/environ.7.html).
+                 *
+                 * An example of this object looks like:
+                 *
+                 * ```js
+                 * {
+                 *   TERM: 'xterm-256color',
+                 *   SHELL: '/usr/local/bin/bash',
+                 *   USER: 'maciej',
+                 *   PATH: '~/.bin/:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin',
+                 *   PWD: '/Users/maciej',
+                 *   EDITOR: 'vim',
+                 *   SHLVL: '1',
+                 *   HOME: '/Users/maciej',
+                 *   LOGNAME: 'maciej',
+                 *   _: '/usr/local/bin/node'
+                 * }
+                 * ```
+                 *
+                 * It is possible to modify this object, but such modifications will not be
+                 * reflected outside the Node.js process, or (unless explicitly requested)
+                 * to other `Worker` threads.
+                 * In other words, the following example would not work:
+                 *
+                 * ```console
+                 * $ node -e 'process.env.foo = "bar"' &#x26;&#x26; echo $foo
+                 * ```
+                 *
+                 * While the following will:
+                 *
+                 * ```js
+                 * import { env } from 'process';
+                 *
+                 * env.foo = 'bar';
+                 * console.log(env.foo);
+                 * ```
+                 *
+                 * Assigning a property on `process.env` will implicitly convert the value
+                 * to a string. **This behavior is deprecated.** Future versions of Node.js may
+                 * throw an error when the value is not a string, number, or boolean.
+                 *
+                 * ```js
+                 * import { env } from 'process';
+                 *
+                 * env.test = null;
+                 * console.log(env.test);
+                 * // => 'null'
+                 * env.test = undefined;
+                 * console.log(env.test);
+                 * // => 'undefined'
+                 * ```
+                 *
+                 * Use `delete` to delete a property from `process.env`.
+                 *
+                 * ```js
+                 * import { env } from 'process';
+                 *
+                 * env.TEST = 1;
+                 * delete env.TEST;
+                 * console.log(env.TEST);
+                 * // => undefined
+                 * ```
+                 *
+                 * On Windows operating systems, environment variables are case-insensitive.
+                 *
+                 * ```js
+                 * import { env } from 'process';
+                 *
+                 * env.TEST = 1;
+                 * console.log(env.test);
+                 * // => 1
+                 * ```
+                 *
+                 * Unless explicitly specified when creating a `Worker` instance,
+                 * each `Worker` thread has its own copy of `process.env`, based on its
+                 * parent thread’s `process.env`, or whatever was specified as the `env` option
+                 * to the `Worker` constructor. Changes to `process.env` will not be visible
+                 * across `Worker` threads, and only the main thread can make changes that
+                 * are visible to the operating system or to native add-ons.
+                 * @since v0.1.27
+                 */
+                env: ProcessEnv;
+                /**
+                 * The `process.exit()` method instructs Node.js to terminate the process
+                 * synchronously with an exit status of `code`. If `code` is omitted, exit uses
+                 * either the 'success' code `0` or the value of `process.exitCode` if it has been
+                 * set. Node.js will not terminate until all the `'exit'` event listeners are
+                 * called.
+                 *
+                 * To exit with a 'failure' code:
+                 *
+                 * ```js
+                 * import { exit } from 'process';
+                 *
+                 * exit(1);
+                 * ```
+                 *
+                 * The shell that executed Node.js should see the exit code as `1`.
+                 *
+                 * Calling `process.exit()` will force the process to exit as quickly as possible
+                 * even if there are still asynchronous operations pending that have not yet
+                 * completed fully, including I/O operations to `process.stdout` and`process.stderr`.
+                 *
+                 * In most situations, it is not actually necessary to call `process.exit()`explicitly. The Node.js process will exit on its own _if there is no additional_
+                 * _work pending_ in the event loop. The `process.exitCode` property can be set to
+                 * tell the process which exit code to use when the process exits gracefully.
+                 *
+                 * For instance, the following example illustrates a _misuse_ of the`process.exit()` method that could lead to data printed to stdout being
+                 * truncated and lost:
+                 *
+                 * ```js
+                 * import { exit } from 'process';
+                 *
+                 * // This is an example of what *not* to do:
+                 * if (someConditionNotMet()) {
+                 *   printUsageToStdout();
+                 *   exit(1);
+                 * }
+                 * ```
+                 *
+                 * The reason this is problematic is because writes to `process.stdout` in Node.js
+                 * are sometimes _asynchronous_ and may occur over multiple ticks of the Node.js
+                 * event loop. Calling `process.exit()`, however, forces the process to exit _before_ those additional writes to `stdout` can be performed.
+                 *
+                 * Rather than calling `process.exit()` directly, the code _should_ set the`process.exitCode` and allow the process to exit naturally by avoiding
+                 * scheduling any additional work for the event loop:
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * // How to properly set the exit code while letting
+                 * // the process exit gracefully.
+                 * if (someConditionNotMet()) {
+                 *   printUsageToStdout();
+                 *   process.exitCode = 1;
+                 * }
+                 * ```
+                 *
+                 * If it is necessary to terminate the Node.js process due to an error condition,
+                 * throwing an _uncaught_ error and allowing the process to terminate accordingly
+                 * is safer than calling `process.exit()`.
+                 *
+                 * In `Worker` threads, this function stops the current thread rather
+                 * than the current process.
+                 * @since v0.1.13
+                 * @param [code=0] The exit code.
+                 */
+                exit(code?: number): never;
+                /**
+                 * A number which will be the process exit code, when the process either
+                 * exits gracefully, or is exited via {@link exit} without specifying
+                 * a code.
+                 *
+                 * Specifying a code to {@link exit} will override any
+                 * previous setting of `process.exitCode`.
+                 * @since v0.11.8
+                 */
+                exitCode?: number | undefined;
+                /**
+                 * The `process.getgid()` method returns the numerical group identity of the
+                 * process. (See [`getgid(2)`](http://man7.org/linux/man-pages/man2/getgid.2.html).)
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getgid) {
+                 *   console.log(`Current gid: ${process.getgid()}`);
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * @since v0.1.31
+                 */
+                getgid?: () => number;
+                /**
+                 * The `process.setgid()` method sets the group identity of the process. (See [`setgid(2)`](http://man7.org/linux/man-pages/man2/setgid.2.html).) The `id` can be passed as either a
+                 * numeric ID or a group name
+                 * string. If a group name is specified, this method blocks while resolving the
+                 * associated numeric ID.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getgid &#x26;&#x26; process.setgid) {
+                 *   console.log(`Current gid: ${process.getgid()}`);
+                 *   try {
+                 *     process.setgid(501);
+                 *     console.log(`New gid: ${process.getgid()}`);
+                 *   } catch (err) {
+                 *     console.log(`Failed to set gid: ${err}`);
+                 *   }
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * This feature is not available in `Worker` threads.
+                 * @since v0.1.31
+                 * @param id The group name or ID
+                 */
+                setgid?: (id: number | string) => void;
+                /**
+                 * The `process.getuid()` method returns the numeric user identity of the process.
+                 * (See [`getuid(2)`](http://man7.org/linux/man-pages/man2/getuid.2.html).)
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getuid) {
+                 *   console.log(`Current uid: ${process.getuid()}`);
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * @since v0.1.28
+                 */
+                getuid?: () => number;
+                /**
+                 * The `process.setuid(id)` method sets the user identity of the process. (See [`setuid(2)`](http://man7.org/linux/man-pages/man2/setuid.2.html).) The `id` can be passed as either a
+                 * numeric ID or a username string.
+                 * If a username is specified, the method blocks while resolving the associated
+                 * numeric ID.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getuid &#x26;&#x26; process.setuid) {
+                 *   console.log(`Current uid: ${process.getuid()}`);
+                 *   try {
+                 *     process.setuid(501);
+                 *     console.log(`New uid: ${process.getuid()}`);
+                 *   } catch (err) {
+                 *     console.log(`Failed to set uid: ${err}`);
+                 *   }
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * This feature is not available in `Worker` threads.
+                 * @since v0.1.28
+                 */
+                setuid?: (id: number | string) => void;
+                /**
+                 * The `process.geteuid()` method returns the numerical effective user identity of
+                 * the process. (See [`geteuid(2)`](http://man7.org/linux/man-pages/man2/geteuid.2.html).)
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.geteuid) {
+                 *   console.log(`Current uid: ${process.geteuid()}`);
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * @since v2.0.0
+                 */
+                geteuid?: () => number;
+                /**
+                 * The `process.seteuid()` method sets the effective user identity of the process.
+                 * (See [`seteuid(2)`](http://man7.org/linux/man-pages/man2/seteuid.2.html).) The `id` can be passed as either a numeric ID or a username
+                 * string. If a username is specified, the method blocks while resolving the
+                 * associated numeric ID.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.geteuid &#x26;&#x26; process.seteuid) {
+                 *   console.log(`Current uid: ${process.geteuid()}`);
+                 *   try {
+                 *     process.seteuid(501);
+                 *     console.log(`New uid: ${process.geteuid()}`);
+                 *   } catch (err) {
+                 *     console.log(`Failed to set uid: ${err}`);
+                 *   }
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * This feature is not available in `Worker` threads.
+                 * @since v2.0.0
+                 * @param id A user name or ID
+                 */
+                seteuid?: (id: number | string) => void;
+                /**
+                 * The `process.getegid()` method returns the numerical effective group identity
+                 * of the Node.js process. (See [`getegid(2)`](http://man7.org/linux/man-pages/man2/getegid.2.html).)
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getegid) {
+                 *   console.log(`Current gid: ${process.getegid()}`);
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * @since v2.0.0
+                 */
+                getegid?: () => number;
+                /**
+                 * The `process.setegid()` method sets the effective group identity of the process.
+                 * (See [`setegid(2)`](http://man7.org/linux/man-pages/man2/setegid.2.html).) The `id` can be passed as either a numeric ID or a group
+                 * name string. If a group name is specified, this method blocks while resolving
+                 * the associated a numeric ID.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getegid &#x26;&#x26; process.setegid) {
+                 *   console.log(`Current gid: ${process.getegid()}`);
+                 *   try {
+                 *     process.setegid(501);
+                 *     console.log(`New gid: ${process.getegid()}`);
+                 *   } catch (err) {
+                 *     console.log(`Failed to set gid: ${err}`);
+                 *   }
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * This feature is not available in `Worker` threads.
+                 * @since v2.0.0
+                 * @param id A group name or ID
+                 */
+                setegid?: (id: number | string) => void;
+                /**
+                 * The `process.getgroups()` method returns an array with the supplementary group
+                 * IDs. POSIX leaves it unspecified if the effective group ID is included but
+                 * Node.js ensures it always is.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getgroups) {
+                 *   console.log(process.getgroups()); // [ 16, 21, 297 ]
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * @since v0.9.4
+                 */
+                getgroups?: () => number[];
+                /**
+                 * The `process.setgroups()` method sets the supplementary group IDs for the
+                 * Node.js process. This is a privileged operation that requires the Node.js
+                 * process to have `root` or the `CAP_SETGID` capability.
+                 *
+                 * The `groups` array can contain numeric group IDs, group names, or both.
+                 *
+                 * ```js
+                 * import process from 'process';
+                 *
+                 * if (process.getgroups &#x26;&#x26; process.setgroups) {
+                 *   try {
+                 *     process.setgroups([501]);
+                 *     console.log(process.getgroups()); // new groups
+                 *   } catch (err) {
+                 *     console.log(`Failed to set groups: ${err}`);
+                 *   }
+                 * }
+                 * ```
+                 *
+                 * This function is only available on POSIX platforms (i.e. not Windows or
+                 * Android).
+                 * This feature is not available in `Worker` threads.
+                 * @since v0.9.4
+                 */
+                setgroups?: (groups: ReadonlyArray<string | number>) => void;
+                /**
+                 * The `process.setUncaughtExceptionCaptureCallback()` function sets a function
+                 * that will be invoked when an uncaught exception occurs, which will receive the
+                 * exception value itself as its first argument.
+                 *
+                 * If such a function is set, the `'uncaughtException'` event will
+                 * not be emitted. If `--abort-on-uncaught-exception` was passed from the
+                 * command line or set through `v8.setFlagsFromString()`, the process will
+                 * not abort. Actions configured to take place on exceptions such as report
+                 * generations will be affected too
+                 *
+                 * To unset the capture function,`process.setUncaughtExceptionCaptureCallback(null)` may be used. Calling this
+                 * method with a non-`null` argument while another capture function is set will
+                 * throw an error.
+                 *
+                 * Using this function is mutually exclusive with using the deprecated `domain` built-in module.
+                 * @since v9.3.0
+                 */
+                setUncaughtExceptionCaptureCallback(cb: ((err: Error) => void) | null): void;
+                /**
+                 * Indicates whether a callback has been set using {@link setUncaughtExceptionCaptureCallback}.
+                 * @since v9.3.0
+                 */
+                hasUncaughtExceptionCaptureCallback(): boolean;
+                /**
+                 * The `process.version` property contains the Node.js version string.
+                 *
+                 * ```js
+                 * import { version } from 'process';
+                 *
+                 * console.log(`Version: ${version}`);
+                 * // Version: v14.8.0
+                 * ```
+                 *
+                 * To get the version string without the prepended _v_, use`process.versions.node`.
+                 * @since v0.1.3
+                 */
+                readonly version: string;
+                /**
+                 * The `process.versions` property returns an object listing the version strings of
+                 * Node.js and its dependencies. `process.versions.modules` indicates the current
+                 * ABI version, which is increased whenever a C++ API changes. Node.js will refuse
+                 * to load modules that were compiled against a different module ABI version.
+                 *
+                 * ```js
+                 * import { versions } from 'process';
+                 *
+                 * console.log(versions);
+                 * ```
+                 *
+                 * Will generate an object similar to:
+                 *
+                 * ```console
+                 * { node: '11.13.0',
+                 *   v8: '7.0.276.38-node.18',
+                 *   uv: '1.27.0',
+                 *   zlib: '1.2.11',
+                 *   brotli: '1.0.7',
+                 *   ares: '1.15.0',
+                 *   modules: '67',
+                 *   nghttp2: '1.34.0',
+                 *   napi: '4',
+                 *   llhttp: '1.1.1',
+                 *   openssl: '1.1.1b',
+                 *   cldr: '34.0',
+                 *   icu: '63.1',
+                 *   tz: '2018e',
+                 *   unicode: '11.0' }
+                 * ```
+                 * @since v0.2.0
+                 */
+                readonly versions: ProcessVersions;
+                /**
+                 * The `process.config` property returns an `Object` containing the JavaScript
+                 * representation of the configure options used to compile the current Node.js
+                 * executable. This is the same as the `config.gypi` file that was produced when
+                 * running the `./configure` script.
+                 *
+                 * An example of the possible output looks like:
+                 *
+                 * ```js
+                 * {
+                 *   target_defaults:
+                 *    { cflags: [],
+                 *      default_configuration: 'Release',
+                 *      defines: [],
+                 *      include_dirs: [],
+                 *      libraries: [] },
+                 *   variables:
+                 *    {
+                 *      host_arch: 'x64',
+                 *      napi_build_version: 5,
+                 *      node_install_npm: 'true',
+                 *      node_prefix: '',
+                 *      node_shared_cares: 'false',
+                 *      node_shared_http_parser: 'false',
+                 *      node_shared_libuv: 'false',
+                 *      node_shared_zlib: 'false',
+                 *      node_use_dtrace: 'false',
+                 *      node_use_openssl: 'true',
+                 *      node_shared_openssl: 'false',
+                 *      strict_aliasing: 'true',
+                 *      target_arch: 'x64',
+                 *      v8_use_snapshot: 1
+                 *    }
+                 * }
+                 * ```
+                 *
+                 * The `process.config` property is **not** read-only and there are existing
+                 * modules in the ecosystem that are known to extend, modify, or entirely replace
+                 * the value of `process.config`.
+                 *
+                 * Modifying the `process.config` property, or any child-property of the`process.config` object has been deprecated. The `process.config` will be made
+                 * read-only in a future release.
+                 * @since v0.7.7
+                 */
+                readonly config: ProcessConfig;
+                /**
+                 * The `process.kill()` method sends the `signal` to the process identified by`pid`.
+                 *
+                 * Signal names are strings such as `'SIGINT'` or `'SIGHUP'`. See `Signal Events` and [`kill(2)`](http://man7.org/linux/man-pages/man2/kill.2.html) for more information.
+                 *
+                 * This method will throw an error if the target `pid` does not exist. As a special
+                 * case, a signal of `0` can be used to test for the existence of a process.
+                 * Windows platforms will throw an error if the `pid` is used to kill a process
+                 * group.
+                 *
+                 * Even though the name of this function is `process.kill()`, it is really just a
+                 * signal sender, like the `kill` system call. The signal sent may do something
+                 * other than kill the target process.
+                 *
+                 * ```js
+                 * import process, { kill } from 'process';
+                 *
+                 * process.on('SIGHUP', () => {
+                 *   console.log('Got SIGHUP signal.');
+                 * });
+                 *
+                 * setTimeout(() => {
+                 *   console.log('Exiting.');
+                 *   process.exit(0);
+                 * }, 100);
+                 *
+                 * kill(process.pid, 'SIGHUP');
+                 * ```
+                 *
+                 * When `SIGUSR1` is received by a Node.js process, Node.js will start the
+                 * debugger. See `Signal Events`.
+                 * @since v0.0.6
+                 * @param pid A process ID
+                 * @param [signal='SIGTERM'] The signal to send, either as a string or number.
+                 */
+                kill(pid: number, signal?: string | number): true;
+                /**
+                 * The `process.pid` property returns the PID of the process.
+                 *
+                 * ```js
+                 * import { pid } from 'process';
+                 *
+                 * console.log(`This process is pid ${pid}`);
+                 * ```
+                 * @since v0.1.15
+                 */
+                readonly pid: number;
+                /**
+                 * The `process.ppid` property returns the PID of the parent of the
+                 * current process.
+                 *
+                 * ```js
+                 * import { ppid } from 'process';
+                 *
+                 * console.log(`The parent process is pid ${ppid}`);
+                 * ```
+                 * @since v9.2.0, v8.10.0, v6.13.0
+                 */
+                readonly ppid: number;
+                /**
+                 * The `process.title` property returns the current process title (i.e. returns
+                 * the current value of `ps`). Assigning a new value to `process.title` modifies
+                 * the current value of `ps`.
+                 *
+                 * When a new value is assigned, different platforms will impose different maximum
+                 * length restrictions on the title. Usually such restrictions are quite limited.
+                 * For instance, on Linux and macOS, `process.title` is limited to the size of the
+                 * binary name plus the length of the command-line arguments because setting the`process.title` overwrites the `argv` memory of the process. Node.js v0.8
+                 * allowed for longer process title strings by also overwriting the `environ`memory but that was potentially insecure and confusing in some (rather obscure)
+                 * cases.
+                 *
+                 * Assigning a value to `process.title` might not result in an accurate label
+                 * within process manager applications such as macOS Activity Monitor or Windows
+                 * Services Manager.
+                 * @since v0.1.104
+                 */
+                title: string;
+                /**
+                 * The operating system CPU architecture for which the Node.js binary was compiled.
+                 * Possible values are: `'arm'`, `'arm64'`, `'ia32'`, `'mips'`,`'mipsel'`, `'ppc'`,`'ppc64'`, `'s390'`, `'s390x'`, and `'x64'`.
+                 *
+                 * ```js
+                 * import { arch } from 'process';
+                 *
+                 * console.log(`This processor architecture is ${arch}`);
+                 * ```
+                 * @since v0.5.0
+                 */
+                readonly arch: Architecture;
+                /**
+                 * The `process.platform` property returns a string identifying the operating
+                 * system platform for which the Node.js binary was compiled.
+                 *
+                 * Currently possible values are:
+                 *
+                 * * `'aix'`
+                 * * `'darwin'`
+                 * * `'freebsd'`
+                 * * `'linux'`
+                 * * `'openbsd'`
+                 * * `'sunos'`
+                 * * `'win32'`
+                 *
+                 * ```js
+                 * import { platform } from 'process';
+                 *
+                 * console.log(`This platform is ${platform}`);
+                 * ```
+                 *
+                 * The value `'android'` may also be returned if the Node.js is built on the
+                 * Android operating system. However, Android support in Node.js [is experimental](https://github.com/nodejs/node/blob/HEAD/BUILDING.md#androidandroid-based-devices-eg-firefox-os).
+                 * @since v0.1.16
+                 */
+                readonly platform: Platform;
+                /**
+                 * The `process.mainModule` property provides an alternative way of retrieving `require.main`. The difference is that if the main module changes at
+                 * runtime, `require.main` may still refer to the original main module in
+                 * modules that were required before the change occurred. Generally, it's
+                 * safe to assume that the two refer to the same module.
+                 *
+                 * As with `require.main`, `process.mainModule` will be `undefined` if there
+                 * is no entry script.
+                 * @since v0.1.17
+                 * @deprecated Since v14.0.0 - Use `main` instead.
+                 */
+                mainModule?: Module | undefined;
+                memoryUsage: MemoryUsageFn;
+                /**
+                 * The `process.cpuUsage()` method returns the user and system CPU time usage of
+                 * the current process, in an object with properties `user` and `system`, whose
+                 * values are microsecond values (millionth of a second). These values measure time
+                 * spent in user and system code respectively, and may end up being greater than
+                 * actual elapsed time if multiple CPU cores are performing work for this process.
+                 *
+                 * The result of a previous call to `process.cpuUsage()` can be passed as the
+                 * argument to the function, to get a diff reading.
+                 *
+                 * ```js
+                 * import { cpuUsage } from 'process';
+                 *
+                 * const startUsage = cpuUsage();
+                 * // { user: 38579, system: 6986 }
+                 *
+                 * // spin the CPU for 500 milliseconds
+                 * const now = Date.now();
+                 * while (Date.now() - now < 500);
+                 *
+                 * console.log(cpuUsage(startUsage));
+                 * // { user: 514883, system: 11226 }
+                 * ```
+                 * @since v6.1.0
+                 * @param previousValue A previous return value from calling `process.cpuUsage()`
+                 */
+                cpuUsage(previousValue?: CpuUsage): CpuUsage;
+                /**
+                 * `process.nextTick()` adds `callback` to the "next tick queue". This queue is
+                 * fully drained after the current operation on the JavaScript stack runs to
+                 * completion and before the event loop is allowed to continue. It's possible to
+                 * create an infinite loop if one were to recursively call `process.nextTick()`.
+                 * See the [Event Loop](https://nodejs.org/en/docs/guides/event-loop-timers-and-nexttick/#process-nexttick) guide for more background.
+                 *
+                 * ```js
+                 * import { nextTick } from 'process';
+                 *
+                 * console.log('start');
+                 * nextTick(() => {
+                 *   console.log('nextTick callback');
+                 * });
+                 * console.log('scheduled');
+                 * // Output:
+                 * // start
+                 * // scheduled
+                 * // nextTick callback
+                 * ```
+                 *
+                 * This is important when developing APIs in order to give users the opportunity
+                 * to assign event handlers _after_ an object has been constructed but before any
+                 * I/O has occurred:
+                 *
+                 * ```js
+                 * import { nextTick } from 'process';
+                 *
+                 * function MyThing(options) {
+                 *   this.setupOptions(options);
+                 *
+                 *   nextTick(() => {
+                 *     this.startDoingStuff();
+                 *   });
+                 * }
+                 *
+                 * const thing = new MyThing();
+                 * thing.getReadyForStuff();
+                 *
+                 * // thing.startDoingStuff() gets called now, not before.
+                 * ```
+                 *
+                 * It is very important for APIs to be either 100% synchronous or 100%
+                 * asynchronous. Consider this example:
+                 *
+                 * ```js
+                 * // WARNING!  DO NOT USE!  BAD UNSAFE HAZARD!
+                 * function maybeSync(arg, cb) {
+                 *   if (arg) {
+                 *     cb();
+                 *     return;
+                 *   }
+                 *
+                 *   fs.stat('file', cb);
+                 * }
+                 * ```
+                 *
+                 * This API is hazardous because in the following case:
+                 *
+                 * ```js
+                 * const maybeTrue = Math.random() > 0.5;
+                 *
+                 * maybeSync(maybeTrue, () => {
+                 *   foo();
+                 * });
+                 *
+                 * bar();
+                 * ```
+                 *
+                 * It is not clear whether `foo()` or `bar()` will be called first.
+                 *
+                 * The following approach is much better:
+                 *
+                 * ```js
+                 * import { nextTick } from 'process';
+                 *
+                 * function definitelyAsync(arg, cb) {
+                 *   if (arg) {
+                 *     nextTick(cb);
+                 *     return;
+                 *   }
+                 *
+                 *   fs.stat('file', cb);
+                 * }
+                 * ```
+                 * @since v0.1.26
+                 * @param args Additional arguments to pass when invoking the `callback`
+                 */
+                nextTick(callback: Function, ...args: any[]): void;
+                /**
+                 * The `process.release` property returns an `Object` containing metadata related
+                 * to the current release, including URLs for the source tarball and headers-only
+                 * tarball.
+                 *
+                 * `process.release` contains the following properties:
+                 *
+                 * ```js
+                 * {
+                 *   name: 'node',
+                 *   lts: 'Erbium',
+                 *   sourceUrl: 'https://nodejs.org/download/release/v12.18.1/node-v12.18.1.tar.gz',
+                 *   headersUrl: 'https://nodejs.org/download/release/v12.18.1/node-v12.18.1-headers.tar.gz',
+                 *   libUrl: 'https://nodejs.org/download/release/v12.18.1/win-x64/node.lib'
+                 * }
+                 * ```
+                 *
+                 * In custom builds from non-release versions of the source tree, only the`name` property may be present. The additional properties should not be
+                 * relied upon to exist.
+                 * @since v3.0.0
+                 */
+                readonly release: ProcessRelease;
+                features: {
+                    inspector: boolean;
+                    debug: boolean;
+                    uv: boolean;
+                    ipv6: boolean;
+                    tls_alpn: boolean;
+                    tls_sni: boolean;
+                    tls_ocsp: boolean;
+                    tls: boolean;
+                };
+                /**
+                 * `process.umask()` returns the Node.js process's file mode creation mask. Child
+                 * processes inherit the mask from the parent process.
+                 * @since v0.1.19
+                 * @deprecated Calling `process.umask()` with no argument causes the process-wide umask to be written twice. This introduces a race condition between threads, and is a potential   *
+                 * security vulnerability. There is no safe, cross-platform alternative API.
+                 */
+                umask(): number;
+                /**
+                 * Can only be set if not in worker thread.
+                 */
+                umask(mask: string | number): number;
+                /**
+                 * The `process.uptime()` method returns the number of seconds the current Node.js
+                 * process has been running.
+                 *
+                 * The return value includes fractions of a second. Use `Math.floor()` to get whole
+                 * seconds.
+                 * @since v0.5.0
+                 */
+                uptime(): number;
+                hrtime: HRTime;
+                /**
+                 * If Node.js is spawned with an IPC channel, the `process.send()` method can be
+                 * used to send messages to the parent process. Messages will be received as a `'message'` event on the parent's `ChildProcess` object.
+                 *
+                 * If Node.js was not spawned with an IPC channel, `process.send` will be`undefined`.
+                 *
+                 * The message goes through serialization and parsing. The resulting message might
+                 * not be the same as what is originally sent.
+                 * @since v0.5.9
+                 * @param options used to parameterize the sending of certain types of handles.`options` supports the following properties:
+                 */
+                send?(
+                    message: any,
+                    sendHandle?: any,
+                    options?: {
+                        swallowErrors?: boolean | undefined;
+                    },
+                    callback?: (error: Error | null) => void
+                ): boolean;
+                /**
+                 * If the Node.js process is spawned with an IPC channel (see the `Child Process` and `Cluster` documentation), the `process.disconnect()` method will close the
+                 * IPC channel to the parent process, allowing the child process to exit gracefully
+                 * once there are no other connections keeping it alive.
+                 *
+                 * The effect of calling `process.disconnect()` is the same as calling `ChildProcess.disconnect()` from the parent process.
+                 *
+                 * If the Node.js process was not spawned with an IPC channel,`process.disconnect()` will be `undefined`.
+                 * @since v0.7.2
+                 */
+                disconnect(): void;
+                /**
+                 * If the Node.js process is spawned with an IPC channel (see the `Child Process` and `Cluster` documentation), the `process.connected` property will return`true` so long as the IPC
+                 * channel is connected and will return `false` after`process.disconnect()` is called.
+                 *
+                 * Once `process.connected` is `false`, it is no longer possible to send messages
+                 * over the IPC channel using `process.send()`.
+                 * @since v0.7.2
+                 */
+                connected: boolean;
+                /**
+                 * The `process.allowedNodeEnvironmentFlags` property is a special,
+                 * read-only `Set` of flags allowable within the `NODE_OPTIONS` environment variable.
+                 *
+                 * `process.allowedNodeEnvironmentFlags` extends `Set`, but overrides`Set.prototype.has` to recognize several different possible flag
+                 * representations. `process.allowedNodeEnvironmentFlags.has()` will
+                 * return `true` in the following cases:
+                 *
+                 * * Flags may omit leading single (`-`) or double (`--`) dashes; e.g.,`inspect-brk` for `--inspect-brk`, or `r` for `-r`.
+                 * * Flags passed through to V8 (as listed in `--v8-options`) may replace
+                 * one or more _non-leading_ dashes for an underscore, or vice-versa;
+                 * e.g., `--perf_basic_prof`, `--perf-basic-prof`, `--perf_basic-prof`,
+                 * etc.
+                 * * Flags may contain one or more equals (`=`) characters; all
+                 * characters after and including the first equals will be ignored;
+                 * e.g., `--stack-trace-limit=100`.
+                 * * Flags _must_ be allowable within `NODE_OPTIONS`.
+                 *
+                 * When iterating over `process.allowedNodeEnvironmentFlags`, flags will
+                 * appear only _once_; each will begin with one or more dashes. Flags
+                 * passed through to V8 will contain underscores instead of non-leading
+                 * dashes:
+                 *
+                 * ```js
+                 * import { allowedNodeEnvironmentFlags } from 'process';
+                 *
+                 * allowedNodeEnvironmentFlags.forEach((flag) => {
+                 *   // -r
+                 *   // --inspect-brk
+                 *   // --abort_on_uncaught_exception
+                 *   // ...
+                 * });
+                 * ```
+                 *
+                 * The methods `add()`, `clear()`, and `delete()` of`process.allowedNodeEnvironmentFlags` do nothing, and will fail
+                 * silently.
+                 *
+                 * If Node.js was compiled _without_ `NODE_OPTIONS` support (shown in {@link config}), `process.allowedNodeEnvironmentFlags` will
+                 * contain what _would have_ been allowable.
+                 * @since v10.10.0
+                 */
+                allowedNodeEnvironmentFlags: ReadonlySet<string>;
+                /**
+                 * `process.report` is an object whose methods are used to generate diagnostic
+                 * reports for the current process. Additional documentation is available in the `report documentation`.
+                 * @since v11.8.0
+                 */
+                report?: ProcessReport | undefined;
+                /**
+                 * ```js
+                 * import { resourceUsage } from 'process';
+                 *
+                 * console.log(resourceUsage());
+                 * /*
+                 *   Will output:
+                 *   {
+                 *     userCPUTime: 82872,
+                 *     systemCPUTime: 4143,
+                 *     maxRSS: 33164,
+                 *     sharedMemorySize: 0,
+                 *     unsharedDataSize: 0,
+                 *     unsharedStackSize: 0,
+                 *     minorPageFault: 2469,
+                 *     majorPageFault: 0,
+                 *     swappedOut: 0,
+                 *     fsRead: 0,
+                 *     fsWrite: 8,
+                 *     ipcSent: 0,
+                 *     ipcReceived: 0,
+                 *     signalsCount: 0,
+                 *     voluntaryContextSwitches: 79,
+                 *     involuntaryContextSwitches: 1
+                 *   }
+                 *
+                 * ```
+                 * @since v12.6.0
+                 * @return the resource usage for the current process. All of these values come from the `uv_getrusage` call which returns a [`uv_rusage_t` struct][uv_rusage_t].
+                 */
+                resourceUsage(): ResourceUsage;
+                /**
+                 * The `process.traceDeprecation` property indicates whether the`--trace-deprecation` flag is set on the current Node.js process. See the
+                 * documentation for the `'warning' event` and the `emitWarning() method` for more information about this
+                 * flag's behavior.
+                 * @since v0.8.0
+                 */
+                traceDeprecation: boolean;
+                /* EventEmitter */
+                addListener(event: 'beforeExit', listener: BeforeExitListener): this;
+                addListener(event: 'disconnect', listener: DisconnectListener): this;
+                addListener(event: 'exit', listener: ExitListener): this;
+                addListener(event: 'rejectionHandled', listener: RejectionHandledListener): this;
+                addListener(event: 'uncaughtException', listener: UncaughtExceptionListener): this;
+                addListener(event: 'uncaughtExceptionMonitor', listener: UncaughtExceptionListener): this;
+                addListener(event: 'unhandledRejection', listener: UnhandledRejectionListener): this;
+                addListener(event: 'warning', listener: WarningListener): this;
+                addListener(event: 'message', listener: MessageListener): this;
+                addListener(event: Signals, listener: SignalsListener): this;
+                addListener(event: 'multipleResolves', listener: MultipleResolveListener): this;
+                addListener(event: 'worker', listener: WorkerListener): this;
+                emit(event: 'beforeExit', code: number): boolean;
+                emit(event: 'disconnect'): boolean;
+                emit(event: 'exit', code: number): boolean;
+                emit(event: 'rejectionHandled', promise: Promise<unknown>): boolean;
+                emit(event: 'uncaughtException', error: Error): boolean;
+                emit(event: 'uncaughtExceptionMonitor', error: Error): boolean;
+                emit(event: 'unhandledRejection', reason: unknown, promise: Promise<unknown>): boolean;
+                emit(event: 'warning', warning: Error): boolean;
+                emit(event: 'message', message: unknown, sendHandle: unknown): this;
+                emit(event: Signals, signal?: Signals): boolean;
+                emit(event: 'multipleResolves', type: MultipleResolveType, promise: Promise<unknown>, value: unknown): this;
+                emit(event: 'worker', listener: WorkerListener): this;
+                on(event: 'beforeExit', listener: BeforeExitListener): this;
+                on(event: 'disconnect', listener: DisconnectListener): this;
+                on(event: 'exit', listener: ExitListener): this;
+                on(event: 'rejectionHandled', listener: RejectionHandledListener): this;
+                on(event: 'uncaughtException', listener: UncaughtExceptionListener): this;
+                on(event: 'uncaughtExceptionMonitor', listener: UncaughtExceptionListener): this;
+                on(event: 'unhandledRejection', listener: UnhandledRejectionListener): this;
+                on(event: 'warning', listener: WarningListener): this;
+                on(event: 'message', listener: MessageListener): this;
+                on(event: Signals, listener: SignalsListener): this;
+                on(event: 'multipleResolves', listener: MultipleResolveListener): this;
+                on(event: 'worker', listener: WorkerListener): this;
+                on(event: string | symbol, listener: (...args: any[]) => void): this;
+                once(event: 'beforeExit', listener: BeforeExitListener): this;
+                once(event: 'disconnect', listener: DisconnectListener): this;
+                once(event: 'exit', listener: ExitListener): this;
+                once(event: 'rejectionHandled', listener: RejectionHandledListener): this;
+                once(event: 'uncaughtException', listener: UncaughtExceptionListener): this;
+                once(event: 'uncaughtExceptionMonitor', listener: UncaughtExceptionListener): this;
+                once(event: 'unhandledRejection', listener: UnhandledRejectionListener): this;
+                once(event: 'warning', listener: WarningListener): this;
+                once(event: 'message', listener: MessageListener): this;
+                once(event: Signals, listener: SignalsListener): this;
+                once(event: 'multipleResolves', listener: MultipleResolveListener): this;
+                once(event: 'worker', listener: WorkerListener): this;
+                once(event: string | symbol, listener: (...args: any[]) => void): this;
+                prependListener(event: 'beforeExit', listener: BeforeExitListener): this;
+                prependListener(event: 'disconnect', listener: DisconnectListener): this;
+                prependListener(event: 'exit', listener: ExitListener): this;
+                prependListener(event: 'rejectionHandled', listener: RejectionHandledListener): this;
+                prependListener(event: 'uncaughtException', listener: UncaughtExceptionListener): this;
+                prependListener(event: 'uncaughtExceptionMonitor', listener: UncaughtExceptionListener): this;
+                prependListener(event: 'unhandledRejection', listener: UnhandledRejectionListener): this;
+                prependListener(event: 'warning', listener: WarningListener): this;
+                prependListener(event: 'message', listener: MessageListener): this;
+                prependListener(event: Signals, listener: SignalsListener): this;
+                prependListener(event: 'multipleResolves', listener: MultipleResolveListener): this;
+                prependListener(event: 'worker', listener: WorkerListener): this;
+                prependOnceListener(event: 'beforeExit', listener: BeforeExitListener): this;
+                prependOnceListener(event: 'disconnect', listener: DisconnectListener): this;
+                prependOnceListener(event: 'exit', listener: ExitListener): this;
+                prependOnceListener(event: 'rejectionHandled', listener: RejectionHandledListener): this;
+                prependOnceListener(event: 'uncaughtException', listener: UncaughtExceptionListener): this;
+                prependOnceListener(event: 'uncaughtExceptionMonitor', listener: UncaughtExceptionListener): this;
+                prependOnceListener(event: 'unhandledRejection', listener: UnhandledRejectionListener): this;
+                prependOnceListener(event: 'warning', listener: WarningListener): this;
+                prependOnceListener(event: 'message', listener: MessageListener): this;
+                prependOnceListener(event: Signals, listener: SignalsListener): this;
+                prependOnceListener(event: 'multipleResolves', listener: MultipleResolveListener): this;
+                prependOnceListener(event: 'worker', listener: WorkerListener): this;
+                listeners(event: 'beforeExit'): BeforeExitListener[];
+                listeners(event: 'disconnect'): DisconnectListener[];
+                listeners(event: 'exit'): ExitListener[];
+                listeners(event: 'rejectionHandled'): RejectionHandledListener[];
+                listeners(event: 'uncaughtException'): UncaughtExceptionListener[];
+                listeners(event: 'uncaughtExceptionMonitor'): UncaughtExceptionListener[];
+                listeners(event: 'unhandledRejection'): UnhandledRejectionListener[];
+                listeners(event: 'warning'): WarningListener[];
+                listeners(event: 'message'): MessageListener[];
+                listeners(event: Signals): SignalsListener[];
+                listeners(event: 'multipleResolves'): MultipleResolveListener[];
+                listeners(event: 'worker'): WorkerListener[];
+            }
+        }
+    }
+    export = process;
+}
+declare module 'node:process' {
+    import process = require('process');
+    export = process;
+}
diff --git a/node_modules/@types/node/ts4.8/punycode.d.ts b/node_modules/@types/node/ts4.8/punycode.d.ts
new file mode 100644
index 000000000..87ebbb904
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/punycode.d.ts
@@ -0,0 +1,117 @@
+/**
+ * **The version of the punycode module bundled in Node.js is being deprecated.**In a future major version of Node.js this module will be removed. Users
+ * currently depending on the `punycode` module should switch to using the
+ * userland-provided [Punycode.js](https://github.com/bestiejs/punycode.js) module instead. For punycode-based URL
+ * encoding, see `url.domainToASCII` or, more generally, the `WHATWG URL API`.
+ *
+ * The `punycode` module is a bundled version of the [Punycode.js](https://github.com/bestiejs/punycode.js) module. It
+ * can be accessed using:
+ *
+ * ```js
+ * const punycode = require('punycode');
+ * ```
+ *
+ * [Punycode](https://tools.ietf.org/html/rfc3492) is a character encoding scheme defined by RFC 3492 that is
+ * primarily intended for use in Internationalized Domain Names. Because host
+ * names in URLs are limited to ASCII characters only, Domain Names that contain
+ * non-ASCII characters must be converted into ASCII using the Punycode scheme.
+ * For instance, the Japanese character that translates into the English word,`'example'` is `'例'`. The Internationalized Domain Name, `'例.com'` (equivalent
+ * to `'example.com'`) is represented by Punycode as the ASCII string`'xn--fsq.com'`.
+ *
+ * The `punycode` module provides a simple implementation of the Punycode standard.
+ *
+ * The `punycode` module is a third-party dependency used by Node.js and
+ * made available to developers as a convenience. Fixes or other modifications to
+ * the module must be directed to the [Punycode.js](https://github.com/bestiejs/punycode.js) project.
+ * @deprecated Since v7.0.0 - Deprecated
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/punycode.js)
+ */
+declare module 'punycode' {
+    /**
+     * The `punycode.decode()` method converts a [Punycode](https://tools.ietf.org/html/rfc3492) string of ASCII-only
+     * characters to the equivalent string of Unicode codepoints.
+     *
+     * ```js
+     * punycode.decode('maana-pta'); // 'mañana'
+     * punycode.decode('--dqo34k'); // '☃-⌘'
+     * ```
+     * @since v0.5.1
+     */
+    function decode(string: string): string;
+    /**
+     * The `punycode.encode()` method converts a string of Unicode codepoints to a [Punycode](https://tools.ietf.org/html/rfc3492) string of ASCII-only characters.
+     *
+     * ```js
+     * punycode.encode('mañana'); // 'maana-pta'
+     * punycode.encode('☃-⌘'); // '--dqo34k'
+     * ```
+     * @since v0.5.1
+     */
+    function encode(string: string): string;
+    /**
+     * The `punycode.toUnicode()` method converts a string representing a domain name
+     * containing [Punycode](https://tools.ietf.org/html/rfc3492) encoded characters into Unicode. Only the [Punycode](https://tools.ietf.org/html/rfc3492) encoded parts of the domain name are be
+     * converted.
+     *
+     * ```js
+     * // decode domain names
+     * punycode.toUnicode('xn--maana-pta.com'); // 'mañana.com'
+     * punycode.toUnicode('xn----dqo34k.com');  // '☃-⌘.com'
+     * punycode.toUnicode('example.com');       // 'example.com'
+     * ```
+     * @since v0.6.1
+     */
+    function toUnicode(domain: string): string;
+    /**
+     * The `punycode.toASCII()` method converts a Unicode string representing an
+     * Internationalized Domain Name to [Punycode](https://tools.ietf.org/html/rfc3492). Only the non-ASCII parts of the
+     * domain name will be converted. Calling `punycode.toASCII()` on a string that
+     * already only contains ASCII characters will have no effect.
+     *
+     * ```js
+     * // encode domain names
+     * punycode.toASCII('mañana.com');  // 'xn--maana-pta.com'
+     * punycode.toASCII('☃-⌘.com');   // 'xn----dqo34k.com'
+     * punycode.toASCII('example.com'); // 'example.com'
+     * ```
+     * @since v0.6.1
+     */
+    function toASCII(domain: string): string;
+    /**
+     * @deprecated since v7.0.0
+     * The version of the punycode module bundled in Node.js is being deprecated.
+     * In a future major version of Node.js this module will be removed.
+     * Users currently depending on the punycode module should switch to using
+     * the userland-provided Punycode.js module instead.
+     */
+    const ucs2: ucs2;
+    interface ucs2 {
+        /**
+         * @deprecated since v7.0.0
+         * The version of the punycode module bundled in Node.js is being deprecated.
+         * In a future major version of Node.js this module will be removed.
+         * Users currently depending on the punycode module should switch to using
+         * the userland-provided Punycode.js module instead.
+         */
+        decode(string: string): number[];
+        /**
+         * @deprecated since v7.0.0
+         * The version of the punycode module bundled in Node.js is being deprecated.
+         * In a future major version of Node.js this module will be removed.
+         * Users currently depending on the punycode module should switch to using
+         * the userland-provided Punycode.js module instead.
+         */
+        encode(codePoints: ReadonlyArray<number>): string;
+    }
+    /**
+     * @deprecated since v7.0.0
+     * The version of the punycode module bundled in Node.js is being deprecated.
+     * In a future major version of Node.js this module will be removed.
+     * Users currently depending on the punycode module should switch to using
+     * the userland-provided Punycode.js module instead.
+     */
+    const version: string;
+}
+declare module 'node:punycode' {
+    export * from 'punycode';
+}
diff --git a/node_modules/@types/node/ts4.8/querystring.d.ts b/node_modules/@types/node/ts4.8/querystring.d.ts
new file mode 100644
index 000000000..e694d8c84
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/querystring.d.ts
@@ -0,0 +1,131 @@
+/**
+ * The `querystring` module provides utilities for parsing and formatting URL
+ * query strings. It can be accessed using:
+ *
+ * ```js
+ * const querystring = require('querystring');
+ * ```
+ *
+ * The `querystring` API is considered Legacy. While it is still maintained,
+ * new code should use the `URLSearchParams` API instead.
+ * @deprecated Legacy
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/querystring.js)
+ */
+declare module 'querystring' {
+    interface StringifyOptions {
+        encodeURIComponent?: ((str: string) => string) | undefined;
+    }
+    interface ParseOptions {
+        maxKeys?: number | undefined;
+        decodeURIComponent?: ((str: string) => string) | undefined;
+    }
+    interface ParsedUrlQuery extends NodeJS.Dict<string | string[]> {}
+    interface ParsedUrlQueryInput extends NodeJS.Dict<string | number | boolean | ReadonlyArray<string> | ReadonlyArray<number> | ReadonlyArray<boolean> | null> {}
+    /**
+     * The `querystring.stringify()` method produces a URL query string from a
+     * given `obj` by iterating through the object's "own properties".
+     *
+     * It serializes the following types of values passed in `obj`:[string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type) |
+     * [number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type) |
+     * [bigint](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt) |
+     * [boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Boolean_type) |
+     * [string\[\]](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type) |
+     * [number\[\]](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type) |
+     * [bigint\[\]](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt) |
+     * [boolean\[\]](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Boolean_type) The numeric values must be finite. Any other input values will be coerced to
+     * empty strings.
+     *
+     * ```js
+     * querystring.stringify({ foo: 'bar', baz: ['qux', 'quux'], corge: '' });
+     * // Returns 'foo=bar&#x26;baz=qux&#x26;baz=quux&#x26;corge='
+     *
+     * querystring.stringify({ foo: 'bar', baz: 'qux' }, ';', ':');
+     * // Returns 'foo:bar;baz:qux'
+     * ```
+     *
+     * By default, characters requiring percent-encoding within the query string will
+     * be encoded as UTF-8\. If an alternative encoding is required, then an alternative`encodeURIComponent` option will need to be specified:
+     *
+     * ```js
+     * // Assuming gbkEncodeURIComponent function already exists,
+     *
+     * querystring.stringify({ w: '中文', foo: 'bar' }, null, null,
+     *                       { encodeURIComponent: gbkEncodeURIComponent });
+     * ```
+     * @since v0.1.25
+     * @param obj The object to serialize into a URL query string
+     * @param [sep='&'] The substring used to delimit key and value pairs in the query string.
+     * @param [eq='='] . The substring used to delimit keys and values in the query string.
+     */
+    function stringify(obj?: ParsedUrlQueryInput, sep?: string, eq?: string, options?: StringifyOptions): string;
+    /**
+     * The `querystring.parse()` method parses a URL query string (`str`) into a
+     * collection of key and value pairs.
+     *
+     * For example, the query string `'foo=bar&#x26;abc=xyz&#x26;abc=123'` is parsed into:
+     *
+     * ```js
+     * {
+     *   foo: 'bar',
+     *   abc: ['xyz', '123']
+     * }
+     * ```
+     *
+     * The object returned by the `querystring.parse()` method _does not_prototypically inherit from the JavaScript `Object`. This means that typical`Object` methods such as `obj.toString()`,
+     * `obj.hasOwnProperty()`, and others
+     * are not defined and _will not work_.
+     *
+     * By default, percent-encoded characters within the query string will be assumed
+     * to use UTF-8 encoding. If an alternative character encoding is used, then an
+     * alternative `decodeURIComponent` option will need to be specified:
+     *
+     * ```js
+     * // Assuming gbkDecodeURIComponent function already exists...
+     *
+     * querystring.parse('w=%D6%D0%CE%C4&#x26;foo=bar', null, null,
+     *                   { decodeURIComponent: gbkDecodeURIComponent });
+     * ```
+     * @since v0.1.25
+     * @param str The URL query string to parse
+     * @param [sep='&'] The substring used to delimit key and value pairs in the query string.
+     * @param [eq='='] . The substring used to delimit keys and values in the query string.
+     */
+    function parse(str: string, sep?: string, eq?: string, options?: ParseOptions): ParsedUrlQuery;
+    /**
+     * The querystring.encode() function is an alias for querystring.stringify().
+     */
+    const encode: typeof stringify;
+    /**
+     * The querystring.decode() function is an alias for querystring.parse().
+     */
+    const decode: typeof parse;
+    /**
+     * The `querystring.escape()` method performs URL percent-encoding on the given`str` in a manner that is optimized for the specific requirements of URL
+     * query strings.
+     *
+     * The `querystring.escape()` method is used by `querystring.stringify()` and is
+     * generally not expected to be used directly. It is exported primarily to allow
+     * application code to provide a replacement percent-encoding implementation if
+     * necessary by assigning `querystring.escape` to an alternative function.
+     * @since v0.1.25
+     */
+    function escape(str: string): string;
+    /**
+     * The `querystring.unescape()` method performs decoding of URL percent-encoded
+     * characters on the given `str`.
+     *
+     * The `querystring.unescape()` method is used by `querystring.parse()` and is
+     * generally not expected to be used directly. It is exported primarily to allow
+     * application code to provide a replacement decoding implementation if
+     * necessary by assigning `querystring.unescape` to an alternative function.
+     *
+     * By default, the `querystring.unescape()` method will attempt to use the
+     * JavaScript built-in `decodeURIComponent()` method to decode. If that fails,
+     * a safer equivalent that does not throw on malformed URLs will be used.
+     * @since v0.1.25
+     */
+    function unescape(str: string): string;
+}
+declare module 'node:querystring' {
+    export * from 'querystring';
+}
diff --git a/node_modules/@types/node/ts4.8/readline.d.ts b/node_modules/@types/node/ts4.8/readline.d.ts
new file mode 100644
index 000000000..6ab64acbb
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/readline.d.ts
@@ -0,0 +1,653 @@
+/**
+ * The `readline` module provides an interface for reading data from a `Readable` stream (such as `process.stdin`) one line at a time.
+ *
+ * To use the promise-based APIs:
+ *
+ * ```js
+ * import * as readline from 'node:readline/promises';
+ * ```
+ *
+ * To use the callback and sync APIs:
+ *
+ * ```js
+ * import * as readline from 'node:readline';
+ * ```
+ *
+ * The following simple example illustrates the basic use of the `readline` module.
+ *
+ * ```js
+ * import * as readline from 'node:readline/promises';
+ * import { stdin as input, stdout as output } from 'node:process';
+ *
+ * const rl = readline.createInterface({ input, output });
+ *
+ * const answer = await rl.question('What do you think of Node.js? ');
+ *
+ * console.log(`Thank you for your valuable feedback: ${answer}`);
+ *
+ * rl.close();
+ * ```
+ *
+ * Once this code is invoked, the Node.js application will not terminate until the`readline.Interface` is closed because the interface waits for data to be
+ * received on the `input` stream.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/readline.js)
+ */
+declare module 'readline' {
+    import { Abortable, EventEmitter } from 'node:events';
+    import * as promises from 'node:readline/promises';
+
+    export { promises };
+    export interface Key {
+        sequence?: string | undefined;
+        name?: string | undefined;
+        ctrl?: boolean | undefined;
+        meta?: boolean | undefined;
+        shift?: boolean | undefined;
+    }
+    /**
+     * Instances of the `readline.Interface` class are constructed using the`readline.createInterface()` method. Every instance is associated with a
+     * single `input` `Readable` stream and a single `output` `Writable` stream.
+     * The `output` stream is used to print prompts for user input that arrives on,
+     * and is read from, the `input` stream.
+     * @since v0.1.104
+     */
+    export class Interface extends EventEmitter {
+        readonly terminal: boolean;
+        /**
+         * The current input data being processed by node.
+         *
+         * This can be used when collecting input from a TTY stream to retrieve the
+         * current value that has been processed thus far, prior to the `line` event
+         * being emitted. Once the `line` event has been emitted, this property will
+         * be an empty string.
+         *
+         * Be aware that modifying the value during the instance runtime may have
+         * unintended consequences if `rl.cursor` is not also controlled.
+         *
+         * **If not using a TTY stream for input, use the `'line'` event.**
+         *
+         * One possible use case would be as follows:
+         *
+         * ```js
+         * const values = ['lorem ipsum', 'dolor sit amet'];
+         * const rl = readline.createInterface(process.stdin);
+         * const showResults = debounce(() => {
+         *   console.log(
+         *     '\n',
+         *     values.filter((val) => val.startsWith(rl.line)).join(' ')
+         *   );
+         * }, 300);
+         * process.stdin.on('keypress', (c, k) => {
+         *   showResults();
+         * });
+         * ```
+         * @since v0.1.98
+         */
+        readonly line: string;
+        /**
+         * The cursor position relative to `rl.line`.
+         *
+         * This will track where the current cursor lands in the input string, when
+         * reading input from a TTY stream. The position of cursor determines the
+         * portion of the input string that will be modified as input is processed,
+         * as well as the column where the terminal caret will be rendered.
+         * @since v0.1.98
+         */
+        readonly cursor: number;
+        /**
+         * NOTE: According to the documentation:
+         *
+         * > Instances of the `readline.Interface` class are constructed using the
+         * > `readline.createInterface()` method.
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/readline.html#readline_class_interface
+         */
+        protected constructor(input: NodeJS.ReadableStream, output?: NodeJS.WritableStream, completer?: Completer | AsyncCompleter, terminal?: boolean);
+        /**
+         * NOTE: According to the documentation:
+         *
+         * > Instances of the `readline.Interface` class are constructed using the
+         * > `readline.createInterface()` method.
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/readline.html#readline_class_interface
+         */
+        protected constructor(options: ReadLineOptions);
+        /**
+         * The `rl.getPrompt()` method returns the current prompt used by `rl.prompt()`.
+         * @since v15.3.0
+         * @return the current prompt string
+         */
+        getPrompt(): string;
+        /**
+         * The `rl.setPrompt()` method sets the prompt that will be written to `output`whenever `rl.prompt()` is called.
+         * @since v0.1.98
+         */
+        setPrompt(prompt: string): void;
+        /**
+         * The `rl.prompt()` method writes the `readline.Interface` instances configured`prompt` to a new line in `output` in order to provide a user with a new
+         * location at which to provide input.
+         *
+         * When called, `rl.prompt()` will resume the `input` stream if it has been
+         * paused.
+         *
+         * If the `readline.Interface` was created with `output` set to `null` or`undefined` the prompt is not written.
+         * @since v0.1.98
+         * @param preserveCursor If `true`, prevents the cursor placement from being reset to `0`.
+         */
+        prompt(preserveCursor?: boolean): void;
+        /**
+         * The `rl.question()` method displays the `query` by writing it to the `output`,
+         * waits for user input to be provided on `input`, then invokes the `callback`function passing the provided input as the first argument.
+         *
+         * When called, `rl.question()` will resume the `input` stream if it has been
+         * paused.
+         *
+         * If the `readline.Interface` was created with `output` set to `null` or`undefined` the `query` is not written.
+         *
+         * The `callback` function passed to `rl.question()` does not follow the typical
+         * pattern of accepting an `Error` object or `null` as the first argument.
+         * The `callback` is called with the provided answer as the only argument.
+         *
+         * Example usage:
+         *
+         * ```js
+         * rl.question('What is your favorite food? ', (answer) => {
+         *   console.log(`Oh, so your favorite food is ${answer}`);
+         * });
+         * ```
+         *
+         * Using an `AbortController` to cancel a question.
+         *
+         * ```js
+         * const ac = new AbortController();
+         * const signal = ac.signal;
+         *
+         * rl.question('What is your favorite food? ', { signal }, (answer) => {
+         *   console.log(`Oh, so your favorite food is ${answer}`);
+         * });
+         *
+         * signal.addEventListener('abort', () => {
+         *   console.log('The food question timed out');
+         * }, { once: true });
+         *
+         * setTimeout(() => ac.abort(), 10000);
+         * ```
+         *
+         * If this method is invoked as it's util.promisify()ed version, it returns a
+         * Promise that fulfills with the answer. If the question is canceled using
+         * an `AbortController` it will reject with an `AbortError`.
+         *
+         * ```js
+         * const util = require('util');
+         * const question = util.promisify(rl.question).bind(rl);
+         *
+         * async function questionExample() {
+         *   try {
+         *     const answer = await question('What is you favorite food? ');
+         *     console.log(`Oh, so your favorite food is ${answer}`);
+         *   } catch (err) {
+         *     console.error('Question rejected', err);
+         *   }
+         * }
+         * questionExample();
+         * ```
+         * @since v0.3.3
+         * @param query A statement or query to write to `output`, prepended to the prompt.
+         * @param callback A callback function that is invoked with the user's input in response to the `query`.
+         */
+        question(query: string, callback: (answer: string) => void): void;
+        question(query: string, options: Abortable, callback: (answer: string) => void): void;
+        /**
+         * The `rl.pause()` method pauses the `input` stream, allowing it to be resumed
+         * later if necessary.
+         *
+         * Calling `rl.pause()` does not immediately pause other events (including`'line'`) from being emitted by the `readline.Interface` instance.
+         * @since v0.3.4
+         */
+        pause(): this;
+        /**
+         * The `rl.resume()` method resumes the `input` stream if it has been paused.
+         * @since v0.3.4
+         */
+        resume(): this;
+        /**
+         * The `rl.close()` method closes the `readline.Interface` instance and
+         * relinquishes control over the `input` and `output` streams. When called,
+         * the `'close'` event will be emitted.
+         *
+         * Calling `rl.close()` does not immediately stop other events (including `'line'`)
+         * from being emitted by the `readline.Interface` instance.
+         * @since v0.1.98
+         */
+        close(): void;
+        /**
+         * The `rl.write()` method will write either `data` or a key sequence identified
+         * by `key` to the `output`. The `key` argument is supported only if `output` is
+         * a `TTY` text terminal. See `TTY keybindings` for a list of key
+         * combinations.
+         *
+         * If `key` is specified, `data` is ignored.
+         *
+         * When called, `rl.write()` will resume the `input` stream if it has been
+         * paused.
+         *
+         * If the `readline.Interface` was created with `output` set to `null` or`undefined` the `data` and `key` are not written.
+         *
+         * ```js
+         * rl.write('Delete this!');
+         * // Simulate Ctrl+U to delete the line written previously
+         * rl.write(null, { ctrl: true, name: 'u' });
+         * ```
+         *
+         * The `rl.write()` method will write the data to the `readline` `Interface`'s`input`_as if it were provided by the user_.
+         * @since v0.1.98
+         */
+        write(data: string | Buffer, key?: Key): void;
+        write(data: undefined | null | string | Buffer, key: Key): void;
+        /**
+         * Returns the real position of the cursor in relation to the input
+         * prompt + string. Long input (wrapping) strings, as well as multiple
+         * line prompts are included in the calculations.
+         * @since v13.5.0, v12.16.0
+         */
+        getCursorPos(): CursorPos;
+        /**
+         * events.EventEmitter
+         * 1. close
+         * 2. line
+         * 3. pause
+         * 4. resume
+         * 5. SIGCONT
+         * 6. SIGINT
+         * 7. SIGTSTP
+         * 8. history
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'line', listener: (input: string) => void): this;
+        addListener(event: 'pause', listener: () => void): this;
+        addListener(event: 'resume', listener: () => void): this;
+        addListener(event: 'SIGCONT', listener: () => void): this;
+        addListener(event: 'SIGINT', listener: () => void): this;
+        addListener(event: 'SIGTSTP', listener: () => void): this;
+        addListener(event: 'history', listener: (history: string[]) => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'line', input: string): boolean;
+        emit(event: 'pause'): boolean;
+        emit(event: 'resume'): boolean;
+        emit(event: 'SIGCONT'): boolean;
+        emit(event: 'SIGINT'): boolean;
+        emit(event: 'SIGTSTP'): boolean;
+        emit(event: 'history', history: string[]): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'line', listener: (input: string) => void): this;
+        on(event: 'pause', listener: () => void): this;
+        on(event: 'resume', listener: () => void): this;
+        on(event: 'SIGCONT', listener: () => void): this;
+        on(event: 'SIGINT', listener: () => void): this;
+        on(event: 'SIGTSTP', listener: () => void): this;
+        on(event: 'history', listener: (history: string[]) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'line', listener: (input: string) => void): this;
+        once(event: 'pause', listener: () => void): this;
+        once(event: 'resume', listener: () => void): this;
+        once(event: 'SIGCONT', listener: () => void): this;
+        once(event: 'SIGINT', listener: () => void): this;
+        once(event: 'SIGTSTP', listener: () => void): this;
+        once(event: 'history', listener: (history: string[]) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'line', listener: (input: string) => void): this;
+        prependListener(event: 'pause', listener: () => void): this;
+        prependListener(event: 'resume', listener: () => void): this;
+        prependListener(event: 'SIGCONT', listener: () => void): this;
+        prependListener(event: 'SIGINT', listener: () => void): this;
+        prependListener(event: 'SIGTSTP', listener: () => void): this;
+        prependListener(event: 'history', listener: (history: string[]) => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'line', listener: (input: string) => void): this;
+        prependOnceListener(event: 'pause', listener: () => void): this;
+        prependOnceListener(event: 'resume', listener: () => void): this;
+        prependOnceListener(event: 'SIGCONT', listener: () => void): this;
+        prependOnceListener(event: 'SIGINT', listener: () => void): this;
+        prependOnceListener(event: 'SIGTSTP', listener: () => void): this;
+        prependOnceListener(event: 'history', listener: (history: string[]) => void): this;
+        [Symbol.asyncIterator](): AsyncIterableIterator<string>;
+    }
+    export type ReadLine = Interface; // type forwarded for backwards compatibility
+    export type Completer = (line: string) => CompleterResult;
+    export type AsyncCompleter = (line: string, callback: (err?: null | Error, result?: CompleterResult) => void) => void;
+    export type CompleterResult = [string[], string];
+    export interface ReadLineOptions {
+        input: NodeJS.ReadableStream;
+        output?: NodeJS.WritableStream | undefined;
+        completer?: Completer | AsyncCompleter | undefined;
+        terminal?: boolean | undefined;
+        /**
+         *  Initial list of history lines. This option makes sense
+         * only if `terminal` is set to `true` by the user or by an internal `output`
+         * check, otherwise the history caching mechanism is not initialized at all.
+         * @default []
+         */
+        history?: string[] | undefined;
+        historySize?: number | undefined;
+        prompt?: string | undefined;
+        crlfDelay?: number | undefined;
+        /**
+         * If `true`, when a new input line added
+         * to the history list duplicates an older one, this removes the older line
+         * from the list.
+         * @default false
+         */
+        removeHistoryDuplicates?: boolean | undefined;
+        escapeCodeTimeout?: number | undefined;
+        tabSize?: number | undefined;
+    }
+    /**
+     * The `readline.createInterface()` method creates a new `readline.Interface`instance.
+     *
+     * ```js
+     * const readline = require('readline');
+     * const rl = readline.createInterface({
+     *   input: process.stdin,
+     *   output: process.stdout
+     * });
+     * ```
+     *
+     * Once the `readline.Interface` instance is created, the most common case is to
+     * listen for the `'line'` event:
+     *
+     * ```js
+     * rl.on('line', (line) => {
+     *   console.log(`Received: ${line}`);
+     * });
+     * ```
+     *
+     * If `terminal` is `true` for this instance then the `output` stream will get
+     * the best compatibility if it defines an `output.columns` property and emits
+     * a `'resize'` event on the `output` if or when the columns ever change
+     * (`process.stdout` does this automatically when it is a TTY).
+     *
+     * When creating a `readline.Interface` using `stdin` as input, the program
+     * will not terminate until it receives `EOF` (Ctrl+D on
+     * Linux/macOS, Ctrl+Z followed by Return on
+     * Windows).
+     * If you want your application to exit without waiting for user input, you can `unref()` the standard input stream:
+     *
+     * ```js
+     * process.stdin.unref();
+     * ```
+     * @since v0.1.98
+     */
+    export function createInterface(input: NodeJS.ReadableStream, output?: NodeJS.WritableStream, completer?: Completer | AsyncCompleter, terminal?: boolean): Interface;
+    export function createInterface(options: ReadLineOptions): Interface;
+    /**
+     * The `readline.emitKeypressEvents()` method causes the given `Readable` stream to begin emitting `'keypress'` events corresponding to received input.
+     *
+     * Optionally, `interface` specifies a `readline.Interface` instance for which
+     * autocompletion is disabled when copy-pasted input is detected.
+     *
+     * If the `stream` is a `TTY`, then it must be in raw mode.
+     *
+     * This is automatically called by any readline instance on its `input` if the`input` is a terminal. Closing the `readline` instance does not stop
+     * the `input` from emitting `'keypress'` events.
+     *
+     * ```js
+     * readline.emitKeypressEvents(process.stdin);
+     * if (process.stdin.isTTY)
+     *   process.stdin.setRawMode(true);
+     * ```
+     *
+     * ## Example: Tiny CLI
+     *
+     * The following example illustrates the use of `readline.Interface` class to
+     * implement a small command-line interface:
+     *
+     * ```js
+     * const readline = require('readline');
+     * const rl = readline.createInterface({
+     *   input: process.stdin,
+     *   output: process.stdout,
+     *   prompt: 'OHAI> '
+     * });
+     *
+     * rl.prompt();
+     *
+     * rl.on('line', (line) => {
+     *   switch (line.trim()) {
+     *     case 'hello':
+     *       console.log('world!');
+     *       break;
+     *     default:
+     *       console.log(`Say what? I might have heard '${line.trim()}'`);
+     *       break;
+     *   }
+     *   rl.prompt();
+     * }).on('close', () => {
+     *   console.log('Have a great day!');
+     *   process.exit(0);
+     * });
+     * ```
+     *
+     * ## Example: Read file stream line-by-Line
+     *
+     * A common use case for `readline` is to consume an input file one line at a
+     * time. The easiest way to do so is leveraging the `fs.ReadStream` API as
+     * well as a `for await...of` loop:
+     *
+     * ```js
+     * const fs = require('fs');
+     * const readline = require('readline');
+     *
+     * async function processLineByLine() {
+     *   const fileStream = fs.createReadStream('input.txt');
+     *
+     *   const rl = readline.createInterface({
+     *     input: fileStream,
+     *     crlfDelay: Infinity
+     *   });
+     *   // Note: we use the crlfDelay option to recognize all instances of CR LF
+     *   // ('\r\n') in input.txt as a single line break.
+     *
+     *   for await (const line of rl) {
+     *     // Each line in input.txt will be successively available here as `line`.
+     *     console.log(`Line from file: ${line}`);
+     *   }
+     * }
+     *
+     * processLineByLine();
+     * ```
+     *
+     * Alternatively, one could use the `'line'` event:
+     *
+     * ```js
+     * const fs = require('fs');
+     * const readline = require('readline');
+     *
+     * const rl = readline.createInterface({
+     *   input: fs.createReadStream('sample.txt'),
+     *   crlfDelay: Infinity
+     * });
+     *
+     * rl.on('line', (line) => {
+     *   console.log(`Line from file: ${line}`);
+     * });
+     * ```
+     *
+     * Currently, `for await...of` loop can be a bit slower. If `async` / `await`flow and speed are both essential, a mixed approach can be applied:
+     *
+     * ```js
+     * const { once } = require('events');
+     * const { createReadStream } = require('fs');
+     * const { createInterface } = require('readline');
+     *
+     * (async function processLineByLine() {
+     *   try {
+     *     const rl = createInterface({
+     *       input: createReadStream('big-file.txt'),
+     *       crlfDelay: Infinity
+     *     });
+     *
+     *     rl.on('line', (line) => {
+     *       // Process the line.
+     *     });
+     *
+     *     await once(rl, 'close');
+     *
+     *     console.log('File processed.');
+     *   } catch (err) {
+     *     console.error(err);
+     *   }
+     * })();
+     * ```
+     * @since v0.7.7
+     */
+    export function emitKeypressEvents(stream: NodeJS.ReadableStream, readlineInterface?: Interface): void;
+    export type Direction = -1 | 0 | 1;
+    export interface CursorPos {
+        rows: number;
+        cols: number;
+    }
+    /**
+     * The `readline.clearLine()` method clears current line of given `TTY` stream
+     * in a specified direction identified by `dir`.
+     * @since v0.7.7
+     * @param callback Invoked once the operation completes.
+     * @return `false` if `stream` wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+     */
+    export function clearLine(stream: NodeJS.WritableStream, dir: Direction, callback?: () => void): boolean;
+    /**
+     * The `readline.clearScreenDown()` method clears the given `TTY` stream from
+     * the current position of the cursor down.
+     * @since v0.7.7
+     * @param callback Invoked once the operation completes.
+     * @return `false` if `stream` wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+     */
+    export function clearScreenDown(stream: NodeJS.WritableStream, callback?: () => void): boolean;
+    /**
+     * The `readline.cursorTo()` method moves cursor to the specified position in a
+     * given `TTY` `stream`.
+     * @since v0.7.7
+     * @param callback Invoked once the operation completes.
+     * @return `false` if `stream` wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+     */
+    export function cursorTo(stream: NodeJS.WritableStream, x: number, y?: number, callback?: () => void): boolean;
+    /**
+     * The `readline.moveCursor()` method moves the cursor _relative_ to its current
+     * position in a given `TTY` `stream`.
+     *
+     * ## Example: Tiny CLI
+     *
+     * The following example illustrates the use of `readline.Interface` class to
+     * implement a small command-line interface:
+     *
+     * ```js
+     * const readline = require('readline');
+     * const rl = readline.createInterface({
+     *   input: process.stdin,
+     *   output: process.stdout,
+     *   prompt: 'OHAI> '
+     * });
+     *
+     * rl.prompt();
+     *
+     * rl.on('line', (line) => {
+     *   switch (line.trim()) {
+     *     case 'hello':
+     *       console.log('world!');
+     *       break;
+     *     default:
+     *       console.log(`Say what? I might have heard '${line.trim()}'`);
+     *       break;
+     *   }
+     *   rl.prompt();
+     * }).on('close', () => {
+     *   console.log('Have a great day!');
+     *   process.exit(0);
+     * });
+     * ```
+     *
+     * ## Example: Read file stream line-by-Line
+     *
+     * A common use case for `readline` is to consume an input file one line at a
+     * time. The easiest way to do so is leveraging the `fs.ReadStream` API as
+     * well as a `for await...of` loop:
+     *
+     * ```js
+     * const fs = require('fs');
+     * const readline = require('readline');
+     *
+     * async function processLineByLine() {
+     *   const fileStream = fs.createReadStream('input.txt');
+     *
+     *   const rl = readline.createInterface({
+     *     input: fileStream,
+     *     crlfDelay: Infinity
+     *   });
+     *   // Note: we use the crlfDelay option to recognize all instances of CR LF
+     *   // ('\r\n') in input.txt as a single line break.
+     *
+     *   for await (const line of rl) {
+     *     // Each line in input.txt will be successively available here as `line`.
+     *     console.log(`Line from file: ${line}`);
+     *   }
+     * }
+     *
+     * processLineByLine();
+     * ```
+     *
+     * Alternatively, one could use the `'line'` event:
+     *
+     * ```js
+     * const fs = require('fs');
+     * const readline = require('readline');
+     *
+     * const rl = readline.createInterface({
+     *   input: fs.createReadStream('sample.txt'),
+     *   crlfDelay: Infinity
+     * });
+     *
+     * rl.on('line', (line) => {
+     *   console.log(`Line from file: ${line}`);
+     * });
+     * ```
+     *
+     * Currently, `for await...of` loop can be a bit slower. If `async` / `await`flow and speed are both essential, a mixed approach can be applied:
+     *
+     * ```js
+     * const { once } = require('events');
+     * const { createReadStream } = require('fs');
+     * const { createInterface } = require('readline');
+     *
+     * (async function processLineByLine() {
+     *   try {
+     *     const rl = createInterface({
+     *       input: createReadStream('big-file.txt'),
+     *       crlfDelay: Infinity
+     *     });
+     *
+     *     rl.on('line', (line) => {
+     *       // Process the line.
+     *     });
+     *
+     *     await once(rl, 'close');
+     *
+     *     console.log('File processed.');
+     *   } catch (err) {
+     *     console.error(err);
+     *   }
+     * })();
+     * ```
+     * @since v0.7.7
+     * @param callback Invoked once the operation completes.
+     * @return `false` if `stream` wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+     */
+    export function moveCursor(stream: NodeJS.WritableStream, dx: number, dy: number, callback?: () => void): boolean;
+}
+declare module 'node:readline' {
+    export * from 'readline';
+}
diff --git a/node_modules/@types/node/ts4.8/readline/promises.d.ts b/node_modules/@types/node/ts4.8/readline/promises.d.ts
new file mode 100644
index 000000000..8f9f06f0b
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/readline/promises.d.ts
@@ -0,0 +1,143 @@
+/**
+ * The `readline/promise` module provides an API for reading lines of input from a Readable stream one line at a time.
+ *
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/readline/promises.js)
+ * @since v17.0.0
+ */
+declare module 'readline/promises' {
+    import { Interface as _Interface, ReadLineOptions, Completer, AsyncCompleter, Direction } from 'node:readline';
+    import { Abortable } from 'node:events';
+
+    class Interface extends _Interface {
+        /**
+         * The rl.question() method displays the query by writing it to the output, waits for user input to be provided on input,
+         * then invokes the callback function passing the provided input as the first argument.
+         *
+         * When called, rl.question() will resume the input stream if it has been paused.
+         *
+         * If the readlinePromises.Interface was created with output set to null or undefined the query is not written.
+         *
+         * If the question is called after rl.close(), it returns a rejected promise.
+         *
+         * Example usage:
+         *
+         * ```js
+         * const answer = await rl.question('What is your favorite food? ');
+         * console.log(`Oh, so your favorite food is ${answer}`);
+         * ```
+         *
+         * Using an AbortSignal to cancel a question.
+         *
+         * ```js
+         * const signal = AbortSignal.timeout(10_000);
+         *
+         * signal.addEventListener('abort', () => {
+         *   console.log('The food question timed out');
+         * }, { once: true });
+         *
+         * const answer = await rl.question('What is your favorite food? ', { signal });
+         * console.log(`Oh, so your favorite food is ${answer}`);
+         * ```
+         *
+         * @since v17.0.0
+         * @param query A statement or query to write to output, prepended to the prompt.
+         */
+        question(query: string): Promise<string>;
+        question(query: string, options: Abortable): Promise<string>;
+    }
+
+    class Readline {
+        /**
+         * @param stream A TTY stream.
+         */
+        constructor(stream: NodeJS.WritableStream, options?: { autoCommit?: boolean });
+        /**
+         * The `rl.clearLine()` method adds to the internal list of pending action an action that clears current line of the associated `stream` in a specified direction identified by `dir`.
+         * Call `rl.commit()` to see the effect of this method, unless `autoCommit: true` was passed to the constructor.
+         */
+        clearLine(dir: Direction): this;
+        /**
+         * The `rl.clearScreenDown()` method adds to the internal list of pending action an action that clears the associated `stream` from the current position of the cursor down.
+         * Call `rl.commit()` to see the effect of this method, unless `autoCommit: true` was passed to the constructor.
+         */
+        clearScreenDown(): this;
+        /**
+         * The `rl.commit()` method sends all the pending actions to the associated `stream` and clears the internal list of pending actions.
+         */
+        commit(): Promise<void>;
+        /**
+         * The `rl.cursorTo()` method adds to the internal list of pending action an action that moves cursor to the specified position in the associated `stream`.
+         * Call `rl.commit()` to see the effect of this method, unless `autoCommit: true` was passed to the constructor.
+         */
+        cursorTo(x: number, y?: number): this;
+        /**
+         * The `rl.moveCursor()` method adds to the internal list of pending action an action that moves the cursor relative to its current position in the associated `stream`.
+         * Call `rl.commit()` to see the effect of this method, unless autoCommit: true was passed to the constructor.
+         */
+        moveCursor(dx: number, dy: number): this;
+        /**
+         * The `rl.rollback()` method clears the internal list of pending actions without sending it to the associated `stream`.
+         */
+        rollback(): this;
+    }
+
+    /**
+     * The `readlinePromises.createInterface()` method creates a new `readlinePromises.Interface` instance.
+     *
+     * ```js
+     * const readlinePromises = require('node:readline/promises');
+     * const rl = readlinePromises.createInterface({
+     *   input: process.stdin,
+     *   output: process.stdout
+     * });
+     * ```
+     *
+     * Once the `readlinePromises.Interface` instance is created, the most common case is to listen for the `'line'` event:
+     *
+     * ```js
+     * rl.on('line', (line) => {
+     *   console.log(`Received: ${line}`);
+     * });
+     * ```
+     *
+     * If `terminal` is `true` for this instance then the `output` stream will get the best compatibility if it defines an `output.columns` property,
+     * and emits a `'resize'` event on the `output`, if or when the columns ever change (`process.stdout` does this automatically when it is a TTY).
+     *
+     * ## Use of the `completer` function
+     *
+     * The `completer` function takes the current line entered by the user as an argument, and returns an `Array` with 2 entries:
+     *
+     * - An Array with matching entries for the completion.
+     * - The substring that was used for the matching.
+     *
+     * For instance: `[[substr1, substr2, ...], originalsubstring]`.
+     *
+     * ```js
+     * function completer(line) {
+     *   const completions = '.help .error .exit .quit .q'.split(' ');
+     *   const hits = completions.filter((c) => c.startsWith(line));
+     *   // Show all completions if none found
+     *   return [hits.length ? hits : completions, line];
+     * }
+     * ```
+     *
+     * The `completer` function can also returns a `Promise`, or be asynchronous:
+     *
+     * ```js
+     * async function completer(linePartial) {
+     *   await someAsyncWork();
+     *   return [['123'], linePartial];
+     * }
+     * ```
+     */
+    function createInterface(
+        input: NodeJS.ReadableStream,
+        output?: NodeJS.WritableStream,
+        completer?: Completer | AsyncCompleter,
+        terminal?: boolean,
+    ): Interface;
+    function createInterface(options: ReadLineOptions): Interface;
+}
+declare module 'node:readline/promises' {
+    export * from 'readline/promises';
+}
diff --git a/node_modules/@types/node/ts4.8/repl.d.ts b/node_modules/@types/node/ts4.8/repl.d.ts
new file mode 100644
index 000000000..be42ccc4a
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/repl.d.ts
@@ -0,0 +1,424 @@
+/**
+ * The `repl` module provides a Read-Eval-Print-Loop (REPL) implementation that
+ * is available both as a standalone program or includible in other applications.
+ * It can be accessed using:
+ *
+ * ```js
+ * const repl = require('repl');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/repl.js)
+ */
+declare module 'repl' {
+    import { Interface, Completer, AsyncCompleter } from 'node:readline';
+    import { Context } from 'node:vm';
+    import { InspectOptions } from 'node:util';
+    interface ReplOptions {
+        /**
+         * The input prompt to display.
+         * @default "> "
+         */
+        prompt?: string | undefined;
+        /**
+         * The `Readable` stream from which REPL input will be read.
+         * @default process.stdin
+         */
+        input?: NodeJS.ReadableStream | undefined;
+        /**
+         * The `Writable` stream to which REPL output will be written.
+         * @default process.stdout
+         */
+        output?: NodeJS.WritableStream | undefined;
+        /**
+         * If `true`, specifies that the output should be treated as a TTY terminal, and have
+         * ANSI/VT100 escape codes written to it.
+         * Default: checking the value of the `isTTY` property on the output stream upon
+         * instantiation.
+         */
+        terminal?: boolean | undefined;
+        /**
+         * The function to be used when evaluating each given line of input.
+         * Default: an async wrapper for the JavaScript `eval()` function. An `eval` function can
+         * error with `repl.Recoverable` to indicate the input was incomplete and prompt for
+         * additional lines.
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_default_evaluation
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_custom_evaluation_functions
+         */
+        eval?: REPLEval | undefined;
+        /**
+         * Defines if the repl prints output previews or not.
+         * @default `true` Always `false` in case `terminal` is falsy.
+         */
+        preview?: boolean | undefined;
+        /**
+         * If `true`, specifies that the default `writer` function should include ANSI color
+         * styling to REPL output. If a custom `writer` function is provided then this has no
+         * effect.
+         * Default: the REPL instance's `terminal` value.
+         */
+        useColors?: boolean | undefined;
+        /**
+         * If `true`, specifies that the default evaluation function will use the JavaScript
+         * `global` as the context as opposed to creating a new separate context for the REPL
+         * instance. The node CLI REPL sets this value to `true`.
+         * Default: `false`.
+         */
+        useGlobal?: boolean | undefined;
+        /**
+         * If `true`, specifies that the default writer will not output the return value of a
+         * command if it evaluates to `undefined`.
+         * Default: `false`.
+         */
+        ignoreUndefined?: boolean | undefined;
+        /**
+         * The function to invoke to format the output of each command before writing to `output`.
+         * Default: a wrapper for `util.inspect`.
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_customizing_repl_output
+         */
+        writer?: REPLWriter | undefined;
+        /**
+         * An optional function used for custom Tab auto completion.
+         *
+         * @see https://nodejs.org/dist/latest-v11.x/docs/api/readline.html#readline_use_of_the_completer_function
+         */
+        completer?: Completer | AsyncCompleter | undefined;
+        /**
+         * A flag that specifies whether the default evaluator executes all JavaScript commands in
+         * strict mode or default (sloppy) mode.
+         * Accepted values are:
+         * - `repl.REPL_MODE_SLOPPY` - evaluates expressions in sloppy mode.
+         * - `repl.REPL_MODE_STRICT` - evaluates expressions in strict mode. This is equivalent to
+         *   prefacing every repl statement with `'use strict'`.
+         */
+        replMode?: typeof REPL_MODE_SLOPPY | typeof REPL_MODE_STRICT | undefined;
+        /**
+         * Stop evaluating the current piece of code when `SIGINT` is received, i.e. `Ctrl+C` is
+         * pressed. This cannot be used together with a custom `eval` function.
+         * Default: `false`.
+         */
+        breakEvalOnSigint?: boolean | undefined;
+    }
+    type REPLEval = (this: REPLServer, evalCmd: string, context: Context, file: string, cb: (err: Error | null, result: any) => void) => void;
+    type REPLWriter = (this: REPLServer, obj: any) => string;
+    /**
+     * This is the default "writer" value, if none is passed in the REPL options,
+     * and it can be overridden by custom print functions.
+     */
+    const writer: REPLWriter & {
+        options: InspectOptions;
+    };
+    type REPLCommandAction = (this: REPLServer, text: string) => void;
+    interface REPLCommand {
+        /**
+         * Help text to be displayed when `.help` is entered.
+         */
+        help?: string | undefined;
+        /**
+         * The function to execute, optionally accepting a single string argument.
+         */
+        action: REPLCommandAction;
+    }
+    /**
+     * Instances of `repl.REPLServer` are created using the {@link start} method
+     * or directly using the JavaScript `new` keyword.
+     *
+     * ```js
+     * const repl = require('repl');
+     *
+     * const options = { useColors: true };
+     *
+     * const firstInstance = repl.start(options);
+     * const secondInstance = new repl.REPLServer(options);
+     * ```
+     * @since v0.1.91
+     */
+    class REPLServer extends Interface {
+        /**
+         * The `vm.Context` provided to the `eval` function to be used for JavaScript
+         * evaluation.
+         */
+        readonly context: Context;
+        /**
+         * @deprecated since v14.3.0 - Use `input` instead.
+         */
+        readonly inputStream: NodeJS.ReadableStream;
+        /**
+         * @deprecated since v14.3.0 - Use `output` instead.
+         */
+        readonly outputStream: NodeJS.WritableStream;
+        /**
+         * The `Readable` stream from which REPL input will be read.
+         */
+        readonly input: NodeJS.ReadableStream;
+        /**
+         * The `Writable` stream to which REPL output will be written.
+         */
+        readonly output: NodeJS.WritableStream;
+        /**
+         * The commands registered via `replServer.defineCommand()`.
+         */
+        readonly commands: NodeJS.ReadOnlyDict<REPLCommand>;
+        /**
+         * A value indicating whether the REPL is currently in "editor mode".
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_commands_and_special_keys
+         */
+        readonly editorMode: boolean;
+        /**
+         * A value indicating whether the `_` variable has been assigned.
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_assignment_of_the_underscore_variable
+         */
+        readonly underscoreAssigned: boolean;
+        /**
+         * The last evaluation result from the REPL (assigned to the `_` variable inside of the REPL).
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_assignment_of_the_underscore_variable
+         */
+        readonly last: any;
+        /**
+         * A value indicating whether the `_error` variable has been assigned.
+         *
+         * @since v9.8.0
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_assignment_of_the_underscore_variable
+         */
+        readonly underscoreErrAssigned: boolean;
+        /**
+         * The last error raised inside the REPL (assigned to the `_error` variable inside of the REPL).
+         *
+         * @since v9.8.0
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_assignment_of_the_underscore_variable
+         */
+        readonly lastError: any;
+        /**
+         * Specified in the REPL options, this is the function to be used when evaluating each
+         * given line of input. If not specified in the REPL options, this is an async wrapper
+         * for the JavaScript `eval()` function.
+         */
+        readonly eval: REPLEval;
+        /**
+         * Specified in the REPL options, this is a value indicating whether the default
+         * `writer` function should include ANSI color styling to REPL output.
+         */
+        readonly useColors: boolean;
+        /**
+         * Specified in the REPL options, this is a value indicating whether the default `eval`
+         * function will use the JavaScript `global` as the context as opposed to creating a new
+         * separate context for the REPL instance.
+         */
+        readonly useGlobal: boolean;
+        /**
+         * Specified in the REPL options, this is a value indicating whether the default `writer`
+         * function should output the result of a command if it evaluates to `undefined`.
+         */
+        readonly ignoreUndefined: boolean;
+        /**
+         * Specified in the REPL options, this is the function to invoke to format the output of
+         * each command before writing to `outputStream`. If not specified in the REPL options,
+         * this will be a wrapper for `util.inspect`.
+         */
+        readonly writer: REPLWriter;
+        /**
+         * Specified in the REPL options, this is the function to use for custom Tab auto-completion.
+         */
+        readonly completer: Completer | AsyncCompleter;
+        /**
+         * Specified in the REPL options, this is a flag that specifies whether the default `eval`
+         * function should execute all JavaScript commands in strict mode or default (sloppy) mode.
+         * Possible values are:
+         * - `repl.REPL_MODE_SLOPPY` - evaluates expressions in sloppy mode.
+         * - `repl.REPL_MODE_STRICT` - evaluates expressions in strict mode. This is equivalent to
+         *    prefacing every repl statement with `'use strict'`.
+         */
+        readonly replMode: typeof REPL_MODE_SLOPPY | typeof REPL_MODE_STRICT;
+        /**
+         * NOTE: According to the documentation:
+         *
+         * > Instances of `repl.REPLServer` are created using the `repl.start()` method and
+         * > _should not_ be created directly using the JavaScript `new` keyword.
+         *
+         * `REPLServer` cannot be subclassed due to implementation specifics in NodeJS.
+         *
+         * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_class_replserver
+         */
+        private constructor();
+        /**
+         * The `replServer.defineCommand()` method is used to add new `.`\-prefixed commands
+         * to the REPL instance. Such commands are invoked by typing a `.` followed by the`keyword`. The `cmd` is either a `Function` or an `Object` with the following
+         * properties:
+         *
+         * The following example shows two new commands added to the REPL instance:
+         *
+         * ```js
+         * const repl = require('repl');
+         *
+         * const replServer = repl.start({ prompt: '> ' });
+         * replServer.defineCommand('sayhello', {
+         *   help: 'Say hello',
+         *   action(name) {
+         *     this.clearBufferedCommand();
+         *     console.log(`Hello, ${name}!`);
+         *     this.displayPrompt();
+         *   }
+         * });
+         * replServer.defineCommand('saybye', function saybye() {
+         *   console.log('Goodbye!');
+         *   this.close();
+         * });
+         * ```
+         *
+         * The new commands can then be used from within the REPL instance:
+         *
+         * ```console
+         * > .sayhello Node.js User
+         * Hello, Node.js User!
+         * > .saybye
+         * Goodbye!
+         * ```
+         * @since v0.3.0
+         * @param keyword The command keyword (_without_ a leading `.` character).
+         * @param cmd The function to invoke when the command is processed.
+         */
+        defineCommand(keyword: string, cmd: REPLCommandAction | REPLCommand): void;
+        /**
+         * The `replServer.displayPrompt()` method readies the REPL instance for input
+         * from the user, printing the configured `prompt` to a new line in the `output`and resuming the `input` to accept new input.
+         *
+         * When multi-line input is being entered, an ellipsis is printed rather than the
+         * 'prompt'.
+         *
+         * When `preserveCursor` is `true`, the cursor placement will not be reset to `0`.
+         *
+         * The `replServer.displayPrompt` method is primarily intended to be called from
+         * within the action function for commands registered using the`replServer.defineCommand()` method.
+         * @since v0.1.91
+         */
+        displayPrompt(preserveCursor?: boolean): void;
+        /**
+         * The `replServer.clearBufferedCommand()` method clears any command that has been
+         * buffered but not yet executed. This method is primarily intended to be
+         * called from within the action function for commands registered using the`replServer.defineCommand()` method.
+         * @since v9.0.0
+         */
+        clearBufferedCommand(): void;
+        /**
+         * Initializes a history log file for the REPL instance. When executing the
+         * Node.js binary and using the command-line REPL, a history file is initialized
+         * by default. However, this is not the case when creating a REPL
+         * programmatically. Use this method to initialize a history log file when working
+         * with REPL instances programmatically.
+         * @since v11.10.0
+         * @param historyPath the path to the history file
+         * @param callback called when history writes are ready or upon error
+         */
+        setupHistory(path: string, callback: (err: Error | null, repl: this) => void): void;
+        /**
+         * events.EventEmitter
+         * 1. close - inherited from `readline.Interface`
+         * 2. line - inherited from `readline.Interface`
+         * 3. pause - inherited from `readline.Interface`
+         * 4. resume - inherited from `readline.Interface`
+         * 5. SIGCONT - inherited from `readline.Interface`
+         * 6. SIGINT - inherited from `readline.Interface`
+         * 7. SIGTSTP - inherited from `readline.Interface`
+         * 8. exit
+         * 9. reset
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'line', listener: (input: string) => void): this;
+        addListener(event: 'pause', listener: () => void): this;
+        addListener(event: 'resume', listener: () => void): this;
+        addListener(event: 'SIGCONT', listener: () => void): this;
+        addListener(event: 'SIGINT', listener: () => void): this;
+        addListener(event: 'SIGTSTP', listener: () => void): this;
+        addListener(event: 'exit', listener: () => void): this;
+        addListener(event: 'reset', listener: (context: Context) => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'close'): boolean;
+        emit(event: 'line', input: string): boolean;
+        emit(event: 'pause'): boolean;
+        emit(event: 'resume'): boolean;
+        emit(event: 'SIGCONT'): boolean;
+        emit(event: 'SIGINT'): boolean;
+        emit(event: 'SIGTSTP'): boolean;
+        emit(event: 'exit'): boolean;
+        emit(event: 'reset', context: Context): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'line', listener: (input: string) => void): this;
+        on(event: 'pause', listener: () => void): this;
+        on(event: 'resume', listener: () => void): this;
+        on(event: 'SIGCONT', listener: () => void): this;
+        on(event: 'SIGINT', listener: () => void): this;
+        on(event: 'SIGTSTP', listener: () => void): this;
+        on(event: 'exit', listener: () => void): this;
+        on(event: 'reset', listener: (context: Context) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'line', listener: (input: string) => void): this;
+        once(event: 'pause', listener: () => void): this;
+        once(event: 'resume', listener: () => void): this;
+        once(event: 'SIGCONT', listener: () => void): this;
+        once(event: 'SIGINT', listener: () => void): this;
+        once(event: 'SIGTSTP', listener: () => void): this;
+        once(event: 'exit', listener: () => void): this;
+        once(event: 'reset', listener: (context: Context) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'line', listener: (input: string) => void): this;
+        prependListener(event: 'pause', listener: () => void): this;
+        prependListener(event: 'resume', listener: () => void): this;
+        prependListener(event: 'SIGCONT', listener: () => void): this;
+        prependListener(event: 'SIGINT', listener: () => void): this;
+        prependListener(event: 'SIGTSTP', listener: () => void): this;
+        prependListener(event: 'exit', listener: () => void): this;
+        prependListener(event: 'reset', listener: (context: Context) => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'line', listener: (input: string) => void): this;
+        prependOnceListener(event: 'pause', listener: () => void): this;
+        prependOnceListener(event: 'resume', listener: () => void): this;
+        prependOnceListener(event: 'SIGCONT', listener: () => void): this;
+        prependOnceListener(event: 'SIGINT', listener: () => void): this;
+        prependOnceListener(event: 'SIGTSTP', listener: () => void): this;
+        prependOnceListener(event: 'exit', listener: () => void): this;
+        prependOnceListener(event: 'reset', listener: (context: Context) => void): this;
+    }
+    /**
+     * A flag passed in the REPL options. Evaluates expressions in sloppy mode.
+     */
+    const REPL_MODE_SLOPPY: unique symbol;
+    /**
+     * A flag passed in the REPL options. Evaluates expressions in strict mode.
+     * This is equivalent to prefacing every repl statement with `'use strict'`.
+     */
+    const REPL_MODE_STRICT: unique symbol;
+    /**
+     * The `repl.start()` method creates and starts a {@link REPLServer} instance.
+     *
+     * If `options` is a string, then it specifies the input prompt:
+     *
+     * ```js
+     * const repl = require('repl');
+     *
+     * // a Unix style prompt
+     * repl.start('$ ');
+     * ```
+     * @since v0.1.91
+     */
+    function start(options?: string | ReplOptions): REPLServer;
+    /**
+     * Indicates a recoverable error that a `REPLServer` can use to support multi-line input.
+     *
+     * @see https://nodejs.org/dist/latest-v10.x/docs/api/repl.html#repl_recoverable_errors
+     */
+    class Recoverable extends SyntaxError {
+        err: Error;
+        constructor(err: Error);
+    }
+}
+declare module 'node:repl' {
+    export * from 'repl';
+}
diff --git a/node_modules/@types/node/ts4.8/stream.d.ts b/node_modules/@types/node/ts4.8/stream.d.ts
new file mode 100644
index 000000000..d478f335c
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/stream.d.ts
@@ -0,0 +1,1339 @@
+/**
+ * A stream is an abstract interface for working with streaming data in Node.js.
+ * The `stream` module provides an API for implementing the stream interface.
+ *
+ * There are many stream objects provided by Node.js. For instance, a `request to an HTTP server` and `process.stdout` are both stream instances.
+ *
+ * Streams can be readable, writable, or both. All streams are instances of `EventEmitter`.
+ *
+ * To access the `stream` module:
+ *
+ * ```js
+ * const stream = require('stream');
+ * ```
+ *
+ * The `stream` module is useful for creating new types of stream instances. It is
+ * usually not necessary to use the `stream` module to consume streams.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/stream.js)
+ */
+declare module 'stream' {
+    import { EventEmitter, Abortable } from 'node:events';
+    import * as streamPromises from 'node:stream/promises';
+    import * as streamConsumers from 'node:stream/consumers';
+    import * as streamWeb from 'node:stream/web';
+    class internal extends EventEmitter {
+        pipe<T extends NodeJS.WritableStream>(
+            destination: T,
+            options?: {
+                end?: boolean | undefined;
+            }
+        ): T;
+    }
+    namespace internal {
+        class Stream extends internal {
+            constructor(opts?: ReadableOptions);
+        }
+        interface StreamOptions<T extends Stream> extends Abortable {
+            emitClose?: boolean | undefined;
+            highWaterMark?: number | undefined;
+            objectMode?: boolean | undefined;
+            construct?(this: T, callback: (error?: Error | null) => void): void;
+            destroy?(this: T, error: Error | null, callback: (error: Error | null) => void): void;
+            autoDestroy?: boolean | undefined;
+        }
+        interface ReadableOptions extends StreamOptions<Readable> {
+            encoding?: BufferEncoding | undefined;
+            read?(this: Readable, size: number): void;
+        }
+        /**
+         * @since v0.9.4
+         */
+        class Readable extends Stream implements NodeJS.ReadableStream {
+            /**
+             * A utility method for creating Readable Streams out of iterators.
+             */
+            static from(iterable: Iterable<any> | AsyncIterable<any>, options?: ReadableOptions): Readable;
+            /**
+             * A utility method for creating a `Readable` from a web `ReadableStream`.
+             * @since v17.0.0
+             * @experimental
+             */
+            static fromWeb(readableStream: streamWeb.ReadableStream, options?: Pick<ReadableOptions, 'encoding' | 'highWaterMark' | 'objectMode' | 'signal'>): Readable;
+            /**
+             * Returns whether the stream has been read from or cancelled.
+             * @since v16.8.0
+             */
+            static isDisturbed(stream: Readable | NodeJS.ReadableStream): boolean;
+            /**
+             * A utility method for creating a web `ReadableStream` from a `Readable`.
+             * @since v17.0.0
+             * @experimental
+             */
+            static toWeb(streamReadable: Readable): streamWeb.ReadableStream;
+            /**
+             * Returns whether the stream was destroyed or errored before emitting `'end'`.
+             * @since v16.8.0
+             * @experimental
+             */
+            readonly readableAborted: boolean;
+            /**
+             * Is `true` if it is safe to call `readable.read()`, which means
+             * the stream has not been destroyed or emitted `'error'` or `'end'`.
+             * @since v11.4.0
+             */
+            readable: boolean;
+            /**
+             * Returns whether `'data'` has been emitted.
+             * @since v16.7.0, v14.18.0
+             * @experimental
+             */
+            readonly readableDidRead: boolean;
+            /**
+             * Getter for the property `encoding` of a given `Readable` stream. The `encoding`property can be set using the `readable.setEncoding()` method.
+             * @since v12.7.0
+             */
+            readonly readableEncoding: BufferEncoding | null;
+            /**
+             * Becomes `true` when `'end'` event is emitted.
+             * @since v12.9.0
+             */
+            readonly readableEnded: boolean;
+            /**
+             * This property reflects the current state of a `Readable` stream as described
+             * in the `Three states` section.
+             * @since v9.4.0
+             */
+            readonly readableFlowing: boolean | null;
+            /**
+             * Returns the value of `highWaterMark` passed when creating this `Readable`.
+             * @since v9.3.0
+             */
+            readonly readableHighWaterMark: number;
+            /**
+             * This property contains the number of bytes (or objects) in the queue
+             * ready to be read. The value provides introspection data regarding
+             * the status of the `highWaterMark`.
+             * @since v9.4.0
+             */
+            readonly readableLength: number;
+            /**
+             * Getter for the property `objectMode` of a given `Readable` stream.
+             * @since v12.3.0
+             */
+            readonly readableObjectMode: boolean;
+            /**
+             * Is `true` after `readable.destroy()` has been called.
+             * @since v18.0.0
+             */
+            destroyed: boolean;
+            /**
+             * Is true after 'close' has been emitted.
+             * @since v8.0.0
+             */
+            readonly closed: boolean;
+            /**
+             * Returns error if the stream has been destroyed with an error.
+             * @since v18.0.0
+             */
+            readonly errored: Error | null;
+            constructor(opts?: ReadableOptions);
+            _construct?(callback: (error?: Error | null) => void): void;
+            _read(size: number): void;
+            /**
+             * The `readable.read()` method reads data out of the internal buffer and
+             * returns it. If no data is available to be read, `null` is returned. By default,
+             * the data is returned as a `Buffer` object unless an encoding has been
+             * specified using the `readable.setEncoding()` method or the stream is operating
+             * in object mode.
+             *
+             * The optional `size` argument specifies a specific number of bytes to read. If`size` bytes are not available to be read, `null` will be returned _unless_the stream has ended, in which
+             * case all of the data remaining in the internal
+             * buffer will be returned.
+             *
+             * If the `size` argument is not specified, all of the data contained in the
+             * internal buffer will be returned.
+             *
+             * The `size` argument must be less than or equal to 1 GiB.
+             *
+             * The `readable.read()` method should only be called on `Readable` streams
+             * operating in paused mode. In flowing mode, `readable.read()` is called
+             * automatically until the internal buffer is fully drained.
+             *
+             * ```js
+             * const readable = getReadableStreamSomehow();
+             *
+             * // 'readable' may be triggered multiple times as data is buffered in
+             * readable.on('readable', () => {
+             *   let chunk;
+             *   console.log('Stream is readable (new data received in buffer)');
+             *   // Use a loop to make sure we read all currently available data
+             *   while (null !== (chunk = readable.read())) {
+             *     console.log(`Read ${chunk.length} bytes of data...`);
+             *   }
+             * });
+             *
+             * // 'end' will be triggered once when there is no more data available
+             * readable.on('end', () => {
+             *   console.log('Reached end of stream.');
+             * });
+             * ```
+             *
+             * Each call to `readable.read()` returns a chunk of data, or `null`. The chunks
+             * are not concatenated. A `while` loop is necessary to consume all data
+             * currently in the buffer. When reading a large file `.read()` may return `null`,
+             * having consumed all buffered content so far, but there is still more data to
+             * come not yet buffered. In this case a new `'readable'` event will be emitted
+             * when there is more data in the buffer. Finally the `'end'` event will be
+             * emitted when there is no more data to come.
+             *
+             * Therefore to read a file's whole contents from a `readable`, it is necessary
+             * to collect chunks across multiple `'readable'` events:
+             *
+             * ```js
+             * const chunks = [];
+             *
+             * readable.on('readable', () => {
+             *   let chunk;
+             *   while (null !== (chunk = readable.read())) {
+             *     chunks.push(chunk);
+             *   }
+             * });
+             *
+             * readable.on('end', () => {
+             *   const content = chunks.join('');
+             * });
+             * ```
+             *
+             * A `Readable` stream in object mode will always return a single item from
+             * a call to `readable.read(size)`, regardless of the value of the`size` argument.
+             *
+             * If the `readable.read()` method returns a chunk of data, a `'data'` event will
+             * also be emitted.
+             *
+             * Calling {@link read} after the `'end'` event has
+             * been emitted will return `null`. No runtime error will be raised.
+             * @since v0.9.4
+             * @param size Optional argument to specify how much data to read.
+             */
+            read(size?: number): any;
+            /**
+             * The `readable.setEncoding()` method sets the character encoding for
+             * data read from the `Readable` stream.
+             *
+             * By default, no encoding is assigned and stream data will be returned as`Buffer` objects. Setting an encoding causes the stream data
+             * to be returned as strings of the specified encoding rather than as `Buffer`objects. For instance, calling `readable.setEncoding('utf8')` will cause the
+             * output data to be interpreted as UTF-8 data, and passed as strings. Calling`readable.setEncoding('hex')` will cause the data to be encoded in hexadecimal
+             * string format.
+             *
+             * The `Readable` stream will properly handle multi-byte characters delivered
+             * through the stream that would otherwise become improperly decoded if simply
+             * pulled from the stream as `Buffer` objects.
+             *
+             * ```js
+             * const readable = getReadableStreamSomehow();
+             * readable.setEncoding('utf8');
+             * readable.on('data', (chunk) => {
+             *   assert.equal(typeof chunk, 'string');
+             *   console.log('Got %d characters of string data:', chunk.length);
+             * });
+             * ```
+             * @since v0.9.4
+             * @param encoding The encoding to use.
+             */
+            setEncoding(encoding: BufferEncoding): this;
+            /**
+             * The `readable.pause()` method will cause a stream in flowing mode to stop
+             * emitting `'data'` events, switching out of flowing mode. Any data that
+             * becomes available will remain in the internal buffer.
+             *
+             * ```js
+             * const readable = getReadableStreamSomehow();
+             * readable.on('data', (chunk) => {
+             *   console.log(`Received ${chunk.length} bytes of data.`);
+             *   readable.pause();
+             *   console.log('There will be no additional data for 1 second.');
+             *   setTimeout(() => {
+             *     console.log('Now data will start flowing again.');
+             *     readable.resume();
+             *   }, 1000);
+             * });
+             * ```
+             *
+             * The `readable.pause()` method has no effect if there is a `'readable'`event listener.
+             * @since v0.9.4
+             */
+            pause(): this;
+            /**
+             * The `readable.resume()` method causes an explicitly paused `Readable` stream to
+             * resume emitting `'data'` events, switching the stream into flowing mode.
+             *
+             * The `readable.resume()` method can be used to fully consume the data from a
+             * stream without actually processing any of that data:
+             *
+             * ```js
+             * getReadableStreamSomehow()
+             *   .resume()
+             *   .on('end', () => {
+             *     console.log('Reached the end, but did not read anything.');
+             *   });
+             * ```
+             *
+             * The `readable.resume()` method has no effect if there is a `'readable'`event listener.
+             * @since v0.9.4
+             */
+            resume(): this;
+            /**
+             * The `readable.isPaused()` method returns the current operating state of the`Readable`. This is used primarily by the mechanism that underlies the`readable.pipe()` method. In most
+             * typical cases, there will be no reason to
+             * use this method directly.
+             *
+             * ```js
+             * const readable = new stream.Readable();
+             *
+             * readable.isPaused(); // === false
+             * readable.pause();
+             * readable.isPaused(); // === true
+             * readable.resume();
+             * readable.isPaused(); // === false
+             * ```
+             * @since v0.11.14
+             */
+            isPaused(): boolean;
+            /**
+             * The `readable.unpipe()` method detaches a `Writable` stream previously attached
+             * using the {@link pipe} method.
+             *
+             * If the `destination` is not specified, then _all_ pipes are detached.
+             *
+             * If the `destination` is specified, but no pipe is set up for it, then
+             * the method does nothing.
+             *
+             * ```js
+             * const fs = require('fs');
+             * const readable = getReadableStreamSomehow();
+             * const writable = fs.createWriteStream('file.txt');
+             * // All the data from readable goes into 'file.txt',
+             * // but only for the first second.
+             * readable.pipe(writable);
+             * setTimeout(() => {
+             *   console.log('Stop writing to file.txt.');
+             *   readable.unpipe(writable);
+             *   console.log('Manually close the file stream.');
+             *   writable.end();
+             * }, 1000);
+             * ```
+             * @since v0.9.4
+             * @param destination Optional specific stream to unpipe
+             */
+            unpipe(destination?: NodeJS.WritableStream): this;
+            /**
+             * Passing `chunk` as `null` signals the end of the stream (EOF) and behaves the
+             * same as `readable.push(null)`, after which no more data can be written. The EOF
+             * signal is put at the end of the buffer and any buffered data will still be
+             * flushed.
+             *
+             * The `readable.unshift()` method pushes a chunk of data back into the internal
+             * buffer. This is useful in certain situations where a stream is being consumed by
+             * code that needs to "un-consume" some amount of data that it has optimistically
+             * pulled out of the source, so that the data can be passed on to some other party.
+             *
+             * The `stream.unshift(chunk)` method cannot be called after the `'end'` event
+             * has been emitted or a runtime error will be thrown.
+             *
+             * Developers using `stream.unshift()` often should consider switching to
+             * use of a `Transform` stream instead. See the `API for stream implementers` section for more information.
+             *
+             * ```js
+             * // Pull off a header delimited by \n\n.
+             * // Use unshift() if we get too much.
+             * // Call the callback with (error, header, stream).
+             * const { StringDecoder } = require('string_decoder');
+             * function parseHeader(stream, callback) {
+             *   stream.on('error', callback);
+             *   stream.on('readable', onReadable);
+             *   const decoder = new StringDecoder('utf8');
+             *   let header = '';
+             *   function onReadable() {
+             *     let chunk;
+             *     while (null !== (chunk = stream.read())) {
+             *       const str = decoder.write(chunk);
+             *       if (str.includes('\n\n')) {
+             *         // Found the header boundary.
+             *         const split = str.split(/\n\n/);
+             *         header += split.shift();
+             *         const remaining = split.join('\n\n');
+             *         const buf = Buffer.from(remaining, 'utf8');
+             *         stream.removeListener('error', callback);
+             *         // Remove the 'readable' listener before unshifting.
+             *         stream.removeListener('readable', onReadable);
+             *         if (buf.length)
+             *           stream.unshift(buf);
+             *         // Now the body of the message can be read from the stream.
+             *         callback(null, header, stream);
+             *         return;
+             *       }
+             *       // Still reading the header.
+             *       header += str;
+             *     }
+             *   }
+             * }
+             * ```
+             *
+             * Unlike {@link push}, `stream.unshift(chunk)` will not
+             * end the reading process by resetting the internal reading state of the stream.
+             * This can cause unexpected results if `readable.unshift()` is called during a
+             * read (i.e. from within a {@link _read} implementation on a
+             * custom stream). Following the call to `readable.unshift()` with an immediate {@link push} will reset the reading state appropriately,
+             * however it is best to simply avoid calling `readable.unshift()` while in the
+             * process of performing a read.
+             * @since v0.9.11
+             * @param chunk Chunk of data to unshift onto the read queue. For streams not operating in object mode, `chunk` must be a string, `Buffer`, `Uint8Array` or `null`. For object mode
+             * streams, `chunk` may be any JavaScript value.
+             * @param encoding Encoding of string chunks. Must be a valid `Buffer` encoding, such as `'utf8'` or `'ascii'`.
+             */
+            unshift(chunk: any, encoding?: BufferEncoding): void;
+            /**
+             * Prior to Node.js 0.10, streams did not implement the entire `stream` module API
+             * as it is currently defined. (See `Compatibility` for more information.)
+             *
+             * When using an older Node.js library that emits `'data'` events and has a {@link pause} method that is advisory only, the`readable.wrap()` method can be used to create a `Readable`
+             * stream that uses
+             * the old stream as its data source.
+             *
+             * It will rarely be necessary to use `readable.wrap()` but the method has been
+             * provided as a convenience for interacting with older Node.js applications and
+             * libraries.
+             *
+             * ```js
+             * const { OldReader } = require('./old-api-module.js');
+             * const { Readable } = require('stream');
+             * const oreader = new OldReader();
+             * const myReader = new Readable().wrap(oreader);
+             *
+             * myReader.on('readable', () => {
+             *   myReader.read(); // etc.
+             * });
+             * ```
+             * @since v0.9.4
+             * @param stream An "old style" readable stream
+             */
+            wrap(stream: NodeJS.ReadableStream): this;
+            push(chunk: any, encoding?: BufferEncoding): boolean;
+            _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
+            /**
+             * Destroy the stream. Optionally emit an `'error'` event, and emit a `'close'`event (unless `emitClose` is set to `false`). After this call, the readable
+             * stream will release any internal resources and subsequent calls to `push()`will be ignored.
+             *
+             * Once `destroy()` has been called any further calls will be a no-op and no
+             * further errors except from `_destroy()` may be emitted as `'error'`.
+             *
+             * Implementors should not override this method, but instead implement `readable._destroy()`.
+             * @since v8.0.0
+             * @param error Error which will be passed as payload in `'error'` event
+             */
+            destroy(error?: Error): this;
+            /**
+             * Event emitter
+             * The defined events on documents including:
+             * 1. close
+             * 2. data
+             * 3. end
+             * 4. error
+             * 5. pause
+             * 6. readable
+             * 7. resume
+             */
+            addListener(event: 'close', listener: () => void): this;
+            addListener(event: 'data', listener: (chunk: any) => void): this;
+            addListener(event: 'end', listener: () => void): this;
+            addListener(event: 'error', listener: (err: Error) => void): this;
+            addListener(event: 'pause', listener: () => void): this;
+            addListener(event: 'readable', listener: () => void): this;
+            addListener(event: 'resume', listener: () => void): this;
+            addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            emit(event: 'close'): boolean;
+            emit(event: 'data', chunk: any): boolean;
+            emit(event: 'end'): boolean;
+            emit(event: 'error', err: Error): boolean;
+            emit(event: 'pause'): boolean;
+            emit(event: 'readable'): boolean;
+            emit(event: 'resume'): boolean;
+            emit(event: string | symbol, ...args: any[]): boolean;
+            on(event: 'close', listener: () => void): this;
+            on(event: 'data', listener: (chunk: any) => void): this;
+            on(event: 'end', listener: () => void): this;
+            on(event: 'error', listener: (err: Error) => void): this;
+            on(event: 'pause', listener: () => void): this;
+            on(event: 'readable', listener: () => void): this;
+            on(event: 'resume', listener: () => void): this;
+            on(event: string | symbol, listener: (...args: any[]) => void): this;
+            once(event: 'close', listener: () => void): this;
+            once(event: 'data', listener: (chunk: any) => void): this;
+            once(event: 'end', listener: () => void): this;
+            once(event: 'error', listener: (err: Error) => void): this;
+            once(event: 'pause', listener: () => void): this;
+            once(event: 'readable', listener: () => void): this;
+            once(event: 'resume', listener: () => void): this;
+            once(event: string | symbol, listener: (...args: any[]) => void): this;
+            prependListener(event: 'close', listener: () => void): this;
+            prependListener(event: 'data', listener: (chunk: any) => void): this;
+            prependListener(event: 'end', listener: () => void): this;
+            prependListener(event: 'error', listener: (err: Error) => void): this;
+            prependListener(event: 'pause', listener: () => void): this;
+            prependListener(event: 'readable', listener: () => void): this;
+            prependListener(event: 'resume', listener: () => void): this;
+            prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            prependOnceListener(event: 'close', listener: () => void): this;
+            prependOnceListener(event: 'data', listener: (chunk: any) => void): this;
+            prependOnceListener(event: 'end', listener: () => void): this;
+            prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+            prependOnceListener(event: 'pause', listener: () => void): this;
+            prependOnceListener(event: 'readable', listener: () => void): this;
+            prependOnceListener(event: 'resume', listener: () => void): this;
+            prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            removeListener(event: 'close', listener: () => void): this;
+            removeListener(event: 'data', listener: (chunk: any) => void): this;
+            removeListener(event: 'end', listener: () => void): this;
+            removeListener(event: 'error', listener: (err: Error) => void): this;
+            removeListener(event: 'pause', listener: () => void): this;
+            removeListener(event: 'readable', listener: () => void): this;
+            removeListener(event: 'resume', listener: () => void): this;
+            removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            [Symbol.asyncIterator](): AsyncIterableIterator<any>;
+        }
+        interface WritableOptions extends StreamOptions<Writable> {
+            decodeStrings?: boolean | undefined;
+            defaultEncoding?: BufferEncoding | undefined;
+            write?(this: Writable, chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
+            writev?(
+                this: Writable,
+                chunks: Array<{
+                    chunk: any;
+                    encoding: BufferEncoding;
+                }>,
+                callback: (error?: Error | null) => void
+            ): void;
+            final?(this: Writable, callback: (error?: Error | null) => void): void;
+        }
+        /**
+         * @since v0.9.4
+         */
+        class Writable extends Stream implements NodeJS.WritableStream {
+            /**
+             * A utility method for creating a `Writable` from a web `WritableStream`.
+             * @since v17.0.0
+             * @experimental
+             */
+            static fromWeb(writableStream: streamWeb.WritableStream, options?: Pick<WritableOptions, 'decodeStrings' | 'highWaterMark' | 'objectMode' | 'signal'>): Writable;
+            /**
+             * A utility method for creating a web `WritableStream` from a `Writable`.
+             * @since v17.0.0
+             * @experimental
+             */
+            static toWeb(streamWritable: Writable): streamWeb.WritableStream;
+            /**
+             * Is `true` if it is safe to call `writable.write()`, which means
+             * the stream has not been destroyed, errored or ended.
+             * @since v11.4.0
+             */
+            readonly writable: boolean;
+            /**
+             * Is `true` after `writable.end()` has been called. This property
+             * does not indicate whether the data has been flushed, for this use `writable.writableFinished` instead.
+             * @since v12.9.0
+             */
+            readonly writableEnded: boolean;
+            /**
+             * Is set to `true` immediately before the `'finish'` event is emitted.
+             * @since v12.6.0
+             */
+            readonly writableFinished: boolean;
+            /**
+             * Return the value of `highWaterMark` passed when creating this `Writable`.
+             * @since v9.3.0
+             */
+            readonly writableHighWaterMark: number;
+            /**
+             * This property contains the number of bytes (or objects) in the queue
+             * ready to be written. The value provides introspection data regarding
+             * the status of the `highWaterMark`.
+             * @since v9.4.0
+             */
+            readonly writableLength: number;
+            /**
+             * Getter for the property `objectMode` of a given `Writable` stream.
+             * @since v12.3.0
+             */
+            readonly writableObjectMode: boolean;
+            /**
+             * Number of times `writable.uncork()` needs to be
+             * called in order to fully uncork the stream.
+             * @since v13.2.0, v12.16.0
+             */
+            readonly writableCorked: number;
+            /**
+             * Is `true` after `writable.destroy()` has been called.
+             * @since v8.0.0
+             */
+            destroyed: boolean;
+            /**
+             * Is true after 'close' has been emitted.
+             * @since v8.0.0
+             */
+            readonly closed: boolean;
+            /**
+             * Returns error if the stream has been destroyed with an error.
+             * @since v18.0.0
+             */
+            readonly errored: Error | null;
+            /**
+             * Is `true` if the stream's buffer has been full and stream will emit 'drain'.
+             * @since v15.2.0, v14.17.0
+             */
+            readonly writableNeedDrain: boolean;
+            constructor(opts?: WritableOptions);
+            _write(chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
+            _writev?(
+                chunks: Array<{
+                    chunk: any;
+                    encoding: BufferEncoding;
+                }>,
+                callback: (error?: Error | null) => void
+            ): void;
+            _construct?(callback: (error?: Error | null) => void): void;
+            _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
+            _final(callback: (error?: Error | null) => void): void;
+            /**
+             * The `writable.write()` method writes some data to the stream, and calls the
+             * supplied `callback` once the data has been fully handled. If an error
+             * occurs, the `callback` will be called with the error as its
+             * first argument. The `callback` is called asynchronously and before `'error'` is
+             * emitted.
+             *
+             * The return value is `true` if the internal buffer is less than the`highWaterMark` configured when the stream was created after admitting `chunk`.
+             * If `false` is returned, further attempts to write data to the stream should
+             * stop until the `'drain'` event is emitted.
+             *
+             * While a stream is not draining, calls to `write()` will buffer `chunk`, and
+             * return false. Once all currently buffered chunks are drained (accepted for
+             * delivery by the operating system), the `'drain'` event will be emitted.
+             * Once `write()` returns false, do not write more chunks
+             * until the `'drain'` event is emitted. While calling `write()` on a stream that
+             * is not draining is allowed, Node.js will buffer all written chunks until
+             * maximum memory usage occurs, at which point it will abort unconditionally.
+             * Even before it aborts, high memory usage will cause poor garbage collector
+             * performance and high RSS (which is not typically released back to the system,
+             * even after the memory is no longer required). Since TCP sockets may never
+             * drain if the remote peer does not read the data, writing a socket that is
+             * not draining may lead to a remotely exploitable vulnerability.
+             *
+             * Writing data while the stream is not draining is particularly
+             * problematic for a `Transform`, because the `Transform` streams are paused
+             * by default until they are piped or a `'data'` or `'readable'` event handler
+             * is added.
+             *
+             * If the data to be written can be generated or fetched on demand, it is
+             * recommended to encapsulate the logic into a `Readable` and use {@link pipe}. However, if calling `write()` is preferred, it is
+             * possible to respect backpressure and avoid memory issues using the `'drain'` event:
+             *
+             * ```js
+             * function write(data, cb) {
+             *   if (!stream.write(data)) {
+             *     stream.once('drain', cb);
+             *   } else {
+             *     process.nextTick(cb);
+             *   }
+             * }
+             *
+             * // Wait for cb to be called before doing any other write.
+             * write('hello', () => {
+             *   console.log('Write completed, do more writes now.');
+             * });
+             * ```
+             *
+             * A `Writable` stream in object mode will always ignore the `encoding` argument.
+             * @since v0.9.4
+             * @param chunk Optional data to write. For streams not operating in object mode, `chunk` must be a string, `Buffer` or `Uint8Array`. For object mode streams, `chunk` may be any
+             * JavaScript value other than `null`.
+             * @param [encoding='utf8'] The encoding, if `chunk` is a string.
+             * @param callback Callback for when this chunk of data is flushed.
+             * @return `false` if the stream wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+             */
+            write(chunk: any, callback?: (error: Error | null | undefined) => void): boolean;
+            write(chunk: any, encoding: BufferEncoding, callback?: (error: Error | null | undefined) => void): boolean;
+            /**
+             * The `writable.setDefaultEncoding()` method sets the default `encoding` for a `Writable` stream.
+             * @since v0.11.15
+             * @param encoding The new default encoding
+             */
+            setDefaultEncoding(encoding: BufferEncoding): this;
+            /**
+             * Calling the `writable.end()` method signals that no more data will be written
+             * to the `Writable`. The optional `chunk` and `encoding` arguments allow one
+             * final additional chunk of data to be written immediately before closing the
+             * stream.
+             *
+             * Calling the {@link write} method after calling {@link end} will raise an error.
+             *
+             * ```js
+             * // Write 'hello, ' and then end with 'world!'.
+             * const fs = require('fs');
+             * const file = fs.createWriteStream('example.txt');
+             * file.write('hello, ');
+             * file.end('world!');
+             * // Writing more now is not allowed!
+             * ```
+             * @since v0.9.4
+             * @param chunk Optional data to write. For streams not operating in object mode, `chunk` must be a string, `Buffer` or `Uint8Array`. For object mode streams, `chunk` may be any
+             * JavaScript value other than `null`.
+             * @param encoding The encoding if `chunk` is a string
+             * @param callback Callback for when the stream is finished.
+             */
+            end(cb?: () => void): this;
+            end(chunk: any, cb?: () => void): this;
+            end(chunk: any, encoding: BufferEncoding, cb?: () => void): this;
+            /**
+             * The `writable.cork()` method forces all written data to be buffered in memory.
+             * The buffered data will be flushed when either the {@link uncork} or {@link end} methods are called.
+             *
+             * The primary intent of `writable.cork()` is to accommodate a situation in which
+             * several small chunks are written to the stream in rapid succession. Instead of
+             * immediately forwarding them to the underlying destination, `writable.cork()`buffers all the chunks until `writable.uncork()` is called, which will pass them
+             * all to `writable._writev()`, if present. This prevents a head-of-line blocking
+             * situation where data is being buffered while waiting for the first small chunk
+             * to be processed. However, use of `writable.cork()` without implementing`writable._writev()` may have an adverse effect on throughput.
+             *
+             * See also: `writable.uncork()`, `writable._writev()`.
+             * @since v0.11.2
+             */
+            cork(): void;
+            /**
+             * The `writable.uncork()` method flushes all data buffered since {@link cork} was called.
+             *
+             * When using `writable.cork()` and `writable.uncork()` to manage the buffering
+             * of writes to a stream, defer calls to `writable.uncork()` using`process.nextTick()`. Doing so allows batching of all`writable.write()` calls that occur within a given Node.js event
+             * loop phase.
+             *
+             * ```js
+             * stream.cork();
+             * stream.write('some ');
+             * stream.write('data ');
+             * process.nextTick(() => stream.uncork());
+             * ```
+             *
+             * If the `writable.cork()` method is called multiple times on a stream, the
+             * same number of calls to `writable.uncork()` must be called to flush the buffered
+             * data.
+             *
+             * ```js
+             * stream.cork();
+             * stream.write('some ');
+             * stream.cork();
+             * stream.write('data ');
+             * process.nextTick(() => {
+             *   stream.uncork();
+             *   // The data will not be flushed until uncork() is called a second time.
+             *   stream.uncork();
+             * });
+             * ```
+             *
+             * See also: `writable.cork()`.
+             * @since v0.11.2
+             */
+            uncork(): void;
+            /**
+             * Destroy the stream. Optionally emit an `'error'` event, and emit a `'close'`event (unless `emitClose` is set to `false`). After this call, the writable
+             * stream has ended and subsequent calls to `write()` or `end()` will result in
+             * an `ERR_STREAM_DESTROYED` error.
+             * This is a destructive and immediate way to destroy a stream. Previous calls to`write()` may not have drained, and may trigger an `ERR_STREAM_DESTROYED` error.
+             * Use `end()` instead of destroy if data should flush before close, or wait for
+             * the `'drain'` event before destroying the stream.
+             *
+             * Once `destroy()` has been called any further calls will be a no-op and no
+             * further errors except from `_destroy()` may be emitted as `'error'`.
+             *
+             * Implementors should not override this method,
+             * but instead implement `writable._destroy()`.
+             * @since v8.0.0
+             * @param error Optional, an error to emit with `'error'` event.
+             */
+            destroy(error?: Error): this;
+            /**
+             * Event emitter
+             * The defined events on documents including:
+             * 1. close
+             * 2. drain
+             * 3. error
+             * 4. finish
+             * 5. pipe
+             * 6. unpipe
+             */
+            addListener(event: 'close', listener: () => void): this;
+            addListener(event: 'drain', listener: () => void): this;
+            addListener(event: 'error', listener: (err: Error) => void): this;
+            addListener(event: 'finish', listener: () => void): this;
+            addListener(event: 'pipe', listener: (src: Readable) => void): this;
+            addListener(event: 'unpipe', listener: (src: Readable) => void): this;
+            addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            emit(event: 'close'): boolean;
+            emit(event: 'drain'): boolean;
+            emit(event: 'error', err: Error): boolean;
+            emit(event: 'finish'): boolean;
+            emit(event: 'pipe', src: Readable): boolean;
+            emit(event: 'unpipe', src: Readable): boolean;
+            emit(event: string | symbol, ...args: any[]): boolean;
+            on(event: 'close', listener: () => void): this;
+            on(event: 'drain', listener: () => void): this;
+            on(event: 'error', listener: (err: Error) => void): this;
+            on(event: 'finish', listener: () => void): this;
+            on(event: 'pipe', listener: (src: Readable) => void): this;
+            on(event: 'unpipe', listener: (src: Readable) => void): this;
+            on(event: string | symbol, listener: (...args: any[]) => void): this;
+            once(event: 'close', listener: () => void): this;
+            once(event: 'drain', listener: () => void): this;
+            once(event: 'error', listener: (err: Error) => void): this;
+            once(event: 'finish', listener: () => void): this;
+            once(event: 'pipe', listener: (src: Readable) => void): this;
+            once(event: 'unpipe', listener: (src: Readable) => void): this;
+            once(event: string | symbol, listener: (...args: any[]) => void): this;
+            prependListener(event: 'close', listener: () => void): this;
+            prependListener(event: 'drain', listener: () => void): this;
+            prependListener(event: 'error', listener: (err: Error) => void): this;
+            prependListener(event: 'finish', listener: () => void): this;
+            prependListener(event: 'pipe', listener: (src: Readable) => void): this;
+            prependListener(event: 'unpipe', listener: (src: Readable) => void): this;
+            prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            prependOnceListener(event: 'close', listener: () => void): this;
+            prependOnceListener(event: 'drain', listener: () => void): this;
+            prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+            prependOnceListener(event: 'finish', listener: () => void): this;
+            prependOnceListener(event: 'pipe', listener: (src: Readable) => void): this;
+            prependOnceListener(event: 'unpipe', listener: (src: Readable) => void): this;
+            prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+            removeListener(event: 'close', listener: () => void): this;
+            removeListener(event: 'drain', listener: () => void): this;
+            removeListener(event: 'error', listener: (err: Error) => void): this;
+            removeListener(event: 'finish', listener: () => void): this;
+            removeListener(event: 'pipe', listener: (src: Readable) => void): this;
+            removeListener(event: 'unpipe', listener: (src: Readable) => void): this;
+            removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        }
+        interface DuplexOptions extends ReadableOptions, WritableOptions {
+            allowHalfOpen?: boolean | undefined;
+            readableObjectMode?: boolean | undefined;
+            writableObjectMode?: boolean | undefined;
+            readableHighWaterMark?: number | undefined;
+            writableHighWaterMark?: number | undefined;
+            writableCorked?: number | undefined;
+            construct?(this: Duplex, callback: (error?: Error | null) => void): void;
+            read?(this: Duplex, size: number): void;
+            write?(this: Duplex, chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
+            writev?(
+                this: Duplex,
+                chunks: Array<{
+                    chunk: any;
+                    encoding: BufferEncoding;
+                }>,
+                callback: (error?: Error | null) => void
+            ): void;
+            final?(this: Duplex, callback: (error?: Error | null) => void): void;
+            destroy?(this: Duplex, error: Error | null, callback: (error: Error | null) => void): void;
+        }
+        /**
+         * Duplex streams are streams that implement both the `Readable` and `Writable` interfaces.
+         *
+         * Examples of `Duplex` streams include:
+         *
+         * * `TCP sockets`
+         * * `zlib streams`
+         * * `crypto streams`
+         * @since v0.9.4
+         */
+        class Duplex extends Readable implements Writable {
+            readonly writable: boolean;
+            readonly writableEnded: boolean;
+            readonly writableFinished: boolean;
+            readonly writableHighWaterMark: number;
+            readonly writableLength: number;
+            readonly writableObjectMode: boolean;
+            readonly writableCorked: number;
+            readonly writableNeedDrain: boolean;
+            readonly closed: boolean;
+            readonly errored: Error | null;
+            /**
+             * If `false` then the stream will automatically end the writable side when the
+             * readable side ends. Set initially by the `allowHalfOpen` constructor option,
+             * which defaults to `false`.
+             *
+             * This can be changed manually to change the half-open behavior of an existing`Duplex` stream instance, but must be changed before the `'end'` event is
+             * emitted.
+             * @since v0.9.4
+             */
+            allowHalfOpen: boolean;
+            constructor(opts?: DuplexOptions);
+            /**
+             * A utility method for creating duplex streams.
+             *
+             * - `Stream` converts writable stream into writable `Duplex` and readable stream
+             *   to `Duplex`.
+             * - `Blob` converts into readable `Duplex`.
+             * - `string` converts into readable `Duplex`.
+             * - `ArrayBuffer` converts into readable `Duplex`.
+             * - `AsyncIterable` converts into a readable `Duplex`. Cannot yield `null`.
+             * - `AsyncGeneratorFunction` converts into a readable/writable transform
+             *   `Duplex`. Must take a source `AsyncIterable` as first parameter. Cannot yield
+             *   `null`.
+             * - `AsyncFunction` converts into a writable `Duplex`. Must return
+             *   either `null` or `undefined`
+             * - `Object ({ writable, readable })` converts `readable` and
+             *   `writable` into `Stream` and then combines them into `Duplex` where the
+             *   `Duplex` will write to the `writable` and read from the `readable`.
+             * - `Promise` converts into readable `Duplex`. Value `null` is ignored.
+             *
+             * @since v16.8.0
+             */
+            static from(src: Stream | Blob | ArrayBuffer | string | Iterable<any> | AsyncIterable<any> | AsyncGeneratorFunction | Promise<any> | Object): Duplex;
+            _write(chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
+            _writev?(
+                chunks: Array<{
+                    chunk: any;
+                    encoding: BufferEncoding;
+                }>,
+                callback: (error?: Error | null) => void
+            ): void;
+            _destroy(error: Error | null, callback: (error: Error | null) => void): void;
+            _final(callback: (error?: Error | null) => void): void;
+            write(chunk: any, encoding?: BufferEncoding, cb?: (error: Error | null | undefined) => void): boolean;
+            write(chunk: any, cb?: (error: Error | null | undefined) => void): boolean;
+            setDefaultEncoding(encoding: BufferEncoding): this;
+            end(cb?: () => void): this;
+            end(chunk: any, cb?: () => void): this;
+            end(chunk: any, encoding?: BufferEncoding, cb?: () => void): this;
+            cork(): void;
+            uncork(): void;
+        }
+        type TransformCallback = (error?: Error | null, data?: any) => void;
+        interface TransformOptions extends DuplexOptions {
+            construct?(this: Transform, callback: (error?: Error | null) => void): void;
+            read?(this: Transform, size: number): void;
+            write?(this: Transform, chunk: any, encoding: BufferEncoding, callback: (error?: Error | null) => void): void;
+            writev?(
+                this: Transform,
+                chunks: Array<{
+                    chunk: any;
+                    encoding: BufferEncoding;
+                }>,
+                callback: (error?: Error | null) => void
+            ): void;
+            final?(this: Transform, callback: (error?: Error | null) => void): void;
+            destroy?(this: Transform, error: Error | null, callback: (error: Error | null) => void): void;
+            transform?(this: Transform, chunk: any, encoding: BufferEncoding, callback: TransformCallback): void;
+            flush?(this: Transform, callback: TransformCallback): void;
+        }
+        /**
+         * Transform streams are `Duplex` streams where the output is in some way
+         * related to the input. Like all `Duplex` streams, `Transform` streams
+         * implement both the `Readable` and `Writable` interfaces.
+         *
+         * Examples of `Transform` streams include:
+         *
+         * * `zlib streams`
+         * * `crypto streams`
+         * @since v0.9.4
+         */
+        class Transform extends Duplex {
+            constructor(opts?: TransformOptions);
+            _transform(chunk: any, encoding: BufferEncoding, callback: TransformCallback): void;
+            _flush(callback: TransformCallback): void;
+        }
+        /**
+         * The `stream.PassThrough` class is a trivial implementation of a `Transform` stream that simply passes the input bytes across to the output. Its purpose is
+         * primarily for examples and testing, but there are some use cases where`stream.PassThrough` is useful as a building block for novel sorts of streams.
+         */
+        class PassThrough extends Transform {}
+        /**
+         * Attaches an AbortSignal to a readable or writeable stream. This lets code
+         * control stream destruction using an `AbortController`.
+         *
+         * Calling `abort` on the `AbortController` corresponding to the passed`AbortSignal` will behave the same way as calling `.destroy(new AbortError())`on the stream.
+         *
+         * ```js
+         * const fs = require('fs');
+         *
+         * const controller = new AbortController();
+         * const read = addAbortSignal(
+         *   controller.signal,
+         *   fs.createReadStream(('object.json'))
+         * );
+         * // Later, abort the operation closing the stream
+         * controller.abort();
+         * ```
+         *
+         * Or using an `AbortSignal` with a readable stream as an async iterable:
+         *
+         * ```js
+         * const controller = new AbortController();
+         * setTimeout(() => controller.abort(), 10_000); // set a timeout
+         * const stream = addAbortSignal(
+         *   controller.signal,
+         *   fs.createReadStream(('object.json'))
+         * );
+         * (async () => {
+         *   try {
+         *     for await (const chunk of stream) {
+         *       await process(chunk);
+         *     }
+         *   } catch (e) {
+         *     if (e.name === 'AbortError') {
+         *       // The operation was cancelled
+         *     } else {
+         *       throw e;
+         *     }
+         *   }
+         * })();
+         * ```
+         * @since v15.4.0
+         * @param signal A signal representing possible cancellation
+         * @param stream a stream to attach a signal to
+         */
+        function addAbortSignal<T extends Stream>(signal: AbortSignal, stream: T): T;
+        interface FinishedOptions extends Abortable {
+            error?: boolean | undefined;
+            readable?: boolean | undefined;
+            writable?: boolean | undefined;
+        }
+        /**
+         * A function to get notified when a stream is no longer readable, writable
+         * or has experienced an error or a premature close event.
+         *
+         * ```js
+         * const { finished } = require('stream');
+         *
+         * const rs = fs.createReadStream('archive.tar');
+         *
+         * finished(rs, (err) => {
+         *   if (err) {
+         *     console.error('Stream failed.', err);
+         *   } else {
+         *     console.log('Stream is done reading.');
+         *   }
+         * });
+         *
+         * rs.resume(); // Drain the stream.
+         * ```
+         *
+         * Especially useful in error handling scenarios where a stream is destroyed
+         * prematurely (like an aborted HTTP request), and will not emit `'end'`or `'finish'`.
+         *
+         * The `finished` API provides promise version:
+         *
+         * ```js
+         * const { finished } = require('stream/promises');
+         *
+         * const rs = fs.createReadStream('archive.tar');
+         *
+         * async function run() {
+         *   await finished(rs);
+         *   console.log('Stream is done reading.');
+         * }
+         *
+         * run().catch(console.error);
+         * rs.resume(); // Drain the stream.
+         * ```
+         *
+         * `stream.finished()` leaves dangling event listeners (in particular`'error'`, `'end'`, `'finish'` and `'close'`) after `callback` has been
+         * invoked. The reason for this is so that unexpected `'error'` events (due to
+         * incorrect stream implementations) do not cause unexpected crashes.
+         * If this is unwanted behavior then the returned cleanup function needs to be
+         * invoked in the callback:
+         *
+         * ```js
+         * const cleanup = finished(rs, (err) => {
+         *   cleanup();
+         *   // ...
+         * });
+         * ```
+         * @since v10.0.0
+         * @param stream A readable and/or writable stream.
+         * @param callback A callback function that takes an optional error argument.
+         * @return A cleanup function which removes all registered listeners.
+         */
+        function finished(stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream, options: FinishedOptions, callback: (err?: NodeJS.ErrnoException | null) => void): () => void;
+        function finished(stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream, callback: (err?: NodeJS.ErrnoException | null) => void): () => void;
+        namespace finished {
+            function __promisify__(stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream, options?: FinishedOptions): Promise<void>;
+        }
+        type PipelineSourceFunction<T> = () => Iterable<T> | AsyncIterable<T>;
+        type PipelineSource<T> = Iterable<T> | AsyncIterable<T> | NodeJS.ReadableStream | PipelineSourceFunction<T>;
+        type PipelineTransform<S extends PipelineTransformSource<any>, U> =
+            | NodeJS.ReadWriteStream
+            | ((source: S extends (...args: any[]) => Iterable<infer ST> | AsyncIterable<infer ST> ? AsyncIterable<ST> : S) => AsyncIterable<U>);
+        type PipelineTransformSource<T> = PipelineSource<T> | PipelineTransform<any, T>;
+        type PipelineDestinationIterableFunction<T> = (source: AsyncIterable<T>) => AsyncIterable<any>;
+        type PipelineDestinationPromiseFunction<T, P> = (source: AsyncIterable<T>) => Promise<P>;
+        type PipelineDestination<S extends PipelineTransformSource<any>, P> = S extends PipelineTransformSource<infer ST>
+            ? NodeJS.WritableStream | PipelineDestinationIterableFunction<ST> | PipelineDestinationPromiseFunction<ST, P>
+            : never;
+        type PipelineCallback<S extends PipelineDestination<any, any>> = S extends PipelineDestinationPromiseFunction<any, infer P>
+            ? (err: NodeJS.ErrnoException | null, value: P) => void
+            : (err: NodeJS.ErrnoException | null) => void;
+        type PipelinePromise<S extends PipelineDestination<any, any>> = S extends PipelineDestinationPromiseFunction<any, infer P> ? Promise<P> : Promise<void>;
+        interface PipelineOptions {
+            signal: AbortSignal;
+        }
+        /**
+         * A module method to pipe between streams and generators forwarding errors and
+         * properly cleaning up and provide a callback when the pipeline is complete.
+         *
+         * ```js
+         * const { pipeline } = require('stream');
+         * const fs = require('fs');
+         * const zlib = require('zlib');
+         *
+         * // Use the pipeline API to easily pipe a series of streams
+         * // together and get notified when the pipeline is fully done.
+         *
+         * // A pipeline to gzip a potentially huge tar file efficiently:
+         *
+         * pipeline(
+         *   fs.createReadStream('archive.tar'),
+         *   zlib.createGzip(),
+         *   fs.createWriteStream('archive.tar.gz'),
+         *   (err) => {
+         *     if (err) {
+         *       console.error('Pipeline failed.', err);
+         *     } else {
+         *       console.log('Pipeline succeeded.');
+         *     }
+         *   }
+         * );
+         * ```
+         *
+         * The `pipeline` API provides a promise version, which can also
+         * receive an options argument as the last parameter with a`signal` `AbortSignal` property. When the signal is aborted,`destroy` will be called on the underlying pipeline, with
+         * an`AbortError`.
+         *
+         * ```js
+         * const { pipeline } = require('stream/promises');
+         *
+         * async function run() {
+         *   await pipeline(
+         *     fs.createReadStream('archive.tar'),
+         *     zlib.createGzip(),
+         *     fs.createWriteStream('archive.tar.gz')
+         *   );
+         *   console.log('Pipeline succeeded.');
+         * }
+         *
+         * run().catch(console.error);
+         * ```
+         *
+         * To use an `AbortSignal`, pass it inside an options object,
+         * as the last argument:
+         *
+         * ```js
+         * const { pipeline } = require('stream/promises');
+         *
+         * async function run() {
+         *   const ac = new AbortController();
+         *   const signal = ac.signal;
+         *
+         *   setTimeout(() => ac.abort(), 1);
+         *   await pipeline(
+         *     fs.createReadStream('archive.tar'),
+         *     zlib.createGzip(),
+         *     fs.createWriteStream('archive.tar.gz'),
+         *     { signal },
+         *   );
+         * }
+         *
+         * run().catch(console.error); // AbortError
+         * ```
+         *
+         * The `pipeline` API also supports async generators:
+         *
+         * ```js
+         * const { pipeline } = require('stream/promises');
+         * const fs = require('fs');
+         *
+         * async function run() {
+         *   await pipeline(
+         *     fs.createReadStream('lowercase.txt'),
+         *     async function* (source, { signal }) {
+         *       source.setEncoding('utf8');  // Work with strings rather than `Buffer`s.
+         *       for await (const chunk of source) {
+         *         yield await processChunk(chunk, { signal });
+         *       }
+         *     },
+         *     fs.createWriteStream('uppercase.txt')
+         *   );
+         *   console.log('Pipeline succeeded.');
+         * }
+         *
+         * run().catch(console.error);
+         * ```
+         *
+         * Remember to handle the `signal` argument passed into the async generator.
+         * Especially in the case where the async generator is the source for the
+         * pipeline (i.e. first argument) or the pipeline will never complete.
+         *
+         * ```js
+         * const { pipeline } = require('stream/promises');
+         * const fs = require('fs');
+         *
+         * async function run() {
+         *   await pipeline(
+         *     async function* ({ signal }) {
+         *       await someLongRunningfn({ signal });
+         *       yield 'asd';
+         *     },
+         *     fs.createWriteStream('uppercase.txt')
+         *   );
+         *   console.log('Pipeline succeeded.');
+         * }
+         *
+         * run().catch(console.error);
+         * ```
+         *
+         * `stream.pipeline()` will call `stream.destroy(err)` on all streams except:
+         *
+         * * `Readable` streams which have emitted `'end'` or `'close'`.
+         * * `Writable` streams which have emitted `'finish'` or `'close'`.
+         *
+         * `stream.pipeline()` leaves dangling event listeners on the streams
+         * after the `callback` has been invoked. In the case of reuse of streams after
+         * failure, this can cause event listener leaks and swallowed errors. If the last
+         * stream is readable, dangling event listeners will be removed so that the last
+         * stream can be consumed later.
+         *
+         * `stream.pipeline()` closes all the streams when an error is raised.
+         * The `IncomingRequest` usage with `pipeline` could lead to an unexpected behavior
+         * once it would destroy the socket without sending the expected response.
+         * See the example below:
+         *
+         * ```js
+         * const fs = require('fs');
+         * const http = require('http');
+         * const { pipeline } = require('stream');
+         *
+         * const server = http.createServer((req, res) => {
+         *   const fileStream = fs.createReadStream('./fileNotExist.txt');
+         *   pipeline(fileStream, res, (err) => {
+         *     if (err) {
+         *       console.log(err); // No such file
+         *       // this message can't be sent once `pipeline` already destroyed the socket
+         *       return res.end('error!!!');
+         *     }
+         *   });
+         * });
+         * ```
+         * @since v10.0.0
+         * @param callback Called when the pipeline is fully done.
+         */
+        function pipeline<A extends PipelineSource<any>, B extends PipelineDestination<A, any>>(
+            source: A,
+            destination: B,
+            callback?: PipelineCallback<B>
+        ): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
+        function pipeline<A extends PipelineSource<any>, T1 extends PipelineTransform<A, any>, B extends PipelineDestination<T1, any>>(
+            source: A,
+            transform1: T1,
+            destination: B,
+            callback?: PipelineCallback<B>
+        ): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
+        function pipeline<A extends PipelineSource<any>, T1 extends PipelineTransform<A, any>, T2 extends PipelineTransform<T1, any>, B extends PipelineDestination<T2, any>>(
+            source: A,
+            transform1: T1,
+            transform2: T2,
+            destination: B,
+            callback?: PipelineCallback<B>
+        ): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
+        function pipeline<
+            A extends PipelineSource<any>,
+            T1 extends PipelineTransform<A, any>,
+            T2 extends PipelineTransform<T1, any>,
+            T3 extends PipelineTransform<T2, any>,
+            B extends PipelineDestination<T3, any>
+        >(source: A, transform1: T1, transform2: T2, transform3: T3, destination: B, callback?: PipelineCallback<B>): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
+        function pipeline<
+            A extends PipelineSource<any>,
+            T1 extends PipelineTransform<A, any>,
+            T2 extends PipelineTransform<T1, any>,
+            T3 extends PipelineTransform<T2, any>,
+            T4 extends PipelineTransform<T3, any>,
+            B extends PipelineDestination<T4, any>
+        >(source: A, transform1: T1, transform2: T2, transform3: T3, transform4: T4, destination: B, callback?: PipelineCallback<B>): B extends NodeJS.WritableStream ? B : NodeJS.WritableStream;
+        function pipeline(
+            streams: ReadonlyArray<NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream>,
+            callback?: (err: NodeJS.ErrnoException | null) => void
+        ): NodeJS.WritableStream;
+        function pipeline(
+            stream1: NodeJS.ReadableStream,
+            stream2: NodeJS.ReadWriteStream | NodeJS.WritableStream,
+            ...streams: Array<NodeJS.ReadWriteStream | NodeJS.WritableStream | ((err: NodeJS.ErrnoException | null) => void)>
+        ): NodeJS.WritableStream;
+        namespace pipeline {
+            function __promisify__<A extends PipelineSource<any>, B extends PipelineDestination<A, any>>(source: A, destination: B, options?: PipelineOptions): PipelinePromise<B>;
+            function __promisify__<A extends PipelineSource<any>, T1 extends PipelineTransform<A, any>, B extends PipelineDestination<T1, any>>(
+                source: A,
+                transform1: T1,
+                destination: B,
+                options?: PipelineOptions
+            ): PipelinePromise<B>;
+            function __promisify__<A extends PipelineSource<any>, T1 extends PipelineTransform<A, any>, T2 extends PipelineTransform<T1, any>, B extends PipelineDestination<T2, any>>(
+                source: A,
+                transform1: T1,
+                transform2: T2,
+                destination: B,
+                options?: PipelineOptions
+            ): PipelinePromise<B>;
+            function __promisify__<
+                A extends PipelineSource<any>,
+                T1 extends PipelineTransform<A, any>,
+                T2 extends PipelineTransform<T1, any>,
+                T3 extends PipelineTransform<T2, any>,
+                B extends PipelineDestination<T3, any>
+            >(source: A, transform1: T1, transform2: T2, transform3: T3, destination: B, options?: PipelineOptions): PipelinePromise<B>;
+            function __promisify__<
+                A extends PipelineSource<any>,
+                T1 extends PipelineTransform<A, any>,
+                T2 extends PipelineTransform<T1, any>,
+                T3 extends PipelineTransform<T2, any>,
+                T4 extends PipelineTransform<T3, any>,
+                B extends PipelineDestination<T4, any>
+            >(source: A, transform1: T1, transform2: T2, transform3: T3, transform4: T4, destination: B, options?: PipelineOptions): PipelinePromise<B>;
+            function __promisify__(streams: ReadonlyArray<NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream>, options?: PipelineOptions): Promise<void>;
+            function __promisify__(
+                stream1: NodeJS.ReadableStream,
+                stream2: NodeJS.ReadWriteStream | NodeJS.WritableStream,
+                ...streams: Array<NodeJS.ReadWriteStream | NodeJS.WritableStream | PipelineOptions>
+            ): Promise<void>;
+        }
+        interface Pipe {
+            close(): void;
+            hasRef(): boolean;
+            ref(): void;
+            unref(): void;
+        }
+
+        /**
+         * Returns whether the stream has encountered an error.
+         * @since v17.3.0
+         */
+        function isErrored(stream: Readable | Writable | NodeJS.ReadableStream | NodeJS.WritableStream): boolean;
+
+        /**
+         * Returns whether the stream is readable.
+         * @since v17.4.0
+         */
+        function isReadable(stream: Readable | NodeJS.ReadableStream): boolean;
+
+        const promises: typeof streamPromises;
+        const consumers: typeof streamConsumers;
+    }
+    export = internal;
+}
+declare module 'node:stream' {
+    import stream = require('stream');
+    export = stream;
+}
diff --git a/node_modules/@types/node/ts4.8/stream/consumers.d.ts b/node_modules/@types/node/ts4.8/stream/consumers.d.ts
new file mode 100644
index 000000000..ce6c9bb78
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/stream/consumers.d.ts
@@ -0,0 +1,24 @@
+// Duplicates of interface in lib.dom.ts.
+// Duplicated here rather than referencing lib.dom.ts because doing so causes lib.dom.ts to be loaded for "test-all"
+// Which in turn causes tests to pass that shouldn't pass.
+//
+// This interface is not, and should not be, exported.
+interface Blob {
+    readonly size: number;
+    readonly type: string;
+    arrayBuffer(): Promise<ArrayBuffer>;
+    slice(start?: number, end?: number, contentType?: string): Blob;
+    stream(): NodeJS.ReadableStream;
+    text(): Promise<string>;
+}
+declare module 'stream/consumers' {
+    import { Readable } from 'node:stream';
+    function buffer(stream: NodeJS.ReadableStream | Readable | AsyncIterator<any>): Promise<Buffer>;
+    function text(stream: NodeJS.ReadableStream | Readable | AsyncIterator<any>): Promise<string>;
+    function arrayBuffer(stream: NodeJS.ReadableStream | Readable | AsyncIterator<any>): Promise<ArrayBuffer>;
+    function blob(stream: NodeJS.ReadableStream | Readable | AsyncIterator<any>): Promise<Blob>;
+    function json(stream: NodeJS.ReadableStream | Readable | AsyncIterator<any>): Promise<unknown>;
+}
+declare module 'node:stream/consumers' {
+    export * from 'stream/consumers';
+}
diff --git a/node_modules/@types/node/ts4.8/stream/promises.d.ts b/node_modules/@types/node/ts4.8/stream/promises.d.ts
new file mode 100644
index 000000000..b427073de
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/stream/promises.d.ts
@@ -0,0 +1,42 @@
+declare module 'stream/promises' {
+    import { FinishedOptions, PipelineSource, PipelineTransform, PipelineDestination, PipelinePromise, PipelineOptions } from 'node:stream';
+    function finished(stream: NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream, options?: FinishedOptions): Promise<void>;
+    function pipeline<A extends PipelineSource<any>, B extends PipelineDestination<A, any>>(source: A, destination: B, options?: PipelineOptions): PipelinePromise<B>;
+    function pipeline<A extends PipelineSource<any>, T1 extends PipelineTransform<A, any>, B extends PipelineDestination<T1, any>>(
+        source: A,
+        transform1: T1,
+        destination: B,
+        options?: PipelineOptions
+    ): PipelinePromise<B>;
+    function pipeline<A extends PipelineSource<any>, T1 extends PipelineTransform<A, any>, T2 extends PipelineTransform<T1, any>, B extends PipelineDestination<T2, any>>(
+        source: A,
+        transform1: T1,
+        transform2: T2,
+        destination: B,
+        options?: PipelineOptions
+    ): PipelinePromise<B>;
+    function pipeline<
+        A extends PipelineSource<any>,
+        T1 extends PipelineTransform<A, any>,
+        T2 extends PipelineTransform<T1, any>,
+        T3 extends PipelineTransform<T2, any>,
+        B extends PipelineDestination<T3, any>
+    >(source: A, transform1: T1, transform2: T2, transform3: T3, destination: B, options?: PipelineOptions): PipelinePromise<B>;
+    function pipeline<
+        A extends PipelineSource<any>,
+        T1 extends PipelineTransform<A, any>,
+        T2 extends PipelineTransform<T1, any>,
+        T3 extends PipelineTransform<T2, any>,
+        T4 extends PipelineTransform<T3, any>,
+        B extends PipelineDestination<T4, any>
+    >(source: A, transform1: T1, transform2: T2, transform3: T3, transform4: T4, destination: B, options?: PipelineOptions): PipelinePromise<B>;
+    function pipeline(streams: ReadonlyArray<NodeJS.ReadableStream | NodeJS.WritableStream | NodeJS.ReadWriteStream>, options?: PipelineOptions): Promise<void>;
+    function pipeline(
+        stream1: NodeJS.ReadableStream,
+        stream2: NodeJS.ReadWriteStream | NodeJS.WritableStream,
+        ...streams: Array<NodeJS.ReadWriteStream | NodeJS.WritableStream | PipelineOptions>
+    ): Promise<void>;
+}
+declare module 'node:stream/promises' {
+    export * from 'stream/promises';
+}
diff --git a/node_modules/@types/node/ts4.8/stream/web.d.ts b/node_modules/@types/node/ts4.8/stream/web.d.ts
new file mode 100644
index 000000000..f9ef0570d
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/stream/web.d.ts
@@ -0,0 +1,330 @@
+declare module 'stream/web' {
+    // stub module, pending copy&paste from .d.ts or manual impl
+    // copy from lib.dom.d.ts
+    interface ReadableWritablePair<R = any, W = any> {
+        readable: ReadableStream<R>;
+        /**
+         * Provides a convenient, chainable way of piping this readable stream
+         * through a transform stream (or any other { writable, readable }
+         * pair). It simply pipes the stream into the writable side of the
+         * supplied pair, and returns the readable side for further use.
+         *
+         * Piping a stream will lock it for the duration of the pipe, preventing
+         * any other consumer from acquiring a reader.
+         */
+        writable: WritableStream<W>;
+    }
+    interface StreamPipeOptions {
+        preventAbort?: boolean;
+        preventCancel?: boolean;
+        /**
+         * Pipes this readable stream to a given writable stream destination.
+         * The way in which the piping process behaves under various error
+         * conditions can be customized with a number of passed options. It
+         * returns a promise that fulfills when the piping process completes
+         * successfully, or rejects if any errors were encountered.
+         *
+         * Piping a stream will lock it for the duration of the pipe, preventing
+         * any other consumer from acquiring a reader.
+         *
+         * Errors and closures of the source and destination streams propagate
+         * as follows:
+         *
+         * An error in this source readable stream will abort destination,
+         * unless preventAbort is truthy. The returned promise will be rejected
+         * with the source's error, or with any error that occurs during
+         * aborting the destination.
+         *
+         * An error in destination will cancel this source readable stream,
+         * unless preventCancel is truthy. The returned promise will be rejected
+         * with the destination's error, or with any error that occurs during
+         * canceling the source.
+         *
+         * When this source readable stream closes, destination will be closed,
+         * unless preventClose is truthy. The returned promise will be fulfilled
+         * once this process completes, unless an error is encountered while
+         * closing the destination, in which case it will be rejected with that
+         * error.
+         *
+         * If destination starts out closed or closing, this source readable
+         * stream will be canceled, unless preventCancel is true. The returned
+         * promise will be rejected with an error indicating piping to a closed
+         * stream failed, or with any error that occurs during canceling the
+         * source.
+         *
+         * The signal option can be set to an AbortSignal to allow aborting an
+         * ongoing pipe operation via the corresponding AbortController. In this
+         * case, this source readable stream will be canceled, and destination
+         * aborted, unless the respective options preventCancel or preventAbort
+         * are set.
+         */
+        preventClose?: boolean;
+        signal?: AbortSignal;
+    }
+    interface ReadableStreamGenericReader {
+        readonly closed: Promise<undefined>;
+        cancel(reason?: any): Promise<void>;
+    }
+    interface ReadableStreamDefaultReadValueResult<T> {
+        done: false;
+        value: T;
+    }
+    interface ReadableStreamDefaultReadDoneResult {
+        done: true;
+        value?: undefined;
+    }
+    type ReadableStreamController<T> = ReadableStreamDefaultController<T>;
+    type ReadableStreamDefaultReadResult<T> = ReadableStreamDefaultReadValueResult<T> | ReadableStreamDefaultReadDoneResult;
+    interface ReadableByteStreamControllerCallback {
+        (controller: ReadableByteStreamController): void | PromiseLike<void>;
+    }
+    interface UnderlyingSinkAbortCallback {
+        (reason?: any): void | PromiseLike<void>;
+    }
+    interface UnderlyingSinkCloseCallback {
+        (): void | PromiseLike<void>;
+    }
+    interface UnderlyingSinkStartCallback {
+        (controller: WritableStreamDefaultController): any;
+    }
+    interface UnderlyingSinkWriteCallback<W> {
+        (chunk: W, controller: WritableStreamDefaultController): void | PromiseLike<void>;
+    }
+    interface UnderlyingSourceCancelCallback {
+        (reason?: any): void | PromiseLike<void>;
+    }
+    interface UnderlyingSourcePullCallback<R> {
+        (controller: ReadableStreamController<R>): void | PromiseLike<void>;
+    }
+    interface UnderlyingSourceStartCallback<R> {
+        (controller: ReadableStreamController<R>): any;
+    }
+    interface TransformerFlushCallback<O> {
+        (controller: TransformStreamDefaultController<O>): void | PromiseLike<void>;
+    }
+    interface TransformerStartCallback<O> {
+        (controller: TransformStreamDefaultController<O>): any;
+    }
+    interface TransformerTransformCallback<I, O> {
+        (chunk: I, controller: TransformStreamDefaultController<O>): void | PromiseLike<void>;
+    }
+    interface UnderlyingByteSource {
+        autoAllocateChunkSize?: number;
+        cancel?: ReadableStreamErrorCallback;
+        pull?: ReadableByteStreamControllerCallback;
+        start?: ReadableByteStreamControllerCallback;
+        type: 'bytes';
+    }
+    interface UnderlyingSource<R = any> {
+        cancel?: UnderlyingSourceCancelCallback;
+        pull?: UnderlyingSourcePullCallback<R>;
+        start?: UnderlyingSourceStartCallback<R>;
+        type?: undefined;
+    }
+    interface UnderlyingSink<W = any> {
+        abort?: UnderlyingSinkAbortCallback;
+        close?: UnderlyingSinkCloseCallback;
+        start?: UnderlyingSinkStartCallback;
+        type?: undefined;
+        write?: UnderlyingSinkWriteCallback<W>;
+    }
+    interface ReadableStreamErrorCallback {
+        (reason: any): void | PromiseLike<void>;
+    }
+    /** This Streams API interface represents a readable stream of byte data. */
+    interface ReadableStream<R = any> {
+        readonly locked: boolean;
+        cancel(reason?: any): Promise<void>;
+        getReader(): ReadableStreamDefaultReader<R>;
+        pipeThrough<T>(transform: ReadableWritablePair<T, R>, options?: StreamPipeOptions): ReadableStream<T>;
+        pipeTo(destination: WritableStream<R>, options?: StreamPipeOptions): Promise<void>;
+        tee(): [ReadableStream<R>, ReadableStream<R>];
+        values(options?: { preventCancel?: boolean }): AsyncIterableIterator<R>;
+        [Symbol.asyncIterator](): AsyncIterableIterator<R>;
+    }
+    const ReadableStream: {
+        prototype: ReadableStream;
+        new (underlyingSource: UnderlyingByteSource, strategy?: QueuingStrategy<Uint8Array>): ReadableStream<Uint8Array>;
+        new <R = any>(underlyingSource?: UnderlyingSource<R>, strategy?: QueuingStrategy<R>): ReadableStream<R>;
+    };
+    interface ReadableStreamDefaultReader<R = any> extends ReadableStreamGenericReader {
+        read(): Promise<ReadableStreamDefaultReadResult<R>>;
+        releaseLock(): void;
+    }
+    const ReadableStreamDefaultReader: {
+        prototype: ReadableStreamDefaultReader;
+        new <R = any>(stream: ReadableStream<R>): ReadableStreamDefaultReader<R>;
+    };
+    const ReadableStreamBYOBReader: any;
+    const ReadableStreamBYOBRequest: any;
+    interface ReadableByteStreamController {
+        readonly byobRequest: undefined;
+        readonly desiredSize: number | null;
+        close(): void;
+        enqueue(chunk: ArrayBufferView): void;
+        error(error?: any): void;
+    }
+    const ReadableByteStreamController: {
+        prototype: ReadableByteStreamController;
+        new (): ReadableByteStreamController;
+    };
+    interface ReadableStreamDefaultController<R = any> {
+        readonly desiredSize: number | null;
+        close(): void;
+        enqueue(chunk?: R): void;
+        error(e?: any): void;
+    }
+    const ReadableStreamDefaultController: {
+        prototype: ReadableStreamDefaultController;
+        new (): ReadableStreamDefaultController;
+    };
+    interface Transformer<I = any, O = any> {
+        flush?: TransformerFlushCallback<O>;
+        readableType?: undefined;
+        start?: TransformerStartCallback<O>;
+        transform?: TransformerTransformCallback<I, O>;
+        writableType?: undefined;
+    }
+    interface TransformStream<I = any, O = any> {
+        readonly readable: ReadableStream<O>;
+        readonly writable: WritableStream<I>;
+    }
+    const TransformStream: {
+        prototype: TransformStream;
+        new <I = any, O = any>(transformer?: Transformer<I, O>, writableStrategy?: QueuingStrategy<I>, readableStrategy?: QueuingStrategy<O>): TransformStream<I, O>;
+    };
+    interface TransformStreamDefaultController<O = any> {
+        readonly desiredSize: number | null;
+        enqueue(chunk?: O): void;
+        error(reason?: any): void;
+        terminate(): void;
+    }
+    const TransformStreamDefaultController: {
+        prototype: TransformStreamDefaultController;
+        new (): TransformStreamDefaultController;
+    };
+    /**
+     * This Streams API interface provides a standard abstraction for writing
+     * streaming data to a destination, known as a sink. This object comes with
+     * built-in back pressure and queuing.
+     */
+    interface WritableStream<W = any> {
+        readonly locked: boolean;
+        abort(reason?: any): Promise<void>;
+        close(): Promise<void>;
+        getWriter(): WritableStreamDefaultWriter<W>;
+    }
+    const WritableStream: {
+        prototype: WritableStream;
+        new <W = any>(underlyingSink?: UnderlyingSink<W>, strategy?: QueuingStrategy<W>): WritableStream<W>;
+    };
+    /**
+     * This Streams API interface is the object returned by
+     * WritableStream.getWriter() and once created locks the < writer to the
+     * WritableStream ensuring that no other streams can write to the underlying
+     * sink.
+     */
+    interface WritableStreamDefaultWriter<W = any> {
+        readonly closed: Promise<undefined>;
+        readonly desiredSize: number | null;
+        readonly ready: Promise<undefined>;
+        abort(reason?: any): Promise<void>;
+        close(): Promise<void>;
+        releaseLock(): void;
+        write(chunk?: W): Promise<void>;
+    }
+    const WritableStreamDefaultWriter: {
+        prototype: WritableStreamDefaultWriter;
+        new <W = any>(stream: WritableStream<W>): WritableStreamDefaultWriter<W>;
+    };
+    /**
+     * This Streams API interface represents a controller allowing control of a
+     * WritableStream's state. When constructing a WritableStream, the
+     * underlying sink is given a corresponding WritableStreamDefaultController
+     * instance to manipulate.
+     */
+    interface WritableStreamDefaultController {
+        error(e?: any): void;
+    }
+    const WritableStreamDefaultController: {
+        prototype: WritableStreamDefaultController;
+        new (): WritableStreamDefaultController;
+    };
+    interface QueuingStrategy<T = any> {
+        highWaterMark?: number;
+        size?: QueuingStrategySize<T>;
+    }
+    interface QueuingStrategySize<T = any> {
+        (chunk?: T): number;
+    }
+    interface QueuingStrategyInit {
+        /**
+         * Creates a new ByteLengthQueuingStrategy with the provided high water
+         * mark.
+         *
+         * Note that the provided high water mark will not be validated ahead of
+         * time. Instead, if it is negative, NaN, or not a number, the resulting
+         * ByteLengthQueuingStrategy will cause the corresponding stream
+         * constructor to throw.
+         */
+        highWaterMark: number;
+    }
+    /**
+     * This Streams API interface provides a built-in byte length queuing
+     * strategy that can be used when constructing streams.
+     */
+    interface ByteLengthQueuingStrategy extends QueuingStrategy<ArrayBufferView> {
+        readonly highWaterMark: number;
+        readonly size: QueuingStrategySize<ArrayBufferView>;
+    }
+    const ByteLengthQueuingStrategy: {
+        prototype: ByteLengthQueuingStrategy;
+        new (init: QueuingStrategyInit): ByteLengthQueuingStrategy;
+    };
+    /**
+     * This Streams API interface provides a built-in byte length queuing
+     * strategy that can be used when constructing streams.
+     */
+    interface CountQueuingStrategy extends QueuingStrategy {
+        readonly highWaterMark: number;
+        readonly size: QueuingStrategySize;
+    }
+    const CountQueuingStrategy: {
+        prototype: CountQueuingStrategy;
+        new (init: QueuingStrategyInit): CountQueuingStrategy;
+    };
+    interface TextEncoderStream {
+        /** Returns "utf-8". */
+        readonly encoding: 'utf-8';
+        readonly readable: ReadableStream<Uint8Array>;
+        readonly writable: WritableStream<string>;
+        readonly [Symbol.toStringTag]: string;
+    }
+    const TextEncoderStream: {
+        prototype: TextEncoderStream;
+        new (): TextEncoderStream;
+    };
+    interface TextDecoderOptions {
+        fatal?: boolean;
+        ignoreBOM?: boolean;
+    }
+    type BufferSource = ArrayBufferView | ArrayBuffer;
+    interface TextDecoderStream {
+        /** Returns encoding's name, lower cased. */
+        readonly encoding: string;
+        /** Returns `true` if error mode is "fatal", and `false` otherwise. */
+        readonly fatal: boolean;
+        /** Returns `true` if ignore BOM flag is set, and `false` otherwise. */
+        readonly ignoreBOM: boolean;
+        readonly readable: ReadableStream<string>;
+        readonly writable: WritableStream<BufferSource>;
+        readonly [Symbol.toStringTag]: string;
+    }
+    const TextDecoderStream: {
+        prototype: TextDecoderStream;
+        new (label?: string, options?: TextDecoderOptions): TextDecoderStream;
+    };
+}
+declare module 'node:stream/web' {
+    export * from 'stream/web';
+}
diff --git a/node_modules/@types/node/ts4.8/string_decoder.d.ts b/node_modules/@types/node/ts4.8/string_decoder.d.ts
new file mode 100644
index 000000000..a58580411
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/string_decoder.d.ts
@@ -0,0 +1,67 @@
+/**
+ * The `string_decoder` module provides an API for decoding `Buffer` objects into
+ * strings in a manner that preserves encoded multi-byte UTF-8 and UTF-16
+ * characters. It can be accessed using:
+ *
+ * ```js
+ * const { StringDecoder } = require('string_decoder');
+ * ```
+ *
+ * The following example shows the basic use of the `StringDecoder` class.
+ *
+ * ```js
+ * const { StringDecoder } = require('string_decoder');
+ * const decoder = new StringDecoder('utf8');
+ *
+ * const cent = Buffer.from([0xC2, 0xA2]);
+ * console.log(decoder.write(cent));
+ *
+ * const euro = Buffer.from([0xE2, 0x82, 0xAC]);
+ * console.log(decoder.write(euro));
+ * ```
+ *
+ * When a `Buffer` instance is written to the `StringDecoder` instance, an
+ * internal buffer is used to ensure that the decoded string does not contain
+ * any incomplete multibyte characters. These are held in the buffer until the
+ * next call to `stringDecoder.write()` or until `stringDecoder.end()` is called.
+ *
+ * In the following example, the three UTF-8 encoded bytes of the European Euro
+ * symbol (`€`) are written over three separate operations:
+ *
+ * ```js
+ * const { StringDecoder } = require('string_decoder');
+ * const decoder = new StringDecoder('utf8');
+ *
+ * decoder.write(Buffer.from([0xE2]));
+ * decoder.write(Buffer.from([0x82]));
+ * console.log(decoder.end(Buffer.from([0xAC])));
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/string_decoder.js)
+ */
+declare module 'string_decoder' {
+    class StringDecoder {
+        constructor(encoding?: BufferEncoding);
+        /**
+         * Returns a decoded string, ensuring that any incomplete multibyte characters at
+         * the end of the `Buffer`, or `TypedArray`, or `DataView` are omitted from the
+         * returned string and stored in an internal buffer for the next call to`stringDecoder.write()` or `stringDecoder.end()`.
+         * @since v0.1.99
+         * @param buffer A `Buffer`, or `TypedArray`, or `DataView` containing the bytes to decode.
+         */
+        write(buffer: Buffer): string;
+        /**
+         * Returns any remaining input stored in the internal buffer as a string. Bytes
+         * representing incomplete UTF-8 and UTF-16 characters will be replaced with
+         * substitution characters appropriate for the character encoding.
+         *
+         * If the `buffer` argument is provided, one final call to `stringDecoder.write()`is performed before returning the remaining input.
+         * After `end()` is called, the `stringDecoder` object can be reused for new input.
+         * @since v0.9.3
+         * @param buffer A `Buffer`, or `TypedArray`, or `DataView` containing the bytes to decode.
+         */
+        end(buffer?: Buffer): string;
+    }
+}
+declare module 'node:string_decoder' {
+    export * from 'string_decoder';
+}
diff --git a/node_modules/@types/node/ts4.8/test.d.ts b/node_modules/@types/node/ts4.8/test.d.ts
new file mode 100644
index 000000000..85908ed85
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/test.d.ts
@@ -0,0 +1,190 @@
+/**
+ * The `node:test` module provides a standalone testing module.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/test.js)
+ */
+declare module 'node:test' {
+    /**
+     * The `test()` function is the value imported from the test module. Each invocation of this
+     * function results in the creation of a test point in the TAP output.
+     *
+     * The {@link TestContext} object passed to the fn argument can be used to perform actions
+     * related to the current test. Examples include skipping the test, adding additional TAP
+     * diagnostic information, or creating subtests.
+     *
+     * `test()` returns a {@link Promise} that resolves once the test completes. The return value
+     * can usually be discarded for top level tests. However, the return value from subtests should
+     * be used to prevent the parent test from finishing first and cancelling the subtest as shown
+     * in the following example.
+     *
+     * ```js
+     * test('top level test', async (t) => {
+     *   // The setTimeout() in the following subtest would cause it to outlive its
+     *   // parent test if 'await' is removed on the next line. Once the parent test
+     *   // completes, it will cancel any outstanding subtests.
+     *   await t.test('longer running subtest', async (t) => {
+     *     return new Promise((resolve, reject) => {
+     *       setTimeout(resolve, 1000);
+     *     });
+     *   });
+     * });
+     * ```
+     * @since v18.0.0
+     * @param name The name of the test, which is displayed when reporting test results.
+     *    Default: The `name` property of fn, or `'<anonymous>'` if `fn` does not have a name.
+     * @param options Configuration options for the test
+     * @param fn The function under test. The first argument to this function is a
+     *    {@link TestContext} object. If the test uses callbacks, the callback function is
+     *    passed as the second argument. Default: A no-op function.
+     * @returns A {@link Promise} resolved with `undefined` once the test completes.
+     */
+    function test(name?: string, fn?: TestFn): Promise<void>;
+    function test(name?: string, options?: TestOptions, fn?: TestFn): Promise<void>;
+    function test(options?: TestOptions, fn?: TestFn): Promise<void>;
+    function test(fn?: TestFn): Promise<void>;
+
+    /*
+     * @since v18.6.0
+     * @param name The name of the suite, which is displayed when reporting suite results.
+     *    Default: The `name` property of fn, or `'<anonymous>'` if `fn` does not have a name.
+     * @param options Configuration options for the suite
+     * @param fn The function under suite. Default: A no-op function.
+     */
+    function describe(name?: string, options?: TestOptions, fn?: SuiteFn): void;
+    function describe(name?: string, fn?: SuiteFn): void;
+    function describe(options?: TestOptions, fn?: SuiteFn): void;
+    function describe(fn?: SuiteFn): void;
+
+    /*
+     * @since v18.6.0
+     * @param name The name of the test, which is displayed when reporting test results.
+     *    Default: The `name` property of fn, or `'<anonymous>'` if `fn` does not have a name.
+     * @param options Configuration options for the test
+     * @param fn The function under test. If the test uses callbacks, the callback function is
+     *    passed as the second argument. Default: A no-op function.
+     */
+    function it(name?: string, options?: TestOptions, fn?: ItFn): void;
+    function it(name?: string, fn?: ItFn): void;
+    function it(options?: TestOptions, fn?: ItFn): void;
+    function it(fn?: ItFn): void;
+
+    /**
+     * The type of a function under test. The first argument to this function is a
+     * {@link TestContext} object. If the test uses callbacks, the callback function is passed as
+     * the second argument.
+     */
+    type TestFn = (t: TestContext, done: (result?: any) => void) => any;
+
+    /**
+     * The type of a function under Suite.
+     * If the test uses callbacks, the callback function is passed as an argument
+     */
+    type SuiteFn = (done: (result?: any) => void) => void;
+
+    /**
+     * The type of a function under test.
+     * If the test uses callbacks, the callback function is passed as an argument
+     */
+    type ItFn = (done: (result?: any) => void) => any;
+
+    /**
+     * An instance of `TestContext` is passed to each test function in order to interact with the
+     * test runner. However, the `TestContext` constructor is not exposed as part of the API.
+     * @since v18.0.0
+     */
+    interface TestContext {
+        /**
+         * This function is used to write TAP diagnostics to the output. Any diagnostic information is
+         * included at the end of the test's results. This function does not return a value.
+         * @param message Message to be displayed as a TAP diagnostic.
+         * @since v18.0.0
+         */
+        diagnostic(message: string): void;
+
+        /**
+         * If `shouldRunOnlyTests` is truthy, the test context will only run tests that have the `only`
+         * option set. Otherwise, all tests are run. If Node.js was not started with the `--test-only`
+         * command-line option, this function is a no-op.
+         * @param shouldRunOnlyTests Whether or not to run `only` tests.
+         * @since v18.0.0
+         */
+        runOnly(shouldRunOnlyTests: boolean): void;
+
+        /**
+         * This function causes the test's output to indicate the test as skipped. If `message` is
+         * provided, it is included in the TAP output. Calling `skip()` does not terminate execution of
+         * the test function. This function does not return a value.
+         * @param message Optional skip message to be displayed in TAP output.
+         * @since v18.0.0
+         */
+        skip(message?: string): void;
+
+        /**
+         * This function adds a `TODO` directive to the test's output. If `message` is provided, it is
+         * included in the TAP output. Calling `todo()` does not terminate execution of the test
+         * function. This function does not return a value.
+         * @param message Optional `TODO` message to be displayed in TAP output.
+         * @since v18.0.0
+         */
+        todo(message?: string): void;
+
+        /**
+         * This function is used to create subtests under the current test. This function behaves in
+         * the same fashion as the top level {@link test} function.
+         * @since v18.0.0
+         * @param name The name of the test, which is displayed when reporting test results.
+         *    Default: The `name` property of fn, or `'<anonymous>'` if `fn` does not have a name.
+         * @param options Configuration options for the test
+         * @param fn The function under test. This first argument to this function is a
+         *    {@link TestContext} object. If the test uses callbacks, the callback function is
+         *    passed as the second argument. Default: A no-op function.
+         * @returns A {@link Promise} resolved with `undefined` once the test completes.
+         */
+        test: typeof test;
+    }
+
+    interface TestOptions {
+        /**
+         * The number of tests that can be run at the same time. If unspecified, subtests inherit this
+         * value from their parent.
+         * @default 1
+         */
+        concurrency?: number;
+
+        /**
+         * If truthy, and the test context is configured to run `only` tests, then this test will be
+         * run. Otherwise, the test is skipped.
+         * @default false
+         */
+        only?: boolean;
+
+        /**
+         * Allows aborting an in-progress test.
+         * @since 8.7.0
+         */
+        signal?: AbortSignal;
+
+        /**
+         * If truthy, the test is skipped. If a string is provided, that string is displayed in the
+         * test results as the reason for skipping the test.
+         * @default false
+         */
+        skip?: boolean | string;
+
+        /**
+         * A number of milliseconds the test will fail after. If unspecified, subtests inherit this
+         * value from their parent.
+         * @default Infinity
+         * @since 8.7.0
+         */
+        timeout?: number;
+
+        /**
+         * If truthy, the test marked as `TODO`. If a string is provided, that string is displayed in
+         * the test results as the reason why the test is `TODO`.
+         * @default false
+         */
+        todo?: boolean | string;
+    }
+
+    export { test as default, test, describe, it };
+}
diff --git a/node_modules/@types/node/ts4.8/timers.d.ts b/node_modules/@types/node/ts4.8/timers.d.ts
new file mode 100644
index 000000000..b26f3ceda
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/timers.d.ts
@@ -0,0 +1,94 @@
+/**
+ * The `timer` module exposes a global API for scheduling functions to
+ * be called at some future period of time. Because the timer functions are
+ * globals, there is no need to call `require('timers')` to use the API.
+ *
+ * The timer functions within Node.js implement a similar API as the timers API
+ * provided by Web Browsers but use a different internal implementation that is
+ * built around the Node.js [Event Loop](https://nodejs.org/en/docs/guides/event-loop-timers-and-nexttick/#setimmediate-vs-settimeout).
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/timers.js)
+ */
+declare module 'timers' {
+    import { Abortable } from 'node:events';
+    import { setTimeout as setTimeoutPromise, setImmediate as setImmediatePromise, setInterval as setIntervalPromise } from 'node:timers/promises';
+    interface TimerOptions extends Abortable {
+        /**
+         * Set to `false` to indicate that the scheduled `Timeout`
+         * should not require the Node.js event loop to remain active.
+         * @default true
+         */
+        ref?: boolean | undefined;
+    }
+    let setTimeout: typeof global.setTimeout;
+    let clearTimeout: typeof global.clearTimeout;
+    let setInterval: typeof global.setInterval;
+    let clearInterval: typeof global.clearInterval;
+    let setImmediate: typeof global.setImmediate;
+    let clearImmediate: typeof global.clearImmediate;
+    global {
+        namespace NodeJS {
+            // compatibility with older typings
+            interface Timer extends RefCounted {
+                hasRef(): boolean;
+                refresh(): this;
+                [Symbol.toPrimitive](): number;
+            }
+            interface Immediate extends RefCounted {
+                /**
+                 * If true, the `Immediate` object will keep the Node.js event loop active.
+                 * @since v11.0.0
+                 */
+                hasRef(): boolean;
+                _onImmediate: Function; // to distinguish it from the Timeout class
+            }
+            interface Timeout extends Timer {
+                /**
+                 * If true, the `Timeout` object will keep the Node.js event loop active.
+                 * @since v11.0.0
+                 */
+                hasRef(): boolean;
+                /**
+                 * Sets the timer's start time to the current time, and reschedules the timer to
+                 * call its callback at the previously specified duration adjusted to the current
+                 * time. This is useful for refreshing a timer without allocating a new
+                 * JavaScript object.
+                 *
+                 * Using this on a timer that has already called its callback will reactivate the
+                 * timer.
+                 * @since v10.2.0
+                 * @return a reference to `timeout`
+                 */
+                refresh(): this;
+                [Symbol.toPrimitive](): number;
+            }
+        }
+        function setTimeout<TArgs extends any[]>(callback: (...args: TArgs) => void, ms?: number, ...args: TArgs): NodeJS.Timeout;
+        // util.promisify no rest args compability
+        // tslint:disable-next-line void-return
+        function setTimeout(callback: (args: void) => void, ms?: number): NodeJS.Timeout;
+        namespace setTimeout {
+            const __promisify__: typeof setTimeoutPromise;
+        }
+        function clearTimeout(timeoutId: NodeJS.Timeout | string | number | undefined): void;
+        function setInterval<TArgs extends any[]>(callback: (...args: TArgs) => void, ms?: number, ...args: TArgs): NodeJS.Timer;
+        // util.promisify no rest args compability
+        // tslint:disable-next-line void-return
+        function setInterval(callback: (args: void) => void, ms?: number): NodeJS.Timer;
+        namespace setInterval {
+            const __promisify__: typeof setIntervalPromise;
+        }
+        function clearInterval(intervalId: NodeJS.Timeout | string | number | undefined): void;
+        function setImmediate<TArgs extends any[]>(callback: (...args: TArgs) => void, ...args: TArgs): NodeJS.Immediate;
+        // util.promisify no rest args compability
+        // tslint:disable-next-line void-return
+        function setImmediate(callback: (args: void) => void): NodeJS.Immediate;
+        namespace setImmediate {
+            const __promisify__: typeof setImmediatePromise;
+        }
+        function clearImmediate(immediateId: NodeJS.Immediate | undefined): void;
+        function queueMicrotask(callback: () => void): void;
+    }
+}
+declare module 'node:timers' {
+    export * from 'timers';
+}
diff --git a/node_modules/@types/node/ts4.8/timers/promises.d.ts b/node_modules/@types/node/ts4.8/timers/promises.d.ts
new file mode 100644
index 000000000..fd778880e
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/timers/promises.d.ts
@@ -0,0 +1,68 @@
+/**
+ * The `timers/promises` API provides an alternative set of timer functions
+ * that return `Promise` objects. The API is accessible via`require('timers/promises')`.
+ *
+ * ```js
+ * import {
+ *   setTimeout,
+ *   setImmediate,
+ *   setInterval,
+ * } from 'timers/promises';
+ * ```
+ * @since v15.0.0
+ */
+declare module 'timers/promises' {
+    import { TimerOptions } from 'node:timers';
+    /**
+     * ```js
+     * import {
+     *   setTimeout,
+     * } from 'timers/promises';
+     *
+     * const res = await setTimeout(100, 'result');
+     *
+     * console.log(res);  // Prints 'result'
+     * ```
+     * @since v15.0.0
+     * @param [delay=1] The number of milliseconds to wait before fulfilling the promise.
+     * @param value A value with which the promise is fulfilled.
+     */
+    function setTimeout<T = void>(delay?: number, value?: T, options?: TimerOptions): Promise<T>;
+    /**
+     * ```js
+     * import {
+     *   setImmediate,
+     * } from 'timers/promises';
+     *
+     * const res = await setImmediate('result');
+     *
+     * console.log(res);  // Prints 'result'
+     * ```
+     * @since v15.0.0
+     * @param value A value with which the promise is fulfilled.
+     */
+    function setImmediate<T = void>(value?: T, options?: TimerOptions): Promise<T>;
+    /**
+     * Returns an async iterator that generates values in an interval of `delay` ms.
+     *
+     * ```js
+     * import {
+     *   setInterval,
+     * } from 'timers/promises';
+     *
+     * const interval = 100;
+     * for await (const startTime of setInterval(interval, Date.now())) {
+     *   const now = Date.now();
+     *   console.log(now);
+     *   if ((now - startTime) > 1000)
+     *     break;
+     * }
+     * console.log(Date.now());
+     * ```
+     * @since v15.9.0
+     */
+    function setInterval<T = void>(delay?: number, value?: T, options?: TimerOptions): AsyncIterable<T>;
+}
+declare module 'node:timers/promises' {
+    export * from 'timers/promises';
+}
diff --git a/node_modules/@types/node/ts4.8/tls.d.ts b/node_modules/@types/node/ts4.8/tls.d.ts
new file mode 100644
index 000000000..2cbc71658
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/tls.d.ts
@@ -0,0 +1,1028 @@
+/**
+ * The `tls` module provides an implementation of the Transport Layer Security
+ * (TLS) and Secure Socket Layer (SSL) protocols that is built on top of OpenSSL.
+ * The module can be accessed using:
+ *
+ * ```js
+ * const tls = require('tls');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/tls.js)
+ */
+declare module 'tls' {
+    import { X509Certificate } from 'node:crypto';
+    import * as net from 'node:net';
+    import * as stream from 'stream';
+    const CLIENT_RENEG_LIMIT: number;
+    const CLIENT_RENEG_WINDOW: number;
+    interface Certificate {
+        /**
+         * Country code.
+         */
+        C: string;
+        /**
+         * Street.
+         */
+        ST: string;
+        /**
+         * Locality.
+         */
+        L: string;
+        /**
+         * Organization.
+         */
+        O: string;
+        /**
+         * Organizational unit.
+         */
+        OU: string;
+        /**
+         * Common name.
+         */
+        CN: string;
+    }
+    interface PeerCertificate {
+        subject: Certificate;
+        issuer: Certificate;
+        subjectaltname: string;
+        infoAccess: NodeJS.Dict<string[]>;
+        modulus: string;
+        exponent: string;
+        valid_from: string;
+        valid_to: string;
+        fingerprint: string;
+        fingerprint256: string;
+        ext_key_usage: string[];
+        serialNumber: string;
+        raw: Buffer;
+    }
+    interface DetailedPeerCertificate extends PeerCertificate {
+        issuerCertificate: DetailedPeerCertificate;
+    }
+    interface CipherNameAndProtocol {
+        /**
+         * The cipher name.
+         */
+        name: string;
+        /**
+         * SSL/TLS protocol version.
+         */
+        version: string;
+        /**
+         * IETF name for the cipher suite.
+         */
+        standardName: string;
+    }
+    interface EphemeralKeyInfo {
+        /**
+         * The supported types are 'DH' and 'ECDH'.
+         */
+        type: string;
+        /**
+         * The name property is available only when type is 'ECDH'.
+         */
+        name?: string | undefined;
+        /**
+         * The size of parameter of an ephemeral key exchange.
+         */
+        size: number;
+    }
+    interface KeyObject {
+        /**
+         * Private keys in PEM format.
+         */
+        pem: string | Buffer;
+        /**
+         * Optional passphrase.
+         */
+        passphrase?: string | undefined;
+    }
+    interface PxfObject {
+        /**
+         * PFX or PKCS12 encoded private key and certificate chain.
+         */
+        buf: string | Buffer;
+        /**
+         * Optional passphrase.
+         */
+        passphrase?: string | undefined;
+    }
+    interface TLSSocketOptions extends SecureContextOptions, CommonConnectionOptions {
+        /**
+         * If true the TLS socket will be instantiated in server-mode.
+         * Defaults to false.
+         */
+        isServer?: boolean | undefined;
+        /**
+         * An optional net.Server instance.
+         */
+        server?: net.Server | undefined;
+        /**
+         * An optional Buffer instance containing a TLS session.
+         */
+        session?: Buffer | undefined;
+        /**
+         * If true, specifies that the OCSP status request extension will be
+         * added to the client hello and an 'OCSPResponse' event will be
+         * emitted on the socket before establishing a secure communication
+         */
+        requestOCSP?: boolean | undefined;
+    }
+    /**
+     * Performs transparent encryption of written data and all required TLS
+     * negotiation.
+     *
+     * Instances of `tls.TLSSocket` implement the duplex `Stream` interface.
+     *
+     * Methods that return TLS connection metadata (e.g.{@link TLSSocket.getPeerCertificate} will only return data while the
+     * connection is open.
+     * @since v0.11.4
+     */
+    class TLSSocket extends net.Socket {
+        /**
+         * Construct a new tls.TLSSocket object from an existing TCP socket.
+         */
+        constructor(socket: net.Socket, options?: TLSSocketOptions);
+        /**
+         * This property is `true` if the peer certificate was signed by one of the CAs
+         * specified when creating the `tls.TLSSocket` instance, otherwise `false`.
+         * @since v0.11.4
+         */
+        authorized: boolean;
+        /**
+         * Returns the reason why the peer's certificate was not been verified. This
+         * property is set only when `tlsSocket.authorized === false`.
+         * @since v0.11.4
+         */
+        authorizationError: Error;
+        /**
+         * Always returns `true`. This may be used to distinguish TLS sockets from regular`net.Socket` instances.
+         * @since v0.11.4
+         */
+        encrypted: true;
+        /**
+         * String containing the selected ALPN protocol.
+         * Before a handshake has completed, this value is always null.
+         * When a handshake is completed but not ALPN protocol was selected, tlsSocket.alpnProtocol equals false.
+         */
+        alpnProtocol: string | false | null;
+        /**
+         * Returns an object representing the local certificate. The returned object has
+         * some properties corresponding to the fields of the certificate.
+         *
+         * See {@link TLSSocket.getPeerCertificate} for an example of the certificate
+         * structure.
+         *
+         * If there is no local certificate, an empty object will be returned. If the
+         * socket has been destroyed, `null` will be returned.
+         * @since v11.2.0
+         */
+        getCertificate(): PeerCertificate | object | null;
+        /**
+         * Returns an object containing information on the negotiated cipher suite.
+         *
+         * For example:
+         *
+         * ```json
+         * {
+         *     "name": "AES128-SHA256",
+         *     "standardName": "TLS_RSA_WITH_AES_128_CBC_SHA256",
+         *     "version": "TLSv1.2"
+         * }
+         * ```
+         *
+         * See [SSL\_CIPHER\_get\_name](https://www.openssl.org/docs/man1.1.1/man3/SSL_CIPHER_get_name.html) for more information.
+         * @since v0.11.4
+         */
+        getCipher(): CipherNameAndProtocol;
+        /**
+         * Returns an object representing the type, name, and size of parameter of
+         * an ephemeral key exchange in `perfect forward secrecy` on a client
+         * connection. It returns an empty object when the key exchange is not
+         * ephemeral. As this is only supported on a client socket; `null` is returned
+         * if called on a server socket. The supported types are `'DH'` and `'ECDH'`. The`name` property is available only when type is `'ECDH'`.
+         *
+         * For example: `{ type: 'ECDH', name: 'prime256v1', size: 256 }`.
+         * @since v5.0.0
+         */
+        getEphemeralKeyInfo(): EphemeralKeyInfo | object | null;
+        /**
+         * As the `Finished` messages are message digests of the complete handshake
+         * (with a total of 192 bits for TLS 1.0 and more for SSL 3.0), they can
+         * be used for external authentication procedures when the authentication
+         * provided by SSL/TLS is not desired or is not enough.
+         *
+         * Corresponds to the `SSL_get_finished` routine in OpenSSL and may be used
+         * to implement the `tls-unique` channel binding from [RFC 5929](https://tools.ietf.org/html/rfc5929).
+         * @since v9.9.0
+         * @return The latest `Finished` message that has been sent to the socket as part of a SSL/TLS handshake, or `undefined` if no `Finished` message has been sent yet.
+         */
+        getFinished(): Buffer | undefined;
+        /**
+         * Returns an object representing the peer's certificate. If the peer does not
+         * provide a certificate, an empty object will be returned. If the socket has been
+         * destroyed, `null` will be returned.
+         *
+         * If the full certificate chain was requested, each certificate will include an`issuerCertificate` property containing an object representing its issuer's
+         * certificate.
+         * @since v0.11.4
+         * @param detailed Include the full certificate chain if `true`, otherwise include just the peer's certificate.
+         * @return A certificate object.
+         */
+        getPeerCertificate(detailed: true): DetailedPeerCertificate;
+        getPeerCertificate(detailed?: false): PeerCertificate;
+        getPeerCertificate(detailed?: boolean): PeerCertificate | DetailedPeerCertificate;
+        /**
+         * As the `Finished` messages are message digests of the complete handshake
+         * (with a total of 192 bits for TLS 1.0 and more for SSL 3.0), they can
+         * be used for external authentication procedures when the authentication
+         * provided by SSL/TLS is not desired or is not enough.
+         *
+         * Corresponds to the `SSL_get_peer_finished` routine in OpenSSL and may be used
+         * to implement the `tls-unique` channel binding from [RFC 5929](https://tools.ietf.org/html/rfc5929).
+         * @since v9.9.0
+         * @return The latest `Finished` message that is expected or has actually been received from the socket as part of a SSL/TLS handshake, or `undefined` if there is no `Finished` message so
+         * far.
+         */
+        getPeerFinished(): Buffer | undefined;
+        /**
+         * Returns a string containing the negotiated SSL/TLS protocol version of the
+         * current connection. The value `'unknown'` will be returned for connected
+         * sockets that have not completed the handshaking process. The value `null` will
+         * be returned for server sockets or disconnected client sockets.
+         *
+         * Protocol versions are:
+         *
+         * * `'SSLv3'`
+         * * `'TLSv1'`
+         * * `'TLSv1.1'`
+         * * `'TLSv1.2'`
+         * * `'TLSv1.3'`
+         *
+         * See the OpenSSL [`SSL_get_version`](https://www.openssl.org/docs/man1.1.1/man3/SSL_get_version.html) documentation for more information.
+         * @since v5.7.0
+         */
+        getProtocol(): string | null;
+        /**
+         * Returns the TLS session data or `undefined` if no session was
+         * negotiated. On the client, the data can be provided to the `session` option of {@link connect} to resume the connection. On the server, it may be useful
+         * for debugging.
+         *
+         * See `Session Resumption` for more information.
+         *
+         * Note: `getSession()` works only for TLSv1.2 and below. For TLSv1.3, applications
+         * must use the `'session'` event (it also works for TLSv1.2 and below).
+         * @since v0.11.4
+         */
+        getSession(): Buffer | undefined;
+        /**
+         * See [SSL\_get\_shared\_sigalgs](https://www.openssl.org/docs/man1.1.1/man3/SSL_get_shared_sigalgs.html) for more information.
+         * @since v12.11.0
+         * @return List of signature algorithms shared between the server and the client in the order of decreasing preference.
+         */
+        getSharedSigalgs(): string[];
+        /**
+         * For a client, returns the TLS session ticket if one is available, or`undefined`. For a server, always returns `undefined`.
+         *
+         * It may be useful for debugging.
+         *
+         * See `Session Resumption` for more information.
+         * @since v0.11.4
+         */
+        getTLSTicket(): Buffer | undefined;
+        /**
+         * See `Session Resumption` for more information.
+         * @since v0.5.6
+         * @return `true` if the session was reused, `false` otherwise.
+         */
+        isSessionReused(): boolean;
+        /**
+         * The `tlsSocket.renegotiate()` method initiates a TLS renegotiation process.
+         * Upon completion, the `callback` function will be passed a single argument
+         * that is either an `Error` (if the request failed) or `null`.
+         *
+         * This method can be used to request a peer's certificate after the secure
+         * connection has been established.
+         *
+         * When running as the server, the socket will be destroyed with an error after`handshakeTimeout` timeout.
+         *
+         * For TLSv1.3, renegotiation cannot be initiated, it is not supported by the
+         * protocol.
+         * @since v0.11.8
+         * @param callback If `renegotiate()` returned `true`, callback is attached once to the `'secure'` event. If `renegotiate()` returned `false`, `callback` will be called in the next tick with
+         * an error, unless the `tlsSocket` has been destroyed, in which case `callback` will not be called at all.
+         * @return `true` if renegotiation was initiated, `false` otherwise.
+         */
+        renegotiate(
+            options: {
+                rejectUnauthorized?: boolean | undefined;
+                requestCert?: boolean | undefined;
+            },
+            callback: (err: Error | null) => void
+        ): undefined | boolean;
+        /**
+         * The `tlsSocket.setMaxSendFragment()` method sets the maximum TLS fragment size.
+         * Returns `true` if setting the limit succeeded; `false` otherwise.
+         *
+         * Smaller fragment sizes decrease the buffering latency on the client: larger
+         * fragments are buffered by the TLS layer until the entire fragment is received
+         * and its integrity is verified; large fragments can span multiple roundtrips
+         * and their processing can be delayed due to packet loss or reordering. However,
+         * smaller fragments add extra TLS framing bytes and CPU overhead, which may
+         * decrease overall server throughput.
+         * @since v0.11.11
+         * @param [size=16384] The maximum TLS fragment size. The maximum value is `16384`.
+         */
+        setMaxSendFragment(size: number): boolean;
+        /**
+         * Disables TLS renegotiation for this `TLSSocket` instance. Once called, attempts
+         * to renegotiate will trigger an `'error'` event on the `TLSSocket`.
+         * @since v8.4.0
+         */
+        disableRenegotiation(): void;
+        /**
+         * When enabled, TLS packet trace information is written to `stderr`. This can be
+         * used to debug TLS connection problems.
+         *
+         * The format of the output is identical to the output of`openssl s_client -trace` or `openssl s_server -trace`. While it is produced by
+         * OpenSSL's `SSL_trace()` function, the format is undocumented, can change
+         * without notice, and should not be relied on.
+         * @since v12.2.0
+         */
+        enableTrace(): void;
+        /**
+         * Returns the peer certificate as an `X509Certificate` object.
+         *
+         * If there is no peer certificate, or the socket has been destroyed,`undefined` will be returned.
+         * @since v15.9.0
+         */
+        getPeerX509Certificate(): X509Certificate | undefined;
+        /**
+         * Returns the local certificate as an `X509Certificate` object.
+         *
+         * If there is no local certificate, or the socket has been destroyed,`undefined` will be returned.
+         * @since v15.9.0
+         */
+        getX509Certificate(): X509Certificate | undefined;
+        /**
+         * Keying material is used for validations to prevent different kind of attacks in
+         * network protocols, for example in the specifications of IEEE 802.1X.
+         *
+         * Example
+         *
+         * ```js
+         * const keyingMaterial = tlsSocket.exportKeyingMaterial(
+         *   128,
+         *   'client finished');
+         *
+         * /*
+         *  Example return value of keyingMaterial:
+         *  <Buffer 76 26 af 99 c5 56 8e 42 09 91 ef 9f 93 cb ad 6c 7b 65 f8 53 f1 d8 d9
+         *     12 5a 33 b8 b5 25 df 7b 37 9f e0 e2 4f b8 67 83 a3 2f cd 5d 41 42 4c 91
+         *     74 ef 2c ... 78 more bytes>
+         *
+         * ```
+         *
+         * See the OpenSSL [`SSL_export_keying_material`](https://www.openssl.org/docs/man1.1.1/man3/SSL_export_keying_material.html) documentation for more
+         * information.
+         * @since v13.10.0, v12.17.0
+         * @param length number of bytes to retrieve from keying material
+         * @param label an application specific label, typically this will be a value from the [IANA Exporter Label
+         * Registry](https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#exporter-labels).
+         * @param context Optionally provide a context.
+         * @return requested bytes of the keying material
+         */
+        exportKeyingMaterial(length: number, label: string, context: Buffer): Buffer;
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'OCSPResponse', listener: (response: Buffer) => void): this;
+        addListener(event: 'secureConnect', listener: () => void): this;
+        addListener(event: 'session', listener: (session: Buffer) => void): this;
+        addListener(event: 'keylog', listener: (line: Buffer) => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'OCSPResponse', response: Buffer): boolean;
+        emit(event: 'secureConnect'): boolean;
+        emit(event: 'session', session: Buffer): boolean;
+        emit(event: 'keylog', line: Buffer): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'OCSPResponse', listener: (response: Buffer) => void): this;
+        on(event: 'secureConnect', listener: () => void): this;
+        on(event: 'session', listener: (session: Buffer) => void): this;
+        on(event: 'keylog', listener: (line: Buffer) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'OCSPResponse', listener: (response: Buffer) => void): this;
+        once(event: 'secureConnect', listener: () => void): this;
+        once(event: 'session', listener: (session: Buffer) => void): this;
+        once(event: 'keylog', listener: (line: Buffer) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'OCSPResponse', listener: (response: Buffer) => void): this;
+        prependListener(event: 'secureConnect', listener: () => void): this;
+        prependListener(event: 'session', listener: (session: Buffer) => void): this;
+        prependListener(event: 'keylog', listener: (line: Buffer) => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'OCSPResponse', listener: (response: Buffer) => void): this;
+        prependOnceListener(event: 'secureConnect', listener: () => void): this;
+        prependOnceListener(event: 'session', listener: (session: Buffer) => void): this;
+        prependOnceListener(event: 'keylog', listener: (line: Buffer) => void): this;
+    }
+    interface CommonConnectionOptions {
+        /**
+         * An optional TLS context object from tls.createSecureContext()
+         */
+        secureContext?: SecureContext | undefined;
+        /**
+         * When enabled, TLS packet trace information is written to `stderr`. This can be
+         * used to debug TLS connection problems.
+         * @default false
+         */
+        enableTrace?: boolean | undefined;
+        /**
+         * If true the server will request a certificate from clients that
+         * connect and attempt to verify that certificate. Defaults to
+         * false.
+         */
+        requestCert?: boolean | undefined;
+        /**
+         * An array of strings or a Buffer naming possible ALPN protocols.
+         * (Protocols should be ordered by their priority.)
+         */
+        ALPNProtocols?: string[] | Uint8Array[] | Uint8Array | undefined;
+        /**
+         * SNICallback(servername, cb) <Function> A function that will be
+         * called if the client supports SNI TLS extension. Two arguments
+         * will be passed when called: servername and cb. SNICallback should
+         * invoke cb(null, ctx), where ctx is a SecureContext instance.
+         * (tls.createSecureContext(...) can be used to get a proper
+         * SecureContext.) If SNICallback wasn't provided the default callback
+         * with high-level API will be used (see below).
+         */
+        SNICallback?: ((servername: string, cb: (err: Error | null, ctx?: SecureContext) => void) => void) | undefined;
+        /**
+         * If true the server will reject any connection which is not
+         * authorized with the list of supplied CAs. This option only has an
+         * effect if requestCert is true.
+         * @default true
+         */
+        rejectUnauthorized?: boolean | undefined;
+    }
+    interface TlsOptions extends SecureContextOptions, CommonConnectionOptions, net.ServerOpts {
+        /**
+         * Abort the connection if the SSL/TLS handshake does not finish in the
+         * specified number of milliseconds. A 'tlsClientError' is emitted on
+         * the tls.Server object whenever a handshake times out. Default:
+         * 120000 (120 seconds).
+         */
+        handshakeTimeout?: number | undefined;
+        /**
+         * The number of seconds after which a TLS session created by the
+         * server will no longer be resumable. See Session Resumption for more
+         * information. Default: 300.
+         */
+        sessionTimeout?: number | undefined;
+        /**
+         * 48-bytes of cryptographically strong pseudo-random data.
+         */
+        ticketKeys?: Buffer | undefined;
+        /**
+         *
+         * @param socket
+         * @param identity identity parameter sent from the client.
+         * @return pre-shared key that must either be
+         * a buffer or `null` to stop the negotiation process. Returned PSK must be
+         * compatible with the selected cipher's digest.
+         *
+         * When negotiating TLS-PSK (pre-shared keys), this function is called
+         * with the identity provided by the client.
+         * If the return value is `null` the negotiation process will stop and an
+         * "unknown_psk_identity" alert message will be sent to the other party.
+         * If the server wishes to hide the fact that the PSK identity was not known,
+         * the callback must provide some random data as `psk` to make the connection
+         * fail with "decrypt_error" before negotiation is finished.
+         * PSK ciphers are disabled by default, and using TLS-PSK thus
+         * requires explicitly specifying a cipher suite with the `ciphers` option.
+         * More information can be found in the RFC 4279.
+         */
+        pskCallback?(socket: TLSSocket, identity: string): DataView | NodeJS.TypedArray | null;
+        /**
+         * hint to send to a client to help
+         * with selecting the identity during TLS-PSK negotiation. Will be ignored
+         * in TLS 1.3. Upon failing to set pskIdentityHint `tlsClientError` will be
+         * emitted with `ERR_TLS_PSK_SET_IDENTIY_HINT_FAILED` code.
+         */
+        pskIdentityHint?: string | undefined;
+    }
+    interface PSKCallbackNegotation {
+        psk: DataView | NodeJS.TypedArray;
+        identity: string;
+    }
+    interface ConnectionOptions extends SecureContextOptions, CommonConnectionOptions {
+        host?: string | undefined;
+        port?: number | undefined;
+        path?: string | undefined; // Creates unix socket connection to path. If this option is specified, `host` and `port` are ignored.
+        socket?: stream.Duplex | undefined; // Establish secure connection on a given socket rather than creating a new socket
+        checkServerIdentity?: typeof checkServerIdentity | undefined;
+        servername?: string | undefined; // SNI TLS Extension
+        session?: Buffer | undefined;
+        minDHSize?: number | undefined;
+        lookup?: net.LookupFunction | undefined;
+        timeout?: number | undefined;
+        /**
+         * When negotiating TLS-PSK (pre-shared keys), this function is called
+         * with optional identity `hint` provided by the server or `null`
+         * in case of TLS 1.3 where `hint` was removed.
+         * It will be necessary to provide a custom `tls.checkServerIdentity()`
+         * for the connection as the default one will try to check hostname/IP
+         * of the server against the certificate but that's not applicable for PSK
+         * because there won't be a certificate present.
+         * More information can be found in the RFC 4279.
+         *
+         * @param hint message sent from the server to help client
+         * decide which identity to use during negotiation.
+         * Always `null` if TLS 1.3 is used.
+         * @returns Return `null` to stop the negotiation process. `psk` must be
+         * compatible with the selected cipher's digest.
+         * `identity` must use UTF-8 encoding.
+         */
+        pskCallback?(hint: string | null): PSKCallbackNegotation | null;
+    }
+    /**
+     * Accepts encrypted connections using TLS or SSL.
+     * @since v0.3.2
+     */
+    class Server extends net.Server {
+        constructor(secureConnectionListener?: (socket: TLSSocket) => void);
+        constructor(options: TlsOptions, secureConnectionListener?: (socket: TLSSocket) => void);
+        /**
+         * The `server.addContext()` method adds a secure context that will be used if
+         * the client request's SNI name matches the supplied `hostname` (or wildcard).
+         *
+         * When there are multiple matching contexts, the most recently added one is
+         * used.
+         * @since v0.5.3
+         * @param hostname A SNI host name or wildcard (e.g. `'*'`)
+         * @param context An object containing any of the possible properties from the {@link createSecureContext} `options` arguments (e.g. `key`, `cert`, `ca`, etc).
+         */
+        addContext(hostname: string, context: SecureContextOptions): void;
+        /**
+         * Returns the session ticket keys.
+         *
+         * See `Session Resumption` for more information.
+         * @since v3.0.0
+         * @return A 48-byte buffer containing the session ticket keys.
+         */
+        getTicketKeys(): Buffer;
+        /**
+         * The `server.setSecureContext()` method replaces the secure context of an
+         * existing server. Existing connections to the server are not interrupted.
+         * @since v11.0.0
+         * @param options An object containing any of the possible properties from the {@link createSecureContext} `options` arguments (e.g. `key`, `cert`, `ca`, etc).
+         */
+        setSecureContext(options: SecureContextOptions): void;
+        /**
+         * Sets the session ticket keys.
+         *
+         * Changes to the ticket keys are effective only for future server connections.
+         * Existing or currently pending server connections will use the previous keys.
+         *
+         * See `Session Resumption` for more information.
+         * @since v3.0.0
+         * @param keys A 48-byte buffer containing the session ticket keys.
+         */
+        setTicketKeys(keys: Buffer): void;
+        /**
+         * events.EventEmitter
+         * 1. tlsClientError
+         * 2. newSession
+         * 3. OCSPRequest
+         * 4. resumeSession
+         * 5. secureConnection
+         * 6. keylog
+         */
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'tlsClientError', listener: (err: Error, tlsSocket: TLSSocket) => void): this;
+        addListener(event: 'newSession', listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void): this;
+        addListener(event: 'OCSPRequest', listener: (certificate: Buffer, issuer: Buffer, callback: (err: Error | null, resp: Buffer) => void) => void): this;
+        addListener(event: 'resumeSession', listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void): this;
+        addListener(event: 'secureConnection', listener: (tlsSocket: TLSSocket) => void): this;
+        addListener(event: 'keylog', listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'tlsClientError', err: Error, tlsSocket: TLSSocket): boolean;
+        emit(event: 'newSession', sessionId: Buffer, sessionData: Buffer, callback: () => void): boolean;
+        emit(event: 'OCSPRequest', certificate: Buffer, issuer: Buffer, callback: (err: Error | null, resp: Buffer) => void): boolean;
+        emit(event: 'resumeSession', sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void): boolean;
+        emit(event: 'secureConnection', tlsSocket: TLSSocket): boolean;
+        emit(event: 'keylog', line: Buffer, tlsSocket: TLSSocket): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'tlsClientError', listener: (err: Error, tlsSocket: TLSSocket) => void): this;
+        on(event: 'newSession', listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void): this;
+        on(event: 'OCSPRequest', listener: (certificate: Buffer, issuer: Buffer, callback: (err: Error | null, resp: Buffer) => void) => void): this;
+        on(event: 'resumeSession', listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void): this;
+        on(event: 'secureConnection', listener: (tlsSocket: TLSSocket) => void): this;
+        on(event: 'keylog', listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'tlsClientError', listener: (err: Error, tlsSocket: TLSSocket) => void): this;
+        once(event: 'newSession', listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void): this;
+        once(event: 'OCSPRequest', listener: (certificate: Buffer, issuer: Buffer, callback: (err: Error | null, resp: Buffer) => void) => void): this;
+        once(event: 'resumeSession', listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void): this;
+        once(event: 'secureConnection', listener: (tlsSocket: TLSSocket) => void): this;
+        once(event: 'keylog', listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'tlsClientError', listener: (err: Error, tlsSocket: TLSSocket) => void): this;
+        prependListener(event: 'newSession', listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void): this;
+        prependListener(event: 'OCSPRequest', listener: (certificate: Buffer, issuer: Buffer, callback: (err: Error | null, resp: Buffer) => void) => void): this;
+        prependListener(event: 'resumeSession', listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void): this;
+        prependListener(event: 'secureConnection', listener: (tlsSocket: TLSSocket) => void): this;
+        prependListener(event: 'keylog', listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'tlsClientError', listener: (err: Error, tlsSocket: TLSSocket) => void): this;
+        prependOnceListener(event: 'newSession', listener: (sessionId: Buffer, sessionData: Buffer, callback: () => void) => void): this;
+        prependOnceListener(event: 'OCSPRequest', listener: (certificate: Buffer, issuer: Buffer, callback: (err: Error | null, resp: Buffer) => void) => void): this;
+        prependOnceListener(event: 'resumeSession', listener: (sessionId: Buffer, callback: (err: Error | null, sessionData: Buffer | null) => void) => void): this;
+        prependOnceListener(event: 'secureConnection', listener: (tlsSocket: TLSSocket) => void): this;
+        prependOnceListener(event: 'keylog', listener: (line: Buffer, tlsSocket: TLSSocket) => void): this;
+    }
+    /**
+     * @deprecated since v0.11.3 Use `tls.TLSSocket` instead.
+     */
+    interface SecurePair {
+        encrypted: TLSSocket;
+        cleartext: TLSSocket;
+    }
+    type SecureVersion = 'TLSv1.3' | 'TLSv1.2' | 'TLSv1.1' | 'TLSv1';
+    interface SecureContextOptions {
+        /**
+         * Optionally override the trusted CA certificates. Default is to trust
+         * the well-known CAs curated by Mozilla. Mozilla's CAs are completely
+         * replaced when CAs are explicitly specified using this option.
+         */
+        ca?: string | Buffer | Array<string | Buffer> | undefined;
+        /**
+         *  Cert chains in PEM format. One cert chain should be provided per
+         *  private key. Each cert chain should consist of the PEM formatted
+         *  certificate for a provided private key, followed by the PEM
+         *  formatted intermediate certificates (if any), in order, and not
+         *  including the root CA (the root CA must be pre-known to the peer,
+         *  see ca). When providing multiple cert chains, they do not have to
+         *  be in the same order as their private keys in key. If the
+         *  intermediate certificates are not provided, the peer will not be
+         *  able to validate the certificate, and the handshake will fail.
+         */
+        cert?: string | Buffer | Array<string | Buffer> | undefined;
+        /**
+         *  Colon-separated list of supported signature algorithms. The list
+         *  can contain digest algorithms (SHA256, MD5 etc.), public key
+         *  algorithms (RSA-PSS, ECDSA etc.), combination of both (e.g
+         *  'RSA+SHA384') or TLS v1.3 scheme names (e.g. rsa_pss_pss_sha512).
+         */
+        sigalgs?: string | undefined;
+        /**
+         * Cipher suite specification, replacing the default. For more
+         * information, see modifying the default cipher suite. Permitted
+         * ciphers can be obtained via tls.getCiphers(). Cipher names must be
+         * uppercased in order for OpenSSL to accept them.
+         */
+        ciphers?: string | undefined;
+        /**
+         * Name of an OpenSSL engine which can provide the client certificate.
+         */
+        clientCertEngine?: string | undefined;
+        /**
+         * PEM formatted CRLs (Certificate Revocation Lists).
+         */
+        crl?: string | Buffer | Array<string | Buffer> | undefined;
+        /**
+         * Diffie Hellman parameters, required for Perfect Forward Secrecy. Use
+         * openssl dhparam to create the parameters. The key length must be
+         * greater than or equal to 1024 bits or else an error will be thrown.
+         * Although 1024 bits is permissible, use 2048 bits or larger for
+         * stronger security. If omitted or invalid, the parameters are
+         * silently discarded and DHE ciphers will not be available.
+         */
+        dhparam?: string | Buffer | undefined;
+        /**
+         * A string describing a named curve or a colon separated list of curve
+         * NIDs or names, for example P-521:P-384:P-256, to use for ECDH key
+         * agreement. Set to auto to select the curve automatically. Use
+         * crypto.getCurves() to obtain a list of available curve names. On
+         * recent releases, openssl ecparam -list_curves will also display the
+         * name and description of each available elliptic curve. Default:
+         * tls.DEFAULT_ECDH_CURVE.
+         */
+        ecdhCurve?: string | undefined;
+        /**
+         * Attempt to use the server's cipher suite preferences instead of the
+         * client's. When true, causes SSL_OP_CIPHER_SERVER_PREFERENCE to be
+         * set in secureOptions
+         */
+        honorCipherOrder?: boolean | undefined;
+        /**
+         * Private keys in PEM format. PEM allows the option of private keys
+         * being encrypted. Encrypted keys will be decrypted with
+         * options.passphrase. Multiple keys using different algorithms can be
+         * provided either as an array of unencrypted key strings or buffers,
+         * or an array of objects in the form {pem: <string|buffer>[,
+         * passphrase: <string>]}. The object form can only occur in an array.
+         * object.passphrase is optional. Encrypted keys will be decrypted with
+         * object.passphrase if provided, or options.passphrase if it is not.
+         */
+        key?: string | Buffer | Array<string | Buffer | KeyObject> | undefined;
+        /**
+         * Name of an OpenSSL engine to get private key from. Should be used
+         * together with privateKeyIdentifier.
+         */
+        privateKeyEngine?: string | undefined;
+        /**
+         * Identifier of a private key managed by an OpenSSL engine. Should be
+         * used together with privateKeyEngine. Should not be set together with
+         * key, because both options define a private key in different ways.
+         */
+        privateKeyIdentifier?: string | undefined;
+        /**
+         * Optionally set the maximum TLS version to allow. One
+         * of `'TLSv1.3'`, `'TLSv1.2'`, `'TLSv1.1'`, or `'TLSv1'`. Cannot be specified along with the
+         * `secureProtocol` option, use one or the other.
+         * **Default:** `'TLSv1.3'`, unless changed using CLI options. Using
+         * `--tls-max-v1.2` sets the default to `'TLSv1.2'`. Using `--tls-max-v1.3` sets the default to
+         * `'TLSv1.3'`. If multiple of the options are provided, the highest maximum is used.
+         */
+        maxVersion?: SecureVersion | undefined;
+        /**
+         * Optionally set the minimum TLS version to allow. One
+         * of `'TLSv1.3'`, `'TLSv1.2'`, `'TLSv1.1'`, or `'TLSv1'`. Cannot be specified along with the
+         * `secureProtocol` option, use one or the other.  It is not recommended to use
+         * less than TLSv1.2, but it may be required for interoperability.
+         * **Default:** `'TLSv1.2'`, unless changed using CLI options. Using
+         * `--tls-v1.0` sets the default to `'TLSv1'`. Using `--tls-v1.1` sets the default to
+         * `'TLSv1.1'`. Using `--tls-min-v1.3` sets the default to
+         * 'TLSv1.3'. If multiple of the options are provided, the lowest minimum is used.
+         */
+        minVersion?: SecureVersion | undefined;
+        /**
+         * Shared passphrase used for a single private key and/or a PFX.
+         */
+        passphrase?: string | undefined;
+        /**
+         * PFX or PKCS12 encoded private key and certificate chain. pfx is an
+         * alternative to providing key and cert individually. PFX is usually
+         * encrypted, if it is, passphrase will be used to decrypt it. Multiple
+         * PFX can be provided either as an array of unencrypted PFX buffers,
+         * or an array of objects in the form {buf: <string|buffer>[,
+         * passphrase: <string>]}. The object form can only occur in an array.
+         * object.passphrase is optional. Encrypted PFX will be decrypted with
+         * object.passphrase if provided, or options.passphrase if it is not.
+         */
+        pfx?: string | Buffer | Array<string | Buffer | PxfObject> | undefined;
+        /**
+         * Optionally affect the OpenSSL protocol behavior, which is not
+         * usually necessary. This should be used carefully if at all! Value is
+         * a numeric bitmask of the SSL_OP_* options from OpenSSL Options
+         */
+        secureOptions?: number | undefined; // Value is a numeric bitmask of the `SSL_OP_*` options
+        /**
+         * Legacy mechanism to select the TLS protocol version to use, it does
+         * not support independent control of the minimum and maximum version,
+         * and does not support limiting the protocol to TLSv1.3. Use
+         * minVersion and maxVersion instead. The possible values are listed as
+         * SSL_METHODS, use the function names as strings. For example, use
+         * 'TLSv1_1_method' to force TLS version 1.1, or 'TLS_method' to allow
+         * any TLS protocol version up to TLSv1.3. It is not recommended to use
+         * TLS versions less than 1.2, but it may be required for
+         * interoperability. Default: none, see minVersion.
+         */
+        secureProtocol?: string | undefined;
+        /**
+         * Opaque identifier used by servers to ensure session state is not
+         * shared between applications. Unused by clients.
+         */
+        sessionIdContext?: string | undefined;
+        /**
+         * 48-bytes of cryptographically strong pseudo-random data.
+         * See Session Resumption for more information.
+         */
+        ticketKeys?: Buffer | undefined;
+        /**
+         * The number of seconds after which a TLS session created by the
+         * server will no longer be resumable. See Session Resumption for more
+         * information. Default: 300.
+         */
+        sessionTimeout?: number | undefined;
+    }
+    interface SecureContext {
+        context: any;
+    }
+    /**
+     * Verifies the certificate `cert` is issued to `hostname`.
+     *
+     * Returns [Error](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error) object, populating it with `reason`, `host`, and `cert` on
+     * failure. On success, returns [undefined](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Undefined_type).
+     *
+     * This function is intended to be used in combination with the`checkServerIdentity` option that can be passed to {@link connect} and as
+     * such operates on a `certificate object`. For other purposes, consider using `x509.checkHost()` instead.
+     *
+     * This function can be overwritten by providing an alternative function as the`options.checkServerIdentity` option that is passed to `tls.connect()`. The
+     * overwriting function can call `tls.checkServerIdentity()` of course, to augment
+     * the checks done with additional verification.
+     *
+     * This function is only called if the certificate passed all other checks, such as
+     * being issued by trusted CA (`options.ca`).
+     *
+     * Earlier versions of Node.js incorrectly accepted certificates for a given`hostname` if a matching `uniformResourceIdentifier` subject alternative name
+     * was present (see [CVE-2021-44531](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44531)). Applications that wish to accept`uniformResourceIdentifier` subject alternative names can use
+     * a custom`options.checkServerIdentity` function that implements the desired behavior.
+     * @since v0.8.4
+     * @param hostname The host name or IP address to verify the certificate against.
+     * @param cert A `certificate object` representing the peer's certificate.
+     */
+    function checkServerIdentity(hostname: string, cert: PeerCertificate): Error | undefined;
+    /**
+     * Creates a new {@link Server}. The `secureConnectionListener`, if provided, is
+     * automatically set as a listener for the `'secureConnection'` event.
+     *
+     * The `ticketKeys` options is automatically shared between `cluster` module
+     * workers.
+     *
+     * The following illustrates a simple echo server:
+     *
+     * ```js
+     * const tls = require('tls');
+     * const fs = require('fs');
+     *
+     * const options = {
+     *   key: fs.readFileSync('server-key.pem'),
+     *   cert: fs.readFileSync('server-cert.pem'),
+     *
+     *   // This is necessary only if using client certificate authentication.
+     *   requestCert: true,
+     *
+     *   // This is necessary only if the client uses a self-signed certificate.
+     *   ca: [ fs.readFileSync('client-cert.pem') ]
+     * };
+     *
+     * const server = tls.createServer(options, (socket) => {
+     *   console.log('server connected',
+     *               socket.authorized ? 'authorized' : 'unauthorized');
+     *   socket.write('welcome!\n');
+     *   socket.setEncoding('utf8');
+     *   socket.pipe(socket);
+     * });
+     * server.listen(8000, () => {
+     *   console.log('server bound');
+     * });
+     * ```
+     *
+     * The server can be tested by connecting to it using the example client from {@link connect}.
+     * @since v0.3.2
+     */
+    function createServer(secureConnectionListener?: (socket: TLSSocket) => void): Server;
+    function createServer(options: TlsOptions, secureConnectionListener?: (socket: TLSSocket) => void): Server;
+    /**
+     * The `callback` function, if specified, will be added as a listener for the `'secureConnect'` event.
+     *
+     * `tls.connect()` returns a {@link TLSSocket} object.
+     *
+     * Unlike the `https` API, `tls.connect()` does not enable the
+     * SNI (Server Name Indication) extension by default, which may cause some
+     * servers to return an incorrect certificate or reject the connection
+     * altogether. To enable SNI, set the `servername` option in addition
+     * to `host`.
+     *
+     * The following illustrates a client for the echo server example from {@link createServer}:
+     *
+     * ```js
+     * // Assumes an echo server that is listening on port 8000.
+     * const tls = require('tls');
+     * const fs = require('fs');
+     *
+     * const options = {
+     *   // Necessary only if the server requires client certificate authentication.
+     *   key: fs.readFileSync('client-key.pem'),
+     *   cert: fs.readFileSync('client-cert.pem'),
+     *
+     *   // Necessary only if the server uses a self-signed certificate.
+     *   ca: [ fs.readFileSync('server-cert.pem') ],
+     *
+     *   // Necessary only if the server's cert isn't for "localhost".
+     *   checkServerIdentity: () => { return null; },
+     * };
+     *
+     * const socket = tls.connect(8000, options, () => {
+     *   console.log('client connected',
+     *               socket.authorized ? 'authorized' : 'unauthorized');
+     *   process.stdin.pipe(socket);
+     *   process.stdin.resume();
+     * });
+     * socket.setEncoding('utf8');
+     * socket.on('data', (data) => {
+     *   console.log(data);
+     * });
+     * socket.on('end', () => {
+     *   console.log('server ends connection');
+     * });
+     * ```
+     * @since v0.11.3
+     */
+    function connect(options: ConnectionOptions, secureConnectListener?: () => void): TLSSocket;
+    function connect(port: number, host?: string, options?: ConnectionOptions, secureConnectListener?: () => void): TLSSocket;
+    function connect(port: number, options?: ConnectionOptions, secureConnectListener?: () => void): TLSSocket;
+    /**
+     * Creates a new secure pair object with two streams, one of which reads and writes
+     * the encrypted data and the other of which reads and writes the cleartext data.
+     * Generally, the encrypted stream is piped to/from an incoming encrypted data
+     * stream and the cleartext one is used as a replacement for the initial encrypted
+     * stream.
+     *
+     * `tls.createSecurePair()` returns a `tls.SecurePair` object with `cleartext` and`encrypted` stream properties.
+     *
+     * Using `cleartext` has the same API as {@link TLSSocket}.
+     *
+     * The `tls.createSecurePair()` method is now deprecated in favor of`tls.TLSSocket()`. For example, the code:
+     *
+     * ```js
+     * pair = tls.createSecurePair(// ... );
+     * pair.encrypted.pipe(socket);
+     * socket.pipe(pair.encrypted);
+     * ```
+     *
+     * can be replaced by:
+     *
+     * ```js
+     * secureSocket = tls.TLSSocket(socket, options);
+     * ```
+     *
+     * where `secureSocket` has the same API as `pair.cleartext`.
+     * @since v0.3.2
+     * @deprecated Since v0.11.3 - Use {@link TLSSocket} instead.
+     * @param context A secure context object as returned by `tls.createSecureContext()`
+     * @param isServer `true` to specify that this TLS connection should be opened as a server.
+     * @param requestCert `true` to specify whether a server should request a certificate from a connecting client. Only applies when `isServer` is `true`.
+     * @param rejectUnauthorized If not `false` a server automatically reject clients with invalid certificates. Only applies when `isServer` is `true`.
+     */
+    function createSecurePair(context?: SecureContext, isServer?: boolean, requestCert?: boolean, rejectUnauthorized?: boolean): SecurePair;
+    /**
+     * {@link createServer} sets the default value of the `honorCipherOrder` option
+     * to `true`, other APIs that create secure contexts leave it unset.
+     *
+     * {@link createServer} uses a 128 bit truncated SHA1 hash value generated
+     * from `process.argv` as the default value of the `sessionIdContext` option, other
+     * APIs that create secure contexts have no default value.
+     *
+     * The `tls.createSecureContext()` method creates a `SecureContext` object. It is
+     * usable as an argument to several `tls` APIs, such as {@link createServer} and `server.addContext()`, but has no public methods.
+     *
+     * A key is _required_ for ciphers that use certificates. Either `key` or`pfx` can be used to provide it.
+     *
+     * If the `ca` option is not given, then Node.js will default to using [Mozilla's publicly trusted list of
+     * CAs](https://hg.mozilla.org/mozilla-central/raw-file/tip/security/nss/lib/ckfw/builtins/certdata.txt).
+     * @since v0.11.13
+     */
+    function createSecureContext(options?: SecureContextOptions): SecureContext;
+    /**
+     * Returns an array with the names of the supported TLS ciphers. The names are
+     * lower-case for historical reasons, but must be uppercased to be used in
+     * the `ciphers` option of {@link createSecureContext}.
+     *
+     * Not all supported ciphers are enabled by default. See `Modifying the default TLS cipher suite`.
+     *
+     * Cipher names that start with `'tls_'` are for TLSv1.3, all the others are for
+     * TLSv1.2 and below.
+     *
+     * ```js
+     * console.log(tls.getCiphers()); // ['aes128-gcm-sha256', 'aes128-sha', ...]
+     * ```
+     * @since v0.10.2
+     */
+    function getCiphers(): string[];
+    /**
+     * The default curve name to use for ECDH key agreement in a tls server.
+     * The default value is 'auto'. See tls.createSecureContext() for further
+     * information.
+     */
+    let DEFAULT_ECDH_CURVE: string;
+    /**
+     * The default value of the maxVersion option of
+     * tls.createSecureContext(). It can be assigned any of the supported TLS
+     * protocol versions, 'TLSv1.3', 'TLSv1.2', 'TLSv1.1', or 'TLSv1'. Default:
+     * 'TLSv1.3', unless changed using CLI options. Using --tls-max-v1.2 sets
+     * the default to 'TLSv1.2'. Using --tls-max-v1.3 sets the default to
+     * 'TLSv1.3'. If multiple of the options are provided, the highest maximum
+     * is used.
+     */
+    let DEFAULT_MAX_VERSION: SecureVersion;
+    /**
+     * The default value of the minVersion option of tls.createSecureContext().
+     * It can be assigned any of the supported TLS protocol versions,
+     * 'TLSv1.3', 'TLSv1.2', 'TLSv1.1', or 'TLSv1'. Default: 'TLSv1.2', unless
+     * changed using CLI options. Using --tls-min-v1.0 sets the default to
+     * 'TLSv1'. Using --tls-min-v1.1 sets the default to 'TLSv1.1'. Using
+     * --tls-min-v1.3 sets the default to 'TLSv1.3'. If multiple of the options
+     * are provided, the lowest minimum is used.
+     */
+    let DEFAULT_MIN_VERSION: SecureVersion;
+    /**
+     * An immutable array of strings representing the root certificates (in PEM
+     * format) used for verifying peer certificates. This is the default value
+     * of the ca option to tls.createSecureContext().
+     */
+    const rootCertificates: ReadonlyArray<string>;
+}
+declare module 'node:tls' {
+    export * from 'tls';
+}
diff --git a/node_modules/@types/node/ts4.8/trace_events.d.ts b/node_modules/@types/node/ts4.8/trace_events.d.ts
new file mode 100644
index 000000000..d47aa9311
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/trace_events.d.ts
@@ -0,0 +1,171 @@
+/**
+ * The `trace_events` module provides a mechanism to centralize tracing information
+ * generated by V8, Node.js core, and userspace code.
+ *
+ * Tracing can be enabled with the `--trace-event-categories` command-line flag
+ * or by using the `trace_events` module. The `--trace-event-categories` flag
+ * accepts a list of comma-separated category names.
+ *
+ * The available categories are:
+ *
+ * * `node`: An empty placeholder.
+ * * `node.async_hooks`: Enables capture of detailed `async_hooks` trace data.
+ * The `async_hooks` events have a unique `asyncId` and a special `triggerId` `triggerAsyncId` property.
+ * * `node.bootstrap`: Enables capture of Node.js bootstrap milestones.
+ * * `node.console`: Enables capture of `console.time()` and `console.count()`output.
+ * * `node.dns.native`: Enables capture of trace data for DNS queries.
+ * * `node.environment`: Enables capture of Node.js Environment milestones.
+ * * `node.fs.sync`: Enables capture of trace data for file system sync methods.
+ * * `node.perf`: Enables capture of `Performance API` measurements.
+ *    * `node.perf.usertiming`: Enables capture of only Performance API User Timing
+ *    measures and marks.
+ *    * `node.perf.timerify`: Enables capture of only Performance API timerify
+ *    measurements.
+ * * `node.promises.rejections`: Enables capture of trace data tracking the number
+ * of unhandled Promise rejections and handled-after-rejections.
+ * * `node.vm.script`: Enables capture of trace data for the `vm` module's`runInNewContext()`, `runInContext()`, and `runInThisContext()` methods.
+ * * `v8`: The `V8` events are GC, compiling, and execution related.
+ *
+ * By default the `node`, `node.async_hooks`, and `v8` categories are enabled.
+ *
+ * ```bash
+ * node --trace-event-categories v8,node,node.async_hooks server.js
+ * ```
+ *
+ * Prior versions of Node.js required the use of the `--trace-events-enabled`flag to enable trace events. This requirement has been removed. However, the`--trace-events-enabled` flag _may_ still be
+ * used and will enable the`node`, `node.async_hooks`, and `v8` trace event categories by default.
+ *
+ * ```bash
+ * node --trace-events-enabled
+ *
+ * # is equivalent to
+ *
+ * node --trace-event-categories v8,node,node.async_hooks
+ * ```
+ *
+ * Alternatively, trace events may be enabled using the `trace_events` module:
+ *
+ * ```js
+ * const trace_events = require('trace_events');
+ * const tracing = trace_events.createTracing({ categories: ['node.perf'] });
+ * tracing.enable();  // Enable trace event capture for the 'node.perf' category
+ *
+ * // do work
+ *
+ * tracing.disable();  // Disable trace event capture for the 'node.perf' category
+ * ```
+ *
+ * Running Node.js with tracing enabled will produce log files that can be opened
+ * in the [`chrome://tracing`](https://www.chromium.org/developers/how-tos/trace-event-profiling-tool) tab of Chrome.
+ *
+ * The logging file is by default called `node_trace.${rotation}.log`, where`${rotation}` is an incrementing log-rotation id. The filepath pattern can
+ * be specified with `--trace-event-file-pattern` that accepts a template
+ * string that supports `${rotation}` and `${pid}`:
+ *
+ * ```bash
+ * node --trace-event-categories v8 --trace-event-file-pattern '${pid}-${rotation}.log' server.js
+ * ```
+ *
+ * To guarantee that the log file is properly generated after signal events like`SIGINT`, `SIGTERM`, or `SIGBREAK`, make sure to have the appropriate handlers
+ * in your code, such as:
+ *
+ * ```js
+ * process.on('SIGINT', function onSigint() {
+ *   console.info('Received SIGINT.');
+ *   process.exit(130);  // Or applicable exit code depending on OS and signal
+ * });
+ * ```
+ *
+ * The tracing system uses the same time source
+ * as the one used by `process.hrtime()`.
+ * However the trace-event timestamps are expressed in microseconds,
+ * unlike `process.hrtime()` which returns nanoseconds.
+ *
+ * The features from this module are not available in `Worker` threads.
+ * @experimental
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/trace_events.js)
+ */
+declare module 'trace_events' {
+    /**
+     * The `Tracing` object is used to enable or disable tracing for sets of
+     * categories. Instances are created using the
+     * `trace_events.createTracing()` method.
+     *
+     * When created, the `Tracing` object is disabled. Calling the
+     * `tracing.enable()` method adds the categories to the set of enabled trace
+     * event categories. Calling `tracing.disable()` will remove the categories
+     * from the set of enabled trace event categories.
+     */
+    interface Tracing {
+        /**
+         * A comma-separated list of the trace event categories covered by this
+         * `Tracing` object.
+         */
+        readonly categories: string;
+        /**
+         * Disables this `Tracing` object.
+         *
+         * Only trace event categories _not_ covered by other enabled `Tracing`
+         * objects and _not_ specified by the `--trace-event-categories` flag
+         * will be disabled.
+         */
+        disable(): void;
+        /**
+         * Enables this `Tracing` object for the set of categories covered by
+         * the `Tracing` object.
+         */
+        enable(): void;
+        /**
+         * `true` only if the `Tracing` object has been enabled.
+         */
+        readonly enabled: boolean;
+    }
+    interface CreateTracingOptions {
+        /**
+         * An array of trace category names. Values included in the array are
+         * coerced to a string when possible. An error will be thrown if the
+         * value cannot be coerced.
+         */
+        categories: string[];
+    }
+    /**
+     * Creates and returns a `Tracing` object for the given set of `categories`.
+     *
+     * ```js
+     * const trace_events = require('trace_events');
+     * const categories = ['node.perf', 'node.async_hooks'];
+     * const tracing = trace_events.createTracing({ categories });
+     * tracing.enable();
+     * // do stuff
+     * tracing.disable();
+     * ```
+     * @since v10.0.0
+     * @return .
+     */
+    function createTracing(options: CreateTracingOptions): Tracing;
+    /**
+     * Returns a comma-separated list of all currently-enabled trace event
+     * categories. The current set of enabled trace event categories is determined
+     * by the _union_ of all currently-enabled `Tracing` objects and any categories
+     * enabled using the `--trace-event-categories` flag.
+     *
+     * Given the file `test.js` below, the command`node --trace-event-categories node.perf test.js` will print`'node.async_hooks,node.perf'` to the console.
+     *
+     * ```js
+     * const trace_events = require('trace_events');
+     * const t1 = trace_events.createTracing({ categories: ['node.async_hooks'] });
+     * const t2 = trace_events.createTracing({ categories: ['node.perf'] });
+     * const t3 = trace_events.createTracing({ categories: ['v8'] });
+     *
+     * t1.enable();
+     * t2.enable();
+     *
+     * console.log(trace_events.getEnabledCategories());
+     * ```
+     * @since v10.0.0
+     */
+    function getEnabledCategories(): string | undefined;
+}
+declare module 'node:trace_events' {
+    export * from 'trace_events';
+}
diff --git a/node_modules/@types/node/ts4.8/tty.d.ts b/node_modules/@types/node/ts4.8/tty.d.ts
new file mode 100644
index 000000000..6473f8db7
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/tty.d.ts
@@ -0,0 +1,206 @@
+/**
+ * The `tty` module provides the `tty.ReadStream` and `tty.WriteStream` classes.
+ * In most cases, it will not be necessary or possible to use this module directly.
+ * However, it can be accessed using:
+ *
+ * ```js
+ * const tty = require('tty');
+ * ```
+ *
+ * When Node.js detects that it is being run with a text terminal ("TTY")
+ * attached, `process.stdin` will, by default, be initialized as an instance of`tty.ReadStream` and both `process.stdout` and `process.stderr` will, by
+ * default, be instances of `tty.WriteStream`. The preferred method of determining
+ * whether Node.js is being run within a TTY context is to check that the value of
+ * the `process.stdout.isTTY` property is `true`:
+ *
+ * ```console
+ * $ node -p -e "Boolean(process.stdout.isTTY)"
+ * true
+ * $ node -p -e "Boolean(process.stdout.isTTY)" | cat
+ * false
+ * ```
+ *
+ * In most cases, there should be little to no reason for an application to
+ * manually create instances of the `tty.ReadStream` and `tty.WriteStream`classes.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/tty.js)
+ */
+declare module 'tty' {
+    import * as net from 'node:net';
+    /**
+     * The `tty.isatty()` method returns `true` if the given `fd` is associated with
+     * a TTY and `false` if it is not, including whenever `fd` is not a non-negative
+     * integer.
+     * @since v0.5.8
+     * @param fd A numeric file descriptor
+     */
+    function isatty(fd: number): boolean;
+    /**
+     * Represents the readable side of a TTY. In normal circumstances `process.stdin` will be the only `tty.ReadStream` instance in a Node.js
+     * process and there should be no reason to create additional instances.
+     * @since v0.5.8
+     */
+    class ReadStream extends net.Socket {
+        constructor(fd: number, options?: net.SocketConstructorOpts);
+        /**
+         * A `boolean` that is `true` if the TTY is currently configured to operate as a
+         * raw device. Defaults to `false`.
+         * @since v0.7.7
+         */
+        isRaw: boolean;
+        /**
+         * Allows configuration of `tty.ReadStream` so that it operates as a raw device.
+         *
+         * When in raw mode, input is always available character-by-character, not
+         * including modifiers. Additionally, all special processing of characters by the
+         * terminal is disabled, including echoing input
+         * characters. Ctrl+C will no longer cause a `SIGINT` when
+         * in this mode.
+         * @since v0.7.7
+         * @param mode If `true`, configures the `tty.ReadStream` to operate as a raw device. If `false`, configures the `tty.ReadStream` to operate in its default mode. The `readStream.isRaw`
+         * property will be set to the resulting mode.
+         * @return The read stream instance.
+         */
+        setRawMode(mode: boolean): this;
+        /**
+         * A `boolean` that is always `true` for `tty.ReadStream` instances.
+         * @since v0.5.8
+         */
+        isTTY: boolean;
+    }
+    /**
+     * -1 - to the left from cursor
+     *  0 - the entire line
+     *  1 - to the right from cursor
+     */
+    type Direction = -1 | 0 | 1;
+    /**
+     * Represents the writable side of a TTY. In normal circumstances,`process.stdout` and `process.stderr` will be the only`tty.WriteStream` instances created for a Node.js process and there
+     * should be no reason to create additional instances.
+     * @since v0.5.8
+     */
+    class WriteStream extends net.Socket {
+        constructor(fd: number);
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'resize', listener: () => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'resize'): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'resize', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'resize', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'resize', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'resize', listener: () => void): this;
+        /**
+         * `writeStream.clearLine()` clears the current line of this `WriteStream` in a
+         * direction identified by `dir`.
+         * @since v0.7.7
+         * @param callback Invoked once the operation completes.
+         * @return `false` if the stream wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+         */
+        clearLine(dir: Direction, callback?: () => void): boolean;
+        /**
+         * `writeStream.clearScreenDown()` clears this `WriteStream` from the current
+         * cursor down.
+         * @since v0.7.7
+         * @param callback Invoked once the operation completes.
+         * @return `false` if the stream wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+         */
+        clearScreenDown(callback?: () => void): boolean;
+        /**
+         * `writeStream.cursorTo()` moves this `WriteStream`'s cursor to the specified
+         * position.
+         * @since v0.7.7
+         * @param callback Invoked once the operation completes.
+         * @return `false` if the stream wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+         */
+        cursorTo(x: number, y?: number, callback?: () => void): boolean;
+        cursorTo(x: number, callback: () => void): boolean;
+        /**
+         * `writeStream.moveCursor()` moves this `WriteStream`'s cursor _relative_ to its
+         * current position.
+         * @since v0.7.7
+         * @param callback Invoked once the operation completes.
+         * @return `false` if the stream wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+         */
+        moveCursor(dx: number, dy: number, callback?: () => void): boolean;
+        /**
+         * Returns:
+         *
+         * * `1` for 2,
+         * * `4` for 16,
+         * * `8` for 256,
+         * * `24` for 16,777,216 colors supported.
+         *
+         * Use this to determine what colors the terminal supports. Due to the nature of
+         * colors in terminals it is possible to either have false positives or false
+         * negatives. It depends on process information and the environment variables that
+         * may lie about what terminal is used.
+         * It is possible to pass in an `env` object to simulate the usage of a specific
+         * terminal. This can be useful to check how specific environment settings behave.
+         *
+         * To enforce a specific color support, use one of the below environment settings.
+         *
+         * * 2 colors: `FORCE_COLOR = 0` (Disables colors)
+         * * 16 colors: `FORCE_COLOR = 1`
+         * * 256 colors: `FORCE_COLOR = 2`
+         * * 16,777,216 colors: `FORCE_COLOR = 3`
+         *
+         * Disabling color support is also possible by using the `NO_COLOR` and`NODE_DISABLE_COLORS` environment variables.
+         * @since v9.9.0
+         * @param [env=process.env] An object containing the environment variables to check. This enables simulating the usage of a specific terminal.
+         */
+        getColorDepth(env?: object): number;
+        /**
+         * Returns `true` if the `writeStream` supports at least as many colors as provided
+         * in `count`. Minimum support is 2 (black and white).
+         *
+         * This has the same false positives and negatives as described in `writeStream.getColorDepth()`.
+         *
+         * ```js
+         * process.stdout.hasColors();
+         * // Returns true or false depending on if `stdout` supports at least 16 colors.
+         * process.stdout.hasColors(256);
+         * // Returns true or false depending on if `stdout` supports at least 256 colors.
+         * process.stdout.hasColors({ TMUX: '1' });
+         * // Returns true.
+         * process.stdout.hasColors(2 ** 24, { TMUX: '1' });
+         * // Returns false (the environment setting pretends to support 2 ** 8 colors).
+         * ```
+         * @since v11.13.0, v10.16.0
+         * @param [count=16] The number of colors that are requested (minimum 2).
+         * @param [env=process.env] An object containing the environment variables to check. This enables simulating the usage of a specific terminal.
+         */
+        hasColors(count?: number): boolean;
+        hasColors(env?: object): boolean;
+        hasColors(count: number, env?: object): boolean;
+        /**
+         * `writeStream.getWindowSize()` returns the size of the TTY
+         * corresponding to this `WriteStream`. The array is of the type`[numColumns, numRows]` where `numColumns` and `numRows` represent the number
+         * of columns and rows in the corresponding TTY.
+         * @since v0.7.7
+         */
+        getWindowSize(): [number, number];
+        /**
+         * A `number` specifying the number of columns the TTY currently has. This property
+         * is updated whenever the `'resize'` event is emitted.
+         * @since v0.7.7
+         */
+        columns: number;
+        /**
+         * A `number` specifying the number of rows the TTY currently has. This property
+         * is updated whenever the `'resize'` event is emitted.
+         * @since v0.7.7
+         */
+        rows: number;
+        /**
+         * A `boolean` that is always `true`.
+         * @since v0.5.8
+         */
+        isTTY: boolean;
+    }
+}
+declare module 'node:tty' {
+    export * from 'tty';
+}
diff --git a/node_modules/@types/node/ts4.8/url.d.ts b/node_modules/@types/node/ts4.8/url.d.ts
new file mode 100644
index 000000000..18362c8aa
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/url.d.ts
@@ -0,0 +1,897 @@
+/**
+ * The `url` module provides utilities for URL resolution and parsing. It can be
+ * accessed using:
+ *
+ * ```js
+ * import url from 'url';
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/url.js)
+ */
+declare module 'url' {
+    import { Blob } from 'node:buffer';
+    import { ClientRequestArgs } from 'node:http';
+    import { ParsedUrlQuery, ParsedUrlQueryInput } from 'node:querystring';
+    // Input to `url.format`
+    interface UrlObject {
+        auth?: string | null | undefined;
+        hash?: string | null | undefined;
+        host?: string | null | undefined;
+        hostname?: string | null | undefined;
+        href?: string | null | undefined;
+        pathname?: string | null | undefined;
+        protocol?: string | null | undefined;
+        search?: string | null | undefined;
+        slashes?: boolean | null | undefined;
+        port?: string | number | null | undefined;
+        query?: string | null | ParsedUrlQueryInput | undefined;
+    }
+    // Output of `url.parse`
+    interface Url {
+        auth: string | null;
+        hash: string | null;
+        host: string | null;
+        hostname: string | null;
+        href: string;
+        path: string | null;
+        pathname: string | null;
+        protocol: string | null;
+        search: string | null;
+        slashes: boolean | null;
+        port: string | null;
+        query: string | null | ParsedUrlQuery;
+    }
+    interface UrlWithParsedQuery extends Url {
+        query: ParsedUrlQuery;
+    }
+    interface UrlWithStringQuery extends Url {
+        query: string | null;
+    }
+    /**
+     * The `url.parse()` method takes a URL string, parses it, and returns a URL
+     * object.
+     *
+     * A `TypeError` is thrown if `urlString` is not a string.
+     *
+     * A `URIError` is thrown if the `auth` property is present but cannot be decoded.
+     *
+     * Use of the legacy `url.parse()` method is discouraged. Users should
+     * use the WHATWG `URL` API. Because the `url.parse()` method uses a
+     * lenient, non-standard algorithm for parsing URL strings, security
+     * issues can be introduced. Specifically, issues with [host name spoofing](https://hackerone.com/reports/678487) and
+     * incorrect handling of usernames and passwords have been identified.
+     *
+     * Deprecation of this API has been shelved for now primarily due to the the
+     * inability of the [WHATWG API to parse relative URLs](https://github.com/nodejs/node/issues/12682#issuecomment-1154492373).
+     * [Discussions are ongoing](https://github.com/whatwg/url/issues/531) for the  best way to resolve this.
+     *
+     * @since v0.1.25
+     * @param urlString The URL string to parse.
+     * @param [parseQueryString=false] If `true`, the `query` property will always be set to an object returned by the {@link querystring} module's `parse()` method. If `false`, the `query` property
+     * on the returned URL object will be an unparsed, undecoded string.
+     * @param [slashesDenoteHost=false] If `true`, the first token after the literal string `//` and preceding the next `/` will be interpreted as the `host`. For instance, given `//foo/bar`, the
+     * result would be `{host: 'foo', pathname: '/bar'}` rather than `{pathname: '//foo/bar'}`.
+     */
+    function parse(urlString: string): UrlWithStringQuery;
+    function parse(urlString: string, parseQueryString: false | undefined, slashesDenoteHost?: boolean): UrlWithStringQuery;
+    function parse(urlString: string, parseQueryString: true, slashesDenoteHost?: boolean): UrlWithParsedQuery;
+    function parse(urlString: string, parseQueryString: boolean, slashesDenoteHost?: boolean): Url;
+    /**
+     * The `url.format()` method returns a formatted URL string derived from`urlObject`.
+     *
+     * ```js
+     * const url = require('url');
+     * url.format({
+     *   protocol: 'https',
+     *   hostname: 'example.com',
+     *   pathname: '/some/path',
+     *   query: {
+     *     page: 1,
+     *     format: 'json'
+     *   }
+     * });
+     *
+     * // => 'https://example.com/some/path?page=1&#x26;format=json'
+     * ```
+     *
+     * If `urlObject` is not an object or a string, `url.format()` will throw a `TypeError`.
+     *
+     * The formatting process operates as follows:
+     *
+     * * A new empty string `result` is created.
+     * * If `urlObject.protocol` is a string, it is appended as-is to `result`.
+     * * Otherwise, if `urlObject.protocol` is not `undefined` and is not a string, an `Error` is thrown.
+     * * For all string values of `urlObject.protocol` that _do not end_ with an ASCII
+     * colon (`:`) character, the literal string `:` will be appended to `result`.
+     * * If either of the following conditions is true, then the literal string `//`will be appended to `result`:
+     *    * `urlObject.slashes` property is true;
+     *    * `urlObject.protocol` begins with `http`, `https`, `ftp`, `gopher`, or`file`;
+     * * If the value of the `urlObject.auth` property is truthy, and either`urlObject.host` or `urlObject.hostname` are not `undefined`, the value of`urlObject.auth` will be coerced into a string
+     * and appended to `result`followed by the literal string `@`.
+     * * If the `urlObject.host` property is `undefined` then:
+     *    * If the `urlObject.hostname` is a string, it is appended to `result`.
+     *    * Otherwise, if `urlObject.hostname` is not `undefined` and is not a string,
+     *    an `Error` is thrown.
+     *    * If the `urlObject.port` property value is truthy, and `urlObject.hostname`is not `undefined`:
+     *          * The literal string `:` is appended to `result`, and
+     *          * The value of `urlObject.port` is coerced to a string and appended to`result`.
+     * * Otherwise, if the `urlObject.host` property value is truthy, the value of`urlObject.host` is coerced to a string and appended to `result`.
+     * * If the `urlObject.pathname` property is a string that is not an empty string:
+     *    * If the `urlObject.pathname`_does not start_ with an ASCII forward slash
+     *    (`/`), then the literal string `'/'` is appended to `result`.
+     *    * The value of `urlObject.pathname` is appended to `result`.
+     * * Otherwise, if `urlObject.pathname` is not `undefined` and is not a string, an `Error` is thrown.
+     * * If the `urlObject.search` property is `undefined` and if the `urlObject.query`property is an `Object`, the literal string `?` is appended to `result`followed by the output of calling the
+     * `querystring` module's `stringify()`method passing the value of `urlObject.query`.
+     * * Otherwise, if `urlObject.search` is a string:
+     *    * If the value of `urlObject.search`_does not start_ with the ASCII question
+     *    mark (`?`) character, the literal string `?` is appended to `result`.
+     *    * The value of `urlObject.search` is appended to `result`.
+     * * Otherwise, if `urlObject.search` is not `undefined` and is not a string, an `Error` is thrown.
+     * * If the `urlObject.hash` property is a string:
+     *    * If the value of `urlObject.hash`_does not start_ with the ASCII hash (`#`)
+     *    character, the literal string `#` is appended to `result`.
+     *    * The value of `urlObject.hash` is appended to `result`.
+     * * Otherwise, if the `urlObject.hash` property is not `undefined` and is not a
+     * string, an `Error` is thrown.
+     * * `result` is returned.
+     * @since v0.1.25
+     * @deprecated Legacy: Use the WHATWG URL API instead.
+     * @param urlObject A URL object (as returned by `url.parse()` or constructed otherwise). If a string, it is converted to an object by passing it to `url.parse()`.
+     */
+    function format(urlObject: URL, options?: URLFormatOptions): string;
+    /**
+     * The `url.format()` method returns a formatted URL string derived from`urlObject`.
+     *
+     * ```js
+     * const url = require('url');
+     * url.format({
+     *   protocol: 'https',
+     *   hostname: 'example.com',
+     *   pathname: '/some/path',
+     *   query: {
+     *     page: 1,
+     *     format: 'json'
+     *   }
+     * });
+     *
+     * // => 'https://example.com/some/path?page=1&#x26;format=json'
+     * ```
+     *
+     * If `urlObject` is not an object or a string, `url.format()` will throw a `TypeError`.
+     *
+     * The formatting process operates as follows:
+     *
+     * * A new empty string `result` is created.
+     * * If `urlObject.protocol` is a string, it is appended as-is to `result`.
+     * * Otherwise, if `urlObject.protocol` is not `undefined` and is not a string, an `Error` is thrown.
+     * * For all string values of `urlObject.protocol` that _do not end_ with an ASCII
+     * colon (`:`) character, the literal string `:` will be appended to `result`.
+     * * If either of the following conditions is true, then the literal string `//`will be appended to `result`:
+     *    * `urlObject.slashes` property is true;
+     *    * `urlObject.protocol` begins with `http`, `https`, `ftp`, `gopher`, or`file`;
+     * * If the value of the `urlObject.auth` property is truthy, and either`urlObject.host` or `urlObject.hostname` are not `undefined`, the value of`urlObject.auth` will be coerced into a string
+     * and appended to `result`followed by the literal string `@`.
+     * * If the `urlObject.host` property is `undefined` then:
+     *    * If the `urlObject.hostname` is a string, it is appended to `result`.
+     *    * Otherwise, if `urlObject.hostname` is not `undefined` and is not a string,
+     *    an `Error` is thrown.
+     *    * If the `urlObject.port` property value is truthy, and `urlObject.hostname`is not `undefined`:
+     *          * The literal string `:` is appended to `result`, and
+     *          * The value of `urlObject.port` is coerced to a string and appended to`result`.
+     * * Otherwise, if the `urlObject.host` property value is truthy, the value of`urlObject.host` is coerced to a string and appended to `result`.
+     * * If the `urlObject.pathname` property is a string that is not an empty string:
+     *    * If the `urlObject.pathname`_does not start_ with an ASCII forward slash
+     *    (`/`), then the literal string `'/'` is appended to `result`.
+     *    * The value of `urlObject.pathname` is appended to `result`.
+     * * Otherwise, if `urlObject.pathname` is not `undefined` and is not a string, an `Error` is thrown.
+     * * If the `urlObject.search` property is `undefined` and if the `urlObject.query`property is an `Object`, the literal string `?` is appended to `result`followed by the output of calling the
+     * `querystring` module's `stringify()`method passing the value of `urlObject.query`.
+     * * Otherwise, if `urlObject.search` is a string:
+     *    * If the value of `urlObject.search`_does not start_ with the ASCII question
+     *    mark (`?`) character, the literal string `?` is appended to `result`.
+     *    * The value of `urlObject.search` is appended to `result`.
+     * * Otherwise, if `urlObject.search` is not `undefined` and is not a string, an `Error` is thrown.
+     * * If the `urlObject.hash` property is a string:
+     *    * If the value of `urlObject.hash`_does not start_ with the ASCII hash (`#`)
+     *    character, the literal string `#` is appended to `result`.
+     *    * The value of `urlObject.hash` is appended to `result`.
+     * * Otherwise, if the `urlObject.hash` property is not `undefined` and is not a
+     * string, an `Error` is thrown.
+     * * `result` is returned.
+     * @since v0.1.25
+     * @deprecated Legacy: Use the WHATWG URL API instead.
+     * @param urlObject A URL object (as returned by `url.parse()` or constructed otherwise). If a string, it is converted to an object by passing it to `url.parse()`.
+     */
+    function format(urlObject: UrlObject | string): string;
+    /**
+     * The `url.resolve()` method resolves a target URL relative to a base URL in a
+     * manner similar to that of a web browser resolving an anchor tag.
+     *
+     * ```js
+     * const url = require('url');
+     * url.resolve('/one/two/three', 'four');         // '/one/two/four'
+     * url.resolve('http://example.com/', '/one');    // 'http://example.com/one'
+     * url.resolve('http://example.com/one', '/two'); // 'http://example.com/two'
+     * ```
+     *
+     * To achieve the same result using the WHATWG URL API:
+     *
+     * ```js
+     * function resolve(from, to) {
+     *   const resolvedUrl = new URL(to, new URL(from, 'resolve://'));
+     *   if (resolvedUrl.protocol === 'resolve:') {
+     *     // `from` is a relative URL.
+     *     const { pathname, search, hash } = resolvedUrl;
+     *     return pathname + search + hash;
+     *   }
+     *   return resolvedUrl.toString();
+     * }
+     *
+     * resolve('/one/two/three', 'four');         // '/one/two/four'
+     * resolve('http://example.com/', '/one');    // 'http://example.com/one'
+     * resolve('http://example.com/one', '/two'); // 'http://example.com/two'
+     * ```
+     * @since v0.1.25
+     * @deprecated Legacy: Use the WHATWG URL API instead.
+     * @param from The base URL to use if `to` is a relative URL.
+     * @param to The target URL to resolve.
+     */
+    function resolve(from: string, to: string): string;
+    /**
+     * Returns the [Punycode](https://tools.ietf.org/html/rfc5891#section-4.4) ASCII serialization of the `domain`. If `domain` is an
+     * invalid domain, the empty string is returned.
+     *
+     * It performs the inverse operation to {@link domainToUnicode}.
+     *
+     * This feature is only available if the `node` executable was compiled with `ICU` enabled. If not, the domain names are passed through unchanged.
+     *
+     * ```js
+     * import url from 'url';
+     *
+     * console.log(url.domainToASCII('español.com'));
+     * // Prints xn--espaol-zwa.com
+     * console.log(url.domainToASCII('中文.com'));
+     * // Prints xn--fiq228c.com
+     * console.log(url.domainToASCII('xn--iñvalid.com'));
+     * // Prints an empty string
+     * ```
+     * @since v7.4.0, v6.13.0
+     */
+    function domainToASCII(domain: string): string;
+    /**
+     * Returns the Unicode serialization of the `domain`. If `domain` is an invalid
+     * domain, the empty string is returned.
+     *
+     * It performs the inverse operation to {@link domainToASCII}.
+     *
+     * This feature is only available if the `node` executable was compiled with `ICU` enabled. If not, the domain names are passed through unchanged.
+     *
+     * ```js
+     * import url from 'url';
+     *
+     * console.log(url.domainToUnicode('xn--espaol-zwa.com'));
+     * // Prints español.com
+     * console.log(url.domainToUnicode('xn--fiq228c.com'));
+     * // Prints 中文.com
+     * console.log(url.domainToUnicode('xn--iñvalid.com'));
+     * // Prints an empty string
+     * ```
+     * @since v7.4.0, v6.13.0
+     */
+    function domainToUnicode(domain: string): string;
+    /**
+     * This function ensures the correct decodings of percent-encoded characters as
+     * well as ensuring a cross-platform valid absolute path string.
+     *
+     * ```js
+     * import { fileURLToPath } from 'url';
+     *
+     * const __filename = fileURLToPath(import.meta.url);
+     *
+     * new URL('file:///C:/path/').pathname;      // Incorrect: /C:/path/
+     * fileURLToPath('file:///C:/path/');         // Correct:   C:\path\ (Windows)
+     *
+     * new URL('file://nas/foo.txt').pathname;    // Incorrect: /foo.txt
+     * fileURLToPath('file://nas/foo.txt');       // Correct:   \\nas\foo.txt (Windows)
+     *
+     * new URL('file:///你好.txt').pathname;      // Incorrect: /%E4%BD%A0%E5%A5%BD.txt
+     * fileURLToPath('file:///你好.txt');         // Correct:   /你好.txt (POSIX)
+     *
+     * new URL('file:///hello world').pathname;   // Incorrect: /hello%20world
+     * fileURLToPath('file:///hello world');      // Correct:   /hello world (POSIX)
+     * ```
+     * @since v10.12.0
+     * @param url The file URL string or URL object to convert to a path.
+     * @return The fully-resolved platform-specific Node.js file path.
+     */
+    function fileURLToPath(url: string | URL): string;
+    /**
+     * This function ensures that `path` is resolved absolutely, and that the URL
+     * control characters are correctly encoded when converting into a File URL.
+     *
+     * ```js
+     * import { pathToFileURL } from 'url';
+     *
+     * new URL('/foo#1', 'file:');           // Incorrect: file:///foo#1
+     * pathToFileURL('/foo#1');              // Correct:   file:///foo%231 (POSIX)
+     *
+     * new URL('/some/path%.c', 'file:');    // Incorrect: file:///some/path%.c
+     * pathToFileURL('/some/path%.c');       // Correct:   file:///some/path%25.c (POSIX)
+     * ```
+     * @since v10.12.0
+     * @param path The path to convert to a File URL.
+     * @return The file URL object.
+     */
+    function pathToFileURL(path: string): URL;
+    /**
+     * This utility function converts a URL object into an ordinary options object as
+     * expected by the `http.request()` and `https.request()` APIs.
+     *
+     * ```js
+     * import { urlToHttpOptions } from 'url';
+     * const myURL = new URL('https://a:b@測試?abc#foo');
+     *
+     * console.log(urlToHttpOptions(myURL));
+     * /*
+     * {
+     *   protocol: 'https:',
+     *   hostname: 'xn--g6w251d',
+     *   hash: '#foo',
+     *   search: '?abc',
+     *   pathname: '/',
+     *   path: '/?abc',
+     *   href: 'https://a:b@xn--g6w251d/?abc#foo',
+     *   auth: 'a:b'
+     * }
+     *
+     * ```
+     * @since v15.7.0, v14.18.0
+     * @param url The `WHATWG URL` object to convert to an options object.
+     * @return Options object
+     */
+    function urlToHttpOptions(url: URL): ClientRequestArgs;
+    interface URLFormatOptions {
+        auth?: boolean | undefined;
+        fragment?: boolean | undefined;
+        search?: boolean | undefined;
+        unicode?: boolean | undefined;
+    }
+    /**
+     * Browser-compatible `URL` class, implemented by following the WHATWG URL
+     * Standard. [Examples of parsed URLs](https://url.spec.whatwg.org/#example-url-parsing) may be found in the Standard itself.
+     * The `URL` class is also available on the global object.
+     *
+     * In accordance with browser conventions, all properties of `URL` objects
+     * are implemented as getters and setters on the class prototype, rather than as
+     * data properties on the object itself. Thus, unlike `legacy urlObject` s,
+     * using the `delete` keyword on any properties of `URL` objects (e.g. `delete myURL.protocol`, `delete myURL.pathname`, etc) has no effect but will still
+     * return `true`.
+     * @since v7.0.0, v6.13.0
+     */
+    class URL {
+        /**
+         * Creates a `'blob:nodedata:...'` URL string that represents the given `Blob` object and can be used to retrieve the `Blob` later.
+         *
+         * ```js
+         * const {
+         *   Blob,
+         *   resolveObjectURL,
+         * } = require('buffer');
+         *
+         * const blob = new Blob(['hello']);
+         * const id = URL.createObjectURL(blob);
+         *
+         * // later...
+         *
+         * const otherBlob = resolveObjectURL(id);
+         * console.log(otherBlob.size);
+         * ```
+         *
+         * The data stored by the registered `Blob` will be retained in memory until`URL.revokeObjectURL()` is called to remove it.
+         *
+         * `Blob` objects are registered within the current thread. If using Worker
+         * Threads, `Blob` objects registered within one Worker will not be available
+         * to other workers or the main thread.
+         * @since v16.7.0
+         * @experimental
+         */
+        static createObjectURL(blob: Blob): string;
+        /**
+         * Removes the stored `Blob` identified by the given ID. Attempting to revoke a
+         * ID that isn’t registered will silently fail.
+         * @since v16.7.0
+         * @experimental
+         * @param id A `'blob:nodedata:...` URL string returned by a prior call to `URL.createObjectURL()`.
+         */
+        static revokeObjectURL(objectUrl: string): void;
+        constructor(input: string, base?: string | URL);
+        /**
+         * Gets and sets the fragment portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org/foo#bar');
+         * console.log(myURL.hash);
+         * // Prints #bar
+         *
+         * myURL.hash = 'baz';
+         * console.log(myURL.href);
+         * // Prints https://example.org/foo#baz
+         * ```
+         *
+         * Invalid URL characters included in the value assigned to the `hash` property
+         * are `percent-encoded`. The selection of which characters to
+         * percent-encode may vary somewhat from what the {@link parse} and {@link format} methods would produce.
+         */
+        hash: string;
+        /**
+         * Gets and sets the host portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org:81/foo');
+         * console.log(myURL.host);
+         * // Prints example.org:81
+         *
+         * myURL.host = 'example.com:82';
+         * console.log(myURL.href);
+         * // Prints https://example.com:82/foo
+         * ```
+         *
+         * Invalid host values assigned to the `host` property are ignored.
+         */
+        host: string;
+        /**
+         * Gets and sets the host name portion of the URL. The key difference between`url.host` and `url.hostname` is that `url.hostname` does _not_ include the
+         * port.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org:81/foo');
+         * console.log(myURL.hostname);
+         * // Prints example.org
+         *
+         * // Setting the hostname does not change the port
+         * myURL.hostname = 'example.com:82';
+         * console.log(myURL.href);
+         * // Prints https://example.com:81/foo
+         *
+         * // Use myURL.host to change the hostname and port
+         * myURL.host = 'example.org:82';
+         * console.log(myURL.href);
+         * // Prints https://example.org:82/foo
+         * ```
+         *
+         * Invalid host name values assigned to the `hostname` property are ignored.
+         */
+        hostname: string;
+        /**
+         * Gets and sets the serialized URL.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org/foo');
+         * console.log(myURL.href);
+         * // Prints https://example.org/foo
+         *
+         * myURL.href = 'https://example.com/bar';
+         * console.log(myURL.href);
+         * // Prints https://example.com/bar
+         * ```
+         *
+         * Getting the value of the `href` property is equivalent to calling {@link toString}.
+         *
+         * Setting the value of this property to a new value is equivalent to creating a
+         * new `URL` object using `new URL(value)`. Each of the `URL`object's properties will be modified.
+         *
+         * If the value assigned to the `href` property is not a valid URL, a `TypeError`will be thrown.
+         */
+        href: string;
+        /**
+         * Gets the read-only serialization of the URL's origin.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org/foo/bar?baz');
+         * console.log(myURL.origin);
+         * // Prints https://example.org
+         * ```
+         *
+         * ```js
+         * const idnURL = new URL('https://測試');
+         * console.log(idnURL.origin);
+         * // Prints https://xn--g6w251d
+         *
+         * console.log(idnURL.hostname);
+         * // Prints xn--g6w251d
+         * ```
+         */
+        readonly origin: string;
+        /**
+         * Gets and sets the password portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://abc:xyz@example.com');
+         * console.log(myURL.password);
+         * // Prints xyz
+         *
+         * myURL.password = '123';
+         * console.log(myURL.href);
+         * // Prints https://abc:123@example.com
+         * ```
+         *
+         * Invalid URL characters included in the value assigned to the `password` property
+         * are `percent-encoded`. The selection of which characters to
+         * percent-encode may vary somewhat from what the {@link parse} and {@link format} methods would produce.
+         */
+        password: string;
+        /**
+         * Gets and sets the path portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org/abc/xyz?123');
+         * console.log(myURL.pathname);
+         * // Prints /abc/xyz
+         *
+         * myURL.pathname = '/abcdef';
+         * console.log(myURL.href);
+         * // Prints https://example.org/abcdef?123
+         * ```
+         *
+         * Invalid URL characters included in the value assigned to the `pathname`property are `percent-encoded`. The selection of which characters
+         * to percent-encode may vary somewhat from what the {@link parse} and {@link format} methods would produce.
+         */
+        pathname: string;
+        /**
+         * Gets and sets the port portion of the URL.
+         *
+         * The port value may be a number or a string containing a number in the range`0` to `65535` (inclusive). Setting the value to the default port of the`URL` objects given `protocol` will
+         * result in the `port` value becoming
+         * the empty string (`''`).
+         *
+         * The port value can be an empty string in which case the port depends on
+         * the protocol/scheme:
+         *
+         * <omitted>
+         *
+         * Upon assigning a value to the port, the value will first be converted to a
+         * string using `.toString()`.
+         *
+         * If that string is invalid but it begins with a number, the leading number is
+         * assigned to `port`.
+         * If the number lies outside the range denoted above, it is ignored.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org:8888');
+         * console.log(myURL.port);
+         * // Prints 8888
+         *
+         * // Default ports are automatically transformed to the empty string
+         * // (HTTPS protocol's default port is 443)
+         * myURL.port = '443';
+         * console.log(myURL.port);
+         * // Prints the empty string
+         * console.log(myURL.href);
+         * // Prints https://example.org/
+         *
+         * myURL.port = 1234;
+         * console.log(myURL.port);
+         * // Prints 1234
+         * console.log(myURL.href);
+         * // Prints https://example.org:1234/
+         *
+         * // Completely invalid port strings are ignored
+         * myURL.port = 'abcd';
+         * console.log(myURL.port);
+         * // Prints 1234
+         *
+         * // Leading numbers are treated as a port number
+         * myURL.port = '5678abcd';
+         * console.log(myURL.port);
+         * // Prints 5678
+         *
+         * // Non-integers are truncated
+         * myURL.port = 1234.5678;
+         * console.log(myURL.port);
+         * // Prints 1234
+         *
+         * // Out-of-range numbers which are not represented in scientific notation
+         * // will be ignored.
+         * myURL.port = 1e10; // 10000000000, will be range-checked as described below
+         * console.log(myURL.port);
+         * // Prints 1234
+         * ```
+         *
+         * Numbers which contain a decimal point,
+         * such as floating-point numbers or numbers in scientific notation,
+         * are not an exception to this rule.
+         * Leading numbers up to the decimal point will be set as the URL's port,
+         * assuming they are valid:
+         *
+         * ```js
+         * myURL.port = 4.567e21;
+         * console.log(myURL.port);
+         * // Prints 4 (because it is the leading number in the string '4.567e21')
+         * ```
+         */
+        port: string;
+        /**
+         * Gets and sets the protocol portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org');
+         * console.log(myURL.protocol);
+         * // Prints https:
+         *
+         * myURL.protocol = 'ftp';
+         * console.log(myURL.href);
+         * // Prints ftp://example.org/
+         * ```
+         *
+         * Invalid URL protocol values assigned to the `protocol` property are ignored.
+         */
+        protocol: string;
+        /**
+         * Gets and sets the serialized query portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org/abc?123');
+         * console.log(myURL.search);
+         * // Prints ?123
+         *
+         * myURL.search = 'abc=xyz';
+         * console.log(myURL.href);
+         * // Prints https://example.org/abc?abc=xyz
+         * ```
+         *
+         * Any invalid URL characters appearing in the value assigned the `search`property will be `percent-encoded`. The selection of which
+         * characters to percent-encode may vary somewhat from what the {@link parse} and {@link format} methods would produce.
+         */
+        search: string;
+        /**
+         * Gets the `URLSearchParams` object representing the query parameters of the
+         * URL. This property is read-only but the `URLSearchParams` object it provides
+         * can be used to mutate the URL instance; to replace the entirety of query
+         * parameters of the URL, use the {@link search} setter. See `URLSearchParams` documentation for details.
+         *
+         * Use care when using `.searchParams` to modify the `URL` because,
+         * per the WHATWG specification, the `URLSearchParams` object uses
+         * different rules to determine which characters to percent-encode. For
+         * instance, the `URL` object will not percent encode the ASCII tilde (`~`)
+         * character, while `URLSearchParams` will always encode it:
+         *
+         * ```js
+         * const myUrl = new URL('https://example.org/abc?foo=~bar');
+         *
+         * console.log(myUrl.search);  // prints ?foo=~bar
+         *
+         * // Modify the URL via searchParams...
+         * myUrl.searchParams.sort();
+         *
+         * console.log(myUrl.search);  // prints ?foo=%7Ebar
+         * ```
+         */
+        readonly searchParams: URLSearchParams;
+        /**
+         * Gets and sets the username portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://abc:xyz@example.com');
+         * console.log(myURL.username);
+         * // Prints abc
+         *
+         * myURL.username = '123';
+         * console.log(myURL.href);
+         * // Prints https://123:xyz@example.com/
+         * ```
+         *
+         * Any invalid URL characters appearing in the value assigned the `username`property will be `percent-encoded`. The selection of which
+         * characters to percent-encode may vary somewhat from what the {@link parse} and {@link format} methods would produce.
+         */
+        username: string;
+        /**
+         * The `toString()` method on the `URL` object returns the serialized URL. The
+         * value returned is equivalent to that of {@link href} and {@link toJSON}.
+         */
+        toString(): string;
+        /**
+         * The `toJSON()` method on the `URL` object returns the serialized URL. The
+         * value returned is equivalent to that of {@link href} and {@link toString}.
+         *
+         * This method is automatically called when an `URL` object is serialized
+         * with [`JSON.stringify()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify).
+         *
+         * ```js
+         * const myURLs = [
+         *   new URL('https://www.example.com'),
+         *   new URL('https://test.example.org'),
+         * ];
+         * console.log(JSON.stringify(myURLs));
+         * // Prints ["https://www.example.com/","https://test.example.org/"]
+         * ```
+         */
+        toJSON(): string;
+    }
+    /**
+     * The `URLSearchParams` API provides read and write access to the query of a`URL`. The `URLSearchParams` class can also be used standalone with one of the
+     * four following constructors.
+     * The `URLSearchParams` class is also available on the global object.
+     *
+     * The WHATWG `URLSearchParams` interface and the `querystring` module have
+     * similar purpose, but the purpose of the `querystring` module is more
+     * general, as it allows the customization of delimiter characters (`&#x26;` and `=`).
+     * On the other hand, this API is designed purely for URL query strings.
+     *
+     * ```js
+     * const myURL = new URL('https://example.org/?abc=123');
+     * console.log(myURL.searchParams.get('abc'));
+     * // Prints 123
+     *
+     * myURL.searchParams.append('abc', 'xyz');
+     * console.log(myURL.href);
+     * // Prints https://example.org/?abc=123&#x26;abc=xyz
+     *
+     * myURL.searchParams.delete('abc');
+     * myURL.searchParams.set('a', 'b');
+     * console.log(myURL.href);
+     * // Prints https://example.org/?a=b
+     *
+     * const newSearchParams = new URLSearchParams(myURL.searchParams);
+     * // The above is equivalent to
+     * // const newSearchParams = new URLSearchParams(myURL.search);
+     *
+     * newSearchParams.append('a', 'c');
+     * console.log(myURL.href);
+     * // Prints https://example.org/?a=b
+     * console.log(newSearchParams.toString());
+     * // Prints a=b&#x26;a=c
+     *
+     * // newSearchParams.toString() is implicitly called
+     * myURL.search = newSearchParams;
+     * console.log(myURL.href);
+     * // Prints https://example.org/?a=b&#x26;a=c
+     * newSearchParams.delete('a');
+     * console.log(myURL.href);
+     * // Prints https://example.org/?a=b&#x26;a=c
+     * ```
+     * @since v7.5.0, v6.13.0
+     */
+    class URLSearchParams implements Iterable<[string, string]> {
+        constructor(init?: URLSearchParams | string | Record<string, string | ReadonlyArray<string>> | Iterable<[string, string]> | ReadonlyArray<[string, string]>);
+        /**
+         * Append a new name-value pair to the query string.
+         */
+        append(name: string, value: string): void;
+        /**
+         * Remove all name-value pairs whose name is `name`.
+         */
+        delete(name: string): void;
+        /**
+         * Returns an ES6 `Iterator` over each of the name-value pairs in the query.
+         * Each item of the iterator is a JavaScript `Array`. The first item of the `Array`is the `name`, the second item of the `Array` is the `value`.
+         *
+         * Alias for `urlSearchParams[@@iterator]()`.
+         */
+        entries(): IterableIterator<[string, string]>;
+        /**
+         * Iterates over each name-value pair in the query and invokes the given function.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org/?a=b&#x26;c=d');
+         * myURL.searchParams.forEach((value, name, searchParams) => {
+         *   console.log(name, value, myURL.searchParams === searchParams);
+         * });
+         * // Prints:
+         * //   a b true
+         * //   c d true
+         * ```
+         * @param fn Invoked for each name-value pair in the query
+         * @param thisArg To be used as `this` value for when `fn` is called
+         */
+        forEach<TThis = this>(callback: (this: TThis, value: string, name: string, searchParams: URLSearchParams) => void, thisArg?: TThis): void;
+        /**
+         * Returns the value of the first name-value pair whose name is `name`. If there
+         * are no such pairs, `null` is returned.
+         * @return or `null` if there is no name-value pair with the given `name`.
+         */
+        get(name: string): string | null;
+        /**
+         * Returns the values of all name-value pairs whose name is `name`. If there are
+         * no such pairs, an empty array is returned.
+         */
+        getAll(name: string): string[];
+        /**
+         * Returns `true` if there is at least one name-value pair whose name is `name`.
+         */
+        has(name: string): boolean;
+        /**
+         * Returns an ES6 `Iterator` over the names of each name-value pair.
+         *
+         * ```js
+         * const params = new URLSearchParams('foo=bar&#x26;foo=baz');
+         * for (const name of params.keys()) {
+         *   console.log(name);
+         * }
+         * // Prints:
+         * //   foo
+         * //   foo
+         * ```
+         */
+        keys(): IterableIterator<string>;
+        /**
+         * Sets the value in the `URLSearchParams` object associated with `name` to`value`. If there are any pre-existing name-value pairs whose names are `name`,
+         * set the first such pair's value to `value` and remove all others. If not,
+         * append the name-value pair to the query string.
+         *
+         * ```js
+         * const params = new URLSearchParams();
+         * params.append('foo', 'bar');
+         * params.append('foo', 'baz');
+         * params.append('abc', 'def');
+         * console.log(params.toString());
+         * // Prints foo=bar&#x26;foo=baz&#x26;abc=def
+         *
+         * params.set('foo', 'def');
+         * params.set('xyz', 'opq');
+         * console.log(params.toString());
+         * // Prints foo=def&#x26;abc=def&#x26;xyz=opq
+         * ```
+         */
+        set(name: string, value: string): void;
+        /**
+         * Sort all existing name-value pairs in-place by their names. Sorting is done
+         * with a [stable sorting algorithm](https://en.wikipedia.org/wiki/Sorting_algorithm#Stability), so relative order between name-value pairs
+         * with the same name is preserved.
+         *
+         * This method can be used, in particular, to increase cache hits.
+         *
+         * ```js
+         * const params = new URLSearchParams('query[]=abc&#x26;type=search&#x26;query[]=123');
+         * params.sort();
+         * console.log(params.toString());
+         * // Prints query%5B%5D=abc&#x26;query%5B%5D=123&#x26;type=search
+         * ```
+         * @since v7.7.0, v6.13.0
+         */
+        sort(): void;
+        /**
+         * Returns the search parameters serialized as a string, with characters
+         * percent-encoded where necessary.
+         */
+        toString(): string;
+        /**
+         * Returns an ES6 `Iterator` over the values of each name-value pair.
+         */
+        values(): IterableIterator<string>;
+        [Symbol.iterator](): IterableIterator<[string, string]>;
+    }
+    import { URL as _URL, URLSearchParams as _URLSearchParams } from 'url';
+    global {
+        interface URLSearchParams extends _URLSearchParams {}
+        interface URL extends _URL {}
+        interface Global {
+            URL: typeof _URL;
+            URLSearchParams: typeof _URLSearchParams;
+        }
+        /**
+         * `URL` class is a global reference for `require('url').URL`
+         * https://nodejs.org/api/url.html#the-whatwg-url-api
+         * @since v10.0.0
+         */
+        var URL: typeof globalThis extends {
+            onmessage: any;
+            URL: infer URL;
+        }
+            ? URL
+            : typeof _URL;
+        /**
+         * `URLSearchParams` class is a global reference for `require('url').URLSearchParams`
+         * https://nodejs.org/api/url.html#class-urlsearchparams
+         * @since v10.0.0
+         */
+        var URLSearchParams: typeof globalThis extends {
+            onmessage: any;
+            URLSearchParams: infer URLSearchParams;
+        }
+            ? URLSearchParams
+            : typeof _URLSearchParams;
+    }
+}
+declare module 'node:url' {
+    export * from 'url';
+}
diff --git a/node_modules/@types/node/ts4.8/util.d.ts b/node_modules/@types/node/ts4.8/util.d.ts
new file mode 100644
index 000000000..a08132568
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/util.d.ts
@@ -0,0 +1,1792 @@
+/**
+ * The `util` module supports the needs of Node.js internal APIs. Many of the
+ * utilities are useful for application and module developers as well. To access
+ * it:
+ *
+ * ```js
+ * const util = require('util');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/util.js)
+ */
+declare module 'util' {
+    import * as types from 'node:util/types';
+    export interface InspectOptions {
+        /**
+         * If set to `true`, getters are going to be
+         * inspected as well. If set to `'get'` only getters without setter are going
+         * to be inspected. If set to `'set'` only getters having a corresponding
+         * setter are going to be inspected. This might cause side effects depending on
+         * the getter function.
+         * @default `false`
+         */
+        getters?: 'get' | 'set' | boolean | undefined;
+        showHidden?: boolean | undefined;
+        /**
+         * @default 2
+         */
+        depth?: number | null | undefined;
+        colors?: boolean | undefined;
+        customInspect?: boolean | undefined;
+        showProxy?: boolean | undefined;
+        maxArrayLength?: number | null | undefined;
+        /**
+         * Specifies the maximum number of characters to
+         * include when formatting. Set to `null` or `Infinity` to show all elements.
+         * Set to `0` or negative to show no characters.
+         * @default 10000
+         */
+        maxStringLength?: number | null | undefined;
+        breakLength?: number | undefined;
+        /**
+         * Setting this to `false` causes each object key
+         * to be displayed on a new line. It will also add new lines to text that is
+         * longer than `breakLength`. If set to a number, the most `n` inner elements
+         * are united on a single line as long as all properties fit into
+         * `breakLength`. Short array elements are also grouped together. Note that no
+         * text will be reduced below 16 characters, no matter the `breakLength` size.
+         * For more information, see the example below.
+         * @default `true`
+         */
+        compact?: boolean | number | undefined;
+        sorted?: boolean | ((a: string, b: string) => number) | undefined;
+    }
+    export type Style = 'special' | 'number' | 'bigint' | 'boolean' | 'undefined' | 'null' | 'string' | 'symbol' | 'date' | 'regexp' | 'module';
+    export type CustomInspectFunction = (depth: number, options: InspectOptionsStylized) => string;
+    export interface InspectOptionsStylized extends InspectOptions {
+        stylize(text: string, styleType: Style): string;
+    }
+    /**
+     * The `util.format()` method returns a formatted string using the first argument
+     * as a `printf`\-like format string which can contain zero or more format
+     * specifiers. Each specifier is replaced with the converted value from the
+     * corresponding argument. Supported specifiers are:
+     *
+     * If a specifier does not have a corresponding argument, it is not replaced:
+     *
+     * ```js
+     * util.format('%s:%s', 'foo');
+     * // Returns: 'foo:%s'
+     * ```
+     *
+     * Values that are not part of the format string are formatted using`util.inspect()` if their type is not `string`.
+     *
+     * If there are more arguments passed to the `util.format()` method than the
+     * number of specifiers, the extra arguments are concatenated to the returned
+     * string, separated by spaces:
+     *
+     * ```js
+     * util.format('%s:%s', 'foo', 'bar', 'baz');
+     * // Returns: 'foo:bar baz'
+     * ```
+     *
+     * If the first argument does not contain a valid format specifier, `util.format()`returns a string that is the concatenation of all arguments separated by spaces:
+     *
+     * ```js
+     * util.format(1, 2, 3);
+     * // Returns: '1 2 3'
+     * ```
+     *
+     * If only one argument is passed to `util.format()`, it is returned as it is
+     * without any formatting:
+     *
+     * ```js
+     * util.format('%% %s');
+     * // Returns: '%% %s'
+     * ```
+     *
+     * `util.format()` is a synchronous method that is intended as a debugging tool.
+     * Some input values can have a significant performance overhead that can block the
+     * event loop. Use this function with care and never in a hot code path.
+     * @since v0.5.3
+     * @param format A `printf`-like format string.
+     */
+    export function format(format?: any, ...param: any[]): string;
+    /**
+     * This function is identical to {@link format}, except in that it takes
+     * an `inspectOptions` argument which specifies options that are passed along to {@link inspect}.
+     *
+     * ```js
+     * util.formatWithOptions({ colors: true }, 'See object %O', { foo: 42 });
+     * // Returns 'See object { foo: 42 }', where `42` is colored as a number
+     * // when printed to a terminal.
+     * ```
+     * @since v10.0.0
+     */
+    export function formatWithOptions(inspectOptions: InspectOptions, format?: any, ...param: any[]): string;
+    /**
+     * Returns the string name for a numeric error code that comes from a Node.js API.
+     * The mapping between error codes and error names is platform-dependent.
+     * See `Common System Errors` for the names of common errors.
+     *
+     * ```js
+     * fs.access('file/that/does/not/exist', (err) => {
+     *   const name = util.getSystemErrorName(err.errno);
+     *   console.error(name);  // ENOENT
+     * });
+     * ```
+     * @since v9.7.0
+     */
+    export function getSystemErrorName(err: number): string;
+    /**
+     * Returns a Map of all system error codes available from the Node.js API.
+     * The mapping between error codes and error names is platform-dependent.
+     * See `Common System Errors` for the names of common errors.
+     *
+     * ```js
+     * fs.access('file/that/does/not/exist', (err) => {
+     *   const errorMap = util.getSystemErrorMap();
+     *   const name = errorMap.get(err.errno);
+     *   console.error(name);  // ENOENT
+     * });
+     * ```
+     * @since v16.0.0, v14.17.0
+     */
+    export function getSystemErrorMap(): Map<number, [string, string]>;
+    /**
+     * The `util.log()` method prints the given `string` to `stdout` with an included
+     * timestamp.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.log('Timestamped message.');
+     * ```
+     * @since v0.3.0
+     * @deprecated Since v6.0.0 - Use a third party module instead.
+     */
+    export function log(string: string): void;
+    /**
+     * Returns the `string` after replacing any surrogate code points
+     * (or equivalently, any unpaired surrogate code units) with the
+     * Unicode "replacement character" U+FFFD.
+     * @since v16.8.0, v14.18.0
+     */
+    export function toUSVString(string: string): string;
+    /**
+     * The `util.inspect()` method returns a string representation of `object` that is
+     * intended for debugging. The output of `util.inspect` may change at any time
+     * and should not be depended upon programmatically. Additional `options` may be
+     * passed that alter the result.`util.inspect()` will use the constructor's name and/or `@@toStringTag` to make
+     * an identifiable tag for an inspected value.
+     *
+     * ```js
+     * class Foo {
+     *   get [Symbol.toStringTag]() {
+     *     return 'bar';
+     *   }
+     * }
+     *
+     * class Bar {}
+     *
+     * const baz = Object.create(null, { [Symbol.toStringTag]: { value: 'foo' } });
+     *
+     * util.inspect(new Foo()); // 'Foo [bar] {}'
+     * util.inspect(new Bar()); // 'Bar {}'
+     * util.inspect(baz);       // '[foo] {}'
+     * ```
+     *
+     * Circular references point to their anchor by using a reference index:
+     *
+     * ```js
+     * const { inspect } = require('util');
+     *
+     * const obj = {};
+     * obj.a = [obj];
+     * obj.b = {};
+     * obj.b.inner = obj.b;
+     * obj.b.obj = obj;
+     *
+     * console.log(inspect(obj));
+     * // <ref *1> {
+     * //   a: [ [Circular *1] ],
+     * //   b: <ref *2> { inner: [Circular *2], obj: [Circular *1] }
+     * // }
+     * ```
+     *
+     * The following example inspects all properties of the `util` object:
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * console.log(util.inspect(util, { showHidden: true, depth: null }));
+     * ```
+     *
+     * The following example highlights the effect of the `compact` option:
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * const o = {
+     *   a: [1, 2, [[
+     *     'Lorem ipsum dolor sit amet,\nconsectetur adipiscing elit, sed do ' +
+     *       'eiusmod \ntempor incididunt ut labore et dolore magna aliqua.',
+     *     'test',
+     *     'foo']], 4],
+     *   b: new Map([['za', 1], ['zb', 'test']])
+     * };
+     * console.log(util.inspect(o, { compact: true, depth: 5, breakLength: 80 }));
+     *
+     * // { a:
+     * //   [ 1,
+     * //     2,
+     * //     [ [ 'Lorem ipsum dolor sit amet,\nconsectetur [...]', // A long line
+     * //           'test',
+     * //           'foo' ] ],
+     * //     4 ],
+     * //   b: Map(2) { 'za' => 1, 'zb' => 'test' } }
+     *
+     * // Setting `compact` to false or an integer creates more reader friendly output.
+     * console.log(util.inspect(o, { compact: false, depth: 5, breakLength: 80 }));
+     *
+     * // {
+     * //   a: [
+     * //     1,
+     * //     2,
+     * //     [
+     * //       [
+     * //         'Lorem ipsum dolor sit amet,\n' +
+     * //           'consectetur adipiscing elit, sed do eiusmod \n' +
+     * //           'tempor incididunt ut labore et dolore magna aliqua.',
+     * //         'test',
+     * //         'foo'
+     * //       ]
+     * //     ],
+     * //     4
+     * //   ],
+     * //   b: Map(2) {
+     * //     'za' => 1,
+     * //     'zb' => 'test'
+     * //   }
+     * // }
+     *
+     * // Setting `breakLength` to e.g. 150 will print the "Lorem ipsum" text in a
+     * // single line.
+     * ```
+     *
+     * The `showHidden` option allows [`WeakMap`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap) and
+     * [`WeakSet`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet) entries to be
+     * inspected. If there are more entries than `maxArrayLength`, there is no
+     * guarantee which entries are displayed. That means retrieving the same [`WeakSet`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet) entries twice may
+     * result in different output. Furthermore, entries
+     * with no remaining strong references may be garbage collected at any time.
+     *
+     * ```js
+     * const { inspect } = require('util');
+     *
+     * const obj = { a: 1 };
+     * const obj2 = { b: 2 };
+     * const weakSet = new WeakSet([obj, obj2]);
+     *
+     * console.log(inspect(weakSet, { showHidden: true }));
+     * // WeakSet { { a: 1 }, { b: 2 } }
+     * ```
+     *
+     * The `sorted` option ensures that an object's property insertion order does not
+     * impact the result of `util.inspect()`.
+     *
+     * ```js
+     * const { inspect } = require('util');
+     * const assert = require('assert');
+     *
+     * const o1 = {
+     *   b: [2, 3, 1],
+     *   a: '`a` comes before `b`',
+     *   c: new Set([2, 3, 1])
+     * };
+     * console.log(inspect(o1, { sorted: true }));
+     * // { a: '`a` comes before `b`', b: [ 2, 3, 1 ], c: Set(3) { 1, 2, 3 } }
+     * console.log(inspect(o1, { sorted: (a, b) => b.localeCompare(a) }));
+     * // { c: Set(3) { 3, 2, 1 }, b: [ 2, 3, 1 ], a: '`a` comes before `b`' }
+     *
+     * const o2 = {
+     *   c: new Set([2, 1, 3]),
+     *   a: '`a` comes before `b`',
+     *   b: [2, 3, 1]
+     * };
+     * assert.strict.equal(
+     *   inspect(o1, { sorted: true }),
+     *   inspect(o2, { sorted: true })
+     * );
+     * ```
+     *
+     * The `numericSeparator` option adds an underscore every three digits to all
+     * numbers.
+     *
+     * ```js
+     * const { inspect } = require('util');
+     *
+     * const thousand = 1_000;
+     * const million = 1_000_000;
+     * const bigNumber = 123_456_789n;
+     * const bigDecimal = 1_234.123_45;
+     *
+     * console.log(thousand, million, bigNumber, bigDecimal);
+     * // 1_000 1_000_000 123_456_789n 1_234.123_45
+     * ```
+     *
+     * `util.inspect()` is a synchronous method intended for debugging. Its maximum
+     * output length is approximately 128 MB. Inputs that result in longer output will
+     * be truncated.
+     * @since v0.3.0
+     * @param object Any JavaScript primitive or `Object`.
+     * @return The representation of `object`.
+     */
+    export function inspect(object: any, showHidden?: boolean, depth?: number | null, color?: boolean): string;
+    export function inspect(object: any, options?: InspectOptions): string;
+    export namespace inspect {
+        let colors: NodeJS.Dict<[number, number]>;
+        let styles: {
+            [K in Style]: string;
+        };
+        let defaultOptions: InspectOptions;
+        /**
+         * Allows changing inspect settings from the repl.
+         */
+        let replDefaults: InspectOptions;
+        /**
+         * That can be used to declare custom inspect functions.
+         */
+        const custom: unique symbol;
+    }
+    /**
+     * Alias for [`Array.isArray()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray).
+     *
+     * Returns `true` if the given `object` is an `Array`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isArray([]);
+     * // Returns: true
+     * util.isArray(new Array());
+     * // Returns: true
+     * util.isArray({});
+     * // Returns: false
+     * ```
+     * @since v0.6.0
+     * @deprecated Since v4.0.0 - Use `isArray` instead.
+     */
+    export function isArray(object: unknown): object is unknown[];
+    /**
+     * Returns `true` if the given `object` is a `RegExp`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isRegExp(/some regexp/);
+     * // Returns: true
+     * util.isRegExp(new RegExp('another regexp'));
+     * // Returns: true
+     * util.isRegExp({});
+     * // Returns: false
+     * ```
+     * @since v0.6.0
+     * @deprecated Since v4.0.0 - Deprecated
+     */
+    export function isRegExp(object: unknown): object is RegExp;
+    /**
+     * Returns `true` if the given `object` is a `Date`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isDate(new Date());
+     * // Returns: true
+     * util.isDate(Date());
+     * // false (without 'new' returns a String)
+     * util.isDate({});
+     * // Returns: false
+     * ```
+     * @since v0.6.0
+     * @deprecated Since v4.0.0 - Use {@link types.isDate} instead.
+     */
+    export function isDate(object: unknown): object is Date;
+    /**
+     * Returns `true` if the given `object` is an `Error`. Otherwise, returns`false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isError(new Error());
+     * // Returns: true
+     * util.isError(new TypeError());
+     * // Returns: true
+     * util.isError({ name: 'Error', message: 'an error occurred' });
+     * // Returns: false
+     * ```
+     *
+     * This method relies on `Object.prototype.toString()` behavior. It is
+     * possible to obtain an incorrect result when the `object` argument manipulates`@@toStringTag`.
+     *
+     * ```js
+     * const util = require('util');
+     * const obj = { name: 'Error', message: 'an error occurred' };
+     *
+     * util.isError(obj);
+     * // Returns: false
+     * obj[Symbol.toStringTag] = 'Error';
+     * util.isError(obj);
+     * // Returns: true
+     * ```
+     * @since v0.6.0
+     * @deprecated Since v4.0.0 - Use {@link types.isNativeError} instead.
+     */
+    export function isError(object: unknown): object is Error;
+    /**
+     * Usage of `util.inherits()` is discouraged. Please use the ES6 `class` and`extends` keywords to get language level inheritance support. Also note
+     * that the two styles are [semantically incompatible](https://github.com/nodejs/node/issues/4179).
+     *
+     * Inherit the prototype methods from one [constructor](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/constructor) into another. The
+     * prototype of `constructor` will be set to a new object created from`superConstructor`.
+     *
+     * This mainly adds some input validation on top of`Object.setPrototypeOf(constructor.prototype, superConstructor.prototype)`.
+     * As an additional convenience, `superConstructor` will be accessible
+     * through the `constructor.super_` property.
+     *
+     * ```js
+     * const util = require('util');
+     * const EventEmitter = require('events');
+     *
+     * function MyStream() {
+     *   EventEmitter.call(this);
+     * }
+     *
+     * util.inherits(MyStream, EventEmitter);
+     *
+     * MyStream.prototype.write = function(data) {
+     *   this.emit('data', data);
+     * };
+     *
+     * const stream = new MyStream();
+     *
+     * console.log(stream instanceof EventEmitter); // true
+     * console.log(MyStream.super_ === EventEmitter); // true
+     *
+     * stream.on('data', (data) => {
+     *   console.log(`Received data: "${data}"`);
+     * });
+     * stream.write('It works!'); // Received data: "It works!"
+     * ```
+     *
+     * ES6 example using `class` and `extends`:
+     *
+     * ```js
+     * const EventEmitter = require('events');
+     *
+     * class MyStream extends EventEmitter {
+     *   write(data) {
+     *     this.emit('data', data);
+     *   }
+     * }
+     *
+     * const stream = new MyStream();
+     *
+     * stream.on('data', (data) => {
+     *   console.log(`Received data: "${data}"`);
+     * });
+     * stream.write('With ES6');
+     * ```
+     * @since v0.3.0
+     * @deprecated Legacy: Use ES2015 class syntax and `extends` keyword instead.
+     */
+    export function inherits(constructor: unknown, superConstructor: unknown): void;
+    export type DebugLoggerFunction = (msg: string, ...param: unknown[]) => void;
+    export interface DebugLogger extends DebugLoggerFunction {
+        enabled: boolean;
+    }
+    /**
+     * The `util.debuglog()` method is used to create a function that conditionally
+     * writes debug messages to `stderr` based on the existence of the `NODE_DEBUG`environment variable. If the `section` name appears within the value of that
+     * environment variable, then the returned function operates similar to `console.error()`. If not, then the returned function is a no-op.
+     *
+     * ```js
+     * const util = require('util');
+     * const debuglog = util.debuglog('foo');
+     *
+     * debuglog('hello from foo [%d]', 123);
+     * ```
+     *
+     * If this program is run with `NODE_DEBUG=foo` in the environment, then
+     * it will output something like:
+     *
+     * ```console
+     * FOO 3245: hello from foo [123]
+     * ```
+     *
+     * where `3245` is the process id. If it is not run with that
+     * environment variable set, then it will not print anything.
+     *
+     * The `section` supports wildcard also:
+     *
+     * ```js
+     * const util = require('util');
+     * const debuglog = util.debuglog('foo-bar');
+     *
+     * debuglog('hi there, it\'s foo-bar [%d]', 2333);
+     * ```
+     *
+     * if it is run with `NODE_DEBUG=foo*` in the environment, then it will output
+     * something like:
+     *
+     * ```console
+     * FOO-BAR 3257: hi there, it's foo-bar [2333]
+     * ```
+     *
+     * Multiple comma-separated `section` names may be specified in the `NODE_DEBUG`environment variable: `NODE_DEBUG=fs,net,tls`.
+     *
+     * The optional `callback` argument can be used to replace the logging function
+     * with a different function that doesn't have any initialization or
+     * unnecessary wrapping.
+     *
+     * ```js
+     * const util = require('util');
+     * let debuglog = util.debuglog('internals', (debug) => {
+     *   // Replace with a logging function that optimizes out
+     *   // testing if the section is enabled
+     *   debuglog = debug;
+     * });
+     * ```
+     * @since v0.11.3
+     * @param section A string identifying the portion of the application for which the `debuglog` function is being created.
+     * @param callback A callback invoked the first time the logging function is called with a function argument that is a more optimized logging function.
+     * @return The logging function
+     */
+    export function debuglog(section: string, callback?: (fn: DebugLoggerFunction) => void): DebugLogger;
+    export const debug: typeof debuglog;
+    /**
+     * Returns `true` if the given `object` is a `Boolean`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isBoolean(1);
+     * // Returns: false
+     * util.isBoolean(0);
+     * // Returns: false
+     * util.isBoolean(false);
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `typeof value === 'boolean'` instead.
+     */
+    export function isBoolean(object: unknown): object is boolean;
+    /**
+     * Returns `true` if the given `object` is a `Buffer`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isBuffer({ length: 0 });
+     * // Returns: false
+     * util.isBuffer([]);
+     * // Returns: false
+     * util.isBuffer(Buffer.from('hello world'));
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `isBuffer` instead.
+     */
+    export function isBuffer(object: unknown): object is Buffer;
+    /**
+     * Returns `true` if the given `object` is a `Function`. Otherwise, returns`false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * function Foo() {}
+     * const Bar = () => {};
+     *
+     * util.isFunction({});
+     * // Returns: false
+     * util.isFunction(Foo);
+     * // Returns: true
+     * util.isFunction(Bar);
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `typeof value === 'function'` instead.
+     */
+    export function isFunction(object: unknown): boolean;
+    /**
+     * Returns `true` if the given `object` is strictly `null`. Otherwise, returns`false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isNull(0);
+     * // Returns: false
+     * util.isNull(undefined);
+     * // Returns: false
+     * util.isNull(null);
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `value === null` instead.
+     */
+    export function isNull(object: unknown): object is null;
+    /**
+     * Returns `true` if the given `object` is `null` or `undefined`. Otherwise,
+     * returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isNullOrUndefined(0);
+     * // Returns: false
+     * util.isNullOrUndefined(undefined);
+     * // Returns: true
+     * util.isNullOrUndefined(null);
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `value === undefined || value === null` instead.
+     */
+    export function isNullOrUndefined(object: unknown): object is null | undefined;
+    /**
+     * Returns `true` if the given `object` is a `Number`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isNumber(false);
+     * // Returns: false
+     * util.isNumber(Infinity);
+     * // Returns: true
+     * util.isNumber(0);
+     * // Returns: true
+     * util.isNumber(NaN);
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `typeof value === 'number'` instead.
+     */
+    export function isNumber(object: unknown): object is number;
+    /**
+     * Returns `true` if the given `object` is strictly an `Object`**and** not a`Function` (even though functions are objects in JavaScript).
+     * Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isObject(5);
+     * // Returns: false
+     * util.isObject(null);
+     * // Returns: false
+     * util.isObject({});
+     * // Returns: true
+     * util.isObject(() => {});
+     * // Returns: false
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Deprecated: Use `value !== null && typeof value === 'object'` instead.
+     */
+    export function isObject(object: unknown): boolean;
+    /**
+     * Returns `true` if the given `object` is a primitive type. Otherwise, returns`false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isPrimitive(5);
+     * // Returns: true
+     * util.isPrimitive('foo');
+     * // Returns: true
+     * util.isPrimitive(false);
+     * // Returns: true
+     * util.isPrimitive(null);
+     * // Returns: true
+     * util.isPrimitive(undefined);
+     * // Returns: true
+     * util.isPrimitive({});
+     * // Returns: false
+     * util.isPrimitive(() => {});
+     * // Returns: false
+     * util.isPrimitive(/^$/);
+     * // Returns: false
+     * util.isPrimitive(new Date());
+     * // Returns: false
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `(typeof value !== 'object' && typeof value !== 'function') || value === null` instead.
+     */
+    export function isPrimitive(object: unknown): boolean;
+    /**
+     * Returns `true` if the given `object` is a `string`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isString('');
+     * // Returns: true
+     * util.isString('foo');
+     * // Returns: true
+     * util.isString(String('foo'));
+     * // Returns: true
+     * util.isString(5);
+     * // Returns: false
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `typeof value === 'string'` instead.
+     */
+    export function isString(object: unknown): object is string;
+    /**
+     * Returns `true` if the given `object` is a `Symbol`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isSymbol(5);
+     * // Returns: false
+     * util.isSymbol('foo');
+     * // Returns: false
+     * util.isSymbol(Symbol('foo'));
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `typeof value === 'symbol'` instead.
+     */
+    export function isSymbol(object: unknown): object is symbol;
+    /**
+     * Returns `true` if the given `object` is `undefined`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * const foo = undefined;
+     * util.isUndefined(5);
+     * // Returns: false
+     * util.isUndefined(foo);
+     * // Returns: true
+     * util.isUndefined(null);
+     * // Returns: false
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `value === undefined` instead.
+     */
+    export function isUndefined(object: unknown): object is undefined;
+    /**
+     * The `util.deprecate()` method wraps `fn` (which may be a function or class) in
+     * such a way that it is marked as deprecated.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * exports.obsoleteFunction = util.deprecate(() => {
+     *   // Do something here.
+     * }, 'obsoleteFunction() is deprecated. Use newShinyFunction() instead.');
+     * ```
+     *
+     * When called, `util.deprecate()` will return a function that will emit a`DeprecationWarning` using the `'warning'` event. The warning will
+     * be emitted and printed to `stderr` the first time the returned function is
+     * called. After the warning is emitted, the wrapped function is called without
+     * emitting a warning.
+     *
+     * If the same optional `code` is supplied in multiple calls to `util.deprecate()`,
+     * the warning will be emitted only once for that `code`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * const fn1 = util.deprecate(someFunction, someMessage, 'DEP0001');
+     * const fn2 = util.deprecate(someOtherFunction, someOtherMessage, 'DEP0001');
+     * fn1(); // Emits a deprecation warning with code DEP0001
+     * fn2(); // Does not emit a deprecation warning because it has the same code
+     * ```
+     *
+     * If either the `--no-deprecation` or `--no-warnings` command-line flags are
+     * used, or if the `process.noDeprecation` property is set to `true`_prior_ to
+     * the first deprecation warning, the `util.deprecate()` method does nothing.
+     *
+     * If the `--trace-deprecation` or `--trace-warnings` command-line flags are set,
+     * or the `process.traceDeprecation` property is set to `true`, a warning and a
+     * stack trace are printed to `stderr` the first time the deprecated function is
+     * called.
+     *
+     * If the `--throw-deprecation` command-line flag is set, or the`process.throwDeprecation` property is set to `true`, then an exception will be
+     * thrown when the deprecated function is called.
+     *
+     * The `--throw-deprecation` command-line flag and `process.throwDeprecation`property take precedence over `--trace-deprecation` and`process.traceDeprecation`.
+     * @since v0.8.0
+     * @param fn The function that is being deprecated.
+     * @param msg A warning message to display when the deprecated function is invoked.
+     * @param code A deprecation code. See the `list of deprecated APIs` for a list of codes.
+     * @return The deprecated function wrapped to emit a warning.
+     */
+    export function deprecate<T extends Function>(fn: T, msg: string, code?: string): T;
+    /**
+     * Returns `true` if there is deep strict equality between `val1` and `val2`.
+     * Otherwise, returns `false`.
+     *
+     * See `assert.deepStrictEqual()` for more information about deep strict
+     * equality.
+     * @since v9.0.0
+     */
+    export function isDeepStrictEqual(val1: unknown, val2: unknown): boolean;
+    /**
+     * Returns `str` with any ANSI escape codes removed.
+     *
+     * ```js
+     * console.log(util.stripVTControlCharacters('\u001B[4mvalue\u001B[0m'));
+     * // Prints "value"
+     * ```
+     * @since v16.11.0
+     */
+    export function stripVTControlCharacters(str: string): string;
+    /**
+     * Takes an `async` function (or a function that returns a `Promise`) and returns a
+     * function following the error-first callback style, i.e. taking
+     * an `(err, value) => ...` callback as the last argument. In the callback, the
+     * first argument will be the rejection reason (or `null` if the `Promise`resolved), and the second argument will be the resolved value.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * async function fn() {
+     *   return 'hello world';
+     * }
+     * const callbackFunction = util.callbackify(fn);
+     *
+     * callbackFunction((err, ret) => {
+     *   if (err) throw err;
+     *   console.log(ret);
+     * });
+     * ```
+     *
+     * Will print:
+     *
+     * ```text
+     * hello world
+     * ```
+     *
+     * The callback is executed asynchronously, and will have a limited stack trace.
+     * If the callback throws, the process will emit an `'uncaughtException'` event, and if not handled will exit.
+     *
+     * Since `null` has a special meaning as the first argument to a callback, if a
+     * wrapped function rejects a `Promise` with a falsy value as a reason, the value
+     * is wrapped in an `Error` with the original value stored in a field named`reason`.
+     *
+     * ```js
+     * function fn() {
+     *   return Promise.reject(null);
+     * }
+     * const callbackFunction = util.callbackify(fn);
+     *
+     * callbackFunction((err, ret) => {
+     *   // When the Promise was rejected with `null` it is wrapped with an Error and
+     *   // the original value is stored in `reason`.
+     *   err &#x26;&#x26; Object.hasOwn(err, 'reason') &#x26;&#x26; err.reason === null;  // true
+     * });
+     * ```
+     * @since v8.2.0
+     * @param original An `async` function
+     * @return a callback style function
+     */
+    export function callbackify(fn: () => Promise<void>): (callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<TResult>(fn: () => Promise<TResult>): (callback: (err: NodeJS.ErrnoException, result: TResult) => void) => void;
+    export function callbackify<T1>(fn: (arg1: T1) => Promise<void>): (arg1: T1, callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<T1, TResult>(fn: (arg1: T1) => Promise<TResult>): (arg1: T1, callback: (err: NodeJS.ErrnoException, result: TResult) => void) => void;
+    export function callbackify<T1, T2>(fn: (arg1: T1, arg2: T2) => Promise<void>): (arg1: T1, arg2: T2, callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<T1, T2, TResult>(fn: (arg1: T1, arg2: T2) => Promise<TResult>): (arg1: T1, arg2: T2, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;
+    export function callbackify<T1, T2, T3>(fn: (arg1: T1, arg2: T2, arg3: T3) => Promise<void>): (arg1: T1, arg2: T2, arg3: T3, callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<T1, T2, T3, TResult>(
+        fn: (arg1: T1, arg2: T2, arg3: T3) => Promise<TResult>
+    ): (arg1: T1, arg2: T2, arg3: T3, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;
+    export function callbackify<T1, T2, T3, T4>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4) => Promise<void>
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<T1, T2, T3, T4, TResult>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4) => Promise<TResult>
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;
+    export function callbackify<T1, T2, T3, T4, T5>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5) => Promise<void>
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<T1, T2, T3, T4, T5, TResult>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5) => Promise<TResult>
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;
+    export function callbackify<T1, T2, T3, T4, T5, T6>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6) => Promise<void>
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6, callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<T1, T2, T3, T4, T5, T6, TResult>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6) => Promise<TResult>
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;
+    export interface CustomPromisifyLegacy<TCustom extends Function> extends Function {
+        __promisify__: TCustom;
+    }
+    export interface CustomPromisifySymbol<TCustom extends Function> extends Function {
+        [promisify.custom]: TCustom;
+    }
+    export type CustomPromisify<TCustom extends Function> = CustomPromisifySymbol<TCustom> | CustomPromisifyLegacy<TCustom>;
+    /**
+     * Takes a function following the common error-first callback style, i.e. taking
+     * an `(err, value) => ...` callback as the last argument, and returns a version
+     * that returns promises.
+     *
+     * ```js
+     * const util = require('util');
+     * const fs = require('fs');
+     *
+     * const stat = util.promisify(fs.stat);
+     * stat('.').then((stats) => {
+     *   // Do something with `stats`
+     * }).catch((error) => {
+     *   // Handle the error.
+     * });
+     * ```
+     *
+     * Or, equivalently using `async function`s:
+     *
+     * ```js
+     * const util = require('util');
+     * const fs = require('fs');
+     *
+     * const stat = util.promisify(fs.stat);
+     *
+     * async function callStat() {
+     *   const stats = await stat('.');
+     *   console.log(`This directory is owned by ${stats.uid}`);
+     * }
+     * ```
+     *
+     * If there is an `original[util.promisify.custom]` property present, `promisify`will return its value, see `Custom promisified functions`.
+     *
+     * `promisify()` assumes that `original` is a function taking a callback as its
+     * final argument in all cases. If `original` is not a function, `promisify()`will throw an error. If `original` is a function but its last argument is not
+     * an error-first callback, it will still be passed an error-first
+     * callback as its last argument.
+     *
+     * Using `promisify()` on class methods or other methods that use `this` may not
+     * work as expected unless handled specially:
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * class Foo {
+     *   constructor() {
+     *     this.a = 42;
+     *   }
+     *
+     *   bar(callback) {
+     *     callback(null, this.a);
+     *   }
+     * }
+     *
+     * const foo = new Foo();
+     *
+     * const naiveBar = util.promisify(foo.bar);
+     * // TypeError: Cannot read property 'a' of undefined
+     * // naiveBar().then(a => console.log(a));
+     *
+     * naiveBar.call(foo).then((a) => console.log(a)); // '42'
+     *
+     * const bindBar = naiveBar.bind(foo);
+     * bindBar().then((a) => console.log(a)); // '42'
+     * ```
+     * @since v8.0.0
+     */
+    export function promisify<TCustom extends Function>(fn: CustomPromisify<TCustom>): TCustom;
+    export function promisify<TResult>(fn: (callback: (err: any, result: TResult) => void) => void): () => Promise<TResult>;
+    export function promisify(fn: (callback: (err?: any) => void) => void): () => Promise<void>;
+    export function promisify<T1, TResult>(fn: (arg1: T1, callback: (err: any, result: TResult) => void) => void): (arg1: T1) => Promise<TResult>;
+    export function promisify<T1>(fn: (arg1: T1, callback: (err?: any) => void) => void): (arg1: T1) => Promise<void>;
+    export function promisify<T1, T2, TResult>(fn: (arg1: T1, arg2: T2, callback: (err: any, result: TResult) => void) => void): (arg1: T1, arg2: T2) => Promise<TResult>;
+    export function promisify<T1, T2>(fn: (arg1: T1, arg2: T2, callback: (err?: any) => void) => void): (arg1: T1, arg2: T2) => Promise<void>;
+    export function promisify<T1, T2, T3, TResult>(fn: (arg1: T1, arg2: T2, arg3: T3, callback: (err: any, result: TResult) => void) => void): (arg1: T1, arg2: T2, arg3: T3) => Promise<TResult>;
+    export function promisify<T1, T2, T3>(fn: (arg1: T1, arg2: T2, arg3: T3, callback: (err?: any) => void) => void): (arg1: T1, arg2: T2, arg3: T3) => Promise<void>;
+    export function promisify<T1, T2, T3, T4, TResult>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, callback: (err: any, result: TResult) => void) => void
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4) => Promise<TResult>;
+    export function promisify<T1, T2, T3, T4>(fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, callback: (err?: any) => void) => void): (arg1: T1, arg2: T2, arg3: T3, arg4: T4) => Promise<void>;
+    export function promisify<T1, T2, T3, T4, T5, TResult>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, callback: (err: any, result: TResult) => void) => void
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5) => Promise<TResult>;
+    export function promisify<T1, T2, T3, T4, T5>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, callback: (err?: any) => void) => void
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5) => Promise<void>;
+    export function promisify(fn: Function): Function;
+    export namespace promisify {
+        /**
+         * That can be used to declare custom promisified variants of functions.
+         */
+        const custom: unique symbol;
+    }
+    /**
+     * An implementation of the [WHATWG Encoding Standard](https://encoding.spec.whatwg.org/) `TextDecoder` API.
+     *
+     * ```js
+     * const decoder = new TextDecoder();
+     * const u8arr = new Uint8Array([72, 101, 108, 108, 111]);
+     * console.log(decoder.decode(u8arr)); // Hello
+     * ```
+     * @since v8.3.0
+     */
+    export class TextDecoder {
+        /**
+         * The encoding supported by the `TextDecoder` instance.
+         */
+        readonly encoding: string;
+        /**
+         * The value will be `true` if decoding errors result in a `TypeError` being
+         * thrown.
+         */
+        readonly fatal: boolean;
+        /**
+         * The value will be `true` if the decoding result will include the byte order
+         * mark.
+         */
+        readonly ignoreBOM: boolean;
+        constructor(
+            encoding?: string,
+            options?: {
+                fatal?: boolean | undefined;
+                ignoreBOM?: boolean | undefined;
+            }
+        );
+        /**
+         * Decodes the `input` and returns a string. If `options.stream` is `true`, any
+         * incomplete byte sequences occurring at the end of the `input` are buffered
+         * internally and emitted after the next call to `textDecoder.decode()`.
+         *
+         * If `textDecoder.fatal` is `true`, decoding errors that occur will result in a`TypeError` being thrown.
+         * @param input An `ArrayBuffer`, `DataView` or `TypedArray` instance containing the encoded data.
+         */
+        decode(
+            input?: NodeJS.ArrayBufferView | ArrayBuffer | null,
+            options?: {
+                stream?: boolean | undefined;
+            }
+        ): string;
+    }
+    export interface EncodeIntoResult {
+        /**
+         * The read Unicode code units of input.
+         */
+        read: number;
+        /**
+         * The written UTF-8 bytes of output.
+         */
+        written: number;
+    }
+    export { types };
+    /**
+     * An implementation of the [WHATWG Encoding Standard](https://encoding.spec.whatwg.org/) `TextEncoder` API. All
+     * instances of `TextEncoder` only support UTF-8 encoding.
+     *
+     * ```js
+     * const encoder = new TextEncoder();
+     * const uint8array = encoder.encode('this is some data');
+     * ```
+     *
+     * The `TextEncoder` class is also available on the global object.
+     * @since v8.3.0
+     */
+    export class TextEncoder {
+        /**
+         * The encoding supported by the `TextEncoder` instance. Always set to `'utf-8'`.
+         */
+        readonly encoding: string;
+        /**
+         * UTF-8 encodes the `input` string and returns a `Uint8Array` containing the
+         * encoded bytes.
+         * @param [input='an empty string'] The text to encode.
+         */
+        encode(input?: string): Uint8Array;
+        /**
+         * UTF-8 encodes the `src` string to the `dest` Uint8Array and returns an object
+         * containing the read Unicode code units and written UTF-8 bytes.
+         *
+         * ```js
+         * const encoder = new TextEncoder();
+         * const src = 'this is some data';
+         * const dest = new Uint8Array(10);
+         * const { read, written } = encoder.encodeInto(src, dest);
+         * ```
+         * @param src The text to encode.
+         * @param dest The array to hold the encode result.
+         */
+        encodeInto(src: string, dest: Uint8Array): EncodeIntoResult;
+    }
+
+    /**
+     * Provides a high-level API for command-line argument parsing. Takes a
+     * specification for the expected arguments and returns a structured object
+     * with the parsed values and positionals.
+     *
+     * `config` provides arguments for parsing and configures the parser. It
+     * supports the following properties:
+     *
+     *   - `args` The array of argument strings. **Default:** `process.argv` with
+     *     `execPath` and `filename` removed.
+     *   - `options` Arguments known to the parser. Keys of `options` are the long
+     *     names of options and values are objects accepting the following properties:
+     *
+     *     - `type` Type of argument, which must be either `boolean` (for options
+     *        which do not take values) or `string` (for options which do).
+     *     - `multiple` Whether this option can be provided multiple
+     *       times. If `true`, all values will be collected in an array. If
+     *       `false`, values for the option are last-wins. **Default:** `false`.
+     *     - `short` A single character alias for the option.
+     *
+     *   - `strict`: Whether an error should be thrown when unknown arguments
+     *     are encountered, or when arguments are passed that do not match the
+     *     `type` configured in `options`. **Default:** `true`.
+     *   - `allowPositionals`: Whether this command accepts positional arguments.
+     *     **Default:** `false` if `strict` is `true`, otherwise `true`.
+     *   - `tokens`: Whether tokens {boolean} Return the parsed tokens. This is useful
+     *     for extending the built-in behavior, from adding additional checks through
+     *     to reprocessing the tokens in different ways.
+     *     **Default:** `false`.
+     *
+     * @returns The parsed command line arguments:
+     *
+     *   - `values` A mapping of parsed option names with their string
+     *     or boolean values.
+     *   - `positionals` Positional arguments.
+     *   - `tokens` Detailed parse information (only if `tokens` was specified).
+     *
+     */
+    export function parseArgs<T extends ParseArgsConfig>(config: T): ParsedResults<T>;
+
+    interface ParseArgsOptionConfig {
+        type: 'string' | 'boolean';
+        short?: string;
+        multiple?: boolean;
+    }
+
+    interface ParseArgsOptionsConfig {
+        [longOption: string]: ParseArgsOptionConfig;
+    }
+
+    export interface ParseArgsConfig {
+        strict?: boolean;
+        allowPositionals?: boolean;
+        tokens?: boolean;
+        options?: ParseArgsOptionsConfig;
+        args?: string[];
+    }
+
+    /*
+    IfDefaultsTrue and IfDefaultsFalse are helpers to handle default values for missing boolean properties.
+    TypeScript does not have exact types for objects: https://github.com/microsoft/TypeScript/issues/12936
+    This means it is impossible to distinguish between "field X is definitely not present" and "field X may or may not be present".
+    But we expect users to generally provide their config inline or `as const`, which means TS will always know whether a given field is present.
+    So this helper treats "not definitely present" (i.e., not `extends boolean`) as being "definitely not present", i.e. it should have its default value.
+    This is technically incorrect but is a much nicer UX for the common case.
+    The IfDefaultsTrue version is for things which default to true; the IfDefaultsFalse version is for things which default to false.
+    */
+    type IfDefaultsTrue<T, IfTrue, IfFalse> = T extends true
+        ? IfTrue
+        : T extends false
+        ? IfFalse
+        : IfTrue;
+
+    // we put the `extends false` condition first here because `undefined` compares like `any` when `strictNullChecks: false`
+    type IfDefaultsFalse<T, IfTrue, IfFalse> = T extends false
+        ? IfFalse
+        : T extends true
+        ? IfTrue
+        : IfFalse;
+
+    type ExtractOptionValue<T extends ParseArgsConfig, O extends ParseArgsOptionConfig> = IfDefaultsTrue<
+        T['strict'],
+        O['type'] extends 'string' ? string : O['type'] extends 'boolean' ? boolean : string | boolean,
+        string | boolean
+    >;
+
+    type ParsedValues<T extends ParseArgsConfig> =
+        & IfDefaultsTrue<T['strict'], unknown, { [longOption: string]: undefined | string | boolean }>
+        & (T['options'] extends ParseArgsOptionsConfig
+            ? {
+                -readonly [LongOption in keyof T['options']]: IfDefaultsFalse<
+                    T['options'][LongOption]['multiple'],
+                    undefined | Array<ExtractOptionValue<T, T['options'][LongOption]>>,
+                    undefined | ExtractOptionValue<T, T['options'][LongOption]>
+                >;
+            }
+            : {});
+
+    type ParsedPositionals<T extends ParseArgsConfig> = IfDefaultsTrue<
+        T['strict'],
+        IfDefaultsFalse<T['allowPositionals'], string[], []>,
+        IfDefaultsTrue<T['allowPositionals'], string[], []>
+    >;
+
+    type PreciseTokenForOptions<
+        K extends string,
+        O extends ParseArgsOptionConfig,
+    > = O['type'] extends 'string'
+        ? {
+              kind: 'option';
+              index: number;
+              name: K;
+              rawName: string;
+              value: string;
+              inlineValue: boolean;
+          }
+        : O['type'] extends 'boolean'
+        ? {
+              kind: 'option';
+              index: number;
+              name: K;
+              rawName: string;
+              value: undefined;
+              inlineValue: undefined;
+          }
+        : OptionToken & { name: K };
+
+    type TokenForOptions<
+        T extends ParseArgsConfig,
+        K extends keyof T['options'] = keyof T['options'],
+    > = K extends unknown
+        ? T['options'] extends ParseArgsOptionsConfig
+            ? PreciseTokenForOptions<K & string, T['options'][K]>
+            : OptionToken
+        : never;
+
+    type ParsedOptionToken<T extends ParseArgsConfig> = IfDefaultsTrue<T['strict'], TokenForOptions<T>, OptionToken>;
+
+    type ParsedPositionalToken<T extends ParseArgsConfig> = IfDefaultsTrue<
+        T['strict'],
+        IfDefaultsFalse<T['allowPositionals'], { kind: 'positional'; index: number; value: string }, never>,
+        IfDefaultsTrue<T['allowPositionals'], { kind: 'positional'; index: number; value: string }, never>
+    >;
+
+    type ParsedTokens<T extends ParseArgsConfig> = Array<
+        ParsedOptionToken<T> | ParsedPositionalToken<T> | { kind: 'option-terminator'; index: number }
+    >;
+
+    type PreciseParsedResults<T extends ParseArgsConfig> = IfDefaultsFalse<
+        T['tokens'],
+        {
+            values: ParsedValues<T>;
+            positionals: ParsedPositionals<T>;
+            tokens: ParsedTokens<T>;
+        },
+        {
+            values: ParsedValues<T>;
+            positionals: ParsedPositionals<T>;
+        }
+    >;
+
+    type OptionToken =
+        | { kind: 'option'; index: number; name: string; rawName: string; value: string; inlineValue: boolean }
+        | {
+              kind: 'option';
+              index: number;
+              name: string;
+              rawName: string;
+              value: undefined;
+              inlineValue: undefined;
+          };
+
+    type Token =
+        | OptionToken
+        | { kind: 'positional'; index: number; value: string }
+        | { kind: 'option-terminator'; index: number };
+
+    // If ParseArgsConfig extends T, then the user passed config constructed elsewhere.
+    // So we can't rely on the `"not definitely present" implies "definitely not present"` assumption mentioned above.
+    type ParsedResults<T extends ParseArgsConfig> = ParseArgsConfig extends T
+        ? {
+              values: { [longOption: string]: undefined | string | boolean | Array<string | boolean> };
+              positionals: string[];
+              tokens?: Token[];
+          }
+        : PreciseParsedResults<T>;
+}
+declare module 'util/types' {
+    export * from 'util/types';
+}
+declare module 'util/types' {
+    import { KeyObject, webcrypto } from 'node:crypto';
+    /**
+     * Returns `true` if the value is a built-in [`ArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer) or
+     * [`SharedArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer) instance.
+     *
+     * See also `util.types.isArrayBuffer()` and `util.types.isSharedArrayBuffer()`.
+     *
+     * ```js
+     * util.types.isAnyArrayBuffer(new ArrayBuffer());  // Returns true
+     * util.types.isAnyArrayBuffer(new SharedArrayBuffer());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isAnyArrayBuffer(object: unknown): object is ArrayBufferLike;
+    /**
+     * Returns `true` if the value is an `arguments` object.
+     *
+     * ```js
+     * function foo() {
+     *   util.types.isArgumentsObject(arguments);  // Returns true
+     * }
+     * ```
+     * @since v10.0.0
+     */
+    function isArgumentsObject(object: unknown): object is IArguments;
+    /**
+     * Returns `true` if the value is a built-in [`ArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer) instance.
+     * This does _not_ include [`SharedArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer) instances. Usually, it is
+     * desirable to test for both; See `util.types.isAnyArrayBuffer()` for that.
+     *
+     * ```js
+     * util.types.isArrayBuffer(new ArrayBuffer());  // Returns true
+     * util.types.isArrayBuffer(new SharedArrayBuffer());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isArrayBuffer(object: unknown): object is ArrayBuffer;
+    /**
+     * Returns `true` if the value is an instance of one of the [`ArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer) views, such as typed
+     * array objects or [`DataView`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView). Equivalent to
+     * [`ArrayBuffer.isView()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView).
+     *
+     * ```js
+     * util.types.isArrayBufferView(new Int8Array());  // true
+     * util.types.isArrayBufferView(Buffer.from('hello world')); // true
+     * util.types.isArrayBufferView(new DataView(new ArrayBuffer(16)));  // true
+     * util.types.isArrayBufferView(new ArrayBuffer());  // false
+     * ```
+     * @since v10.0.0
+     */
+    function isArrayBufferView(object: unknown): object is NodeJS.ArrayBufferView;
+    /**
+     * Returns `true` if the value is an [async function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function).
+     * This only reports back what the JavaScript engine is seeing;
+     * in particular, the return value may not match the original source code if
+     * a transpilation tool was used.
+     *
+     * ```js
+     * util.types.isAsyncFunction(function foo() {});  // Returns false
+     * util.types.isAsyncFunction(async function foo() {});  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isAsyncFunction(object: unknown): boolean;
+    /**
+     * Returns `true` if the value is a `BigInt64Array` instance.
+     *
+     * ```js
+     * util.types.isBigInt64Array(new BigInt64Array());   // Returns true
+     * util.types.isBigInt64Array(new BigUint64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isBigInt64Array(value: unknown): value is BigInt64Array;
+    /**
+     * Returns `true` if the value is a `BigUint64Array` instance.
+     *
+     * ```js
+     * util.types.isBigUint64Array(new BigInt64Array());   // Returns false
+     * util.types.isBigUint64Array(new BigUint64Array());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isBigUint64Array(value: unknown): value is BigUint64Array;
+    /**
+     * Returns `true` if the value is a boolean object, e.g. created
+     * by `new Boolean()`.
+     *
+     * ```js
+     * util.types.isBooleanObject(false);  // Returns false
+     * util.types.isBooleanObject(true);   // Returns false
+     * util.types.isBooleanObject(new Boolean(false)); // Returns true
+     * util.types.isBooleanObject(new Boolean(true));  // Returns true
+     * util.types.isBooleanObject(Boolean(false)); // Returns false
+     * util.types.isBooleanObject(Boolean(true));  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isBooleanObject(object: unknown): object is Boolean;
+    /**
+     * Returns `true` if the value is any boxed primitive object, e.g. created
+     * by `new Boolean()`, `new String()` or `Object(Symbol())`.
+     *
+     * For example:
+     *
+     * ```js
+     * util.types.isBoxedPrimitive(false); // Returns false
+     * util.types.isBoxedPrimitive(new Boolean(false)); // Returns true
+     * util.types.isBoxedPrimitive(Symbol('foo')); // Returns false
+     * util.types.isBoxedPrimitive(Object(Symbol('foo'))); // Returns true
+     * util.types.isBoxedPrimitive(Object(BigInt(5))); // Returns true
+     * ```
+     * @since v10.11.0
+     */
+    function isBoxedPrimitive(object: unknown): object is String | Number | BigInt | Boolean | Symbol;
+    /**
+     * Returns `true` if the value is a built-in [`DataView`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView) instance.
+     *
+     * ```js
+     * const ab = new ArrayBuffer(20);
+     * util.types.isDataView(new DataView(ab));  // Returns true
+     * util.types.isDataView(new Float64Array());  // Returns false
+     * ```
+     *
+     * See also [`ArrayBuffer.isView()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView).
+     * @since v10.0.0
+     */
+    function isDataView(object: unknown): object is DataView;
+    /**
+     * Returns `true` if the value is a built-in [`Date`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date) instance.
+     *
+     * ```js
+     * util.types.isDate(new Date());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isDate(object: unknown): object is Date;
+    /**
+     * Returns `true` if the value is a native `External` value.
+     *
+     * A native `External` value is a special type of object that contains a
+     * raw C++ pointer (`void*`) for access from native code, and has no other
+     * properties. Such objects are created either by Node.js internals or native
+     * addons. In JavaScript, they are [frozen](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze) objects with a`null` prototype.
+     *
+     * ```c
+     * #include <js_native_api.h>
+     * #include <stdlib.h>
+     * napi_value result;
+     * static napi_value MyNapi(napi_env env, napi_callback_info info) {
+     *   int* raw = (int*) malloc(1024);
+     *   napi_status status = napi_create_external(env, (void*) raw, NULL, NULL, &#x26;result);
+     *   if (status != napi_ok) {
+     *     napi_throw_error(env, NULL, "napi_create_external failed");
+     *     return NULL;
+     *   }
+     *   return result;
+     * }
+     * ...
+     * DECLARE_NAPI_PROPERTY("myNapi", MyNapi)
+     * ...
+     * ```
+     *
+     * ```js
+     * const native = require('napi_addon.node');
+     * const data = native.myNapi();
+     * util.types.isExternal(data); // returns true
+     * util.types.isExternal(0); // returns false
+     * util.types.isExternal(new String('foo')); // returns false
+     * ```
+     *
+     * For further information on `napi_create_external`, refer to `napi_create_external()`.
+     * @since v10.0.0
+     */
+    function isExternal(object: unknown): boolean;
+    /**
+     * Returns `true` if the value is a built-in [`Float32Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float32Array) instance.
+     *
+     * ```js
+     * util.types.isFloat32Array(new ArrayBuffer());  // Returns false
+     * util.types.isFloat32Array(new Float32Array());  // Returns true
+     * util.types.isFloat32Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isFloat32Array(object: unknown): object is Float32Array;
+    /**
+     * Returns `true` if the value is a built-in [`Float64Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float64Array) instance.
+     *
+     * ```js
+     * util.types.isFloat64Array(new ArrayBuffer());  // Returns false
+     * util.types.isFloat64Array(new Uint8Array());  // Returns false
+     * util.types.isFloat64Array(new Float64Array());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isFloat64Array(object: unknown): object is Float64Array;
+    /**
+     * Returns `true` if the value is a generator function.
+     * This only reports back what the JavaScript engine is seeing;
+     * in particular, the return value may not match the original source code if
+     * a transpilation tool was used.
+     *
+     * ```js
+     * util.types.isGeneratorFunction(function foo() {});  // Returns false
+     * util.types.isGeneratorFunction(function* foo() {});  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isGeneratorFunction(object: unknown): object is GeneratorFunction;
+    /**
+     * Returns `true` if the value is a generator object as returned from a
+     * built-in generator function.
+     * This only reports back what the JavaScript engine is seeing;
+     * in particular, the return value may not match the original source code if
+     * a transpilation tool was used.
+     *
+     * ```js
+     * function* foo() {}
+     * const generator = foo();
+     * util.types.isGeneratorObject(generator);  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isGeneratorObject(object: unknown): object is Generator;
+    /**
+     * Returns `true` if the value is a built-in [`Int8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int8Array) instance.
+     *
+     * ```js
+     * util.types.isInt8Array(new ArrayBuffer());  // Returns false
+     * util.types.isInt8Array(new Int8Array());  // Returns true
+     * util.types.isInt8Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isInt8Array(object: unknown): object is Int8Array;
+    /**
+     * Returns `true` if the value is a built-in [`Int16Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int16Array) instance.
+     *
+     * ```js
+     * util.types.isInt16Array(new ArrayBuffer());  // Returns false
+     * util.types.isInt16Array(new Int16Array());  // Returns true
+     * util.types.isInt16Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isInt16Array(object: unknown): object is Int16Array;
+    /**
+     * Returns `true` if the value is a built-in [`Int32Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int32Array) instance.
+     *
+     * ```js
+     * util.types.isInt32Array(new ArrayBuffer());  // Returns false
+     * util.types.isInt32Array(new Int32Array());  // Returns true
+     * util.types.isInt32Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isInt32Array(object: unknown): object is Int32Array;
+    /**
+     * Returns `true` if the value is a built-in [`Map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map) instance.
+     *
+     * ```js
+     * util.types.isMap(new Map());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isMap<T>(object: T | {}): object is T extends ReadonlyMap<any, any> ? (unknown extends T ? never : ReadonlyMap<any, any>) : Map<unknown, unknown>;
+    /**
+     * Returns `true` if the value is an iterator returned for a built-in [`Map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map) instance.
+     *
+     * ```js
+     * const map = new Map();
+     * util.types.isMapIterator(map.keys());  // Returns true
+     * util.types.isMapIterator(map.values());  // Returns true
+     * util.types.isMapIterator(map.entries());  // Returns true
+     * util.types.isMapIterator(map[Symbol.iterator]());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isMapIterator(object: unknown): boolean;
+    /**
+     * Returns `true` if the value is an instance of a [Module Namespace Object](https://tc39.github.io/ecma262/#sec-module-namespace-exotic-objects).
+     *
+     * ```js
+     * import * as ns from './a.js';
+     *
+     * util.types.isModuleNamespaceObject(ns);  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isModuleNamespaceObject(value: unknown): boolean;
+    /**
+     * Returns `true` if the value is an instance of a built-in `Error` type.
+     *
+     * ```js
+     * util.types.isNativeError(new Error());  // Returns true
+     * util.types.isNativeError(new TypeError());  // Returns true
+     * util.types.isNativeError(new RangeError());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isNativeError(object: unknown): object is Error;
+    /**
+     * Returns `true` if the value is a number object, e.g. created
+     * by `new Number()`.
+     *
+     * ```js
+     * util.types.isNumberObject(0);  // Returns false
+     * util.types.isNumberObject(new Number(0));   // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isNumberObject(object: unknown): object is Number;
+    /**
+     * Returns `true` if the value is a built-in [`Promise`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise).
+     *
+     * ```js
+     * util.types.isPromise(Promise.resolve(42));  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isPromise(object: unknown): object is Promise<unknown>;
+    /**
+     * Returns `true` if the value is a [`Proxy`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy) instance.
+     *
+     * ```js
+     * const target = {};
+     * const proxy = new Proxy(target, {});
+     * util.types.isProxy(target);  // Returns false
+     * util.types.isProxy(proxy);  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isProxy(object: unknown): boolean;
+    /**
+     * Returns `true` if the value is a regular expression object.
+     *
+     * ```js
+     * util.types.isRegExp(/abc/);  // Returns true
+     * util.types.isRegExp(new RegExp('abc'));  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isRegExp(object: unknown): object is RegExp;
+    /**
+     * Returns `true` if the value is a built-in [`Set`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set) instance.
+     *
+     * ```js
+     * util.types.isSet(new Set());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isSet<T>(object: T | {}): object is T extends ReadonlySet<any> ? (unknown extends T ? never : ReadonlySet<any>) : Set<unknown>;
+    /**
+     * Returns `true` if the value is an iterator returned for a built-in [`Set`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set) instance.
+     *
+     * ```js
+     * const set = new Set();
+     * util.types.isSetIterator(set.keys());  // Returns true
+     * util.types.isSetIterator(set.values());  // Returns true
+     * util.types.isSetIterator(set.entries());  // Returns true
+     * util.types.isSetIterator(set[Symbol.iterator]());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isSetIterator(object: unknown): boolean;
+    /**
+     * Returns `true` if the value is a built-in [`SharedArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer) instance.
+     * This does _not_ include [`ArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer) instances. Usually, it is
+     * desirable to test for both; See `util.types.isAnyArrayBuffer()` for that.
+     *
+     * ```js
+     * util.types.isSharedArrayBuffer(new ArrayBuffer());  // Returns false
+     * util.types.isSharedArrayBuffer(new SharedArrayBuffer());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isSharedArrayBuffer(object: unknown): object is SharedArrayBuffer;
+    /**
+     * Returns `true` if the value is a string object, e.g. created
+     * by `new String()`.
+     *
+     * ```js
+     * util.types.isStringObject('foo');  // Returns false
+     * util.types.isStringObject(new String('foo'));   // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isStringObject(object: unknown): object is String;
+    /**
+     * Returns `true` if the value is a symbol object, created
+     * by calling `Object()` on a `Symbol` primitive.
+     *
+     * ```js
+     * const symbol = Symbol('foo');
+     * util.types.isSymbolObject(symbol);  // Returns false
+     * util.types.isSymbolObject(Object(symbol));   // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isSymbolObject(object: unknown): object is Symbol;
+    /**
+     * Returns `true` if the value is a built-in [`TypedArray`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray) instance.
+     *
+     * ```js
+     * util.types.isTypedArray(new ArrayBuffer());  // Returns false
+     * util.types.isTypedArray(new Uint8Array());  // Returns true
+     * util.types.isTypedArray(new Float64Array());  // Returns true
+     * ```
+     *
+     * See also [`ArrayBuffer.isView()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView).
+     * @since v10.0.0
+     */
+    function isTypedArray(object: unknown): object is NodeJS.TypedArray;
+    /**
+     * Returns `true` if the value is a built-in [`Uint8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array) instance.
+     *
+     * ```js
+     * util.types.isUint8Array(new ArrayBuffer());  // Returns false
+     * util.types.isUint8Array(new Uint8Array());  // Returns true
+     * util.types.isUint8Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isUint8Array(object: unknown): object is Uint8Array;
+    /**
+     * Returns `true` if the value is a built-in [`Uint8ClampedArray`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8ClampedArray) instance.
+     *
+     * ```js
+     * util.types.isUint8ClampedArray(new ArrayBuffer());  // Returns false
+     * util.types.isUint8ClampedArray(new Uint8ClampedArray());  // Returns true
+     * util.types.isUint8ClampedArray(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isUint8ClampedArray(object: unknown): object is Uint8ClampedArray;
+    /**
+     * Returns `true` if the value is a built-in [`Uint16Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint16Array) instance.
+     *
+     * ```js
+     * util.types.isUint16Array(new ArrayBuffer());  // Returns false
+     * util.types.isUint16Array(new Uint16Array());  // Returns true
+     * util.types.isUint16Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isUint16Array(object: unknown): object is Uint16Array;
+    /**
+     * Returns `true` if the value is a built-in [`Uint32Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint32Array) instance.
+     *
+     * ```js
+     * util.types.isUint32Array(new ArrayBuffer());  // Returns false
+     * util.types.isUint32Array(new Uint32Array());  // Returns true
+     * util.types.isUint32Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isUint32Array(object: unknown): object is Uint32Array;
+    /**
+     * Returns `true` if the value is a built-in [`WeakMap`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap) instance.
+     *
+     * ```js
+     * util.types.isWeakMap(new WeakMap());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isWeakMap(object: unknown): object is WeakMap<object, unknown>;
+    /**
+     * Returns `true` if the value is a built-in [`WeakSet`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet) instance.
+     *
+     * ```js
+     * util.types.isWeakSet(new WeakSet());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isWeakSet(object: unknown): object is WeakSet<object>;
+    /**
+     * Returns `true` if `value` is a `KeyObject`, `false` otherwise.
+     * @since v16.2.0
+     */
+    function isKeyObject(object: unknown): object is KeyObject;
+    /**
+     * Returns `true` if `value` is a `CryptoKey`, `false` otherwise.
+     * @since v16.2.0
+     */
+    function isCryptoKey(object: unknown): object is webcrypto.CryptoKey;
+}
+declare module 'node:util' {
+    export * from 'util';
+}
+declare module 'node:util/types' {
+    export * from 'util/types';
+}
diff --git a/node_modules/@types/node/ts4.8/v8.d.ts b/node_modules/@types/node/ts4.8/v8.d.ts
new file mode 100644
index 000000000..6685dc253
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/v8.d.ts
@@ -0,0 +1,396 @@
+/**
+ * The `v8` module exposes APIs that are specific to the version of [V8](https://developers.google.com/v8/) built into the Node.js binary. It can be accessed using:
+ *
+ * ```js
+ * const v8 = require('v8');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/v8.js)
+ */
+declare module 'v8' {
+    import { Readable } from 'node:stream';
+    interface HeapSpaceInfo {
+        space_name: string;
+        space_size: number;
+        space_used_size: number;
+        space_available_size: number;
+        physical_space_size: number;
+    }
+    // ** Signifies if the --zap_code_space option is enabled or not.  1 == enabled, 0 == disabled. */
+    type DoesZapCodeSpaceFlag = 0 | 1;
+    interface HeapInfo {
+        total_heap_size: number;
+        total_heap_size_executable: number;
+        total_physical_size: number;
+        total_available_size: number;
+        used_heap_size: number;
+        heap_size_limit: number;
+        malloced_memory: number;
+        peak_malloced_memory: number;
+        does_zap_garbage: DoesZapCodeSpaceFlag;
+        number_of_native_contexts: number;
+        number_of_detached_contexts: number;
+    }
+    interface HeapCodeStatistics {
+        code_and_metadata_size: number;
+        bytecode_and_metadata_size: number;
+        external_script_source_size: number;
+    }
+    /**
+     * Returns an integer representing a version tag derived from the V8 version,
+     * command-line flags, and detected CPU features. This is useful for determining
+     * whether a `vm.Script` `cachedData` buffer is compatible with this instance
+     * of V8.
+     *
+     * ```js
+     * console.log(v8.cachedDataVersionTag()); // 3947234607
+     * // The value returned by v8.cachedDataVersionTag() is derived from the V8
+     * // version, command-line flags, and detected CPU features. Test that the value
+     * // does indeed update when flags are toggled.
+     * v8.setFlagsFromString('--allow_natives_syntax');
+     * console.log(v8.cachedDataVersionTag()); // 183726201
+     * ```
+     * @since v8.0.0
+     */
+    function cachedDataVersionTag(): number;
+    /**
+     * Returns an object with the following properties:
+     *
+     * `does_zap_garbage` is a 0/1 boolean, which signifies whether the`--zap_code_space` option is enabled or not. This makes V8 overwrite heap
+     * garbage with a bit pattern. The RSS footprint (resident set size) gets bigger
+     * because it continuously touches all heap pages and that makes them less likely
+     * to get swapped out by the operating system.
+     *
+     * `number_of_native_contexts` The value of native\_context is the number of the
+     * top-level contexts currently active. Increase of this number over time indicates
+     * a memory leak.
+     *
+     * `number_of_detached_contexts` The value of detached\_context is the number
+     * of contexts that were detached and not yet garbage collected. This number
+     * being non-zero indicates a potential memory leak.
+     *
+     * ```js
+     * {
+     *   total_heap_size: 7326976,
+     *   total_heap_size_executable: 4194304,
+     *   total_physical_size: 7326976,
+     *   total_available_size: 1152656,
+     *   used_heap_size: 3476208,
+     *   heap_size_limit: 1535115264,
+     *   malloced_memory: 16384,
+     *   peak_malloced_memory: 1127496,
+     *   does_zap_garbage: 0,
+     *   number_of_native_contexts: 1,
+     *   number_of_detached_contexts: 0
+     * }
+     * ```
+     * @since v1.0.0
+     */
+    function getHeapStatistics(): HeapInfo;
+    /**
+     * Returns statistics about the V8 heap spaces, i.e. the segments which make up
+     * the V8 heap. Neither the ordering of heap spaces, nor the availability of a
+     * heap space can be guaranteed as the statistics are provided via the
+     * V8[`GetHeapSpaceStatistics`](https://v8docs.nodesource.com/node-13.2/d5/dda/classv8_1_1_isolate.html#ac673576f24fdc7a33378f8f57e1d13a4) function and may change from one V8 version to the
+     * next.
+     *
+     * The value returned is an array of objects containing the following properties:
+     *
+     * ```json
+     * [
+     *   {
+     *     "space_name": "new_space",
+     *     "space_size": 2063872,
+     *     "space_used_size": 951112,
+     *     "space_available_size": 80824,
+     *     "physical_space_size": 2063872
+     *   },
+     *   {
+     *     "space_name": "old_space",
+     *     "space_size": 3090560,
+     *     "space_used_size": 2493792,
+     *     "space_available_size": 0,
+     *     "physical_space_size": 3090560
+     *   },
+     *   {
+     *     "space_name": "code_space",
+     *     "space_size": 1260160,
+     *     "space_used_size": 644256,
+     *     "space_available_size": 960,
+     *     "physical_space_size": 1260160
+     *   },
+     *   {
+     *     "space_name": "map_space",
+     *     "space_size": 1094160,
+     *     "space_used_size": 201608,
+     *     "space_available_size": 0,
+     *     "physical_space_size": 1094160
+     *   },
+     *   {
+     *     "space_name": "large_object_space",
+     *     "space_size": 0,
+     *     "space_used_size": 0,
+     *     "space_available_size": 1490980608,
+     *     "physical_space_size": 0
+     *   }
+     * ]
+     * ```
+     * @since v6.0.0
+     */
+    function getHeapSpaceStatistics(): HeapSpaceInfo[];
+    /**
+     * The `v8.setFlagsFromString()` method can be used to programmatically set
+     * V8 command-line flags. This method should be used with care. Changing settings
+     * after the VM has started may result in unpredictable behavior, including
+     * crashes and data loss; or it may simply do nothing.
+     *
+     * The V8 options available for a version of Node.js may be determined by running`node --v8-options`.
+     *
+     * Usage:
+     *
+     * ```js
+     * // Print GC events to stdout for one minute.
+     * const v8 = require('v8');
+     * v8.setFlagsFromString('--trace_gc');
+     * setTimeout(() => { v8.setFlagsFromString('--notrace_gc'); }, 60e3);
+     * ```
+     * @since v1.0.0
+     */
+    function setFlagsFromString(flags: string): void;
+    /**
+     * Generates a snapshot of the current V8 heap and returns a Readable
+     * Stream that may be used to read the JSON serialized representation.
+     * This JSON stream format is intended to be used with tools such as
+     * Chrome DevTools. The JSON schema is undocumented and specific to the
+     * V8 engine. Therefore, the schema may change from one version of V8 to the next.
+     *
+     * Creating a heap snapshot requires memory about twice the size of the heap at
+     * the time the snapshot is created. This results in the risk of OOM killers
+     * terminating the process.
+     *
+     * Generating a snapshot is a synchronous operation which blocks the event loop
+     * for a duration depending on the heap size.
+     *
+     * ```js
+     * // Print heap snapshot to the console
+     * const v8 = require('v8');
+     * const stream = v8.getHeapSnapshot();
+     * stream.pipe(process.stdout);
+     * ```
+     * @since v11.13.0
+     * @return A Readable Stream containing the V8 heap snapshot
+     */
+    function getHeapSnapshot(): Readable;
+    /**
+     * Generates a snapshot of the current V8 heap and writes it to a JSON
+     * file. This file is intended to be used with tools such as Chrome
+     * DevTools. The JSON schema is undocumented and specific to the V8
+     * engine, and may change from one version of V8 to the next.
+     *
+     * A heap snapshot is specific to a single V8 isolate. When using `worker threads`, a heap snapshot generated from the main thread will
+     * not contain any information about the workers, and vice versa.
+     *
+     * Creating a heap snapshot requires memory about twice the size of the heap at
+     * the time the snapshot is created. This results in the risk of OOM killers
+     * terminating the process.
+     *
+     * Generating a snapshot is a synchronous operation which blocks the event loop
+     * for a duration depending on the heap size.
+     *
+     * ```js
+     * const { writeHeapSnapshot } = require('v8');
+     * const {
+     *   Worker,
+     *   isMainThread,
+     *   parentPort
+     * } = require('worker_threads');
+     *
+     * if (isMainThread) {
+     *   const worker = new Worker(__filename);
+     *
+     *   worker.once('message', (filename) => {
+     *     console.log(`worker heapdump: ${filename}`);
+     *     // Now get a heapdump for the main thread.
+     *     console.log(`main thread heapdump: ${writeHeapSnapshot()}`);
+     *   });
+     *
+     *   // Tell the worker to create a heapdump.
+     *   worker.postMessage('heapdump');
+     * } else {
+     *   parentPort.once('message', (message) => {
+     *     if (message === 'heapdump') {
+     *       // Generate a heapdump for the worker
+     *       // and return the filename to the parent.
+     *       parentPort.postMessage(writeHeapSnapshot());
+     *     }
+     *   });
+     * }
+     * ```
+     * @since v11.13.0
+     * @param filename The file path where the V8 heap snapshot is to be saved. If not specified, a file name with the pattern `'Heap-${yyyymmdd}-${hhmmss}-${pid}-${thread_id}.heapsnapshot'` will be
+     * generated, where `{pid}` will be the PID of the Node.js process, `{thread_id}` will be `0` when `writeHeapSnapshot()` is called from the main Node.js thread or the id of a
+     * worker thread.
+     * @return The filename where the snapshot was saved.
+     */
+    function writeHeapSnapshot(filename?: string): string;
+    /**
+     * Returns an object with the following properties:
+     *
+     * ```js
+     * {
+     *   code_and_metadata_size: 212208,
+     *   bytecode_and_metadata_size: 161368,
+     *   external_script_source_size: 1410794
+     * }
+     * ```
+     * @since v12.8.0
+     */
+    function getHeapCodeStatistics(): HeapCodeStatistics;
+    /**
+     * @since v8.0.0
+     */
+    class Serializer {
+        /**
+         * Writes out a header, which includes the serialization format version.
+         */
+        writeHeader(): void;
+        /**
+         * Serializes a JavaScript value and adds the serialized representation to the
+         * internal buffer.
+         *
+         * This throws an error if `value` cannot be serialized.
+         */
+        writeValue(val: any): boolean;
+        /**
+         * Returns the stored internal buffer. This serializer should not be used once
+         * the buffer is released. Calling this method results in undefined behavior
+         * if a previous write has failed.
+         */
+        releaseBuffer(): Buffer;
+        /**
+         * Marks an `ArrayBuffer` as having its contents transferred out of band.
+         * Pass the corresponding `ArrayBuffer` in the deserializing context to `deserializer.transferArrayBuffer()`.
+         * @param id A 32-bit unsigned integer.
+         * @param arrayBuffer An `ArrayBuffer` instance.
+         */
+        transferArrayBuffer(id: number, arrayBuffer: ArrayBuffer): void;
+        /**
+         * Write a raw 32-bit unsigned integer.
+         * For use inside of a custom `serializer._writeHostObject()`.
+         */
+        writeUint32(value: number): void;
+        /**
+         * Write a raw 64-bit unsigned integer, split into high and low 32-bit parts.
+         * For use inside of a custom `serializer._writeHostObject()`.
+         */
+        writeUint64(hi: number, lo: number): void;
+        /**
+         * Write a JS `number` value.
+         * For use inside of a custom `serializer._writeHostObject()`.
+         */
+        writeDouble(value: number): void;
+        /**
+         * Write raw bytes into the serializer’s internal buffer. The deserializer
+         * will require a way to compute the length of the buffer.
+         * For use inside of a custom `serializer._writeHostObject()`.
+         */
+        writeRawBytes(buffer: NodeJS.TypedArray): void;
+    }
+    /**
+     * A subclass of `Serializer` that serializes `TypedArray`(in particular `Buffer`) and `DataView` objects as host objects, and only
+     * stores the part of their underlying `ArrayBuffer`s that they are referring to.
+     * @since v8.0.0
+     */
+    class DefaultSerializer extends Serializer {}
+    /**
+     * @since v8.0.0
+     */
+    class Deserializer {
+        constructor(data: NodeJS.TypedArray);
+        /**
+         * Reads and validates a header (including the format version).
+         * May, for example, reject an invalid or unsupported wire format. In that case,
+         * an `Error` is thrown.
+         */
+        readHeader(): boolean;
+        /**
+         * Deserializes a JavaScript value from the buffer and returns it.
+         */
+        readValue(): any;
+        /**
+         * Marks an `ArrayBuffer` as having its contents transferred out of band.
+         * Pass the corresponding `ArrayBuffer` in the serializing context to `serializer.transferArrayBuffer()` (or return the `id` from `serializer._getSharedArrayBufferId()` in the case of
+         * `SharedArrayBuffer`s).
+         * @param id A 32-bit unsigned integer.
+         * @param arrayBuffer An `ArrayBuffer` instance.
+         */
+        transferArrayBuffer(id: number, arrayBuffer: ArrayBuffer): void;
+        /**
+         * Reads the underlying wire format version. Likely mostly to be useful to
+         * legacy code reading old wire format versions. May not be called before`.readHeader()`.
+         */
+        getWireFormatVersion(): number;
+        /**
+         * Read a raw 32-bit unsigned integer and return it.
+         * For use inside of a custom `deserializer._readHostObject()`.
+         */
+        readUint32(): number;
+        /**
+         * Read a raw 64-bit unsigned integer and return it as an array `[hi, lo]`with two 32-bit unsigned integer entries.
+         * For use inside of a custom `deserializer._readHostObject()`.
+         */
+        readUint64(): [number, number];
+        /**
+         * Read a JS `number` value.
+         * For use inside of a custom `deserializer._readHostObject()`.
+         */
+        readDouble(): number;
+        /**
+         * Read raw bytes from the deserializer’s internal buffer. The `length` parameter
+         * must correspond to the length of the buffer that was passed to `serializer.writeRawBytes()`.
+         * For use inside of a custom `deserializer._readHostObject()`.
+         */
+        readRawBytes(length: number): Buffer;
+    }
+    /**
+     * A subclass of `Deserializer` corresponding to the format written by `DefaultSerializer`.
+     * @since v8.0.0
+     */
+    class DefaultDeserializer extends Deserializer {}
+    /**
+     * Uses a `DefaultSerializer` to serialize `value` into a buffer.
+     *
+     * `ERR_BUFFER_TOO_LARGE` will be thrown when trying to
+     * serialize a huge object which requires buffer
+     * larger than `buffer.constants.MAX_LENGTH`.
+     * @since v8.0.0
+     */
+    function serialize(value: any): Buffer;
+    /**
+     * Uses a `DefaultDeserializer` with default options to read a JS value
+     * from a buffer.
+     * @since v8.0.0
+     * @param buffer A buffer returned by {@link serialize}.
+     */
+    function deserialize(buffer: NodeJS.TypedArray): any;
+    /**
+     * The `v8.takeCoverage()` method allows the user to write the coverage started by `NODE_V8_COVERAGE` to disk on demand. This method can be invoked multiple
+     * times during the lifetime of the process. Each time the execution counter will
+     * be reset and a new coverage report will be written to the directory specified
+     * by `NODE_V8_COVERAGE`.
+     *
+     * When the process is about to exit, one last coverage will still be written to
+     * disk unless {@link stopCoverage} is invoked before the process exits.
+     * @since v15.1.0, v14.18.0, v12.22.0
+     */
+    function takeCoverage(): void;
+    /**
+     * The `v8.stopCoverage()` method allows the user to stop the coverage collection
+     * started by `NODE_V8_COVERAGE`, so that V8 can release the execution count
+     * records and optimize code. This can be used in conjunction with {@link takeCoverage} if the user wants to collect the coverage on demand.
+     * @since v15.1.0, v14.18.0, v12.22.0
+     */
+    function stopCoverage(): void;
+}
+declare module 'node:v8' {
+    export * from 'v8';
+}
diff --git a/node_modules/@types/node/ts4.8/vm.d.ts b/node_modules/@types/node/ts4.8/vm.d.ts
new file mode 100644
index 000000000..c96513a50
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/vm.d.ts
@@ -0,0 +1,509 @@
+/**
+ * The `vm` module enables compiling and running code within V8 Virtual
+ * Machine contexts.
+ *
+ * **The `vm` module is not a security**
+ * **mechanism. Do not use it to run untrusted code.**
+ *
+ * JavaScript code can be compiled and run immediately or
+ * compiled, saved, and run later.
+ *
+ * A common use case is to run the code in a different V8 Context. This means
+ * invoked code has a different global object than the invoking code.
+ *
+ * One can provide the context by `contextifying` an
+ * object. The invoked code treats any property in the context like a
+ * global variable. Any changes to global variables caused by the invoked
+ * code are reflected in the context object.
+ *
+ * ```js
+ * const vm = require('vm');
+ *
+ * const x = 1;
+ *
+ * const context = { x: 2 };
+ * vm.createContext(context); // Contextify the object.
+ *
+ * const code = 'x += 40; var y = 17;';
+ * // `x` and `y` are global variables in the context.
+ * // Initially, x has the value 2 because that is the value of context.x.
+ * vm.runInContext(code, context);
+ *
+ * console.log(context.x); // 42
+ * console.log(context.y); // 17
+ *
+ * console.log(x); // 1; y is not defined.
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/vm.js)
+ */
+declare module 'vm' {
+    interface Context extends NodeJS.Dict<any> {}
+    interface BaseOptions {
+        /**
+         * Specifies the filename used in stack traces produced by this script.
+         * Default: `''`.
+         */
+        filename?: string | undefined;
+        /**
+         * Specifies the line number offset that is displayed in stack traces produced by this script.
+         * Default: `0`.
+         */
+        lineOffset?: number | undefined;
+        /**
+         * Specifies the column number offset that is displayed in stack traces produced by this script.
+         * @default 0
+         */
+        columnOffset?: number | undefined;
+    }
+    interface ScriptOptions extends BaseOptions {
+        displayErrors?: boolean | undefined;
+        timeout?: number | undefined;
+        cachedData?: Buffer | undefined;
+        /** @deprecated in favor of `script.createCachedData()` */
+        produceCachedData?: boolean | undefined;
+    }
+    interface RunningScriptOptions extends BaseOptions {
+        /**
+         * When `true`, if an `Error` occurs while compiling the `code`, the line of code causing the error is attached to the stack trace.
+         * Default: `true`.
+         */
+        displayErrors?: boolean | undefined;
+        /**
+         * Specifies the number of milliseconds to execute code before terminating execution.
+         * If execution is terminated, an `Error` will be thrown. This value must be a strictly positive integer.
+         */
+        timeout?: number | undefined;
+        /**
+         * If `true`, the execution will be terminated when `SIGINT` (Ctrl+C) is received.
+         * Existing handlers for the event that have been attached via `process.on('SIGINT')` will be disabled during script execution, but will continue to work after that.
+         * If execution is terminated, an `Error` will be thrown.
+         * Default: `false`.
+         */
+        breakOnSigint?: boolean | undefined;
+        /**
+         * If set to `afterEvaluate`, microtasks will be run immediately after the script has run.
+         */
+        microtaskMode?: 'afterEvaluate' | undefined;
+    }
+    interface CompileFunctionOptions extends BaseOptions {
+        /**
+         * Provides an optional data with V8's code cache data for the supplied source.
+         */
+        cachedData?: Buffer | undefined;
+        /**
+         * Specifies whether to produce new cache data.
+         * Default: `false`,
+         */
+        produceCachedData?: boolean | undefined;
+        /**
+         * The sandbox/context in which the said function should be compiled in.
+         */
+        parsingContext?: Context | undefined;
+        /**
+         * An array containing a collection of context extensions (objects wrapping the current scope) to be applied while compiling
+         */
+        contextExtensions?: Object[] | undefined;
+    }
+    interface CreateContextOptions {
+        /**
+         * Human-readable name of the newly created context.
+         * @default 'VM Context i' Where i is an ascending numerical index of the created context.
+         */
+        name?: string | undefined;
+        /**
+         * Corresponds to the newly created context for display purposes.
+         * The origin should be formatted like a `URL`, but with only the scheme, host, and port (if necessary),
+         * like the value of the `url.origin` property of a URL object.
+         * Most notably, this string should omit the trailing slash, as that denotes a path.
+         * @default ''
+         */
+        origin?: string | undefined;
+        codeGeneration?:
+            | {
+                  /**
+                   * If set to false any calls to eval or function constructors (Function, GeneratorFunction, etc)
+                   * will throw an EvalError.
+                   * @default true
+                   */
+                  strings?: boolean | undefined;
+                  /**
+                   * If set to false any attempt to compile a WebAssembly module will throw a WebAssembly.CompileError.
+                   * @default true
+                   */
+                  wasm?: boolean | undefined;
+              }
+            | undefined;
+        /**
+         * If set to `afterEvaluate`, microtasks will be run immediately after the script has run.
+         */
+        microtaskMode?: 'afterEvaluate' | undefined;
+    }
+    type MeasureMemoryMode = 'summary' | 'detailed';
+    interface MeasureMemoryOptions {
+        /**
+         * @default 'summary'
+         */
+        mode?: MeasureMemoryMode | undefined;
+        context?: Context | undefined;
+    }
+    interface MemoryMeasurement {
+        total: {
+            jsMemoryEstimate: number;
+            jsMemoryRange: [number, number];
+        };
+    }
+    /**
+     * Instances of the `vm.Script` class contain precompiled scripts that can be
+     * executed in specific contexts.
+     * @since v0.3.1
+     */
+    class Script {
+        constructor(code: string, options?: ScriptOptions);
+        /**
+         * Runs the compiled code contained by the `vm.Script` object within the given`contextifiedObject` and returns the result. Running code does not have access
+         * to local scope.
+         *
+         * The following example compiles code that increments a global variable, sets
+         * the value of another global variable, then execute the code multiple times.
+         * The globals are contained in the `context` object.
+         *
+         * ```js
+         * const vm = require('vm');
+         *
+         * const context = {
+         *   animal: 'cat',
+         *   count: 2
+         * };
+         *
+         * const script = new vm.Script('count += 1; name = "kitty";');
+         *
+         * vm.createContext(context);
+         * for (let i = 0; i < 10; ++i) {
+         *   script.runInContext(context);
+         * }
+         *
+         * console.log(context);
+         * // Prints: { animal: 'cat', count: 12, name: 'kitty' }
+         * ```
+         *
+         * Using the `timeout` or `breakOnSigint` options will result in new event loops
+         * and corresponding threads being started, which have a non-zero performance
+         * overhead.
+         * @since v0.3.1
+         * @param contextifiedObject A `contextified` object as returned by the `vm.createContext()` method.
+         * @return the result of the very last statement executed in the script.
+         */
+        runInContext(contextifiedObject: Context, options?: RunningScriptOptions): any;
+        /**
+         * First contextifies the given `contextObject`, runs the compiled code contained
+         * by the `vm.Script` object within the created context, and returns the result.
+         * Running code does not have access to local scope.
+         *
+         * The following example compiles code that sets a global variable, then executes
+         * the code multiple times in different contexts. The globals are set on and
+         * contained within each individual `context`.
+         *
+         * ```js
+         * const vm = require('vm');
+         *
+         * const script = new vm.Script('globalVar = "set"');
+         *
+         * const contexts = [{}, {}, {}];
+         * contexts.forEach((context) => {
+         *   script.runInNewContext(context);
+         * });
+         *
+         * console.log(contexts);
+         * // Prints: [{ globalVar: 'set' }, { globalVar: 'set' }, { globalVar: 'set' }]
+         * ```
+         * @since v0.3.1
+         * @param contextObject An object that will be `contextified`. If `undefined`, a new object will be created.
+         * @return the result of the very last statement executed in the script.
+         */
+        runInNewContext(contextObject?: Context, options?: RunningScriptOptions): any;
+        /**
+         * Runs the compiled code contained by the `vm.Script` within the context of the
+         * current `global` object. Running code does not have access to local scope, but _does_ have access to the current `global` object.
+         *
+         * The following example compiles code that increments a `global` variable then
+         * executes that code multiple times:
+         *
+         * ```js
+         * const vm = require('vm');
+         *
+         * global.globalVar = 0;
+         *
+         * const script = new vm.Script('globalVar += 1', { filename: 'myfile.vm' });
+         *
+         * for (let i = 0; i < 1000; ++i) {
+         *   script.runInThisContext();
+         * }
+         *
+         * console.log(globalVar);
+         *
+         * // 1000
+         * ```
+         * @since v0.3.1
+         * @return the result of the very last statement executed in the script.
+         */
+        runInThisContext(options?: RunningScriptOptions): any;
+        /**
+         * Creates a code cache that can be used with the `Script` constructor's`cachedData` option. Returns a `Buffer`. This method may be called at any
+         * time and any number of times.
+         *
+         * ```js
+         * const script = new vm.Script(`
+         * function add(a, b) {
+         *   return a + b;
+         * }
+         *
+         * const x = add(1, 2);
+         * `);
+         *
+         * const cacheWithoutX = script.createCachedData();
+         *
+         * script.runInThisContext();
+         *
+         * const cacheWithX = script.createCachedData();
+         * ```
+         * @since v10.6.0
+         */
+        createCachedData(): Buffer;
+        /** @deprecated in favor of `script.createCachedData()` */
+        cachedDataProduced?: boolean | undefined;
+        cachedDataRejected?: boolean | undefined;
+        cachedData?: Buffer | undefined;
+    }
+    /**
+     * If given a `contextObject`, the `vm.createContext()` method will `prepare
+     * that object` so that it can be used in calls to {@link runInContext} or `script.runInContext()`. Inside such scripts,
+     * the `contextObject` will be the global object, retaining all of its existing
+     * properties but also having the built-in objects and functions any standard [global object](https://es5.github.io/#x15.1) has. Outside of scripts run by the vm module, global variables
+     * will remain unchanged.
+     *
+     * ```js
+     * const vm = require('vm');
+     *
+     * global.globalVar = 3;
+     *
+     * const context = { globalVar: 1 };
+     * vm.createContext(context);
+     *
+     * vm.runInContext('globalVar *= 2;', context);
+     *
+     * console.log(context);
+     * // Prints: { globalVar: 2 }
+     *
+     * console.log(global.globalVar);
+     * // Prints: 3
+     * ```
+     *
+     * If `contextObject` is omitted (or passed explicitly as `undefined`), a new,
+     * empty `contextified` object will be returned.
+     *
+     * The `vm.createContext()` method is primarily useful for creating a single
+     * context that can be used to run multiple scripts. For instance, if emulating a
+     * web browser, the method can be used to create a single context representing a
+     * window's global object, then run all `<script>` tags together within that
+     * context.
+     *
+     * The provided `name` and `origin` of the context are made visible through the
+     * Inspector API.
+     * @since v0.3.1
+     * @return contextified object.
+     */
+    function createContext(sandbox?: Context, options?: CreateContextOptions): Context;
+    /**
+     * Returns `true` if the given `object` object has been `contextified` using {@link createContext}.
+     * @since v0.11.7
+     */
+    function isContext(sandbox: Context): boolean;
+    /**
+     * The `vm.runInContext()` method compiles `code`, runs it within the context of
+     * the `contextifiedObject`, then returns the result. Running code does not have
+     * access to the local scope. The `contextifiedObject` object _must_ have been
+     * previously `contextified` using the {@link createContext} method.
+     *
+     * If `options` is a string, then it specifies the filename.
+     *
+     * The following example compiles and executes different scripts using a single `contextified` object:
+     *
+     * ```js
+     * const vm = require('vm');
+     *
+     * const contextObject = { globalVar: 1 };
+     * vm.createContext(contextObject);
+     *
+     * for (let i = 0; i < 10; ++i) {
+     *   vm.runInContext('globalVar *= 2;', contextObject);
+     * }
+     * console.log(contextObject);
+     * // Prints: { globalVar: 1024 }
+     * ```
+     * @since v0.3.1
+     * @param code The JavaScript code to compile and run.
+     * @param contextifiedObject The `contextified` object that will be used as the `global` when the `code` is compiled and run.
+     * @return the result of the very last statement executed in the script.
+     */
+    function runInContext(code: string, contextifiedObject: Context, options?: RunningScriptOptions | string): any;
+    /**
+     * The `vm.runInNewContext()` first contextifies the given `contextObject` (or
+     * creates a new `contextObject` if passed as `undefined`), compiles the `code`,
+     * runs it within the created context, then returns the result. Running code
+     * does not have access to the local scope.
+     *
+     * If `options` is a string, then it specifies the filename.
+     *
+     * The following example compiles and executes code that increments a global
+     * variable and sets a new one. These globals are contained in the `contextObject`.
+     *
+     * ```js
+     * const vm = require('vm');
+     *
+     * const contextObject = {
+     *   animal: 'cat',
+     *   count: 2
+     * };
+     *
+     * vm.runInNewContext('count += 1; name = "kitty"', contextObject);
+     * console.log(contextObject);
+     * // Prints: { animal: 'cat', count: 3, name: 'kitty' }
+     * ```
+     * @since v0.3.1
+     * @param code The JavaScript code to compile and run.
+     * @param contextObject An object that will be `contextified`. If `undefined`, a new object will be created.
+     * @return the result of the very last statement executed in the script.
+     */
+    function runInNewContext(code: string, contextObject?: Context, options?: RunningScriptOptions | string): any;
+    /**
+     * `vm.runInThisContext()` compiles `code`, runs it within the context of the
+     * current `global` and returns the result. Running code does not have access to
+     * local scope, but does have access to the current `global` object.
+     *
+     * If `options` is a string, then it specifies the filename.
+     *
+     * The following example illustrates using both `vm.runInThisContext()` and
+     * the JavaScript [`eval()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/eval) function to run the same code:
+     *
+     * ```js
+     * const vm = require('vm');
+     * let localVar = 'initial value';
+     *
+     * const vmResult = vm.runInThisContext('localVar = "vm";');
+     * console.log(`vmResult: '${vmResult}', localVar: '${localVar}'`);
+     * // Prints: vmResult: 'vm', localVar: 'initial value'
+     *
+     * const evalResult = eval('localVar = "eval";');
+     * console.log(`evalResult: '${evalResult}', localVar: '${localVar}'`);
+     * // Prints: evalResult: 'eval', localVar: 'eval'
+     * ```
+     *
+     * Because `vm.runInThisContext()` does not have access to the local scope,`localVar` is unchanged. In contrast,
+     * [`eval()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/eval) _does_ have access to the
+     * local scope, so the value `localVar` is changed. In this way`vm.runInThisContext()` is much like an [indirect `eval()` call](https://es5.github.io/#x10.4.2), e.g.`(0,eval)('code')`.
+     *
+     * ## Example: Running an HTTP server within a VM
+     *
+     * When using either `script.runInThisContext()` or {@link runInThisContext}, the code is executed within the current V8 global
+     * context. The code passed to this VM context will have its own isolated scope.
+     *
+     * In order to run a simple web server using the `http` module the code passed to
+     * the context must either call `require('http')` on its own, or have a reference
+     * to the `http` module passed to it. For instance:
+     *
+     * ```js
+     * 'use strict';
+     * const vm = require('vm');
+     *
+     * const code = `
+     * ((require) => {
+     *   const http = require('http');
+     *
+     *   http.createServer((request, response) => {
+     *     response.writeHead(200, { 'Content-Type': 'text/plain' });
+     *     response.end('Hello World\\n');
+     *   }).listen(8124);
+     *
+     *   console.log('Server running at http://127.0.0.1:8124/');
+     * })`;
+     *
+     * vm.runInThisContext(code)(require);
+     * ```
+     *
+     * The `require()` in the above case shares the state with the context it is
+     * passed from. This may introduce risks when untrusted code is executed, e.g.
+     * altering objects in the context in unwanted ways.
+     * @since v0.3.1
+     * @param code The JavaScript code to compile and run.
+     * @return the result of the very last statement executed in the script.
+     */
+    function runInThisContext(code: string, options?: RunningScriptOptions | string): any;
+    /**
+     * Compiles the given code into the provided context (if no context is
+     * supplied, the current context is used), and returns it wrapped inside a
+     * function with the given `params`.
+     * @since v10.10.0
+     * @param code The body of the function to compile.
+     * @param params An array of strings containing all parameters for the function.
+     */
+    function compileFunction(code: string, params?: ReadonlyArray<string>, options?: CompileFunctionOptions): Function;
+    /**
+     * Measure the memory known to V8 and used by all contexts known to the
+     * current V8 isolate, or the main context.
+     *
+     * The format of the object that the returned Promise may resolve with is
+     * specific to the V8 engine and may change from one version of V8 to the next.
+     *
+     * The returned result is different from the statistics returned by`v8.getHeapSpaceStatistics()` in that `vm.measureMemory()` measure the
+     * memory reachable by each V8 specific contexts in the current instance of
+     * the V8 engine, while the result of `v8.getHeapSpaceStatistics()` measure
+     * the memory occupied by each heap space in the current V8 instance.
+     *
+     * ```js
+     * const vm = require('vm');
+     * // Measure the memory used by the main context.
+     * vm.measureMemory({ mode: 'summary' })
+     *   // This is the same as vm.measureMemory()
+     *   .then((result) => {
+     *     // The current format is:
+     *     // {
+     *     //   total: {
+     *     //      jsMemoryEstimate: 2418479, jsMemoryRange: [ 2418479, 2745799 ]
+     *     //    }
+     *     // }
+     *     console.log(result);
+     *   });
+     *
+     * const context = vm.createContext({ a: 1 });
+     * vm.measureMemory({ mode: 'detailed', execution: 'eager' })
+     *   .then((result) => {
+     *     // Reference the context here so that it won't be GC'ed
+     *     // until the measurement is complete.
+     *     console.log(context.a);
+     *     // {
+     *     //   total: {
+     *     //     jsMemoryEstimate: 2574732,
+     *     //     jsMemoryRange: [ 2574732, 2904372 ]
+     *     //   },
+     *     //   current: {
+     *     //     jsMemoryEstimate: 2438996,
+     *     //     jsMemoryRange: [ 2438996, 2768636 ]
+     *     //   },
+     *     //   other: [
+     *     //     {
+     *     //       jsMemoryEstimate: 135736,
+     *     //       jsMemoryRange: [ 135736, 465376 ]
+     *     //     }
+     *     //   ]
+     *     // }
+     *     console.log(result);
+     *   });
+     * ```
+     * @since v13.10.0
+     * @experimental
+     */
+    function measureMemory(options?: MeasureMemoryOptions): Promise<MemoryMeasurement>;
+}
+declare module 'node:vm' {
+    export * from 'vm';
+}
diff --git a/node_modules/@types/node/ts4.8/wasi.d.ts b/node_modules/@types/node/ts4.8/wasi.d.ts
new file mode 100644
index 000000000..d20b66bf4
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/wasi.d.ts
@@ -0,0 +1,158 @@
+/**
+ * The WASI API provides an implementation of the [WebAssembly System Interface](https://wasi.dev/) specification. WASI gives sandboxed WebAssembly applications access to the
+ * underlying operating system via a collection of POSIX-like functions.
+ *
+ * ```js
+ * import { readFile } from 'fs/promises';
+ * import { WASI } from 'wasi';
+ * import { argv, env } from 'process';
+ *
+ * const wasi = new WASI({
+ *   args: argv,
+ *   env,
+ *   preopens: {
+ *     '/sandbox': '/some/real/path/that/wasm/can/access'
+ *   }
+ * });
+ *
+ * // Some WASI binaries require:
+ * //   const importObject = { wasi_unstable: wasi.wasiImport };
+ * const importObject = { wasi_snapshot_preview1: wasi.wasiImport };
+ *
+ * const wasm = await WebAssembly.compile(
+ *   await readFile(new URL('./demo.wasm', import.meta.url))
+ * );
+ * const instance = await WebAssembly.instantiate(wasm, importObject);
+ *
+ * wasi.start(instance);
+ * ```
+ *
+ * To run the above example, create a new WebAssembly text format file named`demo.wat`:
+ *
+ * ```text
+ * (module
+ *     ;; Import the required fd_write WASI function which will write the given io vectors to stdout
+ *     ;; The function signature for fd_write is:
+ *     ;; (File Descriptor, *iovs, iovs_len, nwritten) -> Returns number of bytes written
+ *     (import "wasi_snapshot_preview1" "fd_write" (func $fd_write (param i32 i32 i32 i32) (result i32)))
+ *
+ *     (memory 1)
+ *     (export "memory" (memory 0))
+ *
+ *     ;; Write 'hello world\n' to memory at an offset of 8 bytes
+ *     ;; Note the trailing newline which is required for the text to appear
+ *     (data (i32.const 8) "hello world\n")
+ *
+ *     (func $main (export "_start")
+ *         ;; Creating a new io vector within linear memory
+ *         (i32.store (i32.const 0) (i32.const 8))  ;; iov.iov_base - This is a pointer to the start of the 'hello world\n' string
+ *         (i32.store (i32.const 4) (i32.const 12))  ;; iov.iov_len - The length of the 'hello world\n' string
+ *
+ *         (call $fd_write
+ *             (i32.const 1) ;; file_descriptor - 1 for stdout
+ *             (i32.const 0) ;; *iovs - The pointer to the iov array, which is stored at memory location 0
+ *             (i32.const 1) ;; iovs_len - We're printing 1 string stored in an iov - so one.
+ *             (i32.const 20) ;; nwritten - A place in memory to store the number of bytes written
+ *         )
+ *         drop ;; Discard the number of bytes written from the top of the stack
+ *     )
+ * )
+ * ```
+ *
+ * Use [wabt](https://github.com/WebAssembly/wabt) to compile `.wat` to `.wasm`
+ *
+ * ```console
+ * $ wat2wasm demo.wat
+ * ```
+ *
+ * The `--experimental-wasi-unstable-preview1` CLI argument is needed for this
+ * example to run.
+ * @experimental
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/wasi.js)
+ */
+declare module 'wasi' {
+    interface WASIOptions {
+        /**
+         * An array of strings that the WebAssembly application will
+         * see as command line arguments. The first argument is the virtual path to the
+         * WASI command itself.
+         */
+        args?: string[] | undefined;
+        /**
+         * An object similar to `process.env` that the WebAssembly
+         * application will see as its environment.
+         */
+        env?: object | undefined;
+        /**
+         * This object represents the WebAssembly application's
+         * sandbox directory structure. The string keys of `preopens` are treated as
+         * directories within the sandbox. The corresponding values in `preopens` are
+         * the real paths to those directories on the host machine.
+         */
+        preopens?: NodeJS.Dict<string> | undefined;
+        /**
+         * By default, WASI applications terminate the Node.js
+         * process via the `__wasi_proc_exit()` function. Setting this option to `true`
+         * causes `wasi.start()` to return the exit code rather than terminate the
+         * process.
+         * @default false
+         */
+        returnOnExit?: boolean | undefined;
+        /**
+         * The file descriptor used as standard input in the WebAssembly application.
+         * @default 0
+         */
+        stdin?: number | undefined;
+        /**
+         * The file descriptor used as standard output in the WebAssembly application.
+         * @default 1
+         */
+        stdout?: number | undefined;
+        /**
+         * The file descriptor used as standard error in the WebAssembly application.
+         * @default 2
+         */
+        stderr?: number | undefined;
+    }
+    /**
+     * The `WASI` class provides the WASI system call API and additional convenience
+     * methods for working with WASI-based applications. Each `WASI` instance
+     * represents a distinct sandbox environment. For security purposes, each `WASI`instance must have its command-line arguments, environment variables, and
+     * sandbox directory structure configured explicitly.
+     * @since v13.3.0, v12.16.0
+     */
+    class WASI {
+        constructor(options?: WASIOptions);
+        /**
+         * Attempt to begin execution of `instance` as a WASI command by invoking its`_start()` export. If `instance` does not contain a `_start()` export, or if`instance` contains an `_initialize()`
+         * export, then an exception is thrown.
+         *
+         * `start()` requires that `instance` exports a [`WebAssembly.Memory`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Memory) named`memory`. If
+         * `instance` does not have a `memory` export an exception is thrown.
+         *
+         * If `start()` is called more than once, an exception is thrown.
+         * @since v13.3.0, v12.16.0
+         */
+        start(instance: object): void; // TODO: avoid DOM dependency until WASM moved to own lib.
+        /**
+         * Attempt to initialize `instance` as a WASI reactor by invoking its`_initialize()` export, if it is present. If `instance` contains a `_start()`export, then an exception is thrown.
+         *
+         * `initialize()` requires that `instance` exports a [`WebAssembly.Memory`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Memory) named`memory`.
+         * If `instance` does not have a `memory` export an exception is thrown.
+         *
+         * If `initialize()` is called more than once, an exception is thrown.
+         * @since v14.6.0, v12.19.0
+         */
+        initialize(instance: object): void; // TODO: avoid DOM dependency until WASM moved to own lib.
+        /**
+         * `wasiImport` is an object that implements the WASI system call API. This object
+         * should be passed as the `wasi_snapshot_preview1` import during the instantiation
+         * of a [`WebAssembly.Instance`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Instance).
+         * @since v13.3.0, v12.16.0
+         */
+        readonly wasiImport: NodeJS.Dict<any>; // TODO: Narrow to DOM types
+    }
+}
+declare module 'node:wasi' {
+    export * from 'wasi';
+}
diff --git a/node_modules/@types/node/ts4.8/worker_threads.d.ts b/node_modules/@types/node/ts4.8/worker_threads.d.ts
new file mode 100644
index 000000000..81b71c283
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/worker_threads.d.ts
@@ -0,0 +1,646 @@
+/**
+ * The `worker_threads` module enables the use of threads that execute JavaScript
+ * in parallel. To access it:
+ *
+ * ```js
+ * const worker = require('worker_threads');
+ * ```
+ *
+ * Workers (threads) are useful for performing CPU-intensive JavaScript operations.
+ * They do not help much with I/O-intensive work. The Node.js built-in
+ * asynchronous I/O operations are more efficient than Workers can be.
+ *
+ * Unlike `child_process` or `cluster`, `worker_threads` can share memory. They do
+ * so by transferring `ArrayBuffer` instances or sharing `SharedArrayBuffer`instances.
+ *
+ * ```js
+ * const {
+ *   Worker, isMainThread, parentPort, workerData
+ * } = require('worker_threads');
+ *
+ * if (isMainThread) {
+ *   module.exports = function parseJSAsync(script) {
+ *     return new Promise((resolve, reject) => {
+ *       const worker = new Worker(__filename, {
+ *         workerData: script
+ *       });
+ *       worker.on('message', resolve);
+ *       worker.on('error', reject);
+ *       worker.on('exit', (code) => {
+ *         if (code !== 0)
+ *           reject(new Error(`Worker stopped with exit code ${code}`));
+ *       });
+ *     });
+ *   };
+ * } else {
+ *   const { parse } = require('some-js-parsing-library');
+ *   const script = workerData;
+ *   parentPort.postMessage(parse(script));
+ * }
+ * ```
+ *
+ * The above example spawns a Worker thread for each `parseJSAsync()` call. In
+ * practice, use a pool of Workers for these kinds of tasks. Otherwise, the
+ * overhead of creating Workers would likely exceed their benefit.
+ *
+ * When implementing a worker pool, use the `AsyncResource` API to inform
+ * diagnostic tools (e.g. to provide asynchronous stack traces) about the
+ * correlation between tasks and their outcomes. See `"Using AsyncResource for a Worker thread pool"` in the `async_hooks` documentation for an example implementation.
+ *
+ * Worker threads inherit non-process-specific options by default. Refer to `Worker constructor options` to know how to customize worker thread options,
+ * specifically `argv` and `execArgv` options.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/worker_threads.js)
+ */
+declare module 'worker_threads' {
+    import { Blob } from 'node:buffer';
+    import { Context } from 'node:vm';
+    import { EventEmitter } from 'node:events';
+    import { EventLoopUtilityFunction } from 'node:perf_hooks';
+    import { FileHandle } from 'node:fs/promises';
+    import { Readable, Writable } from 'node:stream';
+    import { URL } from 'node:url';
+    import { X509Certificate } from 'node:crypto';
+    const isMainThread: boolean;
+    const parentPort: null | MessagePort;
+    const resourceLimits: ResourceLimits;
+    const SHARE_ENV: unique symbol;
+    const threadId: number;
+    const workerData: any;
+    /**
+     * Instances of the `worker.MessageChannel` class represent an asynchronous,
+     * two-way communications channel.
+     * The `MessageChannel` has no methods of its own. `new MessageChannel()`yields an object with `port1` and `port2` properties, which refer to linked `MessagePort` instances.
+     *
+     * ```js
+     * const { MessageChannel } = require('worker_threads');
+     *
+     * const { port1, port2 } = new MessageChannel();
+     * port1.on('message', (message) => console.log('received', message));
+     * port2.postMessage({ foo: 'bar' });
+     * // Prints: received { foo: 'bar' } from the `port1.on('message')` listener
+     * ```
+     * @since v10.5.0
+     */
+    class MessageChannel {
+        readonly port1: MessagePort;
+        readonly port2: MessagePort;
+    }
+    interface WorkerPerformance {
+        eventLoopUtilization: EventLoopUtilityFunction;
+    }
+    type TransferListItem = ArrayBuffer | MessagePort | FileHandle | X509Certificate | Blob;
+    /**
+     * Instances of the `worker.MessagePort` class represent one end of an
+     * asynchronous, two-way communications channel. It can be used to transfer
+     * structured data, memory regions and other `MessagePort`s between different `Worker` s.
+     *
+     * This implementation matches [browser `MessagePort`](https://developer.mozilla.org/en-US/docs/Web/API/MessagePort) s.
+     * @since v10.5.0
+     */
+    class MessagePort extends EventEmitter {
+        /**
+         * Disables further sending of messages on either side of the connection.
+         * This method can be called when no further communication will happen over this`MessagePort`.
+         *
+         * The `'close' event` is emitted on both `MessagePort` instances that
+         * are part of the channel.
+         * @since v10.5.0
+         */
+        close(): void;
+        /**
+         * Sends a JavaScript value to the receiving side of this channel.`value` is transferred in a way which is compatible with
+         * the [HTML structured clone algorithm](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm).
+         *
+         * In particular, the significant differences to `JSON` are:
+         *
+         * * `value` may contain circular references.
+         * * `value` may contain instances of builtin JS types such as `RegExp`s,`BigInt`s, `Map`s, `Set`s, etc.
+         * * `value` may contain typed arrays, both using `ArrayBuffer`s
+         * and `SharedArrayBuffer`s.
+         * * `value` may contain [`WebAssembly.Module`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Module) instances.
+         * * `value` may not contain native (C++-backed) objects other than:
+         *
+         * ```js
+         * const { MessageChannel } = require('worker_threads');
+         * const { port1, port2 } = new MessageChannel();
+         *
+         * port1.on('message', (message) => console.log(message));
+         *
+         * const circularData = {};
+         * circularData.foo = circularData;
+         * // Prints: { foo: [Circular] }
+         * port2.postMessage(circularData);
+         * ```
+         *
+         * `transferList` may be a list of [`ArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer), `MessagePort` and `FileHandle` objects.
+         * After transferring, they are not usable on the sending side of the channel
+         * anymore (even if they are not contained in `value`). Unlike with `child processes`, transferring handles such as network sockets is currently
+         * not supported.
+         *
+         * If `value` contains [`SharedArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer) instances, those are accessible
+         * from either thread. They cannot be listed in `transferList`.
+         *
+         * `value` may still contain `ArrayBuffer` instances that are not in`transferList`; in that case, the underlying memory is copied rather than moved.
+         *
+         * ```js
+         * const { MessageChannel } = require('worker_threads');
+         * const { port1, port2 } = new MessageChannel();
+         *
+         * port1.on('message', (message) => console.log(message));
+         *
+         * const uint8Array = new Uint8Array([ 1, 2, 3, 4 ]);
+         * // This posts a copy of `uint8Array`:
+         * port2.postMessage(uint8Array);
+         * // This does not copy data, but renders `uint8Array` unusable:
+         * port2.postMessage(uint8Array, [ uint8Array.buffer ]);
+         *
+         * // The memory for the `sharedUint8Array` is accessible from both the
+         * // original and the copy received by `.on('message')`:
+         * const sharedUint8Array = new Uint8Array(new SharedArrayBuffer(4));
+         * port2.postMessage(sharedUint8Array);
+         *
+         * // This transfers a freshly created message port to the receiver.
+         * // This can be used, for example, to create communication channels between
+         * // multiple `Worker` threads that are children of the same parent thread.
+         * const otherChannel = new MessageChannel();
+         * port2.postMessage({ port: otherChannel.port1 }, [ otherChannel.port1 ]);
+         * ```
+         *
+         * The message object is cloned immediately, and can be modified after
+         * posting without having side effects.
+         *
+         * For more information on the serialization and deserialization mechanisms
+         * behind this API, see the `serialization API of the v8 module`.
+         * @since v10.5.0
+         */
+        postMessage(value: any, transferList?: ReadonlyArray<TransferListItem>): void;
+        /**
+         * Opposite of `unref()`. Calling `ref()` on a previously `unref()`ed port does _not_ let the program exit if it's the only active handle left (the default
+         * behavior). If the port is `ref()`ed, calling `ref()` again has no effect.
+         *
+         * If listeners are attached or removed using `.on('message')`, the port
+         * is `ref()`ed and `unref()`ed automatically depending on whether
+         * listeners for the event exist.
+         * @since v10.5.0
+         */
+        ref(): void;
+        /**
+         * Calling `unref()` on a port allows the thread to exit if this is the only
+         * active handle in the event system. If the port is already `unref()`ed calling`unref()` again has no effect.
+         *
+         * If listeners are attached or removed using `.on('message')`, the port is`ref()`ed and `unref()`ed automatically depending on whether
+         * listeners for the event exist.
+         * @since v10.5.0
+         */
+        unref(): void;
+        /**
+         * Starts receiving messages on this `MessagePort`. When using this port
+         * as an event emitter, this is called automatically once `'message'`listeners are attached.
+         *
+         * This method exists for parity with the Web `MessagePort` API. In Node.js,
+         * it is only useful for ignoring messages when no event listener is present.
+         * Node.js also diverges in its handling of `.onmessage`. Setting it
+         * automatically calls `.start()`, but unsetting it lets messages queue up
+         * until a new handler is set or the port is discarded.
+         * @since v10.5.0
+         */
+        start(): void;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'message', listener: (value: any) => void): this;
+        addListener(event: 'messageerror', listener: (error: Error) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'close'): boolean;
+        emit(event: 'message', value: any): boolean;
+        emit(event: 'messageerror', error: Error): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'message', listener: (value: any) => void): this;
+        on(event: 'messageerror', listener: (error: Error) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'message', listener: (value: any) => void): this;
+        once(event: 'messageerror', listener: (error: Error) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'message', listener: (value: any) => void): this;
+        prependListener(event: 'messageerror', listener: (error: Error) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'message', listener: (value: any) => void): this;
+        prependOnceListener(event: 'messageerror', listener: (error: Error) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        removeListener(event: 'close', listener: () => void): this;
+        removeListener(event: 'message', listener: (value: any) => void): this;
+        removeListener(event: 'messageerror', listener: (error: Error) => void): this;
+        removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        off(event: 'close', listener: () => void): this;
+        off(event: 'message', listener: (value: any) => void): this;
+        off(event: 'messageerror', listener: (error: Error) => void): this;
+        off(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    interface WorkerOptions {
+        /**
+         * List of arguments which would be stringified and appended to
+         * `process.argv` in the worker. This is mostly similar to the `workerData`
+         * but the values will be available on the global `process.argv` as if they
+         * were passed as CLI options to the script.
+         */
+        argv?: any[] | undefined;
+        env?: NodeJS.Dict<string> | typeof SHARE_ENV | undefined;
+        eval?: boolean | undefined;
+        workerData?: any;
+        stdin?: boolean | undefined;
+        stdout?: boolean | undefined;
+        stderr?: boolean | undefined;
+        execArgv?: string[] | undefined;
+        resourceLimits?: ResourceLimits | undefined;
+        /**
+         * Additional data to send in the first worker message.
+         */
+        transferList?: TransferListItem[] | undefined;
+        /**
+         * @default true
+         */
+        trackUnmanagedFds?: boolean | undefined;
+    }
+    interface ResourceLimits {
+        /**
+         * The maximum size of a heap space for recently created objects.
+         */
+        maxYoungGenerationSizeMb?: number | undefined;
+        /**
+         * The maximum size of the main heap in MB.
+         */
+        maxOldGenerationSizeMb?: number | undefined;
+        /**
+         * The size of a pre-allocated memory range used for generated code.
+         */
+        codeRangeSizeMb?: number | undefined;
+        /**
+         * The default maximum stack size for the thread. Small values may lead to unusable Worker instances.
+         * @default 4
+         */
+        stackSizeMb?: number | undefined;
+    }
+    /**
+     * The `Worker` class represents an independent JavaScript execution thread.
+     * Most Node.js APIs are available inside of it.
+     *
+     * Notable differences inside a Worker environment are:
+     *
+     * * The `process.stdin`, `process.stdout` and `process.stderr` may be redirected by the parent thread.
+     * * The `require('worker_threads').isMainThread` property is set to `false`.
+     * * The `require('worker_threads').parentPort` message port is available.
+     * * `process.exit()` does not stop the whole program, just the single thread,
+     * and `process.abort()` is not available.
+     * * `process.chdir()` and `process` methods that set group or user ids
+     * are not available.
+     * * `process.env` is a copy of the parent thread's environment variables,
+     * unless otherwise specified. Changes to one copy are not visible in other
+     * threads, and are not visible to native add-ons (unless `worker.SHARE_ENV` is passed as the `env` option to the `Worker` constructor).
+     * * `process.title` cannot be modified.
+     * * Signals are not delivered through `process.on('...')`.
+     * * Execution may stop at any point as a result of `worker.terminate()` being invoked.
+     * * IPC channels from parent processes are not accessible.
+     * * The `trace_events` module is not supported.
+     * * Native add-ons can only be loaded from multiple threads if they fulfill `certain conditions`.
+     *
+     * Creating `Worker` instances inside of other `Worker`s is possible.
+     *
+     * Like [Web Workers](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API) and the `cluster module`, two-way communication can be
+     * achieved through inter-thread message passing. Internally, a `Worker` has a
+     * built-in pair of `MessagePort` s that are already associated with each other
+     * when the `Worker` is created. While the `MessagePort` object on the parent side
+     * is not directly exposed, its functionalities are exposed through `worker.postMessage()` and the `worker.on('message')` event
+     * on the `Worker` object for the parent thread.
+     *
+     * To create custom messaging channels (which is encouraged over using the default
+     * global channel because it facilitates separation of concerns), users can create
+     * a `MessageChannel` object on either thread and pass one of the`MessagePort`s on that `MessageChannel` to the other thread through a
+     * pre-existing channel, such as the global one.
+     *
+     * See `port.postMessage()` for more information on how messages are passed,
+     * and what kind of JavaScript values can be successfully transported through
+     * the thread barrier.
+     *
+     * ```js
+     * const assert = require('assert');
+     * const {
+     *   Worker, MessageChannel, MessagePort, isMainThread, parentPort
+     * } = require('worker_threads');
+     * if (isMainThread) {
+     *   const worker = new Worker(__filename);
+     *   const subChannel = new MessageChannel();
+     *   worker.postMessage({ hereIsYourPort: subChannel.port1 }, [subChannel.port1]);
+     *   subChannel.port2.on('message', (value) => {
+     *     console.log('received:', value);
+     *   });
+     * } else {
+     *   parentPort.once('message', (value) => {
+     *     assert(value.hereIsYourPort instanceof MessagePort);
+     *     value.hereIsYourPort.postMessage('the worker is sending this');
+     *     value.hereIsYourPort.close();
+     *   });
+     * }
+     * ```
+     * @since v10.5.0
+     */
+    class Worker extends EventEmitter {
+        /**
+         * If `stdin: true` was passed to the `Worker` constructor, this is a
+         * writable stream. The data written to this stream will be made available in
+         * the worker thread as `process.stdin`.
+         * @since v10.5.0
+         */
+        readonly stdin: Writable | null;
+        /**
+         * This is a readable stream which contains data written to `process.stdout` inside the worker thread. If `stdout: true` was not passed to the `Worker` constructor, then data is piped to the
+         * parent thread's `process.stdout` stream.
+         * @since v10.5.0
+         */
+        readonly stdout: Readable;
+        /**
+         * This is a readable stream which contains data written to `process.stderr` inside the worker thread. If `stderr: true` was not passed to the `Worker` constructor, then data is piped to the
+         * parent thread's `process.stderr` stream.
+         * @since v10.5.0
+         */
+        readonly stderr: Readable;
+        /**
+         * An integer identifier for the referenced thread. Inside the worker thread,
+         * it is available as `require('worker_threads').threadId`.
+         * This value is unique for each `Worker` instance inside a single process.
+         * @since v10.5.0
+         */
+        readonly threadId: number;
+        /**
+         * Provides the set of JS engine resource constraints for this Worker thread.
+         * If the `resourceLimits` option was passed to the `Worker` constructor,
+         * this matches its values.
+         *
+         * If the worker has stopped, the return value is an empty object.
+         * @since v13.2.0, v12.16.0
+         */
+        readonly resourceLimits?: ResourceLimits | undefined;
+        /**
+         * An object that can be used to query performance information from a worker
+         * instance. Similar to `perf_hooks.performance`.
+         * @since v15.1.0, v14.17.0, v12.22.0
+         */
+        readonly performance: WorkerPerformance;
+        /**
+         * @param filename  The path to the Worker’s main script or module.
+         *                  Must be either an absolute path or a relative path (i.e. relative to the current working directory) starting with ./ or ../,
+         *                  or a WHATWG URL object using file: protocol. If options.eval is true, this is a string containing JavaScript code rather than a path.
+         */
+        constructor(filename: string | URL, options?: WorkerOptions);
+        /**
+         * Send a message to the worker that is received via `require('worker_threads').parentPort.on('message')`.
+         * See `port.postMessage()` for more details.
+         * @since v10.5.0
+         */
+        postMessage(value: any, transferList?: ReadonlyArray<TransferListItem>): void;
+        /**
+         * Opposite of `unref()`, calling `ref()` on a previously `unref()`ed worker does _not_ let the program exit if it's the only active handle left (the default
+         * behavior). If the worker is `ref()`ed, calling `ref()` again has
+         * no effect.
+         * @since v10.5.0
+         */
+        ref(): void;
+        /**
+         * Calling `unref()` on a worker allows the thread to exit if this is the only
+         * active handle in the event system. If the worker is already `unref()`ed calling`unref()` again has no effect.
+         * @since v10.5.0
+         */
+        unref(): void;
+        /**
+         * Stop all JavaScript execution in the worker thread as soon as possible.
+         * Returns a Promise for the exit code that is fulfilled when the `'exit' event` is emitted.
+         * @since v10.5.0
+         */
+        terminate(): Promise<number>;
+        /**
+         * Returns a readable stream for a V8 snapshot of the current state of the Worker.
+         * See `v8.getHeapSnapshot()` for more details.
+         *
+         * If the Worker thread is no longer running, which may occur before the `'exit' event` is emitted, the returned `Promise` is rejected
+         * immediately with an `ERR_WORKER_NOT_RUNNING` error.
+         * @since v13.9.0, v12.17.0
+         * @return A promise for a Readable Stream containing a V8 heap snapshot
+         */
+        getHeapSnapshot(): Promise<Readable>;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'exit', listener: (exitCode: number) => void): this;
+        addListener(event: 'message', listener: (value: any) => void): this;
+        addListener(event: 'messageerror', listener: (error: Error) => void): this;
+        addListener(event: 'online', listener: () => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'exit', exitCode: number): boolean;
+        emit(event: 'message', value: any): boolean;
+        emit(event: 'messageerror', error: Error): boolean;
+        emit(event: 'online'): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'exit', listener: (exitCode: number) => void): this;
+        on(event: 'message', listener: (value: any) => void): this;
+        on(event: 'messageerror', listener: (error: Error) => void): this;
+        on(event: 'online', listener: () => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'exit', listener: (exitCode: number) => void): this;
+        once(event: 'message', listener: (value: any) => void): this;
+        once(event: 'messageerror', listener: (error: Error) => void): this;
+        once(event: 'online', listener: () => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'exit', listener: (exitCode: number) => void): this;
+        prependListener(event: 'message', listener: (value: any) => void): this;
+        prependListener(event: 'messageerror', listener: (error: Error) => void): this;
+        prependListener(event: 'online', listener: () => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'exit', listener: (exitCode: number) => void): this;
+        prependOnceListener(event: 'message', listener: (value: any) => void): this;
+        prependOnceListener(event: 'messageerror', listener: (error: Error) => void): this;
+        prependOnceListener(event: 'online', listener: () => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        removeListener(event: 'error', listener: (err: Error) => void): this;
+        removeListener(event: 'exit', listener: (exitCode: number) => void): this;
+        removeListener(event: 'message', listener: (value: any) => void): this;
+        removeListener(event: 'messageerror', listener: (error: Error) => void): this;
+        removeListener(event: 'online', listener: () => void): this;
+        removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        off(event: 'error', listener: (err: Error) => void): this;
+        off(event: 'exit', listener: (exitCode: number) => void): this;
+        off(event: 'message', listener: (value: any) => void): this;
+        off(event: 'messageerror', listener: (error: Error) => void): this;
+        off(event: 'online', listener: () => void): this;
+        off(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    interface BroadcastChannel extends NodeJS.RefCounted {}
+    /**
+     * Instances of `BroadcastChannel` allow asynchronous one-to-many communication
+     * with all other `BroadcastChannel` instances bound to the same channel name.
+     *
+     * ```js
+     * 'use strict';
+     *
+     * const {
+     *   isMainThread,
+     *   BroadcastChannel,
+     *   Worker
+     * } = require('worker_threads');
+     *
+     * const bc = new BroadcastChannel('hello');
+     *
+     * if (isMainThread) {
+     *   let c = 0;
+     *   bc.onmessage = (event) => {
+     *     console.log(event.data);
+     *     if (++c === 10) bc.close();
+     *   };
+     *   for (let n = 0; n < 10; n++)
+     *     new Worker(__filename);
+     * } else {
+     *   bc.postMessage('hello from every worker');
+     *   bc.close();
+     * }
+     * ```
+     * @since v15.4.0
+     */
+    class BroadcastChannel {
+        readonly name: string;
+        /**
+         * Invoked with a single \`MessageEvent\` argument when a message is received.
+         * @since v15.4.0
+         */
+        onmessage: (message: unknown) => void;
+        /**
+         * Invoked with a received message cannot be deserialized.
+         * @since v15.4.0
+         */
+        onmessageerror: (message: unknown) => void;
+        constructor(name: string);
+        /**
+         * Closes the `BroadcastChannel` connection.
+         * @since v15.4.0
+         */
+        close(): void;
+        /**
+         * @since v15.4.0
+         * @param message Any cloneable JavaScript value.
+         */
+        postMessage(message: unknown): void;
+    }
+    /**
+     * Mark an object as not transferable. If `object` occurs in the transfer list of
+     * a `port.postMessage()` call, it is ignored.
+     *
+     * In particular, this makes sense for objects that can be cloned, rather than
+     * transferred, and which are used by other objects on the sending side.
+     * For example, Node.js marks the `ArrayBuffer`s it uses for its `Buffer pool` with this.
+     *
+     * This operation cannot be undone.
+     *
+     * ```js
+     * const { MessageChannel, markAsUntransferable } = require('worker_threads');
+     *
+     * const pooledBuffer = new ArrayBuffer(8);
+     * const typedArray1 = new Uint8Array(pooledBuffer);
+     * const typedArray2 = new Float64Array(pooledBuffer);
+     *
+     * markAsUntransferable(pooledBuffer);
+     *
+     * const { port1 } = new MessageChannel();
+     * port1.postMessage(typedArray1, [ typedArray1.buffer ]);
+     *
+     * // The following line prints the contents of typedArray1 -- it still owns
+     * // its memory and has been cloned, not transferred. Without
+     * // `markAsUntransferable()`, this would print an empty Uint8Array.
+     * // typedArray2 is intact as well.
+     * console.log(typedArray1);
+     * console.log(typedArray2);
+     * ```
+     *
+     * There is no equivalent to this API in browsers.
+     * @since v14.5.0, v12.19.0
+     */
+    function markAsUntransferable(object: object): void;
+    /**
+     * Transfer a `MessagePort` to a different `vm` Context. The original `port`object is rendered unusable, and the returned `MessagePort` instance
+     * takes its place.
+     *
+     * The returned `MessagePort` is an object in the target context and
+     * inherits from its global `Object` class. Objects passed to the [`port.onmessage()`](https://developer.mozilla.org/en-US/docs/Web/API/MessagePort/onmessage) listener are also created in the
+     * target context
+     * and inherit from its global `Object` class.
+     *
+     * However, the created `MessagePort` no longer inherits from [`EventTarget`](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget), and only
+     * [`port.onmessage()`](https://developer.mozilla.org/en-US/docs/Web/API/MessagePort/onmessage) can be used to receive
+     * events using it.
+     * @since v11.13.0
+     * @param port The message port to transfer.
+     * @param contextifiedSandbox A `contextified` object as returned by the `vm.createContext()` method.
+     */
+    function moveMessagePortToContext(port: MessagePort, contextifiedSandbox: Context): MessagePort;
+    /**
+     * Receive a single message from a given `MessagePort`. If no message is available,`undefined` is returned, otherwise an object with a single `message` property
+     * that contains the message payload, corresponding to the oldest message in the`MessagePort`’s queue.
+     *
+     * ```js
+     * const { MessageChannel, receiveMessageOnPort } = require('worker_threads');
+     * const { port1, port2 } = new MessageChannel();
+     * port1.postMessage({ hello: 'world' });
+     *
+     * console.log(receiveMessageOnPort(port2));
+     * // Prints: { message: { hello: 'world' } }
+     * console.log(receiveMessageOnPort(port2));
+     * // Prints: undefined
+     * ```
+     *
+     * When this function is used, no `'message'` event is emitted and the`onmessage` listener is not invoked.
+     * @since v12.3.0
+     */
+    function receiveMessageOnPort(port: MessagePort):
+        | {
+              message: any;
+          }
+        | undefined;
+    type Serializable = string | object | number | boolean | bigint;
+    /**
+     * Within a worker thread, `worker.getEnvironmentData()` returns a clone
+     * of data passed to the spawning thread's `worker.setEnvironmentData()`.
+     * Every new `Worker` receives its own copy of the environment data
+     * automatically.
+     *
+     * ```js
+     * const {
+     *   Worker,
+     *   isMainThread,
+     *   setEnvironmentData,
+     *   getEnvironmentData,
+     * } = require('worker_threads');
+     *
+     * if (isMainThread) {
+     *   setEnvironmentData('Hello', 'World!');
+     *   const worker = new Worker(__filename);
+     * } else {
+     *   console.log(getEnvironmentData('Hello'));  // Prints 'World!'.
+     * }
+     * ```
+     * @since v15.12.0, v14.18.0
+     * @param key Any arbitrary, cloneable JavaScript value that can be used as a {Map} key.
+     */
+    function getEnvironmentData(key: Serializable): Serializable;
+    /**
+     * The `worker.setEnvironmentData()` API sets the content of`worker.getEnvironmentData()` in the current thread and all new `Worker`instances spawned from the current context.
+     * @since v15.12.0, v14.18.0
+     * @param key Any arbitrary, cloneable JavaScript value that can be used as a {Map} key.
+     * @param value Any arbitrary, cloneable JavaScript value that will be cloned and passed automatically to all new `Worker` instances. If `value` is passed as `undefined`, any previously set value
+     * for the `key` will be deleted.
+     */
+    function setEnvironmentData(key: Serializable, value: Serializable): void;
+}
+declare module 'node:worker_threads' {
+    export * from 'worker_threads';
+}
diff --git a/node_modules/@types/node/ts4.8/zlib.d.ts b/node_modules/@types/node/ts4.8/zlib.d.ts
new file mode 100644
index 000000000..1d7f0c0e5
--- /dev/null
+++ b/node_modules/@types/node/ts4.8/zlib.d.ts
@@ -0,0 +1,517 @@
+/**
+ * The `zlib` module provides compression functionality implemented using Gzip,
+ * Deflate/Inflate, and Brotli.
+ *
+ * To access it:
+ *
+ * ```js
+ * const zlib = require('zlib');
+ * ```
+ *
+ * Compression and decompression are built around the Node.js `Streams API`.
+ *
+ * Compressing or decompressing a stream (such as a file) can be accomplished by
+ * piping the source stream through a `zlib` `Transform` stream into a destination
+ * stream:
+ *
+ * ```js
+ * const { createGzip } = require('zlib');
+ * const { pipeline } = require('stream');
+ * const {
+ *   createReadStream,
+ *   createWriteStream
+ * } = require('fs');
+ *
+ * const gzip = createGzip();
+ * const source = createReadStream('input.txt');
+ * const destination = createWriteStream('input.txt.gz');
+ *
+ * pipeline(source, gzip, destination, (err) => {
+ *   if (err) {
+ *     console.error('An error occurred:', err);
+ *     process.exitCode = 1;
+ *   }
+ * });
+ *
+ * // Or, Promisified
+ *
+ * const { promisify } = require('util');
+ * const pipe = promisify(pipeline);
+ *
+ * async function do_gzip(input, output) {
+ *   const gzip = createGzip();
+ *   const source = createReadStream(input);
+ *   const destination = createWriteStream(output);
+ *   await pipe(source, gzip, destination);
+ * }
+ *
+ * do_gzip('input.txt', 'input.txt.gz')
+ *   .catch((err) => {
+ *     console.error('An error occurred:', err);
+ *     process.exitCode = 1;
+ *   });
+ * ```
+ *
+ * It is also possible to compress or decompress data in a single step:
+ *
+ * ```js
+ * const { deflate, unzip } = require('zlib');
+ *
+ * const input = '.................................';
+ * deflate(input, (err, buffer) => {
+ *   if (err) {
+ *     console.error('An error occurred:', err);
+ *     process.exitCode = 1;
+ *   }
+ *   console.log(buffer.toString('base64'));
+ * });
+ *
+ * const buffer = Buffer.from('eJzT0yMAAGTvBe8=', 'base64');
+ * unzip(buffer, (err, buffer) => {
+ *   if (err) {
+ *     console.error('An error occurred:', err);
+ *     process.exitCode = 1;
+ *   }
+ *   console.log(buffer.toString());
+ * });
+ *
+ * // Or, Promisified
+ *
+ * const { promisify } = require('util');
+ * const do_unzip = promisify(unzip);
+ *
+ * do_unzip(buffer)
+ *   .then((buf) => console.log(buf.toString()))
+ *   .catch((err) => {
+ *     console.error('An error occurred:', err);
+ *     process.exitCode = 1;
+ *   });
+ * ```
+ * @since v0.5.8
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/zlib.js)
+ */
+declare module 'zlib' {
+    import * as stream from 'node:stream';
+    interface ZlibOptions {
+        /**
+         * @default constants.Z_NO_FLUSH
+         */
+        flush?: number | undefined;
+        /**
+         * @default constants.Z_FINISH
+         */
+        finishFlush?: number | undefined;
+        /**
+         * @default 16*1024
+         */
+        chunkSize?: number | undefined;
+        windowBits?: number | undefined;
+        level?: number | undefined; // compression only
+        memLevel?: number | undefined; // compression only
+        strategy?: number | undefined; // compression only
+        dictionary?: NodeJS.ArrayBufferView | ArrayBuffer | undefined; // deflate/inflate only, empty dictionary by default
+        info?: boolean | undefined;
+        maxOutputLength?: number | undefined;
+    }
+    interface BrotliOptions {
+        /**
+         * @default constants.BROTLI_OPERATION_PROCESS
+         */
+        flush?: number | undefined;
+        /**
+         * @default constants.BROTLI_OPERATION_FINISH
+         */
+        finishFlush?: number | undefined;
+        /**
+         * @default 16*1024
+         */
+        chunkSize?: number | undefined;
+        params?:
+            | {
+                  /**
+                   * Each key is a `constants.BROTLI_*` constant.
+                   */
+                  [key: number]: boolean | number;
+              }
+            | undefined;
+        maxOutputLength?: number | undefined;
+    }
+    interface Zlib {
+        /** @deprecated Use bytesWritten instead. */
+        readonly bytesRead: number;
+        readonly bytesWritten: number;
+        shell?: boolean | string | undefined;
+        close(callback?: () => void): void;
+        flush(kind?: number, callback?: () => void): void;
+        flush(callback?: () => void): void;
+    }
+    interface ZlibParams {
+        params(level: number, strategy: number, callback: () => void): void;
+    }
+    interface ZlibReset {
+        reset(): void;
+    }
+    interface BrotliCompress extends stream.Transform, Zlib {}
+    interface BrotliDecompress extends stream.Transform, Zlib {}
+    interface Gzip extends stream.Transform, Zlib {}
+    interface Gunzip extends stream.Transform, Zlib {}
+    interface Deflate extends stream.Transform, Zlib, ZlibReset, ZlibParams {}
+    interface Inflate extends stream.Transform, Zlib, ZlibReset {}
+    interface DeflateRaw extends stream.Transform, Zlib, ZlibReset, ZlibParams {}
+    interface InflateRaw extends stream.Transform, Zlib, ZlibReset {}
+    interface Unzip extends stream.Transform, Zlib {}
+    /**
+     * Creates and returns a new `BrotliCompress` object.
+     * @since v11.7.0, v10.16.0
+     */
+    function createBrotliCompress(options?: BrotliOptions): BrotliCompress;
+    /**
+     * Creates and returns a new `BrotliDecompress` object.
+     * @since v11.7.0, v10.16.0
+     */
+    function createBrotliDecompress(options?: BrotliOptions): BrotliDecompress;
+    /**
+     * Creates and returns a new `Gzip` object.
+     * See `example`.
+     * @since v0.5.8
+     */
+    function createGzip(options?: ZlibOptions): Gzip;
+    /**
+     * Creates and returns a new `Gunzip` object.
+     * @since v0.5.8
+     */
+    function createGunzip(options?: ZlibOptions): Gunzip;
+    /**
+     * Creates and returns a new `Deflate` object.
+     * @since v0.5.8
+     */
+    function createDeflate(options?: ZlibOptions): Deflate;
+    /**
+     * Creates and returns a new `Inflate` object.
+     * @since v0.5.8
+     */
+    function createInflate(options?: ZlibOptions): Inflate;
+    /**
+     * Creates and returns a new `DeflateRaw` object.
+     *
+     * An upgrade of zlib from 1.2.8 to 1.2.11 changed behavior when `windowBits`is set to 8 for raw deflate streams. zlib would automatically set `windowBits`to 9 if was initially set to 8\. Newer
+     * versions of zlib will throw an exception,
+     * so Node.js restored the original behavior of upgrading a value of 8 to 9,
+     * since passing `windowBits = 9` to zlib actually results in a compressed stream
+     * that effectively uses an 8-bit window only.
+     * @since v0.5.8
+     */
+    function createDeflateRaw(options?: ZlibOptions): DeflateRaw;
+    /**
+     * Creates and returns a new `InflateRaw` object.
+     * @since v0.5.8
+     */
+    function createInflateRaw(options?: ZlibOptions): InflateRaw;
+    /**
+     * Creates and returns a new `Unzip` object.
+     * @since v0.5.8
+     */
+    function createUnzip(options?: ZlibOptions): Unzip;
+    type InputType = string | ArrayBuffer | NodeJS.ArrayBufferView;
+    type CompressCallback = (error: Error | null, result: Buffer) => void;
+    /**
+     * @since v11.7.0, v10.16.0
+     */
+    function brotliCompress(buf: InputType, options: BrotliOptions, callback: CompressCallback): void;
+    function brotliCompress(buf: InputType, callback: CompressCallback): void;
+    namespace brotliCompress {
+        function __promisify__(buffer: InputType, options?: BrotliOptions): Promise<Buffer>;
+    }
+    /**
+     * Compress a chunk of data with `BrotliCompress`.
+     * @since v11.7.0, v10.16.0
+     */
+    function brotliCompressSync(buf: InputType, options?: BrotliOptions): Buffer;
+    /**
+     * @since v11.7.0, v10.16.0
+     */
+    function brotliDecompress(buf: InputType, options: BrotliOptions, callback: CompressCallback): void;
+    function brotliDecompress(buf: InputType, callback: CompressCallback): void;
+    namespace brotliDecompress {
+        function __promisify__(buffer: InputType, options?: BrotliOptions): Promise<Buffer>;
+    }
+    /**
+     * Decompress a chunk of data with `BrotliDecompress`.
+     * @since v11.7.0, v10.16.0
+     */
+    function brotliDecompressSync(buf: InputType, options?: BrotliOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function deflate(buf: InputType, callback: CompressCallback): void;
+    function deflate(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace deflate {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Compress a chunk of data with `Deflate`.
+     * @since v0.11.12
+     */
+    function deflateSync(buf: InputType, options?: ZlibOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function deflateRaw(buf: InputType, callback: CompressCallback): void;
+    function deflateRaw(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace deflateRaw {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Compress a chunk of data with `DeflateRaw`.
+     * @since v0.11.12
+     */
+    function deflateRawSync(buf: InputType, options?: ZlibOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function gzip(buf: InputType, callback: CompressCallback): void;
+    function gzip(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace gzip {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Compress a chunk of data with `Gzip`.
+     * @since v0.11.12
+     */
+    function gzipSync(buf: InputType, options?: ZlibOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function gunzip(buf: InputType, callback: CompressCallback): void;
+    function gunzip(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace gunzip {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Decompress a chunk of data with `Gunzip`.
+     * @since v0.11.12
+     */
+    function gunzipSync(buf: InputType, options?: ZlibOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function inflate(buf: InputType, callback: CompressCallback): void;
+    function inflate(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace inflate {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Decompress a chunk of data with `Inflate`.
+     * @since v0.11.12
+     */
+    function inflateSync(buf: InputType, options?: ZlibOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function inflateRaw(buf: InputType, callback: CompressCallback): void;
+    function inflateRaw(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace inflateRaw {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Decompress a chunk of data with `InflateRaw`.
+     * @since v0.11.12
+     */
+    function inflateRawSync(buf: InputType, options?: ZlibOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function unzip(buf: InputType, callback: CompressCallback): void;
+    function unzip(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace unzip {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Decompress a chunk of data with `Unzip`.
+     * @since v0.11.12
+     */
+    function unzipSync(buf: InputType, options?: ZlibOptions): Buffer;
+    namespace constants {
+        const BROTLI_DECODE: number;
+        const BROTLI_DECODER_ERROR_ALLOC_BLOCK_TYPE_TREES: number;
+        const BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MAP: number;
+        const BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MODES: number;
+        const BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_1: number;
+        const BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_2: number;
+        const BROTLI_DECODER_ERROR_ALLOC_TREE_GROUPS: number;
+        const BROTLI_DECODER_ERROR_DICTIONARY_NOT_SET: number;
+        const BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_1: number;
+        const BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_2: number;
+        const BROTLI_DECODER_ERROR_FORMAT_CL_SPACE: number;
+        const BROTLI_DECODER_ERROR_FORMAT_CONTEXT_MAP_REPEAT: number;
+        const BROTLI_DECODER_ERROR_FORMAT_DICTIONARY: number;
+        const BROTLI_DECODER_ERROR_FORMAT_DISTANCE: number;
+        const BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_META_NIBBLE: number;
+        const BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_NIBBLE: number;
+        const BROTLI_DECODER_ERROR_FORMAT_HUFFMAN_SPACE: number;
+        const BROTLI_DECODER_ERROR_FORMAT_PADDING_1: number;
+        const BROTLI_DECODER_ERROR_FORMAT_PADDING_2: number;
+        const BROTLI_DECODER_ERROR_FORMAT_RESERVED: number;
+        const BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_ALPHABET: number;
+        const BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_SAME: number;
+        const BROTLI_DECODER_ERROR_FORMAT_TRANSFORM: number;
+        const BROTLI_DECODER_ERROR_FORMAT_WINDOW_BITS: number;
+        const BROTLI_DECODER_ERROR_INVALID_ARGUMENTS: number;
+        const BROTLI_DECODER_ERROR_UNREACHABLE: number;
+        const BROTLI_DECODER_NEEDS_MORE_INPUT: number;
+        const BROTLI_DECODER_NEEDS_MORE_OUTPUT: number;
+        const BROTLI_DECODER_NO_ERROR: number;
+        const BROTLI_DECODER_PARAM_DISABLE_RING_BUFFER_REALLOCATION: number;
+        const BROTLI_DECODER_PARAM_LARGE_WINDOW: number;
+        const BROTLI_DECODER_RESULT_ERROR: number;
+        const BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT: number;
+        const BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT: number;
+        const BROTLI_DECODER_RESULT_SUCCESS: number;
+        const BROTLI_DECODER_SUCCESS: number;
+        const BROTLI_DEFAULT_MODE: number;
+        const BROTLI_DEFAULT_QUALITY: number;
+        const BROTLI_DEFAULT_WINDOW: number;
+        const BROTLI_ENCODE: number;
+        const BROTLI_LARGE_MAX_WINDOW_BITS: number;
+        const BROTLI_MAX_INPUT_BLOCK_BITS: number;
+        const BROTLI_MAX_QUALITY: number;
+        const BROTLI_MAX_WINDOW_BITS: number;
+        const BROTLI_MIN_INPUT_BLOCK_BITS: number;
+        const BROTLI_MIN_QUALITY: number;
+        const BROTLI_MIN_WINDOW_BITS: number;
+        const BROTLI_MODE_FONT: number;
+        const BROTLI_MODE_GENERIC: number;
+        const BROTLI_MODE_TEXT: number;
+        const BROTLI_OPERATION_EMIT_METADATA: number;
+        const BROTLI_OPERATION_FINISH: number;
+        const BROTLI_OPERATION_FLUSH: number;
+        const BROTLI_OPERATION_PROCESS: number;
+        const BROTLI_PARAM_DISABLE_LITERAL_CONTEXT_MODELING: number;
+        const BROTLI_PARAM_LARGE_WINDOW: number;
+        const BROTLI_PARAM_LGBLOCK: number;
+        const BROTLI_PARAM_LGWIN: number;
+        const BROTLI_PARAM_MODE: number;
+        const BROTLI_PARAM_NDIRECT: number;
+        const BROTLI_PARAM_NPOSTFIX: number;
+        const BROTLI_PARAM_QUALITY: number;
+        const BROTLI_PARAM_SIZE_HINT: number;
+        const DEFLATE: number;
+        const DEFLATERAW: number;
+        const GUNZIP: number;
+        const GZIP: number;
+        const INFLATE: number;
+        const INFLATERAW: number;
+        const UNZIP: number;
+        // Allowed flush values.
+        const Z_NO_FLUSH: number;
+        const Z_PARTIAL_FLUSH: number;
+        const Z_SYNC_FLUSH: number;
+        const Z_FULL_FLUSH: number;
+        const Z_FINISH: number;
+        const Z_BLOCK: number;
+        const Z_TREES: number;
+        // Return codes for the compression/decompression functions.
+        // Negative values are errors, positive values are used for special but normal events.
+        const Z_OK: number;
+        const Z_STREAM_END: number;
+        const Z_NEED_DICT: number;
+        const Z_ERRNO: number;
+        const Z_STREAM_ERROR: number;
+        const Z_DATA_ERROR: number;
+        const Z_MEM_ERROR: number;
+        const Z_BUF_ERROR: number;
+        const Z_VERSION_ERROR: number;
+        // Compression levels.
+        const Z_NO_COMPRESSION: number;
+        const Z_BEST_SPEED: number;
+        const Z_BEST_COMPRESSION: number;
+        const Z_DEFAULT_COMPRESSION: number;
+        // Compression strategy.
+        const Z_FILTERED: number;
+        const Z_HUFFMAN_ONLY: number;
+        const Z_RLE: number;
+        const Z_FIXED: number;
+        const Z_DEFAULT_STRATEGY: number;
+        const Z_DEFAULT_WINDOWBITS: number;
+        const Z_MIN_WINDOWBITS: number;
+        const Z_MAX_WINDOWBITS: number;
+        const Z_MIN_CHUNK: number;
+        const Z_MAX_CHUNK: number;
+        const Z_DEFAULT_CHUNK: number;
+        const Z_MIN_MEMLEVEL: number;
+        const Z_MAX_MEMLEVEL: number;
+        const Z_DEFAULT_MEMLEVEL: number;
+        const Z_MIN_LEVEL: number;
+        const Z_MAX_LEVEL: number;
+        const Z_DEFAULT_LEVEL: number;
+        const ZLIB_VERNUM: number;
+    }
+    // Allowed flush values.
+    /** @deprecated Use `constants.Z_NO_FLUSH` */
+    const Z_NO_FLUSH: number;
+    /** @deprecated Use `constants.Z_PARTIAL_FLUSH` */
+    const Z_PARTIAL_FLUSH: number;
+    /** @deprecated Use `constants.Z_SYNC_FLUSH` */
+    const Z_SYNC_FLUSH: number;
+    /** @deprecated Use `constants.Z_FULL_FLUSH` */
+    const Z_FULL_FLUSH: number;
+    /** @deprecated Use `constants.Z_FINISH` */
+    const Z_FINISH: number;
+    /** @deprecated Use `constants.Z_BLOCK` */
+    const Z_BLOCK: number;
+    /** @deprecated Use `constants.Z_TREES` */
+    const Z_TREES: number;
+    // Return codes for the compression/decompression functions.
+    // Negative values are errors, positive values are used for special but normal events.
+    /** @deprecated Use `constants.Z_OK` */
+    const Z_OK: number;
+    /** @deprecated Use `constants.Z_STREAM_END` */
+    const Z_STREAM_END: number;
+    /** @deprecated Use `constants.Z_NEED_DICT` */
+    const Z_NEED_DICT: number;
+    /** @deprecated Use `constants.Z_ERRNO` */
+    const Z_ERRNO: number;
+    /** @deprecated Use `constants.Z_STREAM_ERROR` */
+    const Z_STREAM_ERROR: number;
+    /** @deprecated Use `constants.Z_DATA_ERROR` */
+    const Z_DATA_ERROR: number;
+    /** @deprecated Use `constants.Z_MEM_ERROR` */
+    const Z_MEM_ERROR: number;
+    /** @deprecated Use `constants.Z_BUF_ERROR` */
+    const Z_BUF_ERROR: number;
+    /** @deprecated Use `constants.Z_VERSION_ERROR` */
+    const Z_VERSION_ERROR: number;
+    // Compression levels.
+    /** @deprecated Use `constants.Z_NO_COMPRESSION` */
+    const Z_NO_COMPRESSION: number;
+    /** @deprecated Use `constants.Z_BEST_SPEED` */
+    const Z_BEST_SPEED: number;
+    /** @deprecated Use `constants.Z_BEST_COMPRESSION` */
+    const Z_BEST_COMPRESSION: number;
+    /** @deprecated Use `constants.Z_DEFAULT_COMPRESSION` */
+    const Z_DEFAULT_COMPRESSION: number;
+    // Compression strategy.
+    /** @deprecated Use `constants.Z_FILTERED` */
+    const Z_FILTERED: number;
+    /** @deprecated Use `constants.Z_HUFFMAN_ONLY` */
+    const Z_HUFFMAN_ONLY: number;
+    /** @deprecated Use `constants.Z_RLE` */
+    const Z_RLE: number;
+    /** @deprecated Use `constants.Z_FIXED` */
+    const Z_FIXED: number;
+    /** @deprecated Use `constants.Z_DEFAULT_STRATEGY` */
+    const Z_DEFAULT_STRATEGY: number;
+    /** @deprecated */
+    const Z_BINARY: number;
+    /** @deprecated */
+    const Z_TEXT: number;
+    /** @deprecated */
+    const Z_ASCII: number;
+    /** @deprecated  */
+    const Z_UNKNOWN: number;
+    /** @deprecated */
+    const Z_DEFLATED: number;
+}
+declare module 'node:zlib' {
+    export * from 'zlib';
+}
diff --git a/node_modules/@types/node/tty.d.ts b/node_modules/@types/node/tty.d.ts
new file mode 100644
index 000000000..6473f8db7
--- /dev/null
+++ b/node_modules/@types/node/tty.d.ts
@@ -0,0 +1,206 @@
+/**
+ * The `tty` module provides the `tty.ReadStream` and `tty.WriteStream` classes.
+ * In most cases, it will not be necessary or possible to use this module directly.
+ * However, it can be accessed using:
+ *
+ * ```js
+ * const tty = require('tty');
+ * ```
+ *
+ * When Node.js detects that it is being run with a text terminal ("TTY")
+ * attached, `process.stdin` will, by default, be initialized as an instance of`tty.ReadStream` and both `process.stdout` and `process.stderr` will, by
+ * default, be instances of `tty.WriteStream`. The preferred method of determining
+ * whether Node.js is being run within a TTY context is to check that the value of
+ * the `process.stdout.isTTY` property is `true`:
+ *
+ * ```console
+ * $ node -p -e "Boolean(process.stdout.isTTY)"
+ * true
+ * $ node -p -e "Boolean(process.stdout.isTTY)" | cat
+ * false
+ * ```
+ *
+ * In most cases, there should be little to no reason for an application to
+ * manually create instances of the `tty.ReadStream` and `tty.WriteStream`classes.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/tty.js)
+ */
+declare module 'tty' {
+    import * as net from 'node:net';
+    /**
+     * The `tty.isatty()` method returns `true` if the given `fd` is associated with
+     * a TTY and `false` if it is not, including whenever `fd` is not a non-negative
+     * integer.
+     * @since v0.5.8
+     * @param fd A numeric file descriptor
+     */
+    function isatty(fd: number): boolean;
+    /**
+     * Represents the readable side of a TTY. In normal circumstances `process.stdin` will be the only `tty.ReadStream` instance in a Node.js
+     * process and there should be no reason to create additional instances.
+     * @since v0.5.8
+     */
+    class ReadStream extends net.Socket {
+        constructor(fd: number, options?: net.SocketConstructorOpts);
+        /**
+         * A `boolean` that is `true` if the TTY is currently configured to operate as a
+         * raw device. Defaults to `false`.
+         * @since v0.7.7
+         */
+        isRaw: boolean;
+        /**
+         * Allows configuration of `tty.ReadStream` so that it operates as a raw device.
+         *
+         * When in raw mode, input is always available character-by-character, not
+         * including modifiers. Additionally, all special processing of characters by the
+         * terminal is disabled, including echoing input
+         * characters. Ctrl+C will no longer cause a `SIGINT` when
+         * in this mode.
+         * @since v0.7.7
+         * @param mode If `true`, configures the `tty.ReadStream` to operate as a raw device. If `false`, configures the `tty.ReadStream` to operate in its default mode. The `readStream.isRaw`
+         * property will be set to the resulting mode.
+         * @return The read stream instance.
+         */
+        setRawMode(mode: boolean): this;
+        /**
+         * A `boolean` that is always `true` for `tty.ReadStream` instances.
+         * @since v0.5.8
+         */
+        isTTY: boolean;
+    }
+    /**
+     * -1 - to the left from cursor
+     *  0 - the entire line
+     *  1 - to the right from cursor
+     */
+    type Direction = -1 | 0 | 1;
+    /**
+     * Represents the writable side of a TTY. In normal circumstances,`process.stdout` and `process.stderr` will be the only`tty.WriteStream` instances created for a Node.js process and there
+     * should be no reason to create additional instances.
+     * @since v0.5.8
+     */
+    class WriteStream extends net.Socket {
+        constructor(fd: number);
+        addListener(event: string, listener: (...args: any[]) => void): this;
+        addListener(event: 'resize', listener: () => void): this;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        emit(event: 'resize'): boolean;
+        on(event: string, listener: (...args: any[]) => void): this;
+        on(event: 'resize', listener: () => void): this;
+        once(event: string, listener: (...args: any[]) => void): this;
+        once(event: 'resize', listener: () => void): this;
+        prependListener(event: string, listener: (...args: any[]) => void): this;
+        prependListener(event: 'resize', listener: () => void): this;
+        prependOnceListener(event: string, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'resize', listener: () => void): this;
+        /**
+         * `writeStream.clearLine()` clears the current line of this `WriteStream` in a
+         * direction identified by `dir`.
+         * @since v0.7.7
+         * @param callback Invoked once the operation completes.
+         * @return `false` if the stream wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+         */
+        clearLine(dir: Direction, callback?: () => void): boolean;
+        /**
+         * `writeStream.clearScreenDown()` clears this `WriteStream` from the current
+         * cursor down.
+         * @since v0.7.7
+         * @param callback Invoked once the operation completes.
+         * @return `false` if the stream wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+         */
+        clearScreenDown(callback?: () => void): boolean;
+        /**
+         * `writeStream.cursorTo()` moves this `WriteStream`'s cursor to the specified
+         * position.
+         * @since v0.7.7
+         * @param callback Invoked once the operation completes.
+         * @return `false` if the stream wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+         */
+        cursorTo(x: number, y?: number, callback?: () => void): boolean;
+        cursorTo(x: number, callback: () => void): boolean;
+        /**
+         * `writeStream.moveCursor()` moves this `WriteStream`'s cursor _relative_ to its
+         * current position.
+         * @since v0.7.7
+         * @param callback Invoked once the operation completes.
+         * @return `false` if the stream wishes for the calling code to wait for the `'drain'` event to be emitted before continuing to write additional data; otherwise `true`.
+         */
+        moveCursor(dx: number, dy: number, callback?: () => void): boolean;
+        /**
+         * Returns:
+         *
+         * * `1` for 2,
+         * * `4` for 16,
+         * * `8` for 256,
+         * * `24` for 16,777,216 colors supported.
+         *
+         * Use this to determine what colors the terminal supports. Due to the nature of
+         * colors in terminals it is possible to either have false positives or false
+         * negatives. It depends on process information and the environment variables that
+         * may lie about what terminal is used.
+         * It is possible to pass in an `env` object to simulate the usage of a specific
+         * terminal. This can be useful to check how specific environment settings behave.
+         *
+         * To enforce a specific color support, use one of the below environment settings.
+         *
+         * * 2 colors: `FORCE_COLOR = 0` (Disables colors)
+         * * 16 colors: `FORCE_COLOR = 1`
+         * * 256 colors: `FORCE_COLOR = 2`
+         * * 16,777,216 colors: `FORCE_COLOR = 3`
+         *
+         * Disabling color support is also possible by using the `NO_COLOR` and`NODE_DISABLE_COLORS` environment variables.
+         * @since v9.9.0
+         * @param [env=process.env] An object containing the environment variables to check. This enables simulating the usage of a specific terminal.
+         */
+        getColorDepth(env?: object): number;
+        /**
+         * Returns `true` if the `writeStream` supports at least as many colors as provided
+         * in `count`. Minimum support is 2 (black and white).
+         *
+         * This has the same false positives and negatives as described in `writeStream.getColorDepth()`.
+         *
+         * ```js
+         * process.stdout.hasColors();
+         * // Returns true or false depending on if `stdout` supports at least 16 colors.
+         * process.stdout.hasColors(256);
+         * // Returns true or false depending on if `stdout` supports at least 256 colors.
+         * process.stdout.hasColors({ TMUX: '1' });
+         * // Returns true.
+         * process.stdout.hasColors(2 ** 24, { TMUX: '1' });
+         * // Returns false (the environment setting pretends to support 2 ** 8 colors).
+         * ```
+         * @since v11.13.0, v10.16.0
+         * @param [count=16] The number of colors that are requested (minimum 2).
+         * @param [env=process.env] An object containing the environment variables to check. This enables simulating the usage of a specific terminal.
+         */
+        hasColors(count?: number): boolean;
+        hasColors(env?: object): boolean;
+        hasColors(count: number, env?: object): boolean;
+        /**
+         * `writeStream.getWindowSize()` returns the size of the TTY
+         * corresponding to this `WriteStream`. The array is of the type`[numColumns, numRows]` where `numColumns` and `numRows` represent the number
+         * of columns and rows in the corresponding TTY.
+         * @since v0.7.7
+         */
+        getWindowSize(): [number, number];
+        /**
+         * A `number` specifying the number of columns the TTY currently has. This property
+         * is updated whenever the `'resize'` event is emitted.
+         * @since v0.7.7
+         */
+        columns: number;
+        /**
+         * A `number` specifying the number of rows the TTY currently has. This property
+         * is updated whenever the `'resize'` event is emitted.
+         * @since v0.7.7
+         */
+        rows: number;
+        /**
+         * A `boolean` that is always `true`.
+         * @since v0.5.8
+         */
+        isTTY: boolean;
+    }
+}
+declare module 'node:tty' {
+    export * from 'tty';
+}
diff --git a/node_modules/@types/node/url.d.ts b/node_modules/@types/node/url.d.ts
new file mode 100644
index 000000000..18362c8aa
--- /dev/null
+++ b/node_modules/@types/node/url.d.ts
@@ -0,0 +1,897 @@
+/**
+ * The `url` module provides utilities for URL resolution and parsing. It can be
+ * accessed using:
+ *
+ * ```js
+ * import url from 'url';
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/url.js)
+ */
+declare module 'url' {
+    import { Blob } from 'node:buffer';
+    import { ClientRequestArgs } from 'node:http';
+    import { ParsedUrlQuery, ParsedUrlQueryInput } from 'node:querystring';
+    // Input to `url.format`
+    interface UrlObject {
+        auth?: string | null | undefined;
+        hash?: string | null | undefined;
+        host?: string | null | undefined;
+        hostname?: string | null | undefined;
+        href?: string | null | undefined;
+        pathname?: string | null | undefined;
+        protocol?: string | null | undefined;
+        search?: string | null | undefined;
+        slashes?: boolean | null | undefined;
+        port?: string | number | null | undefined;
+        query?: string | null | ParsedUrlQueryInput | undefined;
+    }
+    // Output of `url.parse`
+    interface Url {
+        auth: string | null;
+        hash: string | null;
+        host: string | null;
+        hostname: string | null;
+        href: string;
+        path: string | null;
+        pathname: string | null;
+        protocol: string | null;
+        search: string | null;
+        slashes: boolean | null;
+        port: string | null;
+        query: string | null | ParsedUrlQuery;
+    }
+    interface UrlWithParsedQuery extends Url {
+        query: ParsedUrlQuery;
+    }
+    interface UrlWithStringQuery extends Url {
+        query: string | null;
+    }
+    /**
+     * The `url.parse()` method takes a URL string, parses it, and returns a URL
+     * object.
+     *
+     * A `TypeError` is thrown if `urlString` is not a string.
+     *
+     * A `URIError` is thrown if the `auth` property is present but cannot be decoded.
+     *
+     * Use of the legacy `url.parse()` method is discouraged. Users should
+     * use the WHATWG `URL` API. Because the `url.parse()` method uses a
+     * lenient, non-standard algorithm for parsing URL strings, security
+     * issues can be introduced. Specifically, issues with [host name spoofing](https://hackerone.com/reports/678487) and
+     * incorrect handling of usernames and passwords have been identified.
+     *
+     * Deprecation of this API has been shelved for now primarily due to the the
+     * inability of the [WHATWG API to parse relative URLs](https://github.com/nodejs/node/issues/12682#issuecomment-1154492373).
+     * [Discussions are ongoing](https://github.com/whatwg/url/issues/531) for the  best way to resolve this.
+     *
+     * @since v0.1.25
+     * @param urlString The URL string to parse.
+     * @param [parseQueryString=false] If `true`, the `query` property will always be set to an object returned by the {@link querystring} module's `parse()` method. If `false`, the `query` property
+     * on the returned URL object will be an unparsed, undecoded string.
+     * @param [slashesDenoteHost=false] If `true`, the first token after the literal string `//` and preceding the next `/` will be interpreted as the `host`. For instance, given `//foo/bar`, the
+     * result would be `{host: 'foo', pathname: '/bar'}` rather than `{pathname: '//foo/bar'}`.
+     */
+    function parse(urlString: string): UrlWithStringQuery;
+    function parse(urlString: string, parseQueryString: false | undefined, slashesDenoteHost?: boolean): UrlWithStringQuery;
+    function parse(urlString: string, parseQueryString: true, slashesDenoteHost?: boolean): UrlWithParsedQuery;
+    function parse(urlString: string, parseQueryString: boolean, slashesDenoteHost?: boolean): Url;
+    /**
+     * The `url.format()` method returns a formatted URL string derived from`urlObject`.
+     *
+     * ```js
+     * const url = require('url');
+     * url.format({
+     *   protocol: 'https',
+     *   hostname: 'example.com',
+     *   pathname: '/some/path',
+     *   query: {
+     *     page: 1,
+     *     format: 'json'
+     *   }
+     * });
+     *
+     * // => 'https://example.com/some/path?page=1&#x26;format=json'
+     * ```
+     *
+     * If `urlObject` is not an object or a string, `url.format()` will throw a `TypeError`.
+     *
+     * The formatting process operates as follows:
+     *
+     * * A new empty string `result` is created.
+     * * If `urlObject.protocol` is a string, it is appended as-is to `result`.
+     * * Otherwise, if `urlObject.protocol` is not `undefined` and is not a string, an `Error` is thrown.
+     * * For all string values of `urlObject.protocol` that _do not end_ with an ASCII
+     * colon (`:`) character, the literal string `:` will be appended to `result`.
+     * * If either of the following conditions is true, then the literal string `//`will be appended to `result`:
+     *    * `urlObject.slashes` property is true;
+     *    * `urlObject.protocol` begins with `http`, `https`, `ftp`, `gopher`, or`file`;
+     * * If the value of the `urlObject.auth` property is truthy, and either`urlObject.host` or `urlObject.hostname` are not `undefined`, the value of`urlObject.auth` will be coerced into a string
+     * and appended to `result`followed by the literal string `@`.
+     * * If the `urlObject.host` property is `undefined` then:
+     *    * If the `urlObject.hostname` is a string, it is appended to `result`.
+     *    * Otherwise, if `urlObject.hostname` is not `undefined` and is not a string,
+     *    an `Error` is thrown.
+     *    * If the `urlObject.port` property value is truthy, and `urlObject.hostname`is not `undefined`:
+     *          * The literal string `:` is appended to `result`, and
+     *          * The value of `urlObject.port` is coerced to a string and appended to`result`.
+     * * Otherwise, if the `urlObject.host` property value is truthy, the value of`urlObject.host` is coerced to a string and appended to `result`.
+     * * If the `urlObject.pathname` property is a string that is not an empty string:
+     *    * If the `urlObject.pathname`_does not start_ with an ASCII forward slash
+     *    (`/`), then the literal string `'/'` is appended to `result`.
+     *    * The value of `urlObject.pathname` is appended to `result`.
+     * * Otherwise, if `urlObject.pathname` is not `undefined` and is not a string, an `Error` is thrown.
+     * * If the `urlObject.search` property is `undefined` and if the `urlObject.query`property is an `Object`, the literal string `?` is appended to `result`followed by the output of calling the
+     * `querystring` module's `stringify()`method passing the value of `urlObject.query`.
+     * * Otherwise, if `urlObject.search` is a string:
+     *    * If the value of `urlObject.search`_does not start_ with the ASCII question
+     *    mark (`?`) character, the literal string `?` is appended to `result`.
+     *    * The value of `urlObject.search` is appended to `result`.
+     * * Otherwise, if `urlObject.search` is not `undefined` and is not a string, an `Error` is thrown.
+     * * If the `urlObject.hash` property is a string:
+     *    * If the value of `urlObject.hash`_does not start_ with the ASCII hash (`#`)
+     *    character, the literal string `#` is appended to `result`.
+     *    * The value of `urlObject.hash` is appended to `result`.
+     * * Otherwise, if the `urlObject.hash` property is not `undefined` and is not a
+     * string, an `Error` is thrown.
+     * * `result` is returned.
+     * @since v0.1.25
+     * @deprecated Legacy: Use the WHATWG URL API instead.
+     * @param urlObject A URL object (as returned by `url.parse()` or constructed otherwise). If a string, it is converted to an object by passing it to `url.parse()`.
+     */
+    function format(urlObject: URL, options?: URLFormatOptions): string;
+    /**
+     * The `url.format()` method returns a formatted URL string derived from`urlObject`.
+     *
+     * ```js
+     * const url = require('url');
+     * url.format({
+     *   protocol: 'https',
+     *   hostname: 'example.com',
+     *   pathname: '/some/path',
+     *   query: {
+     *     page: 1,
+     *     format: 'json'
+     *   }
+     * });
+     *
+     * // => 'https://example.com/some/path?page=1&#x26;format=json'
+     * ```
+     *
+     * If `urlObject` is not an object or a string, `url.format()` will throw a `TypeError`.
+     *
+     * The formatting process operates as follows:
+     *
+     * * A new empty string `result` is created.
+     * * If `urlObject.protocol` is a string, it is appended as-is to `result`.
+     * * Otherwise, if `urlObject.protocol` is not `undefined` and is not a string, an `Error` is thrown.
+     * * For all string values of `urlObject.protocol` that _do not end_ with an ASCII
+     * colon (`:`) character, the literal string `:` will be appended to `result`.
+     * * If either of the following conditions is true, then the literal string `//`will be appended to `result`:
+     *    * `urlObject.slashes` property is true;
+     *    * `urlObject.protocol` begins with `http`, `https`, `ftp`, `gopher`, or`file`;
+     * * If the value of the `urlObject.auth` property is truthy, and either`urlObject.host` or `urlObject.hostname` are not `undefined`, the value of`urlObject.auth` will be coerced into a string
+     * and appended to `result`followed by the literal string `@`.
+     * * If the `urlObject.host` property is `undefined` then:
+     *    * If the `urlObject.hostname` is a string, it is appended to `result`.
+     *    * Otherwise, if `urlObject.hostname` is not `undefined` and is not a string,
+     *    an `Error` is thrown.
+     *    * If the `urlObject.port` property value is truthy, and `urlObject.hostname`is not `undefined`:
+     *          * The literal string `:` is appended to `result`, and
+     *          * The value of `urlObject.port` is coerced to a string and appended to`result`.
+     * * Otherwise, if the `urlObject.host` property value is truthy, the value of`urlObject.host` is coerced to a string and appended to `result`.
+     * * If the `urlObject.pathname` property is a string that is not an empty string:
+     *    * If the `urlObject.pathname`_does not start_ with an ASCII forward slash
+     *    (`/`), then the literal string `'/'` is appended to `result`.
+     *    * The value of `urlObject.pathname` is appended to `result`.
+     * * Otherwise, if `urlObject.pathname` is not `undefined` and is not a string, an `Error` is thrown.
+     * * If the `urlObject.search` property is `undefined` and if the `urlObject.query`property is an `Object`, the literal string `?` is appended to `result`followed by the output of calling the
+     * `querystring` module's `stringify()`method passing the value of `urlObject.query`.
+     * * Otherwise, if `urlObject.search` is a string:
+     *    * If the value of `urlObject.search`_does not start_ with the ASCII question
+     *    mark (`?`) character, the literal string `?` is appended to `result`.
+     *    * The value of `urlObject.search` is appended to `result`.
+     * * Otherwise, if `urlObject.search` is not `undefined` and is not a string, an `Error` is thrown.
+     * * If the `urlObject.hash` property is a string:
+     *    * If the value of `urlObject.hash`_does not start_ with the ASCII hash (`#`)
+     *    character, the literal string `#` is appended to `result`.
+     *    * The value of `urlObject.hash` is appended to `result`.
+     * * Otherwise, if the `urlObject.hash` property is not `undefined` and is not a
+     * string, an `Error` is thrown.
+     * * `result` is returned.
+     * @since v0.1.25
+     * @deprecated Legacy: Use the WHATWG URL API instead.
+     * @param urlObject A URL object (as returned by `url.parse()` or constructed otherwise). If a string, it is converted to an object by passing it to `url.parse()`.
+     */
+    function format(urlObject: UrlObject | string): string;
+    /**
+     * The `url.resolve()` method resolves a target URL relative to a base URL in a
+     * manner similar to that of a web browser resolving an anchor tag.
+     *
+     * ```js
+     * const url = require('url');
+     * url.resolve('/one/two/three', 'four');         // '/one/two/four'
+     * url.resolve('http://example.com/', '/one');    // 'http://example.com/one'
+     * url.resolve('http://example.com/one', '/two'); // 'http://example.com/two'
+     * ```
+     *
+     * To achieve the same result using the WHATWG URL API:
+     *
+     * ```js
+     * function resolve(from, to) {
+     *   const resolvedUrl = new URL(to, new URL(from, 'resolve://'));
+     *   if (resolvedUrl.protocol === 'resolve:') {
+     *     // `from` is a relative URL.
+     *     const { pathname, search, hash } = resolvedUrl;
+     *     return pathname + search + hash;
+     *   }
+     *   return resolvedUrl.toString();
+     * }
+     *
+     * resolve('/one/two/three', 'four');         // '/one/two/four'
+     * resolve('http://example.com/', '/one');    // 'http://example.com/one'
+     * resolve('http://example.com/one', '/two'); // 'http://example.com/two'
+     * ```
+     * @since v0.1.25
+     * @deprecated Legacy: Use the WHATWG URL API instead.
+     * @param from The base URL to use if `to` is a relative URL.
+     * @param to The target URL to resolve.
+     */
+    function resolve(from: string, to: string): string;
+    /**
+     * Returns the [Punycode](https://tools.ietf.org/html/rfc5891#section-4.4) ASCII serialization of the `domain`. If `domain` is an
+     * invalid domain, the empty string is returned.
+     *
+     * It performs the inverse operation to {@link domainToUnicode}.
+     *
+     * This feature is only available if the `node` executable was compiled with `ICU` enabled. If not, the domain names are passed through unchanged.
+     *
+     * ```js
+     * import url from 'url';
+     *
+     * console.log(url.domainToASCII('español.com'));
+     * // Prints xn--espaol-zwa.com
+     * console.log(url.domainToASCII('中文.com'));
+     * // Prints xn--fiq228c.com
+     * console.log(url.domainToASCII('xn--iñvalid.com'));
+     * // Prints an empty string
+     * ```
+     * @since v7.4.0, v6.13.0
+     */
+    function domainToASCII(domain: string): string;
+    /**
+     * Returns the Unicode serialization of the `domain`. If `domain` is an invalid
+     * domain, the empty string is returned.
+     *
+     * It performs the inverse operation to {@link domainToASCII}.
+     *
+     * This feature is only available if the `node` executable was compiled with `ICU` enabled. If not, the domain names are passed through unchanged.
+     *
+     * ```js
+     * import url from 'url';
+     *
+     * console.log(url.domainToUnicode('xn--espaol-zwa.com'));
+     * // Prints español.com
+     * console.log(url.domainToUnicode('xn--fiq228c.com'));
+     * // Prints 中文.com
+     * console.log(url.domainToUnicode('xn--iñvalid.com'));
+     * // Prints an empty string
+     * ```
+     * @since v7.4.0, v6.13.0
+     */
+    function domainToUnicode(domain: string): string;
+    /**
+     * This function ensures the correct decodings of percent-encoded characters as
+     * well as ensuring a cross-platform valid absolute path string.
+     *
+     * ```js
+     * import { fileURLToPath } from 'url';
+     *
+     * const __filename = fileURLToPath(import.meta.url);
+     *
+     * new URL('file:///C:/path/').pathname;      // Incorrect: /C:/path/
+     * fileURLToPath('file:///C:/path/');         // Correct:   C:\path\ (Windows)
+     *
+     * new URL('file://nas/foo.txt').pathname;    // Incorrect: /foo.txt
+     * fileURLToPath('file://nas/foo.txt');       // Correct:   \\nas\foo.txt (Windows)
+     *
+     * new URL('file:///你好.txt').pathname;      // Incorrect: /%E4%BD%A0%E5%A5%BD.txt
+     * fileURLToPath('file:///你好.txt');         // Correct:   /你好.txt (POSIX)
+     *
+     * new URL('file:///hello world').pathname;   // Incorrect: /hello%20world
+     * fileURLToPath('file:///hello world');      // Correct:   /hello world (POSIX)
+     * ```
+     * @since v10.12.0
+     * @param url The file URL string or URL object to convert to a path.
+     * @return The fully-resolved platform-specific Node.js file path.
+     */
+    function fileURLToPath(url: string | URL): string;
+    /**
+     * This function ensures that `path` is resolved absolutely, and that the URL
+     * control characters are correctly encoded when converting into a File URL.
+     *
+     * ```js
+     * import { pathToFileURL } from 'url';
+     *
+     * new URL('/foo#1', 'file:');           // Incorrect: file:///foo#1
+     * pathToFileURL('/foo#1');              // Correct:   file:///foo%231 (POSIX)
+     *
+     * new URL('/some/path%.c', 'file:');    // Incorrect: file:///some/path%.c
+     * pathToFileURL('/some/path%.c');       // Correct:   file:///some/path%25.c (POSIX)
+     * ```
+     * @since v10.12.0
+     * @param path The path to convert to a File URL.
+     * @return The file URL object.
+     */
+    function pathToFileURL(path: string): URL;
+    /**
+     * This utility function converts a URL object into an ordinary options object as
+     * expected by the `http.request()` and `https.request()` APIs.
+     *
+     * ```js
+     * import { urlToHttpOptions } from 'url';
+     * const myURL = new URL('https://a:b@測試?abc#foo');
+     *
+     * console.log(urlToHttpOptions(myURL));
+     * /*
+     * {
+     *   protocol: 'https:',
+     *   hostname: 'xn--g6w251d',
+     *   hash: '#foo',
+     *   search: '?abc',
+     *   pathname: '/',
+     *   path: '/?abc',
+     *   href: 'https://a:b@xn--g6w251d/?abc#foo',
+     *   auth: 'a:b'
+     * }
+     *
+     * ```
+     * @since v15.7.0, v14.18.0
+     * @param url The `WHATWG URL` object to convert to an options object.
+     * @return Options object
+     */
+    function urlToHttpOptions(url: URL): ClientRequestArgs;
+    interface URLFormatOptions {
+        auth?: boolean | undefined;
+        fragment?: boolean | undefined;
+        search?: boolean | undefined;
+        unicode?: boolean | undefined;
+    }
+    /**
+     * Browser-compatible `URL` class, implemented by following the WHATWG URL
+     * Standard. [Examples of parsed URLs](https://url.spec.whatwg.org/#example-url-parsing) may be found in the Standard itself.
+     * The `URL` class is also available on the global object.
+     *
+     * In accordance with browser conventions, all properties of `URL` objects
+     * are implemented as getters and setters on the class prototype, rather than as
+     * data properties on the object itself. Thus, unlike `legacy urlObject` s,
+     * using the `delete` keyword on any properties of `URL` objects (e.g. `delete myURL.protocol`, `delete myURL.pathname`, etc) has no effect but will still
+     * return `true`.
+     * @since v7.0.0, v6.13.0
+     */
+    class URL {
+        /**
+         * Creates a `'blob:nodedata:...'` URL string that represents the given `Blob` object and can be used to retrieve the `Blob` later.
+         *
+         * ```js
+         * const {
+         *   Blob,
+         *   resolveObjectURL,
+         * } = require('buffer');
+         *
+         * const blob = new Blob(['hello']);
+         * const id = URL.createObjectURL(blob);
+         *
+         * // later...
+         *
+         * const otherBlob = resolveObjectURL(id);
+         * console.log(otherBlob.size);
+         * ```
+         *
+         * The data stored by the registered `Blob` will be retained in memory until`URL.revokeObjectURL()` is called to remove it.
+         *
+         * `Blob` objects are registered within the current thread. If using Worker
+         * Threads, `Blob` objects registered within one Worker will not be available
+         * to other workers or the main thread.
+         * @since v16.7.0
+         * @experimental
+         */
+        static createObjectURL(blob: Blob): string;
+        /**
+         * Removes the stored `Blob` identified by the given ID. Attempting to revoke a
+         * ID that isn’t registered will silently fail.
+         * @since v16.7.0
+         * @experimental
+         * @param id A `'blob:nodedata:...` URL string returned by a prior call to `URL.createObjectURL()`.
+         */
+        static revokeObjectURL(objectUrl: string): void;
+        constructor(input: string, base?: string | URL);
+        /**
+         * Gets and sets the fragment portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org/foo#bar');
+         * console.log(myURL.hash);
+         * // Prints #bar
+         *
+         * myURL.hash = 'baz';
+         * console.log(myURL.href);
+         * // Prints https://example.org/foo#baz
+         * ```
+         *
+         * Invalid URL characters included in the value assigned to the `hash` property
+         * are `percent-encoded`. The selection of which characters to
+         * percent-encode may vary somewhat from what the {@link parse} and {@link format} methods would produce.
+         */
+        hash: string;
+        /**
+         * Gets and sets the host portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org:81/foo');
+         * console.log(myURL.host);
+         * // Prints example.org:81
+         *
+         * myURL.host = 'example.com:82';
+         * console.log(myURL.href);
+         * // Prints https://example.com:82/foo
+         * ```
+         *
+         * Invalid host values assigned to the `host` property are ignored.
+         */
+        host: string;
+        /**
+         * Gets and sets the host name portion of the URL. The key difference between`url.host` and `url.hostname` is that `url.hostname` does _not_ include the
+         * port.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org:81/foo');
+         * console.log(myURL.hostname);
+         * // Prints example.org
+         *
+         * // Setting the hostname does not change the port
+         * myURL.hostname = 'example.com:82';
+         * console.log(myURL.href);
+         * // Prints https://example.com:81/foo
+         *
+         * // Use myURL.host to change the hostname and port
+         * myURL.host = 'example.org:82';
+         * console.log(myURL.href);
+         * // Prints https://example.org:82/foo
+         * ```
+         *
+         * Invalid host name values assigned to the `hostname` property are ignored.
+         */
+        hostname: string;
+        /**
+         * Gets and sets the serialized URL.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org/foo');
+         * console.log(myURL.href);
+         * // Prints https://example.org/foo
+         *
+         * myURL.href = 'https://example.com/bar';
+         * console.log(myURL.href);
+         * // Prints https://example.com/bar
+         * ```
+         *
+         * Getting the value of the `href` property is equivalent to calling {@link toString}.
+         *
+         * Setting the value of this property to a new value is equivalent to creating a
+         * new `URL` object using `new URL(value)`. Each of the `URL`object's properties will be modified.
+         *
+         * If the value assigned to the `href` property is not a valid URL, a `TypeError`will be thrown.
+         */
+        href: string;
+        /**
+         * Gets the read-only serialization of the URL's origin.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org/foo/bar?baz');
+         * console.log(myURL.origin);
+         * // Prints https://example.org
+         * ```
+         *
+         * ```js
+         * const idnURL = new URL('https://測試');
+         * console.log(idnURL.origin);
+         * // Prints https://xn--g6w251d
+         *
+         * console.log(idnURL.hostname);
+         * // Prints xn--g6w251d
+         * ```
+         */
+        readonly origin: string;
+        /**
+         * Gets and sets the password portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://abc:xyz@example.com');
+         * console.log(myURL.password);
+         * // Prints xyz
+         *
+         * myURL.password = '123';
+         * console.log(myURL.href);
+         * // Prints https://abc:123@example.com
+         * ```
+         *
+         * Invalid URL characters included in the value assigned to the `password` property
+         * are `percent-encoded`. The selection of which characters to
+         * percent-encode may vary somewhat from what the {@link parse} and {@link format} methods would produce.
+         */
+        password: string;
+        /**
+         * Gets and sets the path portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org/abc/xyz?123');
+         * console.log(myURL.pathname);
+         * // Prints /abc/xyz
+         *
+         * myURL.pathname = '/abcdef';
+         * console.log(myURL.href);
+         * // Prints https://example.org/abcdef?123
+         * ```
+         *
+         * Invalid URL characters included in the value assigned to the `pathname`property are `percent-encoded`. The selection of which characters
+         * to percent-encode may vary somewhat from what the {@link parse} and {@link format} methods would produce.
+         */
+        pathname: string;
+        /**
+         * Gets and sets the port portion of the URL.
+         *
+         * The port value may be a number or a string containing a number in the range`0` to `65535` (inclusive). Setting the value to the default port of the`URL` objects given `protocol` will
+         * result in the `port` value becoming
+         * the empty string (`''`).
+         *
+         * The port value can be an empty string in which case the port depends on
+         * the protocol/scheme:
+         *
+         * <omitted>
+         *
+         * Upon assigning a value to the port, the value will first be converted to a
+         * string using `.toString()`.
+         *
+         * If that string is invalid but it begins with a number, the leading number is
+         * assigned to `port`.
+         * If the number lies outside the range denoted above, it is ignored.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org:8888');
+         * console.log(myURL.port);
+         * // Prints 8888
+         *
+         * // Default ports are automatically transformed to the empty string
+         * // (HTTPS protocol's default port is 443)
+         * myURL.port = '443';
+         * console.log(myURL.port);
+         * // Prints the empty string
+         * console.log(myURL.href);
+         * // Prints https://example.org/
+         *
+         * myURL.port = 1234;
+         * console.log(myURL.port);
+         * // Prints 1234
+         * console.log(myURL.href);
+         * // Prints https://example.org:1234/
+         *
+         * // Completely invalid port strings are ignored
+         * myURL.port = 'abcd';
+         * console.log(myURL.port);
+         * // Prints 1234
+         *
+         * // Leading numbers are treated as a port number
+         * myURL.port = '5678abcd';
+         * console.log(myURL.port);
+         * // Prints 5678
+         *
+         * // Non-integers are truncated
+         * myURL.port = 1234.5678;
+         * console.log(myURL.port);
+         * // Prints 1234
+         *
+         * // Out-of-range numbers which are not represented in scientific notation
+         * // will be ignored.
+         * myURL.port = 1e10; // 10000000000, will be range-checked as described below
+         * console.log(myURL.port);
+         * // Prints 1234
+         * ```
+         *
+         * Numbers which contain a decimal point,
+         * such as floating-point numbers or numbers in scientific notation,
+         * are not an exception to this rule.
+         * Leading numbers up to the decimal point will be set as the URL's port,
+         * assuming they are valid:
+         *
+         * ```js
+         * myURL.port = 4.567e21;
+         * console.log(myURL.port);
+         * // Prints 4 (because it is the leading number in the string '4.567e21')
+         * ```
+         */
+        port: string;
+        /**
+         * Gets and sets the protocol portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org');
+         * console.log(myURL.protocol);
+         * // Prints https:
+         *
+         * myURL.protocol = 'ftp';
+         * console.log(myURL.href);
+         * // Prints ftp://example.org/
+         * ```
+         *
+         * Invalid URL protocol values assigned to the `protocol` property are ignored.
+         */
+        protocol: string;
+        /**
+         * Gets and sets the serialized query portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org/abc?123');
+         * console.log(myURL.search);
+         * // Prints ?123
+         *
+         * myURL.search = 'abc=xyz';
+         * console.log(myURL.href);
+         * // Prints https://example.org/abc?abc=xyz
+         * ```
+         *
+         * Any invalid URL characters appearing in the value assigned the `search`property will be `percent-encoded`. The selection of which
+         * characters to percent-encode may vary somewhat from what the {@link parse} and {@link format} methods would produce.
+         */
+        search: string;
+        /**
+         * Gets the `URLSearchParams` object representing the query parameters of the
+         * URL. This property is read-only but the `URLSearchParams` object it provides
+         * can be used to mutate the URL instance; to replace the entirety of query
+         * parameters of the URL, use the {@link search} setter. See `URLSearchParams` documentation for details.
+         *
+         * Use care when using `.searchParams` to modify the `URL` because,
+         * per the WHATWG specification, the `URLSearchParams` object uses
+         * different rules to determine which characters to percent-encode. For
+         * instance, the `URL` object will not percent encode the ASCII tilde (`~`)
+         * character, while `URLSearchParams` will always encode it:
+         *
+         * ```js
+         * const myUrl = new URL('https://example.org/abc?foo=~bar');
+         *
+         * console.log(myUrl.search);  // prints ?foo=~bar
+         *
+         * // Modify the URL via searchParams...
+         * myUrl.searchParams.sort();
+         *
+         * console.log(myUrl.search);  // prints ?foo=%7Ebar
+         * ```
+         */
+        readonly searchParams: URLSearchParams;
+        /**
+         * Gets and sets the username portion of the URL.
+         *
+         * ```js
+         * const myURL = new URL('https://abc:xyz@example.com');
+         * console.log(myURL.username);
+         * // Prints abc
+         *
+         * myURL.username = '123';
+         * console.log(myURL.href);
+         * // Prints https://123:xyz@example.com/
+         * ```
+         *
+         * Any invalid URL characters appearing in the value assigned the `username`property will be `percent-encoded`. The selection of which
+         * characters to percent-encode may vary somewhat from what the {@link parse} and {@link format} methods would produce.
+         */
+        username: string;
+        /**
+         * The `toString()` method on the `URL` object returns the serialized URL. The
+         * value returned is equivalent to that of {@link href} and {@link toJSON}.
+         */
+        toString(): string;
+        /**
+         * The `toJSON()` method on the `URL` object returns the serialized URL. The
+         * value returned is equivalent to that of {@link href} and {@link toString}.
+         *
+         * This method is automatically called when an `URL` object is serialized
+         * with [`JSON.stringify()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify).
+         *
+         * ```js
+         * const myURLs = [
+         *   new URL('https://www.example.com'),
+         *   new URL('https://test.example.org'),
+         * ];
+         * console.log(JSON.stringify(myURLs));
+         * // Prints ["https://www.example.com/","https://test.example.org/"]
+         * ```
+         */
+        toJSON(): string;
+    }
+    /**
+     * The `URLSearchParams` API provides read and write access to the query of a`URL`. The `URLSearchParams` class can also be used standalone with one of the
+     * four following constructors.
+     * The `URLSearchParams` class is also available on the global object.
+     *
+     * The WHATWG `URLSearchParams` interface and the `querystring` module have
+     * similar purpose, but the purpose of the `querystring` module is more
+     * general, as it allows the customization of delimiter characters (`&#x26;` and `=`).
+     * On the other hand, this API is designed purely for URL query strings.
+     *
+     * ```js
+     * const myURL = new URL('https://example.org/?abc=123');
+     * console.log(myURL.searchParams.get('abc'));
+     * // Prints 123
+     *
+     * myURL.searchParams.append('abc', 'xyz');
+     * console.log(myURL.href);
+     * // Prints https://example.org/?abc=123&#x26;abc=xyz
+     *
+     * myURL.searchParams.delete('abc');
+     * myURL.searchParams.set('a', 'b');
+     * console.log(myURL.href);
+     * // Prints https://example.org/?a=b
+     *
+     * const newSearchParams = new URLSearchParams(myURL.searchParams);
+     * // The above is equivalent to
+     * // const newSearchParams = new URLSearchParams(myURL.search);
+     *
+     * newSearchParams.append('a', 'c');
+     * console.log(myURL.href);
+     * // Prints https://example.org/?a=b
+     * console.log(newSearchParams.toString());
+     * // Prints a=b&#x26;a=c
+     *
+     * // newSearchParams.toString() is implicitly called
+     * myURL.search = newSearchParams;
+     * console.log(myURL.href);
+     * // Prints https://example.org/?a=b&#x26;a=c
+     * newSearchParams.delete('a');
+     * console.log(myURL.href);
+     * // Prints https://example.org/?a=b&#x26;a=c
+     * ```
+     * @since v7.5.0, v6.13.0
+     */
+    class URLSearchParams implements Iterable<[string, string]> {
+        constructor(init?: URLSearchParams | string | Record<string, string | ReadonlyArray<string>> | Iterable<[string, string]> | ReadonlyArray<[string, string]>);
+        /**
+         * Append a new name-value pair to the query string.
+         */
+        append(name: string, value: string): void;
+        /**
+         * Remove all name-value pairs whose name is `name`.
+         */
+        delete(name: string): void;
+        /**
+         * Returns an ES6 `Iterator` over each of the name-value pairs in the query.
+         * Each item of the iterator is a JavaScript `Array`. The first item of the `Array`is the `name`, the second item of the `Array` is the `value`.
+         *
+         * Alias for `urlSearchParams[@@iterator]()`.
+         */
+        entries(): IterableIterator<[string, string]>;
+        /**
+         * Iterates over each name-value pair in the query and invokes the given function.
+         *
+         * ```js
+         * const myURL = new URL('https://example.org/?a=b&#x26;c=d');
+         * myURL.searchParams.forEach((value, name, searchParams) => {
+         *   console.log(name, value, myURL.searchParams === searchParams);
+         * });
+         * // Prints:
+         * //   a b true
+         * //   c d true
+         * ```
+         * @param fn Invoked for each name-value pair in the query
+         * @param thisArg To be used as `this` value for when `fn` is called
+         */
+        forEach<TThis = this>(callback: (this: TThis, value: string, name: string, searchParams: URLSearchParams) => void, thisArg?: TThis): void;
+        /**
+         * Returns the value of the first name-value pair whose name is `name`. If there
+         * are no such pairs, `null` is returned.
+         * @return or `null` if there is no name-value pair with the given `name`.
+         */
+        get(name: string): string | null;
+        /**
+         * Returns the values of all name-value pairs whose name is `name`. If there are
+         * no such pairs, an empty array is returned.
+         */
+        getAll(name: string): string[];
+        /**
+         * Returns `true` if there is at least one name-value pair whose name is `name`.
+         */
+        has(name: string): boolean;
+        /**
+         * Returns an ES6 `Iterator` over the names of each name-value pair.
+         *
+         * ```js
+         * const params = new URLSearchParams('foo=bar&#x26;foo=baz');
+         * for (const name of params.keys()) {
+         *   console.log(name);
+         * }
+         * // Prints:
+         * //   foo
+         * //   foo
+         * ```
+         */
+        keys(): IterableIterator<string>;
+        /**
+         * Sets the value in the `URLSearchParams` object associated with `name` to`value`. If there are any pre-existing name-value pairs whose names are `name`,
+         * set the first such pair's value to `value` and remove all others. If not,
+         * append the name-value pair to the query string.
+         *
+         * ```js
+         * const params = new URLSearchParams();
+         * params.append('foo', 'bar');
+         * params.append('foo', 'baz');
+         * params.append('abc', 'def');
+         * console.log(params.toString());
+         * // Prints foo=bar&#x26;foo=baz&#x26;abc=def
+         *
+         * params.set('foo', 'def');
+         * params.set('xyz', 'opq');
+         * console.log(params.toString());
+         * // Prints foo=def&#x26;abc=def&#x26;xyz=opq
+         * ```
+         */
+        set(name: string, value: string): void;
+        /**
+         * Sort all existing name-value pairs in-place by their names. Sorting is done
+         * with a [stable sorting algorithm](https://en.wikipedia.org/wiki/Sorting_algorithm#Stability), so relative order between name-value pairs
+         * with the same name is preserved.
+         *
+         * This method can be used, in particular, to increase cache hits.
+         *
+         * ```js
+         * const params = new URLSearchParams('query[]=abc&#x26;type=search&#x26;query[]=123');
+         * params.sort();
+         * console.log(params.toString());
+         * // Prints query%5B%5D=abc&#x26;query%5B%5D=123&#x26;type=search
+         * ```
+         * @since v7.7.0, v6.13.0
+         */
+        sort(): void;
+        /**
+         * Returns the search parameters serialized as a string, with characters
+         * percent-encoded where necessary.
+         */
+        toString(): string;
+        /**
+         * Returns an ES6 `Iterator` over the values of each name-value pair.
+         */
+        values(): IterableIterator<string>;
+        [Symbol.iterator](): IterableIterator<[string, string]>;
+    }
+    import { URL as _URL, URLSearchParams as _URLSearchParams } from 'url';
+    global {
+        interface URLSearchParams extends _URLSearchParams {}
+        interface URL extends _URL {}
+        interface Global {
+            URL: typeof _URL;
+            URLSearchParams: typeof _URLSearchParams;
+        }
+        /**
+         * `URL` class is a global reference for `require('url').URL`
+         * https://nodejs.org/api/url.html#the-whatwg-url-api
+         * @since v10.0.0
+         */
+        var URL: typeof globalThis extends {
+            onmessage: any;
+            URL: infer URL;
+        }
+            ? URL
+            : typeof _URL;
+        /**
+         * `URLSearchParams` class is a global reference for `require('url').URLSearchParams`
+         * https://nodejs.org/api/url.html#class-urlsearchparams
+         * @since v10.0.0
+         */
+        var URLSearchParams: typeof globalThis extends {
+            onmessage: any;
+            URLSearchParams: infer URLSearchParams;
+        }
+            ? URLSearchParams
+            : typeof _URLSearchParams;
+    }
+}
+declare module 'node:url' {
+    export * from 'url';
+}
diff --git a/node_modules/@types/node/util.d.ts b/node_modules/@types/node/util.d.ts
new file mode 100644
index 000000000..a08132568
--- /dev/null
+++ b/node_modules/@types/node/util.d.ts
@@ -0,0 +1,1792 @@
+/**
+ * The `util` module supports the needs of Node.js internal APIs. Many of the
+ * utilities are useful for application and module developers as well. To access
+ * it:
+ *
+ * ```js
+ * const util = require('util');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/util.js)
+ */
+declare module 'util' {
+    import * as types from 'node:util/types';
+    export interface InspectOptions {
+        /**
+         * If set to `true`, getters are going to be
+         * inspected as well. If set to `'get'` only getters without setter are going
+         * to be inspected. If set to `'set'` only getters having a corresponding
+         * setter are going to be inspected. This might cause side effects depending on
+         * the getter function.
+         * @default `false`
+         */
+        getters?: 'get' | 'set' | boolean | undefined;
+        showHidden?: boolean | undefined;
+        /**
+         * @default 2
+         */
+        depth?: number | null | undefined;
+        colors?: boolean | undefined;
+        customInspect?: boolean | undefined;
+        showProxy?: boolean | undefined;
+        maxArrayLength?: number | null | undefined;
+        /**
+         * Specifies the maximum number of characters to
+         * include when formatting. Set to `null` or `Infinity` to show all elements.
+         * Set to `0` or negative to show no characters.
+         * @default 10000
+         */
+        maxStringLength?: number | null | undefined;
+        breakLength?: number | undefined;
+        /**
+         * Setting this to `false` causes each object key
+         * to be displayed on a new line. It will also add new lines to text that is
+         * longer than `breakLength`. If set to a number, the most `n` inner elements
+         * are united on a single line as long as all properties fit into
+         * `breakLength`. Short array elements are also grouped together. Note that no
+         * text will be reduced below 16 characters, no matter the `breakLength` size.
+         * For more information, see the example below.
+         * @default `true`
+         */
+        compact?: boolean | number | undefined;
+        sorted?: boolean | ((a: string, b: string) => number) | undefined;
+    }
+    export type Style = 'special' | 'number' | 'bigint' | 'boolean' | 'undefined' | 'null' | 'string' | 'symbol' | 'date' | 'regexp' | 'module';
+    export type CustomInspectFunction = (depth: number, options: InspectOptionsStylized) => string;
+    export interface InspectOptionsStylized extends InspectOptions {
+        stylize(text: string, styleType: Style): string;
+    }
+    /**
+     * The `util.format()` method returns a formatted string using the first argument
+     * as a `printf`\-like format string which can contain zero or more format
+     * specifiers. Each specifier is replaced with the converted value from the
+     * corresponding argument. Supported specifiers are:
+     *
+     * If a specifier does not have a corresponding argument, it is not replaced:
+     *
+     * ```js
+     * util.format('%s:%s', 'foo');
+     * // Returns: 'foo:%s'
+     * ```
+     *
+     * Values that are not part of the format string are formatted using`util.inspect()` if their type is not `string`.
+     *
+     * If there are more arguments passed to the `util.format()` method than the
+     * number of specifiers, the extra arguments are concatenated to the returned
+     * string, separated by spaces:
+     *
+     * ```js
+     * util.format('%s:%s', 'foo', 'bar', 'baz');
+     * // Returns: 'foo:bar baz'
+     * ```
+     *
+     * If the first argument does not contain a valid format specifier, `util.format()`returns a string that is the concatenation of all arguments separated by spaces:
+     *
+     * ```js
+     * util.format(1, 2, 3);
+     * // Returns: '1 2 3'
+     * ```
+     *
+     * If only one argument is passed to `util.format()`, it is returned as it is
+     * without any formatting:
+     *
+     * ```js
+     * util.format('%% %s');
+     * // Returns: '%% %s'
+     * ```
+     *
+     * `util.format()` is a synchronous method that is intended as a debugging tool.
+     * Some input values can have a significant performance overhead that can block the
+     * event loop. Use this function with care and never in a hot code path.
+     * @since v0.5.3
+     * @param format A `printf`-like format string.
+     */
+    export function format(format?: any, ...param: any[]): string;
+    /**
+     * This function is identical to {@link format}, except in that it takes
+     * an `inspectOptions` argument which specifies options that are passed along to {@link inspect}.
+     *
+     * ```js
+     * util.formatWithOptions({ colors: true }, 'See object %O', { foo: 42 });
+     * // Returns 'See object { foo: 42 }', where `42` is colored as a number
+     * // when printed to a terminal.
+     * ```
+     * @since v10.0.0
+     */
+    export function formatWithOptions(inspectOptions: InspectOptions, format?: any, ...param: any[]): string;
+    /**
+     * Returns the string name for a numeric error code that comes from a Node.js API.
+     * The mapping between error codes and error names is platform-dependent.
+     * See `Common System Errors` for the names of common errors.
+     *
+     * ```js
+     * fs.access('file/that/does/not/exist', (err) => {
+     *   const name = util.getSystemErrorName(err.errno);
+     *   console.error(name);  // ENOENT
+     * });
+     * ```
+     * @since v9.7.0
+     */
+    export function getSystemErrorName(err: number): string;
+    /**
+     * Returns a Map of all system error codes available from the Node.js API.
+     * The mapping between error codes and error names is platform-dependent.
+     * See `Common System Errors` for the names of common errors.
+     *
+     * ```js
+     * fs.access('file/that/does/not/exist', (err) => {
+     *   const errorMap = util.getSystemErrorMap();
+     *   const name = errorMap.get(err.errno);
+     *   console.error(name);  // ENOENT
+     * });
+     * ```
+     * @since v16.0.0, v14.17.0
+     */
+    export function getSystemErrorMap(): Map<number, [string, string]>;
+    /**
+     * The `util.log()` method prints the given `string` to `stdout` with an included
+     * timestamp.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.log('Timestamped message.');
+     * ```
+     * @since v0.3.0
+     * @deprecated Since v6.0.0 - Use a third party module instead.
+     */
+    export function log(string: string): void;
+    /**
+     * Returns the `string` after replacing any surrogate code points
+     * (or equivalently, any unpaired surrogate code units) with the
+     * Unicode "replacement character" U+FFFD.
+     * @since v16.8.0, v14.18.0
+     */
+    export function toUSVString(string: string): string;
+    /**
+     * The `util.inspect()` method returns a string representation of `object` that is
+     * intended for debugging. The output of `util.inspect` may change at any time
+     * and should not be depended upon programmatically. Additional `options` may be
+     * passed that alter the result.`util.inspect()` will use the constructor's name and/or `@@toStringTag` to make
+     * an identifiable tag for an inspected value.
+     *
+     * ```js
+     * class Foo {
+     *   get [Symbol.toStringTag]() {
+     *     return 'bar';
+     *   }
+     * }
+     *
+     * class Bar {}
+     *
+     * const baz = Object.create(null, { [Symbol.toStringTag]: { value: 'foo' } });
+     *
+     * util.inspect(new Foo()); // 'Foo [bar] {}'
+     * util.inspect(new Bar()); // 'Bar {}'
+     * util.inspect(baz);       // '[foo] {}'
+     * ```
+     *
+     * Circular references point to their anchor by using a reference index:
+     *
+     * ```js
+     * const { inspect } = require('util');
+     *
+     * const obj = {};
+     * obj.a = [obj];
+     * obj.b = {};
+     * obj.b.inner = obj.b;
+     * obj.b.obj = obj;
+     *
+     * console.log(inspect(obj));
+     * // <ref *1> {
+     * //   a: [ [Circular *1] ],
+     * //   b: <ref *2> { inner: [Circular *2], obj: [Circular *1] }
+     * // }
+     * ```
+     *
+     * The following example inspects all properties of the `util` object:
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * console.log(util.inspect(util, { showHidden: true, depth: null }));
+     * ```
+     *
+     * The following example highlights the effect of the `compact` option:
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * const o = {
+     *   a: [1, 2, [[
+     *     'Lorem ipsum dolor sit amet,\nconsectetur adipiscing elit, sed do ' +
+     *       'eiusmod \ntempor incididunt ut labore et dolore magna aliqua.',
+     *     'test',
+     *     'foo']], 4],
+     *   b: new Map([['za', 1], ['zb', 'test']])
+     * };
+     * console.log(util.inspect(o, { compact: true, depth: 5, breakLength: 80 }));
+     *
+     * // { a:
+     * //   [ 1,
+     * //     2,
+     * //     [ [ 'Lorem ipsum dolor sit amet,\nconsectetur [...]', // A long line
+     * //           'test',
+     * //           'foo' ] ],
+     * //     4 ],
+     * //   b: Map(2) { 'za' => 1, 'zb' => 'test' } }
+     *
+     * // Setting `compact` to false or an integer creates more reader friendly output.
+     * console.log(util.inspect(o, { compact: false, depth: 5, breakLength: 80 }));
+     *
+     * // {
+     * //   a: [
+     * //     1,
+     * //     2,
+     * //     [
+     * //       [
+     * //         'Lorem ipsum dolor sit amet,\n' +
+     * //           'consectetur adipiscing elit, sed do eiusmod \n' +
+     * //           'tempor incididunt ut labore et dolore magna aliqua.',
+     * //         'test',
+     * //         'foo'
+     * //       ]
+     * //     ],
+     * //     4
+     * //   ],
+     * //   b: Map(2) {
+     * //     'za' => 1,
+     * //     'zb' => 'test'
+     * //   }
+     * // }
+     *
+     * // Setting `breakLength` to e.g. 150 will print the "Lorem ipsum" text in a
+     * // single line.
+     * ```
+     *
+     * The `showHidden` option allows [`WeakMap`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap) and
+     * [`WeakSet`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet) entries to be
+     * inspected. If there are more entries than `maxArrayLength`, there is no
+     * guarantee which entries are displayed. That means retrieving the same [`WeakSet`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet) entries twice may
+     * result in different output. Furthermore, entries
+     * with no remaining strong references may be garbage collected at any time.
+     *
+     * ```js
+     * const { inspect } = require('util');
+     *
+     * const obj = { a: 1 };
+     * const obj2 = { b: 2 };
+     * const weakSet = new WeakSet([obj, obj2]);
+     *
+     * console.log(inspect(weakSet, { showHidden: true }));
+     * // WeakSet { { a: 1 }, { b: 2 } }
+     * ```
+     *
+     * The `sorted` option ensures that an object's property insertion order does not
+     * impact the result of `util.inspect()`.
+     *
+     * ```js
+     * const { inspect } = require('util');
+     * const assert = require('assert');
+     *
+     * const o1 = {
+     *   b: [2, 3, 1],
+     *   a: '`a` comes before `b`',
+     *   c: new Set([2, 3, 1])
+     * };
+     * console.log(inspect(o1, { sorted: true }));
+     * // { a: '`a` comes before `b`', b: [ 2, 3, 1 ], c: Set(3) { 1, 2, 3 } }
+     * console.log(inspect(o1, { sorted: (a, b) => b.localeCompare(a) }));
+     * // { c: Set(3) { 3, 2, 1 }, b: [ 2, 3, 1 ], a: '`a` comes before `b`' }
+     *
+     * const o2 = {
+     *   c: new Set([2, 1, 3]),
+     *   a: '`a` comes before `b`',
+     *   b: [2, 3, 1]
+     * };
+     * assert.strict.equal(
+     *   inspect(o1, { sorted: true }),
+     *   inspect(o2, { sorted: true })
+     * );
+     * ```
+     *
+     * The `numericSeparator` option adds an underscore every three digits to all
+     * numbers.
+     *
+     * ```js
+     * const { inspect } = require('util');
+     *
+     * const thousand = 1_000;
+     * const million = 1_000_000;
+     * const bigNumber = 123_456_789n;
+     * const bigDecimal = 1_234.123_45;
+     *
+     * console.log(thousand, million, bigNumber, bigDecimal);
+     * // 1_000 1_000_000 123_456_789n 1_234.123_45
+     * ```
+     *
+     * `util.inspect()` is a synchronous method intended for debugging. Its maximum
+     * output length is approximately 128 MB. Inputs that result in longer output will
+     * be truncated.
+     * @since v0.3.0
+     * @param object Any JavaScript primitive or `Object`.
+     * @return The representation of `object`.
+     */
+    export function inspect(object: any, showHidden?: boolean, depth?: number | null, color?: boolean): string;
+    export function inspect(object: any, options?: InspectOptions): string;
+    export namespace inspect {
+        let colors: NodeJS.Dict<[number, number]>;
+        let styles: {
+            [K in Style]: string;
+        };
+        let defaultOptions: InspectOptions;
+        /**
+         * Allows changing inspect settings from the repl.
+         */
+        let replDefaults: InspectOptions;
+        /**
+         * That can be used to declare custom inspect functions.
+         */
+        const custom: unique symbol;
+    }
+    /**
+     * Alias for [`Array.isArray()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray).
+     *
+     * Returns `true` if the given `object` is an `Array`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isArray([]);
+     * // Returns: true
+     * util.isArray(new Array());
+     * // Returns: true
+     * util.isArray({});
+     * // Returns: false
+     * ```
+     * @since v0.6.0
+     * @deprecated Since v4.0.0 - Use `isArray` instead.
+     */
+    export function isArray(object: unknown): object is unknown[];
+    /**
+     * Returns `true` if the given `object` is a `RegExp`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isRegExp(/some regexp/);
+     * // Returns: true
+     * util.isRegExp(new RegExp('another regexp'));
+     * // Returns: true
+     * util.isRegExp({});
+     * // Returns: false
+     * ```
+     * @since v0.6.0
+     * @deprecated Since v4.0.0 - Deprecated
+     */
+    export function isRegExp(object: unknown): object is RegExp;
+    /**
+     * Returns `true` if the given `object` is a `Date`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isDate(new Date());
+     * // Returns: true
+     * util.isDate(Date());
+     * // false (without 'new' returns a String)
+     * util.isDate({});
+     * // Returns: false
+     * ```
+     * @since v0.6.0
+     * @deprecated Since v4.0.0 - Use {@link types.isDate} instead.
+     */
+    export function isDate(object: unknown): object is Date;
+    /**
+     * Returns `true` if the given `object` is an `Error`. Otherwise, returns`false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isError(new Error());
+     * // Returns: true
+     * util.isError(new TypeError());
+     * // Returns: true
+     * util.isError({ name: 'Error', message: 'an error occurred' });
+     * // Returns: false
+     * ```
+     *
+     * This method relies on `Object.prototype.toString()` behavior. It is
+     * possible to obtain an incorrect result when the `object` argument manipulates`@@toStringTag`.
+     *
+     * ```js
+     * const util = require('util');
+     * const obj = { name: 'Error', message: 'an error occurred' };
+     *
+     * util.isError(obj);
+     * // Returns: false
+     * obj[Symbol.toStringTag] = 'Error';
+     * util.isError(obj);
+     * // Returns: true
+     * ```
+     * @since v0.6.0
+     * @deprecated Since v4.0.0 - Use {@link types.isNativeError} instead.
+     */
+    export function isError(object: unknown): object is Error;
+    /**
+     * Usage of `util.inherits()` is discouraged. Please use the ES6 `class` and`extends` keywords to get language level inheritance support. Also note
+     * that the two styles are [semantically incompatible](https://github.com/nodejs/node/issues/4179).
+     *
+     * Inherit the prototype methods from one [constructor](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/constructor) into another. The
+     * prototype of `constructor` will be set to a new object created from`superConstructor`.
+     *
+     * This mainly adds some input validation on top of`Object.setPrototypeOf(constructor.prototype, superConstructor.prototype)`.
+     * As an additional convenience, `superConstructor` will be accessible
+     * through the `constructor.super_` property.
+     *
+     * ```js
+     * const util = require('util');
+     * const EventEmitter = require('events');
+     *
+     * function MyStream() {
+     *   EventEmitter.call(this);
+     * }
+     *
+     * util.inherits(MyStream, EventEmitter);
+     *
+     * MyStream.prototype.write = function(data) {
+     *   this.emit('data', data);
+     * };
+     *
+     * const stream = new MyStream();
+     *
+     * console.log(stream instanceof EventEmitter); // true
+     * console.log(MyStream.super_ === EventEmitter); // true
+     *
+     * stream.on('data', (data) => {
+     *   console.log(`Received data: "${data}"`);
+     * });
+     * stream.write('It works!'); // Received data: "It works!"
+     * ```
+     *
+     * ES6 example using `class` and `extends`:
+     *
+     * ```js
+     * const EventEmitter = require('events');
+     *
+     * class MyStream extends EventEmitter {
+     *   write(data) {
+     *     this.emit('data', data);
+     *   }
+     * }
+     *
+     * const stream = new MyStream();
+     *
+     * stream.on('data', (data) => {
+     *   console.log(`Received data: "${data}"`);
+     * });
+     * stream.write('With ES6');
+     * ```
+     * @since v0.3.0
+     * @deprecated Legacy: Use ES2015 class syntax and `extends` keyword instead.
+     */
+    export function inherits(constructor: unknown, superConstructor: unknown): void;
+    export type DebugLoggerFunction = (msg: string, ...param: unknown[]) => void;
+    export interface DebugLogger extends DebugLoggerFunction {
+        enabled: boolean;
+    }
+    /**
+     * The `util.debuglog()` method is used to create a function that conditionally
+     * writes debug messages to `stderr` based on the existence of the `NODE_DEBUG`environment variable. If the `section` name appears within the value of that
+     * environment variable, then the returned function operates similar to `console.error()`. If not, then the returned function is a no-op.
+     *
+     * ```js
+     * const util = require('util');
+     * const debuglog = util.debuglog('foo');
+     *
+     * debuglog('hello from foo [%d]', 123);
+     * ```
+     *
+     * If this program is run with `NODE_DEBUG=foo` in the environment, then
+     * it will output something like:
+     *
+     * ```console
+     * FOO 3245: hello from foo [123]
+     * ```
+     *
+     * where `3245` is the process id. If it is not run with that
+     * environment variable set, then it will not print anything.
+     *
+     * The `section` supports wildcard also:
+     *
+     * ```js
+     * const util = require('util');
+     * const debuglog = util.debuglog('foo-bar');
+     *
+     * debuglog('hi there, it\'s foo-bar [%d]', 2333);
+     * ```
+     *
+     * if it is run with `NODE_DEBUG=foo*` in the environment, then it will output
+     * something like:
+     *
+     * ```console
+     * FOO-BAR 3257: hi there, it's foo-bar [2333]
+     * ```
+     *
+     * Multiple comma-separated `section` names may be specified in the `NODE_DEBUG`environment variable: `NODE_DEBUG=fs,net,tls`.
+     *
+     * The optional `callback` argument can be used to replace the logging function
+     * with a different function that doesn't have any initialization or
+     * unnecessary wrapping.
+     *
+     * ```js
+     * const util = require('util');
+     * let debuglog = util.debuglog('internals', (debug) => {
+     *   // Replace with a logging function that optimizes out
+     *   // testing if the section is enabled
+     *   debuglog = debug;
+     * });
+     * ```
+     * @since v0.11.3
+     * @param section A string identifying the portion of the application for which the `debuglog` function is being created.
+     * @param callback A callback invoked the first time the logging function is called with a function argument that is a more optimized logging function.
+     * @return The logging function
+     */
+    export function debuglog(section: string, callback?: (fn: DebugLoggerFunction) => void): DebugLogger;
+    export const debug: typeof debuglog;
+    /**
+     * Returns `true` if the given `object` is a `Boolean`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isBoolean(1);
+     * // Returns: false
+     * util.isBoolean(0);
+     * // Returns: false
+     * util.isBoolean(false);
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `typeof value === 'boolean'` instead.
+     */
+    export function isBoolean(object: unknown): object is boolean;
+    /**
+     * Returns `true` if the given `object` is a `Buffer`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isBuffer({ length: 0 });
+     * // Returns: false
+     * util.isBuffer([]);
+     * // Returns: false
+     * util.isBuffer(Buffer.from('hello world'));
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `isBuffer` instead.
+     */
+    export function isBuffer(object: unknown): object is Buffer;
+    /**
+     * Returns `true` if the given `object` is a `Function`. Otherwise, returns`false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * function Foo() {}
+     * const Bar = () => {};
+     *
+     * util.isFunction({});
+     * // Returns: false
+     * util.isFunction(Foo);
+     * // Returns: true
+     * util.isFunction(Bar);
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `typeof value === 'function'` instead.
+     */
+    export function isFunction(object: unknown): boolean;
+    /**
+     * Returns `true` if the given `object` is strictly `null`. Otherwise, returns`false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isNull(0);
+     * // Returns: false
+     * util.isNull(undefined);
+     * // Returns: false
+     * util.isNull(null);
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `value === null` instead.
+     */
+    export function isNull(object: unknown): object is null;
+    /**
+     * Returns `true` if the given `object` is `null` or `undefined`. Otherwise,
+     * returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isNullOrUndefined(0);
+     * // Returns: false
+     * util.isNullOrUndefined(undefined);
+     * // Returns: true
+     * util.isNullOrUndefined(null);
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `value === undefined || value === null` instead.
+     */
+    export function isNullOrUndefined(object: unknown): object is null | undefined;
+    /**
+     * Returns `true` if the given `object` is a `Number`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isNumber(false);
+     * // Returns: false
+     * util.isNumber(Infinity);
+     * // Returns: true
+     * util.isNumber(0);
+     * // Returns: true
+     * util.isNumber(NaN);
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `typeof value === 'number'` instead.
+     */
+    export function isNumber(object: unknown): object is number;
+    /**
+     * Returns `true` if the given `object` is strictly an `Object`**and** not a`Function` (even though functions are objects in JavaScript).
+     * Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isObject(5);
+     * // Returns: false
+     * util.isObject(null);
+     * // Returns: false
+     * util.isObject({});
+     * // Returns: true
+     * util.isObject(() => {});
+     * // Returns: false
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Deprecated: Use `value !== null && typeof value === 'object'` instead.
+     */
+    export function isObject(object: unknown): boolean;
+    /**
+     * Returns `true` if the given `object` is a primitive type. Otherwise, returns`false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isPrimitive(5);
+     * // Returns: true
+     * util.isPrimitive('foo');
+     * // Returns: true
+     * util.isPrimitive(false);
+     * // Returns: true
+     * util.isPrimitive(null);
+     * // Returns: true
+     * util.isPrimitive(undefined);
+     * // Returns: true
+     * util.isPrimitive({});
+     * // Returns: false
+     * util.isPrimitive(() => {});
+     * // Returns: false
+     * util.isPrimitive(/^$/);
+     * // Returns: false
+     * util.isPrimitive(new Date());
+     * // Returns: false
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `(typeof value !== 'object' && typeof value !== 'function') || value === null` instead.
+     */
+    export function isPrimitive(object: unknown): boolean;
+    /**
+     * Returns `true` if the given `object` is a `string`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isString('');
+     * // Returns: true
+     * util.isString('foo');
+     * // Returns: true
+     * util.isString(String('foo'));
+     * // Returns: true
+     * util.isString(5);
+     * // Returns: false
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `typeof value === 'string'` instead.
+     */
+    export function isString(object: unknown): object is string;
+    /**
+     * Returns `true` if the given `object` is a `Symbol`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * util.isSymbol(5);
+     * // Returns: false
+     * util.isSymbol('foo');
+     * // Returns: false
+     * util.isSymbol(Symbol('foo'));
+     * // Returns: true
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `typeof value === 'symbol'` instead.
+     */
+    export function isSymbol(object: unknown): object is symbol;
+    /**
+     * Returns `true` if the given `object` is `undefined`. Otherwise, returns `false`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * const foo = undefined;
+     * util.isUndefined(5);
+     * // Returns: false
+     * util.isUndefined(foo);
+     * // Returns: true
+     * util.isUndefined(null);
+     * // Returns: false
+     * ```
+     * @since v0.11.5
+     * @deprecated Since v4.0.0 - Use `value === undefined` instead.
+     */
+    export function isUndefined(object: unknown): object is undefined;
+    /**
+     * The `util.deprecate()` method wraps `fn` (which may be a function or class) in
+     * such a way that it is marked as deprecated.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * exports.obsoleteFunction = util.deprecate(() => {
+     *   // Do something here.
+     * }, 'obsoleteFunction() is deprecated. Use newShinyFunction() instead.');
+     * ```
+     *
+     * When called, `util.deprecate()` will return a function that will emit a`DeprecationWarning` using the `'warning'` event. The warning will
+     * be emitted and printed to `stderr` the first time the returned function is
+     * called. After the warning is emitted, the wrapped function is called without
+     * emitting a warning.
+     *
+     * If the same optional `code` is supplied in multiple calls to `util.deprecate()`,
+     * the warning will be emitted only once for that `code`.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * const fn1 = util.deprecate(someFunction, someMessage, 'DEP0001');
+     * const fn2 = util.deprecate(someOtherFunction, someOtherMessage, 'DEP0001');
+     * fn1(); // Emits a deprecation warning with code DEP0001
+     * fn2(); // Does not emit a deprecation warning because it has the same code
+     * ```
+     *
+     * If either the `--no-deprecation` or `--no-warnings` command-line flags are
+     * used, or if the `process.noDeprecation` property is set to `true`_prior_ to
+     * the first deprecation warning, the `util.deprecate()` method does nothing.
+     *
+     * If the `--trace-deprecation` or `--trace-warnings` command-line flags are set,
+     * or the `process.traceDeprecation` property is set to `true`, a warning and a
+     * stack trace are printed to `stderr` the first time the deprecated function is
+     * called.
+     *
+     * If the `--throw-deprecation` command-line flag is set, or the`process.throwDeprecation` property is set to `true`, then an exception will be
+     * thrown when the deprecated function is called.
+     *
+     * The `--throw-deprecation` command-line flag and `process.throwDeprecation`property take precedence over `--trace-deprecation` and`process.traceDeprecation`.
+     * @since v0.8.0
+     * @param fn The function that is being deprecated.
+     * @param msg A warning message to display when the deprecated function is invoked.
+     * @param code A deprecation code. See the `list of deprecated APIs` for a list of codes.
+     * @return The deprecated function wrapped to emit a warning.
+     */
+    export function deprecate<T extends Function>(fn: T, msg: string, code?: string): T;
+    /**
+     * Returns `true` if there is deep strict equality between `val1` and `val2`.
+     * Otherwise, returns `false`.
+     *
+     * See `assert.deepStrictEqual()` for more information about deep strict
+     * equality.
+     * @since v9.0.0
+     */
+    export function isDeepStrictEqual(val1: unknown, val2: unknown): boolean;
+    /**
+     * Returns `str` with any ANSI escape codes removed.
+     *
+     * ```js
+     * console.log(util.stripVTControlCharacters('\u001B[4mvalue\u001B[0m'));
+     * // Prints "value"
+     * ```
+     * @since v16.11.0
+     */
+    export function stripVTControlCharacters(str: string): string;
+    /**
+     * Takes an `async` function (or a function that returns a `Promise`) and returns a
+     * function following the error-first callback style, i.e. taking
+     * an `(err, value) => ...` callback as the last argument. In the callback, the
+     * first argument will be the rejection reason (or `null` if the `Promise`resolved), and the second argument will be the resolved value.
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * async function fn() {
+     *   return 'hello world';
+     * }
+     * const callbackFunction = util.callbackify(fn);
+     *
+     * callbackFunction((err, ret) => {
+     *   if (err) throw err;
+     *   console.log(ret);
+     * });
+     * ```
+     *
+     * Will print:
+     *
+     * ```text
+     * hello world
+     * ```
+     *
+     * The callback is executed asynchronously, and will have a limited stack trace.
+     * If the callback throws, the process will emit an `'uncaughtException'` event, and if not handled will exit.
+     *
+     * Since `null` has a special meaning as the first argument to a callback, if a
+     * wrapped function rejects a `Promise` with a falsy value as a reason, the value
+     * is wrapped in an `Error` with the original value stored in a field named`reason`.
+     *
+     * ```js
+     * function fn() {
+     *   return Promise.reject(null);
+     * }
+     * const callbackFunction = util.callbackify(fn);
+     *
+     * callbackFunction((err, ret) => {
+     *   // When the Promise was rejected with `null` it is wrapped with an Error and
+     *   // the original value is stored in `reason`.
+     *   err &#x26;&#x26; Object.hasOwn(err, 'reason') &#x26;&#x26; err.reason === null;  // true
+     * });
+     * ```
+     * @since v8.2.0
+     * @param original An `async` function
+     * @return a callback style function
+     */
+    export function callbackify(fn: () => Promise<void>): (callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<TResult>(fn: () => Promise<TResult>): (callback: (err: NodeJS.ErrnoException, result: TResult) => void) => void;
+    export function callbackify<T1>(fn: (arg1: T1) => Promise<void>): (arg1: T1, callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<T1, TResult>(fn: (arg1: T1) => Promise<TResult>): (arg1: T1, callback: (err: NodeJS.ErrnoException, result: TResult) => void) => void;
+    export function callbackify<T1, T2>(fn: (arg1: T1, arg2: T2) => Promise<void>): (arg1: T1, arg2: T2, callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<T1, T2, TResult>(fn: (arg1: T1, arg2: T2) => Promise<TResult>): (arg1: T1, arg2: T2, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;
+    export function callbackify<T1, T2, T3>(fn: (arg1: T1, arg2: T2, arg3: T3) => Promise<void>): (arg1: T1, arg2: T2, arg3: T3, callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<T1, T2, T3, TResult>(
+        fn: (arg1: T1, arg2: T2, arg3: T3) => Promise<TResult>
+    ): (arg1: T1, arg2: T2, arg3: T3, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;
+    export function callbackify<T1, T2, T3, T4>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4) => Promise<void>
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<T1, T2, T3, T4, TResult>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4) => Promise<TResult>
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;
+    export function callbackify<T1, T2, T3, T4, T5>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5) => Promise<void>
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<T1, T2, T3, T4, T5, TResult>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5) => Promise<TResult>
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;
+    export function callbackify<T1, T2, T3, T4, T5, T6>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6) => Promise<void>
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6, callback: (err: NodeJS.ErrnoException) => void) => void;
+    export function callbackify<T1, T2, T3, T4, T5, T6, TResult>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6) => Promise<TResult>
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, arg6: T6, callback: (err: NodeJS.ErrnoException | null, result: TResult) => void) => void;
+    export interface CustomPromisifyLegacy<TCustom extends Function> extends Function {
+        __promisify__: TCustom;
+    }
+    export interface CustomPromisifySymbol<TCustom extends Function> extends Function {
+        [promisify.custom]: TCustom;
+    }
+    export type CustomPromisify<TCustom extends Function> = CustomPromisifySymbol<TCustom> | CustomPromisifyLegacy<TCustom>;
+    /**
+     * Takes a function following the common error-first callback style, i.e. taking
+     * an `(err, value) => ...` callback as the last argument, and returns a version
+     * that returns promises.
+     *
+     * ```js
+     * const util = require('util');
+     * const fs = require('fs');
+     *
+     * const stat = util.promisify(fs.stat);
+     * stat('.').then((stats) => {
+     *   // Do something with `stats`
+     * }).catch((error) => {
+     *   // Handle the error.
+     * });
+     * ```
+     *
+     * Or, equivalently using `async function`s:
+     *
+     * ```js
+     * const util = require('util');
+     * const fs = require('fs');
+     *
+     * const stat = util.promisify(fs.stat);
+     *
+     * async function callStat() {
+     *   const stats = await stat('.');
+     *   console.log(`This directory is owned by ${stats.uid}`);
+     * }
+     * ```
+     *
+     * If there is an `original[util.promisify.custom]` property present, `promisify`will return its value, see `Custom promisified functions`.
+     *
+     * `promisify()` assumes that `original` is a function taking a callback as its
+     * final argument in all cases. If `original` is not a function, `promisify()`will throw an error. If `original` is a function but its last argument is not
+     * an error-first callback, it will still be passed an error-first
+     * callback as its last argument.
+     *
+     * Using `promisify()` on class methods or other methods that use `this` may not
+     * work as expected unless handled specially:
+     *
+     * ```js
+     * const util = require('util');
+     *
+     * class Foo {
+     *   constructor() {
+     *     this.a = 42;
+     *   }
+     *
+     *   bar(callback) {
+     *     callback(null, this.a);
+     *   }
+     * }
+     *
+     * const foo = new Foo();
+     *
+     * const naiveBar = util.promisify(foo.bar);
+     * // TypeError: Cannot read property 'a' of undefined
+     * // naiveBar().then(a => console.log(a));
+     *
+     * naiveBar.call(foo).then((a) => console.log(a)); // '42'
+     *
+     * const bindBar = naiveBar.bind(foo);
+     * bindBar().then((a) => console.log(a)); // '42'
+     * ```
+     * @since v8.0.0
+     */
+    export function promisify<TCustom extends Function>(fn: CustomPromisify<TCustom>): TCustom;
+    export function promisify<TResult>(fn: (callback: (err: any, result: TResult) => void) => void): () => Promise<TResult>;
+    export function promisify(fn: (callback: (err?: any) => void) => void): () => Promise<void>;
+    export function promisify<T1, TResult>(fn: (arg1: T1, callback: (err: any, result: TResult) => void) => void): (arg1: T1) => Promise<TResult>;
+    export function promisify<T1>(fn: (arg1: T1, callback: (err?: any) => void) => void): (arg1: T1) => Promise<void>;
+    export function promisify<T1, T2, TResult>(fn: (arg1: T1, arg2: T2, callback: (err: any, result: TResult) => void) => void): (arg1: T1, arg2: T2) => Promise<TResult>;
+    export function promisify<T1, T2>(fn: (arg1: T1, arg2: T2, callback: (err?: any) => void) => void): (arg1: T1, arg2: T2) => Promise<void>;
+    export function promisify<T1, T2, T3, TResult>(fn: (arg1: T1, arg2: T2, arg3: T3, callback: (err: any, result: TResult) => void) => void): (arg1: T1, arg2: T2, arg3: T3) => Promise<TResult>;
+    export function promisify<T1, T2, T3>(fn: (arg1: T1, arg2: T2, arg3: T3, callback: (err?: any) => void) => void): (arg1: T1, arg2: T2, arg3: T3) => Promise<void>;
+    export function promisify<T1, T2, T3, T4, TResult>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, callback: (err: any, result: TResult) => void) => void
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4) => Promise<TResult>;
+    export function promisify<T1, T2, T3, T4>(fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, callback: (err?: any) => void) => void): (arg1: T1, arg2: T2, arg3: T3, arg4: T4) => Promise<void>;
+    export function promisify<T1, T2, T3, T4, T5, TResult>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, callback: (err: any, result: TResult) => void) => void
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5) => Promise<TResult>;
+    export function promisify<T1, T2, T3, T4, T5>(
+        fn: (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5, callback: (err?: any) => void) => void
+    ): (arg1: T1, arg2: T2, arg3: T3, arg4: T4, arg5: T5) => Promise<void>;
+    export function promisify(fn: Function): Function;
+    export namespace promisify {
+        /**
+         * That can be used to declare custom promisified variants of functions.
+         */
+        const custom: unique symbol;
+    }
+    /**
+     * An implementation of the [WHATWG Encoding Standard](https://encoding.spec.whatwg.org/) `TextDecoder` API.
+     *
+     * ```js
+     * const decoder = new TextDecoder();
+     * const u8arr = new Uint8Array([72, 101, 108, 108, 111]);
+     * console.log(decoder.decode(u8arr)); // Hello
+     * ```
+     * @since v8.3.0
+     */
+    export class TextDecoder {
+        /**
+         * The encoding supported by the `TextDecoder` instance.
+         */
+        readonly encoding: string;
+        /**
+         * The value will be `true` if decoding errors result in a `TypeError` being
+         * thrown.
+         */
+        readonly fatal: boolean;
+        /**
+         * The value will be `true` if the decoding result will include the byte order
+         * mark.
+         */
+        readonly ignoreBOM: boolean;
+        constructor(
+            encoding?: string,
+            options?: {
+                fatal?: boolean | undefined;
+                ignoreBOM?: boolean | undefined;
+            }
+        );
+        /**
+         * Decodes the `input` and returns a string. If `options.stream` is `true`, any
+         * incomplete byte sequences occurring at the end of the `input` are buffered
+         * internally and emitted after the next call to `textDecoder.decode()`.
+         *
+         * If `textDecoder.fatal` is `true`, decoding errors that occur will result in a`TypeError` being thrown.
+         * @param input An `ArrayBuffer`, `DataView` or `TypedArray` instance containing the encoded data.
+         */
+        decode(
+            input?: NodeJS.ArrayBufferView | ArrayBuffer | null,
+            options?: {
+                stream?: boolean | undefined;
+            }
+        ): string;
+    }
+    export interface EncodeIntoResult {
+        /**
+         * The read Unicode code units of input.
+         */
+        read: number;
+        /**
+         * The written UTF-8 bytes of output.
+         */
+        written: number;
+    }
+    export { types };
+    /**
+     * An implementation of the [WHATWG Encoding Standard](https://encoding.spec.whatwg.org/) `TextEncoder` API. All
+     * instances of `TextEncoder` only support UTF-8 encoding.
+     *
+     * ```js
+     * const encoder = new TextEncoder();
+     * const uint8array = encoder.encode('this is some data');
+     * ```
+     *
+     * The `TextEncoder` class is also available on the global object.
+     * @since v8.3.0
+     */
+    export class TextEncoder {
+        /**
+         * The encoding supported by the `TextEncoder` instance. Always set to `'utf-8'`.
+         */
+        readonly encoding: string;
+        /**
+         * UTF-8 encodes the `input` string and returns a `Uint8Array` containing the
+         * encoded bytes.
+         * @param [input='an empty string'] The text to encode.
+         */
+        encode(input?: string): Uint8Array;
+        /**
+         * UTF-8 encodes the `src` string to the `dest` Uint8Array and returns an object
+         * containing the read Unicode code units and written UTF-8 bytes.
+         *
+         * ```js
+         * const encoder = new TextEncoder();
+         * const src = 'this is some data';
+         * const dest = new Uint8Array(10);
+         * const { read, written } = encoder.encodeInto(src, dest);
+         * ```
+         * @param src The text to encode.
+         * @param dest The array to hold the encode result.
+         */
+        encodeInto(src: string, dest: Uint8Array): EncodeIntoResult;
+    }
+
+    /**
+     * Provides a high-level API for command-line argument parsing. Takes a
+     * specification for the expected arguments and returns a structured object
+     * with the parsed values and positionals.
+     *
+     * `config` provides arguments for parsing and configures the parser. It
+     * supports the following properties:
+     *
+     *   - `args` The array of argument strings. **Default:** `process.argv` with
+     *     `execPath` and `filename` removed.
+     *   - `options` Arguments known to the parser. Keys of `options` are the long
+     *     names of options and values are objects accepting the following properties:
+     *
+     *     - `type` Type of argument, which must be either `boolean` (for options
+     *        which do not take values) or `string` (for options which do).
+     *     - `multiple` Whether this option can be provided multiple
+     *       times. If `true`, all values will be collected in an array. If
+     *       `false`, values for the option are last-wins. **Default:** `false`.
+     *     - `short` A single character alias for the option.
+     *
+     *   - `strict`: Whether an error should be thrown when unknown arguments
+     *     are encountered, or when arguments are passed that do not match the
+     *     `type` configured in `options`. **Default:** `true`.
+     *   - `allowPositionals`: Whether this command accepts positional arguments.
+     *     **Default:** `false` if `strict` is `true`, otherwise `true`.
+     *   - `tokens`: Whether tokens {boolean} Return the parsed tokens. This is useful
+     *     for extending the built-in behavior, from adding additional checks through
+     *     to reprocessing the tokens in different ways.
+     *     **Default:** `false`.
+     *
+     * @returns The parsed command line arguments:
+     *
+     *   - `values` A mapping of parsed option names with their string
+     *     or boolean values.
+     *   - `positionals` Positional arguments.
+     *   - `tokens` Detailed parse information (only if `tokens` was specified).
+     *
+     */
+    export function parseArgs<T extends ParseArgsConfig>(config: T): ParsedResults<T>;
+
+    interface ParseArgsOptionConfig {
+        type: 'string' | 'boolean';
+        short?: string;
+        multiple?: boolean;
+    }
+
+    interface ParseArgsOptionsConfig {
+        [longOption: string]: ParseArgsOptionConfig;
+    }
+
+    export interface ParseArgsConfig {
+        strict?: boolean;
+        allowPositionals?: boolean;
+        tokens?: boolean;
+        options?: ParseArgsOptionsConfig;
+        args?: string[];
+    }
+
+    /*
+    IfDefaultsTrue and IfDefaultsFalse are helpers to handle default values for missing boolean properties.
+    TypeScript does not have exact types for objects: https://github.com/microsoft/TypeScript/issues/12936
+    This means it is impossible to distinguish between "field X is definitely not present" and "field X may or may not be present".
+    But we expect users to generally provide their config inline or `as const`, which means TS will always know whether a given field is present.
+    So this helper treats "not definitely present" (i.e., not `extends boolean`) as being "definitely not present", i.e. it should have its default value.
+    This is technically incorrect but is a much nicer UX for the common case.
+    The IfDefaultsTrue version is for things which default to true; the IfDefaultsFalse version is for things which default to false.
+    */
+    type IfDefaultsTrue<T, IfTrue, IfFalse> = T extends true
+        ? IfTrue
+        : T extends false
+        ? IfFalse
+        : IfTrue;
+
+    // we put the `extends false` condition first here because `undefined` compares like `any` when `strictNullChecks: false`
+    type IfDefaultsFalse<T, IfTrue, IfFalse> = T extends false
+        ? IfFalse
+        : T extends true
+        ? IfTrue
+        : IfFalse;
+
+    type ExtractOptionValue<T extends ParseArgsConfig, O extends ParseArgsOptionConfig> = IfDefaultsTrue<
+        T['strict'],
+        O['type'] extends 'string' ? string : O['type'] extends 'boolean' ? boolean : string | boolean,
+        string | boolean
+    >;
+
+    type ParsedValues<T extends ParseArgsConfig> =
+        & IfDefaultsTrue<T['strict'], unknown, { [longOption: string]: undefined | string | boolean }>
+        & (T['options'] extends ParseArgsOptionsConfig
+            ? {
+                -readonly [LongOption in keyof T['options']]: IfDefaultsFalse<
+                    T['options'][LongOption]['multiple'],
+                    undefined | Array<ExtractOptionValue<T, T['options'][LongOption]>>,
+                    undefined | ExtractOptionValue<T, T['options'][LongOption]>
+                >;
+            }
+            : {});
+
+    type ParsedPositionals<T extends ParseArgsConfig> = IfDefaultsTrue<
+        T['strict'],
+        IfDefaultsFalse<T['allowPositionals'], string[], []>,
+        IfDefaultsTrue<T['allowPositionals'], string[], []>
+    >;
+
+    type PreciseTokenForOptions<
+        K extends string,
+        O extends ParseArgsOptionConfig,
+    > = O['type'] extends 'string'
+        ? {
+              kind: 'option';
+              index: number;
+              name: K;
+              rawName: string;
+              value: string;
+              inlineValue: boolean;
+          }
+        : O['type'] extends 'boolean'
+        ? {
+              kind: 'option';
+              index: number;
+              name: K;
+              rawName: string;
+              value: undefined;
+              inlineValue: undefined;
+          }
+        : OptionToken & { name: K };
+
+    type TokenForOptions<
+        T extends ParseArgsConfig,
+        K extends keyof T['options'] = keyof T['options'],
+    > = K extends unknown
+        ? T['options'] extends ParseArgsOptionsConfig
+            ? PreciseTokenForOptions<K & string, T['options'][K]>
+            : OptionToken
+        : never;
+
+    type ParsedOptionToken<T extends ParseArgsConfig> = IfDefaultsTrue<T['strict'], TokenForOptions<T>, OptionToken>;
+
+    type ParsedPositionalToken<T extends ParseArgsConfig> = IfDefaultsTrue<
+        T['strict'],
+        IfDefaultsFalse<T['allowPositionals'], { kind: 'positional'; index: number; value: string }, never>,
+        IfDefaultsTrue<T['allowPositionals'], { kind: 'positional'; index: number; value: string }, never>
+    >;
+
+    type ParsedTokens<T extends ParseArgsConfig> = Array<
+        ParsedOptionToken<T> | ParsedPositionalToken<T> | { kind: 'option-terminator'; index: number }
+    >;
+
+    type PreciseParsedResults<T extends ParseArgsConfig> = IfDefaultsFalse<
+        T['tokens'],
+        {
+            values: ParsedValues<T>;
+            positionals: ParsedPositionals<T>;
+            tokens: ParsedTokens<T>;
+        },
+        {
+            values: ParsedValues<T>;
+            positionals: ParsedPositionals<T>;
+        }
+    >;
+
+    type OptionToken =
+        | { kind: 'option'; index: number; name: string; rawName: string; value: string; inlineValue: boolean }
+        | {
+              kind: 'option';
+              index: number;
+              name: string;
+              rawName: string;
+              value: undefined;
+              inlineValue: undefined;
+          };
+
+    type Token =
+        | OptionToken
+        | { kind: 'positional'; index: number; value: string }
+        | { kind: 'option-terminator'; index: number };
+
+    // If ParseArgsConfig extends T, then the user passed config constructed elsewhere.
+    // So we can't rely on the `"not definitely present" implies "definitely not present"` assumption mentioned above.
+    type ParsedResults<T extends ParseArgsConfig> = ParseArgsConfig extends T
+        ? {
+              values: { [longOption: string]: undefined | string | boolean | Array<string | boolean> };
+              positionals: string[];
+              tokens?: Token[];
+          }
+        : PreciseParsedResults<T>;
+}
+declare module 'util/types' {
+    export * from 'util/types';
+}
+declare module 'util/types' {
+    import { KeyObject, webcrypto } from 'node:crypto';
+    /**
+     * Returns `true` if the value is a built-in [`ArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer) or
+     * [`SharedArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer) instance.
+     *
+     * See also `util.types.isArrayBuffer()` and `util.types.isSharedArrayBuffer()`.
+     *
+     * ```js
+     * util.types.isAnyArrayBuffer(new ArrayBuffer());  // Returns true
+     * util.types.isAnyArrayBuffer(new SharedArrayBuffer());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isAnyArrayBuffer(object: unknown): object is ArrayBufferLike;
+    /**
+     * Returns `true` if the value is an `arguments` object.
+     *
+     * ```js
+     * function foo() {
+     *   util.types.isArgumentsObject(arguments);  // Returns true
+     * }
+     * ```
+     * @since v10.0.0
+     */
+    function isArgumentsObject(object: unknown): object is IArguments;
+    /**
+     * Returns `true` if the value is a built-in [`ArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer) instance.
+     * This does _not_ include [`SharedArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer) instances. Usually, it is
+     * desirable to test for both; See `util.types.isAnyArrayBuffer()` for that.
+     *
+     * ```js
+     * util.types.isArrayBuffer(new ArrayBuffer());  // Returns true
+     * util.types.isArrayBuffer(new SharedArrayBuffer());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isArrayBuffer(object: unknown): object is ArrayBuffer;
+    /**
+     * Returns `true` if the value is an instance of one of the [`ArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer) views, such as typed
+     * array objects or [`DataView`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView). Equivalent to
+     * [`ArrayBuffer.isView()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView).
+     *
+     * ```js
+     * util.types.isArrayBufferView(new Int8Array());  // true
+     * util.types.isArrayBufferView(Buffer.from('hello world')); // true
+     * util.types.isArrayBufferView(new DataView(new ArrayBuffer(16)));  // true
+     * util.types.isArrayBufferView(new ArrayBuffer());  // false
+     * ```
+     * @since v10.0.0
+     */
+    function isArrayBufferView(object: unknown): object is NodeJS.ArrayBufferView;
+    /**
+     * Returns `true` if the value is an [async function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function).
+     * This only reports back what the JavaScript engine is seeing;
+     * in particular, the return value may not match the original source code if
+     * a transpilation tool was used.
+     *
+     * ```js
+     * util.types.isAsyncFunction(function foo() {});  // Returns false
+     * util.types.isAsyncFunction(async function foo() {});  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isAsyncFunction(object: unknown): boolean;
+    /**
+     * Returns `true` if the value is a `BigInt64Array` instance.
+     *
+     * ```js
+     * util.types.isBigInt64Array(new BigInt64Array());   // Returns true
+     * util.types.isBigInt64Array(new BigUint64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isBigInt64Array(value: unknown): value is BigInt64Array;
+    /**
+     * Returns `true` if the value is a `BigUint64Array` instance.
+     *
+     * ```js
+     * util.types.isBigUint64Array(new BigInt64Array());   // Returns false
+     * util.types.isBigUint64Array(new BigUint64Array());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isBigUint64Array(value: unknown): value is BigUint64Array;
+    /**
+     * Returns `true` if the value is a boolean object, e.g. created
+     * by `new Boolean()`.
+     *
+     * ```js
+     * util.types.isBooleanObject(false);  // Returns false
+     * util.types.isBooleanObject(true);   // Returns false
+     * util.types.isBooleanObject(new Boolean(false)); // Returns true
+     * util.types.isBooleanObject(new Boolean(true));  // Returns true
+     * util.types.isBooleanObject(Boolean(false)); // Returns false
+     * util.types.isBooleanObject(Boolean(true));  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isBooleanObject(object: unknown): object is Boolean;
+    /**
+     * Returns `true` if the value is any boxed primitive object, e.g. created
+     * by `new Boolean()`, `new String()` or `Object(Symbol())`.
+     *
+     * For example:
+     *
+     * ```js
+     * util.types.isBoxedPrimitive(false); // Returns false
+     * util.types.isBoxedPrimitive(new Boolean(false)); // Returns true
+     * util.types.isBoxedPrimitive(Symbol('foo')); // Returns false
+     * util.types.isBoxedPrimitive(Object(Symbol('foo'))); // Returns true
+     * util.types.isBoxedPrimitive(Object(BigInt(5))); // Returns true
+     * ```
+     * @since v10.11.0
+     */
+    function isBoxedPrimitive(object: unknown): object is String | Number | BigInt | Boolean | Symbol;
+    /**
+     * Returns `true` if the value is a built-in [`DataView`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView) instance.
+     *
+     * ```js
+     * const ab = new ArrayBuffer(20);
+     * util.types.isDataView(new DataView(ab));  // Returns true
+     * util.types.isDataView(new Float64Array());  // Returns false
+     * ```
+     *
+     * See also [`ArrayBuffer.isView()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView).
+     * @since v10.0.0
+     */
+    function isDataView(object: unknown): object is DataView;
+    /**
+     * Returns `true` if the value is a built-in [`Date`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date) instance.
+     *
+     * ```js
+     * util.types.isDate(new Date());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isDate(object: unknown): object is Date;
+    /**
+     * Returns `true` if the value is a native `External` value.
+     *
+     * A native `External` value is a special type of object that contains a
+     * raw C++ pointer (`void*`) for access from native code, and has no other
+     * properties. Such objects are created either by Node.js internals or native
+     * addons. In JavaScript, they are [frozen](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze) objects with a`null` prototype.
+     *
+     * ```c
+     * #include <js_native_api.h>
+     * #include <stdlib.h>
+     * napi_value result;
+     * static napi_value MyNapi(napi_env env, napi_callback_info info) {
+     *   int* raw = (int*) malloc(1024);
+     *   napi_status status = napi_create_external(env, (void*) raw, NULL, NULL, &#x26;result);
+     *   if (status != napi_ok) {
+     *     napi_throw_error(env, NULL, "napi_create_external failed");
+     *     return NULL;
+     *   }
+     *   return result;
+     * }
+     * ...
+     * DECLARE_NAPI_PROPERTY("myNapi", MyNapi)
+     * ...
+     * ```
+     *
+     * ```js
+     * const native = require('napi_addon.node');
+     * const data = native.myNapi();
+     * util.types.isExternal(data); // returns true
+     * util.types.isExternal(0); // returns false
+     * util.types.isExternal(new String('foo')); // returns false
+     * ```
+     *
+     * For further information on `napi_create_external`, refer to `napi_create_external()`.
+     * @since v10.0.0
+     */
+    function isExternal(object: unknown): boolean;
+    /**
+     * Returns `true` if the value is a built-in [`Float32Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float32Array) instance.
+     *
+     * ```js
+     * util.types.isFloat32Array(new ArrayBuffer());  // Returns false
+     * util.types.isFloat32Array(new Float32Array());  // Returns true
+     * util.types.isFloat32Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isFloat32Array(object: unknown): object is Float32Array;
+    /**
+     * Returns `true` if the value is a built-in [`Float64Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float64Array) instance.
+     *
+     * ```js
+     * util.types.isFloat64Array(new ArrayBuffer());  // Returns false
+     * util.types.isFloat64Array(new Uint8Array());  // Returns false
+     * util.types.isFloat64Array(new Float64Array());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isFloat64Array(object: unknown): object is Float64Array;
+    /**
+     * Returns `true` if the value is a generator function.
+     * This only reports back what the JavaScript engine is seeing;
+     * in particular, the return value may not match the original source code if
+     * a transpilation tool was used.
+     *
+     * ```js
+     * util.types.isGeneratorFunction(function foo() {});  // Returns false
+     * util.types.isGeneratorFunction(function* foo() {});  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isGeneratorFunction(object: unknown): object is GeneratorFunction;
+    /**
+     * Returns `true` if the value is a generator object as returned from a
+     * built-in generator function.
+     * This only reports back what the JavaScript engine is seeing;
+     * in particular, the return value may not match the original source code if
+     * a transpilation tool was used.
+     *
+     * ```js
+     * function* foo() {}
+     * const generator = foo();
+     * util.types.isGeneratorObject(generator);  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isGeneratorObject(object: unknown): object is Generator;
+    /**
+     * Returns `true` if the value is a built-in [`Int8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int8Array) instance.
+     *
+     * ```js
+     * util.types.isInt8Array(new ArrayBuffer());  // Returns false
+     * util.types.isInt8Array(new Int8Array());  // Returns true
+     * util.types.isInt8Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isInt8Array(object: unknown): object is Int8Array;
+    /**
+     * Returns `true` if the value is a built-in [`Int16Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int16Array) instance.
+     *
+     * ```js
+     * util.types.isInt16Array(new ArrayBuffer());  // Returns false
+     * util.types.isInt16Array(new Int16Array());  // Returns true
+     * util.types.isInt16Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isInt16Array(object: unknown): object is Int16Array;
+    /**
+     * Returns `true` if the value is a built-in [`Int32Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int32Array) instance.
+     *
+     * ```js
+     * util.types.isInt32Array(new ArrayBuffer());  // Returns false
+     * util.types.isInt32Array(new Int32Array());  // Returns true
+     * util.types.isInt32Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isInt32Array(object: unknown): object is Int32Array;
+    /**
+     * Returns `true` if the value is a built-in [`Map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map) instance.
+     *
+     * ```js
+     * util.types.isMap(new Map());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isMap<T>(object: T | {}): object is T extends ReadonlyMap<any, any> ? (unknown extends T ? never : ReadonlyMap<any, any>) : Map<unknown, unknown>;
+    /**
+     * Returns `true` if the value is an iterator returned for a built-in [`Map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map) instance.
+     *
+     * ```js
+     * const map = new Map();
+     * util.types.isMapIterator(map.keys());  // Returns true
+     * util.types.isMapIterator(map.values());  // Returns true
+     * util.types.isMapIterator(map.entries());  // Returns true
+     * util.types.isMapIterator(map[Symbol.iterator]());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isMapIterator(object: unknown): boolean;
+    /**
+     * Returns `true` if the value is an instance of a [Module Namespace Object](https://tc39.github.io/ecma262/#sec-module-namespace-exotic-objects).
+     *
+     * ```js
+     * import * as ns from './a.js';
+     *
+     * util.types.isModuleNamespaceObject(ns);  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isModuleNamespaceObject(value: unknown): boolean;
+    /**
+     * Returns `true` if the value is an instance of a built-in `Error` type.
+     *
+     * ```js
+     * util.types.isNativeError(new Error());  // Returns true
+     * util.types.isNativeError(new TypeError());  // Returns true
+     * util.types.isNativeError(new RangeError());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isNativeError(object: unknown): object is Error;
+    /**
+     * Returns `true` if the value is a number object, e.g. created
+     * by `new Number()`.
+     *
+     * ```js
+     * util.types.isNumberObject(0);  // Returns false
+     * util.types.isNumberObject(new Number(0));   // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isNumberObject(object: unknown): object is Number;
+    /**
+     * Returns `true` if the value is a built-in [`Promise`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise).
+     *
+     * ```js
+     * util.types.isPromise(Promise.resolve(42));  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isPromise(object: unknown): object is Promise<unknown>;
+    /**
+     * Returns `true` if the value is a [`Proxy`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy) instance.
+     *
+     * ```js
+     * const target = {};
+     * const proxy = new Proxy(target, {});
+     * util.types.isProxy(target);  // Returns false
+     * util.types.isProxy(proxy);  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isProxy(object: unknown): boolean;
+    /**
+     * Returns `true` if the value is a regular expression object.
+     *
+     * ```js
+     * util.types.isRegExp(/abc/);  // Returns true
+     * util.types.isRegExp(new RegExp('abc'));  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isRegExp(object: unknown): object is RegExp;
+    /**
+     * Returns `true` if the value is a built-in [`Set`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set) instance.
+     *
+     * ```js
+     * util.types.isSet(new Set());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isSet<T>(object: T | {}): object is T extends ReadonlySet<any> ? (unknown extends T ? never : ReadonlySet<any>) : Set<unknown>;
+    /**
+     * Returns `true` if the value is an iterator returned for a built-in [`Set`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set) instance.
+     *
+     * ```js
+     * const set = new Set();
+     * util.types.isSetIterator(set.keys());  // Returns true
+     * util.types.isSetIterator(set.values());  // Returns true
+     * util.types.isSetIterator(set.entries());  // Returns true
+     * util.types.isSetIterator(set[Symbol.iterator]());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isSetIterator(object: unknown): boolean;
+    /**
+     * Returns `true` if the value is a built-in [`SharedArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer) instance.
+     * This does _not_ include [`ArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer) instances. Usually, it is
+     * desirable to test for both; See `util.types.isAnyArrayBuffer()` for that.
+     *
+     * ```js
+     * util.types.isSharedArrayBuffer(new ArrayBuffer());  // Returns false
+     * util.types.isSharedArrayBuffer(new SharedArrayBuffer());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isSharedArrayBuffer(object: unknown): object is SharedArrayBuffer;
+    /**
+     * Returns `true` if the value is a string object, e.g. created
+     * by `new String()`.
+     *
+     * ```js
+     * util.types.isStringObject('foo');  // Returns false
+     * util.types.isStringObject(new String('foo'));   // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isStringObject(object: unknown): object is String;
+    /**
+     * Returns `true` if the value is a symbol object, created
+     * by calling `Object()` on a `Symbol` primitive.
+     *
+     * ```js
+     * const symbol = Symbol('foo');
+     * util.types.isSymbolObject(symbol);  // Returns false
+     * util.types.isSymbolObject(Object(symbol));   // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isSymbolObject(object: unknown): object is Symbol;
+    /**
+     * Returns `true` if the value is a built-in [`TypedArray`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray) instance.
+     *
+     * ```js
+     * util.types.isTypedArray(new ArrayBuffer());  // Returns false
+     * util.types.isTypedArray(new Uint8Array());  // Returns true
+     * util.types.isTypedArray(new Float64Array());  // Returns true
+     * ```
+     *
+     * See also [`ArrayBuffer.isView()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView).
+     * @since v10.0.0
+     */
+    function isTypedArray(object: unknown): object is NodeJS.TypedArray;
+    /**
+     * Returns `true` if the value is a built-in [`Uint8Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array) instance.
+     *
+     * ```js
+     * util.types.isUint8Array(new ArrayBuffer());  // Returns false
+     * util.types.isUint8Array(new Uint8Array());  // Returns true
+     * util.types.isUint8Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isUint8Array(object: unknown): object is Uint8Array;
+    /**
+     * Returns `true` if the value is a built-in [`Uint8ClampedArray`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8ClampedArray) instance.
+     *
+     * ```js
+     * util.types.isUint8ClampedArray(new ArrayBuffer());  // Returns false
+     * util.types.isUint8ClampedArray(new Uint8ClampedArray());  // Returns true
+     * util.types.isUint8ClampedArray(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isUint8ClampedArray(object: unknown): object is Uint8ClampedArray;
+    /**
+     * Returns `true` if the value is a built-in [`Uint16Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint16Array) instance.
+     *
+     * ```js
+     * util.types.isUint16Array(new ArrayBuffer());  // Returns false
+     * util.types.isUint16Array(new Uint16Array());  // Returns true
+     * util.types.isUint16Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isUint16Array(object: unknown): object is Uint16Array;
+    /**
+     * Returns `true` if the value is a built-in [`Uint32Array`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint32Array) instance.
+     *
+     * ```js
+     * util.types.isUint32Array(new ArrayBuffer());  // Returns false
+     * util.types.isUint32Array(new Uint32Array());  // Returns true
+     * util.types.isUint32Array(new Float64Array());  // Returns false
+     * ```
+     * @since v10.0.0
+     */
+    function isUint32Array(object: unknown): object is Uint32Array;
+    /**
+     * Returns `true` if the value is a built-in [`WeakMap`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap) instance.
+     *
+     * ```js
+     * util.types.isWeakMap(new WeakMap());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isWeakMap(object: unknown): object is WeakMap<object, unknown>;
+    /**
+     * Returns `true` if the value is a built-in [`WeakSet`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet) instance.
+     *
+     * ```js
+     * util.types.isWeakSet(new WeakSet());  // Returns true
+     * ```
+     * @since v10.0.0
+     */
+    function isWeakSet(object: unknown): object is WeakSet<object>;
+    /**
+     * Returns `true` if `value` is a `KeyObject`, `false` otherwise.
+     * @since v16.2.0
+     */
+    function isKeyObject(object: unknown): object is KeyObject;
+    /**
+     * Returns `true` if `value` is a `CryptoKey`, `false` otherwise.
+     * @since v16.2.0
+     */
+    function isCryptoKey(object: unknown): object is webcrypto.CryptoKey;
+}
+declare module 'node:util' {
+    export * from 'util';
+}
+declare module 'node:util/types' {
+    export * from 'util/types';
+}
diff --git a/node_modules/@types/node/v8.d.ts b/node_modules/@types/node/v8.d.ts
new file mode 100644
index 000000000..6685dc253
--- /dev/null
+++ b/node_modules/@types/node/v8.d.ts
@@ -0,0 +1,396 @@
+/**
+ * The `v8` module exposes APIs that are specific to the version of [V8](https://developers.google.com/v8/) built into the Node.js binary. It can be accessed using:
+ *
+ * ```js
+ * const v8 = require('v8');
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/v8.js)
+ */
+declare module 'v8' {
+    import { Readable } from 'node:stream';
+    interface HeapSpaceInfo {
+        space_name: string;
+        space_size: number;
+        space_used_size: number;
+        space_available_size: number;
+        physical_space_size: number;
+    }
+    // ** Signifies if the --zap_code_space option is enabled or not.  1 == enabled, 0 == disabled. */
+    type DoesZapCodeSpaceFlag = 0 | 1;
+    interface HeapInfo {
+        total_heap_size: number;
+        total_heap_size_executable: number;
+        total_physical_size: number;
+        total_available_size: number;
+        used_heap_size: number;
+        heap_size_limit: number;
+        malloced_memory: number;
+        peak_malloced_memory: number;
+        does_zap_garbage: DoesZapCodeSpaceFlag;
+        number_of_native_contexts: number;
+        number_of_detached_contexts: number;
+    }
+    interface HeapCodeStatistics {
+        code_and_metadata_size: number;
+        bytecode_and_metadata_size: number;
+        external_script_source_size: number;
+    }
+    /**
+     * Returns an integer representing a version tag derived from the V8 version,
+     * command-line flags, and detected CPU features. This is useful for determining
+     * whether a `vm.Script` `cachedData` buffer is compatible with this instance
+     * of V8.
+     *
+     * ```js
+     * console.log(v8.cachedDataVersionTag()); // 3947234607
+     * // The value returned by v8.cachedDataVersionTag() is derived from the V8
+     * // version, command-line flags, and detected CPU features. Test that the value
+     * // does indeed update when flags are toggled.
+     * v8.setFlagsFromString('--allow_natives_syntax');
+     * console.log(v8.cachedDataVersionTag()); // 183726201
+     * ```
+     * @since v8.0.0
+     */
+    function cachedDataVersionTag(): number;
+    /**
+     * Returns an object with the following properties:
+     *
+     * `does_zap_garbage` is a 0/1 boolean, which signifies whether the`--zap_code_space` option is enabled or not. This makes V8 overwrite heap
+     * garbage with a bit pattern. The RSS footprint (resident set size) gets bigger
+     * because it continuously touches all heap pages and that makes them less likely
+     * to get swapped out by the operating system.
+     *
+     * `number_of_native_contexts` The value of native\_context is the number of the
+     * top-level contexts currently active. Increase of this number over time indicates
+     * a memory leak.
+     *
+     * `number_of_detached_contexts` The value of detached\_context is the number
+     * of contexts that were detached and not yet garbage collected. This number
+     * being non-zero indicates a potential memory leak.
+     *
+     * ```js
+     * {
+     *   total_heap_size: 7326976,
+     *   total_heap_size_executable: 4194304,
+     *   total_physical_size: 7326976,
+     *   total_available_size: 1152656,
+     *   used_heap_size: 3476208,
+     *   heap_size_limit: 1535115264,
+     *   malloced_memory: 16384,
+     *   peak_malloced_memory: 1127496,
+     *   does_zap_garbage: 0,
+     *   number_of_native_contexts: 1,
+     *   number_of_detached_contexts: 0
+     * }
+     * ```
+     * @since v1.0.0
+     */
+    function getHeapStatistics(): HeapInfo;
+    /**
+     * Returns statistics about the V8 heap spaces, i.e. the segments which make up
+     * the V8 heap. Neither the ordering of heap spaces, nor the availability of a
+     * heap space can be guaranteed as the statistics are provided via the
+     * V8[`GetHeapSpaceStatistics`](https://v8docs.nodesource.com/node-13.2/d5/dda/classv8_1_1_isolate.html#ac673576f24fdc7a33378f8f57e1d13a4) function and may change from one V8 version to the
+     * next.
+     *
+     * The value returned is an array of objects containing the following properties:
+     *
+     * ```json
+     * [
+     *   {
+     *     "space_name": "new_space",
+     *     "space_size": 2063872,
+     *     "space_used_size": 951112,
+     *     "space_available_size": 80824,
+     *     "physical_space_size": 2063872
+     *   },
+     *   {
+     *     "space_name": "old_space",
+     *     "space_size": 3090560,
+     *     "space_used_size": 2493792,
+     *     "space_available_size": 0,
+     *     "physical_space_size": 3090560
+     *   },
+     *   {
+     *     "space_name": "code_space",
+     *     "space_size": 1260160,
+     *     "space_used_size": 644256,
+     *     "space_available_size": 960,
+     *     "physical_space_size": 1260160
+     *   },
+     *   {
+     *     "space_name": "map_space",
+     *     "space_size": 1094160,
+     *     "space_used_size": 201608,
+     *     "space_available_size": 0,
+     *     "physical_space_size": 1094160
+     *   },
+     *   {
+     *     "space_name": "large_object_space",
+     *     "space_size": 0,
+     *     "space_used_size": 0,
+     *     "space_available_size": 1490980608,
+     *     "physical_space_size": 0
+     *   }
+     * ]
+     * ```
+     * @since v6.0.0
+     */
+    function getHeapSpaceStatistics(): HeapSpaceInfo[];
+    /**
+     * The `v8.setFlagsFromString()` method can be used to programmatically set
+     * V8 command-line flags. This method should be used with care. Changing settings
+     * after the VM has started may result in unpredictable behavior, including
+     * crashes and data loss; or it may simply do nothing.
+     *
+     * The V8 options available for a version of Node.js may be determined by running`node --v8-options`.
+     *
+     * Usage:
+     *
+     * ```js
+     * // Print GC events to stdout for one minute.
+     * const v8 = require('v8');
+     * v8.setFlagsFromString('--trace_gc');
+     * setTimeout(() => { v8.setFlagsFromString('--notrace_gc'); }, 60e3);
+     * ```
+     * @since v1.0.0
+     */
+    function setFlagsFromString(flags: string): void;
+    /**
+     * Generates a snapshot of the current V8 heap and returns a Readable
+     * Stream that may be used to read the JSON serialized representation.
+     * This JSON stream format is intended to be used with tools such as
+     * Chrome DevTools. The JSON schema is undocumented and specific to the
+     * V8 engine. Therefore, the schema may change from one version of V8 to the next.
+     *
+     * Creating a heap snapshot requires memory about twice the size of the heap at
+     * the time the snapshot is created. This results in the risk of OOM killers
+     * terminating the process.
+     *
+     * Generating a snapshot is a synchronous operation which blocks the event loop
+     * for a duration depending on the heap size.
+     *
+     * ```js
+     * // Print heap snapshot to the console
+     * const v8 = require('v8');
+     * const stream = v8.getHeapSnapshot();
+     * stream.pipe(process.stdout);
+     * ```
+     * @since v11.13.0
+     * @return A Readable Stream containing the V8 heap snapshot
+     */
+    function getHeapSnapshot(): Readable;
+    /**
+     * Generates a snapshot of the current V8 heap and writes it to a JSON
+     * file. This file is intended to be used with tools such as Chrome
+     * DevTools. The JSON schema is undocumented and specific to the V8
+     * engine, and may change from one version of V8 to the next.
+     *
+     * A heap snapshot is specific to a single V8 isolate. When using `worker threads`, a heap snapshot generated from the main thread will
+     * not contain any information about the workers, and vice versa.
+     *
+     * Creating a heap snapshot requires memory about twice the size of the heap at
+     * the time the snapshot is created. This results in the risk of OOM killers
+     * terminating the process.
+     *
+     * Generating a snapshot is a synchronous operation which blocks the event loop
+     * for a duration depending on the heap size.
+     *
+     * ```js
+     * const { writeHeapSnapshot } = require('v8');
+     * const {
+     *   Worker,
+     *   isMainThread,
+     *   parentPort
+     * } = require('worker_threads');
+     *
+     * if (isMainThread) {
+     *   const worker = new Worker(__filename);
+     *
+     *   worker.once('message', (filename) => {
+     *     console.log(`worker heapdump: ${filename}`);
+     *     // Now get a heapdump for the main thread.
+     *     console.log(`main thread heapdump: ${writeHeapSnapshot()}`);
+     *   });
+     *
+     *   // Tell the worker to create a heapdump.
+     *   worker.postMessage('heapdump');
+     * } else {
+     *   parentPort.once('message', (message) => {
+     *     if (message === 'heapdump') {
+     *       // Generate a heapdump for the worker
+     *       // and return the filename to the parent.
+     *       parentPort.postMessage(writeHeapSnapshot());
+     *     }
+     *   });
+     * }
+     * ```
+     * @since v11.13.0
+     * @param filename The file path where the V8 heap snapshot is to be saved. If not specified, a file name with the pattern `'Heap-${yyyymmdd}-${hhmmss}-${pid}-${thread_id}.heapsnapshot'` will be
+     * generated, where `{pid}` will be the PID of the Node.js process, `{thread_id}` will be `0` when `writeHeapSnapshot()` is called from the main Node.js thread or the id of a
+     * worker thread.
+     * @return The filename where the snapshot was saved.
+     */
+    function writeHeapSnapshot(filename?: string): string;
+    /**
+     * Returns an object with the following properties:
+     *
+     * ```js
+     * {
+     *   code_and_metadata_size: 212208,
+     *   bytecode_and_metadata_size: 161368,
+     *   external_script_source_size: 1410794
+     * }
+     * ```
+     * @since v12.8.0
+     */
+    function getHeapCodeStatistics(): HeapCodeStatistics;
+    /**
+     * @since v8.0.0
+     */
+    class Serializer {
+        /**
+         * Writes out a header, which includes the serialization format version.
+         */
+        writeHeader(): void;
+        /**
+         * Serializes a JavaScript value and adds the serialized representation to the
+         * internal buffer.
+         *
+         * This throws an error if `value` cannot be serialized.
+         */
+        writeValue(val: any): boolean;
+        /**
+         * Returns the stored internal buffer. This serializer should not be used once
+         * the buffer is released. Calling this method results in undefined behavior
+         * if a previous write has failed.
+         */
+        releaseBuffer(): Buffer;
+        /**
+         * Marks an `ArrayBuffer` as having its contents transferred out of band.
+         * Pass the corresponding `ArrayBuffer` in the deserializing context to `deserializer.transferArrayBuffer()`.
+         * @param id A 32-bit unsigned integer.
+         * @param arrayBuffer An `ArrayBuffer` instance.
+         */
+        transferArrayBuffer(id: number, arrayBuffer: ArrayBuffer): void;
+        /**
+         * Write a raw 32-bit unsigned integer.
+         * For use inside of a custom `serializer._writeHostObject()`.
+         */
+        writeUint32(value: number): void;
+        /**
+         * Write a raw 64-bit unsigned integer, split into high and low 32-bit parts.
+         * For use inside of a custom `serializer._writeHostObject()`.
+         */
+        writeUint64(hi: number, lo: number): void;
+        /**
+         * Write a JS `number` value.
+         * For use inside of a custom `serializer._writeHostObject()`.
+         */
+        writeDouble(value: number): void;
+        /**
+         * Write raw bytes into the serializer’s internal buffer. The deserializer
+         * will require a way to compute the length of the buffer.
+         * For use inside of a custom `serializer._writeHostObject()`.
+         */
+        writeRawBytes(buffer: NodeJS.TypedArray): void;
+    }
+    /**
+     * A subclass of `Serializer` that serializes `TypedArray`(in particular `Buffer`) and `DataView` objects as host objects, and only
+     * stores the part of their underlying `ArrayBuffer`s that they are referring to.
+     * @since v8.0.0
+     */
+    class DefaultSerializer extends Serializer {}
+    /**
+     * @since v8.0.0
+     */
+    class Deserializer {
+        constructor(data: NodeJS.TypedArray);
+        /**
+         * Reads and validates a header (including the format version).
+         * May, for example, reject an invalid or unsupported wire format. In that case,
+         * an `Error` is thrown.
+         */
+        readHeader(): boolean;
+        /**
+         * Deserializes a JavaScript value from the buffer and returns it.
+         */
+        readValue(): any;
+        /**
+         * Marks an `ArrayBuffer` as having its contents transferred out of band.
+         * Pass the corresponding `ArrayBuffer` in the serializing context to `serializer.transferArrayBuffer()` (or return the `id` from `serializer._getSharedArrayBufferId()` in the case of
+         * `SharedArrayBuffer`s).
+         * @param id A 32-bit unsigned integer.
+         * @param arrayBuffer An `ArrayBuffer` instance.
+         */
+        transferArrayBuffer(id: number, arrayBuffer: ArrayBuffer): void;
+        /**
+         * Reads the underlying wire format version. Likely mostly to be useful to
+         * legacy code reading old wire format versions. May not be called before`.readHeader()`.
+         */
+        getWireFormatVersion(): number;
+        /**
+         * Read a raw 32-bit unsigned integer and return it.
+         * For use inside of a custom `deserializer._readHostObject()`.
+         */
+        readUint32(): number;
+        /**
+         * Read a raw 64-bit unsigned integer and return it as an array `[hi, lo]`with two 32-bit unsigned integer entries.
+         * For use inside of a custom `deserializer._readHostObject()`.
+         */
+        readUint64(): [number, number];
+        /**
+         * Read a JS `number` value.
+         * For use inside of a custom `deserializer._readHostObject()`.
+         */
+        readDouble(): number;
+        /**
+         * Read raw bytes from the deserializer’s internal buffer. The `length` parameter
+         * must correspond to the length of the buffer that was passed to `serializer.writeRawBytes()`.
+         * For use inside of a custom `deserializer._readHostObject()`.
+         */
+        readRawBytes(length: number): Buffer;
+    }
+    /**
+     * A subclass of `Deserializer` corresponding to the format written by `DefaultSerializer`.
+     * @since v8.0.0
+     */
+    class DefaultDeserializer extends Deserializer {}
+    /**
+     * Uses a `DefaultSerializer` to serialize `value` into a buffer.
+     *
+     * `ERR_BUFFER_TOO_LARGE` will be thrown when trying to
+     * serialize a huge object which requires buffer
+     * larger than `buffer.constants.MAX_LENGTH`.
+     * @since v8.0.0
+     */
+    function serialize(value: any): Buffer;
+    /**
+     * Uses a `DefaultDeserializer` with default options to read a JS value
+     * from a buffer.
+     * @since v8.0.0
+     * @param buffer A buffer returned by {@link serialize}.
+     */
+    function deserialize(buffer: NodeJS.TypedArray): any;
+    /**
+     * The `v8.takeCoverage()` method allows the user to write the coverage started by `NODE_V8_COVERAGE` to disk on demand. This method can be invoked multiple
+     * times during the lifetime of the process. Each time the execution counter will
+     * be reset and a new coverage report will be written to the directory specified
+     * by `NODE_V8_COVERAGE`.
+     *
+     * When the process is about to exit, one last coverage will still be written to
+     * disk unless {@link stopCoverage} is invoked before the process exits.
+     * @since v15.1.0, v14.18.0, v12.22.0
+     */
+    function takeCoverage(): void;
+    /**
+     * The `v8.stopCoverage()` method allows the user to stop the coverage collection
+     * started by `NODE_V8_COVERAGE`, so that V8 can release the execution count
+     * records and optimize code. This can be used in conjunction with {@link takeCoverage} if the user wants to collect the coverage on demand.
+     * @since v15.1.0, v14.18.0, v12.22.0
+     */
+    function stopCoverage(): void;
+}
+declare module 'node:v8' {
+    export * from 'v8';
+}
diff --git a/node_modules/@types/node/vm.d.ts b/node_modules/@types/node/vm.d.ts
new file mode 100644
index 000000000..c96513a50
--- /dev/null
+++ b/node_modules/@types/node/vm.d.ts
@@ -0,0 +1,509 @@
+/**
+ * The `vm` module enables compiling and running code within V8 Virtual
+ * Machine contexts.
+ *
+ * **The `vm` module is not a security**
+ * **mechanism. Do not use it to run untrusted code.**
+ *
+ * JavaScript code can be compiled and run immediately or
+ * compiled, saved, and run later.
+ *
+ * A common use case is to run the code in a different V8 Context. This means
+ * invoked code has a different global object than the invoking code.
+ *
+ * One can provide the context by `contextifying` an
+ * object. The invoked code treats any property in the context like a
+ * global variable. Any changes to global variables caused by the invoked
+ * code are reflected in the context object.
+ *
+ * ```js
+ * const vm = require('vm');
+ *
+ * const x = 1;
+ *
+ * const context = { x: 2 };
+ * vm.createContext(context); // Contextify the object.
+ *
+ * const code = 'x += 40; var y = 17;';
+ * // `x` and `y` are global variables in the context.
+ * // Initially, x has the value 2 because that is the value of context.x.
+ * vm.runInContext(code, context);
+ *
+ * console.log(context.x); // 42
+ * console.log(context.y); // 17
+ *
+ * console.log(x); // 1; y is not defined.
+ * ```
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/vm.js)
+ */
+declare module 'vm' {
+    interface Context extends NodeJS.Dict<any> {}
+    interface BaseOptions {
+        /**
+         * Specifies the filename used in stack traces produced by this script.
+         * Default: `''`.
+         */
+        filename?: string | undefined;
+        /**
+         * Specifies the line number offset that is displayed in stack traces produced by this script.
+         * Default: `0`.
+         */
+        lineOffset?: number | undefined;
+        /**
+         * Specifies the column number offset that is displayed in stack traces produced by this script.
+         * @default 0
+         */
+        columnOffset?: number | undefined;
+    }
+    interface ScriptOptions extends BaseOptions {
+        displayErrors?: boolean | undefined;
+        timeout?: number | undefined;
+        cachedData?: Buffer | undefined;
+        /** @deprecated in favor of `script.createCachedData()` */
+        produceCachedData?: boolean | undefined;
+    }
+    interface RunningScriptOptions extends BaseOptions {
+        /**
+         * When `true`, if an `Error` occurs while compiling the `code`, the line of code causing the error is attached to the stack trace.
+         * Default: `true`.
+         */
+        displayErrors?: boolean | undefined;
+        /**
+         * Specifies the number of milliseconds to execute code before terminating execution.
+         * If execution is terminated, an `Error` will be thrown. This value must be a strictly positive integer.
+         */
+        timeout?: number | undefined;
+        /**
+         * If `true`, the execution will be terminated when `SIGINT` (Ctrl+C) is received.
+         * Existing handlers for the event that have been attached via `process.on('SIGINT')` will be disabled during script execution, but will continue to work after that.
+         * If execution is terminated, an `Error` will be thrown.
+         * Default: `false`.
+         */
+        breakOnSigint?: boolean | undefined;
+        /**
+         * If set to `afterEvaluate`, microtasks will be run immediately after the script has run.
+         */
+        microtaskMode?: 'afterEvaluate' | undefined;
+    }
+    interface CompileFunctionOptions extends BaseOptions {
+        /**
+         * Provides an optional data with V8's code cache data for the supplied source.
+         */
+        cachedData?: Buffer | undefined;
+        /**
+         * Specifies whether to produce new cache data.
+         * Default: `false`,
+         */
+        produceCachedData?: boolean | undefined;
+        /**
+         * The sandbox/context in which the said function should be compiled in.
+         */
+        parsingContext?: Context | undefined;
+        /**
+         * An array containing a collection of context extensions (objects wrapping the current scope) to be applied while compiling
+         */
+        contextExtensions?: Object[] | undefined;
+    }
+    interface CreateContextOptions {
+        /**
+         * Human-readable name of the newly created context.
+         * @default 'VM Context i' Where i is an ascending numerical index of the created context.
+         */
+        name?: string | undefined;
+        /**
+         * Corresponds to the newly created context for display purposes.
+         * The origin should be formatted like a `URL`, but with only the scheme, host, and port (if necessary),
+         * like the value of the `url.origin` property of a URL object.
+         * Most notably, this string should omit the trailing slash, as that denotes a path.
+         * @default ''
+         */
+        origin?: string | undefined;
+        codeGeneration?:
+            | {
+                  /**
+                   * If set to false any calls to eval or function constructors (Function, GeneratorFunction, etc)
+                   * will throw an EvalError.
+                   * @default true
+                   */
+                  strings?: boolean | undefined;
+                  /**
+                   * If set to false any attempt to compile a WebAssembly module will throw a WebAssembly.CompileError.
+                   * @default true
+                   */
+                  wasm?: boolean | undefined;
+              }
+            | undefined;
+        /**
+         * If set to `afterEvaluate`, microtasks will be run immediately after the script has run.
+         */
+        microtaskMode?: 'afterEvaluate' | undefined;
+    }
+    type MeasureMemoryMode = 'summary' | 'detailed';
+    interface MeasureMemoryOptions {
+        /**
+         * @default 'summary'
+         */
+        mode?: MeasureMemoryMode | undefined;
+        context?: Context | undefined;
+    }
+    interface MemoryMeasurement {
+        total: {
+            jsMemoryEstimate: number;
+            jsMemoryRange: [number, number];
+        };
+    }
+    /**
+     * Instances of the `vm.Script` class contain precompiled scripts that can be
+     * executed in specific contexts.
+     * @since v0.3.1
+     */
+    class Script {
+        constructor(code: string, options?: ScriptOptions);
+        /**
+         * Runs the compiled code contained by the `vm.Script` object within the given`contextifiedObject` and returns the result. Running code does not have access
+         * to local scope.
+         *
+         * The following example compiles code that increments a global variable, sets
+         * the value of another global variable, then execute the code multiple times.
+         * The globals are contained in the `context` object.
+         *
+         * ```js
+         * const vm = require('vm');
+         *
+         * const context = {
+         *   animal: 'cat',
+         *   count: 2
+         * };
+         *
+         * const script = new vm.Script('count += 1; name = "kitty";');
+         *
+         * vm.createContext(context);
+         * for (let i = 0; i < 10; ++i) {
+         *   script.runInContext(context);
+         * }
+         *
+         * console.log(context);
+         * // Prints: { animal: 'cat', count: 12, name: 'kitty' }
+         * ```
+         *
+         * Using the `timeout` or `breakOnSigint` options will result in new event loops
+         * and corresponding threads being started, which have a non-zero performance
+         * overhead.
+         * @since v0.3.1
+         * @param contextifiedObject A `contextified` object as returned by the `vm.createContext()` method.
+         * @return the result of the very last statement executed in the script.
+         */
+        runInContext(contextifiedObject: Context, options?: RunningScriptOptions): any;
+        /**
+         * First contextifies the given `contextObject`, runs the compiled code contained
+         * by the `vm.Script` object within the created context, and returns the result.
+         * Running code does not have access to local scope.
+         *
+         * The following example compiles code that sets a global variable, then executes
+         * the code multiple times in different contexts. The globals are set on and
+         * contained within each individual `context`.
+         *
+         * ```js
+         * const vm = require('vm');
+         *
+         * const script = new vm.Script('globalVar = "set"');
+         *
+         * const contexts = [{}, {}, {}];
+         * contexts.forEach((context) => {
+         *   script.runInNewContext(context);
+         * });
+         *
+         * console.log(contexts);
+         * // Prints: [{ globalVar: 'set' }, { globalVar: 'set' }, { globalVar: 'set' }]
+         * ```
+         * @since v0.3.1
+         * @param contextObject An object that will be `contextified`. If `undefined`, a new object will be created.
+         * @return the result of the very last statement executed in the script.
+         */
+        runInNewContext(contextObject?: Context, options?: RunningScriptOptions): any;
+        /**
+         * Runs the compiled code contained by the `vm.Script` within the context of the
+         * current `global` object. Running code does not have access to local scope, but _does_ have access to the current `global` object.
+         *
+         * The following example compiles code that increments a `global` variable then
+         * executes that code multiple times:
+         *
+         * ```js
+         * const vm = require('vm');
+         *
+         * global.globalVar = 0;
+         *
+         * const script = new vm.Script('globalVar += 1', { filename: 'myfile.vm' });
+         *
+         * for (let i = 0; i < 1000; ++i) {
+         *   script.runInThisContext();
+         * }
+         *
+         * console.log(globalVar);
+         *
+         * // 1000
+         * ```
+         * @since v0.3.1
+         * @return the result of the very last statement executed in the script.
+         */
+        runInThisContext(options?: RunningScriptOptions): any;
+        /**
+         * Creates a code cache that can be used with the `Script` constructor's`cachedData` option. Returns a `Buffer`. This method may be called at any
+         * time and any number of times.
+         *
+         * ```js
+         * const script = new vm.Script(`
+         * function add(a, b) {
+         *   return a + b;
+         * }
+         *
+         * const x = add(1, 2);
+         * `);
+         *
+         * const cacheWithoutX = script.createCachedData();
+         *
+         * script.runInThisContext();
+         *
+         * const cacheWithX = script.createCachedData();
+         * ```
+         * @since v10.6.0
+         */
+        createCachedData(): Buffer;
+        /** @deprecated in favor of `script.createCachedData()` */
+        cachedDataProduced?: boolean | undefined;
+        cachedDataRejected?: boolean | undefined;
+        cachedData?: Buffer | undefined;
+    }
+    /**
+     * If given a `contextObject`, the `vm.createContext()` method will `prepare
+     * that object` so that it can be used in calls to {@link runInContext} or `script.runInContext()`. Inside such scripts,
+     * the `contextObject` will be the global object, retaining all of its existing
+     * properties but also having the built-in objects and functions any standard [global object](https://es5.github.io/#x15.1) has. Outside of scripts run by the vm module, global variables
+     * will remain unchanged.
+     *
+     * ```js
+     * const vm = require('vm');
+     *
+     * global.globalVar = 3;
+     *
+     * const context = { globalVar: 1 };
+     * vm.createContext(context);
+     *
+     * vm.runInContext('globalVar *= 2;', context);
+     *
+     * console.log(context);
+     * // Prints: { globalVar: 2 }
+     *
+     * console.log(global.globalVar);
+     * // Prints: 3
+     * ```
+     *
+     * If `contextObject` is omitted (or passed explicitly as `undefined`), a new,
+     * empty `contextified` object will be returned.
+     *
+     * The `vm.createContext()` method is primarily useful for creating a single
+     * context that can be used to run multiple scripts. For instance, if emulating a
+     * web browser, the method can be used to create a single context representing a
+     * window's global object, then run all `<script>` tags together within that
+     * context.
+     *
+     * The provided `name` and `origin` of the context are made visible through the
+     * Inspector API.
+     * @since v0.3.1
+     * @return contextified object.
+     */
+    function createContext(sandbox?: Context, options?: CreateContextOptions): Context;
+    /**
+     * Returns `true` if the given `object` object has been `contextified` using {@link createContext}.
+     * @since v0.11.7
+     */
+    function isContext(sandbox: Context): boolean;
+    /**
+     * The `vm.runInContext()` method compiles `code`, runs it within the context of
+     * the `contextifiedObject`, then returns the result. Running code does not have
+     * access to the local scope. The `contextifiedObject` object _must_ have been
+     * previously `contextified` using the {@link createContext} method.
+     *
+     * If `options` is a string, then it specifies the filename.
+     *
+     * The following example compiles and executes different scripts using a single `contextified` object:
+     *
+     * ```js
+     * const vm = require('vm');
+     *
+     * const contextObject = { globalVar: 1 };
+     * vm.createContext(contextObject);
+     *
+     * for (let i = 0; i < 10; ++i) {
+     *   vm.runInContext('globalVar *= 2;', contextObject);
+     * }
+     * console.log(contextObject);
+     * // Prints: { globalVar: 1024 }
+     * ```
+     * @since v0.3.1
+     * @param code The JavaScript code to compile and run.
+     * @param contextifiedObject The `contextified` object that will be used as the `global` when the `code` is compiled and run.
+     * @return the result of the very last statement executed in the script.
+     */
+    function runInContext(code: string, contextifiedObject: Context, options?: RunningScriptOptions | string): any;
+    /**
+     * The `vm.runInNewContext()` first contextifies the given `contextObject` (or
+     * creates a new `contextObject` if passed as `undefined`), compiles the `code`,
+     * runs it within the created context, then returns the result. Running code
+     * does not have access to the local scope.
+     *
+     * If `options` is a string, then it specifies the filename.
+     *
+     * The following example compiles and executes code that increments a global
+     * variable and sets a new one. These globals are contained in the `contextObject`.
+     *
+     * ```js
+     * const vm = require('vm');
+     *
+     * const contextObject = {
+     *   animal: 'cat',
+     *   count: 2
+     * };
+     *
+     * vm.runInNewContext('count += 1; name = "kitty"', contextObject);
+     * console.log(contextObject);
+     * // Prints: { animal: 'cat', count: 3, name: 'kitty' }
+     * ```
+     * @since v0.3.1
+     * @param code The JavaScript code to compile and run.
+     * @param contextObject An object that will be `contextified`. If `undefined`, a new object will be created.
+     * @return the result of the very last statement executed in the script.
+     */
+    function runInNewContext(code: string, contextObject?: Context, options?: RunningScriptOptions | string): any;
+    /**
+     * `vm.runInThisContext()` compiles `code`, runs it within the context of the
+     * current `global` and returns the result. Running code does not have access to
+     * local scope, but does have access to the current `global` object.
+     *
+     * If `options` is a string, then it specifies the filename.
+     *
+     * The following example illustrates using both `vm.runInThisContext()` and
+     * the JavaScript [`eval()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/eval) function to run the same code:
+     *
+     * ```js
+     * const vm = require('vm');
+     * let localVar = 'initial value';
+     *
+     * const vmResult = vm.runInThisContext('localVar = "vm";');
+     * console.log(`vmResult: '${vmResult}', localVar: '${localVar}'`);
+     * // Prints: vmResult: 'vm', localVar: 'initial value'
+     *
+     * const evalResult = eval('localVar = "eval";');
+     * console.log(`evalResult: '${evalResult}', localVar: '${localVar}'`);
+     * // Prints: evalResult: 'eval', localVar: 'eval'
+     * ```
+     *
+     * Because `vm.runInThisContext()` does not have access to the local scope,`localVar` is unchanged. In contrast,
+     * [`eval()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/eval) _does_ have access to the
+     * local scope, so the value `localVar` is changed. In this way`vm.runInThisContext()` is much like an [indirect `eval()` call](https://es5.github.io/#x10.4.2), e.g.`(0,eval)('code')`.
+     *
+     * ## Example: Running an HTTP server within a VM
+     *
+     * When using either `script.runInThisContext()` or {@link runInThisContext}, the code is executed within the current V8 global
+     * context. The code passed to this VM context will have its own isolated scope.
+     *
+     * In order to run a simple web server using the `http` module the code passed to
+     * the context must either call `require('http')` on its own, or have a reference
+     * to the `http` module passed to it. For instance:
+     *
+     * ```js
+     * 'use strict';
+     * const vm = require('vm');
+     *
+     * const code = `
+     * ((require) => {
+     *   const http = require('http');
+     *
+     *   http.createServer((request, response) => {
+     *     response.writeHead(200, { 'Content-Type': 'text/plain' });
+     *     response.end('Hello World\\n');
+     *   }).listen(8124);
+     *
+     *   console.log('Server running at http://127.0.0.1:8124/');
+     * })`;
+     *
+     * vm.runInThisContext(code)(require);
+     * ```
+     *
+     * The `require()` in the above case shares the state with the context it is
+     * passed from. This may introduce risks when untrusted code is executed, e.g.
+     * altering objects in the context in unwanted ways.
+     * @since v0.3.1
+     * @param code The JavaScript code to compile and run.
+     * @return the result of the very last statement executed in the script.
+     */
+    function runInThisContext(code: string, options?: RunningScriptOptions | string): any;
+    /**
+     * Compiles the given code into the provided context (if no context is
+     * supplied, the current context is used), and returns it wrapped inside a
+     * function with the given `params`.
+     * @since v10.10.0
+     * @param code The body of the function to compile.
+     * @param params An array of strings containing all parameters for the function.
+     */
+    function compileFunction(code: string, params?: ReadonlyArray<string>, options?: CompileFunctionOptions): Function;
+    /**
+     * Measure the memory known to V8 and used by all contexts known to the
+     * current V8 isolate, or the main context.
+     *
+     * The format of the object that the returned Promise may resolve with is
+     * specific to the V8 engine and may change from one version of V8 to the next.
+     *
+     * The returned result is different from the statistics returned by`v8.getHeapSpaceStatistics()` in that `vm.measureMemory()` measure the
+     * memory reachable by each V8 specific contexts in the current instance of
+     * the V8 engine, while the result of `v8.getHeapSpaceStatistics()` measure
+     * the memory occupied by each heap space in the current V8 instance.
+     *
+     * ```js
+     * const vm = require('vm');
+     * // Measure the memory used by the main context.
+     * vm.measureMemory({ mode: 'summary' })
+     *   // This is the same as vm.measureMemory()
+     *   .then((result) => {
+     *     // The current format is:
+     *     // {
+     *     //   total: {
+     *     //      jsMemoryEstimate: 2418479, jsMemoryRange: [ 2418479, 2745799 ]
+     *     //    }
+     *     // }
+     *     console.log(result);
+     *   });
+     *
+     * const context = vm.createContext({ a: 1 });
+     * vm.measureMemory({ mode: 'detailed', execution: 'eager' })
+     *   .then((result) => {
+     *     // Reference the context here so that it won't be GC'ed
+     *     // until the measurement is complete.
+     *     console.log(context.a);
+     *     // {
+     *     //   total: {
+     *     //     jsMemoryEstimate: 2574732,
+     *     //     jsMemoryRange: [ 2574732, 2904372 ]
+     *     //   },
+     *     //   current: {
+     *     //     jsMemoryEstimate: 2438996,
+     *     //     jsMemoryRange: [ 2438996, 2768636 ]
+     *     //   },
+     *     //   other: [
+     *     //     {
+     *     //       jsMemoryEstimate: 135736,
+     *     //       jsMemoryRange: [ 135736, 465376 ]
+     *     //     }
+     *     //   ]
+     *     // }
+     *     console.log(result);
+     *   });
+     * ```
+     * @since v13.10.0
+     * @experimental
+     */
+    function measureMemory(options?: MeasureMemoryOptions): Promise<MemoryMeasurement>;
+}
+declare module 'node:vm' {
+    export * from 'vm';
+}
diff --git a/node_modules/@types/node/wasi.d.ts b/node_modules/@types/node/wasi.d.ts
new file mode 100644
index 000000000..d20b66bf4
--- /dev/null
+++ b/node_modules/@types/node/wasi.d.ts
@@ -0,0 +1,158 @@
+/**
+ * The WASI API provides an implementation of the [WebAssembly System Interface](https://wasi.dev/) specification. WASI gives sandboxed WebAssembly applications access to the
+ * underlying operating system via a collection of POSIX-like functions.
+ *
+ * ```js
+ * import { readFile } from 'fs/promises';
+ * import { WASI } from 'wasi';
+ * import { argv, env } from 'process';
+ *
+ * const wasi = new WASI({
+ *   args: argv,
+ *   env,
+ *   preopens: {
+ *     '/sandbox': '/some/real/path/that/wasm/can/access'
+ *   }
+ * });
+ *
+ * // Some WASI binaries require:
+ * //   const importObject = { wasi_unstable: wasi.wasiImport };
+ * const importObject = { wasi_snapshot_preview1: wasi.wasiImport };
+ *
+ * const wasm = await WebAssembly.compile(
+ *   await readFile(new URL('./demo.wasm', import.meta.url))
+ * );
+ * const instance = await WebAssembly.instantiate(wasm, importObject);
+ *
+ * wasi.start(instance);
+ * ```
+ *
+ * To run the above example, create a new WebAssembly text format file named`demo.wat`:
+ *
+ * ```text
+ * (module
+ *     ;; Import the required fd_write WASI function which will write the given io vectors to stdout
+ *     ;; The function signature for fd_write is:
+ *     ;; (File Descriptor, *iovs, iovs_len, nwritten) -> Returns number of bytes written
+ *     (import "wasi_snapshot_preview1" "fd_write" (func $fd_write (param i32 i32 i32 i32) (result i32)))
+ *
+ *     (memory 1)
+ *     (export "memory" (memory 0))
+ *
+ *     ;; Write 'hello world\n' to memory at an offset of 8 bytes
+ *     ;; Note the trailing newline which is required for the text to appear
+ *     (data (i32.const 8) "hello world\n")
+ *
+ *     (func $main (export "_start")
+ *         ;; Creating a new io vector within linear memory
+ *         (i32.store (i32.const 0) (i32.const 8))  ;; iov.iov_base - This is a pointer to the start of the 'hello world\n' string
+ *         (i32.store (i32.const 4) (i32.const 12))  ;; iov.iov_len - The length of the 'hello world\n' string
+ *
+ *         (call $fd_write
+ *             (i32.const 1) ;; file_descriptor - 1 for stdout
+ *             (i32.const 0) ;; *iovs - The pointer to the iov array, which is stored at memory location 0
+ *             (i32.const 1) ;; iovs_len - We're printing 1 string stored in an iov - so one.
+ *             (i32.const 20) ;; nwritten - A place in memory to store the number of bytes written
+ *         )
+ *         drop ;; Discard the number of bytes written from the top of the stack
+ *     )
+ * )
+ * ```
+ *
+ * Use [wabt](https://github.com/WebAssembly/wabt) to compile `.wat` to `.wasm`
+ *
+ * ```console
+ * $ wat2wasm demo.wat
+ * ```
+ *
+ * The `--experimental-wasi-unstable-preview1` CLI argument is needed for this
+ * example to run.
+ * @experimental
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/wasi.js)
+ */
+declare module 'wasi' {
+    interface WASIOptions {
+        /**
+         * An array of strings that the WebAssembly application will
+         * see as command line arguments. The first argument is the virtual path to the
+         * WASI command itself.
+         */
+        args?: string[] | undefined;
+        /**
+         * An object similar to `process.env` that the WebAssembly
+         * application will see as its environment.
+         */
+        env?: object | undefined;
+        /**
+         * This object represents the WebAssembly application's
+         * sandbox directory structure. The string keys of `preopens` are treated as
+         * directories within the sandbox. The corresponding values in `preopens` are
+         * the real paths to those directories on the host machine.
+         */
+        preopens?: NodeJS.Dict<string> | undefined;
+        /**
+         * By default, WASI applications terminate the Node.js
+         * process via the `__wasi_proc_exit()` function. Setting this option to `true`
+         * causes `wasi.start()` to return the exit code rather than terminate the
+         * process.
+         * @default false
+         */
+        returnOnExit?: boolean | undefined;
+        /**
+         * The file descriptor used as standard input in the WebAssembly application.
+         * @default 0
+         */
+        stdin?: number | undefined;
+        /**
+         * The file descriptor used as standard output in the WebAssembly application.
+         * @default 1
+         */
+        stdout?: number | undefined;
+        /**
+         * The file descriptor used as standard error in the WebAssembly application.
+         * @default 2
+         */
+        stderr?: number | undefined;
+    }
+    /**
+     * The `WASI` class provides the WASI system call API and additional convenience
+     * methods for working with WASI-based applications. Each `WASI` instance
+     * represents a distinct sandbox environment. For security purposes, each `WASI`instance must have its command-line arguments, environment variables, and
+     * sandbox directory structure configured explicitly.
+     * @since v13.3.0, v12.16.0
+     */
+    class WASI {
+        constructor(options?: WASIOptions);
+        /**
+         * Attempt to begin execution of `instance` as a WASI command by invoking its`_start()` export. If `instance` does not contain a `_start()` export, or if`instance` contains an `_initialize()`
+         * export, then an exception is thrown.
+         *
+         * `start()` requires that `instance` exports a [`WebAssembly.Memory`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Memory) named`memory`. If
+         * `instance` does not have a `memory` export an exception is thrown.
+         *
+         * If `start()` is called more than once, an exception is thrown.
+         * @since v13.3.0, v12.16.0
+         */
+        start(instance: object): void; // TODO: avoid DOM dependency until WASM moved to own lib.
+        /**
+         * Attempt to initialize `instance` as a WASI reactor by invoking its`_initialize()` export, if it is present. If `instance` contains a `_start()`export, then an exception is thrown.
+         *
+         * `initialize()` requires that `instance` exports a [`WebAssembly.Memory`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Memory) named`memory`.
+         * If `instance` does not have a `memory` export an exception is thrown.
+         *
+         * If `initialize()` is called more than once, an exception is thrown.
+         * @since v14.6.0, v12.19.0
+         */
+        initialize(instance: object): void; // TODO: avoid DOM dependency until WASM moved to own lib.
+        /**
+         * `wasiImport` is an object that implements the WASI system call API. This object
+         * should be passed as the `wasi_snapshot_preview1` import during the instantiation
+         * of a [`WebAssembly.Instance`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Instance).
+         * @since v13.3.0, v12.16.0
+         */
+        readonly wasiImport: NodeJS.Dict<any>; // TODO: Narrow to DOM types
+    }
+}
+declare module 'node:wasi' {
+    export * from 'wasi';
+}
diff --git a/node_modules/@types/node/worker_threads.d.ts b/node_modules/@types/node/worker_threads.d.ts
new file mode 100644
index 000000000..81b71c283
--- /dev/null
+++ b/node_modules/@types/node/worker_threads.d.ts
@@ -0,0 +1,646 @@
+/**
+ * The `worker_threads` module enables the use of threads that execute JavaScript
+ * in parallel. To access it:
+ *
+ * ```js
+ * const worker = require('worker_threads');
+ * ```
+ *
+ * Workers (threads) are useful for performing CPU-intensive JavaScript operations.
+ * They do not help much with I/O-intensive work. The Node.js built-in
+ * asynchronous I/O operations are more efficient than Workers can be.
+ *
+ * Unlike `child_process` or `cluster`, `worker_threads` can share memory. They do
+ * so by transferring `ArrayBuffer` instances or sharing `SharedArrayBuffer`instances.
+ *
+ * ```js
+ * const {
+ *   Worker, isMainThread, parentPort, workerData
+ * } = require('worker_threads');
+ *
+ * if (isMainThread) {
+ *   module.exports = function parseJSAsync(script) {
+ *     return new Promise((resolve, reject) => {
+ *       const worker = new Worker(__filename, {
+ *         workerData: script
+ *       });
+ *       worker.on('message', resolve);
+ *       worker.on('error', reject);
+ *       worker.on('exit', (code) => {
+ *         if (code !== 0)
+ *           reject(new Error(`Worker stopped with exit code ${code}`));
+ *       });
+ *     });
+ *   };
+ * } else {
+ *   const { parse } = require('some-js-parsing-library');
+ *   const script = workerData;
+ *   parentPort.postMessage(parse(script));
+ * }
+ * ```
+ *
+ * The above example spawns a Worker thread for each `parseJSAsync()` call. In
+ * practice, use a pool of Workers for these kinds of tasks. Otherwise, the
+ * overhead of creating Workers would likely exceed their benefit.
+ *
+ * When implementing a worker pool, use the `AsyncResource` API to inform
+ * diagnostic tools (e.g. to provide asynchronous stack traces) about the
+ * correlation between tasks and their outcomes. See `"Using AsyncResource for a Worker thread pool"` in the `async_hooks` documentation for an example implementation.
+ *
+ * Worker threads inherit non-process-specific options by default. Refer to `Worker constructor options` to know how to customize worker thread options,
+ * specifically `argv` and `execArgv` options.
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/worker_threads.js)
+ */
+declare module 'worker_threads' {
+    import { Blob } from 'node:buffer';
+    import { Context } from 'node:vm';
+    import { EventEmitter } from 'node:events';
+    import { EventLoopUtilityFunction } from 'node:perf_hooks';
+    import { FileHandle } from 'node:fs/promises';
+    import { Readable, Writable } from 'node:stream';
+    import { URL } from 'node:url';
+    import { X509Certificate } from 'node:crypto';
+    const isMainThread: boolean;
+    const parentPort: null | MessagePort;
+    const resourceLimits: ResourceLimits;
+    const SHARE_ENV: unique symbol;
+    const threadId: number;
+    const workerData: any;
+    /**
+     * Instances of the `worker.MessageChannel` class represent an asynchronous,
+     * two-way communications channel.
+     * The `MessageChannel` has no methods of its own. `new MessageChannel()`yields an object with `port1` and `port2` properties, which refer to linked `MessagePort` instances.
+     *
+     * ```js
+     * const { MessageChannel } = require('worker_threads');
+     *
+     * const { port1, port2 } = new MessageChannel();
+     * port1.on('message', (message) => console.log('received', message));
+     * port2.postMessage({ foo: 'bar' });
+     * // Prints: received { foo: 'bar' } from the `port1.on('message')` listener
+     * ```
+     * @since v10.5.0
+     */
+    class MessageChannel {
+        readonly port1: MessagePort;
+        readonly port2: MessagePort;
+    }
+    interface WorkerPerformance {
+        eventLoopUtilization: EventLoopUtilityFunction;
+    }
+    type TransferListItem = ArrayBuffer | MessagePort | FileHandle | X509Certificate | Blob;
+    /**
+     * Instances of the `worker.MessagePort` class represent one end of an
+     * asynchronous, two-way communications channel. It can be used to transfer
+     * structured data, memory regions and other `MessagePort`s between different `Worker` s.
+     *
+     * This implementation matches [browser `MessagePort`](https://developer.mozilla.org/en-US/docs/Web/API/MessagePort) s.
+     * @since v10.5.0
+     */
+    class MessagePort extends EventEmitter {
+        /**
+         * Disables further sending of messages on either side of the connection.
+         * This method can be called when no further communication will happen over this`MessagePort`.
+         *
+         * The `'close' event` is emitted on both `MessagePort` instances that
+         * are part of the channel.
+         * @since v10.5.0
+         */
+        close(): void;
+        /**
+         * Sends a JavaScript value to the receiving side of this channel.`value` is transferred in a way which is compatible with
+         * the [HTML structured clone algorithm](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm).
+         *
+         * In particular, the significant differences to `JSON` are:
+         *
+         * * `value` may contain circular references.
+         * * `value` may contain instances of builtin JS types such as `RegExp`s,`BigInt`s, `Map`s, `Set`s, etc.
+         * * `value` may contain typed arrays, both using `ArrayBuffer`s
+         * and `SharedArrayBuffer`s.
+         * * `value` may contain [`WebAssembly.Module`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WebAssembly/Module) instances.
+         * * `value` may not contain native (C++-backed) objects other than:
+         *
+         * ```js
+         * const { MessageChannel } = require('worker_threads');
+         * const { port1, port2 } = new MessageChannel();
+         *
+         * port1.on('message', (message) => console.log(message));
+         *
+         * const circularData = {};
+         * circularData.foo = circularData;
+         * // Prints: { foo: [Circular] }
+         * port2.postMessage(circularData);
+         * ```
+         *
+         * `transferList` may be a list of [`ArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer), `MessagePort` and `FileHandle` objects.
+         * After transferring, they are not usable on the sending side of the channel
+         * anymore (even if they are not contained in `value`). Unlike with `child processes`, transferring handles such as network sockets is currently
+         * not supported.
+         *
+         * If `value` contains [`SharedArrayBuffer`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer) instances, those are accessible
+         * from either thread. They cannot be listed in `transferList`.
+         *
+         * `value` may still contain `ArrayBuffer` instances that are not in`transferList`; in that case, the underlying memory is copied rather than moved.
+         *
+         * ```js
+         * const { MessageChannel } = require('worker_threads');
+         * const { port1, port2 } = new MessageChannel();
+         *
+         * port1.on('message', (message) => console.log(message));
+         *
+         * const uint8Array = new Uint8Array([ 1, 2, 3, 4 ]);
+         * // This posts a copy of `uint8Array`:
+         * port2.postMessage(uint8Array);
+         * // This does not copy data, but renders `uint8Array` unusable:
+         * port2.postMessage(uint8Array, [ uint8Array.buffer ]);
+         *
+         * // The memory for the `sharedUint8Array` is accessible from both the
+         * // original and the copy received by `.on('message')`:
+         * const sharedUint8Array = new Uint8Array(new SharedArrayBuffer(4));
+         * port2.postMessage(sharedUint8Array);
+         *
+         * // This transfers a freshly created message port to the receiver.
+         * // This can be used, for example, to create communication channels between
+         * // multiple `Worker` threads that are children of the same parent thread.
+         * const otherChannel = new MessageChannel();
+         * port2.postMessage({ port: otherChannel.port1 }, [ otherChannel.port1 ]);
+         * ```
+         *
+         * The message object is cloned immediately, and can be modified after
+         * posting without having side effects.
+         *
+         * For more information on the serialization and deserialization mechanisms
+         * behind this API, see the `serialization API of the v8 module`.
+         * @since v10.5.0
+         */
+        postMessage(value: any, transferList?: ReadonlyArray<TransferListItem>): void;
+        /**
+         * Opposite of `unref()`. Calling `ref()` on a previously `unref()`ed port does _not_ let the program exit if it's the only active handle left (the default
+         * behavior). If the port is `ref()`ed, calling `ref()` again has no effect.
+         *
+         * If listeners are attached or removed using `.on('message')`, the port
+         * is `ref()`ed and `unref()`ed automatically depending on whether
+         * listeners for the event exist.
+         * @since v10.5.0
+         */
+        ref(): void;
+        /**
+         * Calling `unref()` on a port allows the thread to exit if this is the only
+         * active handle in the event system. If the port is already `unref()`ed calling`unref()` again has no effect.
+         *
+         * If listeners are attached or removed using `.on('message')`, the port is`ref()`ed and `unref()`ed automatically depending on whether
+         * listeners for the event exist.
+         * @since v10.5.0
+         */
+        unref(): void;
+        /**
+         * Starts receiving messages on this `MessagePort`. When using this port
+         * as an event emitter, this is called automatically once `'message'`listeners are attached.
+         *
+         * This method exists for parity with the Web `MessagePort` API. In Node.js,
+         * it is only useful for ignoring messages when no event listener is present.
+         * Node.js also diverges in its handling of `.onmessage`. Setting it
+         * automatically calls `.start()`, but unsetting it lets messages queue up
+         * until a new handler is set or the port is discarded.
+         * @since v10.5.0
+         */
+        start(): void;
+        addListener(event: 'close', listener: () => void): this;
+        addListener(event: 'message', listener: (value: any) => void): this;
+        addListener(event: 'messageerror', listener: (error: Error) => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'close'): boolean;
+        emit(event: 'message', value: any): boolean;
+        emit(event: 'messageerror', error: Error): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'close', listener: () => void): this;
+        on(event: 'message', listener: (value: any) => void): this;
+        on(event: 'messageerror', listener: (error: Error) => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'close', listener: () => void): this;
+        once(event: 'message', listener: (value: any) => void): this;
+        once(event: 'messageerror', listener: (error: Error) => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'close', listener: () => void): this;
+        prependListener(event: 'message', listener: (value: any) => void): this;
+        prependListener(event: 'messageerror', listener: (error: Error) => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'close', listener: () => void): this;
+        prependOnceListener(event: 'message', listener: (value: any) => void): this;
+        prependOnceListener(event: 'messageerror', listener: (error: Error) => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        removeListener(event: 'close', listener: () => void): this;
+        removeListener(event: 'message', listener: (value: any) => void): this;
+        removeListener(event: 'messageerror', listener: (error: Error) => void): this;
+        removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        off(event: 'close', listener: () => void): this;
+        off(event: 'message', listener: (value: any) => void): this;
+        off(event: 'messageerror', listener: (error: Error) => void): this;
+        off(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    interface WorkerOptions {
+        /**
+         * List of arguments which would be stringified and appended to
+         * `process.argv` in the worker. This is mostly similar to the `workerData`
+         * but the values will be available on the global `process.argv` as if they
+         * were passed as CLI options to the script.
+         */
+        argv?: any[] | undefined;
+        env?: NodeJS.Dict<string> | typeof SHARE_ENV | undefined;
+        eval?: boolean | undefined;
+        workerData?: any;
+        stdin?: boolean | undefined;
+        stdout?: boolean | undefined;
+        stderr?: boolean | undefined;
+        execArgv?: string[] | undefined;
+        resourceLimits?: ResourceLimits | undefined;
+        /**
+         * Additional data to send in the first worker message.
+         */
+        transferList?: TransferListItem[] | undefined;
+        /**
+         * @default true
+         */
+        trackUnmanagedFds?: boolean | undefined;
+    }
+    interface ResourceLimits {
+        /**
+         * The maximum size of a heap space for recently created objects.
+         */
+        maxYoungGenerationSizeMb?: number | undefined;
+        /**
+         * The maximum size of the main heap in MB.
+         */
+        maxOldGenerationSizeMb?: number | undefined;
+        /**
+         * The size of a pre-allocated memory range used for generated code.
+         */
+        codeRangeSizeMb?: number | undefined;
+        /**
+         * The default maximum stack size for the thread. Small values may lead to unusable Worker instances.
+         * @default 4
+         */
+        stackSizeMb?: number | undefined;
+    }
+    /**
+     * The `Worker` class represents an independent JavaScript execution thread.
+     * Most Node.js APIs are available inside of it.
+     *
+     * Notable differences inside a Worker environment are:
+     *
+     * * The `process.stdin`, `process.stdout` and `process.stderr` may be redirected by the parent thread.
+     * * The `require('worker_threads').isMainThread` property is set to `false`.
+     * * The `require('worker_threads').parentPort` message port is available.
+     * * `process.exit()` does not stop the whole program, just the single thread,
+     * and `process.abort()` is not available.
+     * * `process.chdir()` and `process` methods that set group or user ids
+     * are not available.
+     * * `process.env` is a copy of the parent thread's environment variables,
+     * unless otherwise specified. Changes to one copy are not visible in other
+     * threads, and are not visible to native add-ons (unless `worker.SHARE_ENV` is passed as the `env` option to the `Worker` constructor).
+     * * `process.title` cannot be modified.
+     * * Signals are not delivered through `process.on('...')`.
+     * * Execution may stop at any point as a result of `worker.terminate()` being invoked.
+     * * IPC channels from parent processes are not accessible.
+     * * The `trace_events` module is not supported.
+     * * Native add-ons can only be loaded from multiple threads if they fulfill `certain conditions`.
+     *
+     * Creating `Worker` instances inside of other `Worker`s is possible.
+     *
+     * Like [Web Workers](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API) and the `cluster module`, two-way communication can be
+     * achieved through inter-thread message passing. Internally, a `Worker` has a
+     * built-in pair of `MessagePort` s that are already associated with each other
+     * when the `Worker` is created. While the `MessagePort` object on the parent side
+     * is not directly exposed, its functionalities are exposed through `worker.postMessage()` and the `worker.on('message')` event
+     * on the `Worker` object for the parent thread.
+     *
+     * To create custom messaging channels (which is encouraged over using the default
+     * global channel because it facilitates separation of concerns), users can create
+     * a `MessageChannel` object on either thread and pass one of the`MessagePort`s on that `MessageChannel` to the other thread through a
+     * pre-existing channel, such as the global one.
+     *
+     * See `port.postMessage()` for more information on how messages are passed,
+     * and what kind of JavaScript values can be successfully transported through
+     * the thread barrier.
+     *
+     * ```js
+     * const assert = require('assert');
+     * const {
+     *   Worker, MessageChannel, MessagePort, isMainThread, parentPort
+     * } = require('worker_threads');
+     * if (isMainThread) {
+     *   const worker = new Worker(__filename);
+     *   const subChannel = new MessageChannel();
+     *   worker.postMessage({ hereIsYourPort: subChannel.port1 }, [subChannel.port1]);
+     *   subChannel.port2.on('message', (value) => {
+     *     console.log('received:', value);
+     *   });
+     * } else {
+     *   parentPort.once('message', (value) => {
+     *     assert(value.hereIsYourPort instanceof MessagePort);
+     *     value.hereIsYourPort.postMessage('the worker is sending this');
+     *     value.hereIsYourPort.close();
+     *   });
+     * }
+     * ```
+     * @since v10.5.0
+     */
+    class Worker extends EventEmitter {
+        /**
+         * If `stdin: true` was passed to the `Worker` constructor, this is a
+         * writable stream. The data written to this stream will be made available in
+         * the worker thread as `process.stdin`.
+         * @since v10.5.0
+         */
+        readonly stdin: Writable | null;
+        /**
+         * This is a readable stream which contains data written to `process.stdout` inside the worker thread. If `stdout: true` was not passed to the `Worker` constructor, then data is piped to the
+         * parent thread's `process.stdout` stream.
+         * @since v10.5.0
+         */
+        readonly stdout: Readable;
+        /**
+         * This is a readable stream which contains data written to `process.stderr` inside the worker thread. If `stderr: true` was not passed to the `Worker` constructor, then data is piped to the
+         * parent thread's `process.stderr` stream.
+         * @since v10.5.0
+         */
+        readonly stderr: Readable;
+        /**
+         * An integer identifier for the referenced thread. Inside the worker thread,
+         * it is available as `require('worker_threads').threadId`.
+         * This value is unique for each `Worker` instance inside a single process.
+         * @since v10.5.0
+         */
+        readonly threadId: number;
+        /**
+         * Provides the set of JS engine resource constraints for this Worker thread.
+         * If the `resourceLimits` option was passed to the `Worker` constructor,
+         * this matches its values.
+         *
+         * If the worker has stopped, the return value is an empty object.
+         * @since v13.2.0, v12.16.0
+         */
+        readonly resourceLimits?: ResourceLimits | undefined;
+        /**
+         * An object that can be used to query performance information from a worker
+         * instance. Similar to `perf_hooks.performance`.
+         * @since v15.1.0, v14.17.0, v12.22.0
+         */
+        readonly performance: WorkerPerformance;
+        /**
+         * @param filename  The path to the Worker’s main script or module.
+         *                  Must be either an absolute path or a relative path (i.e. relative to the current working directory) starting with ./ or ../,
+         *                  or a WHATWG URL object using file: protocol. If options.eval is true, this is a string containing JavaScript code rather than a path.
+         */
+        constructor(filename: string | URL, options?: WorkerOptions);
+        /**
+         * Send a message to the worker that is received via `require('worker_threads').parentPort.on('message')`.
+         * See `port.postMessage()` for more details.
+         * @since v10.5.0
+         */
+        postMessage(value: any, transferList?: ReadonlyArray<TransferListItem>): void;
+        /**
+         * Opposite of `unref()`, calling `ref()` on a previously `unref()`ed worker does _not_ let the program exit if it's the only active handle left (the default
+         * behavior). If the worker is `ref()`ed, calling `ref()` again has
+         * no effect.
+         * @since v10.5.0
+         */
+        ref(): void;
+        /**
+         * Calling `unref()` on a worker allows the thread to exit if this is the only
+         * active handle in the event system. If the worker is already `unref()`ed calling`unref()` again has no effect.
+         * @since v10.5.0
+         */
+        unref(): void;
+        /**
+         * Stop all JavaScript execution in the worker thread as soon as possible.
+         * Returns a Promise for the exit code that is fulfilled when the `'exit' event` is emitted.
+         * @since v10.5.0
+         */
+        terminate(): Promise<number>;
+        /**
+         * Returns a readable stream for a V8 snapshot of the current state of the Worker.
+         * See `v8.getHeapSnapshot()` for more details.
+         *
+         * If the Worker thread is no longer running, which may occur before the `'exit' event` is emitted, the returned `Promise` is rejected
+         * immediately with an `ERR_WORKER_NOT_RUNNING` error.
+         * @since v13.9.0, v12.17.0
+         * @return A promise for a Readable Stream containing a V8 heap snapshot
+         */
+        getHeapSnapshot(): Promise<Readable>;
+        addListener(event: 'error', listener: (err: Error) => void): this;
+        addListener(event: 'exit', listener: (exitCode: number) => void): this;
+        addListener(event: 'message', listener: (value: any) => void): this;
+        addListener(event: 'messageerror', listener: (error: Error) => void): this;
+        addListener(event: 'online', listener: () => void): this;
+        addListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        emit(event: 'error', err: Error): boolean;
+        emit(event: 'exit', exitCode: number): boolean;
+        emit(event: 'message', value: any): boolean;
+        emit(event: 'messageerror', error: Error): boolean;
+        emit(event: 'online'): boolean;
+        emit(event: string | symbol, ...args: any[]): boolean;
+        on(event: 'error', listener: (err: Error) => void): this;
+        on(event: 'exit', listener: (exitCode: number) => void): this;
+        on(event: 'message', listener: (value: any) => void): this;
+        on(event: 'messageerror', listener: (error: Error) => void): this;
+        on(event: 'online', listener: () => void): this;
+        on(event: string | symbol, listener: (...args: any[]) => void): this;
+        once(event: 'error', listener: (err: Error) => void): this;
+        once(event: 'exit', listener: (exitCode: number) => void): this;
+        once(event: 'message', listener: (value: any) => void): this;
+        once(event: 'messageerror', listener: (error: Error) => void): this;
+        once(event: 'online', listener: () => void): this;
+        once(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependListener(event: 'error', listener: (err: Error) => void): this;
+        prependListener(event: 'exit', listener: (exitCode: number) => void): this;
+        prependListener(event: 'message', listener: (value: any) => void): this;
+        prependListener(event: 'messageerror', listener: (error: Error) => void): this;
+        prependListener(event: 'online', listener: () => void): this;
+        prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        prependOnceListener(event: 'error', listener: (err: Error) => void): this;
+        prependOnceListener(event: 'exit', listener: (exitCode: number) => void): this;
+        prependOnceListener(event: 'message', listener: (value: any) => void): this;
+        prependOnceListener(event: 'messageerror', listener: (error: Error) => void): this;
+        prependOnceListener(event: 'online', listener: () => void): this;
+        prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        removeListener(event: 'error', listener: (err: Error) => void): this;
+        removeListener(event: 'exit', listener: (exitCode: number) => void): this;
+        removeListener(event: 'message', listener: (value: any) => void): this;
+        removeListener(event: 'messageerror', listener: (error: Error) => void): this;
+        removeListener(event: 'online', listener: () => void): this;
+        removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
+        off(event: 'error', listener: (err: Error) => void): this;
+        off(event: 'exit', listener: (exitCode: number) => void): this;
+        off(event: 'message', listener: (value: any) => void): this;
+        off(event: 'messageerror', listener: (error: Error) => void): this;
+        off(event: 'online', listener: () => void): this;
+        off(event: string | symbol, listener: (...args: any[]) => void): this;
+    }
+    interface BroadcastChannel extends NodeJS.RefCounted {}
+    /**
+     * Instances of `BroadcastChannel` allow asynchronous one-to-many communication
+     * with all other `BroadcastChannel` instances bound to the same channel name.
+     *
+     * ```js
+     * 'use strict';
+     *
+     * const {
+     *   isMainThread,
+     *   BroadcastChannel,
+     *   Worker
+     * } = require('worker_threads');
+     *
+     * const bc = new BroadcastChannel('hello');
+     *
+     * if (isMainThread) {
+     *   let c = 0;
+     *   bc.onmessage = (event) => {
+     *     console.log(event.data);
+     *     if (++c === 10) bc.close();
+     *   };
+     *   for (let n = 0; n < 10; n++)
+     *     new Worker(__filename);
+     * } else {
+     *   bc.postMessage('hello from every worker');
+     *   bc.close();
+     * }
+     * ```
+     * @since v15.4.0
+     */
+    class BroadcastChannel {
+        readonly name: string;
+        /**
+         * Invoked with a single \`MessageEvent\` argument when a message is received.
+         * @since v15.4.0
+         */
+        onmessage: (message: unknown) => void;
+        /**
+         * Invoked with a received message cannot be deserialized.
+         * @since v15.4.0
+         */
+        onmessageerror: (message: unknown) => void;
+        constructor(name: string);
+        /**
+         * Closes the `BroadcastChannel` connection.
+         * @since v15.4.0
+         */
+        close(): void;
+        /**
+         * @since v15.4.0
+         * @param message Any cloneable JavaScript value.
+         */
+        postMessage(message: unknown): void;
+    }
+    /**
+     * Mark an object as not transferable. If `object` occurs in the transfer list of
+     * a `port.postMessage()` call, it is ignored.
+     *
+     * In particular, this makes sense for objects that can be cloned, rather than
+     * transferred, and which are used by other objects on the sending side.
+     * For example, Node.js marks the `ArrayBuffer`s it uses for its `Buffer pool` with this.
+     *
+     * This operation cannot be undone.
+     *
+     * ```js
+     * const { MessageChannel, markAsUntransferable } = require('worker_threads');
+     *
+     * const pooledBuffer = new ArrayBuffer(8);
+     * const typedArray1 = new Uint8Array(pooledBuffer);
+     * const typedArray2 = new Float64Array(pooledBuffer);
+     *
+     * markAsUntransferable(pooledBuffer);
+     *
+     * const { port1 } = new MessageChannel();
+     * port1.postMessage(typedArray1, [ typedArray1.buffer ]);
+     *
+     * // The following line prints the contents of typedArray1 -- it still owns
+     * // its memory and has been cloned, not transferred. Without
+     * // `markAsUntransferable()`, this would print an empty Uint8Array.
+     * // typedArray2 is intact as well.
+     * console.log(typedArray1);
+     * console.log(typedArray2);
+     * ```
+     *
+     * There is no equivalent to this API in browsers.
+     * @since v14.5.0, v12.19.0
+     */
+    function markAsUntransferable(object: object): void;
+    /**
+     * Transfer a `MessagePort` to a different `vm` Context. The original `port`object is rendered unusable, and the returned `MessagePort` instance
+     * takes its place.
+     *
+     * The returned `MessagePort` is an object in the target context and
+     * inherits from its global `Object` class. Objects passed to the [`port.onmessage()`](https://developer.mozilla.org/en-US/docs/Web/API/MessagePort/onmessage) listener are also created in the
+     * target context
+     * and inherit from its global `Object` class.
+     *
+     * However, the created `MessagePort` no longer inherits from [`EventTarget`](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget), and only
+     * [`port.onmessage()`](https://developer.mozilla.org/en-US/docs/Web/API/MessagePort/onmessage) can be used to receive
+     * events using it.
+     * @since v11.13.0
+     * @param port The message port to transfer.
+     * @param contextifiedSandbox A `contextified` object as returned by the `vm.createContext()` method.
+     */
+    function moveMessagePortToContext(port: MessagePort, contextifiedSandbox: Context): MessagePort;
+    /**
+     * Receive a single message from a given `MessagePort`. If no message is available,`undefined` is returned, otherwise an object with a single `message` property
+     * that contains the message payload, corresponding to the oldest message in the`MessagePort`’s queue.
+     *
+     * ```js
+     * const { MessageChannel, receiveMessageOnPort } = require('worker_threads');
+     * const { port1, port2 } = new MessageChannel();
+     * port1.postMessage({ hello: 'world' });
+     *
+     * console.log(receiveMessageOnPort(port2));
+     * // Prints: { message: { hello: 'world' } }
+     * console.log(receiveMessageOnPort(port2));
+     * // Prints: undefined
+     * ```
+     *
+     * When this function is used, no `'message'` event is emitted and the`onmessage` listener is not invoked.
+     * @since v12.3.0
+     */
+    function receiveMessageOnPort(port: MessagePort):
+        | {
+              message: any;
+          }
+        | undefined;
+    type Serializable = string | object | number | boolean | bigint;
+    /**
+     * Within a worker thread, `worker.getEnvironmentData()` returns a clone
+     * of data passed to the spawning thread's `worker.setEnvironmentData()`.
+     * Every new `Worker` receives its own copy of the environment data
+     * automatically.
+     *
+     * ```js
+     * const {
+     *   Worker,
+     *   isMainThread,
+     *   setEnvironmentData,
+     *   getEnvironmentData,
+     * } = require('worker_threads');
+     *
+     * if (isMainThread) {
+     *   setEnvironmentData('Hello', 'World!');
+     *   const worker = new Worker(__filename);
+     * } else {
+     *   console.log(getEnvironmentData('Hello'));  // Prints 'World!'.
+     * }
+     * ```
+     * @since v15.12.0, v14.18.0
+     * @param key Any arbitrary, cloneable JavaScript value that can be used as a {Map} key.
+     */
+    function getEnvironmentData(key: Serializable): Serializable;
+    /**
+     * The `worker.setEnvironmentData()` API sets the content of`worker.getEnvironmentData()` in the current thread and all new `Worker`instances spawned from the current context.
+     * @since v15.12.0, v14.18.0
+     * @param key Any arbitrary, cloneable JavaScript value that can be used as a {Map} key.
+     * @param value Any arbitrary, cloneable JavaScript value that will be cloned and passed automatically to all new `Worker` instances. If `value` is passed as `undefined`, any previously set value
+     * for the `key` will be deleted.
+     */
+    function setEnvironmentData(key: Serializable, value: Serializable): void;
+}
+declare module 'node:worker_threads' {
+    export * from 'worker_threads';
+}
diff --git a/node_modules/@types/node/zlib.d.ts b/node_modules/@types/node/zlib.d.ts
new file mode 100644
index 000000000..1d7f0c0e5
--- /dev/null
+++ b/node_modules/@types/node/zlib.d.ts
@@ -0,0 +1,517 @@
+/**
+ * The `zlib` module provides compression functionality implemented using Gzip,
+ * Deflate/Inflate, and Brotli.
+ *
+ * To access it:
+ *
+ * ```js
+ * const zlib = require('zlib');
+ * ```
+ *
+ * Compression and decompression are built around the Node.js `Streams API`.
+ *
+ * Compressing or decompressing a stream (such as a file) can be accomplished by
+ * piping the source stream through a `zlib` `Transform` stream into a destination
+ * stream:
+ *
+ * ```js
+ * const { createGzip } = require('zlib');
+ * const { pipeline } = require('stream');
+ * const {
+ *   createReadStream,
+ *   createWriteStream
+ * } = require('fs');
+ *
+ * const gzip = createGzip();
+ * const source = createReadStream('input.txt');
+ * const destination = createWriteStream('input.txt.gz');
+ *
+ * pipeline(source, gzip, destination, (err) => {
+ *   if (err) {
+ *     console.error('An error occurred:', err);
+ *     process.exitCode = 1;
+ *   }
+ * });
+ *
+ * // Or, Promisified
+ *
+ * const { promisify } = require('util');
+ * const pipe = promisify(pipeline);
+ *
+ * async function do_gzip(input, output) {
+ *   const gzip = createGzip();
+ *   const source = createReadStream(input);
+ *   const destination = createWriteStream(output);
+ *   await pipe(source, gzip, destination);
+ * }
+ *
+ * do_gzip('input.txt', 'input.txt.gz')
+ *   .catch((err) => {
+ *     console.error('An error occurred:', err);
+ *     process.exitCode = 1;
+ *   });
+ * ```
+ *
+ * It is also possible to compress or decompress data in a single step:
+ *
+ * ```js
+ * const { deflate, unzip } = require('zlib');
+ *
+ * const input = '.................................';
+ * deflate(input, (err, buffer) => {
+ *   if (err) {
+ *     console.error('An error occurred:', err);
+ *     process.exitCode = 1;
+ *   }
+ *   console.log(buffer.toString('base64'));
+ * });
+ *
+ * const buffer = Buffer.from('eJzT0yMAAGTvBe8=', 'base64');
+ * unzip(buffer, (err, buffer) => {
+ *   if (err) {
+ *     console.error('An error occurred:', err);
+ *     process.exitCode = 1;
+ *   }
+ *   console.log(buffer.toString());
+ * });
+ *
+ * // Or, Promisified
+ *
+ * const { promisify } = require('util');
+ * const do_unzip = promisify(unzip);
+ *
+ * do_unzip(buffer)
+ *   .then((buf) => console.log(buf.toString()))
+ *   .catch((err) => {
+ *     console.error('An error occurred:', err);
+ *     process.exitCode = 1;
+ *   });
+ * ```
+ * @since v0.5.8
+ * @see [source](https://github.com/nodejs/node/blob/v18.0.0/lib/zlib.js)
+ */
+declare module 'zlib' {
+    import * as stream from 'node:stream';
+    interface ZlibOptions {
+        /**
+         * @default constants.Z_NO_FLUSH
+         */
+        flush?: number | undefined;
+        /**
+         * @default constants.Z_FINISH
+         */
+        finishFlush?: number | undefined;
+        /**
+         * @default 16*1024
+         */
+        chunkSize?: number | undefined;
+        windowBits?: number | undefined;
+        level?: number | undefined; // compression only
+        memLevel?: number | undefined; // compression only
+        strategy?: number | undefined; // compression only
+        dictionary?: NodeJS.ArrayBufferView | ArrayBuffer | undefined; // deflate/inflate only, empty dictionary by default
+        info?: boolean | undefined;
+        maxOutputLength?: number | undefined;
+    }
+    interface BrotliOptions {
+        /**
+         * @default constants.BROTLI_OPERATION_PROCESS
+         */
+        flush?: number | undefined;
+        /**
+         * @default constants.BROTLI_OPERATION_FINISH
+         */
+        finishFlush?: number | undefined;
+        /**
+         * @default 16*1024
+         */
+        chunkSize?: number | undefined;
+        params?:
+            | {
+                  /**
+                   * Each key is a `constants.BROTLI_*` constant.
+                   */
+                  [key: number]: boolean | number;
+              }
+            | undefined;
+        maxOutputLength?: number | undefined;
+    }
+    interface Zlib {
+        /** @deprecated Use bytesWritten instead. */
+        readonly bytesRead: number;
+        readonly bytesWritten: number;
+        shell?: boolean | string | undefined;
+        close(callback?: () => void): void;
+        flush(kind?: number, callback?: () => void): void;
+        flush(callback?: () => void): void;
+    }
+    interface ZlibParams {
+        params(level: number, strategy: number, callback: () => void): void;
+    }
+    interface ZlibReset {
+        reset(): void;
+    }
+    interface BrotliCompress extends stream.Transform, Zlib {}
+    interface BrotliDecompress extends stream.Transform, Zlib {}
+    interface Gzip extends stream.Transform, Zlib {}
+    interface Gunzip extends stream.Transform, Zlib {}
+    interface Deflate extends stream.Transform, Zlib, ZlibReset, ZlibParams {}
+    interface Inflate extends stream.Transform, Zlib, ZlibReset {}
+    interface DeflateRaw extends stream.Transform, Zlib, ZlibReset, ZlibParams {}
+    interface InflateRaw extends stream.Transform, Zlib, ZlibReset {}
+    interface Unzip extends stream.Transform, Zlib {}
+    /**
+     * Creates and returns a new `BrotliCompress` object.
+     * @since v11.7.0, v10.16.0
+     */
+    function createBrotliCompress(options?: BrotliOptions): BrotliCompress;
+    /**
+     * Creates and returns a new `BrotliDecompress` object.
+     * @since v11.7.0, v10.16.0
+     */
+    function createBrotliDecompress(options?: BrotliOptions): BrotliDecompress;
+    /**
+     * Creates and returns a new `Gzip` object.
+     * See `example`.
+     * @since v0.5.8
+     */
+    function createGzip(options?: ZlibOptions): Gzip;
+    /**
+     * Creates and returns a new `Gunzip` object.
+     * @since v0.5.8
+     */
+    function createGunzip(options?: ZlibOptions): Gunzip;
+    /**
+     * Creates and returns a new `Deflate` object.
+     * @since v0.5.8
+     */
+    function createDeflate(options?: ZlibOptions): Deflate;
+    /**
+     * Creates and returns a new `Inflate` object.
+     * @since v0.5.8
+     */
+    function createInflate(options?: ZlibOptions): Inflate;
+    /**
+     * Creates and returns a new `DeflateRaw` object.
+     *
+     * An upgrade of zlib from 1.2.8 to 1.2.11 changed behavior when `windowBits`is set to 8 for raw deflate streams. zlib would automatically set `windowBits`to 9 if was initially set to 8\. Newer
+     * versions of zlib will throw an exception,
+     * so Node.js restored the original behavior of upgrading a value of 8 to 9,
+     * since passing `windowBits = 9` to zlib actually results in a compressed stream
+     * that effectively uses an 8-bit window only.
+     * @since v0.5.8
+     */
+    function createDeflateRaw(options?: ZlibOptions): DeflateRaw;
+    /**
+     * Creates and returns a new `InflateRaw` object.
+     * @since v0.5.8
+     */
+    function createInflateRaw(options?: ZlibOptions): InflateRaw;
+    /**
+     * Creates and returns a new `Unzip` object.
+     * @since v0.5.8
+     */
+    function createUnzip(options?: ZlibOptions): Unzip;
+    type InputType = string | ArrayBuffer | NodeJS.ArrayBufferView;
+    type CompressCallback = (error: Error | null, result: Buffer) => void;
+    /**
+     * @since v11.7.0, v10.16.0
+     */
+    function brotliCompress(buf: InputType, options: BrotliOptions, callback: CompressCallback): void;
+    function brotliCompress(buf: InputType, callback: CompressCallback): void;
+    namespace brotliCompress {
+        function __promisify__(buffer: InputType, options?: BrotliOptions): Promise<Buffer>;
+    }
+    /**
+     * Compress a chunk of data with `BrotliCompress`.
+     * @since v11.7.0, v10.16.0
+     */
+    function brotliCompressSync(buf: InputType, options?: BrotliOptions): Buffer;
+    /**
+     * @since v11.7.0, v10.16.0
+     */
+    function brotliDecompress(buf: InputType, options: BrotliOptions, callback: CompressCallback): void;
+    function brotliDecompress(buf: InputType, callback: CompressCallback): void;
+    namespace brotliDecompress {
+        function __promisify__(buffer: InputType, options?: BrotliOptions): Promise<Buffer>;
+    }
+    /**
+     * Decompress a chunk of data with `BrotliDecompress`.
+     * @since v11.7.0, v10.16.0
+     */
+    function brotliDecompressSync(buf: InputType, options?: BrotliOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function deflate(buf: InputType, callback: CompressCallback): void;
+    function deflate(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace deflate {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Compress a chunk of data with `Deflate`.
+     * @since v0.11.12
+     */
+    function deflateSync(buf: InputType, options?: ZlibOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function deflateRaw(buf: InputType, callback: CompressCallback): void;
+    function deflateRaw(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace deflateRaw {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Compress a chunk of data with `DeflateRaw`.
+     * @since v0.11.12
+     */
+    function deflateRawSync(buf: InputType, options?: ZlibOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function gzip(buf: InputType, callback: CompressCallback): void;
+    function gzip(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace gzip {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Compress a chunk of data with `Gzip`.
+     * @since v0.11.12
+     */
+    function gzipSync(buf: InputType, options?: ZlibOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function gunzip(buf: InputType, callback: CompressCallback): void;
+    function gunzip(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace gunzip {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Decompress a chunk of data with `Gunzip`.
+     * @since v0.11.12
+     */
+    function gunzipSync(buf: InputType, options?: ZlibOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function inflate(buf: InputType, callback: CompressCallback): void;
+    function inflate(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace inflate {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Decompress a chunk of data with `Inflate`.
+     * @since v0.11.12
+     */
+    function inflateSync(buf: InputType, options?: ZlibOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function inflateRaw(buf: InputType, callback: CompressCallback): void;
+    function inflateRaw(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace inflateRaw {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Decompress a chunk of data with `InflateRaw`.
+     * @since v0.11.12
+     */
+    function inflateRawSync(buf: InputType, options?: ZlibOptions): Buffer;
+    /**
+     * @since v0.6.0
+     */
+    function unzip(buf: InputType, callback: CompressCallback): void;
+    function unzip(buf: InputType, options: ZlibOptions, callback: CompressCallback): void;
+    namespace unzip {
+        function __promisify__(buffer: InputType, options?: ZlibOptions): Promise<Buffer>;
+    }
+    /**
+     * Decompress a chunk of data with `Unzip`.
+     * @since v0.11.12
+     */
+    function unzipSync(buf: InputType, options?: ZlibOptions): Buffer;
+    namespace constants {
+        const BROTLI_DECODE: number;
+        const BROTLI_DECODER_ERROR_ALLOC_BLOCK_TYPE_TREES: number;
+        const BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MAP: number;
+        const BROTLI_DECODER_ERROR_ALLOC_CONTEXT_MODES: number;
+        const BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_1: number;
+        const BROTLI_DECODER_ERROR_ALLOC_RING_BUFFER_2: number;
+        const BROTLI_DECODER_ERROR_ALLOC_TREE_GROUPS: number;
+        const BROTLI_DECODER_ERROR_DICTIONARY_NOT_SET: number;
+        const BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_1: number;
+        const BROTLI_DECODER_ERROR_FORMAT_BLOCK_LENGTH_2: number;
+        const BROTLI_DECODER_ERROR_FORMAT_CL_SPACE: number;
+        const BROTLI_DECODER_ERROR_FORMAT_CONTEXT_MAP_REPEAT: number;
+        const BROTLI_DECODER_ERROR_FORMAT_DICTIONARY: number;
+        const BROTLI_DECODER_ERROR_FORMAT_DISTANCE: number;
+        const BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_META_NIBBLE: number;
+        const BROTLI_DECODER_ERROR_FORMAT_EXUBERANT_NIBBLE: number;
+        const BROTLI_DECODER_ERROR_FORMAT_HUFFMAN_SPACE: number;
+        const BROTLI_DECODER_ERROR_FORMAT_PADDING_1: number;
+        const BROTLI_DECODER_ERROR_FORMAT_PADDING_2: number;
+        const BROTLI_DECODER_ERROR_FORMAT_RESERVED: number;
+        const BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_ALPHABET: number;
+        const BROTLI_DECODER_ERROR_FORMAT_SIMPLE_HUFFMAN_SAME: number;
+        const BROTLI_DECODER_ERROR_FORMAT_TRANSFORM: number;
+        const BROTLI_DECODER_ERROR_FORMAT_WINDOW_BITS: number;
+        const BROTLI_DECODER_ERROR_INVALID_ARGUMENTS: number;
+        const BROTLI_DECODER_ERROR_UNREACHABLE: number;
+        const BROTLI_DECODER_NEEDS_MORE_INPUT: number;
+        const BROTLI_DECODER_NEEDS_MORE_OUTPUT: number;
+        const BROTLI_DECODER_NO_ERROR: number;
+        const BROTLI_DECODER_PARAM_DISABLE_RING_BUFFER_REALLOCATION: number;
+        const BROTLI_DECODER_PARAM_LARGE_WINDOW: number;
+        const BROTLI_DECODER_RESULT_ERROR: number;
+        const BROTLI_DECODER_RESULT_NEEDS_MORE_INPUT: number;
+        const BROTLI_DECODER_RESULT_NEEDS_MORE_OUTPUT: number;
+        const BROTLI_DECODER_RESULT_SUCCESS: number;
+        const BROTLI_DECODER_SUCCESS: number;
+        const BROTLI_DEFAULT_MODE: number;
+        const BROTLI_DEFAULT_QUALITY: number;
+        const BROTLI_DEFAULT_WINDOW: number;
+        const BROTLI_ENCODE: number;
+        const BROTLI_LARGE_MAX_WINDOW_BITS: number;
+        const BROTLI_MAX_INPUT_BLOCK_BITS: number;
+        const BROTLI_MAX_QUALITY: number;
+        const BROTLI_MAX_WINDOW_BITS: number;
+        const BROTLI_MIN_INPUT_BLOCK_BITS: number;
+        const BROTLI_MIN_QUALITY: number;
+        const BROTLI_MIN_WINDOW_BITS: number;
+        const BROTLI_MODE_FONT: number;
+        const BROTLI_MODE_GENERIC: number;
+        const BROTLI_MODE_TEXT: number;
+        const BROTLI_OPERATION_EMIT_METADATA: number;
+        const BROTLI_OPERATION_FINISH: number;
+        const BROTLI_OPERATION_FLUSH: number;
+        const BROTLI_OPERATION_PROCESS: number;
+        const BROTLI_PARAM_DISABLE_LITERAL_CONTEXT_MODELING: number;
+        const BROTLI_PARAM_LARGE_WINDOW: number;
+        const BROTLI_PARAM_LGBLOCK: number;
+        const BROTLI_PARAM_LGWIN: number;
+        const BROTLI_PARAM_MODE: number;
+        const BROTLI_PARAM_NDIRECT: number;
+        const BROTLI_PARAM_NPOSTFIX: number;
+        const BROTLI_PARAM_QUALITY: number;
+        const BROTLI_PARAM_SIZE_HINT: number;
+        const DEFLATE: number;
+        const DEFLATERAW: number;
+        const GUNZIP: number;
+        const GZIP: number;
+        const INFLATE: number;
+        const INFLATERAW: number;
+        const UNZIP: number;
+        // Allowed flush values.
+        const Z_NO_FLUSH: number;
+        const Z_PARTIAL_FLUSH: number;
+        const Z_SYNC_FLUSH: number;
+        const Z_FULL_FLUSH: number;
+        const Z_FINISH: number;
+        const Z_BLOCK: number;
+        const Z_TREES: number;
+        // Return codes for the compression/decompression functions.
+        // Negative values are errors, positive values are used for special but normal events.
+        const Z_OK: number;
+        const Z_STREAM_END: number;
+        const Z_NEED_DICT: number;
+        const Z_ERRNO: number;
+        const Z_STREAM_ERROR: number;
+        const Z_DATA_ERROR: number;
+        const Z_MEM_ERROR: number;
+        const Z_BUF_ERROR: number;
+        const Z_VERSION_ERROR: number;
+        // Compression levels.
+        const Z_NO_COMPRESSION: number;
+        const Z_BEST_SPEED: number;
+        const Z_BEST_COMPRESSION: number;
+        const Z_DEFAULT_COMPRESSION: number;
+        // Compression strategy.
+        const Z_FILTERED: number;
+        const Z_HUFFMAN_ONLY: number;
+        const Z_RLE: number;
+        const Z_FIXED: number;
+        const Z_DEFAULT_STRATEGY: number;
+        const Z_DEFAULT_WINDOWBITS: number;
+        const Z_MIN_WINDOWBITS: number;
+        const Z_MAX_WINDOWBITS: number;
+        const Z_MIN_CHUNK: number;
+        const Z_MAX_CHUNK: number;
+        const Z_DEFAULT_CHUNK: number;
+        const Z_MIN_MEMLEVEL: number;
+        const Z_MAX_MEMLEVEL: number;
+        const Z_DEFAULT_MEMLEVEL: number;
+        const Z_MIN_LEVEL: number;
+        const Z_MAX_LEVEL: number;
+        const Z_DEFAULT_LEVEL: number;
+        const ZLIB_VERNUM: number;
+    }
+    // Allowed flush values.
+    /** @deprecated Use `constants.Z_NO_FLUSH` */
+    const Z_NO_FLUSH: number;
+    /** @deprecated Use `constants.Z_PARTIAL_FLUSH` */
+    const Z_PARTIAL_FLUSH: number;
+    /** @deprecated Use `constants.Z_SYNC_FLUSH` */
+    const Z_SYNC_FLUSH: number;
+    /** @deprecated Use `constants.Z_FULL_FLUSH` */
+    const Z_FULL_FLUSH: number;
+    /** @deprecated Use `constants.Z_FINISH` */
+    const Z_FINISH: number;
+    /** @deprecated Use `constants.Z_BLOCK` */
+    const Z_BLOCK: number;
+    /** @deprecated Use `constants.Z_TREES` */
+    const Z_TREES: number;
+    // Return codes for the compression/decompression functions.
+    // Negative values are errors, positive values are used for special but normal events.
+    /** @deprecated Use `constants.Z_OK` */
+    const Z_OK: number;
+    /** @deprecated Use `constants.Z_STREAM_END` */
+    const Z_STREAM_END: number;
+    /** @deprecated Use `constants.Z_NEED_DICT` */
+    const Z_NEED_DICT: number;
+    /** @deprecated Use `constants.Z_ERRNO` */
+    const Z_ERRNO: number;
+    /** @deprecated Use `constants.Z_STREAM_ERROR` */
+    const Z_STREAM_ERROR: number;
+    /** @deprecated Use `constants.Z_DATA_ERROR` */
+    const Z_DATA_ERROR: number;
+    /** @deprecated Use `constants.Z_MEM_ERROR` */
+    const Z_MEM_ERROR: number;
+    /** @deprecated Use `constants.Z_BUF_ERROR` */
+    const Z_BUF_ERROR: number;
+    /** @deprecated Use `constants.Z_VERSION_ERROR` */
+    const Z_VERSION_ERROR: number;
+    // Compression levels.
+    /** @deprecated Use `constants.Z_NO_COMPRESSION` */
+    const Z_NO_COMPRESSION: number;
+    /** @deprecated Use `constants.Z_BEST_SPEED` */
+    const Z_BEST_SPEED: number;
+    /** @deprecated Use `constants.Z_BEST_COMPRESSION` */
+    const Z_BEST_COMPRESSION: number;
+    /** @deprecated Use `constants.Z_DEFAULT_COMPRESSION` */
+    const Z_DEFAULT_COMPRESSION: number;
+    // Compression strategy.
+    /** @deprecated Use `constants.Z_FILTERED` */
+    const Z_FILTERED: number;
+    /** @deprecated Use `constants.Z_HUFFMAN_ONLY` */
+    const Z_HUFFMAN_ONLY: number;
+    /** @deprecated Use `constants.Z_RLE` */
+    const Z_RLE: number;
+    /** @deprecated Use `constants.Z_FIXED` */
+    const Z_FIXED: number;
+    /** @deprecated Use `constants.Z_DEFAULT_STRATEGY` */
+    const Z_DEFAULT_STRATEGY: number;
+    /** @deprecated */
+    const Z_BINARY: number;
+    /** @deprecated */
+    const Z_TEXT: number;
+    /** @deprecated */
+    const Z_ASCII: number;
+    /** @deprecated  */
+    const Z_UNKNOWN: number;
+    /** @deprecated */
+    const Z_DEFLATED: number;
+}
+declare module 'node:zlib' {
+    export * from 'zlib';
+}
diff --git a/node_modules/@types/webidl-conversions/LICENSE b/node_modules/@types/webidl-conversions/LICENSE
new file mode 100644
index 000000000..9e841e7a2
--- /dev/null
+++ b/node_modules/@types/webidl-conversions/LICENSE
@@ -0,0 +1,21 @@
+    MIT License
+
+    Copyright (c) Microsoft Corporation.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE
diff --git a/node_modules/@types/webidl-conversions/README.md b/node_modules/@types/webidl-conversions/README.md
new file mode 100644
index 000000000..d0a3931aa
--- /dev/null
+++ b/node_modules/@types/webidl-conversions/README.md
@@ -0,0 +1,16 @@
+# Installation
+> `npm install --save @types/webidl-conversions`
+
+# Summary
+This package contains type definitions for webidl-conversions (https://github.com/jsdom/webidl-conversions#readme).
+
+# Details
+Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/webidl-conversions.
+
+### Additional Details
+ * Last updated: Mon, 29 Aug 2022 23:32:44 GMT
+ * Dependencies: none
+ * Global values: none
+
+# Credits
+These definitions were written by [ExE Boss](https://github.com/ExE-Boss), and [BendingBender](https://github.com/BendingBender).
diff --git a/node_modules/@types/webidl-conversions/index.d.ts b/node_modules/@types/webidl-conversions/index.d.ts
new file mode 100644
index 000000000..ba90653db
--- /dev/null
+++ b/node_modules/@types/webidl-conversions/index.d.ts
@@ -0,0 +1,97 @@
+// Type definitions for webidl-conversions 7.0
+// Project: https://github.com/jsdom/webidl-conversions#readme
+// Definitions by: ExE Boss <https://github.com/ExE-Boss>
+//                 BendingBender <https://github.com/BendingBender>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare namespace WebIDLConversions {
+    interface Globals {
+        [key: string]: unknown;
+
+        Number: (value?: unknown) => number;
+        String: (value?: unknown) => string;
+        TypeError: new (message?: string) => TypeError;
+    }
+
+    interface Options {
+        context?: string | undefined;
+        globals?: Globals | undefined;
+    }
+
+    interface IntegerOptions extends Options {
+        enforceRange?: boolean | undefined;
+        clamp?: boolean | undefined;
+    }
+
+    interface StringOptions extends Options {
+        treatNullAsEmptyString?: boolean | undefined;
+    }
+
+    interface BufferSourceOptions extends Options {
+        allowShared?: boolean | undefined;
+    }
+
+    type IntegerConversion = (V: unknown, opts?: IntegerOptions) => number;
+    type StringConversion = (V: unknown, opts?: StringOptions) => string;
+    type NumberConversion = (V: unknown, opts?: Options) => number;
+}
+
+declare const WebIDLConversions: {
+    any<V>(V: V, opts?: WebIDLConversions.Options): V;
+    undefined(V?: unknown, opts?: WebIDLConversions.Options): void;
+    boolean(V: unknown, opts?: WebIDLConversions.Options): boolean;
+
+    byte(V: unknown, opts?: WebIDLConversions.IntegerOptions): number;
+    octet(V: unknown, opts?: WebIDLConversions.IntegerOptions): number;
+
+    short(V: unknown, opts?: WebIDLConversions.IntegerOptions): number;
+    ['unsigned short'](V: unknown, opts?: WebIDLConversions.IntegerOptions): number;
+
+    long(V: unknown, opts?: WebIDLConversions.IntegerOptions): number;
+    ['unsigned long'](V: unknown, opts?: WebIDLConversions.IntegerOptions): number;
+
+    ['long long'](V: unknown, opts?: WebIDLConversions.IntegerOptions): number;
+    ['unsigned long long'](V: unknown, opts?: WebIDLConversions.IntegerOptions): number;
+
+    double(V: unknown, opts?: WebIDLConversions.Options): number;
+    ['unrestricted double'](V: unknown, opts?: WebIDLConversions.Options): number;
+
+    float(V: unknown, opts?: WebIDLConversions.Options): number;
+    ['unrestricted float'](V: unknown, opts?: WebIDLConversions.Options): number;
+
+    DOMString(V: unknown, opts?: WebIDLConversions.StringOptions): string;
+    ByteString(V: unknown, opts?: WebIDLConversions.StringOptions): string;
+    USVString(V: unknown, opts?: WebIDLConversions.StringOptions): string;
+
+    object<V>(V: V, opts?: WebIDLConversions.Options): V extends object ? V : V & object;
+    ArrayBuffer(
+        V: unknown,
+        opts?: WebIDLConversions.BufferSourceOptions & { allowShared?: false | undefined },
+    ): ArrayBuffer;
+    ArrayBuffer(V: unknown, opts?: WebIDLConversions.BufferSourceOptions): ArrayBufferLike;
+    DataView(V: unknown, opts?: WebIDLConversions.BufferSourceOptions): DataView;
+
+    Int8Array(V: unknown, opts?: WebIDLConversions.BufferSourceOptions): Int8Array;
+    Int16Array(V: unknown, opts?: WebIDLConversions.BufferSourceOptions): Int16Array;
+    Int32Array(V: unknown, opts?: WebIDLConversions.BufferSourceOptions): Int32Array;
+
+    Uint8Array(V: unknown, opts?: WebIDLConversions.BufferSourceOptions): Uint8Array;
+    Uint16Array(V: unknown, opts?: WebIDLConversions.BufferSourceOptions): Uint16Array;
+    Uint32Array(V: unknown, opts?: WebIDLConversions.BufferSourceOptions): Uint32Array;
+    Uint8ClampedArray(V: unknown, opts?: WebIDLConversions.BufferSourceOptions): Uint8ClampedArray;
+
+    Float32Array(V: unknown, opts?: WebIDLConversions.BufferSourceOptions): Float32Array;
+    Float64Array(V: unknown, opts?: WebIDLConversions.BufferSourceOptions): Float64Array;
+
+    ArrayBufferView(V: unknown, opts?: WebIDLConversions.BufferSourceOptions): ArrayBufferView;
+    BufferSource(
+        V: unknown,
+        opts?: WebIDLConversions.BufferSourceOptions & { allowShared?: false | undefined },
+    ): ArrayBuffer | ArrayBufferView;
+    BufferSource(V: unknown, opts?: WebIDLConversions.BufferSourceOptions): ArrayBufferLike | ArrayBufferView;
+
+    DOMTimeStamp(V: unknown, opts?: WebIDLConversions.Options): number;
+};
+
+// This can't use ES6 style exports, as those can't have spaces in export names.
+export = WebIDLConversions;
diff --git a/node_modules/@types/webidl-conversions/package.json b/node_modules/@types/webidl-conversions/package.json
new file mode 100644
index 000000000..900703337
--- /dev/null
+++ b/node_modules/@types/webidl-conversions/package.json
@@ -0,0 +1,30 @@
+{
+    "name": "@types/webidl-conversions",
+    "version": "7.0.0",
+    "description": "TypeScript definitions for webidl-conversions",
+    "homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/webidl-conversions",
+    "license": "MIT",
+    "contributors": [
+        {
+            "name": "ExE Boss",
+            "url": "https://github.com/ExE-Boss",
+            "githubUsername": "ExE-Boss"
+        },
+        {
+            "name": "BendingBender",
+            "url": "https://github.com/BendingBender",
+            "githubUsername": "BendingBender"
+        }
+    ],
+    "main": "",
+    "types": "index.d.ts",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/DefinitelyTyped/DefinitelyTyped.git",
+        "directory": "types/webidl-conversions"
+    },
+    "scripts": {},
+    "dependencies": {},
+    "typesPublisherContentHash": "e0992101980ba36c2f7240b4be2fd23d4ea0c812f8b3c9149d2efcfce2201d3b",
+    "typeScriptVersion": "4.0"
+}
\ No newline at end of file
diff --git a/node_modules/@types/whatwg-url/LICENSE b/node_modules/@types/whatwg-url/LICENSE
new file mode 100644
index 000000000..9e841e7a2
--- /dev/null
+++ b/node_modules/@types/whatwg-url/LICENSE
@@ -0,0 +1,21 @@
+    MIT License
+
+    Copyright (c) Microsoft Corporation.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE
diff --git a/node_modules/@types/whatwg-url/README.md b/node_modules/@types/whatwg-url/README.md
new file mode 100644
index 000000000..41143c4e1
--- /dev/null
+++ b/node_modules/@types/whatwg-url/README.md
@@ -0,0 +1,16 @@
+# Installation
+> `npm install --save @types/whatwg-url`
+
+# Summary
+This package contains type definitions for whatwg-url (https://github.com/jsdom/whatwg-url#readme).
+
+# Details
+Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/whatwg-url.
+
+### Additional Details
+ * Last updated: Tue, 21 Jun 2022 16:31:40 GMT
+ * Dependencies: [@types/webidl-conversions](https://npmjs.com/package/@types/webidl-conversions), [@types/node](https://npmjs.com/package/@types/node)
+ * Global values: none
+
+# Credits
+These definitions were written by [Alexander Marks](https://github.com/aomarks), and [ExE Boss](https://github.com/ExE-Boss).
diff --git a/node_modules/@types/whatwg-url/dist/URL-impl.d.ts b/node_modules/@types/whatwg-url/dist/URL-impl.d.ts
new file mode 100644
index 000000000..ae739464c
--- /dev/null
+++ b/node_modules/@types/whatwg-url/dist/URL-impl.d.ts
@@ -0,0 +1,23 @@
+declare class URLImpl {
+    constructor(
+        globalObject: object,
+        constructorArgs: readonly [url: string, base?: string],
+        privateData?: {},
+    );
+
+    href: string;
+    readonly origin: string;
+    protocol: string;
+    username: string;
+    password: string;
+    host: string;
+    hostname: string;
+    port: string;
+    pathname: string;
+    search: string;
+    readonly searchParams: URLSearchParams;
+    hash: string;
+
+    toJSON(): string;
+}
+export { URLImpl as implementation };
diff --git a/node_modules/@types/whatwg-url/dist/URL.d.ts b/node_modules/@types/whatwg-url/dist/URL.d.ts
new file mode 100644
index 000000000..47f092af1
--- /dev/null
+++ b/node_modules/@types/whatwg-url/dist/URL.d.ts
@@ -0,0 +1,76 @@
+import { Options as WebIDLConversionOptions } from "webidl-conversions";
+import { URL } from "../index";
+import { implementation as URLImpl } from "./URL-impl";
+
+/**
+ * Checks whether `obj` is a `URL` object with an implementation
+ * provided by this package.
+ */
+export function is(obj: unknown): obj is URL;
+
+/**
+ * Checks whether `obj` is a `URLImpl` WebIDL2JS implementation object
+ * provided by this package.
+ */
+export function isImpl(obj: unknown): obj is URLImpl;
+
+/**
+ * Converts the `URL` wrapper into a `URLImpl` object.
+ *
+ * @throws {TypeError} If `obj` is not a `URL` wrapper instance provided by this package.
+ */
+export function convert(obj: unknown, options?: WebIDLConversionOptions): URLImpl;
+
+/**
+ * Creates a new `URL` instance.
+ *
+ * @throws {Error} If the `globalObject` doesn't have a WebIDL2JS constructor
+ *         registry or a `URL` constructor provided by this package
+ *         in the WebIDL2JS constructor registry.
+ */
+export function create(
+    globalObject: object,
+    constructorArgs: readonly [url: string, base?: string],
+    privateData?: {},
+): URL;
+
+/**
+ * Calls `create()` and returns the internal `URLImpl`.
+ *
+ * @throws {Error} If the `globalObject` doesn't have a WebIDL2JS constructor
+ *         registry or a `URL` constructor provided by this package
+ *         in the WebIDL2JS constructor registry.
+ */
+export function createImpl(
+    globalObject: object,
+    constructorArgs: readonly [url: string, base?: string],
+    privateData?: {},
+): URLImpl;
+
+/**
+ * Initializes the `URL` instance, called by `create()`.
+ *
+ * Useful when manually sub-classing a non-constructable wrapper object.
+ */
+export function setup<T extends URL>(
+    obj: T,
+    globalObject: object,
+    constructorArgs: readonly [url: string, base?: string],
+    privateData?: {},
+): T;
+
+/**
+ * Creates a new `URL` object without runing the constructor steps.
+ *
+ * Useful when implementing specifications that initialize objects
+ * in different ways than their constructors do.
+ */
+declare function _new(globalObject: object): URLImpl;
+export { _new as new };
+
+/**
+ * Installs the `URL` constructor onto the `globalObject`.
+ *
+ * @throws {Error} If the target `globalObject` doesn't have an `Error` constructor.
+ */
+export function install(globalObject: object, globalNames: readonly string[]): void;
diff --git a/node_modules/@types/whatwg-url/dist/URLSearchParams-impl.d.ts b/node_modules/@types/whatwg-url/dist/URLSearchParams-impl.d.ts
new file mode 100644
index 000000000..3464b87d0
--- /dev/null
+++ b/node_modules/@types/whatwg-url/dist/URLSearchParams-impl.d.ts
@@ -0,0 +1,23 @@
+declare class URLSearchParamsImpl {
+    constructor(
+        globalObject: object,
+        constructorArgs: readonly [
+            init?:
+                | ReadonlyArray<readonly [name: string, value: string]>
+                | { readonly [name: string]: string }
+                | string,
+        ],
+        privateData: { readonly doNotStripQMark?: boolean | undefined },
+    );
+
+    append(name: string, value: string): void;
+    delete(name: string): void;
+    get(name: string): string | null;
+    getAll(name: string): string[];
+    has(name: string): boolean;
+    set(name: string, value: string): void;
+    sort(): void;
+
+    [Symbol.iterator](): IterableIterator<[name: string, value: string]>;
+}
+export { URLSearchParamsImpl as implementation };
diff --git a/node_modules/@types/whatwg-url/dist/URLSearchParams.d.ts b/node_modules/@types/whatwg-url/dist/URLSearchParams.d.ts
new file mode 100644
index 000000000..c37585caf
--- /dev/null
+++ b/node_modules/@types/whatwg-url/dist/URLSearchParams.d.ts
@@ -0,0 +1,91 @@
+import { Options as WebIDLConversionOptions } from "webidl-conversions";
+import { URLSearchParams } from "../index";
+import { implementation as URLSearchParamsImpl } from "./URLSearchParams-impl";
+
+/**
+ * Checks whether `obj` is a `URLSearchParams` object with an implementation
+ * provided by this package.
+ */
+export function is(obj: unknown): obj is URLSearchParams;
+
+/**
+ * Checks whether `obj` is a `URLSearchParamsImpl` WebIDL2JS implementation object
+ * provided by this package.
+ */
+export function isImpl(obj: unknown): obj is URLSearchParamsImpl;
+
+/**
+ * Converts the `URLSearchParams` wrapper into a `URLSearchParamsImpl` object.
+ *
+ * @throws {TypeError} If `obj` is not a `URLSearchParams` wrapper instance provided by this package.
+ */
+export function convert(obj: unknown, options?: WebIDLConversionOptions): URLSearchParamsImpl;
+
+/**
+ * Creates a new `URLSearchParams` instance.
+ *
+ * @throws {Error} If the `globalObject` doesn't have a WebIDL2JS constructor
+ *         registry or a `URLSearchParams` constructor provided by this package
+ *         in the WebIDL2JS constructor registry.
+ */
+export function create(
+    globalObject: object,
+    constructorArgs?: readonly [
+        init:
+            | ReadonlyArray<[name: string, value: string]>
+            | { readonly [name: string]: string }
+            | string,
+    ],
+    privateData?: { doNotStripQMark?: boolean | undefined },
+): URLSearchParams;
+
+/**
+ * Calls `create()` and returns the internal `URLSearchParamsImpl`.
+ *
+ * @throws {Error} If the `globalObject` doesn't have a WebIDL2JS constructor
+ *         registry or a `URLSearchParams` constructor provided by this package
+ *         in the WebIDL2JS constructor registry.
+ */
+export function createImpl(
+    globalObject: object,
+    constructorArgs?: readonly [
+        init:
+            | ReadonlyArray<[name: string, value: string]>
+            | { readonly [name: string]: string }
+            | string,
+    ],
+    privateData?: { doNotStripQMark?: boolean | undefined },
+): URLSearchParamsImpl;
+
+/**
+ * Initializes the `URLSearchParams` instance, called by `create()`.
+ *
+ * Useful when manually sub-classing a non-constructable wrapper object.
+ */
+export function setup<T extends URLSearchParams>(
+    obj: T,
+    globalObject: object,
+    constructorArgs?: readonly [
+        init:
+            | ReadonlyArray<[name: string, value: string]>
+            | { readonly [name: string]: string }
+            | string,
+    ],
+    privateData?: { doNotStripQMark?: boolean | undefined },
+): T;
+
+/**
+ * Creates a new `URLSearchParams` object without runing the constructor steps.
+ *
+ * Useful when implementing specifications that initialize objects
+ * in different ways than their constructors do.
+ */
+declare function _new(globalObject: object): URLSearchParamsImpl;
+export { _new as new };
+
+/**
+ * Installs the `URLSearchParams` constructor onto the `globalObject`.
+ *
+ * @throws {Error} If the target `globalObject` doesn't have an `Error` constructor.
+ */
+export function install(globalObject: object, globalNames: readonly string[]): void;
diff --git a/node_modules/@types/whatwg-url/index.d.ts b/node_modules/@types/whatwg-url/index.d.ts
new file mode 100644
index 000000000..3613a962b
--- /dev/null
+++ b/node_modules/@types/whatwg-url/index.d.ts
@@ -0,0 +1,162 @@
+// Type definitions for whatwg-url 8.2
+// Project: https://github.com/jsdom/whatwg-url#readme
+// Definitions by: Alexander Marks <https://github.com/aomarks>
+//                 ExE Boss <https://github.com/ExE-Boss>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// Minimum TypeScript Version: 3.6
+
+/// <reference types="node"/>
+
+/** https://url.spec.whatwg.org/#url-representation */
+export interface URLRecord {
+    scheme: string;
+    username: string;
+    password: string;
+    host: string | number | IPv6Address | null;
+    port: number | null;
+    path: string[];
+    query: string | null;
+    fragment: string | null;
+    cannotBeABaseURL?: boolean | undefined;
+}
+
+/** https://url.spec.whatwg.org/#concept-ipv6 */
+export type IPv6Address = [number, number, number, number, number, number, number, number];
+
+/** https://url.spec.whatwg.org/#url-class */
+export class URL {
+    constructor(url: string, base?: string | URL);
+
+    get href(): string;
+    set href(V: string);
+
+    get origin(): string;
+
+    get protocol(): string;
+    set protocol(V: string);
+
+    get username(): string;
+    set username(V: string);
+
+    get password(): string;
+    set password(V: string);
+
+    get host(): string;
+    set host(V: string);
+
+    get hostname(): string;
+    set hostname(V: string);
+
+    get port(): string;
+    set port(V: string);
+
+    get pathname(): string;
+    set pathname(V: string);
+
+    get search(): string;
+    set search(V: string);
+
+    get searchParams(): URLSearchParams;
+
+    get hash(): string;
+    set hash(V: string);
+
+    toJSON(): string;
+
+    readonly [Symbol.toStringTag]: "URL";
+}
+
+/** https://url.spec.whatwg.org/#interface-urlsearchparams */
+export class URLSearchParams {
+    constructor(
+        init?:
+            | ReadonlyArray<readonly [name: string, value: string]>
+            | Iterable<readonly [name: string, value: string]>
+            | { readonly [name: string]: string }
+            | string,
+    );
+
+    append(name: string, value: string): void;
+    delete(name: string): void;
+    get(name: string): string | null;
+    getAll(name: string): string[];
+    has(name: string): boolean;
+    set(name: string, value: string): void;
+    sort(): void;
+
+    keys(): IterableIterator<string>;
+    values(): IterableIterator<string>;
+    entries(): IterableIterator<[name: string, value: string]>;
+    forEach<THIS_ARG = void>(
+        callback: (this: THIS_ARG, value: string, name: string, searchParams: this) => void,
+        thisArg?: THIS_ARG,
+    ): void;
+
+    readonly [Symbol.toStringTag]: "URLSearchParams";
+    [Symbol.iterator](): IterableIterator<[name: string, value: string]>;
+}
+
+/** https://url.spec.whatwg.org/#concept-url-parser */
+export function parseURL(
+    input: string,
+    options?: { readonly baseURL?: string | undefined; readonly encodingOverride?: string | undefined },
+): URLRecord | null;
+
+/** https://url.spec.whatwg.org/#concept-basic-url-parser */
+export function basicURLParse(
+    input: string,
+    options?: {
+        baseURL?: string | undefined;
+        encodingOverride?: string | undefined;
+        url?: URLRecord | undefined;
+        stateOverride?: StateOverride | undefined;
+    },
+): URLRecord | null;
+
+/** https://url.spec.whatwg.org/#scheme-start-state */
+export type StateOverride =
+    | "scheme start"
+    | "scheme"
+    | "no scheme"
+    | "special relative or authority"
+    | "path or authority"
+    | "relative"
+    | "relative slash"
+    | "special authority slashes"
+    | "special authority ignore slashes"
+    | "authority"
+    | "host"
+    | "hostname"
+    | "port"
+    | "file"
+    | "file slash"
+    | "file host"
+    | "path start"
+    | "path"
+    | "cannot-be-a-base-URL path"
+    | "query"
+    | "fragment";
+
+/** https://url.spec.whatwg.org/#concept-url-serializer */
+export function serializeURL(urlRecord: URLRecord, excludeFragment?: boolean): string;
+
+/** https://url.spec.whatwg.org/#concept-host-serializer */
+export function serializeHost(host: string | number | IPv6Address): string;
+
+/** https://url.spec.whatwg.org/#serialize-an-integer */
+export function serializeInteger(number: number): string;
+
+/** https://html.spec.whatwg.org#ascii-serialisation-of-an-origin */
+export function serializeURLOrigin(urlRecord: URLRecord): string;
+
+/** https://url.spec.whatwg.org/#set-the-username */
+export function setTheUsername(urlRecord: URLRecord, username: string): void;
+
+/** https://url.spec.whatwg.org/#set-the-password */
+export function setThePassword(urlRecord: URLRecord, password: string): void;
+
+/** https://url.spec.whatwg.org/#cannot-have-a-username-password-port */
+export function cannotHaveAUsernamePasswordPort(urlRecord: URLRecord): boolean;
+
+/** https://url.spec.whatwg.org/#percent-decode */
+export function percentDecode(buffer: Extract<NodeJS.TypedArray, ArrayLike<number>>): Buffer;
diff --git a/node_modules/@types/whatwg-url/package.json b/node_modules/@types/whatwg-url/package.json
new file mode 100644
index 000000000..120d4906a
--- /dev/null
+++ b/node_modules/@types/whatwg-url/package.json
@@ -0,0 +1,33 @@
+{
+    "name": "@types/whatwg-url",
+    "version": "8.2.2",
+    "description": "TypeScript definitions for whatwg-url",
+    "homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/whatwg-url",
+    "license": "MIT",
+    "contributors": [
+        {
+            "name": "Alexander Marks",
+            "url": "https://github.com/aomarks",
+            "githubUsername": "aomarks"
+        },
+        {
+            "name": "ExE Boss",
+            "url": "https://github.com/ExE-Boss",
+            "githubUsername": "ExE-Boss"
+        }
+    ],
+    "main": "",
+    "types": "index.d.ts",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/DefinitelyTyped/DefinitelyTyped.git",
+        "directory": "types/whatwg-url"
+    },
+    "scripts": {},
+    "dependencies": {
+        "@types/node": "*",
+        "@types/webidl-conversions": "*"
+    },
+    "typesPublisherContentHash": "ea85d67c501583ff421cfbf206fafac0410c464edef169a6d88e06ecfe226dfc",
+    "typeScriptVersion": "4.0"
+}
\ No newline at end of file
diff --git a/node_modules/@types/whatwg-url/webidl2js-wrapper.d.ts b/node_modules/@types/whatwg-url/webidl2js-wrapper.d.ts
new file mode 100644
index 000000000..3b39af8df
--- /dev/null
+++ b/node_modules/@types/whatwg-url/webidl2js-wrapper.d.ts
@@ -0,0 +1,4 @@
+import * as URL from "./dist/URL";
+import * as URLSearchParams from "./dist/URLSearchParams";
+
+export { URL, URLSearchParams };
diff --git a/node_modules/accepts/HISTORY.md b/node_modules/accepts/HISTORY.md
new file mode 100644
index 000000000..cb5990c7c
--- /dev/null
+++ b/node_modules/accepts/HISTORY.md
@@ -0,0 +1,243 @@
+1.3.8 / 2022-02-02
+==================
+
+  * deps: mime-types@~2.1.34
+    - deps: mime-db@~1.51.0
+  * deps: negotiator@0.6.3
+
+1.3.7 / 2019-04-29
+==================
+
+  * deps: negotiator@0.6.2
+    - Fix sorting charset, encoding, and language with extra parameters
+
+1.3.6 / 2019-04-28
+==================
+
+  * deps: mime-types@~2.1.24
+    - deps: mime-db@~1.40.0
+
+1.3.5 / 2018-02-28
+==================
+
+  * deps: mime-types@~2.1.18
+    - deps: mime-db@~1.33.0
+
+1.3.4 / 2017-08-22
+==================
+
+  * deps: mime-types@~2.1.16
+    - deps: mime-db@~1.29.0
+
+1.3.3 / 2016-05-02
+==================
+
+  * deps: mime-types@~2.1.11
+    - deps: mime-db@~1.23.0
+  * deps: negotiator@0.6.1
+    - perf: improve `Accept` parsing speed
+    - perf: improve `Accept-Charset` parsing speed
+    - perf: improve `Accept-Encoding` parsing speed
+    - perf: improve `Accept-Language` parsing speed
+
+1.3.2 / 2016-03-08
+==================
+
+  * deps: mime-types@~2.1.10
+    - Fix extension of `application/dash+xml`
+    - Update primary extension for `audio/mp4`
+    - deps: mime-db@~1.22.0
+
+1.3.1 / 2016-01-19
+==================
+
+  * deps: mime-types@~2.1.9
+    - deps: mime-db@~1.21.0
+
+1.3.0 / 2015-09-29
+==================
+
+  * deps: mime-types@~2.1.7
+    - deps: mime-db@~1.19.0
+  * deps: negotiator@0.6.0
+    - Fix including type extensions in parameters in `Accept` parsing
+    - Fix parsing `Accept` parameters with quoted equals
+    - Fix parsing `Accept` parameters with quoted semicolons
+    - Lazy-load modules from main entry point
+    - perf: delay type concatenation until needed
+    - perf: enable strict mode
+    - perf: hoist regular expressions
+    - perf: remove closures getting spec properties
+    - perf: remove a closure from media type parsing
+    - perf: remove property delete from media type parsing
+
+1.2.13 / 2015-09-06
+===================
+
+  * deps: mime-types@~2.1.6
+    - deps: mime-db@~1.18.0
+
+1.2.12 / 2015-07-30
+===================
+
+  * deps: mime-types@~2.1.4
+    - deps: mime-db@~1.16.0
+
+1.2.11 / 2015-07-16
+===================
+
+  * deps: mime-types@~2.1.3
+    - deps: mime-db@~1.15.0
+
+1.2.10 / 2015-07-01
+===================
+
+  * deps: mime-types@~2.1.2
+    - deps: mime-db@~1.14.0
+
+1.2.9 / 2015-06-08
+==================
+
+  * deps: mime-types@~2.1.1
+    - perf: fix deopt during mapping
+
+1.2.8 / 2015-06-07
+==================
+
+  * deps: mime-types@~2.1.0
+    - deps: mime-db@~1.13.0
+  * perf: avoid argument reassignment & argument slice
+  * perf: avoid negotiator recursive construction
+  * perf: enable strict mode
+  * perf: remove unnecessary bitwise operator
+
+1.2.7 / 2015-05-10
+==================
+
+  * deps: negotiator@0.5.3
+    - Fix media type parameter matching to be case-insensitive
+
+1.2.6 / 2015-05-07
+==================
+
+  * deps: mime-types@~2.0.11
+    - deps: mime-db@~1.9.1
+  * deps: negotiator@0.5.2
+    - Fix comparing media types with quoted values
+    - Fix splitting media types with quoted commas
+
+1.2.5 / 2015-03-13
+==================
+
+  * deps: mime-types@~2.0.10
+    - deps: mime-db@~1.8.0
+
+1.2.4 / 2015-02-14
+==================
+
+  * Support Node.js 0.6
+  * deps: mime-types@~2.0.9
+    - deps: mime-db@~1.7.0
+  * deps: negotiator@0.5.1
+    - Fix preference sorting to be stable for long acceptable lists
+
+1.2.3 / 2015-01-31
+==================
+
+  * deps: mime-types@~2.0.8
+    - deps: mime-db@~1.6.0
+
+1.2.2 / 2014-12-30
+==================
+
+  * deps: mime-types@~2.0.7
+    - deps: mime-db@~1.5.0
+
+1.2.1 / 2014-12-30
+==================
+
+  * deps: mime-types@~2.0.5
+    - deps: mime-db@~1.3.1
+
+1.2.0 / 2014-12-19
+==================
+
+  * deps: negotiator@0.5.0
+    - Fix list return order when large accepted list
+    - Fix missing identity encoding when q=0 exists
+    - Remove dynamic building of Negotiator class
+
+1.1.4 / 2014-12-10
+==================
+
+  * deps: mime-types@~2.0.4
+    - deps: mime-db@~1.3.0
+
+1.1.3 / 2014-11-09
+==================
+
+  * deps: mime-types@~2.0.3
+    - deps: mime-db@~1.2.0
+
+1.1.2 / 2014-10-14
+==================
+
+  * deps: negotiator@0.4.9
+    - Fix error when media type has invalid parameter
+
+1.1.1 / 2014-09-28
+==================
+
+  * deps: mime-types@~2.0.2
+    - deps: mime-db@~1.1.0
+  * deps: negotiator@0.4.8
+    - Fix all negotiations to be case-insensitive
+    - Stable sort preferences of same quality according to client order
+
+1.1.0 / 2014-09-02
+==================
+
+  * update `mime-types`
+
+1.0.7 / 2014-07-04
+==================
+
+  * Fix wrong type returned from `type` when match after unknown extension
+
+1.0.6 / 2014-06-24
+==================
+
+  * deps: negotiator@0.4.7
+
+1.0.5 / 2014-06-20
+==================
+
+ * fix crash when unknown extension given
+
+1.0.4 / 2014-06-19
+==================
+
+  * use `mime-types`
+
+1.0.3 / 2014-06-11
+==================
+
+  * deps: negotiator@0.4.6
+    - Order by specificity when quality is the same
+
+1.0.2 / 2014-05-29
+==================
+
+  * Fix interpretation when header not in request
+  * deps: pin negotiator@0.4.5
+
+1.0.1 / 2014-01-18
+==================
+
+  * Identity encoding isn't always acceptable
+  * deps: negotiator@~0.4.0
+
+1.0.0 / 2013-12-27
+==================
+
+  * Genesis
diff --git a/node_modules/accepts/LICENSE b/node_modules/accepts/LICENSE
new file mode 100644
index 000000000..06166077b
--- /dev/null
+++ b/node_modules/accepts/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/accepts/README.md b/node_modules/accepts/README.md
new file mode 100644
index 000000000..82680c530
--- /dev/null
+++ b/node_modules/accepts/README.md
@@ -0,0 +1,140 @@
+# accepts
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][github-actions-ci-image]][github-actions-ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Higher level content negotiation based on [negotiator](https://www.npmjs.com/package/negotiator).
+Extracted from [koa](https://www.npmjs.com/package/koa) for general use.
+
+In addition to negotiator, it allows:
+
+- Allows types as an array or arguments list, ie `(['text/html', 'application/json'])`
+  as well as `('text/html', 'application/json')`.
+- Allows type shorthands such as `json`.
+- Returns `false` when no types match
+- Treats non-existent headers as `*`
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install accepts
+```
+
+## API
+
+```js
+var accepts = require('accepts')
+```
+
+### accepts(req)
+
+Create a new `Accepts` object for the given `req`.
+
+#### .charset(charsets)
+
+Return the first accepted charset. If nothing in `charsets` is accepted,
+then `false` is returned.
+
+#### .charsets()
+
+Return the charsets that the request accepts, in the order of the client's
+preference (most preferred first).
+
+#### .encoding(encodings)
+
+Return the first accepted encoding. If nothing in `encodings` is accepted,
+then `false` is returned.
+
+#### .encodings()
+
+Return the encodings that the request accepts, in the order of the client's
+preference (most preferred first).
+
+#### .language(languages)
+
+Return the first accepted language. If nothing in `languages` is accepted,
+then `false` is returned.
+
+#### .languages()
+
+Return the languages that the request accepts, in the order of the client's
+preference (most preferred first).
+
+#### .type(types)
+
+Return the first accepted type (and it is returned as the same text as what
+appears in the `types` array). If nothing in `types` is accepted, then `false`
+is returned.
+
+The `types` array can contain full MIME types or file extensions. Any value
+that is not a full MIME types is passed to `require('mime-types').lookup`.
+
+#### .types()
+
+Return the types that the request accepts, in the order of the client's
+preference (most preferred first).
+
+## Examples
+
+### Simple type negotiation
+
+This simple example shows how to use `accepts` to return a different typed
+respond body based on what the client wants to accept. The server lists it's
+preferences in order and will get back the best match between the client and
+server.
+
+```js
+var accepts = require('accepts')
+var http = require('http')
+
+function app (req, res) {
+  var accept = accepts(req)
+
+  // the order of this list is significant; should be server preferred order
+  switch (accept.type(['json', 'html'])) {
+    case 'json':
+      res.setHeader('Content-Type', 'application/json')
+      res.write('{"hello":"world!"}')
+      break
+    case 'html':
+      res.setHeader('Content-Type', 'text/html')
+      res.write('<b>hello, world!</b>')
+      break
+    default:
+      // the fallback is text/plain, so no need to specify it above
+      res.setHeader('Content-Type', 'text/plain')
+      res.write('hello, world!')
+      break
+  }
+
+  res.end()
+}
+
+http.createServer(app).listen(3000)
+```
+
+You can test this out with the cURL program:
+```sh
+curl -I -H'Accept: text/html' http://localhost:3000/
+```
+
+## License
+
+[MIT](LICENSE)
+
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/accepts/master
+[coveralls-url]: https://coveralls.io/r/jshttp/accepts?branch=master
+[github-actions-ci-image]: https://badgen.net/github/checks/jshttp/accepts/master?label=ci
+[github-actions-ci-url]: https://github.com/jshttp/accepts/actions/workflows/ci.yml
+[node-version-image]: https://badgen.net/npm/node/accepts
+[node-version-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/accepts
+[npm-url]: https://npmjs.org/package/accepts
+[npm-version-image]: https://badgen.net/npm/v/accepts
diff --git a/node_modules/accepts/index.js b/node_modules/accepts/index.js
new file mode 100644
index 000000000..e9b2f63fb
--- /dev/null
+++ b/node_modules/accepts/index.js
@@ -0,0 +1,238 @@
+/*!
+ * accepts
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var Negotiator = require('negotiator')
+var mime = require('mime-types')
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = Accepts
+
+/**
+ * Create a new Accepts object for the given req.
+ *
+ * @param {object} req
+ * @public
+ */
+
+function Accepts (req) {
+  if (!(this instanceof Accepts)) {
+    return new Accepts(req)
+  }
+
+  this.headers = req.headers
+  this.negotiator = new Negotiator(req)
+}
+
+/**
+ * Check if the given `type(s)` is acceptable, returning
+ * the best match when true, otherwise `undefined`, in which
+ * case you should respond with 406 "Not Acceptable".
+ *
+ * The `type` value may be a single mime type string
+ * such as "application/json", the extension name
+ * such as "json" or an array `["json", "html", "text/plain"]`. When a list
+ * or array is given the _best_ match, if any is returned.
+ *
+ * Examples:
+ *
+ *     // Accept: text/html
+ *     this.types('html');
+ *     // => "html"
+ *
+ *     // Accept: text/*, application/json
+ *     this.types('html');
+ *     // => "html"
+ *     this.types('text/html');
+ *     // => "text/html"
+ *     this.types('json', 'text');
+ *     // => "json"
+ *     this.types('application/json');
+ *     // => "application/json"
+ *
+ *     // Accept: text/*, application/json
+ *     this.types('image/png');
+ *     this.types('png');
+ *     // => undefined
+ *
+ *     // Accept: text/*;q=.5, application/json
+ *     this.types(['html', 'json']);
+ *     this.types('html', 'json');
+ *     // => "json"
+ *
+ * @param {String|Array} types...
+ * @return {String|Array|Boolean}
+ * @public
+ */
+
+Accepts.prototype.type =
+Accepts.prototype.types = function (types_) {
+  var types = types_
+
+  // support flattened arguments
+  if (types && !Array.isArray(types)) {
+    types = new Array(arguments.length)
+    for (var i = 0; i < types.length; i++) {
+      types[i] = arguments[i]
+    }
+  }
+
+  // no types, return all requested types
+  if (!types || types.length === 0) {
+    return this.negotiator.mediaTypes()
+  }
+
+  // no accept header, return first given type
+  if (!this.headers.accept) {
+    return types[0]
+  }
+
+  var mimes = types.map(extToMime)
+  var accepts = this.negotiator.mediaTypes(mimes.filter(validMime))
+  var first = accepts[0]
+
+  return first
+    ? types[mimes.indexOf(first)]
+    : false
+}
+
+/**
+ * Return accepted encodings or best fit based on `encodings`.
+ *
+ * Given `Accept-Encoding: gzip, deflate`
+ * an array sorted by quality is returned:
+ *
+ *     ['gzip', 'deflate']
+ *
+ * @param {String|Array} encodings...
+ * @return {String|Array}
+ * @public
+ */
+
+Accepts.prototype.encoding =
+Accepts.prototype.encodings = function (encodings_) {
+  var encodings = encodings_
+
+  // support flattened arguments
+  if (encodings && !Array.isArray(encodings)) {
+    encodings = new Array(arguments.length)
+    for (var i = 0; i < encodings.length; i++) {
+      encodings[i] = arguments[i]
+    }
+  }
+
+  // no encodings, return all requested encodings
+  if (!encodings || encodings.length === 0) {
+    return this.negotiator.encodings()
+  }
+
+  return this.negotiator.encodings(encodings)[0] || false
+}
+
+/**
+ * Return accepted charsets or best fit based on `charsets`.
+ *
+ * Given `Accept-Charset: utf-8, iso-8859-1;q=0.2, utf-7;q=0.5`
+ * an array sorted by quality is returned:
+ *
+ *     ['utf-8', 'utf-7', 'iso-8859-1']
+ *
+ * @param {String|Array} charsets...
+ * @return {String|Array}
+ * @public
+ */
+
+Accepts.prototype.charset =
+Accepts.prototype.charsets = function (charsets_) {
+  var charsets = charsets_
+
+  // support flattened arguments
+  if (charsets && !Array.isArray(charsets)) {
+    charsets = new Array(arguments.length)
+    for (var i = 0; i < charsets.length; i++) {
+      charsets[i] = arguments[i]
+    }
+  }
+
+  // no charsets, return all requested charsets
+  if (!charsets || charsets.length === 0) {
+    return this.negotiator.charsets()
+  }
+
+  return this.negotiator.charsets(charsets)[0] || false
+}
+
+/**
+ * Return accepted languages or best fit based on `langs`.
+ *
+ * Given `Accept-Language: en;q=0.8, es, pt`
+ * an array sorted by quality is returned:
+ *
+ *     ['es', 'pt', 'en']
+ *
+ * @param {String|Array} langs...
+ * @return {Array|String}
+ * @public
+ */
+
+Accepts.prototype.lang =
+Accepts.prototype.langs =
+Accepts.prototype.language =
+Accepts.prototype.languages = function (languages_) {
+  var languages = languages_
+
+  // support flattened arguments
+  if (languages && !Array.isArray(languages)) {
+    languages = new Array(arguments.length)
+    for (var i = 0; i < languages.length; i++) {
+      languages[i] = arguments[i]
+    }
+  }
+
+  // no languages, return all requested languages
+  if (!languages || languages.length === 0) {
+    return this.negotiator.languages()
+  }
+
+  return this.negotiator.languages(languages)[0] || false
+}
+
+/**
+ * Convert extnames to mime.
+ *
+ * @param {String} type
+ * @return {String}
+ * @private
+ */
+
+function extToMime (type) {
+  return type.indexOf('/') === -1
+    ? mime.lookup(type)
+    : type
+}
+
+/**
+ * Check if mime is valid.
+ *
+ * @param {String} type
+ * @return {String}
+ * @private
+ */
+
+function validMime (type) {
+  return typeof type === 'string'
+}
diff --git a/node_modules/accepts/package.json b/node_modules/accepts/package.json
new file mode 100644
index 000000000..0f2d15da9
--- /dev/null
+++ b/node_modules/accepts/package.json
@@ -0,0 +1,47 @@
+{
+  "name": "accepts",
+  "description": "Higher-level content negotiation",
+  "version": "1.3.8",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "license": "MIT",
+  "repository": "jshttp/accepts",
+  "dependencies": {
+    "mime-types": "~2.1.34",
+    "negotiator": "0.6.3"
+  },
+  "devDependencies": {
+    "deep-equal": "1.0.1",
+    "eslint": "7.32.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.25.4",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "4.3.1",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "9.2.0",
+    "nyc": "15.1.0"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --check-leaks --bail test/",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  },
+  "keywords": [
+    "content",
+    "negotiation",
+    "accept",
+    "accepts"
+  ]
+}
diff --git a/node_modules/ajv/.tonic_example.js b/node_modules/ajv/.tonic_example.js
new file mode 100644
index 000000000..aa11812d8
--- /dev/null
+++ b/node_modules/ajv/.tonic_example.js
@@ -0,0 +1,20 @@
+var Ajv = require('ajv');
+var ajv = new Ajv({allErrors: true});
+
+var schema = {
+  "properties": {
+    "foo": { "type": "string" },
+    "bar": { "type": "number", "maximum": 3 }
+  }
+};
+
+var validate = ajv.compile(schema);
+
+test({"foo": "abc", "bar": 2});
+test({"foo": 2, "bar": 4});
+
+function test(data) {
+  var valid = validate(data);
+  if (valid) console.log('Valid!');
+  else console.log('Invalid: ' + ajv.errorsText(validate.errors));
+}
\ No newline at end of file
diff --git a/node_modules/ajv/LICENSE b/node_modules/ajv/LICENSE
new file mode 100644
index 000000000..96ee71998
--- /dev/null
+++ b/node_modules/ajv/LICENSE
@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2015-2017 Evgeny Poberezkin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
diff --git a/node_modules/ajv/README.md b/node_modules/ajv/README.md
new file mode 100644
index 000000000..5aa2078d8
--- /dev/null
+++ b/node_modules/ajv/README.md
@@ -0,0 +1,1497 @@
+<img align="right" alt="Ajv logo" width="160" src="https://ajv.js.org/images/ajv_logo.png">
+
+# Ajv: Another JSON Schema Validator
+
+The fastest JSON Schema validator for Node.js and browser. Supports draft-04/06/07.
+
+[![Build Status](https://travis-ci.org/ajv-validator/ajv.svg?branch=master)](https://travis-ci.org/ajv-validator/ajv)
+[![npm](https://img.shields.io/npm/v/ajv.svg)](https://www.npmjs.com/package/ajv)
+[![npm (beta)](https://img.shields.io/npm/v/ajv/beta)](https://www.npmjs.com/package/ajv/v/7.0.0-beta.0)
+[![npm downloads](https://img.shields.io/npm/dm/ajv.svg)](https://www.npmjs.com/package/ajv)
+[![Coverage Status](https://coveralls.io/repos/github/ajv-validator/ajv/badge.svg?branch=master)](https://coveralls.io/github/ajv-validator/ajv?branch=master)
+[![Gitter](https://img.shields.io/gitter/room/ajv-validator/ajv.svg)](https://gitter.im/ajv-validator/ajv)
+[![GitHub Sponsors](https://img.shields.io/badge/$-sponsors-brightgreen)](https://github.com/sponsors/epoberezkin)
+
+
+## Ajv v7 beta is released
+
+[Ajv version 7.0.0-beta.0](https://github.com/ajv-validator/ajv/tree/v7-beta) is released with these changes:
+
+- to reduce the mistakes in JSON schemas and unexpected validation results, [strict mode](./docs/strict-mode.md) is added - it prohibits ignored or ambiguous JSON Schema elements.
+- to make code injection from untrusted schemas impossible, [code generation](./docs/codegen.md) is fully re-written to be safe.
+- to simplify Ajv extensions, the new keyword API that is used by pre-defined keywords is available to user-defined keywords - it is much easier to define any keywords now, especially with subschemas.
+- schemas are compiled to ES6 code (ES5 code generation is supported with an option).
+- to improve reliability and maintainability the code is migrated to TypeScript.
+
+**Please note**:
+
+- the support for JSON-Schema draft-04 is removed - if you have schemas using "id" attributes you have to replace them with "\$id" (or continue using version 6 that will be supported until 02/28/2021).
+- all formats are separated to ajv-formats package - they have to be explicitely added if you use them.
+
+See [release notes](https://github.com/ajv-validator/ajv/releases/tag/v7.0.0-beta.0) for the details.
+
+To install the new version:
+
+```bash
+npm install ajv@beta
+```
+
+See [Getting started with v7](https://github.com/ajv-validator/ajv/tree/v7-beta#usage) for code example.
+
+
+## Mozilla MOSS grant and OpenJS Foundation
+
+[<img src="https://www.poberezkin.com/images/mozilla.png" width="240" height="68">](https://www.mozilla.org/en-US/moss/) &nbsp;&nbsp;&nbsp; [<img src="https://www.poberezkin.com/images/openjs.png" width="220" height="68">](https://openjsf.org/blog/2020/08/14/ajv-joins-openjs-foundation-as-an-incubation-project/)
+
+Ajv has been awarded a grant from Mozilla’s [Open Source Support (MOSS) program](https://www.mozilla.org/en-US/moss/) in the “Foundational Technology” track! It will sponsor the development of Ajv support of [JSON Schema version 2019-09](https://tools.ietf.org/html/draft-handrews-json-schema-02) and of [JSON Type Definition](https://tools.ietf.org/html/draft-ucarion-json-type-definition-04).
+
+Ajv also joined [OpenJS Foundation](https://openjsf.org/) – having this support will help ensure the longevity and stability of Ajv for all its users.
+
+This [blog post](https://www.poberezkin.com/posts/2020-08-14-ajv-json-validator-mozilla-open-source-grant-openjs-foundation.html) has more details.
+
+I am looking for the long term maintainers of Ajv – working with [ReadySet](https://www.thereadyset.co/), also sponsored by Mozilla, to establish clear guidelines for the role of a "maintainer" and the contribution standards, and to encourage a wider, more inclusive, contribution from the community.
+
+
+## Please [sponsor Ajv development](https://github.com/sponsors/epoberezkin)
+
+Since I asked to support Ajv development 40 people and 6 organizations contributed via GitHub and OpenCollective - this support helped receiving the MOSS grant!
+
+Your continuing support is very important - the funds will be used to develop and maintain Ajv once the next major version is released.
+
+Please sponsor Ajv via:
+- [GitHub sponsors page](https://github.com/sponsors/epoberezkin) (GitHub will match it)
+- [Ajv Open Collective️](https://opencollective.com/ajv)
+
+Thank you.
+
+
+#### Open Collective sponsors
+
+<a href="https://opencollective.com/ajv"><img src="https://opencollective.com/ajv/individuals.svg?width=890"></a>
+
+<a href="https://opencollective.com/ajv/organization/0/website"><img src="https://opencollective.com/ajv/organization/0/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/1/website"><img src="https://opencollective.com/ajv/organization/1/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/2/website"><img src="https://opencollective.com/ajv/organization/2/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/3/website"><img src="https://opencollective.com/ajv/organization/3/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/4/website"><img src="https://opencollective.com/ajv/organization/4/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/5/website"><img src="https://opencollective.com/ajv/organization/5/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/6/website"><img src="https://opencollective.com/ajv/organization/6/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/7/website"><img src="https://opencollective.com/ajv/organization/7/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/8/website"><img src="https://opencollective.com/ajv/organization/8/avatar.svg"></a>
+<a href="https://opencollective.com/ajv/organization/9/website"><img src="https://opencollective.com/ajv/organization/9/avatar.svg"></a>
+
+
+## Using version 6
+
+[JSON Schema draft-07](http://json-schema.org/latest/json-schema-validation.html) is published.
+
+[Ajv version 6.0.0](https://github.com/ajv-validator/ajv/releases/tag/v6.0.0) that supports draft-07 is released. It may require either migrating your schemas or updating your code (to continue using draft-04 and v5 schemas, draft-06 schemas will be supported without changes).
+
+__Please note__: To use Ajv with draft-06 schemas you need to explicitly add the meta-schema to the validator instance:
+
+```javascript
+ajv.addMetaSchema(require('ajv/lib/refs/json-schema-draft-06.json'));
+```
+
+To use Ajv with draft-04 schemas in addition to explicitly adding meta-schema you also need to use option schemaId:
+
+```javascript
+var ajv = new Ajv({schemaId: 'id'});
+// If you want to use both draft-04 and draft-06/07 schemas:
+// var ajv = new Ajv({schemaId: 'auto'});
+ajv.addMetaSchema(require('ajv/lib/refs/json-schema-draft-04.json'));
+```
+
+
+## Contents
+
+- [Performance](#performance)
+- [Features](#features)
+- [Getting started](#getting-started)
+- [Frequently Asked Questions](https://github.com/ajv-validator/ajv/blob/master/FAQ.md)
+- [Using in browser](#using-in-browser)
+  - [Ajv and Content Security Policies (CSP)](#ajv-and-content-security-policies-csp)
+- [Command line interface](#command-line-interface)
+- Validation
+  - [Keywords](#validation-keywords)
+  - [Annotation keywords](#annotation-keywords)
+  - [Formats](#formats)
+  - [Combining schemas with $ref](#ref)
+  - [$data reference](#data-reference)
+  - NEW: [$merge and $patch keywords](#merge-and-patch-keywords)
+  - [Defining custom keywords](#defining-custom-keywords)
+  - [Asynchronous schema compilation](#asynchronous-schema-compilation)
+  - [Asynchronous validation](#asynchronous-validation)
+- [Security considerations](#security-considerations)
+  - [Security contact](#security-contact)
+  - [Untrusted schemas](#untrusted-schemas)
+  - [Circular references in objects](#circular-references-in-javascript-objects)
+  - [Trusted schemas](#security-risks-of-trusted-schemas)
+  - [ReDoS attack](#redos-attack)
+- Modifying data during validation
+  - [Filtering data](#filtering-data)
+  - [Assigning defaults](#assigning-defaults)
+  - [Coercing data types](#coercing-data-types)
+- API
+  - [Methods](#api)
+  - [Options](#options)
+  - [Validation errors](#validation-errors)
+- [Plugins](#plugins)
+- [Related packages](#related-packages)
+- [Some packages using Ajv](#some-packages-using-ajv)
+- [Tests, Contributing, Changes history](#tests)
+- [Support, Code of conduct, License](#open-source-software-support)
+
+
+## Performance
+
+Ajv generates code using [doT templates](https://github.com/olado/doT) to turn JSON Schemas into super-fast validation functions that are efficient for v8 optimization.
+
+Currently Ajv is the fastest and the most standard compliant validator according to these benchmarks:
+
+- [json-schema-benchmark](https://github.com/ebdrup/json-schema-benchmark) - 50% faster than the second place
+- [jsck benchmark](https://github.com/pandastrike/jsck#benchmarks) - 20-190% faster
+- [z-schema benchmark](https://rawgit.com/zaggino/z-schema/master/benchmark/results.html)
+- [themis benchmark](https://cdn.rawgit.com/playlyfe/themis/master/benchmark/results.html)
+
+
+Performance of different validators by [json-schema-benchmark](https://github.com/ebdrup/json-schema-benchmark):
+
+[![performance](https://chart.googleapis.com/chart?chxt=x,y&cht=bhs&chco=76A4FB&chls=2.0&chbh=32,4,1&chs=600x416&chxl=-1:|djv|ajv|json-schema-validator-generator|jsen|is-my-json-valid|themis|z-schema|jsck|skeemas|json-schema-library|tv4&chd=t:100,98,72.1,66.8,50.1,15.1,6.1,3.8,1.2,0.7,0.2)](https://github.com/ebdrup/json-schema-benchmark/blob/master/README.md#performance)
+
+
+## Features
+
+- Ajv implements full JSON Schema [draft-06/07](http://json-schema.org/) and draft-04 standards:
+  - all validation keywords (see [JSON Schema validation keywords](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md))
+  - full support of remote refs (remote schemas have to be added with `addSchema` or compiled to be available)
+  - support of circular references between schemas
+  - correct string lengths for strings with unicode pairs (can be turned off)
+  - [formats](#formats) defined by JSON Schema draft-07 standard and custom formats (can be turned off)
+  - [validates schemas against meta-schema](#api-validateschema)
+- supports [browsers](#using-in-browser) and Node.js 0.10-14.x
+- [asynchronous loading](#asynchronous-schema-compilation) of referenced schemas during compilation
+- "All errors" validation mode with [option allErrors](#options)
+- [error messages with parameters](#validation-errors) describing error reasons to allow creating custom error messages
+- i18n error messages support with [ajv-i18n](https://github.com/ajv-validator/ajv-i18n) package
+- [filtering data](#filtering-data) from additional properties
+- [assigning defaults](#assigning-defaults) to missing properties and items
+- [coercing data](#coercing-data-types) to the types specified in `type` keywords
+- [custom keywords](#defining-custom-keywords)
+- draft-06/07 keywords `const`, `contains`, `propertyNames` and `if/then/else`
+- draft-06 boolean schemas (`true`/`false` as a schema to always pass/fail).
+- keywords `switch`, `patternRequired`, `formatMaximum` / `formatMinimum` and `formatExclusiveMaximum` / `formatExclusiveMinimum` from [JSON Schema extension proposals](https://github.com/json-schema/json-schema/wiki/v5-Proposals) with [ajv-keywords](https://github.com/ajv-validator/ajv-keywords) package
+- [$data reference](#data-reference) to use values from the validated data as values for the schema keywords
+- [asynchronous validation](#asynchronous-validation) of custom formats and keywords
+
+
+## Install
+
+```
+npm install ajv
+```
+
+
+## <a name="usage"></a>Getting started
+
+Try it in the Node.js REPL: https://tonicdev.com/npm/ajv
+
+
+The fastest validation call:
+
+```javascript
+// Node.js require:
+var Ajv = require('ajv');
+// or ESM/TypeScript import
+import Ajv from 'ajv';
+
+var ajv = new Ajv(); // options can be passed, e.g. {allErrors: true}
+var validate = ajv.compile(schema);
+var valid = validate(data);
+if (!valid) console.log(validate.errors);
+```
+
+or with less code
+
+```javascript
+// ...
+var valid = ajv.validate(schema, data);
+if (!valid) console.log(ajv.errors);
+// ...
+```
+
+or
+
+```javascript
+// ...
+var valid = ajv.addSchema(schema, 'mySchema')
+               .validate('mySchema', data);
+if (!valid) console.log(ajv.errorsText());
+// ...
+```
+
+See [API](#api) and [Options](#options) for more details.
+
+Ajv compiles schemas to functions and caches them in all cases (using schema serialized with [fast-json-stable-stringify](https://github.com/epoberezkin/fast-json-stable-stringify) or a custom function as a key), so that the next time the same schema is used (not necessarily the same object instance) it won't be compiled again.
+
+The best performance is achieved when using compiled functions returned by `compile` or `getSchema` methods (there is no additional function call).
+
+__Please note__: every time a validation function or `ajv.validate` are called `errors` property is overwritten. You need to copy `errors` array reference to another variable if you want to use it later (e.g., in the callback). See [Validation errors](#validation-errors)
+
+__Note for TypeScript users__: `ajv` provides its own TypeScript declarations
+out of the box, so you don't need to install the deprecated `@types/ajv`
+module.
+
+
+## Using in browser
+
+You can require Ajv directly from the code you browserify - in this case Ajv will be a part of your bundle.
+
+If you need to use Ajv in several bundles you can create a separate UMD bundle using `npm run bundle` script (thanks to [siddo420](https://github.com/siddo420)).
+
+Then you need to load Ajv in the browser:
+```html
+<script src="ajv.min.js"></script>
+```
+
+This bundle can be used with different module systems; it creates global `Ajv` if no module system is found.
+
+The browser bundle is available on [cdnjs](https://cdnjs.com/libraries/ajv).
+
+Ajv is tested with these browsers:
+
+[![Sauce Test Status](https://saucelabs.com/browser-matrix/epoberezkin.svg)](https://saucelabs.com/u/epoberezkin)
+
+__Please note__: some frameworks, e.g. Dojo, may redefine global require in such way that is not compatible with CommonJS module format. In such case Ajv bundle has to be loaded before the framework and then you can use global Ajv (see issue [#234](https://github.com/ajv-validator/ajv/issues/234)).
+
+
+### Ajv and Content Security Policies (CSP)
+
+If you're using Ajv to compile a schema (the typical use) in a browser document that is loaded with a Content Security Policy (CSP), that policy will require a `script-src` directive that includes the value `'unsafe-eval'`.
+:warning: NOTE, however, that `unsafe-eval` is NOT recommended in a secure CSP[[1]](https://developer.chrome.com/extensions/contentSecurityPolicy#relaxing-eval), as it has the potential to open the document to cross-site scripting (XSS) attacks.
+
+In order to make use of Ajv without easing your CSP, you can [pre-compile a schema using the CLI](https://github.com/ajv-validator/ajv-cli#compile-schemas). This will transpile the schema JSON into a JavaScript file that exports a `validate` function that works simlarly to a schema compiled at runtime.
+
+Note that pre-compilation of schemas is performed using [ajv-pack](https://github.com/ajv-validator/ajv-pack) and there are [some limitations to the schema features it can compile](https://github.com/ajv-validator/ajv-pack#limitations). A successfully pre-compiled schema is equivalent to the same schema compiled at runtime.
+
+
+## Command line interface
+
+CLI is available as a separate npm package [ajv-cli](https://github.com/ajv-validator/ajv-cli). It supports:
+
+- compiling JSON Schemas to test their validity
+- BETA: generating standalone module exporting a validation function to be used without Ajv (using [ajv-pack](https://github.com/ajv-validator/ajv-pack))
+- migrate schemas to draft-07 (using [json-schema-migrate](https://github.com/epoberezkin/json-schema-migrate))
+- validating data file(s) against JSON Schema
+- testing expected validity of data against JSON Schema
+- referenced schemas
+- custom meta-schemas
+- files in JSON, JSON5, YAML, and JavaScript format
+- all Ajv options
+- reporting changes in data after validation in [JSON-patch](https://tools.ietf.org/html/rfc6902) format
+
+
+## Validation keywords
+
+Ajv supports all validation keywords from draft-07 of JSON Schema standard:
+
+- [type](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#type)
+- [for numbers](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#keywords-for-numbers) - maximum, minimum, exclusiveMaximum, exclusiveMinimum, multipleOf
+- [for strings](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#keywords-for-strings) - maxLength, minLength, pattern, format
+- [for arrays](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#keywords-for-arrays) - maxItems, minItems, uniqueItems, items, additionalItems, [contains](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#contains)
+- [for objects](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#keywords-for-objects) - maxProperties, minProperties, required, properties, patternProperties, additionalProperties, dependencies, [propertyNames](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#propertynames)
+- [for all types](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#keywords-for-all-types) - enum, [const](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#const)
+- [compound keywords](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#compound-keywords) - not, oneOf, anyOf, allOf, [if/then/else](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#ifthenelse)
+
+With [ajv-keywords](https://github.com/ajv-validator/ajv-keywords) package Ajv also supports validation keywords from [JSON Schema extension proposals](https://github.com/json-schema/json-schema/wiki/v5-Proposals) for JSON Schema standard:
+
+- [patternRequired](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#patternrequired-proposed) - like `required` but with patterns that some property should match.
+- [formatMaximum, formatMinimum, formatExclusiveMaximum, formatExclusiveMinimum](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md#formatmaximum--formatminimum-and-exclusiveformatmaximum--exclusiveformatminimum-proposed) - setting limits for date, time, etc.
+
+See [JSON Schema validation keywords](https://github.com/ajv-validator/ajv/blob/master/KEYWORDS.md) for more details.
+
+
+## Annotation keywords
+
+JSON Schema specification defines several annotation keywords that describe schema itself but do not perform any validation.
+
+- `title` and `description`: information about the data represented by that schema
+- `$comment` (NEW in draft-07): information for developers. With option `$comment` Ajv logs or passes the comment string to the user-supplied function. See [Options](#options).
+- `default`: a default value of the data instance, see [Assigning defaults](#assigning-defaults).
+- `examples` (NEW in draft-06): an array of data instances. Ajv does not check the validity of these instances against the schema.
+- `readOnly` and `writeOnly` (NEW in draft-07): marks data-instance as read-only or write-only in relation to the source of the data (database, api, etc.).
+- `contentEncoding`: [RFC 2045](https://tools.ietf.org/html/rfc2045#section-6.1 ), e.g., "base64".
+- `contentMediaType`: [RFC 2046](https://tools.ietf.org/html/rfc2046), e.g., "image/png".
+
+__Please note__:  Ajv does not implement validation of the keywords `examples`, `contentEncoding` and `contentMediaType` but it reserves them. If you want to create a plugin that implements some of them, it should remove these keywords from the instance.
+
+
+## Formats
+
+Ajv implements formats defined by JSON Schema specification and several other formats. It is recommended NOT to use "format" keyword implementations with untrusted data, as they use potentially unsafe regular expressions - see [ReDoS attack](#redos-attack).
+
+__Please note__: if you need to use "format" keyword to validate untrusted data, you MUST assess their suitability and safety for your validation scenarios.
+
+The following formats are implemented for string validation with "format" keyword:
+
+- _date_: full-date according to [RFC3339](http://tools.ietf.org/html/rfc3339#section-5.6).
+- _time_: time with optional time-zone.
+- _date-time_: date-time from the same source (time-zone is mandatory). `date`, `time` and `date-time` validate ranges in `full` mode and only regexp in `fast` mode (see [options](#options)).
+- _uri_: full URI.
+- _uri-reference_: URI reference, including full and relative URIs.
+- _uri-template_: URI template according to [RFC6570](https://tools.ietf.org/html/rfc6570)
+- _url_ (deprecated): [URL record](https://url.spec.whatwg.org/#concept-url).
+- _email_: email address.
+- _hostname_: host name according to [RFC1034](http://tools.ietf.org/html/rfc1034#section-3.5).
+- _ipv4_: IP address v4.
+- _ipv6_: IP address v6.
+- _regex_: tests whether a string is a valid regular expression by passing it to RegExp constructor.
+- _uuid_: Universally Unique IDentifier according to [RFC4122](http://tools.ietf.org/html/rfc4122).
+- _json-pointer_: JSON-pointer according to [RFC6901](https://tools.ietf.org/html/rfc6901).
+- _relative-json-pointer_: relative JSON-pointer according to [this draft](http://tools.ietf.org/html/draft-luff-relative-json-pointer-00).
+
+__Please note__: JSON Schema draft-07 also defines formats `iri`, `iri-reference`, `idn-hostname` and `idn-email` for URLs, hostnames and emails with international characters. Ajv does not implement these formats. If you create Ajv plugin that implements them please make a PR to mention this plugin here.
+
+There are two modes of format validation: `fast` and `full`. This mode affects formats `date`, `time`, `date-time`, `uri`, `uri-reference`, and `email`. See [Options](#options) for details.
+
+You can add additional formats and replace any of the formats above using [addFormat](#api-addformat) method.
+
+The option `unknownFormats` allows changing the default behaviour when an unknown format is encountered. In this case Ajv can either fail schema compilation (default) or ignore it (default in versions before 5.0.0). You also can allow specific format(s) that will be ignored. See [Options](#options) for details.
+
+You can find regular expressions used for format validation and the sources that were used in [formats.js](https://github.com/ajv-validator/ajv/blob/master/lib/compile/formats.js).
+
+
+## <a name="ref"></a>Combining schemas with $ref
+
+You can structure your validation logic across multiple schema files and have schemas reference each other using `$ref` keyword.
+
+Example:
+
+```javascript
+var schema = {
+  "$id": "http://example.com/schemas/schema.json",
+  "type": "object",
+  "properties": {
+    "foo": { "$ref": "defs.json#/definitions/int" },
+    "bar": { "$ref": "defs.json#/definitions/str" }
+  }
+};
+
+var defsSchema = {
+  "$id": "http://example.com/schemas/defs.json",
+  "definitions": {
+    "int": { "type": "integer" },
+    "str": { "type": "string" }
+  }
+};
+```
+
+Now to compile your schema you can either pass all schemas to Ajv instance:
+
+```javascript
+var ajv = new Ajv({schemas: [schema, defsSchema]});
+var validate = ajv.getSchema('http://example.com/schemas/schema.json');
+```
+
+or use `addSchema` method:
+
+```javascript
+var ajv = new Ajv;
+var validate = ajv.addSchema(defsSchema)
+                  .compile(schema);
+```
+
+See [Options](#options) and [addSchema](#api) method.
+
+__Please note__:
+- `$ref` is resolved as the uri-reference using schema $id as the base URI (see the example).
+- References can be recursive (and mutually recursive) to implement the schemas for different data structures (such as linked lists, trees, graphs, etc.).
+- You don't have to host your schema files at the URIs that you use as schema $id. These URIs are only used to identify the schemas, and according to JSON Schema specification validators should not expect to be able to download the schemas from these URIs.
+- The actual location of the schema file in the file system is not used.
+- You can pass the identifier of the schema as the second parameter of `addSchema` method or as a property name in `schemas` option. This identifier can be used instead of (or in addition to) schema $id.
+- You cannot have the same $id (or the schema identifier) used for more than one schema - the exception will be thrown.
+- You can implement dynamic resolution of the referenced schemas using `compileAsync` method. In this way you can store schemas in any system (files, web, database, etc.) and reference them without explicitly adding to Ajv instance. See [Asynchronous schema compilation](#asynchronous-schema-compilation).
+
+
+## $data reference
+
+With `$data` option you can use values from the validated data as the values for the schema keywords. See [proposal](https://github.com/json-schema-org/json-schema-spec/issues/51) for more information about how it works.
+
+`$data` reference is supported in the keywords: const, enum, format, maximum/minimum, exclusiveMaximum / exclusiveMinimum, maxLength / minLength, maxItems / minItems, maxProperties / minProperties, formatMaximum / formatMinimum, formatExclusiveMaximum / formatExclusiveMinimum, multipleOf, pattern, required, uniqueItems.
+
+The value of "$data" should be a [JSON-pointer](https://tools.ietf.org/html/rfc6901) to the data (the root is always the top level data object, even if the $data reference is inside a referenced subschema) or a [relative JSON-pointer](http://tools.ietf.org/html/draft-luff-relative-json-pointer-00) (it is relative to the current point in data; if the $data reference is inside a referenced subschema it cannot point to the data outside of the root level for this subschema).
+
+Examples.
+
+This schema requires that the value in property `smaller` is less or equal than the value in the property larger:
+
+```javascript
+var ajv = new Ajv({$data: true});
+
+var schema = {
+  "properties": {
+    "smaller": {
+      "type": "number",
+      "maximum": { "$data": "1/larger" }
+    },
+    "larger": { "type": "number" }
+  }
+};
+
+var validData = {
+  smaller: 5,
+  larger: 7
+};
+
+ajv.validate(schema, validData); // true
+```
+
+This schema requires that the properties have the same format as their field names:
+
+```javascript
+var schema = {
+  "additionalProperties": {
+    "type": "string",
+    "format": { "$data": "0#" }
+  }
+};
+
+var validData = {
+  'date-time': '1963-06-19T08:30:06.283185Z',
+  email: 'joe.bloggs@example.com'
+}
+```
+
+`$data` reference is resolved safely - it won't throw even if some property is undefined. If `$data` resolves to `undefined` the validation succeeds (with the exclusion of `const` keyword). If `$data` resolves to incorrect type (e.g. not "number" for maximum keyword) the validation fails.
+
+
+## $merge and $patch keywords
+
+With the package [ajv-merge-patch](https://github.com/ajv-validator/ajv-merge-patch) you can use the keywords `$merge` and `$patch` that allow extending JSON Schemas with patches using formats [JSON Merge Patch (RFC 7396)](https://tools.ietf.org/html/rfc7396) and [JSON Patch (RFC 6902)](https://tools.ietf.org/html/rfc6902).
+
+To add keywords `$merge` and `$patch` to Ajv instance use this code:
+
+```javascript
+require('ajv-merge-patch')(ajv);
+```
+
+Examples.
+
+Using `$merge`:
+
+```json
+{
+  "$merge": {
+    "source": {
+      "type": "object",
+      "properties": { "p": { "type": "string" } },
+      "additionalProperties": false
+    },
+    "with": {
+      "properties": { "q": { "type": "number" } }
+    }
+  }
+}
+```
+
+Using `$patch`:
+
+```json
+{
+  "$patch": {
+    "source": {
+      "type": "object",
+      "properties": { "p": { "type": "string" } },
+      "additionalProperties": false
+    },
+    "with": [
+      { "op": "add", "path": "/properties/q", "value": { "type": "number" } }
+    ]
+  }
+}
+```
+
+The schemas above are equivalent to this schema:
+
+```json
+{
+  "type": "object",
+  "properties": {
+    "p": { "type": "string" },
+    "q": { "type": "number" }
+  },
+  "additionalProperties": false
+}
+```
+
+The properties `source` and `with` in the keywords `$merge` and `$patch` can use absolute or relative `$ref` to point to other schemas previously added to the Ajv instance or to the fragments of the current schema.
+
+See the package [ajv-merge-patch](https://github.com/ajv-validator/ajv-merge-patch) for more information.
+
+
+## Defining custom keywords
+
+The advantages of using custom keywords are:
+
+- allow creating validation scenarios that cannot be expressed using JSON Schema
+- simplify your schemas
+- help bringing a bigger part of the validation logic to your schemas
+- make your schemas more expressive, less verbose and closer to your application domain
+- implement custom data processors that modify your data (`modifying` option MUST be used in keyword definition) and/or create side effects while the data is being validated
+
+If a keyword is used only for side-effects and its validation result is pre-defined, use option `valid: true/false` in keyword definition to simplify both generated code (no error handling in case of `valid: true`) and your keyword functions (no need to return any validation result).
+
+The concerns you have to be aware of when extending JSON Schema standard with custom keywords are the portability and understanding of your schemas. You will have to support these custom keywords on other platforms and to properly document these keywords so that everybody can understand them in your schemas.
+
+You can define custom keywords with [addKeyword](#api-addkeyword) method. Keywords are defined on the `ajv` instance level - new instances will not have previously defined keywords.
+
+Ajv allows defining keywords with:
+- validation function
+- compilation function
+- macro function
+- inline compilation function that should return code (as string) that will be inlined in the currently compiled schema.
+
+Example. `range` and `exclusiveRange` keywords using compiled schema:
+
+```javascript
+ajv.addKeyword('range', {
+  type: 'number',
+  compile: function (sch, parentSchema) {
+    var min = sch[0];
+    var max = sch[1];
+
+    return parentSchema.exclusiveRange === true
+            ? function (data) { return data > min && data < max; }
+            : function (data) { return data >= min && data <= max; }
+  }
+});
+
+var schema = { "range": [2, 4], "exclusiveRange": true };
+var validate = ajv.compile(schema);
+console.log(validate(2.01)); // true
+console.log(validate(3.99)); // true
+console.log(validate(2)); // false
+console.log(validate(4)); // false
+```
+
+Several custom keywords (typeof, instanceof, range and propertyNames) are defined in [ajv-keywords](https://github.com/ajv-validator/ajv-keywords) package - they can be used for your schemas and as a starting point for your own custom keywords.
+
+See [Defining custom keywords](https://github.com/ajv-validator/ajv/blob/master/CUSTOM.md) for more details.
+
+
+## Asynchronous schema compilation
+
+During asynchronous compilation remote references are loaded using supplied function. See `compileAsync` [method](#api-compileAsync) and `loadSchema` [option](#options).
+
+Example:
+
+```javascript
+var ajv = new Ajv({ loadSchema: loadSchema });
+
+ajv.compileAsync(schema).then(function (validate) {
+  var valid = validate(data);
+  // ...
+});
+
+function loadSchema(uri) {
+  return request.json(uri).then(function (res) {
+    if (res.statusCode >= 400)
+      throw new Error('Loading error: ' + res.statusCode);
+    return res.body;
+  });
+}
+```
+
+__Please note__: [Option](#options) `missingRefs` should NOT be set to `"ignore"` or `"fail"` for asynchronous compilation to work.
+
+
+## Asynchronous validation
+
+Example in Node.js REPL: https://tonicdev.com/esp/ajv-asynchronous-validation
+
+You can define custom formats and keywords that perform validation asynchronously by accessing database or some other service. You should add `async: true` in the keyword or format definition (see [addFormat](#api-addformat), [addKeyword](#api-addkeyword) and [Defining custom keywords](#defining-custom-keywords)).
+
+If your schema uses asynchronous formats/keywords or refers to some schema that contains them it should have `"$async": true` keyword so that Ajv can compile it correctly. If asynchronous format/keyword or reference to asynchronous schema is used in the schema without `$async` keyword Ajv will throw an exception during schema compilation.
+
+__Please note__: all asynchronous subschemas that are referenced from the current or other schemas should have `"$async": true` keyword as well, otherwise the schema compilation will fail.
+
+Validation function for an asynchronous custom format/keyword should return a promise that resolves with `true` or `false` (or rejects with `new Ajv.ValidationError(errors)` if you want to return custom errors from the keyword function).
+
+Ajv compiles asynchronous schemas to [es7 async functions](http://tc39.github.io/ecmascript-asyncawait/) that can optionally be transpiled with [nodent](https://github.com/MatAtBread/nodent). Async functions are supported in Node.js 7+ and all modern browsers. You can also supply any other transpiler as a function via `processCode` option. See [Options](#options).
+
+The compiled validation function has `$async: true` property (if the schema is asynchronous), so you can differentiate these functions if you are using both synchronous and asynchronous schemas.
+
+Validation result will be a promise that resolves with validated data or rejects with an exception `Ajv.ValidationError` that contains the array of validation errors in `errors` property.
+
+
+Example:
+
+```javascript
+var ajv = new Ajv;
+// require('ajv-async')(ajv);
+
+ajv.addKeyword('idExists', {
+  async: true,
+  type: 'number',
+  validate: checkIdExists
+});
+
+
+function checkIdExists(schema, data) {
+  return knex(schema.table)
+  .select('id')
+  .where('id', data)
+  .then(function (rows) {
+    return !!rows.length; // true if record is found
+  });
+}
+
+var schema = {
+  "$async": true,
+  "properties": {
+    "userId": {
+      "type": "integer",
+      "idExists": { "table": "users" }
+    },
+    "postId": {
+      "type": "integer",
+      "idExists": { "table": "posts" }
+    }
+  }
+};
+
+var validate = ajv.compile(schema);
+
+validate({ userId: 1, postId: 19 })
+.then(function (data) {
+  console.log('Data is valid', data); // { userId: 1, postId: 19 }
+})
+.catch(function (err) {
+  if (!(err instanceof Ajv.ValidationError)) throw err;
+  // data is invalid
+  console.log('Validation errors:', err.errors);
+});
+```
+
+### Using transpilers with asynchronous validation functions.
+
+[ajv-async](https://github.com/ajv-validator/ajv-async) uses [nodent](https://github.com/MatAtBread/nodent) to transpile async functions. To use another transpiler you should separately install it (or load its bundle in the browser).
+
+
+#### Using nodent
+
+```javascript
+var ajv = new Ajv;
+require('ajv-async')(ajv);
+// in the browser if you want to load ajv-async bundle separately you can:
+// window.ajvAsync(ajv);
+var validate = ajv.compile(schema); // transpiled es7 async function
+validate(data).then(successFunc).catch(errorFunc);
+```
+
+
+#### Using other transpilers
+
+```javascript
+var ajv = new Ajv({ processCode: transpileFunc });
+var validate = ajv.compile(schema); // transpiled es7 async function
+validate(data).then(successFunc).catch(errorFunc);
+```
+
+See [Options](#options).
+
+
+## Security considerations
+
+JSON Schema, if properly used, can replace data sanitisation. It doesn't replace other API security considerations. It also introduces additional security aspects to consider.
+
+
+##### Security contact
+
+To report a security vulnerability, please use the
+[Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure. Please do NOT report security vulnerabilities via GitHub issues.
+
+
+##### Untrusted schemas
+
+Ajv treats JSON schemas as trusted as your application code. This security model is based on the most common use case, when the schemas are static and bundled together with the application.
+
+If your schemas are received from untrusted sources (or generated from untrusted data) there are several scenarios you need to prevent:
+- compiling schemas can cause stack overflow (if they are too deep)
+- compiling schemas can be slow (e.g. [#557](https://github.com/ajv-validator/ajv/issues/557))
+- validating certain data can be slow
+
+It is difficult to predict all the scenarios, but at the very least it may help to limit the size of untrusted schemas (e.g. limit JSON string length) and also the maximum schema object depth (that can be high for relatively small JSON strings). You also may want to mitigate slow regular expressions in `pattern` and `patternProperties` keywords.
+
+Regardless the measures you take, using untrusted schemas increases security risks.
+
+
+##### Circular references in JavaScript objects
+
+Ajv does not support schemas and validated data that have circular references in objects. See [issue #802](https://github.com/ajv-validator/ajv/issues/802).
+
+An attempt to compile such schemas or validate such data would cause stack overflow (or will not complete in case of asynchronous validation). Depending on the parser you use, untrusted data can lead to circular references.
+
+
+##### Security risks of trusted schemas
+
+Some keywords in JSON Schemas can lead to very slow validation for certain data. These keywords include (but may be not limited to):
+
+- `pattern` and `format` for large strings - in some cases using `maxLength` can help mitigate it, but certain regular expressions can lead to exponential validation time even with relatively short strings (see [ReDoS attack](#redos-attack)).
+- `patternProperties` for large property names - use `propertyNames` to mitigate, but some regular expressions can have exponential evaluation time as well.
+- `uniqueItems` for large non-scalar arrays - use `maxItems` to mitigate
+
+__Please note__: The suggestions above to prevent slow validation would only work if you do NOT use `allErrors: true` in production code (using it would continue validation after validation errors).
+
+You can validate your JSON schemas against [this meta-schema](https://github.com/ajv-validator/ajv/blob/master/lib/refs/json-schema-secure.json) to check that these recommendations are followed:
+
+```javascript
+const isSchemaSecure = ajv.compile(require('ajv/lib/refs/json-schema-secure.json'));
+
+const schema1 = {format: 'email'};
+isSchemaSecure(schema1); // false
+
+const schema2 = {format: 'email', maxLength: MAX_LENGTH};
+isSchemaSecure(schema2); // true
+```
+
+__Please note__: following all these recommendation is not a guarantee that validation of untrusted data is safe - it can still lead to some undesirable results.
+
+
+##### Content Security Policies (CSP)
+See [Ajv and Content Security Policies (CSP)](#ajv-and-content-security-policies-csp)
+
+
+## ReDoS attack
+
+Certain regular expressions can lead to the exponential evaluation time even with relatively short strings.
+
+Please assess the regular expressions you use in the schemas on their vulnerability to this attack - see [safe-regex](https://github.com/substack/safe-regex), for example.
+
+__Please note__: some formats that Ajv implements use [regular expressions](https://github.com/ajv-validator/ajv/blob/master/lib/compile/formats.js) that can be vulnerable to ReDoS attack, so if you use Ajv to validate data from untrusted sources __it is strongly recommended__ to consider the following:
+
+- making assessment of "format" implementations in Ajv.
+- using `format: 'fast'` option that simplifies some of the regular expressions (although it does not guarantee that they are safe).
+- replacing format implementations provided by Ajv with your own implementations of "format" keyword that either uses different regular expressions or another approach to format validation. Please see [addFormat](#api-addformat) method.
+- disabling format validation by ignoring "format" keyword with option `format: false`
+
+Whatever mitigation you choose, please assume all formats provided by Ajv as potentially unsafe and make your own assessment of their suitability for your validation scenarios.
+
+
+## Filtering data
+
+With [option `removeAdditional`](#options) (added by [andyscott](https://github.com/andyscott)) you can filter data during the validation.
+
+This option modifies original data.
+
+Example:
+
+```javascript
+var ajv = new Ajv({ removeAdditional: true });
+var schema = {
+  "additionalProperties": false,
+  "properties": {
+    "foo": { "type": "number" },
+    "bar": {
+      "additionalProperties": { "type": "number" },
+      "properties": {
+        "baz": { "type": "string" }
+      }
+    }
+  }
+}
+
+var data = {
+  "foo": 0,
+  "additional1": 1, // will be removed; `additionalProperties` == false
+  "bar": {
+    "baz": "abc",
+    "additional2": 2 // will NOT be removed; `additionalProperties` != false
+  },
+}
+
+var validate = ajv.compile(schema);
+
+console.log(validate(data)); // true
+console.log(data); // { "foo": 0, "bar": { "baz": "abc", "additional2": 2 }
+```
+
+If `removeAdditional` option in the example above were `"all"` then both `additional1` and `additional2` properties would have been removed.
+
+If the option were `"failing"` then property `additional1` would have been removed regardless of its value and property `additional2` would have been removed only if its value were failing the schema in the inner `additionalProperties` (so in the example above it would have stayed because it passes the schema, but any non-number would have been removed).
+
+__Please note__: If you use `removeAdditional` option with `additionalProperties` keyword inside `anyOf`/`oneOf` keywords your validation can fail with this schema, for example:
+
+```json
+{
+  "type": "object",
+  "oneOf": [
+    {
+      "properties": {
+        "foo": { "type": "string" }
+      },
+      "required": [ "foo" ],
+      "additionalProperties": false
+    },
+    {
+      "properties": {
+        "bar": { "type": "integer" }
+      },
+      "required": [ "bar" ],
+      "additionalProperties": false
+    }
+  ]
+}
+```
+
+The intention of the schema above is to allow objects with either the string property "foo" or the integer property "bar", but not with both and not with any other properties.
+
+With the option `removeAdditional: true` the validation will pass for the object `{ "foo": "abc"}` but will fail for the object `{"bar": 1}`. It happens because while the first subschema in `oneOf` is validated, the property `bar` is removed because it is an additional property according to the standard (because it is not included in `properties` keyword in the same schema).
+
+While this behaviour is unexpected (issues [#129](https://github.com/ajv-validator/ajv/issues/129), [#134](https://github.com/ajv-validator/ajv/issues/134)), it is correct. To have the expected behaviour (both objects are allowed and additional properties are removed) the schema has to be refactored in this way:
+
+```json
+{
+  "type": "object",
+  "properties": {
+    "foo": { "type": "string" },
+    "bar": { "type": "integer" }
+  },
+  "additionalProperties": false,
+  "oneOf": [
+    { "required": [ "foo" ] },
+    { "required": [ "bar" ] }
+  ]
+}
+```
+
+The schema above is also more efficient - it will compile into a faster function.
+
+
+## Assigning defaults
+
+With [option `useDefaults`](#options) Ajv will assign values from `default` keyword in the schemas of `properties` and `items` (when it is the array of schemas) to the missing properties and items.
+
+With the option value `"empty"` properties and items equal to `null` or `""` (empty string) will be considered missing and assigned defaults.
+
+This option modifies original data.
+
+__Please note__: the default value is inserted in the generated validation code as a literal, so the value inserted in the data will be the deep clone of the default in the schema.
+
+
+Example 1 (`default` in `properties`):
+
+```javascript
+var ajv = new Ajv({ useDefaults: true });
+var schema = {
+  "type": "object",
+  "properties": {
+    "foo": { "type": "number" },
+    "bar": { "type": "string", "default": "baz" }
+  },
+  "required": [ "foo", "bar" ]
+};
+
+var data = { "foo": 1 };
+
+var validate = ajv.compile(schema);
+
+console.log(validate(data)); // true
+console.log(data); // { "foo": 1, "bar": "baz" }
+```
+
+Example 2 (`default` in `items`):
+
+```javascript
+var schema = {
+  "type": "array",
+  "items": [
+    { "type": "number" },
+    { "type": "string", "default": "foo" }
+  ]
+}
+
+var data = [ 1 ];
+
+var validate = ajv.compile(schema);
+
+console.log(validate(data)); // true
+console.log(data); // [ 1, "foo" ]
+```
+
+`default` keywords in other cases are ignored:
+
+- not in `properties` or `items` subschemas
+- in schemas inside `anyOf`, `oneOf` and `not` (see [#42](https://github.com/ajv-validator/ajv/issues/42))
+- in `if` subschema of `switch` keyword
+- in schemas generated by custom macro keywords
+
+The [`strictDefaults` option](#options) customizes Ajv's behavior for the defaults that Ajv ignores (`true` raises an error, and `"log"` outputs a warning).
+
+
+## Coercing data types
+
+When you are validating user inputs all your data properties are usually strings. The option `coerceTypes` allows you to have your data types coerced to the types specified in your schema `type` keywords, both to pass the validation and to use the correctly typed data afterwards.
+
+This option modifies original data.
+
+__Please note__: if you pass a scalar value to the validating function its type will be coerced and it will pass the validation, but the value of the variable you pass won't be updated because scalars are passed by value.
+
+
+Example 1:
+
+```javascript
+var ajv = new Ajv({ coerceTypes: true });
+var schema = {
+  "type": "object",
+  "properties": {
+    "foo": { "type": "number" },
+    "bar": { "type": "boolean" }
+  },
+  "required": [ "foo", "bar" ]
+};
+
+var data = { "foo": "1", "bar": "false" };
+
+var validate = ajv.compile(schema);
+
+console.log(validate(data)); // true
+console.log(data); // { "foo": 1, "bar": false }
+```
+
+Example 2 (array coercions):
+
+```javascript
+var ajv = new Ajv({ coerceTypes: 'array' });
+var schema = {
+  "properties": {
+    "foo": { "type": "array", "items": { "type": "number" } },
+    "bar": { "type": "boolean" }
+  }
+};
+
+var data = { "foo": "1", "bar": ["false"] };
+
+var validate = ajv.compile(schema);
+
+console.log(validate(data)); // true
+console.log(data); // { "foo": [1], "bar": false }
+```
+
+The coercion rules, as you can see from the example, are different from JavaScript both to validate user input as expected and to have the coercion reversible (to correctly validate cases where different types are defined in subschemas of "anyOf" and other compound keywords).
+
+See [Coercion rules](https://github.com/ajv-validator/ajv/blob/master/COERCION.md) for details.
+
+
+## API
+
+##### new Ajv(Object options) -&gt; Object
+
+Create Ajv instance.
+
+
+##### .compile(Object schema) -&gt; Function&lt;Object data&gt;
+
+Generate validating function and cache the compiled schema for future use.
+
+Validating function returns a boolean value. This function has properties `errors` and `schema`. Errors encountered during the last validation are assigned to `errors` property (it is assigned `null` if there was no errors). `schema` property contains the reference to the original schema.
+
+The schema passed to this method will be validated against meta-schema unless `validateSchema` option is false. If schema is invalid, an error will be thrown. See [options](#options).
+
+
+##### <a name="api-compileAsync"></a>.compileAsync(Object schema [, Boolean meta] [, Function callback]) -&gt; Promise
+
+Asynchronous version of `compile` method that loads missing remote schemas using asynchronous function in `options.loadSchema`. This function returns a Promise that resolves to a validation function. An optional callback passed to `compileAsync` will be called with 2 parameters: error (or null) and validating function. The returned promise will reject (and the callback will be called with an error) when:
+
+- missing schema can't be loaded (`loadSchema` returns a Promise that rejects).
+- a schema containing a missing reference is loaded, but the reference cannot be resolved.
+- schema (or some loaded/referenced schema) is invalid.
+
+The function compiles schema and loads the first missing schema (or meta-schema) until all missing schemas are loaded.
+
+You can asynchronously compile meta-schema by passing `true` as the second parameter.
+
+See example in [Asynchronous compilation](#asynchronous-schema-compilation).
+
+
+##### .validate(Object schema|String key|String ref, data) -&gt; Boolean
+
+Validate data using passed schema (it will be compiled and cached).
+
+Instead of the schema you can use the key that was previously passed to `addSchema`, the schema id if it was present in the schema or any previously resolved reference.
+
+Validation errors will be available in the `errors` property of Ajv instance (`null` if there were no errors).
+
+__Please note__: every time this method is called the errors are overwritten so you need to copy them to another variable if you want to use them later.
+
+If the schema is asynchronous (has `$async` keyword on the top level) this method returns a Promise. See [Asynchronous validation](#asynchronous-validation).
+
+
+##### .addSchema(Array&lt;Object&gt;|Object schema [, String key]) -&gt; Ajv
+
+Add schema(s) to validator instance. This method does not compile schemas (but it still validates them). Because of that dependencies can be added in any order and circular dependencies are supported. It also prevents unnecessary compilation of schemas that are containers for other schemas but not used as a whole.
+
+Array of schemas can be passed (schemas should have ids), the second parameter will be ignored.
+
+Key can be passed that can be used to reference the schema and will be used as the schema id if there is no id inside the schema. If the key is not passed, the schema id will be used as the key.
+
+
+Once the schema is added, it (and all the references inside it) can be referenced in other schemas and used to validate data.
+
+Although `addSchema` does not compile schemas, explicit compilation is not required - the schema will be compiled when it is used first time.
+
+By default the schema is validated against meta-schema before it is added, and if the schema does not pass validation the exception is thrown. This behaviour is controlled by `validateSchema` option.
+
+__Please note__: Ajv uses the [method chaining syntax](https://en.wikipedia.org/wiki/Method_chaining) for all methods with the prefix `add*` and `remove*`.
+This allows you to do nice things like the following.
+
+```javascript
+var validate = new Ajv().addSchema(schema).addFormat(name, regex).getSchema(uri);
+```
+
+##### .addMetaSchema(Array&lt;Object&gt;|Object schema [, String key]) -&gt; Ajv
+
+Adds meta schema(s) that can be used to validate other schemas. That function should be used instead of `addSchema` because there may be instance options that would compile a meta schema incorrectly (at the moment it is `removeAdditional` option).
+
+There is no need to explicitly add draft-07 meta schema (http://json-schema.org/draft-07/schema) - it is added by default, unless option `meta` is set to `false`. You only need to use it if you have a changed meta-schema that you want to use to validate your schemas. See `validateSchema`.
+
+
+##### <a name="api-validateschema"></a>.validateSchema(Object schema) -&gt; Boolean
+
+Validates schema. This method should be used to validate schemas rather than `validate` due to the inconsistency of `uri` format in JSON Schema standard.
+
+By default this method is called automatically when the schema is added, so you rarely need to use it directly.
+
+If schema doesn't have `$schema` property, it is validated against draft 6 meta-schema (option `meta` should not be false).
+
+If schema has `$schema` property, then the schema with this id (that should be previously added) is used to validate passed schema.
+
+Errors will be available at `ajv.errors`.
+
+
+##### .getSchema(String key) -&gt; Function&lt;Object data&gt;
+
+Retrieve compiled schema previously added with `addSchema` by the key passed to `addSchema` or by its full reference (id). The returned validating function has `schema` property with the reference to the original schema.
+
+
+##### .removeSchema([Object schema|String key|String ref|RegExp pattern]) -&gt; Ajv
+
+Remove added/cached schema. Even if schema is referenced by other schemas it can be safely removed as dependent schemas have local references.
+
+Schema can be removed using:
+- key passed to `addSchema`
+- it's full reference (id)
+- RegExp that should match schema id or key (meta-schemas won't be removed)
+- actual schema object that will be stable-stringified to remove schema from cache
+
+If no parameter is passed all schemas but meta-schemas will be removed and the cache will be cleared.
+
+
+##### <a name="api-addformat"></a>.addFormat(String name, String|RegExp|Function|Object format) -&gt; Ajv
+
+Add custom format to validate strings or numbers. It can also be used to replace pre-defined formats for Ajv instance.
+
+Strings are converted to RegExp.
+
+Function should return validation result as `true` or `false`.
+
+If object is passed it should have properties `validate`, `compare` and `async`:
+
+- _validate_: a string, RegExp or a function as described above.
+- _compare_: an optional comparison function that accepts two strings and compares them according to the format meaning. This function is used with keywords `formatMaximum`/`formatMinimum` (defined in [ajv-keywords](https://github.com/ajv-validator/ajv-keywords) package). It should return `1` if the first value is bigger than the second value, `-1` if it is smaller and `0` if it is equal.
+- _async_: an optional `true` value if `validate` is an asynchronous function; in this case it should return a promise that resolves with a value `true` or `false`.
+- _type_: an optional type of data that the format applies to. It can be `"string"` (default) or `"number"` (see https://github.com/ajv-validator/ajv/issues/291#issuecomment-259923858). If the type of data is different, the validation will pass.
+
+Custom formats can be also added via `formats` option.
+
+
+##### <a name="api-addkeyword"></a>.addKeyword(String keyword, Object definition) -&gt; Ajv
+
+Add custom validation keyword to Ajv instance.
+
+Keyword should be different from all standard JSON Schema keywords and different from previously defined keywords. There is no way to redefine keywords or to remove keyword definition from the instance.
+
+Keyword must start with a letter, `_` or `$`, and may continue with letters, numbers, `_`, `$`, or `-`.
+It is recommended to use an application-specific prefix for keywords to avoid current and future name collisions.
+
+Example Keywords:
+- `"xyz-example"`: valid, and uses prefix for the xyz project to avoid name collisions.
+- `"example"`: valid, but not recommended as it could collide with future versions of JSON Schema etc.
+- `"3-example"`: invalid as numbers are not allowed to be the first character in a keyword
+
+Keyword definition is an object with the following properties:
+
+- _type_: optional string or array of strings with data type(s) that the keyword applies to. If not present, the keyword will apply to all types.
+- _validate_: validating function
+- _compile_: compiling function
+- _macro_: macro function
+- _inline_: compiling function that returns code (as string)
+- _schema_: an optional `false` value used with "validate" keyword to not pass schema
+- _metaSchema_: an optional meta-schema for keyword schema
+- _dependencies_: an optional list of properties that must be present in the parent schema - it will be checked during schema compilation
+- _modifying_: `true` MUST be passed if keyword modifies data
+- _statements_: `true` can be passed in case inline keyword generates statements (as opposed to expression)
+- _valid_: pass `true`/`false` to pre-define validation result, the result returned from validation function will be ignored. This option cannot be used with macro keywords.
+- _$data_: an optional `true` value to support [$data reference](#data-reference) as the value of custom keyword. The reference will be resolved at validation time. If the keyword has meta-schema it would be extended to allow $data and it will be used to validate the resolved value. Supporting $data reference requires that keyword has validating function (as the only option or in addition to compile, macro or inline function).
+- _async_: an optional `true` value if the validation function is asynchronous (whether it is compiled or passed in _validate_ property); in this case it should return a promise that resolves with a value `true` or `false`. This option is ignored in case of "macro" and "inline" keywords.
+- _errors_: an optional boolean or string `"full"` indicating whether keyword returns errors. If this property is not set Ajv will determine if the errors were set in case of failed validation.
+
+_compile_, _macro_ and _inline_ are mutually exclusive, only one should be used at a time. _validate_ can be used separately or in addition to them to support $data reference.
+
+__Please note__: If the keyword is validating data type that is different from the type(s) in its definition, the validation function will not be called (and expanded macro will not be used), so there is no need to check for data type inside validation function or inside schema returned by macro function (unless you want to enforce a specific type and for some reason do not want to use a separate `type` keyword for that). In the same way as standard keywords work, if the keyword does not apply to the data type being validated, the validation of this keyword will succeed.
+
+See [Defining custom keywords](#defining-custom-keywords) for more details.
+
+
+##### .getKeyword(String keyword) -&gt; Object|Boolean
+
+Returns custom keyword definition, `true` for pre-defined keywords and `false` if the keyword is unknown.
+
+
+##### .removeKeyword(String keyword) -&gt; Ajv
+
+Removes custom or pre-defined keyword so you can redefine them.
+
+While this method can be used to extend pre-defined keywords, it can also be used to completely change their meaning - it may lead to unexpected results.
+
+__Please note__: schemas compiled before the keyword is removed will continue to work without changes. To recompile schemas use `removeSchema` method and compile them again.
+
+
+##### .errorsText([Array&lt;Object&gt; errors [, Object options]]) -&gt; String
+
+Returns the text with all errors in a String.
+
+Options can have properties `separator` (string used to separate errors, ", " by default) and `dataVar` (the variable name that dataPaths are prefixed with, "data" by default).
+
+
+## Options
+
+Defaults:
+
+```javascript
+{
+  // validation and reporting options:
+  $data:            false,
+  allErrors:        false,
+  verbose:          false,
+  $comment:         false, // NEW in Ajv version 6.0
+  jsonPointers:     false,
+  uniqueItems:      true,
+  unicode:          true,
+  nullable:         false,
+  format:           'fast',
+  formats:          {},
+  unknownFormats:   true,
+  schemas:          {},
+  logger:           undefined,
+  // referenced schema options:
+  schemaId:         '$id',
+  missingRefs:      true,
+  extendRefs:       'ignore', // recommended 'fail'
+  loadSchema:       undefined, // function(uri: string): Promise {}
+  // options to modify validated data:
+  removeAdditional: false,
+  useDefaults:      false,
+  coerceTypes:      false,
+  // strict mode options
+  strictDefaults:   false,
+  strictKeywords:   false,
+  strictNumbers:    false,
+  // asynchronous validation options:
+  transpile:        undefined, // requires ajv-async package
+  // advanced options:
+  meta:             true,
+  validateSchema:   true,
+  addUsedSchema:    true,
+  inlineRefs:       true,
+  passContext:      false,
+  loopRequired:     Infinity,
+  ownProperties:    false,
+  multipleOfPrecision: false,
+  errorDataPath:    'object', // deprecated
+  messages:         true,
+  sourceCode:       false,
+  processCode:      undefined, // function (str: string, schema: object): string {}
+  cache:            new Cache,
+  serialize:        undefined
+}
+```
+
+##### Validation and reporting options
+
+- _$data_: support [$data references](#data-reference). Draft 6 meta-schema that is added by default will be extended to allow them. If you want to use another meta-schema you need to use $dataMetaSchema method to add support for $data reference. See [API](#api).
+- _allErrors_: check all rules collecting all errors. Default is to return after the first error.
+- _verbose_: include the reference to the part of the schema (`schema` and `parentSchema`) and validated data in errors (false by default).
+- _$comment_ (NEW in Ajv version 6.0): log or pass the value of `$comment` keyword to a function. Option values:
+  - `false` (default): ignore $comment keyword.
+  - `true`: log the keyword value to console.
+  - function: pass the keyword value, its schema path and root schema to the specified function
+- _jsonPointers_: set `dataPath` property of errors using [JSON Pointers](https://tools.ietf.org/html/rfc6901) instead of JavaScript property access notation.
+- _uniqueItems_: validate `uniqueItems` keyword (true by default).
+- _unicode_: calculate correct length of strings with unicode pairs (true by default). Pass `false` to use `.length` of strings that is faster, but gives "incorrect" lengths of strings with unicode pairs - each unicode pair is counted as two characters.
+- _nullable_: support keyword "nullable" from [Open API 3 specification](https://swagger.io/docs/specification/data-models/data-types/).
+- _format_: formats validation mode. Option values:
+  - `"fast"` (default) - simplified and fast validation (see [Formats](#formats) for details of which formats are available and affected by this option).
+  - `"full"` - more restrictive and slow validation. E.g., 25:00:00 and 2015/14/33 will be invalid time and date in 'full' mode but it will be valid in 'fast' mode.
+  - `false` - ignore all format keywords.
+- _formats_: an object with custom formats. Keys and values will be passed to `addFormat` method.
+- _keywords_: an object with custom keywords. Keys and values will be passed to `addKeyword` method.
+- _unknownFormats_: handling of unknown formats. Option values:
+  - `true` (default) - if an unknown format is encountered the exception is thrown during schema compilation. If `format` keyword value is [$data reference](#data-reference) and it is unknown the validation will fail.
+  - `[String]` - an array of unknown format names that will be ignored. This option can be used to allow usage of third party schemas with format(s) for which you don't have definitions, but still fail if another unknown format is used. If `format` keyword value is [$data reference](#data-reference) and it is not in this array the validation will fail.
+  - `"ignore"` - to log warning during schema compilation and always pass validation (the default behaviour in versions before 5.0.0). This option is not recommended, as it allows to mistype format name and it won't be validated without any error message. This behaviour is required by JSON Schema specification.
+- _schemas_: an array or object of schemas that will be added to the instance. In case you pass the array the schemas must have IDs in them. When the object is passed the method `addSchema(value, key)` will be called for each schema in this object.
+- _logger_: sets the logging method. Default is the global `console` object that should have methods `log`, `warn` and `error`. See [Error logging](#error-logging). Option values:
+  - custom logger - it should have methods `log`, `warn` and `error`. If any of these methods is missing an exception will be thrown.
+  - `false` - logging is disabled.
+
+
+##### Referenced schema options
+
+- _schemaId_: this option defines which keywords are used as schema URI. Option value:
+  - `"$id"` (default) - only use `$id` keyword as schema URI (as specified in JSON Schema draft-06/07), ignore `id` keyword (if it is present a warning will be logged).
+  - `"id"` - only use `id` keyword as schema URI (as specified in JSON Schema draft-04), ignore `$id` keyword (if it is present a warning will be logged).
+  - `"auto"` - use both `$id` and `id` keywords as schema URI. If both are present (in the same schema object) and different the exception will be thrown during schema compilation.
+- _missingRefs_: handling of missing referenced schemas. Option values:
+  - `true` (default) - if the reference cannot be resolved during compilation the exception is thrown. The thrown error has properties `missingRef` (with hash fragment) and `missingSchema` (without it). Both properties are resolved relative to the current base id (usually schema id, unless it was substituted).
+  - `"ignore"` - to log error during compilation and always pass validation.
+  - `"fail"` - to log error and successfully compile schema but fail validation if this rule is checked.
+- _extendRefs_: validation of other keywords when `$ref` is present in the schema. Option values:
+  - `"ignore"` (default) - when `$ref` is used other keywords are ignored (as per [JSON Reference](https://tools.ietf.org/html/draft-pbryan-zyp-json-ref-03#section-3) standard). A warning will be logged during the schema compilation.
+  - `"fail"` (recommended) - if other validation keywords are used together with `$ref` the exception will be thrown when the schema is compiled. This option is recommended to make sure schema has no keywords that are ignored, which can be confusing.
+  - `true` - validate all keywords in the schemas with `$ref` (the default behaviour in versions before 5.0.0).
+- _loadSchema_: asynchronous function that will be used to load remote schemas when `compileAsync` [method](#api-compileAsync) is used and some reference is missing (option `missingRefs` should NOT be 'fail' or 'ignore'). This function should accept remote schema uri as a parameter and return a Promise that resolves to a schema. See example in [Asynchronous compilation](#asynchronous-schema-compilation).
+
+
+##### Options to modify validated data
+
+- _removeAdditional_: remove additional properties - see example in [Filtering data](#filtering-data). This option is not used if schema is added with `addMetaSchema` method. Option values:
+  - `false` (default) - not to remove additional properties
+  - `"all"` - all additional properties are removed, regardless of `additionalProperties` keyword in schema (and no validation is made for them).
+  - `true` - only additional properties with `additionalProperties` keyword equal to `false` are removed.
+  - `"failing"` - additional properties that fail schema validation will be removed (where `additionalProperties` keyword is `false` or schema).
+- _useDefaults_: replace missing or undefined properties and items with the values from corresponding `default` keywords. Default behaviour is to ignore `default` keywords. This option is not used if schema is added with `addMetaSchema` method. See examples in [Assigning defaults](#assigning-defaults). Option values:
+  - `false` (default) - do not use defaults
+  - `true` - insert defaults by value (object literal is used).
+  - `"empty"` - in addition to missing or undefined, use defaults for properties and items that are equal to `null` or `""` (an empty string).
+  - `"shared"` (deprecated) - insert defaults by reference. If the default is an object, it will be shared by all instances of validated data. If you modify the inserted default in the validated data, it will be modified in the schema as well.
+- _coerceTypes_: change data type of data to match `type` keyword. See the example in [Coercing data types](#coercing-data-types) and [coercion rules](https://github.com/ajv-validator/ajv/blob/master/COERCION.md). Option values:
+  - `false` (default) - no type coercion.
+  - `true` - coerce scalar data types.
+  - `"array"` - in addition to coercions between scalar types, coerce scalar data to an array with one element and vice versa (as required by the schema).
+
+
+##### Strict mode options
+
+- _strictDefaults_: report ignored `default` keywords in schemas. Option values:
+  - `false` (default) - ignored defaults are not reported
+  - `true` - if an ignored default is present, throw an error
+  - `"log"` - if an ignored default is present, log warning
+- _strictKeywords_: report unknown keywords in schemas. Option values:
+  - `false` (default) - unknown keywords are not reported
+  - `true` - if an unknown keyword is present, throw an error
+  - `"log"` - if an unknown keyword is present, log warning
+- _strictNumbers_: validate numbers strictly, failing validation for NaN and Infinity. Option values:
+  - `false` (default) - NaN or Infinity will pass validation for numeric types
+  - `true` - NaN or Infinity will not pass validation for numeric types
+
+##### Asynchronous validation options
+
+- _transpile_: Requires [ajv-async](https://github.com/ajv-validator/ajv-async) package. It determines whether Ajv transpiles compiled asynchronous validation function. Option values:
+  - `undefined` (default) - transpile with [nodent](https://github.com/MatAtBread/nodent) if async functions are not supported.
+  - `true` - always transpile with nodent.
+  - `false` - do not transpile; if async functions are not supported an exception will be thrown.
+
+
+##### Advanced options
+
+- _meta_: add [meta-schema](http://json-schema.org/documentation.html) so it can be used by other schemas (true by default). If an object is passed, it will be used as the default meta-schema for schemas that have no `$schema` keyword. This default meta-schema MUST have `$schema` keyword.
+- _validateSchema_: validate added/compiled schemas against meta-schema (true by default). `$schema` property in the schema can be http://json-schema.org/draft-07/schema or absent (draft-07 meta-schema will be used) or can be a reference to the schema previously added with `addMetaSchema` method. Option values:
+  - `true` (default) -  if the validation fails, throw the exception.
+  - `"log"` - if the validation fails, log error.
+  - `false` - skip schema validation.
+- _addUsedSchema_: by default methods `compile` and `validate` add schemas to the instance if they have `$id` (or `id`) property that doesn't start with "#". If `$id` is present and it is not unique the exception will be thrown. Set this option to `false` to skip adding schemas to the instance and the `$id` uniqueness check when these methods are used. This option does not affect `addSchema` method.
+- _inlineRefs_: Affects compilation of referenced schemas. Option values:
+  - `true` (default) - the referenced schemas that don't have refs in them are inlined, regardless of their size - that substantially improves performance at the cost of the bigger size of compiled schema functions.
+  - `false` - to not inline referenced schemas (they will be compiled as separate functions).
+  - integer number - to limit the maximum number of keywords of the schema that will be inlined.
+- _passContext_: pass validation context to custom keyword functions. If this option is `true` and you pass some context to the compiled validation function with `validate.call(context, data)`, the `context` will be available as `this` in your custom keywords. By default `this` is Ajv instance.
+- _loopRequired_: by default `required` keyword is compiled into a single expression (or a sequence of statements in `allErrors` mode). In case of a very large number of properties in this keyword it may result in a very big validation function. Pass integer to set the number of properties above which `required` keyword will be validated in a loop - smaller validation function size but also worse performance.
+- _ownProperties_: by default Ajv iterates over all enumerable object properties; when this option is `true` only own enumerable object properties (i.e. found directly on the object rather than on its prototype) are iterated. Contributed by @mbroadst.
+- _multipleOfPrecision_: by default `multipleOf` keyword is validated by comparing the result of division with parseInt() of that result. It works for dividers that are bigger than 1. For small dividers such as 0.01 the result of the division is usually not integer (even when it should be integer, see issue [#84](https://github.com/ajv-validator/ajv/issues/84)). If you need to use fractional dividers set this option to some positive integer N to have `multipleOf` validated using this formula: `Math.abs(Math.round(division) - division) < 1e-N` (it is slower but allows for float arithmetics deviations).
+- _errorDataPath_ (deprecated): set `dataPath` to point to 'object' (default) or to 'property' when validating keywords `required`, `additionalProperties` and `dependencies`.
+- _messages_: Include human-readable messages in errors. `true` by default. `false` can be passed when custom messages are used (e.g. with [ajv-i18n](https://github.com/ajv-validator/ajv-i18n)).
+- _sourceCode_: add `sourceCode` property to validating function (for debugging; this code can be different from the result of toString call).
+- _processCode_: an optional function to process generated code before it is passed to Function constructor. It can be used to either beautify (the validating function is generated without line-breaks) or to transpile code. Starting from version 5.0.0 this option replaced options:
+  - `beautify` that formatted the generated function using [js-beautify](https://github.com/beautify-web/js-beautify). If you want to beautify the generated code pass a function calling `require('js-beautify').js_beautify` as `processCode: code => js_beautify(code)`.
+  - `transpile` that transpiled asynchronous validation function. You can still use `transpile` option with [ajv-async](https://github.com/ajv-validator/ajv-async) package. See [Asynchronous validation](#asynchronous-validation) for more information.
+- _cache_: an optional instance of cache to store compiled schemas using stable-stringified schema as a key. For example, set-associative cache [sacjs](https://github.com/epoberezkin/sacjs) can be used. If not passed then a simple hash is used which is good enough for the common use case (a limited number of statically defined schemas). Cache should have methods `put(key, value)`, `get(key)`, `del(key)` and `clear()`.
+- _serialize_: an optional function to serialize schema to cache key. Pass `false` to use schema itself as a key (e.g., if WeakMap used as a cache). By default [fast-json-stable-stringify](https://github.com/epoberezkin/fast-json-stable-stringify) is used.
+
+
+## Validation errors
+
+In case of validation failure, Ajv assigns the array of errors to `errors` property of validation function (or to `errors` property of Ajv instance when `validate` or `validateSchema` methods were called). In case of [asynchronous validation](#asynchronous-validation), the returned promise is rejected with exception `Ajv.ValidationError` that has `errors` property.
+
+
+### Error objects
+
+Each error is an object with the following properties:
+
+- _keyword_: validation keyword.
+- _dataPath_: the path to the part of the data that was validated. By default `dataPath` uses JavaScript property access notation (e.g., `".prop[1].subProp"`). When the option `jsonPointers` is true (see [Options](#options)) `dataPath` will be set using JSON pointer standard (e.g., `"/prop/1/subProp"`).
+- _schemaPath_: the path (JSON-pointer as a URI fragment) to the schema of the keyword that failed validation.
+- _params_: the object with the additional information about error that can be used to create custom error messages (e.g., using [ajv-i18n](https://github.com/ajv-validator/ajv-i18n) package). See below for parameters set by all keywords.
+- _message_: the standard error message (can be excluded with option `messages` set to false).
+- _schema_: the schema of the keyword (added with `verbose` option).
+- _parentSchema_: the schema containing the keyword (added with `verbose` option)
+- _data_: the data validated by the keyword (added with `verbose` option).
+
+__Please note__: `propertyNames` keyword schema validation errors have an additional property `propertyName`, `dataPath` points to the object. After schema validation for each property name, if it is invalid an additional error is added with the property `keyword` equal to `"propertyNames"`.
+
+
+### Error parameters
+
+Properties of `params` object in errors depend on the keyword that failed validation.
+
+- `maxItems`, `minItems`, `maxLength`, `minLength`, `maxProperties`, `minProperties` - property `limit` (number, the schema of the keyword).
+- `additionalItems` - property `limit` (the maximum number of allowed items in case when `items` keyword is an array of schemas and `additionalItems` is false).
+- `additionalProperties` - property `additionalProperty` (the property not used in `properties` and `patternProperties` keywords).
+- `dependencies` - properties:
+  - `property` (dependent property),
+  - `missingProperty` (required missing dependency - only the first one is reported currently)
+  - `deps` (required dependencies, comma separated list as a string),
+  - `depsCount` (the number of required dependencies).
+- `format` - property `format` (the schema of the keyword).
+- `maximum`, `minimum` - properties:
+  - `limit` (number, the schema of the keyword),
+  - `exclusive` (boolean, the schema of `exclusiveMaximum` or `exclusiveMinimum`),
+  - `comparison` (string, comparison operation to compare the data to the limit, with the data on the left and the limit on the right; can be "<", "<=", ">", ">=")
+- `multipleOf` - property `multipleOf` (the schema of the keyword)
+- `pattern` - property `pattern` (the schema of the keyword)
+- `required` - property `missingProperty` (required property that is missing).
+- `propertyNames` - property `propertyName` (an invalid property name).
+- `patternRequired` (in ajv-keywords) - property `missingPattern` (required pattern that did not match any property).
+- `type` - property `type` (required type(s), a string, can be a comma-separated list)
+- `uniqueItems` - properties `i` and `j` (indices of duplicate items).
+- `const` - property `allowedValue` pointing to the value (the schema of the keyword).
+- `enum` - property `allowedValues` pointing to the array of values (the schema of the keyword).
+- `$ref` - property `ref` with the referenced schema URI.
+- `oneOf` - property `passingSchemas` (array of indices of passing schemas, null if no schema passes).
+- custom keywords (in case keyword definition doesn't create errors) - property `keyword` (the keyword name).
+
+
+### Error logging
+
+Using the `logger` option when initiallizing Ajv will allow you to define custom logging. Here you can build upon the exisiting logging. The use of other logging packages is supported as long as the package or its associated wrapper exposes the required methods. If any of the required methods are missing an exception will be thrown.
+- **Required Methods**: `log`, `warn`, `error`
+
+```javascript
+var otherLogger = new OtherLogger();
+var ajv = new Ajv({
+  logger: {
+    log: console.log.bind(console),
+    warn: function warn() {
+      otherLogger.logWarn.apply(otherLogger, arguments);
+    },
+    error: function error() {
+      otherLogger.logError.apply(otherLogger, arguments);
+      console.error.apply(console, arguments);
+    }
+  }
+});
+```
+
+
+## Plugins
+
+Ajv can be extended with plugins that add custom keywords, formats or functions to process generated code. When such plugin is published as npm package it is recommended that it follows these conventions:
+
+- it exports a function
+- this function accepts ajv instance as the first parameter and returns the same instance to allow chaining
+- this function can accept an optional configuration as the second parameter
+
+If you have published a useful plugin please submit a PR to add it to the next section.
+
+
+## Related packages
+
+- [ajv-async](https://github.com/ajv-validator/ajv-async) - plugin to configure async validation mode
+- [ajv-bsontype](https://github.com/BoLaMN/ajv-bsontype) - plugin to validate mongodb's bsonType formats
+- [ajv-cli](https://github.com/jessedc/ajv-cli) - command line interface
+- [ajv-errors](https://github.com/ajv-validator/ajv-errors) - plugin for custom error messages
+- [ajv-i18n](https://github.com/ajv-validator/ajv-i18n) - internationalised error messages
+- [ajv-istanbul](https://github.com/ajv-validator/ajv-istanbul) - plugin to instrument generated validation code to measure test coverage of your schemas
+- [ajv-keywords](https://github.com/ajv-validator/ajv-keywords) - plugin with custom validation keywords (select, typeof, etc.)
+- [ajv-merge-patch](https://github.com/ajv-validator/ajv-merge-patch) - plugin with keywords $merge and $patch
+- [ajv-pack](https://github.com/ajv-validator/ajv-pack) - produces a compact module exporting validation functions
+- [ajv-formats-draft2019](https://github.com/luzlab/ajv-formats-draft2019) - format validators for draft2019 that aren't already included in ajv (ie. `idn-hostname`, `idn-email`, `iri`, `iri-reference` and `duration`).
+
+## Some packages using Ajv
+
+- [webpack](https://github.com/webpack/webpack) - a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser
+- [jsonscript-js](https://github.com/JSONScript/jsonscript-js) - the interpreter for [JSONScript](http://www.jsonscript.org) - scripted processing of existing endpoints and services
+- [osprey-method-handler](https://github.com/mulesoft-labs/osprey-method-handler) - Express middleware for validating requests and responses based on a RAML method object, used in [osprey](https://github.com/mulesoft/osprey) - validating API proxy generated from a RAML definition
+- [har-validator](https://github.com/ahmadnassri/har-validator) - HTTP Archive (HAR) validator
+- [jsoneditor](https://github.com/josdejong/jsoneditor) - a web-based tool to view, edit, format, and validate JSON http://jsoneditoronline.org
+- [JSON Schema Lint](https://github.com/nickcmaynard/jsonschemalint) - a web tool to validate JSON/YAML document against a single JSON Schema http://jsonschemalint.com
+- [objection](https://github.com/vincit/objection.js) - SQL-friendly ORM for Node.js
+- [table](https://github.com/gajus/table) - formats data into a string table
+- [ripple-lib](https://github.com/ripple/ripple-lib) - a JavaScript API for interacting with [Ripple](https://ripple.com) in Node.js and the browser
+- [restbase](https://github.com/wikimedia/restbase) - distributed storage with REST API & dispatcher for backend services built to provide a low-latency & high-throughput API for Wikipedia / Wikimedia content
+- [hippie-swagger](https://github.com/CacheControl/hippie-swagger) - [Hippie](https://github.com/vesln/hippie) wrapper that provides end to end API testing with swagger validation
+- [react-form-controlled](https://github.com/seeden/react-form-controlled) - React controlled form components with validation
+- [rabbitmq-schema](https://github.com/tjmehta/rabbitmq-schema) - a schema definition module for RabbitMQ graphs and messages
+- [@query/schema](https://www.npmjs.com/package/@query/schema) - stream filtering with a URI-safe query syntax parsing to JSON Schema
+- [chai-ajv-json-schema](https://github.com/peon374/chai-ajv-json-schema) - chai plugin to us JSON Schema with expect in mocha tests
+- [grunt-jsonschema-ajv](https://github.com/SignpostMarv/grunt-jsonschema-ajv) - Grunt plugin for validating files against JSON Schema
+- [extract-text-webpack-plugin](https://github.com/webpack-contrib/extract-text-webpack-plugin) - extract text from bundle into a file
+- [electron-builder](https://github.com/electron-userland/electron-builder) - a solution to package and build a ready for distribution Electron app
+- [addons-linter](https://github.com/mozilla/addons-linter) - Mozilla Add-ons Linter
+- [gh-pages-generator](https://github.com/epoberezkin/gh-pages-generator) - multi-page site generator converting markdown files to GitHub pages
+- [ESLint](https://github.com/eslint/eslint) - the pluggable linting utility for JavaScript and JSX
+
+
+## Tests
+
+```
+npm install
+git submodule update --init
+npm test
+```
+
+## Contributing
+
+All validation functions are generated using doT templates in [dot](https://github.com/ajv-validator/ajv/tree/master/lib/dot) folder. Templates are precompiled so doT is not a run-time dependency.
+
+`npm run build` - compiles templates to [dotjs](https://github.com/ajv-validator/ajv/tree/master/lib/dotjs) folder.
+
+`npm run watch` - automatically compiles templates when files in dot folder change
+
+Please see [Contributing guidelines](https://github.com/ajv-validator/ajv/blob/master/CONTRIBUTING.md)
+
+
+## Changes history
+
+See https://github.com/ajv-validator/ajv/releases
+
+__Please note__: [Changes in version 7.0.0-beta](https://github.com/ajv-validator/ajv/releases/tag/v7.0.0-beta.0)
+
+[Version 6.0.0](https://github.com/ajv-validator/ajv/releases/tag/v6.0.0).
+
+## Code of conduct
+
+Please review and follow the [Code of conduct](https://github.com/ajv-validator/ajv/blob/master/CODE_OF_CONDUCT.md).
+
+Please report any unacceptable behaviour to ajv.validator@gmail.com - it will be reviewed by the project team.
+
+
+## Open-source software support
+
+Ajv is a part of [Tidelift subscription](https://tidelift.com/subscription/pkg/npm-ajv?utm_source=npm-ajv&utm_medium=referral&utm_campaign=readme) - it provides a centralised support to open-source software users, in addition to the support provided by software maintainers.
+
+
+## License
+
+[MIT](https://github.com/ajv-validator/ajv/blob/master/LICENSE)
diff --git a/node_modules/ajv/dist/ajv.bundle.js b/node_modules/ajv/dist/ajv.bundle.js
new file mode 100644
index 000000000..e4d9d156f
--- /dev/null
+++ b/node_modules/ajv/dist/ajv.bundle.js
@@ -0,0 +1,7189 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Ajv = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+'use strict';
+
+
+var Cache = module.exports = function Cache() {
+  this._cache = {};
+};
+
+
+Cache.prototype.put = function Cache_put(key, value) {
+  this._cache[key] = value;
+};
+
+
+Cache.prototype.get = function Cache_get(key) {
+  return this._cache[key];
+};
+
+
+Cache.prototype.del = function Cache_del(key) {
+  delete this._cache[key];
+};
+
+
+Cache.prototype.clear = function Cache_clear() {
+  this._cache = {};
+};
+
+},{}],2:[function(require,module,exports){
+'use strict';
+
+var MissingRefError = require('./error_classes').MissingRef;
+
+module.exports = compileAsync;
+
+
+/**
+ * Creates validating function for passed schema with asynchronous loading of missing schemas.
+ * `loadSchema` option should be a function that accepts schema uri and returns promise that resolves with the schema.
+ * @this  Ajv
+ * @param {Object}   schema schema object
+ * @param {Boolean}  meta optional true to compile meta-schema; this parameter can be skipped
+ * @param {Function} callback an optional node-style callback, it is called with 2 parameters: error (or null) and validating function.
+ * @return {Promise} promise that resolves with a validating function.
+ */
+function compileAsync(schema, meta, callback) {
+  /* eslint no-shadow: 0 */
+  /* global Promise */
+  /* jshint validthis: true */
+  var self = this;
+  if (typeof this._opts.loadSchema != 'function')
+    throw new Error('options.loadSchema should be a function');
+
+  if (typeof meta == 'function') {
+    callback = meta;
+    meta = undefined;
+  }
+
+  var p = loadMetaSchemaOf(schema).then(function () {
+    var schemaObj = self._addSchema(schema, undefined, meta);
+    return schemaObj.validate || _compileAsync(schemaObj);
+  });
+
+  if (callback) {
+    p.then(
+      function(v) { callback(null, v); },
+      callback
+    );
+  }
+
+  return p;
+
+
+  function loadMetaSchemaOf(sch) {
+    var $schema = sch.$schema;
+    return $schema && !self.getSchema($schema)
+            ? compileAsync.call(self, { $ref: $schema }, true)
+            : Promise.resolve();
+  }
+
+
+  function _compileAsync(schemaObj) {
+    try { return self._compile(schemaObj); }
+    catch(e) {
+      if (e instanceof MissingRefError) return loadMissingSchema(e);
+      throw e;
+    }
+
+
+    function loadMissingSchema(e) {
+      var ref = e.missingSchema;
+      if (added(ref)) throw new Error('Schema ' + ref + ' is loaded but ' + e.missingRef + ' cannot be resolved');
+
+      var schemaPromise = self._loadingSchemas[ref];
+      if (!schemaPromise) {
+        schemaPromise = self._loadingSchemas[ref] = self._opts.loadSchema(ref);
+        schemaPromise.then(removePromise, removePromise);
+      }
+
+      return schemaPromise.then(function (sch) {
+        if (!added(ref)) {
+          return loadMetaSchemaOf(sch).then(function () {
+            if (!added(ref)) self.addSchema(sch, ref, undefined, meta);
+          });
+        }
+      }).then(function() {
+        return _compileAsync(schemaObj);
+      });
+
+      function removePromise() {
+        delete self._loadingSchemas[ref];
+      }
+
+      function added(ref) {
+        return self._refs[ref] || self._schemas[ref];
+      }
+    }
+  }
+}
+
+},{"./error_classes":3}],3:[function(require,module,exports){
+'use strict';
+
+var resolve = require('./resolve');
+
+module.exports = {
+  Validation: errorSubclass(ValidationError),
+  MissingRef: errorSubclass(MissingRefError)
+};
+
+
+function ValidationError(errors) {
+  this.message = 'validation failed';
+  this.errors = errors;
+  this.ajv = this.validation = true;
+}
+
+
+MissingRefError.message = function (baseId, ref) {
+  return 'can\'t resolve reference ' + ref + ' from id ' + baseId;
+};
+
+
+function MissingRefError(baseId, ref, message) {
+  this.message = message || MissingRefError.message(baseId, ref);
+  this.missingRef = resolve.url(baseId, ref);
+  this.missingSchema = resolve.normalizeId(resolve.fullPath(this.missingRef));
+}
+
+
+function errorSubclass(Subclass) {
+  Subclass.prototype = Object.create(Error.prototype);
+  Subclass.prototype.constructor = Subclass;
+  return Subclass;
+}
+
+},{"./resolve":6}],4:[function(require,module,exports){
+'use strict';
+
+var util = require('./util');
+
+var DATE = /^(\d\d\d\d)-(\d\d)-(\d\d)$/;
+var DAYS = [0,31,28,31,30,31,30,31,31,30,31,30,31];
+var TIME = /^(\d\d):(\d\d):(\d\d)(\.\d+)?(z|[+-]\d\d(?::?\d\d)?)?$/i;
+var HOSTNAME = /^(?=.{1,253}\.?$)[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[-0-9a-z]{0,61}[0-9a-z])?)*\.?$/i;
+var URI = /^(?:[a-z][a-z0-9+\-.]*:)(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)(?:\?(?:[a-z0-9\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i;
+var URIREF = /^(?:[a-z][a-z0-9+\-.]*:)?(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'"()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?(?:\?(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i;
+// uri-template: https://tools.ietf.org/html/rfc6570
+var URITEMPLATE = /^(?:(?:[^\x00-\x20"'<>%\\^`{|}]|%[0-9a-f]{2})|\{[+#./;?&=,!@|]?(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?(?:,(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?)*\})*$/i;
+// For the source: https://gist.github.com/dperini/729294
+// For test cases: https://mathiasbynens.be/demo/url-regex
+// @todo Delete current URL in favour of the commented out URL rule when this issue is fixed https://github.com/eslint/eslint/issues/7983.
+// var URL = /^(?:(?:https?|ftp):\/\/)(?:\S+(?::\S*)?@)?(?:(?!10(?:\.\d{1,3}){3})(?!127(?:\.\d{1,3}){3})(?!169\.254(?:\.\d{1,3}){2})(?!192\.168(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u{00a1}-\u{ffff}0-9]+-)*[a-z\u{00a1}-\u{ffff}0-9]+)(?:\.(?:[a-z\u{00a1}-\u{ffff}0-9]+-)*[a-z\u{00a1}-\u{ffff}0-9]+)*(?:\.(?:[a-z\u{00a1}-\u{ffff}]{2,})))(?::\d{2,5})?(?:\/[^\s]*)?$/iu;
+var URL = /^(?:(?:http[s\u017F]?|ftp):\/\/)(?:(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+(?::(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*)?@)?(?:(?!10(?:\.[0-9]{1,3}){3})(?!127(?:\.[0-9]{1,3}){3})(?!169\.254(?:\.[0-9]{1,3}){2})(?!192\.168(?:\.[0-9]{1,3}){2})(?!172\.(?:1[6-9]|2[0-9]|3[01])(?:\.[0-9]{1,3}){2})(?:[1-9][0-9]?|1[0-9][0-9]|2[01][0-9]|22[0-3])(?:\.(?:1?[0-9]{1,2}|2[0-4][0-9]|25[0-5])){2}(?:\.(?:[1-9][0-9]?|1[0-9][0-9]|2[0-4][0-9]|25[0-4]))|(?:(?:(?:[0-9a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+-)*(?:[0-9a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+)(?:\.(?:(?:[0-9a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+-)*(?:[0-9a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+)*(?:\.(?:(?:[a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]){2,})))(?::[0-9]{2,5})?(?:\/(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*)?$/i;
+var UUID = /^(?:urn:uuid:)?[0-9a-f]{8}-(?:[0-9a-f]{4}-){3}[0-9a-f]{12}$/i;
+var JSON_POINTER = /^(?:\/(?:[^~/]|~0|~1)*)*$/;
+var JSON_POINTER_URI_FRAGMENT = /^#(?:\/(?:[a-z0-9_\-.!$&'()*+,;:=@]|%[0-9a-f]{2}|~0|~1)*)*$/i;
+var RELATIVE_JSON_POINTER = /^(?:0|[1-9][0-9]*)(?:#|(?:\/(?:[^~/]|~0|~1)*)*)$/;
+
+
+module.exports = formats;
+
+function formats(mode) {
+  mode = mode == 'full' ? 'full' : 'fast';
+  return util.copy(formats[mode]);
+}
+
+
+formats.fast = {
+  // date: http://tools.ietf.org/html/rfc3339#section-5.6
+  date: /^\d\d\d\d-[0-1]\d-[0-3]\d$/,
+  // date-time: http://tools.ietf.org/html/rfc3339#section-5.6
+  time: /^(?:[0-2]\d:[0-5]\d:[0-5]\d|23:59:60)(?:\.\d+)?(?:z|[+-]\d\d(?::?\d\d)?)?$/i,
+  'date-time': /^\d\d\d\d-[0-1]\d-[0-3]\d[t\s](?:[0-2]\d:[0-5]\d:[0-5]\d|23:59:60)(?:\.\d+)?(?:z|[+-]\d\d(?::?\d\d)?)$/i,
+  // uri: https://github.com/mafintosh/is-my-json-valid/blob/master/formats.js
+  uri: /^(?:[a-z][a-z0-9+\-.]*:)(?:\/?\/)?[^\s]*$/i,
+  'uri-reference': /^(?:(?:[a-z][a-z0-9+\-.]*:)?\/?\/)?(?:[^\\\s#][^\s#]*)?(?:#[^\\\s]*)?$/i,
+  'uri-template': URITEMPLATE,
+  url: URL,
+  // email (sources from jsen validator):
+  // http://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address#answer-8829363
+  // http://www.w3.org/TR/html5/forms.html#valid-e-mail-address (search for 'willful violation')
+  email: /^[a-z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?)*$/i,
+  hostname: HOSTNAME,
+  // optimized https://www.safaribooksonline.com/library/view/regular-expressions-cookbook/9780596802837/ch07s16.html
+  ipv4: /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
+  // optimized http://stackoverflow.com/questions/53497/regular-expression-that-matches-valid-ipv6-addresses
+  ipv6: /^\s*(?:(?:(?:[0-9a-f]{1,4}:){7}(?:[0-9a-f]{1,4}|:))|(?:(?:[0-9a-f]{1,4}:){6}(?::[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){5}(?:(?:(?::[0-9a-f]{1,4}){1,2})|:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){4}(?:(?:(?::[0-9a-f]{1,4}){1,3})|(?:(?::[0-9a-f]{1,4})?:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){3}(?:(?:(?::[0-9a-f]{1,4}){1,4})|(?:(?::[0-9a-f]{1,4}){0,2}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){2}(?:(?:(?::[0-9a-f]{1,4}){1,5})|(?:(?::[0-9a-f]{1,4}){0,3}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){1}(?:(?:(?::[0-9a-f]{1,4}){1,6})|(?:(?::[0-9a-f]{1,4}){0,4}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?::(?:(?:(?::[0-9a-f]{1,4}){1,7})|(?:(?::[0-9a-f]{1,4}){0,5}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(?:%.+)?\s*$/i,
+  regex: regex,
+  // uuid: http://tools.ietf.org/html/rfc4122
+  uuid: UUID,
+  // JSON-pointer: https://tools.ietf.org/html/rfc6901
+  // uri fragment: https://tools.ietf.org/html/rfc3986#appendix-A
+  'json-pointer': JSON_POINTER,
+  'json-pointer-uri-fragment': JSON_POINTER_URI_FRAGMENT,
+  // relative JSON-pointer: http://tools.ietf.org/html/draft-luff-relative-json-pointer-00
+  'relative-json-pointer': RELATIVE_JSON_POINTER
+};
+
+
+formats.full = {
+  date: date,
+  time: time,
+  'date-time': date_time,
+  uri: uri,
+  'uri-reference': URIREF,
+  'uri-template': URITEMPLATE,
+  url: URL,
+  email: /^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/i,
+  hostname: HOSTNAME,
+  ipv4: /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
+  ipv6: /^\s*(?:(?:(?:[0-9a-f]{1,4}:){7}(?:[0-9a-f]{1,4}|:))|(?:(?:[0-9a-f]{1,4}:){6}(?::[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){5}(?:(?:(?::[0-9a-f]{1,4}){1,2})|:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){4}(?:(?:(?::[0-9a-f]{1,4}){1,3})|(?:(?::[0-9a-f]{1,4})?:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){3}(?:(?:(?::[0-9a-f]{1,4}){1,4})|(?:(?::[0-9a-f]{1,4}){0,2}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){2}(?:(?:(?::[0-9a-f]{1,4}){1,5})|(?:(?::[0-9a-f]{1,4}){0,3}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){1}(?:(?:(?::[0-9a-f]{1,4}){1,6})|(?:(?::[0-9a-f]{1,4}){0,4}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?::(?:(?:(?::[0-9a-f]{1,4}){1,7})|(?:(?::[0-9a-f]{1,4}){0,5}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(?:%.+)?\s*$/i,
+  regex: regex,
+  uuid: UUID,
+  'json-pointer': JSON_POINTER,
+  'json-pointer-uri-fragment': JSON_POINTER_URI_FRAGMENT,
+  'relative-json-pointer': RELATIVE_JSON_POINTER
+};
+
+
+function isLeapYear(year) {
+  // https://tools.ietf.org/html/rfc3339#appendix-C
+  return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
+}
+
+
+function date(str) {
+  // full-date from http://tools.ietf.org/html/rfc3339#section-5.6
+  var matches = str.match(DATE);
+  if (!matches) return false;
+
+  var year = +matches[1];
+  var month = +matches[2];
+  var day = +matches[3];
+
+  return month >= 1 && month <= 12 && day >= 1 &&
+          day <= (month == 2 && isLeapYear(year) ? 29 : DAYS[month]);
+}
+
+
+function time(str, full) {
+  var matches = str.match(TIME);
+  if (!matches) return false;
+
+  var hour = matches[1];
+  var minute = matches[2];
+  var second = matches[3];
+  var timeZone = matches[5];
+  return ((hour <= 23 && minute <= 59 && second <= 59) ||
+          (hour == 23 && minute == 59 && second == 60)) &&
+         (!full || timeZone);
+}
+
+
+var DATE_TIME_SEPARATOR = /t|\s/i;
+function date_time(str) {
+  // http://tools.ietf.org/html/rfc3339#section-5.6
+  var dateTime = str.split(DATE_TIME_SEPARATOR);
+  return dateTime.length == 2 && date(dateTime[0]) && time(dateTime[1], true);
+}
+
+
+var NOT_URI_FRAGMENT = /\/|:/;
+function uri(str) {
+  // http://jmrware.com/articles/2009/uri_regexp/URI_regex.html + optional protocol + required "."
+  return NOT_URI_FRAGMENT.test(str) && URI.test(str);
+}
+
+
+var Z_ANCHOR = /[^\\]\\Z/;
+function regex(str) {
+  if (Z_ANCHOR.test(str)) return false;
+  try {
+    new RegExp(str);
+    return true;
+  } catch(e) {
+    return false;
+  }
+}
+
+},{"./util":10}],5:[function(require,module,exports){
+'use strict';
+
+var resolve = require('./resolve')
+  , util = require('./util')
+  , errorClasses = require('./error_classes')
+  , stableStringify = require('fast-json-stable-stringify');
+
+var validateGenerator = require('../dotjs/validate');
+
+/**
+ * Functions below are used inside compiled validations function
+ */
+
+var ucs2length = util.ucs2length;
+var equal = require('fast-deep-equal');
+
+// this error is thrown by async schemas to return validation errors via exception
+var ValidationError = errorClasses.Validation;
+
+module.exports = compile;
+
+
+/**
+ * Compiles schema to validation function
+ * @this   Ajv
+ * @param  {Object} schema schema object
+ * @param  {Object} root object with information about the root schema for this schema
+ * @param  {Object} localRefs the hash of local references inside the schema (created by resolve.id), used for inline resolution
+ * @param  {String} baseId base ID for IDs in the schema
+ * @return {Function} validation function
+ */
+function compile(schema, root, localRefs, baseId) {
+  /* jshint validthis: true, evil: true */
+  /* eslint no-shadow: 0 */
+  var self = this
+    , opts = this._opts
+    , refVal = [ undefined ]
+    , refs = {}
+    , patterns = []
+    , patternsHash = {}
+    , defaults = []
+    , defaultsHash = {}
+    , customRules = [];
+
+  root = root || { schema: schema, refVal: refVal, refs: refs };
+
+  var c = checkCompiling.call(this, schema, root, baseId);
+  var compilation = this._compilations[c.index];
+  if (c.compiling) return (compilation.callValidate = callValidate);
+
+  var formats = this._formats;
+  var RULES = this.RULES;
+
+  try {
+    var v = localCompile(schema, root, localRefs, baseId);
+    compilation.validate = v;
+    var cv = compilation.callValidate;
+    if (cv) {
+      cv.schema = v.schema;
+      cv.errors = null;
+      cv.refs = v.refs;
+      cv.refVal = v.refVal;
+      cv.root = v.root;
+      cv.$async = v.$async;
+      if (opts.sourceCode) cv.source = v.source;
+    }
+    return v;
+  } finally {
+    endCompiling.call(this, schema, root, baseId);
+  }
+
+  /* @this   {*} - custom context, see passContext option */
+  function callValidate() {
+    /* jshint validthis: true */
+    var validate = compilation.validate;
+    var result = validate.apply(this, arguments);
+    callValidate.errors = validate.errors;
+    return result;
+  }
+
+  function localCompile(_schema, _root, localRefs, baseId) {
+    var isRoot = !_root || (_root && _root.schema == _schema);
+    if (_root.schema != root.schema)
+      return compile.call(self, _schema, _root, localRefs, baseId);
+
+    var $async = _schema.$async === true;
+
+    var sourceCode = validateGenerator({
+      isTop: true,
+      schema: _schema,
+      isRoot: isRoot,
+      baseId: baseId,
+      root: _root,
+      schemaPath: '',
+      errSchemaPath: '#',
+      errorPath: '""',
+      MissingRefError: errorClasses.MissingRef,
+      RULES: RULES,
+      validate: validateGenerator,
+      util: util,
+      resolve: resolve,
+      resolveRef: resolveRef,
+      usePattern: usePattern,
+      useDefault: useDefault,
+      useCustomRule: useCustomRule,
+      opts: opts,
+      formats: formats,
+      logger: self.logger,
+      self: self
+    });
+
+    sourceCode = vars(refVal, refValCode) + vars(patterns, patternCode)
+                   + vars(defaults, defaultCode) + vars(customRules, customRuleCode)
+                   + sourceCode;
+
+    if (opts.processCode) sourceCode = opts.processCode(sourceCode, _schema);
+    // console.log('\n\n\n *** \n', JSON.stringify(sourceCode));
+    var validate;
+    try {
+      var makeValidate = new Function(
+        'self',
+        'RULES',
+        'formats',
+        'root',
+        'refVal',
+        'defaults',
+        'customRules',
+        'equal',
+        'ucs2length',
+        'ValidationError',
+        sourceCode
+      );
+
+      validate = makeValidate(
+        self,
+        RULES,
+        formats,
+        root,
+        refVal,
+        defaults,
+        customRules,
+        equal,
+        ucs2length,
+        ValidationError
+      );
+
+      refVal[0] = validate;
+    } catch(e) {
+      self.logger.error('Error compiling schema, function code:', sourceCode);
+      throw e;
+    }
+
+    validate.schema = _schema;
+    validate.errors = null;
+    validate.refs = refs;
+    validate.refVal = refVal;
+    validate.root = isRoot ? validate : _root;
+    if ($async) validate.$async = true;
+    if (opts.sourceCode === true) {
+      validate.source = {
+        code: sourceCode,
+        patterns: patterns,
+        defaults: defaults
+      };
+    }
+
+    return validate;
+  }
+
+  function resolveRef(baseId, ref, isRoot) {
+    ref = resolve.url(baseId, ref);
+    var refIndex = refs[ref];
+    var _refVal, refCode;
+    if (refIndex !== undefined) {
+      _refVal = refVal[refIndex];
+      refCode = 'refVal[' + refIndex + ']';
+      return resolvedRef(_refVal, refCode);
+    }
+    if (!isRoot && root.refs) {
+      var rootRefId = root.refs[ref];
+      if (rootRefId !== undefined) {
+        _refVal = root.refVal[rootRefId];
+        refCode = addLocalRef(ref, _refVal);
+        return resolvedRef(_refVal, refCode);
+      }
+    }
+
+    refCode = addLocalRef(ref);
+    var v = resolve.call(self, localCompile, root, ref);
+    if (v === undefined) {
+      var localSchema = localRefs && localRefs[ref];
+      if (localSchema) {
+        v = resolve.inlineRef(localSchema, opts.inlineRefs)
+            ? localSchema
+            : compile.call(self, localSchema, root, localRefs, baseId);
+      }
+    }
+
+    if (v === undefined) {
+      removeLocalRef(ref);
+    } else {
+      replaceLocalRef(ref, v);
+      return resolvedRef(v, refCode);
+    }
+  }
+
+  function addLocalRef(ref, v) {
+    var refId = refVal.length;
+    refVal[refId] = v;
+    refs[ref] = refId;
+    return 'refVal' + refId;
+  }
+
+  function removeLocalRef(ref) {
+    delete refs[ref];
+  }
+
+  function replaceLocalRef(ref, v) {
+    var refId = refs[ref];
+    refVal[refId] = v;
+  }
+
+  function resolvedRef(refVal, code) {
+    return typeof refVal == 'object' || typeof refVal == 'boolean'
+            ? { code: code, schema: refVal, inline: true }
+            : { code: code, $async: refVal && !!refVal.$async };
+  }
+
+  function usePattern(regexStr) {
+    var index = patternsHash[regexStr];
+    if (index === undefined) {
+      index = patternsHash[regexStr] = patterns.length;
+      patterns[index] = regexStr;
+    }
+    return 'pattern' + index;
+  }
+
+  function useDefault(value) {
+    switch (typeof value) {
+      case 'boolean':
+      case 'number':
+        return '' + value;
+      case 'string':
+        return util.toQuotedString(value);
+      case 'object':
+        if (value === null) return 'null';
+        var valueStr = stableStringify(value);
+        var index = defaultsHash[valueStr];
+        if (index === undefined) {
+          index = defaultsHash[valueStr] = defaults.length;
+          defaults[index] = value;
+        }
+        return 'default' + index;
+    }
+  }
+
+  function useCustomRule(rule, schema, parentSchema, it) {
+    if (self._opts.validateSchema !== false) {
+      var deps = rule.definition.dependencies;
+      if (deps && !deps.every(function(keyword) {
+        return Object.prototype.hasOwnProperty.call(parentSchema, keyword);
+      }))
+        throw new Error('parent schema must have all required keywords: ' + deps.join(','));
+
+      var validateSchema = rule.definition.validateSchema;
+      if (validateSchema) {
+        var valid = validateSchema(schema);
+        if (!valid) {
+          var message = 'keyword schema is invalid: ' + self.errorsText(validateSchema.errors);
+          if (self._opts.validateSchema == 'log') self.logger.error(message);
+          else throw new Error(message);
+        }
+      }
+    }
+
+    var compile = rule.definition.compile
+      , inline = rule.definition.inline
+      , macro = rule.definition.macro;
+
+    var validate;
+    if (compile) {
+      validate = compile.call(self, schema, parentSchema, it);
+    } else if (macro) {
+      validate = macro.call(self, schema, parentSchema, it);
+      if (opts.validateSchema !== false) self.validateSchema(validate, true);
+    } else if (inline) {
+      validate = inline.call(self, it, rule.keyword, schema, parentSchema);
+    } else {
+      validate = rule.definition.validate;
+      if (!validate) return;
+    }
+
+    if (validate === undefined)
+      throw new Error('custom keyword "' + rule.keyword + '"failed to compile');
+
+    var index = customRules.length;
+    customRules[index] = validate;
+
+    return {
+      code: 'customRule' + index,
+      validate: validate
+    };
+  }
+}
+
+
+/**
+ * Checks if the schema is currently compiled
+ * @this   Ajv
+ * @param  {Object} schema schema to compile
+ * @param  {Object} root root object
+ * @param  {String} baseId base schema ID
+ * @return {Object} object with properties "index" (compilation index) and "compiling" (boolean)
+ */
+function checkCompiling(schema, root, baseId) {
+  /* jshint validthis: true */
+  var index = compIndex.call(this, schema, root, baseId);
+  if (index >= 0) return { index: index, compiling: true };
+  index = this._compilations.length;
+  this._compilations[index] = {
+    schema: schema,
+    root: root,
+    baseId: baseId
+  };
+  return { index: index, compiling: false };
+}
+
+
+/**
+ * Removes the schema from the currently compiled list
+ * @this   Ajv
+ * @param  {Object} schema schema to compile
+ * @param  {Object} root root object
+ * @param  {String} baseId base schema ID
+ */
+function endCompiling(schema, root, baseId) {
+  /* jshint validthis: true */
+  var i = compIndex.call(this, schema, root, baseId);
+  if (i >= 0) this._compilations.splice(i, 1);
+}
+
+
+/**
+ * Index of schema compilation in the currently compiled list
+ * @this   Ajv
+ * @param  {Object} schema schema to compile
+ * @param  {Object} root root object
+ * @param  {String} baseId base schema ID
+ * @return {Integer} compilation index
+ */
+function compIndex(schema, root, baseId) {
+  /* jshint validthis: true */
+  for (var i=0; i<this._compilations.length; i++) {
+    var c = this._compilations[i];
+    if (c.schema == schema && c.root == root && c.baseId == baseId) return i;
+  }
+  return -1;
+}
+
+
+function patternCode(i, patterns) {
+  return 'var pattern' + i + ' = new RegExp(' + util.toQuotedString(patterns[i]) + ');';
+}
+
+
+function defaultCode(i) {
+  return 'var default' + i + ' = defaults[' + i + '];';
+}
+
+
+function refValCode(i, refVal) {
+  return refVal[i] === undefined ? '' : 'var refVal' + i + ' = refVal[' + i + '];';
+}
+
+
+function customRuleCode(i) {
+  return 'var customRule' + i + ' = customRules[' + i + '];';
+}
+
+
+function vars(arr, statement) {
+  if (!arr.length) return '';
+  var code = '';
+  for (var i=0; i<arr.length; i++)
+    code += statement(i, arr);
+  return code;
+}
+
+},{"../dotjs/validate":38,"./error_classes":3,"./resolve":6,"./util":10,"fast-deep-equal":42,"fast-json-stable-stringify":43}],6:[function(require,module,exports){
+'use strict';
+
+var URI = require('uri-js')
+  , equal = require('fast-deep-equal')
+  , util = require('./util')
+  , SchemaObject = require('./schema_obj')
+  , traverse = require('json-schema-traverse');
+
+module.exports = resolve;
+
+resolve.normalizeId = normalizeId;
+resolve.fullPath = getFullPath;
+resolve.url = resolveUrl;
+resolve.ids = resolveIds;
+resolve.inlineRef = inlineRef;
+resolve.schema = resolveSchema;
+
+/**
+ * [resolve and compile the references ($ref)]
+ * @this   Ajv
+ * @param  {Function} compile reference to schema compilation funciton (localCompile)
+ * @param  {Object} root object with information about the root schema for the current schema
+ * @param  {String} ref reference to resolve
+ * @return {Object|Function} schema object (if the schema can be inlined) or validation function
+ */
+function resolve(compile, root, ref) {
+  /* jshint validthis: true */
+  var refVal = this._refs[ref];
+  if (typeof refVal == 'string') {
+    if (this._refs[refVal]) refVal = this._refs[refVal];
+    else return resolve.call(this, compile, root, refVal);
+  }
+
+  refVal = refVal || this._schemas[ref];
+  if (refVal instanceof SchemaObject) {
+    return inlineRef(refVal.schema, this._opts.inlineRefs)
+            ? refVal.schema
+            : refVal.validate || this._compile(refVal);
+  }
+
+  var res = resolveSchema.call(this, root, ref);
+  var schema, v, baseId;
+  if (res) {
+    schema = res.schema;
+    root = res.root;
+    baseId = res.baseId;
+  }
+
+  if (schema instanceof SchemaObject) {
+    v = schema.validate || compile.call(this, schema.schema, root, undefined, baseId);
+  } else if (schema !== undefined) {
+    v = inlineRef(schema, this._opts.inlineRefs)
+        ? schema
+        : compile.call(this, schema, root, undefined, baseId);
+  }
+
+  return v;
+}
+
+
+/**
+ * Resolve schema, its root and baseId
+ * @this Ajv
+ * @param  {Object} root root object with properties schema, refVal, refs
+ * @param  {String} ref  reference to resolve
+ * @return {Object} object with properties schema, root, baseId
+ */
+function resolveSchema(root, ref) {
+  /* jshint validthis: true */
+  var p = URI.parse(ref)
+    , refPath = _getFullPath(p)
+    , baseId = getFullPath(this._getId(root.schema));
+  if (Object.keys(root.schema).length === 0 || refPath !== baseId) {
+    var id = normalizeId(refPath);
+    var refVal = this._refs[id];
+    if (typeof refVal == 'string') {
+      return resolveRecursive.call(this, root, refVal, p);
+    } else if (refVal instanceof SchemaObject) {
+      if (!refVal.validate) this._compile(refVal);
+      root = refVal;
+    } else {
+      refVal = this._schemas[id];
+      if (refVal instanceof SchemaObject) {
+        if (!refVal.validate) this._compile(refVal);
+        if (id == normalizeId(ref))
+          return { schema: refVal, root: root, baseId: baseId };
+        root = refVal;
+      } else {
+        return;
+      }
+    }
+    if (!root.schema) return;
+    baseId = getFullPath(this._getId(root.schema));
+  }
+  return getJsonPointer.call(this, p, baseId, root.schema, root);
+}
+
+
+/* @this Ajv */
+function resolveRecursive(root, ref, parsedRef) {
+  /* jshint validthis: true */
+  var res = resolveSchema.call(this, root, ref);
+  if (res) {
+    var schema = res.schema;
+    var baseId = res.baseId;
+    root = res.root;
+    var id = this._getId(schema);
+    if (id) baseId = resolveUrl(baseId, id);
+    return getJsonPointer.call(this, parsedRef, baseId, schema, root);
+  }
+}
+
+
+var PREVENT_SCOPE_CHANGE = util.toHash(['properties', 'patternProperties', 'enum', 'dependencies', 'definitions']);
+/* @this Ajv */
+function getJsonPointer(parsedRef, baseId, schema, root) {
+  /* jshint validthis: true */
+  parsedRef.fragment = parsedRef.fragment || '';
+  if (parsedRef.fragment.slice(0,1) != '/') return;
+  var parts = parsedRef.fragment.split('/');
+
+  for (var i = 1; i < parts.length; i++) {
+    var part = parts[i];
+    if (part) {
+      part = util.unescapeFragment(part);
+      schema = schema[part];
+      if (schema === undefined) break;
+      var id;
+      if (!PREVENT_SCOPE_CHANGE[part]) {
+        id = this._getId(schema);
+        if (id) baseId = resolveUrl(baseId, id);
+        if (schema.$ref) {
+          var $ref = resolveUrl(baseId, schema.$ref);
+          var res = resolveSchema.call(this, root, $ref);
+          if (res) {
+            schema = res.schema;
+            root = res.root;
+            baseId = res.baseId;
+          }
+        }
+      }
+    }
+  }
+  if (schema !== undefined && schema !== root.schema)
+    return { schema: schema, root: root, baseId: baseId };
+}
+
+
+var SIMPLE_INLINED = util.toHash([
+  'type', 'format', 'pattern',
+  'maxLength', 'minLength',
+  'maxProperties', 'minProperties',
+  'maxItems', 'minItems',
+  'maximum', 'minimum',
+  'uniqueItems', 'multipleOf',
+  'required', 'enum'
+]);
+function inlineRef(schema, limit) {
+  if (limit === false) return false;
+  if (limit === undefined || limit === true) return checkNoRef(schema);
+  else if (limit) return countKeys(schema) <= limit;
+}
+
+
+function checkNoRef(schema) {
+  var item;
+  if (Array.isArray(schema)) {
+    for (var i=0; i<schema.length; i++) {
+      item = schema[i];
+      if (typeof item == 'object' && !checkNoRef(item)) return false;
+    }
+  } else {
+    for (var key in schema) {
+      if (key == '$ref') return false;
+      item = schema[key];
+      if (typeof item == 'object' && !checkNoRef(item)) return false;
+    }
+  }
+  return true;
+}
+
+
+function countKeys(schema) {
+  var count = 0, item;
+  if (Array.isArray(schema)) {
+    for (var i=0; i<schema.length; i++) {
+      item = schema[i];
+      if (typeof item == 'object') count += countKeys(item);
+      if (count == Infinity) return Infinity;
+    }
+  } else {
+    for (var key in schema) {
+      if (key == '$ref') return Infinity;
+      if (SIMPLE_INLINED[key]) {
+        count++;
+      } else {
+        item = schema[key];
+        if (typeof item == 'object') count += countKeys(item) + 1;
+        if (count == Infinity) return Infinity;
+      }
+    }
+  }
+  return count;
+}
+
+
+function getFullPath(id, normalize) {
+  if (normalize !== false) id = normalizeId(id);
+  var p = URI.parse(id);
+  return _getFullPath(p);
+}
+
+
+function _getFullPath(p) {
+  return URI.serialize(p).split('#')[0] + '#';
+}
+
+
+var TRAILING_SLASH_HASH = /#\/?$/;
+function normalizeId(id) {
+  return id ? id.replace(TRAILING_SLASH_HASH, '') : '';
+}
+
+
+function resolveUrl(baseId, id) {
+  id = normalizeId(id);
+  return URI.resolve(baseId, id);
+}
+
+
+/* @this Ajv */
+function resolveIds(schema) {
+  var schemaId = normalizeId(this._getId(schema));
+  var baseIds = {'': schemaId};
+  var fullPaths = {'': getFullPath(schemaId, false)};
+  var localRefs = {};
+  var self = this;
+
+  traverse(schema, {allKeys: true}, function(sch, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) {
+    if (jsonPtr === '') return;
+    var id = self._getId(sch);
+    var baseId = baseIds[parentJsonPtr];
+    var fullPath = fullPaths[parentJsonPtr] + '/' + parentKeyword;
+    if (keyIndex !== undefined)
+      fullPath += '/' + (typeof keyIndex == 'number' ? keyIndex : util.escapeFragment(keyIndex));
+
+    if (typeof id == 'string') {
+      id = baseId = normalizeId(baseId ? URI.resolve(baseId, id) : id);
+
+      var refVal = self._refs[id];
+      if (typeof refVal == 'string') refVal = self._refs[refVal];
+      if (refVal && refVal.schema) {
+        if (!equal(sch, refVal.schema))
+          throw new Error('id "' + id + '" resolves to more than one schema');
+      } else if (id != normalizeId(fullPath)) {
+        if (id[0] == '#') {
+          if (localRefs[id] && !equal(sch, localRefs[id]))
+            throw new Error('id "' + id + '" resolves to more than one schema');
+          localRefs[id] = sch;
+        } else {
+          self._refs[id] = fullPath;
+        }
+      }
+    }
+    baseIds[jsonPtr] = baseId;
+    fullPaths[jsonPtr] = fullPath;
+  });
+
+  return localRefs;
+}
+
+},{"./schema_obj":8,"./util":10,"fast-deep-equal":42,"json-schema-traverse":44,"uri-js":45}],7:[function(require,module,exports){
+'use strict';
+
+var ruleModules = require('../dotjs')
+  , toHash = require('./util').toHash;
+
+module.exports = function rules() {
+  var RULES = [
+    { type: 'number',
+      rules: [ { 'maximum': ['exclusiveMaximum'] },
+               { 'minimum': ['exclusiveMinimum'] }, 'multipleOf', 'format'] },
+    { type: 'string',
+      rules: [ 'maxLength', 'minLength', 'pattern', 'format' ] },
+    { type: 'array',
+      rules: [ 'maxItems', 'minItems', 'items', 'contains', 'uniqueItems' ] },
+    { type: 'object',
+      rules: [ 'maxProperties', 'minProperties', 'required', 'dependencies', 'propertyNames',
+               { 'properties': ['additionalProperties', 'patternProperties'] } ] },
+    { rules: [ '$ref', 'const', 'enum', 'not', 'anyOf', 'oneOf', 'allOf', 'if' ] }
+  ];
+
+  var ALL = [ 'type', '$comment' ];
+  var KEYWORDS = [
+    '$schema', '$id', 'id', '$data', '$async', 'title',
+    'description', 'default', 'definitions',
+    'examples', 'readOnly', 'writeOnly',
+    'contentMediaType', 'contentEncoding',
+    'additionalItems', 'then', 'else'
+  ];
+  var TYPES = [ 'number', 'integer', 'string', 'array', 'object', 'boolean', 'null' ];
+  RULES.all = toHash(ALL);
+  RULES.types = toHash(TYPES);
+
+  RULES.forEach(function (group) {
+    group.rules = group.rules.map(function (keyword) {
+      var implKeywords;
+      if (typeof keyword == 'object') {
+        var key = Object.keys(keyword)[0];
+        implKeywords = keyword[key];
+        keyword = key;
+        implKeywords.forEach(function (k) {
+          ALL.push(k);
+          RULES.all[k] = true;
+        });
+      }
+      ALL.push(keyword);
+      var rule = RULES.all[keyword] = {
+        keyword: keyword,
+        code: ruleModules[keyword],
+        implements: implKeywords
+      };
+      return rule;
+    });
+
+    RULES.all.$comment = {
+      keyword: '$comment',
+      code: ruleModules.$comment
+    };
+
+    if (group.type) RULES.types[group.type] = group;
+  });
+
+  RULES.keywords = toHash(ALL.concat(KEYWORDS));
+  RULES.custom = {};
+
+  return RULES;
+};
+
+},{"../dotjs":27,"./util":10}],8:[function(require,module,exports){
+'use strict';
+
+var util = require('./util');
+
+module.exports = SchemaObject;
+
+function SchemaObject(obj) {
+  util.copy(obj, this);
+}
+
+},{"./util":10}],9:[function(require,module,exports){
+'use strict';
+
+// https://mathiasbynens.be/notes/javascript-encoding
+// https://github.com/bestiejs/punycode.js - punycode.ucs2.decode
+module.exports = function ucs2length(str) {
+  var length = 0
+    , len = str.length
+    , pos = 0
+    , value;
+  while (pos < len) {
+    length++;
+    value = str.charCodeAt(pos++);
+    if (value >= 0xD800 && value <= 0xDBFF && pos < len) {
+      // high surrogate, and there is a next character
+      value = str.charCodeAt(pos);
+      if ((value & 0xFC00) == 0xDC00) pos++; // low surrogate
+    }
+  }
+  return length;
+};
+
+},{}],10:[function(require,module,exports){
+'use strict';
+
+
+module.exports = {
+  copy: copy,
+  checkDataType: checkDataType,
+  checkDataTypes: checkDataTypes,
+  coerceToTypes: coerceToTypes,
+  toHash: toHash,
+  getProperty: getProperty,
+  escapeQuotes: escapeQuotes,
+  equal: require('fast-deep-equal'),
+  ucs2length: require('./ucs2length'),
+  varOccurences: varOccurences,
+  varReplace: varReplace,
+  schemaHasRules: schemaHasRules,
+  schemaHasRulesExcept: schemaHasRulesExcept,
+  schemaUnknownRules: schemaUnknownRules,
+  toQuotedString: toQuotedString,
+  getPathExpr: getPathExpr,
+  getPath: getPath,
+  getData: getData,
+  unescapeFragment: unescapeFragment,
+  unescapeJsonPointer: unescapeJsonPointer,
+  escapeFragment: escapeFragment,
+  escapeJsonPointer: escapeJsonPointer
+};
+
+
+function copy(o, to) {
+  to = to || {};
+  for (var key in o) to[key] = o[key];
+  return to;
+}
+
+
+function checkDataType(dataType, data, strictNumbers, negate) {
+  var EQUAL = negate ? ' !== ' : ' === '
+    , AND = negate ? ' || ' : ' && '
+    , OK = negate ? '!' : ''
+    , NOT = negate ? '' : '!';
+  switch (dataType) {
+    case 'null': return data + EQUAL + 'null';
+    case 'array': return OK + 'Array.isArray(' + data + ')';
+    case 'object': return '(' + OK + data + AND +
+                          'typeof ' + data + EQUAL + '"object"' + AND +
+                          NOT + 'Array.isArray(' + data + '))';
+    case 'integer': return '(typeof ' + data + EQUAL + '"number"' + AND +
+                           NOT + '(' + data + ' % 1)' +
+                           AND + data + EQUAL + data +
+                           (strictNumbers ? (AND + OK + 'isFinite(' + data + ')') : '') + ')';
+    case 'number': return '(typeof ' + data + EQUAL + '"' + dataType + '"' +
+                          (strictNumbers ? (AND + OK + 'isFinite(' + data + ')') : '') + ')';
+    default: return 'typeof ' + data + EQUAL + '"' + dataType + '"';
+  }
+}
+
+
+function checkDataTypes(dataTypes, data, strictNumbers) {
+  switch (dataTypes.length) {
+    case 1: return checkDataType(dataTypes[0], data, strictNumbers, true);
+    default:
+      var code = '';
+      var types = toHash(dataTypes);
+      if (types.array && types.object) {
+        code = types.null ? '(': '(!' + data + ' || ';
+        code += 'typeof ' + data + ' !== "object")';
+        delete types.null;
+        delete types.array;
+        delete types.object;
+      }
+      if (types.number) delete types.integer;
+      for (var t in types)
+        code += (code ? ' && ' : '' ) + checkDataType(t, data, strictNumbers, true);
+
+      return code;
+  }
+}
+
+
+var COERCE_TO_TYPES = toHash([ 'string', 'number', 'integer', 'boolean', 'null' ]);
+function coerceToTypes(optionCoerceTypes, dataTypes) {
+  if (Array.isArray(dataTypes)) {
+    var types = [];
+    for (var i=0; i<dataTypes.length; i++) {
+      var t = dataTypes[i];
+      if (COERCE_TO_TYPES[t]) types[types.length] = t;
+      else if (optionCoerceTypes === 'array' && t === 'array') types[types.length] = t;
+    }
+    if (types.length) return types;
+  } else if (COERCE_TO_TYPES[dataTypes]) {
+    return [dataTypes];
+  } else if (optionCoerceTypes === 'array' && dataTypes === 'array') {
+    return ['array'];
+  }
+}
+
+
+function toHash(arr) {
+  var hash = {};
+  for (var i=0; i<arr.length; i++) hash[arr[i]] = true;
+  return hash;
+}
+
+
+var IDENTIFIER = /^[a-z$_][a-z$_0-9]*$/i;
+var SINGLE_QUOTE = /'|\\/g;
+function getProperty(key) {
+  return typeof key == 'number'
+          ? '[' + key + ']'
+          : IDENTIFIER.test(key)
+            ? '.' + key
+            : "['" + escapeQuotes(key) + "']";
+}
+
+
+function escapeQuotes(str) {
+  return str.replace(SINGLE_QUOTE, '\\$&')
+            .replace(/\n/g, '\\n')
+            .replace(/\r/g, '\\r')
+            .replace(/\f/g, '\\f')
+            .replace(/\t/g, '\\t');
+}
+
+
+function varOccurences(str, dataVar) {
+  dataVar += '[^0-9]';
+  var matches = str.match(new RegExp(dataVar, 'g'));
+  return matches ? matches.length : 0;
+}
+
+
+function varReplace(str, dataVar, expr) {
+  dataVar += '([^0-9])';
+  expr = expr.replace(/\$/g, '$$$$');
+  return str.replace(new RegExp(dataVar, 'g'), expr + '$1');
+}
+
+
+function schemaHasRules(schema, rules) {
+  if (typeof schema == 'boolean') return !schema;
+  for (var key in schema) if (rules[key]) return true;
+}
+
+
+function schemaHasRulesExcept(schema, rules, exceptKeyword) {
+  if (typeof schema == 'boolean') return !schema && exceptKeyword != 'not';
+  for (var key in schema) if (key != exceptKeyword && rules[key]) return true;
+}
+
+
+function schemaUnknownRules(schema, rules) {
+  if (typeof schema == 'boolean') return;
+  for (var key in schema) if (!rules[key]) return key;
+}
+
+
+function toQuotedString(str) {
+  return '\'' + escapeQuotes(str) + '\'';
+}
+
+
+function getPathExpr(currentPath, expr, jsonPointers, isNumber) {
+  var path = jsonPointers // false by default
+              ? '\'/\' + ' + expr + (isNumber ? '' : '.replace(/~/g, \'~0\').replace(/\\//g, \'~1\')')
+              : (isNumber ? '\'[\' + ' + expr + ' + \']\'' : '\'[\\\'\' + ' + expr + ' + \'\\\']\'');
+  return joinPaths(currentPath, path);
+}
+
+
+function getPath(currentPath, prop, jsonPointers) {
+  var path = jsonPointers // false by default
+              ? toQuotedString('/' + escapeJsonPointer(prop))
+              : toQuotedString(getProperty(prop));
+  return joinPaths(currentPath, path);
+}
+
+
+var JSON_POINTER = /^\/(?:[^~]|~0|~1)*$/;
+var RELATIVE_JSON_POINTER = /^([0-9]+)(#|\/(?:[^~]|~0|~1)*)?$/;
+function getData($data, lvl, paths) {
+  var up, jsonPointer, data, matches;
+  if ($data === '') return 'rootData';
+  if ($data[0] == '/') {
+    if (!JSON_POINTER.test($data)) throw new Error('Invalid JSON-pointer: ' + $data);
+    jsonPointer = $data;
+    data = 'rootData';
+  } else {
+    matches = $data.match(RELATIVE_JSON_POINTER);
+    if (!matches) throw new Error('Invalid JSON-pointer: ' + $data);
+    up = +matches[1];
+    jsonPointer = matches[2];
+    if (jsonPointer == '#') {
+      if (up >= lvl) throw new Error('Cannot access property/index ' + up + ' levels up, current level is ' + lvl);
+      return paths[lvl - up];
+    }
+
+    if (up > lvl) throw new Error('Cannot access data ' + up + ' levels up, current level is ' + lvl);
+    data = 'data' + ((lvl - up) || '');
+    if (!jsonPointer) return data;
+  }
+
+  var expr = data;
+  var segments = jsonPointer.split('/');
+  for (var i=0; i<segments.length; i++) {
+    var segment = segments[i];
+    if (segment) {
+      data += getProperty(unescapeJsonPointer(segment));
+      expr += ' && ' + data;
+    }
+  }
+  return expr;
+}
+
+
+function joinPaths (a, b) {
+  if (a == '""') return b;
+  return (a + ' + ' + b).replace(/([^\\])' \+ '/g, '$1');
+}
+
+
+function unescapeFragment(str) {
+  return unescapeJsonPointer(decodeURIComponent(str));
+}
+
+
+function escapeFragment(str) {
+  return encodeURIComponent(escapeJsonPointer(str));
+}
+
+
+function escapeJsonPointer(str) {
+  return str.replace(/~/g, '~0').replace(/\//g, '~1');
+}
+
+
+function unescapeJsonPointer(str) {
+  return str.replace(/~1/g, '/').replace(/~0/g, '~');
+}
+
+},{"./ucs2length":9,"fast-deep-equal":42}],11:[function(require,module,exports){
+'use strict';
+
+var KEYWORDS = [
+  'multipleOf',
+  'maximum',
+  'exclusiveMaximum',
+  'minimum',
+  'exclusiveMinimum',
+  'maxLength',
+  'minLength',
+  'pattern',
+  'additionalItems',
+  'maxItems',
+  'minItems',
+  'uniqueItems',
+  'maxProperties',
+  'minProperties',
+  'required',
+  'additionalProperties',
+  'enum',
+  'format',
+  'const'
+];
+
+module.exports = function (metaSchema, keywordsJsonPointers) {
+  for (var i=0; i<keywordsJsonPointers.length; i++) {
+    metaSchema = JSON.parse(JSON.stringify(metaSchema));
+    var segments = keywordsJsonPointers[i].split('/');
+    var keywords = metaSchema;
+    var j;
+    for (j=1; j<segments.length; j++)
+      keywords = keywords[segments[j]];
+
+    for (j=0; j<KEYWORDS.length; j++) {
+      var key = KEYWORDS[j];
+      var schema = keywords[key];
+      if (schema) {
+        keywords[key] = {
+          anyOf: [
+            schema,
+            { $ref: 'https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#' }
+          ]
+        };
+      }
+    }
+  }
+
+  return metaSchema;
+};
+
+},{}],12:[function(require,module,exports){
+'use strict';
+
+var metaSchema = require('./refs/json-schema-draft-07.json');
+
+module.exports = {
+  $id: 'https://github.com/ajv-validator/ajv/blob/master/lib/definition_schema.js',
+  definitions: {
+    simpleTypes: metaSchema.definitions.simpleTypes
+  },
+  type: 'object',
+  dependencies: {
+    schema: ['validate'],
+    $data: ['validate'],
+    statements: ['inline'],
+    valid: {not: {required: ['macro']}}
+  },
+  properties: {
+    type: metaSchema.properties.type,
+    schema: {type: 'boolean'},
+    statements: {type: 'boolean'},
+    dependencies: {
+      type: 'array',
+      items: {type: 'string'}
+    },
+    metaSchema: {type: 'object'},
+    modifying: {type: 'boolean'},
+    valid: {type: 'boolean'},
+    $data: {type: 'boolean'},
+    async: {type: 'boolean'},
+    errors: {
+      anyOf: [
+        {type: 'boolean'},
+        {const: 'full'}
+      ]
+    }
+  }
+};
+
+},{"./refs/json-schema-draft-07.json":41}],13:[function(require,module,exports){
+'use strict';
+module.exports = function generate__limit(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $isMax = $keyword == 'maximum',
+    $exclusiveKeyword = $isMax ? 'exclusiveMaximum' : 'exclusiveMinimum',
+    $schemaExcl = it.schema[$exclusiveKeyword],
+    $isDataExcl = it.opts.$data && $schemaExcl && $schemaExcl.$data,
+    $op = $isMax ? '<' : '>',
+    $notOp = $isMax ? '>' : '<',
+    $errorKeyword = undefined;
+  if (!($isData || typeof $schema == 'number' || $schema === undefined)) {
+    throw new Error($keyword + ' must be number');
+  }
+  if (!($isDataExcl || $schemaExcl === undefined || typeof $schemaExcl == 'number' || typeof $schemaExcl == 'boolean')) {
+    throw new Error($exclusiveKeyword + ' must be number or boolean');
+  }
+  if ($isDataExcl) {
+    var $schemaValueExcl = it.util.getData($schemaExcl.$data, $dataLvl, it.dataPathArr),
+      $exclusive = 'exclusive' + $lvl,
+      $exclType = 'exclType' + $lvl,
+      $exclIsNumber = 'exclIsNumber' + $lvl,
+      $opExpr = 'op' + $lvl,
+      $opStr = '\' + ' + $opExpr + ' + \'';
+    out += ' var schemaExcl' + ($lvl) + ' = ' + ($schemaValueExcl) + '; ';
+    $schemaValueExcl = 'schemaExcl' + $lvl;
+    out += ' var ' + ($exclusive) + '; var ' + ($exclType) + ' = typeof ' + ($schemaValueExcl) + '; if (' + ($exclType) + ' != \'boolean\' && ' + ($exclType) + ' != \'undefined\' && ' + ($exclType) + ' != \'number\') { ';
+    var $errorKeyword = $exclusiveKeyword;
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = ''; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ($errorKeyword || '_exclusiveLimit') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'' + ($exclusiveKeyword) + ' should be boolean\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    var __err = out;
+    out = $$outStack.pop();
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + (__err) + ']); ';
+      } else {
+        out += ' validate.errors = [' + (__err) + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+    out += ' } else if ( ';
+    if ($isData) {
+      out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+    }
+    out += ' ' + ($exclType) + ' == \'number\' ? ( (' + ($exclusive) + ' = ' + ($schemaValue) + ' === undefined || ' + ($schemaValueExcl) + ' ' + ($op) + '= ' + ($schemaValue) + ') ? ' + ($data) + ' ' + ($notOp) + '= ' + ($schemaValueExcl) + ' : ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' ) : ( (' + ($exclusive) + ' = ' + ($schemaValueExcl) + ' === true) ? ' + ($data) + ' ' + ($notOp) + '= ' + ($schemaValue) + ' : ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' ) || ' + ($data) + ' !== ' + ($data) + ') { var op' + ($lvl) + ' = ' + ($exclusive) + ' ? \'' + ($op) + '\' : \'' + ($op) + '=\'; ';
+    if ($schema === undefined) {
+      $errorKeyword = $exclusiveKeyword;
+      $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+      $schemaValue = $schemaValueExcl;
+      $isData = $isDataExcl;
+    }
+  } else {
+    var $exclIsNumber = typeof $schemaExcl == 'number',
+      $opStr = $op;
+    if ($exclIsNumber && $isData) {
+      var $opExpr = '\'' + $opStr + '\'';
+      out += ' if ( ';
+      if ($isData) {
+        out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+      }
+      out += ' ( ' + ($schemaValue) + ' === undefined || ' + ($schemaExcl) + ' ' + ($op) + '= ' + ($schemaValue) + ' ? ' + ($data) + ' ' + ($notOp) + '= ' + ($schemaExcl) + ' : ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' ) || ' + ($data) + ' !== ' + ($data) + ') { ';
+    } else {
+      if ($exclIsNumber && $schema === undefined) {
+        $exclusive = true;
+        $errorKeyword = $exclusiveKeyword;
+        $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+        $schemaValue = $schemaExcl;
+        $notOp += '=';
+      } else {
+        if ($exclIsNumber) $schemaValue = Math[$isMax ? 'min' : 'max']($schemaExcl, $schema);
+        if ($schemaExcl === ($exclIsNumber ? $schemaValue : true)) {
+          $exclusive = true;
+          $errorKeyword = $exclusiveKeyword;
+          $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+          $notOp += '=';
+        } else {
+          $exclusive = false;
+          $opStr += '=';
+        }
+      }
+      var $opExpr = '\'' + $opStr + '\'';
+      out += ' if ( ';
+      if ($isData) {
+        out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+      }
+      out += ' ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' || ' + ($data) + ' !== ' + ($data) + ') { ';
+    }
+  }
+  $errorKeyword = $errorKeyword || $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limit') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { comparison: ' + ($opExpr) + ', limit: ' + ($schemaValue) + ', exclusive: ' + ($exclusive) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be ' + ($opStr) + ' ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue);
+      } else {
+        out += '' + ($schemaValue) + '\'';
+      }
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' } ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
+
+},{}],14:[function(require,module,exports){
+'use strict';
+module.exports = function generate__limitItems(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!($isData || typeof $schema == 'number')) {
+    throw new Error($keyword + ' must be number');
+  }
+  var $op = $keyword == 'maxItems' ? '>' : '<';
+  out += 'if ( ';
+  if ($isData) {
+    out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+  }
+  out += ' ' + ($data) + '.length ' + ($op) + ' ' + ($schemaValue) + ') { ';
+  var $errorKeyword = $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limitItems') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { limit: ' + ($schemaValue) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should NOT have ';
+      if ($keyword == 'maxItems') {
+        out += 'more';
+      } else {
+        out += 'fewer';
+      }
+      out += ' than ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + ($schema);
+      }
+      out += ' items\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
+
+},{}],15:[function(require,module,exports){
+'use strict';
+module.exports = function generate__limitLength(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!($isData || typeof $schema == 'number')) {
+    throw new Error($keyword + ' must be number');
+  }
+  var $op = $keyword == 'maxLength' ? '>' : '<';
+  out += 'if ( ';
+  if ($isData) {
+    out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+  }
+  if (it.opts.unicode === false) {
+    out += ' ' + ($data) + '.length ';
+  } else {
+    out += ' ucs2length(' + ($data) + ') ';
+  }
+  out += ' ' + ($op) + ' ' + ($schemaValue) + ') { ';
+  var $errorKeyword = $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limitLength') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { limit: ' + ($schemaValue) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should NOT be ';
+      if ($keyword == 'maxLength') {
+        out += 'longer';
+      } else {
+        out += 'shorter';
+      }
+      out += ' than ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + ($schema);
+      }
+      out += ' characters\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
+
+},{}],16:[function(require,module,exports){
+'use strict';
+module.exports = function generate__limitProperties(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!($isData || typeof $schema == 'number')) {
+    throw new Error($keyword + ' must be number');
+  }
+  var $op = $keyword == 'maxProperties' ? '>' : '<';
+  out += 'if ( ';
+  if ($isData) {
+    out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+  }
+  out += ' Object.keys(' + ($data) + ').length ' + ($op) + ' ' + ($schemaValue) + ') { ';
+  var $errorKeyword = $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limitProperties') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { limit: ' + ($schemaValue) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should NOT have ';
+      if ($keyword == 'maxProperties') {
+        out += 'more';
+      } else {
+        out += 'fewer';
+      }
+      out += ' than ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + ($schema);
+      }
+      out += ' properties\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
+
+},{}],17:[function(require,module,exports){
+'use strict';
+module.exports = function generate_allOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $currentBaseId = $it.baseId,
+    $allSchemasEmpty = true;
+  var arr1 = $schema;
+  if (arr1) {
+    var $sch, $i = -1,
+      l1 = arr1.length - 1;
+    while ($i < l1) {
+      $sch = arr1[$i += 1];
+      if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+        $allSchemasEmpty = false;
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + '[' + $i + ']';
+        $it.errSchemaPath = $errSchemaPath + '/' + $i;
+        out += '  ' + (it.validate($it)) + ' ';
+        $it.baseId = $currentBaseId;
+        if ($breakOnError) {
+          out += ' if (' + ($nextValid) + ') { ';
+          $closingBraces += '}';
+        }
+      }
+    }
+  }
+  if ($breakOnError) {
+    if ($allSchemasEmpty) {
+      out += ' if (true) { ';
+    } else {
+      out += ' ' + ($closingBraces.slice(0, -1)) + ' ';
+    }
+  }
+  return out;
+}
+
+},{}],18:[function(require,module,exports){
+'use strict';
+module.exports = function generate_anyOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $noEmptySchema = $schema.every(function($sch) {
+    return (it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all));
+  });
+  if ($noEmptySchema) {
+    var $currentBaseId = $it.baseId;
+    out += ' var ' + ($errs) + ' = errors; var ' + ($valid) + ' = false;  ';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    var arr1 = $schema;
+    if (arr1) {
+      var $sch, $i = -1,
+        l1 = arr1.length - 1;
+      while ($i < l1) {
+        $sch = arr1[$i += 1];
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + '[' + $i + ']';
+        $it.errSchemaPath = $errSchemaPath + '/' + $i;
+        out += '  ' + (it.validate($it)) + ' ';
+        $it.baseId = $currentBaseId;
+        out += ' ' + ($valid) + ' = ' + ($valid) + ' || ' + ($nextValid) + '; if (!' + ($valid) + ') { ';
+        $closingBraces += '}';
+      }
+    }
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' ' + ($closingBraces) + ' if (!' + ($valid) + ') {   var err =   '; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('anyOf') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should match some schema in anyOf\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError(vErrors); ';
+      } else {
+        out += ' validate.errors = vErrors; return false; ';
+      }
+    }
+    out += ' } else {  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; } ';
+    if (it.opts.allErrors) {
+      out += ' } ';
+    }
+  } else {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  }
+  return out;
+}
+
+},{}],19:[function(require,module,exports){
+'use strict';
+module.exports = function generate_comment(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $schema = it.schema[$keyword];
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $comment = it.util.toQuotedString($schema);
+  if (it.opts.$comment === true) {
+    out += ' console.log(' + ($comment) + ');';
+  } else if (typeof it.opts.$comment == 'function') {
+    out += ' self._opts.$comment(' + ($comment) + ', ' + (it.util.toQuotedString($errSchemaPath)) + ', validate.root.schema);';
+  }
+  return out;
+}
+
+},{}],20:[function(require,module,exports){
+'use strict';
+module.exports = function generate_const(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!$isData) {
+    out += ' var schema' + ($lvl) + ' = validate.schema' + ($schemaPath) + ';';
+  }
+  out += 'var ' + ($valid) + ' = equal(' + ($data) + ', schema' + ($lvl) + '); if (!' + ($valid) + ') {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('const') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { allowedValue: schema' + ($lvl) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be equal to constant\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' }';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
+
+},{}],21:[function(require,module,exports){
+'use strict';
+module.exports = function generate_contains(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $idx = 'i' + $lvl,
+    $dataNxt = $it.dataLevel = it.dataLevel + 1,
+    $nextData = 'data' + $dataNxt,
+    $currentBaseId = it.baseId,
+    $nonEmptySchema = (it.opts.strictKeywords ? (typeof $schema == 'object' && Object.keys($schema).length > 0) || $schema === false : it.util.schemaHasRules($schema, it.RULES.all));
+  out += 'var ' + ($errs) + ' = errors;var ' + ($valid) + ';';
+  if ($nonEmptySchema) {
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += ' var ' + ($nextValid) + ' = false; for (var ' + ($idx) + ' = 0; ' + ($idx) + ' < ' + ($data) + '.length; ' + ($idx) + '++) { ';
+    $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+    var $passData = $data + '[' + $idx + ']';
+    $it.dataPathArr[$dataNxt] = $idx;
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+    if (it.util.varOccurences($code, $nextData) < 2) {
+      out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+    } else {
+      out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+    }
+    out += ' if (' + ($nextValid) + ') break; }  ';
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' ' + ($closingBraces) + ' if (!' + ($nextValid) + ') {';
+  } else {
+    out += ' if (' + ($data) + '.length == 0) {';
+  }
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('contains') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should contain a valid item\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' } else { ';
+  if ($nonEmptySchema) {
+    out += '  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; } ';
+  }
+  if (it.opts.allErrors) {
+    out += ' } ';
+  }
+  return out;
+}
+
+},{}],22:[function(require,module,exports){
+'use strict';
+module.exports = function generate_custom(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $rule = this,
+    $definition = 'definition' + $lvl,
+    $rDef = $rule.definition,
+    $closingBraces = '';
+  var $compile, $inline, $macro, $ruleValidate, $validateCode;
+  if ($isData && $rDef.$data) {
+    $validateCode = 'keywordValidate' + $lvl;
+    var $validateSchema = $rDef.validateSchema;
+    out += ' var ' + ($definition) + ' = RULES.custom[\'' + ($keyword) + '\'].definition; var ' + ($validateCode) + ' = ' + ($definition) + '.validate;';
+  } else {
+    $ruleValidate = it.useCustomRule($rule, $schema, it.schema, it);
+    if (!$ruleValidate) return;
+    $schemaValue = 'validate.schema' + $schemaPath;
+    $validateCode = $ruleValidate.code;
+    $compile = $rDef.compile;
+    $inline = $rDef.inline;
+    $macro = $rDef.macro;
+  }
+  var $ruleErrs = $validateCode + '.errors',
+    $i = 'i' + $lvl,
+    $ruleErr = 'ruleErr' + $lvl,
+    $asyncKeyword = $rDef.async;
+  if ($asyncKeyword && !it.async) throw new Error('async keyword in sync schema');
+  if (!($inline || $macro)) {
+    out += '' + ($ruleErrs) + ' = null;';
+  }
+  out += 'var ' + ($errs) + ' = errors;var ' + ($valid) + ';';
+  if ($isData && $rDef.$data) {
+    $closingBraces += '}';
+    out += ' if (' + ($schemaValue) + ' === undefined) { ' + ($valid) + ' = true; } else { ';
+    if ($validateSchema) {
+      $closingBraces += '}';
+      out += ' ' + ($valid) + ' = ' + ($definition) + '.validateSchema(' + ($schemaValue) + '); if (' + ($valid) + ') { ';
+    }
+  }
+  if ($inline) {
+    if ($rDef.statements) {
+      out += ' ' + ($ruleValidate.validate) + ' ';
+    } else {
+      out += ' ' + ($valid) + ' = ' + ($ruleValidate.validate) + '; ';
+    }
+  } else if ($macro) {
+    var $it = it.util.copy(it);
+    var $closingBraces = '';
+    $it.level++;
+    var $nextValid = 'valid' + $it.level;
+    $it.schema = $ruleValidate.validate;
+    $it.schemaPath = '';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    var $code = it.validate($it).replace(/validate\.schema/g, $validateCode);
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' ' + ($code);
+  } else {
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    out += '  ' + ($validateCode) + '.call( ';
+    if (it.opts.passContext) {
+      out += 'this';
+    } else {
+      out += 'self';
+    }
+    if ($compile || $rDef.schema === false) {
+      out += ' , ' + ($data) + ' ';
+    } else {
+      out += ' , ' + ($schemaValue) + ' , ' + ($data) + ' , validate.schema' + (it.schemaPath) + ' ';
+    }
+    out += ' , (dataPath || \'\')';
+    if (it.errorPath != '""') {
+      out += ' + ' + (it.errorPath);
+    }
+    var $parentData = $dataLvl ? 'data' + (($dataLvl - 1) || '') : 'parentData',
+      $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+    out += ' , ' + ($parentData) + ' , ' + ($parentDataProperty) + ' , rootData )  ';
+    var def_callRuleValidate = out;
+    out = $$outStack.pop();
+    if ($rDef.errors === false) {
+      out += ' ' + ($valid) + ' = ';
+      if ($asyncKeyword) {
+        out += 'await ';
+      }
+      out += '' + (def_callRuleValidate) + '; ';
+    } else {
+      if ($asyncKeyword) {
+        $ruleErrs = 'customErrors' + $lvl;
+        out += ' var ' + ($ruleErrs) + ' = null; try { ' + ($valid) + ' = await ' + (def_callRuleValidate) + '; } catch (e) { ' + ($valid) + ' = false; if (e instanceof ValidationError) ' + ($ruleErrs) + ' = e.errors; else throw e; } ';
+      } else {
+        out += ' ' + ($ruleErrs) + ' = null; ' + ($valid) + ' = ' + (def_callRuleValidate) + '; ';
+      }
+    }
+  }
+  if ($rDef.modifying) {
+    out += ' if (' + ($parentData) + ') ' + ($data) + ' = ' + ($parentData) + '[' + ($parentDataProperty) + '];';
+  }
+  out += '' + ($closingBraces);
+  if ($rDef.valid) {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  } else {
+    out += ' if ( ';
+    if ($rDef.valid === undefined) {
+      out += ' !';
+      if ($macro) {
+        out += '' + ($nextValid);
+      } else {
+        out += '' + ($valid);
+      }
+    } else {
+      out += ' ' + (!$rDef.valid) + ' ';
+    }
+    out += ') { ';
+    $errorKeyword = $rule.keyword;
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = ''; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ($errorKeyword || 'custom') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { keyword: \'' + ($rule.keyword) + '\' } ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should pass "' + ($rule.keyword) + '" keyword validation\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    var __err = out;
+    out = $$outStack.pop();
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + (__err) + ']); ';
+      } else {
+        out += ' validate.errors = [' + (__err) + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+    var def_customError = out;
+    out = $$outStack.pop();
+    if ($inline) {
+      if ($rDef.errors) {
+        if ($rDef.errors != 'full') {
+          out += '  for (var ' + ($i) + '=' + ($errs) + '; ' + ($i) + '<errors; ' + ($i) + '++) { var ' + ($ruleErr) + ' = vErrors[' + ($i) + ']; if (' + ($ruleErr) + '.dataPath === undefined) ' + ($ruleErr) + '.dataPath = (dataPath || \'\') + ' + (it.errorPath) + '; if (' + ($ruleErr) + '.schemaPath === undefined) { ' + ($ruleErr) + '.schemaPath = "' + ($errSchemaPath) + '"; } ';
+          if (it.opts.verbose) {
+            out += ' ' + ($ruleErr) + '.schema = ' + ($schemaValue) + '; ' + ($ruleErr) + '.data = ' + ($data) + '; ';
+          }
+          out += ' } ';
+        }
+      } else {
+        if ($rDef.errors === false) {
+          out += ' ' + (def_customError) + ' ';
+        } else {
+          out += ' if (' + ($errs) + ' == errors) { ' + (def_customError) + ' } else {  for (var ' + ($i) + '=' + ($errs) + '; ' + ($i) + '<errors; ' + ($i) + '++) { var ' + ($ruleErr) + ' = vErrors[' + ($i) + ']; if (' + ($ruleErr) + '.dataPath === undefined) ' + ($ruleErr) + '.dataPath = (dataPath || \'\') + ' + (it.errorPath) + '; if (' + ($ruleErr) + '.schemaPath === undefined) { ' + ($ruleErr) + '.schemaPath = "' + ($errSchemaPath) + '"; } ';
+          if (it.opts.verbose) {
+            out += ' ' + ($ruleErr) + '.schema = ' + ($schemaValue) + '; ' + ($ruleErr) + '.data = ' + ($data) + '; ';
+          }
+          out += ' } } ';
+        }
+      }
+    } else if ($macro) {
+      out += '   var err =   '; /* istanbul ignore else */
+      if (it.createErrors !== false) {
+        out += ' { keyword: \'' + ($errorKeyword || 'custom') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { keyword: \'' + ($rule.keyword) + '\' } ';
+        if (it.opts.messages !== false) {
+          out += ' , message: \'should pass "' + ($rule.keyword) + '" keyword validation\' ';
+        }
+        if (it.opts.verbose) {
+          out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+        }
+        out += ' } ';
+      } else {
+        out += ' {} ';
+      }
+      out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+      if (!it.compositeRule && $breakOnError) {
+        /* istanbul ignore if */
+        if (it.async) {
+          out += ' throw new ValidationError(vErrors); ';
+        } else {
+          out += ' validate.errors = vErrors; return false; ';
+        }
+      }
+    } else {
+      if ($rDef.errors === false) {
+        out += ' ' + (def_customError) + ' ';
+      } else {
+        out += ' if (Array.isArray(' + ($ruleErrs) + ')) { if (vErrors === null) vErrors = ' + ($ruleErrs) + '; else vErrors = vErrors.concat(' + ($ruleErrs) + '); errors = vErrors.length;  for (var ' + ($i) + '=' + ($errs) + '; ' + ($i) + '<errors; ' + ($i) + '++) { var ' + ($ruleErr) + ' = vErrors[' + ($i) + ']; if (' + ($ruleErr) + '.dataPath === undefined) ' + ($ruleErr) + '.dataPath = (dataPath || \'\') + ' + (it.errorPath) + ';  ' + ($ruleErr) + '.schemaPath = "' + ($errSchemaPath) + '";  ';
+        if (it.opts.verbose) {
+          out += ' ' + ($ruleErr) + '.schema = ' + ($schemaValue) + '; ' + ($ruleErr) + '.data = ' + ($data) + '; ';
+        }
+        out += ' } } else { ' + (def_customError) + ' } ';
+      }
+    }
+    out += ' } ';
+    if ($breakOnError) {
+      out += ' else { ';
+    }
+  }
+  return out;
+}
+
+},{}],23:[function(require,module,exports){
+'use strict';
+module.exports = function generate_dependencies(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $schemaDeps = {},
+    $propertyDeps = {},
+    $ownProperties = it.opts.ownProperties;
+  for ($property in $schema) {
+    if ($property == '__proto__') continue;
+    var $sch = $schema[$property];
+    var $deps = Array.isArray($sch) ? $propertyDeps : $schemaDeps;
+    $deps[$property] = $sch;
+  }
+  out += 'var ' + ($errs) + ' = errors;';
+  var $currentErrorPath = it.errorPath;
+  out += 'var missing' + ($lvl) + ';';
+  for (var $property in $propertyDeps) {
+    $deps = $propertyDeps[$property];
+    if ($deps.length) {
+      out += ' if ( ' + ($data) + (it.util.getProperty($property)) + ' !== undefined ';
+      if ($ownProperties) {
+        out += ' && Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($property)) + '\') ';
+      }
+      if ($breakOnError) {
+        out += ' && ( ';
+        var arr1 = $deps;
+        if (arr1) {
+          var $propertyKey, $i = -1,
+            l1 = arr1.length - 1;
+          while ($i < l1) {
+            $propertyKey = arr1[$i += 1];
+            if ($i) {
+              out += ' || ';
+            }
+            var $prop = it.util.getProperty($propertyKey),
+              $useData = $data + $prop;
+            out += ' ( ( ' + ($useData) + ' === undefined ';
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+            }
+            out += ') && (missing' + ($lvl) + ' = ' + (it.util.toQuotedString(it.opts.jsonPointers ? $propertyKey : $prop)) + ') ) ';
+          }
+        }
+        out += ')) {  ';
+        var $propertyPath = 'missing' + $lvl,
+          $missingProperty = '\' + ' + $propertyPath + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.opts.jsonPointers ? it.util.getPathExpr($currentErrorPath, $propertyPath, true) : $currentErrorPath + ' + ' + $propertyPath;
+        }
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('dependencies') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { property: \'' + (it.util.escapeQuotes($property)) + '\', missingProperty: \'' + ($missingProperty) + '\', depsCount: ' + ($deps.length) + ', deps: \'' + (it.util.escapeQuotes($deps.length == 1 ? $deps[0] : $deps.join(", "))) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'should have ';
+            if ($deps.length == 1) {
+              out += 'property ' + (it.util.escapeQuotes($deps[0]));
+            } else {
+              out += 'properties ' + (it.util.escapeQuotes($deps.join(", ")));
+            }
+            out += ' when property ' + (it.util.escapeQuotes($property)) + ' is present\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+      } else {
+        out += ' ) { ';
+        var arr2 = $deps;
+        if (arr2) {
+          var $propertyKey, i2 = -1,
+            l2 = arr2.length - 1;
+          while (i2 < l2) {
+            $propertyKey = arr2[i2 += 1];
+            var $prop = it.util.getProperty($propertyKey),
+              $missingProperty = it.util.escapeQuotes($propertyKey),
+              $useData = $data + $prop;
+            if (it.opts._errorDataPathProperty) {
+              it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+            }
+            out += ' if ( ' + ($useData) + ' === undefined ';
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+            }
+            out += ') {  var err =   '; /* istanbul ignore else */
+            if (it.createErrors !== false) {
+              out += ' { keyword: \'' + ('dependencies') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { property: \'' + (it.util.escapeQuotes($property)) + '\', missingProperty: \'' + ($missingProperty) + '\', depsCount: ' + ($deps.length) + ', deps: \'' + (it.util.escapeQuotes($deps.length == 1 ? $deps[0] : $deps.join(", "))) + '\' } ';
+              if (it.opts.messages !== false) {
+                out += ' , message: \'should have ';
+                if ($deps.length == 1) {
+                  out += 'property ' + (it.util.escapeQuotes($deps[0]));
+                } else {
+                  out += 'properties ' + (it.util.escapeQuotes($deps.join(", ")));
+                }
+                out += ' when property ' + (it.util.escapeQuotes($property)) + ' is present\' ';
+              }
+              if (it.opts.verbose) {
+                out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+              }
+              out += ' } ';
+            } else {
+              out += ' {} ';
+            }
+            out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } ';
+          }
+        }
+      }
+      out += ' }   ';
+      if ($breakOnError) {
+        $closingBraces += '}';
+        out += ' else { ';
+      }
+    }
+  }
+  it.errorPath = $currentErrorPath;
+  var $currentBaseId = $it.baseId;
+  for (var $property in $schemaDeps) {
+    var $sch = $schemaDeps[$property];
+    if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+      out += ' ' + ($nextValid) + ' = true; if ( ' + ($data) + (it.util.getProperty($property)) + ' !== undefined ';
+      if ($ownProperties) {
+        out += ' && Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($property)) + '\') ';
+      }
+      out += ') { ';
+      $it.schema = $sch;
+      $it.schemaPath = $schemaPath + it.util.getProperty($property);
+      $it.errSchemaPath = $errSchemaPath + '/' + it.util.escapeFragment($property);
+      out += '  ' + (it.validate($it)) + ' ';
+      $it.baseId = $currentBaseId;
+      out += ' }  ';
+      if ($breakOnError) {
+        out += ' if (' + ($nextValid) + ') { ';
+        $closingBraces += '}';
+      }
+    }
+  }
+  if ($breakOnError) {
+    out += '   ' + ($closingBraces) + ' if (' + ($errs) + ' == errors) {';
+  }
+  return out;
+}
+
+},{}],24:[function(require,module,exports){
+'use strict';
+module.exports = function generate_enum(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $i = 'i' + $lvl,
+    $vSchema = 'schema' + $lvl;
+  if (!$isData) {
+    out += ' var ' + ($vSchema) + ' = validate.schema' + ($schemaPath) + ';';
+  }
+  out += 'var ' + ($valid) + ';';
+  if ($isData) {
+    out += ' if (schema' + ($lvl) + ' === undefined) ' + ($valid) + ' = true; else if (!Array.isArray(schema' + ($lvl) + ')) ' + ($valid) + ' = false; else {';
+  }
+  out += '' + ($valid) + ' = false;for (var ' + ($i) + '=0; ' + ($i) + '<' + ($vSchema) + '.length; ' + ($i) + '++) if (equal(' + ($data) + ', ' + ($vSchema) + '[' + ($i) + '])) { ' + ($valid) + ' = true; break; }';
+  if ($isData) {
+    out += '  }  ';
+  }
+  out += ' if (!' + ($valid) + ') {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('enum') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { allowedValues: schema' + ($lvl) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be equal to one of the allowed values\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' }';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
+
+},{}],25:[function(require,module,exports){
+'use strict';
+module.exports = function generate_format(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  if (it.opts.format === false) {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+    return out;
+  }
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $unknownFormats = it.opts.unknownFormats,
+    $allowUnknown = Array.isArray($unknownFormats);
+  if ($isData) {
+    var $format = 'format' + $lvl,
+      $isObject = 'isObject' + $lvl,
+      $formatType = 'formatType' + $lvl;
+    out += ' var ' + ($format) + ' = formats[' + ($schemaValue) + ']; var ' + ($isObject) + ' = typeof ' + ($format) + ' == \'object\' && !(' + ($format) + ' instanceof RegExp) && ' + ($format) + '.validate; var ' + ($formatType) + ' = ' + ($isObject) + ' && ' + ($format) + '.type || \'string\'; if (' + ($isObject) + ') { ';
+    if (it.async) {
+      out += ' var async' + ($lvl) + ' = ' + ($format) + '.async; ';
+    }
+    out += ' ' + ($format) + ' = ' + ($format) + '.validate; } if (  ';
+    if ($isData) {
+      out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'string\') || ';
+    }
+    out += ' (';
+    if ($unknownFormats != 'ignore') {
+      out += ' (' + ($schemaValue) + ' && !' + ($format) + ' ';
+      if ($allowUnknown) {
+        out += ' && self._opts.unknownFormats.indexOf(' + ($schemaValue) + ') == -1 ';
+      }
+      out += ') || ';
+    }
+    out += ' (' + ($format) + ' && ' + ($formatType) + ' == \'' + ($ruleType) + '\' && !(typeof ' + ($format) + ' == \'function\' ? ';
+    if (it.async) {
+      out += ' (async' + ($lvl) + ' ? await ' + ($format) + '(' + ($data) + ') : ' + ($format) + '(' + ($data) + ')) ';
+    } else {
+      out += ' ' + ($format) + '(' + ($data) + ') ';
+    }
+    out += ' : ' + ($format) + '.test(' + ($data) + '))))) {';
+  } else {
+    var $format = it.formats[$schema];
+    if (!$format) {
+      if ($unknownFormats == 'ignore') {
+        it.logger.warn('unknown format "' + $schema + '" ignored in schema at path "' + it.errSchemaPath + '"');
+        if ($breakOnError) {
+          out += ' if (true) { ';
+        }
+        return out;
+      } else if ($allowUnknown && $unknownFormats.indexOf($schema) >= 0) {
+        if ($breakOnError) {
+          out += ' if (true) { ';
+        }
+        return out;
+      } else {
+        throw new Error('unknown format "' + $schema + '" is used in schema at path "' + it.errSchemaPath + '"');
+      }
+    }
+    var $isObject = typeof $format == 'object' && !($format instanceof RegExp) && $format.validate;
+    var $formatType = $isObject && $format.type || 'string';
+    if ($isObject) {
+      var $async = $format.async === true;
+      $format = $format.validate;
+    }
+    if ($formatType != $ruleType) {
+      if ($breakOnError) {
+        out += ' if (true) { ';
+      }
+      return out;
+    }
+    if ($async) {
+      if (!it.async) throw new Error('async format in sync schema');
+      var $formatRef = 'formats' + it.util.getProperty($schema) + '.validate';
+      out += ' if (!(await ' + ($formatRef) + '(' + ($data) + '))) { ';
+    } else {
+      out += ' if (! ';
+      var $formatRef = 'formats' + it.util.getProperty($schema);
+      if ($isObject) $formatRef += '.validate';
+      if (typeof $format == 'function') {
+        out += ' ' + ($formatRef) + '(' + ($data) + ') ';
+      } else {
+        out += ' ' + ($formatRef) + '.test(' + ($data) + ') ';
+      }
+      out += ') { ';
+    }
+  }
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('format') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { format:  ';
+    if ($isData) {
+      out += '' + ($schemaValue);
+    } else {
+      out += '' + (it.util.toQuotedString($schema));
+    }
+    out += '  } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should match format "';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + (it.util.escapeQuotes($schema));
+      }
+      out += '"\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + (it.util.toQuotedString($schema));
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' } ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
+
+},{}],26:[function(require,module,exports){
+'use strict';
+module.exports = function generate_if(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $thenSch = it.schema['then'],
+    $elseSch = it.schema['else'],
+    $thenPresent = $thenSch !== undefined && (it.opts.strictKeywords ? (typeof $thenSch == 'object' && Object.keys($thenSch).length > 0) || $thenSch === false : it.util.schemaHasRules($thenSch, it.RULES.all)),
+    $elsePresent = $elseSch !== undefined && (it.opts.strictKeywords ? (typeof $elseSch == 'object' && Object.keys($elseSch).length > 0) || $elseSch === false : it.util.schemaHasRules($elseSch, it.RULES.all)),
+    $currentBaseId = $it.baseId;
+  if ($thenPresent || $elsePresent) {
+    var $ifClause;
+    $it.createErrors = false;
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += ' var ' + ($errs) + ' = errors; var ' + ($valid) + ' = true;  ';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    out += '  ' + (it.validate($it)) + ' ';
+    $it.baseId = $currentBaseId;
+    $it.createErrors = true;
+    out += '  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; }  ';
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    if ($thenPresent) {
+      out += ' if (' + ($nextValid) + ') {  ';
+      $it.schema = it.schema['then'];
+      $it.schemaPath = it.schemaPath + '.then';
+      $it.errSchemaPath = it.errSchemaPath + '/then';
+      out += '  ' + (it.validate($it)) + ' ';
+      $it.baseId = $currentBaseId;
+      out += ' ' + ($valid) + ' = ' + ($nextValid) + '; ';
+      if ($thenPresent && $elsePresent) {
+        $ifClause = 'ifClause' + $lvl;
+        out += ' var ' + ($ifClause) + ' = \'then\'; ';
+      } else {
+        $ifClause = '\'then\'';
+      }
+      out += ' } ';
+      if ($elsePresent) {
+        out += ' else { ';
+      }
+    } else {
+      out += ' if (!' + ($nextValid) + ') { ';
+    }
+    if ($elsePresent) {
+      $it.schema = it.schema['else'];
+      $it.schemaPath = it.schemaPath + '.else';
+      $it.errSchemaPath = it.errSchemaPath + '/else';
+      out += '  ' + (it.validate($it)) + ' ';
+      $it.baseId = $currentBaseId;
+      out += ' ' + ($valid) + ' = ' + ($nextValid) + '; ';
+      if ($thenPresent && $elsePresent) {
+        $ifClause = 'ifClause' + $lvl;
+        out += ' var ' + ($ifClause) + ' = \'else\'; ';
+      } else {
+        $ifClause = '\'else\'';
+      }
+      out += ' } ';
+    }
+    out += ' if (!' + ($valid) + ') {   var err =   '; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('if') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { failingKeyword: ' + ($ifClause) + ' } ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should match "\' + ' + ($ifClause) + ' + \'" schema\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError(vErrors); ';
+      } else {
+        out += ' validate.errors = vErrors; return false; ';
+      }
+    }
+    out += ' }   ';
+    if ($breakOnError) {
+      out += ' else { ';
+    }
+  } else {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  }
+  return out;
+}
+
+},{}],27:[function(require,module,exports){
+'use strict';
+
+//all requires must be explicit because browserify won't work with dynamic requires
+module.exports = {
+  '$ref': require('./ref'),
+  allOf: require('./allOf'),
+  anyOf: require('./anyOf'),
+  '$comment': require('./comment'),
+  const: require('./const'),
+  contains: require('./contains'),
+  dependencies: require('./dependencies'),
+  'enum': require('./enum'),
+  format: require('./format'),
+  'if': require('./if'),
+  items: require('./items'),
+  maximum: require('./_limit'),
+  minimum: require('./_limit'),
+  maxItems: require('./_limitItems'),
+  minItems: require('./_limitItems'),
+  maxLength: require('./_limitLength'),
+  minLength: require('./_limitLength'),
+  maxProperties: require('./_limitProperties'),
+  minProperties: require('./_limitProperties'),
+  multipleOf: require('./multipleOf'),
+  not: require('./not'),
+  oneOf: require('./oneOf'),
+  pattern: require('./pattern'),
+  properties: require('./properties'),
+  propertyNames: require('./propertyNames'),
+  required: require('./required'),
+  uniqueItems: require('./uniqueItems'),
+  validate: require('./validate')
+};
+
+},{"./_limit":13,"./_limitItems":14,"./_limitLength":15,"./_limitProperties":16,"./allOf":17,"./anyOf":18,"./comment":19,"./const":20,"./contains":21,"./dependencies":23,"./enum":24,"./format":25,"./if":26,"./items":28,"./multipleOf":29,"./not":30,"./oneOf":31,"./pattern":32,"./properties":33,"./propertyNames":34,"./ref":35,"./required":36,"./uniqueItems":37,"./validate":38}],28:[function(require,module,exports){
+'use strict';
+module.exports = function generate_items(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $idx = 'i' + $lvl,
+    $dataNxt = $it.dataLevel = it.dataLevel + 1,
+    $nextData = 'data' + $dataNxt,
+    $currentBaseId = it.baseId;
+  out += 'var ' + ($errs) + ' = errors;var ' + ($valid) + ';';
+  if (Array.isArray($schema)) {
+    var $additionalItems = it.schema.additionalItems;
+    if ($additionalItems === false) {
+      out += ' ' + ($valid) + ' = ' + ($data) + '.length <= ' + ($schema.length) + '; ';
+      var $currErrSchemaPath = $errSchemaPath;
+      $errSchemaPath = it.errSchemaPath + '/additionalItems';
+      out += '  if (!' + ($valid) + ') {   ';
+      var $$outStack = $$outStack || [];
+      $$outStack.push(out);
+      out = ''; /* istanbul ignore else */
+      if (it.createErrors !== false) {
+        out += ' { keyword: \'' + ('additionalItems') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { limit: ' + ($schema.length) + ' } ';
+        if (it.opts.messages !== false) {
+          out += ' , message: \'should NOT have more than ' + ($schema.length) + ' items\' ';
+        }
+        if (it.opts.verbose) {
+          out += ' , schema: false , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+        }
+        out += ' } ';
+      } else {
+        out += ' {} ';
+      }
+      var __err = out;
+      out = $$outStack.pop();
+      if (!it.compositeRule && $breakOnError) {
+        /* istanbul ignore if */
+        if (it.async) {
+          out += ' throw new ValidationError([' + (__err) + ']); ';
+        } else {
+          out += ' validate.errors = [' + (__err) + ']; return false; ';
+        }
+      } else {
+        out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+      }
+      out += ' } ';
+      $errSchemaPath = $currErrSchemaPath;
+      if ($breakOnError) {
+        $closingBraces += '}';
+        out += ' else { ';
+      }
+    }
+    var arr1 = $schema;
+    if (arr1) {
+      var $sch, $i = -1,
+        l1 = arr1.length - 1;
+      while ($i < l1) {
+        $sch = arr1[$i += 1];
+        if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+          out += ' ' + ($nextValid) + ' = true; if (' + ($data) + '.length > ' + ($i) + ') { ';
+          var $passData = $data + '[' + $i + ']';
+          $it.schema = $sch;
+          $it.schemaPath = $schemaPath + '[' + $i + ']';
+          $it.errSchemaPath = $errSchemaPath + '/' + $i;
+          $it.errorPath = it.util.getPathExpr(it.errorPath, $i, it.opts.jsonPointers, true);
+          $it.dataPathArr[$dataNxt] = $i;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+          } else {
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+          }
+          out += ' }  ';
+          if ($breakOnError) {
+            out += ' if (' + ($nextValid) + ') { ';
+            $closingBraces += '}';
+          }
+        }
+      }
+    }
+    if (typeof $additionalItems == 'object' && (it.opts.strictKeywords ? (typeof $additionalItems == 'object' && Object.keys($additionalItems).length > 0) || $additionalItems === false : it.util.schemaHasRules($additionalItems, it.RULES.all))) {
+      $it.schema = $additionalItems;
+      $it.schemaPath = it.schemaPath + '.additionalItems';
+      $it.errSchemaPath = it.errSchemaPath + '/additionalItems';
+      out += ' ' + ($nextValid) + ' = true; if (' + ($data) + '.length > ' + ($schema.length) + ') {  for (var ' + ($idx) + ' = ' + ($schema.length) + '; ' + ($idx) + ' < ' + ($data) + '.length; ' + ($idx) + '++) { ';
+      $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+      var $passData = $data + '[' + $idx + ']';
+      $it.dataPathArr[$dataNxt] = $idx;
+      var $code = it.validate($it);
+      $it.baseId = $currentBaseId;
+      if (it.util.varOccurences($code, $nextData) < 2) {
+        out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+      } else {
+        out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+      }
+      if ($breakOnError) {
+        out += ' if (!' + ($nextValid) + ') break; ';
+      }
+      out += ' } }  ';
+      if ($breakOnError) {
+        out += ' if (' + ($nextValid) + ') { ';
+        $closingBraces += '}';
+      }
+    }
+  } else if ((it.opts.strictKeywords ? (typeof $schema == 'object' && Object.keys($schema).length > 0) || $schema === false : it.util.schemaHasRules($schema, it.RULES.all))) {
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += '  for (var ' + ($idx) + ' = ' + (0) + '; ' + ($idx) + ' < ' + ($data) + '.length; ' + ($idx) + '++) { ';
+    $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+    var $passData = $data + '[' + $idx + ']';
+    $it.dataPathArr[$dataNxt] = $idx;
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+    if (it.util.varOccurences($code, $nextData) < 2) {
+      out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+    } else {
+      out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+    }
+    if ($breakOnError) {
+      out += ' if (!' + ($nextValid) + ') break; ';
+    }
+    out += ' }';
+  }
+  if ($breakOnError) {
+    out += ' ' + ($closingBraces) + ' if (' + ($errs) + ' == errors) {';
+  }
+  return out;
+}
+
+},{}],29:[function(require,module,exports){
+'use strict';
+module.exports = function generate_multipleOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!($isData || typeof $schema == 'number')) {
+    throw new Error($keyword + ' must be number');
+  }
+  out += 'var division' + ($lvl) + ';if (';
+  if ($isData) {
+    out += ' ' + ($schemaValue) + ' !== undefined && ( typeof ' + ($schemaValue) + ' != \'number\' || ';
+  }
+  out += ' (division' + ($lvl) + ' = ' + ($data) + ' / ' + ($schemaValue) + ', ';
+  if (it.opts.multipleOfPrecision) {
+    out += ' Math.abs(Math.round(division' + ($lvl) + ') - division' + ($lvl) + ') > 1e-' + (it.opts.multipleOfPrecision) + ' ';
+  } else {
+    out += ' division' + ($lvl) + ' !== parseInt(division' + ($lvl) + ') ';
+  }
+  out += ' ) ';
+  if ($isData) {
+    out += '  )  ';
+  }
+  out += ' ) {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('multipleOf') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { multipleOf: ' + ($schemaValue) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be multiple of ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue);
+      } else {
+        out += '' + ($schemaValue) + '\'';
+      }
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
+
+},{}],30:[function(require,module,exports){
+'use strict';
+module.exports = function generate_not(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  if ((it.opts.strictKeywords ? (typeof $schema == 'object' && Object.keys($schema).length > 0) || $schema === false : it.util.schemaHasRules($schema, it.RULES.all))) {
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += ' var ' + ($errs) + ' = errors;  ';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    $it.createErrors = false;
+    var $allErrorsOption;
+    if ($it.opts.allErrors) {
+      $allErrorsOption = $it.opts.allErrors;
+      $it.opts.allErrors = false;
+    }
+    out += ' ' + (it.validate($it)) + ' ';
+    $it.createErrors = true;
+    if ($allErrorsOption) $it.opts.allErrors = $allErrorsOption;
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' if (' + ($nextValid) + ') {   ';
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = ''; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('not') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should NOT be valid\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    var __err = out;
+    out = $$outStack.pop();
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + (__err) + ']); ';
+      } else {
+        out += ' validate.errors = [' + (__err) + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+    out += ' } else {  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; } ';
+    if (it.opts.allErrors) {
+      out += ' } ';
+    }
+  } else {
+    out += '  var err =   '; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('not') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should NOT be valid\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    if ($breakOnError) {
+      out += ' if (false) { ';
+    }
+  }
+  return out;
+}
+
+},{}],31:[function(require,module,exports){
+'use strict';
+module.exports = function generate_oneOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $currentBaseId = $it.baseId,
+    $prevValid = 'prevValid' + $lvl,
+    $passingSchemas = 'passingSchemas' + $lvl;
+  out += 'var ' + ($errs) + ' = errors , ' + ($prevValid) + ' = false , ' + ($valid) + ' = false , ' + ($passingSchemas) + ' = null; ';
+  var $wasComposite = it.compositeRule;
+  it.compositeRule = $it.compositeRule = true;
+  var arr1 = $schema;
+  if (arr1) {
+    var $sch, $i = -1,
+      l1 = arr1.length - 1;
+    while ($i < l1) {
+      $sch = arr1[$i += 1];
+      if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + '[' + $i + ']';
+        $it.errSchemaPath = $errSchemaPath + '/' + $i;
+        out += '  ' + (it.validate($it)) + ' ';
+        $it.baseId = $currentBaseId;
+      } else {
+        out += ' var ' + ($nextValid) + ' = true; ';
+      }
+      if ($i) {
+        out += ' if (' + ($nextValid) + ' && ' + ($prevValid) + ') { ' + ($valid) + ' = false; ' + ($passingSchemas) + ' = [' + ($passingSchemas) + ', ' + ($i) + ']; } else { ';
+        $closingBraces += '}';
+      }
+      out += ' if (' + ($nextValid) + ') { ' + ($valid) + ' = ' + ($prevValid) + ' = true; ' + ($passingSchemas) + ' = ' + ($i) + '; }';
+    }
+  }
+  it.compositeRule = $it.compositeRule = $wasComposite;
+  out += '' + ($closingBraces) + 'if (!' + ($valid) + ') {   var err =   '; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('oneOf') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { passingSchemas: ' + ($passingSchemas) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should match exactly one schema in oneOf\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError(vErrors); ';
+    } else {
+      out += ' validate.errors = vErrors; return false; ';
+    }
+  }
+  out += '} else {  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; }';
+  if (it.opts.allErrors) {
+    out += ' } ';
+  }
+  return out;
+}
+
+},{}],32:[function(require,module,exports){
+'use strict';
+module.exports = function generate_pattern(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $regexp = $isData ? '(new RegExp(' + $schemaValue + '))' : it.usePattern($schema);
+  out += 'if ( ';
+  if ($isData) {
+    out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'string\') || ';
+  }
+  out += ' !' + ($regexp) + '.test(' + ($data) + ') ) {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('pattern') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { pattern:  ';
+    if ($isData) {
+      out += '' + ($schemaValue);
+    } else {
+      out += '' + (it.util.toQuotedString($schema));
+    }
+    out += '  } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should match pattern "';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + (it.util.escapeQuotes($schema));
+      }
+      out += '"\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + (it.util.toQuotedString($schema));
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
+
+},{}],33:[function(require,module,exports){
+'use strict';
+module.exports = function generate_properties(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $key = 'key' + $lvl,
+    $idx = 'idx' + $lvl,
+    $dataNxt = $it.dataLevel = it.dataLevel + 1,
+    $nextData = 'data' + $dataNxt,
+    $dataProperties = 'dataProperties' + $lvl;
+  var $schemaKeys = Object.keys($schema || {}).filter(notProto),
+    $pProperties = it.schema.patternProperties || {},
+    $pPropertyKeys = Object.keys($pProperties).filter(notProto),
+    $aProperties = it.schema.additionalProperties,
+    $someProperties = $schemaKeys.length || $pPropertyKeys.length,
+    $noAdditional = $aProperties === false,
+    $additionalIsSchema = typeof $aProperties == 'object' && Object.keys($aProperties).length,
+    $removeAdditional = it.opts.removeAdditional,
+    $checkAdditional = $noAdditional || $additionalIsSchema || $removeAdditional,
+    $ownProperties = it.opts.ownProperties,
+    $currentBaseId = it.baseId;
+  var $required = it.schema.required;
+  if ($required && !(it.opts.$data && $required.$data) && $required.length < it.opts.loopRequired) {
+    var $requiredHash = it.util.toHash($required);
+  }
+
+  function notProto(p) {
+    return p !== '__proto__';
+  }
+  out += 'var ' + ($errs) + ' = errors;var ' + ($nextValid) + ' = true;';
+  if ($ownProperties) {
+    out += ' var ' + ($dataProperties) + ' = undefined;';
+  }
+  if ($checkAdditional) {
+    if ($ownProperties) {
+      out += ' ' + ($dataProperties) + ' = ' + ($dataProperties) + ' || Object.keys(' + ($data) + '); for (var ' + ($idx) + '=0; ' + ($idx) + '<' + ($dataProperties) + '.length; ' + ($idx) + '++) { var ' + ($key) + ' = ' + ($dataProperties) + '[' + ($idx) + ']; ';
+    } else {
+      out += ' for (var ' + ($key) + ' in ' + ($data) + ') { ';
+    }
+    if ($someProperties) {
+      out += ' var isAdditional' + ($lvl) + ' = !(false ';
+      if ($schemaKeys.length) {
+        if ($schemaKeys.length > 8) {
+          out += ' || validate.schema' + ($schemaPath) + '.hasOwnProperty(' + ($key) + ') ';
+        } else {
+          var arr1 = $schemaKeys;
+          if (arr1) {
+            var $propertyKey, i1 = -1,
+              l1 = arr1.length - 1;
+            while (i1 < l1) {
+              $propertyKey = arr1[i1 += 1];
+              out += ' || ' + ($key) + ' == ' + (it.util.toQuotedString($propertyKey)) + ' ';
+            }
+          }
+        }
+      }
+      if ($pPropertyKeys.length) {
+        var arr2 = $pPropertyKeys;
+        if (arr2) {
+          var $pProperty, $i = -1,
+            l2 = arr2.length - 1;
+          while ($i < l2) {
+            $pProperty = arr2[$i += 1];
+            out += ' || ' + (it.usePattern($pProperty)) + '.test(' + ($key) + ') ';
+          }
+        }
+      }
+      out += ' ); if (isAdditional' + ($lvl) + ') { ';
+    }
+    if ($removeAdditional == 'all') {
+      out += ' delete ' + ($data) + '[' + ($key) + ']; ';
+    } else {
+      var $currentErrorPath = it.errorPath;
+      var $additionalProperty = '\' + ' + $key + ' + \'';
+      if (it.opts._errorDataPathProperty) {
+        it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+      }
+      if ($noAdditional) {
+        if ($removeAdditional) {
+          out += ' delete ' + ($data) + '[' + ($key) + ']; ';
+        } else {
+          out += ' ' + ($nextValid) + ' = false; ';
+          var $currErrSchemaPath = $errSchemaPath;
+          $errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          var $$outStack = $$outStack || [];
+          $$outStack.push(out);
+          out = ''; /* istanbul ignore else */
+          if (it.createErrors !== false) {
+            out += ' { keyword: \'' + ('additionalProperties') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { additionalProperty: \'' + ($additionalProperty) + '\' } ';
+            if (it.opts.messages !== false) {
+              out += ' , message: \'';
+              if (it.opts._errorDataPathProperty) {
+                out += 'is an invalid additional property';
+              } else {
+                out += 'should NOT have additional properties';
+              }
+              out += '\' ';
+            }
+            if (it.opts.verbose) {
+              out += ' , schema: false , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+            }
+            out += ' } ';
+          } else {
+            out += ' {} ';
+          }
+          var __err = out;
+          out = $$outStack.pop();
+          if (!it.compositeRule && $breakOnError) {
+            /* istanbul ignore if */
+            if (it.async) {
+              out += ' throw new ValidationError([' + (__err) + ']); ';
+            } else {
+              out += ' validate.errors = [' + (__err) + ']; return false; ';
+            }
+          } else {
+            out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+          }
+          $errSchemaPath = $currErrSchemaPath;
+          if ($breakOnError) {
+            out += ' break; ';
+          }
+        }
+      } else if ($additionalIsSchema) {
+        if ($removeAdditional == 'failing') {
+          out += ' var ' + ($errs) + ' = errors;  ';
+          var $wasComposite = it.compositeRule;
+          it.compositeRule = $it.compositeRule = true;
+          $it.schema = $aProperties;
+          $it.schemaPath = it.schemaPath + '.additionalProperties';
+          $it.errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          $it.errorPath = it.opts._errorDataPathProperty ? it.errorPath : it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+          var $passData = $data + '[' + $key + ']';
+          $it.dataPathArr[$dataNxt] = $key;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+          } else {
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+          }
+          out += ' if (!' + ($nextValid) + ') { errors = ' + ($errs) + '; if (validate.errors !== null) { if (errors) validate.errors.length = errors; else validate.errors = null; } delete ' + ($data) + '[' + ($key) + ']; }  ';
+          it.compositeRule = $it.compositeRule = $wasComposite;
+        } else {
+          $it.schema = $aProperties;
+          $it.schemaPath = it.schemaPath + '.additionalProperties';
+          $it.errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          $it.errorPath = it.opts._errorDataPathProperty ? it.errorPath : it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+          var $passData = $data + '[' + $key + ']';
+          $it.dataPathArr[$dataNxt] = $key;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+          } else {
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+          }
+          if ($breakOnError) {
+            out += ' if (!' + ($nextValid) + ') break; ';
+          }
+        }
+      }
+      it.errorPath = $currentErrorPath;
+    }
+    if ($someProperties) {
+      out += ' } ';
+    }
+    out += ' }  ';
+    if ($breakOnError) {
+      out += ' if (' + ($nextValid) + ') { ';
+      $closingBraces += '}';
+    }
+  }
+  var $useDefaults = it.opts.useDefaults && !it.compositeRule;
+  if ($schemaKeys.length) {
+    var arr3 = $schemaKeys;
+    if (arr3) {
+      var $propertyKey, i3 = -1,
+        l3 = arr3.length - 1;
+      while (i3 < l3) {
+        $propertyKey = arr3[i3 += 1];
+        var $sch = $schema[$propertyKey];
+        if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+          var $prop = it.util.getProperty($propertyKey),
+            $passData = $data + $prop,
+            $hasDefault = $useDefaults && $sch.default !== undefined;
+          $it.schema = $sch;
+          $it.schemaPath = $schemaPath + $prop;
+          $it.errSchemaPath = $errSchemaPath + '/' + it.util.escapeFragment($propertyKey);
+          $it.errorPath = it.util.getPath(it.errorPath, $propertyKey, it.opts.jsonPointers);
+          $it.dataPathArr[$dataNxt] = it.util.toQuotedString($propertyKey);
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            $code = it.util.varReplace($code, $nextData, $passData);
+            var $useData = $passData;
+          } else {
+            var $useData = $nextData;
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ';
+          }
+          if ($hasDefault) {
+            out += ' ' + ($code) + ' ';
+          } else {
+            if ($requiredHash && $requiredHash[$propertyKey]) {
+              out += ' if ( ' + ($useData) + ' === undefined ';
+              if ($ownProperties) {
+                out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+              }
+              out += ') { ' + ($nextValid) + ' = false; ';
+              var $currentErrorPath = it.errorPath,
+                $currErrSchemaPath = $errSchemaPath,
+                $missingProperty = it.util.escapeQuotes($propertyKey);
+              if (it.opts._errorDataPathProperty) {
+                it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+              }
+              $errSchemaPath = it.errSchemaPath + '/required';
+              var $$outStack = $$outStack || [];
+              $$outStack.push(out);
+              out = ''; /* istanbul ignore else */
+              if (it.createErrors !== false) {
+                out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+                if (it.opts.messages !== false) {
+                  out += ' , message: \'';
+                  if (it.opts._errorDataPathProperty) {
+                    out += 'is a required property';
+                  } else {
+                    out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+                  }
+                  out += '\' ';
+                }
+                if (it.opts.verbose) {
+                  out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+                }
+                out += ' } ';
+              } else {
+                out += ' {} ';
+              }
+              var __err = out;
+              out = $$outStack.pop();
+              if (!it.compositeRule && $breakOnError) {
+                /* istanbul ignore if */
+                if (it.async) {
+                  out += ' throw new ValidationError([' + (__err) + ']); ';
+                } else {
+                  out += ' validate.errors = [' + (__err) + ']; return false; ';
+                }
+              } else {
+                out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+              }
+              $errSchemaPath = $currErrSchemaPath;
+              it.errorPath = $currentErrorPath;
+              out += ' } else { ';
+            } else {
+              if ($breakOnError) {
+                out += ' if ( ' + ($useData) + ' === undefined ';
+                if ($ownProperties) {
+                  out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+                }
+                out += ') { ' + ($nextValid) + ' = true; } else { ';
+              } else {
+                out += ' if (' + ($useData) + ' !== undefined ';
+                if ($ownProperties) {
+                  out += ' &&   Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+                }
+                out += ' ) { ';
+              }
+            }
+            out += ' ' + ($code) + ' } ';
+          }
+        }
+        if ($breakOnError) {
+          out += ' if (' + ($nextValid) + ') { ';
+          $closingBraces += '}';
+        }
+      }
+    }
+  }
+  if ($pPropertyKeys.length) {
+    var arr4 = $pPropertyKeys;
+    if (arr4) {
+      var $pProperty, i4 = -1,
+        l4 = arr4.length - 1;
+      while (i4 < l4) {
+        $pProperty = arr4[i4 += 1];
+        var $sch = $pProperties[$pProperty];
+        if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+          $it.schema = $sch;
+          $it.schemaPath = it.schemaPath + '.patternProperties' + it.util.getProperty($pProperty);
+          $it.errSchemaPath = it.errSchemaPath + '/patternProperties/' + it.util.escapeFragment($pProperty);
+          if ($ownProperties) {
+            out += ' ' + ($dataProperties) + ' = ' + ($dataProperties) + ' || Object.keys(' + ($data) + '); for (var ' + ($idx) + '=0; ' + ($idx) + '<' + ($dataProperties) + '.length; ' + ($idx) + '++) { var ' + ($key) + ' = ' + ($dataProperties) + '[' + ($idx) + ']; ';
+          } else {
+            out += ' for (var ' + ($key) + ' in ' + ($data) + ') { ';
+          }
+          out += ' if (' + (it.usePattern($pProperty)) + '.test(' + ($key) + ')) { ';
+          $it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+          var $passData = $data + '[' + $key + ']';
+          $it.dataPathArr[$dataNxt] = $key;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+          } else {
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+          }
+          if ($breakOnError) {
+            out += ' if (!' + ($nextValid) + ') break; ';
+          }
+          out += ' } ';
+          if ($breakOnError) {
+            out += ' else ' + ($nextValid) + ' = true; ';
+          }
+          out += ' }  ';
+          if ($breakOnError) {
+            out += ' if (' + ($nextValid) + ') { ';
+            $closingBraces += '}';
+          }
+        }
+      }
+    }
+  }
+  if ($breakOnError) {
+    out += ' ' + ($closingBraces) + ' if (' + ($errs) + ' == errors) {';
+  }
+  return out;
+}
+
+},{}],34:[function(require,module,exports){
+'use strict';
+module.exports = function generate_propertyNames(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  out += 'var ' + ($errs) + ' = errors;';
+  if ((it.opts.strictKeywords ? (typeof $schema == 'object' && Object.keys($schema).length > 0) || $schema === false : it.util.schemaHasRules($schema, it.RULES.all))) {
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    var $key = 'key' + $lvl,
+      $idx = 'idx' + $lvl,
+      $i = 'i' + $lvl,
+      $invalidName = '\' + ' + $key + ' + \'',
+      $dataNxt = $it.dataLevel = it.dataLevel + 1,
+      $nextData = 'data' + $dataNxt,
+      $dataProperties = 'dataProperties' + $lvl,
+      $ownProperties = it.opts.ownProperties,
+      $currentBaseId = it.baseId;
+    if ($ownProperties) {
+      out += ' var ' + ($dataProperties) + ' = undefined; ';
+    }
+    if ($ownProperties) {
+      out += ' ' + ($dataProperties) + ' = ' + ($dataProperties) + ' || Object.keys(' + ($data) + '); for (var ' + ($idx) + '=0; ' + ($idx) + '<' + ($dataProperties) + '.length; ' + ($idx) + '++) { var ' + ($key) + ' = ' + ($dataProperties) + '[' + ($idx) + ']; ';
+    } else {
+      out += ' for (var ' + ($key) + ' in ' + ($data) + ') { ';
+    }
+    out += ' var startErrs' + ($lvl) + ' = errors; ';
+    var $passData = $key;
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+    if (it.util.varOccurences($code, $nextData) < 2) {
+      out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+    } else {
+      out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+    }
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' if (!' + ($nextValid) + ') { for (var ' + ($i) + '=startErrs' + ($lvl) + '; ' + ($i) + '<errors; ' + ($i) + '++) { vErrors[' + ($i) + '].propertyName = ' + ($key) + '; }   var err =   '; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('propertyNames') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { propertyName: \'' + ($invalidName) + '\' } ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'property name \\\'' + ($invalidName) + '\\\' is invalid\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError(vErrors); ';
+      } else {
+        out += ' validate.errors = vErrors; return false; ';
+      }
+    }
+    if ($breakOnError) {
+      out += ' break; ';
+    }
+    out += ' } }';
+  }
+  if ($breakOnError) {
+    out += ' ' + ($closingBraces) + ' if (' + ($errs) + ' == errors) {';
+  }
+  return out;
+}
+
+},{}],35:[function(require,module,exports){
+'use strict';
+module.exports = function generate_ref(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $async, $refCode;
+  if ($schema == '#' || $schema == '#/') {
+    if (it.isRoot) {
+      $async = it.async;
+      $refCode = 'validate';
+    } else {
+      $async = it.root.schema.$async === true;
+      $refCode = 'root.refVal[0]';
+    }
+  } else {
+    var $refVal = it.resolveRef(it.baseId, $schema, it.isRoot);
+    if ($refVal === undefined) {
+      var $message = it.MissingRefError.message(it.baseId, $schema);
+      if (it.opts.missingRefs == 'fail') {
+        it.logger.error($message);
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('$ref') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { ref: \'' + (it.util.escapeQuotes($schema)) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'can\\\'t resolve reference ' + (it.util.escapeQuotes($schema)) + '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: ' + (it.util.toQuotedString($schema)) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+        if ($breakOnError) {
+          out += ' if (false) { ';
+        }
+      } else if (it.opts.missingRefs == 'ignore') {
+        it.logger.warn($message);
+        if ($breakOnError) {
+          out += ' if (true) { ';
+        }
+      } else {
+        throw new it.MissingRefError(it.baseId, $schema, $message);
+      }
+    } else if ($refVal.inline) {
+      var $it = it.util.copy(it);
+      $it.level++;
+      var $nextValid = 'valid' + $it.level;
+      $it.schema = $refVal.schema;
+      $it.schemaPath = '';
+      $it.errSchemaPath = $schema;
+      var $code = it.validate($it).replace(/validate\.schema/g, $refVal.code);
+      out += ' ' + ($code) + ' ';
+      if ($breakOnError) {
+        out += ' if (' + ($nextValid) + ') { ';
+      }
+    } else {
+      $async = $refVal.$async === true || (it.async && $refVal.$async !== false);
+      $refCode = $refVal.code;
+    }
+  }
+  if ($refCode) {
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    if (it.opts.passContext) {
+      out += ' ' + ($refCode) + '.call(this, ';
+    } else {
+      out += ' ' + ($refCode) + '( ';
+    }
+    out += ' ' + ($data) + ', (dataPath || \'\')';
+    if (it.errorPath != '""') {
+      out += ' + ' + (it.errorPath);
+    }
+    var $parentData = $dataLvl ? 'data' + (($dataLvl - 1) || '') : 'parentData',
+      $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+    out += ' , ' + ($parentData) + ' , ' + ($parentDataProperty) + ', rootData)  ';
+    var __callValidate = out;
+    out = $$outStack.pop();
+    if ($async) {
+      if (!it.async) throw new Error('async schema referenced by sync schema');
+      if ($breakOnError) {
+        out += ' var ' + ($valid) + '; ';
+      }
+      out += ' try { await ' + (__callValidate) + '; ';
+      if ($breakOnError) {
+        out += ' ' + ($valid) + ' = true; ';
+      }
+      out += ' } catch (e) { if (!(e instanceof ValidationError)) throw e; if (vErrors === null) vErrors = e.errors; else vErrors = vErrors.concat(e.errors); errors = vErrors.length; ';
+      if ($breakOnError) {
+        out += ' ' + ($valid) + ' = false; ';
+      }
+      out += ' } ';
+      if ($breakOnError) {
+        out += ' if (' + ($valid) + ') { ';
+      }
+    } else {
+      out += ' if (!' + (__callValidate) + ') { if (vErrors === null) vErrors = ' + ($refCode) + '.errors; else vErrors = vErrors.concat(' + ($refCode) + '.errors); errors = vErrors.length; } ';
+      if ($breakOnError) {
+        out += ' else { ';
+      }
+    }
+  }
+  return out;
+}
+
+},{}],36:[function(require,module,exports){
+'use strict';
+module.exports = function generate_required(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $vSchema = 'schema' + $lvl;
+  if (!$isData) {
+    if ($schema.length < it.opts.loopRequired && it.schema.properties && Object.keys(it.schema.properties).length) {
+      var $required = [];
+      var arr1 = $schema;
+      if (arr1) {
+        var $property, i1 = -1,
+          l1 = arr1.length - 1;
+        while (i1 < l1) {
+          $property = arr1[i1 += 1];
+          var $propertySch = it.schema.properties[$property];
+          if (!($propertySch && (it.opts.strictKeywords ? (typeof $propertySch == 'object' && Object.keys($propertySch).length > 0) || $propertySch === false : it.util.schemaHasRules($propertySch, it.RULES.all)))) {
+            $required[$required.length] = $property;
+          }
+        }
+      }
+    } else {
+      var $required = $schema;
+    }
+  }
+  if ($isData || $required.length) {
+    var $currentErrorPath = it.errorPath,
+      $loopRequired = $isData || $required.length >= it.opts.loopRequired,
+      $ownProperties = it.opts.ownProperties;
+    if ($breakOnError) {
+      out += ' var missing' + ($lvl) + '; ';
+      if ($loopRequired) {
+        if (!$isData) {
+          out += ' var ' + ($vSchema) + ' = validate.schema' + ($schemaPath) + '; ';
+        }
+        var $i = 'i' + $lvl,
+          $propertyPath = 'schema' + $lvl + '[' + $i + ']',
+          $missingProperty = '\' + ' + $propertyPath + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
+        }
+        out += ' var ' + ($valid) + ' = true; ';
+        if ($isData) {
+          out += ' if (schema' + ($lvl) + ' === undefined) ' + ($valid) + ' = true; else if (!Array.isArray(schema' + ($lvl) + ')) ' + ($valid) + ' = false; else {';
+        }
+        out += ' for (var ' + ($i) + ' = 0; ' + ($i) + ' < ' + ($vSchema) + '.length; ' + ($i) + '++) { ' + ($valid) + ' = ' + ($data) + '[' + ($vSchema) + '[' + ($i) + ']] !== undefined ';
+        if ($ownProperties) {
+          out += ' &&   Object.prototype.hasOwnProperty.call(' + ($data) + ', ' + ($vSchema) + '[' + ($i) + ']) ';
+        }
+        out += '; if (!' + ($valid) + ') break; } ';
+        if ($isData) {
+          out += '  }  ';
+        }
+        out += '  if (!' + ($valid) + ') {   ';
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'';
+            if (it.opts._errorDataPathProperty) {
+              out += 'is a required property';
+            } else {
+              out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+        out += ' } else { ';
+      } else {
+        out += ' if ( ';
+        var arr2 = $required;
+        if (arr2) {
+          var $propertyKey, $i = -1,
+            l2 = arr2.length - 1;
+          while ($i < l2) {
+            $propertyKey = arr2[$i += 1];
+            if ($i) {
+              out += ' || ';
+            }
+            var $prop = it.util.getProperty($propertyKey),
+              $useData = $data + $prop;
+            out += ' ( ( ' + ($useData) + ' === undefined ';
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+            }
+            out += ') && (missing' + ($lvl) + ' = ' + (it.util.toQuotedString(it.opts.jsonPointers ? $propertyKey : $prop)) + ') ) ';
+          }
+        }
+        out += ') {  ';
+        var $propertyPath = 'missing' + $lvl,
+          $missingProperty = '\' + ' + $propertyPath + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.opts.jsonPointers ? it.util.getPathExpr($currentErrorPath, $propertyPath, true) : $currentErrorPath + ' + ' + $propertyPath;
+        }
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'';
+            if (it.opts._errorDataPathProperty) {
+              out += 'is a required property';
+            } else {
+              out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+        out += ' } else { ';
+      }
+    } else {
+      if ($loopRequired) {
+        if (!$isData) {
+          out += ' var ' + ($vSchema) + ' = validate.schema' + ($schemaPath) + '; ';
+        }
+        var $i = 'i' + $lvl,
+          $propertyPath = 'schema' + $lvl + '[' + $i + ']',
+          $missingProperty = '\' + ' + $propertyPath + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
+        }
+        if ($isData) {
+          out += ' if (' + ($vSchema) + ' && !Array.isArray(' + ($vSchema) + ')) {  var err =   '; /* istanbul ignore else */
+          if (it.createErrors !== false) {
+            out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+            if (it.opts.messages !== false) {
+              out += ' , message: \'';
+              if (it.opts._errorDataPathProperty) {
+                out += 'is a required property';
+              } else {
+                out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+              }
+              out += '\' ';
+            }
+            if (it.opts.verbose) {
+              out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+            }
+            out += ' } ';
+          } else {
+            out += ' {} ';
+          }
+          out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } else if (' + ($vSchema) + ' !== undefined) { ';
+        }
+        out += ' for (var ' + ($i) + ' = 0; ' + ($i) + ' < ' + ($vSchema) + '.length; ' + ($i) + '++) { if (' + ($data) + '[' + ($vSchema) + '[' + ($i) + ']] === undefined ';
+        if ($ownProperties) {
+          out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', ' + ($vSchema) + '[' + ($i) + ']) ';
+        }
+        out += ') {  var err =   '; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'';
+            if (it.opts._errorDataPathProperty) {
+              out += 'is a required property';
+            } else {
+              out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } } ';
+        if ($isData) {
+          out += '  }  ';
+        }
+      } else {
+        var arr3 = $required;
+        if (arr3) {
+          var $propertyKey, i3 = -1,
+            l3 = arr3.length - 1;
+          while (i3 < l3) {
+            $propertyKey = arr3[i3 += 1];
+            var $prop = it.util.getProperty($propertyKey),
+              $missingProperty = it.util.escapeQuotes($propertyKey),
+              $useData = $data + $prop;
+            if (it.opts._errorDataPathProperty) {
+              it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+            }
+            out += ' if ( ' + ($useData) + ' === undefined ';
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+            }
+            out += ') {  var err =   '; /* istanbul ignore else */
+            if (it.createErrors !== false) {
+              out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+              if (it.opts.messages !== false) {
+                out += ' , message: \'';
+                if (it.opts._errorDataPathProperty) {
+                  out += 'is a required property';
+                } else {
+                  out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+                }
+                out += '\' ';
+              }
+              if (it.opts.verbose) {
+                out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+              }
+              out += ' } ';
+            } else {
+              out += ' {} ';
+            }
+            out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } ';
+          }
+        }
+      }
+    }
+    it.errorPath = $currentErrorPath;
+  } else if ($breakOnError) {
+    out += ' if (true) {';
+  }
+  return out;
+}
+
+},{}],37:[function(require,module,exports){
+'use strict';
+module.exports = function generate_uniqueItems(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (($schema || $isData) && it.opts.uniqueItems !== false) {
+    if ($isData) {
+      out += ' var ' + ($valid) + '; if (' + ($schemaValue) + ' === false || ' + ($schemaValue) + ' === undefined) ' + ($valid) + ' = true; else if (typeof ' + ($schemaValue) + ' != \'boolean\') ' + ($valid) + ' = false; else { ';
+    }
+    out += ' var i = ' + ($data) + '.length , ' + ($valid) + ' = true , j; if (i > 1) { ';
+    var $itemType = it.schema.items && it.schema.items.type,
+      $typeIsArray = Array.isArray($itemType);
+    if (!$itemType || $itemType == 'object' || $itemType == 'array' || ($typeIsArray && ($itemType.indexOf('object') >= 0 || $itemType.indexOf('array') >= 0))) {
+      out += ' outer: for (;i--;) { for (j = i; j--;) { if (equal(' + ($data) + '[i], ' + ($data) + '[j])) { ' + ($valid) + ' = false; break outer; } } } ';
+    } else {
+      out += ' var itemIndices = {}, item; for (;i--;) { var item = ' + ($data) + '[i]; ';
+      var $method = 'checkDataType' + ($typeIsArray ? 's' : '');
+      out += ' if (' + (it.util[$method]($itemType, 'item', it.opts.strictNumbers, true)) + ') continue; ';
+      if ($typeIsArray) {
+        out += ' if (typeof item == \'string\') item = \'"\' + item; ';
+      }
+      out += ' if (typeof itemIndices[item] == \'number\') { ' + ($valid) + ' = false; j = itemIndices[item]; break; } itemIndices[item] = i; } ';
+    }
+    out += ' } ';
+    if ($isData) {
+      out += '  }  ';
+    }
+    out += ' if (!' + ($valid) + ') {   ';
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = ''; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('uniqueItems') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { i: i, j: j } ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should NOT have duplicate items (items ## \' + j + \' and \' + i + \' are identical)\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema:  ';
+        if ($isData) {
+          out += 'validate.schema' + ($schemaPath);
+        } else {
+          out += '' + ($schema);
+        }
+        out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    var __err = out;
+    out = $$outStack.pop();
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + (__err) + ']); ';
+      } else {
+        out += ' validate.errors = [' + (__err) + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+    out += ' } ';
+    if ($breakOnError) {
+      out += ' else { ';
+    }
+  } else {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  }
+  return out;
+}
+
+},{}],38:[function(require,module,exports){
+'use strict';
+module.exports = function generate_validate(it, $keyword, $ruleType) {
+  var out = '';
+  var $async = it.schema.$async === true,
+    $refKeywords = it.util.schemaHasRulesExcept(it.schema, it.RULES.all, '$ref'),
+    $id = it.self._getId(it.schema);
+  if (it.opts.strictKeywords) {
+    var $unknownKwd = it.util.schemaUnknownRules(it.schema, it.RULES.keywords);
+    if ($unknownKwd) {
+      var $keywordsMsg = 'unknown keyword: ' + $unknownKwd;
+      if (it.opts.strictKeywords === 'log') it.logger.warn($keywordsMsg);
+      else throw new Error($keywordsMsg);
+    }
+  }
+  if (it.isTop) {
+    out += ' var validate = ';
+    if ($async) {
+      it.async = true;
+      out += 'async ';
+    }
+    out += 'function(data, dataPath, parentData, parentDataProperty, rootData) { \'use strict\'; ';
+    if ($id && (it.opts.sourceCode || it.opts.processCode)) {
+      out += ' ' + ('/\*# sourceURL=' + $id + ' */') + ' ';
+    }
+  }
+  if (typeof it.schema == 'boolean' || !($refKeywords || it.schema.$ref)) {
+    var $keyword = 'false schema';
+    var $lvl = it.level;
+    var $dataLvl = it.dataLevel;
+    var $schema = it.schema[$keyword];
+    var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+    var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+    var $breakOnError = !it.opts.allErrors;
+    var $errorKeyword;
+    var $data = 'data' + ($dataLvl || '');
+    var $valid = 'valid' + $lvl;
+    if (it.schema === false) {
+      if (it.isTop) {
+        $breakOnError = true;
+      } else {
+        out += ' var ' + ($valid) + ' = false; ';
+      }
+      var $$outStack = $$outStack || [];
+      $$outStack.push(out);
+      out = ''; /* istanbul ignore else */
+      if (it.createErrors !== false) {
+        out += ' { keyword: \'' + ($errorKeyword || 'false schema') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+        if (it.opts.messages !== false) {
+          out += ' , message: \'boolean schema is false\' ';
+        }
+        if (it.opts.verbose) {
+          out += ' , schema: false , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+        }
+        out += ' } ';
+      } else {
+        out += ' {} ';
+      }
+      var __err = out;
+      out = $$outStack.pop();
+      if (!it.compositeRule && $breakOnError) {
+        /* istanbul ignore if */
+        if (it.async) {
+          out += ' throw new ValidationError([' + (__err) + ']); ';
+        } else {
+          out += ' validate.errors = [' + (__err) + ']; return false; ';
+        }
+      } else {
+        out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+      }
+    } else {
+      if (it.isTop) {
+        if ($async) {
+          out += ' return data; ';
+        } else {
+          out += ' validate.errors = null; return true; ';
+        }
+      } else {
+        out += ' var ' + ($valid) + ' = true; ';
+      }
+    }
+    if (it.isTop) {
+      out += ' }; return validate; ';
+    }
+    return out;
+  }
+  if (it.isTop) {
+    var $top = it.isTop,
+      $lvl = it.level = 0,
+      $dataLvl = it.dataLevel = 0,
+      $data = 'data';
+    it.rootId = it.resolve.fullPath(it.self._getId(it.root.schema));
+    it.baseId = it.baseId || it.rootId;
+    delete it.isTop;
+    it.dataPathArr = [""];
+    if (it.schema.default !== undefined && it.opts.useDefaults && it.opts.strictDefaults) {
+      var $defaultMsg = 'default is ignored in the schema root';
+      if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+      else throw new Error($defaultMsg);
+    }
+    out += ' var vErrors = null; ';
+    out += ' var errors = 0;     ';
+    out += ' if (rootData === undefined) rootData = data; ';
+  } else {
+    var $lvl = it.level,
+      $dataLvl = it.dataLevel,
+      $data = 'data' + ($dataLvl || '');
+    if ($id) it.baseId = it.resolve.url(it.baseId, $id);
+    if ($async && !it.async) throw new Error('async schema in sync schema');
+    out += ' var errs_' + ($lvl) + ' = errors;';
+  }
+  var $valid = 'valid' + $lvl,
+    $breakOnError = !it.opts.allErrors,
+    $closingBraces1 = '',
+    $closingBraces2 = '';
+  var $errorKeyword;
+  var $typeSchema = it.schema.type,
+    $typeIsArray = Array.isArray($typeSchema);
+  if ($typeSchema && it.opts.nullable && it.schema.nullable === true) {
+    if ($typeIsArray) {
+      if ($typeSchema.indexOf('null') == -1) $typeSchema = $typeSchema.concat('null');
+    } else if ($typeSchema != 'null') {
+      $typeSchema = [$typeSchema, 'null'];
+      $typeIsArray = true;
+    }
+  }
+  if ($typeIsArray && $typeSchema.length == 1) {
+    $typeSchema = $typeSchema[0];
+    $typeIsArray = false;
+  }
+  if (it.schema.$ref && $refKeywords) {
+    if (it.opts.extendRefs == 'fail') {
+      throw new Error('$ref: validation keywords used in schema at path "' + it.errSchemaPath + '" (see option extendRefs)');
+    } else if (it.opts.extendRefs !== true) {
+      $refKeywords = false;
+      it.logger.warn('$ref: keywords ignored in schema at path "' + it.errSchemaPath + '"');
+    }
+  }
+  if (it.schema.$comment && it.opts.$comment) {
+    out += ' ' + (it.RULES.all.$comment.code(it, '$comment'));
+  }
+  if ($typeSchema) {
+    if (it.opts.coerceTypes) {
+      var $coerceToTypes = it.util.coerceToTypes(it.opts.coerceTypes, $typeSchema);
+    }
+    var $rulesGroup = it.RULES.types[$typeSchema];
+    if ($coerceToTypes || $typeIsArray || $rulesGroup === true || ($rulesGroup && !$shouldUseGroup($rulesGroup))) {
+      var $schemaPath = it.schemaPath + '.type',
+        $errSchemaPath = it.errSchemaPath + '/type';
+      var $schemaPath = it.schemaPath + '.type',
+        $errSchemaPath = it.errSchemaPath + '/type',
+        $method = $typeIsArray ? 'checkDataTypes' : 'checkDataType';
+      out += ' if (' + (it.util[$method]($typeSchema, $data, it.opts.strictNumbers, true)) + ') { ';
+      if ($coerceToTypes) {
+        var $dataType = 'dataType' + $lvl,
+          $coerced = 'coerced' + $lvl;
+        out += ' var ' + ($dataType) + ' = typeof ' + ($data) + '; var ' + ($coerced) + ' = undefined; ';
+        if (it.opts.coerceTypes == 'array') {
+          out += ' if (' + ($dataType) + ' == \'object\' && Array.isArray(' + ($data) + ') && ' + ($data) + '.length == 1) { ' + ($data) + ' = ' + ($data) + '[0]; ' + ($dataType) + ' = typeof ' + ($data) + '; if (' + (it.util.checkDataType(it.schema.type, $data, it.opts.strictNumbers)) + ') ' + ($coerced) + ' = ' + ($data) + '; } ';
+        }
+        out += ' if (' + ($coerced) + ' !== undefined) ; ';
+        var arr1 = $coerceToTypes;
+        if (arr1) {
+          var $type, $i = -1,
+            l1 = arr1.length - 1;
+          while ($i < l1) {
+            $type = arr1[$i += 1];
+            if ($type == 'string') {
+              out += ' else if (' + ($dataType) + ' == \'number\' || ' + ($dataType) + ' == \'boolean\') ' + ($coerced) + ' = \'\' + ' + ($data) + '; else if (' + ($data) + ' === null) ' + ($coerced) + ' = \'\'; ';
+            } else if ($type == 'number' || $type == 'integer') {
+              out += ' else if (' + ($dataType) + ' == \'boolean\' || ' + ($data) + ' === null || (' + ($dataType) + ' == \'string\' && ' + ($data) + ' && ' + ($data) + ' == +' + ($data) + ' ';
+              if ($type == 'integer') {
+                out += ' && !(' + ($data) + ' % 1)';
+              }
+              out += ')) ' + ($coerced) + ' = +' + ($data) + '; ';
+            } else if ($type == 'boolean') {
+              out += ' else if (' + ($data) + ' === \'false\' || ' + ($data) + ' === 0 || ' + ($data) + ' === null) ' + ($coerced) + ' = false; else if (' + ($data) + ' === \'true\' || ' + ($data) + ' === 1) ' + ($coerced) + ' = true; ';
+            } else if ($type == 'null') {
+              out += ' else if (' + ($data) + ' === \'\' || ' + ($data) + ' === 0 || ' + ($data) + ' === false) ' + ($coerced) + ' = null; ';
+            } else if (it.opts.coerceTypes == 'array' && $type == 'array') {
+              out += ' else if (' + ($dataType) + ' == \'string\' || ' + ($dataType) + ' == \'number\' || ' + ($dataType) + ' == \'boolean\' || ' + ($data) + ' == null) ' + ($coerced) + ' = [' + ($data) + ']; ';
+            }
+          }
+        }
+        out += ' else {   ';
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
+          if ($typeIsArray) {
+            out += '' + ($typeSchema.join(","));
+          } else {
+            out += '' + ($typeSchema);
+          }
+          out += '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'should be ';
+            if ($typeIsArray) {
+              out += '' + ($typeSchema.join(","));
+            } else {
+              out += '' + ($typeSchema);
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+        out += ' } if (' + ($coerced) + ' !== undefined) {  ';
+        var $parentData = $dataLvl ? 'data' + (($dataLvl - 1) || '') : 'parentData',
+          $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+        out += ' ' + ($data) + ' = ' + ($coerced) + '; ';
+        if (!$dataLvl) {
+          out += 'if (' + ($parentData) + ' !== undefined)';
+        }
+        out += ' ' + ($parentData) + '[' + ($parentDataProperty) + '] = ' + ($coerced) + '; } ';
+      } else {
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
+          if ($typeIsArray) {
+            out += '' + ($typeSchema.join(","));
+          } else {
+            out += '' + ($typeSchema);
+          }
+          out += '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'should be ';
+            if ($typeIsArray) {
+              out += '' + ($typeSchema.join(","));
+            } else {
+              out += '' + ($typeSchema);
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+      }
+      out += ' } ';
+    }
+  }
+  if (it.schema.$ref && !$refKeywords) {
+    out += ' ' + (it.RULES.all.$ref.code(it, '$ref')) + ' ';
+    if ($breakOnError) {
+      out += ' } if (errors === ';
+      if ($top) {
+        out += '0';
+      } else {
+        out += 'errs_' + ($lvl);
+      }
+      out += ') { ';
+      $closingBraces2 += '}';
+    }
+  } else {
+    var arr2 = it.RULES;
+    if (arr2) {
+      var $rulesGroup, i2 = -1,
+        l2 = arr2.length - 1;
+      while (i2 < l2) {
+        $rulesGroup = arr2[i2 += 1];
+        if ($shouldUseGroup($rulesGroup)) {
+          if ($rulesGroup.type) {
+            out += ' if (' + (it.util.checkDataType($rulesGroup.type, $data, it.opts.strictNumbers)) + ') { ';
+          }
+          if (it.opts.useDefaults) {
+            if ($rulesGroup.type == 'object' && it.schema.properties) {
+              var $schema = it.schema.properties,
+                $schemaKeys = Object.keys($schema);
+              var arr3 = $schemaKeys;
+              if (arr3) {
+                var $propertyKey, i3 = -1,
+                  l3 = arr3.length - 1;
+                while (i3 < l3) {
+                  $propertyKey = arr3[i3 += 1];
+                  var $sch = $schema[$propertyKey];
+                  if ($sch.default !== undefined) {
+                    var $passData = $data + it.util.getProperty($propertyKey);
+                    if (it.compositeRule) {
+                      if (it.opts.strictDefaults) {
+                        var $defaultMsg = 'default is ignored for: ' + $passData;
+                        if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+                        else throw new Error($defaultMsg);
+                      }
+                    } else {
+                      out += ' if (' + ($passData) + ' === undefined ';
+                      if (it.opts.useDefaults == 'empty') {
+                        out += ' || ' + ($passData) + ' === null || ' + ($passData) + ' === \'\' ';
+                      }
+                      out += ' ) ' + ($passData) + ' = ';
+                      if (it.opts.useDefaults == 'shared') {
+                        out += ' ' + (it.useDefault($sch.default)) + ' ';
+                      } else {
+                        out += ' ' + (JSON.stringify($sch.default)) + ' ';
+                      }
+                      out += '; ';
+                    }
+                  }
+                }
+              }
+            } else if ($rulesGroup.type == 'array' && Array.isArray(it.schema.items)) {
+              var arr4 = it.schema.items;
+              if (arr4) {
+                var $sch, $i = -1,
+                  l4 = arr4.length - 1;
+                while ($i < l4) {
+                  $sch = arr4[$i += 1];
+                  if ($sch.default !== undefined) {
+                    var $passData = $data + '[' + $i + ']';
+                    if (it.compositeRule) {
+                      if (it.opts.strictDefaults) {
+                        var $defaultMsg = 'default is ignored for: ' + $passData;
+                        if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+                        else throw new Error($defaultMsg);
+                      }
+                    } else {
+                      out += ' if (' + ($passData) + ' === undefined ';
+                      if (it.opts.useDefaults == 'empty') {
+                        out += ' || ' + ($passData) + ' === null || ' + ($passData) + ' === \'\' ';
+                      }
+                      out += ' ) ' + ($passData) + ' = ';
+                      if (it.opts.useDefaults == 'shared') {
+                        out += ' ' + (it.useDefault($sch.default)) + ' ';
+                      } else {
+                        out += ' ' + (JSON.stringify($sch.default)) + ' ';
+                      }
+                      out += '; ';
+                    }
+                  }
+                }
+              }
+            }
+          }
+          var arr5 = $rulesGroup.rules;
+          if (arr5) {
+            var $rule, i5 = -1,
+              l5 = arr5.length - 1;
+            while (i5 < l5) {
+              $rule = arr5[i5 += 1];
+              if ($shouldUseRule($rule)) {
+                var $code = $rule.code(it, $rule.keyword, $rulesGroup.type);
+                if ($code) {
+                  out += ' ' + ($code) + ' ';
+                  if ($breakOnError) {
+                    $closingBraces1 += '}';
+                  }
+                }
+              }
+            }
+          }
+          if ($breakOnError) {
+            out += ' ' + ($closingBraces1) + ' ';
+            $closingBraces1 = '';
+          }
+          if ($rulesGroup.type) {
+            out += ' } ';
+            if ($typeSchema && $typeSchema === $rulesGroup.type && !$coerceToTypes) {
+              out += ' else { ';
+              var $schemaPath = it.schemaPath + '.type',
+                $errSchemaPath = it.errSchemaPath + '/type';
+              var $$outStack = $$outStack || [];
+              $$outStack.push(out);
+              out = ''; /* istanbul ignore else */
+              if (it.createErrors !== false) {
+                out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
+                if ($typeIsArray) {
+                  out += '' + ($typeSchema.join(","));
+                } else {
+                  out += '' + ($typeSchema);
+                }
+                out += '\' } ';
+                if (it.opts.messages !== false) {
+                  out += ' , message: \'should be ';
+                  if ($typeIsArray) {
+                    out += '' + ($typeSchema.join(","));
+                  } else {
+                    out += '' + ($typeSchema);
+                  }
+                  out += '\' ';
+                }
+                if (it.opts.verbose) {
+                  out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+                }
+                out += ' } ';
+              } else {
+                out += ' {} ';
+              }
+              var __err = out;
+              out = $$outStack.pop();
+              if (!it.compositeRule && $breakOnError) {
+                /* istanbul ignore if */
+                if (it.async) {
+                  out += ' throw new ValidationError([' + (__err) + ']); ';
+                } else {
+                  out += ' validate.errors = [' + (__err) + ']; return false; ';
+                }
+              } else {
+                out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+              }
+              out += ' } ';
+            }
+          }
+          if ($breakOnError) {
+            out += ' if (errors === ';
+            if ($top) {
+              out += '0';
+            } else {
+              out += 'errs_' + ($lvl);
+            }
+            out += ') { ';
+            $closingBraces2 += '}';
+          }
+        }
+      }
+    }
+  }
+  if ($breakOnError) {
+    out += ' ' + ($closingBraces2) + ' ';
+  }
+  if ($top) {
+    if ($async) {
+      out += ' if (errors === 0) return data;           ';
+      out += ' else throw new ValidationError(vErrors); ';
+    } else {
+      out += ' validate.errors = vErrors; ';
+      out += ' return errors === 0;       ';
+    }
+    out += ' }; return validate;';
+  } else {
+    out += ' var ' + ($valid) + ' = errors === errs_' + ($lvl) + ';';
+  }
+
+  function $shouldUseGroup($rulesGroup) {
+    var rules = $rulesGroup.rules;
+    for (var i = 0; i < rules.length; i++)
+      if ($shouldUseRule(rules[i])) return true;
+  }
+
+  function $shouldUseRule($rule) {
+    return it.schema[$rule.keyword] !== undefined || ($rule.implements && $ruleImplementsSomeKeyword($rule));
+  }
+
+  function $ruleImplementsSomeKeyword($rule) {
+    var impl = $rule.implements;
+    for (var i = 0; i < impl.length; i++)
+      if (it.schema[impl[i]] !== undefined) return true;
+  }
+  return out;
+}
+
+},{}],39:[function(require,module,exports){
+'use strict';
+
+var IDENTIFIER = /^[a-z_$][a-z0-9_$-]*$/i;
+var customRuleCode = require('./dotjs/custom');
+var definitionSchema = require('./definition_schema');
+
+module.exports = {
+  add: addKeyword,
+  get: getKeyword,
+  remove: removeKeyword,
+  validate: validateKeyword
+};
+
+
+/**
+ * Define custom keyword
+ * @this  Ajv
+ * @param {String} keyword custom keyword, should be unique (including different from all standard, custom and macro keywords).
+ * @param {Object} definition keyword definition object with properties `type` (type(s) which the keyword applies to), `validate` or `compile`.
+ * @return {Ajv} this for method chaining
+ */
+function addKeyword(keyword, definition) {
+  /* jshint validthis: true */
+  /* eslint no-shadow: 0 */
+  var RULES = this.RULES;
+  if (RULES.keywords[keyword])
+    throw new Error('Keyword ' + keyword + ' is already defined');
+
+  if (!IDENTIFIER.test(keyword))
+    throw new Error('Keyword ' + keyword + ' is not a valid identifier');
+
+  if (definition) {
+    this.validateKeyword(definition, true);
+
+    var dataType = definition.type;
+    if (Array.isArray(dataType)) {
+      for (var i=0; i<dataType.length; i++)
+        _addRule(keyword, dataType[i], definition);
+    } else {
+      _addRule(keyword, dataType, definition);
+    }
+
+    var metaSchema = definition.metaSchema;
+    if (metaSchema) {
+      if (definition.$data && this._opts.$data) {
+        metaSchema = {
+          anyOf: [
+            metaSchema,
+            { '$ref': 'https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#' }
+          ]
+        };
+      }
+      definition.validateSchema = this.compile(metaSchema, true);
+    }
+  }
+
+  RULES.keywords[keyword] = RULES.all[keyword] = true;
+
+
+  function _addRule(keyword, dataType, definition) {
+    var ruleGroup;
+    for (var i=0; i<RULES.length; i++) {
+      var rg = RULES[i];
+      if (rg.type == dataType) {
+        ruleGroup = rg;
+        break;
+      }
+    }
+
+    if (!ruleGroup) {
+      ruleGroup = { type: dataType, rules: [] };
+      RULES.push(ruleGroup);
+    }
+
+    var rule = {
+      keyword: keyword,
+      definition: definition,
+      custom: true,
+      code: customRuleCode,
+      implements: definition.implements
+    };
+    ruleGroup.rules.push(rule);
+    RULES.custom[keyword] = rule;
+  }
+
+  return this;
+}
+
+
+/**
+ * Get keyword
+ * @this  Ajv
+ * @param {String} keyword pre-defined or custom keyword.
+ * @return {Object|Boolean} custom keyword definition, `true` if it is a predefined keyword, `false` otherwise.
+ */
+function getKeyword(keyword) {
+  /* jshint validthis: true */
+  var rule = this.RULES.custom[keyword];
+  return rule ? rule.definition : this.RULES.keywords[keyword] || false;
+}
+
+
+/**
+ * Remove keyword
+ * @this  Ajv
+ * @param {String} keyword pre-defined or custom keyword.
+ * @return {Ajv} this for method chaining
+ */
+function removeKeyword(keyword) {
+  /* jshint validthis: true */
+  var RULES = this.RULES;
+  delete RULES.keywords[keyword];
+  delete RULES.all[keyword];
+  delete RULES.custom[keyword];
+  for (var i=0; i<RULES.length; i++) {
+    var rules = RULES[i].rules;
+    for (var j=0; j<rules.length; j++) {
+      if (rules[j].keyword == keyword) {
+        rules.splice(j, 1);
+        break;
+      }
+    }
+  }
+  return this;
+}
+
+
+/**
+ * Validate keyword definition
+ * @this  Ajv
+ * @param {Object} definition keyword definition object.
+ * @param {Boolean} throwError true to throw exception if definition is invalid
+ * @return {boolean} validation result
+ */
+function validateKeyword(definition, throwError) {
+  validateKeyword.errors = null;
+  var v = this._validateKeyword = this._validateKeyword
+                                  || this.compile(definitionSchema, true);
+
+  if (v(definition)) return true;
+  validateKeyword.errors = v.errors;
+  if (throwError)
+    throw new Error('custom keyword definition is invalid: '  + this.errorsText(v.errors));
+  else
+    return false;
+}
+
+},{"./definition_schema":12,"./dotjs/custom":22}],40:[function(require,module,exports){
+module.exports={
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#",
+    "description": "Meta-schema for $data reference (JSON Schema extension proposal)",
+    "type": "object",
+    "required": [ "$data" ],
+    "properties": {
+        "$data": {
+            "type": "string",
+            "anyOf": [
+                { "format": "relative-json-pointer" }, 
+                { "format": "json-pointer" }
+            ]
+        }
+    },
+    "additionalProperties": false
+}
+
+},{}],41:[function(require,module,exports){
+module.exports={
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "http://json-schema.org/draft-07/schema#",
+    "title": "Core schema meta-schema",
+    "definitions": {
+        "schemaArray": {
+            "type": "array",
+            "minItems": 1,
+            "items": { "$ref": "#" }
+        },
+        "nonNegativeInteger": {
+            "type": "integer",
+            "minimum": 0
+        },
+        "nonNegativeIntegerDefault0": {
+            "allOf": [
+                { "$ref": "#/definitions/nonNegativeInteger" },
+                { "default": 0 }
+            ]
+        },
+        "simpleTypes": {
+            "enum": [
+                "array",
+                "boolean",
+                "integer",
+                "null",
+                "number",
+                "object",
+                "string"
+            ]
+        },
+        "stringArray": {
+            "type": "array",
+            "items": { "type": "string" },
+            "uniqueItems": true,
+            "default": []
+        }
+    },
+    "type": ["object", "boolean"],
+    "properties": {
+        "$id": {
+            "type": "string",
+            "format": "uri-reference"
+        },
+        "$schema": {
+            "type": "string",
+            "format": "uri"
+        },
+        "$ref": {
+            "type": "string",
+            "format": "uri-reference"
+        },
+        "$comment": {
+            "type": "string"
+        },
+        "title": {
+            "type": "string"
+        },
+        "description": {
+            "type": "string"
+        },
+        "default": true,
+        "readOnly": {
+            "type": "boolean",
+            "default": false
+        },
+        "examples": {
+            "type": "array",
+            "items": true
+        },
+        "multipleOf": {
+            "type": "number",
+            "exclusiveMinimum": 0
+        },
+        "maximum": {
+            "type": "number"
+        },
+        "exclusiveMaximum": {
+            "type": "number"
+        },
+        "minimum": {
+            "type": "number"
+        },
+        "exclusiveMinimum": {
+            "type": "number"
+        },
+        "maxLength": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minLength": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "pattern": {
+            "type": "string",
+            "format": "regex"
+        },
+        "additionalItems": { "$ref": "#" },
+        "items": {
+            "anyOf": [
+                { "$ref": "#" },
+                { "$ref": "#/definitions/schemaArray" }
+            ],
+            "default": true
+        },
+        "maxItems": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minItems": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "uniqueItems": {
+            "type": "boolean",
+            "default": false
+        },
+        "contains": { "$ref": "#" },
+        "maxProperties": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minProperties": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "required": { "$ref": "#/definitions/stringArray" },
+        "additionalProperties": { "$ref": "#" },
+        "definitions": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "properties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "patternProperties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "propertyNames": { "format": "regex" },
+            "default": {}
+        },
+        "dependencies": {
+            "type": "object",
+            "additionalProperties": {
+                "anyOf": [
+                    { "$ref": "#" },
+                    { "$ref": "#/definitions/stringArray" }
+                ]
+            }
+        },
+        "propertyNames": { "$ref": "#" },
+        "const": true,
+        "enum": {
+            "type": "array",
+            "items": true,
+            "minItems": 1,
+            "uniqueItems": true
+        },
+        "type": {
+            "anyOf": [
+                { "$ref": "#/definitions/simpleTypes" },
+                {
+                    "type": "array",
+                    "items": { "$ref": "#/definitions/simpleTypes" },
+                    "minItems": 1,
+                    "uniqueItems": true
+                }
+            ]
+        },
+        "format": { "type": "string" },
+        "contentMediaType": { "type": "string" },
+        "contentEncoding": { "type": "string" },
+        "if": {"$ref": "#"},
+        "then": {"$ref": "#"},
+        "else": {"$ref": "#"},
+        "allOf": { "$ref": "#/definitions/schemaArray" },
+        "anyOf": { "$ref": "#/definitions/schemaArray" },
+        "oneOf": { "$ref": "#/definitions/schemaArray" },
+        "not": { "$ref": "#" }
+    },
+    "default": true
+}
+
+},{}],42:[function(require,module,exports){
+'use strict';
+
+// do not edit .js files directly - edit src/index.jst
+
+
+
+module.exports = function equal(a, b) {
+  if (a === b) return true;
+
+  if (a && b && typeof a == 'object' && typeof b == 'object') {
+    if (a.constructor !== b.constructor) return false;
+
+    var length, i, keys;
+    if (Array.isArray(a)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (!equal(a[i], b[i])) return false;
+      return true;
+    }
+
+
+
+    if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
+    if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
+    if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
+
+    keys = Object.keys(a);
+    length = keys.length;
+    if (length !== Object.keys(b).length) return false;
+
+    for (i = length; i-- !== 0;)
+      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
+
+    for (i = length; i-- !== 0;) {
+      var key = keys[i];
+
+      if (!equal(a[key], b[key])) return false;
+    }
+
+    return true;
+  }
+
+  // true if both NaN, false otherwise
+  return a!==a && b!==b;
+};
+
+},{}],43:[function(require,module,exports){
+'use strict';
+
+module.exports = function (data, opts) {
+    if (!opts) opts = {};
+    if (typeof opts === 'function') opts = { cmp: opts };
+    var cycles = (typeof opts.cycles === 'boolean') ? opts.cycles : false;
+
+    var cmp = opts.cmp && (function (f) {
+        return function (node) {
+            return function (a, b) {
+                var aobj = { key: a, value: node[a] };
+                var bobj = { key: b, value: node[b] };
+                return f(aobj, bobj);
+            };
+        };
+    })(opts.cmp);
+
+    var seen = [];
+    return (function stringify (node) {
+        if (node && node.toJSON && typeof node.toJSON === 'function') {
+            node = node.toJSON();
+        }
+
+        if (node === undefined) return;
+        if (typeof node == 'number') return isFinite(node) ? '' + node : 'null';
+        if (typeof node !== 'object') return JSON.stringify(node);
+
+        var i, out;
+        if (Array.isArray(node)) {
+            out = '[';
+            for (i = 0; i < node.length; i++) {
+                if (i) out += ',';
+                out += stringify(node[i]) || 'null';
+            }
+            return out + ']';
+        }
+
+        if (node === null) return 'null';
+
+        if (seen.indexOf(node) !== -1) {
+            if (cycles) return JSON.stringify('__cycle__');
+            throw new TypeError('Converting circular structure to JSON');
+        }
+
+        var seenIndex = seen.push(node) - 1;
+        var keys = Object.keys(node).sort(cmp && cmp(node));
+        out = '';
+        for (i = 0; i < keys.length; i++) {
+            var key = keys[i];
+            var value = stringify(node[key]);
+
+            if (!value) continue;
+            if (out) out += ',';
+            out += JSON.stringify(key) + ':' + value;
+        }
+        seen.splice(seenIndex, 1);
+        return '{' + out + '}';
+    })(data);
+};
+
+},{}],44:[function(require,module,exports){
+'use strict';
+
+var traverse = module.exports = function (schema, opts, cb) {
+  // Legacy support for v0.3.1 and earlier.
+  if (typeof opts == 'function') {
+    cb = opts;
+    opts = {};
+  }
+
+  cb = opts.cb || cb;
+  var pre = (typeof cb == 'function') ? cb : cb.pre || function() {};
+  var post = cb.post || function() {};
+
+  _traverse(opts, pre, post, schema, '', schema);
+};
+
+
+traverse.keywords = {
+  additionalItems: true,
+  items: true,
+  contains: true,
+  additionalProperties: true,
+  propertyNames: true,
+  not: true
+};
+
+traverse.arrayKeywords = {
+  items: true,
+  allOf: true,
+  anyOf: true,
+  oneOf: true
+};
+
+traverse.propsKeywords = {
+  definitions: true,
+  properties: true,
+  patternProperties: true,
+  dependencies: true
+};
+
+traverse.skipKeywords = {
+  default: true,
+  enum: true,
+  const: true,
+  required: true,
+  maximum: true,
+  minimum: true,
+  exclusiveMaximum: true,
+  exclusiveMinimum: true,
+  multipleOf: true,
+  maxLength: true,
+  minLength: true,
+  pattern: true,
+  format: true,
+  maxItems: true,
+  minItems: true,
+  uniqueItems: true,
+  maxProperties: true,
+  minProperties: true
+};
+
+
+function _traverse(opts, pre, post, schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) {
+  if (schema && typeof schema == 'object' && !Array.isArray(schema)) {
+    pre(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex);
+    for (var key in schema) {
+      var sch = schema[key];
+      if (Array.isArray(sch)) {
+        if (key in traverse.arrayKeywords) {
+          for (var i=0; i<sch.length; i++)
+            _traverse(opts, pre, post, sch[i], jsonPtr + '/' + key + '/' + i, rootSchema, jsonPtr, key, schema, i);
+        }
+      } else if (key in traverse.propsKeywords) {
+        if (sch && typeof sch == 'object') {
+          for (var prop in sch)
+            _traverse(opts, pre, post, sch[prop], jsonPtr + '/' + key + '/' + escapeJsonPtr(prop), rootSchema, jsonPtr, key, schema, prop);
+        }
+      } else if (key in traverse.keywords || (opts.allKeys && !(key in traverse.skipKeywords))) {
+        _traverse(opts, pre, post, sch, jsonPtr + '/' + key, rootSchema, jsonPtr, key, schema);
+      }
+    }
+    post(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex);
+  }
+}
+
+
+function escapeJsonPtr(str) {
+  return str.replace(/~/g, '~0').replace(/\//g, '~1');
+}
+
+},{}],45:[function(require,module,exports){
+/** @license URI.js v4.4.0 (c) 2011 Gary Court. License: http://github.com/garycourt/uri-js */
+(function (global, factory) {
+	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+	typeof define === 'function' && define.amd ? define(['exports'], factory) :
+	(factory((global.URI = global.URI || {})));
+}(this, (function (exports) { 'use strict';
+
+function merge() {
+    for (var _len = arguments.length, sets = Array(_len), _key = 0; _key < _len; _key++) {
+        sets[_key] = arguments[_key];
+    }
+
+    if (sets.length > 1) {
+        sets[0] = sets[0].slice(0, -1);
+        var xl = sets.length - 1;
+        for (var x = 1; x < xl; ++x) {
+            sets[x] = sets[x].slice(1, -1);
+        }
+        sets[xl] = sets[xl].slice(1);
+        return sets.join('');
+    } else {
+        return sets[0];
+    }
+}
+function subexp(str) {
+    return "(?:" + str + ")";
+}
+function typeOf(o) {
+    return o === undefined ? "undefined" : o === null ? "null" : Object.prototype.toString.call(o).split(" ").pop().split("]").shift().toLowerCase();
+}
+function toUpperCase(str) {
+    return str.toUpperCase();
+}
+function toArray(obj) {
+    return obj !== undefined && obj !== null ? obj instanceof Array ? obj : typeof obj.length !== "number" || obj.split || obj.setInterval || obj.call ? [obj] : Array.prototype.slice.call(obj) : [];
+}
+function assign(target, source) {
+    var obj = target;
+    if (source) {
+        for (var key in source) {
+            obj[key] = source[key];
+        }
+    }
+    return obj;
+}
+
+function buildExps(isIRI) {
+    var ALPHA$$ = "[A-Za-z]",
+        CR$ = "[\\x0D]",
+        DIGIT$$ = "[0-9]",
+        DQUOTE$$ = "[\\x22]",
+        HEXDIG$$ = merge(DIGIT$$, "[A-Fa-f]"),
+        //case-insensitive
+    LF$$ = "[\\x0A]",
+        SP$$ = "[\\x20]",
+        PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)),
+        //expanded
+    GEN_DELIMS$$ = "[\\:\\/\\?\\#\\[\\]\\@]",
+        SUB_DELIMS$$ = "[\\!\\$\\&\\'\\(\\)\\*\\+\\,\\;\\=]",
+        RESERVED$$ = merge(GEN_DELIMS$$, SUB_DELIMS$$),
+        UCSCHAR$$ = isIRI ? "[\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]" : "[]",
+        //subset, excludes bidi control characters
+    IPRIVATE$$ = isIRI ? "[\\uE000-\\uF8FF]" : "[]",
+        //subset
+    UNRESERVED$$ = merge(ALPHA$$, DIGIT$$, "[\\-\\.\\_\\~]", UCSCHAR$$),
+        SCHEME$ = subexp(ALPHA$$ + merge(ALPHA$$, DIGIT$$, "[\\+\\-\\.]") + "*"),
+        USERINFO$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]")) + "*"),
+        DEC_OCTET$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("[1-9]" + DIGIT$$) + "|" + DIGIT$$),
+        DEC_OCTET_RELAXED$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("0?[1-9]" + DIGIT$$) + "|0?0?" + DIGIT$$),
+        //relaxed parsing rules
+    IPV4ADDRESS$ = subexp(DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$),
+        H16$ = subexp(HEXDIG$$ + "{1,4}"),
+        LS32$ = subexp(subexp(H16$ + "\\:" + H16$) + "|" + IPV4ADDRESS$),
+        IPV6ADDRESS1$ = subexp(subexp(H16$ + "\\:") + "{6}" + LS32$),
+        //                           6( h16 ":" ) ls32
+    IPV6ADDRESS2$ = subexp("\\:\\:" + subexp(H16$ + "\\:") + "{5}" + LS32$),
+        //                      "::" 5( h16 ":" ) ls32
+    IPV6ADDRESS3$ = subexp(subexp(H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{4}" + LS32$),
+        //[               h16 ] "::" 4( h16 ":" ) ls32
+    IPV6ADDRESS4$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,1}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{3}" + LS32$),
+        //[ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32
+    IPV6ADDRESS5$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,2}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{2}" + LS32$),
+        //[ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32
+    IPV6ADDRESS6$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,3}" + H16$) + "?\\:\\:" + H16$ + "\\:" + LS32$),
+        //[ *3( h16 ":" ) h16 ] "::"    h16 ":"   ls32
+    IPV6ADDRESS7$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,4}" + H16$) + "?\\:\\:" + LS32$),
+        //[ *4( h16 ":" ) h16 ] "::"              ls32
+    IPV6ADDRESS8$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,5}" + H16$) + "?\\:\\:" + H16$),
+        //[ *5( h16 ":" ) h16 ] "::"              h16
+    IPV6ADDRESS9$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,6}" + H16$) + "?\\:\\:"),
+        //[ *6( h16 ":" ) h16 ] "::"
+    IPV6ADDRESS$ = subexp([IPV6ADDRESS1$, IPV6ADDRESS2$, IPV6ADDRESS3$, IPV6ADDRESS4$, IPV6ADDRESS5$, IPV6ADDRESS6$, IPV6ADDRESS7$, IPV6ADDRESS8$, IPV6ADDRESS9$].join("|")),
+        ZONEID$ = subexp(subexp(UNRESERVED$$ + "|" + PCT_ENCODED$) + "+"),
+        //RFC 6874
+    IPV6ADDRZ$ = subexp(IPV6ADDRESS$ + "\\%25" + ZONEID$),
+        //RFC 6874
+    IPV6ADDRZ_RELAXED$ = subexp(IPV6ADDRESS$ + subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + ZONEID$),
+        //RFC 6874, with relaxed parsing rules
+    IPVFUTURE$ = subexp("[vV]" + HEXDIG$$ + "+\\." + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]") + "+"),
+        IP_LITERAL$ = subexp("\\[" + subexp(IPV6ADDRZ_RELAXED$ + "|" + IPV6ADDRESS$ + "|" + IPVFUTURE$) + "\\]"),
+        //RFC 6874
+    REG_NAME$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$)) + "*"),
+        HOST$ = subexp(IP_LITERAL$ + "|" + IPV4ADDRESS$ + "(?!" + REG_NAME$ + ")" + "|" + REG_NAME$),
+        PORT$ = subexp(DIGIT$$ + "*"),
+        AUTHORITY$ = subexp(subexp(USERINFO$ + "@") + "?" + HOST$ + subexp("\\:" + PORT$) + "?"),
+        PCHAR$ = subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@]")),
+        SEGMENT$ = subexp(PCHAR$ + "*"),
+        SEGMENT_NZ$ = subexp(PCHAR$ + "+"),
+        SEGMENT_NZ_NC$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\@]")) + "+"),
+        PATH_ABEMPTY$ = subexp(subexp("\\/" + SEGMENT$) + "*"),
+        PATH_ABSOLUTE$ = subexp("\\/" + subexp(SEGMENT_NZ$ + PATH_ABEMPTY$) + "?"),
+        //simplified
+    PATH_NOSCHEME$ = subexp(SEGMENT_NZ_NC$ + PATH_ABEMPTY$),
+        //simplified
+    PATH_ROOTLESS$ = subexp(SEGMENT_NZ$ + PATH_ABEMPTY$),
+        //simplified
+    PATH_EMPTY$ = "(?!" + PCHAR$ + ")",
+        PATH$ = subexp(PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$),
+        QUERY$ = subexp(subexp(PCHAR$ + "|" + merge("[\\/\\?]", IPRIVATE$$)) + "*"),
+        FRAGMENT$ = subexp(subexp(PCHAR$ + "|[\\/\\?]") + "*"),
+        HIER_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$),
+        URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"),
+        RELATIVE_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$),
+        RELATIVE$ = subexp(RELATIVE_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"),
+        URI_REFERENCE$ = subexp(URI$ + "|" + RELATIVE$),
+        ABSOLUTE_URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?"),
+        GENERIC_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$",
+        RELATIVE_REF$ = "^(){0}" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$",
+        ABSOLUTE_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?$",
+        SAMEDOC_REF$ = "^" + subexp("\\#(" + FRAGMENT$ + ")") + "?$",
+        AUTHORITY_REF$ = "^" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?$";
+    return {
+        NOT_SCHEME: new RegExp(merge("[^]", ALPHA$$, DIGIT$$, "[\\+\\-\\.]"), "g"),
+        NOT_USERINFO: new RegExp(merge("[^\\%\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        NOT_HOST: new RegExp(merge("[^\\%\\[\\]\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        NOT_PATH: new RegExp(merge("[^\\%\\/\\:\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        NOT_PATH_NOSCHEME: new RegExp(merge("[^\\%\\/\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        NOT_QUERY: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]", IPRIVATE$$), "g"),
+        NOT_FRAGMENT: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]"), "g"),
+        ESCAPE: new RegExp(merge("[^]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        UNRESERVED: new RegExp(UNRESERVED$$, "g"),
+        OTHER_CHARS: new RegExp(merge("[^\\%]", UNRESERVED$$, RESERVED$$), "g"),
+        PCT_ENCODED: new RegExp(PCT_ENCODED$, "g"),
+        IPV4ADDRESS: new RegExp("^(" + IPV4ADDRESS$ + ")$"),
+        IPV6ADDRESS: new RegExp("^\\[?(" + IPV6ADDRESS$ + ")" + subexp(subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + "(" + ZONEID$ + ")") + "?\\]?$") //RFC 6874, with relaxed parsing rules
+    };
+}
+var URI_PROTOCOL = buildExps(false);
+
+var IRI_PROTOCOL = buildExps(true);
+
+var slicedToArray = function () {
+  function sliceIterator(arr, i) {
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"]) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+
+    return _arr;
+  }
+
+  return function (arr, i) {
+    if (Array.isArray(arr)) {
+      return arr;
+    } else if (Symbol.iterator in Object(arr)) {
+      return sliceIterator(arr, i);
+    } else {
+      throw new TypeError("Invalid attempt to destructure non-iterable instance");
+    }
+  };
+}();
+
+
+
+
+
+
+
+
+
+
+
+
+
+var toConsumableArray = function (arr) {
+  if (Array.isArray(arr)) {
+    for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+
+    return arr2;
+  } else {
+    return Array.from(arr);
+  }
+};
+
+/** Highest positive signed 32-bit float value */
+
+var maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1
+
+/** Bootstring parameters */
+var base = 36;
+var tMin = 1;
+var tMax = 26;
+var skew = 38;
+var damp = 700;
+var initialBias = 72;
+var initialN = 128; // 0x80
+var delimiter = '-'; // '\x2D'
+
+/** Regular expressions */
+var regexPunycode = /^xn--/;
+var regexNonASCII = /[^\0-\x7E]/; // non-ASCII chars
+var regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators
+
+/** Error messages */
+var errors = {
+	'overflow': 'Overflow: input needs wider integers to process',
+	'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
+	'invalid-input': 'Invalid input'
+};
+
+/** Convenience shortcuts */
+var baseMinusTMin = base - tMin;
+var floor = Math.floor;
+var stringFromCharCode = String.fromCharCode;
+
+/*--------------------------------------------------------------------------*/
+
+/**
+ * A generic error utility function.
+ * @private
+ * @param {String} type The error type.
+ * @returns {Error} Throws a `RangeError` with the applicable error message.
+ */
+function error$1(type) {
+	throw new RangeError(errors[type]);
+}
+
+/**
+ * A generic `Array#map` utility function.
+ * @private
+ * @param {Array} array The array to iterate over.
+ * @param {Function} callback The function that gets called for every array
+ * item.
+ * @returns {Array} A new array of values returned by the callback function.
+ */
+function map(array, fn) {
+	var result = [];
+	var length = array.length;
+	while (length--) {
+		result[length] = fn(array[length]);
+	}
+	return result;
+}
+
+/**
+ * A simple `Array#map`-like wrapper to work with domain name strings or email
+ * addresses.
+ * @private
+ * @param {String} domain The domain name or email address.
+ * @param {Function} callback The function that gets called for every
+ * character.
+ * @returns {Array} A new string of characters returned by the callback
+ * function.
+ */
+function mapDomain(string, fn) {
+	var parts = string.split('@');
+	var result = '';
+	if (parts.length > 1) {
+		// In email addresses, only the domain name should be punycoded. Leave
+		// the local part (i.e. everything up to `@`) intact.
+		result = parts[0] + '@';
+		string = parts[1];
+	}
+	// Avoid `split(regex)` for IE8 compatibility. See #17.
+	string = string.replace(regexSeparators, '\x2E');
+	var labels = string.split('.');
+	var encoded = map(labels, fn).join('.');
+	return result + encoded;
+}
+
+/**
+ * Creates an array containing the numeric code points of each Unicode
+ * character in the string. While JavaScript uses UCS-2 internally,
+ * this function will convert a pair of surrogate halves (each of which
+ * UCS-2 exposes as separate characters) into a single code point,
+ * matching UTF-16.
+ * @see `punycode.ucs2.encode`
+ * @see <https://mathiasbynens.be/notes/javascript-encoding>
+ * @memberOf punycode.ucs2
+ * @name decode
+ * @param {String} string The Unicode input string (UCS-2).
+ * @returns {Array} The new array of code points.
+ */
+function ucs2decode(string) {
+	var output = [];
+	var counter = 0;
+	var length = string.length;
+	while (counter < length) {
+		var value = string.charCodeAt(counter++);
+		if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+			// It's a high surrogate, and there is a next character.
+			var extra = string.charCodeAt(counter++);
+			if ((extra & 0xFC00) == 0xDC00) {
+				// Low surrogate.
+				output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+			} else {
+				// It's an unmatched surrogate; only append this code unit, in case the
+				// next code unit is the high surrogate of a surrogate pair.
+				output.push(value);
+				counter--;
+			}
+		} else {
+			output.push(value);
+		}
+	}
+	return output;
+}
+
+/**
+ * Creates a string based on an array of numeric code points.
+ * @see `punycode.ucs2.decode`
+ * @memberOf punycode.ucs2
+ * @name encode
+ * @param {Array} codePoints The array of numeric code points.
+ * @returns {String} The new Unicode string (UCS-2).
+ */
+var ucs2encode = function ucs2encode(array) {
+	return String.fromCodePoint.apply(String, toConsumableArray(array));
+};
+
+/**
+ * Converts a basic code point into a digit/integer.
+ * @see `digitToBasic()`
+ * @private
+ * @param {Number} codePoint The basic numeric code point value.
+ * @returns {Number} The numeric value of a basic code point (for use in
+ * representing integers) in the range `0` to `base - 1`, or `base` if
+ * the code point does not represent a value.
+ */
+var basicToDigit = function basicToDigit(codePoint) {
+	if (codePoint - 0x30 < 0x0A) {
+		return codePoint - 0x16;
+	}
+	if (codePoint - 0x41 < 0x1A) {
+		return codePoint - 0x41;
+	}
+	if (codePoint - 0x61 < 0x1A) {
+		return codePoint - 0x61;
+	}
+	return base;
+};
+
+/**
+ * Converts a digit/integer into a basic code point.
+ * @see `basicToDigit()`
+ * @private
+ * @param {Number} digit The numeric value of a basic code point.
+ * @returns {Number} The basic code point whose value (when used for
+ * representing integers) is `digit`, which needs to be in the range
+ * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
+ * used; else, the lowercase form is used. The behavior is undefined
+ * if `flag` is non-zero and `digit` has no uppercase form.
+ */
+var digitToBasic = function digitToBasic(digit, flag) {
+	//  0..25 map to ASCII a..z or A..Z
+	// 26..35 map to ASCII 0..9
+	return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
+};
+
+/**
+ * Bias adaptation function as per section 3.4 of RFC 3492.
+ * https://tools.ietf.org/html/rfc3492#section-3.4
+ * @private
+ */
+var adapt = function adapt(delta, numPoints, firstTime) {
+	var k = 0;
+	delta = firstTime ? floor(delta / damp) : delta >> 1;
+	delta += floor(delta / numPoints);
+	for (; /* no initialization */delta > baseMinusTMin * tMax >> 1; k += base) {
+		delta = floor(delta / baseMinusTMin);
+	}
+	return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+};
+
+/**
+ * Converts a Punycode string of ASCII-only symbols to a string of Unicode
+ * symbols.
+ * @memberOf punycode
+ * @param {String} input The Punycode string of ASCII-only symbols.
+ * @returns {String} The resulting string of Unicode symbols.
+ */
+var decode = function decode(input) {
+	// Don't use UCS-2.
+	var output = [];
+	var inputLength = input.length;
+	var i = 0;
+	var n = initialN;
+	var bias = initialBias;
+
+	// Handle the basic code points: let `basic` be the number of input code
+	// points before the last delimiter, or `0` if there is none, then copy
+	// the first basic code points to the output.
+
+	var basic = input.lastIndexOf(delimiter);
+	if (basic < 0) {
+		basic = 0;
+	}
+
+	for (var j = 0; j < basic; ++j) {
+		// if it's not a basic code point
+		if (input.charCodeAt(j) >= 0x80) {
+			error$1('not-basic');
+		}
+		output.push(input.charCodeAt(j));
+	}
+
+	// Main decoding loop: start just after the last delimiter if any basic code
+	// points were copied; start at the beginning otherwise.
+
+	for (var index = basic > 0 ? basic + 1 : 0; index < inputLength;) /* no final expression */{
+
+		// `index` is the index of the next character to be consumed.
+		// Decode a generalized variable-length integer into `delta`,
+		// which gets added to `i`. The overflow checking is easier
+		// if we increase `i` as we go, then subtract off its starting
+		// value at the end to obtain `delta`.
+		var oldi = i;
+		for (var w = 1, k = base;; /* no condition */k += base) {
+
+			if (index >= inputLength) {
+				error$1('invalid-input');
+			}
+
+			var digit = basicToDigit(input.charCodeAt(index++));
+
+			if (digit >= base || digit > floor((maxInt - i) / w)) {
+				error$1('overflow');
+			}
+
+			i += digit * w;
+			var t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
+
+			if (digit < t) {
+				break;
+			}
+
+			var baseMinusT = base - t;
+			if (w > floor(maxInt / baseMinusT)) {
+				error$1('overflow');
+			}
+
+			w *= baseMinusT;
+		}
+
+		var out = output.length + 1;
+		bias = adapt(i - oldi, out, oldi == 0);
+
+		// `i` was supposed to wrap around from `out` to `0`,
+		// incrementing `n` each time, so we'll fix that now:
+		if (floor(i / out) > maxInt - n) {
+			error$1('overflow');
+		}
+
+		n += floor(i / out);
+		i %= out;
+
+		// Insert `n` at position `i` of the output.
+		output.splice(i++, 0, n);
+	}
+
+	return String.fromCodePoint.apply(String, output);
+};
+
+/**
+ * Converts a string of Unicode symbols (e.g. a domain name label) to a
+ * Punycode string of ASCII-only symbols.
+ * @memberOf punycode
+ * @param {String} input The string of Unicode symbols.
+ * @returns {String} The resulting Punycode string of ASCII-only symbols.
+ */
+var encode = function encode(input) {
+	var output = [];
+
+	// Convert the input in UCS-2 to an array of Unicode code points.
+	input = ucs2decode(input);
+
+	// Cache the length.
+	var inputLength = input.length;
+
+	// Initialize the state.
+	var n = initialN;
+	var delta = 0;
+	var bias = initialBias;
+
+	// Handle the basic code points.
+	var _iteratorNormalCompletion = true;
+	var _didIteratorError = false;
+	var _iteratorError = undefined;
+
+	try {
+		for (var _iterator = input[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+			var _currentValue2 = _step.value;
+
+			if (_currentValue2 < 0x80) {
+				output.push(stringFromCharCode(_currentValue2));
+			}
+		}
+	} catch (err) {
+		_didIteratorError = true;
+		_iteratorError = err;
+	} finally {
+		try {
+			if (!_iteratorNormalCompletion && _iterator.return) {
+				_iterator.return();
+			}
+		} finally {
+			if (_didIteratorError) {
+				throw _iteratorError;
+			}
+		}
+	}
+
+	var basicLength = output.length;
+	var handledCPCount = basicLength;
+
+	// `handledCPCount` is the number of code points that have been handled;
+	// `basicLength` is the number of basic code points.
+
+	// Finish the basic string with a delimiter unless it's empty.
+	if (basicLength) {
+		output.push(delimiter);
+	}
+
+	// Main encoding loop:
+	while (handledCPCount < inputLength) {
+
+		// All non-basic code points < n have been handled already. Find the next
+		// larger one:
+		var m = maxInt;
+		var _iteratorNormalCompletion2 = true;
+		var _didIteratorError2 = false;
+		var _iteratorError2 = undefined;
+
+		try {
+			for (var _iterator2 = input[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
+				var currentValue = _step2.value;
+
+				if (currentValue >= n && currentValue < m) {
+					m = currentValue;
+				}
+			}
+
+			// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
+			// but guard against overflow.
+		} catch (err) {
+			_didIteratorError2 = true;
+			_iteratorError2 = err;
+		} finally {
+			try {
+				if (!_iteratorNormalCompletion2 && _iterator2.return) {
+					_iterator2.return();
+				}
+			} finally {
+				if (_didIteratorError2) {
+					throw _iteratorError2;
+				}
+			}
+		}
+
+		var handledCPCountPlusOne = handledCPCount + 1;
+		if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+			error$1('overflow');
+		}
+
+		delta += (m - n) * handledCPCountPlusOne;
+		n = m;
+
+		var _iteratorNormalCompletion3 = true;
+		var _didIteratorError3 = false;
+		var _iteratorError3 = undefined;
+
+		try {
+			for (var _iterator3 = input[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
+				var _currentValue = _step3.value;
+
+				if (_currentValue < n && ++delta > maxInt) {
+					error$1('overflow');
+				}
+				if (_currentValue == n) {
+					// Represent delta as a generalized variable-length integer.
+					var q = delta;
+					for (var k = base;; /* no condition */k += base) {
+						var t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
+						if (q < t) {
+							break;
+						}
+						var qMinusT = q - t;
+						var baseMinusT = base - t;
+						output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)));
+						q = floor(qMinusT / baseMinusT);
+					}
+
+					output.push(stringFromCharCode(digitToBasic(q, 0)));
+					bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
+					delta = 0;
+					++handledCPCount;
+				}
+			}
+		} catch (err) {
+			_didIteratorError3 = true;
+			_iteratorError3 = err;
+		} finally {
+			try {
+				if (!_iteratorNormalCompletion3 && _iterator3.return) {
+					_iterator3.return();
+				}
+			} finally {
+				if (_didIteratorError3) {
+					throw _iteratorError3;
+				}
+			}
+		}
+
+		++delta;
+		++n;
+	}
+	return output.join('');
+};
+
+/**
+ * Converts a Punycode string representing a domain name or an email address
+ * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
+ * it doesn't matter if you call it on a string that has already been
+ * converted to Unicode.
+ * @memberOf punycode
+ * @param {String} input The Punycoded domain name or email address to
+ * convert to Unicode.
+ * @returns {String} The Unicode representation of the given Punycode
+ * string.
+ */
+var toUnicode = function toUnicode(input) {
+	return mapDomain(input, function (string) {
+		return regexPunycode.test(string) ? decode(string.slice(4).toLowerCase()) : string;
+	});
+};
+
+/**
+ * Converts a Unicode string representing a domain name or an email address to
+ * Punycode. Only the non-ASCII parts of the domain name will be converted,
+ * i.e. it doesn't matter if you call it with a domain that's already in
+ * ASCII.
+ * @memberOf punycode
+ * @param {String} input The domain name or email address to convert, as a
+ * Unicode string.
+ * @returns {String} The Punycode representation of the given domain name or
+ * email address.
+ */
+var toASCII = function toASCII(input) {
+	return mapDomain(input, function (string) {
+		return regexNonASCII.test(string) ? 'xn--' + encode(string) : string;
+	});
+};
+
+/*--------------------------------------------------------------------------*/
+
+/** Define the public API */
+var punycode = {
+	/**
+  * A string representing the current Punycode.js version number.
+  * @memberOf punycode
+  * @type String
+  */
+	'version': '2.1.0',
+	/**
+  * An object of methods to convert from JavaScript's internal character
+  * representation (UCS-2) to Unicode code points, and back.
+  * @see <https://mathiasbynens.be/notes/javascript-encoding>
+  * @memberOf punycode
+  * @type Object
+  */
+	'ucs2': {
+		'decode': ucs2decode,
+		'encode': ucs2encode
+	},
+	'decode': decode,
+	'encode': encode,
+	'toASCII': toASCII,
+	'toUnicode': toUnicode
+};
+
+/**
+ * URI.js
+ *
+ * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript.
+ * @author <a href="mailto:gary.court@gmail.com">Gary Court</a>
+ * @see http://github.com/garycourt/uri-js
+ */
+/**
+ * Copyright 2011 Gary Court. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of Gary Court.
+ */
+var SCHEMES = {};
+function pctEncChar(chr) {
+    var c = chr.charCodeAt(0);
+    var e = void 0;
+    if (c < 16) e = "%0" + c.toString(16).toUpperCase();else if (c < 128) e = "%" + c.toString(16).toUpperCase();else if (c < 2048) e = "%" + (c >> 6 | 192).toString(16).toUpperCase() + "%" + (c & 63 | 128).toString(16).toUpperCase();else e = "%" + (c >> 12 | 224).toString(16).toUpperCase() + "%" + (c >> 6 & 63 | 128).toString(16).toUpperCase() + "%" + (c & 63 | 128).toString(16).toUpperCase();
+    return e;
+}
+function pctDecChars(str) {
+    var newStr = "";
+    var i = 0;
+    var il = str.length;
+    while (i < il) {
+        var c = parseInt(str.substr(i + 1, 2), 16);
+        if (c < 128) {
+            newStr += String.fromCharCode(c);
+            i += 3;
+        } else if (c >= 194 && c < 224) {
+            if (il - i >= 6) {
+                var c2 = parseInt(str.substr(i + 4, 2), 16);
+                newStr += String.fromCharCode((c & 31) << 6 | c2 & 63);
+            } else {
+                newStr += str.substr(i, 6);
+            }
+            i += 6;
+        } else if (c >= 224) {
+            if (il - i >= 9) {
+                var _c = parseInt(str.substr(i + 4, 2), 16);
+                var c3 = parseInt(str.substr(i + 7, 2), 16);
+                newStr += String.fromCharCode((c & 15) << 12 | (_c & 63) << 6 | c3 & 63);
+            } else {
+                newStr += str.substr(i, 9);
+            }
+            i += 9;
+        } else {
+            newStr += str.substr(i, 3);
+            i += 3;
+        }
+    }
+    return newStr;
+}
+function _normalizeComponentEncoding(components, protocol) {
+    function decodeUnreserved(str) {
+        var decStr = pctDecChars(str);
+        return !decStr.match(protocol.UNRESERVED) ? str : decStr;
+    }
+    if (components.scheme) components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, "");
+    if (components.userinfo !== undefined) components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.host !== undefined) components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.path !== undefined) components.path = String(components.path).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(components.scheme ? protocol.NOT_PATH : protocol.NOT_PATH_NOSCHEME, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.query !== undefined) components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.fragment !== undefined) components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    return components;
+}
+
+function _stripLeadingZeros(str) {
+    return str.replace(/^0*(.*)/, "$1") || "0";
+}
+function _normalizeIPv4(host, protocol) {
+    var matches = host.match(protocol.IPV4ADDRESS) || [];
+
+    var _matches = slicedToArray(matches, 2),
+        address = _matches[1];
+
+    if (address) {
+        return address.split(".").map(_stripLeadingZeros).join(".");
+    } else {
+        return host;
+    }
+}
+function _normalizeIPv6(host, protocol) {
+    var matches = host.match(protocol.IPV6ADDRESS) || [];
+
+    var _matches2 = slicedToArray(matches, 3),
+        address = _matches2[1],
+        zone = _matches2[2];
+
+    if (address) {
+        var _address$toLowerCase$ = address.toLowerCase().split('::').reverse(),
+            _address$toLowerCase$2 = slicedToArray(_address$toLowerCase$, 2),
+            last = _address$toLowerCase$2[0],
+            first = _address$toLowerCase$2[1];
+
+        var firstFields = first ? first.split(":").map(_stripLeadingZeros) : [];
+        var lastFields = last.split(":").map(_stripLeadingZeros);
+        var isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]);
+        var fieldCount = isLastFieldIPv4Address ? 7 : 8;
+        var lastFieldsStart = lastFields.length - fieldCount;
+        var fields = Array(fieldCount);
+        for (var x = 0; x < fieldCount; ++x) {
+            fields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || '';
+        }
+        if (isLastFieldIPv4Address) {
+            fields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol);
+        }
+        var allZeroFields = fields.reduce(function (acc, field, index) {
+            if (!field || field === "0") {
+                var lastLongest = acc[acc.length - 1];
+                if (lastLongest && lastLongest.index + lastLongest.length === index) {
+                    lastLongest.length++;
+                } else {
+                    acc.push({ index: index, length: 1 });
+                }
+            }
+            return acc;
+        }, []);
+        var longestZeroFields = allZeroFields.sort(function (a, b) {
+            return b.length - a.length;
+        })[0];
+        var newHost = void 0;
+        if (longestZeroFields && longestZeroFields.length > 1) {
+            var newFirst = fields.slice(0, longestZeroFields.index);
+            var newLast = fields.slice(longestZeroFields.index + longestZeroFields.length);
+            newHost = newFirst.join(":") + "::" + newLast.join(":");
+        } else {
+            newHost = fields.join(":");
+        }
+        if (zone) {
+            newHost += "%" + zone;
+        }
+        return newHost;
+    } else {
+        return host;
+    }
+}
+var URI_PARSE = /^(?:([^:\/?#]+):)?(?:\/\/((?:([^\/?#@]*)@)?(\[[^\/?#\]]+\]|[^\/?#:]*)(?:\:(\d*))?))?([^?#]*)(?:\?([^#]*))?(?:#((?:.|\n|\r)*))?/i;
+var NO_MATCH_IS_UNDEFINED = "".match(/(){0}/)[1] === undefined;
+function parse(uriString) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+    var components = {};
+    var protocol = options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL;
+    if (options.reference === "suffix") uriString = (options.scheme ? options.scheme + ":" : "") + "//" + uriString;
+    var matches = uriString.match(URI_PARSE);
+    if (matches) {
+        if (NO_MATCH_IS_UNDEFINED) {
+            //store each component
+            components.scheme = matches[1];
+            components.userinfo = matches[3];
+            components.host = matches[4];
+            components.port = parseInt(matches[5], 10);
+            components.path = matches[6] || "";
+            components.query = matches[7];
+            components.fragment = matches[8];
+            //fix port number
+            if (isNaN(components.port)) {
+                components.port = matches[5];
+            }
+        } else {
+            //IE FIX for improper RegExp matching
+            //store each component
+            components.scheme = matches[1] || undefined;
+            components.userinfo = uriString.indexOf("@") !== -1 ? matches[3] : undefined;
+            components.host = uriString.indexOf("//") !== -1 ? matches[4] : undefined;
+            components.port = parseInt(matches[5], 10);
+            components.path = matches[6] || "";
+            components.query = uriString.indexOf("?") !== -1 ? matches[7] : undefined;
+            components.fragment = uriString.indexOf("#") !== -1 ? matches[8] : undefined;
+            //fix port number
+            if (isNaN(components.port)) {
+                components.port = uriString.match(/\/\/(?:.|\n)*\:(?:\/|\?|\#|$)/) ? matches[4] : undefined;
+            }
+        }
+        if (components.host) {
+            //normalize IP hosts
+            components.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol);
+        }
+        //determine reference type
+        if (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) {
+            components.reference = "same-document";
+        } else if (components.scheme === undefined) {
+            components.reference = "relative";
+        } else if (components.fragment === undefined) {
+            components.reference = "absolute";
+        } else {
+            components.reference = "uri";
+        }
+        //check for reference errors
+        if (options.reference && options.reference !== "suffix" && options.reference !== components.reference) {
+            components.error = components.error || "URI is not a " + options.reference + " reference.";
+        }
+        //find scheme handler
+        var schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()];
+        //check if scheme can't handle IRIs
+        if (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) {
+            //if host component is a domain name
+            if (components.host && (options.domainHost || schemeHandler && schemeHandler.domainHost)) {
+                //convert Unicode IDN -> ASCII IDN
+                try {
+                    components.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase());
+                } catch (e) {
+                    components.error = components.error || "Host's domain name can not be converted to ASCII via punycode: " + e;
+                }
+            }
+            //convert IRI -> URI
+            _normalizeComponentEncoding(components, URI_PROTOCOL);
+        } else {
+            //normalize encodings
+            _normalizeComponentEncoding(components, protocol);
+        }
+        //perform scheme specific parsing
+        if (schemeHandler && schemeHandler.parse) {
+            schemeHandler.parse(components, options);
+        }
+    } else {
+        components.error = components.error || "URI can not be parsed.";
+    }
+    return components;
+}
+
+function _recomposeAuthority(components, options) {
+    var protocol = options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL;
+    var uriTokens = [];
+    if (components.userinfo !== undefined) {
+        uriTokens.push(components.userinfo);
+        uriTokens.push("@");
+    }
+    if (components.host !== undefined) {
+        //normalize IP hosts, add brackets and escape zone separator for IPv6
+        uriTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, function (_, $1, $2) {
+            return "[" + $1 + ($2 ? "%25" + $2 : "") + "]";
+        }));
+    }
+    if (typeof components.port === "number" || typeof components.port === "string") {
+        uriTokens.push(":");
+        uriTokens.push(String(components.port));
+    }
+    return uriTokens.length ? uriTokens.join("") : undefined;
+}
+
+var RDS1 = /^\.\.?\//;
+var RDS2 = /^\/\.(\/|$)/;
+var RDS3 = /^\/\.\.(\/|$)/;
+var RDS5 = /^\/?(?:.|\n)*?(?=\/|$)/;
+function removeDotSegments(input) {
+    var output = [];
+    while (input.length) {
+        if (input.match(RDS1)) {
+            input = input.replace(RDS1, "");
+        } else if (input.match(RDS2)) {
+            input = input.replace(RDS2, "/");
+        } else if (input.match(RDS3)) {
+            input = input.replace(RDS3, "/");
+            output.pop();
+        } else if (input === "." || input === "..") {
+            input = "";
+        } else {
+            var im = input.match(RDS5);
+            if (im) {
+                var s = im[0];
+                input = input.slice(s.length);
+                output.push(s);
+            } else {
+                throw new Error("Unexpected dot segment condition");
+            }
+        }
+    }
+    return output.join("");
+}
+
+function serialize(components) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+    var protocol = options.iri ? IRI_PROTOCOL : URI_PROTOCOL;
+    var uriTokens = [];
+    //find scheme handler
+    var schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()];
+    //perform scheme specific serialization
+    if (schemeHandler && schemeHandler.serialize) schemeHandler.serialize(components, options);
+    if (components.host) {
+        //if host component is an IPv6 address
+        if (protocol.IPV6ADDRESS.test(components.host)) {}
+        //TODO: normalize IPv6 address as per RFC 5952
+
+        //if host component is a domain name
+        else if (options.domainHost || schemeHandler && schemeHandler.domainHost) {
+                //convert IDN via punycode
+                try {
+                    components.host = !options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host);
+                } catch (e) {
+                    components.error = components.error || "Host's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e;
+                }
+            }
+    }
+    //normalize encoding
+    _normalizeComponentEncoding(components, protocol);
+    if (options.reference !== "suffix" && components.scheme) {
+        uriTokens.push(components.scheme);
+        uriTokens.push(":");
+    }
+    var authority = _recomposeAuthority(components, options);
+    if (authority !== undefined) {
+        if (options.reference !== "suffix") {
+            uriTokens.push("//");
+        }
+        uriTokens.push(authority);
+        if (components.path && components.path.charAt(0) !== "/") {
+            uriTokens.push("/");
+        }
+    }
+    if (components.path !== undefined) {
+        var s = components.path;
+        if (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) {
+            s = removeDotSegments(s);
+        }
+        if (authority === undefined) {
+            s = s.replace(/^\/\//, "/%2F"); //don't allow the path to start with "//"
+        }
+        uriTokens.push(s);
+    }
+    if (components.query !== undefined) {
+        uriTokens.push("?");
+        uriTokens.push(components.query);
+    }
+    if (components.fragment !== undefined) {
+        uriTokens.push("#");
+        uriTokens.push(components.fragment);
+    }
+    return uriTokens.join(""); //merge tokens into a string
+}
+
+function resolveComponents(base, relative) {
+    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+    var skipNormalization = arguments[3];
+
+    var target = {};
+    if (!skipNormalization) {
+        base = parse(serialize(base, options), options); //normalize base components
+        relative = parse(serialize(relative, options), options); //normalize relative components
+    }
+    options = options || {};
+    if (!options.tolerant && relative.scheme) {
+        target.scheme = relative.scheme;
+        //target.authority = relative.authority;
+        target.userinfo = relative.userinfo;
+        target.host = relative.host;
+        target.port = relative.port;
+        target.path = removeDotSegments(relative.path || "");
+        target.query = relative.query;
+    } else {
+        if (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) {
+            //target.authority = relative.authority;
+            target.userinfo = relative.userinfo;
+            target.host = relative.host;
+            target.port = relative.port;
+            target.path = removeDotSegments(relative.path || "");
+            target.query = relative.query;
+        } else {
+            if (!relative.path) {
+                target.path = base.path;
+                if (relative.query !== undefined) {
+                    target.query = relative.query;
+                } else {
+                    target.query = base.query;
+                }
+            } else {
+                if (relative.path.charAt(0) === "/") {
+                    target.path = removeDotSegments(relative.path);
+                } else {
+                    if ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) {
+                        target.path = "/" + relative.path;
+                    } else if (!base.path) {
+                        target.path = relative.path;
+                    } else {
+                        target.path = base.path.slice(0, base.path.lastIndexOf("/") + 1) + relative.path;
+                    }
+                    target.path = removeDotSegments(target.path);
+                }
+                target.query = relative.query;
+            }
+            //target.authority = base.authority;
+            target.userinfo = base.userinfo;
+            target.host = base.host;
+            target.port = base.port;
+        }
+        target.scheme = base.scheme;
+    }
+    target.fragment = relative.fragment;
+    return target;
+}
+
+function resolve(baseURI, relativeURI, options) {
+    var schemelessOptions = assign({ scheme: 'null' }, options);
+    return serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions);
+}
+
+function normalize(uri, options) {
+    if (typeof uri === "string") {
+        uri = serialize(parse(uri, options), options);
+    } else if (typeOf(uri) === "object") {
+        uri = parse(serialize(uri, options), options);
+    }
+    return uri;
+}
+
+function equal(uriA, uriB, options) {
+    if (typeof uriA === "string") {
+        uriA = serialize(parse(uriA, options), options);
+    } else if (typeOf(uriA) === "object") {
+        uriA = serialize(uriA, options);
+    }
+    if (typeof uriB === "string") {
+        uriB = serialize(parse(uriB, options), options);
+    } else if (typeOf(uriB) === "object") {
+        uriB = serialize(uriB, options);
+    }
+    return uriA === uriB;
+}
+
+function escapeComponent(str, options) {
+    return str && str.toString().replace(!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE, pctEncChar);
+}
+
+function unescapeComponent(str, options) {
+    return str && str.toString().replace(!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED, pctDecChars);
+}
+
+var handler = {
+    scheme: "http",
+    domainHost: true,
+    parse: function parse(components, options) {
+        //report missing host
+        if (!components.host) {
+            components.error = components.error || "HTTP URIs must have a host.";
+        }
+        return components;
+    },
+    serialize: function serialize(components, options) {
+        var secure = String(components.scheme).toLowerCase() === "https";
+        //normalize the default port
+        if (components.port === (secure ? 443 : 80) || components.port === "") {
+            components.port = undefined;
+        }
+        //normalize the empty path
+        if (!components.path) {
+            components.path = "/";
+        }
+        //NOTE: We do not parse query strings for HTTP URIs
+        //as WWW Form Url Encoded query strings are part of the HTML4+ spec,
+        //and not the HTTP spec.
+        return components;
+    }
+};
+
+var handler$1 = {
+    scheme: "https",
+    domainHost: handler.domainHost,
+    parse: handler.parse,
+    serialize: handler.serialize
+};
+
+function isSecure(wsComponents) {
+    return typeof wsComponents.secure === 'boolean' ? wsComponents.secure : String(wsComponents.scheme).toLowerCase() === "wss";
+}
+//RFC 6455
+var handler$2 = {
+    scheme: "ws",
+    domainHost: true,
+    parse: function parse(components, options) {
+        var wsComponents = components;
+        //indicate if the secure flag is set
+        wsComponents.secure = isSecure(wsComponents);
+        //construct resouce name
+        wsComponents.resourceName = (wsComponents.path || '/') + (wsComponents.query ? '?' + wsComponents.query : '');
+        wsComponents.path = undefined;
+        wsComponents.query = undefined;
+        return wsComponents;
+    },
+    serialize: function serialize(wsComponents, options) {
+        //normalize the default port
+        if (wsComponents.port === (isSecure(wsComponents) ? 443 : 80) || wsComponents.port === "") {
+            wsComponents.port = undefined;
+        }
+        //ensure scheme matches secure flag
+        if (typeof wsComponents.secure === 'boolean') {
+            wsComponents.scheme = wsComponents.secure ? 'wss' : 'ws';
+            wsComponents.secure = undefined;
+        }
+        //reconstruct path from resource name
+        if (wsComponents.resourceName) {
+            var _wsComponents$resourc = wsComponents.resourceName.split('?'),
+                _wsComponents$resourc2 = slicedToArray(_wsComponents$resourc, 2),
+                path = _wsComponents$resourc2[0],
+                query = _wsComponents$resourc2[1];
+
+            wsComponents.path = path && path !== '/' ? path : undefined;
+            wsComponents.query = query;
+            wsComponents.resourceName = undefined;
+        }
+        //forbid fragment component
+        wsComponents.fragment = undefined;
+        return wsComponents;
+    }
+};
+
+var handler$3 = {
+    scheme: "wss",
+    domainHost: handler$2.domainHost,
+    parse: handler$2.parse,
+    serialize: handler$2.serialize
+};
+
+var O = {};
+var isIRI = true;
+//RFC 3986
+var UNRESERVED$$ = "[A-Za-z0-9\\-\\.\\_\\~" + (isIRI ? "\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF" : "") + "]";
+var HEXDIG$$ = "[0-9A-Fa-f]"; //case-insensitive
+var PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)); //expanded
+//RFC 5322, except these symbols as per RFC 6068: @ : / ? # [ ] & ; =
+//const ATEXT$$ = "[A-Za-z0-9\\!\\#\\$\\%\\&\\'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]";
+//const WSP$$ = "[\\x20\\x09]";
+//const OBS_QTEXT$$ = "[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x7F]";  //(%d1-8 / %d11-12 / %d14-31 / %d127)
+//const QTEXT$$ = merge("[\\x21\\x23-\\x5B\\x5D-\\x7E]", OBS_QTEXT$$);  //%d33 / %d35-91 / %d93-126 / obs-qtext
+//const VCHAR$$ = "[\\x21-\\x7E]";
+//const WSP$$ = "[\\x20\\x09]";
+//const OBS_QP$ = subexp("\\\\" + merge("[\\x00\\x0D\\x0A]", OBS_QTEXT$$));  //%d0 / CR / LF / obs-qtext
+//const FWS$ = subexp(subexp(WSP$$ + "*" + "\\x0D\\x0A") + "?" + WSP$$ + "+");
+//const QUOTED_PAIR$ = subexp(subexp("\\\\" + subexp(VCHAR$$ + "|" + WSP$$)) + "|" + OBS_QP$);
+//const QUOTED_STRING$ = subexp('\\"' + subexp(FWS$ + "?" + QCONTENT$) + "*" + FWS$ + "?" + '\\"');
+var ATEXT$$ = "[A-Za-z0-9\\!\\$\\%\\'\\*\\+\\-\\^\\_\\`\\{\\|\\}\\~]";
+var QTEXT$$ = "[\\!\\$\\%\\'\\(\\)\\*\\+\\,\\-\\.0-9\\<\\>A-Z\\x5E-\\x7E]";
+var VCHAR$$ = merge(QTEXT$$, "[\\\"\\\\]");
+var SOME_DELIMS$$ = "[\\!\\$\\'\\(\\)\\*\\+\\,\\;\\:\\@]";
+var UNRESERVED = new RegExp(UNRESERVED$$, "g");
+var PCT_ENCODED = new RegExp(PCT_ENCODED$, "g");
+var NOT_LOCAL_PART = new RegExp(merge("[^]", ATEXT$$, "[\\.]", '[\\"]', VCHAR$$), "g");
+var NOT_HFNAME = new RegExp(merge("[^]", UNRESERVED$$, SOME_DELIMS$$), "g");
+var NOT_HFVALUE = NOT_HFNAME;
+function decodeUnreserved(str) {
+    var decStr = pctDecChars(str);
+    return !decStr.match(UNRESERVED) ? str : decStr;
+}
+var handler$4 = {
+    scheme: "mailto",
+    parse: function parse$$1(components, options) {
+        var mailtoComponents = components;
+        var to = mailtoComponents.to = mailtoComponents.path ? mailtoComponents.path.split(",") : [];
+        mailtoComponents.path = undefined;
+        if (mailtoComponents.query) {
+            var unknownHeaders = false;
+            var headers = {};
+            var hfields = mailtoComponents.query.split("&");
+            for (var x = 0, xl = hfields.length; x < xl; ++x) {
+                var hfield = hfields[x].split("=");
+                switch (hfield[0]) {
+                    case "to":
+                        var toAddrs = hfield[1].split(",");
+                        for (var _x = 0, _xl = toAddrs.length; _x < _xl; ++_x) {
+                            to.push(toAddrs[_x]);
+                        }
+                        break;
+                    case "subject":
+                        mailtoComponents.subject = unescapeComponent(hfield[1], options);
+                        break;
+                    case "body":
+                        mailtoComponents.body = unescapeComponent(hfield[1], options);
+                        break;
+                    default:
+                        unknownHeaders = true;
+                        headers[unescapeComponent(hfield[0], options)] = unescapeComponent(hfield[1], options);
+                        break;
+                }
+            }
+            if (unknownHeaders) mailtoComponents.headers = headers;
+        }
+        mailtoComponents.query = undefined;
+        for (var _x2 = 0, _xl2 = to.length; _x2 < _xl2; ++_x2) {
+            var addr = to[_x2].split("@");
+            addr[0] = unescapeComponent(addr[0]);
+            if (!options.unicodeSupport) {
+                //convert Unicode IDN -> ASCII IDN
+                try {
+                    addr[1] = punycode.toASCII(unescapeComponent(addr[1], options).toLowerCase());
+                } catch (e) {
+                    mailtoComponents.error = mailtoComponents.error || "Email address's domain name can not be converted to ASCII via punycode: " + e;
+                }
+            } else {
+                addr[1] = unescapeComponent(addr[1], options).toLowerCase();
+            }
+            to[_x2] = addr.join("@");
+        }
+        return mailtoComponents;
+    },
+    serialize: function serialize$$1(mailtoComponents, options) {
+        var components = mailtoComponents;
+        var to = toArray(mailtoComponents.to);
+        if (to) {
+            for (var x = 0, xl = to.length; x < xl; ++x) {
+                var toAddr = String(to[x]);
+                var atIdx = toAddr.lastIndexOf("@");
+                var localPart = toAddr.slice(0, atIdx).replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_LOCAL_PART, pctEncChar);
+                var domain = toAddr.slice(atIdx + 1);
+                //convert IDN via punycode
+                try {
+                    domain = !options.iri ? punycode.toASCII(unescapeComponent(domain, options).toLowerCase()) : punycode.toUnicode(domain);
+                } catch (e) {
+                    components.error = components.error || "Email address's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e;
+                }
+                to[x] = localPart + "@" + domain;
+            }
+            components.path = to.join(",");
+        }
+        var headers = mailtoComponents.headers = mailtoComponents.headers || {};
+        if (mailtoComponents.subject) headers["subject"] = mailtoComponents.subject;
+        if (mailtoComponents.body) headers["body"] = mailtoComponents.body;
+        var fields = [];
+        for (var name in headers) {
+            if (headers[name] !== O[name]) {
+                fields.push(name.replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFNAME, pctEncChar) + "=" + headers[name].replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFVALUE, pctEncChar));
+            }
+        }
+        if (fields.length) {
+            components.query = fields.join("&");
+        }
+        return components;
+    }
+};
+
+var URN_PARSE = /^([^\:]+)\:(.*)/;
+//RFC 2141
+var handler$5 = {
+    scheme: "urn",
+    parse: function parse$$1(components, options) {
+        var matches = components.path && components.path.match(URN_PARSE);
+        var urnComponents = components;
+        if (matches) {
+            var scheme = options.scheme || urnComponents.scheme || "urn";
+            var nid = matches[1].toLowerCase();
+            var nss = matches[2];
+            var urnScheme = scheme + ":" + (options.nid || nid);
+            var schemeHandler = SCHEMES[urnScheme];
+            urnComponents.nid = nid;
+            urnComponents.nss = nss;
+            urnComponents.path = undefined;
+            if (schemeHandler) {
+                urnComponents = schemeHandler.parse(urnComponents, options);
+            }
+        } else {
+            urnComponents.error = urnComponents.error || "URN can not be parsed.";
+        }
+        return urnComponents;
+    },
+    serialize: function serialize$$1(urnComponents, options) {
+        var scheme = options.scheme || urnComponents.scheme || "urn";
+        var nid = urnComponents.nid;
+        var urnScheme = scheme + ":" + (options.nid || nid);
+        var schemeHandler = SCHEMES[urnScheme];
+        if (schemeHandler) {
+            urnComponents = schemeHandler.serialize(urnComponents, options);
+        }
+        var uriComponents = urnComponents;
+        var nss = urnComponents.nss;
+        uriComponents.path = (nid || options.nid) + ":" + nss;
+        return uriComponents;
+    }
+};
+
+var UUID = /^[0-9A-Fa-f]{8}(?:\-[0-9A-Fa-f]{4}){3}\-[0-9A-Fa-f]{12}$/;
+//RFC 4122
+var handler$6 = {
+    scheme: "urn:uuid",
+    parse: function parse(urnComponents, options) {
+        var uuidComponents = urnComponents;
+        uuidComponents.uuid = uuidComponents.nss;
+        uuidComponents.nss = undefined;
+        if (!options.tolerant && (!uuidComponents.uuid || !uuidComponents.uuid.match(UUID))) {
+            uuidComponents.error = uuidComponents.error || "UUID is not valid.";
+        }
+        return uuidComponents;
+    },
+    serialize: function serialize(uuidComponents, options) {
+        var urnComponents = uuidComponents;
+        //normalize UUID
+        urnComponents.nss = (uuidComponents.uuid || "").toLowerCase();
+        return urnComponents;
+    }
+};
+
+SCHEMES[handler.scheme] = handler;
+SCHEMES[handler$1.scheme] = handler$1;
+SCHEMES[handler$2.scheme] = handler$2;
+SCHEMES[handler$3.scheme] = handler$3;
+SCHEMES[handler$4.scheme] = handler$4;
+SCHEMES[handler$5.scheme] = handler$5;
+SCHEMES[handler$6.scheme] = handler$6;
+
+exports.SCHEMES = SCHEMES;
+exports.pctEncChar = pctEncChar;
+exports.pctDecChars = pctDecChars;
+exports.parse = parse;
+exports.removeDotSegments = removeDotSegments;
+exports.serialize = serialize;
+exports.resolveComponents = resolveComponents;
+exports.resolve = resolve;
+exports.normalize = normalize;
+exports.equal = equal;
+exports.escapeComponent = escapeComponent;
+exports.unescapeComponent = unescapeComponent;
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
+
+
+},{}],"ajv":[function(require,module,exports){
+'use strict';
+
+var compileSchema = require('./compile')
+  , resolve = require('./compile/resolve')
+  , Cache = require('./cache')
+  , SchemaObject = require('./compile/schema_obj')
+  , stableStringify = require('fast-json-stable-stringify')
+  , formats = require('./compile/formats')
+  , rules = require('./compile/rules')
+  , $dataMetaSchema = require('./data')
+  , util = require('./compile/util');
+
+module.exports = Ajv;
+
+Ajv.prototype.validate = validate;
+Ajv.prototype.compile = compile;
+Ajv.prototype.addSchema = addSchema;
+Ajv.prototype.addMetaSchema = addMetaSchema;
+Ajv.prototype.validateSchema = validateSchema;
+Ajv.prototype.getSchema = getSchema;
+Ajv.prototype.removeSchema = removeSchema;
+Ajv.prototype.addFormat = addFormat;
+Ajv.prototype.errorsText = errorsText;
+
+Ajv.prototype._addSchema = _addSchema;
+Ajv.prototype._compile = _compile;
+
+Ajv.prototype.compileAsync = require('./compile/async');
+var customKeyword = require('./keyword');
+Ajv.prototype.addKeyword = customKeyword.add;
+Ajv.prototype.getKeyword = customKeyword.get;
+Ajv.prototype.removeKeyword = customKeyword.remove;
+Ajv.prototype.validateKeyword = customKeyword.validate;
+
+var errorClasses = require('./compile/error_classes');
+Ajv.ValidationError = errorClasses.Validation;
+Ajv.MissingRefError = errorClasses.MissingRef;
+Ajv.$dataMetaSchema = $dataMetaSchema;
+
+var META_SCHEMA_ID = 'http://json-schema.org/draft-07/schema';
+
+var META_IGNORE_OPTIONS = [ 'removeAdditional', 'useDefaults', 'coerceTypes', 'strictDefaults' ];
+var META_SUPPORT_DATA = ['/properties'];
+
+/**
+ * Creates validator instance.
+ * Usage: `Ajv(opts)`
+ * @param {Object} opts optional options
+ * @return {Object} ajv instance
+ */
+function Ajv(opts) {
+  if (!(this instanceof Ajv)) return new Ajv(opts);
+  opts = this._opts = util.copy(opts) || {};
+  setLogger(this);
+  this._schemas = {};
+  this._refs = {};
+  this._fragments = {};
+  this._formats = formats(opts.format);
+
+  this._cache = opts.cache || new Cache;
+  this._loadingSchemas = {};
+  this._compilations = [];
+  this.RULES = rules();
+  this._getId = chooseGetId(opts);
+
+  opts.loopRequired = opts.loopRequired || Infinity;
+  if (opts.errorDataPath == 'property') opts._errorDataPathProperty = true;
+  if (opts.serialize === undefined) opts.serialize = stableStringify;
+  this._metaOpts = getMetaSchemaOptions(this);
+
+  if (opts.formats) addInitialFormats(this);
+  if (opts.keywords) addInitialKeywords(this);
+  addDefaultMetaSchema(this);
+  if (typeof opts.meta == 'object') this.addMetaSchema(opts.meta);
+  if (opts.nullable) this.addKeyword('nullable', {metaSchema: {type: 'boolean'}});
+  addInitialSchemas(this);
+}
+
+
+
+/**
+ * Validate data using schema
+ * Schema will be compiled and cached (using serialized JSON as key. [fast-json-stable-stringify](https://github.com/epoberezkin/fast-json-stable-stringify) is used to serialize.
+ * @this   Ajv
+ * @param  {String|Object} schemaKeyRef key, ref or schema object
+ * @param  {Any} data to be validated
+ * @return {Boolean} validation result. Errors from the last validation will be available in `ajv.errors` (and also in compiled schema: `schema.errors`).
+ */
+function validate(schemaKeyRef, data) {
+  var v;
+  if (typeof schemaKeyRef == 'string') {
+    v = this.getSchema(schemaKeyRef);
+    if (!v) throw new Error('no schema with key or ref "' + schemaKeyRef + '"');
+  } else {
+    var schemaObj = this._addSchema(schemaKeyRef);
+    v = schemaObj.validate || this._compile(schemaObj);
+  }
+
+  var valid = v(data);
+  if (v.$async !== true) this.errors = v.errors;
+  return valid;
+}
+
+
+/**
+ * Create validating function for passed schema.
+ * @this   Ajv
+ * @param  {Object} schema schema object
+ * @param  {Boolean} _meta true if schema is a meta-schema. Used internally to compile meta schemas of custom keywords.
+ * @return {Function} validating function
+ */
+function compile(schema, _meta) {
+  var schemaObj = this._addSchema(schema, undefined, _meta);
+  return schemaObj.validate || this._compile(schemaObj);
+}
+
+
+/**
+ * Adds schema to the instance.
+ * @this   Ajv
+ * @param {Object|Array} schema schema or array of schemas. If array is passed, `key` and other parameters will be ignored.
+ * @param {String} key Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.
+ * @param {Boolean} _skipValidation true to skip schema validation. Used internally, option validateSchema should be used instead.
+ * @param {Boolean} _meta true if schema is a meta-schema. Used internally, addMetaSchema should be used instead.
+ * @return {Ajv} this for method chaining
+ */
+function addSchema(schema, key, _skipValidation, _meta) {
+  if (Array.isArray(schema)){
+    for (var i=0; i<schema.length; i++) this.addSchema(schema[i], undefined, _skipValidation, _meta);
+    return this;
+  }
+  var id = this._getId(schema);
+  if (id !== undefined && typeof id != 'string')
+    throw new Error('schema id must be string');
+  key = resolve.normalizeId(key || id);
+  checkUnique(this, key);
+  this._schemas[key] = this._addSchema(schema, _skipValidation, _meta, true);
+  return this;
+}
+
+
+/**
+ * Add schema that will be used to validate other schemas
+ * options in META_IGNORE_OPTIONS are alway set to false
+ * @this   Ajv
+ * @param {Object} schema schema object
+ * @param {String} key optional schema key
+ * @param {Boolean} skipValidation true to skip schema validation, can be used to override validateSchema option for meta-schema
+ * @return {Ajv} this for method chaining
+ */
+function addMetaSchema(schema, key, skipValidation) {
+  this.addSchema(schema, key, skipValidation, true);
+  return this;
+}
+
+
+/**
+ * Validate schema
+ * @this   Ajv
+ * @param {Object} schema schema to validate
+ * @param {Boolean} throwOrLogError pass true to throw (or log) an error if invalid
+ * @return {Boolean} true if schema is valid
+ */
+function validateSchema(schema, throwOrLogError) {
+  var $schema = schema.$schema;
+  if ($schema !== undefined && typeof $schema != 'string')
+    throw new Error('$schema must be a string');
+  $schema = $schema || this._opts.defaultMeta || defaultMeta(this);
+  if (!$schema) {
+    this.logger.warn('meta-schema not available');
+    this.errors = null;
+    return true;
+  }
+  var valid = this.validate($schema, schema);
+  if (!valid && throwOrLogError) {
+    var message = 'schema is invalid: ' + this.errorsText();
+    if (this._opts.validateSchema == 'log') this.logger.error(message);
+    else throw new Error(message);
+  }
+  return valid;
+}
+
+
+function defaultMeta(self) {
+  var meta = self._opts.meta;
+  self._opts.defaultMeta = typeof meta == 'object'
+                            ? self._getId(meta) || meta
+                            : self.getSchema(META_SCHEMA_ID)
+                              ? META_SCHEMA_ID
+                              : undefined;
+  return self._opts.defaultMeta;
+}
+
+
+/**
+ * Get compiled schema from the instance by `key` or `ref`.
+ * @this   Ajv
+ * @param  {String} keyRef `key` that was passed to `addSchema` or full schema reference (`schema.id` or resolved id).
+ * @return {Function} schema validating function (with property `schema`).
+ */
+function getSchema(keyRef) {
+  var schemaObj = _getSchemaObj(this, keyRef);
+  switch (typeof schemaObj) {
+    case 'object': return schemaObj.validate || this._compile(schemaObj);
+    case 'string': return this.getSchema(schemaObj);
+    case 'undefined': return _getSchemaFragment(this, keyRef);
+  }
+}
+
+
+function _getSchemaFragment(self, ref) {
+  var res = resolve.schema.call(self, { schema: {} }, ref);
+  if (res) {
+    var schema = res.schema
+      , root = res.root
+      , baseId = res.baseId;
+    var v = compileSchema.call(self, schema, root, undefined, baseId);
+    self._fragments[ref] = new SchemaObject({
+      ref: ref,
+      fragment: true,
+      schema: schema,
+      root: root,
+      baseId: baseId,
+      validate: v
+    });
+    return v;
+  }
+}
+
+
+function _getSchemaObj(self, keyRef) {
+  keyRef = resolve.normalizeId(keyRef);
+  return self._schemas[keyRef] || self._refs[keyRef] || self._fragments[keyRef];
+}
+
+
+/**
+ * Remove cached schema(s).
+ * If no parameter is passed all schemas but meta-schemas are removed.
+ * If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
+ * Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
+ * @this   Ajv
+ * @param  {String|Object|RegExp} schemaKeyRef key, ref, pattern to match key/ref or schema object
+ * @return {Ajv} this for method chaining
+ */
+function removeSchema(schemaKeyRef) {
+  if (schemaKeyRef instanceof RegExp) {
+    _removeAllSchemas(this, this._schemas, schemaKeyRef);
+    _removeAllSchemas(this, this._refs, schemaKeyRef);
+    return this;
+  }
+  switch (typeof schemaKeyRef) {
+    case 'undefined':
+      _removeAllSchemas(this, this._schemas);
+      _removeAllSchemas(this, this._refs);
+      this._cache.clear();
+      return this;
+    case 'string':
+      var schemaObj = _getSchemaObj(this, schemaKeyRef);
+      if (schemaObj) this._cache.del(schemaObj.cacheKey);
+      delete this._schemas[schemaKeyRef];
+      delete this._refs[schemaKeyRef];
+      return this;
+    case 'object':
+      var serialize = this._opts.serialize;
+      var cacheKey = serialize ? serialize(schemaKeyRef) : schemaKeyRef;
+      this._cache.del(cacheKey);
+      var id = this._getId(schemaKeyRef);
+      if (id) {
+        id = resolve.normalizeId(id);
+        delete this._schemas[id];
+        delete this._refs[id];
+      }
+  }
+  return this;
+}
+
+
+function _removeAllSchemas(self, schemas, regex) {
+  for (var keyRef in schemas) {
+    var schemaObj = schemas[keyRef];
+    if (!schemaObj.meta && (!regex || regex.test(keyRef))) {
+      self._cache.del(schemaObj.cacheKey);
+      delete schemas[keyRef];
+    }
+  }
+}
+
+
+/* @this   Ajv */
+function _addSchema(schema, skipValidation, meta, shouldAddSchema) {
+  if (typeof schema != 'object' && typeof schema != 'boolean')
+    throw new Error('schema should be object or boolean');
+  var serialize = this._opts.serialize;
+  var cacheKey = serialize ? serialize(schema) : schema;
+  var cached = this._cache.get(cacheKey);
+  if (cached) return cached;
+
+  shouldAddSchema = shouldAddSchema || this._opts.addUsedSchema !== false;
+
+  var id = resolve.normalizeId(this._getId(schema));
+  if (id && shouldAddSchema) checkUnique(this, id);
+
+  var willValidate = this._opts.validateSchema !== false && !skipValidation;
+  var recursiveMeta;
+  if (willValidate && !(recursiveMeta = id && id == resolve.normalizeId(schema.$schema)))
+    this.validateSchema(schema, true);
+
+  var localRefs = resolve.ids.call(this, schema);
+
+  var schemaObj = new SchemaObject({
+    id: id,
+    schema: schema,
+    localRefs: localRefs,
+    cacheKey: cacheKey,
+    meta: meta
+  });
+
+  if (id[0] != '#' && shouldAddSchema) this._refs[id] = schemaObj;
+  this._cache.put(cacheKey, schemaObj);
+
+  if (willValidate && recursiveMeta) this.validateSchema(schema, true);
+
+  return schemaObj;
+}
+
+
+/* @this   Ajv */
+function _compile(schemaObj, root) {
+  if (schemaObj.compiling) {
+    schemaObj.validate = callValidate;
+    callValidate.schema = schemaObj.schema;
+    callValidate.errors = null;
+    callValidate.root = root ? root : callValidate;
+    if (schemaObj.schema.$async === true)
+      callValidate.$async = true;
+    return callValidate;
+  }
+  schemaObj.compiling = true;
+
+  var currentOpts;
+  if (schemaObj.meta) {
+    currentOpts = this._opts;
+    this._opts = this._metaOpts;
+  }
+
+  var v;
+  try { v = compileSchema.call(this, schemaObj.schema, root, schemaObj.localRefs); }
+  catch(e) {
+    delete schemaObj.validate;
+    throw e;
+  }
+  finally {
+    schemaObj.compiling = false;
+    if (schemaObj.meta) this._opts = currentOpts;
+  }
+
+  schemaObj.validate = v;
+  schemaObj.refs = v.refs;
+  schemaObj.refVal = v.refVal;
+  schemaObj.root = v.root;
+  return v;
+
+
+  /* @this   {*} - custom context, see passContext option */
+  function callValidate() {
+    /* jshint validthis: true */
+    var _validate = schemaObj.validate;
+    var result = _validate.apply(this, arguments);
+    callValidate.errors = _validate.errors;
+    return result;
+  }
+}
+
+
+function chooseGetId(opts) {
+  switch (opts.schemaId) {
+    case 'auto': return _get$IdOrId;
+    case 'id': return _getId;
+    default: return _get$Id;
+  }
+}
+
+/* @this   Ajv */
+function _getId(schema) {
+  if (schema.$id) this.logger.warn('schema $id ignored', schema.$id);
+  return schema.id;
+}
+
+/* @this   Ajv */
+function _get$Id(schema) {
+  if (schema.id) this.logger.warn('schema id ignored', schema.id);
+  return schema.$id;
+}
+
+
+function _get$IdOrId(schema) {
+  if (schema.$id && schema.id && schema.$id != schema.id)
+    throw new Error('schema $id is different from id');
+  return schema.$id || schema.id;
+}
+
+
+/**
+ * Convert array of error message objects to string
+ * @this   Ajv
+ * @param  {Array<Object>} errors optional array of validation errors, if not passed errors from the instance are used.
+ * @param  {Object} options optional options with properties `separator` and `dataVar`.
+ * @return {String} human readable string with all errors descriptions
+ */
+function errorsText(errors, options) {
+  errors = errors || this.errors;
+  if (!errors) return 'No errors';
+  options = options || {};
+  var separator = options.separator === undefined ? ', ' : options.separator;
+  var dataVar = options.dataVar === undefined ? 'data' : options.dataVar;
+
+  var text = '';
+  for (var i=0; i<errors.length; i++) {
+    var e = errors[i];
+    if (e) text += dataVar + e.dataPath + ' ' + e.message + separator;
+  }
+  return text.slice(0, -separator.length);
+}
+
+
+/**
+ * Add custom format
+ * @this   Ajv
+ * @param {String} name format name
+ * @param {String|RegExp|Function} format string is converted to RegExp; function should return boolean (true when valid)
+ * @return {Ajv} this for method chaining
+ */
+function addFormat(name, format) {
+  if (typeof format == 'string') format = new RegExp(format);
+  this._formats[name] = format;
+  return this;
+}
+
+
+function addDefaultMetaSchema(self) {
+  var $dataSchema;
+  if (self._opts.$data) {
+    $dataSchema = require('./refs/data.json');
+    self.addMetaSchema($dataSchema, $dataSchema.$id, true);
+  }
+  if (self._opts.meta === false) return;
+  var metaSchema = require('./refs/json-schema-draft-07.json');
+  if (self._opts.$data) metaSchema = $dataMetaSchema(metaSchema, META_SUPPORT_DATA);
+  self.addMetaSchema(metaSchema, META_SCHEMA_ID, true);
+  self._refs['http://json-schema.org/schema'] = META_SCHEMA_ID;
+}
+
+
+function addInitialSchemas(self) {
+  var optsSchemas = self._opts.schemas;
+  if (!optsSchemas) return;
+  if (Array.isArray(optsSchemas)) self.addSchema(optsSchemas);
+  else for (var key in optsSchemas) self.addSchema(optsSchemas[key], key);
+}
+
+
+function addInitialFormats(self) {
+  for (var name in self._opts.formats) {
+    var format = self._opts.formats[name];
+    self.addFormat(name, format);
+  }
+}
+
+
+function addInitialKeywords(self) {
+  for (var name in self._opts.keywords) {
+    var keyword = self._opts.keywords[name];
+    self.addKeyword(name, keyword);
+  }
+}
+
+
+function checkUnique(self, id) {
+  if (self._schemas[id] || self._refs[id])
+    throw new Error('schema with key or id "' + id + '" already exists');
+}
+
+
+function getMetaSchemaOptions(self) {
+  var metaOpts = util.copy(self._opts);
+  for (var i=0; i<META_IGNORE_OPTIONS.length; i++)
+    delete metaOpts[META_IGNORE_OPTIONS[i]];
+  return metaOpts;
+}
+
+
+function setLogger(self) {
+  var logger = self._opts.logger;
+  if (logger === false) {
+    self.logger = {log: noop, warn: noop, error: noop};
+  } else {
+    if (logger === undefined) logger = console;
+    if (!(typeof logger == 'object' && logger.log && logger.warn && logger.error))
+      throw new Error('logger must implement log, warn and error methods');
+    self.logger = logger;
+  }
+}
+
+
+function noop() {}
+
+},{"./cache":1,"./compile":5,"./compile/async":2,"./compile/error_classes":3,"./compile/formats":4,"./compile/resolve":6,"./compile/rules":7,"./compile/schema_obj":8,"./compile/util":10,"./data":11,"./keyword":39,"./refs/data.json":40,"./refs/json-schema-draft-07.json":41,"fast-json-stable-stringify":43}]},{},[])("ajv")
+});
diff --git a/node_modules/ajv/dist/ajv.min.js b/node_modules/ajv/dist/ajv.min.js
new file mode 100644
index 000000000..7a60eb8a2
--- /dev/null
+++ b/node_modules/ajv/dist/ajv.min.js
@@ -0,0 +1,3 @@
+/* ajv 6.12.6: Another JSON Schema Validator */
+!function(e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).Ajv=e()}(function(){return function o(i,n,l){function c(r,e){if(!n[r]){if(!i[r]){var t="function"==typeof require&&require;if(!e&&t)return t(r,!0);if(u)return u(r,!0);var a=new Error("Cannot find module '"+r+"'");throw a.code="MODULE_NOT_FOUND",a}var s=n[r]={exports:{}};i[r][0].call(s.exports,function(e){return c(i[r][1][e]||e)},s,s.exports,o,i,n,l)}return n[r].exports}for(var u="function"==typeof require&&require,e=0;e<l.length;e++)c(l[e]);return c}({1:[function(e,r,t){"use strict";var a=r.exports=function(){this._cache={}};a.prototype.put=function(e,r){this._cache[e]=r},a.prototype.get=function(e){return this._cache[e]},a.prototype.del=function(e){delete this._cache[e]},a.prototype.clear=function(){this._cache={}}},{}],2:[function(e,r,t){"use strict";var a=e("./error_classes").MissingRef;function s(r,n,t){var l=this;if("function"!=typeof this._opts.loadSchema)throw new Error("options.loadSchema should be a function");"function"==typeof n&&(t=n,n=void 0);var e=c(r).then(function(){var e=l._addSchema(r,void 0,n);return e.validate||function o(i){try{return l._compile(i)}catch(e){if(e instanceof a)return r(e);throw e}function r(e){var r=e.missingSchema;if(s(r))throw new Error("Schema "+r+" is loaded but "+e.missingRef+" cannot be resolved");var t=l._loadingSchemas[r];return t||(t=l._loadingSchemas[r]=l._opts.loadSchema(r)).then(a,a),t.then(function(e){if(!s(r))return c(e).then(function(){s(r)||l.addSchema(e,r,void 0,n)})}).then(function(){return o(i)});function a(){delete l._loadingSchemas[r]}function s(e){return l._refs[e]||l._schemas[e]}}}(e)});return t&&e.then(function(e){t(null,e)},t),e;function c(e){var r=e.$schema;return 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T(e){return"var customRule"+e+" = customRules["+e+"];"}function Q(e,r){if(!e.length)return"";for(var t="",a=0;a<e.length;a++)t+=r(a,e);return t}r.exports=C},{"../dotjs/validate":38,"./error_classes":3,"./resolve":6,"./util":10,"fast-deep-equal":42,"fast-json-stable-stringify":43}],6:[function(e,r,t){"use strict";var m=e("uri-js"),v=e("fast-deep-equal"),y=e("./util"),l=e("./schema_obj"),a=e("json-schema-traverse");function c(e,r,t){var a=this._refs[t];if("string"==typeof a){if(!this._refs[a])return c.call(this,e,r,a);a=this._refs[a]}if((a=a||this._schemas[t])instanceof l)return d(a.schema,this._opts.inlineRefs)?a.schema:a.validate||this._compile(a);var s,o,i,n=u.call(this,r,t);return n&&(s=n.schema,r=n.root,i=n.baseId),s instanceof l?o=s.validate||e.call(this,s.schema,r,void 0,i):void 0!==s&&(o=d(s,this._opts.inlineRefs)?s:e.call(this,s,r,void 0,i)),o}function u(e,r){var t=m.parse(r),a=p(t),s=g(this._getId(e.schema));if(0===Object.keys(e.schema).length||a!==s){var o=P(a),i=this._refs[o];if("string"==typeof i)return function(e,r,t){var a=u.call(this,e,r);if(a){var s=a.schema,o=a.baseId;e=a.root;var i=this._getId(s);return i&&(o=f(o,i)),n.call(this,t,o,s,e)}}.call(this,e,i,t);if(i instanceof l)i.validate||this._compile(i),e=i;else{if(!((i=this._schemas[o])instanceof l))return;if(i.validate||this._compile(i),o==P(r))return{schema:i,root:e,baseId:s};e=i}if(!e.schema)return;s=g(this._getId(e.schema))}return n.call(this,t,s,e.schema,e)}(r.exports=c).normalizeId=P,c.fullPath=g,c.url=f,c.ids=function(e){var r=P(this._getId(e)),h={"":r},d={"":g(r,!1)},p={},f=this;return a(e,{allKeys:!0},function(e,r,t,a,s,o,i){if(""!==r){var n=f._getId(e),l=h[a],c=d[a]+"/"+s;if(void 0!==i&&(c+="/"+("number"==typeof i?i:y.escapeFragment(i))),"string"==typeof n){n=l=P(l?m.resolve(l,n):n);var u=f._refs[n];if("string"==typeof u&&(u=f._refs[u]),u&&u.schema){if(!v(e,u.schema))throw new Error('id "'+n+'" resolves to more than one schema')}else 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schemaPath: "+e.util.toQuotedString(f)+" , params: {} ",!1!==e.opts.messages&&(c+=" , message: '"+E+" should be boolean' "),e.opts.verbose&&(c+=" , schema: validate.schema"+p+" , parentSchema: validate.schema"+e.schemaPath+" , data: "+v+" "),c+=" } "):c+=" {} ",x=c,c=l.pop(),c+=!e.compositeRule&&m?e.async?" throw new ValidationError(["+x+"]); ":" validate.errors = ["+x+"]; return false; ":" var err = "+x+";  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ",c+=" } else if ( ",y&&(c+=" ("+g+" !== undefined && typeof "+g+" != 'number') || "),c+=" "+s+" == 'number' ? 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Object.prototype.hasOwnProperty.call("+c+", '"+e.util.escapeQuotes(U)+"') "),t+=") { "+v+" = true; } else { "):(t+=" if ("+J+" !== undefined ",O&&(t+=" &&   Object.prototype.hasOwnProperty.call("+c+", '"+e.util.escapeQuotes(U)+"') "),t+=" ) { "),t+=" "+ie+" } ")),l&&(t+=" if ("+v+") { ",d+="}")}}if(_.length){var re=_;if(re)for(var te,ae=-1,se=re.length-1;ae<se;){var oe,ie,ee=S[te=re[ae+=1]];(e.opts.strictKeywords?"object"==typeof ee&&0<Object.keys(ee).length||!1===ee:e.util.schemaHasRules(ee,e.RULES.all))&&(h.schema=ee,h.schemaPath=e.schemaPath+".patternProperties"+e.util.getProperty(te),h.errSchemaPath=e.errSchemaPath+"/patternProperties/"+e.util.escapeFragment(te),t+=O?" "+w+" = "+w+" || Object.keys("+c+"); for (var "+g+"=0; "+g+"<"+w+".length; "+g+"++) { var "+y+" = "+w+"["+g+"]; ":" for (var "+y+" in "+c+") { ",t+=" if ("+e.usePattern(te)+".test("+y+")) { ",h.errorPath=e.util.getPathExpr(e.errorPath,y,e.opts.jsonPointers),oe=c+"["+y+"]",h.dataPathArr[P]=y,ie=e.validate(h),h.baseId=I,e.util.varOccurences(ie,E)<2?t+=" "+e.util.varReplace(ie,E,oe)+" ":t+=" var "+E+" = "+oe+"; "+ie+" ",l&&(t+=" if (!"+v+") break; "),t+=" } ",l&&(t+=" else "+v+" = true; "),t+=" }  ",l&&(t+=" if ("+v+") { ",d+="}"))}}return l&&(t+=" "+d+" if ("+u+" == errors) {"),t}},{}],34:[function(e,r,t){"use strict";r.exports=function(e,r){var t=" ",a=e.level,s=e.dataLevel,o=e.schema[r],i=e.schemaPath+e.util.getProperty(r),n=e.errSchemaPath+"/"+r,l=!e.opts.allErrors,c="data"+(s||""),u="errs__"+a,h=e.util.copy(e);h.level++;var d,p,f,m,v,y,g,P,E,w,b,S="valid"+h.level;return t+="var "+u+" = errors;",(e.opts.strictKeywords?"object"==typeof o&&0<Object.keys(o).length||!1===o:e.util.schemaHasRules(o,e.RULES.all))&&(h.schema=o,h.schemaPath=i,h.errSchemaPath=n,p="idx"+a,f="i"+a,m="' + "+(d="key"+a)+" + '",v="data"+(h.dataLevel=e.dataLevel+1),y="dataProperties"+a,P=e.baseId,(g=e.opts.ownProperties)&&(t+=" var "+y+" = undefined; "),t+=g?" "+y+" = "+y+" || Object.keys("+c+"); for (var "+p+"=0; "+p+"<"+y+".length; "+p+"++) { var "+d+" = "+y+"["+p+"]; ":" for (var "+d+" in "+c+") { ",t+=" var startErrs"+a+" = errors; ",E=d,w=e.compositeRule,e.compositeRule=h.compositeRule=!0,b=e.validate(h),h.baseId=P,e.util.varOccurences(b,v)<2?t+=" "+e.util.varReplace(b,v,E)+" ":t+=" var "+v+" = "+E+"; "+b+" ",e.compositeRule=h.compositeRule=w,t+=" if (!"+S+") { for (var "+f+"=startErrs"+a+"; "+f+"<errors; "+f+"++) { vErrors["+f+"].propertyName = "+d+"; }   var err =   ",!1!==e.createErrors?(t+=" { keyword: 'propertyNames' , dataPath: (dataPath || '') + "+e.errorPath+" , schemaPath: "+e.util.toQuotedString(n)+" , params: { propertyName: '"+m+"' } ",!1!==e.opts.messages&&(t+=" , message: 'property name \\'"+m+"\\' is invalid' "),e.opts.verbose&&(t+=" , schema: validate.schema"+i+" , parentSchema: validate.schema"+e.schemaPath+" , data: "+c+" "),t+=" } "):t+=" {} ",t+=";  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ",!e.compositeRule&&l&&(t+=e.async?" throw new ValidationError(vErrors); ":" validate.errors = vErrors; return false; "),l&&(t+=" break; "),t+=" } }"),l&&(t+="  if ("+u+" == errors) {"),t}},{}],35:[function(e,r,t){"use strict";r.exports=function(e,r){var t,a,s=" ",o=e.dataLevel,i=e.schema[r],n=e.errSchemaPath+"/"+r,l=!e.opts.allErrors,c="data"+(o||""),u="valid"+e.level;if("#"==i||"#/"==i)a=e.isRoot?(t=e.async,"validate"):(t=!0===e.root.schema.$async,"root.refVal[0]");else{var h,d,p=e.resolveRef(e.baseId,i,e.isRoot);if(void 0===p){var f,m=e.MissingRefError.message(e.baseId,i);if("fail"==e.opts.missingRefs){e.logger.error(m),(f=f||[]).push(s),s="",!1!==e.createErrors?(s+=" { keyword: '$ref' , dataPath: (dataPath || '') + "+e.errorPath+" , schemaPath: "+e.util.toQuotedString(n)+" , params: { ref: '"+e.util.escapeQuotes(i)+"' } ",!1!==e.opts.messages&&(s+=" , message: 'can\\'t resolve reference "+e.util.escapeQuotes(i)+"' "),e.opts.verbose&&(s+=" , schema: "+e.util.toQuotedString(i)+" , parentSchema: validate.schema"+e.schemaPath+" , data: "+c+" "),s+=" } "):s+=" {} ";var v=s,s=f.pop();s+=!e.compositeRule&&l?e.async?" throw new ValidationError(["+v+"]); ":" validate.errors = ["+v+"]; return false; ":" var err = "+v+";  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ",l&&(s+=" if (false) { ")}else{if("ignore"!=e.opts.missingRefs)throw new e.MissingRefError(e.baseId,i,m);e.logger.warn(m),l&&(s+=" if (true) { ")}}else{p.inline?((h=e.util.copy(e)).level++,d="valid"+h.level,h.schema=p.schema,h.schemaPath="",h.errSchemaPath=i,s+=" "+e.validate(h).replace(/validate\.schema/g,p.code)+" ",l&&(s+=" if ("+d+") { ")):(t=!0===p.$async||e.async&&!1!==p.$async,a=p.code)}}if(a){(f=f||[]).push(s),s="",s+=e.opts.passContext?" "+a+".call(this, ":" "+a+"( ",s+=" "+c+", (dataPath || '')",'""'!=e.errorPath&&(s+=" + "+e.errorPath);var y=s+=" , "+(o?"data"+(o-1||""):"parentData")+" , "+(o?e.dataPathArr[o]:"parentDataProperty")+", rootData)  ";if(s=f.pop(),t){if(!e.async)throw new Error("async schema referenced by sync schema");l&&(s+=" var "+u+"; "),s+=" try { await "+y+"; ",l&&(s+=" "+u+" = true; "),s+=" } catch (e) { if (!(e instanceof ValidationError)) throw e; if (vErrors === null) vErrors = e.errors; else vErrors = vErrors.concat(e.errors); errors = vErrors.length; ",l&&(s+=" "+u+" = false; "),s+=" } ",l&&(s+=" if ("+u+") { ")}else s+=" if (!"+y+") { if (vErrors === null) vErrors = "+a+".errors; else vErrors = vErrors.concat("+a+".errors); errors = vErrors.length; } ",l&&(s+=" else { ")}return s}},{}],36:[function(e,r,t){"use strict";r.exports=function(e,r){var t=" ",a=e.level,s=e.dataLevel,o=e.schema[r],i=e.schemaPath+e.util.getProperty(r),n=e.errSchemaPath+"/"+r,l=!e.opts.allErrors,c="data"+(s||""),u="valid"+a,h=e.opts.$data&&o&&o.$data,d=(h&&(t+=" var schema"+a+" = "+e.util.getData(o.$data,s,e.dataPathArr)+"; "),"schema"+a);if(!h)if(o.length<e.opts.loopRequired&&e.schema.properties&&Object.keys(e.schema.properties).length){var p=[],f=o;if(f)for(var m,v=-1,y=f.length-1;v<y;){m=f[v+=1];var g=e.schema.properties[m];g&&(e.opts.strictKeywords?"object"==typeof g&&0<Object.keys(g).length||!1===g:e.util.schemaHasRules(g,e.RULES.all))||(p[p.length]=m)}}else p=o;if(h||p.length){var P=e.errorPath,E=h||e.opts.loopRequired<=p.length,w=e.opts.ownProperties;if(l)if(t+=" var missing"+a+"; ",E){h||(t+=" var "+d+" = validate.schema"+i+"; ");var b="' + "+($="schema"+a+"["+(F="i"+a)+"]")+" + '";e.opts._errorDataPathProperty&&(e.errorPath=e.util.getPathExpr(P,$,e.opts.jsonPointers)),t+=" var "+u+" = true; ",h&&(t+=" if (schema"+a+" === undefined) "+u+" = true; else if (!Array.isArray(schema"+a+")) "+u+" = false; else {"),t+=" for (var "+F+" = 0; "+F+" < "+d+".length; "+F+"++) { "+u+" = "+c+"["+d+"["+F+"]] !== undefined ",w&&(t+=" &&   Object.prototype.hasOwnProperty.call("+c+", "+d+"["+F+"]) "),t+="; if (!"+u+") break; } ",h&&(t+="  }  "),(R=R||[]).push(t+="  if (!"+u+") {   "),t="",!1!==e.createErrors?(t+=" { keyword: 'required' , dataPath: (dataPath || '') + "+e.errorPath+" , schemaPath: "+e.util.toQuotedString(n)+" , params: { missingProperty: '"+b+"' } ",!1!==e.opts.messages&&(t+=" , message: '",t+=e.opts._errorDataPathProperty?"is a required property":"should have required property \\'"+b+"\\'",t+="' "),e.opts.verbose&&(t+=" , schema: validate.schema"+i+" , parentSchema: validate.schema"+e.schemaPath+" , data: "+c+" "),t+=" } "):t+=" {} ";var S=t,t=R.pop();t+=!e.compositeRule&&l?e.async?" throw new ValidationError(["+S+"]); ":" validate.errors = ["+S+"]; return false; ":" var err = "+S+";  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ",t+=" } else { "}else{t+=" if ( ";var _=p;if(_)for(var F=-1,x=_.length-1;F<x;){D=_[F+=1],F&&(t+=" || "),t+=" ( ( "+(k=c+(A=e.util.getProperty(D)))+" === undefined ",w&&(t+=" || ! Object.prototype.hasOwnProperty.call("+c+", '"+e.util.escapeQuotes(D)+"') "),t+=") && (missing"+a+" = "+e.util.toQuotedString(e.opts.jsonPointers?D:A)+") ) "}t+=") {  ";var R,b="' + "+($="missing"+a)+" + '";e.opts._errorDataPathProperty&&(e.errorPath=e.opts.jsonPointers?e.util.getPathExpr(P,$,!0):P+" + "+$),(R=R||[]).push(t),t="",!1!==e.createErrors?(t+=" { keyword: 'required' , dataPath: (dataPath || '') + "+e.errorPath+" , schemaPath: "+e.util.toQuotedString(n)+" , params: { missingProperty: '"+b+"' } ",!1!==e.opts.messages&&(t+=" , message: '",t+=e.opts._errorDataPathProperty?"is a required property":"should have required property \\'"+b+"\\'",t+="' "),e.opts.verbose&&(t+=" , schema: validate.schema"+i+" , parentSchema: validate.schema"+e.schemaPath+" , data: "+c+" "),t+=" } "):t+=" {} ";S=t;t=R.pop(),t+=!e.compositeRule&&l?e.async?" throw new ValidationError(["+S+"]); ":" validate.errors = ["+S+"]; return false; ":" var err = "+S+";  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ",t+=" } else { "}else if(E){h||(t+=" var "+d+" = validate.schema"+i+"; ");var $,b="' + "+($="schema"+a+"["+(F="i"+a)+"]")+" + '";e.opts._errorDataPathProperty&&(e.errorPath=e.util.getPathExpr(P,$,e.opts.jsonPointers)),h&&(t+=" if ("+d+" && !Array.isArray("+d+")) {  var err =   ",!1!==e.createErrors?(t+=" { keyword: 'required' , dataPath: (dataPath || '') + "+e.errorPath+" , schemaPath: "+e.util.toQuotedString(n)+" , params: { missingProperty: '"+b+"' } ",!1!==e.opts.messages&&(t+=" , message: '",t+=e.opts._errorDataPathProperty?"is a required property":"should have required property \\'"+b+"\\'",t+="' "),e.opts.verbose&&(t+=" , schema: validate.schema"+i+" , parentSchema: validate.schema"+e.schemaPath+" , data: "+c+" "),t+=" } "):t+=" {} ",t+=";  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } else if ("+d+" !== undefined) { "),t+=" for (var "+F+" = 0; "+F+" < "+d+".length; "+F+"++) { if ("+c+"["+d+"["+F+"]] === undefined ",w&&(t+=" || ! Object.prototype.hasOwnProperty.call("+c+", "+d+"["+F+"]) "),t+=") {  var err =   ",!1!==e.createErrors?(t+=" { keyword: 'required' , dataPath: (dataPath || '') + "+e.errorPath+" , schemaPath: "+e.util.toQuotedString(n)+" , params: { missingProperty: '"+b+"' } ",!1!==e.opts.messages&&(t+=" , message: '",t+=e.opts._errorDataPathProperty?"is a required property":"should have required property \\'"+b+"\\'",t+="' "),e.opts.verbose&&(t+=" , schema: validate.schema"+i+" , parentSchema: validate.schema"+e.schemaPath+" , data: "+c+" "),t+=" } "):t+=" {} ",t+=";  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } } ",h&&(t+="  }  ")}else{var j=p;if(j)for(var D,O=-1,I=j.length-1;O<I;){D=j[O+=1];var A=e.util.getProperty(D),b=e.util.escapeQuotes(D),k=c+A;e.opts._errorDataPathProperty&&(e.errorPath=e.util.getPath(P,D,e.opts.jsonPointers)),t+=" if ( "+k+" === undefined ",w&&(t+=" || ! Object.prototype.hasOwnProperty.call("+c+", '"+e.util.escapeQuotes(D)+"') "),t+=") {  var err =   ",!1!==e.createErrors?(t+=" { keyword: 'required' , dataPath: (dataPath || '') + "+e.errorPath+" , schemaPath: "+e.util.toQuotedString(n)+" , params: { missingProperty: '"+b+"' } ",!1!==e.opts.messages&&(t+=" , message: '",t+=e.opts._errorDataPathProperty?"is a required property":"should have required property \\'"+b+"\\'",t+="' "),e.opts.verbose&&(t+=" , schema: validate.schema"+i+" , parentSchema: validate.schema"+e.schemaPath+" , data: "+c+" "),t+=" } "):t+=" {} ",t+=";  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } "}}e.errorPath=P}else l&&(t+=" if (true) {");return t}},{}],37:[function(e,r,t){"use strict";r.exports=function(e,r){var t,a,s,o,i=" ",n=e.level,l=e.dataLevel,c=e.schema[r],u=e.schemaPath+e.util.getProperty(r),h=e.errSchemaPath+"/"+r,d=!e.opts.allErrors,p="data"+(l||""),f="valid"+n,m=e.opts.$data&&c&&c.$data,v=m?(i+=" var schema"+n+" = "+e.util.getData(c.$data,l,e.dataPathArr)+"; ","schema"+n):c;return(c||m)&&!1!==e.opts.uniqueItems?(m&&(i+=" var "+f+"; if ("+v+" === false || "+v+" === undefined) "+f+" = true; else if (typeof "+v+" != 'boolean') "+f+" = false; else { "),i+=" var i = "+p+".length , "+f+" = true , j; if (i > 1) { ",t=e.schema.items&&e.schema.items.type,a=Array.isArray(t),!t||"object"==t||"array"==t||a&&(0<=t.indexOf("object")||0<=t.indexOf("array"))?i+=" outer: for (;i--;) { for (j = i; j--;) { if (equal("+p+"[i], "+p+"[j])) { "+f+" = false; break outer; } } } ":(i+=" var itemIndices = {}, item; for (;i--;) { var item = "+p+"[i]; ",i+=" if ("+e.util["checkDataType"+(a?"s":"")](t,"item",e.opts.strictNumbers,!0)+") continue; ",a&&(i+=" if (typeof item == 'string') item = '\"' + item; "),i+=" if (typeof itemIndices[item] == 'number') { "+f+" = false; j = itemIndices[item]; break; } itemIndices[item] = i; } "),i+=" } ",m&&(i+="  }  "),(s=s||[]).push(i+=" if (!"+f+") {   "),i="",!1!==e.createErrors?(i+=" { keyword: 'uniqueItems' , dataPath: (dataPath || '') + "+e.errorPath+" , schemaPath: "+e.util.toQuotedString(h)+" , params: { i: i, j: j } ",!1!==e.opts.messages&&(i+=" , message: 'should NOT have duplicate items (items ## ' + j + ' and ' + i + ' are identical)' "),e.opts.verbose&&(i+=" , schema:  ",i+=m?"validate.schema"+u:""+c,i+="         , parentSchema: validate.schema"+e.schemaPath+" , data: "+p+" "),i+=" } "):i+=" {} ",o=i,i=s.pop(),i+=!e.compositeRule&&d?e.async?" throw new ValidationError(["+o+"]); ":" validate.errors = ["+o+"]; return false; ":" var err = "+o+";  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ",i+=" } ",d&&(i+=" else { ")):d&&(i+=" if (true) { "),i}},{}],38:[function(e,r,t){"use strict";r.exports=function(a,e){var r="",t=!0===a.schema.$async,s=a.util.schemaHasRulesExcept(a.schema,a.RULES.all,"$ref"),o=a.self._getId(a.schema);if(a.opts.strictKeywords){var i=a.util.schemaUnknownRules(a.schema,a.RULES.keywords);if(i){var n="unknown keyword: "+i;if("log"!==a.opts.strictKeywords)throw new Error(n);a.logger.warn(n)}}if(a.isTop&&(r+=" var validate = ",t&&(a.async=!0,r+="async "),r+="function(data, dataPath, parentData, parentDataProperty, rootData) { 'use strict'; ",o&&(a.opts.sourceCode||a.opts.processCode)&&(r+=" /*# sourceURL="+o+" */ ")),"boolean"==typeof a.schema||!s&&!a.schema.$ref){var l=a.level,c=a.dataLevel,u=a.schema[e="false schema"],h=a.schemaPath+a.util.getProperty(e),d=a.errSchemaPath+"/"+e,p=!a.opts.allErrors,f="data"+(c||""),m="valid"+l;return!1===a.schema?(a.isTop?p=!0:r+=" var "+m+" = false; ",(U=U||[]).push(r),r="",!1!==a.createErrors?(r+=" { keyword: 'false schema' , dataPath: (dataPath || '') + "+a.errorPath+" , schemaPath: "+a.util.toQuotedString(d)+" , params: {} ",!1!==a.opts.messages&&(r+=" , message: 'boolean schema is false' "),a.opts.verbose&&(r+=" , schema: false , parentSchema: validate.schema"+a.schemaPath+" , data: "+f+" "),r+=" } "):r+=" {} ",D=r,r=U.pop(),r+=!a.compositeRule&&p?a.async?" throw new ValidationError(["+D+"]); ":" validate.errors = ["+D+"]; return false; ":" var err = "+D+";  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; "):r+=a.isTop?t?" return data; ":" validate.errors = null; return true; ":" var "+m+" = true; ",a.isTop&&(r+=" }; return validate; "),r}if(a.isTop){var v=a.isTop,l=a.level=0,c=a.dataLevel=0,f="data";if(a.rootId=a.resolve.fullPath(a.self._getId(a.root.schema)),a.baseId=a.baseId||a.rootId,delete a.isTop,a.dataPathArr=[""],void 0!==a.schema.default&&a.opts.useDefaults&&a.opts.strictDefaults){var y="default is ignored in the schema root";if("log"!==a.opts.strictDefaults)throw new Error(y);a.logger.warn(y)}r+=" var vErrors = null; ",r+=" var errors = 0;     ",r+=" if (rootData === undefined) rootData = data; "}else{l=a.level,f="data"+((c=a.dataLevel)||"");if(o&&(a.baseId=a.resolve.url(a.baseId,o)),t&&!a.async)throw new Error("async schema in sync schema");r+=" var errs_"+l+" = errors;"}var g,m="valid"+l,p=!a.opts.allErrors,P="",E="",w=a.schema.type,b=Array.isArray(w);if(w&&a.opts.nullable&&!0===a.schema.nullable&&(b?-1==w.indexOf("null")&&(w=w.concat("null")):"null"!=w&&(w=[w,"null"],b=!0)),b&&1==w.length&&(w=w[0],b=!1),a.schema.$ref&&s){if("fail"==a.opts.extendRefs)throw new Error('$ref: validation keywords used in schema at path "'+a.errSchemaPath+'" (see option extendRefs)');!0!==a.opts.extendRefs&&(s=!1,a.logger.warn('$ref: keywords ignored in schema at path "'+a.errSchemaPath+'"'))}if(a.schema.$comment&&a.opts.$comment&&(r+=" "+a.RULES.all.$comment.code(a,"$comment")),w){a.opts.coerceTypes&&(g=a.util.coerceToTypes(a.opts.coerceTypes,w));var S=a.RULES.types[w];if(g||b||!0===S||S&&!Z(S)){h=a.schemaPath+".type",d=a.errSchemaPath+"/type",h=a.schemaPath+".type",d=a.errSchemaPath+"/type";if(r+=" if ("+a.util[b?"checkDataTypes":"checkDataType"](w,f,a.opts.strictNumbers,!0)+") { ",g){var _="dataType"+l,F="coerced"+l;r+=" var "+_+" = typeof "+f+"; 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\ No newline at end of file
diff --git a/node_modules/ajv/lib/ajv.d.ts b/node_modules/ajv/lib/ajv.d.ts
new file mode 100644
index 000000000..078364d8c
--- /dev/null
+++ b/node_modules/ajv/lib/ajv.d.ts
@@ -0,0 +1,397 @@
+declare var ajv: {
+  (options?: ajv.Options): ajv.Ajv;
+  new(options?: ajv.Options): ajv.Ajv;
+  ValidationError: typeof AjvErrors.ValidationError;
+  MissingRefError: typeof AjvErrors.MissingRefError;
+  $dataMetaSchema: object;
+}
+
+declare namespace AjvErrors {
+  class ValidationError extends Error {
+    constructor(errors: Array<ajv.ErrorObject>);
+
+    message: string;
+    errors: Array<ajv.ErrorObject>;
+    ajv: true;
+    validation: true;
+  }
+
+  class MissingRefError extends Error {
+    constructor(baseId: string, ref: string, message?: string);
+    static message: (baseId: string, ref: string) => string;
+
+    message: string;
+    missingRef: string;
+    missingSchema: string;
+  }
+}
+
+declare namespace ajv {
+  type ValidationError = AjvErrors.ValidationError;
+
+  type MissingRefError = AjvErrors.MissingRefError;
+
+  interface Ajv {
+    /**
+    * Validate data using schema
+    * Schema will be compiled and cached (using serialized JSON as key, [fast-json-stable-stringify](https://github.com/epoberezkin/fast-json-stable-stringify) is used to serialize by default).
+    * @param  {string|object|Boolean} schemaKeyRef key, ref or schema object
+    * @param  {Any} data to be validated
+    * @return {Boolean} validation result. Errors from the last validation will be available in `ajv.errors` (and also in compiled schema: `schema.errors`).
+    */
+    validate(schemaKeyRef: object | string | boolean, data: any): boolean | PromiseLike<any>;
+    /**
+    * Create validating function for passed schema.
+    * @param  {object|Boolean} schema schema object
+    * @return {Function} validating function
+    */
+    compile(schema: object | boolean): ValidateFunction;
+    /**
+    * Creates validating function for passed schema with asynchronous loading of missing schemas.
+    * `loadSchema` option should be a function that accepts schema uri and node-style callback.
+    * @this  Ajv
+    * @param {object|Boolean} schema schema object
+    * @param {Boolean} meta optional true to compile meta-schema; this parameter can be skipped
+    * @param {Function} callback optional node-style callback, it is always called with 2 parameters: error (or null) and validating function.
+    * @return {PromiseLike<ValidateFunction>} validating function
+    */
+    compileAsync(schema: object | boolean, meta?: Boolean, callback?: (err: Error, validate: ValidateFunction) => any): PromiseLike<ValidateFunction>;
+    /**
+    * Adds schema to the instance.
+    * @param {object|Array} schema schema or array of schemas. If array is passed, `key` and other parameters will be ignored.
+    * @param {string} key Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.
+    * @return {Ajv} this for method chaining
+    */
+    addSchema(schema: Array<object> | object, key?: string): Ajv;
+    /**
+    * Add schema that will be used to validate other schemas
+    * options in META_IGNORE_OPTIONS are alway set to false
+    * @param {object} schema schema object
+    * @param {string} key optional schema key
+    * @return {Ajv} this for method chaining
+    */
+    addMetaSchema(schema: object, key?: string): Ajv;
+    /**
+    * Validate schema
+    * @param {object|Boolean} schema schema to validate
+    * @return {Boolean} true if schema is valid
+    */
+    validateSchema(schema: object | boolean): boolean;
+    /**
+    * Get compiled schema from the instance by `key` or `ref`.
+    * @param  {string} keyRef `key` that was passed to `addSchema` or full schema reference (`schema.id` or resolved id).
+    * @return {Function} schema validating function (with property `schema`). Returns undefined if keyRef can't be resolved to an existing schema.
+    */
+    getSchema(keyRef: string): ValidateFunction | undefined;
+    /**
+    * Remove cached schema(s).
+    * If no parameter is passed all schemas but meta-schemas are removed.
+    * If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
+    * Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
+    * @param  {string|object|RegExp|Boolean} schemaKeyRef key, ref, pattern to match key/ref or schema object
+    * @return {Ajv} this for method chaining
+    */
+    removeSchema(schemaKeyRef?: object | string | RegExp | boolean): Ajv;
+    /**
+    * Add custom format
+    * @param {string} name format name
+    * @param {string|RegExp|Function} format string is converted to RegExp; function should return boolean (true when valid)
+    * @return {Ajv} this for method chaining
+    */
+    addFormat(name: string, format: FormatValidator | FormatDefinition): Ajv;
+    /**
+    * Define custom keyword
+    * @this  Ajv
+    * @param {string} keyword custom keyword, should be a valid identifier, should be different from all standard, custom and macro keywords.
+    * @param {object} definition keyword definition object with properties `type` (type(s) which the keyword applies to), `validate` or `compile`.
+    * @return {Ajv} this for method chaining
+    */
+    addKeyword(keyword: string, definition: KeywordDefinition): Ajv;
+    /**
+    * Get keyword definition
+    * @this  Ajv
+    * @param {string} keyword pre-defined or custom keyword.
+    * @return {object|Boolean} custom keyword definition, `true` if it is a predefined keyword, `false` otherwise.
+    */
+    getKeyword(keyword: string): object | boolean;
+    /**
+    * Remove keyword
+    * @this  Ajv
+    * @param {string} keyword pre-defined or custom keyword.
+    * @return {Ajv} this for method chaining
+    */
+    removeKeyword(keyword: string): Ajv;
+    /**
+    * Validate keyword
+    * @this  Ajv
+    * @param {object} definition keyword definition object
+    * @param {boolean} throwError true to throw exception if definition is invalid
+    * @return {boolean} validation result
+    */
+    validateKeyword(definition: KeywordDefinition, throwError: boolean): boolean;
+    /**
+    * Convert array of error message objects to string
+    * @param  {Array<object>} errors optional array of validation errors, if not passed errors from the instance are used.
+    * @param  {object} options optional options with properties `separator` and `dataVar`.
+    * @return {string} human readable string with all errors descriptions
+    */
+    errorsText(errors?: Array<ErrorObject> | null, options?: ErrorsTextOptions): string;
+    errors?: Array<ErrorObject> | null;
+    _opts: Options;
+  }
+
+  interface CustomLogger {
+    log(...args: any[]): any;
+    warn(...args: any[]): any;
+    error(...args: any[]): any;
+  }
+
+  interface ValidateFunction {
+    (
+      data: any,
+      dataPath?: string,
+      parentData?: object | Array<any>,
+      parentDataProperty?: string | number,
+      rootData?: object | Array<any>
+    ): boolean | PromiseLike<any>;
+    schema?: object | boolean;
+    errors?: null | Array<ErrorObject>;
+    refs?: object;
+    refVal?: Array<any>;
+    root?: ValidateFunction | object;
+    $async?: true;
+    source?: object;
+  }
+
+  interface Options {
+    $data?: boolean;
+    allErrors?: boolean;
+    verbose?: boolean;
+    jsonPointers?: boolean;
+    uniqueItems?: boolean;
+    unicode?: boolean;
+    format?: false | string;
+    formats?: object;
+    keywords?: object;
+    unknownFormats?: true | string[] | 'ignore';
+    schemas?: Array<object> | object;
+    schemaId?: '$id' | 'id' | 'auto';
+    missingRefs?: true | 'ignore' | 'fail';
+    extendRefs?: true | 'ignore' | 'fail';
+    loadSchema?: (uri: string, cb?: (err: Error, schema: object) => void) => PromiseLike<object | boolean>;
+    removeAdditional?: boolean | 'all' | 'failing';
+    useDefaults?: boolean | 'empty' | 'shared';
+    coerceTypes?: boolean | 'array';
+    strictDefaults?: boolean | 'log';
+    strictKeywords?: boolean | 'log';
+    strictNumbers?: boolean;
+    async?: boolean | string;
+    transpile?: string | ((code: string) => string);
+    meta?: boolean | object;
+    validateSchema?: boolean | 'log';
+    addUsedSchema?: boolean;
+    inlineRefs?: boolean | number;
+    passContext?: boolean;
+    loopRequired?: number;
+    ownProperties?: boolean;
+    multipleOfPrecision?: boolean | number;
+    errorDataPath?: string,
+    messages?: boolean;
+    sourceCode?: boolean;
+    processCode?: (code: string, schema: object) => string;
+    cache?: object;
+    logger?: CustomLogger | false;
+    nullable?: boolean;
+    serialize?: ((schema: object | boolean) => any) | false;
+  }
+
+  type FormatValidator = string | RegExp | ((data: string) => boolean | PromiseLike<any>);
+  type NumberFormatValidator = ((data: number) => boolean | PromiseLike<any>);
+
+  interface NumberFormatDefinition {
+    type: "number",
+    validate: NumberFormatValidator;
+    compare?: (data1: number, data2: number) => number;
+    async?: boolean;
+  }
+
+  interface StringFormatDefinition {
+    type?: "string",
+    validate: FormatValidator;
+    compare?: (data1: string, data2: string) => number;
+    async?: boolean;
+  }
+
+  type FormatDefinition = NumberFormatDefinition | StringFormatDefinition;
+
+  interface KeywordDefinition {
+    type?: string | Array<string>;
+    async?: boolean;
+    $data?: boolean;
+    errors?: boolean | string;
+    metaSchema?: object;
+    // schema: false makes validate not to expect schema (ValidateFunction)
+    schema?: boolean;
+    statements?: boolean;
+    dependencies?: Array<string>;
+    modifying?: boolean;
+    valid?: boolean;
+    // one and only one of the following properties should be present
+    validate?: SchemaValidateFunction | ValidateFunction;
+    compile?: (schema: any, parentSchema: object, it: CompilationContext) => ValidateFunction;
+    macro?: (schema: any, parentSchema: object, it: CompilationContext) => object | boolean;
+    inline?: (it: CompilationContext, keyword: string, schema: any, parentSchema: object) => string;
+  }
+
+  interface CompilationContext {
+    level: number;
+    dataLevel: number;
+    dataPathArr: string[];
+    schema: any;
+    schemaPath: string;
+    baseId: string;
+    async: boolean;
+    opts: Options;
+    formats: {
+      [index: string]: FormatDefinition | undefined;
+    };
+    keywords: {
+      [index: string]: KeywordDefinition | undefined;
+    };
+    compositeRule: boolean;
+    validate: (schema: object) => boolean;
+    util: {
+      copy(obj: any, target?: any): any;
+      toHash(source: string[]): { [index: string]: true | undefined };
+      equal(obj: any, target: any): boolean;
+      getProperty(str: string): string;
+      schemaHasRules(schema: object, rules: any): string;
+      escapeQuotes(str: string): string;
+      toQuotedString(str: string): string;
+      getData(jsonPointer: string, dataLevel: number, paths: string[]): string;
+      escapeJsonPointer(str: string): string;
+      unescapeJsonPointer(str: string): string;
+      escapeFragment(str: string): string;
+      unescapeFragment(str: string): string;
+    };
+    self: Ajv;
+  }
+
+  interface SchemaValidateFunction {
+    (
+      schema: any,
+      data: any,
+      parentSchema?: object,
+      dataPath?: string,
+      parentData?: object | Array<any>,
+      parentDataProperty?: string | number,
+      rootData?: object | Array<any>
+    ): boolean | PromiseLike<any>;
+    errors?: Array<ErrorObject>;
+  }
+
+  interface ErrorsTextOptions {
+    separator?: string;
+    dataVar?: string;
+  }
+
+  interface ErrorObject {
+    keyword: string;
+    dataPath: string;
+    schemaPath: string;
+    params: ErrorParameters;
+    // Added to validation errors of propertyNames keyword schema
+    propertyName?: string;
+    // Excluded if messages set to false.
+    message?: string;
+    // These are added with the `verbose` option.
+    schema?: any;
+    parentSchema?: object;
+    data?: any;
+  }
+
+  type ErrorParameters = RefParams | LimitParams | AdditionalPropertiesParams |
+    DependenciesParams | FormatParams | ComparisonParams |
+    MultipleOfParams | PatternParams | RequiredParams |
+    TypeParams | UniqueItemsParams | CustomParams |
+    PatternRequiredParams | PropertyNamesParams |
+    IfParams | SwitchParams | NoParams | EnumParams;
+
+  interface RefParams {
+    ref: string;
+  }
+
+  interface LimitParams {
+    limit: number;
+  }
+
+  interface AdditionalPropertiesParams {
+    additionalProperty: string;
+  }
+
+  interface DependenciesParams {
+    property: string;
+    missingProperty: string;
+    depsCount: number;
+    deps: string;
+  }
+
+  interface FormatParams {
+    format: string
+  }
+
+  interface ComparisonParams {
+    comparison: string;
+    limit: number | string;
+    exclusive: boolean;
+  }
+
+  interface MultipleOfParams {
+    multipleOf: number;
+  }
+
+  interface PatternParams {
+    pattern: string;
+  }
+
+  interface RequiredParams {
+    missingProperty: string;
+  }
+
+  interface TypeParams {
+    type: string;
+  }
+
+  interface UniqueItemsParams {
+    i: number;
+    j: number;
+  }
+
+  interface CustomParams {
+    keyword: string;
+  }
+
+  interface PatternRequiredParams {
+    missingPattern: string;
+  }
+
+  interface PropertyNamesParams {
+    propertyName: string;
+  }
+
+  interface IfParams {
+    failingKeyword: string;
+  }
+
+  interface SwitchParams {
+    caseIndex: number;
+  }
+
+  interface NoParams { }
+
+  interface EnumParams {
+    allowedValues: Array<any>;
+  }
+}
+
+export = ajv;
diff --git a/node_modules/ajv/lib/ajv.js b/node_modules/ajv/lib/ajv.js
new file mode 100644
index 000000000..06a45b650
--- /dev/null
+++ b/node_modules/ajv/lib/ajv.js
@@ -0,0 +1,506 @@
+'use strict';
+
+var compileSchema = require('./compile')
+  , resolve = require('./compile/resolve')
+  , Cache = require('./cache')
+  , SchemaObject = require('./compile/schema_obj')
+  , stableStringify = require('fast-json-stable-stringify')
+  , formats = require('./compile/formats')
+  , rules = require('./compile/rules')
+  , $dataMetaSchema = require('./data')
+  , util = require('./compile/util');
+
+module.exports = Ajv;
+
+Ajv.prototype.validate = validate;
+Ajv.prototype.compile = compile;
+Ajv.prototype.addSchema = addSchema;
+Ajv.prototype.addMetaSchema = addMetaSchema;
+Ajv.prototype.validateSchema = validateSchema;
+Ajv.prototype.getSchema = getSchema;
+Ajv.prototype.removeSchema = removeSchema;
+Ajv.prototype.addFormat = addFormat;
+Ajv.prototype.errorsText = errorsText;
+
+Ajv.prototype._addSchema = _addSchema;
+Ajv.prototype._compile = _compile;
+
+Ajv.prototype.compileAsync = require('./compile/async');
+var customKeyword = require('./keyword');
+Ajv.prototype.addKeyword = customKeyword.add;
+Ajv.prototype.getKeyword = customKeyword.get;
+Ajv.prototype.removeKeyword = customKeyword.remove;
+Ajv.prototype.validateKeyword = customKeyword.validate;
+
+var errorClasses = require('./compile/error_classes');
+Ajv.ValidationError = errorClasses.Validation;
+Ajv.MissingRefError = errorClasses.MissingRef;
+Ajv.$dataMetaSchema = $dataMetaSchema;
+
+var META_SCHEMA_ID = 'http://json-schema.org/draft-07/schema';
+
+var META_IGNORE_OPTIONS = [ 'removeAdditional', 'useDefaults', 'coerceTypes', 'strictDefaults' ];
+var META_SUPPORT_DATA = ['/properties'];
+
+/**
+ * Creates validator instance.
+ * Usage: `Ajv(opts)`
+ * @param {Object} opts optional options
+ * @return {Object} ajv instance
+ */
+function Ajv(opts) {
+  if (!(this instanceof Ajv)) return new Ajv(opts);
+  opts = this._opts = util.copy(opts) || {};
+  setLogger(this);
+  this._schemas = {};
+  this._refs = {};
+  this._fragments = {};
+  this._formats = formats(opts.format);
+
+  this._cache = opts.cache || new Cache;
+  this._loadingSchemas = {};
+  this._compilations = [];
+  this.RULES = rules();
+  this._getId = chooseGetId(opts);
+
+  opts.loopRequired = opts.loopRequired || Infinity;
+  if (opts.errorDataPath == 'property') opts._errorDataPathProperty = true;
+  if (opts.serialize === undefined) opts.serialize = stableStringify;
+  this._metaOpts = getMetaSchemaOptions(this);
+
+  if (opts.formats) addInitialFormats(this);
+  if (opts.keywords) addInitialKeywords(this);
+  addDefaultMetaSchema(this);
+  if (typeof opts.meta == 'object') this.addMetaSchema(opts.meta);
+  if (opts.nullable) this.addKeyword('nullable', {metaSchema: {type: 'boolean'}});
+  addInitialSchemas(this);
+}
+
+
+
+/**
+ * Validate data using schema
+ * Schema will be compiled and cached (using serialized JSON as key. [fast-json-stable-stringify](https://github.com/epoberezkin/fast-json-stable-stringify) is used to serialize.
+ * @this   Ajv
+ * @param  {String|Object} schemaKeyRef key, ref or schema object
+ * @param  {Any} data to be validated
+ * @return {Boolean} validation result. Errors from the last validation will be available in `ajv.errors` (and also in compiled schema: `schema.errors`).
+ */
+function validate(schemaKeyRef, data) {
+  var v;
+  if (typeof schemaKeyRef == 'string') {
+    v = this.getSchema(schemaKeyRef);
+    if (!v) throw new Error('no schema with key or ref "' + schemaKeyRef + '"');
+  } else {
+    var schemaObj = this._addSchema(schemaKeyRef);
+    v = schemaObj.validate || this._compile(schemaObj);
+  }
+
+  var valid = v(data);
+  if (v.$async !== true) this.errors = v.errors;
+  return valid;
+}
+
+
+/**
+ * Create validating function for passed schema.
+ * @this   Ajv
+ * @param  {Object} schema schema object
+ * @param  {Boolean} _meta true if schema is a meta-schema. Used internally to compile meta schemas of custom keywords.
+ * @return {Function} validating function
+ */
+function compile(schema, _meta) {
+  var schemaObj = this._addSchema(schema, undefined, _meta);
+  return schemaObj.validate || this._compile(schemaObj);
+}
+
+
+/**
+ * Adds schema to the instance.
+ * @this   Ajv
+ * @param {Object|Array} schema schema or array of schemas. If array is passed, `key` and other parameters will be ignored.
+ * @param {String} key Optional schema key. Can be passed to `validate` method instead of schema object or id/ref. One schema per instance can have empty `id` and `key`.
+ * @param {Boolean} _skipValidation true to skip schema validation. Used internally, option validateSchema should be used instead.
+ * @param {Boolean} _meta true if schema is a meta-schema. Used internally, addMetaSchema should be used instead.
+ * @return {Ajv} this for method chaining
+ */
+function addSchema(schema, key, _skipValidation, _meta) {
+  if (Array.isArray(schema)){
+    for (var i=0; i<schema.length; i++) this.addSchema(schema[i], undefined, _skipValidation, _meta);
+    return this;
+  }
+  var id = this._getId(schema);
+  if (id !== undefined && typeof id != 'string')
+    throw new Error('schema id must be string');
+  key = resolve.normalizeId(key || id);
+  checkUnique(this, key);
+  this._schemas[key] = this._addSchema(schema, _skipValidation, _meta, true);
+  return this;
+}
+
+
+/**
+ * Add schema that will be used to validate other schemas
+ * options in META_IGNORE_OPTIONS are alway set to false
+ * @this   Ajv
+ * @param {Object} schema schema object
+ * @param {String} key optional schema key
+ * @param {Boolean} skipValidation true to skip schema validation, can be used to override validateSchema option for meta-schema
+ * @return {Ajv} this for method chaining
+ */
+function addMetaSchema(schema, key, skipValidation) {
+  this.addSchema(schema, key, skipValidation, true);
+  return this;
+}
+
+
+/**
+ * Validate schema
+ * @this   Ajv
+ * @param {Object} schema schema to validate
+ * @param {Boolean} throwOrLogError pass true to throw (or log) an error if invalid
+ * @return {Boolean} true if schema is valid
+ */
+function validateSchema(schema, throwOrLogError) {
+  var $schema = schema.$schema;
+  if ($schema !== undefined && typeof $schema != 'string')
+    throw new Error('$schema must be a string');
+  $schema = $schema || this._opts.defaultMeta || defaultMeta(this);
+  if (!$schema) {
+    this.logger.warn('meta-schema not available');
+    this.errors = null;
+    return true;
+  }
+  var valid = this.validate($schema, schema);
+  if (!valid && throwOrLogError) {
+    var message = 'schema is invalid: ' + this.errorsText();
+    if (this._opts.validateSchema == 'log') this.logger.error(message);
+    else throw new Error(message);
+  }
+  return valid;
+}
+
+
+function defaultMeta(self) {
+  var meta = self._opts.meta;
+  self._opts.defaultMeta = typeof meta == 'object'
+                            ? self._getId(meta) || meta
+                            : self.getSchema(META_SCHEMA_ID)
+                              ? META_SCHEMA_ID
+                              : undefined;
+  return self._opts.defaultMeta;
+}
+
+
+/**
+ * Get compiled schema from the instance by `key` or `ref`.
+ * @this   Ajv
+ * @param  {String} keyRef `key` that was passed to `addSchema` or full schema reference (`schema.id` or resolved id).
+ * @return {Function} schema validating function (with property `schema`).
+ */
+function getSchema(keyRef) {
+  var schemaObj = _getSchemaObj(this, keyRef);
+  switch (typeof schemaObj) {
+    case 'object': return schemaObj.validate || this._compile(schemaObj);
+    case 'string': return this.getSchema(schemaObj);
+    case 'undefined': return _getSchemaFragment(this, keyRef);
+  }
+}
+
+
+function _getSchemaFragment(self, ref) {
+  var res = resolve.schema.call(self, { schema: {} }, ref);
+  if (res) {
+    var schema = res.schema
+      , root = res.root
+      , baseId = res.baseId;
+    var v = compileSchema.call(self, schema, root, undefined, baseId);
+    self._fragments[ref] = new SchemaObject({
+      ref: ref,
+      fragment: true,
+      schema: schema,
+      root: root,
+      baseId: baseId,
+      validate: v
+    });
+    return v;
+  }
+}
+
+
+function _getSchemaObj(self, keyRef) {
+  keyRef = resolve.normalizeId(keyRef);
+  return self._schemas[keyRef] || self._refs[keyRef] || self._fragments[keyRef];
+}
+
+
+/**
+ * Remove cached schema(s).
+ * If no parameter is passed all schemas but meta-schemas are removed.
+ * If RegExp is passed all schemas with key/id matching pattern but meta-schemas are removed.
+ * Even if schema is referenced by other schemas it still can be removed as other schemas have local references.
+ * @this   Ajv
+ * @param  {String|Object|RegExp} schemaKeyRef key, ref, pattern to match key/ref or schema object
+ * @return {Ajv} this for method chaining
+ */
+function removeSchema(schemaKeyRef) {
+  if (schemaKeyRef instanceof RegExp) {
+    _removeAllSchemas(this, this._schemas, schemaKeyRef);
+    _removeAllSchemas(this, this._refs, schemaKeyRef);
+    return this;
+  }
+  switch (typeof schemaKeyRef) {
+    case 'undefined':
+      _removeAllSchemas(this, this._schemas);
+      _removeAllSchemas(this, this._refs);
+      this._cache.clear();
+      return this;
+    case 'string':
+      var schemaObj = _getSchemaObj(this, schemaKeyRef);
+      if (schemaObj) this._cache.del(schemaObj.cacheKey);
+      delete this._schemas[schemaKeyRef];
+      delete this._refs[schemaKeyRef];
+      return this;
+    case 'object':
+      var serialize = this._opts.serialize;
+      var cacheKey = serialize ? serialize(schemaKeyRef) : schemaKeyRef;
+      this._cache.del(cacheKey);
+      var id = this._getId(schemaKeyRef);
+      if (id) {
+        id = resolve.normalizeId(id);
+        delete this._schemas[id];
+        delete this._refs[id];
+      }
+  }
+  return this;
+}
+
+
+function _removeAllSchemas(self, schemas, regex) {
+  for (var keyRef in schemas) {
+    var schemaObj = schemas[keyRef];
+    if (!schemaObj.meta && (!regex || regex.test(keyRef))) {
+      self._cache.del(schemaObj.cacheKey);
+      delete schemas[keyRef];
+    }
+  }
+}
+
+
+/* @this   Ajv */
+function _addSchema(schema, skipValidation, meta, shouldAddSchema) {
+  if (typeof schema != 'object' && typeof schema != 'boolean')
+    throw new Error('schema should be object or boolean');
+  var serialize = this._opts.serialize;
+  var cacheKey = serialize ? serialize(schema) : schema;
+  var cached = this._cache.get(cacheKey);
+  if (cached) return cached;
+
+  shouldAddSchema = shouldAddSchema || this._opts.addUsedSchema !== false;
+
+  var id = resolve.normalizeId(this._getId(schema));
+  if (id && shouldAddSchema) checkUnique(this, id);
+
+  var willValidate = this._opts.validateSchema !== false && !skipValidation;
+  var recursiveMeta;
+  if (willValidate && !(recursiveMeta = id && id == resolve.normalizeId(schema.$schema)))
+    this.validateSchema(schema, true);
+
+  var localRefs = resolve.ids.call(this, schema);
+
+  var schemaObj = new SchemaObject({
+    id: id,
+    schema: schema,
+    localRefs: localRefs,
+    cacheKey: cacheKey,
+    meta: meta
+  });
+
+  if (id[0] != '#' && shouldAddSchema) this._refs[id] = schemaObj;
+  this._cache.put(cacheKey, schemaObj);
+
+  if (willValidate && recursiveMeta) this.validateSchema(schema, true);
+
+  return schemaObj;
+}
+
+
+/* @this   Ajv */
+function _compile(schemaObj, root) {
+  if (schemaObj.compiling) {
+    schemaObj.validate = callValidate;
+    callValidate.schema = schemaObj.schema;
+    callValidate.errors = null;
+    callValidate.root = root ? root : callValidate;
+    if (schemaObj.schema.$async === true)
+      callValidate.$async = true;
+    return callValidate;
+  }
+  schemaObj.compiling = true;
+
+  var currentOpts;
+  if (schemaObj.meta) {
+    currentOpts = this._opts;
+    this._opts = this._metaOpts;
+  }
+
+  var v;
+  try { v = compileSchema.call(this, schemaObj.schema, root, schemaObj.localRefs); }
+  catch(e) {
+    delete schemaObj.validate;
+    throw e;
+  }
+  finally {
+    schemaObj.compiling = false;
+    if (schemaObj.meta) this._opts = currentOpts;
+  }
+
+  schemaObj.validate = v;
+  schemaObj.refs = v.refs;
+  schemaObj.refVal = v.refVal;
+  schemaObj.root = v.root;
+  return v;
+
+
+  /* @this   {*} - custom context, see passContext option */
+  function callValidate() {
+    /* jshint validthis: true */
+    var _validate = schemaObj.validate;
+    var result = _validate.apply(this, arguments);
+    callValidate.errors = _validate.errors;
+    return result;
+  }
+}
+
+
+function chooseGetId(opts) {
+  switch (opts.schemaId) {
+    case 'auto': return _get$IdOrId;
+    case 'id': return _getId;
+    default: return _get$Id;
+  }
+}
+
+/* @this   Ajv */
+function _getId(schema) {
+  if (schema.$id) this.logger.warn('schema $id ignored', schema.$id);
+  return schema.id;
+}
+
+/* @this   Ajv */
+function _get$Id(schema) {
+  if (schema.id) this.logger.warn('schema id ignored', schema.id);
+  return schema.$id;
+}
+
+
+function _get$IdOrId(schema) {
+  if (schema.$id && schema.id && schema.$id != schema.id)
+    throw new Error('schema $id is different from id');
+  return schema.$id || schema.id;
+}
+
+
+/**
+ * Convert array of error message objects to string
+ * @this   Ajv
+ * @param  {Array<Object>} errors optional array of validation errors, if not passed errors from the instance are used.
+ * @param  {Object} options optional options with properties `separator` and `dataVar`.
+ * @return {String} human readable string with all errors descriptions
+ */
+function errorsText(errors, options) {
+  errors = errors || this.errors;
+  if (!errors) return 'No errors';
+  options = options || {};
+  var separator = options.separator === undefined ? ', ' : options.separator;
+  var dataVar = options.dataVar === undefined ? 'data' : options.dataVar;
+
+  var text = '';
+  for (var i=0; i<errors.length; i++) {
+    var e = errors[i];
+    if (e) text += dataVar + e.dataPath + ' ' + e.message + separator;
+  }
+  return text.slice(0, -separator.length);
+}
+
+
+/**
+ * Add custom format
+ * @this   Ajv
+ * @param {String} name format name
+ * @param {String|RegExp|Function} format string is converted to RegExp; function should return boolean (true when valid)
+ * @return {Ajv} this for method chaining
+ */
+function addFormat(name, format) {
+  if (typeof format == 'string') format = new RegExp(format);
+  this._formats[name] = format;
+  return this;
+}
+
+
+function addDefaultMetaSchema(self) {
+  var $dataSchema;
+  if (self._opts.$data) {
+    $dataSchema = require('./refs/data.json');
+    self.addMetaSchema($dataSchema, $dataSchema.$id, true);
+  }
+  if (self._opts.meta === false) return;
+  var metaSchema = require('./refs/json-schema-draft-07.json');
+  if (self._opts.$data) metaSchema = $dataMetaSchema(metaSchema, META_SUPPORT_DATA);
+  self.addMetaSchema(metaSchema, META_SCHEMA_ID, true);
+  self._refs['http://json-schema.org/schema'] = META_SCHEMA_ID;
+}
+
+
+function addInitialSchemas(self) {
+  var optsSchemas = self._opts.schemas;
+  if (!optsSchemas) return;
+  if (Array.isArray(optsSchemas)) self.addSchema(optsSchemas);
+  else for (var key in optsSchemas) self.addSchema(optsSchemas[key], key);
+}
+
+
+function addInitialFormats(self) {
+  for (var name in self._opts.formats) {
+    var format = self._opts.formats[name];
+    self.addFormat(name, format);
+  }
+}
+
+
+function addInitialKeywords(self) {
+  for (var name in self._opts.keywords) {
+    var keyword = self._opts.keywords[name];
+    self.addKeyword(name, keyword);
+  }
+}
+
+
+function checkUnique(self, id) {
+  if (self._schemas[id] || self._refs[id])
+    throw new Error('schema with key or id "' + id + '" already exists');
+}
+
+
+function getMetaSchemaOptions(self) {
+  var metaOpts = util.copy(self._opts);
+  for (var i=0; i<META_IGNORE_OPTIONS.length; i++)
+    delete metaOpts[META_IGNORE_OPTIONS[i]];
+  return metaOpts;
+}
+
+
+function setLogger(self) {
+  var logger = self._opts.logger;
+  if (logger === false) {
+    self.logger = {log: noop, warn: noop, error: noop};
+  } else {
+    if (logger === undefined) logger = console;
+    if (!(typeof logger == 'object' && logger.log && logger.warn && logger.error))
+      throw new Error('logger must implement log, warn and error methods');
+    self.logger = logger;
+  }
+}
+
+
+function noop() {}
diff --git a/node_modules/ajv/lib/cache.js b/node_modules/ajv/lib/cache.js
new file mode 100644
index 000000000..7558874c7
--- /dev/null
+++ b/node_modules/ajv/lib/cache.js
@@ -0,0 +1,26 @@
+'use strict';
+
+
+var Cache = module.exports = function Cache() {
+  this._cache = {};
+};
+
+
+Cache.prototype.put = function Cache_put(key, value) {
+  this._cache[key] = value;
+};
+
+
+Cache.prototype.get = function Cache_get(key) {
+  return this._cache[key];
+};
+
+
+Cache.prototype.del = function Cache_del(key) {
+  delete this._cache[key];
+};
+
+
+Cache.prototype.clear = function Cache_clear() {
+  this._cache = {};
+};
diff --git a/node_modules/ajv/lib/compile/async.js b/node_modules/ajv/lib/compile/async.js
new file mode 100644
index 000000000..6a30b8892
--- /dev/null
+++ b/node_modules/ajv/lib/compile/async.js
@@ -0,0 +1,90 @@
+'use strict';
+
+var MissingRefError = require('./error_classes').MissingRef;
+
+module.exports = compileAsync;
+
+
+/**
+ * Creates validating function for passed schema with asynchronous loading of missing schemas.
+ * `loadSchema` option should be a function that accepts schema uri and returns promise that resolves with the schema.
+ * @this  Ajv
+ * @param {Object}   schema schema object
+ * @param {Boolean}  meta optional true to compile meta-schema; this parameter can be skipped
+ * @param {Function} callback an optional node-style callback, it is called with 2 parameters: error (or null) and validating function.
+ * @return {Promise} promise that resolves with a validating function.
+ */
+function compileAsync(schema, meta, callback) {
+  /* eslint no-shadow: 0 */
+  /* global Promise */
+  /* jshint validthis: true */
+  var self = this;
+  if (typeof this._opts.loadSchema != 'function')
+    throw new Error('options.loadSchema should be a function');
+
+  if (typeof meta == 'function') {
+    callback = meta;
+    meta = undefined;
+  }
+
+  var p = loadMetaSchemaOf(schema).then(function () {
+    var schemaObj = self._addSchema(schema, undefined, meta);
+    return schemaObj.validate || _compileAsync(schemaObj);
+  });
+
+  if (callback) {
+    p.then(
+      function(v) { callback(null, v); },
+      callback
+    );
+  }
+
+  return p;
+
+
+  function loadMetaSchemaOf(sch) {
+    var $schema = sch.$schema;
+    return $schema && !self.getSchema($schema)
+            ? compileAsync.call(self, { $ref: $schema }, true)
+            : Promise.resolve();
+  }
+
+
+  function _compileAsync(schemaObj) {
+    try { return self._compile(schemaObj); }
+    catch(e) {
+      if (e instanceof MissingRefError) return loadMissingSchema(e);
+      throw e;
+    }
+
+
+    function loadMissingSchema(e) {
+      var ref = e.missingSchema;
+      if (added(ref)) throw new Error('Schema ' + ref + ' is loaded but ' + e.missingRef + ' cannot be resolved');
+
+      var schemaPromise = self._loadingSchemas[ref];
+      if (!schemaPromise) {
+        schemaPromise = self._loadingSchemas[ref] = self._opts.loadSchema(ref);
+        schemaPromise.then(removePromise, removePromise);
+      }
+
+      return schemaPromise.then(function (sch) {
+        if (!added(ref)) {
+          return loadMetaSchemaOf(sch).then(function () {
+            if (!added(ref)) self.addSchema(sch, ref, undefined, meta);
+          });
+        }
+      }).then(function() {
+        return _compileAsync(schemaObj);
+      });
+
+      function removePromise() {
+        delete self._loadingSchemas[ref];
+      }
+
+      function added(ref) {
+        return self._refs[ref] || self._schemas[ref];
+      }
+    }
+  }
+}
diff --git a/node_modules/ajv/lib/compile/equal.js b/node_modules/ajv/lib/compile/equal.js
new file mode 100644
index 000000000..d6c2acef8
--- /dev/null
+++ b/node_modules/ajv/lib/compile/equal.js
@@ -0,0 +1,5 @@
+'use strict';
+
+// do NOT remove this file - it would break pre-compiled schemas
+// https://github.com/ajv-validator/ajv/issues/889
+module.exports = require('fast-deep-equal');
diff --git a/node_modules/ajv/lib/compile/error_classes.js b/node_modules/ajv/lib/compile/error_classes.js
new file mode 100644
index 000000000..0b0ec4e4e
--- /dev/null
+++ b/node_modules/ajv/lib/compile/error_classes.js
@@ -0,0 +1,34 @@
+'use strict';
+
+var resolve = require('./resolve');
+
+module.exports = {
+  Validation: errorSubclass(ValidationError),
+  MissingRef: errorSubclass(MissingRefError)
+};
+
+
+function ValidationError(errors) {
+  this.message = 'validation failed';
+  this.errors = errors;
+  this.ajv = this.validation = true;
+}
+
+
+MissingRefError.message = function (baseId, ref) {
+  return 'can\'t resolve reference ' + ref + ' from id ' + baseId;
+};
+
+
+function MissingRefError(baseId, ref, message) {
+  this.message = message || MissingRefError.message(baseId, ref);
+  this.missingRef = resolve.url(baseId, ref);
+  this.missingSchema = resolve.normalizeId(resolve.fullPath(this.missingRef));
+}
+
+
+function errorSubclass(Subclass) {
+  Subclass.prototype = Object.create(Error.prototype);
+  Subclass.prototype.constructor = Subclass;
+  return Subclass;
+}
diff --git a/node_modules/ajv/lib/compile/formats.js b/node_modules/ajv/lib/compile/formats.js
new file mode 100644
index 000000000..de94a63bb
--- /dev/null
+++ b/node_modules/ajv/lib/compile/formats.js
@@ -0,0 +1,142 @@
+'use strict';
+
+var util = require('./util');
+
+var DATE = /^(\d\d\d\d)-(\d\d)-(\d\d)$/;
+var DAYS = [0,31,28,31,30,31,30,31,31,30,31,30,31];
+var TIME = /^(\d\d):(\d\d):(\d\d)(\.\d+)?(z|[+-]\d\d(?::?\d\d)?)?$/i;
+var HOSTNAME = /^(?=.{1,253}\.?$)[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[-0-9a-z]{0,61}[0-9a-z])?)*\.?$/i;
+var URI = /^(?:[a-z][a-z0-9+\-.]*:)(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'()*+,;=:@]|%[0-9a-f]{2})*)*)(?:\?(?:[a-z0-9\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\-._~!$&'()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i;
+var URIREF = /^(?:[a-z][a-z0-9+\-.]*:)?(?:\/?\/(?:(?:[a-z0-9\-._~!$&'()*+,;=:]|%[0-9a-f]{2})*@)?(?:\[(?:(?:(?:(?:[0-9a-f]{1,4}:){6}|::(?:[0-9a-f]{1,4}:){5}|(?:[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){4}|(?:(?:[0-9a-f]{1,4}:){0,1}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){3}|(?:(?:[0-9a-f]{1,4}:){0,2}[0-9a-f]{1,4})?::(?:[0-9a-f]{1,4}:){2}|(?:(?:[0-9a-f]{1,4}:){0,3}[0-9a-f]{1,4})?::[0-9a-f]{1,4}:|(?:(?:[0-9a-f]{1,4}:){0,4}[0-9a-f]{1,4})?::)(?:[0-9a-f]{1,4}:[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?))|(?:(?:[0-9a-f]{1,4}:){0,5}[0-9a-f]{1,4})?::[0-9a-f]{1,4}|(?:(?:[0-9a-f]{1,4}:){0,6}[0-9a-f]{1,4})?::)|[Vv][0-9a-f]+\.[a-z0-9\-._~!$&'()*+,;=:]+)\]|(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)|(?:[a-z0-9\-._~!$&'"()*+,;=]|%[0-9a-f]{2})*)(?::\d*)?(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*|\/(?:(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?|(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})+(?:\/(?:[a-z0-9\-._~!$&'"()*+,;=:@]|%[0-9a-f]{2})*)*)?(?:\?(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?(?:#(?:[a-z0-9\-._~!$&'"()*+,;=:@/?]|%[0-9a-f]{2})*)?$/i;
+// uri-template: https://tools.ietf.org/html/rfc6570
+var URITEMPLATE = /^(?:(?:[^\x00-\x20"'<>%\\^`{|}]|%[0-9a-f]{2})|\{[+#./;?&=,!@|]?(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?(?:,(?:[a-z0-9_]|%[0-9a-f]{2})+(?::[1-9][0-9]{0,3}|\*)?)*\})*$/i;
+// For the source: https://gist.github.com/dperini/729294
+// For test cases: https://mathiasbynens.be/demo/url-regex
+// @todo Delete current URL in favour of the commented out URL rule when this issue is fixed https://github.com/eslint/eslint/issues/7983.
+// var URL = /^(?:(?:https?|ftp):\/\/)(?:\S+(?::\S*)?@)?(?:(?!10(?:\.\d{1,3}){3})(?!127(?:\.\d{1,3}){3})(?!169\.254(?:\.\d{1,3}){2})(?!192\.168(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u{00a1}-\u{ffff}0-9]+-)*[a-z\u{00a1}-\u{ffff}0-9]+)(?:\.(?:[a-z\u{00a1}-\u{ffff}0-9]+-)*[a-z\u{00a1}-\u{ffff}0-9]+)*(?:\.(?:[a-z\u{00a1}-\u{ffff}]{2,})))(?::\d{2,5})?(?:\/[^\s]*)?$/iu;
+var URL = /^(?:(?:http[s\u017F]?|ftp):\/\/)(?:(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+(?::(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*)?@)?(?:(?!10(?:\.[0-9]{1,3}){3})(?!127(?:\.[0-9]{1,3}){3})(?!169\.254(?:\.[0-9]{1,3}){2})(?!192\.168(?:\.[0-9]{1,3}){2})(?!172\.(?:1[6-9]|2[0-9]|3[01])(?:\.[0-9]{1,3}){2})(?:[1-9][0-9]?|1[0-9][0-9]|2[01][0-9]|22[0-3])(?:\.(?:1?[0-9]{1,2}|2[0-4][0-9]|25[0-5])){2}(?:\.(?:[1-9][0-9]?|1[0-9][0-9]|2[0-4][0-9]|25[0-4]))|(?:(?:(?:[0-9a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+-)*(?:[0-9a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+)(?:\.(?:(?:[0-9a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+-)*(?:[0-9a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])+)*(?:\.(?:(?:[a-z\xA1-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]){2,})))(?::[0-9]{2,5})?(?:\/(?:[\0-\x08\x0E-\x1F!-\x9F\xA1-\u167F\u1681-\u1FFF\u200B-\u2027\u202A-\u202E\u2030-\u205E\u2060-\u2FFF\u3001-\uD7FF\uE000-\uFEFE\uFF00-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*)?$/i;
+var UUID = /^(?:urn:uuid:)?[0-9a-f]{8}-(?:[0-9a-f]{4}-){3}[0-9a-f]{12}$/i;
+var JSON_POINTER = /^(?:\/(?:[^~/]|~0|~1)*)*$/;
+var JSON_POINTER_URI_FRAGMENT = /^#(?:\/(?:[a-z0-9_\-.!$&'()*+,;:=@]|%[0-9a-f]{2}|~0|~1)*)*$/i;
+var RELATIVE_JSON_POINTER = /^(?:0|[1-9][0-9]*)(?:#|(?:\/(?:[^~/]|~0|~1)*)*)$/;
+
+
+module.exports = formats;
+
+function formats(mode) {
+  mode = mode == 'full' ? 'full' : 'fast';
+  return util.copy(formats[mode]);
+}
+
+
+formats.fast = {
+  // date: http://tools.ietf.org/html/rfc3339#section-5.6
+  date: /^\d\d\d\d-[0-1]\d-[0-3]\d$/,
+  // date-time: http://tools.ietf.org/html/rfc3339#section-5.6
+  time: /^(?:[0-2]\d:[0-5]\d:[0-5]\d|23:59:60)(?:\.\d+)?(?:z|[+-]\d\d(?::?\d\d)?)?$/i,
+  'date-time': /^\d\d\d\d-[0-1]\d-[0-3]\d[t\s](?:[0-2]\d:[0-5]\d:[0-5]\d|23:59:60)(?:\.\d+)?(?:z|[+-]\d\d(?::?\d\d)?)$/i,
+  // uri: https://github.com/mafintosh/is-my-json-valid/blob/master/formats.js
+  uri: /^(?:[a-z][a-z0-9+\-.]*:)(?:\/?\/)?[^\s]*$/i,
+  'uri-reference': /^(?:(?:[a-z][a-z0-9+\-.]*:)?\/?\/)?(?:[^\\\s#][^\s#]*)?(?:#[^\\\s]*)?$/i,
+  'uri-template': URITEMPLATE,
+  url: URL,
+  // email (sources from jsen validator):
+  // http://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address#answer-8829363
+  // http://www.w3.org/TR/html5/forms.html#valid-e-mail-address (search for 'willful violation')
+  email: /^[a-z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\.[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?)*$/i,
+  hostname: HOSTNAME,
+  // optimized https://www.safaribooksonline.com/library/view/regular-expressions-cookbook/9780596802837/ch07s16.html
+  ipv4: /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
+  // optimized http://stackoverflow.com/questions/53497/regular-expression-that-matches-valid-ipv6-addresses
+  ipv6: /^\s*(?:(?:(?:[0-9a-f]{1,4}:){7}(?:[0-9a-f]{1,4}|:))|(?:(?:[0-9a-f]{1,4}:){6}(?::[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){5}(?:(?:(?::[0-9a-f]{1,4}){1,2})|:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){4}(?:(?:(?::[0-9a-f]{1,4}){1,3})|(?:(?::[0-9a-f]{1,4})?:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){3}(?:(?:(?::[0-9a-f]{1,4}){1,4})|(?:(?::[0-9a-f]{1,4}){0,2}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){2}(?:(?:(?::[0-9a-f]{1,4}){1,5})|(?:(?::[0-9a-f]{1,4}){0,3}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){1}(?:(?:(?::[0-9a-f]{1,4}){1,6})|(?:(?::[0-9a-f]{1,4}){0,4}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?::(?:(?:(?::[0-9a-f]{1,4}){1,7})|(?:(?::[0-9a-f]{1,4}){0,5}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(?:%.+)?\s*$/i,
+  regex: regex,
+  // uuid: http://tools.ietf.org/html/rfc4122
+  uuid: UUID,
+  // JSON-pointer: https://tools.ietf.org/html/rfc6901
+  // uri fragment: https://tools.ietf.org/html/rfc3986#appendix-A
+  'json-pointer': JSON_POINTER,
+  'json-pointer-uri-fragment': JSON_POINTER_URI_FRAGMENT,
+  // relative JSON-pointer: http://tools.ietf.org/html/draft-luff-relative-json-pointer-00
+  'relative-json-pointer': RELATIVE_JSON_POINTER
+};
+
+
+formats.full = {
+  date: date,
+  time: time,
+  'date-time': date_time,
+  uri: uri,
+  'uri-reference': URIREF,
+  'uri-template': URITEMPLATE,
+  url: URL,
+  email: /^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?$/i,
+  hostname: HOSTNAME,
+  ipv4: /^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$/,
+  ipv6: /^\s*(?:(?:(?:[0-9a-f]{1,4}:){7}(?:[0-9a-f]{1,4}|:))|(?:(?:[0-9a-f]{1,4}:){6}(?::[0-9a-f]{1,4}|(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){5}(?:(?:(?::[0-9a-f]{1,4}){1,2})|:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(?:(?:[0-9a-f]{1,4}:){4}(?:(?:(?::[0-9a-f]{1,4}){1,3})|(?:(?::[0-9a-f]{1,4})?:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){3}(?:(?:(?::[0-9a-f]{1,4}){1,4})|(?:(?::[0-9a-f]{1,4}){0,2}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){2}(?:(?:(?::[0-9a-f]{1,4}){1,5})|(?:(?::[0-9a-f]{1,4}){0,3}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?:(?:[0-9a-f]{1,4}:){1}(?:(?:(?::[0-9a-f]{1,4}){1,6})|(?:(?::[0-9a-f]{1,4}){0,4}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(?::(?:(?:(?::[0-9a-f]{1,4}){1,7})|(?:(?::[0-9a-f]{1,4}){0,5}:(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(?:%.+)?\s*$/i,
+  regex: regex,
+  uuid: UUID,
+  'json-pointer': JSON_POINTER,
+  'json-pointer-uri-fragment': JSON_POINTER_URI_FRAGMENT,
+  'relative-json-pointer': RELATIVE_JSON_POINTER
+};
+
+
+function isLeapYear(year) {
+  // https://tools.ietf.org/html/rfc3339#appendix-C
+  return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
+}
+
+
+function date(str) {
+  // full-date from http://tools.ietf.org/html/rfc3339#section-5.6
+  var matches = str.match(DATE);
+  if (!matches) return false;
+
+  var year = +matches[1];
+  var month = +matches[2];
+  var day = +matches[3];
+
+  return month >= 1 && month <= 12 && day >= 1 &&
+          day <= (month == 2 && isLeapYear(year) ? 29 : DAYS[month]);
+}
+
+
+function time(str, full) {
+  var matches = str.match(TIME);
+  if (!matches) return false;
+
+  var hour = matches[1];
+  var minute = matches[2];
+  var second = matches[3];
+  var timeZone = matches[5];
+  return ((hour <= 23 && minute <= 59 && second <= 59) ||
+          (hour == 23 && minute == 59 && second == 60)) &&
+         (!full || timeZone);
+}
+
+
+var DATE_TIME_SEPARATOR = /t|\s/i;
+function date_time(str) {
+  // http://tools.ietf.org/html/rfc3339#section-5.6
+  var dateTime = str.split(DATE_TIME_SEPARATOR);
+  return dateTime.length == 2 && date(dateTime[0]) && time(dateTime[1], true);
+}
+
+
+var NOT_URI_FRAGMENT = /\/|:/;
+function uri(str) {
+  // http://jmrware.com/articles/2009/uri_regexp/URI_regex.html + optional protocol + required "."
+  return NOT_URI_FRAGMENT.test(str) && URI.test(str);
+}
+
+
+var Z_ANCHOR = /[^\\]\\Z/;
+function regex(str) {
+  if (Z_ANCHOR.test(str)) return false;
+  try {
+    new RegExp(str);
+    return true;
+  } catch(e) {
+    return false;
+  }
+}
diff --git a/node_modules/ajv/lib/compile/index.js b/node_modules/ajv/lib/compile/index.js
new file mode 100644
index 000000000..97518c424
--- /dev/null
+++ b/node_modules/ajv/lib/compile/index.js
@@ -0,0 +1,387 @@
+'use strict';
+
+var resolve = require('./resolve')
+  , util = require('./util')
+  , errorClasses = require('./error_classes')
+  , stableStringify = require('fast-json-stable-stringify');
+
+var validateGenerator = require('../dotjs/validate');
+
+/**
+ * Functions below are used inside compiled validations function
+ */
+
+var ucs2length = util.ucs2length;
+var equal = require('fast-deep-equal');
+
+// this error is thrown by async schemas to return validation errors via exception
+var ValidationError = errorClasses.Validation;
+
+module.exports = compile;
+
+
+/**
+ * Compiles schema to validation function
+ * @this   Ajv
+ * @param  {Object} schema schema object
+ * @param  {Object} root object with information about the root schema for this schema
+ * @param  {Object} localRefs the hash of local references inside the schema (created by resolve.id), used for inline resolution
+ * @param  {String} baseId base ID for IDs in the schema
+ * @return {Function} validation function
+ */
+function compile(schema, root, localRefs, baseId) {
+  /* jshint validthis: true, evil: true */
+  /* eslint no-shadow: 0 */
+  var self = this
+    , opts = this._opts
+    , refVal = [ undefined ]
+    , refs = {}
+    , patterns = []
+    , patternsHash = {}
+    , defaults = []
+    , defaultsHash = {}
+    , customRules = [];
+
+  root = root || { schema: schema, refVal: refVal, refs: refs };
+
+  var c = checkCompiling.call(this, schema, root, baseId);
+  var compilation = this._compilations[c.index];
+  if (c.compiling) return (compilation.callValidate = callValidate);
+
+  var formats = this._formats;
+  var RULES = this.RULES;
+
+  try {
+    var v = localCompile(schema, root, localRefs, baseId);
+    compilation.validate = v;
+    var cv = compilation.callValidate;
+    if (cv) {
+      cv.schema = v.schema;
+      cv.errors = null;
+      cv.refs = v.refs;
+      cv.refVal = v.refVal;
+      cv.root = v.root;
+      cv.$async = v.$async;
+      if (opts.sourceCode) cv.source = v.source;
+    }
+    return v;
+  } finally {
+    endCompiling.call(this, schema, root, baseId);
+  }
+
+  /* @this   {*} - custom context, see passContext option */
+  function callValidate() {
+    /* jshint validthis: true */
+    var validate = compilation.validate;
+    var result = validate.apply(this, arguments);
+    callValidate.errors = validate.errors;
+    return result;
+  }
+
+  function localCompile(_schema, _root, localRefs, baseId) {
+    var isRoot = !_root || (_root && _root.schema == _schema);
+    if (_root.schema != root.schema)
+      return compile.call(self, _schema, _root, localRefs, baseId);
+
+    var $async = _schema.$async === true;
+
+    var sourceCode = validateGenerator({
+      isTop: true,
+      schema: _schema,
+      isRoot: isRoot,
+      baseId: baseId,
+      root: _root,
+      schemaPath: '',
+      errSchemaPath: '#',
+      errorPath: '""',
+      MissingRefError: errorClasses.MissingRef,
+      RULES: RULES,
+      validate: validateGenerator,
+      util: util,
+      resolve: resolve,
+      resolveRef: resolveRef,
+      usePattern: usePattern,
+      useDefault: useDefault,
+      useCustomRule: useCustomRule,
+      opts: opts,
+      formats: formats,
+      logger: self.logger,
+      self: self
+    });
+
+    sourceCode = vars(refVal, refValCode) + vars(patterns, patternCode)
+                   + vars(defaults, defaultCode) + vars(customRules, customRuleCode)
+                   + sourceCode;
+
+    if (opts.processCode) sourceCode = opts.processCode(sourceCode, _schema);
+    // console.log('\n\n\n *** \n', JSON.stringify(sourceCode));
+    var validate;
+    try {
+      var makeValidate = new Function(
+        'self',
+        'RULES',
+        'formats',
+        'root',
+        'refVal',
+        'defaults',
+        'customRules',
+        'equal',
+        'ucs2length',
+        'ValidationError',
+        sourceCode
+      );
+
+      validate = makeValidate(
+        self,
+        RULES,
+        formats,
+        root,
+        refVal,
+        defaults,
+        customRules,
+        equal,
+        ucs2length,
+        ValidationError
+      );
+
+      refVal[0] = validate;
+    } catch(e) {
+      self.logger.error('Error compiling schema, function code:', sourceCode);
+      throw e;
+    }
+
+    validate.schema = _schema;
+    validate.errors = null;
+    validate.refs = refs;
+    validate.refVal = refVal;
+    validate.root = isRoot ? validate : _root;
+    if ($async) validate.$async = true;
+    if (opts.sourceCode === true) {
+      validate.source = {
+        code: sourceCode,
+        patterns: patterns,
+        defaults: defaults
+      };
+    }
+
+    return validate;
+  }
+
+  function resolveRef(baseId, ref, isRoot) {
+    ref = resolve.url(baseId, ref);
+    var refIndex = refs[ref];
+    var _refVal, refCode;
+    if (refIndex !== undefined) {
+      _refVal = refVal[refIndex];
+      refCode = 'refVal[' + refIndex + ']';
+      return resolvedRef(_refVal, refCode);
+    }
+    if (!isRoot && root.refs) {
+      var rootRefId = root.refs[ref];
+      if (rootRefId !== undefined) {
+        _refVal = root.refVal[rootRefId];
+        refCode = addLocalRef(ref, _refVal);
+        return resolvedRef(_refVal, refCode);
+      }
+    }
+
+    refCode = addLocalRef(ref);
+    var v = resolve.call(self, localCompile, root, ref);
+    if (v === undefined) {
+      var localSchema = localRefs && localRefs[ref];
+      if (localSchema) {
+        v = resolve.inlineRef(localSchema, opts.inlineRefs)
+            ? localSchema
+            : compile.call(self, localSchema, root, localRefs, baseId);
+      }
+    }
+
+    if (v === undefined) {
+      removeLocalRef(ref);
+    } else {
+      replaceLocalRef(ref, v);
+      return resolvedRef(v, refCode);
+    }
+  }
+
+  function addLocalRef(ref, v) {
+    var refId = refVal.length;
+    refVal[refId] = v;
+    refs[ref] = refId;
+    return 'refVal' + refId;
+  }
+
+  function removeLocalRef(ref) {
+    delete refs[ref];
+  }
+
+  function replaceLocalRef(ref, v) {
+    var refId = refs[ref];
+    refVal[refId] = v;
+  }
+
+  function resolvedRef(refVal, code) {
+    return typeof refVal == 'object' || typeof refVal == 'boolean'
+            ? { code: code, schema: refVal, inline: true }
+            : { code: code, $async: refVal && !!refVal.$async };
+  }
+
+  function usePattern(regexStr) {
+    var index = patternsHash[regexStr];
+    if (index === undefined) {
+      index = patternsHash[regexStr] = patterns.length;
+      patterns[index] = regexStr;
+    }
+    return 'pattern' + index;
+  }
+
+  function useDefault(value) {
+    switch (typeof value) {
+      case 'boolean':
+      case 'number':
+        return '' + value;
+      case 'string':
+        return util.toQuotedString(value);
+      case 'object':
+        if (value === null) return 'null';
+        var valueStr = stableStringify(value);
+        var index = defaultsHash[valueStr];
+        if (index === undefined) {
+          index = defaultsHash[valueStr] = defaults.length;
+          defaults[index] = value;
+        }
+        return 'default' + index;
+    }
+  }
+
+  function useCustomRule(rule, schema, parentSchema, it) {
+    if (self._opts.validateSchema !== false) {
+      var deps = rule.definition.dependencies;
+      if (deps && !deps.every(function(keyword) {
+        return Object.prototype.hasOwnProperty.call(parentSchema, keyword);
+      }))
+        throw new Error('parent schema must have all required keywords: ' + deps.join(','));
+
+      var validateSchema = rule.definition.validateSchema;
+      if (validateSchema) {
+        var valid = validateSchema(schema);
+        if (!valid) {
+          var message = 'keyword schema is invalid: ' + self.errorsText(validateSchema.errors);
+          if (self._opts.validateSchema == 'log') self.logger.error(message);
+          else throw new Error(message);
+        }
+      }
+    }
+
+    var compile = rule.definition.compile
+      , inline = rule.definition.inline
+      , macro = rule.definition.macro;
+
+    var validate;
+    if (compile) {
+      validate = compile.call(self, schema, parentSchema, it);
+    } else if (macro) {
+      validate = macro.call(self, schema, parentSchema, it);
+      if (opts.validateSchema !== false) self.validateSchema(validate, true);
+    } else if (inline) {
+      validate = inline.call(self, it, rule.keyword, schema, parentSchema);
+    } else {
+      validate = rule.definition.validate;
+      if (!validate) return;
+    }
+
+    if (validate === undefined)
+      throw new Error('custom keyword "' + rule.keyword + '"failed to compile');
+
+    var index = customRules.length;
+    customRules[index] = validate;
+
+    return {
+      code: 'customRule' + index,
+      validate: validate
+    };
+  }
+}
+
+
+/**
+ * Checks if the schema is currently compiled
+ * @this   Ajv
+ * @param  {Object} schema schema to compile
+ * @param  {Object} root root object
+ * @param  {String} baseId base schema ID
+ * @return {Object} object with properties "index" (compilation index) and "compiling" (boolean)
+ */
+function checkCompiling(schema, root, baseId) {
+  /* jshint validthis: true */
+  var index = compIndex.call(this, schema, root, baseId);
+  if (index >= 0) return { index: index, compiling: true };
+  index = this._compilations.length;
+  this._compilations[index] = {
+    schema: schema,
+    root: root,
+    baseId: baseId
+  };
+  return { index: index, compiling: false };
+}
+
+
+/**
+ * Removes the schema from the currently compiled list
+ * @this   Ajv
+ * @param  {Object} schema schema to compile
+ * @param  {Object} root root object
+ * @param  {String} baseId base schema ID
+ */
+function endCompiling(schema, root, baseId) {
+  /* jshint validthis: true */
+  var i = compIndex.call(this, schema, root, baseId);
+  if (i >= 0) this._compilations.splice(i, 1);
+}
+
+
+/**
+ * Index of schema compilation in the currently compiled list
+ * @this   Ajv
+ * @param  {Object} schema schema to compile
+ * @param  {Object} root root object
+ * @param  {String} baseId base schema ID
+ * @return {Integer} compilation index
+ */
+function compIndex(schema, root, baseId) {
+  /* jshint validthis: true */
+  for (var i=0; i<this._compilations.length; i++) {
+    var c = this._compilations[i];
+    if (c.schema == schema && c.root == root && c.baseId == baseId) return i;
+  }
+  return -1;
+}
+
+
+function patternCode(i, patterns) {
+  return 'var pattern' + i + ' = new RegExp(' + util.toQuotedString(patterns[i]) + ');';
+}
+
+
+function defaultCode(i) {
+  return 'var default' + i + ' = defaults[' + i + '];';
+}
+
+
+function refValCode(i, refVal) {
+  return refVal[i] === undefined ? '' : 'var refVal' + i + ' = refVal[' + i + '];';
+}
+
+
+function customRuleCode(i) {
+  return 'var customRule' + i + ' = customRules[' + i + '];';
+}
+
+
+function vars(arr, statement) {
+  if (!arr.length) return '';
+  var code = '';
+  for (var i=0; i<arr.length; i++)
+    code += statement(i, arr);
+  return code;
+}
diff --git a/node_modules/ajv/lib/compile/resolve.js b/node_modules/ajv/lib/compile/resolve.js
new file mode 100644
index 000000000..66f2aee9b
--- /dev/null
+++ b/node_modules/ajv/lib/compile/resolve.js
@@ -0,0 +1,270 @@
+'use strict';
+
+var URI = require('uri-js')
+  , equal = require('fast-deep-equal')
+  , util = require('./util')
+  , SchemaObject = require('./schema_obj')
+  , traverse = require('json-schema-traverse');
+
+module.exports = resolve;
+
+resolve.normalizeId = normalizeId;
+resolve.fullPath = getFullPath;
+resolve.url = resolveUrl;
+resolve.ids = resolveIds;
+resolve.inlineRef = inlineRef;
+resolve.schema = resolveSchema;
+
+/**
+ * [resolve and compile the references ($ref)]
+ * @this   Ajv
+ * @param  {Function} compile reference to schema compilation funciton (localCompile)
+ * @param  {Object} root object with information about the root schema for the current schema
+ * @param  {String} ref reference to resolve
+ * @return {Object|Function} schema object (if the schema can be inlined) or validation function
+ */
+function resolve(compile, root, ref) {
+  /* jshint validthis: true */
+  var refVal = this._refs[ref];
+  if (typeof refVal == 'string') {
+    if (this._refs[refVal]) refVal = this._refs[refVal];
+    else return resolve.call(this, compile, root, refVal);
+  }
+
+  refVal = refVal || this._schemas[ref];
+  if (refVal instanceof SchemaObject) {
+    return inlineRef(refVal.schema, this._opts.inlineRefs)
+            ? refVal.schema
+            : refVal.validate || this._compile(refVal);
+  }
+
+  var res = resolveSchema.call(this, root, ref);
+  var schema, v, baseId;
+  if (res) {
+    schema = res.schema;
+    root = res.root;
+    baseId = res.baseId;
+  }
+
+  if (schema instanceof SchemaObject) {
+    v = schema.validate || compile.call(this, schema.schema, root, undefined, baseId);
+  } else if (schema !== undefined) {
+    v = inlineRef(schema, this._opts.inlineRefs)
+        ? schema
+        : compile.call(this, schema, root, undefined, baseId);
+  }
+
+  return v;
+}
+
+
+/**
+ * Resolve schema, its root and baseId
+ * @this Ajv
+ * @param  {Object} root root object with properties schema, refVal, refs
+ * @param  {String} ref  reference to resolve
+ * @return {Object} object with properties schema, root, baseId
+ */
+function resolveSchema(root, ref) {
+  /* jshint validthis: true */
+  var p = URI.parse(ref)
+    , refPath = _getFullPath(p)
+    , baseId = getFullPath(this._getId(root.schema));
+  if (Object.keys(root.schema).length === 0 || refPath !== baseId) {
+    var id = normalizeId(refPath);
+    var refVal = this._refs[id];
+    if (typeof refVal == 'string') {
+      return resolveRecursive.call(this, root, refVal, p);
+    } else if (refVal instanceof SchemaObject) {
+      if (!refVal.validate) this._compile(refVal);
+      root = refVal;
+    } else {
+      refVal = this._schemas[id];
+      if (refVal instanceof SchemaObject) {
+        if (!refVal.validate) this._compile(refVal);
+        if (id == normalizeId(ref))
+          return { schema: refVal, root: root, baseId: baseId };
+        root = refVal;
+      } else {
+        return;
+      }
+    }
+    if (!root.schema) return;
+    baseId = getFullPath(this._getId(root.schema));
+  }
+  return getJsonPointer.call(this, p, baseId, root.schema, root);
+}
+
+
+/* @this Ajv */
+function resolveRecursive(root, ref, parsedRef) {
+  /* jshint validthis: true */
+  var res = resolveSchema.call(this, root, ref);
+  if (res) {
+    var schema = res.schema;
+    var baseId = res.baseId;
+    root = res.root;
+    var id = this._getId(schema);
+    if (id) baseId = resolveUrl(baseId, id);
+    return getJsonPointer.call(this, parsedRef, baseId, schema, root);
+  }
+}
+
+
+var PREVENT_SCOPE_CHANGE = util.toHash(['properties', 'patternProperties', 'enum', 'dependencies', 'definitions']);
+/* @this Ajv */
+function getJsonPointer(parsedRef, baseId, schema, root) {
+  /* jshint validthis: true */
+  parsedRef.fragment = parsedRef.fragment || '';
+  if (parsedRef.fragment.slice(0,1) != '/') return;
+  var parts = parsedRef.fragment.split('/');
+
+  for (var i = 1; i < parts.length; i++) {
+    var part = parts[i];
+    if (part) {
+      part = util.unescapeFragment(part);
+      schema = schema[part];
+      if (schema === undefined) break;
+      var id;
+      if (!PREVENT_SCOPE_CHANGE[part]) {
+        id = this._getId(schema);
+        if (id) baseId = resolveUrl(baseId, id);
+        if (schema.$ref) {
+          var $ref = resolveUrl(baseId, schema.$ref);
+          var res = resolveSchema.call(this, root, $ref);
+          if (res) {
+            schema = res.schema;
+            root = res.root;
+            baseId = res.baseId;
+          }
+        }
+      }
+    }
+  }
+  if (schema !== undefined && schema !== root.schema)
+    return { schema: schema, root: root, baseId: baseId };
+}
+
+
+var SIMPLE_INLINED = util.toHash([
+  'type', 'format', 'pattern',
+  'maxLength', 'minLength',
+  'maxProperties', 'minProperties',
+  'maxItems', 'minItems',
+  'maximum', 'minimum',
+  'uniqueItems', 'multipleOf',
+  'required', 'enum'
+]);
+function inlineRef(schema, limit) {
+  if (limit === false) return false;
+  if (limit === undefined || limit === true) return checkNoRef(schema);
+  else if (limit) return countKeys(schema) <= limit;
+}
+
+
+function checkNoRef(schema) {
+  var item;
+  if (Array.isArray(schema)) {
+    for (var i=0; i<schema.length; i++) {
+      item = schema[i];
+      if (typeof item == 'object' && !checkNoRef(item)) return false;
+    }
+  } else {
+    for (var key in schema) {
+      if (key == '$ref') return false;
+      item = schema[key];
+      if (typeof item == 'object' && !checkNoRef(item)) return false;
+    }
+  }
+  return true;
+}
+
+
+function countKeys(schema) {
+  var count = 0, item;
+  if (Array.isArray(schema)) {
+    for (var i=0; i<schema.length; i++) {
+      item = schema[i];
+      if (typeof item == 'object') count += countKeys(item);
+      if (count == Infinity) return Infinity;
+    }
+  } else {
+    for (var key in schema) {
+      if (key == '$ref') return Infinity;
+      if (SIMPLE_INLINED[key]) {
+        count++;
+      } else {
+        item = schema[key];
+        if (typeof item == 'object') count += countKeys(item) + 1;
+        if (count == Infinity) return Infinity;
+      }
+    }
+  }
+  return count;
+}
+
+
+function getFullPath(id, normalize) {
+  if (normalize !== false) id = normalizeId(id);
+  var p = URI.parse(id);
+  return _getFullPath(p);
+}
+
+
+function _getFullPath(p) {
+  return URI.serialize(p).split('#')[0] + '#';
+}
+
+
+var TRAILING_SLASH_HASH = /#\/?$/;
+function normalizeId(id) {
+  return id ? id.replace(TRAILING_SLASH_HASH, '') : '';
+}
+
+
+function resolveUrl(baseId, id) {
+  id = normalizeId(id);
+  return URI.resolve(baseId, id);
+}
+
+
+/* @this Ajv */
+function resolveIds(schema) {
+  var schemaId = normalizeId(this._getId(schema));
+  var baseIds = {'': schemaId};
+  var fullPaths = {'': getFullPath(schemaId, false)};
+  var localRefs = {};
+  var self = this;
+
+  traverse(schema, {allKeys: true}, function(sch, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) {
+    if (jsonPtr === '') return;
+    var id = self._getId(sch);
+    var baseId = baseIds[parentJsonPtr];
+    var fullPath = fullPaths[parentJsonPtr] + '/' + parentKeyword;
+    if (keyIndex !== undefined)
+      fullPath += '/' + (typeof keyIndex == 'number' ? keyIndex : util.escapeFragment(keyIndex));
+
+    if (typeof id == 'string') {
+      id = baseId = normalizeId(baseId ? URI.resolve(baseId, id) : id);
+
+      var refVal = self._refs[id];
+      if (typeof refVal == 'string') refVal = self._refs[refVal];
+      if (refVal && refVal.schema) {
+        if (!equal(sch, refVal.schema))
+          throw new Error('id "' + id + '" resolves to more than one schema');
+      } else if (id != normalizeId(fullPath)) {
+        if (id[0] == '#') {
+          if (localRefs[id] && !equal(sch, localRefs[id]))
+            throw new Error('id "' + id + '" resolves to more than one schema');
+          localRefs[id] = sch;
+        } else {
+          self._refs[id] = fullPath;
+        }
+      }
+    }
+    baseIds[jsonPtr] = baseId;
+    fullPaths[jsonPtr] = fullPath;
+  });
+
+  return localRefs;
+}
diff --git a/node_modules/ajv/lib/compile/rules.js b/node_modules/ajv/lib/compile/rules.js
new file mode 100644
index 000000000..08b25aeb9
--- /dev/null
+++ b/node_modules/ajv/lib/compile/rules.js
@@ -0,0 +1,66 @@
+'use strict';
+
+var ruleModules = require('../dotjs')
+  , toHash = require('./util').toHash;
+
+module.exports = function rules() {
+  var RULES = [
+    { type: 'number',
+      rules: [ { 'maximum': ['exclusiveMaximum'] },
+               { 'minimum': ['exclusiveMinimum'] }, 'multipleOf', 'format'] },
+    { type: 'string',
+      rules: [ 'maxLength', 'minLength', 'pattern', 'format' ] },
+    { type: 'array',
+      rules: [ 'maxItems', 'minItems', 'items', 'contains', 'uniqueItems' ] },
+    { type: 'object',
+      rules: [ 'maxProperties', 'minProperties', 'required', 'dependencies', 'propertyNames',
+               { 'properties': ['additionalProperties', 'patternProperties'] } ] },
+    { rules: [ '$ref', 'const', 'enum', 'not', 'anyOf', 'oneOf', 'allOf', 'if' ] }
+  ];
+
+  var ALL = [ 'type', '$comment' ];
+  var KEYWORDS = [
+    '$schema', '$id', 'id', '$data', '$async', 'title',
+    'description', 'default', 'definitions',
+    'examples', 'readOnly', 'writeOnly',
+    'contentMediaType', 'contentEncoding',
+    'additionalItems', 'then', 'else'
+  ];
+  var TYPES = [ 'number', 'integer', 'string', 'array', 'object', 'boolean', 'null' ];
+  RULES.all = toHash(ALL);
+  RULES.types = toHash(TYPES);
+
+  RULES.forEach(function (group) {
+    group.rules = group.rules.map(function (keyword) {
+      var implKeywords;
+      if (typeof keyword == 'object') {
+        var key = Object.keys(keyword)[0];
+        implKeywords = keyword[key];
+        keyword = key;
+        implKeywords.forEach(function (k) {
+          ALL.push(k);
+          RULES.all[k] = true;
+        });
+      }
+      ALL.push(keyword);
+      var rule = RULES.all[keyword] = {
+        keyword: keyword,
+        code: ruleModules[keyword],
+        implements: implKeywords
+      };
+      return rule;
+    });
+
+    RULES.all.$comment = {
+      keyword: '$comment',
+      code: ruleModules.$comment
+    };
+
+    if (group.type) RULES.types[group.type] = group;
+  });
+
+  RULES.keywords = toHash(ALL.concat(KEYWORDS));
+  RULES.custom = {};
+
+  return RULES;
+};
diff --git a/node_modules/ajv/lib/compile/schema_obj.js b/node_modules/ajv/lib/compile/schema_obj.js
new file mode 100644
index 000000000..e7903b0f4
--- /dev/null
+++ b/node_modules/ajv/lib/compile/schema_obj.js
@@ -0,0 +1,9 @@
+'use strict';
+
+var util = require('./util');
+
+module.exports = SchemaObject;
+
+function SchemaObject(obj) {
+  util.copy(obj, this);
+}
diff --git a/node_modules/ajv/lib/compile/ucs2length.js b/node_modules/ajv/lib/compile/ucs2length.js
new file mode 100644
index 000000000..d193fb170
--- /dev/null
+++ b/node_modules/ajv/lib/compile/ucs2length.js
@@ -0,0 +1,20 @@
+'use strict';
+
+// https://mathiasbynens.be/notes/javascript-encoding
+// https://github.com/bestiejs/punycode.js - punycode.ucs2.decode
+module.exports = function ucs2length(str) {
+  var length = 0
+    , len = str.length
+    , pos = 0
+    , value;
+  while (pos < len) {
+    length++;
+    value = str.charCodeAt(pos++);
+    if (value >= 0xD800 && value <= 0xDBFF && pos < len) {
+      // high surrogate, and there is a next character
+      value = str.charCodeAt(pos);
+      if ((value & 0xFC00) == 0xDC00) pos++; // low surrogate
+    }
+  }
+  return length;
+};
diff --git a/node_modules/ajv/lib/compile/util.js b/node_modules/ajv/lib/compile/util.js
new file mode 100644
index 000000000..ef07b8c75
--- /dev/null
+++ b/node_modules/ajv/lib/compile/util.js
@@ -0,0 +1,239 @@
+'use strict';
+
+
+module.exports = {
+  copy: copy,
+  checkDataType: checkDataType,
+  checkDataTypes: checkDataTypes,
+  coerceToTypes: coerceToTypes,
+  toHash: toHash,
+  getProperty: getProperty,
+  escapeQuotes: escapeQuotes,
+  equal: require('fast-deep-equal'),
+  ucs2length: require('./ucs2length'),
+  varOccurences: varOccurences,
+  varReplace: varReplace,
+  schemaHasRules: schemaHasRules,
+  schemaHasRulesExcept: schemaHasRulesExcept,
+  schemaUnknownRules: schemaUnknownRules,
+  toQuotedString: toQuotedString,
+  getPathExpr: getPathExpr,
+  getPath: getPath,
+  getData: getData,
+  unescapeFragment: unescapeFragment,
+  unescapeJsonPointer: unescapeJsonPointer,
+  escapeFragment: escapeFragment,
+  escapeJsonPointer: escapeJsonPointer
+};
+
+
+function copy(o, to) {
+  to = to || {};
+  for (var key in o) to[key] = o[key];
+  return to;
+}
+
+
+function checkDataType(dataType, data, strictNumbers, negate) {
+  var EQUAL = negate ? ' !== ' : ' === '
+    , AND = negate ? ' || ' : ' && '
+    , OK = negate ? '!' : ''
+    , NOT = negate ? '' : '!';
+  switch (dataType) {
+    case 'null': return data + EQUAL + 'null';
+    case 'array': return OK + 'Array.isArray(' + data + ')';
+    case 'object': return '(' + OK + data + AND +
+                          'typeof ' + data + EQUAL + '"object"' + AND +
+                          NOT + 'Array.isArray(' + data + '))';
+    case 'integer': return '(typeof ' + data + EQUAL + '"number"' + AND +
+                           NOT + '(' + data + ' % 1)' +
+                           AND + data + EQUAL + data +
+                           (strictNumbers ? (AND + OK + 'isFinite(' + data + ')') : '') + ')';
+    case 'number': return '(typeof ' + data + EQUAL + '"' + dataType + '"' +
+                          (strictNumbers ? (AND + OK + 'isFinite(' + data + ')') : '') + ')';
+    default: return 'typeof ' + data + EQUAL + '"' + dataType + '"';
+  }
+}
+
+
+function checkDataTypes(dataTypes, data, strictNumbers) {
+  switch (dataTypes.length) {
+    case 1: return checkDataType(dataTypes[0], data, strictNumbers, true);
+    default:
+      var code = '';
+      var types = toHash(dataTypes);
+      if (types.array && types.object) {
+        code = types.null ? '(': '(!' + data + ' || ';
+        code += 'typeof ' + data + ' !== "object")';
+        delete types.null;
+        delete types.array;
+        delete types.object;
+      }
+      if (types.number) delete types.integer;
+      for (var t in types)
+        code += (code ? ' && ' : '' ) + checkDataType(t, data, strictNumbers, true);
+
+      return code;
+  }
+}
+
+
+var COERCE_TO_TYPES = toHash([ 'string', 'number', 'integer', 'boolean', 'null' ]);
+function coerceToTypes(optionCoerceTypes, dataTypes) {
+  if (Array.isArray(dataTypes)) {
+    var types = [];
+    for (var i=0; i<dataTypes.length; i++) {
+      var t = dataTypes[i];
+      if (COERCE_TO_TYPES[t]) types[types.length] = t;
+      else if (optionCoerceTypes === 'array' && t === 'array') types[types.length] = t;
+    }
+    if (types.length) return types;
+  } else if (COERCE_TO_TYPES[dataTypes]) {
+    return [dataTypes];
+  } else if (optionCoerceTypes === 'array' && dataTypes === 'array') {
+    return ['array'];
+  }
+}
+
+
+function toHash(arr) {
+  var hash = {};
+  for (var i=0; i<arr.length; i++) hash[arr[i]] = true;
+  return hash;
+}
+
+
+var IDENTIFIER = /^[a-z$_][a-z$_0-9]*$/i;
+var SINGLE_QUOTE = /'|\\/g;
+function getProperty(key) {
+  return typeof key == 'number'
+          ? '[' + key + ']'
+          : IDENTIFIER.test(key)
+            ? '.' + key
+            : "['" + escapeQuotes(key) + "']";
+}
+
+
+function escapeQuotes(str) {
+  return str.replace(SINGLE_QUOTE, '\\$&')
+            .replace(/\n/g, '\\n')
+            .replace(/\r/g, '\\r')
+            .replace(/\f/g, '\\f')
+            .replace(/\t/g, '\\t');
+}
+
+
+function varOccurences(str, dataVar) {
+  dataVar += '[^0-9]';
+  var matches = str.match(new RegExp(dataVar, 'g'));
+  return matches ? matches.length : 0;
+}
+
+
+function varReplace(str, dataVar, expr) {
+  dataVar += '([^0-9])';
+  expr = expr.replace(/\$/g, '$$$$');
+  return str.replace(new RegExp(dataVar, 'g'), expr + '$1');
+}
+
+
+function schemaHasRules(schema, rules) {
+  if (typeof schema == 'boolean') return !schema;
+  for (var key in schema) if (rules[key]) return true;
+}
+
+
+function schemaHasRulesExcept(schema, rules, exceptKeyword) {
+  if (typeof schema == 'boolean') return !schema && exceptKeyword != 'not';
+  for (var key in schema) if (key != exceptKeyword && rules[key]) return true;
+}
+
+
+function schemaUnknownRules(schema, rules) {
+  if (typeof schema == 'boolean') return;
+  for (var key in schema) if (!rules[key]) return key;
+}
+
+
+function toQuotedString(str) {
+  return '\'' + escapeQuotes(str) + '\'';
+}
+
+
+function getPathExpr(currentPath, expr, jsonPointers, isNumber) {
+  var path = jsonPointers // false by default
+              ? '\'/\' + ' + expr + (isNumber ? '' : '.replace(/~/g, \'~0\').replace(/\\//g, \'~1\')')
+              : (isNumber ? '\'[\' + ' + expr + ' + \']\'' : '\'[\\\'\' + ' + expr + ' + \'\\\']\'');
+  return joinPaths(currentPath, path);
+}
+
+
+function getPath(currentPath, prop, jsonPointers) {
+  var path = jsonPointers // false by default
+              ? toQuotedString('/' + escapeJsonPointer(prop))
+              : toQuotedString(getProperty(prop));
+  return joinPaths(currentPath, path);
+}
+
+
+var JSON_POINTER = /^\/(?:[^~]|~0|~1)*$/;
+var RELATIVE_JSON_POINTER = /^([0-9]+)(#|\/(?:[^~]|~0|~1)*)?$/;
+function getData($data, lvl, paths) {
+  var up, jsonPointer, data, matches;
+  if ($data === '') return 'rootData';
+  if ($data[0] == '/') {
+    if (!JSON_POINTER.test($data)) throw new Error('Invalid JSON-pointer: ' + $data);
+    jsonPointer = $data;
+    data = 'rootData';
+  } else {
+    matches = $data.match(RELATIVE_JSON_POINTER);
+    if (!matches) throw new Error('Invalid JSON-pointer: ' + $data);
+    up = +matches[1];
+    jsonPointer = matches[2];
+    if (jsonPointer == '#') {
+      if (up >= lvl) throw new Error('Cannot access property/index ' + up + ' levels up, current level is ' + lvl);
+      return paths[lvl - up];
+    }
+
+    if (up > lvl) throw new Error('Cannot access data ' + up + ' levels up, current level is ' + lvl);
+    data = 'data' + ((lvl - up) || '');
+    if (!jsonPointer) return data;
+  }
+
+  var expr = data;
+  var segments = jsonPointer.split('/');
+  for (var i=0; i<segments.length; i++) {
+    var segment = segments[i];
+    if (segment) {
+      data += getProperty(unescapeJsonPointer(segment));
+      expr += ' && ' + data;
+    }
+  }
+  return expr;
+}
+
+
+function joinPaths (a, b) {
+  if (a == '""') return b;
+  return (a + ' + ' + b).replace(/([^\\])' \+ '/g, '$1');
+}
+
+
+function unescapeFragment(str) {
+  return unescapeJsonPointer(decodeURIComponent(str));
+}
+
+
+function escapeFragment(str) {
+  return encodeURIComponent(escapeJsonPointer(str));
+}
+
+
+function escapeJsonPointer(str) {
+  return str.replace(/~/g, '~0').replace(/\//g, '~1');
+}
+
+
+function unescapeJsonPointer(str) {
+  return str.replace(/~1/g, '/').replace(/~0/g, '~');
+}
diff --git a/node_modules/ajv/lib/data.js b/node_modules/ajv/lib/data.js
new file mode 100644
index 000000000..f11142bec
--- /dev/null
+++ b/node_modules/ajv/lib/data.js
@@ -0,0 +1,49 @@
+'use strict';
+
+var KEYWORDS = [
+  'multipleOf',
+  'maximum',
+  'exclusiveMaximum',
+  'minimum',
+  'exclusiveMinimum',
+  'maxLength',
+  'minLength',
+  'pattern',
+  'additionalItems',
+  'maxItems',
+  'minItems',
+  'uniqueItems',
+  'maxProperties',
+  'minProperties',
+  'required',
+  'additionalProperties',
+  'enum',
+  'format',
+  'const'
+];
+
+module.exports = function (metaSchema, keywordsJsonPointers) {
+  for (var i=0; i<keywordsJsonPointers.length; i++) {
+    metaSchema = JSON.parse(JSON.stringify(metaSchema));
+    var segments = keywordsJsonPointers[i].split('/');
+    var keywords = metaSchema;
+    var j;
+    for (j=1; j<segments.length; j++)
+      keywords = keywords[segments[j]];
+
+    for (j=0; j<KEYWORDS.length; j++) {
+      var key = KEYWORDS[j];
+      var schema = keywords[key];
+      if (schema) {
+        keywords[key] = {
+          anyOf: [
+            schema,
+            { $ref: 'https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#' }
+          ]
+        };
+      }
+    }
+  }
+
+  return metaSchema;
+};
diff --git a/node_modules/ajv/lib/definition_schema.js b/node_modules/ajv/lib/definition_schema.js
new file mode 100644
index 000000000..ad86d4f0b
--- /dev/null
+++ b/node_modules/ajv/lib/definition_schema.js
@@ -0,0 +1,37 @@
+'use strict';
+
+var metaSchema = require('./refs/json-schema-draft-07.json');
+
+module.exports = {
+  $id: 'https://github.com/ajv-validator/ajv/blob/master/lib/definition_schema.js',
+  definitions: {
+    simpleTypes: metaSchema.definitions.simpleTypes
+  },
+  type: 'object',
+  dependencies: {
+    schema: ['validate'],
+    $data: ['validate'],
+    statements: ['inline'],
+    valid: {not: {required: ['macro']}}
+  },
+  properties: {
+    type: metaSchema.properties.type,
+    schema: {type: 'boolean'},
+    statements: {type: 'boolean'},
+    dependencies: {
+      type: 'array',
+      items: {type: 'string'}
+    },
+    metaSchema: {type: 'object'},
+    modifying: {type: 'boolean'},
+    valid: {type: 'boolean'},
+    $data: {type: 'boolean'},
+    async: {type: 'boolean'},
+    errors: {
+      anyOf: [
+        {type: 'boolean'},
+        {const: 'full'}
+      ]
+    }
+  }
+};
diff --git a/node_modules/ajv/lib/dot/_limit.jst b/node_modules/ajv/lib/dot/_limit.jst
new file mode 100644
index 000000000..f15218922
--- /dev/null
+++ b/node_modules/ajv/lib/dot/_limit.jst
@@ -0,0 +1,113 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{## def.setExclusiveLimit:
+  $exclusive = true;
+  $errorKeyword = $exclusiveKeyword;
+  $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+#}}
+
+{{
+  var $isMax = $keyword == 'maximum'
+    , $exclusiveKeyword = $isMax ? 'exclusiveMaximum' : 'exclusiveMinimum'
+    , $schemaExcl = it.schema[$exclusiveKeyword]
+    , $isDataExcl = it.opts.$data && $schemaExcl && $schemaExcl.$data
+    , $op = $isMax ? '<' : '>'
+    , $notOp = $isMax ? '>' : '<'
+    , $errorKeyword = undefined;
+
+  if (!($isData || typeof $schema == 'number' || $schema === undefined)) {
+    throw new Error($keyword + ' must be number');
+  }
+  if (!($isDataExcl || $schemaExcl === undefined
+                    || typeof $schemaExcl == 'number'
+                    || typeof $schemaExcl == 'boolean')) {
+    throw new Error($exclusiveKeyword + ' must be number or boolean');
+  }
+}}
+
+{{? $isDataExcl }}
+  {{
+    var $schemaValueExcl = it.util.getData($schemaExcl.$data, $dataLvl, it.dataPathArr)
+      , $exclusive = 'exclusive' + $lvl
+      , $exclType = 'exclType' + $lvl
+      , $exclIsNumber = 'exclIsNumber' + $lvl
+      , $opExpr = 'op' + $lvl
+      , $opStr = '\' + ' + $opExpr + ' + \'';
+  }}
+  var schemaExcl{{=$lvl}} = {{=$schemaValueExcl}};
+  {{ $schemaValueExcl = 'schemaExcl' + $lvl; }}
+
+  var {{=$exclusive}};
+  var {{=$exclType}} = typeof {{=$schemaValueExcl}};
+  if ({{=$exclType}} != 'boolean' && {{=$exclType}} != 'undefined' && {{=$exclType}} != 'number') {
+    {{ var $errorKeyword = $exclusiveKeyword; }}
+    {{# def.error:'_exclusiveLimit' }}
+  } else if ({{# def.$dataNotType:'number' }}
+            {{=$exclType}} == 'number'
+              ? (
+                  ({{=$exclusive}} = {{=$schemaValue}} === undefined || {{=$schemaValueExcl}} {{=$op}}= {{=$schemaValue}})
+                    ? {{=$data}} {{=$notOp}}= {{=$schemaValueExcl}}
+                    : {{=$data}} {{=$notOp}} {{=$schemaValue}}
+                )
+              : (
+                  ({{=$exclusive}} = {{=$schemaValueExcl}} === true)
+                    ? {{=$data}} {{=$notOp}}= {{=$schemaValue}}
+                    : {{=$data}} {{=$notOp}} {{=$schemaValue}}
+                )
+            || {{=$data}} !== {{=$data}}) {
+    var op{{=$lvl}} = {{=$exclusive}} ? '{{=$op}}' : '{{=$op}}=';
+    {{
+      if ($schema === undefined) {
+        $errorKeyword = $exclusiveKeyword;
+        $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+        $schemaValue = $schemaValueExcl;
+        $isData = $isDataExcl;
+      }
+    }}
+{{??}}
+  {{
+    var $exclIsNumber = typeof $schemaExcl == 'number'
+      , $opStr = $op;  /*used in error*/
+  }}
+
+  {{? $exclIsNumber && $isData }}
+    {{ var $opExpr = '\'' + $opStr + '\''; /*used in error*/ }}
+    if ({{# def.$dataNotType:'number' }}
+        ( {{=$schemaValue}} === undefined
+          || {{=$schemaExcl}} {{=$op}}= {{=$schemaValue}}
+            ? {{=$data}} {{=$notOp}}= {{=$schemaExcl}}
+            : {{=$data}} {{=$notOp}} {{=$schemaValue}} )
+        || {{=$data}} !== {{=$data}}) {
+  {{??}}
+    {{
+      if ($exclIsNumber && $schema === undefined) {
+          {{# def.setExclusiveLimit }}
+          $schemaValue = $schemaExcl;
+          $notOp += '=';
+      } else {
+        if ($exclIsNumber)
+          $schemaValue = Math[$isMax ? 'min' : 'max']($schemaExcl, $schema);
+
+        if ($schemaExcl === ($exclIsNumber ? $schemaValue : true)) {
+          {{# def.setExclusiveLimit }}
+          $notOp += '=';
+        } else {
+          $exclusive = false;
+          $opStr += '=';
+        }
+      }
+
+      var $opExpr = '\'' + $opStr + '\''; /*used in error*/
+    }}
+
+    if ({{# def.$dataNotType:'number' }}
+        {{=$data}} {{=$notOp}} {{=$schemaValue}}
+        || {{=$data}} !== {{=$data}}) {
+  {{?}}
+{{?}}
+    {{ $errorKeyword = $errorKeyword || $keyword; }}
+    {{# def.error:'_limit' }}
+  } {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/_limitItems.jst b/node_modules/ajv/lib/dot/_limitItems.jst
new file mode 100644
index 000000000..741329e77
--- /dev/null
+++ b/node_modules/ajv/lib/dot/_limitItems.jst
@@ -0,0 +1,12 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{# def.numberKeyword }}
+
+{{ var $op = $keyword == 'maxItems' ? '>' : '<'; }}
+if ({{# def.$dataNotType:'number' }} {{=$data}}.length {{=$op}} {{=$schemaValue}}) {
+  {{ var $errorKeyword = $keyword; }}
+  {{# def.error:'_limitItems' }}
+} {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/_limitLength.jst b/node_modules/ajv/lib/dot/_limitLength.jst
new file mode 100644
index 000000000..285c66bd2
--- /dev/null
+++ b/node_modules/ajv/lib/dot/_limitLength.jst
@@ -0,0 +1,12 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{# def.numberKeyword }}
+
+{{ var $op = $keyword == 'maxLength' ? '>' : '<'; }}
+if ({{# def.$dataNotType:'number' }} {{# def.strLength }} {{=$op}} {{=$schemaValue}}) {
+  {{ var $errorKeyword = $keyword; }}
+  {{# def.error:'_limitLength' }}
+} {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/_limitProperties.jst b/node_modules/ajv/lib/dot/_limitProperties.jst
new file mode 100644
index 000000000..c4c21551a
--- /dev/null
+++ b/node_modules/ajv/lib/dot/_limitProperties.jst
@@ -0,0 +1,12 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{# def.numberKeyword }}
+
+{{ var $op = $keyword == 'maxProperties' ? '>' : '<'; }}
+if ({{# def.$dataNotType:'number' }} Object.keys({{=$data}}).length {{=$op}} {{=$schemaValue}}) {
+  {{ var $errorKeyword = $keyword; }}
+  {{# def.error:'_limitProperties' }}
+} {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/allOf.jst b/node_modules/ajv/lib/dot/allOf.jst
new file mode 100644
index 000000000..0e782fe98
--- /dev/null
+++ b/node_modules/ajv/lib/dot/allOf.jst
@@ -0,0 +1,32 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+{{
+  var $currentBaseId = $it.baseId
+    , $allSchemasEmpty = true;
+}}
+
+{{~ $schema:$sch:$i }}
+  {{? {{# def.nonEmptySchema:$sch }} }}
+    {{
+      $allSchemasEmpty = false;
+      $it.schema = $sch;
+      $it.schemaPath = $schemaPath + '[' + $i + ']';
+      $it.errSchemaPath = $errSchemaPath + '/' + $i;
+    }}
+
+    {{# def.insertSubschemaCode }}
+
+    {{# def.ifResultValid }}
+  {{?}}
+{{~}}
+
+{{? $breakOnError }}
+  {{? $allSchemasEmpty }}
+    if (true) {
+  {{??}}
+    {{= $closingBraces.slice(0,-1) }}
+  {{?}}
+{{?}}
diff --git a/node_modules/ajv/lib/dot/anyOf.jst b/node_modules/ajv/lib/dot/anyOf.jst
new file mode 100644
index 000000000..ea909ee62
--- /dev/null
+++ b/node_modules/ajv/lib/dot/anyOf.jst
@@ -0,0 +1,46 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+{{
+  var $noEmptySchema = $schema.every(function($sch) {
+    return {{# def.nonEmptySchema:$sch }};
+  });
+}}
+{{? $noEmptySchema }}
+  {{ var $currentBaseId = $it.baseId; }}
+  var {{=$errs}} = errors;
+  var {{=$valid}} = false;
+
+  {{# def.setCompositeRule }}
+
+  {{~ $schema:$sch:$i }}
+    {{
+      $it.schema = $sch;
+      $it.schemaPath = $schemaPath + '[' + $i + ']';
+      $it.errSchemaPath = $errSchemaPath + '/' + $i;
+    }}
+
+    {{# def.insertSubschemaCode }}
+
+    {{=$valid}} = {{=$valid}} || {{=$nextValid}};
+
+    if (!{{=$valid}}) {
+    {{ $closingBraces += '}'; }}
+  {{~}}
+
+  {{# def.resetCompositeRule }}
+
+  {{= $closingBraces }}
+
+  if (!{{=$valid}}) {
+    {{# def.extraError:'anyOf' }}
+  } else {
+    {{# def.resetErrors }}
+  {{? it.opts.allErrors }} } {{?}}
+{{??}}
+  {{? $breakOnError }}
+    if (true) {
+  {{?}}
+{{?}}
diff --git a/node_modules/ajv/lib/dot/coerce.def b/node_modules/ajv/lib/dot/coerce.def
new file mode 100644
index 000000000..c947ed6af
--- /dev/null
+++ b/node_modules/ajv/lib/dot/coerce.def
@@ -0,0 +1,51 @@
+{{## def.coerceType:
+  {{
+    var $dataType = 'dataType' + $lvl
+      , $coerced = 'coerced' + $lvl;
+  }}
+  var {{=$dataType}} = typeof {{=$data}};
+  var {{=$coerced}} = undefined;
+
+  {{? it.opts.coerceTypes == 'array' }}
+    if ({{=$dataType}} == 'object' && Array.isArray({{=$data}}) && {{=$data}}.length == 1) {
+      {{=$data}} = {{=$data}}[0];
+      {{=$dataType}} = typeof {{=$data}};
+      if ({{=it.util.checkDataType(it.schema.type, $data, it.opts.strictNumbers)}}) {{=$coerced}} = {{=$data}};
+    }
+  {{?}}
+
+  if ({{=$coerced}} !== undefined) ;
+  {{~ $coerceToTypes:$type:$i }}
+    {{? $type == 'string' }}
+      else if ({{=$dataType}} == 'number' || {{=$dataType}} == 'boolean')
+        {{=$coerced}} = '' + {{=$data}};
+      else if ({{=$data}} === null) {{=$coerced}} = '';
+    {{?? $type == 'number' || $type == 'integer' }}
+      else if ({{=$dataType}} == 'boolean' || {{=$data}} === null
+          || ({{=$dataType}} == 'string' && {{=$data}} && {{=$data}} == +{{=$data}}
+          {{? $type == 'integer' }} && !({{=$data}} % 1){{?}}))
+        {{=$coerced}} = +{{=$data}};
+    {{?? $type == 'boolean' }}
+      else if ({{=$data}} === 'false' || {{=$data}} === 0 || {{=$data}} === null)
+        {{=$coerced}} = false;
+      else if ({{=$data}} === 'true' || {{=$data}} === 1)
+        {{=$coerced}} = true;
+    {{?? $type == 'null' }}
+      else if ({{=$data}} === '' || {{=$data}} === 0 || {{=$data}} === false)
+        {{=$coerced}} = null;
+    {{?? it.opts.coerceTypes == 'array' && $type == 'array' }}
+      else if ({{=$dataType}} == 'string' || {{=$dataType}} == 'number' || {{=$dataType}} == 'boolean' || {{=$data}} == null)
+        {{=$coerced}} = [{{=$data}}];
+    {{?}}
+  {{~}}
+  else {
+    {{# def.error:'type' }}
+  }
+
+  if ({{=$coerced}} !== undefined) {
+    {{# def.setParentData }}
+    {{=$data}} = {{=$coerced}};
+    {{? !$dataLvl }}if ({{=$parentData}} !== undefined){{?}}
+      {{=$parentData}}[{{=$parentDataProperty}}] = {{=$coerced}};
+  }
+#}}
diff --git a/node_modules/ajv/lib/dot/comment.jst b/node_modules/ajv/lib/dot/comment.jst
new file mode 100644
index 000000000..f95915035
--- /dev/null
+++ b/node_modules/ajv/lib/dot/comment.jst
@@ -0,0 +1,9 @@
+{{# def.definitions }}
+{{# def.setupKeyword }}
+
+{{ var $comment = it.util.toQuotedString($schema); }}
+{{? it.opts.$comment === true }}
+  console.log({{=$comment}});
+{{?? typeof it.opts.$comment == 'function' }}
+  self._opts.$comment({{=$comment}}, {{=it.util.toQuotedString($errSchemaPath)}}, validate.root.schema);
+{{?}}
diff --git a/node_modules/ajv/lib/dot/const.jst b/node_modules/ajv/lib/dot/const.jst
new file mode 100644
index 000000000..2aa22980d
--- /dev/null
+++ b/node_modules/ajv/lib/dot/const.jst
@@ -0,0 +1,11 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{? !$isData }}
+  var schema{{=$lvl}} = validate.schema{{=$schemaPath}};
+{{?}}
+var {{=$valid}} = equal({{=$data}}, schema{{=$lvl}});
+{{# def.checkError:'const' }}
+{{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/contains.jst b/node_modules/ajv/lib/dot/contains.jst
new file mode 100644
index 000000000..4dc996741
--- /dev/null
+++ b/node_modules/ajv/lib/dot/contains.jst
@@ -0,0 +1,55 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+
+{{
+  var $idx = 'i' + $lvl
+    , $dataNxt = $it.dataLevel = it.dataLevel + 1
+    , $nextData = 'data' + $dataNxt
+    , $currentBaseId = it.baseId
+    , $nonEmptySchema = {{# def.nonEmptySchema:$schema }};
+}}
+
+var {{=$errs}} = errors;
+var {{=$valid}};
+
+{{? $nonEmptySchema }}
+  {{# def.setCompositeRule }}
+
+  {{
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+  }}
+
+  var {{=$nextValid}} = false;
+
+  for (var {{=$idx}} = 0; {{=$idx}} < {{=$data}}.length; {{=$idx}}++) {
+    {{
+      $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+      var $passData = $data + '[' + $idx + ']';
+      $it.dataPathArr[$dataNxt] = $idx;
+    }}
+
+    {{# def.generateSubschemaCode }}
+    {{# def.optimizeValidate }}
+
+    if ({{=$nextValid}}) break;
+  }
+
+  {{# def.resetCompositeRule }}
+  {{= $closingBraces }}
+
+  if (!{{=$nextValid}}) {
+{{??}}
+  if ({{=$data}}.length == 0) {
+{{?}}
+
+    {{# def.error:'contains' }}
+  } else {
+    {{? $nonEmptySchema }}
+      {{# def.resetErrors }}
+    {{?}}
+  {{? it.opts.allErrors }} } {{?}}
diff --git a/node_modules/ajv/lib/dot/custom.jst b/node_modules/ajv/lib/dot/custom.jst
new file mode 100644
index 000000000..d30588fb0
--- /dev/null
+++ b/node_modules/ajv/lib/dot/custom.jst
@@ -0,0 +1,191 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{
+  var $rule = this
+    , $definition = 'definition' + $lvl
+    , $rDef = $rule.definition
+    , $closingBraces = '';
+  var $validate = $rDef.validate;
+  var $compile, $inline, $macro, $ruleValidate, $validateCode;
+}}
+
+{{? $isData && $rDef.$data }}
+  {{
+    $validateCode = 'keywordValidate' + $lvl;
+    var $validateSchema = $rDef.validateSchema;
+  }}
+  var {{=$definition}} = RULES.custom['{{=$keyword}}'].definition;
+  var {{=$validateCode}} = {{=$definition}}.validate;
+{{??}}
+  {{
+    $ruleValidate = it.useCustomRule($rule, $schema, it.schema, it);
+    if (!$ruleValidate) return;
+    $schemaValue = 'validate.schema' + $schemaPath;
+    $validateCode = $ruleValidate.code;
+    $compile = $rDef.compile;
+    $inline = $rDef.inline;
+    $macro = $rDef.macro;
+  }}
+{{?}}
+
+{{
+  var $ruleErrs = $validateCode + '.errors'
+    , $i = 'i' + $lvl
+    , $ruleErr = 'ruleErr' + $lvl
+    , $asyncKeyword = $rDef.async;
+
+  if ($asyncKeyword && !it.async)
+    throw new Error('async keyword in sync schema');
+}}
+
+
+{{? !($inline || $macro) }}{{=$ruleErrs}} = null;{{?}}
+var {{=$errs}} = errors;
+var {{=$valid}};
+
+{{## def.callRuleValidate:
+  {{=$validateCode}}.call(
+    {{? it.opts.passContext }}this{{??}}self{{?}}
+    {{? $compile || $rDef.schema === false }}
+      , {{=$data}}
+    {{??}}
+      , {{=$schemaValue}}
+      , {{=$data}}
+      , validate.schema{{=it.schemaPath}}
+    {{?}}
+    , {{# def.dataPath }}
+    {{# def.passParentData }}
+    , rootData
+  )
+#}}
+
+{{## def.extendErrors:_inline:
+  for (var {{=$i}}={{=$errs}}; {{=$i}}<errors; {{=$i}}++) {
+    var {{=$ruleErr}} = vErrors[{{=$i}}];
+    if ({{=$ruleErr}}.dataPath === undefined)
+      {{=$ruleErr}}.dataPath = (dataPath || '') + {{= it.errorPath }};
+    {{# _inline ? 'if (\{\{=$ruleErr\}\}.schemaPath === undefined) {' : '' }}
+      {{=$ruleErr}}.schemaPath = "{{=$errSchemaPath}}";
+    {{# _inline ? '}' : '' }}
+    {{? it.opts.verbose }}
+      {{=$ruleErr}}.schema = {{=$schemaValue}};
+      {{=$ruleErr}}.data = {{=$data}};
+    {{?}}
+  }
+#}}
+
+
+{{? $isData && $rDef.$data }}
+  {{ $closingBraces += '}'; }}
+  if ({{=$schemaValue}} === undefined) {
+    {{=$valid}} = true;
+  } else {
+  {{? $validateSchema }}
+    {{ $closingBraces += '}'; }}
+    {{=$valid}} = {{=$definition}}.validateSchema({{=$schemaValue}});
+    if ({{=$valid}}) {
+  {{?}}
+{{?}}
+
+{{? $inline }}
+  {{? $rDef.statements }}
+    {{= $ruleValidate.validate }}
+  {{??}}
+    {{=$valid}} = {{= $ruleValidate.validate }};
+  {{?}}
+{{?? $macro }}
+  {{# def.setupNextLevel }}
+  {{
+    $it.schema = $ruleValidate.validate;
+    $it.schemaPath = '';
+  }}
+  {{# def.setCompositeRule }}
+  {{ var $code = it.validate($it).replace(/validate\.schema/g, $validateCode); }}
+  {{# def.resetCompositeRule }}
+  {{= $code }}
+{{??}}
+  {{# def.beginDefOut}}
+    {{# def.callRuleValidate }}
+  {{# def.storeDefOut:def_callRuleValidate }}
+
+  {{? $rDef.errors === false }}
+    {{=$valid}} = {{? $asyncKeyword }}await {{?}}{{= def_callRuleValidate }};
+  {{??}}
+    {{? $asyncKeyword }}
+      {{ $ruleErrs = 'customErrors' + $lvl; }}
+      var {{=$ruleErrs}} = null;
+      try {
+        {{=$valid}} = await {{= def_callRuleValidate }};
+      } catch (e) {
+        {{=$valid}} = false;
+        if (e instanceof ValidationError) {{=$ruleErrs}} = e.errors;
+        else throw e;
+      }
+    {{??}}
+      {{=$ruleErrs}} = null;
+      {{=$valid}} = {{= def_callRuleValidate }};
+    {{?}}
+  {{?}}
+{{?}}
+
+{{? $rDef.modifying }}
+  if ({{=$parentData}}) {{=$data}} = {{=$parentData}}[{{=$parentDataProperty}}];
+{{?}}
+
+{{= $closingBraces }}
+
+{{## def.notValidationResult:
+  {{? $rDef.valid === undefined }}
+    !{{? $macro }}{{=$nextValid}}{{??}}{{=$valid}}{{?}}
+  {{??}}
+    {{= !$rDef.valid }}
+  {{?}}
+#}}
+
+{{? $rDef.valid }}
+  {{? $breakOnError }} if (true) { {{?}}
+{{??}}
+  if ({{# def.notValidationResult }}) {
+    {{ $errorKeyword = $rule.keyword; }}
+    {{# def.beginDefOut}}
+      {{# def.error:'custom' }}
+    {{# def.storeDefOut:def_customError }}
+
+    {{? $inline }}
+      {{? $rDef.errors }}
+        {{? $rDef.errors != 'full' }}
+          {{# def.extendErrors:true }}
+        {{?}}
+      {{??}}
+        {{? $rDef.errors === false}}
+          {{= def_customError }}
+        {{??}}
+          if ({{=$errs}} == errors) {
+            {{= def_customError }}
+          } else {
+            {{# def.extendErrors:true }}
+          }
+        {{?}}
+      {{?}}
+    {{?? $macro }}
+      {{# def.extraError:'custom' }}
+    {{??}}
+      {{? $rDef.errors === false}}
+        {{= def_customError }}
+      {{??}}
+        if (Array.isArray({{=$ruleErrs}})) {
+          if (vErrors === null) vErrors = {{=$ruleErrs}};
+          else vErrors = vErrors.concat({{=$ruleErrs}});
+          errors = vErrors.length;
+          {{# def.extendErrors:false }}
+        } else {
+          {{= def_customError }}
+        }
+      {{?}}
+    {{?}}
+
+  } {{? $breakOnError }} else { {{?}}
+{{?}}
diff --git a/node_modules/ajv/lib/dot/defaults.def b/node_modules/ajv/lib/dot/defaults.def
new file mode 100644
index 000000000..a844cf285
--- /dev/null
+++ b/node_modules/ajv/lib/dot/defaults.def
@@ -0,0 +1,47 @@
+{{## def.assignDefault:
+  {{? it.compositeRule }}
+    {{
+      if (it.opts.strictDefaults) {
+        var $defaultMsg = 'default is ignored for: ' + $passData;
+        if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+        else throw new Error($defaultMsg);
+      }
+    }}
+  {{??}}
+    if ({{=$passData}} === undefined
+      {{? it.opts.useDefaults == 'empty' }}
+        || {{=$passData}} === null
+        || {{=$passData}} === ''
+      {{?}}
+    )
+      {{=$passData}} = {{? it.opts.useDefaults == 'shared' }}
+                         {{= it.useDefault($sch.default) }}
+                       {{??}}
+                         {{= JSON.stringify($sch.default) }}
+                       {{?}};
+  {{?}}
+#}}
+
+
+{{## def.defaultProperties:
+  {{
+    var $schema = it.schema.properties
+      , $schemaKeys = Object.keys($schema); }}
+  {{~ $schemaKeys:$propertyKey }}
+    {{ var $sch = $schema[$propertyKey]; }}
+    {{? $sch.default !== undefined }}
+      {{ var $passData = $data + it.util.getProperty($propertyKey); }}
+      {{# def.assignDefault }}
+    {{?}}
+  {{~}}
+#}}
+
+
+{{## def.defaultItems:
+  {{~ it.schema.items:$sch:$i }}
+    {{? $sch.default !== undefined }}
+      {{ var $passData = $data + '[' + $i + ']'; }}
+      {{# def.assignDefault }}
+    {{?}}
+  {{~}}
+#}}
diff --git a/node_modules/ajv/lib/dot/definitions.def b/node_modules/ajv/lib/dot/definitions.def
new file mode 100644
index 000000000..709cce36d
--- /dev/null
+++ b/node_modules/ajv/lib/dot/definitions.def
@@ -0,0 +1,203 @@
+{{## def.setupKeyword:
+  {{
+    var $lvl = it.level;
+    var $dataLvl = it.dataLevel;
+    var $schema = it.schema[$keyword];
+    var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+    var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+    var $breakOnError = !it.opts.allErrors;
+    var $errorKeyword;
+
+    var $data = 'data' + ($dataLvl || '');
+    var $valid = 'valid' + $lvl;
+    var $errs = 'errs__' + $lvl;
+  }}
+#}}
+
+
+{{## def.setCompositeRule:
+  {{
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+  }}
+#}}
+
+
+{{## def.resetCompositeRule:
+  {{ it.compositeRule = $it.compositeRule = $wasComposite; }}
+#}}
+
+
+{{## def.setupNextLevel:
+  {{
+    var $it = it.util.copy(it);
+    var $closingBraces = '';
+    $it.level++;
+    var $nextValid = 'valid' + $it.level;
+  }}
+#}}
+
+
+{{## def.ifValid:
+  {{? $breakOnError }}
+    if ({{=$valid}}) {
+    {{ $closingBraces += '}'; }}
+  {{?}}
+#}}
+
+
+{{## def.ifResultValid:
+  {{? $breakOnError }}
+    if ({{=$nextValid}}) {
+    {{ $closingBraces += '}'; }}
+  {{?}}
+#}}
+
+
+{{## def.elseIfValid:
+  {{? $breakOnError }}
+    {{ $closingBraces += '}'; }}
+    else {
+  {{?}}
+#}}
+
+
+{{## def.nonEmptySchema:_schema:
+  (it.opts.strictKeywords
+    ? (typeof _schema == 'object' && Object.keys(_schema).length > 0)
+      || _schema === false
+    : it.util.schemaHasRules(_schema, it.RULES.all))
+#}}
+
+
+{{## def.strLength:
+  {{? it.opts.unicode === false }}
+    {{=$data}}.length
+  {{??}}
+    ucs2length({{=$data}})
+  {{?}}
+#}}
+
+
+{{## def.willOptimize:
+  it.util.varOccurences($code, $nextData) < 2
+#}}
+
+
+{{## def.generateSubschemaCode:
+  {{
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+  }}
+#}}
+
+
+{{## def.insertSubschemaCode:
+  {{= it.validate($it) }}
+  {{ $it.baseId = $currentBaseId; }}
+#}}
+
+
+{{## def._optimizeValidate:
+  it.util.varReplace($code, $nextData, $passData)
+#}}
+
+
+{{## def.optimizeValidate:
+  {{? {{# def.willOptimize}} }}
+    {{= {{# def._optimizeValidate }} }}
+  {{??}}
+    var {{=$nextData}} = {{=$passData}};
+    {{= $code }}
+  {{?}}
+#}}
+
+
+{{## def.$data:
+  {{
+    var $isData = it.opts.$data && $schema && $schema.$data
+      , $schemaValue;
+  }}
+  {{? $isData }}
+    var schema{{=$lvl}} = {{= it.util.getData($schema.$data, $dataLvl, it.dataPathArr) }};
+    {{ $schemaValue = 'schema' + $lvl; }}
+  {{??}}
+    {{ $schemaValue = $schema; }}
+  {{?}}
+#}}
+
+
+{{## def.$dataNotType:_type:
+  {{?$isData}} ({{=$schemaValue}} !== undefined && typeof {{=$schemaValue}} != _type) || {{?}}
+#}}
+
+
+{{## def.check$dataIsArray:
+  if (schema{{=$lvl}} === undefined) {{=$valid}} = true;
+  else if (!Array.isArray(schema{{=$lvl}})) {{=$valid}} = false;
+  else {
+#}}
+
+
+{{## def.numberKeyword:
+  {{? !($isData || typeof $schema == 'number') }}
+    {{ throw new Error($keyword + ' must be number'); }}
+  {{?}}
+#}}
+
+
+{{## def.beginDefOut:
+  {{
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+  }}
+#}}
+
+
+{{## def.storeDefOut:_variable:
+  {{
+    var _variable = out;
+    out = $$outStack.pop();
+  }}
+#}}
+
+
+{{## def.dataPath:(dataPath || ''){{? it.errorPath != '""'}} + {{= it.errorPath }}{{?}}#}}
+
+{{## def.setParentData:
+  {{
+    var $parentData = $dataLvl ? 'data' + (($dataLvl-1)||'') : 'parentData'
+      , $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+  }}
+#}}
+
+{{## def.passParentData:
+  {{# def.setParentData }}
+  , {{= $parentData }}
+  , {{= $parentDataProperty }}
+#}}
+
+
+{{## def.iterateProperties:
+  {{? $ownProperties }}
+    {{=$dataProperties}} = {{=$dataProperties}} || Object.keys({{=$data}});
+    for (var {{=$idx}}=0; {{=$idx}}<{{=$dataProperties}}.length; {{=$idx}}++) {
+      var {{=$key}} = {{=$dataProperties}}[{{=$idx}}];
+  {{??}}
+    for (var {{=$key}} in {{=$data}}) {
+  {{?}}
+#}}
+
+
+{{## def.noPropertyInData:
+  {{=$useData}} === undefined
+  {{? $ownProperties }}
+    || !{{# def.isOwnProperty }}
+  {{?}}
+#}}
+
+
+{{## def.isOwnProperty:
+  Object.prototype.hasOwnProperty.call({{=$data}}, '{{=it.util.escapeQuotes($propertyKey)}}')
+#}}
diff --git a/node_modules/ajv/lib/dot/dependencies.jst b/node_modules/ajv/lib/dot/dependencies.jst
new file mode 100644
index 000000000..e4bdddec8
--- /dev/null
+++ b/node_modules/ajv/lib/dot/dependencies.jst
@@ -0,0 +1,79 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.missing }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+
+{{## def.propertyInData:
+  {{=$data}}{{= it.util.getProperty($property) }} !== undefined
+  {{? $ownProperties }}
+    && Object.prototype.hasOwnProperty.call({{=$data}}, '{{=it.util.escapeQuotes($property)}}')
+  {{?}}
+#}}
+
+
+{{
+  var $schemaDeps = {}
+    , $propertyDeps = {}
+    , $ownProperties = it.opts.ownProperties;
+
+  for ($property in $schema) {
+    if ($property == '__proto__') continue;
+    var $sch = $schema[$property];
+    var $deps = Array.isArray($sch) ? $propertyDeps : $schemaDeps;
+    $deps[$property] = $sch;
+  }
+}}
+
+var {{=$errs}} = errors;
+
+{{ var $currentErrorPath = it.errorPath; }}
+
+var missing{{=$lvl}};
+{{ for (var $property in $propertyDeps) { }}
+  {{ $deps = $propertyDeps[$property]; }}
+  {{? $deps.length }}
+    if ({{# def.propertyInData }}
+      {{? $breakOnError }}
+          && ({{# def.checkMissingProperty:$deps }})) {
+          {{# def.errorMissingProperty:'dependencies' }}
+      {{??}}
+        ) {
+          {{~ $deps:$propertyKey }}
+            {{# def.allErrorsMissingProperty:'dependencies' }}
+          {{~}}
+      {{?}}
+    } {{# def.elseIfValid }}
+  {{?}}
+{{ } }}
+
+{{
+  it.errorPath = $currentErrorPath;
+  var $currentBaseId = $it.baseId;
+}}
+
+
+{{ for (var $property in $schemaDeps) { }}
+  {{ var $sch = $schemaDeps[$property]; }}
+  {{? {{# def.nonEmptySchema:$sch }} }}
+    {{=$nextValid}} = true;
+
+    if ({{# def.propertyInData }}) {
+      {{ 
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + it.util.getProperty($property);
+        $it.errSchemaPath = $errSchemaPath + '/' + it.util.escapeFragment($property);
+      }}
+
+      {{# def.insertSubschemaCode }}
+    }
+
+    {{# def.ifResultValid }}
+  {{?}}
+{{ } }}
+
+{{? $breakOnError }} 
+  {{= $closingBraces }}
+  if ({{=$errs}} == errors) {
+{{?}}
diff --git a/node_modules/ajv/lib/dot/enum.jst b/node_modules/ajv/lib/dot/enum.jst
new file mode 100644
index 000000000..357c2e8c0
--- /dev/null
+++ b/node_modules/ajv/lib/dot/enum.jst
@@ -0,0 +1,30 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{
+  var $i = 'i' + $lvl
+    , $vSchema = 'schema' + $lvl;
+}}
+
+{{? !$isData }}
+  var {{=$vSchema}} = validate.schema{{=$schemaPath}};
+{{?}}
+var {{=$valid}};
+
+{{?$isData}}{{# def.check$dataIsArray }}{{?}}
+
+{{=$valid}} = false;
+
+for (var {{=$i}}=0; {{=$i}}<{{=$vSchema}}.length; {{=$i}}++)
+  if (equal({{=$data}}, {{=$vSchema}}[{{=$i}}])) {
+    {{=$valid}} = true;
+    break;
+  }
+
+{{? $isData }}  }  {{?}}
+
+{{# def.checkError:'enum' }}
+
+{{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/errors.def b/node_modules/ajv/lib/dot/errors.def
new file mode 100644
index 000000000..5c5752cb0
--- /dev/null
+++ b/node_modules/ajv/lib/dot/errors.def
@@ -0,0 +1,194 @@
+{{# def.definitions }}
+
+{{## def._error:_rule:
+  {{ 'istanbul ignore else'; }}
+  {{? it.createErrors !== false }}
+    {
+      keyword: '{{= $errorKeyword || _rule }}'
+      , dataPath: (dataPath || '') + {{= it.errorPath }}
+      , schemaPath: {{=it.util.toQuotedString($errSchemaPath)}}
+      , params: {{# def._errorParams[_rule] }}
+      {{? it.opts.messages !== false }}
+        , message: {{# def._errorMessages[_rule] }}
+      {{?}}
+      {{? it.opts.verbose }}
+        , schema: {{# def._errorSchemas[_rule] }}
+        , parentSchema: validate.schema{{=it.schemaPath}}
+        , data: {{=$data}}
+      {{?}}
+    }
+  {{??}}
+    {}
+  {{?}}
+#}}
+
+
+{{## def._addError:_rule:
+  if (vErrors === null) vErrors = [err];
+  else vErrors.push(err);
+  errors++;
+#}}
+
+
+{{## def.addError:_rule:
+  var err = {{# def._error:_rule }};
+  {{# def._addError:_rule }}
+#}}
+
+
+{{## def.error:_rule:
+  {{# def.beginDefOut}}
+    {{# def._error:_rule }}
+  {{# def.storeDefOut:__err }}
+
+  {{? !it.compositeRule && $breakOnError }}
+    {{ 'istanbul ignore if'; }}
+    {{? it.async }}
+      throw new ValidationError([{{=__err}}]);
+    {{??}}
+      validate.errors = [{{=__err}}];
+      return false;
+    {{?}}
+  {{??}}
+    var err = {{=__err}};
+    {{# def._addError:_rule }}
+  {{?}}
+#}}
+
+
+{{## def.extraError:_rule:
+  {{# def.addError:_rule}}
+  {{? !it.compositeRule && $breakOnError }}
+    {{ 'istanbul ignore if'; }}
+    {{? it.async }}
+      throw new ValidationError(vErrors);
+    {{??}}
+      validate.errors = vErrors;
+      return false;
+    {{?}}
+  {{?}}
+#}}
+
+
+{{## def.checkError:_rule:
+  if (!{{=$valid}}) {
+    {{# def.error:_rule }}
+  }
+#}}
+
+
+{{## def.resetErrors:
+  errors = {{=$errs}};
+  if (vErrors !== null) {
+    if ({{=$errs}}) vErrors.length = {{=$errs}};
+    else vErrors = null;
+  }
+#}}
+
+
+{{## def.concatSchema:{{?$isData}}' + {{=$schemaValue}} + '{{??}}{{=$schema}}{{?}}#}}
+{{## def.appendSchema:{{?$isData}}' + {{=$schemaValue}}{{??}}{{=$schemaValue}}'{{?}}#}}
+{{## def.concatSchemaEQ:{{?$isData}}' + {{=$schemaValue}} + '{{??}}{{=it.util.escapeQuotes($schema)}}{{?}}#}}
+
+{{## def._errorMessages = {
+  'false schema':  "'boolean schema is false'",
+  $ref:            "'can\\\'t resolve reference {{=it.util.escapeQuotes($schema)}}'",
+  additionalItems: "'should NOT have more than {{=$schema.length}} items'",
+  additionalProperties: "'{{? it.opts._errorDataPathProperty }}is an invalid additional property{{??}}should NOT have additional properties{{?}}'",
+  anyOf:           "'should match some schema in anyOf'",
+  const:           "'should be equal to constant'",
+  contains:        "'should contain a valid item'",
+  dependencies:    "'should have {{? $deps.length == 1 }}property {{= it.util.escapeQuotes($deps[0]) }}{{??}}properties {{= it.util.escapeQuotes($deps.join(\", \")) }}{{?}} when property {{= it.util.escapeQuotes($property) }} is present'",
+  'enum':          "'should be equal to one of the allowed values'",
+  format:          "'should match format \"{{#def.concatSchemaEQ}}\"'",
+  'if':            "'should match \"' + {{=$ifClause}} + '\" schema'",
+  _limit:          "'should be {{=$opStr}} {{#def.appendSchema}}",
+  _exclusiveLimit: "'{{=$exclusiveKeyword}} should be boolean'",
+  _limitItems:     "'should NOT have {{?$keyword=='maxItems'}}more{{??}}fewer{{?}} than {{#def.concatSchema}} items'",
+  _limitLength:    "'should NOT be {{?$keyword=='maxLength'}}longer{{??}}shorter{{?}} than {{#def.concatSchema}} characters'",
+  _limitProperties:"'should NOT have {{?$keyword=='maxProperties'}}more{{??}}fewer{{?}} than {{#def.concatSchema}} properties'",
+  multipleOf:      "'should be multiple of {{#def.appendSchema}}",
+  not:             "'should NOT be valid'",
+  oneOf:           "'should match exactly one schema in oneOf'",
+  pattern:         "'should match pattern \"{{#def.concatSchemaEQ}}\"'",
+  propertyNames:   "'property name \\'{{=$invalidName}}\\' is invalid'",
+  required:        "'{{? it.opts._errorDataPathProperty }}is a required property{{??}}should have required property \\'{{=$missingProperty}}\\'{{?}}'",
+  type:            "'should be {{? $typeIsArray }}{{= $typeSchema.join(\",\") }}{{??}}{{=$typeSchema}}{{?}}'",
+  uniqueItems:     "'should NOT have duplicate items (items ## ' + j + ' and ' + i + ' are identical)'",
+  custom:          "'should pass \"{{=$rule.keyword}}\" keyword validation'",
+  patternRequired: "'should have property matching pattern \\'{{=$missingPattern}}\\''",
+  switch:          "'should pass \"switch\" keyword validation'",
+  _formatLimit:    "'should be {{=$opStr}} \"{{#def.concatSchemaEQ}}\"'",
+  _formatExclusiveLimit: "'{{=$exclusiveKeyword}} should be boolean'"
+} #}}
+
+
+{{## def.schemaRefOrVal: {{?$isData}}validate.schema{{=$schemaPath}}{{??}}{{=$schema}}{{?}} #}}
+{{## def.schemaRefOrQS: {{?$isData}}validate.schema{{=$schemaPath}}{{??}}{{=it.util.toQuotedString($schema)}}{{?}} #}}
+
+{{## def._errorSchemas = {
+  'false schema':  "false",
+  $ref:            "{{=it.util.toQuotedString($schema)}}",
+  additionalItems: "false",
+  additionalProperties: "false",
+  anyOf:           "validate.schema{{=$schemaPath}}",
+  const:           "validate.schema{{=$schemaPath}}",
+  contains:        "validate.schema{{=$schemaPath}}",
+  dependencies:    "validate.schema{{=$schemaPath}}",
+  'enum':          "validate.schema{{=$schemaPath}}",
+  format:          "{{#def.schemaRefOrQS}}",
+  'if':            "validate.schema{{=$schemaPath}}",
+  _limit:          "{{#def.schemaRefOrVal}}",
+  _exclusiveLimit: "validate.schema{{=$schemaPath}}",
+  _limitItems:     "{{#def.schemaRefOrVal}}",
+  _limitLength:    "{{#def.schemaRefOrVal}}",
+  _limitProperties:"{{#def.schemaRefOrVal}}",
+  multipleOf:      "{{#def.schemaRefOrVal}}",
+  not:             "validate.schema{{=$schemaPath}}",
+  oneOf:           "validate.schema{{=$schemaPath}}",
+  pattern:         "{{#def.schemaRefOrQS}}",
+  propertyNames:   "validate.schema{{=$schemaPath}}",
+  required:        "validate.schema{{=$schemaPath}}",
+  type:            "validate.schema{{=$schemaPath}}",
+  uniqueItems:     "{{#def.schemaRefOrVal}}",
+  custom:          "validate.schema{{=$schemaPath}}",
+  patternRequired: "validate.schema{{=$schemaPath}}",
+  switch:          "validate.schema{{=$schemaPath}}",
+  _formatLimit:    "{{#def.schemaRefOrQS}}",
+  _formatExclusiveLimit: "validate.schema{{=$schemaPath}}"
+} #}}
+
+
+{{## def.schemaValueQS: {{?$isData}}{{=$schemaValue}}{{??}}{{=it.util.toQuotedString($schema)}}{{?}} #}}
+
+{{## def._errorParams = {
+  'false schema':  "{}",
+  $ref:            "{ ref: '{{=it.util.escapeQuotes($schema)}}' }",
+  additionalItems: "{ limit: {{=$schema.length}} }",
+  additionalProperties: "{ additionalProperty: '{{=$additionalProperty}}' }",
+  anyOf:           "{}",
+  const:           "{ allowedValue: schema{{=$lvl}} }",
+  contains:        "{}",
+  dependencies:    "{ property: '{{= it.util.escapeQuotes($property) }}', missingProperty: '{{=$missingProperty}}', depsCount: {{=$deps.length}}, deps: '{{= it.util.escapeQuotes($deps.length==1 ? $deps[0] : $deps.join(\", \")) }}' }",
+  'enum':          "{ allowedValues: schema{{=$lvl}} }",
+  format:          "{ format: {{#def.schemaValueQS}} }",
+  'if':            "{ failingKeyword: {{=$ifClause}} }",
+  _limit:          "{ comparison: {{=$opExpr}}, limit: {{=$schemaValue}}, exclusive: {{=$exclusive}} }",
+  _exclusiveLimit: "{}",
+  _limitItems:     "{ limit: {{=$schemaValue}} }",
+  _limitLength:    "{ limit: {{=$schemaValue}} }",
+  _limitProperties:"{ limit: {{=$schemaValue}} }",
+  multipleOf:      "{ multipleOf: {{=$schemaValue}} }",
+  not:             "{}",
+  oneOf:           "{ passingSchemas: {{=$passingSchemas}} }",
+  pattern:         "{ pattern: {{#def.schemaValueQS}} }",
+  propertyNames:   "{ propertyName: '{{=$invalidName}}' }",
+  required:        "{ missingProperty: '{{=$missingProperty}}' }",
+  type:            "{ type: '{{? $typeIsArray }}{{= $typeSchema.join(\",\") }}{{??}}{{=$typeSchema}}{{?}}' }",
+  uniqueItems:     "{ i: i, j: j }",
+  custom:          "{ keyword: '{{=$rule.keyword}}' }",
+  patternRequired: "{ missingPattern: '{{=$missingPattern}}' }",
+  switch:          "{ caseIndex: {{=$caseIndex}} }",
+  _formatLimit:    "{ comparison: {{=$opExpr}}, limit: {{#def.schemaValueQS}}, exclusive: {{=$exclusive}} }",
+  _formatExclusiveLimit: "{}"
+} #}}
diff --git a/node_modules/ajv/lib/dot/format.jst b/node_modules/ajv/lib/dot/format.jst
new file mode 100644
index 000000000..37f14da80
--- /dev/null
+++ b/node_modules/ajv/lib/dot/format.jst
@@ -0,0 +1,106 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+
+{{## def.skipFormat:
+  {{? $breakOnError }} if (true) { {{?}}
+  {{ return out; }}
+#}}
+
+{{? it.opts.format === false }}{{# def.skipFormat }}{{?}}
+
+
+{{# def.$data }}
+
+
+{{## def.$dataCheckFormat:
+  {{# def.$dataNotType:'string' }}
+  ({{? $unknownFormats != 'ignore' }}
+     ({{=$schemaValue}} && !{{=$format}}
+      {{? $allowUnknown }}
+        && self._opts.unknownFormats.indexOf({{=$schemaValue}}) == -1
+      {{?}}) ||
+   {{?}}
+   ({{=$format}} && {{=$formatType}} == '{{=$ruleType}}'
+                 && !(typeof {{=$format}} == 'function'
+                     ? {{? it.async}}
+                        (async{{=$lvl}} ? await {{=$format}}({{=$data}}) : {{=$format}}({{=$data}}))
+                       {{??}}
+                        {{=$format}}({{=$data}})
+                       {{?}}
+                     : {{=$format}}.test({{=$data}}))))
+#}}
+
+{{## def.checkFormat:
+  {{
+    var $formatRef = 'formats' + it.util.getProperty($schema);
+    if ($isObject) $formatRef += '.validate';
+  }}
+  {{? typeof $format == 'function' }}
+    {{=$formatRef}}({{=$data}})
+  {{??}}
+    {{=$formatRef}}.test({{=$data}})
+  {{?}}
+#}}
+
+
+{{
+  var $unknownFormats = it.opts.unknownFormats
+    , $allowUnknown = Array.isArray($unknownFormats);
+}}
+
+{{? $isData }}
+  {{
+    var $format = 'format' + $lvl
+      , $isObject = 'isObject' + $lvl
+      , $formatType = 'formatType' + $lvl;
+  }}
+  var {{=$format}} = formats[{{=$schemaValue}}];
+  var {{=$isObject}} = typeof {{=$format}} == 'object'
+                        && !({{=$format}} instanceof RegExp)
+                        && {{=$format}}.validate;
+  var {{=$formatType}} = {{=$isObject}} && {{=$format}}.type || 'string';
+  if ({{=$isObject}}) {
+    {{? it.async}}
+      var async{{=$lvl}} = {{=$format}}.async;
+    {{?}}
+    {{=$format}} = {{=$format}}.validate;
+  }
+  if ({{# def.$dataCheckFormat }}) {
+{{??}}
+  {{ var $format = it.formats[$schema]; }}
+  {{? !$format }}
+    {{? $unknownFormats == 'ignore' }}
+      {{ it.logger.warn('unknown format "' + $schema + '" ignored in schema at path "' + it.errSchemaPath + '"'); }}
+      {{# def.skipFormat }}
+    {{?? $allowUnknown && $unknownFormats.indexOf($schema) >= 0 }}
+      {{# def.skipFormat }}
+    {{??}}
+      {{ throw new Error('unknown format "' + $schema + '" is used in schema at path "' + it.errSchemaPath + '"'); }}
+    {{?}}
+  {{?}}
+  {{
+    var $isObject = typeof $format == 'object'
+                    && !($format instanceof RegExp)
+                    && $format.validate;
+    var $formatType = $isObject && $format.type || 'string';
+    if ($isObject) {
+      var $async = $format.async === true;
+      $format = $format.validate;
+    }
+  }}
+  {{? $formatType != $ruleType }}
+    {{# def.skipFormat }}
+  {{?}}
+  {{? $async }}
+    {{
+      if (!it.async) throw new Error('async format in sync schema');
+      var $formatRef = 'formats' + it.util.getProperty($schema) + '.validate';
+    }}
+    if (!(await {{=$formatRef}}({{=$data}}))) {
+  {{??}}
+    if (!{{# def.checkFormat }}) {
+  {{?}}
+{{?}}
+    {{# def.error:'format' }}
+  } {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/if.jst b/node_modules/ajv/lib/dot/if.jst
new file mode 100644
index 000000000..adb503612
--- /dev/null
+++ b/node_modules/ajv/lib/dot/if.jst
@@ -0,0 +1,73 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+
+{{## def.validateIfClause:_clause:
+  {{
+    $it.schema = it.schema['_clause'];
+    $it.schemaPath = it.schemaPath + '._clause';
+    $it.errSchemaPath = it.errSchemaPath + '/_clause';
+  }}
+  {{# def.insertSubschemaCode }}
+  {{=$valid}} = {{=$nextValid}};
+  {{? $thenPresent && $elsePresent }}
+    {{ $ifClause = 'ifClause' + $lvl; }}
+    var {{=$ifClause}} = '_clause';
+  {{??}}
+    {{ $ifClause = '\'_clause\''; }}
+  {{?}}
+#}}
+
+{{
+  var $thenSch = it.schema['then']
+    , $elseSch = it.schema['else']
+    , $thenPresent = $thenSch !== undefined && {{# def.nonEmptySchema:$thenSch }}
+    , $elsePresent = $elseSch !== undefined && {{# def.nonEmptySchema:$elseSch }}
+    , $currentBaseId = $it.baseId;
+}}
+
+{{? $thenPresent || $elsePresent }}
+  {{
+    var $ifClause;
+    $it.createErrors = false;
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+  }}
+  var {{=$errs}} = errors;
+  var {{=$valid}} = true;
+
+  {{# def.setCompositeRule }}
+  {{# def.insertSubschemaCode }}
+  {{ $it.createErrors = true; }}
+  {{# def.resetErrors }}
+  {{# def.resetCompositeRule }}
+
+  {{? $thenPresent }}
+    if ({{=$nextValid}}) {
+      {{# def.validateIfClause:then }}
+    }
+    {{? $elsePresent }}
+      else {
+    {{?}}
+  {{??}}
+    if (!{{=$nextValid}}) {
+  {{?}}
+
+  {{? $elsePresent }}
+      {{# def.validateIfClause:else }}
+    }
+  {{?}}
+
+  if (!{{=$valid}}) {
+    {{# def.extraError:'if' }}
+  } 
+  {{? $breakOnError }} else { {{?}}
+{{??}}
+  {{? $breakOnError }}
+    if (true) {
+  {{?}}
+{{?}}
+
diff --git a/node_modules/ajv/lib/dot/items.jst b/node_modules/ajv/lib/dot/items.jst
new file mode 100644
index 000000000..acc932a26
--- /dev/null
+++ b/node_modules/ajv/lib/dot/items.jst
@@ -0,0 +1,98 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+
+{{## def.validateItems:startFrom:
+  for (var {{=$idx}} = {{=startFrom}}; {{=$idx}} < {{=$data}}.length; {{=$idx}}++) {
+    {{
+      $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+      var $passData = $data + '[' + $idx + ']';
+      $it.dataPathArr[$dataNxt] = $idx;
+    }}
+
+    {{# def.generateSubschemaCode }}
+    {{# def.optimizeValidate }}
+
+    {{? $breakOnError }}
+      if (!{{=$nextValid}}) break;
+    {{?}}
+  }
+#}}
+
+{{
+  var $idx = 'i' + $lvl
+    , $dataNxt = $it.dataLevel = it.dataLevel + 1
+    , $nextData = 'data' + $dataNxt
+    , $currentBaseId = it.baseId;
+}}
+
+var {{=$errs}} = errors;
+var {{=$valid}};
+
+{{? Array.isArray($schema) }}
+  {{ /* 'items' is an array of schemas */}}
+  {{ var $additionalItems = it.schema.additionalItems; }}
+  {{? $additionalItems === false }}
+    {{=$valid}} = {{=$data}}.length <= {{= $schema.length }};
+    {{
+      var $currErrSchemaPath = $errSchemaPath;
+      $errSchemaPath = it.errSchemaPath + '/additionalItems';      
+    }}
+    {{# def.checkError:'additionalItems' }}
+    {{ $errSchemaPath = $currErrSchemaPath; }}
+    {{# def.elseIfValid}}
+  {{?}}
+
+  {{~ $schema:$sch:$i }}
+    {{? {{# def.nonEmptySchema:$sch }} }}
+      {{=$nextValid}} = true;
+
+      if ({{=$data}}.length > {{=$i}}) {
+        {{
+          var $passData = $data + '[' + $i + ']';
+          $it.schema = $sch;
+          $it.schemaPath = $schemaPath + '[' + $i + ']';
+          $it.errSchemaPath = $errSchemaPath + '/' + $i;
+          $it.errorPath = it.util.getPathExpr(it.errorPath, $i, it.opts.jsonPointers, true);
+          $it.dataPathArr[$dataNxt] = $i;
+        }}
+
+        {{# def.generateSubschemaCode }}
+        {{# def.optimizeValidate }}
+      }
+
+      {{# def.ifResultValid }}
+    {{?}}
+  {{~}}
+
+  {{? typeof $additionalItems == 'object' && {{# def.nonEmptySchema:$additionalItems }} }}
+    {{
+      $it.schema = $additionalItems;
+      $it.schemaPath = it.schemaPath + '.additionalItems';
+      $it.errSchemaPath = it.errSchemaPath + '/additionalItems';
+    }}
+    {{=$nextValid}} = true;
+
+    if ({{=$data}}.length > {{= $schema.length }}) {
+      {{# def.validateItems: $schema.length }}
+    }
+
+    {{# def.ifResultValid }}
+  {{?}}
+
+{{?? {{# def.nonEmptySchema:$schema }} }}
+  {{ /* 'items' is a single schema */}}
+  {{
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+  }}
+  {{# def.validateItems: 0 }}
+{{?}}
+
+{{? $breakOnError }}
+  {{= $closingBraces }}
+  if ({{=$errs}} == errors) {
+{{?}}
diff --git a/node_modules/ajv/lib/dot/missing.def b/node_modules/ajv/lib/dot/missing.def
new file mode 100644
index 000000000..a73b9f966
--- /dev/null
+++ b/node_modules/ajv/lib/dot/missing.def
@@ -0,0 +1,39 @@
+{{## def.checkMissingProperty:_properties:
+  {{~ _properties:$propertyKey:$i }}
+    {{?$i}} || {{?}}
+    {{
+      var $prop = it.util.getProperty($propertyKey)
+        , $useData = $data + $prop;
+    }}
+    ( ({{# def.noPropertyInData }}) && (missing{{=$lvl}} = {{= it.util.toQuotedString(it.opts.jsonPointers ? $propertyKey : $prop) }}) )
+  {{~}}
+#}}
+
+
+{{## def.errorMissingProperty:_error:
+  {{
+    var $propertyPath = 'missing' + $lvl
+      , $missingProperty = '\' + ' + $propertyPath + ' + \'';
+    if (it.opts._errorDataPathProperty) {
+      it.errorPath = it.opts.jsonPointers
+                      ? it.util.getPathExpr($currentErrorPath,  $propertyPath, true)
+                      : $currentErrorPath + ' + ' + $propertyPath;
+    }
+  }}
+  {{# def.error:_error }}
+#}}
+
+
+{{## def.allErrorsMissingProperty:_error:
+  {{
+    var $prop = it.util.getProperty($propertyKey)
+      , $missingProperty = it.util.escapeQuotes($propertyKey)
+      , $useData = $data + $prop;
+    if (it.opts._errorDataPathProperty) {
+      it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+    }
+  }}
+  if ({{# def.noPropertyInData }}) {
+    {{# def.addError:_error }}
+  }
+#}}
diff --git a/node_modules/ajv/lib/dot/multipleOf.jst b/node_modules/ajv/lib/dot/multipleOf.jst
new file mode 100644
index 000000000..6d88a456f
--- /dev/null
+++ b/node_modules/ajv/lib/dot/multipleOf.jst
@@ -0,0 +1,22 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{# def.numberKeyword }}
+
+var division{{=$lvl}};
+if ({{?$isData}}
+      {{=$schemaValue}} !== undefined && (
+      typeof {{=$schemaValue}} != 'number' ||
+    {{?}}
+      (division{{=$lvl}} = {{=$data}} / {{=$schemaValue}},
+      {{? it.opts.multipleOfPrecision }}
+        Math.abs(Math.round(division{{=$lvl}}) - division{{=$lvl}}) > 1e-{{=it.opts.multipleOfPrecision}}
+      {{??}}
+        division{{=$lvl}} !== parseInt(division{{=$lvl}})
+      {{?}}
+      )
+    {{?$isData}}  )  {{?}} ) {
+  {{# def.error:'multipleOf' }}
+} {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/not.jst b/node_modules/ajv/lib/dot/not.jst
new file mode 100644
index 000000000..e03185ae8
--- /dev/null
+++ b/node_modules/ajv/lib/dot/not.jst
@@ -0,0 +1,43 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+{{? {{# def.nonEmptySchema:$schema }} }}
+  {{
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+  }}
+
+  var {{=$errs}} = errors;
+
+  {{# def.setCompositeRule }}
+
+  {{
+    $it.createErrors = false;
+    var $allErrorsOption;
+    if ($it.opts.allErrors) {
+      $allErrorsOption = $it.opts.allErrors;
+      $it.opts.allErrors = false;
+    }
+  }}
+  {{= it.validate($it) }}
+  {{
+    $it.createErrors = true;
+    if ($allErrorsOption) $it.opts.allErrors = $allErrorsOption;
+  }}
+
+  {{# def.resetCompositeRule }}
+
+  if ({{=$nextValid}}) {
+    {{# def.error:'not' }}
+  } else {
+    {{# def.resetErrors }}
+  {{? it.opts.allErrors }} } {{?}}
+{{??}}
+  {{# def.addError:'not' }}
+  {{? $breakOnError}}
+    if (false) {
+  {{?}}
+{{?}}
diff --git a/node_modules/ajv/lib/dot/oneOf.jst b/node_modules/ajv/lib/dot/oneOf.jst
new file mode 100644
index 000000000..bcce2c6ed
--- /dev/null
+++ b/node_modules/ajv/lib/dot/oneOf.jst
@@ -0,0 +1,54 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+{{
+  var $currentBaseId = $it.baseId
+    , $prevValid = 'prevValid' + $lvl
+    , $passingSchemas = 'passingSchemas' + $lvl;
+}}
+
+var {{=$errs}} = errors
+  , {{=$prevValid}} = false
+  , {{=$valid}} = false
+  , {{=$passingSchemas}} = null;
+
+{{# def.setCompositeRule }}
+
+{{~ $schema:$sch:$i }}
+  {{? {{# def.nonEmptySchema:$sch }} }}
+    {{
+      $it.schema = $sch;
+      $it.schemaPath = $schemaPath + '[' + $i + ']';
+      $it.errSchemaPath = $errSchemaPath + '/' + $i;
+    }}
+
+    {{# def.insertSubschemaCode }}
+  {{??}}
+    var {{=$nextValid}} = true;
+  {{?}}
+
+  {{? $i }}
+    if ({{=$nextValid}} && {{=$prevValid}}) {
+      {{=$valid}} = false;
+      {{=$passingSchemas}} = [{{=$passingSchemas}}, {{=$i}}];
+    } else {
+    {{ $closingBraces += '}'; }}
+  {{?}}
+
+    if ({{=$nextValid}}) {
+      {{=$valid}} = {{=$prevValid}} = true;
+      {{=$passingSchemas}} = {{=$i}};
+    }
+{{~}}
+
+{{# def.resetCompositeRule }}
+
+{{= $closingBraces }}
+
+if (!{{=$valid}}) {
+  {{# def.extraError:'oneOf' }}
+} else {
+  {{# def.resetErrors }}
+{{? it.opts.allErrors }} } {{?}}
diff --git a/node_modules/ajv/lib/dot/pattern.jst b/node_modules/ajv/lib/dot/pattern.jst
new file mode 100644
index 000000000..3a37ef6cb
--- /dev/null
+++ b/node_modules/ajv/lib/dot/pattern.jst
@@ -0,0 +1,14 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{
+  var $regexp = $isData
+                ? '(new RegExp(' + $schemaValue + '))'
+                : it.usePattern($schema);
+}}
+
+if ({{# def.$dataNotType:'string' }} !{{=$regexp}}.test({{=$data}}) ) {
+  {{# def.error:'pattern' }}
+} {{? $breakOnError }} else { {{?}}
diff --git a/node_modules/ajv/lib/dot/properties.jst b/node_modules/ajv/lib/dot/properties.jst
new file mode 100644
index 000000000..5cebb9b12
--- /dev/null
+++ b/node_modules/ajv/lib/dot/properties.jst
@@ -0,0 +1,245 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+
+{{## def.validateAdditional:
+  {{ /* additionalProperties is schema */
+    $it.schema = $aProperties;
+    $it.schemaPath = it.schemaPath + '.additionalProperties';
+    $it.errSchemaPath = it.errSchemaPath + '/additionalProperties';
+    $it.errorPath = it.opts._errorDataPathProperty
+                    ? it.errorPath
+                    : it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+    var $passData = $data + '[' + $key + ']';
+    $it.dataPathArr[$dataNxt] = $key;
+  }}
+
+  {{# def.generateSubschemaCode }}
+  {{# def.optimizeValidate }}
+#}}
+
+
+{{
+  var $key = 'key' + $lvl
+    , $idx = 'idx' + $lvl
+    , $dataNxt = $it.dataLevel = it.dataLevel + 1
+    , $nextData = 'data' + $dataNxt
+    , $dataProperties = 'dataProperties' + $lvl;
+
+  var $schemaKeys = Object.keys($schema || {}).filter(notProto)
+    , $pProperties = it.schema.patternProperties || {}
+    , $pPropertyKeys = Object.keys($pProperties).filter(notProto)
+    , $aProperties = it.schema.additionalProperties
+    , $someProperties = $schemaKeys.length || $pPropertyKeys.length
+    , $noAdditional = $aProperties === false
+    , $additionalIsSchema = typeof $aProperties == 'object'
+                              && Object.keys($aProperties).length
+    , $removeAdditional = it.opts.removeAdditional
+    , $checkAdditional = $noAdditional || $additionalIsSchema || $removeAdditional
+    , $ownProperties = it.opts.ownProperties
+    , $currentBaseId = it.baseId;
+
+  var $required = it.schema.required;
+  if ($required && !(it.opts.$data && $required.$data) && $required.length < it.opts.loopRequired) {
+    var $requiredHash = it.util.toHash($required);
+  }
+
+  function notProto(p) { return p !== '__proto__'; }
+}}
+
+
+var {{=$errs}} = errors;
+var {{=$nextValid}} = true;
+{{? $ownProperties }}
+  var {{=$dataProperties}} = undefined;
+{{?}}
+
+{{? $checkAdditional }}
+  {{# def.iterateProperties }}
+    {{? $someProperties }}
+      var isAdditional{{=$lvl}} = !(false
+        {{? $schemaKeys.length }}
+          {{? $schemaKeys.length > 8 }}
+            || validate.schema{{=$schemaPath}}.hasOwnProperty({{=$key}})
+          {{??}}
+            {{~ $schemaKeys:$propertyKey }}
+              || {{=$key}} == {{= it.util.toQuotedString($propertyKey) }}
+            {{~}}
+          {{?}}
+        {{?}}
+        {{? $pPropertyKeys.length }}
+          {{~ $pPropertyKeys:$pProperty:$i }}
+            || {{= it.usePattern($pProperty) }}.test({{=$key}})
+          {{~}}
+        {{?}}
+      );
+
+      if (isAdditional{{=$lvl}}) {
+    {{?}}
+    {{? $removeAdditional == 'all' }}
+      delete {{=$data}}[{{=$key}}];
+    {{??}}
+      {{
+        var $currentErrorPath = it.errorPath;
+        var $additionalProperty = '\' + ' + $key + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+        }
+      }}
+      {{? $noAdditional }}
+        {{? $removeAdditional }}
+          delete {{=$data}}[{{=$key}}];
+        {{??}}
+          {{=$nextValid}} = false;
+          {{
+            var $currErrSchemaPath = $errSchemaPath;
+            $errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          }}
+          {{# def.error:'additionalProperties' }}
+          {{ $errSchemaPath = $currErrSchemaPath; }}
+          {{? $breakOnError }} break; {{?}}
+        {{?}}
+      {{?? $additionalIsSchema }}
+        {{? $removeAdditional == 'failing' }}
+          var {{=$errs}} = errors;
+          {{# def.setCompositeRule }}
+
+          {{# def.validateAdditional }}
+
+          if (!{{=$nextValid}}) {
+            errors = {{=$errs}};
+            if (validate.errors !== null) {
+              if (errors) validate.errors.length = errors;
+              else validate.errors = null;
+            }
+            delete {{=$data}}[{{=$key}}];
+          }
+
+          {{# def.resetCompositeRule }}
+        {{??}}
+          {{# def.validateAdditional }}
+          {{? $breakOnError }} if (!{{=$nextValid}}) break; {{?}}
+        {{?}}
+      {{?}}
+      {{ it.errorPath = $currentErrorPath; }}
+    {{?}}
+    {{? $someProperties }}
+      }
+    {{?}}
+  }
+
+  {{# def.ifResultValid }}
+{{?}}
+
+{{ var $useDefaults = it.opts.useDefaults && !it.compositeRule; }}
+
+{{? $schemaKeys.length }}
+  {{~ $schemaKeys:$propertyKey }}
+    {{ var $sch = $schema[$propertyKey]; }}
+
+    {{? {{# def.nonEmptySchema:$sch}} }}
+      {{
+        var $prop = it.util.getProperty($propertyKey)
+          , $passData = $data + $prop
+          , $hasDefault = $useDefaults && $sch.default !== undefined;
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + $prop;
+        $it.errSchemaPath = $errSchemaPath + '/' + it.util.escapeFragment($propertyKey);
+        $it.errorPath = it.util.getPath(it.errorPath, $propertyKey, it.opts.jsonPointers);
+        $it.dataPathArr[$dataNxt] = it.util.toQuotedString($propertyKey);
+      }}
+
+      {{# def.generateSubschemaCode }}
+
+      {{? {{# def.willOptimize }} }}
+        {{
+          $code = {{# def._optimizeValidate }};
+          var $useData = $passData;
+        }}
+      {{??}}
+        {{ var $useData = $nextData; }}
+        var {{=$nextData}} = {{=$passData}};
+      {{?}}
+
+      {{? $hasDefault }}
+        {{= $code }}
+      {{??}}
+        {{? $requiredHash && $requiredHash[$propertyKey] }}
+          if ({{# def.noPropertyInData }}) {
+            {{=$nextValid}} = false;
+            {{
+              var $currentErrorPath = it.errorPath
+                , $currErrSchemaPath = $errSchemaPath
+                , $missingProperty = it.util.escapeQuotes($propertyKey);
+              if (it.opts._errorDataPathProperty) {
+                it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+              }
+              $errSchemaPath = it.errSchemaPath + '/required';
+            }}
+            {{# def.error:'required' }}
+            {{ $errSchemaPath = $currErrSchemaPath; }}
+            {{ it.errorPath = $currentErrorPath; }}
+          } else {
+        {{??}}
+          {{? $breakOnError }}
+            if ({{# def.noPropertyInData }}) {
+              {{=$nextValid}} = true;
+            } else {
+          {{??}}
+            if ({{=$useData}} !== undefined
+              {{? $ownProperties }}
+                && {{# def.isOwnProperty }}
+              {{?}}
+            ) {
+          {{?}}
+        {{?}}
+
+          {{= $code }}
+        }
+      {{?}}  {{ /* $hasDefault */ }}
+    {{?}} {{ /* def.nonEmptySchema */ }}
+
+    {{# def.ifResultValid }}
+  {{~}}
+{{?}}
+
+{{? $pPropertyKeys.length }}
+  {{~ $pPropertyKeys:$pProperty }}
+    {{ var $sch = $pProperties[$pProperty]; }}
+
+    {{? {{# def.nonEmptySchema:$sch}} }}
+      {{
+        $it.schema = $sch;
+        $it.schemaPath = it.schemaPath + '.patternProperties' + it.util.getProperty($pProperty);
+        $it.errSchemaPath = it.errSchemaPath + '/patternProperties/'
+                                             + it.util.escapeFragment($pProperty);
+      }}
+
+      {{# def.iterateProperties }}
+        if ({{= it.usePattern($pProperty) }}.test({{=$key}})) {
+          {{
+            $it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+            var $passData = $data + '[' + $key + ']';
+            $it.dataPathArr[$dataNxt] = $key;
+          }}
+
+          {{# def.generateSubschemaCode }}
+          {{# def.optimizeValidate }}
+
+          {{? $breakOnError }} if (!{{=$nextValid}}) break; {{?}}
+        }
+        {{? $breakOnError }} else {{=$nextValid}} = true; {{?}}
+      }
+
+      {{# def.ifResultValid }}
+    {{?}} {{ /* def.nonEmptySchema */ }}
+  {{~}}
+{{?}}
+
+
+{{? $breakOnError }}
+  {{= $closingBraces }}
+  if ({{=$errs}} == errors) {
+{{?}}
diff --git a/node_modules/ajv/lib/dot/propertyNames.jst b/node_modules/ajv/lib/dot/propertyNames.jst
new file mode 100644
index 000000000..d456ccafc
--- /dev/null
+++ b/node_modules/ajv/lib/dot/propertyNames.jst
@@ -0,0 +1,52 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.setupNextLevel }}
+
+var {{=$errs}} = errors;
+
+{{? {{# def.nonEmptySchema:$schema }} }}
+  {{
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+  }}
+
+  {{
+    var $key = 'key' + $lvl
+      , $idx = 'idx' + $lvl
+      , $i = 'i' + $lvl
+      , $invalidName = '\' + ' + $key + ' + \''
+      , $dataNxt = $it.dataLevel = it.dataLevel + 1
+      , $nextData = 'data' + $dataNxt
+      , $dataProperties = 'dataProperties' + $lvl
+      , $ownProperties = it.opts.ownProperties
+      , $currentBaseId = it.baseId;
+  }}
+
+  {{? $ownProperties }}
+    var {{=$dataProperties}} = undefined;
+  {{?}}
+  {{# def.iterateProperties }}
+    var startErrs{{=$lvl}} = errors;
+
+    {{ var $passData = $key; }}
+    {{# def.setCompositeRule }}
+    {{# def.generateSubschemaCode }}
+    {{# def.optimizeValidate }}
+    {{# def.resetCompositeRule }}
+
+    if (!{{=$nextValid}}) {
+      for (var {{=$i}}=startErrs{{=$lvl}}; {{=$i}}<errors; {{=$i}}++) {
+        vErrors[{{=$i}}].propertyName = {{=$key}};
+      }
+      {{# def.extraError:'propertyNames' }}
+      {{? $breakOnError }} break; {{?}}
+    }
+  }
+{{?}}
+
+{{? $breakOnError }}
+  {{= $closingBraces }}
+  if ({{=$errs}} == errors) {
+{{?}}
diff --git a/node_modules/ajv/lib/dot/ref.jst b/node_modules/ajv/lib/dot/ref.jst
new file mode 100644
index 000000000..253e3507c
--- /dev/null
+++ b/node_modules/ajv/lib/dot/ref.jst
@@ -0,0 +1,85 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+
+{{## def._validateRef:_v:
+  {{? it.opts.passContext }}
+    {{=_v}}.call(this,
+  {{??}}
+    {{=_v}}(
+  {{?}}
+    {{=$data}}, {{# def.dataPath }}{{# def.passParentData }}, rootData)
+#}}
+
+{{ var $async, $refCode; }}
+{{? $schema == '#' || $schema == '#/' }}
+  {{
+    if (it.isRoot) {
+      $async = it.async;
+      $refCode = 'validate';
+    } else {
+      $async = it.root.schema.$async === true;
+      $refCode = 'root.refVal[0]';
+    }
+  }}
+{{??}}
+  {{ var $refVal = it.resolveRef(it.baseId, $schema, it.isRoot); }}
+  {{? $refVal === undefined }}
+    {{ var $message = it.MissingRefError.message(it.baseId, $schema); }}
+    {{? it.opts.missingRefs == 'fail' }}
+      {{ it.logger.error($message); }}
+      {{# def.error:'$ref' }}
+      {{? $breakOnError }} if (false) { {{?}}
+    {{?? it.opts.missingRefs == 'ignore' }}
+      {{ it.logger.warn($message); }}
+      {{? $breakOnError }} if (true) { {{?}}
+    {{??}}
+      {{ throw new it.MissingRefError(it.baseId, $schema, $message); }}
+    {{?}}
+  {{?? $refVal.inline }}
+    {{# def.setupNextLevel }}
+    {{
+      $it.schema = $refVal.schema;
+      $it.schemaPath = '';
+      $it.errSchemaPath = $schema;
+    }}
+    {{ var $code = it.validate($it).replace(/validate\.schema/g, $refVal.code); }}
+    {{= $code }}
+    {{? $breakOnError}}
+      if ({{=$nextValid}}) {
+    {{?}}
+  {{??}}
+    {{
+      $async = $refVal.$async === true || (it.async && $refVal.$async !== false);
+      $refCode = $refVal.code;
+    }}
+  {{?}}
+{{?}}
+
+{{? $refCode }}
+  {{# def.beginDefOut}}
+    {{# def._validateRef:$refCode }}
+  {{# def.storeDefOut:__callValidate }}
+
+  {{? $async }}
+    {{ if (!it.async) throw new Error('async schema referenced by sync schema'); }}
+    {{? $breakOnError }} var {{=$valid}}; {{?}}
+    try {
+      await {{=__callValidate}};
+      {{? $breakOnError }} {{=$valid}} = true; {{?}}
+    } catch (e) {
+      if (!(e instanceof ValidationError)) throw e;
+      if (vErrors === null) vErrors = e.errors;
+      else vErrors = vErrors.concat(e.errors);
+      errors = vErrors.length;
+      {{? $breakOnError }} {{=$valid}} = false; {{?}}
+    }
+    {{? $breakOnError }} if ({{=$valid}}) { {{?}}
+  {{??}}
+    if (!{{=__callValidate}}) {
+      if (vErrors === null) vErrors = {{=$refCode}}.errors;
+      else vErrors = vErrors.concat({{=$refCode}}.errors);
+      errors = vErrors.length;
+    } {{? $breakOnError }} else { {{?}}
+  {{?}}
+{{?}}
diff --git a/node_modules/ajv/lib/dot/required.jst b/node_modules/ajv/lib/dot/required.jst
new file mode 100644
index 000000000..80fde35e8
--- /dev/null
+++ b/node_modules/ajv/lib/dot/required.jst
@@ -0,0 +1,108 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.missing }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+{{ var $vSchema = 'schema' + $lvl; }}
+
+{{## def.setupLoop:
+  {{? !$isData }}
+    var {{=$vSchema}} = validate.schema{{=$schemaPath}};
+  {{?}}
+
+  {{
+    var $i = 'i' + $lvl
+      , $propertyPath = 'schema' + $lvl + '[' + $i + ']'
+      , $missingProperty = '\' + ' + $propertyPath + ' + \'';
+    if (it.opts._errorDataPathProperty) {
+      it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
+    }
+  }}
+#}}
+
+
+{{## def.isRequiredOwnProperty:
+  Object.prototype.hasOwnProperty.call({{=$data}}, {{=$vSchema}}[{{=$i}}])
+#}}
+
+
+{{? !$isData }}
+  {{? $schema.length < it.opts.loopRequired &&
+      it.schema.properties && Object.keys(it.schema.properties).length }}
+    {{ var $required = []; }}
+    {{~ $schema:$property }}
+      {{ var $propertySch = it.schema.properties[$property]; }}
+      {{? !($propertySch && {{# def.nonEmptySchema:$propertySch}}) }}
+        {{ $required[$required.length] = $property; }}
+      {{?}}
+    {{~}}
+  {{??}}
+    {{ var $required = $schema; }}
+  {{?}}
+{{?}}
+
+
+{{? $isData || $required.length }}
+  {{
+    var $currentErrorPath = it.errorPath
+      , $loopRequired = $isData || $required.length >= it.opts.loopRequired
+      , $ownProperties = it.opts.ownProperties;
+  }}
+
+  {{? $breakOnError }}
+    var missing{{=$lvl}};
+    {{? $loopRequired }}
+      {{# def.setupLoop }}
+      var {{=$valid}} = true;
+
+      {{?$isData}}{{# def.check$dataIsArray }}{{?}}
+
+      for (var {{=$i}} = 0; {{=$i}} < {{=$vSchema}}.length; {{=$i}}++) {
+        {{=$valid}} = {{=$data}}[{{=$vSchema}}[{{=$i}}]] !== undefined
+                      {{? $ownProperties }}
+                        && {{# def.isRequiredOwnProperty }}
+                      {{?}};
+        if (!{{=$valid}}) break;
+      }
+
+      {{? $isData }}  }  {{?}}
+
+      {{# def.checkError:'required' }}
+      else {
+    {{??}}
+      if ({{# def.checkMissingProperty:$required }}) {
+        {{# def.errorMissingProperty:'required' }}
+      } else {
+    {{?}}
+  {{??}}
+    {{? $loopRequired }}
+      {{# def.setupLoop }}
+      {{? $isData }}
+        if ({{=$vSchema}} && !Array.isArray({{=$vSchema}})) {
+          {{# def.addError:'required' }}
+        } else if ({{=$vSchema}} !== undefined) {
+      {{?}}
+
+      for (var {{=$i}} = 0; {{=$i}} < {{=$vSchema}}.length; {{=$i}}++) {
+        if ({{=$data}}[{{=$vSchema}}[{{=$i}}]] === undefined
+            {{? $ownProperties }}
+              || !{{# def.isRequiredOwnProperty }}
+            {{?}}) {
+          {{# def.addError:'required' }}
+        }
+      }
+
+      {{? $isData }}  }  {{?}}
+    {{??}}
+      {{~ $required:$propertyKey }}
+        {{# def.allErrorsMissingProperty:'required' }}
+      {{~}}
+    {{?}}
+  {{?}}
+
+  {{ it.errorPath = $currentErrorPath; }}
+
+{{?? $breakOnError }}
+  if (true) {
+{{?}}
diff --git a/node_modules/ajv/lib/dot/uniqueItems.jst b/node_modules/ajv/lib/dot/uniqueItems.jst
new file mode 100644
index 000000000..e69b8308d
--- /dev/null
+++ b/node_modules/ajv/lib/dot/uniqueItems.jst
@@ -0,0 +1,62 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.setupKeyword }}
+{{# def.$data }}
+
+
+{{? ($schema || $isData) && it.opts.uniqueItems !== false }}
+  {{? $isData }}
+    var {{=$valid}};
+    if ({{=$schemaValue}} === false || {{=$schemaValue}} === undefined)
+      {{=$valid}} = true;
+    else if (typeof {{=$schemaValue}} != 'boolean')
+      {{=$valid}} = false;
+    else {
+  {{?}}
+
+  var i = {{=$data}}.length
+    , {{=$valid}} = true
+    , j;
+  if (i > 1) {
+    {{
+      var $itemType = it.schema.items && it.schema.items.type
+        , $typeIsArray = Array.isArray($itemType);
+    }}
+    {{? !$itemType || $itemType == 'object' || $itemType == 'array' ||
+        ($typeIsArray && ($itemType.indexOf('object') >= 0 || $itemType.indexOf('array') >= 0)) }}
+      outer:
+      for (;i--;) {
+        for (j = i; j--;) {
+          if (equal({{=$data}}[i], {{=$data}}[j])) {
+            {{=$valid}} = false;
+            break outer;
+          }
+        }
+      }
+    {{??}}
+      var itemIndices = {}, item;
+      for (;i--;) {
+        var item = {{=$data}}[i];
+        {{ var $method = 'checkDataType' + ($typeIsArray ? 's' : ''); }}
+        if ({{= it.util[$method]($itemType, 'item', it.opts.strictNumbers, true) }}) continue;
+        {{? $typeIsArray}}
+          if (typeof item == 'string') item = '"' + item;
+        {{?}}
+        if (typeof itemIndices[item] == 'number') {
+          {{=$valid}} = false;
+          j = itemIndices[item];
+          break;
+        }
+        itemIndices[item] = i;
+      }
+    {{?}}
+  }
+
+  {{? $isData }}  }  {{?}}
+
+  if (!{{=$valid}}) {
+    {{# def.error:'uniqueItems' }}
+  } {{? $breakOnError }} else { {{?}}
+{{??}}
+  {{? $breakOnError }} if (true) { {{?}}
+{{?}}
diff --git a/node_modules/ajv/lib/dot/validate.jst b/node_modules/ajv/lib/dot/validate.jst
new file mode 100644
index 000000000..32087e71c
--- /dev/null
+++ b/node_modules/ajv/lib/dot/validate.jst
@@ -0,0 +1,276 @@
+{{# def.definitions }}
+{{# def.errors }}
+{{# def.defaults }}
+{{# def.coerce }}
+
+{{ /**
+    * schema compilation (render) time:
+    * it = { schema, RULES, _validate, opts }
+    * it.validate - this template function,
+    *   it is used recursively to generate code for subschemas
+    *
+    * runtime:
+    * "validate" is a variable name to which this function will be assigned
+    * validateRef etc. are defined in the parent scope in index.js
+    */ }}
+
+{{
+  var $async = it.schema.$async === true
+    , $refKeywords = it.util.schemaHasRulesExcept(it.schema, it.RULES.all, '$ref')
+    , $id = it.self._getId(it.schema);
+}}
+
+{{
+  if (it.opts.strictKeywords) {
+    var $unknownKwd = it.util.schemaUnknownRules(it.schema, it.RULES.keywords);
+    if ($unknownKwd) {
+      var $keywordsMsg = 'unknown keyword: ' + $unknownKwd;
+      if (it.opts.strictKeywords === 'log') it.logger.warn($keywordsMsg);
+      else throw new Error($keywordsMsg);
+    }
+  }
+}}
+
+{{? it.isTop }}
+  var validate = {{?$async}}{{it.async = true;}}async {{?}}function(data, dataPath, parentData, parentDataProperty, rootData) {
+    'use strict';
+    {{? $id && (it.opts.sourceCode || it.opts.processCode) }}
+      {{= '/\*# sourceURL=' + $id + ' */' }}
+    {{?}}
+{{?}}
+
+{{? typeof it.schema == 'boolean' || !($refKeywords || it.schema.$ref) }}
+  {{ var $keyword = 'false schema'; }}
+  {{# def.setupKeyword }}
+  {{? it.schema === false}}
+    {{? it.isTop}}
+      {{ $breakOnError = true; }}
+    {{??}}
+      var {{=$valid}} = false;
+    {{?}}
+    {{# def.error:'false schema' }}
+  {{??}}
+    {{? it.isTop}}
+      {{? $async }}
+        return data;
+      {{??}}
+        validate.errors = null;
+        return true;
+      {{?}}
+    {{??}}
+      var {{=$valid}} = true;
+    {{?}}
+  {{?}}
+
+  {{? it.isTop}}
+    };
+    return validate;
+  {{?}}
+
+  {{ return out; }}
+{{?}}
+
+
+{{? it.isTop }}
+  {{
+    var $top = it.isTop
+      , $lvl = it.level = 0
+      , $dataLvl = it.dataLevel = 0
+      , $data = 'data';
+    it.rootId = it.resolve.fullPath(it.self._getId(it.root.schema));
+    it.baseId = it.baseId || it.rootId;
+    delete it.isTop;
+
+    it.dataPathArr = [""];
+
+    if (it.schema.default !== undefined && it.opts.useDefaults && it.opts.strictDefaults) {
+      var $defaultMsg = 'default is ignored in the schema root';
+      if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+      else throw new Error($defaultMsg);
+    }
+  }}
+
+  var vErrors = null; {{ /* don't edit, used in replace */ }}
+  var errors = 0;     {{ /* don't edit, used in replace */ }}
+  if (rootData === undefined) rootData = data; {{ /* don't edit, used in replace */ }}
+{{??}}
+  {{
+    var $lvl = it.level
+      , $dataLvl = it.dataLevel
+      , $data = 'data' + ($dataLvl || '');
+
+    if ($id) it.baseId = it.resolve.url(it.baseId, $id);
+
+    if ($async && !it.async) throw new Error('async schema in sync schema');
+  }}
+
+  var errs_{{=$lvl}} = errors;
+{{?}}
+
+{{
+  var $valid = 'valid' + $lvl
+    , $breakOnError = !it.opts.allErrors
+    , $closingBraces1 = ''
+    , $closingBraces2 = '';
+
+  var $errorKeyword;
+  var $typeSchema = it.schema.type
+    , $typeIsArray = Array.isArray($typeSchema);
+
+  if ($typeSchema && it.opts.nullable && it.schema.nullable === true) {
+    if ($typeIsArray) {
+      if ($typeSchema.indexOf('null') == -1)
+        $typeSchema = $typeSchema.concat('null');
+    } else if ($typeSchema != 'null') {
+      $typeSchema = [$typeSchema, 'null'];
+      $typeIsArray = true;
+    }
+  }
+
+  if ($typeIsArray && $typeSchema.length == 1) {
+    $typeSchema = $typeSchema[0];
+    $typeIsArray = false;
+  }
+}}
+
+{{## def.checkType:
+  {{
+    var $schemaPath = it.schemaPath + '.type'
+      , $errSchemaPath = it.errSchemaPath + '/type'
+      , $method = $typeIsArray ? 'checkDataTypes' : 'checkDataType';
+  }}
+
+  if ({{= it.util[$method]($typeSchema, $data, it.opts.strictNumbers, true) }}) {
+#}}
+
+{{? it.schema.$ref && $refKeywords }}
+  {{? it.opts.extendRefs == 'fail' }}
+    {{ throw new Error('$ref: validation keywords used in schema at path "' + it.errSchemaPath + '" (see option extendRefs)'); }}
+  {{?? it.opts.extendRefs !== true }}
+    {{
+      $refKeywords = false;
+      it.logger.warn('$ref: keywords ignored in schema at path "' + it.errSchemaPath + '"');
+    }}
+  {{?}}
+{{?}}
+
+{{? it.schema.$comment && it.opts.$comment }}
+  {{= it.RULES.all.$comment.code(it, '$comment') }}
+{{?}}
+
+{{? $typeSchema }}
+  {{? it.opts.coerceTypes }}
+    {{ var $coerceToTypes = it.util.coerceToTypes(it.opts.coerceTypes, $typeSchema); }}
+  {{?}}
+
+  {{ var $rulesGroup = it.RULES.types[$typeSchema]; }}
+  {{? $coerceToTypes || $typeIsArray || $rulesGroup === true ||
+    ($rulesGroup && !$shouldUseGroup($rulesGroup)) }}
+    {{
+      var $schemaPath = it.schemaPath + '.type'
+        , $errSchemaPath = it.errSchemaPath + '/type';
+    }}
+    {{# def.checkType }}
+      {{? $coerceToTypes }}
+        {{# def.coerceType }}
+      {{??}}
+        {{# def.error:'type' }}
+      {{?}}
+    }
+  {{?}}
+{{?}}
+
+
+{{? it.schema.$ref && !$refKeywords }}
+  {{= it.RULES.all.$ref.code(it, '$ref') }}
+  {{? $breakOnError }}
+    }
+    if (errors === {{?$top}}0{{??}}errs_{{=$lvl}}{{?}}) {
+    {{ $closingBraces2 += '}'; }}
+  {{?}}
+{{??}}
+  {{~ it.RULES:$rulesGroup }}
+    {{? $shouldUseGroup($rulesGroup) }}
+      {{? $rulesGroup.type }}
+        if ({{= it.util.checkDataType($rulesGroup.type, $data, it.opts.strictNumbers) }}) {
+      {{?}}
+        {{? it.opts.useDefaults }}
+          {{? $rulesGroup.type == 'object' && it.schema.properties }}
+            {{# def.defaultProperties }}
+          {{?? $rulesGroup.type == 'array' && Array.isArray(it.schema.items) }}
+            {{# def.defaultItems }}
+          {{?}}
+        {{?}}
+        {{~ $rulesGroup.rules:$rule }}
+          {{? $shouldUseRule($rule) }}
+            {{ var $code = $rule.code(it, $rule.keyword, $rulesGroup.type); }}
+            {{? $code }}
+              {{= $code }}
+              {{? $breakOnError }}
+                {{ $closingBraces1 += '}'; }}
+              {{?}}
+            {{?}}
+          {{?}}
+        {{~}}
+        {{? $breakOnError }}
+          {{= $closingBraces1 }}
+          {{ $closingBraces1 = ''; }}
+        {{?}}
+      {{? $rulesGroup.type }}
+        }
+        {{? $typeSchema && $typeSchema === $rulesGroup.type && !$coerceToTypes }}
+          else {
+            {{
+              var $schemaPath = it.schemaPath + '.type'
+                , $errSchemaPath = it.errSchemaPath + '/type';
+            }}
+            {{# def.error:'type' }}
+          }
+        {{?}}
+      {{?}}
+
+      {{? $breakOnError }}
+        if (errors === {{?$top}}0{{??}}errs_{{=$lvl}}{{?}}) {
+        {{ $closingBraces2 += '}'; }}
+      {{?}}
+    {{?}}
+  {{~}}
+{{?}}
+
+{{? $breakOnError }} {{= $closingBraces2 }} {{?}}
+
+{{? $top }}
+    {{? $async }}
+      if (errors === 0) return data;           {{ /* don't edit, used in replace */ }}
+      else throw new ValidationError(vErrors); {{ /* don't edit, used in replace */ }}
+    {{??}}
+      validate.errors = vErrors; {{ /* don't edit, used in replace */ }}
+      return errors === 0;       {{ /* don't edit, used in replace */ }}
+    {{?}}
+  };
+
+  return validate;
+{{??}}
+  var {{=$valid}} = errors === errs_{{=$lvl}};
+{{?}}
+
+{{
+  function $shouldUseGroup($rulesGroup) {
+    var rules = $rulesGroup.rules;
+    for (var i=0; i < rules.length; i++)
+      if ($shouldUseRule(rules[i]))
+        return true;
+  }
+
+  function $shouldUseRule($rule) {
+    return it.schema[$rule.keyword] !== undefined ||
+           ($rule.implements && $ruleImplementsSomeKeyword($rule));
+  }
+
+  function $ruleImplementsSomeKeyword($rule) {
+    var impl = $rule.implements;
+    for (var i=0; i < impl.length; i++)
+      if (it.schema[impl[i]] !== undefined)
+        return true;
+  }
+}}
diff --git a/node_modules/ajv/lib/dotjs/README.md b/node_modules/ajv/lib/dotjs/README.md
new file mode 100644
index 000000000..4d994846c
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/README.md
@@ -0,0 +1,3 @@
+These files are compiled dot templates from dot folder.
+
+Do NOT edit them directly, edit the templates and run `npm run build` from main ajv folder.
diff --git a/node_modules/ajv/lib/dotjs/_limit.js b/node_modules/ajv/lib/dotjs/_limit.js
new file mode 100644
index 000000000..05a1979dc
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/_limit.js
@@ -0,0 +1,163 @@
+'use strict';
+module.exports = function generate__limit(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $isMax = $keyword == 'maximum',
+    $exclusiveKeyword = $isMax ? 'exclusiveMaximum' : 'exclusiveMinimum',
+    $schemaExcl = it.schema[$exclusiveKeyword],
+    $isDataExcl = it.opts.$data && $schemaExcl && $schemaExcl.$data,
+    $op = $isMax ? '<' : '>',
+    $notOp = $isMax ? '>' : '<',
+    $errorKeyword = undefined;
+  if (!($isData || typeof $schema == 'number' || $schema === undefined)) {
+    throw new Error($keyword + ' must be number');
+  }
+  if (!($isDataExcl || $schemaExcl === undefined || typeof $schemaExcl == 'number' || typeof $schemaExcl == 'boolean')) {
+    throw new Error($exclusiveKeyword + ' must be number or boolean');
+  }
+  if ($isDataExcl) {
+    var $schemaValueExcl = it.util.getData($schemaExcl.$data, $dataLvl, it.dataPathArr),
+      $exclusive = 'exclusive' + $lvl,
+      $exclType = 'exclType' + $lvl,
+      $exclIsNumber = 'exclIsNumber' + $lvl,
+      $opExpr = 'op' + $lvl,
+      $opStr = '\' + ' + $opExpr + ' + \'';
+    out += ' var schemaExcl' + ($lvl) + ' = ' + ($schemaValueExcl) + '; ';
+    $schemaValueExcl = 'schemaExcl' + $lvl;
+    out += ' var ' + ($exclusive) + '; var ' + ($exclType) + ' = typeof ' + ($schemaValueExcl) + '; if (' + ($exclType) + ' != \'boolean\' && ' + ($exclType) + ' != \'undefined\' && ' + ($exclType) + ' != \'number\') { ';
+    var $errorKeyword = $exclusiveKeyword;
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = ''; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ($errorKeyword || '_exclusiveLimit') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'' + ($exclusiveKeyword) + ' should be boolean\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    var __err = out;
+    out = $$outStack.pop();
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + (__err) + ']); ';
+      } else {
+        out += ' validate.errors = [' + (__err) + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+    out += ' } else if ( ';
+    if ($isData) {
+      out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+    }
+    out += ' ' + ($exclType) + ' == \'number\' ? ( (' + ($exclusive) + ' = ' + ($schemaValue) + ' === undefined || ' + ($schemaValueExcl) + ' ' + ($op) + '= ' + ($schemaValue) + ') ? ' + ($data) + ' ' + ($notOp) + '= ' + ($schemaValueExcl) + ' : ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' ) : ( (' + ($exclusive) + ' = ' + ($schemaValueExcl) + ' === true) ? ' + ($data) + ' ' + ($notOp) + '= ' + ($schemaValue) + ' : ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' ) || ' + ($data) + ' !== ' + ($data) + ') { var op' + ($lvl) + ' = ' + ($exclusive) + ' ? \'' + ($op) + '\' : \'' + ($op) + '=\'; ';
+    if ($schema === undefined) {
+      $errorKeyword = $exclusiveKeyword;
+      $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+      $schemaValue = $schemaValueExcl;
+      $isData = $isDataExcl;
+    }
+  } else {
+    var $exclIsNumber = typeof $schemaExcl == 'number',
+      $opStr = $op;
+    if ($exclIsNumber && $isData) {
+      var $opExpr = '\'' + $opStr + '\'';
+      out += ' if ( ';
+      if ($isData) {
+        out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+      }
+      out += ' ( ' + ($schemaValue) + ' === undefined || ' + ($schemaExcl) + ' ' + ($op) + '= ' + ($schemaValue) + ' ? ' + ($data) + ' ' + ($notOp) + '= ' + ($schemaExcl) + ' : ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' ) || ' + ($data) + ' !== ' + ($data) + ') { ';
+    } else {
+      if ($exclIsNumber && $schema === undefined) {
+        $exclusive = true;
+        $errorKeyword = $exclusiveKeyword;
+        $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+        $schemaValue = $schemaExcl;
+        $notOp += '=';
+      } else {
+        if ($exclIsNumber) $schemaValue = Math[$isMax ? 'min' : 'max']($schemaExcl, $schema);
+        if ($schemaExcl === ($exclIsNumber ? $schemaValue : true)) {
+          $exclusive = true;
+          $errorKeyword = $exclusiveKeyword;
+          $errSchemaPath = it.errSchemaPath + '/' + $exclusiveKeyword;
+          $notOp += '=';
+        } else {
+          $exclusive = false;
+          $opStr += '=';
+        }
+      }
+      var $opExpr = '\'' + $opStr + '\'';
+      out += ' if ( ';
+      if ($isData) {
+        out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+      }
+      out += ' ' + ($data) + ' ' + ($notOp) + ' ' + ($schemaValue) + ' || ' + ($data) + ' !== ' + ($data) + ') { ';
+    }
+  }
+  $errorKeyword = $errorKeyword || $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limit') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { comparison: ' + ($opExpr) + ', limit: ' + ($schemaValue) + ', exclusive: ' + ($exclusive) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be ' + ($opStr) + ' ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue);
+      } else {
+        out += '' + ($schemaValue) + '\'';
+      }
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' } ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/_limitItems.js b/node_modules/ajv/lib/dotjs/_limitItems.js
new file mode 100644
index 000000000..e092a559e
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/_limitItems.js
@@ -0,0 +1,80 @@
+'use strict';
+module.exports = function generate__limitItems(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!($isData || typeof $schema == 'number')) {
+    throw new Error($keyword + ' must be number');
+  }
+  var $op = $keyword == 'maxItems' ? '>' : '<';
+  out += 'if ( ';
+  if ($isData) {
+    out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+  }
+  out += ' ' + ($data) + '.length ' + ($op) + ' ' + ($schemaValue) + ') { ';
+  var $errorKeyword = $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limitItems') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { limit: ' + ($schemaValue) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should NOT have ';
+      if ($keyword == 'maxItems') {
+        out += 'more';
+      } else {
+        out += 'fewer';
+      }
+      out += ' than ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + ($schema);
+      }
+      out += ' items\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/_limitLength.js b/node_modules/ajv/lib/dotjs/_limitLength.js
new file mode 100644
index 000000000..ecbd3fe19
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/_limitLength.js
@@ -0,0 +1,85 @@
+'use strict';
+module.exports = function generate__limitLength(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!($isData || typeof $schema == 'number')) {
+    throw new Error($keyword + ' must be number');
+  }
+  var $op = $keyword == 'maxLength' ? '>' : '<';
+  out += 'if ( ';
+  if ($isData) {
+    out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+  }
+  if (it.opts.unicode === false) {
+    out += ' ' + ($data) + '.length ';
+  } else {
+    out += ' ucs2length(' + ($data) + ') ';
+  }
+  out += ' ' + ($op) + ' ' + ($schemaValue) + ') { ';
+  var $errorKeyword = $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limitLength') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { limit: ' + ($schemaValue) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should NOT be ';
+      if ($keyword == 'maxLength') {
+        out += 'longer';
+      } else {
+        out += 'shorter';
+      }
+      out += ' than ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + ($schema);
+      }
+      out += ' characters\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/_limitProperties.js b/node_modules/ajv/lib/dotjs/_limitProperties.js
new file mode 100644
index 000000000..d232755ad
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/_limitProperties.js
@@ -0,0 +1,80 @@
+'use strict';
+module.exports = function generate__limitProperties(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!($isData || typeof $schema == 'number')) {
+    throw new Error($keyword + ' must be number');
+  }
+  var $op = $keyword == 'maxProperties' ? '>' : '<';
+  out += 'if ( ';
+  if ($isData) {
+    out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'number\') || ';
+  }
+  out += ' Object.keys(' + ($data) + ').length ' + ($op) + ' ' + ($schemaValue) + ') { ';
+  var $errorKeyword = $keyword;
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ($errorKeyword || '_limitProperties') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { limit: ' + ($schemaValue) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should NOT have ';
+      if ($keyword == 'maxProperties') {
+        out += 'more';
+      } else {
+        out += 'fewer';
+      }
+      out += ' than ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + ($schema);
+      }
+      out += ' properties\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/allOf.js b/node_modules/ajv/lib/dotjs/allOf.js
new file mode 100644
index 000000000..fb8c2e4bb
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/allOf.js
@@ -0,0 +1,42 @@
+'use strict';
+module.exports = function generate_allOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $currentBaseId = $it.baseId,
+    $allSchemasEmpty = true;
+  var arr1 = $schema;
+  if (arr1) {
+    var $sch, $i = -1,
+      l1 = arr1.length - 1;
+    while ($i < l1) {
+      $sch = arr1[$i += 1];
+      if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+        $allSchemasEmpty = false;
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + '[' + $i + ']';
+        $it.errSchemaPath = $errSchemaPath + '/' + $i;
+        out += '  ' + (it.validate($it)) + ' ';
+        $it.baseId = $currentBaseId;
+        if ($breakOnError) {
+          out += ' if (' + ($nextValid) + ') { ';
+          $closingBraces += '}';
+        }
+      }
+    }
+  }
+  if ($breakOnError) {
+    if ($allSchemasEmpty) {
+      out += ' if (true) { ';
+    } else {
+      out += ' ' + ($closingBraces.slice(0, -1)) + ' ';
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/anyOf.js b/node_modules/ajv/lib/dotjs/anyOf.js
new file mode 100644
index 000000000..0600a9d42
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/anyOf.js
@@ -0,0 +1,73 @@
+'use strict';
+module.exports = function generate_anyOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $noEmptySchema = $schema.every(function($sch) {
+    return (it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all));
+  });
+  if ($noEmptySchema) {
+    var $currentBaseId = $it.baseId;
+    out += ' var ' + ($errs) + ' = errors; var ' + ($valid) + ' = false;  ';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    var arr1 = $schema;
+    if (arr1) {
+      var $sch, $i = -1,
+        l1 = arr1.length - 1;
+      while ($i < l1) {
+        $sch = arr1[$i += 1];
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + '[' + $i + ']';
+        $it.errSchemaPath = $errSchemaPath + '/' + $i;
+        out += '  ' + (it.validate($it)) + ' ';
+        $it.baseId = $currentBaseId;
+        out += ' ' + ($valid) + ' = ' + ($valid) + ' || ' + ($nextValid) + '; if (!' + ($valid) + ') { ';
+        $closingBraces += '}';
+      }
+    }
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' ' + ($closingBraces) + ' if (!' + ($valid) + ') {   var err =   '; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('anyOf') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should match some schema in anyOf\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError(vErrors); ';
+      } else {
+        out += ' validate.errors = vErrors; return false; ';
+      }
+    }
+    out += ' } else {  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; } ';
+    if (it.opts.allErrors) {
+      out += ' } ';
+    }
+  } else {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/comment.js b/node_modules/ajv/lib/dotjs/comment.js
new file mode 100644
index 000000000..dd66bb8f0
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/comment.js
@@ -0,0 +1,14 @@
+'use strict';
+module.exports = function generate_comment(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $schema = it.schema[$keyword];
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $comment = it.util.toQuotedString($schema);
+  if (it.opts.$comment === true) {
+    out += ' console.log(' + ($comment) + ');';
+  } else if (typeof it.opts.$comment == 'function') {
+    out += ' self._opts.$comment(' + ($comment) + ', ' + (it.util.toQuotedString($errSchemaPath)) + ', validate.root.schema);';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/const.js b/node_modules/ajv/lib/dotjs/const.js
new file mode 100644
index 000000000..15b7c619f
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/const.js
@@ -0,0 +1,56 @@
+'use strict';
+module.exports = function generate_const(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!$isData) {
+    out += ' var schema' + ($lvl) + ' = validate.schema' + ($schemaPath) + ';';
+  }
+  out += 'var ' + ($valid) + ' = equal(' + ($data) + ', schema' + ($lvl) + '); if (!' + ($valid) + ') {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('const') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { allowedValue: schema' + ($lvl) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be equal to constant\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' }';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/contains.js b/node_modules/ajv/lib/dotjs/contains.js
new file mode 100644
index 000000000..7d7630090
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/contains.js
@@ -0,0 +1,81 @@
+'use strict';
+module.exports = function generate_contains(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $idx = 'i' + $lvl,
+    $dataNxt = $it.dataLevel = it.dataLevel + 1,
+    $nextData = 'data' + $dataNxt,
+    $currentBaseId = it.baseId,
+    $nonEmptySchema = (it.opts.strictKeywords ? (typeof $schema == 'object' && Object.keys($schema).length > 0) || $schema === false : it.util.schemaHasRules($schema, it.RULES.all));
+  out += 'var ' + ($errs) + ' = errors;var ' + ($valid) + ';';
+  if ($nonEmptySchema) {
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += ' var ' + ($nextValid) + ' = false; for (var ' + ($idx) + ' = 0; ' + ($idx) + ' < ' + ($data) + '.length; ' + ($idx) + '++) { ';
+    $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+    var $passData = $data + '[' + $idx + ']';
+    $it.dataPathArr[$dataNxt] = $idx;
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+    if (it.util.varOccurences($code, $nextData) < 2) {
+      out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+    } else {
+      out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+    }
+    out += ' if (' + ($nextValid) + ') break; }  ';
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' ' + ($closingBraces) + ' if (!' + ($nextValid) + ') {';
+  } else {
+    out += ' if (' + ($data) + '.length == 0) {';
+  }
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('contains') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should contain a valid item\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' } else { ';
+  if ($nonEmptySchema) {
+    out += '  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; } ';
+  }
+  if (it.opts.allErrors) {
+    out += ' } ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/custom.js b/node_modules/ajv/lib/dotjs/custom.js
new file mode 100644
index 000000000..f3e641e70
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/custom.js
@@ -0,0 +1,228 @@
+'use strict';
+module.exports = function generate_custom(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $errorKeyword;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $rule = this,
+    $definition = 'definition' + $lvl,
+    $rDef = $rule.definition,
+    $closingBraces = '';
+  var $compile, $inline, $macro, $ruleValidate, $validateCode;
+  if ($isData && $rDef.$data) {
+    $validateCode = 'keywordValidate' + $lvl;
+    var $validateSchema = $rDef.validateSchema;
+    out += ' var ' + ($definition) + ' = RULES.custom[\'' + ($keyword) + '\'].definition; var ' + ($validateCode) + ' = ' + ($definition) + '.validate;';
+  } else {
+    $ruleValidate = it.useCustomRule($rule, $schema, it.schema, it);
+    if (!$ruleValidate) return;
+    $schemaValue = 'validate.schema' + $schemaPath;
+    $validateCode = $ruleValidate.code;
+    $compile = $rDef.compile;
+    $inline = $rDef.inline;
+    $macro = $rDef.macro;
+  }
+  var $ruleErrs = $validateCode + '.errors',
+    $i = 'i' + $lvl,
+    $ruleErr = 'ruleErr' + $lvl,
+    $asyncKeyword = $rDef.async;
+  if ($asyncKeyword && !it.async) throw new Error('async keyword in sync schema');
+  if (!($inline || $macro)) {
+    out += '' + ($ruleErrs) + ' = null;';
+  }
+  out += 'var ' + ($errs) + ' = errors;var ' + ($valid) + ';';
+  if ($isData && $rDef.$data) {
+    $closingBraces += '}';
+    out += ' if (' + ($schemaValue) + ' === undefined) { ' + ($valid) + ' = true; } else { ';
+    if ($validateSchema) {
+      $closingBraces += '}';
+      out += ' ' + ($valid) + ' = ' + ($definition) + '.validateSchema(' + ($schemaValue) + '); if (' + ($valid) + ') { ';
+    }
+  }
+  if ($inline) {
+    if ($rDef.statements) {
+      out += ' ' + ($ruleValidate.validate) + ' ';
+    } else {
+      out += ' ' + ($valid) + ' = ' + ($ruleValidate.validate) + '; ';
+    }
+  } else if ($macro) {
+    var $it = it.util.copy(it);
+    var $closingBraces = '';
+    $it.level++;
+    var $nextValid = 'valid' + $it.level;
+    $it.schema = $ruleValidate.validate;
+    $it.schemaPath = '';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    var $code = it.validate($it).replace(/validate\.schema/g, $validateCode);
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' ' + ($code);
+  } else {
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    out += '  ' + ($validateCode) + '.call( ';
+    if (it.opts.passContext) {
+      out += 'this';
+    } else {
+      out += 'self';
+    }
+    if ($compile || $rDef.schema === false) {
+      out += ' , ' + ($data) + ' ';
+    } else {
+      out += ' , ' + ($schemaValue) + ' , ' + ($data) + ' , validate.schema' + (it.schemaPath) + ' ';
+    }
+    out += ' , (dataPath || \'\')';
+    if (it.errorPath != '""') {
+      out += ' + ' + (it.errorPath);
+    }
+    var $parentData = $dataLvl ? 'data' + (($dataLvl - 1) || '') : 'parentData',
+      $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+    out += ' , ' + ($parentData) + ' , ' + ($parentDataProperty) + ' , rootData )  ';
+    var def_callRuleValidate = out;
+    out = $$outStack.pop();
+    if ($rDef.errors === false) {
+      out += ' ' + ($valid) + ' = ';
+      if ($asyncKeyword) {
+        out += 'await ';
+      }
+      out += '' + (def_callRuleValidate) + '; ';
+    } else {
+      if ($asyncKeyword) {
+        $ruleErrs = 'customErrors' + $lvl;
+        out += ' var ' + ($ruleErrs) + ' = null; try { ' + ($valid) + ' = await ' + (def_callRuleValidate) + '; } catch (e) { ' + ($valid) + ' = false; if (e instanceof ValidationError) ' + ($ruleErrs) + ' = e.errors; else throw e; } ';
+      } else {
+        out += ' ' + ($ruleErrs) + ' = null; ' + ($valid) + ' = ' + (def_callRuleValidate) + '; ';
+      }
+    }
+  }
+  if ($rDef.modifying) {
+    out += ' if (' + ($parentData) + ') ' + ($data) + ' = ' + ($parentData) + '[' + ($parentDataProperty) + '];';
+  }
+  out += '' + ($closingBraces);
+  if ($rDef.valid) {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  } else {
+    out += ' if ( ';
+    if ($rDef.valid === undefined) {
+      out += ' !';
+      if ($macro) {
+        out += '' + ($nextValid);
+      } else {
+        out += '' + ($valid);
+      }
+    } else {
+      out += ' ' + (!$rDef.valid) + ' ';
+    }
+    out += ') { ';
+    $errorKeyword = $rule.keyword;
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = ''; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ($errorKeyword || 'custom') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { keyword: \'' + ($rule.keyword) + '\' } ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should pass "' + ($rule.keyword) + '" keyword validation\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    var __err = out;
+    out = $$outStack.pop();
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + (__err) + ']); ';
+      } else {
+        out += ' validate.errors = [' + (__err) + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+    var def_customError = out;
+    out = $$outStack.pop();
+    if ($inline) {
+      if ($rDef.errors) {
+        if ($rDef.errors != 'full') {
+          out += '  for (var ' + ($i) + '=' + ($errs) + '; ' + ($i) + '<errors; ' + ($i) + '++) { var ' + ($ruleErr) + ' = vErrors[' + ($i) + ']; if (' + ($ruleErr) + '.dataPath === undefined) ' + ($ruleErr) + '.dataPath = (dataPath || \'\') + ' + (it.errorPath) + '; if (' + ($ruleErr) + '.schemaPath === undefined) { ' + ($ruleErr) + '.schemaPath = "' + ($errSchemaPath) + '"; } ';
+          if (it.opts.verbose) {
+            out += ' ' + ($ruleErr) + '.schema = ' + ($schemaValue) + '; ' + ($ruleErr) + '.data = ' + ($data) + '; ';
+          }
+          out += ' } ';
+        }
+      } else {
+        if ($rDef.errors === false) {
+          out += ' ' + (def_customError) + ' ';
+        } else {
+          out += ' if (' + ($errs) + ' == errors) { ' + (def_customError) + ' } else {  for (var ' + ($i) + '=' + ($errs) + '; ' + ($i) + '<errors; ' + ($i) + '++) { var ' + ($ruleErr) + ' = vErrors[' + ($i) + ']; if (' + ($ruleErr) + '.dataPath === undefined) ' + ($ruleErr) + '.dataPath = (dataPath || \'\') + ' + (it.errorPath) + '; if (' + ($ruleErr) + '.schemaPath === undefined) { ' + ($ruleErr) + '.schemaPath = "' + ($errSchemaPath) + '"; } ';
+          if (it.opts.verbose) {
+            out += ' ' + ($ruleErr) + '.schema = ' + ($schemaValue) + '; ' + ($ruleErr) + '.data = ' + ($data) + '; ';
+          }
+          out += ' } } ';
+        }
+      }
+    } else if ($macro) {
+      out += '   var err =   '; /* istanbul ignore else */
+      if (it.createErrors !== false) {
+        out += ' { keyword: \'' + ($errorKeyword || 'custom') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { keyword: \'' + ($rule.keyword) + '\' } ';
+        if (it.opts.messages !== false) {
+          out += ' , message: \'should pass "' + ($rule.keyword) + '" keyword validation\' ';
+        }
+        if (it.opts.verbose) {
+          out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+        }
+        out += ' } ';
+      } else {
+        out += ' {} ';
+      }
+      out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+      if (!it.compositeRule && $breakOnError) {
+        /* istanbul ignore if */
+        if (it.async) {
+          out += ' throw new ValidationError(vErrors); ';
+        } else {
+          out += ' validate.errors = vErrors; return false; ';
+        }
+      }
+    } else {
+      if ($rDef.errors === false) {
+        out += ' ' + (def_customError) + ' ';
+      } else {
+        out += ' if (Array.isArray(' + ($ruleErrs) + ')) { if (vErrors === null) vErrors = ' + ($ruleErrs) + '; else vErrors = vErrors.concat(' + ($ruleErrs) + '); errors = vErrors.length;  for (var ' + ($i) + '=' + ($errs) + '; ' + ($i) + '<errors; ' + ($i) + '++) { var ' + ($ruleErr) + ' = vErrors[' + ($i) + ']; if (' + ($ruleErr) + '.dataPath === undefined) ' + ($ruleErr) + '.dataPath = (dataPath || \'\') + ' + (it.errorPath) + ';  ' + ($ruleErr) + '.schemaPath = "' + ($errSchemaPath) + '";  ';
+        if (it.opts.verbose) {
+          out += ' ' + ($ruleErr) + '.schema = ' + ($schemaValue) + '; ' + ($ruleErr) + '.data = ' + ($data) + '; ';
+        }
+        out += ' } } else { ' + (def_customError) + ' } ';
+      }
+    }
+    out += ' } ';
+    if ($breakOnError) {
+      out += ' else { ';
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/dependencies.js b/node_modules/ajv/lib/dotjs/dependencies.js
new file mode 100644
index 000000000..e4829497b
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/dependencies.js
@@ -0,0 +1,168 @@
+'use strict';
+module.exports = function generate_dependencies(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $schemaDeps = {},
+    $propertyDeps = {},
+    $ownProperties = it.opts.ownProperties;
+  for ($property in $schema) {
+    if ($property == '__proto__') continue;
+    var $sch = $schema[$property];
+    var $deps = Array.isArray($sch) ? $propertyDeps : $schemaDeps;
+    $deps[$property] = $sch;
+  }
+  out += 'var ' + ($errs) + ' = errors;';
+  var $currentErrorPath = it.errorPath;
+  out += 'var missing' + ($lvl) + ';';
+  for (var $property in $propertyDeps) {
+    $deps = $propertyDeps[$property];
+    if ($deps.length) {
+      out += ' if ( ' + ($data) + (it.util.getProperty($property)) + ' !== undefined ';
+      if ($ownProperties) {
+        out += ' && Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($property)) + '\') ';
+      }
+      if ($breakOnError) {
+        out += ' && ( ';
+        var arr1 = $deps;
+        if (arr1) {
+          var $propertyKey, $i = -1,
+            l1 = arr1.length - 1;
+          while ($i < l1) {
+            $propertyKey = arr1[$i += 1];
+            if ($i) {
+              out += ' || ';
+            }
+            var $prop = it.util.getProperty($propertyKey),
+              $useData = $data + $prop;
+            out += ' ( ( ' + ($useData) + ' === undefined ';
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+            }
+            out += ') && (missing' + ($lvl) + ' = ' + (it.util.toQuotedString(it.opts.jsonPointers ? $propertyKey : $prop)) + ') ) ';
+          }
+        }
+        out += ')) {  ';
+        var $propertyPath = 'missing' + $lvl,
+          $missingProperty = '\' + ' + $propertyPath + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.opts.jsonPointers ? it.util.getPathExpr($currentErrorPath, $propertyPath, true) : $currentErrorPath + ' + ' + $propertyPath;
+        }
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('dependencies') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { property: \'' + (it.util.escapeQuotes($property)) + '\', missingProperty: \'' + ($missingProperty) + '\', depsCount: ' + ($deps.length) + ', deps: \'' + (it.util.escapeQuotes($deps.length == 1 ? $deps[0] : $deps.join(", "))) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'should have ';
+            if ($deps.length == 1) {
+              out += 'property ' + (it.util.escapeQuotes($deps[0]));
+            } else {
+              out += 'properties ' + (it.util.escapeQuotes($deps.join(", ")));
+            }
+            out += ' when property ' + (it.util.escapeQuotes($property)) + ' is present\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+      } else {
+        out += ' ) { ';
+        var arr2 = $deps;
+        if (arr2) {
+          var $propertyKey, i2 = -1,
+            l2 = arr2.length - 1;
+          while (i2 < l2) {
+            $propertyKey = arr2[i2 += 1];
+            var $prop = it.util.getProperty($propertyKey),
+              $missingProperty = it.util.escapeQuotes($propertyKey),
+              $useData = $data + $prop;
+            if (it.opts._errorDataPathProperty) {
+              it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+            }
+            out += ' if ( ' + ($useData) + ' === undefined ';
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+            }
+            out += ') {  var err =   '; /* istanbul ignore else */
+            if (it.createErrors !== false) {
+              out += ' { keyword: \'' + ('dependencies') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { property: \'' + (it.util.escapeQuotes($property)) + '\', missingProperty: \'' + ($missingProperty) + '\', depsCount: ' + ($deps.length) + ', deps: \'' + (it.util.escapeQuotes($deps.length == 1 ? $deps[0] : $deps.join(", "))) + '\' } ';
+              if (it.opts.messages !== false) {
+                out += ' , message: \'should have ';
+                if ($deps.length == 1) {
+                  out += 'property ' + (it.util.escapeQuotes($deps[0]));
+                } else {
+                  out += 'properties ' + (it.util.escapeQuotes($deps.join(", ")));
+                }
+                out += ' when property ' + (it.util.escapeQuotes($property)) + ' is present\' ';
+              }
+              if (it.opts.verbose) {
+                out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+              }
+              out += ' } ';
+            } else {
+              out += ' {} ';
+            }
+            out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } ';
+          }
+        }
+      }
+      out += ' }   ';
+      if ($breakOnError) {
+        $closingBraces += '}';
+        out += ' else { ';
+      }
+    }
+  }
+  it.errorPath = $currentErrorPath;
+  var $currentBaseId = $it.baseId;
+  for (var $property in $schemaDeps) {
+    var $sch = $schemaDeps[$property];
+    if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+      out += ' ' + ($nextValid) + ' = true; if ( ' + ($data) + (it.util.getProperty($property)) + ' !== undefined ';
+      if ($ownProperties) {
+        out += ' && Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($property)) + '\') ';
+      }
+      out += ') { ';
+      $it.schema = $sch;
+      $it.schemaPath = $schemaPath + it.util.getProperty($property);
+      $it.errSchemaPath = $errSchemaPath + '/' + it.util.escapeFragment($property);
+      out += '  ' + (it.validate($it)) + ' ';
+      $it.baseId = $currentBaseId;
+      out += ' }  ';
+      if ($breakOnError) {
+        out += ' if (' + ($nextValid) + ') { ';
+        $closingBraces += '}';
+      }
+    }
+  }
+  if ($breakOnError) {
+    out += '   ' + ($closingBraces) + ' if (' + ($errs) + ' == errors) {';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/enum.js b/node_modules/ajv/lib/dotjs/enum.js
new file mode 100644
index 000000000..90580b9ff
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/enum.js
@@ -0,0 +1,66 @@
+'use strict';
+module.exports = function generate_enum(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $i = 'i' + $lvl,
+    $vSchema = 'schema' + $lvl;
+  if (!$isData) {
+    out += ' var ' + ($vSchema) + ' = validate.schema' + ($schemaPath) + ';';
+  }
+  out += 'var ' + ($valid) + ';';
+  if ($isData) {
+    out += ' if (schema' + ($lvl) + ' === undefined) ' + ($valid) + ' = true; else if (!Array.isArray(schema' + ($lvl) + ')) ' + ($valid) + ' = false; else {';
+  }
+  out += '' + ($valid) + ' = false;for (var ' + ($i) + '=0; ' + ($i) + '<' + ($vSchema) + '.length; ' + ($i) + '++) if (equal(' + ($data) + ', ' + ($vSchema) + '[' + ($i) + '])) { ' + ($valid) + ' = true; break; }';
+  if ($isData) {
+    out += '  }  ';
+  }
+  out += ' if (!' + ($valid) + ') {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('enum') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { allowedValues: schema' + ($lvl) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be equal to one of the allowed values\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' }';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/format.js b/node_modules/ajv/lib/dotjs/format.js
new file mode 100644
index 000000000..cd9a5693e
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/format.js
@@ -0,0 +1,150 @@
+'use strict';
+module.exports = function generate_format(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  if (it.opts.format === false) {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+    return out;
+  }
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $unknownFormats = it.opts.unknownFormats,
+    $allowUnknown = Array.isArray($unknownFormats);
+  if ($isData) {
+    var $format = 'format' + $lvl,
+      $isObject = 'isObject' + $lvl,
+      $formatType = 'formatType' + $lvl;
+    out += ' var ' + ($format) + ' = formats[' + ($schemaValue) + ']; var ' + ($isObject) + ' = typeof ' + ($format) + ' == \'object\' && !(' + ($format) + ' instanceof RegExp) && ' + ($format) + '.validate; var ' + ($formatType) + ' = ' + ($isObject) + ' && ' + ($format) + '.type || \'string\'; if (' + ($isObject) + ') { ';
+    if (it.async) {
+      out += ' var async' + ($lvl) + ' = ' + ($format) + '.async; ';
+    }
+    out += ' ' + ($format) + ' = ' + ($format) + '.validate; } if (  ';
+    if ($isData) {
+      out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'string\') || ';
+    }
+    out += ' (';
+    if ($unknownFormats != 'ignore') {
+      out += ' (' + ($schemaValue) + ' && !' + ($format) + ' ';
+      if ($allowUnknown) {
+        out += ' && self._opts.unknownFormats.indexOf(' + ($schemaValue) + ') == -1 ';
+      }
+      out += ') || ';
+    }
+    out += ' (' + ($format) + ' && ' + ($formatType) + ' == \'' + ($ruleType) + '\' && !(typeof ' + ($format) + ' == \'function\' ? ';
+    if (it.async) {
+      out += ' (async' + ($lvl) + ' ? await ' + ($format) + '(' + ($data) + ') : ' + ($format) + '(' + ($data) + ')) ';
+    } else {
+      out += ' ' + ($format) + '(' + ($data) + ') ';
+    }
+    out += ' : ' + ($format) + '.test(' + ($data) + '))))) {';
+  } else {
+    var $format = it.formats[$schema];
+    if (!$format) {
+      if ($unknownFormats == 'ignore') {
+        it.logger.warn('unknown format "' + $schema + '" ignored in schema at path "' + it.errSchemaPath + '"');
+        if ($breakOnError) {
+          out += ' if (true) { ';
+        }
+        return out;
+      } else if ($allowUnknown && $unknownFormats.indexOf($schema) >= 0) {
+        if ($breakOnError) {
+          out += ' if (true) { ';
+        }
+        return out;
+      } else {
+        throw new Error('unknown format "' + $schema + '" is used in schema at path "' + it.errSchemaPath + '"');
+      }
+    }
+    var $isObject = typeof $format == 'object' && !($format instanceof RegExp) && $format.validate;
+    var $formatType = $isObject && $format.type || 'string';
+    if ($isObject) {
+      var $async = $format.async === true;
+      $format = $format.validate;
+    }
+    if ($formatType != $ruleType) {
+      if ($breakOnError) {
+        out += ' if (true) { ';
+      }
+      return out;
+    }
+    if ($async) {
+      if (!it.async) throw new Error('async format in sync schema');
+      var $formatRef = 'formats' + it.util.getProperty($schema) + '.validate';
+      out += ' if (!(await ' + ($formatRef) + '(' + ($data) + '))) { ';
+    } else {
+      out += ' if (! ';
+      var $formatRef = 'formats' + it.util.getProperty($schema);
+      if ($isObject) $formatRef += '.validate';
+      if (typeof $format == 'function') {
+        out += ' ' + ($formatRef) + '(' + ($data) + ') ';
+      } else {
+        out += ' ' + ($formatRef) + '.test(' + ($data) + ') ';
+      }
+      out += ') { ';
+    }
+  }
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('format') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { format:  ';
+    if ($isData) {
+      out += '' + ($schemaValue);
+    } else {
+      out += '' + (it.util.toQuotedString($schema));
+    }
+    out += '  } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should match format "';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + (it.util.escapeQuotes($schema));
+      }
+      out += '"\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + (it.util.toQuotedString($schema));
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += ' } ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/if.js b/node_modules/ajv/lib/dotjs/if.js
new file mode 100644
index 000000000..94d27ad85
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/if.js
@@ -0,0 +1,103 @@
+'use strict';
+module.exports = function generate_if(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $thenSch = it.schema['then'],
+    $elseSch = it.schema['else'],
+    $thenPresent = $thenSch !== undefined && (it.opts.strictKeywords ? (typeof $thenSch == 'object' && Object.keys($thenSch).length > 0) || $thenSch === false : it.util.schemaHasRules($thenSch, it.RULES.all)),
+    $elsePresent = $elseSch !== undefined && (it.opts.strictKeywords ? (typeof $elseSch == 'object' && Object.keys($elseSch).length > 0) || $elseSch === false : it.util.schemaHasRules($elseSch, it.RULES.all)),
+    $currentBaseId = $it.baseId;
+  if ($thenPresent || $elsePresent) {
+    var $ifClause;
+    $it.createErrors = false;
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += ' var ' + ($errs) + ' = errors; var ' + ($valid) + ' = true;  ';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    out += '  ' + (it.validate($it)) + ' ';
+    $it.baseId = $currentBaseId;
+    $it.createErrors = true;
+    out += '  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; }  ';
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    if ($thenPresent) {
+      out += ' if (' + ($nextValid) + ') {  ';
+      $it.schema = it.schema['then'];
+      $it.schemaPath = it.schemaPath + '.then';
+      $it.errSchemaPath = it.errSchemaPath + '/then';
+      out += '  ' + (it.validate($it)) + ' ';
+      $it.baseId = $currentBaseId;
+      out += ' ' + ($valid) + ' = ' + ($nextValid) + '; ';
+      if ($thenPresent && $elsePresent) {
+        $ifClause = 'ifClause' + $lvl;
+        out += ' var ' + ($ifClause) + ' = \'then\'; ';
+      } else {
+        $ifClause = '\'then\'';
+      }
+      out += ' } ';
+      if ($elsePresent) {
+        out += ' else { ';
+      }
+    } else {
+      out += ' if (!' + ($nextValid) + ') { ';
+    }
+    if ($elsePresent) {
+      $it.schema = it.schema['else'];
+      $it.schemaPath = it.schemaPath + '.else';
+      $it.errSchemaPath = it.errSchemaPath + '/else';
+      out += '  ' + (it.validate($it)) + ' ';
+      $it.baseId = $currentBaseId;
+      out += ' ' + ($valid) + ' = ' + ($nextValid) + '; ';
+      if ($thenPresent && $elsePresent) {
+        $ifClause = 'ifClause' + $lvl;
+        out += ' var ' + ($ifClause) + ' = \'else\'; ';
+      } else {
+        $ifClause = '\'else\'';
+      }
+      out += ' } ';
+    }
+    out += ' if (!' + ($valid) + ') {   var err =   '; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('if') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { failingKeyword: ' + ($ifClause) + ' } ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should match "\' + ' + ($ifClause) + ' + \'" schema\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError(vErrors); ';
+      } else {
+        out += ' validate.errors = vErrors; return false; ';
+      }
+    }
+    out += ' }   ';
+    if ($breakOnError) {
+      out += ' else { ';
+    }
+  } else {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/index.js b/node_modules/ajv/lib/dotjs/index.js
new file mode 100644
index 000000000..2fb1b00ef
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/index.js
@@ -0,0 +1,33 @@
+'use strict';
+
+//all requires must be explicit because browserify won't work with dynamic requires
+module.exports = {
+  '$ref': require('./ref'),
+  allOf: require('./allOf'),
+  anyOf: require('./anyOf'),
+  '$comment': require('./comment'),
+  const: require('./const'),
+  contains: require('./contains'),
+  dependencies: require('./dependencies'),
+  'enum': require('./enum'),
+  format: require('./format'),
+  'if': require('./if'),
+  items: require('./items'),
+  maximum: require('./_limit'),
+  minimum: require('./_limit'),
+  maxItems: require('./_limitItems'),
+  minItems: require('./_limitItems'),
+  maxLength: require('./_limitLength'),
+  minLength: require('./_limitLength'),
+  maxProperties: require('./_limitProperties'),
+  minProperties: require('./_limitProperties'),
+  multipleOf: require('./multipleOf'),
+  not: require('./not'),
+  oneOf: require('./oneOf'),
+  pattern: require('./pattern'),
+  properties: require('./properties'),
+  propertyNames: require('./propertyNames'),
+  required: require('./required'),
+  uniqueItems: require('./uniqueItems'),
+  validate: require('./validate')
+};
diff --git a/node_modules/ajv/lib/dotjs/items.js b/node_modules/ajv/lib/dotjs/items.js
new file mode 100644
index 000000000..bee5d67da
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/items.js
@@ -0,0 +1,140 @@
+'use strict';
+module.exports = function generate_items(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $idx = 'i' + $lvl,
+    $dataNxt = $it.dataLevel = it.dataLevel + 1,
+    $nextData = 'data' + $dataNxt,
+    $currentBaseId = it.baseId;
+  out += 'var ' + ($errs) + ' = errors;var ' + ($valid) + ';';
+  if (Array.isArray($schema)) {
+    var $additionalItems = it.schema.additionalItems;
+    if ($additionalItems === false) {
+      out += ' ' + ($valid) + ' = ' + ($data) + '.length <= ' + ($schema.length) + '; ';
+      var $currErrSchemaPath = $errSchemaPath;
+      $errSchemaPath = it.errSchemaPath + '/additionalItems';
+      out += '  if (!' + ($valid) + ') {   ';
+      var $$outStack = $$outStack || [];
+      $$outStack.push(out);
+      out = ''; /* istanbul ignore else */
+      if (it.createErrors !== false) {
+        out += ' { keyword: \'' + ('additionalItems') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { limit: ' + ($schema.length) + ' } ';
+        if (it.opts.messages !== false) {
+          out += ' , message: \'should NOT have more than ' + ($schema.length) + ' items\' ';
+        }
+        if (it.opts.verbose) {
+          out += ' , schema: false , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+        }
+        out += ' } ';
+      } else {
+        out += ' {} ';
+      }
+      var __err = out;
+      out = $$outStack.pop();
+      if (!it.compositeRule && $breakOnError) {
+        /* istanbul ignore if */
+        if (it.async) {
+          out += ' throw new ValidationError([' + (__err) + ']); ';
+        } else {
+          out += ' validate.errors = [' + (__err) + ']; return false; ';
+        }
+      } else {
+        out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+      }
+      out += ' } ';
+      $errSchemaPath = $currErrSchemaPath;
+      if ($breakOnError) {
+        $closingBraces += '}';
+        out += ' else { ';
+      }
+    }
+    var arr1 = $schema;
+    if (arr1) {
+      var $sch, $i = -1,
+        l1 = arr1.length - 1;
+      while ($i < l1) {
+        $sch = arr1[$i += 1];
+        if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+          out += ' ' + ($nextValid) + ' = true; if (' + ($data) + '.length > ' + ($i) + ') { ';
+          var $passData = $data + '[' + $i + ']';
+          $it.schema = $sch;
+          $it.schemaPath = $schemaPath + '[' + $i + ']';
+          $it.errSchemaPath = $errSchemaPath + '/' + $i;
+          $it.errorPath = it.util.getPathExpr(it.errorPath, $i, it.opts.jsonPointers, true);
+          $it.dataPathArr[$dataNxt] = $i;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+          } else {
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+          }
+          out += ' }  ';
+          if ($breakOnError) {
+            out += ' if (' + ($nextValid) + ') { ';
+            $closingBraces += '}';
+          }
+        }
+      }
+    }
+    if (typeof $additionalItems == 'object' && (it.opts.strictKeywords ? (typeof $additionalItems == 'object' && Object.keys($additionalItems).length > 0) || $additionalItems === false : it.util.schemaHasRules($additionalItems, it.RULES.all))) {
+      $it.schema = $additionalItems;
+      $it.schemaPath = it.schemaPath + '.additionalItems';
+      $it.errSchemaPath = it.errSchemaPath + '/additionalItems';
+      out += ' ' + ($nextValid) + ' = true; if (' + ($data) + '.length > ' + ($schema.length) + ') {  for (var ' + ($idx) + ' = ' + ($schema.length) + '; ' + ($idx) + ' < ' + ($data) + '.length; ' + ($idx) + '++) { ';
+      $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+      var $passData = $data + '[' + $idx + ']';
+      $it.dataPathArr[$dataNxt] = $idx;
+      var $code = it.validate($it);
+      $it.baseId = $currentBaseId;
+      if (it.util.varOccurences($code, $nextData) < 2) {
+        out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+      } else {
+        out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+      }
+      if ($breakOnError) {
+        out += ' if (!' + ($nextValid) + ') break; ';
+      }
+      out += ' } }  ';
+      if ($breakOnError) {
+        out += ' if (' + ($nextValid) + ') { ';
+        $closingBraces += '}';
+      }
+    }
+  } else if ((it.opts.strictKeywords ? (typeof $schema == 'object' && Object.keys($schema).length > 0) || $schema === false : it.util.schemaHasRules($schema, it.RULES.all))) {
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += '  for (var ' + ($idx) + ' = ' + (0) + '; ' + ($idx) + ' < ' + ($data) + '.length; ' + ($idx) + '++) { ';
+    $it.errorPath = it.util.getPathExpr(it.errorPath, $idx, it.opts.jsonPointers, true);
+    var $passData = $data + '[' + $idx + ']';
+    $it.dataPathArr[$dataNxt] = $idx;
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+    if (it.util.varOccurences($code, $nextData) < 2) {
+      out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+    } else {
+      out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+    }
+    if ($breakOnError) {
+      out += ' if (!' + ($nextValid) + ') break; ';
+    }
+    out += ' }';
+  }
+  if ($breakOnError) {
+    out += ' ' + ($closingBraces) + ' if (' + ($errs) + ' == errors) {';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/multipleOf.js b/node_modules/ajv/lib/dotjs/multipleOf.js
new file mode 100644
index 000000000..9d6401b8f
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/multipleOf.js
@@ -0,0 +1,80 @@
+'use strict';
+module.exports = function generate_multipleOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (!($isData || typeof $schema == 'number')) {
+    throw new Error($keyword + ' must be number');
+  }
+  out += 'var division' + ($lvl) + ';if (';
+  if ($isData) {
+    out += ' ' + ($schemaValue) + ' !== undefined && ( typeof ' + ($schemaValue) + ' != \'number\' || ';
+  }
+  out += ' (division' + ($lvl) + ' = ' + ($data) + ' / ' + ($schemaValue) + ', ';
+  if (it.opts.multipleOfPrecision) {
+    out += ' Math.abs(Math.round(division' + ($lvl) + ') - division' + ($lvl) + ') > 1e-' + (it.opts.multipleOfPrecision) + ' ';
+  } else {
+    out += ' division' + ($lvl) + ' !== parseInt(division' + ($lvl) + ') ';
+  }
+  out += ' ) ';
+  if ($isData) {
+    out += '  )  ';
+  }
+  out += ' ) {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('multipleOf') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { multipleOf: ' + ($schemaValue) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should be multiple of ';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue);
+      } else {
+        out += '' + ($schemaValue) + '\'';
+      }
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + ($schema);
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/not.js b/node_modules/ajv/lib/dotjs/not.js
new file mode 100644
index 000000000..f50c93785
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/not.js
@@ -0,0 +1,84 @@
+'use strict';
+module.exports = function generate_not(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  if ((it.opts.strictKeywords ? (typeof $schema == 'object' && Object.keys($schema).length > 0) || $schema === false : it.util.schemaHasRules($schema, it.RULES.all))) {
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    out += ' var ' + ($errs) + ' = errors;  ';
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    $it.createErrors = false;
+    var $allErrorsOption;
+    if ($it.opts.allErrors) {
+      $allErrorsOption = $it.opts.allErrors;
+      $it.opts.allErrors = false;
+    }
+    out += ' ' + (it.validate($it)) + ' ';
+    $it.createErrors = true;
+    if ($allErrorsOption) $it.opts.allErrors = $allErrorsOption;
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' if (' + ($nextValid) + ') {   ';
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = ''; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('not') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should NOT be valid\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    var __err = out;
+    out = $$outStack.pop();
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + (__err) + ']); ';
+      } else {
+        out += ' validate.errors = [' + (__err) + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+    out += ' } else {  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; } ';
+    if (it.opts.allErrors) {
+      out += ' } ';
+    }
+  } else {
+    out += '  var err =   '; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('not') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should NOT be valid\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    if ($breakOnError) {
+      out += ' if (false) { ';
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/oneOf.js b/node_modules/ajv/lib/dotjs/oneOf.js
new file mode 100644
index 000000000..dfe2fd550
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/oneOf.js
@@ -0,0 +1,73 @@
+'use strict';
+module.exports = function generate_oneOf(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $currentBaseId = $it.baseId,
+    $prevValid = 'prevValid' + $lvl,
+    $passingSchemas = 'passingSchemas' + $lvl;
+  out += 'var ' + ($errs) + ' = errors , ' + ($prevValid) + ' = false , ' + ($valid) + ' = false , ' + ($passingSchemas) + ' = null; ';
+  var $wasComposite = it.compositeRule;
+  it.compositeRule = $it.compositeRule = true;
+  var arr1 = $schema;
+  if (arr1) {
+    var $sch, $i = -1,
+      l1 = arr1.length - 1;
+    while ($i < l1) {
+      $sch = arr1[$i += 1];
+      if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+        $it.schema = $sch;
+        $it.schemaPath = $schemaPath + '[' + $i + ']';
+        $it.errSchemaPath = $errSchemaPath + '/' + $i;
+        out += '  ' + (it.validate($it)) + ' ';
+        $it.baseId = $currentBaseId;
+      } else {
+        out += ' var ' + ($nextValid) + ' = true; ';
+      }
+      if ($i) {
+        out += ' if (' + ($nextValid) + ' && ' + ($prevValid) + ') { ' + ($valid) + ' = false; ' + ($passingSchemas) + ' = [' + ($passingSchemas) + ', ' + ($i) + ']; } else { ';
+        $closingBraces += '}';
+      }
+      out += ' if (' + ($nextValid) + ') { ' + ($valid) + ' = ' + ($prevValid) + ' = true; ' + ($passingSchemas) + ' = ' + ($i) + '; }';
+    }
+  }
+  it.compositeRule = $it.compositeRule = $wasComposite;
+  out += '' + ($closingBraces) + 'if (!' + ($valid) + ') {   var err =   '; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('oneOf') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { passingSchemas: ' + ($passingSchemas) + ' } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should match exactly one schema in oneOf\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError(vErrors); ';
+    } else {
+      out += ' validate.errors = vErrors; return false; ';
+    }
+  }
+  out += '} else {  errors = ' + ($errs) + '; if (vErrors !== null) { if (' + ($errs) + ') vErrors.length = ' + ($errs) + '; else vErrors = null; }';
+  if (it.opts.allErrors) {
+    out += ' } ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/pattern.js b/node_modules/ajv/lib/dotjs/pattern.js
new file mode 100644
index 000000000..1d74d6b04
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/pattern.js
@@ -0,0 +1,75 @@
+'use strict';
+module.exports = function generate_pattern(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $regexp = $isData ? '(new RegExp(' + $schemaValue + '))' : it.usePattern($schema);
+  out += 'if ( ';
+  if ($isData) {
+    out += ' (' + ($schemaValue) + ' !== undefined && typeof ' + ($schemaValue) + ' != \'string\') || ';
+  }
+  out += ' !' + ($regexp) + '.test(' + ($data) + ') ) {   ';
+  var $$outStack = $$outStack || [];
+  $$outStack.push(out);
+  out = ''; /* istanbul ignore else */
+  if (it.createErrors !== false) {
+    out += ' { keyword: \'' + ('pattern') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { pattern:  ';
+    if ($isData) {
+      out += '' + ($schemaValue);
+    } else {
+      out += '' + (it.util.toQuotedString($schema));
+    }
+    out += '  } ';
+    if (it.opts.messages !== false) {
+      out += ' , message: \'should match pattern "';
+      if ($isData) {
+        out += '\' + ' + ($schemaValue) + ' + \'';
+      } else {
+        out += '' + (it.util.escapeQuotes($schema));
+      }
+      out += '"\' ';
+    }
+    if (it.opts.verbose) {
+      out += ' , schema:  ';
+      if ($isData) {
+        out += 'validate.schema' + ($schemaPath);
+      } else {
+        out += '' + (it.util.toQuotedString($schema));
+      }
+      out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+    }
+    out += ' } ';
+  } else {
+    out += ' {} ';
+  }
+  var __err = out;
+  out = $$outStack.pop();
+  if (!it.compositeRule && $breakOnError) {
+    /* istanbul ignore if */
+    if (it.async) {
+      out += ' throw new ValidationError([' + (__err) + ']); ';
+    } else {
+      out += ' validate.errors = [' + (__err) + ']; return false; ';
+    }
+  } else {
+    out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+  }
+  out += '} ';
+  if ($breakOnError) {
+    out += ' else { ';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/properties.js b/node_modules/ajv/lib/dotjs/properties.js
new file mode 100644
index 000000000..bc5ee5547
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/properties.js
@@ -0,0 +1,335 @@
+'use strict';
+module.exports = function generate_properties(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  var $key = 'key' + $lvl,
+    $idx = 'idx' + $lvl,
+    $dataNxt = $it.dataLevel = it.dataLevel + 1,
+    $nextData = 'data' + $dataNxt,
+    $dataProperties = 'dataProperties' + $lvl;
+  var $schemaKeys = Object.keys($schema || {}).filter(notProto),
+    $pProperties = it.schema.patternProperties || {},
+    $pPropertyKeys = Object.keys($pProperties).filter(notProto),
+    $aProperties = it.schema.additionalProperties,
+    $someProperties = $schemaKeys.length || $pPropertyKeys.length,
+    $noAdditional = $aProperties === false,
+    $additionalIsSchema = typeof $aProperties == 'object' && Object.keys($aProperties).length,
+    $removeAdditional = it.opts.removeAdditional,
+    $checkAdditional = $noAdditional || $additionalIsSchema || $removeAdditional,
+    $ownProperties = it.opts.ownProperties,
+    $currentBaseId = it.baseId;
+  var $required = it.schema.required;
+  if ($required && !(it.opts.$data && $required.$data) && $required.length < it.opts.loopRequired) {
+    var $requiredHash = it.util.toHash($required);
+  }
+
+  function notProto(p) {
+    return p !== '__proto__';
+  }
+  out += 'var ' + ($errs) + ' = errors;var ' + ($nextValid) + ' = true;';
+  if ($ownProperties) {
+    out += ' var ' + ($dataProperties) + ' = undefined;';
+  }
+  if ($checkAdditional) {
+    if ($ownProperties) {
+      out += ' ' + ($dataProperties) + ' = ' + ($dataProperties) + ' || Object.keys(' + ($data) + '); for (var ' + ($idx) + '=0; ' + ($idx) + '<' + ($dataProperties) + '.length; ' + ($idx) + '++) { var ' + ($key) + ' = ' + ($dataProperties) + '[' + ($idx) + ']; ';
+    } else {
+      out += ' for (var ' + ($key) + ' in ' + ($data) + ') { ';
+    }
+    if ($someProperties) {
+      out += ' var isAdditional' + ($lvl) + ' = !(false ';
+      if ($schemaKeys.length) {
+        if ($schemaKeys.length > 8) {
+          out += ' || validate.schema' + ($schemaPath) + '.hasOwnProperty(' + ($key) + ') ';
+        } else {
+          var arr1 = $schemaKeys;
+          if (arr1) {
+            var $propertyKey, i1 = -1,
+              l1 = arr1.length - 1;
+            while (i1 < l1) {
+              $propertyKey = arr1[i1 += 1];
+              out += ' || ' + ($key) + ' == ' + (it.util.toQuotedString($propertyKey)) + ' ';
+            }
+          }
+        }
+      }
+      if ($pPropertyKeys.length) {
+        var arr2 = $pPropertyKeys;
+        if (arr2) {
+          var $pProperty, $i = -1,
+            l2 = arr2.length - 1;
+          while ($i < l2) {
+            $pProperty = arr2[$i += 1];
+            out += ' || ' + (it.usePattern($pProperty)) + '.test(' + ($key) + ') ';
+          }
+        }
+      }
+      out += ' ); if (isAdditional' + ($lvl) + ') { ';
+    }
+    if ($removeAdditional == 'all') {
+      out += ' delete ' + ($data) + '[' + ($key) + ']; ';
+    } else {
+      var $currentErrorPath = it.errorPath;
+      var $additionalProperty = '\' + ' + $key + ' + \'';
+      if (it.opts._errorDataPathProperty) {
+        it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+      }
+      if ($noAdditional) {
+        if ($removeAdditional) {
+          out += ' delete ' + ($data) + '[' + ($key) + ']; ';
+        } else {
+          out += ' ' + ($nextValid) + ' = false; ';
+          var $currErrSchemaPath = $errSchemaPath;
+          $errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          var $$outStack = $$outStack || [];
+          $$outStack.push(out);
+          out = ''; /* istanbul ignore else */
+          if (it.createErrors !== false) {
+            out += ' { keyword: \'' + ('additionalProperties') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { additionalProperty: \'' + ($additionalProperty) + '\' } ';
+            if (it.opts.messages !== false) {
+              out += ' , message: \'';
+              if (it.opts._errorDataPathProperty) {
+                out += 'is an invalid additional property';
+              } else {
+                out += 'should NOT have additional properties';
+              }
+              out += '\' ';
+            }
+            if (it.opts.verbose) {
+              out += ' , schema: false , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+            }
+            out += ' } ';
+          } else {
+            out += ' {} ';
+          }
+          var __err = out;
+          out = $$outStack.pop();
+          if (!it.compositeRule && $breakOnError) {
+            /* istanbul ignore if */
+            if (it.async) {
+              out += ' throw new ValidationError([' + (__err) + ']); ';
+            } else {
+              out += ' validate.errors = [' + (__err) + ']; return false; ';
+            }
+          } else {
+            out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+          }
+          $errSchemaPath = $currErrSchemaPath;
+          if ($breakOnError) {
+            out += ' break; ';
+          }
+        }
+      } else if ($additionalIsSchema) {
+        if ($removeAdditional == 'failing') {
+          out += ' var ' + ($errs) + ' = errors;  ';
+          var $wasComposite = it.compositeRule;
+          it.compositeRule = $it.compositeRule = true;
+          $it.schema = $aProperties;
+          $it.schemaPath = it.schemaPath + '.additionalProperties';
+          $it.errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          $it.errorPath = it.opts._errorDataPathProperty ? it.errorPath : it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+          var $passData = $data + '[' + $key + ']';
+          $it.dataPathArr[$dataNxt] = $key;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+          } else {
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+          }
+          out += ' if (!' + ($nextValid) + ') { errors = ' + ($errs) + '; if (validate.errors !== null) { if (errors) validate.errors.length = errors; else validate.errors = null; } delete ' + ($data) + '[' + ($key) + ']; }  ';
+          it.compositeRule = $it.compositeRule = $wasComposite;
+        } else {
+          $it.schema = $aProperties;
+          $it.schemaPath = it.schemaPath + '.additionalProperties';
+          $it.errSchemaPath = it.errSchemaPath + '/additionalProperties';
+          $it.errorPath = it.opts._errorDataPathProperty ? it.errorPath : it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+          var $passData = $data + '[' + $key + ']';
+          $it.dataPathArr[$dataNxt] = $key;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+          } else {
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+          }
+          if ($breakOnError) {
+            out += ' if (!' + ($nextValid) + ') break; ';
+          }
+        }
+      }
+      it.errorPath = $currentErrorPath;
+    }
+    if ($someProperties) {
+      out += ' } ';
+    }
+    out += ' }  ';
+    if ($breakOnError) {
+      out += ' if (' + ($nextValid) + ') { ';
+      $closingBraces += '}';
+    }
+  }
+  var $useDefaults = it.opts.useDefaults && !it.compositeRule;
+  if ($schemaKeys.length) {
+    var arr3 = $schemaKeys;
+    if (arr3) {
+      var $propertyKey, i3 = -1,
+        l3 = arr3.length - 1;
+      while (i3 < l3) {
+        $propertyKey = arr3[i3 += 1];
+        var $sch = $schema[$propertyKey];
+        if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+          var $prop = it.util.getProperty($propertyKey),
+            $passData = $data + $prop,
+            $hasDefault = $useDefaults && $sch.default !== undefined;
+          $it.schema = $sch;
+          $it.schemaPath = $schemaPath + $prop;
+          $it.errSchemaPath = $errSchemaPath + '/' + it.util.escapeFragment($propertyKey);
+          $it.errorPath = it.util.getPath(it.errorPath, $propertyKey, it.opts.jsonPointers);
+          $it.dataPathArr[$dataNxt] = it.util.toQuotedString($propertyKey);
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            $code = it.util.varReplace($code, $nextData, $passData);
+            var $useData = $passData;
+          } else {
+            var $useData = $nextData;
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ';
+          }
+          if ($hasDefault) {
+            out += ' ' + ($code) + ' ';
+          } else {
+            if ($requiredHash && $requiredHash[$propertyKey]) {
+              out += ' if ( ' + ($useData) + ' === undefined ';
+              if ($ownProperties) {
+                out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+              }
+              out += ') { ' + ($nextValid) + ' = false; ';
+              var $currentErrorPath = it.errorPath,
+                $currErrSchemaPath = $errSchemaPath,
+                $missingProperty = it.util.escapeQuotes($propertyKey);
+              if (it.opts._errorDataPathProperty) {
+                it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+              }
+              $errSchemaPath = it.errSchemaPath + '/required';
+              var $$outStack = $$outStack || [];
+              $$outStack.push(out);
+              out = ''; /* istanbul ignore else */
+              if (it.createErrors !== false) {
+                out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+                if (it.opts.messages !== false) {
+                  out += ' , message: \'';
+                  if (it.opts._errorDataPathProperty) {
+                    out += 'is a required property';
+                  } else {
+                    out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+                  }
+                  out += '\' ';
+                }
+                if (it.opts.verbose) {
+                  out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+                }
+                out += ' } ';
+              } else {
+                out += ' {} ';
+              }
+              var __err = out;
+              out = $$outStack.pop();
+              if (!it.compositeRule && $breakOnError) {
+                /* istanbul ignore if */
+                if (it.async) {
+                  out += ' throw new ValidationError([' + (__err) + ']); ';
+                } else {
+                  out += ' validate.errors = [' + (__err) + ']; return false; ';
+                }
+              } else {
+                out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+              }
+              $errSchemaPath = $currErrSchemaPath;
+              it.errorPath = $currentErrorPath;
+              out += ' } else { ';
+            } else {
+              if ($breakOnError) {
+                out += ' if ( ' + ($useData) + ' === undefined ';
+                if ($ownProperties) {
+                  out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+                }
+                out += ') { ' + ($nextValid) + ' = true; } else { ';
+              } else {
+                out += ' if (' + ($useData) + ' !== undefined ';
+                if ($ownProperties) {
+                  out += ' &&   Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+                }
+                out += ' ) { ';
+              }
+            }
+            out += ' ' + ($code) + ' } ';
+          }
+        }
+        if ($breakOnError) {
+          out += ' if (' + ($nextValid) + ') { ';
+          $closingBraces += '}';
+        }
+      }
+    }
+  }
+  if ($pPropertyKeys.length) {
+    var arr4 = $pPropertyKeys;
+    if (arr4) {
+      var $pProperty, i4 = -1,
+        l4 = arr4.length - 1;
+      while (i4 < l4) {
+        $pProperty = arr4[i4 += 1];
+        var $sch = $pProperties[$pProperty];
+        if ((it.opts.strictKeywords ? (typeof $sch == 'object' && Object.keys($sch).length > 0) || $sch === false : it.util.schemaHasRules($sch, it.RULES.all))) {
+          $it.schema = $sch;
+          $it.schemaPath = it.schemaPath + '.patternProperties' + it.util.getProperty($pProperty);
+          $it.errSchemaPath = it.errSchemaPath + '/patternProperties/' + it.util.escapeFragment($pProperty);
+          if ($ownProperties) {
+            out += ' ' + ($dataProperties) + ' = ' + ($dataProperties) + ' || Object.keys(' + ($data) + '); for (var ' + ($idx) + '=0; ' + ($idx) + '<' + ($dataProperties) + '.length; ' + ($idx) + '++) { var ' + ($key) + ' = ' + ($dataProperties) + '[' + ($idx) + ']; ';
+          } else {
+            out += ' for (var ' + ($key) + ' in ' + ($data) + ') { ';
+          }
+          out += ' if (' + (it.usePattern($pProperty)) + '.test(' + ($key) + ')) { ';
+          $it.errorPath = it.util.getPathExpr(it.errorPath, $key, it.opts.jsonPointers);
+          var $passData = $data + '[' + $key + ']';
+          $it.dataPathArr[$dataNxt] = $key;
+          var $code = it.validate($it);
+          $it.baseId = $currentBaseId;
+          if (it.util.varOccurences($code, $nextData) < 2) {
+            out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+          } else {
+            out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+          }
+          if ($breakOnError) {
+            out += ' if (!' + ($nextValid) + ') break; ';
+          }
+          out += ' } ';
+          if ($breakOnError) {
+            out += ' else ' + ($nextValid) + ' = true; ';
+          }
+          out += ' }  ';
+          if ($breakOnError) {
+            out += ' if (' + ($nextValid) + ') { ';
+            $closingBraces += '}';
+          }
+        }
+      }
+    }
+  }
+  if ($breakOnError) {
+    out += ' ' + ($closingBraces) + ' if (' + ($errs) + ' == errors) {';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/propertyNames.js b/node_modules/ajv/lib/dotjs/propertyNames.js
new file mode 100644
index 000000000..2a54a08f4
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/propertyNames.js
@@ -0,0 +1,81 @@
+'use strict';
+module.exports = function generate_propertyNames(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $errs = 'errs__' + $lvl;
+  var $it = it.util.copy(it);
+  var $closingBraces = '';
+  $it.level++;
+  var $nextValid = 'valid' + $it.level;
+  out += 'var ' + ($errs) + ' = errors;';
+  if ((it.opts.strictKeywords ? (typeof $schema == 'object' && Object.keys($schema).length > 0) || $schema === false : it.util.schemaHasRules($schema, it.RULES.all))) {
+    $it.schema = $schema;
+    $it.schemaPath = $schemaPath;
+    $it.errSchemaPath = $errSchemaPath;
+    var $key = 'key' + $lvl,
+      $idx = 'idx' + $lvl,
+      $i = 'i' + $lvl,
+      $invalidName = '\' + ' + $key + ' + \'',
+      $dataNxt = $it.dataLevel = it.dataLevel + 1,
+      $nextData = 'data' + $dataNxt,
+      $dataProperties = 'dataProperties' + $lvl,
+      $ownProperties = it.opts.ownProperties,
+      $currentBaseId = it.baseId;
+    if ($ownProperties) {
+      out += ' var ' + ($dataProperties) + ' = undefined; ';
+    }
+    if ($ownProperties) {
+      out += ' ' + ($dataProperties) + ' = ' + ($dataProperties) + ' || Object.keys(' + ($data) + '); for (var ' + ($idx) + '=0; ' + ($idx) + '<' + ($dataProperties) + '.length; ' + ($idx) + '++) { var ' + ($key) + ' = ' + ($dataProperties) + '[' + ($idx) + ']; ';
+    } else {
+      out += ' for (var ' + ($key) + ' in ' + ($data) + ') { ';
+    }
+    out += ' var startErrs' + ($lvl) + ' = errors; ';
+    var $passData = $key;
+    var $wasComposite = it.compositeRule;
+    it.compositeRule = $it.compositeRule = true;
+    var $code = it.validate($it);
+    $it.baseId = $currentBaseId;
+    if (it.util.varOccurences($code, $nextData) < 2) {
+      out += ' ' + (it.util.varReplace($code, $nextData, $passData)) + ' ';
+    } else {
+      out += ' var ' + ($nextData) + ' = ' + ($passData) + '; ' + ($code) + ' ';
+    }
+    it.compositeRule = $it.compositeRule = $wasComposite;
+    out += ' if (!' + ($nextValid) + ') { for (var ' + ($i) + '=startErrs' + ($lvl) + '; ' + ($i) + '<errors; ' + ($i) + '++) { vErrors[' + ($i) + '].propertyName = ' + ($key) + '; }   var err =   '; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('propertyNames') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { propertyName: \'' + ($invalidName) + '\' } ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'property name \\\'' + ($invalidName) + '\\\' is invalid\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError(vErrors); ';
+      } else {
+        out += ' validate.errors = vErrors; return false; ';
+      }
+    }
+    if ($breakOnError) {
+      out += ' break; ';
+    }
+    out += ' } }';
+  }
+  if ($breakOnError) {
+    out += ' ' + ($closingBraces) + ' if (' + ($errs) + ' == errors) {';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/ref.js b/node_modules/ajv/lib/dotjs/ref.js
new file mode 100644
index 000000000..8042a4788
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/ref.js
@@ -0,0 +1,124 @@
+'use strict';
+module.exports = function generate_ref(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $async, $refCode;
+  if ($schema == '#' || $schema == '#/') {
+    if (it.isRoot) {
+      $async = it.async;
+      $refCode = 'validate';
+    } else {
+      $async = it.root.schema.$async === true;
+      $refCode = 'root.refVal[0]';
+    }
+  } else {
+    var $refVal = it.resolveRef(it.baseId, $schema, it.isRoot);
+    if ($refVal === undefined) {
+      var $message = it.MissingRefError.message(it.baseId, $schema);
+      if (it.opts.missingRefs == 'fail') {
+        it.logger.error($message);
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('$ref') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { ref: \'' + (it.util.escapeQuotes($schema)) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'can\\\'t resolve reference ' + (it.util.escapeQuotes($schema)) + '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: ' + (it.util.toQuotedString($schema)) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+        if ($breakOnError) {
+          out += ' if (false) { ';
+        }
+      } else if (it.opts.missingRefs == 'ignore') {
+        it.logger.warn($message);
+        if ($breakOnError) {
+          out += ' if (true) { ';
+        }
+      } else {
+        throw new it.MissingRefError(it.baseId, $schema, $message);
+      }
+    } else if ($refVal.inline) {
+      var $it = it.util.copy(it);
+      $it.level++;
+      var $nextValid = 'valid' + $it.level;
+      $it.schema = $refVal.schema;
+      $it.schemaPath = '';
+      $it.errSchemaPath = $schema;
+      var $code = it.validate($it).replace(/validate\.schema/g, $refVal.code);
+      out += ' ' + ($code) + ' ';
+      if ($breakOnError) {
+        out += ' if (' + ($nextValid) + ') { ';
+      }
+    } else {
+      $async = $refVal.$async === true || (it.async && $refVal.$async !== false);
+      $refCode = $refVal.code;
+    }
+  }
+  if ($refCode) {
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = '';
+    if (it.opts.passContext) {
+      out += ' ' + ($refCode) + '.call(this, ';
+    } else {
+      out += ' ' + ($refCode) + '( ';
+    }
+    out += ' ' + ($data) + ', (dataPath || \'\')';
+    if (it.errorPath != '""') {
+      out += ' + ' + (it.errorPath);
+    }
+    var $parentData = $dataLvl ? 'data' + (($dataLvl - 1) || '') : 'parentData',
+      $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+    out += ' , ' + ($parentData) + ' , ' + ($parentDataProperty) + ', rootData)  ';
+    var __callValidate = out;
+    out = $$outStack.pop();
+    if ($async) {
+      if (!it.async) throw new Error('async schema referenced by sync schema');
+      if ($breakOnError) {
+        out += ' var ' + ($valid) + '; ';
+      }
+      out += ' try { await ' + (__callValidate) + '; ';
+      if ($breakOnError) {
+        out += ' ' + ($valid) + ' = true; ';
+      }
+      out += ' } catch (e) { if (!(e instanceof ValidationError)) throw e; if (vErrors === null) vErrors = e.errors; else vErrors = vErrors.concat(e.errors); errors = vErrors.length; ';
+      if ($breakOnError) {
+        out += ' ' + ($valid) + ' = false; ';
+      }
+      out += ' } ';
+      if ($breakOnError) {
+        out += ' if (' + ($valid) + ') { ';
+      }
+    } else {
+      out += ' if (!' + (__callValidate) + ') { if (vErrors === null) vErrors = ' + ($refCode) + '.errors; else vErrors = vErrors.concat(' + ($refCode) + '.errors); errors = vErrors.length; } ';
+      if ($breakOnError) {
+        out += ' else { ';
+      }
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/required.js b/node_modules/ajv/lib/dotjs/required.js
new file mode 100644
index 000000000..14873eee3
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/required.js
@@ -0,0 +1,270 @@
+'use strict';
+module.exports = function generate_required(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  var $vSchema = 'schema' + $lvl;
+  if (!$isData) {
+    if ($schema.length < it.opts.loopRequired && it.schema.properties && Object.keys(it.schema.properties).length) {
+      var $required = [];
+      var arr1 = $schema;
+      if (arr1) {
+        var $property, i1 = -1,
+          l1 = arr1.length - 1;
+        while (i1 < l1) {
+          $property = arr1[i1 += 1];
+          var $propertySch = it.schema.properties[$property];
+          if (!($propertySch && (it.opts.strictKeywords ? (typeof $propertySch == 'object' && Object.keys($propertySch).length > 0) || $propertySch === false : it.util.schemaHasRules($propertySch, it.RULES.all)))) {
+            $required[$required.length] = $property;
+          }
+        }
+      }
+    } else {
+      var $required = $schema;
+    }
+  }
+  if ($isData || $required.length) {
+    var $currentErrorPath = it.errorPath,
+      $loopRequired = $isData || $required.length >= it.opts.loopRequired,
+      $ownProperties = it.opts.ownProperties;
+    if ($breakOnError) {
+      out += ' var missing' + ($lvl) + '; ';
+      if ($loopRequired) {
+        if (!$isData) {
+          out += ' var ' + ($vSchema) + ' = validate.schema' + ($schemaPath) + '; ';
+        }
+        var $i = 'i' + $lvl,
+          $propertyPath = 'schema' + $lvl + '[' + $i + ']',
+          $missingProperty = '\' + ' + $propertyPath + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
+        }
+        out += ' var ' + ($valid) + ' = true; ';
+        if ($isData) {
+          out += ' if (schema' + ($lvl) + ' === undefined) ' + ($valid) + ' = true; else if (!Array.isArray(schema' + ($lvl) + ')) ' + ($valid) + ' = false; else {';
+        }
+        out += ' for (var ' + ($i) + ' = 0; ' + ($i) + ' < ' + ($vSchema) + '.length; ' + ($i) + '++) { ' + ($valid) + ' = ' + ($data) + '[' + ($vSchema) + '[' + ($i) + ']] !== undefined ';
+        if ($ownProperties) {
+          out += ' &&   Object.prototype.hasOwnProperty.call(' + ($data) + ', ' + ($vSchema) + '[' + ($i) + ']) ';
+        }
+        out += '; if (!' + ($valid) + ') break; } ';
+        if ($isData) {
+          out += '  }  ';
+        }
+        out += '  if (!' + ($valid) + ') {   ';
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'';
+            if (it.opts._errorDataPathProperty) {
+              out += 'is a required property';
+            } else {
+              out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+        out += ' } else { ';
+      } else {
+        out += ' if ( ';
+        var arr2 = $required;
+        if (arr2) {
+          var $propertyKey, $i = -1,
+            l2 = arr2.length - 1;
+          while ($i < l2) {
+            $propertyKey = arr2[$i += 1];
+            if ($i) {
+              out += ' || ';
+            }
+            var $prop = it.util.getProperty($propertyKey),
+              $useData = $data + $prop;
+            out += ' ( ( ' + ($useData) + ' === undefined ';
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+            }
+            out += ') && (missing' + ($lvl) + ' = ' + (it.util.toQuotedString(it.opts.jsonPointers ? $propertyKey : $prop)) + ') ) ';
+          }
+        }
+        out += ') {  ';
+        var $propertyPath = 'missing' + $lvl,
+          $missingProperty = '\' + ' + $propertyPath + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.opts.jsonPointers ? it.util.getPathExpr($currentErrorPath, $propertyPath, true) : $currentErrorPath + ' + ' + $propertyPath;
+        }
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'';
+            if (it.opts._errorDataPathProperty) {
+              out += 'is a required property';
+            } else {
+              out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+        out += ' } else { ';
+      }
+    } else {
+      if ($loopRequired) {
+        if (!$isData) {
+          out += ' var ' + ($vSchema) + ' = validate.schema' + ($schemaPath) + '; ';
+        }
+        var $i = 'i' + $lvl,
+          $propertyPath = 'schema' + $lvl + '[' + $i + ']',
+          $missingProperty = '\' + ' + $propertyPath + ' + \'';
+        if (it.opts._errorDataPathProperty) {
+          it.errorPath = it.util.getPathExpr($currentErrorPath, $propertyPath, it.opts.jsonPointers);
+        }
+        if ($isData) {
+          out += ' if (' + ($vSchema) + ' && !Array.isArray(' + ($vSchema) + ')) {  var err =   '; /* istanbul ignore else */
+          if (it.createErrors !== false) {
+            out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+            if (it.opts.messages !== false) {
+              out += ' , message: \'';
+              if (it.opts._errorDataPathProperty) {
+                out += 'is a required property';
+              } else {
+                out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+              }
+              out += '\' ';
+            }
+            if (it.opts.verbose) {
+              out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+            }
+            out += ' } ';
+          } else {
+            out += ' {} ';
+          }
+          out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } else if (' + ($vSchema) + ' !== undefined) { ';
+        }
+        out += ' for (var ' + ($i) + ' = 0; ' + ($i) + ' < ' + ($vSchema) + '.length; ' + ($i) + '++) { if (' + ($data) + '[' + ($vSchema) + '[' + ($i) + ']] === undefined ';
+        if ($ownProperties) {
+          out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', ' + ($vSchema) + '[' + ($i) + ']) ';
+        }
+        out += ') {  var err =   '; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'';
+            if (it.opts._errorDataPathProperty) {
+              out += 'is a required property';
+            } else {
+              out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } } ';
+        if ($isData) {
+          out += '  }  ';
+        }
+      } else {
+        var arr3 = $required;
+        if (arr3) {
+          var $propertyKey, i3 = -1,
+            l3 = arr3.length - 1;
+          while (i3 < l3) {
+            $propertyKey = arr3[i3 += 1];
+            var $prop = it.util.getProperty($propertyKey),
+              $missingProperty = it.util.escapeQuotes($propertyKey),
+              $useData = $data + $prop;
+            if (it.opts._errorDataPathProperty) {
+              it.errorPath = it.util.getPath($currentErrorPath, $propertyKey, it.opts.jsonPointers);
+            }
+            out += ' if ( ' + ($useData) + ' === undefined ';
+            if ($ownProperties) {
+              out += ' || ! Object.prototype.hasOwnProperty.call(' + ($data) + ', \'' + (it.util.escapeQuotes($propertyKey)) + '\') ';
+            }
+            out += ') {  var err =   '; /* istanbul ignore else */
+            if (it.createErrors !== false) {
+              out += ' { keyword: \'' + ('required') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { missingProperty: \'' + ($missingProperty) + '\' } ';
+              if (it.opts.messages !== false) {
+                out += ' , message: \'';
+                if (it.opts._errorDataPathProperty) {
+                  out += 'is a required property';
+                } else {
+                  out += 'should have required property \\\'' + ($missingProperty) + '\\\'';
+                }
+                out += '\' ';
+              }
+              if (it.opts.verbose) {
+                out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+              }
+              out += ' } ';
+            } else {
+              out += ' {} ';
+            }
+            out += ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; } ';
+          }
+        }
+      }
+    }
+    it.errorPath = $currentErrorPath;
+  } else if ($breakOnError) {
+    out += ' if (true) {';
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/uniqueItems.js b/node_modules/ajv/lib/dotjs/uniqueItems.js
new file mode 100644
index 000000000..0736a0ed2
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/uniqueItems.js
@@ -0,0 +1,86 @@
+'use strict';
+module.exports = function generate_uniqueItems(it, $keyword, $ruleType) {
+  var out = ' ';
+  var $lvl = it.level;
+  var $dataLvl = it.dataLevel;
+  var $schema = it.schema[$keyword];
+  var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+  var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+  var $breakOnError = !it.opts.allErrors;
+  var $data = 'data' + ($dataLvl || '');
+  var $valid = 'valid' + $lvl;
+  var $isData = it.opts.$data && $schema && $schema.$data,
+    $schemaValue;
+  if ($isData) {
+    out += ' var schema' + ($lvl) + ' = ' + (it.util.getData($schema.$data, $dataLvl, it.dataPathArr)) + '; ';
+    $schemaValue = 'schema' + $lvl;
+  } else {
+    $schemaValue = $schema;
+  }
+  if (($schema || $isData) && it.opts.uniqueItems !== false) {
+    if ($isData) {
+      out += ' var ' + ($valid) + '; if (' + ($schemaValue) + ' === false || ' + ($schemaValue) + ' === undefined) ' + ($valid) + ' = true; else if (typeof ' + ($schemaValue) + ' != \'boolean\') ' + ($valid) + ' = false; else { ';
+    }
+    out += ' var i = ' + ($data) + '.length , ' + ($valid) + ' = true , j; if (i > 1) { ';
+    var $itemType = it.schema.items && it.schema.items.type,
+      $typeIsArray = Array.isArray($itemType);
+    if (!$itemType || $itemType == 'object' || $itemType == 'array' || ($typeIsArray && ($itemType.indexOf('object') >= 0 || $itemType.indexOf('array') >= 0))) {
+      out += ' outer: for (;i--;) { for (j = i; j--;) { if (equal(' + ($data) + '[i], ' + ($data) + '[j])) { ' + ($valid) + ' = false; break outer; } } } ';
+    } else {
+      out += ' var itemIndices = {}, item; for (;i--;) { var item = ' + ($data) + '[i]; ';
+      var $method = 'checkDataType' + ($typeIsArray ? 's' : '');
+      out += ' if (' + (it.util[$method]($itemType, 'item', it.opts.strictNumbers, true)) + ') continue; ';
+      if ($typeIsArray) {
+        out += ' if (typeof item == \'string\') item = \'"\' + item; ';
+      }
+      out += ' if (typeof itemIndices[item] == \'number\') { ' + ($valid) + ' = false; j = itemIndices[item]; break; } itemIndices[item] = i; } ';
+    }
+    out += ' } ';
+    if ($isData) {
+      out += '  }  ';
+    }
+    out += ' if (!' + ($valid) + ') {   ';
+    var $$outStack = $$outStack || [];
+    $$outStack.push(out);
+    out = ''; /* istanbul ignore else */
+    if (it.createErrors !== false) {
+      out += ' { keyword: \'' + ('uniqueItems') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { i: i, j: j } ';
+      if (it.opts.messages !== false) {
+        out += ' , message: \'should NOT have duplicate items (items ## \' + j + \' and \' + i + \' are identical)\' ';
+      }
+      if (it.opts.verbose) {
+        out += ' , schema:  ';
+        if ($isData) {
+          out += 'validate.schema' + ($schemaPath);
+        } else {
+          out += '' + ($schema);
+        }
+        out += '         , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+      }
+      out += ' } ';
+    } else {
+      out += ' {} ';
+    }
+    var __err = out;
+    out = $$outStack.pop();
+    if (!it.compositeRule && $breakOnError) {
+      /* istanbul ignore if */
+      if (it.async) {
+        out += ' throw new ValidationError([' + (__err) + ']); ';
+      } else {
+        out += ' validate.errors = [' + (__err) + ']; return false; ';
+      }
+    } else {
+      out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+    }
+    out += ' } ';
+    if ($breakOnError) {
+      out += ' else { ';
+    }
+  } else {
+    if ($breakOnError) {
+      out += ' if (true) { ';
+    }
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/dotjs/validate.js b/node_modules/ajv/lib/dotjs/validate.js
new file mode 100644
index 000000000..f295824b9
--- /dev/null
+++ b/node_modules/ajv/lib/dotjs/validate.js
@@ -0,0 +1,482 @@
+'use strict';
+module.exports = function generate_validate(it, $keyword, $ruleType) {
+  var out = '';
+  var $async = it.schema.$async === true,
+    $refKeywords = it.util.schemaHasRulesExcept(it.schema, it.RULES.all, '$ref'),
+    $id = it.self._getId(it.schema);
+  if (it.opts.strictKeywords) {
+    var $unknownKwd = it.util.schemaUnknownRules(it.schema, it.RULES.keywords);
+    if ($unknownKwd) {
+      var $keywordsMsg = 'unknown keyword: ' + $unknownKwd;
+      if (it.opts.strictKeywords === 'log') it.logger.warn($keywordsMsg);
+      else throw new Error($keywordsMsg);
+    }
+  }
+  if (it.isTop) {
+    out += ' var validate = ';
+    if ($async) {
+      it.async = true;
+      out += 'async ';
+    }
+    out += 'function(data, dataPath, parentData, parentDataProperty, rootData) { \'use strict\'; ';
+    if ($id && (it.opts.sourceCode || it.opts.processCode)) {
+      out += ' ' + ('/\*# sourceURL=' + $id + ' */') + ' ';
+    }
+  }
+  if (typeof it.schema == 'boolean' || !($refKeywords || it.schema.$ref)) {
+    var $keyword = 'false schema';
+    var $lvl = it.level;
+    var $dataLvl = it.dataLevel;
+    var $schema = it.schema[$keyword];
+    var $schemaPath = it.schemaPath + it.util.getProperty($keyword);
+    var $errSchemaPath = it.errSchemaPath + '/' + $keyword;
+    var $breakOnError = !it.opts.allErrors;
+    var $errorKeyword;
+    var $data = 'data' + ($dataLvl || '');
+    var $valid = 'valid' + $lvl;
+    if (it.schema === false) {
+      if (it.isTop) {
+        $breakOnError = true;
+      } else {
+        out += ' var ' + ($valid) + ' = false; ';
+      }
+      var $$outStack = $$outStack || [];
+      $$outStack.push(out);
+      out = ''; /* istanbul ignore else */
+      if (it.createErrors !== false) {
+        out += ' { keyword: \'' + ($errorKeyword || 'false schema') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: {} ';
+        if (it.opts.messages !== false) {
+          out += ' , message: \'boolean schema is false\' ';
+        }
+        if (it.opts.verbose) {
+          out += ' , schema: false , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+        }
+        out += ' } ';
+      } else {
+        out += ' {} ';
+      }
+      var __err = out;
+      out = $$outStack.pop();
+      if (!it.compositeRule && $breakOnError) {
+        /* istanbul ignore if */
+        if (it.async) {
+          out += ' throw new ValidationError([' + (__err) + ']); ';
+        } else {
+          out += ' validate.errors = [' + (__err) + ']; return false; ';
+        }
+      } else {
+        out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+      }
+    } else {
+      if (it.isTop) {
+        if ($async) {
+          out += ' return data; ';
+        } else {
+          out += ' validate.errors = null; return true; ';
+        }
+      } else {
+        out += ' var ' + ($valid) + ' = true; ';
+      }
+    }
+    if (it.isTop) {
+      out += ' }; return validate; ';
+    }
+    return out;
+  }
+  if (it.isTop) {
+    var $top = it.isTop,
+      $lvl = it.level = 0,
+      $dataLvl = it.dataLevel = 0,
+      $data = 'data';
+    it.rootId = it.resolve.fullPath(it.self._getId(it.root.schema));
+    it.baseId = it.baseId || it.rootId;
+    delete it.isTop;
+    it.dataPathArr = [""];
+    if (it.schema.default !== undefined && it.opts.useDefaults && it.opts.strictDefaults) {
+      var $defaultMsg = 'default is ignored in the schema root';
+      if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+      else throw new Error($defaultMsg);
+    }
+    out += ' var vErrors = null; ';
+    out += ' var errors = 0;     ';
+    out += ' if (rootData === undefined) rootData = data; ';
+  } else {
+    var $lvl = it.level,
+      $dataLvl = it.dataLevel,
+      $data = 'data' + ($dataLvl || '');
+    if ($id) it.baseId = it.resolve.url(it.baseId, $id);
+    if ($async && !it.async) throw new Error('async schema in sync schema');
+    out += ' var errs_' + ($lvl) + ' = errors;';
+  }
+  var $valid = 'valid' + $lvl,
+    $breakOnError = !it.opts.allErrors,
+    $closingBraces1 = '',
+    $closingBraces2 = '';
+  var $errorKeyword;
+  var $typeSchema = it.schema.type,
+    $typeIsArray = Array.isArray($typeSchema);
+  if ($typeSchema && it.opts.nullable && it.schema.nullable === true) {
+    if ($typeIsArray) {
+      if ($typeSchema.indexOf('null') == -1) $typeSchema = $typeSchema.concat('null');
+    } else if ($typeSchema != 'null') {
+      $typeSchema = [$typeSchema, 'null'];
+      $typeIsArray = true;
+    }
+  }
+  if ($typeIsArray && $typeSchema.length == 1) {
+    $typeSchema = $typeSchema[0];
+    $typeIsArray = false;
+  }
+  if (it.schema.$ref && $refKeywords) {
+    if (it.opts.extendRefs == 'fail') {
+      throw new Error('$ref: validation keywords used in schema at path "' + it.errSchemaPath + '" (see option extendRefs)');
+    } else if (it.opts.extendRefs !== true) {
+      $refKeywords = false;
+      it.logger.warn('$ref: keywords ignored in schema at path "' + it.errSchemaPath + '"');
+    }
+  }
+  if (it.schema.$comment && it.opts.$comment) {
+    out += ' ' + (it.RULES.all.$comment.code(it, '$comment'));
+  }
+  if ($typeSchema) {
+    if (it.opts.coerceTypes) {
+      var $coerceToTypes = it.util.coerceToTypes(it.opts.coerceTypes, $typeSchema);
+    }
+    var $rulesGroup = it.RULES.types[$typeSchema];
+    if ($coerceToTypes || $typeIsArray || $rulesGroup === true || ($rulesGroup && !$shouldUseGroup($rulesGroup))) {
+      var $schemaPath = it.schemaPath + '.type',
+        $errSchemaPath = it.errSchemaPath + '/type';
+      var $schemaPath = it.schemaPath + '.type',
+        $errSchemaPath = it.errSchemaPath + '/type',
+        $method = $typeIsArray ? 'checkDataTypes' : 'checkDataType';
+      out += ' if (' + (it.util[$method]($typeSchema, $data, it.opts.strictNumbers, true)) + ') { ';
+      if ($coerceToTypes) {
+        var $dataType = 'dataType' + $lvl,
+          $coerced = 'coerced' + $lvl;
+        out += ' var ' + ($dataType) + ' = typeof ' + ($data) + '; var ' + ($coerced) + ' = undefined; ';
+        if (it.opts.coerceTypes == 'array') {
+          out += ' if (' + ($dataType) + ' == \'object\' && Array.isArray(' + ($data) + ') && ' + ($data) + '.length == 1) { ' + ($data) + ' = ' + ($data) + '[0]; ' + ($dataType) + ' = typeof ' + ($data) + '; if (' + (it.util.checkDataType(it.schema.type, $data, it.opts.strictNumbers)) + ') ' + ($coerced) + ' = ' + ($data) + '; } ';
+        }
+        out += ' if (' + ($coerced) + ' !== undefined) ; ';
+        var arr1 = $coerceToTypes;
+        if (arr1) {
+          var $type, $i = -1,
+            l1 = arr1.length - 1;
+          while ($i < l1) {
+            $type = arr1[$i += 1];
+            if ($type == 'string') {
+              out += ' else if (' + ($dataType) + ' == \'number\' || ' + ($dataType) + ' == \'boolean\') ' + ($coerced) + ' = \'\' + ' + ($data) + '; else if (' + ($data) + ' === null) ' + ($coerced) + ' = \'\'; ';
+            } else if ($type == 'number' || $type == 'integer') {
+              out += ' else if (' + ($dataType) + ' == \'boolean\' || ' + ($data) + ' === null || (' + ($dataType) + ' == \'string\' && ' + ($data) + ' && ' + ($data) + ' == +' + ($data) + ' ';
+              if ($type == 'integer') {
+                out += ' && !(' + ($data) + ' % 1)';
+              }
+              out += ')) ' + ($coerced) + ' = +' + ($data) + '; ';
+            } else if ($type == 'boolean') {
+              out += ' else if (' + ($data) + ' === \'false\' || ' + ($data) + ' === 0 || ' + ($data) + ' === null) ' + ($coerced) + ' = false; else if (' + ($data) + ' === \'true\' || ' + ($data) + ' === 1) ' + ($coerced) + ' = true; ';
+            } else if ($type == 'null') {
+              out += ' else if (' + ($data) + ' === \'\' || ' + ($data) + ' === 0 || ' + ($data) + ' === false) ' + ($coerced) + ' = null; ';
+            } else if (it.opts.coerceTypes == 'array' && $type == 'array') {
+              out += ' else if (' + ($dataType) + ' == \'string\' || ' + ($dataType) + ' == \'number\' || ' + ($dataType) + ' == \'boolean\' || ' + ($data) + ' == null) ' + ($coerced) + ' = [' + ($data) + ']; ';
+            }
+          }
+        }
+        out += ' else {   ';
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
+          if ($typeIsArray) {
+            out += '' + ($typeSchema.join(","));
+          } else {
+            out += '' + ($typeSchema);
+          }
+          out += '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'should be ';
+            if ($typeIsArray) {
+              out += '' + ($typeSchema.join(","));
+            } else {
+              out += '' + ($typeSchema);
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+        out += ' } if (' + ($coerced) + ' !== undefined) {  ';
+        var $parentData = $dataLvl ? 'data' + (($dataLvl - 1) || '') : 'parentData',
+          $parentDataProperty = $dataLvl ? it.dataPathArr[$dataLvl] : 'parentDataProperty';
+        out += ' ' + ($data) + ' = ' + ($coerced) + '; ';
+        if (!$dataLvl) {
+          out += 'if (' + ($parentData) + ' !== undefined)';
+        }
+        out += ' ' + ($parentData) + '[' + ($parentDataProperty) + '] = ' + ($coerced) + '; } ';
+      } else {
+        var $$outStack = $$outStack || [];
+        $$outStack.push(out);
+        out = ''; /* istanbul ignore else */
+        if (it.createErrors !== false) {
+          out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
+          if ($typeIsArray) {
+            out += '' + ($typeSchema.join(","));
+          } else {
+            out += '' + ($typeSchema);
+          }
+          out += '\' } ';
+          if (it.opts.messages !== false) {
+            out += ' , message: \'should be ';
+            if ($typeIsArray) {
+              out += '' + ($typeSchema.join(","));
+            } else {
+              out += '' + ($typeSchema);
+            }
+            out += '\' ';
+          }
+          if (it.opts.verbose) {
+            out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+          }
+          out += ' } ';
+        } else {
+          out += ' {} ';
+        }
+        var __err = out;
+        out = $$outStack.pop();
+        if (!it.compositeRule && $breakOnError) {
+          /* istanbul ignore if */
+          if (it.async) {
+            out += ' throw new ValidationError([' + (__err) + ']); ';
+          } else {
+            out += ' validate.errors = [' + (__err) + ']; return false; ';
+          }
+        } else {
+          out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+        }
+      }
+      out += ' } ';
+    }
+  }
+  if (it.schema.$ref && !$refKeywords) {
+    out += ' ' + (it.RULES.all.$ref.code(it, '$ref')) + ' ';
+    if ($breakOnError) {
+      out += ' } if (errors === ';
+      if ($top) {
+        out += '0';
+      } else {
+        out += 'errs_' + ($lvl);
+      }
+      out += ') { ';
+      $closingBraces2 += '}';
+    }
+  } else {
+    var arr2 = it.RULES;
+    if (arr2) {
+      var $rulesGroup, i2 = -1,
+        l2 = arr2.length - 1;
+      while (i2 < l2) {
+        $rulesGroup = arr2[i2 += 1];
+        if ($shouldUseGroup($rulesGroup)) {
+          if ($rulesGroup.type) {
+            out += ' if (' + (it.util.checkDataType($rulesGroup.type, $data, it.opts.strictNumbers)) + ') { ';
+          }
+          if (it.opts.useDefaults) {
+            if ($rulesGroup.type == 'object' && it.schema.properties) {
+              var $schema = it.schema.properties,
+                $schemaKeys = Object.keys($schema);
+              var arr3 = $schemaKeys;
+              if (arr3) {
+                var $propertyKey, i3 = -1,
+                  l3 = arr3.length - 1;
+                while (i3 < l3) {
+                  $propertyKey = arr3[i3 += 1];
+                  var $sch = $schema[$propertyKey];
+                  if ($sch.default !== undefined) {
+                    var $passData = $data + it.util.getProperty($propertyKey);
+                    if (it.compositeRule) {
+                      if (it.opts.strictDefaults) {
+                        var $defaultMsg = 'default is ignored for: ' + $passData;
+                        if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+                        else throw new Error($defaultMsg);
+                      }
+                    } else {
+                      out += ' if (' + ($passData) + ' === undefined ';
+                      if (it.opts.useDefaults == 'empty') {
+                        out += ' || ' + ($passData) + ' === null || ' + ($passData) + ' === \'\' ';
+                      }
+                      out += ' ) ' + ($passData) + ' = ';
+                      if (it.opts.useDefaults == 'shared') {
+                        out += ' ' + (it.useDefault($sch.default)) + ' ';
+                      } else {
+                        out += ' ' + (JSON.stringify($sch.default)) + ' ';
+                      }
+                      out += '; ';
+                    }
+                  }
+                }
+              }
+            } else if ($rulesGroup.type == 'array' && Array.isArray(it.schema.items)) {
+              var arr4 = it.schema.items;
+              if (arr4) {
+                var $sch, $i = -1,
+                  l4 = arr4.length - 1;
+                while ($i < l4) {
+                  $sch = arr4[$i += 1];
+                  if ($sch.default !== undefined) {
+                    var $passData = $data + '[' + $i + ']';
+                    if (it.compositeRule) {
+                      if (it.opts.strictDefaults) {
+                        var $defaultMsg = 'default is ignored for: ' + $passData;
+                        if (it.opts.strictDefaults === 'log') it.logger.warn($defaultMsg);
+                        else throw new Error($defaultMsg);
+                      }
+                    } else {
+                      out += ' if (' + ($passData) + ' === undefined ';
+                      if (it.opts.useDefaults == 'empty') {
+                        out += ' || ' + ($passData) + ' === null || ' + ($passData) + ' === \'\' ';
+                      }
+                      out += ' ) ' + ($passData) + ' = ';
+                      if (it.opts.useDefaults == 'shared') {
+                        out += ' ' + (it.useDefault($sch.default)) + ' ';
+                      } else {
+                        out += ' ' + (JSON.stringify($sch.default)) + ' ';
+                      }
+                      out += '; ';
+                    }
+                  }
+                }
+              }
+            }
+          }
+          var arr5 = $rulesGroup.rules;
+          if (arr5) {
+            var $rule, i5 = -1,
+              l5 = arr5.length - 1;
+            while (i5 < l5) {
+              $rule = arr5[i5 += 1];
+              if ($shouldUseRule($rule)) {
+                var $code = $rule.code(it, $rule.keyword, $rulesGroup.type);
+                if ($code) {
+                  out += ' ' + ($code) + ' ';
+                  if ($breakOnError) {
+                    $closingBraces1 += '}';
+                  }
+                }
+              }
+            }
+          }
+          if ($breakOnError) {
+            out += ' ' + ($closingBraces1) + ' ';
+            $closingBraces1 = '';
+          }
+          if ($rulesGroup.type) {
+            out += ' } ';
+            if ($typeSchema && $typeSchema === $rulesGroup.type && !$coerceToTypes) {
+              out += ' else { ';
+              var $schemaPath = it.schemaPath + '.type',
+                $errSchemaPath = it.errSchemaPath + '/type';
+              var $$outStack = $$outStack || [];
+              $$outStack.push(out);
+              out = ''; /* istanbul ignore else */
+              if (it.createErrors !== false) {
+                out += ' { keyword: \'' + ($errorKeyword || 'type') + '\' , dataPath: (dataPath || \'\') + ' + (it.errorPath) + ' , schemaPath: ' + (it.util.toQuotedString($errSchemaPath)) + ' , params: { type: \'';
+                if ($typeIsArray) {
+                  out += '' + ($typeSchema.join(","));
+                } else {
+                  out += '' + ($typeSchema);
+                }
+                out += '\' } ';
+                if (it.opts.messages !== false) {
+                  out += ' , message: \'should be ';
+                  if ($typeIsArray) {
+                    out += '' + ($typeSchema.join(","));
+                  } else {
+                    out += '' + ($typeSchema);
+                  }
+                  out += '\' ';
+                }
+                if (it.opts.verbose) {
+                  out += ' , schema: validate.schema' + ($schemaPath) + ' , parentSchema: validate.schema' + (it.schemaPath) + ' , data: ' + ($data) + ' ';
+                }
+                out += ' } ';
+              } else {
+                out += ' {} ';
+              }
+              var __err = out;
+              out = $$outStack.pop();
+              if (!it.compositeRule && $breakOnError) {
+                /* istanbul ignore if */
+                if (it.async) {
+                  out += ' throw new ValidationError([' + (__err) + ']); ';
+                } else {
+                  out += ' validate.errors = [' + (__err) + ']; return false; ';
+                }
+              } else {
+                out += ' var err = ' + (__err) + ';  if (vErrors === null) vErrors = [err]; else vErrors.push(err); errors++; ';
+              }
+              out += ' } ';
+            }
+          }
+          if ($breakOnError) {
+            out += ' if (errors === ';
+            if ($top) {
+              out += '0';
+            } else {
+              out += 'errs_' + ($lvl);
+            }
+            out += ') { ';
+            $closingBraces2 += '}';
+          }
+        }
+      }
+    }
+  }
+  if ($breakOnError) {
+    out += ' ' + ($closingBraces2) + ' ';
+  }
+  if ($top) {
+    if ($async) {
+      out += ' if (errors === 0) return data;           ';
+      out += ' else throw new ValidationError(vErrors); ';
+    } else {
+      out += ' validate.errors = vErrors; ';
+      out += ' return errors === 0;       ';
+    }
+    out += ' }; return validate;';
+  } else {
+    out += ' var ' + ($valid) + ' = errors === errs_' + ($lvl) + ';';
+  }
+
+  function $shouldUseGroup($rulesGroup) {
+    var rules = $rulesGroup.rules;
+    for (var i = 0; i < rules.length; i++)
+      if ($shouldUseRule(rules[i])) return true;
+  }
+
+  function $shouldUseRule($rule) {
+    return it.schema[$rule.keyword] !== undefined || ($rule.implements && $ruleImplementsSomeKeyword($rule));
+  }
+
+  function $ruleImplementsSomeKeyword($rule) {
+    var impl = $rule.implements;
+    for (var i = 0; i < impl.length; i++)
+      if (it.schema[impl[i]] !== undefined) return true;
+  }
+  return out;
+}
diff --git a/node_modules/ajv/lib/keyword.js b/node_modules/ajv/lib/keyword.js
new file mode 100644
index 000000000..06da9a2df
--- /dev/null
+++ b/node_modules/ajv/lib/keyword.js
@@ -0,0 +1,146 @@
+'use strict';
+
+var IDENTIFIER = /^[a-z_$][a-z0-9_$-]*$/i;
+var customRuleCode = require('./dotjs/custom');
+var definitionSchema = require('./definition_schema');
+
+module.exports = {
+  add: addKeyword,
+  get: getKeyword,
+  remove: removeKeyword,
+  validate: validateKeyword
+};
+
+
+/**
+ * Define custom keyword
+ * @this  Ajv
+ * @param {String} keyword custom keyword, should be unique (including different from all standard, custom and macro keywords).
+ * @param {Object} definition keyword definition object with properties `type` (type(s) which the keyword applies to), `validate` or `compile`.
+ * @return {Ajv} this for method chaining
+ */
+function addKeyword(keyword, definition) {
+  /* jshint validthis: true */
+  /* eslint no-shadow: 0 */
+  var RULES = this.RULES;
+  if (RULES.keywords[keyword])
+    throw new Error('Keyword ' + keyword + ' is already defined');
+
+  if (!IDENTIFIER.test(keyword))
+    throw new Error('Keyword ' + keyword + ' is not a valid identifier');
+
+  if (definition) {
+    this.validateKeyword(definition, true);
+
+    var dataType = definition.type;
+    if (Array.isArray(dataType)) {
+      for (var i=0; i<dataType.length; i++)
+        _addRule(keyword, dataType[i], definition);
+    } else {
+      _addRule(keyword, dataType, definition);
+    }
+
+    var metaSchema = definition.metaSchema;
+    if (metaSchema) {
+      if (definition.$data && this._opts.$data) {
+        metaSchema = {
+          anyOf: [
+            metaSchema,
+            { '$ref': 'https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#' }
+          ]
+        };
+      }
+      definition.validateSchema = this.compile(metaSchema, true);
+    }
+  }
+
+  RULES.keywords[keyword] = RULES.all[keyword] = true;
+
+
+  function _addRule(keyword, dataType, definition) {
+    var ruleGroup;
+    for (var i=0; i<RULES.length; i++) {
+      var rg = RULES[i];
+      if (rg.type == dataType) {
+        ruleGroup = rg;
+        break;
+      }
+    }
+
+    if (!ruleGroup) {
+      ruleGroup = { type: dataType, rules: [] };
+      RULES.push(ruleGroup);
+    }
+
+    var rule = {
+      keyword: keyword,
+      definition: definition,
+      custom: true,
+      code: customRuleCode,
+      implements: definition.implements
+    };
+    ruleGroup.rules.push(rule);
+    RULES.custom[keyword] = rule;
+  }
+
+  return this;
+}
+
+
+/**
+ * Get keyword
+ * @this  Ajv
+ * @param {String} keyword pre-defined or custom keyword.
+ * @return {Object|Boolean} custom keyword definition, `true` if it is a predefined keyword, `false` otherwise.
+ */
+function getKeyword(keyword) {
+  /* jshint validthis: true */
+  var rule = this.RULES.custom[keyword];
+  return rule ? rule.definition : this.RULES.keywords[keyword] || false;
+}
+
+
+/**
+ * Remove keyword
+ * @this  Ajv
+ * @param {String} keyword pre-defined or custom keyword.
+ * @return {Ajv} this for method chaining
+ */
+function removeKeyword(keyword) {
+  /* jshint validthis: true */
+  var RULES = this.RULES;
+  delete RULES.keywords[keyword];
+  delete RULES.all[keyword];
+  delete RULES.custom[keyword];
+  for (var i=0; i<RULES.length; i++) {
+    var rules = RULES[i].rules;
+    for (var j=0; j<rules.length; j++) {
+      if (rules[j].keyword == keyword) {
+        rules.splice(j, 1);
+        break;
+      }
+    }
+  }
+  return this;
+}
+
+
+/**
+ * Validate keyword definition
+ * @this  Ajv
+ * @param {Object} definition keyword definition object.
+ * @param {Boolean} throwError true to throw exception if definition is invalid
+ * @return {boolean} validation result
+ */
+function validateKeyword(definition, throwError) {
+  validateKeyword.errors = null;
+  var v = this._validateKeyword = this._validateKeyword
+                                  || this.compile(definitionSchema, true);
+
+  if (v(definition)) return true;
+  validateKeyword.errors = v.errors;
+  if (throwError)
+    throw new Error('custom keyword definition is invalid: '  + this.errorsText(v.errors));
+  else
+    return false;
+}
diff --git a/node_modules/ajv/lib/refs/data.json b/node_modules/ajv/lib/refs/data.json
new file mode 100644
index 000000000..64aac5b61
--- /dev/null
+++ b/node_modules/ajv/lib/refs/data.json
@@ -0,0 +1,17 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/data.json#",
+    "description": "Meta-schema for $data reference (JSON Schema extension proposal)",
+    "type": "object",
+    "required": [ "$data" ],
+    "properties": {
+        "$data": {
+            "type": "string",
+            "anyOf": [
+                { "format": "relative-json-pointer" }, 
+                { "format": "json-pointer" }
+            ]
+        }
+    },
+    "additionalProperties": false
+}
diff --git a/node_modules/ajv/lib/refs/json-schema-draft-04.json b/node_modules/ajv/lib/refs/json-schema-draft-04.json
new file mode 100644
index 000000000..bcbb84743
--- /dev/null
+++ b/node_modules/ajv/lib/refs/json-schema-draft-04.json
@@ -0,0 +1,149 @@
+{
+    "id": "http://json-schema.org/draft-04/schema#",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "description": "Core schema meta-schema",
+    "definitions": {
+        "schemaArray": {
+            "type": "array",
+            "minItems": 1,
+            "items": { "$ref": "#" }
+        },
+        "positiveInteger": {
+            "type": "integer",
+            "minimum": 0
+        },
+        "positiveIntegerDefault0": {
+            "allOf": [ { "$ref": "#/definitions/positiveInteger" }, { "default": 0 } ]
+        },
+        "simpleTypes": {
+            "enum": [ "array", "boolean", "integer", "null", "number", "object", "string" ]
+        },
+        "stringArray": {
+            "type": "array",
+            "items": { "type": "string" },
+            "minItems": 1,
+            "uniqueItems": true
+        }
+    },
+    "type": "object",
+    "properties": {
+        "id": {
+            "type": "string"
+        },
+        "$schema": {
+            "type": "string"
+        },
+        "title": {
+            "type": "string"
+        },
+        "description": {
+            "type": "string"
+        },
+        "default": {},
+        "multipleOf": {
+            "type": "number",
+            "minimum": 0,
+            "exclusiveMinimum": true
+        },
+        "maximum": {
+            "type": "number"
+        },
+        "exclusiveMaximum": {
+            "type": "boolean",
+            "default": false
+        },
+        "minimum": {
+            "type": "number"
+        },
+        "exclusiveMinimum": {
+            "type": "boolean",
+            "default": false
+        },
+        "maxLength": { "$ref": "#/definitions/positiveInteger" },
+        "minLength": { "$ref": "#/definitions/positiveIntegerDefault0" },
+        "pattern": {
+            "type": "string",
+            "format": "regex"
+        },
+        "additionalItems": {
+            "anyOf": [
+                { "type": "boolean" },
+                { "$ref": "#" }
+            ],
+            "default": {}
+        },
+        "items": {
+            "anyOf": [
+                { "$ref": "#" },
+                { "$ref": "#/definitions/schemaArray" }
+            ],
+            "default": {}
+        },
+        "maxItems": { "$ref": "#/definitions/positiveInteger" },
+        "minItems": { "$ref": "#/definitions/positiveIntegerDefault0" },
+        "uniqueItems": {
+            "type": "boolean",
+            "default": false
+        },
+        "maxProperties": { "$ref": "#/definitions/positiveInteger" },
+        "minProperties": { "$ref": "#/definitions/positiveIntegerDefault0" },
+        "required": { "$ref": "#/definitions/stringArray" },
+        "additionalProperties": {
+            "anyOf": [
+                { "type": "boolean" },
+                { "$ref": "#" }
+            ],
+            "default": {}
+        },
+        "definitions": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "properties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "patternProperties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "dependencies": {
+            "type": "object",
+            "additionalProperties": {
+                "anyOf": [
+                    { "$ref": "#" },
+                    { "$ref": "#/definitions/stringArray" }
+                ]
+            }
+        },
+        "enum": {
+            "type": "array",
+            "minItems": 1,
+            "uniqueItems": true
+        },
+        "type": {
+            "anyOf": [
+                { "$ref": "#/definitions/simpleTypes" },
+                {
+                    "type": "array",
+                    "items": { "$ref": "#/definitions/simpleTypes" },
+                    "minItems": 1,
+                    "uniqueItems": true
+                }
+            ]
+        },
+        "format": { "type": "string" },
+        "allOf": { "$ref": "#/definitions/schemaArray" },
+        "anyOf": { "$ref": "#/definitions/schemaArray" },
+        "oneOf": { "$ref": "#/definitions/schemaArray" },
+        "not": { "$ref": "#" }
+    },
+    "dependencies": {
+        "exclusiveMaximum": [ "maximum" ],
+        "exclusiveMinimum": [ "minimum" ]
+    },
+    "default": {}
+}
diff --git a/node_modules/ajv/lib/refs/json-schema-draft-06.json b/node_modules/ajv/lib/refs/json-schema-draft-06.json
new file mode 100644
index 000000000..5656240b9
--- /dev/null
+++ b/node_modules/ajv/lib/refs/json-schema-draft-06.json
@@ -0,0 +1,154 @@
+{
+    "$schema": "http://json-schema.org/draft-06/schema#",
+    "$id": "http://json-schema.org/draft-06/schema#",
+    "title": "Core schema meta-schema",
+    "definitions": {
+        "schemaArray": {
+            "type": "array",
+            "minItems": 1,
+            "items": { "$ref": "#" }
+        },
+        "nonNegativeInteger": {
+            "type": "integer",
+            "minimum": 0
+        },
+        "nonNegativeIntegerDefault0": {
+            "allOf": [
+                { "$ref": "#/definitions/nonNegativeInteger" },
+                { "default": 0 }
+            ]
+        },
+        "simpleTypes": {
+            "enum": [
+                "array",
+                "boolean",
+                "integer",
+                "null",
+                "number",
+                "object",
+                "string"
+            ]
+        },
+        "stringArray": {
+            "type": "array",
+            "items": { "type": "string" },
+            "uniqueItems": true,
+            "default": []
+        }
+    },
+    "type": ["object", "boolean"],
+    "properties": {
+        "$id": {
+            "type": "string",
+            "format": "uri-reference"
+        },
+        "$schema": {
+            "type": "string",
+            "format": "uri"
+        },
+        "$ref": {
+            "type": "string",
+            "format": "uri-reference"
+        },
+        "title": {
+            "type": "string"
+        },
+        "description": {
+            "type": "string"
+        },
+        "default": {},
+        "examples": {
+            "type": "array",
+            "items": {}
+        },
+        "multipleOf": {
+            "type": "number",
+            "exclusiveMinimum": 0
+        },
+        "maximum": {
+            "type": "number"
+        },
+        "exclusiveMaximum": {
+            "type": "number"
+        },
+        "minimum": {
+            "type": "number"
+        },
+        "exclusiveMinimum": {
+            "type": "number"
+        },
+        "maxLength": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minLength": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "pattern": {
+            "type": "string",
+            "format": "regex"
+        },
+        "additionalItems": { "$ref": "#" },
+        "items": {
+            "anyOf": [
+                { "$ref": "#" },
+                { "$ref": "#/definitions/schemaArray" }
+            ],
+            "default": {}
+        },
+        "maxItems": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minItems": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "uniqueItems": {
+            "type": "boolean",
+            "default": false
+        },
+        "contains": { "$ref": "#" },
+        "maxProperties": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minProperties": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "required": { "$ref": "#/definitions/stringArray" },
+        "additionalProperties": { "$ref": "#" },
+        "definitions": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "properties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "patternProperties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "dependencies": {
+            "type": "object",
+            "additionalProperties": {
+                "anyOf": [
+                    { "$ref": "#" },
+                    { "$ref": "#/definitions/stringArray" }
+                ]
+            }
+        },
+        "propertyNames": { "$ref": "#" },
+        "const": {},
+        "enum": {
+            "type": "array",
+            "minItems": 1,
+            "uniqueItems": true
+        },
+        "type": {
+            "anyOf": [
+                { "$ref": "#/definitions/simpleTypes" },
+                {
+                    "type": "array",
+                    "items": { "$ref": "#/definitions/simpleTypes" },
+                    "minItems": 1,
+                    "uniqueItems": true
+                }
+            ]
+        },
+        "format": { "type": "string" },
+        "allOf": { "$ref": "#/definitions/schemaArray" },
+        "anyOf": { "$ref": "#/definitions/schemaArray" },
+        "oneOf": { "$ref": "#/definitions/schemaArray" },
+        "not": { "$ref": "#" }
+    },
+    "default": {}
+}
diff --git a/node_modules/ajv/lib/refs/json-schema-draft-07.json b/node_modules/ajv/lib/refs/json-schema-draft-07.json
new file mode 100644
index 000000000..5bee90ec1
--- /dev/null
+++ b/node_modules/ajv/lib/refs/json-schema-draft-07.json
@@ -0,0 +1,168 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "$id": "http://json-schema.org/draft-07/schema#",
+    "title": "Core schema meta-schema",
+    "definitions": {
+        "schemaArray": {
+            "type": "array",
+            "minItems": 1,
+            "items": { "$ref": "#" }
+        },
+        "nonNegativeInteger": {
+            "type": "integer",
+            "minimum": 0
+        },
+        "nonNegativeIntegerDefault0": {
+            "allOf": [
+                { "$ref": "#/definitions/nonNegativeInteger" },
+                { "default": 0 }
+            ]
+        },
+        "simpleTypes": {
+            "enum": [
+                "array",
+                "boolean",
+                "integer",
+                "null",
+                "number",
+                "object",
+                "string"
+            ]
+        },
+        "stringArray": {
+            "type": "array",
+            "items": { "type": "string" },
+            "uniqueItems": true,
+            "default": []
+        }
+    },
+    "type": ["object", "boolean"],
+    "properties": {
+        "$id": {
+            "type": "string",
+            "format": "uri-reference"
+        },
+        "$schema": {
+            "type": "string",
+            "format": "uri"
+        },
+        "$ref": {
+            "type": "string",
+            "format": "uri-reference"
+        },
+        "$comment": {
+            "type": "string"
+        },
+        "title": {
+            "type": "string"
+        },
+        "description": {
+            "type": "string"
+        },
+        "default": true,
+        "readOnly": {
+            "type": "boolean",
+            "default": false
+        },
+        "examples": {
+            "type": "array",
+            "items": true
+        },
+        "multipleOf": {
+            "type": "number",
+            "exclusiveMinimum": 0
+        },
+        "maximum": {
+            "type": "number"
+        },
+        "exclusiveMaximum": {
+            "type": "number"
+        },
+        "minimum": {
+            "type": "number"
+        },
+        "exclusiveMinimum": {
+            "type": "number"
+        },
+        "maxLength": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minLength": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "pattern": {
+            "type": "string",
+            "format": "regex"
+        },
+        "additionalItems": { "$ref": "#" },
+        "items": {
+            "anyOf": [
+                { "$ref": "#" },
+                { "$ref": "#/definitions/schemaArray" }
+            ],
+            "default": true
+        },
+        "maxItems": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minItems": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "uniqueItems": {
+            "type": "boolean",
+            "default": false
+        },
+        "contains": { "$ref": "#" },
+        "maxProperties": { "$ref": "#/definitions/nonNegativeInteger" },
+        "minProperties": { "$ref": "#/definitions/nonNegativeIntegerDefault0" },
+        "required": { "$ref": "#/definitions/stringArray" },
+        "additionalProperties": { "$ref": "#" },
+        "definitions": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "properties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "default": {}
+        },
+        "patternProperties": {
+            "type": "object",
+            "additionalProperties": { "$ref": "#" },
+            "propertyNames": { "format": "regex" },
+            "default": {}
+        },
+        "dependencies": {
+            "type": "object",
+            "additionalProperties": {
+                "anyOf": [
+                    { "$ref": "#" },
+                    { "$ref": "#/definitions/stringArray" }
+                ]
+            }
+        },
+        "propertyNames": { "$ref": "#" },
+        "const": true,
+        "enum": {
+            "type": "array",
+            "items": true,
+            "minItems": 1,
+            "uniqueItems": true
+        },
+        "type": {
+            "anyOf": [
+                { "$ref": "#/definitions/simpleTypes" },
+                {
+                    "type": "array",
+                    "items": { "$ref": "#/definitions/simpleTypes" },
+                    "minItems": 1,
+                    "uniqueItems": true
+                }
+            ]
+        },
+        "format": { "type": "string" },
+        "contentMediaType": { "type": "string" },
+        "contentEncoding": { "type": "string" },
+        "if": {"$ref": "#"},
+        "then": {"$ref": "#"},
+        "else": {"$ref": "#"},
+        "allOf": { "$ref": "#/definitions/schemaArray" },
+        "anyOf": { "$ref": "#/definitions/schemaArray" },
+        "oneOf": { "$ref": "#/definitions/schemaArray" },
+        "not": { "$ref": "#" }
+    },
+    "default": true
+}
diff --git a/node_modules/ajv/lib/refs/json-schema-secure.json b/node_modules/ajv/lib/refs/json-schema-secure.json
new file mode 100644
index 000000000..0f7aad479
--- /dev/null
+++ b/node_modules/ajv/lib/refs/json-schema-secure.json
@@ -0,0 +1,94 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "https://raw.githubusercontent.com/ajv-validator/ajv/master/lib/refs/json-schema-secure.json#",
+  "title": "Meta-schema for the security assessment of JSON Schemas",
+  "description": "If a JSON Schema fails validation against this meta-schema, it may be unsafe to validate untrusted data",
+  "definitions": {
+    "schemaArray": {
+      "type": "array",
+      "minItems": 1,
+      "items": {"$ref": "#"}
+    }
+  },
+  "dependencies": {
+    "patternProperties": {
+      "description": "prevent slow validation of large property names",
+      "required": ["propertyNames"],
+      "properties": {
+        "propertyNames": {
+          "required": ["maxLength"]
+        }
+      }
+    },
+    "uniqueItems": {
+      "description": "prevent slow validation of large non-scalar arrays",
+      "if": {
+        "properties": {
+          "uniqueItems": {"const": true},
+          "items": {
+            "properties": {
+              "type": {
+                "anyOf": [
+                  {
+                    "enum": ["object", "array"]
+                  },
+                  {
+                    "type": "array",
+                    "contains": {"enum": ["object", "array"]}
+                  }
+                ]
+              }
+            }
+          }
+        }
+      },
+      "then": {
+        "required": ["maxItems"]
+      }
+    },
+    "pattern": {
+      "description": "prevent slow pattern matching of large strings",
+      "required": ["maxLength"]
+    },
+    "format": {
+      "description": "prevent slow format validation of large strings",
+      "required": ["maxLength"]
+    }
+  },
+  "properties": {
+    "additionalItems": {"$ref": "#"},
+    "additionalProperties": {"$ref": "#"},
+    "dependencies": {
+      "additionalProperties": {
+        "anyOf": [
+          {"type": "array"},
+          {"$ref": "#"}
+        ]
+      }
+    },
+    "items": {
+      "anyOf": [
+        {"$ref": "#"},
+        {"$ref": "#/definitions/schemaArray"}
+      ]
+    },
+    "definitions": {
+      "additionalProperties": {"$ref": "#"}
+    },
+    "patternProperties": {
+      "additionalProperties": {"$ref": "#"}
+    },
+    "properties": {
+      "additionalProperties": {"$ref": "#"}
+    },
+    "if": {"$ref": "#"},
+    "then": {"$ref": "#"},
+    "else": {"$ref": "#"},
+    "allOf": {"$ref": "#/definitions/schemaArray"},
+    "anyOf": {"$ref": "#/definitions/schemaArray"},
+    "oneOf": {"$ref": "#/definitions/schemaArray"},
+    "not": {"$ref": "#"},
+    "contains": {"$ref": "#"},
+    "propertyNames": {"$ref": "#"}
+  }
+}
diff --git a/node_modules/ajv/package.json b/node_modules/ajv/package.json
new file mode 100644
index 000000000..559a933c8
--- /dev/null
+++ b/node_modules/ajv/package.json
@@ -0,0 +1,106 @@
+{
+  "name": "ajv",
+  "version": "6.12.6",
+  "description": "Another JSON Schema Validator",
+  "main": "lib/ajv.js",
+  "typings": "lib/ajv.d.ts",
+  "files": [
+    "lib/",
+    "dist/",
+    "scripts/",
+    "LICENSE",
+    ".tonic_example.js"
+  ],
+  "scripts": {
+    "eslint": "eslint lib/{compile/,}*.js spec/{**/,}*.js scripts --ignore-pattern spec/JSON-Schema-Test-Suite",
+    "jshint": "jshint lib/{compile/,}*.js",
+    "lint": "npm run jshint && npm run eslint",
+    "test-spec": "mocha spec/{**/,}*.spec.js -R spec",
+    "test-fast": "AJV_FAST_TEST=true npm run test-spec",
+    "test-debug": "npm run test-spec -- --inspect-brk",
+    "test-cov": "nyc npm run test-spec",
+    "test-ts": "tsc --target ES5 --noImplicitAny --noEmit spec/typescript/index.ts",
+    "bundle": "del-cli dist && node ./scripts/bundle.js . Ajv pure_getters",
+    "bundle-beautify": "node ./scripts/bundle.js js-beautify",
+    "build": "del-cli lib/dotjs/*.js \"!lib/dotjs/index.js\" && node scripts/compile-dots.js",
+    "test-karma": "karma start",
+    "test-browser": "del-cli .browser && npm run bundle && scripts/prepare-tests && npm run test-karma",
+    "test-all": "npm run test-cov && if-node-version 10 npm run test-browser",
+    "test": "npm run lint && npm run build && npm run test-all",
+    "prepublish": "npm run build && npm run bundle",
+    "watch": "watch \"npm run build\" ./lib/dot"
+  },
+  "nyc": {
+    "exclude": [
+      "**/spec/**",
+      "node_modules"
+    ],
+    "reporter": [
+      "lcov",
+      "text-summary"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/ajv-validator/ajv.git"
+  },
+  "keywords": [
+    "JSON",
+    "schema",
+    "validator",
+    "validation",
+    "jsonschema",
+    "json-schema",
+    "json-schema-validator",
+    "json-schema-validation"
+  ],
+  "author": "Evgeny Poberezkin",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/ajv-validator/ajv/issues"
+  },
+  "homepage": "https://github.com/ajv-validator/ajv",
+  "tonicExampleFilename": ".tonic_example.js",
+  "dependencies": {
+    "fast-deep-equal": "^3.1.1",
+    "fast-json-stable-stringify": "^2.0.0",
+    "json-schema-traverse": "^0.4.1",
+    "uri-js": "^4.2.2"
+  },
+  "devDependencies": {
+    "ajv-async": "^1.0.0",
+    "bluebird": "^3.5.3",
+    "brfs": "^2.0.0",
+    "browserify": "^16.2.0",
+    "chai": "^4.0.1",
+    "coveralls": "^3.0.1",
+    "del-cli": "^3.0.0",
+    "dot": "^1.0.3",
+    "eslint": "^7.3.1",
+    "gh-pages-generator": "^0.2.3",
+    "glob": "^7.0.0",
+    "if-node-version": "^1.0.0",
+    "js-beautify": "^1.7.3",
+    "jshint": "^2.10.2",
+    "json-schema-test": "^2.0.0",
+    "karma": "^5.0.0",
+    "karma-chrome-launcher": "^3.0.0",
+    "karma-mocha": "^2.0.0",
+    "karma-sauce-launcher": "^4.1.3",
+    "mocha": "^8.0.1",
+    "nyc": "^15.0.0",
+    "pre-commit": "^1.1.1",
+    "require-globify": "^1.3.0",
+    "typescript": "^3.9.5",
+    "uglify-js": "^3.6.9",
+    "watch": "^1.0.0"
+  },
+  "collective": {
+    "type": "opencollective",
+    "url": "https://opencollective.com/ajv"
+  },
+  "funding": {
+    "type": "github",
+    "url": "https://github.com/sponsors/epoberezkin"
+  }
+}
diff --git a/node_modules/ajv/scripts/.eslintrc.yml b/node_modules/ajv/scripts/.eslintrc.yml
new file mode 100644
index 000000000..493d7d312
--- /dev/null
+++ b/node_modules/ajv/scripts/.eslintrc.yml
@@ -0,0 +1,3 @@
+rules:
+  no-console: 0
+  no-empty: [2, allowEmptyCatch: true]
diff --git a/node_modules/ajv/scripts/bundle.js b/node_modules/ajv/scripts/bundle.js
new file mode 100644
index 000000000..e381a762d
--- /dev/null
+++ b/node_modules/ajv/scripts/bundle.js
@@ -0,0 +1,61 @@
+'use strict';
+
+var fs = require('fs')
+  , path = require('path')
+  , browserify = require('browserify')
+  , uglify = require('uglify-js');
+
+var pkg = process.argv[2]
+  , standalone = process.argv[3]
+  , compress = process.argv[4];
+
+var packageDir = path.join(__dirname, '..');
+if (pkg != '.') packageDir = path.join(packageDir, 'node_modules', pkg);
+
+var json = require(path.join(packageDir, 'package.json'));
+
+var distDir = path.join(__dirname, '..', 'dist');
+if (!fs.existsSync(distDir)) fs.mkdirSync(distDir);
+
+var bOpts = {};
+if (standalone) bOpts.standalone = standalone;
+
+browserify(bOpts)
+.require(path.join(packageDir, json.main), {expose: json.name})
+.bundle(function (err, buf) {
+  if (err) {
+    console.error('browserify error:', err);
+    process.exit(1);
+  }
+
+  var outputFile = path.join(distDir, json.name);
+  var uglifyOpts = {
+    warnings: true,
+    compress: {},
+    output: {
+      preamble: '/* ' + json.name + ' ' + json.version + ': ' + json.description + ' */'
+    }
+  };
+  if (compress) {
+    var compressOpts = compress.split(',');
+    for (var i=0, il = compressOpts.length; i<il; ++i) {
+      var pair = compressOpts[i].split('=');
+      uglifyOpts.compress[pair[0]] = pair.length < 1 || pair[1] != 'false';
+    }
+  }
+  if (standalone) {
+    uglifyOpts.sourceMap = {
+      filename: json.name + '.min.js',
+      url: json.name + '.min.js.map'
+    };
+  }
+
+  var result = uglify.minify(buf.toString(), uglifyOpts);
+  fs.writeFileSync(outputFile + '.min.js', result.code);
+  if (result.map) fs.writeFileSync(outputFile + '.min.js.map', result.map);
+  if (standalone) fs.writeFileSync(outputFile + '.bundle.js', buf);
+  if (result.warnings) {
+    for (var j=0, jl = result.warnings.length; j<jl; ++j)
+      console.warn('UglifyJS warning:', result.warnings[j]);
+  }
+});
diff --git a/node_modules/ajv/scripts/compile-dots.js b/node_modules/ajv/scripts/compile-dots.js
new file mode 100644
index 000000000..5a21a7ddd
--- /dev/null
+++ b/node_modules/ajv/scripts/compile-dots.js
@@ -0,0 +1,73 @@
+//compile doT templates to js functions
+'use strict';
+
+var glob = require('glob')
+  , fs = require('fs')
+  , path = require('path')
+  , doT = require('dot')
+  , beautify = require('js-beautify').js_beautify;
+
+var defsRootPath = process.argv[2] || path.join(__dirname, '../lib');
+
+var defs = {};
+var defFiles = glob.sync('./dot/**/*.def', { cwd: defsRootPath });
+defFiles.forEach(function (f) {
+  var name = path.basename(f, '.def');
+  defs[name] = fs.readFileSync(path.join(defsRootPath, f));
+});
+
+var filesRootPath = process.argv[3] || path.join(__dirname, '../lib');
+var files = glob.sync('./dot/**/*.jst', { cwd: filesRootPath });
+
+var dotjsPath = path.join(filesRootPath, './dotjs');
+try { fs.mkdirSync(dotjsPath); } catch(e) {}
+
+console.log('\n\nCompiling:');
+
+var FUNCTION_NAME = /function\s+anonymous\s*\(it[^)]*\)\s*{/;
+var OUT_EMPTY_STRING = /out\s*\+=\s*'\s*';/g;
+var ISTANBUL = /'(istanbul[^']+)';/g;
+var ERROR_KEYWORD = /\$errorKeyword/g;
+var ERROR_KEYWORD_OR = /\$errorKeyword\s+\|\|/g;
+var VARS = [
+  '$errs', '$valid', '$lvl', '$data', '$dataLvl',
+  '$errorKeyword', '$closingBraces', '$schemaPath',
+  '$validate'
+];
+
+files.forEach(function (f) {
+  var keyword = path.basename(f, '.jst');
+  var targetPath = path.join(dotjsPath, keyword + '.js');
+  var template = fs.readFileSync(path.join(filesRootPath, f));
+  var code = doT.compile(template, defs);
+  code = code.toString()
+             .replace(OUT_EMPTY_STRING, '')
+             .replace(FUNCTION_NAME, 'function generate_' + keyword + '(it, $keyword, $ruleType) {')
+             .replace(ISTANBUL, '/* $1 */');
+  removeAlwaysFalsyInOr();
+  VARS.forEach(removeUnusedVar);
+  code = "'use strict';\nmodule.exports = " + code;
+  code = beautify(code, { indent_size: 2 }) + '\n';
+  fs.writeFileSync(targetPath, code);
+  console.log('compiled', keyword);
+
+  function removeUnusedVar(v) {
+    v = v.replace(/\$/g, '\\$$');
+    var regexp = new RegExp(v + '[^A-Za-z0-9_$]', 'g');
+    var count = occurrences(regexp);
+    if (count == 1) {
+      regexp = new RegExp('var\\s+' + v + '\\s*=[^;]+;|var\\s+' + v + ';');
+      code = code.replace(regexp, '');
+    }
+  }
+
+  function removeAlwaysFalsyInOr() {
+    var countUsed = occurrences(ERROR_KEYWORD);
+    var countOr = occurrences(ERROR_KEYWORD_OR);
+    if (countUsed == countOr + 1) code = code.replace(ERROR_KEYWORD_OR, '');
+  }
+
+  function occurrences(regexp) {
+    return (code.match(regexp) || []).length;
+  }
+});
diff --git a/node_modules/ajv/scripts/info b/node_modules/ajv/scripts/info
new file mode 100644
index 000000000..77269ab5f
--- /dev/null
+++ b/node_modules/ajv/scripts/info
@@ -0,0 +1,10 @@
+#!/usr/bin/env node
+
+'use strict';
+
+var fs = require('fs');
+var name = process.argv[2] || '.';
+var property = process.argv[3] || 'version';
+if (name != '.') name = 'node_modules/' + name;
+var json = JSON.parse(fs.readFileSync(name + '/package.json', 'utf8'));
+console.log(json[property]);
diff --git a/node_modules/ajv/scripts/prepare-tests b/node_modules/ajv/scripts/prepare-tests
new file mode 100644
index 000000000..684703318
--- /dev/null
+++ b/node_modules/ajv/scripts/prepare-tests
@@ -0,0 +1,12 @@
+#!/usr/bin/env sh
+
+set -e
+
+mkdir -p .browser
+
+echo
+echo Preparing browser tests:
+
+find spec -type f -name '*.spec.js' | \
+xargs -I {} sh -c \
+'export f="{}"; echo $f; browserify $f -t require-globify -t brfs -x ajv -u buffer -o $(echo $f | sed -e "s/spec/.browser/");'
diff --git a/node_modules/ajv/scripts/publish-built-version b/node_modules/ajv/scripts/publish-built-version
new file mode 100644
index 000000000..1b5712372
--- /dev/null
+++ b/node_modules/ajv/scripts/publish-built-version
@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [[ -n $TRAVIS_TAG && $TRAVIS_JOB_NUMBER =~ ".3" ]]; then
+  echo "About to publish $TRAVIS_TAG to ajv-dist..."
+
+  git config user.email "$GIT_USER_EMAIL"
+  git config user.name "$GIT_USER_NAME"
+
+  git clone https://${GITHUB_TOKEN}@github.com/ajv-validator/ajv-dist.git ../ajv-dist
+
+  rm -rf ../ajv-dist/dist
+  mkdir ../ajv-dist/dist
+  cp ./dist/ajv.* ../ajv-dist/dist
+  cat bower.json | sed 's/"name": "ajv"/"name": "ajv-dist"/' > ../ajv-dist/bower.json
+  cd ../ajv-dist
+
+  if [[ `git status --porcelain` ]]; then
+    echo "Changes detected. Updating master branch..."
+    git add -A
+    git commit -m "updated by travis build #$TRAVIS_BUILD_NUMBER"
+    git push --quiet origin master > /dev/null 2>&1
+  fi
+
+  echo "Publishing tag..."
+
+  git tag $TRAVIS_TAG
+  git push --tags > /dev/null 2>&1
+
+  echo "Done"
+fi
diff --git a/node_modules/ajv/scripts/travis-gh-pages b/node_modules/ajv/scripts/travis-gh-pages
new file mode 100644
index 000000000..b3d4f3d0f
--- /dev/null
+++ b/node_modules/ajv/scripts/travis-gh-pages
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [[ "$TRAVIS_BRANCH" == "master" && "$TRAVIS_PULL_REQUEST" == "false" && $TRAVIS_JOB_NUMBER =~ ".3" ]]; then
+  git diff --name-only $TRAVIS_COMMIT_RANGE | grep -qE '\.md$|^LICENSE$|travis-gh-pages$' && {
+    rm -rf ../gh-pages
+    git clone -b gh-pages --single-branch https://${GITHUB_TOKEN}@github.com/ajv-validator/ajv.git ../gh-pages
+    mkdir -p ../gh-pages/_source
+    cp *.md ../gh-pages/_source
+    cp LICENSE ../gh-pages/_source
+    currentDir=$(pwd)
+    cd ../gh-pages
+    $currentDir/node_modules/.bin/gh-pages-generator
+    # remove logo from README
+    sed -i -E "s/<img[^>]+ajv_logo[^>]+>//" index.md
+    git config user.email "$GIT_USER_EMAIL"
+    git config user.name "$GIT_USER_NAME"
+    git add .
+    git commit -am "updated by travis build #$TRAVIS_BUILD_NUMBER"
+    git push --quiet origin gh-pages > /dev/null 2>&1
+  }
+fi
diff --git a/node_modules/array-flatten/LICENSE b/node_modules/array-flatten/LICENSE
new file mode 100644
index 000000000..983fbe8ae
--- /dev/null
+++ b/node_modules/array-flatten/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Blake Embrey (hello@blakeembrey.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/array-flatten/README.md b/node_modules/array-flatten/README.md
new file mode 100644
index 000000000..91fa5b637
--- /dev/null
+++ b/node_modules/array-flatten/README.md
@@ -0,0 +1,43 @@
+# Array Flatten
+
+[![NPM version][npm-image]][npm-url]
+[![NPM downloads][downloads-image]][downloads-url]
+[![Build status][travis-image]][travis-url]
+[![Test coverage][coveralls-image]][coveralls-url]
+
+> Flatten an array of nested arrays into a single flat array. Accepts an optional depth.
+
+## Installation
+
+```
+npm install array-flatten --save
+```
+
+## Usage
+
+```javascript
+var flatten = require('array-flatten')
+
+flatten([1, [2, [3, [4, [5], 6], 7], 8], 9])
+//=> [1, 2, 3, 4, 5, 6, 7, 8, 9]
+
+flatten([1, [2, [3, [4, [5], 6], 7], 8], 9], 2)
+//=> [1, 2, 3, [4, [5], 6], 7, 8, 9]
+
+(function () {
+  flatten(arguments) //=> [1, 2, 3]
+})(1, [2, 3])
+```
+
+## License
+
+MIT
+
+[npm-image]: https://img.shields.io/npm/v/array-flatten.svg?style=flat
+[npm-url]: https://npmjs.org/package/array-flatten
+[downloads-image]: https://img.shields.io/npm/dm/array-flatten.svg?style=flat
+[downloads-url]: https://npmjs.org/package/array-flatten
+[travis-image]: https://img.shields.io/travis/blakeembrey/array-flatten.svg?style=flat
+[travis-url]: https://travis-ci.org/blakeembrey/array-flatten
+[coveralls-image]: https://img.shields.io/coveralls/blakeembrey/array-flatten.svg?style=flat
+[coveralls-url]: https://coveralls.io/r/blakeembrey/array-flatten?branch=master
diff --git a/node_modules/array-flatten/array-flatten.js b/node_modules/array-flatten/array-flatten.js
new file mode 100644
index 000000000..089117b32
--- /dev/null
+++ b/node_modules/array-flatten/array-flatten.js
@@ -0,0 +1,64 @@
+'use strict'
+
+/**
+ * Expose `arrayFlatten`.
+ */
+module.exports = arrayFlatten
+
+/**
+ * Recursive flatten function with depth.
+ *
+ * @param  {Array}  array
+ * @param  {Array}  result
+ * @param  {Number} depth
+ * @return {Array}
+ */
+function flattenWithDepth (array, result, depth) {
+  for (var i = 0; i < array.length; i++) {
+    var value = array[i]
+
+    if (depth > 0 && Array.isArray(value)) {
+      flattenWithDepth(value, result, depth - 1)
+    } else {
+      result.push(value)
+    }
+  }
+
+  return result
+}
+
+/**
+ * Recursive flatten function. Omitting depth is slightly faster.
+ *
+ * @param  {Array} array
+ * @param  {Array} result
+ * @return {Array}
+ */
+function flattenForever (array, result) {
+  for (var i = 0; i < array.length; i++) {
+    var value = array[i]
+
+    if (Array.isArray(value)) {
+      flattenForever(value, result)
+    } else {
+      result.push(value)
+    }
+  }
+
+  return result
+}
+
+/**
+ * Flatten an array, with the ability to define a depth.
+ *
+ * @param  {Array}  array
+ * @param  {Number} depth
+ * @return {Array}
+ */
+function arrayFlatten (array, depth) {
+  if (depth == null) {
+    return flattenForever(array, [])
+  }
+
+  return flattenWithDepth(array, [], depth)
+}
diff --git a/node_modules/array-flatten/package.json b/node_modules/array-flatten/package.json
new file mode 100644
index 000000000..1a24e2a1a
--- /dev/null
+++ b/node_modules/array-flatten/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "array-flatten",
+  "version": "1.1.1",
+  "description": "Flatten an array of nested arrays into a single flat array",
+  "main": "array-flatten.js",
+  "files": [
+    "array-flatten.js",
+    "LICENSE"
+  ],
+  "scripts": {
+    "test": "istanbul cover _mocha -- -R spec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/blakeembrey/array-flatten.git"
+  },
+  "keywords": [
+    "array",
+    "flatten",
+    "arguments",
+    "depth"
+  ],
+  "author": {
+    "name": "Blake Embrey",
+    "email": "hello@blakeembrey.com",
+    "url": "http://blakeembrey.me"
+  },
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/blakeembrey/array-flatten/issues"
+  },
+  "homepage": "https://github.com/blakeembrey/array-flatten",
+  "devDependencies": {
+    "istanbul": "^0.3.13",
+    "mocha": "^2.2.4",
+    "pre-commit": "^1.0.7",
+    "standard": "^3.7.3"
+  }
+}
diff --git a/node_modules/asn1/Jenkinsfile b/node_modules/asn1/Jenkinsfile
new file mode 100644
index 000000000..d1b459375
--- /dev/null
+++ b/node_modules/asn1/Jenkinsfile
@@ -0,0 +1,65 @@
+@Library('jenkins-joylib@v1.0.8') _
+
+pipeline {
+
+    agent none
+
+    options {
+        buildDiscarder(logRotator(numToKeepStr: '45'))
+        timestamps()
+    }
+
+    stages {
+        stage('top') {
+            parallel {
+                stage('v4-zone') {
+                    agent {
+                        label joyCommonLabels(image_ver: '15.4.1')
+                    }
+                    tools {
+                        nodejs 'sdcnode-v4-zone'
+                    }
+                    stages {
+                        stage('check') {
+                            steps{
+                                sh('make check')
+                            }
+                        }
+                        stage('test') {
+                            steps{
+                                sh('make test')
+                            }
+                        }
+                    }
+                }
+                
+                stage('v6-zone64') {
+                    agent {
+                        label joyCommonLabels(image_ver: '18.4.0')
+                    }
+                    tools {
+                        nodejs 'sdcnode-v6-zone64'
+                    }
+                    stages {
+                        stage('check') {
+                            steps{
+                                sh('make check')
+                            }
+                        }
+                        stage('test') {
+                            steps{
+                                sh('make test')
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    post {
+        always {
+            joySlackNotifications()
+        }
+    }
+}
diff --git a/node_modules/asn1/LICENSE b/node_modules/asn1/LICENSE
new file mode 100644
index 000000000..9b5dcdb7f
--- /dev/null
+++ b/node_modules/asn1/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2011 Mark Cavage, All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE
diff --git a/node_modules/asn1/README.md b/node_modules/asn1/README.md
new file mode 100644
index 000000000..2208210a3
--- /dev/null
+++ b/node_modules/asn1/README.md
@@ -0,0 +1,50 @@
+node-asn1 is a library for encoding and decoding ASN.1 datatypes in pure JS.
+Currently BER encoding is supported; at some point I'll likely have to do DER.
+
+## Usage
+
+Mostly, if you're *actually* needing to read and write ASN.1, you probably don't
+need this readme to explain what and why.  If you have no idea what ASN.1 is,
+see this: ftp://ftp.rsa.com/pub/pkcs/ascii/layman.asc
+
+The source is pretty much self-explanatory, and has read/write methods for the
+common types out there.
+
+### Decoding
+
+The following reads an ASN.1 sequence with a boolean.
+
+    var Ber = require('asn1').Ber;
+
+    var reader = new Ber.Reader(Buffer.from([0x30, 0x03, 0x01, 0x01, 0xff]));
+
+    reader.readSequence();
+    console.log('Sequence len: ' + reader.length);
+    if (reader.peek() === Ber.Boolean)
+      console.log(reader.readBoolean());
+
+### Encoding
+
+The following generates the same payload as above.
+
+    var Ber = require('asn1').Ber;
+
+    var writer = new Ber.Writer();
+
+    writer.startSequence();
+    writer.writeBoolean(true);
+    writer.endSequence();
+
+    console.log(writer.buffer);
+
+## Installation
+
+    npm install asn1
+
+## License
+
+MIT.
+
+## Bugs
+
+See <https://github.com/joyent/node-asn1/issues>.
diff --git a/node_modules/asn1/lib/ber/errors.js b/node_modules/asn1/lib/ber/errors.js
new file mode 100644
index 000000000..4557b8aea
--- /dev/null
+++ b/node_modules/asn1/lib/ber/errors.js
@@ -0,0 +1,13 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+
+module.exports = {
+
+  newInvalidAsn1Error: function (msg) {
+    var e = new Error();
+    e.name = 'InvalidAsn1Error';
+    e.message = msg || '';
+    return e;
+  }
+
+};
diff --git a/node_modules/asn1/lib/ber/index.js b/node_modules/asn1/lib/ber/index.js
new file mode 100644
index 000000000..387d1326f
--- /dev/null
+++ b/node_modules/asn1/lib/ber/index.js
@@ -0,0 +1,27 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+var errors = require('./errors');
+var types = require('./types');
+
+var Reader = require('./reader');
+var Writer = require('./writer');
+
+
+// --- Exports
+
+module.exports = {
+
+  Reader: Reader,
+
+  Writer: Writer
+
+};
+
+for (var t in types) {
+  if (types.hasOwnProperty(t))
+    module.exports[t] = types[t];
+}
+for (var e in errors) {
+  if (errors.hasOwnProperty(e))
+    module.exports[e] = errors[e];
+}
diff --git a/node_modules/asn1/lib/ber/reader.js b/node_modules/asn1/lib/ber/reader.js
new file mode 100644
index 000000000..8a7e4ca01
--- /dev/null
+++ b/node_modules/asn1/lib/ber/reader.js
@@ -0,0 +1,262 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+var assert = require('assert');
+var Buffer = require('safer-buffer').Buffer;
+
+var ASN1 = require('./types');
+var errors = require('./errors');
+
+
+// --- Globals
+
+var newInvalidAsn1Error = errors.newInvalidAsn1Error;
+
+
+
+// --- API
+
+function Reader(data) {
+  if (!data || !Buffer.isBuffer(data))
+    throw new TypeError('data must be a node Buffer');
+
+  this._buf = data;
+  this._size = data.length;
+
+  // These hold the "current" state
+  this._len = 0;
+  this._offset = 0;
+}
+
+Object.defineProperty(Reader.prototype, 'length', {
+  enumerable: true,
+  get: function () { return (this._len); }
+});
+
+Object.defineProperty(Reader.prototype, 'offset', {
+  enumerable: true,
+  get: function () { return (this._offset); }
+});
+
+Object.defineProperty(Reader.prototype, 'remain', {
+  get: function () { return (this._size - this._offset); }
+});
+
+Object.defineProperty(Reader.prototype, 'buffer', {
+  get: function () { return (this._buf.slice(this._offset)); }
+});
+
+
+/**
+ * Reads a single byte and advances offset; you can pass in `true` to make this
+ * a "peek" operation (i.e., get the byte, but don't advance the offset).
+ *
+ * @param {Boolean} peek true means don't move offset.
+ * @return {Number} the next byte, null if not enough data.
+ */
+Reader.prototype.readByte = function (peek) {
+  if (this._size - this._offset < 1)
+    return null;
+
+  var b = this._buf[this._offset] & 0xff;
+
+  if (!peek)
+    this._offset += 1;
+
+  return b;
+};
+
+
+Reader.prototype.peek = function () {
+  return this.readByte(true);
+};
+
+
+/**
+ * Reads a (potentially) variable length off the BER buffer.  This call is
+ * not really meant to be called directly, as callers have to manipulate
+ * the internal buffer afterwards.
+ *
+ * As a result of this call, you can call `Reader.length`, until the
+ * next thing called that does a readLength.
+ *
+ * @return {Number} the amount of offset to advance the buffer.
+ * @throws {InvalidAsn1Error} on bad ASN.1
+ */
+Reader.prototype.readLength = function (offset) {
+  if (offset === undefined)
+    offset = this._offset;
+
+  if (offset >= this._size)
+    return null;
+
+  var lenB = this._buf[offset++] & 0xff;
+  if (lenB === null)
+    return null;
+
+  if ((lenB & 0x80) === 0x80) {
+    lenB &= 0x7f;
+
+    if (lenB === 0)
+      throw newInvalidAsn1Error('Indefinite length not supported');
+
+    if (lenB > 4)
+      throw newInvalidAsn1Error('encoding too long');
+
+    if (this._size - offset < lenB)
+      return null;
+
+    this._len = 0;
+    for (var i = 0; i < lenB; i++)
+      this._len = (this._len << 8) + (this._buf[offset++] & 0xff);
+
+  } else {
+    // Wasn't a variable length
+    this._len = lenB;
+  }
+
+  return offset;
+};
+
+
+/**
+ * Parses the next sequence in this BER buffer.
+ *
+ * To get the length of the sequence, call `Reader.length`.
+ *
+ * @return {Number} the sequence's tag.
+ */
+Reader.prototype.readSequence = function (tag) {
+  var seq = this.peek();
+  if (seq === null)
+    return null;
+  if (tag !== undefined && tag !== seq)
+    throw newInvalidAsn1Error('Expected 0x' + tag.toString(16) +
+                              ': got 0x' + seq.toString(16));
+
+  var o = this.readLength(this._offset + 1); // stored in `length`
+  if (o === null)
+    return null;
+
+  this._offset = o;
+  return seq;
+};
+
+
+Reader.prototype.readInt = function () {
+  return this._readTag(ASN1.Integer);
+};
+
+
+Reader.prototype.readBoolean = function () {
+  return (this._readTag(ASN1.Boolean) === 0 ? false : true);
+};
+
+
+Reader.prototype.readEnumeration = function () {
+  return this._readTag(ASN1.Enumeration);
+};
+
+
+Reader.prototype.readString = function (tag, retbuf) {
+  if (!tag)
+    tag = ASN1.OctetString;
+
+  var b = this.peek();
+  if (b === null)
+    return null;
+
+  if (b !== tag)
+    throw newInvalidAsn1Error('Expected 0x' + tag.toString(16) +
+                              ': got 0x' + b.toString(16));
+
+  var o = this.readLength(this._offset + 1); // stored in `length`
+
+  if (o === null)
+    return null;
+
+  if (this.length > this._size - o)
+    return null;
+
+  this._offset = o;
+
+  if (this.length === 0)
+    return retbuf ? Buffer.alloc(0) : '';
+
+  var str = this._buf.slice(this._offset, this._offset + this.length);
+  this._offset += this.length;
+
+  return retbuf ? str : str.toString('utf8');
+};
+
+Reader.prototype.readOID = function (tag) {
+  if (!tag)
+    tag = ASN1.OID;
+
+  var b = this.readString(tag, true);
+  if (b === null)
+    return null;
+
+  var values = [];
+  var value = 0;
+
+  for (var i = 0; i < b.length; i++) {
+    var byte = b[i] & 0xff;
+
+    value <<= 7;
+    value += byte & 0x7f;
+    if ((byte & 0x80) === 0) {
+      values.push(value);
+      value = 0;
+    }
+  }
+
+  value = values.shift();
+  values.unshift(value % 40);
+  values.unshift((value / 40) >> 0);
+
+  return values.join('.');
+};
+
+
+Reader.prototype._readTag = function (tag) {
+  assert.ok(tag !== undefined);
+
+  var b = this.peek();
+
+  if (b === null)
+    return null;
+
+  if (b !== tag)
+    throw newInvalidAsn1Error('Expected 0x' + tag.toString(16) +
+                              ': got 0x' + b.toString(16));
+
+  var o = this.readLength(this._offset + 1); // stored in `length`
+  if (o === null)
+    return null;
+
+  if (this.length > 4)
+    throw newInvalidAsn1Error('Integer too long: ' + this.length);
+
+  if (this.length > this._size - o)
+    return null;
+  this._offset = o;
+
+  var fb = this._buf[this._offset];
+  var value = 0;
+
+  for (var i = 0; i < this.length; i++) {
+    value <<= 8;
+    value |= (this._buf[this._offset++] & 0xff);
+  }
+
+  if ((fb & 0x80) === 0x80 && i !== 4)
+    value -= (1 << (i * 8));
+
+  return value >> 0;
+};
+
+
+
+// --- Exported API
+
+module.exports = Reader;
diff --git a/node_modules/asn1/lib/ber/types.js b/node_modules/asn1/lib/ber/types.js
new file mode 100644
index 000000000..8aea00013
--- /dev/null
+++ b/node_modules/asn1/lib/ber/types.js
@@ -0,0 +1,36 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+
+module.exports = {
+  EOC: 0,
+  Boolean: 1,
+  Integer: 2,
+  BitString: 3,
+  OctetString: 4,
+  Null: 5,
+  OID: 6,
+  ObjectDescriptor: 7,
+  External: 8,
+  Real: 9, // float
+  Enumeration: 10,
+  PDV: 11,
+  Utf8String: 12,
+  RelativeOID: 13,
+  Sequence: 16,
+  Set: 17,
+  NumericString: 18,
+  PrintableString: 19,
+  T61String: 20,
+  VideotexString: 21,
+  IA5String: 22,
+  UTCTime: 23,
+  GeneralizedTime: 24,
+  GraphicString: 25,
+  VisibleString: 26,
+  GeneralString: 28,
+  UniversalString: 29,
+  CharacterString: 30,
+  BMPString: 31,
+  Constructor: 32,
+  Context: 128
+};
diff --git a/node_modules/asn1/lib/ber/writer.js b/node_modules/asn1/lib/ber/writer.js
new file mode 100644
index 000000000..3515acf79
--- /dev/null
+++ b/node_modules/asn1/lib/ber/writer.js
@@ -0,0 +1,317 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+var assert = require('assert');
+var Buffer = require('safer-buffer').Buffer;
+var ASN1 = require('./types');
+var errors = require('./errors');
+
+
+// --- Globals
+
+var newInvalidAsn1Error = errors.newInvalidAsn1Error;
+
+var DEFAULT_OPTS = {
+  size: 1024,
+  growthFactor: 8
+};
+
+
+// --- Helpers
+
+function merge(from, to) {
+  assert.ok(from);
+  assert.equal(typeof (from), 'object');
+  assert.ok(to);
+  assert.equal(typeof (to), 'object');
+
+  var keys = Object.getOwnPropertyNames(from);
+  keys.forEach(function (key) {
+    if (to[key])
+      return;
+
+    var value = Object.getOwnPropertyDescriptor(from, key);
+    Object.defineProperty(to, key, value);
+  });
+
+  return to;
+}
+
+
+
+// --- API
+
+function Writer(options) {
+  options = merge(DEFAULT_OPTS, options || {});
+
+  this._buf = Buffer.alloc(options.size || 1024);
+  this._size = this._buf.length;
+  this._offset = 0;
+  this._options = options;
+
+  // A list of offsets in the buffer where we need to insert
+  // sequence tag/len pairs.
+  this._seq = [];
+}
+
+Object.defineProperty(Writer.prototype, 'buffer', {
+  get: function () {
+    if (this._seq.length)
+      throw newInvalidAsn1Error(this._seq.length + ' unended sequence(s)');
+
+    return (this._buf.slice(0, this._offset));
+  }
+});
+
+Writer.prototype.writeByte = function (b) {
+  if (typeof (b) !== 'number')
+    throw new TypeError('argument must be a Number');
+
+  this._ensure(1);
+  this._buf[this._offset++] = b;
+};
+
+
+Writer.prototype.writeInt = function (i, tag) {
+  if (typeof (i) !== 'number')
+    throw new TypeError('argument must be a Number');
+  if (typeof (tag) !== 'number')
+    tag = ASN1.Integer;
+
+  var sz = 4;
+
+  while ((((i & 0xff800000) === 0) || ((i & 0xff800000) === 0xff800000 >> 0)) &&
+        (sz > 1)) {
+    sz--;
+    i <<= 8;
+  }
+
+  if (sz > 4)
+    throw newInvalidAsn1Error('BER ints cannot be > 0xffffffff');
+
+  this._ensure(2 + sz);
+  this._buf[this._offset++] = tag;
+  this._buf[this._offset++] = sz;
+
+  while (sz-- > 0) {
+    this._buf[this._offset++] = ((i & 0xff000000) >>> 24);
+    i <<= 8;
+  }
+
+};
+
+
+Writer.prototype.writeNull = function () {
+  this.writeByte(ASN1.Null);
+  this.writeByte(0x00);
+};
+
+
+Writer.prototype.writeEnumeration = function (i, tag) {
+  if (typeof (i) !== 'number')
+    throw new TypeError('argument must be a Number');
+  if (typeof (tag) !== 'number')
+    tag = ASN1.Enumeration;
+
+  return this.writeInt(i, tag);
+};
+
+
+Writer.prototype.writeBoolean = function (b, tag) {
+  if (typeof (b) !== 'boolean')
+    throw new TypeError('argument must be a Boolean');
+  if (typeof (tag) !== 'number')
+    tag = ASN1.Boolean;
+
+  this._ensure(3);
+  this._buf[this._offset++] = tag;
+  this._buf[this._offset++] = 0x01;
+  this._buf[this._offset++] = b ? 0xff : 0x00;
+};
+
+
+Writer.prototype.writeString = function (s, tag) {
+  if (typeof (s) !== 'string')
+    throw new TypeError('argument must be a string (was: ' + typeof (s) + ')');
+  if (typeof (tag) !== 'number')
+    tag = ASN1.OctetString;
+
+  var len = Buffer.byteLength(s);
+  this.writeByte(tag);
+  this.writeLength(len);
+  if (len) {
+    this._ensure(len);
+    this._buf.write(s, this._offset);
+    this._offset += len;
+  }
+};
+
+
+Writer.prototype.writeBuffer = function (buf, tag) {
+  if (typeof (tag) !== 'number')
+    throw new TypeError('tag must be a number');
+  if (!Buffer.isBuffer(buf))
+    throw new TypeError('argument must be a buffer');
+
+  this.writeByte(tag);
+  this.writeLength(buf.length);
+  this._ensure(buf.length);
+  buf.copy(this._buf, this._offset, 0, buf.length);
+  this._offset += buf.length;
+};
+
+
+Writer.prototype.writeStringArray = function (strings) {
+  if ((!strings instanceof Array))
+    throw new TypeError('argument must be an Array[String]');
+
+  var self = this;
+  strings.forEach(function (s) {
+    self.writeString(s);
+  });
+};
+
+// This is really to solve DER cases, but whatever for now
+Writer.prototype.writeOID = function (s, tag) {
+  if (typeof (s) !== 'string')
+    throw new TypeError('argument must be a string');
+  if (typeof (tag) !== 'number')
+    tag = ASN1.OID;
+
+  if (!/^([0-9]+\.){3,}[0-9]+$/.test(s))
+    throw new Error('argument is not a valid OID string');
+
+  function encodeOctet(bytes, octet) {
+    if (octet < 128) {
+        bytes.push(octet);
+    } else if (octet < 16384) {
+        bytes.push((octet >>> 7) | 0x80);
+        bytes.push(octet & 0x7F);
+    } else if (octet < 2097152) {
+      bytes.push((octet >>> 14) | 0x80);
+      bytes.push(((octet >>> 7) | 0x80) & 0xFF);
+      bytes.push(octet & 0x7F);
+    } else if (octet < 268435456) {
+      bytes.push((octet >>> 21) | 0x80);
+      bytes.push(((octet >>> 14) | 0x80) & 0xFF);
+      bytes.push(((octet >>> 7) | 0x80) & 0xFF);
+      bytes.push(octet & 0x7F);
+    } else {
+      bytes.push(((octet >>> 28) | 0x80) & 0xFF);
+      bytes.push(((octet >>> 21) | 0x80) & 0xFF);
+      bytes.push(((octet >>> 14) | 0x80) & 0xFF);
+      bytes.push(((octet >>> 7) | 0x80) & 0xFF);
+      bytes.push(octet & 0x7F);
+    }
+  }
+
+  var tmp = s.split('.');
+  var bytes = [];
+  bytes.push(parseInt(tmp[0], 10) * 40 + parseInt(tmp[1], 10));
+  tmp.slice(2).forEach(function (b) {
+    encodeOctet(bytes, parseInt(b, 10));
+  });
+
+  var self = this;
+  this._ensure(2 + bytes.length);
+  this.writeByte(tag);
+  this.writeLength(bytes.length);
+  bytes.forEach(function (b) {
+    self.writeByte(b);
+  });
+};
+
+
+Writer.prototype.writeLength = function (len) {
+  if (typeof (len) !== 'number')
+    throw new TypeError('argument must be a Number');
+
+  this._ensure(4);
+
+  if (len <= 0x7f) {
+    this._buf[this._offset++] = len;
+  } else if (len <= 0xff) {
+    this._buf[this._offset++] = 0x81;
+    this._buf[this._offset++] = len;
+  } else if (len <= 0xffff) {
+    this._buf[this._offset++] = 0x82;
+    this._buf[this._offset++] = len >> 8;
+    this._buf[this._offset++] = len;
+  } else if (len <= 0xffffff) {
+    this._buf[this._offset++] = 0x83;
+    this._buf[this._offset++] = len >> 16;
+    this._buf[this._offset++] = len >> 8;
+    this._buf[this._offset++] = len;
+  } else {
+    throw newInvalidAsn1Error('Length too long (> 4 bytes)');
+  }
+};
+
+Writer.prototype.startSequence = function (tag) {
+  if (typeof (tag) !== 'number')
+    tag = ASN1.Sequence | ASN1.Constructor;
+
+  this.writeByte(tag);
+  this._seq.push(this._offset);
+  this._ensure(3);
+  this._offset += 3;
+};
+
+
+Writer.prototype.endSequence = function () {
+  var seq = this._seq.pop();
+  var start = seq + 3;
+  var len = this._offset - start;
+
+  if (len <= 0x7f) {
+    this._shift(start, len, -2);
+    this._buf[seq] = len;
+  } else if (len <= 0xff) {
+    this._shift(start, len, -1);
+    this._buf[seq] = 0x81;
+    this._buf[seq + 1] = len;
+  } else if (len <= 0xffff) {
+    this._buf[seq] = 0x82;
+    this._buf[seq + 1] = len >> 8;
+    this._buf[seq + 2] = len;
+  } else if (len <= 0xffffff) {
+    this._shift(start, len, 1);
+    this._buf[seq] = 0x83;
+    this._buf[seq + 1] = len >> 16;
+    this._buf[seq + 2] = len >> 8;
+    this._buf[seq + 3] = len;
+  } else {
+    throw newInvalidAsn1Error('Sequence too long');
+  }
+};
+
+
+Writer.prototype._shift = function (start, len, shift) {
+  assert.ok(start !== undefined);
+  assert.ok(len !== undefined);
+  assert.ok(shift);
+
+  this._buf.copy(this._buf, start + shift, start, start + len);
+  this._offset += shift;
+};
+
+Writer.prototype._ensure = function (len) {
+  assert.ok(len);
+
+  if (this._size - this._offset < len) {
+    var sz = this._size * this._options.growthFactor;
+    if (sz - this._offset < len)
+      sz += len;
+
+    var buf = Buffer.alloc(sz);
+
+    this._buf.copy(buf, 0, 0, this._offset);
+    this._buf = buf;
+    this._size = sz;
+  }
+};
+
+
+
+// --- Exported API
+
+module.exports = Writer;
diff --git a/node_modules/asn1/lib/index.js b/node_modules/asn1/lib/index.js
new file mode 100644
index 000000000..ede3ab232
--- /dev/null
+++ b/node_modules/asn1/lib/index.js
@@ -0,0 +1,20 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+// If you have no idea what ASN.1 or BER is, see this:
+// ftp://ftp.rsa.com/pub/pkcs/ascii/layman.asc
+
+var Ber = require('./ber/index');
+
+
+
+// --- Exported API
+
+module.exports = {
+
+  Ber: Ber,
+
+  BerReader: Ber.Reader,
+
+  BerWriter: Ber.Writer
+
+};
diff --git a/node_modules/asn1/package.json b/node_modules/asn1/package.json
new file mode 100644
index 000000000..e31cce5ea
--- /dev/null
+++ b/node_modules/asn1/package.json
@@ -0,0 +1,31 @@
+{
+  "author": "Joyent (joyent.com)",
+  "contributors": [
+    "Mark Cavage <mcavage@gmail.com>",
+    "David Gwynne <loki@animata.net>",
+    "Yunong Xiao <yunong@joyent.com>",
+    "Alex Wilson <alex.wilson@joyent.com>"
+  ],
+  "name": "asn1",
+  "description": "Contains parsers and serializers for ASN.1 (currently BER only)",
+  "version": "0.2.6",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/joyent/node-asn1.git"
+  },
+  "main": "lib/index.js",
+  "dependencies": {
+    "safer-buffer": "~2.1.0"
+  },
+  "devDependencies": {
+    "istanbul": "^0.3.6",
+    "faucet": "0.0.1",
+    "tape": "^3.5.0",
+    "eslint": "2.13.1",
+    "eslint-plugin-joyent": "~1.3.0"
+  },
+  "scripts": {
+    "test": "./node_modules/.bin/tape ./test/ber/*.test.js"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/assert-plus/AUTHORS b/node_modules/assert-plus/AUTHORS
new file mode 100644
index 000000000..1923524fe
--- /dev/null
+++ b/node_modules/assert-plus/AUTHORS
@@ -0,0 +1,6 @@
+Dave Eddy <dave@daveeddy.com>
+Fred Kuo <fred.kuo@joyent.com>
+Lars-Magnus Skog <ralphtheninja@riseup.net>
+Mark Cavage <mcavage@gmail.com>
+Patrick Mooney <pmooney@pfmooney.com>
+Rob Gulewich <robert.gulewich@joyent.com>
diff --git a/node_modules/assert-plus/CHANGES.md b/node_modules/assert-plus/CHANGES.md
new file mode 100644
index 000000000..57d92bfdb
--- /dev/null
+++ b/node_modules/assert-plus/CHANGES.md
@@ -0,0 +1,14 @@
+# assert-plus Changelog
+
+## 1.0.0
+
+- *BREAKING* assert.number (and derivatives) now accept Infinity as valid input
+- Add assert.finite check.  Previous assert.number callers should use this if
+  they expect Infinity inputs to throw.
+
+## 0.2.0
+
+- Fix `assert.object(null)` so it throws
+- Fix optional/arrayOf exports for non-type-of asserts
+- Add optiona/arrayOf exports for Stream/Date/Regex/uuid
+- Add basic unit test coverage
diff --git a/node_modules/assert-plus/README.md b/node_modules/assert-plus/README.md
new file mode 100644
index 000000000..ec200d161
--- /dev/null
+++ b/node_modules/assert-plus/README.md
@@ -0,0 +1,162 @@
+# assert-plus
+
+This library is a super small wrapper over node's assert module that has two
+things: (1) the ability to disable assertions with the environment variable
+NODE\_NDEBUG, and (2) some API wrappers for argument testing.  Like
+`assert.string(myArg, 'myArg')`.  As a simple example, most of my code looks
+like this:
+
+```javascript
+    var assert = require('assert-plus');
+
+    function fooAccount(options, callback) {
+        assert.object(options, 'options');
+        assert.number(options.id, 'options.id');
+        assert.bool(options.isManager, 'options.isManager');
+        assert.string(options.name, 'options.name');
+        assert.arrayOfString(options.email, 'options.email');
+        assert.func(callback, 'callback');
+
+        // Do stuff
+        callback(null, {});
+    }
+```
+
+# API
+
+All methods that *aren't* part of node's core assert API are simply assumed to
+take an argument, and then a string 'name' that's not a message; `AssertionError`
+will be thrown if the assertion fails with a message like:
+
+    AssertionError: foo (string) is required
+    at test (/home/mark/work/foo/foo.js:3:9)
+    at Object.<anonymous> (/home/mark/work/foo/foo.js:15:1)
+    at Module._compile (module.js:446:26)
+    at Object..js (module.js:464:10)
+    at Module.load (module.js:353:31)
+    at Function._load (module.js:311:12)
+    at Array.0 (module.js:484:10)
+    at EventEmitter._tickCallback (node.js:190:38)
+
+from:
+
+```javascript
+    function test(foo) {
+        assert.string(foo, 'foo');
+    }
+```
+
+There you go.  You can check that arrays are of a homogeneous type with `Arrayof$Type`:
+
+```javascript
+    function test(foo) {
+        assert.arrayOfString(foo, 'foo');
+    }
+```
+
+You can assert IFF an argument is not `undefined` (i.e., an optional arg):
+
+```javascript
+    assert.optionalString(foo, 'foo');
+```
+
+Lastly, you can opt-out of assertion checking altogether by setting the
+environment variable `NODE_NDEBUG=1`.  This is pseudo-useful if you have
+lots of assertions, and don't want to pay `typeof ()` taxes to v8 in
+production.  Be advised:  The standard functions re-exported from `assert` are
+also disabled in assert-plus if NDEBUG is specified.  Using them directly from
+the `assert` module avoids this behavior.
+
+The complete list of APIs is:
+
+* assert.array
+* assert.bool
+* assert.buffer
+* assert.func
+* assert.number
+* assert.finite
+* assert.object
+* assert.string
+* assert.stream
+* assert.date
+* assert.regexp
+* assert.uuid
+* assert.arrayOfArray
+* assert.arrayOfBool
+* assert.arrayOfBuffer
+* assert.arrayOfFunc
+* assert.arrayOfNumber
+* assert.arrayOfFinite
+* assert.arrayOfObject
+* assert.arrayOfString
+* assert.arrayOfStream
+* assert.arrayOfDate
+* assert.arrayOfRegexp
+* assert.arrayOfUuid
+* assert.optionalArray
+* assert.optionalBool
+* assert.optionalBuffer
+* assert.optionalFunc
+* assert.optionalNumber
+* assert.optionalFinite
+* assert.optionalObject
+* assert.optionalString
+* assert.optionalStream
+* assert.optionalDate
+* assert.optionalRegexp
+* assert.optionalUuid
+* assert.optionalArrayOfArray
+* assert.optionalArrayOfBool
+* assert.optionalArrayOfBuffer
+* assert.optionalArrayOfFunc
+* assert.optionalArrayOfNumber
+* assert.optionalArrayOfFinite
+* assert.optionalArrayOfObject
+* assert.optionalArrayOfString
+* assert.optionalArrayOfStream
+* assert.optionalArrayOfDate
+* assert.optionalArrayOfRegexp
+* assert.optionalArrayOfUuid
+* assert.AssertionError
+* assert.fail
+* assert.ok
+* assert.equal
+* assert.notEqual
+* assert.deepEqual
+* assert.notDeepEqual
+* assert.strictEqual
+* assert.notStrictEqual
+* assert.throws
+* assert.doesNotThrow
+* assert.ifError
+
+# Installation
+
+    npm install assert-plus
+
+## License
+
+The MIT License (MIT)
+Copyright (c) 2012 Mark Cavage
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+## Bugs
+
+See <https://github.com/mcavage/node-assert-plus/issues>.
diff --git a/node_modules/assert-plus/assert.js b/node_modules/assert-plus/assert.js
new file mode 100644
index 000000000..26f944eec
--- /dev/null
+++ b/node_modules/assert-plus/assert.js
@@ -0,0 +1,211 @@
+// Copyright (c) 2012, Mark Cavage. All rights reserved.
+// Copyright 2015 Joyent, Inc.
+
+var assert = require('assert');
+var Stream = require('stream').Stream;
+var util = require('util');
+
+
+///--- Globals
+
+/* JSSTYLED */
+var UUID_REGEXP = /^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$/;
+
+
+///--- Internal
+
+function _capitalize(str) {
+    return (str.charAt(0).toUpperCase() + str.slice(1));
+}
+
+function _toss(name, expected, oper, arg, actual) {
+    throw new assert.AssertionError({
+        message: util.format('%s (%s) is required', name, expected),
+        actual: (actual === undefined) ? typeof (arg) : actual(arg),
+        expected: expected,
+        operator: oper || '===',
+        stackStartFunction: _toss.caller
+    });
+}
+
+function _getClass(arg) {
+    return (Object.prototype.toString.call(arg).slice(8, -1));
+}
+
+function noop() {
+    // Why even bother with asserts?
+}
+
+
+///--- Exports
+
+var types = {
+    bool: {
+        check: function (arg) { return typeof (arg) === 'boolean'; }
+    },
+    func: {
+        check: function (arg) { return typeof (arg) === 'function'; }
+    },
+    string: {
+        check: function (arg) { return typeof (arg) === 'string'; }
+    },
+    object: {
+        check: function (arg) {
+            return typeof (arg) === 'object' && arg !== null;
+        }
+    },
+    number: {
+        check: function (arg) {
+            return typeof (arg) === 'number' && !isNaN(arg);
+        }
+    },
+    finite: {
+        check: function (arg) {
+            return typeof (arg) === 'number' && !isNaN(arg) && isFinite(arg);
+        }
+    },
+    buffer: {
+        check: function (arg) { return Buffer.isBuffer(arg); },
+        operator: 'Buffer.isBuffer'
+    },
+    array: {
+        check: function (arg) { return Array.isArray(arg); },
+        operator: 'Array.isArray'
+    },
+    stream: {
+        check: function (arg) { return arg instanceof Stream; },
+        operator: 'instanceof',
+        actual: _getClass
+    },
+    date: {
+        check: function (arg) { return arg instanceof Date; },
+        operator: 'instanceof',
+        actual: _getClass
+    },
+    regexp: {
+        check: function (arg) { return arg instanceof RegExp; },
+        operator: 'instanceof',
+        actual: _getClass
+    },
+    uuid: {
+        check: function (arg) {
+            return typeof (arg) === 'string' && UUID_REGEXP.test(arg);
+        },
+        operator: 'isUUID'
+    }
+};
+
+function _setExports(ndebug) {
+    var keys = Object.keys(types);
+    var out;
+
+    /* re-export standard assert */
+    if (process.env.NODE_NDEBUG) {
+        out = noop;
+    } else {
+        out = function (arg, msg) {
+            if (!arg) {
+                _toss(msg, 'true', arg);
+            }
+        };
+    }
+
+    /* standard checks */
+    keys.forEach(function (k) {
+        if (ndebug) {
+            out[k] = noop;
+            return;
+        }
+        var type = types[k];
+        out[k] = function (arg, msg) {
+            if (!type.check(arg)) {
+                _toss(msg, k, type.operator, arg, type.actual);
+            }
+        };
+    });
+
+    /* optional checks */
+    keys.forEach(function (k) {
+        var name = 'optional' + _capitalize(k);
+        if (ndebug) {
+            out[name] = noop;
+            return;
+        }
+        var type = types[k];
+        out[name] = function (arg, msg) {
+            if (arg === undefined || arg === null) {
+                return;
+            }
+            if (!type.check(arg)) {
+                _toss(msg, k, type.operator, arg, type.actual);
+            }
+        };
+    });
+
+    /* arrayOf checks */
+    keys.forEach(function (k) {
+        var name = 'arrayOf' + _capitalize(k);
+        if (ndebug) {
+            out[name] = noop;
+            return;
+        }
+        var type = types[k];
+        var expected = '[' + k + ']';
+        out[name] = function (arg, msg) {
+            if (!Array.isArray(arg)) {
+                _toss(msg, expected, type.operator, arg, type.actual);
+            }
+            var i;
+            for (i = 0; i < arg.length; i++) {
+                if (!type.check(arg[i])) {
+                    _toss(msg, expected, type.operator, arg, type.actual);
+                }
+            }
+        };
+    });
+
+    /* optionalArrayOf checks */
+    keys.forEach(function (k) {
+        var name = 'optionalArrayOf' + _capitalize(k);
+        if (ndebug) {
+            out[name] = noop;
+            return;
+        }
+        var type = types[k];
+        var expected = '[' + k + ']';
+        out[name] = function (arg, msg) {
+            if (arg === undefined || arg === null) {
+                return;
+            }
+            if (!Array.isArray(arg)) {
+                _toss(msg, expected, type.operator, arg, type.actual);
+            }
+            var i;
+            for (i = 0; i < arg.length; i++) {
+                if (!type.check(arg[i])) {
+                    _toss(msg, expected, type.operator, arg, type.actual);
+                }
+            }
+        };
+    });
+
+    /* re-export built-in assertions */
+    Object.keys(assert).forEach(function (k) {
+        if (k === 'AssertionError') {
+            out[k] = assert[k];
+            return;
+        }
+        if (ndebug) {
+            out[k] = noop;
+            return;
+        }
+        out[k] = assert[k];
+    });
+
+    /* export ourselves (for unit tests _only_) */
+    out._setExports = _setExports;
+
+    return out;
+}
+
+module.exports = _setExports(process.env.NODE_NDEBUG);
diff --git a/node_modules/assert-plus/package.json b/node_modules/assert-plus/package.json
new file mode 100644
index 000000000..40d6a5cd8
--- /dev/null
+++ b/node_modules/assert-plus/package.json
@@ -0,0 +1,23 @@
+{
+  "author": "Mark Cavage <mcavage@gmail.com>",
+  "name": "assert-plus",
+  "description": "Extra assertions on top of node's assert module",
+  "version": "1.0.0",
+  "license": "MIT",
+  "main": "./assert.js",
+  "devDependencies": {
+    "tape": "4.2.2",
+    "faucet": "0.0.1"
+  },
+  "optionalDependencies": {},
+  "scripts": {
+    "test": "./node_modules/.bin/tape tests/*.js | ./node_modules/.bin/faucet"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mcavage/node-assert-plus.git"
+  },
+  "engines": {
+    "node": ">=0.8"
+  }
+}
diff --git a/node_modules/asynckit/LICENSE b/node_modules/asynckit/LICENSE
new file mode 100644
index 000000000..c9eca5dd9
--- /dev/null
+++ b/node_modules/asynckit/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Alex Indigo
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/asynckit/README.md b/node_modules/asynckit/README.md
new file mode 100644
index 000000000..ddcc7e6b9
--- /dev/null
+++ b/node_modules/asynckit/README.md
@@ -0,0 +1,233 @@
+# asynckit [![NPM Module](https://img.shields.io/npm/v/asynckit.svg?style=flat)](https://www.npmjs.com/package/asynckit)
+
+Minimal async jobs utility library, with streams support.
+
+[![PhantomJS Build](https://img.shields.io/travis/alexindigo/asynckit/v0.4.0.svg?label=browser&style=flat)](https://travis-ci.org/alexindigo/asynckit)
+[![Linux Build](https://img.shields.io/travis/alexindigo/asynckit/v0.4.0.svg?label=linux:0.12-6.x&style=flat)](https://travis-ci.org/alexindigo/asynckit)
+[![Windows Build](https://img.shields.io/appveyor/ci/alexindigo/asynckit/v0.4.0.svg?label=windows:0.12-6.x&style=flat)](https://ci.appveyor.com/project/alexindigo/asynckit)
+
+[![Coverage Status](https://img.shields.io/coveralls/alexindigo/asynckit/v0.4.0.svg?label=code+coverage&style=flat)](https://coveralls.io/github/alexindigo/asynckit?branch=master)
+[![Dependency Status](https://img.shields.io/david/alexindigo/asynckit/v0.4.0.svg?style=flat)](https://david-dm.org/alexindigo/asynckit)
+[![bitHound Overall Score](https://www.bithound.io/github/alexindigo/asynckit/badges/score.svg)](https://www.bithound.io/github/alexindigo/asynckit)
+
+<!-- [![Readme](https://img.shields.io/badge/readme-tested-brightgreen.svg?style=flat)](https://www.npmjs.com/package/reamde) -->
+
+AsyncKit provides harness for `parallel` and `serial` iterators over list of items represented by arrays or objects.
+Optionally it accepts abort function (should be synchronously return by iterator for each item), and terminates left over jobs upon an error event. For specific iteration order built-in (`ascending` and `descending`) and custom sort helpers also supported, via `asynckit.serialOrdered` method.
+
+It ensures async operations to keep behavior more stable and prevent `Maximum call stack size exceeded` errors, from sync iterators.
+
+| compression        |     size |
+| :----------------- | -------: |
+| asynckit.js        | 12.34 kB |
+| asynckit.min.js    |  4.11 kB |
+| asynckit.min.js.gz |  1.47 kB |
+
+
+## Install
+
+```sh
+$ npm install --save asynckit
+```
+
+## Examples
+
+### Parallel Jobs
+
+Runs iterator over provided array in parallel. Stores output in the `result` array,
+on the matching positions. In unlikely event of an error from one of the jobs,
+will terminate rest of the active jobs (if abort function is provided)
+and return error along with salvaged data to the main callback function.
+
+#### Input Array
+
+```javascript
+var parallel = require('asynckit').parallel
+  , assert   = require('assert')
+  ;
+
+var source         = [ 1, 1, 4, 16, 64, 32, 8, 2 ]
+  , expectedResult = [ 2, 2, 8, 32, 128, 64, 16, 4 ]
+  , expectedTarget = [ 1, 1, 2, 4, 8, 16, 32, 64 ]
+  , target         = []
+  ;
+
+parallel(source, asyncJob, function(err, result)
+{
+  assert.deepEqual(result, expectedResult);
+  assert.deepEqual(target, expectedTarget);
+});
+
+// async job accepts one element from the array
+// and a callback function
+function asyncJob(item, cb)
+{
+  // different delays (in ms) per item
+  var delay = item * 25;
+
+  // pretend different jobs take different time to finish
+  // and not in consequential order
+  var timeoutId = setTimeout(function() {
+    target.push(item);
+    cb(null, item * 2);
+  }, delay);
+
+  // allow to cancel "leftover" jobs upon error
+  // return function, invoking of which will abort this job
+  return clearTimeout.bind(null, timeoutId);
+}
+```
+
+More examples could be found in [test/test-parallel-array.js](test/test-parallel-array.js).
+
+#### Input Object
+
+Also it supports named jobs, listed via object.
+
+```javascript
+var parallel = require('asynckit/parallel')
+  , assert   = require('assert')
+  ;
+
+var source         = { first: 1, one: 1, four: 4, sixteen: 16, sixtyFour: 64, thirtyTwo: 32, eight: 8, two: 2 }
+  , expectedResult = { first: 2, one: 2, four: 8, sixteen: 32, sixtyFour: 128, thirtyTwo: 64, eight: 16, two: 4 }
+  , expectedTarget = [ 1, 1, 2, 4, 8, 16, 32, 64 ]
+  , expectedKeys   = [ 'first', 'one', 'two', 'four', 'eight', 'sixteen', 'thirtyTwo', 'sixtyFour' ]
+  , target         = []
+  , keys           = []
+  ;
+
+parallel(source, asyncJob, function(err, result)
+{
+  assert.deepEqual(result, expectedResult);
+  assert.deepEqual(target, expectedTarget);
+  assert.deepEqual(keys, expectedKeys);
+});
+
+// supports full value, key, callback (shortcut) interface
+function asyncJob(item, key, cb)
+{
+  // different delays (in ms) per item
+  var delay = item * 25;
+
+  // pretend different jobs take different time to finish
+  // and not in consequential order
+  var timeoutId = setTimeout(function() {
+    keys.push(key);
+    target.push(item);
+    cb(null, item * 2);
+  }, delay);
+
+  // allow to cancel "leftover" jobs upon error
+  // return function, invoking of which will abort this job
+  return clearTimeout.bind(null, timeoutId);
+}
+```
+
+More examples could be found in [test/test-parallel-object.js](test/test-parallel-object.js).
+
+### Serial Jobs
+
+Runs iterator over provided array sequentially. Stores output in the `result` array,
+on the matching positions. In unlikely event of an error from one of the jobs,
+will not proceed to the rest of the items in the list
+and return error along with salvaged data to the main callback function.
+
+#### Input Array
+
+```javascript
+var serial = require('asynckit/serial')
+  , assert = require('assert')
+  ;
+
+var source         = [ 1, 1, 4, 16, 64, 32, 8, 2 ]
+  , expectedResult = [ 2, 2, 8, 32, 128, 64, 16, 4 ]
+  , expectedTarget = [ 0, 1, 2, 3, 4, 5, 6, 7 ]
+  , target         = []
+  ;
+
+serial(source, asyncJob, function(err, result)
+{
+  assert.deepEqual(result, expectedResult);
+  assert.deepEqual(target, expectedTarget);
+});
+
+// extended interface (item, key, callback)
+// also supported for arrays
+function asyncJob(item, key, cb)
+{
+  target.push(key);
+
+  // it will be automatically made async
+  // even it iterator "returns" in the same event loop
+  cb(null, item * 2);
+}
+```
+
+More examples could be found in [test/test-serial-array.js](test/test-serial-array.js).
+
+#### Input Object
+
+Also it supports named jobs, listed via object.
+
+```javascript
+var serial = require('asynckit').serial
+  , assert = require('assert')
+  ;
+
+var source         = [ 1, 1, 4, 16, 64, 32, 8, 2 ]
+  , expectedResult = [ 2, 2, 8, 32, 128, 64, 16, 4 ]
+  , expectedTarget = [ 0, 1, 2, 3, 4, 5, 6, 7 ]
+  , target         = []
+  ;
+
+var source         = { first: 1, one: 1, four: 4, sixteen: 16, sixtyFour: 64, thirtyTwo: 32, eight: 8, two: 2 }
+  , expectedResult = { first: 2, one: 2, four: 8, sixteen: 32, sixtyFour: 128, thirtyTwo: 64, eight: 16, two: 4 }
+  , expectedTarget = [ 1, 1, 4, 16, 64, 32, 8, 2 ]
+  , target         = []
+  ;
+
+
+serial(source, asyncJob, function(err, result)
+{
+  assert.deepEqual(result, expectedResult);
+  assert.deepEqual(target, expectedTarget);
+});
+
+// shortcut interface (item, callback)
+// works for object as well as for the arrays
+function asyncJob(item, cb)
+{
+  target.push(item);
+
+  // it will be automatically made async
+  // even it iterator "returns" in the same event loop
+  cb(null, item * 2);
+}
+```
+
+More examples could be found in [test/test-serial-object.js](test/test-serial-object.js).
+
+_Note: Since _object_ is an _unordered_ collection of properties,
+it may produce unexpected results with sequential iterations.
+Whenever order of the jobs' execution is important please use `serialOrdered` method._
+
+### Ordered Serial Iterations
+
+TBD
+
+For example [compare-property](compare-property) package.
+
+### Streaming interface
+
+TBD
+
+## Want to Know More?
+
+More examples can be found in [test folder](test/).
+
+Or open an [issue](https://github.com/alexindigo/asynckit/issues) with questions and/or suggestions.
+
+## License
+
+AsyncKit is licensed under the MIT license.
diff --git a/node_modules/asynckit/bench.js b/node_modules/asynckit/bench.js
new file mode 100644
index 000000000..c612f1a55
--- /dev/null
+++ b/node_modules/asynckit/bench.js
@@ -0,0 +1,76 @@
+/* eslint no-console: "off" */
+
+var asynckit = require('./')
+  , async    = require('async')
+  , assert   = require('assert')
+  , expected = 0
+  ;
+
+var Benchmark = require('benchmark');
+var suite = new Benchmark.Suite;
+
+var source = [];
+for (var z = 1; z < 100; z++)
+{
+  source.push(z);
+  expected += z;
+}
+
+suite
+// add tests
+
+.add('async.map', function(deferred)
+{
+  var total = 0;
+
+  async.map(source,
+  function(i, cb)
+  {
+    setImmediate(function()
+    {
+      total += i;
+      cb(null, total);
+    });
+  },
+  function(err, result)
+  {
+    assert.ifError(err);
+    assert.equal(result[result.length - 1], expected);
+    deferred.resolve();
+  });
+}, {'defer': true})
+
+
+.add('asynckit.parallel', function(deferred)
+{
+  var total = 0;
+
+  asynckit.parallel(source,
+  function(i, cb)
+  {
+    setImmediate(function()
+    {
+      total += i;
+      cb(null, total);
+    });
+  },
+  function(err, result)
+  {
+    assert.ifError(err);
+    assert.equal(result[result.length - 1], expected);
+    deferred.resolve();
+  });
+}, {'defer': true})
+
+
+// add listeners
+.on('cycle', function(ev)
+{
+  console.log(String(ev.target));
+})
+.on('complete', function()
+{
+  console.log('Fastest is ' + this.filter('fastest').map('name'));
+})
+// run async
+.run({ 'async': true });
diff --git a/node_modules/asynckit/index.js b/node_modules/asynckit/index.js
new file mode 100644
index 000000000..455f9454e
--- /dev/null
+++ b/node_modules/asynckit/index.js
@@ -0,0 +1,6 @@
+module.exports =
+{
+  parallel      : require('./parallel.js'),
+  serial        : require('./serial.js'),
+  serialOrdered : require('./serialOrdered.js')
+};
diff --git a/node_modules/asynckit/lib/abort.js b/node_modules/asynckit/lib/abort.js
new file mode 100644
index 000000000..114367e5f
--- /dev/null
+++ b/node_modules/asynckit/lib/abort.js
@@ -0,0 +1,29 @@
+// API
+module.exports = abort;
+
+/**
+ * Aborts leftover active jobs
+ *
+ * @param {object} state - current state object
+ */
+function abort(state)
+{
+  Object.keys(state.jobs).forEach(clean.bind(state));
+
+  // reset leftover jobs
+  state.jobs = {};
+}
+
+/**
+ * Cleans up leftover job by invoking abort function for the provided job id
+ *
+ * @this  state
+ * @param {string|number} key - job id to abort
+ */
+function clean(key)
+{
+  if (typeof this.jobs[key] == 'function')
+  {
+    this.jobs[key]();
+  }
+}
diff --git a/node_modules/asynckit/lib/async.js b/node_modules/asynckit/lib/async.js
new file mode 100644
index 000000000..7f1288a4c
--- /dev/null
+++ b/node_modules/asynckit/lib/async.js
@@ -0,0 +1,34 @@
+var defer = require('./defer.js');
+
+// API
+module.exports = async;
+
+/**
+ * Runs provided callback asynchronously
+ * even if callback itself is not
+ *
+ * @param   {function} callback - callback to invoke
+ * @returns {function} - augmented callback
+ */
+function async(callback)
+{
+  var isAsync = false;
+
+  // check if async happened
+  defer(function() { isAsync = true; });
+
+  return function async_callback(err, result)
+  {
+    if (isAsync)
+    {
+      callback(err, result);
+    }
+    else
+    {
+      defer(function nextTick_callback()
+      {
+        callback(err, result);
+      });
+    }
+  };
+}
diff --git a/node_modules/asynckit/lib/defer.js b/node_modules/asynckit/lib/defer.js
new file mode 100644
index 000000000..b67110c7a
--- /dev/null
+++ b/node_modules/asynckit/lib/defer.js
@@ -0,0 +1,26 @@
+module.exports = defer;
+
+/**
+ * Runs provided function on next iteration of the event loop
+ *
+ * @param {function} fn - function to run
+ */
+function defer(fn)
+{
+  var nextTick = typeof setImmediate == 'function'
+    ? setImmediate
+    : (
+      typeof process == 'object' && typeof process.nextTick == 'function'
+      ? process.nextTick
+      : null
+    );
+
+  if (nextTick)
+  {
+    nextTick(fn);
+  }
+  else
+  {
+    setTimeout(fn, 0);
+  }
+}
diff --git a/node_modules/asynckit/lib/iterate.js b/node_modules/asynckit/lib/iterate.js
new file mode 100644
index 000000000..5d2839a59
--- /dev/null
+++ b/node_modules/asynckit/lib/iterate.js
@@ -0,0 +1,75 @@
+var async = require('./async.js')
+  , abort = require('./abort.js')
+  ;
+
+// API
+module.exports = iterate;
+
+/**
+ * Iterates over each job object
+ *
+ * @param {array|object} list - array or object (named list) to iterate over
+ * @param {function} iterator - iterator to run
+ * @param {object} state - current job status
+ * @param {function} callback - invoked when all elements processed
+ */
+function iterate(list, iterator, state, callback)
+{
+  // store current index
+  var key = state['keyedList'] ? state['keyedList'][state.index] : state.index;
+
+  state.jobs[key] = runJob(iterator, key, list[key], function(error, output)
+  {
+    // don't repeat yourself
+    // skip secondary callbacks
+    if (!(key in state.jobs))
+    {
+      return;
+    }
+
+    // clean up jobs
+    delete state.jobs[key];
+
+    if (error)
+    {
+      // don't process rest of the results
+      // stop still active jobs
+      // and reset the list
+      abort(state);
+    }
+    else
+    {
+      state.results[key] = output;
+    }
+
+    // return salvaged results
+    callback(error, state.results);
+  });
+}
+
+/**
+ * Runs iterator over provided job element
+ *
+ * @param   {function} iterator - iterator to invoke
+ * @param   {string|number} key - key/index of the element in the list of jobs
+ * @param   {mixed} item - job description
+ * @param   {function} callback - invoked after iterator is done with the job
+ * @returns {function|mixed} - job abort function or something else
+ */
+function runJob(iterator, key, item, callback)
+{
+  var aborter;
+
+  // allow shortcut if iterator expects only two arguments
+  if (iterator.length == 2)
+  {
+    aborter = iterator(item, async(callback));
+  }
+  // otherwise go with full three arguments
+  else
+  {
+    aborter = iterator(item, key, async(callback));
+  }
+
+  return aborter;
+}
diff --git a/node_modules/asynckit/lib/readable_asynckit.js b/node_modules/asynckit/lib/readable_asynckit.js
new file mode 100644
index 000000000..78ad240f0
--- /dev/null
+++ b/node_modules/asynckit/lib/readable_asynckit.js
@@ -0,0 +1,91 @@
+var streamify = require('./streamify.js')
+  , defer     = require('./defer.js')
+  ;
+
+// API
+module.exports = ReadableAsyncKit;
+
+/**
+ * Base constructor for all streams
+ * used to hold properties/methods
+ */
+function ReadableAsyncKit()
+{
+  ReadableAsyncKit.super_.apply(this, arguments);
+
+  // list of active jobs
+  this.jobs = {};
+
+  // add stream methods
+  this.destroy = destroy;
+  this._start  = _start;
+  this._read   = _read;
+}
+
+/**
+ * Destroys readable stream,
+ * by aborting outstanding jobs
+ *
+ * @returns {void}
+ */
+function destroy()
+{
+  if (this.destroyed)
+  {
+    return;
+  }
+
+  this.destroyed = true;
+
+  if (typeof this.terminator == 'function')
+  {
+    this.terminator();
+  }
+}
+
+/**
+ * Starts provided jobs in async manner
+ *
+ * @private
+ */
+function _start()
+{
+  // first argument – runner function
+  var runner = arguments[0]
+    // take away first argument
+    , args   = Array.prototype.slice.call(arguments, 1)
+      // second argument - input data
+    , input  = args[0]
+      // last argument - result callback
+    , endCb  = streamify.callback.call(this, args[args.length - 1])
+    ;
+
+  args[args.length - 1] = endCb;
+  // third argument - iterator
+  args[1] = streamify.iterator.call(this, args[1]);
+
+  // allow time for proper setup
+  defer(function()
+  {
+    if (!this.destroyed)
+    {
+      this.terminator = runner.apply(null, args);
+    }
+    else
+    {
+      endCb(null, Array.isArray(input) ? [] : {});
+    }
+  }.bind(this));
+}
+
+
+/**
+ * Implement _read to comply with Readable streams
+ * Doesn't really make sense for flowing object mode
+ *
+ * @private
+ */
+function _read()
+{
+
+}
diff --git a/node_modules/asynckit/lib/readable_parallel.js b/node_modules/asynckit/lib/readable_parallel.js
new file mode 100644
index 000000000..5d2929f7a
--- /dev/null
+++ b/node_modules/asynckit/lib/readable_parallel.js
@@ -0,0 +1,25 @@
+var parallel = require('../parallel.js');
+
+// API
+module.exports = ReadableParallel;
+
+/**
+ * Streaming wrapper to `asynckit.parallel`
+ *
+ * @param   {array|object} list - array or object (named list) to iterate over
+ * @param   {function} iterator - iterator to run
+ * @param   {function} callback - invoked when all elements processed
+ * @returns {stream.Readable#}
+ */
+function ReadableParallel(list, iterator, callback)
+{
+  if (!(this instanceof ReadableParallel))
+  {
+    return new ReadableParallel(list, iterator, callback);
+  }
+
+  // turn on object mode
+  ReadableParallel.super_.call(this, {objectMode: true});
+
+  this._start(parallel, list, iterator, callback);
+}
diff --git a/node_modules/asynckit/lib/readable_serial.js b/node_modules/asynckit/lib/readable_serial.js
new file mode 100644
index 000000000..782269820
--- /dev/null
+++ b/node_modules/asynckit/lib/readable_serial.js
@@ -0,0 +1,25 @@
+var serial = require('../serial.js');
+
+// API
+module.exports = ReadableSerial;
+
+/**
+ * Streaming wrapper to `asynckit.serial`
+ *
+ * @param   {array|object} list - array or object (named list) to iterate over
+ * @param   {function} iterator - iterator to run
+ * @param   {function} callback - invoked when all elements processed
+ * @returns {stream.Readable#}
+ */
+function ReadableSerial(list, iterator, callback)
+{
+  if (!(this instanceof ReadableSerial))
+  {
+    return new ReadableSerial(list, iterator, callback);
+  }
+
+  // turn on object mode
+  ReadableSerial.super_.call(this, {objectMode: true});
+
+  this._start(serial, list, iterator, callback);
+}
diff --git a/node_modules/asynckit/lib/readable_serial_ordered.js b/node_modules/asynckit/lib/readable_serial_ordered.js
new file mode 100644
index 000000000..3de89c472
--- /dev/null
+++ b/node_modules/asynckit/lib/readable_serial_ordered.js
@@ -0,0 +1,29 @@
+var serialOrdered = require('../serialOrdered.js');
+
+// API
+module.exports = ReadableSerialOrdered;
+// expose sort helpers
+module.exports.ascending  = serialOrdered.ascending;
+module.exports.descending = serialOrdered.descending;
+
+/**
+ * Streaming wrapper to `asynckit.serialOrdered`
+ *
+ * @param   {array|object} list - array or object (named list) to iterate over
+ * @param   {function} iterator - iterator to run
+ * @param   {function} sortMethod - custom sort function
+ * @param   {function} callback - invoked when all elements processed
+ * @returns {stream.Readable#}
+ */
+function ReadableSerialOrdered(list, iterator, sortMethod, callback)
+{
+  if (!(this instanceof ReadableSerialOrdered))
+  {
+    return new ReadableSerialOrdered(list, iterator, sortMethod, callback);
+  }
+
+  // turn on object mode
+  ReadableSerialOrdered.super_.call(this, {objectMode: true});
+
+  this._start(serialOrdered, list, iterator, sortMethod, callback);
+}
diff --git a/node_modules/asynckit/lib/state.js b/node_modules/asynckit/lib/state.js
new file mode 100644
index 000000000..cbea7ad8f
--- /dev/null
+++ b/node_modules/asynckit/lib/state.js
@@ -0,0 +1,37 @@
+// API
+module.exports = state;
+
+/**
+ * Creates initial state object
+ * for iteration over list
+ *
+ * @param   {array|object} list - list to iterate over
+ * @param   {function|null} sortMethod - function to use for keys sort,
+ *                                     or `null` to keep them as is
+ * @returns {object} - initial state object
+ */
+function state(list, sortMethod)
+{
+  var isNamedList = !Array.isArray(list)
+    , initState =
+    {
+      index    : 0,
+      keyedList: isNamedList || sortMethod ? Object.keys(list) : null,
+      jobs     : {},
+      results  : isNamedList ? {} : [],
+      size     : isNamedList ? Object.keys(list).length : list.length
+    }
+    ;
+
+  if (sortMethod)
+  {
+    // sort array keys based on it's values
+    // sort object's keys just on own merit
+    initState.keyedList.sort(isNamedList ? sortMethod : function(a, b)
+    {
+      return sortMethod(list[a], list[b]);
+    });
+  }
+
+  return initState;
+}
diff --git a/node_modules/asynckit/lib/streamify.js b/node_modules/asynckit/lib/streamify.js
new file mode 100644
index 000000000..f56a1c92b
--- /dev/null
+++ b/node_modules/asynckit/lib/streamify.js
@@ -0,0 +1,141 @@
+var async = require('./async.js');
+
+// API
+module.exports = {
+  iterator: wrapIterator,
+  callback: wrapCallback
+};
+
+/**
+ * Wraps iterators with long signature
+ *
+ * @this    ReadableAsyncKit#
+ * @param   {function} iterator - function to wrap
+ * @returns {function} - wrapped function
+ */
+function wrapIterator(iterator)
+{
+  var stream = this;
+
+  return function(item, key, cb)
+  {
+    var aborter
+      , wrappedCb = async(wrapIteratorCallback.call(stream, cb, key))
+      ;
+
+    stream.jobs[key] = wrappedCb;
+
+    // it's either shortcut (item, cb)
+    if (iterator.length == 2)
+    {
+      aborter = iterator(item, wrappedCb);
+    }
+    // or long format (item, key, cb)
+    else
+    {
+      aborter = iterator(item, key, wrappedCb);
+    }
+
+    return aborter;
+  };
+}
+
+/**
+ * Wraps provided callback function
+ * allowing to execute snitch function before
+ * real callback
+ *
+ * @this    ReadableAsyncKit#
+ * @param   {function} callback - function to wrap
+ * @returns {function} - wrapped function
+ */
+function wrapCallback(callback)
+{
+  var stream = this;
+
+  var wrapped = function(error, result)
+  {
+    return finisher.call(stream, error, result, callback);
+  };
+
+  return wrapped;
+}
+
+/**
+ * Wraps provided iterator callback function
+ * makes sure snitch only called once,
+ * but passes secondary calls to the original callback
+ *
+ * @this    ReadableAsyncKit#
+ * @param   {function} callback - callback to wrap
+ * @param   {number|string} key - iteration key
+ * @returns {function} wrapped callback
+ */
+function wrapIteratorCallback(callback, key)
+{
+  var stream = this;
+
+  return function(error, output)
+  {
+    // don't repeat yourself
+    if (!(key in stream.jobs))
+    {
+      callback(error, output);
+      return;
+    }
+
+    // clean up jobs
+    delete stream.jobs[key];
+
+    return streamer.call(stream, error, {key: key, value: output}, callback);
+  };
+}
+
+/**
+ * Stream wrapper for iterator callback
+ *
+ * @this  ReadableAsyncKit#
+ * @param {mixed} error - error response
+ * @param {mixed} output - iterator output
+ * @param {function} callback - callback that expects iterator results
+ */
+function streamer(error, output, callback)
+{
+  if (error && !this.error)
+  {
+    this.error = error;
+    this.pause();
+    this.emit('error', error);
+    // send back value only, as expected
+    callback(error, output && output.value);
+    return;
+  }
+
+  // stream stuff
+  this.push(output);
+
+  // back to original track
+  // send back value only, as expected
+  callback(error, output && output.value);
+}
+
+/**
+ * Stream wrapper for finishing callback
+ *
+ * @this  ReadableAsyncKit#
+ * @param {mixed} error - error response
+ * @param {mixed} output - iterator output
+ * @param {function} callback - callback that expects final results
+ */
+function finisher(error, output, callback)
+{
+  // signal end of the stream
+  // only for successfully finished streams
+  if (!error)
+  {
+    this.push(null);
+  }
+
+  // back to original track
+  callback(error, output);
+}
diff --git a/node_modules/asynckit/lib/terminator.js b/node_modules/asynckit/lib/terminator.js
new file mode 100644
index 000000000..d6eb99219
--- /dev/null
+++ b/node_modules/asynckit/lib/terminator.js
@@ -0,0 +1,29 @@
+var abort = require('./abort.js')
+  , async = require('./async.js')
+  ;
+
+// API
+module.exports = terminator;
+
+/**
+ * Terminates jobs in the attached state context
+ *
+ * @this  AsyncKitState#
+ * @param {function} callback - final callback to invoke after termination
+ */
+function terminator(callback)
+{
+  if (!Object.keys(this.jobs).length)
+  {
+    return;
+  }
+
+  // fast forward iteration index
+  this.index = this.size;
+
+  // abort jobs
+  abort(this);
+
+  // send back results we have so far
+  async(callback)(null, this.results);
+}
diff --git a/node_modules/asynckit/package.json b/node_modules/asynckit/package.json
new file mode 100644
index 000000000..51147d656
--- /dev/null
+++ b/node_modules/asynckit/package.json
@@ -0,0 +1,63 @@
+{
+  "name": "asynckit",
+  "version": "0.4.0",
+  "description": "Minimal async jobs utility library, with streams support",
+  "main": "index.js",
+  "scripts": {
+    "clean": "rimraf coverage",
+    "lint": "eslint *.js lib/*.js test/*.js",
+    "test": "istanbul cover --reporter=json tape -- 'test/test-*.js' | tap-spec",
+    "win-test": "tape test/test-*.js",
+    "browser": "browserify -t browserify-istanbul test/lib/browserify_adjustment.js test/test-*.js | obake --coverage | tap-spec",
+    "report": "istanbul report",
+    "size": "browserify index.js | size-table asynckit",
+    "debug": "tape test/test-*.js"
+  },
+  "pre-commit": [
+    "clean",
+    "lint",
+    "test",
+    "browser",
+    "report",
+    "size"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/alexindigo/asynckit.git"
+  },
+  "keywords": [
+    "async",
+    "jobs",
+    "parallel",
+    "serial",
+    "iterator",
+    "array",
+    "object",
+    "stream",
+    "destroy",
+    "terminate",
+    "abort"
+  ],
+  "author": "Alex Indigo <iam@alexindigo.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/alexindigo/asynckit/issues"
+  },
+  "homepage": "https://github.com/alexindigo/asynckit#readme",
+  "devDependencies": {
+    "browserify": "^13.0.0",
+    "browserify-istanbul": "^2.0.0",
+    "coveralls": "^2.11.9",
+    "eslint": "^2.9.0",
+    "istanbul": "^0.4.3",
+    "obake": "^0.1.2",
+    "phantomjs-prebuilt": "^2.1.7",
+    "pre-commit": "^1.1.3",
+    "reamde": "^1.1.0",
+    "rimraf": "^2.5.2",
+    "size-table": "^0.2.0",
+    "tap-spec": "^4.1.1",
+    "tape": "^4.5.1"
+  },
+  "dependencies": {}
+}
diff --git a/node_modules/asynckit/parallel.js b/node_modules/asynckit/parallel.js
new file mode 100644
index 000000000..3c50344d8
--- /dev/null
+++ b/node_modules/asynckit/parallel.js
@@ -0,0 +1,43 @@
+var iterate    = require('./lib/iterate.js')
+  , initState  = require('./lib/state.js')
+  , terminator = require('./lib/terminator.js')
+  ;
+
+// Public API
+module.exports = parallel;
+
+/**
+ * Runs iterator over provided array elements in parallel
+ *
+ * @param   {array|object} list - array or object (named list) to iterate over
+ * @param   {function} iterator - iterator to run
+ * @param   {function} callback - invoked when all elements processed
+ * @returns {function} - jobs terminator
+ */
+function parallel(list, iterator, callback)
+{
+  var state = initState(list);
+
+  while (state.index < (state['keyedList'] || list).length)
+  {
+    iterate(list, iterator, state, function(error, result)
+    {
+      if (error)
+      {
+        callback(error, result);
+        return;
+      }
+
+      // looks like it's the last one
+      if (Object.keys(state.jobs).length === 0)
+      {
+        callback(null, state.results);
+        return;
+      }
+    });
+
+    state.index++;
+  }
+
+  return terminator.bind(state, callback);
+}
diff --git a/node_modules/asynckit/serial.js b/node_modules/asynckit/serial.js
new file mode 100644
index 000000000..6cd949a67
--- /dev/null
+++ b/node_modules/asynckit/serial.js
@@ -0,0 +1,17 @@
+var serialOrdered = require('./serialOrdered.js');
+
+// Public API
+module.exports = serial;
+
+/**
+ * Runs iterator over provided array elements in series
+ *
+ * @param   {array|object} list - array or object (named list) to iterate over
+ * @param   {function} iterator - iterator to run
+ * @param   {function} callback - invoked when all elements processed
+ * @returns {function} - jobs terminator
+ */
+function serial(list, iterator, callback)
+{
+  return serialOrdered(list, iterator, null, callback);
+}
diff --git a/node_modules/asynckit/serialOrdered.js b/node_modules/asynckit/serialOrdered.js
new file mode 100644
index 000000000..607eafea5
--- /dev/null
+++ b/node_modules/asynckit/serialOrdered.js
@@ -0,0 +1,75 @@
+var iterate    = require('./lib/iterate.js')
+  , initState  = require('./lib/state.js')
+  , terminator = require('./lib/terminator.js')
+  ;
+
+// Public API
+module.exports = serialOrdered;
+// sorting helpers
+module.exports.ascending  = ascending;
+module.exports.descending = descending;
+
+/**
+ * Runs iterator over provided sorted array elements in series
+ *
+ * @param   {array|object} list - array or object (named list) to iterate over
+ * @param   {function} iterator - iterator to run
+ * @param   {function} sortMethod - custom sort function
+ * @param   {function} callback - invoked when all elements processed
+ * @returns {function} - jobs terminator
+ */
+function serialOrdered(list, iterator, sortMethod, callback)
+{
+  var state = initState(list, sortMethod);
+
+  iterate(list, iterator, state, function iteratorHandler(error, result)
+  {
+    if (error)
+    {
+      callback(error, result);
+      return;
+    }
+
+    state.index++;
+
+    // are we there yet?
+    if (state.index < (state['keyedList'] || list).length)
+    {
+      iterate(list, iterator, state, iteratorHandler);
+      return;
+    }
+
+    // done here
+    callback(null, state.results);
+  });
+
+  return terminator.bind(state, callback);
+}
+
+/*
+ * -- Sort methods
+ */
+
+/**
+ * sort helper to sort array elements in ascending order
+ *
+ * @param   {mixed} a - an item to compare
+ * @param   {mixed} b - an item to compare
+ * @returns {number} - comparison result
+ */
+function ascending(a, b)
+{
+  return a < b ? -1 : a > b ? 1 : 0;
+}
+
+/**
+ * sort helper to sort array elements in descending order
+ *
+ * @param   {mixed} a - an item to compare
+ * @param   {mixed} b - an item to compare
+ * @returns {number} - comparison result
+ */
+function descending(a, b)
+{
+  return -1 * ascending(a, b);
+}
diff --git a/node_modules/asynckit/stream.js b/node_modules/asynckit/stream.js
new file mode 100644
index 000000000..d43465f90
--- /dev/null
+++ b/node_modules/asynckit/stream.js
@@ -0,0 +1,21 @@
+var inherits              = require('util').inherits
+  , Readable              = require('stream').Readable
+  , ReadableAsyncKit      = require('./lib/readable_asynckit.js')
+  , ReadableParallel      = require('./lib/readable_parallel.js')
+  , ReadableSerial        = require('./lib/readable_serial.js')
+  , ReadableSerialOrdered = require('./lib/readable_serial_ordered.js')
+  ;
+
+// API
+module.exports =
+{
+  parallel      : ReadableParallel,
+  serial        : ReadableSerial,
+  serialOrdered : ReadableSerialOrdered, 
+};
+
+inherits(ReadableAsyncKit, Readable);
+
+inherits(ReadableParallel, ReadableAsyncKit);
+inherits(ReadableSerial, ReadableAsyncKit);
+inherits(ReadableSerialOrdered, ReadableAsyncKit);
diff --git a/node_modules/aws-sign2/LICENSE b/node_modules/aws-sign2/LICENSE
new file mode 100644
index 000000000..a4a9aee0c
--- /dev/null
+++ b/node_modules/aws-sign2/LICENSE
@@ -0,0 +1,55 @@
+Apache License
+
+Version 2.0, January 2004
+
+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+"License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document.
+
+"Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License.
+
+"Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.
+
+"You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
+
+"Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files.
+
+"Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types.
+
+"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below).
+
+"Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof.
+
+"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
+
+"Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work.
+
+2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
+
+3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed.
+
+4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions:
+
+You must give any other recipients of the Work or Derivative Works a copy of this License; and
+
+You must cause any modified files to carry prominent notices stating that You changed the files; and
+
+You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and
+
+If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License. You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License.
+
+5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.
+
+6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.
+
+8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
+
+END OF TERMS AND CONDITIONS
\ No newline at end of file
diff --git a/node_modules/aws-sign2/README.md b/node_modules/aws-sign2/README.md
new file mode 100644
index 000000000..763564e0a
--- /dev/null
+++ b/node_modules/aws-sign2/README.md
@@ -0,0 +1,4 @@
+aws-sign
+========
+
+AWS signing. Originally pulled from LearnBoost/knox, maintained as vendor in request, now a standalone module.
diff --git a/node_modules/aws-sign2/index.js b/node_modules/aws-sign2/index.js
new file mode 100644
index 000000000..fb35f6db0
--- /dev/null
+++ b/node_modules/aws-sign2/index.js
@@ -0,0 +1,212 @@
+
+/*!
+ *  Copyright 2010 LearnBoost <dev@learnboost.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var crypto = require('crypto')
+  , parse = require('url').parse
+  ;
+
+/**
+ * Valid keys.
+ */
+
+var keys = 
+  [ 'acl'
+  , 'location'
+  , 'logging'
+  , 'notification'
+  , 'partNumber'
+  , 'policy'
+  , 'requestPayment'
+  , 'torrent'
+  , 'uploadId'
+  , 'uploads'
+  , 'versionId'
+  , 'versioning'
+  , 'versions'
+  , 'website'
+  ]
+
+/**
+ * Return an "Authorization" header value with the given `options`
+ * in the form of "AWS <key>:<signature>"
+ *
+ * @param {Object} options
+ * @return {String}
+ * @api private
+ */
+
+function authorization (options) {
+  return 'AWS ' + options.key + ':' + sign(options)
+}
+
+module.exports = authorization
+module.exports.authorization = authorization
+
+/**
+ * Simple HMAC-SHA1 Wrapper
+ *
+ * @param {Object} options
+ * @return {String}
+ * @api private
+ */ 
+
+function hmacSha1 (options) {
+  return crypto.createHmac('sha1', options.secret).update(options.message).digest('base64')
+}
+
+module.exports.hmacSha1 = hmacSha1
+
+/**
+ * Create a base64 sha1 HMAC for `options`. 
+ * 
+ * @param {Object} options
+ * @return {String}
+ * @api private
+ */
+
+function sign (options) {
+  options.message = stringToSign(options)
+  return hmacSha1(options)
+}
+module.exports.sign = sign
+
+/**
+ * Create a base64 sha1 HMAC for `options`. 
+ *
+ * Specifically to be used with S3 presigned URLs
+ * 
+ * @param {Object} options
+ * @return {String}
+ * @api private
+ */
+
+function signQuery (options) {
+  options.message = queryStringToSign(options)
+  return hmacSha1(options)
+}
+module.exports.signQuery= signQuery
+
+/**
+ * Return a string for sign() with the given `options`.
+ *
+ * Spec:
+ * 
+ *    <verb>\n
+ *    <md5>\n
+ *    <content-type>\n
+ *    <date>\n
+ *    [headers\n]
+ *    <resource>
+ *
+ * @param {Object} options
+ * @return {String}
+ * @api private
+ */
+
+function stringToSign (options) {
+  var headers = options.amazonHeaders || ''
+  if (headers) headers += '\n'
+  var r = 
+    [ options.verb
+    , options.md5
+    , options.contentType
+    , options.date ? options.date.toUTCString() : ''
+    , headers + options.resource
+    ]
+  return r.join('\n')
+}
+module.exports.stringToSign = stringToSign
+
+/**
+ * Return a string for sign() with the given `options`, but is meant exclusively
+ * for S3 presigned URLs
+ *
+ * Spec:
+ * 
+ *    <date>\n
+ *    <resource>
+ *
+ * @param {Object} options
+ * @return {String}
+ * @api private
+ */
+
+function queryStringToSign (options){
+  return 'GET\n\n\n' + options.date + '\n' + options.resource
+}
+module.exports.queryStringToSign = queryStringToSign
+
+/**
+ * Perform the following:
+ *
+ *  - ignore non-amazon headers
+ *  - lowercase fields
+ *  - sort lexicographically
+ *  - trim whitespace between ":"
+ *  - join with newline
+ *
+ * @param {Object} headers
+ * @return {String}
+ * @api private
+ */
+
+function canonicalizeHeaders (headers) {
+  var buf = []
+    , fields = Object.keys(headers)
+    ;
+  for (var i = 0, len = fields.length; i < len; ++i) {
+    var field = fields[i]
+      , val = headers[field]
+      , field = field.toLowerCase()
+      ;
+    if (0 !== field.indexOf('x-amz')) continue
+    buf.push(field + ':' + val)
+  }
+  return buf.sort().join('\n')
+}
+module.exports.canonicalizeHeaders = canonicalizeHeaders
+
+/**
+ * Perform the following:
+ *
+ *  - ignore non sub-resources
+ *  - sort lexicographically
+ *
+ * @param {String} resource
+ * @return {String}
+ * @api private
+ */
+
+function canonicalizeResource (resource) {
+  var url = parse(resource, true)
+    , path = url.pathname
+    , buf = []
+    ;
+
+  Object.keys(url.query).forEach(function(key){
+    if (!~keys.indexOf(key)) return
+    var val = '' == url.query[key] ? '' : '=' + encodeURIComponent(url.query[key])
+    buf.push(key + val)
+  })
+
+  return path + (buf.length ? '?' + buf.sort().join('&') : '')
+}
+module.exports.canonicalizeResource = canonicalizeResource
diff --git a/node_modules/aws-sign2/package.json b/node_modules/aws-sign2/package.json
new file mode 100644
index 000000000..4c3d57e57
--- /dev/null
+++ b/node_modules/aws-sign2/package.json
@@ -0,0 +1,17 @@
+{
+  "author": "Mikeal Rogers <mikeal.rogers@gmail.com> (http://www.futurealoof.com)",
+  "name": "aws-sign2",
+  "description": "AWS signing. Originally pulled from LearnBoost/knox, maintained as vendor in request, now a standalone module.",
+  "version": "0.7.0",
+  "repository": {
+    "url": "https://github.com/mikeal/aws-sign"
+  },
+  "license": "Apache-2.0",
+  "main": "index.js",
+  "dependencies": {},
+  "devDependencies": {},
+  "optionalDependencies": {},
+  "engines": {
+    "node": "*"
+  }
+}
diff --git a/node_modules/aws4/.github/FUNDING.yml b/node_modules/aws4/.github/FUNDING.yml
new file mode 100644
index 000000000..b7fdd9747
--- /dev/null
+++ b/node_modules/aws4/.github/FUNDING.yml
@@ -0,0 +1,3 @@
+# These are supported funding model platforms
+
+github: mhart
diff --git a/node_modules/aws4/.travis.yml b/node_modules/aws4/.travis.yml
new file mode 100644
index 000000000..178bf31ed
--- /dev/null
+++ b/node_modules/aws4/.travis.yml
@@ -0,0 +1,9 @@
+language: node_js
+node_js:
+  - "0.10"
+  - "0.12"
+  - "4"
+  - "6"
+  - "8"
+  - "10"
+  - "12"
diff --git a/node_modules/aws4/LICENSE b/node_modules/aws4/LICENSE
new file mode 100644
index 000000000..4f321e599
--- /dev/null
+++ b/node_modules/aws4/LICENSE
@@ -0,0 +1,19 @@
+Copyright 2013 Michael Hart (michael.hart.au@gmail.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/aws4/README.md b/node_modules/aws4/README.md
new file mode 100644
index 000000000..7202e452f
--- /dev/null
+++ b/node_modules/aws4/README.md
@@ -0,0 +1,183 @@
+aws4
+----
+
+[![Build Status](https://api.travis-ci.org/mhart/aws4.png?branch=master)](https://travis-ci.org/github/mhart/aws4)
+
+A small utility to sign vanilla Node.js http(s) request options using Amazon's
+[AWS Signature Version 4](https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html).
+
+If you want to sign and send AWS requests in a modern browser, or an environment like [Cloudflare Workers](https://developers.cloudflare.com/workers/), then check out [aws4fetch](https://github.com/mhart/aws4fetch) – otherwise you can also bundle this library for use [in older browsers](./browser).
+
+The only AWS service that *doesn't* support v4 as of 2020-05-22 is
+[SimpleDB](https://docs.aws.amazon.com/AmazonSimpleDB/latest/DeveloperGuide/SDB_API.html)
+(it only supports [AWS Signature Version 2](https://github.com/mhart/aws2)).
+
+It also provides defaults for a number of core AWS headers and
+request parameters, making it very easy to query AWS services, or
+build out a fully-featured AWS library.
+
+Example
+-------
+
+```javascript
+var https = require('https')
+var aws4  = require('aws4')
+
+// to illustrate usage, we'll create a utility function to request and pipe to stdout
+function request(opts) { https.request(opts, function(res) { res.pipe(process.stdout) }).end(opts.body || '') }
+
+// aws4 will sign an options object as you'd pass to http.request, with an AWS service and region
+var opts = { host: 'my-bucket.s3.us-west-1.amazonaws.com', path: '/my-object', service: 's3', region: 'us-west-1' }
+
+// aws4.sign() will sign and modify these options, ready to pass to http.request
+aws4.sign(opts, { accessKeyId: '', secretAccessKey: '' })
+
+// or it can get credentials from process.env.AWS_ACCESS_KEY_ID, etc
+aws4.sign(opts)
+
+// for most AWS services, aws4 can figure out the service and region if you pass a host
+opts = { host: 'my-bucket.s3.us-west-1.amazonaws.com', path: '/my-object' }
+
+// usually it will add/modify request headers, but you can also sign the query:
+opts = { host: 'my-bucket.s3.amazonaws.com', path: '/?X-Amz-Expires=12345', signQuery: true }
+
+// and for services with simple hosts, aws4 can infer the host from service and region:
+opts = { service: 'sqs', region: 'us-east-1', path: '/?Action=ListQueues' }
+
+// and if you're using us-east-1, it's the default:
+opts = { service: 'sqs', path: '/?Action=ListQueues' }
+
+aws4.sign(opts)
+console.log(opts)
+/*
+{
+  host: 'sqs.us-east-1.amazonaws.com',
+  path: '/?Action=ListQueues',
+  headers: {
+    Host: 'sqs.us-east-1.amazonaws.com',
+    'X-Amz-Date': '20121226T061030Z',
+    Authorization: 'AWS4-HMAC-SHA256 Credential=ABCDEF/20121226/us-east-1/sqs/aws4_request, ...'
+  }
+}
+*/
+
+// we can now use this to query AWS
+request(opts)
+/*
+<?xml version="1.0"?>
+<ListQueuesResponse xmlns="https://queue.amazonaws.com/doc/2012-11-05/">
+...
+*/
+
+// aws4 can infer the HTTP method if a body is passed in
+// method will be POST and Content-Type: 'application/x-www-form-urlencoded; charset=utf-8'
+request(aws4.sign({ service: 'iam', body: 'Action=ListGroups&Version=2010-05-08' }))
+/*
+<ListGroupsResponse xmlns="https://iam.amazonaws.com/doc/2010-05-08/">
+...
+*/
+
+// you can specify any custom option or header as per usual
+request(aws4.sign({
+  service: 'dynamodb',
+  region: 'ap-southeast-2',
+  method: 'POST',
+  path: '/',
+  headers: {
+    'Content-Type': 'application/x-amz-json-1.0',
+    'X-Amz-Target': 'DynamoDB_20120810.ListTables'
+  },
+  body: '{}'
+}))
+/*
+{"TableNames":[]}
+...
+*/
+
+// The raw RequestSigner can be used to generate CodeCommit Git passwords
+var signer = new aws4.RequestSigner({
+  service: 'codecommit',
+  host: 'git-codecommit.us-east-1.amazonaws.com',
+  method: 'GIT',
+  path: '/v1/repos/MyAwesomeRepo',
+})
+var password = signer.getDateTime() + 'Z' + signer.signature()
+
+// see example.js for examples with other services
+```
+
+API
+---
+
+### aws4.sign(requestOptions, [credentials])
+
+Calculates and populates any necessary AWS headers and/or request
+options on `requestOptions`. Returns `requestOptions` as a convenience for chaining.
+
+`requestOptions` is an object holding the same options that the Node.js
+[http.request](https://nodejs.org/docs/latest/api/http.html#http_http_request_options_callback)
+function takes.
+
+The following properties of `requestOptions` are used in the signing or
+populated if they don't already exist:
+
+- `hostname` or `host` (will try to be determined from `service` and `region` if not given)
+- `method` (will use `'GET'` if not given or `'POST'` if there is a `body`)
+- `path` (will use `'/'` if not given)
+- `body` (will use `''` if not given)
+- `service` (will try to be calculated from `hostname` or `host` if not given)
+- `region` (will try to be calculated from `hostname` or `host` or use `'us-east-1'` if not given)
+- `signQuery` (to sign the query instead of adding an `Authorization` header, defaults to false)
+- `headers['Host']` (will use `hostname` or `host` or be calculated if not given)
+- `headers['Content-Type']` (will use `'application/x-www-form-urlencoded; charset=utf-8'`
+  if not given and there is a `body`)
+- `headers['Date']` (used to calculate the signature date if given, otherwise `new Date` is used)
+
+Your AWS credentials (which can be found in your
+[AWS console](https://portal.aws.amazon.com/gp/aws/securityCredentials))
+can be specified in one of two ways:
+
+- As the second argument, like this:
+
+```javascript
+aws4.sign(requestOptions, {
+  secretAccessKey: "<your-secret-access-key>",
+  accessKeyId: "<your-access-key-id>",
+  sessionToken: "<your-session-token>"
+})
+```
+
+- From `process.env`, such as this:
+
+```
+export AWS_ACCESS_KEY_ID="<your-access-key-id>"
+export AWS_SECRET_ACCESS_KEY="<your-secret-access-key>"
+export AWS_SESSION_TOKEN="<your-session-token>"
+```
+
+(will also use `AWS_ACCESS_KEY` and `AWS_SECRET_KEY` if available)
+
+The `sessionToken` property and `AWS_SESSION_TOKEN` environment variable are optional for signing
+with [IAM STS temporary credentials](https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_use-resources.html).
+
+Installation
+------------
+
+With [npm](https://www.npmjs.com/) do:
+
+```
+npm install aws4
+```
+
+Can also be used [in the browser](./browser).
+
+Thanks
+------
+
+Thanks to [@jed](https://github.com/jed) for his
+[dynamo-client](https://github.com/jed/dynamo-client) lib where I first
+committed and subsequently extracted this code.
+
+Also thanks to the
+[official Node.js AWS SDK](https://github.com/aws/aws-sdk-js) for giving
+me a start on implementing the v4 signature.
diff --git a/node_modules/aws4/aws4.js b/node_modules/aws4/aws4.js
new file mode 100644
index 000000000..b99b319f8
--- /dev/null
+++ b/node_modules/aws4/aws4.js
@@ -0,0 +1,373 @@
+var aws4 = exports,
+    url = require('url'),
+    querystring = require('querystring'),
+    crypto = require('crypto'),
+    lru = require('./lru'),
+    credentialsCache = lru(1000)
+
+// http://docs.amazonwebservices.com/general/latest/gr/signature-version-4.html
+
+function hmac(key, string, encoding) {
+  return crypto.createHmac('sha256', key).update(string, 'utf8').digest(encoding)
+}
+
+function hash(string, encoding) {
+  return crypto.createHash('sha256').update(string, 'utf8').digest(encoding)
+}
+
+// This function assumes the string has already been percent encoded
+function encodeRfc3986(urlEncodedString) {
+  return urlEncodedString.replace(/[!'()*]/g, function(c) {
+    return '%' + c.charCodeAt(0).toString(16).toUpperCase()
+  })
+}
+
+function encodeRfc3986Full(str) {
+  return encodeRfc3986(encodeURIComponent(str))
+}
+
+// A bit of a combination of:
+// https://github.com/aws/aws-sdk-java-v2/blob/dc695de6ab49ad03934e1b02e7263abbd2354be0/core/auth/src/main/java/software/amazon/awssdk/auth/signer/internal/AbstractAws4Signer.java#L59
+// https://github.com/aws/aws-sdk-js/blob/18cb7e5b463b46239f9fdd4a65e2ff8c81831e8f/lib/signers/v4.js#L191-L199
+// https://github.com/mhart/aws4fetch/blob/b3aed16b6f17384cf36ea33bcba3c1e9f3bdfefd/src/main.js#L25-L34
+var HEADERS_TO_IGNORE = {
+  'authorization': true,
+  'connection': true,
+  'x-amzn-trace-id': true,
+  'user-agent': true,
+  'expect': true,
+  'presigned-expires': true,
+  'range': true,
+}
+
+// request: { path | body, [host], [method], [headers], [service], [region] }
+// credentials: { accessKeyId, secretAccessKey, [sessionToken] }
+function RequestSigner(request, credentials) {
+
+  if (typeof request === 'string') request = url.parse(request)
+
+  var headers = request.headers = (request.headers || {}),
+      hostParts = (!this.service || !this.region) && this.matchHost(request.hostname || request.host || headers.Host || headers.host)
+
+  this.request = request
+  this.credentials = credentials || this.defaultCredentials()
+
+  this.service = request.service || hostParts[0] || ''
+  this.region = request.region || hostParts[1] || 'us-east-1'
+
+  // SES uses a different domain from the service name
+  if (this.service === 'email') this.service = 'ses'
+
+  if (!request.method && request.body)
+    request.method = 'POST'
+
+  if (!headers.Host && !headers.host) {
+    headers.Host = request.hostname || request.host || this.createHost()
+
+    // If a port is specified explicitly, use it as is
+    if (request.port)
+      headers.Host += ':' + request.port
+  }
+  if (!request.hostname && !request.host)
+    request.hostname = headers.Host || headers.host
+
+  this.isCodeCommitGit = this.service === 'codecommit' && request.method === 'GIT'
+}
+
+RequestSigner.prototype.matchHost = function(host) {
+  var match = (host || '').match(/([^\.]+)\.(?:([^\.]*)\.)?amazonaws\.com(\.cn)?$/)
+  var hostParts = (match || []).slice(1, 3)
+
+  // ES's hostParts are sometimes the other way round, if the value that is expected
+  // to be region equals ‘es’ switch them back
+  // e.g. search-cluster-name-aaaa00aaaa0aaa0aaaaaaa0aaa.us-east-1.es.amazonaws.com
+  if (hostParts[1] === 'es')
+    hostParts = hostParts.reverse()
+
+  if (hostParts[1] == 's3') {
+    hostParts[0] = 's3'
+    hostParts[1] = 'us-east-1'
+  } else {
+    for (var i = 0; i < 2; i++) {
+      if (/^s3-/.test(hostParts[i])) {
+        hostParts[1] = hostParts[i].slice(3)
+        hostParts[0] = 's3'
+        break
+      }
+    }
+  }
+
+  return hostParts
+}
+
+// http://docs.aws.amazon.com/general/latest/gr/rande.html
+RequestSigner.prototype.isSingleRegion = function() {
+  // Special case for S3 and SimpleDB in us-east-1
+  if (['s3', 'sdb'].indexOf(this.service) >= 0 && this.region === 'us-east-1') return true
+
+  return ['cloudfront', 'ls', 'route53', 'iam', 'importexport', 'sts']
+    .indexOf(this.service) >= 0
+}
+
+RequestSigner.prototype.createHost = function() {
+  var region = this.isSingleRegion() ? '' : '.' + this.region,
+      subdomain = this.service === 'ses' ? 'email' : this.service
+  return subdomain + region + '.amazonaws.com'
+}
+
+RequestSigner.prototype.prepareRequest = function() {
+  this.parsePath()
+
+  var request = this.request, headers = request.headers, query
+
+  if (request.signQuery) {
+
+    this.parsedPath.query = query = this.parsedPath.query || {}
+
+    if (this.credentials.sessionToken)
+      query['X-Amz-Security-Token'] = this.credentials.sessionToken
+
+    if (this.service === 's3' && !query['X-Amz-Expires'])
+      query['X-Amz-Expires'] = 86400
+
+    if (query['X-Amz-Date'])
+      this.datetime = query['X-Amz-Date']
+    else
+      query['X-Amz-Date'] = this.getDateTime()
+
+    query['X-Amz-Algorithm'] = 'AWS4-HMAC-SHA256'
+    query['X-Amz-Credential'] = this.credentials.accessKeyId + '/' + this.credentialString()
+    query['X-Amz-SignedHeaders'] = this.signedHeaders()
+
+  } else {
+
+    if (!request.doNotModifyHeaders && !this.isCodeCommitGit) {
+      if (request.body && !headers['Content-Type'] && !headers['content-type'])
+        headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=utf-8'
+
+      if (request.body && !headers['Content-Length'] && !headers['content-length'])
+        headers['Content-Length'] = Buffer.byteLength(request.body)
+
+      if (this.credentials.sessionToken && !headers['X-Amz-Security-Token'] && !headers['x-amz-security-token'])
+        headers['X-Amz-Security-Token'] = this.credentials.sessionToken
+
+      if (this.service === 's3' && !headers['X-Amz-Content-Sha256'] && !headers['x-amz-content-sha256'])
+        headers['X-Amz-Content-Sha256'] = hash(this.request.body || '', 'hex')
+
+      if (headers['X-Amz-Date'] || headers['x-amz-date'])
+        this.datetime = headers['X-Amz-Date'] || headers['x-amz-date']
+      else
+        headers['X-Amz-Date'] = this.getDateTime()
+    }
+
+    delete headers.Authorization
+    delete headers.authorization
+  }
+}
+
+RequestSigner.prototype.sign = function() {
+  if (!this.parsedPath) this.prepareRequest()
+
+  if (this.request.signQuery) {
+    this.parsedPath.query['X-Amz-Signature'] = this.signature()
+  } else {
+    this.request.headers.Authorization = this.authHeader()
+  }
+
+  this.request.path = this.formatPath()
+
+  return this.request
+}
+
+RequestSigner.prototype.getDateTime = function() {
+  if (!this.datetime) {
+    var headers = this.request.headers,
+      date = new Date(headers.Date || headers.date || new Date)
+
+    this.datetime = date.toISOString().replace(/[:\-]|\.\d{3}/g, '')
+
+    // Remove the trailing 'Z' on the timestamp string for CodeCommit git access
+    if (this.isCodeCommitGit) this.datetime = this.datetime.slice(0, -1)
+  }
+  return this.datetime
+}
+
+RequestSigner.prototype.getDate = function() {
+  return this.getDateTime().substr(0, 8)
+}
+
+RequestSigner.prototype.authHeader = function() {
+  return [
+    'AWS4-HMAC-SHA256 Credential=' + this.credentials.accessKeyId + '/' + this.credentialString(),
+    'SignedHeaders=' + this.signedHeaders(),
+    'Signature=' + this.signature(),
+  ].join(', ')
+}
+
+RequestSigner.prototype.signature = function() {
+  var date = this.getDate(),
+      cacheKey = [this.credentials.secretAccessKey, date, this.region, this.service].join(),
+      kDate, kRegion, kService, kCredentials = credentialsCache.get(cacheKey)
+  if (!kCredentials) {
+    kDate = hmac('AWS4' + this.credentials.secretAccessKey, date)
+    kRegion = hmac(kDate, this.region)
+    kService = hmac(kRegion, this.service)
+    kCredentials = hmac(kService, 'aws4_request')
+    credentialsCache.set(cacheKey, kCredentials)
+  }
+  return hmac(kCredentials, this.stringToSign(), 'hex')
+}
+
+RequestSigner.prototype.stringToSign = function() {
+  return [
+    'AWS4-HMAC-SHA256',
+    this.getDateTime(),
+    this.credentialString(),
+    hash(this.canonicalString(), 'hex'),
+  ].join('\n')
+}
+
+RequestSigner.prototype.canonicalString = function() {
+  if (!this.parsedPath) this.prepareRequest()
+
+  var pathStr = this.parsedPath.path,
+      query = this.parsedPath.query,
+      headers = this.request.headers,
+      queryStr = '',
+      normalizePath = this.service !== 's3',
+      decodePath = this.service === 's3' || this.request.doNotEncodePath,
+      decodeSlashesInPath = this.service === 's3',
+      firstValOnly = this.service === 's3',
+      bodyHash
+
+  if (this.service === 's3' && this.request.signQuery) {
+    bodyHash = 'UNSIGNED-PAYLOAD'
+  } else if (this.isCodeCommitGit) {
+    bodyHash = ''
+  } else {
+    bodyHash = headers['X-Amz-Content-Sha256'] || headers['x-amz-content-sha256'] ||
+      hash(this.request.body || '', 'hex')
+  }
+
+  if (query) {
+    var reducedQuery = Object.keys(query).reduce(function(obj, key) {
+      if (!key) return obj
+      obj[encodeRfc3986Full(key)] = !Array.isArray(query[key]) ? query[key] :
+        (firstValOnly ? query[key][0] : query[key])
+      return obj
+    }, {})
+    var encodedQueryPieces = []
+    Object.keys(reducedQuery).sort().forEach(function(key) {
+      if (!Array.isArray(reducedQuery[key])) {
+        encodedQueryPieces.push(key + '=' + encodeRfc3986Full(reducedQuery[key]))
+      } else {
+        reducedQuery[key].map(encodeRfc3986Full).sort()
+          .forEach(function(val) { encodedQueryPieces.push(key + '=' + val) })
+      }
+    })
+    queryStr = encodedQueryPieces.join('&')
+  }
+  if (pathStr !== '/') {
+    if (normalizePath) pathStr = pathStr.replace(/\/{2,}/g, '/')
+    pathStr = pathStr.split('/').reduce(function(path, piece) {
+      if (normalizePath && piece === '..') {
+        path.pop()
+      } else if (!normalizePath || piece !== '.') {
+        if (decodePath) piece = decodeURIComponent(piece.replace(/\+/g, ' '))
+        path.push(encodeRfc3986Full(piece))
+      }
+      return path
+    }, []).join('/')
+    if (pathStr[0] !== '/') pathStr = '/' + pathStr
+    if (decodeSlashesInPath) pathStr = pathStr.replace(/%2F/g, '/')
+  }
+
+  return [
+    this.request.method || 'GET',
+    pathStr,
+    queryStr,
+    this.canonicalHeaders() + '\n',
+    this.signedHeaders(),
+    bodyHash,
+  ].join('\n')
+}
+
+RequestSigner.prototype.canonicalHeaders = function() {
+  var headers = this.request.headers
+  function trimAll(header) {
+    return header.toString().trim().replace(/\s+/g, ' ')
+  }
+  return Object.keys(headers)
+    .filter(function(key) { return HEADERS_TO_IGNORE[key.toLowerCase()] == null })
+    .sort(function(a, b) { return a.toLowerCase() < b.toLowerCase() ? -1 : 1 })
+    .map(function(key) { return key.toLowerCase() + ':' + trimAll(headers[key]) })
+    .join('\n')
+}
+
+RequestSigner.prototype.signedHeaders = function() {
+  return Object.keys(this.request.headers)
+    .map(function(key) { return key.toLowerCase() })
+    .filter(function(key) { return HEADERS_TO_IGNORE[key] == null })
+    .sort()
+    .join(';')
+}
+
+RequestSigner.prototype.credentialString = function() {
+  return [
+    this.getDate(),
+    this.region,
+    this.service,
+    'aws4_request',
+  ].join('/')
+}
+
+RequestSigner.prototype.defaultCredentials = function() {
+  var env = process.env
+  return {
+    accessKeyId: env.AWS_ACCESS_KEY_ID || env.AWS_ACCESS_KEY,
+    secretAccessKey: env.AWS_SECRET_ACCESS_KEY || env.AWS_SECRET_KEY,
+    sessionToken: env.AWS_SESSION_TOKEN,
+  }
+}
+
+RequestSigner.prototype.parsePath = function() {
+  var path = this.request.path || '/'
+
+  // S3 doesn't always encode characters > 127 correctly and
+  // all services don't encode characters > 255 correctly
+  // So if there are non-reserved chars (and it's not already all % encoded), just encode them all
+  if (/[^0-9A-Za-z;,/?:@&=+$\-_.!~*'()#%]/.test(path)) {
+    path = encodeURI(decodeURI(path))
+  }
+
+  var queryIx = path.indexOf('?'),
+      query = null
+
+  if (queryIx >= 0) {
+    query = querystring.parse(path.slice(queryIx + 1))
+    path = path.slice(0, queryIx)
+  }
+
+  this.parsedPath = {
+    path: path,
+    query: query,
+  }
+}
+
+RequestSigner.prototype.formatPath = function() {
+  var path = this.parsedPath.path,
+      query = this.parsedPath.query
+
+  if (!query) return path
+
+  // Services don't support empty query string keys
+  if (query[''] != null) delete query['']
+
+  return path + '?' + encodeRfc3986(querystring.stringify(query))
+}
+
+aws4.RequestSigner = RequestSigner
+
+aws4.sign = function(request, credentials) {
+  return new RequestSigner(request, credentials).sign()
+}
diff --git a/node_modules/aws4/lru.js b/node_modules/aws4/lru.js
new file mode 100644
index 000000000..333f66a44
--- /dev/null
+++ b/node_modules/aws4/lru.js
@@ -0,0 +1,96 @@
+module.exports = function(size) {
+  return new LruCache(size)
+}
+
+function LruCache(size) {
+  this.capacity = size | 0
+  this.map = Object.create(null)
+  this.list = new DoublyLinkedList()
+}
+
+LruCache.prototype.get = function(key) {
+  var node = this.map[key]
+  if (node == null) return undefined
+  this.used(node)
+  return node.val
+}
+
+LruCache.prototype.set = function(key, val) {
+  var node = this.map[key]
+  if (node != null) {
+    node.val = val
+  } else {
+    if (!this.capacity) this.prune()
+    if (!this.capacity) return false
+    node = new DoublyLinkedNode(key, val)
+    this.map[key] = node
+    this.capacity--
+  }
+  this.used(node)
+  return true
+}
+
+LruCache.prototype.used = function(node) {
+  this.list.moveToFront(node)
+}
+
+LruCache.prototype.prune = function() {
+  var node = this.list.pop()
+  if (node != null) {
+    delete this.map[node.key]
+    this.capacity++
+  }
+}
+
+
+function DoublyLinkedList() {
+  this.firstNode = null
+  this.lastNode = null
+}
+
+DoublyLinkedList.prototype.moveToFront = function(node) {
+  if (this.firstNode == node) return
+
+  this.remove(node)
+
+  if (this.firstNode == null) {
+    this.firstNode = node
+    this.lastNode = node
+    node.prev = null
+    node.next = null
+  } else {
+    node.prev = null
+    node.next = this.firstNode
+    node.next.prev = node
+    this.firstNode = node
+  }
+}
+
+DoublyLinkedList.prototype.pop = function() {
+  var lastNode = this.lastNode
+  if (lastNode != null) {
+    this.remove(lastNode)
+  }
+  return lastNode
+}
+
+DoublyLinkedList.prototype.remove = function(node) {
+  if (this.firstNode == node) {
+    this.firstNode = node.next
+  } else if (node.prev != null) {
+    node.prev.next = node.next
+  }
+  if (this.lastNode == node) {
+    this.lastNode = node.prev
+  } else if (node.next != null) {
+    node.next.prev = node.prev
+  }
+}
+
+
+function DoublyLinkedNode(key, val) {
+  this.key = key
+  this.val = val
+  this.prev = null
+  this.next = null
+}
diff --git a/node_modules/aws4/package.json b/node_modules/aws4/package.json
new file mode 100644
index 000000000..424598d4a
--- /dev/null
+++ b/node_modules/aws4/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "aws4",
+  "version": "1.11.0",
+  "description": "Signs and prepares requests using AWS Signature Version 4",
+  "author": "Michael Hart <michael.hart.au@gmail.com> (https://github.com/mhart)",
+  "license": "MIT",
+  "repository": "github:mhart/aws4",
+  "main": "aws4.js",
+  "scripts": {
+    "test": "mocha ./test/fast.js -R list",
+    "integration": "node ./test/slow.js"
+  },
+  "devDependencies": {
+    "mocha": "^2.5.3",
+    "should": "^8.4.0"
+  }
+}
diff --git a/node_modules/base64-js/LICENSE b/node_modules/base64-js/LICENSE
new file mode 100644
index 000000000..6d52b8acf
--- /dev/null
+++ b/node_modules/base64-js/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Jameson Little
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/base64-js/README.md b/node_modules/base64-js/README.md
new file mode 100644
index 000000000..b42a48f41
--- /dev/null
+++ b/node_modules/base64-js/README.md
@@ -0,0 +1,34 @@
+base64-js
+=========
+
+`base64-js` does basic base64 encoding/decoding in pure JS.
+
+[![build status](https://secure.travis-ci.org/beatgammit/base64-js.png)](http://travis-ci.org/beatgammit/base64-js)
+
+Many browsers already have base64 encoding/decoding functionality, but it is for text data, not all-purpose binary data.
+
+Sometimes encoding/decoding binary data in the browser is useful, and that is what this module does.
+
+## install
+
+With [npm](https://npmjs.org) do:
+
+`npm install base64-js` and `var base64js = require('base64-js')`
+
+For use in web browsers do:
+
+`<script src="base64js.min.js"></script>`
+
+[Get supported base64-js with the Tidelift Subscription](https://tidelift.com/subscription/pkg/npm-base64-js?utm_source=npm-base64-js&utm_medium=referral&utm_campaign=readme)
+
+## methods
+
+`base64js` has three exposed functions, `byteLength`, `toByteArray` and `fromByteArray`, which both take a single argument.
+
+* `byteLength` - Takes a base64 string and returns length of byte array
+* `toByteArray` - Takes a base64 string and returns a byte array
+* `fromByteArray` - Takes a byte array and returns a base64 string
+
+## license
+
+MIT
diff --git a/node_modules/base64-js/base64js.min.js b/node_modules/base64-js/base64js.min.js
new file mode 100644
index 000000000..908ac83fd
--- /dev/null
+++ b/node_modules/base64-js/base64js.min.js
@@ -0,0 +1 @@
+(function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"==typeof window?"undefined"==typeof global?"undefined"==typeof self?this:self:global:window,b.base64js=a()}})(function(){return function(){function b(d,e,g){function a(j,i){if(!e[j]){if(!d[j]){var f="function"==typeof require&&require;if(!i&&f)return f(j,!0);if(h)return h(j,!0);var c=new Error("Cannot find module '"+j+"'");throw c.code="MODULE_NOT_FOUND",c}var k=e[j]={exports:{}};d[j][0].call(k.exports,function(b){var c=d[j][1][b];return a(c||b)},k,k.exports,b,d,e,g)}return e[j].exports}for(var h="function"==typeof require&&require,c=0;c<g.length;c++)a(g[c]);return a}return b}()({"/":[function(a,b,c){'use strict';function d(a){var b=a.length;if(0<b%4)throw new Error("Invalid string. Length must be a multiple of 4");var c=a.indexOf("=");-1===c&&(c=b);var d=c===b?0:4-c%4;return[c,d]}function e(a,b,c){return 3*(b+c)/4-c}function f(a){var b,c,f=d(a),g=f[0],h=f[1],j=new m(e(a,g,h)),k=0,n=0<h?g-4:g;for(c=0;c<n;c+=4)b=l[a.charCodeAt(c)]<<18|l[a.charCodeAt(c+1)]<<12|l[a.charCodeAt(c+2)]<<6|l[a.charCodeAt(c+3)],j[k++]=255&b>>16,j[k++]=255&b>>8,j[k++]=255&b;return 2===h&&(b=l[a.charCodeAt(c)]<<2|l[a.charCodeAt(c+1)]>>4,j[k++]=255&b),1===h&&(b=l[a.charCodeAt(c)]<<10|l[a.charCodeAt(c+1)]<<4|l[a.charCodeAt(c+2)]>>2,j[k++]=255&b>>8,j[k++]=255&b),j}function g(a){return k[63&a>>18]+k[63&a>>12]+k[63&a>>6]+k[63&a]}function h(a,b,c){for(var d,e=[],f=b;f<c;f+=3)d=(16711680&a[f]<<16)+(65280&a[f+1]<<8)+(255&a[f+2]),e.push(g(d));return e.join("")}function j(a){for(var b,c=a.length,d=c%3,e=[],f=16383,g=0,j=c-d;g<j;g+=f)e.push(h(a,g,g+f>j?j:g+f));return 1===d?(b=a[c-1],e.push(k[b>>2]+k[63&b<<4]+"==")):2===d&&(b=(a[c-2]<<8)+a[c-1],e.push(k[b>>10]+k[63&b>>4]+k[63&b<<2]+"=")),e.join("")}c.byteLength=function(a){var b=d(a),c=b[0],e=b[1];return 3*(c+e)/4-e},c.toByteArray=f,c.fromByteArray=j;for(var k=[],l=[],m="undefined"==typeof Uint8Array?Array:Uint8Array,n="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",o=0,p=n.length;o<p;++o)k[o]=n[o],l[n.charCodeAt(o)]=o;l[45]=62,l[95]=63},{}]},{},[])("/")});
\ No newline at end of file
diff --git a/node_modules/base64-js/index.d.ts b/node_modules/base64-js/index.d.ts
new file mode 100644
index 000000000..7d9fa1d97
--- /dev/null
+++ b/node_modules/base64-js/index.d.ts
@@ -0,0 +1,3 @@
+export function byteLength(b64: string): number;
+export function toByteArray(b64: string): Uint8Array;
+export function fromByteArray(uint8: Uint8Array): string;
diff --git a/node_modules/base64-js/index.js b/node_modules/base64-js/index.js
new file mode 100644
index 000000000..0599f3e4a
--- /dev/null
+++ b/node_modules/base64-js/index.js
@@ -0,0 +1,150 @@
+'use strict'
+
+exports.byteLength = byteLength
+exports.toByteArray = toByteArray
+exports.fromByteArray = fromByteArray
+
+var lookup = []
+var revLookup = []
+var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
+
+var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+for (var i = 0, len = code.length; i < len; ++i) {
+  lookup[i] = code[i]
+  revLookup[code.charCodeAt(i)] = i
+}
+
+// Support decoding URL-safe base64 strings, as Node.js does.
+// See: https://en.wikipedia.org/wiki/Base64#URL_applications
+revLookup['-'.charCodeAt(0)] = 62
+revLookup['_'.charCodeAt(0)] = 63
+
+function getLens (b64) {
+  var len = b64.length
+
+  if (len % 4 > 0) {
+    throw new Error('Invalid string. Length must be a multiple of 4')
+  }
+
+  // Trim off extra bytes after placeholder bytes are found
+  // See: https://github.com/beatgammit/base64-js/issues/42
+  var validLen = b64.indexOf('=')
+  if (validLen === -1) validLen = len
+
+  var placeHoldersLen = validLen === len
+    ? 0
+    : 4 - (validLen % 4)
+
+  return [validLen, placeHoldersLen]
+}
+
+// base64 is 4/3 + up to two characters of the original data
+function byteLength (b64) {
+  var lens = getLens(b64)
+  var validLen = lens[0]
+  var placeHoldersLen = lens[1]
+  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
+}
+
+function _byteLength (b64, validLen, placeHoldersLen) {
+  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
+}
+
+function toByteArray (b64) {
+  var tmp
+  var lens = getLens(b64)
+  var validLen = lens[0]
+  var placeHoldersLen = lens[1]
+
+  var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen))
+
+  var curByte = 0
+
+  // if there are placeholders, only get up to the last complete 4 chars
+  var len = placeHoldersLen > 0
+    ? validLen - 4
+    : validLen
+
+  var i
+  for (i = 0; i < len; i += 4) {
+    tmp =
+      (revLookup[b64.charCodeAt(i)] << 18) |
+      (revLookup[b64.charCodeAt(i + 1)] << 12) |
+      (revLookup[b64.charCodeAt(i + 2)] << 6) |
+      revLookup[b64.charCodeAt(i + 3)]
+    arr[curByte++] = (tmp >> 16) & 0xFF
+    arr[curByte++] = (tmp >> 8) & 0xFF
+    arr[curByte++] = tmp & 0xFF
+  }
+
+  if (placeHoldersLen === 2) {
+    tmp =
+      (revLookup[b64.charCodeAt(i)] << 2) |
+      (revLookup[b64.charCodeAt(i + 1)] >> 4)
+    arr[curByte++] = tmp & 0xFF
+  }
+
+  if (placeHoldersLen === 1) {
+    tmp =
+      (revLookup[b64.charCodeAt(i)] << 10) |
+      (revLookup[b64.charCodeAt(i + 1)] << 4) |
+      (revLookup[b64.charCodeAt(i + 2)] >> 2)
+    arr[curByte++] = (tmp >> 8) & 0xFF
+    arr[curByte++] = tmp & 0xFF
+  }
+
+  return arr
+}
+
+function tripletToBase64 (num) {
+  return lookup[num >> 18 & 0x3F] +
+    lookup[num >> 12 & 0x3F] +
+    lookup[num >> 6 & 0x3F] +
+    lookup[num & 0x3F]
+}
+
+function encodeChunk (uint8, start, end) {
+  var tmp
+  var output = []
+  for (var i = start; i < end; i += 3) {
+    tmp =
+      ((uint8[i] << 16) & 0xFF0000) +
+      ((uint8[i + 1] << 8) & 0xFF00) +
+      (uint8[i + 2] & 0xFF)
+    output.push(tripletToBase64(tmp))
+  }
+  return output.join('')
+}
+
+function fromByteArray (uint8) {
+  var tmp
+  var len = uint8.length
+  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
+  var parts = []
+  var maxChunkLength = 16383 // must be multiple of 3
+
+  // go through the array every three bytes, we'll deal with trailing stuff later
+  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
+  }
+
+  // pad the end with zeros, but make sure to not forget the extra bytes
+  if (extraBytes === 1) {
+    tmp = uint8[len - 1]
+    parts.push(
+      lookup[tmp >> 2] +
+      lookup[(tmp << 4) & 0x3F] +
+      '=='
+    )
+  } else if (extraBytes === 2) {
+    tmp = (uint8[len - 2] << 8) + uint8[len - 1]
+    parts.push(
+      lookup[tmp >> 10] +
+      lookup[(tmp >> 4) & 0x3F] +
+      lookup[(tmp << 2) & 0x3F] +
+      '='
+    )
+  }
+
+  return parts.join('')
+}
diff --git a/node_modules/base64-js/package.json b/node_modules/base64-js/package.json
new file mode 100644
index 000000000..c3972e39f
--- /dev/null
+++ b/node_modules/base64-js/package.json
@@ -0,0 +1,47 @@
+{
+  "name": "base64-js",
+  "description": "Base64 encoding/decoding in pure JS",
+  "version": "1.5.1",
+  "author": "T. Jameson Little <t.jameson.little@gmail.com>",
+  "typings": "index.d.ts",
+  "bugs": {
+    "url": "https://github.com/beatgammit/base64-js/issues"
+  },
+  "devDependencies": {
+    "babel-minify": "^0.5.1",
+    "benchmark": "^2.1.4",
+    "browserify": "^16.3.0",
+    "standard": "*",
+    "tape": "4.x"
+  },
+  "homepage": "https://github.com/beatgammit/base64-js",
+  "keywords": [
+    "base64"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/beatgammit/base64-js.git"
+  },
+  "scripts": {
+    "build": "browserify -s base64js -r ./ | minify > base64js.min.js",
+    "lint": "standard",
+    "test": "npm run lint && npm run unit",
+    "unit": "tape test/*.js"
+  },
+  "funding": [
+    {
+      "type": "github",
+      "url": "https://github.com/sponsors/feross"
+    },
+    {
+      "type": "patreon",
+      "url": "https://www.patreon.com/feross"
+    },
+    {
+      "type": "consulting",
+      "url": "https://feross.org/support"
+    }
+  ]
+}
diff --git a/node_modules/base64url/LICENSE b/node_modules/base64url/LICENSE
new file mode 100644
index 000000000..bca88ce80
--- /dev/null
+++ b/node_modules/base64url/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) 2013–2016 Brian J. Brennan
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/base64url/dist/.gitkeep b/node_modules/base64url/dist/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/node_modules/base64url/dist/base64url.d.ts b/node_modules/base64url/dist/base64url.d.ts
new file mode 100644
index 000000000..f3b828b10
--- /dev/null
+++ b/node_modules/base64url/dist/base64url.d.ts
@@ -0,0 +1,11 @@
+/// <reference types="node" />
+export interface Base64Url {
+    (input: string | Buffer, encoding?: string): string;
+    encode(input: string | Buffer, encoding?: string): string;
+    decode(base64url: string, encoding?: string): string;
+    toBase64(base64url: string | Buffer): string;
+    fromBase64(base64: string): string;
+    toBuffer(base64url: string): Buffer;
+}
+declare let base64url: Base64Url;
+export default base64url;
diff --git a/node_modules/base64url/dist/base64url.js b/node_modules/base64url/dist/base64url.js
new file mode 100644
index 000000000..e0897b0d3
--- /dev/null
+++ b/node_modules/base64url/dist/base64url.js
@@ -0,0 +1,37 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var pad_string_1 = require("./pad-string");
+function encode(input, encoding) {
+    if (encoding === void 0) { encoding = "utf8"; }
+    if (Buffer.isBuffer(input)) {
+        return fromBase64(input.toString("base64"));
+    }
+    return fromBase64(Buffer.from(input, encoding).toString("base64"));
+}
+;
+function decode(base64url, encoding) {
+    if (encoding === void 0) { encoding = "utf8"; }
+    return Buffer.from(toBase64(base64url), "base64").toString(encoding);
+}
+function toBase64(base64url) {
+    base64url = base64url.toString();
+    return pad_string_1.default(base64url)
+        .replace(/\-/g, "+")
+        .replace(/_/g, "/");
+}
+function fromBase64(base64) {
+    return base64
+        .replace(/=/g, "")
+        .replace(/\+/g, "-")
+        .replace(/\//g, "_");
+}
+function toBuffer(base64url) {
+    return Buffer.from(toBase64(base64url), "base64");
+}
+var base64url = encode;
+base64url.encode = encode;
+base64url.decode = decode;
+base64url.toBase64 = toBase64;
+base64url.fromBase64 = fromBase64;
+base64url.toBuffer = toBuffer;
+exports.default = base64url;
diff --git a/node_modules/base64url/dist/pad-string.d.ts b/node_modules/base64url/dist/pad-string.d.ts
new file mode 100644
index 000000000..1f692ecde
--- /dev/null
+++ b/node_modules/base64url/dist/pad-string.d.ts
@@ -0,0 +1 @@
+export default function padString(input: string): string;
diff --git a/node_modules/base64url/dist/pad-string.js b/node_modules/base64url/dist/pad-string.js
new file mode 100644
index 000000000..638e25b62
--- /dev/null
+++ b/node_modules/base64url/dist/pad-string.js
@@ -0,0 +1,20 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+function padString(input) {
+    var segmentLength = 4;
+    var stringLength = input.length;
+    var diff = stringLength % segmentLength;
+    if (!diff) {
+        return input;
+    }
+    var position = stringLength;
+    var padLength = segmentLength - diff;
+    var paddedStringLength = stringLength + padLength;
+    var buffer = Buffer.alloc(paddedStringLength);
+    buffer.write(input);
+    while (padLength--) {
+        buffer.write("=", position++);
+    }
+    return buffer.toString();
+}
+exports.default = padString;
diff --git a/node_modules/base64url/index.js b/node_modules/base64url/index.js
new file mode 100644
index 000000000..85e5831ea
--- /dev/null
+++ b/node_modules/base64url/index.js
@@ -0,0 +1,2 @@
+module.exports = require('./dist/base64url').default;
+module.exports.default = module.exports;
diff --git a/node_modules/base64url/package.json b/node_modules/base64url/package.json
new file mode 100644
index 000000000..bb392c2bb
--- /dev/null
+++ b/node_modules/base64url/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "base64url",
+  "version": "3.0.1",
+  "description": "For encoding to/from base64urls",
+  "main": "index.js",
+  "types": "./dist/base64url.d.ts",
+  "files": [
+    "dist/",
+    "index.js"
+  ],
+  "scripts": {
+    "build": "tsc",
+    "clean": "rm -f dist/*",
+    "test": "npm run clean && npm run build && tap test/*.test.js",
+    "prepublishOnly": "npm run test"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/brianloveswords/base64url.git"
+  },
+  "keywords": [
+    "base64",
+    "base64url"
+  ],
+  "author": "Brian J Brennan",
+  "license": "MIT",
+  "readmeFilename": "README.md",
+  "engines": {
+    "node": ">=6.0.0"
+  },
+  "devDependencies": {
+    "@types/node": "^10.0.0",
+    "tap": "^12.1.0"
+  }
+}
diff --git a/node_modules/base64url/readme.md b/node_modules/base64url/readme.md
new file mode 100644
index 000000000..eb7a6e7bd
--- /dev/null
+++ b/node_modules/base64url/readme.md
@@ -0,0 +1,127 @@
+# base64url  [![Build Status](https://secure.travis-ci.org/brianloveswords/base64url.png)](http://travis-ci.org/brianloveswords/base64url)
+
+Converting to, and from, [base64url](http://en.wikipedia.org/wiki/Base64#RFC_4648)
+
+# Install
+
+```bash
+$ npm install base64url
+```
+
+After installing with `npm` you can require this library from JavaScript or TypeScript:
+
+JavaScript
+```js
+const base64url = require('base64url');
+```
+
+TypeScript:
+```typescript
+import base64url from "base64url";
+```
+
+# Usage
+
+## CLI
+
+The CLI has been removed. For the time being, please install `base64url@1.0.6` if you need the CLI.
+
+## Library
+
+### base64url(input: string | Buffer, encoding: string = "utf8"): string
+
+### base64url.encode(input: string | Buffer, encoding: string = "utf8"): string
+
+base64url encode `input`. Input should be a `string` or a `Buffer`.
+
+
+Example
+
+```js
+> base64url("ladies and gentlemen we are floating in space")
+'bGFkaWVzIGFuZCBnZW50bGVtYW4sIHdlIGFyZSBmbG9hdGluZyBpbiBzcGFjZQ'
+```
+
+---
+
+### base64url.decode(input: string, encoding: string = "utf8"): string
+
+Convert a base64url encoded string into a raw string. The `encoding` argument can be used if the input is a string that's not utf8.
+
+```js
+> base64url.decode("cmlkZTogZHJlYW1zIGJ1cm4gZG93bg")
+'ride: dreams burn down'
+```
+
+---
+
+### base64url.fromBase64(input: string): string
+
+Convert a base64 encoded string to a base64url encoded string.
+
+Example
+
+```js
+> base64url.fromBase64('qL8R4QIcQ/ZsRqOAbeRfcZhilN/MksRtDaErMA==')
+'qL8R4QIcQ_ZsRqOAbeRfcZhilN_MksRtDaErMA'
+```
+
+---
+
+
+### base64url.toBase64(input: string): string
+
+Convert a base64url encoded string to a base64 encoded string.
+
+```js
+> base64url.toBase64('qL8R4QIcQ_ZsRqOAbeRfcZhilN_MksRtDaErMA')
+'qL8R4QIcQ/ZsRqOAbeRfcZhilN/MksRtDaErMA=='
+```
+
+---
+
+
+### base64url.toBuffer(input: string): Buffer
+
+Convert a base64url encoded string to a Buffer containing the decoded bytes.
+
+```js
+> base64url.toBuffer('c3Bpcml0dWFsaXplZA')
+<Buffer 73 70 69 72 69 74 75 61 6c 69 7a 65 64>
+```
+
+# Alternatives
+
+- [base64-url](https://github.com/joaquimserafim/base64-url)
+
+# Supported Node.js versions
+
+This library should be used with current versions of the Node.js runtime's long-term stable (LTS)
+schedule. More information can be found [at the Node.js Release Working Group](https://github.com/nodejs/Release) repo.
+
+# License
+
+MIT
+
+```
+Copyright (c) 2013–2016 Brian J. Brennan
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+```
diff --git a/node_modules/bcrypt-pbkdf/CONTRIBUTING.md b/node_modules/bcrypt-pbkdf/CONTRIBUTING.md
new file mode 100644
index 000000000..401d34ed5
--- /dev/null
+++ b/node_modules/bcrypt-pbkdf/CONTRIBUTING.md
@@ -0,0 +1,13 @@
+# Contributing
+
+This repository uses [cr.joyent.us](https://cr.joyent.us) (Gerrit) for new
+changes. Anyone can submit changes. To get started, see the [cr.joyent.us user
+guide](https://github.com/joyent/joyent-gerrit/blob/master/docs/user/README.md).
+This repo does not use GitHub pull requests.
+
+See the [Joyent Engineering
+Guidelines](https://github.com/joyent/eng/blob/master/docs/index.md) for general
+best practices expected in this repository.
+
+If you're changing something non-trivial or user-facing, you may want to submit
+an issue first.
diff --git a/node_modules/bcrypt-pbkdf/LICENSE b/node_modules/bcrypt-pbkdf/LICENSE
new file mode 100644
index 000000000..fc58d2ab1
--- /dev/null
+++ b/node_modules/bcrypt-pbkdf/LICENSE
@@ -0,0 +1,66 @@
+The Blowfish portions are under the following license:
+
+Blowfish block cipher for OpenBSD
+Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+All rights reserved.
+
+Implementation advice by David Mazieres <dm@lcs.mit.edu>.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. The name of the author may not be used to endorse or promote products
+   derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+
+The bcrypt_pbkdf portions are under the following license:
+
+Copyright (c) 2013 Ted Unangst <tedu@openbsd.org>
+
+Permission to use, copy, modify, and distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+
+
+Performance improvements (Javascript-specific):
+
+Copyright 2016, Joyent Inc
+Author: Alex Wilson <alex.wilson@joyent.com>
+
+Permission to use, copy, modify, and distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/bcrypt-pbkdf/README.md b/node_modules/bcrypt-pbkdf/README.md
new file mode 100644
index 000000000..7551f335c
--- /dev/null
+++ b/node_modules/bcrypt-pbkdf/README.md
@@ -0,0 +1,45 @@
+Port of the OpenBSD `bcrypt_pbkdf` function to pure Javascript. `npm`-ified
+version of [Devi Mandiri's port](https://github.com/devi/tmp/blob/master/js/bcrypt_pbkdf.js),
+with some minor performance improvements. The code is copied verbatim (and
+un-styled) from Devi's work.
+
+This product includes software developed by Niels Provos.
+
+## API
+
+### `bcrypt_pbkdf.pbkdf(pass, passlen, salt, saltlen, key, keylen, rounds)`
+
+Derive a cryptographic key of arbitrary length from a given password and salt,
+using the OpenBSD `bcrypt_pbkdf` function. This is a combination of Blowfish and
+SHA-512.
+
+See [this article](http://www.tedunangst.com/flak/post/bcrypt-pbkdf) for
+further information.
+
+Parameters:
+
+ * `pass`, a Uint8Array of length `passlen`
+ * `passlen`, an integer Number
+ * `salt`, a Uint8Array of length `saltlen`
+ * `saltlen`, an integer Number
+ * `key`, a Uint8Array of length `keylen`, will be filled with output
+ * `keylen`, an integer Number
+ * `rounds`, an integer Number, number of rounds of the PBKDF to run
+
+### `bcrypt_pbkdf.hash(sha2pass, sha2salt, out)`
+
+Calculate a Blowfish hash, given SHA2-512 output of a password and salt. Used as
+part of the inner round function in the PBKDF.
+
+Parameters:
+
+ * `sha2pass`, a Uint8Array of length 64
+ * `sha2salt`, a Uint8Array of length 64
+ * `out`, a Uint8Array of length 32, will be filled with output
+
+## License
+
+This source form is a 1:1 port from the OpenBSD `blowfish.c` and `bcrypt_pbkdf.c`.
+As a result, it retains the original copyright and license. The two files are
+under slightly different (but compatible) licenses, and are here combined in
+one file. For each of the full license texts see `LICENSE`.
diff --git a/node_modules/bcrypt-pbkdf/index.js b/node_modules/bcrypt-pbkdf/index.js
new file mode 100644
index 000000000..b1b5ad4b7
--- /dev/null
+++ b/node_modules/bcrypt-pbkdf/index.js
@@ -0,0 +1,556 @@
+'use strict';
+
+var crypto_hash_sha512 = require('tweetnacl').lowlevel.crypto_hash;
+
+/*
+ * This file is a 1:1 port from the OpenBSD blowfish.c and bcrypt_pbkdf.c. As a
+ * result, it retains the original copyright and license. The two files are
+ * under slightly different (but compatible) licenses, and are here combined in
+ * one file.
+ *
+ * Credit for the actual porting work goes to:
+ *  Devi Mandiri <me@devi.web.id>
+ */
+
+/*
+ * The Blowfish portions are under the following license:
+ *
+ * Blowfish block cipher for OpenBSD
+ * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
+ * All rights reserved.
+ *
+ * Implementation advice by David Mazieres <dm@lcs.mit.edu>.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * The bcrypt_pbkdf portions are under the following license:
+ *
+ * Copyright (c) 2013 Ted Unangst <tedu@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Performance improvements (Javascript-specific):
+ *
+ * Copyright 2016, Joyent Inc
+ * Author: Alex Wilson <alex.wilson@joyent.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+// Ported from OpenBSD bcrypt_pbkdf.c v1.9
+
+var BLF_J = 0;
+
+var Blowfish = function() {
+  this.S = [
+    new Uint32Array([
+      0xd1310ba6, 0x98dfb5ac, 0x2ffd72db, 0xd01adfb7,
+      0xb8e1afed, 0x6a267e96, 0xba7c9045, 0xf12c7f99,
+      0x24a19947, 0xb3916cf7, 0x0801f2e2, 0x858efc16,
+      0x636920d8, 0x71574e69, 0xa458fea3, 0xf4933d7e,
+      0x0d95748f, 0x728eb658, 0x718bcd58, 0x82154aee,
+      0x7b54a41d, 0xc25a59b5, 0x9c30d539, 0x2af26013,
+      0xc5d1b023, 0x286085f0, 0xca417918, 0xb8db38ef,
+      0x8e79dcb0, 0x603a180e, 0x6c9e0e8b, 0xb01e8a3e,
+      0xd71577c1, 0xbd314b27, 0x78af2fda, 0x55605c60,
+      0xe65525f3, 0xaa55ab94, 0x57489862, 0x63e81440,
+      0x55ca396a, 0x2aab10b6, 0xb4cc5c34, 0x1141e8ce,
+      0xa15486af, 0x7c72e993, 0xb3ee1411, 0x636fbc2a,
+      0x2ba9c55d, 0x741831f6, 0xce5c3e16, 0x9b87931e,
+      0xafd6ba33, 0x6c24cf5c, 0x7a325381, 0x28958677,
+      0x3b8f4898, 0x6b4bb9af, 0xc4bfe81b, 0x66282193,
+      0x61d809cc, 0xfb21a991, 0x487cac60, 0x5dec8032,
+      0xef845d5d, 0xe98575b1, 0xdc262302, 0xeb651b88,
+      0x23893e81, 0xd396acc5, 0x0f6d6ff3, 0x83f44239,
+      0x2e0b4482, 0xa4842004, 0x69c8f04a, 0x9e1f9b5e,
+      0x21c66842, 0xf6e96c9a, 0x670c9c61, 0xabd388f0,
+      0x6a51a0d2, 0xd8542f68, 0x960fa728, 0xab5133a3,
+      0x6eef0b6c, 0x137a3be4, 0xba3bf050, 0x7efb2a98,
+      0xa1f1651d, 0x39af0176, 0x66ca593e, 0x82430e88,
+      0x8cee8619, 0x456f9fb4, 0x7d84a5c3, 0x3b8b5ebe,
+      0xe06f75d8, 0x85c12073, 0x401a449f, 0x56c16aa6,
+      0x4ed3aa62, 0x363f7706, 0x1bfedf72, 0x429b023d,
+      0x37d0d724, 0xd00a1248, 0xdb0fead3, 0x49f1c09b,
+      0x075372c9, 0x80991b7b, 0x25d479d8, 0xf6e8def7,
+      0xe3fe501a, 0xb6794c3b, 0x976ce0bd, 0x04c006ba,
+      0xc1a94fb6, 0x409f60c4, 0x5e5c9ec2, 0x196a2463,
+      0x68fb6faf, 0x3e6c53b5, 0x1339b2eb, 0x3b52ec6f,
+      0x6dfc511f, 0x9b30952c, 0xcc814544, 0xaf5ebd09,
+      0xbee3d004, 0xde334afd, 0x660f2807, 0x192e4bb3,
+      0xc0cba857, 0x45c8740f, 0xd20b5f39, 0xb9d3fbdb,
+      0x5579c0bd, 0x1a60320a, 0xd6a100c6, 0x402c7279,
+      0x679f25fe, 0xfb1fa3cc, 0x8ea5e9f8, 0xdb3222f8,
+      0x3c7516df, 0xfd616b15, 0x2f501ec8, 0xad0552ab,
+      0x323db5fa, 0xfd238760, 0x53317b48, 0x3e00df82,
+      0x9e5c57bb, 0xca6f8ca0, 0x1a87562e, 0xdf1769db,
+      0xd542a8f6, 0x287effc3, 0xac6732c6, 0x8c4f5573,
+      0x695b27b0, 0xbbca58c8, 0xe1ffa35d, 0xb8f011a0,
+      0x10fa3d98, 0xfd2183b8, 0x4afcb56c, 0x2dd1d35b,
+      0x9a53e479, 0xb6f84565, 0xd28e49bc, 0x4bfb9790,
+      0xe1ddf2da, 0xa4cb7e33, 0x62fb1341, 0xcee4c6e8,
+      0xef20cada, 0x36774c01, 0xd07e9efe, 0x2bf11fb4,
+      0x95dbda4d, 0xae909198, 0xeaad8e71, 0x6b93d5a0,
+      0xd08ed1d0, 0xafc725e0, 0x8e3c5b2f, 0x8e7594b7,
+      0x8ff6e2fb, 0xf2122b64, 0x8888b812, 0x900df01c,
+      0x4fad5ea0, 0x688fc31c, 0xd1cff191, 0xb3a8c1ad,
+      0x2f2f2218, 0xbe0e1777, 0xea752dfe, 0x8b021fa1,
+      0xe5a0cc0f, 0xb56f74e8, 0x18acf3d6, 0xce89e299,
+      0xb4a84fe0, 0xfd13e0b7, 0x7cc43b81, 0xd2ada8d9,
+      0x165fa266, 0x80957705, 0x93cc7314, 0x211a1477,
+      0xe6ad2065, 0x77b5fa86, 0xc75442f5, 0xfb9d35cf,
+      0xebcdaf0c, 0x7b3e89a0, 0xd6411bd3, 0xae1e7e49,
+      0x00250e2d, 0x2071b35e, 0x226800bb, 0x57b8e0af,
+      0x2464369b, 0xf009b91e, 0x5563911d, 0x59dfa6aa,
+      0x78c14389, 0xd95a537f, 0x207d5ba2, 0x02e5b9c5,
+      0x83260376, 0x6295cfa9, 0x11c81968, 0x4e734a41,
+      0xb3472dca, 0x7b14a94a, 0x1b510052, 0x9a532915,
+      0xd60f573f, 0xbc9bc6e4, 0x2b60a476, 0x81e67400,
+      0x08ba6fb5, 0x571be91f, 0xf296ec6b, 0x2a0dd915,
+      0xb6636521, 0xe7b9f9b6, 0xff34052e, 0xc5855664,
+      0x53b02d5d, 0xa99f8fa1, 0x08ba4799, 0x6e85076a]),
+    new Uint32Array([
+      0x4b7a70e9, 0xb5b32944, 0xdb75092e, 0xc4192623,
+      0xad6ea6b0, 0x49a7df7d, 0x9cee60b8, 0x8fedb266,
+      0xecaa8c71, 0x699a17ff, 0x5664526c, 0xc2b19ee1,
+      0x193602a5, 0x75094c29, 0xa0591340, 0xe4183a3e,
+      0x3f54989a, 0x5b429d65, 0x6b8fe4d6, 0x99f73fd6,
+      0xa1d29c07, 0xefe830f5, 0x4d2d38e6, 0xf0255dc1,
+      0x4cdd2086, 0x8470eb26, 0x6382e9c6, 0x021ecc5e,
+      0x09686b3f, 0x3ebaefc9, 0x3c971814, 0x6b6a70a1,
+      0x687f3584, 0x52a0e286, 0xb79c5305, 0xaa500737,
+      0x3e07841c, 0x7fdeae5c, 0x8e7d44ec, 0x5716f2b8,
+      0xb03ada37, 0xf0500c0d, 0xf01c1f04, 0x0200b3ff,
+      0xae0cf51a, 0x3cb574b2, 0x25837a58, 0xdc0921bd,
+      0xd19113f9, 0x7ca92ff6, 0x94324773, 0x22f54701,
+      0x3ae5e581, 0x37c2dadc, 0xc8b57634, 0x9af3dda7,
+      0xa9446146, 0x0fd0030e, 0xecc8c73e, 0xa4751e41,
+      0xe238cd99, 0x3bea0e2f, 0x3280bba1, 0x183eb331,
+      0x4e548b38, 0x4f6db908, 0x6f420d03, 0xf60a04bf,
+      0x2cb81290, 0x24977c79, 0x5679b072, 0xbcaf89af,
+      0xde9a771f, 0xd9930810, 0xb38bae12, 0xdccf3f2e,
+      0x5512721f, 0x2e6b7124, 0x501adde6, 0x9f84cd87,
+      0x7a584718, 0x7408da17, 0xbc9f9abc, 0xe94b7d8c,
+      0xec7aec3a, 0xdb851dfa, 0x63094366, 0xc464c3d2,
+      0xef1c1847, 0x3215d908, 0xdd433b37, 0x24c2ba16,
+      0x12a14d43, 0x2a65c451, 0x50940002, 0x133ae4dd,
+      0x71dff89e, 0x10314e55, 0x81ac77d6, 0x5f11199b,
+      0x043556f1, 0xd7a3c76b, 0x3c11183b, 0x5924a509,
+      0xf28fe6ed, 0x97f1fbfa, 0x9ebabf2c, 0x1e153c6e,
+      0x86e34570, 0xeae96fb1, 0x860e5e0a, 0x5a3e2ab3,
+      0x771fe71c, 0x4e3d06fa, 0x2965dcb9, 0x99e71d0f,
+      0x803e89d6, 0x5266c825, 0x2e4cc978, 0x9c10b36a,
+      0xc6150eba, 0x94e2ea78, 0xa5fc3c53, 0x1e0a2df4,
+      0xf2f74ea7, 0x361d2b3d, 0x1939260f, 0x19c27960,
+      0x5223a708, 0xf71312b6, 0xebadfe6e, 0xeac31f66,
+      0xe3bc4595, 0xa67bc883, 0xb17f37d1, 0x018cff28,
+      0xc332ddef, 0xbe6c5aa5, 0x65582185, 0x68ab9802,
+      0xeecea50f, 0xdb2f953b, 0x2aef7dad, 0x5b6e2f84,
+      0x1521b628, 0x29076170, 0xecdd4775, 0x619f1510,
+      0x13cca830, 0xeb61bd96, 0x0334fe1e, 0xaa0363cf,
+      0xb5735c90, 0x4c70a239, 0xd59e9e0b, 0xcbaade14,
+      0xeecc86bc, 0x60622ca7, 0x9cab5cab, 0xb2f3846e,
+      0x648b1eaf, 0x19bdf0ca, 0xa02369b9, 0x655abb50,
+      0x40685a32, 0x3c2ab4b3, 0x319ee9d5, 0xc021b8f7,
+      0x9b540b19, 0x875fa099, 0x95f7997e, 0x623d7da8,
+      0xf837889a, 0x97e32d77, 0x11ed935f, 0x16681281,
+      0x0e358829, 0xc7e61fd6, 0x96dedfa1, 0x7858ba99,
+      0x57f584a5, 0x1b227263, 0x9b83c3ff, 0x1ac24696,
+      0xcdb30aeb, 0x532e3054, 0x8fd948e4, 0x6dbc3128,
+      0x58ebf2ef, 0x34c6ffea, 0xfe28ed61, 0xee7c3c73,
+      0x5d4a14d9, 0xe864b7e3, 0x42105d14, 0x203e13e0,
+      0x45eee2b6, 0xa3aaabea, 0xdb6c4f15, 0xfacb4fd0,
+      0xc742f442, 0xef6abbb5, 0x654f3b1d, 0x41cd2105,
+      0xd81e799e, 0x86854dc7, 0xe44b476a, 0x3d816250,
+      0xcf62a1f2, 0x5b8d2646, 0xfc8883a0, 0xc1c7b6a3,
+      0x7f1524c3, 0x69cb7492, 0x47848a0b, 0x5692b285,
+      0x095bbf00, 0xad19489d, 0x1462b174, 0x23820e00,
+      0x58428d2a, 0x0c55f5ea, 0x1dadf43e, 0x233f7061,
+      0x3372f092, 0x8d937e41, 0xd65fecf1, 0x6c223bdb,
+      0x7cde3759, 0xcbee7460, 0x4085f2a7, 0xce77326e,
+      0xa6078084, 0x19f8509e, 0xe8efd855, 0x61d99735,
+      0xa969a7aa, 0xc50c06c2, 0x5a04abfc, 0x800bcadc,
+      0x9e447a2e, 0xc3453484, 0xfdd56705, 0x0e1e9ec9,
+      0xdb73dbd3, 0x105588cd, 0x675fda79, 0xe3674340,
+      0xc5c43465, 0x713e38d8, 0x3d28f89e, 0xf16dff20,
+      0x153e21e7, 0x8fb03d4a, 0xe6e39f2b, 0xdb83adf7]),
+    new Uint32Array([
+      0xe93d5a68, 0x948140f7, 0xf64c261c, 0x94692934,
+      0x411520f7, 0x7602d4f7, 0xbcf46b2e, 0xd4a20068,
+      0xd4082471, 0x3320f46a, 0x43b7d4b7, 0x500061af,
+      0x1e39f62e, 0x97244546, 0x14214f74, 0xbf8b8840,
+      0x4d95fc1d, 0x96b591af, 0x70f4ddd3, 0x66a02f45,
+      0xbfbc09ec, 0x03bd9785, 0x7fac6dd0, 0x31cb8504,
+      0x96eb27b3, 0x55fd3941, 0xda2547e6, 0xabca0a9a,
+      0x28507825, 0x530429f4, 0x0a2c86da, 0xe9b66dfb,
+      0x68dc1462, 0xd7486900, 0x680ec0a4, 0x27a18dee,
+      0x4f3ffea2, 0xe887ad8c, 0xb58ce006, 0x7af4d6b6,
+      0xaace1e7c, 0xd3375fec, 0xce78a399, 0x406b2a42,
+      0x20fe9e35, 0xd9f385b9, 0xee39d7ab, 0x3b124e8b,
+      0x1dc9faf7, 0x4b6d1856, 0x26a36631, 0xeae397b2,
+      0x3a6efa74, 0xdd5b4332, 0x6841e7f7, 0xca7820fb,
+      0xfb0af54e, 0xd8feb397, 0x454056ac, 0xba489527,
+      0x55533a3a, 0x20838d87, 0xfe6ba9b7, 0xd096954b,
+      0x55a867bc, 0xa1159a58, 0xcca92963, 0x99e1db33,
+      0xa62a4a56, 0x3f3125f9, 0x5ef47e1c, 0x9029317c,
+      0xfdf8e802, 0x04272f70, 0x80bb155c, 0x05282ce3,
+      0x95c11548, 0xe4c66d22, 0x48c1133f, 0xc70f86dc,
+      0x07f9c9ee, 0x41041f0f, 0x404779a4, 0x5d886e17,
+      0x325f51eb, 0xd59bc0d1, 0xf2bcc18f, 0x41113564,
+      0x257b7834, 0x602a9c60, 0xdff8e8a3, 0x1f636c1b,
+      0x0e12b4c2, 0x02e1329e, 0xaf664fd1, 0xcad18115,
+      0x6b2395e0, 0x333e92e1, 0x3b240b62, 0xeebeb922,
+      0x85b2a20e, 0xe6ba0d99, 0xde720c8c, 0x2da2f728,
+      0xd0127845, 0x95b794fd, 0x647d0862, 0xe7ccf5f0,
+      0x5449a36f, 0x877d48fa, 0xc39dfd27, 0xf33e8d1e,
+      0x0a476341, 0x992eff74, 0x3a6f6eab, 0xf4f8fd37,
+      0xa812dc60, 0xa1ebddf8, 0x991be14c, 0xdb6e6b0d,
+      0xc67b5510, 0x6d672c37, 0x2765d43b, 0xdcd0e804,
+      0xf1290dc7, 0xcc00ffa3, 0xb5390f92, 0x690fed0b,
+      0x667b9ffb, 0xcedb7d9c, 0xa091cf0b, 0xd9155ea3,
+      0xbb132f88, 0x515bad24, 0x7b9479bf, 0x763bd6eb,
+      0x37392eb3, 0xcc115979, 0x8026e297, 0xf42e312d,
+      0x6842ada7, 0xc66a2b3b, 0x12754ccc, 0x782ef11c,
+      0x6a124237, 0xb79251e7, 0x06a1bbe6, 0x4bfb6350,
+      0x1a6b1018, 0x11caedfa, 0x3d25bdd8, 0xe2e1c3c9,
+      0x44421659, 0x0a121386, 0xd90cec6e, 0xd5abea2a,
+      0x64af674e, 0xda86a85f, 0xbebfe988, 0x64e4c3fe,
+      0x9dbc8057, 0xf0f7c086, 0x60787bf8, 0x6003604d,
+      0xd1fd8346, 0xf6381fb0, 0x7745ae04, 0xd736fccc,
+      0x83426b33, 0xf01eab71, 0xb0804187, 0x3c005e5f,
+      0x77a057be, 0xbde8ae24, 0x55464299, 0xbf582e61,
+      0x4e58f48f, 0xf2ddfda2, 0xf474ef38, 0x8789bdc2,
+      0x5366f9c3, 0xc8b38e74, 0xb475f255, 0x46fcd9b9,
+      0x7aeb2661, 0x8b1ddf84, 0x846a0e79, 0x915f95e2,
+      0x466e598e, 0x20b45770, 0x8cd55591, 0xc902de4c,
+      0xb90bace1, 0xbb8205d0, 0x11a86248, 0x7574a99e,
+      0xb77f19b6, 0xe0a9dc09, 0x662d09a1, 0xc4324633,
+      0xe85a1f02, 0x09f0be8c, 0x4a99a025, 0x1d6efe10,
+      0x1ab93d1d, 0x0ba5a4df, 0xa186f20f, 0x2868f169,
+      0xdcb7da83, 0x573906fe, 0xa1e2ce9b, 0x4fcd7f52,
+      0x50115e01, 0xa70683fa, 0xa002b5c4, 0x0de6d027,
+      0x9af88c27, 0x773f8641, 0xc3604c06, 0x61a806b5,
+      0xf0177a28, 0xc0f586e0, 0x006058aa, 0x30dc7d62,
+      0x11e69ed7, 0x2338ea63, 0x53c2dd94, 0xc2c21634,
+      0xbbcbee56, 0x90bcb6de, 0xebfc7da1, 0xce591d76,
+      0x6f05e409, 0x4b7c0188, 0x39720a3d, 0x7c927c24,
+      0x86e3725f, 0x724d9db9, 0x1ac15bb4, 0xd39eb8fc,
+      0xed545578, 0x08fca5b5, 0xd83d7cd3, 0x4dad0fc4,
+      0x1e50ef5e, 0xb161e6f8, 0xa28514d9, 0x6c51133c,
+      0x6fd5c7e7, 0x56e14ec4, 0x362abfce, 0xddc6c837,
+      0xd79a3234, 0x92638212, 0x670efa8e, 0x406000e0]),
+    new Uint32Array([
+      0x3a39ce37, 0xd3faf5cf, 0xabc27737, 0x5ac52d1b,
+      0x5cb0679e, 0x4fa33742, 0xd3822740, 0x99bc9bbe,
+      0xd5118e9d, 0xbf0f7315, 0xd62d1c7e, 0xc700c47b,
+      0xb78c1b6b, 0x21a19045, 0xb26eb1be, 0x6a366eb4,
+      0x5748ab2f, 0xbc946e79, 0xc6a376d2, 0x6549c2c8,
+      0x530ff8ee, 0x468dde7d, 0xd5730a1d, 0x4cd04dc6,
+      0x2939bbdb, 0xa9ba4650, 0xac9526e8, 0xbe5ee304,
+      0xa1fad5f0, 0x6a2d519a, 0x63ef8ce2, 0x9a86ee22,
+      0xc089c2b8, 0x43242ef6, 0xa51e03aa, 0x9cf2d0a4,
+      0x83c061ba, 0x9be96a4d, 0x8fe51550, 0xba645bd6,
+      0x2826a2f9, 0xa73a3ae1, 0x4ba99586, 0xef5562e9,
+      0xc72fefd3, 0xf752f7da, 0x3f046f69, 0x77fa0a59,
+      0x80e4a915, 0x87b08601, 0x9b09e6ad, 0x3b3ee593,
+      0xe990fd5a, 0x9e34d797, 0x2cf0b7d9, 0x022b8b51,
+      0x96d5ac3a, 0x017da67d, 0xd1cf3ed6, 0x7c7d2d28,
+      0x1f9f25cf, 0xadf2b89b, 0x5ad6b472, 0x5a88f54c,
+      0xe029ac71, 0xe019a5e6, 0x47b0acfd, 0xed93fa9b,
+      0xe8d3c48d, 0x283b57cc, 0xf8d56629, 0x79132e28,
+      0x785f0191, 0xed756055, 0xf7960e44, 0xe3d35e8c,
+      0x15056dd4, 0x88f46dba, 0x03a16125, 0x0564f0bd,
+      0xc3eb9e15, 0x3c9057a2, 0x97271aec, 0xa93a072a,
+      0x1b3f6d9b, 0x1e6321f5, 0xf59c66fb, 0x26dcf319,
+      0x7533d928, 0xb155fdf5, 0x03563482, 0x8aba3cbb,
+      0x28517711, 0xc20ad9f8, 0xabcc5167, 0xccad925f,
+      0x4de81751, 0x3830dc8e, 0x379d5862, 0x9320f991,
+      0xea7a90c2, 0xfb3e7bce, 0x5121ce64, 0x774fbe32,
+      0xa8b6e37e, 0xc3293d46, 0x48de5369, 0x6413e680,
+      0xa2ae0810, 0xdd6db224, 0x69852dfd, 0x09072166,
+      0xb39a460a, 0x6445c0dd, 0x586cdecf, 0x1c20c8ae,
+      0x5bbef7dd, 0x1b588d40, 0xccd2017f, 0x6bb4e3bb,
+      0xdda26a7e, 0x3a59ff45, 0x3e350a44, 0xbcb4cdd5,
+      0x72eacea8, 0xfa6484bb, 0x8d6612ae, 0xbf3c6f47,
+      0xd29be463, 0x542f5d9e, 0xaec2771b, 0xf64e6370,
+      0x740e0d8d, 0xe75b1357, 0xf8721671, 0xaf537d5d,
+      0x4040cb08, 0x4eb4e2cc, 0x34d2466a, 0x0115af84,
+      0xe1b00428, 0x95983a1d, 0x06b89fb4, 0xce6ea048,
+      0x6f3f3b82, 0x3520ab82, 0x011a1d4b, 0x277227f8,
+      0x611560b1, 0xe7933fdc, 0xbb3a792b, 0x344525bd,
+      0xa08839e1, 0x51ce794b, 0x2f32c9b7, 0xa01fbac9,
+      0xe01cc87e, 0xbcc7d1f6, 0xcf0111c3, 0xa1e8aac7,
+      0x1a908749, 0xd44fbd9a, 0xd0dadecb, 0xd50ada38,
+      0x0339c32a, 0xc6913667, 0x8df9317c, 0xe0b12b4f,
+      0xf79e59b7, 0x43f5bb3a, 0xf2d519ff, 0x27d9459c,
+      0xbf97222c, 0x15e6fc2a, 0x0f91fc71, 0x9b941525,
+      0xfae59361, 0xceb69ceb, 0xc2a86459, 0x12baa8d1,
+      0xb6c1075e, 0xe3056a0c, 0x10d25065, 0xcb03a442,
+      0xe0ec6e0e, 0x1698db3b, 0x4c98a0be, 0x3278e964,
+      0x9f1f9532, 0xe0d392df, 0xd3a0342b, 0x8971f21e,
+      0x1b0a7441, 0x4ba3348c, 0xc5be7120, 0xc37632d8,
+      0xdf359f8d, 0x9b992f2e, 0xe60b6f47, 0x0fe3f11d,
+      0xe54cda54, 0x1edad891, 0xce6279cf, 0xcd3e7e6f,
+      0x1618b166, 0xfd2c1d05, 0x848fd2c5, 0xf6fb2299,
+      0xf523f357, 0xa6327623, 0x93a83531, 0x56cccd02,
+      0xacf08162, 0x5a75ebb5, 0x6e163697, 0x88d273cc,
+      0xde966292, 0x81b949d0, 0x4c50901b, 0x71c65614,
+      0xe6c6c7bd, 0x327a140a, 0x45e1d006, 0xc3f27b9a,
+      0xc9aa53fd, 0x62a80f00, 0xbb25bfe2, 0x35bdd2f6,
+      0x71126905, 0xb2040222, 0xb6cbcf7c, 0xcd769c2b,
+      0x53113ec0, 0x1640e3d3, 0x38abbd60, 0x2547adf0,
+      0xba38209c, 0xf746ce76, 0x77afa1c5, 0x20756060,
+      0x85cbfe4e, 0x8ae88dd8, 0x7aaaf9b0, 0x4cf9aa7e,
+      0x1948c25c, 0x02fb8a8c, 0x01c36ae4, 0xd6ebe1f9,
+      0x90d4f869, 0xa65cdea0, 0x3f09252d, 0xc208e69f,
+      0xb74e6132, 0xce77e25b, 0x578fdfe3, 0x3ac372e6])
+    ];
+  this.P = new Uint32Array([
+    0x243f6a88, 0x85a308d3, 0x13198a2e, 0x03707344,
+    0xa4093822, 0x299f31d0, 0x082efa98, 0xec4e6c89,
+    0x452821e6, 0x38d01377, 0xbe5466cf, 0x34e90c6c,
+    0xc0ac29b7, 0xc97c50dd, 0x3f84d5b5, 0xb5470917,
+    0x9216d5d9, 0x8979fb1b]);
+};
+
+function F(S, x8, i) {
+  return (((S[0][x8[i+3]] +
+            S[1][x8[i+2]]) ^
+            S[2][x8[i+1]]) +
+            S[3][x8[i]]);
+};
+
+Blowfish.prototype.encipher = function(x, x8) {
+  if (x8 === undefined) {
+    x8 = new Uint8Array(x.buffer);
+    if (x.byteOffset !== 0)
+      x8 = x8.subarray(x.byteOffset);
+  }
+  x[0] ^= this.P[0];
+  for (var i = 1; i < 16; i += 2) {
+    x[1] ^= F(this.S, x8, 0) ^ this.P[i];
+    x[0] ^= F(this.S, x8, 4) ^ this.P[i+1];
+  }
+  var t = x[0];
+  x[0] = x[1] ^ this.P[17];
+  x[1] = t;
+};
+
+Blowfish.prototype.decipher = function(x) {
+  var x8 = new Uint8Array(x.buffer);
+  if (x.byteOffset !== 0)
+    x8 = x8.subarray(x.byteOffset);
+  x[0] ^= this.P[17];
+  for (var i = 16; i > 0; i -= 2) {
+    x[1] ^= F(this.S, x8, 0) ^ this.P[i];
+    x[0] ^= F(this.S, x8, 4) ^ this.P[i-1];
+  }
+  var t = x[0];
+  x[0] = x[1] ^ this.P[0];
+  x[1] = t;
+};
+
+function stream2word(data, databytes){
+  var i, temp = 0;
+  for (i = 0; i < 4; i++, BLF_J++) {
+    if (BLF_J >= databytes) BLF_J = 0;
+    temp = (temp << 8) | data[BLF_J];
+  }
+  return temp;
+};
+
+Blowfish.prototype.expand0state = function(key, keybytes) {
+  var d = new Uint32Array(2), i, k;
+  var d8 = new Uint8Array(d.buffer);
+
+  for (i = 0, BLF_J = 0; i < 18; i++) {
+    this.P[i] ^= stream2word(key, keybytes);
+  }
+  BLF_J = 0;
+
+  for (i = 0; i < 18; i += 2) {
+    this.encipher(d, d8);
+    this.P[i]   = d[0];
+    this.P[i+1] = d[1];
+  }
+
+  for (i = 0; i < 4; i++) {
+    for (k = 0; k < 256; k += 2) {
+      this.encipher(d, d8);
+      this.S[i][k]   = d[0];
+      this.S[i][k+1] = d[1];
+    }
+  }
+};
+
+Blowfish.prototype.expandstate = function(data, databytes, key, keybytes) {
+  var d = new Uint32Array(2), i, k;
+
+  for (i = 0, BLF_J = 0; i < 18; i++) {
+    this.P[i] ^= stream2word(key, keybytes);
+  }
+
+  for (i = 0, BLF_J = 0; i < 18; i += 2) {
+    d[0] ^= stream2word(data, databytes);
+    d[1] ^= stream2word(data, databytes);
+    this.encipher(d);
+    this.P[i]   = d[0];
+    this.P[i+1] = d[1];
+  }
+
+  for (i = 0; i < 4; i++) {
+    for (k = 0; k < 256; k += 2) {
+      d[0] ^= stream2word(data, databytes);
+      d[1] ^= stream2word(data, databytes);
+      this.encipher(d);
+      this.S[i][k]   = d[0];
+      this.S[i][k+1] = d[1];
+    }
+  }
+  BLF_J = 0;
+};
+
+Blowfish.prototype.enc = function(data, blocks) {
+  for (var i = 0; i < blocks; i++) {
+    this.encipher(data.subarray(i*2));
+  }
+};
+
+Blowfish.prototype.dec = function(data, blocks) {
+  for (var i = 0; i < blocks; i++) {
+    this.decipher(data.subarray(i*2));
+  }
+};
+
+var BCRYPT_BLOCKS = 8,
+    BCRYPT_HASHSIZE = 32;
+
+function bcrypt_hash(sha2pass, sha2salt, out) {
+  var state = new Blowfish(),
+      cdata = new Uint32Array(BCRYPT_BLOCKS), i,
+      ciphertext = new Uint8Array([79,120,121,99,104,114,111,109,97,116,105,
+            99,66,108,111,119,102,105,115,104,83,119,97,116,68,121,110,97,109,
+            105,116,101]); //"OxychromaticBlowfishSwatDynamite"
+
+  state.expandstate(sha2salt, 64, sha2pass, 64);
+  for (i = 0; i < 64; i++) {
+    state.expand0state(sha2salt, 64);
+    state.expand0state(sha2pass, 64);
+  }
+
+  for (i = 0; i < BCRYPT_BLOCKS; i++)
+    cdata[i] = stream2word(ciphertext, ciphertext.byteLength);
+  for (i = 0; i < 64; i++)
+    state.enc(cdata, cdata.byteLength / 8);
+
+  for (i = 0; i < BCRYPT_BLOCKS; i++) {
+    out[4*i+3] = cdata[i] >>> 24;
+    out[4*i+2] = cdata[i] >>> 16;
+    out[4*i+1] = cdata[i] >>> 8;
+    out[4*i+0] = cdata[i];
+  }
+};
+
+function bcrypt_pbkdf(pass, passlen, salt, saltlen, key, keylen, rounds) {
+  var sha2pass = new Uint8Array(64),
+      sha2salt = new Uint8Array(64),
+      out = new Uint8Array(BCRYPT_HASHSIZE),
+      tmpout = new Uint8Array(BCRYPT_HASHSIZE),
+      countsalt = new Uint8Array(saltlen+4),
+      i, j, amt, stride, dest, count,
+      origkeylen = keylen;
+
+  if (rounds < 1)
+    return -1;
+  if (passlen === 0 || saltlen === 0 || keylen === 0 ||
+      keylen > (out.byteLength * out.byteLength) || saltlen > (1<<20))
+    return -1;
+
+  stride = Math.floor((keylen + out.byteLength - 1) / out.byteLength);
+  amt = Math.floor((keylen + stride - 1) / stride);
+
+  for (i = 0; i < saltlen; i++)
+    countsalt[i] = salt[i];
+
+  crypto_hash_sha512(sha2pass, pass, passlen);
+
+  for (count = 1; keylen > 0; count++) {
+    countsalt[saltlen+0] = count >>> 24;
+    countsalt[saltlen+1] = count >>> 16;
+    countsalt[saltlen+2] = count >>>  8;
+    countsalt[saltlen+3] = count;
+
+    crypto_hash_sha512(sha2salt, countsalt, saltlen + 4);
+    bcrypt_hash(sha2pass, sha2salt, tmpout);
+    for (i = out.byteLength; i--;)
+      out[i] = tmpout[i];
+
+    for (i = 1; i < rounds; i++) {
+      crypto_hash_sha512(sha2salt, tmpout, tmpout.byteLength);
+      bcrypt_hash(sha2pass, sha2salt, tmpout);
+      for (j = 0; j < out.byteLength; j++)
+        out[j] ^= tmpout[j];
+    }
+
+    amt = Math.min(amt, keylen);
+    for (i = 0; i < amt; i++) {
+      dest = i * stride + (count - 1);
+      if (dest >= origkeylen)
+        break;
+      key[dest] = out[i];
+    }
+    keylen -= i;
+  }
+
+  return 0;
+};
+
+module.exports = {
+      BLOCKS: BCRYPT_BLOCKS,
+      HASHSIZE: BCRYPT_HASHSIZE,
+      hash: bcrypt_hash,
+      pbkdf: bcrypt_pbkdf
+};
diff --git a/node_modules/bcrypt-pbkdf/package.json b/node_modules/bcrypt-pbkdf/package.json
new file mode 100644
index 000000000..e93a969b0
--- /dev/null
+++ b/node_modules/bcrypt-pbkdf/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "bcrypt-pbkdf",
+  "version": "1.0.2",
+  "description": "Port of the OpenBSD bcrypt_pbkdf function to pure JS",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/joyent/node-bcrypt-pbkdf.git"
+  },
+  "main": "index.js",
+  "dependencies": {
+    "tweetnacl": "^0.14.3"
+  },
+  "devDependencies": {},
+  "license": "BSD-3-Clause"
+}
diff --git a/node_modules/body-parser/HISTORY.md b/node_modules/body-parser/HISTORY.md
new file mode 100644
index 000000000..e114f6af2
--- /dev/null
+++ b/node_modules/body-parser/HISTORY.md
@@ -0,0 +1,651 @@
+1.20.0 / 2022-04-02
+===================
+
+  * Fix error message for json parse whitespace in `strict`
+  * Fix internal error when inflated body exceeds limit
+  * Prevent loss of async hooks context
+  * Prevent hanging when request already read
+  * deps: depd@2.0.0
+    - Replace internal `eval` usage with `Function` constructor
+    - Use instance methods on `process` to check for listeners
+  * deps: http-errors@2.0.0
+    - deps: depd@2.0.0
+    - deps: statuses@2.0.1
+  * deps: on-finished@2.4.1
+  * deps: qs@6.10.3
+  * deps: raw-body@2.5.1
+    - deps: http-errors@2.0.0
+
+1.19.2 / 2022-02-15
+===================
+
+  * deps: bytes@3.1.2
+  * deps: qs@6.9.7
+    * Fix handling of `__proto__` keys
+  * deps: raw-body@2.4.3
+    - deps: bytes@3.1.2
+
+1.19.1 / 2021-12-10
+===================
+
+  * deps: bytes@3.1.1
+  * deps: http-errors@1.8.1
+    - deps: inherits@2.0.4
+    - deps: toidentifier@1.0.1
+    - deps: setprototypeof@1.2.0
+  * deps: qs@6.9.6
+  * deps: raw-body@2.4.2
+    - deps: bytes@3.1.1
+    - deps: http-errors@1.8.1
+  * deps: safe-buffer@5.2.1
+  * deps: type-is@~1.6.18
+
+1.19.0 / 2019-04-25
+===================
+
+  * deps: bytes@3.1.0
+    - Add petabyte (`pb`) support
+  * deps: http-errors@1.7.2
+    - Set constructor name when possible
+    - deps: setprototypeof@1.1.1
+    - deps: statuses@'>= 1.5.0 < 2'
+  * deps: iconv-lite@0.4.24
+    - Added encoding MIK
+  * deps: qs@6.7.0
+    - Fix parsing array brackets after index
+  * deps: raw-body@2.4.0
+    - deps: bytes@3.1.0
+    - deps: http-errors@1.7.2
+    - deps: iconv-lite@0.4.24
+  * deps: type-is@~1.6.17
+    - deps: mime-types@~2.1.24
+    - perf: prevent internal `throw` on invalid type
+
+1.18.3 / 2018-05-14
+===================
+
+  * Fix stack trace for strict json parse error
+  * deps: depd@~1.1.2
+    - perf: remove argument reassignment
+  * deps: http-errors@~1.6.3
+    - deps: depd@~1.1.2
+    - deps: setprototypeof@1.1.0
+    - deps: statuses@'>= 1.3.1 < 2'
+  * deps: iconv-lite@0.4.23
+    - Fix loading encoding with year appended
+    - Fix deprecation warnings on Node.js 10+
+  * deps: qs@6.5.2
+  * deps: raw-body@2.3.3
+    - deps: http-errors@1.6.3
+    - deps: iconv-lite@0.4.23
+  * deps: type-is@~1.6.16
+    - deps: mime-types@~2.1.18
+
+1.18.2 / 2017-09-22
+===================
+
+  * deps: debug@2.6.9
+  * perf: remove argument reassignment
+
+1.18.1 / 2017-09-12
+===================
+
+  * deps: content-type@~1.0.4
+    - perf: remove argument reassignment
+    - perf: skip parameter parsing when no parameters
+  * deps: iconv-lite@0.4.19
+    - Fix ISO-8859-1 regression
+    - Update Windows-1255
+  * deps: qs@6.5.1
+    - Fix parsing & compacting very deep objects
+  * deps: raw-body@2.3.2
+    - deps: iconv-lite@0.4.19
+
+1.18.0 / 2017-09-08
+===================
+
+  * Fix JSON strict violation error to match native parse error
+  * Include the `body` property on verify errors
+  * Include the `type` property on all generated errors
+  * Use `http-errors` to set status code on errors
+  * deps: bytes@3.0.0
+  * deps: debug@2.6.8
+  * deps: depd@~1.1.1
+    - Remove unnecessary `Buffer` loading
+  * deps: http-errors@~1.6.2
+    - deps: depd@1.1.1
+  * deps: iconv-lite@0.4.18
+    - Add support for React Native
+    - Add a warning if not loaded as utf-8
+    - Fix CESU-8 decoding in Node.js 8
+    - Improve speed of ISO-8859-1 encoding
+  * deps: qs@6.5.0
+  * deps: raw-body@2.3.1
+    - Use `http-errors` for standard emitted errors
+    - deps: bytes@3.0.0
+    - deps: iconv-lite@0.4.18
+    - perf: skip buffer decoding on overage chunk
+  * perf: prevent internal `throw` when missing charset
+
+1.17.2 / 2017-05-17
+===================
+
+  * deps: debug@2.6.7
+    - Fix `DEBUG_MAX_ARRAY_LENGTH`
+    - deps: ms@2.0.0
+  * deps: type-is@~1.6.15
+    - deps: mime-types@~2.1.15
+
+1.17.1 / 2017-03-06
+===================
+
+  * deps: qs@6.4.0
+    - Fix regression parsing keys starting with `[`
+
+1.17.0 / 2017-03-01
+===================
+
+  * deps: http-errors@~1.6.1
+    - Make `message` property enumerable for `HttpError`s
+    - deps: setprototypeof@1.0.3
+  * deps: qs@6.3.1
+    - Fix compacting nested arrays
+
+1.16.1 / 2017-02-10
+===================
+
+  * deps: debug@2.6.1
+    - Fix deprecation messages in WebStorm and other editors
+    - Undeprecate `DEBUG_FD` set to `1` or `2`
+
+1.16.0 / 2017-01-17
+===================
+
+  * deps: debug@2.6.0
+    - Allow colors in workers
+    - Deprecated `DEBUG_FD` environment variable
+    - Fix error when running under React Native
+    - Use same color for same namespace
+    - deps: ms@0.7.2
+  * deps: http-errors@~1.5.1
+    - deps: inherits@2.0.3
+    - deps: setprototypeof@1.0.2
+    - deps: statuses@'>= 1.3.1 < 2'
+  * deps: iconv-lite@0.4.15
+    - Added encoding MS-31J
+    - Added encoding MS-932
+    - Added encoding MS-936
+    - Added encoding MS-949
+    - Added encoding MS-950
+    - Fix GBK/GB18030 handling of Euro character
+  * deps: qs@6.2.1
+    - Fix array parsing from skipping empty values
+  * deps: raw-body@~2.2.0
+    - deps: iconv-lite@0.4.15
+  * deps: type-is@~1.6.14
+    - deps: mime-types@~2.1.13
+
+1.15.2 / 2016-06-19
+===================
+
+  * deps: bytes@2.4.0
+  * deps: content-type@~1.0.2
+    - perf: enable strict mode
+  * deps: http-errors@~1.5.0
+    - Use `setprototypeof` module to replace `__proto__` setting
+    - deps: statuses@'>= 1.3.0 < 2'
+    - perf: enable strict mode
+  * deps: qs@6.2.0
+  * deps: raw-body@~2.1.7
+    - deps: bytes@2.4.0
+    - perf: remove double-cleanup on happy path
+  * deps: type-is@~1.6.13
+    - deps: mime-types@~2.1.11
+
+1.15.1 / 2016-05-05
+===================
+
+  * deps: bytes@2.3.0
+    - Drop partial bytes on all parsed units
+    - Fix parsing byte string that looks like hex
+  * deps: raw-body@~2.1.6
+    - deps: bytes@2.3.0
+  * deps: type-is@~1.6.12
+    - deps: mime-types@~2.1.10
+
+1.15.0 / 2016-02-10
+===================
+
+  * deps: http-errors@~1.4.0
+    - Add `HttpError` export, for `err instanceof createError.HttpError`
+    - deps: inherits@2.0.1
+    - deps: statuses@'>= 1.2.1 < 2'
+  * deps: qs@6.1.0
+  * deps: type-is@~1.6.11
+    - deps: mime-types@~2.1.9
+
+1.14.2 / 2015-12-16
+===================
+
+  * deps: bytes@2.2.0
+  * deps: iconv-lite@0.4.13
+  * deps: qs@5.2.0
+  * deps: raw-body@~2.1.5
+    - deps: bytes@2.2.0
+    - deps: iconv-lite@0.4.13
+  * deps: type-is@~1.6.10
+    - deps: mime-types@~2.1.8
+
+1.14.1 / 2015-09-27
+===================
+
+  * Fix issue where invalid charset results in 400 when `verify` used
+  * deps: iconv-lite@0.4.12
+    - Fix CESU-8 decoding in Node.js 4.x
+  * deps: raw-body@~2.1.4
+    - Fix masking critical errors from `iconv-lite`
+    - deps: iconv-lite@0.4.12
+  * deps: type-is@~1.6.9
+    - deps: mime-types@~2.1.7
+
+1.14.0 / 2015-09-16
+===================
+
+  * Fix JSON strict parse error to match syntax errors
+  * Provide static `require` analysis in `urlencoded` parser
+  * deps: depd@~1.1.0
+    - Support web browser loading
+  * deps: qs@5.1.0
+  * deps: raw-body@~2.1.3
+    - Fix sync callback when attaching data listener causes sync read
+  * deps: type-is@~1.6.8
+    - Fix type error when given invalid type to match against
+    - deps: mime-types@~2.1.6
+
+1.13.3 / 2015-07-31
+===================
+
+  * deps: type-is@~1.6.6
+    - deps: mime-types@~2.1.4
+
+1.13.2 / 2015-07-05
+===================
+
+  * deps: iconv-lite@0.4.11
+  * deps: qs@4.0.0
+    - Fix dropping parameters like `hasOwnProperty`
+    - Fix user-visible incompatibilities from 3.1.0
+    - Fix various parsing edge cases
+  * deps: raw-body@~2.1.2
+    - Fix error stack traces to skip `makeError`
+    - deps: iconv-lite@0.4.11
+  * deps: type-is@~1.6.4
+    - deps: mime-types@~2.1.2
+    - perf: enable strict mode
+    - perf: remove argument reassignment
+
+1.13.1 / 2015-06-16
+===================
+
+  * deps: qs@2.4.2
+    - Downgraded from 3.1.0 because of user-visible incompatibilities
+
+1.13.0 / 2015-06-14
+===================
+
+  * Add `statusCode` property on `Error`s, in addition to `status`
+  * Change `type` default to `application/json` for JSON parser
+  * Change `type` default to `application/x-www-form-urlencoded` for urlencoded parser
+  * Provide static `require` analysis
+  * Use the `http-errors` module to generate errors
+  * deps: bytes@2.1.0
+    - Slight optimizations
+  * deps: iconv-lite@0.4.10
+    - The encoding UTF-16 without BOM now defaults to UTF-16LE when detection fails
+    - Leading BOM is now removed when decoding
+  * deps: on-finished@~2.3.0
+    - Add defined behavior for HTTP `CONNECT` requests
+    - Add defined behavior for HTTP `Upgrade` requests
+    - deps: ee-first@1.1.1
+  * deps: qs@3.1.0
+    - Fix dropping parameters like `hasOwnProperty`
+    - Fix various parsing edge cases
+    - Parsed object now has `null` prototype
+  * deps: raw-body@~2.1.1
+    - Use `unpipe` module for unpiping requests
+    - deps: iconv-lite@0.4.10
+  * deps: type-is@~1.6.3
+    - deps: mime-types@~2.1.1
+    - perf: reduce try block size
+    - perf: remove bitwise operations
+  * perf: enable strict mode
+  * perf: remove argument reassignment
+  * perf: remove delete call
+
+1.12.4 / 2015-05-10
+===================
+
+  * deps: debug@~2.2.0
+  * deps: qs@2.4.2
+    - Fix allowing parameters like `constructor`
+  * deps: on-finished@~2.2.1
+  * deps: raw-body@~2.0.1
+    - Fix a false-positive when unpiping in Node.js 0.8
+    - deps: bytes@2.0.1
+  * deps: type-is@~1.6.2
+    - deps: mime-types@~2.0.11
+
+1.12.3 / 2015-04-15
+===================
+
+  * Slight efficiency improvement when not debugging
+  * deps: depd@~1.0.1
+  * deps: iconv-lite@0.4.8
+    - Add encoding alias UNICODE-1-1-UTF-7
+  * deps: raw-body@1.3.4
+    - Fix hanging callback if request aborts during read
+    - deps: iconv-lite@0.4.8
+
+1.12.2 / 2015-03-16
+===================
+
+  * deps: qs@2.4.1
+    - Fix error when parameter `hasOwnProperty` is present
+
+1.12.1 / 2015-03-15
+===================
+
+  * deps: debug@~2.1.3
+    - Fix high intensity foreground color for bold
+    - deps: ms@0.7.0
+  * deps: type-is@~1.6.1
+    - deps: mime-types@~2.0.10
+
+1.12.0 / 2015-02-13
+===================
+
+  * add `debug` messages
+  * accept a function for the `type` option
+  * use `content-type` to parse `Content-Type` headers
+  * deps: iconv-lite@0.4.7
+    - Gracefully support enumerables on `Object.prototype`
+  * deps: raw-body@1.3.3
+    - deps: iconv-lite@0.4.7
+  * deps: type-is@~1.6.0
+    - fix argument reassignment
+    - fix false-positives in `hasBody` `Transfer-Encoding` check
+    - support wildcard for both type and subtype (`*/*`)
+    - deps: mime-types@~2.0.9
+
+1.11.0 / 2015-01-30
+===================
+
+  * make internal `extended: true` depth limit infinity
+  * deps: type-is@~1.5.6
+    - deps: mime-types@~2.0.8
+
+1.10.2 / 2015-01-20
+===================
+
+  * deps: iconv-lite@0.4.6
+    - Fix rare aliases of single-byte encodings
+  * deps: raw-body@1.3.2
+    - deps: iconv-lite@0.4.6
+
+1.10.1 / 2015-01-01
+===================
+
+  * deps: on-finished@~2.2.0
+  * deps: type-is@~1.5.5
+    - deps: mime-types@~2.0.7
+
+1.10.0 / 2014-12-02
+===================
+
+  * make internal `extended: true` array limit dynamic
+
+1.9.3 / 2014-11-21
+==================
+
+  * deps: iconv-lite@0.4.5
+    - Fix Windows-31J and X-SJIS encoding support
+  * deps: qs@2.3.3
+    - Fix `arrayLimit` behavior
+  * deps: raw-body@1.3.1
+    - deps: iconv-lite@0.4.5
+  * deps: type-is@~1.5.3
+    - deps: mime-types@~2.0.3
+
+1.9.2 / 2014-10-27
+==================
+
+  * deps: qs@2.3.2
+    - Fix parsing of mixed objects and values
+
+1.9.1 / 2014-10-22
+==================
+
+  * deps: on-finished@~2.1.1
+    - Fix handling of pipelined requests
+  * deps: qs@2.3.0
+    - Fix parsing of mixed implicit and explicit arrays
+  * deps: type-is@~1.5.2
+    - deps: mime-types@~2.0.2
+
+1.9.0 / 2014-09-24
+==================
+
+  * include the charset in "unsupported charset" error message
+  * include the encoding in "unsupported content encoding" error message
+  * deps: depd@~1.0.0
+
+1.8.4 / 2014-09-23
+==================
+
+  * fix content encoding to be case-insensitive
+
+1.8.3 / 2014-09-19
+==================
+
+  * deps: qs@2.2.4
+    - Fix issue with object keys starting with numbers truncated
+
+1.8.2 / 2014-09-15
+==================
+
+  * deps: depd@0.4.5
+
+1.8.1 / 2014-09-07
+==================
+
+  * deps: media-typer@0.3.0
+  * deps: type-is@~1.5.1
+
+1.8.0 / 2014-09-05
+==================
+
+  * make empty-body-handling consistent between chunked requests
+    - empty `json` produces `{}`
+    - empty `raw` produces `new Buffer(0)`
+    - empty `text` produces `''`
+    - empty `urlencoded` produces `{}`
+  * deps: qs@2.2.3
+    - Fix issue where first empty value in array is discarded
+  * deps: type-is@~1.5.0
+    - fix `hasbody` to be true for `content-length: 0`
+
+1.7.0 / 2014-09-01
+==================
+
+  * add `parameterLimit` option to `urlencoded` parser
+  * change `urlencoded` extended array limit to 100
+  * respond with 413 when over `parameterLimit` in `urlencoded`
+
+1.6.7 / 2014-08-29
+==================
+
+  * deps: qs@2.2.2
+    - Remove unnecessary cloning
+
+1.6.6 / 2014-08-27
+==================
+
+  * deps: qs@2.2.0
+    - Array parsing fix
+    - Performance improvements
+
+1.6.5 / 2014-08-16
+==================
+
+  * deps: on-finished@2.1.0
+
+1.6.4 / 2014-08-14
+==================
+
+  * deps: qs@1.2.2
+
+1.6.3 / 2014-08-10
+==================
+
+  * deps: qs@1.2.1
+
+1.6.2 / 2014-08-07
+==================
+
+  * deps: qs@1.2.0
+    - Fix parsing array of objects
+
+1.6.1 / 2014-08-06
+==================
+
+  * deps: qs@1.1.0
+    - Accept urlencoded square brackets
+    - Accept empty values in implicit array notation
+
+1.6.0 / 2014-08-05
+==================
+
+  * deps: qs@1.0.2
+    - Complete rewrite
+    - Limits array length to 20
+    - Limits object depth to 5
+    - Limits parameters to 1,000
+
+1.5.2 / 2014-07-27
+==================
+
+  * deps: depd@0.4.4
+    - Work-around v8 generating empty stack traces
+
+1.5.1 / 2014-07-26
+==================
+
+  * deps: depd@0.4.3
+    - Fix exception when global `Error.stackTraceLimit` is too low
+
+1.5.0 / 2014-07-20
+==================
+
+  * deps: depd@0.4.2
+    - Add `TRACE_DEPRECATION` environment variable
+    - Remove non-standard grey color from color output
+    - Support `--no-deprecation` argument
+    - Support `--trace-deprecation` argument
+  * deps: iconv-lite@0.4.4
+    - Added encoding UTF-7
+  * deps: raw-body@1.3.0
+    - deps: iconv-lite@0.4.4
+    - Added encoding UTF-7
+    - Fix `Cannot switch to old mode now` error on Node.js 0.10+
+  * deps: type-is@~1.3.2
+
+1.4.3 / 2014-06-19
+==================
+
+  * deps: type-is@1.3.1
+    - fix global variable leak
+
+1.4.2 / 2014-06-19
+==================
+
+  * deps: type-is@1.3.0
+    - improve type parsing
+
+1.4.1 / 2014-06-19
+==================
+
+  * fix urlencoded extended deprecation message
+
+1.4.0 / 2014-06-19
+==================
+
+  * add `text` parser
+  * add `raw` parser
+  * check accepted charset in content-type (accepts utf-8)
+  * check accepted encoding in content-encoding (accepts identity)
+  * deprecate `bodyParser()` middleware; use `.json()` and `.urlencoded()` as needed
+  * deprecate `urlencoded()` without provided `extended` option
+  * lazy-load urlencoded parsers
+  * parsers split into files for reduced mem usage
+  * support gzip and deflate bodies
+    - set `inflate: false` to turn off
+  * deps: raw-body@1.2.2
+    - Support all encodings from `iconv-lite`
+
+1.3.1 / 2014-06-11
+==================
+
+  * deps: type-is@1.2.1
+    - Switch dependency from mime to mime-types@1.0.0
+
+1.3.0 / 2014-05-31
+==================
+
+  * add `extended` option to urlencoded parser
+
+1.2.2 / 2014-05-27
+==================
+
+  * deps: raw-body@1.1.6
+    - assert stream encoding on node.js 0.8
+    - assert stream encoding on node.js < 0.10.6
+    - deps: bytes@1
+
+1.2.1 / 2014-05-26
+==================
+
+  * invoke `next(err)` after request fully read
+    - prevents hung responses and socket hang ups
+
+1.2.0 / 2014-05-11
+==================
+
+  * add `verify` option
+  * deps: type-is@1.2.0
+    - support suffix matching
+
+1.1.2 / 2014-05-11
+==================
+
+  * improve json parser speed
+
+1.1.1 / 2014-05-11
+==================
+
+  * fix repeated limit parsing with every request
+
+1.1.0 / 2014-05-10
+==================
+
+  * add `type` option
+  * deps: pin for safety and consistency
+
+1.0.2 / 2014-04-14
+==================
+
+  * use `type-is` module
+
+1.0.1 / 2014-03-20
+==================
+
+  * lower default limits to 100kb
diff --git a/node_modules/body-parser/LICENSE b/node_modules/body-parser/LICENSE
new file mode 100644
index 000000000..386b7b694
--- /dev/null
+++ b/node_modules/body-parser/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2014-2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/body-parser/README.md b/node_modules/body-parser/README.md
new file mode 100644
index 000000000..1149aff57
--- /dev/null
+++ b/node_modules/body-parser/README.md
@@ -0,0 +1,464 @@
+# body-parser
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Build Status][github-actions-ci-image]][github-actions-ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Node.js body parsing middleware.
+
+Parse incoming request bodies in a middleware before your handlers, available
+under the `req.body` property.
+
+**Note** As `req.body`'s shape is based on user-controlled input, all
+properties and values in this object are untrusted and should be validated
+before trusting. For example, `req.body.foo.toString()` may fail in multiple
+ways, for example the `foo` property may not be there or may not be a string,
+and `toString` may not be a function and instead a string or other user input.
+
+[Learn about the anatomy of an HTTP transaction in Node.js](https://nodejs.org/en/docs/guides/anatomy-of-an-http-transaction/).
+
+_This does not handle multipart bodies_, due to their complex and typically
+large nature. For multipart bodies, you may be interested in the following
+modules:
+
+  * [busboy](https://www.npmjs.org/package/busboy#readme) and
+    [connect-busboy](https://www.npmjs.org/package/connect-busboy#readme)
+  * [multiparty](https://www.npmjs.org/package/multiparty#readme) and
+    [connect-multiparty](https://www.npmjs.org/package/connect-multiparty#readme)
+  * [formidable](https://www.npmjs.org/package/formidable#readme)
+  * [multer](https://www.npmjs.org/package/multer#readme)
+
+This module provides the following parsers:
+
+  * [JSON body parser](#bodyparserjsonoptions)
+  * [Raw body parser](#bodyparserrawoptions)
+  * [Text body parser](#bodyparsertextoptions)
+  * [URL-encoded form body parser](#bodyparserurlencodedoptions)
+
+Other body parsers you might be interested in:
+
+- [body](https://www.npmjs.org/package/body#readme)
+- [co-body](https://www.npmjs.org/package/co-body#readme)
+
+## Installation
+
+```sh
+$ npm install body-parser
+```
+
+## API
+
+```js
+var bodyParser = require('body-parser')
+```
+
+The `bodyParser` object exposes various factories to create middlewares. All
+middlewares will populate the `req.body` property with the parsed body when
+the `Content-Type` request header matches the `type` option, or an empty
+object (`{}`) if there was no body to parse, the `Content-Type` was not matched,
+or an error occurred.
+
+The various errors returned by this module are described in the
+[errors section](#errors).
+
+### bodyParser.json([options])
+
+Returns middleware that only parses `json` and only looks at requests where
+the `Content-Type` header matches the `type` option. This parser accepts any
+Unicode encoding of the body and supports automatic inflation of `gzip` and
+`deflate` encodings.
+
+A new `body` object containing the parsed data is populated on the `request`
+object after the middleware (i.e. `req.body`).
+
+#### Options
+
+The `json` function takes an optional `options` object that may contain any of
+the following keys:
+
+##### inflate
+
+When set to `true`, then deflated (compressed) bodies will be inflated; when
+`false`, deflated bodies are rejected. Defaults to `true`.
+
+##### limit
+
+Controls the maximum request body size. If this is a number, then the value
+specifies the number of bytes; if it is a string, the value is passed to the
+[bytes](https://www.npmjs.com/package/bytes) library for parsing. Defaults
+to `'100kb'`.
+
+##### reviver
+
+The `reviver` option is passed directly to `JSON.parse` as the second
+argument. You can find more information on this argument
+[in the MDN documentation about JSON.parse](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse#Example.3A_Using_the_reviver_parameter).
+
+##### strict
+
+When set to `true`, will only accept arrays and objects; when `false` will
+accept anything `JSON.parse` accepts. Defaults to `true`.
+
+##### type
+
+The `type` option is used to determine what media type the middleware will
+parse. This option can be a string, array of strings, or a function. If not a
+function, `type` option is passed directly to the
+[type-is](https://www.npmjs.org/package/type-is#readme) library and this can
+be an extension name (like `json`), a mime type (like `application/json`), or
+a mime type with a wildcard (like `*/*` or `*/json`). If a function, the `type`
+option is called as `fn(req)` and the request is parsed if it returns a truthy
+value. Defaults to `application/json`.
+
+##### verify
+
+The `verify` option, if supplied, is called as `verify(req, res, buf, encoding)`,
+where `buf` is a `Buffer` of the raw request body and `encoding` is the
+encoding of the request. The parsing can be aborted by throwing an error.
+
+### bodyParser.raw([options])
+
+Returns middleware that parses all bodies as a `Buffer` and only looks at
+requests where the `Content-Type` header matches the `type` option. This
+parser supports automatic inflation of `gzip` and `deflate` encodings.
+
+A new `body` object containing the parsed data is populated on the `request`
+object after the middleware (i.e. `req.body`). This will be a `Buffer` object
+of the body.
+
+#### Options
+
+The `raw` function takes an optional `options` object that may contain any of
+the following keys:
+
+##### inflate
+
+When set to `true`, then deflated (compressed) bodies will be inflated; when
+`false`, deflated bodies are rejected. Defaults to `true`.
+
+##### limit
+
+Controls the maximum request body size. If this is a number, then the value
+specifies the number of bytes; if it is a string, the value is passed to the
+[bytes](https://www.npmjs.com/package/bytes) library for parsing. Defaults
+to `'100kb'`.
+
+##### type
+
+The `type` option is used to determine what media type the middleware will
+parse. This option can be a string, array of strings, or a function.
+If not a function, `type` option is passed directly to the
+[type-is](https://www.npmjs.org/package/type-is#readme) library and this
+can be an extension name (like `bin`), a mime type (like
+`application/octet-stream`), or a mime type with a wildcard (like `*/*` or
+`application/*`). If a function, the `type` option is called as `fn(req)`
+and the request is parsed if it returns a truthy value. Defaults to
+`application/octet-stream`.
+
+##### verify
+
+The `verify` option, if supplied, is called as `verify(req, res, buf, encoding)`,
+where `buf` is a `Buffer` of the raw request body and `encoding` is the
+encoding of the request. The parsing can be aborted by throwing an error.
+
+### bodyParser.text([options])
+
+Returns middleware that parses all bodies as a string and only looks at
+requests where the `Content-Type` header matches the `type` option. This
+parser supports automatic inflation of `gzip` and `deflate` encodings.
+
+A new `body` string containing the parsed data is populated on the `request`
+object after the middleware (i.e. `req.body`). This will be a string of the
+body.
+
+#### Options
+
+The `text` function takes an optional `options` object that may contain any of
+the following keys:
+
+##### defaultCharset
+
+Specify the default character set for the text content if the charset is not
+specified in the `Content-Type` header of the request. Defaults to `utf-8`.
+
+##### inflate
+
+When set to `true`, then deflated (compressed) bodies will be inflated; when
+`false`, deflated bodies are rejected. Defaults to `true`.
+
+##### limit
+
+Controls the maximum request body size. If this is a number, then the value
+specifies the number of bytes; if it is a string, the value is passed to the
+[bytes](https://www.npmjs.com/package/bytes) library for parsing. Defaults
+to `'100kb'`.
+
+##### type
+
+The `type` option is used to determine what media type the middleware will
+parse. This option can be a string, array of strings, or a function. If not
+a function, `type` option is passed directly to the
+[type-is](https://www.npmjs.org/package/type-is#readme) library and this can
+be an extension name (like `txt`), a mime type (like `text/plain`), or a mime
+type with a wildcard (like `*/*` or `text/*`). If a function, the `type`
+option is called as `fn(req)` and the request is parsed if it returns a
+truthy value. Defaults to `text/plain`.
+
+##### verify
+
+The `verify` option, if supplied, is called as `verify(req, res, buf, encoding)`,
+where `buf` is a `Buffer` of the raw request body and `encoding` is the
+encoding of the request. The parsing can be aborted by throwing an error.
+
+### bodyParser.urlencoded([options])
+
+Returns middleware that only parses `urlencoded` bodies and only looks at
+requests where the `Content-Type` header matches the `type` option. This
+parser accepts only UTF-8 encoding of the body and supports automatic
+inflation of `gzip` and `deflate` encodings.
+
+A new `body` object containing the parsed data is populated on the `request`
+object after the middleware (i.e. `req.body`). This object will contain
+key-value pairs, where the value can be a string or array (when `extended` is
+`false`), or any type (when `extended` is `true`).
+
+#### Options
+
+The `urlencoded` function takes an optional `options` object that may contain
+any of the following keys:
+
+##### extended
+
+The `extended` option allows to choose between parsing the URL-encoded data
+with the `querystring` library (when `false`) or the `qs` library (when
+`true`). The "extended" syntax allows for rich objects and arrays to be
+encoded into the URL-encoded format, allowing for a JSON-like experience
+with URL-encoded. For more information, please
+[see the qs library](https://www.npmjs.org/package/qs#readme).
+
+Defaults to `true`, but using the default has been deprecated. Please
+research into the difference between `qs` and `querystring` and choose the
+appropriate setting.
+
+##### inflate
+
+When set to `true`, then deflated (compressed) bodies will be inflated; when
+`false`, deflated bodies are rejected. Defaults to `true`.
+
+##### limit
+
+Controls the maximum request body size. If this is a number, then the value
+specifies the number of bytes; if it is a string, the value is passed to the
+[bytes](https://www.npmjs.com/package/bytes) library for parsing. Defaults
+to `'100kb'`.
+
+##### parameterLimit
+
+The `parameterLimit` option controls the maximum number of parameters that
+are allowed in the URL-encoded data. If a request contains more parameters
+than this value, a 413 will be returned to the client. Defaults to `1000`.
+
+##### type
+
+The `type` option is used to determine what media type the middleware will
+parse. This option can be a string, array of strings, or a function. If not
+a function, `type` option is passed directly to the
+[type-is](https://www.npmjs.org/package/type-is#readme) library and this can
+be an extension name (like `urlencoded`), a mime type (like
+`application/x-www-form-urlencoded`), or a mime type with a wildcard (like
+`*/x-www-form-urlencoded`). If a function, the `type` option is called as
+`fn(req)` and the request is parsed if it returns a truthy value. Defaults
+to `application/x-www-form-urlencoded`.
+
+##### verify
+
+The `verify` option, if supplied, is called as `verify(req, res, buf, encoding)`,
+where `buf` is a `Buffer` of the raw request body and `encoding` is the
+encoding of the request. The parsing can be aborted by throwing an error.
+
+## Errors
+
+The middlewares provided by this module create errors using the
+[`http-errors` module](https://www.npmjs.com/package/http-errors). The errors
+will typically have a `status`/`statusCode` property that contains the suggested
+HTTP response code, an `expose` property to determine if the `message` property
+should be displayed to the client, a `type` property to determine the type of
+error without matching against the `message`, and a `body` property containing
+the read body, if available.
+
+The following are the common errors created, though any error can come through
+for various reasons.
+
+### content encoding unsupported
+
+This error will occur when the request had a `Content-Encoding` header that
+contained an encoding but the "inflation" option was set to `false`. The
+`status` property is set to `415`, the `type` property is set to
+`'encoding.unsupported'`, and the `charset` property will be set to the
+encoding that is unsupported.
+
+### entity parse failed
+
+This error will occur when the request contained an entity that could not be
+parsed by the middleware. The `status` property is set to `400`, the `type`
+property is set to `'entity.parse.failed'`, and the `body` property is set to
+the entity value that failed parsing.
+
+### entity verify failed
+
+This error will occur when the request contained an entity that could not be
+failed verification by the defined `verify` option. The `status` property is
+set to `403`, the `type` property is set to `'entity.verify.failed'`, and the
+`body` property is set to the entity value that failed verification.
+
+### request aborted
+
+This error will occur when the request is aborted by the client before reading
+the body has finished. The `received` property will be set to the number of
+bytes received before the request was aborted and the `expected` property is
+set to the number of expected bytes. The `status` property is set to `400`
+and `type` property is set to `'request.aborted'`.
+
+### request entity too large
+
+This error will occur when the request body's size is larger than the "limit"
+option. The `limit` property will be set to the byte limit and the `length`
+property will be set to the request body's length. The `status` property is
+set to `413` and the `type` property is set to `'entity.too.large'`.
+
+### request size did not match content length
+
+This error will occur when the request's length did not match the length from
+the `Content-Length` header. This typically occurs when the request is malformed,
+typically when the `Content-Length` header was calculated based on characters
+instead of bytes. The `status` property is set to `400` and the `type` property
+is set to `'request.size.invalid'`.
+
+### stream encoding should not be set
+
+This error will occur when something called the `req.setEncoding` method prior
+to this middleware. This module operates directly on bytes only and you cannot
+call `req.setEncoding` when using this module. The `status` property is set to
+`500` and the `type` property is set to `'stream.encoding.set'`.
+
+### stream is not readable
+
+This error will occur when the request is no longer readable when this middleware
+attempts to read it. This typically means something other than a middleware from
+this module read the reqest body already and the middleware was also configured to
+read the same request. The `status` property is set to `500` and the `type`
+property is set to `'stream.not.readable'`.
+
+### too many parameters
+
+This error will occur when the content of the request exceeds the configured
+`parameterLimit` for the `urlencoded` parser. The `status` property is set to
+`413` and the `type` property is set to `'parameters.too.many'`.
+
+### unsupported charset "BOGUS"
+
+This error will occur when the request had a charset parameter in the
+`Content-Type` header, but the `iconv-lite` module does not support it OR the
+parser does not support it. The charset is contained in the message as well
+as in the `charset` property. The `status` property is set to `415`, the
+`type` property is set to `'charset.unsupported'`, and the `charset` property
+is set to the charset that is unsupported.
+
+### unsupported content encoding "bogus"
+
+This error will occur when the request had a `Content-Encoding` header that
+contained an unsupported encoding. The encoding is contained in the message
+as well as in the `encoding` property. The `status` property is set to `415`,
+the `type` property is set to `'encoding.unsupported'`, and the `encoding`
+property is set to the encoding that is unsupported.
+
+## Examples
+
+### Express/Connect top-level generic
+
+This example demonstrates adding a generic JSON and URL-encoded parser as a
+top-level middleware, which will parse the bodies of all incoming requests.
+This is the simplest setup.
+
+```js
+var express = require('express')
+var bodyParser = require('body-parser')
+
+var app = express()
+
+// parse application/x-www-form-urlencoded
+app.use(bodyParser.urlencoded({ extended: false }))
+
+// parse application/json
+app.use(bodyParser.json())
+
+app.use(function (req, res) {
+  res.setHeader('Content-Type', 'text/plain')
+  res.write('you posted:\n')
+  res.end(JSON.stringify(req.body, null, 2))
+})
+```
+
+### Express route-specific
+
+This example demonstrates adding body parsers specifically to the routes that
+need them. In general, this is the most recommended way to use body-parser with
+Express.
+
+```js
+var express = require('express')
+var bodyParser = require('body-parser')
+
+var app = express()
+
+// create application/json parser
+var jsonParser = bodyParser.json()
+
+// create application/x-www-form-urlencoded parser
+var urlencodedParser = bodyParser.urlencoded({ extended: false })
+
+// POST /login gets urlencoded bodies
+app.post('/login', urlencodedParser, function (req, res) {
+  res.send('welcome, ' + req.body.username)
+})
+
+// POST /api/users gets JSON bodies
+app.post('/api/users', jsonParser, function (req, res) {
+  // create user in req.body
+})
+```
+
+### Change accepted type for parsers
+
+All the parsers accept a `type` option which allows you to change the
+`Content-Type` that the middleware will parse.
+
+```js
+var express = require('express')
+var bodyParser = require('body-parser')
+
+var app = express()
+
+// parse various different custom JSON types as JSON
+app.use(bodyParser.json({ type: 'application/*+json' }))
+
+// parse some custom thing into a Buffer
+app.use(bodyParser.raw({ type: 'application/vnd.custom-type' }))
+
+// parse an HTML body into a string
+app.use(bodyParser.text({ type: 'text/html' }))
+```
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/body-parser.svg
+[npm-url]: https://npmjs.org/package/body-parser
+[coveralls-image]: https://img.shields.io/coveralls/expressjs/body-parser/master.svg
+[coveralls-url]: https://coveralls.io/r/expressjs/body-parser?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/body-parser.svg
+[downloads-url]: https://npmjs.org/package/body-parser
+[github-actions-ci-image]: https://img.shields.io/github/workflow/status/expressjs/body-parser/ci/master?label=ci
+[github-actions-ci-url]: https://github.com/expressjs/body-parser/actions/workflows/ci.yml
diff --git a/node_modules/body-parser/SECURITY.md b/node_modules/body-parser/SECURITY.md
new file mode 100644
index 000000000..9694d4296
--- /dev/null
+++ b/node_modules/body-parser/SECURITY.md
@@ -0,0 +1,25 @@
+# Security Policies and Procedures
+
+## Reporting a Bug
+
+The Express team and community take all security bugs seriously. Thank you
+for improving the security of Express. We appreciate your efforts and
+responsible disclosure and will make every effort to acknowledge your
+contributions.
+
+Report security bugs by emailing the current owner(s) of `body-parser`. This
+information can be found in the npm registry using the command
+`npm owner ls body-parser`.
+If unsure or unable to get the information from the above, open an issue
+in the [project issue tracker](https://github.com/expressjs/body-parser/issues)
+asking for the current contact information.
+
+To ensure the timely response to your report, please ensure that the entirety
+of the report is contained within the email body and not solely behind a web
+link or an attachment.
+
+At least one owner will acknowledge your email within 48 hours, and will send a
+more detailed response within 48 hours indicating the next steps in handling
+your report. After the initial reply to your report, the owners will
+endeavor to keep you informed of the progress towards a fix and full
+announcement, and may ask for additional information or guidance.
diff --git a/node_modules/body-parser/index.js b/node_modules/body-parser/index.js
new file mode 100644
index 000000000..93c3a1fff
--- /dev/null
+++ b/node_modules/body-parser/index.js
@@ -0,0 +1,157 @@
+/*!
+ * body-parser
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var deprecate = require('depd')('body-parser')
+
+/**
+ * Cache of loaded parsers.
+ * @private
+ */
+
+var parsers = Object.create(null)
+
+/**
+ * @typedef Parsers
+ * @type {function}
+ * @property {function} json
+ * @property {function} raw
+ * @property {function} text
+ * @property {function} urlencoded
+ */
+
+/**
+ * Module exports.
+ * @type {Parsers}
+ */
+
+exports = module.exports = deprecate.function(bodyParser,
+  'bodyParser: use individual json/urlencoded middlewares')
+
+/**
+ * JSON parser.
+ * @public
+ */
+
+Object.defineProperty(exports, 'json', {
+  configurable: true,
+  enumerable: true,
+  get: createParserGetter('json')
+})
+
+/**
+ * Raw parser.
+ * @public
+ */
+
+Object.defineProperty(exports, 'raw', {
+  configurable: true,
+  enumerable: true,
+  get: createParserGetter('raw')
+})
+
+/**
+ * Text parser.
+ * @public
+ */
+
+Object.defineProperty(exports, 'text', {
+  configurable: true,
+  enumerable: true,
+  get: createParserGetter('text')
+})
+
+/**
+ * URL-encoded parser.
+ * @public
+ */
+
+Object.defineProperty(exports, 'urlencoded', {
+  configurable: true,
+  enumerable: true,
+  get: createParserGetter('urlencoded')
+})
+
+/**
+ * Create a middleware to parse json and urlencoded bodies.
+ *
+ * @param {object} [options]
+ * @return {function}
+ * @deprecated
+ * @public
+ */
+
+function bodyParser (options) {
+  var opts = {}
+
+  // exclude type option
+  if (options) {
+    for (var prop in options) {
+      if (prop !== 'type') {
+        opts[prop] = options[prop]
+      }
+    }
+  }
+
+  var _urlencoded = exports.urlencoded(opts)
+  var _json = exports.json(opts)
+
+  return function bodyParser (req, res, next) {
+    _json(req, res, function (err) {
+      if (err) return next(err)
+      _urlencoded(req, res, next)
+    })
+  }
+}
+
+/**
+ * Create a getter for loading a parser.
+ * @private
+ */
+
+function createParserGetter (name) {
+  return function get () {
+    return loadParser(name)
+  }
+}
+
+/**
+ * Load a parser module.
+ * @private
+ */
+
+function loadParser (parserName) {
+  var parser = parsers[parserName]
+
+  if (parser !== undefined) {
+    return parser
+  }
+
+  // this uses a switch for static require analysis
+  switch (parserName) {
+    case 'json':
+      parser = require('./lib/types/json')
+      break
+    case 'raw':
+      parser = require('./lib/types/raw')
+      break
+    case 'text':
+      parser = require('./lib/types/text')
+      break
+    case 'urlencoded':
+      parser = require('./lib/types/urlencoded')
+      break
+  }
+
+  // store to prevent invoking require()
+  return (parsers[parserName] = parser)
+}
diff --git a/node_modules/body-parser/lib/read.js b/node_modules/body-parser/lib/read.js
new file mode 100644
index 000000000..fce6283f5
--- /dev/null
+++ b/node_modules/body-parser/lib/read.js
@@ -0,0 +1,205 @@
+/*!
+ * body-parser
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var createError = require('http-errors')
+var destroy = require('destroy')
+var getBody = require('raw-body')
+var iconv = require('iconv-lite')
+var onFinished = require('on-finished')
+var unpipe = require('unpipe')
+var zlib = require('zlib')
+
+/**
+ * Module exports.
+ */
+
+module.exports = read
+
+/**
+ * Read a request into a buffer and parse.
+ *
+ * @param {object} req
+ * @param {object} res
+ * @param {function} next
+ * @param {function} parse
+ * @param {function} debug
+ * @param {object} options
+ * @private
+ */
+
+function read (req, res, next, parse, debug, options) {
+  var length
+  var opts = options
+  var stream
+
+  // flag as parsed
+  req._body = true
+
+  // read options
+  var encoding = opts.encoding !== null
+    ? opts.encoding
+    : null
+  var verify = opts.verify
+
+  try {
+    // get the content stream
+    stream = contentstream(req, debug, opts.inflate)
+    length = stream.length
+    stream.length = undefined
+  } catch (err) {
+    return next(err)
+  }
+
+  // set raw-body options
+  opts.length = length
+  opts.encoding = verify
+    ? null
+    : encoding
+
+  // assert charset is supported
+  if (opts.encoding === null && encoding !== null && !iconv.encodingExists(encoding)) {
+    return next(createError(415, 'unsupported charset "' + encoding.toUpperCase() + '"', {
+      charset: encoding.toLowerCase(),
+      type: 'charset.unsupported'
+    }))
+  }
+
+  // read body
+  debug('read body')
+  getBody(stream, opts, function (error, body) {
+    if (error) {
+      var _error
+
+      if (error.type === 'encoding.unsupported') {
+        // echo back charset
+        _error = createError(415, 'unsupported charset "' + encoding.toUpperCase() + '"', {
+          charset: encoding.toLowerCase(),
+          type: 'charset.unsupported'
+        })
+      } else {
+        // set status code on error
+        _error = createError(400, error)
+      }
+
+      // unpipe from stream and destroy
+      if (stream !== req) {
+        unpipe(req)
+        destroy(stream, true)
+      }
+
+      // read off entire request
+      dump(req, function onfinished () {
+        next(createError(400, _error))
+      })
+      return
+    }
+
+    // verify
+    if (verify) {
+      try {
+        debug('verify body')
+        verify(req, res, body, encoding)
+      } catch (err) {
+        next(createError(403, err, {
+          body: body,
+          type: err.type || 'entity.verify.failed'
+        }))
+        return
+      }
+    }
+
+    // parse
+    var str = body
+    try {
+      debug('parse body')
+      str = typeof body !== 'string' && encoding !== null
+        ? iconv.decode(body, encoding)
+        : body
+      req.body = parse(str)
+    } catch (err) {
+      next(createError(400, err, {
+        body: str,
+        type: err.type || 'entity.parse.failed'
+      }))
+      return
+    }
+
+    next()
+  })
+}
+
+/**
+ * Get the content stream of the request.
+ *
+ * @param {object} req
+ * @param {function} debug
+ * @param {boolean} [inflate=true]
+ * @return {object}
+ * @api private
+ */
+
+function contentstream (req, debug, inflate) {
+  var encoding = (req.headers['content-encoding'] || 'identity').toLowerCase()
+  var length = req.headers['content-length']
+  var stream
+
+  debug('content-encoding "%s"', encoding)
+
+  if (inflate === false && encoding !== 'identity') {
+    throw createError(415, 'content encoding unsupported', {
+      encoding: encoding,
+      type: 'encoding.unsupported'
+    })
+  }
+
+  switch (encoding) {
+    case 'deflate':
+      stream = zlib.createInflate()
+      debug('inflate body')
+      req.pipe(stream)
+      break
+    case 'gzip':
+      stream = zlib.createGunzip()
+      debug('gunzip body')
+      req.pipe(stream)
+      break
+    case 'identity':
+      stream = req
+      stream.length = length
+      break
+    default:
+      throw createError(415, 'unsupported content encoding "' + encoding + '"', {
+        encoding: encoding,
+        type: 'encoding.unsupported'
+      })
+  }
+
+  return stream
+}
+
+/**
+ * Dump the contents of a request.
+ *
+ * @param {object} req
+ * @param {function} callback
+ * @api private
+ */
+
+function dump (req, callback) {
+  if (onFinished.isFinished(req)) {
+    callback(null)
+  } else {
+    onFinished(req, callback)
+    req.resume()
+  }
+}
diff --git a/node_modules/body-parser/lib/types/json.js b/node_modules/body-parser/lib/types/json.js
new file mode 100644
index 000000000..c2745be3a
--- /dev/null
+++ b/node_modules/body-parser/lib/types/json.js
@@ -0,0 +1,236 @@
+/*!
+ * body-parser
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var bytes = require('bytes')
+var contentType = require('content-type')
+var createError = require('http-errors')
+var debug = require('debug')('body-parser:json')
+var read = require('../read')
+var typeis = require('type-is')
+
+/**
+ * Module exports.
+ */
+
+module.exports = json
+
+/**
+ * RegExp to match the first non-space in a string.
+ *
+ * Allowed whitespace is defined in RFC 7159:
+ *
+ *    ws = *(
+ *            %x20 /              ; Space
+ *            %x09 /              ; Horizontal tab
+ *            %x0A /              ; Line feed or New line
+ *            %x0D )              ; Carriage return
+ */
+
+var FIRST_CHAR_REGEXP = /^[\x20\x09\x0a\x0d]*([^\x20\x09\x0a\x0d])/ // eslint-disable-line no-control-regex
+
+/**
+ * Create a middleware to parse JSON bodies.
+ *
+ * @param {object} [options]
+ * @return {function}
+ * @public
+ */
+
+function json (options) {
+  var opts = options || {}
+
+  var limit = typeof opts.limit !== 'number'
+    ? bytes.parse(opts.limit || '100kb')
+    : opts.limit
+  var inflate = opts.inflate !== false
+  var reviver = opts.reviver
+  var strict = opts.strict !== false
+  var type = opts.type || 'application/json'
+  var verify = opts.verify || false
+
+  if (verify !== false && typeof verify !== 'function') {
+    throw new TypeError('option verify must be function')
+  }
+
+  // create the appropriate type checking function
+  var shouldParse = typeof type !== 'function'
+    ? typeChecker(type)
+    : type
+
+  function parse (body) {
+    if (body.length === 0) {
+      // special-case empty json body, as it's a common client-side mistake
+      // TODO: maybe make this configurable or part of "strict" option
+      return {}
+    }
+
+    if (strict) {
+      var first = firstchar(body)
+
+      if (first !== '{' && first !== '[') {
+        debug('strict violation')
+        throw createStrictSyntaxError(body, first)
+      }
+    }
+
+    try {
+      debug('parse json')
+      return JSON.parse(body, reviver)
+    } catch (e) {
+      throw normalizeJsonSyntaxError(e, {
+        message: e.message,
+        stack: e.stack
+      })
+    }
+  }
+
+  return function jsonParser (req, res, next) {
+    if (req._body) {
+      debug('body already parsed')
+      next()
+      return
+    }
+
+    req.body = req.body || {}
+
+    // skip requests without bodies
+    if (!typeis.hasBody(req)) {
+      debug('skip empty body')
+      next()
+      return
+    }
+
+    debug('content-type %j', req.headers['content-type'])
+
+    // determine if request should be parsed
+    if (!shouldParse(req)) {
+      debug('skip parsing')
+      next()
+      return
+    }
+
+    // assert charset per RFC 7159 sec 8.1
+    var charset = getCharset(req) || 'utf-8'
+    if (charset.slice(0, 4) !== 'utf-') {
+      debug('invalid charset')
+      next(createError(415, 'unsupported charset "' + charset.toUpperCase() + '"', {
+        charset: charset,
+        type: 'charset.unsupported'
+      }))
+      return
+    }
+
+    // read
+    read(req, res, next, parse, debug, {
+      encoding: charset,
+      inflate: inflate,
+      limit: limit,
+      verify: verify
+    })
+  }
+}
+
+/**
+ * Create strict violation syntax error matching native error.
+ *
+ * @param {string} str
+ * @param {string} char
+ * @return {Error}
+ * @private
+ */
+
+function createStrictSyntaxError (str, char) {
+  var index = str.indexOf(char)
+  var partial = index !== -1
+    ? str.substring(0, index) + '#'
+    : ''
+
+  try {
+    JSON.parse(partial); /* istanbul ignore next */ throw new SyntaxError('strict violation')
+  } catch (e) {
+    return normalizeJsonSyntaxError(e, {
+      message: e.message.replace('#', char),
+      stack: e.stack
+    })
+  }
+}
+
+/**
+ * Get the first non-whitespace character in a string.
+ *
+ * @param {string} str
+ * @return {function}
+ * @private
+ */
+
+function firstchar (str) {
+  var match = FIRST_CHAR_REGEXP.exec(str)
+
+  return match
+    ? match[1]
+    : undefined
+}
+
+/**
+ * Get the charset of a request.
+ *
+ * @param {object} req
+ * @api private
+ */
+
+function getCharset (req) {
+  try {
+    return (contentType.parse(req).parameters.charset || '').toLowerCase()
+  } catch (e) {
+    return undefined
+  }
+}
+
+/**
+ * Normalize a SyntaxError for JSON.parse.
+ *
+ * @param {SyntaxError} error
+ * @param {object} obj
+ * @return {SyntaxError}
+ */
+
+function normalizeJsonSyntaxError (error, obj) {
+  var keys = Object.getOwnPropertyNames(error)
+
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i]
+    if (key !== 'stack' && key !== 'message') {
+      delete error[key]
+    }
+  }
+
+  // replace stack before message for Node.js 0.10 and below
+  error.stack = obj.stack.replace(error.message, obj.message)
+  error.message = obj.message
+
+  return error
+}
+
+/**
+ * Get the simple type checker.
+ *
+ * @param {string} type
+ * @return {function}
+ */
+
+function typeChecker (type) {
+  return function checkType (req) {
+    return Boolean(typeis(req, type))
+  }
+}
diff --git a/node_modules/body-parser/lib/types/raw.js b/node_modules/body-parser/lib/types/raw.js
new file mode 100644
index 000000000..f5d1b6747
--- /dev/null
+++ b/node_modules/body-parser/lib/types/raw.js
@@ -0,0 +1,101 @@
+/*!
+ * body-parser
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ */
+
+var bytes = require('bytes')
+var debug = require('debug')('body-parser:raw')
+var read = require('../read')
+var typeis = require('type-is')
+
+/**
+ * Module exports.
+ */
+
+module.exports = raw
+
+/**
+ * Create a middleware to parse raw bodies.
+ *
+ * @param {object} [options]
+ * @return {function}
+ * @api public
+ */
+
+function raw (options) {
+  var opts = options || {}
+
+  var inflate = opts.inflate !== false
+  var limit = typeof opts.limit !== 'number'
+    ? bytes.parse(opts.limit || '100kb')
+    : opts.limit
+  var type = opts.type || 'application/octet-stream'
+  var verify = opts.verify || false
+
+  if (verify !== false && typeof verify !== 'function') {
+    throw new TypeError('option verify must be function')
+  }
+
+  // create the appropriate type checking function
+  var shouldParse = typeof type !== 'function'
+    ? typeChecker(type)
+    : type
+
+  function parse (buf) {
+    return buf
+  }
+
+  return function rawParser (req, res, next) {
+    if (req._body) {
+      debug('body already parsed')
+      next()
+      return
+    }
+
+    req.body = req.body || {}
+
+    // skip requests without bodies
+    if (!typeis.hasBody(req)) {
+      debug('skip empty body')
+      next()
+      return
+    }
+
+    debug('content-type %j', req.headers['content-type'])
+
+    // determine if request should be parsed
+    if (!shouldParse(req)) {
+      debug('skip parsing')
+      next()
+      return
+    }
+
+    // read
+    read(req, res, next, parse, debug, {
+      encoding: null,
+      inflate: inflate,
+      limit: limit,
+      verify: verify
+    })
+  }
+}
+
+/**
+ * Get the simple type checker.
+ *
+ * @param {string} type
+ * @return {function}
+ */
+
+function typeChecker (type) {
+  return function checkType (req) {
+    return Boolean(typeis(req, type))
+  }
+}
diff --git a/node_modules/body-parser/lib/types/text.js b/node_modules/body-parser/lib/types/text.js
new file mode 100644
index 000000000..083a00908
--- /dev/null
+++ b/node_modules/body-parser/lib/types/text.js
@@ -0,0 +1,121 @@
+/*!
+ * body-parser
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ */
+
+var bytes = require('bytes')
+var contentType = require('content-type')
+var debug = require('debug')('body-parser:text')
+var read = require('../read')
+var typeis = require('type-is')
+
+/**
+ * Module exports.
+ */
+
+module.exports = text
+
+/**
+ * Create a middleware to parse text bodies.
+ *
+ * @param {object} [options]
+ * @return {function}
+ * @api public
+ */
+
+function text (options) {
+  var opts = options || {}
+
+  var defaultCharset = opts.defaultCharset || 'utf-8'
+  var inflate = opts.inflate !== false
+  var limit = typeof opts.limit !== 'number'
+    ? bytes.parse(opts.limit || '100kb')
+    : opts.limit
+  var type = opts.type || 'text/plain'
+  var verify = opts.verify || false
+
+  if (verify !== false && typeof verify !== 'function') {
+    throw new TypeError('option verify must be function')
+  }
+
+  // create the appropriate type checking function
+  var shouldParse = typeof type !== 'function'
+    ? typeChecker(type)
+    : type
+
+  function parse (buf) {
+    return buf
+  }
+
+  return function textParser (req, res, next) {
+    if (req._body) {
+      debug('body already parsed')
+      next()
+      return
+    }
+
+    req.body = req.body || {}
+
+    // skip requests without bodies
+    if (!typeis.hasBody(req)) {
+      debug('skip empty body')
+      next()
+      return
+    }
+
+    debug('content-type %j', req.headers['content-type'])
+
+    // determine if request should be parsed
+    if (!shouldParse(req)) {
+      debug('skip parsing')
+      next()
+      return
+    }
+
+    // get charset
+    var charset = getCharset(req) || defaultCharset
+
+    // read
+    read(req, res, next, parse, debug, {
+      encoding: charset,
+      inflate: inflate,
+      limit: limit,
+      verify: verify
+    })
+  }
+}
+
+/**
+ * Get the charset of a request.
+ *
+ * @param {object} req
+ * @api private
+ */
+
+function getCharset (req) {
+  try {
+    return (contentType.parse(req).parameters.charset || '').toLowerCase()
+  } catch (e) {
+    return undefined
+  }
+}
+
+/**
+ * Get the simple type checker.
+ *
+ * @param {string} type
+ * @return {function}
+ */
+
+function typeChecker (type) {
+  return function checkType (req) {
+    return Boolean(typeis(req, type))
+  }
+}
diff --git a/node_modules/body-parser/lib/types/urlencoded.js b/node_modules/body-parser/lib/types/urlencoded.js
new file mode 100644
index 000000000..b2ca8f16d
--- /dev/null
+++ b/node_modules/body-parser/lib/types/urlencoded.js
@@ -0,0 +1,284 @@
+/*!
+ * body-parser
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var bytes = require('bytes')
+var contentType = require('content-type')
+var createError = require('http-errors')
+var debug = require('debug')('body-parser:urlencoded')
+var deprecate = require('depd')('body-parser')
+var read = require('../read')
+var typeis = require('type-is')
+
+/**
+ * Module exports.
+ */
+
+module.exports = urlencoded
+
+/**
+ * Cache of parser modules.
+ */
+
+var parsers = Object.create(null)
+
+/**
+ * Create a middleware to parse urlencoded bodies.
+ *
+ * @param {object} [options]
+ * @return {function}
+ * @public
+ */
+
+function urlencoded (options) {
+  var opts = options || {}
+
+  // notice because option default will flip in next major
+  if (opts.extended === undefined) {
+    deprecate('undefined extended: provide extended option')
+  }
+
+  var extended = opts.extended !== false
+  var inflate = opts.inflate !== false
+  var limit = typeof opts.limit !== 'number'
+    ? bytes.parse(opts.limit || '100kb')
+    : opts.limit
+  var type = opts.type || 'application/x-www-form-urlencoded'
+  var verify = opts.verify || false
+
+  if (verify !== false && typeof verify !== 'function') {
+    throw new TypeError('option verify must be function')
+  }
+
+  // create the appropriate query parser
+  var queryparse = extended
+    ? extendedparser(opts)
+    : simpleparser(opts)
+
+  // create the appropriate type checking function
+  var shouldParse = typeof type !== 'function'
+    ? typeChecker(type)
+    : type
+
+  function parse (body) {
+    return body.length
+      ? queryparse(body)
+      : {}
+  }
+
+  return function urlencodedParser (req, res, next) {
+    if (req._body) {
+      debug('body already parsed')
+      next()
+      return
+    }
+
+    req.body = req.body || {}
+
+    // skip requests without bodies
+    if (!typeis.hasBody(req)) {
+      debug('skip empty body')
+      next()
+      return
+    }
+
+    debug('content-type %j', req.headers['content-type'])
+
+    // determine if request should be parsed
+    if (!shouldParse(req)) {
+      debug('skip parsing')
+      next()
+      return
+    }
+
+    // assert charset
+    var charset = getCharset(req) || 'utf-8'
+    if (charset !== 'utf-8') {
+      debug('invalid charset')
+      next(createError(415, 'unsupported charset "' + charset.toUpperCase() + '"', {
+        charset: charset,
+        type: 'charset.unsupported'
+      }))
+      return
+    }
+
+    // read
+    read(req, res, next, parse, debug, {
+      debug: debug,
+      encoding: charset,
+      inflate: inflate,
+      limit: limit,
+      verify: verify
+    })
+  }
+}
+
+/**
+ * Get the extended query parser.
+ *
+ * @param {object} options
+ */
+
+function extendedparser (options) {
+  var parameterLimit = options.parameterLimit !== undefined
+    ? options.parameterLimit
+    : 1000
+  var parse = parser('qs')
+
+  if (isNaN(parameterLimit) || parameterLimit < 1) {
+    throw new TypeError('option parameterLimit must be a positive number')
+  }
+
+  if (isFinite(parameterLimit)) {
+    parameterLimit = parameterLimit | 0
+  }
+
+  return function queryparse (body) {
+    var paramCount = parameterCount(body, parameterLimit)
+
+    if (paramCount === undefined) {
+      debug('too many parameters')
+      throw createError(413, 'too many parameters', {
+        type: 'parameters.too.many'
+      })
+    }
+
+    var arrayLimit = Math.max(100, paramCount)
+
+    debug('parse extended urlencoding')
+    return parse(body, {
+      allowPrototypes: true,
+      arrayLimit: arrayLimit,
+      depth: Infinity,
+      parameterLimit: parameterLimit
+    })
+  }
+}
+
+/**
+ * Get the charset of a request.
+ *
+ * @param {object} req
+ * @api private
+ */
+
+function getCharset (req) {
+  try {
+    return (contentType.parse(req).parameters.charset || '').toLowerCase()
+  } catch (e) {
+    return undefined
+  }
+}
+
+/**
+ * Count the number of parameters, stopping once limit reached
+ *
+ * @param {string} body
+ * @param {number} limit
+ * @api private
+ */
+
+function parameterCount (body, limit) {
+  var count = 0
+  var index = 0
+
+  while ((index = body.indexOf('&', index)) !== -1) {
+    count++
+    index++
+
+    if (count === limit) {
+      return undefined
+    }
+  }
+
+  return count
+}
+
+/**
+ * Get parser for module name dynamically.
+ *
+ * @param {string} name
+ * @return {function}
+ * @api private
+ */
+
+function parser (name) {
+  var mod = parsers[name]
+
+  if (mod !== undefined) {
+    return mod.parse
+  }
+
+  // this uses a switch for static require analysis
+  switch (name) {
+    case 'qs':
+      mod = require('qs')
+      break
+    case 'querystring':
+      mod = require('querystring')
+      break
+  }
+
+  // store to prevent invoking require()
+  parsers[name] = mod
+
+  return mod.parse
+}
+
+/**
+ * Get the simple query parser.
+ *
+ * @param {object} options
+ */
+
+function simpleparser (options) {
+  var parameterLimit = options.parameterLimit !== undefined
+    ? options.parameterLimit
+    : 1000
+  var parse = parser('querystring')
+
+  if (isNaN(parameterLimit) || parameterLimit < 1) {
+    throw new TypeError('option parameterLimit must be a positive number')
+  }
+
+  if (isFinite(parameterLimit)) {
+    parameterLimit = parameterLimit | 0
+  }
+
+  return function queryparse (body) {
+    var paramCount = parameterCount(body, parameterLimit)
+
+    if (paramCount === undefined) {
+      debug('too many parameters')
+      throw createError(413, 'too many parameters', {
+        type: 'parameters.too.many'
+      })
+    }
+
+    debug('parse urlencoding')
+    return parse(body, undefined, undefined, { maxKeys: parameterLimit })
+  }
+}
+
+/**
+ * Get the simple type checker.
+ *
+ * @param {string} type
+ * @return {function}
+ */
+
+function typeChecker (type) {
+  return function checkType (req) {
+    return Boolean(typeis(req, type))
+  }
+}
diff --git a/node_modules/body-parser/package.json b/node_modules/body-parser/package.json
new file mode 100644
index 000000000..9a03357f9
--- /dev/null
+++ b/node_modules/body-parser/package.json
@@ -0,0 +1,56 @@
+{
+  "name": "body-parser",
+  "description": "Node.js body parsing middleware",
+  "version": "1.20.0",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "license": "MIT",
+  "repository": "expressjs/body-parser",
+  "dependencies": {
+    "bytes": "3.1.2",
+    "content-type": "~1.0.4",
+    "debug": "2.6.9",
+    "depd": "2.0.0",
+    "destroy": "1.2.0",
+    "http-errors": "2.0.0",
+    "iconv-lite": "0.4.24",
+    "on-finished": "2.4.1",
+    "qs": "6.10.3",
+    "raw-body": "2.5.1",
+    "type-is": "~1.6.18",
+    "unpipe": "1.0.0"
+  },
+  "devDependencies": {
+    "eslint": "7.32.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.25.4",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "5.2.0",
+    "eslint-plugin-standard": "4.1.0",
+    "methods": "1.1.2",
+    "mocha": "9.2.2",
+    "nyc": "15.1.0",
+    "safe-buffer": "5.2.1",
+    "supertest": "6.2.2"
+  },
+  "files": [
+    "lib/",
+    "LICENSE",
+    "HISTORY.md",
+    "SECURITY.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8",
+    "npm": "1.2.8000 || >= 1.4.16"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --require test/support/env --reporter spec --check-leaks --bail test/",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  }
+}
diff --git a/node_modules/bson/LICENSE.md b/node_modules/bson/LICENSE.md
new file mode 100644
index 000000000..261eeb9e9
--- /dev/null
+++ b/node_modules/bson/LICENSE.md
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
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+      "Legal Entity" shall mean the union of the acting entity and all
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+
+      "You" (or "Your") shall mean an individual or Legal Entity
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+
+   2. Grant of Copyright License. Subject to the terms and conditions of
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+      You may add Your own copyright statement to Your modifications and
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+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
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+      the terms of any separate license agreement you may have executed
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+   6. Trademarks. This License does not grant permission to use the trade
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+
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+
+      To apply the Apache License to your work, attach the following
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+   Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/node_modules/bson/README.md b/node_modules/bson/README.md
new file mode 100644
index 000000000..cd7242fdf
--- /dev/null
+++ b/node_modules/bson/README.md
@@ -0,0 +1,376 @@
+# BSON parser
+
+BSON is short for "Binary JSON," and is the binary-encoded serialization of JSON-like documents. You can learn more about it in [the specification](http://bsonspec.org).
+
+This browser version of the BSON parser is compiled using [rollup](https://rollupjs.org/) and the current version is pre-compiled in the `dist` directory.
+
+This is the default BSON parser, however, there is a C++ Node.js addon version as well that does not support the browser. It can be found at [mongod-js/bson-ext](https://github.com/mongodb-js/bson-ext).
+
+### Table of Contents
+- [Usage](#usage)
+- [Bugs/Feature Requests](#bugs--feature-requests)
+- [Installation](#installation)
+- [Documentation](#documentation)
+- [FAQ](#faq)
+
+## Bugs / Feature Requests
+
+Think you've found a bug? Want to see a new feature in `bson`? Please open a case in our issue management tool, JIRA:
+
+1. Create an account and login: [jira.mongodb.org](https://jira.mongodb.org)
+2. Navigate to the NODE project: [jira.mongodb.org/browse/NODE](https://jira.mongodb.org/browse/NODE)
+3. Click **Create Issue** - Please provide as much information as possible about the issue and how to reproduce it.
+
+Bug reports in JIRA for all driver projects (i.e. NODE, PYTHON, CSHARP, JAVA) and the Core Server (i.e. SERVER) project are **public**.
+
+## Usage
+
+To build a new version perform the following operations:
+
+```
+npm install
+npm run build
+```
+
+### Node (no bundling)
+A simple example of how to use BSON in `Node.js`:
+
+```js
+const BSON = require('bson');
+const Long = BSON.Long;
+
+// Serialize a document
+const doc = { long: Long.fromNumber(100) };
+const data = BSON.serialize(doc);
+console.log('data:', data);
+
+// Deserialize the resulting Buffer
+const doc_2 = BSON.deserialize(data);
+console.log('doc_2:', doc_2);
+```
+
+### Browser (no bundling)
+
+If you are not using a bundler like webpack, you can include `dist/bson.bundle.js` using a script tag.  It includes polyfills for built-in node types like `Buffer`.
+
+```html
+<script src="./dist/bson.bundle.js"></script>
+
+<script>
+  function start() {
+    // Get the Long type
+    const Long = BSON.Long;
+
+    // Serialize a document
+    const doc = { long: Long.fromNumber(100) }
+    const data = BSON.serialize(doc);
+    console.log('data:', data);
+
+    // De serialize it again
+    const doc_2 = BSON.deserialize(data);
+    console.log('doc_2:', doc_2);
+  }
+</script>
+```
+
+### Using webpack
+
+If using webpack, you can use your normal import/require syntax of your project to pull in the `bson` library.
+
+ES6 Example:
+
+```js
+import { Long, serialize, deserialize } from 'bson';
+
+// Serialize a document
+const doc = { long: Long.fromNumber(100) };
+const data = serialize(doc);
+console.log('data:', data);
+
+// De serialize it again
+const doc_2 = deserialize(data);
+console.log('doc_2:', doc_2);
+```
+
+ES5 Example:
+
+```js
+const BSON = require('bson');
+const Long = BSON.Long;
+
+// Serialize a document
+const doc = { long: Long.fromNumber(100) };
+const data = BSON.serialize(doc);
+console.log('data:', data);
+
+// Deserialize the resulting Buffer
+const doc_2 = BSON.deserialize(data);
+console.log('doc_2:', doc_2);
+```
+
+Depending on your settings, webpack will under the hood resolve to one of the following:
+
+- `dist/bson.browser.esm.js` If your project is in the browser and using ES6 modules (Default for `webworker` and `web` targets)
+- `dist/bson.browser.umd.js` If your project is in the browser and not using ES6 modules
+- `dist/bson.esm.js` If your project is in Node.js and using ES6 modules (Default for `node` targets)
+- `lib/bson.js` (the normal include path) If your project is in Node.js and not using ES6 modules
+
+For more information, see [this page on webpack's `resolve.mainFields`](https://webpack.js.org/configuration/resolve/#resolvemainfields) and [the `package.json` for this project](./package.json#L52)
+
+### Usage with Angular
+
+Starting with Angular 6, Angular CLI removed the shim for `global` and other node built-in variables (original comment [here](https://github.com/angular/angular-cli/issues/9827#issuecomment-386154063)). If you are using BSON with Angular, you may need to add the following shim to your `polyfills.ts` file:
+
+```js
+// In polyfills.ts
+(window as any).global = window;
+```
+
+- [Original Comment by Angular CLI](https://github.com/angular/angular-cli/issues/9827#issuecomment-386154063)
+- [Original Source for Solution](https://stackoverflow.com/a/50488337/4930088)
+
+## Installation
+
+`npm install bson`
+
+## Documentation
+
+### Objects
+
+<dl>
+<dt><a href="#EJSON">EJSON</a> : <code>object</code></dt>
+<dd></dd>
+</dl>
+
+### Functions
+
+<dl>
+<dt><a href="#setInternalBufferSize">setInternalBufferSize(size)</a></dt>
+<dd><p>Sets the size of the internal serialization buffer.</p>
+</dd>
+<dt><a href="#serialize">serialize(object)</a> ⇒ <code>Buffer</code></dt>
+<dd><p>Serialize a Javascript object.</p>
+</dd>
+<dt><a href="#serializeWithBufferAndIndex">serializeWithBufferAndIndex(object, buffer)</a> ⇒ <code>Number</code></dt>
+<dd><p>Serialize a Javascript object using a predefined Buffer and index into the buffer, useful when pre-allocating the space for serialization.</p>
+</dd>
+<dt><a href="#deserialize">deserialize(buffer)</a> ⇒ <code>Object</code></dt>
+<dd><p>Deserialize data as BSON.</p>
+</dd>
+<dt><a href="#calculateObjectSize">calculateObjectSize(object)</a> ⇒ <code>Number</code></dt>
+<dd><p>Calculate the bson size for a passed in Javascript object.</p>
+</dd>
+<dt><a href="#deserializeStream">deserializeStream(data, startIndex, numberOfDocuments, documents, docStartIndex, [options])</a> ⇒ <code>Number</code></dt>
+<dd><p>Deserialize stream data as BSON documents.</p>
+</dd>
+</dl>
+
+<a name="EJSON"></a>
+
+### EJSON
+
+* [EJSON](#EJSON)
+
+    * [.parse(text, [options])](#EJSON.parse)
+
+    * [.stringify(value, [replacer], [space], [options])](#EJSON.stringify)
+
+    * [.serialize(bson, [options])](#EJSON.serialize)
+
+    * [.deserialize(ejson, [options])](#EJSON.deserialize)
+
+
+<a name="EJSON.parse"></a>
+
+#### *EJSON*.parse(text, [options])
+
+| Param | Type | Default | Description |
+| --- | --- | --- | --- |
+| text | <code>string</code> |  |  |
+| [options] | <code>object</code> |  | Optional settings |
+| [options.relaxed] | <code>boolean</code> | <code>true</code> | Attempt to return native JS types where possible, rather than BSON types (if true) |
+
+Parse an Extended JSON string, constructing the JavaScript value or object described by that
+string.
+
+**Example**
+```js
+const { EJSON } = require('bson');
+const text = '{ "int32": { "$numberInt": "10" } }';
+
+// prints { int32: { [String: '10'] _bsontype: 'Int32', value: '10' } }
+console.log(EJSON.parse(text, { relaxed: false }));
+
+// prints { int32: 10 }
+console.log(EJSON.parse(text));
+```
+<a name="EJSON.stringify"></a>
+
+#### *EJSON*.stringify(value, [replacer], [space], [options])
+
+| Param | Type | Default | Description |
+| --- | --- | --- | --- |
+| value | <code>object</code> |  | The value to convert to extended JSON |
+| [replacer] | <code>function</code> \| <code>array</code> |  | A function that alters the behavior of the stringification process, or an array of String and Number objects that serve as a whitelist for selecting/filtering the properties of the value object to be included in the JSON string. If this value is null or not provided, all properties of the object are included in the resulting JSON string |
+| [space] | <code>string</code> \| <code>number</code> |  | A String or Number object that's used to insert white space into the output JSON string for readability purposes. |
+| [options] | <code>object</code> |  | Optional settings |
+| [options.relaxed] | <code>boolean</code> | <code>true</code> | Enabled Extended JSON's `relaxed` mode |
+| [options.legacy] | <code>boolean</code> | <code>true</code> | Output in Extended JSON v1 |
+
+Converts a BSON document to an Extended JSON string, optionally replacing values if a replacer
+function is specified or optionally including only the specified properties if a replacer array
+is specified.
+
+**Example**
+```js
+const { EJSON } = require('bson');
+const Int32 = require('mongodb').Int32;
+const doc = { int32: new Int32(10) };
+
+// prints '{"int32":{"$numberInt":"10"}}'
+console.log(EJSON.stringify(doc, { relaxed: false }));
+
+// prints '{"int32":10}'
+console.log(EJSON.stringify(doc));
+```
+<a name="EJSON.serialize"></a>
+
+#### *EJSON*.serialize(bson, [options])
+
+| Param | Type | Description |
+| --- | --- | --- |
+| bson | <code>object</code> | The object to serialize |
+| [options] | <code>object</code> | Optional settings passed to the `stringify` function |
+
+Serializes an object to an Extended JSON string, and reparse it as a JavaScript object.
+
+<a name="EJSON.deserialize"></a>
+
+#### *EJSON*.deserialize(ejson, [options])
+
+| Param | Type | Description |
+| --- | --- | --- |
+| ejson | <code>object</code> | The Extended JSON object to deserialize |
+| [options] | <code>object</code> | Optional settings passed to the parse method |
+
+Deserializes an Extended JSON object into a plain JavaScript object with native/BSON types
+
+<a name="setInternalBufferSize"></a>
+
+### setInternalBufferSize(size)
+
+| Param | Type | Description |
+| --- | --- | --- |
+| size | <code>number</code> | The desired size for the internal serialization buffer |
+
+Sets the size of the internal serialization buffer.
+
+<a name="serialize"></a>
+
+### serialize(object)
+
+| Param | Type | Default | Description |
+| --- | --- | --- | --- |
+| object | <code>Object</code> |  | the Javascript object to serialize. |
+| [options.checkKeys] | <code>Boolean</code> |  | the serializer will check if keys are valid. |
+| [options.serializeFunctions] | <code>Boolean</code> | <code>false</code> | serialize the javascript functions **(default:false)**. |
+| [options.ignoreUndefined] | <code>Boolean</code> | <code>true</code> | ignore undefined fields **(default:true)**. |
+
+Serialize a Javascript object.
+
+**Returns**: <code>Buffer</code> - returns the Buffer object containing the serialized object.
+<a name="serializeWithBufferAndIndex"></a>
+
+### serializeWithBufferAndIndex(object, buffer)
+
+| Param | Type | Default | Description |
+| --- | --- | --- | --- |
+| object | <code>Object</code> |  | the Javascript object to serialize. |
+| buffer | <code>Buffer</code> |  | the Buffer you pre-allocated to store the serialized BSON object. |
+| [options.checkKeys] | <code>Boolean</code> |  | the serializer will check if keys are valid. |
+| [options.serializeFunctions] | <code>Boolean</code> | <code>false</code> | serialize the javascript functions **(default:false)**. |
+| [options.ignoreUndefined] | <code>Boolean</code> | <code>true</code> | ignore undefined fields **(default:true)**. |
+| [options.index] | <code>Number</code> |  | the index in the buffer where we wish to start serializing into. |
+
+Serialize a Javascript object using a predefined Buffer and index into the buffer, useful when pre-allocating the space for serialization.
+
+**Returns**: <code>Number</code> - returns the index pointing to the last written byte in the buffer.
+<a name="deserialize"></a>
+
+### deserialize(buffer)
+
+| Param | Type | Default | Description |
+| --- | --- | --- | --- |
+| buffer | <code>Buffer</code> |  | the buffer containing the serialized set of BSON documents. |
+| [options.evalFunctions] | <code>Object</code> | <code>false</code> | evaluate functions in the BSON document scoped to the object deserialized. |
+| [options.cacheFunctions] | <code>Object</code> | <code>false</code> | cache evaluated functions for reuse. |
+| [options.promoteLongs] | <code>Object</code> | <code>true</code> | when deserializing a Long will fit it into a Number if it's smaller than 53 bits |
+| [options.promoteBuffers] | <code>Object</code> | <code>false</code> | when deserializing a Binary will return it as a node.js Buffer instance. |
+| [options.promoteValues] | <code>Object</code> | <code>false</code> | when deserializing will promote BSON values to their Node.js closest equivalent types. |
+| [options.fieldsAsRaw] | <code>Object</code> | <code></code> | allow to specify if there what fields we wish to return as unserialized raw buffer. |
+| [options.bsonRegExp] | <code>Object</code> | <code>false</code> | return BSON regular expressions as BSONRegExp instances. |
+| [options.allowObjectSmallerThanBufferSize] | <code>boolean</code> | <code>false</code> | allows the buffer to be larger than the parsed BSON object |
+
+Deserialize data as BSON.
+
+**Returns**: <code>Object</code> - returns the deserialized Javascript Object.
+<a name="calculateObjectSize"></a>
+
+### calculateObjectSize(object)
+
+| Param | Type | Default | Description |
+| --- | --- | --- | --- |
+| object | <code>Object</code> |  | the Javascript object to calculate the BSON byte size for. |
+| [options.serializeFunctions] | <code>Boolean</code> | <code>false</code> | serialize the javascript functions **(default:false)**. |
+| [options.ignoreUndefined] | <code>Boolean</code> | <code>true</code> | ignore undefined fields **(default:true)**. |
+
+Calculate the bson size for a passed in Javascript object.
+
+**Returns**: <code>Number</code> - returns the number of bytes the BSON object will take up.
+<a name="deserializeStream"></a>
+
+### deserializeStream(data, startIndex, numberOfDocuments, documents, docStartIndex, [options])
+
+| Param | Type | Default | Description |
+| --- | --- | --- | --- |
+| data | <code>Buffer</code> |  | the buffer containing the serialized set of BSON documents. |
+| startIndex | <code>Number</code> |  | the start index in the data Buffer where the deserialization is to start. |
+| numberOfDocuments | <code>Number</code> |  | number of documents to deserialize. |
+| documents | <code>Array</code> |  | an array where to store the deserialized documents. |
+| docStartIndex | <code>Number</code> |  | the index in the documents array from where to start inserting documents. |
+| [options] | <code>Object</code> |  | additional options used for the deserialization. |
+| [options.evalFunctions] | <code>Object</code> | <code>false</code> | evaluate functions in the BSON document scoped to the object deserialized. |
+| [options.cacheFunctions] | <code>Object</code> | <code>false</code> | cache evaluated functions for reuse. |
+| [options.promoteLongs] | <code>Object</code> | <code>true</code> | when deserializing a Long will fit it into a Number if it's smaller than 53 bits |
+| [options.promoteBuffers] | <code>Object</code> | <code>false</code> | when deserializing a Binary will return it as a node.js Buffer instance. |
+| [options.promoteValues] | <code>Object</code> | <code>false</code> | when deserializing will promote BSON values to their Node.js closest equivalent types. |
+| [options.fieldsAsRaw] | <code>Object</code> | <code></code> | allow to specify if there what fields we wish to return as unserialized raw buffer. |
+| [options.bsonRegExp] | <code>Object</code> | <code>false</code> | return BSON regular expressions as BSONRegExp instances. |
+
+Deserialize stream data as BSON documents.
+
+**Returns**: <code>Number</code> - returns the next index in the buffer after deserialization **x** numbers of documents.
+
+## FAQ
+
+#### Why does `undefined` get converted to `null`?
+
+The `undefined` BSON type has been [deprecated for many years](http://bsonspec.org/spec.html), so this library has dropped support for it. Use the `ignoreUndefined` option (for example, from the [driver](http://mongodb.github.io/node-mongodb-native/2.2/api/MongoClient.html#connect) ) to instead remove `undefined` keys.
+
+#### How do I add custom serialization logic?
+
+This library looks for `toBSON()` functions on every path, and calls the `toBSON()` function to get the value to serialize.
+
+```javascript
+const BSON = require('bson');
+
+class CustomSerialize {
+  toBSON() {
+    return 42;
+  }
+}
+
+const obj = { answer: new CustomSerialize() };
+// "{ answer: 42 }"
+console.log(BSON.deserialize(BSON.serialize(obj)));
+```
diff --git a/node_modules/bson/bower.json b/node_modules/bson/bower.json
new file mode 100644
index 000000000..74aa6eaab
--- /dev/null
+++ b/node_modules/bson/bower.json
@@ -0,0 +1,26 @@
+{
+  "name": "bson",
+  "description": "A bson parser for node.js and the browser",
+  "keywords": [
+    "mongodb",
+    "bson",
+    "parser"
+  ],
+  "author": "Christian Amor Kvalheim <christkv@gmail.com>",
+  "main": "./dist/bson.js",
+  "license": "Apache-2.0",
+  "moduleType": [
+    "globals",
+    "node"
+  ],
+  "ignore": [
+    "**/.*",
+    "alternate_parsers",
+    "benchmarks",
+    "bower_components",
+    "node_modules",
+    "test",
+    "tools"
+  ],
+  "version": "4.7.0"
+}
diff --git a/node_modules/bson/bson.d.ts b/node_modules/bson/bson.d.ts
new file mode 100644
index 000000000..5a5cf19ff
--- /dev/null
+++ b/node_modules/bson/bson.d.ts
@@ -0,0 +1,1228 @@
+import { Buffer } from 'buffer';
+
+/**
+ * A class representation of the BSON Binary type.
+ * @public
+ * @category BSONType
+ */
+export declare class Binary {
+    _bsontype: 'Binary';
+    /* Excluded from this release type: BSON_BINARY_SUBTYPE_DEFAULT */
+    /** Initial buffer default size */
+    static readonly BUFFER_SIZE = 256;
+    /** Default BSON type */
+    static readonly SUBTYPE_DEFAULT = 0;
+    /** Function BSON type */
+    static readonly SUBTYPE_FUNCTION = 1;
+    /** Byte Array BSON type */
+    static readonly SUBTYPE_BYTE_ARRAY = 2;
+    /** Deprecated UUID BSON type @deprecated Please use SUBTYPE_UUID */
+    static readonly SUBTYPE_UUID_OLD = 3;
+    /** UUID BSON type */
+    static readonly SUBTYPE_UUID = 4;
+    /** MD5 BSON type */
+    static readonly SUBTYPE_MD5 = 5;
+    /** Encrypted BSON type */
+    static readonly SUBTYPE_ENCRYPTED = 6;
+    /** Column BSON type */
+    static readonly SUBTYPE_COLUMN = 7;
+    /** User BSON type */
+    static readonly SUBTYPE_USER_DEFINED = 128;
+    buffer: Buffer;
+    sub_type: number;
+    position: number;
+    /**
+     * Create a new Binary instance.
+     *
+     * This constructor can accept a string as its first argument. In this case,
+     * this string will be encoded using ISO-8859-1, **not** using UTF-8.
+     * This is almost certainly not what you want. Use `new Binary(Buffer.from(string))`
+     * instead to convert the string to a Buffer using UTF-8 first.
+     *
+     * @param buffer - a buffer object containing the binary data.
+     * @param subType - the option binary type.
+     */
+    constructor(buffer?: string | BinarySequence, subType?: number);
+    /**
+     * Updates this binary with byte_value.
+     *
+     * @param byteValue - a single byte we wish to write.
+     */
+    put(byteValue: string | number | Uint8Array | Buffer | number[]): void;
+    /**
+     * Writes a buffer or string to the binary.
+     *
+     * @param sequence - a string or buffer to be written to the Binary BSON object.
+     * @param offset - specify the binary of where to write the content.
+     */
+    write(sequence: string | BinarySequence, offset: number): void;
+    /**
+     * Reads **length** bytes starting at **position**.
+     *
+     * @param position - read from the given position in the Binary.
+     * @param length - the number of bytes to read.
+     */
+    read(position: number, length: number): BinarySequence;
+    /**
+     * Returns the value of this binary as a string.
+     * @param asRaw - Will skip converting to a string
+     * @remarks
+     * This is handy when calling this function conditionally for some key value pairs and not others
+     */
+    value(asRaw?: boolean): string | BinarySequence;
+    /** the length of the binary sequence */
+    length(): number;
+    toJSON(): string;
+    toString(format?: string): string;
+    /* Excluded from this release type: toExtendedJSON */
+    toUUID(): UUID;
+    /* Excluded from this release type: fromExtendedJSON */
+    inspect(): string;
+}
+
+/** @public */
+export declare interface BinaryExtended {
+    $binary: {
+        subType: string;
+        base64: string;
+    };
+}
+
+/** @public */
+export declare interface BinaryExtendedLegacy {
+    $type: string;
+    $binary: string;
+}
+
+/** @public */
+export declare type BinarySequence = Uint8Array | Buffer | number[];
+
+/**
+ * BSON default export
+ * @deprecated Please use named exports
+ * @privateRemarks
+ * We want to someday deprecate the default export,
+ * so none of the new TS types are being exported on the default
+ * @public
+ */
+declare const BSON: {
+    Binary: typeof Binary;
+    Code: typeof Code;
+    DBRef: typeof DBRef;
+    Decimal128: typeof Decimal128;
+    Double: typeof Double;
+    Int32: typeof Int32;
+    Long: typeof Long;
+    UUID: typeof UUID;
+    Map: MapConstructor;
+    MaxKey: typeof MaxKey;
+    MinKey: typeof MinKey;
+    ObjectId: typeof ObjectId;
+    ObjectID: typeof ObjectId;
+    BSONRegExp: typeof BSONRegExp;
+    BSONSymbol: typeof BSONSymbol;
+    Timestamp: typeof Timestamp;
+    EJSON: typeof EJSON;
+    setInternalBufferSize: typeof setInternalBufferSize;
+    serialize: typeof serialize;
+    serializeWithBufferAndIndex: typeof serializeWithBufferAndIndex;
+    deserialize: typeof deserialize;
+    calculateObjectSize: typeof calculateObjectSize;
+    deserializeStream: typeof deserializeStream;
+    BSONError: typeof BSONError;
+    BSONTypeError: typeof BSONTypeError;
+};
+export default BSON;
+
+/* Excluded from this release type: BSON_BINARY_SUBTYPE_BYTE_ARRAY */
+
+/* Excluded from this release type: BSON_BINARY_SUBTYPE_COLUMN */
+
+/* Excluded from this release type: BSON_BINARY_SUBTYPE_DEFAULT */
+
+/* Excluded from this release type: BSON_BINARY_SUBTYPE_ENCRYPTED */
+
+/* Excluded from this release type: BSON_BINARY_SUBTYPE_FUNCTION */
+
+/* Excluded from this release type: BSON_BINARY_SUBTYPE_MD5 */
+
+/* Excluded from this release type: BSON_BINARY_SUBTYPE_USER_DEFINED */
+
+/* Excluded from this release type: BSON_BINARY_SUBTYPE_UUID */
+
+/* Excluded from this release type: BSON_BINARY_SUBTYPE_UUID_NEW */
+
+/* Excluded from this release type: BSON_DATA_ARRAY */
+
+/* Excluded from this release type: BSON_DATA_BINARY */
+
+/* Excluded from this release type: BSON_DATA_BOOLEAN */
+
+/* Excluded from this release type: BSON_DATA_CODE */
+
+/* Excluded from this release type: BSON_DATA_CODE_W_SCOPE */
+
+/* Excluded from this release type: BSON_DATA_DATE */
+
+/* Excluded from this release type: BSON_DATA_DBPOINTER */
+
+/* Excluded from this release type: BSON_DATA_DECIMAL128 */
+
+/* Excluded from this release type: BSON_DATA_INT */
+
+/* Excluded from this release type: BSON_DATA_LONG */
+
+/* Excluded from this release type: BSON_DATA_MAX_KEY */
+
+/* Excluded from this release type: BSON_DATA_MIN_KEY */
+
+/* Excluded from this release type: BSON_DATA_NULL */
+
+/* Excluded from this release type: BSON_DATA_NUMBER */
+
+/* Excluded from this release type: BSON_DATA_OBJECT */
+
+/* Excluded from this release type: BSON_DATA_OID */
+
+/* Excluded from this release type: BSON_DATA_REGEXP */
+
+/* Excluded from this release type: BSON_DATA_STRING */
+
+/* Excluded from this release type: BSON_DATA_SYMBOL */
+
+/* Excluded from this release type: BSON_DATA_TIMESTAMP */
+
+/* Excluded from this release type: BSON_DATA_UNDEFINED */
+
+/* Excluded from this release type: BSON_INT32_MAX */
+
+/* Excluded from this release type: BSON_INT32_MIN */
+
+/* Excluded from this release type: BSON_INT64_MAX */
+
+/* Excluded from this release type: BSON_INT64_MIN */
+
+/** @public */
+export declare class BSONError extends Error {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * A class representation of the BSON RegExp type.
+ * @public
+ * @category BSONType
+ */
+export declare class BSONRegExp {
+    _bsontype: 'BSONRegExp';
+    pattern: string;
+    options: string;
+    /**
+     * @param pattern - The regular expression pattern to match
+     * @param options - The regular expression options
+     */
+    constructor(pattern: string, options?: string);
+    static parseOptions(options?: string): string;
+    /* Excluded from this release type: toExtendedJSON */
+    /* Excluded from this release type: fromExtendedJSON */
+}
+
+/** @public */
+export declare interface BSONRegExpExtended {
+    $regularExpression: {
+        pattern: string;
+        options: string;
+    };
+}
+
+/** @public */
+export declare interface BSONRegExpExtendedLegacy {
+    $regex: string | BSONRegExp;
+    $options: string;
+}
+
+/**
+ * A class representation of the BSON Symbol type.
+ * @public
+ * @category BSONType
+ */
+export declare class BSONSymbol {
+    _bsontype: 'Symbol';
+    value: string;
+    /**
+     * @param value - the string representing the symbol.
+     */
+    constructor(value: string);
+    /** Access the wrapped string value. */
+    valueOf(): string;
+    toString(): string;
+    /* Excluded from this release type: inspect */
+    toJSON(): string;
+    /* Excluded from this release type: toExtendedJSON */
+    /* Excluded from this release type: fromExtendedJSON */
+}
+
+/** @public */
+export declare interface BSONSymbolExtended {
+    $symbol: string;
+}
+
+/** @public */
+export declare class BSONTypeError extends TypeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * Calculate the bson size for a passed in Javascript object.
+ *
+ * @param object - the Javascript object to calculate the BSON byte size for
+ * @returns size of BSON object in bytes
+ * @public
+ */
+export declare function calculateObjectSize(object: Document, options?: CalculateObjectSizeOptions): number;
+
+/** @public */
+export declare type CalculateObjectSizeOptions = Pick<SerializeOptions, 'serializeFunctions' | 'ignoreUndefined'>;
+
+/**
+ * A class representation of the BSON Code type.
+ * @public
+ * @category BSONType
+ */
+export declare class Code {
+    _bsontype: 'Code';
+    code: string | Function;
+    scope?: Document;
+    /**
+     * @param code - a string or function.
+     * @param scope - an optional scope for the function.
+     */
+    constructor(code: string | Function, scope?: Document);
+    toJSON(): {
+        code: string | Function;
+        scope?: Document;
+    };
+    /* Excluded from this release type: toExtendedJSON */
+    /* Excluded from this release type: fromExtendedJSON */
+    inspect(): string;
+}
+
+/** @public */
+export declare interface CodeExtended {
+    $code: string | Function;
+    $scope?: Document;
+}
+
+/**
+ * A class representation of the BSON DBRef type.
+ * @public
+ * @category BSONType
+ */
+export declare class DBRef {
+    _bsontype: 'DBRef';
+    collection: string;
+    oid: ObjectId;
+    db?: string;
+    fields: Document;
+    /**
+     * @param collection - the collection name.
+     * @param oid - the reference ObjectId.
+     * @param db - optional db name, if omitted the reference is local to the current db.
+     */
+    constructor(collection: string, oid: ObjectId, db?: string, fields?: Document);
+    /* Excluded from this release type: namespace */
+    /* Excluded from this release type: namespace */
+    toJSON(): DBRefLike & Document;
+    /* Excluded from this release type: toExtendedJSON */
+    /* Excluded from this release type: fromExtendedJSON */
+    inspect(): string;
+}
+
+/** @public */
+export declare interface DBRefLike {
+    $ref: string;
+    $id: ObjectId;
+    $db?: string;
+}
+
+/**
+ * A class representation of the BSON Decimal128 type.
+ * @public
+ * @category BSONType
+ */
+export declare class Decimal128 {
+    _bsontype: 'Decimal128';
+    readonly bytes: Buffer;
+    /**
+     * @param bytes - a buffer containing the raw Decimal128 bytes in little endian order,
+     *                or a string representation as returned by .toString()
+     */
+    constructor(bytes: Buffer | string);
+    /**
+     * Create a Decimal128 instance from a string representation
+     *
+     * @param representation - a numeric string representation.
+     */
+    static fromString(representation: string): Decimal128;
+    /** Create a string representation of the raw Decimal128 value */
+    toString(): string;
+    toJSON(): Decimal128Extended;
+    /* Excluded from this release type: toExtendedJSON */
+    /* Excluded from this release type: fromExtendedJSON */
+    inspect(): string;
+}
+
+/** @public */
+export declare interface Decimal128Extended {
+    $numberDecimal: string;
+}
+
+/**
+ * Deserialize data as BSON.
+ *
+ * @param buffer - the buffer containing the serialized set of BSON documents.
+ * @returns returns the deserialized Javascript Object.
+ * @public
+ */
+export declare function deserialize(buffer: Buffer | ArrayBufferView | ArrayBuffer, options?: DeserializeOptions): Document;
+
+/** @public */
+export declare interface DeserializeOptions {
+    /** evaluate functions in the BSON document scoped to the object deserialized. */
+    evalFunctions?: boolean;
+    /** cache evaluated functions for reuse. */
+    cacheFunctions?: boolean;
+    /**
+     * use a crc32 code for caching, otherwise use the string of the function.
+     * @deprecated this option to use the crc32 function never worked as intended
+     * due to the fact that the crc32 function itself was never implemented.
+     * */
+    cacheFunctionsCrc32?: boolean;
+    /** when deserializing a Long will fit it into a Number if it's smaller than 53 bits */
+    promoteLongs?: boolean;
+    /** when deserializing a Binary will return it as a node.js Buffer instance. */
+    promoteBuffers?: boolean;
+    /** when deserializing will promote BSON values to their Node.js closest equivalent types. */
+    promoteValues?: boolean;
+    /** allow to specify if there what fields we wish to return as unserialized raw buffer. */
+    fieldsAsRaw?: Document;
+    /** return BSON regular expressions as BSONRegExp instances. */
+    bsonRegExp?: boolean;
+    /** allows the buffer to be larger than the parsed BSON object */
+    allowObjectSmallerThanBufferSize?: boolean;
+    /** Offset into buffer to begin reading document from */
+    index?: number;
+    raw?: boolean;
+    /** Allows for opt-out utf-8 validation for all keys or
+     * specified keys. Must be all true or all false.
+     *
+     * @example
+     * ```js
+     * // disables validation on all keys
+     *  validation: { utf8: false }
+     *
+     * // enables validation only on specified keys a, b, and c
+     *  validation: { utf8: { a: true, b: true, c: true } }
+     *
+     *  // disables validation only on specified keys a, b
+     *  validation: { utf8: { a: false, b: false } }
+     * ```
+     */
+    validation?: {
+        utf8: boolean | Record<string, true> | Record<string, false>;
+    };
+}
+
+/**
+ * Deserialize stream data as BSON documents.
+ *
+ * @param data - the buffer containing the serialized set of BSON documents.
+ * @param startIndex - the start index in the data Buffer where the deserialization is to start.
+ * @param numberOfDocuments - number of documents to deserialize.
+ * @param documents - an array where to store the deserialized documents.
+ * @param docStartIndex - the index in the documents array from where to start inserting documents.
+ * @param options - additional options used for the deserialization.
+ * @returns next index in the buffer after deserialization **x** numbers of documents.
+ * @public
+ */
+export declare function deserializeStream(data: Buffer | ArrayBufferView | ArrayBuffer, startIndex: number, numberOfDocuments: number, documents: Document[], docStartIndex: number, options: DeserializeOptions): number;
+
+/** @public */
+export declare interface Document {
+    [key: string]: any;
+}
+
+/**
+ * A class representation of the BSON Double type.
+ * @public
+ * @category BSONType
+ */
+export declare class Double {
+    _bsontype: 'Double';
+    value: number;
+    /**
+     * Create a Double type
+     *
+     * @param value - the number we want to represent as a double.
+     */
+    constructor(value: number);
+    /**
+     * Access the number value.
+     *
+     * @returns returns the wrapped double number.
+     */
+    valueOf(): number;
+    toJSON(): number;
+    toString(radix?: number): string;
+    /* Excluded from this release type: toExtendedJSON */
+    /* Excluded from this release type: fromExtendedJSON */
+    inspect(): string;
+}
+
+/** @public */
+export declare interface DoubleExtended {
+    $numberDouble: string;
+}
+
+/**
+ * EJSON parse / stringify API
+ * @public
+ */
+export declare namespace EJSON {
+    export interface Options {
+        /** Output using the Extended JSON v1 spec */
+        legacy?: boolean;
+        /** Enable Extended JSON's `relaxed` mode, which attempts to return native JS types where possible, rather than BSON types */
+        relaxed?: boolean;
+        /**
+         * Disable Extended JSON's `relaxed` mode, which attempts to return BSON types where possible, rather than native JS types
+         * @deprecated Please use the relaxed property instead
+         */
+        strict?: boolean;
+    }
+    /**
+     * Parse an Extended JSON string, constructing the JavaScript value or object described by that
+     * string.
+     *
+     * @example
+     * ```js
+     * const { EJSON } = require('bson');
+     * const text = '{ "int32": { "$numberInt": "10" } }';
+     *
+     * // prints { int32: { [String: '10'] _bsontype: 'Int32', value: '10' } }
+     * console.log(EJSON.parse(text, { relaxed: false }));
+     *
+     * // prints { int32: 10 }
+     * console.log(EJSON.parse(text));
+     * ```
+     */
+    export function parse(text: string, options?: EJSON.Options): SerializableTypes;
+    export type JSONPrimitive = string | number | boolean | null;
+    export type SerializableTypes = Document | Array<JSONPrimitive | Document> | JSONPrimitive;
+    /**
+     * Converts a BSON document to an Extended JSON string, optionally replacing values if a replacer
+     * function is specified or optionally including only the specified properties if a replacer array
+     * is specified.
+     *
+     * @param value - The value to convert to extended JSON
+     * @param replacer - A function that alters the behavior of the stringification process, or an array of String and Number objects that serve as a whitelist for selecting/filtering the properties of the value object to be included in the JSON string. If this value is null or not provided, all properties of the object are included in the resulting JSON string
+     * @param space - A String or Number object that's used to insert white space into the output JSON string for readability purposes.
+     * @param options - Optional settings
+     *
+     * @example
+     * ```js
+     * const { EJSON } = require('bson');
+     * const Int32 = require('mongodb').Int32;
+     * const doc = { int32: new Int32(10) };
+     *
+     * // prints '{"int32":{"$numberInt":"10"}}'
+     * console.log(EJSON.stringify(doc, { relaxed: false }));
+     *
+     * // prints '{"int32":10}'
+     * console.log(EJSON.stringify(doc));
+     * ```
+     */
+    export function stringify(value: SerializableTypes, replacer?: (number | string)[] | ((this: any, key: string, value: any) => any) | EJSON.Options, space?: string | number, options?: EJSON.Options): string;
+    /**
+     * Serializes an object to an Extended JSON string, and reparse it as a JavaScript object.
+     *
+     * @param value - The object to serialize
+     * @param options - Optional settings passed to the `stringify` function
+     */
+    export function serialize(value: SerializableTypes, options?: EJSON.Options): Document;
+    /**
+     * Deserializes an Extended JSON object into a plain JavaScript object with native/BSON types
+     *
+     * @param ejson - The Extended JSON object to deserialize
+     * @param options - Optional settings passed to the parse method
+     */
+    export function deserialize(ejson: Document, options?: EJSON.Options): SerializableTypes;
+}
+
+/** @public */
+export declare type EJSONOptions = EJSON.Options;
+
+/**
+ * A class representation of a BSON Int32 type.
+ * @public
+ * @category BSONType
+ */
+export declare class Int32 {
+    _bsontype: 'Int32';
+    value: number;
+    /**
+     * Create an Int32 type
+     *
+     * @param value - the number we want to represent as an int32.
+     */
+    constructor(value: number | string);
+    /**
+     * Access the number value.
+     *
+     * @returns returns the wrapped int32 number.
+     */
+    valueOf(): number;
+    toString(radix?: number): string;
+    toJSON(): number;
+    /* Excluded from this release type: toExtendedJSON */
+    /* Excluded from this release type: fromExtendedJSON */
+    inspect(): string;
+}
+
+/** @public */
+export declare interface Int32Extended {
+    $numberInt: string;
+}
+
+declare const kId: unique symbol;
+
+/**
+ * A class representing a 64-bit integer
+ * @public
+ * @category BSONType
+ * @remarks
+ * The internal representation of a long is the two given signed, 32-bit values.
+ * We use 32-bit pieces because these are the size of integers on which
+ * Javascript performs bit-operations.  For operations like addition and
+ * multiplication, we split each number into 16 bit pieces, which can easily be
+ * multiplied within Javascript's floating-point representation without overflow
+ * or change in sign.
+ * In the algorithms below, we frequently reduce the negative case to the
+ * positive case by negating the input(s) and then post-processing the result.
+ * Note that we must ALWAYS check specially whether those values are MIN_VALUE
+ * (-2^63) because -MIN_VALUE == MIN_VALUE (since 2^63 cannot be represented as
+ * a positive number, it overflows back into a negative).  Not handling this
+ * case would often result in infinite recursion.
+ * Common constant values ZERO, ONE, NEG_ONE, etc. are found as static properties on this class.
+ */
+export declare class Long {
+    _bsontype: 'Long';
+    /** An indicator used to reliably determine if an object is a Long or not. */
+    __isLong__: true;
+    /**
+     * The high 32 bits as a signed value.
+     */
+    high: number;
+    /**
+     * The low 32 bits as a signed value.
+     */
+    low: number;
+    /**
+     * Whether unsigned or not.
+     */
+    unsigned: boolean;
+    /**
+     * Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as *signed* integers.
+     *  See the from* functions below for more convenient ways of constructing Longs.
+     *
+     * Acceptable signatures are:
+     * - Long(low, high, unsigned?)
+     * - Long(bigint, unsigned?)
+     * - Long(string, unsigned?)
+     *
+     * @param low - The low (signed) 32 bits of the long
+     * @param high - The high (signed) 32 bits of the long
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     */
+    constructor(low?: number | bigint | string, high?: number | boolean, unsigned?: boolean);
+    static TWO_PWR_24: Long;
+    /** Maximum unsigned value. */
+    static MAX_UNSIGNED_VALUE: Long;
+    /** Signed zero */
+    static ZERO: Long;
+    /** Unsigned zero. */
+    static UZERO: Long;
+    /** Signed one. */
+    static ONE: Long;
+    /** Unsigned one. */
+    static UONE: Long;
+    /** Signed negative one. */
+    static NEG_ONE: Long;
+    /** Maximum signed value. */
+    static MAX_VALUE: Long;
+    /** Minimum signed value. */
+    static MIN_VALUE: Long;
+    /**
+     * Returns a Long representing the 64 bit integer that comes by concatenating the given low and high bits.
+     * Each is assumed to use 32 bits.
+     * @param lowBits - The low 32 bits
+     * @param highBits - The high 32 bits
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    static fromBits(lowBits: number, highBits: number, unsigned?: boolean): Long;
+    /**
+     * Returns a Long representing the given 32 bit integer value.
+     * @param value - The 32 bit integer in question
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    static fromInt(value: number, unsigned?: boolean): Long;
+    /**
+     * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+     * @param value - The number in question
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    static fromNumber(value: number, unsigned?: boolean): Long;
+    /**
+     * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+     * @param value - The number in question
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    static fromBigInt(value: bigint, unsigned?: boolean): Long;
+    /**
+     * Returns a Long representation of the given string, written using the specified radix.
+     * @param str - The textual representation of the Long
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @param radix - The radix in which the text is written (2-36), defaults to 10
+     * @returns The corresponding Long value
+     */
+    static fromString(str: string, unsigned?: boolean, radix?: number): Long;
+    /**
+     * Creates a Long from its byte representation.
+     * @param bytes - Byte representation
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @param le - Whether little or big endian, defaults to big endian
+     * @returns The corresponding Long value
+     */
+    static fromBytes(bytes: number[], unsigned?: boolean, le?: boolean): Long;
+    /**
+     * Creates a Long from its little endian byte representation.
+     * @param bytes - Little endian byte representation
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    static fromBytesLE(bytes: number[], unsigned?: boolean): Long;
+    /**
+     * Creates a Long from its big endian byte representation.
+     * @param bytes - Big endian byte representation
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    static fromBytesBE(bytes: number[], unsigned?: boolean): Long;
+    /**
+     * Tests if the specified object is a Long.
+     */
+    static isLong(value: unknown): value is Long;
+    /**
+     * Converts the specified value to a Long.
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     */
+    static fromValue(val: number | string | {
+        low: number;
+        high: number;
+        unsigned?: boolean;
+    }, unsigned?: boolean): Long;
+    /** Returns the sum of this and the specified Long. */
+    add(addend: string | number | Long | Timestamp): Long;
+    /**
+     * Returns the sum of this and the specified Long.
+     * @returns Sum
+     */
+    and(other: string | number | Long | Timestamp): Long;
+    /**
+     * Compares this Long's value with the specified's.
+     * @returns 0 if they are the same, 1 if the this is greater and -1 if the given one is greater
+     */
+    compare(other: string | number | Long | Timestamp): 0 | 1 | -1;
+    /** This is an alias of {@link Long.compare} */
+    comp(other: string | number | Long | Timestamp): 0 | 1 | -1;
+    /**
+     * Returns this Long divided by the specified. The result is signed if this Long is signed or unsigned if this Long is unsigned.
+     * @returns Quotient
+     */
+    divide(divisor: string | number | Long | Timestamp): Long;
+    /**This is an alias of {@link Long.divide} */
+    div(divisor: string | number | Long | Timestamp): Long;
+    /**
+     * Tests if this Long's value equals the specified's.
+     * @param other - Other value
+     */
+    equals(other: string | number | Long | Timestamp): boolean;
+    /** This is an alias of {@link Long.equals} */
+    eq(other: string | number | Long | Timestamp): boolean;
+    /** Gets the high 32 bits as a signed integer. */
+    getHighBits(): number;
+    /** Gets the high 32 bits as an unsigned integer. */
+    getHighBitsUnsigned(): number;
+    /** Gets the low 32 bits as a signed integer. */
+    getLowBits(): number;
+    /** Gets the low 32 bits as an unsigned integer. */
+    getLowBitsUnsigned(): number;
+    /** Gets the number of bits needed to represent the absolute value of this Long. */
+    getNumBitsAbs(): number;
+    /** Tests if this Long's value is greater than the specified's. */
+    greaterThan(other: string | number | Long | Timestamp): boolean;
+    /** This is an alias of {@link Long.greaterThan} */
+    gt(other: string | number | Long | Timestamp): boolean;
+    /** Tests if this Long's value is greater than or equal the specified's. */
+    greaterThanOrEqual(other: string | number | Long | Timestamp): boolean;
+    /** This is an alias of {@link Long.greaterThanOrEqual} */
+    gte(other: string | number | Long | Timestamp): boolean;
+    /** This is an alias of {@link Long.greaterThanOrEqual} */
+    ge(other: string | number | Long | Timestamp): boolean;
+    /** Tests if this Long's value is even. */
+    isEven(): boolean;
+    /** Tests if this Long's value is negative. */
+    isNegative(): boolean;
+    /** Tests if this Long's value is odd. */
+    isOdd(): boolean;
+    /** Tests if this Long's value is positive. */
+    isPositive(): boolean;
+    /** Tests if this Long's value equals zero. */
+    isZero(): boolean;
+    /** Tests if this Long's value is less than the specified's. */
+    lessThan(other: string | number | Long | Timestamp): boolean;
+    /** This is an alias of {@link Long#lessThan}. */
+    lt(other: string | number | Long | Timestamp): boolean;
+    /** Tests if this Long's value is less than or equal the specified's. */
+    lessThanOrEqual(other: string | number | Long | Timestamp): boolean;
+    /** This is an alias of {@link Long.lessThanOrEqual} */
+    lte(other: string | number | Long | Timestamp): boolean;
+    /** Returns this Long modulo the specified. */
+    modulo(divisor: string | number | Long | Timestamp): Long;
+    /** This is an alias of {@link Long.modulo} */
+    mod(divisor: string | number | Long | Timestamp): Long;
+    /** This is an alias of {@link Long.modulo} */
+    rem(divisor: string | number | Long | Timestamp): Long;
+    /**
+     * Returns the product of this and the specified Long.
+     * @param multiplier - Multiplier
+     * @returns Product
+     */
+    multiply(multiplier: string | number | Long | Timestamp): Long;
+    /** This is an alias of {@link Long.multiply} */
+    mul(multiplier: string | number | Long | Timestamp): Long;
+    /** Returns the Negation of this Long's value. */
+    negate(): Long;
+    /** This is an alias of {@link Long.negate} */
+    neg(): Long;
+    /** Returns the bitwise NOT of this Long. */
+    not(): Long;
+    /** Tests if this Long's value differs from the specified's. */
+    notEquals(other: string | number | Long | Timestamp): boolean;
+    /** This is an alias of {@link Long.notEquals} */
+    neq(other: string | number | Long | Timestamp): boolean;
+    /** This is an alias of {@link Long.notEquals} */
+    ne(other: string | number | Long | Timestamp): boolean;
+    /**
+     * Returns the bitwise OR of this Long and the specified.
+     */
+    or(other: number | string | Long): Long;
+    /**
+     * Returns this Long with bits shifted to the left by the given amount.
+     * @param numBits - Number of bits
+     * @returns Shifted Long
+     */
+    shiftLeft(numBits: number | Long): Long;
+    /** This is an alias of {@link Long.shiftLeft} */
+    shl(numBits: number | Long): Long;
+    /**
+     * Returns this Long with bits arithmetically shifted to the right by the given amount.
+     * @param numBits - Number of bits
+     * @returns Shifted Long
+     */
+    shiftRight(numBits: number | Long): Long;
+    /** This is an alias of {@link Long.shiftRight} */
+    shr(numBits: number | Long): Long;
+    /**
+     * Returns this Long with bits logically shifted to the right by the given amount.
+     * @param numBits - Number of bits
+     * @returns Shifted Long
+     */
+    shiftRightUnsigned(numBits: Long | number): Long;
+    /** This is an alias of {@link Long.shiftRightUnsigned} */
+    shr_u(numBits: number | Long): Long;
+    /** This is an alias of {@link Long.shiftRightUnsigned} */
+    shru(numBits: number | Long): Long;
+    /**
+     * Returns the difference of this and the specified Long.
+     * @param subtrahend - Subtrahend
+     * @returns Difference
+     */
+    subtract(subtrahend: string | number | Long | Timestamp): Long;
+    /** This is an alias of {@link Long.subtract} */
+    sub(subtrahend: string | number | Long | Timestamp): Long;
+    /** Converts the Long to a 32 bit integer, assuming it is a 32 bit integer. */
+    toInt(): number;
+    /** Converts the Long to a the nearest floating-point representation of this value (double, 53 bit mantissa). */
+    toNumber(): number;
+    /** Converts the Long to a BigInt (arbitrary precision). */
+    toBigInt(): bigint;
+    /**
+     * Converts this Long to its byte representation.
+     * @param le - Whether little or big endian, defaults to big endian
+     * @returns Byte representation
+     */
+    toBytes(le?: boolean): number[];
+    /**
+     * Converts this Long to its little endian byte representation.
+     * @returns Little endian byte representation
+     */
+    toBytesLE(): number[];
+    /**
+     * Converts this Long to its big endian byte representation.
+     * @returns Big endian byte representation
+     */
+    toBytesBE(): number[];
+    /**
+     * Converts this Long to signed.
+     */
+    toSigned(): Long;
+    /**
+     * Converts the Long to a string written in the specified radix.
+     * @param radix - Radix (2-36), defaults to 10
+     * @throws RangeError If `radix` is out of range
+     */
+    toString(radix?: number): string;
+    /** Converts this Long to unsigned. */
+    toUnsigned(): Long;
+    /** Returns the bitwise XOR of this Long and the given one. */
+    xor(other: Long | number | string): Long;
+    /** This is an alias of {@link Long.isZero} */
+    eqz(): boolean;
+    /** This is an alias of {@link Long.lessThanOrEqual} */
+    le(other: string | number | Long | Timestamp): boolean;
+    toExtendedJSON(options?: EJSONOptions): number | LongExtended;
+    static fromExtendedJSON(doc: {
+        $numberLong: string;
+    }, options?: EJSONOptions): number | Long;
+    inspect(): string;
+}
+
+/** @public */
+export declare interface LongExtended {
+    $numberLong: string;
+}
+
+/** @public */
+export declare type LongWithoutOverrides = new (low: unknown, high?: number, unsigned?: boolean) => {
+    [P in Exclude<keyof Long, TimestampOverrides>]: Long[P];
+};
+
+/** @public */
+export declare const LongWithoutOverridesClass: LongWithoutOverrides;
+
+/** @public */
+declare let Map_2: MapConstructor;
+export { Map_2 as Map }
+
+/**
+ * A class representation of the BSON MaxKey type.
+ * @public
+ * @category BSONType
+ */
+export declare class MaxKey {
+    _bsontype: 'MaxKey';
+    constructor();
+    /* Excluded from this release type: toExtendedJSON */
+    /* Excluded from this release type: fromExtendedJSON */
+    inspect(): string;
+}
+
+/** @public */
+export declare interface MaxKeyExtended {
+    $maxKey: 1;
+}
+
+/**
+ * A class representation of the BSON MinKey type.
+ * @public
+ * @category BSONType
+ */
+export declare class MinKey {
+    _bsontype: 'MinKey';
+    constructor();
+    /* Excluded from this release type: toExtendedJSON */
+    /* Excluded from this release type: fromExtendedJSON */
+    inspect(): string;
+}
+
+/** @public */
+export declare interface MinKeyExtended {
+    $minKey: 1;
+}
+
+/**
+ * A class representation of the BSON ObjectId type.
+ * @public
+ * @category BSONType
+ */
+declare class ObjectId {
+    _bsontype: 'ObjectID';
+    /* Excluded from this release type: index */
+    static cacheHexString: boolean;
+    /* Excluded from this release type: [kId] */
+    /* Excluded from this release type: __id */
+    /**
+     * Create an ObjectId type
+     *
+     * @param inputId - Can be a 24 character hex string, 12 byte binary Buffer, or a number.
+     */
+    constructor(inputId?: string | number | ObjectId | ObjectIdLike | Buffer | Uint8Array);
+    /**
+     * The ObjectId bytes
+     * @readonly
+     */
+    get id(): Buffer;
+    set id(value: Buffer);
+    /**
+     * The generation time of this ObjectId instance
+     * @deprecated Please use getTimestamp / createFromTime which returns an int32 epoch
+     */
+    get generationTime(): number;
+    set generationTime(value: number);
+    /** Returns the ObjectId id as a 24 character hex string representation */
+    toHexString(): string;
+    /* Excluded from this release type: getInc */
+    /**
+     * Generate a 12 byte id buffer used in ObjectId's
+     *
+     * @param time - pass in a second based timestamp.
+     */
+    static generate(time?: number): Buffer;
+    /**
+     * Converts the id into a 24 character hex string for printing
+     *
+     * @param format - The Buffer toString format parameter.
+     */
+    toString(format?: string): string;
+    /** Converts to its JSON the 24 character hex string representation. */
+    toJSON(): string;
+    /**
+     * Compares the equality of this ObjectId with `otherID`.
+     *
+     * @param otherId - ObjectId instance to compare against.
+     */
+    equals(otherId: string | ObjectId | ObjectIdLike): boolean;
+    /** Returns the generation date (accurate up to the second) that this ID was generated. */
+    getTimestamp(): Date;
+    /* Excluded from this release type: createPk */
+    /**
+     * Creates an ObjectId from a second based number, with the rest of the ObjectId zeroed out. Used for comparisons or sorting the ObjectId.
+     *
+     * @param time - an integer number representing a number of seconds.
+     */
+    static createFromTime(time: number): ObjectId;
+    /**
+     * Creates an ObjectId from a hex string representation of an ObjectId.
+     *
+     * @param hexString - create a ObjectId from a passed in 24 character hexstring.
+     */
+    static createFromHexString(hexString: string): ObjectId;
+    /**
+     * Checks if a value is a valid bson ObjectId
+     *
+     * @param id - ObjectId instance to validate.
+     */
+    static isValid(id: string | number | ObjectId | ObjectIdLike | Buffer | Uint8Array): boolean;
+    /* Excluded from this release type: toExtendedJSON */
+    /* Excluded from this release type: fromExtendedJSON */
+    inspect(): string;
+}
+export { ObjectId as ObjectID }
+export { ObjectId }
+
+/** @public */
+export declare interface ObjectIdExtended {
+    $oid: string;
+}
+
+/** @public */
+export declare interface ObjectIdLike {
+    id: string | Buffer;
+    __id?: string;
+    toHexString(): string;
+}
+
+/**
+ * Serialize a Javascript object.
+ *
+ * @param object - the Javascript object to serialize.
+ * @returns Buffer object containing the serialized object.
+ * @public
+ */
+export declare function serialize(object: Document, options?: SerializeOptions): Buffer;
+
+/** @public */
+export declare interface SerializeOptions {
+    /** the serializer will check if keys are valid. */
+    checkKeys?: boolean;
+    /** serialize the javascript functions **(default:false)**. */
+    serializeFunctions?: boolean;
+    /** serialize will not emit undefined fields **(default:true)** */
+    ignoreUndefined?: boolean;
+    /* Excluded from this release type: minInternalBufferSize */
+    /** the index in the buffer where we wish to start serializing into */
+    index?: number;
+}
+
+/**
+ * Serialize a Javascript object using a predefined Buffer and index into the buffer,
+ * useful when pre-allocating the space for serialization.
+ *
+ * @param object - the Javascript object to serialize.
+ * @param finalBuffer - the Buffer you pre-allocated to store the serialized BSON object.
+ * @returns the index pointing to the last written byte in the buffer.
+ * @public
+ */
+export declare function serializeWithBufferAndIndex(object: Document, finalBuffer: Buffer, options?: SerializeOptions): number;
+
+/**
+ * Sets the size of the internal serialization buffer.
+ *
+ * @param size - The desired size for the internal serialization buffer
+ * @public
+ */
+export declare function setInternalBufferSize(size: number): void;
+
+/**
+ * @public
+ * @category BSONType
+ * */
+export declare class Timestamp extends LongWithoutOverridesClass {
+    _bsontype: 'Timestamp';
+    static readonly MAX_VALUE: Long;
+    /**
+     * @param low - A 64-bit Long representing the Timestamp.
+     */
+    constructor(long: Long);
+    /**
+     * @param value - A pair of two values indicating timestamp and increment.
+     */
+    constructor(value: {
+        t: number;
+        i: number;
+    });
+    /**
+     * @param low - the low (signed) 32 bits of the Timestamp.
+     * @param high - the high (signed) 32 bits of the Timestamp.
+     * @deprecated Please use `Timestamp({ t: high, i: low })` or `Timestamp(Long(low, high))` instead.
+     */
+    constructor(low: number, high: number);
+    toJSON(): {
+        $timestamp: string;
+    };
+    /** Returns a Timestamp represented by the given (32-bit) integer value. */
+    static fromInt(value: number): Timestamp;
+    /** Returns a Timestamp representing the given number value, provided that it is a finite number. Otherwise, zero is returned. */
+    static fromNumber(value: number): Timestamp;
+    /**
+     * Returns a Timestamp for the given high and low bits. Each is assumed to use 32 bits.
+     *
+     * @param lowBits - the low 32-bits.
+     * @param highBits - the high 32-bits.
+     */
+    static fromBits(lowBits: number, highBits: number): Timestamp;
+    /**
+     * Returns a Timestamp from the given string, optionally using the given radix.
+     *
+     * @param str - the textual representation of the Timestamp.
+     * @param optRadix - the radix in which the text is written.
+     */
+    static fromString(str: string, optRadix: number): Timestamp;
+    /* Excluded from this release type: toExtendedJSON */
+    /* Excluded from this release type: fromExtendedJSON */
+    inspect(): string;
+}
+
+/** @public */
+export declare interface TimestampExtended {
+    $timestamp: {
+        t: number;
+        i: number;
+    };
+}
+
+/** @public */
+export declare type TimestampOverrides = '_bsontype' | 'toExtendedJSON' | 'fromExtendedJSON' | 'inspect';
+
+/**
+ * A class representation of the BSON UUID type.
+ * @public
+ */
+export declare class UUID extends Binary {
+    static cacheHexString: boolean;
+    /* Excluded from this release type: __id */
+    /**
+     * Create an UUID type
+     *
+     * @param input - Can be a 32 or 36 character hex string (dashes excluded/included) or a 16 byte binary Buffer.
+     */
+    constructor(input?: string | Buffer | UUID);
+    /**
+     * The UUID bytes
+     * @readonly
+     */
+    get id(): Buffer;
+    set id(value: Buffer);
+    /**
+     * Returns the UUID id as a 32 or 36 character hex string representation, excluding/including dashes (defaults to 36 character dash separated)
+     * @param includeDashes - should the string exclude dash-separators.
+     * */
+    toHexString(includeDashes?: boolean): string;
+    /**
+     * Converts the id into a 36 character (dashes included) hex string, unless a encoding is specified.
+     */
+    toString(encoding?: string): string;
+    /**
+     * Converts the id into its JSON string representation.
+     * A 36 character (dashes included) hex string in the format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+     */
+    toJSON(): string;
+    /**
+     * Compares the equality of this UUID with `otherID`.
+     *
+     * @param otherId - UUID instance to compare against.
+     */
+    equals(otherId: string | Buffer | UUID): boolean;
+    /**
+     * Creates a Binary instance from the current UUID.
+     */
+    toBinary(): Binary;
+    /**
+     * Generates a populated buffer containing a v4 uuid
+     */
+    static generate(): Buffer;
+    /**
+     * Checks if a value is a valid bson UUID
+     * @param input - UUID, string or Buffer to validate.
+     */
+    static isValid(input: string | Buffer | UUID): boolean;
+    /**
+     * Creates an UUID from a hex string representation of an UUID.
+     * @param hexString - 32 or 36 character hex string (dashes excluded/included).
+     */
+    static createFromHexString(hexString: string): UUID;
+    inspect(): string;
+}
+
+/** @public */
+export declare type UUIDExtended = {
+    $uuid: string;
+};
+
+export { }
diff --git a/node_modules/bson/dist/bson.browser.esm.js b/node_modules/bson/dist/bson.browser.esm.js
new file mode 100644
index 000000000..6e80645e5
--- /dev/null
+++ b/node_modules/bson/dist/bson.browser.esm.js
@@ -0,0 +1,7470 @@
+function createCommonjsModule(fn, module) {
+	return module = { exports: {} }, fn(module, module.exports), module.exports;
+}
+
+var byteLength_1 = byteLength;
+var toByteArray_1 = toByteArray;
+var fromByteArray_1 = fromByteArray;
+var lookup = [];
+var revLookup = [];
+var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array;
+var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+
+for (var i = 0, len = code.length; i < len; ++i) {
+  lookup[i] = code[i];
+  revLookup[code.charCodeAt(i)] = i;
+} // Support decoding URL-safe base64 strings, as Node.js does.
+// See: https://en.wikipedia.org/wiki/Base64#URL_applications
+
+
+revLookup['-'.charCodeAt(0)] = 62;
+revLookup['_'.charCodeAt(0)] = 63;
+
+function getLens(b64) {
+  var len = b64.length;
+
+  if (len % 4 > 0) {
+    throw new Error('Invalid string. Length must be a multiple of 4');
+  } // Trim off extra bytes after placeholder bytes are found
+  // See: https://github.com/beatgammit/base64-js/issues/42
+
+
+  var validLen = b64.indexOf('=');
+  if (validLen === -1) validLen = len;
+  var placeHoldersLen = validLen === len ? 0 : 4 - validLen % 4;
+  return [validLen, placeHoldersLen];
+} // base64 is 4/3 + up to two characters of the original data
+
+
+function byteLength(b64) {
+  var lens = getLens(b64);
+  var validLen = lens[0];
+  var placeHoldersLen = lens[1];
+  return (validLen + placeHoldersLen) * 3 / 4 - placeHoldersLen;
+}
+
+function _byteLength(b64, validLen, placeHoldersLen) {
+  return (validLen + placeHoldersLen) * 3 / 4 - placeHoldersLen;
+}
+
+function toByteArray(b64) {
+  var tmp;
+  var lens = getLens(b64);
+  var validLen = lens[0];
+  var placeHoldersLen = lens[1];
+  var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen));
+  var curByte = 0; // if there are placeholders, only get up to the last complete 4 chars
+
+  var len = placeHoldersLen > 0 ? validLen - 4 : validLen;
+  var i;
+
+  for (i = 0; i < len; i += 4) {
+    tmp = revLookup[b64.charCodeAt(i)] << 18 | revLookup[b64.charCodeAt(i + 1)] << 12 | revLookup[b64.charCodeAt(i + 2)] << 6 | revLookup[b64.charCodeAt(i + 3)];
+    arr[curByte++] = tmp >> 16 & 0xFF;
+    arr[curByte++] = tmp >> 8 & 0xFF;
+    arr[curByte++] = tmp & 0xFF;
+  }
+
+  if (placeHoldersLen === 2) {
+    tmp = revLookup[b64.charCodeAt(i)] << 2 | revLookup[b64.charCodeAt(i + 1)] >> 4;
+    arr[curByte++] = tmp & 0xFF;
+  }
+
+  if (placeHoldersLen === 1) {
+    tmp = revLookup[b64.charCodeAt(i)] << 10 | revLookup[b64.charCodeAt(i + 1)] << 4 | revLookup[b64.charCodeAt(i + 2)] >> 2;
+    arr[curByte++] = tmp >> 8 & 0xFF;
+    arr[curByte++] = tmp & 0xFF;
+  }
+
+  return arr;
+}
+
+function tripletToBase64(num) {
+  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F];
+}
+
+function encodeChunk(uint8, start, end) {
+  var tmp;
+  var output = [];
+
+  for (var i = start; i < end; i += 3) {
+    tmp = (uint8[i] << 16 & 0xFF0000) + (uint8[i + 1] << 8 & 0xFF00) + (uint8[i + 2] & 0xFF);
+    output.push(tripletToBase64(tmp));
+  }
+
+  return output.join('');
+}
+
+function fromByteArray(uint8) {
+  var tmp;
+  var len = uint8.length;
+  var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes
+
+  var parts = [];
+  var maxChunkLength = 16383; // must be multiple of 3
+  // go through the array every three bytes, we'll deal with trailing stuff later
+
+  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+    parts.push(encodeChunk(uint8, i, i + maxChunkLength > len2 ? len2 : i + maxChunkLength));
+  } // pad the end with zeros, but make sure to not forget the extra bytes
+
+
+  if (extraBytes === 1) {
+    tmp = uint8[len - 1];
+    parts.push(lookup[tmp >> 2] + lookup[tmp << 4 & 0x3F] + '==');
+  } else if (extraBytes === 2) {
+    tmp = (uint8[len - 2] << 8) + uint8[len - 1];
+    parts.push(lookup[tmp >> 10] + lookup[tmp >> 4 & 0x3F] + lookup[tmp << 2 & 0x3F] + '=');
+  }
+
+  return parts.join('');
+}
+
+var base64Js = {
+  byteLength: byteLength_1,
+  toByteArray: toByteArray_1,
+  fromByteArray: fromByteArray_1
+};
+
+/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */
+var read = function read(buffer, offset, isLE, mLen, nBytes) {
+  var e, m;
+  var eLen = nBytes * 8 - mLen - 1;
+  var eMax = (1 << eLen) - 1;
+  var eBias = eMax >> 1;
+  var nBits = -7;
+  var i = isLE ? nBytes - 1 : 0;
+  var d = isLE ? -1 : 1;
+  var s = buffer[offset + i];
+  i += d;
+  e = s & (1 << -nBits) - 1;
+  s >>= -nBits;
+  nBits += eLen;
+
+  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+  m = e & (1 << -nBits) - 1;
+  e >>= -nBits;
+  nBits += mLen;
+
+  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+  if (e === 0) {
+    e = 1 - eBias;
+  } else if (e === eMax) {
+    return m ? NaN : (s ? -1 : 1) * Infinity;
+  } else {
+    m = m + Math.pow(2, mLen);
+    e = e - eBias;
+  }
+
+  return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
+};
+
+var write = function write(buffer, value, offset, isLE, mLen, nBytes) {
+  var e, m, c;
+  var eLen = nBytes * 8 - mLen - 1;
+  var eMax = (1 << eLen) - 1;
+  var eBias = eMax >> 1;
+  var rt = mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0;
+  var i = isLE ? 0 : nBytes - 1;
+  var d = isLE ? 1 : -1;
+  var s = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0;
+  value = Math.abs(value);
+
+  if (isNaN(value) || value === Infinity) {
+    m = isNaN(value) ? 1 : 0;
+    e = eMax;
+  } else {
+    e = Math.floor(Math.log(value) / Math.LN2);
+
+    if (value * (c = Math.pow(2, -e)) < 1) {
+      e--;
+      c *= 2;
+    }
+
+    if (e + eBias >= 1) {
+      value += rt / c;
+    } else {
+      value += rt * Math.pow(2, 1 - eBias);
+    }
+
+    if (value * c >= 2) {
+      e++;
+      c /= 2;
+    }
+
+    if (e + eBias >= eMax) {
+      m = 0;
+      e = eMax;
+    } else if (e + eBias >= 1) {
+      m = (value * c - 1) * Math.pow(2, mLen);
+      e = e + eBias;
+    } else {
+      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
+      e = 0;
+    }
+  }
+
+  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+  e = e << mLen | m;
+  eLen += mLen;
+
+  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+  buffer[offset + i - d] |= s * 128;
+};
+
+var ieee754 = {
+  read: read,
+  write: write
+};
+
+var buffer$1 = createCommonjsModule(function (module, exports) {
+
+  var customInspectSymbol = typeof Symbol === 'function' && typeof Symbol['for'] === 'function' ? // eslint-disable-line dot-notation
+  Symbol['for']('nodejs.util.inspect.custom') // eslint-disable-line dot-notation
+  : null;
+  exports.Buffer = Buffer;
+  exports.SlowBuffer = SlowBuffer;
+  exports.INSPECT_MAX_BYTES = 50;
+  var K_MAX_LENGTH = 0x7fffffff;
+  exports.kMaxLength = K_MAX_LENGTH;
+  /**
+   * If `Buffer.TYPED_ARRAY_SUPPORT`:
+   *   === true    Use Uint8Array implementation (fastest)
+   *   === false   Print warning and recommend using `buffer` v4.x which has an Object
+   *               implementation (most compatible, even IE6)
+   *
+   * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+   * Opera 11.6+, iOS 4.2+.
+   *
+   * We report that the browser does not support typed arrays if the are not subclassable
+   * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
+   * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
+   * for __proto__ and has a buggy typed array implementation.
+   */
+
+  Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport();
+
+  if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' && typeof console.error === 'function') {
+    console.error('This browser lacks typed array (Uint8Array) support which is required by ' + '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.');
+  }
+
+  function typedArraySupport() {
+    // Can typed array instances can be augmented?
+    try {
+      var arr = new Uint8Array(1);
+      var proto = {
+        foo: function foo() {
+          return 42;
+        }
+      };
+      Object.setPrototypeOf(proto, Uint8Array.prototype);
+      Object.setPrototypeOf(arr, proto);
+      return arr.foo() === 42;
+    } catch (e) {
+      return false;
+    }
+  }
+
+  Object.defineProperty(Buffer.prototype, 'parent', {
+    enumerable: true,
+    get: function get() {
+      if (!Buffer.isBuffer(this)) return undefined;
+      return this.buffer;
+    }
+  });
+  Object.defineProperty(Buffer.prototype, 'offset', {
+    enumerable: true,
+    get: function get() {
+      if (!Buffer.isBuffer(this)) return undefined;
+      return this.byteOffset;
+    }
+  });
+
+  function createBuffer(length) {
+    if (length > K_MAX_LENGTH) {
+      throw new RangeError('The value "' + length + '" is invalid for option "size"');
+    } // Return an augmented `Uint8Array` instance
+
+
+    var buf = new Uint8Array(length);
+    Object.setPrototypeOf(buf, Buffer.prototype);
+    return buf;
+  }
+  /**
+   * The Buffer constructor returns instances of `Uint8Array` that have their
+   * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+   * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+   * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+   * returns a single octet.
+   *
+   * The `Uint8Array` prototype remains unmodified.
+   */
+
+
+  function Buffer(arg, encodingOrOffset, length) {
+    // Common case.
+    if (typeof arg === 'number') {
+      if (typeof encodingOrOffset === 'string') {
+        throw new TypeError('The "string" argument must be of type string. Received type number');
+      }
+
+      return allocUnsafe(arg);
+    }
+
+    return from(arg, encodingOrOffset, length);
+  }
+
+  Buffer.poolSize = 8192; // not used by this implementation
+
+  function from(value, encodingOrOffset, length) {
+    if (typeof value === 'string') {
+      return fromString(value, encodingOrOffset);
+    }
+
+    if (ArrayBuffer.isView(value)) {
+      return fromArrayView(value);
+    }
+
+    if (value == null) {
+      throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + 'or Array-like Object. Received type ' + babelHelpers["typeof"](value));
+    }
+
+    if (isInstance(value, ArrayBuffer) || value && isInstance(value.buffer, ArrayBuffer)) {
+      return fromArrayBuffer(value, encodingOrOffset, length);
+    }
+
+    if (typeof SharedArrayBuffer !== 'undefined' && (isInstance(value, SharedArrayBuffer) || value && isInstance(value.buffer, SharedArrayBuffer))) {
+      return fromArrayBuffer(value, encodingOrOffset, length);
+    }
+
+    if (typeof value === 'number') {
+      throw new TypeError('The "value" argument must not be of type number. Received type number');
+    }
+
+    var valueOf = value.valueOf && value.valueOf();
+
+    if (valueOf != null && valueOf !== value) {
+      return Buffer.from(valueOf, encodingOrOffset, length);
+    }
+
+    var b = fromObject(value);
+    if (b) return b;
+
+    if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null && typeof value[Symbol.toPrimitive] === 'function') {
+      return Buffer.from(value[Symbol.toPrimitive]('string'), encodingOrOffset, length);
+    }
+
+    throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + 'or Array-like Object. Received type ' + babelHelpers["typeof"](value));
+  }
+  /**
+   * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+   * if value is a number.
+   * Buffer.from(str[, encoding])
+   * Buffer.from(array)
+   * Buffer.from(buffer)
+   * Buffer.from(arrayBuffer[, byteOffset[, length]])
+   **/
+
+
+  Buffer.from = function (value, encodingOrOffset, length) {
+    return from(value, encodingOrOffset, length);
+  }; // Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
+  // https://github.com/feross/buffer/pull/148
+
+
+  Object.setPrototypeOf(Buffer.prototype, Uint8Array.prototype);
+  Object.setPrototypeOf(Buffer, Uint8Array);
+
+  function assertSize(size) {
+    if (typeof size !== 'number') {
+      throw new TypeError('"size" argument must be of type number');
+    } else if (size < 0) {
+      throw new RangeError('The value "' + size + '" is invalid for option "size"');
+    }
+  }
+
+  function alloc(size, fill, encoding) {
+    assertSize(size);
+
+    if (size <= 0) {
+      return createBuffer(size);
+    }
+
+    if (fill !== undefined) {
+      // Only pay attention to encoding if it's a string. This
+      // prevents accidentally sending in a number that would
+      // be interpreted as a start offset.
+      return typeof encoding === 'string' ? createBuffer(size).fill(fill, encoding) : createBuffer(size).fill(fill);
+    }
+
+    return createBuffer(size);
+  }
+  /**
+   * Creates a new filled Buffer instance.
+   * alloc(size[, fill[, encoding]])
+   **/
+
+
+  Buffer.alloc = function (size, fill, encoding) {
+    return alloc(size, fill, encoding);
+  };
+
+  function allocUnsafe(size) {
+    assertSize(size);
+    return createBuffer(size < 0 ? 0 : checked(size) | 0);
+  }
+  /**
+   * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+   * */
+
+
+  Buffer.allocUnsafe = function (size) {
+    return allocUnsafe(size);
+  };
+  /**
+   * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+   */
+
+
+  Buffer.allocUnsafeSlow = function (size) {
+    return allocUnsafe(size);
+  };
+
+  function fromString(string, encoding) {
+    if (typeof encoding !== 'string' || encoding === '') {
+      encoding = 'utf8';
+    }
+
+    if (!Buffer.isEncoding(encoding)) {
+      throw new TypeError('Unknown encoding: ' + encoding);
+    }
+
+    var length = byteLength(string, encoding) | 0;
+    var buf = createBuffer(length);
+    var actual = buf.write(string, encoding);
+
+    if (actual !== length) {
+      // Writing a hex string, for example, that contains invalid characters will
+      // cause everything after the first invalid character to be ignored. (e.g.
+      // 'abxxcd' will be treated as 'ab')
+      buf = buf.slice(0, actual);
+    }
+
+    return buf;
+  }
+
+  function fromArrayLike(array) {
+    var length = array.length < 0 ? 0 : checked(array.length) | 0;
+    var buf = createBuffer(length);
+
+    for (var i = 0; i < length; i += 1) {
+      buf[i] = array[i] & 255;
+    }
+
+    return buf;
+  }
+
+  function fromArrayView(arrayView) {
+    if (isInstance(arrayView, Uint8Array)) {
+      var copy = new Uint8Array(arrayView);
+      return fromArrayBuffer(copy.buffer, copy.byteOffset, copy.byteLength);
+    }
+
+    return fromArrayLike(arrayView);
+  }
+
+  function fromArrayBuffer(array, byteOffset, length) {
+    if (byteOffset < 0 || array.byteLength < byteOffset) {
+      throw new RangeError('"offset" is outside of buffer bounds');
+    }
+
+    if (array.byteLength < byteOffset + (length || 0)) {
+      throw new RangeError('"length" is outside of buffer bounds');
+    }
+
+    var buf;
+
+    if (byteOffset === undefined && length === undefined) {
+      buf = new Uint8Array(array);
+    } else if (length === undefined) {
+      buf = new Uint8Array(array, byteOffset);
+    } else {
+      buf = new Uint8Array(array, byteOffset, length);
+    } // Return an augmented `Uint8Array` instance
+
+
+    Object.setPrototypeOf(buf, Buffer.prototype);
+    return buf;
+  }
+
+  function fromObject(obj) {
+    if (Buffer.isBuffer(obj)) {
+      var len = checked(obj.length) | 0;
+      var buf = createBuffer(len);
+
+      if (buf.length === 0) {
+        return buf;
+      }
+
+      obj.copy(buf, 0, 0, len);
+      return buf;
+    }
+
+    if (obj.length !== undefined) {
+      if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
+        return createBuffer(0);
+      }
+
+      return fromArrayLike(obj);
+    }
+
+    if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
+      return fromArrayLike(obj.data);
+    }
+  }
+
+  function checked(length) {
+    // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
+    // length is NaN (which is otherwise coerced to zero.)
+    if (length >= K_MAX_LENGTH) {
+      throw new RangeError('Attempt to allocate Buffer larger than maximum ' + 'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes');
+    }
+
+    return length | 0;
+  }
+
+  function SlowBuffer(length) {
+    if (+length != length) {
+      // eslint-disable-line eqeqeq
+      length = 0;
+    }
+
+    return Buffer.alloc(+length);
+  }
+
+  Buffer.isBuffer = function isBuffer(b) {
+    return b != null && b._isBuffer === true && b !== Buffer.prototype; // so Buffer.isBuffer(Buffer.prototype) will be false
+  };
+
+  Buffer.compare = function compare(a, b) {
+    if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength);
+    if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength);
+
+    if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
+      throw new TypeError('The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array');
+    }
+
+    if (a === b) return 0;
+    var x = a.length;
+    var y = b.length;
+
+    for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+      if (a[i] !== b[i]) {
+        x = a[i];
+        y = b[i];
+        break;
+      }
+    }
+
+    if (x < y) return -1;
+    if (y < x) return 1;
+    return 0;
+  };
+
+  Buffer.isEncoding = function isEncoding(encoding) {
+    switch (String(encoding).toLowerCase()) {
+      case 'hex':
+      case 'utf8':
+      case 'utf-8':
+      case 'ascii':
+      case 'latin1':
+      case 'binary':
+      case 'base64':
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return true;
+
+      default:
+        return false;
+    }
+  };
+
+  Buffer.concat = function concat(list, length) {
+    if (!Array.isArray(list)) {
+      throw new TypeError('"list" argument must be an Array of Buffers');
+    }
+
+    if (list.length === 0) {
+      return Buffer.alloc(0);
+    }
+
+    var i;
+
+    if (length === undefined) {
+      length = 0;
+
+      for (i = 0; i < list.length; ++i) {
+        length += list[i].length;
+      }
+    }
+
+    var buffer = Buffer.allocUnsafe(length);
+    var pos = 0;
+
+    for (i = 0; i < list.length; ++i) {
+      var buf = list[i];
+
+      if (isInstance(buf, Uint8Array)) {
+        if (pos + buf.length > buffer.length) {
+          Buffer.from(buf).copy(buffer, pos);
+        } else {
+          Uint8Array.prototype.set.call(buffer, buf, pos);
+        }
+      } else if (!Buffer.isBuffer(buf)) {
+        throw new TypeError('"list" argument must be an Array of Buffers');
+      } else {
+        buf.copy(buffer, pos);
+      }
+
+      pos += buf.length;
+    }
+
+    return buffer;
+  };
+
+  function byteLength(string, encoding) {
+    if (Buffer.isBuffer(string)) {
+      return string.length;
+    }
+
+    if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {
+      return string.byteLength;
+    }
+
+    if (typeof string !== 'string') {
+      throw new TypeError('The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' + 'Received type ' + babelHelpers["typeof"](string));
+    }
+
+    var len = string.length;
+    var mustMatch = arguments.length > 2 && arguments[2] === true;
+    if (!mustMatch && len === 0) return 0; // Use a for loop to avoid recursion
+
+    var loweredCase = false;
+
+    for (;;) {
+      switch (encoding) {
+        case 'ascii':
+        case 'latin1':
+        case 'binary':
+          return len;
+
+        case 'utf8':
+        case 'utf-8':
+          return utf8ToBytes(string).length;
+
+        case 'ucs2':
+        case 'ucs-2':
+        case 'utf16le':
+        case 'utf-16le':
+          return len * 2;
+
+        case 'hex':
+          return len >>> 1;
+
+        case 'base64':
+          return base64ToBytes(string).length;
+
+        default:
+          if (loweredCase) {
+            return mustMatch ? -1 : utf8ToBytes(string).length; // assume utf8
+          }
+
+          encoding = ('' + encoding).toLowerCase();
+          loweredCase = true;
+      }
+    }
+  }
+
+  Buffer.byteLength = byteLength;
+
+  function slowToString(encoding, start, end) {
+    var loweredCase = false; // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+    // property of a typed array.
+    // This behaves neither like String nor Uint8Array in that we set start/end
+    // to their upper/lower bounds if the value passed is out of range.
+    // undefined is handled specially as per ECMA-262 6th Edition,
+    // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+
+    if (start === undefined || start < 0) {
+      start = 0;
+    } // Return early if start > this.length. Done here to prevent potential uint32
+    // coercion fail below.
+
+
+    if (start > this.length) {
+      return '';
+    }
+
+    if (end === undefined || end > this.length) {
+      end = this.length;
+    }
+
+    if (end <= 0) {
+      return '';
+    } // Force coercion to uint32. This will also coerce falsey/NaN values to 0.
+
+
+    end >>>= 0;
+    start >>>= 0;
+
+    if (end <= start) {
+      return '';
+    }
+
+    if (!encoding) encoding = 'utf8';
+
+    while (true) {
+      switch (encoding) {
+        case 'hex':
+          return hexSlice(this, start, end);
+
+        case 'utf8':
+        case 'utf-8':
+          return utf8Slice(this, start, end);
+
+        case 'ascii':
+          return asciiSlice(this, start, end);
+
+        case 'latin1':
+        case 'binary':
+          return latin1Slice(this, start, end);
+
+        case 'base64':
+          return base64Slice(this, start, end);
+
+        case 'ucs2':
+        case 'ucs-2':
+        case 'utf16le':
+        case 'utf-16le':
+          return utf16leSlice(this, start, end);
+
+        default:
+          if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
+          encoding = (encoding + '').toLowerCase();
+          loweredCase = true;
+      }
+    }
+  } // This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
+  // to detect a Buffer instance. It's not possible to use `instanceof Buffer`
+  // reliably in a browserify context because there could be multiple different
+  // copies of the 'buffer' package in use. This method works even for Buffer
+  // instances that were created from another copy of the `buffer` package.
+  // See: https://github.com/feross/buffer/issues/154
+
+
+  Buffer.prototype._isBuffer = true;
+
+  function swap(b, n, m) {
+    var i = b[n];
+    b[n] = b[m];
+    b[m] = i;
+  }
+
+  Buffer.prototype.swap16 = function swap16() {
+    var len = this.length;
+
+    if (len % 2 !== 0) {
+      throw new RangeError('Buffer size must be a multiple of 16-bits');
+    }
+
+    for (var i = 0; i < len; i += 2) {
+      swap(this, i, i + 1);
+    }
+
+    return this;
+  };
+
+  Buffer.prototype.swap32 = function swap32() {
+    var len = this.length;
+
+    if (len % 4 !== 0) {
+      throw new RangeError('Buffer size must be a multiple of 32-bits');
+    }
+
+    for (var i = 0; i < len; i += 4) {
+      swap(this, i, i + 3);
+      swap(this, i + 1, i + 2);
+    }
+
+    return this;
+  };
+
+  Buffer.prototype.swap64 = function swap64() {
+    var len = this.length;
+
+    if (len % 8 !== 0) {
+      throw new RangeError('Buffer size must be a multiple of 64-bits');
+    }
+
+    for (var i = 0; i < len; i += 8) {
+      swap(this, i, i + 7);
+      swap(this, i + 1, i + 6);
+      swap(this, i + 2, i + 5);
+      swap(this, i + 3, i + 4);
+    }
+
+    return this;
+  };
+
+  Buffer.prototype.toString = function toString() {
+    var length = this.length;
+    if (length === 0) return '';
+    if (arguments.length === 0) return utf8Slice(this, 0, length);
+    return slowToString.apply(this, arguments);
+  };
+
+  Buffer.prototype.toLocaleString = Buffer.prototype.toString;
+
+  Buffer.prototype.equals = function equals(b) {
+    if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer');
+    if (this === b) return true;
+    return Buffer.compare(this, b) === 0;
+  };
+
+  Buffer.prototype.inspect = function inspect() {
+    var str = '';
+    var max = exports.INSPECT_MAX_BYTES;
+    str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim();
+    if (this.length > max) str += ' ... ';
+    return '<Buffer ' + str + '>';
+  };
+
+  if (customInspectSymbol) {
+    Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect;
+  }
+
+  Buffer.prototype.compare = function compare(target, start, end, thisStart, thisEnd) {
+    if (isInstance(target, Uint8Array)) {
+      target = Buffer.from(target, target.offset, target.byteLength);
+    }
+
+    if (!Buffer.isBuffer(target)) {
+      throw new TypeError('The "target" argument must be one of type Buffer or Uint8Array. ' + 'Received type ' + babelHelpers["typeof"](target));
+    }
+
+    if (start === undefined) {
+      start = 0;
+    }
+
+    if (end === undefined) {
+      end = target ? target.length : 0;
+    }
+
+    if (thisStart === undefined) {
+      thisStart = 0;
+    }
+
+    if (thisEnd === undefined) {
+      thisEnd = this.length;
+    }
+
+    if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+      throw new RangeError('out of range index');
+    }
+
+    if (thisStart >= thisEnd && start >= end) {
+      return 0;
+    }
+
+    if (thisStart >= thisEnd) {
+      return -1;
+    }
+
+    if (start >= end) {
+      return 1;
+    }
+
+    start >>>= 0;
+    end >>>= 0;
+    thisStart >>>= 0;
+    thisEnd >>>= 0;
+    if (this === target) return 0;
+    var x = thisEnd - thisStart;
+    var y = end - start;
+    var len = Math.min(x, y);
+    var thisCopy = this.slice(thisStart, thisEnd);
+    var targetCopy = target.slice(start, end);
+
+    for (var i = 0; i < len; ++i) {
+      if (thisCopy[i] !== targetCopy[i]) {
+        x = thisCopy[i];
+        y = targetCopy[i];
+        break;
+      }
+    }
+
+    if (x < y) return -1;
+    if (y < x) return 1;
+    return 0;
+  }; // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+  // OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+  //
+  // Arguments:
+  // - buffer - a Buffer to search
+  // - val - a string, Buffer, or number
+  // - byteOffset - an index into `buffer`; will be clamped to an int32
+  // - encoding - an optional encoding, relevant is val is a string
+  // - dir - true for indexOf, false for lastIndexOf
+
+
+  function bidirectionalIndexOf(buffer, val, byteOffset, encoding, dir) {
+    // Empty buffer means no match
+    if (buffer.length === 0) return -1; // Normalize byteOffset
+
+    if (typeof byteOffset === 'string') {
+      encoding = byteOffset;
+      byteOffset = 0;
+    } else if (byteOffset > 0x7fffffff) {
+      byteOffset = 0x7fffffff;
+    } else if (byteOffset < -0x80000000) {
+      byteOffset = -0x80000000;
+    }
+
+    byteOffset = +byteOffset; // Coerce to Number.
+
+    if (numberIsNaN(byteOffset)) {
+      // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+      byteOffset = dir ? 0 : buffer.length - 1;
+    } // Normalize byteOffset: negative offsets start from the end of the buffer
+
+
+    if (byteOffset < 0) byteOffset = buffer.length + byteOffset;
+
+    if (byteOffset >= buffer.length) {
+      if (dir) return -1;else byteOffset = buffer.length - 1;
+    } else if (byteOffset < 0) {
+      if (dir) byteOffset = 0;else return -1;
+    } // Normalize val
+
+
+    if (typeof val === 'string') {
+      val = Buffer.from(val, encoding);
+    } // Finally, search either indexOf (if dir is true) or lastIndexOf
+
+
+    if (Buffer.isBuffer(val)) {
+      // Special case: looking for empty string/buffer always fails
+      if (val.length === 0) {
+        return -1;
+      }
+
+      return arrayIndexOf(buffer, val, byteOffset, encoding, dir);
+    } else if (typeof val === 'number') {
+      val = val & 0xFF; // Search for a byte value [0-255]
+
+      if (typeof Uint8Array.prototype.indexOf === 'function') {
+        if (dir) {
+          return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset);
+        } else {
+          return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset);
+        }
+      }
+
+      return arrayIndexOf(buffer, [val], byteOffset, encoding, dir);
+    }
+
+    throw new TypeError('val must be string, number or Buffer');
+  }
+
+  function arrayIndexOf(arr, val, byteOffset, encoding, dir) {
+    var indexSize = 1;
+    var arrLength = arr.length;
+    var valLength = val.length;
+
+    if (encoding !== undefined) {
+      encoding = String(encoding).toLowerCase();
+
+      if (encoding === 'ucs2' || encoding === 'ucs-2' || encoding === 'utf16le' || encoding === 'utf-16le') {
+        if (arr.length < 2 || val.length < 2) {
+          return -1;
+        }
+
+        indexSize = 2;
+        arrLength /= 2;
+        valLength /= 2;
+        byteOffset /= 2;
+      }
+    }
+
+    function read(buf, i) {
+      if (indexSize === 1) {
+        return buf[i];
+      } else {
+        return buf.readUInt16BE(i * indexSize);
+      }
+    }
+
+    var i;
+
+    if (dir) {
+      var foundIndex = -1;
+
+      for (i = byteOffset; i < arrLength; i++) {
+        if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+          if (foundIndex === -1) foundIndex = i;
+          if (i - foundIndex + 1 === valLength) return foundIndex * indexSize;
+        } else {
+          if (foundIndex !== -1) i -= i - foundIndex;
+          foundIndex = -1;
+        }
+      }
+    } else {
+      if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;
+
+      for (i = byteOffset; i >= 0; i--) {
+        var found = true;
+
+        for (var j = 0; j < valLength; j++) {
+          if (read(arr, i + j) !== read(val, j)) {
+            found = false;
+            break;
+          }
+        }
+
+        if (found) return i;
+      }
+    }
+
+    return -1;
+  }
+
+  Buffer.prototype.includes = function includes(val, byteOffset, encoding) {
+    return this.indexOf(val, byteOffset, encoding) !== -1;
+  };
+
+  Buffer.prototype.indexOf = function indexOf(val, byteOffset, encoding) {
+    return bidirectionalIndexOf(this, val, byteOffset, encoding, true);
+  };
+
+  Buffer.prototype.lastIndexOf = function lastIndexOf(val, byteOffset, encoding) {
+    return bidirectionalIndexOf(this, val, byteOffset, encoding, false);
+  };
+
+  function hexWrite(buf, string, offset, length) {
+    offset = Number(offset) || 0;
+    var remaining = buf.length - offset;
+
+    if (!length) {
+      length = remaining;
+    } else {
+      length = Number(length);
+
+      if (length > remaining) {
+        length = remaining;
+      }
+    }
+
+    var strLen = string.length;
+
+    if (length > strLen / 2) {
+      length = strLen / 2;
+    }
+
+    for (var i = 0; i < length; ++i) {
+      var parsed = parseInt(string.substr(i * 2, 2), 16);
+      if (numberIsNaN(parsed)) return i;
+      buf[offset + i] = parsed;
+    }
+
+    return i;
+  }
+
+  function utf8Write(buf, string, offset, length) {
+    return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length);
+  }
+
+  function asciiWrite(buf, string, offset, length) {
+    return blitBuffer(asciiToBytes(string), buf, offset, length);
+  }
+
+  function base64Write(buf, string, offset, length) {
+    return blitBuffer(base64ToBytes(string), buf, offset, length);
+  }
+
+  function ucs2Write(buf, string, offset, length) {
+    return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length);
+  }
+
+  Buffer.prototype.write = function write(string, offset, length, encoding) {
+    // Buffer#write(string)
+    if (offset === undefined) {
+      encoding = 'utf8';
+      length = this.length;
+      offset = 0; // Buffer#write(string, encoding)
+    } else if (length === undefined && typeof offset === 'string') {
+      encoding = offset;
+      length = this.length;
+      offset = 0; // Buffer#write(string, offset[, length][, encoding])
+    } else if (isFinite(offset)) {
+      offset = offset >>> 0;
+
+      if (isFinite(length)) {
+        length = length >>> 0;
+        if (encoding === undefined) encoding = 'utf8';
+      } else {
+        encoding = length;
+        length = undefined;
+      }
+    } else {
+      throw new Error('Buffer.write(string, encoding, offset[, length]) is no longer supported');
+    }
+
+    var remaining = this.length - offset;
+    if (length === undefined || length > remaining) length = remaining;
+
+    if (string.length > 0 && (length < 0 || offset < 0) || offset > this.length) {
+      throw new RangeError('Attempt to write outside buffer bounds');
+    }
+
+    if (!encoding) encoding = 'utf8';
+    var loweredCase = false;
+
+    for (;;) {
+      switch (encoding) {
+        case 'hex':
+          return hexWrite(this, string, offset, length);
+
+        case 'utf8':
+        case 'utf-8':
+          return utf8Write(this, string, offset, length);
+
+        case 'ascii':
+        case 'latin1':
+        case 'binary':
+          return asciiWrite(this, string, offset, length);
+
+        case 'base64':
+          // Warning: maxLength not taken into account in base64Write
+          return base64Write(this, string, offset, length);
+
+        case 'ucs2':
+        case 'ucs-2':
+        case 'utf16le':
+        case 'utf-16le':
+          return ucs2Write(this, string, offset, length);
+
+        default:
+          if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
+          encoding = ('' + encoding).toLowerCase();
+          loweredCase = true;
+      }
+    }
+  };
+
+  Buffer.prototype.toJSON = function toJSON() {
+    return {
+      type: 'Buffer',
+      data: Array.prototype.slice.call(this._arr || this, 0)
+    };
+  };
+
+  function base64Slice(buf, start, end) {
+    if (start === 0 && end === buf.length) {
+      return base64Js.fromByteArray(buf);
+    } else {
+      return base64Js.fromByteArray(buf.slice(start, end));
+    }
+  }
+
+  function utf8Slice(buf, start, end) {
+    end = Math.min(buf.length, end);
+    var res = [];
+    var i = start;
+
+    while (i < end) {
+      var firstByte = buf[i];
+      var codePoint = null;
+      var bytesPerSequence = firstByte > 0xEF ? 4 : firstByte > 0xDF ? 3 : firstByte > 0xBF ? 2 : 1;
+
+      if (i + bytesPerSequence <= end) {
+        var secondByte, thirdByte, fourthByte, tempCodePoint;
+
+        switch (bytesPerSequence) {
+          case 1:
+            if (firstByte < 0x80) {
+              codePoint = firstByte;
+            }
+
+            break;
+
+          case 2:
+            secondByte = buf[i + 1];
+
+            if ((secondByte & 0xC0) === 0x80) {
+              tempCodePoint = (firstByte & 0x1F) << 0x6 | secondByte & 0x3F;
+
+              if (tempCodePoint > 0x7F) {
+                codePoint = tempCodePoint;
+              }
+            }
+
+            break;
+
+          case 3:
+            secondByte = buf[i + 1];
+            thirdByte = buf[i + 2];
+
+            if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+              tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | thirdByte & 0x3F;
+
+              if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+                codePoint = tempCodePoint;
+              }
+            }
+
+            break;
+
+          case 4:
+            secondByte = buf[i + 1];
+            thirdByte = buf[i + 2];
+            fourthByte = buf[i + 3];
+
+            if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+              tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | fourthByte & 0x3F;
+
+              if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+                codePoint = tempCodePoint;
+              }
+            }
+
+        }
+      }
+
+      if (codePoint === null) {
+        // we did not generate a valid codePoint so insert a
+        // replacement char (U+FFFD) and advance only 1 byte
+        codePoint = 0xFFFD;
+        bytesPerSequence = 1;
+      } else if (codePoint > 0xFFFF) {
+        // encode to utf16 (surrogate pair dance)
+        codePoint -= 0x10000;
+        res.push(codePoint >>> 10 & 0x3FF | 0xD800);
+        codePoint = 0xDC00 | codePoint & 0x3FF;
+      }
+
+      res.push(codePoint);
+      i += bytesPerSequence;
+    }
+
+    return decodeCodePointsArray(res);
+  } // Based on http://stackoverflow.com/a/22747272/680742, the browser with
+  // the lowest limit is Chrome, with 0x10000 args.
+  // We go 1 magnitude less, for safety
+
+
+  var MAX_ARGUMENTS_LENGTH = 0x1000;
+
+  function decodeCodePointsArray(codePoints) {
+    var len = codePoints.length;
+
+    if (len <= MAX_ARGUMENTS_LENGTH) {
+      return String.fromCharCode.apply(String, codePoints); // avoid extra slice()
+    } // Decode in chunks to avoid "call stack size exceeded".
+
+
+    var res = '';
+    var i = 0;
+
+    while (i < len) {
+      res += String.fromCharCode.apply(String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH));
+    }
+
+    return res;
+  }
+
+  function asciiSlice(buf, start, end) {
+    var ret = '';
+    end = Math.min(buf.length, end);
+
+    for (var i = start; i < end; ++i) {
+      ret += String.fromCharCode(buf[i] & 0x7F);
+    }
+
+    return ret;
+  }
+
+  function latin1Slice(buf, start, end) {
+    var ret = '';
+    end = Math.min(buf.length, end);
+
+    for (var i = start; i < end; ++i) {
+      ret += String.fromCharCode(buf[i]);
+    }
+
+    return ret;
+  }
+
+  function hexSlice(buf, start, end) {
+    var len = buf.length;
+    if (!start || start < 0) start = 0;
+    if (!end || end < 0 || end > len) end = len;
+    var out = '';
+
+    for (var i = start; i < end; ++i) {
+      out += hexSliceLookupTable[buf[i]];
+    }
+
+    return out;
+  }
+
+  function utf16leSlice(buf, start, end) {
+    var bytes = buf.slice(start, end);
+    var res = ''; // If bytes.length is odd, the last 8 bits must be ignored (same as node.js)
+
+    for (var i = 0; i < bytes.length - 1; i += 2) {
+      res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
+    }
+
+    return res;
+  }
+
+  Buffer.prototype.slice = function slice(start, end) {
+    var len = this.length;
+    start = ~~start;
+    end = end === undefined ? len : ~~end;
+
+    if (start < 0) {
+      start += len;
+      if (start < 0) start = 0;
+    } else if (start > len) {
+      start = len;
+    }
+
+    if (end < 0) {
+      end += len;
+      if (end < 0) end = 0;
+    } else if (end > len) {
+      end = len;
+    }
+
+    if (end < start) end = start;
+    var newBuf = this.subarray(start, end); // Return an augmented `Uint8Array` instance
+
+    Object.setPrototypeOf(newBuf, Buffer.prototype);
+    return newBuf;
+  };
+  /*
+   * Need to make sure that buffer isn't trying to write out of bounds.
+   */
+
+
+  function checkOffset(offset, ext, length) {
+    if (offset % 1 !== 0 || offset < 0) throw new RangeError('offset is not uint');
+    if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length');
+  }
+
+  Buffer.prototype.readUintLE = Buffer.prototype.readUIntLE = function readUIntLE(offset, byteLength, noAssert) {
+    offset = offset >>> 0;
+    byteLength = byteLength >>> 0;
+    if (!noAssert) checkOffset(offset, byteLength, this.length);
+    var val = this[offset];
+    var mul = 1;
+    var i = 0;
+
+    while (++i < byteLength && (mul *= 0x100)) {
+      val += this[offset + i] * mul;
+    }
+
+    return val;
+  };
+
+  Buffer.prototype.readUintBE = Buffer.prototype.readUIntBE = function readUIntBE(offset, byteLength, noAssert) {
+    offset = offset >>> 0;
+    byteLength = byteLength >>> 0;
+
+    if (!noAssert) {
+      checkOffset(offset, byteLength, this.length);
+    }
+
+    var val = this[offset + --byteLength];
+    var mul = 1;
+
+    while (byteLength > 0 && (mul *= 0x100)) {
+      val += this[offset + --byteLength] * mul;
+    }
+
+    return val;
+  };
+
+  Buffer.prototype.readUint8 = Buffer.prototype.readUInt8 = function readUInt8(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 1, this.length);
+    return this[offset];
+  };
+
+  Buffer.prototype.readUint16LE = Buffer.prototype.readUInt16LE = function readUInt16LE(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 2, this.length);
+    return this[offset] | this[offset + 1] << 8;
+  };
+
+  Buffer.prototype.readUint16BE = Buffer.prototype.readUInt16BE = function readUInt16BE(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 2, this.length);
+    return this[offset] << 8 | this[offset + 1];
+  };
+
+  Buffer.prototype.readUint32LE = Buffer.prototype.readUInt32LE = function readUInt32LE(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 4, this.length);
+    return (this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16) + this[offset + 3] * 0x1000000;
+  };
+
+  Buffer.prototype.readUint32BE = Buffer.prototype.readUInt32BE = function readUInt32BE(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 4, this.length);
+    return this[offset] * 0x1000000 + (this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3]);
+  };
+
+  Buffer.prototype.readIntLE = function readIntLE(offset, byteLength, noAssert) {
+    offset = offset >>> 0;
+    byteLength = byteLength >>> 0;
+    if (!noAssert) checkOffset(offset, byteLength, this.length);
+    var val = this[offset];
+    var mul = 1;
+    var i = 0;
+
+    while (++i < byteLength && (mul *= 0x100)) {
+      val += this[offset + i] * mul;
+    }
+
+    mul *= 0x80;
+    if (val >= mul) val -= Math.pow(2, 8 * byteLength);
+    return val;
+  };
+
+  Buffer.prototype.readIntBE = function readIntBE(offset, byteLength, noAssert) {
+    offset = offset >>> 0;
+    byteLength = byteLength >>> 0;
+    if (!noAssert) checkOffset(offset, byteLength, this.length);
+    var i = byteLength;
+    var mul = 1;
+    var val = this[offset + --i];
+
+    while (i > 0 && (mul *= 0x100)) {
+      val += this[offset + --i] * mul;
+    }
+
+    mul *= 0x80;
+    if (val >= mul) val -= Math.pow(2, 8 * byteLength);
+    return val;
+  };
+
+  Buffer.prototype.readInt8 = function readInt8(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 1, this.length);
+    if (!(this[offset] & 0x80)) return this[offset];
+    return (0xff - this[offset] + 1) * -1;
+  };
+
+  Buffer.prototype.readInt16LE = function readInt16LE(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 2, this.length);
+    var val = this[offset] | this[offset + 1] << 8;
+    return val & 0x8000 ? val | 0xFFFF0000 : val;
+  };
+
+  Buffer.prototype.readInt16BE = function readInt16BE(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 2, this.length);
+    var val = this[offset + 1] | this[offset] << 8;
+    return val & 0x8000 ? val | 0xFFFF0000 : val;
+  };
+
+  Buffer.prototype.readInt32LE = function readInt32LE(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 4, this.length);
+    return this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16 | this[offset + 3] << 24;
+  };
+
+  Buffer.prototype.readInt32BE = function readInt32BE(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 4, this.length);
+    return this[offset] << 24 | this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3];
+  };
+
+  Buffer.prototype.readFloatLE = function readFloatLE(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 4, this.length);
+    return ieee754.read(this, offset, true, 23, 4);
+  };
+
+  Buffer.prototype.readFloatBE = function readFloatBE(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 4, this.length);
+    return ieee754.read(this, offset, false, 23, 4);
+  };
+
+  Buffer.prototype.readDoubleLE = function readDoubleLE(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 8, this.length);
+    return ieee754.read(this, offset, true, 52, 8);
+  };
+
+  Buffer.prototype.readDoubleBE = function readDoubleBE(offset, noAssert) {
+    offset = offset >>> 0;
+    if (!noAssert) checkOffset(offset, 8, this.length);
+    return ieee754.read(this, offset, false, 52, 8);
+  };
+
+  function checkInt(buf, value, offset, ext, max, min) {
+    if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance');
+    if (value > max || value < min) throw new RangeError('"value" argument is out of bounds');
+    if (offset + ext > buf.length) throw new RangeError('Index out of range');
+  }
+
+  Buffer.prototype.writeUintLE = Buffer.prototype.writeUIntLE = function writeUIntLE(value, offset, byteLength, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+    byteLength = byteLength >>> 0;
+
+    if (!noAssert) {
+      var maxBytes = Math.pow(2, 8 * byteLength) - 1;
+      checkInt(this, value, offset, byteLength, maxBytes, 0);
+    }
+
+    var mul = 1;
+    var i = 0;
+    this[offset] = value & 0xFF;
+
+    while (++i < byteLength && (mul *= 0x100)) {
+      this[offset + i] = value / mul & 0xFF;
+    }
+
+    return offset + byteLength;
+  };
+
+  Buffer.prototype.writeUintBE = Buffer.prototype.writeUIntBE = function writeUIntBE(value, offset, byteLength, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+    byteLength = byteLength >>> 0;
+
+    if (!noAssert) {
+      var maxBytes = Math.pow(2, 8 * byteLength) - 1;
+      checkInt(this, value, offset, byteLength, maxBytes, 0);
+    }
+
+    var i = byteLength - 1;
+    var mul = 1;
+    this[offset + i] = value & 0xFF;
+
+    while (--i >= 0 && (mul *= 0x100)) {
+      this[offset + i] = value / mul & 0xFF;
+    }
+
+    return offset + byteLength;
+  };
+
+  Buffer.prototype.writeUint8 = Buffer.prototype.writeUInt8 = function writeUInt8(value, offset, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+    if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0);
+    this[offset] = value & 0xff;
+    return offset + 1;
+  };
+
+  Buffer.prototype.writeUint16LE = Buffer.prototype.writeUInt16LE = function writeUInt16LE(value, offset, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+    if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
+    this[offset] = value & 0xff;
+    this[offset + 1] = value >>> 8;
+    return offset + 2;
+  };
+
+  Buffer.prototype.writeUint16BE = Buffer.prototype.writeUInt16BE = function writeUInt16BE(value, offset, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+    if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
+    this[offset] = value >>> 8;
+    this[offset + 1] = value & 0xff;
+    return offset + 2;
+  };
+
+  Buffer.prototype.writeUint32LE = Buffer.prototype.writeUInt32LE = function writeUInt32LE(value, offset, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+    if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
+    this[offset + 3] = value >>> 24;
+    this[offset + 2] = value >>> 16;
+    this[offset + 1] = value >>> 8;
+    this[offset] = value & 0xff;
+    return offset + 4;
+  };
+
+  Buffer.prototype.writeUint32BE = Buffer.prototype.writeUInt32BE = function writeUInt32BE(value, offset, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+    if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
+    this[offset] = value >>> 24;
+    this[offset + 1] = value >>> 16;
+    this[offset + 2] = value >>> 8;
+    this[offset + 3] = value & 0xff;
+    return offset + 4;
+  };
+
+  Buffer.prototype.writeIntLE = function writeIntLE(value, offset, byteLength, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+
+    if (!noAssert) {
+      var limit = Math.pow(2, 8 * byteLength - 1);
+      checkInt(this, value, offset, byteLength, limit - 1, -limit);
+    }
+
+    var i = 0;
+    var mul = 1;
+    var sub = 0;
+    this[offset] = value & 0xFF;
+
+    while (++i < byteLength && (mul *= 0x100)) {
+      if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+        sub = 1;
+      }
+
+      this[offset + i] = (value / mul >> 0) - sub & 0xFF;
+    }
+
+    return offset + byteLength;
+  };
+
+  Buffer.prototype.writeIntBE = function writeIntBE(value, offset, byteLength, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+
+    if (!noAssert) {
+      var limit = Math.pow(2, 8 * byteLength - 1);
+      checkInt(this, value, offset, byteLength, limit - 1, -limit);
+    }
+
+    var i = byteLength - 1;
+    var mul = 1;
+    var sub = 0;
+    this[offset + i] = value & 0xFF;
+
+    while (--i >= 0 && (mul *= 0x100)) {
+      if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+        sub = 1;
+      }
+
+      this[offset + i] = (value / mul >> 0) - sub & 0xFF;
+    }
+
+    return offset + byteLength;
+  };
+
+  Buffer.prototype.writeInt8 = function writeInt8(value, offset, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+    if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80);
+    if (value < 0) value = 0xff + value + 1;
+    this[offset] = value & 0xff;
+    return offset + 1;
+  };
+
+  Buffer.prototype.writeInt16LE = function writeInt16LE(value, offset, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+    if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
+    this[offset] = value & 0xff;
+    this[offset + 1] = value >>> 8;
+    return offset + 2;
+  };
+
+  Buffer.prototype.writeInt16BE = function writeInt16BE(value, offset, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+    if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
+    this[offset] = value >>> 8;
+    this[offset + 1] = value & 0xff;
+    return offset + 2;
+  };
+
+  Buffer.prototype.writeInt32LE = function writeInt32LE(value, offset, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+    if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
+    this[offset] = value & 0xff;
+    this[offset + 1] = value >>> 8;
+    this[offset + 2] = value >>> 16;
+    this[offset + 3] = value >>> 24;
+    return offset + 4;
+  };
+
+  Buffer.prototype.writeInt32BE = function writeInt32BE(value, offset, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+    if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
+    if (value < 0) value = 0xffffffff + value + 1;
+    this[offset] = value >>> 24;
+    this[offset + 1] = value >>> 16;
+    this[offset + 2] = value >>> 8;
+    this[offset + 3] = value & 0xff;
+    return offset + 4;
+  };
+
+  function checkIEEE754(buf, value, offset, ext, max, min) {
+    if (offset + ext > buf.length) throw new RangeError('Index out of range');
+    if (offset < 0) throw new RangeError('Index out of range');
+  }
+
+  function writeFloat(buf, value, offset, littleEndian, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+
+    if (!noAssert) {
+      checkIEEE754(buf, value, offset, 4);
+    }
+
+    ieee754.write(buf, value, offset, littleEndian, 23, 4);
+    return offset + 4;
+  }
+
+  Buffer.prototype.writeFloatLE = function writeFloatLE(value, offset, noAssert) {
+    return writeFloat(this, value, offset, true, noAssert);
+  };
+
+  Buffer.prototype.writeFloatBE = function writeFloatBE(value, offset, noAssert) {
+    return writeFloat(this, value, offset, false, noAssert);
+  };
+
+  function writeDouble(buf, value, offset, littleEndian, noAssert) {
+    value = +value;
+    offset = offset >>> 0;
+
+    if (!noAssert) {
+      checkIEEE754(buf, value, offset, 8);
+    }
+
+    ieee754.write(buf, value, offset, littleEndian, 52, 8);
+    return offset + 8;
+  }
+
+  Buffer.prototype.writeDoubleLE = function writeDoubleLE(value, offset, noAssert) {
+    return writeDouble(this, value, offset, true, noAssert);
+  };
+
+  Buffer.prototype.writeDoubleBE = function writeDoubleBE(value, offset, noAssert) {
+    return writeDouble(this, value, offset, false, noAssert);
+  }; // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+
+
+  Buffer.prototype.copy = function copy(target, targetStart, start, end) {
+    if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer');
+    if (!start) start = 0;
+    if (!end && end !== 0) end = this.length;
+    if (targetStart >= target.length) targetStart = target.length;
+    if (!targetStart) targetStart = 0;
+    if (end > 0 && end < start) end = start; // Copy 0 bytes; we're done
+
+    if (end === start) return 0;
+    if (target.length === 0 || this.length === 0) return 0; // Fatal error conditions
+
+    if (targetStart < 0) {
+      throw new RangeError('targetStart out of bounds');
+    }
+
+    if (start < 0 || start >= this.length) throw new RangeError('Index out of range');
+    if (end < 0) throw new RangeError('sourceEnd out of bounds'); // Are we oob?
+
+    if (end > this.length) end = this.length;
+
+    if (target.length - targetStart < end - start) {
+      end = target.length - targetStart + start;
+    }
+
+    var len = end - start;
+
+    if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {
+      // Use built-in when available, missing from IE11
+      this.copyWithin(targetStart, start, end);
+    } else {
+      Uint8Array.prototype.set.call(target, this.subarray(start, end), targetStart);
+    }
+
+    return len;
+  }; // Usage:
+  //    buffer.fill(number[, offset[, end]])
+  //    buffer.fill(buffer[, offset[, end]])
+  //    buffer.fill(string[, offset[, end]][, encoding])
+
+
+  Buffer.prototype.fill = function fill(val, start, end, encoding) {
+    // Handle string cases:
+    if (typeof val === 'string') {
+      if (typeof start === 'string') {
+        encoding = start;
+        start = 0;
+        end = this.length;
+      } else if (typeof end === 'string') {
+        encoding = end;
+        end = this.length;
+      }
+
+      if (encoding !== undefined && typeof encoding !== 'string') {
+        throw new TypeError('encoding must be a string');
+      }
+
+      if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+        throw new TypeError('Unknown encoding: ' + encoding);
+      }
+
+      if (val.length === 1) {
+        var code = val.charCodeAt(0);
+
+        if (encoding === 'utf8' && code < 128 || encoding === 'latin1') {
+          // Fast path: If `val` fits into a single byte, use that numeric value.
+          val = code;
+        }
+      }
+    } else if (typeof val === 'number') {
+      val = val & 255;
+    } else if (typeof val === 'boolean') {
+      val = Number(val);
+    } // Invalid ranges are not set to a default, so can range check early.
+
+
+    if (start < 0 || this.length < start || this.length < end) {
+      throw new RangeError('Out of range index');
+    }
+
+    if (end <= start) {
+      return this;
+    }
+
+    start = start >>> 0;
+    end = end === undefined ? this.length : end >>> 0;
+    if (!val) val = 0;
+    var i;
+
+    if (typeof val === 'number') {
+      for (i = start; i < end; ++i) {
+        this[i] = val;
+      }
+    } else {
+      var bytes = Buffer.isBuffer(val) ? val : Buffer.from(val, encoding);
+      var len = bytes.length;
+
+      if (len === 0) {
+        throw new TypeError('The value "' + val + '" is invalid for argument "value"');
+      }
+
+      for (i = 0; i < end - start; ++i) {
+        this[i + start] = bytes[i % len];
+      }
+    }
+
+    return this;
+  }; // HELPER FUNCTIONS
+  // ================
+
+
+  var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g;
+
+  function base64clean(str) {
+    // Node takes equal signs as end of the Base64 encoding
+    str = str.split('=')[0]; // Node strips out invalid characters like \n and \t from the string, base64-js does not
+
+    str = str.trim().replace(INVALID_BASE64_RE, ''); // Node converts strings with length < 2 to ''
+
+    if (str.length < 2) return ''; // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+
+    while (str.length % 4 !== 0) {
+      str = str + '=';
+    }
+
+    return str;
+  }
+
+  function utf8ToBytes(string, units) {
+    units = units || Infinity;
+    var codePoint;
+    var length = string.length;
+    var leadSurrogate = null;
+    var bytes = [];
+
+    for (var i = 0; i < length; ++i) {
+      codePoint = string.charCodeAt(i); // is surrogate component
+
+      if (codePoint > 0xD7FF && codePoint < 0xE000) {
+        // last char was a lead
+        if (!leadSurrogate) {
+          // no lead yet
+          if (codePoint > 0xDBFF) {
+            // unexpected trail
+            if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+            continue;
+          } else if (i + 1 === length) {
+            // unpaired lead
+            if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+            continue;
+          } // valid lead
+
+
+          leadSurrogate = codePoint;
+          continue;
+        } // 2 leads in a row
+
+
+        if (codePoint < 0xDC00) {
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+          leadSurrogate = codePoint;
+          continue;
+        } // valid surrogate pair
+
+
+        codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000;
+      } else if (leadSurrogate) {
+        // valid bmp char, but last char was a lead
+        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+      }
+
+      leadSurrogate = null; // encode utf8
+
+      if (codePoint < 0x80) {
+        if ((units -= 1) < 0) break;
+        bytes.push(codePoint);
+      } else if (codePoint < 0x800) {
+        if ((units -= 2) < 0) break;
+        bytes.push(codePoint >> 0x6 | 0xC0, codePoint & 0x3F | 0x80);
+      } else if (codePoint < 0x10000) {
+        if ((units -= 3) < 0) break;
+        bytes.push(codePoint >> 0xC | 0xE0, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
+      } else if (codePoint < 0x110000) {
+        if ((units -= 4) < 0) break;
+        bytes.push(codePoint >> 0x12 | 0xF0, codePoint >> 0xC & 0x3F | 0x80, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
+      } else {
+        throw new Error('Invalid code point');
+      }
+    }
+
+    return bytes;
+  }
+
+  function asciiToBytes(str) {
+    var byteArray = [];
+
+    for (var i = 0; i < str.length; ++i) {
+      // Node's code seems to be doing this and not & 0x7F..
+      byteArray.push(str.charCodeAt(i) & 0xFF);
+    }
+
+    return byteArray;
+  }
+
+  function utf16leToBytes(str, units) {
+    var c, hi, lo;
+    var byteArray = [];
+
+    for (var i = 0; i < str.length; ++i) {
+      if ((units -= 2) < 0) break;
+      c = str.charCodeAt(i);
+      hi = c >> 8;
+      lo = c % 256;
+      byteArray.push(lo);
+      byteArray.push(hi);
+    }
+
+    return byteArray;
+  }
+
+  function base64ToBytes(str) {
+    return base64Js.toByteArray(base64clean(str));
+  }
+
+  function blitBuffer(src, dst, offset, length) {
+    for (var i = 0; i < length; ++i) {
+      if (i + offset >= dst.length || i >= src.length) break;
+      dst[i + offset] = src[i];
+    }
+
+    return i;
+  } // ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass
+  // the `instanceof` check but they should be treated as of that type.
+  // See: https://github.com/feross/buffer/issues/166
+
+
+  function isInstance(obj, type) {
+    return obj instanceof type || obj != null && obj.constructor != null && obj.constructor.name != null && obj.constructor.name === type.name;
+  }
+
+  function numberIsNaN(obj) {
+    // For IE11 support
+    return obj !== obj; // eslint-disable-line no-self-compare
+  } // Create lookup table for `toString('hex')`
+  // See: https://github.com/feross/buffer/issues/219
+
+
+  var hexSliceLookupTable = function () {
+    var alphabet = '0123456789abcdef';
+    var table = new Array(256);
+
+    for (var i = 0; i < 16; ++i) {
+      var i16 = i * 16;
+
+      for (var j = 0; j < 16; ++j) {
+        table[i16 + j] = alphabet[i] + alphabet[j];
+      }
+    }
+
+    return table;
+  }();
+});
+var buffer_1 = buffer$1.Buffer;
+buffer$1.SlowBuffer;
+buffer$1.INSPECT_MAX_BYTES;
+buffer$1.kMaxLength;
+
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation.
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+***************************************************************************** */
+
+/* global Reflect, Promise */
+var _extendStatics = function extendStatics(d, b) {
+  _extendStatics = Object.setPrototypeOf || {
+    __proto__: []
+  } instanceof Array && function (d, b) {
+    d.__proto__ = b;
+  } || function (d, b) {
+    for (var p in b) {
+      if (b.hasOwnProperty(p)) d[p] = b[p];
+    }
+  };
+
+  return _extendStatics(d, b);
+};
+
+function __extends(d, b) {
+  _extendStatics(d, b);
+
+  function __() {
+    this.constructor = d;
+  }
+
+  d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+}
+
+var _assign = function __assign() {
+  _assign = Object.assign || function __assign(t) {
+    for (var s, i = 1, n = arguments.length; i < n; i++) {
+      s = arguments[i];
+
+      for (var p in s) {
+        if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
+      }
+    }
+
+    return t;
+  };
+
+  return _assign.apply(this, arguments);
+};
+
+/** @public */
+var BSONError = /** @class */ (function (_super) {
+    __extends(BSONError, _super);
+    function BSONError(message) {
+        var _this = _super.call(this, message) || this;
+        Object.setPrototypeOf(_this, BSONError.prototype);
+        return _this;
+    }
+    Object.defineProperty(BSONError.prototype, "name", {
+        get: function () {
+            return 'BSONError';
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return BSONError;
+}(Error));
+/** @public */
+var BSONTypeError = /** @class */ (function (_super) {
+    __extends(BSONTypeError, _super);
+    function BSONTypeError(message) {
+        var _this = _super.call(this, message) || this;
+        Object.setPrototypeOf(_this, BSONTypeError.prototype);
+        return _this;
+    }
+    Object.defineProperty(BSONTypeError.prototype, "name", {
+        get: function () {
+            return 'BSONTypeError';
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return BSONTypeError;
+}(TypeError));
+
+function checkForMath(potentialGlobal) {
+    // eslint-disable-next-line eqeqeq
+    return potentialGlobal && potentialGlobal.Math == Math && potentialGlobal;
+}
+// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
+function getGlobal() {
+    return (checkForMath(typeof globalThis === 'object' && globalThis) ||
+        checkForMath(typeof window === 'object' && window) ||
+        checkForMath(typeof self === 'object' && self) ||
+        checkForMath(typeof global === 'object' && global) ||
+        // eslint-disable-next-line @typescript-eslint/no-implied-eval
+        Function('return this')());
+}
+
+/**
+ * Normalizes our expected stringified form of a function across versions of node
+ * @param fn - The function to stringify
+ */
+function normalizedFunctionString(fn) {
+    return fn.toString().replace('function(', 'function (');
+}
+function isReactNative() {
+    var g = getGlobal();
+    return typeof g.navigator === 'object' && g.navigator.product === 'ReactNative';
+}
+var insecureRandomBytes = function insecureRandomBytes(size) {
+    var insecureWarning = isReactNative()
+        ? 'BSON: For React Native please polyfill crypto.getRandomValues, e.g. using: https://www.npmjs.com/package/react-native-get-random-values.'
+        : 'BSON: No cryptographic implementation for random bytes present, falling back to a less secure implementation.';
+    console.warn(insecureWarning);
+    var result = buffer_1.alloc(size);
+    for (var i = 0; i < size; ++i)
+        result[i] = Math.floor(Math.random() * 256);
+    return result;
+};
+var detectRandomBytes = function () {
+    {
+        if (typeof window !== 'undefined') {
+            // browser crypto implementation(s)
+            var target_1 = window.crypto || window.msCrypto; // allow for IE11
+            if (target_1 && target_1.getRandomValues) {
+                return function (size) { return target_1.getRandomValues(buffer_1.alloc(size)); };
+            }
+        }
+        if (typeof global !== 'undefined' && global.crypto && global.crypto.getRandomValues) {
+            // allow for RN packages such as https://www.npmjs.com/package/react-native-get-random-values to populate global
+            return function (size) { return global.crypto.getRandomValues(buffer_1.alloc(size)); };
+        }
+        return insecureRandomBytes;
+    }
+};
+var randomBytes = detectRandomBytes();
+function isAnyArrayBuffer(value) {
+    return ['[object ArrayBuffer]', '[object SharedArrayBuffer]'].includes(Object.prototype.toString.call(value));
+}
+function isUint8Array(value) {
+    return Object.prototype.toString.call(value) === '[object Uint8Array]';
+}
+function isBigInt64Array(value) {
+    return Object.prototype.toString.call(value) === '[object BigInt64Array]';
+}
+function isBigUInt64Array(value) {
+    return Object.prototype.toString.call(value) === '[object BigUint64Array]';
+}
+function isRegExp(d) {
+    return Object.prototype.toString.call(d) === '[object RegExp]';
+}
+function isMap(d) {
+    return Object.prototype.toString.call(d) === '[object Map]';
+}
+// To ensure that 0.4 of node works correctly
+function isDate(d) {
+    return isObjectLike(d) && Object.prototype.toString.call(d) === '[object Date]';
+}
+/**
+ * @internal
+ * this is to solve the `'someKey' in x` problem where x is unknown.
+ * https://github.com/typescript-eslint/typescript-eslint/issues/1071#issuecomment-541955753
+ */
+function isObjectLike(candidate) {
+    return typeof candidate === 'object' && candidate !== null;
+}
+function deprecate(fn, message) {
+    var warned = false;
+    function deprecated() {
+        var args = [];
+        for (var _i = 0; _i < arguments.length; _i++) {
+            args[_i] = arguments[_i];
+        }
+        if (!warned) {
+            console.warn(message);
+            warned = true;
+        }
+        return fn.apply(this, args);
+    }
+    return deprecated;
+}
+
+/**
+ * Makes sure that, if a Uint8Array is passed in, it is wrapped in a Buffer.
+ *
+ * @param potentialBuffer - The potential buffer
+ * @returns Buffer the input if potentialBuffer is a buffer, or a buffer that
+ * wraps a passed in Uint8Array
+ * @throws BSONTypeError If anything other than a Buffer or Uint8Array is passed in
+ */
+function ensureBuffer(potentialBuffer) {
+    if (ArrayBuffer.isView(potentialBuffer)) {
+        return buffer_1.from(potentialBuffer.buffer, potentialBuffer.byteOffset, potentialBuffer.byteLength);
+    }
+    if (isAnyArrayBuffer(potentialBuffer)) {
+        return buffer_1.from(potentialBuffer);
+    }
+    throw new BSONTypeError('Must use either Buffer or TypedArray');
+}
+
+// Validation regex for v4 uuid (validates with or without dashes)
+var VALIDATION_REGEX = /^(?:[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|[0-9a-f]{12}4[0-9a-f]{3}[89ab][0-9a-f]{15})$/i;
+var uuidValidateString = function (str) {
+    return typeof str === 'string' && VALIDATION_REGEX.test(str);
+};
+var uuidHexStringToBuffer = function (hexString) {
+    if (!uuidValidateString(hexString)) {
+        throw new BSONTypeError('UUID string representations must be a 32 or 36 character hex string (dashes excluded/included). Format: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" or "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx".');
+    }
+    var sanitizedHexString = hexString.replace(/-/g, '');
+    return buffer_1.from(sanitizedHexString, 'hex');
+};
+var bufferToUuidHexString = function (buffer, includeDashes) {
+    if (includeDashes === void 0) { includeDashes = true; }
+    return includeDashes
+        ? buffer.toString('hex', 0, 4) +
+            '-' +
+            buffer.toString('hex', 4, 6) +
+            '-' +
+            buffer.toString('hex', 6, 8) +
+            '-' +
+            buffer.toString('hex', 8, 10) +
+            '-' +
+            buffer.toString('hex', 10, 16)
+        : buffer.toString('hex');
+};
+
+/** @internal */
+var BSON_INT32_MAX$1 = 0x7fffffff;
+/** @internal */
+var BSON_INT32_MIN$1 = -0x80000000;
+/** @internal */
+var BSON_INT64_MAX$1 = Math.pow(2, 63) - 1;
+/** @internal */
+var BSON_INT64_MIN$1 = -Math.pow(2, 63);
+/**
+ * Any integer up to 2^53 can be precisely represented by a double.
+ * @internal
+ */
+var JS_INT_MAX = Math.pow(2, 53);
+/**
+ * Any integer down to -2^53 can be precisely represented by a double.
+ * @internal
+ */
+var JS_INT_MIN = -Math.pow(2, 53);
+/** Number BSON Type @internal */
+var BSON_DATA_NUMBER = 1;
+/** String BSON Type @internal */
+var BSON_DATA_STRING = 2;
+/** Object BSON Type @internal */
+var BSON_DATA_OBJECT = 3;
+/** Array BSON Type @internal */
+var BSON_DATA_ARRAY = 4;
+/** Binary BSON Type @internal */
+var BSON_DATA_BINARY = 5;
+/** Binary BSON Type @internal */
+var BSON_DATA_UNDEFINED = 6;
+/** ObjectId BSON Type @internal */
+var BSON_DATA_OID = 7;
+/** Boolean BSON Type @internal */
+var BSON_DATA_BOOLEAN = 8;
+/** Date BSON Type @internal */
+var BSON_DATA_DATE = 9;
+/** null BSON Type @internal */
+var BSON_DATA_NULL = 10;
+/** RegExp BSON Type @internal */
+var BSON_DATA_REGEXP = 11;
+/** Code BSON Type @internal */
+var BSON_DATA_DBPOINTER = 12;
+/** Code BSON Type @internal */
+var BSON_DATA_CODE = 13;
+/** Symbol BSON Type @internal */
+var BSON_DATA_SYMBOL = 14;
+/** Code with Scope BSON Type @internal */
+var BSON_DATA_CODE_W_SCOPE = 15;
+/** 32 bit Integer BSON Type @internal */
+var BSON_DATA_INT = 16;
+/** Timestamp BSON Type @internal */
+var BSON_DATA_TIMESTAMP = 17;
+/** Long BSON Type @internal */
+var BSON_DATA_LONG = 18;
+/** Decimal128 BSON Type @internal */
+var BSON_DATA_DECIMAL128 = 19;
+/** MinKey BSON Type @internal */
+var BSON_DATA_MIN_KEY = 0xff;
+/** MaxKey BSON Type @internal */
+var BSON_DATA_MAX_KEY = 0x7f;
+/** Binary Default Type @internal */
+var BSON_BINARY_SUBTYPE_DEFAULT = 0;
+/** Binary Function Type @internal */
+var BSON_BINARY_SUBTYPE_FUNCTION = 1;
+/** Binary Byte Array Type @internal */
+var BSON_BINARY_SUBTYPE_BYTE_ARRAY = 2;
+/** Binary Deprecated UUID Type @deprecated Please use BSON_BINARY_SUBTYPE_UUID_NEW @internal */
+var BSON_BINARY_SUBTYPE_UUID = 3;
+/** Binary UUID Type @internal */
+var BSON_BINARY_SUBTYPE_UUID_NEW = 4;
+/** Binary MD5 Type @internal */
+var BSON_BINARY_SUBTYPE_MD5 = 5;
+/** Encrypted BSON type @internal */
+var BSON_BINARY_SUBTYPE_ENCRYPTED = 6;
+/** Column BSON type @internal */
+var BSON_BINARY_SUBTYPE_COLUMN = 7;
+/** Binary User Defined Type @internal */
+var BSON_BINARY_SUBTYPE_USER_DEFINED = 128;
+
+/**
+ * A class representation of the BSON Binary type.
+ * @public
+ * @category BSONType
+ */
+var Binary = /** @class */ (function () {
+    /**
+     * Create a new Binary instance.
+     *
+     * This constructor can accept a string as its first argument. In this case,
+     * this string will be encoded using ISO-8859-1, **not** using UTF-8.
+     * This is almost certainly not what you want. Use `new Binary(Buffer.from(string))`
+     * instead to convert the string to a Buffer using UTF-8 first.
+     *
+     * @param buffer - a buffer object containing the binary data.
+     * @param subType - the option binary type.
+     */
+    function Binary(buffer, subType) {
+        if (!(this instanceof Binary))
+            return new Binary(buffer, subType);
+        if (!(buffer == null) &&
+            !(typeof buffer === 'string') &&
+            !ArrayBuffer.isView(buffer) &&
+            !(buffer instanceof ArrayBuffer) &&
+            !Array.isArray(buffer)) {
+            throw new BSONTypeError('Binary can only be constructed from string, Buffer, TypedArray, or Array<number>');
+        }
+        this.sub_type = subType !== null && subType !== void 0 ? subType : Binary.BSON_BINARY_SUBTYPE_DEFAULT;
+        if (buffer == null) {
+            // create an empty binary buffer
+            this.buffer = buffer_1.alloc(Binary.BUFFER_SIZE);
+            this.position = 0;
+        }
+        else {
+            if (typeof buffer === 'string') {
+                // string
+                this.buffer = buffer_1.from(buffer, 'binary');
+            }
+            else if (Array.isArray(buffer)) {
+                // number[]
+                this.buffer = buffer_1.from(buffer);
+            }
+            else {
+                // Buffer | TypedArray | ArrayBuffer
+                this.buffer = ensureBuffer(buffer);
+            }
+            this.position = this.buffer.byteLength;
+        }
+    }
+    /**
+     * Updates this binary with byte_value.
+     *
+     * @param byteValue - a single byte we wish to write.
+     */
+    Binary.prototype.put = function (byteValue) {
+        // If it's a string and a has more than one character throw an error
+        if (typeof byteValue === 'string' && byteValue.length !== 1) {
+            throw new BSONTypeError('only accepts single character String');
+        }
+        else if (typeof byteValue !== 'number' && byteValue.length !== 1)
+            throw new BSONTypeError('only accepts single character Uint8Array or Array');
+        // Decode the byte value once
+        var decodedByte;
+        if (typeof byteValue === 'string') {
+            decodedByte = byteValue.charCodeAt(0);
+        }
+        else if (typeof byteValue === 'number') {
+            decodedByte = byteValue;
+        }
+        else {
+            decodedByte = byteValue[0];
+        }
+        if (decodedByte < 0 || decodedByte > 255) {
+            throw new BSONTypeError('only accepts number in a valid unsigned byte range 0-255');
+        }
+        if (this.buffer.length > this.position) {
+            this.buffer[this.position++] = decodedByte;
+        }
+        else {
+            var buffer = buffer_1.alloc(Binary.BUFFER_SIZE + this.buffer.length);
+            // Combine the two buffers together
+            this.buffer.copy(buffer, 0, 0, this.buffer.length);
+            this.buffer = buffer;
+            this.buffer[this.position++] = decodedByte;
+        }
+    };
+    /**
+     * Writes a buffer or string to the binary.
+     *
+     * @param sequence - a string or buffer to be written to the Binary BSON object.
+     * @param offset - specify the binary of where to write the content.
+     */
+    Binary.prototype.write = function (sequence, offset) {
+        offset = typeof offset === 'number' ? offset : this.position;
+        // If the buffer is to small let's extend the buffer
+        if (this.buffer.length < offset + sequence.length) {
+            var buffer = buffer_1.alloc(this.buffer.length + sequence.length);
+            this.buffer.copy(buffer, 0, 0, this.buffer.length);
+            // Assign the new buffer
+            this.buffer = buffer;
+        }
+        if (ArrayBuffer.isView(sequence)) {
+            this.buffer.set(ensureBuffer(sequence), offset);
+            this.position =
+                offset + sequence.byteLength > this.position ? offset + sequence.length : this.position;
+        }
+        else if (typeof sequence === 'string') {
+            this.buffer.write(sequence, offset, sequence.length, 'binary');
+            this.position =
+                offset + sequence.length > this.position ? offset + sequence.length : this.position;
+        }
+    };
+    /**
+     * Reads **length** bytes starting at **position**.
+     *
+     * @param position - read from the given position in the Binary.
+     * @param length - the number of bytes to read.
+     */
+    Binary.prototype.read = function (position, length) {
+        length = length && length > 0 ? length : this.position;
+        // Let's return the data based on the type we have
+        return this.buffer.slice(position, position + length);
+    };
+    /**
+     * Returns the value of this binary as a string.
+     * @param asRaw - Will skip converting to a string
+     * @remarks
+     * This is handy when calling this function conditionally for some key value pairs and not others
+     */
+    Binary.prototype.value = function (asRaw) {
+        asRaw = !!asRaw;
+        // Optimize to serialize for the situation where the data == size of buffer
+        if (asRaw && this.buffer.length === this.position) {
+            return this.buffer;
+        }
+        // If it's a node.js buffer object
+        if (asRaw) {
+            return this.buffer.slice(0, this.position);
+        }
+        return this.buffer.toString('binary', 0, this.position);
+    };
+    /** the length of the binary sequence */
+    Binary.prototype.length = function () {
+        return this.position;
+    };
+    Binary.prototype.toJSON = function () {
+        return this.buffer.toString('base64');
+    };
+    Binary.prototype.toString = function (format) {
+        return this.buffer.toString(format);
+    };
+    /** @internal */
+    Binary.prototype.toExtendedJSON = function (options) {
+        options = options || {};
+        var base64String = this.buffer.toString('base64');
+        var subType = Number(this.sub_type).toString(16);
+        if (options.legacy) {
+            return {
+                $binary: base64String,
+                $type: subType.length === 1 ? '0' + subType : subType
+            };
+        }
+        return {
+            $binary: {
+                base64: base64String,
+                subType: subType.length === 1 ? '0' + subType : subType
+            }
+        };
+    };
+    Binary.prototype.toUUID = function () {
+        if (this.sub_type === Binary.SUBTYPE_UUID) {
+            return new UUID(this.buffer.slice(0, this.position));
+        }
+        throw new BSONError("Binary sub_type \"".concat(this.sub_type, "\" is not supported for converting to UUID. Only \"").concat(Binary.SUBTYPE_UUID, "\" is currently supported."));
+    };
+    /** @internal */
+    Binary.fromExtendedJSON = function (doc, options) {
+        options = options || {};
+        var data;
+        var type;
+        if ('$binary' in doc) {
+            if (options.legacy && typeof doc.$binary === 'string' && '$type' in doc) {
+                type = doc.$type ? parseInt(doc.$type, 16) : 0;
+                data = buffer_1.from(doc.$binary, 'base64');
+            }
+            else {
+                if (typeof doc.$binary !== 'string') {
+                    type = doc.$binary.subType ? parseInt(doc.$binary.subType, 16) : 0;
+                    data = buffer_1.from(doc.$binary.base64, 'base64');
+                }
+            }
+        }
+        else if ('$uuid' in doc) {
+            type = 4;
+            data = uuidHexStringToBuffer(doc.$uuid);
+        }
+        if (!data) {
+            throw new BSONTypeError("Unexpected Binary Extended JSON format ".concat(JSON.stringify(doc)));
+        }
+        return type === BSON_BINARY_SUBTYPE_UUID_NEW ? new UUID(data) : new Binary(data, type);
+    };
+    /** @internal */
+    Binary.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Binary.prototype.inspect = function () {
+        var asBuffer = this.value(true);
+        return "new Binary(Buffer.from(\"".concat(asBuffer.toString('hex'), "\", \"hex\"), ").concat(this.sub_type, ")");
+    };
+    /**
+     * Binary default subtype
+     * @internal
+     */
+    Binary.BSON_BINARY_SUBTYPE_DEFAULT = 0;
+    /** Initial buffer default size */
+    Binary.BUFFER_SIZE = 256;
+    /** Default BSON type */
+    Binary.SUBTYPE_DEFAULT = 0;
+    /** Function BSON type */
+    Binary.SUBTYPE_FUNCTION = 1;
+    /** Byte Array BSON type */
+    Binary.SUBTYPE_BYTE_ARRAY = 2;
+    /** Deprecated UUID BSON type @deprecated Please use SUBTYPE_UUID */
+    Binary.SUBTYPE_UUID_OLD = 3;
+    /** UUID BSON type */
+    Binary.SUBTYPE_UUID = 4;
+    /** MD5 BSON type */
+    Binary.SUBTYPE_MD5 = 5;
+    /** Encrypted BSON type */
+    Binary.SUBTYPE_ENCRYPTED = 6;
+    /** Column BSON type */
+    Binary.SUBTYPE_COLUMN = 7;
+    /** User BSON type */
+    Binary.SUBTYPE_USER_DEFINED = 128;
+    return Binary;
+}());
+Object.defineProperty(Binary.prototype, '_bsontype', { value: 'Binary' });
+var UUID_BYTE_LENGTH = 16;
+/**
+ * A class representation of the BSON UUID type.
+ * @public
+ */
+var UUID = /** @class */ (function (_super) {
+    __extends(UUID, _super);
+    /**
+     * Create an UUID type
+     *
+     * @param input - Can be a 32 or 36 character hex string (dashes excluded/included) or a 16 byte binary Buffer.
+     */
+    function UUID(input) {
+        var _this = this;
+        var bytes;
+        var hexStr;
+        if (input == null) {
+            bytes = UUID.generate();
+        }
+        else if (input instanceof UUID) {
+            bytes = buffer_1.from(input.buffer);
+            hexStr = input.__id;
+        }
+        else if (ArrayBuffer.isView(input) && input.byteLength === UUID_BYTE_LENGTH) {
+            bytes = ensureBuffer(input);
+        }
+        else if (typeof input === 'string') {
+            bytes = uuidHexStringToBuffer(input);
+        }
+        else {
+            throw new BSONTypeError('Argument passed in UUID constructor must be a UUID, a 16 byte Buffer or a 32/36 character hex string (dashes excluded/included, format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).');
+        }
+        _this = _super.call(this, bytes, BSON_BINARY_SUBTYPE_UUID_NEW) || this;
+        _this.__id = hexStr;
+        return _this;
+    }
+    Object.defineProperty(UUID.prototype, "id", {
+        /**
+         * The UUID bytes
+         * @readonly
+         */
+        get: function () {
+            return this.buffer;
+        },
+        set: function (value) {
+            this.buffer = value;
+            if (UUID.cacheHexString) {
+                this.__id = bufferToUuidHexString(value);
+            }
+        },
+        enumerable: false,
+        configurable: true
+    });
+    /**
+     * Returns the UUID id as a 32 or 36 character hex string representation, excluding/including dashes (defaults to 36 character dash separated)
+     * @param includeDashes - should the string exclude dash-separators.
+     * */
+    UUID.prototype.toHexString = function (includeDashes) {
+        if (includeDashes === void 0) { includeDashes = true; }
+        if (UUID.cacheHexString && this.__id) {
+            return this.__id;
+        }
+        var uuidHexString = bufferToUuidHexString(this.id, includeDashes);
+        if (UUID.cacheHexString) {
+            this.__id = uuidHexString;
+        }
+        return uuidHexString;
+    };
+    /**
+     * Converts the id into a 36 character (dashes included) hex string, unless a encoding is specified.
+     */
+    UUID.prototype.toString = function (encoding) {
+        return encoding ? this.id.toString(encoding) : this.toHexString();
+    };
+    /**
+     * Converts the id into its JSON string representation.
+     * A 36 character (dashes included) hex string in the format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+     */
+    UUID.prototype.toJSON = function () {
+        return this.toHexString();
+    };
+    /**
+     * Compares the equality of this UUID with `otherID`.
+     *
+     * @param otherId - UUID instance to compare against.
+     */
+    UUID.prototype.equals = function (otherId) {
+        if (!otherId) {
+            return false;
+        }
+        if (otherId instanceof UUID) {
+            return otherId.id.equals(this.id);
+        }
+        try {
+            return new UUID(otherId).id.equals(this.id);
+        }
+        catch (_a) {
+            return false;
+        }
+    };
+    /**
+     * Creates a Binary instance from the current UUID.
+     */
+    UUID.prototype.toBinary = function () {
+        return new Binary(this.id, Binary.SUBTYPE_UUID);
+    };
+    /**
+     * Generates a populated buffer containing a v4 uuid
+     */
+    UUID.generate = function () {
+        var bytes = randomBytes(UUID_BYTE_LENGTH);
+        // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
+        // Kindly borrowed from https://github.com/uuidjs/uuid/blob/master/src/v4.js
+        bytes[6] = (bytes[6] & 0x0f) | 0x40;
+        bytes[8] = (bytes[8] & 0x3f) | 0x80;
+        return buffer_1.from(bytes);
+    };
+    /**
+     * Checks if a value is a valid bson UUID
+     * @param input - UUID, string or Buffer to validate.
+     */
+    UUID.isValid = function (input) {
+        if (!input) {
+            return false;
+        }
+        if (input instanceof UUID) {
+            return true;
+        }
+        if (typeof input === 'string') {
+            return uuidValidateString(input);
+        }
+        if (isUint8Array(input)) {
+            // check for length & uuid version (https://tools.ietf.org/html/rfc4122#section-4.1.3)
+            if (input.length !== UUID_BYTE_LENGTH) {
+                return false;
+            }
+            return (input[6] & 0xf0) === 0x40 && (input[8] & 0x80) === 0x80;
+        }
+        return false;
+    };
+    /**
+     * Creates an UUID from a hex string representation of an UUID.
+     * @param hexString - 32 or 36 character hex string (dashes excluded/included).
+     */
+    UUID.createFromHexString = function (hexString) {
+        var buffer = uuidHexStringToBuffer(hexString);
+        return new UUID(buffer);
+    };
+    /**
+     * Converts to a string representation of this Id.
+     *
+     * @returns return the 36 character hex string representation.
+     * @internal
+     */
+    UUID.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    UUID.prototype.inspect = function () {
+        return "new UUID(\"".concat(this.toHexString(), "\")");
+    };
+    return UUID;
+}(Binary));
+
+/**
+ * A class representation of the BSON Code type.
+ * @public
+ * @category BSONType
+ */
+var Code = /** @class */ (function () {
+    /**
+     * @param code - a string or function.
+     * @param scope - an optional scope for the function.
+     */
+    function Code(code, scope) {
+        if (!(this instanceof Code))
+            return new Code(code, scope);
+        this.code = code;
+        this.scope = scope;
+    }
+    Code.prototype.toJSON = function () {
+        return { code: this.code, scope: this.scope };
+    };
+    /** @internal */
+    Code.prototype.toExtendedJSON = function () {
+        if (this.scope) {
+            return { $code: this.code, $scope: this.scope };
+        }
+        return { $code: this.code };
+    };
+    /** @internal */
+    Code.fromExtendedJSON = function (doc) {
+        return new Code(doc.$code, doc.$scope);
+    };
+    /** @internal */
+    Code.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Code.prototype.inspect = function () {
+        var codeJson = this.toJSON();
+        return "new Code(\"".concat(String(codeJson.code), "\"").concat(codeJson.scope ? ", ".concat(JSON.stringify(codeJson.scope)) : '', ")");
+    };
+    return Code;
+}());
+Object.defineProperty(Code.prototype, '_bsontype', { value: 'Code' });
+
+/** @internal */
+function isDBRefLike(value) {
+    return (isObjectLike(value) &&
+        value.$id != null &&
+        typeof value.$ref === 'string' &&
+        (value.$db == null || typeof value.$db === 'string'));
+}
+/**
+ * A class representation of the BSON DBRef type.
+ * @public
+ * @category BSONType
+ */
+var DBRef = /** @class */ (function () {
+    /**
+     * @param collection - the collection name.
+     * @param oid - the reference ObjectId.
+     * @param db - optional db name, if omitted the reference is local to the current db.
+     */
+    function DBRef(collection, oid, db, fields) {
+        if (!(this instanceof DBRef))
+            return new DBRef(collection, oid, db, fields);
+        // check if namespace has been provided
+        var parts = collection.split('.');
+        if (parts.length === 2) {
+            db = parts.shift();
+            // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+            collection = parts.shift();
+        }
+        this.collection = collection;
+        this.oid = oid;
+        this.db = db;
+        this.fields = fields || {};
+    }
+    Object.defineProperty(DBRef.prototype, "namespace", {
+        // Property provided for compatibility with the 1.x parser
+        // the 1.x parser used a "namespace" property, while 4.x uses "collection"
+        /** @internal */
+        get: function () {
+            return this.collection;
+        },
+        set: function (value) {
+            this.collection = value;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    DBRef.prototype.toJSON = function () {
+        var o = Object.assign({
+            $ref: this.collection,
+            $id: this.oid
+        }, this.fields);
+        if (this.db != null)
+            o.$db = this.db;
+        return o;
+    };
+    /** @internal */
+    DBRef.prototype.toExtendedJSON = function (options) {
+        options = options || {};
+        var o = {
+            $ref: this.collection,
+            $id: this.oid
+        };
+        if (options.legacy) {
+            return o;
+        }
+        if (this.db)
+            o.$db = this.db;
+        o = Object.assign(o, this.fields);
+        return o;
+    };
+    /** @internal */
+    DBRef.fromExtendedJSON = function (doc) {
+        var copy = Object.assign({}, doc);
+        delete copy.$ref;
+        delete copy.$id;
+        delete copy.$db;
+        return new DBRef(doc.$ref, doc.$id, doc.$db, copy);
+    };
+    /** @internal */
+    DBRef.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    DBRef.prototype.inspect = function () {
+        // NOTE: if OID is an ObjectId class it will just print the oid string.
+        var oid = this.oid === undefined || this.oid.toString === undefined ? this.oid : this.oid.toString();
+        return "new DBRef(\"".concat(this.namespace, "\", new ObjectId(\"").concat(String(oid), "\")").concat(this.db ? ", \"".concat(this.db, "\"") : '', ")");
+    };
+    return DBRef;
+}());
+Object.defineProperty(DBRef.prototype, '_bsontype', { value: 'DBRef' });
+
+/**
+ * wasm optimizations, to do native i64 multiplication and divide
+ */
+var wasm = undefined;
+try {
+    wasm = new WebAssembly.Instance(new WebAssembly.Module(
+    // prettier-ignore
+    new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0, 1, 13, 2, 96, 0, 1, 127, 96, 4, 127, 127, 127, 127, 1, 127, 3, 7, 6, 0, 1, 1, 1, 1, 1, 6, 6, 1, 127, 1, 65, 0, 11, 7, 50, 6, 3, 109, 117, 108, 0, 1, 5, 100, 105, 118, 95, 115, 0, 2, 5, 100, 105, 118, 95, 117, 0, 3, 5, 114, 101, 109, 95, 115, 0, 4, 5, 114, 101, 109, 95, 117, 0, 5, 8, 103, 101, 116, 95, 104, 105, 103, 104, 0, 0, 10, 191, 1, 6, 4, 0, 35, 0, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 126, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 127, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 128, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 129, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 130, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11])), {}).exports;
+}
+catch (_a) {
+    // no wasm support
+}
+var TWO_PWR_16_DBL = 1 << 16;
+var TWO_PWR_24_DBL = 1 << 24;
+var TWO_PWR_32_DBL = TWO_PWR_16_DBL * TWO_PWR_16_DBL;
+var TWO_PWR_64_DBL = TWO_PWR_32_DBL * TWO_PWR_32_DBL;
+var TWO_PWR_63_DBL = TWO_PWR_64_DBL / 2;
+/** A cache of the Long representations of small integer values. */
+var INT_CACHE = {};
+/** A cache of the Long representations of small unsigned integer values. */
+var UINT_CACHE = {};
+/**
+ * A class representing a 64-bit integer
+ * @public
+ * @category BSONType
+ * @remarks
+ * The internal representation of a long is the two given signed, 32-bit values.
+ * We use 32-bit pieces because these are the size of integers on which
+ * Javascript performs bit-operations.  For operations like addition and
+ * multiplication, we split each number into 16 bit pieces, which can easily be
+ * multiplied within Javascript's floating-point representation without overflow
+ * or change in sign.
+ * In the algorithms below, we frequently reduce the negative case to the
+ * positive case by negating the input(s) and then post-processing the result.
+ * Note that we must ALWAYS check specially whether those values are MIN_VALUE
+ * (-2^63) because -MIN_VALUE == MIN_VALUE (since 2^63 cannot be represented as
+ * a positive number, it overflows back into a negative).  Not handling this
+ * case would often result in infinite recursion.
+ * Common constant values ZERO, ONE, NEG_ONE, etc. are found as static properties on this class.
+ */
+var Long = /** @class */ (function () {
+    /**
+     * Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as *signed* integers.
+     *  See the from* functions below for more convenient ways of constructing Longs.
+     *
+     * Acceptable signatures are:
+     * - Long(low, high, unsigned?)
+     * - Long(bigint, unsigned?)
+     * - Long(string, unsigned?)
+     *
+     * @param low - The low (signed) 32 bits of the long
+     * @param high - The high (signed) 32 bits of the long
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     */
+    function Long(low, high, unsigned) {
+        if (low === void 0) { low = 0; }
+        if (!(this instanceof Long))
+            return new Long(low, high, unsigned);
+        if (typeof low === 'bigint') {
+            Object.assign(this, Long.fromBigInt(low, !!high));
+        }
+        else if (typeof low === 'string') {
+            Object.assign(this, Long.fromString(low, !!high));
+        }
+        else {
+            this.low = low | 0;
+            this.high = high | 0;
+            this.unsigned = !!unsigned;
+        }
+        Object.defineProperty(this, '__isLong__', {
+            value: true,
+            configurable: false,
+            writable: false,
+            enumerable: false
+        });
+    }
+    /**
+     * Returns a Long representing the 64 bit integer that comes by concatenating the given low and high bits.
+     * Each is assumed to use 32 bits.
+     * @param lowBits - The low 32 bits
+     * @param highBits - The high 32 bits
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromBits = function (lowBits, highBits, unsigned) {
+        return new Long(lowBits, highBits, unsigned);
+    };
+    /**
+     * Returns a Long representing the given 32 bit integer value.
+     * @param value - The 32 bit integer in question
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromInt = function (value, unsigned) {
+        var obj, cachedObj, cache;
+        if (unsigned) {
+            value >>>= 0;
+            if ((cache = 0 <= value && value < 256)) {
+                cachedObj = UINT_CACHE[value];
+                if (cachedObj)
+                    return cachedObj;
+            }
+            obj = Long.fromBits(value, (value | 0) < 0 ? -1 : 0, true);
+            if (cache)
+                UINT_CACHE[value] = obj;
+            return obj;
+        }
+        else {
+            value |= 0;
+            if ((cache = -128 <= value && value < 128)) {
+                cachedObj = INT_CACHE[value];
+                if (cachedObj)
+                    return cachedObj;
+            }
+            obj = Long.fromBits(value, value < 0 ? -1 : 0, false);
+            if (cache)
+                INT_CACHE[value] = obj;
+            return obj;
+        }
+    };
+    /**
+     * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+     * @param value - The number in question
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromNumber = function (value, unsigned) {
+        if (isNaN(value))
+            return unsigned ? Long.UZERO : Long.ZERO;
+        if (unsigned) {
+            if (value < 0)
+                return Long.UZERO;
+            if (value >= TWO_PWR_64_DBL)
+                return Long.MAX_UNSIGNED_VALUE;
+        }
+        else {
+            if (value <= -TWO_PWR_63_DBL)
+                return Long.MIN_VALUE;
+            if (value + 1 >= TWO_PWR_63_DBL)
+                return Long.MAX_VALUE;
+        }
+        if (value < 0)
+            return Long.fromNumber(-value, unsigned).neg();
+        return Long.fromBits(value % TWO_PWR_32_DBL | 0, (value / TWO_PWR_32_DBL) | 0, unsigned);
+    };
+    /**
+     * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+     * @param value - The number in question
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromBigInt = function (value, unsigned) {
+        return Long.fromString(value.toString(), unsigned);
+    };
+    /**
+     * Returns a Long representation of the given string, written using the specified radix.
+     * @param str - The textual representation of the Long
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @param radix - The radix in which the text is written (2-36), defaults to 10
+     * @returns The corresponding Long value
+     */
+    Long.fromString = function (str, unsigned, radix) {
+        if (str.length === 0)
+            throw Error('empty string');
+        if (str === 'NaN' || str === 'Infinity' || str === '+Infinity' || str === '-Infinity')
+            return Long.ZERO;
+        if (typeof unsigned === 'number') {
+            // For goog.math.long compatibility
+            (radix = unsigned), (unsigned = false);
+        }
+        else {
+            unsigned = !!unsigned;
+        }
+        radix = radix || 10;
+        if (radix < 2 || 36 < radix)
+            throw RangeError('radix');
+        var p;
+        if ((p = str.indexOf('-')) > 0)
+            throw Error('interior hyphen');
+        else if (p === 0) {
+            return Long.fromString(str.substring(1), unsigned, radix).neg();
+        }
+        // Do several (8) digits each time through the loop, so as to
+        // minimize the calls to the very expensive emulated div.
+        var radixToPower = Long.fromNumber(Math.pow(radix, 8));
+        var result = Long.ZERO;
+        for (var i = 0; i < str.length; i += 8) {
+            var size = Math.min(8, str.length - i), value = parseInt(str.substring(i, i + size), radix);
+            if (size < 8) {
+                var power = Long.fromNumber(Math.pow(radix, size));
+                result = result.mul(power).add(Long.fromNumber(value));
+            }
+            else {
+                result = result.mul(radixToPower);
+                result = result.add(Long.fromNumber(value));
+            }
+        }
+        result.unsigned = unsigned;
+        return result;
+    };
+    /**
+     * Creates a Long from its byte representation.
+     * @param bytes - Byte representation
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @param le - Whether little or big endian, defaults to big endian
+     * @returns The corresponding Long value
+     */
+    Long.fromBytes = function (bytes, unsigned, le) {
+        return le ? Long.fromBytesLE(bytes, unsigned) : Long.fromBytesBE(bytes, unsigned);
+    };
+    /**
+     * Creates a Long from its little endian byte representation.
+     * @param bytes - Little endian byte representation
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromBytesLE = function (bytes, unsigned) {
+        return new Long(bytes[0] | (bytes[1] << 8) | (bytes[2] << 16) | (bytes[3] << 24), bytes[4] | (bytes[5] << 8) | (bytes[6] << 16) | (bytes[7] << 24), unsigned);
+    };
+    /**
+     * Creates a Long from its big endian byte representation.
+     * @param bytes - Big endian byte representation
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromBytesBE = function (bytes, unsigned) {
+        return new Long((bytes[4] << 24) | (bytes[5] << 16) | (bytes[6] << 8) | bytes[7], (bytes[0] << 24) | (bytes[1] << 16) | (bytes[2] << 8) | bytes[3], unsigned);
+    };
+    /**
+     * Tests if the specified object is a Long.
+     */
+    Long.isLong = function (value) {
+        return isObjectLike(value) && value['__isLong__'] === true;
+    };
+    /**
+     * Converts the specified value to a Long.
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     */
+    Long.fromValue = function (val, unsigned) {
+        if (typeof val === 'number')
+            return Long.fromNumber(val, unsigned);
+        if (typeof val === 'string')
+            return Long.fromString(val, unsigned);
+        // Throws for non-objects, converts non-instanceof Long:
+        return Long.fromBits(val.low, val.high, typeof unsigned === 'boolean' ? unsigned : val.unsigned);
+    };
+    /** Returns the sum of this and the specified Long. */
+    Long.prototype.add = function (addend) {
+        if (!Long.isLong(addend))
+            addend = Long.fromValue(addend);
+        // Divide each number into 4 chunks of 16 bits, and then sum the chunks.
+        var a48 = this.high >>> 16;
+        var a32 = this.high & 0xffff;
+        var a16 = this.low >>> 16;
+        var a00 = this.low & 0xffff;
+        var b48 = addend.high >>> 16;
+        var b32 = addend.high & 0xffff;
+        var b16 = addend.low >>> 16;
+        var b00 = addend.low & 0xffff;
+        var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
+        c00 += a00 + b00;
+        c16 += c00 >>> 16;
+        c00 &= 0xffff;
+        c16 += a16 + b16;
+        c32 += c16 >>> 16;
+        c16 &= 0xffff;
+        c32 += a32 + b32;
+        c48 += c32 >>> 16;
+        c32 &= 0xffff;
+        c48 += a48 + b48;
+        c48 &= 0xffff;
+        return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+    };
+    /**
+     * Returns the sum of this and the specified Long.
+     * @returns Sum
+     */
+    Long.prototype.and = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        return Long.fromBits(this.low & other.low, this.high & other.high, this.unsigned);
+    };
+    /**
+     * Compares this Long's value with the specified's.
+     * @returns 0 if they are the same, 1 if the this is greater and -1 if the given one is greater
+     */
+    Long.prototype.compare = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        if (this.eq(other))
+            return 0;
+        var thisNeg = this.isNegative(), otherNeg = other.isNegative();
+        if (thisNeg && !otherNeg)
+            return -1;
+        if (!thisNeg && otherNeg)
+            return 1;
+        // At this point the sign bits are the same
+        if (!this.unsigned)
+            return this.sub(other).isNegative() ? -1 : 1;
+        // Both are positive if at least one is unsigned
+        return other.high >>> 0 > this.high >>> 0 ||
+            (other.high === this.high && other.low >>> 0 > this.low >>> 0)
+            ? -1
+            : 1;
+    };
+    /** This is an alias of {@link Long.compare} */
+    Long.prototype.comp = function (other) {
+        return this.compare(other);
+    };
+    /**
+     * Returns this Long divided by the specified. The result is signed if this Long is signed or unsigned if this Long is unsigned.
+     * @returns Quotient
+     */
+    Long.prototype.divide = function (divisor) {
+        if (!Long.isLong(divisor))
+            divisor = Long.fromValue(divisor);
+        if (divisor.isZero())
+            throw Error('division by zero');
+        // use wasm support if present
+        if (wasm) {
+            // guard against signed division overflow: the largest
+            // negative number / -1 would be 1 larger than the largest
+            // positive number, due to two's complement.
+            if (!this.unsigned &&
+                this.high === -0x80000000 &&
+                divisor.low === -1 &&
+                divisor.high === -1) {
+                // be consistent with non-wasm code path
+                return this;
+            }
+            var low = (this.unsigned ? wasm.div_u : wasm.div_s)(this.low, this.high, divisor.low, divisor.high);
+            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+        }
+        if (this.isZero())
+            return this.unsigned ? Long.UZERO : Long.ZERO;
+        var approx, rem, res;
+        if (!this.unsigned) {
+            // This section is only relevant for signed longs and is derived from the
+            // closure library as a whole.
+            if (this.eq(Long.MIN_VALUE)) {
+                if (divisor.eq(Long.ONE) || divisor.eq(Long.NEG_ONE))
+                    return Long.MIN_VALUE;
+                // recall that -MIN_VALUE == MIN_VALUE
+                else if (divisor.eq(Long.MIN_VALUE))
+                    return Long.ONE;
+                else {
+                    // At this point, we have |other| >= 2, so |this/other| < |MIN_VALUE|.
+                    var halfThis = this.shr(1);
+                    approx = halfThis.div(divisor).shl(1);
+                    if (approx.eq(Long.ZERO)) {
+                        return divisor.isNegative() ? Long.ONE : Long.NEG_ONE;
+                    }
+                    else {
+                        rem = this.sub(divisor.mul(approx));
+                        res = approx.add(rem.div(divisor));
+                        return res;
+                    }
+                }
+            }
+            else if (divisor.eq(Long.MIN_VALUE))
+                return this.unsigned ? Long.UZERO : Long.ZERO;
+            if (this.isNegative()) {
+                if (divisor.isNegative())
+                    return this.neg().div(divisor.neg());
+                return this.neg().div(divisor).neg();
+            }
+            else if (divisor.isNegative())
+                return this.div(divisor.neg()).neg();
+            res = Long.ZERO;
+        }
+        else {
+            // The algorithm below has not been made for unsigned longs. It's therefore
+            // required to take special care of the MSB prior to running it.
+            if (!divisor.unsigned)
+                divisor = divisor.toUnsigned();
+            if (divisor.gt(this))
+                return Long.UZERO;
+            if (divisor.gt(this.shru(1)))
+                // 15 >>> 1 = 7 ; with divisor = 8 ; true
+                return Long.UONE;
+            res = Long.UZERO;
+        }
+        // Repeat the following until the remainder is less than other:  find a
+        // floating-point that approximates remainder / other *from below*, add this
+        // into the result, and subtract it from the remainder.  It is critical that
+        // the approximate value is less than or equal to the real value so that the
+        // remainder never becomes negative.
+        // eslint-disable-next-line @typescript-eslint/no-this-alias
+        rem = this;
+        while (rem.gte(divisor)) {
+            // Approximate the result of division. This may be a little greater or
+            // smaller than the actual value.
+            approx = Math.max(1, Math.floor(rem.toNumber() / divisor.toNumber()));
+            // We will tweak the approximate result by changing it in the 48-th digit or
+            // the smallest non-fractional digit, whichever is larger.
+            var log2 = Math.ceil(Math.log(approx) / Math.LN2);
+            var delta = log2 <= 48 ? 1 : Math.pow(2, log2 - 48);
+            // Decrease the approximation until it is smaller than the remainder.  Note
+            // that if it is too large, the product overflows and is negative.
+            var approxRes = Long.fromNumber(approx);
+            var approxRem = approxRes.mul(divisor);
+            while (approxRem.isNegative() || approxRem.gt(rem)) {
+                approx -= delta;
+                approxRes = Long.fromNumber(approx, this.unsigned);
+                approxRem = approxRes.mul(divisor);
+            }
+            // We know the answer can't be zero... and actually, zero would cause
+            // infinite recursion since we would make no progress.
+            if (approxRes.isZero())
+                approxRes = Long.ONE;
+            res = res.add(approxRes);
+            rem = rem.sub(approxRem);
+        }
+        return res;
+    };
+    /**This is an alias of {@link Long.divide} */
+    Long.prototype.div = function (divisor) {
+        return this.divide(divisor);
+    };
+    /**
+     * Tests if this Long's value equals the specified's.
+     * @param other - Other value
+     */
+    Long.prototype.equals = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        if (this.unsigned !== other.unsigned && this.high >>> 31 === 1 && other.high >>> 31 === 1)
+            return false;
+        return this.high === other.high && this.low === other.low;
+    };
+    /** This is an alias of {@link Long.equals} */
+    Long.prototype.eq = function (other) {
+        return this.equals(other);
+    };
+    /** Gets the high 32 bits as a signed integer. */
+    Long.prototype.getHighBits = function () {
+        return this.high;
+    };
+    /** Gets the high 32 bits as an unsigned integer. */
+    Long.prototype.getHighBitsUnsigned = function () {
+        return this.high >>> 0;
+    };
+    /** Gets the low 32 bits as a signed integer. */
+    Long.prototype.getLowBits = function () {
+        return this.low;
+    };
+    /** Gets the low 32 bits as an unsigned integer. */
+    Long.prototype.getLowBitsUnsigned = function () {
+        return this.low >>> 0;
+    };
+    /** Gets the number of bits needed to represent the absolute value of this Long. */
+    Long.prototype.getNumBitsAbs = function () {
+        if (this.isNegative()) {
+            // Unsigned Longs are never negative
+            return this.eq(Long.MIN_VALUE) ? 64 : this.neg().getNumBitsAbs();
+        }
+        var val = this.high !== 0 ? this.high : this.low;
+        var bit;
+        for (bit = 31; bit > 0; bit--)
+            if ((val & (1 << bit)) !== 0)
+                break;
+        return this.high !== 0 ? bit + 33 : bit + 1;
+    };
+    /** Tests if this Long's value is greater than the specified's. */
+    Long.prototype.greaterThan = function (other) {
+        return this.comp(other) > 0;
+    };
+    /** This is an alias of {@link Long.greaterThan} */
+    Long.prototype.gt = function (other) {
+        return this.greaterThan(other);
+    };
+    /** Tests if this Long's value is greater than or equal the specified's. */
+    Long.prototype.greaterThanOrEqual = function (other) {
+        return this.comp(other) >= 0;
+    };
+    /** This is an alias of {@link Long.greaterThanOrEqual} */
+    Long.prototype.gte = function (other) {
+        return this.greaterThanOrEqual(other);
+    };
+    /** This is an alias of {@link Long.greaterThanOrEqual} */
+    Long.prototype.ge = function (other) {
+        return this.greaterThanOrEqual(other);
+    };
+    /** Tests if this Long's value is even. */
+    Long.prototype.isEven = function () {
+        return (this.low & 1) === 0;
+    };
+    /** Tests if this Long's value is negative. */
+    Long.prototype.isNegative = function () {
+        return !this.unsigned && this.high < 0;
+    };
+    /** Tests if this Long's value is odd. */
+    Long.prototype.isOdd = function () {
+        return (this.low & 1) === 1;
+    };
+    /** Tests if this Long's value is positive. */
+    Long.prototype.isPositive = function () {
+        return this.unsigned || this.high >= 0;
+    };
+    /** Tests if this Long's value equals zero. */
+    Long.prototype.isZero = function () {
+        return this.high === 0 && this.low === 0;
+    };
+    /** Tests if this Long's value is less than the specified's. */
+    Long.prototype.lessThan = function (other) {
+        return this.comp(other) < 0;
+    };
+    /** This is an alias of {@link Long#lessThan}. */
+    Long.prototype.lt = function (other) {
+        return this.lessThan(other);
+    };
+    /** Tests if this Long's value is less than or equal the specified's. */
+    Long.prototype.lessThanOrEqual = function (other) {
+        return this.comp(other) <= 0;
+    };
+    /** This is an alias of {@link Long.lessThanOrEqual} */
+    Long.prototype.lte = function (other) {
+        return this.lessThanOrEqual(other);
+    };
+    /** Returns this Long modulo the specified. */
+    Long.prototype.modulo = function (divisor) {
+        if (!Long.isLong(divisor))
+            divisor = Long.fromValue(divisor);
+        // use wasm support if present
+        if (wasm) {
+            var low = (this.unsigned ? wasm.rem_u : wasm.rem_s)(this.low, this.high, divisor.low, divisor.high);
+            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+        }
+        return this.sub(this.div(divisor).mul(divisor));
+    };
+    /** This is an alias of {@link Long.modulo} */
+    Long.prototype.mod = function (divisor) {
+        return this.modulo(divisor);
+    };
+    /** This is an alias of {@link Long.modulo} */
+    Long.prototype.rem = function (divisor) {
+        return this.modulo(divisor);
+    };
+    /**
+     * Returns the product of this and the specified Long.
+     * @param multiplier - Multiplier
+     * @returns Product
+     */
+    Long.prototype.multiply = function (multiplier) {
+        if (this.isZero())
+            return Long.ZERO;
+        if (!Long.isLong(multiplier))
+            multiplier = Long.fromValue(multiplier);
+        // use wasm support if present
+        if (wasm) {
+            var low = wasm.mul(this.low, this.high, multiplier.low, multiplier.high);
+            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+        }
+        if (multiplier.isZero())
+            return Long.ZERO;
+        if (this.eq(Long.MIN_VALUE))
+            return multiplier.isOdd() ? Long.MIN_VALUE : Long.ZERO;
+        if (multiplier.eq(Long.MIN_VALUE))
+            return this.isOdd() ? Long.MIN_VALUE : Long.ZERO;
+        if (this.isNegative()) {
+            if (multiplier.isNegative())
+                return this.neg().mul(multiplier.neg());
+            else
+                return this.neg().mul(multiplier).neg();
+        }
+        else if (multiplier.isNegative())
+            return this.mul(multiplier.neg()).neg();
+        // If both longs are small, use float multiplication
+        if (this.lt(Long.TWO_PWR_24) && multiplier.lt(Long.TWO_PWR_24))
+            return Long.fromNumber(this.toNumber() * multiplier.toNumber(), this.unsigned);
+        // Divide each long into 4 chunks of 16 bits, and then add up 4x4 products.
+        // We can skip products that would overflow.
+        var a48 = this.high >>> 16;
+        var a32 = this.high & 0xffff;
+        var a16 = this.low >>> 16;
+        var a00 = this.low & 0xffff;
+        var b48 = multiplier.high >>> 16;
+        var b32 = multiplier.high & 0xffff;
+        var b16 = multiplier.low >>> 16;
+        var b00 = multiplier.low & 0xffff;
+        var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
+        c00 += a00 * b00;
+        c16 += c00 >>> 16;
+        c00 &= 0xffff;
+        c16 += a16 * b00;
+        c32 += c16 >>> 16;
+        c16 &= 0xffff;
+        c16 += a00 * b16;
+        c32 += c16 >>> 16;
+        c16 &= 0xffff;
+        c32 += a32 * b00;
+        c48 += c32 >>> 16;
+        c32 &= 0xffff;
+        c32 += a16 * b16;
+        c48 += c32 >>> 16;
+        c32 &= 0xffff;
+        c32 += a00 * b32;
+        c48 += c32 >>> 16;
+        c32 &= 0xffff;
+        c48 += a48 * b00 + a32 * b16 + a16 * b32 + a00 * b48;
+        c48 &= 0xffff;
+        return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+    };
+    /** This is an alias of {@link Long.multiply} */
+    Long.prototype.mul = function (multiplier) {
+        return this.multiply(multiplier);
+    };
+    /** Returns the Negation of this Long's value. */
+    Long.prototype.negate = function () {
+        if (!this.unsigned && this.eq(Long.MIN_VALUE))
+            return Long.MIN_VALUE;
+        return this.not().add(Long.ONE);
+    };
+    /** This is an alias of {@link Long.negate} */
+    Long.prototype.neg = function () {
+        return this.negate();
+    };
+    /** Returns the bitwise NOT of this Long. */
+    Long.prototype.not = function () {
+        return Long.fromBits(~this.low, ~this.high, this.unsigned);
+    };
+    /** Tests if this Long's value differs from the specified's. */
+    Long.prototype.notEquals = function (other) {
+        return !this.equals(other);
+    };
+    /** This is an alias of {@link Long.notEquals} */
+    Long.prototype.neq = function (other) {
+        return this.notEquals(other);
+    };
+    /** This is an alias of {@link Long.notEquals} */
+    Long.prototype.ne = function (other) {
+        return this.notEquals(other);
+    };
+    /**
+     * Returns the bitwise OR of this Long and the specified.
+     */
+    Long.prototype.or = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        return Long.fromBits(this.low | other.low, this.high | other.high, this.unsigned);
+    };
+    /**
+     * Returns this Long with bits shifted to the left by the given amount.
+     * @param numBits - Number of bits
+     * @returns Shifted Long
+     */
+    Long.prototype.shiftLeft = function (numBits) {
+        if (Long.isLong(numBits))
+            numBits = numBits.toInt();
+        if ((numBits &= 63) === 0)
+            return this;
+        else if (numBits < 32)
+            return Long.fromBits(this.low << numBits, (this.high << numBits) | (this.low >>> (32 - numBits)), this.unsigned);
+        else
+            return Long.fromBits(0, this.low << (numBits - 32), this.unsigned);
+    };
+    /** This is an alias of {@link Long.shiftLeft} */
+    Long.prototype.shl = function (numBits) {
+        return this.shiftLeft(numBits);
+    };
+    /**
+     * Returns this Long with bits arithmetically shifted to the right by the given amount.
+     * @param numBits - Number of bits
+     * @returns Shifted Long
+     */
+    Long.prototype.shiftRight = function (numBits) {
+        if (Long.isLong(numBits))
+            numBits = numBits.toInt();
+        if ((numBits &= 63) === 0)
+            return this;
+        else if (numBits < 32)
+            return Long.fromBits((this.low >>> numBits) | (this.high << (32 - numBits)), this.high >> numBits, this.unsigned);
+        else
+            return Long.fromBits(this.high >> (numBits - 32), this.high >= 0 ? 0 : -1, this.unsigned);
+    };
+    /** This is an alias of {@link Long.shiftRight} */
+    Long.prototype.shr = function (numBits) {
+        return this.shiftRight(numBits);
+    };
+    /**
+     * Returns this Long with bits logically shifted to the right by the given amount.
+     * @param numBits - Number of bits
+     * @returns Shifted Long
+     */
+    Long.prototype.shiftRightUnsigned = function (numBits) {
+        if (Long.isLong(numBits))
+            numBits = numBits.toInt();
+        numBits &= 63;
+        if (numBits === 0)
+            return this;
+        else {
+            var high = this.high;
+            if (numBits < 32) {
+                var low = this.low;
+                return Long.fromBits((low >>> numBits) | (high << (32 - numBits)), high >>> numBits, this.unsigned);
+            }
+            else if (numBits === 32)
+                return Long.fromBits(high, 0, this.unsigned);
+            else
+                return Long.fromBits(high >>> (numBits - 32), 0, this.unsigned);
+        }
+    };
+    /** This is an alias of {@link Long.shiftRightUnsigned} */
+    Long.prototype.shr_u = function (numBits) {
+        return this.shiftRightUnsigned(numBits);
+    };
+    /** This is an alias of {@link Long.shiftRightUnsigned} */
+    Long.prototype.shru = function (numBits) {
+        return this.shiftRightUnsigned(numBits);
+    };
+    /**
+     * Returns the difference of this and the specified Long.
+     * @param subtrahend - Subtrahend
+     * @returns Difference
+     */
+    Long.prototype.subtract = function (subtrahend) {
+        if (!Long.isLong(subtrahend))
+            subtrahend = Long.fromValue(subtrahend);
+        return this.add(subtrahend.neg());
+    };
+    /** This is an alias of {@link Long.subtract} */
+    Long.prototype.sub = function (subtrahend) {
+        return this.subtract(subtrahend);
+    };
+    /** Converts the Long to a 32 bit integer, assuming it is a 32 bit integer. */
+    Long.prototype.toInt = function () {
+        return this.unsigned ? this.low >>> 0 : this.low;
+    };
+    /** Converts the Long to a the nearest floating-point representation of this value (double, 53 bit mantissa). */
+    Long.prototype.toNumber = function () {
+        if (this.unsigned)
+            return (this.high >>> 0) * TWO_PWR_32_DBL + (this.low >>> 0);
+        return this.high * TWO_PWR_32_DBL + (this.low >>> 0);
+    };
+    /** Converts the Long to a BigInt (arbitrary precision). */
+    Long.prototype.toBigInt = function () {
+        return BigInt(this.toString());
+    };
+    /**
+     * Converts this Long to its byte representation.
+     * @param le - Whether little or big endian, defaults to big endian
+     * @returns Byte representation
+     */
+    Long.prototype.toBytes = function (le) {
+        return le ? this.toBytesLE() : this.toBytesBE();
+    };
+    /**
+     * Converts this Long to its little endian byte representation.
+     * @returns Little endian byte representation
+     */
+    Long.prototype.toBytesLE = function () {
+        var hi = this.high, lo = this.low;
+        return [
+            lo & 0xff,
+            (lo >>> 8) & 0xff,
+            (lo >>> 16) & 0xff,
+            lo >>> 24,
+            hi & 0xff,
+            (hi >>> 8) & 0xff,
+            (hi >>> 16) & 0xff,
+            hi >>> 24
+        ];
+    };
+    /**
+     * Converts this Long to its big endian byte representation.
+     * @returns Big endian byte representation
+     */
+    Long.prototype.toBytesBE = function () {
+        var hi = this.high, lo = this.low;
+        return [
+            hi >>> 24,
+            (hi >>> 16) & 0xff,
+            (hi >>> 8) & 0xff,
+            hi & 0xff,
+            lo >>> 24,
+            (lo >>> 16) & 0xff,
+            (lo >>> 8) & 0xff,
+            lo & 0xff
+        ];
+    };
+    /**
+     * Converts this Long to signed.
+     */
+    Long.prototype.toSigned = function () {
+        if (!this.unsigned)
+            return this;
+        return Long.fromBits(this.low, this.high, false);
+    };
+    /**
+     * Converts the Long to a string written in the specified radix.
+     * @param radix - Radix (2-36), defaults to 10
+     * @throws RangeError If `radix` is out of range
+     */
+    Long.prototype.toString = function (radix) {
+        radix = radix || 10;
+        if (radix < 2 || 36 < radix)
+            throw RangeError('radix');
+        if (this.isZero())
+            return '0';
+        if (this.isNegative()) {
+            // Unsigned Longs are never negative
+            if (this.eq(Long.MIN_VALUE)) {
+                // We need to change the Long value before it can be negated, so we remove
+                // the bottom-most digit in this base and then recurse to do the rest.
+                var radixLong = Long.fromNumber(radix), div = this.div(radixLong), rem1 = div.mul(radixLong).sub(this);
+                return div.toString(radix) + rem1.toInt().toString(radix);
+            }
+            else
+                return '-' + this.neg().toString(radix);
+        }
+        // Do several (6) digits each time through the loop, so as to
+        // minimize the calls to the very expensive emulated div.
+        var radixToPower = Long.fromNumber(Math.pow(radix, 6), this.unsigned);
+        // eslint-disable-next-line @typescript-eslint/no-this-alias
+        var rem = this;
+        var result = '';
+        // eslint-disable-next-line no-constant-condition
+        while (true) {
+            var remDiv = rem.div(radixToPower);
+            var intval = rem.sub(remDiv.mul(radixToPower)).toInt() >>> 0;
+            var digits = intval.toString(radix);
+            rem = remDiv;
+            if (rem.isZero()) {
+                return digits + result;
+            }
+            else {
+                while (digits.length < 6)
+                    digits = '0' + digits;
+                result = '' + digits + result;
+            }
+        }
+    };
+    /** Converts this Long to unsigned. */
+    Long.prototype.toUnsigned = function () {
+        if (this.unsigned)
+            return this;
+        return Long.fromBits(this.low, this.high, true);
+    };
+    /** Returns the bitwise XOR of this Long and the given one. */
+    Long.prototype.xor = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        return Long.fromBits(this.low ^ other.low, this.high ^ other.high, this.unsigned);
+    };
+    /** This is an alias of {@link Long.isZero} */
+    Long.prototype.eqz = function () {
+        return this.isZero();
+    };
+    /** This is an alias of {@link Long.lessThanOrEqual} */
+    Long.prototype.le = function (other) {
+        return this.lessThanOrEqual(other);
+    };
+    /*
+     ****************************************************************
+     *                  BSON SPECIFIC ADDITIONS                     *
+     ****************************************************************
+     */
+    Long.prototype.toExtendedJSON = function (options) {
+        if (options && options.relaxed)
+            return this.toNumber();
+        return { $numberLong: this.toString() };
+    };
+    Long.fromExtendedJSON = function (doc, options) {
+        var result = Long.fromString(doc.$numberLong);
+        return options && options.relaxed ? result.toNumber() : result;
+    };
+    /** @internal */
+    Long.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Long.prototype.inspect = function () {
+        return "new Long(\"".concat(this.toString(), "\"").concat(this.unsigned ? ', true' : '', ")");
+    };
+    Long.TWO_PWR_24 = Long.fromInt(TWO_PWR_24_DBL);
+    /** Maximum unsigned value. */
+    Long.MAX_UNSIGNED_VALUE = Long.fromBits(0xffffffff | 0, 0xffffffff | 0, true);
+    /** Signed zero */
+    Long.ZERO = Long.fromInt(0);
+    /** Unsigned zero. */
+    Long.UZERO = Long.fromInt(0, true);
+    /** Signed one. */
+    Long.ONE = Long.fromInt(1);
+    /** Unsigned one. */
+    Long.UONE = Long.fromInt(1, true);
+    /** Signed negative one. */
+    Long.NEG_ONE = Long.fromInt(-1);
+    /** Maximum signed value. */
+    Long.MAX_VALUE = Long.fromBits(0xffffffff | 0, 0x7fffffff | 0, false);
+    /** Minimum signed value. */
+    Long.MIN_VALUE = Long.fromBits(0, 0x80000000 | 0, false);
+    return Long;
+}());
+Object.defineProperty(Long.prototype, '__isLong__', { value: true });
+Object.defineProperty(Long.prototype, '_bsontype', { value: 'Long' });
+
+var PARSE_STRING_REGEXP = /^(\+|-)?(\d+|(\d*\.\d*))?(E|e)?([-+])?(\d+)?$/;
+var PARSE_INF_REGEXP = /^(\+|-)?(Infinity|inf)$/i;
+var PARSE_NAN_REGEXP = /^(\+|-)?NaN$/i;
+var EXPONENT_MAX = 6111;
+var EXPONENT_MIN = -6176;
+var EXPONENT_BIAS = 6176;
+var MAX_DIGITS = 34;
+// Nan value bits as 32 bit values (due to lack of longs)
+var NAN_BUFFER = [
+    0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+].reverse();
+// Infinity value bits 32 bit values (due to lack of longs)
+var INF_NEGATIVE_BUFFER = [
+    0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+].reverse();
+var INF_POSITIVE_BUFFER = [
+    0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+].reverse();
+var EXPONENT_REGEX = /^([-+])?(\d+)?$/;
+// Extract least significant 5 bits
+var COMBINATION_MASK = 0x1f;
+// Extract least significant 14 bits
+var EXPONENT_MASK = 0x3fff;
+// Value of combination field for Inf
+var COMBINATION_INFINITY = 30;
+// Value of combination field for NaN
+var COMBINATION_NAN = 31;
+// Detect if the value is a digit
+function isDigit(value) {
+    return !isNaN(parseInt(value, 10));
+}
+// Divide two uint128 values
+function divideu128(value) {
+    var DIVISOR = Long.fromNumber(1000 * 1000 * 1000);
+    var _rem = Long.fromNumber(0);
+    if (!value.parts[0] && !value.parts[1] && !value.parts[2] && !value.parts[3]) {
+        return { quotient: value, rem: _rem };
+    }
+    for (var i = 0; i <= 3; i++) {
+        // Adjust remainder to match value of next dividend
+        _rem = _rem.shiftLeft(32);
+        // Add the divided to _rem
+        _rem = _rem.add(new Long(value.parts[i], 0));
+        value.parts[i] = _rem.div(DIVISOR).low;
+        _rem = _rem.modulo(DIVISOR);
+    }
+    return { quotient: value, rem: _rem };
+}
+// Multiply two Long values and return the 128 bit value
+function multiply64x2(left, right) {
+    if (!left && !right) {
+        return { high: Long.fromNumber(0), low: Long.fromNumber(0) };
+    }
+    var leftHigh = left.shiftRightUnsigned(32);
+    var leftLow = new Long(left.getLowBits(), 0);
+    var rightHigh = right.shiftRightUnsigned(32);
+    var rightLow = new Long(right.getLowBits(), 0);
+    var productHigh = leftHigh.multiply(rightHigh);
+    var productMid = leftHigh.multiply(rightLow);
+    var productMid2 = leftLow.multiply(rightHigh);
+    var productLow = leftLow.multiply(rightLow);
+    productHigh = productHigh.add(productMid.shiftRightUnsigned(32));
+    productMid = new Long(productMid.getLowBits(), 0)
+        .add(productMid2)
+        .add(productLow.shiftRightUnsigned(32));
+    productHigh = productHigh.add(productMid.shiftRightUnsigned(32));
+    productLow = productMid.shiftLeft(32).add(new Long(productLow.getLowBits(), 0));
+    // Return the 128 bit result
+    return { high: productHigh, low: productLow };
+}
+function lessThan(left, right) {
+    // Make values unsigned
+    var uhleft = left.high >>> 0;
+    var uhright = right.high >>> 0;
+    // Compare high bits first
+    if (uhleft < uhright) {
+        return true;
+    }
+    else if (uhleft === uhright) {
+        var ulleft = left.low >>> 0;
+        var ulright = right.low >>> 0;
+        if (ulleft < ulright)
+            return true;
+    }
+    return false;
+}
+function invalidErr(string, message) {
+    throw new BSONTypeError("\"".concat(string, "\" is not a valid Decimal128 string - ").concat(message));
+}
+/**
+ * A class representation of the BSON Decimal128 type.
+ * @public
+ * @category BSONType
+ */
+var Decimal128 = /** @class */ (function () {
+    /**
+     * @param bytes - a buffer containing the raw Decimal128 bytes in little endian order,
+     *                or a string representation as returned by .toString()
+     */
+    function Decimal128(bytes) {
+        if (!(this instanceof Decimal128))
+            return new Decimal128(bytes);
+        if (typeof bytes === 'string') {
+            this.bytes = Decimal128.fromString(bytes).bytes;
+        }
+        else if (isUint8Array(bytes)) {
+            if (bytes.byteLength !== 16) {
+                throw new BSONTypeError('Decimal128 must take a Buffer of 16 bytes');
+            }
+            this.bytes = bytes;
+        }
+        else {
+            throw new BSONTypeError('Decimal128 must take a Buffer or string');
+        }
+    }
+    /**
+     * Create a Decimal128 instance from a string representation
+     *
+     * @param representation - a numeric string representation.
+     */
+    Decimal128.fromString = function (representation) {
+        // Parse state tracking
+        var isNegative = false;
+        var sawRadix = false;
+        var foundNonZero = false;
+        // Total number of significant digits (no leading or trailing zero)
+        var significantDigits = 0;
+        // Total number of significand digits read
+        var nDigitsRead = 0;
+        // Total number of digits (no leading zeros)
+        var nDigits = 0;
+        // The number of the digits after radix
+        var radixPosition = 0;
+        // The index of the first non-zero in *str*
+        var firstNonZero = 0;
+        // Digits Array
+        var digits = [0];
+        // The number of digits in digits
+        var nDigitsStored = 0;
+        // Insertion pointer for digits
+        var digitsInsert = 0;
+        // The index of the first non-zero digit
+        var firstDigit = 0;
+        // The index of the last digit
+        var lastDigit = 0;
+        // Exponent
+        var exponent = 0;
+        // loop index over array
+        var i = 0;
+        // The high 17 digits of the significand
+        var significandHigh = new Long(0, 0);
+        // The low 17 digits of the significand
+        var significandLow = new Long(0, 0);
+        // The biased exponent
+        var biasedExponent = 0;
+        // Read index
+        var index = 0;
+        // Naively prevent against REDOS attacks.
+        // TODO: implementing a custom parsing for this, or refactoring the regex would yield
+        //       further gains.
+        if (representation.length >= 7000) {
+            throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+        }
+        // Results
+        var stringMatch = representation.match(PARSE_STRING_REGEXP);
+        var infMatch = representation.match(PARSE_INF_REGEXP);
+        var nanMatch = representation.match(PARSE_NAN_REGEXP);
+        // Validate the string
+        if ((!stringMatch && !infMatch && !nanMatch) || representation.length === 0) {
+            throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+        }
+        if (stringMatch) {
+            // full_match = stringMatch[0]
+            // sign = stringMatch[1]
+            var unsignedNumber = stringMatch[2];
+            // stringMatch[3] is undefined if a whole number (ex "1", 12")
+            // but defined if a number w/ decimal in it (ex "1.0, 12.2")
+            var e = stringMatch[4];
+            var expSign = stringMatch[5];
+            var expNumber = stringMatch[6];
+            // they provided e, but didn't give an exponent number. for ex "1e"
+            if (e && expNumber === undefined)
+                invalidErr(representation, 'missing exponent power');
+            // they provided e, but didn't give a number before it. for ex "e1"
+            if (e && unsignedNumber === undefined)
+                invalidErr(representation, 'missing exponent base');
+            if (e === undefined && (expSign || expNumber)) {
+                invalidErr(representation, 'missing e before exponent');
+            }
+        }
+        // Get the negative or positive sign
+        if (representation[index] === '+' || representation[index] === '-') {
+            isNegative = representation[index++] === '-';
+        }
+        // Check if user passed Infinity or NaN
+        if (!isDigit(representation[index]) && representation[index] !== '.') {
+            if (representation[index] === 'i' || representation[index] === 'I') {
+                return new Decimal128(buffer_1.from(isNegative ? INF_NEGATIVE_BUFFER : INF_POSITIVE_BUFFER));
+            }
+            else if (representation[index] === 'N') {
+                return new Decimal128(buffer_1.from(NAN_BUFFER));
+            }
+        }
+        // Read all the digits
+        while (isDigit(representation[index]) || representation[index] === '.') {
+            if (representation[index] === '.') {
+                if (sawRadix)
+                    invalidErr(representation, 'contains multiple periods');
+                sawRadix = true;
+                index = index + 1;
+                continue;
+            }
+            if (nDigitsStored < 34) {
+                if (representation[index] !== '0' || foundNonZero) {
+                    if (!foundNonZero) {
+                        firstNonZero = nDigitsRead;
+                    }
+                    foundNonZero = true;
+                    // Only store 34 digits
+                    digits[digitsInsert++] = parseInt(representation[index], 10);
+                    nDigitsStored = nDigitsStored + 1;
+                }
+            }
+            if (foundNonZero)
+                nDigits = nDigits + 1;
+            if (sawRadix)
+                radixPosition = radixPosition + 1;
+            nDigitsRead = nDigitsRead + 1;
+            index = index + 1;
+        }
+        if (sawRadix && !nDigitsRead)
+            throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+        // Read exponent if exists
+        if (representation[index] === 'e' || representation[index] === 'E') {
+            // Read exponent digits
+            var match = representation.substr(++index).match(EXPONENT_REGEX);
+            // No digits read
+            if (!match || !match[2])
+                return new Decimal128(buffer_1.from(NAN_BUFFER));
+            // Get exponent
+            exponent = parseInt(match[0], 10);
+            // Adjust the index
+            index = index + match[0].length;
+        }
+        // Return not a number
+        if (representation[index])
+            return new Decimal128(buffer_1.from(NAN_BUFFER));
+        // Done reading input
+        // Find first non-zero digit in digits
+        firstDigit = 0;
+        if (!nDigitsStored) {
+            firstDigit = 0;
+            lastDigit = 0;
+            digits[0] = 0;
+            nDigits = 1;
+            nDigitsStored = 1;
+            significantDigits = 0;
+        }
+        else {
+            lastDigit = nDigitsStored - 1;
+            significantDigits = nDigits;
+            if (significantDigits !== 1) {
+                while (digits[firstNonZero + significantDigits - 1] === 0) {
+                    significantDigits = significantDigits - 1;
+                }
+            }
+        }
+        // Normalization of exponent
+        // Correct exponent based on radix position, and shift significand as needed
+        // to represent user input
+        // Overflow prevention
+        if (exponent <= radixPosition && radixPosition - exponent > 1 << 14) {
+            exponent = EXPONENT_MIN;
+        }
+        else {
+            exponent = exponent - radixPosition;
+        }
+        // Attempt to normalize the exponent
+        while (exponent > EXPONENT_MAX) {
+            // Shift exponent to significand and decrease
+            lastDigit = lastDigit + 1;
+            if (lastDigit - firstDigit > MAX_DIGITS) {
+                // Check if we have a zero then just hard clamp, otherwise fail
+                var digitsString = digits.join('');
+                if (digitsString.match(/^0+$/)) {
+                    exponent = EXPONENT_MAX;
+                    break;
+                }
+                invalidErr(representation, 'overflow');
+            }
+            exponent = exponent - 1;
+        }
+        while (exponent < EXPONENT_MIN || nDigitsStored < nDigits) {
+            // Shift last digit. can only do this if < significant digits than # stored.
+            if (lastDigit === 0 && significantDigits < nDigitsStored) {
+                exponent = EXPONENT_MIN;
+                significantDigits = 0;
+                break;
+            }
+            if (nDigitsStored < nDigits) {
+                // adjust to match digits not stored
+                nDigits = nDigits - 1;
+            }
+            else {
+                // adjust to round
+                lastDigit = lastDigit - 1;
+            }
+            if (exponent < EXPONENT_MAX) {
+                exponent = exponent + 1;
+            }
+            else {
+                // Check if we have a zero then just hard clamp, otherwise fail
+                var digitsString = digits.join('');
+                if (digitsString.match(/^0+$/)) {
+                    exponent = EXPONENT_MAX;
+                    break;
+                }
+                invalidErr(representation, 'overflow');
+            }
+        }
+        // Round
+        // We've normalized the exponent, but might still need to round.
+        if (lastDigit - firstDigit + 1 < significantDigits) {
+            var endOfString = nDigitsRead;
+            // If we have seen a radix point, 'string' is 1 longer than we have
+            // documented with ndigits_read, so inc the position of the first nonzero
+            // digit and the position that digits are read to.
+            if (sawRadix) {
+                firstNonZero = firstNonZero + 1;
+                endOfString = endOfString + 1;
+            }
+            // if negative, we need to increment again to account for - sign at start.
+            if (isNegative) {
+                firstNonZero = firstNonZero + 1;
+                endOfString = endOfString + 1;
+            }
+            var roundDigit = parseInt(representation[firstNonZero + lastDigit + 1], 10);
+            var roundBit = 0;
+            if (roundDigit >= 5) {
+                roundBit = 1;
+                if (roundDigit === 5) {
+                    roundBit = digits[lastDigit] % 2 === 1 ? 1 : 0;
+                    for (i = firstNonZero + lastDigit + 2; i < endOfString; i++) {
+                        if (parseInt(representation[i], 10)) {
+                            roundBit = 1;
+                            break;
+                        }
+                    }
+                }
+            }
+            if (roundBit) {
+                var dIdx = lastDigit;
+                for (; dIdx >= 0; dIdx--) {
+                    if (++digits[dIdx] > 9) {
+                        digits[dIdx] = 0;
+                        // overflowed most significant digit
+                        if (dIdx === 0) {
+                            if (exponent < EXPONENT_MAX) {
+                                exponent = exponent + 1;
+                                digits[dIdx] = 1;
+                            }
+                            else {
+                                return new Decimal128(buffer_1.from(isNegative ? INF_NEGATIVE_BUFFER : INF_POSITIVE_BUFFER));
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        // Encode significand
+        // The high 17 digits of the significand
+        significandHigh = Long.fromNumber(0);
+        // The low 17 digits of the significand
+        significandLow = Long.fromNumber(0);
+        // read a zero
+        if (significantDigits === 0) {
+            significandHigh = Long.fromNumber(0);
+            significandLow = Long.fromNumber(0);
+        }
+        else if (lastDigit - firstDigit < 17) {
+            var dIdx = firstDigit;
+            significandLow = Long.fromNumber(digits[dIdx++]);
+            significandHigh = new Long(0, 0);
+            for (; dIdx <= lastDigit; dIdx++) {
+                significandLow = significandLow.multiply(Long.fromNumber(10));
+                significandLow = significandLow.add(Long.fromNumber(digits[dIdx]));
+            }
+        }
+        else {
+            var dIdx = firstDigit;
+            significandHigh = Long.fromNumber(digits[dIdx++]);
+            for (; dIdx <= lastDigit - 17; dIdx++) {
+                significandHigh = significandHigh.multiply(Long.fromNumber(10));
+                significandHigh = significandHigh.add(Long.fromNumber(digits[dIdx]));
+            }
+            significandLow = Long.fromNumber(digits[dIdx++]);
+            for (; dIdx <= lastDigit; dIdx++) {
+                significandLow = significandLow.multiply(Long.fromNumber(10));
+                significandLow = significandLow.add(Long.fromNumber(digits[dIdx]));
+            }
+        }
+        var significand = multiply64x2(significandHigh, Long.fromString('100000000000000000'));
+        significand.low = significand.low.add(significandLow);
+        if (lessThan(significand.low, significandLow)) {
+            significand.high = significand.high.add(Long.fromNumber(1));
+        }
+        // Biased exponent
+        biasedExponent = exponent + EXPONENT_BIAS;
+        var dec = { low: Long.fromNumber(0), high: Long.fromNumber(0) };
+        // Encode combination, exponent, and significand.
+        if (significand.high.shiftRightUnsigned(49).and(Long.fromNumber(1)).equals(Long.fromNumber(1))) {
+            // Encode '11' into bits 1 to 3
+            dec.high = dec.high.or(Long.fromNumber(0x3).shiftLeft(61));
+            dec.high = dec.high.or(Long.fromNumber(biasedExponent).and(Long.fromNumber(0x3fff).shiftLeft(47)));
+            dec.high = dec.high.or(significand.high.and(Long.fromNumber(0x7fffffffffff)));
+        }
+        else {
+            dec.high = dec.high.or(Long.fromNumber(biasedExponent & 0x3fff).shiftLeft(49));
+            dec.high = dec.high.or(significand.high.and(Long.fromNumber(0x1ffffffffffff)));
+        }
+        dec.low = significand.low;
+        // Encode sign
+        if (isNegative) {
+            dec.high = dec.high.or(Long.fromString('9223372036854775808'));
+        }
+        // Encode into a buffer
+        var buffer = buffer_1.alloc(16);
+        index = 0;
+        // Encode the low 64 bits of the decimal
+        // Encode low bits
+        buffer[index++] = dec.low.low & 0xff;
+        buffer[index++] = (dec.low.low >> 8) & 0xff;
+        buffer[index++] = (dec.low.low >> 16) & 0xff;
+        buffer[index++] = (dec.low.low >> 24) & 0xff;
+        // Encode high bits
+        buffer[index++] = dec.low.high & 0xff;
+        buffer[index++] = (dec.low.high >> 8) & 0xff;
+        buffer[index++] = (dec.low.high >> 16) & 0xff;
+        buffer[index++] = (dec.low.high >> 24) & 0xff;
+        // Encode the high 64 bits of the decimal
+        // Encode low bits
+        buffer[index++] = dec.high.low & 0xff;
+        buffer[index++] = (dec.high.low >> 8) & 0xff;
+        buffer[index++] = (dec.high.low >> 16) & 0xff;
+        buffer[index++] = (dec.high.low >> 24) & 0xff;
+        // Encode high bits
+        buffer[index++] = dec.high.high & 0xff;
+        buffer[index++] = (dec.high.high >> 8) & 0xff;
+        buffer[index++] = (dec.high.high >> 16) & 0xff;
+        buffer[index++] = (dec.high.high >> 24) & 0xff;
+        // Return the new Decimal128
+        return new Decimal128(buffer);
+    };
+    /** Create a string representation of the raw Decimal128 value */
+    Decimal128.prototype.toString = function () {
+        // Note: bits in this routine are referred to starting at 0,
+        // from the sign bit, towards the coefficient.
+        // decoded biased exponent (14 bits)
+        var biased_exponent;
+        // the number of significand digits
+        var significand_digits = 0;
+        // the base-10 digits in the significand
+        var significand = new Array(36);
+        for (var i = 0; i < significand.length; i++)
+            significand[i] = 0;
+        // read pointer into significand
+        var index = 0;
+        // true if the number is zero
+        var is_zero = false;
+        // the most significant significand bits (50-46)
+        var significand_msb;
+        // temporary storage for significand decoding
+        var significand128 = { parts: [0, 0, 0, 0] };
+        // indexing variables
+        var j, k;
+        // Output string
+        var string = [];
+        // Unpack index
+        index = 0;
+        // Buffer reference
+        var buffer = this.bytes;
+        // Unpack the low 64bits into a long
+        // bits 96 - 127
+        var low = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+        // bits 64 - 95
+        var midl = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+        // Unpack the high 64bits into a long
+        // bits 32 - 63
+        var midh = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+        // bits 0 - 31
+        var high = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+        // Unpack index
+        index = 0;
+        // Create the state of the decimal
+        var dec = {
+            low: new Long(low, midl),
+            high: new Long(midh, high)
+        };
+        if (dec.high.lessThan(Long.ZERO)) {
+            string.push('-');
+        }
+        // Decode combination field and exponent
+        // bits 1 - 5
+        var combination = (high >> 26) & COMBINATION_MASK;
+        if (combination >> 3 === 3) {
+            // Check for 'special' values
+            if (combination === COMBINATION_INFINITY) {
+                return string.join('') + 'Infinity';
+            }
+            else if (combination === COMBINATION_NAN) {
+                return 'NaN';
+            }
+            else {
+                biased_exponent = (high >> 15) & EXPONENT_MASK;
+                significand_msb = 0x08 + ((high >> 14) & 0x01);
+            }
+        }
+        else {
+            significand_msb = (high >> 14) & 0x07;
+            biased_exponent = (high >> 17) & EXPONENT_MASK;
+        }
+        // unbiased exponent
+        var exponent = biased_exponent - EXPONENT_BIAS;
+        // Create string of significand digits
+        // Convert the 114-bit binary number represented by
+        // (significand_high, significand_low) to at most 34 decimal
+        // digits through modulo and division.
+        significand128.parts[0] = (high & 0x3fff) + ((significand_msb & 0xf) << 14);
+        significand128.parts[1] = midh;
+        significand128.parts[2] = midl;
+        significand128.parts[3] = low;
+        if (significand128.parts[0] === 0 &&
+            significand128.parts[1] === 0 &&
+            significand128.parts[2] === 0 &&
+            significand128.parts[3] === 0) {
+            is_zero = true;
+        }
+        else {
+            for (k = 3; k >= 0; k--) {
+                var least_digits = 0;
+                // Perform the divide
+                var result = divideu128(significand128);
+                significand128 = result.quotient;
+                least_digits = result.rem.low;
+                // We now have the 9 least significant digits (in base 2).
+                // Convert and output to string.
+                if (!least_digits)
+                    continue;
+                for (j = 8; j >= 0; j--) {
+                    // significand[k * 9 + j] = Math.round(least_digits % 10);
+                    significand[k * 9 + j] = least_digits % 10;
+                    // least_digits = Math.round(least_digits / 10);
+                    least_digits = Math.floor(least_digits / 10);
+                }
+            }
+        }
+        // Output format options:
+        // Scientific - [-]d.dddE(+/-)dd or [-]dE(+/-)dd
+        // Regular    - ddd.ddd
+        if (is_zero) {
+            significand_digits = 1;
+            significand[index] = 0;
+        }
+        else {
+            significand_digits = 36;
+            while (!significand[index]) {
+                significand_digits = significand_digits - 1;
+                index = index + 1;
+            }
+        }
+        // the exponent if scientific notation is used
+        var scientific_exponent = significand_digits - 1 + exponent;
+        // The scientific exponent checks are dictated by the string conversion
+        // specification and are somewhat arbitrary cutoffs.
+        //
+        // We must check exponent > 0, because if this is the case, the number
+        // has trailing zeros.  However, we *cannot* output these trailing zeros,
+        // because doing so would change the precision of the value, and would
+        // change stored data if the string converted number is round tripped.
+        if (scientific_exponent >= 34 || scientific_exponent <= -7 || exponent > 0) {
+            // Scientific format
+            // if there are too many significant digits, we should just be treating numbers
+            // as + or - 0 and using the non-scientific exponent (this is for the "invalid
+            // representation should be treated as 0/-0" spec cases in decimal128-1.json)
+            if (significand_digits > 34) {
+                string.push("".concat(0));
+                if (exponent > 0)
+                    string.push("E+".concat(exponent));
+                else if (exponent < 0)
+                    string.push("E".concat(exponent));
+                return string.join('');
+            }
+            string.push("".concat(significand[index++]));
+            significand_digits = significand_digits - 1;
+            if (significand_digits) {
+                string.push('.');
+            }
+            for (var i = 0; i < significand_digits; i++) {
+                string.push("".concat(significand[index++]));
+            }
+            // Exponent
+            string.push('E');
+            if (scientific_exponent > 0) {
+                string.push("+".concat(scientific_exponent));
+            }
+            else {
+                string.push("".concat(scientific_exponent));
+            }
+        }
+        else {
+            // Regular format with no decimal place
+            if (exponent >= 0) {
+                for (var i = 0; i < significand_digits; i++) {
+                    string.push("".concat(significand[index++]));
+                }
+            }
+            else {
+                var radix_position = significand_digits + exponent;
+                // non-zero digits before radix
+                if (radix_position > 0) {
+                    for (var i = 0; i < radix_position; i++) {
+                        string.push("".concat(significand[index++]));
+                    }
+                }
+                else {
+                    string.push('0');
+                }
+                string.push('.');
+                // add leading zeros after radix
+                while (radix_position++ < 0) {
+                    string.push('0');
+                }
+                for (var i = 0; i < significand_digits - Math.max(radix_position - 1, 0); i++) {
+                    string.push("".concat(significand[index++]));
+                }
+            }
+        }
+        return string.join('');
+    };
+    Decimal128.prototype.toJSON = function () {
+        return { $numberDecimal: this.toString() };
+    };
+    /** @internal */
+    Decimal128.prototype.toExtendedJSON = function () {
+        return { $numberDecimal: this.toString() };
+    };
+    /** @internal */
+    Decimal128.fromExtendedJSON = function (doc) {
+        return Decimal128.fromString(doc.$numberDecimal);
+    };
+    /** @internal */
+    Decimal128.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Decimal128.prototype.inspect = function () {
+        return "new Decimal128(\"".concat(this.toString(), "\")");
+    };
+    return Decimal128;
+}());
+Object.defineProperty(Decimal128.prototype, '_bsontype', { value: 'Decimal128' });
+
+/**
+ * A class representation of the BSON Double type.
+ * @public
+ * @category BSONType
+ */
+var Double = /** @class */ (function () {
+    /**
+     * Create a Double type
+     *
+     * @param value - the number we want to represent as a double.
+     */
+    function Double(value) {
+        if (!(this instanceof Double))
+            return new Double(value);
+        if (value instanceof Number) {
+            value = value.valueOf();
+        }
+        this.value = +value;
+    }
+    /**
+     * Access the number value.
+     *
+     * @returns returns the wrapped double number.
+     */
+    Double.prototype.valueOf = function () {
+        return this.value;
+    };
+    Double.prototype.toJSON = function () {
+        return this.value;
+    };
+    Double.prototype.toString = function (radix) {
+        return this.value.toString(radix);
+    };
+    /** @internal */
+    Double.prototype.toExtendedJSON = function (options) {
+        if (options && (options.legacy || (options.relaxed && isFinite(this.value)))) {
+            return this.value;
+        }
+        // NOTE: JavaScript has +0 and -0, apparently to model limit calculations. If a user
+        // explicitly provided `-0` then we need to ensure the sign makes it into the output
+        if (Object.is(Math.sign(this.value), -0)) {
+            return { $numberDouble: "-".concat(this.value.toFixed(1)) };
+        }
+        var $numberDouble;
+        if (Number.isInteger(this.value)) {
+            $numberDouble = this.value.toFixed(1);
+            if ($numberDouble.length >= 13) {
+                $numberDouble = this.value.toExponential(13).toUpperCase();
+            }
+        }
+        else {
+            $numberDouble = this.value.toString();
+        }
+        return { $numberDouble: $numberDouble };
+    };
+    /** @internal */
+    Double.fromExtendedJSON = function (doc, options) {
+        var doubleValue = parseFloat(doc.$numberDouble);
+        return options && options.relaxed ? doubleValue : new Double(doubleValue);
+    };
+    /** @internal */
+    Double.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Double.prototype.inspect = function () {
+        var eJSON = this.toExtendedJSON();
+        return "new Double(".concat(eJSON.$numberDouble, ")");
+    };
+    return Double;
+}());
+Object.defineProperty(Double.prototype, '_bsontype', { value: 'Double' });
+
+/**
+ * A class representation of a BSON Int32 type.
+ * @public
+ * @category BSONType
+ */
+var Int32 = /** @class */ (function () {
+    /**
+     * Create an Int32 type
+     *
+     * @param value - the number we want to represent as an int32.
+     */
+    function Int32(value) {
+        if (!(this instanceof Int32))
+            return new Int32(value);
+        if (value instanceof Number) {
+            value = value.valueOf();
+        }
+        this.value = +value | 0;
+    }
+    /**
+     * Access the number value.
+     *
+     * @returns returns the wrapped int32 number.
+     */
+    Int32.prototype.valueOf = function () {
+        return this.value;
+    };
+    Int32.prototype.toString = function (radix) {
+        return this.value.toString(radix);
+    };
+    Int32.prototype.toJSON = function () {
+        return this.value;
+    };
+    /** @internal */
+    Int32.prototype.toExtendedJSON = function (options) {
+        if (options && (options.relaxed || options.legacy))
+            return this.value;
+        return { $numberInt: this.value.toString() };
+    };
+    /** @internal */
+    Int32.fromExtendedJSON = function (doc, options) {
+        return options && options.relaxed ? parseInt(doc.$numberInt, 10) : new Int32(doc.$numberInt);
+    };
+    /** @internal */
+    Int32.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Int32.prototype.inspect = function () {
+        return "new Int32(".concat(this.valueOf(), ")");
+    };
+    return Int32;
+}());
+Object.defineProperty(Int32.prototype, '_bsontype', { value: 'Int32' });
+
+/**
+ * A class representation of the BSON MaxKey type.
+ * @public
+ * @category BSONType
+ */
+var MaxKey = /** @class */ (function () {
+    function MaxKey() {
+        if (!(this instanceof MaxKey))
+            return new MaxKey();
+    }
+    /** @internal */
+    MaxKey.prototype.toExtendedJSON = function () {
+        return { $maxKey: 1 };
+    };
+    /** @internal */
+    MaxKey.fromExtendedJSON = function () {
+        return new MaxKey();
+    };
+    /** @internal */
+    MaxKey.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    MaxKey.prototype.inspect = function () {
+        return 'new MaxKey()';
+    };
+    return MaxKey;
+}());
+Object.defineProperty(MaxKey.prototype, '_bsontype', { value: 'MaxKey' });
+
+/**
+ * A class representation of the BSON MinKey type.
+ * @public
+ * @category BSONType
+ */
+var MinKey = /** @class */ (function () {
+    function MinKey() {
+        if (!(this instanceof MinKey))
+            return new MinKey();
+    }
+    /** @internal */
+    MinKey.prototype.toExtendedJSON = function () {
+        return { $minKey: 1 };
+    };
+    /** @internal */
+    MinKey.fromExtendedJSON = function () {
+        return new MinKey();
+    };
+    /** @internal */
+    MinKey.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    MinKey.prototype.inspect = function () {
+        return 'new MinKey()';
+    };
+    return MinKey;
+}());
+Object.defineProperty(MinKey.prototype, '_bsontype', { value: 'MinKey' });
+
+// Regular expression that checks for hex value
+var checkForHexRegExp = new RegExp('^[0-9a-fA-F]{24}$');
+// Unique sequence for the current process (initialized on first use)
+var PROCESS_UNIQUE = null;
+var kId = Symbol('id');
+/**
+ * A class representation of the BSON ObjectId type.
+ * @public
+ * @category BSONType
+ */
+var ObjectId = /** @class */ (function () {
+    /**
+     * Create an ObjectId type
+     *
+     * @param inputId - Can be a 24 character hex string, 12 byte binary Buffer, or a number.
+     */
+    function ObjectId(inputId) {
+        if (!(this instanceof ObjectId))
+            return new ObjectId(inputId);
+        // workingId is set based on type of input and whether valid id exists for the input
+        var workingId;
+        if (typeof inputId === 'object' && inputId && 'id' in inputId) {
+            if (typeof inputId.id !== 'string' && !ArrayBuffer.isView(inputId.id)) {
+                throw new BSONTypeError('Argument passed in must have an id that is of type string or Buffer');
+            }
+            if ('toHexString' in inputId && typeof inputId.toHexString === 'function') {
+                workingId = buffer_1.from(inputId.toHexString(), 'hex');
+            }
+            else {
+                workingId = inputId.id;
+            }
+        }
+        else {
+            workingId = inputId;
+        }
+        // the following cases use workingId to construct an ObjectId
+        if (workingId == null || typeof workingId === 'number') {
+            // The most common use case (blank id, new objectId instance)
+            // Generate a new id
+            this[kId] = ObjectId.generate(typeof workingId === 'number' ? workingId : undefined);
+        }
+        else if (ArrayBuffer.isView(workingId) && workingId.byteLength === 12) {
+            // If intstanceof matches we can escape calling ensure buffer in Node.js environments
+            this[kId] = workingId instanceof buffer_1 ? workingId : ensureBuffer(workingId);
+        }
+        else if (typeof workingId === 'string') {
+            if (workingId.length === 12) {
+                var bytes = buffer_1.from(workingId);
+                if (bytes.byteLength === 12) {
+                    this[kId] = bytes;
+                }
+                else {
+                    throw new BSONTypeError('Argument passed in must be a string of 12 bytes');
+                }
+            }
+            else if (workingId.length === 24 && checkForHexRegExp.test(workingId)) {
+                this[kId] = buffer_1.from(workingId, 'hex');
+            }
+            else {
+                throw new BSONTypeError('Argument passed in must be a string of 12 bytes or a string of 24 hex characters or an integer');
+            }
+        }
+        else {
+            throw new BSONTypeError('Argument passed in does not match the accepted types');
+        }
+        // If we are caching the hex string
+        if (ObjectId.cacheHexString) {
+            this.__id = this.id.toString('hex');
+        }
+    }
+    Object.defineProperty(ObjectId.prototype, "id", {
+        /**
+         * The ObjectId bytes
+         * @readonly
+         */
+        get: function () {
+            return this[kId];
+        },
+        set: function (value) {
+            this[kId] = value;
+            if (ObjectId.cacheHexString) {
+                this.__id = value.toString('hex');
+            }
+        },
+        enumerable: false,
+        configurable: true
+    });
+    Object.defineProperty(ObjectId.prototype, "generationTime", {
+        /**
+         * The generation time of this ObjectId instance
+         * @deprecated Please use getTimestamp / createFromTime which returns an int32 epoch
+         */
+        get: function () {
+            return this.id.readInt32BE(0);
+        },
+        set: function (value) {
+            // Encode time into first 4 bytes
+            this.id.writeUInt32BE(value, 0);
+        },
+        enumerable: false,
+        configurable: true
+    });
+    /** Returns the ObjectId id as a 24 character hex string representation */
+    ObjectId.prototype.toHexString = function () {
+        if (ObjectId.cacheHexString && this.__id) {
+            return this.__id;
+        }
+        var hexString = this.id.toString('hex');
+        if (ObjectId.cacheHexString && !this.__id) {
+            this.__id = hexString;
+        }
+        return hexString;
+    };
+    /**
+     * Update the ObjectId index
+     * @privateRemarks
+     * Used in generating new ObjectId's on the driver
+     * @internal
+     */
+    ObjectId.getInc = function () {
+        return (ObjectId.index = (ObjectId.index + 1) % 0xffffff);
+    };
+    /**
+     * Generate a 12 byte id buffer used in ObjectId's
+     *
+     * @param time - pass in a second based timestamp.
+     */
+    ObjectId.generate = function (time) {
+        if ('number' !== typeof time) {
+            time = Math.floor(Date.now() / 1000);
+        }
+        var inc = ObjectId.getInc();
+        var buffer = buffer_1.alloc(12);
+        // 4-byte timestamp
+        buffer.writeUInt32BE(time, 0);
+        // set PROCESS_UNIQUE if yet not initialized
+        if (PROCESS_UNIQUE === null) {
+            PROCESS_UNIQUE = randomBytes(5);
+        }
+        // 5-byte process unique
+        buffer[4] = PROCESS_UNIQUE[0];
+        buffer[5] = PROCESS_UNIQUE[1];
+        buffer[6] = PROCESS_UNIQUE[2];
+        buffer[7] = PROCESS_UNIQUE[3];
+        buffer[8] = PROCESS_UNIQUE[4];
+        // 3-byte counter
+        buffer[11] = inc & 0xff;
+        buffer[10] = (inc >> 8) & 0xff;
+        buffer[9] = (inc >> 16) & 0xff;
+        return buffer;
+    };
+    /**
+     * Converts the id into a 24 character hex string for printing
+     *
+     * @param format - The Buffer toString format parameter.
+     */
+    ObjectId.prototype.toString = function (format) {
+        // Is the id a buffer then use the buffer toString method to return the format
+        if (format)
+            return this.id.toString(format);
+        return this.toHexString();
+    };
+    /** Converts to its JSON the 24 character hex string representation. */
+    ObjectId.prototype.toJSON = function () {
+        return this.toHexString();
+    };
+    /**
+     * Compares the equality of this ObjectId with `otherID`.
+     *
+     * @param otherId - ObjectId instance to compare against.
+     */
+    ObjectId.prototype.equals = function (otherId) {
+        if (otherId === undefined || otherId === null) {
+            return false;
+        }
+        if (otherId instanceof ObjectId) {
+            return this[kId][11] === otherId[kId][11] && this[kId].equals(otherId[kId]);
+        }
+        if (typeof otherId === 'string' &&
+            ObjectId.isValid(otherId) &&
+            otherId.length === 12 &&
+            isUint8Array(this.id)) {
+            return otherId === buffer_1.prototype.toString.call(this.id, 'latin1');
+        }
+        if (typeof otherId === 'string' && ObjectId.isValid(otherId) && otherId.length === 24) {
+            return otherId.toLowerCase() === this.toHexString();
+        }
+        if (typeof otherId === 'string' && ObjectId.isValid(otherId) && otherId.length === 12) {
+            return buffer_1.from(otherId).equals(this.id);
+        }
+        if (typeof otherId === 'object' &&
+            'toHexString' in otherId &&
+            typeof otherId.toHexString === 'function') {
+            var otherIdString = otherId.toHexString();
+            var thisIdString = this.toHexString().toLowerCase();
+            return typeof otherIdString === 'string' && otherIdString.toLowerCase() === thisIdString;
+        }
+        return false;
+    };
+    /** Returns the generation date (accurate up to the second) that this ID was generated. */
+    ObjectId.prototype.getTimestamp = function () {
+        var timestamp = new Date();
+        var time = this.id.readUInt32BE(0);
+        timestamp.setTime(Math.floor(time) * 1000);
+        return timestamp;
+    };
+    /** @internal */
+    ObjectId.createPk = function () {
+        return new ObjectId();
+    };
+    /**
+     * Creates an ObjectId from a second based number, with the rest of the ObjectId zeroed out. Used for comparisons or sorting the ObjectId.
+     *
+     * @param time - an integer number representing a number of seconds.
+     */
+    ObjectId.createFromTime = function (time) {
+        var buffer = buffer_1.from([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]);
+        // Encode time into first 4 bytes
+        buffer.writeUInt32BE(time, 0);
+        // Return the new objectId
+        return new ObjectId(buffer);
+    };
+    /**
+     * Creates an ObjectId from a hex string representation of an ObjectId.
+     *
+     * @param hexString - create a ObjectId from a passed in 24 character hexstring.
+     */
+    ObjectId.createFromHexString = function (hexString) {
+        // Throw an error if it's not a valid setup
+        if (typeof hexString === 'undefined' || (hexString != null && hexString.length !== 24)) {
+            throw new BSONTypeError('Argument passed in must be a single String of 12 bytes or a string of 24 hex characters');
+        }
+        return new ObjectId(buffer_1.from(hexString, 'hex'));
+    };
+    /**
+     * Checks if a value is a valid bson ObjectId
+     *
+     * @param id - ObjectId instance to validate.
+     */
+    ObjectId.isValid = function (id) {
+        if (id == null)
+            return false;
+        try {
+            new ObjectId(id);
+            return true;
+        }
+        catch (_a) {
+            return false;
+        }
+    };
+    /** @internal */
+    ObjectId.prototype.toExtendedJSON = function () {
+        if (this.toHexString)
+            return { $oid: this.toHexString() };
+        return { $oid: this.toString('hex') };
+    };
+    /** @internal */
+    ObjectId.fromExtendedJSON = function (doc) {
+        return new ObjectId(doc.$oid);
+    };
+    /**
+     * Converts to a string representation of this Id.
+     *
+     * @returns return the 24 character hex string representation.
+     * @internal
+     */
+    ObjectId.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    ObjectId.prototype.inspect = function () {
+        return "new ObjectId(\"".concat(this.toHexString(), "\")");
+    };
+    /** @internal */
+    ObjectId.index = Math.floor(Math.random() * 0xffffff);
+    return ObjectId;
+}());
+// Deprecated methods
+Object.defineProperty(ObjectId.prototype, 'generate', {
+    value: deprecate(function (time) { return ObjectId.generate(time); }, 'Please use the static `ObjectId.generate(time)` instead')
+});
+Object.defineProperty(ObjectId.prototype, 'getInc', {
+    value: deprecate(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+});
+Object.defineProperty(ObjectId.prototype, 'get_inc', {
+    value: deprecate(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+});
+Object.defineProperty(ObjectId, 'get_inc', {
+    value: deprecate(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+});
+Object.defineProperty(ObjectId.prototype, '_bsontype', { value: 'ObjectID' });
+
+function alphabetize(str) {
+    return str.split('').sort().join('');
+}
+/**
+ * A class representation of the BSON RegExp type.
+ * @public
+ * @category BSONType
+ */
+var BSONRegExp = /** @class */ (function () {
+    /**
+     * @param pattern - The regular expression pattern to match
+     * @param options - The regular expression options
+     */
+    function BSONRegExp(pattern, options) {
+        if (!(this instanceof BSONRegExp))
+            return new BSONRegExp(pattern, options);
+        this.pattern = pattern;
+        this.options = alphabetize(options !== null && options !== void 0 ? options : '');
+        if (this.pattern.indexOf('\x00') !== -1) {
+            throw new BSONError("BSON Regex patterns cannot contain null bytes, found: ".concat(JSON.stringify(this.pattern)));
+        }
+        if (this.options.indexOf('\x00') !== -1) {
+            throw new BSONError("BSON Regex options cannot contain null bytes, found: ".concat(JSON.stringify(this.options)));
+        }
+        // Validate options
+        for (var i = 0; i < this.options.length; i++) {
+            if (!(this.options[i] === 'i' ||
+                this.options[i] === 'm' ||
+                this.options[i] === 'x' ||
+                this.options[i] === 'l' ||
+                this.options[i] === 's' ||
+                this.options[i] === 'u')) {
+                throw new BSONError("The regular expression option [".concat(this.options[i], "] is not supported"));
+            }
+        }
+    }
+    BSONRegExp.parseOptions = function (options) {
+        return options ? options.split('').sort().join('') : '';
+    };
+    /** @internal */
+    BSONRegExp.prototype.toExtendedJSON = function (options) {
+        options = options || {};
+        if (options.legacy) {
+            return { $regex: this.pattern, $options: this.options };
+        }
+        return { $regularExpression: { pattern: this.pattern, options: this.options } };
+    };
+    /** @internal */
+    BSONRegExp.fromExtendedJSON = function (doc) {
+        if ('$regex' in doc) {
+            if (typeof doc.$regex !== 'string') {
+                // This is for $regex query operators that have extended json values.
+                if (doc.$regex._bsontype === 'BSONRegExp') {
+                    return doc;
+                }
+            }
+            else {
+                return new BSONRegExp(doc.$regex, BSONRegExp.parseOptions(doc.$options));
+            }
+        }
+        if ('$regularExpression' in doc) {
+            return new BSONRegExp(doc.$regularExpression.pattern, BSONRegExp.parseOptions(doc.$regularExpression.options));
+        }
+        throw new BSONTypeError("Unexpected BSONRegExp EJSON object form: ".concat(JSON.stringify(doc)));
+    };
+    return BSONRegExp;
+}());
+Object.defineProperty(BSONRegExp.prototype, '_bsontype', { value: 'BSONRegExp' });
+
+/**
+ * A class representation of the BSON Symbol type.
+ * @public
+ * @category BSONType
+ */
+var BSONSymbol = /** @class */ (function () {
+    /**
+     * @param value - the string representing the symbol.
+     */
+    function BSONSymbol(value) {
+        if (!(this instanceof BSONSymbol))
+            return new BSONSymbol(value);
+        this.value = value;
+    }
+    /** Access the wrapped string value. */
+    BSONSymbol.prototype.valueOf = function () {
+        return this.value;
+    };
+    BSONSymbol.prototype.toString = function () {
+        return this.value;
+    };
+    /** @internal */
+    BSONSymbol.prototype.inspect = function () {
+        return "new BSONSymbol(\"".concat(this.value, "\")");
+    };
+    BSONSymbol.prototype.toJSON = function () {
+        return this.value;
+    };
+    /** @internal */
+    BSONSymbol.prototype.toExtendedJSON = function () {
+        return { $symbol: this.value };
+    };
+    /** @internal */
+    BSONSymbol.fromExtendedJSON = function (doc) {
+        return new BSONSymbol(doc.$symbol);
+    };
+    /** @internal */
+    BSONSymbol.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    return BSONSymbol;
+}());
+Object.defineProperty(BSONSymbol.prototype, '_bsontype', { value: 'Symbol' });
+
+/** @public */
+var LongWithoutOverridesClass = Long;
+/**
+ * @public
+ * @category BSONType
+ * */
+var Timestamp = /** @class */ (function (_super) {
+    __extends(Timestamp, _super);
+    function Timestamp(low, high) {
+        var _this = this;
+        // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+        // @ts-expect-error
+        if (!(_this instanceof Timestamp))
+            return new Timestamp(low, high);
+        if (Long.isLong(low)) {
+            _this = _super.call(this, low.low, low.high, true) || this;
+        }
+        else if (isObjectLike(low) && typeof low.t !== 'undefined' && typeof low.i !== 'undefined') {
+            _this = _super.call(this, low.i, low.t, true) || this;
+        }
+        else {
+            _this = _super.call(this, low, high, true) || this;
+        }
+        Object.defineProperty(_this, '_bsontype', {
+            value: 'Timestamp',
+            writable: false,
+            configurable: false,
+            enumerable: false
+        });
+        return _this;
+    }
+    Timestamp.prototype.toJSON = function () {
+        return {
+            $timestamp: this.toString()
+        };
+    };
+    /** Returns a Timestamp represented by the given (32-bit) integer value. */
+    Timestamp.fromInt = function (value) {
+        return new Timestamp(Long.fromInt(value, true));
+    };
+    /** Returns a Timestamp representing the given number value, provided that it is a finite number. Otherwise, zero is returned. */
+    Timestamp.fromNumber = function (value) {
+        return new Timestamp(Long.fromNumber(value, true));
+    };
+    /**
+     * Returns a Timestamp for the given high and low bits. Each is assumed to use 32 bits.
+     *
+     * @param lowBits - the low 32-bits.
+     * @param highBits - the high 32-bits.
+     */
+    Timestamp.fromBits = function (lowBits, highBits) {
+        return new Timestamp(lowBits, highBits);
+    };
+    /**
+     * Returns a Timestamp from the given string, optionally using the given radix.
+     *
+     * @param str - the textual representation of the Timestamp.
+     * @param optRadix - the radix in which the text is written.
+     */
+    Timestamp.fromString = function (str, optRadix) {
+        return new Timestamp(Long.fromString(str, true, optRadix));
+    };
+    /** @internal */
+    Timestamp.prototype.toExtendedJSON = function () {
+        return { $timestamp: { t: this.high >>> 0, i: this.low >>> 0 } };
+    };
+    /** @internal */
+    Timestamp.fromExtendedJSON = function (doc) {
+        return new Timestamp(doc.$timestamp);
+    };
+    /** @internal */
+    Timestamp.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Timestamp.prototype.inspect = function () {
+        return "new Timestamp({ t: ".concat(this.getHighBits(), ", i: ").concat(this.getLowBits(), " })");
+    };
+    Timestamp.MAX_VALUE = Long.MAX_UNSIGNED_VALUE;
+    return Timestamp;
+}(LongWithoutOverridesClass));
+
+function isBSONType(value) {
+    return (isObjectLike(value) && Reflect.has(value, '_bsontype') && typeof value._bsontype === 'string');
+}
+// INT32 boundaries
+var BSON_INT32_MAX = 0x7fffffff;
+var BSON_INT32_MIN = -0x80000000;
+// INT64 boundaries
+// const BSON_INT64_MAX = 0x7fffffffffffffff; // TODO(NODE-4377): This number cannot be precisely represented in JS
+var BSON_INT64_MAX = 0x8000000000000000;
+var BSON_INT64_MIN = -0x8000000000000000;
+// all the types where we don't need to do any special processing and can just pass the EJSON
+//straight to type.fromExtendedJSON
+var keysToCodecs = {
+    $oid: ObjectId,
+    $binary: Binary,
+    $uuid: Binary,
+    $symbol: BSONSymbol,
+    $numberInt: Int32,
+    $numberDecimal: Decimal128,
+    $numberDouble: Double,
+    $numberLong: Long,
+    $minKey: MinKey,
+    $maxKey: MaxKey,
+    $regex: BSONRegExp,
+    $regularExpression: BSONRegExp,
+    $timestamp: Timestamp
+};
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function deserializeValue(value, options) {
+    if (options === void 0) { options = {}; }
+    if (typeof value === 'number') {
+        if (options.relaxed || options.legacy) {
+            return value;
+        }
+        // if it's an integer, should interpret as smallest BSON integer
+        // that can represent it exactly. (if out of range, interpret as double.)
+        if (Math.floor(value) === value) {
+            if (value >= BSON_INT32_MIN && value <= BSON_INT32_MAX)
+                return new Int32(value);
+            if (value >= BSON_INT64_MIN && value <= BSON_INT64_MAX)
+                return Long.fromNumber(value);
+        }
+        // If the number is a non-integer or out of integer range, should interpret as BSON Double.
+        return new Double(value);
+    }
+    // from here on out we're looking for bson types, so bail if its not an object
+    if (value == null || typeof value !== 'object')
+        return value;
+    // upgrade deprecated undefined to null
+    if (value.$undefined)
+        return null;
+    var keys = Object.keys(value).filter(function (k) { return k.startsWith('$') && value[k] != null; });
+    for (var i = 0; i < keys.length; i++) {
+        var c = keysToCodecs[keys[i]];
+        if (c)
+            return c.fromExtendedJSON(value, options);
+    }
+    if (value.$date != null) {
+        var d = value.$date;
+        var date = new Date();
+        if (options.legacy) {
+            if (typeof d === 'number')
+                date.setTime(d);
+            else if (typeof d === 'string')
+                date.setTime(Date.parse(d));
+        }
+        else {
+            if (typeof d === 'string')
+                date.setTime(Date.parse(d));
+            else if (Long.isLong(d))
+                date.setTime(d.toNumber());
+            else if (typeof d === 'number' && options.relaxed)
+                date.setTime(d);
+        }
+        return date;
+    }
+    if (value.$code != null) {
+        var copy = Object.assign({}, value);
+        if (value.$scope) {
+            copy.$scope = deserializeValue(value.$scope);
+        }
+        return Code.fromExtendedJSON(value);
+    }
+    if (isDBRefLike(value) || value.$dbPointer) {
+        var v = value.$ref ? value : value.$dbPointer;
+        // we run into this in a "degenerate EJSON" case (with $id and $ref order flipped)
+        // because of the order JSON.parse goes through the document
+        if (v instanceof DBRef)
+            return v;
+        var dollarKeys = Object.keys(v).filter(function (k) { return k.startsWith('$'); });
+        var valid_1 = true;
+        dollarKeys.forEach(function (k) {
+            if (['$ref', '$id', '$db'].indexOf(k) === -1)
+                valid_1 = false;
+        });
+        // only make DBRef if $ keys are all valid
+        if (valid_1)
+            return DBRef.fromExtendedJSON(v);
+    }
+    return value;
+}
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function serializeArray(array, options) {
+    return array.map(function (v, index) {
+        options.seenObjects.push({ propertyName: "index ".concat(index), obj: null });
+        try {
+            return serializeValue(v, options);
+        }
+        finally {
+            options.seenObjects.pop();
+        }
+    });
+}
+function getISOString(date) {
+    var isoStr = date.toISOString();
+    // we should only show milliseconds in timestamp if they're non-zero
+    return date.getUTCMilliseconds() !== 0 ? isoStr : isoStr.slice(0, -5) + 'Z';
+}
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function serializeValue(value, options) {
+    if ((typeof value === 'object' || typeof value === 'function') && value !== null) {
+        var index = options.seenObjects.findIndex(function (entry) { return entry.obj === value; });
+        if (index !== -1) {
+            var props = options.seenObjects.map(function (entry) { return entry.propertyName; });
+            var leadingPart = props
+                .slice(0, index)
+                .map(function (prop) { return "".concat(prop, " -> "); })
+                .join('');
+            var alreadySeen = props[index];
+            var circularPart = ' -> ' +
+                props
+                    .slice(index + 1, props.length - 1)
+                    .map(function (prop) { return "".concat(prop, " -> "); })
+                    .join('');
+            var current = props[props.length - 1];
+            var leadingSpace = ' '.repeat(leadingPart.length + alreadySeen.length / 2);
+            var dashes = '-'.repeat(circularPart.length + (alreadySeen.length + current.length) / 2 - 1);
+            throw new BSONTypeError('Converting circular structure to EJSON:\n' +
+                "    ".concat(leadingPart).concat(alreadySeen).concat(circularPart).concat(current, "\n") +
+                "    ".concat(leadingSpace, "\\").concat(dashes, "/"));
+        }
+        options.seenObjects[options.seenObjects.length - 1].obj = value;
+    }
+    if (Array.isArray(value))
+        return serializeArray(value, options);
+    if (value === undefined)
+        return null;
+    if (value instanceof Date || isDate(value)) {
+        var dateNum = value.getTime(), 
+        // is it in year range 1970-9999?
+        inRange = dateNum > -1 && dateNum < 253402318800000;
+        if (options.legacy) {
+            return options.relaxed && inRange
+                ? { $date: value.getTime() }
+                : { $date: getISOString(value) };
+        }
+        return options.relaxed && inRange
+            ? { $date: getISOString(value) }
+            : { $date: { $numberLong: value.getTime().toString() } };
+    }
+    if (typeof value === 'number' && (!options.relaxed || !isFinite(value))) {
+        // it's an integer
+        if (Math.floor(value) === value) {
+            var int32Range = value >= BSON_INT32_MIN && value <= BSON_INT32_MAX, int64Range = value >= BSON_INT64_MIN && value <= BSON_INT64_MAX;
+            // interpret as being of the smallest BSON integer type that can represent the number exactly
+            if (int32Range)
+                return { $numberInt: value.toString() };
+            if (int64Range)
+                return { $numberLong: value.toString() };
+        }
+        return { $numberDouble: value.toString() };
+    }
+    if (value instanceof RegExp || isRegExp(value)) {
+        var flags = value.flags;
+        if (flags === undefined) {
+            var match = value.toString().match(/[gimuy]*$/);
+            if (match) {
+                flags = match[0];
+            }
+        }
+        var rx = new BSONRegExp(value.source, flags);
+        return rx.toExtendedJSON(options);
+    }
+    if (value != null && typeof value === 'object')
+        return serializeDocument(value, options);
+    return value;
+}
+var BSON_TYPE_MAPPINGS = {
+    Binary: function (o) { return new Binary(o.value(), o.sub_type); },
+    Code: function (o) { return new Code(o.code, o.scope); },
+    DBRef: function (o) { return new DBRef(o.collection || o.namespace, o.oid, o.db, o.fields); },
+    Decimal128: function (o) { return new Decimal128(o.bytes); },
+    Double: function (o) { return new Double(o.value); },
+    Int32: function (o) { return new Int32(o.value); },
+    Long: function (o) {
+        return Long.fromBits(
+        // underscore variants for 1.x backwards compatibility
+        o.low != null ? o.low : o.low_, o.low != null ? o.high : o.high_, o.low != null ? o.unsigned : o.unsigned_);
+    },
+    MaxKey: function () { return new MaxKey(); },
+    MinKey: function () { return new MinKey(); },
+    ObjectID: function (o) { return new ObjectId(o); },
+    ObjectId: function (o) { return new ObjectId(o); },
+    BSONRegExp: function (o) { return new BSONRegExp(o.pattern, o.options); },
+    Symbol: function (o) { return new BSONSymbol(o.value); },
+    Timestamp: function (o) { return Timestamp.fromBits(o.low, o.high); }
+};
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function serializeDocument(doc, options) {
+    if (doc == null || typeof doc !== 'object')
+        throw new BSONError('not an object instance');
+    var bsontype = doc._bsontype;
+    if (typeof bsontype === 'undefined') {
+        // It's a regular object. Recursively serialize its property values.
+        var _doc = {};
+        for (var name in doc) {
+            options.seenObjects.push({ propertyName: name, obj: null });
+            try {
+                var value = serializeValue(doc[name], options);
+                if (name === '__proto__') {
+                    Object.defineProperty(_doc, name, {
+                        value: value,
+                        writable: true,
+                        enumerable: true,
+                        configurable: true
+                    });
+                }
+                else {
+                    _doc[name] = value;
+                }
+            }
+            finally {
+                options.seenObjects.pop();
+            }
+        }
+        return _doc;
+    }
+    else if (isBSONType(doc)) {
+        // the "document" is really just a BSON type object
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+        var outDoc = doc;
+        if (typeof outDoc.toExtendedJSON !== 'function') {
+            // There's no EJSON serialization function on the object. It's probably an
+            // object created by a previous version of this library (or another library)
+            // that's duck-typing objects to look like they were generated by this library).
+            // Copy the object into this library's version of that type.
+            var mapper = BSON_TYPE_MAPPINGS[doc._bsontype];
+            if (!mapper) {
+                throw new BSONTypeError('Unrecognized or invalid _bsontype: ' + doc._bsontype);
+            }
+            outDoc = mapper(outDoc);
+        }
+        // Two BSON types may have nested objects that may need to be serialized too
+        if (bsontype === 'Code' && outDoc.scope) {
+            outDoc = new Code(outDoc.code, serializeValue(outDoc.scope, options));
+        }
+        else if (bsontype === 'DBRef' && outDoc.oid) {
+            outDoc = new DBRef(serializeValue(outDoc.collection, options), serializeValue(outDoc.oid, options), serializeValue(outDoc.db, options), serializeValue(outDoc.fields, options));
+        }
+        return outDoc.toExtendedJSON(options);
+    }
+    else {
+        throw new BSONError('_bsontype must be a string, but was: ' + typeof bsontype);
+    }
+}
+/**
+ * EJSON parse / stringify API
+ * @public
+ */
+// the namespace here is used to emulate `export * as EJSON from '...'`
+// which as of now (sept 2020) api-extractor does not support
+// eslint-disable-next-line @typescript-eslint/no-namespace
+var EJSON;
+(function (EJSON) {
+    /**
+     * Parse an Extended JSON string, constructing the JavaScript value or object described by that
+     * string.
+     *
+     * @example
+     * ```js
+     * const { EJSON } = require('bson');
+     * const text = '{ "int32": { "$numberInt": "10" } }';
+     *
+     * // prints { int32: { [String: '10'] _bsontype: 'Int32', value: '10' } }
+     * console.log(EJSON.parse(text, { relaxed: false }));
+     *
+     * // prints { int32: 10 }
+     * console.log(EJSON.parse(text));
+     * ```
+     */
+    function parse(text, options) {
+        var finalOptions = Object.assign({}, { relaxed: true, legacy: false }, options);
+        // relaxed implies not strict
+        if (typeof finalOptions.relaxed === 'boolean')
+            finalOptions.strict = !finalOptions.relaxed;
+        if (typeof finalOptions.strict === 'boolean')
+            finalOptions.relaxed = !finalOptions.strict;
+        return JSON.parse(text, function (key, value) {
+            if (key.indexOf('\x00') !== -1) {
+                throw new BSONError("BSON Document field names cannot contain null bytes, found: ".concat(JSON.stringify(key)));
+            }
+            return deserializeValue(value, finalOptions);
+        });
+    }
+    EJSON.parse = parse;
+    /**
+     * Converts a BSON document to an Extended JSON string, optionally replacing values if a replacer
+     * function is specified or optionally including only the specified properties if a replacer array
+     * is specified.
+     *
+     * @param value - The value to convert to extended JSON
+     * @param replacer - A function that alters the behavior of the stringification process, or an array of String and Number objects that serve as a whitelist for selecting/filtering the properties of the value object to be included in the JSON string. If this value is null or not provided, all properties of the object are included in the resulting JSON string
+     * @param space - A String or Number object that's used to insert white space into the output JSON string for readability purposes.
+     * @param options - Optional settings
+     *
+     * @example
+     * ```js
+     * const { EJSON } = require('bson');
+     * const Int32 = require('mongodb').Int32;
+     * const doc = { int32: new Int32(10) };
+     *
+     * // prints '{"int32":{"$numberInt":"10"}}'
+     * console.log(EJSON.stringify(doc, { relaxed: false }));
+     *
+     * // prints '{"int32":10}'
+     * console.log(EJSON.stringify(doc));
+     * ```
+     */
+    function stringify(value, 
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    replacer, space, options) {
+        if (space != null && typeof space === 'object') {
+            options = space;
+            space = 0;
+        }
+        if (replacer != null && typeof replacer === 'object' && !Array.isArray(replacer)) {
+            options = replacer;
+            replacer = undefined;
+            space = 0;
+        }
+        var serializeOptions = Object.assign({ relaxed: true, legacy: false }, options, {
+            seenObjects: [{ propertyName: '(root)', obj: null }]
+        });
+        var doc = serializeValue(value, serializeOptions);
+        return JSON.stringify(doc, replacer, space);
+    }
+    EJSON.stringify = stringify;
+    /**
+     * Serializes an object to an Extended JSON string, and reparse it as a JavaScript object.
+     *
+     * @param value - The object to serialize
+     * @param options - Optional settings passed to the `stringify` function
+     */
+    function serialize(value, options) {
+        options = options || {};
+        return JSON.parse(stringify(value, options));
+    }
+    EJSON.serialize = serialize;
+    /**
+     * Deserializes an Extended JSON object into a plain JavaScript object with native/BSON types
+     *
+     * @param ejson - The Extended JSON object to deserialize
+     * @param options - Optional settings passed to the parse method
+     */
+    function deserialize(ejson, options) {
+        options = options || {};
+        return parse(JSON.stringify(ejson), options);
+    }
+    EJSON.deserialize = deserialize;
+})(EJSON || (EJSON = {}));
+
+/* eslint-disable @typescript-eslint/no-explicit-any */
+/** @public */
+var bsonMap;
+var bsonGlobal = getGlobal();
+if (bsonGlobal.Map) {
+    bsonMap = bsonGlobal.Map;
+}
+else {
+    // We will return a polyfill
+    bsonMap = /** @class */ (function () {
+        function Map(array) {
+            if (array === void 0) { array = []; }
+            this._keys = [];
+            this._values = {};
+            for (var i = 0; i < array.length; i++) {
+                if (array[i] == null)
+                    continue; // skip null and undefined
+                var entry = array[i];
+                var key = entry[0];
+                var value = entry[1];
+                // Add the key to the list of keys in order
+                this._keys.push(key);
+                // Add the key and value to the values dictionary with a point
+                // to the location in the ordered keys list
+                this._values[key] = { v: value, i: this._keys.length - 1 };
+            }
+        }
+        Map.prototype.clear = function () {
+            this._keys = [];
+            this._values = {};
+        };
+        Map.prototype.delete = function (key) {
+            var value = this._values[key];
+            if (value == null)
+                return false;
+            // Delete entry
+            delete this._values[key];
+            // Remove the key from the ordered keys list
+            this._keys.splice(value.i, 1);
+            return true;
+        };
+        Map.prototype.entries = function () {
+            var _this = this;
+            var index = 0;
+            return {
+                next: function () {
+                    var key = _this._keys[index++];
+                    return {
+                        value: key !== undefined ? [key, _this._values[key].v] : undefined,
+                        done: key !== undefined ? false : true
+                    };
+                }
+            };
+        };
+        Map.prototype.forEach = function (callback, self) {
+            self = self || this;
+            for (var i = 0; i < this._keys.length; i++) {
+                var key = this._keys[i];
+                // Call the forEach callback
+                callback.call(self, this._values[key].v, key, self);
+            }
+        };
+        Map.prototype.get = function (key) {
+            return this._values[key] ? this._values[key].v : undefined;
+        };
+        Map.prototype.has = function (key) {
+            return this._values[key] != null;
+        };
+        Map.prototype.keys = function () {
+            var _this = this;
+            var index = 0;
+            return {
+                next: function () {
+                    var key = _this._keys[index++];
+                    return {
+                        value: key !== undefined ? key : undefined,
+                        done: key !== undefined ? false : true
+                    };
+                }
+            };
+        };
+        Map.prototype.set = function (key, value) {
+            if (this._values[key]) {
+                this._values[key].v = value;
+                return this;
+            }
+            // Add the key to the list of keys in order
+            this._keys.push(key);
+            // Add the key and value to the values dictionary with a point
+            // to the location in the ordered keys list
+            this._values[key] = { v: value, i: this._keys.length - 1 };
+            return this;
+        };
+        Map.prototype.values = function () {
+            var _this = this;
+            var index = 0;
+            return {
+                next: function () {
+                    var key = _this._keys[index++];
+                    return {
+                        value: key !== undefined ? _this._values[key].v : undefined,
+                        done: key !== undefined ? false : true
+                    };
+                }
+            };
+        };
+        Object.defineProperty(Map.prototype, "size", {
+            get: function () {
+                return this._keys.length;
+            },
+            enumerable: false,
+            configurable: true
+        });
+        return Map;
+    }());
+}
+
+function calculateObjectSize$1(object, serializeFunctions, ignoreUndefined) {
+    var totalLength = 4 + 1;
+    if (Array.isArray(object)) {
+        for (var i = 0; i < object.length; i++) {
+            totalLength += calculateElement(i.toString(), object[i], serializeFunctions, true, ignoreUndefined);
+        }
+    }
+    else {
+        // If we have toBSON defined, override the current object
+        if (typeof (object === null || object === void 0 ? void 0 : object.toBSON) === 'function') {
+            object = object.toBSON();
+        }
+        // Calculate size
+        for (var key in object) {
+            totalLength += calculateElement(key, object[key], serializeFunctions, false, ignoreUndefined);
+        }
+    }
+    return totalLength;
+}
+/** @internal */
+function calculateElement(name, 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+value, serializeFunctions, isArray, ignoreUndefined) {
+    if (serializeFunctions === void 0) { serializeFunctions = false; }
+    if (isArray === void 0) { isArray = false; }
+    if (ignoreUndefined === void 0) { ignoreUndefined = false; }
+    // If we have toBSON defined, override the current object
+    if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+        value = value.toBSON();
+    }
+    switch (typeof value) {
+        case 'string':
+            return 1 + buffer_1.byteLength(name, 'utf8') + 1 + 4 + buffer_1.byteLength(value, 'utf8') + 1;
+        case 'number':
+            if (Math.floor(value) === value &&
+                value >= JS_INT_MIN &&
+                value <= JS_INT_MAX) {
+                if (value >= BSON_INT32_MIN$1 && value <= BSON_INT32_MAX$1) {
+                    // 32 bit
+                    return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (4 + 1);
+                }
+                else {
+                    return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+                }
+            }
+            else {
+                // 64 bit
+                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+            }
+        case 'undefined':
+            if (isArray || !ignoreUndefined)
+                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + 1;
+            return 0;
+        case 'boolean':
+            return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (1 + 1);
+        case 'object':
+            if (value == null || value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + 1;
+            }
+            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (12 + 1);
+            }
+            else if (value instanceof Date || isDate(value)) {
+                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+            }
+            else if (ArrayBuffer.isView(value) ||
+                value instanceof ArrayBuffer ||
+                isAnyArrayBuffer(value)) {
+                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (1 + 4 + 1) + value.byteLength);
+            }
+            else if (value['_bsontype'] === 'Long' ||
+                value['_bsontype'] === 'Double' ||
+                value['_bsontype'] === 'Timestamp') {
+                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+            }
+            else if (value['_bsontype'] === 'Decimal128') {
+                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (16 + 1);
+            }
+            else if (value['_bsontype'] === 'Code') {
+                // Calculate size depending on the availability of a scope
+                if (value.scope != null && Object.keys(value.scope).length > 0) {
+                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+                        1 +
+                        4 +
+                        4 +
+                        buffer_1.byteLength(value.code.toString(), 'utf8') +
+                        1 +
+                        calculateObjectSize$1(value.scope, serializeFunctions, ignoreUndefined));
+                }
+                else {
+                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+                        1 +
+                        4 +
+                        buffer_1.byteLength(value.code.toString(), 'utf8') +
+                        1);
+                }
+            }
+            else if (value['_bsontype'] === 'Binary') {
+                var binary = value;
+                // Check what kind of subtype we have
+                if (binary.sub_type === Binary.SUBTYPE_BYTE_ARRAY) {
+                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+                        (binary.position + 1 + 4 + 1 + 4));
+                }
+                else {
+                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (binary.position + 1 + 4 + 1));
+                }
+            }
+            else if (value['_bsontype'] === 'Symbol') {
+                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+                    buffer_1.byteLength(value.value, 'utf8') +
+                    4 +
+                    1 +
+                    1);
+            }
+            else if (value['_bsontype'] === 'DBRef') {
+                // Set up correct object for serialization
+                var ordered_values = Object.assign({
+                    $ref: value.collection,
+                    $id: value.oid
+                }, value.fields);
+                // Add db reference if it exists
+                if (value.db != null) {
+                    ordered_values['$db'] = value.db;
+                }
+                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+                    1 +
+                    calculateObjectSize$1(ordered_values, serializeFunctions, ignoreUndefined));
+            }
+            else if (value instanceof RegExp || isRegExp(value)) {
+                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+                    1 +
+                    buffer_1.byteLength(value.source, 'utf8') +
+                    1 +
+                    (value.global ? 1 : 0) +
+                    (value.ignoreCase ? 1 : 0) +
+                    (value.multiline ? 1 : 0) +
+                    1);
+            }
+            else if (value['_bsontype'] === 'BSONRegExp') {
+                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+                    1 +
+                    buffer_1.byteLength(value.pattern, 'utf8') +
+                    1 +
+                    buffer_1.byteLength(value.options, 'utf8') +
+                    1);
+            }
+            else {
+                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+                    calculateObjectSize$1(value, serializeFunctions, ignoreUndefined) +
+                    1);
+            }
+        case 'function':
+            // WTF for 0.4.X where typeof /someregexp/ === 'function'
+            if (value instanceof RegExp || isRegExp(value) || String.call(value) === '[object RegExp]') {
+                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+                    1 +
+                    buffer_1.byteLength(value.source, 'utf8') +
+                    1 +
+                    (value.global ? 1 : 0) +
+                    (value.ignoreCase ? 1 : 0) +
+                    (value.multiline ? 1 : 0) +
+                    1);
+            }
+            else {
+                if (serializeFunctions && value.scope != null && Object.keys(value.scope).length > 0) {
+                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+                        1 +
+                        4 +
+                        4 +
+                        buffer_1.byteLength(normalizedFunctionString(value), 'utf8') +
+                        1 +
+                        calculateObjectSize$1(value.scope, serializeFunctions, ignoreUndefined));
+                }
+                else if (serializeFunctions) {
+                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+                        1 +
+                        4 +
+                        buffer_1.byteLength(normalizedFunctionString(value), 'utf8') +
+                        1);
+                }
+            }
+    }
+    return 0;
+}
+
+var FIRST_BIT = 0x80;
+var FIRST_TWO_BITS = 0xc0;
+var FIRST_THREE_BITS = 0xe0;
+var FIRST_FOUR_BITS = 0xf0;
+var FIRST_FIVE_BITS = 0xf8;
+var TWO_BIT_CHAR = 0xc0;
+var THREE_BIT_CHAR = 0xe0;
+var FOUR_BIT_CHAR = 0xf0;
+var CONTINUING_CHAR = 0x80;
+/**
+ * Determines if the passed in bytes are valid utf8
+ * @param bytes - An array of 8-bit bytes. Must be indexable and have length property
+ * @param start - The index to start validating
+ * @param end - The index to end validating
+ */
+function validateUtf8(bytes, start, end) {
+    var continuation = 0;
+    for (var i = start; i < end; i += 1) {
+        var byte = bytes[i];
+        if (continuation) {
+            if ((byte & FIRST_TWO_BITS) !== CONTINUING_CHAR) {
+                return false;
+            }
+            continuation -= 1;
+        }
+        else if (byte & FIRST_BIT) {
+            if ((byte & FIRST_THREE_BITS) === TWO_BIT_CHAR) {
+                continuation = 1;
+            }
+            else if ((byte & FIRST_FOUR_BITS) === THREE_BIT_CHAR) {
+                continuation = 2;
+            }
+            else if ((byte & FIRST_FIVE_BITS) === FOUR_BIT_CHAR) {
+                continuation = 3;
+            }
+            else {
+                return false;
+            }
+        }
+    }
+    return !continuation;
+}
+
+// Internal long versions
+var JS_INT_MAX_LONG = Long.fromNumber(JS_INT_MAX);
+var JS_INT_MIN_LONG = Long.fromNumber(JS_INT_MIN);
+var functionCache = {};
+function deserialize$1(buffer, options, isArray) {
+    options = options == null ? {} : options;
+    var index = options && options.index ? options.index : 0;
+    // Read the document size
+    var size = buffer[index] |
+        (buffer[index + 1] << 8) |
+        (buffer[index + 2] << 16) |
+        (buffer[index + 3] << 24);
+    if (size < 5) {
+        throw new BSONError("bson size must be >= 5, is ".concat(size));
+    }
+    if (options.allowObjectSmallerThanBufferSize && buffer.length < size) {
+        throw new BSONError("buffer length ".concat(buffer.length, " must be >= bson size ").concat(size));
+    }
+    if (!options.allowObjectSmallerThanBufferSize && buffer.length !== size) {
+        throw new BSONError("buffer length ".concat(buffer.length, " must === bson size ").concat(size));
+    }
+    if (size + index > buffer.byteLength) {
+        throw new BSONError("(bson size ".concat(size, " + options.index ").concat(index, " must be <= buffer length ").concat(buffer.byteLength, ")"));
+    }
+    // Illegal end value
+    if (buffer[index + size - 1] !== 0) {
+        throw new BSONError("One object, sized correctly, with a spot for an EOO, but the EOO isn't 0x00");
+    }
+    // Start deserializtion
+    return deserializeObject(buffer, index, options, isArray);
+}
+var allowedDBRefKeys = /^\$ref$|^\$id$|^\$db$/;
+function deserializeObject(buffer, index, options, isArray) {
+    if (isArray === void 0) { isArray = false; }
+    var evalFunctions = options['evalFunctions'] == null ? false : options['evalFunctions'];
+    var cacheFunctions = options['cacheFunctions'] == null ? false : options['cacheFunctions'];
+    var fieldsAsRaw = options['fieldsAsRaw'] == null ? null : options['fieldsAsRaw'];
+    // Return raw bson buffer instead of parsing it
+    var raw = options['raw'] == null ? false : options['raw'];
+    // Return BSONRegExp objects instead of native regular expressions
+    var bsonRegExp = typeof options['bsonRegExp'] === 'boolean' ? options['bsonRegExp'] : false;
+    // Controls the promotion of values vs wrapper classes
+    var promoteBuffers = options['promoteBuffers'] == null ? false : options['promoteBuffers'];
+    var promoteLongs = options['promoteLongs'] == null ? true : options['promoteLongs'];
+    var promoteValues = options['promoteValues'] == null ? true : options['promoteValues'];
+    // Ensures default validation option if none given
+    var validation = options.validation == null ? { utf8: true } : options.validation;
+    // Shows if global utf-8 validation is enabled or disabled
+    var globalUTFValidation = true;
+    // Reflects utf-8 validation setting regardless of global or specific key validation
+    var validationSetting;
+    // Set of keys either to enable or disable validation on
+    var utf8KeysSet = new Set();
+    // Check for boolean uniformity and empty validation option
+    var utf8ValidatedKeys = validation.utf8;
+    if (typeof utf8ValidatedKeys === 'boolean') {
+        validationSetting = utf8ValidatedKeys;
+    }
+    else {
+        globalUTFValidation = false;
+        var utf8ValidationValues = Object.keys(utf8ValidatedKeys).map(function (key) {
+            return utf8ValidatedKeys[key];
+        });
+        if (utf8ValidationValues.length === 0) {
+            throw new BSONError('UTF-8 validation setting cannot be empty');
+        }
+        if (typeof utf8ValidationValues[0] !== 'boolean') {
+            throw new BSONError('Invalid UTF-8 validation option, must specify boolean values');
+        }
+        validationSetting = utf8ValidationValues[0];
+        // Ensures boolean uniformity in utf-8 validation (all true or all false)
+        if (!utf8ValidationValues.every(function (item) { return item === validationSetting; })) {
+            throw new BSONError('Invalid UTF-8 validation option - keys must be all true or all false');
+        }
+    }
+    // Add keys to set that will either be validated or not based on validationSetting
+    if (!globalUTFValidation) {
+        for (var _i = 0, _a = Object.keys(utf8ValidatedKeys); _i < _a.length; _i++) {
+            var key = _a[_i];
+            utf8KeysSet.add(key);
+        }
+    }
+    // Set the start index
+    var startIndex = index;
+    // Validate that we have at least 4 bytes of buffer
+    if (buffer.length < 5)
+        throw new BSONError('corrupt bson message < 5 bytes long');
+    // Read the document size
+    var size = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+    // Ensure buffer is valid size
+    if (size < 5 || size > buffer.length)
+        throw new BSONError('corrupt bson message');
+    // Create holding object
+    var object = isArray ? [] : {};
+    // Used for arrays to skip having to perform utf8 decoding
+    var arrayIndex = 0;
+    var done = false;
+    var isPossibleDBRef = isArray ? false : null;
+    // While we have more left data left keep parsing
+    var dataview = new DataView(buffer.buffer, buffer.byteOffset, buffer.byteLength);
+    while (!done) {
+        // Read the type
+        var elementType = buffer[index++];
+        // If we get a zero it's the last byte, exit
+        if (elementType === 0)
+            break;
+        // Get the start search index
+        var i = index;
+        // Locate the end of the c string
+        while (buffer[i] !== 0x00 && i < buffer.length) {
+            i++;
+        }
+        // If are at the end of the buffer there is a problem with the document
+        if (i >= buffer.byteLength)
+            throw new BSONError('Bad BSON Document: illegal CString');
+        // Represents the key
+        var name = isArray ? arrayIndex++ : buffer.toString('utf8', index, i);
+        // shouldValidateKey is true if the key should be validated, false otherwise
+        var shouldValidateKey = true;
+        if (globalUTFValidation || utf8KeysSet.has(name)) {
+            shouldValidateKey = validationSetting;
+        }
+        else {
+            shouldValidateKey = !validationSetting;
+        }
+        if (isPossibleDBRef !== false && name[0] === '$') {
+            isPossibleDBRef = allowedDBRefKeys.test(name);
+        }
+        var value = void 0;
+        index = i + 1;
+        if (elementType === BSON_DATA_STRING) {
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0) {
+                throw new BSONError('bad string length in bson');
+            }
+            value = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+            index = index + stringSize;
+        }
+        else if (elementType === BSON_DATA_OID) {
+            var oid = buffer_1.alloc(12);
+            buffer.copy(oid, 0, index, index + 12);
+            value = new ObjectId(oid);
+            index = index + 12;
+        }
+        else if (elementType === BSON_DATA_INT && promoteValues === false) {
+            value = new Int32(buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24));
+        }
+        else if (elementType === BSON_DATA_INT) {
+            value =
+                buffer[index++] |
+                    (buffer[index++] << 8) |
+                    (buffer[index++] << 16) |
+                    (buffer[index++] << 24);
+        }
+        else if (elementType === BSON_DATA_NUMBER && promoteValues === false) {
+            value = new Double(dataview.getFloat64(index, true));
+            index = index + 8;
+        }
+        else if (elementType === BSON_DATA_NUMBER) {
+            value = dataview.getFloat64(index, true);
+            index = index + 8;
+        }
+        else if (elementType === BSON_DATA_DATE) {
+            var lowBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var highBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            value = new Date(new Long(lowBits, highBits).toNumber());
+        }
+        else if (elementType === BSON_DATA_BOOLEAN) {
+            if (buffer[index] !== 0 && buffer[index] !== 1)
+                throw new BSONError('illegal boolean type value');
+            value = buffer[index++] === 1;
+        }
+        else if (elementType === BSON_DATA_OBJECT) {
+            var _index = index;
+            var objectSize = buffer[index] |
+                (buffer[index + 1] << 8) |
+                (buffer[index + 2] << 16) |
+                (buffer[index + 3] << 24);
+            if (objectSize <= 0 || objectSize > buffer.length - index)
+                throw new BSONError('bad embedded document length in bson');
+            // We have a raw value
+            if (raw) {
+                value = buffer.slice(index, index + objectSize);
+            }
+            else {
+                var objectOptions = options;
+                if (!globalUTFValidation) {
+                    objectOptions = _assign(_assign({}, options), { validation: { utf8: shouldValidateKey } });
+                }
+                value = deserializeObject(buffer, _index, objectOptions, false);
+            }
+            index = index + objectSize;
+        }
+        else if (elementType === BSON_DATA_ARRAY) {
+            var _index = index;
+            var objectSize = buffer[index] |
+                (buffer[index + 1] << 8) |
+                (buffer[index + 2] << 16) |
+                (buffer[index + 3] << 24);
+            var arrayOptions = options;
+            // Stop index
+            var stopIndex = index + objectSize;
+            // All elements of array to be returned as raw bson
+            if (fieldsAsRaw && fieldsAsRaw[name]) {
+                arrayOptions = {};
+                for (var n in options) {
+                    arrayOptions[n] = options[n];
+                }
+                arrayOptions['raw'] = true;
+            }
+            if (!globalUTFValidation) {
+                arrayOptions = _assign(_assign({}, arrayOptions), { validation: { utf8: shouldValidateKey } });
+            }
+            value = deserializeObject(buffer, _index, arrayOptions, true);
+            index = index + objectSize;
+            if (buffer[index - 1] !== 0)
+                throw new BSONError('invalid array terminator byte');
+            if (index !== stopIndex)
+                throw new BSONError('corrupted array bson');
+        }
+        else if (elementType === BSON_DATA_UNDEFINED) {
+            value = undefined;
+        }
+        else if (elementType === BSON_DATA_NULL) {
+            value = null;
+        }
+        else if (elementType === BSON_DATA_LONG) {
+            // Unpack the low and high bits
+            var lowBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var highBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var long = new Long(lowBits, highBits);
+            // Promote the long if possible
+            if (promoteLongs && promoteValues === true) {
+                value =
+                    long.lessThanOrEqual(JS_INT_MAX_LONG) && long.greaterThanOrEqual(JS_INT_MIN_LONG)
+                        ? long.toNumber()
+                        : long;
+            }
+            else {
+                value = long;
+            }
+        }
+        else if (elementType === BSON_DATA_DECIMAL128) {
+            // Buffer to contain the decimal bytes
+            var bytes = buffer_1.alloc(16);
+            // Copy the next 16 bytes into the bytes buffer
+            buffer.copy(bytes, 0, index, index + 16);
+            // Update index
+            index = index + 16;
+            // Assign the new Decimal128 value
+            var decimal128 = new Decimal128(bytes);
+            // If we have an alternative mapper use that
+            if ('toObject' in decimal128 && typeof decimal128.toObject === 'function') {
+                value = decimal128.toObject();
+            }
+            else {
+                value = decimal128;
+            }
+        }
+        else if (elementType === BSON_DATA_BINARY) {
+            var binarySize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var totalBinarySize = binarySize;
+            var subType = buffer[index++];
+            // Did we have a negative binary size, throw
+            if (binarySize < 0)
+                throw new BSONError('Negative binary type element size found');
+            // Is the length longer than the document
+            if (binarySize > buffer.byteLength)
+                throw new BSONError('Binary type size larger than document size');
+            // Decode as raw Buffer object if options specifies it
+            if (buffer['slice'] != null) {
+                // If we have subtype 2 skip the 4 bytes for the size
+                if (subType === Binary.SUBTYPE_BYTE_ARRAY) {
+                    binarySize =
+                        buffer[index++] |
+                            (buffer[index++] << 8) |
+                            (buffer[index++] << 16) |
+                            (buffer[index++] << 24);
+                    if (binarySize < 0)
+                        throw new BSONError('Negative binary type element size found for subtype 0x02');
+                    if (binarySize > totalBinarySize - 4)
+                        throw new BSONError('Binary type with subtype 0x02 contains too long binary size');
+                    if (binarySize < totalBinarySize - 4)
+                        throw new BSONError('Binary type with subtype 0x02 contains too short binary size');
+                }
+                if (promoteBuffers && promoteValues) {
+                    value = buffer.slice(index, index + binarySize);
+                }
+                else {
+                    value = new Binary(buffer.slice(index, index + binarySize), subType);
+                    if (subType === BSON_BINARY_SUBTYPE_UUID_NEW) {
+                        value = value.toUUID();
+                    }
+                }
+            }
+            else {
+                var _buffer = buffer_1.alloc(binarySize);
+                // If we have subtype 2 skip the 4 bytes for the size
+                if (subType === Binary.SUBTYPE_BYTE_ARRAY) {
+                    binarySize =
+                        buffer[index++] |
+                            (buffer[index++] << 8) |
+                            (buffer[index++] << 16) |
+                            (buffer[index++] << 24);
+                    if (binarySize < 0)
+                        throw new BSONError('Negative binary type element size found for subtype 0x02');
+                    if (binarySize > totalBinarySize - 4)
+                        throw new BSONError('Binary type with subtype 0x02 contains too long binary size');
+                    if (binarySize < totalBinarySize - 4)
+                        throw new BSONError('Binary type with subtype 0x02 contains too short binary size');
+                }
+                // Copy the data
+                for (i = 0; i < binarySize; i++) {
+                    _buffer[i] = buffer[index + i];
+                }
+                if (promoteBuffers && promoteValues) {
+                    value = _buffer;
+                }
+                else if (subType === BSON_BINARY_SUBTYPE_UUID_NEW) {
+                    value = new Binary(buffer.slice(index, index + binarySize), subType).toUUID();
+                }
+                else {
+                    value = new Binary(buffer.slice(index, index + binarySize), subType);
+                }
+            }
+            // Update the index
+            index = index + binarySize;
+        }
+        else if (elementType === BSON_DATA_REGEXP && bsonRegExp === false) {
+            // Get the start search index
+            i = index;
+            // Locate the end of the c string
+            while (buffer[i] !== 0x00 && i < buffer.length) {
+                i++;
+            }
+            // If are at the end of the buffer there is a problem with the document
+            if (i >= buffer.length)
+                throw new BSONError('Bad BSON Document: illegal CString');
+            // Return the C string
+            var source = buffer.toString('utf8', index, i);
+            // Create the regexp
+            index = i + 1;
+            // Get the start search index
+            i = index;
+            // Locate the end of the c string
+            while (buffer[i] !== 0x00 && i < buffer.length) {
+                i++;
+            }
+            // If are at the end of the buffer there is a problem with the document
+            if (i >= buffer.length)
+                throw new BSONError('Bad BSON Document: illegal CString');
+            // Return the C string
+            var regExpOptions = buffer.toString('utf8', index, i);
+            index = i + 1;
+            // For each option add the corresponding one for javascript
+            var optionsArray = new Array(regExpOptions.length);
+            // Parse options
+            for (i = 0; i < regExpOptions.length; i++) {
+                switch (regExpOptions[i]) {
+                    case 'm':
+                        optionsArray[i] = 'm';
+                        break;
+                    case 's':
+                        optionsArray[i] = 'g';
+                        break;
+                    case 'i':
+                        optionsArray[i] = 'i';
+                        break;
+                }
+            }
+            value = new RegExp(source, optionsArray.join(''));
+        }
+        else if (elementType === BSON_DATA_REGEXP && bsonRegExp === true) {
+            // Get the start search index
+            i = index;
+            // Locate the end of the c string
+            while (buffer[i] !== 0x00 && i < buffer.length) {
+                i++;
+            }
+            // If are at the end of the buffer there is a problem with the document
+            if (i >= buffer.length)
+                throw new BSONError('Bad BSON Document: illegal CString');
+            // Return the C string
+            var source = buffer.toString('utf8', index, i);
+            index = i + 1;
+            // Get the start search index
+            i = index;
+            // Locate the end of the c string
+            while (buffer[i] !== 0x00 && i < buffer.length) {
+                i++;
+            }
+            // If are at the end of the buffer there is a problem with the document
+            if (i >= buffer.length)
+                throw new BSONError('Bad BSON Document: illegal CString');
+            // Return the C string
+            var regExpOptions = buffer.toString('utf8', index, i);
+            index = i + 1;
+            // Set the object
+            value = new BSONRegExp(source, regExpOptions);
+        }
+        else if (elementType === BSON_DATA_SYMBOL) {
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0) {
+                throw new BSONError('bad string length in bson');
+            }
+            var symbol = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+            value = promoteValues ? symbol : new BSONSymbol(symbol);
+            index = index + stringSize;
+        }
+        else if (elementType === BSON_DATA_TIMESTAMP) {
+            var lowBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var highBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            value = new Timestamp(lowBits, highBits);
+        }
+        else if (elementType === BSON_DATA_MIN_KEY) {
+            value = new MinKey();
+        }
+        else if (elementType === BSON_DATA_MAX_KEY) {
+            value = new MaxKey();
+        }
+        else if (elementType === BSON_DATA_CODE) {
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0) {
+                throw new BSONError('bad string length in bson');
+            }
+            var functionString = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+            // If we are evaluating the functions
+            if (evalFunctions) {
+                // If we have cache enabled let's look for the md5 of the function in the cache
+                if (cacheFunctions) {
+                    // Got to do this to avoid V8 deoptimizing the call due to finding eval
+                    value = isolateEval(functionString, functionCache, object);
+                }
+                else {
+                    value = isolateEval(functionString);
+                }
+            }
+            else {
+                value = new Code(functionString);
+            }
+            // Update parse index position
+            index = index + stringSize;
+        }
+        else if (elementType === BSON_DATA_CODE_W_SCOPE) {
+            var totalSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            // Element cannot be shorter than totalSize + stringSize + documentSize + terminator
+            if (totalSize < 4 + 4 + 4 + 1) {
+                throw new BSONError('code_w_scope total size shorter minimum expected length');
+            }
+            // Get the code string size
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            // Check if we have a valid string
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0) {
+                throw new BSONError('bad string length in bson');
+            }
+            // Javascript function
+            var functionString = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+            // Update parse index position
+            index = index + stringSize;
+            // Parse the element
+            var _index = index;
+            // Decode the size of the object document
+            var objectSize = buffer[index] |
+                (buffer[index + 1] << 8) |
+                (buffer[index + 2] << 16) |
+                (buffer[index + 3] << 24);
+            // Decode the scope object
+            var scopeObject = deserializeObject(buffer, _index, options, false);
+            // Adjust the index
+            index = index + objectSize;
+            // Check if field length is too short
+            if (totalSize < 4 + 4 + objectSize + stringSize) {
+                throw new BSONError('code_w_scope total size is too short, truncating scope');
+            }
+            // Check if totalSize field is too long
+            if (totalSize > 4 + 4 + objectSize + stringSize) {
+                throw new BSONError('code_w_scope total size is too long, clips outer document');
+            }
+            // If we are evaluating the functions
+            if (evalFunctions) {
+                // If we have cache enabled let's look for the md5 of the function in the cache
+                if (cacheFunctions) {
+                    // Got to do this to avoid V8 deoptimizing the call due to finding eval
+                    value = isolateEval(functionString, functionCache, object);
+                }
+                else {
+                    value = isolateEval(functionString);
+                }
+                value.scope = scopeObject;
+            }
+            else {
+                value = new Code(functionString, scopeObject);
+            }
+        }
+        else if (elementType === BSON_DATA_DBPOINTER) {
+            // Get the code string size
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            // Check if we have a valid string
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0)
+                throw new BSONError('bad string length in bson');
+            // Namespace
+            if (validation != null && validation.utf8) {
+                if (!validateUtf8(buffer, index, index + stringSize - 1)) {
+                    throw new BSONError('Invalid UTF-8 string in BSON document');
+                }
+            }
+            var namespace = buffer.toString('utf8', index, index + stringSize - 1);
+            // Update parse index position
+            index = index + stringSize;
+            // Read the oid
+            var oidBuffer = buffer_1.alloc(12);
+            buffer.copy(oidBuffer, 0, index, index + 12);
+            var oid = new ObjectId(oidBuffer);
+            // Update the index
+            index = index + 12;
+            // Upgrade to DBRef type
+            value = new DBRef(namespace, oid);
+        }
+        else {
+            throw new BSONError("Detected unknown BSON type ".concat(elementType.toString(16), " for fieldname \"").concat(name, "\""));
+        }
+        if (name === '__proto__') {
+            Object.defineProperty(object, name, {
+                value: value,
+                writable: true,
+                enumerable: true,
+                configurable: true
+            });
+        }
+        else {
+            object[name] = value;
+        }
+    }
+    // Check if the deserialization was against a valid array/object
+    if (size !== index - startIndex) {
+        if (isArray)
+            throw new BSONError('corrupt array bson');
+        throw new BSONError('corrupt object bson');
+    }
+    // if we did not find "$ref", "$id", "$db", or found an extraneous $key, don't make a DBRef
+    if (!isPossibleDBRef)
+        return object;
+    if (isDBRefLike(object)) {
+        var copy = Object.assign({}, object);
+        delete copy.$ref;
+        delete copy.$id;
+        delete copy.$db;
+        return new DBRef(object.$ref, object.$id, object.$db, copy);
+    }
+    return object;
+}
+/**
+ * Ensure eval is isolated, store the result in functionCache.
+ *
+ * @internal
+ */
+function isolateEval(functionString, functionCache, object) {
+    // eslint-disable-next-line @typescript-eslint/no-implied-eval
+    if (!functionCache)
+        return new Function(functionString);
+    // Check for cache hit, eval if missing and return cached function
+    if (functionCache[functionString] == null) {
+        // eslint-disable-next-line @typescript-eslint/no-implied-eval
+        functionCache[functionString] = new Function(functionString);
+    }
+    // Set the object
+    return functionCache[functionString].bind(object);
+}
+function getValidatedString(buffer, start, end, shouldValidateUtf8) {
+    var value = buffer.toString('utf8', start, end);
+    // if utf8 validation is on, do the check
+    if (shouldValidateUtf8) {
+        for (var i = 0; i < value.length; i++) {
+            if (value.charCodeAt(i) === 0xfffd) {
+                if (!validateUtf8(buffer, start, end)) {
+                    throw new BSONError('Invalid UTF-8 string in BSON document');
+                }
+                break;
+            }
+        }
+    }
+    return value;
+}
+
+var regexp = /\x00/; // eslint-disable-line no-control-regex
+var ignoreKeys = new Set(['$db', '$ref', '$id', '$clusterTime']);
+/*
+ * isArray indicates if we are writing to a BSON array (type 0x04)
+ * which forces the "key" which really an array index as a string to be written as ascii
+ * This will catch any errors in index as a string generation
+ */
+function serializeString(buffer, key, value, index, isArray) {
+    // Encode String type
+    buffer[index++] = BSON_DATA_STRING;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes + 1;
+    buffer[index - 1] = 0;
+    // Write the string
+    var size = buffer.write(value, index + 4, undefined, 'utf8');
+    // Write the size of the string to buffer
+    buffer[index + 3] = ((size + 1) >> 24) & 0xff;
+    buffer[index + 2] = ((size + 1) >> 16) & 0xff;
+    buffer[index + 1] = ((size + 1) >> 8) & 0xff;
+    buffer[index] = (size + 1) & 0xff;
+    // Update index
+    index = index + 4 + size;
+    // Write zero
+    buffer[index++] = 0;
+    return index;
+}
+var SPACE_FOR_FLOAT64 = new Uint8Array(8);
+var DV_FOR_FLOAT64 = new DataView(SPACE_FOR_FLOAT64.buffer, SPACE_FOR_FLOAT64.byteOffset, SPACE_FOR_FLOAT64.byteLength);
+function serializeNumber(buffer, key, value, index, isArray) {
+    // We have an integer value
+    // TODO(NODE-2529): Add support for big int
+    if (Number.isInteger(value) &&
+        value >= BSON_INT32_MIN$1 &&
+        value <= BSON_INT32_MAX$1) {
+        // If the value fits in 32 bits encode as int32
+        // Set int type 32 bits or less
+        buffer[index++] = BSON_DATA_INT;
+        // Number of written bytes
+        var numberOfWrittenBytes = !isArray
+            ? buffer.write(key, index, undefined, 'utf8')
+            : buffer.write(key, index, undefined, 'ascii');
+        // Encode the name
+        index = index + numberOfWrittenBytes;
+        buffer[index++] = 0;
+        // Write the int value
+        buffer[index++] = value & 0xff;
+        buffer[index++] = (value >> 8) & 0xff;
+        buffer[index++] = (value >> 16) & 0xff;
+        buffer[index++] = (value >> 24) & 0xff;
+    }
+    else {
+        // Encode as double
+        buffer[index++] = BSON_DATA_NUMBER;
+        // Number of written bytes
+        var numberOfWrittenBytes = !isArray
+            ? buffer.write(key, index, undefined, 'utf8')
+            : buffer.write(key, index, undefined, 'ascii');
+        // Encode the name
+        index = index + numberOfWrittenBytes;
+        buffer[index++] = 0;
+        // Write float
+        DV_FOR_FLOAT64.setFloat64(0, value, true);
+        buffer.set(SPACE_FOR_FLOAT64, index);
+        // Adjust index
+        index = index + 8;
+    }
+    return index;
+}
+function serializeNull(buffer, key, _, index, isArray) {
+    // Set long type
+    buffer[index++] = BSON_DATA_NULL;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    return index;
+}
+function serializeBoolean(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_BOOLEAN;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Encode the boolean value
+    buffer[index++] = value ? 1 : 0;
+    return index;
+}
+function serializeDate(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_DATE;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the date
+    var dateInMilis = Long.fromNumber(value.getTime());
+    var lowBits = dateInMilis.getLowBits();
+    var highBits = dateInMilis.getHighBits();
+    // Encode low bits
+    buffer[index++] = lowBits & 0xff;
+    buffer[index++] = (lowBits >> 8) & 0xff;
+    buffer[index++] = (lowBits >> 16) & 0xff;
+    buffer[index++] = (lowBits >> 24) & 0xff;
+    // Encode high bits
+    buffer[index++] = highBits & 0xff;
+    buffer[index++] = (highBits >> 8) & 0xff;
+    buffer[index++] = (highBits >> 16) & 0xff;
+    buffer[index++] = (highBits >> 24) & 0xff;
+    return index;
+}
+function serializeRegExp(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_REGEXP;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    if (value.source && value.source.match(regexp) != null) {
+        throw Error('value ' + value.source + ' must not contain null bytes');
+    }
+    // Adjust the index
+    index = index + buffer.write(value.source, index, undefined, 'utf8');
+    // Write zero
+    buffer[index++] = 0x00;
+    // Write the parameters
+    if (value.ignoreCase)
+        buffer[index++] = 0x69; // i
+    if (value.global)
+        buffer[index++] = 0x73; // s
+    if (value.multiline)
+        buffer[index++] = 0x6d; // m
+    // Add ending zero
+    buffer[index++] = 0x00;
+    return index;
+}
+function serializeBSONRegExp(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_REGEXP;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Check the pattern for 0 bytes
+    if (value.pattern.match(regexp) != null) {
+        // The BSON spec doesn't allow keys with null bytes because keys are
+        // null-terminated.
+        throw Error('pattern ' + value.pattern + ' must not contain null bytes');
+    }
+    // Adjust the index
+    index = index + buffer.write(value.pattern, index, undefined, 'utf8');
+    // Write zero
+    buffer[index++] = 0x00;
+    // Write the options
+    index = index + buffer.write(value.options.split('').sort().join(''), index, undefined, 'utf8');
+    // Add ending zero
+    buffer[index++] = 0x00;
+    return index;
+}
+function serializeMinMax(buffer, key, value, index, isArray) {
+    // Write the type of either min or max key
+    if (value === null) {
+        buffer[index++] = BSON_DATA_NULL;
+    }
+    else if (value._bsontype === 'MinKey') {
+        buffer[index++] = BSON_DATA_MIN_KEY;
+    }
+    else {
+        buffer[index++] = BSON_DATA_MAX_KEY;
+    }
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    return index;
+}
+function serializeObjectId(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_OID;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the objectId into the shared buffer
+    if (typeof value.id === 'string') {
+        buffer.write(value.id, index, undefined, 'binary');
+    }
+    else if (isUint8Array(value.id)) {
+        // Use the standard JS methods here because buffer.copy() is buggy with the
+        // browser polyfill
+        buffer.set(value.id.subarray(0, 12), index);
+    }
+    else {
+        throw new BSONTypeError('object [' + JSON.stringify(value) + '] is not a valid ObjectId');
+    }
+    // Adjust index
+    return index + 12;
+}
+function serializeBuffer(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_BINARY;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Get size of the buffer (current write point)
+    var size = value.length;
+    // Write the size of the string to buffer
+    buffer[index++] = size & 0xff;
+    buffer[index++] = (size >> 8) & 0xff;
+    buffer[index++] = (size >> 16) & 0xff;
+    buffer[index++] = (size >> 24) & 0xff;
+    // Write the default subtype
+    buffer[index++] = BSON_BINARY_SUBTYPE_DEFAULT;
+    // Copy the content form the binary field to the buffer
+    buffer.set(ensureBuffer(value), index);
+    // Adjust the index
+    index = index + size;
+    return index;
+}
+function serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, isArray, path) {
+    if (checkKeys === void 0) { checkKeys = false; }
+    if (depth === void 0) { depth = 0; }
+    if (serializeFunctions === void 0) { serializeFunctions = false; }
+    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+    if (isArray === void 0) { isArray = false; }
+    if (path === void 0) { path = []; }
+    for (var i = 0; i < path.length; i++) {
+        if (path[i] === value)
+            throw new BSONError('cyclic dependency detected');
+    }
+    // Push value to stack
+    path.push(value);
+    // Write the type
+    buffer[index++] = Array.isArray(value) ? BSON_DATA_ARRAY : BSON_DATA_OBJECT;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    var endIndex = serializeInto(buffer, value, checkKeys, index, depth + 1, serializeFunctions, ignoreUndefined, path);
+    // Pop stack
+    path.pop();
+    return endIndex;
+}
+function serializeDecimal128(buffer, key, value, index, isArray) {
+    buffer[index++] = BSON_DATA_DECIMAL128;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the data from the value
+    // Prefer the standard JS methods because their typechecking is not buggy,
+    // unlike the `buffer` polyfill's.
+    buffer.set(value.bytes.subarray(0, 16), index);
+    return index + 16;
+}
+function serializeLong(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] =
+        value._bsontype === 'Long' ? BSON_DATA_LONG : BSON_DATA_TIMESTAMP;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the date
+    var lowBits = value.getLowBits();
+    var highBits = value.getHighBits();
+    // Encode low bits
+    buffer[index++] = lowBits & 0xff;
+    buffer[index++] = (lowBits >> 8) & 0xff;
+    buffer[index++] = (lowBits >> 16) & 0xff;
+    buffer[index++] = (lowBits >> 24) & 0xff;
+    // Encode high bits
+    buffer[index++] = highBits & 0xff;
+    buffer[index++] = (highBits >> 8) & 0xff;
+    buffer[index++] = (highBits >> 16) & 0xff;
+    buffer[index++] = (highBits >> 24) & 0xff;
+    return index;
+}
+function serializeInt32(buffer, key, value, index, isArray) {
+    value = value.valueOf();
+    // Set int type 32 bits or less
+    buffer[index++] = BSON_DATA_INT;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the int value
+    buffer[index++] = value & 0xff;
+    buffer[index++] = (value >> 8) & 0xff;
+    buffer[index++] = (value >> 16) & 0xff;
+    buffer[index++] = (value >> 24) & 0xff;
+    return index;
+}
+function serializeDouble(buffer, key, value, index, isArray) {
+    // Encode as double
+    buffer[index++] = BSON_DATA_NUMBER;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write float
+    DV_FOR_FLOAT64.setFloat64(0, value.value, true);
+    buffer.set(SPACE_FOR_FLOAT64, index);
+    // Adjust index
+    index = index + 8;
+    return index;
+}
+function serializeFunction(buffer, key, value, index, _checkKeys, _depth, isArray) {
+    buffer[index++] = BSON_DATA_CODE;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Function string
+    var functionString = normalizedFunctionString(value);
+    // Write the string
+    var size = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+    // Write the size of the string to buffer
+    buffer[index] = size & 0xff;
+    buffer[index + 1] = (size >> 8) & 0xff;
+    buffer[index + 2] = (size >> 16) & 0xff;
+    buffer[index + 3] = (size >> 24) & 0xff;
+    // Update index
+    index = index + 4 + size - 1;
+    // Write zero
+    buffer[index++] = 0;
+    return index;
+}
+function serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, isArray) {
+    if (checkKeys === void 0) { checkKeys = false; }
+    if (depth === void 0) { depth = 0; }
+    if (serializeFunctions === void 0) { serializeFunctions = false; }
+    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+    if (isArray === void 0) { isArray = false; }
+    if (value.scope && typeof value.scope === 'object') {
+        // Write the type
+        buffer[index++] = BSON_DATA_CODE_W_SCOPE;
+        // Number of written bytes
+        var numberOfWrittenBytes = !isArray
+            ? buffer.write(key, index, undefined, 'utf8')
+            : buffer.write(key, index, undefined, 'ascii');
+        // Encode the name
+        index = index + numberOfWrittenBytes;
+        buffer[index++] = 0;
+        // Starting index
+        var startIndex = index;
+        // Serialize the function
+        // Get the function string
+        var functionString = typeof value.code === 'string' ? value.code : value.code.toString();
+        // Index adjustment
+        index = index + 4;
+        // Write string into buffer
+        var codeSize = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+        // Write the size of the string to buffer
+        buffer[index] = codeSize & 0xff;
+        buffer[index + 1] = (codeSize >> 8) & 0xff;
+        buffer[index + 2] = (codeSize >> 16) & 0xff;
+        buffer[index + 3] = (codeSize >> 24) & 0xff;
+        // Write end 0
+        buffer[index + 4 + codeSize - 1] = 0;
+        // Write the
+        index = index + codeSize + 4;
+        //
+        // Serialize the scope value
+        var endIndex = serializeInto(buffer, value.scope, checkKeys, index, depth + 1, serializeFunctions, ignoreUndefined);
+        index = endIndex - 1;
+        // Writ the total
+        var totalSize = endIndex - startIndex;
+        // Write the total size of the object
+        buffer[startIndex++] = totalSize & 0xff;
+        buffer[startIndex++] = (totalSize >> 8) & 0xff;
+        buffer[startIndex++] = (totalSize >> 16) & 0xff;
+        buffer[startIndex++] = (totalSize >> 24) & 0xff;
+        // Write trailing zero
+        buffer[index++] = 0;
+    }
+    else {
+        buffer[index++] = BSON_DATA_CODE;
+        // Number of written bytes
+        var numberOfWrittenBytes = !isArray
+            ? buffer.write(key, index, undefined, 'utf8')
+            : buffer.write(key, index, undefined, 'ascii');
+        // Encode the name
+        index = index + numberOfWrittenBytes;
+        buffer[index++] = 0;
+        // Function string
+        var functionString = value.code.toString();
+        // Write the string
+        var size = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+        // Write the size of the string to buffer
+        buffer[index] = size & 0xff;
+        buffer[index + 1] = (size >> 8) & 0xff;
+        buffer[index + 2] = (size >> 16) & 0xff;
+        buffer[index + 3] = (size >> 24) & 0xff;
+        // Update index
+        index = index + 4 + size - 1;
+        // Write zero
+        buffer[index++] = 0;
+    }
+    return index;
+}
+function serializeBinary(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_BINARY;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Extract the buffer
+    var data = value.value(true);
+    // Calculate size
+    var size = value.position;
+    // Add the deprecated 02 type 4 bytes of size to total
+    if (value.sub_type === Binary.SUBTYPE_BYTE_ARRAY)
+        size = size + 4;
+    // Write the size of the string to buffer
+    buffer[index++] = size & 0xff;
+    buffer[index++] = (size >> 8) & 0xff;
+    buffer[index++] = (size >> 16) & 0xff;
+    buffer[index++] = (size >> 24) & 0xff;
+    // Write the subtype to the buffer
+    buffer[index++] = value.sub_type;
+    // If we have binary type 2 the 4 first bytes are the size
+    if (value.sub_type === Binary.SUBTYPE_BYTE_ARRAY) {
+        size = size - 4;
+        buffer[index++] = size & 0xff;
+        buffer[index++] = (size >> 8) & 0xff;
+        buffer[index++] = (size >> 16) & 0xff;
+        buffer[index++] = (size >> 24) & 0xff;
+    }
+    // Write the data to the object
+    buffer.set(data, index);
+    // Adjust the index
+    index = index + value.position;
+    return index;
+}
+function serializeSymbol(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_SYMBOL;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the string
+    var size = buffer.write(value.value, index + 4, undefined, 'utf8') + 1;
+    // Write the size of the string to buffer
+    buffer[index] = size & 0xff;
+    buffer[index + 1] = (size >> 8) & 0xff;
+    buffer[index + 2] = (size >> 16) & 0xff;
+    buffer[index + 3] = (size >> 24) & 0xff;
+    // Update index
+    index = index + 4 + size - 1;
+    // Write zero
+    buffer[index++] = 0x00;
+    return index;
+}
+function serializeDBRef(buffer, key, value, index, depth, serializeFunctions, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_OBJECT;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    var startIndex = index;
+    var output = {
+        $ref: value.collection || value.namespace,
+        $id: value.oid
+    };
+    if (value.db != null) {
+        output.$db = value.db;
+    }
+    output = Object.assign(output, value.fields);
+    var endIndex = serializeInto(buffer, output, false, index, depth + 1, serializeFunctions);
+    // Calculate object size
+    var size = endIndex - startIndex;
+    // Write the size
+    buffer[startIndex++] = size & 0xff;
+    buffer[startIndex++] = (size >> 8) & 0xff;
+    buffer[startIndex++] = (size >> 16) & 0xff;
+    buffer[startIndex++] = (size >> 24) & 0xff;
+    // Set index
+    return endIndex;
+}
+function serializeInto(buffer, object, checkKeys, startingIndex, depth, serializeFunctions, ignoreUndefined, path) {
+    if (checkKeys === void 0) { checkKeys = false; }
+    if (startingIndex === void 0) { startingIndex = 0; }
+    if (depth === void 0) { depth = 0; }
+    if (serializeFunctions === void 0) { serializeFunctions = false; }
+    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+    if (path === void 0) { path = []; }
+    startingIndex = startingIndex || 0;
+    path = path || [];
+    // Push the object to the path
+    path.push(object);
+    // Start place to serialize into
+    var index = startingIndex + 4;
+    // Special case isArray
+    if (Array.isArray(object)) {
+        // Get object keys
+        for (var i = 0; i < object.length; i++) {
+            var key = "".concat(i);
+            var value = object[i];
+            // Is there an override value
+            if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+                value = value.toBSON();
+            }
+            if (typeof value === 'string') {
+                index = serializeString(buffer, key, value, index, true);
+            }
+            else if (typeof value === 'number') {
+                index = serializeNumber(buffer, key, value, index, true);
+            }
+            else if (typeof value === 'bigint') {
+                throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+            }
+            else if (typeof value === 'boolean') {
+                index = serializeBoolean(buffer, key, value, index, true);
+            }
+            else if (value instanceof Date || isDate(value)) {
+                index = serializeDate(buffer, key, value, index, true);
+            }
+            else if (value === undefined) {
+                index = serializeNull(buffer, key, value, index, true);
+            }
+            else if (value === null) {
+                index = serializeNull(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+                index = serializeObjectId(buffer, key, value, index, true);
+            }
+            else if (isUint8Array(value)) {
+                index = serializeBuffer(buffer, key, value, index, true);
+            }
+            else if (value instanceof RegExp || isRegExp(value)) {
+                index = serializeRegExp(buffer, key, value, index, true);
+            }
+            else if (typeof value === 'object' && value['_bsontype'] == null) {
+                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, true, path);
+            }
+            else if (typeof value === 'object' &&
+                isBSONType(value) &&
+                value._bsontype === 'Decimal128') {
+                index = serializeDecimal128(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+                index = serializeLong(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'Double') {
+                index = serializeDouble(buffer, key, value, index, true);
+            }
+            else if (typeof value === 'function' && serializeFunctions) {
+                index = serializeFunction(buffer, key, value, index, checkKeys, depth, true);
+            }
+            else if (value['_bsontype'] === 'Code') {
+                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, true);
+            }
+            else if (value['_bsontype'] === 'Binary') {
+                index = serializeBinary(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'Symbol') {
+                index = serializeSymbol(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'DBRef') {
+                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions, true);
+            }
+            else if (value['_bsontype'] === 'BSONRegExp') {
+                index = serializeBSONRegExp(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'Int32') {
+                index = serializeInt32(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+                index = serializeMinMax(buffer, key, value, index, true);
+            }
+            else if (typeof value['_bsontype'] !== 'undefined') {
+                throw new BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+            }
+        }
+    }
+    else if (object instanceof bsonMap || isMap(object)) {
+        var iterator = object.entries();
+        var done = false;
+        while (!done) {
+            // Unpack the next entry
+            var entry = iterator.next();
+            done = !!entry.done;
+            // Are we done, then skip and terminate
+            if (done)
+                continue;
+            // Get the entry values
+            var key = entry.value[0];
+            var value = entry.value[1];
+            // Check the type of the value
+            var type = typeof value;
+            // Check the key and throw error if it's illegal
+            if (typeof key === 'string' && !ignoreKeys.has(key)) {
+                if (key.match(regexp) != null) {
+                    // The BSON spec doesn't allow keys with null bytes because keys are
+                    // null-terminated.
+                    throw Error('key ' + key + ' must not contain null bytes');
+                }
+                if (checkKeys) {
+                    if ('$' === key[0]) {
+                        throw Error('key ' + key + " must not start with '$'");
+                    }
+                    else if (~key.indexOf('.')) {
+                        throw Error('key ' + key + " must not contain '.'");
+                    }
+                }
+            }
+            if (type === 'string') {
+                index = serializeString(buffer, key, value, index);
+            }
+            else if (type === 'number') {
+                index = serializeNumber(buffer, key, value, index);
+            }
+            else if (type === 'bigint' || isBigInt64Array(value) || isBigUInt64Array(value)) {
+                throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+            }
+            else if (type === 'boolean') {
+                index = serializeBoolean(buffer, key, value, index);
+            }
+            else if (value instanceof Date || isDate(value)) {
+                index = serializeDate(buffer, key, value, index);
+            }
+            else if (value === null || (value === undefined && ignoreUndefined === false)) {
+                index = serializeNull(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+                index = serializeObjectId(buffer, key, value, index);
+            }
+            else if (isUint8Array(value)) {
+                index = serializeBuffer(buffer, key, value, index);
+            }
+            else if (value instanceof RegExp || isRegExp(value)) {
+                index = serializeRegExp(buffer, key, value, index);
+            }
+            else if (type === 'object' && value['_bsontype'] == null) {
+                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, false, path);
+            }
+            else if (type === 'object' && value['_bsontype'] === 'Decimal128') {
+                index = serializeDecimal128(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+                index = serializeLong(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Double') {
+                index = serializeDouble(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Code') {
+                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined);
+            }
+            else if (typeof value === 'function' && serializeFunctions) {
+                index = serializeFunction(buffer, key, value, index, checkKeys, depth, serializeFunctions);
+            }
+            else if (value['_bsontype'] === 'Binary') {
+                index = serializeBinary(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Symbol') {
+                index = serializeSymbol(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'DBRef') {
+                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions);
+            }
+            else if (value['_bsontype'] === 'BSONRegExp') {
+                index = serializeBSONRegExp(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Int32') {
+                index = serializeInt32(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+                index = serializeMinMax(buffer, key, value, index);
+            }
+            else if (typeof value['_bsontype'] !== 'undefined') {
+                throw new BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+            }
+        }
+    }
+    else {
+        if (typeof (object === null || object === void 0 ? void 0 : object.toBSON) === 'function') {
+            // Provided a custom serialization method
+            object = object.toBSON();
+            if (object != null && typeof object !== 'object') {
+                throw new BSONTypeError('toBSON function did not return an object');
+            }
+        }
+        // Iterate over all the keys
+        for (var key in object) {
+            var value = object[key];
+            // Is there an override value
+            if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+                value = value.toBSON();
+            }
+            // Check the type of the value
+            var type = typeof value;
+            // Check the key and throw error if it's illegal
+            if (typeof key === 'string' && !ignoreKeys.has(key)) {
+                if (key.match(regexp) != null) {
+                    // The BSON spec doesn't allow keys with null bytes because keys are
+                    // null-terminated.
+                    throw Error('key ' + key + ' must not contain null bytes');
+                }
+                if (checkKeys) {
+                    if ('$' === key[0]) {
+                        throw Error('key ' + key + " must not start with '$'");
+                    }
+                    else if (~key.indexOf('.')) {
+                        throw Error('key ' + key + " must not contain '.'");
+                    }
+                }
+            }
+            if (type === 'string') {
+                index = serializeString(buffer, key, value, index);
+            }
+            else if (type === 'number') {
+                index = serializeNumber(buffer, key, value, index);
+            }
+            else if (type === 'bigint') {
+                throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+            }
+            else if (type === 'boolean') {
+                index = serializeBoolean(buffer, key, value, index);
+            }
+            else if (value instanceof Date || isDate(value)) {
+                index = serializeDate(buffer, key, value, index);
+            }
+            else if (value === undefined) {
+                if (ignoreUndefined === false)
+                    index = serializeNull(buffer, key, value, index);
+            }
+            else if (value === null) {
+                index = serializeNull(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+                index = serializeObjectId(buffer, key, value, index);
+            }
+            else if (isUint8Array(value)) {
+                index = serializeBuffer(buffer, key, value, index);
+            }
+            else if (value instanceof RegExp || isRegExp(value)) {
+                index = serializeRegExp(buffer, key, value, index);
+            }
+            else if (type === 'object' && value['_bsontype'] == null) {
+                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, false, path);
+            }
+            else if (type === 'object' && value['_bsontype'] === 'Decimal128') {
+                index = serializeDecimal128(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+                index = serializeLong(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Double') {
+                index = serializeDouble(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Code') {
+                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined);
+            }
+            else if (typeof value === 'function' && serializeFunctions) {
+                index = serializeFunction(buffer, key, value, index, checkKeys, depth, serializeFunctions);
+            }
+            else if (value['_bsontype'] === 'Binary') {
+                index = serializeBinary(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Symbol') {
+                index = serializeSymbol(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'DBRef') {
+                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions);
+            }
+            else if (value['_bsontype'] === 'BSONRegExp') {
+                index = serializeBSONRegExp(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Int32') {
+                index = serializeInt32(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+                index = serializeMinMax(buffer, key, value, index);
+            }
+            else if (typeof value['_bsontype'] !== 'undefined') {
+                throw new BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+            }
+        }
+    }
+    // Remove the path
+    path.pop();
+    // Final padding byte for object
+    buffer[index++] = 0x00;
+    // Final size
+    var size = index - startingIndex;
+    // Write the size of the object
+    buffer[startingIndex++] = size & 0xff;
+    buffer[startingIndex++] = (size >> 8) & 0xff;
+    buffer[startingIndex++] = (size >> 16) & 0xff;
+    buffer[startingIndex++] = (size >> 24) & 0xff;
+    return index;
+}
+
+/** @internal */
+// Default Max Size
+var MAXSIZE = 1024 * 1024 * 17;
+// Current Internal Temporary Serialization Buffer
+var buffer = buffer_1.alloc(MAXSIZE);
+/**
+ * Sets the size of the internal serialization buffer.
+ *
+ * @param size - The desired size for the internal serialization buffer
+ * @public
+ */
+function setInternalBufferSize(size) {
+    // Resize the internal serialization buffer if needed
+    if (buffer.length < size) {
+        buffer = buffer_1.alloc(size);
+    }
+}
+/**
+ * Serialize a Javascript object.
+ *
+ * @param object - the Javascript object to serialize.
+ * @returns Buffer object containing the serialized object.
+ * @public
+ */
+function serialize(object, options) {
+    if (options === void 0) { options = {}; }
+    // Unpack the options
+    var checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+    var minInternalBufferSize = typeof options.minInternalBufferSize === 'number' ? options.minInternalBufferSize : MAXSIZE;
+    // Resize the internal serialization buffer if needed
+    if (buffer.length < minInternalBufferSize) {
+        buffer = buffer_1.alloc(minInternalBufferSize);
+    }
+    // Attempt to serialize
+    var serializationIndex = serializeInto(buffer, object, checkKeys, 0, 0, serializeFunctions, ignoreUndefined, []);
+    // Create the final buffer
+    var finishedBuffer = buffer_1.alloc(serializationIndex);
+    // Copy into the finished buffer
+    buffer.copy(finishedBuffer, 0, 0, finishedBuffer.length);
+    // Return the buffer
+    return finishedBuffer;
+}
+/**
+ * Serialize a Javascript object using a predefined Buffer and index into the buffer,
+ * useful when pre-allocating the space for serialization.
+ *
+ * @param object - the Javascript object to serialize.
+ * @param finalBuffer - the Buffer you pre-allocated to store the serialized BSON object.
+ * @returns the index pointing to the last written byte in the buffer.
+ * @public
+ */
+function serializeWithBufferAndIndex(object, finalBuffer, options) {
+    if (options === void 0) { options = {}; }
+    // Unpack the options
+    var checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+    var startIndex = typeof options.index === 'number' ? options.index : 0;
+    // Attempt to serialize
+    var serializationIndex = serializeInto(buffer, object, checkKeys, 0, 0, serializeFunctions, ignoreUndefined);
+    buffer.copy(finalBuffer, startIndex, 0, serializationIndex);
+    // Return the index
+    return startIndex + serializationIndex - 1;
+}
+/**
+ * Deserialize data as BSON.
+ *
+ * @param buffer - the buffer containing the serialized set of BSON documents.
+ * @returns returns the deserialized Javascript Object.
+ * @public
+ */
+function deserialize(buffer, options) {
+    if (options === void 0) { options = {}; }
+    return deserialize$1(buffer instanceof buffer_1 ? buffer : ensureBuffer(buffer), options);
+}
+/**
+ * Calculate the bson size for a passed in Javascript object.
+ *
+ * @param object - the Javascript object to calculate the BSON byte size for
+ * @returns size of BSON object in bytes
+ * @public
+ */
+function calculateObjectSize(object, options) {
+    if (options === void 0) { options = {}; }
+    options = options || {};
+    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+    return calculateObjectSize$1(object, serializeFunctions, ignoreUndefined);
+}
+/**
+ * Deserialize stream data as BSON documents.
+ *
+ * @param data - the buffer containing the serialized set of BSON documents.
+ * @param startIndex - the start index in the data Buffer where the deserialization is to start.
+ * @param numberOfDocuments - number of documents to deserialize.
+ * @param documents - an array where to store the deserialized documents.
+ * @param docStartIndex - the index in the documents array from where to start inserting documents.
+ * @param options - additional options used for the deserialization.
+ * @returns next index in the buffer after deserialization **x** numbers of documents.
+ * @public
+ */
+function deserializeStream(data, startIndex, numberOfDocuments, documents, docStartIndex, options) {
+    var internalOptions = Object.assign({ allowObjectSmallerThanBufferSize: true, index: 0 }, options);
+    var bufferData = ensureBuffer(data);
+    var index = startIndex;
+    // Loop over all documents
+    for (var i = 0; i < numberOfDocuments; i++) {
+        // Find size of the document
+        var size = bufferData[index] |
+            (bufferData[index + 1] << 8) |
+            (bufferData[index + 2] << 16) |
+            (bufferData[index + 3] << 24);
+        // Update options with index
+        internalOptions.index = index;
+        // Parse the document at this point
+        documents[docStartIndex + i] = deserialize$1(bufferData, internalOptions);
+        // Adjust index by the document size
+        index = index + size;
+    }
+    // Return object containing end index of parsing and list of documents
+    return index;
+}
+/**
+ * BSON default export
+ * @deprecated Please use named exports
+ * @privateRemarks
+ * We want to someday deprecate the default export,
+ * so none of the new TS types are being exported on the default
+ * @public
+ */
+var BSON = {
+    Binary: Binary,
+    Code: Code,
+    DBRef: DBRef,
+    Decimal128: Decimal128,
+    Double: Double,
+    Int32: Int32,
+    Long: Long,
+    UUID: UUID,
+    Map: bsonMap,
+    MaxKey: MaxKey,
+    MinKey: MinKey,
+    ObjectId: ObjectId,
+    ObjectID: ObjectId,
+    BSONRegExp: BSONRegExp,
+    BSONSymbol: BSONSymbol,
+    Timestamp: Timestamp,
+    EJSON: EJSON,
+    setInternalBufferSize: setInternalBufferSize,
+    serialize: serialize,
+    serializeWithBufferAndIndex: serializeWithBufferAndIndex,
+    deserialize: deserialize,
+    calculateObjectSize: calculateObjectSize,
+    deserializeStream: deserializeStream,
+    BSONError: BSONError,
+    BSONTypeError: BSONTypeError
+};
+
+export default BSON;
+export { BSONError, BSONRegExp, BSONSymbol, BSONTypeError, BSON_BINARY_SUBTYPE_BYTE_ARRAY, BSON_BINARY_SUBTYPE_COLUMN, BSON_BINARY_SUBTYPE_DEFAULT, BSON_BINARY_SUBTYPE_ENCRYPTED, BSON_BINARY_SUBTYPE_FUNCTION, BSON_BINARY_SUBTYPE_MD5, BSON_BINARY_SUBTYPE_USER_DEFINED, BSON_BINARY_SUBTYPE_UUID, BSON_BINARY_SUBTYPE_UUID_NEW, BSON_DATA_ARRAY, BSON_DATA_BINARY, BSON_DATA_BOOLEAN, BSON_DATA_CODE, BSON_DATA_CODE_W_SCOPE, BSON_DATA_DATE, BSON_DATA_DBPOINTER, BSON_DATA_DECIMAL128, BSON_DATA_INT, BSON_DATA_LONG, BSON_DATA_MAX_KEY, BSON_DATA_MIN_KEY, BSON_DATA_NULL, BSON_DATA_NUMBER, BSON_DATA_OBJECT, BSON_DATA_OID, BSON_DATA_REGEXP, BSON_DATA_STRING, BSON_DATA_SYMBOL, BSON_DATA_TIMESTAMP, BSON_DATA_UNDEFINED, BSON_INT32_MAX$1 as BSON_INT32_MAX, BSON_INT32_MIN$1 as BSON_INT32_MIN, BSON_INT64_MAX$1 as BSON_INT64_MAX, BSON_INT64_MIN$1 as BSON_INT64_MIN, Binary, Code, DBRef, Decimal128, Double, EJSON, Int32, Long, LongWithoutOverridesClass, bsonMap as Map, MaxKey, MinKey, ObjectId as ObjectID, ObjectId, Timestamp, UUID, calculateObjectSize, deserialize, deserializeStream, serialize, serializeWithBufferAndIndex, setInternalBufferSize };
+//# sourceMappingURL=bson.browser.esm.js.map
diff --git a/node_modules/bson/dist/bson.browser.esm.js.map b/node_modules/bson/dist/bson.browser.esm.js.map
new file mode 100644
index 000000000..779cc8cc0
--- /dev/null
+++ b/node_modules/bson/dist/bson.browser.esm.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"bson.browser.esm.js","sources":["../node_modules/base64-js/index.js","../node_modules/ieee754/index.js","../node_modules/buffer/index.js","../node_modules/tslib/tslib.es6.js","../src/error.ts","../src/utils/global.ts","../src/parser/utils.ts","../src/ensure_buffer.ts","../src/uuid_utils.ts","../src/constants.ts","../src/binary.ts","../src/code.ts","../src/db_ref.ts","../src/long.ts","../src/decimal128.ts","../src/double.ts","../src/int_32.ts","../src/max_key.ts","../src/min_key.ts","../src/objectid.ts","../src/regexp.ts","../src/symbol.ts","../src/timestamp.ts","../src/extended_json.ts","../src/map.ts","../src/parser/calculate_size.ts","../src/validate_utf8.ts","../src/parser/deserializer.ts","../src/parser/serializer.ts","../src/bson.ts"],"sourcesContent":["'use strict'\n\nexports.byteLength = byteLength\nexports.toByteArray = toByteArray\nexports.fromByteArray = fromByteArray\n\nvar lookup = []\nvar revLookup = []\nvar Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array\n\nvar code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'\nfor (var i = 0, len = code.length; i < len; ++i) {\n  lookup[i] = code[i]\n  revLookup[code.charCodeAt(i)] = i\n}\n\n// Support decoding URL-safe base64 strings, as Node.js does.\n// See: https://en.wikipedia.org/wiki/Base64#URL_applications\nrevLookup['-'.charCodeAt(0)] = 62\nrevLookup['_'.charCodeAt(0)] = 63\n\nfunction getLens (b64) {\n  var len = b64.length\n\n  if (len % 4 > 0) {\n    throw new Error('Invalid string. Length must be a multiple of 4')\n  }\n\n  // Trim off extra bytes after placeholder bytes are found\n  // See: https://github.com/beatgammit/base64-js/issues/42\n  var validLen = b64.indexOf('=')\n  if (validLen === -1) validLen = len\n\n  var placeHoldersLen = validLen === len\n    ? 0\n    : 4 - (validLen % 4)\n\n  return [validLen, placeHoldersLen]\n}\n\n// base64 is 4/3 + up to two characters of the original data\nfunction byteLength (b64) {\n  var lens = getLens(b64)\n  var validLen = lens[0]\n  var placeHoldersLen = lens[1]\n  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen\n}\n\nfunction _byteLength (b64, validLen, placeHoldersLen) {\n  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen\n}\n\nfunction toByteArray (b64) {\n  var tmp\n  var lens = getLens(b64)\n  var validLen = lens[0]\n  var placeHoldersLen = lens[1]\n\n  var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen))\n\n  var curByte = 0\n\n  // if there are placeholders, only get up to the last complete 4 chars\n  var len = placeHoldersLen > 0\n    ? validLen - 4\n    : validLen\n\n  var i\n  for (i = 0; i < len; i += 4) {\n    tmp =\n      (revLookup[b64.charCodeAt(i)] << 18) |\n      (revLookup[b64.charCodeAt(i + 1)] << 12) |\n      (revLookup[b64.charCodeAt(i + 2)] << 6) |\n      revLookup[b64.charCodeAt(i + 3)]\n    arr[curByte++] = (tmp >> 16) & 0xFF\n    arr[curByte++] = (tmp >> 8) & 0xFF\n    arr[curByte++] = tmp & 0xFF\n  }\n\n  if (placeHoldersLen === 2) {\n    tmp =\n      (revLookup[b64.charCodeAt(i)] << 2) |\n      (revLookup[b64.charCodeAt(i + 1)] >> 4)\n    arr[curByte++] = tmp & 0xFF\n  }\n\n  if (placeHoldersLen === 1) {\n    tmp =\n      (revLookup[b64.charCodeAt(i)] << 10) |\n      (revLookup[b64.charCodeAt(i + 1)] << 4) |\n      (revLookup[b64.charCodeAt(i + 2)] >> 2)\n    arr[curByte++] = (tmp >> 8) & 0xFF\n    arr[curByte++] = tmp & 0xFF\n  }\n\n  return arr\n}\n\nfunction tripletToBase64 (num) {\n  return lookup[num >> 18 & 0x3F] +\n    lookup[num >> 12 & 0x3F] +\n    lookup[num >> 6 & 0x3F] +\n    lookup[num & 0x3F]\n}\n\nfunction encodeChunk (uint8, start, end) {\n  var tmp\n  var output = []\n  for (var i = start; i < end; i += 3) {\n    tmp =\n      ((uint8[i] << 16) & 0xFF0000) +\n      ((uint8[i + 1] << 8) & 0xFF00) +\n      (uint8[i + 2] & 0xFF)\n    output.push(tripletToBase64(tmp))\n  }\n  return output.join('')\n}\n\nfunction fromByteArray (uint8) {\n  var tmp\n  var len = uint8.length\n  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes\n  var parts = []\n  var maxChunkLength = 16383 // must be multiple of 3\n\n  // go through the array every three bytes, we'll deal with trailing stuff later\n  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {\n    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))\n  }\n\n  // pad the end with zeros, but make sure to not forget the extra bytes\n  if (extraBytes === 1) {\n    tmp = uint8[len - 1]\n    parts.push(\n      lookup[tmp >> 2] +\n      lookup[(tmp << 4) & 0x3F] +\n      '=='\n    )\n  } else if (extraBytes === 2) {\n    tmp = (uint8[len - 2] << 8) + uint8[len - 1]\n    parts.push(\n      lookup[tmp >> 10] +\n      lookup[(tmp >> 4) & 0x3F] +\n      lookup[(tmp << 2) & 0x3F] +\n      '='\n    )\n  }\n\n  return parts.join('')\n}\n","/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */\nexports.read = function (buffer, offset, isLE, mLen, nBytes) {\n  var e, m\n  var eLen = (nBytes * 8) - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var nBits = -7\n  var i = isLE ? (nBytes - 1) : 0\n  var d = isLE ? -1 : 1\n  var s = buffer[offset + i]\n\n  i += d\n\n  e = s & ((1 << (-nBits)) - 1)\n  s >>= (-nBits)\n  nBits += eLen\n  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}\n\n  m = e & ((1 << (-nBits)) - 1)\n  e >>= (-nBits)\n  nBits += mLen\n  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}\n\n  if (e === 0) {\n    e = 1 - eBias\n  } else if (e === eMax) {\n    return m ? NaN : ((s ? -1 : 1) * Infinity)\n  } else {\n    m = m + Math.pow(2, mLen)\n    e = e - eBias\n  }\n  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)\n}\n\nexports.write = function (buffer, value, offset, isLE, mLen, nBytes) {\n  var e, m, c\n  var eLen = (nBytes * 8) - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)\n  var i = isLE ? 0 : (nBytes - 1)\n  var d = isLE ? 1 : -1\n  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0\n\n  value = Math.abs(value)\n\n  if (isNaN(value) || value === Infinity) {\n    m = isNaN(value) ? 1 : 0\n    e = eMax\n  } else {\n    e = Math.floor(Math.log(value) / Math.LN2)\n    if (value * (c = Math.pow(2, -e)) < 1) {\n      e--\n      c *= 2\n    }\n    if (e + eBias >= 1) {\n      value += rt / c\n    } else {\n      value += rt * Math.pow(2, 1 - eBias)\n    }\n    if (value * c >= 2) {\n      e++\n      c /= 2\n    }\n\n    if (e + eBias >= eMax) {\n      m = 0\n      e = eMax\n    } else if (e + eBias >= 1) {\n      m = ((value * c) - 1) * Math.pow(2, mLen)\n      e = e + eBias\n    } else {\n      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)\n      e = 0\n    }\n  }\n\n  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}\n\n  e = (e << mLen) | m\n  eLen += mLen\n  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}\n\n  buffer[offset + i - d] |= s * 128\n}\n","/*!\n * The buffer module from node.js, for the browser.\n *\n * @author   Feross Aboukhadijeh <https://feross.org>\n * @license  MIT\n */\n/* eslint-disable no-proto */\n\n'use strict'\n\nvar base64 = require('base64-js')\nvar ieee754 = require('ieee754')\nvar customInspectSymbol =\n  (typeof Symbol === 'function' && typeof Symbol['for'] === 'function') // eslint-disable-line dot-notation\n    ? Symbol['for']('nodejs.util.inspect.custom') // eslint-disable-line dot-notation\n    : null\n\nexports.Buffer = Buffer\nexports.SlowBuffer = SlowBuffer\nexports.INSPECT_MAX_BYTES = 50\n\nvar K_MAX_LENGTH = 0x7fffffff\nexports.kMaxLength = K_MAX_LENGTH\n\n/**\n * If `Buffer.TYPED_ARRAY_SUPPORT`:\n *   === true    Use Uint8Array implementation (fastest)\n *   === false   Print warning and recommend using `buffer` v4.x which has an Object\n *               implementation (most compatible, even IE6)\n *\n * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,\n * Opera 11.6+, iOS 4.2+.\n *\n * We report that the browser does not support typed arrays if the are not subclassable\n * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`\n * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support\n * for __proto__ and has a buggy typed array implementation.\n */\nBuffer.TYPED_ARRAY_SUPPORT = typedArraySupport()\n\nif (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&\n    typeof console.error === 'function') {\n  console.error(\n    'This browser lacks typed array (Uint8Array) support which is required by ' +\n    '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'\n  )\n}\n\nfunction typedArraySupport () {\n  // Can typed array instances can be augmented?\n  try {\n    var arr = new Uint8Array(1)\n    var proto = { foo: function () { return 42 } }\n    Object.setPrototypeOf(proto, Uint8Array.prototype)\n    Object.setPrototypeOf(arr, proto)\n    return arr.foo() === 42\n  } catch (e) {\n    return false\n  }\n}\n\nObject.defineProperty(Buffer.prototype, 'parent', {\n  enumerable: true,\n  get: function () {\n    if (!Buffer.isBuffer(this)) return undefined\n    return this.buffer\n  }\n})\n\nObject.defineProperty(Buffer.prototype, 'offset', {\n  enumerable: true,\n  get: function () {\n    if (!Buffer.isBuffer(this)) return undefined\n    return this.byteOffset\n  }\n})\n\nfunction createBuffer (length) {\n  if (length > K_MAX_LENGTH) {\n    throw new RangeError('The value \"' + length + '\" is invalid for option \"size\"')\n  }\n  // Return an augmented `Uint8Array` instance\n  var buf = new Uint8Array(length)\n  Object.setPrototypeOf(buf, Buffer.prototype)\n  return buf\n}\n\n/**\n * The Buffer constructor returns instances of `Uint8Array` that have their\n * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of\n * `Uint8Array`, so the returned instances will have all the node `Buffer` methods\n * and the `Uint8Array` methods. Square bracket notation works as expected -- it\n * returns a single octet.\n *\n * The `Uint8Array` prototype remains unmodified.\n */\n\nfunction Buffer (arg, encodingOrOffset, length) {\n  // Common case.\n  if (typeof arg === 'number') {\n    if (typeof encodingOrOffset === 'string') {\n      throw new TypeError(\n        'The \"string\" argument must be of type string. Received type number'\n      )\n    }\n    return allocUnsafe(arg)\n  }\n  return from(arg, encodingOrOffset, length)\n}\n\nBuffer.poolSize = 8192 // not used by this implementation\n\nfunction from (value, encodingOrOffset, length) {\n  if (typeof value === 'string') {\n    return fromString(value, encodingOrOffset)\n  }\n\n  if (ArrayBuffer.isView(value)) {\n    return fromArrayView(value)\n  }\n\n  if (value == null) {\n    throw new TypeError(\n      'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +\n      'or Array-like Object. Received type ' + (typeof value)\n    )\n  }\n\n  if (isInstance(value, ArrayBuffer) ||\n      (value && isInstance(value.buffer, ArrayBuffer))) {\n    return fromArrayBuffer(value, encodingOrOffset, length)\n  }\n\n  if (typeof SharedArrayBuffer !== 'undefined' &&\n      (isInstance(value, SharedArrayBuffer) ||\n      (value && isInstance(value.buffer, SharedArrayBuffer)))) {\n    return fromArrayBuffer(value, encodingOrOffset, length)\n  }\n\n  if (typeof value === 'number') {\n    throw new TypeError(\n      'The \"value\" argument must not be of type number. Received type number'\n    )\n  }\n\n  var valueOf = value.valueOf && value.valueOf()\n  if (valueOf != null && valueOf !== value) {\n    return Buffer.from(valueOf, encodingOrOffset, length)\n  }\n\n  var b = fromObject(value)\n  if (b) return b\n\n  if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null &&\n      typeof value[Symbol.toPrimitive] === 'function') {\n    return Buffer.from(\n      value[Symbol.toPrimitive]('string'), encodingOrOffset, length\n    )\n  }\n\n  throw new TypeError(\n    'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +\n    'or Array-like Object. Received type ' + (typeof value)\n  )\n}\n\n/**\n * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError\n * if value is a number.\n * Buffer.from(str[, encoding])\n * Buffer.from(array)\n * Buffer.from(buffer)\n * Buffer.from(arrayBuffer[, byteOffset[, length]])\n **/\nBuffer.from = function (value, encodingOrOffset, length) {\n  return from(value, encodingOrOffset, length)\n}\n\n// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:\n// https://github.com/feross/buffer/pull/148\nObject.setPrototypeOf(Buffer.prototype, Uint8Array.prototype)\nObject.setPrototypeOf(Buffer, Uint8Array)\n\nfunction assertSize (size) {\n  if (typeof size !== 'number') {\n    throw new TypeError('\"size\" argument must be of type number')\n  } else if (size < 0) {\n    throw new RangeError('The value \"' + size + '\" is invalid for option \"size\"')\n  }\n}\n\nfunction alloc (size, fill, encoding) {\n  assertSize(size)\n  if (size <= 0) {\n    return createBuffer(size)\n  }\n  if (fill !== undefined) {\n    // Only pay attention to encoding if it's a string. This\n    // prevents accidentally sending in a number that would\n    // be interpreted as a start offset.\n    return typeof encoding === 'string'\n      ? createBuffer(size).fill(fill, encoding)\n      : createBuffer(size).fill(fill)\n  }\n  return createBuffer(size)\n}\n\n/**\n * Creates a new filled Buffer instance.\n * alloc(size[, fill[, encoding]])\n **/\nBuffer.alloc = function (size, fill, encoding) {\n  return alloc(size, fill, encoding)\n}\n\nfunction allocUnsafe (size) {\n  assertSize(size)\n  return createBuffer(size < 0 ? 0 : checked(size) | 0)\n}\n\n/**\n * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.\n * */\nBuffer.allocUnsafe = function (size) {\n  return allocUnsafe(size)\n}\n/**\n * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.\n */\nBuffer.allocUnsafeSlow = function (size) {\n  return allocUnsafe(size)\n}\n\nfunction fromString (string, encoding) {\n  if (typeof encoding !== 'string' || encoding === '') {\n    encoding = 'utf8'\n  }\n\n  if (!Buffer.isEncoding(encoding)) {\n    throw new TypeError('Unknown encoding: ' + encoding)\n  }\n\n  var length = byteLength(string, encoding) | 0\n  var buf = createBuffer(length)\n\n  var actual = buf.write(string, encoding)\n\n  if (actual !== length) {\n    // Writing a hex string, for example, that contains invalid characters will\n    // cause everything after the first invalid character to be ignored. (e.g.\n    // 'abxxcd' will be treated as 'ab')\n    buf = buf.slice(0, actual)\n  }\n\n  return buf\n}\n\nfunction fromArrayLike (array) {\n  var length = array.length < 0 ? 0 : checked(array.length) | 0\n  var buf = createBuffer(length)\n  for (var i = 0; i < length; i += 1) {\n    buf[i] = array[i] & 255\n  }\n  return buf\n}\n\nfunction fromArrayView (arrayView) {\n  if (isInstance(arrayView, Uint8Array)) {\n    var copy = new Uint8Array(arrayView)\n    return fromArrayBuffer(copy.buffer, copy.byteOffset, copy.byteLength)\n  }\n  return fromArrayLike(arrayView)\n}\n\nfunction fromArrayBuffer (array, byteOffset, length) {\n  if (byteOffset < 0 || array.byteLength < byteOffset) {\n    throw new RangeError('\"offset\" is outside of buffer bounds')\n  }\n\n  if (array.byteLength < byteOffset + (length || 0)) {\n    throw new RangeError('\"length\" is outside of buffer bounds')\n  }\n\n  var buf\n  if (byteOffset === undefined && length === undefined) {\n    buf = new Uint8Array(array)\n  } else if (length === undefined) {\n    buf = new Uint8Array(array, byteOffset)\n  } else {\n    buf = new Uint8Array(array, byteOffset, length)\n  }\n\n  // Return an augmented `Uint8Array` instance\n  Object.setPrototypeOf(buf, Buffer.prototype)\n\n  return buf\n}\n\nfunction fromObject (obj) {\n  if (Buffer.isBuffer(obj)) {\n    var len = checked(obj.length) | 0\n    var buf = createBuffer(len)\n\n    if (buf.length === 0) {\n      return buf\n    }\n\n    obj.copy(buf, 0, 0, len)\n    return buf\n  }\n\n  if (obj.length !== undefined) {\n    if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {\n      return createBuffer(0)\n    }\n    return fromArrayLike(obj)\n  }\n\n  if (obj.type === 'Buffer' && Array.isArray(obj.data)) {\n    return fromArrayLike(obj.data)\n  }\n}\n\nfunction checked (length) {\n  // Note: cannot use `length < K_MAX_LENGTH` here because that fails when\n  // length is NaN (which is otherwise coerced to zero.)\n  if (length >= K_MAX_LENGTH) {\n    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +\n                         'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')\n  }\n  return length | 0\n}\n\nfunction SlowBuffer (length) {\n  if (+length != length) { // eslint-disable-line eqeqeq\n    length = 0\n  }\n  return Buffer.alloc(+length)\n}\n\nBuffer.isBuffer = function isBuffer (b) {\n  return b != null && b._isBuffer === true &&\n    b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false\n}\n\nBuffer.compare = function compare (a, b) {\n  if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength)\n  if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength)\n  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {\n    throw new TypeError(\n      'The \"buf1\", \"buf2\" arguments must be one of type Buffer or Uint8Array'\n    )\n  }\n\n  if (a === b) return 0\n\n  var x = a.length\n  var y = b.length\n\n  for (var i = 0, len = Math.min(x, y); i < len; ++i) {\n    if (a[i] !== b[i]) {\n      x = a[i]\n      y = b[i]\n      break\n    }\n  }\n\n  if (x < y) return -1\n  if (y < x) return 1\n  return 0\n}\n\nBuffer.isEncoding = function isEncoding (encoding) {\n  switch (String(encoding).toLowerCase()) {\n    case 'hex':\n    case 'utf8':\n    case 'utf-8':\n    case 'ascii':\n    case 'latin1':\n    case 'binary':\n    case 'base64':\n    case 'ucs2':\n    case 'ucs-2':\n    case 'utf16le':\n    case 'utf-16le':\n      return true\n    default:\n      return false\n  }\n}\n\nBuffer.concat = function concat (list, length) {\n  if (!Array.isArray(list)) {\n    throw new TypeError('\"list\" argument must be an Array of Buffers')\n  }\n\n  if (list.length === 0) {\n    return Buffer.alloc(0)\n  }\n\n  var i\n  if (length === undefined) {\n    length = 0\n    for (i = 0; i < list.length; ++i) {\n      length += list[i].length\n    }\n  }\n\n  var buffer = Buffer.allocUnsafe(length)\n  var pos = 0\n  for (i = 0; i < list.length; ++i) {\n    var buf = list[i]\n    if (isInstance(buf, Uint8Array)) {\n      if (pos + buf.length > buffer.length) {\n        Buffer.from(buf).copy(buffer, pos)\n      } else {\n        Uint8Array.prototype.set.call(\n          buffer,\n          buf,\n          pos\n        )\n      }\n    } else if (!Buffer.isBuffer(buf)) {\n      throw new TypeError('\"list\" argument must be an Array of Buffers')\n    } else {\n      buf.copy(buffer, pos)\n    }\n    pos += buf.length\n  }\n  return buffer\n}\n\nfunction byteLength (string, encoding) {\n  if (Buffer.isBuffer(string)) {\n    return string.length\n  }\n  if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {\n    return string.byteLength\n  }\n  if (typeof string !== 'string') {\n    throw new TypeError(\n      'The \"string\" argument must be one of type string, Buffer, or ArrayBuffer. ' +\n      'Received type ' + typeof string\n    )\n  }\n\n  var len = string.length\n  var mustMatch = (arguments.length > 2 && arguments[2] === true)\n  if (!mustMatch && len === 0) return 0\n\n  // Use a for loop to avoid recursion\n  var loweredCase = false\n  for (;;) {\n    switch (encoding) {\n      case 'ascii':\n      case 'latin1':\n      case 'binary':\n        return len\n      case 'utf8':\n      case 'utf-8':\n        return utf8ToBytes(string).length\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return len * 2\n      case 'hex':\n        return len >>> 1\n      case 'base64':\n        return base64ToBytes(string).length\n      default:\n        if (loweredCase) {\n          return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8\n        }\n        encoding = ('' + encoding).toLowerCase()\n        loweredCase = true\n    }\n  }\n}\nBuffer.byteLength = byteLength\n\nfunction slowToString (encoding, start, end) {\n  var loweredCase = false\n\n  // No need to verify that \"this.length <= MAX_UINT32\" since it's a read-only\n  // property of a typed array.\n\n  // This behaves neither like String nor Uint8Array in that we set start/end\n  // to their upper/lower bounds if the value passed is out of range.\n  // undefined is handled specially as per ECMA-262 6th Edition,\n  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.\n  if (start === undefined || start < 0) {\n    start = 0\n  }\n  // Return early if start > this.length. Done here to prevent potential uint32\n  // coercion fail below.\n  if (start > this.length) {\n    return ''\n  }\n\n  if (end === undefined || end > this.length) {\n    end = this.length\n  }\n\n  if (end <= 0) {\n    return ''\n  }\n\n  // Force coercion to uint32. This will also coerce falsey/NaN values to 0.\n  end >>>= 0\n  start >>>= 0\n\n  if (end <= start) {\n    return ''\n  }\n\n  if (!encoding) encoding = 'utf8'\n\n  while (true) {\n    switch (encoding) {\n      case 'hex':\n        return hexSlice(this, start, end)\n\n      case 'utf8':\n      case 'utf-8':\n        return utf8Slice(this, start, end)\n\n      case 'ascii':\n        return asciiSlice(this, start, end)\n\n      case 'latin1':\n      case 'binary':\n        return latin1Slice(this, start, end)\n\n      case 'base64':\n        return base64Slice(this, start, end)\n\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return utf16leSlice(this, start, end)\n\n      default:\n        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n        encoding = (encoding + '').toLowerCase()\n        loweredCase = true\n    }\n  }\n}\n\n// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)\n// to detect a Buffer instance. It's not possible to use `instanceof Buffer`\n// reliably in a browserify context because there could be multiple different\n// copies of the 'buffer' package in use. This method works even for Buffer\n// instances that were created from another copy of the `buffer` package.\n// See: https://github.com/feross/buffer/issues/154\nBuffer.prototype._isBuffer = true\n\nfunction swap (b, n, m) {\n  var i = b[n]\n  b[n] = b[m]\n  b[m] = i\n}\n\nBuffer.prototype.swap16 = function swap16 () {\n  var len = this.length\n  if (len % 2 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 16-bits')\n  }\n  for (var i = 0; i < len; i += 2) {\n    swap(this, i, i + 1)\n  }\n  return this\n}\n\nBuffer.prototype.swap32 = function swap32 () {\n  var len = this.length\n  if (len % 4 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 32-bits')\n  }\n  for (var i = 0; i < len; i += 4) {\n    swap(this, i, i + 3)\n    swap(this, i + 1, i + 2)\n  }\n  return this\n}\n\nBuffer.prototype.swap64 = function swap64 () {\n  var len = this.length\n  if (len % 8 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 64-bits')\n  }\n  for (var i = 0; i < len; i += 8) {\n    swap(this, i, i + 7)\n    swap(this, i + 1, i + 6)\n    swap(this, i + 2, i + 5)\n    swap(this, i + 3, i + 4)\n  }\n  return this\n}\n\nBuffer.prototype.toString = function toString () {\n  var length = this.length\n  if (length === 0) return ''\n  if (arguments.length === 0) return utf8Slice(this, 0, length)\n  return slowToString.apply(this, arguments)\n}\n\nBuffer.prototype.toLocaleString = Buffer.prototype.toString\n\nBuffer.prototype.equals = function equals (b) {\n  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')\n  if (this === b) return true\n  return Buffer.compare(this, b) === 0\n}\n\nBuffer.prototype.inspect = function inspect () {\n  var str = ''\n  var max = exports.INSPECT_MAX_BYTES\n  str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim()\n  if (this.length > max) str += ' ... '\n  return '<Buffer ' + str + '>'\n}\nif (customInspectSymbol) {\n  Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect\n}\n\nBuffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {\n  if (isInstance(target, Uint8Array)) {\n    target = Buffer.from(target, target.offset, target.byteLength)\n  }\n  if (!Buffer.isBuffer(target)) {\n    throw new TypeError(\n      'The \"target\" argument must be one of type Buffer or Uint8Array. ' +\n      'Received type ' + (typeof target)\n    )\n  }\n\n  if (start === undefined) {\n    start = 0\n  }\n  if (end === undefined) {\n    end = target ? target.length : 0\n  }\n  if (thisStart === undefined) {\n    thisStart = 0\n  }\n  if (thisEnd === undefined) {\n    thisEnd = this.length\n  }\n\n  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {\n    throw new RangeError('out of range index')\n  }\n\n  if (thisStart >= thisEnd && start >= end) {\n    return 0\n  }\n  if (thisStart >= thisEnd) {\n    return -1\n  }\n  if (start >= end) {\n    return 1\n  }\n\n  start >>>= 0\n  end >>>= 0\n  thisStart >>>= 0\n  thisEnd >>>= 0\n\n  if (this === target) return 0\n\n  var x = thisEnd - thisStart\n  var y = end - start\n  var len = Math.min(x, y)\n\n  var thisCopy = this.slice(thisStart, thisEnd)\n  var targetCopy = target.slice(start, end)\n\n  for (var i = 0; i < len; ++i) {\n    if (thisCopy[i] !== targetCopy[i]) {\n      x = thisCopy[i]\n      y = targetCopy[i]\n      break\n    }\n  }\n\n  if (x < y) return -1\n  if (y < x) return 1\n  return 0\n}\n\n// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,\n// OR the last index of `val` in `buffer` at offset <= `byteOffset`.\n//\n// Arguments:\n// - buffer - a Buffer to search\n// - val - a string, Buffer, or number\n// - byteOffset - an index into `buffer`; will be clamped to an int32\n// - encoding - an optional encoding, relevant is val is a string\n// - dir - true for indexOf, false for lastIndexOf\nfunction bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {\n  // Empty buffer means no match\n  if (buffer.length === 0) return -1\n\n  // Normalize byteOffset\n  if (typeof byteOffset === 'string') {\n    encoding = byteOffset\n    byteOffset = 0\n  } else if (byteOffset > 0x7fffffff) {\n    byteOffset = 0x7fffffff\n  } else if (byteOffset < -0x80000000) {\n    byteOffset = -0x80000000\n  }\n  byteOffset = +byteOffset // Coerce to Number.\n  if (numberIsNaN(byteOffset)) {\n    // byteOffset: it it's undefined, null, NaN, \"foo\", etc, search whole buffer\n    byteOffset = dir ? 0 : (buffer.length - 1)\n  }\n\n  // Normalize byteOffset: negative offsets start from the end of the buffer\n  if (byteOffset < 0) byteOffset = buffer.length + byteOffset\n  if (byteOffset >= buffer.length) {\n    if (dir) return -1\n    else byteOffset = buffer.length - 1\n  } else if (byteOffset < 0) {\n    if (dir) byteOffset = 0\n    else return -1\n  }\n\n  // Normalize val\n  if (typeof val === 'string') {\n    val = Buffer.from(val, encoding)\n  }\n\n  // Finally, search either indexOf (if dir is true) or lastIndexOf\n  if (Buffer.isBuffer(val)) {\n    // Special case: looking for empty string/buffer always fails\n    if (val.length === 0) {\n      return -1\n    }\n    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)\n  } else if (typeof val === 'number') {\n    val = val & 0xFF // Search for a byte value [0-255]\n    if (typeof Uint8Array.prototype.indexOf === 'function') {\n      if (dir) {\n        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)\n      } else {\n        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)\n      }\n    }\n    return arrayIndexOf(buffer, [val], byteOffset, encoding, dir)\n  }\n\n  throw new TypeError('val must be string, number or Buffer')\n}\n\nfunction arrayIndexOf (arr, val, byteOffset, encoding, dir) {\n  var indexSize = 1\n  var arrLength = arr.length\n  var valLength = val.length\n\n  if (encoding !== undefined) {\n    encoding = String(encoding).toLowerCase()\n    if (encoding === 'ucs2' || encoding === 'ucs-2' ||\n        encoding === 'utf16le' || encoding === 'utf-16le') {\n      if (arr.length < 2 || val.length < 2) {\n        return -1\n      }\n      indexSize = 2\n      arrLength /= 2\n      valLength /= 2\n      byteOffset /= 2\n    }\n  }\n\n  function read (buf, i) {\n    if (indexSize === 1) {\n      return buf[i]\n    } else {\n      return buf.readUInt16BE(i * indexSize)\n    }\n  }\n\n  var i\n  if (dir) {\n    var foundIndex = -1\n    for (i = byteOffset; i < arrLength; i++) {\n      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {\n        if (foundIndex === -1) foundIndex = i\n        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize\n      } else {\n        if (foundIndex !== -1) i -= i - foundIndex\n        foundIndex = -1\n      }\n    }\n  } else {\n    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength\n    for (i = byteOffset; i >= 0; i--) {\n      var found = true\n      for (var j = 0; j < valLength; j++) {\n        if (read(arr, i + j) !== read(val, j)) {\n          found = false\n          break\n        }\n      }\n      if (found) return i\n    }\n  }\n\n  return -1\n}\n\nBuffer.prototype.includes = function includes (val, byteOffset, encoding) {\n  return this.indexOf(val, byteOffset, encoding) !== -1\n}\n\nBuffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {\n  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)\n}\n\nBuffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {\n  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)\n}\n\nfunction hexWrite (buf, string, offset, length) {\n  offset = Number(offset) || 0\n  var remaining = buf.length - offset\n  if (!length) {\n    length = remaining\n  } else {\n    length = Number(length)\n    if (length > remaining) {\n      length = remaining\n    }\n  }\n\n  var strLen = string.length\n\n  if (length > strLen / 2) {\n    length = strLen / 2\n  }\n  for (var i = 0; i < length; ++i) {\n    var parsed = parseInt(string.substr(i * 2, 2), 16)\n    if (numberIsNaN(parsed)) return i\n    buf[offset + i] = parsed\n  }\n  return i\n}\n\nfunction utf8Write (buf, string, offset, length) {\n  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nfunction asciiWrite (buf, string, offset, length) {\n  return blitBuffer(asciiToBytes(string), buf, offset, length)\n}\n\nfunction base64Write (buf, string, offset, length) {\n  return blitBuffer(base64ToBytes(string), buf, offset, length)\n}\n\nfunction ucs2Write (buf, string, offset, length) {\n  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nBuffer.prototype.write = function write (string, offset, length, encoding) {\n  // Buffer#write(string)\n  if (offset === undefined) {\n    encoding = 'utf8'\n    length = this.length\n    offset = 0\n  // Buffer#write(string, encoding)\n  } else if (length === undefined && typeof offset === 'string') {\n    encoding = offset\n    length = this.length\n    offset = 0\n  // Buffer#write(string, offset[, length][, encoding])\n  } else if (isFinite(offset)) {\n    offset = offset >>> 0\n    if (isFinite(length)) {\n      length = length >>> 0\n      if (encoding === undefined) encoding = 'utf8'\n    } else {\n      encoding = length\n      length = undefined\n    }\n  } else {\n    throw new Error(\n      'Buffer.write(string, encoding, offset[, length]) is no longer supported'\n    )\n  }\n\n  var remaining = this.length - offset\n  if (length === undefined || length > remaining) length = remaining\n\n  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {\n    throw new RangeError('Attempt to write outside buffer bounds')\n  }\n\n  if (!encoding) encoding = 'utf8'\n\n  var loweredCase = false\n  for (;;) {\n    switch (encoding) {\n      case 'hex':\n        return hexWrite(this, string, offset, length)\n\n      case 'utf8':\n      case 'utf-8':\n        return utf8Write(this, string, offset, length)\n\n      case 'ascii':\n      case 'latin1':\n      case 'binary':\n        return asciiWrite(this, string, offset, length)\n\n      case 'base64':\n        // Warning: maxLength not taken into account in base64Write\n        return base64Write(this, string, offset, length)\n\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return ucs2Write(this, string, offset, length)\n\n      default:\n        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n        encoding = ('' + encoding).toLowerCase()\n        loweredCase = true\n    }\n  }\n}\n\nBuffer.prototype.toJSON = function toJSON () {\n  return {\n    type: 'Buffer',\n    data: Array.prototype.slice.call(this._arr || this, 0)\n  }\n}\n\nfunction base64Slice (buf, start, end) {\n  if (start === 0 && end === buf.length) {\n    return base64.fromByteArray(buf)\n  } else {\n    return base64.fromByteArray(buf.slice(start, end))\n  }\n}\n\nfunction utf8Slice (buf, start, end) {\n  end = Math.min(buf.length, end)\n  var res = []\n\n  var i = start\n  while (i < end) {\n    var firstByte = buf[i]\n    var codePoint = null\n    var bytesPerSequence = (firstByte > 0xEF)\n      ? 4\n      : (firstByte > 0xDF)\n          ? 3\n          : (firstByte > 0xBF)\n              ? 2\n              : 1\n\n    if (i + bytesPerSequence <= end) {\n      var secondByte, thirdByte, fourthByte, tempCodePoint\n\n      switch (bytesPerSequence) {\n        case 1:\n          if (firstByte < 0x80) {\n            codePoint = firstByte\n          }\n          break\n        case 2:\n          secondByte = buf[i + 1]\n          if ((secondByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)\n            if (tempCodePoint > 0x7F) {\n              codePoint = tempCodePoint\n            }\n          }\n          break\n        case 3:\n          secondByte = buf[i + 1]\n          thirdByte = buf[i + 2]\n          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)\n            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {\n              codePoint = tempCodePoint\n            }\n          }\n          break\n        case 4:\n          secondByte = buf[i + 1]\n          thirdByte = buf[i + 2]\n          fourthByte = buf[i + 3]\n          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)\n            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {\n              codePoint = tempCodePoint\n            }\n          }\n      }\n    }\n\n    if (codePoint === null) {\n      // we did not generate a valid codePoint so insert a\n      // replacement char (U+FFFD) and advance only 1 byte\n      codePoint = 0xFFFD\n      bytesPerSequence = 1\n    } else if (codePoint > 0xFFFF) {\n      // encode to utf16 (surrogate pair dance)\n      codePoint -= 0x10000\n      res.push(codePoint >>> 10 & 0x3FF | 0xD800)\n      codePoint = 0xDC00 | codePoint & 0x3FF\n    }\n\n    res.push(codePoint)\n    i += bytesPerSequence\n  }\n\n  return decodeCodePointsArray(res)\n}\n\n// Based on http://stackoverflow.com/a/22747272/680742, the browser with\n// the lowest limit is Chrome, with 0x10000 args.\n// We go 1 magnitude less, for safety\nvar MAX_ARGUMENTS_LENGTH = 0x1000\n\nfunction decodeCodePointsArray (codePoints) {\n  var len = codePoints.length\n  if (len <= MAX_ARGUMENTS_LENGTH) {\n    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()\n  }\n\n  // Decode in chunks to avoid \"call stack size exceeded\".\n  var res = ''\n  var i = 0\n  while (i < len) {\n    res += String.fromCharCode.apply(\n      String,\n      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)\n    )\n  }\n  return res\n}\n\nfunction asciiSlice (buf, start, end) {\n  var ret = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; ++i) {\n    ret += String.fromCharCode(buf[i] & 0x7F)\n  }\n  return ret\n}\n\nfunction latin1Slice (buf, start, end) {\n  var ret = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; ++i) {\n    ret += String.fromCharCode(buf[i])\n  }\n  return ret\n}\n\nfunction hexSlice (buf, start, end) {\n  var len = buf.length\n\n  if (!start || start < 0) start = 0\n  if (!end || end < 0 || end > len) end = len\n\n  var out = ''\n  for (var i = start; i < end; ++i) {\n    out += hexSliceLookupTable[buf[i]]\n  }\n  return out\n}\n\nfunction utf16leSlice (buf, start, end) {\n  var bytes = buf.slice(start, end)\n  var res = ''\n  // If bytes.length is odd, the last 8 bits must be ignored (same as node.js)\n  for (var i = 0; i < bytes.length - 1; i += 2) {\n    res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))\n  }\n  return res\n}\n\nBuffer.prototype.slice = function slice (start, end) {\n  var len = this.length\n  start = ~~start\n  end = end === undefined ? len : ~~end\n\n  if (start < 0) {\n    start += len\n    if (start < 0) start = 0\n  } else if (start > len) {\n    start = len\n  }\n\n  if (end < 0) {\n    end += len\n    if (end < 0) end = 0\n  } else if (end > len) {\n    end = len\n  }\n\n  if (end < start) end = start\n\n  var newBuf = this.subarray(start, end)\n  // Return an augmented `Uint8Array` instance\n  Object.setPrototypeOf(newBuf, Buffer.prototype)\n\n  return newBuf\n}\n\n/*\n * Need to make sure that buffer isn't trying to write out of bounds.\n */\nfunction checkOffset (offset, ext, length) {\n  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')\n  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')\n}\n\nBuffer.prototype.readUintLE =\nBuffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var val = this[offset]\n  var mul = 1\n  var i = 0\n  while (++i < byteLength && (mul *= 0x100)) {\n    val += this[offset + i] * mul\n  }\n\n  return val\n}\n\nBuffer.prototype.readUintBE =\nBuffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) {\n    checkOffset(offset, byteLength, this.length)\n  }\n\n  var val = this[offset + --byteLength]\n  var mul = 1\n  while (byteLength > 0 && (mul *= 0x100)) {\n    val += this[offset + --byteLength] * mul\n  }\n\n  return val\n}\n\nBuffer.prototype.readUint8 =\nBuffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 1, this.length)\n  return this[offset]\n}\n\nBuffer.prototype.readUint16LE =\nBuffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  return this[offset] | (this[offset + 1] << 8)\n}\n\nBuffer.prototype.readUint16BE =\nBuffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  return (this[offset] << 8) | this[offset + 1]\n}\n\nBuffer.prototype.readUint32LE =\nBuffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return ((this[offset]) |\n      (this[offset + 1] << 8) |\n      (this[offset + 2] << 16)) +\n      (this[offset + 3] * 0x1000000)\n}\n\nBuffer.prototype.readUint32BE =\nBuffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset] * 0x1000000) +\n    ((this[offset + 1] << 16) |\n    (this[offset + 2] << 8) |\n    this[offset + 3])\n}\n\nBuffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var val = this[offset]\n  var mul = 1\n  var i = 0\n  while (++i < byteLength && (mul *= 0x100)) {\n    val += this[offset + i] * mul\n  }\n  mul *= 0x80\n\n  if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n  return val\n}\n\nBuffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var i = byteLength\n  var mul = 1\n  var val = this[offset + --i]\n  while (i > 0 && (mul *= 0x100)) {\n    val += this[offset + --i] * mul\n  }\n  mul *= 0x80\n\n  if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n  return val\n}\n\nBuffer.prototype.readInt8 = function readInt8 (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 1, this.length)\n  if (!(this[offset] & 0x80)) return (this[offset])\n  return ((0xff - this[offset] + 1) * -1)\n}\n\nBuffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  var val = this[offset] | (this[offset + 1] << 8)\n  return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  var val = this[offset + 1] | (this[offset] << 8)\n  return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset]) |\n    (this[offset + 1] << 8) |\n    (this[offset + 2] << 16) |\n    (this[offset + 3] << 24)\n}\n\nBuffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset] << 24) |\n    (this[offset + 1] << 16) |\n    (this[offset + 2] << 8) |\n    (this[offset + 3])\n}\n\nBuffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n  return ieee754.read(this, offset, true, 23, 4)\n}\n\nBuffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n  return ieee754.read(this, offset, false, 23, 4)\n}\n\nBuffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 8, this.length)\n  return ieee754.read(this, offset, true, 52, 8)\n}\n\nBuffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 8, this.length)\n  return ieee754.read(this, offset, false, 52, 8)\n}\n\nfunction checkInt (buf, value, offset, ext, max, min) {\n  if (!Buffer.isBuffer(buf)) throw new TypeError('\"buffer\" argument must be a Buffer instance')\n  if (value > max || value < min) throw new RangeError('\"value\" argument is out of bounds')\n  if (offset + ext > buf.length) throw new RangeError('Index out of range')\n}\n\nBuffer.prototype.writeUintLE =\nBuffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) {\n    var maxBytes = Math.pow(2, 8 * byteLength) - 1\n    checkInt(this, value, offset, byteLength, maxBytes, 0)\n  }\n\n  var mul = 1\n  var i = 0\n  this[offset] = value & 0xFF\n  while (++i < byteLength && (mul *= 0x100)) {\n    this[offset + i] = (value / mul) & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeUintBE =\nBuffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) {\n    var maxBytes = Math.pow(2, 8 * byteLength) - 1\n    checkInt(this, value, offset, byteLength, maxBytes, 0)\n  }\n\n  var i = byteLength - 1\n  var mul = 1\n  this[offset + i] = value & 0xFF\n  while (--i >= 0 && (mul *= 0x100)) {\n    this[offset + i] = (value / mul) & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeUint8 =\nBuffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)\n  this[offset] = (value & 0xff)\n  return offset + 1\n}\n\nBuffer.prototype.writeUint16LE =\nBuffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n  this[offset] = (value & 0xff)\n  this[offset + 1] = (value >>> 8)\n  return offset + 2\n}\n\nBuffer.prototype.writeUint16BE =\nBuffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n  this[offset] = (value >>> 8)\n  this[offset + 1] = (value & 0xff)\n  return offset + 2\n}\n\nBuffer.prototype.writeUint32LE =\nBuffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n  this[offset + 3] = (value >>> 24)\n  this[offset + 2] = (value >>> 16)\n  this[offset + 1] = (value >>> 8)\n  this[offset] = (value & 0xff)\n  return offset + 4\n}\n\nBuffer.prototype.writeUint32BE =\nBuffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n  this[offset] = (value >>> 24)\n  this[offset + 1] = (value >>> 16)\n  this[offset + 2] = (value >>> 8)\n  this[offset + 3] = (value & 0xff)\n  return offset + 4\n}\n\nBuffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) {\n    var limit = Math.pow(2, (8 * byteLength) - 1)\n\n    checkInt(this, value, offset, byteLength, limit - 1, -limit)\n  }\n\n  var i = 0\n  var mul = 1\n  var sub = 0\n  this[offset] = value & 0xFF\n  while (++i < byteLength && (mul *= 0x100)) {\n    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {\n      sub = 1\n    }\n    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) {\n    var limit = Math.pow(2, (8 * byteLength) - 1)\n\n    checkInt(this, value, offset, byteLength, limit - 1, -limit)\n  }\n\n  var i = byteLength - 1\n  var mul = 1\n  var sub = 0\n  this[offset + i] = value & 0xFF\n  while (--i >= 0 && (mul *= 0x100)) {\n    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {\n      sub = 1\n    }\n    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)\n  if (value < 0) value = 0xff + value + 1\n  this[offset] = (value & 0xff)\n  return offset + 1\n}\n\nBuffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n  this[offset] = (value & 0xff)\n  this[offset + 1] = (value >>> 8)\n  return offset + 2\n}\n\nBuffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n  this[offset] = (value >>> 8)\n  this[offset + 1] = (value & 0xff)\n  return offset + 2\n}\n\nBuffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n  this[offset] = (value & 0xff)\n  this[offset + 1] = (value >>> 8)\n  this[offset + 2] = (value >>> 16)\n  this[offset + 3] = (value >>> 24)\n  return offset + 4\n}\n\nBuffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n  if (value < 0) value = 0xffffffff + value + 1\n  this[offset] = (value >>> 24)\n  this[offset + 1] = (value >>> 16)\n  this[offset + 2] = (value >>> 8)\n  this[offset + 3] = (value & 0xff)\n  return offset + 4\n}\n\nfunction checkIEEE754 (buf, value, offset, ext, max, min) {\n  if (offset + ext > buf.length) throw new RangeError('Index out of range')\n  if (offset < 0) throw new RangeError('Index out of range')\n}\n\nfunction writeFloat (buf, value, offset, littleEndian, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) {\n    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)\n  }\n  ieee754.write(buf, value, offset, littleEndian, 23, 4)\n  return offset + 4\n}\n\nBuffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {\n  return writeFloat(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {\n  return writeFloat(this, value, offset, false, noAssert)\n}\n\nfunction writeDouble (buf, value, offset, littleEndian, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) {\n    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)\n  }\n  ieee754.write(buf, value, offset, littleEndian, 52, 8)\n  return offset + 8\n}\n\nBuffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {\n  return writeDouble(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {\n  return writeDouble(this, value, offset, false, noAssert)\n}\n\n// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)\nBuffer.prototype.copy = function copy (target, targetStart, start, end) {\n  if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer')\n  if (!start) start = 0\n  if (!end && end !== 0) end = this.length\n  if (targetStart >= target.length) targetStart = target.length\n  if (!targetStart) targetStart = 0\n  if (end > 0 && end < start) end = start\n\n  // Copy 0 bytes; we're done\n  if (end === start) return 0\n  if (target.length === 0 || this.length === 0) return 0\n\n  // Fatal error conditions\n  if (targetStart < 0) {\n    throw new RangeError('targetStart out of bounds')\n  }\n  if (start < 0 || start >= this.length) throw new RangeError('Index out of range')\n  if (end < 0) throw new RangeError('sourceEnd out of bounds')\n\n  // Are we oob?\n  if (end > this.length) end = this.length\n  if (target.length - targetStart < end - start) {\n    end = target.length - targetStart + start\n  }\n\n  var len = end - start\n\n  if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {\n    // Use built-in when available, missing from IE11\n    this.copyWithin(targetStart, start, end)\n  } else {\n    Uint8Array.prototype.set.call(\n      target,\n      this.subarray(start, end),\n      targetStart\n    )\n  }\n\n  return len\n}\n\n// Usage:\n//    buffer.fill(number[, offset[, end]])\n//    buffer.fill(buffer[, offset[, end]])\n//    buffer.fill(string[, offset[, end]][, encoding])\nBuffer.prototype.fill = function fill (val, start, end, encoding) {\n  // Handle string cases:\n  if (typeof val === 'string') {\n    if (typeof start === 'string') {\n      encoding = start\n      start = 0\n      end = this.length\n    } else if (typeof end === 'string') {\n      encoding = end\n      end = this.length\n    }\n    if (encoding !== undefined && typeof encoding !== 'string') {\n      throw new TypeError('encoding must be a string')\n    }\n    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {\n      throw new TypeError('Unknown encoding: ' + encoding)\n    }\n    if (val.length === 1) {\n      var code = val.charCodeAt(0)\n      if ((encoding === 'utf8' && code < 128) ||\n          encoding === 'latin1') {\n        // Fast path: If `val` fits into a single byte, use that numeric value.\n        val = code\n      }\n    }\n  } else if (typeof val === 'number') {\n    val = val & 255\n  } else if (typeof val === 'boolean') {\n    val = Number(val)\n  }\n\n  // Invalid ranges are not set to a default, so can range check early.\n  if (start < 0 || this.length < start || this.length < end) {\n    throw new RangeError('Out of range index')\n  }\n\n  if (end <= start) {\n    return this\n  }\n\n  start = start >>> 0\n  end = end === undefined ? this.length : end >>> 0\n\n  if (!val) val = 0\n\n  var i\n  if (typeof val === 'number') {\n    for (i = start; i < end; ++i) {\n      this[i] = val\n    }\n  } else {\n    var bytes = Buffer.isBuffer(val)\n      ? val\n      : Buffer.from(val, encoding)\n    var len = bytes.length\n    if (len === 0) {\n      throw new TypeError('The value \"' + val +\n        '\" is invalid for argument \"value\"')\n    }\n    for (i = 0; i < end - start; ++i) {\n      this[i + start] = bytes[i % len]\n    }\n  }\n\n  return this\n}\n\n// HELPER FUNCTIONS\n// ================\n\nvar INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g\n\nfunction base64clean (str) {\n  // Node takes equal signs as end of the Base64 encoding\n  str = str.split('=')[0]\n  // Node strips out invalid characters like \\n and \\t from the string, base64-js does not\n  str = str.trim().replace(INVALID_BASE64_RE, '')\n  // Node converts strings with length < 2 to ''\n  if (str.length < 2) return ''\n  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not\n  while (str.length % 4 !== 0) {\n    str = str + '='\n  }\n  return str\n}\n\nfunction utf8ToBytes (string, units) {\n  units = units || Infinity\n  var codePoint\n  var length = string.length\n  var leadSurrogate = null\n  var bytes = []\n\n  for (var i = 0; i < length; ++i) {\n    codePoint = string.charCodeAt(i)\n\n    // is surrogate component\n    if (codePoint > 0xD7FF && codePoint < 0xE000) {\n      // last char was a lead\n      if (!leadSurrogate) {\n        // no lead yet\n        if (codePoint > 0xDBFF) {\n          // unexpected trail\n          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n          continue\n        } else if (i + 1 === length) {\n          // unpaired lead\n          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n          continue\n        }\n\n        // valid lead\n        leadSurrogate = codePoint\n\n        continue\n      }\n\n      // 2 leads in a row\n      if (codePoint < 0xDC00) {\n        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n        leadSurrogate = codePoint\n        continue\n      }\n\n      // valid surrogate pair\n      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000\n    } else if (leadSurrogate) {\n      // valid bmp char, but last char was a lead\n      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n    }\n\n    leadSurrogate = null\n\n    // encode utf8\n    if (codePoint < 0x80) {\n      if ((units -= 1) < 0) break\n      bytes.push(codePoint)\n    } else if (codePoint < 0x800) {\n      if ((units -= 2) < 0) break\n      bytes.push(\n        codePoint >> 0x6 | 0xC0,\n        codePoint & 0x3F | 0x80\n      )\n    } else if (codePoint < 0x10000) {\n      if ((units -= 3) < 0) break\n      bytes.push(\n        codePoint >> 0xC | 0xE0,\n        codePoint >> 0x6 & 0x3F | 0x80,\n        codePoint & 0x3F | 0x80\n      )\n    } else if (codePoint < 0x110000) {\n      if ((units -= 4) < 0) break\n      bytes.push(\n        codePoint >> 0x12 | 0xF0,\n        codePoint >> 0xC & 0x3F | 0x80,\n        codePoint >> 0x6 & 0x3F | 0x80,\n        codePoint & 0x3F | 0x80\n      )\n    } else {\n      throw new Error('Invalid code point')\n    }\n  }\n\n  return bytes\n}\n\nfunction asciiToBytes (str) {\n  var byteArray = []\n  for (var i = 0; i < str.length; ++i) {\n    // Node's code seems to be doing this and not & 0x7F..\n    byteArray.push(str.charCodeAt(i) & 0xFF)\n  }\n  return byteArray\n}\n\nfunction utf16leToBytes (str, units) {\n  var c, hi, lo\n  var byteArray = []\n  for (var i = 0; i < str.length; ++i) {\n    if ((units -= 2) < 0) break\n\n    c = str.charCodeAt(i)\n    hi = c >> 8\n    lo = c % 256\n    byteArray.push(lo)\n    byteArray.push(hi)\n  }\n\n  return byteArray\n}\n\nfunction base64ToBytes (str) {\n  return base64.toByteArray(base64clean(str))\n}\n\nfunction blitBuffer (src, dst, offset, length) {\n  for (var i = 0; i < length; ++i) {\n    if ((i + offset >= dst.length) || (i >= src.length)) break\n    dst[i + offset] = src[i]\n  }\n  return i\n}\n\n// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass\n// the `instanceof` check but they should be treated as of that type.\n// See: https://github.com/feross/buffer/issues/166\nfunction isInstance (obj, type) {\n  return obj instanceof type ||\n    (obj != null && obj.constructor != null && obj.constructor.name != null &&\n      obj.constructor.name === type.name)\n}\nfunction numberIsNaN (obj) {\n  // For IE11 support\n  return obj !== obj // eslint-disable-line no-self-compare\n}\n\n// Create lookup table for `toString('hex')`\n// See: https://github.com/feross/buffer/issues/219\nvar hexSliceLookupTable = (function () {\n  var alphabet = '0123456789abcdef'\n  var table = new Array(256)\n  for (var i = 0; i < 16; ++i) {\n    var i16 = i * 16\n    for (var j = 0; j < 16; ++j) {\n      table[i16 + j] = alphabet[i] + alphabet[j]\n    }\n  }\n  return table\n})()\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n    extendStatics = Object.setPrototypeOf ||\r\n        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n    return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n    extendStatics(d, b);\r\n    function __() { this.constructor = d; }\r\n    d.prototype = b === null ? 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\ No newline at end of file
diff --git a/node_modules/bson/dist/bson.browser.umd.js b/node_modules/bson/dist/bson.browser.umd.js
new file mode 100644
index 000000000..c8b27f833
--- /dev/null
+++ b/node_modules/bson/dist/bson.browser.umd.js
@@ -0,0 +1,7537 @@
+(function (global, factory) {
+	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+	typeof define === 'function' && define.amd ? define(['exports'], factory) :
+	(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.BSON = {}));
+}(this, (function (exports) { 'use strict';
+
+	function createCommonjsModule(fn, module) {
+		return module = { exports: {} }, fn(module, module.exports), module.exports;
+	}
+
+	var byteLength_1 = byteLength;
+	var toByteArray_1 = toByteArray;
+	var fromByteArray_1 = fromByteArray;
+	var lookup = [];
+	var revLookup = [];
+	var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array;
+	var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+
+	for (var i = 0, len = code.length; i < len; ++i) {
+	  lookup[i] = code[i];
+	  revLookup[code.charCodeAt(i)] = i;
+	} // Support decoding URL-safe base64 strings, as Node.js does.
+	// See: https://en.wikipedia.org/wiki/Base64#URL_applications
+
+
+	revLookup['-'.charCodeAt(0)] = 62;
+	revLookup['_'.charCodeAt(0)] = 63;
+
+	function getLens(b64) {
+	  var len = b64.length;
+
+	  if (len % 4 > 0) {
+	    throw new Error('Invalid string. Length must be a multiple of 4');
+	  } // Trim off extra bytes after placeholder bytes are found
+	  // See: https://github.com/beatgammit/base64-js/issues/42
+
+
+	  var validLen = b64.indexOf('=');
+	  if (validLen === -1) validLen = len;
+	  var placeHoldersLen = validLen === len ? 0 : 4 - validLen % 4;
+	  return [validLen, placeHoldersLen];
+	} // base64 is 4/3 + up to two characters of the original data
+
+
+	function byteLength(b64) {
+	  var lens = getLens(b64);
+	  var validLen = lens[0];
+	  var placeHoldersLen = lens[1];
+	  return (validLen + placeHoldersLen) * 3 / 4 - placeHoldersLen;
+	}
+
+	function _byteLength(b64, validLen, placeHoldersLen) {
+	  return (validLen + placeHoldersLen) * 3 / 4 - placeHoldersLen;
+	}
+
+	function toByteArray(b64) {
+	  var tmp;
+	  var lens = getLens(b64);
+	  var validLen = lens[0];
+	  var placeHoldersLen = lens[1];
+	  var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen));
+	  var curByte = 0; // if there are placeholders, only get up to the last complete 4 chars
+
+	  var len = placeHoldersLen > 0 ? validLen - 4 : validLen;
+	  var i;
+
+	  for (i = 0; i < len; i += 4) {
+	    tmp = revLookup[b64.charCodeAt(i)] << 18 | revLookup[b64.charCodeAt(i + 1)] << 12 | revLookup[b64.charCodeAt(i + 2)] << 6 | revLookup[b64.charCodeAt(i + 3)];
+	    arr[curByte++] = tmp >> 16 & 0xFF;
+	    arr[curByte++] = tmp >> 8 & 0xFF;
+	    arr[curByte++] = tmp & 0xFF;
+	  }
+
+	  if (placeHoldersLen === 2) {
+	    tmp = revLookup[b64.charCodeAt(i)] << 2 | revLookup[b64.charCodeAt(i + 1)] >> 4;
+	    arr[curByte++] = tmp & 0xFF;
+	  }
+
+	  if (placeHoldersLen === 1) {
+	    tmp = revLookup[b64.charCodeAt(i)] << 10 | revLookup[b64.charCodeAt(i + 1)] << 4 | revLookup[b64.charCodeAt(i + 2)] >> 2;
+	    arr[curByte++] = tmp >> 8 & 0xFF;
+	    arr[curByte++] = tmp & 0xFF;
+	  }
+
+	  return arr;
+	}
+
+	function tripletToBase64(num) {
+	  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F];
+	}
+
+	function encodeChunk(uint8, start, end) {
+	  var tmp;
+	  var output = [];
+
+	  for (var i = start; i < end; i += 3) {
+	    tmp = (uint8[i] << 16 & 0xFF0000) + (uint8[i + 1] << 8 & 0xFF00) + (uint8[i + 2] & 0xFF);
+	    output.push(tripletToBase64(tmp));
+	  }
+
+	  return output.join('');
+	}
+
+	function fromByteArray(uint8) {
+	  var tmp;
+	  var len = uint8.length;
+	  var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes
+
+	  var parts = [];
+	  var maxChunkLength = 16383; // must be multiple of 3
+	  // go through the array every three bytes, we'll deal with trailing stuff later
+
+	  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+	    parts.push(encodeChunk(uint8, i, i + maxChunkLength > len2 ? len2 : i + maxChunkLength));
+	  } // pad the end with zeros, but make sure to not forget the extra bytes
+
+
+	  if (extraBytes === 1) {
+	    tmp = uint8[len - 1];
+	    parts.push(lookup[tmp >> 2] + lookup[tmp << 4 & 0x3F] + '==');
+	  } else if (extraBytes === 2) {
+	    tmp = (uint8[len - 2] << 8) + uint8[len - 1];
+	    parts.push(lookup[tmp >> 10] + lookup[tmp >> 4 & 0x3F] + lookup[tmp << 2 & 0x3F] + '=');
+	  }
+
+	  return parts.join('');
+	}
+
+	var base64Js = {
+	  byteLength: byteLength_1,
+	  toByteArray: toByteArray_1,
+	  fromByteArray: fromByteArray_1
+	};
+
+	/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */
+	var read = function read(buffer, offset, isLE, mLen, nBytes) {
+	  var e, m;
+	  var eLen = nBytes * 8 - mLen - 1;
+	  var eMax = (1 << eLen) - 1;
+	  var eBias = eMax >> 1;
+	  var nBits = -7;
+	  var i = isLE ? nBytes - 1 : 0;
+	  var d = isLE ? -1 : 1;
+	  var s = buffer[offset + i];
+	  i += d;
+	  e = s & (1 << -nBits) - 1;
+	  s >>= -nBits;
+	  nBits += eLen;
+
+	  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+	  m = e & (1 << -nBits) - 1;
+	  e >>= -nBits;
+	  nBits += mLen;
+
+	  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+	  if (e === 0) {
+	    e = 1 - eBias;
+	  } else if (e === eMax) {
+	    return m ? NaN : (s ? -1 : 1) * Infinity;
+	  } else {
+	    m = m + Math.pow(2, mLen);
+	    e = e - eBias;
+	  }
+
+	  return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
+	};
+
+	var write = function write(buffer, value, offset, isLE, mLen, nBytes) {
+	  var e, m, c;
+	  var eLen = nBytes * 8 - mLen - 1;
+	  var eMax = (1 << eLen) - 1;
+	  var eBias = eMax >> 1;
+	  var rt = mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0;
+	  var i = isLE ? 0 : nBytes - 1;
+	  var d = isLE ? 1 : -1;
+	  var s = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0;
+	  value = Math.abs(value);
+
+	  if (isNaN(value) || value === Infinity) {
+	    m = isNaN(value) ? 1 : 0;
+	    e = eMax;
+	  } else {
+	    e = Math.floor(Math.log(value) / Math.LN2);
+
+	    if (value * (c = Math.pow(2, -e)) < 1) {
+	      e--;
+	      c *= 2;
+	    }
+
+	    if (e + eBias >= 1) {
+	      value += rt / c;
+	    } else {
+	      value += rt * Math.pow(2, 1 - eBias);
+	    }
+
+	    if (value * c >= 2) {
+	      e++;
+	      c /= 2;
+	    }
+
+	    if (e + eBias >= eMax) {
+	      m = 0;
+	      e = eMax;
+	    } else if (e + eBias >= 1) {
+	      m = (value * c - 1) * Math.pow(2, mLen);
+	      e = e + eBias;
+	    } else {
+	      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
+	      e = 0;
+	    }
+	  }
+
+	  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+	  e = e << mLen | m;
+	  eLen += mLen;
+
+	  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+	  buffer[offset + i - d] |= s * 128;
+	};
+
+	var ieee754 = {
+	  read: read,
+	  write: write
+	};
+
+	var buffer$1 = createCommonjsModule(function (module, exports) {
+
+	  var customInspectSymbol = typeof Symbol === 'function' && typeof Symbol['for'] === 'function' ? // eslint-disable-line dot-notation
+	  Symbol['for']('nodejs.util.inspect.custom') // eslint-disable-line dot-notation
+	  : null;
+	  exports.Buffer = Buffer;
+	  exports.SlowBuffer = SlowBuffer;
+	  exports.INSPECT_MAX_BYTES = 50;
+	  var K_MAX_LENGTH = 0x7fffffff;
+	  exports.kMaxLength = K_MAX_LENGTH;
+	  /**
+	   * If `Buffer.TYPED_ARRAY_SUPPORT`:
+	   *   === true    Use Uint8Array implementation (fastest)
+	   *   === false   Print warning and recommend using `buffer` v4.x which has an Object
+	   *               implementation (most compatible, even IE6)
+	   *
+	   * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+	   * Opera 11.6+, iOS 4.2+.
+	   *
+	   * We report that the browser does not support typed arrays if the are not subclassable
+	   * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
+	   * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
+	   * for __proto__ and has a buggy typed array implementation.
+	   */
+
+	  Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport();
+
+	  if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' && typeof console.error === 'function') {
+	    console.error('This browser lacks typed array (Uint8Array) support which is required by ' + '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.');
+	  }
+
+	  function typedArraySupport() {
+	    // Can typed array instances can be augmented?
+	    try {
+	      var arr = new Uint8Array(1);
+	      var proto = {
+	        foo: function foo() {
+	          return 42;
+	        }
+	      };
+	      Object.setPrototypeOf(proto, Uint8Array.prototype);
+	      Object.setPrototypeOf(arr, proto);
+	      return arr.foo() === 42;
+	    } catch (e) {
+	      return false;
+	    }
+	  }
+
+	  Object.defineProperty(Buffer.prototype, 'parent', {
+	    enumerable: true,
+	    get: function get() {
+	      if (!Buffer.isBuffer(this)) return undefined;
+	      return this.buffer;
+	    }
+	  });
+	  Object.defineProperty(Buffer.prototype, 'offset', {
+	    enumerable: true,
+	    get: function get() {
+	      if (!Buffer.isBuffer(this)) return undefined;
+	      return this.byteOffset;
+	    }
+	  });
+
+	  function createBuffer(length) {
+	    if (length > K_MAX_LENGTH) {
+	      throw new RangeError('The value "' + length + '" is invalid for option "size"');
+	    } // Return an augmented `Uint8Array` instance
+
+
+	    var buf = new Uint8Array(length);
+	    Object.setPrototypeOf(buf, Buffer.prototype);
+	    return buf;
+	  }
+	  /**
+	   * The Buffer constructor returns instances of `Uint8Array` that have their
+	   * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+	   * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+	   * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+	   * returns a single octet.
+	   *
+	   * The `Uint8Array` prototype remains unmodified.
+	   */
+
+
+	  function Buffer(arg, encodingOrOffset, length) {
+	    // Common case.
+	    if (typeof arg === 'number') {
+	      if (typeof encodingOrOffset === 'string') {
+	        throw new TypeError('The "string" argument must be of type string. Received type number');
+	      }
+
+	      return allocUnsafe(arg);
+	    }
+
+	    return from(arg, encodingOrOffset, length);
+	  }
+
+	  Buffer.poolSize = 8192; // not used by this implementation
+
+	  function from(value, encodingOrOffset, length) {
+	    if (typeof value === 'string') {
+	      return fromString(value, encodingOrOffset);
+	    }
+
+	    if (ArrayBuffer.isView(value)) {
+	      return fromArrayView(value);
+	    }
+
+	    if (value == null) {
+	      throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + 'or Array-like Object. Received type ' + babelHelpers["typeof"](value));
+	    }
+
+	    if (isInstance(value, ArrayBuffer) || value && isInstance(value.buffer, ArrayBuffer)) {
+	      return fromArrayBuffer(value, encodingOrOffset, length);
+	    }
+
+	    if (typeof SharedArrayBuffer !== 'undefined' && (isInstance(value, SharedArrayBuffer) || value && isInstance(value.buffer, SharedArrayBuffer))) {
+	      return fromArrayBuffer(value, encodingOrOffset, length);
+	    }
+
+	    if (typeof value === 'number') {
+	      throw new TypeError('The "value" argument must not be of type number. Received type number');
+	    }
+
+	    var valueOf = value.valueOf && value.valueOf();
+
+	    if (valueOf != null && valueOf !== value) {
+	      return Buffer.from(valueOf, encodingOrOffset, length);
+	    }
+
+	    var b = fromObject(value);
+	    if (b) return b;
+
+	    if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null && typeof value[Symbol.toPrimitive] === 'function') {
+	      return Buffer.from(value[Symbol.toPrimitive]('string'), encodingOrOffset, length);
+	    }
+
+	    throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + 'or Array-like Object. Received type ' + babelHelpers["typeof"](value));
+	  }
+	  /**
+	   * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+	   * if value is a number.
+	   * Buffer.from(str[, encoding])
+	   * Buffer.from(array)
+	   * Buffer.from(buffer)
+	   * Buffer.from(arrayBuffer[, byteOffset[, length]])
+	   **/
+
+
+	  Buffer.from = function (value, encodingOrOffset, length) {
+	    return from(value, encodingOrOffset, length);
+	  }; // Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
+	  // https://github.com/feross/buffer/pull/148
+
+
+	  Object.setPrototypeOf(Buffer.prototype, Uint8Array.prototype);
+	  Object.setPrototypeOf(Buffer, Uint8Array);
+
+	  function assertSize(size) {
+	    if (typeof size !== 'number') {
+	      throw new TypeError('"size" argument must be of type number');
+	    } else if (size < 0) {
+	      throw new RangeError('The value "' + size + '" is invalid for option "size"');
+	    }
+	  }
+
+	  function alloc(size, fill, encoding) {
+	    assertSize(size);
+
+	    if (size <= 0) {
+	      return createBuffer(size);
+	    }
+
+	    if (fill !== undefined) {
+	      // Only pay attention to encoding if it's a string. This
+	      // prevents accidentally sending in a number that would
+	      // be interpreted as a start offset.
+	      return typeof encoding === 'string' ? createBuffer(size).fill(fill, encoding) : createBuffer(size).fill(fill);
+	    }
+
+	    return createBuffer(size);
+	  }
+	  /**
+	   * Creates a new filled Buffer instance.
+	   * alloc(size[, fill[, encoding]])
+	   **/
+
+
+	  Buffer.alloc = function (size, fill, encoding) {
+	    return alloc(size, fill, encoding);
+	  };
+
+	  function allocUnsafe(size) {
+	    assertSize(size);
+	    return createBuffer(size < 0 ? 0 : checked(size) | 0);
+	  }
+	  /**
+	   * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+	   * */
+
+
+	  Buffer.allocUnsafe = function (size) {
+	    return allocUnsafe(size);
+	  };
+	  /**
+	   * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+	   */
+
+
+	  Buffer.allocUnsafeSlow = function (size) {
+	    return allocUnsafe(size);
+	  };
+
+	  function fromString(string, encoding) {
+	    if (typeof encoding !== 'string' || encoding === '') {
+	      encoding = 'utf8';
+	    }
+
+	    if (!Buffer.isEncoding(encoding)) {
+	      throw new TypeError('Unknown encoding: ' + encoding);
+	    }
+
+	    var length = byteLength(string, encoding) | 0;
+	    var buf = createBuffer(length);
+	    var actual = buf.write(string, encoding);
+
+	    if (actual !== length) {
+	      // Writing a hex string, for example, that contains invalid characters will
+	      // cause everything after the first invalid character to be ignored. (e.g.
+	      // 'abxxcd' will be treated as 'ab')
+	      buf = buf.slice(0, actual);
+	    }
+
+	    return buf;
+	  }
+
+	  function fromArrayLike(array) {
+	    var length = array.length < 0 ? 0 : checked(array.length) | 0;
+	    var buf = createBuffer(length);
+
+	    for (var i = 0; i < length; i += 1) {
+	      buf[i] = array[i] & 255;
+	    }
+
+	    return buf;
+	  }
+
+	  function fromArrayView(arrayView) {
+	    if (isInstance(arrayView, Uint8Array)) {
+	      var copy = new Uint8Array(arrayView);
+	      return fromArrayBuffer(copy.buffer, copy.byteOffset, copy.byteLength);
+	    }
+
+	    return fromArrayLike(arrayView);
+	  }
+
+	  function fromArrayBuffer(array, byteOffset, length) {
+	    if (byteOffset < 0 || array.byteLength < byteOffset) {
+	      throw new RangeError('"offset" is outside of buffer bounds');
+	    }
+
+	    if (array.byteLength < byteOffset + (length || 0)) {
+	      throw new RangeError('"length" is outside of buffer bounds');
+	    }
+
+	    var buf;
+
+	    if (byteOffset === undefined && length === undefined) {
+	      buf = new Uint8Array(array);
+	    } else if (length === undefined) {
+	      buf = new Uint8Array(array, byteOffset);
+	    } else {
+	      buf = new Uint8Array(array, byteOffset, length);
+	    } // Return an augmented `Uint8Array` instance
+
+
+	    Object.setPrototypeOf(buf, Buffer.prototype);
+	    return buf;
+	  }
+
+	  function fromObject(obj) {
+	    if (Buffer.isBuffer(obj)) {
+	      var len = checked(obj.length) | 0;
+	      var buf = createBuffer(len);
+
+	      if (buf.length === 0) {
+	        return buf;
+	      }
+
+	      obj.copy(buf, 0, 0, len);
+	      return buf;
+	    }
+
+	    if (obj.length !== undefined) {
+	      if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
+	        return createBuffer(0);
+	      }
+
+	      return fromArrayLike(obj);
+	    }
+
+	    if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
+	      return fromArrayLike(obj.data);
+	    }
+	  }
+
+	  function checked(length) {
+	    // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
+	    // length is NaN (which is otherwise coerced to zero.)
+	    if (length >= K_MAX_LENGTH) {
+	      throw new RangeError('Attempt to allocate Buffer larger than maximum ' + 'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes');
+	    }
+
+	    return length | 0;
+	  }
+
+	  function SlowBuffer(length) {
+	    if (+length != length) {
+	      // eslint-disable-line eqeqeq
+	      length = 0;
+	    }
+
+	    return Buffer.alloc(+length);
+	  }
+
+	  Buffer.isBuffer = function isBuffer(b) {
+	    return b != null && b._isBuffer === true && b !== Buffer.prototype; // so Buffer.isBuffer(Buffer.prototype) will be false
+	  };
+
+	  Buffer.compare = function compare(a, b) {
+	    if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength);
+	    if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength);
+
+	    if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
+	      throw new TypeError('The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array');
+	    }
+
+	    if (a === b) return 0;
+	    var x = a.length;
+	    var y = b.length;
+
+	    for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+	      if (a[i] !== b[i]) {
+	        x = a[i];
+	        y = b[i];
+	        break;
+	      }
+	    }
+
+	    if (x < y) return -1;
+	    if (y < x) return 1;
+	    return 0;
+	  };
+
+	  Buffer.isEncoding = function isEncoding(encoding) {
+	    switch (String(encoding).toLowerCase()) {
+	      case 'hex':
+	      case 'utf8':
+	      case 'utf-8':
+	      case 'ascii':
+	      case 'latin1':
+	      case 'binary':
+	      case 'base64':
+	      case 'ucs2':
+	      case 'ucs-2':
+	      case 'utf16le':
+	      case 'utf-16le':
+	        return true;
+
+	      default:
+	        return false;
+	    }
+	  };
+
+	  Buffer.concat = function concat(list, length) {
+	    if (!Array.isArray(list)) {
+	      throw new TypeError('"list" argument must be an Array of Buffers');
+	    }
+
+	    if (list.length === 0) {
+	      return Buffer.alloc(0);
+	    }
+
+	    var i;
+
+	    if (length === undefined) {
+	      length = 0;
+
+	      for (i = 0; i < list.length; ++i) {
+	        length += list[i].length;
+	      }
+	    }
+
+	    var buffer = Buffer.allocUnsafe(length);
+	    var pos = 0;
+
+	    for (i = 0; i < list.length; ++i) {
+	      var buf = list[i];
+
+	      if (isInstance(buf, Uint8Array)) {
+	        if (pos + buf.length > buffer.length) {
+	          Buffer.from(buf).copy(buffer, pos);
+	        } else {
+	          Uint8Array.prototype.set.call(buffer, buf, pos);
+	        }
+	      } else if (!Buffer.isBuffer(buf)) {
+	        throw new TypeError('"list" argument must be an Array of Buffers');
+	      } else {
+	        buf.copy(buffer, pos);
+	      }
+
+	      pos += buf.length;
+	    }
+
+	    return buffer;
+	  };
+
+	  function byteLength(string, encoding) {
+	    if (Buffer.isBuffer(string)) {
+	      return string.length;
+	    }
+
+	    if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {
+	      return string.byteLength;
+	    }
+
+	    if (typeof string !== 'string') {
+	      throw new TypeError('The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' + 'Received type ' + babelHelpers["typeof"](string));
+	    }
+
+	    var len = string.length;
+	    var mustMatch = arguments.length > 2 && arguments[2] === true;
+	    if (!mustMatch && len === 0) return 0; // Use a for loop to avoid recursion
+
+	    var loweredCase = false;
+
+	    for (;;) {
+	      switch (encoding) {
+	        case 'ascii':
+	        case 'latin1':
+	        case 'binary':
+	          return len;
+
+	        case 'utf8':
+	        case 'utf-8':
+	          return utf8ToBytes(string).length;
+
+	        case 'ucs2':
+	        case 'ucs-2':
+	        case 'utf16le':
+	        case 'utf-16le':
+	          return len * 2;
+
+	        case 'hex':
+	          return len >>> 1;
+
+	        case 'base64':
+	          return base64ToBytes(string).length;
+
+	        default:
+	          if (loweredCase) {
+	            return mustMatch ? -1 : utf8ToBytes(string).length; // assume utf8
+	          }
+
+	          encoding = ('' + encoding).toLowerCase();
+	          loweredCase = true;
+	      }
+	    }
+	  }
+
+	  Buffer.byteLength = byteLength;
+
+	  function slowToString(encoding, start, end) {
+	    var loweredCase = false; // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+	    // property of a typed array.
+	    // This behaves neither like String nor Uint8Array in that we set start/end
+	    // to their upper/lower bounds if the value passed is out of range.
+	    // undefined is handled specially as per ECMA-262 6th Edition,
+	    // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+
+	    if (start === undefined || start < 0) {
+	      start = 0;
+	    } // Return early if start > this.length. Done here to prevent potential uint32
+	    // coercion fail below.
+
+
+	    if (start > this.length) {
+	      return '';
+	    }
+
+	    if (end === undefined || end > this.length) {
+	      end = this.length;
+	    }
+
+	    if (end <= 0) {
+	      return '';
+	    } // Force coercion to uint32. This will also coerce falsey/NaN values to 0.
+
+
+	    end >>>= 0;
+	    start >>>= 0;
+
+	    if (end <= start) {
+	      return '';
+	    }
+
+	    if (!encoding) encoding = 'utf8';
+
+	    while (true) {
+	      switch (encoding) {
+	        case 'hex':
+	          return hexSlice(this, start, end);
+
+	        case 'utf8':
+	        case 'utf-8':
+	          return utf8Slice(this, start, end);
+
+	        case 'ascii':
+	          return asciiSlice(this, start, end);
+
+	        case 'latin1':
+	        case 'binary':
+	          return latin1Slice(this, start, end);
+
+	        case 'base64':
+	          return base64Slice(this, start, end);
+
+	        case 'ucs2':
+	        case 'ucs-2':
+	        case 'utf16le':
+	        case 'utf-16le':
+	          return utf16leSlice(this, start, end);
+
+	        default:
+	          if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
+	          encoding = (encoding + '').toLowerCase();
+	          loweredCase = true;
+	      }
+	    }
+	  } // This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
+	  // to detect a Buffer instance. It's not possible to use `instanceof Buffer`
+	  // reliably in a browserify context because there could be multiple different
+	  // copies of the 'buffer' package in use. This method works even for Buffer
+	  // instances that were created from another copy of the `buffer` package.
+	  // See: https://github.com/feross/buffer/issues/154
+
+
+	  Buffer.prototype._isBuffer = true;
+
+	  function swap(b, n, m) {
+	    var i = b[n];
+	    b[n] = b[m];
+	    b[m] = i;
+	  }
+
+	  Buffer.prototype.swap16 = function swap16() {
+	    var len = this.length;
+
+	    if (len % 2 !== 0) {
+	      throw new RangeError('Buffer size must be a multiple of 16-bits');
+	    }
+
+	    for (var i = 0; i < len; i += 2) {
+	      swap(this, i, i + 1);
+	    }
+
+	    return this;
+	  };
+
+	  Buffer.prototype.swap32 = function swap32() {
+	    var len = this.length;
+
+	    if (len % 4 !== 0) {
+	      throw new RangeError('Buffer size must be a multiple of 32-bits');
+	    }
+
+	    for (var i = 0; i < len; i += 4) {
+	      swap(this, i, i + 3);
+	      swap(this, i + 1, i + 2);
+	    }
+
+	    return this;
+	  };
+
+	  Buffer.prototype.swap64 = function swap64() {
+	    var len = this.length;
+
+	    if (len % 8 !== 0) {
+	      throw new RangeError('Buffer size must be a multiple of 64-bits');
+	    }
+
+	    for (var i = 0; i < len; i += 8) {
+	      swap(this, i, i + 7);
+	      swap(this, i + 1, i + 6);
+	      swap(this, i + 2, i + 5);
+	      swap(this, i + 3, i + 4);
+	    }
+
+	    return this;
+	  };
+
+	  Buffer.prototype.toString = function toString() {
+	    var length = this.length;
+	    if (length === 0) return '';
+	    if (arguments.length === 0) return utf8Slice(this, 0, length);
+	    return slowToString.apply(this, arguments);
+	  };
+
+	  Buffer.prototype.toLocaleString = Buffer.prototype.toString;
+
+	  Buffer.prototype.equals = function equals(b) {
+	    if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer');
+	    if (this === b) return true;
+	    return Buffer.compare(this, b) === 0;
+	  };
+
+	  Buffer.prototype.inspect = function inspect() {
+	    var str = '';
+	    var max = exports.INSPECT_MAX_BYTES;
+	    str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim();
+	    if (this.length > max) str += ' ... ';
+	    return '<Buffer ' + str + '>';
+	  };
+
+	  if (customInspectSymbol) {
+	    Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect;
+	  }
+
+	  Buffer.prototype.compare = function compare(target, start, end, thisStart, thisEnd) {
+	    if (isInstance(target, Uint8Array)) {
+	      target = Buffer.from(target, target.offset, target.byteLength);
+	    }
+
+	    if (!Buffer.isBuffer(target)) {
+	      throw new TypeError('The "target" argument must be one of type Buffer or Uint8Array. ' + 'Received type ' + babelHelpers["typeof"](target));
+	    }
+
+	    if (start === undefined) {
+	      start = 0;
+	    }
+
+	    if (end === undefined) {
+	      end = target ? target.length : 0;
+	    }
+
+	    if (thisStart === undefined) {
+	      thisStart = 0;
+	    }
+
+	    if (thisEnd === undefined) {
+	      thisEnd = this.length;
+	    }
+
+	    if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+	      throw new RangeError('out of range index');
+	    }
+
+	    if (thisStart >= thisEnd && start >= end) {
+	      return 0;
+	    }
+
+	    if (thisStart >= thisEnd) {
+	      return -1;
+	    }
+
+	    if (start >= end) {
+	      return 1;
+	    }
+
+	    start >>>= 0;
+	    end >>>= 0;
+	    thisStart >>>= 0;
+	    thisEnd >>>= 0;
+	    if (this === target) return 0;
+	    var x = thisEnd - thisStart;
+	    var y = end - start;
+	    var len = Math.min(x, y);
+	    var thisCopy = this.slice(thisStart, thisEnd);
+	    var targetCopy = target.slice(start, end);
+
+	    for (var i = 0; i < len; ++i) {
+	      if (thisCopy[i] !== targetCopy[i]) {
+	        x = thisCopy[i];
+	        y = targetCopy[i];
+	        break;
+	      }
+	    }
+
+	    if (x < y) return -1;
+	    if (y < x) return 1;
+	    return 0;
+	  }; // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+	  // OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+	  //
+	  // Arguments:
+	  // - buffer - a Buffer to search
+	  // - val - a string, Buffer, or number
+	  // - byteOffset - an index into `buffer`; will be clamped to an int32
+	  // - encoding - an optional encoding, relevant is val is a string
+	  // - dir - true for indexOf, false for lastIndexOf
+
+
+	  function bidirectionalIndexOf(buffer, val, byteOffset, encoding, dir) {
+	    // Empty buffer means no match
+	    if (buffer.length === 0) return -1; // Normalize byteOffset
+
+	    if (typeof byteOffset === 'string') {
+	      encoding = byteOffset;
+	      byteOffset = 0;
+	    } else if (byteOffset > 0x7fffffff) {
+	      byteOffset = 0x7fffffff;
+	    } else if (byteOffset < -0x80000000) {
+	      byteOffset = -0x80000000;
+	    }
+
+	    byteOffset = +byteOffset; // Coerce to Number.
+
+	    if (numberIsNaN(byteOffset)) {
+	      // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+	      byteOffset = dir ? 0 : buffer.length - 1;
+	    } // Normalize byteOffset: negative offsets start from the end of the buffer
+
+
+	    if (byteOffset < 0) byteOffset = buffer.length + byteOffset;
+
+	    if (byteOffset >= buffer.length) {
+	      if (dir) return -1;else byteOffset = buffer.length - 1;
+	    } else if (byteOffset < 0) {
+	      if (dir) byteOffset = 0;else return -1;
+	    } // Normalize val
+
+
+	    if (typeof val === 'string') {
+	      val = Buffer.from(val, encoding);
+	    } // Finally, search either indexOf (if dir is true) or lastIndexOf
+
+
+	    if (Buffer.isBuffer(val)) {
+	      // Special case: looking for empty string/buffer always fails
+	      if (val.length === 0) {
+	        return -1;
+	      }
+
+	      return arrayIndexOf(buffer, val, byteOffset, encoding, dir);
+	    } else if (typeof val === 'number') {
+	      val = val & 0xFF; // Search for a byte value [0-255]
+
+	      if (typeof Uint8Array.prototype.indexOf === 'function') {
+	        if (dir) {
+	          return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset);
+	        } else {
+	          return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset);
+	        }
+	      }
+
+	      return arrayIndexOf(buffer, [val], byteOffset, encoding, dir);
+	    }
+
+	    throw new TypeError('val must be string, number or Buffer');
+	  }
+
+	  function arrayIndexOf(arr, val, byteOffset, encoding, dir) {
+	    var indexSize = 1;
+	    var arrLength = arr.length;
+	    var valLength = val.length;
+
+	    if (encoding !== undefined) {
+	      encoding = String(encoding).toLowerCase();
+
+	      if (encoding === 'ucs2' || encoding === 'ucs-2' || encoding === 'utf16le' || encoding === 'utf-16le') {
+	        if (arr.length < 2 || val.length < 2) {
+	          return -1;
+	        }
+
+	        indexSize = 2;
+	        arrLength /= 2;
+	        valLength /= 2;
+	        byteOffset /= 2;
+	      }
+	    }
+
+	    function read(buf, i) {
+	      if (indexSize === 1) {
+	        return buf[i];
+	      } else {
+	        return buf.readUInt16BE(i * indexSize);
+	      }
+	    }
+
+	    var i;
+
+	    if (dir) {
+	      var foundIndex = -1;
+
+	      for (i = byteOffset; i < arrLength; i++) {
+	        if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+	          if (foundIndex === -1) foundIndex = i;
+	          if (i - foundIndex + 1 === valLength) return foundIndex * indexSize;
+	        } else {
+	          if (foundIndex !== -1) i -= i - foundIndex;
+	          foundIndex = -1;
+	        }
+	      }
+	    } else {
+	      if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;
+
+	      for (i = byteOffset; i >= 0; i--) {
+	        var found = true;
+
+	        for (var j = 0; j < valLength; j++) {
+	          if (read(arr, i + j) !== read(val, j)) {
+	            found = false;
+	            break;
+	          }
+	        }
+
+	        if (found) return i;
+	      }
+	    }
+
+	    return -1;
+	  }
+
+	  Buffer.prototype.includes = function includes(val, byteOffset, encoding) {
+	    return this.indexOf(val, byteOffset, encoding) !== -1;
+	  };
+
+	  Buffer.prototype.indexOf = function indexOf(val, byteOffset, encoding) {
+	    return bidirectionalIndexOf(this, val, byteOffset, encoding, true);
+	  };
+
+	  Buffer.prototype.lastIndexOf = function lastIndexOf(val, byteOffset, encoding) {
+	    return bidirectionalIndexOf(this, val, byteOffset, encoding, false);
+	  };
+
+	  function hexWrite(buf, string, offset, length) {
+	    offset = Number(offset) || 0;
+	    var remaining = buf.length - offset;
+
+	    if (!length) {
+	      length = remaining;
+	    } else {
+	      length = Number(length);
+
+	      if (length > remaining) {
+	        length = remaining;
+	      }
+	    }
+
+	    var strLen = string.length;
+
+	    if (length > strLen / 2) {
+	      length = strLen / 2;
+	    }
+
+	    for (var i = 0; i < length; ++i) {
+	      var parsed = parseInt(string.substr(i * 2, 2), 16);
+	      if (numberIsNaN(parsed)) return i;
+	      buf[offset + i] = parsed;
+	    }
+
+	    return i;
+	  }
+
+	  function utf8Write(buf, string, offset, length) {
+	    return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length);
+	  }
+
+	  function asciiWrite(buf, string, offset, length) {
+	    return blitBuffer(asciiToBytes(string), buf, offset, length);
+	  }
+
+	  function base64Write(buf, string, offset, length) {
+	    return blitBuffer(base64ToBytes(string), buf, offset, length);
+	  }
+
+	  function ucs2Write(buf, string, offset, length) {
+	    return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length);
+	  }
+
+	  Buffer.prototype.write = function write(string, offset, length, encoding) {
+	    // Buffer#write(string)
+	    if (offset === undefined) {
+	      encoding = 'utf8';
+	      length = this.length;
+	      offset = 0; // Buffer#write(string, encoding)
+	    } else if (length === undefined && typeof offset === 'string') {
+	      encoding = offset;
+	      length = this.length;
+	      offset = 0; // Buffer#write(string, offset[, length][, encoding])
+	    } else if (isFinite(offset)) {
+	      offset = offset >>> 0;
+
+	      if (isFinite(length)) {
+	        length = length >>> 0;
+	        if (encoding === undefined) encoding = 'utf8';
+	      } else {
+	        encoding = length;
+	        length = undefined;
+	      }
+	    } else {
+	      throw new Error('Buffer.write(string, encoding, offset[, length]) is no longer supported');
+	    }
+
+	    var remaining = this.length - offset;
+	    if (length === undefined || length > remaining) length = remaining;
+
+	    if (string.length > 0 && (length < 0 || offset < 0) || offset > this.length) {
+	      throw new RangeError('Attempt to write outside buffer bounds');
+	    }
+
+	    if (!encoding) encoding = 'utf8';
+	    var loweredCase = false;
+
+	    for (;;) {
+	      switch (encoding) {
+	        case 'hex':
+	          return hexWrite(this, string, offset, length);
+
+	        case 'utf8':
+	        case 'utf-8':
+	          return utf8Write(this, string, offset, length);
+
+	        case 'ascii':
+	        case 'latin1':
+	        case 'binary':
+	          return asciiWrite(this, string, offset, length);
+
+	        case 'base64':
+	          // Warning: maxLength not taken into account in base64Write
+	          return base64Write(this, string, offset, length);
+
+	        case 'ucs2':
+	        case 'ucs-2':
+	        case 'utf16le':
+	        case 'utf-16le':
+	          return ucs2Write(this, string, offset, length);
+
+	        default:
+	          if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
+	          encoding = ('' + encoding).toLowerCase();
+	          loweredCase = true;
+	      }
+	    }
+	  };
+
+	  Buffer.prototype.toJSON = function toJSON() {
+	    return {
+	      type: 'Buffer',
+	      data: Array.prototype.slice.call(this._arr || this, 0)
+	    };
+	  };
+
+	  function base64Slice(buf, start, end) {
+	    if (start === 0 && end === buf.length) {
+	      return base64Js.fromByteArray(buf);
+	    } else {
+	      return base64Js.fromByteArray(buf.slice(start, end));
+	    }
+	  }
+
+	  function utf8Slice(buf, start, end) {
+	    end = Math.min(buf.length, end);
+	    var res = [];
+	    var i = start;
+
+	    while (i < end) {
+	      var firstByte = buf[i];
+	      var codePoint = null;
+	      var bytesPerSequence = firstByte > 0xEF ? 4 : firstByte > 0xDF ? 3 : firstByte > 0xBF ? 2 : 1;
+
+	      if (i + bytesPerSequence <= end) {
+	        var secondByte, thirdByte, fourthByte, tempCodePoint;
+
+	        switch (bytesPerSequence) {
+	          case 1:
+	            if (firstByte < 0x80) {
+	              codePoint = firstByte;
+	            }
+
+	            break;
+
+	          case 2:
+	            secondByte = buf[i + 1];
+
+	            if ((secondByte & 0xC0) === 0x80) {
+	              tempCodePoint = (firstByte & 0x1F) << 0x6 | secondByte & 0x3F;
+
+	              if (tempCodePoint > 0x7F) {
+	                codePoint = tempCodePoint;
+	              }
+	            }
+
+	            break;
+
+	          case 3:
+	            secondByte = buf[i + 1];
+	            thirdByte = buf[i + 2];
+
+	            if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+	              tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | thirdByte & 0x3F;
+
+	              if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+	                codePoint = tempCodePoint;
+	              }
+	            }
+
+	            break;
+
+	          case 4:
+	            secondByte = buf[i + 1];
+	            thirdByte = buf[i + 2];
+	            fourthByte = buf[i + 3];
+
+	            if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+	              tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | fourthByte & 0x3F;
+
+	              if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+	                codePoint = tempCodePoint;
+	              }
+	            }
+
+	        }
+	      }
+
+	      if (codePoint === null) {
+	        // we did not generate a valid codePoint so insert a
+	        // replacement char (U+FFFD) and advance only 1 byte
+	        codePoint = 0xFFFD;
+	        bytesPerSequence = 1;
+	      } else if (codePoint > 0xFFFF) {
+	        // encode to utf16 (surrogate pair dance)
+	        codePoint -= 0x10000;
+	        res.push(codePoint >>> 10 & 0x3FF | 0xD800);
+	        codePoint = 0xDC00 | codePoint & 0x3FF;
+	      }
+
+	      res.push(codePoint);
+	      i += bytesPerSequence;
+	    }
+
+	    return decodeCodePointsArray(res);
+	  } // Based on http://stackoverflow.com/a/22747272/680742, the browser with
+	  // the lowest limit is Chrome, with 0x10000 args.
+	  // We go 1 magnitude less, for safety
+
+
+	  var MAX_ARGUMENTS_LENGTH = 0x1000;
+
+	  function decodeCodePointsArray(codePoints) {
+	    var len = codePoints.length;
+
+	    if (len <= MAX_ARGUMENTS_LENGTH) {
+	      return String.fromCharCode.apply(String, codePoints); // avoid extra slice()
+	    } // Decode in chunks to avoid "call stack size exceeded".
+
+
+	    var res = '';
+	    var i = 0;
+
+	    while (i < len) {
+	      res += String.fromCharCode.apply(String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH));
+	    }
+
+	    return res;
+	  }
+
+	  function asciiSlice(buf, start, end) {
+	    var ret = '';
+	    end = Math.min(buf.length, end);
+
+	    for (var i = start; i < end; ++i) {
+	      ret += String.fromCharCode(buf[i] & 0x7F);
+	    }
+
+	    return ret;
+	  }
+
+	  function latin1Slice(buf, start, end) {
+	    var ret = '';
+	    end = Math.min(buf.length, end);
+
+	    for (var i = start; i < end; ++i) {
+	      ret += String.fromCharCode(buf[i]);
+	    }
+
+	    return ret;
+	  }
+
+	  function hexSlice(buf, start, end) {
+	    var len = buf.length;
+	    if (!start || start < 0) start = 0;
+	    if (!end || end < 0 || end > len) end = len;
+	    var out = '';
+
+	    for (var i = start; i < end; ++i) {
+	      out += hexSliceLookupTable[buf[i]];
+	    }
+
+	    return out;
+	  }
+
+	  function utf16leSlice(buf, start, end) {
+	    var bytes = buf.slice(start, end);
+	    var res = ''; // If bytes.length is odd, the last 8 bits must be ignored (same as node.js)
+
+	    for (var i = 0; i < bytes.length - 1; i += 2) {
+	      res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
+	    }
+
+	    return res;
+	  }
+
+	  Buffer.prototype.slice = function slice(start, end) {
+	    var len = this.length;
+	    start = ~~start;
+	    end = end === undefined ? len : ~~end;
+
+	    if (start < 0) {
+	      start += len;
+	      if (start < 0) start = 0;
+	    } else if (start > len) {
+	      start = len;
+	    }
+
+	    if (end < 0) {
+	      end += len;
+	      if (end < 0) end = 0;
+	    } else if (end > len) {
+	      end = len;
+	    }
+
+	    if (end < start) end = start;
+	    var newBuf = this.subarray(start, end); // Return an augmented `Uint8Array` instance
+
+	    Object.setPrototypeOf(newBuf, Buffer.prototype);
+	    return newBuf;
+	  };
+	  /*
+	   * Need to make sure that buffer isn't trying to write out of bounds.
+	   */
+
+
+	  function checkOffset(offset, ext, length) {
+	    if (offset % 1 !== 0 || offset < 0) throw new RangeError('offset is not uint');
+	    if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length');
+	  }
+
+	  Buffer.prototype.readUintLE = Buffer.prototype.readUIntLE = function readUIntLE(offset, byteLength, noAssert) {
+	    offset = offset >>> 0;
+	    byteLength = byteLength >>> 0;
+	    if (!noAssert) checkOffset(offset, byteLength, this.length);
+	    var val = this[offset];
+	    var mul = 1;
+	    var i = 0;
+
+	    while (++i < byteLength && (mul *= 0x100)) {
+	      val += this[offset + i] * mul;
+	    }
+
+	    return val;
+	  };
+
+	  Buffer.prototype.readUintBE = Buffer.prototype.readUIntBE = function readUIntBE(offset, byteLength, noAssert) {
+	    offset = offset >>> 0;
+	    byteLength = byteLength >>> 0;
+
+	    if (!noAssert) {
+	      checkOffset(offset, byteLength, this.length);
+	    }
+
+	    var val = this[offset + --byteLength];
+	    var mul = 1;
+
+	    while (byteLength > 0 && (mul *= 0x100)) {
+	      val += this[offset + --byteLength] * mul;
+	    }
+
+	    return val;
+	  };
+
+	  Buffer.prototype.readUint8 = Buffer.prototype.readUInt8 = function readUInt8(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 1, this.length);
+	    return this[offset];
+	  };
+
+	  Buffer.prototype.readUint16LE = Buffer.prototype.readUInt16LE = function readUInt16LE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 2, this.length);
+	    return this[offset] | this[offset + 1] << 8;
+	  };
+
+	  Buffer.prototype.readUint16BE = Buffer.prototype.readUInt16BE = function readUInt16BE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 2, this.length);
+	    return this[offset] << 8 | this[offset + 1];
+	  };
+
+	  Buffer.prototype.readUint32LE = Buffer.prototype.readUInt32LE = function readUInt32LE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 4, this.length);
+	    return (this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16) + this[offset + 3] * 0x1000000;
+	  };
+
+	  Buffer.prototype.readUint32BE = Buffer.prototype.readUInt32BE = function readUInt32BE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 4, this.length);
+	    return this[offset] * 0x1000000 + (this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3]);
+	  };
+
+	  Buffer.prototype.readIntLE = function readIntLE(offset, byteLength, noAssert) {
+	    offset = offset >>> 0;
+	    byteLength = byteLength >>> 0;
+	    if (!noAssert) checkOffset(offset, byteLength, this.length);
+	    var val = this[offset];
+	    var mul = 1;
+	    var i = 0;
+
+	    while (++i < byteLength && (mul *= 0x100)) {
+	      val += this[offset + i] * mul;
+	    }
+
+	    mul *= 0x80;
+	    if (val >= mul) val -= Math.pow(2, 8 * byteLength);
+	    return val;
+	  };
+
+	  Buffer.prototype.readIntBE = function readIntBE(offset, byteLength, noAssert) {
+	    offset = offset >>> 0;
+	    byteLength = byteLength >>> 0;
+	    if (!noAssert) checkOffset(offset, byteLength, this.length);
+	    var i = byteLength;
+	    var mul = 1;
+	    var val = this[offset + --i];
+
+	    while (i > 0 && (mul *= 0x100)) {
+	      val += this[offset + --i] * mul;
+	    }
+
+	    mul *= 0x80;
+	    if (val >= mul) val -= Math.pow(2, 8 * byteLength);
+	    return val;
+	  };
+
+	  Buffer.prototype.readInt8 = function readInt8(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 1, this.length);
+	    if (!(this[offset] & 0x80)) return this[offset];
+	    return (0xff - this[offset] + 1) * -1;
+	  };
+
+	  Buffer.prototype.readInt16LE = function readInt16LE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 2, this.length);
+	    var val = this[offset] | this[offset + 1] << 8;
+	    return val & 0x8000 ? val | 0xFFFF0000 : val;
+	  };
+
+	  Buffer.prototype.readInt16BE = function readInt16BE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 2, this.length);
+	    var val = this[offset + 1] | this[offset] << 8;
+	    return val & 0x8000 ? val | 0xFFFF0000 : val;
+	  };
+
+	  Buffer.prototype.readInt32LE = function readInt32LE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 4, this.length);
+	    return this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16 | this[offset + 3] << 24;
+	  };
+
+	  Buffer.prototype.readInt32BE = function readInt32BE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 4, this.length);
+	    return this[offset] << 24 | this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3];
+	  };
+
+	  Buffer.prototype.readFloatLE = function readFloatLE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 4, this.length);
+	    return ieee754.read(this, offset, true, 23, 4);
+	  };
+
+	  Buffer.prototype.readFloatBE = function readFloatBE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 4, this.length);
+	    return ieee754.read(this, offset, false, 23, 4);
+	  };
+
+	  Buffer.prototype.readDoubleLE = function readDoubleLE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 8, this.length);
+	    return ieee754.read(this, offset, true, 52, 8);
+	  };
+
+	  Buffer.prototype.readDoubleBE = function readDoubleBE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 8, this.length);
+	    return ieee754.read(this, offset, false, 52, 8);
+	  };
+
+	  function checkInt(buf, value, offset, ext, max, min) {
+	    if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance');
+	    if (value > max || value < min) throw new RangeError('"value" argument is out of bounds');
+	    if (offset + ext > buf.length) throw new RangeError('Index out of range');
+	  }
+
+	  Buffer.prototype.writeUintLE = Buffer.prototype.writeUIntLE = function writeUIntLE(value, offset, byteLength, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    byteLength = byteLength >>> 0;
+
+	    if (!noAssert) {
+	      var maxBytes = Math.pow(2, 8 * byteLength) - 1;
+	      checkInt(this, value, offset, byteLength, maxBytes, 0);
+	    }
+
+	    var mul = 1;
+	    var i = 0;
+	    this[offset] = value & 0xFF;
+
+	    while (++i < byteLength && (mul *= 0x100)) {
+	      this[offset + i] = value / mul & 0xFF;
+	    }
+
+	    return offset + byteLength;
+	  };
+
+	  Buffer.prototype.writeUintBE = Buffer.prototype.writeUIntBE = function writeUIntBE(value, offset, byteLength, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    byteLength = byteLength >>> 0;
+
+	    if (!noAssert) {
+	      var maxBytes = Math.pow(2, 8 * byteLength) - 1;
+	      checkInt(this, value, offset, byteLength, maxBytes, 0);
+	    }
+
+	    var i = byteLength - 1;
+	    var mul = 1;
+	    this[offset + i] = value & 0xFF;
+
+	    while (--i >= 0 && (mul *= 0x100)) {
+	      this[offset + i] = value / mul & 0xFF;
+	    }
+
+	    return offset + byteLength;
+	  };
+
+	  Buffer.prototype.writeUint8 = Buffer.prototype.writeUInt8 = function writeUInt8(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0);
+	    this[offset] = value & 0xff;
+	    return offset + 1;
+	  };
+
+	  Buffer.prototype.writeUint16LE = Buffer.prototype.writeUInt16LE = function writeUInt16LE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
+	    this[offset] = value & 0xff;
+	    this[offset + 1] = value >>> 8;
+	    return offset + 2;
+	  };
+
+	  Buffer.prototype.writeUint16BE = Buffer.prototype.writeUInt16BE = function writeUInt16BE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
+	    this[offset] = value >>> 8;
+	    this[offset + 1] = value & 0xff;
+	    return offset + 2;
+	  };
+
+	  Buffer.prototype.writeUint32LE = Buffer.prototype.writeUInt32LE = function writeUInt32LE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
+	    this[offset + 3] = value >>> 24;
+	    this[offset + 2] = value >>> 16;
+	    this[offset + 1] = value >>> 8;
+	    this[offset] = value & 0xff;
+	    return offset + 4;
+	  };
+
+	  Buffer.prototype.writeUint32BE = Buffer.prototype.writeUInt32BE = function writeUInt32BE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
+	    this[offset] = value >>> 24;
+	    this[offset + 1] = value >>> 16;
+	    this[offset + 2] = value >>> 8;
+	    this[offset + 3] = value & 0xff;
+	    return offset + 4;
+	  };
+
+	  Buffer.prototype.writeIntLE = function writeIntLE(value, offset, byteLength, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+
+	    if (!noAssert) {
+	      var limit = Math.pow(2, 8 * byteLength - 1);
+	      checkInt(this, value, offset, byteLength, limit - 1, -limit);
+	    }
+
+	    var i = 0;
+	    var mul = 1;
+	    var sub = 0;
+	    this[offset] = value & 0xFF;
+
+	    while (++i < byteLength && (mul *= 0x100)) {
+	      if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+	        sub = 1;
+	      }
+
+	      this[offset + i] = (value / mul >> 0) - sub & 0xFF;
+	    }
+
+	    return offset + byteLength;
+	  };
+
+	  Buffer.prototype.writeIntBE = function writeIntBE(value, offset, byteLength, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+
+	    if (!noAssert) {
+	      var limit = Math.pow(2, 8 * byteLength - 1);
+	      checkInt(this, value, offset, byteLength, limit - 1, -limit);
+	    }
+
+	    var i = byteLength - 1;
+	    var mul = 1;
+	    var sub = 0;
+	    this[offset + i] = value & 0xFF;
+
+	    while (--i >= 0 && (mul *= 0x100)) {
+	      if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+	        sub = 1;
+	      }
+
+	      this[offset + i] = (value / mul >> 0) - sub & 0xFF;
+	    }
+
+	    return offset + byteLength;
+	  };
+
+	  Buffer.prototype.writeInt8 = function writeInt8(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80);
+	    if (value < 0) value = 0xff + value + 1;
+	    this[offset] = value & 0xff;
+	    return offset + 1;
+	  };
+
+	  Buffer.prototype.writeInt16LE = function writeInt16LE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
+	    this[offset] = value & 0xff;
+	    this[offset + 1] = value >>> 8;
+	    return offset + 2;
+	  };
+
+	  Buffer.prototype.writeInt16BE = function writeInt16BE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
+	    this[offset] = value >>> 8;
+	    this[offset + 1] = value & 0xff;
+	    return offset + 2;
+	  };
+
+	  Buffer.prototype.writeInt32LE = function writeInt32LE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
+	    this[offset] = value & 0xff;
+	    this[offset + 1] = value >>> 8;
+	    this[offset + 2] = value >>> 16;
+	    this[offset + 3] = value >>> 24;
+	    return offset + 4;
+	  };
+
+	  Buffer.prototype.writeInt32BE = function writeInt32BE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
+	    if (value < 0) value = 0xffffffff + value + 1;
+	    this[offset] = value >>> 24;
+	    this[offset + 1] = value >>> 16;
+	    this[offset + 2] = value >>> 8;
+	    this[offset + 3] = value & 0xff;
+	    return offset + 4;
+	  };
+
+	  function checkIEEE754(buf, value, offset, ext, max, min) {
+	    if (offset + ext > buf.length) throw new RangeError('Index out of range');
+	    if (offset < 0) throw new RangeError('Index out of range');
+	  }
+
+	  function writeFloat(buf, value, offset, littleEndian, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+
+	    if (!noAssert) {
+	      checkIEEE754(buf, value, offset, 4);
+	    }
+
+	    ieee754.write(buf, value, offset, littleEndian, 23, 4);
+	    return offset + 4;
+	  }
+
+	  Buffer.prototype.writeFloatLE = function writeFloatLE(value, offset, noAssert) {
+	    return writeFloat(this, value, offset, true, noAssert);
+	  };
+
+	  Buffer.prototype.writeFloatBE = function writeFloatBE(value, offset, noAssert) {
+	    return writeFloat(this, value, offset, false, noAssert);
+	  };
+
+	  function writeDouble(buf, value, offset, littleEndian, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+
+	    if (!noAssert) {
+	      checkIEEE754(buf, value, offset, 8);
+	    }
+
+	    ieee754.write(buf, value, offset, littleEndian, 52, 8);
+	    return offset + 8;
+	  }
+
+	  Buffer.prototype.writeDoubleLE = function writeDoubleLE(value, offset, noAssert) {
+	    return writeDouble(this, value, offset, true, noAssert);
+	  };
+
+	  Buffer.prototype.writeDoubleBE = function writeDoubleBE(value, offset, noAssert) {
+	    return writeDouble(this, value, offset, false, noAssert);
+	  }; // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+
+
+	  Buffer.prototype.copy = function copy(target, targetStart, start, end) {
+	    if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer');
+	    if (!start) start = 0;
+	    if (!end && end !== 0) end = this.length;
+	    if (targetStart >= target.length) targetStart = target.length;
+	    if (!targetStart) targetStart = 0;
+	    if (end > 0 && end < start) end = start; // Copy 0 bytes; we're done
+
+	    if (end === start) return 0;
+	    if (target.length === 0 || this.length === 0) return 0; // Fatal error conditions
+
+	    if (targetStart < 0) {
+	      throw new RangeError('targetStart out of bounds');
+	    }
+
+	    if (start < 0 || start >= this.length) throw new RangeError('Index out of range');
+	    if (end < 0) throw new RangeError('sourceEnd out of bounds'); // Are we oob?
+
+	    if (end > this.length) end = this.length;
+
+	    if (target.length - targetStart < end - start) {
+	      end = target.length - targetStart + start;
+	    }
+
+	    var len = end - start;
+
+	    if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {
+	      // Use built-in when available, missing from IE11
+	      this.copyWithin(targetStart, start, end);
+	    } else {
+	      Uint8Array.prototype.set.call(target, this.subarray(start, end), targetStart);
+	    }
+
+	    return len;
+	  }; // Usage:
+	  //    buffer.fill(number[, offset[, end]])
+	  //    buffer.fill(buffer[, offset[, end]])
+	  //    buffer.fill(string[, offset[, end]][, encoding])
+
+
+	  Buffer.prototype.fill = function fill(val, start, end, encoding) {
+	    // Handle string cases:
+	    if (typeof val === 'string') {
+	      if (typeof start === 'string') {
+	        encoding = start;
+	        start = 0;
+	        end = this.length;
+	      } else if (typeof end === 'string') {
+	        encoding = end;
+	        end = this.length;
+	      }
+
+	      if (encoding !== undefined && typeof encoding !== 'string') {
+	        throw new TypeError('encoding must be a string');
+	      }
+
+	      if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+	        throw new TypeError('Unknown encoding: ' + encoding);
+	      }
+
+	      if (val.length === 1) {
+	        var code = val.charCodeAt(0);
+
+	        if (encoding === 'utf8' && code < 128 || encoding === 'latin1') {
+	          // Fast path: If `val` fits into a single byte, use that numeric value.
+	          val = code;
+	        }
+	      }
+	    } else if (typeof val === 'number') {
+	      val = val & 255;
+	    } else if (typeof val === 'boolean') {
+	      val = Number(val);
+	    } // Invalid ranges are not set to a default, so can range check early.
+
+
+	    if (start < 0 || this.length < start || this.length < end) {
+	      throw new RangeError('Out of range index');
+	    }
+
+	    if (end <= start) {
+	      return this;
+	    }
+
+	    start = start >>> 0;
+	    end = end === undefined ? this.length : end >>> 0;
+	    if (!val) val = 0;
+	    var i;
+
+	    if (typeof val === 'number') {
+	      for (i = start; i < end; ++i) {
+	        this[i] = val;
+	      }
+	    } else {
+	      var bytes = Buffer.isBuffer(val) ? val : Buffer.from(val, encoding);
+	      var len = bytes.length;
+
+	      if (len === 0) {
+	        throw new TypeError('The value "' + val + '" is invalid for argument "value"');
+	      }
+
+	      for (i = 0; i < end - start; ++i) {
+	        this[i + start] = bytes[i % len];
+	      }
+	    }
+
+	    return this;
+	  }; // HELPER FUNCTIONS
+	  // ================
+
+
+	  var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g;
+
+	  function base64clean(str) {
+	    // Node takes equal signs as end of the Base64 encoding
+	    str = str.split('=')[0]; // Node strips out invalid characters like \n and \t from the string, base64-js does not
+
+	    str = str.trim().replace(INVALID_BASE64_RE, ''); // Node converts strings with length < 2 to ''
+
+	    if (str.length < 2) return ''; // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+
+	    while (str.length % 4 !== 0) {
+	      str = str + '=';
+	    }
+
+	    return str;
+	  }
+
+	  function utf8ToBytes(string, units) {
+	    units = units || Infinity;
+	    var codePoint;
+	    var length = string.length;
+	    var leadSurrogate = null;
+	    var bytes = [];
+
+	    for (var i = 0; i < length; ++i) {
+	      codePoint = string.charCodeAt(i); // is surrogate component
+
+	      if (codePoint > 0xD7FF && codePoint < 0xE000) {
+	        // last char was a lead
+	        if (!leadSurrogate) {
+	          // no lead yet
+	          if (codePoint > 0xDBFF) {
+	            // unexpected trail
+	            if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+	            continue;
+	          } else if (i + 1 === length) {
+	            // unpaired lead
+	            if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+	            continue;
+	          } // valid lead
+
+
+	          leadSurrogate = codePoint;
+	          continue;
+	        } // 2 leads in a row
+
+
+	        if (codePoint < 0xDC00) {
+	          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+	          leadSurrogate = codePoint;
+	          continue;
+	        } // valid surrogate pair
+
+
+	        codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000;
+	      } else if (leadSurrogate) {
+	        // valid bmp char, but last char was a lead
+	        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+	      }
+
+	      leadSurrogate = null; // encode utf8
+
+	      if (codePoint < 0x80) {
+	        if ((units -= 1) < 0) break;
+	        bytes.push(codePoint);
+	      } else if (codePoint < 0x800) {
+	        if ((units -= 2) < 0) break;
+	        bytes.push(codePoint >> 0x6 | 0xC0, codePoint & 0x3F | 0x80);
+	      } else if (codePoint < 0x10000) {
+	        if ((units -= 3) < 0) break;
+	        bytes.push(codePoint >> 0xC | 0xE0, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
+	      } else if (codePoint < 0x110000) {
+	        if ((units -= 4) < 0) break;
+	        bytes.push(codePoint >> 0x12 | 0xF0, codePoint >> 0xC & 0x3F | 0x80, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
+	      } else {
+	        throw new Error('Invalid code point');
+	      }
+	    }
+
+	    return bytes;
+	  }
+
+	  function asciiToBytes(str) {
+	    var byteArray = [];
+
+	    for (var i = 0; i < str.length; ++i) {
+	      // Node's code seems to be doing this and not & 0x7F..
+	      byteArray.push(str.charCodeAt(i) & 0xFF);
+	    }
+
+	    return byteArray;
+	  }
+
+	  function utf16leToBytes(str, units) {
+	    var c, hi, lo;
+	    var byteArray = [];
+
+	    for (var i = 0; i < str.length; ++i) {
+	      if ((units -= 2) < 0) break;
+	      c = str.charCodeAt(i);
+	      hi = c >> 8;
+	      lo = c % 256;
+	      byteArray.push(lo);
+	      byteArray.push(hi);
+	    }
+
+	    return byteArray;
+	  }
+
+	  function base64ToBytes(str) {
+	    return base64Js.toByteArray(base64clean(str));
+	  }
+
+	  function blitBuffer(src, dst, offset, length) {
+	    for (var i = 0; i < length; ++i) {
+	      if (i + offset >= dst.length || i >= src.length) break;
+	      dst[i + offset] = src[i];
+	    }
+
+	    return i;
+	  } // ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass
+	  // the `instanceof` check but they should be treated as of that type.
+	  // See: https://github.com/feross/buffer/issues/166
+
+
+	  function isInstance(obj, type) {
+	    return obj instanceof type || obj != null && obj.constructor != null && obj.constructor.name != null && obj.constructor.name === type.name;
+	  }
+
+	  function numberIsNaN(obj) {
+	    // For IE11 support
+	    return obj !== obj; // eslint-disable-line no-self-compare
+	  } // Create lookup table for `toString('hex')`
+	  // See: https://github.com/feross/buffer/issues/219
+
+
+	  var hexSliceLookupTable = function () {
+	    var alphabet = '0123456789abcdef';
+	    var table = new Array(256);
+
+	    for (var i = 0; i < 16; ++i) {
+	      var i16 = i * 16;
+
+	      for (var j = 0; j < 16; ++j) {
+	        table[i16 + j] = alphabet[i] + alphabet[j];
+	      }
+	    }
+
+	    return table;
+	  }();
+	});
+	var buffer_1 = buffer$1.Buffer;
+	buffer$1.SlowBuffer;
+	buffer$1.INSPECT_MAX_BYTES;
+	buffer$1.kMaxLength;
+
+	/*! *****************************************************************************
+	Copyright (c) Microsoft Corporation.
+
+	Permission to use, copy, modify, and/or distribute this software for any
+	purpose with or without fee is hereby granted.
+
+	THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+	REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+	AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+	INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+	LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+	OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+	PERFORMANCE OF THIS SOFTWARE.
+	***************************************************************************** */
+
+	/* global Reflect, Promise */
+	var _extendStatics = function extendStatics(d, b) {
+	  _extendStatics = Object.setPrototypeOf || {
+	    __proto__: []
+	  } instanceof Array && function (d, b) {
+	    d.__proto__ = b;
+	  } || function (d, b) {
+	    for (var p in b) {
+	      if (b.hasOwnProperty(p)) d[p] = b[p];
+	    }
+	  };
+
+	  return _extendStatics(d, b);
+	};
+
+	function __extends(d, b) {
+	  _extendStatics(d, b);
+
+	  function __() {
+	    this.constructor = d;
+	  }
+
+	  d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+	}
+
+	var _assign = function __assign() {
+	  _assign = Object.assign || function __assign(t) {
+	    for (var s, i = 1, n = arguments.length; i < n; i++) {
+	      s = arguments[i];
+
+	      for (var p in s) {
+	        if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
+	      }
+	    }
+
+	    return t;
+	  };
+
+	  return _assign.apply(this, arguments);
+	};
+
+	/** @public */
+	var BSONError = /** @class */ (function (_super) {
+	    __extends(BSONError, _super);
+	    function BSONError(message) {
+	        var _this = _super.call(this, message) || this;
+	        Object.setPrototypeOf(_this, BSONError.prototype);
+	        return _this;
+	    }
+	    Object.defineProperty(BSONError.prototype, "name", {
+	        get: function () {
+	            return 'BSONError';
+	        },
+	        enumerable: false,
+	        configurable: true
+	    });
+	    return BSONError;
+	}(Error));
+	/** @public */
+	var BSONTypeError = /** @class */ (function (_super) {
+	    __extends(BSONTypeError, _super);
+	    function BSONTypeError(message) {
+	        var _this = _super.call(this, message) || this;
+	        Object.setPrototypeOf(_this, BSONTypeError.prototype);
+	        return _this;
+	    }
+	    Object.defineProperty(BSONTypeError.prototype, "name", {
+	        get: function () {
+	            return 'BSONTypeError';
+	        },
+	        enumerable: false,
+	        configurable: true
+	    });
+	    return BSONTypeError;
+	}(TypeError));
+
+	function checkForMath(potentialGlobal) {
+	    // eslint-disable-next-line eqeqeq
+	    return potentialGlobal && potentialGlobal.Math == Math && potentialGlobal;
+	}
+	// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
+	function getGlobal() {
+	    return (checkForMath(typeof globalThis === 'object' && globalThis) ||
+	        checkForMath(typeof window === 'object' && window) ||
+	        checkForMath(typeof self === 'object' && self) ||
+	        checkForMath(typeof global === 'object' && global) ||
+	        // eslint-disable-next-line @typescript-eslint/no-implied-eval
+	        Function('return this')());
+	}
+
+	/**
+	 * Normalizes our expected stringified form of a function across versions of node
+	 * @param fn - The function to stringify
+	 */
+	function normalizedFunctionString(fn) {
+	    return fn.toString().replace('function(', 'function (');
+	}
+	function isReactNative() {
+	    var g = getGlobal();
+	    return typeof g.navigator === 'object' && g.navigator.product === 'ReactNative';
+	}
+	var insecureRandomBytes = function insecureRandomBytes(size) {
+	    var insecureWarning = isReactNative()
+	        ? 'BSON: For React Native please polyfill crypto.getRandomValues, e.g. using: https://www.npmjs.com/package/react-native-get-random-values.'
+	        : 'BSON: No cryptographic implementation for random bytes present, falling back to a less secure implementation.';
+	    console.warn(insecureWarning);
+	    var result = buffer_1.alloc(size);
+	    for (var i = 0; i < size; ++i)
+	        result[i] = Math.floor(Math.random() * 256);
+	    return result;
+	};
+	var detectRandomBytes = function () {
+	    {
+	        if (typeof window !== 'undefined') {
+	            // browser crypto implementation(s)
+	            var target_1 = window.crypto || window.msCrypto; // allow for IE11
+	            if (target_1 && target_1.getRandomValues) {
+	                return function (size) { return target_1.getRandomValues(buffer_1.alloc(size)); };
+	            }
+	        }
+	        if (typeof global !== 'undefined' && global.crypto && global.crypto.getRandomValues) {
+	            // allow for RN packages such as https://www.npmjs.com/package/react-native-get-random-values to populate global
+	            return function (size) { return global.crypto.getRandomValues(buffer_1.alloc(size)); };
+	        }
+	        return insecureRandomBytes;
+	    }
+	};
+	var randomBytes = detectRandomBytes();
+	function isAnyArrayBuffer(value) {
+	    return ['[object ArrayBuffer]', '[object SharedArrayBuffer]'].includes(Object.prototype.toString.call(value));
+	}
+	function isUint8Array(value) {
+	    return Object.prototype.toString.call(value) === '[object Uint8Array]';
+	}
+	function isBigInt64Array(value) {
+	    return Object.prototype.toString.call(value) === '[object BigInt64Array]';
+	}
+	function isBigUInt64Array(value) {
+	    return Object.prototype.toString.call(value) === '[object BigUint64Array]';
+	}
+	function isRegExp(d) {
+	    return Object.prototype.toString.call(d) === '[object RegExp]';
+	}
+	function isMap(d) {
+	    return Object.prototype.toString.call(d) === '[object Map]';
+	}
+	// To ensure that 0.4 of node works correctly
+	function isDate(d) {
+	    return isObjectLike(d) && Object.prototype.toString.call(d) === '[object Date]';
+	}
+	/**
+	 * @internal
+	 * this is to solve the `'someKey' in x` problem where x is unknown.
+	 * https://github.com/typescript-eslint/typescript-eslint/issues/1071#issuecomment-541955753
+	 */
+	function isObjectLike(candidate) {
+	    return typeof candidate === 'object' && candidate !== null;
+	}
+	function deprecate(fn, message) {
+	    var warned = false;
+	    function deprecated() {
+	        var args = [];
+	        for (var _i = 0; _i < arguments.length; _i++) {
+	            args[_i] = arguments[_i];
+	        }
+	        if (!warned) {
+	            console.warn(message);
+	            warned = true;
+	        }
+	        return fn.apply(this, args);
+	    }
+	    return deprecated;
+	}
+
+	/**
+	 * Makes sure that, if a Uint8Array is passed in, it is wrapped in a Buffer.
+	 *
+	 * @param potentialBuffer - The potential buffer
+	 * @returns Buffer the input if potentialBuffer is a buffer, or a buffer that
+	 * wraps a passed in Uint8Array
+	 * @throws BSONTypeError If anything other than a Buffer or Uint8Array is passed in
+	 */
+	function ensureBuffer(potentialBuffer) {
+	    if (ArrayBuffer.isView(potentialBuffer)) {
+	        return buffer_1.from(potentialBuffer.buffer, potentialBuffer.byteOffset, potentialBuffer.byteLength);
+	    }
+	    if (isAnyArrayBuffer(potentialBuffer)) {
+	        return buffer_1.from(potentialBuffer);
+	    }
+	    throw new BSONTypeError('Must use either Buffer or TypedArray');
+	}
+
+	// Validation regex for v4 uuid (validates with or without dashes)
+	var VALIDATION_REGEX = /^(?:[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|[0-9a-f]{12}4[0-9a-f]{3}[89ab][0-9a-f]{15})$/i;
+	var uuidValidateString = function (str) {
+	    return typeof str === 'string' && VALIDATION_REGEX.test(str);
+	};
+	var uuidHexStringToBuffer = function (hexString) {
+	    if (!uuidValidateString(hexString)) {
+	        throw new BSONTypeError('UUID string representations must be a 32 or 36 character hex string (dashes excluded/included). Format: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" or "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx".');
+	    }
+	    var sanitizedHexString = hexString.replace(/-/g, '');
+	    return buffer_1.from(sanitizedHexString, 'hex');
+	};
+	var bufferToUuidHexString = function (buffer, includeDashes) {
+	    if (includeDashes === void 0) { includeDashes = true; }
+	    return includeDashes
+	        ? buffer.toString('hex', 0, 4) +
+	            '-' +
+	            buffer.toString('hex', 4, 6) +
+	            '-' +
+	            buffer.toString('hex', 6, 8) +
+	            '-' +
+	            buffer.toString('hex', 8, 10) +
+	            '-' +
+	            buffer.toString('hex', 10, 16)
+	        : buffer.toString('hex');
+	};
+
+	/** @internal */
+	var BSON_INT32_MAX$1 = 0x7fffffff;
+	/** @internal */
+	var BSON_INT32_MIN$1 = -0x80000000;
+	/** @internal */
+	var BSON_INT64_MAX$1 = Math.pow(2, 63) - 1;
+	/** @internal */
+	var BSON_INT64_MIN$1 = -Math.pow(2, 63);
+	/**
+	 * Any integer up to 2^53 can be precisely represented by a double.
+	 * @internal
+	 */
+	var JS_INT_MAX = Math.pow(2, 53);
+	/**
+	 * Any integer down to -2^53 can be precisely represented by a double.
+	 * @internal
+	 */
+	var JS_INT_MIN = -Math.pow(2, 53);
+	/** Number BSON Type @internal */
+	var BSON_DATA_NUMBER = 1;
+	/** String BSON Type @internal */
+	var BSON_DATA_STRING = 2;
+	/** Object BSON Type @internal */
+	var BSON_DATA_OBJECT = 3;
+	/** Array BSON Type @internal */
+	var BSON_DATA_ARRAY = 4;
+	/** Binary BSON Type @internal */
+	var BSON_DATA_BINARY = 5;
+	/** Binary BSON Type @internal */
+	var BSON_DATA_UNDEFINED = 6;
+	/** ObjectId BSON Type @internal */
+	var BSON_DATA_OID = 7;
+	/** Boolean BSON Type @internal */
+	var BSON_DATA_BOOLEAN = 8;
+	/** Date BSON Type @internal */
+	var BSON_DATA_DATE = 9;
+	/** null BSON Type @internal */
+	var BSON_DATA_NULL = 10;
+	/** RegExp BSON Type @internal */
+	var BSON_DATA_REGEXP = 11;
+	/** Code BSON Type @internal */
+	var BSON_DATA_DBPOINTER = 12;
+	/** Code BSON Type @internal */
+	var BSON_DATA_CODE = 13;
+	/** Symbol BSON Type @internal */
+	var BSON_DATA_SYMBOL = 14;
+	/** Code with Scope BSON Type @internal */
+	var BSON_DATA_CODE_W_SCOPE = 15;
+	/** 32 bit Integer BSON Type @internal */
+	var BSON_DATA_INT = 16;
+	/** Timestamp BSON Type @internal */
+	var BSON_DATA_TIMESTAMP = 17;
+	/** Long BSON Type @internal */
+	var BSON_DATA_LONG = 18;
+	/** Decimal128 BSON Type @internal */
+	var BSON_DATA_DECIMAL128 = 19;
+	/** MinKey BSON Type @internal */
+	var BSON_DATA_MIN_KEY = 0xff;
+	/** MaxKey BSON Type @internal */
+	var BSON_DATA_MAX_KEY = 0x7f;
+	/** Binary Default Type @internal */
+	var BSON_BINARY_SUBTYPE_DEFAULT = 0;
+	/** Binary Function Type @internal */
+	var BSON_BINARY_SUBTYPE_FUNCTION = 1;
+	/** Binary Byte Array Type @internal */
+	var BSON_BINARY_SUBTYPE_BYTE_ARRAY = 2;
+	/** Binary Deprecated UUID Type @deprecated Please use BSON_BINARY_SUBTYPE_UUID_NEW @internal */
+	var BSON_BINARY_SUBTYPE_UUID = 3;
+	/** Binary UUID Type @internal */
+	var BSON_BINARY_SUBTYPE_UUID_NEW = 4;
+	/** Binary MD5 Type @internal */
+	var BSON_BINARY_SUBTYPE_MD5 = 5;
+	/** Encrypted BSON type @internal */
+	var BSON_BINARY_SUBTYPE_ENCRYPTED = 6;
+	/** Column BSON type @internal */
+	var BSON_BINARY_SUBTYPE_COLUMN = 7;
+	/** Binary User Defined Type @internal */
+	var BSON_BINARY_SUBTYPE_USER_DEFINED = 128;
+
+	/**
+	 * A class representation of the BSON Binary type.
+	 * @public
+	 * @category BSONType
+	 */
+	var Binary = /** @class */ (function () {
+	    /**
+	     * Create a new Binary instance.
+	     *
+	     * This constructor can accept a string as its first argument. In this case,
+	     * this string will be encoded using ISO-8859-1, **not** using UTF-8.
+	     * This is almost certainly not what you want. Use `new Binary(Buffer.from(string))`
+	     * instead to convert the string to a Buffer using UTF-8 first.
+	     *
+	     * @param buffer - a buffer object containing the binary data.
+	     * @param subType - the option binary type.
+	     */
+	    function Binary(buffer, subType) {
+	        if (!(this instanceof Binary))
+	            return new Binary(buffer, subType);
+	        if (!(buffer == null) &&
+	            !(typeof buffer === 'string') &&
+	            !ArrayBuffer.isView(buffer) &&
+	            !(buffer instanceof ArrayBuffer) &&
+	            !Array.isArray(buffer)) {
+	            throw new BSONTypeError('Binary can only be constructed from string, Buffer, TypedArray, or Array<number>');
+	        }
+	        this.sub_type = subType !== null && subType !== void 0 ? subType : Binary.BSON_BINARY_SUBTYPE_DEFAULT;
+	        if (buffer == null) {
+	            // create an empty binary buffer
+	            this.buffer = buffer_1.alloc(Binary.BUFFER_SIZE);
+	            this.position = 0;
+	        }
+	        else {
+	            if (typeof buffer === 'string') {
+	                // string
+	                this.buffer = buffer_1.from(buffer, 'binary');
+	            }
+	            else if (Array.isArray(buffer)) {
+	                // number[]
+	                this.buffer = buffer_1.from(buffer);
+	            }
+	            else {
+	                // Buffer | TypedArray | ArrayBuffer
+	                this.buffer = ensureBuffer(buffer);
+	            }
+	            this.position = this.buffer.byteLength;
+	        }
+	    }
+	    /**
+	     * Updates this binary with byte_value.
+	     *
+	     * @param byteValue - a single byte we wish to write.
+	     */
+	    Binary.prototype.put = function (byteValue) {
+	        // If it's a string and a has more than one character throw an error
+	        if (typeof byteValue === 'string' && byteValue.length !== 1) {
+	            throw new BSONTypeError('only accepts single character String');
+	        }
+	        else if (typeof byteValue !== 'number' && byteValue.length !== 1)
+	            throw new BSONTypeError('only accepts single character Uint8Array or Array');
+	        // Decode the byte value once
+	        var decodedByte;
+	        if (typeof byteValue === 'string') {
+	            decodedByte = byteValue.charCodeAt(0);
+	        }
+	        else if (typeof byteValue === 'number') {
+	            decodedByte = byteValue;
+	        }
+	        else {
+	            decodedByte = byteValue[0];
+	        }
+	        if (decodedByte < 0 || decodedByte > 255) {
+	            throw new BSONTypeError('only accepts number in a valid unsigned byte range 0-255');
+	        }
+	        if (this.buffer.length > this.position) {
+	            this.buffer[this.position++] = decodedByte;
+	        }
+	        else {
+	            var buffer = buffer_1.alloc(Binary.BUFFER_SIZE + this.buffer.length);
+	            // Combine the two buffers together
+	            this.buffer.copy(buffer, 0, 0, this.buffer.length);
+	            this.buffer = buffer;
+	            this.buffer[this.position++] = decodedByte;
+	        }
+	    };
+	    /**
+	     * Writes a buffer or string to the binary.
+	     *
+	     * @param sequence - a string or buffer to be written to the Binary BSON object.
+	     * @param offset - specify the binary of where to write the content.
+	     */
+	    Binary.prototype.write = function (sequence, offset) {
+	        offset = typeof offset === 'number' ? offset : this.position;
+	        // If the buffer is to small let's extend the buffer
+	        if (this.buffer.length < offset + sequence.length) {
+	            var buffer = buffer_1.alloc(this.buffer.length + sequence.length);
+	            this.buffer.copy(buffer, 0, 0, this.buffer.length);
+	            // Assign the new buffer
+	            this.buffer = buffer;
+	        }
+	        if (ArrayBuffer.isView(sequence)) {
+	            this.buffer.set(ensureBuffer(sequence), offset);
+	            this.position =
+	                offset + sequence.byteLength > this.position ? offset + sequence.length : this.position;
+	        }
+	        else if (typeof sequence === 'string') {
+	            this.buffer.write(sequence, offset, sequence.length, 'binary');
+	            this.position =
+	                offset + sequence.length > this.position ? offset + sequence.length : this.position;
+	        }
+	    };
+	    /**
+	     * Reads **length** bytes starting at **position**.
+	     *
+	     * @param position - read from the given position in the Binary.
+	     * @param length - the number of bytes to read.
+	     */
+	    Binary.prototype.read = function (position, length) {
+	        length = length && length > 0 ? length : this.position;
+	        // Let's return the data based on the type we have
+	        return this.buffer.slice(position, position + length);
+	    };
+	    /**
+	     * Returns the value of this binary as a string.
+	     * @param asRaw - Will skip converting to a string
+	     * @remarks
+	     * This is handy when calling this function conditionally for some key value pairs and not others
+	     */
+	    Binary.prototype.value = function (asRaw) {
+	        asRaw = !!asRaw;
+	        // Optimize to serialize for the situation where the data == size of buffer
+	        if (asRaw && this.buffer.length === this.position) {
+	            return this.buffer;
+	        }
+	        // If it's a node.js buffer object
+	        if (asRaw) {
+	            return this.buffer.slice(0, this.position);
+	        }
+	        return this.buffer.toString('binary', 0, this.position);
+	    };
+	    /** the length of the binary sequence */
+	    Binary.prototype.length = function () {
+	        return this.position;
+	    };
+	    Binary.prototype.toJSON = function () {
+	        return this.buffer.toString('base64');
+	    };
+	    Binary.prototype.toString = function (format) {
+	        return this.buffer.toString(format);
+	    };
+	    /** @internal */
+	    Binary.prototype.toExtendedJSON = function (options) {
+	        options = options || {};
+	        var base64String = this.buffer.toString('base64');
+	        var subType = Number(this.sub_type).toString(16);
+	        if (options.legacy) {
+	            return {
+	                $binary: base64String,
+	                $type: subType.length === 1 ? '0' + subType : subType
+	            };
+	        }
+	        return {
+	            $binary: {
+	                base64: base64String,
+	                subType: subType.length === 1 ? '0' + subType : subType
+	            }
+	        };
+	    };
+	    Binary.prototype.toUUID = function () {
+	        if (this.sub_type === Binary.SUBTYPE_UUID) {
+	            return new UUID(this.buffer.slice(0, this.position));
+	        }
+	        throw new BSONError("Binary sub_type \"".concat(this.sub_type, "\" is not supported for converting to UUID. Only \"").concat(Binary.SUBTYPE_UUID, "\" is currently supported."));
+	    };
+	    /** @internal */
+	    Binary.fromExtendedJSON = function (doc, options) {
+	        options = options || {};
+	        var data;
+	        var type;
+	        if ('$binary' in doc) {
+	            if (options.legacy && typeof doc.$binary === 'string' && '$type' in doc) {
+	                type = doc.$type ? parseInt(doc.$type, 16) : 0;
+	                data = buffer_1.from(doc.$binary, 'base64');
+	            }
+	            else {
+	                if (typeof doc.$binary !== 'string') {
+	                    type = doc.$binary.subType ? parseInt(doc.$binary.subType, 16) : 0;
+	                    data = buffer_1.from(doc.$binary.base64, 'base64');
+	                }
+	            }
+	        }
+	        else if ('$uuid' in doc) {
+	            type = 4;
+	            data = uuidHexStringToBuffer(doc.$uuid);
+	        }
+	        if (!data) {
+	            throw new BSONTypeError("Unexpected Binary Extended JSON format ".concat(JSON.stringify(doc)));
+	        }
+	        return type === BSON_BINARY_SUBTYPE_UUID_NEW ? new UUID(data) : new Binary(data, type);
+	    };
+	    /** @internal */
+	    Binary.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Binary.prototype.inspect = function () {
+	        var asBuffer = this.value(true);
+	        return "new Binary(Buffer.from(\"".concat(asBuffer.toString('hex'), "\", \"hex\"), ").concat(this.sub_type, ")");
+	    };
+	    /**
+	     * Binary default subtype
+	     * @internal
+	     */
+	    Binary.BSON_BINARY_SUBTYPE_DEFAULT = 0;
+	    /** Initial buffer default size */
+	    Binary.BUFFER_SIZE = 256;
+	    /** Default BSON type */
+	    Binary.SUBTYPE_DEFAULT = 0;
+	    /** Function BSON type */
+	    Binary.SUBTYPE_FUNCTION = 1;
+	    /** Byte Array BSON type */
+	    Binary.SUBTYPE_BYTE_ARRAY = 2;
+	    /** Deprecated UUID BSON type @deprecated Please use SUBTYPE_UUID */
+	    Binary.SUBTYPE_UUID_OLD = 3;
+	    /** UUID BSON type */
+	    Binary.SUBTYPE_UUID = 4;
+	    /** MD5 BSON type */
+	    Binary.SUBTYPE_MD5 = 5;
+	    /** Encrypted BSON type */
+	    Binary.SUBTYPE_ENCRYPTED = 6;
+	    /** Column BSON type */
+	    Binary.SUBTYPE_COLUMN = 7;
+	    /** User BSON type */
+	    Binary.SUBTYPE_USER_DEFINED = 128;
+	    return Binary;
+	}());
+	Object.defineProperty(Binary.prototype, '_bsontype', { value: 'Binary' });
+	var UUID_BYTE_LENGTH = 16;
+	/**
+	 * A class representation of the BSON UUID type.
+	 * @public
+	 */
+	var UUID = /** @class */ (function (_super) {
+	    __extends(UUID, _super);
+	    /**
+	     * Create an UUID type
+	     *
+	     * @param input - Can be a 32 or 36 character hex string (dashes excluded/included) or a 16 byte binary Buffer.
+	     */
+	    function UUID(input) {
+	        var _this = this;
+	        var bytes;
+	        var hexStr;
+	        if (input == null) {
+	            bytes = UUID.generate();
+	        }
+	        else if (input instanceof UUID) {
+	            bytes = buffer_1.from(input.buffer);
+	            hexStr = input.__id;
+	        }
+	        else if (ArrayBuffer.isView(input) && input.byteLength === UUID_BYTE_LENGTH) {
+	            bytes = ensureBuffer(input);
+	        }
+	        else if (typeof input === 'string') {
+	            bytes = uuidHexStringToBuffer(input);
+	        }
+	        else {
+	            throw new BSONTypeError('Argument passed in UUID constructor must be a UUID, a 16 byte Buffer or a 32/36 character hex string (dashes excluded/included, format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).');
+	        }
+	        _this = _super.call(this, bytes, BSON_BINARY_SUBTYPE_UUID_NEW) || this;
+	        _this.__id = hexStr;
+	        return _this;
+	    }
+	    Object.defineProperty(UUID.prototype, "id", {
+	        /**
+	         * The UUID bytes
+	         * @readonly
+	         */
+	        get: function () {
+	            return this.buffer;
+	        },
+	        set: function (value) {
+	            this.buffer = value;
+	            if (UUID.cacheHexString) {
+	                this.__id = bufferToUuidHexString(value);
+	            }
+	        },
+	        enumerable: false,
+	        configurable: true
+	    });
+	    /**
+	     * Returns the UUID id as a 32 or 36 character hex string representation, excluding/including dashes (defaults to 36 character dash separated)
+	     * @param includeDashes - should the string exclude dash-separators.
+	     * */
+	    UUID.prototype.toHexString = function (includeDashes) {
+	        if (includeDashes === void 0) { includeDashes = true; }
+	        if (UUID.cacheHexString && this.__id) {
+	            return this.__id;
+	        }
+	        var uuidHexString = bufferToUuidHexString(this.id, includeDashes);
+	        if (UUID.cacheHexString) {
+	            this.__id = uuidHexString;
+	        }
+	        return uuidHexString;
+	    };
+	    /**
+	     * Converts the id into a 36 character (dashes included) hex string, unless a encoding is specified.
+	     */
+	    UUID.prototype.toString = function (encoding) {
+	        return encoding ? this.id.toString(encoding) : this.toHexString();
+	    };
+	    /**
+	     * Converts the id into its JSON string representation.
+	     * A 36 character (dashes included) hex string in the format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+	     */
+	    UUID.prototype.toJSON = function () {
+	        return this.toHexString();
+	    };
+	    /**
+	     * Compares the equality of this UUID with `otherID`.
+	     *
+	     * @param otherId - UUID instance to compare against.
+	     */
+	    UUID.prototype.equals = function (otherId) {
+	        if (!otherId) {
+	            return false;
+	        }
+	        if (otherId instanceof UUID) {
+	            return otherId.id.equals(this.id);
+	        }
+	        try {
+	            return new UUID(otherId).id.equals(this.id);
+	        }
+	        catch (_a) {
+	            return false;
+	        }
+	    };
+	    /**
+	     * Creates a Binary instance from the current UUID.
+	     */
+	    UUID.prototype.toBinary = function () {
+	        return new Binary(this.id, Binary.SUBTYPE_UUID);
+	    };
+	    /**
+	     * Generates a populated buffer containing a v4 uuid
+	     */
+	    UUID.generate = function () {
+	        var bytes = randomBytes(UUID_BYTE_LENGTH);
+	        // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
+	        // Kindly borrowed from https://github.com/uuidjs/uuid/blob/master/src/v4.js
+	        bytes[6] = (bytes[6] & 0x0f) | 0x40;
+	        bytes[8] = (bytes[8] & 0x3f) | 0x80;
+	        return buffer_1.from(bytes);
+	    };
+	    /**
+	     * Checks if a value is a valid bson UUID
+	     * @param input - UUID, string or Buffer to validate.
+	     */
+	    UUID.isValid = function (input) {
+	        if (!input) {
+	            return false;
+	        }
+	        if (input instanceof UUID) {
+	            return true;
+	        }
+	        if (typeof input === 'string') {
+	            return uuidValidateString(input);
+	        }
+	        if (isUint8Array(input)) {
+	            // check for length & uuid version (https://tools.ietf.org/html/rfc4122#section-4.1.3)
+	            if (input.length !== UUID_BYTE_LENGTH) {
+	                return false;
+	            }
+	            return (input[6] & 0xf0) === 0x40 && (input[8] & 0x80) === 0x80;
+	        }
+	        return false;
+	    };
+	    /**
+	     * Creates an UUID from a hex string representation of an UUID.
+	     * @param hexString - 32 or 36 character hex string (dashes excluded/included).
+	     */
+	    UUID.createFromHexString = function (hexString) {
+	        var buffer = uuidHexStringToBuffer(hexString);
+	        return new UUID(buffer);
+	    };
+	    /**
+	     * Converts to a string representation of this Id.
+	     *
+	     * @returns return the 36 character hex string representation.
+	     * @internal
+	     */
+	    UUID.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    UUID.prototype.inspect = function () {
+	        return "new UUID(\"".concat(this.toHexString(), "\")");
+	    };
+	    return UUID;
+	}(Binary));
+
+	/**
+	 * A class representation of the BSON Code type.
+	 * @public
+	 * @category BSONType
+	 */
+	var Code = /** @class */ (function () {
+	    /**
+	     * @param code - a string or function.
+	     * @param scope - an optional scope for the function.
+	     */
+	    function Code(code, scope) {
+	        if (!(this instanceof Code))
+	            return new Code(code, scope);
+	        this.code = code;
+	        this.scope = scope;
+	    }
+	    Code.prototype.toJSON = function () {
+	        return { code: this.code, scope: this.scope };
+	    };
+	    /** @internal */
+	    Code.prototype.toExtendedJSON = function () {
+	        if (this.scope) {
+	            return { $code: this.code, $scope: this.scope };
+	        }
+	        return { $code: this.code };
+	    };
+	    /** @internal */
+	    Code.fromExtendedJSON = function (doc) {
+	        return new Code(doc.$code, doc.$scope);
+	    };
+	    /** @internal */
+	    Code.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Code.prototype.inspect = function () {
+	        var codeJson = this.toJSON();
+	        return "new Code(\"".concat(String(codeJson.code), "\"").concat(codeJson.scope ? ", ".concat(JSON.stringify(codeJson.scope)) : '', ")");
+	    };
+	    return Code;
+	}());
+	Object.defineProperty(Code.prototype, '_bsontype', { value: 'Code' });
+
+	/** @internal */
+	function isDBRefLike(value) {
+	    return (isObjectLike(value) &&
+	        value.$id != null &&
+	        typeof value.$ref === 'string' &&
+	        (value.$db == null || typeof value.$db === 'string'));
+	}
+	/**
+	 * A class representation of the BSON DBRef type.
+	 * @public
+	 * @category BSONType
+	 */
+	var DBRef = /** @class */ (function () {
+	    /**
+	     * @param collection - the collection name.
+	     * @param oid - the reference ObjectId.
+	     * @param db - optional db name, if omitted the reference is local to the current db.
+	     */
+	    function DBRef(collection, oid, db, fields) {
+	        if (!(this instanceof DBRef))
+	            return new DBRef(collection, oid, db, fields);
+	        // check if namespace has been provided
+	        var parts = collection.split('.');
+	        if (parts.length === 2) {
+	            db = parts.shift();
+	            // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+	            collection = parts.shift();
+	        }
+	        this.collection = collection;
+	        this.oid = oid;
+	        this.db = db;
+	        this.fields = fields || {};
+	    }
+	    Object.defineProperty(DBRef.prototype, "namespace", {
+	        // Property provided for compatibility with the 1.x parser
+	        // the 1.x parser used a "namespace" property, while 4.x uses "collection"
+	        /** @internal */
+	        get: function () {
+	            return this.collection;
+	        },
+	        set: function (value) {
+	            this.collection = value;
+	        },
+	        enumerable: false,
+	        configurable: true
+	    });
+	    DBRef.prototype.toJSON = function () {
+	        var o = Object.assign({
+	            $ref: this.collection,
+	            $id: this.oid
+	        }, this.fields);
+	        if (this.db != null)
+	            o.$db = this.db;
+	        return o;
+	    };
+	    /** @internal */
+	    DBRef.prototype.toExtendedJSON = function (options) {
+	        options = options || {};
+	        var o = {
+	            $ref: this.collection,
+	            $id: this.oid
+	        };
+	        if (options.legacy) {
+	            return o;
+	        }
+	        if (this.db)
+	            o.$db = this.db;
+	        o = Object.assign(o, this.fields);
+	        return o;
+	    };
+	    /** @internal */
+	    DBRef.fromExtendedJSON = function (doc) {
+	        var copy = Object.assign({}, doc);
+	        delete copy.$ref;
+	        delete copy.$id;
+	        delete copy.$db;
+	        return new DBRef(doc.$ref, doc.$id, doc.$db, copy);
+	    };
+	    /** @internal */
+	    DBRef.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    DBRef.prototype.inspect = function () {
+	        // NOTE: if OID is an ObjectId class it will just print the oid string.
+	        var oid = this.oid === undefined || this.oid.toString === undefined ? this.oid : this.oid.toString();
+	        return "new DBRef(\"".concat(this.namespace, "\", new ObjectId(\"").concat(String(oid), "\")").concat(this.db ? ", \"".concat(this.db, "\"") : '', ")");
+	    };
+	    return DBRef;
+	}());
+	Object.defineProperty(DBRef.prototype, '_bsontype', { value: 'DBRef' });
+
+	/**
+	 * wasm optimizations, to do native i64 multiplication and divide
+	 */
+	var wasm = undefined;
+	try {
+	    wasm = new WebAssembly.Instance(new WebAssembly.Module(
+	    // prettier-ignore
+	    new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0, 1, 13, 2, 96, 0, 1, 127, 96, 4, 127, 127, 127, 127, 1, 127, 3, 7, 6, 0, 1, 1, 1, 1, 1, 6, 6, 1, 127, 1, 65, 0, 11, 7, 50, 6, 3, 109, 117, 108, 0, 1, 5, 100, 105, 118, 95, 115, 0, 2, 5, 100, 105, 118, 95, 117, 0, 3, 5, 114, 101, 109, 95, 115, 0, 4, 5, 114, 101, 109, 95, 117, 0, 5, 8, 103, 101, 116, 95, 104, 105, 103, 104, 0, 0, 10, 191, 1, 6, 4, 0, 35, 0, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 126, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 127, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 128, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 129, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 130, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11])), {}).exports;
+	}
+	catch (_a) {
+	    // no wasm support
+	}
+	var TWO_PWR_16_DBL = 1 << 16;
+	var TWO_PWR_24_DBL = 1 << 24;
+	var TWO_PWR_32_DBL = TWO_PWR_16_DBL * TWO_PWR_16_DBL;
+	var TWO_PWR_64_DBL = TWO_PWR_32_DBL * TWO_PWR_32_DBL;
+	var TWO_PWR_63_DBL = TWO_PWR_64_DBL / 2;
+	/** A cache of the Long representations of small integer values. */
+	var INT_CACHE = {};
+	/** A cache of the Long representations of small unsigned integer values. */
+	var UINT_CACHE = {};
+	/**
+	 * A class representing a 64-bit integer
+	 * @public
+	 * @category BSONType
+	 * @remarks
+	 * The internal representation of a long is the two given signed, 32-bit values.
+	 * We use 32-bit pieces because these are the size of integers on which
+	 * Javascript performs bit-operations.  For operations like addition and
+	 * multiplication, we split each number into 16 bit pieces, which can easily be
+	 * multiplied within Javascript's floating-point representation without overflow
+	 * or change in sign.
+	 * In the algorithms below, we frequently reduce the negative case to the
+	 * positive case by negating the input(s) and then post-processing the result.
+	 * Note that we must ALWAYS check specially whether those values are MIN_VALUE
+	 * (-2^63) because -MIN_VALUE == MIN_VALUE (since 2^63 cannot be represented as
+	 * a positive number, it overflows back into a negative).  Not handling this
+	 * case would often result in infinite recursion.
+	 * Common constant values ZERO, ONE, NEG_ONE, etc. are found as static properties on this class.
+	 */
+	var Long = /** @class */ (function () {
+	    /**
+	     * Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as *signed* integers.
+	     *  See the from* functions below for more convenient ways of constructing Longs.
+	     *
+	     * Acceptable signatures are:
+	     * - Long(low, high, unsigned?)
+	     * - Long(bigint, unsigned?)
+	     * - Long(string, unsigned?)
+	     *
+	     * @param low - The low (signed) 32 bits of the long
+	     * @param high - The high (signed) 32 bits of the long
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     */
+	    function Long(low, high, unsigned) {
+	        if (low === void 0) { low = 0; }
+	        if (!(this instanceof Long))
+	            return new Long(low, high, unsigned);
+	        if (typeof low === 'bigint') {
+	            Object.assign(this, Long.fromBigInt(low, !!high));
+	        }
+	        else if (typeof low === 'string') {
+	            Object.assign(this, Long.fromString(low, !!high));
+	        }
+	        else {
+	            this.low = low | 0;
+	            this.high = high | 0;
+	            this.unsigned = !!unsigned;
+	        }
+	        Object.defineProperty(this, '__isLong__', {
+	            value: true,
+	            configurable: false,
+	            writable: false,
+	            enumerable: false
+	        });
+	    }
+	    /**
+	     * Returns a Long representing the 64 bit integer that comes by concatenating the given low and high bits.
+	     * Each is assumed to use 32 bits.
+	     * @param lowBits - The low 32 bits
+	     * @param highBits - The high 32 bits
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromBits = function (lowBits, highBits, unsigned) {
+	        return new Long(lowBits, highBits, unsigned);
+	    };
+	    /**
+	     * Returns a Long representing the given 32 bit integer value.
+	     * @param value - The 32 bit integer in question
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromInt = function (value, unsigned) {
+	        var obj, cachedObj, cache;
+	        if (unsigned) {
+	            value >>>= 0;
+	            if ((cache = 0 <= value && value < 256)) {
+	                cachedObj = UINT_CACHE[value];
+	                if (cachedObj)
+	                    return cachedObj;
+	            }
+	            obj = Long.fromBits(value, (value | 0) < 0 ? -1 : 0, true);
+	            if (cache)
+	                UINT_CACHE[value] = obj;
+	            return obj;
+	        }
+	        else {
+	            value |= 0;
+	            if ((cache = -128 <= value && value < 128)) {
+	                cachedObj = INT_CACHE[value];
+	                if (cachedObj)
+	                    return cachedObj;
+	            }
+	            obj = Long.fromBits(value, value < 0 ? -1 : 0, false);
+	            if (cache)
+	                INT_CACHE[value] = obj;
+	            return obj;
+	        }
+	    };
+	    /**
+	     * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+	     * @param value - The number in question
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromNumber = function (value, unsigned) {
+	        if (isNaN(value))
+	            return unsigned ? Long.UZERO : Long.ZERO;
+	        if (unsigned) {
+	            if (value < 0)
+	                return Long.UZERO;
+	            if (value >= TWO_PWR_64_DBL)
+	                return Long.MAX_UNSIGNED_VALUE;
+	        }
+	        else {
+	            if (value <= -TWO_PWR_63_DBL)
+	                return Long.MIN_VALUE;
+	            if (value + 1 >= TWO_PWR_63_DBL)
+	                return Long.MAX_VALUE;
+	        }
+	        if (value < 0)
+	            return Long.fromNumber(-value, unsigned).neg();
+	        return Long.fromBits(value % TWO_PWR_32_DBL | 0, (value / TWO_PWR_32_DBL) | 0, unsigned);
+	    };
+	    /**
+	     * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+	     * @param value - The number in question
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromBigInt = function (value, unsigned) {
+	        return Long.fromString(value.toString(), unsigned);
+	    };
+	    /**
+	     * Returns a Long representation of the given string, written using the specified radix.
+	     * @param str - The textual representation of the Long
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @param radix - The radix in which the text is written (2-36), defaults to 10
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromString = function (str, unsigned, radix) {
+	        if (str.length === 0)
+	            throw Error('empty string');
+	        if (str === 'NaN' || str === 'Infinity' || str === '+Infinity' || str === '-Infinity')
+	            return Long.ZERO;
+	        if (typeof unsigned === 'number') {
+	            // For goog.math.long compatibility
+	            (radix = unsigned), (unsigned = false);
+	        }
+	        else {
+	            unsigned = !!unsigned;
+	        }
+	        radix = radix || 10;
+	        if (radix < 2 || 36 < radix)
+	            throw RangeError('radix');
+	        var p;
+	        if ((p = str.indexOf('-')) > 0)
+	            throw Error('interior hyphen');
+	        else if (p === 0) {
+	            return Long.fromString(str.substring(1), unsigned, radix).neg();
+	        }
+	        // Do several (8) digits each time through the loop, so as to
+	        // minimize the calls to the very expensive emulated div.
+	        var radixToPower = Long.fromNumber(Math.pow(radix, 8));
+	        var result = Long.ZERO;
+	        for (var i = 0; i < str.length; i += 8) {
+	            var size = Math.min(8, str.length - i), value = parseInt(str.substring(i, i + size), radix);
+	            if (size < 8) {
+	                var power = Long.fromNumber(Math.pow(radix, size));
+	                result = result.mul(power).add(Long.fromNumber(value));
+	            }
+	            else {
+	                result = result.mul(radixToPower);
+	                result = result.add(Long.fromNumber(value));
+	            }
+	        }
+	        result.unsigned = unsigned;
+	        return result;
+	    };
+	    /**
+	     * Creates a Long from its byte representation.
+	     * @param bytes - Byte representation
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @param le - Whether little or big endian, defaults to big endian
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromBytes = function (bytes, unsigned, le) {
+	        return le ? Long.fromBytesLE(bytes, unsigned) : Long.fromBytesBE(bytes, unsigned);
+	    };
+	    /**
+	     * Creates a Long from its little endian byte representation.
+	     * @param bytes - Little endian byte representation
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromBytesLE = function (bytes, unsigned) {
+	        return new Long(bytes[0] | (bytes[1] << 8) | (bytes[2] << 16) | (bytes[3] << 24), bytes[4] | (bytes[5] << 8) | (bytes[6] << 16) | (bytes[7] << 24), unsigned);
+	    };
+	    /**
+	     * Creates a Long from its big endian byte representation.
+	     * @param bytes - Big endian byte representation
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromBytesBE = function (bytes, unsigned) {
+	        return new Long((bytes[4] << 24) | (bytes[5] << 16) | (bytes[6] << 8) | bytes[7], (bytes[0] << 24) | (bytes[1] << 16) | (bytes[2] << 8) | bytes[3], unsigned);
+	    };
+	    /**
+	     * Tests if the specified object is a Long.
+	     */
+	    Long.isLong = function (value) {
+	        return isObjectLike(value) && value['__isLong__'] === true;
+	    };
+	    /**
+	     * Converts the specified value to a Long.
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     */
+	    Long.fromValue = function (val, unsigned) {
+	        if (typeof val === 'number')
+	            return Long.fromNumber(val, unsigned);
+	        if (typeof val === 'string')
+	            return Long.fromString(val, unsigned);
+	        // Throws for non-objects, converts non-instanceof Long:
+	        return Long.fromBits(val.low, val.high, typeof unsigned === 'boolean' ? unsigned : val.unsigned);
+	    };
+	    /** Returns the sum of this and the specified Long. */
+	    Long.prototype.add = function (addend) {
+	        if (!Long.isLong(addend))
+	            addend = Long.fromValue(addend);
+	        // Divide each number into 4 chunks of 16 bits, and then sum the chunks.
+	        var a48 = this.high >>> 16;
+	        var a32 = this.high & 0xffff;
+	        var a16 = this.low >>> 16;
+	        var a00 = this.low & 0xffff;
+	        var b48 = addend.high >>> 16;
+	        var b32 = addend.high & 0xffff;
+	        var b16 = addend.low >>> 16;
+	        var b00 = addend.low & 0xffff;
+	        var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
+	        c00 += a00 + b00;
+	        c16 += c00 >>> 16;
+	        c00 &= 0xffff;
+	        c16 += a16 + b16;
+	        c32 += c16 >>> 16;
+	        c16 &= 0xffff;
+	        c32 += a32 + b32;
+	        c48 += c32 >>> 16;
+	        c32 &= 0xffff;
+	        c48 += a48 + b48;
+	        c48 &= 0xffff;
+	        return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+	    };
+	    /**
+	     * Returns the sum of this and the specified Long.
+	     * @returns Sum
+	     */
+	    Long.prototype.and = function (other) {
+	        if (!Long.isLong(other))
+	            other = Long.fromValue(other);
+	        return Long.fromBits(this.low & other.low, this.high & other.high, this.unsigned);
+	    };
+	    /**
+	     * Compares this Long's value with the specified's.
+	     * @returns 0 if they are the same, 1 if the this is greater and -1 if the given one is greater
+	     */
+	    Long.prototype.compare = function (other) {
+	        if (!Long.isLong(other))
+	            other = Long.fromValue(other);
+	        if (this.eq(other))
+	            return 0;
+	        var thisNeg = this.isNegative(), otherNeg = other.isNegative();
+	        if (thisNeg && !otherNeg)
+	            return -1;
+	        if (!thisNeg && otherNeg)
+	            return 1;
+	        // At this point the sign bits are the same
+	        if (!this.unsigned)
+	            return this.sub(other).isNegative() ? -1 : 1;
+	        // Both are positive if at least one is unsigned
+	        return other.high >>> 0 > this.high >>> 0 ||
+	            (other.high === this.high && other.low >>> 0 > this.low >>> 0)
+	            ? -1
+	            : 1;
+	    };
+	    /** This is an alias of {@link Long.compare} */
+	    Long.prototype.comp = function (other) {
+	        return this.compare(other);
+	    };
+	    /**
+	     * Returns this Long divided by the specified. The result is signed if this Long is signed or unsigned if this Long is unsigned.
+	     * @returns Quotient
+	     */
+	    Long.prototype.divide = function (divisor) {
+	        if (!Long.isLong(divisor))
+	            divisor = Long.fromValue(divisor);
+	        if (divisor.isZero())
+	            throw Error('division by zero');
+	        // use wasm support if present
+	        if (wasm) {
+	            // guard against signed division overflow: the largest
+	            // negative number / -1 would be 1 larger than the largest
+	            // positive number, due to two's complement.
+	            if (!this.unsigned &&
+	                this.high === -0x80000000 &&
+	                divisor.low === -1 &&
+	                divisor.high === -1) {
+	                // be consistent with non-wasm code path
+	                return this;
+	            }
+	            var low = (this.unsigned ? wasm.div_u : wasm.div_s)(this.low, this.high, divisor.low, divisor.high);
+	            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+	        }
+	        if (this.isZero())
+	            return this.unsigned ? Long.UZERO : Long.ZERO;
+	        var approx, rem, res;
+	        if (!this.unsigned) {
+	            // This section is only relevant for signed longs and is derived from the
+	            // closure library as a whole.
+	            if (this.eq(Long.MIN_VALUE)) {
+	                if (divisor.eq(Long.ONE) || divisor.eq(Long.NEG_ONE))
+	                    return Long.MIN_VALUE;
+	                // recall that -MIN_VALUE == MIN_VALUE
+	                else if (divisor.eq(Long.MIN_VALUE))
+	                    return Long.ONE;
+	                else {
+	                    // At this point, we have |other| >= 2, so |this/other| < |MIN_VALUE|.
+	                    var halfThis = this.shr(1);
+	                    approx = halfThis.div(divisor).shl(1);
+	                    if (approx.eq(Long.ZERO)) {
+	                        return divisor.isNegative() ? Long.ONE : Long.NEG_ONE;
+	                    }
+	                    else {
+	                        rem = this.sub(divisor.mul(approx));
+	                        res = approx.add(rem.div(divisor));
+	                        return res;
+	                    }
+	                }
+	            }
+	            else if (divisor.eq(Long.MIN_VALUE))
+	                return this.unsigned ? Long.UZERO : Long.ZERO;
+	            if (this.isNegative()) {
+	                if (divisor.isNegative())
+	                    return this.neg().div(divisor.neg());
+	                return this.neg().div(divisor).neg();
+	            }
+	            else if (divisor.isNegative())
+	                return this.div(divisor.neg()).neg();
+	            res = Long.ZERO;
+	        }
+	        else {
+	            // The algorithm below has not been made for unsigned longs. It's therefore
+	            // required to take special care of the MSB prior to running it.
+	            if (!divisor.unsigned)
+	                divisor = divisor.toUnsigned();
+	            if (divisor.gt(this))
+	                return Long.UZERO;
+	            if (divisor.gt(this.shru(1)))
+	                // 15 >>> 1 = 7 ; with divisor = 8 ; true
+	                return Long.UONE;
+	            res = Long.UZERO;
+	        }
+	        // Repeat the following until the remainder is less than other:  find a
+	        // floating-point that approximates remainder / other *from below*, add this
+	        // into the result, and subtract it from the remainder.  It is critical that
+	        // the approximate value is less than or equal to the real value so that the
+	        // remainder never becomes negative.
+	        // eslint-disable-next-line @typescript-eslint/no-this-alias
+	        rem = this;
+	        while (rem.gte(divisor)) {
+	            // Approximate the result of division. This may be a little greater or
+	            // smaller than the actual value.
+	            approx = Math.max(1, Math.floor(rem.toNumber() / divisor.toNumber()));
+	            // We will tweak the approximate result by changing it in the 48-th digit or
+	            // the smallest non-fractional digit, whichever is larger.
+	            var log2 = Math.ceil(Math.log(approx) / Math.LN2);
+	            var delta = log2 <= 48 ? 1 : Math.pow(2, log2 - 48);
+	            // Decrease the approximation until it is smaller than the remainder.  Note
+	            // that if it is too large, the product overflows and is negative.
+	            var approxRes = Long.fromNumber(approx);
+	            var approxRem = approxRes.mul(divisor);
+	            while (approxRem.isNegative() || approxRem.gt(rem)) {
+	                approx -= delta;
+	                approxRes = Long.fromNumber(approx, this.unsigned);
+	                approxRem = approxRes.mul(divisor);
+	            }
+	            // We know the answer can't be zero... and actually, zero would cause
+	            // infinite recursion since we would make no progress.
+	            if (approxRes.isZero())
+	                approxRes = Long.ONE;
+	            res = res.add(approxRes);
+	            rem = rem.sub(approxRem);
+	        }
+	        return res;
+	    };
+	    /**This is an alias of {@link Long.divide} */
+	    Long.prototype.div = function (divisor) {
+	        return this.divide(divisor);
+	    };
+	    /**
+	     * Tests if this Long's value equals the specified's.
+	     * @param other - Other value
+	     */
+	    Long.prototype.equals = function (other) {
+	        if (!Long.isLong(other))
+	            other = Long.fromValue(other);
+	        if (this.unsigned !== other.unsigned && this.high >>> 31 === 1 && other.high >>> 31 === 1)
+	            return false;
+	        return this.high === other.high && this.low === other.low;
+	    };
+	    /** This is an alias of {@link Long.equals} */
+	    Long.prototype.eq = function (other) {
+	        return this.equals(other);
+	    };
+	    /** Gets the high 32 bits as a signed integer. */
+	    Long.prototype.getHighBits = function () {
+	        return this.high;
+	    };
+	    /** Gets the high 32 bits as an unsigned integer. */
+	    Long.prototype.getHighBitsUnsigned = function () {
+	        return this.high >>> 0;
+	    };
+	    /** Gets the low 32 bits as a signed integer. */
+	    Long.prototype.getLowBits = function () {
+	        return this.low;
+	    };
+	    /** Gets the low 32 bits as an unsigned integer. */
+	    Long.prototype.getLowBitsUnsigned = function () {
+	        return this.low >>> 0;
+	    };
+	    /** Gets the number of bits needed to represent the absolute value of this Long. */
+	    Long.prototype.getNumBitsAbs = function () {
+	        if (this.isNegative()) {
+	            // Unsigned Longs are never negative
+	            return this.eq(Long.MIN_VALUE) ? 64 : this.neg().getNumBitsAbs();
+	        }
+	        var val = this.high !== 0 ? this.high : this.low;
+	        var bit;
+	        for (bit = 31; bit > 0; bit--)
+	            if ((val & (1 << bit)) !== 0)
+	                break;
+	        return this.high !== 0 ? bit + 33 : bit + 1;
+	    };
+	    /** Tests if this Long's value is greater than the specified's. */
+	    Long.prototype.greaterThan = function (other) {
+	        return this.comp(other) > 0;
+	    };
+	    /** This is an alias of {@link Long.greaterThan} */
+	    Long.prototype.gt = function (other) {
+	        return this.greaterThan(other);
+	    };
+	    /** Tests if this Long's value is greater than or equal the specified's. */
+	    Long.prototype.greaterThanOrEqual = function (other) {
+	        return this.comp(other) >= 0;
+	    };
+	    /** This is an alias of {@link Long.greaterThanOrEqual} */
+	    Long.prototype.gte = function (other) {
+	        return this.greaterThanOrEqual(other);
+	    };
+	    /** This is an alias of {@link Long.greaterThanOrEqual} */
+	    Long.prototype.ge = function (other) {
+	        return this.greaterThanOrEqual(other);
+	    };
+	    /** Tests if this Long's value is even. */
+	    Long.prototype.isEven = function () {
+	        return (this.low & 1) === 0;
+	    };
+	    /** Tests if this Long's value is negative. */
+	    Long.prototype.isNegative = function () {
+	        return !this.unsigned && this.high < 0;
+	    };
+	    /** Tests if this Long's value is odd. */
+	    Long.prototype.isOdd = function () {
+	        return (this.low & 1) === 1;
+	    };
+	    /** Tests if this Long's value is positive. */
+	    Long.prototype.isPositive = function () {
+	        return this.unsigned || this.high >= 0;
+	    };
+	    /** Tests if this Long's value equals zero. */
+	    Long.prototype.isZero = function () {
+	        return this.high === 0 && this.low === 0;
+	    };
+	    /** Tests if this Long's value is less than the specified's. */
+	    Long.prototype.lessThan = function (other) {
+	        return this.comp(other) < 0;
+	    };
+	    /** This is an alias of {@link Long#lessThan}. */
+	    Long.prototype.lt = function (other) {
+	        return this.lessThan(other);
+	    };
+	    /** Tests if this Long's value is less than or equal the specified's. */
+	    Long.prototype.lessThanOrEqual = function (other) {
+	        return this.comp(other) <= 0;
+	    };
+	    /** This is an alias of {@link Long.lessThanOrEqual} */
+	    Long.prototype.lte = function (other) {
+	        return this.lessThanOrEqual(other);
+	    };
+	    /** Returns this Long modulo the specified. */
+	    Long.prototype.modulo = function (divisor) {
+	        if (!Long.isLong(divisor))
+	            divisor = Long.fromValue(divisor);
+	        // use wasm support if present
+	        if (wasm) {
+	            var low = (this.unsigned ? wasm.rem_u : wasm.rem_s)(this.low, this.high, divisor.low, divisor.high);
+	            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+	        }
+	        return this.sub(this.div(divisor).mul(divisor));
+	    };
+	    /** This is an alias of {@link Long.modulo} */
+	    Long.prototype.mod = function (divisor) {
+	        return this.modulo(divisor);
+	    };
+	    /** This is an alias of {@link Long.modulo} */
+	    Long.prototype.rem = function (divisor) {
+	        return this.modulo(divisor);
+	    };
+	    /**
+	     * Returns the product of this and the specified Long.
+	     * @param multiplier - Multiplier
+	     * @returns Product
+	     */
+	    Long.prototype.multiply = function (multiplier) {
+	        if (this.isZero())
+	            return Long.ZERO;
+	        if (!Long.isLong(multiplier))
+	            multiplier = Long.fromValue(multiplier);
+	        // use wasm support if present
+	        if (wasm) {
+	            var low = wasm.mul(this.low, this.high, multiplier.low, multiplier.high);
+	            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+	        }
+	        if (multiplier.isZero())
+	            return Long.ZERO;
+	        if (this.eq(Long.MIN_VALUE))
+	            return multiplier.isOdd() ? Long.MIN_VALUE : Long.ZERO;
+	        if (multiplier.eq(Long.MIN_VALUE))
+	            return this.isOdd() ? Long.MIN_VALUE : Long.ZERO;
+	        if (this.isNegative()) {
+	            if (multiplier.isNegative())
+	                return this.neg().mul(multiplier.neg());
+	            else
+	                return this.neg().mul(multiplier).neg();
+	        }
+	        else if (multiplier.isNegative())
+	            return this.mul(multiplier.neg()).neg();
+	        // If both longs are small, use float multiplication
+	        if (this.lt(Long.TWO_PWR_24) && multiplier.lt(Long.TWO_PWR_24))
+	            return Long.fromNumber(this.toNumber() * multiplier.toNumber(), this.unsigned);
+	        // Divide each long into 4 chunks of 16 bits, and then add up 4x4 products.
+	        // We can skip products that would overflow.
+	        var a48 = this.high >>> 16;
+	        var a32 = this.high & 0xffff;
+	        var a16 = this.low >>> 16;
+	        var a00 = this.low & 0xffff;
+	        var b48 = multiplier.high >>> 16;
+	        var b32 = multiplier.high & 0xffff;
+	        var b16 = multiplier.low >>> 16;
+	        var b00 = multiplier.low & 0xffff;
+	        var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
+	        c00 += a00 * b00;
+	        c16 += c00 >>> 16;
+	        c00 &= 0xffff;
+	        c16 += a16 * b00;
+	        c32 += c16 >>> 16;
+	        c16 &= 0xffff;
+	        c16 += a00 * b16;
+	        c32 += c16 >>> 16;
+	        c16 &= 0xffff;
+	        c32 += a32 * b00;
+	        c48 += c32 >>> 16;
+	        c32 &= 0xffff;
+	        c32 += a16 * b16;
+	        c48 += c32 >>> 16;
+	        c32 &= 0xffff;
+	        c32 += a00 * b32;
+	        c48 += c32 >>> 16;
+	        c32 &= 0xffff;
+	        c48 += a48 * b00 + a32 * b16 + a16 * b32 + a00 * b48;
+	        c48 &= 0xffff;
+	        return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+	    };
+	    /** This is an alias of {@link Long.multiply} */
+	    Long.prototype.mul = function (multiplier) {
+	        return this.multiply(multiplier);
+	    };
+	    /** Returns the Negation of this Long's value. */
+	    Long.prototype.negate = function () {
+	        if (!this.unsigned && this.eq(Long.MIN_VALUE))
+	            return Long.MIN_VALUE;
+	        return this.not().add(Long.ONE);
+	    };
+	    /** This is an alias of {@link Long.negate} */
+	    Long.prototype.neg = function () {
+	        return this.negate();
+	    };
+	    /** Returns the bitwise NOT of this Long. */
+	    Long.prototype.not = function () {
+	        return Long.fromBits(~this.low, ~this.high, this.unsigned);
+	    };
+	    /** Tests if this Long's value differs from the specified's. */
+	    Long.prototype.notEquals = function (other) {
+	        return !this.equals(other);
+	    };
+	    /** This is an alias of {@link Long.notEquals} */
+	    Long.prototype.neq = function (other) {
+	        return this.notEquals(other);
+	    };
+	    /** This is an alias of {@link Long.notEquals} */
+	    Long.prototype.ne = function (other) {
+	        return this.notEquals(other);
+	    };
+	    /**
+	     * Returns the bitwise OR of this Long and the specified.
+	     */
+	    Long.prototype.or = function (other) {
+	        if (!Long.isLong(other))
+	            other = Long.fromValue(other);
+	        return Long.fromBits(this.low | other.low, this.high | other.high, this.unsigned);
+	    };
+	    /**
+	     * Returns this Long with bits shifted to the left by the given amount.
+	     * @param numBits - Number of bits
+	     * @returns Shifted Long
+	     */
+	    Long.prototype.shiftLeft = function (numBits) {
+	        if (Long.isLong(numBits))
+	            numBits = numBits.toInt();
+	        if ((numBits &= 63) === 0)
+	            return this;
+	        else if (numBits < 32)
+	            return Long.fromBits(this.low << numBits, (this.high << numBits) | (this.low >>> (32 - numBits)), this.unsigned);
+	        else
+	            return Long.fromBits(0, this.low << (numBits - 32), this.unsigned);
+	    };
+	    /** This is an alias of {@link Long.shiftLeft} */
+	    Long.prototype.shl = function (numBits) {
+	        return this.shiftLeft(numBits);
+	    };
+	    /**
+	     * Returns this Long with bits arithmetically shifted to the right by the given amount.
+	     * @param numBits - Number of bits
+	     * @returns Shifted Long
+	     */
+	    Long.prototype.shiftRight = function (numBits) {
+	        if (Long.isLong(numBits))
+	            numBits = numBits.toInt();
+	        if ((numBits &= 63) === 0)
+	            return this;
+	        else if (numBits < 32)
+	            return Long.fromBits((this.low >>> numBits) | (this.high << (32 - numBits)), this.high >> numBits, this.unsigned);
+	        else
+	            return Long.fromBits(this.high >> (numBits - 32), this.high >= 0 ? 0 : -1, this.unsigned);
+	    };
+	    /** This is an alias of {@link Long.shiftRight} */
+	    Long.prototype.shr = function (numBits) {
+	        return this.shiftRight(numBits);
+	    };
+	    /**
+	     * Returns this Long with bits logically shifted to the right by the given amount.
+	     * @param numBits - Number of bits
+	     * @returns Shifted Long
+	     */
+	    Long.prototype.shiftRightUnsigned = function (numBits) {
+	        if (Long.isLong(numBits))
+	            numBits = numBits.toInt();
+	        numBits &= 63;
+	        if (numBits === 0)
+	            return this;
+	        else {
+	            var high = this.high;
+	            if (numBits < 32) {
+	                var low = this.low;
+	                return Long.fromBits((low >>> numBits) | (high << (32 - numBits)), high >>> numBits, this.unsigned);
+	            }
+	            else if (numBits === 32)
+	                return Long.fromBits(high, 0, this.unsigned);
+	            else
+	                return Long.fromBits(high >>> (numBits - 32), 0, this.unsigned);
+	        }
+	    };
+	    /** This is an alias of {@link Long.shiftRightUnsigned} */
+	    Long.prototype.shr_u = function (numBits) {
+	        return this.shiftRightUnsigned(numBits);
+	    };
+	    /** This is an alias of {@link Long.shiftRightUnsigned} */
+	    Long.prototype.shru = function (numBits) {
+	        return this.shiftRightUnsigned(numBits);
+	    };
+	    /**
+	     * Returns the difference of this and the specified Long.
+	     * @param subtrahend - Subtrahend
+	     * @returns Difference
+	     */
+	    Long.prototype.subtract = function (subtrahend) {
+	        if (!Long.isLong(subtrahend))
+	            subtrahend = Long.fromValue(subtrahend);
+	        return this.add(subtrahend.neg());
+	    };
+	    /** This is an alias of {@link Long.subtract} */
+	    Long.prototype.sub = function (subtrahend) {
+	        return this.subtract(subtrahend);
+	    };
+	    /** Converts the Long to a 32 bit integer, assuming it is a 32 bit integer. */
+	    Long.prototype.toInt = function () {
+	        return this.unsigned ? this.low >>> 0 : this.low;
+	    };
+	    /** Converts the Long to a the nearest floating-point representation of this value (double, 53 bit mantissa). */
+	    Long.prototype.toNumber = function () {
+	        if (this.unsigned)
+	            return (this.high >>> 0) * TWO_PWR_32_DBL + (this.low >>> 0);
+	        return this.high * TWO_PWR_32_DBL + (this.low >>> 0);
+	    };
+	    /** Converts the Long to a BigInt (arbitrary precision). */
+	    Long.prototype.toBigInt = function () {
+	        return BigInt(this.toString());
+	    };
+	    /**
+	     * Converts this Long to its byte representation.
+	     * @param le - Whether little or big endian, defaults to big endian
+	     * @returns Byte representation
+	     */
+	    Long.prototype.toBytes = function (le) {
+	        return le ? this.toBytesLE() : this.toBytesBE();
+	    };
+	    /**
+	     * Converts this Long to its little endian byte representation.
+	     * @returns Little endian byte representation
+	     */
+	    Long.prototype.toBytesLE = function () {
+	        var hi = this.high, lo = this.low;
+	        return [
+	            lo & 0xff,
+	            (lo >>> 8) & 0xff,
+	            (lo >>> 16) & 0xff,
+	            lo >>> 24,
+	            hi & 0xff,
+	            (hi >>> 8) & 0xff,
+	            (hi >>> 16) & 0xff,
+	            hi >>> 24
+	        ];
+	    };
+	    /**
+	     * Converts this Long to its big endian byte representation.
+	     * @returns Big endian byte representation
+	     */
+	    Long.prototype.toBytesBE = function () {
+	        var hi = this.high, lo = this.low;
+	        return [
+	            hi >>> 24,
+	            (hi >>> 16) & 0xff,
+	            (hi >>> 8) & 0xff,
+	            hi & 0xff,
+	            lo >>> 24,
+	            (lo >>> 16) & 0xff,
+	            (lo >>> 8) & 0xff,
+	            lo & 0xff
+	        ];
+	    };
+	    /**
+	     * Converts this Long to signed.
+	     */
+	    Long.prototype.toSigned = function () {
+	        if (!this.unsigned)
+	            return this;
+	        return Long.fromBits(this.low, this.high, false);
+	    };
+	    /**
+	     * Converts the Long to a string written in the specified radix.
+	     * @param radix - Radix (2-36), defaults to 10
+	     * @throws RangeError If `radix` is out of range
+	     */
+	    Long.prototype.toString = function (radix) {
+	        radix = radix || 10;
+	        if (radix < 2 || 36 < radix)
+	            throw RangeError('radix');
+	        if (this.isZero())
+	            return '0';
+	        if (this.isNegative()) {
+	            // Unsigned Longs are never negative
+	            if (this.eq(Long.MIN_VALUE)) {
+	                // We need to change the Long value before it can be negated, so we remove
+	                // the bottom-most digit in this base and then recurse to do the rest.
+	                var radixLong = Long.fromNumber(radix), div = this.div(radixLong), rem1 = div.mul(radixLong).sub(this);
+	                return div.toString(radix) + rem1.toInt().toString(radix);
+	            }
+	            else
+	                return '-' + this.neg().toString(radix);
+	        }
+	        // Do several (6) digits each time through the loop, so as to
+	        // minimize the calls to the very expensive emulated div.
+	        var radixToPower = Long.fromNumber(Math.pow(radix, 6), this.unsigned);
+	        // eslint-disable-next-line @typescript-eslint/no-this-alias
+	        var rem = this;
+	        var result = '';
+	        // eslint-disable-next-line no-constant-condition
+	        while (true) {
+	            var remDiv = rem.div(radixToPower);
+	            var intval = rem.sub(remDiv.mul(radixToPower)).toInt() >>> 0;
+	            var digits = intval.toString(radix);
+	            rem = remDiv;
+	            if (rem.isZero()) {
+	                return digits + result;
+	            }
+	            else {
+	                while (digits.length < 6)
+	                    digits = '0' + digits;
+	                result = '' + digits + result;
+	            }
+	        }
+	    };
+	    /** Converts this Long to unsigned. */
+	    Long.prototype.toUnsigned = function () {
+	        if (this.unsigned)
+	            return this;
+	        return Long.fromBits(this.low, this.high, true);
+	    };
+	    /** Returns the bitwise XOR of this Long and the given one. */
+	    Long.prototype.xor = function (other) {
+	        if (!Long.isLong(other))
+	            other = Long.fromValue(other);
+	        return Long.fromBits(this.low ^ other.low, this.high ^ other.high, this.unsigned);
+	    };
+	    /** This is an alias of {@link Long.isZero} */
+	    Long.prototype.eqz = function () {
+	        return this.isZero();
+	    };
+	    /** This is an alias of {@link Long.lessThanOrEqual} */
+	    Long.prototype.le = function (other) {
+	        return this.lessThanOrEqual(other);
+	    };
+	    /*
+	     ****************************************************************
+	     *                  BSON SPECIFIC ADDITIONS                     *
+	     ****************************************************************
+	     */
+	    Long.prototype.toExtendedJSON = function (options) {
+	        if (options && options.relaxed)
+	            return this.toNumber();
+	        return { $numberLong: this.toString() };
+	    };
+	    Long.fromExtendedJSON = function (doc, options) {
+	        var result = Long.fromString(doc.$numberLong);
+	        return options && options.relaxed ? result.toNumber() : result;
+	    };
+	    /** @internal */
+	    Long.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Long.prototype.inspect = function () {
+	        return "new Long(\"".concat(this.toString(), "\"").concat(this.unsigned ? ', true' : '', ")");
+	    };
+	    Long.TWO_PWR_24 = Long.fromInt(TWO_PWR_24_DBL);
+	    /** Maximum unsigned value. */
+	    Long.MAX_UNSIGNED_VALUE = Long.fromBits(0xffffffff | 0, 0xffffffff | 0, true);
+	    /** Signed zero */
+	    Long.ZERO = Long.fromInt(0);
+	    /** Unsigned zero. */
+	    Long.UZERO = Long.fromInt(0, true);
+	    /** Signed one. */
+	    Long.ONE = Long.fromInt(1);
+	    /** Unsigned one. */
+	    Long.UONE = Long.fromInt(1, true);
+	    /** Signed negative one. */
+	    Long.NEG_ONE = Long.fromInt(-1);
+	    /** Maximum signed value. */
+	    Long.MAX_VALUE = Long.fromBits(0xffffffff | 0, 0x7fffffff | 0, false);
+	    /** Minimum signed value. */
+	    Long.MIN_VALUE = Long.fromBits(0, 0x80000000 | 0, false);
+	    return Long;
+	}());
+	Object.defineProperty(Long.prototype, '__isLong__', { value: true });
+	Object.defineProperty(Long.prototype, '_bsontype', { value: 'Long' });
+
+	var PARSE_STRING_REGEXP = /^(\+|-)?(\d+|(\d*\.\d*))?(E|e)?([-+])?(\d+)?$/;
+	var PARSE_INF_REGEXP = /^(\+|-)?(Infinity|inf)$/i;
+	var PARSE_NAN_REGEXP = /^(\+|-)?NaN$/i;
+	var EXPONENT_MAX = 6111;
+	var EXPONENT_MIN = -6176;
+	var EXPONENT_BIAS = 6176;
+	var MAX_DIGITS = 34;
+	// Nan value bits as 32 bit values (due to lack of longs)
+	var NAN_BUFFER = [
+	    0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+	].reverse();
+	// Infinity value bits 32 bit values (due to lack of longs)
+	var INF_NEGATIVE_BUFFER = [
+	    0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+	].reverse();
+	var INF_POSITIVE_BUFFER = [
+	    0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+	].reverse();
+	var EXPONENT_REGEX = /^([-+])?(\d+)?$/;
+	// Extract least significant 5 bits
+	var COMBINATION_MASK = 0x1f;
+	// Extract least significant 14 bits
+	var EXPONENT_MASK = 0x3fff;
+	// Value of combination field for Inf
+	var COMBINATION_INFINITY = 30;
+	// Value of combination field for NaN
+	var COMBINATION_NAN = 31;
+	// Detect if the value is a digit
+	function isDigit(value) {
+	    return !isNaN(parseInt(value, 10));
+	}
+	// Divide two uint128 values
+	function divideu128(value) {
+	    var DIVISOR = Long.fromNumber(1000 * 1000 * 1000);
+	    var _rem = Long.fromNumber(0);
+	    if (!value.parts[0] && !value.parts[1] && !value.parts[2] && !value.parts[3]) {
+	        return { quotient: value, rem: _rem };
+	    }
+	    for (var i = 0; i <= 3; i++) {
+	        // Adjust remainder to match value of next dividend
+	        _rem = _rem.shiftLeft(32);
+	        // Add the divided to _rem
+	        _rem = _rem.add(new Long(value.parts[i], 0));
+	        value.parts[i] = _rem.div(DIVISOR).low;
+	        _rem = _rem.modulo(DIVISOR);
+	    }
+	    return { quotient: value, rem: _rem };
+	}
+	// Multiply two Long values and return the 128 bit value
+	function multiply64x2(left, right) {
+	    if (!left && !right) {
+	        return { high: Long.fromNumber(0), low: Long.fromNumber(0) };
+	    }
+	    var leftHigh = left.shiftRightUnsigned(32);
+	    var leftLow = new Long(left.getLowBits(), 0);
+	    var rightHigh = right.shiftRightUnsigned(32);
+	    var rightLow = new Long(right.getLowBits(), 0);
+	    var productHigh = leftHigh.multiply(rightHigh);
+	    var productMid = leftHigh.multiply(rightLow);
+	    var productMid2 = leftLow.multiply(rightHigh);
+	    var productLow = leftLow.multiply(rightLow);
+	    productHigh = productHigh.add(productMid.shiftRightUnsigned(32));
+	    productMid = new Long(productMid.getLowBits(), 0)
+	        .add(productMid2)
+	        .add(productLow.shiftRightUnsigned(32));
+	    productHigh = productHigh.add(productMid.shiftRightUnsigned(32));
+	    productLow = productMid.shiftLeft(32).add(new Long(productLow.getLowBits(), 0));
+	    // Return the 128 bit result
+	    return { high: productHigh, low: productLow };
+	}
+	function lessThan(left, right) {
+	    // Make values unsigned
+	    var uhleft = left.high >>> 0;
+	    var uhright = right.high >>> 0;
+	    // Compare high bits first
+	    if (uhleft < uhright) {
+	        return true;
+	    }
+	    else if (uhleft === uhright) {
+	        var ulleft = left.low >>> 0;
+	        var ulright = right.low >>> 0;
+	        if (ulleft < ulright)
+	            return true;
+	    }
+	    return false;
+	}
+	function invalidErr(string, message) {
+	    throw new BSONTypeError("\"".concat(string, "\" is not a valid Decimal128 string - ").concat(message));
+	}
+	/**
+	 * A class representation of the BSON Decimal128 type.
+	 * @public
+	 * @category BSONType
+	 */
+	var Decimal128 = /** @class */ (function () {
+	    /**
+	     * @param bytes - a buffer containing the raw Decimal128 bytes in little endian order,
+	     *                or a string representation as returned by .toString()
+	     */
+	    function Decimal128(bytes) {
+	        if (!(this instanceof Decimal128))
+	            return new Decimal128(bytes);
+	        if (typeof bytes === 'string') {
+	            this.bytes = Decimal128.fromString(bytes).bytes;
+	        }
+	        else if (isUint8Array(bytes)) {
+	            if (bytes.byteLength !== 16) {
+	                throw new BSONTypeError('Decimal128 must take a Buffer of 16 bytes');
+	            }
+	            this.bytes = bytes;
+	        }
+	        else {
+	            throw new BSONTypeError('Decimal128 must take a Buffer or string');
+	        }
+	    }
+	    /**
+	     * Create a Decimal128 instance from a string representation
+	     *
+	     * @param representation - a numeric string representation.
+	     */
+	    Decimal128.fromString = function (representation) {
+	        // Parse state tracking
+	        var isNegative = false;
+	        var sawRadix = false;
+	        var foundNonZero = false;
+	        // Total number of significant digits (no leading or trailing zero)
+	        var significantDigits = 0;
+	        // Total number of significand digits read
+	        var nDigitsRead = 0;
+	        // Total number of digits (no leading zeros)
+	        var nDigits = 0;
+	        // The number of the digits after radix
+	        var radixPosition = 0;
+	        // The index of the first non-zero in *str*
+	        var firstNonZero = 0;
+	        // Digits Array
+	        var digits = [0];
+	        // The number of digits in digits
+	        var nDigitsStored = 0;
+	        // Insertion pointer for digits
+	        var digitsInsert = 0;
+	        // The index of the first non-zero digit
+	        var firstDigit = 0;
+	        // The index of the last digit
+	        var lastDigit = 0;
+	        // Exponent
+	        var exponent = 0;
+	        // loop index over array
+	        var i = 0;
+	        // The high 17 digits of the significand
+	        var significandHigh = new Long(0, 0);
+	        // The low 17 digits of the significand
+	        var significandLow = new Long(0, 0);
+	        // The biased exponent
+	        var biasedExponent = 0;
+	        // Read index
+	        var index = 0;
+	        // Naively prevent against REDOS attacks.
+	        // TODO: implementing a custom parsing for this, or refactoring the regex would yield
+	        //       further gains.
+	        if (representation.length >= 7000) {
+	            throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+	        }
+	        // Results
+	        var stringMatch = representation.match(PARSE_STRING_REGEXP);
+	        var infMatch = representation.match(PARSE_INF_REGEXP);
+	        var nanMatch = representation.match(PARSE_NAN_REGEXP);
+	        // Validate the string
+	        if ((!stringMatch && !infMatch && !nanMatch) || representation.length === 0) {
+	            throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+	        }
+	        if (stringMatch) {
+	            // full_match = stringMatch[0]
+	            // sign = stringMatch[1]
+	            var unsignedNumber = stringMatch[2];
+	            // stringMatch[3] is undefined if a whole number (ex "1", 12")
+	            // but defined if a number w/ decimal in it (ex "1.0, 12.2")
+	            var e = stringMatch[4];
+	            var expSign = stringMatch[5];
+	            var expNumber = stringMatch[6];
+	            // they provided e, but didn't give an exponent number. for ex "1e"
+	            if (e && expNumber === undefined)
+	                invalidErr(representation, 'missing exponent power');
+	            // they provided e, but didn't give a number before it. for ex "e1"
+	            if (e && unsignedNumber === undefined)
+	                invalidErr(representation, 'missing exponent base');
+	            if (e === undefined && (expSign || expNumber)) {
+	                invalidErr(representation, 'missing e before exponent');
+	            }
+	        }
+	        // Get the negative or positive sign
+	        if (representation[index] === '+' || representation[index] === '-') {
+	            isNegative = representation[index++] === '-';
+	        }
+	        // Check if user passed Infinity or NaN
+	        if (!isDigit(representation[index]) && representation[index] !== '.') {
+	            if (representation[index] === 'i' || representation[index] === 'I') {
+	                return new Decimal128(buffer_1.from(isNegative ? INF_NEGATIVE_BUFFER : INF_POSITIVE_BUFFER));
+	            }
+	            else if (representation[index] === 'N') {
+	                return new Decimal128(buffer_1.from(NAN_BUFFER));
+	            }
+	        }
+	        // Read all the digits
+	        while (isDigit(representation[index]) || representation[index] === '.') {
+	            if (representation[index] === '.') {
+	                if (sawRadix)
+	                    invalidErr(representation, 'contains multiple periods');
+	                sawRadix = true;
+	                index = index + 1;
+	                continue;
+	            }
+	            if (nDigitsStored < 34) {
+	                if (representation[index] !== '0' || foundNonZero) {
+	                    if (!foundNonZero) {
+	                        firstNonZero = nDigitsRead;
+	                    }
+	                    foundNonZero = true;
+	                    // Only store 34 digits
+	                    digits[digitsInsert++] = parseInt(representation[index], 10);
+	                    nDigitsStored = nDigitsStored + 1;
+	                }
+	            }
+	            if (foundNonZero)
+	                nDigits = nDigits + 1;
+	            if (sawRadix)
+	                radixPosition = radixPosition + 1;
+	            nDigitsRead = nDigitsRead + 1;
+	            index = index + 1;
+	        }
+	        if (sawRadix && !nDigitsRead)
+	            throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+	        // Read exponent if exists
+	        if (representation[index] === 'e' || representation[index] === 'E') {
+	            // Read exponent digits
+	            var match = representation.substr(++index).match(EXPONENT_REGEX);
+	            // No digits read
+	            if (!match || !match[2])
+	                return new Decimal128(buffer_1.from(NAN_BUFFER));
+	            // Get exponent
+	            exponent = parseInt(match[0], 10);
+	            // Adjust the index
+	            index = index + match[0].length;
+	        }
+	        // Return not a number
+	        if (representation[index])
+	            return new Decimal128(buffer_1.from(NAN_BUFFER));
+	        // Done reading input
+	        // Find first non-zero digit in digits
+	        firstDigit = 0;
+	        if (!nDigitsStored) {
+	            firstDigit = 0;
+	            lastDigit = 0;
+	            digits[0] = 0;
+	            nDigits = 1;
+	            nDigitsStored = 1;
+	            significantDigits = 0;
+	        }
+	        else {
+	            lastDigit = nDigitsStored - 1;
+	            significantDigits = nDigits;
+	            if (significantDigits !== 1) {
+	                while (digits[firstNonZero + significantDigits - 1] === 0) {
+	                    significantDigits = significantDigits - 1;
+	                }
+	            }
+	        }
+	        // Normalization of exponent
+	        // Correct exponent based on radix position, and shift significand as needed
+	        // to represent user input
+	        // Overflow prevention
+	        if (exponent <= radixPosition && radixPosition - exponent > 1 << 14) {
+	            exponent = EXPONENT_MIN;
+	        }
+	        else {
+	            exponent = exponent - radixPosition;
+	        }
+	        // Attempt to normalize the exponent
+	        while (exponent > EXPONENT_MAX) {
+	            // Shift exponent to significand and decrease
+	            lastDigit = lastDigit + 1;
+	            if (lastDigit - firstDigit > MAX_DIGITS) {
+	                // Check if we have a zero then just hard clamp, otherwise fail
+	                var digitsString = digits.join('');
+	                if (digitsString.match(/^0+$/)) {
+	                    exponent = EXPONENT_MAX;
+	                    break;
+	                }
+	                invalidErr(representation, 'overflow');
+	            }
+	            exponent = exponent - 1;
+	        }
+	        while (exponent < EXPONENT_MIN || nDigitsStored < nDigits) {
+	            // Shift last digit. can only do this if < significant digits than # stored.
+	            if (lastDigit === 0 && significantDigits < nDigitsStored) {
+	                exponent = EXPONENT_MIN;
+	                significantDigits = 0;
+	                break;
+	            }
+	            if (nDigitsStored < nDigits) {
+	                // adjust to match digits not stored
+	                nDigits = nDigits - 1;
+	            }
+	            else {
+	                // adjust to round
+	                lastDigit = lastDigit - 1;
+	            }
+	            if (exponent < EXPONENT_MAX) {
+	                exponent = exponent + 1;
+	            }
+	            else {
+	                // Check if we have a zero then just hard clamp, otherwise fail
+	                var digitsString = digits.join('');
+	                if (digitsString.match(/^0+$/)) {
+	                    exponent = EXPONENT_MAX;
+	                    break;
+	                }
+	                invalidErr(representation, 'overflow');
+	            }
+	        }
+	        // Round
+	        // We've normalized the exponent, but might still need to round.
+	        if (lastDigit - firstDigit + 1 < significantDigits) {
+	            var endOfString = nDigitsRead;
+	            // If we have seen a radix point, 'string' is 1 longer than we have
+	            // documented with ndigits_read, so inc the position of the first nonzero
+	            // digit and the position that digits are read to.
+	            if (sawRadix) {
+	                firstNonZero = firstNonZero + 1;
+	                endOfString = endOfString + 1;
+	            }
+	            // if negative, we need to increment again to account for - sign at start.
+	            if (isNegative) {
+	                firstNonZero = firstNonZero + 1;
+	                endOfString = endOfString + 1;
+	            }
+	            var roundDigit = parseInt(representation[firstNonZero + lastDigit + 1], 10);
+	            var roundBit = 0;
+	            if (roundDigit >= 5) {
+	                roundBit = 1;
+	                if (roundDigit === 5) {
+	                    roundBit = digits[lastDigit] % 2 === 1 ? 1 : 0;
+	                    for (i = firstNonZero + lastDigit + 2; i < endOfString; i++) {
+	                        if (parseInt(representation[i], 10)) {
+	                            roundBit = 1;
+	                            break;
+	                        }
+	                    }
+	                }
+	            }
+	            if (roundBit) {
+	                var dIdx = lastDigit;
+	                for (; dIdx >= 0; dIdx--) {
+	                    if (++digits[dIdx] > 9) {
+	                        digits[dIdx] = 0;
+	                        // overflowed most significant digit
+	                        if (dIdx === 0) {
+	                            if (exponent < EXPONENT_MAX) {
+	                                exponent = exponent + 1;
+	                                digits[dIdx] = 1;
+	                            }
+	                            else {
+	                                return new Decimal128(buffer_1.from(isNegative ? INF_NEGATIVE_BUFFER : INF_POSITIVE_BUFFER));
+	                            }
+	                        }
+	                    }
+	                }
+	            }
+	        }
+	        // Encode significand
+	        // The high 17 digits of the significand
+	        significandHigh = Long.fromNumber(0);
+	        // The low 17 digits of the significand
+	        significandLow = Long.fromNumber(0);
+	        // read a zero
+	        if (significantDigits === 0) {
+	            significandHigh = Long.fromNumber(0);
+	            significandLow = Long.fromNumber(0);
+	        }
+	        else if (lastDigit - firstDigit < 17) {
+	            var dIdx = firstDigit;
+	            significandLow = Long.fromNumber(digits[dIdx++]);
+	            significandHigh = new Long(0, 0);
+	            for (; dIdx <= lastDigit; dIdx++) {
+	                significandLow = significandLow.multiply(Long.fromNumber(10));
+	                significandLow = significandLow.add(Long.fromNumber(digits[dIdx]));
+	            }
+	        }
+	        else {
+	            var dIdx = firstDigit;
+	            significandHigh = Long.fromNumber(digits[dIdx++]);
+	            for (; dIdx <= lastDigit - 17; dIdx++) {
+	                significandHigh = significandHigh.multiply(Long.fromNumber(10));
+	                significandHigh = significandHigh.add(Long.fromNumber(digits[dIdx]));
+	            }
+	            significandLow = Long.fromNumber(digits[dIdx++]);
+	            for (; dIdx <= lastDigit; dIdx++) {
+	                significandLow = significandLow.multiply(Long.fromNumber(10));
+	                significandLow = significandLow.add(Long.fromNumber(digits[dIdx]));
+	            }
+	        }
+	        var significand = multiply64x2(significandHigh, Long.fromString('100000000000000000'));
+	        significand.low = significand.low.add(significandLow);
+	        if (lessThan(significand.low, significandLow)) {
+	            significand.high = significand.high.add(Long.fromNumber(1));
+	        }
+	        // Biased exponent
+	        biasedExponent = exponent + EXPONENT_BIAS;
+	        var dec = { low: Long.fromNumber(0), high: Long.fromNumber(0) };
+	        // Encode combination, exponent, and significand.
+	        if (significand.high.shiftRightUnsigned(49).and(Long.fromNumber(1)).equals(Long.fromNumber(1))) {
+	            // Encode '11' into bits 1 to 3
+	            dec.high = dec.high.or(Long.fromNumber(0x3).shiftLeft(61));
+	            dec.high = dec.high.or(Long.fromNumber(biasedExponent).and(Long.fromNumber(0x3fff).shiftLeft(47)));
+	            dec.high = dec.high.or(significand.high.and(Long.fromNumber(0x7fffffffffff)));
+	        }
+	        else {
+	            dec.high = dec.high.or(Long.fromNumber(biasedExponent & 0x3fff).shiftLeft(49));
+	            dec.high = dec.high.or(significand.high.and(Long.fromNumber(0x1ffffffffffff)));
+	        }
+	        dec.low = significand.low;
+	        // Encode sign
+	        if (isNegative) {
+	            dec.high = dec.high.or(Long.fromString('9223372036854775808'));
+	        }
+	        // Encode into a buffer
+	        var buffer = buffer_1.alloc(16);
+	        index = 0;
+	        // Encode the low 64 bits of the decimal
+	        // Encode low bits
+	        buffer[index++] = dec.low.low & 0xff;
+	        buffer[index++] = (dec.low.low >> 8) & 0xff;
+	        buffer[index++] = (dec.low.low >> 16) & 0xff;
+	        buffer[index++] = (dec.low.low >> 24) & 0xff;
+	        // Encode high bits
+	        buffer[index++] = dec.low.high & 0xff;
+	        buffer[index++] = (dec.low.high >> 8) & 0xff;
+	        buffer[index++] = (dec.low.high >> 16) & 0xff;
+	        buffer[index++] = (dec.low.high >> 24) & 0xff;
+	        // Encode the high 64 bits of the decimal
+	        // Encode low bits
+	        buffer[index++] = dec.high.low & 0xff;
+	        buffer[index++] = (dec.high.low >> 8) & 0xff;
+	        buffer[index++] = (dec.high.low >> 16) & 0xff;
+	        buffer[index++] = (dec.high.low >> 24) & 0xff;
+	        // Encode high bits
+	        buffer[index++] = dec.high.high & 0xff;
+	        buffer[index++] = (dec.high.high >> 8) & 0xff;
+	        buffer[index++] = (dec.high.high >> 16) & 0xff;
+	        buffer[index++] = (dec.high.high >> 24) & 0xff;
+	        // Return the new Decimal128
+	        return new Decimal128(buffer);
+	    };
+	    /** Create a string representation of the raw Decimal128 value */
+	    Decimal128.prototype.toString = function () {
+	        // Note: bits in this routine are referred to starting at 0,
+	        // from the sign bit, towards the coefficient.
+	        // decoded biased exponent (14 bits)
+	        var biased_exponent;
+	        // the number of significand digits
+	        var significand_digits = 0;
+	        // the base-10 digits in the significand
+	        var significand = new Array(36);
+	        for (var i = 0; i < significand.length; i++)
+	            significand[i] = 0;
+	        // read pointer into significand
+	        var index = 0;
+	        // true if the number is zero
+	        var is_zero = false;
+	        // the most significant significand bits (50-46)
+	        var significand_msb;
+	        // temporary storage for significand decoding
+	        var significand128 = { parts: [0, 0, 0, 0] };
+	        // indexing variables
+	        var j, k;
+	        // Output string
+	        var string = [];
+	        // Unpack index
+	        index = 0;
+	        // Buffer reference
+	        var buffer = this.bytes;
+	        // Unpack the low 64bits into a long
+	        // bits 96 - 127
+	        var low = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+	        // bits 64 - 95
+	        var midl = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+	        // Unpack the high 64bits into a long
+	        // bits 32 - 63
+	        var midh = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+	        // bits 0 - 31
+	        var high = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+	        // Unpack index
+	        index = 0;
+	        // Create the state of the decimal
+	        var dec = {
+	            low: new Long(low, midl),
+	            high: new Long(midh, high)
+	        };
+	        if (dec.high.lessThan(Long.ZERO)) {
+	            string.push('-');
+	        }
+	        // Decode combination field and exponent
+	        // bits 1 - 5
+	        var combination = (high >> 26) & COMBINATION_MASK;
+	        if (combination >> 3 === 3) {
+	            // Check for 'special' values
+	            if (combination === COMBINATION_INFINITY) {
+	                return string.join('') + 'Infinity';
+	            }
+	            else if (combination === COMBINATION_NAN) {
+	                return 'NaN';
+	            }
+	            else {
+	                biased_exponent = (high >> 15) & EXPONENT_MASK;
+	                significand_msb = 0x08 + ((high >> 14) & 0x01);
+	            }
+	        }
+	        else {
+	            significand_msb = (high >> 14) & 0x07;
+	            biased_exponent = (high >> 17) & EXPONENT_MASK;
+	        }
+	        // unbiased exponent
+	        var exponent = biased_exponent - EXPONENT_BIAS;
+	        // Create string of significand digits
+	        // Convert the 114-bit binary number represented by
+	        // (significand_high, significand_low) to at most 34 decimal
+	        // digits through modulo and division.
+	        significand128.parts[0] = (high & 0x3fff) + ((significand_msb & 0xf) << 14);
+	        significand128.parts[1] = midh;
+	        significand128.parts[2] = midl;
+	        significand128.parts[3] = low;
+	        if (significand128.parts[0] === 0 &&
+	            significand128.parts[1] === 0 &&
+	            significand128.parts[2] === 0 &&
+	            significand128.parts[3] === 0) {
+	            is_zero = true;
+	        }
+	        else {
+	            for (k = 3; k >= 0; k--) {
+	                var least_digits = 0;
+	                // Perform the divide
+	                var result = divideu128(significand128);
+	                significand128 = result.quotient;
+	                least_digits = result.rem.low;
+	                // We now have the 9 least significant digits (in base 2).
+	                // Convert and output to string.
+	                if (!least_digits)
+	                    continue;
+	                for (j = 8; j >= 0; j--) {
+	                    // significand[k * 9 + j] = Math.round(least_digits % 10);
+	                    significand[k * 9 + j] = least_digits % 10;
+	                    // least_digits = Math.round(least_digits / 10);
+	                    least_digits = Math.floor(least_digits / 10);
+	                }
+	            }
+	        }
+	        // Output format options:
+	        // Scientific - [-]d.dddE(+/-)dd or [-]dE(+/-)dd
+	        // Regular    - ddd.ddd
+	        if (is_zero) {
+	            significand_digits = 1;
+	            significand[index] = 0;
+	        }
+	        else {
+	            significand_digits = 36;
+	            while (!significand[index]) {
+	                significand_digits = significand_digits - 1;
+	                index = index + 1;
+	            }
+	        }
+	        // the exponent if scientific notation is used
+	        var scientific_exponent = significand_digits - 1 + exponent;
+	        // The scientific exponent checks are dictated by the string conversion
+	        // specification and are somewhat arbitrary cutoffs.
+	        //
+	        // We must check exponent > 0, because if this is the case, the number
+	        // has trailing zeros.  However, we *cannot* output these trailing zeros,
+	        // because doing so would change the precision of the value, and would
+	        // change stored data if the string converted number is round tripped.
+	        if (scientific_exponent >= 34 || scientific_exponent <= -7 || exponent > 0) {
+	            // Scientific format
+	            // if there are too many significant digits, we should just be treating numbers
+	            // as + or - 0 and using the non-scientific exponent (this is for the "invalid
+	            // representation should be treated as 0/-0" spec cases in decimal128-1.json)
+	            if (significand_digits > 34) {
+	                string.push("".concat(0));
+	                if (exponent > 0)
+	                    string.push("E+".concat(exponent));
+	                else if (exponent < 0)
+	                    string.push("E".concat(exponent));
+	                return string.join('');
+	            }
+	            string.push("".concat(significand[index++]));
+	            significand_digits = significand_digits - 1;
+	            if (significand_digits) {
+	                string.push('.');
+	            }
+	            for (var i = 0; i < significand_digits; i++) {
+	                string.push("".concat(significand[index++]));
+	            }
+	            // Exponent
+	            string.push('E');
+	            if (scientific_exponent > 0) {
+	                string.push("+".concat(scientific_exponent));
+	            }
+	            else {
+	                string.push("".concat(scientific_exponent));
+	            }
+	        }
+	        else {
+	            // Regular format with no decimal place
+	            if (exponent >= 0) {
+	                for (var i = 0; i < significand_digits; i++) {
+	                    string.push("".concat(significand[index++]));
+	                }
+	            }
+	            else {
+	                var radix_position = significand_digits + exponent;
+	                // non-zero digits before radix
+	                if (radix_position > 0) {
+	                    for (var i = 0; i < radix_position; i++) {
+	                        string.push("".concat(significand[index++]));
+	                    }
+	                }
+	                else {
+	                    string.push('0');
+	                }
+	                string.push('.');
+	                // add leading zeros after radix
+	                while (radix_position++ < 0) {
+	                    string.push('0');
+	                }
+	                for (var i = 0; i < significand_digits - Math.max(radix_position - 1, 0); i++) {
+	                    string.push("".concat(significand[index++]));
+	                }
+	            }
+	        }
+	        return string.join('');
+	    };
+	    Decimal128.prototype.toJSON = function () {
+	        return { $numberDecimal: this.toString() };
+	    };
+	    /** @internal */
+	    Decimal128.prototype.toExtendedJSON = function () {
+	        return { $numberDecimal: this.toString() };
+	    };
+	    /** @internal */
+	    Decimal128.fromExtendedJSON = function (doc) {
+	        return Decimal128.fromString(doc.$numberDecimal);
+	    };
+	    /** @internal */
+	    Decimal128.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Decimal128.prototype.inspect = function () {
+	        return "new Decimal128(\"".concat(this.toString(), "\")");
+	    };
+	    return Decimal128;
+	}());
+	Object.defineProperty(Decimal128.prototype, '_bsontype', { value: 'Decimal128' });
+
+	/**
+	 * A class representation of the BSON Double type.
+	 * @public
+	 * @category BSONType
+	 */
+	var Double = /** @class */ (function () {
+	    /**
+	     * Create a Double type
+	     *
+	     * @param value - the number we want to represent as a double.
+	     */
+	    function Double(value) {
+	        if (!(this instanceof Double))
+	            return new Double(value);
+	        if (value instanceof Number) {
+	            value = value.valueOf();
+	        }
+	        this.value = +value;
+	    }
+	    /**
+	     * Access the number value.
+	     *
+	     * @returns returns the wrapped double number.
+	     */
+	    Double.prototype.valueOf = function () {
+	        return this.value;
+	    };
+	    Double.prototype.toJSON = function () {
+	        return this.value;
+	    };
+	    Double.prototype.toString = function (radix) {
+	        return this.value.toString(radix);
+	    };
+	    /** @internal */
+	    Double.prototype.toExtendedJSON = function (options) {
+	        if (options && (options.legacy || (options.relaxed && isFinite(this.value)))) {
+	            return this.value;
+	        }
+	        // NOTE: JavaScript has +0 and -0, apparently to model limit calculations. If a user
+	        // explicitly provided `-0` then we need to ensure the sign makes it into the output
+	        if (Object.is(Math.sign(this.value), -0)) {
+	            return { $numberDouble: "-".concat(this.value.toFixed(1)) };
+	        }
+	        var $numberDouble;
+	        if (Number.isInteger(this.value)) {
+	            $numberDouble = this.value.toFixed(1);
+	            if ($numberDouble.length >= 13) {
+	                $numberDouble = this.value.toExponential(13).toUpperCase();
+	            }
+	        }
+	        else {
+	            $numberDouble = this.value.toString();
+	        }
+	        return { $numberDouble: $numberDouble };
+	    };
+	    /** @internal */
+	    Double.fromExtendedJSON = function (doc, options) {
+	        var doubleValue = parseFloat(doc.$numberDouble);
+	        return options && options.relaxed ? doubleValue : new Double(doubleValue);
+	    };
+	    /** @internal */
+	    Double.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Double.prototype.inspect = function () {
+	        var eJSON = this.toExtendedJSON();
+	        return "new Double(".concat(eJSON.$numberDouble, ")");
+	    };
+	    return Double;
+	}());
+	Object.defineProperty(Double.prototype, '_bsontype', { value: 'Double' });
+
+	/**
+	 * A class representation of a BSON Int32 type.
+	 * @public
+	 * @category BSONType
+	 */
+	var Int32 = /** @class */ (function () {
+	    /**
+	     * Create an Int32 type
+	     *
+	     * @param value - the number we want to represent as an int32.
+	     */
+	    function Int32(value) {
+	        if (!(this instanceof Int32))
+	            return new Int32(value);
+	        if (value instanceof Number) {
+	            value = value.valueOf();
+	        }
+	        this.value = +value | 0;
+	    }
+	    /**
+	     * Access the number value.
+	     *
+	     * @returns returns the wrapped int32 number.
+	     */
+	    Int32.prototype.valueOf = function () {
+	        return this.value;
+	    };
+	    Int32.prototype.toString = function (radix) {
+	        return this.value.toString(radix);
+	    };
+	    Int32.prototype.toJSON = function () {
+	        return this.value;
+	    };
+	    /** @internal */
+	    Int32.prototype.toExtendedJSON = function (options) {
+	        if (options && (options.relaxed || options.legacy))
+	            return this.value;
+	        return { $numberInt: this.value.toString() };
+	    };
+	    /** @internal */
+	    Int32.fromExtendedJSON = function (doc, options) {
+	        return options && options.relaxed ? parseInt(doc.$numberInt, 10) : new Int32(doc.$numberInt);
+	    };
+	    /** @internal */
+	    Int32.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Int32.prototype.inspect = function () {
+	        return "new Int32(".concat(this.valueOf(), ")");
+	    };
+	    return Int32;
+	}());
+	Object.defineProperty(Int32.prototype, '_bsontype', { value: 'Int32' });
+
+	/**
+	 * A class representation of the BSON MaxKey type.
+	 * @public
+	 * @category BSONType
+	 */
+	var MaxKey = /** @class */ (function () {
+	    function MaxKey() {
+	        if (!(this instanceof MaxKey))
+	            return new MaxKey();
+	    }
+	    /** @internal */
+	    MaxKey.prototype.toExtendedJSON = function () {
+	        return { $maxKey: 1 };
+	    };
+	    /** @internal */
+	    MaxKey.fromExtendedJSON = function () {
+	        return new MaxKey();
+	    };
+	    /** @internal */
+	    MaxKey.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    MaxKey.prototype.inspect = function () {
+	        return 'new MaxKey()';
+	    };
+	    return MaxKey;
+	}());
+	Object.defineProperty(MaxKey.prototype, '_bsontype', { value: 'MaxKey' });
+
+	/**
+	 * A class representation of the BSON MinKey type.
+	 * @public
+	 * @category BSONType
+	 */
+	var MinKey = /** @class */ (function () {
+	    function MinKey() {
+	        if (!(this instanceof MinKey))
+	            return new MinKey();
+	    }
+	    /** @internal */
+	    MinKey.prototype.toExtendedJSON = function () {
+	        return { $minKey: 1 };
+	    };
+	    /** @internal */
+	    MinKey.fromExtendedJSON = function () {
+	        return new MinKey();
+	    };
+	    /** @internal */
+	    MinKey.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    MinKey.prototype.inspect = function () {
+	        return 'new MinKey()';
+	    };
+	    return MinKey;
+	}());
+	Object.defineProperty(MinKey.prototype, '_bsontype', { value: 'MinKey' });
+
+	// Regular expression that checks for hex value
+	var checkForHexRegExp = new RegExp('^[0-9a-fA-F]{24}$');
+	// Unique sequence for the current process (initialized on first use)
+	var PROCESS_UNIQUE = null;
+	var kId = Symbol('id');
+	/**
+	 * A class representation of the BSON ObjectId type.
+	 * @public
+	 * @category BSONType
+	 */
+	var ObjectId = /** @class */ (function () {
+	    /**
+	     * Create an ObjectId type
+	     *
+	     * @param inputId - Can be a 24 character hex string, 12 byte binary Buffer, or a number.
+	     */
+	    function ObjectId(inputId) {
+	        if (!(this instanceof ObjectId))
+	            return new ObjectId(inputId);
+	        // workingId is set based on type of input and whether valid id exists for the input
+	        var workingId;
+	        if (typeof inputId === 'object' && inputId && 'id' in inputId) {
+	            if (typeof inputId.id !== 'string' && !ArrayBuffer.isView(inputId.id)) {
+	                throw new BSONTypeError('Argument passed in must have an id that is of type string or Buffer');
+	            }
+	            if ('toHexString' in inputId && typeof inputId.toHexString === 'function') {
+	                workingId = buffer_1.from(inputId.toHexString(), 'hex');
+	            }
+	            else {
+	                workingId = inputId.id;
+	            }
+	        }
+	        else {
+	            workingId = inputId;
+	        }
+	        // the following cases use workingId to construct an ObjectId
+	        if (workingId == null || typeof workingId === 'number') {
+	            // The most common use case (blank id, new objectId instance)
+	            // Generate a new id
+	            this[kId] = ObjectId.generate(typeof workingId === 'number' ? workingId : undefined);
+	        }
+	        else if (ArrayBuffer.isView(workingId) && workingId.byteLength === 12) {
+	            // If intstanceof matches we can escape calling ensure buffer in Node.js environments
+	            this[kId] = workingId instanceof buffer_1 ? workingId : ensureBuffer(workingId);
+	        }
+	        else if (typeof workingId === 'string') {
+	            if (workingId.length === 12) {
+	                var bytes = buffer_1.from(workingId);
+	                if (bytes.byteLength === 12) {
+	                    this[kId] = bytes;
+	                }
+	                else {
+	                    throw new BSONTypeError('Argument passed in must be a string of 12 bytes');
+	                }
+	            }
+	            else if (workingId.length === 24 && checkForHexRegExp.test(workingId)) {
+	                this[kId] = buffer_1.from(workingId, 'hex');
+	            }
+	            else {
+	                throw new BSONTypeError('Argument passed in must be a string of 12 bytes or a string of 24 hex characters or an integer');
+	            }
+	        }
+	        else {
+	            throw new BSONTypeError('Argument passed in does not match the accepted types');
+	        }
+	        // If we are caching the hex string
+	        if (ObjectId.cacheHexString) {
+	            this.__id = this.id.toString('hex');
+	        }
+	    }
+	    Object.defineProperty(ObjectId.prototype, "id", {
+	        /**
+	         * The ObjectId bytes
+	         * @readonly
+	         */
+	        get: function () {
+	            return this[kId];
+	        },
+	        set: function (value) {
+	            this[kId] = value;
+	            if (ObjectId.cacheHexString) {
+	                this.__id = value.toString('hex');
+	            }
+	        },
+	        enumerable: false,
+	        configurable: true
+	    });
+	    Object.defineProperty(ObjectId.prototype, "generationTime", {
+	        /**
+	         * The generation time of this ObjectId instance
+	         * @deprecated Please use getTimestamp / createFromTime which returns an int32 epoch
+	         */
+	        get: function () {
+	            return this.id.readInt32BE(0);
+	        },
+	        set: function (value) {
+	            // Encode time into first 4 bytes
+	            this.id.writeUInt32BE(value, 0);
+	        },
+	        enumerable: false,
+	        configurable: true
+	    });
+	    /** Returns the ObjectId id as a 24 character hex string representation */
+	    ObjectId.prototype.toHexString = function () {
+	        if (ObjectId.cacheHexString && this.__id) {
+	            return this.__id;
+	        }
+	        var hexString = this.id.toString('hex');
+	        if (ObjectId.cacheHexString && !this.__id) {
+	            this.__id = hexString;
+	        }
+	        return hexString;
+	    };
+	    /**
+	     * Update the ObjectId index
+	     * @privateRemarks
+	     * Used in generating new ObjectId's on the driver
+	     * @internal
+	     */
+	    ObjectId.getInc = function () {
+	        return (ObjectId.index = (ObjectId.index + 1) % 0xffffff);
+	    };
+	    /**
+	     * Generate a 12 byte id buffer used in ObjectId's
+	     *
+	     * @param time - pass in a second based timestamp.
+	     */
+	    ObjectId.generate = function (time) {
+	        if ('number' !== typeof time) {
+	            time = Math.floor(Date.now() / 1000);
+	        }
+	        var inc = ObjectId.getInc();
+	        var buffer = buffer_1.alloc(12);
+	        // 4-byte timestamp
+	        buffer.writeUInt32BE(time, 0);
+	        // set PROCESS_UNIQUE if yet not initialized
+	        if (PROCESS_UNIQUE === null) {
+	            PROCESS_UNIQUE = randomBytes(5);
+	        }
+	        // 5-byte process unique
+	        buffer[4] = PROCESS_UNIQUE[0];
+	        buffer[5] = PROCESS_UNIQUE[1];
+	        buffer[6] = PROCESS_UNIQUE[2];
+	        buffer[7] = PROCESS_UNIQUE[3];
+	        buffer[8] = PROCESS_UNIQUE[4];
+	        // 3-byte counter
+	        buffer[11] = inc & 0xff;
+	        buffer[10] = (inc >> 8) & 0xff;
+	        buffer[9] = (inc >> 16) & 0xff;
+	        return buffer;
+	    };
+	    /**
+	     * Converts the id into a 24 character hex string for printing
+	     *
+	     * @param format - The Buffer toString format parameter.
+	     */
+	    ObjectId.prototype.toString = function (format) {
+	        // Is the id a buffer then use the buffer toString method to return the format
+	        if (format)
+	            return this.id.toString(format);
+	        return this.toHexString();
+	    };
+	    /** Converts to its JSON the 24 character hex string representation. */
+	    ObjectId.prototype.toJSON = function () {
+	        return this.toHexString();
+	    };
+	    /**
+	     * Compares the equality of this ObjectId with `otherID`.
+	     *
+	     * @param otherId - ObjectId instance to compare against.
+	     */
+	    ObjectId.prototype.equals = function (otherId) {
+	        if (otherId === undefined || otherId === null) {
+	            return false;
+	        }
+	        if (otherId instanceof ObjectId) {
+	            return this[kId][11] === otherId[kId][11] && this[kId].equals(otherId[kId]);
+	        }
+	        if (typeof otherId === 'string' &&
+	            ObjectId.isValid(otherId) &&
+	            otherId.length === 12 &&
+	            isUint8Array(this.id)) {
+	            return otherId === buffer_1.prototype.toString.call(this.id, 'latin1');
+	        }
+	        if (typeof otherId === 'string' && ObjectId.isValid(otherId) && otherId.length === 24) {
+	            return otherId.toLowerCase() === this.toHexString();
+	        }
+	        if (typeof otherId === 'string' && ObjectId.isValid(otherId) && otherId.length === 12) {
+	            return buffer_1.from(otherId).equals(this.id);
+	        }
+	        if (typeof otherId === 'object' &&
+	            'toHexString' in otherId &&
+	            typeof otherId.toHexString === 'function') {
+	            var otherIdString = otherId.toHexString();
+	            var thisIdString = this.toHexString().toLowerCase();
+	            return typeof otherIdString === 'string' && otherIdString.toLowerCase() === thisIdString;
+	        }
+	        return false;
+	    };
+	    /** Returns the generation date (accurate up to the second) that this ID was generated. */
+	    ObjectId.prototype.getTimestamp = function () {
+	        var timestamp = new Date();
+	        var time = this.id.readUInt32BE(0);
+	        timestamp.setTime(Math.floor(time) * 1000);
+	        return timestamp;
+	    };
+	    /** @internal */
+	    ObjectId.createPk = function () {
+	        return new ObjectId();
+	    };
+	    /**
+	     * Creates an ObjectId from a second based number, with the rest of the ObjectId zeroed out. Used for comparisons or sorting the ObjectId.
+	     *
+	     * @param time - an integer number representing a number of seconds.
+	     */
+	    ObjectId.createFromTime = function (time) {
+	        var buffer = buffer_1.from([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]);
+	        // Encode time into first 4 bytes
+	        buffer.writeUInt32BE(time, 0);
+	        // Return the new objectId
+	        return new ObjectId(buffer);
+	    };
+	    /**
+	     * Creates an ObjectId from a hex string representation of an ObjectId.
+	     *
+	     * @param hexString - create a ObjectId from a passed in 24 character hexstring.
+	     */
+	    ObjectId.createFromHexString = function (hexString) {
+	        // Throw an error if it's not a valid setup
+	        if (typeof hexString === 'undefined' || (hexString != null && hexString.length !== 24)) {
+	            throw new BSONTypeError('Argument passed in must be a single String of 12 bytes or a string of 24 hex characters');
+	        }
+	        return new ObjectId(buffer_1.from(hexString, 'hex'));
+	    };
+	    /**
+	     * Checks if a value is a valid bson ObjectId
+	     *
+	     * @param id - ObjectId instance to validate.
+	     */
+	    ObjectId.isValid = function (id) {
+	        if (id == null)
+	            return false;
+	        try {
+	            new ObjectId(id);
+	            return true;
+	        }
+	        catch (_a) {
+	            return false;
+	        }
+	    };
+	    /** @internal */
+	    ObjectId.prototype.toExtendedJSON = function () {
+	        if (this.toHexString)
+	            return { $oid: this.toHexString() };
+	        return { $oid: this.toString('hex') };
+	    };
+	    /** @internal */
+	    ObjectId.fromExtendedJSON = function (doc) {
+	        return new ObjectId(doc.$oid);
+	    };
+	    /**
+	     * Converts to a string representation of this Id.
+	     *
+	     * @returns return the 24 character hex string representation.
+	     * @internal
+	     */
+	    ObjectId.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    ObjectId.prototype.inspect = function () {
+	        return "new ObjectId(\"".concat(this.toHexString(), "\")");
+	    };
+	    /** @internal */
+	    ObjectId.index = Math.floor(Math.random() * 0xffffff);
+	    return ObjectId;
+	}());
+	// Deprecated methods
+	Object.defineProperty(ObjectId.prototype, 'generate', {
+	    value: deprecate(function (time) { return ObjectId.generate(time); }, 'Please use the static `ObjectId.generate(time)` instead')
+	});
+	Object.defineProperty(ObjectId.prototype, 'getInc', {
+	    value: deprecate(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+	});
+	Object.defineProperty(ObjectId.prototype, 'get_inc', {
+	    value: deprecate(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+	});
+	Object.defineProperty(ObjectId, 'get_inc', {
+	    value: deprecate(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+	});
+	Object.defineProperty(ObjectId.prototype, '_bsontype', { value: 'ObjectID' });
+
+	function alphabetize(str) {
+	    return str.split('').sort().join('');
+	}
+	/**
+	 * A class representation of the BSON RegExp type.
+	 * @public
+	 * @category BSONType
+	 */
+	var BSONRegExp = /** @class */ (function () {
+	    /**
+	     * @param pattern - The regular expression pattern to match
+	     * @param options - The regular expression options
+	     */
+	    function BSONRegExp(pattern, options) {
+	        if (!(this instanceof BSONRegExp))
+	            return new BSONRegExp(pattern, options);
+	        this.pattern = pattern;
+	        this.options = alphabetize(options !== null && options !== void 0 ? options : '');
+	        if (this.pattern.indexOf('\x00') !== -1) {
+	            throw new BSONError("BSON Regex patterns cannot contain null bytes, found: ".concat(JSON.stringify(this.pattern)));
+	        }
+	        if (this.options.indexOf('\x00') !== -1) {
+	            throw new BSONError("BSON Regex options cannot contain null bytes, found: ".concat(JSON.stringify(this.options)));
+	        }
+	        // Validate options
+	        for (var i = 0; i < this.options.length; i++) {
+	            if (!(this.options[i] === 'i' ||
+	                this.options[i] === 'm' ||
+	                this.options[i] === 'x' ||
+	                this.options[i] === 'l' ||
+	                this.options[i] === 's' ||
+	                this.options[i] === 'u')) {
+	                throw new BSONError("The regular expression option [".concat(this.options[i], "] is not supported"));
+	            }
+	        }
+	    }
+	    BSONRegExp.parseOptions = function (options) {
+	        return options ? options.split('').sort().join('') : '';
+	    };
+	    /** @internal */
+	    BSONRegExp.prototype.toExtendedJSON = function (options) {
+	        options = options || {};
+	        if (options.legacy) {
+	            return { $regex: this.pattern, $options: this.options };
+	        }
+	        return { $regularExpression: { pattern: this.pattern, options: this.options } };
+	    };
+	    /** @internal */
+	    BSONRegExp.fromExtendedJSON = function (doc) {
+	        if ('$regex' in doc) {
+	            if (typeof doc.$regex !== 'string') {
+	                // This is for $regex query operators that have extended json values.
+	                if (doc.$regex._bsontype === 'BSONRegExp') {
+	                    return doc;
+	                }
+	            }
+	            else {
+	                return new BSONRegExp(doc.$regex, BSONRegExp.parseOptions(doc.$options));
+	            }
+	        }
+	        if ('$regularExpression' in doc) {
+	            return new BSONRegExp(doc.$regularExpression.pattern, BSONRegExp.parseOptions(doc.$regularExpression.options));
+	        }
+	        throw new BSONTypeError("Unexpected BSONRegExp EJSON object form: ".concat(JSON.stringify(doc)));
+	    };
+	    return BSONRegExp;
+	}());
+	Object.defineProperty(BSONRegExp.prototype, '_bsontype', { value: 'BSONRegExp' });
+
+	/**
+	 * A class representation of the BSON Symbol type.
+	 * @public
+	 * @category BSONType
+	 */
+	var BSONSymbol = /** @class */ (function () {
+	    /**
+	     * @param value - the string representing the symbol.
+	     */
+	    function BSONSymbol(value) {
+	        if (!(this instanceof BSONSymbol))
+	            return new BSONSymbol(value);
+	        this.value = value;
+	    }
+	    /** Access the wrapped string value. */
+	    BSONSymbol.prototype.valueOf = function () {
+	        return this.value;
+	    };
+	    BSONSymbol.prototype.toString = function () {
+	        return this.value;
+	    };
+	    /** @internal */
+	    BSONSymbol.prototype.inspect = function () {
+	        return "new BSONSymbol(\"".concat(this.value, "\")");
+	    };
+	    BSONSymbol.prototype.toJSON = function () {
+	        return this.value;
+	    };
+	    /** @internal */
+	    BSONSymbol.prototype.toExtendedJSON = function () {
+	        return { $symbol: this.value };
+	    };
+	    /** @internal */
+	    BSONSymbol.fromExtendedJSON = function (doc) {
+	        return new BSONSymbol(doc.$symbol);
+	    };
+	    /** @internal */
+	    BSONSymbol.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    return BSONSymbol;
+	}());
+	Object.defineProperty(BSONSymbol.prototype, '_bsontype', { value: 'Symbol' });
+
+	/** @public */
+	var LongWithoutOverridesClass = Long;
+	/**
+	 * @public
+	 * @category BSONType
+	 * */
+	var Timestamp = /** @class */ (function (_super) {
+	    __extends(Timestamp, _super);
+	    function Timestamp(low, high) {
+	        var _this = this;
+	        // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+	        // @ts-expect-error
+	        if (!(_this instanceof Timestamp))
+	            return new Timestamp(low, high);
+	        if (Long.isLong(low)) {
+	            _this = _super.call(this, low.low, low.high, true) || this;
+	        }
+	        else if (isObjectLike(low) && typeof low.t !== 'undefined' && typeof low.i !== 'undefined') {
+	            _this = _super.call(this, low.i, low.t, true) || this;
+	        }
+	        else {
+	            _this = _super.call(this, low, high, true) || this;
+	        }
+	        Object.defineProperty(_this, '_bsontype', {
+	            value: 'Timestamp',
+	            writable: false,
+	            configurable: false,
+	            enumerable: false
+	        });
+	        return _this;
+	    }
+	    Timestamp.prototype.toJSON = function () {
+	        return {
+	            $timestamp: this.toString()
+	        };
+	    };
+	    /** Returns a Timestamp represented by the given (32-bit) integer value. */
+	    Timestamp.fromInt = function (value) {
+	        return new Timestamp(Long.fromInt(value, true));
+	    };
+	    /** Returns a Timestamp representing the given number value, provided that it is a finite number. Otherwise, zero is returned. */
+	    Timestamp.fromNumber = function (value) {
+	        return new Timestamp(Long.fromNumber(value, true));
+	    };
+	    /**
+	     * Returns a Timestamp for the given high and low bits. Each is assumed to use 32 bits.
+	     *
+	     * @param lowBits - the low 32-bits.
+	     * @param highBits - the high 32-bits.
+	     */
+	    Timestamp.fromBits = function (lowBits, highBits) {
+	        return new Timestamp(lowBits, highBits);
+	    };
+	    /**
+	     * Returns a Timestamp from the given string, optionally using the given radix.
+	     *
+	     * @param str - the textual representation of the Timestamp.
+	     * @param optRadix - the radix in which the text is written.
+	     */
+	    Timestamp.fromString = function (str, optRadix) {
+	        return new Timestamp(Long.fromString(str, true, optRadix));
+	    };
+	    /** @internal */
+	    Timestamp.prototype.toExtendedJSON = function () {
+	        return { $timestamp: { t: this.high >>> 0, i: this.low >>> 0 } };
+	    };
+	    /** @internal */
+	    Timestamp.fromExtendedJSON = function (doc) {
+	        return new Timestamp(doc.$timestamp);
+	    };
+	    /** @internal */
+	    Timestamp.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Timestamp.prototype.inspect = function () {
+	        return "new Timestamp({ t: ".concat(this.getHighBits(), ", i: ").concat(this.getLowBits(), " })");
+	    };
+	    Timestamp.MAX_VALUE = Long.MAX_UNSIGNED_VALUE;
+	    return Timestamp;
+	}(LongWithoutOverridesClass));
+
+	function isBSONType(value) {
+	    return (isObjectLike(value) && Reflect.has(value, '_bsontype') && typeof value._bsontype === 'string');
+	}
+	// INT32 boundaries
+	var BSON_INT32_MAX = 0x7fffffff;
+	var BSON_INT32_MIN = -0x80000000;
+	// INT64 boundaries
+	// const BSON_INT64_MAX = 0x7fffffffffffffff; // TODO(NODE-4377): This number cannot be precisely represented in JS
+	var BSON_INT64_MAX = 0x8000000000000000;
+	var BSON_INT64_MIN = -0x8000000000000000;
+	// all the types where we don't need to do any special processing and can just pass the EJSON
+	//straight to type.fromExtendedJSON
+	var keysToCodecs = {
+	    $oid: ObjectId,
+	    $binary: Binary,
+	    $uuid: Binary,
+	    $symbol: BSONSymbol,
+	    $numberInt: Int32,
+	    $numberDecimal: Decimal128,
+	    $numberDouble: Double,
+	    $numberLong: Long,
+	    $minKey: MinKey,
+	    $maxKey: MaxKey,
+	    $regex: BSONRegExp,
+	    $regularExpression: BSONRegExp,
+	    $timestamp: Timestamp
+	};
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
+	function deserializeValue(value, options) {
+	    if (options === void 0) { options = {}; }
+	    if (typeof value === 'number') {
+	        if (options.relaxed || options.legacy) {
+	            return value;
+	        }
+	        // if it's an integer, should interpret as smallest BSON integer
+	        // that can represent it exactly. (if out of range, interpret as double.)
+	        if (Math.floor(value) === value) {
+	            if (value >= BSON_INT32_MIN && value <= BSON_INT32_MAX)
+	                return new Int32(value);
+	            if (value >= BSON_INT64_MIN && value <= BSON_INT64_MAX)
+	                return Long.fromNumber(value);
+	        }
+	        // If the number is a non-integer or out of integer range, should interpret as BSON Double.
+	        return new Double(value);
+	    }
+	    // from here on out we're looking for bson types, so bail if its not an object
+	    if (value == null || typeof value !== 'object')
+	        return value;
+	    // upgrade deprecated undefined to null
+	    if (value.$undefined)
+	        return null;
+	    var keys = Object.keys(value).filter(function (k) { return k.startsWith('$') && value[k] != null; });
+	    for (var i = 0; i < keys.length; i++) {
+	        var c = keysToCodecs[keys[i]];
+	        if (c)
+	            return c.fromExtendedJSON(value, options);
+	    }
+	    if (value.$date != null) {
+	        var d = value.$date;
+	        var date = new Date();
+	        if (options.legacy) {
+	            if (typeof d === 'number')
+	                date.setTime(d);
+	            else if (typeof d === 'string')
+	                date.setTime(Date.parse(d));
+	        }
+	        else {
+	            if (typeof d === 'string')
+	                date.setTime(Date.parse(d));
+	            else if (Long.isLong(d))
+	                date.setTime(d.toNumber());
+	            else if (typeof d === 'number' && options.relaxed)
+	                date.setTime(d);
+	        }
+	        return date;
+	    }
+	    if (value.$code != null) {
+	        var copy = Object.assign({}, value);
+	        if (value.$scope) {
+	            copy.$scope = deserializeValue(value.$scope);
+	        }
+	        return Code.fromExtendedJSON(value);
+	    }
+	    if (isDBRefLike(value) || value.$dbPointer) {
+	        var v = value.$ref ? value : value.$dbPointer;
+	        // we run into this in a "degenerate EJSON" case (with $id and $ref order flipped)
+	        // because of the order JSON.parse goes through the document
+	        if (v instanceof DBRef)
+	            return v;
+	        var dollarKeys = Object.keys(v).filter(function (k) { return k.startsWith('$'); });
+	        var valid_1 = true;
+	        dollarKeys.forEach(function (k) {
+	            if (['$ref', '$id', '$db'].indexOf(k) === -1)
+	                valid_1 = false;
+	        });
+	        // only make DBRef if $ keys are all valid
+	        if (valid_1)
+	            return DBRef.fromExtendedJSON(v);
+	    }
+	    return value;
+	}
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
+	function serializeArray(array, options) {
+	    return array.map(function (v, index) {
+	        options.seenObjects.push({ propertyName: "index ".concat(index), obj: null });
+	        try {
+	            return serializeValue(v, options);
+	        }
+	        finally {
+	            options.seenObjects.pop();
+	        }
+	    });
+	}
+	function getISOString(date) {
+	    var isoStr = date.toISOString();
+	    // we should only show milliseconds in timestamp if they're non-zero
+	    return date.getUTCMilliseconds() !== 0 ? isoStr : isoStr.slice(0, -5) + 'Z';
+	}
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
+	function serializeValue(value, options) {
+	    if ((typeof value === 'object' || typeof value === 'function') && value !== null) {
+	        var index = options.seenObjects.findIndex(function (entry) { return entry.obj === value; });
+	        if (index !== -1) {
+	            var props = options.seenObjects.map(function (entry) { return entry.propertyName; });
+	            var leadingPart = props
+	                .slice(0, index)
+	                .map(function (prop) { return "".concat(prop, " -> "); })
+	                .join('');
+	            var alreadySeen = props[index];
+	            var circularPart = ' -> ' +
+	                props
+	                    .slice(index + 1, props.length - 1)
+	                    .map(function (prop) { return "".concat(prop, " -> "); })
+	                    .join('');
+	            var current = props[props.length - 1];
+	            var leadingSpace = ' '.repeat(leadingPart.length + alreadySeen.length / 2);
+	            var dashes = '-'.repeat(circularPart.length + (alreadySeen.length + current.length) / 2 - 1);
+	            throw new BSONTypeError('Converting circular structure to EJSON:\n' +
+	                "    ".concat(leadingPart).concat(alreadySeen).concat(circularPart).concat(current, "\n") +
+	                "    ".concat(leadingSpace, "\\").concat(dashes, "/"));
+	        }
+	        options.seenObjects[options.seenObjects.length - 1].obj = value;
+	    }
+	    if (Array.isArray(value))
+	        return serializeArray(value, options);
+	    if (value === undefined)
+	        return null;
+	    if (value instanceof Date || isDate(value)) {
+	        var dateNum = value.getTime(), 
+	        // is it in year range 1970-9999?
+	        inRange = dateNum > -1 && dateNum < 253402318800000;
+	        if (options.legacy) {
+	            return options.relaxed && inRange
+	                ? { $date: value.getTime() }
+	                : { $date: getISOString(value) };
+	        }
+	        return options.relaxed && inRange
+	            ? { $date: getISOString(value) }
+	            : { $date: { $numberLong: value.getTime().toString() } };
+	    }
+	    if (typeof value === 'number' && (!options.relaxed || !isFinite(value))) {
+	        // it's an integer
+	        if (Math.floor(value) === value) {
+	            var int32Range = value >= BSON_INT32_MIN && value <= BSON_INT32_MAX, int64Range = value >= BSON_INT64_MIN && value <= BSON_INT64_MAX;
+	            // interpret as being of the smallest BSON integer type that can represent the number exactly
+	            if (int32Range)
+	                return { $numberInt: value.toString() };
+	            if (int64Range)
+	                return { $numberLong: value.toString() };
+	        }
+	        return { $numberDouble: value.toString() };
+	    }
+	    if (value instanceof RegExp || isRegExp(value)) {
+	        var flags = value.flags;
+	        if (flags === undefined) {
+	            var match = value.toString().match(/[gimuy]*$/);
+	            if (match) {
+	                flags = match[0];
+	            }
+	        }
+	        var rx = new BSONRegExp(value.source, flags);
+	        return rx.toExtendedJSON(options);
+	    }
+	    if (value != null && typeof value === 'object')
+	        return serializeDocument(value, options);
+	    return value;
+	}
+	var BSON_TYPE_MAPPINGS = {
+	    Binary: function (o) { return new Binary(o.value(), o.sub_type); },
+	    Code: function (o) { return new Code(o.code, o.scope); },
+	    DBRef: function (o) { return new DBRef(o.collection || o.namespace, o.oid, o.db, o.fields); },
+	    Decimal128: function (o) { return new Decimal128(o.bytes); },
+	    Double: function (o) { return new Double(o.value); },
+	    Int32: function (o) { return new Int32(o.value); },
+	    Long: function (o) {
+	        return Long.fromBits(
+	        // underscore variants for 1.x backwards compatibility
+	        o.low != null ? o.low : o.low_, o.low != null ? o.high : o.high_, o.low != null ? o.unsigned : o.unsigned_);
+	    },
+	    MaxKey: function () { return new MaxKey(); },
+	    MinKey: function () { return new MinKey(); },
+	    ObjectID: function (o) { return new ObjectId(o); },
+	    ObjectId: function (o) { return new ObjectId(o); },
+	    BSONRegExp: function (o) { return new BSONRegExp(o.pattern, o.options); },
+	    Symbol: function (o) { return new BSONSymbol(o.value); },
+	    Timestamp: function (o) { return Timestamp.fromBits(o.low, o.high); }
+	};
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
+	function serializeDocument(doc, options) {
+	    if (doc == null || typeof doc !== 'object')
+	        throw new BSONError('not an object instance');
+	    var bsontype = doc._bsontype;
+	    if (typeof bsontype === 'undefined') {
+	        // It's a regular object. Recursively serialize its property values.
+	        var _doc = {};
+	        for (var name in doc) {
+	            options.seenObjects.push({ propertyName: name, obj: null });
+	            try {
+	                var value = serializeValue(doc[name], options);
+	                if (name === '__proto__') {
+	                    Object.defineProperty(_doc, name, {
+	                        value: value,
+	                        writable: true,
+	                        enumerable: true,
+	                        configurable: true
+	                    });
+	                }
+	                else {
+	                    _doc[name] = value;
+	                }
+	            }
+	            finally {
+	                options.seenObjects.pop();
+	            }
+	        }
+	        return _doc;
+	    }
+	    else if (isBSONType(doc)) {
+	        // the "document" is really just a BSON type object
+	        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+	        var outDoc = doc;
+	        if (typeof outDoc.toExtendedJSON !== 'function') {
+	            // There's no EJSON serialization function on the object. It's probably an
+	            // object created by a previous version of this library (or another library)
+	            // that's duck-typing objects to look like they were generated by this library).
+	            // Copy the object into this library's version of that type.
+	            var mapper = BSON_TYPE_MAPPINGS[doc._bsontype];
+	            if (!mapper) {
+	                throw new BSONTypeError('Unrecognized or invalid _bsontype: ' + doc._bsontype);
+	            }
+	            outDoc = mapper(outDoc);
+	        }
+	        // Two BSON types may have nested objects that may need to be serialized too
+	        if (bsontype === 'Code' && outDoc.scope) {
+	            outDoc = new Code(outDoc.code, serializeValue(outDoc.scope, options));
+	        }
+	        else if (bsontype === 'DBRef' && outDoc.oid) {
+	            outDoc = new DBRef(serializeValue(outDoc.collection, options), serializeValue(outDoc.oid, options), serializeValue(outDoc.db, options), serializeValue(outDoc.fields, options));
+	        }
+	        return outDoc.toExtendedJSON(options);
+	    }
+	    else {
+	        throw new BSONError('_bsontype must be a string, but was: ' + typeof bsontype);
+	    }
+	}
+	/**
+	 * EJSON parse / stringify API
+	 * @public
+	 */
+	// the namespace here is used to emulate `export * as EJSON from '...'`
+	// which as of now (sept 2020) api-extractor does not support
+	// eslint-disable-next-line @typescript-eslint/no-namespace
+	exports.EJSON = void 0;
+	(function (EJSON) {
+	    /**
+	     * Parse an Extended JSON string, constructing the JavaScript value or object described by that
+	     * string.
+	     *
+	     * @example
+	     * ```js
+	     * const { EJSON } = require('bson');
+	     * const text = '{ "int32": { "$numberInt": "10" } }';
+	     *
+	     * // prints { int32: { [String: '10'] _bsontype: 'Int32', value: '10' } }
+	     * console.log(EJSON.parse(text, { relaxed: false }));
+	     *
+	     * // prints { int32: 10 }
+	     * console.log(EJSON.parse(text));
+	     * ```
+	     */
+	    function parse(text, options) {
+	        var finalOptions = Object.assign({}, { relaxed: true, legacy: false }, options);
+	        // relaxed implies not strict
+	        if (typeof finalOptions.relaxed === 'boolean')
+	            finalOptions.strict = !finalOptions.relaxed;
+	        if (typeof finalOptions.strict === 'boolean')
+	            finalOptions.relaxed = !finalOptions.strict;
+	        return JSON.parse(text, function (key, value) {
+	            if (key.indexOf('\x00') !== -1) {
+	                throw new BSONError("BSON Document field names cannot contain null bytes, found: ".concat(JSON.stringify(key)));
+	            }
+	            return deserializeValue(value, finalOptions);
+	        });
+	    }
+	    EJSON.parse = parse;
+	    /**
+	     * Converts a BSON document to an Extended JSON string, optionally replacing values if a replacer
+	     * function is specified or optionally including only the specified properties if a replacer array
+	     * is specified.
+	     *
+	     * @param value - The value to convert to extended JSON
+	     * @param replacer - A function that alters the behavior of the stringification process, or an array of String and Number objects that serve as a whitelist for selecting/filtering the properties of the value object to be included in the JSON string. If this value is null or not provided, all properties of the object are included in the resulting JSON string
+	     * @param space - A String or Number object that's used to insert white space into the output JSON string for readability purposes.
+	     * @param options - Optional settings
+	     *
+	     * @example
+	     * ```js
+	     * const { EJSON } = require('bson');
+	     * const Int32 = require('mongodb').Int32;
+	     * const doc = { int32: new Int32(10) };
+	     *
+	     * // prints '{"int32":{"$numberInt":"10"}}'
+	     * console.log(EJSON.stringify(doc, { relaxed: false }));
+	     *
+	     * // prints '{"int32":10}'
+	     * console.log(EJSON.stringify(doc));
+	     * ```
+	     */
+	    function stringify(value, 
+	    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+	    replacer, space, options) {
+	        if (space != null && typeof space === 'object') {
+	            options = space;
+	            space = 0;
+	        }
+	        if (replacer != null && typeof replacer === 'object' && !Array.isArray(replacer)) {
+	            options = replacer;
+	            replacer = undefined;
+	            space = 0;
+	        }
+	        var serializeOptions = Object.assign({ relaxed: true, legacy: false }, options, {
+	            seenObjects: [{ propertyName: '(root)', obj: null }]
+	        });
+	        var doc = serializeValue(value, serializeOptions);
+	        return JSON.stringify(doc, replacer, space);
+	    }
+	    EJSON.stringify = stringify;
+	    /**
+	     * Serializes an object to an Extended JSON string, and reparse it as a JavaScript object.
+	     *
+	     * @param value - The object to serialize
+	     * @param options - Optional settings passed to the `stringify` function
+	     */
+	    function serialize(value, options) {
+	        options = options || {};
+	        return JSON.parse(stringify(value, options));
+	    }
+	    EJSON.serialize = serialize;
+	    /**
+	     * Deserializes an Extended JSON object into a plain JavaScript object with native/BSON types
+	     *
+	     * @param ejson - The Extended JSON object to deserialize
+	     * @param options - Optional settings passed to the parse method
+	     */
+	    function deserialize(ejson, options) {
+	        options = options || {};
+	        return parse(JSON.stringify(ejson), options);
+	    }
+	    EJSON.deserialize = deserialize;
+	})(exports.EJSON || (exports.EJSON = {}));
+
+	/* eslint-disable @typescript-eslint/no-explicit-any */
+	/** @public */
+	exports.Map = void 0;
+	var bsonGlobal = getGlobal();
+	if (bsonGlobal.Map) {
+	    exports.Map = bsonGlobal.Map;
+	}
+	else {
+	    // We will return a polyfill
+	    exports.Map = /** @class */ (function () {
+	        function Map(array) {
+	            if (array === void 0) { array = []; }
+	            this._keys = [];
+	            this._values = {};
+	            for (var i = 0; i < array.length; i++) {
+	                if (array[i] == null)
+	                    continue; // skip null and undefined
+	                var entry = array[i];
+	                var key = entry[0];
+	                var value = entry[1];
+	                // Add the key to the list of keys in order
+	                this._keys.push(key);
+	                // Add the key and value to the values dictionary with a point
+	                // to the location in the ordered keys list
+	                this._values[key] = { v: value, i: this._keys.length - 1 };
+	            }
+	        }
+	        Map.prototype.clear = function () {
+	            this._keys = [];
+	            this._values = {};
+	        };
+	        Map.prototype.delete = function (key) {
+	            var value = this._values[key];
+	            if (value == null)
+	                return false;
+	            // Delete entry
+	            delete this._values[key];
+	            // Remove the key from the ordered keys list
+	            this._keys.splice(value.i, 1);
+	            return true;
+	        };
+	        Map.prototype.entries = function () {
+	            var _this = this;
+	            var index = 0;
+	            return {
+	                next: function () {
+	                    var key = _this._keys[index++];
+	                    return {
+	                        value: key !== undefined ? [key, _this._values[key].v] : undefined,
+	                        done: key !== undefined ? false : true
+	                    };
+	                }
+	            };
+	        };
+	        Map.prototype.forEach = function (callback, self) {
+	            self = self || this;
+	            for (var i = 0; i < this._keys.length; i++) {
+	                var key = this._keys[i];
+	                // Call the forEach callback
+	                callback.call(self, this._values[key].v, key, self);
+	            }
+	        };
+	        Map.prototype.get = function (key) {
+	            return this._values[key] ? this._values[key].v : undefined;
+	        };
+	        Map.prototype.has = function (key) {
+	            return this._values[key] != null;
+	        };
+	        Map.prototype.keys = function () {
+	            var _this = this;
+	            var index = 0;
+	            return {
+	                next: function () {
+	                    var key = _this._keys[index++];
+	                    return {
+	                        value: key !== undefined ? key : undefined,
+	                        done: key !== undefined ? false : true
+	                    };
+	                }
+	            };
+	        };
+	        Map.prototype.set = function (key, value) {
+	            if (this._values[key]) {
+	                this._values[key].v = value;
+	                return this;
+	            }
+	            // Add the key to the list of keys in order
+	            this._keys.push(key);
+	            // Add the key and value to the values dictionary with a point
+	            // to the location in the ordered keys list
+	            this._values[key] = { v: value, i: this._keys.length - 1 };
+	            return this;
+	        };
+	        Map.prototype.values = function () {
+	            var _this = this;
+	            var index = 0;
+	            return {
+	                next: function () {
+	                    var key = _this._keys[index++];
+	                    return {
+	                        value: key !== undefined ? _this._values[key].v : undefined,
+	                        done: key !== undefined ? false : true
+	                    };
+	                }
+	            };
+	        };
+	        Object.defineProperty(Map.prototype, "size", {
+	            get: function () {
+	                return this._keys.length;
+	            },
+	            enumerable: false,
+	            configurable: true
+	        });
+	        return Map;
+	    }());
+	}
+
+	function calculateObjectSize$1(object, serializeFunctions, ignoreUndefined) {
+	    var totalLength = 4 + 1;
+	    if (Array.isArray(object)) {
+	        for (var i = 0; i < object.length; i++) {
+	            totalLength += calculateElement(i.toString(), object[i], serializeFunctions, true, ignoreUndefined);
+	        }
+	    }
+	    else {
+	        // If we have toBSON defined, override the current object
+	        if (typeof (object === null || object === void 0 ? void 0 : object.toBSON) === 'function') {
+	            object = object.toBSON();
+	        }
+	        // Calculate size
+	        for (var key in object) {
+	            totalLength += calculateElement(key, object[key], serializeFunctions, false, ignoreUndefined);
+	        }
+	    }
+	    return totalLength;
+	}
+	/** @internal */
+	function calculateElement(name, 
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
+	value, serializeFunctions, isArray, ignoreUndefined) {
+	    if (serializeFunctions === void 0) { serializeFunctions = false; }
+	    if (isArray === void 0) { isArray = false; }
+	    if (ignoreUndefined === void 0) { ignoreUndefined = false; }
+	    // If we have toBSON defined, override the current object
+	    if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+	        value = value.toBSON();
+	    }
+	    switch (typeof value) {
+	        case 'string':
+	            return 1 + buffer_1.byteLength(name, 'utf8') + 1 + 4 + buffer_1.byteLength(value, 'utf8') + 1;
+	        case 'number':
+	            if (Math.floor(value) === value &&
+	                value >= JS_INT_MIN &&
+	                value <= JS_INT_MAX) {
+	                if (value >= BSON_INT32_MIN$1 && value <= BSON_INT32_MAX$1) {
+	                    // 32 bit
+	                    return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (4 + 1);
+	                }
+	                else {
+	                    return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+	                }
+	            }
+	            else {
+	                // 64 bit
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+	            }
+	        case 'undefined':
+	            if (isArray || !ignoreUndefined)
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + 1;
+	            return 0;
+	        case 'boolean':
+	            return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (1 + 1);
+	        case 'object':
+	            if (value == null || value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + 1;
+	            }
+	            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (12 + 1);
+	            }
+	            else if (value instanceof Date || isDate(value)) {
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+	            }
+	            else if (ArrayBuffer.isView(value) ||
+	                value instanceof ArrayBuffer ||
+	                isAnyArrayBuffer(value)) {
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (1 + 4 + 1) + value.byteLength);
+	            }
+	            else if (value['_bsontype'] === 'Long' ||
+	                value['_bsontype'] === 'Double' ||
+	                value['_bsontype'] === 'Timestamp') {
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+	            }
+	            else if (value['_bsontype'] === 'Decimal128') {
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (16 + 1);
+	            }
+	            else if (value['_bsontype'] === 'Code') {
+	                // Calculate size depending on the availability of a scope
+	                if (value.scope != null && Object.keys(value.scope).length > 0) {
+	                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                        1 +
+	                        4 +
+	                        4 +
+	                        buffer_1.byteLength(value.code.toString(), 'utf8') +
+	                        1 +
+	                        calculateObjectSize$1(value.scope, serializeFunctions, ignoreUndefined));
+	                }
+	                else {
+	                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                        1 +
+	                        4 +
+	                        buffer_1.byteLength(value.code.toString(), 'utf8') +
+	                        1);
+	                }
+	            }
+	            else if (value['_bsontype'] === 'Binary') {
+	                var binary = value;
+	                // Check what kind of subtype we have
+	                if (binary.sub_type === Binary.SUBTYPE_BYTE_ARRAY) {
+	                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                        (binary.position + 1 + 4 + 1 + 4));
+	                }
+	                else {
+	                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (binary.position + 1 + 4 + 1));
+	                }
+	            }
+	            else if (value['_bsontype'] === 'Symbol') {
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                    buffer_1.byteLength(value.value, 'utf8') +
+	                    4 +
+	                    1 +
+	                    1);
+	            }
+	            else if (value['_bsontype'] === 'DBRef') {
+	                // Set up correct object for serialization
+	                var ordered_values = Object.assign({
+	                    $ref: value.collection,
+	                    $id: value.oid
+	                }, value.fields);
+	                // Add db reference if it exists
+	                if (value.db != null) {
+	                    ordered_values['$db'] = value.db;
+	                }
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                    1 +
+	                    calculateObjectSize$1(ordered_values, serializeFunctions, ignoreUndefined));
+	            }
+	            else if (value instanceof RegExp || isRegExp(value)) {
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                    1 +
+	                    buffer_1.byteLength(value.source, 'utf8') +
+	                    1 +
+	                    (value.global ? 1 : 0) +
+	                    (value.ignoreCase ? 1 : 0) +
+	                    (value.multiline ? 1 : 0) +
+	                    1);
+	            }
+	            else if (value['_bsontype'] === 'BSONRegExp') {
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                    1 +
+	                    buffer_1.byteLength(value.pattern, 'utf8') +
+	                    1 +
+	                    buffer_1.byteLength(value.options, 'utf8') +
+	                    1);
+	            }
+	            else {
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                    calculateObjectSize$1(value, serializeFunctions, ignoreUndefined) +
+	                    1);
+	            }
+	        case 'function':
+	            // WTF for 0.4.X where typeof /someregexp/ === 'function'
+	            if (value instanceof RegExp || isRegExp(value) || String.call(value) === '[object RegExp]') {
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                    1 +
+	                    buffer_1.byteLength(value.source, 'utf8') +
+	                    1 +
+	                    (value.global ? 1 : 0) +
+	                    (value.ignoreCase ? 1 : 0) +
+	                    (value.multiline ? 1 : 0) +
+	                    1);
+	            }
+	            else {
+	                if (serializeFunctions && value.scope != null && Object.keys(value.scope).length > 0) {
+	                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                        1 +
+	                        4 +
+	                        4 +
+	                        buffer_1.byteLength(normalizedFunctionString(value), 'utf8') +
+	                        1 +
+	                        calculateObjectSize$1(value.scope, serializeFunctions, ignoreUndefined));
+	                }
+	                else if (serializeFunctions) {
+	                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                        1 +
+	                        4 +
+	                        buffer_1.byteLength(normalizedFunctionString(value), 'utf8') +
+	                        1);
+	                }
+	            }
+	    }
+	    return 0;
+	}
+
+	var FIRST_BIT = 0x80;
+	var FIRST_TWO_BITS = 0xc0;
+	var FIRST_THREE_BITS = 0xe0;
+	var FIRST_FOUR_BITS = 0xf0;
+	var FIRST_FIVE_BITS = 0xf8;
+	var TWO_BIT_CHAR = 0xc0;
+	var THREE_BIT_CHAR = 0xe0;
+	var FOUR_BIT_CHAR = 0xf0;
+	var CONTINUING_CHAR = 0x80;
+	/**
+	 * Determines if the passed in bytes are valid utf8
+	 * @param bytes - An array of 8-bit bytes. Must be indexable and have length property
+	 * @param start - The index to start validating
+	 * @param end - The index to end validating
+	 */
+	function validateUtf8(bytes, start, end) {
+	    var continuation = 0;
+	    for (var i = start; i < end; i += 1) {
+	        var byte = bytes[i];
+	        if (continuation) {
+	            if ((byte & FIRST_TWO_BITS) !== CONTINUING_CHAR) {
+	                return false;
+	            }
+	            continuation -= 1;
+	        }
+	        else if (byte & FIRST_BIT) {
+	            if ((byte & FIRST_THREE_BITS) === TWO_BIT_CHAR) {
+	                continuation = 1;
+	            }
+	            else if ((byte & FIRST_FOUR_BITS) === THREE_BIT_CHAR) {
+	                continuation = 2;
+	            }
+	            else if ((byte & FIRST_FIVE_BITS) === FOUR_BIT_CHAR) {
+	                continuation = 3;
+	            }
+	            else {
+	                return false;
+	            }
+	        }
+	    }
+	    return !continuation;
+	}
+
+	// Internal long versions
+	var JS_INT_MAX_LONG = Long.fromNumber(JS_INT_MAX);
+	var JS_INT_MIN_LONG = Long.fromNumber(JS_INT_MIN);
+	var functionCache = {};
+	function deserialize$1(buffer, options, isArray) {
+	    options = options == null ? {} : options;
+	    var index = options && options.index ? options.index : 0;
+	    // Read the document size
+	    var size = buffer[index] |
+	        (buffer[index + 1] << 8) |
+	        (buffer[index + 2] << 16) |
+	        (buffer[index + 3] << 24);
+	    if (size < 5) {
+	        throw new BSONError("bson size must be >= 5, is ".concat(size));
+	    }
+	    if (options.allowObjectSmallerThanBufferSize && buffer.length < size) {
+	        throw new BSONError("buffer length ".concat(buffer.length, " must be >= bson size ").concat(size));
+	    }
+	    if (!options.allowObjectSmallerThanBufferSize && buffer.length !== size) {
+	        throw new BSONError("buffer length ".concat(buffer.length, " must === bson size ").concat(size));
+	    }
+	    if (size + index > buffer.byteLength) {
+	        throw new BSONError("(bson size ".concat(size, " + options.index ").concat(index, " must be <= buffer length ").concat(buffer.byteLength, ")"));
+	    }
+	    // Illegal end value
+	    if (buffer[index + size - 1] !== 0) {
+	        throw new BSONError("One object, sized correctly, with a spot for an EOO, but the EOO isn't 0x00");
+	    }
+	    // Start deserializtion
+	    return deserializeObject(buffer, index, options, isArray);
+	}
+	var allowedDBRefKeys = /^\$ref$|^\$id$|^\$db$/;
+	function deserializeObject(buffer, index, options, isArray) {
+	    if (isArray === void 0) { isArray = false; }
+	    var evalFunctions = options['evalFunctions'] == null ? false : options['evalFunctions'];
+	    var cacheFunctions = options['cacheFunctions'] == null ? false : options['cacheFunctions'];
+	    var fieldsAsRaw = options['fieldsAsRaw'] == null ? null : options['fieldsAsRaw'];
+	    // Return raw bson buffer instead of parsing it
+	    var raw = options['raw'] == null ? false : options['raw'];
+	    // Return BSONRegExp objects instead of native regular expressions
+	    var bsonRegExp = typeof options['bsonRegExp'] === 'boolean' ? options['bsonRegExp'] : false;
+	    // Controls the promotion of values vs wrapper classes
+	    var promoteBuffers = options['promoteBuffers'] == null ? false : options['promoteBuffers'];
+	    var promoteLongs = options['promoteLongs'] == null ? true : options['promoteLongs'];
+	    var promoteValues = options['promoteValues'] == null ? true : options['promoteValues'];
+	    // Ensures default validation option if none given
+	    var validation = options.validation == null ? { utf8: true } : options.validation;
+	    // Shows if global utf-8 validation is enabled or disabled
+	    var globalUTFValidation = true;
+	    // Reflects utf-8 validation setting regardless of global or specific key validation
+	    var validationSetting;
+	    // Set of keys either to enable or disable validation on
+	    var utf8KeysSet = new Set();
+	    // Check for boolean uniformity and empty validation option
+	    var utf8ValidatedKeys = validation.utf8;
+	    if (typeof utf8ValidatedKeys === 'boolean') {
+	        validationSetting = utf8ValidatedKeys;
+	    }
+	    else {
+	        globalUTFValidation = false;
+	        var utf8ValidationValues = Object.keys(utf8ValidatedKeys).map(function (key) {
+	            return utf8ValidatedKeys[key];
+	        });
+	        if (utf8ValidationValues.length === 0) {
+	            throw new BSONError('UTF-8 validation setting cannot be empty');
+	        }
+	        if (typeof utf8ValidationValues[0] !== 'boolean') {
+	            throw new BSONError('Invalid UTF-8 validation option, must specify boolean values');
+	        }
+	        validationSetting = utf8ValidationValues[0];
+	        // Ensures boolean uniformity in utf-8 validation (all true or all false)
+	        if (!utf8ValidationValues.every(function (item) { return item === validationSetting; })) {
+	            throw new BSONError('Invalid UTF-8 validation option - keys must be all true or all false');
+	        }
+	    }
+	    // Add keys to set that will either be validated or not based on validationSetting
+	    if (!globalUTFValidation) {
+	        for (var _i = 0, _a = Object.keys(utf8ValidatedKeys); _i < _a.length; _i++) {
+	            var key = _a[_i];
+	            utf8KeysSet.add(key);
+	        }
+	    }
+	    // Set the start index
+	    var startIndex = index;
+	    // Validate that we have at least 4 bytes of buffer
+	    if (buffer.length < 5)
+	        throw new BSONError('corrupt bson message < 5 bytes long');
+	    // Read the document size
+	    var size = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+	    // Ensure buffer is valid size
+	    if (size < 5 || size > buffer.length)
+	        throw new BSONError('corrupt bson message');
+	    // Create holding object
+	    var object = isArray ? [] : {};
+	    // Used for arrays to skip having to perform utf8 decoding
+	    var arrayIndex = 0;
+	    var done = false;
+	    var isPossibleDBRef = isArray ? false : null;
+	    // While we have more left data left keep parsing
+	    var dataview = new DataView(buffer.buffer, buffer.byteOffset, buffer.byteLength);
+	    while (!done) {
+	        // Read the type
+	        var elementType = buffer[index++];
+	        // If we get a zero it's the last byte, exit
+	        if (elementType === 0)
+	            break;
+	        // Get the start search index
+	        var i = index;
+	        // Locate the end of the c string
+	        while (buffer[i] !== 0x00 && i < buffer.length) {
+	            i++;
+	        }
+	        // If are at the end of the buffer there is a problem with the document
+	        if (i >= buffer.byteLength)
+	            throw new BSONError('Bad BSON Document: illegal CString');
+	        // Represents the key
+	        var name = isArray ? arrayIndex++ : buffer.toString('utf8', index, i);
+	        // shouldValidateKey is true if the key should be validated, false otherwise
+	        var shouldValidateKey = true;
+	        if (globalUTFValidation || utf8KeysSet.has(name)) {
+	            shouldValidateKey = validationSetting;
+	        }
+	        else {
+	            shouldValidateKey = !validationSetting;
+	        }
+	        if (isPossibleDBRef !== false && name[0] === '$') {
+	            isPossibleDBRef = allowedDBRefKeys.test(name);
+	        }
+	        var value = void 0;
+	        index = i + 1;
+	        if (elementType === BSON_DATA_STRING) {
+	            var stringSize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            if (stringSize <= 0 ||
+	                stringSize > buffer.length - index ||
+	                buffer[index + stringSize - 1] !== 0) {
+	                throw new BSONError('bad string length in bson');
+	            }
+	            value = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+	            index = index + stringSize;
+	        }
+	        else if (elementType === BSON_DATA_OID) {
+	            var oid = buffer_1.alloc(12);
+	            buffer.copy(oid, 0, index, index + 12);
+	            value = new ObjectId(oid);
+	            index = index + 12;
+	        }
+	        else if (elementType === BSON_DATA_INT && promoteValues === false) {
+	            value = new Int32(buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24));
+	        }
+	        else if (elementType === BSON_DATA_INT) {
+	            value =
+	                buffer[index++] |
+	                    (buffer[index++] << 8) |
+	                    (buffer[index++] << 16) |
+	                    (buffer[index++] << 24);
+	        }
+	        else if (elementType === BSON_DATA_NUMBER && promoteValues === false) {
+	            value = new Double(dataview.getFloat64(index, true));
+	            index = index + 8;
+	        }
+	        else if (elementType === BSON_DATA_NUMBER) {
+	            value = dataview.getFloat64(index, true);
+	            index = index + 8;
+	        }
+	        else if (elementType === BSON_DATA_DATE) {
+	            var lowBits = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            var highBits = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            value = new Date(new Long(lowBits, highBits).toNumber());
+	        }
+	        else if (elementType === BSON_DATA_BOOLEAN) {
+	            if (buffer[index] !== 0 && buffer[index] !== 1)
+	                throw new BSONError('illegal boolean type value');
+	            value = buffer[index++] === 1;
+	        }
+	        else if (elementType === BSON_DATA_OBJECT) {
+	            var _index = index;
+	            var objectSize = buffer[index] |
+	                (buffer[index + 1] << 8) |
+	                (buffer[index + 2] << 16) |
+	                (buffer[index + 3] << 24);
+	            if (objectSize <= 0 || objectSize > buffer.length - index)
+	                throw new BSONError('bad embedded document length in bson');
+	            // We have a raw value
+	            if (raw) {
+	                value = buffer.slice(index, index + objectSize);
+	            }
+	            else {
+	                var objectOptions = options;
+	                if (!globalUTFValidation) {
+	                    objectOptions = _assign(_assign({}, options), { validation: { utf8: shouldValidateKey } });
+	                }
+	                value = deserializeObject(buffer, _index, objectOptions, false);
+	            }
+	            index = index + objectSize;
+	        }
+	        else if (elementType === BSON_DATA_ARRAY) {
+	            var _index = index;
+	            var objectSize = buffer[index] |
+	                (buffer[index + 1] << 8) |
+	                (buffer[index + 2] << 16) |
+	                (buffer[index + 3] << 24);
+	            var arrayOptions = options;
+	            // Stop index
+	            var stopIndex = index + objectSize;
+	            // All elements of array to be returned as raw bson
+	            if (fieldsAsRaw && fieldsAsRaw[name]) {
+	                arrayOptions = {};
+	                for (var n in options) {
+	                    arrayOptions[n] = options[n];
+	                }
+	                arrayOptions['raw'] = true;
+	            }
+	            if (!globalUTFValidation) {
+	                arrayOptions = _assign(_assign({}, arrayOptions), { validation: { utf8: shouldValidateKey } });
+	            }
+	            value = deserializeObject(buffer, _index, arrayOptions, true);
+	            index = index + objectSize;
+	            if (buffer[index - 1] !== 0)
+	                throw new BSONError('invalid array terminator byte');
+	            if (index !== stopIndex)
+	                throw new BSONError('corrupted array bson');
+	        }
+	        else if (elementType === BSON_DATA_UNDEFINED) {
+	            value = undefined;
+	        }
+	        else if (elementType === BSON_DATA_NULL) {
+	            value = null;
+	        }
+	        else if (elementType === BSON_DATA_LONG) {
+	            // Unpack the low and high bits
+	            var lowBits = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            var highBits = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            var long = new Long(lowBits, highBits);
+	            // Promote the long if possible
+	            if (promoteLongs && promoteValues === true) {
+	                value =
+	                    long.lessThanOrEqual(JS_INT_MAX_LONG) && long.greaterThanOrEqual(JS_INT_MIN_LONG)
+	                        ? long.toNumber()
+	                        : long;
+	            }
+	            else {
+	                value = long;
+	            }
+	        }
+	        else if (elementType === BSON_DATA_DECIMAL128) {
+	            // Buffer to contain the decimal bytes
+	            var bytes = buffer_1.alloc(16);
+	            // Copy the next 16 bytes into the bytes buffer
+	            buffer.copy(bytes, 0, index, index + 16);
+	            // Update index
+	            index = index + 16;
+	            // Assign the new Decimal128 value
+	            var decimal128 = new Decimal128(bytes);
+	            // If we have an alternative mapper use that
+	            if ('toObject' in decimal128 && typeof decimal128.toObject === 'function') {
+	                value = decimal128.toObject();
+	            }
+	            else {
+	                value = decimal128;
+	            }
+	        }
+	        else if (elementType === BSON_DATA_BINARY) {
+	            var binarySize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            var totalBinarySize = binarySize;
+	            var subType = buffer[index++];
+	            // Did we have a negative binary size, throw
+	            if (binarySize < 0)
+	                throw new BSONError('Negative binary type element size found');
+	            // Is the length longer than the document
+	            if (binarySize > buffer.byteLength)
+	                throw new BSONError('Binary type size larger than document size');
+	            // Decode as raw Buffer object if options specifies it
+	            if (buffer['slice'] != null) {
+	                // If we have subtype 2 skip the 4 bytes for the size
+	                if (subType === Binary.SUBTYPE_BYTE_ARRAY) {
+	                    binarySize =
+	                        buffer[index++] |
+	                            (buffer[index++] << 8) |
+	                            (buffer[index++] << 16) |
+	                            (buffer[index++] << 24);
+	                    if (binarySize < 0)
+	                        throw new BSONError('Negative binary type element size found for subtype 0x02');
+	                    if (binarySize > totalBinarySize - 4)
+	                        throw new BSONError('Binary type with subtype 0x02 contains too long binary size');
+	                    if (binarySize < totalBinarySize - 4)
+	                        throw new BSONError('Binary type with subtype 0x02 contains too short binary size');
+	                }
+	                if (promoteBuffers && promoteValues) {
+	                    value = buffer.slice(index, index + binarySize);
+	                }
+	                else {
+	                    value = new Binary(buffer.slice(index, index + binarySize), subType);
+	                    if (subType === BSON_BINARY_SUBTYPE_UUID_NEW) {
+	                        value = value.toUUID();
+	                    }
+	                }
+	            }
+	            else {
+	                var _buffer = buffer_1.alloc(binarySize);
+	                // If we have subtype 2 skip the 4 bytes for the size
+	                if (subType === Binary.SUBTYPE_BYTE_ARRAY) {
+	                    binarySize =
+	                        buffer[index++] |
+	                            (buffer[index++] << 8) |
+	                            (buffer[index++] << 16) |
+	                            (buffer[index++] << 24);
+	                    if (binarySize < 0)
+	                        throw new BSONError('Negative binary type element size found for subtype 0x02');
+	                    if (binarySize > totalBinarySize - 4)
+	                        throw new BSONError('Binary type with subtype 0x02 contains too long binary size');
+	                    if (binarySize < totalBinarySize - 4)
+	                        throw new BSONError('Binary type with subtype 0x02 contains too short binary size');
+	                }
+	                // Copy the data
+	                for (i = 0; i < binarySize; i++) {
+	                    _buffer[i] = buffer[index + i];
+	                }
+	                if (promoteBuffers && promoteValues) {
+	                    value = _buffer;
+	                }
+	                else if (subType === BSON_BINARY_SUBTYPE_UUID_NEW) {
+	                    value = new Binary(buffer.slice(index, index + binarySize), subType).toUUID();
+	                }
+	                else {
+	                    value = new Binary(buffer.slice(index, index + binarySize), subType);
+	                }
+	            }
+	            // Update the index
+	            index = index + binarySize;
+	        }
+	        else if (elementType === BSON_DATA_REGEXP && bsonRegExp === false) {
+	            // Get the start search index
+	            i = index;
+	            // Locate the end of the c string
+	            while (buffer[i] !== 0x00 && i < buffer.length) {
+	                i++;
+	            }
+	            // If are at the end of the buffer there is a problem with the document
+	            if (i >= buffer.length)
+	                throw new BSONError('Bad BSON Document: illegal CString');
+	            // Return the C string
+	            var source = buffer.toString('utf8', index, i);
+	            // Create the regexp
+	            index = i + 1;
+	            // Get the start search index
+	            i = index;
+	            // Locate the end of the c string
+	            while (buffer[i] !== 0x00 && i < buffer.length) {
+	                i++;
+	            }
+	            // If are at the end of the buffer there is a problem with the document
+	            if (i >= buffer.length)
+	                throw new BSONError('Bad BSON Document: illegal CString');
+	            // Return the C string
+	            var regExpOptions = buffer.toString('utf8', index, i);
+	            index = i + 1;
+	            // For each option add the corresponding one for javascript
+	            var optionsArray = new Array(regExpOptions.length);
+	            // Parse options
+	            for (i = 0; i < regExpOptions.length; i++) {
+	                switch (regExpOptions[i]) {
+	                    case 'm':
+	                        optionsArray[i] = 'm';
+	                        break;
+	                    case 's':
+	                        optionsArray[i] = 'g';
+	                        break;
+	                    case 'i':
+	                        optionsArray[i] = 'i';
+	                        break;
+	                }
+	            }
+	            value = new RegExp(source, optionsArray.join(''));
+	        }
+	        else if (elementType === BSON_DATA_REGEXP && bsonRegExp === true) {
+	            // Get the start search index
+	            i = index;
+	            // Locate the end of the c string
+	            while (buffer[i] !== 0x00 && i < buffer.length) {
+	                i++;
+	            }
+	            // If are at the end of the buffer there is a problem with the document
+	            if (i >= buffer.length)
+	                throw new BSONError('Bad BSON Document: illegal CString');
+	            // Return the C string
+	            var source = buffer.toString('utf8', index, i);
+	            index = i + 1;
+	            // Get the start search index
+	            i = index;
+	            // Locate the end of the c string
+	            while (buffer[i] !== 0x00 && i < buffer.length) {
+	                i++;
+	            }
+	            // If are at the end of the buffer there is a problem with the document
+	            if (i >= buffer.length)
+	                throw new BSONError('Bad BSON Document: illegal CString');
+	            // Return the C string
+	            var regExpOptions = buffer.toString('utf8', index, i);
+	            index = i + 1;
+	            // Set the object
+	            value = new BSONRegExp(source, regExpOptions);
+	        }
+	        else if (elementType === BSON_DATA_SYMBOL) {
+	            var stringSize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            if (stringSize <= 0 ||
+	                stringSize > buffer.length - index ||
+	                buffer[index + stringSize - 1] !== 0) {
+	                throw new BSONError('bad string length in bson');
+	            }
+	            var symbol = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+	            value = promoteValues ? symbol : new BSONSymbol(symbol);
+	            index = index + stringSize;
+	        }
+	        else if (elementType === BSON_DATA_TIMESTAMP) {
+	            var lowBits = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            var highBits = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            value = new Timestamp(lowBits, highBits);
+	        }
+	        else if (elementType === BSON_DATA_MIN_KEY) {
+	            value = new MinKey();
+	        }
+	        else if (elementType === BSON_DATA_MAX_KEY) {
+	            value = new MaxKey();
+	        }
+	        else if (elementType === BSON_DATA_CODE) {
+	            var stringSize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            if (stringSize <= 0 ||
+	                stringSize > buffer.length - index ||
+	                buffer[index + stringSize - 1] !== 0) {
+	                throw new BSONError('bad string length in bson');
+	            }
+	            var functionString = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+	            // If we are evaluating the functions
+	            if (evalFunctions) {
+	                // If we have cache enabled let's look for the md5 of the function in the cache
+	                if (cacheFunctions) {
+	                    // Got to do this to avoid V8 deoptimizing the call due to finding eval
+	                    value = isolateEval(functionString, functionCache, object);
+	                }
+	                else {
+	                    value = isolateEval(functionString);
+	                }
+	            }
+	            else {
+	                value = new Code(functionString);
+	            }
+	            // Update parse index position
+	            index = index + stringSize;
+	        }
+	        else if (elementType === BSON_DATA_CODE_W_SCOPE) {
+	            var totalSize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            // Element cannot be shorter than totalSize + stringSize + documentSize + terminator
+	            if (totalSize < 4 + 4 + 4 + 1) {
+	                throw new BSONError('code_w_scope total size shorter minimum expected length');
+	            }
+	            // Get the code string size
+	            var stringSize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            // Check if we have a valid string
+	            if (stringSize <= 0 ||
+	                stringSize > buffer.length - index ||
+	                buffer[index + stringSize - 1] !== 0) {
+	                throw new BSONError('bad string length in bson');
+	            }
+	            // Javascript function
+	            var functionString = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+	            // Update parse index position
+	            index = index + stringSize;
+	            // Parse the element
+	            var _index = index;
+	            // Decode the size of the object document
+	            var objectSize = buffer[index] |
+	                (buffer[index + 1] << 8) |
+	                (buffer[index + 2] << 16) |
+	                (buffer[index + 3] << 24);
+	            // Decode the scope object
+	            var scopeObject = deserializeObject(buffer, _index, options, false);
+	            // Adjust the index
+	            index = index + objectSize;
+	            // Check if field length is too short
+	            if (totalSize < 4 + 4 + objectSize + stringSize) {
+	                throw new BSONError('code_w_scope total size is too short, truncating scope');
+	            }
+	            // Check if totalSize field is too long
+	            if (totalSize > 4 + 4 + objectSize + stringSize) {
+	                throw new BSONError('code_w_scope total size is too long, clips outer document');
+	            }
+	            // If we are evaluating the functions
+	            if (evalFunctions) {
+	                // If we have cache enabled let's look for the md5 of the function in the cache
+	                if (cacheFunctions) {
+	                    // Got to do this to avoid V8 deoptimizing the call due to finding eval
+	                    value = isolateEval(functionString, functionCache, object);
+	                }
+	                else {
+	                    value = isolateEval(functionString);
+	                }
+	                value.scope = scopeObject;
+	            }
+	            else {
+	                value = new Code(functionString, scopeObject);
+	            }
+	        }
+	        else if (elementType === BSON_DATA_DBPOINTER) {
+	            // Get the code string size
+	            var stringSize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            // Check if we have a valid string
+	            if (stringSize <= 0 ||
+	                stringSize > buffer.length - index ||
+	                buffer[index + stringSize - 1] !== 0)
+	                throw new BSONError('bad string length in bson');
+	            // Namespace
+	            if (validation != null && validation.utf8) {
+	                if (!validateUtf8(buffer, index, index + stringSize - 1)) {
+	                    throw new BSONError('Invalid UTF-8 string in BSON document');
+	                }
+	            }
+	            var namespace = buffer.toString('utf8', index, index + stringSize - 1);
+	            // Update parse index position
+	            index = index + stringSize;
+	            // Read the oid
+	            var oidBuffer = buffer_1.alloc(12);
+	            buffer.copy(oidBuffer, 0, index, index + 12);
+	            var oid = new ObjectId(oidBuffer);
+	            // Update the index
+	            index = index + 12;
+	            // Upgrade to DBRef type
+	            value = new DBRef(namespace, oid);
+	        }
+	        else {
+	            throw new BSONError("Detected unknown BSON type ".concat(elementType.toString(16), " for fieldname \"").concat(name, "\""));
+	        }
+	        if (name === '__proto__') {
+	            Object.defineProperty(object, name, {
+	                value: value,
+	                writable: true,
+	                enumerable: true,
+	                configurable: true
+	            });
+	        }
+	        else {
+	            object[name] = value;
+	        }
+	    }
+	    // Check if the deserialization was against a valid array/object
+	    if (size !== index - startIndex) {
+	        if (isArray)
+	            throw new BSONError('corrupt array bson');
+	        throw new BSONError('corrupt object bson');
+	    }
+	    // if we did not find "$ref", "$id", "$db", or found an extraneous $key, don't make a DBRef
+	    if (!isPossibleDBRef)
+	        return object;
+	    if (isDBRefLike(object)) {
+	        var copy = Object.assign({}, object);
+	        delete copy.$ref;
+	        delete copy.$id;
+	        delete copy.$db;
+	        return new DBRef(object.$ref, object.$id, object.$db, copy);
+	    }
+	    return object;
+	}
+	/**
+	 * Ensure eval is isolated, store the result in functionCache.
+	 *
+	 * @internal
+	 */
+	function isolateEval(functionString, functionCache, object) {
+	    // eslint-disable-next-line @typescript-eslint/no-implied-eval
+	    if (!functionCache)
+	        return new Function(functionString);
+	    // Check for cache hit, eval if missing and return cached function
+	    if (functionCache[functionString] == null) {
+	        // eslint-disable-next-line @typescript-eslint/no-implied-eval
+	        functionCache[functionString] = new Function(functionString);
+	    }
+	    // Set the object
+	    return functionCache[functionString].bind(object);
+	}
+	function getValidatedString(buffer, start, end, shouldValidateUtf8) {
+	    var value = buffer.toString('utf8', start, end);
+	    // if utf8 validation is on, do the check
+	    if (shouldValidateUtf8) {
+	        for (var i = 0; i < value.length; i++) {
+	            if (value.charCodeAt(i) === 0xfffd) {
+	                if (!validateUtf8(buffer, start, end)) {
+	                    throw new BSONError('Invalid UTF-8 string in BSON document');
+	                }
+	                break;
+	            }
+	        }
+	    }
+	    return value;
+	}
+
+	var regexp = /\x00/; // eslint-disable-line no-control-regex
+	var ignoreKeys = new Set(['$db', '$ref', '$id', '$clusterTime']);
+	/*
+	 * isArray indicates if we are writing to a BSON array (type 0x04)
+	 * which forces the "key" which really an array index as a string to be written as ascii
+	 * This will catch any errors in index as a string generation
+	 */
+	function serializeString(buffer, key, value, index, isArray) {
+	    // Encode String type
+	    buffer[index++] = BSON_DATA_STRING;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes + 1;
+	    buffer[index - 1] = 0;
+	    // Write the string
+	    var size = buffer.write(value, index + 4, undefined, 'utf8');
+	    // Write the size of the string to buffer
+	    buffer[index + 3] = ((size + 1) >> 24) & 0xff;
+	    buffer[index + 2] = ((size + 1) >> 16) & 0xff;
+	    buffer[index + 1] = ((size + 1) >> 8) & 0xff;
+	    buffer[index] = (size + 1) & 0xff;
+	    // Update index
+	    index = index + 4 + size;
+	    // Write zero
+	    buffer[index++] = 0;
+	    return index;
+	}
+	var SPACE_FOR_FLOAT64 = new Uint8Array(8);
+	var DV_FOR_FLOAT64 = new DataView(SPACE_FOR_FLOAT64.buffer, SPACE_FOR_FLOAT64.byteOffset, SPACE_FOR_FLOAT64.byteLength);
+	function serializeNumber(buffer, key, value, index, isArray) {
+	    // We have an integer value
+	    // TODO(NODE-2529): Add support for big int
+	    if (Number.isInteger(value) &&
+	        value >= BSON_INT32_MIN$1 &&
+	        value <= BSON_INT32_MAX$1) {
+	        // If the value fits in 32 bits encode as int32
+	        // Set int type 32 bits or less
+	        buffer[index++] = BSON_DATA_INT;
+	        // Number of written bytes
+	        var numberOfWrittenBytes = !isArray
+	            ? buffer.write(key, index, undefined, 'utf8')
+	            : buffer.write(key, index, undefined, 'ascii');
+	        // Encode the name
+	        index = index + numberOfWrittenBytes;
+	        buffer[index++] = 0;
+	        // Write the int value
+	        buffer[index++] = value & 0xff;
+	        buffer[index++] = (value >> 8) & 0xff;
+	        buffer[index++] = (value >> 16) & 0xff;
+	        buffer[index++] = (value >> 24) & 0xff;
+	    }
+	    else {
+	        // Encode as double
+	        buffer[index++] = BSON_DATA_NUMBER;
+	        // Number of written bytes
+	        var numberOfWrittenBytes = !isArray
+	            ? buffer.write(key, index, undefined, 'utf8')
+	            : buffer.write(key, index, undefined, 'ascii');
+	        // Encode the name
+	        index = index + numberOfWrittenBytes;
+	        buffer[index++] = 0;
+	        // Write float
+	        DV_FOR_FLOAT64.setFloat64(0, value, true);
+	        buffer.set(SPACE_FOR_FLOAT64, index);
+	        // Adjust index
+	        index = index + 8;
+	    }
+	    return index;
+	}
+	function serializeNull(buffer, key, _, index, isArray) {
+	    // Set long type
+	    buffer[index++] = BSON_DATA_NULL;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    return index;
+	}
+	function serializeBoolean(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_BOOLEAN;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Encode the boolean value
+	    buffer[index++] = value ? 1 : 0;
+	    return index;
+	}
+	function serializeDate(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_DATE;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write the date
+	    var dateInMilis = Long.fromNumber(value.getTime());
+	    var lowBits = dateInMilis.getLowBits();
+	    var highBits = dateInMilis.getHighBits();
+	    // Encode low bits
+	    buffer[index++] = lowBits & 0xff;
+	    buffer[index++] = (lowBits >> 8) & 0xff;
+	    buffer[index++] = (lowBits >> 16) & 0xff;
+	    buffer[index++] = (lowBits >> 24) & 0xff;
+	    // Encode high bits
+	    buffer[index++] = highBits & 0xff;
+	    buffer[index++] = (highBits >> 8) & 0xff;
+	    buffer[index++] = (highBits >> 16) & 0xff;
+	    buffer[index++] = (highBits >> 24) & 0xff;
+	    return index;
+	}
+	function serializeRegExp(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_REGEXP;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    if (value.source && value.source.match(regexp) != null) {
+	        throw Error('value ' + value.source + ' must not contain null bytes');
+	    }
+	    // Adjust the index
+	    index = index + buffer.write(value.source, index, undefined, 'utf8');
+	    // Write zero
+	    buffer[index++] = 0x00;
+	    // Write the parameters
+	    if (value.ignoreCase)
+	        buffer[index++] = 0x69; // i
+	    if (value.global)
+	        buffer[index++] = 0x73; // s
+	    if (value.multiline)
+	        buffer[index++] = 0x6d; // m
+	    // Add ending zero
+	    buffer[index++] = 0x00;
+	    return index;
+	}
+	function serializeBSONRegExp(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_REGEXP;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Check the pattern for 0 bytes
+	    if (value.pattern.match(regexp) != null) {
+	        // The BSON spec doesn't allow keys with null bytes because keys are
+	        // null-terminated.
+	        throw Error('pattern ' + value.pattern + ' must not contain null bytes');
+	    }
+	    // Adjust the index
+	    index = index + buffer.write(value.pattern, index, undefined, 'utf8');
+	    // Write zero
+	    buffer[index++] = 0x00;
+	    // Write the options
+	    index = index + buffer.write(value.options.split('').sort().join(''), index, undefined, 'utf8');
+	    // Add ending zero
+	    buffer[index++] = 0x00;
+	    return index;
+	}
+	function serializeMinMax(buffer, key, value, index, isArray) {
+	    // Write the type of either min or max key
+	    if (value === null) {
+	        buffer[index++] = BSON_DATA_NULL;
+	    }
+	    else if (value._bsontype === 'MinKey') {
+	        buffer[index++] = BSON_DATA_MIN_KEY;
+	    }
+	    else {
+	        buffer[index++] = BSON_DATA_MAX_KEY;
+	    }
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    return index;
+	}
+	function serializeObjectId(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_OID;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write the objectId into the shared buffer
+	    if (typeof value.id === 'string') {
+	        buffer.write(value.id, index, undefined, 'binary');
+	    }
+	    else if (isUint8Array(value.id)) {
+	        // Use the standard JS methods here because buffer.copy() is buggy with the
+	        // browser polyfill
+	        buffer.set(value.id.subarray(0, 12), index);
+	    }
+	    else {
+	        throw new BSONTypeError('object [' + JSON.stringify(value) + '] is not a valid ObjectId');
+	    }
+	    // Adjust index
+	    return index + 12;
+	}
+	function serializeBuffer(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_BINARY;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Get size of the buffer (current write point)
+	    var size = value.length;
+	    // Write the size of the string to buffer
+	    buffer[index++] = size & 0xff;
+	    buffer[index++] = (size >> 8) & 0xff;
+	    buffer[index++] = (size >> 16) & 0xff;
+	    buffer[index++] = (size >> 24) & 0xff;
+	    // Write the default subtype
+	    buffer[index++] = BSON_BINARY_SUBTYPE_DEFAULT;
+	    // Copy the content form the binary field to the buffer
+	    buffer.set(ensureBuffer(value), index);
+	    // Adjust the index
+	    index = index + size;
+	    return index;
+	}
+	function serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, isArray, path) {
+	    if (checkKeys === void 0) { checkKeys = false; }
+	    if (depth === void 0) { depth = 0; }
+	    if (serializeFunctions === void 0) { serializeFunctions = false; }
+	    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+	    if (isArray === void 0) { isArray = false; }
+	    if (path === void 0) { path = []; }
+	    for (var i = 0; i < path.length; i++) {
+	        if (path[i] === value)
+	            throw new BSONError('cyclic dependency detected');
+	    }
+	    // Push value to stack
+	    path.push(value);
+	    // Write the type
+	    buffer[index++] = Array.isArray(value) ? BSON_DATA_ARRAY : BSON_DATA_OBJECT;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    var endIndex = serializeInto(buffer, value, checkKeys, index, depth + 1, serializeFunctions, ignoreUndefined, path);
+	    // Pop stack
+	    path.pop();
+	    return endIndex;
+	}
+	function serializeDecimal128(buffer, key, value, index, isArray) {
+	    buffer[index++] = BSON_DATA_DECIMAL128;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write the data from the value
+	    // Prefer the standard JS methods because their typechecking is not buggy,
+	    // unlike the `buffer` polyfill's.
+	    buffer.set(value.bytes.subarray(0, 16), index);
+	    return index + 16;
+	}
+	function serializeLong(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] =
+	        value._bsontype === 'Long' ? BSON_DATA_LONG : BSON_DATA_TIMESTAMP;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write the date
+	    var lowBits = value.getLowBits();
+	    var highBits = value.getHighBits();
+	    // Encode low bits
+	    buffer[index++] = lowBits & 0xff;
+	    buffer[index++] = (lowBits >> 8) & 0xff;
+	    buffer[index++] = (lowBits >> 16) & 0xff;
+	    buffer[index++] = (lowBits >> 24) & 0xff;
+	    // Encode high bits
+	    buffer[index++] = highBits & 0xff;
+	    buffer[index++] = (highBits >> 8) & 0xff;
+	    buffer[index++] = (highBits >> 16) & 0xff;
+	    buffer[index++] = (highBits >> 24) & 0xff;
+	    return index;
+	}
+	function serializeInt32(buffer, key, value, index, isArray) {
+	    value = value.valueOf();
+	    // Set int type 32 bits or less
+	    buffer[index++] = BSON_DATA_INT;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write the int value
+	    buffer[index++] = value & 0xff;
+	    buffer[index++] = (value >> 8) & 0xff;
+	    buffer[index++] = (value >> 16) & 0xff;
+	    buffer[index++] = (value >> 24) & 0xff;
+	    return index;
+	}
+	function serializeDouble(buffer, key, value, index, isArray) {
+	    // Encode as double
+	    buffer[index++] = BSON_DATA_NUMBER;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write float
+	    DV_FOR_FLOAT64.setFloat64(0, value.value, true);
+	    buffer.set(SPACE_FOR_FLOAT64, index);
+	    // Adjust index
+	    index = index + 8;
+	    return index;
+	}
+	function serializeFunction(buffer, key, value, index, _checkKeys, _depth, isArray) {
+	    buffer[index++] = BSON_DATA_CODE;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Function string
+	    var functionString = normalizedFunctionString(value);
+	    // Write the string
+	    var size = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+	    // Write the size of the string to buffer
+	    buffer[index] = size & 0xff;
+	    buffer[index + 1] = (size >> 8) & 0xff;
+	    buffer[index + 2] = (size >> 16) & 0xff;
+	    buffer[index + 3] = (size >> 24) & 0xff;
+	    // Update index
+	    index = index + 4 + size - 1;
+	    // Write zero
+	    buffer[index++] = 0;
+	    return index;
+	}
+	function serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, isArray) {
+	    if (checkKeys === void 0) { checkKeys = false; }
+	    if (depth === void 0) { depth = 0; }
+	    if (serializeFunctions === void 0) { serializeFunctions = false; }
+	    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+	    if (isArray === void 0) { isArray = false; }
+	    if (value.scope && typeof value.scope === 'object') {
+	        // Write the type
+	        buffer[index++] = BSON_DATA_CODE_W_SCOPE;
+	        // Number of written bytes
+	        var numberOfWrittenBytes = !isArray
+	            ? buffer.write(key, index, undefined, 'utf8')
+	            : buffer.write(key, index, undefined, 'ascii');
+	        // Encode the name
+	        index = index + numberOfWrittenBytes;
+	        buffer[index++] = 0;
+	        // Starting index
+	        var startIndex = index;
+	        // Serialize the function
+	        // Get the function string
+	        var functionString = typeof value.code === 'string' ? value.code : value.code.toString();
+	        // Index adjustment
+	        index = index + 4;
+	        // Write string into buffer
+	        var codeSize = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+	        // Write the size of the string to buffer
+	        buffer[index] = codeSize & 0xff;
+	        buffer[index + 1] = (codeSize >> 8) & 0xff;
+	        buffer[index + 2] = (codeSize >> 16) & 0xff;
+	        buffer[index + 3] = (codeSize >> 24) & 0xff;
+	        // Write end 0
+	        buffer[index + 4 + codeSize - 1] = 0;
+	        // Write the
+	        index = index + codeSize + 4;
+	        //
+	        // Serialize the scope value
+	        var endIndex = serializeInto(buffer, value.scope, checkKeys, index, depth + 1, serializeFunctions, ignoreUndefined);
+	        index = endIndex - 1;
+	        // Writ the total
+	        var totalSize = endIndex - startIndex;
+	        // Write the total size of the object
+	        buffer[startIndex++] = totalSize & 0xff;
+	        buffer[startIndex++] = (totalSize >> 8) & 0xff;
+	        buffer[startIndex++] = (totalSize >> 16) & 0xff;
+	        buffer[startIndex++] = (totalSize >> 24) & 0xff;
+	        // Write trailing zero
+	        buffer[index++] = 0;
+	    }
+	    else {
+	        buffer[index++] = BSON_DATA_CODE;
+	        // Number of written bytes
+	        var numberOfWrittenBytes = !isArray
+	            ? buffer.write(key, index, undefined, 'utf8')
+	            : buffer.write(key, index, undefined, 'ascii');
+	        // Encode the name
+	        index = index + numberOfWrittenBytes;
+	        buffer[index++] = 0;
+	        // Function string
+	        var functionString = value.code.toString();
+	        // Write the string
+	        var size = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+	        // Write the size of the string to buffer
+	        buffer[index] = size & 0xff;
+	        buffer[index + 1] = (size >> 8) & 0xff;
+	        buffer[index + 2] = (size >> 16) & 0xff;
+	        buffer[index + 3] = (size >> 24) & 0xff;
+	        // Update index
+	        index = index + 4 + size - 1;
+	        // Write zero
+	        buffer[index++] = 0;
+	    }
+	    return index;
+	}
+	function serializeBinary(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_BINARY;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Extract the buffer
+	    var data = value.value(true);
+	    // Calculate size
+	    var size = value.position;
+	    // Add the deprecated 02 type 4 bytes of size to total
+	    if (value.sub_type === Binary.SUBTYPE_BYTE_ARRAY)
+	        size = size + 4;
+	    // Write the size of the string to buffer
+	    buffer[index++] = size & 0xff;
+	    buffer[index++] = (size >> 8) & 0xff;
+	    buffer[index++] = (size >> 16) & 0xff;
+	    buffer[index++] = (size >> 24) & 0xff;
+	    // Write the subtype to the buffer
+	    buffer[index++] = value.sub_type;
+	    // If we have binary type 2 the 4 first bytes are the size
+	    if (value.sub_type === Binary.SUBTYPE_BYTE_ARRAY) {
+	        size = size - 4;
+	        buffer[index++] = size & 0xff;
+	        buffer[index++] = (size >> 8) & 0xff;
+	        buffer[index++] = (size >> 16) & 0xff;
+	        buffer[index++] = (size >> 24) & 0xff;
+	    }
+	    // Write the data to the object
+	    buffer.set(data, index);
+	    // Adjust the index
+	    index = index + value.position;
+	    return index;
+	}
+	function serializeSymbol(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_SYMBOL;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write the string
+	    var size = buffer.write(value.value, index + 4, undefined, 'utf8') + 1;
+	    // Write the size of the string to buffer
+	    buffer[index] = size & 0xff;
+	    buffer[index + 1] = (size >> 8) & 0xff;
+	    buffer[index + 2] = (size >> 16) & 0xff;
+	    buffer[index + 3] = (size >> 24) & 0xff;
+	    // Update index
+	    index = index + 4 + size - 1;
+	    // Write zero
+	    buffer[index++] = 0x00;
+	    return index;
+	}
+	function serializeDBRef(buffer, key, value, index, depth, serializeFunctions, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_OBJECT;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    var startIndex = index;
+	    var output = {
+	        $ref: value.collection || value.namespace,
+	        $id: value.oid
+	    };
+	    if (value.db != null) {
+	        output.$db = value.db;
+	    }
+	    output = Object.assign(output, value.fields);
+	    var endIndex = serializeInto(buffer, output, false, index, depth + 1, serializeFunctions);
+	    // Calculate object size
+	    var size = endIndex - startIndex;
+	    // Write the size
+	    buffer[startIndex++] = size & 0xff;
+	    buffer[startIndex++] = (size >> 8) & 0xff;
+	    buffer[startIndex++] = (size >> 16) & 0xff;
+	    buffer[startIndex++] = (size >> 24) & 0xff;
+	    // Set index
+	    return endIndex;
+	}
+	function serializeInto(buffer, object, checkKeys, startingIndex, depth, serializeFunctions, ignoreUndefined, path) {
+	    if (checkKeys === void 0) { checkKeys = false; }
+	    if (startingIndex === void 0) { startingIndex = 0; }
+	    if (depth === void 0) { depth = 0; }
+	    if (serializeFunctions === void 0) { serializeFunctions = false; }
+	    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+	    if (path === void 0) { path = []; }
+	    startingIndex = startingIndex || 0;
+	    path = path || [];
+	    // Push the object to the path
+	    path.push(object);
+	    // Start place to serialize into
+	    var index = startingIndex + 4;
+	    // Special case isArray
+	    if (Array.isArray(object)) {
+	        // Get object keys
+	        for (var i = 0; i < object.length; i++) {
+	            var key = "".concat(i);
+	            var value = object[i];
+	            // Is there an override value
+	            if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+	                value = value.toBSON();
+	            }
+	            if (typeof value === 'string') {
+	                index = serializeString(buffer, key, value, index, true);
+	            }
+	            else if (typeof value === 'number') {
+	                index = serializeNumber(buffer, key, value, index, true);
+	            }
+	            else if (typeof value === 'bigint') {
+	                throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+	            }
+	            else if (typeof value === 'boolean') {
+	                index = serializeBoolean(buffer, key, value, index, true);
+	            }
+	            else if (value instanceof Date || isDate(value)) {
+	                index = serializeDate(buffer, key, value, index, true);
+	            }
+	            else if (value === undefined) {
+	                index = serializeNull(buffer, key, value, index, true);
+	            }
+	            else if (value === null) {
+	                index = serializeNull(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+	                index = serializeObjectId(buffer, key, value, index, true);
+	            }
+	            else if (isUint8Array(value)) {
+	                index = serializeBuffer(buffer, key, value, index, true);
+	            }
+	            else if (value instanceof RegExp || isRegExp(value)) {
+	                index = serializeRegExp(buffer, key, value, index, true);
+	            }
+	            else if (typeof value === 'object' && value['_bsontype'] == null) {
+	                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, true, path);
+	            }
+	            else if (typeof value === 'object' &&
+	                isBSONType(value) &&
+	                value._bsontype === 'Decimal128') {
+	                index = serializeDecimal128(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+	                index = serializeLong(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'Double') {
+	                index = serializeDouble(buffer, key, value, index, true);
+	            }
+	            else if (typeof value === 'function' && serializeFunctions) {
+	                index = serializeFunction(buffer, key, value, index, checkKeys, depth, true);
+	            }
+	            else if (value['_bsontype'] === 'Code') {
+	                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, true);
+	            }
+	            else if (value['_bsontype'] === 'Binary') {
+	                index = serializeBinary(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'Symbol') {
+	                index = serializeSymbol(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'DBRef') {
+	                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions, true);
+	            }
+	            else if (value['_bsontype'] === 'BSONRegExp') {
+	                index = serializeBSONRegExp(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'Int32') {
+	                index = serializeInt32(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+	                index = serializeMinMax(buffer, key, value, index, true);
+	            }
+	            else if (typeof value['_bsontype'] !== 'undefined') {
+	                throw new BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+	            }
+	        }
+	    }
+	    else if (object instanceof exports.Map || isMap(object)) {
+	        var iterator = object.entries();
+	        var done = false;
+	        while (!done) {
+	            // Unpack the next entry
+	            var entry = iterator.next();
+	            done = !!entry.done;
+	            // Are we done, then skip and terminate
+	            if (done)
+	                continue;
+	            // Get the entry values
+	            var key = entry.value[0];
+	            var value = entry.value[1];
+	            // Check the type of the value
+	            var type = typeof value;
+	            // Check the key and throw error if it's illegal
+	            if (typeof key === 'string' && !ignoreKeys.has(key)) {
+	                if (key.match(regexp) != null) {
+	                    // The BSON spec doesn't allow keys with null bytes because keys are
+	                    // null-terminated.
+	                    throw Error('key ' + key + ' must not contain null bytes');
+	                }
+	                if (checkKeys) {
+	                    if ('$' === key[0]) {
+	                        throw Error('key ' + key + " must not start with '$'");
+	                    }
+	                    else if (~key.indexOf('.')) {
+	                        throw Error('key ' + key + " must not contain '.'");
+	                    }
+	                }
+	            }
+	            if (type === 'string') {
+	                index = serializeString(buffer, key, value, index);
+	            }
+	            else if (type === 'number') {
+	                index = serializeNumber(buffer, key, value, index);
+	            }
+	            else if (type === 'bigint' || isBigInt64Array(value) || isBigUInt64Array(value)) {
+	                throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+	            }
+	            else if (type === 'boolean') {
+	                index = serializeBoolean(buffer, key, value, index);
+	            }
+	            else if (value instanceof Date || isDate(value)) {
+	                index = serializeDate(buffer, key, value, index);
+	            }
+	            else if (value === null || (value === undefined && ignoreUndefined === false)) {
+	                index = serializeNull(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+	                index = serializeObjectId(buffer, key, value, index);
+	            }
+	            else if (isUint8Array(value)) {
+	                index = serializeBuffer(buffer, key, value, index);
+	            }
+	            else if (value instanceof RegExp || isRegExp(value)) {
+	                index = serializeRegExp(buffer, key, value, index);
+	            }
+	            else if (type === 'object' && value['_bsontype'] == null) {
+	                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, false, path);
+	            }
+	            else if (type === 'object' && value['_bsontype'] === 'Decimal128') {
+	                index = serializeDecimal128(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+	                index = serializeLong(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Double') {
+	                index = serializeDouble(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Code') {
+	                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined);
+	            }
+	            else if (typeof value === 'function' && serializeFunctions) {
+	                index = serializeFunction(buffer, key, value, index, checkKeys, depth, serializeFunctions);
+	            }
+	            else if (value['_bsontype'] === 'Binary') {
+	                index = serializeBinary(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Symbol') {
+	                index = serializeSymbol(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'DBRef') {
+	                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions);
+	            }
+	            else if (value['_bsontype'] === 'BSONRegExp') {
+	                index = serializeBSONRegExp(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Int32') {
+	                index = serializeInt32(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+	                index = serializeMinMax(buffer, key, value, index);
+	            }
+	            else if (typeof value['_bsontype'] !== 'undefined') {
+	                throw new BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+	            }
+	        }
+	    }
+	    else {
+	        if (typeof (object === null || object === void 0 ? void 0 : object.toBSON) === 'function') {
+	            // Provided a custom serialization method
+	            object = object.toBSON();
+	            if (object != null && typeof object !== 'object') {
+	                throw new BSONTypeError('toBSON function did not return an object');
+	            }
+	        }
+	        // Iterate over all the keys
+	        for (var key in object) {
+	            var value = object[key];
+	            // Is there an override value
+	            if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+	                value = value.toBSON();
+	            }
+	            // Check the type of the value
+	            var type = typeof value;
+	            // Check the key and throw error if it's illegal
+	            if (typeof key === 'string' && !ignoreKeys.has(key)) {
+	                if (key.match(regexp) != null) {
+	                    // The BSON spec doesn't allow keys with null bytes because keys are
+	                    // null-terminated.
+	                    throw Error('key ' + key + ' must not contain null bytes');
+	                }
+	                if (checkKeys) {
+	                    if ('$' === key[0]) {
+	                        throw Error('key ' + key + " must not start with '$'");
+	                    }
+	                    else if (~key.indexOf('.')) {
+	                        throw Error('key ' + key + " must not contain '.'");
+	                    }
+	                }
+	            }
+	            if (type === 'string') {
+	                index = serializeString(buffer, key, value, index);
+	            }
+	            else if (type === 'number') {
+	                index = serializeNumber(buffer, key, value, index);
+	            }
+	            else if (type === 'bigint') {
+	                throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+	            }
+	            else if (type === 'boolean') {
+	                index = serializeBoolean(buffer, key, value, index);
+	            }
+	            else if (value instanceof Date || isDate(value)) {
+	                index = serializeDate(buffer, key, value, index);
+	            }
+	            else if (value === undefined) {
+	                if (ignoreUndefined === false)
+	                    index = serializeNull(buffer, key, value, index);
+	            }
+	            else if (value === null) {
+	                index = serializeNull(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+	                index = serializeObjectId(buffer, key, value, index);
+	            }
+	            else if (isUint8Array(value)) {
+	                index = serializeBuffer(buffer, key, value, index);
+	            }
+	            else if (value instanceof RegExp || isRegExp(value)) {
+	                index = serializeRegExp(buffer, key, value, index);
+	            }
+	            else if (type === 'object' && value['_bsontype'] == null) {
+	                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, false, path);
+	            }
+	            else if (type === 'object' && value['_bsontype'] === 'Decimal128') {
+	                index = serializeDecimal128(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+	                index = serializeLong(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Double') {
+	                index = serializeDouble(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Code') {
+	                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined);
+	            }
+	            else if (typeof value === 'function' && serializeFunctions) {
+	                index = serializeFunction(buffer, key, value, index, checkKeys, depth, serializeFunctions);
+	            }
+	            else if (value['_bsontype'] === 'Binary') {
+	                index = serializeBinary(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Symbol') {
+	                index = serializeSymbol(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'DBRef') {
+	                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions);
+	            }
+	            else if (value['_bsontype'] === 'BSONRegExp') {
+	                index = serializeBSONRegExp(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Int32') {
+	                index = serializeInt32(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+	                index = serializeMinMax(buffer, key, value, index);
+	            }
+	            else if (typeof value['_bsontype'] !== 'undefined') {
+	                throw new BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+	            }
+	        }
+	    }
+	    // Remove the path
+	    path.pop();
+	    // Final padding byte for object
+	    buffer[index++] = 0x00;
+	    // Final size
+	    var size = index - startingIndex;
+	    // Write the size of the object
+	    buffer[startingIndex++] = size & 0xff;
+	    buffer[startingIndex++] = (size >> 8) & 0xff;
+	    buffer[startingIndex++] = (size >> 16) & 0xff;
+	    buffer[startingIndex++] = (size >> 24) & 0xff;
+	    return index;
+	}
+
+	/** @internal */
+	// Default Max Size
+	var MAXSIZE = 1024 * 1024 * 17;
+	// Current Internal Temporary Serialization Buffer
+	var buffer = buffer_1.alloc(MAXSIZE);
+	/**
+	 * Sets the size of the internal serialization buffer.
+	 *
+	 * @param size - The desired size for the internal serialization buffer
+	 * @public
+	 */
+	function setInternalBufferSize(size) {
+	    // Resize the internal serialization buffer if needed
+	    if (buffer.length < size) {
+	        buffer = buffer_1.alloc(size);
+	    }
+	}
+	/**
+	 * Serialize a Javascript object.
+	 *
+	 * @param object - the Javascript object to serialize.
+	 * @returns Buffer object containing the serialized object.
+	 * @public
+	 */
+	function serialize(object, options) {
+	    if (options === void 0) { options = {}; }
+	    // Unpack the options
+	    var checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+	    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+	    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+	    var minInternalBufferSize = typeof options.minInternalBufferSize === 'number' ? options.minInternalBufferSize : MAXSIZE;
+	    // Resize the internal serialization buffer if needed
+	    if (buffer.length < minInternalBufferSize) {
+	        buffer = buffer_1.alloc(minInternalBufferSize);
+	    }
+	    // Attempt to serialize
+	    var serializationIndex = serializeInto(buffer, object, checkKeys, 0, 0, serializeFunctions, ignoreUndefined, []);
+	    // Create the final buffer
+	    var finishedBuffer = buffer_1.alloc(serializationIndex);
+	    // Copy into the finished buffer
+	    buffer.copy(finishedBuffer, 0, 0, finishedBuffer.length);
+	    // Return the buffer
+	    return finishedBuffer;
+	}
+	/**
+	 * Serialize a Javascript object using a predefined Buffer and index into the buffer,
+	 * useful when pre-allocating the space for serialization.
+	 *
+	 * @param object - the Javascript object to serialize.
+	 * @param finalBuffer - the Buffer you pre-allocated to store the serialized BSON object.
+	 * @returns the index pointing to the last written byte in the buffer.
+	 * @public
+	 */
+	function serializeWithBufferAndIndex(object, finalBuffer, options) {
+	    if (options === void 0) { options = {}; }
+	    // Unpack the options
+	    var checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+	    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+	    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+	    var startIndex = typeof options.index === 'number' ? options.index : 0;
+	    // Attempt to serialize
+	    var serializationIndex = serializeInto(buffer, object, checkKeys, 0, 0, serializeFunctions, ignoreUndefined);
+	    buffer.copy(finalBuffer, startIndex, 0, serializationIndex);
+	    // Return the index
+	    return startIndex + serializationIndex - 1;
+	}
+	/**
+	 * Deserialize data as BSON.
+	 *
+	 * @param buffer - the buffer containing the serialized set of BSON documents.
+	 * @returns returns the deserialized Javascript Object.
+	 * @public
+	 */
+	function deserialize(buffer, options) {
+	    if (options === void 0) { options = {}; }
+	    return deserialize$1(buffer instanceof buffer_1 ? buffer : ensureBuffer(buffer), options);
+	}
+	/**
+	 * Calculate the bson size for a passed in Javascript object.
+	 *
+	 * @param object - the Javascript object to calculate the BSON byte size for
+	 * @returns size of BSON object in bytes
+	 * @public
+	 */
+	function calculateObjectSize(object, options) {
+	    if (options === void 0) { options = {}; }
+	    options = options || {};
+	    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+	    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+	    return calculateObjectSize$1(object, serializeFunctions, ignoreUndefined);
+	}
+	/**
+	 * Deserialize stream data as BSON documents.
+	 *
+	 * @param data - the buffer containing the serialized set of BSON documents.
+	 * @param startIndex - the start index in the data Buffer where the deserialization is to start.
+	 * @param numberOfDocuments - number of documents to deserialize.
+	 * @param documents - an array where to store the deserialized documents.
+	 * @param docStartIndex - the index in the documents array from where to start inserting documents.
+	 * @param options - additional options used for the deserialization.
+	 * @returns next index in the buffer after deserialization **x** numbers of documents.
+	 * @public
+	 */
+	function deserializeStream(data, startIndex, numberOfDocuments, documents, docStartIndex, options) {
+	    var internalOptions = Object.assign({ allowObjectSmallerThanBufferSize: true, index: 0 }, options);
+	    var bufferData = ensureBuffer(data);
+	    var index = startIndex;
+	    // Loop over all documents
+	    for (var i = 0; i < numberOfDocuments; i++) {
+	        // Find size of the document
+	        var size = bufferData[index] |
+	            (bufferData[index + 1] << 8) |
+	            (bufferData[index + 2] << 16) |
+	            (bufferData[index + 3] << 24);
+	        // Update options with index
+	        internalOptions.index = index;
+	        // Parse the document at this point
+	        documents[docStartIndex + i] = deserialize$1(bufferData, internalOptions);
+	        // Adjust index by the document size
+	        index = index + size;
+	    }
+	    // Return object containing end index of parsing and list of documents
+	    return index;
+	}
+	/**
+	 * BSON default export
+	 * @deprecated Please use named exports
+	 * @privateRemarks
+	 * We want to someday deprecate the default export,
+	 * so none of the new TS types are being exported on the default
+	 * @public
+	 */
+	var BSON = {
+	    Binary: Binary,
+	    Code: Code,
+	    DBRef: DBRef,
+	    Decimal128: Decimal128,
+	    Double: Double,
+	    Int32: Int32,
+	    Long: Long,
+	    UUID: UUID,
+	    Map: exports.Map,
+	    MaxKey: MaxKey,
+	    MinKey: MinKey,
+	    ObjectId: ObjectId,
+	    ObjectID: ObjectId,
+	    BSONRegExp: BSONRegExp,
+	    BSONSymbol: BSONSymbol,
+	    Timestamp: Timestamp,
+	    EJSON: exports.EJSON,
+	    setInternalBufferSize: setInternalBufferSize,
+	    serialize: serialize,
+	    serializeWithBufferAndIndex: serializeWithBufferAndIndex,
+	    deserialize: deserialize,
+	    calculateObjectSize: calculateObjectSize,
+	    deserializeStream: deserializeStream,
+	    BSONError: BSONError,
+	    BSONTypeError: BSONTypeError
+	};
+
+	exports.BSONError = BSONError;
+	exports.BSONRegExp = BSONRegExp;
+	exports.BSONSymbol = BSONSymbol;
+	exports.BSONTypeError = BSONTypeError;
+	exports.BSON_BINARY_SUBTYPE_BYTE_ARRAY = BSON_BINARY_SUBTYPE_BYTE_ARRAY;
+	exports.BSON_BINARY_SUBTYPE_COLUMN = BSON_BINARY_SUBTYPE_COLUMN;
+	exports.BSON_BINARY_SUBTYPE_DEFAULT = BSON_BINARY_SUBTYPE_DEFAULT;
+	exports.BSON_BINARY_SUBTYPE_ENCRYPTED = BSON_BINARY_SUBTYPE_ENCRYPTED;
+	exports.BSON_BINARY_SUBTYPE_FUNCTION = BSON_BINARY_SUBTYPE_FUNCTION;
+	exports.BSON_BINARY_SUBTYPE_MD5 = BSON_BINARY_SUBTYPE_MD5;
+	exports.BSON_BINARY_SUBTYPE_USER_DEFINED = BSON_BINARY_SUBTYPE_USER_DEFINED;
+	exports.BSON_BINARY_SUBTYPE_UUID = BSON_BINARY_SUBTYPE_UUID;
+	exports.BSON_BINARY_SUBTYPE_UUID_NEW = BSON_BINARY_SUBTYPE_UUID_NEW;
+	exports.BSON_DATA_ARRAY = BSON_DATA_ARRAY;
+	exports.BSON_DATA_BINARY = BSON_DATA_BINARY;
+	exports.BSON_DATA_BOOLEAN = BSON_DATA_BOOLEAN;
+	exports.BSON_DATA_CODE = BSON_DATA_CODE;
+	exports.BSON_DATA_CODE_W_SCOPE = BSON_DATA_CODE_W_SCOPE;
+	exports.BSON_DATA_DATE = BSON_DATA_DATE;
+	exports.BSON_DATA_DBPOINTER = BSON_DATA_DBPOINTER;
+	exports.BSON_DATA_DECIMAL128 = BSON_DATA_DECIMAL128;
+	exports.BSON_DATA_INT = BSON_DATA_INT;
+	exports.BSON_DATA_LONG = BSON_DATA_LONG;
+	exports.BSON_DATA_MAX_KEY = BSON_DATA_MAX_KEY;
+	exports.BSON_DATA_MIN_KEY = BSON_DATA_MIN_KEY;
+	exports.BSON_DATA_NULL = BSON_DATA_NULL;
+	exports.BSON_DATA_NUMBER = BSON_DATA_NUMBER;
+	exports.BSON_DATA_OBJECT = BSON_DATA_OBJECT;
+	exports.BSON_DATA_OID = BSON_DATA_OID;
+	exports.BSON_DATA_REGEXP = BSON_DATA_REGEXP;
+	exports.BSON_DATA_STRING = BSON_DATA_STRING;
+	exports.BSON_DATA_SYMBOL = BSON_DATA_SYMBOL;
+	exports.BSON_DATA_TIMESTAMP = BSON_DATA_TIMESTAMP;
+	exports.BSON_DATA_UNDEFINED = BSON_DATA_UNDEFINED;
+	exports.BSON_INT32_MAX = BSON_INT32_MAX$1;
+	exports.BSON_INT32_MIN = BSON_INT32_MIN$1;
+	exports.BSON_INT64_MAX = BSON_INT64_MAX$1;
+	exports.BSON_INT64_MIN = BSON_INT64_MIN$1;
+	exports.Binary = Binary;
+	exports.Code = Code;
+	exports.DBRef = DBRef;
+	exports.Decimal128 = Decimal128;
+	exports.Double = Double;
+	exports.Int32 = Int32;
+	exports.Long = Long;
+	exports.LongWithoutOverridesClass = LongWithoutOverridesClass;
+	exports.MaxKey = MaxKey;
+	exports.MinKey = MinKey;
+	exports.ObjectID = ObjectId;
+	exports.ObjectId = ObjectId;
+	exports.Timestamp = Timestamp;
+	exports.UUID = UUID;
+	exports.calculateObjectSize = calculateObjectSize;
+	exports.default = BSON;
+	exports.deserialize = deserialize;
+	exports.deserializeStream = deserializeStream;
+	exports.serialize = serialize;
+	exports.serializeWithBufferAndIndex = serializeWithBufferAndIndex;
+	exports.setInternalBufferSize = setInternalBufferSize;
+
+	Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
+//# sourceMappingURL=bson.browser.umd.js.map
diff --git a/node_modules/bson/dist/bson.browser.umd.js.map b/node_modules/bson/dist/bson.browser.umd.js.map
new file mode 100644
index 000000000..33c8431b3
--- /dev/null
+++ b/node_modules/bson/dist/bson.browser.umd.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"bson.browser.umd.js","sources":["../node_modules/base64-js/index.js","../node_modules/ieee754/index.js","../node_modules/buffer/index.js","../node_modules/tslib/tslib.es6.js","../src/error.ts","../src/utils/global.ts","../src/parser/utils.ts","../src/ensure_buffer.ts","../src/uuid_utils.ts","../src/constants.ts","../src/binary.ts","../src/code.ts","../src/db_ref.ts","../src/long.ts","../src/decimal128.ts","../src/double.ts","../src/int_32.ts","../src/max_key.ts","../src/min_key.ts","../src/objectid.ts","../src/regexp.ts","../src/symbol.ts","../src/timestamp.ts","../src/extended_json.ts","../src/map.ts","../src/parser/calculate_size.ts","../src/validate_utf8.ts","../src/parser/deserializer.ts","../src/parser/serializer.ts","../src/bson.ts"],"sourcesContent":["'use strict'\n\nexports.byteLength = byteLength\nexports.toByteArray = toByteArray\nexports.fromByteArray = fromByteArray\n\nvar lookup = []\nvar revLookup = []\nvar Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array\n\nvar code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'\nfor (var i = 0, len = code.length; i < len; ++i) {\n  lookup[i] = code[i]\n  revLookup[code.charCodeAt(i)] = i\n}\n\n// Support decoding URL-safe base64 strings, as Node.js does.\n// See: https://en.wikipedia.org/wiki/Base64#URL_applications\nrevLookup['-'.charCodeAt(0)] = 62\nrevLookup['_'.charCodeAt(0)] = 63\n\nfunction getLens (b64) {\n  var len = b64.length\n\n  if (len % 4 > 0) {\n    throw new Error('Invalid string. Length must be a multiple of 4')\n  }\n\n  // Trim off extra bytes after placeholder bytes are found\n  // See: https://github.com/beatgammit/base64-js/issues/42\n  var validLen = b64.indexOf('=')\n  if (validLen === -1) validLen = len\n\n  var placeHoldersLen = validLen === len\n    ? 0\n    : 4 - (validLen % 4)\n\n  return [validLen, placeHoldersLen]\n}\n\n// base64 is 4/3 + up to two characters of the original data\nfunction byteLength (b64) {\n  var lens = getLens(b64)\n  var validLen = lens[0]\n  var placeHoldersLen = lens[1]\n  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen\n}\n\nfunction _byteLength (b64, validLen, placeHoldersLen) {\n  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen\n}\n\nfunction toByteArray (b64) {\n  var tmp\n  var lens = getLens(b64)\n  var validLen = lens[0]\n  var placeHoldersLen = lens[1]\n\n  var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen))\n\n  var curByte = 0\n\n  // if there are placeholders, only get up to the last complete 4 chars\n  var len = placeHoldersLen > 0\n    ? validLen - 4\n    : validLen\n\n  var i\n  for (i = 0; i < len; i += 4) {\n    tmp =\n      (revLookup[b64.charCodeAt(i)] << 18) |\n      (revLookup[b64.charCodeAt(i + 1)] << 12) |\n      (revLookup[b64.charCodeAt(i + 2)] << 6) |\n      revLookup[b64.charCodeAt(i + 3)]\n    arr[curByte++] = (tmp >> 16) & 0xFF\n    arr[curByte++] = (tmp >> 8) & 0xFF\n    arr[curByte++] = tmp & 0xFF\n  }\n\n  if (placeHoldersLen === 2) {\n    tmp =\n      (revLookup[b64.charCodeAt(i)] << 2) |\n      (revLookup[b64.charCodeAt(i + 1)] >> 4)\n    arr[curByte++] = tmp & 0xFF\n  }\n\n  if (placeHoldersLen === 1) {\n    tmp =\n      (revLookup[b64.charCodeAt(i)] << 10) |\n      (revLookup[b64.charCodeAt(i + 1)] << 4) |\n      (revLookup[b64.charCodeAt(i + 2)] >> 2)\n    arr[curByte++] = (tmp >> 8) & 0xFF\n    arr[curByte++] = tmp & 0xFF\n  }\n\n  return arr\n}\n\nfunction tripletToBase64 (num) {\n  return lookup[num >> 18 & 0x3F] +\n    lookup[num >> 12 & 0x3F] +\n    lookup[num >> 6 & 0x3F] +\n    lookup[num & 0x3F]\n}\n\nfunction encodeChunk (uint8, start, end) {\n  var tmp\n  var output = []\n  for (var i = start; i < end; i += 3) {\n    tmp =\n      ((uint8[i] << 16) & 0xFF0000) +\n      ((uint8[i + 1] << 8) & 0xFF00) +\n      (uint8[i + 2] & 0xFF)\n    output.push(tripletToBase64(tmp))\n  }\n  return output.join('')\n}\n\nfunction fromByteArray (uint8) {\n  var tmp\n  var len = uint8.length\n  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes\n  var parts = []\n  var maxChunkLength = 16383 // must be multiple of 3\n\n  // go through the array every three bytes, we'll deal with trailing stuff later\n  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {\n    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))\n  }\n\n  // pad the end with zeros, but make sure to not forget the extra bytes\n  if (extraBytes === 1) {\n    tmp = uint8[len - 1]\n    parts.push(\n      lookup[tmp >> 2] +\n      lookup[(tmp << 4) & 0x3F] +\n      '=='\n    )\n  } else if (extraBytes === 2) {\n    tmp = (uint8[len - 2] << 8) + uint8[len - 1]\n    parts.push(\n      lookup[tmp >> 10] +\n      lookup[(tmp >> 4) & 0x3F] +\n      lookup[(tmp << 2) & 0x3F] +\n      '='\n    )\n  }\n\n  return parts.join('')\n}\n","/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */\nexports.read = function (buffer, offset, isLE, mLen, nBytes) {\n  var e, m\n  var eLen = (nBytes * 8) - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var nBits = -7\n  var i = isLE ? (nBytes - 1) : 0\n  var d = isLE ? -1 : 1\n  var s = buffer[offset + i]\n\n  i += d\n\n  e = s & ((1 << (-nBits)) - 1)\n  s >>= (-nBits)\n  nBits += eLen\n  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}\n\n  m = e & ((1 << (-nBits)) - 1)\n  e >>= (-nBits)\n  nBits += mLen\n  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}\n\n  if (e === 0) {\n    e = 1 - eBias\n  } else if (e === eMax) {\n    return m ? NaN : ((s ? -1 : 1) * Infinity)\n  } else {\n    m = m + Math.pow(2, mLen)\n    e = e - eBias\n  }\n  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)\n}\n\nexports.write = function (buffer, value, offset, isLE, mLen, nBytes) {\n  var e, m, c\n  var eLen = (nBytes * 8) - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)\n  var i = isLE ? 0 : (nBytes - 1)\n  var d = isLE ? 1 : -1\n  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0\n\n  value = Math.abs(value)\n\n  if (isNaN(value) || value === Infinity) {\n    m = isNaN(value) ? 1 : 0\n    e = eMax\n  } else {\n    e = Math.floor(Math.log(value) / Math.LN2)\n    if (value * (c = Math.pow(2, -e)) < 1) {\n      e--\n      c *= 2\n    }\n    if (e + eBias >= 1) {\n      value += rt / c\n    } else {\n      value += rt * Math.pow(2, 1 - eBias)\n    }\n    if (value * c >= 2) {\n      e++\n      c /= 2\n    }\n\n    if (e + eBias >= eMax) {\n      m = 0\n      e = eMax\n    } else if (e + eBias >= 1) {\n      m = ((value * c) - 1) * Math.pow(2, mLen)\n      e = e + eBias\n    } else {\n      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)\n      e = 0\n    }\n  }\n\n  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}\n\n  e = (e << mLen) | m\n  eLen += mLen\n  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}\n\n  buffer[offset + i - d] |= s * 128\n}\n","/*!\n * The buffer module from node.js, for the browser.\n *\n * @author   Feross Aboukhadijeh <https://feross.org>\n * @license  MIT\n */\n/* eslint-disable no-proto */\n\n'use strict'\n\nvar base64 = require('base64-js')\nvar ieee754 = require('ieee754')\nvar customInspectSymbol =\n  (typeof Symbol === 'function' && typeof Symbol['for'] === 'function') // eslint-disable-line dot-notation\n    ? Symbol['for']('nodejs.util.inspect.custom') // eslint-disable-line dot-notation\n    : null\n\nexports.Buffer = Buffer\nexports.SlowBuffer = SlowBuffer\nexports.INSPECT_MAX_BYTES = 50\n\nvar K_MAX_LENGTH = 0x7fffffff\nexports.kMaxLength = K_MAX_LENGTH\n\n/**\n * If `Buffer.TYPED_ARRAY_SUPPORT`:\n *   === true    Use Uint8Array implementation (fastest)\n *   === false   Print warning and recommend using `buffer` v4.x which has an Object\n *               implementation (most compatible, even IE6)\n *\n * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,\n * Opera 11.6+, iOS 4.2+.\n *\n * We report that the browser does not support typed arrays if the are not subclassable\n * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`\n * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support\n * for __proto__ and has a buggy typed array implementation.\n */\nBuffer.TYPED_ARRAY_SUPPORT = typedArraySupport()\n\nif (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&\n    typeof console.error === 'function') {\n  console.error(\n    'This browser lacks typed array (Uint8Array) support which is required by ' +\n    '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'\n  )\n}\n\nfunction typedArraySupport () {\n  // Can typed array instances can be augmented?\n  try {\n    var arr = new Uint8Array(1)\n    var proto = { foo: function () { return 42 } }\n    Object.setPrototypeOf(proto, Uint8Array.prototype)\n    Object.setPrototypeOf(arr, proto)\n    return arr.foo() === 42\n  } catch (e) {\n    return false\n  }\n}\n\nObject.defineProperty(Buffer.prototype, 'parent', {\n  enumerable: true,\n  get: function () {\n    if (!Buffer.isBuffer(this)) return undefined\n    return this.buffer\n  }\n})\n\nObject.defineProperty(Buffer.prototype, 'offset', {\n  enumerable: true,\n  get: function () {\n    if (!Buffer.isBuffer(this)) return undefined\n    return this.byteOffset\n  }\n})\n\nfunction createBuffer (length) {\n  if (length > K_MAX_LENGTH) {\n    throw new RangeError('The value \"' + length + '\" is invalid for option \"size\"')\n  }\n  // Return an augmented `Uint8Array` instance\n  var buf = new Uint8Array(length)\n  Object.setPrototypeOf(buf, Buffer.prototype)\n  return buf\n}\n\n/**\n * The Buffer constructor returns instances of `Uint8Array` that have their\n * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of\n * `Uint8Array`, so the returned instances will have all the node `Buffer` methods\n * and the `Uint8Array` methods. Square bracket notation works as expected -- it\n * returns a single octet.\n *\n * The `Uint8Array` prototype remains unmodified.\n */\n\nfunction Buffer (arg, encodingOrOffset, length) {\n  // Common case.\n  if (typeof arg === 'number') {\n    if (typeof encodingOrOffset === 'string') {\n      throw new TypeError(\n        'The \"string\" argument must be of type string. Received type number'\n      )\n    }\n    return allocUnsafe(arg)\n  }\n  return from(arg, encodingOrOffset, length)\n}\n\nBuffer.poolSize = 8192 // not used by this implementation\n\nfunction from (value, encodingOrOffset, length) {\n  if (typeof value === 'string') {\n    return fromString(value, encodingOrOffset)\n  }\n\n  if (ArrayBuffer.isView(value)) {\n    return fromArrayView(value)\n  }\n\n  if (value == null) {\n    throw new TypeError(\n      'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +\n      'or Array-like Object. Received type ' + (typeof value)\n    )\n  }\n\n  if (isInstance(value, ArrayBuffer) ||\n      (value && isInstance(value.buffer, ArrayBuffer))) {\n    return fromArrayBuffer(value, encodingOrOffset, length)\n  }\n\n  if (typeof SharedArrayBuffer !== 'undefined' &&\n      (isInstance(value, SharedArrayBuffer) ||\n      (value && isInstance(value.buffer, SharedArrayBuffer)))) {\n    return fromArrayBuffer(value, encodingOrOffset, length)\n  }\n\n  if (typeof value === 'number') {\n    throw new TypeError(\n      'The \"value\" argument must not be of type number. Received type number'\n    )\n  }\n\n  var valueOf = value.valueOf && value.valueOf()\n  if (valueOf != null && valueOf !== value) {\n    return Buffer.from(valueOf, encodingOrOffset, length)\n  }\n\n  var b = fromObject(value)\n  if (b) return b\n\n  if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null &&\n      typeof value[Symbol.toPrimitive] === 'function') {\n    return Buffer.from(\n      value[Symbol.toPrimitive]('string'), encodingOrOffset, length\n    )\n  }\n\n  throw new TypeError(\n    'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +\n    'or Array-like Object. Received type ' + (typeof value)\n  )\n}\n\n/**\n * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError\n * if value is a number.\n * Buffer.from(str[, encoding])\n * Buffer.from(array)\n * Buffer.from(buffer)\n * Buffer.from(arrayBuffer[, byteOffset[, length]])\n **/\nBuffer.from = function (value, encodingOrOffset, length) {\n  return from(value, encodingOrOffset, length)\n}\n\n// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:\n// https://github.com/feross/buffer/pull/148\nObject.setPrototypeOf(Buffer.prototype, Uint8Array.prototype)\nObject.setPrototypeOf(Buffer, Uint8Array)\n\nfunction assertSize (size) {\n  if (typeof size !== 'number') {\n    throw new TypeError('\"size\" argument must be of type number')\n  } else if (size < 0) {\n    throw new RangeError('The value \"' + size + '\" is invalid for option \"size\"')\n  }\n}\n\nfunction alloc (size, fill, encoding) {\n  assertSize(size)\n  if (size <= 0) {\n    return createBuffer(size)\n  }\n  if (fill !== undefined) {\n    // Only pay attention to encoding if it's a string. This\n    // prevents accidentally sending in a number that would\n    // be interpreted as a start offset.\n    return typeof encoding === 'string'\n      ? createBuffer(size).fill(fill, encoding)\n      : createBuffer(size).fill(fill)\n  }\n  return createBuffer(size)\n}\n\n/**\n * Creates a new filled Buffer instance.\n * alloc(size[, fill[, encoding]])\n **/\nBuffer.alloc = function (size, fill, encoding) {\n  return alloc(size, fill, encoding)\n}\n\nfunction allocUnsafe (size) {\n  assertSize(size)\n  return createBuffer(size < 0 ? 0 : checked(size) | 0)\n}\n\n/**\n * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.\n * */\nBuffer.allocUnsafe = function (size) {\n  return allocUnsafe(size)\n}\n/**\n * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.\n */\nBuffer.allocUnsafeSlow = function (size) {\n  return allocUnsafe(size)\n}\n\nfunction fromString (string, encoding) {\n  if (typeof encoding !== 'string' || encoding === '') {\n    encoding = 'utf8'\n  }\n\n  if (!Buffer.isEncoding(encoding)) {\n    throw new TypeError('Unknown encoding: ' + encoding)\n  }\n\n  var length = byteLength(string, encoding) | 0\n  var buf = createBuffer(length)\n\n  var actual = buf.write(string, encoding)\n\n  if (actual !== length) {\n    // Writing a hex string, for example, that contains invalid characters will\n    // cause everything after the first invalid character to be ignored. (e.g.\n    // 'abxxcd' will be treated as 'ab')\n    buf = buf.slice(0, actual)\n  }\n\n  return buf\n}\n\nfunction fromArrayLike (array) {\n  var length = array.length < 0 ? 0 : checked(array.length) | 0\n  var buf = createBuffer(length)\n  for (var i = 0; i < length; i += 1) {\n    buf[i] = array[i] & 255\n  }\n  return buf\n}\n\nfunction fromArrayView (arrayView) {\n  if (isInstance(arrayView, Uint8Array)) {\n    var copy = new Uint8Array(arrayView)\n    return fromArrayBuffer(copy.buffer, copy.byteOffset, copy.byteLength)\n  }\n  return fromArrayLike(arrayView)\n}\n\nfunction fromArrayBuffer (array, byteOffset, length) {\n  if (byteOffset < 0 || array.byteLength < byteOffset) {\n    throw new RangeError('\"offset\" is outside of buffer bounds')\n  }\n\n  if (array.byteLength < byteOffset + (length || 0)) {\n    throw new RangeError('\"length\" is outside of buffer bounds')\n  }\n\n  var buf\n  if (byteOffset === undefined && length === undefined) {\n    buf = new Uint8Array(array)\n  } else if (length === undefined) {\n    buf = new Uint8Array(array, byteOffset)\n  } else {\n    buf = new Uint8Array(array, byteOffset, length)\n  }\n\n  // Return an augmented `Uint8Array` instance\n  Object.setPrototypeOf(buf, Buffer.prototype)\n\n  return buf\n}\n\nfunction fromObject (obj) {\n  if (Buffer.isBuffer(obj)) {\n    var len = checked(obj.length) | 0\n    var buf = createBuffer(len)\n\n    if (buf.length === 0) {\n      return buf\n    }\n\n    obj.copy(buf, 0, 0, len)\n    return buf\n  }\n\n  if (obj.length !== undefined) {\n    if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {\n      return createBuffer(0)\n    }\n    return fromArrayLike(obj)\n  }\n\n  if (obj.type === 'Buffer' && Array.isArray(obj.data)) {\n    return fromArrayLike(obj.data)\n  }\n}\n\nfunction checked (length) {\n  // Note: cannot use `length < K_MAX_LENGTH` here because that fails when\n  // length is NaN (which is otherwise coerced to zero.)\n  if (length >= K_MAX_LENGTH) {\n    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +\n                         'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')\n  }\n  return length | 0\n}\n\nfunction SlowBuffer (length) {\n  if (+length != length) { // eslint-disable-line eqeqeq\n    length = 0\n  }\n  return Buffer.alloc(+length)\n}\n\nBuffer.isBuffer = function isBuffer (b) {\n  return b != null && b._isBuffer === true &&\n    b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false\n}\n\nBuffer.compare = function compare (a, b) {\n  if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength)\n  if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength)\n  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {\n    throw new TypeError(\n      'The \"buf1\", \"buf2\" arguments must be one of type Buffer or Uint8Array'\n    )\n  }\n\n  if (a === b) return 0\n\n  var x = a.length\n  var y = b.length\n\n  for (var i = 0, len = Math.min(x, y); i < len; ++i) {\n    if (a[i] !== b[i]) {\n      x = a[i]\n      y = b[i]\n      break\n    }\n  }\n\n  if (x < y) return -1\n  if (y < x) return 1\n  return 0\n}\n\nBuffer.isEncoding = function isEncoding (encoding) {\n  switch (String(encoding).toLowerCase()) {\n    case 'hex':\n    case 'utf8':\n    case 'utf-8':\n    case 'ascii':\n    case 'latin1':\n    case 'binary':\n    case 'base64':\n    case 'ucs2':\n    case 'ucs-2':\n    case 'utf16le':\n    case 'utf-16le':\n      return true\n    default:\n      return false\n  }\n}\n\nBuffer.concat = function concat (list, length) {\n  if (!Array.isArray(list)) {\n    throw new TypeError('\"list\" argument must be an Array of Buffers')\n  }\n\n  if (list.length === 0) {\n    return Buffer.alloc(0)\n  }\n\n  var i\n  if (length === undefined) {\n    length = 0\n    for (i = 0; i < list.length; ++i) {\n      length += list[i].length\n    }\n  }\n\n  var buffer = Buffer.allocUnsafe(length)\n  var pos = 0\n  for (i = 0; i < list.length; ++i) {\n    var buf = list[i]\n    if (isInstance(buf, Uint8Array)) {\n      if (pos + buf.length > buffer.length) {\n        Buffer.from(buf).copy(buffer, pos)\n      } else {\n        Uint8Array.prototype.set.call(\n          buffer,\n          buf,\n          pos\n        )\n      }\n    } else if (!Buffer.isBuffer(buf)) {\n      throw new TypeError('\"list\" argument must be an Array of Buffers')\n    } else {\n      buf.copy(buffer, pos)\n    }\n    pos += buf.length\n  }\n  return buffer\n}\n\nfunction byteLength (string, encoding) {\n  if (Buffer.isBuffer(string)) {\n    return string.length\n  }\n  if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {\n    return string.byteLength\n  }\n  if (typeof string !== 'string') {\n    throw new TypeError(\n      'The \"string\" argument must be one of type string, Buffer, or ArrayBuffer. ' +\n      'Received type ' + typeof string\n    )\n  }\n\n  var len = string.length\n  var mustMatch = (arguments.length > 2 && arguments[2] === true)\n  if (!mustMatch && len === 0) return 0\n\n  // Use a for loop to avoid recursion\n  var loweredCase = false\n  for (;;) {\n    switch (encoding) {\n      case 'ascii':\n      case 'latin1':\n      case 'binary':\n        return len\n      case 'utf8':\n      case 'utf-8':\n        return utf8ToBytes(string).length\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return len * 2\n      case 'hex':\n        return len >>> 1\n      case 'base64':\n        return base64ToBytes(string).length\n      default:\n        if (loweredCase) {\n          return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8\n        }\n        encoding = ('' + encoding).toLowerCase()\n        loweredCase = true\n    }\n  }\n}\nBuffer.byteLength = byteLength\n\nfunction slowToString (encoding, start, end) {\n  var loweredCase = false\n\n  // No need to verify that \"this.length <= MAX_UINT32\" since it's a read-only\n  // property of a typed array.\n\n  // This behaves neither like String nor Uint8Array in that we set start/end\n  // to their upper/lower bounds if the value passed is out of range.\n  // undefined is handled specially as per ECMA-262 6th Edition,\n  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.\n  if (start === undefined || start < 0) {\n    start = 0\n  }\n  // Return early if start > this.length. Done here to prevent potential uint32\n  // coercion fail below.\n  if (start > this.length) {\n    return ''\n  }\n\n  if (end === undefined || end > this.length) {\n    end = this.length\n  }\n\n  if (end <= 0) {\n    return ''\n  }\n\n  // Force coercion to uint32. This will also coerce falsey/NaN values to 0.\n  end >>>= 0\n  start >>>= 0\n\n  if (end <= start) {\n    return ''\n  }\n\n  if (!encoding) encoding = 'utf8'\n\n  while (true) {\n    switch (encoding) {\n      case 'hex':\n        return hexSlice(this, start, end)\n\n      case 'utf8':\n      case 'utf-8':\n        return utf8Slice(this, start, end)\n\n      case 'ascii':\n        return asciiSlice(this, start, end)\n\n      case 'latin1':\n      case 'binary':\n        return latin1Slice(this, start, end)\n\n      case 'base64':\n        return base64Slice(this, start, end)\n\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return utf16leSlice(this, start, end)\n\n      default:\n        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n        encoding = (encoding + '').toLowerCase()\n        loweredCase = true\n    }\n  }\n}\n\n// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)\n// to detect a Buffer instance. It's not possible to use `instanceof Buffer`\n// reliably in a browserify context because there could be multiple different\n// copies of the 'buffer' package in use. This method works even for Buffer\n// instances that were created from another copy of the `buffer` package.\n// See: https://github.com/feross/buffer/issues/154\nBuffer.prototype._isBuffer = true\n\nfunction swap (b, n, m) {\n  var i = b[n]\n  b[n] = b[m]\n  b[m] = i\n}\n\nBuffer.prototype.swap16 = function swap16 () {\n  var len = this.length\n  if (len % 2 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 16-bits')\n  }\n  for (var i = 0; i < len; i += 2) {\n    swap(this, i, i + 1)\n  }\n  return this\n}\n\nBuffer.prototype.swap32 = function swap32 () {\n  var len = this.length\n  if (len % 4 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 32-bits')\n  }\n  for (var i = 0; i < len; i += 4) {\n    swap(this, i, i + 3)\n    swap(this, i + 1, i + 2)\n  }\n  return this\n}\n\nBuffer.prototype.swap64 = function swap64 () {\n  var len = this.length\n  if (len % 8 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 64-bits')\n  }\n  for (var i = 0; i < len; i += 8) {\n    swap(this, i, i + 7)\n    swap(this, i + 1, i + 6)\n    swap(this, i + 2, i + 5)\n    swap(this, i + 3, i + 4)\n  }\n  return this\n}\n\nBuffer.prototype.toString = function toString () {\n  var length = this.length\n  if (length === 0) return ''\n  if (arguments.length === 0) return utf8Slice(this, 0, length)\n  return slowToString.apply(this, arguments)\n}\n\nBuffer.prototype.toLocaleString = Buffer.prototype.toString\n\nBuffer.prototype.equals = function equals (b) {\n  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')\n  if (this === b) return true\n  return Buffer.compare(this, b) === 0\n}\n\nBuffer.prototype.inspect = function inspect () {\n  var str = ''\n  var max = exports.INSPECT_MAX_BYTES\n  str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim()\n  if (this.length > max) str += ' ... '\n  return '<Buffer ' + str + '>'\n}\nif (customInspectSymbol) {\n  Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect\n}\n\nBuffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {\n  if (isInstance(target, Uint8Array)) {\n    target = Buffer.from(target, target.offset, target.byteLength)\n  }\n  if (!Buffer.isBuffer(target)) {\n    throw new TypeError(\n      'The \"target\" argument must be one of type Buffer or Uint8Array. ' +\n      'Received type ' + (typeof target)\n    )\n  }\n\n  if (start === undefined) {\n    start = 0\n  }\n  if (end === undefined) {\n    end = target ? target.length : 0\n  }\n  if (thisStart === undefined) {\n    thisStart = 0\n  }\n  if (thisEnd === undefined) {\n    thisEnd = this.length\n  }\n\n  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {\n    throw new RangeError('out of range index')\n  }\n\n  if (thisStart >= thisEnd && start >= end) {\n    return 0\n  }\n  if (thisStart >= thisEnd) {\n    return -1\n  }\n  if (start >= end) {\n    return 1\n  }\n\n  start >>>= 0\n  end >>>= 0\n  thisStart >>>= 0\n  thisEnd >>>= 0\n\n  if (this === target) return 0\n\n  var x = thisEnd - thisStart\n  var y = end - start\n  var len = Math.min(x, y)\n\n  var thisCopy = this.slice(thisStart, thisEnd)\n  var targetCopy = target.slice(start, end)\n\n  for (var i = 0; i < len; ++i) {\n    if (thisCopy[i] !== targetCopy[i]) {\n      x = thisCopy[i]\n      y = targetCopy[i]\n      break\n    }\n  }\n\n  if (x < y) return -1\n  if (y < x) return 1\n  return 0\n}\n\n// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,\n// OR the last index of `val` in `buffer` at offset <= `byteOffset`.\n//\n// Arguments:\n// - buffer - a Buffer to search\n// - val - a string, Buffer, or number\n// - byteOffset - an index into `buffer`; will be clamped to an int32\n// - encoding - an optional encoding, relevant is val is a string\n// - dir - true for indexOf, false for lastIndexOf\nfunction bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {\n  // Empty buffer means no match\n  if (buffer.length === 0) return -1\n\n  // Normalize byteOffset\n  if (typeof byteOffset === 'string') {\n    encoding = byteOffset\n    byteOffset = 0\n  } else if (byteOffset > 0x7fffffff) {\n    byteOffset = 0x7fffffff\n  } else if (byteOffset < -0x80000000) {\n    byteOffset = -0x80000000\n  }\n  byteOffset = +byteOffset // Coerce to Number.\n  if (numberIsNaN(byteOffset)) {\n    // byteOffset: it it's undefined, null, NaN, \"foo\", etc, search whole buffer\n    byteOffset = dir ? 0 : (buffer.length - 1)\n  }\n\n  // Normalize byteOffset: negative offsets start from the end of the buffer\n  if (byteOffset < 0) byteOffset = buffer.length + byteOffset\n  if (byteOffset >= buffer.length) {\n    if (dir) return -1\n    else byteOffset = buffer.length - 1\n  } else if (byteOffset < 0) {\n    if (dir) byteOffset = 0\n    else return -1\n  }\n\n  // Normalize val\n  if (typeof val === 'string') {\n    val = Buffer.from(val, encoding)\n  }\n\n  // Finally, search either indexOf (if dir is true) or lastIndexOf\n  if (Buffer.isBuffer(val)) {\n    // Special case: looking for empty string/buffer always fails\n    if (val.length === 0) {\n      return -1\n    }\n    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)\n  } else if (typeof val === 'number') {\n    val = val & 0xFF // Search for a byte value [0-255]\n    if (typeof Uint8Array.prototype.indexOf === 'function') {\n      if (dir) {\n        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)\n      } else {\n        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)\n      }\n    }\n    return arrayIndexOf(buffer, [val], byteOffset, encoding, dir)\n  }\n\n  throw new TypeError('val must be string, number or Buffer')\n}\n\nfunction arrayIndexOf (arr, val, byteOffset, encoding, dir) {\n  var indexSize = 1\n  var arrLength = arr.length\n  var valLength = val.length\n\n  if (encoding !== undefined) {\n    encoding = String(encoding).toLowerCase()\n    if (encoding === 'ucs2' || encoding === 'ucs-2' ||\n        encoding === 'utf16le' || encoding === 'utf-16le') {\n      if (arr.length < 2 || val.length < 2) {\n        return -1\n      }\n      indexSize = 2\n      arrLength /= 2\n      valLength /= 2\n      byteOffset /= 2\n    }\n  }\n\n  function read (buf, i) {\n    if (indexSize === 1) {\n      return buf[i]\n    } else {\n      return buf.readUInt16BE(i * indexSize)\n    }\n  }\n\n  var i\n  if (dir) {\n    var foundIndex = -1\n    for (i = byteOffset; i < arrLength; i++) {\n      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {\n        if (foundIndex === -1) foundIndex = i\n        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize\n      } else {\n        if (foundIndex !== -1) i -= i - foundIndex\n        foundIndex = -1\n      }\n    }\n  } else {\n    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength\n    for (i = byteOffset; i >= 0; i--) {\n      var found = true\n      for (var j = 0; j < valLength; j++) {\n        if (read(arr, i + j) !== read(val, j)) {\n          found = false\n          break\n        }\n      }\n      if (found) return i\n    }\n  }\n\n  return -1\n}\n\nBuffer.prototype.includes = function includes (val, byteOffset, encoding) {\n  return this.indexOf(val, byteOffset, encoding) !== -1\n}\n\nBuffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {\n  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)\n}\n\nBuffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {\n  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)\n}\n\nfunction hexWrite (buf, string, offset, length) {\n  offset = Number(offset) || 0\n  var remaining = buf.length - offset\n  if (!length) {\n    length = remaining\n  } else {\n    length = Number(length)\n    if (length > remaining) {\n      length = remaining\n    }\n  }\n\n  var strLen = string.length\n\n  if (length > strLen / 2) {\n    length = strLen / 2\n  }\n  for (var i = 0; i < length; ++i) {\n    var parsed = parseInt(string.substr(i * 2, 2), 16)\n    if (numberIsNaN(parsed)) return i\n    buf[offset + i] = parsed\n  }\n  return i\n}\n\nfunction utf8Write (buf, string, offset, length) {\n  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nfunction asciiWrite (buf, string, offset, length) {\n  return blitBuffer(asciiToBytes(string), buf, offset, length)\n}\n\nfunction base64Write (buf, string, offset, length) {\n  return blitBuffer(base64ToBytes(string), buf, offset, length)\n}\n\nfunction ucs2Write (buf, string, offset, length) {\n  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nBuffer.prototype.write = function write (string, offset, length, encoding) {\n  // Buffer#write(string)\n  if (offset === undefined) {\n    encoding = 'utf8'\n    length = this.length\n    offset = 0\n  // Buffer#write(string, encoding)\n  } else if (length === undefined && typeof offset === 'string') {\n    encoding = offset\n    length = this.length\n    offset = 0\n  // Buffer#write(string, offset[, length][, encoding])\n  } else if (isFinite(offset)) {\n    offset = offset >>> 0\n    if (isFinite(length)) {\n      length = length >>> 0\n      if (encoding === undefined) encoding = 'utf8'\n    } else {\n      encoding = length\n      length = undefined\n    }\n  } else {\n    throw new Error(\n      'Buffer.write(string, encoding, offset[, length]) is no longer supported'\n    )\n  }\n\n  var remaining = this.length - offset\n  if (length === undefined || length > remaining) length = remaining\n\n  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {\n    throw new RangeError('Attempt to write outside buffer bounds')\n  }\n\n  if (!encoding) encoding = 'utf8'\n\n  var loweredCase = false\n  for (;;) {\n    switch (encoding) {\n      case 'hex':\n        return hexWrite(this, string, offset, length)\n\n      case 'utf8':\n      case 'utf-8':\n        return utf8Write(this, string, offset, length)\n\n      case 'ascii':\n      case 'latin1':\n      case 'binary':\n        return asciiWrite(this, string, offset, length)\n\n      case 'base64':\n        // Warning: maxLength not taken into account in base64Write\n        return base64Write(this, string, offset, length)\n\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return ucs2Write(this, string, offset, length)\n\n      default:\n        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n        encoding = ('' + encoding).toLowerCase()\n        loweredCase = true\n    }\n  }\n}\n\nBuffer.prototype.toJSON = function toJSON () {\n  return {\n    type: 'Buffer',\n    data: Array.prototype.slice.call(this._arr || this, 0)\n  }\n}\n\nfunction base64Slice (buf, start, end) {\n  if (start === 0 && end === buf.length) {\n    return base64.fromByteArray(buf)\n  } else {\n    return base64.fromByteArray(buf.slice(start, end))\n  }\n}\n\nfunction utf8Slice (buf, start, end) {\n  end = Math.min(buf.length, end)\n  var res = []\n\n  var i = start\n  while (i < end) {\n    var firstByte = buf[i]\n    var codePoint = null\n    var bytesPerSequence = (firstByte > 0xEF)\n      ? 4\n      : (firstByte > 0xDF)\n          ? 3\n          : (firstByte > 0xBF)\n              ? 2\n              : 1\n\n    if (i + bytesPerSequence <= end) {\n      var secondByte, thirdByte, fourthByte, tempCodePoint\n\n      switch (bytesPerSequence) {\n        case 1:\n          if (firstByte < 0x80) {\n            codePoint = firstByte\n          }\n          break\n        case 2:\n          secondByte = buf[i + 1]\n          if ((secondByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)\n            if (tempCodePoint > 0x7F) {\n              codePoint = tempCodePoint\n            }\n          }\n          break\n        case 3:\n          secondByte = buf[i + 1]\n          thirdByte = buf[i + 2]\n          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)\n            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {\n              codePoint = tempCodePoint\n            }\n          }\n          break\n        case 4:\n          secondByte = buf[i + 1]\n          thirdByte = buf[i + 2]\n          fourthByte = buf[i + 3]\n          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)\n            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {\n              codePoint = tempCodePoint\n            }\n          }\n      }\n    }\n\n    if (codePoint === null) {\n      // we did not generate a valid codePoint so insert a\n      // replacement char (U+FFFD) and advance only 1 byte\n      codePoint = 0xFFFD\n      bytesPerSequence = 1\n    } else if (codePoint > 0xFFFF) {\n      // encode to utf16 (surrogate pair dance)\n      codePoint -= 0x10000\n      res.push(codePoint >>> 10 & 0x3FF | 0xD800)\n      codePoint = 0xDC00 | codePoint & 0x3FF\n    }\n\n    res.push(codePoint)\n    i += bytesPerSequence\n  }\n\n  return decodeCodePointsArray(res)\n}\n\n// Based on http://stackoverflow.com/a/22747272/680742, the browser with\n// the lowest limit is Chrome, with 0x10000 args.\n// We go 1 magnitude less, for safety\nvar MAX_ARGUMENTS_LENGTH = 0x1000\n\nfunction decodeCodePointsArray (codePoints) {\n  var len = codePoints.length\n  if (len <= MAX_ARGUMENTS_LENGTH) {\n    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()\n  }\n\n  // Decode in chunks to avoid \"call stack size exceeded\".\n  var res = ''\n  var i = 0\n  while (i < len) {\n    res += String.fromCharCode.apply(\n      String,\n      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)\n    )\n  }\n  return res\n}\n\nfunction asciiSlice (buf, start, end) {\n  var ret = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; ++i) {\n    ret += String.fromCharCode(buf[i] & 0x7F)\n  }\n  return ret\n}\n\nfunction latin1Slice (buf, start, end) {\n  var ret = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; ++i) {\n    ret += String.fromCharCode(buf[i])\n  }\n  return ret\n}\n\nfunction hexSlice (buf, start, end) {\n  var len = buf.length\n\n  if (!start || start < 0) start = 0\n  if (!end || end < 0 || end > len) end = len\n\n  var out = ''\n  for (var i = start; i < end; ++i) {\n    out += hexSliceLookupTable[buf[i]]\n  }\n  return out\n}\n\nfunction utf16leSlice (buf, start, end) {\n  var bytes = buf.slice(start, end)\n  var res = ''\n  // If bytes.length is odd, the last 8 bits must be ignored (same as node.js)\n  for (var i = 0; i < bytes.length - 1; i += 2) {\n    res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))\n  }\n  return res\n}\n\nBuffer.prototype.slice = function slice (start, end) {\n  var len = this.length\n  start = ~~start\n  end = end === undefined ? len : ~~end\n\n  if (start < 0) {\n    start += len\n    if (start < 0) start = 0\n  } else if (start > len) {\n    start = len\n  }\n\n  if (end < 0) {\n    end += len\n    if (end < 0) end = 0\n  } else if (end > len) {\n    end = len\n  }\n\n  if (end < start) end = start\n\n  var newBuf = this.subarray(start, end)\n  // Return an augmented `Uint8Array` instance\n  Object.setPrototypeOf(newBuf, Buffer.prototype)\n\n  return newBuf\n}\n\n/*\n * Need to make sure that buffer isn't trying to write out of bounds.\n */\nfunction checkOffset (offset, ext, length) {\n  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')\n  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')\n}\n\nBuffer.prototype.readUintLE =\nBuffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var val = this[offset]\n  var mul = 1\n  var i = 0\n  while (++i < byteLength && (mul *= 0x100)) {\n    val += this[offset + i] * mul\n  }\n\n  return val\n}\n\nBuffer.prototype.readUintBE =\nBuffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) {\n    checkOffset(offset, byteLength, this.length)\n  }\n\n  var val = this[offset + --byteLength]\n  var mul = 1\n  while (byteLength > 0 && (mul *= 0x100)) {\n    val += this[offset + --byteLength] * mul\n  }\n\n  return val\n}\n\nBuffer.prototype.readUint8 =\nBuffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 1, this.length)\n  return this[offset]\n}\n\nBuffer.prototype.readUint16LE =\nBuffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  return this[offset] | (this[offset + 1] << 8)\n}\n\nBuffer.prototype.readUint16BE =\nBuffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  return (this[offset] << 8) | this[offset + 1]\n}\n\nBuffer.prototype.readUint32LE =\nBuffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return ((this[offset]) |\n      (this[offset + 1] << 8) |\n      (this[offset + 2] << 16)) +\n      (this[offset + 3] * 0x1000000)\n}\n\nBuffer.prototype.readUint32BE =\nBuffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset] * 0x1000000) +\n    ((this[offset + 1] << 16) |\n    (this[offset + 2] << 8) |\n    this[offset + 3])\n}\n\nBuffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var val = this[offset]\n  var mul = 1\n  var i = 0\n  while (++i < byteLength && (mul *= 0x100)) {\n    val += this[offset + i] * mul\n  }\n  mul *= 0x80\n\n  if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n  return val\n}\n\nBuffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var i = byteLength\n  var mul = 1\n  var val = this[offset + --i]\n  while (i > 0 && (mul *= 0x100)) {\n    val += this[offset + --i] * mul\n  }\n  mul *= 0x80\n\n  if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n  return val\n}\n\nBuffer.prototype.readInt8 = function readInt8 (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 1, this.length)\n  if (!(this[offset] & 0x80)) return (this[offset])\n  return ((0xff - this[offset] + 1) * -1)\n}\n\nBuffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  var val = this[offset] | (this[offset + 1] << 8)\n  return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  var val = this[offset + 1] | (this[offset] << 8)\n  return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset]) |\n    (this[offset + 1] << 8) |\n    (this[offset + 2] << 16) |\n    (this[offset + 3] << 24)\n}\n\nBuffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset] << 24) |\n    (this[offset + 1] << 16) |\n    (this[offset + 2] << 8) |\n    (this[offset + 3])\n}\n\nBuffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n  return ieee754.read(this, offset, true, 23, 4)\n}\n\nBuffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n  return ieee754.read(this, offset, false, 23, 4)\n}\n\nBuffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 8, this.length)\n  return ieee754.read(this, offset, true, 52, 8)\n}\n\nBuffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 8, this.length)\n  return ieee754.read(this, offset, false, 52, 8)\n}\n\nfunction checkInt (buf, value, offset, ext, max, min) {\n  if (!Buffer.isBuffer(buf)) throw new TypeError('\"buffer\" argument must be a Buffer instance')\n  if (value > max || value < min) throw new RangeError('\"value\" argument is out of bounds')\n  if (offset + ext > buf.length) throw new RangeError('Index out of range')\n}\n\nBuffer.prototype.writeUintLE =\nBuffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) {\n    var maxBytes = Math.pow(2, 8 * byteLength) - 1\n    checkInt(this, value, offset, byteLength, maxBytes, 0)\n  }\n\n  var mul = 1\n  var i = 0\n  this[offset] = value & 0xFF\n  while (++i < byteLength && (mul *= 0x100)) {\n    this[offset + i] = (value / mul) & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeUintBE =\nBuffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) {\n    var maxBytes = Math.pow(2, 8 * byteLength) - 1\n    checkInt(this, value, offset, byteLength, maxBytes, 0)\n  }\n\n  var i = byteLength - 1\n  var mul = 1\n  this[offset + i] = value & 0xFF\n  while (--i >= 0 && (mul *= 0x100)) {\n    this[offset + i] = (value / mul) & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeUint8 =\nBuffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)\n  this[offset] = (value & 0xff)\n  return offset + 1\n}\n\nBuffer.prototype.writeUint16LE =\nBuffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n  this[offset] = (value & 0xff)\n  this[offset + 1] = (value >>> 8)\n  return offset + 2\n}\n\nBuffer.prototype.writeUint16BE =\nBuffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n  this[offset] = (value >>> 8)\n  this[offset + 1] = (value & 0xff)\n  return offset + 2\n}\n\nBuffer.prototype.writeUint32LE =\nBuffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n  this[offset + 3] = (value >>> 24)\n  this[offset + 2] = (value >>> 16)\n  this[offset + 1] = (value >>> 8)\n  this[offset] = (value & 0xff)\n  return offset + 4\n}\n\nBuffer.prototype.writeUint32BE =\nBuffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n  this[offset] = (value >>> 24)\n  this[offset + 1] = (value >>> 16)\n  this[offset + 2] = (value >>> 8)\n  this[offset + 3] = (value & 0xff)\n  return offset + 4\n}\n\nBuffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) {\n    var limit = Math.pow(2, (8 * byteLength) - 1)\n\n    checkInt(this, value, offset, byteLength, limit - 1, -limit)\n  }\n\n  var i = 0\n  var mul = 1\n  var sub = 0\n  this[offset] = value & 0xFF\n  while (++i < byteLength && (mul *= 0x100)) {\n    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {\n      sub = 1\n    }\n    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) {\n    var limit = Math.pow(2, (8 * byteLength) - 1)\n\n    checkInt(this, value, offset, byteLength, limit - 1, -limit)\n  }\n\n  var i = byteLength - 1\n  var mul = 1\n  var sub = 0\n  this[offset + i] = value & 0xFF\n  while (--i >= 0 && (mul *= 0x100)) {\n    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {\n      sub = 1\n    }\n    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)\n  if (value < 0) value = 0xff + value + 1\n  this[offset] = (value & 0xff)\n  return offset + 1\n}\n\nBuffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n  this[offset] = (value & 0xff)\n  this[offset + 1] = (value >>> 8)\n  return offset + 2\n}\n\nBuffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n  this[offset] = (value >>> 8)\n  this[offset + 1] = (value & 0xff)\n  return offset + 2\n}\n\nBuffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n  this[offset] = (value & 0xff)\n  this[offset + 1] = (value >>> 8)\n  this[offset + 2] = (value >>> 16)\n  this[offset + 3] = (value >>> 24)\n  return offset + 4\n}\n\nBuffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n  if (value < 0) value = 0xffffffff + value + 1\n  this[offset] = (value >>> 24)\n  this[offset + 1] = (value >>> 16)\n  this[offset + 2] = (value >>> 8)\n  this[offset + 3] = (value & 0xff)\n  return offset + 4\n}\n\nfunction checkIEEE754 (buf, value, offset, ext, max, min) {\n  if (offset + ext > buf.length) throw new RangeError('Index out of range')\n  if (offset < 0) throw new RangeError('Index out of range')\n}\n\nfunction writeFloat (buf, value, offset, littleEndian, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) {\n    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)\n  }\n  ieee754.write(buf, value, offset, littleEndian, 23, 4)\n  return offset + 4\n}\n\nBuffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {\n  return writeFloat(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {\n  return writeFloat(this, value, offset, false, noAssert)\n}\n\nfunction writeDouble (buf, value, offset, littleEndian, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) {\n    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)\n  }\n  ieee754.write(buf, value, offset, littleEndian, 52, 8)\n  return offset + 8\n}\n\nBuffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {\n  return writeDouble(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {\n  return writeDouble(this, value, offset, false, noAssert)\n}\n\n// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)\nBuffer.prototype.copy = function copy (target, targetStart, start, end) {\n  if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer')\n  if (!start) start = 0\n  if (!end && end !== 0) end = this.length\n  if (targetStart >= target.length) targetStart = target.length\n  if (!targetStart) targetStart = 0\n  if (end > 0 && end < start) end = start\n\n  // Copy 0 bytes; we're done\n  if (end === start) return 0\n  if (target.length === 0 || this.length === 0) return 0\n\n  // Fatal error conditions\n  if (targetStart < 0) {\n    throw new RangeError('targetStart out of bounds')\n  }\n  if (start < 0 || start >= this.length) throw new RangeError('Index out of range')\n  if (end < 0) throw new RangeError('sourceEnd out of bounds')\n\n  // Are we oob?\n  if (end > this.length) end = this.length\n  if (target.length - targetStart < end - start) {\n    end = target.length - targetStart + start\n  }\n\n  var len = end - start\n\n  if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {\n    // Use built-in when available, missing from IE11\n    this.copyWithin(targetStart, start, end)\n  } else {\n    Uint8Array.prototype.set.call(\n      target,\n      this.subarray(start, end),\n      targetStart\n    )\n  }\n\n  return len\n}\n\n// Usage:\n//    buffer.fill(number[, offset[, end]])\n//    buffer.fill(buffer[, offset[, end]])\n//    buffer.fill(string[, offset[, end]][, encoding])\nBuffer.prototype.fill = function fill (val, start, end, encoding) {\n  // Handle string cases:\n  if (typeof val === 'string') {\n    if (typeof start === 'string') {\n      encoding = start\n      start = 0\n      end = this.length\n    } else if (typeof end === 'string') {\n      encoding = end\n      end = this.length\n    }\n    if (encoding !== undefined && typeof encoding !== 'string') {\n      throw new TypeError('encoding must be a string')\n    }\n    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {\n      throw new TypeError('Unknown encoding: ' + encoding)\n    }\n    if (val.length === 1) {\n      var code = val.charCodeAt(0)\n      if ((encoding === 'utf8' && code < 128) ||\n          encoding === 'latin1') {\n        // Fast path: If `val` fits into a single byte, use that numeric value.\n        val = code\n      }\n    }\n  } else if (typeof val === 'number') {\n    val = val & 255\n  } else if (typeof val === 'boolean') {\n    val = Number(val)\n  }\n\n  // Invalid ranges are not set to a default, so can range check early.\n  if (start < 0 || this.length < start || this.length < end) {\n    throw new RangeError('Out of range index')\n  }\n\n  if (end <= start) {\n    return this\n  }\n\n  start = start >>> 0\n  end = end === undefined ? this.length : end >>> 0\n\n  if (!val) val = 0\n\n  var i\n  if (typeof val === 'number') {\n    for (i = start; i < end; ++i) {\n      this[i] = val\n    }\n  } else {\n    var bytes = Buffer.isBuffer(val)\n      ? val\n      : Buffer.from(val, encoding)\n    var len = bytes.length\n    if (len === 0) {\n      throw new TypeError('The value \"' + val +\n        '\" is invalid for argument \"value\"')\n    }\n    for (i = 0; i < end - start; ++i) {\n      this[i + start] = bytes[i % len]\n    }\n  }\n\n  return this\n}\n\n// HELPER FUNCTIONS\n// ================\n\nvar INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g\n\nfunction base64clean (str) {\n  // Node takes equal signs as end of the Base64 encoding\n  str = str.split('=')[0]\n  // Node strips out invalid characters like \\n and \\t from the string, base64-js does not\n  str = str.trim().replace(INVALID_BASE64_RE, '')\n  // Node converts strings with length < 2 to ''\n  if (str.length < 2) return ''\n  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not\n  while (str.length % 4 !== 0) {\n    str = str + '='\n  }\n  return str\n}\n\nfunction utf8ToBytes (string, units) {\n  units = units || Infinity\n  var codePoint\n  var length = string.length\n  var leadSurrogate = null\n  var bytes = []\n\n  for (var i = 0; i < length; ++i) {\n    codePoint = string.charCodeAt(i)\n\n    // is surrogate component\n    if (codePoint > 0xD7FF && codePoint < 0xE000) {\n      // last char was a lead\n      if (!leadSurrogate) {\n        // no lead yet\n        if (codePoint > 0xDBFF) {\n          // unexpected trail\n          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n          continue\n        } else if (i + 1 === length) {\n          // unpaired lead\n          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n          continue\n        }\n\n        // valid lead\n        leadSurrogate = codePoint\n\n        continue\n      }\n\n      // 2 leads in a row\n      if (codePoint < 0xDC00) {\n        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n        leadSurrogate = codePoint\n        continue\n      }\n\n      // valid surrogate pair\n      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000\n    } else if (leadSurrogate) {\n      // valid bmp char, but last char was a lead\n      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)\n    }\n\n    leadSurrogate = null\n\n    // encode utf8\n    if (codePoint < 0x80) {\n      if ((units -= 1) < 0) break\n      bytes.push(codePoint)\n    } else if (codePoint < 0x800) {\n      if ((units -= 2) < 0) break\n      bytes.push(\n        codePoint >> 0x6 | 0xC0,\n        codePoint & 0x3F | 0x80\n      )\n    } else if (codePoint < 0x10000) {\n      if ((units -= 3) < 0) break\n      bytes.push(\n        codePoint >> 0xC | 0xE0,\n        codePoint >> 0x6 & 0x3F | 0x80,\n        codePoint & 0x3F | 0x80\n      )\n    } else if (codePoint < 0x110000) {\n      if ((units -= 4) < 0) break\n      bytes.push(\n        codePoint >> 0x12 | 0xF0,\n        codePoint >> 0xC & 0x3F | 0x80,\n        codePoint >> 0x6 & 0x3F | 0x80,\n        codePoint & 0x3F | 0x80\n      )\n    } else {\n      throw new Error('Invalid code point')\n    }\n  }\n\n  return bytes\n}\n\nfunction asciiToBytes (str) {\n  var byteArray = []\n  for (var i = 0; i < str.length; ++i) {\n    // Node's code seems to be doing this and not & 0x7F..\n    byteArray.push(str.charCodeAt(i) & 0xFF)\n  }\n  return byteArray\n}\n\nfunction utf16leToBytes (str, units) {\n  var c, hi, lo\n  var byteArray = []\n  for (var i = 0; i < str.length; ++i) {\n    if ((units -= 2) < 0) break\n\n    c = str.charCodeAt(i)\n    hi = c >> 8\n    lo = c % 256\n    byteArray.push(lo)\n    byteArray.push(hi)\n  }\n\n  return byteArray\n}\n\nfunction base64ToBytes (str) {\n  return base64.toByteArray(base64clean(str))\n}\n\nfunction blitBuffer (src, dst, offset, length) {\n  for (var i = 0; i < length; ++i) {\n    if ((i + offset >= dst.length) || (i >= src.length)) break\n    dst[i + offset] = src[i]\n  }\n  return i\n}\n\n// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass\n// the `instanceof` check but they should be treated as of that type.\n// See: https://github.com/feross/buffer/issues/166\nfunction isInstance (obj, type) {\n  return obj instanceof type ||\n    (obj != null && obj.constructor != null && obj.constructor.name != null &&\n      obj.constructor.name === type.name)\n}\nfunction numberIsNaN (obj) {\n  // For IE11 support\n  return obj !== obj // eslint-disable-line no-self-compare\n}\n\n// Create lookup table for `toString('hex')`\n// See: https://github.com/feross/buffer/issues/219\nvar hexSliceLookupTable = (function () {\n  var alphabet = '0123456789abcdef'\n  var table = new Array(256)\n  for (var i = 0; i < 16; ++i) {\n    var i16 = i * 16\n    for (var j = 0; j < 16; ++j) {\n      table[i16 + j] = alphabet[i] + alphabet[j]\n    }\n  }\n  return table\n})()\n","/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n    extendStatics = Object.setPrototypeOf ||\r\n        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n    return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n    extendStatics(d, b);\r\n    function __() { this.constructor = d; }\r\n    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n    __assign = Object.assign || function __assign(t) {\r\n        for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n            s = arguments[i];\r\n            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n        }\r\n        return t;\r\n    }\r\n    return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n    var t = {};\r\n    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n        t[p] = s[p];\r\n    if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n                t[p[i]] = s[p[i]];\r\n        }\r\n    return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n    if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n    return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n    return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n    if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n    return new (P || (P = Promise))(function (resolve, reject) {\r\n        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n        function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n        step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n    });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n    return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n    function verb(n) { return function (v) { return step([n, v]); }; }\r\n    function step(op) {\r\n        if (f) throw new TypeError(\"Generator is already executing.\");\r\n        while (_) try {\r\n            if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n            if (y = 0, t) op = [op[0] & 2, t.value];\r\n            switch (op[0]) {\r\n                case 0: case 1: t = op; break;\r\n                case 4: _.label++; return { value: op[1], done: false };\r\n                case 5: _.label++; y = op[1]; op = [0]; continue;\r\n                case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n                default:\r\n                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n                    if (t[2]) _.ops.pop();\r\n                    _.trys.pop(); continue;\r\n            }\r\n            op = body.call(thisArg, _);\r\n        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n    }\r\n}\r\n\r\nexport function __createBinding(o, m, k, k2) {\r\n    if (k2 === undefined) k2 = k;\r\n    o[k2] = m[k];\r\n}\r\n\r\nexport function __exportStar(m, exports) {\r\n    for (var p in m) if (p !== \"default\" && !exports.hasOwnProperty(p)) exports[p] = m[p];\r\n}\r\n\r\nexport function __values(o) {\r\n    var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n    if (m) return m.call(o);\r\n    if (o && typeof o.length === \"number\") return {\r\n        next: function () {\r\n            if (o && i >= o.length) o = void 0;\r\n            return { value: o && o[i++], done: !o };\r\n        }\r\n    };\r\n    throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n    var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n    if (!m) return o;\r\n    var i = m.call(o), r, ar = [], e;\r\n    try {\r\n        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n    }\r\n    catch (error) { e = { error: error }; }\r\n    finally {\r\n        try {\r\n            if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n        }\r\n        finally { if (e) throw e.error; }\r\n    }\r\n    return ar;\r\n}\r\n\r\nexport function __spread() {\r\n    for (var ar = [], i = 0; i < arguments.length; i++)\r\n        ar = ar.concat(__read(arguments[i]));\r\n    return ar;\r\n}\r\n\r\nexport function __spreadArrays() {\r\n    for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n    for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n        for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n            r[k] = a[j];\r\n    return r;\r\n};\r\n\r\nexport function __await(v) {\r\n    return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n    if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n    var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n    return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n    function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n    function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n    function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n    function fulfill(value) { resume(\"next\", value); }\r\n    function reject(value) { resume(\"throw\", value); }\r\n    function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n    var i, p;\r\n    return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n    function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n    if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n    var m = o[Symbol.asyncIterator], i;\r\n    return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), 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\ No newline at end of file
diff --git a/node_modules/bson/dist/bson.bundle.js b/node_modules/bson/dist/bson.bundle.js
new file mode 100644
index 000000000..78f86cc0c
--- /dev/null
+++ b/node_modules/bson/dist/bson.bundle.js
@@ -0,0 +1,7536 @@
+var BSON = (function (exports) {
+	'use strict';
+
+	function createCommonjsModule(fn, module) {
+		return module = { exports: {} }, fn(module, module.exports), module.exports;
+	}
+
+	var byteLength_1 = byteLength;
+	var toByteArray_1 = toByteArray;
+	var fromByteArray_1 = fromByteArray;
+	var lookup = [];
+	var revLookup = [];
+	var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array;
+	var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+
+	for (var i = 0, len = code.length; i < len; ++i) {
+	  lookup[i] = code[i];
+	  revLookup[code.charCodeAt(i)] = i;
+	} // Support decoding URL-safe base64 strings, as Node.js does.
+	// See: https://en.wikipedia.org/wiki/Base64#URL_applications
+
+
+	revLookup['-'.charCodeAt(0)] = 62;
+	revLookup['_'.charCodeAt(0)] = 63;
+
+	function getLens(b64) {
+	  var len = b64.length;
+
+	  if (len % 4 > 0) {
+	    throw new Error('Invalid string. Length must be a multiple of 4');
+	  } // Trim off extra bytes after placeholder bytes are found
+	  // See: https://github.com/beatgammit/base64-js/issues/42
+
+
+	  var validLen = b64.indexOf('=');
+	  if (validLen === -1) validLen = len;
+	  var placeHoldersLen = validLen === len ? 0 : 4 - validLen % 4;
+	  return [validLen, placeHoldersLen];
+	} // base64 is 4/3 + up to two characters of the original data
+
+
+	function byteLength(b64) {
+	  var lens = getLens(b64);
+	  var validLen = lens[0];
+	  var placeHoldersLen = lens[1];
+	  return (validLen + placeHoldersLen) * 3 / 4 - placeHoldersLen;
+	}
+
+	function _byteLength(b64, validLen, placeHoldersLen) {
+	  return (validLen + placeHoldersLen) * 3 / 4 - placeHoldersLen;
+	}
+
+	function toByteArray(b64) {
+	  var tmp;
+	  var lens = getLens(b64);
+	  var validLen = lens[0];
+	  var placeHoldersLen = lens[1];
+	  var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen));
+	  var curByte = 0; // if there are placeholders, only get up to the last complete 4 chars
+
+	  var len = placeHoldersLen > 0 ? validLen - 4 : validLen;
+	  var i;
+
+	  for (i = 0; i < len; i += 4) {
+	    tmp = revLookup[b64.charCodeAt(i)] << 18 | revLookup[b64.charCodeAt(i + 1)] << 12 | revLookup[b64.charCodeAt(i + 2)] << 6 | revLookup[b64.charCodeAt(i + 3)];
+	    arr[curByte++] = tmp >> 16 & 0xFF;
+	    arr[curByte++] = tmp >> 8 & 0xFF;
+	    arr[curByte++] = tmp & 0xFF;
+	  }
+
+	  if (placeHoldersLen === 2) {
+	    tmp = revLookup[b64.charCodeAt(i)] << 2 | revLookup[b64.charCodeAt(i + 1)] >> 4;
+	    arr[curByte++] = tmp & 0xFF;
+	  }
+
+	  if (placeHoldersLen === 1) {
+	    tmp = revLookup[b64.charCodeAt(i)] << 10 | revLookup[b64.charCodeAt(i + 1)] << 4 | revLookup[b64.charCodeAt(i + 2)] >> 2;
+	    arr[curByte++] = tmp >> 8 & 0xFF;
+	    arr[curByte++] = tmp & 0xFF;
+	  }
+
+	  return arr;
+	}
+
+	function tripletToBase64(num) {
+	  return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F];
+	}
+
+	function encodeChunk(uint8, start, end) {
+	  var tmp;
+	  var output = [];
+
+	  for (var i = start; i < end; i += 3) {
+	    tmp = (uint8[i] << 16 & 0xFF0000) + (uint8[i + 1] << 8 & 0xFF00) + (uint8[i + 2] & 0xFF);
+	    output.push(tripletToBase64(tmp));
+	  }
+
+	  return output.join('');
+	}
+
+	function fromByteArray(uint8) {
+	  var tmp;
+	  var len = uint8.length;
+	  var extraBytes = len % 3; // if we have 1 byte left, pad 2 bytes
+
+	  var parts = [];
+	  var maxChunkLength = 16383; // must be multiple of 3
+	  // go through the array every three bytes, we'll deal with trailing stuff later
+
+	  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+	    parts.push(encodeChunk(uint8, i, i + maxChunkLength > len2 ? len2 : i + maxChunkLength));
+	  } // pad the end with zeros, but make sure to not forget the extra bytes
+
+
+	  if (extraBytes === 1) {
+	    tmp = uint8[len - 1];
+	    parts.push(lookup[tmp >> 2] + lookup[tmp << 4 & 0x3F] + '==');
+	  } else if (extraBytes === 2) {
+	    tmp = (uint8[len - 2] << 8) + uint8[len - 1];
+	    parts.push(lookup[tmp >> 10] + lookup[tmp >> 4 & 0x3F] + lookup[tmp << 2 & 0x3F] + '=');
+	  }
+
+	  return parts.join('');
+	}
+
+	var base64Js = {
+	  byteLength: byteLength_1,
+	  toByteArray: toByteArray_1,
+	  fromByteArray: fromByteArray_1
+	};
+
+	/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */
+	var read = function read(buffer, offset, isLE, mLen, nBytes) {
+	  var e, m;
+	  var eLen = nBytes * 8 - mLen - 1;
+	  var eMax = (1 << eLen) - 1;
+	  var eBias = eMax >> 1;
+	  var nBits = -7;
+	  var i = isLE ? nBytes - 1 : 0;
+	  var d = isLE ? -1 : 1;
+	  var s = buffer[offset + i];
+	  i += d;
+	  e = s & (1 << -nBits) - 1;
+	  s >>= -nBits;
+	  nBits += eLen;
+
+	  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+	  m = e & (1 << -nBits) - 1;
+	  e >>= -nBits;
+	  nBits += mLen;
+
+	  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
+
+	  if (e === 0) {
+	    e = 1 - eBias;
+	  } else if (e === eMax) {
+	    return m ? NaN : (s ? -1 : 1) * Infinity;
+	  } else {
+	    m = m + Math.pow(2, mLen);
+	    e = e - eBias;
+	  }
+
+	  return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
+	};
+
+	var write = function write(buffer, value, offset, isLE, mLen, nBytes) {
+	  var e, m, c;
+	  var eLen = nBytes * 8 - mLen - 1;
+	  var eMax = (1 << eLen) - 1;
+	  var eBias = eMax >> 1;
+	  var rt = mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0;
+	  var i = isLE ? 0 : nBytes - 1;
+	  var d = isLE ? 1 : -1;
+	  var s = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0;
+	  value = Math.abs(value);
+
+	  if (isNaN(value) || value === Infinity) {
+	    m = isNaN(value) ? 1 : 0;
+	    e = eMax;
+	  } else {
+	    e = Math.floor(Math.log(value) / Math.LN2);
+
+	    if (value * (c = Math.pow(2, -e)) < 1) {
+	      e--;
+	      c *= 2;
+	    }
+
+	    if (e + eBias >= 1) {
+	      value += rt / c;
+	    } else {
+	      value += rt * Math.pow(2, 1 - eBias);
+	    }
+
+	    if (value * c >= 2) {
+	      e++;
+	      c /= 2;
+	    }
+
+	    if (e + eBias >= eMax) {
+	      m = 0;
+	      e = eMax;
+	    } else if (e + eBias >= 1) {
+	      m = (value * c - 1) * Math.pow(2, mLen);
+	      e = e + eBias;
+	    } else {
+	      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
+	      e = 0;
+	    }
+	  }
+
+	  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+	  e = e << mLen | m;
+	  eLen += mLen;
+
+	  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+	  buffer[offset + i - d] |= s * 128;
+	};
+
+	var ieee754 = {
+	  read: read,
+	  write: write
+	};
+
+	var buffer$1 = createCommonjsModule(function (module, exports) {
+
+	  var customInspectSymbol = typeof Symbol === 'function' && typeof Symbol['for'] === 'function' ? // eslint-disable-line dot-notation
+	  Symbol['for']('nodejs.util.inspect.custom') // eslint-disable-line dot-notation
+	  : null;
+	  exports.Buffer = Buffer;
+	  exports.SlowBuffer = SlowBuffer;
+	  exports.INSPECT_MAX_BYTES = 50;
+	  var K_MAX_LENGTH = 0x7fffffff;
+	  exports.kMaxLength = K_MAX_LENGTH;
+	  /**
+	   * If `Buffer.TYPED_ARRAY_SUPPORT`:
+	   *   === true    Use Uint8Array implementation (fastest)
+	   *   === false   Print warning and recommend using `buffer` v4.x which has an Object
+	   *               implementation (most compatible, even IE6)
+	   *
+	   * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+	   * Opera 11.6+, iOS 4.2+.
+	   *
+	   * We report that the browser does not support typed arrays if the are not subclassable
+	   * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
+	   * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
+	   * for __proto__ and has a buggy typed array implementation.
+	   */
+
+	  Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport();
+
+	  if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' && typeof console.error === 'function') {
+	    console.error('This browser lacks typed array (Uint8Array) support which is required by ' + '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.');
+	  }
+
+	  function typedArraySupport() {
+	    // Can typed array instances can be augmented?
+	    try {
+	      var arr = new Uint8Array(1);
+	      var proto = {
+	        foo: function foo() {
+	          return 42;
+	        }
+	      };
+	      Object.setPrototypeOf(proto, Uint8Array.prototype);
+	      Object.setPrototypeOf(arr, proto);
+	      return arr.foo() === 42;
+	    } catch (e) {
+	      return false;
+	    }
+	  }
+
+	  Object.defineProperty(Buffer.prototype, 'parent', {
+	    enumerable: true,
+	    get: function get() {
+	      if (!Buffer.isBuffer(this)) return undefined;
+	      return this.buffer;
+	    }
+	  });
+	  Object.defineProperty(Buffer.prototype, 'offset', {
+	    enumerable: true,
+	    get: function get() {
+	      if (!Buffer.isBuffer(this)) return undefined;
+	      return this.byteOffset;
+	    }
+	  });
+
+	  function createBuffer(length) {
+	    if (length > K_MAX_LENGTH) {
+	      throw new RangeError('The value "' + length + '" is invalid for option "size"');
+	    } // Return an augmented `Uint8Array` instance
+
+
+	    var buf = new Uint8Array(length);
+	    Object.setPrototypeOf(buf, Buffer.prototype);
+	    return buf;
+	  }
+	  /**
+	   * The Buffer constructor returns instances of `Uint8Array` that have their
+	   * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+	   * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+	   * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+	   * returns a single octet.
+	   *
+	   * The `Uint8Array` prototype remains unmodified.
+	   */
+
+
+	  function Buffer(arg, encodingOrOffset, length) {
+	    // Common case.
+	    if (typeof arg === 'number') {
+	      if (typeof encodingOrOffset === 'string') {
+	        throw new TypeError('The "string" argument must be of type string. Received type number');
+	      }
+
+	      return allocUnsafe(arg);
+	    }
+
+	    return from(arg, encodingOrOffset, length);
+	  }
+
+	  Buffer.poolSize = 8192; // not used by this implementation
+
+	  function from(value, encodingOrOffset, length) {
+	    if (typeof value === 'string') {
+	      return fromString(value, encodingOrOffset);
+	    }
+
+	    if (ArrayBuffer.isView(value)) {
+	      return fromArrayView(value);
+	    }
+
+	    if (value == null) {
+	      throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + 'or Array-like Object. Received type ' + babelHelpers["typeof"](value));
+	    }
+
+	    if (isInstance(value, ArrayBuffer) || value && isInstance(value.buffer, ArrayBuffer)) {
+	      return fromArrayBuffer(value, encodingOrOffset, length);
+	    }
+
+	    if (typeof SharedArrayBuffer !== 'undefined' && (isInstance(value, SharedArrayBuffer) || value && isInstance(value.buffer, SharedArrayBuffer))) {
+	      return fromArrayBuffer(value, encodingOrOffset, length);
+	    }
+
+	    if (typeof value === 'number') {
+	      throw new TypeError('The "value" argument must not be of type number. Received type number');
+	    }
+
+	    var valueOf = value.valueOf && value.valueOf();
+
+	    if (valueOf != null && valueOf !== value) {
+	      return Buffer.from(valueOf, encodingOrOffset, length);
+	    }
+
+	    var b = fromObject(value);
+	    if (b) return b;
+
+	    if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null && typeof value[Symbol.toPrimitive] === 'function') {
+	      return Buffer.from(value[Symbol.toPrimitive]('string'), encodingOrOffset, length);
+	    }
+
+	    throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' + 'or Array-like Object. Received type ' + babelHelpers["typeof"](value));
+	  }
+	  /**
+	   * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+	   * if value is a number.
+	   * Buffer.from(str[, encoding])
+	   * Buffer.from(array)
+	   * Buffer.from(buffer)
+	   * Buffer.from(arrayBuffer[, byteOffset[, length]])
+	   **/
+
+
+	  Buffer.from = function (value, encodingOrOffset, length) {
+	    return from(value, encodingOrOffset, length);
+	  }; // Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
+	  // https://github.com/feross/buffer/pull/148
+
+
+	  Object.setPrototypeOf(Buffer.prototype, Uint8Array.prototype);
+	  Object.setPrototypeOf(Buffer, Uint8Array);
+
+	  function assertSize(size) {
+	    if (typeof size !== 'number') {
+	      throw new TypeError('"size" argument must be of type number');
+	    } else if (size < 0) {
+	      throw new RangeError('The value "' + size + '" is invalid for option "size"');
+	    }
+	  }
+
+	  function alloc(size, fill, encoding) {
+	    assertSize(size);
+
+	    if (size <= 0) {
+	      return createBuffer(size);
+	    }
+
+	    if (fill !== undefined) {
+	      // Only pay attention to encoding if it's a string. This
+	      // prevents accidentally sending in a number that would
+	      // be interpreted as a start offset.
+	      return typeof encoding === 'string' ? createBuffer(size).fill(fill, encoding) : createBuffer(size).fill(fill);
+	    }
+
+	    return createBuffer(size);
+	  }
+	  /**
+	   * Creates a new filled Buffer instance.
+	   * alloc(size[, fill[, encoding]])
+	   **/
+
+
+	  Buffer.alloc = function (size, fill, encoding) {
+	    return alloc(size, fill, encoding);
+	  };
+
+	  function allocUnsafe(size) {
+	    assertSize(size);
+	    return createBuffer(size < 0 ? 0 : checked(size) | 0);
+	  }
+	  /**
+	   * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+	   * */
+
+
+	  Buffer.allocUnsafe = function (size) {
+	    return allocUnsafe(size);
+	  };
+	  /**
+	   * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+	   */
+
+
+	  Buffer.allocUnsafeSlow = function (size) {
+	    return allocUnsafe(size);
+	  };
+
+	  function fromString(string, encoding) {
+	    if (typeof encoding !== 'string' || encoding === '') {
+	      encoding = 'utf8';
+	    }
+
+	    if (!Buffer.isEncoding(encoding)) {
+	      throw new TypeError('Unknown encoding: ' + encoding);
+	    }
+
+	    var length = byteLength(string, encoding) | 0;
+	    var buf = createBuffer(length);
+	    var actual = buf.write(string, encoding);
+
+	    if (actual !== length) {
+	      // Writing a hex string, for example, that contains invalid characters will
+	      // cause everything after the first invalid character to be ignored. (e.g.
+	      // 'abxxcd' will be treated as 'ab')
+	      buf = buf.slice(0, actual);
+	    }
+
+	    return buf;
+	  }
+
+	  function fromArrayLike(array) {
+	    var length = array.length < 0 ? 0 : checked(array.length) | 0;
+	    var buf = createBuffer(length);
+
+	    for (var i = 0; i < length; i += 1) {
+	      buf[i] = array[i] & 255;
+	    }
+
+	    return buf;
+	  }
+
+	  function fromArrayView(arrayView) {
+	    if (isInstance(arrayView, Uint8Array)) {
+	      var copy = new Uint8Array(arrayView);
+	      return fromArrayBuffer(copy.buffer, copy.byteOffset, copy.byteLength);
+	    }
+
+	    return fromArrayLike(arrayView);
+	  }
+
+	  function fromArrayBuffer(array, byteOffset, length) {
+	    if (byteOffset < 0 || array.byteLength < byteOffset) {
+	      throw new RangeError('"offset" is outside of buffer bounds');
+	    }
+
+	    if (array.byteLength < byteOffset + (length || 0)) {
+	      throw new RangeError('"length" is outside of buffer bounds');
+	    }
+
+	    var buf;
+
+	    if (byteOffset === undefined && length === undefined) {
+	      buf = new Uint8Array(array);
+	    } else if (length === undefined) {
+	      buf = new Uint8Array(array, byteOffset);
+	    } else {
+	      buf = new Uint8Array(array, byteOffset, length);
+	    } // Return an augmented `Uint8Array` instance
+
+
+	    Object.setPrototypeOf(buf, Buffer.prototype);
+	    return buf;
+	  }
+
+	  function fromObject(obj) {
+	    if (Buffer.isBuffer(obj)) {
+	      var len = checked(obj.length) | 0;
+	      var buf = createBuffer(len);
+
+	      if (buf.length === 0) {
+	        return buf;
+	      }
+
+	      obj.copy(buf, 0, 0, len);
+	      return buf;
+	    }
+
+	    if (obj.length !== undefined) {
+	      if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
+	        return createBuffer(0);
+	      }
+
+	      return fromArrayLike(obj);
+	    }
+
+	    if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
+	      return fromArrayLike(obj.data);
+	    }
+	  }
+
+	  function checked(length) {
+	    // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
+	    // length is NaN (which is otherwise coerced to zero.)
+	    if (length >= K_MAX_LENGTH) {
+	      throw new RangeError('Attempt to allocate Buffer larger than maximum ' + 'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes');
+	    }
+
+	    return length | 0;
+	  }
+
+	  function SlowBuffer(length) {
+	    if (+length != length) {
+	      // eslint-disable-line eqeqeq
+	      length = 0;
+	    }
+
+	    return Buffer.alloc(+length);
+	  }
+
+	  Buffer.isBuffer = function isBuffer(b) {
+	    return b != null && b._isBuffer === true && b !== Buffer.prototype; // so Buffer.isBuffer(Buffer.prototype) will be false
+	  };
+
+	  Buffer.compare = function compare(a, b) {
+	    if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength);
+	    if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength);
+
+	    if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
+	      throw new TypeError('The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array');
+	    }
+
+	    if (a === b) return 0;
+	    var x = a.length;
+	    var y = b.length;
+
+	    for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+	      if (a[i] !== b[i]) {
+	        x = a[i];
+	        y = b[i];
+	        break;
+	      }
+	    }
+
+	    if (x < y) return -1;
+	    if (y < x) return 1;
+	    return 0;
+	  };
+
+	  Buffer.isEncoding = function isEncoding(encoding) {
+	    switch (String(encoding).toLowerCase()) {
+	      case 'hex':
+	      case 'utf8':
+	      case 'utf-8':
+	      case 'ascii':
+	      case 'latin1':
+	      case 'binary':
+	      case 'base64':
+	      case 'ucs2':
+	      case 'ucs-2':
+	      case 'utf16le':
+	      case 'utf-16le':
+	        return true;
+
+	      default:
+	        return false;
+	    }
+	  };
+
+	  Buffer.concat = function concat(list, length) {
+	    if (!Array.isArray(list)) {
+	      throw new TypeError('"list" argument must be an Array of Buffers');
+	    }
+
+	    if (list.length === 0) {
+	      return Buffer.alloc(0);
+	    }
+
+	    var i;
+
+	    if (length === undefined) {
+	      length = 0;
+
+	      for (i = 0; i < list.length; ++i) {
+	        length += list[i].length;
+	      }
+	    }
+
+	    var buffer = Buffer.allocUnsafe(length);
+	    var pos = 0;
+
+	    for (i = 0; i < list.length; ++i) {
+	      var buf = list[i];
+
+	      if (isInstance(buf, Uint8Array)) {
+	        if (pos + buf.length > buffer.length) {
+	          Buffer.from(buf).copy(buffer, pos);
+	        } else {
+	          Uint8Array.prototype.set.call(buffer, buf, pos);
+	        }
+	      } else if (!Buffer.isBuffer(buf)) {
+	        throw new TypeError('"list" argument must be an Array of Buffers');
+	      } else {
+	        buf.copy(buffer, pos);
+	      }
+
+	      pos += buf.length;
+	    }
+
+	    return buffer;
+	  };
+
+	  function byteLength(string, encoding) {
+	    if (Buffer.isBuffer(string)) {
+	      return string.length;
+	    }
+
+	    if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {
+	      return string.byteLength;
+	    }
+
+	    if (typeof string !== 'string') {
+	      throw new TypeError('The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' + 'Received type ' + babelHelpers["typeof"](string));
+	    }
+
+	    var len = string.length;
+	    var mustMatch = arguments.length > 2 && arguments[2] === true;
+	    if (!mustMatch && len === 0) return 0; // Use a for loop to avoid recursion
+
+	    var loweredCase = false;
+
+	    for (;;) {
+	      switch (encoding) {
+	        case 'ascii':
+	        case 'latin1':
+	        case 'binary':
+	          return len;
+
+	        case 'utf8':
+	        case 'utf-8':
+	          return utf8ToBytes(string).length;
+
+	        case 'ucs2':
+	        case 'ucs-2':
+	        case 'utf16le':
+	        case 'utf-16le':
+	          return len * 2;
+
+	        case 'hex':
+	          return len >>> 1;
+
+	        case 'base64':
+	          return base64ToBytes(string).length;
+
+	        default:
+	          if (loweredCase) {
+	            return mustMatch ? -1 : utf8ToBytes(string).length; // assume utf8
+	          }
+
+	          encoding = ('' + encoding).toLowerCase();
+	          loweredCase = true;
+	      }
+	    }
+	  }
+
+	  Buffer.byteLength = byteLength;
+
+	  function slowToString(encoding, start, end) {
+	    var loweredCase = false; // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+	    // property of a typed array.
+	    // This behaves neither like String nor Uint8Array in that we set start/end
+	    // to their upper/lower bounds if the value passed is out of range.
+	    // undefined is handled specially as per ECMA-262 6th Edition,
+	    // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+
+	    if (start === undefined || start < 0) {
+	      start = 0;
+	    } // Return early if start > this.length. Done here to prevent potential uint32
+	    // coercion fail below.
+
+
+	    if (start > this.length) {
+	      return '';
+	    }
+
+	    if (end === undefined || end > this.length) {
+	      end = this.length;
+	    }
+
+	    if (end <= 0) {
+	      return '';
+	    } // Force coercion to uint32. This will also coerce falsey/NaN values to 0.
+
+
+	    end >>>= 0;
+	    start >>>= 0;
+
+	    if (end <= start) {
+	      return '';
+	    }
+
+	    if (!encoding) encoding = 'utf8';
+
+	    while (true) {
+	      switch (encoding) {
+	        case 'hex':
+	          return hexSlice(this, start, end);
+
+	        case 'utf8':
+	        case 'utf-8':
+	          return utf8Slice(this, start, end);
+
+	        case 'ascii':
+	          return asciiSlice(this, start, end);
+
+	        case 'latin1':
+	        case 'binary':
+	          return latin1Slice(this, start, end);
+
+	        case 'base64':
+	          return base64Slice(this, start, end);
+
+	        case 'ucs2':
+	        case 'ucs-2':
+	        case 'utf16le':
+	        case 'utf-16le':
+	          return utf16leSlice(this, start, end);
+
+	        default:
+	          if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
+	          encoding = (encoding + '').toLowerCase();
+	          loweredCase = true;
+	      }
+	    }
+	  } // This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
+	  // to detect a Buffer instance. It's not possible to use `instanceof Buffer`
+	  // reliably in a browserify context because there could be multiple different
+	  // copies of the 'buffer' package in use. This method works even for Buffer
+	  // instances that were created from another copy of the `buffer` package.
+	  // See: https://github.com/feross/buffer/issues/154
+
+
+	  Buffer.prototype._isBuffer = true;
+
+	  function swap(b, n, m) {
+	    var i = b[n];
+	    b[n] = b[m];
+	    b[m] = i;
+	  }
+
+	  Buffer.prototype.swap16 = function swap16() {
+	    var len = this.length;
+
+	    if (len % 2 !== 0) {
+	      throw new RangeError('Buffer size must be a multiple of 16-bits');
+	    }
+
+	    for (var i = 0; i < len; i += 2) {
+	      swap(this, i, i + 1);
+	    }
+
+	    return this;
+	  };
+
+	  Buffer.prototype.swap32 = function swap32() {
+	    var len = this.length;
+
+	    if (len % 4 !== 0) {
+	      throw new RangeError('Buffer size must be a multiple of 32-bits');
+	    }
+
+	    for (var i = 0; i < len; i += 4) {
+	      swap(this, i, i + 3);
+	      swap(this, i + 1, i + 2);
+	    }
+
+	    return this;
+	  };
+
+	  Buffer.prototype.swap64 = function swap64() {
+	    var len = this.length;
+
+	    if (len % 8 !== 0) {
+	      throw new RangeError('Buffer size must be a multiple of 64-bits');
+	    }
+
+	    for (var i = 0; i < len; i += 8) {
+	      swap(this, i, i + 7);
+	      swap(this, i + 1, i + 6);
+	      swap(this, i + 2, i + 5);
+	      swap(this, i + 3, i + 4);
+	    }
+
+	    return this;
+	  };
+
+	  Buffer.prototype.toString = function toString() {
+	    var length = this.length;
+	    if (length === 0) return '';
+	    if (arguments.length === 0) return utf8Slice(this, 0, length);
+	    return slowToString.apply(this, arguments);
+	  };
+
+	  Buffer.prototype.toLocaleString = Buffer.prototype.toString;
+
+	  Buffer.prototype.equals = function equals(b) {
+	    if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer');
+	    if (this === b) return true;
+	    return Buffer.compare(this, b) === 0;
+	  };
+
+	  Buffer.prototype.inspect = function inspect() {
+	    var str = '';
+	    var max = exports.INSPECT_MAX_BYTES;
+	    str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim();
+	    if (this.length > max) str += ' ... ';
+	    return '<Buffer ' + str + '>';
+	  };
+
+	  if (customInspectSymbol) {
+	    Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect;
+	  }
+
+	  Buffer.prototype.compare = function compare(target, start, end, thisStart, thisEnd) {
+	    if (isInstance(target, Uint8Array)) {
+	      target = Buffer.from(target, target.offset, target.byteLength);
+	    }
+
+	    if (!Buffer.isBuffer(target)) {
+	      throw new TypeError('The "target" argument must be one of type Buffer or Uint8Array. ' + 'Received type ' + babelHelpers["typeof"](target));
+	    }
+
+	    if (start === undefined) {
+	      start = 0;
+	    }
+
+	    if (end === undefined) {
+	      end = target ? target.length : 0;
+	    }
+
+	    if (thisStart === undefined) {
+	      thisStart = 0;
+	    }
+
+	    if (thisEnd === undefined) {
+	      thisEnd = this.length;
+	    }
+
+	    if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+	      throw new RangeError('out of range index');
+	    }
+
+	    if (thisStart >= thisEnd && start >= end) {
+	      return 0;
+	    }
+
+	    if (thisStart >= thisEnd) {
+	      return -1;
+	    }
+
+	    if (start >= end) {
+	      return 1;
+	    }
+
+	    start >>>= 0;
+	    end >>>= 0;
+	    thisStart >>>= 0;
+	    thisEnd >>>= 0;
+	    if (this === target) return 0;
+	    var x = thisEnd - thisStart;
+	    var y = end - start;
+	    var len = Math.min(x, y);
+	    var thisCopy = this.slice(thisStart, thisEnd);
+	    var targetCopy = target.slice(start, end);
+
+	    for (var i = 0; i < len; ++i) {
+	      if (thisCopy[i] !== targetCopy[i]) {
+	        x = thisCopy[i];
+	        y = targetCopy[i];
+	        break;
+	      }
+	    }
+
+	    if (x < y) return -1;
+	    if (y < x) return 1;
+	    return 0;
+	  }; // Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+	  // OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+	  //
+	  // Arguments:
+	  // - buffer - a Buffer to search
+	  // - val - a string, Buffer, or number
+	  // - byteOffset - an index into `buffer`; will be clamped to an int32
+	  // - encoding - an optional encoding, relevant is val is a string
+	  // - dir - true for indexOf, false for lastIndexOf
+
+
+	  function bidirectionalIndexOf(buffer, val, byteOffset, encoding, dir) {
+	    // Empty buffer means no match
+	    if (buffer.length === 0) return -1; // Normalize byteOffset
+
+	    if (typeof byteOffset === 'string') {
+	      encoding = byteOffset;
+	      byteOffset = 0;
+	    } else if (byteOffset > 0x7fffffff) {
+	      byteOffset = 0x7fffffff;
+	    } else if (byteOffset < -0x80000000) {
+	      byteOffset = -0x80000000;
+	    }
+
+	    byteOffset = +byteOffset; // Coerce to Number.
+
+	    if (numberIsNaN(byteOffset)) {
+	      // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+	      byteOffset = dir ? 0 : buffer.length - 1;
+	    } // Normalize byteOffset: negative offsets start from the end of the buffer
+
+
+	    if (byteOffset < 0) byteOffset = buffer.length + byteOffset;
+
+	    if (byteOffset >= buffer.length) {
+	      if (dir) return -1;else byteOffset = buffer.length - 1;
+	    } else if (byteOffset < 0) {
+	      if (dir) byteOffset = 0;else return -1;
+	    } // Normalize val
+
+
+	    if (typeof val === 'string') {
+	      val = Buffer.from(val, encoding);
+	    } // Finally, search either indexOf (if dir is true) or lastIndexOf
+
+
+	    if (Buffer.isBuffer(val)) {
+	      // Special case: looking for empty string/buffer always fails
+	      if (val.length === 0) {
+	        return -1;
+	      }
+
+	      return arrayIndexOf(buffer, val, byteOffset, encoding, dir);
+	    } else if (typeof val === 'number') {
+	      val = val & 0xFF; // Search for a byte value [0-255]
+
+	      if (typeof Uint8Array.prototype.indexOf === 'function') {
+	        if (dir) {
+	          return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset);
+	        } else {
+	          return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset);
+	        }
+	      }
+
+	      return arrayIndexOf(buffer, [val], byteOffset, encoding, dir);
+	    }
+
+	    throw new TypeError('val must be string, number or Buffer');
+	  }
+
+	  function arrayIndexOf(arr, val, byteOffset, encoding, dir) {
+	    var indexSize = 1;
+	    var arrLength = arr.length;
+	    var valLength = val.length;
+
+	    if (encoding !== undefined) {
+	      encoding = String(encoding).toLowerCase();
+
+	      if (encoding === 'ucs2' || encoding === 'ucs-2' || encoding === 'utf16le' || encoding === 'utf-16le') {
+	        if (arr.length < 2 || val.length < 2) {
+	          return -1;
+	        }
+
+	        indexSize = 2;
+	        arrLength /= 2;
+	        valLength /= 2;
+	        byteOffset /= 2;
+	      }
+	    }
+
+	    function read(buf, i) {
+	      if (indexSize === 1) {
+	        return buf[i];
+	      } else {
+	        return buf.readUInt16BE(i * indexSize);
+	      }
+	    }
+
+	    var i;
+
+	    if (dir) {
+	      var foundIndex = -1;
+
+	      for (i = byteOffset; i < arrLength; i++) {
+	        if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+	          if (foundIndex === -1) foundIndex = i;
+	          if (i - foundIndex + 1 === valLength) return foundIndex * indexSize;
+	        } else {
+	          if (foundIndex !== -1) i -= i - foundIndex;
+	          foundIndex = -1;
+	        }
+	      }
+	    } else {
+	      if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength;
+
+	      for (i = byteOffset; i >= 0; i--) {
+	        var found = true;
+
+	        for (var j = 0; j < valLength; j++) {
+	          if (read(arr, i + j) !== read(val, j)) {
+	            found = false;
+	            break;
+	          }
+	        }
+
+	        if (found) return i;
+	      }
+	    }
+
+	    return -1;
+	  }
+
+	  Buffer.prototype.includes = function includes(val, byteOffset, encoding) {
+	    return this.indexOf(val, byteOffset, encoding) !== -1;
+	  };
+
+	  Buffer.prototype.indexOf = function indexOf(val, byteOffset, encoding) {
+	    return bidirectionalIndexOf(this, val, byteOffset, encoding, true);
+	  };
+
+	  Buffer.prototype.lastIndexOf = function lastIndexOf(val, byteOffset, encoding) {
+	    return bidirectionalIndexOf(this, val, byteOffset, encoding, false);
+	  };
+
+	  function hexWrite(buf, string, offset, length) {
+	    offset = Number(offset) || 0;
+	    var remaining = buf.length - offset;
+
+	    if (!length) {
+	      length = remaining;
+	    } else {
+	      length = Number(length);
+
+	      if (length > remaining) {
+	        length = remaining;
+	      }
+	    }
+
+	    var strLen = string.length;
+
+	    if (length > strLen / 2) {
+	      length = strLen / 2;
+	    }
+
+	    for (var i = 0; i < length; ++i) {
+	      var parsed = parseInt(string.substr(i * 2, 2), 16);
+	      if (numberIsNaN(parsed)) return i;
+	      buf[offset + i] = parsed;
+	    }
+
+	    return i;
+	  }
+
+	  function utf8Write(buf, string, offset, length) {
+	    return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length);
+	  }
+
+	  function asciiWrite(buf, string, offset, length) {
+	    return blitBuffer(asciiToBytes(string), buf, offset, length);
+	  }
+
+	  function base64Write(buf, string, offset, length) {
+	    return blitBuffer(base64ToBytes(string), buf, offset, length);
+	  }
+
+	  function ucs2Write(buf, string, offset, length) {
+	    return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length);
+	  }
+
+	  Buffer.prototype.write = function write(string, offset, length, encoding) {
+	    // Buffer#write(string)
+	    if (offset === undefined) {
+	      encoding = 'utf8';
+	      length = this.length;
+	      offset = 0; // Buffer#write(string, encoding)
+	    } else if (length === undefined && typeof offset === 'string') {
+	      encoding = offset;
+	      length = this.length;
+	      offset = 0; // Buffer#write(string, offset[, length][, encoding])
+	    } else if (isFinite(offset)) {
+	      offset = offset >>> 0;
+
+	      if (isFinite(length)) {
+	        length = length >>> 0;
+	        if (encoding === undefined) encoding = 'utf8';
+	      } else {
+	        encoding = length;
+	        length = undefined;
+	      }
+	    } else {
+	      throw new Error('Buffer.write(string, encoding, offset[, length]) is no longer supported');
+	    }
+
+	    var remaining = this.length - offset;
+	    if (length === undefined || length > remaining) length = remaining;
+
+	    if (string.length > 0 && (length < 0 || offset < 0) || offset > this.length) {
+	      throw new RangeError('Attempt to write outside buffer bounds');
+	    }
+
+	    if (!encoding) encoding = 'utf8';
+	    var loweredCase = false;
+
+	    for (;;) {
+	      switch (encoding) {
+	        case 'hex':
+	          return hexWrite(this, string, offset, length);
+
+	        case 'utf8':
+	        case 'utf-8':
+	          return utf8Write(this, string, offset, length);
+
+	        case 'ascii':
+	        case 'latin1':
+	        case 'binary':
+	          return asciiWrite(this, string, offset, length);
+
+	        case 'base64':
+	          // Warning: maxLength not taken into account in base64Write
+	          return base64Write(this, string, offset, length);
+
+	        case 'ucs2':
+	        case 'ucs-2':
+	        case 'utf16le':
+	        case 'utf-16le':
+	          return ucs2Write(this, string, offset, length);
+
+	        default:
+	          if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding);
+	          encoding = ('' + encoding).toLowerCase();
+	          loweredCase = true;
+	      }
+	    }
+	  };
+
+	  Buffer.prototype.toJSON = function toJSON() {
+	    return {
+	      type: 'Buffer',
+	      data: Array.prototype.slice.call(this._arr || this, 0)
+	    };
+	  };
+
+	  function base64Slice(buf, start, end) {
+	    if (start === 0 && end === buf.length) {
+	      return base64Js.fromByteArray(buf);
+	    } else {
+	      return base64Js.fromByteArray(buf.slice(start, end));
+	    }
+	  }
+
+	  function utf8Slice(buf, start, end) {
+	    end = Math.min(buf.length, end);
+	    var res = [];
+	    var i = start;
+
+	    while (i < end) {
+	      var firstByte = buf[i];
+	      var codePoint = null;
+	      var bytesPerSequence = firstByte > 0xEF ? 4 : firstByte > 0xDF ? 3 : firstByte > 0xBF ? 2 : 1;
+
+	      if (i + bytesPerSequence <= end) {
+	        var secondByte, thirdByte, fourthByte, tempCodePoint;
+
+	        switch (bytesPerSequence) {
+	          case 1:
+	            if (firstByte < 0x80) {
+	              codePoint = firstByte;
+	            }
+
+	            break;
+
+	          case 2:
+	            secondByte = buf[i + 1];
+
+	            if ((secondByte & 0xC0) === 0x80) {
+	              tempCodePoint = (firstByte & 0x1F) << 0x6 | secondByte & 0x3F;
+
+	              if (tempCodePoint > 0x7F) {
+	                codePoint = tempCodePoint;
+	              }
+	            }
+
+	            break;
+
+	          case 3:
+	            secondByte = buf[i + 1];
+	            thirdByte = buf[i + 2];
+
+	            if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+	              tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | thirdByte & 0x3F;
+
+	              if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+	                codePoint = tempCodePoint;
+	              }
+	            }
+
+	            break;
+
+	          case 4:
+	            secondByte = buf[i + 1];
+	            thirdByte = buf[i + 2];
+	            fourthByte = buf[i + 3];
+
+	            if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+	              tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | fourthByte & 0x3F;
+
+	              if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+	                codePoint = tempCodePoint;
+	              }
+	            }
+
+	        }
+	      }
+
+	      if (codePoint === null) {
+	        // we did not generate a valid codePoint so insert a
+	        // replacement char (U+FFFD) and advance only 1 byte
+	        codePoint = 0xFFFD;
+	        bytesPerSequence = 1;
+	      } else if (codePoint > 0xFFFF) {
+	        // encode to utf16 (surrogate pair dance)
+	        codePoint -= 0x10000;
+	        res.push(codePoint >>> 10 & 0x3FF | 0xD800);
+	        codePoint = 0xDC00 | codePoint & 0x3FF;
+	      }
+
+	      res.push(codePoint);
+	      i += bytesPerSequence;
+	    }
+
+	    return decodeCodePointsArray(res);
+	  } // Based on http://stackoverflow.com/a/22747272/680742, the browser with
+	  // the lowest limit is Chrome, with 0x10000 args.
+	  // We go 1 magnitude less, for safety
+
+
+	  var MAX_ARGUMENTS_LENGTH = 0x1000;
+
+	  function decodeCodePointsArray(codePoints) {
+	    var len = codePoints.length;
+
+	    if (len <= MAX_ARGUMENTS_LENGTH) {
+	      return String.fromCharCode.apply(String, codePoints); // avoid extra slice()
+	    } // Decode in chunks to avoid "call stack size exceeded".
+
+
+	    var res = '';
+	    var i = 0;
+
+	    while (i < len) {
+	      res += String.fromCharCode.apply(String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH));
+	    }
+
+	    return res;
+	  }
+
+	  function asciiSlice(buf, start, end) {
+	    var ret = '';
+	    end = Math.min(buf.length, end);
+
+	    for (var i = start; i < end; ++i) {
+	      ret += String.fromCharCode(buf[i] & 0x7F);
+	    }
+
+	    return ret;
+	  }
+
+	  function latin1Slice(buf, start, end) {
+	    var ret = '';
+	    end = Math.min(buf.length, end);
+
+	    for (var i = start; i < end; ++i) {
+	      ret += String.fromCharCode(buf[i]);
+	    }
+
+	    return ret;
+	  }
+
+	  function hexSlice(buf, start, end) {
+	    var len = buf.length;
+	    if (!start || start < 0) start = 0;
+	    if (!end || end < 0 || end > len) end = len;
+	    var out = '';
+
+	    for (var i = start; i < end; ++i) {
+	      out += hexSliceLookupTable[buf[i]];
+	    }
+
+	    return out;
+	  }
+
+	  function utf16leSlice(buf, start, end) {
+	    var bytes = buf.slice(start, end);
+	    var res = ''; // If bytes.length is odd, the last 8 bits must be ignored (same as node.js)
+
+	    for (var i = 0; i < bytes.length - 1; i += 2) {
+	      res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256);
+	    }
+
+	    return res;
+	  }
+
+	  Buffer.prototype.slice = function slice(start, end) {
+	    var len = this.length;
+	    start = ~~start;
+	    end = end === undefined ? len : ~~end;
+
+	    if (start < 0) {
+	      start += len;
+	      if (start < 0) start = 0;
+	    } else if (start > len) {
+	      start = len;
+	    }
+
+	    if (end < 0) {
+	      end += len;
+	      if (end < 0) end = 0;
+	    } else if (end > len) {
+	      end = len;
+	    }
+
+	    if (end < start) end = start;
+	    var newBuf = this.subarray(start, end); // Return an augmented `Uint8Array` instance
+
+	    Object.setPrototypeOf(newBuf, Buffer.prototype);
+	    return newBuf;
+	  };
+	  /*
+	   * Need to make sure that buffer isn't trying to write out of bounds.
+	   */
+
+
+	  function checkOffset(offset, ext, length) {
+	    if (offset % 1 !== 0 || offset < 0) throw new RangeError('offset is not uint');
+	    if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length');
+	  }
+
+	  Buffer.prototype.readUintLE = Buffer.prototype.readUIntLE = function readUIntLE(offset, byteLength, noAssert) {
+	    offset = offset >>> 0;
+	    byteLength = byteLength >>> 0;
+	    if (!noAssert) checkOffset(offset, byteLength, this.length);
+	    var val = this[offset];
+	    var mul = 1;
+	    var i = 0;
+
+	    while (++i < byteLength && (mul *= 0x100)) {
+	      val += this[offset + i] * mul;
+	    }
+
+	    return val;
+	  };
+
+	  Buffer.prototype.readUintBE = Buffer.prototype.readUIntBE = function readUIntBE(offset, byteLength, noAssert) {
+	    offset = offset >>> 0;
+	    byteLength = byteLength >>> 0;
+
+	    if (!noAssert) {
+	      checkOffset(offset, byteLength, this.length);
+	    }
+
+	    var val = this[offset + --byteLength];
+	    var mul = 1;
+
+	    while (byteLength > 0 && (mul *= 0x100)) {
+	      val += this[offset + --byteLength] * mul;
+	    }
+
+	    return val;
+	  };
+
+	  Buffer.prototype.readUint8 = Buffer.prototype.readUInt8 = function readUInt8(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 1, this.length);
+	    return this[offset];
+	  };
+
+	  Buffer.prototype.readUint16LE = Buffer.prototype.readUInt16LE = function readUInt16LE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 2, this.length);
+	    return this[offset] | this[offset + 1] << 8;
+	  };
+
+	  Buffer.prototype.readUint16BE = Buffer.prototype.readUInt16BE = function readUInt16BE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 2, this.length);
+	    return this[offset] << 8 | this[offset + 1];
+	  };
+
+	  Buffer.prototype.readUint32LE = Buffer.prototype.readUInt32LE = function readUInt32LE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 4, this.length);
+	    return (this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16) + this[offset + 3] * 0x1000000;
+	  };
+
+	  Buffer.prototype.readUint32BE = Buffer.prototype.readUInt32BE = function readUInt32BE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 4, this.length);
+	    return this[offset] * 0x1000000 + (this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3]);
+	  };
+
+	  Buffer.prototype.readIntLE = function readIntLE(offset, byteLength, noAssert) {
+	    offset = offset >>> 0;
+	    byteLength = byteLength >>> 0;
+	    if (!noAssert) checkOffset(offset, byteLength, this.length);
+	    var val = this[offset];
+	    var mul = 1;
+	    var i = 0;
+
+	    while (++i < byteLength && (mul *= 0x100)) {
+	      val += this[offset + i] * mul;
+	    }
+
+	    mul *= 0x80;
+	    if (val >= mul) val -= Math.pow(2, 8 * byteLength);
+	    return val;
+	  };
+
+	  Buffer.prototype.readIntBE = function readIntBE(offset, byteLength, noAssert) {
+	    offset = offset >>> 0;
+	    byteLength = byteLength >>> 0;
+	    if (!noAssert) checkOffset(offset, byteLength, this.length);
+	    var i = byteLength;
+	    var mul = 1;
+	    var val = this[offset + --i];
+
+	    while (i > 0 && (mul *= 0x100)) {
+	      val += this[offset + --i] * mul;
+	    }
+
+	    mul *= 0x80;
+	    if (val >= mul) val -= Math.pow(2, 8 * byteLength);
+	    return val;
+	  };
+
+	  Buffer.prototype.readInt8 = function readInt8(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 1, this.length);
+	    if (!(this[offset] & 0x80)) return this[offset];
+	    return (0xff - this[offset] + 1) * -1;
+	  };
+
+	  Buffer.prototype.readInt16LE = function readInt16LE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 2, this.length);
+	    var val = this[offset] | this[offset + 1] << 8;
+	    return val & 0x8000 ? val | 0xFFFF0000 : val;
+	  };
+
+	  Buffer.prototype.readInt16BE = function readInt16BE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 2, this.length);
+	    var val = this[offset + 1] | this[offset] << 8;
+	    return val & 0x8000 ? val | 0xFFFF0000 : val;
+	  };
+
+	  Buffer.prototype.readInt32LE = function readInt32LE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 4, this.length);
+	    return this[offset] | this[offset + 1] << 8 | this[offset + 2] << 16 | this[offset + 3] << 24;
+	  };
+
+	  Buffer.prototype.readInt32BE = function readInt32BE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 4, this.length);
+	    return this[offset] << 24 | this[offset + 1] << 16 | this[offset + 2] << 8 | this[offset + 3];
+	  };
+
+	  Buffer.prototype.readFloatLE = function readFloatLE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 4, this.length);
+	    return ieee754.read(this, offset, true, 23, 4);
+	  };
+
+	  Buffer.prototype.readFloatBE = function readFloatBE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 4, this.length);
+	    return ieee754.read(this, offset, false, 23, 4);
+	  };
+
+	  Buffer.prototype.readDoubleLE = function readDoubleLE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 8, this.length);
+	    return ieee754.read(this, offset, true, 52, 8);
+	  };
+
+	  Buffer.prototype.readDoubleBE = function readDoubleBE(offset, noAssert) {
+	    offset = offset >>> 0;
+	    if (!noAssert) checkOffset(offset, 8, this.length);
+	    return ieee754.read(this, offset, false, 52, 8);
+	  };
+
+	  function checkInt(buf, value, offset, ext, max, min) {
+	    if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance');
+	    if (value > max || value < min) throw new RangeError('"value" argument is out of bounds');
+	    if (offset + ext > buf.length) throw new RangeError('Index out of range');
+	  }
+
+	  Buffer.prototype.writeUintLE = Buffer.prototype.writeUIntLE = function writeUIntLE(value, offset, byteLength, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    byteLength = byteLength >>> 0;
+
+	    if (!noAssert) {
+	      var maxBytes = Math.pow(2, 8 * byteLength) - 1;
+	      checkInt(this, value, offset, byteLength, maxBytes, 0);
+	    }
+
+	    var mul = 1;
+	    var i = 0;
+	    this[offset] = value & 0xFF;
+
+	    while (++i < byteLength && (mul *= 0x100)) {
+	      this[offset + i] = value / mul & 0xFF;
+	    }
+
+	    return offset + byteLength;
+	  };
+
+	  Buffer.prototype.writeUintBE = Buffer.prototype.writeUIntBE = function writeUIntBE(value, offset, byteLength, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    byteLength = byteLength >>> 0;
+
+	    if (!noAssert) {
+	      var maxBytes = Math.pow(2, 8 * byteLength) - 1;
+	      checkInt(this, value, offset, byteLength, maxBytes, 0);
+	    }
+
+	    var i = byteLength - 1;
+	    var mul = 1;
+	    this[offset + i] = value & 0xFF;
+
+	    while (--i >= 0 && (mul *= 0x100)) {
+	      this[offset + i] = value / mul & 0xFF;
+	    }
+
+	    return offset + byteLength;
+	  };
+
+	  Buffer.prototype.writeUint8 = Buffer.prototype.writeUInt8 = function writeUInt8(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0);
+	    this[offset] = value & 0xff;
+	    return offset + 1;
+	  };
+
+	  Buffer.prototype.writeUint16LE = Buffer.prototype.writeUInt16LE = function writeUInt16LE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
+	    this[offset] = value & 0xff;
+	    this[offset + 1] = value >>> 8;
+	    return offset + 2;
+	  };
+
+	  Buffer.prototype.writeUint16BE = Buffer.prototype.writeUInt16BE = function writeUInt16BE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0);
+	    this[offset] = value >>> 8;
+	    this[offset + 1] = value & 0xff;
+	    return offset + 2;
+	  };
+
+	  Buffer.prototype.writeUint32LE = Buffer.prototype.writeUInt32LE = function writeUInt32LE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
+	    this[offset + 3] = value >>> 24;
+	    this[offset + 2] = value >>> 16;
+	    this[offset + 1] = value >>> 8;
+	    this[offset] = value & 0xff;
+	    return offset + 4;
+	  };
+
+	  Buffer.prototype.writeUint32BE = Buffer.prototype.writeUInt32BE = function writeUInt32BE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0);
+	    this[offset] = value >>> 24;
+	    this[offset + 1] = value >>> 16;
+	    this[offset + 2] = value >>> 8;
+	    this[offset + 3] = value & 0xff;
+	    return offset + 4;
+	  };
+
+	  Buffer.prototype.writeIntLE = function writeIntLE(value, offset, byteLength, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+
+	    if (!noAssert) {
+	      var limit = Math.pow(2, 8 * byteLength - 1);
+	      checkInt(this, value, offset, byteLength, limit - 1, -limit);
+	    }
+
+	    var i = 0;
+	    var mul = 1;
+	    var sub = 0;
+	    this[offset] = value & 0xFF;
+
+	    while (++i < byteLength && (mul *= 0x100)) {
+	      if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+	        sub = 1;
+	      }
+
+	      this[offset + i] = (value / mul >> 0) - sub & 0xFF;
+	    }
+
+	    return offset + byteLength;
+	  };
+
+	  Buffer.prototype.writeIntBE = function writeIntBE(value, offset, byteLength, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+
+	    if (!noAssert) {
+	      var limit = Math.pow(2, 8 * byteLength - 1);
+	      checkInt(this, value, offset, byteLength, limit - 1, -limit);
+	    }
+
+	    var i = byteLength - 1;
+	    var mul = 1;
+	    var sub = 0;
+	    this[offset + i] = value & 0xFF;
+
+	    while (--i >= 0 && (mul *= 0x100)) {
+	      if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+	        sub = 1;
+	      }
+
+	      this[offset + i] = (value / mul >> 0) - sub & 0xFF;
+	    }
+
+	    return offset + byteLength;
+	  };
+
+	  Buffer.prototype.writeInt8 = function writeInt8(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80);
+	    if (value < 0) value = 0xff + value + 1;
+	    this[offset] = value & 0xff;
+	    return offset + 1;
+	  };
+
+	  Buffer.prototype.writeInt16LE = function writeInt16LE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
+	    this[offset] = value & 0xff;
+	    this[offset + 1] = value >>> 8;
+	    return offset + 2;
+	  };
+
+	  Buffer.prototype.writeInt16BE = function writeInt16BE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000);
+	    this[offset] = value >>> 8;
+	    this[offset + 1] = value & 0xff;
+	    return offset + 2;
+	  };
+
+	  Buffer.prototype.writeInt32LE = function writeInt32LE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
+	    this[offset] = value & 0xff;
+	    this[offset + 1] = value >>> 8;
+	    this[offset + 2] = value >>> 16;
+	    this[offset + 3] = value >>> 24;
+	    return offset + 4;
+	  };
+
+	  Buffer.prototype.writeInt32BE = function writeInt32BE(value, offset, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+	    if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000);
+	    if (value < 0) value = 0xffffffff + value + 1;
+	    this[offset] = value >>> 24;
+	    this[offset + 1] = value >>> 16;
+	    this[offset + 2] = value >>> 8;
+	    this[offset + 3] = value & 0xff;
+	    return offset + 4;
+	  };
+
+	  function checkIEEE754(buf, value, offset, ext, max, min) {
+	    if (offset + ext > buf.length) throw new RangeError('Index out of range');
+	    if (offset < 0) throw new RangeError('Index out of range');
+	  }
+
+	  function writeFloat(buf, value, offset, littleEndian, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+
+	    if (!noAssert) {
+	      checkIEEE754(buf, value, offset, 4);
+	    }
+
+	    ieee754.write(buf, value, offset, littleEndian, 23, 4);
+	    return offset + 4;
+	  }
+
+	  Buffer.prototype.writeFloatLE = function writeFloatLE(value, offset, noAssert) {
+	    return writeFloat(this, value, offset, true, noAssert);
+	  };
+
+	  Buffer.prototype.writeFloatBE = function writeFloatBE(value, offset, noAssert) {
+	    return writeFloat(this, value, offset, false, noAssert);
+	  };
+
+	  function writeDouble(buf, value, offset, littleEndian, noAssert) {
+	    value = +value;
+	    offset = offset >>> 0;
+
+	    if (!noAssert) {
+	      checkIEEE754(buf, value, offset, 8);
+	    }
+
+	    ieee754.write(buf, value, offset, littleEndian, 52, 8);
+	    return offset + 8;
+	  }
+
+	  Buffer.prototype.writeDoubleLE = function writeDoubleLE(value, offset, noAssert) {
+	    return writeDouble(this, value, offset, true, noAssert);
+	  };
+
+	  Buffer.prototype.writeDoubleBE = function writeDoubleBE(value, offset, noAssert) {
+	    return writeDouble(this, value, offset, false, noAssert);
+	  }; // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+
+
+	  Buffer.prototype.copy = function copy(target, targetStart, start, end) {
+	    if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer');
+	    if (!start) start = 0;
+	    if (!end && end !== 0) end = this.length;
+	    if (targetStart >= target.length) targetStart = target.length;
+	    if (!targetStart) targetStart = 0;
+	    if (end > 0 && end < start) end = start; // Copy 0 bytes; we're done
+
+	    if (end === start) return 0;
+	    if (target.length === 0 || this.length === 0) return 0; // Fatal error conditions
+
+	    if (targetStart < 0) {
+	      throw new RangeError('targetStart out of bounds');
+	    }
+
+	    if (start < 0 || start >= this.length) throw new RangeError('Index out of range');
+	    if (end < 0) throw new RangeError('sourceEnd out of bounds'); // Are we oob?
+
+	    if (end > this.length) end = this.length;
+
+	    if (target.length - targetStart < end - start) {
+	      end = target.length - targetStart + start;
+	    }
+
+	    var len = end - start;
+
+	    if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {
+	      // Use built-in when available, missing from IE11
+	      this.copyWithin(targetStart, start, end);
+	    } else {
+	      Uint8Array.prototype.set.call(target, this.subarray(start, end), targetStart);
+	    }
+
+	    return len;
+	  }; // Usage:
+	  //    buffer.fill(number[, offset[, end]])
+	  //    buffer.fill(buffer[, offset[, end]])
+	  //    buffer.fill(string[, offset[, end]][, encoding])
+
+
+	  Buffer.prototype.fill = function fill(val, start, end, encoding) {
+	    // Handle string cases:
+	    if (typeof val === 'string') {
+	      if (typeof start === 'string') {
+	        encoding = start;
+	        start = 0;
+	        end = this.length;
+	      } else if (typeof end === 'string') {
+	        encoding = end;
+	        end = this.length;
+	      }
+
+	      if (encoding !== undefined && typeof encoding !== 'string') {
+	        throw new TypeError('encoding must be a string');
+	      }
+
+	      if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+	        throw new TypeError('Unknown encoding: ' + encoding);
+	      }
+
+	      if (val.length === 1) {
+	        var code = val.charCodeAt(0);
+
+	        if (encoding === 'utf8' && code < 128 || encoding === 'latin1') {
+	          // Fast path: If `val` fits into a single byte, use that numeric value.
+	          val = code;
+	        }
+	      }
+	    } else if (typeof val === 'number') {
+	      val = val & 255;
+	    } else if (typeof val === 'boolean') {
+	      val = Number(val);
+	    } // Invalid ranges are not set to a default, so can range check early.
+
+
+	    if (start < 0 || this.length < start || this.length < end) {
+	      throw new RangeError('Out of range index');
+	    }
+
+	    if (end <= start) {
+	      return this;
+	    }
+
+	    start = start >>> 0;
+	    end = end === undefined ? this.length : end >>> 0;
+	    if (!val) val = 0;
+	    var i;
+
+	    if (typeof val === 'number') {
+	      for (i = start; i < end; ++i) {
+	        this[i] = val;
+	      }
+	    } else {
+	      var bytes = Buffer.isBuffer(val) ? val : Buffer.from(val, encoding);
+	      var len = bytes.length;
+
+	      if (len === 0) {
+	        throw new TypeError('The value "' + val + '" is invalid for argument "value"');
+	      }
+
+	      for (i = 0; i < end - start; ++i) {
+	        this[i + start] = bytes[i % len];
+	      }
+	    }
+
+	    return this;
+	  }; // HELPER FUNCTIONS
+	  // ================
+
+
+	  var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g;
+
+	  function base64clean(str) {
+	    // Node takes equal signs as end of the Base64 encoding
+	    str = str.split('=')[0]; // Node strips out invalid characters like \n and \t from the string, base64-js does not
+
+	    str = str.trim().replace(INVALID_BASE64_RE, ''); // Node converts strings with length < 2 to ''
+
+	    if (str.length < 2) return ''; // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+
+	    while (str.length % 4 !== 0) {
+	      str = str + '=';
+	    }
+
+	    return str;
+	  }
+
+	  function utf8ToBytes(string, units) {
+	    units = units || Infinity;
+	    var codePoint;
+	    var length = string.length;
+	    var leadSurrogate = null;
+	    var bytes = [];
+
+	    for (var i = 0; i < length; ++i) {
+	      codePoint = string.charCodeAt(i); // is surrogate component
+
+	      if (codePoint > 0xD7FF && codePoint < 0xE000) {
+	        // last char was a lead
+	        if (!leadSurrogate) {
+	          // no lead yet
+	          if (codePoint > 0xDBFF) {
+	            // unexpected trail
+	            if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+	            continue;
+	          } else if (i + 1 === length) {
+	            // unpaired lead
+	            if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+	            continue;
+	          } // valid lead
+
+
+	          leadSurrogate = codePoint;
+	          continue;
+	        } // 2 leads in a row
+
+
+	        if (codePoint < 0xDC00) {
+	          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+	          leadSurrogate = codePoint;
+	          continue;
+	        } // valid surrogate pair
+
+
+	        codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000;
+	      } else if (leadSurrogate) {
+	        // valid bmp char, but last char was a lead
+	        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD);
+	      }
+
+	      leadSurrogate = null; // encode utf8
+
+	      if (codePoint < 0x80) {
+	        if ((units -= 1) < 0) break;
+	        bytes.push(codePoint);
+	      } else if (codePoint < 0x800) {
+	        if ((units -= 2) < 0) break;
+	        bytes.push(codePoint >> 0x6 | 0xC0, codePoint & 0x3F | 0x80);
+	      } else if (codePoint < 0x10000) {
+	        if ((units -= 3) < 0) break;
+	        bytes.push(codePoint >> 0xC | 0xE0, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
+	      } else if (codePoint < 0x110000) {
+	        if ((units -= 4) < 0) break;
+	        bytes.push(codePoint >> 0x12 | 0xF0, codePoint >> 0xC & 0x3F | 0x80, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80);
+	      } else {
+	        throw new Error('Invalid code point');
+	      }
+	    }
+
+	    return bytes;
+	  }
+
+	  function asciiToBytes(str) {
+	    var byteArray = [];
+
+	    for (var i = 0; i < str.length; ++i) {
+	      // Node's code seems to be doing this and not & 0x7F..
+	      byteArray.push(str.charCodeAt(i) & 0xFF);
+	    }
+
+	    return byteArray;
+	  }
+
+	  function utf16leToBytes(str, units) {
+	    var c, hi, lo;
+	    var byteArray = [];
+
+	    for (var i = 0; i < str.length; ++i) {
+	      if ((units -= 2) < 0) break;
+	      c = str.charCodeAt(i);
+	      hi = c >> 8;
+	      lo = c % 256;
+	      byteArray.push(lo);
+	      byteArray.push(hi);
+	    }
+
+	    return byteArray;
+	  }
+
+	  function base64ToBytes(str) {
+	    return base64Js.toByteArray(base64clean(str));
+	  }
+
+	  function blitBuffer(src, dst, offset, length) {
+	    for (var i = 0; i < length; ++i) {
+	      if (i + offset >= dst.length || i >= src.length) break;
+	      dst[i + offset] = src[i];
+	    }
+
+	    return i;
+	  } // ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass
+	  // the `instanceof` check but they should be treated as of that type.
+	  // See: https://github.com/feross/buffer/issues/166
+
+
+	  function isInstance(obj, type) {
+	    return obj instanceof type || obj != null && obj.constructor != null && obj.constructor.name != null && obj.constructor.name === type.name;
+	  }
+
+	  function numberIsNaN(obj) {
+	    // For IE11 support
+	    return obj !== obj; // eslint-disable-line no-self-compare
+	  } // Create lookup table for `toString('hex')`
+	  // See: https://github.com/feross/buffer/issues/219
+
+
+	  var hexSliceLookupTable = function () {
+	    var alphabet = '0123456789abcdef';
+	    var table = new Array(256);
+
+	    for (var i = 0; i < 16; ++i) {
+	      var i16 = i * 16;
+
+	      for (var j = 0; j < 16; ++j) {
+	        table[i16 + j] = alphabet[i] + alphabet[j];
+	      }
+	    }
+
+	    return table;
+	  }();
+	});
+	var buffer_1 = buffer$1.Buffer;
+	buffer$1.SlowBuffer;
+	buffer$1.INSPECT_MAX_BYTES;
+	buffer$1.kMaxLength;
+
+	/*! *****************************************************************************
+	Copyright (c) Microsoft Corporation.
+
+	Permission to use, copy, modify, and/or distribute this software for any
+	purpose with or without fee is hereby granted.
+
+	THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+	REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+	AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+	INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+	LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+	OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+	PERFORMANCE OF THIS SOFTWARE.
+	***************************************************************************** */
+
+	/* global Reflect, Promise */
+	var _extendStatics = function extendStatics(d, b) {
+	  _extendStatics = Object.setPrototypeOf || {
+	    __proto__: []
+	  } instanceof Array && function (d, b) {
+	    d.__proto__ = b;
+	  } || function (d, b) {
+	    for (var p in b) {
+	      if (b.hasOwnProperty(p)) d[p] = b[p];
+	    }
+	  };
+
+	  return _extendStatics(d, b);
+	};
+
+	function __extends(d, b) {
+	  _extendStatics(d, b);
+
+	  function __() {
+	    this.constructor = d;
+	  }
+
+	  d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+	}
+
+	var _assign = function __assign() {
+	  _assign = Object.assign || function __assign(t) {
+	    for (var s, i = 1, n = arguments.length; i < n; i++) {
+	      s = arguments[i];
+
+	      for (var p in s) {
+	        if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
+	      }
+	    }
+
+	    return t;
+	  };
+
+	  return _assign.apply(this, arguments);
+	};
+
+	/** @public */
+	var BSONError = /** @class */ (function (_super) {
+	    __extends(BSONError, _super);
+	    function BSONError(message) {
+	        var _this = _super.call(this, message) || this;
+	        Object.setPrototypeOf(_this, BSONError.prototype);
+	        return _this;
+	    }
+	    Object.defineProperty(BSONError.prototype, "name", {
+	        get: function () {
+	            return 'BSONError';
+	        },
+	        enumerable: false,
+	        configurable: true
+	    });
+	    return BSONError;
+	}(Error));
+	/** @public */
+	var BSONTypeError = /** @class */ (function (_super) {
+	    __extends(BSONTypeError, _super);
+	    function BSONTypeError(message) {
+	        var _this = _super.call(this, message) || this;
+	        Object.setPrototypeOf(_this, BSONTypeError.prototype);
+	        return _this;
+	    }
+	    Object.defineProperty(BSONTypeError.prototype, "name", {
+	        get: function () {
+	            return 'BSONTypeError';
+	        },
+	        enumerable: false,
+	        configurable: true
+	    });
+	    return BSONTypeError;
+	}(TypeError));
+
+	function checkForMath(potentialGlobal) {
+	    // eslint-disable-next-line eqeqeq
+	    return potentialGlobal && potentialGlobal.Math == Math && potentialGlobal;
+	}
+	// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
+	function getGlobal() {
+	    return (checkForMath(typeof globalThis === 'object' && globalThis) ||
+	        checkForMath(typeof window === 'object' && window) ||
+	        checkForMath(typeof self === 'object' && self) ||
+	        checkForMath(typeof global === 'object' && global) ||
+	        // eslint-disable-next-line @typescript-eslint/no-implied-eval
+	        Function('return this')());
+	}
+
+	/**
+	 * Normalizes our expected stringified form of a function across versions of node
+	 * @param fn - The function to stringify
+	 */
+	function normalizedFunctionString(fn) {
+	    return fn.toString().replace('function(', 'function (');
+	}
+	function isReactNative() {
+	    var g = getGlobal();
+	    return typeof g.navigator === 'object' && g.navigator.product === 'ReactNative';
+	}
+	var insecureRandomBytes = function insecureRandomBytes(size) {
+	    var insecureWarning = isReactNative()
+	        ? 'BSON: For React Native please polyfill crypto.getRandomValues, e.g. using: https://www.npmjs.com/package/react-native-get-random-values.'
+	        : 'BSON: No cryptographic implementation for random bytes present, falling back to a less secure implementation.';
+	    console.warn(insecureWarning);
+	    var result = buffer_1.alloc(size);
+	    for (var i = 0; i < size; ++i)
+	        result[i] = Math.floor(Math.random() * 256);
+	    return result;
+	};
+	var detectRandomBytes = function () {
+	    {
+	        if (typeof window !== 'undefined') {
+	            // browser crypto implementation(s)
+	            var target_1 = window.crypto || window.msCrypto; // allow for IE11
+	            if (target_1 && target_1.getRandomValues) {
+	                return function (size) { return target_1.getRandomValues(buffer_1.alloc(size)); };
+	            }
+	        }
+	        if (typeof global !== 'undefined' && global.crypto && global.crypto.getRandomValues) {
+	            // allow for RN packages such as https://www.npmjs.com/package/react-native-get-random-values to populate global
+	            return function (size) { return global.crypto.getRandomValues(buffer_1.alloc(size)); };
+	        }
+	        return insecureRandomBytes;
+	    }
+	};
+	var randomBytes = detectRandomBytes();
+	function isAnyArrayBuffer(value) {
+	    return ['[object ArrayBuffer]', '[object SharedArrayBuffer]'].includes(Object.prototype.toString.call(value));
+	}
+	function isUint8Array(value) {
+	    return Object.prototype.toString.call(value) === '[object Uint8Array]';
+	}
+	function isBigInt64Array(value) {
+	    return Object.prototype.toString.call(value) === '[object BigInt64Array]';
+	}
+	function isBigUInt64Array(value) {
+	    return Object.prototype.toString.call(value) === '[object BigUint64Array]';
+	}
+	function isRegExp(d) {
+	    return Object.prototype.toString.call(d) === '[object RegExp]';
+	}
+	function isMap(d) {
+	    return Object.prototype.toString.call(d) === '[object Map]';
+	}
+	// To ensure that 0.4 of node works correctly
+	function isDate(d) {
+	    return isObjectLike(d) && Object.prototype.toString.call(d) === '[object Date]';
+	}
+	/**
+	 * @internal
+	 * this is to solve the `'someKey' in x` problem where x is unknown.
+	 * https://github.com/typescript-eslint/typescript-eslint/issues/1071#issuecomment-541955753
+	 */
+	function isObjectLike(candidate) {
+	    return typeof candidate === 'object' && candidate !== null;
+	}
+	function deprecate(fn, message) {
+	    var warned = false;
+	    function deprecated() {
+	        var args = [];
+	        for (var _i = 0; _i < arguments.length; _i++) {
+	            args[_i] = arguments[_i];
+	        }
+	        if (!warned) {
+	            console.warn(message);
+	            warned = true;
+	        }
+	        return fn.apply(this, args);
+	    }
+	    return deprecated;
+	}
+
+	/**
+	 * Makes sure that, if a Uint8Array is passed in, it is wrapped in a Buffer.
+	 *
+	 * @param potentialBuffer - The potential buffer
+	 * @returns Buffer the input if potentialBuffer is a buffer, or a buffer that
+	 * wraps a passed in Uint8Array
+	 * @throws BSONTypeError If anything other than a Buffer or Uint8Array is passed in
+	 */
+	function ensureBuffer(potentialBuffer) {
+	    if (ArrayBuffer.isView(potentialBuffer)) {
+	        return buffer_1.from(potentialBuffer.buffer, potentialBuffer.byteOffset, potentialBuffer.byteLength);
+	    }
+	    if (isAnyArrayBuffer(potentialBuffer)) {
+	        return buffer_1.from(potentialBuffer);
+	    }
+	    throw new BSONTypeError('Must use either Buffer or TypedArray');
+	}
+
+	// Validation regex for v4 uuid (validates with or without dashes)
+	var VALIDATION_REGEX = /^(?:[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|[0-9a-f]{12}4[0-9a-f]{3}[89ab][0-9a-f]{15})$/i;
+	var uuidValidateString = function (str) {
+	    return typeof str === 'string' && VALIDATION_REGEX.test(str);
+	};
+	var uuidHexStringToBuffer = function (hexString) {
+	    if (!uuidValidateString(hexString)) {
+	        throw new BSONTypeError('UUID string representations must be a 32 or 36 character hex string (dashes excluded/included). Format: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" or "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx".');
+	    }
+	    var sanitizedHexString = hexString.replace(/-/g, '');
+	    return buffer_1.from(sanitizedHexString, 'hex');
+	};
+	var bufferToUuidHexString = function (buffer, includeDashes) {
+	    if (includeDashes === void 0) { includeDashes = true; }
+	    return includeDashes
+	        ? buffer.toString('hex', 0, 4) +
+	            '-' +
+	            buffer.toString('hex', 4, 6) +
+	            '-' +
+	            buffer.toString('hex', 6, 8) +
+	            '-' +
+	            buffer.toString('hex', 8, 10) +
+	            '-' +
+	            buffer.toString('hex', 10, 16)
+	        : buffer.toString('hex');
+	};
+
+	/** @internal */
+	var BSON_INT32_MAX$1 = 0x7fffffff;
+	/** @internal */
+	var BSON_INT32_MIN$1 = -0x80000000;
+	/** @internal */
+	var BSON_INT64_MAX$1 = Math.pow(2, 63) - 1;
+	/** @internal */
+	var BSON_INT64_MIN$1 = -Math.pow(2, 63);
+	/**
+	 * Any integer up to 2^53 can be precisely represented by a double.
+	 * @internal
+	 */
+	var JS_INT_MAX = Math.pow(2, 53);
+	/**
+	 * Any integer down to -2^53 can be precisely represented by a double.
+	 * @internal
+	 */
+	var JS_INT_MIN = -Math.pow(2, 53);
+	/** Number BSON Type @internal */
+	var BSON_DATA_NUMBER = 1;
+	/** String BSON Type @internal */
+	var BSON_DATA_STRING = 2;
+	/** Object BSON Type @internal */
+	var BSON_DATA_OBJECT = 3;
+	/** Array BSON Type @internal */
+	var BSON_DATA_ARRAY = 4;
+	/** Binary BSON Type @internal */
+	var BSON_DATA_BINARY = 5;
+	/** Binary BSON Type @internal */
+	var BSON_DATA_UNDEFINED = 6;
+	/** ObjectId BSON Type @internal */
+	var BSON_DATA_OID = 7;
+	/** Boolean BSON Type @internal */
+	var BSON_DATA_BOOLEAN = 8;
+	/** Date BSON Type @internal */
+	var BSON_DATA_DATE = 9;
+	/** null BSON Type @internal */
+	var BSON_DATA_NULL = 10;
+	/** RegExp BSON Type @internal */
+	var BSON_DATA_REGEXP = 11;
+	/** Code BSON Type @internal */
+	var BSON_DATA_DBPOINTER = 12;
+	/** Code BSON Type @internal */
+	var BSON_DATA_CODE = 13;
+	/** Symbol BSON Type @internal */
+	var BSON_DATA_SYMBOL = 14;
+	/** Code with Scope BSON Type @internal */
+	var BSON_DATA_CODE_W_SCOPE = 15;
+	/** 32 bit Integer BSON Type @internal */
+	var BSON_DATA_INT = 16;
+	/** Timestamp BSON Type @internal */
+	var BSON_DATA_TIMESTAMP = 17;
+	/** Long BSON Type @internal */
+	var BSON_DATA_LONG = 18;
+	/** Decimal128 BSON Type @internal */
+	var BSON_DATA_DECIMAL128 = 19;
+	/** MinKey BSON Type @internal */
+	var BSON_DATA_MIN_KEY = 0xff;
+	/** MaxKey BSON Type @internal */
+	var BSON_DATA_MAX_KEY = 0x7f;
+	/** Binary Default Type @internal */
+	var BSON_BINARY_SUBTYPE_DEFAULT = 0;
+	/** Binary Function Type @internal */
+	var BSON_BINARY_SUBTYPE_FUNCTION = 1;
+	/** Binary Byte Array Type @internal */
+	var BSON_BINARY_SUBTYPE_BYTE_ARRAY = 2;
+	/** Binary Deprecated UUID Type @deprecated Please use BSON_BINARY_SUBTYPE_UUID_NEW @internal */
+	var BSON_BINARY_SUBTYPE_UUID = 3;
+	/** Binary UUID Type @internal */
+	var BSON_BINARY_SUBTYPE_UUID_NEW = 4;
+	/** Binary MD5 Type @internal */
+	var BSON_BINARY_SUBTYPE_MD5 = 5;
+	/** Encrypted BSON type @internal */
+	var BSON_BINARY_SUBTYPE_ENCRYPTED = 6;
+	/** Column BSON type @internal */
+	var BSON_BINARY_SUBTYPE_COLUMN = 7;
+	/** Binary User Defined Type @internal */
+	var BSON_BINARY_SUBTYPE_USER_DEFINED = 128;
+
+	/**
+	 * A class representation of the BSON Binary type.
+	 * @public
+	 * @category BSONType
+	 */
+	var Binary = /** @class */ (function () {
+	    /**
+	     * Create a new Binary instance.
+	     *
+	     * This constructor can accept a string as its first argument. In this case,
+	     * this string will be encoded using ISO-8859-1, **not** using UTF-8.
+	     * This is almost certainly not what you want. Use `new Binary(Buffer.from(string))`
+	     * instead to convert the string to a Buffer using UTF-8 first.
+	     *
+	     * @param buffer - a buffer object containing the binary data.
+	     * @param subType - the option binary type.
+	     */
+	    function Binary(buffer, subType) {
+	        if (!(this instanceof Binary))
+	            return new Binary(buffer, subType);
+	        if (!(buffer == null) &&
+	            !(typeof buffer === 'string') &&
+	            !ArrayBuffer.isView(buffer) &&
+	            !(buffer instanceof ArrayBuffer) &&
+	            !Array.isArray(buffer)) {
+	            throw new BSONTypeError('Binary can only be constructed from string, Buffer, TypedArray, or Array<number>');
+	        }
+	        this.sub_type = subType !== null && subType !== void 0 ? subType : Binary.BSON_BINARY_SUBTYPE_DEFAULT;
+	        if (buffer == null) {
+	            // create an empty binary buffer
+	            this.buffer = buffer_1.alloc(Binary.BUFFER_SIZE);
+	            this.position = 0;
+	        }
+	        else {
+	            if (typeof buffer === 'string') {
+	                // string
+	                this.buffer = buffer_1.from(buffer, 'binary');
+	            }
+	            else if (Array.isArray(buffer)) {
+	                // number[]
+	                this.buffer = buffer_1.from(buffer);
+	            }
+	            else {
+	                // Buffer | TypedArray | ArrayBuffer
+	                this.buffer = ensureBuffer(buffer);
+	            }
+	            this.position = this.buffer.byteLength;
+	        }
+	    }
+	    /**
+	     * Updates this binary with byte_value.
+	     *
+	     * @param byteValue - a single byte we wish to write.
+	     */
+	    Binary.prototype.put = function (byteValue) {
+	        // If it's a string and a has more than one character throw an error
+	        if (typeof byteValue === 'string' && byteValue.length !== 1) {
+	            throw new BSONTypeError('only accepts single character String');
+	        }
+	        else if (typeof byteValue !== 'number' && byteValue.length !== 1)
+	            throw new BSONTypeError('only accepts single character Uint8Array or Array');
+	        // Decode the byte value once
+	        var decodedByte;
+	        if (typeof byteValue === 'string') {
+	            decodedByte = byteValue.charCodeAt(0);
+	        }
+	        else if (typeof byteValue === 'number') {
+	            decodedByte = byteValue;
+	        }
+	        else {
+	            decodedByte = byteValue[0];
+	        }
+	        if (decodedByte < 0 || decodedByte > 255) {
+	            throw new BSONTypeError('only accepts number in a valid unsigned byte range 0-255');
+	        }
+	        if (this.buffer.length > this.position) {
+	            this.buffer[this.position++] = decodedByte;
+	        }
+	        else {
+	            var buffer = buffer_1.alloc(Binary.BUFFER_SIZE + this.buffer.length);
+	            // Combine the two buffers together
+	            this.buffer.copy(buffer, 0, 0, this.buffer.length);
+	            this.buffer = buffer;
+	            this.buffer[this.position++] = decodedByte;
+	        }
+	    };
+	    /**
+	     * Writes a buffer or string to the binary.
+	     *
+	     * @param sequence - a string or buffer to be written to the Binary BSON object.
+	     * @param offset - specify the binary of where to write the content.
+	     */
+	    Binary.prototype.write = function (sequence, offset) {
+	        offset = typeof offset === 'number' ? offset : this.position;
+	        // If the buffer is to small let's extend the buffer
+	        if (this.buffer.length < offset + sequence.length) {
+	            var buffer = buffer_1.alloc(this.buffer.length + sequence.length);
+	            this.buffer.copy(buffer, 0, 0, this.buffer.length);
+	            // Assign the new buffer
+	            this.buffer = buffer;
+	        }
+	        if (ArrayBuffer.isView(sequence)) {
+	            this.buffer.set(ensureBuffer(sequence), offset);
+	            this.position =
+	                offset + sequence.byteLength > this.position ? offset + sequence.length : this.position;
+	        }
+	        else if (typeof sequence === 'string') {
+	            this.buffer.write(sequence, offset, sequence.length, 'binary');
+	            this.position =
+	                offset + sequence.length > this.position ? offset + sequence.length : this.position;
+	        }
+	    };
+	    /**
+	     * Reads **length** bytes starting at **position**.
+	     *
+	     * @param position - read from the given position in the Binary.
+	     * @param length - the number of bytes to read.
+	     */
+	    Binary.prototype.read = function (position, length) {
+	        length = length && length > 0 ? length : this.position;
+	        // Let's return the data based on the type we have
+	        return this.buffer.slice(position, position + length);
+	    };
+	    /**
+	     * Returns the value of this binary as a string.
+	     * @param asRaw - Will skip converting to a string
+	     * @remarks
+	     * This is handy when calling this function conditionally for some key value pairs and not others
+	     */
+	    Binary.prototype.value = function (asRaw) {
+	        asRaw = !!asRaw;
+	        // Optimize to serialize for the situation where the data == size of buffer
+	        if (asRaw && this.buffer.length === this.position) {
+	            return this.buffer;
+	        }
+	        // If it's a node.js buffer object
+	        if (asRaw) {
+	            return this.buffer.slice(0, this.position);
+	        }
+	        return this.buffer.toString('binary', 0, this.position);
+	    };
+	    /** the length of the binary sequence */
+	    Binary.prototype.length = function () {
+	        return this.position;
+	    };
+	    Binary.prototype.toJSON = function () {
+	        return this.buffer.toString('base64');
+	    };
+	    Binary.prototype.toString = function (format) {
+	        return this.buffer.toString(format);
+	    };
+	    /** @internal */
+	    Binary.prototype.toExtendedJSON = function (options) {
+	        options = options || {};
+	        var base64String = this.buffer.toString('base64');
+	        var subType = Number(this.sub_type).toString(16);
+	        if (options.legacy) {
+	            return {
+	                $binary: base64String,
+	                $type: subType.length === 1 ? '0' + subType : subType
+	            };
+	        }
+	        return {
+	            $binary: {
+	                base64: base64String,
+	                subType: subType.length === 1 ? '0' + subType : subType
+	            }
+	        };
+	    };
+	    Binary.prototype.toUUID = function () {
+	        if (this.sub_type === Binary.SUBTYPE_UUID) {
+	            return new UUID(this.buffer.slice(0, this.position));
+	        }
+	        throw new BSONError("Binary sub_type \"".concat(this.sub_type, "\" is not supported for converting to UUID. Only \"").concat(Binary.SUBTYPE_UUID, "\" is currently supported."));
+	    };
+	    /** @internal */
+	    Binary.fromExtendedJSON = function (doc, options) {
+	        options = options || {};
+	        var data;
+	        var type;
+	        if ('$binary' in doc) {
+	            if (options.legacy && typeof doc.$binary === 'string' && '$type' in doc) {
+	                type = doc.$type ? parseInt(doc.$type, 16) : 0;
+	                data = buffer_1.from(doc.$binary, 'base64');
+	            }
+	            else {
+	                if (typeof doc.$binary !== 'string') {
+	                    type = doc.$binary.subType ? parseInt(doc.$binary.subType, 16) : 0;
+	                    data = buffer_1.from(doc.$binary.base64, 'base64');
+	                }
+	            }
+	        }
+	        else if ('$uuid' in doc) {
+	            type = 4;
+	            data = uuidHexStringToBuffer(doc.$uuid);
+	        }
+	        if (!data) {
+	            throw new BSONTypeError("Unexpected Binary Extended JSON format ".concat(JSON.stringify(doc)));
+	        }
+	        return type === BSON_BINARY_SUBTYPE_UUID_NEW ? new UUID(data) : new Binary(data, type);
+	    };
+	    /** @internal */
+	    Binary.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Binary.prototype.inspect = function () {
+	        var asBuffer = this.value(true);
+	        return "new Binary(Buffer.from(\"".concat(asBuffer.toString('hex'), "\", \"hex\"), ").concat(this.sub_type, ")");
+	    };
+	    /**
+	     * Binary default subtype
+	     * @internal
+	     */
+	    Binary.BSON_BINARY_SUBTYPE_DEFAULT = 0;
+	    /** Initial buffer default size */
+	    Binary.BUFFER_SIZE = 256;
+	    /** Default BSON type */
+	    Binary.SUBTYPE_DEFAULT = 0;
+	    /** Function BSON type */
+	    Binary.SUBTYPE_FUNCTION = 1;
+	    /** Byte Array BSON type */
+	    Binary.SUBTYPE_BYTE_ARRAY = 2;
+	    /** Deprecated UUID BSON type @deprecated Please use SUBTYPE_UUID */
+	    Binary.SUBTYPE_UUID_OLD = 3;
+	    /** UUID BSON type */
+	    Binary.SUBTYPE_UUID = 4;
+	    /** MD5 BSON type */
+	    Binary.SUBTYPE_MD5 = 5;
+	    /** Encrypted BSON type */
+	    Binary.SUBTYPE_ENCRYPTED = 6;
+	    /** Column BSON type */
+	    Binary.SUBTYPE_COLUMN = 7;
+	    /** User BSON type */
+	    Binary.SUBTYPE_USER_DEFINED = 128;
+	    return Binary;
+	}());
+	Object.defineProperty(Binary.prototype, '_bsontype', { value: 'Binary' });
+	var UUID_BYTE_LENGTH = 16;
+	/**
+	 * A class representation of the BSON UUID type.
+	 * @public
+	 */
+	var UUID = /** @class */ (function (_super) {
+	    __extends(UUID, _super);
+	    /**
+	     * Create an UUID type
+	     *
+	     * @param input - Can be a 32 or 36 character hex string (dashes excluded/included) or a 16 byte binary Buffer.
+	     */
+	    function UUID(input) {
+	        var _this = this;
+	        var bytes;
+	        var hexStr;
+	        if (input == null) {
+	            bytes = UUID.generate();
+	        }
+	        else if (input instanceof UUID) {
+	            bytes = buffer_1.from(input.buffer);
+	            hexStr = input.__id;
+	        }
+	        else if (ArrayBuffer.isView(input) && input.byteLength === UUID_BYTE_LENGTH) {
+	            bytes = ensureBuffer(input);
+	        }
+	        else if (typeof input === 'string') {
+	            bytes = uuidHexStringToBuffer(input);
+	        }
+	        else {
+	            throw new BSONTypeError('Argument passed in UUID constructor must be a UUID, a 16 byte Buffer or a 32/36 character hex string (dashes excluded/included, format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).');
+	        }
+	        _this = _super.call(this, bytes, BSON_BINARY_SUBTYPE_UUID_NEW) || this;
+	        _this.__id = hexStr;
+	        return _this;
+	    }
+	    Object.defineProperty(UUID.prototype, "id", {
+	        /**
+	         * The UUID bytes
+	         * @readonly
+	         */
+	        get: function () {
+	            return this.buffer;
+	        },
+	        set: function (value) {
+	            this.buffer = value;
+	            if (UUID.cacheHexString) {
+	                this.__id = bufferToUuidHexString(value);
+	            }
+	        },
+	        enumerable: false,
+	        configurable: true
+	    });
+	    /**
+	     * Returns the UUID id as a 32 or 36 character hex string representation, excluding/including dashes (defaults to 36 character dash separated)
+	     * @param includeDashes - should the string exclude dash-separators.
+	     * */
+	    UUID.prototype.toHexString = function (includeDashes) {
+	        if (includeDashes === void 0) { includeDashes = true; }
+	        if (UUID.cacheHexString && this.__id) {
+	            return this.__id;
+	        }
+	        var uuidHexString = bufferToUuidHexString(this.id, includeDashes);
+	        if (UUID.cacheHexString) {
+	            this.__id = uuidHexString;
+	        }
+	        return uuidHexString;
+	    };
+	    /**
+	     * Converts the id into a 36 character (dashes included) hex string, unless a encoding is specified.
+	     */
+	    UUID.prototype.toString = function (encoding) {
+	        return encoding ? this.id.toString(encoding) : this.toHexString();
+	    };
+	    /**
+	     * Converts the id into its JSON string representation.
+	     * A 36 character (dashes included) hex string in the format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+	     */
+	    UUID.prototype.toJSON = function () {
+	        return this.toHexString();
+	    };
+	    /**
+	     * Compares the equality of this UUID with `otherID`.
+	     *
+	     * @param otherId - UUID instance to compare against.
+	     */
+	    UUID.prototype.equals = function (otherId) {
+	        if (!otherId) {
+	            return false;
+	        }
+	        if (otherId instanceof UUID) {
+	            return otherId.id.equals(this.id);
+	        }
+	        try {
+	            return new UUID(otherId).id.equals(this.id);
+	        }
+	        catch (_a) {
+	            return false;
+	        }
+	    };
+	    /**
+	     * Creates a Binary instance from the current UUID.
+	     */
+	    UUID.prototype.toBinary = function () {
+	        return new Binary(this.id, Binary.SUBTYPE_UUID);
+	    };
+	    /**
+	     * Generates a populated buffer containing a v4 uuid
+	     */
+	    UUID.generate = function () {
+	        var bytes = randomBytes(UUID_BYTE_LENGTH);
+	        // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
+	        // Kindly borrowed from https://github.com/uuidjs/uuid/blob/master/src/v4.js
+	        bytes[6] = (bytes[6] & 0x0f) | 0x40;
+	        bytes[8] = (bytes[8] & 0x3f) | 0x80;
+	        return buffer_1.from(bytes);
+	    };
+	    /**
+	     * Checks if a value is a valid bson UUID
+	     * @param input - UUID, string or Buffer to validate.
+	     */
+	    UUID.isValid = function (input) {
+	        if (!input) {
+	            return false;
+	        }
+	        if (input instanceof UUID) {
+	            return true;
+	        }
+	        if (typeof input === 'string') {
+	            return uuidValidateString(input);
+	        }
+	        if (isUint8Array(input)) {
+	            // check for length & uuid version (https://tools.ietf.org/html/rfc4122#section-4.1.3)
+	            if (input.length !== UUID_BYTE_LENGTH) {
+	                return false;
+	            }
+	            return (input[6] & 0xf0) === 0x40 && (input[8] & 0x80) === 0x80;
+	        }
+	        return false;
+	    };
+	    /**
+	     * Creates an UUID from a hex string representation of an UUID.
+	     * @param hexString - 32 or 36 character hex string (dashes excluded/included).
+	     */
+	    UUID.createFromHexString = function (hexString) {
+	        var buffer = uuidHexStringToBuffer(hexString);
+	        return new UUID(buffer);
+	    };
+	    /**
+	     * Converts to a string representation of this Id.
+	     *
+	     * @returns return the 36 character hex string representation.
+	     * @internal
+	     */
+	    UUID.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    UUID.prototype.inspect = function () {
+	        return "new UUID(\"".concat(this.toHexString(), "\")");
+	    };
+	    return UUID;
+	}(Binary));
+
+	/**
+	 * A class representation of the BSON Code type.
+	 * @public
+	 * @category BSONType
+	 */
+	var Code = /** @class */ (function () {
+	    /**
+	     * @param code - a string or function.
+	     * @param scope - an optional scope for the function.
+	     */
+	    function Code(code, scope) {
+	        if (!(this instanceof Code))
+	            return new Code(code, scope);
+	        this.code = code;
+	        this.scope = scope;
+	    }
+	    Code.prototype.toJSON = function () {
+	        return { code: this.code, scope: this.scope };
+	    };
+	    /** @internal */
+	    Code.prototype.toExtendedJSON = function () {
+	        if (this.scope) {
+	            return { $code: this.code, $scope: this.scope };
+	        }
+	        return { $code: this.code };
+	    };
+	    /** @internal */
+	    Code.fromExtendedJSON = function (doc) {
+	        return new Code(doc.$code, doc.$scope);
+	    };
+	    /** @internal */
+	    Code.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Code.prototype.inspect = function () {
+	        var codeJson = this.toJSON();
+	        return "new Code(\"".concat(String(codeJson.code), "\"").concat(codeJson.scope ? ", ".concat(JSON.stringify(codeJson.scope)) : '', ")");
+	    };
+	    return Code;
+	}());
+	Object.defineProperty(Code.prototype, '_bsontype', { value: 'Code' });
+
+	/** @internal */
+	function isDBRefLike(value) {
+	    return (isObjectLike(value) &&
+	        value.$id != null &&
+	        typeof value.$ref === 'string' &&
+	        (value.$db == null || typeof value.$db === 'string'));
+	}
+	/**
+	 * A class representation of the BSON DBRef type.
+	 * @public
+	 * @category BSONType
+	 */
+	var DBRef = /** @class */ (function () {
+	    /**
+	     * @param collection - the collection name.
+	     * @param oid - the reference ObjectId.
+	     * @param db - optional db name, if omitted the reference is local to the current db.
+	     */
+	    function DBRef(collection, oid, db, fields) {
+	        if (!(this instanceof DBRef))
+	            return new DBRef(collection, oid, db, fields);
+	        // check if namespace has been provided
+	        var parts = collection.split('.');
+	        if (parts.length === 2) {
+	            db = parts.shift();
+	            // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+	            collection = parts.shift();
+	        }
+	        this.collection = collection;
+	        this.oid = oid;
+	        this.db = db;
+	        this.fields = fields || {};
+	    }
+	    Object.defineProperty(DBRef.prototype, "namespace", {
+	        // Property provided for compatibility with the 1.x parser
+	        // the 1.x parser used a "namespace" property, while 4.x uses "collection"
+	        /** @internal */
+	        get: function () {
+	            return this.collection;
+	        },
+	        set: function (value) {
+	            this.collection = value;
+	        },
+	        enumerable: false,
+	        configurable: true
+	    });
+	    DBRef.prototype.toJSON = function () {
+	        var o = Object.assign({
+	            $ref: this.collection,
+	            $id: this.oid
+	        }, this.fields);
+	        if (this.db != null)
+	            o.$db = this.db;
+	        return o;
+	    };
+	    /** @internal */
+	    DBRef.prototype.toExtendedJSON = function (options) {
+	        options = options || {};
+	        var o = {
+	            $ref: this.collection,
+	            $id: this.oid
+	        };
+	        if (options.legacy) {
+	            return o;
+	        }
+	        if (this.db)
+	            o.$db = this.db;
+	        o = Object.assign(o, this.fields);
+	        return o;
+	    };
+	    /** @internal */
+	    DBRef.fromExtendedJSON = function (doc) {
+	        var copy = Object.assign({}, doc);
+	        delete copy.$ref;
+	        delete copy.$id;
+	        delete copy.$db;
+	        return new DBRef(doc.$ref, doc.$id, doc.$db, copy);
+	    };
+	    /** @internal */
+	    DBRef.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    DBRef.prototype.inspect = function () {
+	        // NOTE: if OID is an ObjectId class it will just print the oid string.
+	        var oid = this.oid === undefined || this.oid.toString === undefined ? this.oid : this.oid.toString();
+	        return "new DBRef(\"".concat(this.namespace, "\", new ObjectId(\"").concat(String(oid), "\")").concat(this.db ? ", \"".concat(this.db, "\"") : '', ")");
+	    };
+	    return DBRef;
+	}());
+	Object.defineProperty(DBRef.prototype, '_bsontype', { value: 'DBRef' });
+
+	/**
+	 * wasm optimizations, to do native i64 multiplication and divide
+	 */
+	var wasm = undefined;
+	try {
+	    wasm = new WebAssembly.Instance(new WebAssembly.Module(
+	    // prettier-ignore
+	    new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0, 1, 13, 2, 96, 0, 1, 127, 96, 4, 127, 127, 127, 127, 1, 127, 3, 7, 6, 0, 1, 1, 1, 1, 1, 6, 6, 1, 127, 1, 65, 0, 11, 7, 50, 6, 3, 109, 117, 108, 0, 1, 5, 100, 105, 118, 95, 115, 0, 2, 5, 100, 105, 118, 95, 117, 0, 3, 5, 114, 101, 109, 95, 115, 0, 4, 5, 114, 101, 109, 95, 117, 0, 5, 8, 103, 101, 116, 95, 104, 105, 103, 104, 0, 0, 10, 191, 1, 6, 4, 0, 35, 0, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 126, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 127, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 128, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 129, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 130, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11])), {}).exports;
+	}
+	catch (_a) {
+	    // no wasm support
+	}
+	var TWO_PWR_16_DBL = 1 << 16;
+	var TWO_PWR_24_DBL = 1 << 24;
+	var TWO_PWR_32_DBL = TWO_PWR_16_DBL * TWO_PWR_16_DBL;
+	var TWO_PWR_64_DBL = TWO_PWR_32_DBL * TWO_PWR_32_DBL;
+	var TWO_PWR_63_DBL = TWO_PWR_64_DBL / 2;
+	/** A cache of the Long representations of small integer values. */
+	var INT_CACHE = {};
+	/** A cache of the Long representations of small unsigned integer values. */
+	var UINT_CACHE = {};
+	/**
+	 * A class representing a 64-bit integer
+	 * @public
+	 * @category BSONType
+	 * @remarks
+	 * The internal representation of a long is the two given signed, 32-bit values.
+	 * We use 32-bit pieces because these are the size of integers on which
+	 * Javascript performs bit-operations.  For operations like addition and
+	 * multiplication, we split each number into 16 bit pieces, which can easily be
+	 * multiplied within Javascript's floating-point representation without overflow
+	 * or change in sign.
+	 * In the algorithms below, we frequently reduce the negative case to the
+	 * positive case by negating the input(s) and then post-processing the result.
+	 * Note that we must ALWAYS check specially whether those values are MIN_VALUE
+	 * (-2^63) because -MIN_VALUE == MIN_VALUE (since 2^63 cannot be represented as
+	 * a positive number, it overflows back into a negative).  Not handling this
+	 * case would often result in infinite recursion.
+	 * Common constant values ZERO, ONE, NEG_ONE, etc. are found as static properties on this class.
+	 */
+	var Long = /** @class */ (function () {
+	    /**
+	     * Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as *signed* integers.
+	     *  See the from* functions below for more convenient ways of constructing Longs.
+	     *
+	     * Acceptable signatures are:
+	     * - Long(low, high, unsigned?)
+	     * - Long(bigint, unsigned?)
+	     * - Long(string, unsigned?)
+	     *
+	     * @param low - The low (signed) 32 bits of the long
+	     * @param high - The high (signed) 32 bits of the long
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     */
+	    function Long(low, high, unsigned) {
+	        if (low === void 0) { low = 0; }
+	        if (!(this instanceof Long))
+	            return new Long(low, high, unsigned);
+	        if (typeof low === 'bigint') {
+	            Object.assign(this, Long.fromBigInt(low, !!high));
+	        }
+	        else if (typeof low === 'string') {
+	            Object.assign(this, Long.fromString(low, !!high));
+	        }
+	        else {
+	            this.low = low | 0;
+	            this.high = high | 0;
+	            this.unsigned = !!unsigned;
+	        }
+	        Object.defineProperty(this, '__isLong__', {
+	            value: true,
+	            configurable: false,
+	            writable: false,
+	            enumerable: false
+	        });
+	    }
+	    /**
+	     * Returns a Long representing the 64 bit integer that comes by concatenating the given low and high bits.
+	     * Each is assumed to use 32 bits.
+	     * @param lowBits - The low 32 bits
+	     * @param highBits - The high 32 bits
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromBits = function (lowBits, highBits, unsigned) {
+	        return new Long(lowBits, highBits, unsigned);
+	    };
+	    /**
+	     * Returns a Long representing the given 32 bit integer value.
+	     * @param value - The 32 bit integer in question
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromInt = function (value, unsigned) {
+	        var obj, cachedObj, cache;
+	        if (unsigned) {
+	            value >>>= 0;
+	            if ((cache = 0 <= value && value < 256)) {
+	                cachedObj = UINT_CACHE[value];
+	                if (cachedObj)
+	                    return cachedObj;
+	            }
+	            obj = Long.fromBits(value, (value | 0) < 0 ? -1 : 0, true);
+	            if (cache)
+	                UINT_CACHE[value] = obj;
+	            return obj;
+	        }
+	        else {
+	            value |= 0;
+	            if ((cache = -128 <= value && value < 128)) {
+	                cachedObj = INT_CACHE[value];
+	                if (cachedObj)
+	                    return cachedObj;
+	            }
+	            obj = Long.fromBits(value, value < 0 ? -1 : 0, false);
+	            if (cache)
+	                INT_CACHE[value] = obj;
+	            return obj;
+	        }
+	    };
+	    /**
+	     * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+	     * @param value - The number in question
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromNumber = function (value, unsigned) {
+	        if (isNaN(value))
+	            return unsigned ? Long.UZERO : Long.ZERO;
+	        if (unsigned) {
+	            if (value < 0)
+	                return Long.UZERO;
+	            if (value >= TWO_PWR_64_DBL)
+	                return Long.MAX_UNSIGNED_VALUE;
+	        }
+	        else {
+	            if (value <= -TWO_PWR_63_DBL)
+	                return Long.MIN_VALUE;
+	            if (value + 1 >= TWO_PWR_63_DBL)
+	                return Long.MAX_VALUE;
+	        }
+	        if (value < 0)
+	            return Long.fromNumber(-value, unsigned).neg();
+	        return Long.fromBits(value % TWO_PWR_32_DBL | 0, (value / TWO_PWR_32_DBL) | 0, unsigned);
+	    };
+	    /**
+	     * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+	     * @param value - The number in question
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromBigInt = function (value, unsigned) {
+	        return Long.fromString(value.toString(), unsigned);
+	    };
+	    /**
+	     * Returns a Long representation of the given string, written using the specified radix.
+	     * @param str - The textual representation of the Long
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @param radix - The radix in which the text is written (2-36), defaults to 10
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromString = function (str, unsigned, radix) {
+	        if (str.length === 0)
+	            throw Error('empty string');
+	        if (str === 'NaN' || str === 'Infinity' || str === '+Infinity' || str === '-Infinity')
+	            return Long.ZERO;
+	        if (typeof unsigned === 'number') {
+	            // For goog.math.long compatibility
+	            (radix = unsigned), (unsigned = false);
+	        }
+	        else {
+	            unsigned = !!unsigned;
+	        }
+	        radix = radix || 10;
+	        if (radix < 2 || 36 < radix)
+	            throw RangeError('radix');
+	        var p;
+	        if ((p = str.indexOf('-')) > 0)
+	            throw Error('interior hyphen');
+	        else if (p === 0) {
+	            return Long.fromString(str.substring(1), unsigned, radix).neg();
+	        }
+	        // Do several (8) digits each time through the loop, so as to
+	        // minimize the calls to the very expensive emulated div.
+	        var radixToPower = Long.fromNumber(Math.pow(radix, 8));
+	        var result = Long.ZERO;
+	        for (var i = 0; i < str.length; i += 8) {
+	            var size = Math.min(8, str.length - i), value = parseInt(str.substring(i, i + size), radix);
+	            if (size < 8) {
+	                var power = Long.fromNumber(Math.pow(radix, size));
+	                result = result.mul(power).add(Long.fromNumber(value));
+	            }
+	            else {
+	                result = result.mul(radixToPower);
+	                result = result.add(Long.fromNumber(value));
+	            }
+	        }
+	        result.unsigned = unsigned;
+	        return result;
+	    };
+	    /**
+	     * Creates a Long from its byte representation.
+	     * @param bytes - Byte representation
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @param le - Whether little or big endian, defaults to big endian
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromBytes = function (bytes, unsigned, le) {
+	        return le ? Long.fromBytesLE(bytes, unsigned) : Long.fromBytesBE(bytes, unsigned);
+	    };
+	    /**
+	     * Creates a Long from its little endian byte representation.
+	     * @param bytes - Little endian byte representation
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromBytesLE = function (bytes, unsigned) {
+	        return new Long(bytes[0] | (bytes[1] << 8) | (bytes[2] << 16) | (bytes[3] << 24), bytes[4] | (bytes[5] << 8) | (bytes[6] << 16) | (bytes[7] << 24), unsigned);
+	    };
+	    /**
+	     * Creates a Long from its big endian byte representation.
+	     * @param bytes - Big endian byte representation
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     * @returns The corresponding Long value
+	     */
+	    Long.fromBytesBE = function (bytes, unsigned) {
+	        return new Long((bytes[4] << 24) | (bytes[5] << 16) | (bytes[6] << 8) | bytes[7], (bytes[0] << 24) | (bytes[1] << 16) | (bytes[2] << 8) | bytes[3], unsigned);
+	    };
+	    /**
+	     * Tests if the specified object is a Long.
+	     */
+	    Long.isLong = function (value) {
+	        return isObjectLike(value) && value['__isLong__'] === true;
+	    };
+	    /**
+	     * Converts the specified value to a Long.
+	     * @param unsigned - Whether unsigned or not, defaults to signed
+	     */
+	    Long.fromValue = function (val, unsigned) {
+	        if (typeof val === 'number')
+	            return Long.fromNumber(val, unsigned);
+	        if (typeof val === 'string')
+	            return Long.fromString(val, unsigned);
+	        // Throws for non-objects, converts non-instanceof Long:
+	        return Long.fromBits(val.low, val.high, typeof unsigned === 'boolean' ? unsigned : val.unsigned);
+	    };
+	    /** Returns the sum of this and the specified Long. */
+	    Long.prototype.add = function (addend) {
+	        if (!Long.isLong(addend))
+	            addend = Long.fromValue(addend);
+	        // Divide each number into 4 chunks of 16 bits, and then sum the chunks.
+	        var a48 = this.high >>> 16;
+	        var a32 = this.high & 0xffff;
+	        var a16 = this.low >>> 16;
+	        var a00 = this.low & 0xffff;
+	        var b48 = addend.high >>> 16;
+	        var b32 = addend.high & 0xffff;
+	        var b16 = addend.low >>> 16;
+	        var b00 = addend.low & 0xffff;
+	        var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
+	        c00 += a00 + b00;
+	        c16 += c00 >>> 16;
+	        c00 &= 0xffff;
+	        c16 += a16 + b16;
+	        c32 += c16 >>> 16;
+	        c16 &= 0xffff;
+	        c32 += a32 + b32;
+	        c48 += c32 >>> 16;
+	        c32 &= 0xffff;
+	        c48 += a48 + b48;
+	        c48 &= 0xffff;
+	        return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+	    };
+	    /**
+	     * Returns the sum of this and the specified Long.
+	     * @returns Sum
+	     */
+	    Long.prototype.and = function (other) {
+	        if (!Long.isLong(other))
+	            other = Long.fromValue(other);
+	        return Long.fromBits(this.low & other.low, this.high & other.high, this.unsigned);
+	    };
+	    /**
+	     * Compares this Long's value with the specified's.
+	     * @returns 0 if they are the same, 1 if the this is greater and -1 if the given one is greater
+	     */
+	    Long.prototype.compare = function (other) {
+	        if (!Long.isLong(other))
+	            other = Long.fromValue(other);
+	        if (this.eq(other))
+	            return 0;
+	        var thisNeg = this.isNegative(), otherNeg = other.isNegative();
+	        if (thisNeg && !otherNeg)
+	            return -1;
+	        if (!thisNeg && otherNeg)
+	            return 1;
+	        // At this point the sign bits are the same
+	        if (!this.unsigned)
+	            return this.sub(other).isNegative() ? -1 : 1;
+	        // Both are positive if at least one is unsigned
+	        return other.high >>> 0 > this.high >>> 0 ||
+	            (other.high === this.high && other.low >>> 0 > this.low >>> 0)
+	            ? -1
+	            : 1;
+	    };
+	    /** This is an alias of {@link Long.compare} */
+	    Long.prototype.comp = function (other) {
+	        return this.compare(other);
+	    };
+	    /**
+	     * Returns this Long divided by the specified. The result is signed if this Long is signed or unsigned if this Long is unsigned.
+	     * @returns Quotient
+	     */
+	    Long.prototype.divide = function (divisor) {
+	        if (!Long.isLong(divisor))
+	            divisor = Long.fromValue(divisor);
+	        if (divisor.isZero())
+	            throw Error('division by zero');
+	        // use wasm support if present
+	        if (wasm) {
+	            // guard against signed division overflow: the largest
+	            // negative number / -1 would be 1 larger than the largest
+	            // positive number, due to two's complement.
+	            if (!this.unsigned &&
+	                this.high === -0x80000000 &&
+	                divisor.low === -1 &&
+	                divisor.high === -1) {
+	                // be consistent with non-wasm code path
+	                return this;
+	            }
+	            var low = (this.unsigned ? wasm.div_u : wasm.div_s)(this.low, this.high, divisor.low, divisor.high);
+	            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+	        }
+	        if (this.isZero())
+	            return this.unsigned ? Long.UZERO : Long.ZERO;
+	        var approx, rem, res;
+	        if (!this.unsigned) {
+	            // This section is only relevant for signed longs and is derived from the
+	            // closure library as a whole.
+	            if (this.eq(Long.MIN_VALUE)) {
+	                if (divisor.eq(Long.ONE) || divisor.eq(Long.NEG_ONE))
+	                    return Long.MIN_VALUE;
+	                // recall that -MIN_VALUE == MIN_VALUE
+	                else if (divisor.eq(Long.MIN_VALUE))
+	                    return Long.ONE;
+	                else {
+	                    // At this point, we have |other| >= 2, so |this/other| < |MIN_VALUE|.
+	                    var halfThis = this.shr(1);
+	                    approx = halfThis.div(divisor).shl(1);
+	                    if (approx.eq(Long.ZERO)) {
+	                        return divisor.isNegative() ? Long.ONE : Long.NEG_ONE;
+	                    }
+	                    else {
+	                        rem = this.sub(divisor.mul(approx));
+	                        res = approx.add(rem.div(divisor));
+	                        return res;
+	                    }
+	                }
+	            }
+	            else if (divisor.eq(Long.MIN_VALUE))
+	                return this.unsigned ? Long.UZERO : Long.ZERO;
+	            if (this.isNegative()) {
+	                if (divisor.isNegative())
+	                    return this.neg().div(divisor.neg());
+	                return this.neg().div(divisor).neg();
+	            }
+	            else if (divisor.isNegative())
+	                return this.div(divisor.neg()).neg();
+	            res = Long.ZERO;
+	        }
+	        else {
+	            // The algorithm below has not been made for unsigned longs. It's therefore
+	            // required to take special care of the MSB prior to running it.
+	            if (!divisor.unsigned)
+	                divisor = divisor.toUnsigned();
+	            if (divisor.gt(this))
+	                return Long.UZERO;
+	            if (divisor.gt(this.shru(1)))
+	                // 15 >>> 1 = 7 ; with divisor = 8 ; true
+	                return Long.UONE;
+	            res = Long.UZERO;
+	        }
+	        // Repeat the following until the remainder is less than other:  find a
+	        // floating-point that approximates remainder / other *from below*, add this
+	        // into the result, and subtract it from the remainder.  It is critical that
+	        // the approximate value is less than or equal to the real value so that the
+	        // remainder never becomes negative.
+	        // eslint-disable-next-line @typescript-eslint/no-this-alias
+	        rem = this;
+	        while (rem.gte(divisor)) {
+	            // Approximate the result of division. This may be a little greater or
+	            // smaller than the actual value.
+	            approx = Math.max(1, Math.floor(rem.toNumber() / divisor.toNumber()));
+	            // We will tweak the approximate result by changing it in the 48-th digit or
+	            // the smallest non-fractional digit, whichever is larger.
+	            var log2 = Math.ceil(Math.log(approx) / Math.LN2);
+	            var delta = log2 <= 48 ? 1 : Math.pow(2, log2 - 48);
+	            // Decrease the approximation until it is smaller than the remainder.  Note
+	            // that if it is too large, the product overflows and is negative.
+	            var approxRes = Long.fromNumber(approx);
+	            var approxRem = approxRes.mul(divisor);
+	            while (approxRem.isNegative() || approxRem.gt(rem)) {
+	                approx -= delta;
+	                approxRes = Long.fromNumber(approx, this.unsigned);
+	                approxRem = approxRes.mul(divisor);
+	            }
+	            // We know the answer can't be zero... and actually, zero would cause
+	            // infinite recursion since we would make no progress.
+	            if (approxRes.isZero())
+	                approxRes = Long.ONE;
+	            res = res.add(approxRes);
+	            rem = rem.sub(approxRem);
+	        }
+	        return res;
+	    };
+	    /**This is an alias of {@link Long.divide} */
+	    Long.prototype.div = function (divisor) {
+	        return this.divide(divisor);
+	    };
+	    /**
+	     * Tests if this Long's value equals the specified's.
+	     * @param other - Other value
+	     */
+	    Long.prototype.equals = function (other) {
+	        if (!Long.isLong(other))
+	            other = Long.fromValue(other);
+	        if (this.unsigned !== other.unsigned && this.high >>> 31 === 1 && other.high >>> 31 === 1)
+	            return false;
+	        return this.high === other.high && this.low === other.low;
+	    };
+	    /** This is an alias of {@link Long.equals} */
+	    Long.prototype.eq = function (other) {
+	        return this.equals(other);
+	    };
+	    /** Gets the high 32 bits as a signed integer. */
+	    Long.prototype.getHighBits = function () {
+	        return this.high;
+	    };
+	    /** Gets the high 32 bits as an unsigned integer. */
+	    Long.prototype.getHighBitsUnsigned = function () {
+	        return this.high >>> 0;
+	    };
+	    /** Gets the low 32 bits as a signed integer. */
+	    Long.prototype.getLowBits = function () {
+	        return this.low;
+	    };
+	    /** Gets the low 32 bits as an unsigned integer. */
+	    Long.prototype.getLowBitsUnsigned = function () {
+	        return this.low >>> 0;
+	    };
+	    /** Gets the number of bits needed to represent the absolute value of this Long. */
+	    Long.prototype.getNumBitsAbs = function () {
+	        if (this.isNegative()) {
+	            // Unsigned Longs are never negative
+	            return this.eq(Long.MIN_VALUE) ? 64 : this.neg().getNumBitsAbs();
+	        }
+	        var val = this.high !== 0 ? this.high : this.low;
+	        var bit;
+	        for (bit = 31; bit > 0; bit--)
+	            if ((val & (1 << bit)) !== 0)
+	                break;
+	        return this.high !== 0 ? bit + 33 : bit + 1;
+	    };
+	    /** Tests if this Long's value is greater than the specified's. */
+	    Long.prototype.greaterThan = function (other) {
+	        return this.comp(other) > 0;
+	    };
+	    /** This is an alias of {@link Long.greaterThan} */
+	    Long.prototype.gt = function (other) {
+	        return this.greaterThan(other);
+	    };
+	    /** Tests if this Long's value is greater than or equal the specified's. */
+	    Long.prototype.greaterThanOrEqual = function (other) {
+	        return this.comp(other) >= 0;
+	    };
+	    /** This is an alias of {@link Long.greaterThanOrEqual} */
+	    Long.prototype.gte = function (other) {
+	        return this.greaterThanOrEqual(other);
+	    };
+	    /** This is an alias of {@link Long.greaterThanOrEqual} */
+	    Long.prototype.ge = function (other) {
+	        return this.greaterThanOrEqual(other);
+	    };
+	    /** Tests if this Long's value is even. */
+	    Long.prototype.isEven = function () {
+	        return (this.low & 1) === 0;
+	    };
+	    /** Tests if this Long's value is negative. */
+	    Long.prototype.isNegative = function () {
+	        return !this.unsigned && this.high < 0;
+	    };
+	    /** Tests if this Long's value is odd. */
+	    Long.prototype.isOdd = function () {
+	        return (this.low & 1) === 1;
+	    };
+	    /** Tests if this Long's value is positive. */
+	    Long.prototype.isPositive = function () {
+	        return this.unsigned || this.high >= 0;
+	    };
+	    /** Tests if this Long's value equals zero. */
+	    Long.prototype.isZero = function () {
+	        return this.high === 0 && this.low === 0;
+	    };
+	    /** Tests if this Long's value is less than the specified's. */
+	    Long.prototype.lessThan = function (other) {
+	        return this.comp(other) < 0;
+	    };
+	    /** This is an alias of {@link Long#lessThan}. */
+	    Long.prototype.lt = function (other) {
+	        return this.lessThan(other);
+	    };
+	    /** Tests if this Long's value is less than or equal the specified's. */
+	    Long.prototype.lessThanOrEqual = function (other) {
+	        return this.comp(other) <= 0;
+	    };
+	    /** This is an alias of {@link Long.lessThanOrEqual} */
+	    Long.prototype.lte = function (other) {
+	        return this.lessThanOrEqual(other);
+	    };
+	    /** Returns this Long modulo the specified. */
+	    Long.prototype.modulo = function (divisor) {
+	        if (!Long.isLong(divisor))
+	            divisor = Long.fromValue(divisor);
+	        // use wasm support if present
+	        if (wasm) {
+	            var low = (this.unsigned ? wasm.rem_u : wasm.rem_s)(this.low, this.high, divisor.low, divisor.high);
+	            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+	        }
+	        return this.sub(this.div(divisor).mul(divisor));
+	    };
+	    /** This is an alias of {@link Long.modulo} */
+	    Long.prototype.mod = function (divisor) {
+	        return this.modulo(divisor);
+	    };
+	    /** This is an alias of {@link Long.modulo} */
+	    Long.prototype.rem = function (divisor) {
+	        return this.modulo(divisor);
+	    };
+	    /**
+	     * Returns the product of this and the specified Long.
+	     * @param multiplier - Multiplier
+	     * @returns Product
+	     */
+	    Long.prototype.multiply = function (multiplier) {
+	        if (this.isZero())
+	            return Long.ZERO;
+	        if (!Long.isLong(multiplier))
+	            multiplier = Long.fromValue(multiplier);
+	        // use wasm support if present
+	        if (wasm) {
+	            var low = wasm.mul(this.low, this.high, multiplier.low, multiplier.high);
+	            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+	        }
+	        if (multiplier.isZero())
+	            return Long.ZERO;
+	        if (this.eq(Long.MIN_VALUE))
+	            return multiplier.isOdd() ? Long.MIN_VALUE : Long.ZERO;
+	        if (multiplier.eq(Long.MIN_VALUE))
+	            return this.isOdd() ? Long.MIN_VALUE : Long.ZERO;
+	        if (this.isNegative()) {
+	            if (multiplier.isNegative())
+	                return this.neg().mul(multiplier.neg());
+	            else
+	                return this.neg().mul(multiplier).neg();
+	        }
+	        else if (multiplier.isNegative())
+	            return this.mul(multiplier.neg()).neg();
+	        // If both longs are small, use float multiplication
+	        if (this.lt(Long.TWO_PWR_24) && multiplier.lt(Long.TWO_PWR_24))
+	            return Long.fromNumber(this.toNumber() * multiplier.toNumber(), this.unsigned);
+	        // Divide each long into 4 chunks of 16 bits, and then add up 4x4 products.
+	        // We can skip products that would overflow.
+	        var a48 = this.high >>> 16;
+	        var a32 = this.high & 0xffff;
+	        var a16 = this.low >>> 16;
+	        var a00 = this.low & 0xffff;
+	        var b48 = multiplier.high >>> 16;
+	        var b32 = multiplier.high & 0xffff;
+	        var b16 = multiplier.low >>> 16;
+	        var b00 = multiplier.low & 0xffff;
+	        var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
+	        c00 += a00 * b00;
+	        c16 += c00 >>> 16;
+	        c00 &= 0xffff;
+	        c16 += a16 * b00;
+	        c32 += c16 >>> 16;
+	        c16 &= 0xffff;
+	        c16 += a00 * b16;
+	        c32 += c16 >>> 16;
+	        c16 &= 0xffff;
+	        c32 += a32 * b00;
+	        c48 += c32 >>> 16;
+	        c32 &= 0xffff;
+	        c32 += a16 * b16;
+	        c48 += c32 >>> 16;
+	        c32 &= 0xffff;
+	        c32 += a00 * b32;
+	        c48 += c32 >>> 16;
+	        c32 &= 0xffff;
+	        c48 += a48 * b00 + a32 * b16 + a16 * b32 + a00 * b48;
+	        c48 &= 0xffff;
+	        return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+	    };
+	    /** This is an alias of {@link Long.multiply} */
+	    Long.prototype.mul = function (multiplier) {
+	        return this.multiply(multiplier);
+	    };
+	    /** Returns the Negation of this Long's value. */
+	    Long.prototype.negate = function () {
+	        if (!this.unsigned && this.eq(Long.MIN_VALUE))
+	            return Long.MIN_VALUE;
+	        return this.not().add(Long.ONE);
+	    };
+	    /** This is an alias of {@link Long.negate} */
+	    Long.prototype.neg = function () {
+	        return this.negate();
+	    };
+	    /** Returns the bitwise NOT of this Long. */
+	    Long.prototype.not = function () {
+	        return Long.fromBits(~this.low, ~this.high, this.unsigned);
+	    };
+	    /** Tests if this Long's value differs from the specified's. */
+	    Long.prototype.notEquals = function (other) {
+	        return !this.equals(other);
+	    };
+	    /** This is an alias of {@link Long.notEquals} */
+	    Long.prototype.neq = function (other) {
+	        return this.notEquals(other);
+	    };
+	    /** This is an alias of {@link Long.notEquals} */
+	    Long.prototype.ne = function (other) {
+	        return this.notEquals(other);
+	    };
+	    /**
+	     * Returns the bitwise OR of this Long and the specified.
+	     */
+	    Long.prototype.or = function (other) {
+	        if (!Long.isLong(other))
+	            other = Long.fromValue(other);
+	        return Long.fromBits(this.low | other.low, this.high | other.high, this.unsigned);
+	    };
+	    /**
+	     * Returns this Long with bits shifted to the left by the given amount.
+	     * @param numBits - Number of bits
+	     * @returns Shifted Long
+	     */
+	    Long.prototype.shiftLeft = function (numBits) {
+	        if (Long.isLong(numBits))
+	            numBits = numBits.toInt();
+	        if ((numBits &= 63) === 0)
+	            return this;
+	        else if (numBits < 32)
+	            return Long.fromBits(this.low << numBits, (this.high << numBits) | (this.low >>> (32 - numBits)), this.unsigned);
+	        else
+	            return Long.fromBits(0, this.low << (numBits - 32), this.unsigned);
+	    };
+	    /** This is an alias of {@link Long.shiftLeft} */
+	    Long.prototype.shl = function (numBits) {
+	        return this.shiftLeft(numBits);
+	    };
+	    /**
+	     * Returns this Long with bits arithmetically shifted to the right by the given amount.
+	     * @param numBits - Number of bits
+	     * @returns Shifted Long
+	     */
+	    Long.prototype.shiftRight = function (numBits) {
+	        if (Long.isLong(numBits))
+	            numBits = numBits.toInt();
+	        if ((numBits &= 63) === 0)
+	            return this;
+	        else if (numBits < 32)
+	            return Long.fromBits((this.low >>> numBits) | (this.high << (32 - numBits)), this.high >> numBits, this.unsigned);
+	        else
+	            return Long.fromBits(this.high >> (numBits - 32), this.high >= 0 ? 0 : -1, this.unsigned);
+	    };
+	    /** This is an alias of {@link Long.shiftRight} */
+	    Long.prototype.shr = function (numBits) {
+	        return this.shiftRight(numBits);
+	    };
+	    /**
+	     * Returns this Long with bits logically shifted to the right by the given amount.
+	     * @param numBits - Number of bits
+	     * @returns Shifted Long
+	     */
+	    Long.prototype.shiftRightUnsigned = function (numBits) {
+	        if (Long.isLong(numBits))
+	            numBits = numBits.toInt();
+	        numBits &= 63;
+	        if (numBits === 0)
+	            return this;
+	        else {
+	            var high = this.high;
+	            if (numBits < 32) {
+	                var low = this.low;
+	                return Long.fromBits((low >>> numBits) | (high << (32 - numBits)), high >>> numBits, this.unsigned);
+	            }
+	            else if (numBits === 32)
+	                return Long.fromBits(high, 0, this.unsigned);
+	            else
+	                return Long.fromBits(high >>> (numBits - 32), 0, this.unsigned);
+	        }
+	    };
+	    /** This is an alias of {@link Long.shiftRightUnsigned} */
+	    Long.prototype.shr_u = function (numBits) {
+	        return this.shiftRightUnsigned(numBits);
+	    };
+	    /** This is an alias of {@link Long.shiftRightUnsigned} */
+	    Long.prototype.shru = function (numBits) {
+	        return this.shiftRightUnsigned(numBits);
+	    };
+	    /**
+	     * Returns the difference of this and the specified Long.
+	     * @param subtrahend - Subtrahend
+	     * @returns Difference
+	     */
+	    Long.prototype.subtract = function (subtrahend) {
+	        if (!Long.isLong(subtrahend))
+	            subtrahend = Long.fromValue(subtrahend);
+	        return this.add(subtrahend.neg());
+	    };
+	    /** This is an alias of {@link Long.subtract} */
+	    Long.prototype.sub = function (subtrahend) {
+	        return this.subtract(subtrahend);
+	    };
+	    /** Converts the Long to a 32 bit integer, assuming it is a 32 bit integer. */
+	    Long.prototype.toInt = function () {
+	        return this.unsigned ? this.low >>> 0 : this.low;
+	    };
+	    /** Converts the Long to a the nearest floating-point representation of this value (double, 53 bit mantissa). */
+	    Long.prototype.toNumber = function () {
+	        if (this.unsigned)
+	            return (this.high >>> 0) * TWO_PWR_32_DBL + (this.low >>> 0);
+	        return this.high * TWO_PWR_32_DBL + (this.low >>> 0);
+	    };
+	    /** Converts the Long to a BigInt (arbitrary precision). */
+	    Long.prototype.toBigInt = function () {
+	        return BigInt(this.toString());
+	    };
+	    /**
+	     * Converts this Long to its byte representation.
+	     * @param le - Whether little or big endian, defaults to big endian
+	     * @returns Byte representation
+	     */
+	    Long.prototype.toBytes = function (le) {
+	        return le ? this.toBytesLE() : this.toBytesBE();
+	    };
+	    /**
+	     * Converts this Long to its little endian byte representation.
+	     * @returns Little endian byte representation
+	     */
+	    Long.prototype.toBytesLE = function () {
+	        var hi = this.high, lo = this.low;
+	        return [
+	            lo & 0xff,
+	            (lo >>> 8) & 0xff,
+	            (lo >>> 16) & 0xff,
+	            lo >>> 24,
+	            hi & 0xff,
+	            (hi >>> 8) & 0xff,
+	            (hi >>> 16) & 0xff,
+	            hi >>> 24
+	        ];
+	    };
+	    /**
+	     * Converts this Long to its big endian byte representation.
+	     * @returns Big endian byte representation
+	     */
+	    Long.prototype.toBytesBE = function () {
+	        var hi = this.high, lo = this.low;
+	        return [
+	            hi >>> 24,
+	            (hi >>> 16) & 0xff,
+	            (hi >>> 8) & 0xff,
+	            hi & 0xff,
+	            lo >>> 24,
+	            (lo >>> 16) & 0xff,
+	            (lo >>> 8) & 0xff,
+	            lo & 0xff
+	        ];
+	    };
+	    /**
+	     * Converts this Long to signed.
+	     */
+	    Long.prototype.toSigned = function () {
+	        if (!this.unsigned)
+	            return this;
+	        return Long.fromBits(this.low, this.high, false);
+	    };
+	    /**
+	     * Converts the Long to a string written in the specified radix.
+	     * @param radix - Radix (2-36), defaults to 10
+	     * @throws RangeError If `radix` is out of range
+	     */
+	    Long.prototype.toString = function (radix) {
+	        radix = radix || 10;
+	        if (radix < 2 || 36 < radix)
+	            throw RangeError('radix');
+	        if (this.isZero())
+	            return '0';
+	        if (this.isNegative()) {
+	            // Unsigned Longs are never negative
+	            if (this.eq(Long.MIN_VALUE)) {
+	                // We need to change the Long value before it can be negated, so we remove
+	                // the bottom-most digit in this base and then recurse to do the rest.
+	                var radixLong = Long.fromNumber(radix), div = this.div(radixLong), rem1 = div.mul(radixLong).sub(this);
+	                return div.toString(radix) + rem1.toInt().toString(radix);
+	            }
+	            else
+	                return '-' + this.neg().toString(radix);
+	        }
+	        // Do several (6) digits each time through the loop, so as to
+	        // minimize the calls to the very expensive emulated div.
+	        var radixToPower = Long.fromNumber(Math.pow(radix, 6), this.unsigned);
+	        // eslint-disable-next-line @typescript-eslint/no-this-alias
+	        var rem = this;
+	        var result = '';
+	        // eslint-disable-next-line no-constant-condition
+	        while (true) {
+	            var remDiv = rem.div(radixToPower);
+	            var intval = rem.sub(remDiv.mul(radixToPower)).toInt() >>> 0;
+	            var digits = intval.toString(radix);
+	            rem = remDiv;
+	            if (rem.isZero()) {
+	                return digits + result;
+	            }
+	            else {
+	                while (digits.length < 6)
+	                    digits = '0' + digits;
+	                result = '' + digits + result;
+	            }
+	        }
+	    };
+	    /** Converts this Long to unsigned. */
+	    Long.prototype.toUnsigned = function () {
+	        if (this.unsigned)
+	            return this;
+	        return Long.fromBits(this.low, this.high, true);
+	    };
+	    /** Returns the bitwise XOR of this Long and the given one. */
+	    Long.prototype.xor = function (other) {
+	        if (!Long.isLong(other))
+	            other = Long.fromValue(other);
+	        return Long.fromBits(this.low ^ other.low, this.high ^ other.high, this.unsigned);
+	    };
+	    /** This is an alias of {@link Long.isZero} */
+	    Long.prototype.eqz = function () {
+	        return this.isZero();
+	    };
+	    /** This is an alias of {@link Long.lessThanOrEqual} */
+	    Long.prototype.le = function (other) {
+	        return this.lessThanOrEqual(other);
+	    };
+	    /*
+	     ****************************************************************
+	     *                  BSON SPECIFIC ADDITIONS                     *
+	     ****************************************************************
+	     */
+	    Long.prototype.toExtendedJSON = function (options) {
+	        if (options && options.relaxed)
+	            return this.toNumber();
+	        return { $numberLong: this.toString() };
+	    };
+	    Long.fromExtendedJSON = function (doc, options) {
+	        var result = Long.fromString(doc.$numberLong);
+	        return options && options.relaxed ? result.toNumber() : result;
+	    };
+	    /** @internal */
+	    Long.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Long.prototype.inspect = function () {
+	        return "new Long(\"".concat(this.toString(), "\"").concat(this.unsigned ? ', true' : '', ")");
+	    };
+	    Long.TWO_PWR_24 = Long.fromInt(TWO_PWR_24_DBL);
+	    /** Maximum unsigned value. */
+	    Long.MAX_UNSIGNED_VALUE = Long.fromBits(0xffffffff | 0, 0xffffffff | 0, true);
+	    /** Signed zero */
+	    Long.ZERO = Long.fromInt(0);
+	    /** Unsigned zero. */
+	    Long.UZERO = Long.fromInt(0, true);
+	    /** Signed one. */
+	    Long.ONE = Long.fromInt(1);
+	    /** Unsigned one. */
+	    Long.UONE = Long.fromInt(1, true);
+	    /** Signed negative one. */
+	    Long.NEG_ONE = Long.fromInt(-1);
+	    /** Maximum signed value. */
+	    Long.MAX_VALUE = Long.fromBits(0xffffffff | 0, 0x7fffffff | 0, false);
+	    /** Minimum signed value. */
+	    Long.MIN_VALUE = Long.fromBits(0, 0x80000000 | 0, false);
+	    return Long;
+	}());
+	Object.defineProperty(Long.prototype, '__isLong__', { value: true });
+	Object.defineProperty(Long.prototype, '_bsontype', { value: 'Long' });
+
+	var PARSE_STRING_REGEXP = /^(\+|-)?(\d+|(\d*\.\d*))?(E|e)?([-+])?(\d+)?$/;
+	var PARSE_INF_REGEXP = /^(\+|-)?(Infinity|inf)$/i;
+	var PARSE_NAN_REGEXP = /^(\+|-)?NaN$/i;
+	var EXPONENT_MAX = 6111;
+	var EXPONENT_MIN = -6176;
+	var EXPONENT_BIAS = 6176;
+	var MAX_DIGITS = 34;
+	// Nan value bits as 32 bit values (due to lack of longs)
+	var NAN_BUFFER = [
+	    0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+	].reverse();
+	// Infinity value bits 32 bit values (due to lack of longs)
+	var INF_NEGATIVE_BUFFER = [
+	    0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+	].reverse();
+	var INF_POSITIVE_BUFFER = [
+	    0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+	].reverse();
+	var EXPONENT_REGEX = /^([-+])?(\d+)?$/;
+	// Extract least significant 5 bits
+	var COMBINATION_MASK = 0x1f;
+	// Extract least significant 14 bits
+	var EXPONENT_MASK = 0x3fff;
+	// Value of combination field for Inf
+	var COMBINATION_INFINITY = 30;
+	// Value of combination field for NaN
+	var COMBINATION_NAN = 31;
+	// Detect if the value is a digit
+	function isDigit(value) {
+	    return !isNaN(parseInt(value, 10));
+	}
+	// Divide two uint128 values
+	function divideu128(value) {
+	    var DIVISOR = Long.fromNumber(1000 * 1000 * 1000);
+	    var _rem = Long.fromNumber(0);
+	    if (!value.parts[0] && !value.parts[1] && !value.parts[2] && !value.parts[3]) {
+	        return { quotient: value, rem: _rem };
+	    }
+	    for (var i = 0; i <= 3; i++) {
+	        // Adjust remainder to match value of next dividend
+	        _rem = _rem.shiftLeft(32);
+	        // Add the divided to _rem
+	        _rem = _rem.add(new Long(value.parts[i], 0));
+	        value.parts[i] = _rem.div(DIVISOR).low;
+	        _rem = _rem.modulo(DIVISOR);
+	    }
+	    return { quotient: value, rem: _rem };
+	}
+	// Multiply two Long values and return the 128 bit value
+	function multiply64x2(left, right) {
+	    if (!left && !right) {
+	        return { high: Long.fromNumber(0), low: Long.fromNumber(0) };
+	    }
+	    var leftHigh = left.shiftRightUnsigned(32);
+	    var leftLow = new Long(left.getLowBits(), 0);
+	    var rightHigh = right.shiftRightUnsigned(32);
+	    var rightLow = new Long(right.getLowBits(), 0);
+	    var productHigh = leftHigh.multiply(rightHigh);
+	    var productMid = leftHigh.multiply(rightLow);
+	    var productMid2 = leftLow.multiply(rightHigh);
+	    var productLow = leftLow.multiply(rightLow);
+	    productHigh = productHigh.add(productMid.shiftRightUnsigned(32));
+	    productMid = new Long(productMid.getLowBits(), 0)
+	        .add(productMid2)
+	        .add(productLow.shiftRightUnsigned(32));
+	    productHigh = productHigh.add(productMid.shiftRightUnsigned(32));
+	    productLow = productMid.shiftLeft(32).add(new Long(productLow.getLowBits(), 0));
+	    // Return the 128 bit result
+	    return { high: productHigh, low: productLow };
+	}
+	function lessThan(left, right) {
+	    // Make values unsigned
+	    var uhleft = left.high >>> 0;
+	    var uhright = right.high >>> 0;
+	    // Compare high bits first
+	    if (uhleft < uhright) {
+	        return true;
+	    }
+	    else if (uhleft === uhright) {
+	        var ulleft = left.low >>> 0;
+	        var ulright = right.low >>> 0;
+	        if (ulleft < ulright)
+	            return true;
+	    }
+	    return false;
+	}
+	function invalidErr(string, message) {
+	    throw new BSONTypeError("\"".concat(string, "\" is not a valid Decimal128 string - ").concat(message));
+	}
+	/**
+	 * A class representation of the BSON Decimal128 type.
+	 * @public
+	 * @category BSONType
+	 */
+	var Decimal128 = /** @class */ (function () {
+	    /**
+	     * @param bytes - a buffer containing the raw Decimal128 bytes in little endian order,
+	     *                or a string representation as returned by .toString()
+	     */
+	    function Decimal128(bytes) {
+	        if (!(this instanceof Decimal128))
+	            return new Decimal128(bytes);
+	        if (typeof bytes === 'string') {
+	            this.bytes = Decimal128.fromString(bytes).bytes;
+	        }
+	        else if (isUint8Array(bytes)) {
+	            if (bytes.byteLength !== 16) {
+	                throw new BSONTypeError('Decimal128 must take a Buffer of 16 bytes');
+	            }
+	            this.bytes = bytes;
+	        }
+	        else {
+	            throw new BSONTypeError('Decimal128 must take a Buffer or string');
+	        }
+	    }
+	    /**
+	     * Create a Decimal128 instance from a string representation
+	     *
+	     * @param representation - a numeric string representation.
+	     */
+	    Decimal128.fromString = function (representation) {
+	        // Parse state tracking
+	        var isNegative = false;
+	        var sawRadix = false;
+	        var foundNonZero = false;
+	        // Total number of significant digits (no leading or trailing zero)
+	        var significantDigits = 0;
+	        // Total number of significand digits read
+	        var nDigitsRead = 0;
+	        // Total number of digits (no leading zeros)
+	        var nDigits = 0;
+	        // The number of the digits after radix
+	        var radixPosition = 0;
+	        // The index of the first non-zero in *str*
+	        var firstNonZero = 0;
+	        // Digits Array
+	        var digits = [0];
+	        // The number of digits in digits
+	        var nDigitsStored = 0;
+	        // Insertion pointer for digits
+	        var digitsInsert = 0;
+	        // The index of the first non-zero digit
+	        var firstDigit = 0;
+	        // The index of the last digit
+	        var lastDigit = 0;
+	        // Exponent
+	        var exponent = 0;
+	        // loop index over array
+	        var i = 0;
+	        // The high 17 digits of the significand
+	        var significandHigh = new Long(0, 0);
+	        // The low 17 digits of the significand
+	        var significandLow = new Long(0, 0);
+	        // The biased exponent
+	        var biasedExponent = 0;
+	        // Read index
+	        var index = 0;
+	        // Naively prevent against REDOS attacks.
+	        // TODO: implementing a custom parsing for this, or refactoring the regex would yield
+	        //       further gains.
+	        if (representation.length >= 7000) {
+	            throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+	        }
+	        // Results
+	        var stringMatch = representation.match(PARSE_STRING_REGEXP);
+	        var infMatch = representation.match(PARSE_INF_REGEXP);
+	        var nanMatch = representation.match(PARSE_NAN_REGEXP);
+	        // Validate the string
+	        if ((!stringMatch && !infMatch && !nanMatch) || representation.length === 0) {
+	            throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+	        }
+	        if (stringMatch) {
+	            // full_match = stringMatch[0]
+	            // sign = stringMatch[1]
+	            var unsignedNumber = stringMatch[2];
+	            // stringMatch[3] is undefined if a whole number (ex "1", 12")
+	            // but defined if a number w/ decimal in it (ex "1.0, 12.2")
+	            var e = stringMatch[4];
+	            var expSign = stringMatch[5];
+	            var expNumber = stringMatch[6];
+	            // they provided e, but didn't give an exponent number. for ex "1e"
+	            if (e && expNumber === undefined)
+	                invalidErr(representation, 'missing exponent power');
+	            // they provided e, but didn't give a number before it. for ex "e1"
+	            if (e && unsignedNumber === undefined)
+	                invalidErr(representation, 'missing exponent base');
+	            if (e === undefined && (expSign || expNumber)) {
+	                invalidErr(representation, 'missing e before exponent');
+	            }
+	        }
+	        // Get the negative or positive sign
+	        if (representation[index] === '+' || representation[index] === '-') {
+	            isNegative = representation[index++] === '-';
+	        }
+	        // Check if user passed Infinity or NaN
+	        if (!isDigit(representation[index]) && representation[index] !== '.') {
+	            if (representation[index] === 'i' || representation[index] === 'I') {
+	                return new Decimal128(buffer_1.from(isNegative ? INF_NEGATIVE_BUFFER : INF_POSITIVE_BUFFER));
+	            }
+	            else if (representation[index] === 'N') {
+	                return new Decimal128(buffer_1.from(NAN_BUFFER));
+	            }
+	        }
+	        // Read all the digits
+	        while (isDigit(representation[index]) || representation[index] === '.') {
+	            if (representation[index] === '.') {
+	                if (sawRadix)
+	                    invalidErr(representation, 'contains multiple periods');
+	                sawRadix = true;
+	                index = index + 1;
+	                continue;
+	            }
+	            if (nDigitsStored < 34) {
+	                if (representation[index] !== '0' || foundNonZero) {
+	                    if (!foundNonZero) {
+	                        firstNonZero = nDigitsRead;
+	                    }
+	                    foundNonZero = true;
+	                    // Only store 34 digits
+	                    digits[digitsInsert++] = parseInt(representation[index], 10);
+	                    nDigitsStored = nDigitsStored + 1;
+	                }
+	            }
+	            if (foundNonZero)
+	                nDigits = nDigits + 1;
+	            if (sawRadix)
+	                radixPosition = radixPosition + 1;
+	            nDigitsRead = nDigitsRead + 1;
+	            index = index + 1;
+	        }
+	        if (sawRadix && !nDigitsRead)
+	            throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+	        // Read exponent if exists
+	        if (representation[index] === 'e' || representation[index] === 'E') {
+	            // Read exponent digits
+	            var match = representation.substr(++index).match(EXPONENT_REGEX);
+	            // No digits read
+	            if (!match || !match[2])
+	                return new Decimal128(buffer_1.from(NAN_BUFFER));
+	            // Get exponent
+	            exponent = parseInt(match[0], 10);
+	            // Adjust the index
+	            index = index + match[0].length;
+	        }
+	        // Return not a number
+	        if (representation[index])
+	            return new Decimal128(buffer_1.from(NAN_BUFFER));
+	        // Done reading input
+	        // Find first non-zero digit in digits
+	        firstDigit = 0;
+	        if (!nDigitsStored) {
+	            firstDigit = 0;
+	            lastDigit = 0;
+	            digits[0] = 0;
+	            nDigits = 1;
+	            nDigitsStored = 1;
+	            significantDigits = 0;
+	        }
+	        else {
+	            lastDigit = nDigitsStored - 1;
+	            significantDigits = nDigits;
+	            if (significantDigits !== 1) {
+	                while (digits[firstNonZero + significantDigits - 1] === 0) {
+	                    significantDigits = significantDigits - 1;
+	                }
+	            }
+	        }
+	        // Normalization of exponent
+	        // Correct exponent based on radix position, and shift significand as needed
+	        // to represent user input
+	        // Overflow prevention
+	        if (exponent <= radixPosition && radixPosition - exponent > 1 << 14) {
+	            exponent = EXPONENT_MIN;
+	        }
+	        else {
+	            exponent = exponent - radixPosition;
+	        }
+	        // Attempt to normalize the exponent
+	        while (exponent > EXPONENT_MAX) {
+	            // Shift exponent to significand and decrease
+	            lastDigit = lastDigit + 1;
+	            if (lastDigit - firstDigit > MAX_DIGITS) {
+	                // Check if we have a zero then just hard clamp, otherwise fail
+	                var digitsString = digits.join('');
+	                if (digitsString.match(/^0+$/)) {
+	                    exponent = EXPONENT_MAX;
+	                    break;
+	                }
+	                invalidErr(representation, 'overflow');
+	            }
+	            exponent = exponent - 1;
+	        }
+	        while (exponent < EXPONENT_MIN || nDigitsStored < nDigits) {
+	            // Shift last digit. can only do this if < significant digits than # stored.
+	            if (lastDigit === 0 && significantDigits < nDigitsStored) {
+	                exponent = EXPONENT_MIN;
+	                significantDigits = 0;
+	                break;
+	            }
+	            if (nDigitsStored < nDigits) {
+	                // adjust to match digits not stored
+	                nDigits = nDigits - 1;
+	            }
+	            else {
+	                // adjust to round
+	                lastDigit = lastDigit - 1;
+	            }
+	            if (exponent < EXPONENT_MAX) {
+	                exponent = exponent + 1;
+	            }
+	            else {
+	                // Check if we have a zero then just hard clamp, otherwise fail
+	                var digitsString = digits.join('');
+	                if (digitsString.match(/^0+$/)) {
+	                    exponent = EXPONENT_MAX;
+	                    break;
+	                }
+	                invalidErr(representation, 'overflow');
+	            }
+	        }
+	        // Round
+	        // We've normalized the exponent, but might still need to round.
+	        if (lastDigit - firstDigit + 1 < significantDigits) {
+	            var endOfString = nDigitsRead;
+	            // If we have seen a radix point, 'string' is 1 longer than we have
+	            // documented with ndigits_read, so inc the position of the first nonzero
+	            // digit and the position that digits are read to.
+	            if (sawRadix) {
+	                firstNonZero = firstNonZero + 1;
+	                endOfString = endOfString + 1;
+	            }
+	            // if negative, we need to increment again to account for - sign at start.
+	            if (isNegative) {
+	                firstNonZero = firstNonZero + 1;
+	                endOfString = endOfString + 1;
+	            }
+	            var roundDigit = parseInt(representation[firstNonZero + lastDigit + 1], 10);
+	            var roundBit = 0;
+	            if (roundDigit >= 5) {
+	                roundBit = 1;
+	                if (roundDigit === 5) {
+	                    roundBit = digits[lastDigit] % 2 === 1 ? 1 : 0;
+	                    for (i = firstNonZero + lastDigit + 2; i < endOfString; i++) {
+	                        if (parseInt(representation[i], 10)) {
+	                            roundBit = 1;
+	                            break;
+	                        }
+	                    }
+	                }
+	            }
+	            if (roundBit) {
+	                var dIdx = lastDigit;
+	                for (; dIdx >= 0; dIdx--) {
+	                    if (++digits[dIdx] > 9) {
+	                        digits[dIdx] = 0;
+	                        // overflowed most significant digit
+	                        if (dIdx === 0) {
+	                            if (exponent < EXPONENT_MAX) {
+	                                exponent = exponent + 1;
+	                                digits[dIdx] = 1;
+	                            }
+	                            else {
+	                                return new Decimal128(buffer_1.from(isNegative ? INF_NEGATIVE_BUFFER : INF_POSITIVE_BUFFER));
+	                            }
+	                        }
+	                    }
+	                }
+	            }
+	        }
+	        // Encode significand
+	        // The high 17 digits of the significand
+	        significandHigh = Long.fromNumber(0);
+	        // The low 17 digits of the significand
+	        significandLow = Long.fromNumber(0);
+	        // read a zero
+	        if (significantDigits === 0) {
+	            significandHigh = Long.fromNumber(0);
+	            significandLow = Long.fromNumber(0);
+	        }
+	        else if (lastDigit - firstDigit < 17) {
+	            var dIdx = firstDigit;
+	            significandLow = Long.fromNumber(digits[dIdx++]);
+	            significandHigh = new Long(0, 0);
+	            for (; dIdx <= lastDigit; dIdx++) {
+	                significandLow = significandLow.multiply(Long.fromNumber(10));
+	                significandLow = significandLow.add(Long.fromNumber(digits[dIdx]));
+	            }
+	        }
+	        else {
+	            var dIdx = firstDigit;
+	            significandHigh = Long.fromNumber(digits[dIdx++]);
+	            for (; dIdx <= lastDigit - 17; dIdx++) {
+	                significandHigh = significandHigh.multiply(Long.fromNumber(10));
+	                significandHigh = significandHigh.add(Long.fromNumber(digits[dIdx]));
+	            }
+	            significandLow = Long.fromNumber(digits[dIdx++]);
+	            for (; dIdx <= lastDigit; dIdx++) {
+	                significandLow = significandLow.multiply(Long.fromNumber(10));
+	                significandLow = significandLow.add(Long.fromNumber(digits[dIdx]));
+	            }
+	        }
+	        var significand = multiply64x2(significandHigh, Long.fromString('100000000000000000'));
+	        significand.low = significand.low.add(significandLow);
+	        if (lessThan(significand.low, significandLow)) {
+	            significand.high = significand.high.add(Long.fromNumber(1));
+	        }
+	        // Biased exponent
+	        biasedExponent = exponent + EXPONENT_BIAS;
+	        var dec = { low: Long.fromNumber(0), high: Long.fromNumber(0) };
+	        // Encode combination, exponent, and significand.
+	        if (significand.high.shiftRightUnsigned(49).and(Long.fromNumber(1)).equals(Long.fromNumber(1))) {
+	            // Encode '11' into bits 1 to 3
+	            dec.high = dec.high.or(Long.fromNumber(0x3).shiftLeft(61));
+	            dec.high = dec.high.or(Long.fromNumber(biasedExponent).and(Long.fromNumber(0x3fff).shiftLeft(47)));
+	            dec.high = dec.high.or(significand.high.and(Long.fromNumber(0x7fffffffffff)));
+	        }
+	        else {
+	            dec.high = dec.high.or(Long.fromNumber(biasedExponent & 0x3fff).shiftLeft(49));
+	            dec.high = dec.high.or(significand.high.and(Long.fromNumber(0x1ffffffffffff)));
+	        }
+	        dec.low = significand.low;
+	        // Encode sign
+	        if (isNegative) {
+	            dec.high = dec.high.or(Long.fromString('9223372036854775808'));
+	        }
+	        // Encode into a buffer
+	        var buffer = buffer_1.alloc(16);
+	        index = 0;
+	        // Encode the low 64 bits of the decimal
+	        // Encode low bits
+	        buffer[index++] = dec.low.low & 0xff;
+	        buffer[index++] = (dec.low.low >> 8) & 0xff;
+	        buffer[index++] = (dec.low.low >> 16) & 0xff;
+	        buffer[index++] = (dec.low.low >> 24) & 0xff;
+	        // Encode high bits
+	        buffer[index++] = dec.low.high & 0xff;
+	        buffer[index++] = (dec.low.high >> 8) & 0xff;
+	        buffer[index++] = (dec.low.high >> 16) & 0xff;
+	        buffer[index++] = (dec.low.high >> 24) & 0xff;
+	        // Encode the high 64 bits of the decimal
+	        // Encode low bits
+	        buffer[index++] = dec.high.low & 0xff;
+	        buffer[index++] = (dec.high.low >> 8) & 0xff;
+	        buffer[index++] = (dec.high.low >> 16) & 0xff;
+	        buffer[index++] = (dec.high.low >> 24) & 0xff;
+	        // Encode high bits
+	        buffer[index++] = dec.high.high & 0xff;
+	        buffer[index++] = (dec.high.high >> 8) & 0xff;
+	        buffer[index++] = (dec.high.high >> 16) & 0xff;
+	        buffer[index++] = (dec.high.high >> 24) & 0xff;
+	        // Return the new Decimal128
+	        return new Decimal128(buffer);
+	    };
+	    /** Create a string representation of the raw Decimal128 value */
+	    Decimal128.prototype.toString = function () {
+	        // Note: bits in this routine are referred to starting at 0,
+	        // from the sign bit, towards the coefficient.
+	        // decoded biased exponent (14 bits)
+	        var biased_exponent;
+	        // the number of significand digits
+	        var significand_digits = 0;
+	        // the base-10 digits in the significand
+	        var significand = new Array(36);
+	        for (var i = 0; i < significand.length; i++)
+	            significand[i] = 0;
+	        // read pointer into significand
+	        var index = 0;
+	        // true if the number is zero
+	        var is_zero = false;
+	        // the most significant significand bits (50-46)
+	        var significand_msb;
+	        // temporary storage for significand decoding
+	        var significand128 = { parts: [0, 0, 0, 0] };
+	        // indexing variables
+	        var j, k;
+	        // Output string
+	        var string = [];
+	        // Unpack index
+	        index = 0;
+	        // Buffer reference
+	        var buffer = this.bytes;
+	        // Unpack the low 64bits into a long
+	        // bits 96 - 127
+	        var low = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+	        // bits 64 - 95
+	        var midl = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+	        // Unpack the high 64bits into a long
+	        // bits 32 - 63
+	        var midh = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+	        // bits 0 - 31
+	        var high = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+	        // Unpack index
+	        index = 0;
+	        // Create the state of the decimal
+	        var dec = {
+	            low: new Long(low, midl),
+	            high: new Long(midh, high)
+	        };
+	        if (dec.high.lessThan(Long.ZERO)) {
+	            string.push('-');
+	        }
+	        // Decode combination field and exponent
+	        // bits 1 - 5
+	        var combination = (high >> 26) & COMBINATION_MASK;
+	        if (combination >> 3 === 3) {
+	            // Check for 'special' values
+	            if (combination === COMBINATION_INFINITY) {
+	                return string.join('') + 'Infinity';
+	            }
+	            else if (combination === COMBINATION_NAN) {
+	                return 'NaN';
+	            }
+	            else {
+	                biased_exponent = (high >> 15) & EXPONENT_MASK;
+	                significand_msb = 0x08 + ((high >> 14) & 0x01);
+	            }
+	        }
+	        else {
+	            significand_msb = (high >> 14) & 0x07;
+	            biased_exponent = (high >> 17) & EXPONENT_MASK;
+	        }
+	        // unbiased exponent
+	        var exponent = biased_exponent - EXPONENT_BIAS;
+	        // Create string of significand digits
+	        // Convert the 114-bit binary number represented by
+	        // (significand_high, significand_low) to at most 34 decimal
+	        // digits through modulo and division.
+	        significand128.parts[0] = (high & 0x3fff) + ((significand_msb & 0xf) << 14);
+	        significand128.parts[1] = midh;
+	        significand128.parts[2] = midl;
+	        significand128.parts[3] = low;
+	        if (significand128.parts[0] === 0 &&
+	            significand128.parts[1] === 0 &&
+	            significand128.parts[2] === 0 &&
+	            significand128.parts[3] === 0) {
+	            is_zero = true;
+	        }
+	        else {
+	            for (k = 3; k >= 0; k--) {
+	                var least_digits = 0;
+	                // Perform the divide
+	                var result = divideu128(significand128);
+	                significand128 = result.quotient;
+	                least_digits = result.rem.low;
+	                // We now have the 9 least significant digits (in base 2).
+	                // Convert and output to string.
+	                if (!least_digits)
+	                    continue;
+	                for (j = 8; j >= 0; j--) {
+	                    // significand[k * 9 + j] = Math.round(least_digits % 10);
+	                    significand[k * 9 + j] = least_digits % 10;
+	                    // least_digits = Math.round(least_digits / 10);
+	                    least_digits = Math.floor(least_digits / 10);
+	                }
+	            }
+	        }
+	        // Output format options:
+	        // Scientific - [-]d.dddE(+/-)dd or [-]dE(+/-)dd
+	        // Regular    - ddd.ddd
+	        if (is_zero) {
+	            significand_digits = 1;
+	            significand[index] = 0;
+	        }
+	        else {
+	            significand_digits = 36;
+	            while (!significand[index]) {
+	                significand_digits = significand_digits - 1;
+	                index = index + 1;
+	            }
+	        }
+	        // the exponent if scientific notation is used
+	        var scientific_exponent = significand_digits - 1 + exponent;
+	        // The scientific exponent checks are dictated by the string conversion
+	        // specification and are somewhat arbitrary cutoffs.
+	        //
+	        // We must check exponent > 0, because if this is the case, the number
+	        // has trailing zeros.  However, we *cannot* output these trailing zeros,
+	        // because doing so would change the precision of the value, and would
+	        // change stored data if the string converted number is round tripped.
+	        if (scientific_exponent >= 34 || scientific_exponent <= -7 || exponent > 0) {
+	            // Scientific format
+	            // if there are too many significant digits, we should just be treating numbers
+	            // as + or - 0 and using the non-scientific exponent (this is for the "invalid
+	            // representation should be treated as 0/-0" spec cases in decimal128-1.json)
+	            if (significand_digits > 34) {
+	                string.push("".concat(0));
+	                if (exponent > 0)
+	                    string.push("E+".concat(exponent));
+	                else if (exponent < 0)
+	                    string.push("E".concat(exponent));
+	                return string.join('');
+	            }
+	            string.push("".concat(significand[index++]));
+	            significand_digits = significand_digits - 1;
+	            if (significand_digits) {
+	                string.push('.');
+	            }
+	            for (var i = 0; i < significand_digits; i++) {
+	                string.push("".concat(significand[index++]));
+	            }
+	            // Exponent
+	            string.push('E');
+	            if (scientific_exponent > 0) {
+	                string.push("+".concat(scientific_exponent));
+	            }
+	            else {
+	                string.push("".concat(scientific_exponent));
+	            }
+	        }
+	        else {
+	            // Regular format with no decimal place
+	            if (exponent >= 0) {
+	                for (var i = 0; i < significand_digits; i++) {
+	                    string.push("".concat(significand[index++]));
+	                }
+	            }
+	            else {
+	                var radix_position = significand_digits + exponent;
+	                // non-zero digits before radix
+	                if (radix_position > 0) {
+	                    for (var i = 0; i < radix_position; i++) {
+	                        string.push("".concat(significand[index++]));
+	                    }
+	                }
+	                else {
+	                    string.push('0');
+	                }
+	                string.push('.');
+	                // add leading zeros after radix
+	                while (radix_position++ < 0) {
+	                    string.push('0');
+	                }
+	                for (var i = 0; i < significand_digits - Math.max(radix_position - 1, 0); i++) {
+	                    string.push("".concat(significand[index++]));
+	                }
+	            }
+	        }
+	        return string.join('');
+	    };
+	    Decimal128.prototype.toJSON = function () {
+	        return { $numberDecimal: this.toString() };
+	    };
+	    /** @internal */
+	    Decimal128.prototype.toExtendedJSON = function () {
+	        return { $numberDecimal: this.toString() };
+	    };
+	    /** @internal */
+	    Decimal128.fromExtendedJSON = function (doc) {
+	        return Decimal128.fromString(doc.$numberDecimal);
+	    };
+	    /** @internal */
+	    Decimal128.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Decimal128.prototype.inspect = function () {
+	        return "new Decimal128(\"".concat(this.toString(), "\")");
+	    };
+	    return Decimal128;
+	}());
+	Object.defineProperty(Decimal128.prototype, '_bsontype', { value: 'Decimal128' });
+
+	/**
+	 * A class representation of the BSON Double type.
+	 * @public
+	 * @category BSONType
+	 */
+	var Double = /** @class */ (function () {
+	    /**
+	     * Create a Double type
+	     *
+	     * @param value - the number we want to represent as a double.
+	     */
+	    function Double(value) {
+	        if (!(this instanceof Double))
+	            return new Double(value);
+	        if (value instanceof Number) {
+	            value = value.valueOf();
+	        }
+	        this.value = +value;
+	    }
+	    /**
+	     * Access the number value.
+	     *
+	     * @returns returns the wrapped double number.
+	     */
+	    Double.prototype.valueOf = function () {
+	        return this.value;
+	    };
+	    Double.prototype.toJSON = function () {
+	        return this.value;
+	    };
+	    Double.prototype.toString = function (radix) {
+	        return this.value.toString(radix);
+	    };
+	    /** @internal */
+	    Double.prototype.toExtendedJSON = function (options) {
+	        if (options && (options.legacy || (options.relaxed && isFinite(this.value)))) {
+	            return this.value;
+	        }
+	        // NOTE: JavaScript has +0 and -0, apparently to model limit calculations. If a user
+	        // explicitly provided `-0` then we need to ensure the sign makes it into the output
+	        if (Object.is(Math.sign(this.value), -0)) {
+	            return { $numberDouble: "-".concat(this.value.toFixed(1)) };
+	        }
+	        var $numberDouble;
+	        if (Number.isInteger(this.value)) {
+	            $numberDouble = this.value.toFixed(1);
+	            if ($numberDouble.length >= 13) {
+	                $numberDouble = this.value.toExponential(13).toUpperCase();
+	            }
+	        }
+	        else {
+	            $numberDouble = this.value.toString();
+	        }
+	        return { $numberDouble: $numberDouble };
+	    };
+	    /** @internal */
+	    Double.fromExtendedJSON = function (doc, options) {
+	        var doubleValue = parseFloat(doc.$numberDouble);
+	        return options && options.relaxed ? doubleValue : new Double(doubleValue);
+	    };
+	    /** @internal */
+	    Double.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Double.prototype.inspect = function () {
+	        var eJSON = this.toExtendedJSON();
+	        return "new Double(".concat(eJSON.$numberDouble, ")");
+	    };
+	    return Double;
+	}());
+	Object.defineProperty(Double.prototype, '_bsontype', { value: 'Double' });
+
+	/**
+	 * A class representation of a BSON Int32 type.
+	 * @public
+	 * @category BSONType
+	 */
+	var Int32 = /** @class */ (function () {
+	    /**
+	     * Create an Int32 type
+	     *
+	     * @param value - the number we want to represent as an int32.
+	     */
+	    function Int32(value) {
+	        if (!(this instanceof Int32))
+	            return new Int32(value);
+	        if (value instanceof Number) {
+	            value = value.valueOf();
+	        }
+	        this.value = +value | 0;
+	    }
+	    /**
+	     * Access the number value.
+	     *
+	     * @returns returns the wrapped int32 number.
+	     */
+	    Int32.prototype.valueOf = function () {
+	        return this.value;
+	    };
+	    Int32.prototype.toString = function (radix) {
+	        return this.value.toString(radix);
+	    };
+	    Int32.prototype.toJSON = function () {
+	        return this.value;
+	    };
+	    /** @internal */
+	    Int32.prototype.toExtendedJSON = function (options) {
+	        if (options && (options.relaxed || options.legacy))
+	            return this.value;
+	        return { $numberInt: this.value.toString() };
+	    };
+	    /** @internal */
+	    Int32.fromExtendedJSON = function (doc, options) {
+	        return options && options.relaxed ? parseInt(doc.$numberInt, 10) : new Int32(doc.$numberInt);
+	    };
+	    /** @internal */
+	    Int32.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Int32.prototype.inspect = function () {
+	        return "new Int32(".concat(this.valueOf(), ")");
+	    };
+	    return Int32;
+	}());
+	Object.defineProperty(Int32.prototype, '_bsontype', { value: 'Int32' });
+
+	/**
+	 * A class representation of the BSON MaxKey type.
+	 * @public
+	 * @category BSONType
+	 */
+	var MaxKey = /** @class */ (function () {
+	    function MaxKey() {
+	        if (!(this instanceof MaxKey))
+	            return new MaxKey();
+	    }
+	    /** @internal */
+	    MaxKey.prototype.toExtendedJSON = function () {
+	        return { $maxKey: 1 };
+	    };
+	    /** @internal */
+	    MaxKey.fromExtendedJSON = function () {
+	        return new MaxKey();
+	    };
+	    /** @internal */
+	    MaxKey.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    MaxKey.prototype.inspect = function () {
+	        return 'new MaxKey()';
+	    };
+	    return MaxKey;
+	}());
+	Object.defineProperty(MaxKey.prototype, '_bsontype', { value: 'MaxKey' });
+
+	/**
+	 * A class representation of the BSON MinKey type.
+	 * @public
+	 * @category BSONType
+	 */
+	var MinKey = /** @class */ (function () {
+	    function MinKey() {
+	        if (!(this instanceof MinKey))
+	            return new MinKey();
+	    }
+	    /** @internal */
+	    MinKey.prototype.toExtendedJSON = function () {
+	        return { $minKey: 1 };
+	    };
+	    /** @internal */
+	    MinKey.fromExtendedJSON = function () {
+	        return new MinKey();
+	    };
+	    /** @internal */
+	    MinKey.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    MinKey.prototype.inspect = function () {
+	        return 'new MinKey()';
+	    };
+	    return MinKey;
+	}());
+	Object.defineProperty(MinKey.prototype, '_bsontype', { value: 'MinKey' });
+
+	// Regular expression that checks for hex value
+	var checkForHexRegExp = new RegExp('^[0-9a-fA-F]{24}$');
+	// Unique sequence for the current process (initialized on first use)
+	var PROCESS_UNIQUE = null;
+	var kId = Symbol('id');
+	/**
+	 * A class representation of the BSON ObjectId type.
+	 * @public
+	 * @category BSONType
+	 */
+	var ObjectId = /** @class */ (function () {
+	    /**
+	     * Create an ObjectId type
+	     *
+	     * @param inputId - Can be a 24 character hex string, 12 byte binary Buffer, or a number.
+	     */
+	    function ObjectId(inputId) {
+	        if (!(this instanceof ObjectId))
+	            return new ObjectId(inputId);
+	        // workingId is set based on type of input and whether valid id exists for the input
+	        var workingId;
+	        if (typeof inputId === 'object' && inputId && 'id' in inputId) {
+	            if (typeof inputId.id !== 'string' && !ArrayBuffer.isView(inputId.id)) {
+	                throw new BSONTypeError('Argument passed in must have an id that is of type string or Buffer');
+	            }
+	            if ('toHexString' in inputId && typeof inputId.toHexString === 'function') {
+	                workingId = buffer_1.from(inputId.toHexString(), 'hex');
+	            }
+	            else {
+	                workingId = inputId.id;
+	            }
+	        }
+	        else {
+	            workingId = inputId;
+	        }
+	        // the following cases use workingId to construct an ObjectId
+	        if (workingId == null || typeof workingId === 'number') {
+	            // The most common use case (blank id, new objectId instance)
+	            // Generate a new id
+	            this[kId] = ObjectId.generate(typeof workingId === 'number' ? workingId : undefined);
+	        }
+	        else if (ArrayBuffer.isView(workingId) && workingId.byteLength === 12) {
+	            // If intstanceof matches we can escape calling ensure buffer in Node.js environments
+	            this[kId] = workingId instanceof buffer_1 ? workingId : ensureBuffer(workingId);
+	        }
+	        else if (typeof workingId === 'string') {
+	            if (workingId.length === 12) {
+	                var bytes = buffer_1.from(workingId);
+	                if (bytes.byteLength === 12) {
+	                    this[kId] = bytes;
+	                }
+	                else {
+	                    throw new BSONTypeError('Argument passed in must be a string of 12 bytes');
+	                }
+	            }
+	            else if (workingId.length === 24 && checkForHexRegExp.test(workingId)) {
+	                this[kId] = buffer_1.from(workingId, 'hex');
+	            }
+	            else {
+	                throw new BSONTypeError('Argument passed in must be a string of 12 bytes or a string of 24 hex characters or an integer');
+	            }
+	        }
+	        else {
+	            throw new BSONTypeError('Argument passed in does not match the accepted types');
+	        }
+	        // If we are caching the hex string
+	        if (ObjectId.cacheHexString) {
+	            this.__id = this.id.toString('hex');
+	        }
+	    }
+	    Object.defineProperty(ObjectId.prototype, "id", {
+	        /**
+	         * The ObjectId bytes
+	         * @readonly
+	         */
+	        get: function () {
+	            return this[kId];
+	        },
+	        set: function (value) {
+	            this[kId] = value;
+	            if (ObjectId.cacheHexString) {
+	                this.__id = value.toString('hex');
+	            }
+	        },
+	        enumerable: false,
+	        configurable: true
+	    });
+	    Object.defineProperty(ObjectId.prototype, "generationTime", {
+	        /**
+	         * The generation time of this ObjectId instance
+	         * @deprecated Please use getTimestamp / createFromTime which returns an int32 epoch
+	         */
+	        get: function () {
+	            return this.id.readInt32BE(0);
+	        },
+	        set: function (value) {
+	            // Encode time into first 4 bytes
+	            this.id.writeUInt32BE(value, 0);
+	        },
+	        enumerable: false,
+	        configurable: true
+	    });
+	    /** Returns the ObjectId id as a 24 character hex string representation */
+	    ObjectId.prototype.toHexString = function () {
+	        if (ObjectId.cacheHexString && this.__id) {
+	            return this.__id;
+	        }
+	        var hexString = this.id.toString('hex');
+	        if (ObjectId.cacheHexString && !this.__id) {
+	            this.__id = hexString;
+	        }
+	        return hexString;
+	    };
+	    /**
+	     * Update the ObjectId index
+	     * @privateRemarks
+	     * Used in generating new ObjectId's on the driver
+	     * @internal
+	     */
+	    ObjectId.getInc = function () {
+	        return (ObjectId.index = (ObjectId.index + 1) % 0xffffff);
+	    };
+	    /**
+	     * Generate a 12 byte id buffer used in ObjectId's
+	     *
+	     * @param time - pass in a second based timestamp.
+	     */
+	    ObjectId.generate = function (time) {
+	        if ('number' !== typeof time) {
+	            time = Math.floor(Date.now() / 1000);
+	        }
+	        var inc = ObjectId.getInc();
+	        var buffer = buffer_1.alloc(12);
+	        // 4-byte timestamp
+	        buffer.writeUInt32BE(time, 0);
+	        // set PROCESS_UNIQUE if yet not initialized
+	        if (PROCESS_UNIQUE === null) {
+	            PROCESS_UNIQUE = randomBytes(5);
+	        }
+	        // 5-byte process unique
+	        buffer[4] = PROCESS_UNIQUE[0];
+	        buffer[5] = PROCESS_UNIQUE[1];
+	        buffer[6] = PROCESS_UNIQUE[2];
+	        buffer[7] = PROCESS_UNIQUE[3];
+	        buffer[8] = PROCESS_UNIQUE[4];
+	        // 3-byte counter
+	        buffer[11] = inc & 0xff;
+	        buffer[10] = (inc >> 8) & 0xff;
+	        buffer[9] = (inc >> 16) & 0xff;
+	        return buffer;
+	    };
+	    /**
+	     * Converts the id into a 24 character hex string for printing
+	     *
+	     * @param format - The Buffer toString format parameter.
+	     */
+	    ObjectId.prototype.toString = function (format) {
+	        // Is the id a buffer then use the buffer toString method to return the format
+	        if (format)
+	            return this.id.toString(format);
+	        return this.toHexString();
+	    };
+	    /** Converts to its JSON the 24 character hex string representation. */
+	    ObjectId.prototype.toJSON = function () {
+	        return this.toHexString();
+	    };
+	    /**
+	     * Compares the equality of this ObjectId with `otherID`.
+	     *
+	     * @param otherId - ObjectId instance to compare against.
+	     */
+	    ObjectId.prototype.equals = function (otherId) {
+	        if (otherId === undefined || otherId === null) {
+	            return false;
+	        }
+	        if (otherId instanceof ObjectId) {
+	            return this[kId][11] === otherId[kId][11] && this[kId].equals(otherId[kId]);
+	        }
+	        if (typeof otherId === 'string' &&
+	            ObjectId.isValid(otherId) &&
+	            otherId.length === 12 &&
+	            isUint8Array(this.id)) {
+	            return otherId === buffer_1.prototype.toString.call(this.id, 'latin1');
+	        }
+	        if (typeof otherId === 'string' && ObjectId.isValid(otherId) && otherId.length === 24) {
+	            return otherId.toLowerCase() === this.toHexString();
+	        }
+	        if (typeof otherId === 'string' && ObjectId.isValid(otherId) && otherId.length === 12) {
+	            return buffer_1.from(otherId).equals(this.id);
+	        }
+	        if (typeof otherId === 'object' &&
+	            'toHexString' in otherId &&
+	            typeof otherId.toHexString === 'function') {
+	            var otherIdString = otherId.toHexString();
+	            var thisIdString = this.toHexString().toLowerCase();
+	            return typeof otherIdString === 'string' && otherIdString.toLowerCase() === thisIdString;
+	        }
+	        return false;
+	    };
+	    /** Returns the generation date (accurate up to the second) that this ID was generated. */
+	    ObjectId.prototype.getTimestamp = function () {
+	        var timestamp = new Date();
+	        var time = this.id.readUInt32BE(0);
+	        timestamp.setTime(Math.floor(time) * 1000);
+	        return timestamp;
+	    };
+	    /** @internal */
+	    ObjectId.createPk = function () {
+	        return new ObjectId();
+	    };
+	    /**
+	     * Creates an ObjectId from a second based number, with the rest of the ObjectId zeroed out. Used for comparisons or sorting the ObjectId.
+	     *
+	     * @param time - an integer number representing a number of seconds.
+	     */
+	    ObjectId.createFromTime = function (time) {
+	        var buffer = buffer_1.from([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]);
+	        // Encode time into first 4 bytes
+	        buffer.writeUInt32BE(time, 0);
+	        // Return the new objectId
+	        return new ObjectId(buffer);
+	    };
+	    /**
+	     * Creates an ObjectId from a hex string representation of an ObjectId.
+	     *
+	     * @param hexString - create a ObjectId from a passed in 24 character hexstring.
+	     */
+	    ObjectId.createFromHexString = function (hexString) {
+	        // Throw an error if it's not a valid setup
+	        if (typeof hexString === 'undefined' || (hexString != null && hexString.length !== 24)) {
+	            throw new BSONTypeError('Argument passed in must be a single String of 12 bytes or a string of 24 hex characters');
+	        }
+	        return new ObjectId(buffer_1.from(hexString, 'hex'));
+	    };
+	    /**
+	     * Checks if a value is a valid bson ObjectId
+	     *
+	     * @param id - ObjectId instance to validate.
+	     */
+	    ObjectId.isValid = function (id) {
+	        if (id == null)
+	            return false;
+	        try {
+	            new ObjectId(id);
+	            return true;
+	        }
+	        catch (_a) {
+	            return false;
+	        }
+	    };
+	    /** @internal */
+	    ObjectId.prototype.toExtendedJSON = function () {
+	        if (this.toHexString)
+	            return { $oid: this.toHexString() };
+	        return { $oid: this.toString('hex') };
+	    };
+	    /** @internal */
+	    ObjectId.fromExtendedJSON = function (doc) {
+	        return new ObjectId(doc.$oid);
+	    };
+	    /**
+	     * Converts to a string representation of this Id.
+	     *
+	     * @returns return the 24 character hex string representation.
+	     * @internal
+	     */
+	    ObjectId.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    ObjectId.prototype.inspect = function () {
+	        return "new ObjectId(\"".concat(this.toHexString(), "\")");
+	    };
+	    /** @internal */
+	    ObjectId.index = Math.floor(Math.random() * 0xffffff);
+	    return ObjectId;
+	}());
+	// Deprecated methods
+	Object.defineProperty(ObjectId.prototype, 'generate', {
+	    value: deprecate(function (time) { return ObjectId.generate(time); }, 'Please use the static `ObjectId.generate(time)` instead')
+	});
+	Object.defineProperty(ObjectId.prototype, 'getInc', {
+	    value: deprecate(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+	});
+	Object.defineProperty(ObjectId.prototype, 'get_inc', {
+	    value: deprecate(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+	});
+	Object.defineProperty(ObjectId, 'get_inc', {
+	    value: deprecate(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+	});
+	Object.defineProperty(ObjectId.prototype, '_bsontype', { value: 'ObjectID' });
+
+	function alphabetize(str) {
+	    return str.split('').sort().join('');
+	}
+	/**
+	 * A class representation of the BSON RegExp type.
+	 * @public
+	 * @category BSONType
+	 */
+	var BSONRegExp = /** @class */ (function () {
+	    /**
+	     * @param pattern - The regular expression pattern to match
+	     * @param options - The regular expression options
+	     */
+	    function BSONRegExp(pattern, options) {
+	        if (!(this instanceof BSONRegExp))
+	            return new BSONRegExp(pattern, options);
+	        this.pattern = pattern;
+	        this.options = alphabetize(options !== null && options !== void 0 ? options : '');
+	        if (this.pattern.indexOf('\x00') !== -1) {
+	            throw new BSONError("BSON Regex patterns cannot contain null bytes, found: ".concat(JSON.stringify(this.pattern)));
+	        }
+	        if (this.options.indexOf('\x00') !== -1) {
+	            throw new BSONError("BSON Regex options cannot contain null bytes, found: ".concat(JSON.stringify(this.options)));
+	        }
+	        // Validate options
+	        for (var i = 0; i < this.options.length; i++) {
+	            if (!(this.options[i] === 'i' ||
+	                this.options[i] === 'm' ||
+	                this.options[i] === 'x' ||
+	                this.options[i] === 'l' ||
+	                this.options[i] === 's' ||
+	                this.options[i] === 'u')) {
+	                throw new BSONError("The regular expression option [".concat(this.options[i], "] is not supported"));
+	            }
+	        }
+	    }
+	    BSONRegExp.parseOptions = function (options) {
+	        return options ? options.split('').sort().join('') : '';
+	    };
+	    /** @internal */
+	    BSONRegExp.prototype.toExtendedJSON = function (options) {
+	        options = options || {};
+	        if (options.legacy) {
+	            return { $regex: this.pattern, $options: this.options };
+	        }
+	        return { $regularExpression: { pattern: this.pattern, options: this.options } };
+	    };
+	    /** @internal */
+	    BSONRegExp.fromExtendedJSON = function (doc) {
+	        if ('$regex' in doc) {
+	            if (typeof doc.$regex !== 'string') {
+	                // This is for $regex query operators that have extended json values.
+	                if (doc.$regex._bsontype === 'BSONRegExp') {
+	                    return doc;
+	                }
+	            }
+	            else {
+	                return new BSONRegExp(doc.$regex, BSONRegExp.parseOptions(doc.$options));
+	            }
+	        }
+	        if ('$regularExpression' in doc) {
+	            return new BSONRegExp(doc.$regularExpression.pattern, BSONRegExp.parseOptions(doc.$regularExpression.options));
+	        }
+	        throw new BSONTypeError("Unexpected BSONRegExp EJSON object form: ".concat(JSON.stringify(doc)));
+	    };
+	    return BSONRegExp;
+	}());
+	Object.defineProperty(BSONRegExp.prototype, '_bsontype', { value: 'BSONRegExp' });
+
+	/**
+	 * A class representation of the BSON Symbol type.
+	 * @public
+	 * @category BSONType
+	 */
+	var BSONSymbol = /** @class */ (function () {
+	    /**
+	     * @param value - the string representing the symbol.
+	     */
+	    function BSONSymbol(value) {
+	        if (!(this instanceof BSONSymbol))
+	            return new BSONSymbol(value);
+	        this.value = value;
+	    }
+	    /** Access the wrapped string value. */
+	    BSONSymbol.prototype.valueOf = function () {
+	        return this.value;
+	    };
+	    BSONSymbol.prototype.toString = function () {
+	        return this.value;
+	    };
+	    /** @internal */
+	    BSONSymbol.prototype.inspect = function () {
+	        return "new BSONSymbol(\"".concat(this.value, "\")");
+	    };
+	    BSONSymbol.prototype.toJSON = function () {
+	        return this.value;
+	    };
+	    /** @internal */
+	    BSONSymbol.prototype.toExtendedJSON = function () {
+	        return { $symbol: this.value };
+	    };
+	    /** @internal */
+	    BSONSymbol.fromExtendedJSON = function (doc) {
+	        return new BSONSymbol(doc.$symbol);
+	    };
+	    /** @internal */
+	    BSONSymbol.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    return BSONSymbol;
+	}());
+	Object.defineProperty(BSONSymbol.prototype, '_bsontype', { value: 'Symbol' });
+
+	/** @public */
+	var LongWithoutOverridesClass = Long;
+	/**
+	 * @public
+	 * @category BSONType
+	 * */
+	var Timestamp = /** @class */ (function (_super) {
+	    __extends(Timestamp, _super);
+	    function Timestamp(low, high) {
+	        var _this = this;
+	        // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+	        // @ts-expect-error
+	        if (!(_this instanceof Timestamp))
+	            return new Timestamp(low, high);
+	        if (Long.isLong(low)) {
+	            _this = _super.call(this, low.low, low.high, true) || this;
+	        }
+	        else if (isObjectLike(low) && typeof low.t !== 'undefined' && typeof low.i !== 'undefined') {
+	            _this = _super.call(this, low.i, low.t, true) || this;
+	        }
+	        else {
+	            _this = _super.call(this, low, high, true) || this;
+	        }
+	        Object.defineProperty(_this, '_bsontype', {
+	            value: 'Timestamp',
+	            writable: false,
+	            configurable: false,
+	            enumerable: false
+	        });
+	        return _this;
+	    }
+	    Timestamp.prototype.toJSON = function () {
+	        return {
+	            $timestamp: this.toString()
+	        };
+	    };
+	    /** Returns a Timestamp represented by the given (32-bit) integer value. */
+	    Timestamp.fromInt = function (value) {
+	        return new Timestamp(Long.fromInt(value, true));
+	    };
+	    /** Returns a Timestamp representing the given number value, provided that it is a finite number. Otherwise, zero is returned. */
+	    Timestamp.fromNumber = function (value) {
+	        return new Timestamp(Long.fromNumber(value, true));
+	    };
+	    /**
+	     * Returns a Timestamp for the given high and low bits. Each is assumed to use 32 bits.
+	     *
+	     * @param lowBits - the low 32-bits.
+	     * @param highBits - the high 32-bits.
+	     */
+	    Timestamp.fromBits = function (lowBits, highBits) {
+	        return new Timestamp(lowBits, highBits);
+	    };
+	    /**
+	     * Returns a Timestamp from the given string, optionally using the given radix.
+	     *
+	     * @param str - the textual representation of the Timestamp.
+	     * @param optRadix - the radix in which the text is written.
+	     */
+	    Timestamp.fromString = function (str, optRadix) {
+	        return new Timestamp(Long.fromString(str, true, optRadix));
+	    };
+	    /** @internal */
+	    Timestamp.prototype.toExtendedJSON = function () {
+	        return { $timestamp: { t: this.high >>> 0, i: this.low >>> 0 } };
+	    };
+	    /** @internal */
+	    Timestamp.fromExtendedJSON = function (doc) {
+	        return new Timestamp(doc.$timestamp);
+	    };
+	    /** @internal */
+	    Timestamp.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+	        return this.inspect();
+	    };
+	    Timestamp.prototype.inspect = function () {
+	        return "new Timestamp({ t: ".concat(this.getHighBits(), ", i: ").concat(this.getLowBits(), " })");
+	    };
+	    Timestamp.MAX_VALUE = Long.MAX_UNSIGNED_VALUE;
+	    return Timestamp;
+	}(LongWithoutOverridesClass));
+
+	function isBSONType(value) {
+	    return (isObjectLike(value) && Reflect.has(value, '_bsontype') && typeof value._bsontype === 'string');
+	}
+	// INT32 boundaries
+	var BSON_INT32_MAX = 0x7fffffff;
+	var BSON_INT32_MIN = -0x80000000;
+	// INT64 boundaries
+	// const BSON_INT64_MAX = 0x7fffffffffffffff; // TODO(NODE-4377): This number cannot be precisely represented in JS
+	var BSON_INT64_MAX = 0x8000000000000000;
+	var BSON_INT64_MIN = -0x8000000000000000;
+	// all the types where we don't need to do any special processing and can just pass the EJSON
+	//straight to type.fromExtendedJSON
+	var keysToCodecs = {
+	    $oid: ObjectId,
+	    $binary: Binary,
+	    $uuid: Binary,
+	    $symbol: BSONSymbol,
+	    $numberInt: Int32,
+	    $numberDecimal: Decimal128,
+	    $numberDouble: Double,
+	    $numberLong: Long,
+	    $minKey: MinKey,
+	    $maxKey: MaxKey,
+	    $regex: BSONRegExp,
+	    $regularExpression: BSONRegExp,
+	    $timestamp: Timestamp
+	};
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
+	function deserializeValue(value, options) {
+	    if (options === void 0) { options = {}; }
+	    if (typeof value === 'number') {
+	        if (options.relaxed || options.legacy) {
+	            return value;
+	        }
+	        // if it's an integer, should interpret as smallest BSON integer
+	        // that can represent it exactly. (if out of range, interpret as double.)
+	        if (Math.floor(value) === value) {
+	            if (value >= BSON_INT32_MIN && value <= BSON_INT32_MAX)
+	                return new Int32(value);
+	            if (value >= BSON_INT64_MIN && value <= BSON_INT64_MAX)
+	                return Long.fromNumber(value);
+	        }
+	        // If the number is a non-integer or out of integer range, should interpret as BSON Double.
+	        return new Double(value);
+	    }
+	    // from here on out we're looking for bson types, so bail if its not an object
+	    if (value == null || typeof value !== 'object')
+	        return value;
+	    // upgrade deprecated undefined to null
+	    if (value.$undefined)
+	        return null;
+	    var keys = Object.keys(value).filter(function (k) { return k.startsWith('$') && value[k] != null; });
+	    for (var i = 0; i < keys.length; i++) {
+	        var c = keysToCodecs[keys[i]];
+	        if (c)
+	            return c.fromExtendedJSON(value, options);
+	    }
+	    if (value.$date != null) {
+	        var d = value.$date;
+	        var date = new Date();
+	        if (options.legacy) {
+	            if (typeof d === 'number')
+	                date.setTime(d);
+	            else if (typeof d === 'string')
+	                date.setTime(Date.parse(d));
+	        }
+	        else {
+	            if (typeof d === 'string')
+	                date.setTime(Date.parse(d));
+	            else if (Long.isLong(d))
+	                date.setTime(d.toNumber());
+	            else if (typeof d === 'number' && options.relaxed)
+	                date.setTime(d);
+	        }
+	        return date;
+	    }
+	    if (value.$code != null) {
+	        var copy = Object.assign({}, value);
+	        if (value.$scope) {
+	            copy.$scope = deserializeValue(value.$scope);
+	        }
+	        return Code.fromExtendedJSON(value);
+	    }
+	    if (isDBRefLike(value) || value.$dbPointer) {
+	        var v = value.$ref ? value : value.$dbPointer;
+	        // we run into this in a "degenerate EJSON" case (with $id and $ref order flipped)
+	        // because of the order JSON.parse goes through the document
+	        if (v instanceof DBRef)
+	            return v;
+	        var dollarKeys = Object.keys(v).filter(function (k) { return k.startsWith('$'); });
+	        var valid_1 = true;
+	        dollarKeys.forEach(function (k) {
+	            if (['$ref', '$id', '$db'].indexOf(k) === -1)
+	                valid_1 = false;
+	        });
+	        // only make DBRef if $ keys are all valid
+	        if (valid_1)
+	            return DBRef.fromExtendedJSON(v);
+	    }
+	    return value;
+	}
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
+	function serializeArray(array, options) {
+	    return array.map(function (v, index) {
+	        options.seenObjects.push({ propertyName: "index ".concat(index), obj: null });
+	        try {
+	            return serializeValue(v, options);
+	        }
+	        finally {
+	            options.seenObjects.pop();
+	        }
+	    });
+	}
+	function getISOString(date) {
+	    var isoStr = date.toISOString();
+	    // we should only show milliseconds in timestamp if they're non-zero
+	    return date.getUTCMilliseconds() !== 0 ? isoStr : isoStr.slice(0, -5) + 'Z';
+	}
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
+	function serializeValue(value, options) {
+	    if ((typeof value === 'object' || typeof value === 'function') && value !== null) {
+	        var index = options.seenObjects.findIndex(function (entry) { return entry.obj === value; });
+	        if (index !== -1) {
+	            var props = options.seenObjects.map(function (entry) { return entry.propertyName; });
+	            var leadingPart = props
+	                .slice(0, index)
+	                .map(function (prop) { return "".concat(prop, " -> "); })
+	                .join('');
+	            var alreadySeen = props[index];
+	            var circularPart = ' -> ' +
+	                props
+	                    .slice(index + 1, props.length - 1)
+	                    .map(function (prop) { return "".concat(prop, " -> "); })
+	                    .join('');
+	            var current = props[props.length - 1];
+	            var leadingSpace = ' '.repeat(leadingPart.length + alreadySeen.length / 2);
+	            var dashes = '-'.repeat(circularPart.length + (alreadySeen.length + current.length) / 2 - 1);
+	            throw new BSONTypeError('Converting circular structure to EJSON:\n' +
+	                "    ".concat(leadingPart).concat(alreadySeen).concat(circularPart).concat(current, "\n") +
+	                "    ".concat(leadingSpace, "\\").concat(dashes, "/"));
+	        }
+	        options.seenObjects[options.seenObjects.length - 1].obj = value;
+	    }
+	    if (Array.isArray(value))
+	        return serializeArray(value, options);
+	    if (value === undefined)
+	        return null;
+	    if (value instanceof Date || isDate(value)) {
+	        var dateNum = value.getTime(), 
+	        // is it in year range 1970-9999?
+	        inRange = dateNum > -1 && dateNum < 253402318800000;
+	        if (options.legacy) {
+	            return options.relaxed && inRange
+	                ? { $date: value.getTime() }
+	                : { $date: getISOString(value) };
+	        }
+	        return options.relaxed && inRange
+	            ? { $date: getISOString(value) }
+	            : { $date: { $numberLong: value.getTime().toString() } };
+	    }
+	    if (typeof value === 'number' && (!options.relaxed || !isFinite(value))) {
+	        // it's an integer
+	        if (Math.floor(value) === value) {
+	            var int32Range = value >= BSON_INT32_MIN && value <= BSON_INT32_MAX, int64Range = value >= BSON_INT64_MIN && value <= BSON_INT64_MAX;
+	            // interpret as being of the smallest BSON integer type that can represent the number exactly
+	            if (int32Range)
+	                return { $numberInt: value.toString() };
+	            if (int64Range)
+	                return { $numberLong: value.toString() };
+	        }
+	        return { $numberDouble: value.toString() };
+	    }
+	    if (value instanceof RegExp || isRegExp(value)) {
+	        var flags = value.flags;
+	        if (flags === undefined) {
+	            var match = value.toString().match(/[gimuy]*$/);
+	            if (match) {
+	                flags = match[0];
+	            }
+	        }
+	        var rx = new BSONRegExp(value.source, flags);
+	        return rx.toExtendedJSON(options);
+	    }
+	    if (value != null && typeof value === 'object')
+	        return serializeDocument(value, options);
+	    return value;
+	}
+	var BSON_TYPE_MAPPINGS = {
+	    Binary: function (o) { return new Binary(o.value(), o.sub_type); },
+	    Code: function (o) { return new Code(o.code, o.scope); },
+	    DBRef: function (o) { return new DBRef(o.collection || o.namespace, o.oid, o.db, o.fields); },
+	    Decimal128: function (o) { return new Decimal128(o.bytes); },
+	    Double: function (o) { return new Double(o.value); },
+	    Int32: function (o) { return new Int32(o.value); },
+	    Long: function (o) {
+	        return Long.fromBits(
+	        // underscore variants for 1.x backwards compatibility
+	        o.low != null ? o.low : o.low_, o.low != null ? o.high : o.high_, o.low != null ? o.unsigned : o.unsigned_);
+	    },
+	    MaxKey: function () { return new MaxKey(); },
+	    MinKey: function () { return new MinKey(); },
+	    ObjectID: function (o) { return new ObjectId(o); },
+	    ObjectId: function (o) { return new ObjectId(o); },
+	    BSONRegExp: function (o) { return new BSONRegExp(o.pattern, o.options); },
+	    Symbol: function (o) { return new BSONSymbol(o.value); },
+	    Timestamp: function (o) { return Timestamp.fromBits(o.low, o.high); }
+	};
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
+	function serializeDocument(doc, options) {
+	    if (doc == null || typeof doc !== 'object')
+	        throw new BSONError('not an object instance');
+	    var bsontype = doc._bsontype;
+	    if (typeof bsontype === 'undefined') {
+	        // It's a regular object. Recursively serialize its property values.
+	        var _doc = {};
+	        for (var name in doc) {
+	            options.seenObjects.push({ propertyName: name, obj: null });
+	            try {
+	                var value = serializeValue(doc[name], options);
+	                if (name === '__proto__') {
+	                    Object.defineProperty(_doc, name, {
+	                        value: value,
+	                        writable: true,
+	                        enumerable: true,
+	                        configurable: true
+	                    });
+	                }
+	                else {
+	                    _doc[name] = value;
+	                }
+	            }
+	            finally {
+	                options.seenObjects.pop();
+	            }
+	        }
+	        return _doc;
+	    }
+	    else if (isBSONType(doc)) {
+	        // the "document" is really just a BSON type object
+	        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+	        var outDoc = doc;
+	        if (typeof outDoc.toExtendedJSON !== 'function') {
+	            // There's no EJSON serialization function on the object. It's probably an
+	            // object created by a previous version of this library (or another library)
+	            // that's duck-typing objects to look like they were generated by this library).
+	            // Copy the object into this library's version of that type.
+	            var mapper = BSON_TYPE_MAPPINGS[doc._bsontype];
+	            if (!mapper) {
+	                throw new BSONTypeError('Unrecognized or invalid _bsontype: ' + doc._bsontype);
+	            }
+	            outDoc = mapper(outDoc);
+	        }
+	        // Two BSON types may have nested objects that may need to be serialized too
+	        if (bsontype === 'Code' && outDoc.scope) {
+	            outDoc = new Code(outDoc.code, serializeValue(outDoc.scope, options));
+	        }
+	        else if (bsontype === 'DBRef' && outDoc.oid) {
+	            outDoc = new DBRef(serializeValue(outDoc.collection, options), serializeValue(outDoc.oid, options), serializeValue(outDoc.db, options), serializeValue(outDoc.fields, options));
+	        }
+	        return outDoc.toExtendedJSON(options);
+	    }
+	    else {
+	        throw new BSONError('_bsontype must be a string, but was: ' + typeof bsontype);
+	    }
+	}
+	/**
+	 * EJSON parse / stringify API
+	 * @public
+	 */
+	// the namespace here is used to emulate `export * as EJSON from '...'`
+	// which as of now (sept 2020) api-extractor does not support
+	// eslint-disable-next-line @typescript-eslint/no-namespace
+	exports.EJSON = void 0;
+	(function (EJSON) {
+	    /**
+	     * Parse an Extended JSON string, constructing the JavaScript value or object described by that
+	     * string.
+	     *
+	     * @example
+	     * ```js
+	     * const { EJSON } = require('bson');
+	     * const text = '{ "int32": { "$numberInt": "10" } }';
+	     *
+	     * // prints { int32: { [String: '10'] _bsontype: 'Int32', value: '10' } }
+	     * console.log(EJSON.parse(text, { relaxed: false }));
+	     *
+	     * // prints { int32: 10 }
+	     * console.log(EJSON.parse(text));
+	     * ```
+	     */
+	    function parse(text, options) {
+	        var finalOptions = Object.assign({}, { relaxed: true, legacy: false }, options);
+	        // relaxed implies not strict
+	        if (typeof finalOptions.relaxed === 'boolean')
+	            finalOptions.strict = !finalOptions.relaxed;
+	        if (typeof finalOptions.strict === 'boolean')
+	            finalOptions.relaxed = !finalOptions.strict;
+	        return JSON.parse(text, function (key, value) {
+	            if (key.indexOf('\x00') !== -1) {
+	                throw new BSONError("BSON Document field names cannot contain null bytes, found: ".concat(JSON.stringify(key)));
+	            }
+	            return deserializeValue(value, finalOptions);
+	        });
+	    }
+	    EJSON.parse = parse;
+	    /**
+	     * Converts a BSON document to an Extended JSON string, optionally replacing values if a replacer
+	     * function is specified or optionally including only the specified properties if a replacer array
+	     * is specified.
+	     *
+	     * @param value - The value to convert to extended JSON
+	     * @param replacer - A function that alters the behavior of the stringification process, or an array of String and Number objects that serve as a whitelist for selecting/filtering the properties of the value object to be included in the JSON string. If this value is null or not provided, all properties of the object are included in the resulting JSON string
+	     * @param space - A String or Number object that's used to insert white space into the output JSON string for readability purposes.
+	     * @param options - Optional settings
+	     *
+	     * @example
+	     * ```js
+	     * const { EJSON } = require('bson');
+	     * const Int32 = require('mongodb').Int32;
+	     * const doc = { int32: new Int32(10) };
+	     *
+	     * // prints '{"int32":{"$numberInt":"10"}}'
+	     * console.log(EJSON.stringify(doc, { relaxed: false }));
+	     *
+	     * // prints '{"int32":10}'
+	     * console.log(EJSON.stringify(doc));
+	     * ```
+	     */
+	    function stringify(value, 
+	    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+	    replacer, space, options) {
+	        if (space != null && typeof space === 'object') {
+	            options = space;
+	            space = 0;
+	        }
+	        if (replacer != null && typeof replacer === 'object' && !Array.isArray(replacer)) {
+	            options = replacer;
+	            replacer = undefined;
+	            space = 0;
+	        }
+	        var serializeOptions = Object.assign({ relaxed: true, legacy: false }, options, {
+	            seenObjects: [{ propertyName: '(root)', obj: null }]
+	        });
+	        var doc = serializeValue(value, serializeOptions);
+	        return JSON.stringify(doc, replacer, space);
+	    }
+	    EJSON.stringify = stringify;
+	    /**
+	     * Serializes an object to an Extended JSON string, and reparse it as a JavaScript object.
+	     *
+	     * @param value - The object to serialize
+	     * @param options - Optional settings passed to the `stringify` function
+	     */
+	    function serialize(value, options) {
+	        options = options || {};
+	        return JSON.parse(stringify(value, options));
+	    }
+	    EJSON.serialize = serialize;
+	    /**
+	     * Deserializes an Extended JSON object into a plain JavaScript object with native/BSON types
+	     *
+	     * @param ejson - The Extended JSON object to deserialize
+	     * @param options - Optional settings passed to the parse method
+	     */
+	    function deserialize(ejson, options) {
+	        options = options || {};
+	        return parse(JSON.stringify(ejson), options);
+	    }
+	    EJSON.deserialize = deserialize;
+	})(exports.EJSON || (exports.EJSON = {}));
+
+	/* eslint-disable @typescript-eslint/no-explicit-any */
+	/** @public */
+	exports.Map = void 0;
+	var bsonGlobal = getGlobal();
+	if (bsonGlobal.Map) {
+	    exports.Map = bsonGlobal.Map;
+	}
+	else {
+	    // We will return a polyfill
+	    exports.Map = /** @class */ (function () {
+	        function Map(array) {
+	            if (array === void 0) { array = []; }
+	            this._keys = [];
+	            this._values = {};
+	            for (var i = 0; i < array.length; i++) {
+	                if (array[i] == null)
+	                    continue; // skip null and undefined
+	                var entry = array[i];
+	                var key = entry[0];
+	                var value = entry[1];
+	                // Add the key to the list of keys in order
+	                this._keys.push(key);
+	                // Add the key and value to the values dictionary with a point
+	                // to the location in the ordered keys list
+	                this._values[key] = { v: value, i: this._keys.length - 1 };
+	            }
+	        }
+	        Map.prototype.clear = function () {
+	            this._keys = [];
+	            this._values = {};
+	        };
+	        Map.prototype.delete = function (key) {
+	            var value = this._values[key];
+	            if (value == null)
+	                return false;
+	            // Delete entry
+	            delete this._values[key];
+	            // Remove the key from the ordered keys list
+	            this._keys.splice(value.i, 1);
+	            return true;
+	        };
+	        Map.prototype.entries = function () {
+	            var _this = this;
+	            var index = 0;
+	            return {
+	                next: function () {
+	                    var key = _this._keys[index++];
+	                    return {
+	                        value: key !== undefined ? [key, _this._values[key].v] : undefined,
+	                        done: key !== undefined ? false : true
+	                    };
+	                }
+	            };
+	        };
+	        Map.prototype.forEach = function (callback, self) {
+	            self = self || this;
+	            for (var i = 0; i < this._keys.length; i++) {
+	                var key = this._keys[i];
+	                // Call the forEach callback
+	                callback.call(self, this._values[key].v, key, self);
+	            }
+	        };
+	        Map.prototype.get = function (key) {
+	            return this._values[key] ? this._values[key].v : undefined;
+	        };
+	        Map.prototype.has = function (key) {
+	            return this._values[key] != null;
+	        };
+	        Map.prototype.keys = function () {
+	            var _this = this;
+	            var index = 0;
+	            return {
+	                next: function () {
+	                    var key = _this._keys[index++];
+	                    return {
+	                        value: key !== undefined ? key : undefined,
+	                        done: key !== undefined ? false : true
+	                    };
+	                }
+	            };
+	        };
+	        Map.prototype.set = function (key, value) {
+	            if (this._values[key]) {
+	                this._values[key].v = value;
+	                return this;
+	            }
+	            // Add the key to the list of keys in order
+	            this._keys.push(key);
+	            // Add the key and value to the values dictionary with a point
+	            // to the location in the ordered keys list
+	            this._values[key] = { v: value, i: this._keys.length - 1 };
+	            return this;
+	        };
+	        Map.prototype.values = function () {
+	            var _this = this;
+	            var index = 0;
+	            return {
+	                next: function () {
+	                    var key = _this._keys[index++];
+	                    return {
+	                        value: key !== undefined ? _this._values[key].v : undefined,
+	                        done: key !== undefined ? false : true
+	                    };
+	                }
+	            };
+	        };
+	        Object.defineProperty(Map.prototype, "size", {
+	            get: function () {
+	                return this._keys.length;
+	            },
+	            enumerable: false,
+	            configurable: true
+	        });
+	        return Map;
+	    }());
+	}
+
+	function calculateObjectSize$1(object, serializeFunctions, ignoreUndefined) {
+	    var totalLength = 4 + 1;
+	    if (Array.isArray(object)) {
+	        for (var i = 0; i < object.length; i++) {
+	            totalLength += calculateElement(i.toString(), object[i], serializeFunctions, true, ignoreUndefined);
+	        }
+	    }
+	    else {
+	        // If we have toBSON defined, override the current object
+	        if (typeof (object === null || object === void 0 ? void 0 : object.toBSON) === 'function') {
+	            object = object.toBSON();
+	        }
+	        // Calculate size
+	        for (var key in object) {
+	            totalLength += calculateElement(key, object[key], serializeFunctions, false, ignoreUndefined);
+	        }
+	    }
+	    return totalLength;
+	}
+	/** @internal */
+	function calculateElement(name, 
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
+	value, serializeFunctions, isArray, ignoreUndefined) {
+	    if (serializeFunctions === void 0) { serializeFunctions = false; }
+	    if (isArray === void 0) { isArray = false; }
+	    if (ignoreUndefined === void 0) { ignoreUndefined = false; }
+	    // If we have toBSON defined, override the current object
+	    if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+	        value = value.toBSON();
+	    }
+	    switch (typeof value) {
+	        case 'string':
+	            return 1 + buffer_1.byteLength(name, 'utf8') + 1 + 4 + buffer_1.byteLength(value, 'utf8') + 1;
+	        case 'number':
+	            if (Math.floor(value) === value &&
+	                value >= JS_INT_MIN &&
+	                value <= JS_INT_MAX) {
+	                if (value >= BSON_INT32_MIN$1 && value <= BSON_INT32_MAX$1) {
+	                    // 32 bit
+	                    return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (4 + 1);
+	                }
+	                else {
+	                    return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+	                }
+	            }
+	            else {
+	                // 64 bit
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+	            }
+	        case 'undefined':
+	            if (isArray || !ignoreUndefined)
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + 1;
+	            return 0;
+	        case 'boolean':
+	            return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (1 + 1);
+	        case 'object':
+	            if (value == null || value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + 1;
+	            }
+	            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (12 + 1);
+	            }
+	            else if (value instanceof Date || isDate(value)) {
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+	            }
+	            else if (ArrayBuffer.isView(value) ||
+	                value instanceof ArrayBuffer ||
+	                isAnyArrayBuffer(value)) {
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (1 + 4 + 1) + value.byteLength);
+	            }
+	            else if (value['_bsontype'] === 'Long' ||
+	                value['_bsontype'] === 'Double' ||
+	                value['_bsontype'] === 'Timestamp') {
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+	            }
+	            else if (value['_bsontype'] === 'Decimal128') {
+	                return (name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (16 + 1);
+	            }
+	            else if (value['_bsontype'] === 'Code') {
+	                // Calculate size depending on the availability of a scope
+	                if (value.scope != null && Object.keys(value.scope).length > 0) {
+	                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                        1 +
+	                        4 +
+	                        4 +
+	                        buffer_1.byteLength(value.code.toString(), 'utf8') +
+	                        1 +
+	                        calculateObjectSize$1(value.scope, serializeFunctions, ignoreUndefined));
+	                }
+	                else {
+	                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                        1 +
+	                        4 +
+	                        buffer_1.byteLength(value.code.toString(), 'utf8') +
+	                        1);
+	                }
+	            }
+	            else if (value['_bsontype'] === 'Binary') {
+	                var binary = value;
+	                // Check what kind of subtype we have
+	                if (binary.sub_type === Binary.SUBTYPE_BYTE_ARRAY) {
+	                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                        (binary.position + 1 + 4 + 1 + 4));
+	                }
+	                else {
+	                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) + (binary.position + 1 + 4 + 1));
+	                }
+	            }
+	            else if (value['_bsontype'] === 'Symbol') {
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                    buffer_1.byteLength(value.value, 'utf8') +
+	                    4 +
+	                    1 +
+	                    1);
+	            }
+	            else if (value['_bsontype'] === 'DBRef') {
+	                // Set up correct object for serialization
+	                var ordered_values = Object.assign({
+	                    $ref: value.collection,
+	                    $id: value.oid
+	                }, value.fields);
+	                // Add db reference if it exists
+	                if (value.db != null) {
+	                    ordered_values['$db'] = value.db;
+	                }
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                    1 +
+	                    calculateObjectSize$1(ordered_values, serializeFunctions, ignoreUndefined));
+	            }
+	            else if (value instanceof RegExp || isRegExp(value)) {
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                    1 +
+	                    buffer_1.byteLength(value.source, 'utf8') +
+	                    1 +
+	                    (value.global ? 1 : 0) +
+	                    (value.ignoreCase ? 1 : 0) +
+	                    (value.multiline ? 1 : 0) +
+	                    1);
+	            }
+	            else if (value['_bsontype'] === 'BSONRegExp') {
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                    1 +
+	                    buffer_1.byteLength(value.pattern, 'utf8') +
+	                    1 +
+	                    buffer_1.byteLength(value.options, 'utf8') +
+	                    1);
+	            }
+	            else {
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                    calculateObjectSize$1(value, serializeFunctions, ignoreUndefined) +
+	                    1);
+	            }
+	        case 'function':
+	            // WTF for 0.4.X where typeof /someregexp/ === 'function'
+	            if (value instanceof RegExp || isRegExp(value) || String.call(value) === '[object RegExp]') {
+	                return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                    1 +
+	                    buffer_1.byteLength(value.source, 'utf8') +
+	                    1 +
+	                    (value.global ? 1 : 0) +
+	                    (value.ignoreCase ? 1 : 0) +
+	                    (value.multiline ? 1 : 0) +
+	                    1);
+	            }
+	            else {
+	                if (serializeFunctions && value.scope != null && Object.keys(value.scope).length > 0) {
+	                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                        1 +
+	                        4 +
+	                        4 +
+	                        buffer_1.byteLength(normalizedFunctionString(value), 'utf8') +
+	                        1 +
+	                        calculateObjectSize$1(value.scope, serializeFunctions, ignoreUndefined));
+	                }
+	                else if (serializeFunctions) {
+	                    return ((name != null ? buffer_1.byteLength(name, 'utf8') + 1 : 0) +
+	                        1 +
+	                        4 +
+	                        buffer_1.byteLength(normalizedFunctionString(value), 'utf8') +
+	                        1);
+	                }
+	            }
+	    }
+	    return 0;
+	}
+
+	var FIRST_BIT = 0x80;
+	var FIRST_TWO_BITS = 0xc0;
+	var FIRST_THREE_BITS = 0xe0;
+	var FIRST_FOUR_BITS = 0xf0;
+	var FIRST_FIVE_BITS = 0xf8;
+	var TWO_BIT_CHAR = 0xc0;
+	var THREE_BIT_CHAR = 0xe0;
+	var FOUR_BIT_CHAR = 0xf0;
+	var CONTINUING_CHAR = 0x80;
+	/**
+	 * Determines if the passed in bytes are valid utf8
+	 * @param bytes - An array of 8-bit bytes. Must be indexable and have length property
+	 * @param start - The index to start validating
+	 * @param end - The index to end validating
+	 */
+	function validateUtf8(bytes, start, end) {
+	    var continuation = 0;
+	    for (var i = start; i < end; i += 1) {
+	        var byte = bytes[i];
+	        if (continuation) {
+	            if ((byte & FIRST_TWO_BITS) !== CONTINUING_CHAR) {
+	                return false;
+	            }
+	            continuation -= 1;
+	        }
+	        else if (byte & FIRST_BIT) {
+	            if ((byte & FIRST_THREE_BITS) === TWO_BIT_CHAR) {
+	                continuation = 1;
+	            }
+	            else if ((byte & FIRST_FOUR_BITS) === THREE_BIT_CHAR) {
+	                continuation = 2;
+	            }
+	            else if ((byte & FIRST_FIVE_BITS) === FOUR_BIT_CHAR) {
+	                continuation = 3;
+	            }
+	            else {
+	                return false;
+	            }
+	        }
+	    }
+	    return !continuation;
+	}
+
+	// Internal long versions
+	var JS_INT_MAX_LONG = Long.fromNumber(JS_INT_MAX);
+	var JS_INT_MIN_LONG = Long.fromNumber(JS_INT_MIN);
+	var functionCache = {};
+	function deserialize$1(buffer, options, isArray) {
+	    options = options == null ? {} : options;
+	    var index = options && options.index ? options.index : 0;
+	    // Read the document size
+	    var size = buffer[index] |
+	        (buffer[index + 1] << 8) |
+	        (buffer[index + 2] << 16) |
+	        (buffer[index + 3] << 24);
+	    if (size < 5) {
+	        throw new BSONError("bson size must be >= 5, is ".concat(size));
+	    }
+	    if (options.allowObjectSmallerThanBufferSize && buffer.length < size) {
+	        throw new BSONError("buffer length ".concat(buffer.length, " must be >= bson size ").concat(size));
+	    }
+	    if (!options.allowObjectSmallerThanBufferSize && buffer.length !== size) {
+	        throw new BSONError("buffer length ".concat(buffer.length, " must === bson size ").concat(size));
+	    }
+	    if (size + index > buffer.byteLength) {
+	        throw new BSONError("(bson size ".concat(size, " + options.index ").concat(index, " must be <= buffer length ").concat(buffer.byteLength, ")"));
+	    }
+	    // Illegal end value
+	    if (buffer[index + size - 1] !== 0) {
+	        throw new BSONError("One object, sized correctly, with a spot for an EOO, but the EOO isn't 0x00");
+	    }
+	    // Start deserializtion
+	    return deserializeObject(buffer, index, options, isArray);
+	}
+	var allowedDBRefKeys = /^\$ref$|^\$id$|^\$db$/;
+	function deserializeObject(buffer, index, options, isArray) {
+	    if (isArray === void 0) { isArray = false; }
+	    var evalFunctions = options['evalFunctions'] == null ? false : options['evalFunctions'];
+	    var cacheFunctions = options['cacheFunctions'] == null ? false : options['cacheFunctions'];
+	    var fieldsAsRaw = options['fieldsAsRaw'] == null ? null : options['fieldsAsRaw'];
+	    // Return raw bson buffer instead of parsing it
+	    var raw = options['raw'] == null ? false : options['raw'];
+	    // Return BSONRegExp objects instead of native regular expressions
+	    var bsonRegExp = typeof options['bsonRegExp'] === 'boolean' ? options['bsonRegExp'] : false;
+	    // Controls the promotion of values vs wrapper classes
+	    var promoteBuffers = options['promoteBuffers'] == null ? false : options['promoteBuffers'];
+	    var promoteLongs = options['promoteLongs'] == null ? true : options['promoteLongs'];
+	    var promoteValues = options['promoteValues'] == null ? true : options['promoteValues'];
+	    // Ensures default validation option if none given
+	    var validation = options.validation == null ? { utf8: true } : options.validation;
+	    // Shows if global utf-8 validation is enabled or disabled
+	    var globalUTFValidation = true;
+	    // Reflects utf-8 validation setting regardless of global or specific key validation
+	    var validationSetting;
+	    // Set of keys either to enable or disable validation on
+	    var utf8KeysSet = new Set();
+	    // Check for boolean uniformity and empty validation option
+	    var utf8ValidatedKeys = validation.utf8;
+	    if (typeof utf8ValidatedKeys === 'boolean') {
+	        validationSetting = utf8ValidatedKeys;
+	    }
+	    else {
+	        globalUTFValidation = false;
+	        var utf8ValidationValues = Object.keys(utf8ValidatedKeys).map(function (key) {
+	            return utf8ValidatedKeys[key];
+	        });
+	        if (utf8ValidationValues.length === 0) {
+	            throw new BSONError('UTF-8 validation setting cannot be empty');
+	        }
+	        if (typeof utf8ValidationValues[0] !== 'boolean') {
+	            throw new BSONError('Invalid UTF-8 validation option, must specify boolean values');
+	        }
+	        validationSetting = utf8ValidationValues[0];
+	        // Ensures boolean uniformity in utf-8 validation (all true or all false)
+	        if (!utf8ValidationValues.every(function (item) { return item === validationSetting; })) {
+	            throw new BSONError('Invalid UTF-8 validation option - keys must be all true or all false');
+	        }
+	    }
+	    // Add keys to set that will either be validated or not based on validationSetting
+	    if (!globalUTFValidation) {
+	        for (var _i = 0, _a = Object.keys(utf8ValidatedKeys); _i < _a.length; _i++) {
+	            var key = _a[_i];
+	            utf8KeysSet.add(key);
+	        }
+	    }
+	    // Set the start index
+	    var startIndex = index;
+	    // Validate that we have at least 4 bytes of buffer
+	    if (buffer.length < 5)
+	        throw new BSONError('corrupt bson message < 5 bytes long');
+	    // Read the document size
+	    var size = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+	    // Ensure buffer is valid size
+	    if (size < 5 || size > buffer.length)
+	        throw new BSONError('corrupt bson message');
+	    // Create holding object
+	    var object = isArray ? [] : {};
+	    // Used for arrays to skip having to perform utf8 decoding
+	    var arrayIndex = 0;
+	    var done = false;
+	    var isPossibleDBRef = isArray ? false : null;
+	    // While we have more left data left keep parsing
+	    var dataview = new DataView(buffer.buffer, buffer.byteOffset, buffer.byteLength);
+	    while (!done) {
+	        // Read the type
+	        var elementType = buffer[index++];
+	        // If we get a zero it's the last byte, exit
+	        if (elementType === 0)
+	            break;
+	        // Get the start search index
+	        var i = index;
+	        // Locate the end of the c string
+	        while (buffer[i] !== 0x00 && i < buffer.length) {
+	            i++;
+	        }
+	        // If are at the end of the buffer there is a problem with the document
+	        if (i >= buffer.byteLength)
+	            throw new BSONError('Bad BSON Document: illegal CString');
+	        // Represents the key
+	        var name = isArray ? arrayIndex++ : buffer.toString('utf8', index, i);
+	        // shouldValidateKey is true if the key should be validated, false otherwise
+	        var shouldValidateKey = true;
+	        if (globalUTFValidation || utf8KeysSet.has(name)) {
+	            shouldValidateKey = validationSetting;
+	        }
+	        else {
+	            shouldValidateKey = !validationSetting;
+	        }
+	        if (isPossibleDBRef !== false && name[0] === '$') {
+	            isPossibleDBRef = allowedDBRefKeys.test(name);
+	        }
+	        var value = void 0;
+	        index = i + 1;
+	        if (elementType === BSON_DATA_STRING) {
+	            var stringSize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            if (stringSize <= 0 ||
+	                stringSize > buffer.length - index ||
+	                buffer[index + stringSize - 1] !== 0) {
+	                throw new BSONError('bad string length in bson');
+	            }
+	            value = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+	            index = index + stringSize;
+	        }
+	        else if (elementType === BSON_DATA_OID) {
+	            var oid = buffer_1.alloc(12);
+	            buffer.copy(oid, 0, index, index + 12);
+	            value = new ObjectId(oid);
+	            index = index + 12;
+	        }
+	        else if (elementType === BSON_DATA_INT && promoteValues === false) {
+	            value = new Int32(buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24));
+	        }
+	        else if (elementType === BSON_DATA_INT) {
+	            value =
+	                buffer[index++] |
+	                    (buffer[index++] << 8) |
+	                    (buffer[index++] << 16) |
+	                    (buffer[index++] << 24);
+	        }
+	        else if (elementType === BSON_DATA_NUMBER && promoteValues === false) {
+	            value = new Double(dataview.getFloat64(index, true));
+	            index = index + 8;
+	        }
+	        else if (elementType === BSON_DATA_NUMBER) {
+	            value = dataview.getFloat64(index, true);
+	            index = index + 8;
+	        }
+	        else if (elementType === BSON_DATA_DATE) {
+	            var lowBits = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            var highBits = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            value = new Date(new Long(lowBits, highBits).toNumber());
+	        }
+	        else if (elementType === BSON_DATA_BOOLEAN) {
+	            if (buffer[index] !== 0 && buffer[index] !== 1)
+	                throw new BSONError('illegal boolean type value');
+	            value = buffer[index++] === 1;
+	        }
+	        else if (elementType === BSON_DATA_OBJECT) {
+	            var _index = index;
+	            var objectSize = buffer[index] |
+	                (buffer[index + 1] << 8) |
+	                (buffer[index + 2] << 16) |
+	                (buffer[index + 3] << 24);
+	            if (objectSize <= 0 || objectSize > buffer.length - index)
+	                throw new BSONError('bad embedded document length in bson');
+	            // We have a raw value
+	            if (raw) {
+	                value = buffer.slice(index, index + objectSize);
+	            }
+	            else {
+	                var objectOptions = options;
+	                if (!globalUTFValidation) {
+	                    objectOptions = _assign(_assign({}, options), { validation: { utf8: shouldValidateKey } });
+	                }
+	                value = deserializeObject(buffer, _index, objectOptions, false);
+	            }
+	            index = index + objectSize;
+	        }
+	        else if (elementType === BSON_DATA_ARRAY) {
+	            var _index = index;
+	            var objectSize = buffer[index] |
+	                (buffer[index + 1] << 8) |
+	                (buffer[index + 2] << 16) |
+	                (buffer[index + 3] << 24);
+	            var arrayOptions = options;
+	            // Stop index
+	            var stopIndex = index + objectSize;
+	            // All elements of array to be returned as raw bson
+	            if (fieldsAsRaw && fieldsAsRaw[name]) {
+	                arrayOptions = {};
+	                for (var n in options) {
+	                    arrayOptions[n] = options[n];
+	                }
+	                arrayOptions['raw'] = true;
+	            }
+	            if (!globalUTFValidation) {
+	                arrayOptions = _assign(_assign({}, arrayOptions), { validation: { utf8: shouldValidateKey } });
+	            }
+	            value = deserializeObject(buffer, _index, arrayOptions, true);
+	            index = index + objectSize;
+	            if (buffer[index - 1] !== 0)
+	                throw new BSONError('invalid array terminator byte');
+	            if (index !== stopIndex)
+	                throw new BSONError('corrupted array bson');
+	        }
+	        else if (elementType === BSON_DATA_UNDEFINED) {
+	            value = undefined;
+	        }
+	        else if (elementType === BSON_DATA_NULL) {
+	            value = null;
+	        }
+	        else if (elementType === BSON_DATA_LONG) {
+	            // Unpack the low and high bits
+	            var lowBits = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            var highBits = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            var long = new Long(lowBits, highBits);
+	            // Promote the long if possible
+	            if (promoteLongs && promoteValues === true) {
+	                value =
+	                    long.lessThanOrEqual(JS_INT_MAX_LONG) && long.greaterThanOrEqual(JS_INT_MIN_LONG)
+	                        ? long.toNumber()
+	                        : long;
+	            }
+	            else {
+	                value = long;
+	            }
+	        }
+	        else if (elementType === BSON_DATA_DECIMAL128) {
+	            // Buffer to contain the decimal bytes
+	            var bytes = buffer_1.alloc(16);
+	            // Copy the next 16 bytes into the bytes buffer
+	            buffer.copy(bytes, 0, index, index + 16);
+	            // Update index
+	            index = index + 16;
+	            // Assign the new Decimal128 value
+	            var decimal128 = new Decimal128(bytes);
+	            // If we have an alternative mapper use that
+	            if ('toObject' in decimal128 && typeof decimal128.toObject === 'function') {
+	                value = decimal128.toObject();
+	            }
+	            else {
+	                value = decimal128;
+	            }
+	        }
+	        else if (elementType === BSON_DATA_BINARY) {
+	            var binarySize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            var totalBinarySize = binarySize;
+	            var subType = buffer[index++];
+	            // Did we have a negative binary size, throw
+	            if (binarySize < 0)
+	                throw new BSONError('Negative binary type element size found');
+	            // Is the length longer than the document
+	            if (binarySize > buffer.byteLength)
+	                throw new BSONError('Binary type size larger than document size');
+	            // Decode as raw Buffer object if options specifies it
+	            if (buffer['slice'] != null) {
+	                // If we have subtype 2 skip the 4 bytes for the size
+	                if (subType === Binary.SUBTYPE_BYTE_ARRAY) {
+	                    binarySize =
+	                        buffer[index++] |
+	                            (buffer[index++] << 8) |
+	                            (buffer[index++] << 16) |
+	                            (buffer[index++] << 24);
+	                    if (binarySize < 0)
+	                        throw new BSONError('Negative binary type element size found for subtype 0x02');
+	                    if (binarySize > totalBinarySize - 4)
+	                        throw new BSONError('Binary type with subtype 0x02 contains too long binary size');
+	                    if (binarySize < totalBinarySize - 4)
+	                        throw new BSONError('Binary type with subtype 0x02 contains too short binary size');
+	                }
+	                if (promoteBuffers && promoteValues) {
+	                    value = buffer.slice(index, index + binarySize);
+	                }
+	                else {
+	                    value = new Binary(buffer.slice(index, index + binarySize), subType);
+	                    if (subType === BSON_BINARY_SUBTYPE_UUID_NEW) {
+	                        value = value.toUUID();
+	                    }
+	                }
+	            }
+	            else {
+	                var _buffer = buffer_1.alloc(binarySize);
+	                // If we have subtype 2 skip the 4 bytes for the size
+	                if (subType === Binary.SUBTYPE_BYTE_ARRAY) {
+	                    binarySize =
+	                        buffer[index++] |
+	                            (buffer[index++] << 8) |
+	                            (buffer[index++] << 16) |
+	                            (buffer[index++] << 24);
+	                    if (binarySize < 0)
+	                        throw new BSONError('Negative binary type element size found for subtype 0x02');
+	                    if (binarySize > totalBinarySize - 4)
+	                        throw new BSONError('Binary type with subtype 0x02 contains too long binary size');
+	                    if (binarySize < totalBinarySize - 4)
+	                        throw new BSONError('Binary type with subtype 0x02 contains too short binary size');
+	                }
+	                // Copy the data
+	                for (i = 0; i < binarySize; i++) {
+	                    _buffer[i] = buffer[index + i];
+	                }
+	                if (promoteBuffers && promoteValues) {
+	                    value = _buffer;
+	                }
+	                else if (subType === BSON_BINARY_SUBTYPE_UUID_NEW) {
+	                    value = new Binary(buffer.slice(index, index + binarySize), subType).toUUID();
+	                }
+	                else {
+	                    value = new Binary(buffer.slice(index, index + binarySize), subType);
+	                }
+	            }
+	            // Update the index
+	            index = index + binarySize;
+	        }
+	        else if (elementType === BSON_DATA_REGEXP && bsonRegExp === false) {
+	            // Get the start search index
+	            i = index;
+	            // Locate the end of the c string
+	            while (buffer[i] !== 0x00 && i < buffer.length) {
+	                i++;
+	            }
+	            // If are at the end of the buffer there is a problem with the document
+	            if (i >= buffer.length)
+	                throw new BSONError('Bad BSON Document: illegal CString');
+	            // Return the C string
+	            var source = buffer.toString('utf8', index, i);
+	            // Create the regexp
+	            index = i + 1;
+	            // Get the start search index
+	            i = index;
+	            // Locate the end of the c string
+	            while (buffer[i] !== 0x00 && i < buffer.length) {
+	                i++;
+	            }
+	            // If are at the end of the buffer there is a problem with the document
+	            if (i >= buffer.length)
+	                throw new BSONError('Bad BSON Document: illegal CString');
+	            // Return the C string
+	            var regExpOptions = buffer.toString('utf8', index, i);
+	            index = i + 1;
+	            // For each option add the corresponding one for javascript
+	            var optionsArray = new Array(regExpOptions.length);
+	            // Parse options
+	            for (i = 0; i < regExpOptions.length; i++) {
+	                switch (regExpOptions[i]) {
+	                    case 'm':
+	                        optionsArray[i] = 'm';
+	                        break;
+	                    case 's':
+	                        optionsArray[i] = 'g';
+	                        break;
+	                    case 'i':
+	                        optionsArray[i] = 'i';
+	                        break;
+	                }
+	            }
+	            value = new RegExp(source, optionsArray.join(''));
+	        }
+	        else if (elementType === BSON_DATA_REGEXP && bsonRegExp === true) {
+	            // Get the start search index
+	            i = index;
+	            // Locate the end of the c string
+	            while (buffer[i] !== 0x00 && i < buffer.length) {
+	                i++;
+	            }
+	            // If are at the end of the buffer there is a problem with the document
+	            if (i >= buffer.length)
+	                throw new BSONError('Bad BSON Document: illegal CString');
+	            // Return the C string
+	            var source = buffer.toString('utf8', index, i);
+	            index = i + 1;
+	            // Get the start search index
+	            i = index;
+	            // Locate the end of the c string
+	            while (buffer[i] !== 0x00 && i < buffer.length) {
+	                i++;
+	            }
+	            // If are at the end of the buffer there is a problem with the document
+	            if (i >= buffer.length)
+	                throw new BSONError('Bad BSON Document: illegal CString');
+	            // Return the C string
+	            var regExpOptions = buffer.toString('utf8', index, i);
+	            index = i + 1;
+	            // Set the object
+	            value = new BSONRegExp(source, regExpOptions);
+	        }
+	        else if (elementType === BSON_DATA_SYMBOL) {
+	            var stringSize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            if (stringSize <= 0 ||
+	                stringSize > buffer.length - index ||
+	                buffer[index + stringSize - 1] !== 0) {
+	                throw new BSONError('bad string length in bson');
+	            }
+	            var symbol = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+	            value = promoteValues ? symbol : new BSONSymbol(symbol);
+	            index = index + stringSize;
+	        }
+	        else if (elementType === BSON_DATA_TIMESTAMP) {
+	            var lowBits = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            var highBits = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            value = new Timestamp(lowBits, highBits);
+	        }
+	        else if (elementType === BSON_DATA_MIN_KEY) {
+	            value = new MinKey();
+	        }
+	        else if (elementType === BSON_DATA_MAX_KEY) {
+	            value = new MaxKey();
+	        }
+	        else if (elementType === BSON_DATA_CODE) {
+	            var stringSize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            if (stringSize <= 0 ||
+	                stringSize > buffer.length - index ||
+	                buffer[index + stringSize - 1] !== 0) {
+	                throw new BSONError('bad string length in bson');
+	            }
+	            var functionString = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+	            // If we are evaluating the functions
+	            if (evalFunctions) {
+	                // If we have cache enabled let's look for the md5 of the function in the cache
+	                if (cacheFunctions) {
+	                    // Got to do this to avoid V8 deoptimizing the call due to finding eval
+	                    value = isolateEval(functionString, functionCache, object);
+	                }
+	                else {
+	                    value = isolateEval(functionString);
+	                }
+	            }
+	            else {
+	                value = new Code(functionString);
+	            }
+	            // Update parse index position
+	            index = index + stringSize;
+	        }
+	        else if (elementType === BSON_DATA_CODE_W_SCOPE) {
+	            var totalSize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            // Element cannot be shorter than totalSize + stringSize + documentSize + terminator
+	            if (totalSize < 4 + 4 + 4 + 1) {
+	                throw new BSONError('code_w_scope total size shorter minimum expected length');
+	            }
+	            // Get the code string size
+	            var stringSize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            // Check if we have a valid string
+	            if (stringSize <= 0 ||
+	                stringSize > buffer.length - index ||
+	                buffer[index + stringSize - 1] !== 0) {
+	                throw new BSONError('bad string length in bson');
+	            }
+	            // Javascript function
+	            var functionString = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+	            // Update parse index position
+	            index = index + stringSize;
+	            // Parse the element
+	            var _index = index;
+	            // Decode the size of the object document
+	            var objectSize = buffer[index] |
+	                (buffer[index + 1] << 8) |
+	                (buffer[index + 2] << 16) |
+	                (buffer[index + 3] << 24);
+	            // Decode the scope object
+	            var scopeObject = deserializeObject(buffer, _index, options, false);
+	            // Adjust the index
+	            index = index + objectSize;
+	            // Check if field length is too short
+	            if (totalSize < 4 + 4 + objectSize + stringSize) {
+	                throw new BSONError('code_w_scope total size is too short, truncating scope');
+	            }
+	            // Check if totalSize field is too long
+	            if (totalSize > 4 + 4 + objectSize + stringSize) {
+	                throw new BSONError('code_w_scope total size is too long, clips outer document');
+	            }
+	            // If we are evaluating the functions
+	            if (evalFunctions) {
+	                // If we have cache enabled let's look for the md5 of the function in the cache
+	                if (cacheFunctions) {
+	                    // Got to do this to avoid V8 deoptimizing the call due to finding eval
+	                    value = isolateEval(functionString, functionCache, object);
+	                }
+	                else {
+	                    value = isolateEval(functionString);
+	                }
+	                value.scope = scopeObject;
+	            }
+	            else {
+	                value = new Code(functionString, scopeObject);
+	            }
+	        }
+	        else if (elementType === BSON_DATA_DBPOINTER) {
+	            // Get the code string size
+	            var stringSize = buffer[index++] |
+	                (buffer[index++] << 8) |
+	                (buffer[index++] << 16) |
+	                (buffer[index++] << 24);
+	            // Check if we have a valid string
+	            if (stringSize <= 0 ||
+	                stringSize > buffer.length - index ||
+	                buffer[index + stringSize - 1] !== 0)
+	                throw new BSONError('bad string length in bson');
+	            // Namespace
+	            if (validation != null && validation.utf8) {
+	                if (!validateUtf8(buffer, index, index + stringSize - 1)) {
+	                    throw new BSONError('Invalid UTF-8 string in BSON document');
+	                }
+	            }
+	            var namespace = buffer.toString('utf8', index, index + stringSize - 1);
+	            // Update parse index position
+	            index = index + stringSize;
+	            // Read the oid
+	            var oidBuffer = buffer_1.alloc(12);
+	            buffer.copy(oidBuffer, 0, index, index + 12);
+	            var oid = new ObjectId(oidBuffer);
+	            // Update the index
+	            index = index + 12;
+	            // Upgrade to DBRef type
+	            value = new DBRef(namespace, oid);
+	        }
+	        else {
+	            throw new BSONError("Detected unknown BSON type ".concat(elementType.toString(16), " for fieldname \"").concat(name, "\""));
+	        }
+	        if (name === '__proto__') {
+	            Object.defineProperty(object, name, {
+	                value: value,
+	                writable: true,
+	                enumerable: true,
+	                configurable: true
+	            });
+	        }
+	        else {
+	            object[name] = value;
+	        }
+	    }
+	    // Check if the deserialization was against a valid array/object
+	    if (size !== index - startIndex) {
+	        if (isArray)
+	            throw new BSONError('corrupt array bson');
+	        throw new BSONError('corrupt object bson');
+	    }
+	    // if we did not find "$ref", "$id", "$db", or found an extraneous $key, don't make a DBRef
+	    if (!isPossibleDBRef)
+	        return object;
+	    if (isDBRefLike(object)) {
+	        var copy = Object.assign({}, object);
+	        delete copy.$ref;
+	        delete copy.$id;
+	        delete copy.$db;
+	        return new DBRef(object.$ref, object.$id, object.$db, copy);
+	    }
+	    return object;
+	}
+	/**
+	 * Ensure eval is isolated, store the result in functionCache.
+	 *
+	 * @internal
+	 */
+	function isolateEval(functionString, functionCache, object) {
+	    // eslint-disable-next-line @typescript-eslint/no-implied-eval
+	    if (!functionCache)
+	        return new Function(functionString);
+	    // Check for cache hit, eval if missing and return cached function
+	    if (functionCache[functionString] == null) {
+	        // eslint-disable-next-line @typescript-eslint/no-implied-eval
+	        functionCache[functionString] = new Function(functionString);
+	    }
+	    // Set the object
+	    return functionCache[functionString].bind(object);
+	}
+	function getValidatedString(buffer, start, end, shouldValidateUtf8) {
+	    var value = buffer.toString('utf8', start, end);
+	    // if utf8 validation is on, do the check
+	    if (shouldValidateUtf8) {
+	        for (var i = 0; i < value.length; i++) {
+	            if (value.charCodeAt(i) === 0xfffd) {
+	                if (!validateUtf8(buffer, start, end)) {
+	                    throw new BSONError('Invalid UTF-8 string in BSON document');
+	                }
+	                break;
+	            }
+	        }
+	    }
+	    return value;
+	}
+
+	var regexp = /\x00/; // eslint-disable-line no-control-regex
+	var ignoreKeys = new Set(['$db', '$ref', '$id', '$clusterTime']);
+	/*
+	 * isArray indicates if we are writing to a BSON array (type 0x04)
+	 * which forces the "key" which really an array index as a string to be written as ascii
+	 * This will catch any errors in index as a string generation
+	 */
+	function serializeString(buffer, key, value, index, isArray) {
+	    // Encode String type
+	    buffer[index++] = BSON_DATA_STRING;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes + 1;
+	    buffer[index - 1] = 0;
+	    // Write the string
+	    var size = buffer.write(value, index + 4, undefined, 'utf8');
+	    // Write the size of the string to buffer
+	    buffer[index + 3] = ((size + 1) >> 24) & 0xff;
+	    buffer[index + 2] = ((size + 1) >> 16) & 0xff;
+	    buffer[index + 1] = ((size + 1) >> 8) & 0xff;
+	    buffer[index] = (size + 1) & 0xff;
+	    // Update index
+	    index = index + 4 + size;
+	    // Write zero
+	    buffer[index++] = 0;
+	    return index;
+	}
+	var SPACE_FOR_FLOAT64 = new Uint8Array(8);
+	var DV_FOR_FLOAT64 = new DataView(SPACE_FOR_FLOAT64.buffer, SPACE_FOR_FLOAT64.byteOffset, SPACE_FOR_FLOAT64.byteLength);
+	function serializeNumber(buffer, key, value, index, isArray) {
+	    // We have an integer value
+	    // TODO(NODE-2529): Add support for big int
+	    if (Number.isInteger(value) &&
+	        value >= BSON_INT32_MIN$1 &&
+	        value <= BSON_INT32_MAX$1) {
+	        // If the value fits in 32 bits encode as int32
+	        // Set int type 32 bits or less
+	        buffer[index++] = BSON_DATA_INT;
+	        // Number of written bytes
+	        var numberOfWrittenBytes = !isArray
+	            ? buffer.write(key, index, undefined, 'utf8')
+	            : buffer.write(key, index, undefined, 'ascii');
+	        // Encode the name
+	        index = index + numberOfWrittenBytes;
+	        buffer[index++] = 0;
+	        // Write the int value
+	        buffer[index++] = value & 0xff;
+	        buffer[index++] = (value >> 8) & 0xff;
+	        buffer[index++] = (value >> 16) & 0xff;
+	        buffer[index++] = (value >> 24) & 0xff;
+	    }
+	    else {
+	        // Encode as double
+	        buffer[index++] = BSON_DATA_NUMBER;
+	        // Number of written bytes
+	        var numberOfWrittenBytes = !isArray
+	            ? buffer.write(key, index, undefined, 'utf8')
+	            : buffer.write(key, index, undefined, 'ascii');
+	        // Encode the name
+	        index = index + numberOfWrittenBytes;
+	        buffer[index++] = 0;
+	        // Write float
+	        DV_FOR_FLOAT64.setFloat64(0, value, true);
+	        buffer.set(SPACE_FOR_FLOAT64, index);
+	        // Adjust index
+	        index = index + 8;
+	    }
+	    return index;
+	}
+	function serializeNull(buffer, key, _, index, isArray) {
+	    // Set long type
+	    buffer[index++] = BSON_DATA_NULL;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    return index;
+	}
+	function serializeBoolean(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_BOOLEAN;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Encode the boolean value
+	    buffer[index++] = value ? 1 : 0;
+	    return index;
+	}
+	function serializeDate(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_DATE;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write the date
+	    var dateInMilis = Long.fromNumber(value.getTime());
+	    var lowBits = dateInMilis.getLowBits();
+	    var highBits = dateInMilis.getHighBits();
+	    // Encode low bits
+	    buffer[index++] = lowBits & 0xff;
+	    buffer[index++] = (lowBits >> 8) & 0xff;
+	    buffer[index++] = (lowBits >> 16) & 0xff;
+	    buffer[index++] = (lowBits >> 24) & 0xff;
+	    // Encode high bits
+	    buffer[index++] = highBits & 0xff;
+	    buffer[index++] = (highBits >> 8) & 0xff;
+	    buffer[index++] = (highBits >> 16) & 0xff;
+	    buffer[index++] = (highBits >> 24) & 0xff;
+	    return index;
+	}
+	function serializeRegExp(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_REGEXP;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    if (value.source && value.source.match(regexp) != null) {
+	        throw Error('value ' + value.source + ' must not contain null bytes');
+	    }
+	    // Adjust the index
+	    index = index + buffer.write(value.source, index, undefined, 'utf8');
+	    // Write zero
+	    buffer[index++] = 0x00;
+	    // Write the parameters
+	    if (value.ignoreCase)
+	        buffer[index++] = 0x69; // i
+	    if (value.global)
+	        buffer[index++] = 0x73; // s
+	    if (value.multiline)
+	        buffer[index++] = 0x6d; // m
+	    // Add ending zero
+	    buffer[index++] = 0x00;
+	    return index;
+	}
+	function serializeBSONRegExp(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_REGEXP;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Check the pattern for 0 bytes
+	    if (value.pattern.match(regexp) != null) {
+	        // The BSON spec doesn't allow keys with null bytes because keys are
+	        // null-terminated.
+	        throw Error('pattern ' + value.pattern + ' must not contain null bytes');
+	    }
+	    // Adjust the index
+	    index = index + buffer.write(value.pattern, index, undefined, 'utf8');
+	    // Write zero
+	    buffer[index++] = 0x00;
+	    // Write the options
+	    index = index + buffer.write(value.options.split('').sort().join(''), index, undefined, 'utf8');
+	    // Add ending zero
+	    buffer[index++] = 0x00;
+	    return index;
+	}
+	function serializeMinMax(buffer, key, value, index, isArray) {
+	    // Write the type of either min or max key
+	    if (value === null) {
+	        buffer[index++] = BSON_DATA_NULL;
+	    }
+	    else if (value._bsontype === 'MinKey') {
+	        buffer[index++] = BSON_DATA_MIN_KEY;
+	    }
+	    else {
+	        buffer[index++] = BSON_DATA_MAX_KEY;
+	    }
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    return index;
+	}
+	function serializeObjectId(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_OID;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write the objectId into the shared buffer
+	    if (typeof value.id === 'string') {
+	        buffer.write(value.id, index, undefined, 'binary');
+	    }
+	    else if (isUint8Array(value.id)) {
+	        // Use the standard JS methods here because buffer.copy() is buggy with the
+	        // browser polyfill
+	        buffer.set(value.id.subarray(0, 12), index);
+	    }
+	    else {
+	        throw new BSONTypeError('object [' + JSON.stringify(value) + '] is not a valid ObjectId');
+	    }
+	    // Adjust index
+	    return index + 12;
+	}
+	function serializeBuffer(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_BINARY;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Get size of the buffer (current write point)
+	    var size = value.length;
+	    // Write the size of the string to buffer
+	    buffer[index++] = size & 0xff;
+	    buffer[index++] = (size >> 8) & 0xff;
+	    buffer[index++] = (size >> 16) & 0xff;
+	    buffer[index++] = (size >> 24) & 0xff;
+	    // Write the default subtype
+	    buffer[index++] = BSON_BINARY_SUBTYPE_DEFAULT;
+	    // Copy the content form the binary field to the buffer
+	    buffer.set(ensureBuffer(value), index);
+	    // Adjust the index
+	    index = index + size;
+	    return index;
+	}
+	function serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, isArray, path) {
+	    if (checkKeys === void 0) { checkKeys = false; }
+	    if (depth === void 0) { depth = 0; }
+	    if (serializeFunctions === void 0) { serializeFunctions = false; }
+	    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+	    if (isArray === void 0) { isArray = false; }
+	    if (path === void 0) { path = []; }
+	    for (var i = 0; i < path.length; i++) {
+	        if (path[i] === value)
+	            throw new BSONError('cyclic dependency detected');
+	    }
+	    // Push value to stack
+	    path.push(value);
+	    // Write the type
+	    buffer[index++] = Array.isArray(value) ? BSON_DATA_ARRAY : BSON_DATA_OBJECT;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    var endIndex = serializeInto(buffer, value, checkKeys, index, depth + 1, serializeFunctions, ignoreUndefined, path);
+	    // Pop stack
+	    path.pop();
+	    return endIndex;
+	}
+	function serializeDecimal128(buffer, key, value, index, isArray) {
+	    buffer[index++] = BSON_DATA_DECIMAL128;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write the data from the value
+	    // Prefer the standard JS methods because their typechecking is not buggy,
+	    // unlike the `buffer` polyfill's.
+	    buffer.set(value.bytes.subarray(0, 16), index);
+	    return index + 16;
+	}
+	function serializeLong(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] =
+	        value._bsontype === 'Long' ? BSON_DATA_LONG : BSON_DATA_TIMESTAMP;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write the date
+	    var lowBits = value.getLowBits();
+	    var highBits = value.getHighBits();
+	    // Encode low bits
+	    buffer[index++] = lowBits & 0xff;
+	    buffer[index++] = (lowBits >> 8) & 0xff;
+	    buffer[index++] = (lowBits >> 16) & 0xff;
+	    buffer[index++] = (lowBits >> 24) & 0xff;
+	    // Encode high bits
+	    buffer[index++] = highBits & 0xff;
+	    buffer[index++] = (highBits >> 8) & 0xff;
+	    buffer[index++] = (highBits >> 16) & 0xff;
+	    buffer[index++] = (highBits >> 24) & 0xff;
+	    return index;
+	}
+	function serializeInt32(buffer, key, value, index, isArray) {
+	    value = value.valueOf();
+	    // Set int type 32 bits or less
+	    buffer[index++] = BSON_DATA_INT;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write the int value
+	    buffer[index++] = value & 0xff;
+	    buffer[index++] = (value >> 8) & 0xff;
+	    buffer[index++] = (value >> 16) & 0xff;
+	    buffer[index++] = (value >> 24) & 0xff;
+	    return index;
+	}
+	function serializeDouble(buffer, key, value, index, isArray) {
+	    // Encode as double
+	    buffer[index++] = BSON_DATA_NUMBER;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write float
+	    DV_FOR_FLOAT64.setFloat64(0, value.value, true);
+	    buffer.set(SPACE_FOR_FLOAT64, index);
+	    // Adjust index
+	    index = index + 8;
+	    return index;
+	}
+	function serializeFunction(buffer, key, value, index, _checkKeys, _depth, isArray) {
+	    buffer[index++] = BSON_DATA_CODE;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Function string
+	    var functionString = normalizedFunctionString(value);
+	    // Write the string
+	    var size = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+	    // Write the size of the string to buffer
+	    buffer[index] = size & 0xff;
+	    buffer[index + 1] = (size >> 8) & 0xff;
+	    buffer[index + 2] = (size >> 16) & 0xff;
+	    buffer[index + 3] = (size >> 24) & 0xff;
+	    // Update index
+	    index = index + 4 + size - 1;
+	    // Write zero
+	    buffer[index++] = 0;
+	    return index;
+	}
+	function serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, isArray) {
+	    if (checkKeys === void 0) { checkKeys = false; }
+	    if (depth === void 0) { depth = 0; }
+	    if (serializeFunctions === void 0) { serializeFunctions = false; }
+	    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+	    if (isArray === void 0) { isArray = false; }
+	    if (value.scope && typeof value.scope === 'object') {
+	        // Write the type
+	        buffer[index++] = BSON_DATA_CODE_W_SCOPE;
+	        // Number of written bytes
+	        var numberOfWrittenBytes = !isArray
+	            ? buffer.write(key, index, undefined, 'utf8')
+	            : buffer.write(key, index, undefined, 'ascii');
+	        // Encode the name
+	        index = index + numberOfWrittenBytes;
+	        buffer[index++] = 0;
+	        // Starting index
+	        var startIndex = index;
+	        // Serialize the function
+	        // Get the function string
+	        var functionString = typeof value.code === 'string' ? value.code : value.code.toString();
+	        // Index adjustment
+	        index = index + 4;
+	        // Write string into buffer
+	        var codeSize = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+	        // Write the size of the string to buffer
+	        buffer[index] = codeSize & 0xff;
+	        buffer[index + 1] = (codeSize >> 8) & 0xff;
+	        buffer[index + 2] = (codeSize >> 16) & 0xff;
+	        buffer[index + 3] = (codeSize >> 24) & 0xff;
+	        // Write end 0
+	        buffer[index + 4 + codeSize - 1] = 0;
+	        // Write the
+	        index = index + codeSize + 4;
+	        //
+	        // Serialize the scope value
+	        var endIndex = serializeInto(buffer, value.scope, checkKeys, index, depth + 1, serializeFunctions, ignoreUndefined);
+	        index = endIndex - 1;
+	        // Writ the total
+	        var totalSize = endIndex - startIndex;
+	        // Write the total size of the object
+	        buffer[startIndex++] = totalSize & 0xff;
+	        buffer[startIndex++] = (totalSize >> 8) & 0xff;
+	        buffer[startIndex++] = (totalSize >> 16) & 0xff;
+	        buffer[startIndex++] = (totalSize >> 24) & 0xff;
+	        // Write trailing zero
+	        buffer[index++] = 0;
+	    }
+	    else {
+	        buffer[index++] = BSON_DATA_CODE;
+	        // Number of written bytes
+	        var numberOfWrittenBytes = !isArray
+	            ? buffer.write(key, index, undefined, 'utf8')
+	            : buffer.write(key, index, undefined, 'ascii');
+	        // Encode the name
+	        index = index + numberOfWrittenBytes;
+	        buffer[index++] = 0;
+	        // Function string
+	        var functionString = value.code.toString();
+	        // Write the string
+	        var size = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+	        // Write the size of the string to buffer
+	        buffer[index] = size & 0xff;
+	        buffer[index + 1] = (size >> 8) & 0xff;
+	        buffer[index + 2] = (size >> 16) & 0xff;
+	        buffer[index + 3] = (size >> 24) & 0xff;
+	        // Update index
+	        index = index + 4 + size - 1;
+	        // Write zero
+	        buffer[index++] = 0;
+	    }
+	    return index;
+	}
+	function serializeBinary(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_BINARY;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Extract the buffer
+	    var data = value.value(true);
+	    // Calculate size
+	    var size = value.position;
+	    // Add the deprecated 02 type 4 bytes of size to total
+	    if (value.sub_type === Binary.SUBTYPE_BYTE_ARRAY)
+	        size = size + 4;
+	    // Write the size of the string to buffer
+	    buffer[index++] = size & 0xff;
+	    buffer[index++] = (size >> 8) & 0xff;
+	    buffer[index++] = (size >> 16) & 0xff;
+	    buffer[index++] = (size >> 24) & 0xff;
+	    // Write the subtype to the buffer
+	    buffer[index++] = value.sub_type;
+	    // If we have binary type 2 the 4 first bytes are the size
+	    if (value.sub_type === Binary.SUBTYPE_BYTE_ARRAY) {
+	        size = size - 4;
+	        buffer[index++] = size & 0xff;
+	        buffer[index++] = (size >> 8) & 0xff;
+	        buffer[index++] = (size >> 16) & 0xff;
+	        buffer[index++] = (size >> 24) & 0xff;
+	    }
+	    // Write the data to the object
+	    buffer.set(data, index);
+	    // Adjust the index
+	    index = index + value.position;
+	    return index;
+	}
+	function serializeSymbol(buffer, key, value, index, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_SYMBOL;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    // Write the string
+	    var size = buffer.write(value.value, index + 4, undefined, 'utf8') + 1;
+	    // Write the size of the string to buffer
+	    buffer[index] = size & 0xff;
+	    buffer[index + 1] = (size >> 8) & 0xff;
+	    buffer[index + 2] = (size >> 16) & 0xff;
+	    buffer[index + 3] = (size >> 24) & 0xff;
+	    // Update index
+	    index = index + 4 + size - 1;
+	    // Write zero
+	    buffer[index++] = 0x00;
+	    return index;
+	}
+	function serializeDBRef(buffer, key, value, index, depth, serializeFunctions, isArray) {
+	    // Write the type
+	    buffer[index++] = BSON_DATA_OBJECT;
+	    // Number of written bytes
+	    var numberOfWrittenBytes = !isArray
+	        ? buffer.write(key, index, undefined, 'utf8')
+	        : buffer.write(key, index, undefined, 'ascii');
+	    // Encode the name
+	    index = index + numberOfWrittenBytes;
+	    buffer[index++] = 0;
+	    var startIndex = index;
+	    var output = {
+	        $ref: value.collection || value.namespace,
+	        $id: value.oid
+	    };
+	    if (value.db != null) {
+	        output.$db = value.db;
+	    }
+	    output = Object.assign(output, value.fields);
+	    var endIndex = serializeInto(buffer, output, false, index, depth + 1, serializeFunctions);
+	    // Calculate object size
+	    var size = endIndex - startIndex;
+	    // Write the size
+	    buffer[startIndex++] = size & 0xff;
+	    buffer[startIndex++] = (size >> 8) & 0xff;
+	    buffer[startIndex++] = (size >> 16) & 0xff;
+	    buffer[startIndex++] = (size >> 24) & 0xff;
+	    // Set index
+	    return endIndex;
+	}
+	function serializeInto(buffer, object, checkKeys, startingIndex, depth, serializeFunctions, ignoreUndefined, path) {
+	    if (checkKeys === void 0) { checkKeys = false; }
+	    if (startingIndex === void 0) { startingIndex = 0; }
+	    if (depth === void 0) { depth = 0; }
+	    if (serializeFunctions === void 0) { serializeFunctions = false; }
+	    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+	    if (path === void 0) { path = []; }
+	    startingIndex = startingIndex || 0;
+	    path = path || [];
+	    // Push the object to the path
+	    path.push(object);
+	    // Start place to serialize into
+	    var index = startingIndex + 4;
+	    // Special case isArray
+	    if (Array.isArray(object)) {
+	        // Get object keys
+	        for (var i = 0; i < object.length; i++) {
+	            var key = "".concat(i);
+	            var value = object[i];
+	            // Is there an override value
+	            if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+	                value = value.toBSON();
+	            }
+	            if (typeof value === 'string') {
+	                index = serializeString(buffer, key, value, index, true);
+	            }
+	            else if (typeof value === 'number') {
+	                index = serializeNumber(buffer, key, value, index, true);
+	            }
+	            else if (typeof value === 'bigint') {
+	                throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+	            }
+	            else if (typeof value === 'boolean') {
+	                index = serializeBoolean(buffer, key, value, index, true);
+	            }
+	            else if (value instanceof Date || isDate(value)) {
+	                index = serializeDate(buffer, key, value, index, true);
+	            }
+	            else if (value === undefined) {
+	                index = serializeNull(buffer, key, value, index, true);
+	            }
+	            else if (value === null) {
+	                index = serializeNull(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+	                index = serializeObjectId(buffer, key, value, index, true);
+	            }
+	            else if (isUint8Array(value)) {
+	                index = serializeBuffer(buffer, key, value, index, true);
+	            }
+	            else if (value instanceof RegExp || isRegExp(value)) {
+	                index = serializeRegExp(buffer, key, value, index, true);
+	            }
+	            else if (typeof value === 'object' && value['_bsontype'] == null) {
+	                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, true, path);
+	            }
+	            else if (typeof value === 'object' &&
+	                isBSONType(value) &&
+	                value._bsontype === 'Decimal128') {
+	                index = serializeDecimal128(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+	                index = serializeLong(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'Double') {
+	                index = serializeDouble(buffer, key, value, index, true);
+	            }
+	            else if (typeof value === 'function' && serializeFunctions) {
+	                index = serializeFunction(buffer, key, value, index, checkKeys, depth, true);
+	            }
+	            else if (value['_bsontype'] === 'Code') {
+	                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, true);
+	            }
+	            else if (value['_bsontype'] === 'Binary') {
+	                index = serializeBinary(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'Symbol') {
+	                index = serializeSymbol(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'DBRef') {
+	                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions, true);
+	            }
+	            else if (value['_bsontype'] === 'BSONRegExp') {
+	                index = serializeBSONRegExp(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'Int32') {
+	                index = serializeInt32(buffer, key, value, index, true);
+	            }
+	            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+	                index = serializeMinMax(buffer, key, value, index, true);
+	            }
+	            else if (typeof value['_bsontype'] !== 'undefined') {
+	                throw new BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+	            }
+	        }
+	    }
+	    else if (object instanceof exports.Map || isMap(object)) {
+	        var iterator = object.entries();
+	        var done = false;
+	        while (!done) {
+	            // Unpack the next entry
+	            var entry = iterator.next();
+	            done = !!entry.done;
+	            // Are we done, then skip and terminate
+	            if (done)
+	                continue;
+	            // Get the entry values
+	            var key = entry.value[0];
+	            var value = entry.value[1];
+	            // Check the type of the value
+	            var type = typeof value;
+	            // Check the key and throw error if it's illegal
+	            if (typeof key === 'string' && !ignoreKeys.has(key)) {
+	                if (key.match(regexp) != null) {
+	                    // The BSON spec doesn't allow keys with null bytes because keys are
+	                    // null-terminated.
+	                    throw Error('key ' + key + ' must not contain null bytes');
+	                }
+	                if (checkKeys) {
+	                    if ('$' === key[0]) {
+	                        throw Error('key ' + key + " must not start with '$'");
+	                    }
+	                    else if (~key.indexOf('.')) {
+	                        throw Error('key ' + key + " must not contain '.'");
+	                    }
+	                }
+	            }
+	            if (type === 'string') {
+	                index = serializeString(buffer, key, value, index);
+	            }
+	            else if (type === 'number') {
+	                index = serializeNumber(buffer, key, value, index);
+	            }
+	            else if (type === 'bigint' || isBigInt64Array(value) || isBigUInt64Array(value)) {
+	                throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+	            }
+	            else if (type === 'boolean') {
+	                index = serializeBoolean(buffer, key, value, index);
+	            }
+	            else if (value instanceof Date || isDate(value)) {
+	                index = serializeDate(buffer, key, value, index);
+	            }
+	            else if (value === null || (value === undefined && ignoreUndefined === false)) {
+	                index = serializeNull(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+	                index = serializeObjectId(buffer, key, value, index);
+	            }
+	            else if (isUint8Array(value)) {
+	                index = serializeBuffer(buffer, key, value, index);
+	            }
+	            else if (value instanceof RegExp || isRegExp(value)) {
+	                index = serializeRegExp(buffer, key, value, index);
+	            }
+	            else if (type === 'object' && value['_bsontype'] == null) {
+	                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, false, path);
+	            }
+	            else if (type === 'object' && value['_bsontype'] === 'Decimal128') {
+	                index = serializeDecimal128(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+	                index = serializeLong(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Double') {
+	                index = serializeDouble(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Code') {
+	                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined);
+	            }
+	            else if (typeof value === 'function' && serializeFunctions) {
+	                index = serializeFunction(buffer, key, value, index, checkKeys, depth, serializeFunctions);
+	            }
+	            else if (value['_bsontype'] === 'Binary') {
+	                index = serializeBinary(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Symbol') {
+	                index = serializeSymbol(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'DBRef') {
+	                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions);
+	            }
+	            else if (value['_bsontype'] === 'BSONRegExp') {
+	                index = serializeBSONRegExp(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Int32') {
+	                index = serializeInt32(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+	                index = serializeMinMax(buffer, key, value, index);
+	            }
+	            else if (typeof value['_bsontype'] !== 'undefined') {
+	                throw new BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+	            }
+	        }
+	    }
+	    else {
+	        if (typeof (object === null || object === void 0 ? void 0 : object.toBSON) === 'function') {
+	            // Provided a custom serialization method
+	            object = object.toBSON();
+	            if (object != null && typeof object !== 'object') {
+	                throw new BSONTypeError('toBSON function did not return an object');
+	            }
+	        }
+	        // Iterate over all the keys
+	        for (var key in object) {
+	            var value = object[key];
+	            // Is there an override value
+	            if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+	                value = value.toBSON();
+	            }
+	            // Check the type of the value
+	            var type = typeof value;
+	            // Check the key and throw error if it's illegal
+	            if (typeof key === 'string' && !ignoreKeys.has(key)) {
+	                if (key.match(regexp) != null) {
+	                    // The BSON spec doesn't allow keys with null bytes because keys are
+	                    // null-terminated.
+	                    throw Error('key ' + key + ' must not contain null bytes');
+	                }
+	                if (checkKeys) {
+	                    if ('$' === key[0]) {
+	                        throw Error('key ' + key + " must not start with '$'");
+	                    }
+	                    else if (~key.indexOf('.')) {
+	                        throw Error('key ' + key + " must not contain '.'");
+	                    }
+	                }
+	            }
+	            if (type === 'string') {
+	                index = serializeString(buffer, key, value, index);
+	            }
+	            else if (type === 'number') {
+	                index = serializeNumber(buffer, key, value, index);
+	            }
+	            else if (type === 'bigint') {
+	                throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+	            }
+	            else if (type === 'boolean') {
+	                index = serializeBoolean(buffer, key, value, index);
+	            }
+	            else if (value instanceof Date || isDate(value)) {
+	                index = serializeDate(buffer, key, value, index);
+	            }
+	            else if (value === undefined) {
+	                if (ignoreUndefined === false)
+	                    index = serializeNull(buffer, key, value, index);
+	            }
+	            else if (value === null) {
+	                index = serializeNull(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+	                index = serializeObjectId(buffer, key, value, index);
+	            }
+	            else if (isUint8Array(value)) {
+	                index = serializeBuffer(buffer, key, value, index);
+	            }
+	            else if (value instanceof RegExp || isRegExp(value)) {
+	                index = serializeRegExp(buffer, key, value, index);
+	            }
+	            else if (type === 'object' && value['_bsontype'] == null) {
+	                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, false, path);
+	            }
+	            else if (type === 'object' && value['_bsontype'] === 'Decimal128') {
+	                index = serializeDecimal128(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+	                index = serializeLong(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Double') {
+	                index = serializeDouble(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Code') {
+	                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined);
+	            }
+	            else if (typeof value === 'function' && serializeFunctions) {
+	                index = serializeFunction(buffer, key, value, index, checkKeys, depth, serializeFunctions);
+	            }
+	            else if (value['_bsontype'] === 'Binary') {
+	                index = serializeBinary(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Symbol') {
+	                index = serializeSymbol(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'DBRef') {
+	                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions);
+	            }
+	            else if (value['_bsontype'] === 'BSONRegExp') {
+	                index = serializeBSONRegExp(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'Int32') {
+	                index = serializeInt32(buffer, key, value, index);
+	            }
+	            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+	                index = serializeMinMax(buffer, key, value, index);
+	            }
+	            else if (typeof value['_bsontype'] !== 'undefined') {
+	                throw new BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+	            }
+	        }
+	    }
+	    // Remove the path
+	    path.pop();
+	    // Final padding byte for object
+	    buffer[index++] = 0x00;
+	    // Final size
+	    var size = index - startingIndex;
+	    // Write the size of the object
+	    buffer[startingIndex++] = size & 0xff;
+	    buffer[startingIndex++] = (size >> 8) & 0xff;
+	    buffer[startingIndex++] = (size >> 16) & 0xff;
+	    buffer[startingIndex++] = (size >> 24) & 0xff;
+	    return index;
+	}
+
+	/** @internal */
+	// Default Max Size
+	var MAXSIZE = 1024 * 1024 * 17;
+	// Current Internal Temporary Serialization Buffer
+	var buffer = buffer_1.alloc(MAXSIZE);
+	/**
+	 * Sets the size of the internal serialization buffer.
+	 *
+	 * @param size - The desired size for the internal serialization buffer
+	 * @public
+	 */
+	function setInternalBufferSize(size) {
+	    // Resize the internal serialization buffer if needed
+	    if (buffer.length < size) {
+	        buffer = buffer_1.alloc(size);
+	    }
+	}
+	/**
+	 * Serialize a Javascript object.
+	 *
+	 * @param object - the Javascript object to serialize.
+	 * @returns Buffer object containing the serialized object.
+	 * @public
+	 */
+	function serialize(object, options) {
+	    if (options === void 0) { options = {}; }
+	    // Unpack the options
+	    var checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+	    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+	    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+	    var minInternalBufferSize = typeof options.minInternalBufferSize === 'number' ? options.minInternalBufferSize : MAXSIZE;
+	    // Resize the internal serialization buffer if needed
+	    if (buffer.length < minInternalBufferSize) {
+	        buffer = buffer_1.alloc(minInternalBufferSize);
+	    }
+	    // Attempt to serialize
+	    var serializationIndex = serializeInto(buffer, object, checkKeys, 0, 0, serializeFunctions, ignoreUndefined, []);
+	    // Create the final buffer
+	    var finishedBuffer = buffer_1.alloc(serializationIndex);
+	    // Copy into the finished buffer
+	    buffer.copy(finishedBuffer, 0, 0, finishedBuffer.length);
+	    // Return the buffer
+	    return finishedBuffer;
+	}
+	/**
+	 * Serialize a Javascript object using a predefined Buffer and index into the buffer,
+	 * useful when pre-allocating the space for serialization.
+	 *
+	 * @param object - the Javascript object to serialize.
+	 * @param finalBuffer - the Buffer you pre-allocated to store the serialized BSON object.
+	 * @returns the index pointing to the last written byte in the buffer.
+	 * @public
+	 */
+	function serializeWithBufferAndIndex(object, finalBuffer, options) {
+	    if (options === void 0) { options = {}; }
+	    // Unpack the options
+	    var checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+	    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+	    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+	    var startIndex = typeof options.index === 'number' ? options.index : 0;
+	    // Attempt to serialize
+	    var serializationIndex = serializeInto(buffer, object, checkKeys, 0, 0, serializeFunctions, ignoreUndefined);
+	    buffer.copy(finalBuffer, startIndex, 0, serializationIndex);
+	    // Return the index
+	    return startIndex + serializationIndex - 1;
+	}
+	/**
+	 * Deserialize data as BSON.
+	 *
+	 * @param buffer - the buffer containing the serialized set of BSON documents.
+	 * @returns returns the deserialized Javascript Object.
+	 * @public
+	 */
+	function deserialize(buffer, options) {
+	    if (options === void 0) { options = {}; }
+	    return deserialize$1(buffer instanceof buffer_1 ? buffer : ensureBuffer(buffer), options);
+	}
+	/**
+	 * Calculate the bson size for a passed in Javascript object.
+	 *
+	 * @param object - the Javascript object to calculate the BSON byte size for
+	 * @returns size of BSON object in bytes
+	 * @public
+	 */
+	function calculateObjectSize(object, options) {
+	    if (options === void 0) { options = {}; }
+	    options = options || {};
+	    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+	    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+	    return calculateObjectSize$1(object, serializeFunctions, ignoreUndefined);
+	}
+	/**
+	 * Deserialize stream data as BSON documents.
+	 *
+	 * @param data - the buffer containing the serialized set of BSON documents.
+	 * @param startIndex - the start index in the data Buffer where the deserialization is to start.
+	 * @param numberOfDocuments - number of documents to deserialize.
+	 * @param documents - an array where to store the deserialized documents.
+	 * @param docStartIndex - the index in the documents array from where to start inserting documents.
+	 * @param options - additional options used for the deserialization.
+	 * @returns next index in the buffer after deserialization **x** numbers of documents.
+	 * @public
+	 */
+	function deserializeStream(data, startIndex, numberOfDocuments, documents, docStartIndex, options) {
+	    var internalOptions = Object.assign({ allowObjectSmallerThanBufferSize: true, index: 0 }, options);
+	    var bufferData = ensureBuffer(data);
+	    var index = startIndex;
+	    // Loop over all documents
+	    for (var i = 0; i < numberOfDocuments; i++) {
+	        // Find size of the document
+	        var size = bufferData[index] |
+	            (bufferData[index + 1] << 8) |
+	            (bufferData[index + 2] << 16) |
+	            (bufferData[index + 3] << 24);
+	        // Update options with index
+	        internalOptions.index = index;
+	        // Parse the document at this point
+	        documents[docStartIndex + i] = deserialize$1(bufferData, internalOptions);
+	        // Adjust index by the document size
+	        index = index + size;
+	    }
+	    // Return object containing end index of parsing and list of documents
+	    return index;
+	}
+	/**
+	 * BSON default export
+	 * @deprecated Please use named exports
+	 * @privateRemarks
+	 * We want to someday deprecate the default export,
+	 * so none of the new TS types are being exported on the default
+	 * @public
+	 */
+	var BSON = {
+	    Binary: Binary,
+	    Code: Code,
+	    DBRef: DBRef,
+	    Decimal128: Decimal128,
+	    Double: Double,
+	    Int32: Int32,
+	    Long: Long,
+	    UUID: UUID,
+	    Map: exports.Map,
+	    MaxKey: MaxKey,
+	    MinKey: MinKey,
+	    ObjectId: ObjectId,
+	    ObjectID: ObjectId,
+	    BSONRegExp: BSONRegExp,
+	    BSONSymbol: BSONSymbol,
+	    Timestamp: Timestamp,
+	    EJSON: exports.EJSON,
+	    setInternalBufferSize: setInternalBufferSize,
+	    serialize: serialize,
+	    serializeWithBufferAndIndex: serializeWithBufferAndIndex,
+	    deserialize: deserialize,
+	    calculateObjectSize: calculateObjectSize,
+	    deserializeStream: deserializeStream,
+	    BSONError: BSONError,
+	    BSONTypeError: BSONTypeError
+	};
+
+	exports.BSONError = BSONError;
+	exports.BSONRegExp = BSONRegExp;
+	exports.BSONSymbol = BSONSymbol;
+	exports.BSONTypeError = BSONTypeError;
+	exports.BSON_BINARY_SUBTYPE_BYTE_ARRAY = BSON_BINARY_SUBTYPE_BYTE_ARRAY;
+	exports.BSON_BINARY_SUBTYPE_COLUMN = BSON_BINARY_SUBTYPE_COLUMN;
+	exports.BSON_BINARY_SUBTYPE_DEFAULT = BSON_BINARY_SUBTYPE_DEFAULT;
+	exports.BSON_BINARY_SUBTYPE_ENCRYPTED = BSON_BINARY_SUBTYPE_ENCRYPTED;
+	exports.BSON_BINARY_SUBTYPE_FUNCTION = BSON_BINARY_SUBTYPE_FUNCTION;
+	exports.BSON_BINARY_SUBTYPE_MD5 = BSON_BINARY_SUBTYPE_MD5;
+	exports.BSON_BINARY_SUBTYPE_USER_DEFINED = BSON_BINARY_SUBTYPE_USER_DEFINED;
+	exports.BSON_BINARY_SUBTYPE_UUID = BSON_BINARY_SUBTYPE_UUID;
+	exports.BSON_BINARY_SUBTYPE_UUID_NEW = BSON_BINARY_SUBTYPE_UUID_NEW;
+	exports.BSON_DATA_ARRAY = BSON_DATA_ARRAY;
+	exports.BSON_DATA_BINARY = BSON_DATA_BINARY;
+	exports.BSON_DATA_BOOLEAN = BSON_DATA_BOOLEAN;
+	exports.BSON_DATA_CODE = BSON_DATA_CODE;
+	exports.BSON_DATA_CODE_W_SCOPE = BSON_DATA_CODE_W_SCOPE;
+	exports.BSON_DATA_DATE = BSON_DATA_DATE;
+	exports.BSON_DATA_DBPOINTER = BSON_DATA_DBPOINTER;
+	exports.BSON_DATA_DECIMAL128 = BSON_DATA_DECIMAL128;
+	exports.BSON_DATA_INT = BSON_DATA_INT;
+	exports.BSON_DATA_LONG = BSON_DATA_LONG;
+	exports.BSON_DATA_MAX_KEY = BSON_DATA_MAX_KEY;
+	exports.BSON_DATA_MIN_KEY = BSON_DATA_MIN_KEY;
+	exports.BSON_DATA_NULL = BSON_DATA_NULL;
+	exports.BSON_DATA_NUMBER = BSON_DATA_NUMBER;
+	exports.BSON_DATA_OBJECT = BSON_DATA_OBJECT;
+	exports.BSON_DATA_OID = BSON_DATA_OID;
+	exports.BSON_DATA_REGEXP = BSON_DATA_REGEXP;
+	exports.BSON_DATA_STRING = BSON_DATA_STRING;
+	exports.BSON_DATA_SYMBOL = BSON_DATA_SYMBOL;
+	exports.BSON_DATA_TIMESTAMP = BSON_DATA_TIMESTAMP;
+	exports.BSON_DATA_UNDEFINED = BSON_DATA_UNDEFINED;
+	exports.BSON_INT32_MAX = BSON_INT32_MAX$1;
+	exports.BSON_INT32_MIN = BSON_INT32_MIN$1;
+	exports.BSON_INT64_MAX = BSON_INT64_MAX$1;
+	exports.BSON_INT64_MIN = BSON_INT64_MIN$1;
+	exports.Binary = Binary;
+	exports.Code = Code;
+	exports.DBRef = DBRef;
+	exports.Decimal128 = Decimal128;
+	exports.Double = Double;
+	exports.Int32 = Int32;
+	exports.Long = Long;
+	exports.LongWithoutOverridesClass = LongWithoutOverridesClass;
+	exports.MaxKey = MaxKey;
+	exports.MinKey = MinKey;
+	exports.ObjectID = ObjectId;
+	exports.ObjectId = ObjectId;
+	exports.Timestamp = Timestamp;
+	exports.UUID = UUID;
+	exports.calculateObjectSize = calculateObjectSize;
+	exports.default = BSON;
+	exports.deserialize = deserialize;
+	exports.deserializeStream = deserializeStream;
+	exports.serialize = serialize;
+	exports.serializeWithBufferAndIndex = serializeWithBufferAndIndex;
+	exports.setInternalBufferSize = setInternalBufferSize;
+
+	Object.defineProperty(exports, '__esModule', { value: true });
+
+	return exports;
+
+}({}));
+//# sourceMappingURL=bson.bundle.js.map
diff --git a/node_modules/bson/dist/bson.bundle.js.map b/node_modules/bson/dist/bson.bundle.js.map
new file mode 100644
index 000000000..ba233e1e1
--- /dev/null
+++ b/node_modules/bson/dist/bson.bundle.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"bson.bundle.js","sources":["../node_modules/base64-js/index.js","../node_modules/ieee754/index.js","../node_modules/buffer/index.js","../node_modules/tslib/tslib.es6.js","../src/error.ts","../src/utils/global.ts","../src/parser/utils.ts","../src/ensure_buffer.ts","../src/uuid_utils.ts","../src/constants.ts","../src/binary.ts","../src/code.ts","../src/db_ref.ts","../src/long.ts","../src/decimal128.ts","../src/double.ts","../src/int_32.ts","../src/max_key.ts","../src/min_key.ts","../src/objectid.ts","../src/regexp.ts","../src/symbol.ts","../src/timestamp.ts","../src/extended_json.ts","../src/map.ts","../src/parser/calculate_size.ts","../src/validate_utf8.ts","../src/parser/deserializer.ts","../src/parser/serializer.ts","../src/bson.ts"],"sourcesContent":["'use strict'\n\nexports.byteLength = byteLength\nexports.toByteArray = toByteArray\nexports.fromByteArray = fromByteArray\n\nvar lookup = []\nvar revLookup = []\nvar Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array\n\nvar code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'\nfor (var i = 0, len = code.length; i < len; ++i) {\n  lookup[i] = code[i]\n  revLookup[code.charCodeAt(i)] = i\n}\n\n// Support decoding URL-safe base64 strings, as Node.js does.\n// See: https://en.wikipedia.org/wiki/Base64#URL_applications\nrevLookup['-'.charCodeAt(0)] = 62\nrevLookup['_'.charCodeAt(0)] = 63\n\nfunction getLens (b64) {\n  var len = b64.length\n\n  if (len % 4 > 0) {\n    throw new Error('Invalid string. Length must be a multiple of 4')\n  }\n\n  // Trim off extra bytes after placeholder bytes are found\n  // See: https://github.com/beatgammit/base64-js/issues/42\n  var validLen = b64.indexOf('=')\n  if (validLen === -1) validLen = len\n\n  var placeHoldersLen = validLen === len\n    ? 0\n    : 4 - (validLen % 4)\n\n  return [validLen, placeHoldersLen]\n}\n\n// base64 is 4/3 + up to two characters of the original data\nfunction byteLength (b64) {\n  var lens = getLens(b64)\n  var validLen = lens[0]\n  var placeHoldersLen = lens[1]\n  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen\n}\n\nfunction _byteLength (b64, validLen, placeHoldersLen) {\n  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen\n}\n\nfunction toByteArray (b64) {\n  var tmp\n  var lens = getLens(b64)\n  var validLen = lens[0]\n  var placeHoldersLen = lens[1]\n\n  var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen))\n\n  var curByte = 0\n\n  // if there are placeholders, only get up to the last complete 4 chars\n  var len = placeHoldersLen > 0\n    ? validLen - 4\n    : validLen\n\n  var i\n  for (i = 0; i < len; i += 4) {\n    tmp =\n      (revLookup[b64.charCodeAt(i)] << 18) |\n      (revLookup[b64.charCodeAt(i + 1)] << 12) |\n      (revLookup[b64.charCodeAt(i + 2)] << 6) |\n      revLookup[b64.charCodeAt(i + 3)]\n    arr[curByte++] = (tmp >> 16) & 0xFF\n    arr[curByte++] = (tmp >> 8) & 0xFF\n    arr[curByte++] = tmp & 0xFF\n  }\n\n  if (placeHoldersLen === 2) {\n    tmp =\n      (revLookup[b64.charCodeAt(i)] << 2) |\n      (revLookup[b64.charCodeAt(i + 1)] >> 4)\n    arr[curByte++] = tmp & 0xFF\n  }\n\n  if (placeHoldersLen === 1) {\n    tmp =\n      (revLookup[b64.charCodeAt(i)] << 10) |\n      (revLookup[b64.charCodeAt(i + 1)] << 4) |\n      (revLookup[b64.charCodeAt(i + 2)] >> 2)\n    arr[curByte++] = (tmp >> 8) & 0xFF\n    arr[curByte++] = tmp & 0xFF\n  }\n\n  return arr\n}\n\nfunction tripletToBase64 (num) {\n  return lookup[num >> 18 & 0x3F] +\n    lookup[num >> 12 & 0x3F] +\n    lookup[num >> 6 & 0x3F] +\n    lookup[num & 0x3F]\n}\n\nfunction encodeChunk (uint8, start, end) {\n  var tmp\n  var output = []\n  for (var i = start; i < end; i += 3) {\n    tmp =\n      ((uint8[i] << 16) & 0xFF0000) +\n      ((uint8[i + 1] << 8) & 0xFF00) +\n      (uint8[i + 2] & 0xFF)\n    output.push(tripletToBase64(tmp))\n  }\n  return output.join('')\n}\n\nfunction fromByteArray (uint8) {\n  var tmp\n  var len = uint8.length\n  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes\n  var parts = []\n  var maxChunkLength = 16383 // must be multiple of 3\n\n  // go through the array every three bytes, we'll deal with trailing stuff later\n  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {\n    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))\n  }\n\n  // pad the end with zeros, but make sure to not forget the extra bytes\n  if (extraBytes === 1) {\n    tmp = uint8[len - 1]\n    parts.push(\n      lookup[tmp >> 2] +\n      lookup[(tmp << 4) & 0x3F] +\n      '=='\n    )\n  } else if (extraBytes === 2) {\n    tmp = (uint8[len - 2] << 8) + uint8[len - 1]\n    parts.push(\n      lookup[tmp >> 10] +\n      lookup[(tmp >> 4) & 0x3F] +\n      lookup[(tmp << 2) & 0x3F] +\n      '='\n    )\n  }\n\n  return parts.join('')\n}\n","/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */\nexports.read = function (buffer, offset, isLE, mLen, nBytes) {\n  var e, m\n  var eLen = (nBytes * 8) - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var nBits = -7\n  var i = isLE ? (nBytes - 1) : 0\n  var d = isLE ? -1 : 1\n  var s = buffer[offset + i]\n\n  i += d\n\n  e = s & ((1 << (-nBits)) - 1)\n  s >>= (-nBits)\n  nBits += eLen\n  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}\n\n  m = e & ((1 << (-nBits)) - 1)\n  e >>= (-nBits)\n  nBits += mLen\n  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}\n\n  if (e === 0) {\n    e = 1 - eBias\n  } else if (e === eMax) {\n    return m ? NaN : ((s ? -1 : 1) * Infinity)\n  } else {\n    m = m + Math.pow(2, mLen)\n    e = e - eBias\n  }\n  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)\n}\n\nexports.write = function (buffer, value, offset, isLE, mLen, nBytes) {\n  var e, m, c\n  var eLen = (nBytes * 8) - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)\n  var i = isLE ? 0 : (nBytes - 1)\n  var d = isLE ? 1 : -1\n  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0\n\n  value = Math.abs(value)\n\n  if (isNaN(value) || value === Infinity) {\n    m = isNaN(value) ? 1 : 0\n    e = eMax\n  } else {\n    e = Math.floor(Math.log(value) / Math.LN2)\n    if (value * (c = Math.pow(2, -e)) < 1) {\n      e--\n      c *= 2\n    }\n    if (e + eBias >= 1) {\n      value += rt / c\n    } else {\n      value += rt * Math.pow(2, 1 - eBias)\n    }\n    if (value * c >= 2) {\n      e++\n      c /= 2\n    }\n\n    if (e + eBias >= eMax) {\n      m = 0\n      e = eMax\n    } else if (e + eBias >= 1) {\n      m = ((value * c) - 1) * Math.pow(2, mLen)\n      e = e + eBias\n    } else {\n      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)\n      e = 0\n    }\n  }\n\n  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}\n\n  e = (e << mLen) | m\n  eLen += mLen\n  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}\n\n  buffer[offset + i - d] |= s * 128\n}\n","/*!\n * The buffer module from node.js, for the browser.\n *\n * @author   Feross Aboukhadijeh <https://feross.org>\n * @license  MIT\n */\n/* eslint-disable no-proto */\n\n'use strict'\n\nvar base64 = require('base64-js')\nvar ieee754 = require('ieee754')\nvar customInspectSymbol =\n  (typeof Symbol === 'function' && typeof Symbol['for'] === 'function') // eslint-disable-line dot-notation\n    ? Symbol['for']('nodejs.util.inspect.custom') // eslint-disable-line dot-notation\n    : null\n\nexports.Buffer = Buffer\nexports.SlowBuffer = SlowBuffer\nexports.INSPECT_MAX_BYTES = 50\n\nvar K_MAX_LENGTH = 0x7fffffff\nexports.kMaxLength = K_MAX_LENGTH\n\n/**\n * If `Buffer.TYPED_ARRAY_SUPPORT`:\n *   === true    Use Uint8Array implementation (fastest)\n *   === false   Print warning and recommend using `buffer` v4.x which has an Object\n *               implementation (most compatible, even IE6)\n *\n * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,\n * Opera 11.6+, iOS 4.2+.\n *\n * We report that the browser does not support typed arrays if the are not subclassable\n * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`\n * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support\n * for __proto__ and has a buggy typed array implementation.\n */\nBuffer.TYPED_ARRAY_SUPPORT = typedArraySupport()\n\nif (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&\n    typeof console.error === 'function') {\n  console.error(\n    'This browser lacks typed array (Uint8Array) support which is required by ' +\n    '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'\n  )\n}\n\nfunction typedArraySupport () {\n  // Can typed array instances can be augmented?\n  try {\n    var arr = new Uint8Array(1)\n    var proto = { foo: function () { return 42 } }\n    Object.setPrototypeOf(proto, Uint8Array.prototype)\n    Object.setPrototypeOf(arr, proto)\n    return arr.foo() === 42\n  } catch (e) {\n    return false\n  }\n}\n\nObject.defineProperty(Buffer.prototype, 'parent', {\n  enumerable: true,\n  get: function () {\n    if (!Buffer.isBuffer(this)) return undefined\n    return this.buffer\n  }\n})\n\nObject.defineProperty(Buffer.prototype, 'offset', {\n  enumerable: true,\n  get: function () {\n    if (!Buffer.isBuffer(this)) return undefined\n    return this.byteOffset\n  }\n})\n\nfunction createBuffer (length) {\n  if (length > K_MAX_LENGTH) {\n    throw new RangeError('The value \"' + length + '\" is invalid for option \"size\"')\n  }\n  // Return an augmented `Uint8Array` instance\n  var buf = new Uint8Array(length)\n  Object.setPrototypeOf(buf, Buffer.prototype)\n  return buf\n}\n\n/**\n * The Buffer constructor returns instances of `Uint8Array` that have their\n * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of\n * `Uint8Array`, so the returned instances will have all the node `Buffer` methods\n * and the `Uint8Array` methods. Square bracket notation works as expected -- it\n * returns a single octet.\n *\n * The `Uint8Array` prototype remains unmodified.\n */\n\nfunction Buffer (arg, encodingOrOffset, length) {\n  // Common case.\n  if (typeof arg === 'number') {\n    if (typeof encodingOrOffset === 'string') {\n      throw new TypeError(\n        'The \"string\" argument must be of type string. Received type number'\n      )\n    }\n    return allocUnsafe(arg)\n  }\n  return from(arg, encodingOrOffset, length)\n}\n\nBuffer.poolSize = 8192 // not used by this implementation\n\nfunction from (value, encodingOrOffset, length) {\n  if (typeof value === 'string') {\n    return fromString(value, encodingOrOffset)\n  }\n\n  if (ArrayBuffer.isView(value)) {\n    return fromArrayView(value)\n  }\n\n  if (value == null) {\n    throw new TypeError(\n      'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +\n      'or Array-like Object. Received type ' + (typeof value)\n    )\n  }\n\n  if (isInstance(value, ArrayBuffer) ||\n      (value && isInstance(value.buffer, ArrayBuffer))) {\n    return fromArrayBuffer(value, encodingOrOffset, length)\n  }\n\n  if (typeof SharedArrayBuffer !== 'undefined' &&\n      (isInstance(value, SharedArrayBuffer) ||\n      (value && isInstance(value.buffer, SharedArrayBuffer)))) {\n    return fromArrayBuffer(value, encodingOrOffset, length)\n  }\n\n  if (typeof value === 'number') {\n    throw new TypeError(\n      'The \"value\" argument must not be of type number. Received type number'\n    )\n  }\n\n  var valueOf = value.valueOf && value.valueOf()\n  if (valueOf != null && valueOf !== value) {\n    return Buffer.from(valueOf, encodingOrOffset, length)\n  }\n\n  var b = fromObject(value)\n  if (b) return b\n\n  if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null &&\n      typeof value[Symbol.toPrimitive] === 'function') {\n    return Buffer.from(\n      value[Symbol.toPrimitive]('string'), encodingOrOffset, length\n    )\n  }\n\n  throw new TypeError(\n    'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +\n    'or Array-like Object. Received type ' + (typeof value)\n  )\n}\n\n/**\n * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError\n * if value is a number.\n * Buffer.from(str[, encoding])\n * Buffer.from(array)\n * Buffer.from(buffer)\n * Buffer.from(arrayBuffer[, byteOffset[, length]])\n **/\nBuffer.from = function (value, encodingOrOffset, length) {\n  return from(value, encodingOrOffset, length)\n}\n\n// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:\n// https://github.com/feross/buffer/pull/148\nObject.setPrototypeOf(Buffer.prototype, Uint8Array.prototype)\nObject.setPrototypeOf(Buffer, Uint8Array)\n\nfunction assertSize (size) {\n  if (typeof size !== 'number') {\n    throw new TypeError('\"size\" argument must be of type number')\n  } else if (size < 0) {\n    throw new RangeError('The value \"' + size + '\" is invalid for option \"size\"')\n  }\n}\n\nfunction alloc (size, fill, encoding) {\n  assertSize(size)\n  if (size <= 0) {\n    return createBuffer(size)\n  }\n  if (fill !== undefined) {\n    // Only pay attention to encoding if it's a string. This\n    // prevents accidentally sending in a number that would\n    // be interpreted as a start offset.\n    return typeof encoding === 'string'\n      ? createBuffer(size).fill(fill, encoding)\n      : createBuffer(size).fill(fill)\n  }\n  return createBuffer(size)\n}\n\n/**\n * Creates a new filled Buffer instance.\n * alloc(size[, fill[, encoding]])\n **/\nBuffer.alloc = function (size, fill, encoding) {\n  return alloc(size, fill, encoding)\n}\n\nfunction allocUnsafe (size) {\n  assertSize(size)\n  return createBuffer(size < 0 ? 0 : checked(size) | 0)\n}\n\n/**\n * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.\n * */\nBuffer.allocUnsafe = function (size) {\n  return allocUnsafe(size)\n}\n/**\n * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.\n */\nBuffer.allocUnsafeSlow = function (size) {\n  return allocUnsafe(size)\n}\n\nfunction fromString (string, encoding) {\n  if (typeof encoding !== 'string' || encoding === '') {\n    encoding = 'utf8'\n  }\n\n  if (!Buffer.isEncoding(encoding)) {\n    throw new TypeError('Unknown encoding: ' + encoding)\n  }\n\n  var length = byteLength(string, encoding) | 0\n  var buf = createBuffer(length)\n\n  var actual = buf.write(string, encoding)\n\n  if (actual !== length) {\n    // Writing a hex string, for example, that contains invalid characters will\n    // cause everything after the first invalid character to be ignored. (e.g.\n    // 'abxxcd' will be treated as 'ab')\n    buf = buf.slice(0, actual)\n  }\n\n  return buf\n}\n\nfunction fromArrayLike (array) {\n  var length = array.length < 0 ? 0 : checked(array.length) | 0\n  var buf = createBuffer(length)\n  for (var i = 0; i < length; i += 1) {\n    buf[i] = array[i] & 255\n  }\n  return buf\n}\n\nfunction fromArrayView (arrayView) {\n  if (isInstance(arrayView, Uint8Array)) {\n    var copy = new Uint8Array(arrayView)\n    return fromArrayBuffer(copy.buffer, copy.byteOffset, copy.byteLength)\n  }\n  return fromArrayLike(arrayView)\n}\n\nfunction fromArrayBuffer (array, byteOffset, length) {\n  if (byteOffset < 0 || array.byteLength < byteOffset) {\n    throw new RangeError('\"offset\" is outside of buffer bounds')\n  }\n\n  if (array.byteLength < byteOffset + (length || 0)) {\n    throw new RangeError('\"length\" is outside of buffer bounds')\n  }\n\n  var buf\n  if (byteOffset === undefined && length === undefined) {\n    buf = new Uint8Array(array)\n  } else if (length === undefined) {\n    buf = new Uint8Array(array, byteOffset)\n  } else {\n    buf = new Uint8Array(array, byteOffset, length)\n  }\n\n  // Return an augmented `Uint8Array` instance\n  Object.setPrototypeOf(buf, Buffer.prototype)\n\n  return buf\n}\n\nfunction fromObject (obj) {\n  if (Buffer.isBuffer(obj)) {\n    var len = checked(obj.length) | 0\n    var buf = createBuffer(len)\n\n    if (buf.length === 0) {\n      return buf\n    }\n\n    obj.copy(buf, 0, 0, len)\n    return buf\n  }\n\n  if (obj.length !== undefined) {\n    if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {\n      return createBuffer(0)\n    }\n    return fromArrayLike(obj)\n  }\n\n  if (obj.type === 'Buffer' && Array.isArray(obj.data)) {\n    return fromArrayLike(obj.data)\n  }\n}\n\nfunction checked (length) {\n  // Note: cannot use `length < K_MAX_LENGTH` here because that fails when\n  // length is NaN (which is otherwise coerced to zero.)\n  if (length >= K_MAX_LENGTH) {\n    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +\n                         'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')\n  }\n  return length | 0\n}\n\nfunction SlowBuffer (length) {\n  if (+length != length) { // eslint-disable-line eqeqeq\n    length = 0\n  }\n  return Buffer.alloc(+length)\n}\n\nBuffer.isBuffer = function isBuffer (b) {\n  return b != null && b._isBuffer === true &&\n    b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false\n}\n\nBuffer.compare = function compare (a, b) {\n  if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength)\n  if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength)\n  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {\n    throw new TypeError(\n      'The \"buf1\", \"buf2\" arguments must be one of type Buffer or Uint8Array'\n    )\n  }\n\n  if (a === b) return 0\n\n  var x = a.length\n  var y = b.length\n\n  for (var i = 0, len = Math.min(x, y); i < len; ++i) {\n    if (a[i] !== b[i]) {\n      x = a[i]\n      y = b[i]\n      break\n    }\n  }\n\n  if (x < y) return -1\n  if (y < x) return 1\n  return 0\n}\n\nBuffer.isEncoding = function isEncoding (encoding) {\n  switch (String(encoding).toLowerCase()) {\n    case 'hex':\n    case 'utf8':\n    case 'utf-8':\n    case 'ascii':\n    case 'latin1':\n    case 'binary':\n    case 'base64':\n    case 'ucs2':\n    case 'ucs-2':\n    case 'utf16le':\n    case 'utf-16le':\n      return true\n    default:\n      return false\n  }\n}\n\nBuffer.concat = function concat (list, length) {\n  if (!Array.isArray(list)) {\n    throw new TypeError('\"list\" argument must be an Array of Buffers')\n  }\n\n  if (list.length === 0) {\n    return Buffer.alloc(0)\n  }\n\n  var i\n  if (length === undefined) {\n    length = 0\n    for (i = 0; i < list.length; ++i) {\n      length += list[i].length\n    }\n  }\n\n  var buffer = Buffer.allocUnsafe(length)\n  var pos = 0\n  for (i = 0; i < list.length; ++i) {\n    var buf = list[i]\n    if (isInstance(buf, Uint8Array)) {\n      if (pos + buf.length > buffer.length) {\n        Buffer.from(buf).copy(buffer, pos)\n      } else {\n        Uint8Array.prototype.set.call(\n          buffer,\n          buf,\n          pos\n        )\n      }\n    } else if (!Buffer.isBuffer(buf)) {\n      throw new TypeError('\"list\" argument must be an Array of Buffers')\n    } else {\n      buf.copy(buffer, pos)\n    }\n    pos += buf.length\n  }\n  return buffer\n}\n\nfunction byteLength (string, encoding) {\n  if (Buffer.isBuffer(string)) {\n    return string.length\n  }\n  if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {\n    return string.byteLength\n  }\n  if (typeof string !== 'string') {\n    throw new TypeError(\n      'The \"string\" argument must be one of type string, Buffer, or ArrayBuffer. ' +\n      'Received type ' + typeof string\n    )\n  }\n\n  var len = string.length\n  var mustMatch = (arguments.length > 2 && arguments[2] === true)\n  if (!mustMatch && len === 0) return 0\n\n  // Use a for loop to avoid recursion\n  var loweredCase = false\n  for (;;) {\n    switch (encoding) {\n      case 'ascii':\n      case 'latin1':\n      case 'binary':\n        return len\n      case 'utf8':\n      case 'utf-8':\n        return utf8ToBytes(string).length\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return len * 2\n      case 'hex':\n        return len >>> 1\n      case 'base64':\n        return base64ToBytes(string).length\n      default:\n        if (loweredCase) {\n          return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8\n        }\n        encoding = ('' + encoding).toLowerCase()\n        loweredCase = true\n    }\n  }\n}\nBuffer.byteLength = byteLength\n\nfunction slowToString (encoding, start, end) {\n  var loweredCase = false\n\n  // No need to verify that \"this.length <= MAX_UINT32\" since it's a read-only\n  // property of a typed array.\n\n  // This behaves neither like String nor Uint8Array in that we set start/end\n  // to their upper/lower bounds if the value passed is out of range.\n  // undefined is handled specially as per ECMA-262 6th Edition,\n  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.\n  if (start === undefined || start < 0) {\n    start = 0\n  }\n  // Return early if start > this.length. Done here to prevent potential uint32\n  // coercion fail below.\n  if (start > this.length) {\n    return ''\n  }\n\n  if (end === undefined || end > this.length) {\n    end = this.length\n  }\n\n  if (end <= 0) {\n    return ''\n  }\n\n  // Force coercion to uint32. This will also coerce falsey/NaN values to 0.\n  end >>>= 0\n  start >>>= 0\n\n  if (end <= start) {\n    return ''\n  }\n\n  if (!encoding) encoding = 'utf8'\n\n  while (true) {\n    switch (encoding) {\n      case 'hex':\n        return hexSlice(this, start, end)\n\n      case 'utf8':\n      case 'utf-8':\n        return utf8Slice(this, start, end)\n\n      case 'ascii':\n        return asciiSlice(this, start, end)\n\n      case 'latin1':\n      case 'binary':\n        return latin1Slice(this, start, end)\n\n      case 'base64':\n        return base64Slice(this, start, end)\n\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return utf16leSlice(this, start, end)\n\n      default:\n        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n        encoding = (encoding + '').toLowerCase()\n        loweredCase = true\n    }\n  }\n}\n\n// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)\n// to detect a Buffer instance. It's not possible to use `instanceof Buffer`\n// reliably in a browserify context because there could be multiple different\n// copies of the 'buffer' package in use. This method works even for Buffer\n// instances that were created from another copy of the `buffer` package.\n// See: https://github.com/feross/buffer/issues/154\nBuffer.prototype._isBuffer = true\n\nfunction swap (b, n, m) {\n  var i = b[n]\n  b[n] = b[m]\n  b[m] = i\n}\n\nBuffer.prototype.swap16 = function swap16 () {\n  var len = this.length\n  if (len % 2 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 16-bits')\n  }\n  for (var i = 0; i < len; i += 2) {\n    swap(this, i, i + 1)\n  }\n  return this\n}\n\nBuffer.prototype.swap32 = function swap32 () {\n  var len = this.length\n  if (len % 4 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 32-bits')\n  }\n  for (var i = 0; i < len; i += 4) {\n    swap(this, i, i + 3)\n    swap(this, i + 1, i + 2)\n  }\n  return this\n}\n\nBuffer.prototype.swap64 = function swap64 () {\n  var len = this.length\n  if (len % 8 !== 0) {\n    throw new RangeError('Buffer size must be a multiple of 64-bits')\n  }\n  for (var i = 0; i < len; i += 8) {\n    swap(this, i, i + 7)\n    swap(this, i + 1, i + 6)\n    swap(this, i + 2, i + 5)\n    swap(this, i + 3, i + 4)\n  }\n  return this\n}\n\nBuffer.prototype.toString = function toString () {\n  var length = this.length\n  if (length === 0) return ''\n  if (arguments.length === 0) return utf8Slice(this, 0, length)\n  return slowToString.apply(this, arguments)\n}\n\nBuffer.prototype.toLocaleString = Buffer.prototype.toString\n\nBuffer.prototype.equals = function equals (b) {\n  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')\n  if (this === b) return true\n  return Buffer.compare(this, b) === 0\n}\n\nBuffer.prototype.inspect = function inspect () {\n  var str = ''\n  var max = exports.INSPECT_MAX_BYTES\n  str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim()\n  if (this.length > max) str += ' ... '\n  return '<Buffer ' + str + '>'\n}\nif (customInspectSymbol) {\n  Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect\n}\n\nBuffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {\n  if (isInstance(target, Uint8Array)) {\n    target = Buffer.from(target, target.offset, target.byteLength)\n  }\n  if (!Buffer.isBuffer(target)) {\n    throw new TypeError(\n      'The \"target\" argument must be one of type Buffer or Uint8Array. ' +\n      'Received type ' + (typeof target)\n    )\n  }\n\n  if (start === undefined) {\n    start = 0\n  }\n  if (end === undefined) {\n    end = target ? target.length : 0\n  }\n  if (thisStart === undefined) {\n    thisStart = 0\n  }\n  if (thisEnd === undefined) {\n    thisEnd = this.length\n  }\n\n  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {\n    throw new RangeError('out of range index')\n  }\n\n  if (thisStart >= thisEnd && start >= end) {\n    return 0\n  }\n  if (thisStart >= thisEnd) {\n    return -1\n  }\n  if (start >= end) {\n    return 1\n  }\n\n  start >>>= 0\n  end >>>= 0\n  thisStart >>>= 0\n  thisEnd >>>= 0\n\n  if (this === target) return 0\n\n  var x = thisEnd - thisStart\n  var y = end - start\n  var len = Math.min(x, y)\n\n  var thisCopy = this.slice(thisStart, thisEnd)\n  var targetCopy = target.slice(start, end)\n\n  for (var i = 0; i < len; ++i) {\n    if (thisCopy[i] !== targetCopy[i]) {\n      x = thisCopy[i]\n      y = targetCopy[i]\n      break\n    }\n  }\n\n  if (x < y) return -1\n  if (y < x) return 1\n  return 0\n}\n\n// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,\n// OR the last index of `val` in `buffer` at offset <= `byteOffset`.\n//\n// Arguments:\n// - buffer - a Buffer to search\n// - val - a string, Buffer, or number\n// - byteOffset - an index into `buffer`; will be clamped to an int32\n// - encoding - an optional encoding, relevant is val is a string\n// - dir - true for indexOf, false for lastIndexOf\nfunction bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {\n  // Empty buffer means no match\n  if (buffer.length === 0) return -1\n\n  // Normalize byteOffset\n  if (typeof byteOffset === 'string') {\n    encoding = byteOffset\n    byteOffset = 0\n  } else if (byteOffset > 0x7fffffff) {\n    byteOffset = 0x7fffffff\n  } else if (byteOffset < -0x80000000) {\n    byteOffset = -0x80000000\n  }\n  byteOffset = +byteOffset // Coerce to Number.\n  if (numberIsNaN(byteOffset)) {\n    // byteOffset: it it's undefined, null, NaN, \"foo\", etc, search whole buffer\n    byteOffset = dir ? 0 : (buffer.length - 1)\n  }\n\n  // Normalize byteOffset: negative offsets start from the end of the buffer\n  if (byteOffset < 0) byteOffset = buffer.length + byteOffset\n  if (byteOffset >= buffer.length) {\n    if (dir) return -1\n    else byteOffset = buffer.length - 1\n  } else if (byteOffset < 0) {\n    if (dir) byteOffset = 0\n    else return -1\n  }\n\n  // Normalize val\n  if (typeof val === 'string') {\n    val = Buffer.from(val, encoding)\n  }\n\n  // Finally, search either indexOf (if dir is true) or lastIndexOf\n  if (Buffer.isBuffer(val)) {\n    // Special case: looking for empty string/buffer always fails\n    if (val.length === 0) {\n      return -1\n    }\n    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)\n  } else if (typeof val === 'number') {\n    val = val & 0xFF // Search for a byte value [0-255]\n    if (typeof Uint8Array.prototype.indexOf === 'function') {\n      if (dir) {\n        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)\n      } else {\n        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)\n      }\n    }\n    return arrayIndexOf(buffer, [val], byteOffset, encoding, dir)\n  }\n\n  throw new TypeError('val must be string, number or Buffer')\n}\n\nfunction arrayIndexOf (arr, val, byteOffset, encoding, dir) {\n  var indexSize = 1\n  var arrLength = arr.length\n  var valLength = val.length\n\n  if (encoding !== undefined) {\n    encoding = String(encoding).toLowerCase()\n    if (encoding === 'ucs2' || encoding === 'ucs-2' ||\n        encoding === 'utf16le' || encoding === 'utf-16le') {\n      if (arr.length < 2 || val.length < 2) {\n        return -1\n      }\n      indexSize = 2\n      arrLength /= 2\n      valLength /= 2\n      byteOffset /= 2\n    }\n  }\n\n  function read (buf, i) {\n    if (indexSize === 1) {\n      return buf[i]\n    } else {\n      return buf.readUInt16BE(i * indexSize)\n    }\n  }\n\n  var i\n  if (dir) {\n    var foundIndex = -1\n    for (i = byteOffset; i < arrLength; i++) {\n      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {\n        if (foundIndex === -1) foundIndex = i\n        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize\n      } else {\n        if (foundIndex !== -1) i -= i - foundIndex\n        foundIndex = -1\n      }\n    }\n  } else {\n    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength\n    for (i = byteOffset; i >= 0; i--) {\n      var found = true\n      for (var j = 0; j < valLength; j++) {\n        if (read(arr, i + j) !== read(val, j)) {\n          found = false\n          break\n        }\n      }\n      if (found) return i\n    }\n  }\n\n  return -1\n}\n\nBuffer.prototype.includes = function includes (val, byteOffset, encoding) {\n  return this.indexOf(val, byteOffset, encoding) !== -1\n}\n\nBuffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {\n  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)\n}\n\nBuffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {\n  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)\n}\n\nfunction hexWrite (buf, string, offset, length) {\n  offset = Number(offset) || 0\n  var remaining = buf.length - offset\n  if (!length) {\n    length = remaining\n  } else {\n    length = Number(length)\n    if (length > remaining) {\n      length = remaining\n    }\n  }\n\n  var strLen = string.length\n\n  if (length > strLen / 2) {\n    length = strLen / 2\n  }\n  for (var i = 0; i < length; ++i) {\n    var parsed = parseInt(string.substr(i * 2, 2), 16)\n    if (numberIsNaN(parsed)) return i\n    buf[offset + i] = parsed\n  }\n  return i\n}\n\nfunction utf8Write (buf, string, offset, length) {\n  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nfunction asciiWrite (buf, string, offset, length) {\n  return blitBuffer(asciiToBytes(string), buf, offset, length)\n}\n\nfunction base64Write (buf, string, offset, length) {\n  return blitBuffer(base64ToBytes(string), buf, offset, length)\n}\n\nfunction ucs2Write (buf, string, offset, length) {\n  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)\n}\n\nBuffer.prototype.write = function write (string, offset, length, encoding) {\n  // Buffer#write(string)\n  if (offset === undefined) {\n    encoding = 'utf8'\n    length = this.length\n    offset = 0\n  // Buffer#write(string, encoding)\n  } else if (length === undefined && typeof offset === 'string') {\n    encoding = offset\n    length = this.length\n    offset = 0\n  // Buffer#write(string, offset[, length][, encoding])\n  } else if (isFinite(offset)) {\n    offset = offset >>> 0\n    if (isFinite(length)) {\n      length = length >>> 0\n      if (encoding === undefined) encoding = 'utf8'\n    } else {\n      encoding = length\n      length = undefined\n    }\n  } else {\n    throw new Error(\n      'Buffer.write(string, encoding, offset[, length]) is no longer supported'\n    )\n  }\n\n  var remaining = this.length - offset\n  if (length === undefined || length > remaining) length = remaining\n\n  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {\n    throw new RangeError('Attempt to write outside buffer bounds')\n  }\n\n  if (!encoding) encoding = 'utf8'\n\n  var loweredCase = false\n  for (;;) {\n    switch (encoding) {\n      case 'hex':\n        return hexWrite(this, string, offset, length)\n\n      case 'utf8':\n      case 'utf-8':\n        return utf8Write(this, string, offset, length)\n\n      case 'ascii':\n      case 'latin1':\n      case 'binary':\n        return asciiWrite(this, string, offset, length)\n\n      case 'base64':\n        // Warning: maxLength not taken into account in base64Write\n        return base64Write(this, string, offset, length)\n\n      case 'ucs2':\n      case 'ucs-2':\n      case 'utf16le':\n      case 'utf-16le':\n        return ucs2Write(this, string, offset, length)\n\n      default:\n        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)\n        encoding = ('' + encoding).toLowerCase()\n        loweredCase = true\n    }\n  }\n}\n\nBuffer.prototype.toJSON = function toJSON () {\n  return {\n    type: 'Buffer',\n    data: Array.prototype.slice.call(this._arr || this, 0)\n  }\n}\n\nfunction base64Slice (buf, start, end) {\n  if (start === 0 && end === buf.length) {\n    return base64.fromByteArray(buf)\n  } else {\n    return base64.fromByteArray(buf.slice(start, end))\n  }\n}\n\nfunction utf8Slice (buf, start, end) {\n  end = Math.min(buf.length, end)\n  var res = []\n\n  var i = start\n  while (i < end) {\n    var firstByte = buf[i]\n    var codePoint = null\n    var bytesPerSequence = (firstByte > 0xEF)\n      ? 4\n      : (firstByte > 0xDF)\n          ? 3\n          : (firstByte > 0xBF)\n              ? 2\n              : 1\n\n    if (i + bytesPerSequence <= end) {\n      var secondByte, thirdByte, fourthByte, tempCodePoint\n\n      switch (bytesPerSequence) {\n        case 1:\n          if (firstByte < 0x80) {\n            codePoint = firstByte\n          }\n          break\n        case 2:\n          secondByte = buf[i + 1]\n          if ((secondByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)\n            if (tempCodePoint > 0x7F) {\n              codePoint = tempCodePoint\n            }\n          }\n          break\n        case 3:\n          secondByte = buf[i + 1]\n          thirdByte = buf[i + 2]\n          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)\n            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {\n              codePoint = tempCodePoint\n            }\n          }\n          break\n        case 4:\n          secondByte = buf[i + 1]\n          thirdByte = buf[i + 2]\n          fourthByte = buf[i + 3]\n          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {\n            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)\n            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {\n              codePoint = tempCodePoint\n            }\n          }\n      }\n    }\n\n    if (codePoint === null) {\n      // we did not generate a valid codePoint so insert a\n      // replacement char (U+FFFD) and advance only 1 byte\n      codePoint = 0xFFFD\n      bytesPerSequence = 1\n    } else if (codePoint > 0xFFFF) {\n      // encode to utf16 (surrogate pair dance)\n      codePoint -= 0x10000\n      res.push(codePoint >>> 10 & 0x3FF | 0xD800)\n      codePoint = 0xDC00 | codePoint & 0x3FF\n    }\n\n    res.push(codePoint)\n    i += bytesPerSequence\n  }\n\n  return decodeCodePointsArray(res)\n}\n\n// Based on http://stackoverflow.com/a/22747272/680742, the browser with\n// the lowest limit is Chrome, with 0x10000 args.\n// We go 1 magnitude less, for safety\nvar MAX_ARGUMENTS_LENGTH = 0x1000\n\nfunction decodeCodePointsArray (codePoints) {\n  var len = codePoints.length\n  if (len <= MAX_ARGUMENTS_LENGTH) {\n    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()\n  }\n\n  // Decode in chunks to avoid \"call stack size exceeded\".\n  var res = ''\n  var i = 0\n  while (i < len) {\n    res += String.fromCharCode.apply(\n      String,\n      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)\n    )\n  }\n  return res\n}\n\nfunction asciiSlice (buf, start, end) {\n  var ret = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; ++i) {\n    ret += String.fromCharCode(buf[i] & 0x7F)\n  }\n  return ret\n}\n\nfunction latin1Slice (buf, start, end) {\n  var ret = ''\n  end = Math.min(buf.length, end)\n\n  for (var i = start; i < end; ++i) {\n    ret += String.fromCharCode(buf[i])\n  }\n  return ret\n}\n\nfunction hexSlice (buf, start, end) {\n  var len = buf.length\n\n  if (!start || start < 0) start = 0\n  if (!end || end < 0 || end > len) end = len\n\n  var out = ''\n  for (var i = start; i < end; ++i) {\n    out += hexSliceLookupTable[buf[i]]\n  }\n  return out\n}\n\nfunction utf16leSlice (buf, start, end) {\n  var bytes = buf.slice(start, end)\n  var res = ''\n  // If bytes.length is odd, the last 8 bits must be ignored (same as node.js)\n  for (var i = 0; i < bytes.length - 1; i += 2) {\n    res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))\n  }\n  return res\n}\n\nBuffer.prototype.slice = function slice (start, end) {\n  var len = this.length\n  start = ~~start\n  end = end === undefined ? len : ~~end\n\n  if (start < 0) {\n    start += len\n    if (start < 0) start = 0\n  } else if (start > len) {\n    start = len\n  }\n\n  if (end < 0) {\n    end += len\n    if (end < 0) end = 0\n  } else if (end > len) {\n    end = len\n  }\n\n  if (end < start) end = start\n\n  var newBuf = this.subarray(start, end)\n  // Return an augmented `Uint8Array` instance\n  Object.setPrototypeOf(newBuf, Buffer.prototype)\n\n  return newBuf\n}\n\n/*\n * Need to make sure that buffer isn't trying to write out of bounds.\n */\nfunction checkOffset (offset, ext, length) {\n  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')\n  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')\n}\n\nBuffer.prototype.readUintLE =\nBuffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var val = this[offset]\n  var mul = 1\n  var i = 0\n  while (++i < byteLength && (mul *= 0x100)) {\n    val += this[offset + i] * mul\n  }\n\n  return val\n}\n\nBuffer.prototype.readUintBE =\nBuffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) {\n    checkOffset(offset, byteLength, this.length)\n  }\n\n  var val = this[offset + --byteLength]\n  var mul = 1\n  while (byteLength > 0 && (mul *= 0x100)) {\n    val += this[offset + --byteLength] * mul\n  }\n\n  return val\n}\n\nBuffer.prototype.readUint8 =\nBuffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 1, this.length)\n  return this[offset]\n}\n\nBuffer.prototype.readUint16LE =\nBuffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  return this[offset] | (this[offset + 1] << 8)\n}\n\nBuffer.prototype.readUint16BE =\nBuffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  return (this[offset] << 8) | this[offset + 1]\n}\n\nBuffer.prototype.readUint32LE =\nBuffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return ((this[offset]) |\n      (this[offset + 1] << 8) |\n      (this[offset + 2] << 16)) +\n      (this[offset + 3] * 0x1000000)\n}\n\nBuffer.prototype.readUint32BE =\nBuffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset] * 0x1000000) +\n    ((this[offset + 1] << 16) |\n    (this[offset + 2] << 8) |\n    this[offset + 3])\n}\n\nBuffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var val = this[offset]\n  var mul = 1\n  var i = 0\n  while (++i < byteLength && (mul *= 0x100)) {\n    val += this[offset + i] * mul\n  }\n  mul *= 0x80\n\n  if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n  return val\n}\n\nBuffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) checkOffset(offset, byteLength, this.length)\n\n  var i = byteLength\n  var mul = 1\n  var val = this[offset + --i]\n  while (i > 0 && (mul *= 0x100)) {\n    val += this[offset + --i] * mul\n  }\n  mul *= 0x80\n\n  if (val >= mul) val -= Math.pow(2, 8 * byteLength)\n\n  return val\n}\n\nBuffer.prototype.readInt8 = function readInt8 (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 1, this.length)\n  if (!(this[offset] & 0x80)) return (this[offset])\n  return ((0xff - this[offset] + 1) * -1)\n}\n\nBuffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  var val = this[offset] | (this[offset + 1] << 8)\n  return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 2, this.length)\n  var val = this[offset + 1] | (this[offset] << 8)\n  return (val & 0x8000) ? val | 0xFFFF0000 : val\n}\n\nBuffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset]) |\n    (this[offset + 1] << 8) |\n    (this[offset + 2] << 16) |\n    (this[offset + 3] << 24)\n}\n\nBuffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n\n  return (this[offset] << 24) |\n    (this[offset + 1] << 16) |\n    (this[offset + 2] << 8) |\n    (this[offset + 3])\n}\n\nBuffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n  return ieee754.read(this, offset, true, 23, 4)\n}\n\nBuffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 4, this.length)\n  return ieee754.read(this, offset, false, 23, 4)\n}\n\nBuffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 8, this.length)\n  return ieee754.read(this, offset, true, 52, 8)\n}\n\nBuffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {\n  offset = offset >>> 0\n  if (!noAssert) checkOffset(offset, 8, this.length)\n  return ieee754.read(this, offset, false, 52, 8)\n}\n\nfunction checkInt (buf, value, offset, ext, max, min) {\n  if (!Buffer.isBuffer(buf)) throw new TypeError('\"buffer\" argument must be a Buffer instance')\n  if (value > max || value < min) throw new RangeError('\"value\" argument is out of bounds')\n  if (offset + ext > buf.length) throw new RangeError('Index out of range')\n}\n\nBuffer.prototype.writeUintLE =\nBuffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) {\n    var maxBytes = Math.pow(2, 8 * byteLength) - 1\n    checkInt(this, value, offset, byteLength, maxBytes, 0)\n  }\n\n  var mul = 1\n  var i = 0\n  this[offset] = value & 0xFF\n  while (++i < byteLength && (mul *= 0x100)) {\n    this[offset + i] = (value / mul) & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeUintBE =\nBuffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  byteLength = byteLength >>> 0\n  if (!noAssert) {\n    var maxBytes = Math.pow(2, 8 * byteLength) - 1\n    checkInt(this, value, offset, byteLength, maxBytes, 0)\n  }\n\n  var i = byteLength - 1\n  var mul = 1\n  this[offset + i] = value & 0xFF\n  while (--i >= 0 && (mul *= 0x100)) {\n    this[offset + i] = (value / mul) & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeUint8 =\nBuffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)\n  this[offset] = (value & 0xff)\n  return offset + 1\n}\n\nBuffer.prototype.writeUint16LE =\nBuffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n  this[offset] = (value & 0xff)\n  this[offset + 1] = (value >>> 8)\n  return offset + 2\n}\n\nBuffer.prototype.writeUint16BE =\nBuffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)\n  this[offset] = (value >>> 8)\n  this[offset + 1] = (value & 0xff)\n  return offset + 2\n}\n\nBuffer.prototype.writeUint32LE =\nBuffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n  this[offset + 3] = (value >>> 24)\n  this[offset + 2] = (value >>> 16)\n  this[offset + 1] = (value >>> 8)\n  this[offset] = (value & 0xff)\n  return offset + 4\n}\n\nBuffer.prototype.writeUint32BE =\nBuffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)\n  this[offset] = (value >>> 24)\n  this[offset + 1] = (value >>> 16)\n  this[offset + 2] = (value >>> 8)\n  this[offset + 3] = (value & 0xff)\n  return offset + 4\n}\n\nBuffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) {\n    var limit = Math.pow(2, (8 * byteLength) - 1)\n\n    checkInt(this, value, offset, byteLength, limit - 1, -limit)\n  }\n\n  var i = 0\n  var mul = 1\n  var sub = 0\n  this[offset] = value & 0xFF\n  while (++i < byteLength && (mul *= 0x100)) {\n    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {\n      sub = 1\n    }\n    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) {\n    var limit = Math.pow(2, (8 * byteLength) - 1)\n\n    checkInt(this, value, offset, byteLength, limit - 1, -limit)\n  }\n\n  var i = byteLength - 1\n  var mul = 1\n  var sub = 0\n  this[offset + i] = value & 0xFF\n  while (--i >= 0 && (mul *= 0x100)) {\n    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {\n      sub = 1\n    }\n    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF\n  }\n\n  return offset + byteLength\n}\n\nBuffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)\n  if (value < 0) value = 0xff + value + 1\n  this[offset] = (value & 0xff)\n  return offset + 1\n}\n\nBuffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n  this[offset] = (value & 0xff)\n  this[offset + 1] = (value >>> 8)\n  return offset + 2\n}\n\nBuffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)\n  this[offset] = (value >>> 8)\n  this[offset + 1] = (value & 0xff)\n  return offset + 2\n}\n\nBuffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n  this[offset] = (value & 0xff)\n  this[offset + 1] = (value >>> 8)\n  this[offset + 2] = (value >>> 16)\n  this[offset + 3] = (value >>> 24)\n  return offset + 4\n}\n\nBuffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)\n  if (value < 0) value = 0xffffffff + value + 1\n  this[offset] = (value >>> 24)\n  this[offset + 1] = (value >>> 16)\n  this[offset + 2] = (value >>> 8)\n  this[offset + 3] = (value & 0xff)\n  return offset + 4\n}\n\nfunction checkIEEE754 (buf, value, offset, ext, max, min) {\n  if (offset + ext > buf.length) throw new RangeError('Index out of range')\n  if (offset < 0) throw new RangeError('Index out of range')\n}\n\nfunction writeFloat (buf, value, offset, littleEndian, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) {\n    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)\n  }\n  ieee754.write(buf, value, offset, littleEndian, 23, 4)\n  return offset + 4\n}\n\nBuffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {\n  return writeFloat(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {\n  return writeFloat(this, value, offset, false, noAssert)\n}\n\nfunction writeDouble (buf, value, offset, littleEndian, noAssert) {\n  value = +value\n  offset = offset >>> 0\n  if (!noAssert) {\n    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)\n  }\n  ieee754.write(buf, value, offset, littleEndian, 52, 8)\n  return offset + 8\n}\n\nBuffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {\n  return writeDouble(this, value, offset, true, noAssert)\n}\n\nBuffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {\n  return writeDouble(this, value, offset, false, noAssert)\n}\n\n// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)\nBuffer.prototype.copy = function copy (target, targetStart, start, end) {\n  if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer')\n  if (!start) start = 0\n  if (!end && end !== 0) end = this.length\n  if (targetStart >= target.length) targetStart = target.length\n  if (!targetStart) targetStart = 0\n  if (end > 0 && end < start) end = start\n\n  // Copy 0 bytes; we're done\n  if (end === start) return 0\n  if (target.length === 0 || this.length === 0) return 0\n\n  // Fatal error conditions\n  if (targetStart < 0) {\n    throw new RangeError('targetStart out of bounds')\n  }\n  if (start < 0 || start >= this.length) throw new RangeError('Index out of range')\n  if (end < 0) throw new RangeError('sourceEnd out of bounds')\n\n  // Are we oob?\n  if (end > this.length) end = this.length\n  if (target.length - targetStart < end - start) {\n    end = target.length - targetStart + start\n  }\n\n  var len = end - start\n\n  if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {\n    // Use built-in when available, missing from IE11\n    this.copyWithin(targetStart, start, end)\n  } else {\n    Uint8Array.prototype.set.call(\n      target,\n      this.subarray(start, end),\n      targetStart\n    )\n  }\n\n  return len\n}\n\n// Usage:\n//    buffer.fill(number[, offset[, end]])\n//    buffer.fill(buffer[, offset[, end]])\n//    buffer.fill(string[, offset[, end]][, encoding])\nBuffer.prototype.fill = function fill (val, start, end, encoding) {\n  // Handle string cases:\n  if (typeof val === 'string') {\n    if (typeof start === 'string') {\n      encoding = start\n      start = 0\n      end = this.length\n    } else if (typeof end === 'string') {\n      encoding = end\n      end = this.length\n    }\n    if (encoding !== undefined && typeof encoding !== 'string') {\n      throw new TypeError('encoding must be a string')\n    }\n    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {\n      throw new TypeError('Unknown encoding: ' + encoding)\n    }\n    if (val.length === 1) {\n      var code = val.charCodeAt(0)\n      if ((encoding === 'utf8' && code < 128) ||\n          encoding === 'latin1') {\n        // Fast path: If `val` fits into a single byte, use that numeric value.\n        val = code\n      }\n    }\n  } else if (typeof val === 'number') {\n    val = val & 255\n  } else if (typeof val === 'boolean') {\n    val = Number(val)\n  }\n\n  // Invalid ranges are not set to a default, so can range check early.\n  if (start < 0 || this.length < 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\ No newline at end of file
diff --git a/node_modules/bson/dist/bson.esm.js b/node_modules/bson/dist/bson.esm.js
new file mode 100644
index 000000000..d22b41101
--- /dev/null
+++ b/node_modules/bson/dist/bson.esm.js
@@ -0,0 +1,5436 @@
+import { Buffer } from 'buffer';
+
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation.
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+***************************************************************************** */
+
+/* global Reflect, Promise */
+var _extendStatics = function extendStatics(d, b) {
+  _extendStatics = Object.setPrototypeOf || {
+    __proto__: []
+  } instanceof Array && function (d, b) {
+    d.__proto__ = b;
+  } || function (d, b) {
+    for (var p in b) {
+      if (b.hasOwnProperty(p)) d[p] = b[p];
+    }
+  };
+
+  return _extendStatics(d, b);
+};
+
+function __extends(d, b) {
+  _extendStatics(d, b);
+
+  function __() {
+    this.constructor = d;
+  }
+
+  d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+}
+
+var _assign = function __assign() {
+  _assign = Object.assign || function __assign(t) {
+    for (var s, i = 1, n = arguments.length; i < n; i++) {
+      s = arguments[i];
+
+      for (var p in s) {
+        if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
+      }
+    }
+
+    return t;
+  };
+
+  return _assign.apply(this, arguments);
+};
+
+/** @public */
+var BSONError = /** @class */ (function (_super) {
+    __extends(BSONError, _super);
+    function BSONError(message) {
+        var _this = _super.call(this, message) || this;
+        Object.setPrototypeOf(_this, BSONError.prototype);
+        return _this;
+    }
+    Object.defineProperty(BSONError.prototype, "name", {
+        get: function () {
+            return 'BSONError';
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return BSONError;
+}(Error));
+/** @public */
+var BSONTypeError = /** @class */ (function (_super) {
+    __extends(BSONTypeError, _super);
+    function BSONTypeError(message) {
+        var _this = _super.call(this, message) || this;
+        Object.setPrototypeOf(_this, BSONTypeError.prototype);
+        return _this;
+    }
+    Object.defineProperty(BSONTypeError.prototype, "name", {
+        get: function () {
+            return 'BSONTypeError';
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return BSONTypeError;
+}(TypeError));
+
+function checkForMath(potentialGlobal) {
+    // eslint-disable-next-line eqeqeq
+    return potentialGlobal && potentialGlobal.Math == Math && potentialGlobal;
+}
+// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
+function getGlobal() {
+    return (checkForMath(typeof globalThis === 'object' && globalThis) ||
+        checkForMath(typeof window === 'object' && window) ||
+        checkForMath(typeof self === 'object' && self) ||
+        checkForMath(typeof global === 'object' && global) ||
+        // eslint-disable-next-line @typescript-eslint/no-implied-eval
+        Function('return this')());
+}
+
+/**
+ * Normalizes our expected stringified form of a function across versions of node
+ * @param fn - The function to stringify
+ */
+function normalizedFunctionString(fn) {
+    return fn.toString().replace('function(', 'function (');
+}
+function isReactNative() {
+    var g = getGlobal();
+    return typeof g.navigator === 'object' && g.navigator.product === 'ReactNative';
+}
+var insecureRandomBytes = function insecureRandomBytes(size) {
+    var insecureWarning = isReactNative()
+        ? 'BSON: For React Native please polyfill crypto.getRandomValues, e.g. using: https://www.npmjs.com/package/react-native-get-random-values.'
+        : 'BSON: No cryptographic implementation for random bytes present, falling back to a less secure implementation.';
+    console.warn(insecureWarning);
+    var result = Buffer.alloc(size);
+    for (var i = 0; i < size; ++i)
+        result[i] = Math.floor(Math.random() * 256);
+    return result;
+};
+var detectRandomBytes = function () {
+    {
+        var requiredRandomBytes = void 0;
+        try {
+            requiredRandomBytes = require('crypto').randomBytes;
+        }
+        catch (e) {
+            // keep the fallback
+        }
+        // NOTE: in transpiled cases the above require might return null/undefined
+        return requiredRandomBytes || insecureRandomBytes;
+    }
+};
+var randomBytes = detectRandomBytes();
+function isAnyArrayBuffer(value) {
+    return ['[object ArrayBuffer]', '[object SharedArrayBuffer]'].includes(Object.prototype.toString.call(value));
+}
+function isUint8Array(value) {
+    return Object.prototype.toString.call(value) === '[object Uint8Array]';
+}
+function isBigInt64Array(value) {
+    return Object.prototype.toString.call(value) === '[object BigInt64Array]';
+}
+function isBigUInt64Array(value) {
+    return Object.prototype.toString.call(value) === '[object BigUint64Array]';
+}
+function isRegExp(d) {
+    return Object.prototype.toString.call(d) === '[object RegExp]';
+}
+function isMap(d) {
+    return Object.prototype.toString.call(d) === '[object Map]';
+}
+// To ensure that 0.4 of node works correctly
+function isDate(d) {
+    return isObjectLike(d) && Object.prototype.toString.call(d) === '[object Date]';
+}
+/**
+ * @internal
+ * this is to solve the `'someKey' in x` problem where x is unknown.
+ * https://github.com/typescript-eslint/typescript-eslint/issues/1071#issuecomment-541955753
+ */
+function isObjectLike(candidate) {
+    return typeof candidate === 'object' && candidate !== null;
+}
+function deprecate(fn, message) {
+    var warned = false;
+    function deprecated() {
+        var args = [];
+        for (var _i = 0; _i < arguments.length; _i++) {
+            args[_i] = arguments[_i];
+        }
+        if (!warned) {
+            console.warn(message);
+            warned = true;
+        }
+        return fn.apply(this, args);
+    }
+    return deprecated;
+}
+
+/**
+ * Makes sure that, if a Uint8Array is passed in, it is wrapped in a Buffer.
+ *
+ * @param potentialBuffer - The potential buffer
+ * @returns Buffer the input if potentialBuffer is a buffer, or a buffer that
+ * wraps a passed in Uint8Array
+ * @throws BSONTypeError If anything other than a Buffer or Uint8Array is passed in
+ */
+function ensureBuffer(potentialBuffer) {
+    if (ArrayBuffer.isView(potentialBuffer)) {
+        return Buffer.from(potentialBuffer.buffer, potentialBuffer.byteOffset, potentialBuffer.byteLength);
+    }
+    if (isAnyArrayBuffer(potentialBuffer)) {
+        return Buffer.from(potentialBuffer);
+    }
+    throw new BSONTypeError('Must use either Buffer or TypedArray');
+}
+
+// Validation regex for v4 uuid (validates with or without dashes)
+var VALIDATION_REGEX = /^(?:[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|[0-9a-f]{12}4[0-9a-f]{3}[89ab][0-9a-f]{15})$/i;
+var uuidValidateString = function (str) {
+    return typeof str === 'string' && VALIDATION_REGEX.test(str);
+};
+var uuidHexStringToBuffer = function (hexString) {
+    if (!uuidValidateString(hexString)) {
+        throw new BSONTypeError('UUID string representations must be a 32 or 36 character hex string (dashes excluded/included). Format: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" or "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx".');
+    }
+    var sanitizedHexString = hexString.replace(/-/g, '');
+    return Buffer.from(sanitizedHexString, 'hex');
+};
+var bufferToUuidHexString = function (buffer, includeDashes) {
+    if (includeDashes === void 0) { includeDashes = true; }
+    return includeDashes
+        ? buffer.toString('hex', 0, 4) +
+            '-' +
+            buffer.toString('hex', 4, 6) +
+            '-' +
+            buffer.toString('hex', 6, 8) +
+            '-' +
+            buffer.toString('hex', 8, 10) +
+            '-' +
+            buffer.toString('hex', 10, 16)
+        : buffer.toString('hex');
+};
+
+/** @internal */
+var BSON_INT32_MAX$1 = 0x7fffffff;
+/** @internal */
+var BSON_INT32_MIN$1 = -0x80000000;
+/** @internal */
+var BSON_INT64_MAX$1 = Math.pow(2, 63) - 1;
+/** @internal */
+var BSON_INT64_MIN$1 = -Math.pow(2, 63);
+/**
+ * Any integer up to 2^53 can be precisely represented by a double.
+ * @internal
+ */
+var JS_INT_MAX = Math.pow(2, 53);
+/**
+ * Any integer down to -2^53 can be precisely represented by a double.
+ * @internal
+ */
+var JS_INT_MIN = -Math.pow(2, 53);
+/** Number BSON Type @internal */
+var BSON_DATA_NUMBER = 1;
+/** String BSON Type @internal */
+var BSON_DATA_STRING = 2;
+/** Object BSON Type @internal */
+var BSON_DATA_OBJECT = 3;
+/** Array BSON Type @internal */
+var BSON_DATA_ARRAY = 4;
+/** Binary BSON Type @internal */
+var BSON_DATA_BINARY = 5;
+/** Binary BSON Type @internal */
+var BSON_DATA_UNDEFINED = 6;
+/** ObjectId BSON Type @internal */
+var BSON_DATA_OID = 7;
+/** Boolean BSON Type @internal */
+var BSON_DATA_BOOLEAN = 8;
+/** Date BSON Type @internal */
+var BSON_DATA_DATE = 9;
+/** null BSON Type @internal */
+var BSON_DATA_NULL = 10;
+/** RegExp BSON Type @internal */
+var BSON_DATA_REGEXP = 11;
+/** Code BSON Type @internal */
+var BSON_DATA_DBPOINTER = 12;
+/** Code BSON Type @internal */
+var BSON_DATA_CODE = 13;
+/** Symbol BSON Type @internal */
+var BSON_DATA_SYMBOL = 14;
+/** Code with Scope BSON Type @internal */
+var BSON_DATA_CODE_W_SCOPE = 15;
+/** 32 bit Integer BSON Type @internal */
+var BSON_DATA_INT = 16;
+/** Timestamp BSON Type @internal */
+var BSON_DATA_TIMESTAMP = 17;
+/** Long BSON Type @internal */
+var BSON_DATA_LONG = 18;
+/** Decimal128 BSON Type @internal */
+var BSON_DATA_DECIMAL128 = 19;
+/** MinKey BSON Type @internal */
+var BSON_DATA_MIN_KEY = 0xff;
+/** MaxKey BSON Type @internal */
+var BSON_DATA_MAX_KEY = 0x7f;
+/** Binary Default Type @internal */
+var BSON_BINARY_SUBTYPE_DEFAULT = 0;
+/** Binary Function Type @internal */
+var BSON_BINARY_SUBTYPE_FUNCTION = 1;
+/** Binary Byte Array Type @internal */
+var BSON_BINARY_SUBTYPE_BYTE_ARRAY = 2;
+/** Binary Deprecated UUID Type @deprecated Please use BSON_BINARY_SUBTYPE_UUID_NEW @internal */
+var BSON_BINARY_SUBTYPE_UUID = 3;
+/** Binary UUID Type @internal */
+var BSON_BINARY_SUBTYPE_UUID_NEW = 4;
+/** Binary MD5 Type @internal */
+var BSON_BINARY_SUBTYPE_MD5 = 5;
+/** Encrypted BSON type @internal */
+var BSON_BINARY_SUBTYPE_ENCRYPTED = 6;
+/** Column BSON type @internal */
+var BSON_BINARY_SUBTYPE_COLUMN = 7;
+/** Binary User Defined Type @internal */
+var BSON_BINARY_SUBTYPE_USER_DEFINED = 128;
+
+/**
+ * A class representation of the BSON Binary type.
+ * @public
+ * @category BSONType
+ */
+var Binary = /** @class */ (function () {
+    /**
+     * Create a new Binary instance.
+     *
+     * This constructor can accept a string as its first argument. In this case,
+     * this string will be encoded using ISO-8859-1, **not** using UTF-8.
+     * This is almost certainly not what you want. Use `new Binary(Buffer.from(string))`
+     * instead to convert the string to a Buffer using UTF-8 first.
+     *
+     * @param buffer - a buffer object containing the binary data.
+     * @param subType - the option binary type.
+     */
+    function Binary(buffer, subType) {
+        if (!(this instanceof Binary))
+            return new Binary(buffer, subType);
+        if (!(buffer == null) &&
+            !(typeof buffer === 'string') &&
+            !ArrayBuffer.isView(buffer) &&
+            !(buffer instanceof ArrayBuffer) &&
+            !Array.isArray(buffer)) {
+            throw new BSONTypeError('Binary can only be constructed from string, Buffer, TypedArray, or Array<number>');
+        }
+        this.sub_type = subType !== null && subType !== void 0 ? subType : Binary.BSON_BINARY_SUBTYPE_DEFAULT;
+        if (buffer == null) {
+            // create an empty binary buffer
+            this.buffer = Buffer.alloc(Binary.BUFFER_SIZE);
+            this.position = 0;
+        }
+        else {
+            if (typeof buffer === 'string') {
+                // string
+                this.buffer = Buffer.from(buffer, 'binary');
+            }
+            else if (Array.isArray(buffer)) {
+                // number[]
+                this.buffer = Buffer.from(buffer);
+            }
+            else {
+                // Buffer | TypedArray | ArrayBuffer
+                this.buffer = ensureBuffer(buffer);
+            }
+            this.position = this.buffer.byteLength;
+        }
+    }
+    /**
+     * Updates this binary with byte_value.
+     *
+     * @param byteValue - a single byte we wish to write.
+     */
+    Binary.prototype.put = function (byteValue) {
+        // If it's a string and a has more than one character throw an error
+        if (typeof byteValue === 'string' && byteValue.length !== 1) {
+            throw new BSONTypeError('only accepts single character String');
+        }
+        else if (typeof byteValue !== 'number' && byteValue.length !== 1)
+            throw new BSONTypeError('only accepts single character Uint8Array or Array');
+        // Decode the byte value once
+        var decodedByte;
+        if (typeof byteValue === 'string') {
+            decodedByte = byteValue.charCodeAt(0);
+        }
+        else if (typeof byteValue === 'number') {
+            decodedByte = byteValue;
+        }
+        else {
+            decodedByte = byteValue[0];
+        }
+        if (decodedByte < 0 || decodedByte > 255) {
+            throw new BSONTypeError('only accepts number in a valid unsigned byte range 0-255');
+        }
+        if (this.buffer.length > this.position) {
+            this.buffer[this.position++] = decodedByte;
+        }
+        else {
+            var buffer = Buffer.alloc(Binary.BUFFER_SIZE + this.buffer.length);
+            // Combine the two buffers together
+            this.buffer.copy(buffer, 0, 0, this.buffer.length);
+            this.buffer = buffer;
+            this.buffer[this.position++] = decodedByte;
+        }
+    };
+    /**
+     * Writes a buffer or string to the binary.
+     *
+     * @param sequence - a string or buffer to be written to the Binary BSON object.
+     * @param offset - specify the binary of where to write the content.
+     */
+    Binary.prototype.write = function (sequence, offset) {
+        offset = typeof offset === 'number' ? offset : this.position;
+        // If the buffer is to small let's extend the buffer
+        if (this.buffer.length < offset + sequence.length) {
+            var buffer = Buffer.alloc(this.buffer.length + sequence.length);
+            this.buffer.copy(buffer, 0, 0, this.buffer.length);
+            // Assign the new buffer
+            this.buffer = buffer;
+        }
+        if (ArrayBuffer.isView(sequence)) {
+            this.buffer.set(ensureBuffer(sequence), offset);
+            this.position =
+                offset + sequence.byteLength > this.position ? offset + sequence.length : this.position;
+        }
+        else if (typeof sequence === 'string') {
+            this.buffer.write(sequence, offset, sequence.length, 'binary');
+            this.position =
+                offset + sequence.length > this.position ? offset + sequence.length : this.position;
+        }
+    };
+    /**
+     * Reads **length** bytes starting at **position**.
+     *
+     * @param position - read from the given position in the Binary.
+     * @param length - the number of bytes to read.
+     */
+    Binary.prototype.read = function (position, length) {
+        length = length && length > 0 ? length : this.position;
+        // Let's return the data based on the type we have
+        return this.buffer.slice(position, position + length);
+    };
+    /**
+     * Returns the value of this binary as a string.
+     * @param asRaw - Will skip converting to a string
+     * @remarks
+     * This is handy when calling this function conditionally for some key value pairs and not others
+     */
+    Binary.prototype.value = function (asRaw) {
+        asRaw = !!asRaw;
+        // Optimize to serialize for the situation where the data == size of buffer
+        if (asRaw && this.buffer.length === this.position) {
+            return this.buffer;
+        }
+        // If it's a node.js buffer object
+        if (asRaw) {
+            return this.buffer.slice(0, this.position);
+        }
+        return this.buffer.toString('binary', 0, this.position);
+    };
+    /** the length of the binary sequence */
+    Binary.prototype.length = function () {
+        return this.position;
+    };
+    Binary.prototype.toJSON = function () {
+        return this.buffer.toString('base64');
+    };
+    Binary.prototype.toString = function (format) {
+        return this.buffer.toString(format);
+    };
+    /** @internal */
+    Binary.prototype.toExtendedJSON = function (options) {
+        options = options || {};
+        var base64String = this.buffer.toString('base64');
+        var subType = Number(this.sub_type).toString(16);
+        if (options.legacy) {
+            return {
+                $binary: base64String,
+                $type: subType.length === 1 ? '0' + subType : subType
+            };
+        }
+        return {
+            $binary: {
+                base64: base64String,
+                subType: subType.length === 1 ? '0' + subType : subType
+            }
+        };
+    };
+    Binary.prototype.toUUID = function () {
+        if (this.sub_type === Binary.SUBTYPE_UUID) {
+            return new UUID(this.buffer.slice(0, this.position));
+        }
+        throw new BSONError("Binary sub_type \"".concat(this.sub_type, "\" is not supported for converting to UUID. Only \"").concat(Binary.SUBTYPE_UUID, "\" is currently supported."));
+    };
+    /** @internal */
+    Binary.fromExtendedJSON = function (doc, options) {
+        options = options || {};
+        var data;
+        var type;
+        if ('$binary' in doc) {
+            if (options.legacy && typeof doc.$binary === 'string' && '$type' in doc) {
+                type = doc.$type ? parseInt(doc.$type, 16) : 0;
+                data = Buffer.from(doc.$binary, 'base64');
+            }
+            else {
+                if (typeof doc.$binary !== 'string') {
+                    type = doc.$binary.subType ? parseInt(doc.$binary.subType, 16) : 0;
+                    data = Buffer.from(doc.$binary.base64, 'base64');
+                }
+            }
+        }
+        else if ('$uuid' in doc) {
+            type = 4;
+            data = uuidHexStringToBuffer(doc.$uuid);
+        }
+        if (!data) {
+            throw new BSONTypeError("Unexpected Binary Extended JSON format ".concat(JSON.stringify(doc)));
+        }
+        return type === BSON_BINARY_SUBTYPE_UUID_NEW ? new UUID(data) : new Binary(data, type);
+    };
+    /** @internal */
+    Binary.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Binary.prototype.inspect = function () {
+        var asBuffer = this.value(true);
+        return "new Binary(Buffer.from(\"".concat(asBuffer.toString('hex'), "\", \"hex\"), ").concat(this.sub_type, ")");
+    };
+    /**
+     * Binary default subtype
+     * @internal
+     */
+    Binary.BSON_BINARY_SUBTYPE_DEFAULT = 0;
+    /** Initial buffer default size */
+    Binary.BUFFER_SIZE = 256;
+    /** Default BSON type */
+    Binary.SUBTYPE_DEFAULT = 0;
+    /** Function BSON type */
+    Binary.SUBTYPE_FUNCTION = 1;
+    /** Byte Array BSON type */
+    Binary.SUBTYPE_BYTE_ARRAY = 2;
+    /** Deprecated UUID BSON type @deprecated Please use SUBTYPE_UUID */
+    Binary.SUBTYPE_UUID_OLD = 3;
+    /** UUID BSON type */
+    Binary.SUBTYPE_UUID = 4;
+    /** MD5 BSON type */
+    Binary.SUBTYPE_MD5 = 5;
+    /** Encrypted BSON type */
+    Binary.SUBTYPE_ENCRYPTED = 6;
+    /** Column BSON type */
+    Binary.SUBTYPE_COLUMN = 7;
+    /** User BSON type */
+    Binary.SUBTYPE_USER_DEFINED = 128;
+    return Binary;
+}());
+Object.defineProperty(Binary.prototype, '_bsontype', { value: 'Binary' });
+var UUID_BYTE_LENGTH = 16;
+/**
+ * A class representation of the BSON UUID type.
+ * @public
+ */
+var UUID = /** @class */ (function (_super) {
+    __extends(UUID, _super);
+    /**
+     * Create an UUID type
+     *
+     * @param input - Can be a 32 or 36 character hex string (dashes excluded/included) or a 16 byte binary Buffer.
+     */
+    function UUID(input) {
+        var _this = this;
+        var bytes;
+        var hexStr;
+        if (input == null) {
+            bytes = UUID.generate();
+        }
+        else if (input instanceof UUID) {
+            bytes = Buffer.from(input.buffer);
+            hexStr = input.__id;
+        }
+        else if (ArrayBuffer.isView(input) && input.byteLength === UUID_BYTE_LENGTH) {
+            bytes = ensureBuffer(input);
+        }
+        else if (typeof input === 'string') {
+            bytes = uuidHexStringToBuffer(input);
+        }
+        else {
+            throw new BSONTypeError('Argument passed in UUID constructor must be a UUID, a 16 byte Buffer or a 32/36 character hex string (dashes excluded/included, format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).');
+        }
+        _this = _super.call(this, bytes, BSON_BINARY_SUBTYPE_UUID_NEW) || this;
+        _this.__id = hexStr;
+        return _this;
+    }
+    Object.defineProperty(UUID.prototype, "id", {
+        /**
+         * The UUID bytes
+         * @readonly
+         */
+        get: function () {
+            return this.buffer;
+        },
+        set: function (value) {
+            this.buffer = value;
+            if (UUID.cacheHexString) {
+                this.__id = bufferToUuidHexString(value);
+            }
+        },
+        enumerable: false,
+        configurable: true
+    });
+    /**
+     * Returns the UUID id as a 32 or 36 character hex string representation, excluding/including dashes (defaults to 36 character dash separated)
+     * @param includeDashes - should the string exclude dash-separators.
+     * */
+    UUID.prototype.toHexString = function (includeDashes) {
+        if (includeDashes === void 0) { includeDashes = true; }
+        if (UUID.cacheHexString && this.__id) {
+            return this.__id;
+        }
+        var uuidHexString = bufferToUuidHexString(this.id, includeDashes);
+        if (UUID.cacheHexString) {
+            this.__id = uuidHexString;
+        }
+        return uuidHexString;
+    };
+    /**
+     * Converts the id into a 36 character (dashes included) hex string, unless a encoding is specified.
+     */
+    UUID.prototype.toString = function (encoding) {
+        return encoding ? this.id.toString(encoding) : this.toHexString();
+    };
+    /**
+     * Converts the id into its JSON string representation.
+     * A 36 character (dashes included) hex string in the format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+     */
+    UUID.prototype.toJSON = function () {
+        return this.toHexString();
+    };
+    /**
+     * Compares the equality of this UUID with `otherID`.
+     *
+     * @param otherId - UUID instance to compare against.
+     */
+    UUID.prototype.equals = function (otherId) {
+        if (!otherId) {
+            return false;
+        }
+        if (otherId instanceof UUID) {
+            return otherId.id.equals(this.id);
+        }
+        try {
+            return new UUID(otherId).id.equals(this.id);
+        }
+        catch (_a) {
+            return false;
+        }
+    };
+    /**
+     * Creates a Binary instance from the current UUID.
+     */
+    UUID.prototype.toBinary = function () {
+        return new Binary(this.id, Binary.SUBTYPE_UUID);
+    };
+    /**
+     * Generates a populated buffer containing a v4 uuid
+     */
+    UUID.generate = function () {
+        var bytes = randomBytes(UUID_BYTE_LENGTH);
+        // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
+        // Kindly borrowed from https://github.com/uuidjs/uuid/blob/master/src/v4.js
+        bytes[6] = (bytes[6] & 0x0f) | 0x40;
+        bytes[8] = (bytes[8] & 0x3f) | 0x80;
+        return Buffer.from(bytes);
+    };
+    /**
+     * Checks if a value is a valid bson UUID
+     * @param input - UUID, string or Buffer to validate.
+     */
+    UUID.isValid = function (input) {
+        if (!input) {
+            return false;
+        }
+        if (input instanceof UUID) {
+            return true;
+        }
+        if (typeof input === 'string') {
+            return uuidValidateString(input);
+        }
+        if (isUint8Array(input)) {
+            // check for length & uuid version (https://tools.ietf.org/html/rfc4122#section-4.1.3)
+            if (input.length !== UUID_BYTE_LENGTH) {
+                return false;
+            }
+            return (input[6] & 0xf0) === 0x40 && (input[8] & 0x80) === 0x80;
+        }
+        return false;
+    };
+    /**
+     * Creates an UUID from a hex string representation of an UUID.
+     * @param hexString - 32 or 36 character hex string (dashes excluded/included).
+     */
+    UUID.createFromHexString = function (hexString) {
+        var buffer = uuidHexStringToBuffer(hexString);
+        return new UUID(buffer);
+    };
+    /**
+     * Converts to a string representation of this Id.
+     *
+     * @returns return the 36 character hex string representation.
+     * @internal
+     */
+    UUID.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    UUID.prototype.inspect = function () {
+        return "new UUID(\"".concat(this.toHexString(), "\")");
+    };
+    return UUID;
+}(Binary));
+
+/**
+ * A class representation of the BSON Code type.
+ * @public
+ * @category BSONType
+ */
+var Code = /** @class */ (function () {
+    /**
+     * @param code - a string or function.
+     * @param scope - an optional scope for the function.
+     */
+    function Code(code, scope) {
+        if (!(this instanceof Code))
+            return new Code(code, scope);
+        this.code = code;
+        this.scope = scope;
+    }
+    Code.prototype.toJSON = function () {
+        return { code: this.code, scope: this.scope };
+    };
+    /** @internal */
+    Code.prototype.toExtendedJSON = function () {
+        if (this.scope) {
+            return { $code: this.code, $scope: this.scope };
+        }
+        return { $code: this.code };
+    };
+    /** @internal */
+    Code.fromExtendedJSON = function (doc) {
+        return new Code(doc.$code, doc.$scope);
+    };
+    /** @internal */
+    Code.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Code.prototype.inspect = function () {
+        var codeJson = this.toJSON();
+        return "new Code(\"".concat(String(codeJson.code), "\"").concat(codeJson.scope ? ", ".concat(JSON.stringify(codeJson.scope)) : '', ")");
+    };
+    return Code;
+}());
+Object.defineProperty(Code.prototype, '_bsontype', { value: 'Code' });
+
+/** @internal */
+function isDBRefLike(value) {
+    return (isObjectLike(value) &&
+        value.$id != null &&
+        typeof value.$ref === 'string' &&
+        (value.$db == null || typeof value.$db === 'string'));
+}
+/**
+ * A class representation of the BSON DBRef type.
+ * @public
+ * @category BSONType
+ */
+var DBRef = /** @class */ (function () {
+    /**
+     * @param collection - the collection name.
+     * @param oid - the reference ObjectId.
+     * @param db - optional db name, if omitted the reference is local to the current db.
+     */
+    function DBRef(collection, oid, db, fields) {
+        if (!(this instanceof DBRef))
+            return new DBRef(collection, oid, db, fields);
+        // check if namespace has been provided
+        var parts = collection.split('.');
+        if (parts.length === 2) {
+            db = parts.shift();
+            // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+            collection = parts.shift();
+        }
+        this.collection = collection;
+        this.oid = oid;
+        this.db = db;
+        this.fields = fields || {};
+    }
+    Object.defineProperty(DBRef.prototype, "namespace", {
+        // Property provided for compatibility with the 1.x parser
+        // the 1.x parser used a "namespace" property, while 4.x uses "collection"
+        /** @internal */
+        get: function () {
+            return this.collection;
+        },
+        set: function (value) {
+            this.collection = value;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    DBRef.prototype.toJSON = function () {
+        var o = Object.assign({
+            $ref: this.collection,
+            $id: this.oid
+        }, this.fields);
+        if (this.db != null)
+            o.$db = this.db;
+        return o;
+    };
+    /** @internal */
+    DBRef.prototype.toExtendedJSON = function (options) {
+        options = options || {};
+        var o = {
+            $ref: this.collection,
+            $id: this.oid
+        };
+        if (options.legacy) {
+            return o;
+        }
+        if (this.db)
+            o.$db = this.db;
+        o = Object.assign(o, this.fields);
+        return o;
+    };
+    /** @internal */
+    DBRef.fromExtendedJSON = function (doc) {
+        var copy = Object.assign({}, doc);
+        delete copy.$ref;
+        delete copy.$id;
+        delete copy.$db;
+        return new DBRef(doc.$ref, doc.$id, doc.$db, copy);
+    };
+    /** @internal */
+    DBRef.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    DBRef.prototype.inspect = function () {
+        // NOTE: if OID is an ObjectId class it will just print the oid string.
+        var oid = this.oid === undefined || this.oid.toString === undefined ? this.oid : this.oid.toString();
+        return "new DBRef(\"".concat(this.namespace, "\", new ObjectId(\"").concat(String(oid), "\")").concat(this.db ? ", \"".concat(this.db, "\"") : '', ")");
+    };
+    return DBRef;
+}());
+Object.defineProperty(DBRef.prototype, '_bsontype', { value: 'DBRef' });
+
+/**
+ * wasm optimizations, to do native i64 multiplication and divide
+ */
+var wasm = undefined;
+try {
+    wasm = new WebAssembly.Instance(new WebAssembly.Module(
+    // prettier-ignore
+    new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0, 1, 13, 2, 96, 0, 1, 127, 96, 4, 127, 127, 127, 127, 1, 127, 3, 7, 6, 0, 1, 1, 1, 1, 1, 6, 6, 1, 127, 1, 65, 0, 11, 7, 50, 6, 3, 109, 117, 108, 0, 1, 5, 100, 105, 118, 95, 115, 0, 2, 5, 100, 105, 118, 95, 117, 0, 3, 5, 114, 101, 109, 95, 115, 0, 4, 5, 114, 101, 109, 95, 117, 0, 5, 8, 103, 101, 116, 95, 104, 105, 103, 104, 0, 0, 10, 191, 1, 6, 4, 0, 35, 0, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 126, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 127, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 128, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 129, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 130, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11])), {}).exports;
+}
+catch (_a) {
+    // no wasm support
+}
+var TWO_PWR_16_DBL = 1 << 16;
+var TWO_PWR_24_DBL = 1 << 24;
+var TWO_PWR_32_DBL = TWO_PWR_16_DBL * TWO_PWR_16_DBL;
+var TWO_PWR_64_DBL = TWO_PWR_32_DBL * TWO_PWR_32_DBL;
+var TWO_PWR_63_DBL = TWO_PWR_64_DBL / 2;
+/** A cache of the Long representations of small integer values. */
+var INT_CACHE = {};
+/** A cache of the Long representations of small unsigned integer values. */
+var UINT_CACHE = {};
+/**
+ * A class representing a 64-bit integer
+ * @public
+ * @category BSONType
+ * @remarks
+ * The internal representation of a long is the two given signed, 32-bit values.
+ * We use 32-bit pieces because these are the size of integers on which
+ * Javascript performs bit-operations.  For operations like addition and
+ * multiplication, we split each number into 16 bit pieces, which can easily be
+ * multiplied within Javascript's floating-point representation without overflow
+ * or change in sign.
+ * In the algorithms below, we frequently reduce the negative case to the
+ * positive case by negating the input(s) and then post-processing the result.
+ * Note that we must ALWAYS check specially whether those values are MIN_VALUE
+ * (-2^63) because -MIN_VALUE == MIN_VALUE (since 2^63 cannot be represented as
+ * a positive number, it overflows back into a negative).  Not handling this
+ * case would often result in infinite recursion.
+ * Common constant values ZERO, ONE, NEG_ONE, etc. are found as static properties on this class.
+ */
+var Long = /** @class */ (function () {
+    /**
+     * Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as *signed* integers.
+     *  See the from* functions below for more convenient ways of constructing Longs.
+     *
+     * Acceptable signatures are:
+     * - Long(low, high, unsigned?)
+     * - Long(bigint, unsigned?)
+     * - Long(string, unsigned?)
+     *
+     * @param low - The low (signed) 32 bits of the long
+     * @param high - The high (signed) 32 bits of the long
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     */
+    function Long(low, high, unsigned) {
+        if (low === void 0) { low = 0; }
+        if (!(this instanceof Long))
+            return new Long(low, high, unsigned);
+        if (typeof low === 'bigint') {
+            Object.assign(this, Long.fromBigInt(low, !!high));
+        }
+        else if (typeof low === 'string') {
+            Object.assign(this, Long.fromString(low, !!high));
+        }
+        else {
+            this.low = low | 0;
+            this.high = high | 0;
+            this.unsigned = !!unsigned;
+        }
+        Object.defineProperty(this, '__isLong__', {
+            value: true,
+            configurable: false,
+            writable: false,
+            enumerable: false
+        });
+    }
+    /**
+     * Returns a Long representing the 64 bit integer that comes by concatenating the given low and high bits.
+     * Each is assumed to use 32 bits.
+     * @param lowBits - The low 32 bits
+     * @param highBits - The high 32 bits
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromBits = function (lowBits, highBits, unsigned) {
+        return new Long(lowBits, highBits, unsigned);
+    };
+    /**
+     * Returns a Long representing the given 32 bit integer value.
+     * @param value - The 32 bit integer in question
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromInt = function (value, unsigned) {
+        var obj, cachedObj, cache;
+        if (unsigned) {
+            value >>>= 0;
+            if ((cache = 0 <= value && value < 256)) {
+                cachedObj = UINT_CACHE[value];
+                if (cachedObj)
+                    return cachedObj;
+            }
+            obj = Long.fromBits(value, (value | 0) < 0 ? -1 : 0, true);
+            if (cache)
+                UINT_CACHE[value] = obj;
+            return obj;
+        }
+        else {
+            value |= 0;
+            if ((cache = -128 <= value && value < 128)) {
+                cachedObj = INT_CACHE[value];
+                if (cachedObj)
+                    return cachedObj;
+            }
+            obj = Long.fromBits(value, value < 0 ? -1 : 0, false);
+            if (cache)
+                INT_CACHE[value] = obj;
+            return obj;
+        }
+    };
+    /**
+     * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+     * @param value - The number in question
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromNumber = function (value, unsigned) {
+        if (isNaN(value))
+            return unsigned ? Long.UZERO : Long.ZERO;
+        if (unsigned) {
+            if (value < 0)
+                return Long.UZERO;
+            if (value >= TWO_PWR_64_DBL)
+                return Long.MAX_UNSIGNED_VALUE;
+        }
+        else {
+            if (value <= -TWO_PWR_63_DBL)
+                return Long.MIN_VALUE;
+            if (value + 1 >= TWO_PWR_63_DBL)
+                return Long.MAX_VALUE;
+        }
+        if (value < 0)
+            return Long.fromNumber(-value, unsigned).neg();
+        return Long.fromBits(value % TWO_PWR_32_DBL | 0, (value / TWO_PWR_32_DBL) | 0, unsigned);
+    };
+    /**
+     * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+     * @param value - The number in question
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromBigInt = function (value, unsigned) {
+        return Long.fromString(value.toString(), unsigned);
+    };
+    /**
+     * Returns a Long representation of the given string, written using the specified radix.
+     * @param str - The textual representation of the Long
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @param radix - The radix in which the text is written (2-36), defaults to 10
+     * @returns The corresponding Long value
+     */
+    Long.fromString = function (str, unsigned, radix) {
+        if (str.length === 0)
+            throw Error('empty string');
+        if (str === 'NaN' || str === 'Infinity' || str === '+Infinity' || str === '-Infinity')
+            return Long.ZERO;
+        if (typeof unsigned === 'number') {
+            // For goog.math.long compatibility
+            (radix = unsigned), (unsigned = false);
+        }
+        else {
+            unsigned = !!unsigned;
+        }
+        radix = radix || 10;
+        if (radix < 2 || 36 < radix)
+            throw RangeError('radix');
+        var p;
+        if ((p = str.indexOf('-')) > 0)
+            throw Error('interior hyphen');
+        else if (p === 0) {
+            return Long.fromString(str.substring(1), unsigned, radix).neg();
+        }
+        // Do several (8) digits each time through the loop, so as to
+        // minimize the calls to the very expensive emulated div.
+        var radixToPower = Long.fromNumber(Math.pow(radix, 8));
+        var result = Long.ZERO;
+        for (var i = 0; i < str.length; i += 8) {
+            var size = Math.min(8, str.length - i), value = parseInt(str.substring(i, i + size), radix);
+            if (size < 8) {
+                var power = Long.fromNumber(Math.pow(radix, size));
+                result = result.mul(power).add(Long.fromNumber(value));
+            }
+            else {
+                result = result.mul(radixToPower);
+                result = result.add(Long.fromNumber(value));
+            }
+        }
+        result.unsigned = unsigned;
+        return result;
+    };
+    /**
+     * Creates a Long from its byte representation.
+     * @param bytes - Byte representation
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @param le - Whether little or big endian, defaults to big endian
+     * @returns The corresponding Long value
+     */
+    Long.fromBytes = function (bytes, unsigned, le) {
+        return le ? Long.fromBytesLE(bytes, unsigned) : Long.fromBytesBE(bytes, unsigned);
+    };
+    /**
+     * Creates a Long from its little endian byte representation.
+     * @param bytes - Little endian byte representation
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromBytesLE = function (bytes, unsigned) {
+        return new Long(bytes[0] | (bytes[1] << 8) | (bytes[2] << 16) | (bytes[3] << 24), bytes[4] | (bytes[5] << 8) | (bytes[6] << 16) | (bytes[7] << 24), unsigned);
+    };
+    /**
+     * Creates a Long from its big endian byte representation.
+     * @param bytes - Big endian byte representation
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromBytesBE = function (bytes, unsigned) {
+        return new Long((bytes[4] << 24) | (bytes[5] << 16) | (bytes[6] << 8) | bytes[7], (bytes[0] << 24) | (bytes[1] << 16) | (bytes[2] << 8) | bytes[3], unsigned);
+    };
+    /**
+     * Tests if the specified object is a Long.
+     */
+    Long.isLong = function (value) {
+        return isObjectLike(value) && value['__isLong__'] === true;
+    };
+    /**
+     * Converts the specified value to a Long.
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     */
+    Long.fromValue = function (val, unsigned) {
+        if (typeof val === 'number')
+            return Long.fromNumber(val, unsigned);
+        if (typeof val === 'string')
+            return Long.fromString(val, unsigned);
+        // Throws for non-objects, converts non-instanceof Long:
+        return Long.fromBits(val.low, val.high, typeof unsigned === 'boolean' ? unsigned : val.unsigned);
+    };
+    /** Returns the sum of this and the specified Long. */
+    Long.prototype.add = function (addend) {
+        if (!Long.isLong(addend))
+            addend = Long.fromValue(addend);
+        // Divide each number into 4 chunks of 16 bits, and then sum the chunks.
+        var a48 = this.high >>> 16;
+        var a32 = this.high & 0xffff;
+        var a16 = this.low >>> 16;
+        var a00 = this.low & 0xffff;
+        var b48 = addend.high >>> 16;
+        var b32 = addend.high & 0xffff;
+        var b16 = addend.low >>> 16;
+        var b00 = addend.low & 0xffff;
+        var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
+        c00 += a00 + b00;
+        c16 += c00 >>> 16;
+        c00 &= 0xffff;
+        c16 += a16 + b16;
+        c32 += c16 >>> 16;
+        c16 &= 0xffff;
+        c32 += a32 + b32;
+        c48 += c32 >>> 16;
+        c32 &= 0xffff;
+        c48 += a48 + b48;
+        c48 &= 0xffff;
+        return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+    };
+    /**
+     * Returns the sum of this and the specified Long.
+     * @returns Sum
+     */
+    Long.prototype.and = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        return Long.fromBits(this.low & other.low, this.high & other.high, this.unsigned);
+    };
+    /**
+     * Compares this Long's value with the specified's.
+     * @returns 0 if they are the same, 1 if the this is greater and -1 if the given one is greater
+     */
+    Long.prototype.compare = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        if (this.eq(other))
+            return 0;
+        var thisNeg = this.isNegative(), otherNeg = other.isNegative();
+        if (thisNeg && !otherNeg)
+            return -1;
+        if (!thisNeg && otherNeg)
+            return 1;
+        // At this point the sign bits are the same
+        if (!this.unsigned)
+            return this.sub(other).isNegative() ? -1 : 1;
+        // Both are positive if at least one is unsigned
+        return other.high >>> 0 > this.high >>> 0 ||
+            (other.high === this.high && other.low >>> 0 > this.low >>> 0)
+            ? -1
+            : 1;
+    };
+    /** This is an alias of {@link Long.compare} */
+    Long.prototype.comp = function (other) {
+        return this.compare(other);
+    };
+    /**
+     * Returns this Long divided by the specified. The result is signed if this Long is signed or unsigned if this Long is unsigned.
+     * @returns Quotient
+     */
+    Long.prototype.divide = function (divisor) {
+        if (!Long.isLong(divisor))
+            divisor = Long.fromValue(divisor);
+        if (divisor.isZero())
+            throw Error('division by zero');
+        // use wasm support if present
+        if (wasm) {
+            // guard against signed division overflow: the largest
+            // negative number / -1 would be 1 larger than the largest
+            // positive number, due to two's complement.
+            if (!this.unsigned &&
+                this.high === -0x80000000 &&
+                divisor.low === -1 &&
+                divisor.high === -1) {
+                // be consistent with non-wasm code path
+                return this;
+            }
+            var low = (this.unsigned ? wasm.div_u : wasm.div_s)(this.low, this.high, divisor.low, divisor.high);
+            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+        }
+        if (this.isZero())
+            return this.unsigned ? Long.UZERO : Long.ZERO;
+        var approx, rem, res;
+        if (!this.unsigned) {
+            // This section is only relevant for signed longs and is derived from the
+            // closure library as a whole.
+            if (this.eq(Long.MIN_VALUE)) {
+                if (divisor.eq(Long.ONE) || divisor.eq(Long.NEG_ONE))
+                    return Long.MIN_VALUE;
+                // recall that -MIN_VALUE == MIN_VALUE
+                else if (divisor.eq(Long.MIN_VALUE))
+                    return Long.ONE;
+                else {
+                    // At this point, we have |other| >= 2, so |this/other| < |MIN_VALUE|.
+                    var halfThis = this.shr(1);
+                    approx = halfThis.div(divisor).shl(1);
+                    if (approx.eq(Long.ZERO)) {
+                        return divisor.isNegative() ? Long.ONE : Long.NEG_ONE;
+                    }
+                    else {
+                        rem = this.sub(divisor.mul(approx));
+                        res = approx.add(rem.div(divisor));
+                        return res;
+                    }
+                }
+            }
+            else if (divisor.eq(Long.MIN_VALUE))
+                return this.unsigned ? Long.UZERO : Long.ZERO;
+            if (this.isNegative()) {
+                if (divisor.isNegative())
+                    return this.neg().div(divisor.neg());
+                return this.neg().div(divisor).neg();
+            }
+            else if (divisor.isNegative())
+                return this.div(divisor.neg()).neg();
+            res = Long.ZERO;
+        }
+        else {
+            // The algorithm below has not been made for unsigned longs. It's therefore
+            // required to take special care of the MSB prior to running it.
+            if (!divisor.unsigned)
+                divisor = divisor.toUnsigned();
+            if (divisor.gt(this))
+                return Long.UZERO;
+            if (divisor.gt(this.shru(1)))
+                // 15 >>> 1 = 7 ; with divisor = 8 ; true
+                return Long.UONE;
+            res = Long.UZERO;
+        }
+        // Repeat the following until the remainder is less than other:  find a
+        // floating-point that approximates remainder / other *from below*, add this
+        // into the result, and subtract it from the remainder.  It is critical that
+        // the approximate value is less than or equal to the real value so that the
+        // remainder never becomes negative.
+        // eslint-disable-next-line @typescript-eslint/no-this-alias
+        rem = this;
+        while (rem.gte(divisor)) {
+            // Approximate the result of division. This may be a little greater or
+            // smaller than the actual value.
+            approx = Math.max(1, Math.floor(rem.toNumber() / divisor.toNumber()));
+            // We will tweak the approximate result by changing it in the 48-th digit or
+            // the smallest non-fractional digit, whichever is larger.
+            var log2 = Math.ceil(Math.log(approx) / Math.LN2);
+            var delta = log2 <= 48 ? 1 : Math.pow(2, log2 - 48);
+            // Decrease the approximation until it is smaller than the remainder.  Note
+            // that if it is too large, the product overflows and is negative.
+            var approxRes = Long.fromNumber(approx);
+            var approxRem = approxRes.mul(divisor);
+            while (approxRem.isNegative() || approxRem.gt(rem)) {
+                approx -= delta;
+                approxRes = Long.fromNumber(approx, this.unsigned);
+                approxRem = approxRes.mul(divisor);
+            }
+            // We know the answer can't be zero... and actually, zero would cause
+            // infinite recursion since we would make no progress.
+            if (approxRes.isZero())
+                approxRes = Long.ONE;
+            res = res.add(approxRes);
+            rem = rem.sub(approxRem);
+        }
+        return res;
+    };
+    /**This is an alias of {@link Long.divide} */
+    Long.prototype.div = function (divisor) {
+        return this.divide(divisor);
+    };
+    /**
+     * Tests if this Long's value equals the specified's.
+     * @param other - Other value
+     */
+    Long.prototype.equals = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        if (this.unsigned !== other.unsigned && this.high >>> 31 === 1 && other.high >>> 31 === 1)
+            return false;
+        return this.high === other.high && this.low === other.low;
+    };
+    /** This is an alias of {@link Long.equals} */
+    Long.prototype.eq = function (other) {
+        return this.equals(other);
+    };
+    /** Gets the high 32 bits as a signed integer. */
+    Long.prototype.getHighBits = function () {
+        return this.high;
+    };
+    /** Gets the high 32 bits as an unsigned integer. */
+    Long.prototype.getHighBitsUnsigned = function () {
+        return this.high >>> 0;
+    };
+    /** Gets the low 32 bits as a signed integer. */
+    Long.prototype.getLowBits = function () {
+        return this.low;
+    };
+    /** Gets the low 32 bits as an unsigned integer. */
+    Long.prototype.getLowBitsUnsigned = function () {
+        return this.low >>> 0;
+    };
+    /** Gets the number of bits needed to represent the absolute value of this Long. */
+    Long.prototype.getNumBitsAbs = function () {
+        if (this.isNegative()) {
+            // Unsigned Longs are never negative
+            return this.eq(Long.MIN_VALUE) ? 64 : this.neg().getNumBitsAbs();
+        }
+        var val = this.high !== 0 ? this.high : this.low;
+        var bit;
+        for (bit = 31; bit > 0; bit--)
+            if ((val & (1 << bit)) !== 0)
+                break;
+        return this.high !== 0 ? bit + 33 : bit + 1;
+    };
+    /** Tests if this Long's value is greater than the specified's. */
+    Long.prototype.greaterThan = function (other) {
+        return this.comp(other) > 0;
+    };
+    /** This is an alias of {@link Long.greaterThan} */
+    Long.prototype.gt = function (other) {
+        return this.greaterThan(other);
+    };
+    /** Tests if this Long's value is greater than or equal the specified's. */
+    Long.prototype.greaterThanOrEqual = function (other) {
+        return this.comp(other) >= 0;
+    };
+    /** This is an alias of {@link Long.greaterThanOrEqual} */
+    Long.prototype.gte = function (other) {
+        return this.greaterThanOrEqual(other);
+    };
+    /** This is an alias of {@link Long.greaterThanOrEqual} */
+    Long.prototype.ge = function (other) {
+        return this.greaterThanOrEqual(other);
+    };
+    /** Tests if this Long's value is even. */
+    Long.prototype.isEven = function () {
+        return (this.low & 1) === 0;
+    };
+    /** Tests if this Long's value is negative. */
+    Long.prototype.isNegative = function () {
+        return !this.unsigned && this.high < 0;
+    };
+    /** Tests if this Long's value is odd. */
+    Long.prototype.isOdd = function () {
+        return (this.low & 1) === 1;
+    };
+    /** Tests if this Long's value is positive. */
+    Long.prototype.isPositive = function () {
+        return this.unsigned || this.high >= 0;
+    };
+    /** Tests if this Long's value equals zero. */
+    Long.prototype.isZero = function () {
+        return this.high === 0 && this.low === 0;
+    };
+    /** Tests if this Long's value is less than the specified's. */
+    Long.prototype.lessThan = function (other) {
+        return this.comp(other) < 0;
+    };
+    /** This is an alias of {@link Long#lessThan}. */
+    Long.prototype.lt = function (other) {
+        return this.lessThan(other);
+    };
+    /** Tests if this Long's value is less than or equal the specified's. */
+    Long.prototype.lessThanOrEqual = function (other) {
+        return this.comp(other) <= 0;
+    };
+    /** This is an alias of {@link Long.lessThanOrEqual} */
+    Long.prototype.lte = function (other) {
+        return this.lessThanOrEqual(other);
+    };
+    /** Returns this Long modulo the specified. */
+    Long.prototype.modulo = function (divisor) {
+        if (!Long.isLong(divisor))
+            divisor = Long.fromValue(divisor);
+        // use wasm support if present
+        if (wasm) {
+            var low = (this.unsigned ? wasm.rem_u : wasm.rem_s)(this.low, this.high, divisor.low, divisor.high);
+            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+        }
+        return this.sub(this.div(divisor).mul(divisor));
+    };
+    /** This is an alias of {@link Long.modulo} */
+    Long.prototype.mod = function (divisor) {
+        return this.modulo(divisor);
+    };
+    /** This is an alias of {@link Long.modulo} */
+    Long.prototype.rem = function (divisor) {
+        return this.modulo(divisor);
+    };
+    /**
+     * Returns the product of this and the specified Long.
+     * @param multiplier - Multiplier
+     * @returns Product
+     */
+    Long.prototype.multiply = function (multiplier) {
+        if (this.isZero())
+            return Long.ZERO;
+        if (!Long.isLong(multiplier))
+            multiplier = Long.fromValue(multiplier);
+        // use wasm support if present
+        if (wasm) {
+            var low = wasm.mul(this.low, this.high, multiplier.low, multiplier.high);
+            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+        }
+        if (multiplier.isZero())
+            return Long.ZERO;
+        if (this.eq(Long.MIN_VALUE))
+            return multiplier.isOdd() ? Long.MIN_VALUE : Long.ZERO;
+        if (multiplier.eq(Long.MIN_VALUE))
+            return this.isOdd() ? Long.MIN_VALUE : Long.ZERO;
+        if (this.isNegative()) {
+            if (multiplier.isNegative())
+                return this.neg().mul(multiplier.neg());
+            else
+                return this.neg().mul(multiplier).neg();
+        }
+        else if (multiplier.isNegative())
+            return this.mul(multiplier.neg()).neg();
+        // If both longs are small, use float multiplication
+        if (this.lt(Long.TWO_PWR_24) && multiplier.lt(Long.TWO_PWR_24))
+            return Long.fromNumber(this.toNumber() * multiplier.toNumber(), this.unsigned);
+        // Divide each long into 4 chunks of 16 bits, and then add up 4x4 products.
+        // We can skip products that would overflow.
+        var a48 = this.high >>> 16;
+        var a32 = this.high & 0xffff;
+        var a16 = this.low >>> 16;
+        var a00 = this.low & 0xffff;
+        var b48 = multiplier.high >>> 16;
+        var b32 = multiplier.high & 0xffff;
+        var b16 = multiplier.low >>> 16;
+        var b00 = multiplier.low & 0xffff;
+        var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
+        c00 += a00 * b00;
+        c16 += c00 >>> 16;
+        c00 &= 0xffff;
+        c16 += a16 * b00;
+        c32 += c16 >>> 16;
+        c16 &= 0xffff;
+        c16 += a00 * b16;
+        c32 += c16 >>> 16;
+        c16 &= 0xffff;
+        c32 += a32 * b00;
+        c48 += c32 >>> 16;
+        c32 &= 0xffff;
+        c32 += a16 * b16;
+        c48 += c32 >>> 16;
+        c32 &= 0xffff;
+        c32 += a00 * b32;
+        c48 += c32 >>> 16;
+        c32 &= 0xffff;
+        c48 += a48 * b00 + a32 * b16 + a16 * b32 + a00 * b48;
+        c48 &= 0xffff;
+        return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+    };
+    /** This is an alias of {@link Long.multiply} */
+    Long.prototype.mul = function (multiplier) {
+        return this.multiply(multiplier);
+    };
+    /** Returns the Negation of this Long's value. */
+    Long.prototype.negate = function () {
+        if (!this.unsigned && this.eq(Long.MIN_VALUE))
+            return Long.MIN_VALUE;
+        return this.not().add(Long.ONE);
+    };
+    /** This is an alias of {@link Long.negate} */
+    Long.prototype.neg = function () {
+        return this.negate();
+    };
+    /** Returns the bitwise NOT of this Long. */
+    Long.prototype.not = function () {
+        return Long.fromBits(~this.low, ~this.high, this.unsigned);
+    };
+    /** Tests if this Long's value differs from the specified's. */
+    Long.prototype.notEquals = function (other) {
+        return !this.equals(other);
+    };
+    /** This is an alias of {@link Long.notEquals} */
+    Long.prototype.neq = function (other) {
+        return this.notEquals(other);
+    };
+    /** This is an alias of {@link Long.notEquals} */
+    Long.prototype.ne = function (other) {
+        return this.notEquals(other);
+    };
+    /**
+     * Returns the bitwise OR of this Long and the specified.
+     */
+    Long.prototype.or = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        return Long.fromBits(this.low | other.low, this.high | other.high, this.unsigned);
+    };
+    /**
+     * Returns this Long with bits shifted to the left by the given amount.
+     * @param numBits - Number of bits
+     * @returns Shifted Long
+     */
+    Long.prototype.shiftLeft = function (numBits) {
+        if (Long.isLong(numBits))
+            numBits = numBits.toInt();
+        if ((numBits &= 63) === 0)
+            return this;
+        else if (numBits < 32)
+            return Long.fromBits(this.low << numBits, (this.high << numBits) | (this.low >>> (32 - numBits)), this.unsigned);
+        else
+            return Long.fromBits(0, this.low << (numBits - 32), this.unsigned);
+    };
+    /** This is an alias of {@link Long.shiftLeft} */
+    Long.prototype.shl = function (numBits) {
+        return this.shiftLeft(numBits);
+    };
+    /**
+     * Returns this Long with bits arithmetically shifted to the right by the given amount.
+     * @param numBits - Number of bits
+     * @returns Shifted Long
+     */
+    Long.prototype.shiftRight = function (numBits) {
+        if (Long.isLong(numBits))
+            numBits = numBits.toInt();
+        if ((numBits &= 63) === 0)
+            return this;
+        else if (numBits < 32)
+            return Long.fromBits((this.low >>> numBits) | (this.high << (32 - numBits)), this.high >> numBits, this.unsigned);
+        else
+            return Long.fromBits(this.high >> (numBits - 32), this.high >= 0 ? 0 : -1, this.unsigned);
+    };
+    /** This is an alias of {@link Long.shiftRight} */
+    Long.prototype.shr = function (numBits) {
+        return this.shiftRight(numBits);
+    };
+    /**
+     * Returns this Long with bits logically shifted to the right by the given amount.
+     * @param numBits - Number of bits
+     * @returns Shifted Long
+     */
+    Long.prototype.shiftRightUnsigned = function (numBits) {
+        if (Long.isLong(numBits))
+            numBits = numBits.toInt();
+        numBits &= 63;
+        if (numBits === 0)
+            return this;
+        else {
+            var high = this.high;
+            if (numBits < 32) {
+                var low = this.low;
+                return Long.fromBits((low >>> numBits) | (high << (32 - numBits)), high >>> numBits, this.unsigned);
+            }
+            else if (numBits === 32)
+                return Long.fromBits(high, 0, this.unsigned);
+            else
+                return Long.fromBits(high >>> (numBits - 32), 0, this.unsigned);
+        }
+    };
+    /** This is an alias of {@link Long.shiftRightUnsigned} */
+    Long.prototype.shr_u = function (numBits) {
+        return this.shiftRightUnsigned(numBits);
+    };
+    /** This is an alias of {@link Long.shiftRightUnsigned} */
+    Long.prototype.shru = function (numBits) {
+        return this.shiftRightUnsigned(numBits);
+    };
+    /**
+     * Returns the difference of this and the specified Long.
+     * @param subtrahend - Subtrahend
+     * @returns Difference
+     */
+    Long.prototype.subtract = function (subtrahend) {
+        if (!Long.isLong(subtrahend))
+            subtrahend = Long.fromValue(subtrahend);
+        return this.add(subtrahend.neg());
+    };
+    /** This is an alias of {@link Long.subtract} */
+    Long.prototype.sub = function (subtrahend) {
+        return this.subtract(subtrahend);
+    };
+    /** Converts the Long to a 32 bit integer, assuming it is a 32 bit integer. */
+    Long.prototype.toInt = function () {
+        return this.unsigned ? this.low >>> 0 : this.low;
+    };
+    /** Converts the Long to a the nearest floating-point representation of this value (double, 53 bit mantissa). */
+    Long.prototype.toNumber = function () {
+        if (this.unsigned)
+            return (this.high >>> 0) * TWO_PWR_32_DBL + (this.low >>> 0);
+        return this.high * TWO_PWR_32_DBL + (this.low >>> 0);
+    };
+    /** Converts the Long to a BigInt (arbitrary precision). */
+    Long.prototype.toBigInt = function () {
+        return BigInt(this.toString());
+    };
+    /**
+     * Converts this Long to its byte representation.
+     * @param le - Whether little or big endian, defaults to big endian
+     * @returns Byte representation
+     */
+    Long.prototype.toBytes = function (le) {
+        return le ? this.toBytesLE() : this.toBytesBE();
+    };
+    /**
+     * Converts this Long to its little endian byte representation.
+     * @returns Little endian byte representation
+     */
+    Long.prototype.toBytesLE = function () {
+        var hi = this.high, lo = this.low;
+        return [
+            lo & 0xff,
+            (lo >>> 8) & 0xff,
+            (lo >>> 16) & 0xff,
+            lo >>> 24,
+            hi & 0xff,
+            (hi >>> 8) & 0xff,
+            (hi >>> 16) & 0xff,
+            hi >>> 24
+        ];
+    };
+    /**
+     * Converts this Long to its big endian byte representation.
+     * @returns Big endian byte representation
+     */
+    Long.prototype.toBytesBE = function () {
+        var hi = this.high, lo = this.low;
+        return [
+            hi >>> 24,
+            (hi >>> 16) & 0xff,
+            (hi >>> 8) & 0xff,
+            hi & 0xff,
+            lo >>> 24,
+            (lo >>> 16) & 0xff,
+            (lo >>> 8) & 0xff,
+            lo & 0xff
+        ];
+    };
+    /**
+     * Converts this Long to signed.
+     */
+    Long.prototype.toSigned = function () {
+        if (!this.unsigned)
+            return this;
+        return Long.fromBits(this.low, this.high, false);
+    };
+    /**
+     * Converts the Long to a string written in the specified radix.
+     * @param radix - Radix (2-36), defaults to 10
+     * @throws RangeError If `radix` is out of range
+     */
+    Long.prototype.toString = function (radix) {
+        radix = radix || 10;
+        if (radix < 2 || 36 < radix)
+            throw RangeError('radix');
+        if (this.isZero())
+            return '0';
+        if (this.isNegative()) {
+            // Unsigned Longs are never negative
+            if (this.eq(Long.MIN_VALUE)) {
+                // We need to change the Long value before it can be negated, so we remove
+                // the bottom-most digit in this base and then recurse to do the rest.
+                var radixLong = Long.fromNumber(radix), div = this.div(radixLong), rem1 = div.mul(radixLong).sub(this);
+                return div.toString(radix) + rem1.toInt().toString(radix);
+            }
+            else
+                return '-' + this.neg().toString(radix);
+        }
+        // Do several (6) digits each time through the loop, so as to
+        // minimize the calls to the very expensive emulated div.
+        var radixToPower = Long.fromNumber(Math.pow(radix, 6), this.unsigned);
+        // eslint-disable-next-line @typescript-eslint/no-this-alias
+        var rem = this;
+        var result = '';
+        // eslint-disable-next-line no-constant-condition
+        while (true) {
+            var remDiv = rem.div(radixToPower);
+            var intval = rem.sub(remDiv.mul(radixToPower)).toInt() >>> 0;
+            var digits = intval.toString(radix);
+            rem = remDiv;
+            if (rem.isZero()) {
+                return digits + result;
+            }
+            else {
+                while (digits.length < 6)
+                    digits = '0' + digits;
+                result = '' + digits + result;
+            }
+        }
+    };
+    /** Converts this Long to unsigned. */
+    Long.prototype.toUnsigned = function () {
+        if (this.unsigned)
+            return this;
+        return Long.fromBits(this.low, this.high, true);
+    };
+    /** Returns the bitwise XOR of this Long and the given one. */
+    Long.prototype.xor = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        return Long.fromBits(this.low ^ other.low, this.high ^ other.high, this.unsigned);
+    };
+    /** This is an alias of {@link Long.isZero} */
+    Long.prototype.eqz = function () {
+        return this.isZero();
+    };
+    /** This is an alias of {@link Long.lessThanOrEqual} */
+    Long.prototype.le = function (other) {
+        return this.lessThanOrEqual(other);
+    };
+    /*
+     ****************************************************************
+     *                  BSON SPECIFIC ADDITIONS                     *
+     ****************************************************************
+     */
+    Long.prototype.toExtendedJSON = function (options) {
+        if (options && options.relaxed)
+            return this.toNumber();
+        return { $numberLong: this.toString() };
+    };
+    Long.fromExtendedJSON = function (doc, options) {
+        var result = Long.fromString(doc.$numberLong);
+        return options && options.relaxed ? result.toNumber() : result;
+    };
+    /** @internal */
+    Long.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Long.prototype.inspect = function () {
+        return "new Long(\"".concat(this.toString(), "\"").concat(this.unsigned ? ', true' : '', ")");
+    };
+    Long.TWO_PWR_24 = Long.fromInt(TWO_PWR_24_DBL);
+    /** Maximum unsigned value. */
+    Long.MAX_UNSIGNED_VALUE = Long.fromBits(0xffffffff | 0, 0xffffffff | 0, true);
+    /** Signed zero */
+    Long.ZERO = Long.fromInt(0);
+    /** Unsigned zero. */
+    Long.UZERO = Long.fromInt(0, true);
+    /** Signed one. */
+    Long.ONE = Long.fromInt(1);
+    /** Unsigned one. */
+    Long.UONE = Long.fromInt(1, true);
+    /** Signed negative one. */
+    Long.NEG_ONE = Long.fromInt(-1);
+    /** Maximum signed value. */
+    Long.MAX_VALUE = Long.fromBits(0xffffffff | 0, 0x7fffffff | 0, false);
+    /** Minimum signed value. */
+    Long.MIN_VALUE = Long.fromBits(0, 0x80000000 | 0, false);
+    return Long;
+}());
+Object.defineProperty(Long.prototype, '__isLong__', { value: true });
+Object.defineProperty(Long.prototype, '_bsontype', { value: 'Long' });
+
+var PARSE_STRING_REGEXP = /^(\+|-)?(\d+|(\d*\.\d*))?(E|e)?([-+])?(\d+)?$/;
+var PARSE_INF_REGEXP = /^(\+|-)?(Infinity|inf)$/i;
+var PARSE_NAN_REGEXP = /^(\+|-)?NaN$/i;
+var EXPONENT_MAX = 6111;
+var EXPONENT_MIN = -6176;
+var EXPONENT_BIAS = 6176;
+var MAX_DIGITS = 34;
+// Nan value bits as 32 bit values (due to lack of longs)
+var NAN_BUFFER = [
+    0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+].reverse();
+// Infinity value bits 32 bit values (due to lack of longs)
+var INF_NEGATIVE_BUFFER = [
+    0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+].reverse();
+var INF_POSITIVE_BUFFER = [
+    0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+].reverse();
+var EXPONENT_REGEX = /^([-+])?(\d+)?$/;
+// Extract least significant 5 bits
+var COMBINATION_MASK = 0x1f;
+// Extract least significant 14 bits
+var EXPONENT_MASK = 0x3fff;
+// Value of combination field for Inf
+var COMBINATION_INFINITY = 30;
+// Value of combination field for NaN
+var COMBINATION_NAN = 31;
+// Detect if the value is a digit
+function isDigit(value) {
+    return !isNaN(parseInt(value, 10));
+}
+// Divide two uint128 values
+function divideu128(value) {
+    var DIVISOR = Long.fromNumber(1000 * 1000 * 1000);
+    var _rem = Long.fromNumber(0);
+    if (!value.parts[0] && !value.parts[1] && !value.parts[2] && !value.parts[3]) {
+        return { quotient: value, rem: _rem };
+    }
+    for (var i = 0; i <= 3; i++) {
+        // Adjust remainder to match value of next dividend
+        _rem = _rem.shiftLeft(32);
+        // Add the divided to _rem
+        _rem = _rem.add(new Long(value.parts[i], 0));
+        value.parts[i] = _rem.div(DIVISOR).low;
+        _rem = _rem.modulo(DIVISOR);
+    }
+    return { quotient: value, rem: _rem };
+}
+// Multiply two Long values and return the 128 bit value
+function multiply64x2(left, right) {
+    if (!left && !right) {
+        return { high: Long.fromNumber(0), low: Long.fromNumber(0) };
+    }
+    var leftHigh = left.shiftRightUnsigned(32);
+    var leftLow = new Long(left.getLowBits(), 0);
+    var rightHigh = right.shiftRightUnsigned(32);
+    var rightLow = new Long(right.getLowBits(), 0);
+    var productHigh = leftHigh.multiply(rightHigh);
+    var productMid = leftHigh.multiply(rightLow);
+    var productMid2 = leftLow.multiply(rightHigh);
+    var productLow = leftLow.multiply(rightLow);
+    productHigh = productHigh.add(productMid.shiftRightUnsigned(32));
+    productMid = new Long(productMid.getLowBits(), 0)
+        .add(productMid2)
+        .add(productLow.shiftRightUnsigned(32));
+    productHigh = productHigh.add(productMid.shiftRightUnsigned(32));
+    productLow = productMid.shiftLeft(32).add(new Long(productLow.getLowBits(), 0));
+    // Return the 128 bit result
+    return { high: productHigh, low: productLow };
+}
+function lessThan(left, right) {
+    // Make values unsigned
+    var uhleft = left.high >>> 0;
+    var uhright = right.high >>> 0;
+    // Compare high bits first
+    if (uhleft < uhright) {
+        return true;
+    }
+    else if (uhleft === uhright) {
+        var ulleft = left.low >>> 0;
+        var ulright = right.low >>> 0;
+        if (ulleft < ulright)
+            return true;
+    }
+    return false;
+}
+function invalidErr(string, message) {
+    throw new BSONTypeError("\"".concat(string, "\" is not a valid Decimal128 string - ").concat(message));
+}
+/**
+ * A class representation of the BSON Decimal128 type.
+ * @public
+ * @category BSONType
+ */
+var Decimal128 = /** @class */ (function () {
+    /**
+     * @param bytes - a buffer containing the raw Decimal128 bytes in little endian order,
+     *                or a string representation as returned by .toString()
+     */
+    function Decimal128(bytes) {
+        if (!(this instanceof Decimal128))
+            return new Decimal128(bytes);
+        if (typeof bytes === 'string') {
+            this.bytes = Decimal128.fromString(bytes).bytes;
+        }
+        else if (isUint8Array(bytes)) {
+            if (bytes.byteLength !== 16) {
+                throw new BSONTypeError('Decimal128 must take a Buffer of 16 bytes');
+            }
+            this.bytes = bytes;
+        }
+        else {
+            throw new BSONTypeError('Decimal128 must take a Buffer or string');
+        }
+    }
+    /**
+     * Create a Decimal128 instance from a string representation
+     *
+     * @param representation - a numeric string representation.
+     */
+    Decimal128.fromString = function (representation) {
+        // Parse state tracking
+        var isNegative = false;
+        var sawRadix = false;
+        var foundNonZero = false;
+        // Total number of significant digits (no leading or trailing zero)
+        var significantDigits = 0;
+        // Total number of significand digits read
+        var nDigitsRead = 0;
+        // Total number of digits (no leading zeros)
+        var nDigits = 0;
+        // The number of the digits after radix
+        var radixPosition = 0;
+        // The index of the first non-zero in *str*
+        var firstNonZero = 0;
+        // Digits Array
+        var digits = [0];
+        // The number of digits in digits
+        var nDigitsStored = 0;
+        // Insertion pointer for digits
+        var digitsInsert = 0;
+        // The index of the first non-zero digit
+        var firstDigit = 0;
+        // The index of the last digit
+        var lastDigit = 0;
+        // Exponent
+        var exponent = 0;
+        // loop index over array
+        var i = 0;
+        // The high 17 digits of the significand
+        var significandHigh = new Long(0, 0);
+        // The low 17 digits of the significand
+        var significandLow = new Long(0, 0);
+        // The biased exponent
+        var biasedExponent = 0;
+        // Read index
+        var index = 0;
+        // Naively prevent against REDOS attacks.
+        // TODO: implementing a custom parsing for this, or refactoring the regex would yield
+        //       further gains.
+        if (representation.length >= 7000) {
+            throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+        }
+        // Results
+        var stringMatch = representation.match(PARSE_STRING_REGEXP);
+        var infMatch = representation.match(PARSE_INF_REGEXP);
+        var nanMatch = representation.match(PARSE_NAN_REGEXP);
+        // Validate the string
+        if ((!stringMatch && !infMatch && !nanMatch) || representation.length === 0) {
+            throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+        }
+        if (stringMatch) {
+            // full_match = stringMatch[0]
+            // sign = stringMatch[1]
+            var unsignedNumber = stringMatch[2];
+            // stringMatch[3] is undefined if a whole number (ex "1", 12")
+            // but defined if a number w/ decimal in it (ex "1.0, 12.2")
+            var e = stringMatch[4];
+            var expSign = stringMatch[5];
+            var expNumber = stringMatch[6];
+            // they provided e, but didn't give an exponent number. for ex "1e"
+            if (e && expNumber === undefined)
+                invalidErr(representation, 'missing exponent power');
+            // they provided e, but didn't give a number before it. for ex "e1"
+            if (e && unsignedNumber === undefined)
+                invalidErr(representation, 'missing exponent base');
+            if (e === undefined && (expSign || expNumber)) {
+                invalidErr(representation, 'missing e before exponent');
+            }
+        }
+        // Get the negative or positive sign
+        if (representation[index] === '+' || representation[index] === '-') {
+            isNegative = representation[index++] === '-';
+        }
+        // Check if user passed Infinity or NaN
+        if (!isDigit(representation[index]) && representation[index] !== '.') {
+            if (representation[index] === 'i' || representation[index] === 'I') {
+                return new Decimal128(Buffer.from(isNegative ? INF_NEGATIVE_BUFFER : INF_POSITIVE_BUFFER));
+            }
+            else if (representation[index] === 'N') {
+                return new Decimal128(Buffer.from(NAN_BUFFER));
+            }
+        }
+        // Read all the digits
+        while (isDigit(representation[index]) || representation[index] === '.') {
+            if (representation[index] === '.') {
+                if (sawRadix)
+                    invalidErr(representation, 'contains multiple periods');
+                sawRadix = true;
+                index = index + 1;
+                continue;
+            }
+            if (nDigitsStored < 34) {
+                if (representation[index] !== '0' || foundNonZero) {
+                    if (!foundNonZero) {
+                        firstNonZero = nDigitsRead;
+                    }
+                    foundNonZero = true;
+                    // Only store 34 digits
+                    digits[digitsInsert++] = parseInt(representation[index], 10);
+                    nDigitsStored = nDigitsStored + 1;
+                }
+            }
+            if (foundNonZero)
+                nDigits = nDigits + 1;
+            if (sawRadix)
+                radixPosition = radixPosition + 1;
+            nDigitsRead = nDigitsRead + 1;
+            index = index + 1;
+        }
+        if (sawRadix && !nDigitsRead)
+            throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+        // Read exponent if exists
+        if (representation[index] === 'e' || representation[index] === 'E') {
+            // Read exponent digits
+            var match = representation.substr(++index).match(EXPONENT_REGEX);
+            // No digits read
+            if (!match || !match[2])
+                return new Decimal128(Buffer.from(NAN_BUFFER));
+            // Get exponent
+            exponent = parseInt(match[0], 10);
+            // Adjust the index
+            index = index + match[0].length;
+        }
+        // Return not a number
+        if (representation[index])
+            return new Decimal128(Buffer.from(NAN_BUFFER));
+        // Done reading input
+        // Find first non-zero digit in digits
+        firstDigit = 0;
+        if (!nDigitsStored) {
+            firstDigit = 0;
+            lastDigit = 0;
+            digits[0] = 0;
+            nDigits = 1;
+            nDigitsStored = 1;
+            significantDigits = 0;
+        }
+        else {
+            lastDigit = nDigitsStored - 1;
+            significantDigits = nDigits;
+            if (significantDigits !== 1) {
+                while (digits[firstNonZero + significantDigits - 1] === 0) {
+                    significantDigits = significantDigits - 1;
+                }
+            }
+        }
+        // Normalization of exponent
+        // Correct exponent based on radix position, and shift significand as needed
+        // to represent user input
+        // Overflow prevention
+        if (exponent <= radixPosition && radixPosition - exponent > 1 << 14) {
+            exponent = EXPONENT_MIN;
+        }
+        else {
+            exponent = exponent - radixPosition;
+        }
+        // Attempt to normalize the exponent
+        while (exponent > EXPONENT_MAX) {
+            // Shift exponent to significand and decrease
+            lastDigit = lastDigit + 1;
+            if (lastDigit - firstDigit > MAX_DIGITS) {
+                // Check if we have a zero then just hard clamp, otherwise fail
+                var digitsString = digits.join('');
+                if (digitsString.match(/^0+$/)) {
+                    exponent = EXPONENT_MAX;
+                    break;
+                }
+                invalidErr(representation, 'overflow');
+            }
+            exponent = exponent - 1;
+        }
+        while (exponent < EXPONENT_MIN || nDigitsStored < nDigits) {
+            // Shift last digit. can only do this if < significant digits than # stored.
+            if (lastDigit === 0 && significantDigits < nDigitsStored) {
+                exponent = EXPONENT_MIN;
+                significantDigits = 0;
+                break;
+            }
+            if (nDigitsStored < nDigits) {
+                // adjust to match digits not stored
+                nDigits = nDigits - 1;
+            }
+            else {
+                // adjust to round
+                lastDigit = lastDigit - 1;
+            }
+            if (exponent < EXPONENT_MAX) {
+                exponent = exponent + 1;
+            }
+            else {
+                // Check if we have a zero then just hard clamp, otherwise fail
+                var digitsString = digits.join('');
+                if (digitsString.match(/^0+$/)) {
+                    exponent = EXPONENT_MAX;
+                    break;
+                }
+                invalidErr(representation, 'overflow');
+            }
+        }
+        // Round
+        // We've normalized the exponent, but might still need to round.
+        if (lastDigit - firstDigit + 1 < significantDigits) {
+            var endOfString = nDigitsRead;
+            // If we have seen a radix point, 'string' is 1 longer than we have
+            // documented with ndigits_read, so inc the position of the first nonzero
+            // digit and the position that digits are read to.
+            if (sawRadix) {
+                firstNonZero = firstNonZero + 1;
+                endOfString = endOfString + 1;
+            }
+            // if negative, we need to increment again to account for - sign at start.
+            if (isNegative) {
+                firstNonZero = firstNonZero + 1;
+                endOfString = endOfString + 1;
+            }
+            var roundDigit = parseInt(representation[firstNonZero + lastDigit + 1], 10);
+            var roundBit = 0;
+            if (roundDigit >= 5) {
+                roundBit = 1;
+                if (roundDigit === 5) {
+                    roundBit = digits[lastDigit] % 2 === 1 ? 1 : 0;
+                    for (i = firstNonZero + lastDigit + 2; i < endOfString; i++) {
+                        if (parseInt(representation[i], 10)) {
+                            roundBit = 1;
+                            break;
+                        }
+                    }
+                }
+            }
+            if (roundBit) {
+                var dIdx = lastDigit;
+                for (; dIdx >= 0; dIdx--) {
+                    if (++digits[dIdx] > 9) {
+                        digits[dIdx] = 0;
+                        // overflowed most significant digit
+                        if (dIdx === 0) {
+                            if (exponent < EXPONENT_MAX) {
+                                exponent = exponent + 1;
+                                digits[dIdx] = 1;
+                            }
+                            else {
+                                return new Decimal128(Buffer.from(isNegative ? INF_NEGATIVE_BUFFER : INF_POSITIVE_BUFFER));
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        // Encode significand
+        // The high 17 digits of the significand
+        significandHigh = Long.fromNumber(0);
+        // The low 17 digits of the significand
+        significandLow = Long.fromNumber(0);
+        // read a zero
+        if (significantDigits === 0) {
+            significandHigh = Long.fromNumber(0);
+            significandLow = Long.fromNumber(0);
+        }
+        else if (lastDigit - firstDigit < 17) {
+            var dIdx = firstDigit;
+            significandLow = Long.fromNumber(digits[dIdx++]);
+            significandHigh = new Long(0, 0);
+            for (; dIdx <= lastDigit; dIdx++) {
+                significandLow = significandLow.multiply(Long.fromNumber(10));
+                significandLow = significandLow.add(Long.fromNumber(digits[dIdx]));
+            }
+        }
+        else {
+            var dIdx = firstDigit;
+            significandHigh = Long.fromNumber(digits[dIdx++]);
+            for (; dIdx <= lastDigit - 17; dIdx++) {
+                significandHigh = significandHigh.multiply(Long.fromNumber(10));
+                significandHigh = significandHigh.add(Long.fromNumber(digits[dIdx]));
+            }
+            significandLow = Long.fromNumber(digits[dIdx++]);
+            for (; dIdx <= lastDigit; dIdx++) {
+                significandLow = significandLow.multiply(Long.fromNumber(10));
+                significandLow = significandLow.add(Long.fromNumber(digits[dIdx]));
+            }
+        }
+        var significand = multiply64x2(significandHigh, Long.fromString('100000000000000000'));
+        significand.low = significand.low.add(significandLow);
+        if (lessThan(significand.low, significandLow)) {
+            significand.high = significand.high.add(Long.fromNumber(1));
+        }
+        // Biased exponent
+        biasedExponent = exponent + EXPONENT_BIAS;
+        var dec = { low: Long.fromNumber(0), high: Long.fromNumber(0) };
+        // Encode combination, exponent, and significand.
+        if (significand.high.shiftRightUnsigned(49).and(Long.fromNumber(1)).equals(Long.fromNumber(1))) {
+            // Encode '11' into bits 1 to 3
+            dec.high = dec.high.or(Long.fromNumber(0x3).shiftLeft(61));
+            dec.high = dec.high.or(Long.fromNumber(biasedExponent).and(Long.fromNumber(0x3fff).shiftLeft(47)));
+            dec.high = dec.high.or(significand.high.and(Long.fromNumber(0x7fffffffffff)));
+        }
+        else {
+            dec.high = dec.high.or(Long.fromNumber(biasedExponent & 0x3fff).shiftLeft(49));
+            dec.high = dec.high.or(significand.high.and(Long.fromNumber(0x1ffffffffffff)));
+        }
+        dec.low = significand.low;
+        // Encode sign
+        if (isNegative) {
+            dec.high = dec.high.or(Long.fromString('9223372036854775808'));
+        }
+        // Encode into a buffer
+        var buffer = Buffer.alloc(16);
+        index = 0;
+        // Encode the low 64 bits of the decimal
+        // Encode low bits
+        buffer[index++] = dec.low.low & 0xff;
+        buffer[index++] = (dec.low.low >> 8) & 0xff;
+        buffer[index++] = (dec.low.low >> 16) & 0xff;
+        buffer[index++] = (dec.low.low >> 24) & 0xff;
+        // Encode high bits
+        buffer[index++] = dec.low.high & 0xff;
+        buffer[index++] = (dec.low.high >> 8) & 0xff;
+        buffer[index++] = (dec.low.high >> 16) & 0xff;
+        buffer[index++] = (dec.low.high >> 24) & 0xff;
+        // Encode the high 64 bits of the decimal
+        // Encode low bits
+        buffer[index++] = dec.high.low & 0xff;
+        buffer[index++] = (dec.high.low >> 8) & 0xff;
+        buffer[index++] = (dec.high.low >> 16) & 0xff;
+        buffer[index++] = (dec.high.low >> 24) & 0xff;
+        // Encode high bits
+        buffer[index++] = dec.high.high & 0xff;
+        buffer[index++] = (dec.high.high >> 8) & 0xff;
+        buffer[index++] = (dec.high.high >> 16) & 0xff;
+        buffer[index++] = (dec.high.high >> 24) & 0xff;
+        // Return the new Decimal128
+        return new Decimal128(buffer);
+    };
+    /** Create a string representation of the raw Decimal128 value */
+    Decimal128.prototype.toString = function () {
+        // Note: bits in this routine are referred to starting at 0,
+        // from the sign bit, towards the coefficient.
+        // decoded biased exponent (14 bits)
+        var biased_exponent;
+        // the number of significand digits
+        var significand_digits = 0;
+        // the base-10 digits in the significand
+        var significand = new Array(36);
+        for (var i = 0; i < significand.length; i++)
+            significand[i] = 0;
+        // read pointer into significand
+        var index = 0;
+        // true if the number is zero
+        var is_zero = false;
+        // the most significant significand bits (50-46)
+        var significand_msb;
+        // temporary storage for significand decoding
+        var significand128 = { parts: [0, 0, 0, 0] };
+        // indexing variables
+        var j, k;
+        // Output string
+        var string = [];
+        // Unpack index
+        index = 0;
+        // Buffer reference
+        var buffer = this.bytes;
+        // Unpack the low 64bits into a long
+        // bits 96 - 127
+        var low = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+        // bits 64 - 95
+        var midl = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+        // Unpack the high 64bits into a long
+        // bits 32 - 63
+        var midh = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+        // bits 0 - 31
+        var high = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+        // Unpack index
+        index = 0;
+        // Create the state of the decimal
+        var dec = {
+            low: new Long(low, midl),
+            high: new Long(midh, high)
+        };
+        if (dec.high.lessThan(Long.ZERO)) {
+            string.push('-');
+        }
+        // Decode combination field and exponent
+        // bits 1 - 5
+        var combination = (high >> 26) & COMBINATION_MASK;
+        if (combination >> 3 === 3) {
+            // Check for 'special' values
+            if (combination === COMBINATION_INFINITY) {
+                return string.join('') + 'Infinity';
+            }
+            else if (combination === COMBINATION_NAN) {
+                return 'NaN';
+            }
+            else {
+                biased_exponent = (high >> 15) & EXPONENT_MASK;
+                significand_msb = 0x08 + ((high >> 14) & 0x01);
+            }
+        }
+        else {
+            significand_msb = (high >> 14) & 0x07;
+            biased_exponent = (high >> 17) & EXPONENT_MASK;
+        }
+        // unbiased exponent
+        var exponent = biased_exponent - EXPONENT_BIAS;
+        // Create string of significand digits
+        // Convert the 114-bit binary number represented by
+        // (significand_high, significand_low) to at most 34 decimal
+        // digits through modulo and division.
+        significand128.parts[0] = (high & 0x3fff) + ((significand_msb & 0xf) << 14);
+        significand128.parts[1] = midh;
+        significand128.parts[2] = midl;
+        significand128.parts[3] = low;
+        if (significand128.parts[0] === 0 &&
+            significand128.parts[1] === 0 &&
+            significand128.parts[2] === 0 &&
+            significand128.parts[3] === 0) {
+            is_zero = true;
+        }
+        else {
+            for (k = 3; k >= 0; k--) {
+                var least_digits = 0;
+                // Perform the divide
+                var result = divideu128(significand128);
+                significand128 = result.quotient;
+                least_digits = result.rem.low;
+                // We now have the 9 least significant digits (in base 2).
+                // Convert and output to string.
+                if (!least_digits)
+                    continue;
+                for (j = 8; j >= 0; j--) {
+                    // significand[k * 9 + j] = Math.round(least_digits % 10);
+                    significand[k * 9 + j] = least_digits % 10;
+                    // least_digits = Math.round(least_digits / 10);
+                    least_digits = Math.floor(least_digits / 10);
+                }
+            }
+        }
+        // Output format options:
+        // Scientific - [-]d.dddE(+/-)dd or [-]dE(+/-)dd
+        // Regular    - ddd.ddd
+        if (is_zero) {
+            significand_digits = 1;
+            significand[index] = 0;
+        }
+        else {
+            significand_digits = 36;
+            while (!significand[index]) {
+                significand_digits = significand_digits - 1;
+                index = index + 1;
+            }
+        }
+        // the exponent if scientific notation is used
+        var scientific_exponent = significand_digits - 1 + exponent;
+        // The scientific exponent checks are dictated by the string conversion
+        // specification and are somewhat arbitrary cutoffs.
+        //
+        // We must check exponent > 0, because if this is the case, the number
+        // has trailing zeros.  However, we *cannot* output these trailing zeros,
+        // because doing so would change the precision of the value, and would
+        // change stored data if the string converted number is round tripped.
+        if (scientific_exponent >= 34 || scientific_exponent <= -7 || exponent > 0) {
+            // Scientific format
+            // if there are too many significant digits, we should just be treating numbers
+            // as + or - 0 and using the non-scientific exponent (this is for the "invalid
+            // representation should be treated as 0/-0" spec cases in decimal128-1.json)
+            if (significand_digits > 34) {
+                string.push("".concat(0));
+                if (exponent > 0)
+                    string.push("E+".concat(exponent));
+                else if (exponent < 0)
+                    string.push("E".concat(exponent));
+                return string.join('');
+            }
+            string.push("".concat(significand[index++]));
+            significand_digits = significand_digits - 1;
+            if (significand_digits) {
+                string.push('.');
+            }
+            for (var i = 0; i < significand_digits; i++) {
+                string.push("".concat(significand[index++]));
+            }
+            // Exponent
+            string.push('E');
+            if (scientific_exponent > 0) {
+                string.push("+".concat(scientific_exponent));
+            }
+            else {
+                string.push("".concat(scientific_exponent));
+            }
+        }
+        else {
+            // Regular format with no decimal place
+            if (exponent >= 0) {
+                for (var i = 0; i < significand_digits; i++) {
+                    string.push("".concat(significand[index++]));
+                }
+            }
+            else {
+                var radix_position = significand_digits + exponent;
+                // non-zero digits before radix
+                if (radix_position > 0) {
+                    for (var i = 0; i < radix_position; i++) {
+                        string.push("".concat(significand[index++]));
+                    }
+                }
+                else {
+                    string.push('0');
+                }
+                string.push('.');
+                // add leading zeros after radix
+                while (radix_position++ < 0) {
+                    string.push('0');
+                }
+                for (var i = 0; i < significand_digits - Math.max(radix_position - 1, 0); i++) {
+                    string.push("".concat(significand[index++]));
+                }
+            }
+        }
+        return string.join('');
+    };
+    Decimal128.prototype.toJSON = function () {
+        return { $numberDecimal: this.toString() };
+    };
+    /** @internal */
+    Decimal128.prototype.toExtendedJSON = function () {
+        return { $numberDecimal: this.toString() };
+    };
+    /** @internal */
+    Decimal128.fromExtendedJSON = function (doc) {
+        return Decimal128.fromString(doc.$numberDecimal);
+    };
+    /** @internal */
+    Decimal128.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Decimal128.prototype.inspect = function () {
+        return "new Decimal128(\"".concat(this.toString(), "\")");
+    };
+    return Decimal128;
+}());
+Object.defineProperty(Decimal128.prototype, '_bsontype', { value: 'Decimal128' });
+
+/**
+ * A class representation of the BSON Double type.
+ * @public
+ * @category BSONType
+ */
+var Double = /** @class */ (function () {
+    /**
+     * Create a Double type
+     *
+     * @param value - the number we want to represent as a double.
+     */
+    function Double(value) {
+        if (!(this instanceof Double))
+            return new Double(value);
+        if (value instanceof Number) {
+            value = value.valueOf();
+        }
+        this.value = +value;
+    }
+    /**
+     * Access the number value.
+     *
+     * @returns returns the wrapped double number.
+     */
+    Double.prototype.valueOf = function () {
+        return this.value;
+    };
+    Double.prototype.toJSON = function () {
+        return this.value;
+    };
+    Double.prototype.toString = function (radix) {
+        return this.value.toString(radix);
+    };
+    /** @internal */
+    Double.prototype.toExtendedJSON = function (options) {
+        if (options && (options.legacy || (options.relaxed && isFinite(this.value)))) {
+            return this.value;
+        }
+        // NOTE: JavaScript has +0 and -0, apparently to model limit calculations. If a user
+        // explicitly provided `-0` then we need to ensure the sign makes it into the output
+        if (Object.is(Math.sign(this.value), -0)) {
+            return { $numberDouble: "-".concat(this.value.toFixed(1)) };
+        }
+        var $numberDouble;
+        if (Number.isInteger(this.value)) {
+            $numberDouble = this.value.toFixed(1);
+            if ($numberDouble.length >= 13) {
+                $numberDouble = this.value.toExponential(13).toUpperCase();
+            }
+        }
+        else {
+            $numberDouble = this.value.toString();
+        }
+        return { $numberDouble: $numberDouble };
+    };
+    /** @internal */
+    Double.fromExtendedJSON = function (doc, options) {
+        var doubleValue = parseFloat(doc.$numberDouble);
+        return options && options.relaxed ? doubleValue : new Double(doubleValue);
+    };
+    /** @internal */
+    Double.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Double.prototype.inspect = function () {
+        var eJSON = this.toExtendedJSON();
+        return "new Double(".concat(eJSON.$numberDouble, ")");
+    };
+    return Double;
+}());
+Object.defineProperty(Double.prototype, '_bsontype', { value: 'Double' });
+
+/**
+ * A class representation of a BSON Int32 type.
+ * @public
+ * @category BSONType
+ */
+var Int32 = /** @class */ (function () {
+    /**
+     * Create an Int32 type
+     *
+     * @param value - the number we want to represent as an int32.
+     */
+    function Int32(value) {
+        if (!(this instanceof Int32))
+            return new Int32(value);
+        if (value instanceof Number) {
+            value = value.valueOf();
+        }
+        this.value = +value | 0;
+    }
+    /**
+     * Access the number value.
+     *
+     * @returns returns the wrapped int32 number.
+     */
+    Int32.prototype.valueOf = function () {
+        return this.value;
+    };
+    Int32.prototype.toString = function (radix) {
+        return this.value.toString(radix);
+    };
+    Int32.prototype.toJSON = function () {
+        return this.value;
+    };
+    /** @internal */
+    Int32.prototype.toExtendedJSON = function (options) {
+        if (options && (options.relaxed || options.legacy))
+            return this.value;
+        return { $numberInt: this.value.toString() };
+    };
+    /** @internal */
+    Int32.fromExtendedJSON = function (doc, options) {
+        return options && options.relaxed ? parseInt(doc.$numberInt, 10) : new Int32(doc.$numberInt);
+    };
+    /** @internal */
+    Int32.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Int32.prototype.inspect = function () {
+        return "new Int32(".concat(this.valueOf(), ")");
+    };
+    return Int32;
+}());
+Object.defineProperty(Int32.prototype, '_bsontype', { value: 'Int32' });
+
+/**
+ * A class representation of the BSON MaxKey type.
+ * @public
+ * @category BSONType
+ */
+var MaxKey = /** @class */ (function () {
+    function MaxKey() {
+        if (!(this instanceof MaxKey))
+            return new MaxKey();
+    }
+    /** @internal */
+    MaxKey.prototype.toExtendedJSON = function () {
+        return { $maxKey: 1 };
+    };
+    /** @internal */
+    MaxKey.fromExtendedJSON = function () {
+        return new MaxKey();
+    };
+    /** @internal */
+    MaxKey.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    MaxKey.prototype.inspect = function () {
+        return 'new MaxKey()';
+    };
+    return MaxKey;
+}());
+Object.defineProperty(MaxKey.prototype, '_bsontype', { value: 'MaxKey' });
+
+/**
+ * A class representation of the BSON MinKey type.
+ * @public
+ * @category BSONType
+ */
+var MinKey = /** @class */ (function () {
+    function MinKey() {
+        if (!(this instanceof MinKey))
+            return new MinKey();
+    }
+    /** @internal */
+    MinKey.prototype.toExtendedJSON = function () {
+        return { $minKey: 1 };
+    };
+    /** @internal */
+    MinKey.fromExtendedJSON = function () {
+        return new MinKey();
+    };
+    /** @internal */
+    MinKey.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    MinKey.prototype.inspect = function () {
+        return 'new MinKey()';
+    };
+    return MinKey;
+}());
+Object.defineProperty(MinKey.prototype, '_bsontype', { value: 'MinKey' });
+
+// Regular expression that checks for hex value
+var checkForHexRegExp = new RegExp('^[0-9a-fA-F]{24}$');
+// Unique sequence for the current process (initialized on first use)
+var PROCESS_UNIQUE = null;
+var kId = Symbol('id');
+/**
+ * A class representation of the BSON ObjectId type.
+ * @public
+ * @category BSONType
+ */
+var ObjectId = /** @class */ (function () {
+    /**
+     * Create an ObjectId type
+     *
+     * @param inputId - Can be a 24 character hex string, 12 byte binary Buffer, or a number.
+     */
+    function ObjectId(inputId) {
+        if (!(this instanceof ObjectId))
+            return new ObjectId(inputId);
+        // workingId is set based on type of input and whether valid id exists for the input
+        var workingId;
+        if (typeof inputId === 'object' && inputId && 'id' in inputId) {
+            if (typeof inputId.id !== 'string' && !ArrayBuffer.isView(inputId.id)) {
+                throw new BSONTypeError('Argument passed in must have an id that is of type string or Buffer');
+            }
+            if ('toHexString' in inputId && typeof inputId.toHexString === 'function') {
+                workingId = Buffer.from(inputId.toHexString(), 'hex');
+            }
+            else {
+                workingId = inputId.id;
+            }
+        }
+        else {
+            workingId = inputId;
+        }
+        // the following cases use workingId to construct an ObjectId
+        if (workingId == null || typeof workingId === 'number') {
+            // The most common use case (blank id, new objectId instance)
+            // Generate a new id
+            this[kId] = ObjectId.generate(typeof workingId === 'number' ? workingId : undefined);
+        }
+        else if (ArrayBuffer.isView(workingId) && workingId.byteLength === 12) {
+            // If intstanceof matches we can escape calling ensure buffer in Node.js environments
+            this[kId] = workingId instanceof Buffer ? workingId : ensureBuffer(workingId);
+        }
+        else if (typeof workingId === 'string') {
+            if (workingId.length === 12) {
+                var bytes = Buffer.from(workingId);
+                if (bytes.byteLength === 12) {
+                    this[kId] = bytes;
+                }
+                else {
+                    throw new BSONTypeError('Argument passed in must be a string of 12 bytes');
+                }
+            }
+            else if (workingId.length === 24 && checkForHexRegExp.test(workingId)) {
+                this[kId] = Buffer.from(workingId, 'hex');
+            }
+            else {
+                throw new BSONTypeError('Argument passed in must be a string of 12 bytes or a string of 24 hex characters or an integer');
+            }
+        }
+        else {
+            throw new BSONTypeError('Argument passed in does not match the accepted types');
+        }
+        // If we are caching the hex string
+        if (ObjectId.cacheHexString) {
+            this.__id = this.id.toString('hex');
+        }
+    }
+    Object.defineProperty(ObjectId.prototype, "id", {
+        /**
+         * The ObjectId bytes
+         * @readonly
+         */
+        get: function () {
+            return this[kId];
+        },
+        set: function (value) {
+            this[kId] = value;
+            if (ObjectId.cacheHexString) {
+                this.__id = value.toString('hex');
+            }
+        },
+        enumerable: false,
+        configurable: true
+    });
+    Object.defineProperty(ObjectId.prototype, "generationTime", {
+        /**
+         * The generation time of this ObjectId instance
+         * @deprecated Please use getTimestamp / createFromTime which returns an int32 epoch
+         */
+        get: function () {
+            return this.id.readInt32BE(0);
+        },
+        set: function (value) {
+            // Encode time into first 4 bytes
+            this.id.writeUInt32BE(value, 0);
+        },
+        enumerable: false,
+        configurable: true
+    });
+    /** Returns the ObjectId id as a 24 character hex string representation */
+    ObjectId.prototype.toHexString = function () {
+        if (ObjectId.cacheHexString && this.__id) {
+            return this.__id;
+        }
+        var hexString = this.id.toString('hex');
+        if (ObjectId.cacheHexString && !this.__id) {
+            this.__id = hexString;
+        }
+        return hexString;
+    };
+    /**
+     * Update the ObjectId index
+     * @privateRemarks
+     * Used in generating new ObjectId's on the driver
+     * @internal
+     */
+    ObjectId.getInc = function () {
+        return (ObjectId.index = (ObjectId.index + 1) % 0xffffff);
+    };
+    /**
+     * Generate a 12 byte id buffer used in ObjectId's
+     *
+     * @param time - pass in a second based timestamp.
+     */
+    ObjectId.generate = function (time) {
+        if ('number' !== typeof time) {
+            time = Math.floor(Date.now() / 1000);
+        }
+        var inc = ObjectId.getInc();
+        var buffer = Buffer.alloc(12);
+        // 4-byte timestamp
+        buffer.writeUInt32BE(time, 0);
+        // set PROCESS_UNIQUE if yet not initialized
+        if (PROCESS_UNIQUE === null) {
+            PROCESS_UNIQUE = randomBytes(5);
+        }
+        // 5-byte process unique
+        buffer[4] = PROCESS_UNIQUE[0];
+        buffer[5] = PROCESS_UNIQUE[1];
+        buffer[6] = PROCESS_UNIQUE[2];
+        buffer[7] = PROCESS_UNIQUE[3];
+        buffer[8] = PROCESS_UNIQUE[4];
+        // 3-byte counter
+        buffer[11] = inc & 0xff;
+        buffer[10] = (inc >> 8) & 0xff;
+        buffer[9] = (inc >> 16) & 0xff;
+        return buffer;
+    };
+    /**
+     * Converts the id into a 24 character hex string for printing
+     *
+     * @param format - The Buffer toString format parameter.
+     */
+    ObjectId.prototype.toString = function (format) {
+        // Is the id a buffer then use the buffer toString method to return the format
+        if (format)
+            return this.id.toString(format);
+        return this.toHexString();
+    };
+    /** Converts to its JSON the 24 character hex string representation. */
+    ObjectId.prototype.toJSON = function () {
+        return this.toHexString();
+    };
+    /**
+     * Compares the equality of this ObjectId with `otherID`.
+     *
+     * @param otherId - ObjectId instance to compare against.
+     */
+    ObjectId.prototype.equals = function (otherId) {
+        if (otherId === undefined || otherId === null) {
+            return false;
+        }
+        if (otherId instanceof ObjectId) {
+            return this[kId][11] === otherId[kId][11] && this[kId].equals(otherId[kId]);
+        }
+        if (typeof otherId === 'string' &&
+            ObjectId.isValid(otherId) &&
+            otherId.length === 12 &&
+            isUint8Array(this.id)) {
+            return otherId === Buffer.prototype.toString.call(this.id, 'latin1');
+        }
+        if (typeof otherId === 'string' && ObjectId.isValid(otherId) && otherId.length === 24) {
+            return otherId.toLowerCase() === this.toHexString();
+        }
+        if (typeof otherId === 'string' && ObjectId.isValid(otherId) && otherId.length === 12) {
+            return Buffer.from(otherId).equals(this.id);
+        }
+        if (typeof otherId === 'object' &&
+            'toHexString' in otherId &&
+            typeof otherId.toHexString === 'function') {
+            var otherIdString = otherId.toHexString();
+            var thisIdString = this.toHexString().toLowerCase();
+            return typeof otherIdString === 'string' && otherIdString.toLowerCase() === thisIdString;
+        }
+        return false;
+    };
+    /** Returns the generation date (accurate up to the second) that this ID was generated. */
+    ObjectId.prototype.getTimestamp = function () {
+        var timestamp = new Date();
+        var time = this.id.readUInt32BE(0);
+        timestamp.setTime(Math.floor(time) * 1000);
+        return timestamp;
+    };
+    /** @internal */
+    ObjectId.createPk = function () {
+        return new ObjectId();
+    };
+    /**
+     * Creates an ObjectId from a second based number, with the rest of the ObjectId zeroed out. Used for comparisons or sorting the ObjectId.
+     *
+     * @param time - an integer number representing a number of seconds.
+     */
+    ObjectId.createFromTime = function (time) {
+        var buffer = Buffer.from([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]);
+        // Encode time into first 4 bytes
+        buffer.writeUInt32BE(time, 0);
+        // Return the new objectId
+        return new ObjectId(buffer);
+    };
+    /**
+     * Creates an ObjectId from a hex string representation of an ObjectId.
+     *
+     * @param hexString - create a ObjectId from a passed in 24 character hexstring.
+     */
+    ObjectId.createFromHexString = function (hexString) {
+        // Throw an error if it's not a valid setup
+        if (typeof hexString === 'undefined' || (hexString != null && hexString.length !== 24)) {
+            throw new BSONTypeError('Argument passed in must be a single String of 12 bytes or a string of 24 hex characters');
+        }
+        return new ObjectId(Buffer.from(hexString, 'hex'));
+    };
+    /**
+     * Checks if a value is a valid bson ObjectId
+     *
+     * @param id - ObjectId instance to validate.
+     */
+    ObjectId.isValid = function (id) {
+        if (id == null)
+            return false;
+        try {
+            new ObjectId(id);
+            return true;
+        }
+        catch (_a) {
+            return false;
+        }
+    };
+    /** @internal */
+    ObjectId.prototype.toExtendedJSON = function () {
+        if (this.toHexString)
+            return { $oid: this.toHexString() };
+        return { $oid: this.toString('hex') };
+    };
+    /** @internal */
+    ObjectId.fromExtendedJSON = function (doc) {
+        return new ObjectId(doc.$oid);
+    };
+    /**
+     * Converts to a string representation of this Id.
+     *
+     * @returns return the 24 character hex string representation.
+     * @internal
+     */
+    ObjectId.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    ObjectId.prototype.inspect = function () {
+        return "new ObjectId(\"".concat(this.toHexString(), "\")");
+    };
+    /** @internal */
+    ObjectId.index = Math.floor(Math.random() * 0xffffff);
+    return ObjectId;
+}());
+// Deprecated methods
+Object.defineProperty(ObjectId.prototype, 'generate', {
+    value: deprecate(function (time) { return ObjectId.generate(time); }, 'Please use the static `ObjectId.generate(time)` instead')
+});
+Object.defineProperty(ObjectId.prototype, 'getInc', {
+    value: deprecate(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+});
+Object.defineProperty(ObjectId.prototype, 'get_inc', {
+    value: deprecate(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+});
+Object.defineProperty(ObjectId, 'get_inc', {
+    value: deprecate(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+});
+Object.defineProperty(ObjectId.prototype, '_bsontype', { value: 'ObjectID' });
+
+function alphabetize(str) {
+    return str.split('').sort().join('');
+}
+/**
+ * A class representation of the BSON RegExp type.
+ * @public
+ * @category BSONType
+ */
+var BSONRegExp = /** @class */ (function () {
+    /**
+     * @param pattern - The regular expression pattern to match
+     * @param options - The regular expression options
+     */
+    function BSONRegExp(pattern, options) {
+        if (!(this instanceof BSONRegExp))
+            return new BSONRegExp(pattern, options);
+        this.pattern = pattern;
+        this.options = alphabetize(options !== null && options !== void 0 ? options : '');
+        if (this.pattern.indexOf('\x00') !== -1) {
+            throw new BSONError("BSON Regex patterns cannot contain null bytes, found: ".concat(JSON.stringify(this.pattern)));
+        }
+        if (this.options.indexOf('\x00') !== -1) {
+            throw new BSONError("BSON Regex options cannot contain null bytes, found: ".concat(JSON.stringify(this.options)));
+        }
+        // Validate options
+        for (var i = 0; i < this.options.length; i++) {
+            if (!(this.options[i] === 'i' ||
+                this.options[i] === 'm' ||
+                this.options[i] === 'x' ||
+                this.options[i] === 'l' ||
+                this.options[i] === 's' ||
+                this.options[i] === 'u')) {
+                throw new BSONError("The regular expression option [".concat(this.options[i], "] is not supported"));
+            }
+        }
+    }
+    BSONRegExp.parseOptions = function (options) {
+        return options ? options.split('').sort().join('') : '';
+    };
+    /** @internal */
+    BSONRegExp.prototype.toExtendedJSON = function (options) {
+        options = options || {};
+        if (options.legacy) {
+            return { $regex: this.pattern, $options: this.options };
+        }
+        return { $regularExpression: { pattern: this.pattern, options: this.options } };
+    };
+    /** @internal */
+    BSONRegExp.fromExtendedJSON = function (doc) {
+        if ('$regex' in doc) {
+            if (typeof doc.$regex !== 'string') {
+                // This is for $regex query operators that have extended json values.
+                if (doc.$regex._bsontype === 'BSONRegExp') {
+                    return doc;
+                }
+            }
+            else {
+                return new BSONRegExp(doc.$regex, BSONRegExp.parseOptions(doc.$options));
+            }
+        }
+        if ('$regularExpression' in doc) {
+            return new BSONRegExp(doc.$regularExpression.pattern, BSONRegExp.parseOptions(doc.$regularExpression.options));
+        }
+        throw new BSONTypeError("Unexpected BSONRegExp EJSON object form: ".concat(JSON.stringify(doc)));
+    };
+    return BSONRegExp;
+}());
+Object.defineProperty(BSONRegExp.prototype, '_bsontype', { value: 'BSONRegExp' });
+
+/**
+ * A class representation of the BSON Symbol type.
+ * @public
+ * @category BSONType
+ */
+var BSONSymbol = /** @class */ (function () {
+    /**
+     * @param value - the string representing the symbol.
+     */
+    function BSONSymbol(value) {
+        if (!(this instanceof BSONSymbol))
+            return new BSONSymbol(value);
+        this.value = value;
+    }
+    /** Access the wrapped string value. */
+    BSONSymbol.prototype.valueOf = function () {
+        return this.value;
+    };
+    BSONSymbol.prototype.toString = function () {
+        return this.value;
+    };
+    /** @internal */
+    BSONSymbol.prototype.inspect = function () {
+        return "new BSONSymbol(\"".concat(this.value, "\")");
+    };
+    BSONSymbol.prototype.toJSON = function () {
+        return this.value;
+    };
+    /** @internal */
+    BSONSymbol.prototype.toExtendedJSON = function () {
+        return { $symbol: this.value };
+    };
+    /** @internal */
+    BSONSymbol.fromExtendedJSON = function (doc) {
+        return new BSONSymbol(doc.$symbol);
+    };
+    /** @internal */
+    BSONSymbol.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    return BSONSymbol;
+}());
+Object.defineProperty(BSONSymbol.prototype, '_bsontype', { value: 'Symbol' });
+
+/** @public */
+var LongWithoutOverridesClass = Long;
+/**
+ * @public
+ * @category BSONType
+ * */
+var Timestamp = /** @class */ (function (_super) {
+    __extends(Timestamp, _super);
+    function Timestamp(low, high) {
+        var _this = this;
+        // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+        // @ts-expect-error
+        if (!(_this instanceof Timestamp))
+            return new Timestamp(low, high);
+        if (Long.isLong(low)) {
+            _this = _super.call(this, low.low, low.high, true) || this;
+        }
+        else if (isObjectLike(low) && typeof low.t !== 'undefined' && typeof low.i !== 'undefined') {
+            _this = _super.call(this, low.i, low.t, true) || this;
+        }
+        else {
+            _this = _super.call(this, low, high, true) || this;
+        }
+        Object.defineProperty(_this, '_bsontype', {
+            value: 'Timestamp',
+            writable: false,
+            configurable: false,
+            enumerable: false
+        });
+        return _this;
+    }
+    Timestamp.prototype.toJSON = function () {
+        return {
+            $timestamp: this.toString()
+        };
+    };
+    /** Returns a Timestamp represented by the given (32-bit) integer value. */
+    Timestamp.fromInt = function (value) {
+        return new Timestamp(Long.fromInt(value, true));
+    };
+    /** Returns a Timestamp representing the given number value, provided that it is a finite number. Otherwise, zero is returned. */
+    Timestamp.fromNumber = function (value) {
+        return new Timestamp(Long.fromNumber(value, true));
+    };
+    /**
+     * Returns a Timestamp for the given high and low bits. Each is assumed to use 32 bits.
+     *
+     * @param lowBits - the low 32-bits.
+     * @param highBits - the high 32-bits.
+     */
+    Timestamp.fromBits = function (lowBits, highBits) {
+        return new Timestamp(lowBits, highBits);
+    };
+    /**
+     * Returns a Timestamp from the given string, optionally using the given radix.
+     *
+     * @param str - the textual representation of the Timestamp.
+     * @param optRadix - the radix in which the text is written.
+     */
+    Timestamp.fromString = function (str, optRadix) {
+        return new Timestamp(Long.fromString(str, true, optRadix));
+    };
+    /** @internal */
+    Timestamp.prototype.toExtendedJSON = function () {
+        return { $timestamp: { t: this.high >>> 0, i: this.low >>> 0 } };
+    };
+    /** @internal */
+    Timestamp.fromExtendedJSON = function (doc) {
+        return new Timestamp(doc.$timestamp);
+    };
+    /** @internal */
+    Timestamp.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Timestamp.prototype.inspect = function () {
+        return "new Timestamp({ t: ".concat(this.getHighBits(), ", i: ").concat(this.getLowBits(), " })");
+    };
+    Timestamp.MAX_VALUE = Long.MAX_UNSIGNED_VALUE;
+    return Timestamp;
+}(LongWithoutOverridesClass));
+
+function isBSONType(value) {
+    return (isObjectLike(value) && Reflect.has(value, '_bsontype') && typeof value._bsontype === 'string');
+}
+// INT32 boundaries
+var BSON_INT32_MAX = 0x7fffffff;
+var BSON_INT32_MIN = -0x80000000;
+// INT64 boundaries
+// const BSON_INT64_MAX = 0x7fffffffffffffff; // TODO(NODE-4377): This number cannot be precisely represented in JS
+var BSON_INT64_MAX = 0x8000000000000000;
+var BSON_INT64_MIN = -0x8000000000000000;
+// all the types where we don't need to do any special processing and can just pass the EJSON
+//straight to type.fromExtendedJSON
+var keysToCodecs = {
+    $oid: ObjectId,
+    $binary: Binary,
+    $uuid: Binary,
+    $symbol: BSONSymbol,
+    $numberInt: Int32,
+    $numberDecimal: Decimal128,
+    $numberDouble: Double,
+    $numberLong: Long,
+    $minKey: MinKey,
+    $maxKey: MaxKey,
+    $regex: BSONRegExp,
+    $regularExpression: BSONRegExp,
+    $timestamp: Timestamp
+};
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function deserializeValue(value, options) {
+    if (options === void 0) { options = {}; }
+    if (typeof value === 'number') {
+        if (options.relaxed || options.legacy) {
+            return value;
+        }
+        // if it's an integer, should interpret as smallest BSON integer
+        // that can represent it exactly. (if out of range, interpret as double.)
+        if (Math.floor(value) === value) {
+            if (value >= BSON_INT32_MIN && value <= BSON_INT32_MAX)
+                return new Int32(value);
+            if (value >= BSON_INT64_MIN && value <= BSON_INT64_MAX)
+                return Long.fromNumber(value);
+        }
+        // If the number is a non-integer or out of integer range, should interpret as BSON Double.
+        return new Double(value);
+    }
+    // from here on out we're looking for bson types, so bail if its not an object
+    if (value == null || typeof value !== 'object')
+        return value;
+    // upgrade deprecated undefined to null
+    if (value.$undefined)
+        return null;
+    var keys = Object.keys(value).filter(function (k) { return k.startsWith('$') && value[k] != null; });
+    for (var i = 0; i < keys.length; i++) {
+        var c = keysToCodecs[keys[i]];
+        if (c)
+            return c.fromExtendedJSON(value, options);
+    }
+    if (value.$date != null) {
+        var d = value.$date;
+        var date = new Date();
+        if (options.legacy) {
+            if (typeof d === 'number')
+                date.setTime(d);
+            else if (typeof d === 'string')
+                date.setTime(Date.parse(d));
+        }
+        else {
+            if (typeof d === 'string')
+                date.setTime(Date.parse(d));
+            else if (Long.isLong(d))
+                date.setTime(d.toNumber());
+            else if (typeof d === 'number' && options.relaxed)
+                date.setTime(d);
+        }
+        return date;
+    }
+    if (value.$code != null) {
+        var copy = Object.assign({}, value);
+        if (value.$scope) {
+            copy.$scope = deserializeValue(value.$scope);
+        }
+        return Code.fromExtendedJSON(value);
+    }
+    if (isDBRefLike(value) || value.$dbPointer) {
+        var v = value.$ref ? value : value.$dbPointer;
+        // we run into this in a "degenerate EJSON" case (with $id and $ref order flipped)
+        // because of the order JSON.parse goes through the document
+        if (v instanceof DBRef)
+            return v;
+        var dollarKeys = Object.keys(v).filter(function (k) { return k.startsWith('$'); });
+        var valid_1 = true;
+        dollarKeys.forEach(function (k) {
+            if (['$ref', '$id', '$db'].indexOf(k) === -1)
+                valid_1 = false;
+        });
+        // only make DBRef if $ keys are all valid
+        if (valid_1)
+            return DBRef.fromExtendedJSON(v);
+    }
+    return value;
+}
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function serializeArray(array, options) {
+    return array.map(function (v, index) {
+        options.seenObjects.push({ propertyName: "index ".concat(index), obj: null });
+        try {
+            return serializeValue(v, options);
+        }
+        finally {
+            options.seenObjects.pop();
+        }
+    });
+}
+function getISOString(date) {
+    var isoStr = date.toISOString();
+    // we should only show milliseconds in timestamp if they're non-zero
+    return date.getUTCMilliseconds() !== 0 ? isoStr : isoStr.slice(0, -5) + 'Z';
+}
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function serializeValue(value, options) {
+    if ((typeof value === 'object' || typeof value === 'function') && value !== null) {
+        var index = options.seenObjects.findIndex(function (entry) { return entry.obj === value; });
+        if (index !== -1) {
+            var props = options.seenObjects.map(function (entry) { return entry.propertyName; });
+            var leadingPart = props
+                .slice(0, index)
+                .map(function (prop) { return "".concat(prop, " -> "); })
+                .join('');
+            var alreadySeen = props[index];
+            var circularPart = ' -> ' +
+                props
+                    .slice(index + 1, props.length - 1)
+                    .map(function (prop) { return "".concat(prop, " -> "); })
+                    .join('');
+            var current = props[props.length - 1];
+            var leadingSpace = ' '.repeat(leadingPart.length + alreadySeen.length / 2);
+            var dashes = '-'.repeat(circularPart.length + (alreadySeen.length + current.length) / 2 - 1);
+            throw new BSONTypeError('Converting circular structure to EJSON:\n' +
+                "    ".concat(leadingPart).concat(alreadySeen).concat(circularPart).concat(current, "\n") +
+                "    ".concat(leadingSpace, "\\").concat(dashes, "/"));
+        }
+        options.seenObjects[options.seenObjects.length - 1].obj = value;
+    }
+    if (Array.isArray(value))
+        return serializeArray(value, options);
+    if (value === undefined)
+        return null;
+    if (value instanceof Date || isDate(value)) {
+        var dateNum = value.getTime(), 
+        // is it in year range 1970-9999?
+        inRange = dateNum > -1 && dateNum < 253402318800000;
+        if (options.legacy) {
+            return options.relaxed && inRange
+                ? { $date: value.getTime() }
+                : { $date: getISOString(value) };
+        }
+        return options.relaxed && inRange
+            ? { $date: getISOString(value) }
+            : { $date: { $numberLong: value.getTime().toString() } };
+    }
+    if (typeof value === 'number' && (!options.relaxed || !isFinite(value))) {
+        // it's an integer
+        if (Math.floor(value) === value) {
+            var int32Range = value >= BSON_INT32_MIN && value <= BSON_INT32_MAX, int64Range = value >= BSON_INT64_MIN && value <= BSON_INT64_MAX;
+            // interpret as being of the smallest BSON integer type that can represent the number exactly
+            if (int32Range)
+                return { $numberInt: value.toString() };
+            if (int64Range)
+                return { $numberLong: value.toString() };
+        }
+        return { $numberDouble: value.toString() };
+    }
+    if (value instanceof RegExp || isRegExp(value)) {
+        var flags = value.flags;
+        if (flags === undefined) {
+            var match = value.toString().match(/[gimuy]*$/);
+            if (match) {
+                flags = match[0];
+            }
+        }
+        var rx = new BSONRegExp(value.source, flags);
+        return rx.toExtendedJSON(options);
+    }
+    if (value != null && typeof value === 'object')
+        return serializeDocument(value, options);
+    return value;
+}
+var BSON_TYPE_MAPPINGS = {
+    Binary: function (o) { return new Binary(o.value(), o.sub_type); },
+    Code: function (o) { return new Code(o.code, o.scope); },
+    DBRef: function (o) { return new DBRef(o.collection || o.namespace, o.oid, o.db, o.fields); },
+    Decimal128: function (o) { return new Decimal128(o.bytes); },
+    Double: function (o) { return new Double(o.value); },
+    Int32: function (o) { return new Int32(o.value); },
+    Long: function (o) {
+        return Long.fromBits(
+        // underscore variants for 1.x backwards compatibility
+        o.low != null ? o.low : o.low_, o.low != null ? o.high : o.high_, o.low != null ? o.unsigned : o.unsigned_);
+    },
+    MaxKey: function () { return new MaxKey(); },
+    MinKey: function () { return new MinKey(); },
+    ObjectID: function (o) { return new ObjectId(o); },
+    ObjectId: function (o) { return new ObjectId(o); },
+    BSONRegExp: function (o) { return new BSONRegExp(o.pattern, o.options); },
+    Symbol: function (o) { return new BSONSymbol(o.value); },
+    Timestamp: function (o) { return Timestamp.fromBits(o.low, o.high); }
+};
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function serializeDocument(doc, options) {
+    if (doc == null || typeof doc !== 'object')
+        throw new BSONError('not an object instance');
+    var bsontype = doc._bsontype;
+    if (typeof bsontype === 'undefined') {
+        // It's a regular object. Recursively serialize its property values.
+        var _doc = {};
+        for (var name in doc) {
+            options.seenObjects.push({ propertyName: name, obj: null });
+            try {
+                var value = serializeValue(doc[name], options);
+                if (name === '__proto__') {
+                    Object.defineProperty(_doc, name, {
+                        value: value,
+                        writable: true,
+                        enumerable: true,
+                        configurable: true
+                    });
+                }
+                else {
+                    _doc[name] = value;
+                }
+            }
+            finally {
+                options.seenObjects.pop();
+            }
+        }
+        return _doc;
+    }
+    else if (isBSONType(doc)) {
+        // the "document" is really just a BSON type object
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+        var outDoc = doc;
+        if (typeof outDoc.toExtendedJSON !== 'function') {
+            // There's no EJSON serialization function on the object. It's probably an
+            // object created by a previous version of this library (or another library)
+            // that's duck-typing objects to look like they were generated by this library).
+            // Copy the object into this library's version of that type.
+            var mapper = BSON_TYPE_MAPPINGS[doc._bsontype];
+            if (!mapper) {
+                throw new BSONTypeError('Unrecognized or invalid _bsontype: ' + doc._bsontype);
+            }
+            outDoc = mapper(outDoc);
+        }
+        // Two BSON types may have nested objects that may need to be serialized too
+        if (bsontype === 'Code' && outDoc.scope) {
+            outDoc = new Code(outDoc.code, serializeValue(outDoc.scope, options));
+        }
+        else if (bsontype === 'DBRef' && outDoc.oid) {
+            outDoc = new DBRef(serializeValue(outDoc.collection, options), serializeValue(outDoc.oid, options), serializeValue(outDoc.db, options), serializeValue(outDoc.fields, options));
+        }
+        return outDoc.toExtendedJSON(options);
+    }
+    else {
+        throw new BSONError('_bsontype must be a string, but was: ' + typeof bsontype);
+    }
+}
+/**
+ * EJSON parse / stringify API
+ * @public
+ */
+// the namespace here is used to emulate `export * as EJSON from '...'`
+// which as of now (sept 2020) api-extractor does not support
+// eslint-disable-next-line @typescript-eslint/no-namespace
+var EJSON;
+(function (EJSON) {
+    /**
+     * Parse an Extended JSON string, constructing the JavaScript value or object described by that
+     * string.
+     *
+     * @example
+     * ```js
+     * const { EJSON } = require('bson');
+     * const text = '{ "int32": { "$numberInt": "10" } }';
+     *
+     * // prints { int32: { [String: '10'] _bsontype: 'Int32', value: '10' } }
+     * console.log(EJSON.parse(text, { relaxed: false }));
+     *
+     * // prints { int32: 10 }
+     * console.log(EJSON.parse(text));
+     * ```
+     */
+    function parse(text, options) {
+        var finalOptions = Object.assign({}, { relaxed: true, legacy: false }, options);
+        // relaxed implies not strict
+        if (typeof finalOptions.relaxed === 'boolean')
+            finalOptions.strict = !finalOptions.relaxed;
+        if (typeof finalOptions.strict === 'boolean')
+            finalOptions.relaxed = !finalOptions.strict;
+        return JSON.parse(text, function (key, value) {
+            if (key.indexOf('\x00') !== -1) {
+                throw new BSONError("BSON Document field names cannot contain null bytes, found: ".concat(JSON.stringify(key)));
+            }
+            return deserializeValue(value, finalOptions);
+        });
+    }
+    EJSON.parse = parse;
+    /**
+     * Converts a BSON document to an Extended JSON string, optionally replacing values if a replacer
+     * function is specified or optionally including only the specified properties if a replacer array
+     * is specified.
+     *
+     * @param value - The value to convert to extended JSON
+     * @param replacer - A function that alters the behavior of the stringification process, or an array of String and Number objects that serve as a whitelist for selecting/filtering the properties of the value object to be included in the JSON string. If this value is null or not provided, all properties of the object are included in the resulting JSON string
+     * @param space - A String or Number object that's used to insert white space into the output JSON string for readability purposes.
+     * @param options - Optional settings
+     *
+     * @example
+     * ```js
+     * const { EJSON } = require('bson');
+     * const Int32 = require('mongodb').Int32;
+     * const doc = { int32: new Int32(10) };
+     *
+     * // prints '{"int32":{"$numberInt":"10"}}'
+     * console.log(EJSON.stringify(doc, { relaxed: false }));
+     *
+     * // prints '{"int32":10}'
+     * console.log(EJSON.stringify(doc));
+     * ```
+     */
+    function stringify(value, 
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    replacer, space, options) {
+        if (space != null && typeof space === 'object') {
+            options = space;
+            space = 0;
+        }
+        if (replacer != null && typeof replacer === 'object' && !Array.isArray(replacer)) {
+            options = replacer;
+            replacer = undefined;
+            space = 0;
+        }
+        var serializeOptions = Object.assign({ relaxed: true, legacy: false }, options, {
+            seenObjects: [{ propertyName: '(root)', obj: null }]
+        });
+        var doc = serializeValue(value, serializeOptions);
+        return JSON.stringify(doc, replacer, space);
+    }
+    EJSON.stringify = stringify;
+    /**
+     * Serializes an object to an Extended JSON string, and reparse it as a JavaScript object.
+     *
+     * @param value - The object to serialize
+     * @param options - Optional settings passed to the `stringify` function
+     */
+    function serialize(value, options) {
+        options = options || {};
+        return JSON.parse(stringify(value, options));
+    }
+    EJSON.serialize = serialize;
+    /**
+     * Deserializes an Extended JSON object into a plain JavaScript object with native/BSON types
+     *
+     * @param ejson - The Extended JSON object to deserialize
+     * @param options - Optional settings passed to the parse method
+     */
+    function deserialize(ejson, options) {
+        options = options || {};
+        return parse(JSON.stringify(ejson), options);
+    }
+    EJSON.deserialize = deserialize;
+})(EJSON || (EJSON = {}));
+
+/* eslint-disable @typescript-eslint/no-explicit-any */
+/** @public */
+var bsonMap;
+var bsonGlobal = getGlobal();
+if (bsonGlobal.Map) {
+    bsonMap = bsonGlobal.Map;
+}
+else {
+    // We will return a polyfill
+    bsonMap = /** @class */ (function () {
+        function Map(array) {
+            if (array === void 0) { array = []; }
+            this._keys = [];
+            this._values = {};
+            for (var i = 0; i < array.length; i++) {
+                if (array[i] == null)
+                    continue; // skip null and undefined
+                var entry = array[i];
+                var key = entry[0];
+                var value = entry[1];
+                // Add the key to the list of keys in order
+                this._keys.push(key);
+                // Add the key and value to the values dictionary with a point
+                // to the location in the ordered keys list
+                this._values[key] = { v: value, i: this._keys.length - 1 };
+            }
+        }
+        Map.prototype.clear = function () {
+            this._keys = [];
+            this._values = {};
+        };
+        Map.prototype.delete = function (key) {
+            var value = this._values[key];
+            if (value == null)
+                return false;
+            // Delete entry
+            delete this._values[key];
+            // Remove the key from the ordered keys list
+            this._keys.splice(value.i, 1);
+            return true;
+        };
+        Map.prototype.entries = function () {
+            var _this = this;
+            var index = 0;
+            return {
+                next: function () {
+                    var key = _this._keys[index++];
+                    return {
+                        value: key !== undefined ? [key, _this._values[key].v] : undefined,
+                        done: key !== undefined ? false : true
+                    };
+                }
+            };
+        };
+        Map.prototype.forEach = function (callback, self) {
+            self = self || this;
+            for (var i = 0; i < this._keys.length; i++) {
+                var key = this._keys[i];
+                // Call the forEach callback
+                callback.call(self, this._values[key].v, key, self);
+            }
+        };
+        Map.prototype.get = function (key) {
+            return this._values[key] ? this._values[key].v : undefined;
+        };
+        Map.prototype.has = function (key) {
+            return this._values[key] != null;
+        };
+        Map.prototype.keys = function () {
+            var _this = this;
+            var index = 0;
+            return {
+                next: function () {
+                    var key = _this._keys[index++];
+                    return {
+                        value: key !== undefined ? key : undefined,
+                        done: key !== undefined ? false : true
+                    };
+                }
+            };
+        };
+        Map.prototype.set = function (key, value) {
+            if (this._values[key]) {
+                this._values[key].v = value;
+                return this;
+            }
+            // Add the key to the list of keys in order
+            this._keys.push(key);
+            // Add the key and value to the values dictionary with a point
+            // to the location in the ordered keys list
+            this._values[key] = { v: value, i: this._keys.length - 1 };
+            return this;
+        };
+        Map.prototype.values = function () {
+            var _this = this;
+            var index = 0;
+            return {
+                next: function () {
+                    var key = _this._keys[index++];
+                    return {
+                        value: key !== undefined ? _this._values[key].v : undefined,
+                        done: key !== undefined ? false : true
+                    };
+                }
+            };
+        };
+        Object.defineProperty(Map.prototype, "size", {
+            get: function () {
+                return this._keys.length;
+            },
+            enumerable: false,
+            configurable: true
+        });
+        return Map;
+    }());
+}
+
+function calculateObjectSize$1(object, serializeFunctions, ignoreUndefined) {
+    var totalLength = 4 + 1;
+    if (Array.isArray(object)) {
+        for (var i = 0; i < object.length; i++) {
+            totalLength += calculateElement(i.toString(), object[i], serializeFunctions, true, ignoreUndefined);
+        }
+    }
+    else {
+        // If we have toBSON defined, override the current object
+        if (typeof (object === null || object === void 0 ? void 0 : object.toBSON) === 'function') {
+            object = object.toBSON();
+        }
+        // Calculate size
+        for (var key in object) {
+            totalLength += calculateElement(key, object[key], serializeFunctions, false, ignoreUndefined);
+        }
+    }
+    return totalLength;
+}
+/** @internal */
+function calculateElement(name, 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+value, serializeFunctions, isArray, ignoreUndefined) {
+    if (serializeFunctions === void 0) { serializeFunctions = false; }
+    if (isArray === void 0) { isArray = false; }
+    if (ignoreUndefined === void 0) { ignoreUndefined = false; }
+    // If we have toBSON defined, override the current object
+    if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+        value = value.toBSON();
+    }
+    switch (typeof value) {
+        case 'string':
+            return 1 + Buffer.byteLength(name, 'utf8') + 1 + 4 + Buffer.byteLength(value, 'utf8') + 1;
+        case 'number':
+            if (Math.floor(value) === value &&
+                value >= JS_INT_MIN &&
+                value <= JS_INT_MAX) {
+                if (value >= BSON_INT32_MIN$1 && value <= BSON_INT32_MAX$1) {
+                    // 32 bit
+                    return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (4 + 1);
+                }
+                else {
+                    return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+                }
+            }
+            else {
+                // 64 bit
+                return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+            }
+        case 'undefined':
+            if (isArray || !ignoreUndefined)
+                return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + 1;
+            return 0;
+        case 'boolean':
+            return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (1 + 1);
+        case 'object':
+            if (value == null || value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+                return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + 1;
+            }
+            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+                return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (12 + 1);
+            }
+            else if (value instanceof Date || isDate(value)) {
+                return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+            }
+            else if (ArrayBuffer.isView(value) ||
+                value instanceof ArrayBuffer ||
+                isAnyArrayBuffer(value)) {
+                return ((name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (1 + 4 + 1) + value.byteLength);
+            }
+            else if (value['_bsontype'] === 'Long' ||
+                value['_bsontype'] === 'Double' ||
+                value['_bsontype'] === 'Timestamp') {
+                return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+            }
+            else if (value['_bsontype'] === 'Decimal128') {
+                return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (16 + 1);
+            }
+            else if (value['_bsontype'] === 'Code') {
+                // Calculate size depending on the availability of a scope
+                if (value.scope != null && Object.keys(value.scope).length > 0) {
+                    return ((name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                        1 +
+                        4 +
+                        4 +
+                        Buffer.byteLength(value.code.toString(), 'utf8') +
+                        1 +
+                        calculateObjectSize$1(value.scope, serializeFunctions, ignoreUndefined));
+                }
+                else {
+                    return ((name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                        1 +
+                        4 +
+                        Buffer.byteLength(value.code.toString(), 'utf8') +
+                        1);
+                }
+            }
+            else if (value['_bsontype'] === 'Binary') {
+                var binary = value;
+                // Check what kind of subtype we have
+                if (binary.sub_type === Binary.SUBTYPE_BYTE_ARRAY) {
+                    return ((name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                        (binary.position + 1 + 4 + 1 + 4));
+                }
+                else {
+                    return ((name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (binary.position + 1 + 4 + 1));
+                }
+            }
+            else if (value['_bsontype'] === 'Symbol') {
+                return ((name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                    Buffer.byteLength(value.value, 'utf8') +
+                    4 +
+                    1 +
+                    1);
+            }
+            else if (value['_bsontype'] === 'DBRef') {
+                // Set up correct object for serialization
+                var ordered_values = Object.assign({
+                    $ref: value.collection,
+                    $id: value.oid
+                }, value.fields);
+                // Add db reference if it exists
+                if (value.db != null) {
+                    ordered_values['$db'] = value.db;
+                }
+                return ((name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                    1 +
+                    calculateObjectSize$1(ordered_values, serializeFunctions, ignoreUndefined));
+            }
+            else if (value instanceof RegExp || isRegExp(value)) {
+                return ((name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                    1 +
+                    Buffer.byteLength(value.source, 'utf8') +
+                    1 +
+                    (value.global ? 1 : 0) +
+                    (value.ignoreCase ? 1 : 0) +
+                    (value.multiline ? 1 : 0) +
+                    1);
+            }
+            else if (value['_bsontype'] === 'BSONRegExp') {
+                return ((name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                    1 +
+                    Buffer.byteLength(value.pattern, 'utf8') +
+                    1 +
+                    Buffer.byteLength(value.options, 'utf8') +
+                    1);
+            }
+            else {
+                return ((name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                    calculateObjectSize$1(value, serializeFunctions, ignoreUndefined) +
+                    1);
+            }
+        case 'function':
+            // WTF for 0.4.X where typeof /someregexp/ === 'function'
+            if (value instanceof RegExp || isRegExp(value) || String.call(value) === '[object RegExp]') {
+                return ((name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                    1 +
+                    Buffer.byteLength(value.source, 'utf8') +
+                    1 +
+                    (value.global ? 1 : 0) +
+                    (value.ignoreCase ? 1 : 0) +
+                    (value.multiline ? 1 : 0) +
+                    1);
+            }
+            else {
+                if (serializeFunctions && value.scope != null && Object.keys(value.scope).length > 0) {
+                    return ((name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                        1 +
+                        4 +
+                        4 +
+                        Buffer.byteLength(normalizedFunctionString(value), 'utf8') +
+                        1 +
+                        calculateObjectSize$1(value.scope, serializeFunctions, ignoreUndefined));
+                }
+                else if (serializeFunctions) {
+                    return ((name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                        1 +
+                        4 +
+                        Buffer.byteLength(normalizedFunctionString(value), 'utf8') +
+                        1);
+                }
+            }
+    }
+    return 0;
+}
+
+var FIRST_BIT = 0x80;
+var FIRST_TWO_BITS = 0xc0;
+var FIRST_THREE_BITS = 0xe0;
+var FIRST_FOUR_BITS = 0xf0;
+var FIRST_FIVE_BITS = 0xf8;
+var TWO_BIT_CHAR = 0xc0;
+var THREE_BIT_CHAR = 0xe0;
+var FOUR_BIT_CHAR = 0xf0;
+var CONTINUING_CHAR = 0x80;
+/**
+ * Determines if the passed in bytes are valid utf8
+ * @param bytes - An array of 8-bit bytes. Must be indexable and have length property
+ * @param start - The index to start validating
+ * @param end - The index to end validating
+ */
+function validateUtf8(bytes, start, end) {
+    var continuation = 0;
+    for (var i = start; i < end; i += 1) {
+        var byte = bytes[i];
+        if (continuation) {
+            if ((byte & FIRST_TWO_BITS) !== CONTINUING_CHAR) {
+                return false;
+            }
+            continuation -= 1;
+        }
+        else if (byte & FIRST_BIT) {
+            if ((byte & FIRST_THREE_BITS) === TWO_BIT_CHAR) {
+                continuation = 1;
+            }
+            else if ((byte & FIRST_FOUR_BITS) === THREE_BIT_CHAR) {
+                continuation = 2;
+            }
+            else if ((byte & FIRST_FIVE_BITS) === FOUR_BIT_CHAR) {
+                continuation = 3;
+            }
+            else {
+                return false;
+            }
+        }
+    }
+    return !continuation;
+}
+
+// Internal long versions
+var JS_INT_MAX_LONG = Long.fromNumber(JS_INT_MAX);
+var JS_INT_MIN_LONG = Long.fromNumber(JS_INT_MIN);
+var functionCache = {};
+function deserialize$1(buffer, options, isArray) {
+    options = options == null ? {} : options;
+    var index = options && options.index ? options.index : 0;
+    // Read the document size
+    var size = buffer[index] |
+        (buffer[index + 1] << 8) |
+        (buffer[index + 2] << 16) |
+        (buffer[index + 3] << 24);
+    if (size < 5) {
+        throw new BSONError("bson size must be >= 5, is ".concat(size));
+    }
+    if (options.allowObjectSmallerThanBufferSize && buffer.length < size) {
+        throw new BSONError("buffer length ".concat(buffer.length, " must be >= bson size ").concat(size));
+    }
+    if (!options.allowObjectSmallerThanBufferSize && buffer.length !== size) {
+        throw new BSONError("buffer length ".concat(buffer.length, " must === bson size ").concat(size));
+    }
+    if (size + index > buffer.byteLength) {
+        throw new BSONError("(bson size ".concat(size, " + options.index ").concat(index, " must be <= buffer length ").concat(buffer.byteLength, ")"));
+    }
+    // Illegal end value
+    if (buffer[index + size - 1] !== 0) {
+        throw new BSONError("One object, sized correctly, with a spot for an EOO, but the EOO isn't 0x00");
+    }
+    // Start deserializtion
+    return deserializeObject(buffer, index, options, isArray);
+}
+var allowedDBRefKeys = /^\$ref$|^\$id$|^\$db$/;
+function deserializeObject(buffer, index, options, isArray) {
+    if (isArray === void 0) { isArray = false; }
+    var evalFunctions = options['evalFunctions'] == null ? false : options['evalFunctions'];
+    var cacheFunctions = options['cacheFunctions'] == null ? false : options['cacheFunctions'];
+    var fieldsAsRaw = options['fieldsAsRaw'] == null ? null : options['fieldsAsRaw'];
+    // Return raw bson buffer instead of parsing it
+    var raw = options['raw'] == null ? false : options['raw'];
+    // Return BSONRegExp objects instead of native regular expressions
+    var bsonRegExp = typeof options['bsonRegExp'] === 'boolean' ? options['bsonRegExp'] : false;
+    // Controls the promotion of values vs wrapper classes
+    var promoteBuffers = options['promoteBuffers'] == null ? false : options['promoteBuffers'];
+    var promoteLongs = options['promoteLongs'] == null ? true : options['promoteLongs'];
+    var promoteValues = options['promoteValues'] == null ? true : options['promoteValues'];
+    // Ensures default validation option if none given
+    var validation = options.validation == null ? { utf8: true } : options.validation;
+    // Shows if global utf-8 validation is enabled or disabled
+    var globalUTFValidation = true;
+    // Reflects utf-8 validation setting regardless of global or specific key validation
+    var validationSetting;
+    // Set of keys either to enable or disable validation on
+    var utf8KeysSet = new Set();
+    // Check for boolean uniformity and empty validation option
+    var utf8ValidatedKeys = validation.utf8;
+    if (typeof utf8ValidatedKeys === 'boolean') {
+        validationSetting = utf8ValidatedKeys;
+    }
+    else {
+        globalUTFValidation = false;
+        var utf8ValidationValues = Object.keys(utf8ValidatedKeys).map(function (key) {
+            return utf8ValidatedKeys[key];
+        });
+        if (utf8ValidationValues.length === 0) {
+            throw new BSONError('UTF-8 validation setting cannot be empty');
+        }
+        if (typeof utf8ValidationValues[0] !== 'boolean') {
+            throw new BSONError('Invalid UTF-8 validation option, must specify boolean values');
+        }
+        validationSetting = utf8ValidationValues[0];
+        // Ensures boolean uniformity in utf-8 validation (all true or all false)
+        if (!utf8ValidationValues.every(function (item) { return item === validationSetting; })) {
+            throw new BSONError('Invalid UTF-8 validation option - keys must be all true or all false');
+        }
+    }
+    // Add keys to set that will either be validated or not based on validationSetting
+    if (!globalUTFValidation) {
+        for (var _i = 0, _a = Object.keys(utf8ValidatedKeys); _i < _a.length; _i++) {
+            var key = _a[_i];
+            utf8KeysSet.add(key);
+        }
+    }
+    // Set the start index
+    var startIndex = index;
+    // Validate that we have at least 4 bytes of buffer
+    if (buffer.length < 5)
+        throw new BSONError('corrupt bson message < 5 bytes long');
+    // Read the document size
+    var size = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+    // Ensure buffer is valid size
+    if (size < 5 || size > buffer.length)
+        throw new BSONError('corrupt bson message');
+    // Create holding object
+    var object = isArray ? [] : {};
+    // Used for arrays to skip having to perform utf8 decoding
+    var arrayIndex = 0;
+    var done = false;
+    var isPossibleDBRef = isArray ? false : null;
+    // While we have more left data left keep parsing
+    var dataview = new DataView(buffer.buffer, buffer.byteOffset, buffer.byteLength);
+    while (!done) {
+        // Read the type
+        var elementType = buffer[index++];
+        // If we get a zero it's the last byte, exit
+        if (elementType === 0)
+            break;
+        // Get the start search index
+        var i = index;
+        // Locate the end of the c string
+        while (buffer[i] !== 0x00 && i < buffer.length) {
+            i++;
+        }
+        // If are at the end of the buffer there is a problem with the document
+        if (i >= buffer.byteLength)
+            throw new BSONError('Bad BSON Document: illegal CString');
+        // Represents the key
+        var name = isArray ? arrayIndex++ : buffer.toString('utf8', index, i);
+        // shouldValidateKey is true if the key should be validated, false otherwise
+        var shouldValidateKey = true;
+        if (globalUTFValidation || utf8KeysSet.has(name)) {
+            shouldValidateKey = validationSetting;
+        }
+        else {
+            shouldValidateKey = !validationSetting;
+        }
+        if (isPossibleDBRef !== false && name[0] === '$') {
+            isPossibleDBRef = allowedDBRefKeys.test(name);
+        }
+        var value = void 0;
+        index = i + 1;
+        if (elementType === BSON_DATA_STRING) {
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0) {
+                throw new BSONError('bad string length in bson');
+            }
+            value = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+            index = index + stringSize;
+        }
+        else if (elementType === BSON_DATA_OID) {
+            var oid = Buffer.alloc(12);
+            buffer.copy(oid, 0, index, index + 12);
+            value = new ObjectId(oid);
+            index = index + 12;
+        }
+        else if (elementType === BSON_DATA_INT && promoteValues === false) {
+            value = new Int32(buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24));
+        }
+        else if (elementType === BSON_DATA_INT) {
+            value =
+                buffer[index++] |
+                    (buffer[index++] << 8) |
+                    (buffer[index++] << 16) |
+                    (buffer[index++] << 24);
+        }
+        else if (elementType === BSON_DATA_NUMBER && promoteValues === false) {
+            value = new Double(dataview.getFloat64(index, true));
+            index = index + 8;
+        }
+        else if (elementType === BSON_DATA_NUMBER) {
+            value = dataview.getFloat64(index, true);
+            index = index + 8;
+        }
+        else if (elementType === BSON_DATA_DATE) {
+            var lowBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var highBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            value = new Date(new Long(lowBits, highBits).toNumber());
+        }
+        else if (elementType === BSON_DATA_BOOLEAN) {
+            if (buffer[index] !== 0 && buffer[index] !== 1)
+                throw new BSONError('illegal boolean type value');
+            value = buffer[index++] === 1;
+        }
+        else if (elementType === BSON_DATA_OBJECT) {
+            var _index = index;
+            var objectSize = buffer[index] |
+                (buffer[index + 1] << 8) |
+                (buffer[index + 2] << 16) |
+                (buffer[index + 3] << 24);
+            if (objectSize <= 0 || objectSize > buffer.length - index)
+                throw new BSONError('bad embedded document length in bson');
+            // We have a raw value
+            if (raw) {
+                value = buffer.slice(index, index + objectSize);
+            }
+            else {
+                var objectOptions = options;
+                if (!globalUTFValidation) {
+                    objectOptions = _assign(_assign({}, options), { validation: { utf8: shouldValidateKey } });
+                }
+                value = deserializeObject(buffer, _index, objectOptions, false);
+            }
+            index = index + objectSize;
+        }
+        else if (elementType === BSON_DATA_ARRAY) {
+            var _index = index;
+            var objectSize = buffer[index] |
+                (buffer[index + 1] << 8) |
+                (buffer[index + 2] << 16) |
+                (buffer[index + 3] << 24);
+            var arrayOptions = options;
+            // Stop index
+            var stopIndex = index + objectSize;
+            // All elements of array to be returned as raw bson
+            if (fieldsAsRaw && fieldsAsRaw[name]) {
+                arrayOptions = {};
+                for (var n in options) {
+                    arrayOptions[n] = options[n];
+                }
+                arrayOptions['raw'] = true;
+            }
+            if (!globalUTFValidation) {
+                arrayOptions = _assign(_assign({}, arrayOptions), { validation: { utf8: shouldValidateKey } });
+            }
+            value = deserializeObject(buffer, _index, arrayOptions, true);
+            index = index + objectSize;
+            if (buffer[index - 1] !== 0)
+                throw new BSONError('invalid array terminator byte');
+            if (index !== stopIndex)
+                throw new BSONError('corrupted array bson');
+        }
+        else if (elementType === BSON_DATA_UNDEFINED) {
+            value = undefined;
+        }
+        else if (elementType === BSON_DATA_NULL) {
+            value = null;
+        }
+        else if (elementType === BSON_DATA_LONG) {
+            // Unpack the low and high bits
+            var lowBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var highBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var long = new Long(lowBits, highBits);
+            // Promote the long if possible
+            if (promoteLongs && promoteValues === true) {
+                value =
+                    long.lessThanOrEqual(JS_INT_MAX_LONG) && long.greaterThanOrEqual(JS_INT_MIN_LONG)
+                        ? long.toNumber()
+                        : long;
+            }
+            else {
+                value = long;
+            }
+        }
+        else if (elementType === BSON_DATA_DECIMAL128) {
+            // Buffer to contain the decimal bytes
+            var bytes = Buffer.alloc(16);
+            // Copy the next 16 bytes into the bytes buffer
+            buffer.copy(bytes, 0, index, index + 16);
+            // Update index
+            index = index + 16;
+            // Assign the new Decimal128 value
+            var decimal128 = new Decimal128(bytes);
+            // If we have an alternative mapper use that
+            if ('toObject' in decimal128 && typeof decimal128.toObject === 'function') {
+                value = decimal128.toObject();
+            }
+            else {
+                value = decimal128;
+            }
+        }
+        else if (elementType === BSON_DATA_BINARY) {
+            var binarySize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var totalBinarySize = binarySize;
+            var subType = buffer[index++];
+            // Did we have a negative binary size, throw
+            if (binarySize < 0)
+                throw new BSONError('Negative binary type element size found');
+            // Is the length longer than the document
+            if (binarySize > buffer.byteLength)
+                throw new BSONError('Binary type size larger than document size');
+            // Decode as raw Buffer object if options specifies it
+            if (buffer['slice'] != null) {
+                // If we have subtype 2 skip the 4 bytes for the size
+                if (subType === Binary.SUBTYPE_BYTE_ARRAY) {
+                    binarySize =
+                        buffer[index++] |
+                            (buffer[index++] << 8) |
+                            (buffer[index++] << 16) |
+                            (buffer[index++] << 24);
+                    if (binarySize < 0)
+                        throw new BSONError('Negative binary type element size found for subtype 0x02');
+                    if (binarySize > totalBinarySize - 4)
+                        throw new BSONError('Binary type with subtype 0x02 contains too long binary size');
+                    if (binarySize < totalBinarySize - 4)
+                        throw new BSONError('Binary type with subtype 0x02 contains too short binary size');
+                }
+                if (promoteBuffers && promoteValues) {
+                    value = buffer.slice(index, index + binarySize);
+                }
+                else {
+                    value = new Binary(buffer.slice(index, index + binarySize), subType);
+                    if (subType === BSON_BINARY_SUBTYPE_UUID_NEW) {
+                        value = value.toUUID();
+                    }
+                }
+            }
+            else {
+                var _buffer = Buffer.alloc(binarySize);
+                // If we have subtype 2 skip the 4 bytes for the size
+                if (subType === Binary.SUBTYPE_BYTE_ARRAY) {
+                    binarySize =
+                        buffer[index++] |
+                            (buffer[index++] << 8) |
+                            (buffer[index++] << 16) |
+                            (buffer[index++] << 24);
+                    if (binarySize < 0)
+                        throw new BSONError('Negative binary type element size found for subtype 0x02');
+                    if (binarySize > totalBinarySize - 4)
+                        throw new BSONError('Binary type with subtype 0x02 contains too long binary size');
+                    if (binarySize < totalBinarySize - 4)
+                        throw new BSONError('Binary type with subtype 0x02 contains too short binary size');
+                }
+                // Copy the data
+                for (i = 0; i < binarySize; i++) {
+                    _buffer[i] = buffer[index + i];
+                }
+                if (promoteBuffers && promoteValues) {
+                    value = _buffer;
+                }
+                else if (subType === BSON_BINARY_SUBTYPE_UUID_NEW) {
+                    value = new Binary(buffer.slice(index, index + binarySize), subType).toUUID();
+                }
+                else {
+                    value = new Binary(buffer.slice(index, index + binarySize), subType);
+                }
+            }
+            // Update the index
+            index = index + binarySize;
+        }
+        else if (elementType === BSON_DATA_REGEXP && bsonRegExp === false) {
+            // Get the start search index
+            i = index;
+            // Locate the end of the c string
+            while (buffer[i] !== 0x00 && i < buffer.length) {
+                i++;
+            }
+            // If are at the end of the buffer there is a problem with the document
+            if (i >= buffer.length)
+                throw new BSONError('Bad BSON Document: illegal CString');
+            // Return the C string
+            var source = buffer.toString('utf8', index, i);
+            // Create the regexp
+            index = i + 1;
+            // Get the start search index
+            i = index;
+            // Locate the end of the c string
+            while (buffer[i] !== 0x00 && i < buffer.length) {
+                i++;
+            }
+            // If are at the end of the buffer there is a problem with the document
+            if (i >= buffer.length)
+                throw new BSONError('Bad BSON Document: illegal CString');
+            // Return the C string
+            var regExpOptions = buffer.toString('utf8', index, i);
+            index = i + 1;
+            // For each option add the corresponding one for javascript
+            var optionsArray = new Array(regExpOptions.length);
+            // Parse options
+            for (i = 0; i < regExpOptions.length; i++) {
+                switch (regExpOptions[i]) {
+                    case 'm':
+                        optionsArray[i] = 'm';
+                        break;
+                    case 's':
+                        optionsArray[i] = 'g';
+                        break;
+                    case 'i':
+                        optionsArray[i] = 'i';
+                        break;
+                }
+            }
+            value = new RegExp(source, optionsArray.join(''));
+        }
+        else if (elementType === BSON_DATA_REGEXP && bsonRegExp === true) {
+            // Get the start search index
+            i = index;
+            // Locate the end of the c string
+            while (buffer[i] !== 0x00 && i < buffer.length) {
+                i++;
+            }
+            // If are at the end of the buffer there is a problem with the document
+            if (i >= buffer.length)
+                throw new BSONError('Bad BSON Document: illegal CString');
+            // Return the C string
+            var source = buffer.toString('utf8', index, i);
+            index = i + 1;
+            // Get the start search index
+            i = index;
+            // Locate the end of the c string
+            while (buffer[i] !== 0x00 && i < buffer.length) {
+                i++;
+            }
+            // If are at the end of the buffer there is a problem with the document
+            if (i >= buffer.length)
+                throw new BSONError('Bad BSON Document: illegal CString');
+            // Return the C string
+            var regExpOptions = buffer.toString('utf8', index, i);
+            index = i + 1;
+            // Set the object
+            value = new BSONRegExp(source, regExpOptions);
+        }
+        else if (elementType === BSON_DATA_SYMBOL) {
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0) {
+                throw new BSONError('bad string length in bson');
+            }
+            var symbol = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+            value = promoteValues ? symbol : new BSONSymbol(symbol);
+            index = index + stringSize;
+        }
+        else if (elementType === BSON_DATA_TIMESTAMP) {
+            var lowBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var highBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            value = new Timestamp(lowBits, highBits);
+        }
+        else if (elementType === BSON_DATA_MIN_KEY) {
+            value = new MinKey();
+        }
+        else if (elementType === BSON_DATA_MAX_KEY) {
+            value = new MaxKey();
+        }
+        else if (elementType === BSON_DATA_CODE) {
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0) {
+                throw new BSONError('bad string length in bson');
+            }
+            var functionString = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+            // If we are evaluating the functions
+            if (evalFunctions) {
+                // If we have cache enabled let's look for the md5 of the function in the cache
+                if (cacheFunctions) {
+                    // Got to do this to avoid V8 deoptimizing the call due to finding eval
+                    value = isolateEval(functionString, functionCache, object);
+                }
+                else {
+                    value = isolateEval(functionString);
+                }
+            }
+            else {
+                value = new Code(functionString);
+            }
+            // Update parse index position
+            index = index + stringSize;
+        }
+        else if (elementType === BSON_DATA_CODE_W_SCOPE) {
+            var totalSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            // Element cannot be shorter than totalSize + stringSize + documentSize + terminator
+            if (totalSize < 4 + 4 + 4 + 1) {
+                throw new BSONError('code_w_scope total size shorter minimum expected length');
+            }
+            // Get the code string size
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            // Check if we have a valid string
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0) {
+                throw new BSONError('bad string length in bson');
+            }
+            // Javascript function
+            var functionString = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+            // Update parse index position
+            index = index + stringSize;
+            // Parse the element
+            var _index = index;
+            // Decode the size of the object document
+            var objectSize = buffer[index] |
+                (buffer[index + 1] << 8) |
+                (buffer[index + 2] << 16) |
+                (buffer[index + 3] << 24);
+            // Decode the scope object
+            var scopeObject = deserializeObject(buffer, _index, options, false);
+            // Adjust the index
+            index = index + objectSize;
+            // Check if field length is too short
+            if (totalSize < 4 + 4 + objectSize + stringSize) {
+                throw new BSONError('code_w_scope total size is too short, truncating scope');
+            }
+            // Check if totalSize field is too long
+            if (totalSize > 4 + 4 + objectSize + stringSize) {
+                throw new BSONError('code_w_scope total size is too long, clips outer document');
+            }
+            // If we are evaluating the functions
+            if (evalFunctions) {
+                // If we have cache enabled let's look for the md5 of the function in the cache
+                if (cacheFunctions) {
+                    // Got to do this to avoid V8 deoptimizing the call due to finding eval
+                    value = isolateEval(functionString, functionCache, object);
+                }
+                else {
+                    value = isolateEval(functionString);
+                }
+                value.scope = scopeObject;
+            }
+            else {
+                value = new Code(functionString, scopeObject);
+            }
+        }
+        else if (elementType === BSON_DATA_DBPOINTER) {
+            // Get the code string size
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            // Check if we have a valid string
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0)
+                throw new BSONError('bad string length in bson');
+            // Namespace
+            if (validation != null && validation.utf8) {
+                if (!validateUtf8(buffer, index, index + stringSize - 1)) {
+                    throw new BSONError('Invalid UTF-8 string in BSON document');
+                }
+            }
+            var namespace = buffer.toString('utf8', index, index + stringSize - 1);
+            // Update parse index position
+            index = index + stringSize;
+            // Read the oid
+            var oidBuffer = Buffer.alloc(12);
+            buffer.copy(oidBuffer, 0, index, index + 12);
+            var oid = new ObjectId(oidBuffer);
+            // Update the index
+            index = index + 12;
+            // Upgrade to DBRef type
+            value = new DBRef(namespace, oid);
+        }
+        else {
+            throw new BSONError("Detected unknown BSON type ".concat(elementType.toString(16), " for fieldname \"").concat(name, "\""));
+        }
+        if (name === '__proto__') {
+            Object.defineProperty(object, name, {
+                value: value,
+                writable: true,
+                enumerable: true,
+                configurable: true
+            });
+        }
+        else {
+            object[name] = value;
+        }
+    }
+    // Check if the deserialization was against a valid array/object
+    if (size !== index - startIndex) {
+        if (isArray)
+            throw new BSONError('corrupt array bson');
+        throw new BSONError('corrupt object bson');
+    }
+    // if we did not find "$ref", "$id", "$db", or found an extraneous $key, don't make a DBRef
+    if (!isPossibleDBRef)
+        return object;
+    if (isDBRefLike(object)) {
+        var copy = Object.assign({}, object);
+        delete copy.$ref;
+        delete copy.$id;
+        delete copy.$db;
+        return new DBRef(object.$ref, object.$id, object.$db, copy);
+    }
+    return object;
+}
+/**
+ * Ensure eval is isolated, store the result in functionCache.
+ *
+ * @internal
+ */
+function isolateEval(functionString, functionCache, object) {
+    // eslint-disable-next-line @typescript-eslint/no-implied-eval
+    if (!functionCache)
+        return new Function(functionString);
+    // Check for cache hit, eval if missing and return cached function
+    if (functionCache[functionString] == null) {
+        // eslint-disable-next-line @typescript-eslint/no-implied-eval
+        functionCache[functionString] = new Function(functionString);
+    }
+    // Set the object
+    return functionCache[functionString].bind(object);
+}
+function getValidatedString(buffer, start, end, shouldValidateUtf8) {
+    var value = buffer.toString('utf8', start, end);
+    // if utf8 validation is on, do the check
+    if (shouldValidateUtf8) {
+        for (var i = 0; i < value.length; i++) {
+            if (value.charCodeAt(i) === 0xfffd) {
+                if (!validateUtf8(buffer, start, end)) {
+                    throw new BSONError('Invalid UTF-8 string in BSON document');
+                }
+                break;
+            }
+        }
+    }
+    return value;
+}
+
+var regexp = /\x00/; // eslint-disable-line no-control-regex
+var ignoreKeys = new Set(['$db', '$ref', '$id', '$clusterTime']);
+/*
+ * isArray indicates if we are writing to a BSON array (type 0x04)
+ * which forces the "key" which really an array index as a string to be written as ascii
+ * This will catch any errors in index as a string generation
+ */
+function serializeString(buffer, key, value, index, isArray) {
+    // Encode String type
+    buffer[index++] = BSON_DATA_STRING;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes + 1;
+    buffer[index - 1] = 0;
+    // Write the string
+    var size = buffer.write(value, index + 4, undefined, 'utf8');
+    // Write the size of the string to buffer
+    buffer[index + 3] = ((size + 1) >> 24) & 0xff;
+    buffer[index + 2] = ((size + 1) >> 16) & 0xff;
+    buffer[index + 1] = ((size + 1) >> 8) & 0xff;
+    buffer[index] = (size + 1) & 0xff;
+    // Update index
+    index = index + 4 + size;
+    // Write zero
+    buffer[index++] = 0;
+    return index;
+}
+var SPACE_FOR_FLOAT64 = new Uint8Array(8);
+var DV_FOR_FLOAT64 = new DataView(SPACE_FOR_FLOAT64.buffer, SPACE_FOR_FLOAT64.byteOffset, SPACE_FOR_FLOAT64.byteLength);
+function serializeNumber(buffer, key, value, index, isArray) {
+    // We have an integer value
+    // TODO(NODE-2529): Add support for big int
+    if (Number.isInteger(value) &&
+        value >= BSON_INT32_MIN$1 &&
+        value <= BSON_INT32_MAX$1) {
+        // If the value fits in 32 bits encode as int32
+        // Set int type 32 bits or less
+        buffer[index++] = BSON_DATA_INT;
+        // Number of written bytes
+        var numberOfWrittenBytes = !isArray
+            ? buffer.write(key, index, undefined, 'utf8')
+            : buffer.write(key, index, undefined, 'ascii');
+        // Encode the name
+        index = index + numberOfWrittenBytes;
+        buffer[index++] = 0;
+        // Write the int value
+        buffer[index++] = value & 0xff;
+        buffer[index++] = (value >> 8) & 0xff;
+        buffer[index++] = (value >> 16) & 0xff;
+        buffer[index++] = (value >> 24) & 0xff;
+    }
+    else {
+        // Encode as double
+        buffer[index++] = BSON_DATA_NUMBER;
+        // Number of written bytes
+        var numberOfWrittenBytes = !isArray
+            ? buffer.write(key, index, undefined, 'utf8')
+            : buffer.write(key, index, undefined, 'ascii');
+        // Encode the name
+        index = index + numberOfWrittenBytes;
+        buffer[index++] = 0;
+        // Write float
+        DV_FOR_FLOAT64.setFloat64(0, value, true);
+        buffer.set(SPACE_FOR_FLOAT64, index);
+        // Adjust index
+        index = index + 8;
+    }
+    return index;
+}
+function serializeNull(buffer, key, _, index, isArray) {
+    // Set long type
+    buffer[index++] = BSON_DATA_NULL;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    return index;
+}
+function serializeBoolean(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_BOOLEAN;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Encode the boolean value
+    buffer[index++] = value ? 1 : 0;
+    return index;
+}
+function serializeDate(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_DATE;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the date
+    var dateInMilis = Long.fromNumber(value.getTime());
+    var lowBits = dateInMilis.getLowBits();
+    var highBits = dateInMilis.getHighBits();
+    // Encode low bits
+    buffer[index++] = lowBits & 0xff;
+    buffer[index++] = (lowBits >> 8) & 0xff;
+    buffer[index++] = (lowBits >> 16) & 0xff;
+    buffer[index++] = (lowBits >> 24) & 0xff;
+    // Encode high bits
+    buffer[index++] = highBits & 0xff;
+    buffer[index++] = (highBits >> 8) & 0xff;
+    buffer[index++] = (highBits >> 16) & 0xff;
+    buffer[index++] = (highBits >> 24) & 0xff;
+    return index;
+}
+function serializeRegExp(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_REGEXP;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    if (value.source && value.source.match(regexp) != null) {
+        throw Error('value ' + value.source + ' must not contain null bytes');
+    }
+    // Adjust the index
+    index = index + buffer.write(value.source, index, undefined, 'utf8');
+    // Write zero
+    buffer[index++] = 0x00;
+    // Write the parameters
+    if (value.ignoreCase)
+        buffer[index++] = 0x69; // i
+    if (value.global)
+        buffer[index++] = 0x73; // s
+    if (value.multiline)
+        buffer[index++] = 0x6d; // m
+    // Add ending zero
+    buffer[index++] = 0x00;
+    return index;
+}
+function serializeBSONRegExp(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_REGEXP;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Check the pattern for 0 bytes
+    if (value.pattern.match(regexp) != null) {
+        // The BSON spec doesn't allow keys with null bytes because keys are
+        // null-terminated.
+        throw Error('pattern ' + value.pattern + ' must not contain null bytes');
+    }
+    // Adjust the index
+    index = index + buffer.write(value.pattern, index, undefined, 'utf8');
+    // Write zero
+    buffer[index++] = 0x00;
+    // Write the options
+    index = index + buffer.write(value.options.split('').sort().join(''), index, undefined, 'utf8');
+    // Add ending zero
+    buffer[index++] = 0x00;
+    return index;
+}
+function serializeMinMax(buffer, key, value, index, isArray) {
+    // Write the type of either min or max key
+    if (value === null) {
+        buffer[index++] = BSON_DATA_NULL;
+    }
+    else if (value._bsontype === 'MinKey') {
+        buffer[index++] = BSON_DATA_MIN_KEY;
+    }
+    else {
+        buffer[index++] = BSON_DATA_MAX_KEY;
+    }
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    return index;
+}
+function serializeObjectId(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_OID;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the objectId into the shared buffer
+    if (typeof value.id === 'string') {
+        buffer.write(value.id, index, undefined, 'binary');
+    }
+    else if (isUint8Array(value.id)) {
+        // Use the standard JS methods here because buffer.copy() is buggy with the
+        // browser polyfill
+        buffer.set(value.id.subarray(0, 12), index);
+    }
+    else {
+        throw new BSONTypeError('object [' + JSON.stringify(value) + '] is not a valid ObjectId');
+    }
+    // Adjust index
+    return index + 12;
+}
+function serializeBuffer(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_BINARY;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Get size of the buffer (current write point)
+    var size = value.length;
+    // Write the size of the string to buffer
+    buffer[index++] = size & 0xff;
+    buffer[index++] = (size >> 8) & 0xff;
+    buffer[index++] = (size >> 16) & 0xff;
+    buffer[index++] = (size >> 24) & 0xff;
+    // Write the default subtype
+    buffer[index++] = BSON_BINARY_SUBTYPE_DEFAULT;
+    // Copy the content form the binary field to the buffer
+    buffer.set(ensureBuffer(value), index);
+    // Adjust the index
+    index = index + size;
+    return index;
+}
+function serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, isArray, path) {
+    if (checkKeys === void 0) { checkKeys = false; }
+    if (depth === void 0) { depth = 0; }
+    if (serializeFunctions === void 0) { serializeFunctions = false; }
+    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+    if (isArray === void 0) { isArray = false; }
+    if (path === void 0) { path = []; }
+    for (var i = 0; i < path.length; i++) {
+        if (path[i] === value)
+            throw new BSONError('cyclic dependency detected');
+    }
+    // Push value to stack
+    path.push(value);
+    // Write the type
+    buffer[index++] = Array.isArray(value) ? BSON_DATA_ARRAY : BSON_DATA_OBJECT;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    var endIndex = serializeInto(buffer, value, checkKeys, index, depth + 1, serializeFunctions, ignoreUndefined, path);
+    // Pop stack
+    path.pop();
+    return endIndex;
+}
+function serializeDecimal128(buffer, key, value, index, isArray) {
+    buffer[index++] = BSON_DATA_DECIMAL128;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the data from the value
+    // Prefer the standard JS methods because their typechecking is not buggy,
+    // unlike the `buffer` polyfill's.
+    buffer.set(value.bytes.subarray(0, 16), index);
+    return index + 16;
+}
+function serializeLong(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] =
+        value._bsontype === 'Long' ? BSON_DATA_LONG : BSON_DATA_TIMESTAMP;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the date
+    var lowBits = value.getLowBits();
+    var highBits = value.getHighBits();
+    // Encode low bits
+    buffer[index++] = lowBits & 0xff;
+    buffer[index++] = (lowBits >> 8) & 0xff;
+    buffer[index++] = (lowBits >> 16) & 0xff;
+    buffer[index++] = (lowBits >> 24) & 0xff;
+    // Encode high bits
+    buffer[index++] = highBits & 0xff;
+    buffer[index++] = (highBits >> 8) & 0xff;
+    buffer[index++] = (highBits >> 16) & 0xff;
+    buffer[index++] = (highBits >> 24) & 0xff;
+    return index;
+}
+function serializeInt32(buffer, key, value, index, isArray) {
+    value = value.valueOf();
+    // Set int type 32 bits or less
+    buffer[index++] = BSON_DATA_INT;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the int value
+    buffer[index++] = value & 0xff;
+    buffer[index++] = (value >> 8) & 0xff;
+    buffer[index++] = (value >> 16) & 0xff;
+    buffer[index++] = (value >> 24) & 0xff;
+    return index;
+}
+function serializeDouble(buffer, key, value, index, isArray) {
+    // Encode as double
+    buffer[index++] = BSON_DATA_NUMBER;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write float
+    DV_FOR_FLOAT64.setFloat64(0, value.value, true);
+    buffer.set(SPACE_FOR_FLOAT64, index);
+    // Adjust index
+    index = index + 8;
+    return index;
+}
+function serializeFunction(buffer, key, value, index, _checkKeys, _depth, isArray) {
+    buffer[index++] = BSON_DATA_CODE;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Function string
+    var functionString = normalizedFunctionString(value);
+    // Write the string
+    var size = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+    // Write the size of the string to buffer
+    buffer[index] = size & 0xff;
+    buffer[index + 1] = (size >> 8) & 0xff;
+    buffer[index + 2] = (size >> 16) & 0xff;
+    buffer[index + 3] = (size >> 24) & 0xff;
+    // Update index
+    index = index + 4 + size - 1;
+    // Write zero
+    buffer[index++] = 0;
+    return index;
+}
+function serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, isArray) {
+    if (checkKeys === void 0) { checkKeys = false; }
+    if (depth === void 0) { depth = 0; }
+    if (serializeFunctions === void 0) { serializeFunctions = false; }
+    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+    if (isArray === void 0) { isArray = false; }
+    if (value.scope && typeof value.scope === 'object') {
+        // Write the type
+        buffer[index++] = BSON_DATA_CODE_W_SCOPE;
+        // Number of written bytes
+        var numberOfWrittenBytes = !isArray
+            ? buffer.write(key, index, undefined, 'utf8')
+            : buffer.write(key, index, undefined, 'ascii');
+        // Encode the name
+        index = index + numberOfWrittenBytes;
+        buffer[index++] = 0;
+        // Starting index
+        var startIndex = index;
+        // Serialize the function
+        // Get the function string
+        var functionString = typeof value.code === 'string' ? value.code : value.code.toString();
+        // Index adjustment
+        index = index + 4;
+        // Write string into buffer
+        var codeSize = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+        // Write the size of the string to buffer
+        buffer[index] = codeSize & 0xff;
+        buffer[index + 1] = (codeSize >> 8) & 0xff;
+        buffer[index + 2] = (codeSize >> 16) & 0xff;
+        buffer[index + 3] = (codeSize >> 24) & 0xff;
+        // Write end 0
+        buffer[index + 4 + codeSize - 1] = 0;
+        // Write the
+        index = index + codeSize + 4;
+        //
+        // Serialize the scope value
+        var endIndex = serializeInto(buffer, value.scope, checkKeys, index, depth + 1, serializeFunctions, ignoreUndefined);
+        index = endIndex - 1;
+        // Writ the total
+        var totalSize = endIndex - startIndex;
+        // Write the total size of the object
+        buffer[startIndex++] = totalSize & 0xff;
+        buffer[startIndex++] = (totalSize >> 8) & 0xff;
+        buffer[startIndex++] = (totalSize >> 16) & 0xff;
+        buffer[startIndex++] = (totalSize >> 24) & 0xff;
+        // Write trailing zero
+        buffer[index++] = 0;
+    }
+    else {
+        buffer[index++] = BSON_DATA_CODE;
+        // Number of written bytes
+        var numberOfWrittenBytes = !isArray
+            ? buffer.write(key, index, undefined, 'utf8')
+            : buffer.write(key, index, undefined, 'ascii');
+        // Encode the name
+        index = index + numberOfWrittenBytes;
+        buffer[index++] = 0;
+        // Function string
+        var functionString = value.code.toString();
+        // Write the string
+        var size = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+        // Write the size of the string to buffer
+        buffer[index] = size & 0xff;
+        buffer[index + 1] = (size >> 8) & 0xff;
+        buffer[index + 2] = (size >> 16) & 0xff;
+        buffer[index + 3] = (size >> 24) & 0xff;
+        // Update index
+        index = index + 4 + size - 1;
+        // Write zero
+        buffer[index++] = 0;
+    }
+    return index;
+}
+function serializeBinary(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_BINARY;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Extract the buffer
+    var data = value.value(true);
+    // Calculate size
+    var size = value.position;
+    // Add the deprecated 02 type 4 bytes of size to total
+    if (value.sub_type === Binary.SUBTYPE_BYTE_ARRAY)
+        size = size + 4;
+    // Write the size of the string to buffer
+    buffer[index++] = size & 0xff;
+    buffer[index++] = (size >> 8) & 0xff;
+    buffer[index++] = (size >> 16) & 0xff;
+    buffer[index++] = (size >> 24) & 0xff;
+    // Write the subtype to the buffer
+    buffer[index++] = value.sub_type;
+    // If we have binary type 2 the 4 first bytes are the size
+    if (value.sub_type === Binary.SUBTYPE_BYTE_ARRAY) {
+        size = size - 4;
+        buffer[index++] = size & 0xff;
+        buffer[index++] = (size >> 8) & 0xff;
+        buffer[index++] = (size >> 16) & 0xff;
+        buffer[index++] = (size >> 24) & 0xff;
+    }
+    // Write the data to the object
+    buffer.set(data, index);
+    // Adjust the index
+    index = index + value.position;
+    return index;
+}
+function serializeSymbol(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_SYMBOL;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the string
+    var size = buffer.write(value.value, index + 4, undefined, 'utf8') + 1;
+    // Write the size of the string to buffer
+    buffer[index] = size & 0xff;
+    buffer[index + 1] = (size >> 8) & 0xff;
+    buffer[index + 2] = (size >> 16) & 0xff;
+    buffer[index + 3] = (size >> 24) & 0xff;
+    // Update index
+    index = index + 4 + size - 1;
+    // Write zero
+    buffer[index++] = 0x00;
+    return index;
+}
+function serializeDBRef(buffer, key, value, index, depth, serializeFunctions, isArray) {
+    // Write the type
+    buffer[index++] = BSON_DATA_OBJECT;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    var startIndex = index;
+    var output = {
+        $ref: value.collection || value.namespace,
+        $id: value.oid
+    };
+    if (value.db != null) {
+        output.$db = value.db;
+    }
+    output = Object.assign(output, value.fields);
+    var endIndex = serializeInto(buffer, output, false, index, depth + 1, serializeFunctions);
+    // Calculate object size
+    var size = endIndex - startIndex;
+    // Write the size
+    buffer[startIndex++] = size & 0xff;
+    buffer[startIndex++] = (size >> 8) & 0xff;
+    buffer[startIndex++] = (size >> 16) & 0xff;
+    buffer[startIndex++] = (size >> 24) & 0xff;
+    // Set index
+    return endIndex;
+}
+function serializeInto(buffer, object, checkKeys, startingIndex, depth, serializeFunctions, ignoreUndefined, path) {
+    if (checkKeys === void 0) { checkKeys = false; }
+    if (startingIndex === void 0) { startingIndex = 0; }
+    if (depth === void 0) { depth = 0; }
+    if (serializeFunctions === void 0) { serializeFunctions = false; }
+    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+    if (path === void 0) { path = []; }
+    startingIndex = startingIndex || 0;
+    path = path || [];
+    // Push the object to the path
+    path.push(object);
+    // Start place to serialize into
+    var index = startingIndex + 4;
+    // Special case isArray
+    if (Array.isArray(object)) {
+        // Get object keys
+        for (var i = 0; i < object.length; i++) {
+            var key = "".concat(i);
+            var value = object[i];
+            // Is there an override value
+            if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+                value = value.toBSON();
+            }
+            if (typeof value === 'string') {
+                index = serializeString(buffer, key, value, index, true);
+            }
+            else if (typeof value === 'number') {
+                index = serializeNumber(buffer, key, value, index, true);
+            }
+            else if (typeof value === 'bigint') {
+                throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+            }
+            else if (typeof value === 'boolean') {
+                index = serializeBoolean(buffer, key, value, index, true);
+            }
+            else if (value instanceof Date || isDate(value)) {
+                index = serializeDate(buffer, key, value, index, true);
+            }
+            else if (value === undefined) {
+                index = serializeNull(buffer, key, value, index, true);
+            }
+            else if (value === null) {
+                index = serializeNull(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+                index = serializeObjectId(buffer, key, value, index, true);
+            }
+            else if (isUint8Array(value)) {
+                index = serializeBuffer(buffer, key, value, index, true);
+            }
+            else if (value instanceof RegExp || isRegExp(value)) {
+                index = serializeRegExp(buffer, key, value, index, true);
+            }
+            else if (typeof value === 'object' && value['_bsontype'] == null) {
+                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, true, path);
+            }
+            else if (typeof value === 'object' &&
+                isBSONType(value) &&
+                value._bsontype === 'Decimal128') {
+                index = serializeDecimal128(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+                index = serializeLong(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'Double') {
+                index = serializeDouble(buffer, key, value, index, true);
+            }
+            else if (typeof value === 'function' && serializeFunctions) {
+                index = serializeFunction(buffer, key, value, index, checkKeys, depth, true);
+            }
+            else if (value['_bsontype'] === 'Code') {
+                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, true);
+            }
+            else if (value['_bsontype'] === 'Binary') {
+                index = serializeBinary(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'Symbol') {
+                index = serializeSymbol(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'DBRef') {
+                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions, true);
+            }
+            else if (value['_bsontype'] === 'BSONRegExp') {
+                index = serializeBSONRegExp(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'Int32') {
+                index = serializeInt32(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+                index = serializeMinMax(buffer, key, value, index, true);
+            }
+            else if (typeof value['_bsontype'] !== 'undefined') {
+                throw new BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+            }
+        }
+    }
+    else if (object instanceof bsonMap || isMap(object)) {
+        var iterator = object.entries();
+        var done = false;
+        while (!done) {
+            // Unpack the next entry
+            var entry = iterator.next();
+            done = !!entry.done;
+            // Are we done, then skip and terminate
+            if (done)
+                continue;
+            // Get the entry values
+            var key = entry.value[0];
+            var value = entry.value[1];
+            // Check the type of the value
+            var type = typeof value;
+            // Check the key and throw error if it's illegal
+            if (typeof key === 'string' && !ignoreKeys.has(key)) {
+                if (key.match(regexp) != null) {
+                    // The BSON spec doesn't allow keys with null bytes because keys are
+                    // null-terminated.
+                    throw Error('key ' + key + ' must not contain null bytes');
+                }
+                if (checkKeys) {
+                    if ('$' === key[0]) {
+                        throw Error('key ' + key + " must not start with '$'");
+                    }
+                    else if (~key.indexOf('.')) {
+                        throw Error('key ' + key + " must not contain '.'");
+                    }
+                }
+            }
+            if (type === 'string') {
+                index = serializeString(buffer, key, value, index);
+            }
+            else if (type === 'number') {
+                index = serializeNumber(buffer, key, value, index);
+            }
+            else if (type === 'bigint' || isBigInt64Array(value) || isBigUInt64Array(value)) {
+                throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+            }
+            else if (type === 'boolean') {
+                index = serializeBoolean(buffer, key, value, index);
+            }
+            else if (value instanceof Date || isDate(value)) {
+                index = serializeDate(buffer, key, value, index);
+            }
+            else if (value === null || (value === undefined && ignoreUndefined === false)) {
+                index = serializeNull(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+                index = serializeObjectId(buffer, key, value, index);
+            }
+            else if (isUint8Array(value)) {
+                index = serializeBuffer(buffer, key, value, index);
+            }
+            else if (value instanceof RegExp || isRegExp(value)) {
+                index = serializeRegExp(buffer, key, value, index);
+            }
+            else if (type === 'object' && value['_bsontype'] == null) {
+                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, false, path);
+            }
+            else if (type === 'object' && value['_bsontype'] === 'Decimal128') {
+                index = serializeDecimal128(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+                index = serializeLong(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Double') {
+                index = serializeDouble(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Code') {
+                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined);
+            }
+            else if (typeof value === 'function' && serializeFunctions) {
+                index = serializeFunction(buffer, key, value, index, checkKeys, depth, serializeFunctions);
+            }
+            else if (value['_bsontype'] === 'Binary') {
+                index = serializeBinary(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Symbol') {
+                index = serializeSymbol(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'DBRef') {
+                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions);
+            }
+            else if (value['_bsontype'] === 'BSONRegExp') {
+                index = serializeBSONRegExp(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Int32') {
+                index = serializeInt32(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+                index = serializeMinMax(buffer, key, value, index);
+            }
+            else if (typeof value['_bsontype'] !== 'undefined') {
+                throw new BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+            }
+        }
+    }
+    else {
+        if (typeof (object === null || object === void 0 ? void 0 : object.toBSON) === 'function') {
+            // Provided a custom serialization method
+            object = object.toBSON();
+            if (object != null && typeof object !== 'object') {
+                throw new BSONTypeError('toBSON function did not return an object');
+            }
+        }
+        // Iterate over all the keys
+        for (var key in object) {
+            var value = object[key];
+            // Is there an override value
+            if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+                value = value.toBSON();
+            }
+            // Check the type of the value
+            var type = typeof value;
+            // Check the key and throw error if it's illegal
+            if (typeof key === 'string' && !ignoreKeys.has(key)) {
+                if (key.match(regexp) != null) {
+                    // The BSON spec doesn't allow keys with null bytes because keys are
+                    // null-terminated.
+                    throw Error('key ' + key + ' must not contain null bytes');
+                }
+                if (checkKeys) {
+                    if ('$' === key[0]) {
+                        throw Error('key ' + key + " must not start with '$'");
+                    }
+                    else if (~key.indexOf('.')) {
+                        throw Error('key ' + key + " must not contain '.'");
+                    }
+                }
+            }
+            if (type === 'string') {
+                index = serializeString(buffer, key, value, index);
+            }
+            else if (type === 'number') {
+                index = serializeNumber(buffer, key, value, index);
+            }
+            else if (type === 'bigint') {
+                throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+            }
+            else if (type === 'boolean') {
+                index = serializeBoolean(buffer, key, value, index);
+            }
+            else if (value instanceof Date || isDate(value)) {
+                index = serializeDate(buffer, key, value, index);
+            }
+            else if (value === undefined) {
+                if (ignoreUndefined === false)
+                    index = serializeNull(buffer, key, value, index);
+            }
+            else if (value === null) {
+                index = serializeNull(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+                index = serializeObjectId(buffer, key, value, index);
+            }
+            else if (isUint8Array(value)) {
+                index = serializeBuffer(buffer, key, value, index);
+            }
+            else if (value instanceof RegExp || isRegExp(value)) {
+                index = serializeRegExp(buffer, key, value, index);
+            }
+            else if (type === 'object' && value['_bsontype'] == null) {
+                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, false, path);
+            }
+            else if (type === 'object' && value['_bsontype'] === 'Decimal128') {
+                index = serializeDecimal128(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+                index = serializeLong(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Double') {
+                index = serializeDouble(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Code') {
+                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined);
+            }
+            else if (typeof value === 'function' && serializeFunctions) {
+                index = serializeFunction(buffer, key, value, index, checkKeys, depth, serializeFunctions);
+            }
+            else if (value['_bsontype'] === 'Binary') {
+                index = serializeBinary(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Symbol') {
+                index = serializeSymbol(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'DBRef') {
+                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions);
+            }
+            else if (value['_bsontype'] === 'BSONRegExp') {
+                index = serializeBSONRegExp(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Int32') {
+                index = serializeInt32(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+                index = serializeMinMax(buffer, key, value, index);
+            }
+            else if (typeof value['_bsontype'] !== 'undefined') {
+                throw new BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+            }
+        }
+    }
+    // Remove the path
+    path.pop();
+    // Final padding byte for object
+    buffer[index++] = 0x00;
+    // Final size
+    var size = index - startingIndex;
+    // Write the size of the object
+    buffer[startingIndex++] = size & 0xff;
+    buffer[startingIndex++] = (size >> 8) & 0xff;
+    buffer[startingIndex++] = (size >> 16) & 0xff;
+    buffer[startingIndex++] = (size >> 24) & 0xff;
+    return index;
+}
+
+/** @internal */
+// Default Max Size
+var MAXSIZE = 1024 * 1024 * 17;
+// Current Internal Temporary Serialization Buffer
+var buffer = Buffer.alloc(MAXSIZE);
+/**
+ * Sets the size of the internal serialization buffer.
+ *
+ * @param size - The desired size for the internal serialization buffer
+ * @public
+ */
+function setInternalBufferSize(size) {
+    // Resize the internal serialization buffer if needed
+    if (buffer.length < size) {
+        buffer = Buffer.alloc(size);
+    }
+}
+/**
+ * Serialize a Javascript object.
+ *
+ * @param object - the Javascript object to serialize.
+ * @returns Buffer object containing the serialized object.
+ * @public
+ */
+function serialize(object, options) {
+    if (options === void 0) { options = {}; }
+    // Unpack the options
+    var checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+    var minInternalBufferSize = typeof options.minInternalBufferSize === 'number' ? options.minInternalBufferSize : MAXSIZE;
+    // Resize the internal serialization buffer if needed
+    if (buffer.length < minInternalBufferSize) {
+        buffer = Buffer.alloc(minInternalBufferSize);
+    }
+    // Attempt to serialize
+    var serializationIndex = serializeInto(buffer, object, checkKeys, 0, 0, serializeFunctions, ignoreUndefined, []);
+    // Create the final buffer
+    var finishedBuffer = Buffer.alloc(serializationIndex);
+    // Copy into the finished buffer
+    buffer.copy(finishedBuffer, 0, 0, finishedBuffer.length);
+    // Return the buffer
+    return finishedBuffer;
+}
+/**
+ * Serialize a Javascript object using a predefined Buffer and index into the buffer,
+ * useful when pre-allocating the space for serialization.
+ *
+ * @param object - the Javascript object to serialize.
+ * @param finalBuffer - the Buffer you pre-allocated to store the serialized BSON object.
+ * @returns the index pointing to the last written byte in the buffer.
+ * @public
+ */
+function serializeWithBufferAndIndex(object, finalBuffer, options) {
+    if (options === void 0) { options = {}; }
+    // Unpack the options
+    var checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+    var startIndex = typeof options.index === 'number' ? options.index : 0;
+    // Attempt to serialize
+    var serializationIndex = serializeInto(buffer, object, checkKeys, 0, 0, serializeFunctions, ignoreUndefined);
+    buffer.copy(finalBuffer, startIndex, 0, serializationIndex);
+    // Return the index
+    return startIndex + serializationIndex - 1;
+}
+/**
+ * Deserialize data as BSON.
+ *
+ * @param buffer - the buffer containing the serialized set of BSON documents.
+ * @returns returns the deserialized Javascript Object.
+ * @public
+ */
+function deserialize(buffer, options) {
+    if (options === void 0) { options = {}; }
+    return deserialize$1(buffer instanceof Buffer ? buffer : ensureBuffer(buffer), options);
+}
+/**
+ * Calculate the bson size for a passed in Javascript object.
+ *
+ * @param object - the Javascript object to calculate the BSON byte size for
+ * @returns size of BSON object in bytes
+ * @public
+ */
+function calculateObjectSize(object, options) {
+    if (options === void 0) { options = {}; }
+    options = options || {};
+    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+    return calculateObjectSize$1(object, serializeFunctions, ignoreUndefined);
+}
+/**
+ * Deserialize stream data as BSON documents.
+ *
+ * @param data - the buffer containing the serialized set of BSON documents.
+ * @param startIndex - the start index in the data Buffer where the deserialization is to start.
+ * @param numberOfDocuments - number of documents to deserialize.
+ * @param documents - an array where to store the deserialized documents.
+ * @param docStartIndex - the index in the documents array from where to start inserting documents.
+ * @param options - additional options used for the deserialization.
+ * @returns next index in the buffer after deserialization **x** numbers of documents.
+ * @public
+ */
+function deserializeStream(data, startIndex, numberOfDocuments, documents, docStartIndex, options) {
+    var internalOptions = Object.assign({ allowObjectSmallerThanBufferSize: true, index: 0 }, options);
+    var bufferData = ensureBuffer(data);
+    var index = startIndex;
+    // Loop over all documents
+    for (var i = 0; i < numberOfDocuments; i++) {
+        // Find size of the document
+        var size = bufferData[index] |
+            (bufferData[index + 1] << 8) |
+            (bufferData[index + 2] << 16) |
+            (bufferData[index + 3] << 24);
+        // Update options with index
+        internalOptions.index = index;
+        // Parse the document at this point
+        documents[docStartIndex + i] = deserialize$1(bufferData, internalOptions);
+        // Adjust index by the document size
+        index = index + size;
+    }
+    // Return object containing end index of parsing and list of documents
+    return index;
+}
+/**
+ * BSON default export
+ * @deprecated Please use named exports
+ * @privateRemarks
+ * We want to someday deprecate the default export,
+ * so none of the new TS types are being exported on the default
+ * @public
+ */
+var BSON = {
+    Binary: Binary,
+    Code: Code,
+    DBRef: DBRef,
+    Decimal128: Decimal128,
+    Double: Double,
+    Int32: Int32,
+    Long: Long,
+    UUID: UUID,
+    Map: bsonMap,
+    MaxKey: MaxKey,
+    MinKey: MinKey,
+    ObjectId: ObjectId,
+    ObjectID: ObjectId,
+    BSONRegExp: BSONRegExp,
+    BSONSymbol: BSONSymbol,
+    Timestamp: Timestamp,
+    EJSON: EJSON,
+    setInternalBufferSize: setInternalBufferSize,
+    serialize: serialize,
+    serializeWithBufferAndIndex: serializeWithBufferAndIndex,
+    deserialize: deserialize,
+    calculateObjectSize: calculateObjectSize,
+    deserializeStream: deserializeStream,
+    BSONError: BSONError,
+    BSONTypeError: BSONTypeError
+};
+
+export default BSON;
+export { BSONError, BSONRegExp, BSONSymbol, BSONTypeError, BSON_BINARY_SUBTYPE_BYTE_ARRAY, BSON_BINARY_SUBTYPE_COLUMN, BSON_BINARY_SUBTYPE_DEFAULT, BSON_BINARY_SUBTYPE_ENCRYPTED, BSON_BINARY_SUBTYPE_FUNCTION, BSON_BINARY_SUBTYPE_MD5, BSON_BINARY_SUBTYPE_USER_DEFINED, BSON_BINARY_SUBTYPE_UUID, BSON_BINARY_SUBTYPE_UUID_NEW, BSON_DATA_ARRAY, BSON_DATA_BINARY, BSON_DATA_BOOLEAN, BSON_DATA_CODE, BSON_DATA_CODE_W_SCOPE, BSON_DATA_DATE, BSON_DATA_DBPOINTER, BSON_DATA_DECIMAL128, BSON_DATA_INT, BSON_DATA_LONG, BSON_DATA_MAX_KEY, BSON_DATA_MIN_KEY, BSON_DATA_NULL, BSON_DATA_NUMBER, BSON_DATA_OBJECT, BSON_DATA_OID, BSON_DATA_REGEXP, BSON_DATA_STRING, BSON_DATA_SYMBOL, BSON_DATA_TIMESTAMP, BSON_DATA_UNDEFINED, BSON_INT32_MAX$1 as BSON_INT32_MAX, BSON_INT32_MIN$1 as BSON_INT32_MIN, BSON_INT64_MAX$1 as BSON_INT64_MAX, BSON_INT64_MIN$1 as BSON_INT64_MIN, Binary, Code, DBRef, Decimal128, Double, EJSON, Int32, Long, LongWithoutOverridesClass, bsonMap as Map, MaxKey, MinKey, ObjectId as ObjectID, ObjectId, Timestamp, UUID, calculateObjectSize, deserialize, deserializeStream, serialize, serializeWithBufferAndIndex, setInternalBufferSize };
+//# sourceMappingURL=bson.esm.js.map
diff --git a/node_modules/bson/dist/bson.esm.js.map b/node_modules/bson/dist/bson.esm.js.map
new file mode 100644
index 000000000..c1919da83
--- /dev/null
+++ b/node_modules/bson/dist/bson.esm.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"bson.esm.js","sources":["../node_modules/tslib/tslib.es6.js","../src/error.ts","../src/utils/global.ts","../src/parser/utils.ts","../src/ensure_buffer.ts","../src/uuid_utils.ts","../src/constants.ts","../src/binary.ts","../src/code.ts","../src/db_ref.ts","../src/long.ts","../src/decimal128.ts","../src/double.ts","../src/int_32.ts","../src/max_key.ts","../src/min_key.ts","../src/objectid.ts","../src/regexp.ts","../src/symbol.ts","../src/timestamp.ts","../src/extended_json.ts","../src/map.ts","../src/parser/calculate_size.ts","../src/validate_utf8.ts","../src/parser/deserializer.ts","../src/parser/serializer.ts","../src/bson.ts"],"sourcesContent":["/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n    extendStatics = Object.setPrototypeOf ||\r\n        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };\r\n    return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n    extendStatics(d, b);\r\n    function __() { this.constructor = d; }\r\n    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n    __assign = Object.assign || function __assign(t) {\r\n        for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n            s = arguments[i];\r\n            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n        }\r\n        return t;\r\n    }\r\n    return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n    var t = {};\r\n    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n        t[p] = s[p];\r\n    if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n                t[p[i]] = s[p[i]];\r\n        }\r\n    return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n    var c = arguments.length, r = c < 3 ? 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\ No newline at end of file
diff --git a/node_modules/bson/etc/prepare.js b/node_modules/bson/etc/prepare.js
new file mode 100644
index 000000000..91e6f3a97
--- /dev/null
+++ b/node_modules/bson/etc/prepare.js
@@ -0,0 +1,19 @@
+#! /usr/bin/env node
+var cp = require('child_process');
+var fs = require('fs');
+
+var nodeMajorVersion = +process.version.match(/^v(\d+)\.\d+/)[1];
+
+if (fs.existsSync('src') && nodeMajorVersion >= 10) {
+  cp.spawnSync('npm', ['run', 'build'], { stdio: 'inherit', shell: true });
+} else {
+  if (!fs.existsSync('lib')) {
+    console.warn('BSON: No compiled javascript present, the library is not installed correctly.');
+    if (nodeMajorVersion < 10) {
+      console.warn(
+        'This library can only be compiled in nodejs version 10 or later, currently running: ' +
+          nodeMajorVersion
+      );
+    }
+  }
+}
diff --git a/node_modules/bson/lib/binary.js b/node_modules/bson/lib/binary.js
new file mode 100644
index 000000000..39e13422e
--- /dev/null
+++ b/node_modules/bson/lib/binary.js
@@ -0,0 +1,426 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.UUID = exports.Binary = void 0;
+var buffer_1 = require("buffer");
+var ensure_buffer_1 = require("./ensure_buffer");
+var uuid_utils_1 = require("./uuid_utils");
+var utils_1 = require("./parser/utils");
+var error_1 = require("./error");
+var constants_1 = require("./constants");
+/**
+ * A class representation of the BSON Binary type.
+ * @public
+ * @category BSONType
+ */
+var Binary = /** @class */ (function () {
+    /**
+     * Create a new Binary instance.
+     *
+     * This constructor can accept a string as its first argument. In this case,
+     * this string will be encoded using ISO-8859-1, **not** using UTF-8.
+     * This is almost certainly not what you want. Use `new Binary(Buffer.from(string))`
+     * instead to convert the string to a Buffer using UTF-8 first.
+     *
+     * @param buffer - a buffer object containing the binary data.
+     * @param subType - the option binary type.
+     */
+    function Binary(buffer, subType) {
+        if (!(this instanceof Binary))
+            return new Binary(buffer, subType);
+        if (!(buffer == null) &&
+            !(typeof buffer === 'string') &&
+            !ArrayBuffer.isView(buffer) &&
+            !(buffer instanceof ArrayBuffer) &&
+            !Array.isArray(buffer)) {
+            throw new error_1.BSONTypeError('Binary can only be constructed from string, Buffer, TypedArray, or Array<number>');
+        }
+        this.sub_type = subType !== null && subType !== void 0 ? subType : Binary.BSON_BINARY_SUBTYPE_DEFAULT;
+        if (buffer == null) {
+            // create an empty binary buffer
+            this.buffer = buffer_1.Buffer.alloc(Binary.BUFFER_SIZE);
+            this.position = 0;
+        }
+        else {
+            if (typeof buffer === 'string') {
+                // string
+                this.buffer = buffer_1.Buffer.from(buffer, 'binary');
+            }
+            else if (Array.isArray(buffer)) {
+                // number[]
+                this.buffer = buffer_1.Buffer.from(buffer);
+            }
+            else {
+                // Buffer | TypedArray | ArrayBuffer
+                this.buffer = (0, ensure_buffer_1.ensureBuffer)(buffer);
+            }
+            this.position = this.buffer.byteLength;
+        }
+    }
+    /**
+     * Updates this binary with byte_value.
+     *
+     * @param byteValue - a single byte we wish to write.
+     */
+    Binary.prototype.put = function (byteValue) {
+        // If it's a string and a has more than one character throw an error
+        if (typeof byteValue === 'string' && byteValue.length !== 1) {
+            throw new error_1.BSONTypeError('only accepts single character String');
+        }
+        else if (typeof byteValue !== 'number' && byteValue.length !== 1)
+            throw new error_1.BSONTypeError('only accepts single character Uint8Array or Array');
+        // Decode the byte value once
+        var decodedByte;
+        if (typeof byteValue === 'string') {
+            decodedByte = byteValue.charCodeAt(0);
+        }
+        else if (typeof byteValue === 'number') {
+            decodedByte = byteValue;
+        }
+        else {
+            decodedByte = byteValue[0];
+        }
+        if (decodedByte < 0 || decodedByte > 255) {
+            throw new error_1.BSONTypeError('only accepts number in a valid unsigned byte range 0-255');
+        }
+        if (this.buffer.length > this.position) {
+            this.buffer[this.position++] = decodedByte;
+        }
+        else {
+            var buffer = buffer_1.Buffer.alloc(Binary.BUFFER_SIZE + this.buffer.length);
+            // Combine the two buffers together
+            this.buffer.copy(buffer, 0, 0, this.buffer.length);
+            this.buffer = buffer;
+            this.buffer[this.position++] = decodedByte;
+        }
+    };
+    /**
+     * Writes a buffer or string to the binary.
+     *
+     * @param sequence - a string or buffer to be written to the Binary BSON object.
+     * @param offset - specify the binary of where to write the content.
+     */
+    Binary.prototype.write = function (sequence, offset) {
+        offset = typeof offset === 'number' ? offset : this.position;
+        // If the buffer is to small let's extend the buffer
+        if (this.buffer.length < offset + sequence.length) {
+            var buffer = buffer_1.Buffer.alloc(this.buffer.length + sequence.length);
+            this.buffer.copy(buffer, 0, 0, this.buffer.length);
+            // Assign the new buffer
+            this.buffer = buffer;
+        }
+        if (ArrayBuffer.isView(sequence)) {
+            this.buffer.set((0, ensure_buffer_1.ensureBuffer)(sequence), offset);
+            this.position =
+                offset + sequence.byteLength > this.position ? offset + sequence.length : this.position;
+        }
+        else if (typeof sequence === 'string') {
+            this.buffer.write(sequence, offset, sequence.length, 'binary');
+            this.position =
+                offset + sequence.length > this.position ? offset + sequence.length : this.position;
+        }
+    };
+    /**
+     * Reads **length** bytes starting at **position**.
+     *
+     * @param position - read from the given position in the Binary.
+     * @param length - the number of bytes to read.
+     */
+    Binary.prototype.read = function (position, length) {
+        length = length && length > 0 ? length : this.position;
+        // Let's return the data based on the type we have
+        return this.buffer.slice(position, position + length);
+    };
+    /**
+     * Returns the value of this binary as a string.
+     * @param asRaw - Will skip converting to a string
+     * @remarks
+     * This is handy when calling this function conditionally for some key value pairs and not others
+     */
+    Binary.prototype.value = function (asRaw) {
+        asRaw = !!asRaw;
+        // Optimize to serialize for the situation where the data == size of buffer
+        if (asRaw && this.buffer.length === this.position) {
+            return this.buffer;
+        }
+        // If it's a node.js buffer object
+        if (asRaw) {
+            return this.buffer.slice(0, this.position);
+        }
+        return this.buffer.toString('binary', 0, this.position);
+    };
+    /** the length of the binary sequence */
+    Binary.prototype.length = function () {
+        return this.position;
+    };
+    Binary.prototype.toJSON = function () {
+        return this.buffer.toString('base64');
+    };
+    Binary.prototype.toString = function (format) {
+        return this.buffer.toString(format);
+    };
+    /** @internal */
+    Binary.prototype.toExtendedJSON = function (options) {
+        options = options || {};
+        var base64String = this.buffer.toString('base64');
+        var subType = Number(this.sub_type).toString(16);
+        if (options.legacy) {
+            return {
+                $binary: base64String,
+                $type: subType.length === 1 ? '0' + subType : subType
+            };
+        }
+        return {
+            $binary: {
+                base64: base64String,
+                subType: subType.length === 1 ? '0' + subType : subType
+            }
+        };
+    };
+    Binary.prototype.toUUID = function () {
+        if (this.sub_type === Binary.SUBTYPE_UUID) {
+            return new UUID(this.buffer.slice(0, this.position));
+        }
+        throw new error_1.BSONError("Binary sub_type \"".concat(this.sub_type, "\" is not supported for converting to UUID. Only \"").concat(Binary.SUBTYPE_UUID, "\" is currently supported."));
+    };
+    /** @internal */
+    Binary.fromExtendedJSON = function (doc, options) {
+        options = options || {};
+        var data;
+        var type;
+        if ('$binary' in doc) {
+            if (options.legacy && typeof doc.$binary === 'string' && '$type' in doc) {
+                type = doc.$type ? parseInt(doc.$type, 16) : 0;
+                data = buffer_1.Buffer.from(doc.$binary, 'base64');
+            }
+            else {
+                if (typeof doc.$binary !== 'string') {
+                    type = doc.$binary.subType ? parseInt(doc.$binary.subType, 16) : 0;
+                    data = buffer_1.Buffer.from(doc.$binary.base64, 'base64');
+                }
+            }
+        }
+        else if ('$uuid' in doc) {
+            type = 4;
+            data = (0, uuid_utils_1.uuidHexStringToBuffer)(doc.$uuid);
+        }
+        if (!data) {
+            throw new error_1.BSONTypeError("Unexpected Binary Extended JSON format ".concat(JSON.stringify(doc)));
+        }
+        return type === constants_1.BSON_BINARY_SUBTYPE_UUID_NEW ? new UUID(data) : new Binary(data, type);
+    };
+    /** @internal */
+    Binary.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Binary.prototype.inspect = function () {
+        var asBuffer = this.value(true);
+        return "new Binary(Buffer.from(\"".concat(asBuffer.toString('hex'), "\", \"hex\"), ").concat(this.sub_type, ")");
+    };
+    /**
+     * Binary default subtype
+     * @internal
+     */
+    Binary.BSON_BINARY_SUBTYPE_DEFAULT = 0;
+    /** Initial buffer default size */
+    Binary.BUFFER_SIZE = 256;
+    /** Default BSON type */
+    Binary.SUBTYPE_DEFAULT = 0;
+    /** Function BSON type */
+    Binary.SUBTYPE_FUNCTION = 1;
+    /** Byte Array BSON type */
+    Binary.SUBTYPE_BYTE_ARRAY = 2;
+    /** Deprecated UUID BSON type @deprecated Please use SUBTYPE_UUID */
+    Binary.SUBTYPE_UUID_OLD = 3;
+    /** UUID BSON type */
+    Binary.SUBTYPE_UUID = 4;
+    /** MD5 BSON type */
+    Binary.SUBTYPE_MD5 = 5;
+    /** Encrypted BSON type */
+    Binary.SUBTYPE_ENCRYPTED = 6;
+    /** Column BSON type */
+    Binary.SUBTYPE_COLUMN = 7;
+    /** User BSON type */
+    Binary.SUBTYPE_USER_DEFINED = 128;
+    return Binary;
+}());
+exports.Binary = Binary;
+Object.defineProperty(Binary.prototype, '_bsontype', { value: 'Binary' });
+var UUID_BYTE_LENGTH = 16;
+/**
+ * A class representation of the BSON UUID type.
+ * @public
+ */
+var UUID = /** @class */ (function (_super) {
+    __extends(UUID, _super);
+    /**
+     * Create an UUID type
+     *
+     * @param input - Can be a 32 or 36 character hex string (dashes excluded/included) or a 16 byte binary Buffer.
+     */
+    function UUID(input) {
+        var _this = this;
+        var bytes;
+        var hexStr;
+        if (input == null) {
+            bytes = UUID.generate();
+        }
+        else if (input instanceof UUID) {
+            bytes = buffer_1.Buffer.from(input.buffer);
+            hexStr = input.__id;
+        }
+        else if (ArrayBuffer.isView(input) && input.byteLength === UUID_BYTE_LENGTH) {
+            bytes = (0, ensure_buffer_1.ensureBuffer)(input);
+        }
+        else if (typeof input === 'string') {
+            bytes = (0, uuid_utils_1.uuidHexStringToBuffer)(input);
+        }
+        else {
+            throw new error_1.BSONTypeError('Argument passed in UUID constructor must be a UUID, a 16 byte Buffer or a 32/36 character hex string (dashes excluded/included, format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).');
+        }
+        _this = _super.call(this, bytes, constants_1.BSON_BINARY_SUBTYPE_UUID_NEW) || this;
+        _this.__id = hexStr;
+        return _this;
+    }
+    Object.defineProperty(UUID.prototype, "id", {
+        /**
+         * The UUID bytes
+         * @readonly
+         */
+        get: function () {
+            return this.buffer;
+        },
+        set: function (value) {
+            this.buffer = value;
+            if (UUID.cacheHexString) {
+                this.__id = (0, uuid_utils_1.bufferToUuidHexString)(value);
+            }
+        },
+        enumerable: false,
+        configurable: true
+    });
+    /**
+     * Returns the UUID id as a 32 or 36 character hex string representation, excluding/including dashes (defaults to 36 character dash separated)
+     * @param includeDashes - should the string exclude dash-separators.
+     * */
+    UUID.prototype.toHexString = function (includeDashes) {
+        if (includeDashes === void 0) { includeDashes = true; }
+        if (UUID.cacheHexString && this.__id) {
+            return this.__id;
+        }
+        var uuidHexString = (0, uuid_utils_1.bufferToUuidHexString)(this.id, includeDashes);
+        if (UUID.cacheHexString) {
+            this.__id = uuidHexString;
+        }
+        return uuidHexString;
+    };
+    /**
+     * Converts the id into a 36 character (dashes included) hex string, unless a encoding is specified.
+     */
+    UUID.prototype.toString = function (encoding) {
+        return encoding ? this.id.toString(encoding) : this.toHexString();
+    };
+    /**
+     * Converts the id into its JSON string representation.
+     * A 36 character (dashes included) hex string in the format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+     */
+    UUID.prototype.toJSON = function () {
+        return this.toHexString();
+    };
+    /**
+     * Compares the equality of this UUID with `otherID`.
+     *
+     * @param otherId - UUID instance to compare against.
+     */
+    UUID.prototype.equals = function (otherId) {
+        if (!otherId) {
+            return false;
+        }
+        if (otherId instanceof UUID) {
+            return otherId.id.equals(this.id);
+        }
+        try {
+            return new UUID(otherId).id.equals(this.id);
+        }
+        catch (_a) {
+            return false;
+        }
+    };
+    /**
+     * Creates a Binary instance from the current UUID.
+     */
+    UUID.prototype.toBinary = function () {
+        return new Binary(this.id, Binary.SUBTYPE_UUID);
+    };
+    /**
+     * Generates a populated buffer containing a v4 uuid
+     */
+    UUID.generate = function () {
+        var bytes = (0, utils_1.randomBytes)(UUID_BYTE_LENGTH);
+        // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
+        // Kindly borrowed from https://github.com/uuidjs/uuid/blob/master/src/v4.js
+        bytes[6] = (bytes[6] & 0x0f) | 0x40;
+        bytes[8] = (bytes[8] & 0x3f) | 0x80;
+        return buffer_1.Buffer.from(bytes);
+    };
+    /**
+     * Checks if a value is a valid bson UUID
+     * @param input - UUID, string or Buffer to validate.
+     */
+    UUID.isValid = function (input) {
+        if (!input) {
+            return false;
+        }
+        if (input instanceof UUID) {
+            return true;
+        }
+        if (typeof input === 'string') {
+            return (0, uuid_utils_1.uuidValidateString)(input);
+        }
+        if ((0, utils_1.isUint8Array)(input)) {
+            // check for length & uuid version (https://tools.ietf.org/html/rfc4122#section-4.1.3)
+            if (input.length !== UUID_BYTE_LENGTH) {
+                return false;
+            }
+            return (input[6] & 0xf0) === 0x40 && (input[8] & 0x80) === 0x80;
+        }
+        return false;
+    };
+    /**
+     * Creates an UUID from a hex string representation of an UUID.
+     * @param hexString - 32 or 36 character hex string (dashes excluded/included).
+     */
+    UUID.createFromHexString = function (hexString) {
+        var buffer = (0, uuid_utils_1.uuidHexStringToBuffer)(hexString);
+        return new UUID(buffer);
+    };
+    /**
+     * Converts to a string representation of this Id.
+     *
+     * @returns return the 36 character hex string representation.
+     * @internal
+     */
+    UUID.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    UUID.prototype.inspect = function () {
+        return "new UUID(\"".concat(this.toHexString(), "\")");
+    };
+    return UUID;
+}(Binary));
+exports.UUID = UUID;
+//# sourceMappingURL=binary.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/binary.js.map b/node_modules/bson/lib/binary.js.map
new file mode 100644
index 000000000..412903a29
--- /dev/null
+++ b/node_modules/bson/lib/binary.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/bson/lib/bson.js b/node_modules/bson/lib/bson.js
new file mode 100644
index 000000000..265d4a0cb
--- /dev/null
+++ b/node_modules/bson/lib/bson.js
@@ -0,0 +1,251 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.BSONRegExp = exports.MaxKey = exports.MinKey = exports.Int32 = exports.Double = exports.Timestamp = exports.Long = exports.UUID = exports.ObjectId = exports.Binary = exports.DBRef = exports.BSONSymbol = exports.Map = exports.Code = exports.LongWithoutOverridesClass = exports.EJSON = exports.BSON_INT64_MIN = exports.BSON_INT64_MAX = exports.BSON_INT32_MIN = exports.BSON_INT32_MAX = exports.BSON_DATA_UNDEFINED = exports.BSON_DATA_TIMESTAMP = exports.BSON_DATA_SYMBOL = exports.BSON_DATA_STRING = exports.BSON_DATA_REGEXP = exports.BSON_DATA_OID = exports.BSON_DATA_OBJECT = exports.BSON_DATA_NUMBER = exports.BSON_DATA_NULL = exports.BSON_DATA_MIN_KEY = exports.BSON_DATA_MAX_KEY = exports.BSON_DATA_LONG = exports.BSON_DATA_INT = exports.BSON_DATA_DECIMAL128 = exports.BSON_DATA_DBPOINTER = exports.BSON_DATA_DATE = exports.BSON_DATA_CODE_W_SCOPE = exports.BSON_DATA_CODE = exports.BSON_DATA_BOOLEAN = exports.BSON_DATA_BINARY = exports.BSON_DATA_ARRAY = exports.BSON_BINARY_SUBTYPE_COLUMN = exports.BSON_BINARY_SUBTYPE_ENCRYPTED = exports.BSON_BINARY_SUBTYPE_UUID_NEW = exports.BSON_BINARY_SUBTYPE_UUID = exports.BSON_BINARY_SUBTYPE_USER_DEFINED = exports.BSON_BINARY_SUBTYPE_MD5 = exports.BSON_BINARY_SUBTYPE_FUNCTION = exports.BSON_BINARY_SUBTYPE_DEFAULT = exports.BSON_BINARY_SUBTYPE_BYTE_ARRAY = void 0;
+exports.deserializeStream = exports.calculateObjectSize = exports.deserialize = exports.serializeWithBufferAndIndex = exports.serialize = exports.setInternalBufferSize = exports.BSONTypeError = exports.BSONError = exports.ObjectID = exports.Decimal128 = void 0;
+var buffer_1 = require("buffer");
+var binary_1 = require("./binary");
+Object.defineProperty(exports, "Binary", { enumerable: true, get: function () { return binary_1.Binary; } });
+Object.defineProperty(exports, "UUID", { enumerable: true, get: function () { return binary_1.UUID; } });
+var code_1 = require("./code");
+Object.defineProperty(exports, "Code", { enumerable: true, get: function () { return code_1.Code; } });
+var db_ref_1 = require("./db_ref");
+Object.defineProperty(exports, "DBRef", { enumerable: true, get: function () { return db_ref_1.DBRef; } });
+var decimal128_1 = require("./decimal128");
+Object.defineProperty(exports, "Decimal128", { enumerable: true, get: function () { return decimal128_1.Decimal128; } });
+var double_1 = require("./double");
+Object.defineProperty(exports, "Double", { enumerable: true, get: function () { return double_1.Double; } });
+var ensure_buffer_1 = require("./ensure_buffer");
+var extended_json_1 = require("./extended_json");
+var int_32_1 = require("./int_32");
+Object.defineProperty(exports, "Int32", { enumerable: true, get: function () { return int_32_1.Int32; } });
+var long_1 = require("./long");
+Object.defineProperty(exports, "Long", { enumerable: true, get: function () { return long_1.Long; } });
+var map_1 = require("./map");
+Object.defineProperty(exports, "Map", { enumerable: true, get: function () { return map_1.Map; } });
+var max_key_1 = require("./max_key");
+Object.defineProperty(exports, "MaxKey", { enumerable: true, get: function () { return max_key_1.MaxKey; } });
+var min_key_1 = require("./min_key");
+Object.defineProperty(exports, "MinKey", { enumerable: true, get: function () { return min_key_1.MinKey; } });
+var objectid_1 = require("./objectid");
+Object.defineProperty(exports, "ObjectId", { enumerable: true, get: function () { return objectid_1.ObjectId; } });
+Object.defineProperty(exports, "ObjectID", { enumerable: true, get: function () { return objectid_1.ObjectId; } });
+var error_1 = require("./error");
+var calculate_size_1 = require("./parser/calculate_size");
+// Parts of the parser
+var deserializer_1 = require("./parser/deserializer");
+var serializer_1 = require("./parser/serializer");
+var regexp_1 = require("./regexp");
+Object.defineProperty(exports, "BSONRegExp", { enumerable: true, get: function () { return regexp_1.BSONRegExp; } });
+var symbol_1 = require("./symbol");
+Object.defineProperty(exports, "BSONSymbol", { enumerable: true, get: function () { return symbol_1.BSONSymbol; } });
+var timestamp_1 = require("./timestamp");
+Object.defineProperty(exports, "Timestamp", { enumerable: true, get: function () { return timestamp_1.Timestamp; } });
+var constants_1 = require("./constants");
+Object.defineProperty(exports, "BSON_BINARY_SUBTYPE_BYTE_ARRAY", { enumerable: true, get: function () { return constants_1.BSON_BINARY_SUBTYPE_BYTE_ARRAY; } });
+Object.defineProperty(exports, "BSON_BINARY_SUBTYPE_DEFAULT", { enumerable: true, get: function () { return constants_1.BSON_BINARY_SUBTYPE_DEFAULT; } });
+Object.defineProperty(exports, "BSON_BINARY_SUBTYPE_FUNCTION", { enumerable: true, get: function () { return constants_1.BSON_BINARY_SUBTYPE_FUNCTION; } });
+Object.defineProperty(exports, "BSON_BINARY_SUBTYPE_MD5", { enumerable: true, get: function () { return constants_1.BSON_BINARY_SUBTYPE_MD5; } });
+Object.defineProperty(exports, "BSON_BINARY_SUBTYPE_USER_DEFINED", { enumerable: true, get: function () { return constants_1.BSON_BINARY_SUBTYPE_USER_DEFINED; } });
+Object.defineProperty(exports, "BSON_BINARY_SUBTYPE_UUID", { enumerable: true, get: function () { return constants_1.BSON_BINARY_SUBTYPE_UUID; } });
+Object.defineProperty(exports, "BSON_BINARY_SUBTYPE_UUID_NEW", { enumerable: true, get: function () { return constants_1.BSON_BINARY_SUBTYPE_UUID_NEW; } });
+Object.defineProperty(exports, "BSON_BINARY_SUBTYPE_ENCRYPTED", { enumerable: true, get: function () { return constants_1.BSON_BINARY_SUBTYPE_ENCRYPTED; } });
+Object.defineProperty(exports, "BSON_BINARY_SUBTYPE_COLUMN", { enumerable: true, get: function () { return constants_1.BSON_BINARY_SUBTYPE_COLUMN; } });
+Object.defineProperty(exports, "BSON_DATA_ARRAY", { enumerable: true, get: function () { return constants_1.BSON_DATA_ARRAY; } });
+Object.defineProperty(exports, "BSON_DATA_BINARY", { enumerable: true, get: function () { return constants_1.BSON_DATA_BINARY; } });
+Object.defineProperty(exports, "BSON_DATA_BOOLEAN", { enumerable: true, get: function () { return constants_1.BSON_DATA_BOOLEAN; } });
+Object.defineProperty(exports, "BSON_DATA_CODE", { enumerable: true, get: function () { return constants_1.BSON_DATA_CODE; } });
+Object.defineProperty(exports, "BSON_DATA_CODE_W_SCOPE", { enumerable: true, get: function () { return constants_1.BSON_DATA_CODE_W_SCOPE; } });
+Object.defineProperty(exports, "BSON_DATA_DATE", { enumerable: true, get: function () { return constants_1.BSON_DATA_DATE; } });
+Object.defineProperty(exports, "BSON_DATA_DBPOINTER", { enumerable: true, get: function () { return constants_1.BSON_DATA_DBPOINTER; } });
+Object.defineProperty(exports, "BSON_DATA_DECIMAL128", { enumerable: true, get: function () { return constants_1.BSON_DATA_DECIMAL128; } });
+Object.defineProperty(exports, "BSON_DATA_INT", { enumerable: true, get: function () { return constants_1.BSON_DATA_INT; } });
+Object.defineProperty(exports, "BSON_DATA_LONG", { enumerable: true, get: function () { return constants_1.BSON_DATA_LONG; } });
+Object.defineProperty(exports, "BSON_DATA_MAX_KEY", { enumerable: true, get: function () { return constants_1.BSON_DATA_MAX_KEY; } });
+Object.defineProperty(exports, "BSON_DATA_MIN_KEY", { enumerable: true, get: function () { return constants_1.BSON_DATA_MIN_KEY; } });
+Object.defineProperty(exports, "BSON_DATA_NULL", { enumerable: true, get: function () { return constants_1.BSON_DATA_NULL; } });
+Object.defineProperty(exports, "BSON_DATA_NUMBER", { enumerable: true, get: function () { return constants_1.BSON_DATA_NUMBER; } });
+Object.defineProperty(exports, "BSON_DATA_OBJECT", { enumerable: true, get: function () { return constants_1.BSON_DATA_OBJECT; } });
+Object.defineProperty(exports, "BSON_DATA_OID", { enumerable: true, get: function () { return constants_1.BSON_DATA_OID; } });
+Object.defineProperty(exports, "BSON_DATA_REGEXP", { enumerable: true, get: function () { return constants_1.BSON_DATA_REGEXP; } });
+Object.defineProperty(exports, "BSON_DATA_STRING", { enumerable: true, get: function () { return constants_1.BSON_DATA_STRING; } });
+Object.defineProperty(exports, "BSON_DATA_SYMBOL", { enumerable: true, get: function () { return constants_1.BSON_DATA_SYMBOL; } });
+Object.defineProperty(exports, "BSON_DATA_TIMESTAMP", { enumerable: true, get: function () { return constants_1.BSON_DATA_TIMESTAMP; } });
+Object.defineProperty(exports, "BSON_DATA_UNDEFINED", { enumerable: true, get: function () { return constants_1.BSON_DATA_UNDEFINED; } });
+Object.defineProperty(exports, "BSON_INT32_MAX", { enumerable: true, get: function () { return constants_1.BSON_INT32_MAX; } });
+Object.defineProperty(exports, "BSON_INT32_MIN", { enumerable: true, get: function () { return constants_1.BSON_INT32_MIN; } });
+Object.defineProperty(exports, "BSON_INT64_MAX", { enumerable: true, get: function () { return constants_1.BSON_INT64_MAX; } });
+Object.defineProperty(exports, "BSON_INT64_MIN", { enumerable: true, get: function () { return constants_1.BSON_INT64_MIN; } });
+var extended_json_2 = require("./extended_json");
+Object.defineProperty(exports, "EJSON", { enumerable: true, get: function () { return extended_json_2.EJSON; } });
+var timestamp_2 = require("./timestamp");
+Object.defineProperty(exports, "LongWithoutOverridesClass", { enumerable: true, get: function () { return timestamp_2.LongWithoutOverridesClass; } });
+var error_2 = require("./error");
+Object.defineProperty(exports, "BSONError", { enumerable: true, get: function () { return error_2.BSONError; } });
+Object.defineProperty(exports, "BSONTypeError", { enumerable: true, get: function () { return error_2.BSONTypeError; } });
+/** @internal */
+// Default Max Size
+var MAXSIZE = 1024 * 1024 * 17;
+// Current Internal Temporary Serialization Buffer
+var buffer = buffer_1.Buffer.alloc(MAXSIZE);
+/**
+ * Sets the size of the internal serialization buffer.
+ *
+ * @param size - The desired size for the internal serialization buffer
+ * @public
+ */
+function setInternalBufferSize(size) {
+    // Resize the internal serialization buffer if needed
+    if (buffer.length < size) {
+        buffer = buffer_1.Buffer.alloc(size);
+    }
+}
+exports.setInternalBufferSize = setInternalBufferSize;
+/**
+ * Serialize a Javascript object.
+ *
+ * @param object - the Javascript object to serialize.
+ * @returns Buffer object containing the serialized object.
+ * @public
+ */
+function serialize(object, options) {
+    if (options === void 0) { options = {}; }
+    // Unpack the options
+    var checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+    var minInternalBufferSize = typeof options.minInternalBufferSize === 'number' ? options.minInternalBufferSize : MAXSIZE;
+    // Resize the internal serialization buffer if needed
+    if (buffer.length < minInternalBufferSize) {
+        buffer = buffer_1.Buffer.alloc(minInternalBufferSize);
+    }
+    // Attempt to serialize
+    var serializationIndex = (0, serializer_1.serializeInto)(buffer, object, checkKeys, 0, 0, serializeFunctions, ignoreUndefined, []);
+    // Create the final buffer
+    var finishedBuffer = buffer_1.Buffer.alloc(serializationIndex);
+    // Copy into the finished buffer
+    buffer.copy(finishedBuffer, 0, 0, finishedBuffer.length);
+    // Return the buffer
+    return finishedBuffer;
+}
+exports.serialize = serialize;
+/**
+ * Serialize a Javascript object using a predefined Buffer and index into the buffer,
+ * useful when pre-allocating the space for serialization.
+ *
+ * @param object - the Javascript object to serialize.
+ * @param finalBuffer - the Buffer you pre-allocated to store the serialized BSON object.
+ * @returns the index pointing to the last written byte in the buffer.
+ * @public
+ */
+function serializeWithBufferAndIndex(object, finalBuffer, options) {
+    if (options === void 0) { options = {}; }
+    // Unpack the options
+    var checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+    var startIndex = typeof options.index === 'number' ? options.index : 0;
+    // Attempt to serialize
+    var serializationIndex = (0, serializer_1.serializeInto)(buffer, object, checkKeys, 0, 0, serializeFunctions, ignoreUndefined);
+    buffer.copy(finalBuffer, startIndex, 0, serializationIndex);
+    // Return the index
+    return startIndex + serializationIndex - 1;
+}
+exports.serializeWithBufferAndIndex = serializeWithBufferAndIndex;
+/**
+ * Deserialize data as BSON.
+ *
+ * @param buffer - the buffer containing the serialized set of BSON documents.
+ * @returns returns the deserialized Javascript Object.
+ * @public
+ */
+function deserialize(buffer, options) {
+    if (options === void 0) { options = {}; }
+    return (0, deserializer_1.deserialize)(buffer instanceof buffer_1.Buffer ? buffer : (0, ensure_buffer_1.ensureBuffer)(buffer), options);
+}
+exports.deserialize = deserialize;
+/**
+ * Calculate the bson size for a passed in Javascript object.
+ *
+ * @param object - the Javascript object to calculate the BSON byte size for
+ * @returns size of BSON object in bytes
+ * @public
+ */
+function calculateObjectSize(object, options) {
+    if (options === void 0) { options = {}; }
+    options = options || {};
+    var serializeFunctions = typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+    var ignoreUndefined = typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+    return (0, calculate_size_1.calculateObjectSize)(object, serializeFunctions, ignoreUndefined);
+}
+exports.calculateObjectSize = calculateObjectSize;
+/**
+ * Deserialize stream data as BSON documents.
+ *
+ * @param data - the buffer containing the serialized set of BSON documents.
+ * @param startIndex - the start index in the data Buffer where the deserialization is to start.
+ * @param numberOfDocuments - number of documents to deserialize.
+ * @param documents - an array where to store the deserialized documents.
+ * @param docStartIndex - the index in the documents array from where to start inserting documents.
+ * @param options - additional options used for the deserialization.
+ * @returns next index in the buffer after deserialization **x** numbers of documents.
+ * @public
+ */
+function deserializeStream(data, startIndex, numberOfDocuments, documents, docStartIndex, options) {
+    var internalOptions = Object.assign({ allowObjectSmallerThanBufferSize: true, index: 0 }, options);
+    var bufferData = (0, ensure_buffer_1.ensureBuffer)(data);
+    var index = startIndex;
+    // Loop over all documents
+    for (var i = 0; i < numberOfDocuments; i++) {
+        // Find size of the document
+        var size = bufferData[index] |
+            (bufferData[index + 1] << 8) |
+            (bufferData[index + 2] << 16) |
+            (bufferData[index + 3] << 24);
+        // Update options with index
+        internalOptions.index = index;
+        // Parse the document at this point
+        documents[docStartIndex + i] = (0, deserializer_1.deserialize)(bufferData, internalOptions);
+        // Adjust index by the document size
+        index = index + size;
+    }
+    // Return object containing end index of parsing and list of documents
+    return index;
+}
+exports.deserializeStream = deserializeStream;
+/**
+ * BSON default export
+ * @deprecated Please use named exports
+ * @privateRemarks
+ * We want to someday deprecate the default export,
+ * so none of the new TS types are being exported on the default
+ * @public
+ */
+var BSON = {
+    Binary: binary_1.Binary,
+    Code: code_1.Code,
+    DBRef: db_ref_1.DBRef,
+    Decimal128: decimal128_1.Decimal128,
+    Double: double_1.Double,
+    Int32: int_32_1.Int32,
+    Long: long_1.Long,
+    UUID: binary_1.UUID,
+    Map: map_1.Map,
+    MaxKey: max_key_1.MaxKey,
+    MinKey: min_key_1.MinKey,
+    ObjectId: objectid_1.ObjectId,
+    ObjectID: objectid_1.ObjectId,
+    BSONRegExp: regexp_1.BSONRegExp,
+    BSONSymbol: symbol_1.BSONSymbol,
+    Timestamp: timestamp_1.Timestamp,
+    EJSON: extended_json_1.EJSON,
+    setInternalBufferSize: setInternalBufferSize,
+    serialize: serialize,
+    serializeWithBufferAndIndex: serializeWithBufferAndIndex,
+    deserialize: deserialize,
+    calculateObjectSize: calculateObjectSize,
+    deserializeStream: deserializeStream,
+    BSONError: error_1.BSONError,
+    BSONTypeError: error_1.BSONTypeError
+};
+exports.default = BSON;
+//# sourceMappingURL=bson.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/bson.js.map b/node_modules/bson/lib/bson.js.map
new file mode 100644
index 000000000..cc4b5c374
--- /dev/null
+++ b/node_modules/bson/lib/bson.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"bson.js","sourceRoot":"","sources":["../src/bson.ts"],"names":[],"mappings":";;;;AAAA,iCAAgC;AAChC,mCAAwC;AA+EtC,uFA/EO,eAAM,OA+EP;AAEN,qFAjFe,aAAI,OAiFf;AAhFN,+BAA8B;AA0E5B,qFA1EO,WAAI,OA0EP;AAzEN,mCAAiC;AA4E/B,sFA5EO,cAAK,OA4EP;AA3EP,2CAA0C;AAsFxC,2FAtFO,uBAAU,OAsFP;AArFZ,mCAAkC;AAgFhC,uFAhFO,eAAM,OAgFP;AA/ER,iDAA+C;AAC/C,iDAAwC;AACxC,mCAAiC;AA8E/B,sFA9EO,cAAK,OA8EP;AA7EP,+BAA8B;AA0E5B,qFA1EO,WAAI,OA0EP;AAzEN,6BAA4B;AAmE1B,oFAnEO,SAAG,OAmEP;AAlEL,qCAAmC;AA6EjC,uFA7EO,gBAAM,OA6EP;AA5ER,qCAAmC;AA2EjC,uFA3EO,gBAAM,OA2EP;AA1ER,uCAAsC;AAoEpC,yFApEO,mBAAQ,OAoEP;AAaI,yFAjFL,mBAAQ,OAiFK;AAhFtB,iCAAmD;AACnD,0DAA6F;AAC7F,sBAAsB;AACtB,sDAA+F;AAC/F,kDAA2F;AAC3F,mCAAsC;AAsEpC,2FAtEO,mBAAU,OAsEP;AArEZ,mCAAsC;AA0DpC,2FA1DO,mBAAU,OA0DP;AAzDZ,yCAAwC;AA+DtC,0FA/DO,qBAAS,OA+DP;AA5DX,yCAmCqB;AAlCnB,2HAAA,8BAA8B,OAAA;AAC9B,wHAAA,2BAA2B,OAAA;AAC3B,yHAAA,4BAA4B,OAAA;AAC5B,oHAAA,uBAAuB,OAAA;AACvB,6HAAA,gCAAgC,OAAA;AAChC,qHAAA,wBAAwB,OAAA;AACxB,yHAAA,4BAA4B,OAAA;AAC5B,0HAAA,6BAA6B,OAAA;AAC7B,uHAAA,0BAA0B,OAAA;AAC1B,4GAAA,eAAe,OAAA;AACf,6GAAA,gBAAgB,OAAA;AAChB,8GAAA,iBAAiB,OAAA;AACjB,2GAAA,cAAc,OAAA;AACd,mHAAA,sBAAsB,OAAA;AACtB,2GAAA,cAAc,OAAA;AACd,gHAAA,mBAAmB,OAAA;AACnB,iHAAA,oBAAoB,OAAA;AACpB,0GAAA,aAAa,OAAA;AACb,2GAAA,cAAc,OAAA;AACd,8GAAA,iBAAiB,OAAA;AACjB,8GAAA,iBAAiB,OAAA;AACjB,2GAAA,cAAc,OAAA;AACd,6GAAA,gBAAgB,OAAA;AAChB,6GAAA,gBAAgB,OAAA;AAChB,0GAAA,aAAa,OAAA;AACb,6GAAA,gBAAgB,OAAA;AAChB,6GAAA,gBAAgB,OAAA;AAChB,6GAAA,gBAAgB,OAAA;AAChB,gHAAA,mBAAmB,OAAA;AACnB,gHAAA,mBAAmB,OAAA;AACnB,2GAAA,cAAc,OAAA;AACd,2GAAA,cAAc,OAAA;AACd,2GAAA,cAAc,OAAA;AACd,2GAAA,cAAc,OAAA;AAMhB,iDAAwC;AAA/B,sGAAA,KAAK,OAAA;AASd,yCAAwD;AAA/C,sHAAA,yBAAyB,OAAA;AAuBlC,iCAAmD;AAA1C,kGAAA,SAAS,OAAA;AAAE,sGAAA,aAAa,OAAA;AAQjC,gBAAgB;AAChB,mBAAmB;AACnB,IAAM,OAAO,GAAG,IAAI,GAAG,IAAI,GAAG,EAAE,CAAC;AAEjC,kDAAkD;AAClD,IAAI,MAAM,GAAG,eAAM,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC;AAEnC;;;;;GAKG;AACH,SAAgB,qBAAqB,CAAC,IAAY;IAChD,qDAAqD;IACrD,IAAI,MAAM,CAAC,MAAM,GAAG,IAAI,EAAE;QACxB,MAAM,GAAG,eAAM,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC;KAC7B;AACH,CAAC;AALD,sDAKC;AAED;;;;;;GAMG;AACH,SAAgB,SAAS,CAAC,MAAgB,EAAE,OAA8B;IAA9B,wBAAA,EAAA,YAA8B;IACxE,qBAAqB;IACrB,IAAM,SAAS,GAAG,OAAO,OAAO,CAAC,SAAS,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,SAAS,CAAC,CAAC,CAAC,KAAK,CAAC;IACrF,IAAM,kBAAkB,GACtB,OAAO,OAAO,CAAC,kBAAkB,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,kBAAkB,CAAC,CAAC,CAAC,KAAK,CAAC;IACvF,IAAM,eAAe,GACnB,OAAO,OAAO,CAAC,eAAe,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,eAAe,CAAC,CAAC,CAAC,IAAI,CAAC;IAChF,IAAM,qBAAqB,GACzB,OAAO,OAAO,CAAC,qBAAqB,KAAK,QAAQ,CAAC,CAAC,CAAC,OAAO,CAAC,qBAAqB,CAAC,CAAC,CAAC,OAAO,CAAC;IAE9F,qDAAqD;IACrD,IAAI,MAAM,CAAC,MAAM,GAAG,qBAAqB,EAAE;QACzC,MAAM,GAAG,eAAM,CAAC,KAAK,CAAC,qBAAqB,CAAC,CAAC;KAC9C;IAED,uBAAuB;IACvB,IAAM,kBAAkB,GAAG,IAAA,0BAAiB,EAC1C,MAAM,EACN,MAAM,EACN,SAAS,EACT,CAAC,EACD,CAAC,EACD,kBAAkB,EAClB,eAAe,EACf,EAAE,CACH,CAAC;IAEF,0BAA0B;IAC1B,IAAM,cAAc,GAAG,eAAM,CAAC,KAAK,CAAC,kBAAkB,CAAC,CAAC;IAExD,gCAAgC;IAChC,MAAM,CAAC,IAAI,CAAC,cAAc,EAAE,CAAC,EAAE,CAAC,EAAE,cAAc,CAAC,MAAM,CAAC,CAAC;IAEzD,oBAAoB;IACpB,OAAO,cAAc,CAAC;AACxB,CAAC;AAnCD,8BAmCC;AAED;;;;;;;;GAQG;AACH,SAAgB,2BAA2B,CACzC,MAAgB,EAChB,WAAmB,EACnB,OAA8B;IAA9B,wBAAA,EAAA,YAA8B;IAE9B,qBAAqB;IACrB,IAAM,SAAS,GAAG,OAAO,OAAO,CAAC,SAAS,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,SAAS,CAAC,CAAC,CAAC,KAAK,CAAC;IACrF,IAAM,kBAAkB,GACtB,OAAO,OAAO,CAAC,kBAAkB,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,kBAAkB,CAAC,CAAC,CAAC,KAAK,CAAC;IACvF,IAAM,eAAe,GACnB,OAAO,OAAO,CAAC,eAAe,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,eAAe,CAAC,CAAC,CAAC,IAAI,CAAC;IAChF,IAAM,UAAU,GAAG,OAAO,OAAO,CAAC,KAAK,KAAK,QAAQ,CAAC,CAAC,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC;IAEzE,uBAAuB;IACvB,IAAM,kBAAkB,GAAG,IAAA,0BAAiB,EAC1C,MAAM,EACN,MAAM,EACN,SAAS,EACT,CAAC,EACD,CAAC,EACD,kBAAkB,EAClB,eAAe,CAChB,CAAC;IACF,MAAM,CAAC,IAAI,CAAC,WAAW,EAAE,UAAU,EAAE,CAAC,EAAE,kBAAkB,CAAC,CAAC;IAE5D,mBAAmB;IACnB,OAAO,UAAU,GAAG,kBAAkB,GAAG,CAAC,CAAC;AAC7C,CAAC;AA3BD,kEA2BC;AAED;;;;;;GAMG;AACH,SAAgB,WAAW,CACzB,MAA8C,EAC9C,OAAgC;IAAhC,wBAAA,EAAA,YAAgC;IAEhC,OAAO,IAAA,0BAAmB,EAAC,MAAM,YAAY,eAAM,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,IAAA,4BAAY,EAAC,MAAM,CAAC,EAAE,OAAO,CAAC,CAAC;AAChG,CAAC;AALD,kCAKC;AAQD;;;;;;GAMG;AACH,SAAgB,mBAAmB,CACjC,MAAgB,EAChB,OAAwC;IAAxC,wBAAA,EAAA,YAAwC;IAExC,OAAO,GAAG,OAAO,IAAI,EAAE,CAAC;IAExB,IAAM,kBAAkB,GACtB,OAAO,OAAO,CAAC,kBAAkB,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,kBAAkB,CAAC,CAAC,CAAC,KAAK,CAAC;IACvF,IAAM,eAAe,GACnB,OAAO,OAAO,CAAC,eAAe,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,eAAe,CAAC,CAAC,CAAC,IAAI,CAAC;IAEhF,OAAO,IAAA,oCAA2B,EAAC,MAAM,EAAE,kBAAkB,EAAE,eAAe,CAAC,CAAC;AAClF,CAAC;AAZD,kDAYC;AAED;;;;;;;;;;;GAWG;AACH,SAAgB,iBAAiB,CAC/B,IAA4C,EAC5C,UAAkB,EAClB,iBAAyB,EACzB,SAAqB,EACrB,aAAqB,EACrB,OAA2B;IAE3B,IAAM,eAAe,GAAG,MAAM,CAAC,MAAM,CACnC,EAAE,gCAAgC,EAAE,IAAI,EAAE,KAAK,EAAE,CAAC,EAAE,EACpD,OAAO,CACR,CAAC;IACF,IAAM,UAAU,GAAG,IAAA,4BAAY,EAAC,IAAI,CAAC,CAAC;IAEtC,IAAI,KAAK,GAAG,UAAU,CAAC;IACvB,0BAA0B;IAC1B,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,iBAAiB,EAAE,CAAC,EAAE,EAAE;QAC1C,4BAA4B;QAC5B,IAAM,IAAI,GACR,UAAU,CAAC,KAAK,CAAC;YACjB,CAAC,UAAU,CAAC,KAAK,GAAG,CAAC,CAA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\ No newline at end of file
diff --git a/node_modules/bson/lib/code.js b/node_modules/bson/lib/code.js
new file mode 100644
index 000000000..585539378
--- /dev/null
+++ b/node_modules/bson/lib/code.js
@@ -0,0 +1,46 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Code = void 0;
+/**
+ * A class representation of the BSON Code type.
+ * @public
+ * @category BSONType
+ */
+var Code = /** @class */ (function () {
+    /**
+     * @param code - a string or function.
+     * @param scope - an optional scope for the function.
+     */
+    function Code(code, scope) {
+        if (!(this instanceof Code))
+            return new Code(code, scope);
+        this.code = code;
+        this.scope = scope;
+    }
+    Code.prototype.toJSON = function () {
+        return { code: this.code, scope: this.scope };
+    };
+    /** @internal */
+    Code.prototype.toExtendedJSON = function () {
+        if (this.scope) {
+            return { $code: this.code, $scope: this.scope };
+        }
+        return { $code: this.code };
+    };
+    /** @internal */
+    Code.fromExtendedJSON = function (doc) {
+        return new Code(doc.$code, doc.$scope);
+    };
+    /** @internal */
+    Code.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Code.prototype.inspect = function () {
+        var codeJson = this.toJSON();
+        return "new Code(\"".concat(String(codeJson.code), "\"").concat(codeJson.scope ? ", ".concat(JSON.stringify(codeJson.scope)) : '', ")");
+    };
+    return Code;
+}());
+exports.Code = Code;
+Object.defineProperty(Code.prototype, '_bsontype', { value: 'Code' });
+//# sourceMappingURL=code.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/code.js.map b/node_modules/bson/lib/code.js.map
new file mode 100644
index 000000000..2291a6b93
--- /dev/null
+++ b/node_modules/bson/lib/code.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"code.js","sourceRoot":"","sources":["../src/code.ts"],"names":[],"mappings":";;;AAQA;;;;GAIG;AACH;IAKE;;;OAGG;IACH,cAAY,IAAuB,EAAE,KAAgB;QACnD,IAAI,CAAC,CAAC,IAAI,YAAY,IAAI,CAAC;YAAE,OAAO,IAAI,IAAI,CAAC,IAAI,EAAE,KAAK,CAAC,CAAC;QAE1D,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;QACjB,IAAI,CAAC,KAAK,GAAG,KAAK,CAAC;IACrB,CAAC;IAED,qBAAM,GAAN;QACE,OAAO,EAAE,IAAI,EAAE,IAAI,CAAC,IAAI,EAAE,KAAK,EAAE,IAAI,CAAC,KAAK,EAAE,CAAC;IAChD,CAAC;IAED,gBAAgB;IAChB,6BAAc,GAAd;QACE,IAAI,IAAI,CAAC,KAAK,EAAE;YACd,OAAO,EAAE,KAAK,EAAE,IAAI,CAAC,IAAI,EAAE,MAAM,EAAE,IAAI,CAAC,KAAK,EAAE,CAAC;SACjD;QAED,OAAO,EAAE,KAAK,EAAE,IAAI,CAAC,IAAI,EAAE,CAAC;IAC9B,CAAC;IAED,gBAAgB;IACT,qBAAgB,GAAvB,UAAwB,GAAiB;QACvC,OAAO,IAAI,IAAI,CAAC,GAAG,CAAC,KAAK,EAAE,GAAG,CAAC,MAAM,CAAC,CAAC;IACzC,CAAC;IAED,gBAAgB;IAChB,eAAC,MAAM,CAAC,GAAG,CAAC,4BAA4B,CAAC,CAAC,GAA1C;QACE,OAAO,IAAI,CAAC,OAAO,EAAE,CAAC;IACxB,CAAC;IAED,sBAAO,GAAP;QACE,IAAM,QAAQ,GAAG,IAAI,CAAC,MAAM,EAAE,CAAC;QAC/B,OAAO,qBAAa,MAAM,CAAC,QAAQ,CAAC,IAAI,CAAC,eACvC,QAAQ,CAAC,KAAK,CAAC,CAAC,CAAC,YAAK,IAAI,CAAC,SAAS,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAE,CAAC,CAAC,CAAC,EAAE,MAC1D,CAAC;IACN,CAAC;IACH,WAAC;AAAD,CAAC,AA7CD,IA6CC;AA7CY,oBAAI;AA+CjB,MAAM,CAAC,cAAc,CAAC,IAAI,CAAC,SAAS,EAAE,WAAW,EAAE,EAAE,KAAK,EAAE,MAAM,EAAE,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/constants.js b/node_modules/bson/lib/constants.js
new file mode 100644
index 000000000..ff8b68d3d
--- /dev/null
+++ b/node_modules/bson/lib/constants.js
@@ -0,0 +1,82 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.BSON_BINARY_SUBTYPE_USER_DEFINED = exports.BSON_BINARY_SUBTYPE_COLUMN = exports.BSON_BINARY_SUBTYPE_ENCRYPTED = exports.BSON_BINARY_SUBTYPE_MD5 = exports.BSON_BINARY_SUBTYPE_UUID_NEW = exports.BSON_BINARY_SUBTYPE_UUID = exports.BSON_BINARY_SUBTYPE_BYTE_ARRAY = exports.BSON_BINARY_SUBTYPE_FUNCTION = exports.BSON_BINARY_SUBTYPE_DEFAULT = exports.BSON_DATA_MAX_KEY = exports.BSON_DATA_MIN_KEY = exports.BSON_DATA_DECIMAL128 = exports.BSON_DATA_LONG = exports.BSON_DATA_TIMESTAMP = exports.BSON_DATA_INT = exports.BSON_DATA_CODE_W_SCOPE = exports.BSON_DATA_SYMBOL = exports.BSON_DATA_CODE = exports.BSON_DATA_DBPOINTER = exports.BSON_DATA_REGEXP = exports.BSON_DATA_NULL = exports.BSON_DATA_DATE = exports.BSON_DATA_BOOLEAN = exports.BSON_DATA_OID = exports.BSON_DATA_UNDEFINED = exports.BSON_DATA_BINARY = exports.BSON_DATA_ARRAY = exports.BSON_DATA_OBJECT = exports.BSON_DATA_STRING = exports.BSON_DATA_NUMBER = exports.JS_INT_MIN = exports.JS_INT_MAX = exports.BSON_INT64_MIN = exports.BSON_INT64_MAX = exports.BSON_INT32_MIN = exports.BSON_INT32_MAX = void 0;
+/** @internal */
+exports.BSON_INT32_MAX = 0x7fffffff;
+/** @internal */
+exports.BSON_INT32_MIN = -0x80000000;
+/** @internal */
+exports.BSON_INT64_MAX = Math.pow(2, 63) - 1;
+/** @internal */
+exports.BSON_INT64_MIN = -Math.pow(2, 63);
+/**
+ * Any integer up to 2^53 can be precisely represented by a double.
+ * @internal
+ */
+exports.JS_INT_MAX = Math.pow(2, 53);
+/**
+ * Any integer down to -2^53 can be precisely represented by a double.
+ * @internal
+ */
+exports.JS_INT_MIN = -Math.pow(2, 53);
+/** Number BSON Type @internal */
+exports.BSON_DATA_NUMBER = 1;
+/** String BSON Type @internal */
+exports.BSON_DATA_STRING = 2;
+/** Object BSON Type @internal */
+exports.BSON_DATA_OBJECT = 3;
+/** Array BSON Type @internal */
+exports.BSON_DATA_ARRAY = 4;
+/** Binary BSON Type @internal */
+exports.BSON_DATA_BINARY = 5;
+/** Binary BSON Type @internal */
+exports.BSON_DATA_UNDEFINED = 6;
+/** ObjectId BSON Type @internal */
+exports.BSON_DATA_OID = 7;
+/** Boolean BSON Type @internal */
+exports.BSON_DATA_BOOLEAN = 8;
+/** Date BSON Type @internal */
+exports.BSON_DATA_DATE = 9;
+/** null BSON Type @internal */
+exports.BSON_DATA_NULL = 10;
+/** RegExp BSON Type @internal */
+exports.BSON_DATA_REGEXP = 11;
+/** Code BSON Type @internal */
+exports.BSON_DATA_DBPOINTER = 12;
+/** Code BSON Type @internal */
+exports.BSON_DATA_CODE = 13;
+/** Symbol BSON Type @internal */
+exports.BSON_DATA_SYMBOL = 14;
+/** Code with Scope BSON Type @internal */
+exports.BSON_DATA_CODE_W_SCOPE = 15;
+/** 32 bit Integer BSON Type @internal */
+exports.BSON_DATA_INT = 16;
+/** Timestamp BSON Type @internal */
+exports.BSON_DATA_TIMESTAMP = 17;
+/** Long BSON Type @internal */
+exports.BSON_DATA_LONG = 18;
+/** Decimal128 BSON Type @internal */
+exports.BSON_DATA_DECIMAL128 = 19;
+/** MinKey BSON Type @internal */
+exports.BSON_DATA_MIN_KEY = 0xff;
+/** MaxKey BSON Type @internal */
+exports.BSON_DATA_MAX_KEY = 0x7f;
+/** Binary Default Type @internal */
+exports.BSON_BINARY_SUBTYPE_DEFAULT = 0;
+/** Binary Function Type @internal */
+exports.BSON_BINARY_SUBTYPE_FUNCTION = 1;
+/** Binary Byte Array Type @internal */
+exports.BSON_BINARY_SUBTYPE_BYTE_ARRAY = 2;
+/** Binary Deprecated UUID Type @deprecated Please use BSON_BINARY_SUBTYPE_UUID_NEW @internal */
+exports.BSON_BINARY_SUBTYPE_UUID = 3;
+/** Binary UUID Type @internal */
+exports.BSON_BINARY_SUBTYPE_UUID_NEW = 4;
+/** Binary MD5 Type @internal */
+exports.BSON_BINARY_SUBTYPE_MD5 = 5;
+/** Encrypted BSON type @internal */
+exports.BSON_BINARY_SUBTYPE_ENCRYPTED = 6;
+/** Column BSON type @internal */
+exports.BSON_BINARY_SUBTYPE_COLUMN = 7;
+/** Binary User Defined Type @internal */
+exports.BSON_BINARY_SUBTYPE_USER_DEFINED = 128;
+//# sourceMappingURL=constants.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/constants.js.map b/node_modules/bson/lib/constants.js.map
new file mode 100644
index 000000000..3b9c0ca6c
--- /dev/null
+++ b/node_modules/bson/lib/constants.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"constants.js","sourceRoot":"","sources":["../src/constants.ts"],"names":[],"mappings":";;;AAAA,gBAAgB;AACH,QAAA,cAAc,GAAG,UAAU,CAAC;AACzC,gBAAgB;AACH,QAAA,cAAc,GAAG,CAAC,UAAU,CAAC;AAC1C,gBAAgB;AACH,QAAA,cAAc,GAAG,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,EAAE,CAAC,GAAG,CAAC,CAAC;AAClD,gBAAgB;AACH,QAAA,cAAc,GAAG,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC;AAE/C;;;GAGG;AACU,QAAA,UAAU,GAAG,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC;AAE1C;;;GAGG;AACU,QAAA,UAAU,GAAG,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC;AAE3C,iCAAiC;AACpB,QAAA,gBAAgB,GAAG,CAAC,CAAC;AAElC,iCAAiC;AACpB,QAAA,gBAAgB,GAAG,CAAC,CAAC;AAElC,iCAAiC;AACpB,QAAA,gBAAgB,GAAG,CAAC,CAAC;AAElC,gCAAgC;AACnB,QAAA,eAAe,GAAG,CAAC,CAAC;AAEjC,iCAAiC;AACpB,QAAA,gBAAgB,GAAG,CAAC,CAAC;AAElC,iCAAiC;AACpB,QAAA,mBAAmB,GAAG,CAAC,CAAC;AAErC,mCAAmC;AACtB,QAAA,aAAa,GAAG,CAAC,CAAC;AAE/B,kCAAkC;AACrB,QAAA,iBAAiB,GAAG,CAAC,CAAC;AAEnC,+BAA+B;AAClB,QAAA,cAAc,GAAG,CAAC,CAAC;AAEhC,+BAA+B;AAClB,QAAA,cAAc,GAAG,EAAE,CAAC;AAEjC,iCAAiC;AACpB,QAAA,gBAAgB,GAAG,EAAE,CAAC;AAEnC,+BAA+B;AAClB,QAAA,mBAAmB,GAAG,EAAE,CAAC;AAEtC,+BAA+B;AAClB,QAAA,cAAc,GAAG,EAAE,CAAC;AAEjC,iCAAiC;AACpB,QAAA,gBAAgB,GAAG,EAAE,CAAC;AAEnC,0CAA0C;AAC7B,QAAA,sBAAsB,GAAG,EAAE,CAAC;AAEzC,yCAAyC;AAC5B,QAAA,aAAa,GAAG,EAAE,CAAC;AAEhC,oCAAoC;AACvB,QAAA,mBAAmB,GAAG,EAAE,CAAC;AAEtC,+BAA+B;AAClB,QAAA,cAAc,GAAG,EAAE,CAAC;AAEjC,qCAAqC;AACxB,QAAA,oBAAoB,GAAG,EAAE,CAAC;AAEvC,iCAAiC;AACpB,QAAA,iBAAiB,GAAG,IAAI,CAAC;AAEtC,iCAAiC;AACpB,QAAA,iBAAiB,GAAG,IAAI,CAAC;AAEtC,oCAAoC;AACvB,QAAA,2BAA2B,GAAG,CAAC,CAAC;AAE7C,qCAAqC;AACxB,QAAA,4BAA4B,GAAG,CAAC,CAAC;AAE9C,uCAAuC;AAC1B,QAAA,8BAA8B,GAAG,CAAC,CAAC;AAEhD,gGAAgG;AACnF,QAAA,wBAAwB,GAAG,CAAC,CAAC;AAE1C,iCAAiC;AACpB,QAAA,4BAA4B,GAAG,CAAC,CAAC;AAE9C,gCAAgC;AACnB,QAAA,uBAAuB,GAAG,CAAC,CAAC;AAEzC,oCAAoC;AACvB,QAAA,6BAA6B,GAAG,CAAC,CAAC;AAE/C,iCAAiC;AACpB,QAAA,0BAA0B,GAAG,CAAC,CAAC;AAE5C,yCAAyC;AAC5B,QAAA,gCAAgC,GAAG,GAAG,CAAC"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/db_ref.js b/node_modules/bson/lib/db_ref.js
new file mode 100644
index 000000000..d18bd965e
--- /dev/null
+++ b/node_modules/bson/lib/db_ref.js
@@ -0,0 +1,97 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DBRef = exports.isDBRefLike = void 0;
+var utils_1 = require("./parser/utils");
+/** @internal */
+function isDBRefLike(value) {
+    return ((0, utils_1.isObjectLike)(value) &&
+        value.$id != null &&
+        typeof value.$ref === 'string' &&
+        (value.$db == null || typeof value.$db === 'string'));
+}
+exports.isDBRefLike = isDBRefLike;
+/**
+ * A class representation of the BSON DBRef type.
+ * @public
+ * @category BSONType
+ */
+var DBRef = /** @class */ (function () {
+    /**
+     * @param collection - the collection name.
+     * @param oid - the reference ObjectId.
+     * @param db - optional db name, if omitted the reference is local to the current db.
+     */
+    function DBRef(collection, oid, db, fields) {
+        if (!(this instanceof DBRef))
+            return new DBRef(collection, oid, db, fields);
+        // check if namespace has been provided
+        var parts = collection.split('.');
+        if (parts.length === 2) {
+            db = parts.shift();
+            // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+            collection = parts.shift();
+        }
+        this.collection = collection;
+        this.oid = oid;
+        this.db = db;
+        this.fields = fields || {};
+    }
+    Object.defineProperty(DBRef.prototype, "namespace", {
+        // Property provided for compatibility with the 1.x parser
+        // the 1.x parser used a "namespace" property, while 4.x uses "collection"
+        /** @internal */
+        get: function () {
+            return this.collection;
+        },
+        set: function (value) {
+            this.collection = value;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    DBRef.prototype.toJSON = function () {
+        var o = Object.assign({
+            $ref: this.collection,
+            $id: this.oid
+        }, this.fields);
+        if (this.db != null)
+            o.$db = this.db;
+        return o;
+    };
+    /** @internal */
+    DBRef.prototype.toExtendedJSON = function (options) {
+        options = options || {};
+        var o = {
+            $ref: this.collection,
+            $id: this.oid
+        };
+        if (options.legacy) {
+            return o;
+        }
+        if (this.db)
+            o.$db = this.db;
+        o = Object.assign(o, this.fields);
+        return o;
+    };
+    /** @internal */
+    DBRef.fromExtendedJSON = function (doc) {
+        var copy = Object.assign({}, doc);
+        delete copy.$ref;
+        delete copy.$id;
+        delete copy.$db;
+        return new DBRef(doc.$ref, doc.$id, doc.$db, copy);
+    };
+    /** @internal */
+    DBRef.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    DBRef.prototype.inspect = function () {
+        // NOTE: if OID is an ObjectId class it will just print the oid string.
+        var oid = this.oid === undefined || this.oid.toString === undefined ? this.oid : this.oid.toString();
+        return "new DBRef(\"".concat(this.namespace, "\", new ObjectId(\"").concat(String(oid), "\")").concat(this.db ? ", \"".concat(this.db, "\"") : '', ")");
+    };
+    return DBRef;
+}());
+exports.DBRef = DBRef;
+Object.defineProperty(DBRef.prototype, '_bsontype', { value: 'DBRef' });
+//# sourceMappingURL=db_ref.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/db_ref.js.map b/node_modules/bson/lib/db_ref.js.map
new file mode 100644
index 000000000..74e49aac7
--- /dev/null
+++ b/node_modules/bson/lib/db_ref.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"db_ref.js","sourceRoot":"","sources":["../src/db_ref.ts"],"names":[],"mappings":";;;AAGA,wCAA8C;AAS9C,gBAAgB;AAChB,SAAgB,WAAW,CAAC,KAAc;IACxC,OAAO,CACL,IAAA,oBAAY,EAAC,KAAK,CAAC;QACnB,KAAK,CAAC,GAAG,IAAI,IAAI;QACjB,OAAO,KAAK,CAAC,IAAI,KAAK,QAAQ;QAC9B,CAAC,KAAK,CAAC,GAAG,IAAI,IAAI,IAAI,OAAO,KAAK,CAAC,GAAG,KAAK,QAAQ,CAAC,CACrD,CAAC;AACJ,CAAC;AAPD,kCAOC;AAED;;;;GAIG;AACH;IAQE;;;;OAIG;IACH,eAAY,UAAkB,EAAE,GAAa,EAAE,EAAW,EAAE,MAAiB;QAC3E,IAAI,CAAC,CAAC,IAAI,YAAY,KAAK,CAAC;YAAE,OAAO,IAAI,KAAK,CAAC,UAAU,EAAE,GAAG,EAAE,EAAE,EAAE,MAAM,CAAC,CAAC;QAE5E,uCAAuC;QACvC,IAAM,KAAK,GAAG,UAAU,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC;QACpC,IAAI,KAAK,CAAC,MAAM,KAAK,CAAC,EAAE;YACtB,EAAE,GAAG,KAAK,CAAC,KAAK,EAAE,CAAC;YACnB,oEAAoE;YACpE,UAAU,GAAG,KAAK,CAAC,KAAK,EAAG,CAAC;SAC7B;QAED,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,GAAG,GAAG,GAAG,CAAC;QACf,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,MAAM,GAAG,MAAM,IAAI,EAAE,CAAC;IAC7B,CAAC;IAMD,sBAAI,4BAAS;QAJb,0DAA0D;QAC1D,0EAA0E;QAE1E,gBAAgB;aAChB;YACE,OAAO,IAAI,CAAC,UAAU,CAAC;QACzB,CAAC;aAED,UAAc,KAAa;YACzB,IAAI,CAAC,UAAU,GAAG,KAAK,CAAC;QAC1B,CAAC;;;OAJA;IAMD,sBAAM,GAAN;QACE,IAAM,CAAC,GAAG,MAAM,CAAC,MAAM,CACrB;YACE,IAAI,EAAE,IAAI,CAAC,UAAU;YACrB,GAAG,EAAE,IAAI,CAAC,GAAG;SACd,EACD,IAAI,CAAC,MAAM,CACZ,CAAC;QAEF,IAAI,IAAI,CAAC,EAAE,IAAI,IAAI;YAAE,CAAC,CAAC,GAAG,GAAG,IAAI,CAAC,EAAE,CAAC;QACrC,OAAO,CAAC,CAAC;IACX,CAAC;IAED,gBAAgB;IAChB,8BAAc,GAAd,UAAe,OAAsB;QACnC,OAAO,GAAG,OAAO,IAAI,EAAE,CAAC;QACxB,IAAI,CAAC,GAAc;YACjB,IAAI,EAAE,IAAI,CAAC,UAAU;YACrB,GAAG,EAAE,IAAI,CAAC,GAAG;SACd,CAAC;QAEF,IAAI,OAAO,CAAC,MAAM,EAAE;YAClB,OAAO,CAAC,CAAC;SACV;QAED,IAAI,IAAI,CAAC,EAAE;YAAE,CAAC,CAAC,GAAG,GAAG,IAAI,CAAC,EAAE,CAAC;QAC7B,CAAC,GAAG,MAAM,CAAC,MAAM,CAAC,CAAC,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC;QAClC,OAAO,CAAC,CAAC;IACX,CAAC;IAED,gBAAgB;IACT,sBAAgB,GAAvB,UAAwB,GAAc;QACpC,IAAM,IAAI,GAAG,MAAM,CAAC,MAAM,CAAC,EAAE,EAAE,GAAG,CAAuB,CAAC;QAC1D,OAAO,IAAI,CAAC,IAAI,CAAC;QACjB,OAAO,IAAI,CAAC,GAAG,CAAC;QAChB,OAAO,IAAI,CAAC,GAAG,CAAC;QAChB,OAAO,IAAI,KAAK,CAAC,GAAG,CAAC,IAAI,EAAE,GAAG,CAAC,GAAG,EAAE,GAAG,CAAC,GAAG,EAAE,IAAI,CAAC,CAAC;IACrD,CAAC;IAED,gBAAgB;IAChB,gBAAC,MAAM,CAAC,GAAG,CAAC,4BAA4B,CAAC,CAAC,GAA1C;QACE,OAAO,IAAI,CAAC,OAAO,EAAE,CAAC;IACxB,CAAC;IAED,uBAAO,GAAP;QACE,uEAAuE;QACvE,IAAM,GAAG,GACP,IAAI,CAAC,GAAG,KAAK,SAAS,IAAI,IAAI,CAAC,GAAG,CAAC,QAAQ,KAAK,SAAS,CAAC,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,QAAQ,EAAE,CAAC;QAC7F,OAAO,sBAAc,IAAI,CAAC,SAAS,gCAAoB,MAAM,CAAC,GAAG,CAAC,gBAChE,IAAI,CAAC,EAAE,CAAC,CAAC,CAAC,cAAM,IAAI,CAAC,EAAE,OAAG,CAAC,CAAC,CAAC,EAAE,MAC9B,CAAC;IACN,CAAC;IACH,YAAC;AAAD,CAAC,AA9FD,IA8FC;AA9FY,sBAAK;AAgGlB,MAAM,CAAC,cAAc,CAAC,KAAK,CAAC,SAAS,EAAE,WAAW,EAAE,EAAE,KAAK,EAAE,OAAO,EAAE,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/decimal128.js b/node_modules/bson/lib/decimal128.js
new file mode 100644
index 000000000..2fd7efa84
--- /dev/null
+++ b/node_modules/bson/lib/decimal128.js
@@ -0,0 +1,669 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Decimal128 = void 0;
+var buffer_1 = require("buffer");
+var error_1 = require("./error");
+var long_1 = require("./long");
+var utils_1 = require("./parser/utils");
+var PARSE_STRING_REGEXP = /^(\+|-)?(\d+|(\d*\.\d*))?(E|e)?([-+])?(\d+)?$/;
+var PARSE_INF_REGEXP = /^(\+|-)?(Infinity|inf)$/i;
+var PARSE_NAN_REGEXP = /^(\+|-)?NaN$/i;
+var EXPONENT_MAX = 6111;
+var EXPONENT_MIN = -6176;
+var EXPONENT_BIAS = 6176;
+var MAX_DIGITS = 34;
+// Nan value bits as 32 bit values (due to lack of longs)
+var NAN_BUFFER = [
+    0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+].reverse();
+// Infinity value bits 32 bit values (due to lack of longs)
+var INF_NEGATIVE_BUFFER = [
+    0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+].reverse();
+var INF_POSITIVE_BUFFER = [
+    0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+].reverse();
+var EXPONENT_REGEX = /^([-+])?(\d+)?$/;
+// Extract least significant 5 bits
+var COMBINATION_MASK = 0x1f;
+// Extract least significant 14 bits
+var EXPONENT_MASK = 0x3fff;
+// Value of combination field for Inf
+var COMBINATION_INFINITY = 30;
+// Value of combination field for NaN
+var COMBINATION_NAN = 31;
+// Detect if the value is a digit
+function isDigit(value) {
+    return !isNaN(parseInt(value, 10));
+}
+// Divide two uint128 values
+function divideu128(value) {
+    var DIVISOR = long_1.Long.fromNumber(1000 * 1000 * 1000);
+    var _rem = long_1.Long.fromNumber(0);
+    if (!value.parts[0] && !value.parts[1] && !value.parts[2] && !value.parts[3]) {
+        return { quotient: value, rem: _rem };
+    }
+    for (var i = 0; i <= 3; i++) {
+        // Adjust remainder to match value of next dividend
+        _rem = _rem.shiftLeft(32);
+        // Add the divided to _rem
+        _rem = _rem.add(new long_1.Long(value.parts[i], 0));
+        value.parts[i] = _rem.div(DIVISOR).low;
+        _rem = _rem.modulo(DIVISOR);
+    }
+    return { quotient: value, rem: _rem };
+}
+// Multiply two Long values and return the 128 bit value
+function multiply64x2(left, right) {
+    if (!left && !right) {
+        return { high: long_1.Long.fromNumber(0), low: long_1.Long.fromNumber(0) };
+    }
+    var leftHigh = left.shiftRightUnsigned(32);
+    var leftLow = new long_1.Long(left.getLowBits(), 0);
+    var rightHigh = right.shiftRightUnsigned(32);
+    var rightLow = new long_1.Long(right.getLowBits(), 0);
+    var productHigh = leftHigh.multiply(rightHigh);
+    var productMid = leftHigh.multiply(rightLow);
+    var productMid2 = leftLow.multiply(rightHigh);
+    var productLow = leftLow.multiply(rightLow);
+    productHigh = productHigh.add(productMid.shiftRightUnsigned(32));
+    productMid = new long_1.Long(productMid.getLowBits(), 0)
+        .add(productMid2)
+        .add(productLow.shiftRightUnsigned(32));
+    productHigh = productHigh.add(productMid.shiftRightUnsigned(32));
+    productLow = productMid.shiftLeft(32).add(new long_1.Long(productLow.getLowBits(), 0));
+    // Return the 128 bit result
+    return { high: productHigh, low: productLow };
+}
+function lessThan(left, right) {
+    // Make values unsigned
+    var uhleft = left.high >>> 0;
+    var uhright = right.high >>> 0;
+    // Compare high bits first
+    if (uhleft < uhright) {
+        return true;
+    }
+    else if (uhleft === uhright) {
+        var ulleft = left.low >>> 0;
+        var ulright = right.low >>> 0;
+        if (ulleft < ulright)
+            return true;
+    }
+    return false;
+}
+function invalidErr(string, message) {
+    throw new error_1.BSONTypeError("\"".concat(string, "\" is not a valid Decimal128 string - ").concat(message));
+}
+/**
+ * A class representation of the BSON Decimal128 type.
+ * @public
+ * @category BSONType
+ */
+var Decimal128 = /** @class */ (function () {
+    /**
+     * @param bytes - a buffer containing the raw Decimal128 bytes in little endian order,
+     *                or a string representation as returned by .toString()
+     */
+    function Decimal128(bytes) {
+        if (!(this instanceof Decimal128))
+            return new Decimal128(bytes);
+        if (typeof bytes === 'string') {
+            this.bytes = Decimal128.fromString(bytes).bytes;
+        }
+        else if ((0, utils_1.isUint8Array)(bytes)) {
+            if (bytes.byteLength !== 16) {
+                throw new error_1.BSONTypeError('Decimal128 must take a Buffer of 16 bytes');
+            }
+            this.bytes = bytes;
+        }
+        else {
+            throw new error_1.BSONTypeError('Decimal128 must take a Buffer or string');
+        }
+    }
+    /**
+     * Create a Decimal128 instance from a string representation
+     *
+     * @param representation - a numeric string representation.
+     */
+    Decimal128.fromString = function (representation) {
+        // Parse state tracking
+        var isNegative = false;
+        var sawRadix = false;
+        var foundNonZero = false;
+        // Total number of significant digits (no leading or trailing zero)
+        var significantDigits = 0;
+        // Total number of significand digits read
+        var nDigitsRead = 0;
+        // Total number of digits (no leading zeros)
+        var nDigits = 0;
+        // The number of the digits after radix
+        var radixPosition = 0;
+        // The index of the first non-zero in *str*
+        var firstNonZero = 0;
+        // Digits Array
+        var digits = [0];
+        // The number of digits in digits
+        var nDigitsStored = 0;
+        // Insertion pointer for digits
+        var digitsInsert = 0;
+        // The index of the first non-zero digit
+        var firstDigit = 0;
+        // The index of the last digit
+        var lastDigit = 0;
+        // Exponent
+        var exponent = 0;
+        // loop index over array
+        var i = 0;
+        // The high 17 digits of the significand
+        var significandHigh = new long_1.Long(0, 0);
+        // The low 17 digits of the significand
+        var significandLow = new long_1.Long(0, 0);
+        // The biased exponent
+        var biasedExponent = 0;
+        // Read index
+        var index = 0;
+        // Naively prevent against REDOS attacks.
+        // TODO: implementing a custom parsing for this, or refactoring the regex would yield
+        //       further gains.
+        if (representation.length >= 7000) {
+            throw new error_1.BSONTypeError('' + representation + ' not a valid Decimal128 string');
+        }
+        // Results
+        var stringMatch = representation.match(PARSE_STRING_REGEXP);
+        var infMatch = representation.match(PARSE_INF_REGEXP);
+        var nanMatch = representation.match(PARSE_NAN_REGEXP);
+        // Validate the string
+        if ((!stringMatch && !infMatch && !nanMatch) || representation.length === 0) {
+            throw new error_1.BSONTypeError('' + representation + ' not a valid Decimal128 string');
+        }
+        if (stringMatch) {
+            // full_match = stringMatch[0]
+            // sign = stringMatch[1]
+            var unsignedNumber = stringMatch[2];
+            // stringMatch[3] is undefined if a whole number (ex "1", 12")
+            // but defined if a number w/ decimal in it (ex "1.0, 12.2")
+            var e = stringMatch[4];
+            var expSign = stringMatch[5];
+            var expNumber = stringMatch[6];
+            // they provided e, but didn't give an exponent number. for ex "1e"
+            if (e && expNumber === undefined)
+                invalidErr(representation, 'missing exponent power');
+            // they provided e, but didn't give a number before it. for ex "e1"
+            if (e && unsignedNumber === undefined)
+                invalidErr(representation, 'missing exponent base');
+            if (e === undefined && (expSign || expNumber)) {
+                invalidErr(representation, 'missing e before exponent');
+            }
+        }
+        // Get the negative or positive sign
+        if (representation[index] === '+' || representation[index] === '-') {
+            isNegative = representation[index++] === '-';
+        }
+        // Check if user passed Infinity or NaN
+        if (!isDigit(representation[index]) && representation[index] !== '.') {
+            if (representation[index] === 'i' || representation[index] === 'I') {
+                return new Decimal128(buffer_1.Buffer.from(isNegative ? INF_NEGATIVE_BUFFER : INF_POSITIVE_BUFFER));
+            }
+            else if (representation[index] === 'N') {
+                return new Decimal128(buffer_1.Buffer.from(NAN_BUFFER));
+            }
+        }
+        // Read all the digits
+        while (isDigit(representation[index]) || representation[index] === '.') {
+            if (representation[index] === '.') {
+                if (sawRadix)
+                    invalidErr(representation, 'contains multiple periods');
+                sawRadix = true;
+                index = index + 1;
+                continue;
+            }
+            if (nDigitsStored < 34) {
+                if (representation[index] !== '0' || foundNonZero) {
+                    if (!foundNonZero) {
+                        firstNonZero = nDigitsRead;
+                    }
+                    foundNonZero = true;
+                    // Only store 34 digits
+                    digits[digitsInsert++] = parseInt(representation[index], 10);
+                    nDigitsStored = nDigitsStored + 1;
+                }
+            }
+            if (foundNonZero)
+                nDigits = nDigits + 1;
+            if (sawRadix)
+                radixPosition = radixPosition + 1;
+            nDigitsRead = nDigitsRead + 1;
+            index = index + 1;
+        }
+        if (sawRadix && !nDigitsRead)
+            throw new error_1.BSONTypeError('' + representation + ' not a valid Decimal128 string');
+        // Read exponent if exists
+        if (representation[index] === 'e' || representation[index] === 'E') {
+            // Read exponent digits
+            var match = representation.substr(++index).match(EXPONENT_REGEX);
+            // No digits read
+            if (!match || !match[2])
+                return new Decimal128(buffer_1.Buffer.from(NAN_BUFFER));
+            // Get exponent
+            exponent = parseInt(match[0], 10);
+            // Adjust the index
+            index = index + match[0].length;
+        }
+        // Return not a number
+        if (representation[index])
+            return new Decimal128(buffer_1.Buffer.from(NAN_BUFFER));
+        // Done reading input
+        // Find first non-zero digit in digits
+        firstDigit = 0;
+        if (!nDigitsStored) {
+            firstDigit = 0;
+            lastDigit = 0;
+            digits[0] = 0;
+            nDigits = 1;
+            nDigitsStored = 1;
+            significantDigits = 0;
+        }
+        else {
+            lastDigit = nDigitsStored - 1;
+            significantDigits = nDigits;
+            if (significantDigits !== 1) {
+                while (digits[firstNonZero + significantDigits - 1] === 0) {
+                    significantDigits = significantDigits - 1;
+                }
+            }
+        }
+        // Normalization of exponent
+        // Correct exponent based on radix position, and shift significand as needed
+        // to represent user input
+        // Overflow prevention
+        if (exponent <= radixPosition && radixPosition - exponent > 1 << 14) {
+            exponent = EXPONENT_MIN;
+        }
+        else {
+            exponent = exponent - radixPosition;
+        }
+        // Attempt to normalize the exponent
+        while (exponent > EXPONENT_MAX) {
+            // Shift exponent to significand and decrease
+            lastDigit = lastDigit + 1;
+            if (lastDigit - firstDigit > MAX_DIGITS) {
+                // Check if we have a zero then just hard clamp, otherwise fail
+                var digitsString = digits.join('');
+                if (digitsString.match(/^0+$/)) {
+                    exponent = EXPONENT_MAX;
+                    break;
+                }
+                invalidErr(representation, 'overflow');
+            }
+            exponent = exponent - 1;
+        }
+        while (exponent < EXPONENT_MIN || nDigitsStored < nDigits) {
+            // Shift last digit. can only do this if < significant digits than # stored.
+            if (lastDigit === 0 && significantDigits < nDigitsStored) {
+                exponent = EXPONENT_MIN;
+                significantDigits = 0;
+                break;
+            }
+            if (nDigitsStored < nDigits) {
+                // adjust to match digits not stored
+                nDigits = nDigits - 1;
+            }
+            else {
+                // adjust to round
+                lastDigit = lastDigit - 1;
+            }
+            if (exponent < EXPONENT_MAX) {
+                exponent = exponent + 1;
+            }
+            else {
+                // Check if we have a zero then just hard clamp, otherwise fail
+                var digitsString = digits.join('');
+                if (digitsString.match(/^0+$/)) {
+                    exponent = EXPONENT_MAX;
+                    break;
+                }
+                invalidErr(representation, 'overflow');
+            }
+        }
+        // Round
+        // We've normalized the exponent, but might still need to round.
+        if (lastDigit - firstDigit + 1 < significantDigits) {
+            var endOfString = nDigitsRead;
+            // If we have seen a radix point, 'string' is 1 longer than we have
+            // documented with ndigits_read, so inc the position of the first nonzero
+            // digit and the position that digits are read to.
+            if (sawRadix) {
+                firstNonZero = firstNonZero + 1;
+                endOfString = endOfString + 1;
+            }
+            // if negative, we need to increment again to account for - sign at start.
+            if (isNegative) {
+                firstNonZero = firstNonZero + 1;
+                endOfString = endOfString + 1;
+            }
+            var roundDigit = parseInt(representation[firstNonZero + lastDigit + 1], 10);
+            var roundBit = 0;
+            if (roundDigit >= 5) {
+                roundBit = 1;
+                if (roundDigit === 5) {
+                    roundBit = digits[lastDigit] % 2 === 1 ? 1 : 0;
+                    for (i = firstNonZero + lastDigit + 2; i < endOfString; i++) {
+                        if (parseInt(representation[i], 10)) {
+                            roundBit = 1;
+                            break;
+                        }
+                    }
+                }
+            }
+            if (roundBit) {
+                var dIdx = lastDigit;
+                for (; dIdx >= 0; dIdx--) {
+                    if (++digits[dIdx] > 9) {
+                        digits[dIdx] = 0;
+                        // overflowed most significant digit
+                        if (dIdx === 0) {
+                            if (exponent < EXPONENT_MAX) {
+                                exponent = exponent + 1;
+                                digits[dIdx] = 1;
+                            }
+                            else {
+                                return new Decimal128(buffer_1.Buffer.from(isNegative ? INF_NEGATIVE_BUFFER : INF_POSITIVE_BUFFER));
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        // Encode significand
+        // The high 17 digits of the significand
+        significandHigh = long_1.Long.fromNumber(0);
+        // The low 17 digits of the significand
+        significandLow = long_1.Long.fromNumber(0);
+        // read a zero
+        if (significantDigits === 0) {
+            significandHigh = long_1.Long.fromNumber(0);
+            significandLow = long_1.Long.fromNumber(0);
+        }
+        else if (lastDigit - firstDigit < 17) {
+            var dIdx = firstDigit;
+            significandLow = long_1.Long.fromNumber(digits[dIdx++]);
+            significandHigh = new long_1.Long(0, 0);
+            for (; dIdx <= lastDigit; dIdx++) {
+                significandLow = significandLow.multiply(long_1.Long.fromNumber(10));
+                significandLow = significandLow.add(long_1.Long.fromNumber(digits[dIdx]));
+            }
+        }
+        else {
+            var dIdx = firstDigit;
+            significandHigh = long_1.Long.fromNumber(digits[dIdx++]);
+            for (; dIdx <= lastDigit - 17; dIdx++) {
+                significandHigh = significandHigh.multiply(long_1.Long.fromNumber(10));
+                significandHigh = significandHigh.add(long_1.Long.fromNumber(digits[dIdx]));
+            }
+            significandLow = long_1.Long.fromNumber(digits[dIdx++]);
+            for (; dIdx <= lastDigit; dIdx++) {
+                significandLow = significandLow.multiply(long_1.Long.fromNumber(10));
+                significandLow = significandLow.add(long_1.Long.fromNumber(digits[dIdx]));
+            }
+        }
+        var significand = multiply64x2(significandHigh, long_1.Long.fromString('100000000000000000'));
+        significand.low = significand.low.add(significandLow);
+        if (lessThan(significand.low, significandLow)) {
+            significand.high = significand.high.add(long_1.Long.fromNumber(1));
+        }
+        // Biased exponent
+        biasedExponent = exponent + EXPONENT_BIAS;
+        var dec = { low: long_1.Long.fromNumber(0), high: long_1.Long.fromNumber(0) };
+        // Encode combination, exponent, and significand.
+        if (significand.high.shiftRightUnsigned(49).and(long_1.Long.fromNumber(1)).equals(long_1.Long.fromNumber(1))) {
+            // Encode '11' into bits 1 to 3
+            dec.high = dec.high.or(long_1.Long.fromNumber(0x3).shiftLeft(61));
+            dec.high = dec.high.or(long_1.Long.fromNumber(biasedExponent).and(long_1.Long.fromNumber(0x3fff).shiftLeft(47)));
+            dec.high = dec.high.or(significand.high.and(long_1.Long.fromNumber(0x7fffffffffff)));
+        }
+        else {
+            dec.high = dec.high.or(long_1.Long.fromNumber(biasedExponent & 0x3fff).shiftLeft(49));
+            dec.high = dec.high.or(significand.high.and(long_1.Long.fromNumber(0x1ffffffffffff)));
+        }
+        dec.low = significand.low;
+        // Encode sign
+        if (isNegative) {
+            dec.high = dec.high.or(long_1.Long.fromString('9223372036854775808'));
+        }
+        // Encode into a buffer
+        var buffer = buffer_1.Buffer.alloc(16);
+        index = 0;
+        // Encode the low 64 bits of the decimal
+        // Encode low bits
+        buffer[index++] = dec.low.low & 0xff;
+        buffer[index++] = (dec.low.low >> 8) & 0xff;
+        buffer[index++] = (dec.low.low >> 16) & 0xff;
+        buffer[index++] = (dec.low.low >> 24) & 0xff;
+        // Encode high bits
+        buffer[index++] = dec.low.high & 0xff;
+        buffer[index++] = (dec.low.high >> 8) & 0xff;
+        buffer[index++] = (dec.low.high >> 16) & 0xff;
+        buffer[index++] = (dec.low.high >> 24) & 0xff;
+        // Encode the high 64 bits of the decimal
+        // Encode low bits
+        buffer[index++] = dec.high.low & 0xff;
+        buffer[index++] = (dec.high.low >> 8) & 0xff;
+        buffer[index++] = (dec.high.low >> 16) & 0xff;
+        buffer[index++] = (dec.high.low >> 24) & 0xff;
+        // Encode high bits
+        buffer[index++] = dec.high.high & 0xff;
+        buffer[index++] = (dec.high.high >> 8) & 0xff;
+        buffer[index++] = (dec.high.high >> 16) & 0xff;
+        buffer[index++] = (dec.high.high >> 24) & 0xff;
+        // Return the new Decimal128
+        return new Decimal128(buffer);
+    };
+    /** Create a string representation of the raw Decimal128 value */
+    Decimal128.prototype.toString = function () {
+        // Note: bits in this routine are referred to starting at 0,
+        // from the sign bit, towards the coefficient.
+        // decoded biased exponent (14 bits)
+        var biased_exponent;
+        // the number of significand digits
+        var significand_digits = 0;
+        // the base-10 digits in the significand
+        var significand = new Array(36);
+        for (var i = 0; i < significand.length; i++)
+            significand[i] = 0;
+        // read pointer into significand
+        var index = 0;
+        // true if the number is zero
+        var is_zero = false;
+        // the most significant significand bits (50-46)
+        var significand_msb;
+        // temporary storage for significand decoding
+        var significand128 = { parts: [0, 0, 0, 0] };
+        // indexing variables
+        var j, k;
+        // Output string
+        var string = [];
+        // Unpack index
+        index = 0;
+        // Buffer reference
+        var buffer = this.bytes;
+        // Unpack the low 64bits into a long
+        // bits 96 - 127
+        var low = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+        // bits 64 - 95
+        var midl = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+        // Unpack the high 64bits into a long
+        // bits 32 - 63
+        var midh = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+        // bits 0 - 31
+        var high = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+        // Unpack index
+        index = 0;
+        // Create the state of the decimal
+        var dec = {
+            low: new long_1.Long(low, midl),
+            high: new long_1.Long(midh, high)
+        };
+        if (dec.high.lessThan(long_1.Long.ZERO)) {
+            string.push('-');
+        }
+        // Decode combination field and exponent
+        // bits 1 - 5
+        var combination = (high >> 26) & COMBINATION_MASK;
+        if (combination >> 3 === 3) {
+            // Check for 'special' values
+            if (combination === COMBINATION_INFINITY) {
+                return string.join('') + 'Infinity';
+            }
+            else if (combination === COMBINATION_NAN) {
+                return 'NaN';
+            }
+            else {
+                biased_exponent = (high >> 15) & EXPONENT_MASK;
+                significand_msb = 0x08 + ((high >> 14) & 0x01);
+            }
+        }
+        else {
+            significand_msb = (high >> 14) & 0x07;
+            biased_exponent = (high >> 17) & EXPONENT_MASK;
+        }
+        // unbiased exponent
+        var exponent = biased_exponent - EXPONENT_BIAS;
+        // Create string of significand digits
+        // Convert the 114-bit binary number represented by
+        // (significand_high, significand_low) to at most 34 decimal
+        // digits through modulo and division.
+        significand128.parts[0] = (high & 0x3fff) + ((significand_msb & 0xf) << 14);
+        significand128.parts[1] = midh;
+        significand128.parts[2] = midl;
+        significand128.parts[3] = low;
+        if (significand128.parts[0] === 0 &&
+            significand128.parts[1] === 0 &&
+            significand128.parts[2] === 0 &&
+            significand128.parts[3] === 0) {
+            is_zero = true;
+        }
+        else {
+            for (k = 3; k >= 0; k--) {
+                var least_digits = 0;
+                // Perform the divide
+                var result = divideu128(significand128);
+                significand128 = result.quotient;
+                least_digits = result.rem.low;
+                // We now have the 9 least significant digits (in base 2).
+                // Convert and output to string.
+                if (!least_digits)
+                    continue;
+                for (j = 8; j >= 0; j--) {
+                    // significand[k * 9 + j] = Math.round(least_digits % 10);
+                    significand[k * 9 + j] = least_digits % 10;
+                    // least_digits = Math.round(least_digits / 10);
+                    least_digits = Math.floor(least_digits / 10);
+                }
+            }
+        }
+        // Output format options:
+        // Scientific - [-]d.dddE(+/-)dd or [-]dE(+/-)dd
+        // Regular    - ddd.ddd
+        if (is_zero) {
+            significand_digits = 1;
+            significand[index] = 0;
+        }
+        else {
+            significand_digits = 36;
+            while (!significand[index]) {
+                significand_digits = significand_digits - 1;
+                index = index + 1;
+            }
+        }
+        // the exponent if scientific notation is used
+        var scientific_exponent = significand_digits - 1 + exponent;
+        // The scientific exponent checks are dictated by the string conversion
+        // specification and are somewhat arbitrary cutoffs.
+        //
+        // We must check exponent > 0, because if this is the case, the number
+        // has trailing zeros.  However, we *cannot* output these trailing zeros,
+        // because doing so would change the precision of the value, and would
+        // change stored data if the string converted number is round tripped.
+        if (scientific_exponent >= 34 || scientific_exponent <= -7 || exponent > 0) {
+            // Scientific format
+            // if there are too many significant digits, we should just be treating numbers
+            // as + or - 0 and using the non-scientific exponent (this is for the "invalid
+            // representation should be treated as 0/-0" spec cases in decimal128-1.json)
+            if (significand_digits > 34) {
+                string.push("".concat(0));
+                if (exponent > 0)
+                    string.push("E+".concat(exponent));
+                else if (exponent < 0)
+                    string.push("E".concat(exponent));
+                return string.join('');
+            }
+            string.push("".concat(significand[index++]));
+            significand_digits = significand_digits - 1;
+            if (significand_digits) {
+                string.push('.');
+            }
+            for (var i = 0; i < significand_digits; i++) {
+                string.push("".concat(significand[index++]));
+            }
+            // Exponent
+            string.push('E');
+            if (scientific_exponent > 0) {
+                string.push("+".concat(scientific_exponent));
+            }
+            else {
+                string.push("".concat(scientific_exponent));
+            }
+        }
+        else {
+            // Regular format with no decimal place
+            if (exponent >= 0) {
+                for (var i = 0; i < significand_digits; i++) {
+                    string.push("".concat(significand[index++]));
+                }
+            }
+            else {
+                var radix_position = significand_digits + exponent;
+                // non-zero digits before radix
+                if (radix_position > 0) {
+                    for (var i = 0; i < radix_position; i++) {
+                        string.push("".concat(significand[index++]));
+                    }
+                }
+                else {
+                    string.push('0');
+                }
+                string.push('.');
+                // add leading zeros after radix
+                while (radix_position++ < 0) {
+                    string.push('0');
+                }
+                for (var i = 0; i < significand_digits - Math.max(radix_position - 1, 0); i++) {
+                    string.push("".concat(significand[index++]));
+                }
+            }
+        }
+        return string.join('');
+    };
+    Decimal128.prototype.toJSON = function () {
+        return { $numberDecimal: this.toString() };
+    };
+    /** @internal */
+    Decimal128.prototype.toExtendedJSON = function () {
+        return { $numberDecimal: this.toString() };
+    };
+    /** @internal */
+    Decimal128.fromExtendedJSON = function (doc) {
+        return Decimal128.fromString(doc.$numberDecimal);
+    };
+    /** @internal */
+    Decimal128.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Decimal128.prototype.inspect = function () {
+        return "new Decimal128(\"".concat(this.toString(), "\")");
+    };
+    return Decimal128;
+}());
+exports.Decimal128 = Decimal128;
+Object.defineProperty(Decimal128.prototype, '_bsontype', { value: 'Decimal128' });
+//# sourceMappingURL=decimal128.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/decimal128.js.map b/node_modules/bson/lib/decimal128.js.map
new file mode 100644
index 000000000..31f0ee87d
--- /dev/null
+++ b/node_modules/bson/lib/decimal128.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/bson/lib/double.js b/node_modules/bson/lib/double.js
new file mode 100644
index 000000000..39c488f32
--- /dev/null
+++ b/node_modules/bson/lib/double.js
@@ -0,0 +1,76 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Double = void 0;
+/**
+ * A class representation of the BSON Double type.
+ * @public
+ * @category BSONType
+ */
+var Double = /** @class */ (function () {
+    /**
+     * Create a Double type
+     *
+     * @param value - the number we want to represent as a double.
+     */
+    function Double(value) {
+        if (!(this instanceof Double))
+            return new Double(value);
+        if (value instanceof Number) {
+            value = value.valueOf();
+        }
+        this.value = +value;
+    }
+    /**
+     * Access the number value.
+     *
+     * @returns returns the wrapped double number.
+     */
+    Double.prototype.valueOf = function () {
+        return this.value;
+    };
+    Double.prototype.toJSON = function () {
+        return this.value;
+    };
+    Double.prototype.toString = function (radix) {
+        return this.value.toString(radix);
+    };
+    /** @internal */
+    Double.prototype.toExtendedJSON = function (options) {
+        if (options && (options.legacy || (options.relaxed && isFinite(this.value)))) {
+            return this.value;
+        }
+        // NOTE: JavaScript has +0 and -0, apparently to model limit calculations. If a user
+        // explicitly provided `-0` then we need to ensure the sign makes it into the output
+        if (Object.is(Math.sign(this.value), -0)) {
+            return { $numberDouble: "-".concat(this.value.toFixed(1)) };
+        }
+        var $numberDouble;
+        if (Number.isInteger(this.value)) {
+            $numberDouble = this.value.toFixed(1);
+            if ($numberDouble.length >= 13) {
+                $numberDouble = this.value.toExponential(13).toUpperCase();
+            }
+        }
+        else {
+            $numberDouble = this.value.toString();
+        }
+        return { $numberDouble: $numberDouble };
+    };
+    /** @internal */
+    Double.fromExtendedJSON = function (doc, options) {
+        var doubleValue = parseFloat(doc.$numberDouble);
+        return options && options.relaxed ? doubleValue : new Double(doubleValue);
+    };
+    /** @internal */
+    Double.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Double.prototype.inspect = function () {
+        var eJSON = this.toExtendedJSON();
+        return "new Double(".concat(eJSON.$numberDouble, ")");
+    };
+    return Double;
+}());
+exports.Double = Double;
+Object.defineProperty(Double.prototype, '_bsontype', { value: 'Double' });
+//# sourceMappingURL=double.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/double.js.map b/node_modules/bson/lib/double.js.map
new file mode 100644
index 000000000..31201e109
--- /dev/null
+++ b/node_modules/bson/lib/double.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"double.js","sourceRoot":"","sources":["../src/double.ts"],"names":[],"mappings":";;;AAOA;;;;GAIG;AACH;IAIE;;;;OAIG;IACH,gBAAY,KAAa;QACvB,IAAI,CAAC,CAAC,IAAI,YAAY,MAAM,CAAC;YAAE,OAAO,IAAI,MAAM,CAAC,KAAK,CAAC,CAAC;QAExD,IAAK,KAAiB,YAAY,MAAM,EAAE;YACxC,KAAK,GAAG,KAAK,CAAC,OAAO,EAAE,CAAC;SACzB;QAED,IAAI,CAAC,KAAK,GAAG,CAAC,KAAK,CAAC;IACtB,CAAC;IAED;;;;OAIG;IACH,wBAAO,GAAP;QACE,OAAO,IAAI,CAAC,KAAK,CAAC;IACpB,CAAC;IAED,uBAAM,GAAN;QACE,OAAO,IAAI,CAAC,KAAK,CAAC;IACpB,CAAC;IAED,yBAAQ,GAAR,UAAS,KAAc;QACrB,OAAO,IAAI,CAAC,KAAK,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC;IACpC,CAAC;IAED,gBAAgB;IAChB,+BAAc,GAAd,UAAe,OAAsB;QACnC,IAAI,OAAO,IAAI,CAAC,OAAO,CAAC,MAAM,IAAI,CAAC,OAAO,CAAC,OAAO,IAAI,QAAQ,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE;YAC5E,OAAO,IAAI,CAAC,KAAK,CAAC;SACnB;QAED,oFAAoF;QACpF,oFAAoF;QACpF,IAAI,MAAM,CAAC,EAAE,CAAC,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,EAAE,CAAC,CAAC,CAAC,EAAE;YACxC,OAAO,EAAE,aAAa,EAAE,WAAI,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,CAAE,EAAE,CAAC;SACvD;QAED,IAAI,aAAqB,CAAC;QAC1B,IAAI,MAAM,CAAC,SAAS,CAAC,IAAI,CAAC,KAAK,CAAC,EAAE;YAChC,aAAa,GAAG,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC;YACtC,IAAI,aAAa,CAAC,MAAM,IAAI,EAAE,EAAE;gBAC9B,aAAa,GAAG,IAAI,CAAC,KAAK,CAAC,aAAa,CAAC,EAAE,CAAC,CAAC,WAAW,EAAE,CAAC;aAC5D;SACF;aAAM;YACL,aAAa,GAAG,IAAI,CAAC,KAAK,CAAC,QAAQ,EAAE,CAAC;SACvC;QAED,OAAO,EAAE,aAAa,eAAA,EAAE,CAAC;IAC3B,CAAC;IAED,gBAAgB;IACT,uBAAgB,GAAvB,UAAwB,GAAmB,EAAE,OAAsB;QACjE,IAAM,WAAW,GAAG,UAAU,CAAC,GAAG,CAAC,aAAa,CAAC,CAAC;QAClD,OAAO,OAAO,IAAI,OAAO,CAAC,OAAO,CAAC,CAAC,CAAC,WAAW,CAAC,CAAC,CAAC,IAAI,MAAM,CAAC,WAAW,CAAC,CAAC;IAC5E,CAAC;IAED,gBAAgB;IAChB,iBAAC,MAAM,CAAC,GAAG,CAAC,4BAA4B,CAAC,CAAC,GAA1C;QACE,OAAO,IAAI,CAAC,OAAO,EAAE,CAAC;IACxB,CAAC;IAED,wBAAO,GAAP;QACE,IAAM,KAAK,GAAG,IAAI,CAAC,cAAc,EAAoB,CAAC;QACtD,OAAO,qBAAc,KAAK,CAAC,aAAa,MAAG,CAAC;IAC9C,CAAC;IACH,aAAC;AAAD,CAAC,AA5ED,IA4EC;AA5EY,wBAAM;AA8EnB,MAAM,CAAC,cAAc,CAAC,MAAM,CAAC,SAAS,EAAE,WAAW,EAAE,EAAE,KAAK,EAAE,QAAQ,EAAE,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/ensure_buffer.js b/node_modules/bson/lib/ensure_buffer.js
new file mode 100644
index 000000000..d8298ea4a
--- /dev/null
+++ b/node_modules/bson/lib/ensure_buffer.js
@@ -0,0 +1,25 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ensureBuffer = void 0;
+var buffer_1 = require("buffer");
+var error_1 = require("./error");
+var utils_1 = require("./parser/utils");
+/**
+ * Makes sure that, if a Uint8Array is passed in, it is wrapped in a Buffer.
+ *
+ * @param potentialBuffer - The potential buffer
+ * @returns Buffer the input if potentialBuffer is a buffer, or a buffer that
+ * wraps a passed in Uint8Array
+ * @throws BSONTypeError If anything other than a Buffer or Uint8Array is passed in
+ */
+function ensureBuffer(potentialBuffer) {
+    if (ArrayBuffer.isView(potentialBuffer)) {
+        return buffer_1.Buffer.from(potentialBuffer.buffer, potentialBuffer.byteOffset, potentialBuffer.byteLength);
+    }
+    if ((0, utils_1.isAnyArrayBuffer)(potentialBuffer)) {
+        return buffer_1.Buffer.from(potentialBuffer);
+    }
+    throw new error_1.BSONTypeError('Must use either Buffer or TypedArray');
+}
+exports.ensureBuffer = ensureBuffer;
+//# sourceMappingURL=ensure_buffer.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/ensure_buffer.js.map b/node_modules/bson/lib/ensure_buffer.js.map
new file mode 100644
index 000000000..f39d86a6c
--- /dev/null
+++ b/node_modules/bson/lib/ensure_buffer.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"ensure_buffer.js","sourceRoot":"","sources":["../src/ensure_buffer.ts"],"names":[],"mappings":";;;AAAA,iCAAgC;AAChC,iCAAwC;AACxC,wCAAkD;AAElD;;;;;;;GAOG;AACH,SAAgB,YAAY,CAAC,eAAuD;IAClF,IAAI,WAAW,CAAC,MAAM,CAAC,eAAe,CAAC,EAAE;QACvC,OAAO,eAAM,CAAC,IAAI,CAChB,eAAe,CAAC,MAAM,EACtB,eAAe,CAAC,UAAU,EAC1B,eAAe,CAAC,UAAU,CAC3B,CAAC;KACH;IAED,IAAI,IAAA,wBAAgB,EAAC,eAAe,CAAC,EAAE;QACrC,OAAO,eAAM,CAAC,IAAI,CAAC,eAAe,CAAC,CAAC;KACrC;IAED,MAAM,IAAI,qBAAa,CAAC,sCAAsC,CAAC,CAAC;AAClE,CAAC;AAdD,oCAcC"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/error.js b/node_modules/bson/lib/error.js
new file mode 100644
index 000000000..035ce86f1
--- /dev/null
+++ b/node_modules/bson/lib/error.js
@@ -0,0 +1,55 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.BSONTypeError = exports.BSONError = void 0;
+/** @public */
+var BSONError = /** @class */ (function (_super) {
+    __extends(BSONError, _super);
+    function BSONError(message) {
+        var _this = _super.call(this, message) || this;
+        Object.setPrototypeOf(_this, BSONError.prototype);
+        return _this;
+    }
+    Object.defineProperty(BSONError.prototype, "name", {
+        get: function () {
+            return 'BSONError';
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return BSONError;
+}(Error));
+exports.BSONError = BSONError;
+/** @public */
+var BSONTypeError = /** @class */ (function (_super) {
+    __extends(BSONTypeError, _super);
+    function BSONTypeError(message) {
+        var _this = _super.call(this, message) || this;
+        Object.setPrototypeOf(_this, BSONTypeError.prototype);
+        return _this;
+    }
+    Object.defineProperty(BSONTypeError.prototype, "name", {
+        get: function () {
+            return 'BSONTypeError';
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return BSONTypeError;
+}(TypeError));
+exports.BSONTypeError = BSONTypeError;
+//# sourceMappingURL=error.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/error.js.map b/node_modules/bson/lib/error.js.map
new file mode 100644
index 000000000..2acd4ef3f
--- /dev/null
+++ b/node_modules/bson/lib/error.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"error.js","sourceRoot":"","sources":["../src/error.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;AAAA,cAAc;AACd;IAA+B,6BAAK;IAClC,mBAAY,OAAe;QAA3B,YACE,kBAAM,OAAO,CAAC,SAEf;QADC,MAAM,CAAC,cAAc,CAAC,KAAI,EAAE,SAAS,CAAC,SAAS,CAAC,CAAC;;IACnD,CAAC;IAED,sBAAI,2BAAI;aAAR;YACE,OAAO,WAAW,CAAC;QACrB,CAAC;;;OAAA;IACH,gBAAC;AAAD,CAAC,AATD,CAA+B,KAAK,GASnC;AATY,8BAAS;AAWtB,cAAc;AACd;IAAmC,iCAAS;IAC1C,uBAAY,OAAe;QAA3B,YACE,kBAAM,OAAO,CAAC,SAEf;QADC,MAAM,CAAC,cAAc,CAAC,KAAI,EAAE,aAAa,CAAC,SAAS,CAAC,CAAC;;IACvD,CAAC;IAED,sBAAI,+BAAI;aAAR;YACE,OAAO,eAAe,CAAC;QACzB,CAAC;;;OAAA;IACH,oBAAC;AAAD,CAAC,AATD,CAAmC,SAAS,GAS3C;AATY,sCAAa"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/extended_json.js b/node_modules/bson/lib/extended_json.js
new file mode 100644
index 000000000..980e4db74
--- /dev/null
+++ b/node_modules/bson/lib/extended_json.js
@@ -0,0 +1,390 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EJSON = exports.isBSONType = void 0;
+var binary_1 = require("./binary");
+var code_1 = require("./code");
+var db_ref_1 = require("./db_ref");
+var decimal128_1 = require("./decimal128");
+var double_1 = require("./double");
+var error_1 = require("./error");
+var int_32_1 = require("./int_32");
+var long_1 = require("./long");
+var max_key_1 = require("./max_key");
+var min_key_1 = require("./min_key");
+var objectid_1 = require("./objectid");
+var utils_1 = require("./parser/utils");
+var regexp_1 = require("./regexp");
+var symbol_1 = require("./symbol");
+var timestamp_1 = require("./timestamp");
+function isBSONType(value) {
+    return ((0, utils_1.isObjectLike)(value) && Reflect.has(value, '_bsontype') && typeof value._bsontype === 'string');
+}
+exports.isBSONType = isBSONType;
+// INT32 boundaries
+var BSON_INT32_MAX = 0x7fffffff;
+var BSON_INT32_MIN = -0x80000000;
+// INT64 boundaries
+// const BSON_INT64_MAX = 0x7fffffffffffffff; // TODO(NODE-4377): This number cannot be precisely represented in JS
+var BSON_INT64_MAX = 0x8000000000000000;
+var BSON_INT64_MIN = -0x8000000000000000;
+// all the types where we don't need to do any special processing and can just pass the EJSON
+//straight to type.fromExtendedJSON
+var keysToCodecs = {
+    $oid: objectid_1.ObjectId,
+    $binary: binary_1.Binary,
+    $uuid: binary_1.Binary,
+    $symbol: symbol_1.BSONSymbol,
+    $numberInt: int_32_1.Int32,
+    $numberDecimal: decimal128_1.Decimal128,
+    $numberDouble: double_1.Double,
+    $numberLong: long_1.Long,
+    $minKey: min_key_1.MinKey,
+    $maxKey: max_key_1.MaxKey,
+    $regex: regexp_1.BSONRegExp,
+    $regularExpression: regexp_1.BSONRegExp,
+    $timestamp: timestamp_1.Timestamp
+};
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function deserializeValue(value, options) {
+    if (options === void 0) { options = {}; }
+    if (typeof value === 'number') {
+        if (options.relaxed || options.legacy) {
+            return value;
+        }
+        // if it's an integer, should interpret as smallest BSON integer
+        // that can represent it exactly. (if out of range, interpret as double.)
+        if (Math.floor(value) === value) {
+            if (value >= BSON_INT32_MIN && value <= BSON_INT32_MAX)
+                return new int_32_1.Int32(value);
+            if (value >= BSON_INT64_MIN && value <= BSON_INT64_MAX)
+                return long_1.Long.fromNumber(value);
+        }
+        // If the number is a non-integer or out of integer range, should interpret as BSON Double.
+        return new double_1.Double(value);
+    }
+    // from here on out we're looking for bson types, so bail if its not an object
+    if (value == null || typeof value !== 'object')
+        return value;
+    // upgrade deprecated undefined to null
+    if (value.$undefined)
+        return null;
+    var keys = Object.keys(value).filter(function (k) { return k.startsWith('$') && value[k] != null; });
+    for (var i = 0; i < keys.length; i++) {
+        var c = keysToCodecs[keys[i]];
+        if (c)
+            return c.fromExtendedJSON(value, options);
+    }
+    if (value.$date != null) {
+        var d = value.$date;
+        var date = new Date();
+        if (options.legacy) {
+            if (typeof d === 'number')
+                date.setTime(d);
+            else if (typeof d === 'string')
+                date.setTime(Date.parse(d));
+        }
+        else {
+            if (typeof d === 'string')
+                date.setTime(Date.parse(d));
+            else if (long_1.Long.isLong(d))
+                date.setTime(d.toNumber());
+            else if (typeof d === 'number' && options.relaxed)
+                date.setTime(d);
+        }
+        return date;
+    }
+    if (value.$code != null) {
+        var copy = Object.assign({}, value);
+        if (value.$scope) {
+            copy.$scope = deserializeValue(value.$scope);
+        }
+        return code_1.Code.fromExtendedJSON(value);
+    }
+    if ((0, db_ref_1.isDBRefLike)(value) || value.$dbPointer) {
+        var v = value.$ref ? value : value.$dbPointer;
+        // we run into this in a "degenerate EJSON" case (with $id and $ref order flipped)
+        // because of the order JSON.parse goes through the document
+        if (v instanceof db_ref_1.DBRef)
+            return v;
+        var dollarKeys = Object.keys(v).filter(function (k) { return k.startsWith('$'); });
+        var valid_1 = true;
+        dollarKeys.forEach(function (k) {
+            if (['$ref', '$id', '$db'].indexOf(k) === -1)
+                valid_1 = false;
+        });
+        // only make DBRef if $ keys are all valid
+        if (valid_1)
+            return db_ref_1.DBRef.fromExtendedJSON(v);
+    }
+    return value;
+}
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function serializeArray(array, options) {
+    return array.map(function (v, index) {
+        options.seenObjects.push({ propertyName: "index ".concat(index), obj: null });
+        try {
+            return serializeValue(v, options);
+        }
+        finally {
+            options.seenObjects.pop();
+        }
+    });
+}
+function getISOString(date) {
+    var isoStr = date.toISOString();
+    // we should only show milliseconds in timestamp if they're non-zero
+    return date.getUTCMilliseconds() !== 0 ? isoStr : isoStr.slice(0, -5) + 'Z';
+}
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function serializeValue(value, options) {
+    if ((typeof value === 'object' || typeof value === 'function') && value !== null) {
+        var index = options.seenObjects.findIndex(function (entry) { return entry.obj === value; });
+        if (index !== -1) {
+            var props = options.seenObjects.map(function (entry) { return entry.propertyName; });
+            var leadingPart = props
+                .slice(0, index)
+                .map(function (prop) { return "".concat(prop, " -> "); })
+                .join('');
+            var alreadySeen = props[index];
+            var circularPart = ' -> ' +
+                props
+                    .slice(index + 1, props.length - 1)
+                    .map(function (prop) { return "".concat(prop, " -> "); })
+                    .join('');
+            var current = props[props.length - 1];
+            var leadingSpace = ' '.repeat(leadingPart.length + alreadySeen.length / 2);
+            var dashes = '-'.repeat(circularPart.length + (alreadySeen.length + current.length) / 2 - 1);
+            throw new error_1.BSONTypeError('Converting circular structure to EJSON:\n' +
+                "    ".concat(leadingPart).concat(alreadySeen).concat(circularPart).concat(current, "\n") +
+                "    ".concat(leadingSpace, "\\").concat(dashes, "/"));
+        }
+        options.seenObjects[options.seenObjects.length - 1].obj = value;
+    }
+    if (Array.isArray(value))
+        return serializeArray(value, options);
+    if (value === undefined)
+        return null;
+    if (value instanceof Date || (0, utils_1.isDate)(value)) {
+        var dateNum = value.getTime(), 
+        // is it in year range 1970-9999?
+        inRange = dateNum > -1 && dateNum < 253402318800000;
+        if (options.legacy) {
+            return options.relaxed && inRange
+                ? { $date: value.getTime() }
+                : { $date: getISOString(value) };
+        }
+        return options.relaxed && inRange
+            ? { $date: getISOString(value) }
+            : { $date: { $numberLong: value.getTime().toString() } };
+    }
+    if (typeof value === 'number' && (!options.relaxed || !isFinite(value))) {
+        // it's an integer
+        if (Math.floor(value) === value) {
+            var int32Range = value >= BSON_INT32_MIN && value <= BSON_INT32_MAX, int64Range = value >= BSON_INT64_MIN && value <= BSON_INT64_MAX;
+            // interpret as being of the smallest BSON integer type that can represent the number exactly
+            if (int32Range)
+                return { $numberInt: value.toString() };
+            if (int64Range)
+                return { $numberLong: value.toString() };
+        }
+        return { $numberDouble: value.toString() };
+    }
+    if (value instanceof RegExp || (0, utils_1.isRegExp)(value)) {
+        var flags = value.flags;
+        if (flags === undefined) {
+            var match = value.toString().match(/[gimuy]*$/);
+            if (match) {
+                flags = match[0];
+            }
+        }
+        var rx = new regexp_1.BSONRegExp(value.source, flags);
+        return rx.toExtendedJSON(options);
+    }
+    if (value != null && typeof value === 'object')
+        return serializeDocument(value, options);
+    return value;
+}
+var BSON_TYPE_MAPPINGS = {
+    Binary: function (o) { return new binary_1.Binary(o.value(), o.sub_type); },
+    Code: function (o) { return new code_1.Code(o.code, o.scope); },
+    DBRef: function (o) { return new db_ref_1.DBRef(o.collection || o.namespace, o.oid, o.db, o.fields); },
+    Decimal128: function (o) { return new decimal128_1.Decimal128(o.bytes); },
+    Double: function (o) { return new double_1.Double(o.value); },
+    Int32: function (o) { return new int_32_1.Int32(o.value); },
+    Long: function (o) {
+        return long_1.Long.fromBits(
+        // underscore variants for 1.x backwards compatibility
+        o.low != null ? o.low : o.low_, o.low != null ? o.high : o.high_, o.low != null ? o.unsigned : o.unsigned_);
+    },
+    MaxKey: function () { return new max_key_1.MaxKey(); },
+    MinKey: function () { return new min_key_1.MinKey(); },
+    ObjectID: function (o) { return new objectid_1.ObjectId(o); },
+    ObjectId: function (o) { return new objectid_1.ObjectId(o); },
+    BSONRegExp: function (o) { return new regexp_1.BSONRegExp(o.pattern, o.options); },
+    Symbol: function (o) { return new symbol_1.BSONSymbol(o.value); },
+    Timestamp: function (o) { return timestamp_1.Timestamp.fromBits(o.low, o.high); }
+};
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function serializeDocument(doc, options) {
+    if (doc == null || typeof doc !== 'object')
+        throw new error_1.BSONError('not an object instance');
+    var bsontype = doc._bsontype;
+    if (typeof bsontype === 'undefined') {
+        // It's a regular object. Recursively serialize its property values.
+        var _doc = {};
+        for (var name in doc) {
+            options.seenObjects.push({ propertyName: name, obj: null });
+            try {
+                var value = serializeValue(doc[name], options);
+                if (name === '__proto__') {
+                    Object.defineProperty(_doc, name, {
+                        value: value,
+                        writable: true,
+                        enumerable: true,
+                        configurable: true
+                    });
+                }
+                else {
+                    _doc[name] = value;
+                }
+            }
+            finally {
+                options.seenObjects.pop();
+            }
+        }
+        return _doc;
+    }
+    else if (isBSONType(doc)) {
+        // the "document" is really just a BSON type object
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+        var outDoc = doc;
+        if (typeof outDoc.toExtendedJSON !== 'function') {
+            // There's no EJSON serialization function on the object. It's probably an
+            // object created by a previous version of this library (or another library)
+            // that's duck-typing objects to look like they were generated by this library).
+            // Copy the object into this library's version of that type.
+            var mapper = BSON_TYPE_MAPPINGS[doc._bsontype];
+            if (!mapper) {
+                throw new error_1.BSONTypeError('Unrecognized or invalid _bsontype: ' + doc._bsontype);
+            }
+            outDoc = mapper(outDoc);
+        }
+        // Two BSON types may have nested objects that may need to be serialized too
+        if (bsontype === 'Code' && outDoc.scope) {
+            outDoc = new code_1.Code(outDoc.code, serializeValue(outDoc.scope, options));
+        }
+        else if (bsontype === 'DBRef' && outDoc.oid) {
+            outDoc = new db_ref_1.DBRef(serializeValue(outDoc.collection, options), serializeValue(outDoc.oid, options), serializeValue(outDoc.db, options), serializeValue(outDoc.fields, options));
+        }
+        return outDoc.toExtendedJSON(options);
+    }
+    else {
+        throw new error_1.BSONError('_bsontype must be a string, but was: ' + typeof bsontype);
+    }
+}
+/**
+ * EJSON parse / stringify API
+ * @public
+ */
+// the namespace here is used to emulate `export * as EJSON from '...'`
+// which as of now (sept 2020) api-extractor does not support
+// eslint-disable-next-line @typescript-eslint/no-namespace
+var EJSON;
+(function (EJSON) {
+    /**
+     * Parse an Extended JSON string, constructing the JavaScript value or object described by that
+     * string.
+     *
+     * @example
+     * ```js
+     * const { EJSON } = require('bson');
+     * const text = '{ "int32": { "$numberInt": "10" } }';
+     *
+     * // prints { int32: { [String: '10'] _bsontype: 'Int32', value: '10' } }
+     * console.log(EJSON.parse(text, { relaxed: false }));
+     *
+     * // prints { int32: 10 }
+     * console.log(EJSON.parse(text));
+     * ```
+     */
+    function parse(text, options) {
+        var finalOptions = Object.assign({}, { relaxed: true, legacy: false }, options);
+        // relaxed implies not strict
+        if (typeof finalOptions.relaxed === 'boolean')
+            finalOptions.strict = !finalOptions.relaxed;
+        if (typeof finalOptions.strict === 'boolean')
+            finalOptions.relaxed = !finalOptions.strict;
+        return JSON.parse(text, function (key, value) {
+            if (key.indexOf('\x00') !== -1) {
+                throw new error_1.BSONError("BSON Document field names cannot contain null bytes, found: ".concat(JSON.stringify(key)));
+            }
+            return deserializeValue(value, finalOptions);
+        });
+    }
+    EJSON.parse = parse;
+    /**
+     * Converts a BSON document to an Extended JSON string, optionally replacing values if a replacer
+     * function is specified or optionally including only the specified properties if a replacer array
+     * is specified.
+     *
+     * @param value - The value to convert to extended JSON
+     * @param replacer - A function that alters the behavior of the stringification process, or an array of String and Number objects that serve as a whitelist for selecting/filtering the properties of the value object to be included in the JSON string. If this value is null or not provided, all properties of the object are included in the resulting JSON string
+     * @param space - A String or Number object that's used to insert white space into the output JSON string for readability purposes.
+     * @param options - Optional settings
+     *
+     * @example
+     * ```js
+     * const { EJSON } = require('bson');
+     * const Int32 = require('mongodb').Int32;
+     * const doc = { int32: new Int32(10) };
+     *
+     * // prints '{"int32":{"$numberInt":"10"}}'
+     * console.log(EJSON.stringify(doc, { relaxed: false }));
+     *
+     * // prints '{"int32":10}'
+     * console.log(EJSON.stringify(doc));
+     * ```
+     */
+    function stringify(value, 
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    replacer, space, options) {
+        if (space != null && typeof space === 'object') {
+            options = space;
+            space = 0;
+        }
+        if (replacer != null && typeof replacer === 'object' && !Array.isArray(replacer)) {
+            options = replacer;
+            replacer = undefined;
+            space = 0;
+        }
+        var serializeOptions = Object.assign({ relaxed: true, legacy: false }, options, {
+            seenObjects: [{ propertyName: '(root)', obj: null }]
+        });
+        var doc = serializeValue(value, serializeOptions);
+        return JSON.stringify(doc, replacer, space);
+    }
+    EJSON.stringify = stringify;
+    /**
+     * Serializes an object to an Extended JSON string, and reparse it as a JavaScript object.
+     *
+     * @param value - The object to serialize
+     * @param options - Optional settings passed to the `stringify` function
+     */
+    function serialize(value, options) {
+        options = options || {};
+        return JSON.parse(stringify(value, options));
+    }
+    EJSON.serialize = serialize;
+    /**
+     * Deserializes an Extended JSON object into a plain JavaScript object with native/BSON types
+     *
+     * @param ejson - The Extended JSON object to deserialize
+     * @param options - Optional settings passed to the parse method
+     */
+    function deserialize(ejson, options) {
+        options = options || {};
+        return parse(JSON.stringify(ejson), options);
+    }
+    EJSON.deserialize = deserialize;
+})(EJSON = exports.EJSON || (exports.EJSON = {}));
+//# sourceMappingURL=extended_json.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/extended_json.js.map b/node_modules/bson/lib/extended_json.js.map
new file mode 100644
index 000000000..d123c0ebb
--- /dev/null
+++ b/node_modules/bson/lib/extended_json.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/bson/lib/int_32.js b/node_modules/bson/lib/int_32.js
new file mode 100644
index 000000000..e862255df
--- /dev/null
+++ b/node_modules/bson/lib/int_32.js
@@ -0,0 +1,58 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Int32 = void 0;
+/**
+ * A class representation of a BSON Int32 type.
+ * @public
+ * @category BSONType
+ */
+var Int32 = /** @class */ (function () {
+    /**
+     * Create an Int32 type
+     *
+     * @param value - the number we want to represent as an int32.
+     */
+    function Int32(value) {
+        if (!(this instanceof Int32))
+            return new Int32(value);
+        if (value instanceof Number) {
+            value = value.valueOf();
+        }
+        this.value = +value | 0;
+    }
+    /**
+     * Access the number value.
+     *
+     * @returns returns the wrapped int32 number.
+     */
+    Int32.prototype.valueOf = function () {
+        return this.value;
+    };
+    Int32.prototype.toString = function (radix) {
+        return this.value.toString(radix);
+    };
+    Int32.prototype.toJSON = function () {
+        return this.value;
+    };
+    /** @internal */
+    Int32.prototype.toExtendedJSON = function (options) {
+        if (options && (options.relaxed || options.legacy))
+            return this.value;
+        return { $numberInt: this.value.toString() };
+    };
+    /** @internal */
+    Int32.fromExtendedJSON = function (doc, options) {
+        return options && options.relaxed ? parseInt(doc.$numberInt, 10) : new Int32(doc.$numberInt);
+    };
+    /** @internal */
+    Int32.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Int32.prototype.inspect = function () {
+        return "new Int32(".concat(this.valueOf(), ")");
+    };
+    return Int32;
+}());
+exports.Int32 = Int32;
+Object.defineProperty(Int32.prototype, '_bsontype', { value: 'Int32' });
+//# sourceMappingURL=int_32.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/int_32.js.map b/node_modules/bson/lib/int_32.js.map
new file mode 100644
index 000000000..f55ab8596
--- /dev/null
+++ b/node_modules/bson/lib/int_32.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"int_32.js","sourceRoot":"","sources":["../src/int_32.ts"],"names":[],"mappings":";;;AAOA;;;;GAIG;AACH;IAIE;;;;OAIG;IACH,eAAY,KAAsB;QAChC,IAAI,CAAC,CAAC,IAAI,YAAY,KAAK,CAAC;YAAE,OAAO,IAAI,KAAK,CAAC,KAAK,CAAC,CAAC;QAEtD,IAAK,KAAiB,YAAY,MAAM,EAAE;YACxC,KAAK,GAAG,KAAK,CAAC,OAAO,EAAE,CAAC;SACzB;QAED,IAAI,CAAC,KAAK,GAAG,CAAC,KAAK,GAAG,CAAC,CAAC;IAC1B,CAAC;IAED;;;;OAIG;IACH,uBAAO,GAAP;QACE,OAAO,IAAI,CAAC,KAAK,CAAC;IACpB,CAAC;IAED,wBAAQ,GAAR,UAAS,KAAc;QACrB,OAAO,IAAI,CAAC,KAAK,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC;IACpC,CAAC;IAED,sBAAM,GAAN;QACE,OAAO,IAAI,CAAC,KAAK,CAAC;IACpB,CAAC;IAED,gBAAgB;IAChB,8BAAc,GAAd,UAAe,OAAsB;QACnC,IAAI,OAAO,IAAI,CAAC,OAAO,CAAC,OAAO,IAAI,OAAO,CAAC,MAAM,CAAC;YAAE,OAAO,IAAI,CAAC,KAAK,CAAC;QACtE,OAAO,EAAE,UAAU,EAAE,IAAI,CAAC,KAAK,CAAC,QAAQ,EAAE,EAAE,CAAC;IAC/C,CAAC;IAED,gBAAgB;IACT,sBAAgB,GAAvB,UAAwB,GAAkB,EAAE,OAAsB;QAChE,OAAO,OAAO,IAAI,OAAO,CAAC,OAAO,CAAC,CAAC,CAAC,QAAQ,CAAC,GAAG,CAAC,UAAU,EAAE,EAAE,CAAC,CAAC,CAAC,CAAC,IAAI,KAAK,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC;IAC/F,CAAC;IAED,gBAAgB;IAChB,gBAAC,MAAM,CAAC,GAAG,CAAC,4BAA4B,CAAC,CAAC,GAA1C;QACE,OAAO,IAAI,CAAC,OAAO,EAAE,CAAC;IACxB,CAAC;IAED,uBAAO,GAAP;QACE,OAAO,oBAAa,IAAI,CAAC,OAAO,EAAE,MAAG,CAAC;IACxC,CAAC;IACH,YAAC;AAAD,CAAC,AAvDD,IAuDC;AAvDY,sBAAK;AAyDlB,MAAM,CAAC,cAAc,CAAC,KAAK,CAAC,SAAS,EAAE,WAAW,EAAE,EAAE,KAAK,EAAE,OAAO,EAAE,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/long.js b/node_modules/bson/lib/long.js
new file mode 100644
index 000000000..ec7aaec56
--- /dev/null
+++ b/node_modules/bson/lib/long.js
@@ -0,0 +1,900 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Long = void 0;
+var utils_1 = require("./parser/utils");
+/**
+ * wasm optimizations, to do native i64 multiplication and divide
+ */
+var wasm = undefined;
+try {
+    wasm = new WebAssembly.Instance(new WebAssembly.Module(
+    // prettier-ignore
+    new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0, 1, 13, 2, 96, 0, 1, 127, 96, 4, 127, 127, 127, 127, 1, 127, 3, 7, 6, 0, 1, 1, 1, 1, 1, 6, 6, 1, 127, 1, 65, 0, 11, 7, 50, 6, 3, 109, 117, 108, 0, 1, 5, 100, 105, 118, 95, 115, 0, 2, 5, 100, 105, 118, 95, 117, 0, 3, 5, 114, 101, 109, 95, 115, 0, 4, 5, 114, 101, 109, 95, 117, 0, 5, 8, 103, 101, 116, 95, 104, 105, 103, 104, 0, 0, 10, 191, 1, 6, 4, 0, 35, 0, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 126, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 127, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 128, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 129, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 130, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11])), {}).exports;
+}
+catch (_a) {
+    // no wasm support
+}
+var TWO_PWR_16_DBL = 1 << 16;
+var TWO_PWR_24_DBL = 1 << 24;
+var TWO_PWR_32_DBL = TWO_PWR_16_DBL * TWO_PWR_16_DBL;
+var TWO_PWR_64_DBL = TWO_PWR_32_DBL * TWO_PWR_32_DBL;
+var TWO_PWR_63_DBL = TWO_PWR_64_DBL / 2;
+/** A cache of the Long representations of small integer values. */
+var INT_CACHE = {};
+/** A cache of the Long representations of small unsigned integer values. */
+var UINT_CACHE = {};
+/**
+ * A class representing a 64-bit integer
+ * @public
+ * @category BSONType
+ * @remarks
+ * The internal representation of a long is the two given signed, 32-bit values.
+ * We use 32-bit pieces because these are the size of integers on which
+ * Javascript performs bit-operations.  For operations like addition and
+ * multiplication, we split each number into 16 bit pieces, which can easily be
+ * multiplied within Javascript's floating-point representation without overflow
+ * or change in sign.
+ * In the algorithms below, we frequently reduce the negative case to the
+ * positive case by negating the input(s) and then post-processing the result.
+ * Note that we must ALWAYS check specially whether those values are MIN_VALUE
+ * (-2^63) because -MIN_VALUE == MIN_VALUE (since 2^63 cannot be represented as
+ * a positive number, it overflows back into a negative).  Not handling this
+ * case would often result in infinite recursion.
+ * Common constant values ZERO, ONE, NEG_ONE, etc. are found as static properties on this class.
+ */
+var Long = /** @class */ (function () {
+    /**
+     * Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as *signed* integers.
+     *  See the from* functions below for more convenient ways of constructing Longs.
+     *
+     * Acceptable signatures are:
+     * - Long(low, high, unsigned?)
+     * - Long(bigint, unsigned?)
+     * - Long(string, unsigned?)
+     *
+     * @param low - The low (signed) 32 bits of the long
+     * @param high - The high (signed) 32 bits of the long
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     */
+    function Long(low, high, unsigned) {
+        if (low === void 0) { low = 0; }
+        if (!(this instanceof Long))
+            return new Long(low, high, unsigned);
+        if (typeof low === 'bigint') {
+            Object.assign(this, Long.fromBigInt(low, !!high));
+        }
+        else if (typeof low === 'string') {
+            Object.assign(this, Long.fromString(low, !!high));
+        }
+        else {
+            this.low = low | 0;
+            this.high = high | 0;
+            this.unsigned = !!unsigned;
+        }
+        Object.defineProperty(this, '__isLong__', {
+            value: true,
+            configurable: false,
+            writable: false,
+            enumerable: false
+        });
+    }
+    /**
+     * Returns a Long representing the 64 bit integer that comes by concatenating the given low and high bits.
+     * Each is assumed to use 32 bits.
+     * @param lowBits - The low 32 bits
+     * @param highBits - The high 32 bits
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromBits = function (lowBits, highBits, unsigned) {
+        return new Long(lowBits, highBits, unsigned);
+    };
+    /**
+     * Returns a Long representing the given 32 bit integer value.
+     * @param value - The 32 bit integer in question
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromInt = function (value, unsigned) {
+        var obj, cachedObj, cache;
+        if (unsigned) {
+            value >>>= 0;
+            if ((cache = 0 <= value && value < 256)) {
+                cachedObj = UINT_CACHE[value];
+                if (cachedObj)
+                    return cachedObj;
+            }
+            obj = Long.fromBits(value, (value | 0) < 0 ? -1 : 0, true);
+            if (cache)
+                UINT_CACHE[value] = obj;
+            return obj;
+        }
+        else {
+            value |= 0;
+            if ((cache = -128 <= value && value < 128)) {
+                cachedObj = INT_CACHE[value];
+                if (cachedObj)
+                    return cachedObj;
+            }
+            obj = Long.fromBits(value, value < 0 ? -1 : 0, false);
+            if (cache)
+                INT_CACHE[value] = obj;
+            return obj;
+        }
+    };
+    /**
+     * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+     * @param value - The number in question
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromNumber = function (value, unsigned) {
+        if (isNaN(value))
+            return unsigned ? Long.UZERO : Long.ZERO;
+        if (unsigned) {
+            if (value < 0)
+                return Long.UZERO;
+            if (value >= TWO_PWR_64_DBL)
+                return Long.MAX_UNSIGNED_VALUE;
+        }
+        else {
+            if (value <= -TWO_PWR_63_DBL)
+                return Long.MIN_VALUE;
+            if (value + 1 >= TWO_PWR_63_DBL)
+                return Long.MAX_VALUE;
+        }
+        if (value < 0)
+            return Long.fromNumber(-value, unsigned).neg();
+        return Long.fromBits(value % TWO_PWR_32_DBL | 0, (value / TWO_PWR_32_DBL) | 0, unsigned);
+    };
+    /**
+     * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+     * @param value - The number in question
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromBigInt = function (value, unsigned) {
+        return Long.fromString(value.toString(), unsigned);
+    };
+    /**
+     * Returns a Long representation of the given string, written using the specified radix.
+     * @param str - The textual representation of the Long
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @param radix - The radix in which the text is written (2-36), defaults to 10
+     * @returns The corresponding Long value
+     */
+    Long.fromString = function (str, unsigned, radix) {
+        if (str.length === 0)
+            throw Error('empty string');
+        if (str === 'NaN' || str === 'Infinity' || str === '+Infinity' || str === '-Infinity')
+            return Long.ZERO;
+        if (typeof unsigned === 'number') {
+            // For goog.math.long compatibility
+            (radix = unsigned), (unsigned = false);
+        }
+        else {
+            unsigned = !!unsigned;
+        }
+        radix = radix || 10;
+        if (radix < 2 || 36 < radix)
+            throw RangeError('radix');
+        var p;
+        if ((p = str.indexOf('-')) > 0)
+            throw Error('interior hyphen');
+        else if (p === 0) {
+            return Long.fromString(str.substring(1), unsigned, radix).neg();
+        }
+        // Do several (8) digits each time through the loop, so as to
+        // minimize the calls to the very expensive emulated div.
+        var radixToPower = Long.fromNumber(Math.pow(radix, 8));
+        var result = Long.ZERO;
+        for (var i = 0; i < str.length; i += 8) {
+            var size = Math.min(8, str.length - i), value = parseInt(str.substring(i, i + size), radix);
+            if (size < 8) {
+                var power = Long.fromNumber(Math.pow(radix, size));
+                result = result.mul(power).add(Long.fromNumber(value));
+            }
+            else {
+                result = result.mul(radixToPower);
+                result = result.add(Long.fromNumber(value));
+            }
+        }
+        result.unsigned = unsigned;
+        return result;
+    };
+    /**
+     * Creates a Long from its byte representation.
+     * @param bytes - Byte representation
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @param le - Whether little or big endian, defaults to big endian
+     * @returns The corresponding Long value
+     */
+    Long.fromBytes = function (bytes, unsigned, le) {
+        return le ? Long.fromBytesLE(bytes, unsigned) : Long.fromBytesBE(bytes, unsigned);
+    };
+    /**
+     * Creates a Long from its little endian byte representation.
+     * @param bytes - Little endian byte representation
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromBytesLE = function (bytes, unsigned) {
+        return new Long(bytes[0] | (bytes[1] << 8) | (bytes[2] << 16) | (bytes[3] << 24), bytes[4] | (bytes[5] << 8) | (bytes[6] << 16) | (bytes[7] << 24), unsigned);
+    };
+    /**
+     * Creates a Long from its big endian byte representation.
+     * @param bytes - Big endian byte representation
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     * @returns The corresponding Long value
+     */
+    Long.fromBytesBE = function (bytes, unsigned) {
+        return new Long((bytes[4] << 24) | (bytes[5] << 16) | (bytes[6] << 8) | bytes[7], (bytes[0] << 24) | (bytes[1] << 16) | (bytes[2] << 8) | bytes[3], unsigned);
+    };
+    /**
+     * Tests if the specified object is a Long.
+     */
+    Long.isLong = function (value) {
+        return (0, utils_1.isObjectLike)(value) && value['__isLong__'] === true;
+    };
+    /**
+     * Converts the specified value to a Long.
+     * @param unsigned - Whether unsigned or not, defaults to signed
+     */
+    Long.fromValue = function (val, unsigned) {
+        if (typeof val === 'number')
+            return Long.fromNumber(val, unsigned);
+        if (typeof val === 'string')
+            return Long.fromString(val, unsigned);
+        // Throws for non-objects, converts non-instanceof Long:
+        return Long.fromBits(val.low, val.high, typeof unsigned === 'boolean' ? unsigned : val.unsigned);
+    };
+    /** Returns the sum of this and the specified Long. */
+    Long.prototype.add = function (addend) {
+        if (!Long.isLong(addend))
+            addend = Long.fromValue(addend);
+        // Divide each number into 4 chunks of 16 bits, and then sum the chunks.
+        var a48 = this.high >>> 16;
+        var a32 = this.high & 0xffff;
+        var a16 = this.low >>> 16;
+        var a00 = this.low & 0xffff;
+        var b48 = addend.high >>> 16;
+        var b32 = addend.high & 0xffff;
+        var b16 = addend.low >>> 16;
+        var b00 = addend.low & 0xffff;
+        var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
+        c00 += a00 + b00;
+        c16 += c00 >>> 16;
+        c00 &= 0xffff;
+        c16 += a16 + b16;
+        c32 += c16 >>> 16;
+        c16 &= 0xffff;
+        c32 += a32 + b32;
+        c48 += c32 >>> 16;
+        c32 &= 0xffff;
+        c48 += a48 + b48;
+        c48 &= 0xffff;
+        return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+    };
+    /**
+     * Returns the sum of this and the specified Long.
+     * @returns Sum
+     */
+    Long.prototype.and = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        return Long.fromBits(this.low & other.low, this.high & other.high, this.unsigned);
+    };
+    /**
+     * Compares this Long's value with the specified's.
+     * @returns 0 if they are the same, 1 if the this is greater and -1 if the given one is greater
+     */
+    Long.prototype.compare = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        if (this.eq(other))
+            return 0;
+        var thisNeg = this.isNegative(), otherNeg = other.isNegative();
+        if (thisNeg && !otherNeg)
+            return -1;
+        if (!thisNeg && otherNeg)
+            return 1;
+        // At this point the sign bits are the same
+        if (!this.unsigned)
+            return this.sub(other).isNegative() ? -1 : 1;
+        // Both are positive if at least one is unsigned
+        return other.high >>> 0 > this.high >>> 0 ||
+            (other.high === this.high && other.low >>> 0 > this.low >>> 0)
+            ? -1
+            : 1;
+    };
+    /** This is an alias of {@link Long.compare} */
+    Long.prototype.comp = function (other) {
+        return this.compare(other);
+    };
+    /**
+     * Returns this Long divided by the specified. The result is signed if this Long is signed or unsigned if this Long is unsigned.
+     * @returns Quotient
+     */
+    Long.prototype.divide = function (divisor) {
+        if (!Long.isLong(divisor))
+            divisor = Long.fromValue(divisor);
+        if (divisor.isZero())
+            throw Error('division by zero');
+        // use wasm support if present
+        if (wasm) {
+            // guard against signed division overflow: the largest
+            // negative number / -1 would be 1 larger than the largest
+            // positive number, due to two's complement.
+            if (!this.unsigned &&
+                this.high === -0x80000000 &&
+                divisor.low === -1 &&
+                divisor.high === -1) {
+                // be consistent with non-wasm code path
+                return this;
+            }
+            var low = (this.unsigned ? wasm.div_u : wasm.div_s)(this.low, this.high, divisor.low, divisor.high);
+            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+        }
+        if (this.isZero())
+            return this.unsigned ? Long.UZERO : Long.ZERO;
+        var approx, rem, res;
+        if (!this.unsigned) {
+            // This section is only relevant for signed longs and is derived from the
+            // closure library as a whole.
+            if (this.eq(Long.MIN_VALUE)) {
+                if (divisor.eq(Long.ONE) || divisor.eq(Long.NEG_ONE))
+                    return Long.MIN_VALUE;
+                // recall that -MIN_VALUE == MIN_VALUE
+                else if (divisor.eq(Long.MIN_VALUE))
+                    return Long.ONE;
+                else {
+                    // At this point, we have |other| >= 2, so |this/other| < |MIN_VALUE|.
+                    var halfThis = this.shr(1);
+                    approx = halfThis.div(divisor).shl(1);
+                    if (approx.eq(Long.ZERO)) {
+                        return divisor.isNegative() ? Long.ONE : Long.NEG_ONE;
+                    }
+                    else {
+                        rem = this.sub(divisor.mul(approx));
+                        res = approx.add(rem.div(divisor));
+                        return res;
+                    }
+                }
+            }
+            else if (divisor.eq(Long.MIN_VALUE))
+                return this.unsigned ? Long.UZERO : Long.ZERO;
+            if (this.isNegative()) {
+                if (divisor.isNegative())
+                    return this.neg().div(divisor.neg());
+                return this.neg().div(divisor).neg();
+            }
+            else if (divisor.isNegative())
+                return this.div(divisor.neg()).neg();
+            res = Long.ZERO;
+        }
+        else {
+            // The algorithm below has not been made for unsigned longs. It's therefore
+            // required to take special care of the MSB prior to running it.
+            if (!divisor.unsigned)
+                divisor = divisor.toUnsigned();
+            if (divisor.gt(this))
+                return Long.UZERO;
+            if (divisor.gt(this.shru(1)))
+                // 15 >>> 1 = 7 ; with divisor = 8 ; true
+                return Long.UONE;
+            res = Long.UZERO;
+        }
+        // Repeat the following until the remainder is less than other:  find a
+        // floating-point that approximates remainder / other *from below*, add this
+        // into the result, and subtract it from the remainder.  It is critical that
+        // the approximate value is less than or equal to the real value so that the
+        // remainder never becomes negative.
+        // eslint-disable-next-line @typescript-eslint/no-this-alias
+        rem = this;
+        while (rem.gte(divisor)) {
+            // Approximate the result of division. This may be a little greater or
+            // smaller than the actual value.
+            approx = Math.max(1, Math.floor(rem.toNumber() / divisor.toNumber()));
+            // We will tweak the approximate result by changing it in the 48-th digit or
+            // the smallest non-fractional digit, whichever is larger.
+            var log2 = Math.ceil(Math.log(approx) / Math.LN2);
+            var delta = log2 <= 48 ? 1 : Math.pow(2, log2 - 48);
+            // Decrease the approximation until it is smaller than the remainder.  Note
+            // that if it is too large, the product overflows and is negative.
+            var approxRes = Long.fromNumber(approx);
+            var approxRem = approxRes.mul(divisor);
+            while (approxRem.isNegative() || approxRem.gt(rem)) {
+                approx -= delta;
+                approxRes = Long.fromNumber(approx, this.unsigned);
+                approxRem = approxRes.mul(divisor);
+            }
+            // We know the answer can't be zero... and actually, zero would cause
+            // infinite recursion since we would make no progress.
+            if (approxRes.isZero())
+                approxRes = Long.ONE;
+            res = res.add(approxRes);
+            rem = rem.sub(approxRem);
+        }
+        return res;
+    };
+    /**This is an alias of {@link Long.divide} */
+    Long.prototype.div = function (divisor) {
+        return this.divide(divisor);
+    };
+    /**
+     * Tests if this Long's value equals the specified's.
+     * @param other - Other value
+     */
+    Long.prototype.equals = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        if (this.unsigned !== other.unsigned && this.high >>> 31 === 1 && other.high >>> 31 === 1)
+            return false;
+        return this.high === other.high && this.low === other.low;
+    };
+    /** This is an alias of {@link Long.equals} */
+    Long.prototype.eq = function (other) {
+        return this.equals(other);
+    };
+    /** Gets the high 32 bits as a signed integer. */
+    Long.prototype.getHighBits = function () {
+        return this.high;
+    };
+    /** Gets the high 32 bits as an unsigned integer. */
+    Long.prototype.getHighBitsUnsigned = function () {
+        return this.high >>> 0;
+    };
+    /** Gets the low 32 bits as a signed integer. */
+    Long.prototype.getLowBits = function () {
+        return this.low;
+    };
+    /** Gets the low 32 bits as an unsigned integer. */
+    Long.prototype.getLowBitsUnsigned = function () {
+        return this.low >>> 0;
+    };
+    /** Gets the number of bits needed to represent the absolute value of this Long. */
+    Long.prototype.getNumBitsAbs = function () {
+        if (this.isNegative()) {
+            // Unsigned Longs are never negative
+            return this.eq(Long.MIN_VALUE) ? 64 : this.neg().getNumBitsAbs();
+        }
+        var val = this.high !== 0 ? this.high : this.low;
+        var bit;
+        for (bit = 31; bit > 0; bit--)
+            if ((val & (1 << bit)) !== 0)
+                break;
+        return this.high !== 0 ? bit + 33 : bit + 1;
+    };
+    /** Tests if this Long's value is greater than the specified's. */
+    Long.prototype.greaterThan = function (other) {
+        return this.comp(other) > 0;
+    };
+    /** This is an alias of {@link Long.greaterThan} */
+    Long.prototype.gt = function (other) {
+        return this.greaterThan(other);
+    };
+    /** Tests if this Long's value is greater than or equal the specified's. */
+    Long.prototype.greaterThanOrEqual = function (other) {
+        return this.comp(other) >= 0;
+    };
+    /** This is an alias of {@link Long.greaterThanOrEqual} */
+    Long.prototype.gte = function (other) {
+        return this.greaterThanOrEqual(other);
+    };
+    /** This is an alias of {@link Long.greaterThanOrEqual} */
+    Long.prototype.ge = function (other) {
+        return this.greaterThanOrEqual(other);
+    };
+    /** Tests if this Long's value is even. */
+    Long.prototype.isEven = function () {
+        return (this.low & 1) === 0;
+    };
+    /** Tests if this Long's value is negative. */
+    Long.prototype.isNegative = function () {
+        return !this.unsigned && this.high < 0;
+    };
+    /** Tests if this Long's value is odd. */
+    Long.prototype.isOdd = function () {
+        return (this.low & 1) === 1;
+    };
+    /** Tests if this Long's value is positive. */
+    Long.prototype.isPositive = function () {
+        return this.unsigned || this.high >= 0;
+    };
+    /** Tests if this Long's value equals zero. */
+    Long.prototype.isZero = function () {
+        return this.high === 0 && this.low === 0;
+    };
+    /** Tests if this Long's value is less than the specified's. */
+    Long.prototype.lessThan = function (other) {
+        return this.comp(other) < 0;
+    };
+    /** This is an alias of {@link Long#lessThan}. */
+    Long.prototype.lt = function (other) {
+        return this.lessThan(other);
+    };
+    /** Tests if this Long's value is less than or equal the specified's. */
+    Long.prototype.lessThanOrEqual = function (other) {
+        return this.comp(other) <= 0;
+    };
+    /** This is an alias of {@link Long.lessThanOrEqual} */
+    Long.prototype.lte = function (other) {
+        return this.lessThanOrEqual(other);
+    };
+    /** Returns this Long modulo the specified. */
+    Long.prototype.modulo = function (divisor) {
+        if (!Long.isLong(divisor))
+            divisor = Long.fromValue(divisor);
+        // use wasm support if present
+        if (wasm) {
+            var low = (this.unsigned ? wasm.rem_u : wasm.rem_s)(this.low, this.high, divisor.low, divisor.high);
+            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+        }
+        return this.sub(this.div(divisor).mul(divisor));
+    };
+    /** This is an alias of {@link Long.modulo} */
+    Long.prototype.mod = function (divisor) {
+        return this.modulo(divisor);
+    };
+    /** This is an alias of {@link Long.modulo} */
+    Long.prototype.rem = function (divisor) {
+        return this.modulo(divisor);
+    };
+    /**
+     * Returns the product of this and the specified Long.
+     * @param multiplier - Multiplier
+     * @returns Product
+     */
+    Long.prototype.multiply = function (multiplier) {
+        if (this.isZero())
+            return Long.ZERO;
+        if (!Long.isLong(multiplier))
+            multiplier = Long.fromValue(multiplier);
+        // use wasm support if present
+        if (wasm) {
+            var low = wasm.mul(this.low, this.high, multiplier.low, multiplier.high);
+            return Long.fromBits(low, wasm.get_high(), this.unsigned);
+        }
+        if (multiplier.isZero())
+            return Long.ZERO;
+        if (this.eq(Long.MIN_VALUE))
+            return multiplier.isOdd() ? Long.MIN_VALUE : Long.ZERO;
+        if (multiplier.eq(Long.MIN_VALUE))
+            return this.isOdd() ? Long.MIN_VALUE : Long.ZERO;
+        if (this.isNegative()) {
+            if (multiplier.isNegative())
+                return this.neg().mul(multiplier.neg());
+            else
+                return this.neg().mul(multiplier).neg();
+        }
+        else if (multiplier.isNegative())
+            return this.mul(multiplier.neg()).neg();
+        // If both longs are small, use float multiplication
+        if (this.lt(Long.TWO_PWR_24) && multiplier.lt(Long.TWO_PWR_24))
+            return Long.fromNumber(this.toNumber() * multiplier.toNumber(), this.unsigned);
+        // Divide each long into 4 chunks of 16 bits, and then add up 4x4 products.
+        // We can skip products that would overflow.
+        var a48 = this.high >>> 16;
+        var a32 = this.high & 0xffff;
+        var a16 = this.low >>> 16;
+        var a00 = this.low & 0xffff;
+        var b48 = multiplier.high >>> 16;
+        var b32 = multiplier.high & 0xffff;
+        var b16 = multiplier.low >>> 16;
+        var b00 = multiplier.low & 0xffff;
+        var c48 = 0, c32 = 0, c16 = 0, c00 = 0;
+        c00 += a00 * b00;
+        c16 += c00 >>> 16;
+        c00 &= 0xffff;
+        c16 += a16 * b00;
+        c32 += c16 >>> 16;
+        c16 &= 0xffff;
+        c16 += a00 * b16;
+        c32 += c16 >>> 16;
+        c16 &= 0xffff;
+        c32 += a32 * b00;
+        c48 += c32 >>> 16;
+        c32 &= 0xffff;
+        c32 += a16 * b16;
+        c48 += c32 >>> 16;
+        c32 &= 0xffff;
+        c32 += a00 * b32;
+        c48 += c32 >>> 16;
+        c32 &= 0xffff;
+        c48 += a48 * b00 + a32 * b16 + a16 * b32 + a00 * b48;
+        c48 &= 0xffff;
+        return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+    };
+    /** This is an alias of {@link Long.multiply} */
+    Long.prototype.mul = function (multiplier) {
+        return this.multiply(multiplier);
+    };
+    /** Returns the Negation of this Long's value. */
+    Long.prototype.negate = function () {
+        if (!this.unsigned && this.eq(Long.MIN_VALUE))
+            return Long.MIN_VALUE;
+        return this.not().add(Long.ONE);
+    };
+    /** This is an alias of {@link Long.negate} */
+    Long.prototype.neg = function () {
+        return this.negate();
+    };
+    /** Returns the bitwise NOT of this Long. */
+    Long.prototype.not = function () {
+        return Long.fromBits(~this.low, ~this.high, this.unsigned);
+    };
+    /** Tests if this Long's value differs from the specified's. */
+    Long.prototype.notEquals = function (other) {
+        return !this.equals(other);
+    };
+    /** This is an alias of {@link Long.notEquals} */
+    Long.prototype.neq = function (other) {
+        return this.notEquals(other);
+    };
+    /** This is an alias of {@link Long.notEquals} */
+    Long.prototype.ne = function (other) {
+        return this.notEquals(other);
+    };
+    /**
+     * Returns the bitwise OR of this Long and the specified.
+     */
+    Long.prototype.or = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        return Long.fromBits(this.low | other.low, this.high | other.high, this.unsigned);
+    };
+    /**
+     * Returns this Long with bits shifted to the left by the given amount.
+     * @param numBits - Number of bits
+     * @returns Shifted Long
+     */
+    Long.prototype.shiftLeft = function (numBits) {
+        if (Long.isLong(numBits))
+            numBits = numBits.toInt();
+        if ((numBits &= 63) === 0)
+            return this;
+        else if (numBits < 32)
+            return Long.fromBits(this.low << numBits, (this.high << numBits) | (this.low >>> (32 - numBits)), this.unsigned);
+        else
+            return Long.fromBits(0, this.low << (numBits - 32), this.unsigned);
+    };
+    /** This is an alias of {@link Long.shiftLeft} */
+    Long.prototype.shl = function (numBits) {
+        return this.shiftLeft(numBits);
+    };
+    /**
+     * Returns this Long with bits arithmetically shifted to the right by the given amount.
+     * @param numBits - Number of bits
+     * @returns Shifted Long
+     */
+    Long.prototype.shiftRight = function (numBits) {
+        if (Long.isLong(numBits))
+            numBits = numBits.toInt();
+        if ((numBits &= 63) === 0)
+            return this;
+        else if (numBits < 32)
+            return Long.fromBits((this.low >>> numBits) | (this.high << (32 - numBits)), this.high >> numBits, this.unsigned);
+        else
+            return Long.fromBits(this.high >> (numBits - 32), this.high >= 0 ? 0 : -1, this.unsigned);
+    };
+    /** This is an alias of {@link Long.shiftRight} */
+    Long.prototype.shr = function (numBits) {
+        return this.shiftRight(numBits);
+    };
+    /**
+     * Returns this Long with bits logically shifted to the right by the given amount.
+     * @param numBits - Number of bits
+     * @returns Shifted Long
+     */
+    Long.prototype.shiftRightUnsigned = function (numBits) {
+        if (Long.isLong(numBits))
+            numBits = numBits.toInt();
+        numBits &= 63;
+        if (numBits === 0)
+            return this;
+        else {
+            var high = this.high;
+            if (numBits < 32) {
+                var low = this.low;
+                return Long.fromBits((low >>> numBits) | (high << (32 - numBits)), high >>> numBits, this.unsigned);
+            }
+            else if (numBits === 32)
+                return Long.fromBits(high, 0, this.unsigned);
+            else
+                return Long.fromBits(high >>> (numBits - 32), 0, this.unsigned);
+        }
+    };
+    /** This is an alias of {@link Long.shiftRightUnsigned} */
+    Long.prototype.shr_u = function (numBits) {
+        return this.shiftRightUnsigned(numBits);
+    };
+    /** This is an alias of {@link Long.shiftRightUnsigned} */
+    Long.prototype.shru = function (numBits) {
+        return this.shiftRightUnsigned(numBits);
+    };
+    /**
+     * Returns the difference of this and the specified Long.
+     * @param subtrahend - Subtrahend
+     * @returns Difference
+     */
+    Long.prototype.subtract = function (subtrahend) {
+        if (!Long.isLong(subtrahend))
+            subtrahend = Long.fromValue(subtrahend);
+        return this.add(subtrahend.neg());
+    };
+    /** This is an alias of {@link Long.subtract} */
+    Long.prototype.sub = function (subtrahend) {
+        return this.subtract(subtrahend);
+    };
+    /** Converts the Long to a 32 bit integer, assuming it is a 32 bit integer. */
+    Long.prototype.toInt = function () {
+        return this.unsigned ? this.low >>> 0 : this.low;
+    };
+    /** Converts the Long to a the nearest floating-point representation of this value (double, 53 bit mantissa). */
+    Long.prototype.toNumber = function () {
+        if (this.unsigned)
+            return (this.high >>> 0) * TWO_PWR_32_DBL + (this.low >>> 0);
+        return this.high * TWO_PWR_32_DBL + (this.low >>> 0);
+    };
+    /** Converts the Long to a BigInt (arbitrary precision). */
+    Long.prototype.toBigInt = function () {
+        return BigInt(this.toString());
+    };
+    /**
+     * Converts this Long to its byte representation.
+     * @param le - Whether little or big endian, defaults to big endian
+     * @returns Byte representation
+     */
+    Long.prototype.toBytes = function (le) {
+        return le ? this.toBytesLE() : this.toBytesBE();
+    };
+    /**
+     * Converts this Long to its little endian byte representation.
+     * @returns Little endian byte representation
+     */
+    Long.prototype.toBytesLE = function () {
+        var hi = this.high, lo = this.low;
+        return [
+            lo & 0xff,
+            (lo >>> 8) & 0xff,
+            (lo >>> 16) & 0xff,
+            lo >>> 24,
+            hi & 0xff,
+            (hi >>> 8) & 0xff,
+            (hi >>> 16) & 0xff,
+            hi >>> 24
+        ];
+    };
+    /**
+     * Converts this Long to its big endian byte representation.
+     * @returns Big endian byte representation
+     */
+    Long.prototype.toBytesBE = function () {
+        var hi = this.high, lo = this.low;
+        return [
+            hi >>> 24,
+            (hi >>> 16) & 0xff,
+            (hi >>> 8) & 0xff,
+            hi & 0xff,
+            lo >>> 24,
+            (lo >>> 16) & 0xff,
+            (lo >>> 8) & 0xff,
+            lo & 0xff
+        ];
+    };
+    /**
+     * Converts this Long to signed.
+     */
+    Long.prototype.toSigned = function () {
+        if (!this.unsigned)
+            return this;
+        return Long.fromBits(this.low, this.high, false);
+    };
+    /**
+     * Converts the Long to a string written in the specified radix.
+     * @param radix - Radix (2-36), defaults to 10
+     * @throws RangeError If `radix` is out of range
+     */
+    Long.prototype.toString = function (radix) {
+        radix = radix || 10;
+        if (radix < 2 || 36 < radix)
+            throw RangeError('radix');
+        if (this.isZero())
+            return '0';
+        if (this.isNegative()) {
+            // Unsigned Longs are never negative
+            if (this.eq(Long.MIN_VALUE)) {
+                // We need to change the Long value before it can be negated, so we remove
+                // the bottom-most digit in this base and then recurse to do the rest.
+                var radixLong = Long.fromNumber(radix), div = this.div(radixLong), rem1 = div.mul(radixLong).sub(this);
+                return div.toString(radix) + rem1.toInt().toString(radix);
+            }
+            else
+                return '-' + this.neg().toString(radix);
+        }
+        // Do several (6) digits each time through the loop, so as to
+        // minimize the calls to the very expensive emulated div.
+        var radixToPower = Long.fromNumber(Math.pow(radix, 6), this.unsigned);
+        // eslint-disable-next-line @typescript-eslint/no-this-alias
+        var rem = this;
+        var result = '';
+        // eslint-disable-next-line no-constant-condition
+        while (true) {
+            var remDiv = rem.div(radixToPower);
+            var intval = rem.sub(remDiv.mul(radixToPower)).toInt() >>> 0;
+            var digits = intval.toString(radix);
+            rem = remDiv;
+            if (rem.isZero()) {
+                return digits + result;
+            }
+            else {
+                while (digits.length < 6)
+                    digits = '0' + digits;
+                result = '' + digits + result;
+            }
+        }
+    };
+    /** Converts this Long to unsigned. */
+    Long.prototype.toUnsigned = function () {
+        if (this.unsigned)
+            return this;
+        return Long.fromBits(this.low, this.high, true);
+    };
+    /** Returns the bitwise XOR of this Long and the given one. */
+    Long.prototype.xor = function (other) {
+        if (!Long.isLong(other))
+            other = Long.fromValue(other);
+        return Long.fromBits(this.low ^ other.low, this.high ^ other.high, this.unsigned);
+    };
+    /** This is an alias of {@link Long.isZero} */
+    Long.prototype.eqz = function () {
+        return this.isZero();
+    };
+    /** This is an alias of {@link Long.lessThanOrEqual} */
+    Long.prototype.le = function (other) {
+        return this.lessThanOrEqual(other);
+    };
+    /*
+     ****************************************************************
+     *                  BSON SPECIFIC ADDITIONS                     *
+     ****************************************************************
+     */
+    Long.prototype.toExtendedJSON = function (options) {
+        if (options && options.relaxed)
+            return this.toNumber();
+        return { $numberLong: this.toString() };
+    };
+    Long.fromExtendedJSON = function (doc, options) {
+        var result = Long.fromString(doc.$numberLong);
+        return options && options.relaxed ? result.toNumber() : result;
+    };
+    /** @internal */
+    Long.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Long.prototype.inspect = function () {
+        return "new Long(\"".concat(this.toString(), "\"").concat(this.unsigned ? ', true' : '', ")");
+    };
+    Long.TWO_PWR_24 = Long.fromInt(TWO_PWR_24_DBL);
+    /** Maximum unsigned value. */
+    Long.MAX_UNSIGNED_VALUE = Long.fromBits(0xffffffff | 0, 0xffffffff | 0, true);
+    /** Signed zero */
+    Long.ZERO = Long.fromInt(0);
+    /** Unsigned zero. */
+    Long.UZERO = Long.fromInt(0, true);
+    /** Signed one. */
+    Long.ONE = Long.fromInt(1);
+    /** Unsigned one. */
+    Long.UONE = Long.fromInt(1, true);
+    /** Signed negative one. */
+    Long.NEG_ONE = Long.fromInt(-1);
+    /** Maximum signed value. */
+    Long.MAX_VALUE = Long.fromBits(0xffffffff | 0, 0x7fffffff | 0, false);
+    /** Minimum signed value. */
+    Long.MIN_VALUE = Long.fromBits(0, 0x80000000 | 0, false);
+    return Long;
+}());
+exports.Long = Long;
+Object.defineProperty(Long.prototype, '__isLong__', { value: true });
+Object.defineProperty(Long.prototype, '_bsontype', { value: 'Long' });
+//# sourceMappingURL=long.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/long.js.map b/node_modules/bson/lib/long.js.map
new file mode 100644
index 000000000..c191742c1
--- /dev/null
+++ b/node_modules/bson/lib/long.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/bson/lib/map.js b/node_modules/bson/lib/map.js
new file mode 100644
index 000000000..32334f590
--- /dev/null
+++ b/node_modules/bson/lib/map.js
@@ -0,0 +1,123 @@
+"use strict";
+/* eslint-disable @typescript-eslint/no-explicit-any */
+// We have an ES6 Map available, return the native instance
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Map = void 0;
+var global_1 = require("./utils/global");
+/** @public */
+var bsonMap;
+exports.Map = bsonMap;
+var bsonGlobal = (0, global_1.getGlobal)();
+if (bsonGlobal.Map) {
+    exports.Map = bsonMap = bsonGlobal.Map;
+}
+else {
+    // We will return a polyfill
+    exports.Map = bsonMap = /** @class */ (function () {
+        function Map(array) {
+            if (array === void 0) { array = []; }
+            this._keys = [];
+            this._values = {};
+            for (var i = 0; i < array.length; i++) {
+                if (array[i] == null)
+                    continue; // skip null and undefined
+                var entry = array[i];
+                var key = entry[0];
+                var value = entry[1];
+                // Add the key to the list of keys in order
+                this._keys.push(key);
+                // Add the key and value to the values dictionary with a point
+                // to the location in the ordered keys list
+                this._values[key] = { v: value, i: this._keys.length - 1 };
+            }
+        }
+        Map.prototype.clear = function () {
+            this._keys = [];
+            this._values = {};
+        };
+        Map.prototype.delete = function (key) {
+            var value = this._values[key];
+            if (value == null)
+                return false;
+            // Delete entry
+            delete this._values[key];
+            // Remove the key from the ordered keys list
+            this._keys.splice(value.i, 1);
+            return true;
+        };
+        Map.prototype.entries = function () {
+            var _this = this;
+            var index = 0;
+            return {
+                next: function () {
+                    var key = _this._keys[index++];
+                    return {
+                        value: key !== undefined ? [key, _this._values[key].v] : undefined,
+                        done: key !== undefined ? false : true
+                    };
+                }
+            };
+        };
+        Map.prototype.forEach = function (callback, self) {
+            self = self || this;
+            for (var i = 0; i < this._keys.length; i++) {
+                var key = this._keys[i];
+                // Call the forEach callback
+                callback.call(self, this._values[key].v, key, self);
+            }
+        };
+        Map.prototype.get = function (key) {
+            return this._values[key] ? this._values[key].v : undefined;
+        };
+        Map.prototype.has = function (key) {
+            return this._values[key] != null;
+        };
+        Map.prototype.keys = function () {
+            var _this = this;
+            var index = 0;
+            return {
+                next: function () {
+                    var key = _this._keys[index++];
+                    return {
+                        value: key !== undefined ? key : undefined,
+                        done: key !== undefined ? false : true
+                    };
+                }
+            };
+        };
+        Map.prototype.set = function (key, value) {
+            if (this._values[key]) {
+                this._values[key].v = value;
+                return this;
+            }
+            // Add the key to the list of keys in order
+            this._keys.push(key);
+            // Add the key and value to the values dictionary with a point
+            // to the location in the ordered keys list
+            this._values[key] = { v: value, i: this._keys.length - 1 };
+            return this;
+        };
+        Map.prototype.values = function () {
+            var _this = this;
+            var index = 0;
+            return {
+                next: function () {
+                    var key = _this._keys[index++];
+                    return {
+                        value: key !== undefined ? _this._values[key].v : undefined,
+                        done: key !== undefined ? false : true
+                    };
+                }
+            };
+        };
+        Object.defineProperty(Map.prototype, "size", {
+            get: function () {
+                return this._keys.length;
+            },
+            enumerable: false,
+            configurable: true
+        });
+        return Map;
+    }());
+}
+//# sourceMappingURL=map.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/map.js.map b/node_modules/bson/lib/map.js.map
new file mode 100644
index 000000000..944dcf6df
--- /dev/null
+++ b/node_modules/bson/lib/map.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"map.js","sourceRoot":"","sources":["../src/map.ts"],"names":[],"mappings":";AAAA,uDAAuD;AACvD,2DAA2D;;;AAE3D,yCAA2C;AAE3C,cAAc;AACd,IAAI,OAAuB,CAAC;AAgHR,sBAAG;AA9GvB,IAAM,UAAU,GAAG,IAAA,kBAAS,GAA4B,CAAC;AACzD,IAAI,UAAU,CAAC,GAAG,EAAE;IAClB,cAAA,OAAO,GAAG,UAAU,CAAC,GAAG,CAAC;CAC1B;KAAM;IACL,4BAA4B;IAC5B,cAAA,OAAO,GAAG;QAGR,aAAY,KAA2B;YAA3B,sBAAA,EAAA,UAA2B;YACrC,IAAI,CAAC,KAAK,GAAG,EAAE,CAAC;YAChB,IAAI,CAAC,OAAO,GAAG,EAAE,CAAC;YAElB,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,KAAK,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;gBACrC,IAAI,KAAK,CAAC,CAAC,CAAC,IAAI,IAAI;oBAAE,SAAS,CAAC,0BAA0B;gBAC1D,IAAM,KAAK,GAAG,KAAK,CAAC,CAAC,CAAC,CAAC;gBACvB,IAAM,GAAG,GAAG,KAAK,CAAC,CAAC,CAAC,CAAC;gBACrB,IAAM,KAAK,GAAG,KAAK,CAAC,CAAC,CAAC,CAAC;gBACvB,2CAA2C;gBAC3C,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;gBACrB,8DAA8D;gBAC9D,2CAA2C;gBAC3C,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,GAAG,EAAE,CAAC,EAAE,KAAK,EAAE,CAAC,EAAE,IAAI,CAAC,KAAK,CAAC,MAAM,GAAG,CAAC,EAAE,CAAC;aAC5D;QACH,CAAC;QACD,mBAAK,GAAL;YACE,IAAI,CAAC,KAAK,GAAG,EAAE,CAAC;YAChB,IAAI,CAAC,OAAO,GAAG,EAAE,CAAC;QACpB,CAAC;QACD,oBAAM,GAAN,UAAO,GAAW;YAChB,IAAM,KAAK,GAAG,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC;YAChC,IAAI,KAAK,IAAI,IAAI;gBAAE,OAAO,KAAK,CAAC;YAChC,eAAe;YACf,OAAO,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC;YACzB,4CAA4C;YAC5C,IAAI,CAAC,KAAK,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC;YAC9B,OAAO,IAAI,CAAC;QACd,CAAC;QACD,qBAAO,GAAP;YAAA,iBAYC;YAXC,IAAI,KAAK,GAAG,CAAC,CAAC;YAEd,OAAO;gBACL,IAAI,EAAE;oBACJ,IAAM,GAAG,GAAG,KAAI,CAAC,KAAK,CAAC,KAAK,EAAE,CAAC,CAAC;oBAChC,OAAO;wBACL,KAAK,EAAE,GAAG,KAAK,SAAS,CAAC,CAAC,CAAC,CAAC,GAAG,EAAE,KAAI,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,SAAS;wBACjE,IAAI,EAAE,GAAG,KAAK,SAAS,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,IAAI;qBACvC,CAAC;gBACJ,CAAC;aACF,CAAC;QACJ,CAAC;QACD,qBAAO,GAAP,UAAQ,QAAmE,EAAE,IAAW;YACtF,IAAI,GAAG,IAAI,IAAI,IAAI,CAAC;YAEpB,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;gBAC1C,IAAM,GAAG,GAAG,IAAI,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;gBAC1B,4BAA4B;gBAC5B,QAAQ,CAAC,IAAI,CAAC,IAAI,EAAE,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,EAAE,GAAG,EAAE,IAAI,CAAC,CAAC;aACrD;QACH,CAAC;QACD,iBAAG,GAAH,UAAI,GAAW;YACb,OAAO,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,SAAS,CAAC;QAC7D,CAAC;QACD,iBAAG,GAAH,UAAI,GAAW;YACb,OAAO,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,IAAI,IAAI,CAAC;QACnC,CAAC;QACD,kBAAI,GAAJ;YAAA,iBAYC;YAXC,IAAI,KAAK,GAAG,CAAC,CAAC;YAEd,OAAO;gBACL,IAAI,EAAE;oBACJ,IAAM,GAAG,GAAG,KAAI,CAAC,KAAK,CAAC,KAAK,EAAE,CAAC,CAAC;oBAChC,OAAO;wBACL,KAAK,EAAE,GAAG,KAAK,SAAS,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,SAAS;wBAC1C,IAAI,EAAE,GAAG,KAAK,SAAS,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,IAAI;qBACvC,CAAC;gBACJ,CAAC;aACF,CAAC;QACJ,CAAC;QACD,iBAAG,GAAH,UAAI,GAAW,EAAE,KAAU;YACzB,IAAI,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,EAAE;gBACrB,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,GAAG,KAAK,CAAC;gBAC5B,OAAO,IAAI,CAAC;aACb;YAED,2CAA2C;YAC3C,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;YACrB,8DAA8D;YAC9D,2CAA2C;YAC3C,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,GAAG,EAAE,CAAC,EAAE,KAAK,EAAE,CAAC,EAAE,IAAI,CAAC,KAAK,CAAC,MAAM,GAAG,CAAC,EAAE,CAAC;YAC3D,OAAO,IAAI,CAAC;QACd,CAAC;QACD,oBAAM,GAAN;YAAA,iBAYC;YAXC,IAAI,KAAK,GAAG,CAAC,CAAC;YAEd,OAAO;gBACL,IAAI,EAAE;oBACJ,IAAM,GAAG,GAAG,KAAI,CAAC,KAAK,CAAC,KAAK,EAAE,CAAC,CAAC;oBAChC,OAAO;wBACL,KAAK,EAAE,GAAG,KAAK,SAAS,CAAC,CAAC,CAAC,KAAI,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,SAAS;wBAC1D,IAAI,EAAE,GAAG,KAAK,SAAS,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,IAAI;qBACvC,CAAC;gBACJ,CAAC;aACF,CAAC;QACJ,CAAC;QACD,sBAAI,qBAAI;iBAAR;gBACE,OAAO,IAAI,CAAC,KAAK,CAAC,MAAM,CAAC;YAC3B,CAAC;;;WAAA;QACH,UAAC;IAAD,CAAC,AAtGS,GAsGoB,CAAC;CAChC"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/max_key.js b/node_modules/bson/lib/max_key.js
new file mode 100644
index 000000000..f9fd37603
--- /dev/null
+++ b/node_modules/bson/lib/max_key.js
@@ -0,0 +1,33 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MaxKey = void 0;
+/**
+ * A class representation of the BSON MaxKey type.
+ * @public
+ * @category BSONType
+ */
+var MaxKey = /** @class */ (function () {
+    function MaxKey() {
+        if (!(this instanceof MaxKey))
+            return new MaxKey();
+    }
+    /** @internal */
+    MaxKey.prototype.toExtendedJSON = function () {
+        return { $maxKey: 1 };
+    };
+    /** @internal */
+    MaxKey.fromExtendedJSON = function () {
+        return new MaxKey();
+    };
+    /** @internal */
+    MaxKey.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    MaxKey.prototype.inspect = function () {
+        return 'new MaxKey()';
+    };
+    return MaxKey;
+}());
+exports.MaxKey = MaxKey;
+Object.defineProperty(MaxKey.prototype, '_bsontype', { value: 'MaxKey' });
+//# sourceMappingURL=max_key.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/max_key.js.map b/node_modules/bson/lib/max_key.js.map
new file mode 100644
index 000000000..f85a5900f
--- /dev/null
+++ b/node_modules/bson/lib/max_key.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"max_key.js","sourceRoot":"","sources":["../src/max_key.ts"],"names":[],"mappings":";;;AAKA;;;;GAIG;AACH;IAGE;QACE,IAAI,CAAC,CAAC,IAAI,YAAY,MAAM,CAAC;YAAE,OAAO,IAAI,MAAM,EAAE,CAAC;IACrD,CAAC;IAED,gBAAgB;IAChB,+BAAc,GAAd;QACE,OAAO,EAAE,OAAO,EAAE,CAAC,EAAE,CAAC;IACxB,CAAC;IAED,gBAAgB;IACT,uBAAgB,GAAvB;QACE,OAAO,IAAI,MAAM,EAAE,CAAC;IACtB,CAAC;IAED,gBAAgB;IAChB,iBAAC,MAAM,CAAC,GAAG,CAAC,4BAA4B,CAAC,CAAC,GAA1C;QACE,OAAO,IAAI,CAAC,OAAO,EAAE,CAAC;IACxB,CAAC;IAED,wBAAO,GAAP;QACE,OAAO,cAAc,CAAC;IACxB,CAAC;IACH,aAAC;AAAD,CAAC,AAzBD,IAyBC;AAzBY,wBAAM;AA2BnB,MAAM,CAAC,cAAc,CAAC,MAAM,CAAC,SAAS,EAAE,WAAW,EAAE,EAAE,KAAK,EAAE,QAAQ,EAAE,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/min_key.js b/node_modules/bson/lib/min_key.js
new file mode 100644
index 000000000..c67b3df0b
--- /dev/null
+++ b/node_modules/bson/lib/min_key.js
@@ -0,0 +1,33 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MinKey = void 0;
+/**
+ * A class representation of the BSON MinKey type.
+ * @public
+ * @category BSONType
+ */
+var MinKey = /** @class */ (function () {
+    function MinKey() {
+        if (!(this instanceof MinKey))
+            return new MinKey();
+    }
+    /** @internal */
+    MinKey.prototype.toExtendedJSON = function () {
+        return { $minKey: 1 };
+    };
+    /** @internal */
+    MinKey.fromExtendedJSON = function () {
+        return new MinKey();
+    };
+    /** @internal */
+    MinKey.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    MinKey.prototype.inspect = function () {
+        return 'new MinKey()';
+    };
+    return MinKey;
+}());
+exports.MinKey = MinKey;
+Object.defineProperty(MinKey.prototype, '_bsontype', { value: 'MinKey' });
+//# sourceMappingURL=min_key.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/min_key.js.map b/node_modules/bson/lib/min_key.js.map
new file mode 100644
index 000000000..2d642d17d
--- /dev/null
+++ b/node_modules/bson/lib/min_key.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"min_key.js","sourceRoot":"","sources":["../src/min_key.ts"],"names":[],"mappings":";;;AAKA;;;;GAIG;AACH;IAGE;QACE,IAAI,CAAC,CAAC,IAAI,YAAY,MAAM,CAAC;YAAE,OAAO,IAAI,MAAM,EAAE,CAAC;IACrD,CAAC;IAED,gBAAgB;IAChB,+BAAc,GAAd;QACE,OAAO,EAAE,OAAO,EAAE,CAAC,EAAE,CAAC;IACxB,CAAC;IAED,gBAAgB;IACT,uBAAgB,GAAvB;QACE,OAAO,IAAI,MAAM,EAAE,CAAC;IACtB,CAAC;IAED,gBAAgB;IAChB,iBAAC,MAAM,CAAC,GAAG,CAAC,4BAA4B,CAAC,CAAC,GAA1C;QACE,OAAO,IAAI,CAAC,OAAO,EAAE,CAAC;IACxB,CAAC;IAED,wBAAO,GAAP;QACE,OAAO,cAAc,CAAC;IACxB,CAAC;IACH,aAAC;AAAD,CAAC,AAzBD,IAyBC;AAzBY,wBAAM;AA2BnB,MAAM,CAAC,cAAc,CAAC,MAAM,CAAC,SAAS,EAAE,WAAW,EAAE,EAAE,KAAK,EAAE,QAAQ,EAAE,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/objectid.js b/node_modules/bson/lib/objectid.js
new file mode 100644
index 000000000..287de6e61
--- /dev/null
+++ b/node_modules/bson/lib/objectid.js
@@ -0,0 +1,299 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ObjectId = void 0;
+var buffer_1 = require("buffer");
+var ensure_buffer_1 = require("./ensure_buffer");
+var error_1 = require("./error");
+var utils_1 = require("./parser/utils");
+// Regular expression that checks for hex value
+var checkForHexRegExp = new RegExp('^[0-9a-fA-F]{24}$');
+// Unique sequence for the current process (initialized on first use)
+var PROCESS_UNIQUE = null;
+var kId = Symbol('id');
+/**
+ * A class representation of the BSON ObjectId type.
+ * @public
+ * @category BSONType
+ */
+var ObjectId = /** @class */ (function () {
+    /**
+     * Create an ObjectId type
+     *
+     * @param inputId - Can be a 24 character hex string, 12 byte binary Buffer, or a number.
+     */
+    function ObjectId(inputId) {
+        if (!(this instanceof ObjectId))
+            return new ObjectId(inputId);
+        // workingId is set based on type of input and whether valid id exists for the input
+        var workingId;
+        if (typeof inputId === 'object' && inputId && 'id' in inputId) {
+            if (typeof inputId.id !== 'string' && !ArrayBuffer.isView(inputId.id)) {
+                throw new error_1.BSONTypeError('Argument passed in must have an id that is of type string or Buffer');
+            }
+            if ('toHexString' in inputId && typeof inputId.toHexString === 'function') {
+                workingId = buffer_1.Buffer.from(inputId.toHexString(), 'hex');
+            }
+            else {
+                workingId = inputId.id;
+            }
+        }
+        else {
+            workingId = inputId;
+        }
+        // the following cases use workingId to construct an ObjectId
+        if (workingId == null || typeof workingId === 'number') {
+            // The most common use case (blank id, new objectId instance)
+            // Generate a new id
+            this[kId] = ObjectId.generate(typeof workingId === 'number' ? workingId : undefined);
+        }
+        else if (ArrayBuffer.isView(workingId) && workingId.byteLength === 12) {
+            // If intstanceof matches we can escape calling ensure buffer in Node.js environments
+            this[kId] = workingId instanceof buffer_1.Buffer ? workingId : (0, ensure_buffer_1.ensureBuffer)(workingId);
+        }
+        else if (typeof workingId === 'string') {
+            if (workingId.length === 12) {
+                var bytes = buffer_1.Buffer.from(workingId);
+                if (bytes.byteLength === 12) {
+                    this[kId] = bytes;
+                }
+                else {
+                    throw new error_1.BSONTypeError('Argument passed in must be a string of 12 bytes');
+                }
+            }
+            else if (workingId.length === 24 && checkForHexRegExp.test(workingId)) {
+                this[kId] = buffer_1.Buffer.from(workingId, 'hex');
+            }
+            else {
+                throw new error_1.BSONTypeError('Argument passed in must be a string of 12 bytes or a string of 24 hex characters or an integer');
+            }
+        }
+        else {
+            throw new error_1.BSONTypeError('Argument passed in does not match the accepted types');
+        }
+        // If we are caching the hex string
+        if (ObjectId.cacheHexString) {
+            this.__id = this.id.toString('hex');
+        }
+    }
+    Object.defineProperty(ObjectId.prototype, "id", {
+        /**
+         * The ObjectId bytes
+         * @readonly
+         */
+        get: function () {
+            return this[kId];
+        },
+        set: function (value) {
+            this[kId] = value;
+            if (ObjectId.cacheHexString) {
+                this.__id = value.toString('hex');
+            }
+        },
+        enumerable: false,
+        configurable: true
+    });
+    Object.defineProperty(ObjectId.prototype, "generationTime", {
+        /**
+         * The generation time of this ObjectId instance
+         * @deprecated Please use getTimestamp / createFromTime which returns an int32 epoch
+         */
+        get: function () {
+            return this.id.readInt32BE(0);
+        },
+        set: function (value) {
+            // Encode time into first 4 bytes
+            this.id.writeUInt32BE(value, 0);
+        },
+        enumerable: false,
+        configurable: true
+    });
+    /** Returns the ObjectId id as a 24 character hex string representation */
+    ObjectId.prototype.toHexString = function () {
+        if (ObjectId.cacheHexString && this.__id) {
+            return this.__id;
+        }
+        var hexString = this.id.toString('hex');
+        if (ObjectId.cacheHexString && !this.__id) {
+            this.__id = hexString;
+        }
+        return hexString;
+    };
+    /**
+     * Update the ObjectId index
+     * @privateRemarks
+     * Used in generating new ObjectId's on the driver
+     * @internal
+     */
+    ObjectId.getInc = function () {
+        return (ObjectId.index = (ObjectId.index + 1) % 0xffffff);
+    };
+    /**
+     * Generate a 12 byte id buffer used in ObjectId's
+     *
+     * @param time - pass in a second based timestamp.
+     */
+    ObjectId.generate = function (time) {
+        if ('number' !== typeof time) {
+            time = Math.floor(Date.now() / 1000);
+        }
+        var inc = ObjectId.getInc();
+        var buffer = buffer_1.Buffer.alloc(12);
+        // 4-byte timestamp
+        buffer.writeUInt32BE(time, 0);
+        // set PROCESS_UNIQUE if yet not initialized
+        if (PROCESS_UNIQUE === null) {
+            PROCESS_UNIQUE = (0, utils_1.randomBytes)(5);
+        }
+        // 5-byte process unique
+        buffer[4] = PROCESS_UNIQUE[0];
+        buffer[5] = PROCESS_UNIQUE[1];
+        buffer[6] = PROCESS_UNIQUE[2];
+        buffer[7] = PROCESS_UNIQUE[3];
+        buffer[8] = PROCESS_UNIQUE[4];
+        // 3-byte counter
+        buffer[11] = inc & 0xff;
+        buffer[10] = (inc >> 8) & 0xff;
+        buffer[9] = (inc >> 16) & 0xff;
+        return buffer;
+    };
+    /**
+     * Converts the id into a 24 character hex string for printing
+     *
+     * @param format - The Buffer toString format parameter.
+     */
+    ObjectId.prototype.toString = function (format) {
+        // Is the id a buffer then use the buffer toString method to return the format
+        if (format)
+            return this.id.toString(format);
+        return this.toHexString();
+    };
+    /** Converts to its JSON the 24 character hex string representation. */
+    ObjectId.prototype.toJSON = function () {
+        return this.toHexString();
+    };
+    /**
+     * Compares the equality of this ObjectId with `otherID`.
+     *
+     * @param otherId - ObjectId instance to compare against.
+     */
+    ObjectId.prototype.equals = function (otherId) {
+        if (otherId === undefined || otherId === null) {
+            return false;
+        }
+        if (otherId instanceof ObjectId) {
+            return this[kId][11] === otherId[kId][11] && this[kId].equals(otherId[kId]);
+        }
+        if (typeof otherId === 'string' &&
+            ObjectId.isValid(otherId) &&
+            otherId.length === 12 &&
+            (0, utils_1.isUint8Array)(this.id)) {
+            return otherId === buffer_1.Buffer.prototype.toString.call(this.id, 'latin1');
+        }
+        if (typeof otherId === 'string' && ObjectId.isValid(otherId) && otherId.length === 24) {
+            return otherId.toLowerCase() === this.toHexString();
+        }
+        if (typeof otherId === 'string' && ObjectId.isValid(otherId) && otherId.length === 12) {
+            return buffer_1.Buffer.from(otherId).equals(this.id);
+        }
+        if (typeof otherId === 'object' &&
+            'toHexString' in otherId &&
+            typeof otherId.toHexString === 'function') {
+            var otherIdString = otherId.toHexString();
+            var thisIdString = this.toHexString().toLowerCase();
+            return typeof otherIdString === 'string' && otherIdString.toLowerCase() === thisIdString;
+        }
+        return false;
+    };
+    /** Returns the generation date (accurate up to the second) that this ID was generated. */
+    ObjectId.prototype.getTimestamp = function () {
+        var timestamp = new Date();
+        var time = this.id.readUInt32BE(0);
+        timestamp.setTime(Math.floor(time) * 1000);
+        return timestamp;
+    };
+    /** @internal */
+    ObjectId.createPk = function () {
+        return new ObjectId();
+    };
+    /**
+     * Creates an ObjectId from a second based number, with the rest of the ObjectId zeroed out. Used for comparisons or sorting the ObjectId.
+     *
+     * @param time - an integer number representing a number of seconds.
+     */
+    ObjectId.createFromTime = function (time) {
+        var buffer = buffer_1.Buffer.from([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]);
+        // Encode time into first 4 bytes
+        buffer.writeUInt32BE(time, 0);
+        // Return the new objectId
+        return new ObjectId(buffer);
+    };
+    /**
+     * Creates an ObjectId from a hex string representation of an ObjectId.
+     *
+     * @param hexString - create a ObjectId from a passed in 24 character hexstring.
+     */
+    ObjectId.createFromHexString = function (hexString) {
+        // Throw an error if it's not a valid setup
+        if (typeof hexString === 'undefined' || (hexString != null && hexString.length !== 24)) {
+            throw new error_1.BSONTypeError('Argument passed in must be a single String of 12 bytes or a string of 24 hex characters');
+        }
+        return new ObjectId(buffer_1.Buffer.from(hexString, 'hex'));
+    };
+    /**
+     * Checks if a value is a valid bson ObjectId
+     *
+     * @param id - ObjectId instance to validate.
+     */
+    ObjectId.isValid = function (id) {
+        if (id == null)
+            return false;
+        try {
+            new ObjectId(id);
+            return true;
+        }
+        catch (_a) {
+            return false;
+        }
+    };
+    /** @internal */
+    ObjectId.prototype.toExtendedJSON = function () {
+        if (this.toHexString)
+            return { $oid: this.toHexString() };
+        return { $oid: this.toString('hex') };
+    };
+    /** @internal */
+    ObjectId.fromExtendedJSON = function (doc) {
+        return new ObjectId(doc.$oid);
+    };
+    /**
+     * Converts to a string representation of this Id.
+     *
+     * @returns return the 24 character hex string representation.
+     * @internal
+     */
+    ObjectId.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    ObjectId.prototype.inspect = function () {
+        return "new ObjectId(\"".concat(this.toHexString(), "\")");
+    };
+    /** @internal */
+    ObjectId.index = Math.floor(Math.random() * 0xffffff);
+    return ObjectId;
+}());
+exports.ObjectId = ObjectId;
+// Deprecated methods
+Object.defineProperty(ObjectId.prototype, 'generate', {
+    value: (0, utils_1.deprecate)(function (time) { return ObjectId.generate(time); }, 'Please use the static `ObjectId.generate(time)` instead')
+});
+Object.defineProperty(ObjectId.prototype, 'getInc', {
+    value: (0, utils_1.deprecate)(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+});
+Object.defineProperty(ObjectId.prototype, 'get_inc', {
+    value: (0, utils_1.deprecate)(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+});
+Object.defineProperty(ObjectId, 'get_inc', {
+    value: (0, utils_1.deprecate)(function () { return ObjectId.getInc(); }, 'Please use the static `ObjectId.getInc()` instead')
+});
+Object.defineProperty(ObjectId.prototype, '_bsontype', { value: 'ObjectID' });
+//# sourceMappingURL=objectid.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/objectid.js.map b/node_modules/bson/lib/objectid.js.map
new file mode 100644
index 000000000..3238ada04
--- /dev/null
+++ b/node_modules/bson/lib/objectid.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"objectid.js","sourceRoot":"","sources":["../src/objectid.ts"],"names":[],"mappings":";;;AAAA,iCAAgC;AAChC,iDAA+C;AAC/C,iCAAwC;AACxC,wCAAsE;AAEtE,+CAA+C;AAC/C,IAAM,iBAAiB,GAAG,IAAI,MAAM,CAAC,mBAAmB,CAAC,CAAC;AAE1D,qEAAqE;AACrE,IAAI,cAAc,GAAsB,IAAI,CAAC;AAc7C,IAAM,GAAG,GAAG,MAAM,CAAC,IAAI,CAAC,CAAC;AAEzB;;;;GAIG;AACH;IAaE;;;;OAIG;IACH,kBAAY,OAAyE;QACnF,IAAI,CAAC,CAAC,IAAI,YAAY,QAAQ,CAAC;YAAE,OAAO,IAAI,QAAQ,CAAC,OAAO,CAAC,CAAC;QAE9D,oFAAoF;QACpF,IAAI,SAAS,CAAC;QACd,IAAI,OAAO,OAAO,KAAK,QAAQ,IAAI,OAAO,IAAI,IAAI,IAAI,OAAO,EAAE;YAC7D,IAAI,OAAO,OAAO,CAAC,EAAE,KAAK,QAAQ,IAAI,CAAC,WAAW,CAAC,MAAM,CAAC,OAAO,CAAC,EAAE,CAAC,EAAE;gBACrE,MAAM,IAAI,qBAAa,CACrB,qEAAqE,CACtE,CAAC;aACH;YACD,IAAI,aAAa,IAAI,OAAO,IAAI,OAAO,OAAO,CAAC,WAAW,KAAK,UAAU,EAAE;gBACzE,SAAS,GAAG,eAAM,CAAC,IAAI,CAAC,OAAO,CAAC,WAAW,EAAE,EAAE,KAAK,CAAC,CAAC;aACvD;iBAAM;gBACL,SAAS,GAAG,OAAO,CAAC,EAAE,CAAC;aACxB;SACF;aAAM;YACL,SAAS,GAAG,OAAO,CAAC;SACrB;QAED,6DAA6D;QAC7D,IAAI,SAAS,IAAI,IAAI,IAAI,OAAO,SAAS,KAAK,QAAQ,EAAE;YACtD,6DAA6D;YAC7D,oBAAoB;YACpB,IAAI,CAAC,GAAG,CAAC,GAAG,QAAQ,CAAC,QAAQ,CAAC,OAAO,SAAS,KAAK,QAAQ,CAAC,CAAC,CAAC,SAAS,CAAC,CAAC,CAAC,SAAS,CAAC,CAAC;SACtF;aAAM,IAAI,WAAW,CAAC,MAAM,CAAC,SAAS,CAAC,IAAI,SAAS,CAAC,UAAU,KAAK,EAAE,EAAE;YACvE,qFAAqF;YACrF,IAAI,CAAC,GAAG,CAAC,GAAG,SAAS,YAAY,eAAM,CAAC,CAAC,CAAC,SAAS,CAAC,CAAC,CAAC,IAAA,4BAAY,EAAC,SAAS,CAAC,CAAC;SAC/E;aAAM,IAAI,OAAO,SAAS,KAAK,QAAQ,EAAE;YACxC,IAAI,SAAS,CAAC,MAAM,KAAK,EAAE,EAAE;gBAC3B,IAAM,KAAK,GAAG,eAAM,CAAC,IAAI,CAAC,SAAS,CAAC,CAAC;gBACrC,IAAI,KAAK,CAAC,UAAU,KAAK,EAAE,EAAE;oBAC3B,IAAI,CAAC,GAAG,CAAC,GAAG,KAAK,CAAC;iBACnB;qBAAM;oBACL,MAAM,IAAI,qBAAa,CAAC,iDAAiD,CAAC,CAAC;iBAC5E;aACF;iBAAM,IAAI,SAAS,CAAC,MAAM,KAAK,EAAE,IAAI,iBAAiB,CAAC,IAAI,CAAC,SAAS,CAAC,EAAE;gBACvE,IAAI,CAAC,GAAG,CAAC,GAAG,eAAM,CAAC,IAAI,CAAC,SAAS,EAAE,KAAK,CAAC,CAAC;aAC3C;iBAAM;gBACL,MAAM,IAAI,qBAAa,CACrB,gGAAgG,CACjG,CAAC;aACH;SACF;aAAM;YACL,MAAM,IAAI,qBAAa,CAAC,sDAAsD,CAAC,CAAC;SACjF;QACD,mCAAmC;QACnC,IAAI,QAAQ,CAAC,cAAc,EAAE;YAC3B,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC;SACrC;IACH,CAAC;IAMD,sBAAI,wBAAE;QAJN;;;WAGG;aACH;YACE,OAAO,IAAI,CAAC,GAAG,CAAC,CAAC;QACnB,CAAC;aAED,UAAO,KAAa;YAClB,IAAI,CAAC,GAAG,CAAC,GAAG,KAAK,CAAC;YAClB,IAAI,QAAQ,CAAC,cAAc,EAAE;gBAC3B,IAAI,CAAC,IAAI,GAAG,KAAK,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC;aACnC;QACH,CAAC;;;OAPA;IAaD,sBAAI,oCAAc;QAJlB;;;WAGG;aACH;YACE,OAAO,IAAI,CAAC,EAAE,CAAC,WAAW,CAAC,CAAC,CAAC,CAAC;QAChC,CAAC;aAED,UAAmB,KAAa;YAC9B,iCAAiC;YACjC,IAAI,CAAC,EAAE,CAAC,aAAa,CAAC,KAAK,EAAE,CAAC,CAAC,CAAC;QAClC,CAAC;;;OALA;IAOD,0EAA0E;IAC1E,8BAAW,GAAX;QACE,IAAI,QAAQ,CAAC,cAAc,IAAI,IAAI,CAAC,IAAI,EAAE;YACxC,OAAO,IAAI,CAAC,IAAI,CAAC;SAClB;QAED,IAAM,SAAS,GAAG,IAAI,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC;QAE1C,IAAI,QAAQ,CAAC,cAAc,IAAI,CAAC,IAAI,CAAC,IAAI,EAAE;YACzC,IAAI,CAAC,IAAI,GAAG,SAAS,CAAC;SACvB;QAED,OAAO,SAAS,CAAC;IACnB,CAAC;IAED;;;;;OAKG;IACI,eAAM,GAAb;QACE,OAAO,CAAC,QAAQ,CAAC,KAAK,GAAG,CAAC,QAAQ,CAAC,KAAK,GAAG,CAAC,CAAC,GAAG,QAAQ,CAAC,CAAC;IAC5D,CAAC;IAED;;;;OAIG;IACI,iBAAQ,GAAf,UAAgB,IAAa;QAC3B,IAAI,QAAQ,KAAK,OAAO,IAAI,EAAE;YAC5B,IAAI,GAAG,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,GAAG,EAAE,GAAG,IAAI,CAAC,CAAC;SACtC;QAED,IAAM,GAAG,GAAG,QAAQ,CAAC,MAAM,EAAE,CAAC;QAC9B,IAAM,MAAM,GAAG,eAAM,CAAC,KAAK,CAAC,EAAE,CAAC,CAAC;QAEhC,mBAAmB;QACnB,MAAM,CAAC,aAAa,CAAC,IAAI,EAAE,CAAC,CAAC,CAAC;QAE9B,4CAA4C;QAC5C,IAAI,cAAc,KAAK,IAAI,EAAE;YAC3B,cAAc,GAAG,IAAA,mBAAW,EAAC,CAAC,CAAC,CAAC;SACjC;QAED,wBAAwB;QACxB,MAAM,CAAC,CAAC,CAAC,GAAG,cAAc,CAAC,CAAC,CAAC,CAAC;QAC9B,MAAM,CAAC,CAAC,CAAC,GAAG,cAAc,CAAC,CAAC,CAAC,CAAC;QAC9B,MAAM,CAAC,CAAC,CAAC,GAAG,cAAc,CAAC,CAAC,CAAC,CAAC;QAC9B,MAAM,CAAC,CAAC,CAAC,GAAG,cAAc,CAAC,CAAC,CAAC,CAAC;QAC9B,MAAM,CAAC,CAAC,CAAC,GAAG,cAAc,CAAC,CAAC,CAAC,CAAC;QAE9B,iBAAiB;QACjB,MAAM,CAAC,EAAE,CAAC,GAAG,GAAG,GAAG,IAAI,CAAC;QACxB,MAAM,CAAC,EAAE,CAAC,GAAG,CAAC,GAAG,IAAI,CAAC,CAAC,GAAG,IAAI,CAAC;QAC/B,MAAM,CAAC,CAAC,CAAC,GAAG,CAAC,GAAG,IAAI,EAAE,CAAC,GAAG,IAAI,CAAC;QAE/B,OAAO,MAAM,CAAC;IAChB,CAAC;IAED;;;;OAIG;IACH,2BAAQ,GAAR,UAAS,MAAe;QACtB,8EAA8E;QAC9E,IAAI,MAAM;YAAE,OAAO,IAAI,CAAC,EAAE,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC;QAC5C,OAAO,IAAI,CAAC,WAAW,EAAE,CAAC;IAC5B,CAAC;IAED,uEAAuE;IACvE,yBAAM,GAAN;QACE,OAAO,IAAI,CAAC,WAAW,EAAE,CAAC;IAC5B,CAAC;IAED;;;;OAIG;IACH,yBAAM,GAAN,UAAO,OAAyC;QAC9C,IAAI,OAAO,KAAK,SAAS,IAAI,OAAO,KAAK,IAAI,EAAE;YAC7C,OAAO,KAAK,CAAC;SACd;QAED,IAAI,OAAO,YAAY,QAAQ,EAAE;YAC/B,OAAO,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,CAAC,KAAK,OAAO,CAAC,GAAG,CAAC,CAAC,EAAE,CAAC,IAAI,IAAI,CAAC,GAAG,CAAC,CAAC,MAAM,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC;SAC7E;QAED,IACE,OAAO,OAAO,KAAK,QAAQ;YAC3B,QAAQ,CAAC,OAAO,CAAC,OAAO,CAAC;YACzB,OAAO,CAAC,MAAM,KAAK,EAAE;YACrB,IAAA,oBAAY,EAAC,IAAI,CAAC,EAAE,CAAC,EACrB;YACA,OAAO,OAAO,KAAK,eAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,IAAI,CAAC,EAAE,EAAE,QAAQ,CAAC,CAAC;SACtE;QAED,IAAI,OAAO,OAAO,KAAK,QAAQ,IAAI,QAAQ,CAAC,OAAO,CAAC,OAAO,CAAC,IAAI,OAAO,CAAC,MAAM,KAAK,EAAE,EAAE;YACrF,OAAO,OAAO,CAAC,WAAW,EAAE,KAAK,IAAI,CAAC,WAAW,EAAE,CAAC;SACrD;QAED,IAAI,OAAO,OAAO,KAAK,QAAQ,IAAI,QAAQ,CAAC,OAAO,CAAC,OAAO,CAAC,IAAI,OAAO,CAAC,MAAM,KAAK,EAAE,EAAE;YACrF,OAAO,eAAM,CAAC,IAAI,CA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\ No newline at end of file
diff --git a/node_modules/bson/lib/parser/calculate_size.js b/node_modules/bson/lib/parser/calculate_size.js
new file mode 100644
index 000000000..3d11612b6
--- /dev/null
+++ b/node_modules/bson/lib/parser/calculate_size.js
@@ -0,0 +1,194 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.calculateObjectSize = void 0;
+var buffer_1 = require("buffer");
+var binary_1 = require("../binary");
+var constants = require("../constants");
+var utils_1 = require("./utils");
+function calculateObjectSize(object, serializeFunctions, ignoreUndefined) {
+    var totalLength = 4 + 1;
+    if (Array.isArray(object)) {
+        for (var i = 0; i < object.length; i++) {
+            totalLength += calculateElement(i.toString(), object[i], serializeFunctions, true, ignoreUndefined);
+        }
+    }
+    else {
+        // If we have toBSON defined, override the current object
+        if (typeof (object === null || object === void 0 ? void 0 : object.toBSON) === 'function') {
+            object = object.toBSON();
+        }
+        // Calculate size
+        for (var key in object) {
+            totalLength += calculateElement(key, object[key], serializeFunctions, false, ignoreUndefined);
+        }
+    }
+    return totalLength;
+}
+exports.calculateObjectSize = calculateObjectSize;
+/** @internal */
+function calculateElement(name, 
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+value, serializeFunctions, isArray, ignoreUndefined) {
+    if (serializeFunctions === void 0) { serializeFunctions = false; }
+    if (isArray === void 0) { isArray = false; }
+    if (ignoreUndefined === void 0) { ignoreUndefined = false; }
+    // If we have toBSON defined, override the current object
+    if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+        value = value.toBSON();
+    }
+    switch (typeof value) {
+        case 'string':
+            return 1 + buffer_1.Buffer.byteLength(name, 'utf8') + 1 + 4 + buffer_1.Buffer.byteLength(value, 'utf8') + 1;
+        case 'number':
+            if (Math.floor(value) === value &&
+                value >= constants.JS_INT_MIN &&
+                value <= constants.JS_INT_MAX) {
+                if (value >= constants.BSON_INT32_MIN && value <= constants.BSON_INT32_MAX) {
+                    // 32 bit
+                    return (name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) + (4 + 1);
+                }
+                else {
+                    return (name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+                }
+            }
+            else {
+                // 64 bit
+                return (name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+            }
+        case 'undefined':
+            if (isArray || !ignoreUndefined)
+                return (name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) + 1;
+            return 0;
+        case 'boolean':
+            return (name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) + (1 + 1);
+        case 'object':
+            if (value == null || value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+                return (name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) + 1;
+            }
+            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+                return (name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) + (12 + 1);
+            }
+            else if (value instanceof Date || (0, utils_1.isDate)(value)) {
+                return (name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+            }
+            else if (ArrayBuffer.isView(value) ||
+                value instanceof ArrayBuffer ||
+                (0, utils_1.isAnyArrayBuffer)(value)) {
+                return ((name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) + (1 + 4 + 1) + value.byteLength);
+            }
+            else if (value['_bsontype'] === 'Long' ||
+                value['_bsontype'] === 'Double' ||
+                value['_bsontype'] === 'Timestamp') {
+                return (name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+            }
+            else if (value['_bsontype'] === 'Decimal128') {
+                return (name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) + (16 + 1);
+            }
+            else if (value['_bsontype'] === 'Code') {
+                // Calculate size depending on the availability of a scope
+                if (value.scope != null && Object.keys(value.scope).length > 0) {
+                    return ((name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                        1 +
+                        4 +
+                        4 +
+                        buffer_1.Buffer.byteLength(value.code.toString(), 'utf8') +
+                        1 +
+                        calculateObjectSize(value.scope, serializeFunctions, ignoreUndefined));
+                }
+                else {
+                    return ((name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                        1 +
+                        4 +
+                        buffer_1.Buffer.byteLength(value.code.toString(), 'utf8') +
+                        1);
+                }
+            }
+            else if (value['_bsontype'] === 'Binary') {
+                var binary = value;
+                // Check what kind of subtype we have
+                if (binary.sub_type === binary_1.Binary.SUBTYPE_BYTE_ARRAY) {
+                    return ((name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                        (binary.position + 1 + 4 + 1 + 4));
+                }
+                else {
+                    return ((name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) + (binary.position + 1 + 4 + 1));
+                }
+            }
+            else if (value['_bsontype'] === 'Symbol') {
+                return ((name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                    buffer_1.Buffer.byteLength(value.value, 'utf8') +
+                    4 +
+                    1 +
+                    1);
+            }
+            else if (value['_bsontype'] === 'DBRef') {
+                // Set up correct object for serialization
+                var ordered_values = Object.assign({
+                    $ref: value.collection,
+                    $id: value.oid
+                }, value.fields);
+                // Add db reference if it exists
+                if (value.db != null) {
+                    ordered_values['$db'] = value.db;
+                }
+                return ((name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                    1 +
+                    calculateObjectSize(ordered_values, serializeFunctions, ignoreUndefined));
+            }
+            else if (value instanceof RegExp || (0, utils_1.isRegExp)(value)) {
+                return ((name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                    1 +
+                    buffer_1.Buffer.byteLength(value.source, 'utf8') +
+                    1 +
+                    (value.global ? 1 : 0) +
+                    (value.ignoreCase ? 1 : 0) +
+                    (value.multiline ? 1 : 0) +
+                    1);
+            }
+            else if (value['_bsontype'] === 'BSONRegExp') {
+                return ((name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                    1 +
+                    buffer_1.Buffer.byteLength(value.pattern, 'utf8') +
+                    1 +
+                    buffer_1.Buffer.byteLength(value.options, 'utf8') +
+                    1);
+            }
+            else {
+                return ((name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                    calculateObjectSize(value, serializeFunctions, ignoreUndefined) +
+                    1);
+            }
+        case 'function':
+            // WTF for 0.4.X where typeof /someregexp/ === 'function'
+            if (value instanceof RegExp || (0, utils_1.isRegExp)(value) || String.call(value) === '[object RegExp]') {
+                return ((name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                    1 +
+                    buffer_1.Buffer.byteLength(value.source, 'utf8') +
+                    1 +
+                    (value.global ? 1 : 0) +
+                    (value.ignoreCase ? 1 : 0) +
+                    (value.multiline ? 1 : 0) +
+                    1);
+            }
+            else {
+                if (serializeFunctions && value.scope != null && Object.keys(value.scope).length > 0) {
+                    return ((name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                        1 +
+                        4 +
+                        4 +
+                        buffer_1.Buffer.byteLength((0, utils_1.normalizedFunctionString)(value), 'utf8') +
+                        1 +
+                        calculateObjectSize(value.scope, serializeFunctions, ignoreUndefined));
+                }
+                else if (serializeFunctions) {
+                    return ((name != null ? buffer_1.Buffer.byteLength(name, 'utf8') + 1 : 0) +
+                        1 +
+                        4 +
+                        buffer_1.Buffer.byteLength((0, utils_1.normalizedFunctionString)(value), 'utf8') +
+                        1);
+                }
+            }
+    }
+    return 0;
+}
+//# sourceMappingURL=calculate_size.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/parser/calculate_size.js.map b/node_modules/bson/lib/parser/calculate_size.js.map
new file mode 100644
index 000000000..f24906c17
--- /dev/null
+++ b/node_modules/bson/lib/parser/calculate_size.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"calculate_size.js","sourceRoot":"","sources":["../../src/parser/calculate_size.ts"],"names":[],"mappings":";;;AAAA,iCAAgC;AAChC,oCAAmC;AAEnC,wCAA0C;AAC1C,iCAAuF;AAEvF,SAAgB,mBAAmB,CACjC,MAAgB,EAChB,kBAA4B,EAC5B,eAAyB;IAEzB,IAAI,WAAW,GAAG,CAAC,GAAG,CAAC,CAAC;IAExB,IAAI,KAAK,CAAC,OAAO,CAAC,MAAM,CAAC,EAAE;QACzB,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,MAAM,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;YACtC,WAAW,IAAI,gBAAgB,CAC7B,CAAC,CAAC,QAAQ,EAAE,EACZ,MAAM,CAAC,CAAC,CAAC,EACT,kBAAkB,EAClB,IAAI,EACJ,eAAe,CAChB,CAAC;SACH;KACF;SAAM;QACL,yDAAyD;QAEzD,IAAI,OAAO,CAAA,MAAM,aAAN,MAAM,uBAAN,MAAM,CAAE,MAAM,CAAA,KAAK,UAAU,EAAE;YACxC,MAAM,GAAG,MAAM,CAAC,MAAM,EAAE,CAAC;SAC1B;QAED,iBAAiB;QACjB,KAAK,IAAM,GAAG,IAAI,MAAM,EAAE;YACxB,WAAW,IAAI,gBAAgB,CAAC,GAAG,EAAE,MAAM,CAAC,GAAG,CAAC,EAAE,kBAAkB,EAAE,KAAK,EAAE,eAAe,CAAC,CAAC;SAC/F;KACF;IAED,OAAO,WAAW,CAAC;AACrB,CAAC;AA/BD,kDA+BC;AAED,gBAAgB;AAChB,SAAS,gBAAgB,CACvB,IAAY;AACZ,8DAA8D;AAC9D,KAAU,EACV,kBAA0B,EAC1B,OAAe,EACf,eAAuB;IAFvB,mCAAA,EAAA,0BAA0B;IAC1B,wBAAA,EAAA,eAAe;IACf,gCAAA,EAAA,uBAAuB;IAEvB,yDAAyD;IACzD,IAAI,OAAO,CAAA,KAAK,aAAL,KAAK,uBAAL,KAAK,CAAE,MAAM,CAAA,KAAK,UAAU,EAAE;QACvC,KAAK,GAAG,KAAK,CAAC,MAAM,EAAE,CAAC;KACxB;IAED,QAAQ,OAAO,KAAK,EAAE;QACpB,KAAK,QAAQ;YACX,OAAO,CAAC,GAAG,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,eAAM,CAAC,UAAU,CAAC,KAAK,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC;QAC5F,KAAK,QAAQ;YACX,IACE,IAAI,CAAC,KAAK,CAAC,KAAK,CAAC,KAAK,KAAK;gBAC3B,KAAK,IAAI,SAAS,CAAC,UAAU;gBAC7B,KAAK,IAAI,SAAS,CAAC,UAAU,EAC7B;gBACA,IAAI,KAAK,IAAI,SAAS,CAAC,cAAc,IAAI,KAAK,IAAI,SAAS,CAAC,cAAc,EAAE;oBAC1E,SAAS;oBACT,OAAO,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;iBAC3E;qBAAM;oBACL,OAAO,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;iBAC3E;aACF;iBAAM;gBACL,SAAS;gBACT,OAAO,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;aAC3E;QACH,KAAK,WAAW;YACd,IAAI,OAAO,IAAI,CAAC,eAAe;gBAC7B,OAAO,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC;YACtE,OAAO,CAAC,CAAC;QACX,KAAK,SAAS;YACZ,OAAO,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;QAC5E,KAAK,QAAQ;YACX,IAAI,KAAK,IAAI,IAAI,IAAI,KAAK,CAAC,WAAW,CAAC,KAAK,QAAQ,IAAI,KAAK,CAAC,WAAW,CAAC,KAAK,QAAQ,EAAE;gBACvF,OAAO,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC;aACrE;iBAAM,IAAI,KAAK,CAAC,WAAW,CAAC,KAAK,UAAU,IAAI,KAAK,CAAC,WAAW,CAAC,KAAK,UAAU,EAAE;gBACjF,OAAO,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,EAAE,GAAG,CAAC,CAAC,CAAC;aAC5E;iBAAM,IAAI,KAAK,YAAY,IAAI,IAAI,IAAA,cAAM,EAAC,KAAK,CAAC,EAAE;gBACjD,OAAO,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;aAC3E;iBAAM,IACL,WAAW,CAAC,MAAM,CAAC,KAAK,CAAC;gBACzB,KAAK,YAAY,WAAW;gBAC5B,IAAA,wBAAgB,EAAC,KAAK,CAAC,EACvB;gBACA,OAAO,CACL,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC,GAAG,KAAK,CAAC,UAAU,CAC1F,CAAC;aACH;iBAAM,IACL,KAAK,CAAC,WAAW,CAAC,KAAK,MAAM;gBAC7B,KAAK,CAAC,WAAW,CAAC,KAAK,QAAQ;gBAC/B,KAAK,CAAC,WAAW,CAAC,KAAK,WAAW,EAClC;gBACA,OAAO,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC;aAC3E;iBAAM,IAAI,KAAK,CAAC,WAAW,CAAC,KAAK,YAAY,EAAE;gBAC9C,OAAO,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,EAAE,GAAG,CAAC,CAAC,CAAC;aAC5E;iBAAM,IAAI,KAAK,CAAC,WAAW,CAAC,KAAK,MAAM,EAAE;gBACxC,0DAA0D;gBAC1D,IAAI,KAAK,CAAC,KAAK,IAAI,IAAI,IAAI,MAAM,CAAC,IAAI,CAAC,KAAK,CAAC,KAAK,CAAC,CAAC,MAAM,GAAG,CAAC,EAAE;oBAC9D,OAAO,CACL,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;wBACxD,CAAC;wBACD,CAAC;wBACD,CAAC;wBACD,eAAM,CAAC,UAAU,CAAC,KAAK,CAAC,IAAI,CAAC,QAAQ,EAAE,EAAE,MAAM,CAAC;wBAChD,CAAC;wBACD,mBAAmB,CAAC,KAAK,CAAC,KAAK,EAAE,kBAAkB,EAAE,eAAe,CAAC,CACtE,CAAC;iBACH;qBAAM;oBACL,OAAO,CACL,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;wBACxD,CAAC;wBACD,CAAC;wBACD,eAAM,CAAC,UAAU,CAAC,KAAK,CAAC,IAAI,CAAC,QAAQ,EAAE,EAAE,MAAM,CAAC;wBAChD,CAAC,CACF,CAAC;iBACH;aACF;iBAAM,IAAI,KAAK,CAAC,WAAW,CAAC,KAAK,QAAQ,EAAE;gBAC1C,IAAM,MAAM,GAAW,KAAK,CAAC;gBAC7B,qCAAqC;gBACrC,IAAI,MAAM,CAAC,QAAQ,KAAK,eAAM,CAAC,kBAAkB,EAAE;oBACjD,OAAO,CACL,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,eAAM,CAAC,UAAU,CAAC,IAAI,EAAE,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC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\ No newline at end of file
diff --git a/node_modules/bson/lib/parser/deserializer.js b/node_modules/bson/lib/parser/deserializer.js
new file mode 100644
index 000000000..57f14a168
--- /dev/null
+++ b/node_modules/bson/lib/parser/deserializer.js
@@ -0,0 +1,665 @@
+"use strict";
+var __assign = (this && this.__assign) || function () {
+    __assign = Object.assign || function(t) {
+        for (var s, i = 1, n = arguments.length; i < n; i++) {
+            s = arguments[i];
+            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
+                t[p] = s[p];
+        }
+        return t;
+    };
+    return __assign.apply(this, arguments);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.deserialize = void 0;
+var buffer_1 = require("buffer");
+var binary_1 = require("../binary");
+var code_1 = require("../code");
+var constants = require("../constants");
+var db_ref_1 = require("../db_ref");
+var decimal128_1 = require("../decimal128");
+var double_1 = require("../double");
+var error_1 = require("../error");
+var int_32_1 = require("../int_32");
+var long_1 = require("../long");
+var max_key_1 = require("../max_key");
+var min_key_1 = require("../min_key");
+var objectid_1 = require("../objectid");
+var regexp_1 = require("../regexp");
+var symbol_1 = require("../symbol");
+var timestamp_1 = require("../timestamp");
+var validate_utf8_1 = require("../validate_utf8");
+// Internal long versions
+var JS_INT_MAX_LONG = long_1.Long.fromNumber(constants.JS_INT_MAX);
+var JS_INT_MIN_LONG = long_1.Long.fromNumber(constants.JS_INT_MIN);
+var functionCache = {};
+function deserialize(buffer, options, isArray) {
+    options = options == null ? {} : options;
+    var index = options && options.index ? options.index : 0;
+    // Read the document size
+    var size = buffer[index] |
+        (buffer[index + 1] << 8) |
+        (buffer[index + 2] << 16) |
+        (buffer[index + 3] << 24);
+    if (size < 5) {
+        throw new error_1.BSONError("bson size must be >= 5, is ".concat(size));
+    }
+    if (options.allowObjectSmallerThanBufferSize && buffer.length < size) {
+        throw new error_1.BSONError("buffer length ".concat(buffer.length, " must be >= bson size ").concat(size));
+    }
+    if (!options.allowObjectSmallerThanBufferSize && buffer.length !== size) {
+        throw new error_1.BSONError("buffer length ".concat(buffer.length, " must === bson size ").concat(size));
+    }
+    if (size + index > buffer.byteLength) {
+        throw new error_1.BSONError("(bson size ".concat(size, " + options.index ").concat(index, " must be <= buffer length ").concat(buffer.byteLength, ")"));
+    }
+    // Illegal end value
+    if (buffer[index + size - 1] !== 0) {
+        throw new error_1.BSONError("One object, sized correctly, with a spot for an EOO, but the EOO isn't 0x00");
+    }
+    // Start deserializtion
+    return deserializeObject(buffer, index, options, isArray);
+}
+exports.deserialize = deserialize;
+var allowedDBRefKeys = /^\$ref$|^\$id$|^\$db$/;
+function deserializeObject(buffer, index, options, isArray) {
+    if (isArray === void 0) { isArray = false; }
+    var evalFunctions = options['evalFunctions'] == null ? false : options['evalFunctions'];
+    var cacheFunctions = options['cacheFunctions'] == null ? false : options['cacheFunctions'];
+    var fieldsAsRaw = options['fieldsAsRaw'] == null ? null : options['fieldsAsRaw'];
+    // Return raw bson buffer instead of parsing it
+    var raw = options['raw'] == null ? false : options['raw'];
+    // Return BSONRegExp objects instead of native regular expressions
+    var bsonRegExp = typeof options['bsonRegExp'] === 'boolean' ? options['bsonRegExp'] : false;
+    // Controls the promotion of values vs wrapper classes
+    var promoteBuffers = options['promoteBuffers'] == null ? false : options['promoteBuffers'];
+    var promoteLongs = options['promoteLongs'] == null ? true : options['promoteLongs'];
+    var promoteValues = options['promoteValues'] == null ? true : options['promoteValues'];
+    // Ensures default validation option if none given
+    var validation = options.validation == null ? { utf8: true } : options.validation;
+    // Shows if global utf-8 validation is enabled or disabled
+    var globalUTFValidation = true;
+    // Reflects utf-8 validation setting regardless of global or specific key validation
+    var validationSetting;
+    // Set of keys either to enable or disable validation on
+    var utf8KeysSet = new Set();
+    // Check for boolean uniformity and empty validation option
+    var utf8ValidatedKeys = validation.utf8;
+    if (typeof utf8ValidatedKeys === 'boolean') {
+        validationSetting = utf8ValidatedKeys;
+    }
+    else {
+        globalUTFValidation = false;
+        var utf8ValidationValues = Object.keys(utf8ValidatedKeys).map(function (key) {
+            return utf8ValidatedKeys[key];
+        });
+        if (utf8ValidationValues.length === 0) {
+            throw new error_1.BSONError('UTF-8 validation setting cannot be empty');
+        }
+        if (typeof utf8ValidationValues[0] !== 'boolean') {
+            throw new error_1.BSONError('Invalid UTF-8 validation option, must specify boolean values');
+        }
+        validationSetting = utf8ValidationValues[0];
+        // Ensures boolean uniformity in utf-8 validation (all true or all false)
+        if (!utf8ValidationValues.every(function (item) { return item === validationSetting; })) {
+            throw new error_1.BSONError('Invalid UTF-8 validation option - keys must be all true or all false');
+        }
+    }
+    // Add keys to set that will either be validated or not based on validationSetting
+    if (!globalUTFValidation) {
+        for (var _i = 0, _a = Object.keys(utf8ValidatedKeys); _i < _a.length; _i++) {
+            var key = _a[_i];
+            utf8KeysSet.add(key);
+        }
+    }
+    // Set the start index
+    var startIndex = index;
+    // Validate that we have at least 4 bytes of buffer
+    if (buffer.length < 5)
+        throw new error_1.BSONError('corrupt bson message < 5 bytes long');
+    // Read the document size
+    var size = buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+    // Ensure buffer is valid size
+    if (size < 5 || size > buffer.length)
+        throw new error_1.BSONError('corrupt bson message');
+    // Create holding object
+    var object = isArray ? [] : {};
+    // Used for arrays to skip having to perform utf8 decoding
+    var arrayIndex = 0;
+    var done = false;
+    var isPossibleDBRef = isArray ? false : null;
+    // While we have more left data left keep parsing
+    var dataview = new DataView(buffer.buffer, buffer.byteOffset, buffer.byteLength);
+    while (!done) {
+        // Read the type
+        var elementType = buffer[index++];
+        // If we get a zero it's the last byte, exit
+        if (elementType === 0)
+            break;
+        // Get the start search index
+        var i = index;
+        // Locate the end of the c string
+        while (buffer[i] !== 0x00 && i < buffer.length) {
+            i++;
+        }
+        // If are at the end of the buffer there is a problem with the document
+        if (i >= buffer.byteLength)
+            throw new error_1.BSONError('Bad BSON Document: illegal CString');
+        // Represents the key
+        var name = isArray ? arrayIndex++ : buffer.toString('utf8', index, i);
+        // shouldValidateKey is true if the key should be validated, false otherwise
+        var shouldValidateKey = true;
+        if (globalUTFValidation || utf8KeysSet.has(name)) {
+            shouldValidateKey = validationSetting;
+        }
+        else {
+            shouldValidateKey = !validationSetting;
+        }
+        if (isPossibleDBRef !== false && name[0] === '$') {
+            isPossibleDBRef = allowedDBRefKeys.test(name);
+        }
+        var value = void 0;
+        index = i + 1;
+        if (elementType === constants.BSON_DATA_STRING) {
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0) {
+                throw new error_1.BSONError('bad string length in bson');
+            }
+            value = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+            index = index + stringSize;
+        }
+        else if (elementType === constants.BSON_DATA_OID) {
+            var oid = buffer_1.Buffer.alloc(12);
+            buffer.copy(oid, 0, index, index + 12);
+            value = new objectid_1.ObjectId(oid);
+            index = index + 12;
+        }
+        else if (elementType === constants.BSON_DATA_INT && promoteValues === false) {
+            value = new int_32_1.Int32(buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24));
+        }
+        else if (elementType === constants.BSON_DATA_INT) {
+            value =
+                buffer[index++] |
+                    (buffer[index++] << 8) |
+                    (buffer[index++] << 16) |
+                    (buffer[index++] << 24);
+        }
+        else if (elementType === constants.BSON_DATA_NUMBER && promoteValues === false) {
+            value = new double_1.Double(dataview.getFloat64(index, true));
+            index = index + 8;
+        }
+        else if (elementType === constants.BSON_DATA_NUMBER) {
+            value = dataview.getFloat64(index, true);
+            index = index + 8;
+        }
+        else if (elementType === constants.BSON_DATA_DATE) {
+            var lowBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var highBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            value = new Date(new long_1.Long(lowBits, highBits).toNumber());
+        }
+        else if (elementType === constants.BSON_DATA_BOOLEAN) {
+            if (buffer[index] !== 0 && buffer[index] !== 1)
+                throw new error_1.BSONError('illegal boolean type value');
+            value = buffer[index++] === 1;
+        }
+        else if (elementType === constants.BSON_DATA_OBJECT) {
+            var _index = index;
+            var objectSize = buffer[index] |
+                (buffer[index + 1] << 8) |
+                (buffer[index + 2] << 16) |
+                (buffer[index + 3] << 24);
+            if (objectSize <= 0 || objectSize > buffer.length - index)
+                throw new error_1.BSONError('bad embedded document length in bson');
+            // We have a raw value
+            if (raw) {
+                value = buffer.slice(index, index + objectSize);
+            }
+            else {
+                var objectOptions = options;
+                if (!globalUTFValidation) {
+                    objectOptions = __assign(__assign({}, options), { validation: { utf8: shouldValidateKey } });
+                }
+                value = deserializeObject(buffer, _index, objectOptions, false);
+            }
+            index = index + objectSize;
+        }
+        else if (elementType === constants.BSON_DATA_ARRAY) {
+            var _index = index;
+            var objectSize = buffer[index] |
+                (buffer[index + 1] << 8) |
+                (buffer[index + 2] << 16) |
+                (buffer[index + 3] << 24);
+            var arrayOptions = options;
+            // Stop index
+            var stopIndex = index + objectSize;
+            // All elements of array to be returned as raw bson
+            if (fieldsAsRaw && fieldsAsRaw[name]) {
+                arrayOptions = {};
+                for (var n in options) {
+                    arrayOptions[n] = options[n];
+                }
+                arrayOptions['raw'] = true;
+            }
+            if (!globalUTFValidation) {
+                arrayOptions = __assign(__assign({}, arrayOptions), { validation: { utf8: shouldValidateKey } });
+            }
+            value = deserializeObject(buffer, _index, arrayOptions, true);
+            index = index + objectSize;
+            if (buffer[index - 1] !== 0)
+                throw new error_1.BSONError('invalid array terminator byte');
+            if (index !== stopIndex)
+                throw new error_1.BSONError('corrupted array bson');
+        }
+        else if (elementType === constants.BSON_DATA_UNDEFINED) {
+            value = undefined;
+        }
+        else if (elementType === constants.BSON_DATA_NULL) {
+            value = null;
+        }
+        else if (elementType === constants.BSON_DATA_LONG) {
+            // Unpack the low and high bits
+            var lowBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var highBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var long = new long_1.Long(lowBits, highBits);
+            // Promote the long if possible
+            if (promoteLongs && promoteValues === true) {
+                value =
+                    long.lessThanOrEqual(JS_INT_MAX_LONG) && long.greaterThanOrEqual(JS_INT_MIN_LONG)
+                        ? long.toNumber()
+                        : long;
+            }
+            else {
+                value = long;
+            }
+        }
+        else if (elementType === constants.BSON_DATA_DECIMAL128) {
+            // Buffer to contain the decimal bytes
+            var bytes = buffer_1.Buffer.alloc(16);
+            // Copy the next 16 bytes into the bytes buffer
+            buffer.copy(bytes, 0, index, index + 16);
+            // Update index
+            index = index + 16;
+            // Assign the new Decimal128 value
+            var decimal128 = new decimal128_1.Decimal128(bytes);
+            // If we have an alternative mapper use that
+            if ('toObject' in decimal128 && typeof decimal128.toObject === 'function') {
+                value = decimal128.toObject();
+            }
+            else {
+                value = decimal128;
+            }
+        }
+        else if (elementType === constants.BSON_DATA_BINARY) {
+            var binarySize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var totalBinarySize = binarySize;
+            var subType = buffer[index++];
+            // Did we have a negative binary size, throw
+            if (binarySize < 0)
+                throw new error_1.BSONError('Negative binary type element size found');
+            // Is the length longer than the document
+            if (binarySize > buffer.byteLength)
+                throw new error_1.BSONError('Binary type size larger than document size');
+            // Decode as raw Buffer object if options specifies it
+            if (buffer['slice'] != null) {
+                // If we have subtype 2 skip the 4 bytes for the size
+                if (subType === binary_1.Binary.SUBTYPE_BYTE_ARRAY) {
+                    binarySize =
+                        buffer[index++] |
+                            (buffer[index++] << 8) |
+                            (buffer[index++] << 16) |
+                            (buffer[index++] << 24);
+                    if (binarySize < 0)
+                        throw new error_1.BSONError('Negative binary type element size found for subtype 0x02');
+                    if (binarySize > totalBinarySize - 4)
+                        throw new error_1.BSONError('Binary type with subtype 0x02 contains too long binary size');
+                    if (binarySize < totalBinarySize - 4)
+                        throw new error_1.BSONError('Binary type with subtype 0x02 contains too short binary size');
+                }
+                if (promoteBuffers && promoteValues) {
+                    value = buffer.slice(index, index + binarySize);
+                }
+                else {
+                    value = new binary_1.Binary(buffer.slice(index, index + binarySize), subType);
+                    if (subType === constants.BSON_BINARY_SUBTYPE_UUID_NEW) {
+                        value = value.toUUID();
+                    }
+                }
+            }
+            else {
+                var _buffer = buffer_1.Buffer.alloc(binarySize);
+                // If we have subtype 2 skip the 4 bytes for the size
+                if (subType === binary_1.Binary.SUBTYPE_BYTE_ARRAY) {
+                    binarySize =
+                        buffer[index++] |
+                            (buffer[index++] << 8) |
+                            (buffer[index++] << 16) |
+                            (buffer[index++] << 24);
+                    if (binarySize < 0)
+                        throw new error_1.BSONError('Negative binary type element size found for subtype 0x02');
+                    if (binarySize > totalBinarySize - 4)
+                        throw new error_1.BSONError('Binary type with subtype 0x02 contains too long binary size');
+                    if (binarySize < totalBinarySize - 4)
+                        throw new error_1.BSONError('Binary type with subtype 0x02 contains too short binary size');
+                }
+                // Copy the data
+                for (i = 0; i < binarySize; i++) {
+                    _buffer[i] = buffer[index + i];
+                }
+                if (promoteBuffers && promoteValues) {
+                    value = _buffer;
+                }
+                else if (subType === constants.BSON_BINARY_SUBTYPE_UUID_NEW) {
+                    value = new binary_1.Binary(buffer.slice(index, index + binarySize), subType).toUUID();
+                }
+                else {
+                    value = new binary_1.Binary(buffer.slice(index, index + binarySize), subType);
+                }
+            }
+            // Update the index
+            index = index + binarySize;
+        }
+        else if (elementType === constants.BSON_DATA_REGEXP && bsonRegExp === false) {
+            // Get the start search index
+            i = index;
+            // Locate the end of the c string
+            while (buffer[i] !== 0x00 && i < buffer.length) {
+                i++;
+            }
+            // If are at the end of the buffer there is a problem with the document
+            if (i >= buffer.length)
+                throw new error_1.BSONError('Bad BSON Document: illegal CString');
+            // Return the C string
+            var source = buffer.toString('utf8', index, i);
+            // Create the regexp
+            index = i + 1;
+            // Get the start search index
+            i = index;
+            // Locate the end of the c string
+            while (buffer[i] !== 0x00 && i < buffer.length) {
+                i++;
+            }
+            // If are at the end of the buffer there is a problem with the document
+            if (i >= buffer.length)
+                throw new error_1.BSONError('Bad BSON Document: illegal CString');
+            // Return the C string
+            var regExpOptions = buffer.toString('utf8', index, i);
+            index = i + 1;
+            // For each option add the corresponding one for javascript
+            var optionsArray = new Array(regExpOptions.length);
+            // Parse options
+            for (i = 0; i < regExpOptions.length; i++) {
+                switch (regExpOptions[i]) {
+                    case 'm':
+                        optionsArray[i] = 'm';
+                        break;
+                    case 's':
+                        optionsArray[i] = 'g';
+                        break;
+                    case 'i':
+                        optionsArray[i] = 'i';
+                        break;
+                }
+            }
+            value = new RegExp(source, optionsArray.join(''));
+        }
+        else if (elementType === constants.BSON_DATA_REGEXP && bsonRegExp === true) {
+            // Get the start search index
+            i = index;
+            // Locate the end of the c string
+            while (buffer[i] !== 0x00 && i < buffer.length) {
+                i++;
+            }
+            // If are at the end of the buffer there is a problem with the document
+            if (i >= buffer.length)
+                throw new error_1.BSONError('Bad BSON Document: illegal CString');
+            // Return the C string
+            var source = buffer.toString('utf8', index, i);
+            index = i + 1;
+            // Get the start search index
+            i = index;
+            // Locate the end of the c string
+            while (buffer[i] !== 0x00 && i < buffer.length) {
+                i++;
+            }
+            // If are at the end of the buffer there is a problem with the document
+            if (i >= buffer.length)
+                throw new error_1.BSONError('Bad BSON Document: illegal CString');
+            // Return the C string
+            var regExpOptions = buffer.toString('utf8', index, i);
+            index = i + 1;
+            // Set the object
+            value = new regexp_1.BSONRegExp(source, regExpOptions);
+        }
+        else if (elementType === constants.BSON_DATA_SYMBOL) {
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0) {
+                throw new error_1.BSONError('bad string length in bson');
+            }
+            var symbol = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+            value = promoteValues ? symbol : new symbol_1.BSONSymbol(symbol);
+            index = index + stringSize;
+        }
+        else if (elementType === constants.BSON_DATA_TIMESTAMP) {
+            var lowBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            var highBits = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            value = new timestamp_1.Timestamp(lowBits, highBits);
+        }
+        else if (elementType === constants.BSON_DATA_MIN_KEY) {
+            value = new min_key_1.MinKey();
+        }
+        else if (elementType === constants.BSON_DATA_MAX_KEY) {
+            value = new max_key_1.MaxKey();
+        }
+        else if (elementType === constants.BSON_DATA_CODE) {
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0) {
+                throw new error_1.BSONError('bad string length in bson');
+            }
+            var functionString = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+            // If we are evaluating the functions
+            if (evalFunctions) {
+                // If we have cache enabled let's look for the md5 of the function in the cache
+                if (cacheFunctions) {
+                    // Got to do this to avoid V8 deoptimizing the call due to finding eval
+                    value = isolateEval(functionString, functionCache, object);
+                }
+                else {
+                    value = isolateEval(functionString);
+                }
+            }
+            else {
+                value = new code_1.Code(functionString);
+            }
+            // Update parse index position
+            index = index + stringSize;
+        }
+        else if (elementType === constants.BSON_DATA_CODE_W_SCOPE) {
+            var totalSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            // Element cannot be shorter than totalSize + stringSize + documentSize + terminator
+            if (totalSize < 4 + 4 + 4 + 1) {
+                throw new error_1.BSONError('code_w_scope total size shorter minimum expected length');
+            }
+            // Get the code string size
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            // Check if we have a valid string
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0) {
+                throw new error_1.BSONError('bad string length in bson');
+            }
+            // Javascript function
+            var functionString = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+            // Update parse index position
+            index = index + stringSize;
+            // Parse the element
+            var _index = index;
+            // Decode the size of the object document
+            var objectSize = buffer[index] |
+                (buffer[index + 1] << 8) |
+                (buffer[index + 2] << 16) |
+                (buffer[index + 3] << 24);
+            // Decode the scope object
+            var scopeObject = deserializeObject(buffer, _index, options, false);
+            // Adjust the index
+            index = index + objectSize;
+            // Check if field length is too short
+            if (totalSize < 4 + 4 + objectSize + stringSize) {
+                throw new error_1.BSONError('code_w_scope total size is too short, truncating scope');
+            }
+            // Check if totalSize field is too long
+            if (totalSize > 4 + 4 + objectSize + stringSize) {
+                throw new error_1.BSONError('code_w_scope total size is too long, clips outer document');
+            }
+            // If we are evaluating the functions
+            if (evalFunctions) {
+                // If we have cache enabled let's look for the md5 of the function in the cache
+                if (cacheFunctions) {
+                    // Got to do this to avoid V8 deoptimizing the call due to finding eval
+                    value = isolateEval(functionString, functionCache, object);
+                }
+                else {
+                    value = isolateEval(functionString);
+                }
+                value.scope = scopeObject;
+            }
+            else {
+                value = new code_1.Code(functionString, scopeObject);
+            }
+        }
+        else if (elementType === constants.BSON_DATA_DBPOINTER) {
+            // Get the code string size
+            var stringSize = buffer[index++] |
+                (buffer[index++] << 8) |
+                (buffer[index++] << 16) |
+                (buffer[index++] << 24);
+            // Check if we have a valid string
+            if (stringSize <= 0 ||
+                stringSize > buffer.length - index ||
+                buffer[index + stringSize - 1] !== 0)
+                throw new error_1.BSONError('bad string length in bson');
+            // Namespace
+            if (validation != null && validation.utf8) {
+                if (!(0, validate_utf8_1.validateUtf8)(buffer, index, index + stringSize - 1)) {
+                    throw new error_1.BSONError('Invalid UTF-8 string in BSON document');
+                }
+            }
+            var namespace = buffer.toString('utf8', index, index + stringSize - 1);
+            // Update parse index position
+            index = index + stringSize;
+            // Read the oid
+            var oidBuffer = buffer_1.Buffer.alloc(12);
+            buffer.copy(oidBuffer, 0, index, index + 12);
+            var oid = new objectid_1.ObjectId(oidBuffer);
+            // Update the index
+            index = index + 12;
+            // Upgrade to DBRef type
+            value = new db_ref_1.DBRef(namespace, oid);
+        }
+        else {
+            throw new error_1.BSONError("Detected unknown BSON type ".concat(elementType.toString(16), " for fieldname \"").concat(name, "\""));
+        }
+        if (name === '__proto__') {
+            Object.defineProperty(object, name, {
+                value: value,
+                writable: true,
+                enumerable: true,
+                configurable: true
+            });
+        }
+        else {
+            object[name] = value;
+        }
+    }
+    // Check if the deserialization was against a valid array/object
+    if (size !== index - startIndex) {
+        if (isArray)
+            throw new error_1.BSONError('corrupt array bson');
+        throw new error_1.BSONError('corrupt object bson');
+    }
+    // if we did not find "$ref", "$id", "$db", or found an extraneous $key, don't make a DBRef
+    if (!isPossibleDBRef)
+        return object;
+    if ((0, db_ref_1.isDBRefLike)(object)) {
+        var copy = Object.assign({}, object);
+        delete copy.$ref;
+        delete copy.$id;
+        delete copy.$db;
+        return new db_ref_1.DBRef(object.$ref, object.$id, object.$db, copy);
+    }
+    return object;
+}
+/**
+ * Ensure eval is isolated, store the result in functionCache.
+ *
+ * @internal
+ */
+function isolateEval(functionString, functionCache, object) {
+    // eslint-disable-next-line @typescript-eslint/no-implied-eval
+    if (!functionCache)
+        return new Function(functionString);
+    // Check for cache hit, eval if missing and return cached function
+    if (functionCache[functionString] == null) {
+        // eslint-disable-next-line @typescript-eslint/no-implied-eval
+        functionCache[functionString] = new Function(functionString);
+    }
+    // Set the object
+    return functionCache[functionString].bind(object);
+}
+function getValidatedString(buffer, start, end, shouldValidateUtf8) {
+    var value = buffer.toString('utf8', start, end);
+    // if utf8 validation is on, do the check
+    if (shouldValidateUtf8) {
+        for (var i = 0; i < value.length; i++) {
+            if (value.charCodeAt(i) === 0xfffd) {
+                if (!(0, validate_utf8_1.validateUtf8)(buffer, start, end)) {
+                    throw new error_1.BSONError('Invalid UTF-8 string in BSON document');
+                }
+                break;
+            }
+        }
+    }
+    return value;
+}
+//# sourceMappingURL=deserializer.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/parser/deserializer.js.map b/node_modules/bson/lib/parser/deserializer.js.map
new file mode 100644
index 000000000..fc65ae3bd
--- /dev/null
+++ b/node_modules/bson/lib/parser/deserializer.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/bson/lib/parser/serializer.js b/node_modules/bson/lib/parser/serializer.js
new file mode 100644
index 000000000..d99ca9611
--- /dev/null
+++ b/node_modules/bson/lib/parser/serializer.js
@@ -0,0 +1,867 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.serializeInto = void 0;
+var binary_1 = require("../binary");
+var constants = require("../constants");
+var ensure_buffer_1 = require("../ensure_buffer");
+var error_1 = require("../error");
+var extended_json_1 = require("../extended_json");
+var long_1 = require("../long");
+var map_1 = require("../map");
+var utils_1 = require("./utils");
+var regexp = /\x00/; // eslint-disable-line no-control-regex
+var ignoreKeys = new Set(['$db', '$ref', '$id', '$clusterTime']);
+/*
+ * isArray indicates if we are writing to a BSON array (type 0x04)
+ * which forces the "key" which really an array index as a string to be written as ascii
+ * This will catch any errors in index as a string generation
+ */
+function serializeString(buffer, key, value, index, isArray) {
+    // Encode String type
+    buffer[index++] = constants.BSON_DATA_STRING;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes + 1;
+    buffer[index - 1] = 0;
+    // Write the string
+    var size = buffer.write(value, index + 4, undefined, 'utf8');
+    // Write the size of the string to buffer
+    buffer[index + 3] = ((size + 1) >> 24) & 0xff;
+    buffer[index + 2] = ((size + 1) >> 16) & 0xff;
+    buffer[index + 1] = ((size + 1) >> 8) & 0xff;
+    buffer[index] = (size + 1) & 0xff;
+    // Update index
+    index = index + 4 + size;
+    // Write zero
+    buffer[index++] = 0;
+    return index;
+}
+var SPACE_FOR_FLOAT64 = new Uint8Array(8);
+var DV_FOR_FLOAT64 = new DataView(SPACE_FOR_FLOAT64.buffer, SPACE_FOR_FLOAT64.byteOffset, SPACE_FOR_FLOAT64.byteLength);
+function serializeNumber(buffer, key, value, index, isArray) {
+    // We have an integer value
+    // TODO(NODE-2529): Add support for big int
+    if (Number.isInteger(value) &&
+        value >= constants.BSON_INT32_MIN &&
+        value <= constants.BSON_INT32_MAX) {
+        // If the value fits in 32 bits encode as int32
+        // Set int type 32 bits or less
+        buffer[index++] = constants.BSON_DATA_INT;
+        // Number of written bytes
+        var numberOfWrittenBytes = !isArray
+            ? buffer.write(key, index, undefined, 'utf8')
+            : buffer.write(key, index, undefined, 'ascii');
+        // Encode the name
+        index = index + numberOfWrittenBytes;
+        buffer[index++] = 0;
+        // Write the int value
+        buffer[index++] = value & 0xff;
+        buffer[index++] = (value >> 8) & 0xff;
+        buffer[index++] = (value >> 16) & 0xff;
+        buffer[index++] = (value >> 24) & 0xff;
+    }
+    else {
+        // Encode as double
+        buffer[index++] = constants.BSON_DATA_NUMBER;
+        // Number of written bytes
+        var numberOfWrittenBytes = !isArray
+            ? buffer.write(key, index, undefined, 'utf8')
+            : buffer.write(key, index, undefined, 'ascii');
+        // Encode the name
+        index = index + numberOfWrittenBytes;
+        buffer[index++] = 0;
+        // Write float
+        DV_FOR_FLOAT64.setFloat64(0, value, true);
+        buffer.set(SPACE_FOR_FLOAT64, index);
+        // Adjust index
+        index = index + 8;
+    }
+    return index;
+}
+function serializeNull(buffer, key, _, index, isArray) {
+    // Set long type
+    buffer[index++] = constants.BSON_DATA_NULL;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    return index;
+}
+function serializeBoolean(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = constants.BSON_DATA_BOOLEAN;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Encode the boolean value
+    buffer[index++] = value ? 1 : 0;
+    return index;
+}
+function serializeDate(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = constants.BSON_DATA_DATE;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the date
+    var dateInMilis = long_1.Long.fromNumber(value.getTime());
+    var lowBits = dateInMilis.getLowBits();
+    var highBits = dateInMilis.getHighBits();
+    // Encode low bits
+    buffer[index++] = lowBits & 0xff;
+    buffer[index++] = (lowBits >> 8) & 0xff;
+    buffer[index++] = (lowBits >> 16) & 0xff;
+    buffer[index++] = (lowBits >> 24) & 0xff;
+    // Encode high bits
+    buffer[index++] = highBits & 0xff;
+    buffer[index++] = (highBits >> 8) & 0xff;
+    buffer[index++] = (highBits >> 16) & 0xff;
+    buffer[index++] = (highBits >> 24) & 0xff;
+    return index;
+}
+function serializeRegExp(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = constants.BSON_DATA_REGEXP;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    if (value.source && value.source.match(regexp) != null) {
+        throw Error('value ' + value.source + ' must not contain null bytes');
+    }
+    // Adjust the index
+    index = index + buffer.write(value.source, index, undefined, 'utf8');
+    // Write zero
+    buffer[index++] = 0x00;
+    // Write the parameters
+    if (value.ignoreCase)
+        buffer[index++] = 0x69; // i
+    if (value.global)
+        buffer[index++] = 0x73; // s
+    if (value.multiline)
+        buffer[index++] = 0x6d; // m
+    // Add ending zero
+    buffer[index++] = 0x00;
+    return index;
+}
+function serializeBSONRegExp(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = constants.BSON_DATA_REGEXP;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Check the pattern for 0 bytes
+    if (value.pattern.match(regexp) != null) {
+        // The BSON spec doesn't allow keys with null bytes because keys are
+        // null-terminated.
+        throw Error('pattern ' + value.pattern + ' must not contain null bytes');
+    }
+    // Adjust the index
+    index = index + buffer.write(value.pattern, index, undefined, 'utf8');
+    // Write zero
+    buffer[index++] = 0x00;
+    // Write the options
+    index = index + buffer.write(value.options.split('').sort().join(''), index, undefined, 'utf8');
+    // Add ending zero
+    buffer[index++] = 0x00;
+    return index;
+}
+function serializeMinMax(buffer, key, value, index, isArray) {
+    // Write the type of either min or max key
+    if (value === null) {
+        buffer[index++] = constants.BSON_DATA_NULL;
+    }
+    else if (value._bsontype === 'MinKey') {
+        buffer[index++] = constants.BSON_DATA_MIN_KEY;
+    }
+    else {
+        buffer[index++] = constants.BSON_DATA_MAX_KEY;
+    }
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    return index;
+}
+function serializeObjectId(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = constants.BSON_DATA_OID;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the objectId into the shared buffer
+    if (typeof value.id === 'string') {
+        buffer.write(value.id, index, undefined, 'binary');
+    }
+    else if ((0, utils_1.isUint8Array)(value.id)) {
+        // Use the standard JS methods here because buffer.copy() is buggy with the
+        // browser polyfill
+        buffer.set(value.id.subarray(0, 12), index);
+    }
+    else {
+        throw new error_1.BSONTypeError('object [' + JSON.stringify(value) + '] is not a valid ObjectId');
+    }
+    // Adjust index
+    return index + 12;
+}
+function serializeBuffer(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = constants.BSON_DATA_BINARY;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Get size of the buffer (current write point)
+    var size = value.length;
+    // Write the size of the string to buffer
+    buffer[index++] = size & 0xff;
+    buffer[index++] = (size >> 8) & 0xff;
+    buffer[index++] = (size >> 16) & 0xff;
+    buffer[index++] = (size >> 24) & 0xff;
+    // Write the default subtype
+    buffer[index++] = constants.BSON_BINARY_SUBTYPE_DEFAULT;
+    // Copy the content form the binary field to the buffer
+    buffer.set((0, ensure_buffer_1.ensureBuffer)(value), index);
+    // Adjust the index
+    index = index + size;
+    return index;
+}
+function serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, isArray, path) {
+    if (checkKeys === void 0) { checkKeys = false; }
+    if (depth === void 0) { depth = 0; }
+    if (serializeFunctions === void 0) { serializeFunctions = false; }
+    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+    if (isArray === void 0) { isArray = false; }
+    if (path === void 0) { path = []; }
+    for (var i = 0; i < path.length; i++) {
+        if (path[i] === value)
+            throw new error_1.BSONError('cyclic dependency detected');
+    }
+    // Push value to stack
+    path.push(value);
+    // Write the type
+    buffer[index++] = Array.isArray(value) ? constants.BSON_DATA_ARRAY : constants.BSON_DATA_OBJECT;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    var endIndex = serializeInto(buffer, value, checkKeys, index, depth + 1, serializeFunctions, ignoreUndefined, path);
+    // Pop stack
+    path.pop();
+    return endIndex;
+}
+function serializeDecimal128(buffer, key, value, index, isArray) {
+    buffer[index++] = constants.BSON_DATA_DECIMAL128;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the data from the value
+    // Prefer the standard JS methods because their typechecking is not buggy,
+    // unlike the `buffer` polyfill's.
+    buffer.set(value.bytes.subarray(0, 16), index);
+    return index + 16;
+}
+function serializeLong(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] =
+        value._bsontype === 'Long' ? constants.BSON_DATA_LONG : constants.BSON_DATA_TIMESTAMP;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the date
+    var lowBits = value.getLowBits();
+    var highBits = value.getHighBits();
+    // Encode low bits
+    buffer[index++] = lowBits & 0xff;
+    buffer[index++] = (lowBits >> 8) & 0xff;
+    buffer[index++] = (lowBits >> 16) & 0xff;
+    buffer[index++] = (lowBits >> 24) & 0xff;
+    // Encode high bits
+    buffer[index++] = highBits & 0xff;
+    buffer[index++] = (highBits >> 8) & 0xff;
+    buffer[index++] = (highBits >> 16) & 0xff;
+    buffer[index++] = (highBits >> 24) & 0xff;
+    return index;
+}
+function serializeInt32(buffer, key, value, index, isArray) {
+    value = value.valueOf();
+    // Set int type 32 bits or less
+    buffer[index++] = constants.BSON_DATA_INT;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the int value
+    buffer[index++] = value & 0xff;
+    buffer[index++] = (value >> 8) & 0xff;
+    buffer[index++] = (value >> 16) & 0xff;
+    buffer[index++] = (value >> 24) & 0xff;
+    return index;
+}
+function serializeDouble(buffer, key, value, index, isArray) {
+    // Encode as double
+    buffer[index++] = constants.BSON_DATA_NUMBER;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write float
+    DV_FOR_FLOAT64.setFloat64(0, value.value, true);
+    buffer.set(SPACE_FOR_FLOAT64, index);
+    // Adjust index
+    index = index + 8;
+    return index;
+}
+function serializeFunction(buffer, key, value, index, _checkKeys, _depth, isArray) {
+    if (_checkKeys === void 0) { _checkKeys = false; }
+    if (_depth === void 0) { _depth = 0; }
+    buffer[index++] = constants.BSON_DATA_CODE;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Function string
+    var functionString = (0, utils_1.normalizedFunctionString)(value);
+    // Write the string
+    var size = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+    // Write the size of the string to buffer
+    buffer[index] = size & 0xff;
+    buffer[index + 1] = (size >> 8) & 0xff;
+    buffer[index + 2] = (size >> 16) & 0xff;
+    buffer[index + 3] = (size >> 24) & 0xff;
+    // Update index
+    index = index + 4 + size - 1;
+    // Write zero
+    buffer[index++] = 0;
+    return index;
+}
+function serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, isArray) {
+    if (checkKeys === void 0) { checkKeys = false; }
+    if (depth === void 0) { depth = 0; }
+    if (serializeFunctions === void 0) { serializeFunctions = false; }
+    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+    if (isArray === void 0) { isArray = false; }
+    if (value.scope && typeof value.scope === 'object') {
+        // Write the type
+        buffer[index++] = constants.BSON_DATA_CODE_W_SCOPE;
+        // Number of written bytes
+        var numberOfWrittenBytes = !isArray
+            ? buffer.write(key, index, undefined, 'utf8')
+            : buffer.write(key, index, undefined, 'ascii');
+        // Encode the name
+        index = index + numberOfWrittenBytes;
+        buffer[index++] = 0;
+        // Starting index
+        var startIndex = index;
+        // Serialize the function
+        // Get the function string
+        var functionString = typeof value.code === 'string' ? value.code : value.code.toString();
+        // Index adjustment
+        index = index + 4;
+        // Write string into buffer
+        var codeSize = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+        // Write the size of the string to buffer
+        buffer[index] = codeSize & 0xff;
+        buffer[index + 1] = (codeSize >> 8) & 0xff;
+        buffer[index + 2] = (codeSize >> 16) & 0xff;
+        buffer[index + 3] = (codeSize >> 24) & 0xff;
+        // Write end 0
+        buffer[index + 4 + codeSize - 1] = 0;
+        // Write the
+        index = index + codeSize + 4;
+        //
+        // Serialize the scope value
+        var endIndex = serializeInto(buffer, value.scope, checkKeys, index, depth + 1, serializeFunctions, ignoreUndefined);
+        index = endIndex - 1;
+        // Writ the total
+        var totalSize = endIndex - startIndex;
+        // Write the total size of the object
+        buffer[startIndex++] = totalSize & 0xff;
+        buffer[startIndex++] = (totalSize >> 8) & 0xff;
+        buffer[startIndex++] = (totalSize >> 16) & 0xff;
+        buffer[startIndex++] = (totalSize >> 24) & 0xff;
+        // Write trailing zero
+        buffer[index++] = 0;
+    }
+    else {
+        buffer[index++] = constants.BSON_DATA_CODE;
+        // Number of written bytes
+        var numberOfWrittenBytes = !isArray
+            ? buffer.write(key, index, undefined, 'utf8')
+            : buffer.write(key, index, undefined, 'ascii');
+        // Encode the name
+        index = index + numberOfWrittenBytes;
+        buffer[index++] = 0;
+        // Function string
+        var functionString = value.code.toString();
+        // Write the string
+        var size = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+        // Write the size of the string to buffer
+        buffer[index] = size & 0xff;
+        buffer[index + 1] = (size >> 8) & 0xff;
+        buffer[index + 2] = (size >> 16) & 0xff;
+        buffer[index + 3] = (size >> 24) & 0xff;
+        // Update index
+        index = index + 4 + size - 1;
+        // Write zero
+        buffer[index++] = 0;
+    }
+    return index;
+}
+function serializeBinary(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = constants.BSON_DATA_BINARY;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Extract the buffer
+    var data = value.value(true);
+    // Calculate size
+    var size = value.position;
+    // Add the deprecated 02 type 4 bytes of size to total
+    if (value.sub_type === binary_1.Binary.SUBTYPE_BYTE_ARRAY)
+        size = size + 4;
+    // Write the size of the string to buffer
+    buffer[index++] = size & 0xff;
+    buffer[index++] = (size >> 8) & 0xff;
+    buffer[index++] = (size >> 16) & 0xff;
+    buffer[index++] = (size >> 24) & 0xff;
+    // Write the subtype to the buffer
+    buffer[index++] = value.sub_type;
+    // If we have binary type 2 the 4 first bytes are the size
+    if (value.sub_type === binary_1.Binary.SUBTYPE_BYTE_ARRAY) {
+        size = size - 4;
+        buffer[index++] = size & 0xff;
+        buffer[index++] = (size >> 8) & 0xff;
+        buffer[index++] = (size >> 16) & 0xff;
+        buffer[index++] = (size >> 24) & 0xff;
+    }
+    // Write the data to the object
+    buffer.set(data, index);
+    // Adjust the index
+    index = index + value.position;
+    return index;
+}
+function serializeSymbol(buffer, key, value, index, isArray) {
+    // Write the type
+    buffer[index++] = constants.BSON_DATA_SYMBOL;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the string
+    var size = buffer.write(value.value, index + 4, undefined, 'utf8') + 1;
+    // Write the size of the string to buffer
+    buffer[index] = size & 0xff;
+    buffer[index + 1] = (size >> 8) & 0xff;
+    buffer[index + 2] = (size >> 16) & 0xff;
+    buffer[index + 3] = (size >> 24) & 0xff;
+    // Update index
+    index = index + 4 + size - 1;
+    // Write zero
+    buffer[index++] = 0x00;
+    return index;
+}
+function serializeDBRef(buffer, key, value, index, depth, serializeFunctions, isArray) {
+    // Write the type
+    buffer[index++] = constants.BSON_DATA_OBJECT;
+    // Number of written bytes
+    var numberOfWrittenBytes = !isArray
+        ? buffer.write(key, index, undefined, 'utf8')
+        : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    var startIndex = index;
+    var output = {
+        $ref: value.collection || value.namespace,
+        $id: value.oid
+    };
+    if (value.db != null) {
+        output.$db = value.db;
+    }
+    output = Object.assign(output, value.fields);
+    var endIndex = serializeInto(buffer, output, false, index, depth + 1, serializeFunctions);
+    // Calculate object size
+    var size = endIndex - startIndex;
+    // Write the size
+    buffer[startIndex++] = size & 0xff;
+    buffer[startIndex++] = (size >> 8) & 0xff;
+    buffer[startIndex++] = (size >> 16) & 0xff;
+    buffer[startIndex++] = (size >> 24) & 0xff;
+    // Set index
+    return endIndex;
+}
+function serializeInto(buffer, object, checkKeys, startingIndex, depth, serializeFunctions, ignoreUndefined, path) {
+    if (checkKeys === void 0) { checkKeys = false; }
+    if (startingIndex === void 0) { startingIndex = 0; }
+    if (depth === void 0) { depth = 0; }
+    if (serializeFunctions === void 0) { serializeFunctions = false; }
+    if (ignoreUndefined === void 0) { ignoreUndefined = true; }
+    if (path === void 0) { path = []; }
+    startingIndex = startingIndex || 0;
+    path = path || [];
+    // Push the object to the path
+    path.push(object);
+    // Start place to serialize into
+    var index = startingIndex + 4;
+    // Special case isArray
+    if (Array.isArray(object)) {
+        // Get object keys
+        for (var i = 0; i < object.length; i++) {
+            var key = "".concat(i);
+            var value = object[i];
+            // Is there an override value
+            if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+                value = value.toBSON();
+            }
+            if (typeof value === 'string') {
+                index = serializeString(buffer, key, value, index, true);
+            }
+            else if (typeof value === 'number') {
+                index = serializeNumber(buffer, key, value, index, true);
+            }
+            else if (typeof value === 'bigint') {
+                throw new error_1.BSONTypeError('Unsupported type BigInt, please use Decimal128');
+            }
+            else if (typeof value === 'boolean') {
+                index = serializeBoolean(buffer, key, value, index, true);
+            }
+            else if (value instanceof Date || (0, utils_1.isDate)(value)) {
+                index = serializeDate(buffer, key, value, index, true);
+            }
+            else if (value === undefined) {
+                index = serializeNull(buffer, key, value, index, true);
+            }
+            else if (value === null) {
+                index = serializeNull(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+                index = serializeObjectId(buffer, key, value, index, true);
+            }
+            else if ((0, utils_1.isUint8Array)(value)) {
+                index = serializeBuffer(buffer, key, value, index, true);
+            }
+            else if (value instanceof RegExp || (0, utils_1.isRegExp)(value)) {
+                index = serializeRegExp(buffer, key, value, index, true);
+            }
+            else if (typeof value === 'object' && value['_bsontype'] == null) {
+                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, true, path);
+            }
+            else if (typeof value === 'object' &&
+                (0, extended_json_1.isBSONType)(value) &&
+                value._bsontype === 'Decimal128') {
+                index = serializeDecimal128(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+                index = serializeLong(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'Double') {
+                index = serializeDouble(buffer, key, value, index, true);
+            }
+            else if (typeof value === 'function' && serializeFunctions) {
+                index = serializeFunction(buffer, key, value, index, checkKeys, depth, true);
+            }
+            else if (value['_bsontype'] === 'Code') {
+                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, true);
+            }
+            else if (value['_bsontype'] === 'Binary') {
+                index = serializeBinary(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'Symbol') {
+                index = serializeSymbol(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'DBRef') {
+                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions, true);
+            }
+            else if (value['_bsontype'] === 'BSONRegExp') {
+                index = serializeBSONRegExp(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'Int32') {
+                index = serializeInt32(buffer, key, value, index, true);
+            }
+            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+                index = serializeMinMax(buffer, key, value, index, true);
+            }
+            else if (typeof value['_bsontype'] !== 'undefined') {
+                throw new error_1.BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+            }
+        }
+    }
+    else if (object instanceof map_1.Map || (0, utils_1.isMap)(object)) {
+        var iterator = object.entries();
+        var done = false;
+        while (!done) {
+            // Unpack the next entry
+            var entry = iterator.next();
+            done = !!entry.done;
+            // Are we done, then skip and terminate
+            if (done)
+                continue;
+            // Get the entry values
+            var key = entry.value[0];
+            var value = entry.value[1];
+            // Check the type of the value
+            var type = typeof value;
+            // Check the key and throw error if it's illegal
+            if (typeof key === 'string' && !ignoreKeys.has(key)) {
+                if (key.match(regexp) != null) {
+                    // The BSON spec doesn't allow keys with null bytes because keys are
+                    // null-terminated.
+                    throw Error('key ' + key + ' must not contain null bytes');
+                }
+                if (checkKeys) {
+                    if ('$' === key[0]) {
+                        throw Error('key ' + key + " must not start with '$'");
+                    }
+                    else if (~key.indexOf('.')) {
+                        throw Error('key ' + key + " must not contain '.'");
+                    }
+                }
+            }
+            if (type === 'string') {
+                index = serializeString(buffer, key, value, index);
+            }
+            else if (type === 'number') {
+                index = serializeNumber(buffer, key, value, index);
+            }
+            else if (type === 'bigint' || (0, utils_1.isBigInt64Array)(value) || (0, utils_1.isBigUInt64Array)(value)) {
+                throw new error_1.BSONTypeError('Unsupported type BigInt, please use Decimal128');
+            }
+            else if (type === 'boolean') {
+                index = serializeBoolean(buffer, key, value, index);
+            }
+            else if (value instanceof Date || (0, utils_1.isDate)(value)) {
+                index = serializeDate(buffer, key, value, index);
+            }
+            else if (value === null || (value === undefined && ignoreUndefined === false)) {
+                index = serializeNull(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+                index = serializeObjectId(buffer, key, value, index);
+            }
+            else if ((0, utils_1.isUint8Array)(value)) {
+                index = serializeBuffer(buffer, key, value, index);
+            }
+            else if (value instanceof RegExp || (0, utils_1.isRegExp)(value)) {
+                index = serializeRegExp(buffer, key, value, index);
+            }
+            else if (type === 'object' && value['_bsontype'] == null) {
+                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, false, path);
+            }
+            else if (type === 'object' && value['_bsontype'] === 'Decimal128') {
+                index = serializeDecimal128(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+                index = serializeLong(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Double') {
+                index = serializeDouble(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Code') {
+                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined);
+            }
+            else if (typeof value === 'function' && serializeFunctions) {
+                index = serializeFunction(buffer, key, value, index, checkKeys, depth, serializeFunctions);
+            }
+            else if (value['_bsontype'] === 'Binary') {
+                index = serializeBinary(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Symbol') {
+                index = serializeSymbol(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'DBRef') {
+                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions);
+            }
+            else if (value['_bsontype'] === 'BSONRegExp') {
+                index = serializeBSONRegExp(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Int32') {
+                index = serializeInt32(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+                index = serializeMinMax(buffer, key, value, index);
+            }
+            else if (typeof value['_bsontype'] !== 'undefined') {
+                throw new error_1.BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+            }
+        }
+    }
+    else {
+        if (typeof (object === null || object === void 0 ? void 0 : object.toBSON) === 'function') {
+            // Provided a custom serialization method
+            object = object.toBSON();
+            if (object != null && typeof object !== 'object') {
+                throw new error_1.BSONTypeError('toBSON function did not return an object');
+            }
+        }
+        // Iterate over all the keys
+        for (var key in object) {
+            var value = object[key];
+            // Is there an override value
+            if (typeof (value === null || value === void 0 ? void 0 : value.toBSON) === 'function') {
+                value = value.toBSON();
+            }
+            // Check the type of the value
+            var type = typeof value;
+            // Check the key and throw error if it's illegal
+            if (typeof key === 'string' && !ignoreKeys.has(key)) {
+                if (key.match(regexp) != null) {
+                    // The BSON spec doesn't allow keys with null bytes because keys are
+                    // null-terminated.
+                    throw Error('key ' + key + ' must not contain null bytes');
+                }
+                if (checkKeys) {
+                    if ('$' === key[0]) {
+                        throw Error('key ' + key + " must not start with '$'");
+                    }
+                    else if (~key.indexOf('.')) {
+                        throw Error('key ' + key + " must not contain '.'");
+                    }
+                }
+            }
+            if (type === 'string') {
+                index = serializeString(buffer, key, value, index);
+            }
+            else if (type === 'number') {
+                index = serializeNumber(buffer, key, value, index);
+            }
+            else if (type === 'bigint') {
+                throw new error_1.BSONTypeError('Unsupported type BigInt, please use Decimal128');
+            }
+            else if (type === 'boolean') {
+                index = serializeBoolean(buffer, key, value, index);
+            }
+            else if (value instanceof Date || (0, utils_1.isDate)(value)) {
+                index = serializeDate(buffer, key, value, index);
+            }
+            else if (value === undefined) {
+                if (ignoreUndefined === false)
+                    index = serializeNull(buffer, key, value, index);
+            }
+            else if (value === null) {
+                index = serializeNull(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+                index = serializeObjectId(buffer, key, value, index);
+            }
+            else if ((0, utils_1.isUint8Array)(value)) {
+                index = serializeBuffer(buffer, key, value, index);
+            }
+            else if (value instanceof RegExp || (0, utils_1.isRegExp)(value)) {
+                index = serializeRegExp(buffer, key, value, index);
+            }
+            else if (type === 'object' && value['_bsontype'] == null) {
+                index = serializeObject(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined, false, path);
+            }
+            else if (type === 'object' && value['_bsontype'] === 'Decimal128') {
+                index = serializeDecimal128(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+                index = serializeLong(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Double') {
+                index = serializeDouble(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Code') {
+                index = serializeCode(buffer, key, value, index, checkKeys, depth, serializeFunctions, ignoreUndefined);
+            }
+            else if (typeof value === 'function' && serializeFunctions) {
+                index = serializeFunction(buffer, key, value, index, checkKeys, depth, serializeFunctions);
+            }
+            else if (value['_bsontype'] === 'Binary') {
+                index = serializeBinary(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Symbol') {
+                index = serializeSymbol(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'DBRef') {
+                index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions);
+            }
+            else if (value['_bsontype'] === 'BSONRegExp') {
+                index = serializeBSONRegExp(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'Int32') {
+                index = serializeInt32(buffer, key, value, index);
+            }
+            else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+                index = serializeMinMax(buffer, key, value, index);
+            }
+            else if (typeof value['_bsontype'] !== 'undefined') {
+                throw new error_1.BSONTypeError("Unrecognized or invalid _bsontype: ".concat(String(value['_bsontype'])));
+            }
+        }
+    }
+    // Remove the path
+    path.pop();
+    // Final padding byte for object
+    buffer[index++] = 0x00;
+    // Final size
+    var size = index - startingIndex;
+    // Write the size of the object
+    buffer[startingIndex++] = size & 0xff;
+    buffer[startingIndex++] = (size >> 8) & 0xff;
+    buffer[startingIndex++] = (size >> 16) & 0xff;
+    buffer[startingIndex++] = (size >> 24) & 0xff;
+    return index;
+}
+exports.serializeInto = serializeInto;
+//# sourceMappingURL=serializer.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/parser/serializer.js.map b/node_modules/bson/lib/parser/serializer.js.map
new file mode 100644
index 000000000..3261fd40f
--- /dev/null
+++ b/node_modules/bson/lib/parser/serializer.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/bson/lib/parser/utils.js b/node_modules/bson/lib/parser/utils.js
new file mode 100644
index 000000000..94e8b5fc5
--- /dev/null
+++ b/node_modules/bson/lib/parser/utils.js
@@ -0,0 +1,115 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.deprecate = exports.isObjectLike = exports.isDate = exports.haveBuffer = exports.isMap = exports.isRegExp = exports.isBigUInt64Array = exports.isBigInt64Array = exports.isUint8Array = exports.isAnyArrayBuffer = exports.randomBytes = exports.normalizedFunctionString = void 0;
+var buffer_1 = require("buffer");
+var global_1 = require("../utils/global");
+/**
+ * Normalizes our expected stringified form of a function across versions of node
+ * @param fn - The function to stringify
+ */
+function normalizedFunctionString(fn) {
+    return fn.toString().replace('function(', 'function (');
+}
+exports.normalizedFunctionString = normalizedFunctionString;
+function isReactNative() {
+    var g = (0, global_1.getGlobal)();
+    return typeof g.navigator === 'object' && g.navigator.product === 'ReactNative';
+}
+var insecureRandomBytes = function insecureRandomBytes(size) {
+    var insecureWarning = isReactNative()
+        ? 'BSON: For React Native please polyfill crypto.getRandomValues, e.g. using: https://www.npmjs.com/package/react-native-get-random-values.'
+        : 'BSON: No cryptographic implementation for random bytes present, falling back to a less secure implementation.';
+    console.warn(insecureWarning);
+    var result = buffer_1.Buffer.alloc(size);
+    for (var i = 0; i < size; ++i)
+        result[i] = Math.floor(Math.random() * 256);
+    return result;
+};
+var detectRandomBytes = function () {
+    if (process.browser) {
+        if (typeof window !== 'undefined') {
+            // browser crypto implementation(s)
+            var target_1 = window.crypto || window.msCrypto; // allow for IE11
+            if (target_1 && target_1.getRandomValues) {
+                return function (size) { return target_1.getRandomValues(buffer_1.Buffer.alloc(size)); };
+            }
+        }
+        if (typeof global !== 'undefined' && global.crypto && global.crypto.getRandomValues) {
+            // allow for RN packages such as https://www.npmjs.com/package/react-native-get-random-values to populate global
+            return function (size) { return global.crypto.getRandomValues(buffer_1.Buffer.alloc(size)); };
+        }
+        return insecureRandomBytes;
+    }
+    else {
+        var requiredRandomBytes = void 0;
+        try {
+            requiredRandomBytes = require('crypto').randomBytes;
+        }
+        catch (e) {
+            // keep the fallback
+        }
+        // NOTE: in transpiled cases the above require might return null/undefined
+        return requiredRandomBytes || insecureRandomBytes;
+    }
+};
+exports.randomBytes = detectRandomBytes();
+function isAnyArrayBuffer(value) {
+    return ['[object ArrayBuffer]', '[object SharedArrayBuffer]'].includes(Object.prototype.toString.call(value));
+}
+exports.isAnyArrayBuffer = isAnyArrayBuffer;
+function isUint8Array(value) {
+    return Object.prototype.toString.call(value) === '[object Uint8Array]';
+}
+exports.isUint8Array = isUint8Array;
+function isBigInt64Array(value) {
+    return Object.prototype.toString.call(value) === '[object BigInt64Array]';
+}
+exports.isBigInt64Array = isBigInt64Array;
+function isBigUInt64Array(value) {
+    return Object.prototype.toString.call(value) === '[object BigUint64Array]';
+}
+exports.isBigUInt64Array = isBigUInt64Array;
+function isRegExp(d) {
+    return Object.prototype.toString.call(d) === '[object RegExp]';
+}
+exports.isRegExp = isRegExp;
+function isMap(d) {
+    return Object.prototype.toString.call(d) === '[object Map]';
+}
+exports.isMap = isMap;
+/** Call to check if your environment has `Buffer` */
+function haveBuffer() {
+    return typeof global !== 'undefined' && typeof global.Buffer !== 'undefined';
+}
+exports.haveBuffer = haveBuffer;
+// To ensure that 0.4 of node works correctly
+function isDate(d) {
+    return isObjectLike(d) && Object.prototype.toString.call(d) === '[object Date]';
+}
+exports.isDate = isDate;
+/**
+ * @internal
+ * this is to solve the `'someKey' in x` problem where x is unknown.
+ * https://github.com/typescript-eslint/typescript-eslint/issues/1071#issuecomment-541955753
+ */
+function isObjectLike(candidate) {
+    return typeof candidate === 'object' && candidate !== null;
+}
+exports.isObjectLike = isObjectLike;
+function deprecate(fn, message) {
+    var warned = false;
+    function deprecated() {
+        var args = [];
+        for (var _i = 0; _i < arguments.length; _i++) {
+            args[_i] = arguments[_i];
+        }
+        if (!warned) {
+            console.warn(message);
+            warned = true;
+        }
+        return fn.apply(this, args);
+    }
+    return deprecated;
+}
+exports.deprecate = deprecate;
+//# sourceMappingURL=utils.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/parser/utils.js.map b/node_modules/bson/lib/parser/utils.js.map
new file mode 100644
index 000000000..6eba4a9bd
--- /dev/null
+++ b/node_modules/bson/lib/parser/utils.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"utils.js","sourceRoot":"","sources":["../../src/parser/utils.ts"],"names":[],"mappings":";;;AAAA,iCAAgC;AAChC,0CAA4C;AAI5C;;;GAGG;AACH,SAAgB,wBAAwB,CAAC,EAAY;IACnD,OAAO,EAAE,CAAC,QAAQ,EAAE,CAAC,OAAO,CAAC,WAAW,EAAE,YAAY,CAAC,CAAC;AAC1D,CAAC;AAFD,4DAEC;AAED,SAAS,aAAa;IACpB,IAAM,CAAC,GAAG,IAAA,kBAAS,GAAwC,CAAC;IAC5D,OAAO,OAAO,CAAC,CAAC,SAAS,KAAK,QAAQ,IAAI,CAAC,CAAC,SAAS,CAAC,OAAO,KAAK,aAAa,CAAC;AAClF,CAAC;AAED,IAAM,mBAAmB,GAAwB,SAAS,mBAAmB,CAAC,IAAY;IACxF,IAAM,eAAe,GAAG,aAAa,EAAE;QACrC,CAAC,CAAC,0IAA0I;QAC5I,CAAC,CAAC,+GAA+G,CAAC;IACpH,OAAO,CAAC,IAAI,CAAC,eAAe,CAAC,CAAC;IAE9B,IAAM,MAAM,GAAG,eAAM,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC;IAClC,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,EAAE,EAAE,CAAC;QAAE,MAAM,CAAC,CAAC,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,MAAM,EAAE,GAAG,GAAG,CAAC,CAAC;IAC3E,OAAO,MAAM,CAAC;AAChB,CAAC,CAAC;AAWF,IAAM,iBAAiB,GAAG;IACxB,IAAI,OAAO,CAAC,OAAO,EAAE;QACnB,IAAI,OAAO,MAAM,KAAK,WAAW,EAAE;YACjC,mCAAmC;YACnC,IAAM,QAAM,GAAG,MAAM,CAAC,MAAM,IAAI,MAAM,CAAC,QAAQ,CAAC,CAAC,iBAAiB;YAClE,IAAI,QAAM,IAAI,QAAM,CAAC,eAAe,EAAE;gBACpC,OAAO,UAAA,IAAI,IAAI,OAAA,QAAM,CAAC,eAAe,CAAC,eAAM,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC,EAA1C,CAA0C,CAAC;aAC3D;SACF;QAED,IAAI,OAAO,MAAM,KAAK,WAAW,IAAI,MAAM,CAAC,MAAM,IAAI,MAAM,CAAC,MAAM,CAAC,eAAe,EAAE;YACnF,gHAAgH;YAChH,OAAO,UAAA,IAAI,IAAI,OAAA,MAAM,CAAC,MAAM,CAAC,eAAe,CAAC,eAAM,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC,EAAjD,CAAiD,CAAC;SAClE;QAED,OAAO,mBAAmB,CAAC;KAC5B;SAAM;QACL,IAAI,mBAAmB,SAAwC,CAAC;QAChE,IAAI;YACF,mBAAmB,GAAG,OAAO,CAAC,QAAQ,CAAC,CAAC,WAAW,CAAC;SACrD;QAAC,OAAO,CAAC,EAAE;YACV,oBAAoB;SACrB;QAED,0EAA0E;QAE1E,OAAO,mBAAmB,IAAI,mBAAmB,CAAC;KACnD;AACH,CAAC,CAAC;AAEW,QAAA,WAAW,GAAG,iBAAiB,EAAE,CAAC;AAE/C,SAAgB,gBAAgB,CAAC,KAAc;IAC7C,OAAO,CAAC,sBAAsB,EAAE,4BAA4B,CAAC,CAAC,QAAQ,CACpE,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,KAAK,CAAC,CACtC,CAAC;AACJ,CAAC;AAJD,4CAIC;AAED,SAAgB,YAAY,CAAC,KAAc;IACzC,OAAO,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,KAAK,CAAC,KAAK,qBAAqB,CAAC;AACzE,CAAC;AAFD,oCAEC;AAED,SAAgB,eAAe,CAAC,KAAc;IAC5C,OAAO,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,KAAK,CAAC,KAAK,wBAAwB,CAAC;AAC5E,CAAC;AAFD,0CAEC;AAED,SAAgB,gBAAgB,CAAC,KAAc;IAC7C,OAAO,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,KAAK,CAAC,KAAK,yBAAyB,CAAC;AAC7E,CAAC;AAFD,4CAEC;AAED,SAAgB,QAAQ,CAAC,CAAU;IACjC,OAAO,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC,CAAC,KAAK,iBAAiB,CAAC;AACjE,CAAC;AAFD,4BAEC;AAED,SAAgB,KAAK,CAAC,CAAU;IAC9B,OAAO,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC,CAAC,KAAK,cAAc,CAAC;AAC9D,CAAC;AAFD,sBAEC;AAED,qDAAqD;AACrD,SAAgB,UAAU;IACxB,OAAO,OAAO,MAAM,KAAK,WAAW,IAAI,OAAO,MAAM,CAAC,MAAM,KAAK,WAAW,CAAC;AAC/E,CAAC;AAFD,gCAEC;AAED,6CAA6C;AAC7C,SAAgB,MAAM,CAAC,CAAU;IAC/B,OAAO,YAAY,CAAC,CAAC,CAAC,IAAI,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC,CAAC,KAAK,eAAe,CAAC;AAClF,CAAC;AAFD,wBAEC;AAED;;;;GAIG;AACH,SAAgB,YAAY,CAAC,SAAkB;IAC7C,OAAO,OAAO,SAAS,KAAK,QAAQ,IAAI,SAAS,KAAK,IAAI,CAAC;AAC7D,CAAC;AAFD,oCAEC;AAGD,SAAgB,SAAS,CAAqB,EAAK,EAAE,OAAe;IAClE,IAAI,MAAM,GAAG,KAAK,CAAC;IACnB,SAAS,UAAU;QAAgB,cAAkB;aAAlB,UAAkB,EAAlB,qBAAkB,EAAlB,IAAkB;YAAlB,yBAAkB;;QACnD,IAAI,CAAC,MAAM,EAAE;YACX,OAAO,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;YACtB,MAAM,GAAG,IAAI,CAAC;SACf;QACD,OAAO,EAAE,CAAC,KAAK,CAAC,IAAI,EAAE,IAAI,CAAC,CAAC;IAC9B,CAAC;IACD,OAAO,UAA0B,CAAC;AACpC,CAAC;AAVD,8BAUC"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/regexp.js b/node_modules/bson/lib/regexp.js
new file mode 100644
index 000000000..bc1f230cc
--- /dev/null
+++ b/node_modules/bson/lib/regexp.js
@@ -0,0 +1,74 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.BSONRegExp = void 0;
+var error_1 = require("./error");
+function alphabetize(str) {
+    return str.split('').sort().join('');
+}
+/**
+ * A class representation of the BSON RegExp type.
+ * @public
+ * @category BSONType
+ */
+var BSONRegExp = /** @class */ (function () {
+    /**
+     * @param pattern - The regular expression pattern to match
+     * @param options - The regular expression options
+     */
+    function BSONRegExp(pattern, options) {
+        if (!(this instanceof BSONRegExp))
+            return new BSONRegExp(pattern, options);
+        this.pattern = pattern;
+        this.options = alphabetize(options !== null && options !== void 0 ? options : '');
+        if (this.pattern.indexOf('\x00') !== -1) {
+            throw new error_1.BSONError("BSON Regex patterns cannot contain null bytes, found: ".concat(JSON.stringify(this.pattern)));
+        }
+        if (this.options.indexOf('\x00') !== -1) {
+            throw new error_1.BSONError("BSON Regex options cannot contain null bytes, found: ".concat(JSON.stringify(this.options)));
+        }
+        // Validate options
+        for (var i = 0; i < this.options.length; i++) {
+            if (!(this.options[i] === 'i' ||
+                this.options[i] === 'm' ||
+                this.options[i] === 'x' ||
+                this.options[i] === 'l' ||
+                this.options[i] === 's' ||
+                this.options[i] === 'u')) {
+                throw new error_1.BSONError("The regular expression option [".concat(this.options[i], "] is not supported"));
+            }
+        }
+    }
+    BSONRegExp.parseOptions = function (options) {
+        return options ? options.split('').sort().join('') : '';
+    };
+    /** @internal */
+    BSONRegExp.prototype.toExtendedJSON = function (options) {
+        options = options || {};
+        if (options.legacy) {
+            return { $regex: this.pattern, $options: this.options };
+        }
+        return { $regularExpression: { pattern: this.pattern, options: this.options } };
+    };
+    /** @internal */
+    BSONRegExp.fromExtendedJSON = function (doc) {
+        if ('$regex' in doc) {
+            if (typeof doc.$regex !== 'string') {
+                // This is for $regex query operators that have extended json values.
+                if (doc.$regex._bsontype === 'BSONRegExp') {
+                    return doc;
+                }
+            }
+            else {
+                return new BSONRegExp(doc.$regex, BSONRegExp.parseOptions(doc.$options));
+            }
+        }
+        if ('$regularExpression' in doc) {
+            return new BSONRegExp(doc.$regularExpression.pattern, BSONRegExp.parseOptions(doc.$regularExpression.options));
+        }
+        throw new error_1.BSONTypeError("Unexpected BSONRegExp EJSON object form: ".concat(JSON.stringify(doc)));
+    };
+    return BSONRegExp;
+}());
+exports.BSONRegExp = BSONRegExp;
+Object.defineProperty(BSONRegExp.prototype, '_bsontype', { value: 'BSONRegExp' });
+//# sourceMappingURL=regexp.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/regexp.js.map b/node_modules/bson/lib/regexp.js.map
new file mode 100644
index 000000000..134381759
--- /dev/null
+++ b/node_modules/bson/lib/regexp.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"regexp.js","sourceRoot":"","sources":["../src/regexp.ts"],"names":[],"mappings":";;;AAAA,iCAAmD;AAGnD,SAAS,WAAW,CAAC,GAAW;IAC9B,OAAO,GAAG,CAAC,KAAK,CAAC,EAAE,CAAC,CAAC,IAAI,EAAE,CAAC,IAAI,CAAC,EAAE,CAAC,CAAC;AACvC,CAAC;AAgBD;;;;GAIG;AACH;IAKE;;;OAGG;IACH,oBAAY,OAAe,EAAE,OAAgB;QAC3C,IAAI,CAAC,CAAC,IAAI,YAAY,UAAU,CAAC;YAAE,OAAO,IAAI,UAAU,CAAC,OAAO,EAAE,OAAO,CAAC,CAAC;QAE3E,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,OAAO,GAAG,WAAW,CAAC,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC,CAAC;QAE1C,IAAI,IAAI,CAAC,OAAO,CAAC,OAAO,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC,EAAE;YACvC,MAAM,IAAI,iBAAS,CACjB,gEAAyD,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,OAAO,CAAC,CAAE,CACxF,CAAC;SACH;QACD,IAAI,IAAI,CAAC,OAAO,CAAC,OAAO,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC,EAAE;YACvC,MAAM,IAAI,iBAAS,CACjB,+DAAwD,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,OAAO,CAAC,CAAE,CACvF,CAAC;SACH;QAED,mBAAmB;QACnB,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,OAAO,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;YAC5C,IACE,CAAC,CACC,IAAI,CAAC,OAAO,CAAC,CAAC,CAAC,KAAK,GAAG;gBACvB,IAAI,CAAC,OAAO,CAAC,CAAC,CAAC,KAAK,GAAG;gBACvB,IAAI,CAAC,OAAO,CAAC,CAAC,CAAC,KAAK,GAAG;gBACvB,IAAI,CAAC,OAAO,CAAC,CAAC,CAAC,KAAK,GAAG;gBACvB,IAAI,CAAC,OAAO,CAAC,CAAC,CAAC,KAAK,GAAG;gBACvB,IAAI,CAAC,OAAO,CAAC,CAAC,CAAC,KAAK,GAAG,CACxB,EACD;gBACA,MAAM,IAAI,iBAAS,CAAC,yCAAkC,IAAI,CAAC,OAAO,CAAC,CAAC,CAAC,uBAAoB,CAAC,CAAC;aAC5F;SACF;IACH,CAAC;IAEM,uBAAY,GAAnB,UAAoB,OAAgB;QAClC,OAAO,OAAO,CAAC,CAAC,CAAC,OAAO,CAAC,KAAK,CAAC,EAAE,CAAC,CAAC,IAAI,EAAE,CAAC,IAAI,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC;IAC1D,CAAC;IAED,gBAAgB;IAChB,mCAAc,GAAd,UAAe,OAAsB;QACnC,OAAO,GAAG,OAAO,IAAI,EAAE,CAAC;QACxB,IAAI,OAAO,CAAC,MAAM,EAAE;YAClB,OAAO,EAAE,MAAM,EAAE,IAAI,CAAC,OAAO,EAAE,QAAQ,EAAE,IAAI,CAAC,OAAO,EAAE,CAAC;SACzD;QACD,OAAO,EAAE,kBAAkB,EAAE,EAAE,OAAO,EAAE,IAAI,CAAC,OAAO,EAAE,OAAO,EAAE,IAAI,CAAC,OAAO,EAAE,EAAE,CAAC;IAClF,CAAC;IAED,gBAAgB;IACT,2BAAgB,GAAvB,UAAwB,GAAkD;QACxE,IAAI,QAAQ,IAAI,GAAG,EAAE;YACnB,IAAI,OAAO,GAAG,CAAC,MAAM,KAAK,QAAQ,EAAE;gBAClC,qEAAqE;gBACrE,IAAI,GAAG,CAAC,MAAM,CAAC,SAAS,KAAK,YAAY,EAAE;oBACzC,OAAO,GAA4B,CAAC;iBACrC;aACF;iBAAM;gBACL,OAAO,IAAI,UAAU,CAAC,GAAG,CAAC,MAAM,EAAE,UAAU,CAAC,YAAY,CAAC,GAAG,CAAC,QAAQ,CAAC,CAAC,CAAC;aAC1E;SACF;QACD,IAAI,oBAAoB,IAAI,GAAG,EAAE;YAC/B,OAAO,IAAI,UAAU,CACnB,GAAG,CAAC,kBAAkB,CAAC,OAAO,EAC9B,UAAU,CAAC,YAAY,CAAC,GAAG,CAAC,kBAAkB,CAAC,OAAO,CAAC,CACxD,CAAC;SACH;QACD,MAAM,IAAI,qBAAa,CAAC,mDAA4C,IAAI,CAAC,SAAS,CAAC,GAAG,CAAC,CAAE,CAAC,CAAC;IAC7F,CAAC;IACH,iBAAC;AAAD,CAAC,AA5ED,IA4EC;AA5EY,gCAAU;AA8EvB,MAAM,CAAC,cAAc,CAAC,UAAU,CAAC,SAAS,EAAE,WAAW,EAAE,EAAE,KAAK,EAAE,YAAY,EAAE,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/symbol.js b/node_modules/bson/lib/symbol.js
new file mode 100644
index 000000000..cad93173f
--- /dev/null
+++ b/node_modules/bson/lib/symbol.js
@@ -0,0 +1,48 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.BSONSymbol = void 0;
+/**
+ * A class representation of the BSON Symbol type.
+ * @public
+ * @category BSONType
+ */
+var BSONSymbol = /** @class */ (function () {
+    /**
+     * @param value - the string representing the symbol.
+     */
+    function BSONSymbol(value) {
+        if (!(this instanceof BSONSymbol))
+            return new BSONSymbol(value);
+        this.value = value;
+    }
+    /** Access the wrapped string value. */
+    BSONSymbol.prototype.valueOf = function () {
+        return this.value;
+    };
+    BSONSymbol.prototype.toString = function () {
+        return this.value;
+    };
+    /** @internal */
+    BSONSymbol.prototype.inspect = function () {
+        return "new BSONSymbol(\"".concat(this.value, "\")");
+    };
+    BSONSymbol.prototype.toJSON = function () {
+        return this.value;
+    };
+    /** @internal */
+    BSONSymbol.prototype.toExtendedJSON = function () {
+        return { $symbol: this.value };
+    };
+    /** @internal */
+    BSONSymbol.fromExtendedJSON = function (doc) {
+        return new BSONSymbol(doc.$symbol);
+    };
+    /** @internal */
+    BSONSymbol.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    return BSONSymbol;
+}());
+exports.BSONSymbol = BSONSymbol;
+Object.defineProperty(BSONSymbol.prototype, '_bsontype', { value: 'Symbol' });
+//# sourceMappingURL=symbol.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/symbol.js.map b/node_modules/bson/lib/symbol.js.map
new file mode 100644
index 000000000..3662444d7
--- /dev/null
+++ b/node_modules/bson/lib/symbol.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"symbol.js","sourceRoot":"","sources":["../src/symbol.ts"],"names":[],"mappings":";;;AAKA;;;;GAIG;AACH;IAIE;;OAEG;IACH,oBAAY,KAAa;QACvB,IAAI,CAAC,CAAC,IAAI,YAAY,UAAU,CAAC;YAAE,OAAO,IAAI,UAAU,CAAC,KAAK,CAAC,CAAC;QAEhE,IAAI,CAAC,KAAK,GAAG,KAAK,CAAC;IACrB,CAAC;IAED,uCAAuC;IACvC,4BAAO,GAAP;QACE,OAAO,IAAI,CAAC,KAAK,CAAC;IACpB,CAAC;IAED,6BAAQ,GAAR;QACE,OAAO,IAAI,CAAC,KAAK,CAAC;IACpB,CAAC;IAED,gBAAgB;IAChB,4BAAO,GAAP;QACE,OAAO,2BAAmB,IAAI,CAAC,KAAK,QAAI,CAAC;IAC3C,CAAC;IAED,2BAAM,GAAN;QACE,OAAO,IAAI,CAAC,KAAK,CAAC;IACpB,CAAC;IAED,gBAAgB;IAChB,mCAAc,GAAd;QACE,OAAO,EAAE,OAAO,EAAE,IAAI,CAAC,KAAK,EAAE,CAAC;IACjC,CAAC;IAED,gBAAgB;IACT,2BAAgB,GAAvB,UAAwB,GAAuB;QAC7C,OAAO,IAAI,UAAU,CAAC,GAAG,CAAC,OAAO,CAAC,CAAC;IACrC,CAAC;IAED,gBAAgB;IAChB,qBAAC,MAAM,CAAC,GAAG,CAAC,4BAA4B,CAAC,CAAC,GAA1C;QACE,OAAO,IAAI,CAAC,OAAO,EAAE,CAAC;IACxB,CAAC;IACH,iBAAC;AAAD,CAAC,AA7CD,IA6CC;AA7CY,gCAAU;AA+CvB,MAAM,CAAC,cAAc,CAAC,UAAU,CAAC,SAAS,EAAE,WAAW,EAAE,EAAE,KAAK,EAAE,QAAQ,EAAE,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/timestamp.js b/node_modules/bson/lib/timestamp.js
new file mode 100644
index 000000000..a3a8417c2
--- /dev/null
+++ b/node_modules/bson/lib/timestamp.js
@@ -0,0 +1,102 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Timestamp = exports.LongWithoutOverridesClass = void 0;
+var long_1 = require("./long");
+var utils_1 = require("./parser/utils");
+/** @public */
+exports.LongWithoutOverridesClass = long_1.Long;
+/**
+ * @public
+ * @category BSONType
+ * */
+var Timestamp = /** @class */ (function (_super) {
+    __extends(Timestamp, _super);
+    function Timestamp(low, high) {
+        var _this = this;
+        // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+        // @ts-expect-error
+        if (!(_this instanceof Timestamp))
+            return new Timestamp(low, high);
+        if (long_1.Long.isLong(low)) {
+            _this = _super.call(this, low.low, low.high, true) || this;
+        }
+        else if ((0, utils_1.isObjectLike)(low) && typeof low.t !== 'undefined' && typeof low.i !== 'undefined') {
+            _this = _super.call(this, low.i, low.t, true) || this;
+        }
+        else {
+            _this = _super.call(this, low, high, true) || this;
+        }
+        Object.defineProperty(_this, '_bsontype', {
+            value: 'Timestamp',
+            writable: false,
+            configurable: false,
+            enumerable: false
+        });
+        return _this;
+    }
+    Timestamp.prototype.toJSON = function () {
+        return {
+            $timestamp: this.toString()
+        };
+    };
+    /** Returns a Timestamp represented by the given (32-bit) integer value. */
+    Timestamp.fromInt = function (value) {
+        return new Timestamp(long_1.Long.fromInt(value, true));
+    };
+    /** Returns a Timestamp representing the given number value, provided that it is a finite number. Otherwise, zero is returned. */
+    Timestamp.fromNumber = function (value) {
+        return new Timestamp(long_1.Long.fromNumber(value, true));
+    };
+    /**
+     * Returns a Timestamp for the given high and low bits. Each is assumed to use 32 bits.
+     *
+     * @param lowBits - the low 32-bits.
+     * @param highBits - the high 32-bits.
+     */
+    Timestamp.fromBits = function (lowBits, highBits) {
+        return new Timestamp(lowBits, highBits);
+    };
+    /**
+     * Returns a Timestamp from the given string, optionally using the given radix.
+     *
+     * @param str - the textual representation of the Timestamp.
+     * @param optRadix - the radix in which the text is written.
+     */
+    Timestamp.fromString = function (str, optRadix) {
+        return new Timestamp(long_1.Long.fromString(str, true, optRadix));
+    };
+    /** @internal */
+    Timestamp.prototype.toExtendedJSON = function () {
+        return { $timestamp: { t: this.high >>> 0, i: this.low >>> 0 } };
+    };
+    /** @internal */
+    Timestamp.fromExtendedJSON = function (doc) {
+        return new Timestamp(doc.$timestamp);
+    };
+    /** @internal */
+    Timestamp.prototype[Symbol.for('nodejs.util.inspect.custom')] = function () {
+        return this.inspect();
+    };
+    Timestamp.prototype.inspect = function () {
+        return "new Timestamp({ t: ".concat(this.getHighBits(), ", i: ").concat(this.getLowBits(), " })");
+    };
+    Timestamp.MAX_VALUE = long_1.Long.MAX_UNSIGNED_VALUE;
+    return Timestamp;
+}(exports.LongWithoutOverridesClass));
+exports.Timestamp = Timestamp;
+//# sourceMappingURL=timestamp.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/timestamp.js.map b/node_modules/bson/lib/timestamp.js.map
new file mode 100644
index 000000000..e1a8bef95
--- /dev/null
+++ b/node_modules/bson/lib/timestamp.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"timestamp.js","sourceRoot":"","sources":["../src/timestamp.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;AAAA,+BAA8B;AAC9B,wCAA8C;AAQ9C,cAAc;AACD,QAAA,yBAAyB,GACpC,WAAuC,CAAC;AAU1C;;;KAGK;AACL;IAA+B,6BAAyB;IAmBtD,mBAAY,GAA6C,EAAE,IAAa;QAAxE,iBAkBC;QAjBC,6DAA6D;QAC7D,mBAAmB;QACnB,IAAI,CAAC,CAAC,KAAI,YAAY,SAAS,CAAC;YAAE,OAAO,IAAI,SAAS,CAAC,GAAG,EAAE,IAAI,CAAC,CAAC;QAElE,IAAI,WAAI,CAAC,MAAM,CAAC,GAAG,CAAC,EAAE;YACpB,QAAA,kBAAM,GAAG,CAAC,GAAG,EAAE,GAAG,CAAC,IAAI,EAAE,IAAI,CAAC,SAAC;SAChC;aAAM,IAAI,IAAA,oBAAY,EAAC,GAAG,CAAC,IAAI,OAAO,GAAG,CAAC,CAAC,KAAK,WAAW,IAAI,OAAO,GAAG,CAAC,CAAC,KAAK,WAAW,EAAE;YAC5F,QAAA,kBAAM,GAAG,CAAC,CAAC,EAAE,GAAG,CAAC,CAAC,EAAE,IAAI,CAAC,SAAC;SAC3B;aAAM;YACL,QAAA,kBAAM,GAAG,EAAE,IAAI,EAAE,IAAI,CAAC,SAAC;SACxB;QACD,MAAM,CAAC,cAAc,CAAC,KAAI,EAAE,WAAW,EAAE;YACvC,KAAK,EAAE,WAAW;YAClB,QAAQ,EAAE,KAAK;YACf,YAAY,EAAE,KAAK;YACnB,UAAU,EAAE,KAAK;SAClB,CAAC,CAAC;;IACL,CAAC;IAED,0BAAM,GAAN;QACE,OAAO;YACL,UAAU,EAAE,IAAI,CAAC,QAAQ,EAAE;SAC5B,CAAC;IACJ,CAAC;IAED,2EAA2E;IACpE,iBAAO,GAAd,UAAe,KAAa;QAC1B,OAAO,IAAI,SAAS,CAAC,WAAI,CAAC,OAAO,CAAC,KAAK,EAAE,IAAI,CAAC,CAAC,CAAC;IAClD,CAAC;IAED,iIAAiI;IAC1H,oBAAU,GAAjB,UAAkB,KAAa;QAC7B,OAAO,IAAI,SAAS,CAAC,WAAI,CAAC,UAAU,CAAC,KAAK,EAAE,IAAI,CAAC,CAAC,CAAC;IACrD,CAAC;IAED;;;;;OAKG;IACI,kBAAQ,GAAf,UAAgB,OAAe,EAAE,QAAgB;QAC/C,OAAO,IAAI,SAAS,CAAC,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC1C,CAAC;IAED;;;;;OAKG;IACI,oBAAU,GAAjB,UAAkB,GAAW,EAAE,QAAgB;QAC7C,OAAO,IAAI,SAAS,CAAC,WAAI,CAAC,UAAU,CAAC,GAAG,EAAE,IAAI,EAAE,QAAQ,CAAC,CAAC,CAAC;IAC7D,CAAC;IAED,gBAAgB;IAChB,kCAAc,GAAd;QACE,OAAO,EAAE,UAAU,EAAE,EAAE,CAAC,EAAE,IAAI,CAAC,IAAI,KAAK,CAAC,EAAE,CAAC,EAAE,IAAI,CAAC,GAAG,KAAK,CAAC,EAAE,EAAE,CAAC;IACnE,CAAC;IAED,gBAAgB;IACT,0BAAgB,GAAvB,UAAwB,GAAsB;QAC5C,OAAO,IAAI,SAAS,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC;IACvC,CAAC;IAED,gBAAgB;IAChB,oBAAC,MAAM,CAAC,GAAG,CAAC,4BAA4B,CAAC,CAAC,GAA1C;QACE,OAAO,IAAI,CAAC,OAAO,EAAE,CAAC;IACxB,CAAC;IAED,2BAAO,GAAP;QACE,OAAO,6BAAsB,IAAI,CAAC,WAAW,EAAE,kBAAQ,IAAI,CAAC,UAAU,EAAE,QAAK,CAAC;IAChF,CAAC;IAzFe,mBAAS,GAAG,WAAI,CAAC,kBAAkB,CAAC;IA0FtD,gBAAC;CAAA,AA7FD,CAA+B,iCAAyB,GA6FvD;AA7FY,8BAAS"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/utils/global.js b/node_modules/bson/lib/utils/global.js
new file mode 100644
index 000000000..f4bf44405
--- /dev/null
+++ b/node_modules/bson/lib/utils/global.js
@@ -0,0 +1,18 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getGlobal = void 0;
+function checkForMath(potentialGlobal) {
+    // eslint-disable-next-line eqeqeq
+    return potentialGlobal && potentialGlobal.Math == Math && potentialGlobal;
+}
+// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
+function getGlobal() {
+    return (checkForMath(typeof globalThis === 'object' && globalThis) ||
+        checkForMath(typeof window === 'object' && window) ||
+        checkForMath(typeof self === 'object' && self) ||
+        checkForMath(typeof global === 'object' && global) ||
+        // eslint-disable-next-line @typescript-eslint/no-implied-eval
+        Function('return this')());
+}
+exports.getGlobal = getGlobal;
+//# sourceMappingURL=global.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/utils/global.js.map b/node_modules/bson/lib/utils/global.js.map
new file mode 100644
index 000000000..9d4ad7995
--- /dev/null
+++ b/node_modules/bson/lib/utils/global.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"global.js","sourceRoot":"","sources":["../../src/utils/global.ts"],"names":[],"mappings":";;;AAMA,SAAS,YAAY,CAAC,eAAoB;IACxC,kCAAkC;IAClC,OAAO,eAAe,IAAI,eAAe,CAAC,IAAI,IAAI,IAAI,IAAI,eAAe,CAAC;AAC5E,CAAC;AAED,uEAAuE;AACvE,SAAgB,SAAS;IACvB,OAAO,CACL,YAAY,CAAC,OAAO,UAAU,KAAK,QAAQ,IAAI,UAAU,CAAC;QAC1D,YAAY,CAAC,OAAO,MAAM,KAAK,QAAQ,IAAI,MAAM,CAAC;QAClD,YAAY,CAAC,OAAO,IAAI,KAAK,QAAQ,IAAI,IAAI,CAAC;QAC9C,YAAY,CAAC,OAAO,MAAM,KAAK,QAAQ,IAAI,MAAM,CAAC;QAClD,8DAA8D;QAC9D,QAAQ,CAAC,aAAa,CAAC,EAAE,CAC1B,CAAC;AACJ,CAAC;AATD,8BASC"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/uuid_utils.js b/node_modules/bson/lib/uuid_utils.js
new file mode 100644
index 000000000..bb1f8b7e6
--- /dev/null
+++ b/node_modules/bson/lib/uuid_utils.js
@@ -0,0 +1,35 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.bufferToUuidHexString = exports.uuidHexStringToBuffer = exports.uuidValidateString = void 0;
+var buffer_1 = require("buffer");
+var error_1 = require("./error");
+// Validation regex for v4 uuid (validates with or without dashes)
+var VALIDATION_REGEX = /^(?:[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|[0-9a-f]{12}4[0-9a-f]{3}[89ab][0-9a-f]{15})$/i;
+var uuidValidateString = function (str) {
+    return typeof str === 'string' && VALIDATION_REGEX.test(str);
+};
+exports.uuidValidateString = uuidValidateString;
+var uuidHexStringToBuffer = function (hexString) {
+    if (!(0, exports.uuidValidateString)(hexString)) {
+        throw new error_1.BSONTypeError('UUID string representations must be a 32 or 36 character hex string (dashes excluded/included). Format: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" or "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx".');
+    }
+    var sanitizedHexString = hexString.replace(/-/g, '');
+    return buffer_1.Buffer.from(sanitizedHexString, 'hex');
+};
+exports.uuidHexStringToBuffer = uuidHexStringToBuffer;
+var bufferToUuidHexString = function (buffer, includeDashes) {
+    if (includeDashes === void 0) { includeDashes = true; }
+    return includeDashes
+        ? buffer.toString('hex', 0, 4) +
+            '-' +
+            buffer.toString('hex', 4, 6) +
+            '-' +
+            buffer.toString('hex', 6, 8) +
+            '-' +
+            buffer.toString('hex', 8, 10) +
+            '-' +
+            buffer.toString('hex', 10, 16)
+        : buffer.toString('hex');
+};
+exports.bufferToUuidHexString = bufferToUuidHexString;
+//# sourceMappingURL=uuid_utils.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/uuid_utils.js.map b/node_modules/bson/lib/uuid_utils.js.map
new file mode 100644
index 000000000..f388ec318
--- /dev/null
+++ b/node_modules/bson/lib/uuid_utils.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"uuid_utils.js","sourceRoot":"","sources":["../src/uuid_utils.ts"],"names":[],"mappings":";;;AAAA,iCAAgC;AAChC,iCAAwC;AAExC,kEAAkE;AAClE,IAAM,gBAAgB,GACpB,uHAAuH,CAAC;AAEnH,IAAM,kBAAkB,GAAG,UAAC,GAAW;IAC5C,OAAA,OAAO,GAAG,KAAK,QAAQ,IAAI,gBAAgB,CAAC,IAAI,CAAC,GAAG,CAAC;AAArD,CAAqD,CAAC;AAD3C,QAAA,kBAAkB,sBACyB;AAEjD,IAAM,qBAAqB,GAAG,UAAC,SAAiB;IACrD,IAAI,CAAC,IAAA,0BAAkB,EAAC,SAAS,CAAC,EAAE;QAClC,MAAM,IAAI,qBAAa,CACrB,uLAAuL,CACxL,CAAC;KACH;IAED,IAAM,kBAAkB,GAAG,SAAS,CAAC,OAAO,CAAC,IAAI,EAAE,EAAE,CAAC,CAAC;IACvD,OAAO,eAAM,CAAC,IAAI,CAAC,kBAAkB,EAAE,KAAK,CAAC,CAAC;AAChD,CAAC,CAAC;AATW,QAAA,qBAAqB,yBAShC;AAEK,IAAM,qBAAqB,GAAG,UAAC,MAAc,EAAE,aAAoB;IAApB,8BAAA,EAAA,oBAAoB;IACxE,OAAA,aAAa;QACX,CAAC,CAAC,MAAM,CAAC,QAAQ,CAAC,KAAK,EAAE,CAAC,EAAE,CAAC,CAAC;YAC5B,GAAG;YACH,MAAM,CAAC,QAAQ,CAAC,KAAK,EAAE,CAAC,EAAE,CAAC,CAAC;YAC5B,GAAG;YACH,MAAM,CAAC,QAAQ,CAAC,KAAK,EAAE,CAAC,EAAE,CAAC,CAAC;YAC5B,GAAG;YACH,MAAM,CAAC,QAAQ,CAAC,KAAK,EAAE,CAAC,EAAE,EAAE,CAAC;YAC7B,GAAG;YACH,MAAM,CAAC,QAAQ,CAAC,KAAK,EAAE,EAAE,EAAE,EAAE,CAAC;QAChC,CAAC,CAAC,MAAM,CAAC,QAAQ,CAAC,KAAK,CAAC;AAV1B,CAU0B,CAAC;AAXhB,QAAA,qBAAqB,yBAWL"}
\ No newline at end of file
diff --git a/node_modules/bson/lib/validate_utf8.js b/node_modules/bson/lib/validate_utf8.js
new file mode 100644
index 000000000..ec7801603
--- /dev/null
+++ b/node_modules/bson/lib/validate_utf8.js
@@ -0,0 +1,47 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.validateUtf8 = void 0;
+var FIRST_BIT = 0x80;
+var FIRST_TWO_BITS = 0xc0;
+var FIRST_THREE_BITS = 0xe0;
+var FIRST_FOUR_BITS = 0xf0;
+var FIRST_FIVE_BITS = 0xf8;
+var TWO_BIT_CHAR = 0xc0;
+var THREE_BIT_CHAR = 0xe0;
+var FOUR_BIT_CHAR = 0xf0;
+var CONTINUING_CHAR = 0x80;
+/**
+ * Determines if the passed in bytes are valid utf8
+ * @param bytes - An array of 8-bit bytes. Must be indexable and have length property
+ * @param start - The index to start validating
+ * @param end - The index to end validating
+ */
+function validateUtf8(bytes, start, end) {
+    var continuation = 0;
+    for (var i = start; i < end; i += 1) {
+        var byte = bytes[i];
+        if (continuation) {
+            if ((byte & FIRST_TWO_BITS) !== CONTINUING_CHAR) {
+                return false;
+            }
+            continuation -= 1;
+        }
+        else if (byte & FIRST_BIT) {
+            if ((byte & FIRST_THREE_BITS) === TWO_BIT_CHAR) {
+                continuation = 1;
+            }
+            else if ((byte & FIRST_FOUR_BITS) === THREE_BIT_CHAR) {
+                continuation = 2;
+            }
+            else if ((byte & FIRST_FIVE_BITS) === FOUR_BIT_CHAR) {
+                continuation = 3;
+            }
+            else {
+                return false;
+            }
+        }
+    }
+    return !continuation;
+}
+exports.validateUtf8 = validateUtf8;
+//# sourceMappingURL=validate_utf8.js.map
\ No newline at end of file
diff --git a/node_modules/bson/lib/validate_utf8.js.map b/node_modules/bson/lib/validate_utf8.js.map
new file mode 100644
index 000000000..f1e975be0
--- /dev/null
+++ b/node_modules/bson/lib/validate_utf8.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"validate_utf8.js","sourceRoot":"","sources":["../src/validate_utf8.ts"],"names":[],"mappings":";;;AAAA,IAAM,SAAS,GAAG,IAAI,CAAC;AACvB,IAAM,cAAc,GAAG,IAAI,CAAC;AAC5B,IAAM,gBAAgB,GAAG,IAAI,CAAC;AAC9B,IAAM,eAAe,GAAG,IAAI,CAAC;AAC7B,IAAM,eAAe,GAAG,IAAI,CAAC;AAE7B,IAAM,YAAY,GAAG,IAAI,CAAC;AAC1B,IAAM,cAAc,GAAG,IAAI,CAAC;AAC5B,IAAM,aAAa,GAAG,IAAI,CAAC;AAC3B,IAAM,eAAe,GAAG,IAAI,CAAC;AAE7B;;;;;GAKG;AACH,SAAgB,YAAY,CAC1B,KAAkC,EAClC,KAAa,EACb,GAAW;IAEX,IAAI,YAAY,GAAG,CAAC,CAAC;IAErB,KAAK,IAAI,CAAC,GAAG,KAAK,EAAE,CAAC,GAAG,GAAG,EAAE,CAAC,IAAI,CAAC,EAAE;QACnC,IAAM,IAAI,GAAG,KAAK,CAAC,CAAC,CAAC,CAAC;QAEtB,IAAI,YAAY,EAAE;YAChB,IAAI,CAAC,IAAI,GAAG,cAAc,CAAC,KAAK,eAAe,EAAE;gBAC/C,OAAO,KAAK,CAAC;aACd;YACD,YAAY,IAAI,CAAC,CAAC;SACnB;aAAM,IAAI,IAAI,GAAG,SAAS,EAAE;YAC3B,IAAI,CAAC,IAAI,GAAG,gBAAgB,CAAC,KAAK,YAAY,EAAE;gBAC9C,YAAY,GAAG,CAAC,CAAC;aAClB;iBAAM,IAAI,CAAC,IAAI,GAAG,eAAe,CAAC,KAAK,cAAc,EAAE;gBACtD,YAAY,GAAG,CAAC,CAAC;aAClB;iBAAM,IAAI,CAAC,IAAI,GAAG,eAAe,CAAC,KAAK,aAAa,EAAE;gBACrD,YAAY,GAAG,CAAC,CAAC;aAClB;iBAAM;gBACL,OAAO,KAAK,CAAC;aACd;SACF;KACF;IAED,OAAO,CAAC,YAAY,CAAC;AACvB,CAAC;AA7BD,oCA6BC"}
\ No newline at end of file
diff --git a/node_modules/bson/package.json b/node_modules/bson/package.json
new file mode 100644
index 000000000..983159d74
--- /dev/null
+++ b/node_modules/bson/package.json
@@ -0,0 +1,116 @@
+{
+  "name": "bson",
+  "description": "A bson parser for node.js and the browser",
+  "keywords": [
+    "mongodb",
+    "bson",
+    "parser"
+  ],
+  "files": [
+    "lib",
+    "src",
+    "dist",
+    "bson.d.ts",
+    "etc/prepare.js",
+    "bower.json"
+  ],
+  "types": "bson.d.ts",
+  "version": "4.7.0",
+  "author": {
+    "name": "The MongoDB NodeJS Team",
+    "email": "dbx-node@mongodb.com"
+  },
+  "license": "Apache-2.0",
+  "contributors": [],
+  "repository": "mongodb/js-bson",
+  "bugs": {
+    "url": "https://jira.mongodb.org/projects/NODE/issues/"
+  },
+  "devDependencies": {
+    "@babel/plugin-external-helpers": "^7.10.4",
+    "@babel/preset-env": "^7.11.0",
+    "@istanbuljs/nyc-config-typescript": "^1.0.1",
+    "@microsoft/api-extractor": "^7.28.0",
+    "@rollup/plugin-babel": "^5.2.0",
+    "@rollup/plugin-commonjs": "^15.0.0",
+    "@rollup/plugin-json": "^4.1.0",
+    "@rollup/plugin-node-resolve": "^9.0.0",
+    "@rollup/plugin-replace": "^4.0.0",
+    "@rollup/plugin-typescript": "^6.0.0",
+    "@types/node": "^18.0.0",
+    "@typescript-eslint/eslint-plugin": "^5.30.0",
+    "@typescript-eslint/parser": "^5.30.0",
+    "array-includes": "^3.1.3",
+    "array.prototype.flatmap": "^1.3.0",
+    "benchmark": "^2.1.4",
+    "chai": "^4.2.0",
+    "eslint": "^8.18.0",
+    "eslint-config-prettier": "^8.5.0",
+    "eslint-plugin-prettier": "^4.1.0",
+    "eslint-plugin-tsdoc": "^0.2.16",
+    "karma": "^6.3.4",
+    "karma-chai": "^0.1.0",
+    "karma-chrome-launcher": "^3.1.0",
+    "karma-mocha": "^2.0.1",
+    "karma-mocha-reporter": "^2.2.5",
+    "karma-rollup-preprocessor": "^7.0.5",
+    "mocha": "5.2.0",
+    "node-fetch": "^2.6.1",
+    "nyc": "^15.1.0",
+    "object.entries": "^1.1.5",
+    "prettier": "^2.7.1",
+    "rimraf": "^3.0.2",
+    "rollup": "^2.26.5",
+    "rollup-plugin-commonjs": "^10.1.0",
+    "rollup-plugin-node-globals": "^1.4.0",
+    "rollup-plugin-node-polyfills": "^0.2.1",
+    "rollup-plugin-polyfill-node": "^0.7.0",
+    "standard-version": "^9.5.0",
+    "ts-node": "^9.0.0",
+    "tsd": "^0.21.0",
+    "typescript": "^4.7.4",
+    "typescript-cached-transpile": "0.0.6",
+    "uuid": "^8.3.2"
+  },
+  "tsd": {
+    "directory": "test/types",
+    "compilerOptions": {
+      "strict": true,
+      "target": "esnext",
+      "module": "commonjs",
+      "moduleResolution": "node"
+    }
+  },
+  "config": {
+    "native": false
+  },
+  "main": "lib/bson.js",
+  "module": "dist/bson.esm.js",
+  "browser": {
+    "./lib/bson.js": "./dist/bson.browser.umd.js",
+    "./dist/bson.esm.js": "./dist/bson.browser.esm.js"
+  },
+  "engines": {
+    "node": ">=6.9.0"
+  },
+  "scripts": {
+    "docs": "typedoc",
+    "test": "npm run build && npm run test-node && npm run test-browser",
+    "test-node": "mocha test/node test/*_tests.js",
+    "test-tsd": "npm run build:dts && tsd",
+    "test-browser": "node --max-old-space-size=4096 ./node_modules/.bin/karma start karma.conf.js",
+    "build:ts": "tsc",
+    "build:dts": "npm run build:ts && api-extractor run --typescript-compiler-folder node_modules/typescript --local && rimraf 'lib/**/*.d.ts*'",
+    "build:bundle": "rollup -c rollup.config.js",
+    "build": "npm run build:dts && npm run build:bundle",
+    "lint": "eslint -v && eslint --ext '.js,.ts' --max-warnings=0 src test && tsc -v && tsc --noEmit && npm run test-tsd",
+    "format": "eslint --ext '.js,.ts' src test --fix",
+    "coverage": "nyc npm run test-node",
+    "coverage:html": "npm run coverage && open ./coverage/index.html",
+    "prepare": "node etc/prepare.js",
+    "release": "standard-version -i HISTORY.md"
+  },
+  "dependencies": {
+    "buffer": "^5.6.0"
+  }
+}
diff --git a/node_modules/bson/src/binary.ts b/node_modules/bson/src/binary.ts
new file mode 100644
index 000000000..d86275c9a
--- /dev/null
+++ b/node_modules/bson/src/binary.ts
@@ -0,0 +1,481 @@
+import { Buffer } from 'buffer';
+import { ensureBuffer } from './ensure_buffer';
+import { bufferToUuidHexString, uuidHexStringToBuffer, uuidValidateString } from './uuid_utils';
+import { isUint8Array, randomBytes } from './parser/utils';
+import type { EJSONOptions } from './extended_json';
+import { BSONError, BSONTypeError } from './error';
+import { BSON_BINARY_SUBTYPE_UUID_NEW } from './constants';
+
+/** @public */
+export type BinarySequence = Uint8Array | Buffer | number[];
+
+/** @public */
+export interface BinaryExtendedLegacy {
+  $type: string;
+  $binary: string;
+}
+
+/** @public */
+export interface BinaryExtended {
+  $binary: {
+    subType: string;
+    base64: string;
+  };
+}
+
+/**
+ * A class representation of the BSON Binary type.
+ * @public
+ * @category BSONType
+ */
+export class Binary {
+  _bsontype!: 'Binary';
+
+  /**
+   * Binary default subtype
+   * @internal
+   */
+  private static readonly BSON_BINARY_SUBTYPE_DEFAULT = 0;
+
+  /** Initial buffer default size */
+  static readonly BUFFER_SIZE = 256;
+  /** Default BSON type */
+  static readonly SUBTYPE_DEFAULT = 0;
+  /** Function BSON type */
+  static readonly SUBTYPE_FUNCTION = 1;
+  /** Byte Array BSON type */
+  static readonly SUBTYPE_BYTE_ARRAY = 2;
+  /** Deprecated UUID BSON type @deprecated Please use SUBTYPE_UUID */
+  static readonly SUBTYPE_UUID_OLD = 3;
+  /** UUID BSON type */
+  static readonly SUBTYPE_UUID = 4;
+  /** MD5 BSON type */
+  static readonly SUBTYPE_MD5 = 5;
+  /** Encrypted BSON type */
+  static readonly SUBTYPE_ENCRYPTED = 6;
+  /** Column BSON type */
+  static readonly SUBTYPE_COLUMN = 7;
+  /** User BSON type */
+  static readonly SUBTYPE_USER_DEFINED = 128;
+
+  buffer!: Buffer;
+  sub_type!: number;
+  position!: number;
+
+  /**
+   * Create a new Binary instance.
+   *
+   * This constructor can accept a string as its first argument. In this case,
+   * this string will be encoded using ISO-8859-1, **not** using UTF-8.
+   * This is almost certainly not what you want. Use `new Binary(Buffer.from(string))`
+   * instead to convert the string to a Buffer using UTF-8 first.
+   *
+   * @param buffer - a buffer object containing the binary data.
+   * @param subType - the option binary type.
+   */
+  constructor(buffer?: string | BinarySequence, subType?: number) {
+    if (!(this instanceof Binary)) return new Binary(buffer, subType);
+
+    if (
+      !(buffer == null) &&
+      !(typeof buffer === 'string') &&
+      !ArrayBuffer.isView(buffer) &&
+      !(buffer instanceof ArrayBuffer) &&
+      !Array.isArray(buffer)
+    ) {
+      throw new BSONTypeError(
+        'Binary can only be constructed from string, Buffer, TypedArray, or Array<number>'
+      );
+    }
+
+    this.sub_type = subType ?? Binary.BSON_BINARY_SUBTYPE_DEFAULT;
+
+    if (buffer == null) {
+      // create an empty binary buffer
+      this.buffer = Buffer.alloc(Binary.BUFFER_SIZE);
+      this.position = 0;
+    } else {
+      if (typeof buffer === 'string') {
+        // string
+        this.buffer = Buffer.from(buffer, 'binary');
+      } else if (Array.isArray(buffer)) {
+        // number[]
+        this.buffer = Buffer.from(buffer);
+      } else {
+        // Buffer | TypedArray | ArrayBuffer
+        this.buffer = ensureBuffer(buffer);
+      }
+
+      this.position = this.buffer.byteLength;
+    }
+  }
+
+  /**
+   * Updates this binary with byte_value.
+   *
+   * @param byteValue - a single byte we wish to write.
+   */
+  put(byteValue: string | number | Uint8Array | Buffer | number[]): void {
+    // If it's a string and a has more than one character throw an error
+    if (typeof byteValue === 'string' && byteValue.length !== 1) {
+      throw new BSONTypeError('only accepts single character String');
+    } else if (typeof byteValue !== 'number' && byteValue.length !== 1)
+      throw new BSONTypeError('only accepts single character Uint8Array or Array');
+
+    // Decode the byte value once
+    let decodedByte: number;
+    if (typeof byteValue === 'string') {
+      decodedByte = byteValue.charCodeAt(0);
+    } else if (typeof byteValue === 'number') {
+      decodedByte = byteValue;
+    } else {
+      decodedByte = byteValue[0];
+    }
+
+    if (decodedByte < 0 || decodedByte > 255) {
+      throw new BSONTypeError('only accepts number in a valid unsigned byte range 0-255');
+    }
+
+    if (this.buffer.length > this.position) {
+      this.buffer[this.position++] = decodedByte;
+    } else {
+      const buffer = Buffer.alloc(Binary.BUFFER_SIZE + this.buffer.length);
+      // Combine the two buffers together
+      this.buffer.copy(buffer, 0, 0, this.buffer.length);
+      this.buffer = buffer;
+      this.buffer[this.position++] = decodedByte;
+    }
+  }
+
+  /**
+   * Writes a buffer or string to the binary.
+   *
+   * @param sequence - a string or buffer to be written to the Binary BSON object.
+   * @param offset - specify the binary of where to write the content.
+   */
+  write(sequence: string | BinarySequence, offset: number): void {
+    offset = typeof offset === 'number' ? offset : this.position;
+
+    // If the buffer is to small let's extend the buffer
+    if (this.buffer.length < offset + sequence.length) {
+      const buffer = Buffer.alloc(this.buffer.length + sequence.length);
+      this.buffer.copy(buffer, 0, 0, this.buffer.length);
+
+      // Assign the new buffer
+      this.buffer = buffer;
+    }
+
+    if (ArrayBuffer.isView(sequence)) {
+      this.buffer.set(ensureBuffer(sequence), offset);
+      this.position =
+        offset + sequence.byteLength > this.position ? offset + sequence.length : this.position;
+    } else if (typeof sequence === 'string') {
+      this.buffer.write(sequence, offset, sequence.length, 'binary');
+      this.position =
+        offset + sequence.length > this.position ? offset + sequence.length : this.position;
+    }
+  }
+
+  /**
+   * Reads **length** bytes starting at **position**.
+   *
+   * @param position - read from the given position in the Binary.
+   * @param length - the number of bytes to read.
+   */
+  read(position: number, length: number): BinarySequence {
+    length = length && length > 0 ? length : this.position;
+
+    // Let's return the data based on the type we have
+    return this.buffer.slice(position, position + length);
+  }
+
+  /**
+   * Returns the value of this binary as a string.
+   * @param asRaw - Will skip converting to a string
+   * @remarks
+   * This is handy when calling this function conditionally for some key value pairs and not others
+   */
+  value(asRaw?: boolean): string | BinarySequence {
+    asRaw = !!asRaw;
+
+    // Optimize to serialize for the situation where the data == size of buffer
+    if (asRaw && this.buffer.length === this.position) {
+      return this.buffer;
+    }
+
+    // If it's a node.js buffer object
+    if (asRaw) {
+      return this.buffer.slice(0, this.position);
+    }
+    return this.buffer.toString('binary', 0, this.position);
+  }
+
+  /** the length of the binary sequence */
+  length(): number {
+    return this.position;
+  }
+
+  toJSON(): string {
+    return this.buffer.toString('base64');
+  }
+
+  toString(format?: string): string {
+    return this.buffer.toString(format);
+  }
+
+  /** @internal */
+  toExtendedJSON(options?: EJSONOptions): BinaryExtendedLegacy | BinaryExtended {
+    options = options || {};
+    const base64String = this.buffer.toString('base64');
+
+    const subType = Number(this.sub_type).toString(16);
+    if (options.legacy) {
+      return {
+        $binary: base64String,
+        $type: subType.length === 1 ? '0' + subType : subType
+      };
+    }
+    return {
+      $binary: {
+        base64: base64String,
+        subType: subType.length === 1 ? '0' + subType : subType
+      }
+    };
+  }
+
+  toUUID(): UUID {
+    if (this.sub_type === Binary.SUBTYPE_UUID) {
+      return new UUID(this.buffer.slice(0, this.position));
+    }
+
+    throw new BSONError(
+      `Binary sub_type "${this.sub_type}" is not supported for converting to UUID. Only "${Binary.SUBTYPE_UUID}" is currently supported.`
+    );
+  }
+
+  /** @internal */
+  static fromExtendedJSON(
+    doc: BinaryExtendedLegacy | BinaryExtended | UUIDExtended,
+    options?: EJSONOptions
+  ): Binary {
+    options = options || {};
+    let data: Buffer | undefined;
+    let type;
+    if ('$binary' in doc) {
+      if (options.legacy && typeof doc.$binary === 'string' && '$type' in doc) {
+        type = doc.$type ? parseInt(doc.$type, 16) : 0;
+        data = Buffer.from(doc.$binary, 'base64');
+      } else {
+        if (typeof doc.$binary !== 'string') {
+          type = doc.$binary.subType ? parseInt(doc.$binary.subType, 16) : 0;
+          data = Buffer.from(doc.$binary.base64, 'base64');
+        }
+      }
+    } else if ('$uuid' in doc) {
+      type = 4;
+      data = uuidHexStringToBuffer(doc.$uuid);
+    }
+    if (!data) {
+      throw new BSONTypeError(`Unexpected Binary Extended JSON format ${JSON.stringify(doc)}`);
+    }
+    return type === BSON_BINARY_SUBTYPE_UUID_NEW ? new UUID(data) : new Binary(data, type);
+  }
+
+  /** @internal */
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    const asBuffer = this.value(true);
+    return `new Binary(Buffer.from("${asBuffer.toString('hex')}", "hex"), ${this.sub_type})`;
+  }
+}
+
+Object.defineProperty(Binary.prototype, '_bsontype', { value: 'Binary' });
+
+/** @public */
+export type UUIDExtended = {
+  $uuid: string;
+};
+const UUID_BYTE_LENGTH = 16;
+
+/**
+ * A class representation of the BSON UUID type.
+ * @public
+ */
+export class UUID extends Binary {
+  static cacheHexString: boolean;
+
+  /** UUID hexString cache @internal */
+  private __id?: string;
+
+  /**
+   * Create an UUID type
+   *
+   * @param input - Can be a 32 or 36 character hex string (dashes excluded/included) or a 16 byte binary Buffer.
+   */
+  constructor(input?: string | Buffer | UUID) {
+    let bytes;
+    let hexStr;
+    if (input == null) {
+      bytes = UUID.generate();
+    } else if (input instanceof UUID) {
+      bytes = Buffer.from(input.buffer);
+      hexStr = input.__id;
+    } else if (ArrayBuffer.isView(input) && input.byteLength === UUID_BYTE_LENGTH) {
+      bytes = ensureBuffer(input);
+    } else if (typeof input === 'string') {
+      bytes = uuidHexStringToBuffer(input);
+    } else {
+      throw new BSONTypeError(
+        'Argument passed in UUID constructor must be a UUID, a 16 byte Buffer or a 32/36 character hex string (dashes excluded/included, format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).'
+      );
+    }
+    super(bytes, BSON_BINARY_SUBTYPE_UUID_NEW);
+    this.__id = hexStr;
+  }
+
+  /**
+   * The UUID bytes
+   * @readonly
+   */
+  get id(): Buffer {
+    return this.buffer;
+  }
+
+  set id(value: Buffer) {
+    this.buffer = value;
+
+    if (UUID.cacheHexString) {
+      this.__id = bufferToUuidHexString(value);
+    }
+  }
+
+  /**
+   * Returns the UUID id as a 32 or 36 character hex string representation, excluding/including dashes (defaults to 36 character dash separated)
+   * @param includeDashes - should the string exclude dash-separators.
+   * */
+  toHexString(includeDashes = true): string {
+    if (UUID.cacheHexString && this.__id) {
+      return this.__id;
+    }
+
+    const uuidHexString = bufferToUuidHexString(this.id, includeDashes);
+
+    if (UUID.cacheHexString) {
+      this.__id = uuidHexString;
+    }
+
+    return uuidHexString;
+  }
+
+  /**
+   * Converts the id into a 36 character (dashes included) hex string, unless a encoding is specified.
+   */
+  toString(encoding?: string): string {
+    return encoding ? this.id.toString(encoding) : this.toHexString();
+  }
+
+  /**
+   * Converts the id into its JSON string representation.
+   * A 36 character (dashes included) hex string in the format: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+   */
+  toJSON(): string {
+    return this.toHexString();
+  }
+
+  /**
+   * Compares the equality of this UUID with `otherID`.
+   *
+   * @param otherId - UUID instance to compare against.
+   */
+  equals(otherId: string | Buffer | UUID): boolean {
+    if (!otherId) {
+      return false;
+    }
+
+    if (otherId instanceof UUID) {
+      return otherId.id.equals(this.id);
+    }
+
+    try {
+      return new UUID(otherId).id.equals(this.id);
+    } catch {
+      return false;
+    }
+  }
+
+  /**
+   * Creates a Binary instance from the current UUID.
+   */
+  toBinary(): Binary {
+    return new Binary(this.id, Binary.SUBTYPE_UUID);
+  }
+
+  /**
+   * Generates a populated buffer containing a v4 uuid
+   */
+  static generate(): Buffer {
+    const bytes = randomBytes(UUID_BYTE_LENGTH);
+
+    // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
+    // Kindly borrowed from https://github.com/uuidjs/uuid/blob/master/src/v4.js
+    bytes[6] = (bytes[6] & 0x0f) | 0x40;
+    bytes[8] = (bytes[8] & 0x3f) | 0x80;
+
+    return Buffer.from(bytes);
+  }
+
+  /**
+   * Checks if a value is a valid bson UUID
+   * @param input - UUID, string or Buffer to validate.
+   */
+  static isValid(input: string | Buffer | UUID): boolean {
+    if (!input) {
+      return false;
+    }
+
+    if (input instanceof UUID) {
+      return true;
+    }
+
+    if (typeof input === 'string') {
+      return uuidValidateString(input);
+    }
+
+    if (isUint8Array(input)) {
+      // check for length & uuid version (https://tools.ietf.org/html/rfc4122#section-4.1.3)
+      if (input.length !== UUID_BYTE_LENGTH) {
+        return false;
+      }
+
+      return (input[6] & 0xf0) === 0x40 && (input[8] & 0x80) === 0x80;
+    }
+
+    return false;
+  }
+
+  /**
+   * Creates an UUID from a hex string representation of an UUID.
+   * @param hexString - 32 or 36 character hex string (dashes excluded/included).
+   */
+  static createFromHexString(hexString: string): UUID {
+    const buffer = uuidHexStringToBuffer(hexString);
+    return new UUID(buffer);
+  }
+
+  /**
+   * Converts to a string representation of this Id.
+   *
+   * @returns return the 36 character hex string representation.
+   * @internal
+   */
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    return `new UUID("${this.toHexString()}")`;
+  }
+}
diff --git a/node_modules/bson/src/bson.ts b/node_modules/bson/src/bson.ts
new file mode 100644
index 000000000..d32cfe834
--- /dev/null
+++ b/node_modules/bson/src/bson.ts
@@ -0,0 +1,330 @@
+import { Buffer } from 'buffer';
+import { Binary, UUID } from './binary';
+import { Code } from './code';
+import { DBRef } from './db_ref';
+import { Decimal128 } from './decimal128';
+import { Double } from './double';
+import { ensureBuffer } from './ensure_buffer';
+import { EJSON } from './extended_json';
+import { Int32 } from './int_32';
+import { Long } from './long';
+import { Map } from './map';
+import { MaxKey } from './max_key';
+import { MinKey } from './min_key';
+import { ObjectId } from './objectid';
+import { BSONError, BSONTypeError } from './error';
+import { calculateObjectSize as internalCalculateObjectSize } from './parser/calculate_size';
+// Parts of the parser
+import { deserialize as internalDeserialize, DeserializeOptions } from './parser/deserializer';
+import { serializeInto as internalSerialize, SerializeOptions } from './parser/serializer';
+import { BSONRegExp } from './regexp';
+import { BSONSymbol } from './symbol';
+import { Timestamp } from './timestamp';
+export type { UUIDExtended, BinaryExtended, BinaryExtendedLegacy, BinarySequence } from './binary';
+export type { CodeExtended } from './code';
+export {
+  BSON_BINARY_SUBTYPE_BYTE_ARRAY,
+  BSON_BINARY_SUBTYPE_DEFAULT,
+  BSON_BINARY_SUBTYPE_FUNCTION,
+  BSON_BINARY_SUBTYPE_MD5,
+  BSON_BINARY_SUBTYPE_USER_DEFINED,
+  BSON_BINARY_SUBTYPE_UUID,
+  BSON_BINARY_SUBTYPE_UUID_NEW,
+  BSON_BINARY_SUBTYPE_ENCRYPTED,
+  BSON_BINARY_SUBTYPE_COLUMN,
+  BSON_DATA_ARRAY,
+  BSON_DATA_BINARY,
+  BSON_DATA_BOOLEAN,
+  BSON_DATA_CODE,
+  BSON_DATA_CODE_W_SCOPE,
+  BSON_DATA_DATE,
+  BSON_DATA_DBPOINTER,
+  BSON_DATA_DECIMAL128,
+  BSON_DATA_INT,
+  BSON_DATA_LONG,
+  BSON_DATA_MAX_KEY,
+  BSON_DATA_MIN_KEY,
+  BSON_DATA_NULL,
+  BSON_DATA_NUMBER,
+  BSON_DATA_OBJECT,
+  BSON_DATA_OID,
+  BSON_DATA_REGEXP,
+  BSON_DATA_STRING,
+  BSON_DATA_SYMBOL,
+  BSON_DATA_TIMESTAMP,
+  BSON_DATA_UNDEFINED,
+  BSON_INT32_MAX,
+  BSON_INT32_MIN,
+  BSON_INT64_MAX,
+  BSON_INT64_MIN
+} from './constants';
+export type { DBRefLike } from './db_ref';
+export type { Decimal128Extended } from './decimal128';
+export type { DoubleExtended } from './double';
+export type { EJSONOptions } from './extended_json';
+export { EJSON } from './extended_json';
+export type { Int32Extended } from './int_32';
+export type { LongExtended } from './long';
+export type { MaxKeyExtended } from './max_key';
+export type { MinKeyExtended } from './min_key';
+export type { ObjectIdExtended, ObjectIdLike } from './objectid';
+export type { BSONRegExpExtended, BSONRegExpExtendedLegacy } from './regexp';
+export type { BSONSymbolExtended } from './symbol';
+export type { LongWithoutOverrides, TimestampExtended, TimestampOverrides } from './timestamp';
+export { LongWithoutOverridesClass } from './timestamp';
+export type { SerializeOptions, DeserializeOptions };
+export {
+  Code,
+  Map,
+  BSONSymbol,
+  DBRef,
+  Binary,
+  ObjectId,
+  UUID,
+  Long,
+  Timestamp,
+  Double,
+  Int32,
+  MinKey,
+  MaxKey,
+  BSONRegExp,
+  Decimal128,
+  // In 4.0.0 and 4.0.1, this property name was changed to ObjectId to match the class name.
+  // This caused interoperability problems with previous versions of the library, so in
+  // later builds we changed it back to ObjectID (capital D) to match legacy implementations.
+  ObjectId as ObjectID
+};
+export { BSONError, BSONTypeError } from './error';
+
+/** @public */
+export interface Document {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  [key: string]: any;
+}
+
+/** @internal */
+// Default Max Size
+const MAXSIZE = 1024 * 1024 * 17;
+
+// Current Internal Temporary Serialization Buffer
+let buffer = Buffer.alloc(MAXSIZE);
+
+/**
+ * Sets the size of the internal serialization buffer.
+ *
+ * @param size - The desired size for the internal serialization buffer
+ * @public
+ */
+export function setInternalBufferSize(size: number): void {
+  // Resize the internal serialization buffer if needed
+  if (buffer.length < size) {
+    buffer = Buffer.alloc(size);
+  }
+}
+
+/**
+ * Serialize a Javascript object.
+ *
+ * @param object - the Javascript object to serialize.
+ * @returns Buffer object containing the serialized object.
+ * @public
+ */
+export function serialize(object: Document, options: SerializeOptions = {}): Buffer {
+  // Unpack the options
+  const checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+  const serializeFunctions =
+    typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+  const ignoreUndefined =
+    typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+  const minInternalBufferSize =
+    typeof options.minInternalBufferSize === 'number' ? options.minInternalBufferSize : MAXSIZE;
+
+  // Resize the internal serialization buffer if needed
+  if (buffer.length < minInternalBufferSize) {
+    buffer = Buffer.alloc(minInternalBufferSize);
+  }
+
+  // Attempt to serialize
+  const serializationIndex = internalSerialize(
+    buffer,
+    object,
+    checkKeys,
+    0,
+    0,
+    serializeFunctions,
+    ignoreUndefined,
+    []
+  );
+
+  // Create the final buffer
+  const finishedBuffer = Buffer.alloc(serializationIndex);
+
+  // Copy into the finished buffer
+  buffer.copy(finishedBuffer, 0, 0, finishedBuffer.length);
+
+  // Return the buffer
+  return finishedBuffer;
+}
+
+/**
+ * Serialize a Javascript object using a predefined Buffer and index into the buffer,
+ * useful when pre-allocating the space for serialization.
+ *
+ * @param object - the Javascript object to serialize.
+ * @param finalBuffer - the Buffer you pre-allocated to store the serialized BSON object.
+ * @returns the index pointing to the last written byte in the buffer.
+ * @public
+ */
+export function serializeWithBufferAndIndex(
+  object: Document,
+  finalBuffer: Buffer,
+  options: SerializeOptions = {}
+): number {
+  // Unpack the options
+  const checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+  const serializeFunctions =
+    typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+  const ignoreUndefined =
+    typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+  const startIndex = typeof options.index === 'number' ? options.index : 0;
+
+  // Attempt to serialize
+  const serializationIndex = internalSerialize(
+    buffer,
+    object,
+    checkKeys,
+    0,
+    0,
+    serializeFunctions,
+    ignoreUndefined
+  );
+  buffer.copy(finalBuffer, startIndex, 0, serializationIndex);
+
+  // Return the index
+  return startIndex + serializationIndex - 1;
+}
+
+/**
+ * Deserialize data as BSON.
+ *
+ * @param buffer - the buffer containing the serialized set of BSON documents.
+ * @returns returns the deserialized Javascript Object.
+ * @public
+ */
+export function deserialize(
+  buffer: Buffer | ArrayBufferView | ArrayBuffer,
+  options: DeserializeOptions = {}
+): Document {
+  return internalDeserialize(buffer instanceof Buffer ? buffer : ensureBuffer(buffer), options);
+}
+
+/** @public */
+export type CalculateObjectSizeOptions = Pick<
+  SerializeOptions,
+  'serializeFunctions' | 'ignoreUndefined'
+>;
+
+/**
+ * Calculate the bson size for a passed in Javascript object.
+ *
+ * @param object - the Javascript object to calculate the BSON byte size for
+ * @returns size of BSON object in bytes
+ * @public
+ */
+export function calculateObjectSize(
+  object: Document,
+  options: CalculateObjectSizeOptions = {}
+): number {
+  options = options || {};
+
+  const serializeFunctions =
+    typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+  const ignoreUndefined =
+    typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : true;
+
+  return internalCalculateObjectSize(object, serializeFunctions, ignoreUndefined);
+}
+
+/**
+ * Deserialize stream data as BSON documents.
+ *
+ * @param data - the buffer containing the serialized set of BSON documents.
+ * @param startIndex - the start index in the data Buffer where the deserialization is to start.
+ * @param numberOfDocuments - number of documents to deserialize.
+ * @param documents - an array where to store the deserialized documents.
+ * @param docStartIndex - the index in the documents array from where to start inserting documents.
+ * @param options - additional options used for the deserialization.
+ * @returns next index in the buffer after deserialization **x** numbers of documents.
+ * @public
+ */
+export function deserializeStream(
+  data: Buffer | ArrayBufferView | ArrayBuffer,
+  startIndex: number,
+  numberOfDocuments: number,
+  documents: Document[],
+  docStartIndex: number,
+  options: DeserializeOptions
+): number {
+  const internalOptions = Object.assign(
+    { allowObjectSmallerThanBufferSize: true, index: 0 },
+    options
+  );
+  const bufferData = ensureBuffer(data);
+
+  let index = startIndex;
+  // Loop over all documents
+  for (let i = 0; i < numberOfDocuments; i++) {
+    // Find size of the document
+    const size =
+      bufferData[index] |
+      (bufferData[index + 1] << 8) |
+      (bufferData[index + 2] << 16) |
+      (bufferData[index + 3] << 24);
+    // Update options with index
+    internalOptions.index = index;
+    // Parse the document at this point
+    documents[docStartIndex + i] = internalDeserialize(bufferData, internalOptions);
+    // Adjust index by the document size
+    index = index + size;
+  }
+
+  // Return object containing end index of parsing and list of documents
+  return index;
+}
+
+/**
+ * BSON default export
+ * @deprecated Please use named exports
+ * @privateRemarks
+ * We want to someday deprecate the default export,
+ * so none of the new TS types are being exported on the default
+ * @public
+ */
+const BSON = {
+  Binary,
+  Code,
+  DBRef,
+  Decimal128,
+  Double,
+  Int32,
+  Long,
+  UUID,
+  Map,
+  MaxKey,
+  MinKey,
+  ObjectId,
+  ObjectID: ObjectId,
+  BSONRegExp,
+  BSONSymbol,
+  Timestamp,
+  EJSON,
+  setInternalBufferSize,
+  serialize,
+  serializeWithBufferAndIndex,
+  deserialize,
+  calculateObjectSize,
+  deserializeStream,
+  BSONError,
+  BSONTypeError
+};
+export default BSON;
diff --git a/node_modules/bson/src/code.ts b/node_modules/bson/src/code.ts
new file mode 100644
index 000000000..86a4fb19c
--- /dev/null
+++ b/node_modules/bson/src/code.ts
@@ -0,0 +1,61 @@
+import type { Document } from './bson';
+
+/** @public */
+export interface CodeExtended {
+  $code: string | Function;
+  $scope?: Document;
+}
+
+/**
+ * A class representation of the BSON Code type.
+ * @public
+ * @category BSONType
+ */
+export class Code {
+  _bsontype!: 'Code';
+
+  code!: string | Function;
+  scope?: Document;
+  /**
+   * @param code - a string or function.
+   * @param scope - an optional scope for the function.
+   */
+  constructor(code: string | Function, scope?: Document) {
+    if (!(this instanceof Code)) return new Code(code, scope);
+
+    this.code = code;
+    this.scope = scope;
+  }
+
+  toJSON(): { code: string | Function; scope?: Document } {
+    return { code: this.code, scope: this.scope };
+  }
+
+  /** @internal */
+  toExtendedJSON(): CodeExtended {
+    if (this.scope) {
+      return { $code: this.code, $scope: this.scope };
+    }
+
+    return { $code: this.code };
+  }
+
+  /** @internal */
+  static fromExtendedJSON(doc: CodeExtended): Code {
+    return new Code(doc.$code, doc.$scope);
+  }
+
+  /** @internal */
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    const codeJson = this.toJSON();
+    return `new Code("${String(codeJson.code)}"${
+      codeJson.scope ? `, ${JSON.stringify(codeJson.scope)}` : ''
+    })`;
+  }
+}
+
+Object.defineProperty(Code.prototype, '_bsontype', { value: 'Code' });
diff --git a/node_modules/bson/src/constants.ts b/node_modules/bson/src/constants.ts
new file mode 100644
index 000000000..6af63e694
--- /dev/null
+++ b/node_modules/bson/src/constants.ts
@@ -0,0 +1,110 @@
+/** @internal */
+export const BSON_INT32_MAX = 0x7fffffff;
+/** @internal */
+export const BSON_INT32_MIN = -0x80000000;
+/** @internal */
+export const BSON_INT64_MAX = Math.pow(2, 63) - 1;
+/** @internal */
+export const BSON_INT64_MIN = -Math.pow(2, 63);
+
+/**
+ * Any integer up to 2^53 can be precisely represented by a double.
+ * @internal
+ */
+export const JS_INT_MAX = Math.pow(2, 53);
+
+/**
+ * Any integer down to -2^53 can be precisely represented by a double.
+ * @internal
+ */
+export const JS_INT_MIN = -Math.pow(2, 53);
+
+/** Number BSON Type @internal */
+export const BSON_DATA_NUMBER = 1;
+
+/** String BSON Type @internal */
+export const BSON_DATA_STRING = 2;
+
+/** Object BSON Type @internal */
+export const BSON_DATA_OBJECT = 3;
+
+/** Array BSON Type @internal */
+export const BSON_DATA_ARRAY = 4;
+
+/** Binary BSON Type @internal */
+export const BSON_DATA_BINARY = 5;
+
+/** Binary BSON Type @internal */
+export const BSON_DATA_UNDEFINED = 6;
+
+/** ObjectId BSON Type @internal */
+export const BSON_DATA_OID = 7;
+
+/** Boolean BSON Type @internal */
+export const BSON_DATA_BOOLEAN = 8;
+
+/** Date BSON Type @internal */
+export const BSON_DATA_DATE = 9;
+
+/** null BSON Type @internal */
+export const BSON_DATA_NULL = 10;
+
+/** RegExp BSON Type @internal */
+export const BSON_DATA_REGEXP = 11;
+
+/** Code BSON Type @internal */
+export const BSON_DATA_DBPOINTER = 12;
+
+/** Code BSON Type @internal */
+export const BSON_DATA_CODE = 13;
+
+/** Symbol BSON Type @internal */
+export const BSON_DATA_SYMBOL = 14;
+
+/** Code with Scope BSON Type @internal */
+export const BSON_DATA_CODE_W_SCOPE = 15;
+
+/** 32 bit Integer BSON Type @internal */
+export const BSON_DATA_INT = 16;
+
+/** Timestamp BSON Type @internal */
+export const BSON_DATA_TIMESTAMP = 17;
+
+/** Long BSON Type @internal */
+export const BSON_DATA_LONG = 18;
+
+/** Decimal128 BSON Type @internal */
+export const BSON_DATA_DECIMAL128 = 19;
+
+/** MinKey BSON Type @internal */
+export const BSON_DATA_MIN_KEY = 0xff;
+
+/** MaxKey BSON Type @internal */
+export const BSON_DATA_MAX_KEY = 0x7f;
+
+/** Binary Default Type @internal */
+export const BSON_BINARY_SUBTYPE_DEFAULT = 0;
+
+/** Binary Function Type @internal */
+export const BSON_BINARY_SUBTYPE_FUNCTION = 1;
+
+/** Binary Byte Array Type @internal */
+export const BSON_BINARY_SUBTYPE_BYTE_ARRAY = 2;
+
+/** Binary Deprecated UUID Type @deprecated Please use BSON_BINARY_SUBTYPE_UUID_NEW @internal */
+export const BSON_BINARY_SUBTYPE_UUID = 3;
+
+/** Binary UUID Type @internal */
+export const BSON_BINARY_SUBTYPE_UUID_NEW = 4;
+
+/** Binary MD5 Type @internal */
+export const BSON_BINARY_SUBTYPE_MD5 = 5;
+
+/** Encrypted BSON type @internal */
+export const BSON_BINARY_SUBTYPE_ENCRYPTED = 6;
+
+/** Column BSON type @internal */
+export const BSON_BINARY_SUBTYPE_COLUMN = 7;
+
+/** Binary User Defined Type @internal */
+export const BSON_BINARY_SUBTYPE_USER_DEFINED = 128;
diff --git a/node_modules/bson/src/db_ref.ts b/node_modules/bson/src/db_ref.ts
new file mode 100644
index 000000000..750c5be93
--- /dev/null
+++ b/node_modules/bson/src/db_ref.ts
@@ -0,0 +1,124 @@
+import type { Document } from './bson';
+import type { EJSONOptions } from './extended_json';
+import type { ObjectId } from './objectid';
+import { isObjectLike } from './parser/utils';
+
+/** @public */
+export interface DBRefLike {
+  $ref: string;
+  $id: ObjectId;
+  $db?: string;
+}
+
+/** @internal */
+export function isDBRefLike(value: unknown): value is DBRefLike {
+  return (
+    isObjectLike(value) &&
+    value.$id != null &&
+    typeof value.$ref === 'string' &&
+    (value.$db == null || typeof value.$db === 'string')
+  );
+}
+
+/**
+ * A class representation of the BSON DBRef type.
+ * @public
+ * @category BSONType
+ */
+export class DBRef {
+  _bsontype!: 'DBRef';
+
+  collection!: string;
+  oid!: ObjectId;
+  db?: string;
+  fields!: Document;
+
+  /**
+   * @param collection - the collection name.
+   * @param oid - the reference ObjectId.
+   * @param db - optional db name, if omitted the reference is local to the current db.
+   */
+  constructor(collection: string, oid: ObjectId, db?: string, fields?: Document) {
+    if (!(this instanceof DBRef)) return new DBRef(collection, oid, db, fields);
+
+    // check if namespace has been provided
+    const parts = collection.split('.');
+    if (parts.length === 2) {
+      db = parts.shift();
+      // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+      collection = parts.shift()!;
+    }
+
+    this.collection = collection;
+    this.oid = oid;
+    this.db = db;
+    this.fields = fields || {};
+  }
+
+  // Property provided for compatibility with the 1.x parser
+  // the 1.x parser used a "namespace" property, while 4.x uses "collection"
+
+  /** @internal */
+  get namespace(): string {
+    return this.collection;
+  }
+
+  set namespace(value: string) {
+    this.collection = value;
+  }
+
+  toJSON(): DBRefLike & Document {
+    const o = Object.assign(
+      {
+        $ref: this.collection,
+        $id: this.oid
+      },
+      this.fields
+    );
+
+    if (this.db != null) o.$db = this.db;
+    return o;
+  }
+
+  /** @internal */
+  toExtendedJSON(options?: EJSONOptions): DBRefLike {
+    options = options || {};
+    let o: DBRefLike = {
+      $ref: this.collection,
+      $id: this.oid
+    };
+
+    if (options.legacy) {
+      return o;
+    }
+
+    if (this.db) o.$db = this.db;
+    o = Object.assign(o, this.fields);
+    return o;
+  }
+
+  /** @internal */
+  static fromExtendedJSON(doc: DBRefLike): DBRef {
+    const copy = Object.assign({}, doc) as Partial<DBRefLike>;
+    delete copy.$ref;
+    delete copy.$id;
+    delete copy.$db;
+    return new DBRef(doc.$ref, doc.$id, doc.$db, copy);
+  }
+
+  /** @internal */
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    // NOTE: if OID is an ObjectId class it will just print the oid string.
+    const oid =
+      this.oid === undefined || this.oid.toString === undefined ? this.oid : this.oid.toString();
+    return `new DBRef("${this.namespace}", new ObjectId("${String(oid)}")${
+      this.db ? `, "${this.db}"` : ''
+    })`;
+  }
+}
+
+Object.defineProperty(DBRef.prototype, '_bsontype', { value: 'DBRef' });
diff --git a/node_modules/bson/src/decimal128.ts b/node_modules/bson/src/decimal128.ts
new file mode 100644
index 000000000..875998648
--- /dev/null
+++ b/node_modules/bson/src/decimal128.ts
@@ -0,0 +1,773 @@
+import { Buffer } from 'buffer';
+import { BSONTypeError } from './error';
+import { Long } from './long';
+import { isUint8Array } from './parser/utils';
+
+const PARSE_STRING_REGEXP = /^(\+|-)?(\d+|(\d*\.\d*))?(E|e)?([-+])?(\d+)?$/;
+const PARSE_INF_REGEXP = /^(\+|-)?(Infinity|inf)$/i;
+const PARSE_NAN_REGEXP = /^(\+|-)?NaN$/i;
+
+const EXPONENT_MAX = 6111;
+const EXPONENT_MIN = -6176;
+const EXPONENT_BIAS = 6176;
+const MAX_DIGITS = 34;
+
+// Nan value bits as 32 bit values (due to lack of longs)
+const NAN_BUFFER = [
+  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+].reverse();
+// Infinity value bits 32 bit values (due to lack of longs)
+const INF_NEGATIVE_BUFFER = [
+  0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+].reverse();
+const INF_POSITIVE_BUFFER = [
+  0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+].reverse();
+
+const EXPONENT_REGEX = /^([-+])?(\d+)?$/;
+
+// Extract least significant 5 bits
+const COMBINATION_MASK = 0x1f;
+// Extract least significant 14 bits
+const EXPONENT_MASK = 0x3fff;
+// Value of combination field for Inf
+const COMBINATION_INFINITY = 30;
+// Value of combination field for NaN
+const COMBINATION_NAN = 31;
+
+// Detect if the value is a digit
+function isDigit(value: string): boolean {
+  return !isNaN(parseInt(value, 10));
+}
+
+// Divide two uint128 values
+function divideu128(value: { parts: [number, number, number, number] }) {
+  const DIVISOR = Long.fromNumber(1000 * 1000 * 1000);
+  let _rem = Long.fromNumber(0);
+
+  if (!value.parts[0] && !value.parts[1] && !value.parts[2] && !value.parts[3]) {
+    return { quotient: value, rem: _rem };
+  }
+
+  for (let i = 0; i <= 3; i++) {
+    // Adjust remainder to match value of next dividend
+    _rem = _rem.shiftLeft(32);
+    // Add the divided to _rem
+    _rem = _rem.add(new Long(value.parts[i], 0));
+    value.parts[i] = _rem.div(DIVISOR).low;
+    _rem = _rem.modulo(DIVISOR);
+  }
+
+  return { quotient: value, rem: _rem };
+}
+
+// Multiply two Long values and return the 128 bit value
+function multiply64x2(left: Long, right: Long): { high: Long; low: Long } {
+  if (!left && !right) {
+    return { high: Long.fromNumber(0), low: Long.fromNumber(0) };
+  }
+
+  const leftHigh = left.shiftRightUnsigned(32);
+  const leftLow = new Long(left.getLowBits(), 0);
+  const rightHigh = right.shiftRightUnsigned(32);
+  const rightLow = new Long(right.getLowBits(), 0);
+
+  let productHigh = leftHigh.multiply(rightHigh);
+  let productMid = leftHigh.multiply(rightLow);
+  const productMid2 = leftLow.multiply(rightHigh);
+  let productLow = leftLow.multiply(rightLow);
+
+  productHigh = productHigh.add(productMid.shiftRightUnsigned(32));
+  productMid = new Long(productMid.getLowBits(), 0)
+    .add(productMid2)
+    .add(productLow.shiftRightUnsigned(32));
+
+  productHigh = productHigh.add(productMid.shiftRightUnsigned(32));
+  productLow = productMid.shiftLeft(32).add(new Long(productLow.getLowBits(), 0));
+
+  // Return the 128 bit result
+  return { high: productHigh, low: productLow };
+}
+
+function lessThan(left: Long, right: Long): boolean {
+  // Make values unsigned
+  const uhleft = left.high >>> 0;
+  const uhright = right.high >>> 0;
+
+  // Compare high bits first
+  if (uhleft < uhright) {
+    return true;
+  } else if (uhleft === uhright) {
+    const ulleft = left.low >>> 0;
+    const ulright = right.low >>> 0;
+    if (ulleft < ulright) return true;
+  }
+
+  return false;
+}
+
+function invalidErr(string: string, message: string) {
+  throw new BSONTypeError(`"${string}" is not a valid Decimal128 string - ${message}`);
+}
+
+/** @public */
+export interface Decimal128Extended {
+  $numberDecimal: string;
+}
+
+/**
+ * A class representation of the BSON Decimal128 type.
+ * @public
+ * @category BSONType
+ */
+export class Decimal128 {
+  _bsontype!: 'Decimal128';
+
+  readonly bytes!: Buffer;
+
+  /**
+   * @param bytes - a buffer containing the raw Decimal128 bytes in little endian order,
+   *                or a string representation as returned by .toString()
+   */
+  constructor(bytes: Buffer | string) {
+    if (!(this instanceof Decimal128)) return new Decimal128(bytes);
+
+    if (typeof bytes === 'string') {
+      this.bytes = Decimal128.fromString(bytes).bytes;
+    } else if (isUint8Array(bytes)) {
+      if (bytes.byteLength !== 16) {
+        throw new BSONTypeError('Decimal128 must take a Buffer of 16 bytes');
+      }
+      this.bytes = bytes;
+    } else {
+      throw new BSONTypeError('Decimal128 must take a Buffer or string');
+    }
+  }
+
+  /**
+   * Create a Decimal128 instance from a string representation
+   *
+   * @param representation - a numeric string representation.
+   */
+  static fromString(representation: string): Decimal128 {
+    // Parse state tracking
+    let isNegative = false;
+    let sawRadix = false;
+    let foundNonZero = false;
+
+    // Total number of significant digits (no leading or trailing zero)
+    let significantDigits = 0;
+    // Total number of significand digits read
+    let nDigitsRead = 0;
+    // Total number of digits (no leading zeros)
+    let nDigits = 0;
+    // The number of the digits after radix
+    let radixPosition = 0;
+    // The index of the first non-zero in *str*
+    let firstNonZero = 0;
+
+    // Digits Array
+    const digits = [0];
+    // The number of digits in digits
+    let nDigitsStored = 0;
+    // Insertion pointer for digits
+    let digitsInsert = 0;
+    // The index of the first non-zero digit
+    let firstDigit = 0;
+    // The index of the last digit
+    let lastDigit = 0;
+
+    // Exponent
+    let exponent = 0;
+    // loop index over array
+    let i = 0;
+    // The high 17 digits of the significand
+    let significandHigh = new Long(0, 0);
+    // The low 17 digits of the significand
+    let significandLow = new Long(0, 0);
+    // The biased exponent
+    let biasedExponent = 0;
+
+    // Read index
+    let index = 0;
+
+    // Naively prevent against REDOS attacks.
+    // TODO: implementing a custom parsing for this, or refactoring the regex would yield
+    //       further gains.
+    if (representation.length >= 7000) {
+      throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+    }
+
+    // Results
+    const stringMatch = representation.match(PARSE_STRING_REGEXP);
+    const infMatch = representation.match(PARSE_INF_REGEXP);
+    const nanMatch = representation.match(PARSE_NAN_REGEXP);
+
+    // Validate the string
+    if ((!stringMatch && !infMatch && !nanMatch) || representation.length === 0) {
+      throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+    }
+
+    if (stringMatch) {
+      // full_match = stringMatch[0]
+      // sign = stringMatch[1]
+
+      const unsignedNumber = stringMatch[2];
+      // stringMatch[3] is undefined if a whole number (ex "1", 12")
+      // but defined if a number w/ decimal in it (ex "1.0, 12.2")
+
+      const e = stringMatch[4];
+      const expSign = stringMatch[5];
+      const expNumber = stringMatch[6];
+
+      // they provided e, but didn't give an exponent number. for ex "1e"
+      if (e && expNumber === undefined) invalidErr(representation, 'missing exponent power');
+
+      // they provided e, but didn't give a number before it. for ex "e1"
+      if (e && unsignedNumber === undefined) invalidErr(representation, 'missing exponent base');
+
+      if (e === undefined && (expSign || expNumber)) {
+        invalidErr(representation, 'missing e before exponent');
+      }
+    }
+
+    // Get the negative or positive sign
+    if (representation[index] === '+' || representation[index] === '-') {
+      isNegative = representation[index++] === '-';
+    }
+
+    // Check if user passed Infinity or NaN
+    if (!isDigit(representation[index]) && representation[index] !== '.') {
+      if (representation[index] === 'i' || representation[index] === 'I') {
+        return new Decimal128(Buffer.from(isNegative ? INF_NEGATIVE_BUFFER : INF_POSITIVE_BUFFER));
+      } else if (representation[index] === 'N') {
+        return new Decimal128(Buffer.from(NAN_BUFFER));
+      }
+    }
+
+    // Read all the digits
+    while (isDigit(representation[index]) || representation[index] === '.') {
+      if (representation[index] === '.') {
+        if (sawRadix) invalidErr(representation, 'contains multiple periods');
+
+        sawRadix = true;
+        index = index + 1;
+        continue;
+      }
+
+      if (nDigitsStored < 34) {
+        if (representation[index] !== '0' || foundNonZero) {
+          if (!foundNonZero) {
+            firstNonZero = nDigitsRead;
+          }
+
+          foundNonZero = true;
+
+          // Only store 34 digits
+          digits[digitsInsert++] = parseInt(representation[index], 10);
+          nDigitsStored = nDigitsStored + 1;
+        }
+      }
+
+      if (foundNonZero) nDigits = nDigits + 1;
+      if (sawRadix) radixPosition = radixPosition + 1;
+
+      nDigitsRead = nDigitsRead + 1;
+      index = index + 1;
+    }
+
+    if (sawRadix && !nDigitsRead)
+      throw new BSONTypeError('' + representation + ' not a valid Decimal128 string');
+
+    // Read exponent if exists
+    if (representation[index] === 'e' || representation[index] === 'E') {
+      // Read exponent digits
+      const match = representation.substr(++index).match(EXPONENT_REGEX);
+
+      // No digits read
+      if (!match || !match[2]) return new Decimal128(Buffer.from(NAN_BUFFER));
+
+      // Get exponent
+      exponent = parseInt(match[0], 10);
+
+      // Adjust the index
+      index = index + match[0].length;
+    }
+
+    // Return not a number
+    if (representation[index]) return new Decimal128(Buffer.from(NAN_BUFFER));
+
+    // Done reading input
+    // Find first non-zero digit in digits
+    firstDigit = 0;
+
+    if (!nDigitsStored) {
+      firstDigit = 0;
+      lastDigit = 0;
+      digits[0] = 0;
+      nDigits = 1;
+      nDigitsStored = 1;
+      significantDigits = 0;
+    } else {
+      lastDigit = nDigitsStored - 1;
+      significantDigits = nDigits;
+      if (significantDigits !== 1) {
+        while (digits[firstNonZero + significantDigits - 1] === 0) {
+          significantDigits = significantDigits - 1;
+        }
+      }
+    }
+
+    // Normalization of exponent
+    // Correct exponent based on radix position, and shift significand as needed
+    // to represent user input
+
+    // Overflow prevention
+    if (exponent <= radixPosition && radixPosition - exponent > 1 << 14) {
+      exponent = EXPONENT_MIN;
+    } else {
+      exponent = exponent - radixPosition;
+    }
+
+    // Attempt to normalize the exponent
+    while (exponent > EXPONENT_MAX) {
+      // Shift exponent to significand and decrease
+      lastDigit = lastDigit + 1;
+
+      if (lastDigit - firstDigit > MAX_DIGITS) {
+        // Check if we have a zero then just hard clamp, otherwise fail
+        const digitsString = digits.join('');
+        if (digitsString.match(/^0+$/)) {
+          exponent = EXPONENT_MAX;
+          break;
+        }
+
+        invalidErr(representation, 'overflow');
+      }
+      exponent = exponent - 1;
+    }
+
+    while (exponent < EXPONENT_MIN || nDigitsStored < nDigits) {
+      // Shift last digit. can only do this if < significant digits than # stored.
+      if (lastDigit === 0 && significantDigits < nDigitsStored) {
+        exponent = EXPONENT_MIN;
+        significantDigits = 0;
+        break;
+      }
+
+      if (nDigitsStored < nDigits) {
+        // adjust to match digits not stored
+        nDigits = nDigits - 1;
+      } else {
+        // adjust to round
+        lastDigit = lastDigit - 1;
+      }
+
+      if (exponent < EXPONENT_MAX) {
+        exponent = exponent + 1;
+      } else {
+        // Check if we have a zero then just hard clamp, otherwise fail
+        const digitsString = digits.join('');
+        if (digitsString.match(/^0+$/)) {
+          exponent = EXPONENT_MAX;
+          break;
+        }
+        invalidErr(representation, 'overflow');
+      }
+    }
+
+    // Round
+    // We've normalized the exponent, but might still need to round.
+    if (lastDigit - firstDigit + 1 < significantDigits) {
+      let endOfString = nDigitsRead;
+
+      // If we have seen a radix point, 'string' is 1 longer than we have
+      // documented with ndigits_read, so inc the position of the first nonzero
+      // digit and the position that digits are read to.
+      if (sawRadix) {
+        firstNonZero = firstNonZero + 1;
+        endOfString = endOfString + 1;
+      }
+      // if negative, we need to increment again to account for - sign at start.
+      if (isNegative) {
+        firstNonZero = firstNonZero + 1;
+        endOfString = endOfString + 1;
+      }
+
+      const roundDigit = parseInt(representation[firstNonZero + lastDigit + 1], 10);
+      let roundBit = 0;
+
+      if (roundDigit >= 5) {
+        roundBit = 1;
+        if (roundDigit === 5) {
+          roundBit = digits[lastDigit] % 2 === 1 ? 1 : 0;
+          for (i = firstNonZero + lastDigit + 2; i < endOfString; i++) {
+            if (parseInt(representation[i], 10)) {
+              roundBit = 1;
+              break;
+            }
+          }
+        }
+      }
+
+      if (roundBit) {
+        let dIdx = lastDigit;
+
+        for (; dIdx >= 0; dIdx--) {
+          if (++digits[dIdx] > 9) {
+            digits[dIdx] = 0;
+
+            // overflowed most significant digit
+            if (dIdx === 0) {
+              if (exponent < EXPONENT_MAX) {
+                exponent = exponent + 1;
+                digits[dIdx] = 1;
+              } else {
+                return new Decimal128(
+                  Buffer.from(isNegative ? INF_NEGATIVE_BUFFER : INF_POSITIVE_BUFFER)
+                );
+              }
+            }
+          }
+        }
+      }
+    }
+
+    // Encode significand
+    // The high 17 digits of the significand
+    significandHigh = Long.fromNumber(0);
+    // The low 17 digits of the significand
+    significandLow = Long.fromNumber(0);
+
+    // read a zero
+    if (significantDigits === 0) {
+      significandHigh = Long.fromNumber(0);
+      significandLow = Long.fromNumber(0);
+    } else if (lastDigit - firstDigit < 17) {
+      let dIdx = firstDigit;
+      significandLow = Long.fromNumber(digits[dIdx++]);
+      significandHigh = new Long(0, 0);
+
+      for (; dIdx <= lastDigit; dIdx++) {
+        significandLow = significandLow.multiply(Long.fromNumber(10));
+        significandLow = significandLow.add(Long.fromNumber(digits[dIdx]));
+      }
+    } else {
+      let dIdx = firstDigit;
+      significandHigh = Long.fromNumber(digits[dIdx++]);
+
+      for (; dIdx <= lastDigit - 17; dIdx++) {
+        significandHigh = significandHigh.multiply(Long.fromNumber(10));
+        significandHigh = significandHigh.add(Long.fromNumber(digits[dIdx]));
+      }
+
+      significandLow = Long.fromNumber(digits[dIdx++]);
+
+      for (; dIdx <= lastDigit; dIdx++) {
+        significandLow = significandLow.multiply(Long.fromNumber(10));
+        significandLow = significandLow.add(Long.fromNumber(digits[dIdx]));
+      }
+    }
+
+    const significand = multiply64x2(significandHigh, Long.fromString('100000000000000000'));
+    significand.low = significand.low.add(significandLow);
+
+    if (lessThan(significand.low, significandLow)) {
+      significand.high = significand.high.add(Long.fromNumber(1));
+    }
+
+    // Biased exponent
+    biasedExponent = exponent + EXPONENT_BIAS;
+    const dec = { low: Long.fromNumber(0), high: Long.fromNumber(0) };
+
+    // Encode combination, exponent, and significand.
+    if (
+      significand.high.shiftRightUnsigned(49).and(Long.fromNumber(1)).equals(Long.fromNumber(1))
+    ) {
+      // Encode '11' into bits 1 to 3
+      dec.high = dec.high.or(Long.fromNumber(0x3).shiftLeft(61));
+      dec.high = dec.high.or(
+        Long.fromNumber(biasedExponent).and(Long.fromNumber(0x3fff).shiftLeft(47))
+      );
+      dec.high = dec.high.or(significand.high.and(Long.fromNumber(0x7fffffffffff)));
+    } else {
+      dec.high = dec.high.or(Long.fromNumber(biasedExponent & 0x3fff).shiftLeft(49));
+      dec.high = dec.high.or(significand.high.and(Long.fromNumber(0x1ffffffffffff)));
+    }
+
+    dec.low = significand.low;
+
+    // Encode sign
+    if (isNegative) {
+      dec.high = dec.high.or(Long.fromString('9223372036854775808'));
+    }
+
+    // Encode into a buffer
+    const buffer = Buffer.alloc(16);
+    index = 0;
+
+    // Encode the low 64 bits of the decimal
+    // Encode low bits
+    buffer[index++] = dec.low.low & 0xff;
+    buffer[index++] = (dec.low.low >> 8) & 0xff;
+    buffer[index++] = (dec.low.low >> 16) & 0xff;
+    buffer[index++] = (dec.low.low >> 24) & 0xff;
+    // Encode high bits
+    buffer[index++] = dec.low.high & 0xff;
+    buffer[index++] = (dec.low.high >> 8) & 0xff;
+    buffer[index++] = (dec.low.high >> 16) & 0xff;
+    buffer[index++] = (dec.low.high >> 24) & 0xff;
+
+    // Encode the high 64 bits of the decimal
+    // Encode low bits
+    buffer[index++] = dec.high.low & 0xff;
+    buffer[index++] = (dec.high.low >> 8) & 0xff;
+    buffer[index++] = (dec.high.low >> 16) & 0xff;
+    buffer[index++] = (dec.high.low >> 24) & 0xff;
+    // Encode high bits
+    buffer[index++] = dec.high.high & 0xff;
+    buffer[index++] = (dec.high.high >> 8) & 0xff;
+    buffer[index++] = (dec.high.high >> 16) & 0xff;
+    buffer[index++] = (dec.high.high >> 24) & 0xff;
+
+    // Return the new Decimal128
+    return new Decimal128(buffer);
+  }
+
+  /** Create a string representation of the raw Decimal128 value */
+  toString(): string {
+    // Note: bits in this routine are referred to starting at 0,
+    // from the sign bit, towards the coefficient.
+
+    // decoded biased exponent (14 bits)
+    let biased_exponent;
+    // the number of significand digits
+    let significand_digits = 0;
+    // the base-10 digits in the significand
+    const significand = new Array<number>(36);
+    for (let i = 0; i < significand.length; i++) significand[i] = 0;
+    // read pointer into significand
+    let index = 0;
+
+    // true if the number is zero
+    let is_zero = false;
+
+    // the most significant significand bits (50-46)
+    let significand_msb;
+    // temporary storage for significand decoding
+    let significand128: { parts: [number, number, number, number] } = { parts: [0, 0, 0, 0] };
+    // indexing variables
+    let j, k;
+
+    // Output string
+    const string: string[] = [];
+
+    // Unpack index
+    index = 0;
+
+    // Buffer reference
+    const buffer = this.bytes;
+
+    // Unpack the low 64bits into a long
+    // bits 96 - 127
+    const low =
+      buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+    // bits 64 - 95
+    const midl =
+      buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+
+    // Unpack the high 64bits into a long
+    // bits 32 - 63
+    const midh =
+      buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+    // bits 0 - 31
+    const high =
+      buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+
+    // Unpack index
+    index = 0;
+
+    // Create the state of the decimal
+    const dec = {
+      low: new Long(low, midl),
+      high: new Long(midh, high)
+    };
+
+    if (dec.high.lessThan(Long.ZERO)) {
+      string.push('-');
+    }
+
+    // Decode combination field and exponent
+    // bits 1 - 5
+    const combination = (high >> 26) & COMBINATION_MASK;
+
+    if (combination >> 3 === 3) {
+      // Check for 'special' values
+      if (combination === COMBINATION_INFINITY) {
+        return string.join('') + 'Infinity';
+      } else if (combination === COMBINATION_NAN) {
+        return 'NaN';
+      } else {
+        biased_exponent = (high >> 15) & EXPONENT_MASK;
+        significand_msb = 0x08 + ((high >> 14) & 0x01);
+      }
+    } else {
+      significand_msb = (high >> 14) & 0x07;
+      biased_exponent = (high >> 17) & EXPONENT_MASK;
+    }
+
+    // unbiased exponent
+    const exponent = biased_exponent - EXPONENT_BIAS;
+
+    // Create string of significand digits
+
+    // Convert the 114-bit binary number represented by
+    // (significand_high, significand_low) to at most 34 decimal
+    // digits through modulo and division.
+    significand128.parts[0] = (high & 0x3fff) + ((significand_msb & 0xf) << 14);
+    significand128.parts[1] = midh;
+    significand128.parts[2] = midl;
+    significand128.parts[3] = low;
+
+    if (
+      significand128.parts[0] === 0 &&
+      significand128.parts[1] === 0 &&
+      significand128.parts[2] === 0 &&
+      significand128.parts[3] === 0
+    ) {
+      is_zero = true;
+    } else {
+      for (k = 3; k >= 0; k--) {
+        let least_digits = 0;
+        // Perform the divide
+        const result = divideu128(significand128);
+        significand128 = result.quotient;
+        least_digits = result.rem.low;
+
+        // We now have the 9 least significant digits (in base 2).
+        // Convert and output to string.
+        if (!least_digits) continue;
+
+        for (j = 8; j >= 0; j--) {
+          // significand[k * 9 + j] = Math.round(least_digits % 10);
+          significand[k * 9 + j] = least_digits % 10;
+          // least_digits = Math.round(least_digits / 10);
+          least_digits = Math.floor(least_digits / 10);
+        }
+      }
+    }
+
+    // Output format options:
+    // Scientific - [-]d.dddE(+/-)dd or [-]dE(+/-)dd
+    // Regular    - ddd.ddd
+
+    if (is_zero) {
+      significand_digits = 1;
+      significand[index] = 0;
+    } else {
+      significand_digits = 36;
+      while (!significand[index]) {
+        significand_digits = significand_digits - 1;
+        index = index + 1;
+      }
+    }
+
+    // the exponent if scientific notation is used
+    const scientific_exponent = significand_digits - 1 + exponent;
+
+    // The scientific exponent checks are dictated by the string conversion
+    // specification and are somewhat arbitrary cutoffs.
+    //
+    // We must check exponent > 0, because if this is the case, the number
+    // has trailing zeros.  However, we *cannot* output these trailing zeros,
+    // because doing so would change the precision of the value, and would
+    // change stored data if the string converted number is round tripped.
+    if (scientific_exponent >= 34 || scientific_exponent <= -7 || exponent > 0) {
+      // Scientific format
+
+      // if there are too many significant digits, we should just be treating numbers
+      // as + or - 0 and using the non-scientific exponent (this is for the "invalid
+      // representation should be treated as 0/-0" spec cases in decimal128-1.json)
+      if (significand_digits > 34) {
+        string.push(`${0}`);
+        if (exponent > 0) string.push(`E+${exponent}`);
+        else if (exponent < 0) string.push(`E${exponent}`);
+        return string.join('');
+      }
+
+      string.push(`${significand[index++]}`);
+      significand_digits = significand_digits - 1;
+
+      if (significand_digits) {
+        string.push('.');
+      }
+
+      for (let i = 0; i < significand_digits; i++) {
+        string.push(`${significand[index++]}`);
+      }
+
+      // Exponent
+      string.push('E');
+      if (scientific_exponent > 0) {
+        string.push(`+${scientific_exponent}`);
+      } else {
+        string.push(`${scientific_exponent}`);
+      }
+    } else {
+      // Regular format with no decimal place
+      if (exponent >= 0) {
+        for (let i = 0; i < significand_digits; i++) {
+          string.push(`${significand[index++]}`);
+        }
+      } else {
+        let radix_position = significand_digits + exponent;
+
+        // non-zero digits before radix
+        if (radix_position > 0) {
+          for (let i = 0; i < radix_position; i++) {
+            string.push(`${significand[index++]}`);
+          }
+        } else {
+          string.push('0');
+        }
+
+        string.push('.');
+        // add leading zeros after radix
+        while (radix_position++ < 0) {
+          string.push('0');
+        }
+
+        for (let i = 0; i < significand_digits - Math.max(radix_position - 1, 0); i++) {
+          string.push(`${significand[index++]}`);
+        }
+      }
+    }
+
+    return string.join('');
+  }
+
+  toJSON(): Decimal128Extended {
+    return { $numberDecimal: this.toString() };
+  }
+
+  /** @internal */
+  toExtendedJSON(): Decimal128Extended {
+    return { $numberDecimal: this.toString() };
+  }
+
+  /** @internal */
+  static fromExtendedJSON(doc: Decimal128Extended): Decimal128 {
+    return Decimal128.fromString(doc.$numberDecimal);
+  }
+
+  /** @internal */
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    return `new Decimal128("${this.toString()}")`;
+  }
+}
+
+Object.defineProperty(Decimal128.prototype, '_bsontype', { value: 'Decimal128' });
diff --git a/node_modules/bson/src/double.ts b/node_modules/bson/src/double.ts
new file mode 100644
index 000000000..51bbf22d7
--- /dev/null
+++ b/node_modules/bson/src/double.ts
@@ -0,0 +1,91 @@
+import type { EJSONOptions } from './extended_json';
+
+/** @public */
+export interface DoubleExtended {
+  $numberDouble: string;
+}
+
+/**
+ * A class representation of the BSON Double type.
+ * @public
+ * @category BSONType
+ */
+export class Double {
+  _bsontype!: 'Double';
+
+  value!: number;
+  /**
+   * Create a Double type
+   *
+   * @param value - the number we want to represent as a double.
+   */
+  constructor(value: number) {
+    if (!(this instanceof Double)) return new Double(value);
+
+    if ((value as unknown) instanceof Number) {
+      value = value.valueOf();
+    }
+
+    this.value = +value;
+  }
+
+  /**
+   * Access the number value.
+   *
+   * @returns returns the wrapped double number.
+   */
+  valueOf(): number {
+    return this.value;
+  }
+
+  toJSON(): number {
+    return this.value;
+  }
+
+  toString(radix?: number): string {
+    return this.value.toString(radix);
+  }
+
+  /** @internal */
+  toExtendedJSON(options?: EJSONOptions): number | DoubleExtended {
+    if (options && (options.legacy || (options.relaxed && isFinite(this.value)))) {
+      return this.value;
+    }
+
+    // NOTE: JavaScript has +0 and -0, apparently to model limit calculations. If a user
+    // explicitly provided `-0` then we need to ensure the sign makes it into the output
+    if (Object.is(Math.sign(this.value), -0)) {
+      return { $numberDouble: `-${this.value.toFixed(1)}` };
+    }
+
+    let $numberDouble: string;
+    if (Number.isInteger(this.value)) {
+      $numberDouble = this.value.toFixed(1);
+      if ($numberDouble.length >= 13) {
+        $numberDouble = this.value.toExponential(13).toUpperCase();
+      }
+    } else {
+      $numberDouble = this.value.toString();
+    }
+
+    return { $numberDouble };
+  }
+
+  /** @internal */
+  static fromExtendedJSON(doc: DoubleExtended, options?: EJSONOptions): number | Double {
+    const doubleValue = parseFloat(doc.$numberDouble);
+    return options && options.relaxed ? doubleValue : new Double(doubleValue);
+  }
+
+  /** @internal */
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    const eJSON = this.toExtendedJSON() as DoubleExtended;
+    return `new Double(${eJSON.$numberDouble})`;
+  }
+}
+
+Object.defineProperty(Double.prototype, '_bsontype', { value: 'Double' });
diff --git a/node_modules/bson/src/ensure_buffer.ts b/node_modules/bson/src/ensure_buffer.ts
new file mode 100644
index 000000000..8b82a085e
--- /dev/null
+++ b/node_modules/bson/src/ensure_buffer.ts
@@ -0,0 +1,27 @@
+import { Buffer } from 'buffer';
+import { BSONTypeError } from './error';
+import { isAnyArrayBuffer } from './parser/utils';
+
+/**
+ * Makes sure that, if a Uint8Array is passed in, it is wrapped in a Buffer.
+ *
+ * @param potentialBuffer - The potential buffer
+ * @returns Buffer the input if potentialBuffer is a buffer, or a buffer that
+ * wraps a passed in Uint8Array
+ * @throws BSONTypeError If anything other than a Buffer or Uint8Array is passed in
+ */
+export function ensureBuffer(potentialBuffer: Buffer | ArrayBufferView | ArrayBuffer): Buffer {
+  if (ArrayBuffer.isView(potentialBuffer)) {
+    return Buffer.from(
+      potentialBuffer.buffer,
+      potentialBuffer.byteOffset,
+      potentialBuffer.byteLength
+    );
+  }
+
+  if (isAnyArrayBuffer(potentialBuffer)) {
+    return Buffer.from(potentialBuffer);
+  }
+
+  throw new BSONTypeError('Must use either Buffer or TypedArray');
+}
diff --git a/node_modules/bson/src/error.ts b/node_modules/bson/src/error.ts
new file mode 100644
index 000000000..8f1a41736
--- /dev/null
+++ b/node_modules/bson/src/error.ts
@@ -0,0 +1,23 @@
+/** @public */
+export class BSONError extends Error {
+  constructor(message: string) {
+    super(message);
+    Object.setPrototypeOf(this, BSONError.prototype);
+  }
+
+  get name(): string {
+    return 'BSONError';
+  }
+}
+
+/** @public */
+export class BSONTypeError extends TypeError {
+  constructor(message: string) {
+    super(message);
+    Object.setPrototypeOf(this, BSONTypeError.prototype);
+  }
+
+  get name(): string {
+    return 'BSONTypeError';
+  }
+}
diff --git a/node_modules/bson/src/extended_json.ts b/node_modules/bson/src/extended_json.ts
new file mode 100644
index 000000000..90269623b
--- /dev/null
+++ b/node_modules/bson/src/extended_json.ts
@@ -0,0 +1,462 @@
+import { Binary } from './binary';
+import type { Document } from './bson';
+import { Code } from './code';
+import { DBRef, isDBRefLike } from './db_ref';
+import { Decimal128 } from './decimal128';
+import { Double } from './double';
+import { BSONError, BSONTypeError } from './error';
+import { Int32 } from './int_32';
+import { Long } from './long';
+import { MaxKey } from './max_key';
+import { MinKey } from './min_key';
+import { ObjectId } from './objectid';
+import { isDate, isObjectLike, isRegExp } from './parser/utils';
+import { BSONRegExp } from './regexp';
+import { BSONSymbol } from './symbol';
+import { Timestamp } from './timestamp';
+
+/** @public */
+export type EJSONOptions = EJSON.Options;
+
+/** @internal */
+type BSONType =
+  | Binary
+  | Code
+  | DBRef
+  | Decimal128
+  | Double
+  | Int32
+  | Long
+  | MaxKey
+  | MinKey
+  | ObjectId
+  | BSONRegExp
+  | BSONSymbol
+  | Timestamp;
+
+export function isBSONType(value: unknown): value is BSONType {
+  return (
+    isObjectLike(value) && Reflect.has(value, '_bsontype') && typeof value._bsontype === 'string'
+  );
+}
+
+// INT32 boundaries
+const BSON_INT32_MAX = 0x7fffffff;
+const BSON_INT32_MIN = -0x80000000;
+// INT64 boundaries
+// const BSON_INT64_MAX = 0x7fffffffffffffff; // TODO(NODE-4377): This number cannot be precisely represented in JS
+const BSON_INT64_MAX = 0x8000000000000000;
+const BSON_INT64_MIN = -0x8000000000000000;
+
+// all the types where we don't need to do any special processing and can just pass the EJSON
+//straight to type.fromExtendedJSON
+const keysToCodecs = {
+  $oid: ObjectId,
+  $binary: Binary,
+  $uuid: Binary,
+  $symbol: BSONSymbol,
+  $numberInt: Int32,
+  $numberDecimal: Decimal128,
+  $numberDouble: Double,
+  $numberLong: Long,
+  $minKey: MinKey,
+  $maxKey: MaxKey,
+  $regex: BSONRegExp,
+  $regularExpression: BSONRegExp,
+  $timestamp: Timestamp
+} as const;
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function deserializeValue(value: any, options: EJSON.Options = {}) {
+  if (typeof value === 'number') {
+    if (options.relaxed || options.legacy) {
+      return value;
+    }
+
+    // if it's an integer, should interpret as smallest BSON integer
+    // that can represent it exactly. (if out of range, interpret as double.)
+    if (Math.floor(value) === value) {
+      if (value >= BSON_INT32_MIN && value <= BSON_INT32_MAX) return new Int32(value);
+      if (value >= BSON_INT64_MIN && value <= BSON_INT64_MAX) return Long.fromNumber(value);
+    }
+
+    // If the number is a non-integer or out of integer range, should interpret as BSON Double.
+    return new Double(value);
+  }
+
+  // from here on out we're looking for bson types, so bail if its not an object
+  if (value == null || typeof value !== 'object') return value;
+
+  // upgrade deprecated undefined to null
+  if (value.$undefined) return null;
+
+  const keys = Object.keys(value).filter(
+    k => k.startsWith('$') && value[k] != null
+  ) as (keyof typeof keysToCodecs)[];
+  for (let i = 0; i < keys.length; i++) {
+    const c = keysToCodecs[keys[i]];
+    if (c) return c.fromExtendedJSON(value, options);
+  }
+
+  if (value.$date != null) {
+    const d = value.$date;
+    const date = new Date();
+
+    if (options.legacy) {
+      if (typeof d === 'number') date.setTime(d);
+      else if (typeof d === 'string') date.setTime(Date.parse(d));
+    } else {
+      if (typeof d === 'string') date.setTime(Date.parse(d));
+      else if (Long.isLong(d)) date.setTime(d.toNumber());
+      else if (typeof d === 'number' && options.relaxed) date.setTime(d);
+    }
+    return date;
+  }
+
+  if (value.$code != null) {
+    const copy = Object.assign({}, value);
+    if (value.$scope) {
+      copy.$scope = deserializeValue(value.$scope);
+    }
+
+    return Code.fromExtendedJSON(value);
+  }
+
+  if (isDBRefLike(value) || value.$dbPointer) {
+    const v = value.$ref ? value : value.$dbPointer;
+
+    // we run into this in a "degenerate EJSON" case (with $id and $ref order flipped)
+    // because of the order JSON.parse goes through the document
+    if (v instanceof DBRef) return v;
+
+    const dollarKeys = Object.keys(v).filter(k => k.startsWith('$'));
+    let valid = true;
+    dollarKeys.forEach(k => {
+      if (['$ref', '$id', '$db'].indexOf(k) === -1) valid = false;
+    });
+
+    // only make DBRef if $ keys are all valid
+    if (valid) return DBRef.fromExtendedJSON(v);
+  }
+
+  return value;
+}
+
+type EJSONSerializeOptions = EJSON.Options & {
+  seenObjects: { obj: unknown; propertyName: string }[];
+};
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function serializeArray(array: any[], options: EJSONSerializeOptions): any[] {
+  return array.map((v: unknown, index: number) => {
+    options.seenObjects.push({ propertyName: `index ${index}`, obj: null });
+    try {
+      return serializeValue(v, options);
+    } finally {
+      options.seenObjects.pop();
+    }
+  });
+}
+
+function getISOString(date: Date) {
+  const isoStr = date.toISOString();
+  // we should only show milliseconds in timestamp if they're non-zero
+  return date.getUTCMilliseconds() !== 0 ? isoStr : isoStr.slice(0, -5) + 'Z';
+}
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function serializeValue(value: any, options: EJSONSerializeOptions): any {
+  if ((typeof value === 'object' || typeof value === 'function') && value !== null) {
+    const index = options.seenObjects.findIndex(entry => entry.obj === value);
+    if (index !== -1) {
+      const props = options.seenObjects.map(entry => entry.propertyName);
+      const leadingPart = props
+        .slice(0, index)
+        .map(prop => `${prop} -> `)
+        .join('');
+      const alreadySeen = props[index];
+      const circularPart =
+        ' -> ' +
+        props
+          .slice(index + 1, props.length - 1)
+          .map(prop => `${prop} -> `)
+          .join('');
+      const current = props[props.length - 1];
+      const leadingSpace = ' '.repeat(leadingPart.length + alreadySeen.length / 2);
+      const dashes = '-'.repeat(
+        circularPart.length + (alreadySeen.length + current.length) / 2 - 1
+      );
+
+      throw new BSONTypeError(
+        'Converting circular structure to EJSON:\n' +
+          `    ${leadingPart}${alreadySeen}${circularPart}${current}\n` +
+          `    ${leadingSpace}\\${dashes}/`
+      );
+    }
+    options.seenObjects[options.seenObjects.length - 1].obj = value;
+  }
+
+  if (Array.isArray(value)) return serializeArray(value, options);
+
+  if (value === undefined) return null;
+
+  if (value instanceof Date || isDate(value)) {
+    const dateNum = value.getTime(),
+      // is it in year range 1970-9999?
+      inRange = dateNum > -1 && dateNum < 253402318800000;
+
+    if (options.legacy) {
+      return options.relaxed && inRange
+        ? { $date: value.getTime() }
+        : { $date: getISOString(value) };
+    }
+    return options.relaxed && inRange
+      ? { $date: getISOString(value) }
+      : { $date: { $numberLong: value.getTime().toString() } };
+  }
+
+  if (typeof value === 'number' && (!options.relaxed || !isFinite(value))) {
+    // it's an integer
+    if (Math.floor(value) === value) {
+      const int32Range = value >= BSON_INT32_MIN && value <= BSON_INT32_MAX,
+        int64Range = value >= BSON_INT64_MIN && value <= BSON_INT64_MAX;
+
+      // interpret as being of the smallest BSON integer type that can represent the number exactly
+      if (int32Range) return { $numberInt: value.toString() };
+      if (int64Range) return { $numberLong: value.toString() };
+    }
+    return { $numberDouble: value.toString() };
+  }
+
+  if (value instanceof RegExp || isRegExp(value)) {
+    let flags = value.flags;
+    if (flags === undefined) {
+      const match = value.toString().match(/[gimuy]*$/);
+      if (match) {
+        flags = match[0];
+      }
+    }
+
+    const rx = new BSONRegExp(value.source, flags);
+    return rx.toExtendedJSON(options);
+  }
+
+  if (value != null && typeof value === 'object') return serializeDocument(value, options);
+  return value;
+}
+
+const BSON_TYPE_MAPPINGS = {
+  Binary: (o: Binary) => new Binary(o.value(), o.sub_type),
+  Code: (o: Code) => new Code(o.code, o.scope),
+  DBRef: (o: DBRef) => new DBRef(o.collection || o.namespace, o.oid, o.db, o.fields), // "namespace" for 1.x library backwards compat
+  Decimal128: (o: Decimal128) => new Decimal128(o.bytes),
+  Double: (o: Double) => new Double(o.value),
+  Int32: (o: Int32) => new Int32(o.value),
+  Long: (
+    o: Long & {
+      low_: number;
+      high_: number;
+      unsigned_: boolean | undefined;
+    }
+  ) =>
+    Long.fromBits(
+      // underscore variants for 1.x backwards compatibility
+      o.low != null ? o.low : o.low_,
+      o.low != null ? o.high : o.high_,
+      o.low != null ? o.unsigned : o.unsigned_
+    ),
+  MaxKey: () => new MaxKey(),
+  MinKey: () => new MinKey(),
+  ObjectID: (o: ObjectId) => new ObjectId(o),
+  ObjectId: (o: ObjectId) => new ObjectId(o), // support 4.0.0/4.0.1 before _bsontype was reverted back to ObjectID
+  BSONRegExp: (o: BSONRegExp) => new BSONRegExp(o.pattern, o.options),
+  Symbol: (o: BSONSymbol) => new BSONSymbol(o.value),
+  Timestamp: (o: Timestamp) => Timestamp.fromBits(o.low, o.high)
+} as const;
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function serializeDocument(doc: any, options: EJSONSerializeOptions) {
+  if (doc == null || typeof doc !== 'object') throw new BSONError('not an object instance');
+
+  const bsontype: BSONType['_bsontype'] = doc._bsontype;
+  if (typeof bsontype === 'undefined') {
+    // It's a regular object. Recursively serialize its property values.
+    const _doc: Document = {};
+    for (const name in doc) {
+      options.seenObjects.push({ propertyName: name, obj: null });
+      try {
+        const value = serializeValue(doc[name], options);
+        if (name === '__proto__') {
+          Object.defineProperty(_doc, name, {
+            value,
+            writable: true,
+            enumerable: true,
+            configurable: true
+          });
+        } else {
+          _doc[name] = value;
+        }
+      } finally {
+        options.seenObjects.pop();
+      }
+    }
+    return _doc;
+  } else if (isBSONType(doc)) {
+    // the "document" is really just a BSON type object
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    let outDoc: any = doc;
+    if (typeof outDoc.toExtendedJSON !== 'function') {
+      // There's no EJSON serialization function on the object. It's probably an
+      // object created by a previous version of this library (or another library)
+      // that's duck-typing objects to look like they were generated by this library).
+      // Copy the object into this library's version of that type.
+      const mapper = BSON_TYPE_MAPPINGS[doc._bsontype];
+      if (!mapper) {
+        throw new BSONTypeError('Unrecognized or invalid _bsontype: ' + doc._bsontype);
+      }
+      outDoc = mapper(outDoc);
+    }
+
+    // Two BSON types may have nested objects that may need to be serialized too
+    if (bsontype === 'Code' && outDoc.scope) {
+      outDoc = new Code(outDoc.code, serializeValue(outDoc.scope, options));
+    } else if (bsontype === 'DBRef' && outDoc.oid) {
+      outDoc = new DBRef(
+        serializeValue(outDoc.collection, options),
+        serializeValue(outDoc.oid, options),
+        serializeValue(outDoc.db, options),
+        serializeValue(outDoc.fields, options)
+      );
+    }
+
+    return outDoc.toExtendedJSON(options);
+  } else {
+    throw new BSONError('_bsontype must be a string, but was: ' + typeof bsontype);
+  }
+}
+
+/**
+ * EJSON parse / stringify API
+ * @public
+ */
+// the namespace here is used to emulate `export * as EJSON from '...'`
+// which as of now (sept 2020) api-extractor does not support
+// eslint-disable-next-line @typescript-eslint/no-namespace
+export namespace EJSON {
+  export interface Options {
+    /** Output using the Extended JSON v1 spec */
+    legacy?: boolean;
+    /** Enable Extended JSON's `relaxed` mode, which attempts to return native JS types where possible, rather than BSON types */
+    relaxed?: boolean;
+    /**
+     * Disable Extended JSON's `relaxed` mode, which attempts to return BSON types where possible, rather than native JS types
+     * @deprecated Please use the relaxed property instead
+     */
+    strict?: boolean;
+  }
+
+  /**
+   * Parse an Extended JSON string, constructing the JavaScript value or object described by that
+   * string.
+   *
+   * @example
+   * ```js
+   * const { EJSON } = require('bson');
+   * const text = '{ "int32": { "$numberInt": "10" } }';
+   *
+   * // prints { int32: { [String: '10'] _bsontype: 'Int32', value: '10' } }
+   * console.log(EJSON.parse(text, { relaxed: false }));
+   *
+   * // prints { int32: 10 }
+   * console.log(EJSON.parse(text));
+   * ```
+   */
+  export function parse(text: string, options?: EJSON.Options): SerializableTypes {
+    const finalOptions = Object.assign({}, { relaxed: true, legacy: false }, options);
+
+    // relaxed implies not strict
+    if (typeof finalOptions.relaxed === 'boolean') finalOptions.strict = !finalOptions.relaxed;
+    if (typeof finalOptions.strict === 'boolean') finalOptions.relaxed = !finalOptions.strict;
+
+    return JSON.parse(text, (key, value) => {
+      if (key.indexOf('\x00') !== -1) {
+        throw new BSONError(
+          `BSON Document field names cannot contain null bytes, found: ${JSON.stringify(key)}`
+        );
+      }
+      return deserializeValue(value, finalOptions);
+    });
+  }
+
+  export type JSONPrimitive = string | number | boolean | null;
+  export type SerializableTypes = Document | Array<JSONPrimitive | Document> | JSONPrimitive;
+
+  /**
+   * Converts a BSON document to an Extended JSON string, optionally replacing values if a replacer
+   * function is specified or optionally including only the specified properties if a replacer array
+   * is specified.
+   *
+   * @param value - The value to convert to extended JSON
+   * @param replacer - A function that alters the behavior of the stringification process, or an array of String and Number objects that serve as a whitelist for selecting/filtering the properties of the value object to be included in the JSON string. If this value is null or not provided, all properties of the object are included in the resulting JSON string
+   * @param space - A String or Number object that's used to insert white space into the output JSON string for readability purposes.
+   * @param options - Optional settings
+   *
+   * @example
+   * ```js
+   * const { EJSON } = require('bson');
+   * const Int32 = require('mongodb').Int32;
+   * const doc = { int32: new Int32(10) };
+   *
+   * // prints '{"int32":{"$numberInt":"10"}}'
+   * console.log(EJSON.stringify(doc, { relaxed: false }));
+   *
+   * // prints '{"int32":10}'
+   * console.log(EJSON.stringify(doc));
+   * ```
+   */
+  export function stringify(
+    value: SerializableTypes,
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    replacer?: (number | string)[] | ((this: any, key: string, value: any) => any) | EJSON.Options,
+    space?: string | number,
+    options?: EJSON.Options
+  ): string {
+    if (space != null && typeof space === 'object') {
+      options = space;
+      space = 0;
+    }
+    if (replacer != null && typeof replacer === 'object' && !Array.isArray(replacer)) {
+      options = replacer;
+      replacer = undefined;
+      space = 0;
+    }
+    const serializeOptions = Object.assign({ relaxed: true, legacy: false }, options, {
+      seenObjects: [{ propertyName: '(root)', obj: null }]
+    });
+
+    const doc = serializeValue(value, serializeOptions);
+    return JSON.stringify(doc, replacer as Parameters<JSON['stringify']>[1], space);
+  }
+
+  /**
+   * Serializes an object to an Extended JSON string, and reparse it as a JavaScript object.
+   *
+   * @param value - The object to serialize
+   * @param options - Optional settings passed to the `stringify` function
+   */
+  export function serialize(value: SerializableTypes, options?: EJSON.Options): Document {
+    options = options || {};
+    return JSON.parse(stringify(value, options));
+  }
+
+  /**
+   * Deserializes an Extended JSON object into a plain JavaScript object with native/BSON types
+   *
+   * @param ejson - The Extended JSON object to deserialize
+   * @param options - Optional settings passed to the parse method
+   */
+  export function deserialize(ejson: Document, options?: EJSON.Options): SerializableTypes {
+    options = options || {};
+    return parse(JSON.stringify(ejson), options);
+  }
+}
diff --git a/node_modules/bson/src/int_32.ts b/node_modules/bson/src/int_32.ts
new file mode 100644
index 000000000..b3b5760cc
--- /dev/null
+++ b/node_modules/bson/src/int_32.ts
@@ -0,0 +1,70 @@
+import type { EJSONOptions } from './extended_json';
+
+/** @public */
+export interface Int32Extended {
+  $numberInt: string;
+}
+
+/**
+ * A class representation of a BSON Int32 type.
+ * @public
+ * @category BSONType
+ */
+export class Int32 {
+  _bsontype!: 'Int32';
+
+  value!: number;
+  /**
+   * Create an Int32 type
+   *
+   * @param value - the number we want to represent as an int32.
+   */
+  constructor(value: number | string) {
+    if (!(this instanceof Int32)) return new Int32(value);
+
+    if ((value as unknown) instanceof Number) {
+      value = value.valueOf();
+    }
+
+    this.value = +value | 0;
+  }
+
+  /**
+   * Access the number value.
+   *
+   * @returns returns the wrapped int32 number.
+   */
+  valueOf(): number {
+    return this.value;
+  }
+
+  toString(radix?: number): string {
+    return this.value.toString(radix);
+  }
+
+  toJSON(): number {
+    return this.value;
+  }
+
+  /** @internal */
+  toExtendedJSON(options?: EJSONOptions): number | Int32Extended {
+    if (options && (options.relaxed || options.legacy)) return this.value;
+    return { $numberInt: this.value.toString() };
+  }
+
+  /** @internal */
+  static fromExtendedJSON(doc: Int32Extended, options?: EJSONOptions): number | Int32 {
+    return options && options.relaxed ? parseInt(doc.$numberInt, 10) : new Int32(doc.$numberInt);
+  }
+
+  /** @internal */
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    return `new Int32(${this.valueOf()})`;
+  }
+}
+
+Object.defineProperty(Int32.prototype, '_bsontype', { value: 'Int32' });
diff --git a/node_modules/bson/src/long.ts b/node_modules/bson/src/long.ts
new file mode 100644
index 000000000..ed3f6e1b7
--- /dev/null
+++ b/node_modules/bson/src/long.ts
@@ -0,0 +1,1040 @@
+import type { EJSONOptions } from './extended_json';
+import { isObjectLike } from './parser/utils';
+import type { Timestamp } from './timestamp';
+
+interface LongWASMHelpers {
+  /** Gets the high bits of the last operation performed */
+  get_high(this: void): number;
+  div_u(
+    this: void,
+    lowBits: number,
+    highBits: number,
+    lowBitsDivisor: number,
+    highBitsDivisor: number
+  ): number;
+  div_s(
+    this: void,
+    lowBits: number,
+    highBits: number,
+    lowBitsDivisor: number,
+    highBitsDivisor: number
+  ): number;
+  rem_u(
+    this: void,
+    lowBits: number,
+    highBits: number,
+    lowBitsDivisor: number,
+    highBitsDivisor: number
+  ): number;
+  rem_s(
+    this: void,
+    lowBits: number,
+    highBits: number,
+    lowBitsDivisor: number,
+    highBitsDivisor: number
+  ): number;
+  mul(
+    this: void,
+    lowBits: number,
+    highBits: number,
+    lowBitsMultiplier: number,
+    highBitsMultiplier: number
+  ): number;
+}
+
+/**
+ * wasm optimizations, to do native i64 multiplication and divide
+ */
+let wasm: LongWASMHelpers | undefined = undefined;
+
+/* We do not want to have to include DOM types just for this check */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+declare const WebAssembly: any;
+
+try {
+  wasm = new WebAssembly.Instance(
+    new WebAssembly.Module(
+      // prettier-ignore
+      new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0, 1, 13, 2, 96, 0, 1, 127, 96, 4, 127, 127, 127, 127, 1, 127, 3, 7, 6, 0, 1, 1, 1, 1, 1, 6, 6, 1, 127, 1, 65, 0, 11, 7, 50, 6, 3, 109, 117, 108, 0, 1, 5, 100, 105, 118, 95, 115, 0, 2, 5, 100, 105, 118, 95, 117, 0, 3, 5, 114, 101, 109, 95, 115, 0, 4, 5, 114, 101, 109, 95, 117, 0, 5, 8, 103, 101, 116, 95, 104, 105, 103, 104, 0, 0, 10, 191, 1, 6, 4, 0, 35, 0, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 126, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 127, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 128, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 129, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11, 36, 1, 1, 126, 32, 0, 173, 32, 1, 173, 66, 32, 134, 132, 32, 2, 173, 32, 3, 173, 66, 32, 134, 132, 130, 34, 4, 66, 32, 135, 167, 36, 0, 32, 4, 167, 11])
+    ),
+    {}
+  ).exports as unknown as LongWASMHelpers;
+} catch {
+  // no wasm support
+}
+
+const TWO_PWR_16_DBL = 1 << 16;
+const TWO_PWR_24_DBL = 1 << 24;
+const TWO_PWR_32_DBL = TWO_PWR_16_DBL * TWO_PWR_16_DBL;
+const TWO_PWR_64_DBL = TWO_PWR_32_DBL * TWO_PWR_32_DBL;
+const TWO_PWR_63_DBL = TWO_PWR_64_DBL / 2;
+
+/** A cache of the Long representations of small integer values. */
+const INT_CACHE: { [key: number]: Long } = {};
+
+/** A cache of the Long representations of small unsigned integer values. */
+const UINT_CACHE: { [key: number]: Long } = {};
+
+/** @public */
+export interface LongExtended {
+  $numberLong: string;
+}
+
+/**
+ * A class representing a 64-bit integer
+ * @public
+ * @category BSONType
+ * @remarks
+ * The internal representation of a long is the two given signed, 32-bit values.
+ * We use 32-bit pieces because these are the size of integers on which
+ * Javascript performs bit-operations.  For operations like addition and
+ * multiplication, we split each number into 16 bit pieces, which can easily be
+ * multiplied within Javascript's floating-point representation without overflow
+ * or change in sign.
+ * In the algorithms below, we frequently reduce the negative case to the
+ * positive case by negating the input(s) and then post-processing the result.
+ * Note that we must ALWAYS check specially whether those values are MIN_VALUE
+ * (-2^63) because -MIN_VALUE == MIN_VALUE (since 2^63 cannot be represented as
+ * a positive number, it overflows back into a negative).  Not handling this
+ * case would often result in infinite recursion.
+ * Common constant values ZERO, ONE, NEG_ONE, etc. are found as static properties on this class.
+ */
+export class Long {
+  _bsontype!: 'Long';
+
+  /** An indicator used to reliably determine if an object is a Long or not. */
+  __isLong__!: true;
+
+  /**
+   * The high 32 bits as a signed value.
+   */
+  high!: number;
+
+  /**
+   * The low 32 bits as a signed value.
+   */
+  low!: number;
+
+  /**
+   * Whether unsigned or not.
+   */
+  unsigned!: boolean;
+
+  /**
+   * Constructs a 64 bit two's-complement integer, given its low and high 32 bit values as *signed* integers.
+   *  See the from* functions below for more convenient ways of constructing Longs.
+   *
+   * Acceptable signatures are:
+   * - Long(low, high, unsigned?)
+   * - Long(bigint, unsigned?)
+   * - Long(string, unsigned?)
+   *
+   * @param low - The low (signed) 32 bits of the long
+   * @param high - The high (signed) 32 bits of the long
+   * @param unsigned - Whether unsigned or not, defaults to signed
+   */
+  constructor(low: number | bigint | string = 0, high?: number | boolean, unsigned?: boolean) {
+    if (!(this instanceof Long)) return new Long(low, high, unsigned);
+
+    if (typeof low === 'bigint') {
+      Object.assign(this, Long.fromBigInt(low, !!high));
+    } else if (typeof low === 'string') {
+      Object.assign(this, Long.fromString(low, !!high));
+    } else {
+      this.low = low | 0;
+      this.high = (high as number) | 0;
+      this.unsigned = !!unsigned;
+    }
+
+    Object.defineProperty(this, '__isLong__', {
+      value: true,
+      configurable: false,
+      writable: false,
+      enumerable: false
+    });
+  }
+
+  static TWO_PWR_24 = Long.fromInt(TWO_PWR_24_DBL);
+
+  /** Maximum unsigned value. */
+  static MAX_UNSIGNED_VALUE = Long.fromBits(0xffffffff | 0, 0xffffffff | 0, true);
+  /** Signed zero */
+  static ZERO = Long.fromInt(0);
+  /** Unsigned zero. */
+  static UZERO = Long.fromInt(0, true);
+  /** Signed one. */
+  static ONE = Long.fromInt(1);
+  /** Unsigned one. */
+  static UONE = Long.fromInt(1, true);
+  /** Signed negative one. */
+  static NEG_ONE = Long.fromInt(-1);
+  /** Maximum signed value. */
+  static MAX_VALUE = Long.fromBits(0xffffffff | 0, 0x7fffffff | 0, false);
+  /** Minimum signed value. */
+  static MIN_VALUE = Long.fromBits(0, 0x80000000 | 0, false);
+
+  /**
+   * Returns a Long representing the 64 bit integer that comes by concatenating the given low and high bits.
+   * Each is assumed to use 32 bits.
+   * @param lowBits - The low 32 bits
+   * @param highBits - The high 32 bits
+   * @param unsigned - Whether unsigned or not, defaults to signed
+   * @returns The corresponding Long value
+   */
+  static fromBits(lowBits: number, highBits: number, unsigned?: boolean): Long {
+    return new Long(lowBits, highBits, unsigned);
+  }
+
+  /**
+   * Returns a Long representing the given 32 bit integer value.
+   * @param value - The 32 bit integer in question
+   * @param unsigned - Whether unsigned or not, defaults to signed
+   * @returns The corresponding Long value
+   */
+  static fromInt(value: number, unsigned?: boolean): Long {
+    let obj, cachedObj, cache;
+    if (unsigned) {
+      value >>>= 0;
+      if ((cache = 0 <= value && value < 256)) {
+        cachedObj = UINT_CACHE[value];
+        if (cachedObj) return cachedObj;
+      }
+      obj = Long.fromBits(value, (value | 0) < 0 ? -1 : 0, true);
+      if (cache) UINT_CACHE[value] = obj;
+      return obj;
+    } else {
+      value |= 0;
+      if ((cache = -128 <= value && value < 128)) {
+        cachedObj = INT_CACHE[value];
+        if (cachedObj) return cachedObj;
+      }
+      obj = Long.fromBits(value, value < 0 ? -1 : 0, false);
+      if (cache) INT_CACHE[value] = obj;
+      return obj;
+    }
+  }
+
+  /**
+   * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+   * @param value - The number in question
+   * @param unsigned - Whether unsigned or not, defaults to signed
+   * @returns The corresponding Long value
+   */
+  static fromNumber(value: number, unsigned?: boolean): Long {
+    if (isNaN(value)) return unsigned ? Long.UZERO : Long.ZERO;
+    if (unsigned) {
+      if (value < 0) return Long.UZERO;
+      if (value >= TWO_PWR_64_DBL) return Long.MAX_UNSIGNED_VALUE;
+    } else {
+      if (value <= -TWO_PWR_63_DBL) return Long.MIN_VALUE;
+      if (value + 1 >= TWO_PWR_63_DBL) return Long.MAX_VALUE;
+    }
+    if (value < 0) return Long.fromNumber(-value, unsigned).neg();
+    return Long.fromBits(value % TWO_PWR_32_DBL | 0, (value / TWO_PWR_32_DBL) | 0, unsigned);
+  }
+
+  /**
+   * Returns a Long representing the given value, provided that it is a finite number. Otherwise, zero is returned.
+   * @param value - The number in question
+   * @param unsigned - Whether unsigned or not, defaults to signed
+   * @returns The corresponding Long value
+   */
+  static fromBigInt(value: bigint, unsigned?: boolean): Long {
+    return Long.fromString(value.toString(), unsigned);
+  }
+
+  /**
+   * Returns a Long representation of the given string, written using the specified radix.
+   * @param str - The textual representation of the Long
+   * @param unsigned - Whether unsigned or not, defaults to signed
+   * @param radix - The radix in which the text is written (2-36), defaults to 10
+   * @returns The corresponding Long value
+   */
+  static fromString(str: string, unsigned?: boolean, radix?: number): Long {
+    if (str.length === 0) throw Error('empty string');
+    if (str === 'NaN' || str === 'Infinity' || str === '+Infinity' || str === '-Infinity')
+      return Long.ZERO;
+    if (typeof unsigned === 'number') {
+      // For goog.math.long compatibility
+      (radix = unsigned), (unsigned = false);
+    } else {
+      unsigned = !!unsigned;
+    }
+    radix = radix || 10;
+    if (radix < 2 || 36 < radix) throw RangeError('radix');
+
+    let p;
+    if ((p = str.indexOf('-')) > 0) throw Error('interior hyphen');
+    else if (p === 0) {
+      return Long.fromString(str.substring(1), unsigned, radix).neg();
+    }
+
+    // Do several (8) digits each time through the loop, so as to
+    // minimize the calls to the very expensive emulated div.
+    const radixToPower = Long.fromNumber(Math.pow(radix, 8));
+
+    let result = Long.ZERO;
+    for (let i = 0; i < str.length; i += 8) {
+      const size = Math.min(8, str.length - i),
+        value = parseInt(str.substring(i, i + size), radix);
+      if (size < 8) {
+        const power = Long.fromNumber(Math.pow(radix, size));
+        result = result.mul(power).add(Long.fromNumber(value));
+      } else {
+        result = result.mul(radixToPower);
+        result = result.add(Long.fromNumber(value));
+      }
+    }
+    result.unsigned = unsigned;
+    return result;
+  }
+
+  /**
+   * Creates a Long from its byte representation.
+   * @param bytes - Byte representation
+   * @param unsigned - Whether unsigned or not, defaults to signed
+   * @param le - Whether little or big endian, defaults to big endian
+   * @returns The corresponding Long value
+   */
+  static fromBytes(bytes: number[], unsigned?: boolean, le?: boolean): Long {
+    return le ? Long.fromBytesLE(bytes, unsigned) : Long.fromBytesBE(bytes, unsigned);
+  }
+
+  /**
+   * Creates a Long from its little endian byte representation.
+   * @param bytes - Little endian byte representation
+   * @param unsigned - Whether unsigned or not, defaults to signed
+   * @returns The corresponding Long value
+   */
+  static fromBytesLE(bytes: number[], unsigned?: boolean): Long {
+    return new Long(
+      bytes[0] | (bytes[1] << 8) | (bytes[2] << 16) | (bytes[3] << 24),
+      bytes[4] | (bytes[5] << 8) | (bytes[6] << 16) | (bytes[7] << 24),
+      unsigned
+    );
+  }
+
+  /**
+   * Creates a Long from its big endian byte representation.
+   * @param bytes - Big endian byte representation
+   * @param unsigned - Whether unsigned or not, defaults to signed
+   * @returns The corresponding Long value
+   */
+  static fromBytesBE(bytes: number[], unsigned?: boolean): Long {
+    return new Long(
+      (bytes[4] << 24) | (bytes[5] << 16) | (bytes[6] << 8) | bytes[7],
+      (bytes[0] << 24) | (bytes[1] << 16) | (bytes[2] << 8) | bytes[3],
+      unsigned
+    );
+  }
+
+  /**
+   * Tests if the specified object is a Long.
+   */
+  static isLong(value: unknown): value is Long {
+    return isObjectLike(value) && value['__isLong__'] === true;
+  }
+
+  /**
+   * Converts the specified value to a Long.
+   * @param unsigned - Whether unsigned or not, defaults to signed
+   */
+  static fromValue(
+    val: number | string | { low: number; high: number; unsigned?: boolean },
+    unsigned?: boolean
+  ): Long {
+    if (typeof val === 'number') return Long.fromNumber(val, unsigned);
+    if (typeof val === 'string') return Long.fromString(val, unsigned);
+    // Throws for non-objects, converts non-instanceof Long:
+    return Long.fromBits(
+      val.low,
+      val.high,
+      typeof unsigned === 'boolean' ? unsigned : val.unsigned
+    );
+  }
+
+  /** Returns the sum of this and the specified Long. */
+  add(addend: string | number | Long | Timestamp): Long {
+    if (!Long.isLong(addend)) addend = Long.fromValue(addend);
+
+    // Divide each number into 4 chunks of 16 bits, and then sum the chunks.
+
+    const a48 = this.high >>> 16;
+    const a32 = this.high & 0xffff;
+    const a16 = this.low >>> 16;
+    const a00 = this.low & 0xffff;
+
+    const b48 = addend.high >>> 16;
+    const b32 = addend.high & 0xffff;
+    const b16 = addend.low >>> 16;
+    const b00 = addend.low & 0xffff;
+
+    let c48 = 0,
+      c32 = 0,
+      c16 = 0,
+      c00 = 0;
+    c00 += a00 + b00;
+    c16 += c00 >>> 16;
+    c00 &= 0xffff;
+    c16 += a16 + b16;
+    c32 += c16 >>> 16;
+    c16 &= 0xffff;
+    c32 += a32 + b32;
+    c48 += c32 >>> 16;
+    c32 &= 0xffff;
+    c48 += a48 + b48;
+    c48 &= 0xffff;
+    return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+  }
+
+  /**
+   * Returns the sum of this and the specified Long.
+   * @returns Sum
+   */
+  and(other: string | number | Long | Timestamp): Long {
+    if (!Long.isLong(other)) other = Long.fromValue(other);
+    return Long.fromBits(this.low & other.low, this.high & other.high, this.unsigned);
+  }
+
+  /**
+   * Compares this Long's value with the specified's.
+   * @returns 0 if they are the same, 1 if the this is greater and -1 if the given one is greater
+   */
+  compare(other: string | number | Long | Timestamp): 0 | 1 | -1 {
+    if (!Long.isLong(other)) other = Long.fromValue(other);
+    if (this.eq(other)) return 0;
+    const thisNeg = this.isNegative(),
+      otherNeg = other.isNegative();
+    if (thisNeg && !otherNeg) return -1;
+    if (!thisNeg && otherNeg) return 1;
+    // At this point the sign bits are the same
+    if (!this.unsigned) return this.sub(other).isNegative() ? -1 : 1;
+    // Both are positive if at least one is unsigned
+    return other.high >>> 0 > this.high >>> 0 ||
+      (other.high === this.high && other.low >>> 0 > this.low >>> 0)
+      ? -1
+      : 1;
+  }
+
+  /** This is an alias of {@link Long.compare} */
+  comp(other: string | number | Long | Timestamp): 0 | 1 | -1 {
+    return this.compare(other);
+  }
+
+  /**
+   * Returns this Long divided by the specified. The result is signed if this Long is signed or unsigned if this Long is unsigned.
+   * @returns Quotient
+   */
+  divide(divisor: string | number | Long | Timestamp): Long {
+    if (!Long.isLong(divisor)) divisor = Long.fromValue(divisor);
+    if (divisor.isZero()) throw Error('division by zero');
+
+    // use wasm support if present
+    if (wasm) {
+      // guard against signed division overflow: the largest
+      // negative number / -1 would be 1 larger than the largest
+      // positive number, due to two's complement.
+      if (
+        !this.unsigned &&
+        this.high === -0x80000000 &&
+        divisor.low === -1 &&
+        divisor.high === -1
+      ) {
+        // be consistent with non-wasm code path
+        return this;
+      }
+      const low = (this.unsigned ? wasm.div_u : wasm.div_s)(
+        this.low,
+        this.high,
+        divisor.low,
+        divisor.high
+      );
+      return Long.fromBits(low, wasm.get_high(), this.unsigned);
+    }
+
+    if (this.isZero()) return this.unsigned ? Long.UZERO : Long.ZERO;
+    let approx, rem, res;
+    if (!this.unsigned) {
+      // This section is only relevant for signed longs and is derived from the
+      // closure library as a whole.
+      if (this.eq(Long.MIN_VALUE)) {
+        if (divisor.eq(Long.ONE) || divisor.eq(Long.NEG_ONE)) return Long.MIN_VALUE;
+        // recall that -MIN_VALUE == MIN_VALUE
+        else if (divisor.eq(Long.MIN_VALUE)) return Long.ONE;
+        else {
+          // At this point, we have |other| >= 2, so |this/other| < |MIN_VALUE|.
+          const halfThis = this.shr(1);
+          approx = halfThis.div(divisor).shl(1);
+          if (approx.eq(Long.ZERO)) {
+            return divisor.isNegative() ? Long.ONE : Long.NEG_ONE;
+          } else {
+            rem = this.sub(divisor.mul(approx));
+            res = approx.add(rem.div(divisor));
+            return res;
+          }
+        }
+      } else if (divisor.eq(Long.MIN_VALUE)) return this.unsigned ? Long.UZERO : Long.ZERO;
+      if (this.isNegative()) {
+        if (divisor.isNegative()) return this.neg().div(divisor.neg());
+        return this.neg().div(divisor).neg();
+      } else if (divisor.isNegative()) return this.div(divisor.neg()).neg();
+      res = Long.ZERO;
+    } else {
+      // The algorithm below has not been made for unsigned longs. It's therefore
+      // required to take special care of the MSB prior to running it.
+      if (!divisor.unsigned) divisor = divisor.toUnsigned();
+      if (divisor.gt(this)) return Long.UZERO;
+      if (divisor.gt(this.shru(1)))
+        // 15 >>> 1 = 7 ; with divisor = 8 ; true
+        return Long.UONE;
+      res = Long.UZERO;
+    }
+
+    // Repeat the following until the remainder is less than other:  find a
+    // floating-point that approximates remainder / other *from below*, add this
+    // into the result, and subtract it from the remainder.  It is critical that
+    // the approximate value is less than or equal to the real value so that the
+    // remainder never becomes negative.
+    // eslint-disable-next-line @typescript-eslint/no-this-alias
+    rem = this;
+    while (rem.gte(divisor)) {
+      // Approximate the result of division. This may be a little greater or
+      // smaller than the actual value.
+      approx = Math.max(1, Math.floor(rem.toNumber() / divisor.toNumber()));
+
+      // We will tweak the approximate result by changing it in the 48-th digit or
+      // the smallest non-fractional digit, whichever is larger.
+      const log2 = Math.ceil(Math.log(approx) / Math.LN2);
+      const delta = log2 <= 48 ? 1 : Math.pow(2, log2 - 48);
+      // Decrease the approximation until it is smaller than the remainder.  Note
+      // that if it is too large, the product overflows and is negative.
+      let approxRes = Long.fromNumber(approx);
+      let approxRem = approxRes.mul(divisor);
+      while (approxRem.isNegative() || approxRem.gt(rem)) {
+        approx -= delta;
+        approxRes = Long.fromNumber(approx, this.unsigned);
+        approxRem = approxRes.mul(divisor);
+      }
+
+      // We know the answer can't be zero... and actually, zero would cause
+      // infinite recursion since we would make no progress.
+      if (approxRes.isZero()) approxRes = Long.ONE;
+
+      res = res.add(approxRes);
+      rem = rem.sub(approxRem);
+    }
+    return res;
+  }
+
+  /**This is an alias of {@link Long.divide} */
+  div(divisor: string | number | Long | Timestamp): Long {
+    return this.divide(divisor);
+  }
+
+  /**
+   * Tests if this Long's value equals the specified's.
+   * @param other - Other value
+   */
+  equals(other: string | number | Long | Timestamp): boolean {
+    if (!Long.isLong(other)) other = Long.fromValue(other);
+    if (this.unsigned !== other.unsigned && this.high >>> 31 === 1 && other.high >>> 31 === 1)
+      return false;
+    return this.high === other.high && this.low === other.low;
+  }
+
+  /** This is an alias of {@link Long.equals} */
+  eq(other: string | number | Long | Timestamp): boolean {
+    return this.equals(other);
+  }
+
+  /** Gets the high 32 bits as a signed integer. */
+  getHighBits(): number {
+    return this.high;
+  }
+
+  /** Gets the high 32 bits as an unsigned integer. */
+  getHighBitsUnsigned(): number {
+    return this.high >>> 0;
+  }
+
+  /** Gets the low 32 bits as a signed integer. */
+  getLowBits(): number {
+    return this.low;
+  }
+
+  /** Gets the low 32 bits as an unsigned integer. */
+  getLowBitsUnsigned(): number {
+    return this.low >>> 0;
+  }
+
+  /** Gets the number of bits needed to represent the absolute value of this Long. */
+  getNumBitsAbs(): number {
+    if (this.isNegative()) {
+      // Unsigned Longs are never negative
+      return this.eq(Long.MIN_VALUE) ? 64 : this.neg().getNumBitsAbs();
+    }
+    const val = this.high !== 0 ? this.high : this.low;
+    let bit: number;
+    for (bit = 31; bit > 0; bit--) if ((val & (1 << bit)) !== 0) break;
+    return this.high !== 0 ? bit + 33 : bit + 1;
+  }
+
+  /** Tests if this Long's value is greater than the specified's. */
+  greaterThan(other: string | number | Long | Timestamp): boolean {
+    return this.comp(other) > 0;
+  }
+
+  /** This is an alias of {@link Long.greaterThan} */
+  gt(other: string | number | Long | Timestamp): boolean {
+    return this.greaterThan(other);
+  }
+
+  /** Tests if this Long's value is greater than or equal the specified's. */
+  greaterThanOrEqual(other: string | number | Long | Timestamp): boolean {
+    return this.comp(other) >= 0;
+  }
+
+  /** This is an alias of {@link Long.greaterThanOrEqual} */
+  gte(other: string | number | Long | Timestamp): boolean {
+    return this.greaterThanOrEqual(other);
+  }
+  /** This is an alias of {@link Long.greaterThanOrEqual} */
+  ge(other: string | number | Long | Timestamp): boolean {
+    return this.greaterThanOrEqual(other);
+  }
+
+  /** Tests if this Long's value is even. */
+  isEven(): boolean {
+    return (this.low & 1) === 0;
+  }
+
+  /** Tests if this Long's value is negative. */
+  isNegative(): boolean {
+    return !this.unsigned && this.high < 0;
+  }
+
+  /** Tests if this Long's value is odd. */
+  isOdd(): boolean {
+    return (this.low & 1) === 1;
+  }
+
+  /** Tests if this Long's value is positive. */
+  isPositive(): boolean {
+    return this.unsigned || this.high >= 0;
+  }
+
+  /** Tests if this Long's value equals zero. */
+  isZero(): boolean {
+    return this.high === 0 && this.low === 0;
+  }
+
+  /** Tests if this Long's value is less than the specified's. */
+  lessThan(other: string | number | Long | Timestamp): boolean {
+    return this.comp(other) < 0;
+  }
+
+  /** This is an alias of {@link Long#lessThan}. */
+  lt(other: string | number | Long | Timestamp): boolean {
+    return this.lessThan(other);
+  }
+
+  /** Tests if this Long's value is less than or equal the specified's. */
+  lessThanOrEqual(other: string | number | Long | Timestamp): boolean {
+    return this.comp(other) <= 0;
+  }
+
+  /** This is an alias of {@link Long.lessThanOrEqual} */
+  lte(other: string | number | Long | Timestamp): boolean {
+    return this.lessThanOrEqual(other);
+  }
+
+  /** Returns this Long modulo the specified. */
+  modulo(divisor: string | number | Long | Timestamp): Long {
+    if (!Long.isLong(divisor)) divisor = Long.fromValue(divisor);
+
+    // use wasm support if present
+    if (wasm) {
+      const low = (this.unsigned ? wasm.rem_u : wasm.rem_s)(
+        this.low,
+        this.high,
+        divisor.low,
+        divisor.high
+      );
+      return Long.fromBits(low, wasm.get_high(), this.unsigned);
+    }
+
+    return this.sub(this.div(divisor).mul(divisor));
+  }
+
+  /** This is an alias of {@link Long.modulo} */
+  mod(divisor: string | number | Long | Timestamp): Long {
+    return this.modulo(divisor);
+  }
+  /** This is an alias of {@link Long.modulo} */
+  rem(divisor: string | number | Long | Timestamp): Long {
+    return this.modulo(divisor);
+  }
+
+  /**
+   * Returns the product of this and the specified Long.
+   * @param multiplier - Multiplier
+   * @returns Product
+   */
+  multiply(multiplier: string | number | Long | Timestamp): Long {
+    if (this.isZero()) return Long.ZERO;
+    if (!Long.isLong(multiplier)) multiplier = Long.fromValue(multiplier);
+
+    // use wasm support if present
+    if (wasm) {
+      const low = wasm.mul(this.low, this.high, multiplier.low, multiplier.high);
+      return Long.fromBits(low, wasm.get_high(), this.unsigned);
+    }
+
+    if (multiplier.isZero()) return Long.ZERO;
+    if (this.eq(Long.MIN_VALUE)) return multiplier.isOdd() ? Long.MIN_VALUE : Long.ZERO;
+    if (multiplier.eq(Long.MIN_VALUE)) return this.isOdd() ? Long.MIN_VALUE : Long.ZERO;
+
+    if (this.isNegative()) {
+      if (multiplier.isNegative()) return this.neg().mul(multiplier.neg());
+      else return this.neg().mul(multiplier).neg();
+    } else if (multiplier.isNegative()) return this.mul(multiplier.neg()).neg();
+
+    // If both longs are small, use float multiplication
+    if (this.lt(Long.TWO_PWR_24) && multiplier.lt(Long.TWO_PWR_24))
+      return Long.fromNumber(this.toNumber() * multiplier.toNumber(), this.unsigned);
+
+    // Divide each long into 4 chunks of 16 bits, and then add up 4x4 products.
+    // We can skip products that would overflow.
+
+    const a48 = this.high >>> 16;
+    const a32 = this.high & 0xffff;
+    const a16 = this.low >>> 16;
+    const a00 = this.low & 0xffff;
+
+    const b48 = multiplier.high >>> 16;
+    const b32 = multiplier.high & 0xffff;
+    const b16 = multiplier.low >>> 16;
+    const b00 = multiplier.low & 0xffff;
+
+    let c48 = 0,
+      c32 = 0,
+      c16 = 0,
+      c00 = 0;
+    c00 += a00 * b00;
+    c16 += c00 >>> 16;
+    c00 &= 0xffff;
+    c16 += a16 * b00;
+    c32 += c16 >>> 16;
+    c16 &= 0xffff;
+    c16 += a00 * b16;
+    c32 += c16 >>> 16;
+    c16 &= 0xffff;
+    c32 += a32 * b00;
+    c48 += c32 >>> 16;
+    c32 &= 0xffff;
+    c32 += a16 * b16;
+    c48 += c32 >>> 16;
+    c32 &= 0xffff;
+    c32 += a00 * b32;
+    c48 += c32 >>> 16;
+    c32 &= 0xffff;
+    c48 += a48 * b00 + a32 * b16 + a16 * b32 + a00 * b48;
+    c48 &= 0xffff;
+    return Long.fromBits((c16 << 16) | c00, (c48 << 16) | c32, this.unsigned);
+  }
+
+  /** This is an alias of {@link Long.multiply} */
+  mul(multiplier: string | number | Long | Timestamp): Long {
+    return this.multiply(multiplier);
+  }
+
+  /** Returns the Negation of this Long's value. */
+  negate(): Long {
+    if (!this.unsigned && this.eq(Long.MIN_VALUE)) return Long.MIN_VALUE;
+    return this.not().add(Long.ONE);
+  }
+
+  /** This is an alias of {@link Long.negate} */
+  neg(): Long {
+    return this.negate();
+  }
+
+  /** Returns the bitwise NOT of this Long. */
+  not(): Long {
+    return Long.fromBits(~this.low, ~this.high, this.unsigned);
+  }
+
+  /** Tests if this Long's value differs from the specified's. */
+  notEquals(other: string | number | Long | Timestamp): boolean {
+    return !this.equals(other);
+  }
+
+  /** This is an alias of {@link Long.notEquals} */
+  neq(other: string | number | Long | Timestamp): boolean {
+    return this.notEquals(other);
+  }
+  /** This is an alias of {@link Long.notEquals} */
+  ne(other: string | number | Long | Timestamp): boolean {
+    return this.notEquals(other);
+  }
+
+  /**
+   * Returns the bitwise OR of this Long and the specified.
+   */
+  or(other: number | string | Long): Long {
+    if (!Long.isLong(other)) other = Long.fromValue(other);
+    return Long.fromBits(this.low | other.low, this.high | other.high, this.unsigned);
+  }
+
+  /**
+   * Returns this Long with bits shifted to the left by the given amount.
+   * @param numBits - Number of bits
+   * @returns Shifted Long
+   */
+  shiftLeft(numBits: number | Long): Long {
+    if (Long.isLong(numBits)) numBits = numBits.toInt();
+    if ((numBits &= 63) === 0) return this;
+    else if (numBits < 32)
+      return Long.fromBits(
+        this.low << numBits,
+        (this.high << numBits) | (this.low >>> (32 - numBits)),
+        this.unsigned
+      );
+    else return Long.fromBits(0, this.low << (numBits - 32), this.unsigned);
+  }
+
+  /** This is an alias of {@link Long.shiftLeft} */
+  shl(numBits: number | Long): Long {
+    return this.shiftLeft(numBits);
+  }
+
+  /**
+   * Returns this Long with bits arithmetically shifted to the right by the given amount.
+   * @param numBits - Number of bits
+   * @returns Shifted Long
+   */
+  shiftRight(numBits: number | Long): Long {
+    if (Long.isLong(numBits)) numBits = numBits.toInt();
+    if ((numBits &= 63) === 0) return this;
+    else if (numBits < 32)
+      return Long.fromBits(
+        (this.low >>> numBits) | (this.high << (32 - numBits)),
+        this.high >> numBits,
+        this.unsigned
+      );
+    else return Long.fromBits(this.high >> (numBits - 32), this.high >= 0 ? 0 : -1, this.unsigned);
+  }
+
+  /** This is an alias of {@link Long.shiftRight} */
+  shr(numBits: number | Long): Long {
+    return this.shiftRight(numBits);
+  }
+
+  /**
+   * Returns this Long with bits logically shifted to the right by the given amount.
+   * @param numBits - Number of bits
+   * @returns Shifted Long
+   */
+  shiftRightUnsigned(numBits: Long | number): Long {
+    if (Long.isLong(numBits)) numBits = numBits.toInt();
+    numBits &= 63;
+    if (numBits === 0) return this;
+    else {
+      const high = this.high;
+      if (numBits < 32) {
+        const low = this.low;
+        return Long.fromBits(
+          (low >>> numBits) | (high << (32 - numBits)),
+          high >>> numBits,
+          this.unsigned
+        );
+      } else if (numBits === 32) return Long.fromBits(high, 0, this.unsigned);
+      else return Long.fromBits(high >>> (numBits - 32), 0, this.unsigned);
+    }
+  }
+
+  /** This is an alias of {@link Long.shiftRightUnsigned} */
+  shr_u(numBits: number | Long): Long {
+    return this.shiftRightUnsigned(numBits);
+  }
+  /** This is an alias of {@link Long.shiftRightUnsigned} */
+  shru(numBits: number | Long): Long {
+    return this.shiftRightUnsigned(numBits);
+  }
+
+  /**
+   * Returns the difference of this and the specified Long.
+   * @param subtrahend - Subtrahend
+   * @returns Difference
+   */
+  subtract(subtrahend: string | number | Long | Timestamp): Long {
+    if (!Long.isLong(subtrahend)) subtrahend = Long.fromValue(subtrahend);
+    return this.add(subtrahend.neg());
+  }
+
+  /** This is an alias of {@link Long.subtract} */
+  sub(subtrahend: string | number | Long | Timestamp): Long {
+    return this.subtract(subtrahend);
+  }
+
+  /** Converts the Long to a 32 bit integer, assuming it is a 32 bit integer. */
+  toInt(): number {
+    return this.unsigned ? this.low >>> 0 : this.low;
+  }
+
+  /** Converts the Long to a the nearest floating-point representation of this value (double, 53 bit mantissa). */
+  toNumber(): number {
+    if (this.unsigned) return (this.high >>> 0) * TWO_PWR_32_DBL + (this.low >>> 0);
+    return this.high * TWO_PWR_32_DBL + (this.low >>> 0);
+  }
+
+  /** Converts the Long to a BigInt (arbitrary precision). */
+  toBigInt(): bigint {
+    return BigInt(this.toString());
+  }
+
+  /**
+   * Converts this Long to its byte representation.
+   * @param le - Whether little or big endian, defaults to big endian
+   * @returns Byte representation
+   */
+  toBytes(le?: boolean): number[] {
+    return le ? this.toBytesLE() : this.toBytesBE();
+  }
+
+  /**
+   * Converts this Long to its little endian byte representation.
+   * @returns Little endian byte representation
+   */
+  toBytesLE(): number[] {
+    const hi = this.high,
+      lo = this.low;
+    return [
+      lo & 0xff,
+      (lo >>> 8) & 0xff,
+      (lo >>> 16) & 0xff,
+      lo >>> 24,
+      hi & 0xff,
+      (hi >>> 8) & 0xff,
+      (hi >>> 16) & 0xff,
+      hi >>> 24
+    ];
+  }
+
+  /**
+   * Converts this Long to its big endian byte representation.
+   * @returns Big endian byte representation
+   */
+  toBytesBE(): number[] {
+    const hi = this.high,
+      lo = this.low;
+    return [
+      hi >>> 24,
+      (hi >>> 16) & 0xff,
+      (hi >>> 8) & 0xff,
+      hi & 0xff,
+      lo >>> 24,
+      (lo >>> 16) & 0xff,
+      (lo >>> 8) & 0xff,
+      lo & 0xff
+    ];
+  }
+
+  /**
+   * Converts this Long to signed.
+   */
+  toSigned(): Long {
+    if (!this.unsigned) return this;
+    return Long.fromBits(this.low, this.high, false);
+  }
+
+  /**
+   * Converts the Long to a string written in the specified radix.
+   * @param radix - Radix (2-36), defaults to 10
+   * @throws RangeError If `radix` is out of range
+   */
+  toString(radix?: number): string {
+    radix = radix || 10;
+    if (radix < 2 || 36 < radix) throw RangeError('radix');
+    if (this.isZero()) return '0';
+    if (this.isNegative()) {
+      // Unsigned Longs are never negative
+      if (this.eq(Long.MIN_VALUE)) {
+        // We need to change the Long value before it can be negated, so we remove
+        // the bottom-most digit in this base and then recurse to do the rest.
+        const radixLong = Long.fromNumber(radix),
+          div = this.div(radixLong),
+          rem1 = div.mul(radixLong).sub(this);
+        return div.toString(radix) + rem1.toInt().toString(radix);
+      } else return '-' + this.neg().toString(radix);
+    }
+
+    // Do several (6) digits each time through the loop, so as to
+    // minimize the calls to the very expensive emulated div.
+    const radixToPower = Long.fromNumber(Math.pow(radix, 6), this.unsigned);
+    // eslint-disable-next-line @typescript-eslint/no-this-alias
+    let rem: Long = this;
+    let result = '';
+    // eslint-disable-next-line no-constant-condition
+    while (true) {
+      const remDiv = rem.div(radixToPower);
+      const intval = rem.sub(remDiv.mul(radixToPower)).toInt() >>> 0;
+      let digits = intval.toString(radix);
+      rem = remDiv;
+      if (rem.isZero()) {
+        return digits + result;
+      } else {
+        while (digits.length < 6) digits = '0' + digits;
+        result = '' + digits + result;
+      }
+    }
+  }
+
+  /** Converts this Long to unsigned. */
+  toUnsigned(): Long {
+    if (this.unsigned) return this;
+    return Long.fromBits(this.low, this.high, true);
+  }
+
+  /** Returns the bitwise XOR of this Long and the given one. */
+  xor(other: Long | number | string): Long {
+    if (!Long.isLong(other)) other = Long.fromValue(other);
+    return Long.fromBits(this.low ^ other.low, this.high ^ other.high, this.unsigned);
+  }
+
+  /** This is an alias of {@link Long.isZero} */
+  eqz(): boolean {
+    return this.isZero();
+  }
+
+  /** This is an alias of {@link Long.lessThanOrEqual} */
+  le(other: string | number | Long | Timestamp): boolean {
+    return this.lessThanOrEqual(other);
+  }
+
+  /*
+   ****************************************************************
+   *                  BSON SPECIFIC ADDITIONS                     *
+   ****************************************************************
+   */
+  toExtendedJSON(options?: EJSONOptions): number | LongExtended {
+    if (options && options.relaxed) return this.toNumber();
+    return { $numberLong: this.toString() };
+  }
+  static fromExtendedJSON(doc: { $numberLong: string }, options?: EJSONOptions): number | Long {
+    const result = Long.fromString(doc.$numberLong);
+    return options && options.relaxed ? result.toNumber() : result;
+  }
+
+  /** @internal */
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    return `new Long("${this.toString()}"${this.unsigned ? ', true' : ''})`;
+  }
+}
+
+Object.defineProperty(Long.prototype, '__isLong__', { value: true });
+Object.defineProperty(Long.prototype, '_bsontype', { value: 'Long' });
diff --git a/node_modules/bson/src/map.ts b/node_modules/bson/src/map.ts
new file mode 100644
index 000000000..ba0032968
--- /dev/null
+++ b/node_modules/bson/src/map.ts
@@ -0,0 +1,119 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+// We have an ES6 Map available, return the native instance
+
+import { getGlobal } from './utils/global';
+
+/** @public */
+let bsonMap: MapConstructor;
+
+const bsonGlobal = getGlobal<{ Map?: MapConstructor }>();
+if (bsonGlobal.Map) {
+  bsonMap = bsonGlobal.Map;
+} else {
+  // We will return a polyfill
+  bsonMap = class Map {
+    private _keys: string[];
+    private _values: Record<string, any>;
+    constructor(array: [string, any][] = []) {
+      this._keys = [];
+      this._values = {};
+
+      for (let i = 0; i < array.length; i++) {
+        if (array[i] == null) continue; // skip null and undefined
+        const entry = array[i];
+        const key = entry[0];
+        const value = entry[1];
+        // Add the key to the list of keys in order
+        this._keys.push(key);
+        // Add the key and value to the values dictionary with a point
+        // to the location in the ordered keys list
+        this._values[key] = { v: value, i: this._keys.length - 1 };
+      }
+    }
+    clear() {
+      this._keys = [];
+      this._values = {};
+    }
+    delete(key: string) {
+      const value = this._values[key];
+      if (value == null) return false;
+      // Delete entry
+      delete this._values[key];
+      // Remove the key from the ordered keys list
+      this._keys.splice(value.i, 1);
+      return true;
+    }
+    entries() {
+      let index = 0;
+
+      return {
+        next: () => {
+          const key = this._keys[index++];
+          return {
+            value: key !== undefined ? [key, this._values[key].v] : undefined,
+            done: key !== undefined ? false : true
+          };
+        }
+      };
+    }
+    forEach(callback: (this: this, value: any, key: string, self: this) => void, self?: this) {
+      self = self || this;
+
+      for (let i = 0; i < this._keys.length; i++) {
+        const key = this._keys[i];
+        // Call the forEach callback
+        callback.call(self, this._values[key].v, key, self);
+      }
+    }
+    get(key: string) {
+      return this._values[key] ? this._values[key].v : undefined;
+    }
+    has(key: string) {
+      return this._values[key] != null;
+    }
+    keys() {
+      let index = 0;
+
+      return {
+        next: () => {
+          const key = this._keys[index++];
+          return {
+            value: key !== undefined ? key : undefined,
+            done: key !== undefined ? false : true
+          };
+        }
+      };
+    }
+    set(key: string, value: any) {
+      if (this._values[key]) {
+        this._values[key].v = value;
+        return this;
+      }
+
+      // Add the key to the list of keys in order
+      this._keys.push(key);
+      // Add the key and value to the values dictionary with a point
+      // to the location in the ordered keys list
+      this._values[key] = { v: value, i: this._keys.length - 1 };
+      return this;
+    }
+    values() {
+      let index = 0;
+
+      return {
+        next: () => {
+          const key = this._keys[index++];
+          return {
+            value: key !== undefined ? this._values[key].v : undefined,
+            done: key !== undefined ? false : true
+          };
+        }
+      };
+    }
+    get size() {
+      return this._keys.length;
+    }
+  } as unknown as MapConstructor;
+}
+
+export { bsonMap as Map };
diff --git a/node_modules/bson/src/max_key.ts b/node_modules/bson/src/max_key.ts
new file mode 100644
index 000000000..0ff3d3633
--- /dev/null
+++ b/node_modules/bson/src/max_key.ts
@@ -0,0 +1,38 @@
+/** @public */
+export interface MaxKeyExtended {
+  $maxKey: 1;
+}
+
+/**
+ * A class representation of the BSON MaxKey type.
+ * @public
+ * @category BSONType
+ */
+export class MaxKey {
+  _bsontype!: 'MaxKey';
+
+  constructor() {
+    if (!(this instanceof MaxKey)) return new MaxKey();
+  }
+
+  /** @internal */
+  toExtendedJSON(): MaxKeyExtended {
+    return { $maxKey: 1 };
+  }
+
+  /** @internal */
+  static fromExtendedJSON(): MaxKey {
+    return new MaxKey();
+  }
+
+  /** @internal */
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    return 'new MaxKey()';
+  }
+}
+
+Object.defineProperty(MaxKey.prototype, '_bsontype', { value: 'MaxKey' });
diff --git a/node_modules/bson/src/min_key.ts b/node_modules/bson/src/min_key.ts
new file mode 100644
index 000000000..f872b1eb1
--- /dev/null
+++ b/node_modules/bson/src/min_key.ts
@@ -0,0 +1,38 @@
+/** @public */
+export interface MinKeyExtended {
+  $minKey: 1;
+}
+
+/**
+ * A class representation of the BSON MinKey type.
+ * @public
+ * @category BSONType
+ */
+export class MinKey {
+  _bsontype!: 'MinKey';
+
+  constructor() {
+    if (!(this instanceof MinKey)) return new MinKey();
+  }
+
+  /** @internal */
+  toExtendedJSON(): MinKeyExtended {
+    return { $minKey: 1 };
+  }
+
+  /** @internal */
+  static fromExtendedJSON(): MinKey {
+    return new MinKey();
+  }
+
+  /** @internal */
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    return 'new MinKey()';
+  }
+}
+
+Object.defineProperty(MinKey.prototype, '_bsontype', { value: 'MinKey' });
diff --git a/node_modules/bson/src/objectid.ts b/node_modules/bson/src/objectid.ts
new file mode 100644
index 000000000..7bf012d7b
--- /dev/null
+++ b/node_modules/bson/src/objectid.ts
@@ -0,0 +1,354 @@
+import { Buffer } from 'buffer';
+import { ensureBuffer } from './ensure_buffer';
+import { BSONTypeError } from './error';
+import { deprecate, isUint8Array, randomBytes } from './parser/utils';
+
+// Regular expression that checks for hex value
+const checkForHexRegExp = new RegExp('^[0-9a-fA-F]{24}$');
+
+// Unique sequence for the current process (initialized on first use)
+let PROCESS_UNIQUE: Uint8Array | null = null;
+
+/** @public */
+export interface ObjectIdLike {
+  id: string | Buffer;
+  __id?: string;
+  toHexString(): string;
+}
+
+/** @public */
+export interface ObjectIdExtended {
+  $oid: string;
+}
+
+const kId = Symbol('id');
+
+/**
+ * A class representation of the BSON ObjectId type.
+ * @public
+ * @category BSONType
+ */
+export class ObjectId {
+  _bsontype!: 'ObjectID';
+
+  /** @internal */
+  static index = Math.floor(Math.random() * 0xffffff);
+
+  static cacheHexString: boolean;
+
+  /** ObjectId Bytes @internal */
+  private [kId]!: Buffer;
+  /** ObjectId hexString cache @internal */
+  private __id?: string;
+
+  /**
+   * Create an ObjectId type
+   *
+   * @param inputId - Can be a 24 character hex string, 12 byte binary Buffer, or a number.
+   */
+  constructor(inputId?: string | number | ObjectId | ObjectIdLike | Buffer | Uint8Array) {
+    if (!(this instanceof ObjectId)) return new ObjectId(inputId);
+
+    // workingId is set based on type of input and whether valid id exists for the input
+    let workingId;
+    if (typeof inputId === 'object' && inputId && 'id' in inputId) {
+      if (typeof inputId.id !== 'string' && !ArrayBuffer.isView(inputId.id)) {
+        throw new BSONTypeError(
+          'Argument passed in must have an id that is of type string or Buffer'
+        );
+      }
+      if ('toHexString' in inputId && typeof inputId.toHexString === 'function') {
+        workingId = Buffer.from(inputId.toHexString(), 'hex');
+      } else {
+        workingId = inputId.id;
+      }
+    } else {
+      workingId = inputId;
+    }
+
+    // the following cases use workingId to construct an ObjectId
+    if (workingId == null || typeof workingId === 'number') {
+      // The most common use case (blank id, new objectId instance)
+      // Generate a new id
+      this[kId] = ObjectId.generate(typeof workingId === 'number' ? workingId : undefined);
+    } else if (ArrayBuffer.isView(workingId) && workingId.byteLength === 12) {
+      // If intstanceof matches we can escape calling ensure buffer in Node.js environments
+      this[kId] = workingId instanceof Buffer ? workingId : ensureBuffer(workingId);
+    } else if (typeof workingId === 'string') {
+      if (workingId.length === 12) {
+        const bytes = Buffer.from(workingId);
+        if (bytes.byteLength === 12) {
+          this[kId] = bytes;
+        } else {
+          throw new BSONTypeError('Argument passed in must be a string of 12 bytes');
+        }
+      } else if (workingId.length === 24 && checkForHexRegExp.test(workingId)) {
+        this[kId] = Buffer.from(workingId, 'hex');
+      } else {
+        throw new BSONTypeError(
+          'Argument passed in must be a string of 12 bytes or a string of 24 hex characters or an integer'
+        );
+      }
+    } else {
+      throw new BSONTypeError('Argument passed in does not match the accepted types');
+    }
+    // If we are caching the hex string
+    if (ObjectId.cacheHexString) {
+      this.__id = this.id.toString('hex');
+    }
+  }
+
+  /**
+   * The ObjectId bytes
+   * @readonly
+   */
+  get id(): Buffer {
+    return this[kId];
+  }
+
+  set id(value: Buffer) {
+    this[kId] = value;
+    if (ObjectId.cacheHexString) {
+      this.__id = value.toString('hex');
+    }
+  }
+
+  /**
+   * The generation time of this ObjectId instance
+   * @deprecated Please use getTimestamp / createFromTime which returns an int32 epoch
+   */
+  get generationTime(): number {
+    return this.id.readInt32BE(0);
+  }
+
+  set generationTime(value: number) {
+    // Encode time into first 4 bytes
+    this.id.writeUInt32BE(value, 0);
+  }
+
+  /** Returns the ObjectId id as a 24 character hex string representation */
+  toHexString(): string {
+    if (ObjectId.cacheHexString && this.__id) {
+      return this.__id;
+    }
+
+    const hexString = this.id.toString('hex');
+
+    if (ObjectId.cacheHexString && !this.__id) {
+      this.__id = hexString;
+    }
+
+    return hexString;
+  }
+
+  /**
+   * Update the ObjectId index
+   * @privateRemarks
+   * Used in generating new ObjectId's on the driver
+   * @internal
+   */
+  static getInc(): number {
+    return (ObjectId.index = (ObjectId.index + 1) % 0xffffff);
+  }
+
+  /**
+   * Generate a 12 byte id buffer used in ObjectId's
+   *
+   * @param time - pass in a second based timestamp.
+   */
+  static generate(time?: number): Buffer {
+    if ('number' !== typeof time) {
+      time = Math.floor(Date.now() / 1000);
+    }
+
+    const inc = ObjectId.getInc();
+    const buffer = Buffer.alloc(12);
+
+    // 4-byte timestamp
+    buffer.writeUInt32BE(time, 0);
+
+    // set PROCESS_UNIQUE if yet not initialized
+    if (PROCESS_UNIQUE === null) {
+      PROCESS_UNIQUE = randomBytes(5);
+    }
+
+    // 5-byte process unique
+    buffer[4] = PROCESS_UNIQUE[0];
+    buffer[5] = PROCESS_UNIQUE[1];
+    buffer[6] = PROCESS_UNIQUE[2];
+    buffer[7] = PROCESS_UNIQUE[3];
+    buffer[8] = PROCESS_UNIQUE[4];
+
+    // 3-byte counter
+    buffer[11] = inc & 0xff;
+    buffer[10] = (inc >> 8) & 0xff;
+    buffer[9] = (inc >> 16) & 0xff;
+
+    return buffer;
+  }
+
+  /**
+   * Converts the id into a 24 character hex string for printing
+   *
+   * @param format - The Buffer toString format parameter.
+   */
+  toString(format?: string): string {
+    // Is the id a buffer then use the buffer toString method to return the format
+    if (format) return this.id.toString(format);
+    return this.toHexString();
+  }
+
+  /** Converts to its JSON the 24 character hex string representation. */
+  toJSON(): string {
+    return this.toHexString();
+  }
+
+  /**
+   * Compares the equality of this ObjectId with `otherID`.
+   *
+   * @param otherId - ObjectId instance to compare against.
+   */
+  equals(otherId: string | ObjectId | ObjectIdLike): boolean {
+    if (otherId === undefined || otherId === null) {
+      return false;
+    }
+
+    if (otherId instanceof ObjectId) {
+      return this[kId][11] === otherId[kId][11] && this[kId].equals(otherId[kId]);
+    }
+
+    if (
+      typeof otherId === 'string' &&
+      ObjectId.isValid(otherId) &&
+      otherId.length === 12 &&
+      isUint8Array(this.id)
+    ) {
+      return otherId === Buffer.prototype.toString.call(this.id, 'latin1');
+    }
+
+    if (typeof otherId === 'string' && ObjectId.isValid(otherId) && otherId.length === 24) {
+      return otherId.toLowerCase() === this.toHexString();
+    }
+
+    if (typeof otherId === 'string' && ObjectId.isValid(otherId) && otherId.length === 12) {
+      return Buffer.from(otherId).equals(this.id);
+    }
+
+    if (
+      typeof otherId === 'object' &&
+      'toHexString' in otherId &&
+      typeof otherId.toHexString === 'function'
+    ) {
+      const otherIdString = otherId.toHexString();
+      const thisIdString = this.toHexString().toLowerCase();
+      return typeof otherIdString === 'string' && otherIdString.toLowerCase() === thisIdString;
+    }
+
+    return false;
+  }
+
+  /** Returns the generation date (accurate up to the second) that this ID was generated. */
+  getTimestamp(): Date {
+    const timestamp = new Date();
+    const time = this.id.readUInt32BE(0);
+    timestamp.setTime(Math.floor(time) * 1000);
+    return timestamp;
+  }
+
+  /** @internal */
+  static createPk(): ObjectId {
+    return new ObjectId();
+  }
+
+  /**
+   * Creates an ObjectId from a second based number, with the rest of the ObjectId zeroed out. Used for comparisons or sorting the ObjectId.
+   *
+   * @param time - an integer number representing a number of seconds.
+   */
+  static createFromTime(time: number): ObjectId {
+    const buffer = Buffer.from([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]);
+    // Encode time into first 4 bytes
+    buffer.writeUInt32BE(time, 0);
+    // Return the new objectId
+    return new ObjectId(buffer);
+  }
+
+  /**
+   * Creates an ObjectId from a hex string representation of an ObjectId.
+   *
+   * @param hexString - create a ObjectId from a passed in 24 character hexstring.
+   */
+  static createFromHexString(hexString: string): ObjectId {
+    // Throw an error if it's not a valid setup
+    if (typeof hexString === 'undefined' || (hexString != null && hexString.length !== 24)) {
+      throw new BSONTypeError(
+        'Argument passed in must be a single String of 12 bytes or a string of 24 hex characters'
+      );
+    }
+
+    return new ObjectId(Buffer.from(hexString, 'hex'));
+  }
+
+  /**
+   * Checks if a value is a valid bson ObjectId
+   *
+   * @param id - ObjectId instance to validate.
+   */
+  static isValid(id: string | number | ObjectId | ObjectIdLike | Buffer | Uint8Array): boolean {
+    if (id == null) return false;
+
+    try {
+      new ObjectId(id);
+      return true;
+    } catch {
+      return false;
+    }
+  }
+
+  /** @internal */
+  toExtendedJSON(): ObjectIdExtended {
+    if (this.toHexString) return { $oid: this.toHexString() };
+    return { $oid: this.toString('hex') };
+  }
+
+  /** @internal */
+  static fromExtendedJSON(doc: ObjectIdExtended): ObjectId {
+    return new ObjectId(doc.$oid);
+  }
+
+  /**
+   * Converts to a string representation of this Id.
+   *
+   * @returns return the 24 character hex string representation.
+   * @internal
+   */
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    return `new ObjectId("${this.toHexString()}")`;
+  }
+}
+
+// Deprecated methods
+Object.defineProperty(ObjectId.prototype, 'generate', {
+  value: deprecate(
+    (time: number) => ObjectId.generate(time),
+    'Please use the static `ObjectId.generate(time)` instead'
+  )
+});
+
+Object.defineProperty(ObjectId.prototype, 'getInc', {
+  value: deprecate(() => ObjectId.getInc(), 'Please use the static `ObjectId.getInc()` instead')
+});
+
+Object.defineProperty(ObjectId.prototype, 'get_inc', {
+  value: deprecate(() => ObjectId.getInc(), 'Please use the static `ObjectId.getInc()` instead')
+});
+
+Object.defineProperty(ObjectId, 'get_inc', {
+  value: deprecate(() => ObjectId.getInc(), 'Please use the static `ObjectId.getInc()` instead')
+});
+
+Object.defineProperty(ObjectId.prototype, '_bsontype', { value: 'ObjectID' });
diff --git a/node_modules/bson/src/parser/calculate_size.ts b/node_modules/bson/src/parser/calculate_size.ts
new file mode 100644
index 000000000..cc7f431e6
--- /dev/null
+++ b/node_modules/bson/src/parser/calculate_size.ts
@@ -0,0 +1,228 @@
+import { Buffer } from 'buffer';
+import { Binary } from '../binary';
+import type { Document } from '../bson';
+import * as constants from '../constants';
+import { isAnyArrayBuffer, isDate, isRegExp, normalizedFunctionString } from './utils';
+
+export function calculateObjectSize(
+  object: Document,
+  serializeFunctions?: boolean,
+  ignoreUndefined?: boolean
+): number {
+  let totalLength = 4 + 1;
+
+  if (Array.isArray(object)) {
+    for (let i = 0; i < object.length; i++) {
+      totalLength += calculateElement(
+        i.toString(),
+        object[i],
+        serializeFunctions,
+        true,
+        ignoreUndefined
+      );
+    }
+  } else {
+    // If we have toBSON defined, override the current object
+
+    if (typeof object?.toBSON === 'function') {
+      object = object.toBSON();
+    }
+
+    // Calculate size
+    for (const key in object) {
+      totalLength += calculateElement(key, object[key], serializeFunctions, false, ignoreUndefined);
+    }
+  }
+
+  return totalLength;
+}
+
+/** @internal */
+function calculateElement(
+  name: string,
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  value: any,
+  serializeFunctions = false,
+  isArray = false,
+  ignoreUndefined = false
+) {
+  // If we have toBSON defined, override the current object
+  if (typeof value?.toBSON === 'function') {
+    value = value.toBSON();
+  }
+
+  switch (typeof value) {
+    case 'string':
+      return 1 + Buffer.byteLength(name, 'utf8') + 1 + 4 + Buffer.byteLength(value, 'utf8') + 1;
+    case 'number':
+      if (
+        Math.floor(value) === value &&
+        value >= constants.JS_INT_MIN &&
+        value <= constants.JS_INT_MAX
+      ) {
+        if (value >= constants.BSON_INT32_MIN && value <= constants.BSON_INT32_MAX) {
+          // 32 bit
+          return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (4 + 1);
+        } else {
+          return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+        }
+      } else {
+        // 64 bit
+        return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+      }
+    case 'undefined':
+      if (isArray || !ignoreUndefined)
+        return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + 1;
+      return 0;
+    case 'boolean':
+      return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (1 + 1);
+    case 'object':
+      if (value == null || value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+        return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + 1;
+      } else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+        return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (12 + 1);
+      } else if (value instanceof Date || isDate(value)) {
+        return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+      } else if (
+        ArrayBuffer.isView(value) ||
+        value instanceof ArrayBuffer ||
+        isAnyArrayBuffer(value)
+      ) {
+        return (
+          (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (1 + 4 + 1) + value.byteLength
+        );
+      } else if (
+        value['_bsontype'] === 'Long' ||
+        value['_bsontype'] === 'Double' ||
+        value['_bsontype'] === 'Timestamp'
+      ) {
+        return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (8 + 1);
+      } else if (value['_bsontype'] === 'Decimal128') {
+        return (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (16 + 1);
+      } else if (value['_bsontype'] === 'Code') {
+        // Calculate size depending on the availability of a scope
+        if (value.scope != null && Object.keys(value.scope).length > 0) {
+          return (
+            (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+            1 +
+            4 +
+            4 +
+            Buffer.byteLength(value.code.toString(), 'utf8') +
+            1 +
+            calculateObjectSize(value.scope, serializeFunctions, ignoreUndefined)
+          );
+        } else {
+          return (
+            (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+            1 +
+            4 +
+            Buffer.byteLength(value.code.toString(), 'utf8') +
+            1
+          );
+        }
+      } else if (value['_bsontype'] === 'Binary') {
+        const binary: Binary = value;
+        // Check what kind of subtype we have
+        if (binary.sub_type === Binary.SUBTYPE_BYTE_ARRAY) {
+          return (
+            (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+            (binary.position + 1 + 4 + 1 + 4)
+          );
+        } else {
+          return (
+            (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) + (binary.position + 1 + 4 + 1)
+          );
+        }
+      } else if (value['_bsontype'] === 'Symbol') {
+        return (
+          (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+          Buffer.byteLength(value.value, 'utf8') +
+          4 +
+          1 +
+          1
+        );
+      } else if (value['_bsontype'] === 'DBRef') {
+        // Set up correct object for serialization
+        const ordered_values = Object.assign(
+          {
+            $ref: value.collection,
+            $id: value.oid
+          },
+          value.fields
+        );
+
+        // Add db reference if it exists
+        if (value.db != null) {
+          ordered_values['$db'] = value.db;
+        }
+
+        return (
+          (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+          1 +
+          calculateObjectSize(ordered_values, serializeFunctions, ignoreUndefined)
+        );
+      } else if (value instanceof RegExp || isRegExp(value)) {
+        return (
+          (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+          1 +
+          Buffer.byteLength(value.source, 'utf8') +
+          1 +
+          (value.global ? 1 : 0) +
+          (value.ignoreCase ? 1 : 0) +
+          (value.multiline ? 1 : 0) +
+          1
+        );
+      } else if (value['_bsontype'] === 'BSONRegExp') {
+        return (
+          (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+          1 +
+          Buffer.byteLength(value.pattern, 'utf8') +
+          1 +
+          Buffer.byteLength(value.options, 'utf8') +
+          1
+        );
+      } else {
+        return (
+          (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+          calculateObjectSize(value, serializeFunctions, ignoreUndefined) +
+          1
+        );
+      }
+    case 'function':
+      // WTF for 0.4.X where typeof /someregexp/ === 'function'
+      if (value instanceof RegExp || isRegExp(value) || String.call(value) === '[object RegExp]') {
+        return (
+          (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+          1 +
+          Buffer.byteLength(value.source, 'utf8') +
+          1 +
+          (value.global ? 1 : 0) +
+          (value.ignoreCase ? 1 : 0) +
+          (value.multiline ? 1 : 0) +
+          1
+        );
+      } else {
+        if (serializeFunctions && value.scope != null && Object.keys(value.scope).length > 0) {
+          return (
+            (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+            1 +
+            4 +
+            4 +
+            Buffer.byteLength(normalizedFunctionString(value), 'utf8') +
+            1 +
+            calculateObjectSize(value.scope, serializeFunctions, ignoreUndefined)
+          );
+        } else if (serializeFunctions) {
+          return (
+            (name != null ? Buffer.byteLength(name, 'utf8') + 1 : 0) +
+            1 +
+            4 +
+            Buffer.byteLength(normalizedFunctionString(value), 'utf8') +
+            1
+          );
+        }
+      }
+  }
+
+  return 0;
+}
diff --git a/node_modules/bson/src/parser/deserializer.ts b/node_modules/bson/src/parser/deserializer.ts
new file mode 100644
index 000000000..faef442f4
--- /dev/null
+++ b/node_modules/bson/src/parser/deserializer.ts
@@ -0,0 +1,782 @@
+import { Buffer } from 'buffer';
+import { Binary } from '../binary';
+import type { Document } from '../bson';
+import { Code } from '../code';
+import * as constants from '../constants';
+import { DBRef, DBRefLike, isDBRefLike } from '../db_ref';
+import { Decimal128 } from '../decimal128';
+import { Double } from '../double';
+import { BSONError } from '../error';
+import { Int32 } from '../int_32';
+import { Long } from '../long';
+import { MaxKey } from '../max_key';
+import { MinKey } from '../min_key';
+import { ObjectId } from '../objectid';
+import { BSONRegExp } from '../regexp';
+import { BSONSymbol } from '../symbol';
+import { Timestamp } from '../timestamp';
+import { validateUtf8 } from '../validate_utf8';
+
+/** @public */
+export interface DeserializeOptions {
+  /** evaluate functions in the BSON document scoped to the object deserialized. */
+  evalFunctions?: boolean;
+  /** cache evaluated functions for reuse. */
+  cacheFunctions?: boolean;
+  /**
+   * use a crc32 code for caching, otherwise use the string of the function.
+   * @deprecated this option to use the crc32 function never worked as intended
+   * due to the fact that the crc32 function itself was never implemented.
+   * */
+  cacheFunctionsCrc32?: boolean;
+  /** when deserializing a Long will fit it into a Number if it's smaller than 53 bits */
+  promoteLongs?: boolean;
+  /** when deserializing a Binary will return it as a node.js Buffer instance. */
+  promoteBuffers?: boolean;
+  /** when deserializing will promote BSON values to their Node.js closest equivalent types. */
+  promoteValues?: boolean;
+  /** allow to specify if there what fields we wish to return as unserialized raw buffer. */
+  fieldsAsRaw?: Document;
+  /** return BSON regular expressions as BSONRegExp instances. */
+  bsonRegExp?: boolean;
+  /** allows the buffer to be larger than the parsed BSON object */
+  allowObjectSmallerThanBufferSize?: boolean;
+  /** Offset into buffer to begin reading document from */
+  index?: number;
+
+  raw?: boolean;
+  /** Allows for opt-out utf-8 validation for all keys or
+   * specified keys. Must be all true or all false.
+   *
+   * @example
+   * ```js
+   * // disables validation on all keys
+   *  validation: { utf8: false }
+   *
+   * // enables validation only on specified keys a, b, and c
+   *  validation: { utf8: { a: true, b: true, c: true } }
+   *
+   *  // disables validation only on specified keys a, b
+   *  validation: { utf8: { a: false, b: false } }
+   * ```
+   */
+  validation?: { utf8: boolean | Record<string, true> | Record<string, false> };
+}
+
+// Internal long versions
+const JS_INT_MAX_LONG = Long.fromNumber(constants.JS_INT_MAX);
+const JS_INT_MIN_LONG = Long.fromNumber(constants.JS_INT_MIN);
+
+const functionCache: { [hash: string]: Function } = {};
+
+export function deserialize(
+  buffer: Buffer,
+  options: DeserializeOptions,
+  isArray?: boolean
+): Document {
+  options = options == null ? {} : options;
+  const index = options && options.index ? options.index : 0;
+  // Read the document size
+  const size =
+    buffer[index] |
+    (buffer[index + 1] << 8) |
+    (buffer[index + 2] << 16) |
+    (buffer[index + 3] << 24);
+
+  if (size < 5) {
+    throw new BSONError(`bson size must be >= 5, is ${size}`);
+  }
+
+  if (options.allowObjectSmallerThanBufferSize && buffer.length < size) {
+    throw new BSONError(`buffer length ${buffer.length} must be >= bson size ${size}`);
+  }
+
+  if (!options.allowObjectSmallerThanBufferSize && buffer.length !== size) {
+    throw new BSONError(`buffer length ${buffer.length} must === bson size ${size}`);
+  }
+
+  if (size + index > buffer.byteLength) {
+    throw new BSONError(
+      `(bson size ${size} + options.index ${index} must be <= buffer length ${buffer.byteLength})`
+    );
+  }
+
+  // Illegal end value
+  if (buffer[index + size - 1] !== 0) {
+    throw new BSONError(
+      "One object, sized correctly, with a spot for an EOO, but the EOO isn't 0x00"
+    );
+  }
+
+  // Start deserializtion
+  return deserializeObject(buffer, index, options, isArray);
+}
+
+const allowedDBRefKeys = /^\$ref$|^\$id$|^\$db$/;
+
+function deserializeObject(
+  buffer: Buffer,
+  index: number,
+  options: DeserializeOptions,
+  isArray = false
+) {
+  const evalFunctions = options['evalFunctions'] == null ? false : options['evalFunctions'];
+  const cacheFunctions = options['cacheFunctions'] == null ? false : options['cacheFunctions'];
+
+  const fieldsAsRaw = options['fieldsAsRaw'] == null ? null : options['fieldsAsRaw'];
+
+  // Return raw bson buffer instead of parsing it
+  const raw = options['raw'] == null ? false : options['raw'];
+
+  // Return BSONRegExp objects instead of native regular expressions
+  const bsonRegExp = typeof options['bsonRegExp'] === 'boolean' ? options['bsonRegExp'] : false;
+
+  // Controls the promotion of values vs wrapper classes
+  const promoteBuffers = options['promoteBuffers'] == null ? false : options['promoteBuffers'];
+  const promoteLongs = options['promoteLongs'] == null ? true : options['promoteLongs'];
+  const promoteValues = options['promoteValues'] == null ? true : options['promoteValues'];
+
+  // Ensures default validation option if none given
+  const validation = options.validation == null ? { utf8: true } : options.validation;
+
+  // Shows if global utf-8 validation is enabled or disabled
+  let globalUTFValidation = true;
+  // Reflects utf-8 validation setting regardless of global or specific key validation
+  let validationSetting: boolean;
+  // Set of keys either to enable or disable validation on
+  const utf8KeysSet = new Set();
+
+  // Check for boolean uniformity and empty validation option
+  const utf8ValidatedKeys = validation.utf8;
+  if (typeof utf8ValidatedKeys === 'boolean') {
+    validationSetting = utf8ValidatedKeys;
+  } else {
+    globalUTFValidation = false;
+    const utf8ValidationValues = Object.keys(utf8ValidatedKeys).map(function (key) {
+      return utf8ValidatedKeys[key];
+    });
+    if (utf8ValidationValues.length === 0) {
+      throw new BSONError('UTF-8 validation setting cannot be empty');
+    }
+    if (typeof utf8ValidationValues[0] !== 'boolean') {
+      throw new BSONError('Invalid UTF-8 validation option, must specify boolean values');
+    }
+    validationSetting = utf8ValidationValues[0];
+    // Ensures boolean uniformity in utf-8 validation (all true or all false)
+    if (!utf8ValidationValues.every(item => item === validationSetting)) {
+      throw new BSONError('Invalid UTF-8 validation option - keys must be all true or all false');
+    }
+  }
+
+  // Add keys to set that will either be validated or not based on validationSetting
+  if (!globalUTFValidation) {
+    for (const key of Object.keys(utf8ValidatedKeys)) {
+      utf8KeysSet.add(key);
+    }
+  }
+
+  // Set the start index
+  const startIndex = index;
+
+  // Validate that we have at least 4 bytes of buffer
+  if (buffer.length < 5) throw new BSONError('corrupt bson message < 5 bytes long');
+
+  // Read the document size
+  const size =
+    buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24);
+
+  // Ensure buffer is valid size
+  if (size < 5 || size > buffer.length) throw new BSONError('corrupt bson message');
+
+  // Create holding object
+  const object: Document = isArray ? [] : {};
+  // Used for arrays to skip having to perform utf8 decoding
+  let arrayIndex = 0;
+  const done = false;
+
+  let isPossibleDBRef = isArray ? false : null;
+
+  // While we have more left data left keep parsing
+  const dataview = new DataView(buffer.buffer, buffer.byteOffset, buffer.byteLength);
+  while (!done) {
+    // Read the type
+    const elementType = buffer[index++];
+
+    // If we get a zero it's the last byte, exit
+    if (elementType === 0) break;
+
+    // Get the start search index
+    let i = index;
+    // Locate the end of the c string
+    while (buffer[i] !== 0x00 && i < buffer.length) {
+      i++;
+    }
+
+    // If are at the end of the buffer there is a problem with the document
+    if (i >= buffer.byteLength) throw new BSONError('Bad BSON Document: illegal CString');
+
+    // Represents the key
+    const name = isArray ? arrayIndex++ : buffer.toString('utf8', index, i);
+
+    // shouldValidateKey is true if the key should be validated, false otherwise
+    let shouldValidateKey = true;
+    if (globalUTFValidation || utf8KeysSet.has(name)) {
+      shouldValidateKey = validationSetting;
+    } else {
+      shouldValidateKey = !validationSetting;
+    }
+
+    if (isPossibleDBRef !== false && (name as string)[0] === '$') {
+      isPossibleDBRef = allowedDBRefKeys.test(name as string);
+    }
+    let value;
+
+    index = i + 1;
+
+    if (elementType === constants.BSON_DATA_STRING) {
+      const stringSize =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+      if (
+        stringSize <= 0 ||
+        stringSize > buffer.length - index ||
+        buffer[index + stringSize - 1] !== 0
+      ) {
+        throw new BSONError('bad string length in bson');
+      }
+      value = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+      index = index + stringSize;
+    } else if (elementType === constants.BSON_DATA_OID) {
+      const oid = Buffer.alloc(12);
+      buffer.copy(oid, 0, index, index + 12);
+      value = new ObjectId(oid);
+      index = index + 12;
+    } else if (elementType === constants.BSON_DATA_INT && promoteValues === false) {
+      value = new Int32(
+        buffer[index++] | (buffer[index++] << 8) | (buffer[index++] << 16) | (buffer[index++] << 24)
+      );
+    } else if (elementType === constants.BSON_DATA_INT) {
+      value =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+    } else if (elementType === constants.BSON_DATA_NUMBER && promoteValues === false) {
+      value = new Double(dataview.getFloat64(index, true));
+      index = index + 8;
+    } else if (elementType === constants.BSON_DATA_NUMBER) {
+      value = dataview.getFloat64(index, true);
+      index = index + 8;
+    } else if (elementType === constants.BSON_DATA_DATE) {
+      const lowBits =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+      const highBits =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+      value = new Date(new Long(lowBits, highBits).toNumber());
+    } else if (elementType === constants.BSON_DATA_BOOLEAN) {
+      if (buffer[index] !== 0 && buffer[index] !== 1)
+        throw new BSONError('illegal boolean type value');
+      value = buffer[index++] === 1;
+    } else if (elementType === constants.BSON_DATA_OBJECT) {
+      const _index = index;
+      const objectSize =
+        buffer[index] |
+        (buffer[index + 1] << 8) |
+        (buffer[index + 2] << 16) |
+        (buffer[index + 3] << 24);
+      if (objectSize <= 0 || objectSize > buffer.length - index)
+        throw new BSONError('bad embedded document length in bson');
+
+      // We have a raw value
+      if (raw) {
+        value = buffer.slice(index, index + objectSize);
+      } else {
+        let objectOptions = options;
+        if (!globalUTFValidation) {
+          objectOptions = { ...options, validation: { utf8: shouldValidateKey } };
+        }
+        value = deserializeObject(buffer, _index, objectOptions, false);
+      }
+
+      index = index + objectSize;
+    } else if (elementType === constants.BSON_DATA_ARRAY) {
+      const _index = index;
+      const objectSize =
+        buffer[index] |
+        (buffer[index + 1] << 8) |
+        (buffer[index + 2] << 16) |
+        (buffer[index + 3] << 24);
+      let arrayOptions = options;
+
+      // Stop index
+      const stopIndex = index + objectSize;
+
+      // All elements of array to be returned as raw bson
+      if (fieldsAsRaw && fieldsAsRaw[name]) {
+        arrayOptions = {};
+        for (const n in options) {
+          (
+            arrayOptions as {
+              [key: string]: DeserializeOptions[keyof DeserializeOptions];
+            }
+          )[n] = options[n as keyof DeserializeOptions];
+        }
+        arrayOptions['raw'] = true;
+      }
+      if (!globalUTFValidation) {
+        arrayOptions = { ...arrayOptions, validation: { utf8: shouldValidateKey } };
+      }
+      value = deserializeObject(buffer, _index, arrayOptions, true);
+      index = index + objectSize;
+
+      if (buffer[index - 1] !== 0) throw new BSONError('invalid array terminator byte');
+      if (index !== stopIndex) throw new BSONError('corrupted array bson');
+    } else if (elementType === constants.BSON_DATA_UNDEFINED) {
+      value = undefined;
+    } else if (elementType === constants.BSON_DATA_NULL) {
+      value = null;
+    } else if (elementType === constants.BSON_DATA_LONG) {
+      // Unpack the low and high bits
+      const lowBits =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+      const highBits =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+      const long = new Long(lowBits, highBits);
+      // Promote the long if possible
+      if (promoteLongs && promoteValues === true) {
+        value =
+          long.lessThanOrEqual(JS_INT_MAX_LONG) && long.greaterThanOrEqual(JS_INT_MIN_LONG)
+            ? long.toNumber()
+            : long;
+      } else {
+        value = long;
+      }
+    } else if (elementType === constants.BSON_DATA_DECIMAL128) {
+      // Buffer to contain the decimal bytes
+      const bytes = Buffer.alloc(16);
+      // Copy the next 16 bytes into the bytes buffer
+      buffer.copy(bytes, 0, index, index + 16);
+      // Update index
+      index = index + 16;
+      // Assign the new Decimal128 value
+      const decimal128 = new Decimal128(bytes) as Decimal128 | { toObject(): unknown };
+      // If we have an alternative mapper use that
+      if ('toObject' in decimal128 && typeof decimal128.toObject === 'function') {
+        value = decimal128.toObject();
+      } else {
+        value = decimal128;
+      }
+    } else if (elementType === constants.BSON_DATA_BINARY) {
+      let binarySize =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+      const totalBinarySize = binarySize;
+      const subType = buffer[index++];
+
+      // Did we have a negative binary size, throw
+      if (binarySize < 0) throw new BSONError('Negative binary type element size found');
+
+      // Is the length longer than the document
+      if (binarySize > buffer.byteLength)
+        throw new BSONError('Binary type size larger than document size');
+
+      // Decode as raw Buffer object if options specifies it
+      if (buffer['slice'] != null) {
+        // If we have subtype 2 skip the 4 bytes for the size
+        if (subType === Binary.SUBTYPE_BYTE_ARRAY) {
+          binarySize =
+            buffer[index++] |
+            (buffer[index++] << 8) |
+            (buffer[index++] << 16) |
+            (buffer[index++] << 24);
+          if (binarySize < 0)
+            throw new BSONError('Negative binary type element size found for subtype 0x02');
+          if (binarySize > totalBinarySize - 4)
+            throw new BSONError('Binary type with subtype 0x02 contains too long binary size');
+          if (binarySize < totalBinarySize - 4)
+            throw new BSONError('Binary type with subtype 0x02 contains too short binary size');
+        }
+
+        if (promoteBuffers && promoteValues) {
+          value = buffer.slice(index, index + binarySize);
+        } else {
+          value = new Binary(buffer.slice(index, index + binarySize), subType);
+          if (subType === constants.BSON_BINARY_SUBTYPE_UUID_NEW) {
+            value = value.toUUID();
+          }
+        }
+      } else {
+        const _buffer = Buffer.alloc(binarySize);
+        // If we have subtype 2 skip the 4 bytes for the size
+        if (subType === Binary.SUBTYPE_BYTE_ARRAY) {
+          binarySize =
+            buffer[index++] |
+            (buffer[index++] << 8) |
+            (buffer[index++] << 16) |
+            (buffer[index++] << 24);
+          if (binarySize < 0)
+            throw new BSONError('Negative binary type element size found for subtype 0x02');
+          if (binarySize > totalBinarySize - 4)
+            throw new BSONError('Binary type with subtype 0x02 contains too long binary size');
+          if (binarySize < totalBinarySize - 4)
+            throw new BSONError('Binary type with subtype 0x02 contains too short binary size');
+        }
+
+        // Copy the data
+        for (i = 0; i < binarySize; i++) {
+          _buffer[i] = buffer[index + i];
+        }
+
+        if (promoteBuffers && promoteValues) {
+          value = _buffer;
+        } else if (subType === constants.BSON_BINARY_SUBTYPE_UUID_NEW) {
+          value = new Binary(buffer.slice(index, index + binarySize), subType).toUUID();
+        } else {
+          value = new Binary(buffer.slice(index, index + binarySize), subType);
+        }
+      }
+
+      // Update the index
+      index = index + binarySize;
+    } else if (elementType === constants.BSON_DATA_REGEXP && bsonRegExp === false) {
+      // Get the start search index
+      i = index;
+      // Locate the end of the c string
+      while (buffer[i] !== 0x00 && i < buffer.length) {
+        i++;
+      }
+      // If are at the end of the buffer there is a problem with the document
+      if (i >= buffer.length) throw new BSONError('Bad BSON Document: illegal CString');
+      // Return the C string
+      const source = buffer.toString('utf8', index, i);
+      // Create the regexp
+      index = i + 1;
+
+      // Get the start search index
+      i = index;
+      // Locate the end of the c string
+      while (buffer[i] !== 0x00 && i < buffer.length) {
+        i++;
+      }
+      // If are at the end of the buffer there is a problem with the document
+      if (i >= buffer.length) throw new BSONError('Bad BSON Document: illegal CString');
+      // Return the C string
+      const regExpOptions = buffer.toString('utf8', index, i);
+      index = i + 1;
+
+      // For each option add the corresponding one for javascript
+      const optionsArray = new Array(regExpOptions.length);
+
+      // Parse options
+      for (i = 0; i < regExpOptions.length; i++) {
+        switch (regExpOptions[i]) {
+          case 'm':
+            optionsArray[i] = 'm';
+            break;
+          case 's':
+            optionsArray[i] = 'g';
+            break;
+          case 'i':
+            optionsArray[i] = 'i';
+            break;
+        }
+      }
+
+      value = new RegExp(source, optionsArray.join(''));
+    } else if (elementType === constants.BSON_DATA_REGEXP && bsonRegExp === true) {
+      // Get the start search index
+      i = index;
+      // Locate the end of the c string
+      while (buffer[i] !== 0x00 && i < buffer.length) {
+        i++;
+      }
+      // If are at the end of the buffer there is a problem with the document
+      if (i >= buffer.length) throw new BSONError('Bad BSON Document: illegal CString');
+      // Return the C string
+      const source = buffer.toString('utf8', index, i);
+      index = i + 1;
+
+      // Get the start search index
+      i = index;
+      // Locate the end of the c string
+      while (buffer[i] !== 0x00 && i < buffer.length) {
+        i++;
+      }
+      // If are at the end of the buffer there is a problem with the document
+      if (i >= buffer.length) throw new BSONError('Bad BSON Document: illegal CString');
+      // Return the C string
+      const regExpOptions = buffer.toString('utf8', index, i);
+      index = i + 1;
+
+      // Set the object
+      value = new BSONRegExp(source, regExpOptions);
+    } else if (elementType === constants.BSON_DATA_SYMBOL) {
+      const stringSize =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+      if (
+        stringSize <= 0 ||
+        stringSize > buffer.length - index ||
+        buffer[index + stringSize - 1] !== 0
+      ) {
+        throw new BSONError('bad string length in bson');
+      }
+      const symbol = getValidatedString(buffer, index, index + stringSize - 1, shouldValidateKey);
+      value = promoteValues ? symbol : new BSONSymbol(symbol);
+      index = index + stringSize;
+    } else if (elementType === constants.BSON_DATA_TIMESTAMP) {
+      const lowBits =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+      const highBits =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+
+      value = new Timestamp(lowBits, highBits);
+    } else if (elementType === constants.BSON_DATA_MIN_KEY) {
+      value = new MinKey();
+    } else if (elementType === constants.BSON_DATA_MAX_KEY) {
+      value = new MaxKey();
+    } else if (elementType === constants.BSON_DATA_CODE) {
+      const stringSize =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+      if (
+        stringSize <= 0 ||
+        stringSize > buffer.length - index ||
+        buffer[index + stringSize - 1] !== 0
+      ) {
+        throw new BSONError('bad string length in bson');
+      }
+      const functionString = getValidatedString(
+        buffer,
+        index,
+        index + stringSize - 1,
+        shouldValidateKey
+      );
+
+      // If we are evaluating the functions
+      if (evalFunctions) {
+        // If we have cache enabled let's look for the md5 of the function in the cache
+        if (cacheFunctions) {
+          // Got to do this to avoid V8 deoptimizing the call due to finding eval
+          value = isolateEval(functionString, functionCache, object);
+        } else {
+          value = isolateEval(functionString);
+        }
+      } else {
+        value = new Code(functionString);
+      }
+
+      // Update parse index position
+      index = index + stringSize;
+    } else if (elementType === constants.BSON_DATA_CODE_W_SCOPE) {
+      const totalSize =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+
+      // Element cannot be shorter than totalSize + stringSize + documentSize + terminator
+      if (totalSize < 4 + 4 + 4 + 1) {
+        throw new BSONError('code_w_scope total size shorter minimum expected length');
+      }
+
+      // Get the code string size
+      const stringSize =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+      // Check if we have a valid string
+      if (
+        stringSize <= 0 ||
+        stringSize > buffer.length - index ||
+        buffer[index + stringSize - 1] !== 0
+      ) {
+        throw new BSONError('bad string length in bson');
+      }
+
+      // Javascript function
+      const functionString = getValidatedString(
+        buffer,
+        index,
+        index + stringSize - 1,
+        shouldValidateKey
+      );
+      // Update parse index position
+      index = index + stringSize;
+      // Parse the element
+      const _index = index;
+      // Decode the size of the object document
+      const objectSize =
+        buffer[index] |
+        (buffer[index + 1] << 8) |
+        (buffer[index + 2] << 16) |
+        (buffer[index + 3] << 24);
+      // Decode the scope object
+      const scopeObject = deserializeObject(buffer, _index, options, false);
+      // Adjust the index
+      index = index + objectSize;
+
+      // Check if field length is too short
+      if (totalSize < 4 + 4 + objectSize + stringSize) {
+        throw new BSONError('code_w_scope total size is too short, truncating scope');
+      }
+
+      // Check if totalSize field is too long
+      if (totalSize > 4 + 4 + objectSize + stringSize) {
+        throw new BSONError('code_w_scope total size is too long, clips outer document');
+      }
+
+      // If we are evaluating the functions
+      if (evalFunctions) {
+        // If we have cache enabled let's look for the md5 of the function in the cache
+        if (cacheFunctions) {
+          // Got to do this to avoid V8 deoptimizing the call due to finding eval
+          value = isolateEval(functionString, functionCache, object);
+        } else {
+          value = isolateEval(functionString);
+        }
+
+        value.scope = scopeObject;
+      } else {
+        value = new Code(functionString, scopeObject);
+      }
+    } else if (elementType === constants.BSON_DATA_DBPOINTER) {
+      // Get the code string size
+      const stringSize =
+        buffer[index++] |
+        (buffer[index++] << 8) |
+        (buffer[index++] << 16) |
+        (buffer[index++] << 24);
+      // Check if we have a valid string
+      if (
+        stringSize <= 0 ||
+        stringSize > buffer.length - index ||
+        buffer[index + stringSize - 1] !== 0
+      )
+        throw new BSONError('bad string length in bson');
+      // Namespace
+      if (validation != null && validation.utf8) {
+        if (!validateUtf8(buffer, index, index + stringSize - 1)) {
+          throw new BSONError('Invalid UTF-8 string in BSON document');
+        }
+      }
+      const namespace = buffer.toString('utf8', index, index + stringSize - 1);
+      // Update parse index position
+      index = index + stringSize;
+
+      // Read the oid
+      const oidBuffer = Buffer.alloc(12);
+      buffer.copy(oidBuffer, 0, index, index + 12);
+      const oid = new ObjectId(oidBuffer);
+
+      // Update the index
+      index = index + 12;
+
+      // Upgrade to DBRef type
+      value = new DBRef(namespace, oid);
+    } else {
+      throw new BSONError(
+        `Detected unknown BSON type ${elementType.toString(16)} for fieldname "${name}"`
+      );
+    }
+    if (name === '__proto__') {
+      Object.defineProperty(object, name, {
+        value,
+        writable: true,
+        enumerable: true,
+        configurable: true
+      });
+    } else {
+      object[name] = value;
+    }
+  }
+
+  // Check if the deserialization was against a valid array/object
+  if (size !== index - startIndex) {
+    if (isArray) throw new BSONError('corrupt array bson');
+    throw new BSONError('corrupt object bson');
+  }
+
+  // if we did not find "$ref", "$id", "$db", or found an extraneous $key, don't make a DBRef
+  if (!isPossibleDBRef) return object;
+
+  if (isDBRefLike(object)) {
+    const copy = Object.assign({}, object) as Partial<DBRefLike>;
+    delete copy.$ref;
+    delete copy.$id;
+    delete copy.$db;
+    return new DBRef(object.$ref, object.$id, object.$db, copy);
+  }
+
+  return object;
+}
+
+/**
+ * Ensure eval is isolated, store the result in functionCache.
+ *
+ * @internal
+ */
+function isolateEval(
+  functionString: string,
+  functionCache?: { [hash: string]: Function },
+  object?: Document
+) {
+  // eslint-disable-next-line @typescript-eslint/no-implied-eval
+  if (!functionCache) return new Function(functionString);
+  // Check for cache hit, eval if missing and return cached function
+  if (functionCache[functionString] == null) {
+    // eslint-disable-next-line @typescript-eslint/no-implied-eval
+    functionCache[functionString] = new Function(functionString);
+  }
+
+  // Set the object
+  return functionCache[functionString].bind(object);
+}
+
+function getValidatedString(
+  buffer: Buffer,
+  start: number,
+  end: number,
+  shouldValidateUtf8: boolean
+) {
+  const value = buffer.toString('utf8', start, end);
+  // if utf8 validation is on, do the check
+  if (shouldValidateUtf8) {
+    for (let i = 0; i < value.length; i++) {
+      if (value.charCodeAt(i) === 0xfffd) {
+        if (!validateUtf8(buffer, start, end)) {
+          throw new BSONError('Invalid UTF-8 string in BSON document');
+        }
+        break;
+      }
+    }
+  }
+  return value;
+}
diff --git a/node_modules/bson/src/parser/serializer.ts b/node_modules/bson/src/parser/serializer.ts
new file mode 100644
index 000000000..e76402aa3
--- /dev/null
+++ b/node_modules/bson/src/parser/serializer.ts
@@ -0,0 +1,1076 @@
+import type { Buffer } from 'buffer';
+import { Binary } from '../binary';
+import type { BSONSymbol, DBRef, Document, MaxKey } from '../bson';
+import type { Code } from '../code';
+import * as constants from '../constants';
+import type { DBRefLike } from '../db_ref';
+import type { Decimal128 } from '../decimal128';
+import type { Double } from '../double';
+import { ensureBuffer } from '../ensure_buffer';
+import { BSONError, BSONTypeError } from '../error';
+import { isBSONType } from '../extended_json';
+import type { Int32 } from '../int_32';
+import { Long } from '../long';
+import { Map } from '../map';
+import type { MinKey } from '../min_key';
+import type { ObjectId } from '../objectid';
+import type { BSONRegExp } from '../regexp';
+import {
+  isBigInt64Array,
+  isBigUInt64Array,
+  isDate,
+  isMap,
+  isRegExp,
+  isUint8Array,
+  normalizedFunctionString
+} from './utils';
+
+/** @public */
+export interface SerializeOptions {
+  /** the serializer will check if keys are valid. */
+  checkKeys?: boolean;
+  /** serialize the javascript functions **(default:false)**. */
+  serializeFunctions?: boolean;
+  /** serialize will not emit undefined fields **(default:true)** */
+  ignoreUndefined?: boolean;
+  /** @internal Resize internal buffer */
+  minInternalBufferSize?: number;
+  /** the index in the buffer where we wish to start serializing into */
+  index?: number;
+}
+
+const regexp = /\x00/; // eslint-disable-line no-control-regex
+const ignoreKeys = new Set(['$db', '$ref', '$id', '$clusterTime']);
+
+/*
+ * isArray indicates if we are writing to a BSON array (type 0x04)
+ * which forces the "key" which really an array index as a string to be written as ascii
+ * This will catch any errors in index as a string generation
+ */
+
+function serializeString(
+  buffer: Buffer,
+  key: string,
+  value: string,
+  index: number,
+  isArray?: boolean
+) {
+  // Encode String type
+  buffer[index++] = constants.BSON_DATA_STRING;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+  // Encode the name
+  index = index + numberOfWrittenBytes + 1;
+  buffer[index - 1] = 0;
+  // Write the string
+  const size = buffer.write(value, index + 4, undefined, 'utf8');
+  // Write the size of the string to buffer
+  buffer[index + 3] = ((size + 1) >> 24) & 0xff;
+  buffer[index + 2] = ((size + 1) >> 16) & 0xff;
+  buffer[index + 1] = ((size + 1) >> 8) & 0xff;
+  buffer[index] = (size + 1) & 0xff;
+  // Update index
+  index = index + 4 + size;
+  // Write zero
+  buffer[index++] = 0;
+  return index;
+}
+
+const SPACE_FOR_FLOAT64 = new Uint8Array(8);
+const DV_FOR_FLOAT64 = new DataView(
+  SPACE_FOR_FLOAT64.buffer,
+  SPACE_FOR_FLOAT64.byteOffset,
+  SPACE_FOR_FLOAT64.byteLength
+);
+function serializeNumber(
+  buffer: Buffer,
+  key: string,
+  value: number,
+  index: number,
+  isArray?: boolean
+) {
+  // We have an integer value
+  // TODO(NODE-2529): Add support for big int
+  if (
+    Number.isInteger(value) &&
+    value >= constants.BSON_INT32_MIN &&
+    value <= constants.BSON_INT32_MAX
+  ) {
+    // If the value fits in 32 bits encode as int32
+    // Set int type 32 bits or less
+    buffer[index++] = constants.BSON_DATA_INT;
+    // Number of written bytes
+    const numberOfWrittenBytes = !isArray
+      ? buffer.write(key, index, undefined, 'utf8')
+      : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write the int value
+    buffer[index++] = value & 0xff;
+    buffer[index++] = (value >> 8) & 0xff;
+    buffer[index++] = (value >> 16) & 0xff;
+    buffer[index++] = (value >> 24) & 0xff;
+  } else {
+    // Encode as double
+    buffer[index++] = constants.BSON_DATA_NUMBER;
+    // Number of written bytes
+    const numberOfWrittenBytes = !isArray
+      ? buffer.write(key, index, undefined, 'utf8')
+      : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Write float
+    DV_FOR_FLOAT64.setFloat64(0, value, true);
+    buffer.set(SPACE_FOR_FLOAT64, index);
+    // Adjust index
+    index = index + 8;
+  }
+
+  return index;
+}
+
+function serializeNull(buffer: Buffer, key: string, _: unknown, index: number, isArray?: boolean) {
+  // Set long type
+  buffer[index++] = constants.BSON_DATA_NULL;
+
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+  return index;
+}
+
+function serializeBoolean(
+  buffer: Buffer,
+  key: string,
+  value: boolean,
+  index: number,
+  isArray?: boolean
+) {
+  // Write the type
+  buffer[index++] = constants.BSON_DATA_BOOLEAN;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+  // Encode the boolean value
+  buffer[index++] = value ? 1 : 0;
+  return index;
+}
+
+function serializeDate(buffer: Buffer, key: string, value: Date, index: number, isArray?: boolean) {
+  // Write the type
+  buffer[index++] = constants.BSON_DATA_DATE;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+
+  // Write the date
+  const dateInMilis = Long.fromNumber(value.getTime());
+  const lowBits = dateInMilis.getLowBits();
+  const highBits = dateInMilis.getHighBits();
+  // Encode low bits
+  buffer[index++] = lowBits & 0xff;
+  buffer[index++] = (lowBits >> 8) & 0xff;
+  buffer[index++] = (lowBits >> 16) & 0xff;
+  buffer[index++] = (lowBits >> 24) & 0xff;
+  // Encode high bits
+  buffer[index++] = highBits & 0xff;
+  buffer[index++] = (highBits >> 8) & 0xff;
+  buffer[index++] = (highBits >> 16) & 0xff;
+  buffer[index++] = (highBits >> 24) & 0xff;
+  return index;
+}
+
+function serializeRegExp(
+  buffer: Buffer,
+  key: string,
+  value: RegExp,
+  index: number,
+  isArray?: boolean
+) {
+  // Write the type
+  buffer[index++] = constants.BSON_DATA_REGEXP;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+  if (value.source && value.source.match(regexp) != null) {
+    throw Error('value ' + value.source + ' must not contain null bytes');
+  }
+  // Adjust the index
+  index = index + buffer.write(value.source, index, undefined, 'utf8');
+  // Write zero
+  buffer[index++] = 0x00;
+  // Write the parameters
+  if (value.ignoreCase) buffer[index++] = 0x69; // i
+  if (value.global) buffer[index++] = 0x73; // s
+  if (value.multiline) buffer[index++] = 0x6d; // m
+
+  // Add ending zero
+  buffer[index++] = 0x00;
+  return index;
+}
+
+function serializeBSONRegExp(
+  buffer: Buffer,
+  key: string,
+  value: BSONRegExp,
+  index: number,
+  isArray?: boolean
+) {
+  // Write the type
+  buffer[index++] = constants.BSON_DATA_REGEXP;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+
+  // Check the pattern for 0 bytes
+  if (value.pattern.match(regexp) != null) {
+    // The BSON spec doesn't allow keys with null bytes because keys are
+    // null-terminated.
+    throw Error('pattern ' + value.pattern + ' must not contain null bytes');
+  }
+
+  // Adjust the index
+  index = index + buffer.write(value.pattern, index, undefined, 'utf8');
+  // Write zero
+  buffer[index++] = 0x00;
+  // Write the options
+  index = index + buffer.write(value.options.split('').sort().join(''), index, undefined, 'utf8');
+  // Add ending zero
+  buffer[index++] = 0x00;
+  return index;
+}
+
+function serializeMinMax(
+  buffer: Buffer,
+  key: string,
+  value: MinKey | MaxKey,
+  index: number,
+  isArray?: boolean
+) {
+  // Write the type of either min or max key
+  if (value === null) {
+    buffer[index++] = constants.BSON_DATA_NULL;
+  } else if (value._bsontype === 'MinKey') {
+    buffer[index++] = constants.BSON_DATA_MIN_KEY;
+  } else {
+    buffer[index++] = constants.BSON_DATA_MAX_KEY;
+  }
+
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+  return index;
+}
+
+function serializeObjectId(
+  buffer: Buffer,
+  key: string,
+  value: ObjectId,
+  index: number,
+  isArray?: boolean
+) {
+  // Write the type
+  buffer[index++] = constants.BSON_DATA_OID;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+
+  // Write the objectId into the shared buffer
+  if (typeof value.id === 'string') {
+    buffer.write(value.id, index, undefined, 'binary');
+  } else if (isUint8Array(value.id)) {
+    // Use the standard JS methods here because buffer.copy() is buggy with the
+    // browser polyfill
+    buffer.set(value.id.subarray(0, 12), index);
+  } else {
+    throw new BSONTypeError('object [' + JSON.stringify(value) + '] is not a valid ObjectId');
+  }
+
+  // Adjust index
+  return index + 12;
+}
+
+function serializeBuffer(
+  buffer: Buffer,
+  key: string,
+  value: Buffer | Uint8Array,
+  index: number,
+  isArray?: boolean
+) {
+  // Write the type
+  buffer[index++] = constants.BSON_DATA_BINARY;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+  // Get size of the buffer (current write point)
+  const size = value.length;
+  // Write the size of the string to buffer
+  buffer[index++] = size & 0xff;
+  buffer[index++] = (size >> 8) & 0xff;
+  buffer[index++] = (size >> 16) & 0xff;
+  buffer[index++] = (size >> 24) & 0xff;
+  // Write the default subtype
+  buffer[index++] = constants.BSON_BINARY_SUBTYPE_DEFAULT;
+  // Copy the content form the binary field to the buffer
+  buffer.set(ensureBuffer(value), index);
+  // Adjust the index
+  index = index + size;
+  return index;
+}
+
+function serializeObject(
+  buffer: Buffer,
+  key: string,
+  value: Document,
+  index: number,
+  checkKeys = false,
+  depth = 0,
+  serializeFunctions = false,
+  ignoreUndefined = true,
+  isArray = false,
+  path: Document[] = []
+) {
+  for (let i = 0; i < path.length; i++) {
+    if (path[i] === value) throw new BSONError('cyclic dependency detected');
+  }
+
+  // Push value to stack
+  path.push(value);
+  // Write the type
+  buffer[index++] = Array.isArray(value) ? constants.BSON_DATA_ARRAY : constants.BSON_DATA_OBJECT;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+  const endIndex = serializeInto(
+    buffer,
+    value,
+    checkKeys,
+    index,
+    depth + 1,
+    serializeFunctions,
+    ignoreUndefined,
+    path
+  );
+  // Pop stack
+  path.pop();
+  return endIndex;
+}
+
+function serializeDecimal128(
+  buffer: Buffer,
+  key: string,
+  value: Decimal128,
+  index: number,
+  isArray?: boolean
+) {
+  buffer[index++] = constants.BSON_DATA_DECIMAL128;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+  // Write the data from the value
+  // Prefer the standard JS methods because their typechecking is not buggy,
+  // unlike the `buffer` polyfill's.
+  buffer.set(value.bytes.subarray(0, 16), index);
+  return index + 16;
+}
+
+function serializeLong(buffer: Buffer, key: string, value: Long, index: number, isArray?: boolean) {
+  // Write the type
+  buffer[index++] =
+    value._bsontype === 'Long' ? constants.BSON_DATA_LONG : constants.BSON_DATA_TIMESTAMP;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+  // Write the date
+  const lowBits = value.getLowBits();
+  const highBits = value.getHighBits();
+  // Encode low bits
+  buffer[index++] = lowBits & 0xff;
+  buffer[index++] = (lowBits >> 8) & 0xff;
+  buffer[index++] = (lowBits >> 16) & 0xff;
+  buffer[index++] = (lowBits >> 24) & 0xff;
+  // Encode high bits
+  buffer[index++] = highBits & 0xff;
+  buffer[index++] = (highBits >> 8) & 0xff;
+  buffer[index++] = (highBits >> 16) & 0xff;
+  buffer[index++] = (highBits >> 24) & 0xff;
+  return index;
+}
+
+function serializeInt32(
+  buffer: Buffer,
+  key: string,
+  value: Int32 | number,
+  index: number,
+  isArray?: boolean
+) {
+  value = value.valueOf();
+  // Set int type 32 bits or less
+  buffer[index++] = constants.BSON_DATA_INT;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+  // Write the int value
+  buffer[index++] = value & 0xff;
+  buffer[index++] = (value >> 8) & 0xff;
+  buffer[index++] = (value >> 16) & 0xff;
+  buffer[index++] = (value >> 24) & 0xff;
+  return index;
+}
+
+function serializeDouble(
+  buffer: Buffer,
+  key: string,
+  value: Double,
+  index: number,
+  isArray?: boolean
+) {
+  // Encode as double
+  buffer[index++] = constants.BSON_DATA_NUMBER;
+
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+
+  // Write float
+  DV_FOR_FLOAT64.setFloat64(0, value.value, true);
+  buffer.set(SPACE_FOR_FLOAT64, index);
+
+  // Adjust index
+  index = index + 8;
+  return index;
+}
+
+function serializeFunction(
+  buffer: Buffer,
+  key: string,
+  value: Function,
+  index: number,
+  _checkKeys = false,
+  _depth = 0,
+  isArray?: boolean
+) {
+  buffer[index++] = constants.BSON_DATA_CODE;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+  // Function string
+  const functionString = normalizedFunctionString(value);
+
+  // Write the string
+  const size = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+  // Write the size of the string to buffer
+  buffer[index] = size & 0xff;
+  buffer[index + 1] = (size >> 8) & 0xff;
+  buffer[index + 2] = (size >> 16) & 0xff;
+  buffer[index + 3] = (size >> 24) & 0xff;
+  // Update index
+  index = index + 4 + size - 1;
+  // Write zero
+  buffer[index++] = 0;
+  return index;
+}
+
+function serializeCode(
+  buffer: Buffer,
+  key: string,
+  value: Code,
+  index: number,
+  checkKeys = false,
+  depth = 0,
+  serializeFunctions = false,
+  ignoreUndefined = true,
+  isArray = false
+) {
+  if (value.scope && typeof value.scope === 'object') {
+    // Write the type
+    buffer[index++] = constants.BSON_DATA_CODE_W_SCOPE;
+    // Number of written bytes
+    const numberOfWrittenBytes = !isArray
+      ? buffer.write(key, index, undefined, 'utf8')
+      : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+
+    // Starting index
+    let startIndex = index;
+
+    // Serialize the function
+    // Get the function string
+    const functionString = typeof value.code === 'string' ? value.code : value.code.toString();
+    // Index adjustment
+    index = index + 4;
+    // Write string into buffer
+    const codeSize = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+    // Write the size of the string to buffer
+    buffer[index] = codeSize & 0xff;
+    buffer[index + 1] = (codeSize >> 8) & 0xff;
+    buffer[index + 2] = (codeSize >> 16) & 0xff;
+    buffer[index + 3] = (codeSize >> 24) & 0xff;
+    // Write end 0
+    buffer[index + 4 + codeSize - 1] = 0;
+    // Write the
+    index = index + codeSize + 4;
+
+    //
+    // Serialize the scope value
+    const endIndex = serializeInto(
+      buffer,
+      value.scope,
+      checkKeys,
+      index,
+      depth + 1,
+      serializeFunctions,
+      ignoreUndefined
+    );
+    index = endIndex - 1;
+
+    // Writ the total
+    const totalSize = endIndex - startIndex;
+
+    // Write the total size of the object
+    buffer[startIndex++] = totalSize & 0xff;
+    buffer[startIndex++] = (totalSize >> 8) & 0xff;
+    buffer[startIndex++] = (totalSize >> 16) & 0xff;
+    buffer[startIndex++] = (totalSize >> 24) & 0xff;
+    // Write trailing zero
+    buffer[index++] = 0;
+  } else {
+    buffer[index++] = constants.BSON_DATA_CODE;
+    // Number of written bytes
+    const numberOfWrittenBytes = !isArray
+      ? buffer.write(key, index, undefined, 'utf8')
+      : buffer.write(key, index, undefined, 'ascii');
+    // Encode the name
+    index = index + numberOfWrittenBytes;
+    buffer[index++] = 0;
+    // Function string
+    const functionString = value.code.toString();
+    // Write the string
+    const size = buffer.write(functionString, index + 4, undefined, 'utf8') + 1;
+    // Write the size of the string to buffer
+    buffer[index] = size & 0xff;
+    buffer[index + 1] = (size >> 8) & 0xff;
+    buffer[index + 2] = (size >> 16) & 0xff;
+    buffer[index + 3] = (size >> 24) & 0xff;
+    // Update index
+    index = index + 4 + size - 1;
+    // Write zero
+    buffer[index++] = 0;
+  }
+
+  return index;
+}
+
+function serializeBinary(
+  buffer: Buffer,
+  key: string,
+  value: Binary,
+  index: number,
+  isArray?: boolean
+) {
+  // Write the type
+  buffer[index++] = constants.BSON_DATA_BINARY;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+  // Extract the buffer
+  const data = value.value(true) as Buffer | Uint8Array;
+  // Calculate size
+  let size = value.position;
+  // Add the deprecated 02 type 4 bytes of size to total
+  if (value.sub_type === Binary.SUBTYPE_BYTE_ARRAY) size = size + 4;
+  // Write the size of the string to buffer
+  buffer[index++] = size & 0xff;
+  buffer[index++] = (size >> 8) & 0xff;
+  buffer[index++] = (size >> 16) & 0xff;
+  buffer[index++] = (size >> 24) & 0xff;
+  // Write the subtype to the buffer
+  buffer[index++] = value.sub_type;
+
+  // If we have binary type 2 the 4 first bytes are the size
+  if (value.sub_type === Binary.SUBTYPE_BYTE_ARRAY) {
+    size = size - 4;
+    buffer[index++] = size & 0xff;
+    buffer[index++] = (size >> 8) & 0xff;
+    buffer[index++] = (size >> 16) & 0xff;
+    buffer[index++] = (size >> 24) & 0xff;
+  }
+
+  // Write the data to the object
+  buffer.set(data, index);
+  // Adjust the index
+  index = index + value.position;
+  return index;
+}
+
+function serializeSymbol(
+  buffer: Buffer,
+  key: string,
+  value: BSONSymbol,
+  index: number,
+  isArray?: boolean
+) {
+  // Write the type
+  buffer[index++] = constants.BSON_DATA_SYMBOL;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+  // Write the string
+  const size = buffer.write(value.value, index + 4, undefined, 'utf8') + 1;
+  // Write the size of the string to buffer
+  buffer[index] = size & 0xff;
+  buffer[index + 1] = (size >> 8) & 0xff;
+  buffer[index + 2] = (size >> 16) & 0xff;
+  buffer[index + 3] = (size >> 24) & 0xff;
+  // Update index
+  index = index + 4 + size - 1;
+  // Write zero
+  buffer[index++] = 0x00;
+  return index;
+}
+
+function serializeDBRef(
+  buffer: Buffer,
+  key: string,
+  value: DBRef,
+  index: number,
+  depth: number,
+  serializeFunctions: boolean,
+  isArray?: boolean
+) {
+  // Write the type
+  buffer[index++] = constants.BSON_DATA_OBJECT;
+  // Number of written bytes
+  const numberOfWrittenBytes = !isArray
+    ? buffer.write(key, index, undefined, 'utf8')
+    : buffer.write(key, index, undefined, 'ascii');
+
+  // Encode the name
+  index = index + numberOfWrittenBytes;
+  buffer[index++] = 0;
+
+  let startIndex = index;
+  let output: DBRefLike = {
+    $ref: value.collection || value.namespace, // "namespace" was what library 1.x called "collection"
+    $id: value.oid
+  };
+
+  if (value.db != null) {
+    output.$db = value.db;
+  }
+
+  output = Object.assign(output, value.fields);
+  const endIndex = serializeInto(buffer, output, false, index, depth + 1, serializeFunctions);
+
+  // Calculate object size
+  const size = endIndex - startIndex;
+  // Write the size
+  buffer[startIndex++] = size & 0xff;
+  buffer[startIndex++] = (size >> 8) & 0xff;
+  buffer[startIndex++] = (size >> 16) & 0xff;
+  buffer[startIndex++] = (size >> 24) & 0xff;
+  // Set index
+  return endIndex;
+}
+
+export function serializeInto(
+  buffer: Buffer,
+  object: Document,
+  checkKeys = false,
+  startingIndex = 0,
+  depth = 0,
+  serializeFunctions = false,
+  ignoreUndefined = true,
+  path: Document[] = []
+): number {
+  startingIndex = startingIndex || 0;
+  path = path || [];
+
+  // Push the object to the path
+  path.push(object);
+
+  // Start place to serialize into
+  let index = startingIndex + 4;
+
+  // Special case isArray
+  if (Array.isArray(object)) {
+    // Get object keys
+    for (let i = 0; i < object.length; i++) {
+      const key = `${i}`;
+      let value = object[i];
+
+      // Is there an override value
+      if (typeof value?.toBSON === 'function') {
+        value = value.toBSON();
+      }
+
+      if (typeof value === 'string') {
+        index = serializeString(buffer, key, value, index, true);
+      } else if (typeof value === 'number') {
+        index = serializeNumber(buffer, key, value, index, true);
+      } else if (typeof value === 'bigint') {
+        throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+      } else if (typeof value === 'boolean') {
+        index = serializeBoolean(buffer, key, value, index, true);
+      } else if (value instanceof Date || isDate(value)) {
+        index = serializeDate(buffer, key, value, index, true);
+      } else if (value === undefined) {
+        index = serializeNull(buffer, key, value, index, true);
+      } else if (value === null) {
+        index = serializeNull(buffer, key, value, index, true);
+      } else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+        index = serializeObjectId(buffer, key, value, index, true);
+      } else if (isUint8Array(value)) {
+        index = serializeBuffer(buffer, key, value, index, true);
+      } else if (value instanceof RegExp || isRegExp(value)) {
+        index = serializeRegExp(buffer, key, value, index, true);
+      } else if (typeof value === 'object' && value['_bsontype'] == null) {
+        index = serializeObject(
+          buffer,
+          key,
+          value,
+          index,
+          checkKeys,
+          depth,
+          serializeFunctions,
+          ignoreUndefined,
+          true,
+          path
+        );
+      } else if (
+        typeof value === 'object' &&
+        isBSONType(value) &&
+        value._bsontype === 'Decimal128'
+      ) {
+        index = serializeDecimal128(buffer, key, value, index, true);
+      } else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+        index = serializeLong(buffer, key, value, index, true);
+      } else if (value['_bsontype'] === 'Double') {
+        index = serializeDouble(buffer, key, value, index, true);
+      } else if (typeof value === 'function' && serializeFunctions) {
+        index = serializeFunction(buffer, key, value, index, checkKeys, depth, true);
+      } else if (value['_bsontype'] === 'Code') {
+        index = serializeCode(
+          buffer,
+          key,
+          value,
+          index,
+          checkKeys,
+          depth,
+          serializeFunctions,
+          ignoreUndefined,
+          true
+        );
+      } else if (value['_bsontype'] === 'Binary') {
+        index = serializeBinary(buffer, key, value, index, true);
+      } else if (value['_bsontype'] === 'Symbol') {
+        index = serializeSymbol(buffer, key, value, index, true);
+      } else if (value['_bsontype'] === 'DBRef') {
+        index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions, true);
+      } else if (value['_bsontype'] === 'BSONRegExp') {
+        index = serializeBSONRegExp(buffer, key, value, index, true);
+      } else if (value['_bsontype'] === 'Int32') {
+        index = serializeInt32(buffer, key, value, index, true);
+      } else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+        index = serializeMinMax(buffer, key, value, index, true);
+      } else if (typeof value['_bsontype'] !== 'undefined') {
+        throw new BSONTypeError(`Unrecognized or invalid _bsontype: ${String(value['_bsontype'])}`);
+      }
+    }
+  } else if (object instanceof Map || isMap(object)) {
+    const iterator = object.entries();
+    let done = false;
+
+    while (!done) {
+      // Unpack the next entry
+      const entry = iterator.next();
+      done = !!entry.done;
+      // Are we done, then skip and terminate
+      if (done) continue;
+
+      // Get the entry values
+      const key = entry.value[0];
+      const value = entry.value[1];
+
+      // Check the type of the value
+      const type = typeof value;
+
+      // Check the key and throw error if it's illegal
+      if (typeof key === 'string' && !ignoreKeys.has(key)) {
+        if (key.match(regexp) != null) {
+          // The BSON spec doesn't allow keys with null bytes because keys are
+          // null-terminated.
+          throw Error('key ' + key + ' must not contain null bytes');
+        }
+
+        if (checkKeys) {
+          if ('$' === key[0]) {
+            throw Error('key ' + key + " must not start with '$'");
+          } else if (~key.indexOf('.')) {
+            throw Error('key ' + key + " must not contain '.'");
+          }
+        }
+      }
+
+      if (type === 'string') {
+        index = serializeString(buffer, key, value, index);
+      } else if (type === 'number') {
+        index = serializeNumber(buffer, key, value, index);
+      } else if (type === 'bigint' || isBigInt64Array(value) || isBigUInt64Array(value)) {
+        throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+      } else if (type === 'boolean') {
+        index = serializeBoolean(buffer, key, value, index);
+      } else if (value instanceof Date || isDate(value)) {
+        index = serializeDate(buffer, key, value, index);
+      } else if (value === null || (value === undefined && ignoreUndefined === false)) {
+        index = serializeNull(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+        index = serializeObjectId(buffer, key, value, index);
+      } else if (isUint8Array(value)) {
+        index = serializeBuffer(buffer, key, value, index);
+      } else if (value instanceof RegExp || isRegExp(value)) {
+        index = serializeRegExp(buffer, key, value, index);
+      } else if (type === 'object' && value['_bsontype'] == null) {
+        index = serializeObject(
+          buffer,
+          key,
+          value,
+          index,
+          checkKeys,
+          depth,
+          serializeFunctions,
+          ignoreUndefined,
+          false,
+          path
+        );
+      } else if (type === 'object' && value['_bsontype'] === 'Decimal128') {
+        index = serializeDecimal128(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+        index = serializeLong(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'Double') {
+        index = serializeDouble(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'Code') {
+        index = serializeCode(
+          buffer,
+          key,
+          value,
+          index,
+          checkKeys,
+          depth,
+          serializeFunctions,
+          ignoreUndefined
+        );
+      } else if (typeof value === 'function' && serializeFunctions) {
+        index = serializeFunction(buffer, key, value, index, checkKeys, depth, serializeFunctions);
+      } else if (value['_bsontype'] === 'Binary') {
+        index = serializeBinary(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'Symbol') {
+        index = serializeSymbol(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'DBRef') {
+        index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions);
+      } else if (value['_bsontype'] === 'BSONRegExp') {
+        index = serializeBSONRegExp(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'Int32') {
+        index = serializeInt32(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+        index = serializeMinMax(buffer, key, value, index);
+      } else if (typeof value['_bsontype'] !== 'undefined') {
+        throw new BSONTypeError(`Unrecognized or invalid _bsontype: ${String(value['_bsontype'])}`);
+      }
+    }
+  } else {
+    if (typeof object?.toBSON === 'function') {
+      // Provided a custom serialization method
+      object = object.toBSON();
+      if (object != null && typeof object !== 'object') {
+        throw new BSONTypeError('toBSON function did not return an object');
+      }
+    }
+
+    // Iterate over all the keys
+    for (const key in object) {
+      let value = object[key];
+      // Is there an override value
+      if (typeof value?.toBSON === 'function') {
+        value = value.toBSON();
+      }
+
+      // Check the type of the value
+      const type = typeof value;
+
+      // Check the key and throw error if it's illegal
+      if (typeof key === 'string' && !ignoreKeys.has(key)) {
+        if (key.match(regexp) != null) {
+          // The BSON spec doesn't allow keys with null bytes because keys are
+          // null-terminated.
+          throw Error('key ' + key + ' must not contain null bytes');
+        }
+
+        if (checkKeys) {
+          if ('$' === key[0]) {
+            throw Error('key ' + key + " must not start with '$'");
+          } else if (~key.indexOf('.')) {
+            throw Error('key ' + key + " must not contain '.'");
+          }
+        }
+      }
+
+      if (type === 'string') {
+        index = serializeString(buffer, key, value, index);
+      } else if (type === 'number') {
+        index = serializeNumber(buffer, key, value, index);
+      } else if (type === 'bigint') {
+        throw new BSONTypeError('Unsupported type BigInt, please use Decimal128');
+      } else if (type === 'boolean') {
+        index = serializeBoolean(buffer, key, value, index);
+      } else if (value instanceof Date || isDate(value)) {
+        index = serializeDate(buffer, key, value, index);
+      } else if (value === undefined) {
+        if (ignoreUndefined === false) index = serializeNull(buffer, key, value, index);
+      } else if (value === null) {
+        index = serializeNull(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'ObjectId' || value['_bsontype'] === 'ObjectID') {
+        index = serializeObjectId(buffer, key, value, index);
+      } else if (isUint8Array(value)) {
+        index = serializeBuffer(buffer, key, value, index);
+      } else if (value instanceof RegExp || isRegExp(value)) {
+        index = serializeRegExp(buffer, key, value, index);
+      } else if (type === 'object' && value['_bsontype'] == null) {
+        index = serializeObject(
+          buffer,
+          key,
+          value,
+          index,
+          checkKeys,
+          depth,
+          serializeFunctions,
+          ignoreUndefined,
+          false,
+          path
+        );
+      } else if (type === 'object' && value['_bsontype'] === 'Decimal128') {
+        index = serializeDecimal128(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'Long' || value['_bsontype'] === 'Timestamp') {
+        index = serializeLong(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'Double') {
+        index = serializeDouble(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'Code') {
+        index = serializeCode(
+          buffer,
+          key,
+          value,
+          index,
+          checkKeys,
+          depth,
+          serializeFunctions,
+          ignoreUndefined
+        );
+      } else if (typeof value === 'function' && serializeFunctions) {
+        index = serializeFunction(buffer, key, value, index, checkKeys, depth, serializeFunctions);
+      } else if (value['_bsontype'] === 'Binary') {
+        index = serializeBinary(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'Symbol') {
+        index = serializeSymbol(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'DBRef') {
+        index = serializeDBRef(buffer, key, value, index, depth, serializeFunctions);
+      } else if (value['_bsontype'] === 'BSONRegExp') {
+        index = serializeBSONRegExp(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'Int32') {
+        index = serializeInt32(buffer, key, value, index);
+      } else if (value['_bsontype'] === 'MinKey' || value['_bsontype'] === 'MaxKey') {
+        index = serializeMinMax(buffer, key, value, index);
+      } else if (typeof value['_bsontype'] !== 'undefined') {
+        throw new BSONTypeError(`Unrecognized or invalid _bsontype: ${String(value['_bsontype'])}`);
+      }
+    }
+  }
+
+  // Remove the path
+  path.pop();
+
+  // Final padding byte for object
+  buffer[index++] = 0x00;
+
+  // Final size
+  const size = index - startingIndex;
+  // Write the size of the object
+  buffer[startingIndex++] = size & 0xff;
+  buffer[startingIndex++] = (size >> 8) & 0xff;
+  buffer[startingIndex++] = (size >> 16) & 0xff;
+  buffer[startingIndex++] = (size >> 24) & 0xff;
+  return index;
+}
diff --git a/node_modules/bson/src/parser/utils.ts b/node_modules/bson/src/parser/utils.ts
new file mode 100644
index 000000000..abf935df5
--- /dev/null
+++ b/node_modules/bson/src/parser/utils.ts
@@ -0,0 +1,127 @@
+import { Buffer } from 'buffer';
+import { getGlobal } from '../utils/global';
+
+type RandomBytesFunction = (size: number) => Uint8Array;
+
+/**
+ * Normalizes our expected stringified form of a function across versions of node
+ * @param fn - The function to stringify
+ */
+export function normalizedFunctionString(fn: Function): string {
+  return fn.toString().replace('function(', 'function (');
+}
+
+function isReactNative() {
+  const g = getGlobal<{ navigator?: { product?: string } }>();
+  return typeof g.navigator === 'object' && g.navigator.product === 'ReactNative';
+}
+
+const insecureRandomBytes: RandomBytesFunction = function insecureRandomBytes(size: number) {
+  const insecureWarning = isReactNative()
+    ? 'BSON: For React Native please polyfill crypto.getRandomValues, e.g. using: https://www.npmjs.com/package/react-native-get-random-values.'
+    : 'BSON: No cryptographic implementation for random bytes present, falling back to a less secure implementation.';
+  console.warn(insecureWarning);
+
+  const result = Buffer.alloc(size);
+  for (let i = 0; i < size; ++i) result[i] = Math.floor(Math.random() * 256);
+  return result;
+};
+
+/* We do not want to have to include DOM types just for this check */
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+declare let window: any;
+declare let require: Function;
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+declare let global: any;
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+declare let process: any; // Used by @rollup/plugin-replace
+
+const detectRandomBytes = (): RandomBytesFunction => {
+  if (process.browser) {
+    if (typeof window !== 'undefined') {
+      // browser crypto implementation(s)
+      const target = window.crypto || window.msCrypto; // allow for IE11
+      if (target && target.getRandomValues) {
+        return size => target.getRandomValues(Buffer.alloc(size));
+      }
+    }
+
+    if (typeof global !== 'undefined' && global.crypto && global.crypto.getRandomValues) {
+      // allow for RN packages such as https://www.npmjs.com/package/react-native-get-random-values to populate global
+      return size => global.crypto.getRandomValues(Buffer.alloc(size));
+    }
+
+    return insecureRandomBytes;
+  } else {
+    let requiredRandomBytes: RandomBytesFunction | null | undefined;
+    try {
+      requiredRandomBytes = require('crypto').randomBytes;
+    } catch (e) {
+      // keep the fallback
+    }
+
+    // NOTE: in transpiled cases the above require might return null/undefined
+
+    return requiredRandomBytes || insecureRandomBytes;
+  }
+};
+
+export const randomBytes = detectRandomBytes();
+
+export function isAnyArrayBuffer(value: unknown): value is ArrayBuffer {
+  return ['[object ArrayBuffer]', '[object SharedArrayBuffer]'].includes(
+    Object.prototype.toString.call(value)
+  );
+}
+
+export function isUint8Array(value: unknown): value is Uint8Array {
+  return Object.prototype.toString.call(value) === '[object Uint8Array]';
+}
+
+export function isBigInt64Array(value: unknown): value is BigInt64Array {
+  return Object.prototype.toString.call(value) === '[object BigInt64Array]';
+}
+
+export function isBigUInt64Array(value: unknown): value is BigUint64Array {
+  return Object.prototype.toString.call(value) === '[object BigUint64Array]';
+}
+
+export function isRegExp(d: unknown): d is RegExp {
+  return Object.prototype.toString.call(d) === '[object RegExp]';
+}
+
+export function isMap(d: unknown): d is Map<unknown, unknown> {
+  return Object.prototype.toString.call(d) === '[object Map]';
+}
+
+/** Call to check if your environment has `Buffer` */
+export function haveBuffer(): boolean {
+  return typeof global !== 'undefined' && typeof global.Buffer !== 'undefined';
+}
+
+// To ensure that 0.4 of node works correctly
+export function isDate(d: unknown): d is Date {
+  return isObjectLike(d) && Object.prototype.toString.call(d) === '[object Date]';
+}
+
+/**
+ * @internal
+ * this is to solve the `'someKey' in x` problem where x is unknown.
+ * https://github.com/typescript-eslint/typescript-eslint/issues/1071#issuecomment-541955753
+ */
+export function isObjectLike(candidate: unknown): candidate is Record<string, unknown> {
+  return typeof candidate === 'object' && candidate !== null;
+}
+
+declare let console: { warn(...message: unknown[]): void };
+export function deprecate<T extends Function>(fn: T, message: string): T {
+  let warned = false;
+  function deprecated(this: unknown, ...args: unknown[]) {
+    if (!warned) {
+      console.warn(message);
+      warned = true;
+    }
+    return fn.apply(this, args);
+  }
+  return deprecated as unknown as T;
+}
diff --git a/node_modules/bson/src/regexp.ts b/node_modules/bson/src/regexp.ts
new file mode 100644
index 000000000..efd56280a
--- /dev/null
+++ b/node_modules/bson/src/regexp.ts
@@ -0,0 +1,105 @@
+import { BSONError, BSONTypeError } from './error';
+import type { EJSONOptions } from './extended_json';
+
+function alphabetize(str: string): string {
+  return str.split('').sort().join('');
+}
+
+/** @public */
+export interface BSONRegExpExtendedLegacy {
+  $regex: string | BSONRegExp;
+  $options: string;
+}
+
+/** @public */
+export interface BSONRegExpExtended {
+  $regularExpression: {
+    pattern: string;
+    options: string;
+  };
+}
+
+/**
+ * A class representation of the BSON RegExp type.
+ * @public
+ * @category BSONType
+ */
+export class BSONRegExp {
+  _bsontype!: 'BSONRegExp';
+
+  pattern!: string;
+  options!: string;
+  /**
+   * @param pattern - The regular expression pattern to match
+   * @param options - The regular expression options
+   */
+  constructor(pattern: string, options?: string) {
+    if (!(this instanceof BSONRegExp)) return new BSONRegExp(pattern, options);
+
+    this.pattern = pattern;
+    this.options = alphabetize(options ?? '');
+
+    if (this.pattern.indexOf('\x00') !== -1) {
+      throw new BSONError(
+        `BSON Regex patterns cannot contain null bytes, found: ${JSON.stringify(this.pattern)}`
+      );
+    }
+    if (this.options.indexOf('\x00') !== -1) {
+      throw new BSONError(
+        `BSON Regex options cannot contain null bytes, found: ${JSON.stringify(this.options)}`
+      );
+    }
+
+    // Validate options
+    for (let i = 0; i < this.options.length; i++) {
+      if (
+        !(
+          this.options[i] === 'i' ||
+          this.options[i] === 'm' ||
+          this.options[i] === 'x' ||
+          this.options[i] === 'l' ||
+          this.options[i] === 's' ||
+          this.options[i] === 'u'
+        )
+      ) {
+        throw new BSONError(`The regular expression option [${this.options[i]}] is not supported`);
+      }
+    }
+  }
+
+  static parseOptions(options?: string): string {
+    return options ? options.split('').sort().join('') : '';
+  }
+
+  /** @internal */
+  toExtendedJSON(options?: EJSONOptions): BSONRegExpExtendedLegacy | BSONRegExpExtended {
+    options = options || {};
+    if (options.legacy) {
+      return { $regex: this.pattern, $options: this.options };
+    }
+    return { $regularExpression: { pattern: this.pattern, options: this.options } };
+  }
+
+  /** @internal */
+  static fromExtendedJSON(doc: BSONRegExpExtendedLegacy | BSONRegExpExtended): BSONRegExp {
+    if ('$regex' in doc) {
+      if (typeof doc.$regex !== 'string') {
+        // This is for $regex query operators that have extended json values.
+        if (doc.$regex._bsontype === 'BSONRegExp') {
+          return doc as unknown as BSONRegExp;
+        }
+      } else {
+        return new BSONRegExp(doc.$regex, BSONRegExp.parseOptions(doc.$options));
+      }
+    }
+    if ('$regularExpression' in doc) {
+      return new BSONRegExp(
+        doc.$regularExpression.pattern,
+        BSONRegExp.parseOptions(doc.$regularExpression.options)
+      );
+    }
+    throw new BSONTypeError(`Unexpected BSONRegExp EJSON object form: ${JSON.stringify(doc)}`);
+  }
+}
+
+Object.defineProperty(BSONRegExp.prototype, '_bsontype', { value: 'BSONRegExp' });
diff --git a/node_modules/bson/src/symbol.ts b/node_modules/bson/src/symbol.ts
new file mode 100644
index 000000000..1e82fc1c3
--- /dev/null
+++ b/node_modules/bson/src/symbol.ts
@@ -0,0 +1,58 @@
+/** @public */
+export interface BSONSymbolExtended {
+  $symbol: string;
+}
+
+/**
+ * A class representation of the BSON Symbol type.
+ * @public
+ * @category BSONType
+ */
+export class BSONSymbol {
+  _bsontype!: 'Symbol';
+
+  value!: string;
+  /**
+   * @param value - the string representing the symbol.
+   */
+  constructor(value: string) {
+    if (!(this instanceof BSONSymbol)) return new BSONSymbol(value);
+
+    this.value = value;
+  }
+
+  /** Access the wrapped string value. */
+  valueOf(): string {
+    return this.value;
+  }
+
+  toString(): string {
+    return this.value;
+  }
+
+  /** @internal */
+  inspect(): string {
+    return `new BSONSymbol("${this.value}")`;
+  }
+
+  toJSON(): string {
+    return this.value;
+  }
+
+  /** @internal */
+  toExtendedJSON(): BSONSymbolExtended {
+    return { $symbol: this.value };
+  }
+
+  /** @internal */
+  static fromExtendedJSON(doc: BSONSymbolExtended): BSONSymbol {
+    return new BSONSymbol(doc.$symbol);
+  }
+
+  /** @internal */
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+}
+
+Object.defineProperty(BSONSymbol.prototype, '_bsontype', { value: 'Symbol' });
diff --git a/node_modules/bson/src/timestamp.ts b/node_modules/bson/src/timestamp.ts
new file mode 100644
index 000000000..4c4b7e74c
--- /dev/null
+++ b/node_modules/bson/src/timestamp.ts
@@ -0,0 +1,119 @@
+import { Long } from './long';
+import { isObjectLike } from './parser/utils';
+
+/** @public */
+export type TimestampOverrides = '_bsontype' | 'toExtendedJSON' | 'fromExtendedJSON' | 'inspect';
+/** @public */
+export type LongWithoutOverrides = new (low: unknown, high?: number, unsigned?: boolean) => {
+  [P in Exclude<keyof Long, TimestampOverrides>]: Long[P];
+};
+/** @public */
+export const LongWithoutOverridesClass: LongWithoutOverrides =
+  Long as unknown as LongWithoutOverrides;
+
+/** @public */
+export interface TimestampExtended {
+  $timestamp: {
+    t: number;
+    i: number;
+  };
+}
+
+/**
+ * @public
+ * @category BSONType
+ * */
+export class Timestamp extends LongWithoutOverridesClass {
+  _bsontype!: 'Timestamp';
+
+  static readonly MAX_VALUE = Long.MAX_UNSIGNED_VALUE;
+
+  /**
+   * @param low - A 64-bit Long representing the Timestamp.
+   */
+  constructor(long: Long);
+  /**
+   * @param value - A pair of two values indicating timestamp and increment.
+   */
+  constructor(value: { t: number; i: number });
+  /**
+   * @param low - the low (signed) 32 bits of the Timestamp.
+   * @param high - the high (signed) 32 bits of the Timestamp.
+   * @deprecated Please use `Timestamp({ t: high, i: low })` or `Timestamp(Long(low, high))` instead.
+   */
+  constructor(low: number, high: number);
+  constructor(low: number | Long | { t: number; i: number }, high?: number) {
+    // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+    // @ts-expect-error
+    if (!(this instanceof Timestamp)) return new Timestamp(low, high);
+
+    if (Long.isLong(low)) {
+      super(low.low, low.high, true);
+    } else if (isObjectLike(low) && typeof low.t !== 'undefined' && typeof low.i !== 'undefined') {
+      super(low.i, low.t, true);
+    } else {
+      super(low, high, true);
+    }
+    Object.defineProperty(this, '_bsontype', {
+      value: 'Timestamp',
+      writable: false,
+      configurable: false,
+      enumerable: false
+    });
+  }
+
+  toJSON(): { $timestamp: string } {
+    return {
+      $timestamp: this.toString()
+    };
+  }
+
+  /** Returns a Timestamp represented by the given (32-bit) integer value. */
+  static fromInt(value: number): Timestamp {
+    return new Timestamp(Long.fromInt(value, true));
+  }
+
+  /** Returns a Timestamp representing the given number value, provided that it is a finite number. Otherwise, zero is returned. */
+  static fromNumber(value: number): Timestamp {
+    return new Timestamp(Long.fromNumber(value, true));
+  }
+
+  /**
+   * Returns a Timestamp for the given high and low bits. Each is assumed to use 32 bits.
+   *
+   * @param lowBits - the low 32-bits.
+   * @param highBits - the high 32-bits.
+   */
+  static fromBits(lowBits: number, highBits: number): Timestamp {
+    return new Timestamp(lowBits, highBits);
+  }
+
+  /**
+   * Returns a Timestamp from the given string, optionally using the given radix.
+   *
+   * @param str - the textual representation of the Timestamp.
+   * @param optRadix - the radix in which the text is written.
+   */
+  static fromString(str: string, optRadix: number): Timestamp {
+    return new Timestamp(Long.fromString(str, true, optRadix));
+  }
+
+  /** @internal */
+  toExtendedJSON(): TimestampExtended {
+    return { $timestamp: { t: this.high >>> 0, i: this.low >>> 0 } };
+  }
+
+  /** @internal */
+  static fromExtendedJSON(doc: TimestampExtended): Timestamp {
+    return new Timestamp(doc.$timestamp);
+  }
+
+  /** @internal */
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    return `new Timestamp({ t: ${this.getHighBits()}, i: ${this.getLowBits()} })`;
+  }
+}
diff --git a/node_modules/bson/src/utils/global.ts b/node_modules/bson/src/utils/global.ts
new file mode 100644
index 000000000..3e45ffb8b
--- /dev/null
+++ b/node_modules/bson/src/utils/global.ts
@@ -0,0 +1,22 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+/* We do not want to have to include DOM types just for this check */
+declare const window: unknown;
+declare const self: unknown;
+declare const global: unknown;
+
+function checkForMath(potentialGlobal: any) {
+  // eslint-disable-next-line eqeqeq
+  return potentialGlobal && potentialGlobal.Math == Math && potentialGlobal;
+}
+
+// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
+export function getGlobal<T = Record<string, unknown>>(): T {
+  return (
+    checkForMath(typeof globalThis === 'object' && globalThis) ||
+    checkForMath(typeof window === 'object' && window) ||
+    checkForMath(typeof self === 'object' && self) ||
+    checkForMath(typeof global === 'object' && global) ||
+    // eslint-disable-next-line @typescript-eslint/no-implied-eval
+    Function('return this')()
+  );
+}
diff --git a/node_modules/bson/src/uuid_utils.ts b/node_modules/bson/src/uuid_utils.ts
new file mode 100644
index 000000000..f37b06592
--- /dev/null
+++ b/node_modules/bson/src/uuid_utils.ts
@@ -0,0 +1,33 @@
+import { Buffer } from 'buffer';
+import { BSONTypeError } from './error';
+
+// Validation regex for v4 uuid (validates with or without dashes)
+const VALIDATION_REGEX =
+  /^(?:[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|[0-9a-f]{12}4[0-9a-f]{3}[89ab][0-9a-f]{15})$/i;
+
+export const uuidValidateString = (str: string): boolean =>
+  typeof str === 'string' && VALIDATION_REGEX.test(str);
+
+export const uuidHexStringToBuffer = (hexString: string): Buffer => {
+  if (!uuidValidateString(hexString)) {
+    throw new BSONTypeError(
+      'UUID string representations must be a 32 or 36 character hex string (dashes excluded/included). Format: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" or "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx".'
+    );
+  }
+
+  const sanitizedHexString = hexString.replace(/-/g, '');
+  return Buffer.from(sanitizedHexString, 'hex');
+};
+
+export const bufferToUuidHexString = (buffer: Buffer, includeDashes = true): string =>
+  includeDashes
+    ? buffer.toString('hex', 0, 4) +
+      '-' +
+      buffer.toString('hex', 4, 6) +
+      '-' +
+      buffer.toString('hex', 6, 8) +
+      '-' +
+      buffer.toString('hex', 8, 10) +
+      '-' +
+      buffer.toString('hex', 10, 16)
+    : buffer.toString('hex');
diff --git a/node_modules/bson/src/validate_utf8.ts b/node_modules/bson/src/validate_utf8.ts
new file mode 100644
index 000000000..e1da934c6
--- /dev/null
+++ b/node_modules/bson/src/validate_utf8.ts
@@ -0,0 +1,47 @@
+const FIRST_BIT = 0x80;
+const FIRST_TWO_BITS = 0xc0;
+const FIRST_THREE_BITS = 0xe0;
+const FIRST_FOUR_BITS = 0xf0;
+const FIRST_FIVE_BITS = 0xf8;
+
+const TWO_BIT_CHAR = 0xc0;
+const THREE_BIT_CHAR = 0xe0;
+const FOUR_BIT_CHAR = 0xf0;
+const CONTINUING_CHAR = 0x80;
+
+/**
+ * Determines if the passed in bytes are valid utf8
+ * @param bytes - An array of 8-bit bytes. Must be indexable and have length property
+ * @param start - The index to start validating
+ * @param end - The index to end validating
+ */
+export function validateUtf8(
+  bytes: { [index: number]: number },
+  start: number,
+  end: number
+): boolean {
+  let continuation = 0;
+
+  for (let i = start; i < end; i += 1) {
+    const byte = bytes[i];
+
+    if (continuation) {
+      if ((byte & FIRST_TWO_BITS) !== CONTINUING_CHAR) {
+        return false;
+      }
+      continuation -= 1;
+    } else if (byte & FIRST_BIT) {
+      if ((byte & FIRST_THREE_BITS) === TWO_BIT_CHAR) {
+        continuation = 1;
+      } else if ((byte & FIRST_FOUR_BITS) === THREE_BIT_CHAR) {
+        continuation = 2;
+      } else if ((byte & FIRST_FIVE_BITS) === FOUR_BIT_CHAR) {
+        continuation = 3;
+      } else {
+        return false;
+      }
+    }
+  }
+
+  return !continuation;
+}
diff --git a/node_modules/buffer/AUTHORS.md b/node_modules/buffer/AUTHORS.md
new file mode 100644
index 000000000..22eb17129
--- /dev/null
+++ b/node_modules/buffer/AUTHORS.md
@@ -0,0 +1,70 @@
+# Authors
+
+#### Ordered by first contribution.
+
+- Romain Beauxis (toots@rastageeks.org)
+- Tobias Koppers (tobias.koppers@googlemail.com)
+- Janus (ysangkok@gmail.com)
+- Rainer Dreyer (rdrey1@gmail.com)
+- Tõnis Tiigi (tonistiigi@gmail.com)
+- James Halliday (mail@substack.net)
+- Michael Williamson (mike@zwobble.org)
+- elliottcable (github@elliottcable.name)
+- rafael (rvalle@livelens.net)
+- Andrew Kelley (superjoe30@gmail.com)
+- Andreas Madsen (amwebdk@gmail.com)
+- Mike Brevoort (mike.brevoort@pearson.com)
+- Brian White (mscdex@mscdex.net)
+- Feross Aboukhadijeh (feross@feross.org)
+- Ruben Verborgh (ruben@verborgh.org)
+- eliang (eliang.cs@gmail.com)
+- Jesse Tane (jesse.tane@gmail.com)
+- Alfonso Boza (alfonso@cloud.com)
+- Mathias Buus (mathiasbuus@gmail.com)
+- Devon Govett (devongovett@gmail.com)
+- Daniel Cousens (github@dcousens.com)
+- Joseph Dykstra (josephdykstra@gmail.com)
+- Parsha Pourkhomami (parshap+git@gmail.com)
+- Damjan Košir (damjan.kosir@gmail.com)
+- daverayment (dave.rayment@gmail.com)
+- kawanet (u-suke@kawa.net)
+- Linus Unnebäck (linus@folkdatorn.se)
+- Nolan Lawson (nolan.lawson@gmail.com)
+- Calvin Metcalf (calvin.metcalf@gmail.com)
+- Koki Takahashi (hakatasiloving@gmail.com)
+- Guy Bedford (guybedford@gmail.com)
+- Jan Schär (jscissr@gmail.com)
+- RaulTsc (tomescu.raul@gmail.com)
+- Matthieu Monsch (monsch@alum.mit.edu)
+- Dan Ehrenberg (littledan@chromium.org)
+- Kirill Fomichev (fanatid@ya.ru)
+- Yusuke Kawasaki (u-suke@kawa.net)
+- DC (dcposch@dcpos.ch)
+- John-David Dalton (john.david.dalton@gmail.com)
+- adventure-yunfei (adventure030@gmail.com)
+- Emil Bay (github@tixz.dk)
+- Sam Sudar (sudar.sam@gmail.com)
+- Volker Mische (volker.mische@gmail.com)
+- David Walton (support@geekstocks.com)
+- Сковорода Никита Андреевич (chalkerx@gmail.com)
+- greenkeeper[bot] (greenkeeper[bot]@users.noreply.github.com)
+- ukstv (sergey.ukustov@machinomy.com)
+- Renée Kooi (renee@kooi.me)
+- ranbochen (ranbochen@qq.com)
+- Vladimir Borovik (bobahbdb@gmail.com)
+- greenkeeper[bot] (23040076+greenkeeper[bot]@users.noreply.github.com)
+- kumavis (aaron@kumavis.me)
+- Sergey Ukustov (sergey.ukustov@machinomy.com)
+- Fei Liu (liu.feiwood@gmail.com)
+- Blaine Bublitz (blaine.bublitz@gmail.com)
+- clement (clement@seald.io)
+- Koushik Dutta (koushd@gmail.com)
+- Jordan Harband (ljharb@gmail.com)
+- Niklas Mischkulnig (mischnic@users.noreply.github.com)
+- Nikolai Vavilov (vvnicholas@gmail.com)
+- Fedor Nezhivoi (gyzerok@users.noreply.github.com)
+- Peter Newman (peternewman@users.noreply.github.com)
+- mathmakgakpak (44949126+mathmakgakpak@users.noreply.github.com)
+- jkkang (jkkang@smartauth.kr)
+
+#### Generated by bin/update-authors.sh.
diff --git a/node_modules/buffer/LICENSE b/node_modules/buffer/LICENSE
new file mode 100644
index 000000000..d6bf75dcf
--- /dev/null
+++ b/node_modules/buffer/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Feross Aboukhadijeh, and other contributors.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/buffer/README.md b/node_modules/buffer/README.md
new file mode 100644
index 000000000..9a23d7cfa
--- /dev/null
+++ b/node_modules/buffer/README.md
@@ -0,0 +1,410 @@
+# buffer [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+
+[travis-image]: https://img.shields.io/travis/feross/buffer/master.svg
+[travis-url]: https://travis-ci.org/feross/buffer
+[npm-image]: https://img.shields.io/npm/v/buffer.svg
+[npm-url]: https://npmjs.org/package/buffer
+[downloads-image]: https://img.shields.io/npm/dm/buffer.svg
+[downloads-url]: https://npmjs.org/package/buffer
+[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+[standard-url]: https://standardjs.com
+
+#### The buffer module from [node.js](https://nodejs.org/), for the browser.
+
+[![saucelabs][saucelabs-image]][saucelabs-url]
+
+[saucelabs-image]: https://saucelabs.com/browser-matrix/buffer.svg
+[saucelabs-url]: https://saucelabs.com/u/buffer
+
+With [browserify](http://browserify.org), simply `require('buffer')` or use the `Buffer` global and you will get this module.
+
+The goal is to provide an API that is 100% identical to
+[node's Buffer API](https://nodejs.org/api/buffer.html). Read the
+[official docs](https://nodejs.org/api/buffer.html) for the full list of properties,
+instance methods, and class methods that are supported.
+
+## features
+
+- Manipulate binary data like a boss, in all browsers!
+- Super fast. Backed by Typed Arrays (`Uint8Array`/`ArrayBuffer`, not `Object`)
+- Extremely small bundle size (**6.75KB minified + gzipped**, 51.9KB with comments)
+- Excellent browser support (Chrome, Firefox, Edge, Safari 9+, IE 11, iOS 9+, Android, etc.)
+- Preserves Node API exactly, with one minor difference (see below)
+- Square-bracket `buf[4]` notation works!
+- Does not modify any browser prototypes or put anything on `window`
+- Comprehensive test suite (including all buffer tests from node.js core)
+
+## install
+
+To use this module directly (without browserify), install it:
+
+```bash
+npm install buffer
+```
+
+This module was previously called **native-buffer-browserify**, but please use **buffer**
+from now on.
+
+If you do not use a bundler, you can use the [standalone script](https://bundle.run/buffer).
+
+## usage
+
+The module's API is identical to node's `Buffer` API. Read the
+[official docs](https://nodejs.org/api/buffer.html) for the full list of properties,
+instance methods, and class methods that are supported.
+
+As mentioned above, `require('buffer')` or use the `Buffer` global with
+[browserify](http://browserify.org) and this module will automatically be included
+in your bundle. Almost any npm module will work in the browser, even if it assumes that
+the node `Buffer` API will be available.
+
+To depend on this module explicitly (without browserify), require it like this:
+
+```js
+var Buffer = require('buffer/').Buffer  // note: the trailing slash is important!
+```
+
+To require this module explicitly, use `require('buffer/')` which tells the node.js module
+lookup algorithm (also used by browserify) to use the **npm module** named `buffer`
+instead of the **node.js core** module named `buffer`!
+
+
+## how does it work?
+
+The Buffer constructor returns instances of `Uint8Array` that have their prototype
+changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of `Uint8Array`,
+so the returned instances will have all the node `Buffer` methods and the
+`Uint8Array` methods. Square bracket notation works as expected -- it returns a
+single octet.
+
+The `Uint8Array` prototype remains unmodified.
+
+
+## tracking the latest node api
+
+This module tracks the Buffer API in the latest (unstable) version of node.js. The Buffer
+API is considered **stable** in the
+[node stability index](https://nodejs.org/docs/latest/api/documentation.html#documentation_stability_index),
+so it is unlikely that there will ever be breaking changes.
+Nonetheless, when/if the Buffer API changes in node, this module's API will change
+accordingly.
+
+## related packages
+
+- [`buffer-reverse`](https://www.npmjs.com/package/buffer-reverse) - Reverse a buffer
+- [`buffer-xor`](https://www.npmjs.com/package/buffer-xor) - Bitwise xor a buffer
+- [`is-buffer`](https://www.npmjs.com/package/is-buffer) - Determine if an object is a Buffer without including the whole `Buffer` package
+
+## conversion packages
+
+### convert typed array to buffer
+
+Use [`typedarray-to-buffer`](https://www.npmjs.com/package/typedarray-to-buffer) to convert any kind of typed array to a `Buffer`. Does not perform a copy, so it's super fast.
+
+### convert buffer to typed array
+
+`Buffer` is a subclass of `Uint8Array` (which is a typed array). So there is no need to explicitly convert to typed array. Just use the buffer as a `Uint8Array`.
+
+### convert blob to buffer
+
+Use [`blob-to-buffer`](https://www.npmjs.com/package/blob-to-buffer) to convert a `Blob` to a `Buffer`.
+
+### convert buffer to blob
+
+To convert a `Buffer` to a `Blob`, use the `Blob` constructor:
+
+```js
+var blob = new Blob([ buffer ])
+```
+
+Optionally, specify a mimetype:
+
+```js
+var blob = new Blob([ buffer ], { type: 'text/html' })
+```
+
+### convert arraybuffer to buffer
+
+To convert an `ArrayBuffer` to a `Buffer`, use the `Buffer.from` function. Does not perform a copy, so it's super fast.
+
+```js
+var buffer = Buffer.from(arrayBuffer)
+```
+
+### convert buffer to arraybuffer
+
+To convert a `Buffer` to an `ArrayBuffer`, use the `.buffer` property (which is present on all `Uint8Array` objects):
+
+```js
+var arrayBuffer = buffer.buffer.slice(
+  buffer.byteOffset, buffer.byteOffset + buffer.byteLength
+)
+```
+
+Alternatively, use the [`to-arraybuffer`](https://www.npmjs.com/package/to-arraybuffer) module.
+
+## performance
+
+See perf tests in `/perf`.
+
+`BrowserBuffer` is the browser `buffer` module (this repo). `Uint8Array` is included as a
+sanity check (since `BrowserBuffer` uses `Uint8Array` under the hood, `Uint8Array` will
+always be at least a bit faster). Finally, `NodeBuffer` is the node.js buffer module,
+which is included to compare against.
+
+NOTE: Performance has improved since these benchmarks were taken. PR welcome to update the README.
+
+### Chrome 38
+
+| Method | Operations | Accuracy | Sampled | Fastest |
+|:-------|:-----------|:---------|:--------|:-------:|
+| BrowserBuffer#bracket-notation | 11,457,464 ops/sec | ±0.86% | 66 | ✓ |
+| Uint8Array#bracket-notation | 10,824,332 ops/sec | ±0.74% | 65 | |
+| | | | |
+| BrowserBuffer#concat | 450,532 ops/sec | ±0.76% | 68 | |
+| Uint8Array#concat | 1,368,911 ops/sec | ±1.50% | 62 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16000) | 903,001 ops/sec | ±0.96% | 67 | |
+| Uint8Array#copy(16000) | 1,422,441 ops/sec | ±1.04% | 66 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16) | 11,431,358 ops/sec | ±0.46% | 69 | |
+| Uint8Array#copy(16) | 13,944,163 ops/sec | ±1.12% | 68 | ✓ |
+| | | | |
+| BrowserBuffer#new(16000) | 106,329 ops/sec | ±6.70% | 44 | |
+| Uint8Array#new(16000) | 131,001 ops/sec | ±2.85% | 31 | ✓ |
+| | | | |
+| BrowserBuffer#new(16) | 1,554,491 ops/sec | ±1.60% | 65 | |
+| Uint8Array#new(16) | 6,623,930 ops/sec | ±1.66% | 65 | ✓ |
+| | | | |
+| BrowserBuffer#readDoubleBE | 112,830 ops/sec | ±0.51% | 69 | ✓ |
+| DataView#getFloat64 | 93,500 ops/sec | ±0.57% | 68 | |
+| | | | |
+| BrowserBuffer#readFloatBE | 146,678 ops/sec | ±0.95% | 68 | ✓ |
+| DataView#getFloat32 | 99,311 ops/sec | ±0.41% | 67 | |
+| | | | |
+| BrowserBuffer#readUInt32LE | 843,214 ops/sec | ±0.70% | 69 | ✓ |
+| DataView#getUint32 | 103,024 ops/sec | ±0.64% | 67 | |
+| | | | |
+| BrowserBuffer#slice | 1,013,941 ops/sec | ±0.75% | 67 | |
+| Uint8Array#subarray | 1,903,928 ops/sec | ±0.53% | 67 | ✓ |
+| | | | |
+| BrowserBuffer#writeFloatBE | 61,387 ops/sec | ±0.90% | 67 | |
+| DataView#setFloat32 | 141,249 ops/sec | ±0.40% | 66 | ✓ |
+
+
+### Firefox 33
+
+| Method | Operations | Accuracy | Sampled | Fastest |
+|:-------|:-----------|:---------|:--------|:-------:|
+| BrowserBuffer#bracket-notation | 20,800,421 ops/sec | ±1.84% | 60 | |
+| Uint8Array#bracket-notation | 20,826,235 ops/sec | ±2.02% | 61 | ✓ |
+| | | | |
+| BrowserBuffer#concat | 153,076 ops/sec | ±2.32% | 61 | |
+| Uint8Array#concat | 1,255,674 ops/sec | ±8.65% | 52 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16000) | 1,105,312 ops/sec | ±1.16% | 63 | |
+| Uint8Array#copy(16000) | 1,615,911 ops/sec | ±0.55% | 66 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16) | 16,357,599 ops/sec | ±0.73% | 68 | |
+| Uint8Array#copy(16) | 31,436,281 ops/sec | ±1.05% | 68 | ✓ |
+| | | | |
+| BrowserBuffer#new(16000) | 52,995 ops/sec | ±6.01% | 35 | |
+| Uint8Array#new(16000) | 87,686 ops/sec | ±5.68% | 45 | ✓ |
+| | | | |
+| BrowserBuffer#new(16) | 252,031 ops/sec | ±1.61% | 66 | |
+| Uint8Array#new(16) | 8,477,026 ops/sec | ±0.49% | 68 | ✓ |
+| | | | |
+| BrowserBuffer#readDoubleBE | 99,871 ops/sec | ±0.41% | 69 | |
+| DataView#getFloat64 | 285,663 ops/sec | ±0.70% | 68 | ✓ |
+| | | | |
+| BrowserBuffer#readFloatBE | 115,540 ops/sec | ±0.42% | 69 | |
+| DataView#getFloat32 | 288,722 ops/sec | ±0.82% | 68 | ✓ |
+| | | | |
+| BrowserBuffer#readUInt32LE | 633,926 ops/sec | ±1.08% | 67 | ✓ |
+| DataView#getUint32 | 294,808 ops/sec | ±0.79% | 64 | |
+| | | | |
+| BrowserBuffer#slice | 349,425 ops/sec | ±0.46% | 69 | |
+| Uint8Array#subarray | 5,965,819 ops/sec | ±0.60% | 65 | ✓ |
+| | | | |
+| BrowserBuffer#writeFloatBE | 59,980 ops/sec | ±0.41% | 67 | |
+| DataView#setFloat32 | 317,634 ops/sec | ±0.63% | 68 | ✓ |
+
+### Safari 8
+
+| Method | Operations | Accuracy | Sampled | Fastest |
+|:-------|:-----------|:---------|:--------|:-------:|
+| BrowserBuffer#bracket-notation | 10,279,729 ops/sec | ±2.25% | 56 | ✓ |
+| Uint8Array#bracket-notation | 10,030,767 ops/sec | ±2.23% | 59 | |
+| | | | |
+| BrowserBuffer#concat | 144,138 ops/sec | ±1.38% | 65 | |
+| Uint8Array#concat | 4,950,764 ops/sec | ±1.70% | 63 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16000) | 1,058,548 ops/sec | ±1.51% | 64 | |
+| Uint8Array#copy(16000) | 1,409,666 ops/sec | ±1.17% | 65 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16) | 6,282,529 ops/sec | ±1.88% | 58 | |
+| Uint8Array#copy(16) | 11,907,128 ops/sec | ±2.87% | 58 | ✓ |
+| | | | |
+| BrowserBuffer#new(16000) | 101,663 ops/sec | ±3.89% | 57 | |
+| Uint8Array#new(16000) | 22,050,818 ops/sec | ±6.51% | 46 | ✓ |
+| | | | |
+| BrowserBuffer#new(16) | 176,072 ops/sec | ±2.13% | 64 | |
+| Uint8Array#new(16) | 24,385,731 ops/sec | ±5.01% | 51 | ✓ |
+| | | | |
+| BrowserBuffer#readDoubleBE | 41,341 ops/sec | ±1.06% | 67 | |
+| DataView#getFloat64 | 322,280 ops/sec | ±0.84% | 68 | ✓ |
+| | | | |
+| BrowserBuffer#readFloatBE | 46,141 ops/sec | ±1.06% | 65 | |
+| DataView#getFloat32 | 337,025 ops/sec | ±0.43% | 69 | ✓ |
+| | | | |
+| BrowserBuffer#readUInt32LE | 151,551 ops/sec | ±1.02% | 66 | |
+| DataView#getUint32 | 308,278 ops/sec | ±0.94% | 67 | ✓ |
+| | | | |
+| BrowserBuffer#slice | 197,365 ops/sec | ±0.95% | 66 | |
+| Uint8Array#subarray | 9,558,024 ops/sec | ±3.08% | 58 | ✓ |
+| | | | |
+| BrowserBuffer#writeFloatBE | 17,518 ops/sec | ±1.03% | 63 | |
+| DataView#setFloat32 | 319,751 ops/sec | ±0.48% | 68 | ✓ |
+
+
+### Node 0.11.14
+
+| Method | Operations | Accuracy | Sampled | Fastest |
+|:-------|:-----------|:---------|:--------|:-------:|
+| BrowserBuffer#bracket-notation | 10,489,828 ops/sec | ±3.25% | 90 | |
+| Uint8Array#bracket-notation | 10,534,884 ops/sec | ±0.81% | 92 | ✓ |
+| NodeBuffer#bracket-notation | 10,389,910 ops/sec | ±0.97% | 87 | |
+| | | | |
+| BrowserBuffer#concat | 487,830 ops/sec | ±2.58% | 88 | |
+| Uint8Array#concat | 1,814,327 ops/sec | ±1.28% | 88 | ✓ |
+| NodeBuffer#concat | 1,636,523 ops/sec | ±1.88% | 73 | |
+| | | | |
+| BrowserBuffer#copy(16000) | 1,073,665 ops/sec | ±0.77% | 90 | |
+| Uint8Array#copy(16000) | 1,348,517 ops/sec | ±0.84% | 89 | ✓ |
+| NodeBuffer#copy(16000) | 1,289,533 ops/sec | ±0.82% | 93 | |
+| | | | |
+| BrowserBuffer#copy(16) | 12,782,706 ops/sec | ±0.74% | 85 | |
+| Uint8Array#copy(16) | 14,180,427 ops/sec | ±0.93% | 92 | ✓ |
+| NodeBuffer#copy(16) | 11,083,134 ops/sec | ±1.06% | 89 | |
+| | | | |
+| BrowserBuffer#new(16000) | 141,678 ops/sec | ±3.30% | 67 | |
+| Uint8Array#new(16000) | 161,491 ops/sec | ±2.96% | 60 | |
+| NodeBuffer#new(16000) | 292,699 ops/sec | ±3.20% | 55 | ✓ |
+| | | | |
+| BrowserBuffer#new(16) | 1,655,466 ops/sec | ±2.41% | 82 | |
+| Uint8Array#new(16) | 14,399,926 ops/sec | ±0.91% | 94 | ✓ |
+| NodeBuffer#new(16) | 3,894,696 ops/sec | ±0.88% | 92 | |
+| | | | |
+| BrowserBuffer#readDoubleBE | 109,582 ops/sec | ±0.75% | 93 | ✓ |
+| DataView#getFloat64 | 91,235 ops/sec | ±0.81% | 90 | |
+| NodeBuffer#readDoubleBE | 88,593 ops/sec | ±0.96% | 81 | |
+| | | | |
+| BrowserBuffer#readFloatBE | 139,854 ops/sec | ±1.03% | 85 | ✓ |
+| DataView#getFloat32 | 98,744 ops/sec | ±0.80% | 89 | |
+| NodeBuffer#readFloatBE | 92,769 ops/sec | ±0.94% | 93 | |
+| | | | |
+| BrowserBuffer#readUInt32LE | 710,861 ops/sec | ±0.82% | 92 | |
+| DataView#getUint32 | 117,893 ops/sec | ±0.84% | 91 | |
+| NodeBuffer#readUInt32LE | 851,412 ops/sec | ±0.72% | 93 | ✓ |
+| | | | |
+| BrowserBuffer#slice | 1,673,877 ops/sec | ±0.73% | 94 | |
+| Uint8Array#subarray | 6,919,243 ops/sec | ±0.67% | 90 | ✓ |
+| NodeBuffer#slice | 4,617,604 ops/sec | ±0.79% | 93 | |
+| | | | |
+| BrowserBuffer#writeFloatBE | 66,011 ops/sec | ±0.75% | 93 | |
+| DataView#setFloat32 | 127,760 ops/sec | ±0.72% | 93 | ✓ |
+| NodeBuffer#writeFloatBE | 103,352 ops/sec | ±0.83% | 93 | |
+
+### iojs 1.8.1
+
+| Method | Operations | Accuracy | Sampled | Fastest |
+|:-------|:-----------|:---------|:--------|:-------:|
+| BrowserBuffer#bracket-notation | 10,990,488 ops/sec | ±1.11% | 91 | |
+| Uint8Array#bracket-notation | 11,268,757 ops/sec | ±0.65% | 97 | |
+| NodeBuffer#bracket-notation | 11,353,260 ops/sec | ±0.83% | 94 | ✓ |
+| | | | |
+| BrowserBuffer#concat | 378,954 ops/sec | ±0.74% | 94 | |
+| Uint8Array#concat | 1,358,288 ops/sec | ±0.97% | 87 | |
+| NodeBuffer#concat | 1,934,050 ops/sec | ±1.11% | 78 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16000) | 894,538 ops/sec | ±0.56% | 84 | |
+| Uint8Array#copy(16000) | 1,442,656 ops/sec | ±0.71% | 96 | |
+| NodeBuffer#copy(16000) | 1,457,898 ops/sec | ±0.53% | 92 | ✓ |
+| | | | |
+| BrowserBuffer#copy(16) | 12,870,457 ops/sec | ±0.67% | 95 | |
+| Uint8Array#copy(16) | 16,643,989 ops/sec | ±0.61% | 93 | ✓ |
+| NodeBuffer#copy(16) | 14,885,848 ops/sec | ±0.74% | 94 | |
+| | | | |
+| BrowserBuffer#new(16000) | 109,264 ops/sec | ±4.21% | 63 | |
+| Uint8Array#new(16000) | 138,916 ops/sec | ±1.87% | 61 | |
+| NodeBuffer#new(16000) | 281,449 ops/sec | ±3.58% | 51 | ✓ |
+| | | | |
+| BrowserBuffer#new(16) | 1,362,935 ops/sec | ±0.56% | 99 | |
+| Uint8Array#new(16) | 6,193,090 ops/sec | ±0.64% | 95 | ✓ |
+| NodeBuffer#new(16) | 4,745,425 ops/sec | ±1.56% | 90 | |
+| | | | |
+| BrowserBuffer#readDoubleBE | 118,127 ops/sec | ±0.59% | 93 | ✓ |
+| DataView#getFloat64 | 107,332 ops/sec | ±0.65% | 91 | |
+| NodeBuffer#readDoubleBE | 116,274 ops/sec | ±0.94% | 95 | |
+| | | | |
+| BrowserBuffer#readFloatBE | 150,326 ops/sec | ±0.58% | 95 | ✓ |
+| DataView#getFloat32 | 110,541 ops/sec | ±0.57% | 98 | |
+| NodeBuffer#readFloatBE | 121,599 ops/sec | ±0.60% | 87 | |
+| | | | |
+| BrowserBuffer#readUInt32LE | 814,147 ops/sec | ±0.62% | 93 | |
+| DataView#getUint32 | 137,592 ops/sec | ±0.64% | 90 | |
+| NodeBuffer#readUInt32LE | 931,650 ops/sec | ±0.71% | 96 | ✓ |
+| | | | |
+| BrowserBuffer#slice | 878,590 ops/sec | ±0.68% | 93 | |
+| Uint8Array#subarray | 2,843,308 ops/sec | ±1.02% | 90 | |
+| NodeBuffer#slice | 4,998,316 ops/sec | ±0.68% | 90 | ✓ |
+| | | | |
+| BrowserBuffer#writeFloatBE | 65,927 ops/sec | ±0.74% | 93 | |
+| DataView#setFloat32 | 139,823 ops/sec | ±0.97% | 89 | ✓ |
+| NodeBuffer#writeFloatBE | 135,763 ops/sec | ±0.65% | 96 | |
+| | | | |
+
+## Testing the project
+
+First, install the project:
+
+    npm install
+
+Then, to run tests in Node.js, run:
+
+    npm run test-node
+
+To test locally in a browser, you can run:
+
+    npm run test-browser-es5-local # For ES5 browsers that don't support ES6
+    npm run test-browser-es6-local # For ES6 compliant browsers
+
+This will print out a URL that you can then open in a browser to run the tests, using [airtap](https://www.npmjs.com/package/airtap).
+
+To run automated browser tests using Saucelabs, ensure that your `SAUCE_USERNAME` and `SAUCE_ACCESS_KEY` environment variables are set, then run:
+
+    npm test
+
+This is what's run in Travis, to check against various browsers. The list of browsers is kept in the `bin/airtap-es5.yml` and `bin/airtap-es6.yml` files.
+
+## JavaScript Standard Style
+
+This module uses [JavaScript Standard Style](https://github.com/feross/standard).
+
+[![JavaScript Style Guide](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard)
+
+To test that the code conforms to the style, `npm install` and run:
+
+    ./node_modules/.bin/standard
+
+## credit
+
+This was originally forked from [buffer-browserify](https://github.com/toots/buffer-browserify).
+
+## Security Policies and Procedures
+
+The `buffer` team and community take all security bugs in `buffer` seriously. Please see our [security policies and procedures](https://github.com/feross/security) document to learn how to report issues.
+
+## license
+
+MIT. Copyright (C) [Feross Aboukhadijeh](http://feross.org), and other contributors. Originally forked from an MIT-licensed module by Romain Beauxis.
diff --git a/node_modules/buffer/index.d.ts b/node_modules/buffer/index.d.ts
new file mode 100644
index 000000000..5d1a804e5
--- /dev/null
+++ b/node_modules/buffer/index.d.ts
@@ -0,0 +1,186 @@
+export class Buffer extends Uint8Array {
+    length: number
+    write(string: string, offset?: number, length?: number, encoding?: string): number;
+    toString(encoding?: string, start?: number, end?: number): string;
+    toJSON(): { type: 'Buffer', data: any[] };
+    equals(otherBuffer: Buffer): boolean;
+    compare(otherBuffer: Buffer, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): number;
+    copy(targetBuffer: Buffer, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
+    slice(start?: number, end?: number): Buffer;
+    writeUIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeUIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUInt8(offset: number, noAssert?: boolean): number;
+    readUInt16LE(offset: number, noAssert?: boolean): number;
+    readUInt16BE(offset: number, noAssert?: boolean): number;
+    readUInt32LE(offset: number, noAssert?: boolean): number;
+    readUInt32BE(offset: number, noAssert?: boolean): number;
+    readInt8(offset: number, noAssert?: boolean): number;
+    readInt16LE(offset: number, noAssert?: boolean): number;
+    readInt16BE(offset: number, noAssert?: boolean): number;
+    readInt32LE(offset: number, noAssert?: boolean): number;
+    readInt32BE(offset: number, noAssert?: boolean): number;
+    readFloatLE(offset: number, noAssert?: boolean): number;
+    readFloatBE(offset: number, noAssert?: boolean): number;
+    readDoubleLE(offset: number, noAssert?: boolean): number;
+    readDoubleBE(offset: number, noAssert?: boolean): number;
+    reverse(): this;
+    swap16(): Buffer;
+    swap32(): Buffer;
+    swap64(): Buffer;
+    writeUInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatLE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatBE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleLE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleBE(value: number, offset: number, noAssert?: boolean): number;
+    fill(value: any, offset?: number, end?: number): this;
+    indexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    lastIndexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    includes(value: string | number | Buffer, byteOffset?: number, encoding?: string): boolean;
+
+    /**
+     * Allocates a new buffer containing the given {str}.
+     *
+     * @param str String to store in buffer.
+     * @param encoding encoding to use, optional.  Default is 'utf8'
+     */
+    constructor (str: string, encoding?: string);
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     */
+    constructor (size: number);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: Uint8Array);
+    /**
+     * Produces a Buffer backed by the same allocated memory as
+     * the given {ArrayBuffer}.
+     *
+     *
+     * @param arrayBuffer The ArrayBuffer with which to share memory.
+     */
+    constructor (arrayBuffer: ArrayBuffer);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: any[]);
+    /**
+     * Copies the passed {buffer} data onto a new {Buffer} instance.
+     *
+     * @param buffer The buffer to copy.
+     */
+    constructor (buffer: Buffer);
+    prototype: Buffer;
+    /**
+     * Allocates a new Buffer using an {array} of octets.
+     *
+     * @param array
+     */
+    static from(array: any[]): Buffer;
+    /**
+     * When passed a reference to the .buffer property of a TypedArray instance,
+     * the newly created Buffer will share the same allocated memory as the TypedArray.
+     * The optional {byteOffset} and {length} arguments specify a memory range
+     * within the {arrayBuffer} that will be shared by the Buffer.
+     *
+     * @param arrayBuffer The .buffer property of a TypedArray or a new ArrayBuffer()
+     * @param byteOffset
+     * @param length
+     */
+    static from(arrayBuffer: ArrayBuffer, byteOffset?: number, length?: number): Buffer;
+    /**
+     * Copies the passed {buffer} data onto a new Buffer instance.
+     *
+     * @param buffer
+     */
+    static from(buffer: Buffer | Uint8Array): Buffer;
+    /**
+     * Creates a new Buffer containing the given JavaScript string {str}.
+     * If provided, the {encoding} parameter identifies the character encoding.
+     * If not provided, {encoding} defaults to 'utf8'.
+     *
+     * @param str
+     */
+    static from(str: string, encoding?: string): Buffer;
+    /**
+     * Returns true if {obj} is a Buffer
+     *
+     * @param obj object to test.
+     */
+    static isBuffer(obj: any): obj is Buffer;
+    /**
+     * Returns true if {encoding} is a valid encoding argument.
+     * Valid string encodings in Node 0.12: 'ascii'|'utf8'|'utf16le'|'ucs2'(alias of 'utf16le')|'base64'|'binary'(deprecated)|'hex'
+     *
+     * @param encoding string to test.
+     */
+    static isEncoding(encoding: string): boolean;
+    /**
+     * Gives the actual byte length of a string. encoding defaults to 'utf8'.
+     * This is not the same as String.prototype.length since that returns the number of characters in a string.
+     *
+     * @param string string to test.
+     * @param encoding encoding used to evaluate (defaults to 'utf8')
+     */
+    static byteLength(string: string, encoding?: string): number;
+    /**
+     * Returns a buffer which is the result of concatenating all the buffers in the list together.
+     *
+     * If the list has no items, or if the totalLength is 0, then it returns a zero-length buffer.
+     * If the list has exactly one item, then the first item of the list is returned.
+     * If the list has more than one item, then a new Buffer is created.
+     *
+     * @param list An array of Buffer objects to concatenate
+     * @param totalLength Total length of the buffers when concatenated.
+     *   If totalLength is not provided, it is read from the buffers in the list. However, this adds an additional loop to the function, so it is faster to provide the length explicitly.
+     */
+    static concat(list: Buffer[], totalLength?: number): Buffer;
+    /**
+     * The same as buf1.compare(buf2).
+     */
+    static compare(buf1: Buffer, buf2: Buffer): number;
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     * @param fill if specified, buffer will be initialized by calling buf.fill(fill).
+     *    If parameter is omitted, buffer will be filled with zeros.
+     * @param encoding encoding used for call to buf.fill while initializing
+     */
+    static alloc(size: number, fill?: string | Buffer | number, encoding?: string): Buffer;
+    /**
+     * Allocates a new buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafe(size: number): Buffer;
+    /**
+     * Allocates a new non-pooled buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafeSlow(size: number): Buffer;
+}
diff --git a/node_modules/buffer/index.js b/node_modules/buffer/index.js
new file mode 100644
index 000000000..609cf3113
--- /dev/null
+++ b/node_modules/buffer/index.js
@@ -0,0 +1,1817 @@
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author   Feross Aboukhadijeh <https://feross.org>
+ * @license  MIT
+ */
+/* eslint-disable no-proto */
+
+'use strict'
+
+var base64 = require('base64-js')
+var ieee754 = require('ieee754')
+var customInspectSymbol =
+  (typeof Symbol === 'function' && typeof Symbol['for'] === 'function') // eslint-disable-line dot-notation
+    ? Symbol['for']('nodejs.util.inspect.custom') // eslint-disable-line dot-notation
+    : null
+
+exports.Buffer = Buffer
+exports.SlowBuffer = SlowBuffer
+exports.INSPECT_MAX_BYTES = 50
+
+var K_MAX_LENGTH = 0x7fffffff
+exports.kMaxLength = K_MAX_LENGTH
+
+/**
+ * If `Buffer.TYPED_ARRAY_SUPPORT`:
+ *   === true    Use Uint8Array implementation (fastest)
+ *   === false   Print warning and recommend using `buffer` v4.x which has an Object
+ *               implementation (most compatible, even IE6)
+ *
+ * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+ * Opera 11.6+, iOS 4.2+.
+ *
+ * We report that the browser does not support typed arrays if the are not subclassable
+ * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
+ * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
+ * for __proto__ and has a buggy typed array implementation.
+ */
+Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport()
+
+if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&
+    typeof console.error === 'function') {
+  console.error(
+    'This browser lacks typed array (Uint8Array) support which is required by ' +
+    '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'
+  )
+}
+
+function typedArraySupport () {
+  // Can typed array instances can be augmented?
+  try {
+    var arr = new Uint8Array(1)
+    var proto = { foo: function () { return 42 } }
+    Object.setPrototypeOf(proto, Uint8Array.prototype)
+    Object.setPrototypeOf(arr, proto)
+    return arr.foo() === 42
+  } catch (e) {
+    return false
+  }
+}
+
+Object.defineProperty(Buffer.prototype, 'parent', {
+  enumerable: true,
+  get: function () {
+    if (!Buffer.isBuffer(this)) return undefined
+    return this.buffer
+  }
+})
+
+Object.defineProperty(Buffer.prototype, 'offset', {
+  enumerable: true,
+  get: function () {
+    if (!Buffer.isBuffer(this)) return undefined
+    return this.byteOffset
+  }
+})
+
+function createBuffer (length) {
+  if (length > K_MAX_LENGTH) {
+    throw new RangeError('The value "' + length + '" is invalid for option "size"')
+  }
+  // Return an augmented `Uint8Array` instance
+  var buf = new Uint8Array(length)
+  Object.setPrototypeOf(buf, Buffer.prototype)
+  return buf
+}
+
+/**
+ * The Buffer constructor returns instances of `Uint8Array` that have their
+ * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+ * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+ * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+ * returns a single octet.
+ *
+ * The `Uint8Array` prototype remains unmodified.
+ */
+
+function Buffer (arg, encodingOrOffset, length) {
+  // Common case.
+  if (typeof arg === 'number') {
+    if (typeof encodingOrOffset === 'string') {
+      throw new TypeError(
+        'The "string" argument must be of type string. Received type number'
+      )
+    }
+    return allocUnsafe(arg)
+  }
+  return from(arg, encodingOrOffset, length)
+}
+
+Buffer.poolSize = 8192 // not used by this implementation
+
+function from (value, encodingOrOffset, length) {
+  if (typeof value === 'string') {
+    return fromString(value, encodingOrOffset)
+  }
+
+  if (ArrayBuffer.isView(value)) {
+    return fromArrayView(value)
+  }
+
+  if (value == null) {
+    throw new TypeError(
+      'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
+      'or Array-like Object. Received type ' + (typeof value)
+    )
+  }
+
+  if (isInstance(value, ArrayBuffer) ||
+      (value && isInstance(value.buffer, ArrayBuffer))) {
+    return fromArrayBuffer(value, encodingOrOffset, length)
+  }
+
+  if (typeof SharedArrayBuffer !== 'undefined' &&
+      (isInstance(value, SharedArrayBuffer) ||
+      (value && isInstance(value.buffer, SharedArrayBuffer)))) {
+    return fromArrayBuffer(value, encodingOrOffset, length)
+  }
+
+  if (typeof value === 'number') {
+    throw new TypeError(
+      'The "value" argument must not be of type number. Received type number'
+    )
+  }
+
+  var valueOf = value.valueOf && value.valueOf()
+  if (valueOf != null && valueOf !== value) {
+    return Buffer.from(valueOf, encodingOrOffset, length)
+  }
+
+  var b = fromObject(value)
+  if (b) return b
+
+  if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null &&
+      typeof value[Symbol.toPrimitive] === 'function') {
+    return Buffer.from(
+      value[Symbol.toPrimitive]('string'), encodingOrOffset, length
+    )
+  }
+
+  throw new TypeError(
+    'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
+    'or Array-like Object. Received type ' + (typeof value)
+  )
+}
+
+/**
+ * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+ * if value is a number.
+ * Buffer.from(str[, encoding])
+ * Buffer.from(array)
+ * Buffer.from(buffer)
+ * Buffer.from(arrayBuffer[, byteOffset[, length]])
+ **/
+Buffer.from = function (value, encodingOrOffset, length) {
+  return from(value, encodingOrOffset, length)
+}
+
+// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
+// https://github.com/feross/buffer/pull/148
+Object.setPrototypeOf(Buffer.prototype, Uint8Array.prototype)
+Object.setPrototypeOf(Buffer, Uint8Array)
+
+function assertSize (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('"size" argument must be of type number')
+  } else if (size < 0) {
+    throw new RangeError('The value "' + size + '" is invalid for option "size"')
+  }
+}
+
+function alloc (size, fill, encoding) {
+  assertSize(size)
+  if (size <= 0) {
+    return createBuffer(size)
+  }
+  if (fill !== undefined) {
+    // Only pay attention to encoding if it's a string. This
+    // prevents accidentally sending in a number that would
+    // be interpreted as a start offset.
+    return typeof encoding === 'string'
+      ? createBuffer(size).fill(fill, encoding)
+      : createBuffer(size).fill(fill)
+  }
+  return createBuffer(size)
+}
+
+/**
+ * Creates a new filled Buffer instance.
+ * alloc(size[, fill[, encoding]])
+ **/
+Buffer.alloc = function (size, fill, encoding) {
+  return alloc(size, fill, encoding)
+}
+
+function allocUnsafe (size) {
+  assertSize(size)
+  return createBuffer(size < 0 ? 0 : checked(size) | 0)
+}
+
+/**
+ * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+ * */
+Buffer.allocUnsafe = function (size) {
+  return allocUnsafe(size)
+}
+/**
+ * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+ */
+Buffer.allocUnsafeSlow = function (size) {
+  return allocUnsafe(size)
+}
+
+function fromString (string, encoding) {
+  if (typeof encoding !== 'string' || encoding === '') {
+    encoding = 'utf8'
+  }
+
+  if (!Buffer.isEncoding(encoding)) {
+    throw new TypeError('Unknown encoding: ' + encoding)
+  }
+
+  var length = byteLength(string, encoding) | 0
+  var buf = createBuffer(length)
+
+  var actual = buf.write(string, encoding)
+
+  if (actual !== length) {
+    // Writing a hex string, for example, that contains invalid characters will
+    // cause everything after the first invalid character to be ignored. (e.g.
+    // 'abxxcd' will be treated as 'ab')
+    buf = buf.slice(0, actual)
+  }
+
+  return buf
+}
+
+function fromArrayLike (array) {
+  var length = array.length < 0 ? 0 : checked(array.length) | 0
+  var buf = createBuffer(length)
+  for (var i = 0; i < length; i += 1) {
+    buf[i] = array[i] & 255
+  }
+  return buf
+}
+
+function fromArrayView (arrayView) {
+  if (isInstance(arrayView, Uint8Array)) {
+    var copy = new Uint8Array(arrayView)
+    return fromArrayBuffer(copy.buffer, copy.byteOffset, copy.byteLength)
+  }
+  return fromArrayLike(arrayView)
+}
+
+function fromArrayBuffer (array, byteOffset, length) {
+  if (byteOffset < 0 || array.byteLength < byteOffset) {
+    throw new RangeError('"offset" is outside of buffer bounds')
+  }
+
+  if (array.byteLength < byteOffset + (length || 0)) {
+    throw new RangeError('"length" is outside of buffer bounds')
+  }
+
+  var buf
+  if (byteOffset === undefined && length === undefined) {
+    buf = new Uint8Array(array)
+  } else if (length === undefined) {
+    buf = new Uint8Array(array, byteOffset)
+  } else {
+    buf = new Uint8Array(array, byteOffset, length)
+  }
+
+  // Return an augmented `Uint8Array` instance
+  Object.setPrototypeOf(buf, Buffer.prototype)
+
+  return buf
+}
+
+function fromObject (obj) {
+  if (Buffer.isBuffer(obj)) {
+    var len = checked(obj.length) | 0
+    var buf = createBuffer(len)
+
+    if (buf.length === 0) {
+      return buf
+    }
+
+    obj.copy(buf, 0, 0, len)
+    return buf
+  }
+
+  if (obj.length !== undefined) {
+    if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
+      return createBuffer(0)
+    }
+    return fromArrayLike(obj)
+  }
+
+  if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
+    return fromArrayLike(obj.data)
+  }
+}
+
+function checked (length) {
+  // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
+  // length is NaN (which is otherwise coerced to zero.)
+  if (length >= K_MAX_LENGTH) {
+    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
+                         'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')
+  }
+  return length | 0
+}
+
+function SlowBuffer (length) {
+  if (+length != length) { // eslint-disable-line eqeqeq
+    length = 0
+  }
+  return Buffer.alloc(+length)
+}
+
+Buffer.isBuffer = function isBuffer (b) {
+  return b != null && b._isBuffer === true &&
+    b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false
+}
+
+Buffer.compare = function compare (a, b) {
+  if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength)
+  if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength)
+  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
+    throw new TypeError(
+      'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array'
+    )
+  }
+
+  if (a === b) return 0
+
+  var x = a.length
+  var y = b.length
+
+  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+    if (a[i] !== b[i]) {
+      x = a[i]
+      y = b[i]
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+}
+
+Buffer.isEncoding = function isEncoding (encoding) {
+  switch (String(encoding).toLowerCase()) {
+    case 'hex':
+    case 'utf8':
+    case 'utf-8':
+    case 'ascii':
+    case 'latin1':
+    case 'binary':
+    case 'base64':
+    case 'ucs2':
+    case 'ucs-2':
+    case 'utf16le':
+    case 'utf-16le':
+      return true
+    default:
+      return false
+  }
+}
+
+Buffer.concat = function concat (list, length) {
+  if (!Array.isArray(list)) {
+    throw new TypeError('"list" argument must be an Array of Buffers')
+  }
+
+  if (list.length === 0) {
+    return Buffer.alloc(0)
+  }
+
+  var i
+  if (length === undefined) {
+    length = 0
+    for (i = 0; i < list.length; ++i) {
+      length += list[i].length
+    }
+  }
+
+  var buffer = Buffer.allocUnsafe(length)
+  var pos = 0
+  for (i = 0; i < list.length; ++i) {
+    var buf = list[i]
+    if (isInstance(buf, Uint8Array)) {
+      if (pos + buf.length > buffer.length) {
+        Buffer.from(buf).copy(buffer, pos)
+      } else {
+        Uint8Array.prototype.set.call(
+          buffer,
+          buf,
+          pos
+        )
+      }
+    } else if (!Buffer.isBuffer(buf)) {
+      throw new TypeError('"list" argument must be an Array of Buffers')
+    } else {
+      buf.copy(buffer, pos)
+    }
+    pos += buf.length
+  }
+  return buffer
+}
+
+function byteLength (string, encoding) {
+  if (Buffer.isBuffer(string)) {
+    return string.length
+  }
+  if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {
+    return string.byteLength
+  }
+  if (typeof string !== 'string') {
+    throw new TypeError(
+      'The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' +
+      'Received type ' + typeof string
+    )
+  }
+
+  var len = string.length
+  var mustMatch = (arguments.length > 2 && arguments[2] === true)
+  if (!mustMatch && len === 0) return 0
+
+  // Use a for loop to avoid recursion
+  var loweredCase = false
+  for (;;) {
+    switch (encoding) {
+      case 'ascii':
+      case 'latin1':
+      case 'binary':
+        return len
+      case 'utf8':
+      case 'utf-8':
+        return utf8ToBytes(string).length
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return len * 2
+      case 'hex':
+        return len >>> 1
+      case 'base64':
+        return base64ToBytes(string).length
+      default:
+        if (loweredCase) {
+          return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8
+        }
+        encoding = ('' + encoding).toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+Buffer.byteLength = byteLength
+
+function slowToString (encoding, start, end) {
+  var loweredCase = false
+
+  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+  // property of a typed array.
+
+  // This behaves neither like String nor Uint8Array in that we set start/end
+  // to their upper/lower bounds if the value passed is out of range.
+  // undefined is handled specially as per ECMA-262 6th Edition,
+  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+  if (start === undefined || start < 0) {
+    start = 0
+  }
+  // Return early if start > this.length. Done here to prevent potential uint32
+  // coercion fail below.
+  if (start > this.length) {
+    return ''
+  }
+
+  if (end === undefined || end > this.length) {
+    end = this.length
+  }
+
+  if (end <= 0) {
+    return ''
+  }
+
+  // Force coercion to uint32. This will also coerce falsey/NaN values to 0.
+  end >>>= 0
+  start >>>= 0
+
+  if (end <= start) {
+    return ''
+  }
+
+  if (!encoding) encoding = 'utf8'
+
+  while (true) {
+    switch (encoding) {
+      case 'hex':
+        return hexSlice(this, start, end)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Slice(this, start, end)
+
+      case 'ascii':
+        return asciiSlice(this, start, end)
+
+      case 'latin1':
+      case 'binary':
+        return latin1Slice(this, start, end)
+
+      case 'base64':
+        return base64Slice(this, start, end)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return utf16leSlice(this, start, end)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = (encoding + '').toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+
+// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
+// to detect a Buffer instance. It's not possible to use `instanceof Buffer`
+// reliably in a browserify context because there could be multiple different
+// copies of the 'buffer' package in use. This method works even for Buffer
+// instances that were created from another copy of the `buffer` package.
+// See: https://github.com/feross/buffer/issues/154
+Buffer.prototype._isBuffer = true
+
+function swap (b, n, m) {
+  var i = b[n]
+  b[n] = b[m]
+  b[m] = i
+}
+
+Buffer.prototype.swap16 = function swap16 () {
+  var len = this.length
+  if (len % 2 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 16-bits')
+  }
+  for (var i = 0; i < len; i += 2) {
+    swap(this, i, i + 1)
+  }
+  return this
+}
+
+Buffer.prototype.swap32 = function swap32 () {
+  var len = this.length
+  if (len % 4 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 32-bits')
+  }
+  for (var i = 0; i < len; i += 4) {
+    swap(this, i, i + 3)
+    swap(this, i + 1, i + 2)
+  }
+  return this
+}
+
+Buffer.prototype.swap64 = function swap64 () {
+  var len = this.length
+  if (len % 8 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 64-bits')
+  }
+  for (var i = 0; i < len; i += 8) {
+    swap(this, i, i + 7)
+    swap(this, i + 1, i + 6)
+    swap(this, i + 2, i + 5)
+    swap(this, i + 3, i + 4)
+  }
+  return this
+}
+
+Buffer.prototype.toString = function toString () {
+  var length = this.length
+  if (length === 0) return ''
+  if (arguments.length === 0) return utf8Slice(this, 0, length)
+  return slowToString.apply(this, arguments)
+}
+
+Buffer.prototype.toLocaleString = Buffer.prototype.toString
+
+Buffer.prototype.equals = function equals (b) {
+  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
+  if (this === b) return true
+  return Buffer.compare(this, b) === 0
+}
+
+Buffer.prototype.inspect = function inspect () {
+  var str = ''
+  var max = exports.INSPECT_MAX_BYTES
+  str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim()
+  if (this.length > max) str += ' ... '
+  return '<Buffer ' + str + '>'
+}
+if (customInspectSymbol) {
+  Buffer.prototype[customInspectSymbol] = Buffer.prototype.inspect
+}
+
+Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
+  if (isInstance(target, Uint8Array)) {
+    target = Buffer.from(target, target.offset, target.byteLength)
+  }
+  if (!Buffer.isBuffer(target)) {
+    throw new TypeError(
+      'The "target" argument must be one of type Buffer or Uint8Array. ' +
+      'Received type ' + (typeof target)
+    )
+  }
+
+  if (start === undefined) {
+    start = 0
+  }
+  if (end === undefined) {
+    end = target ? target.length : 0
+  }
+  if (thisStart === undefined) {
+    thisStart = 0
+  }
+  if (thisEnd === undefined) {
+    thisEnd = this.length
+  }
+
+  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+    throw new RangeError('out of range index')
+  }
+
+  if (thisStart >= thisEnd && start >= end) {
+    return 0
+  }
+  if (thisStart >= thisEnd) {
+    return -1
+  }
+  if (start >= end) {
+    return 1
+  }
+
+  start >>>= 0
+  end >>>= 0
+  thisStart >>>= 0
+  thisEnd >>>= 0
+
+  if (this === target) return 0
+
+  var x = thisEnd - thisStart
+  var y = end - start
+  var len = Math.min(x, y)
+
+  var thisCopy = this.slice(thisStart, thisEnd)
+  var targetCopy = target.slice(start, end)
+
+  for (var i = 0; i < len; ++i) {
+    if (thisCopy[i] !== targetCopy[i]) {
+      x = thisCopy[i]
+      y = targetCopy[i]
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+}
+
+// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+//
+// Arguments:
+// - buffer - a Buffer to search
+// - val - a string, Buffer, or number
+// - byteOffset - an index into `buffer`; will be clamped to an int32
+// - encoding - an optional encoding, relevant is val is a string
+// - dir - true for indexOf, false for lastIndexOf
+function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
+  // Empty buffer means no match
+  if (buffer.length === 0) return -1
+
+  // Normalize byteOffset
+  if (typeof byteOffset === 'string') {
+    encoding = byteOffset
+    byteOffset = 0
+  } else if (byteOffset > 0x7fffffff) {
+    byteOffset = 0x7fffffff
+  } else if (byteOffset < -0x80000000) {
+    byteOffset = -0x80000000
+  }
+  byteOffset = +byteOffset // Coerce to Number.
+  if (numberIsNaN(byteOffset)) {
+    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+    byteOffset = dir ? 0 : (buffer.length - 1)
+  }
+
+  // Normalize byteOffset: negative offsets start from the end of the buffer
+  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
+  if (byteOffset >= buffer.length) {
+    if (dir) return -1
+    else byteOffset = buffer.length - 1
+  } else if (byteOffset < 0) {
+    if (dir) byteOffset = 0
+    else return -1
+  }
+
+  // Normalize val
+  if (typeof val === 'string') {
+    val = Buffer.from(val, encoding)
+  }
+
+  // Finally, search either indexOf (if dir is true) or lastIndexOf
+  if (Buffer.isBuffer(val)) {
+    // Special case: looking for empty string/buffer always fails
+    if (val.length === 0) {
+      return -1
+    }
+    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
+  } else if (typeof val === 'number') {
+    val = val & 0xFF // Search for a byte value [0-255]
+    if (typeof Uint8Array.prototype.indexOf === 'function') {
+      if (dir) {
+        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
+      } else {
+        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
+      }
+    }
+    return arrayIndexOf(buffer, [val], byteOffset, encoding, dir)
+  }
+
+  throw new TypeError('val must be string, number or Buffer')
+}
+
+function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
+  var indexSize = 1
+  var arrLength = arr.length
+  var valLength = val.length
+
+  if (encoding !== undefined) {
+    encoding = String(encoding).toLowerCase()
+    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
+        encoding === 'utf16le' || encoding === 'utf-16le') {
+      if (arr.length < 2 || val.length < 2) {
+        return -1
+      }
+      indexSize = 2
+      arrLength /= 2
+      valLength /= 2
+      byteOffset /= 2
+    }
+  }
+
+  function read (buf, i) {
+    if (indexSize === 1) {
+      return buf[i]
+    } else {
+      return buf.readUInt16BE(i * indexSize)
+    }
+  }
+
+  var i
+  if (dir) {
+    var foundIndex = -1
+    for (i = byteOffset; i < arrLength; i++) {
+      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+        if (foundIndex === -1) foundIndex = i
+        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
+      } else {
+        if (foundIndex !== -1) i -= i - foundIndex
+        foundIndex = -1
+      }
+    }
+  } else {
+    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
+    for (i = byteOffset; i >= 0; i--) {
+      var found = true
+      for (var j = 0; j < valLength; j++) {
+        if (read(arr, i + j) !== read(val, j)) {
+          found = false
+          break
+        }
+      }
+      if (found) return i
+    }
+  }
+
+  return -1
+}
+
+Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
+  return this.indexOf(val, byteOffset, encoding) !== -1
+}
+
+Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
+}
+
+Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
+}
+
+function hexWrite (buf, string, offset, length) {
+  offset = Number(offset) || 0
+  var remaining = buf.length - offset
+  if (!length) {
+    length = remaining
+  } else {
+    length = Number(length)
+    if (length > remaining) {
+      length = remaining
+    }
+  }
+
+  var strLen = string.length
+
+  if (length > strLen / 2) {
+    length = strLen / 2
+  }
+  for (var i = 0; i < length; ++i) {
+    var parsed = parseInt(string.substr(i * 2, 2), 16)
+    if (numberIsNaN(parsed)) return i
+    buf[offset + i] = parsed
+  }
+  return i
+}
+
+function utf8Write (buf, string, offset, length) {
+  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+function asciiWrite (buf, string, offset, length) {
+  return blitBuffer(asciiToBytes(string), buf, offset, length)
+}
+
+function base64Write (buf, string, offset, length) {
+  return blitBuffer(base64ToBytes(string), buf, offset, length)
+}
+
+function ucs2Write (buf, string, offset, length) {
+  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+Buffer.prototype.write = function write (string, offset, length, encoding) {
+  // Buffer#write(string)
+  if (offset === undefined) {
+    encoding = 'utf8'
+    length = this.length
+    offset = 0
+  // Buffer#write(string, encoding)
+  } else if (length === undefined && typeof offset === 'string') {
+    encoding = offset
+    length = this.length
+    offset = 0
+  // Buffer#write(string, offset[, length][, encoding])
+  } else if (isFinite(offset)) {
+    offset = offset >>> 0
+    if (isFinite(length)) {
+      length = length >>> 0
+      if (encoding === undefined) encoding = 'utf8'
+    } else {
+      encoding = length
+      length = undefined
+    }
+  } else {
+    throw new Error(
+      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
+    )
+  }
+
+  var remaining = this.length - offset
+  if (length === undefined || length > remaining) length = remaining
+
+  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
+    throw new RangeError('Attempt to write outside buffer bounds')
+  }
+
+  if (!encoding) encoding = 'utf8'
+
+  var loweredCase = false
+  for (;;) {
+    switch (encoding) {
+      case 'hex':
+        return hexWrite(this, string, offset, length)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Write(this, string, offset, length)
+
+      case 'ascii':
+      case 'latin1':
+      case 'binary':
+        return asciiWrite(this, string, offset, length)
+
+      case 'base64':
+        // Warning: maxLength not taken into account in base64Write
+        return base64Write(this, string, offset, length)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return ucs2Write(this, string, offset, length)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = ('' + encoding).toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+
+Buffer.prototype.toJSON = function toJSON () {
+  return {
+    type: 'Buffer',
+    data: Array.prototype.slice.call(this._arr || this, 0)
+  }
+}
+
+function base64Slice (buf, start, end) {
+  if (start === 0 && end === buf.length) {
+    return base64.fromByteArray(buf)
+  } else {
+    return base64.fromByteArray(buf.slice(start, end))
+  }
+}
+
+function utf8Slice (buf, start, end) {
+  end = Math.min(buf.length, end)
+  var res = []
+
+  var i = start
+  while (i < end) {
+    var firstByte = buf[i]
+    var codePoint = null
+    var bytesPerSequence = (firstByte > 0xEF)
+      ? 4
+      : (firstByte > 0xDF)
+          ? 3
+          : (firstByte > 0xBF)
+              ? 2
+              : 1
+
+    if (i + bytesPerSequence <= end) {
+      var secondByte, thirdByte, fourthByte, tempCodePoint
+
+      switch (bytesPerSequence) {
+        case 1:
+          if (firstByte < 0x80) {
+            codePoint = firstByte
+          }
+          break
+        case 2:
+          secondByte = buf[i + 1]
+          if ((secondByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
+            if (tempCodePoint > 0x7F) {
+              codePoint = tempCodePoint
+            }
+          }
+          break
+        case 3:
+          secondByte = buf[i + 1]
+          thirdByte = buf[i + 2]
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
+            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+              codePoint = tempCodePoint
+            }
+          }
+          break
+        case 4:
+          secondByte = buf[i + 1]
+          thirdByte = buf[i + 2]
+          fourthByte = buf[i + 3]
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
+            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+              codePoint = tempCodePoint
+            }
+          }
+      }
+    }
+
+    if (codePoint === null) {
+      // we did not generate a valid codePoint so insert a
+      // replacement char (U+FFFD) and advance only 1 byte
+      codePoint = 0xFFFD
+      bytesPerSequence = 1
+    } else if (codePoint > 0xFFFF) {
+      // encode to utf16 (surrogate pair dance)
+      codePoint -= 0x10000
+      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
+      codePoint = 0xDC00 | codePoint & 0x3FF
+    }
+
+    res.push(codePoint)
+    i += bytesPerSequence
+  }
+
+  return decodeCodePointsArray(res)
+}
+
+// Based on http://stackoverflow.com/a/22747272/680742, the browser with
+// the lowest limit is Chrome, with 0x10000 args.
+// We go 1 magnitude less, for safety
+var MAX_ARGUMENTS_LENGTH = 0x1000
+
+function decodeCodePointsArray (codePoints) {
+  var len = codePoints.length
+  if (len <= MAX_ARGUMENTS_LENGTH) {
+    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
+  }
+
+  // Decode in chunks to avoid "call stack size exceeded".
+  var res = ''
+  var i = 0
+  while (i < len) {
+    res += String.fromCharCode.apply(
+      String,
+      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
+    )
+  }
+  return res
+}
+
+function asciiSlice (buf, start, end) {
+  var ret = ''
+  end = Math.min(buf.length, end)
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i] & 0x7F)
+  }
+  return ret
+}
+
+function latin1Slice (buf, start, end) {
+  var ret = ''
+  end = Math.min(buf.length, end)
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i])
+  }
+  return ret
+}
+
+function hexSlice (buf, start, end) {
+  var len = buf.length
+
+  if (!start || start < 0) start = 0
+  if (!end || end < 0 || end > len) end = len
+
+  var out = ''
+  for (var i = start; i < end; ++i) {
+    out += hexSliceLookupTable[buf[i]]
+  }
+  return out
+}
+
+function utf16leSlice (buf, start, end) {
+  var bytes = buf.slice(start, end)
+  var res = ''
+  // If bytes.length is odd, the last 8 bits must be ignored (same as node.js)
+  for (var i = 0; i < bytes.length - 1; i += 2) {
+    res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))
+  }
+  return res
+}
+
+Buffer.prototype.slice = function slice (start, end) {
+  var len = this.length
+  start = ~~start
+  end = end === undefined ? len : ~~end
+
+  if (start < 0) {
+    start += len
+    if (start < 0) start = 0
+  } else if (start > len) {
+    start = len
+  }
+
+  if (end < 0) {
+    end += len
+    if (end < 0) end = 0
+  } else if (end > len) {
+    end = len
+  }
+
+  if (end < start) end = start
+
+  var newBuf = this.subarray(start, end)
+  // Return an augmented `Uint8Array` instance
+  Object.setPrototypeOf(newBuf, Buffer.prototype)
+
+  return newBuf
+}
+
+/*
+ * Need to make sure that buffer isn't trying to write out of bounds.
+ */
+function checkOffset (offset, ext, length) {
+  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
+  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
+}
+
+Buffer.prototype.readUintLE =
+Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var val = this[offset]
+  var mul = 1
+  var i = 0
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul
+  }
+
+  return val
+}
+
+Buffer.prototype.readUintBE =
+Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) {
+    checkOffset(offset, byteLength, this.length)
+  }
+
+  var val = this[offset + --byteLength]
+  var mul = 1
+  while (byteLength > 0 && (mul *= 0x100)) {
+    val += this[offset + --byteLength] * mul
+  }
+
+  return val
+}
+
+Buffer.prototype.readUint8 =
+Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 1, this.length)
+  return this[offset]
+}
+
+Buffer.prototype.readUint16LE =
+Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  return this[offset] | (this[offset + 1] << 8)
+}
+
+Buffer.prototype.readUint16BE =
+Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  return (this[offset] << 8) | this[offset + 1]
+}
+
+Buffer.prototype.readUint32LE =
+Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return ((this[offset]) |
+      (this[offset + 1] << 8) |
+      (this[offset + 2] << 16)) +
+      (this[offset + 3] * 0x1000000)
+}
+
+Buffer.prototype.readUint32BE =
+Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset] * 0x1000000) +
+    ((this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    this[offset + 3])
+}
+
+Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var val = this[offset]
+  var mul = 1
+  var i = 0
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul
+  }
+  mul *= 0x80
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+  return val
+}
+
+Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var i = byteLength
+  var mul = 1
+  var val = this[offset + --i]
+  while (i > 0 && (mul *= 0x100)) {
+    val += this[offset + --i] * mul
+  }
+  mul *= 0x80
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+  return val
+}
+
+Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 1, this.length)
+  if (!(this[offset] & 0x80)) return (this[offset])
+  return ((0xff - this[offset] + 1) * -1)
+}
+
+Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  var val = this[offset] | (this[offset + 1] << 8)
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  var val = this[offset + 1] | (this[offset] << 8)
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset]) |
+    (this[offset + 1] << 8) |
+    (this[offset + 2] << 16) |
+    (this[offset + 3] << 24)
+}
+
+Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset] << 24) |
+    (this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    (this[offset + 3])
+}
+
+Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+  return ieee754.read(this, offset, true, 23, 4)
+}
+
+Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+  return ieee754.read(this, offset, false, 23, 4)
+}
+
+Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 8, this.length)
+  return ieee754.read(this, offset, true, 52, 8)
+}
+
+Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 8, this.length)
+  return ieee754.read(this, offset, false, 52, 8)
+}
+
+function checkInt (buf, value, offset, ext, max, min) {
+  if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
+  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+}
+
+Buffer.prototype.writeUintLE =
+Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1
+    checkInt(this, value, offset, byteLength, maxBytes, 0)
+  }
+
+  var mul = 1
+  var i = 0
+  this[offset] = value & 0xFF
+  while (++i < byteLength && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeUintBE =
+Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1
+    checkInt(this, value, offset, byteLength, maxBytes, 0)
+  }
+
+  var i = byteLength - 1
+  var mul = 1
+  this[offset + i] = value & 0xFF
+  while (--i >= 0 && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeUint8 =
+Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
+  this[offset] = (value & 0xff)
+  return offset + 1
+}
+
+Buffer.prototype.writeUint16LE =
+Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
+  return offset + 2
+}
+
+Buffer.prototype.writeUint16BE =
+Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+  this[offset] = (value >>> 8)
+  this[offset + 1] = (value & 0xff)
+  return offset + 2
+}
+
+Buffer.prototype.writeUint32LE =
+Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+  this[offset + 3] = (value >>> 24)
+  this[offset + 2] = (value >>> 16)
+  this[offset + 1] = (value >>> 8)
+  this[offset] = (value & 0xff)
+  return offset + 4
+}
+
+Buffer.prototype.writeUint32BE =
+Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+  this[offset] = (value >>> 24)
+  this[offset + 1] = (value >>> 16)
+  this[offset + 2] = (value >>> 8)
+  this[offset + 3] = (value & 0xff)
+  return offset + 4
+}
+
+Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    var limit = Math.pow(2, (8 * byteLength) - 1)
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit)
+  }
+
+  var i = 0
+  var mul = 1
+  var sub = 0
+  this[offset] = value & 0xFF
+  while (++i < byteLength && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+      sub = 1
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    var limit = Math.pow(2, (8 * byteLength) - 1)
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit)
+  }
+
+  var i = byteLength - 1
+  var mul = 1
+  var sub = 0
+  this[offset + i] = value & 0xFF
+  while (--i >= 0 && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+      sub = 1
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
+  if (value < 0) value = 0xff + value + 1
+  this[offset] = (value & 0xff)
+  return offset + 1
+}
+
+Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
+  return offset + 2
+}
+
+Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  this[offset] = (value >>> 8)
+  this[offset + 1] = (value & 0xff)
+  return offset + 2
+}
+
+Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
+  this[offset + 2] = (value >>> 16)
+  this[offset + 3] = (value >>> 24)
+  return offset + 4
+}
+
+Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  if (value < 0) value = 0xffffffff + value + 1
+  this[offset] = (value >>> 24)
+  this[offset + 1] = (value >>> 16)
+  this[offset + 2] = (value >>> 8)
+  this[offset + 3] = (value & 0xff)
+  return offset + 4
+}
+
+function checkIEEE754 (buf, value, offset, ext, max, min) {
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+  if (offset < 0) throw new RangeError('Index out of range')
+}
+
+function writeFloat (buf, value, offset, littleEndian, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
+  }
+  ieee754.write(buf, value, offset, littleEndian, 23, 4)
+  return offset + 4
+}
+
+Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, false, noAssert)
+}
+
+function writeDouble (buf, value, offset, littleEndian, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
+  }
+  ieee754.write(buf, value, offset, littleEndian, 52, 8)
+  return offset + 8
+}
+
+Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, false, noAssert)
+}
+
+// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+Buffer.prototype.copy = function copy (target, targetStart, start, end) {
+  if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer')
+  if (!start) start = 0
+  if (!end && end !== 0) end = this.length
+  if (targetStart >= target.length) targetStart = target.length
+  if (!targetStart) targetStart = 0
+  if (end > 0 && end < start) end = start
+
+  // Copy 0 bytes; we're done
+  if (end === start) return 0
+  if (target.length === 0 || this.length === 0) return 0
+
+  // Fatal error conditions
+  if (targetStart < 0) {
+    throw new RangeError('targetStart out of bounds')
+  }
+  if (start < 0 || start >= this.length) throw new RangeError('Index out of range')
+  if (end < 0) throw new RangeError('sourceEnd out of bounds')
+
+  // Are we oob?
+  if (end > this.length) end = this.length
+  if (target.length - targetStart < end - start) {
+    end = target.length - targetStart + start
+  }
+
+  var len = end - start
+
+  if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {
+    // Use built-in when available, missing from IE11
+    this.copyWithin(targetStart, start, end)
+  } else {
+    Uint8Array.prototype.set.call(
+      target,
+      this.subarray(start, end),
+      targetStart
+    )
+  }
+
+  return len
+}
+
+// Usage:
+//    buffer.fill(number[, offset[, end]])
+//    buffer.fill(buffer[, offset[, end]])
+//    buffer.fill(string[, offset[, end]][, encoding])
+Buffer.prototype.fill = function fill (val, start, end, encoding) {
+  // Handle string cases:
+  if (typeof val === 'string') {
+    if (typeof start === 'string') {
+      encoding = start
+      start = 0
+      end = this.length
+    } else if (typeof end === 'string') {
+      encoding = end
+      end = this.length
+    }
+    if (encoding !== undefined && typeof encoding !== 'string') {
+      throw new TypeError('encoding must be a string')
+    }
+    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+      throw new TypeError('Unknown encoding: ' + encoding)
+    }
+    if (val.length === 1) {
+      var code = val.charCodeAt(0)
+      if ((encoding === 'utf8' && code < 128) ||
+          encoding === 'latin1') {
+        // Fast path: If `val` fits into a single byte, use that numeric value.
+        val = code
+      }
+    }
+  } else if (typeof val === 'number') {
+    val = val & 255
+  } else if (typeof val === 'boolean') {
+    val = Number(val)
+  }
+
+  // Invalid ranges are not set to a default, so can range check early.
+  if (start < 0 || this.length < start || this.length < end) {
+    throw new RangeError('Out of range index')
+  }
+
+  if (end <= start) {
+    return this
+  }
+
+  start = start >>> 0
+  end = end === undefined ? this.length : end >>> 0
+
+  if (!val) val = 0
+
+  var i
+  if (typeof val === 'number') {
+    for (i = start; i < end; ++i) {
+      this[i] = val
+    }
+  } else {
+    var bytes = Buffer.isBuffer(val)
+      ? val
+      : Buffer.from(val, encoding)
+    var len = bytes.length
+    if (len === 0) {
+      throw new TypeError('The value "' + val +
+        '" is invalid for argument "value"')
+    }
+    for (i = 0; i < end - start; ++i) {
+      this[i + start] = bytes[i % len]
+    }
+  }
+
+  return this
+}
+
+// HELPER FUNCTIONS
+// ================
+
+var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g
+
+function base64clean (str) {
+  // Node takes equal signs as end of the Base64 encoding
+  str = str.split('=')[0]
+  // Node strips out invalid characters like \n and \t from the string, base64-js does not
+  str = str.trim().replace(INVALID_BASE64_RE, '')
+  // Node converts strings with length < 2 to ''
+  if (str.length < 2) return ''
+  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+  while (str.length % 4 !== 0) {
+    str = str + '='
+  }
+  return str
+}
+
+function utf8ToBytes (string, units) {
+  units = units || Infinity
+  var codePoint
+  var length = string.length
+  var leadSurrogate = null
+  var bytes = []
+
+  for (var i = 0; i < length; ++i) {
+    codePoint = string.charCodeAt(i)
+
+    // is surrogate component
+    if (codePoint > 0xD7FF && codePoint < 0xE000) {
+      // last char was a lead
+      if (!leadSurrogate) {
+        // no lead yet
+        if (codePoint > 0xDBFF) {
+          // unexpected trail
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+          continue
+        } else if (i + 1 === length) {
+          // unpaired lead
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+          continue
+        }
+
+        // valid lead
+        leadSurrogate = codePoint
+
+        continue
+      }
+
+      // 2 leads in a row
+      if (codePoint < 0xDC00) {
+        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+        leadSurrogate = codePoint
+        continue
+      }
+
+      // valid surrogate pair
+      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
+    } else if (leadSurrogate) {
+      // valid bmp char, but last char was a lead
+      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+    }
+
+    leadSurrogate = null
+
+    // encode utf8
+    if (codePoint < 0x80) {
+      if ((units -= 1) < 0) break
+      bytes.push(codePoint)
+    } else if (codePoint < 0x800) {
+      if ((units -= 2) < 0) break
+      bytes.push(
+        codePoint >> 0x6 | 0xC0,
+        codePoint & 0x3F | 0x80
+      )
+    } else if (codePoint < 0x10000) {
+      if ((units -= 3) < 0) break
+      bytes.push(
+        codePoint >> 0xC | 0xE0,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      )
+    } else if (codePoint < 0x110000) {
+      if ((units -= 4) < 0) break
+      bytes.push(
+        codePoint >> 0x12 | 0xF0,
+        codePoint >> 0xC & 0x3F | 0x80,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      )
+    } else {
+      throw new Error('Invalid code point')
+    }
+  }
+
+  return bytes
+}
+
+function asciiToBytes (str) {
+  var byteArray = []
+  for (var i = 0; i < str.length; ++i) {
+    // Node's code seems to be doing this and not & 0x7F..
+    byteArray.push(str.charCodeAt(i) & 0xFF)
+  }
+  return byteArray
+}
+
+function utf16leToBytes (str, units) {
+  var c, hi, lo
+  var byteArray = []
+  for (var i = 0; i < str.length; ++i) {
+    if ((units -= 2) < 0) break
+
+    c = str.charCodeAt(i)
+    hi = c >> 8
+    lo = c % 256
+    byteArray.push(lo)
+    byteArray.push(hi)
+  }
+
+  return byteArray
+}
+
+function base64ToBytes (str) {
+  return base64.toByteArray(base64clean(str))
+}
+
+function blitBuffer (src, dst, offset, length) {
+  for (var i = 0; i < length; ++i) {
+    if ((i + offset >= dst.length) || (i >= src.length)) break
+    dst[i + offset] = src[i]
+  }
+  return i
+}
+
+// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass
+// the `instanceof` check but they should be treated as of that type.
+// See: https://github.com/feross/buffer/issues/166
+function isInstance (obj, type) {
+  return obj instanceof type ||
+    (obj != null && obj.constructor != null && obj.constructor.name != null &&
+      obj.constructor.name === type.name)
+}
+function numberIsNaN (obj) {
+  // For IE11 support
+  return obj !== obj // eslint-disable-line no-self-compare
+}
+
+// Create lookup table for `toString('hex')`
+// See: https://github.com/feross/buffer/issues/219
+var hexSliceLookupTable = (function () {
+  var alphabet = '0123456789abcdef'
+  var table = new Array(256)
+  for (var i = 0; i < 16; ++i) {
+    var i16 = i * 16
+    for (var j = 0; j < 16; ++j) {
+      table[i16 + j] = alphabet[i] + alphabet[j]
+    }
+  }
+  return table
+})()
diff --git a/node_modules/buffer/package.json b/node_modules/buffer/package.json
new file mode 100644
index 000000000..3b1b4986f
--- /dev/null
+++ b/node_modules/buffer/package.json
@@ -0,0 +1,96 @@
+{
+  "name": "buffer",
+  "description": "Node.js Buffer API, for the browser",
+  "version": "5.7.1",
+  "author": {
+    "name": "Feross Aboukhadijeh",
+    "email": "feross@feross.org",
+    "url": "https://feross.org"
+  },
+  "bugs": {
+    "url": "https://github.com/feross/buffer/issues"
+  },
+  "contributors": [
+    "Romain Beauxis <toots@rastageeks.org>",
+    "James Halliday <mail@substack.net>"
+  ],
+  "dependencies": {
+    "base64-js": "^1.3.1",
+    "ieee754": "^1.1.13"
+  },
+  "devDependencies": {
+    "airtap": "^3.0.0",
+    "benchmark": "^2.1.4",
+    "browserify": "^17.0.0",
+    "concat-stream": "^2.0.0",
+    "hyperquest": "^2.1.3",
+    "is-buffer": "^2.0.4",
+    "is-nan": "^1.3.0",
+    "split": "^1.0.1",
+    "standard": "*",
+    "tape": "^5.0.1",
+    "through2": "^4.0.2",
+    "uglify-js": "^3.11.3"
+  },
+  "homepage": "https://github.com/feross/buffer",
+  "jspm": {
+    "map": {
+      "./index.js": {
+        "node": "@node/buffer"
+      }
+    }
+  },
+  "keywords": [
+    "arraybuffer",
+    "browser",
+    "browserify",
+    "buffer",
+    "compatible",
+    "dataview",
+    "uint8array"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "types": "index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/feross/buffer.git"
+  },
+  "scripts": {
+    "perf": "browserify --debug perf/bracket-notation.js > perf/bundle.js && open perf/index.html",
+    "perf-node": "node perf/bracket-notation.js && node perf/concat.js && node perf/copy-big.js && node perf/copy.js && node perf/new-big.js && node perf/new.js && node perf/readDoubleBE.js && node perf/readFloatBE.js && node perf/readUInt32LE.js && node perf/slice.js && node perf/writeFloatBE.js",
+    "size": "browserify -r ./ | uglifyjs -c -m | gzip | wc -c",
+    "test": "standard && node ./bin/test.js",
+    "test-browser-es5": "airtap -- test/*.js",
+    "test-browser-es5-local": "airtap --local -- test/*.js",
+    "test-browser-es6": "airtap -- test/*.js test/node/*.js",
+    "test-browser-es6-local": "airtap --local -- test/*.js test/node/*.js",
+    "test-node": "tape test/*.js test/node/*.js",
+    "update-authors": "./bin/update-authors.sh"
+  },
+  "standard": {
+    "ignore": [
+      "test/node/**/*.js",
+      "test/common.js",
+      "test/_polyfill.js",
+      "perf/**/*.js"
+    ],
+    "globals": [
+      "SharedArrayBuffer"
+    ]
+  },
+  "funding": [
+    {
+      "type": "github",
+      "url": "https://github.com/sponsors/feross"
+    },
+    {
+      "type": "patreon",
+      "url": "https://www.patreon.com/feross"
+    },
+    {
+      "type": "consulting",
+      "url": "https://feross.org/support"
+    }
+  ]
+}
diff --git a/node_modules/bytes/History.md b/node_modules/bytes/History.md
new file mode 100644
index 000000000..d60ce0e6d
--- /dev/null
+++ b/node_modules/bytes/History.md
@@ -0,0 +1,97 @@
+3.1.2 / 2022-01-27
+==================
+
+  * Fix return value for un-parsable strings
+
+3.1.1 / 2021-11-15
+==================
+
+  * Fix "thousandsSeparator" incorrecting formatting fractional part
+
+3.1.0 / 2019-01-22
+==================
+
+  * Add petabyte (`pb`) support
+
+3.0.0 / 2017-08-31
+==================
+
+  * Change "kB" to "KB" in format output
+  * Remove support for Node.js 0.6
+  * Remove support for ComponentJS
+
+2.5.0 / 2017-03-24
+==================
+
+  * Add option "unit"
+
+2.4.0 / 2016-06-01
+==================
+
+  * Add option "unitSeparator"
+
+2.3.0 / 2016-02-15
+==================
+
+  * Drop partial bytes on all parsed units
+  * Fix non-finite numbers to `.format` to return `null`
+  * Fix parsing byte string that looks like hex
+  * perf: hoist regular expressions
+
+2.2.0 / 2015-11-13
+==================
+
+  * add option "decimalPlaces"
+  * add option "fixedDecimals"
+
+2.1.0 / 2015-05-21
+==================
+
+  * add `.format` export
+  * add `.parse` export
+
+2.0.2 / 2015-05-20
+==================
+
+  * remove map recreation
+  * remove unnecessary object construction
+
+2.0.1 / 2015-05-07
+==================
+
+  * fix browserify require
+  * remove node.extend dependency
+
+2.0.0 / 2015-04-12
+==================
+
+  * add option "case"
+  * add option "thousandsSeparator"
+  * return "null" on invalid parse input
+  * support proper round-trip: bytes(bytes(num)) === num
+  * units no longer case sensitive when parsing
+
+1.0.0 / 2014-05-05
+==================
+
+ * add negative support. fixes #6
+
+0.3.0 / 2014-03-19
+==================
+
+ * added terabyte support
+
+0.2.1 / 2013-04-01
+==================
+
+  * add .component
+
+0.2.0 / 2012-10-28
+==================
+
+  * bytes(200).should.eql('200b')
+
+0.1.0 / 2012-07-04
+==================
+
+  * add bytes to string conversion [yields]
diff --git a/node_modules/bytes/LICENSE b/node_modules/bytes/LICENSE
new file mode 100644
index 000000000..63e95a963
--- /dev/null
+++ b/node_modules/bytes/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2012-2014 TJ Holowaychuk <tj@vision-media.ca>
+Copyright (c) 2015 Jed Watson <jed.watson@me.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/bytes/Readme.md b/node_modules/bytes/Readme.md
new file mode 100644
index 000000000..5790e23e3
--- /dev/null
+++ b/node_modules/bytes/Readme.md
@@ -0,0 +1,152 @@
+# Bytes utility
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Build Status][ci-image]][ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Utility to parse a string bytes (ex: `1TB`) to bytes (`1099511627776`) and vice-versa.
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```bash
+$ npm install bytes
+```
+
+## Usage
+
+```js
+var bytes = require('bytes');
+```
+
+#### bytes(number｜string value, [options]): number｜string｜null
+
+Default export function. Delegates to either `bytes.format` or `bytes.parse` based on the type of `value`.
+
+**Arguments**
+
+| Name    | Type     | Description        |
+|---------|----------|--------------------|
+| value   | `number`｜`string` | Number value to format or string value to parse |
+| options | `Object` | Conversion options for `format` |
+
+**Returns**
+
+| Name    | Type             | Description                                     |
+|---------|------------------|-------------------------------------------------|
+| results | `string`｜`number`｜`null` | Return null upon error. Numeric value in bytes, or string value otherwise. |
+
+**Example**
+
+```js
+bytes(1024);
+// output: '1KB'
+
+bytes('1KB');
+// output: 1024
+```
+
+#### bytes.format(number value, [options]): string｜null
+
+Format the given value in bytes into a string. If the value is negative, it is kept as such. If it is a float, it is
+ rounded.
+
+**Arguments**
+
+| Name    | Type     | Description        |
+|---------|----------|--------------------|
+| value   | `number` | Value in bytes     |
+| options | `Object` | Conversion options |
+
+**Options**
+
+| Property          | Type   | Description                                                                             |
+|-------------------|--------|-----------------------------------------------------------------------------------------|
+| decimalPlaces | `number`｜`null` | Maximum number of decimal places to include in output. Default value to `2`. |
+| fixedDecimals | `boolean`｜`null` | Whether to always display the maximum number of decimal places. Default value to `false` |
+| thousandsSeparator | `string`｜`null` | Example of values: `' '`, `','` and `'.'`... Default value to `''`. |
+| unit | `string`｜`null` | The unit in which the result will be returned (B/KB/MB/GB/TB). Default value to `''` (which means auto detect). |
+| unitSeparator | `string`｜`null` | Separator to use between number and unit. Default value to `''`. |
+
+**Returns**
+
+| Name    | Type             | Description                                     |
+|---------|------------------|-------------------------------------------------|
+| results | `string`｜`null` | Return null upon error. String value otherwise. |
+
+**Example**
+
+```js
+bytes.format(1024);
+// output: '1KB'
+
+bytes.format(1000);
+// output: '1000B'
+
+bytes.format(1000, {thousandsSeparator: ' '});
+// output: '1 000B'
+
+bytes.format(1024 * 1.7, {decimalPlaces: 0});
+// output: '2KB'
+
+bytes.format(1024, {unitSeparator: ' '});
+// output: '1 KB'
+```
+
+#### bytes.parse(string｜number value): number｜null
+
+Parse the string value into an integer in bytes. If no unit is given, or `value`
+is a number, it is assumed the value is in bytes.
+
+Supported units and abbreviations are as follows and are case-insensitive:
+
+  * `b` for bytes
+  * `kb` for kilobytes
+  * `mb` for megabytes
+  * `gb` for gigabytes
+  * `tb` for terabytes
+  * `pb` for petabytes
+
+The units are in powers of two, not ten. This means 1kb = 1024b according to this parser.
+
+**Arguments**
+
+| Name          | Type   | Description        |
+|---------------|--------|--------------------|
+| value   | `string`｜`number` | String to parse, or number in bytes.   |
+
+**Returns**
+
+| Name    | Type        | Description             |
+|---------|-------------|-------------------------|
+| results | `number`｜`null` | Return null upon error. Value in bytes otherwise. |
+
+**Example**
+
+```js
+bytes.parse('1KB');
+// output: 1024
+
+bytes.parse('1024');
+// output: 1024
+
+bytes.parse(1024);
+// output: 1024
+```
+
+## License
+
+[MIT](LICENSE)
+
+[ci-image]: https://badgen.net/github/checks/visionmedia/bytes.js/master?label=ci
+[ci-url]: https://github.com/visionmedia/bytes.js/actions?query=workflow%3Aci
+[coveralls-image]: https://badgen.net/coveralls/c/github/visionmedia/bytes.js/master
+[coveralls-url]: https://coveralls.io/r/visionmedia/bytes.js?branch=master
+[downloads-image]: https://badgen.net/npm/dm/bytes
+[downloads-url]: https://npmjs.org/package/bytes
+[npm-image]: https://badgen.net/npm/v/bytes
+[npm-url]: https://npmjs.org/package/bytes
diff --git a/node_modules/bytes/index.js b/node_modules/bytes/index.js
new file mode 100644
index 000000000..6f2d0f89e
--- /dev/null
+++ b/node_modules/bytes/index.js
@@ -0,0 +1,170 @@
+/*!
+ * bytes
+ * Copyright(c) 2012-2014 TJ Holowaychuk
+ * Copyright(c) 2015 Jed Watson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = bytes;
+module.exports.format = format;
+module.exports.parse = parse;
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var formatThousandsRegExp = /\B(?=(\d{3})+(?!\d))/g;
+
+var formatDecimalsRegExp = /(?:\.0*|(\.[^0]+)0+)$/;
+
+var map = {
+  b:  1,
+  kb: 1 << 10,
+  mb: 1 << 20,
+  gb: 1 << 30,
+  tb: Math.pow(1024, 4),
+  pb: Math.pow(1024, 5),
+};
+
+var parseRegExp = /^((-|\+)?(\d+(?:\.\d+)?)) *(kb|mb|gb|tb|pb)$/i;
+
+/**
+ * Convert the given value in bytes into a string or parse to string to an integer in bytes.
+ *
+ * @param {string|number} value
+ * @param {{
+ *  case: [string],
+ *  decimalPlaces: [number]
+ *  fixedDecimals: [boolean]
+ *  thousandsSeparator: [string]
+ *  unitSeparator: [string]
+ *  }} [options] bytes options.
+ *
+ * @returns {string|number|null}
+ */
+
+function bytes(value, options) {
+  if (typeof value === 'string') {
+    return parse(value);
+  }
+
+  if (typeof value === 'number') {
+    return format(value, options);
+  }
+
+  return null;
+}
+
+/**
+ * Format the given value in bytes into a string.
+ *
+ * If the value is negative, it is kept as such. If it is a float,
+ * it is rounded.
+ *
+ * @param {number} value
+ * @param {object} [options]
+ * @param {number} [options.decimalPlaces=2]
+ * @param {number} [options.fixedDecimals=false]
+ * @param {string} [options.thousandsSeparator=]
+ * @param {string} [options.unit=]
+ * @param {string} [options.unitSeparator=]
+ *
+ * @returns {string|null}
+ * @public
+ */
+
+function format(value, options) {
+  if (!Number.isFinite(value)) {
+    return null;
+  }
+
+  var mag = Math.abs(value);
+  var thousandsSeparator = (options && options.thousandsSeparator) || '';
+  var unitSeparator = (options && options.unitSeparator) || '';
+  var decimalPlaces = (options && options.decimalPlaces !== undefined) ? options.decimalPlaces : 2;
+  var fixedDecimals = Boolean(options && options.fixedDecimals);
+  var unit = (options && options.unit) || '';
+
+  if (!unit || !map[unit.toLowerCase()]) {
+    if (mag >= map.pb) {
+      unit = 'PB';
+    } else if (mag >= map.tb) {
+      unit = 'TB';
+    } else if (mag >= map.gb) {
+      unit = 'GB';
+    } else if (mag >= map.mb) {
+      unit = 'MB';
+    } else if (mag >= map.kb) {
+      unit = 'KB';
+    } else {
+      unit = 'B';
+    }
+  }
+
+  var val = value / map[unit.toLowerCase()];
+  var str = val.toFixed(decimalPlaces);
+
+  if (!fixedDecimals) {
+    str = str.replace(formatDecimalsRegExp, '$1');
+  }
+
+  if (thousandsSeparator) {
+    str = str.split('.').map(function (s, i) {
+      return i === 0
+        ? s.replace(formatThousandsRegExp, thousandsSeparator)
+        : s
+    }).join('.');
+  }
+
+  return str + unitSeparator + unit;
+}
+
+/**
+ * Parse the string value into an integer in bytes.
+ *
+ * If no unit is given, it is assumed the value is in bytes.
+ *
+ * @param {number|string} val
+ *
+ * @returns {number|null}
+ * @public
+ */
+
+function parse(val) {
+  if (typeof val === 'number' && !isNaN(val)) {
+    return val;
+  }
+
+  if (typeof val !== 'string') {
+    return null;
+  }
+
+  // Test if the string passed is valid
+  var results = parseRegExp.exec(val);
+  var floatValue;
+  var unit = 'b';
+
+  if (!results) {
+    // Nothing could be extracted from the given string
+    floatValue = parseInt(val, 10);
+    unit = 'b'
+  } else {
+    // Retrieve the value and the unit
+    floatValue = parseFloat(results[1]);
+    unit = results[4].toLowerCase();
+  }
+
+  if (isNaN(floatValue)) {
+    return null;
+  }
+
+  return Math.floor(map[unit] * floatValue);
+}
diff --git a/node_modules/bytes/package.json b/node_modules/bytes/package.json
new file mode 100644
index 000000000..f2b6a8b0e
--- /dev/null
+++ b/node_modules/bytes/package.json
@@ -0,0 +1,42 @@
+{
+  "name": "bytes",
+  "description": "Utility to parse a string bytes to bytes and vice-versa",
+  "version": "3.1.2",
+  "author": "TJ Holowaychuk <tj@vision-media.ca> (http://tjholowaychuk.com)",
+  "contributors": [
+    "Jed Watson <jed.watson@me.com>",
+    "Théo FIDRY <theo.fidry@gmail.com>"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "byte",
+    "bytes",
+    "utility",
+    "parse",
+    "parser",
+    "convert",
+    "converter"
+  ],
+  "repository": "visionmedia/bytes.js",
+  "devDependencies": {
+    "eslint": "7.32.0",
+    "eslint-plugin-markdown": "2.2.1",
+    "mocha": "9.2.0",
+    "nyc": "15.1.0"
+  },
+  "files": [
+    "History.md",
+    "LICENSE",
+    "Readme.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --check-leaks --reporter spec",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  }
+}
diff --git a/node_modules/call-bind/.eslintignore b/node_modules/call-bind/.eslintignore
new file mode 100644
index 000000000..404abb221
--- /dev/null
+++ b/node_modules/call-bind/.eslintignore
@@ -0,0 +1 @@
+coverage/
diff --git a/node_modules/call-bind/.eslintrc b/node_modules/call-bind/.eslintrc
new file mode 100644
index 000000000..e5d3c9a94
--- /dev/null
+++ b/node_modules/call-bind/.eslintrc
@@ -0,0 +1,17 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-name-matching": 0,
+		"id-length": 0,
+		"new-cap": [2, {
+			"capIsNewExceptions": [
+				"GetIntrinsic",
+			],
+		}],
+		"no-magic-numbers": 0,
+		"operator-linebreak": [2, "before"],
+	},
+}
diff --git a/node_modules/call-bind/.github/FUNDING.yml b/node_modules/call-bind/.github/FUNDING.yml
new file mode 100644
index 000000000..c70c2ecdb
--- /dev/null
+++ b/node_modules/call-bind/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/call-bind
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/call-bind/.nycrc b/node_modules/call-bind/.nycrc
new file mode 100644
index 000000000..1826526e0
--- /dev/null
+++ b/node_modules/call-bind/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/call-bind/CHANGELOG.md b/node_modules/call-bind/CHANGELOG.md
new file mode 100644
index 000000000..62a37279e
--- /dev/null
+++ b/node_modules/call-bind/CHANGELOG.md
@@ -0,0 +1,42 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.2](https://github.com/ljharb/call-bind/compare/v1.0.1...v1.0.2) - 2021-01-11
+
+### Commits
+
+- [Fix] properly include the receiver in the bound length [`dbae7bc`](https://github.com/ljharb/call-bind/commit/dbae7bc676c079a0d33c0a43e9ef92cb7b01345d)
+
+## [v1.0.1](https://github.com/ljharb/call-bind/compare/v1.0.0...v1.0.1) - 2021-01-08
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`b6db284`](https://github.com/ljharb/call-bind/commit/b6db284c36f8ccd195b88a6764fe84b7223a0da1)
+- [meta] do not publish github action workflow files [`ec7fe46`](https://github.com/ljharb/call-bind/commit/ec7fe46e60cfa4764ee943d2755f5e5a366e578e)
+- [Fix] preserve original function’s length when possible [`adbceaa`](https://github.com/ljharb/call-bind/commit/adbceaa3cac4b41ea78bb19d7ccdbaaf7e0bdadb)
+- [Tests] gather coverage data on every job [`d69e23c`](https://github.com/ljharb/call-bind/commit/d69e23cc65f101ba1d4c19bb07fa8eb0ec624be8)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`2fd3586`](https://github.com/ljharb/call-bind/commit/2fd3586c5d47b335364c14293114c6b625ae1f71)
+- [Deps] update `get-intrinsic` [`f23e931`](https://github.com/ljharb/call-bind/commit/f23e9318cc271c2add8bb38cfded85ee7baf8eee)
+- [Deps] update `get-intrinsic` [`72d9f44`](https://github.com/ljharb/call-bind/commit/72d9f44e184465ba8dd3fb48260bbcff234985f2)
+- [meta] fix FUNDING.yml [`e723573`](https://github.com/ljharb/call-bind/commit/e723573438c5a68dcec31fb5d96ea6b7e4a93be8)
+- [eslint] ignore coverage output [`15e76d2`](https://github.com/ljharb/call-bind/commit/15e76d28a5f43e504696401e5b31ebb78ee1b532)
+- [meta] add Automatic Rebase and Require Allow Edits workflows [`8fa4dab`](https://github.com/ljharb/call-bind/commit/8fa4dabb23ba3dd7bb92c9571c1241c08b56e4b6)
+
+## v1.0.0 - 2020-10-30
+
+### Commits
+
+- Initial commit [`306cf98`](https://github.com/ljharb/call-bind/commit/306cf98c7ec9e7ef66b653ec152277ac1381eb50)
+- Tests [`e10d0bb`](https://github.com/ljharb/call-bind/commit/e10d0bbdadc7a10ecedc9a1c035112d3e368b8df)
+- Implementation [`43852ed`](https://github.com/ljharb/call-bind/commit/43852eda0f187327b7fad2423ca972149a52bd65)
+- npm init [`408f860`](https://github.com/ljharb/call-bind/commit/408f860b773a2f610805fd3613d0d71bac1b6249)
+- [meta] add Automatic Rebase and Require Allow Edits workflows [`fb349b2`](https://github.com/ljharb/call-bind/commit/fb349b2e48defbec8b5ec8a8395cc8f69f220b13)
+- [meta] add `auto-changelog` [`c4001fc`](https://github.com/ljharb/call-bind/commit/c4001fc43031799ef908211c98d3b0fb2b60fde4)
+- [meta] add "funding"; create `FUNDING.yml` [`d4d6d29`](https://github.com/ljharb/call-bind/commit/d4d6d2974a14bc2e98830468eda7fe6d6a776717)
+- [Tests] add `npm run lint` [`dedfb98`](https://github.com/ljharb/call-bind/commit/dedfb98bd0ecefb08ddb9a94061bd10cde4332af)
+- Only apps should have lockfiles [`54ac776`](https://github.com/ljharb/call-bind/commit/54ac77653db45a7361dc153d2f478e743f110650)
+- [meta] add `safe-publish-latest` [`9ea8e43`](https://github.com/ljharb/call-bind/commit/9ea8e435b950ce9b705559cd651039f9bf40140f)
diff --git a/node_modules/call-bind/LICENSE b/node_modules/call-bind/LICENSE
new file mode 100644
index 000000000..48f05d01d
--- /dev/null
+++ b/node_modules/call-bind/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/call-bind/README.md b/node_modules/call-bind/README.md
new file mode 100644
index 000000000..53649eb46
--- /dev/null
+++ b/node_modules/call-bind/README.md
@@ -0,0 +1,2 @@
+# call-bind
+Robustly `.call.bind()` a function.
diff --git a/node_modules/call-bind/callBound.js b/node_modules/call-bind/callBound.js
new file mode 100644
index 000000000..8374adfd0
--- /dev/null
+++ b/node_modules/call-bind/callBound.js
@@ -0,0 +1,15 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+
+var callBind = require('./');
+
+var $indexOf = callBind(GetIntrinsic('String.prototype.indexOf'));
+
+module.exports = function callBoundIntrinsic(name, allowMissing) {
+	var intrinsic = GetIntrinsic(name, !!allowMissing);
+	if (typeof intrinsic === 'function' && $indexOf(name, '.prototype.') > -1) {
+		return callBind(intrinsic);
+	}
+	return intrinsic;
+};
diff --git a/node_modules/call-bind/index.js b/node_modules/call-bind/index.js
new file mode 100644
index 000000000..6fa3e4af7
--- /dev/null
+++ b/node_modules/call-bind/index.js
@@ -0,0 +1,47 @@
+'use strict';
+
+var bind = require('function-bind');
+var GetIntrinsic = require('get-intrinsic');
+
+var $apply = GetIntrinsic('%Function.prototype.apply%');
+var $call = GetIntrinsic('%Function.prototype.call%');
+var $reflectApply = GetIntrinsic('%Reflect.apply%', true) || bind.call($call, $apply);
+
+var $gOPD = GetIntrinsic('%Object.getOwnPropertyDescriptor%', true);
+var $defineProperty = GetIntrinsic('%Object.defineProperty%', true);
+var $max = GetIntrinsic('%Math.max%');
+
+if ($defineProperty) {
+	try {
+		$defineProperty({}, 'a', { value: 1 });
+	} catch (e) {
+		// IE 8 has a broken defineProperty
+		$defineProperty = null;
+	}
+}
+
+module.exports = function callBind(originalFunction) {
+	var func = $reflectApply(bind, $call, arguments);
+	if ($gOPD && $defineProperty) {
+		var desc = $gOPD(func, 'length');
+		if (desc.configurable) {
+			// original length, plus the receiver, minus any additional arguments (after the receiver)
+			$defineProperty(
+				func,
+				'length',
+				{ value: 1 + $max(0, originalFunction.length - (arguments.length - 1)) }
+			);
+		}
+	}
+	return func;
+};
+
+var applyBind = function applyBind() {
+	return $reflectApply(bind, $apply, arguments);
+};
+
+if ($defineProperty) {
+	$defineProperty(module.exports, 'apply', { value: applyBind });
+} else {
+	module.exports.apply = applyBind;
+}
diff --git a/node_modules/call-bind/package.json b/node_modules/call-bind/package.json
new file mode 100644
index 000000000..4360556a7
--- /dev/null
+++ b/node_modules/call-bind/package.json
@@ -0,0 +1,80 @@
+{
+	"name": "call-bind",
+	"version": "1.0.2",
+	"description": "Robustly `.call.bind()` a function",
+	"main": "index.js",
+	"exports": {
+		".": [
+			{
+				"default": "./index.js"
+			},
+			"./index.js"
+		],
+		"./callBound": [
+			{
+				"default": "./callBound.js"
+			},
+			"./callBound.js"
+		],
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"prepublish": "safe-publish-latest",
+		"lint": "eslint --ext=.js,.mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/*'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/call-bind.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"es",
+		"js",
+		"callbind",
+		"callbound",
+		"call",
+		"bind",
+		"bound",
+		"call-bind",
+		"call-bound",
+		"function",
+		"es-abstract"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/call-bind/issues"
+	},
+	"homepage": "https://github.com/ljharb/call-bind#readme",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^17.3.0",
+		"aud": "^1.1.3",
+		"auto-changelog": "^2.2.1",
+		"eslint": "^7.17.0",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^1.1.4",
+		"tape": "^5.1.1"
+	},
+	"dependencies": {
+		"function-bind": "^1.1.1",
+		"get-intrinsic": "^1.0.2"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	}
+}
diff --git a/node_modules/call-bind/test/callBound.js b/node_modules/call-bind/test/callBound.js
new file mode 100644
index 000000000..209ce3cc3
--- /dev/null
+++ b/node_modules/call-bind/test/callBound.js
@@ -0,0 +1,55 @@
+'use strict';
+
+var test = require('tape');
+
+var callBound = require('../callBound');
+
+test('callBound', function (t) {
+	// static primitive
+	t.equal(callBound('Array.length'), Array.length, 'Array.length yields itself');
+	t.equal(callBound('%Array.length%'), Array.length, '%Array.length% yields itself');
+
+	// static non-function object
+	t.equal(callBound('Array.prototype'), Array.prototype, 'Array.prototype yields itself');
+	t.equal(callBound('%Array.prototype%'), Array.prototype, '%Array.prototype% yields itself');
+	t.equal(callBound('Array.constructor'), Array.constructor, 'Array.constructor yields itself');
+	t.equal(callBound('%Array.constructor%'), Array.constructor, '%Array.constructor% yields itself');
+
+	// static function
+	t.equal(callBound('Date.parse'), Date.parse, 'Date.parse yields itself');
+	t.equal(callBound('%Date.parse%'), Date.parse, '%Date.parse% yields itself');
+
+	// prototype primitive
+	t.equal(callBound('Error.prototype.message'), Error.prototype.message, 'Error.prototype.message yields itself');
+	t.equal(callBound('%Error.prototype.message%'), Error.prototype.message, '%Error.prototype.message% yields itself');
+
+	// prototype function
+	t.notEqual(callBound('Object.prototype.toString'), Object.prototype.toString, 'Object.prototype.toString does not yield itself');
+	t.notEqual(callBound('%Object.prototype.toString%'), Object.prototype.toString, '%Object.prototype.toString% does not yield itself');
+	t.equal(callBound('Object.prototype.toString')(true), Object.prototype.toString.call(true), 'call-bound Object.prototype.toString calls into the original');
+	t.equal(callBound('%Object.prototype.toString%')(true), Object.prototype.toString.call(true), 'call-bound %Object.prototype.toString% calls into the original');
+
+	t['throws'](
+		function () { callBound('does not exist'); },
+		SyntaxError,
+		'nonexistent intrinsic throws'
+	);
+	t['throws'](
+		function () { callBound('does not exist', true); },
+		SyntaxError,
+		'allowMissing arg still throws for unknown intrinsic'
+	);
+
+	/* globals WeakRef: false */
+	t.test('real but absent intrinsic', { skip: typeof WeakRef !== 'undefined' }, function (st) {
+		st['throws'](
+			function () { callBound('WeakRef'); },
+			TypeError,
+			'real but absent intrinsic throws'
+		);
+		st.equal(callBound('WeakRef', true), undefined, 'allowMissing arg avoids exception');
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/node_modules/call-bind/test/index.js b/node_modules/call-bind/test/index.js
new file mode 100644
index 000000000..bf6769c7c
--- /dev/null
+++ b/node_modules/call-bind/test/index.js
@@ -0,0 +1,66 @@
+'use strict';
+
+var callBind = require('../');
+var bind = require('function-bind');
+
+var test = require('tape');
+
+/*
+ * older engines have length nonconfigurable
+ * in io.js v3, it is configurable except on bound functions, hence the .bind()
+ */
+var functionsHaveConfigurableLengths = !!(
+	Object.getOwnPropertyDescriptor
+	&& Object.getOwnPropertyDescriptor(bind.call(function () {}), 'length').configurable
+);
+
+test('callBind', function (t) {
+	var sentinel = { sentinel: true };
+	var func = function (a, b) {
+		// eslint-disable-next-line no-invalid-this
+		return [this, a, b];
+	};
+	t.equal(func.length, 2, 'original function length is 2');
+	t.deepEqual(func(), [undefined, undefined, undefined], 'unbound func with too few args');
+	t.deepEqual(func(1, 2), [undefined, 1, 2], 'unbound func with right args');
+	t.deepEqual(func(1, 2, 3), [undefined, 1, 2], 'unbound func with too many args');
+
+	var bound = callBind(func);
+	t.equal(bound.length, func.length + 1, 'function length is preserved', { skip: !functionsHaveConfigurableLengths });
+	t.deepEqual(bound(), [undefined, undefined, undefined], 'bound func with too few args');
+	t.deepEqual(bound(1, 2), [1, 2, undefined], 'bound func with right args');
+	t.deepEqual(bound(1, 2, 3), [1, 2, 3], 'bound func with too many args');
+
+	var boundR = callBind(func, sentinel);
+	t.equal(boundR.length, func.length, 'function length is preserved', { skip: !functionsHaveConfigurableLengths });
+	t.deepEqual(boundR(), [sentinel, undefined, undefined], 'bound func with receiver, with too few args');
+	t.deepEqual(boundR(1, 2), [sentinel, 1, 2], 'bound func with receiver, with right args');
+	t.deepEqual(boundR(1, 2, 3), [sentinel, 1, 2], 'bound func with receiver, with too many args');
+
+	var boundArg = callBind(func, sentinel, 1);
+	t.equal(boundArg.length, func.length - 1, 'function length is preserved', { skip: !functionsHaveConfigurableLengths });
+	t.deepEqual(boundArg(), [sentinel, 1, undefined], 'bound func with receiver and arg, with too few args');
+	t.deepEqual(boundArg(2), [sentinel, 1, 2], 'bound func with receiver and arg, with right arg');
+	t.deepEqual(boundArg(2, 3), [sentinel, 1, 2], 'bound func with receiver and arg, with too many args');
+
+	t.test('callBind.apply', function (st) {
+		var aBound = callBind.apply(func);
+		st.deepEqual(aBound(sentinel), [sentinel, undefined, undefined], 'apply-bound func with no args');
+		st.deepEqual(aBound(sentinel, [1], 4), [sentinel, 1, undefined], 'apply-bound func with too few args');
+		st.deepEqual(aBound(sentinel, [1, 2], 4), [sentinel, 1, 2], 'apply-bound func with right args');
+
+		var aBoundArg = callBind.apply(func);
+		st.deepEqual(aBoundArg(sentinel, [1, 2, 3], 4), [sentinel, 1, 2], 'apply-bound func with too many args');
+		st.deepEqual(aBoundArg(sentinel, [1, 2], 4), [sentinel, 1, 2], 'apply-bound func with right args');
+		st.deepEqual(aBoundArg(sentinel, [1], 4), [sentinel, 1, undefined], 'apply-bound func with too few args');
+
+		var aBoundR = callBind.apply(func, sentinel);
+		st.deepEqual(aBoundR([1, 2, 3], 4), [sentinel, 1, 2], 'apply-bound func with receiver and too many args');
+		st.deepEqual(aBoundR([1, 2], 4), [sentinel, 1, 2], 'apply-bound func with receiver and right args');
+		st.deepEqual(aBoundR([1], 4), [sentinel, 1, undefined], 'apply-bound func with receiver and too few args');
+
+		st.end();
+	});
+
+	t.end();
+});
diff --git a/node_modules/caseless/LICENSE b/node_modules/caseless/LICENSE
new file mode 100644
index 000000000..61789f4a4
--- /dev/null
+++ b/node_modules/caseless/LICENSE
@@ -0,0 +1,28 @@
+Apache License
+Version 2.0, January 2004
+http://www.apache.org/licenses/
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+1. Definitions.
+"License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document.
+"Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License.
+"Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.
+"You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
+"Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files.
+"Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types.
+"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below).
+"Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof.
+"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
+"Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work.
+2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
+3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed.
+4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions:
+You must give any other recipients of the Work or Derivative Works a copy of this License; and
+You must cause any modified files to carry prominent notices stating that You changed the files; and
+You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and
+If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License. You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License.
+5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.
+6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.
+7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.
+8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.
+9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
+END OF TERMS AND CONDITIONS
\ No newline at end of file
diff --git a/node_modules/caseless/README.md b/node_modules/caseless/README.md
new file mode 100644
index 000000000..e5077a216
--- /dev/null
+++ b/node_modules/caseless/README.md
@@ -0,0 +1,45 @@
+## Caseless -- wrap an object to set and get property with caseless semantics but also preserve caseing.
+
+This library is incredibly useful when working with HTTP headers. It allows you to get/set/check for headers in a caseless manner while also preserving the caseing of headers the first time they are set.
+
+## Usage
+
+```javascript
+var headers = {}
+  , c = caseless(headers)
+  ;
+c.set('a-Header', 'asdf')
+c.get('a-header') === 'asdf'
+```
+
+## has(key)
+
+Has takes a name and if it finds a matching header will return that header name with the preserved caseing it was set with.
+
+```javascript
+c.has('a-header') === 'a-Header'
+```
+
+## set(key, value[, clobber=true])
+
+Set is fairly straight forward except that if the header exists and clobber is disabled it will add `','+value` to the existing header.
+
+```javascript
+c.set('a-Header', 'fdas')
+c.set('a-HEADER', 'more', false)
+c.get('a-header') === 'fdsa,more'
+```
+
+## swap(key)
+
+Swaps the casing of a header with the new one that is passed in.
+
+```javascript
+var headers = {}
+  , c = caseless(headers)
+  ;
+c.set('a-Header', 'fdas')
+c.swap('a-HEADER')
+c.has('a-header') === 'a-HEADER'
+headers === {'a-HEADER': 'fdas'}
+```
diff --git a/node_modules/caseless/index.js b/node_modules/caseless/index.js
new file mode 100644
index 000000000..b194734ee
--- /dev/null
+++ b/node_modules/caseless/index.js
@@ -0,0 +1,67 @@
+function Caseless (dict) {
+  this.dict = dict || {}
+}
+Caseless.prototype.set = function (name, value, clobber) {
+  if (typeof name === 'object') {
+    for (var i in name) {
+      this.set(i, name[i], value)
+    }
+  } else {
+    if (typeof clobber === 'undefined') clobber = true
+    var has = this.has(name)
+
+    if (!clobber && has) this.dict[has] = this.dict[has] + ',' + value
+    else this.dict[has || name] = value
+    return has
+  }
+}
+Caseless.prototype.has = function (name) {
+  var keys = Object.keys(this.dict)
+    , name = name.toLowerCase()
+    ;
+  for (var i=0;i<keys.length;i++) {
+    if (keys[i].toLowerCase() === name) return keys[i]
+  }
+  return false
+}
+Caseless.prototype.get = function (name) {
+  name = name.toLowerCase()
+  var result, _key
+  var headers = this.dict
+  Object.keys(headers).forEach(function (key) {
+    _key = key.toLowerCase()
+    if (name === _key) result = headers[key]
+  })
+  return result
+}
+Caseless.prototype.swap = function (name) {
+  var has = this.has(name)
+  if (has === name) return
+  if (!has) throw new Error('There is no header than matches "'+name+'"')
+  this.dict[name] = this.dict[has]
+  delete this.dict[has]
+}
+Caseless.prototype.del = function (name) {
+  var has = this.has(name)
+  return delete this.dict[has || name]
+}
+
+module.exports = function (dict) {return new Caseless(dict)}
+module.exports.httpify = function (resp, headers) {
+  var c = new Caseless(headers)
+  resp.setHeader = function (key, value, clobber) {
+    if (typeof value === 'undefined') return
+    return c.set(key, value, clobber)
+  }
+  resp.hasHeader = function (key) {
+    return c.has(key)
+  }
+  resp.getHeader = function (key) {
+    return c.get(key)
+  }
+  resp.removeHeader = function (key) {
+    return c.del(key)
+  }
+  resp.headers = c.dict
+  return c
+}
diff --git a/node_modules/caseless/package.json b/node_modules/caseless/package.json
new file mode 100644
index 000000000..408a6e169
--- /dev/null
+++ b/node_modules/caseless/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "caseless",
+  "version": "0.12.0",
+  "description": "Caseless object set/get/has, very useful when working with HTTP headers.",
+  "main": "index.js",
+  "scripts": {
+    "test": "node test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mikeal/caseless"
+  },
+  "keywords": [
+    "headers",
+    "http",
+    "caseless"
+  ],
+  "test": "node test.js",
+  "author": "Mikeal Rogers <mikeal.rogers@gmail.com>",
+  "license": "Apache-2.0",
+  "bugs": {
+    "url": "https://github.com/mikeal/caseless/issues"
+  },
+  "devDependencies": {
+    "tape": "^2.10.2"
+  }
+}
diff --git a/node_modules/caseless/test.js b/node_modules/caseless/test.js
new file mode 100644
index 000000000..f55196cc0
--- /dev/null
+++ b/node_modules/caseless/test.js
@@ -0,0 +1,67 @@
+var tape = require('tape')
+  , caseless = require('./')
+  ;
+
+tape('set get has', function (t) {
+  var headers = {}
+    , c = caseless(headers)
+    ;
+  t.plan(17)
+  c.set('a-Header', 'asdf')
+  t.equal(c.get('a-header'), 'asdf')
+  t.equal(c.has('a-header'), 'a-Header')
+  t.ok(!c.has('nothing'))
+  // old bug where we used the wrong regex
+  t.ok(!c.has('a-hea'))
+  c.set('a-header', 'fdsa')
+  t.equal(c.get('a-header'), 'fdsa')
+  t.equal(c.get('a-Header'), 'fdsa')
+  c.set('a-HEADER', 'more', false)
+  t.equal(c.get('a-header'), 'fdsa,more')
+
+  t.deepEqual(headers, {'a-Header': 'fdsa,more'})
+  c.swap('a-HEADER')
+  t.deepEqual(headers, {'a-HEADER': 'fdsa,more'})
+
+  c.set('deleteme', 'foobar')
+  t.ok(c.has('deleteme'))
+  t.ok(c.del('deleteme'))
+  t.notOk(c.has('deleteme'))
+  t.notOk(c.has('idonotexist'))
+  t.ok(c.del('idonotexist'))
+
+  c.set('tva', 'test1')
+  c.set('tva-header', 'test2')
+  t.equal(c.has('tva'), 'tva')
+  t.notOk(c.has('header'))
+
+  t.equal(c.get('tva'), 'test1')
+
+})
+
+tape('swap', function (t) {
+  var headers = {}
+    , c = caseless(headers)
+    ;
+  t.plan(4)
+  // No Header to Swap.
+  t.throws(function () {
+    c.swap('content-type')
+  })
+  // Set Header.
+  c.set('content-type', 'application/json')
+  // Swap Header With Itself.
+  c.swap('content-type')
+  // Does Not Delete Itself.
+  t.ok(c.has('content-type'))
+  // Swap Header With a Different Header.
+  c.swap('Content-Type')
+  // Still Has Header.
+  t.ok(c.has('Content-Type'))
+  // Delete Header.
+  c.del('Content-Type')
+  // No Header to Swap.
+  t.throws(function () {
+    c.swap('content-type')
+  })
+})
diff --git a/node_modules/combined-stream/License b/node_modules/combined-stream/License
new file mode 100644
index 000000000..4804b7ab4
--- /dev/null
+++ b/node_modules/combined-stream/License
@@ -0,0 +1,19 @@
+Copyright (c) 2011 Debuggable Limited <felix@debuggable.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/combined-stream/Readme.md b/node_modules/combined-stream/Readme.md
new file mode 100644
index 000000000..9e367b5bc
--- /dev/null
+++ b/node_modules/combined-stream/Readme.md
@@ -0,0 +1,138 @@
+# combined-stream
+
+A stream that emits multiple other streams one after another.
+
+**NB** Currently `combined-stream` works with streams version 1 only. There is ongoing effort to switch this library to streams version 2. Any help is welcome. :) Meanwhile you can explore other libraries that provide streams2 support with more or less compatibility with `combined-stream`.
+
+- [combined-stream2](https://www.npmjs.com/package/combined-stream2): A drop-in streams2-compatible replacement for the combined-stream module.
+
+- [multistream](https://www.npmjs.com/package/multistream): A stream that emits multiple other streams one after another.
+
+## Installation
+
+``` bash
+npm install combined-stream
+```
+
+## Usage
+
+Here is a simple example that shows how you can use combined-stream to combine
+two files into one:
+
+``` javascript
+var CombinedStream = require('combined-stream');
+var fs = require('fs');
+
+var combinedStream = CombinedStream.create();
+combinedStream.append(fs.createReadStream('file1.txt'));
+combinedStream.append(fs.createReadStream('file2.txt'));
+
+combinedStream.pipe(fs.createWriteStream('combined.txt'));
+```
+
+While the example above works great, it will pause all source streams until
+they are needed. If you don't want that to happen, you can set `pauseStreams`
+to `false`:
+
+``` javascript
+var CombinedStream = require('combined-stream');
+var fs = require('fs');
+
+var combinedStream = CombinedStream.create({pauseStreams: false});
+combinedStream.append(fs.createReadStream('file1.txt'));
+combinedStream.append(fs.createReadStream('file2.txt'));
+
+combinedStream.pipe(fs.createWriteStream('combined.txt'));
+```
+
+However, what if you don't have all the source streams yet, or you don't want
+to allocate the resources (file descriptors, memory, etc.) for them right away?
+Well, in that case you can simply provide a callback that supplies the stream
+by calling a `next()` function:
+
+``` javascript
+var CombinedStream = require('combined-stream');
+var fs = require('fs');
+
+var combinedStream = CombinedStream.create();
+combinedStream.append(function(next) {
+  next(fs.createReadStream('file1.txt'));
+});
+combinedStream.append(function(next) {
+  next(fs.createReadStream('file2.txt'));
+});
+
+combinedStream.pipe(fs.createWriteStream('combined.txt'));
+```
+
+## API
+
+### CombinedStream.create([options])
+
+Returns a new combined stream object. Available options are:
+
+* `maxDataSize`
+* `pauseStreams`
+
+The effect of those options is described below.
+
+### combinedStream.pauseStreams = `true`
+
+Whether to apply back pressure to the underlaying streams. If set to `false`,
+the underlaying streams will never be paused. If set to `true`, the
+underlaying streams will be paused right after being appended, as well as when
+`delayedStream.pipe()` wants to throttle.
+
+### combinedStream.maxDataSize = `2 * 1024 * 1024`
+
+The maximum amount of bytes (or characters) to buffer for all source streams.
+If this value is exceeded, `combinedStream` emits an `'error'` event.
+
+### combinedStream.dataSize = `0`
+
+The amount of bytes (or characters) currently buffered by `combinedStream`.
+
+### combinedStream.append(stream)
+
+Appends the given `stream` to the combinedStream object. If `pauseStreams` is
+set to `true, this stream will also be paused right away.
+
+`streams` can also be a function that takes one parameter called `next`. `next`
+is a function that must be invoked in order to provide the `next` stream, see
+example above.
+
+Regardless of how the `stream` is appended, combined-stream always attaches an
+`'error'` listener to it, so you don't have to do that manually.
+
+Special case: `stream` can also be a String or Buffer.
+
+### combinedStream.write(data)
+
+You should not call this, `combinedStream` takes care of piping the appended
+streams into itself for you.
+
+### combinedStream.resume()
+
+Causes `combinedStream` to start drain the streams it manages. The function is
+idempotent, and also emits a `'resume'` event each time which usually goes to
+the stream that is currently being drained.
+
+### combinedStream.pause();
+
+If `combinedStream.pauseStreams` is set to `false`, this does nothing.
+Otherwise a `'pause'` event is emitted, this goes to the stream that is
+currently being drained, so you can use it to apply back pressure.
+
+### combinedStream.end();
+
+Sets `combinedStream.writable` to false, emits an `'end'` event, and removes
+all streams from the queue.
+
+### combinedStream.destroy();
+
+Same as `combinedStream.end()`, except it emits a `'close'` event instead of
+`'end'`.
+
+## License
+
+combined-stream is licensed under the MIT license.
diff --git a/node_modules/combined-stream/lib/combined_stream.js b/node_modules/combined-stream/lib/combined_stream.js
new file mode 100644
index 000000000..125f097f3
--- /dev/null
+++ b/node_modules/combined-stream/lib/combined_stream.js
@@ -0,0 +1,208 @@
+var util = require('util');
+var Stream = require('stream').Stream;
+var DelayedStream = require('delayed-stream');
+
+module.exports = CombinedStream;
+function CombinedStream() {
+  this.writable = false;
+  this.readable = true;
+  this.dataSize = 0;
+  this.maxDataSize = 2 * 1024 * 1024;
+  this.pauseStreams = true;
+
+  this._released = false;
+  this._streams = [];
+  this._currentStream = null;
+  this._insideLoop = false;
+  this._pendingNext = false;
+}
+util.inherits(CombinedStream, Stream);
+
+CombinedStream.create = function(options) {
+  var combinedStream = new this();
+
+  options = options || {};
+  for (var option in options) {
+    combinedStream[option] = options[option];
+  }
+
+  return combinedStream;
+};
+
+CombinedStream.isStreamLike = function(stream) {
+  return (typeof stream !== 'function')
+    && (typeof stream !== 'string')
+    && (typeof stream !== 'boolean')
+    && (typeof stream !== 'number')
+    && (!Buffer.isBuffer(stream));
+};
+
+CombinedStream.prototype.append = function(stream) {
+  var isStreamLike = CombinedStream.isStreamLike(stream);
+
+  if (isStreamLike) {
+    if (!(stream instanceof DelayedStream)) {
+      var newStream = DelayedStream.create(stream, {
+        maxDataSize: Infinity,
+        pauseStream: this.pauseStreams,
+      });
+      stream.on('data', this._checkDataSize.bind(this));
+      stream = newStream;
+    }
+
+    this._handleErrors(stream);
+
+    if (this.pauseStreams) {
+      stream.pause();
+    }
+  }
+
+  this._streams.push(stream);
+  return this;
+};
+
+CombinedStream.prototype.pipe = function(dest, options) {
+  Stream.prototype.pipe.call(this, dest, options);
+  this.resume();
+  return dest;
+};
+
+CombinedStream.prototype._getNext = function() {
+  this._currentStream = null;
+
+  if (this._insideLoop) {
+    this._pendingNext = true;
+    return; // defer call
+  }
+
+  this._insideLoop = true;
+  try {
+    do {
+      this._pendingNext = false;
+      this._realGetNext();
+    } while (this._pendingNext);
+  } finally {
+    this._insideLoop = false;
+  }
+};
+
+CombinedStream.prototype._realGetNext = function() {
+  var stream = this._streams.shift();
+
+
+  if (typeof stream == 'undefined') {
+    this.end();
+    return;
+  }
+
+  if (typeof stream !== 'function') {
+    this._pipeNext(stream);
+    return;
+  }
+
+  var getStream = stream;
+  getStream(function(stream) {
+    var isStreamLike = CombinedStream.isStreamLike(stream);
+    if (isStreamLike) {
+      stream.on('data', this._checkDataSize.bind(this));
+      this._handleErrors(stream);
+    }
+
+    this._pipeNext(stream);
+  }.bind(this));
+};
+
+CombinedStream.prototype._pipeNext = function(stream) {
+  this._currentStream = stream;
+
+  var isStreamLike = CombinedStream.isStreamLike(stream);
+  if (isStreamLike) {
+    stream.on('end', this._getNext.bind(this));
+    stream.pipe(this, {end: false});
+    return;
+  }
+
+  var value = stream;
+  this.write(value);
+  this._getNext();
+};
+
+CombinedStream.prototype._handleErrors = function(stream) {
+  var self = this;
+  stream.on('error', function(err) {
+    self._emitError(err);
+  });
+};
+
+CombinedStream.prototype.write = function(data) {
+  this.emit('data', data);
+};
+
+CombinedStream.prototype.pause = function() {
+  if (!this.pauseStreams) {
+    return;
+  }
+
+  if(this.pauseStreams && this._currentStream && typeof(this._currentStream.pause) == 'function') this._currentStream.pause();
+  this.emit('pause');
+};
+
+CombinedStream.prototype.resume = function() {
+  if (!this._released) {
+    this._released = true;
+    this.writable = true;
+    this._getNext();
+  }
+
+  if(this.pauseStreams && this._currentStream && typeof(this._currentStream.resume) == 'function') this._currentStream.resume();
+  this.emit('resume');
+};
+
+CombinedStream.prototype.end = function() {
+  this._reset();
+  this.emit('end');
+};
+
+CombinedStream.prototype.destroy = function() {
+  this._reset();
+  this.emit('close');
+};
+
+CombinedStream.prototype._reset = function() {
+  this.writable = false;
+  this._streams = [];
+  this._currentStream = null;
+};
+
+CombinedStream.prototype._checkDataSize = function() {
+  this._updateDataSize();
+  if (this.dataSize <= this.maxDataSize) {
+    return;
+  }
+
+  var message =
+    'DelayedStream#maxDataSize of ' + this.maxDataSize + ' bytes exceeded.';
+  this._emitError(new Error(message));
+};
+
+CombinedStream.prototype._updateDataSize = function() {
+  this.dataSize = 0;
+
+  var self = this;
+  this._streams.forEach(function(stream) {
+    if (!stream.dataSize) {
+      return;
+    }
+
+    self.dataSize += stream.dataSize;
+  });
+
+  if (this._currentStream && this._currentStream.dataSize) {
+    this.dataSize += this._currentStream.dataSize;
+  }
+};
+
+CombinedStream.prototype._emitError = function(err) {
+  this._reset();
+  this.emit('error', err);
+};
diff --git a/node_modules/combined-stream/package.json b/node_modules/combined-stream/package.json
new file mode 100644
index 000000000..6982b6da1
--- /dev/null
+++ b/node_modules/combined-stream/package.json
@@ -0,0 +1,25 @@
+{
+  "author": "Felix Geisendörfer <felix@debuggable.com> (http://debuggable.com/)",
+  "name": "combined-stream",
+  "description": "A stream that emits multiple other streams one after another.",
+  "version": "1.0.8",
+  "homepage": "https://github.com/felixge/node-combined-stream",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/felixge/node-combined-stream.git"
+  },
+  "main": "./lib/combined_stream",
+  "scripts": {
+    "test": "node test/run.js"
+  },
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "dependencies": {
+    "delayed-stream": "~1.0.0"
+  },
+  "devDependencies": {
+    "far": "~0.0.7"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/combined-stream/yarn.lock b/node_modules/combined-stream/yarn.lock
new file mode 100644
index 000000000..7edf41840
--- /dev/null
+++ b/node_modules/combined-stream/yarn.lock
@@ -0,0 +1,17 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+delayed-stream@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
+
+far@~0.0.7:
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/far/-/far-0.0.7.tgz#01c1fd362bcd26ce9cf161af3938aa34619f79a7"
+  dependencies:
+    oop "0.0.3"
+
+oop@0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/oop/-/oop-0.0.3.tgz#70fa405a5650891a194fdc82ca68dad6dabf4401"
diff --git a/node_modules/connect-timeout/HISTORY.md b/node_modules/connect-timeout/HISTORY.md
new file mode 100644
index 000000000..8426f1425
--- /dev/null
+++ b/node_modules/connect-timeout/HISTORY.md
@@ -0,0 +1,120 @@
+1.9.0 / 2017-05-16
+==================
+
+  * deps: http-errors@~1.6.1
+    - Make `message` property enumerable for `HttpError`s
+    - deps: setprototypeof@1.0.3
+  * deps: ms@2.0.0
+
+1.8.0 / 2016-11-21
+==================
+
+  * Remove un-used debug dependency
+  * deps: http-errors@~1.5.1
+    - Add `HttpError` export, for `err instanceof createError.HttpError`
+    - Use `setprototypeof` module to replace `__proto__` setting
+    - deps: inherits@2.0.3
+    - deps: statuses@'>= 1.3.1 < 2'
+    - perf: enable strict mode
+  * deps: ms@0.7.2
+  * deps: on-headers@~1.0.1
+    - perf: enable strict mode
+
+1.7.0 / 2015-08-23
+==================
+
+  * Use `on-finished` instead of override socket destroy
+    - Addresses memory leaking on keep alive connections
+    - Ensures timers always get cleaned up
+  * perf: enable strict mode
+  * perf: remove argument reassignment
+  * perf: use standard option existence check
+
+1.6.2 / 2015-05-11
+==================
+
+  * deps: debug@~2.2.0
+    - deps: ms@0.7.1
+  * deps: ms@0.7.1
+    - Prevent extraordinarily long inputs
+
+1.6.1 / 2015-03-14
+==================
+
+  * deps: debug@~2.1.3
+    - Fix high intensity foreground color for bold
+    - deps: ms@0.7.0
+
+1.6.0 / 2015-02-15
+==================
+
+  * deps: http-errors@~1.3.1
+    - Construct errors using defined constructors from `createError`
+    - Fix error names that are not identifiers
+    - Set a meaningful `name` property on constructed errors
+
+1.5.0 / 2014-12-30
+==================
+
+  * deps: debug@~2.1.1
+  * deps: http-errors@~1.2.8
+    - Fix stack trace from exported function
+  * deps: ms@0.7.0
+    - Add `milliseconds`
+    - Add `msecs`
+    - Add `secs`
+    - Add `mins`
+    - Add `hrs`
+    - Add `yrs`
+
+1.4.0 / 2014-10-16
+==================
+
+  * Create errors with `http-errors`
+  * deps: debug@~2.1.0
+    - Implement `DEBUG_FD` env variable support
+
+1.3.0 / 2014-09-03
+==================
+
+  * deps: debug@~2.0.0
+
+1.2.2 / 2014-08-10
+==================
+
+  * deps: on-headers@~1.0.0
+
+1.2.1 / 2014-07-22
+==================
+
+  * deps: debug@1.0.4
+
+1.2.0 / 2014-07-11
+==================
+
+  * Accept string for `time` (converted by `ms`)
+  * deps: debug@1.0.3
+    - Add support for multiple wildcards in namespaces
+
+1.1.1 / 2014-06-16
+==================
+
+  * deps: debug@1.0.2
+
+1.1.0 / 2014-04-29
+==================
+
+  * Add `req.timedout` property
+  * Add `respond` option to constructor
+
+1.0.1 / 2014-04-28
+==================
+
+  * Clear timer on socket destroy
+  * Compatible with node.js 0.8
+  * deps: debug@0.8.1
+
+1.0.0 / 2014-03-05
+==================
+
+  * Genesis from `connect`
diff --git a/node_modules/connect-timeout/LICENSE b/node_modules/connect-timeout/LICENSE
new file mode 100644
index 000000000..386b7b694
--- /dev/null
+++ b/node_modules/connect-timeout/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2014-2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/connect-timeout/README.md b/node_modules/connect-timeout/README.md
new file mode 100644
index 000000000..69da8a6d3
--- /dev/null
+++ b/node_modules/connect-timeout/README.md
@@ -0,0 +1,168 @@
+# connect-timeout
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+[![Gratipay][gratipay-image]][gratipay-url]
+
+Times out a request in the Connect/Express application framework.
+
+## Install
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install connect-timeout
+```
+
+## API
+
+**NOTE** This module is not recommend as a "top-level" middleware (i.e.
+`app.use(timeout('5s'))`) unless you take precautions to halt your own
+middleware processing. See [as top-level middleware](#as-top-level-middleware)
+for how to use as a top-level middleware.
+
+While the library will emit a 'timeout' event when requests exceed the given
+timeout, node will continue processing the slow request until it terminates.
+Slow requests will continue to use CPU and memory, even if you are returning
+a HTTP response in the timeout callback. For better control over CPU/memory,
+you may need to find the events that are taking a long time (3rd party HTTP
+requests, disk I/O, database calls) and find a way to cancel them, and/or
+close the attached sockets.
+
+### timeout(time, [options])
+
+Returns middleware that times out in `time` milliseconds. `time` can also
+be a string accepted by the [ms](https://www.npmjs.org/package/ms#readme)
+module. On timeout, `req` will emit `"timeout"`.
+
+#### Options
+
+The `timeout` function takes an optional `options` object that may contain
+any of the following keys:
+
+##### respond
+
+Controls if this module will "respond" in the form of forwarding an error.
+If `true`, the timeout error is passed to `next()` so that you may customize
+the response behavior. This error has a `.timeout` property as well as
+`.status == 503`. This defaults to `true`.
+
+### req.clearTimeout()
+
+Clears the timeout on the request. The timeout is completely removed and
+will not fire for this request in the future.
+
+### req.timedout
+
+`true` if timeout fired; `false` otherwise.
+
+## Examples
+
+### as top-level middleware
+
+Because of the way middleware processing works, once this module
+passes the request to the next middleware (which it has to do in order
+for you to do work), it can no longer stop the flow, so you must take
+care to check if the request has timedout before you continue to act
+on the request.
+
+```javascript
+var bodyParser = require('body-parser')
+var cookieParser = require('cookie-parser')
+var express = require('express')
+var timeout = require('connect-timeout')
+
+// example of using this top-level; note the use of haltOnTimedout
+// after every middleware; it will stop the request flow on a timeout
+var app = express()
+app.use(timeout('5s'))
+app.use(bodyParser())
+app.use(haltOnTimedout)
+app.use(cookieParser())
+app.use(haltOnTimedout)
+
+// Add your routes here, etc.
+
+function haltOnTimedout (req, res, next) {
+  if (!req.timedout) next()
+}
+
+app.listen(3000)
+```
+
+### express 3.x
+
+```javascript
+var express = require('express')
+var bodyParser = require('body-parser')
+var timeout = require('connect-timeout')
+
+var app = express()
+app.post('/save', timeout('5s'), bodyParser.json(), haltOnTimedout, function (req, res, next) {
+  savePost(req.body, function (err, id) {
+    if (err) return next(err)
+    if (req.timedout) return
+    res.send('saved as id ' + id)
+  })
+})
+
+function haltOnTimedout (req, res, next) {
+  if (!req.timedout) next()
+}
+
+function savePost (post, cb) {
+  setTimeout(function () {
+    cb(null, ((Math.random() * 40000) >>> 0))
+  }, (Math.random() * 7000) >>> 0)
+}
+
+app.listen(3000)
+```
+
+### connect
+
+```javascript
+var bodyParser = require('body-parser')
+var connect = require('connect')
+var timeout = require('connect-timeout')
+
+var app = connect()
+app.use('/save', timeout('5s'), bodyParser.json(), haltOnTimedout, function (req, res, next) {
+  savePost(req.body, function (err, id) {
+    if (err) return next(err)
+    if (req.timedout) return
+    res.send('saved as id ' + id)
+  })
+})
+
+function haltOnTimedout (req, res, next) {
+  if (!req.timedout) next()
+}
+
+function savePost (post, cb) {
+  setTimeout(function () {
+    cb(null, ((Math.random() * 40000) >>> 0))
+  }, (Math.random() * 7000) >>> 0)
+}
+
+app.listen(3000)
+```
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/connect-timeout.svg
+[npm-url]: https://npmjs.org/package/connect-timeout
+[travis-image]: https://img.shields.io/travis/expressjs/timeout/master.svg
+[travis-url]: https://travis-ci.org/expressjs/timeout
+[coveralls-image]: https://img.shields.io/coveralls/expressjs/timeout/master.svg
+[coveralls-url]: https://coveralls.io/r/expressjs/timeout?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/connect-timeout.svg
+[downloads-url]: https://npmjs.org/package/connect-timeout
+[gratipay-image]: https://img.shields.io/gratipay/dougwilson.svg
+[gratipay-url]: https://www.gratipay.com/dougwilson/
diff --git a/node_modules/connect-timeout/index.js b/node_modules/connect-timeout/index.js
new file mode 100644
index 000000000..339cec46e
--- /dev/null
+++ b/node_modules/connect-timeout/index.js
@@ -0,0 +1,89 @@
+/*!
+ * connect-timeout
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var createError = require('http-errors')
+var ms = require('ms')
+var onFinished = require('on-finished')
+var onHeaders = require('on-headers')
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = timeout
+
+/**
+ * Create a new timeout middleware.
+ *
+ * @param {number|string} [time=5000] The timeout as a number of milliseconds or a string for `ms`
+ * @param {object} [options] Additional options for middleware
+ * @param {boolean} [options.respond=true] Automatically emit error when timeout reached
+ * @return {function} middleware
+ * @public
+ */
+
+function timeout (time, options) {
+  var opts = options || {}
+
+  var delay = typeof time === 'string'
+    ? ms(time)
+    : Number(time || 5000)
+
+  var respond = opts.respond === undefined || opts.respond === true
+
+  return function (req, res, next) {
+    var id = setTimeout(function () {
+      req.timedout = true
+      req.emit('timeout', delay)
+    }, delay)
+
+    if (respond) {
+      req.on('timeout', onTimeout(delay, next))
+    }
+
+    req.clearTimeout = function () {
+      clearTimeout(id)
+    }
+
+    req.timedout = false
+
+    onFinished(res, function () {
+      clearTimeout(id)
+    })
+
+    onHeaders(res, function () {
+      clearTimeout(id)
+    })
+
+    next()
+  }
+}
+
+/**
+ * Create timeout listener function.
+ *
+ * @param {number} delay
+ * @param {function} cb
+ * @private
+ */
+
+function onTimeout (delay, cb) {
+  return function () {
+    cb(createError(503, 'Response timeout', {
+      code: 'ETIMEDOUT',
+      timeout: delay
+    }))
+  }
+}
diff --git a/node_modules/connect-timeout/node_modules/depd/History.md b/node_modules/connect-timeout/node_modules/depd/History.md
new file mode 100644
index 000000000..507ecb8de
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/depd/History.md
@@ -0,0 +1,96 @@
+1.1.2 / 2018-01-11
+==================
+
+  * perf: remove argument reassignment
+  * Support Node.js 0.6 to 9.x
+
+1.1.1 / 2017-07-27
+==================
+
+  * Remove unnecessary `Buffer` loading
+  * Support Node.js 0.6 to 8.x
+
+1.1.0 / 2015-09-14
+==================
+
+  * Enable strict mode in more places
+  * Support io.js 3.x
+  * Support io.js 2.x
+  * Support web browser loading
+    - Requires bundler like Browserify or webpack
+
+1.0.1 / 2015-04-07
+==================
+
+  * Fix `TypeError`s when under `'use strict'` code
+  * Fix useless type name on auto-generated messages
+  * Support io.js 1.x
+  * Support Node.js 0.12
+
+1.0.0 / 2014-09-17
+==================
+
+  * No changes
+
+0.4.5 / 2014-09-09
+==================
+
+  * Improve call speed to functions using the function wrapper
+  * Support Node.js 0.6
+
+0.4.4 / 2014-07-27
+==================
+
+  * Work-around v8 generating empty stack traces
+
+0.4.3 / 2014-07-26
+==================
+
+  * Fix exception when global `Error.stackTraceLimit` is too low
+
+0.4.2 / 2014-07-19
+==================
+
+  * Correct call site for wrapped functions and properties
+
+0.4.1 / 2014-07-19
+==================
+
+  * Improve automatic message generation for function properties
+
+0.4.0 / 2014-07-19
+==================
+
+  * Add `TRACE_DEPRECATION` environment variable
+  * Remove non-standard grey color from color output
+  * Support `--no-deprecation` argument
+  * Support `--trace-deprecation` argument
+  * Support `deprecate.property(fn, prop, message)`
+
+0.3.0 / 2014-06-16
+==================
+
+  * Add `NO_DEPRECATION` environment variable
+
+0.2.0 / 2014-06-15
+==================
+
+  * Add `deprecate.property(obj, prop, message)`
+  * Remove `supports-color` dependency for node.js 0.8
+
+0.1.0 / 2014-06-15
+==================
+
+  * Add `deprecate.function(fn, message)`
+  * Add `process.on('deprecation', fn)` emitter
+  * Automatically generate message when omitted from `deprecate()`
+
+0.0.1 / 2014-06-15
+==================
+
+  * Fix warning for dynamic calls at singe call site
+
+0.0.0 / 2014-06-15
+==================
+
+  * Initial implementation
diff --git a/node_modules/connect-timeout/node_modules/depd/LICENSE b/node_modules/connect-timeout/node_modules/depd/LICENSE
new file mode 100644
index 000000000..84441fbb5
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/depd/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2014-2017 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/connect-timeout/node_modules/depd/Readme.md b/node_modules/connect-timeout/node_modules/depd/Readme.md
new file mode 100644
index 000000000..779067020
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/depd/Readme.md
@@ -0,0 +1,280 @@
+# depd
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-image]][node-url]
+[![Linux Build][travis-image]][travis-url]
+[![Windows Build][appveyor-image]][appveyor-url]
+[![Coverage Status][coveralls-image]][coveralls-url]
+
+Deprecate all the things
+
+> With great modules comes great responsibility; mark things deprecated!
+
+## Install
+
+This module is installed directly using `npm`:
+
+```sh
+$ npm install depd
+```
+
+This module can also be bundled with systems like
+[Browserify](http://browserify.org/) or [webpack](https://webpack.github.io/),
+though by default this module will alter it's API to no longer display or
+track deprecations.
+
+## API
+
+<!-- eslint-disable no-unused-vars -->
+
+```js
+var deprecate = require('depd')('my-module')
+```
+
+This library allows you to display deprecation messages to your users.
+This library goes above and beyond with deprecation warnings by
+introspection of the call stack (but only the bits that it is interested
+in).
+
+Instead of just warning on the first invocation of a deprecated
+function and never again, this module will warn on the first invocation
+of a deprecated function per unique call site, making it ideal to alert
+users of all deprecated uses across the code base, rather than just
+whatever happens to execute first.
+
+The deprecation warnings from this module also include the file and line
+information for the call into the module that the deprecated function was
+in.
+
+**NOTE** this library has a similar interface to the `debug` module, and
+this module uses the calling file to get the boundary for the call stacks,
+so you should always create a new `deprecate` object in each file and not
+within some central file.
+
+### depd(namespace)
+
+Create a new deprecate function that uses the given namespace name in the
+messages and will display the call site prior to the stack entering the
+file this function was called from. It is highly suggested you use the
+name of your module as the namespace.
+
+### deprecate(message)
+
+Call this function from deprecated code to display a deprecation message.
+This message will appear once per unique caller site. Caller site is the
+first call site in the stack in a different file from the caller of this
+function.
+
+If the message is omitted, a message is generated for you based on the site
+of the `deprecate()` call and will display the name of the function called,
+similar to the name displayed in a stack trace.
+
+### deprecate.function(fn, message)
+
+Call this function to wrap a given function in a deprecation message on any
+call to the function. An optional message can be supplied to provide a custom
+message.
+
+### deprecate.property(obj, prop, message)
+
+Call this function to wrap a given property on object in a deprecation message
+on any accessing or setting of the property. An optional message can be supplied
+to provide a custom message.
+
+The method must be called on the object where the property belongs (not
+inherited from the prototype).
+
+If the property is a data descriptor, it will be converted to an accessor
+descriptor in order to display the deprecation message.
+
+### process.on('deprecation', fn)
+
+This module will allow easy capturing of deprecation errors by emitting the
+errors as the type "deprecation" on the global `process`. If there are no
+listeners for this type, the errors are written to STDERR as normal, but if
+there are any listeners, nothing will be written to STDERR and instead only
+emitted. From there, you can write the errors in a different format or to a
+logging source.
+
+The error represents the deprecation and is emitted only once with the same
+rules as writing to STDERR. The error has the following properties:
+
+  - `message` - This is the message given by the library
+  - `name` - This is always `'DeprecationError'`
+  - `namespace` - This is the namespace the deprecation came from
+  - `stack` - This is the stack of the call to the deprecated thing
+
+Example `error.stack` output:
+
+```
+DeprecationError: my-cool-module deprecated oldfunction
+    at Object.<anonymous> ([eval]-wrapper:6:22)
+    at Module._compile (module.js:456:26)
+    at evalScript (node.js:532:25)
+    at startup (node.js:80:7)
+    at node.js:902:3
+```
+
+### process.env.NO_DEPRECATION
+
+As a user of modules that are deprecated, the environment variable `NO_DEPRECATION`
+is provided as a quick solution to silencing deprecation warnings from being
+output. The format of this is similar to that of `DEBUG`:
+
+```sh
+$ NO_DEPRECATION=my-module,othermod node app.js
+```
+
+This will suppress deprecations from being output for "my-module" and "othermod".
+The value is a list of comma-separated namespaces. To suppress every warning
+across all namespaces, use the value `*` for a namespace.
+
+Providing the argument `--no-deprecation` to the `node` executable will suppress
+all deprecations (only available in Node.js 0.8 or higher).
+
+**NOTE** This will not suppress the deperecations given to any "deprecation"
+event listeners, just the output to STDERR.
+
+### process.env.TRACE_DEPRECATION
+
+As a user of modules that are deprecated, the environment variable `TRACE_DEPRECATION`
+is provided as a solution to getting more detailed location information in deprecation
+warnings by including the entire stack trace. The format of this is the same as
+`NO_DEPRECATION`:
+
+```sh
+$ TRACE_DEPRECATION=my-module,othermod node app.js
+```
+
+This will include stack traces for deprecations being output for "my-module" and
+"othermod". The value is a list of comma-separated namespaces. To trace every
+warning across all namespaces, use the value `*` for a namespace.
+
+Providing the argument `--trace-deprecation` to the `node` executable will trace
+all deprecations (only available in Node.js 0.8 or higher).
+
+**NOTE** This will not trace the deperecations silenced by `NO_DEPRECATION`.
+
+## Display
+
+![message](files/message.png)
+
+When a user calls a function in your library that you mark deprecated, they
+will see the following written to STDERR (in the given colors, similar colors
+and layout to the `debug` module):
+
+```
+bright cyan    bright yellow
+|              |          reset       cyan
+|              |          |           |
+▼              ▼          ▼           ▼
+my-cool-module deprecated oldfunction [eval]-wrapper:6:22
+▲              ▲          ▲           ▲
+|              |          |           |
+namespace      |          |           location of mycoolmod.oldfunction() call
+               |          deprecation message
+               the word "deprecated"
+```
+
+If the user redirects their STDERR to a file or somewhere that does not support
+colors, they see (similar layout to the `debug` module):
+
+```
+Sun, 15 Jun 2014 05:21:37 GMT my-cool-module deprecated oldfunction at [eval]-wrapper:6:22
+▲                             ▲              ▲          ▲              ▲
+|                             |              |          |              |
+timestamp of message          namespace      |          |             location of mycoolmod.oldfunction() call
+                                             |          deprecation message
+                                             the word "deprecated"
+```
+
+## Examples
+
+### Deprecating all calls to a function
+
+This will display a deprecated message about "oldfunction" being deprecated
+from "my-module" on STDERR.
+
+```js
+var deprecate = require('depd')('my-cool-module')
+
+// message automatically derived from function name
+// Object.oldfunction
+exports.oldfunction = deprecate.function(function oldfunction () {
+  // all calls to function are deprecated
+})
+
+// specific message
+exports.oldfunction = deprecate.function(function () {
+  // all calls to function are deprecated
+}, 'oldfunction')
+```
+
+### Conditionally deprecating a function call
+
+This will display a deprecated message about "weirdfunction" being deprecated
+from "my-module" on STDERR when called with less than 2 arguments.
+
+```js
+var deprecate = require('depd')('my-cool-module')
+
+exports.weirdfunction = function () {
+  if (arguments.length < 2) {
+    // calls with 0 or 1 args are deprecated
+    deprecate('weirdfunction args < 2')
+  }
+}
+```
+
+When calling `deprecate` as a function, the warning is counted per call site
+within your own module, so you can display different deprecations depending
+on different situations and the users will still get all the warnings:
+
+```js
+var deprecate = require('depd')('my-cool-module')
+
+exports.weirdfunction = function () {
+  if (arguments.length < 2) {
+    // calls with 0 or 1 args are deprecated
+    deprecate('weirdfunction args < 2')
+  } else if (typeof arguments[0] !== 'string') {
+    // calls with non-string first argument are deprecated
+    deprecate('weirdfunction non-string first arg')
+  }
+}
+```
+
+### Deprecating property access
+
+This will display a deprecated message about "oldprop" being deprecated
+from "my-module" on STDERR when accessed. A deprecation will be displayed
+when setting the value and when getting the value.
+
+```js
+var deprecate = require('depd')('my-cool-module')
+
+exports.oldprop = 'something'
+
+// message automatically derives from property name
+deprecate.property(exports, 'oldprop')
+
+// explicit message
+deprecate.property(exports, 'oldprop', 'oldprop >= 0.10')
+```
+
+## License
+
+[MIT](LICENSE)
+
+[npm-version-image]: https://img.shields.io/npm/v/depd.svg
+[npm-downloads-image]: https://img.shields.io/npm/dm/depd.svg
+[npm-url]: https://npmjs.org/package/depd
+[travis-image]: https://img.shields.io/travis/dougwilson/nodejs-depd/master.svg?label=linux
+[travis-url]: https://travis-ci.org/dougwilson/nodejs-depd
+[appveyor-image]: https://img.shields.io/appveyor/ci/dougwilson/nodejs-depd/master.svg?label=windows
+[appveyor-url]: https://ci.appveyor.com/project/dougwilson/nodejs-depd
+[coveralls-image]: https://img.shields.io/coveralls/dougwilson/nodejs-depd/master.svg
+[coveralls-url]: https://coveralls.io/r/dougwilson/nodejs-depd?branch=master
+[node-image]: https://img.shields.io/node/v/depd.svg
+[node-url]: https://nodejs.org/en/download/
diff --git a/node_modules/connect-timeout/node_modules/depd/index.js b/node_modules/connect-timeout/node_modules/depd/index.js
new file mode 100644
index 000000000..d758d3c8f
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/depd/index.js
@@ -0,0 +1,522 @@
+/*!
+ * depd
+ * Copyright(c) 2014-2017 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var callSiteToString = require('./lib/compat').callSiteToString
+var eventListenerCount = require('./lib/compat').eventListenerCount
+var relative = require('path').relative
+
+/**
+ * Module exports.
+ */
+
+module.exports = depd
+
+/**
+ * Get the path to base files on.
+ */
+
+var basePath = process.cwd()
+
+/**
+ * Determine if namespace is contained in the string.
+ */
+
+function containsNamespace (str, namespace) {
+  var vals = str.split(/[ ,]+/)
+  var ns = String(namespace).toLowerCase()
+
+  for (var i = 0; i < vals.length; i++) {
+    var val = vals[i]
+
+    // namespace contained
+    if (val && (val === '*' || val.toLowerCase() === ns)) {
+      return true
+    }
+  }
+
+  return false
+}
+
+/**
+ * Convert a data descriptor to accessor descriptor.
+ */
+
+function convertDataDescriptorToAccessor (obj, prop, message) {
+  var descriptor = Object.getOwnPropertyDescriptor(obj, prop)
+  var value = descriptor.value
+
+  descriptor.get = function getter () { return value }
+
+  if (descriptor.writable) {
+    descriptor.set = function setter (val) { return (value = val) }
+  }
+
+  delete descriptor.value
+  delete descriptor.writable
+
+  Object.defineProperty(obj, prop, descriptor)
+
+  return descriptor
+}
+
+/**
+ * Create arguments string to keep arity.
+ */
+
+function createArgumentsString (arity) {
+  var str = ''
+
+  for (var i = 0; i < arity; i++) {
+    str += ', arg' + i
+  }
+
+  return str.substr(2)
+}
+
+/**
+ * Create stack string from stack.
+ */
+
+function createStackString (stack) {
+  var str = this.name + ': ' + this.namespace
+
+  if (this.message) {
+    str += ' deprecated ' + this.message
+  }
+
+  for (var i = 0; i < stack.length; i++) {
+    str += '\n    at ' + callSiteToString(stack[i])
+  }
+
+  return str
+}
+
+/**
+ * Create deprecate for namespace in caller.
+ */
+
+function depd (namespace) {
+  if (!namespace) {
+    throw new TypeError('argument namespace is required')
+  }
+
+  var stack = getStack()
+  var site = callSiteLocation(stack[1])
+  var file = site[0]
+
+  function deprecate (message) {
+    // call to self as log
+    log.call(deprecate, message)
+  }
+
+  deprecate._file = file
+  deprecate._ignored = isignored(namespace)
+  deprecate._namespace = namespace
+  deprecate._traced = istraced(namespace)
+  deprecate._warned = Object.create(null)
+
+  deprecate.function = wrapfunction
+  deprecate.property = wrapproperty
+
+  return deprecate
+}
+
+/**
+ * Determine if namespace is ignored.
+ */
+
+function isignored (namespace) {
+  /* istanbul ignore next: tested in a child processs */
+  if (process.noDeprecation) {
+    // --no-deprecation support
+    return true
+  }
+
+  var str = process.env.NO_DEPRECATION || ''
+
+  // namespace ignored
+  return containsNamespace(str, namespace)
+}
+
+/**
+ * Determine if namespace is traced.
+ */
+
+function istraced (namespace) {
+  /* istanbul ignore next: tested in a child processs */
+  if (process.traceDeprecation) {
+    // --trace-deprecation support
+    return true
+  }
+
+  var str = process.env.TRACE_DEPRECATION || ''
+
+  // namespace traced
+  return containsNamespace(str, namespace)
+}
+
+/**
+ * Display deprecation message.
+ */
+
+function log (message, site) {
+  var haslisteners = eventListenerCount(process, 'deprecation') !== 0
+
+  // abort early if no destination
+  if (!haslisteners && this._ignored) {
+    return
+  }
+
+  var caller
+  var callFile
+  var callSite
+  var depSite
+  var i = 0
+  var seen = false
+  var stack = getStack()
+  var file = this._file
+
+  if (site) {
+    // provided site
+    depSite = site
+    callSite = callSiteLocation(stack[1])
+    callSite.name = depSite.name
+    file = callSite[0]
+  } else {
+    // get call site
+    i = 2
+    depSite = callSiteLocation(stack[i])
+    callSite = depSite
+  }
+
+  // get caller of deprecated thing in relation to file
+  for (; i < stack.length; i++) {
+    caller = callSiteLocation(stack[i])
+    callFile = caller[0]
+
+    if (callFile === file) {
+      seen = true
+    } else if (callFile === this._file) {
+      file = this._file
+    } else if (seen) {
+      break
+    }
+  }
+
+  var key = caller
+    ? depSite.join(':') + '__' + caller.join(':')
+    : undefined
+
+  if (key !== undefined && key in this._warned) {
+    // already warned
+    return
+  }
+
+  this._warned[key] = true
+
+  // generate automatic message from call site
+  var msg = message
+  if (!msg) {
+    msg = callSite === depSite || !callSite.name
+      ? defaultMessage(depSite)
+      : defaultMessage(callSite)
+  }
+
+  // emit deprecation if listeners exist
+  if (haslisteners) {
+    var err = DeprecationError(this._namespace, msg, stack.slice(i))
+    process.emit('deprecation', err)
+    return
+  }
+
+  // format and write message
+  var format = process.stderr.isTTY
+    ? formatColor
+    : formatPlain
+  var output = format.call(this, msg, caller, stack.slice(i))
+  process.stderr.write(output + '\n', 'utf8')
+}
+
+/**
+ * Get call site location as array.
+ */
+
+function callSiteLocation (callSite) {
+  var file = callSite.getFileName() || '<anonymous>'
+  var line = callSite.getLineNumber()
+  var colm = callSite.getColumnNumber()
+
+  if (callSite.isEval()) {
+    file = callSite.getEvalOrigin() + ', ' + file
+  }
+
+  var site = [file, line, colm]
+
+  site.callSite = callSite
+  site.name = callSite.getFunctionName()
+
+  return site
+}
+
+/**
+ * Generate a default message from the site.
+ */
+
+function defaultMessage (site) {
+  var callSite = site.callSite
+  var funcName = site.name
+
+  // make useful anonymous name
+  if (!funcName) {
+    funcName = '<anonymous@' + formatLocation(site) + '>'
+  }
+
+  var context = callSite.getThis()
+  var typeName = context && callSite.getTypeName()
+
+  // ignore useless type name
+  if (typeName === 'Object') {
+    typeName = undefined
+  }
+
+  // make useful type name
+  if (typeName === 'Function') {
+    typeName = context.name || typeName
+  }
+
+  return typeName && callSite.getMethodName()
+    ? typeName + '.' + funcName
+    : funcName
+}
+
+/**
+ * Format deprecation message without color.
+ */
+
+function formatPlain (msg, caller, stack) {
+  var timestamp = new Date().toUTCString()
+
+  var formatted = timestamp +
+    ' ' + this._namespace +
+    ' deprecated ' + msg
+
+  // add stack trace
+  if (this._traced) {
+    for (var i = 0; i < stack.length; i++) {
+      formatted += '\n    at ' + callSiteToString(stack[i])
+    }
+
+    return formatted
+  }
+
+  if (caller) {
+    formatted += ' at ' + formatLocation(caller)
+  }
+
+  return formatted
+}
+
+/**
+ * Format deprecation message with color.
+ */
+
+function formatColor (msg, caller, stack) {
+  var formatted = '\x1b[36;1m' + this._namespace + '\x1b[22;39m' + // bold cyan
+    ' \x1b[33;1mdeprecated\x1b[22;39m' + // bold yellow
+    ' \x1b[0m' + msg + '\x1b[39m' // reset
+
+  // add stack trace
+  if (this._traced) {
+    for (var i = 0; i < stack.length; i++) {
+      formatted += '\n    \x1b[36mat ' + callSiteToString(stack[i]) + '\x1b[39m' // cyan
+    }
+
+    return formatted
+  }
+
+  if (caller) {
+    formatted += ' \x1b[36m' + formatLocation(caller) + '\x1b[39m' // cyan
+  }
+
+  return formatted
+}
+
+/**
+ * Format call site location.
+ */
+
+function formatLocation (callSite) {
+  return relative(basePath, callSite[0]) +
+    ':' + callSite[1] +
+    ':' + callSite[2]
+}
+
+/**
+ * Get the stack as array of call sites.
+ */
+
+function getStack () {
+  var limit = Error.stackTraceLimit
+  var obj = {}
+  var prep = Error.prepareStackTrace
+
+  Error.prepareStackTrace = prepareObjectStackTrace
+  Error.stackTraceLimit = Math.max(10, limit)
+
+  // capture the stack
+  Error.captureStackTrace(obj)
+
+  // slice this function off the top
+  var stack = obj.stack.slice(1)
+
+  Error.prepareStackTrace = prep
+  Error.stackTraceLimit = limit
+
+  return stack
+}
+
+/**
+ * Capture call site stack from v8.
+ */
+
+function prepareObjectStackTrace (obj, stack) {
+  return stack
+}
+
+/**
+ * Return a wrapped function in a deprecation message.
+ */
+
+function wrapfunction (fn, message) {
+  if (typeof fn !== 'function') {
+    throw new TypeError('argument fn must be a function')
+  }
+
+  var args = createArgumentsString(fn.length)
+  var deprecate = this // eslint-disable-line no-unused-vars
+  var stack = getStack()
+  var site = callSiteLocation(stack[1])
+
+  site.name = fn.name
+
+   // eslint-disable-next-line no-eval
+  var deprecatedfn = eval('(function (' + args + ') {\n' +
+    '"use strict"\n' +
+    'log.call(deprecate, message, site)\n' +
+    'return fn.apply(this, arguments)\n' +
+    '})')
+
+  return deprecatedfn
+}
+
+/**
+ * Wrap property in a deprecation message.
+ */
+
+function wrapproperty (obj, prop, message) {
+  if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
+    throw new TypeError('argument obj must be object')
+  }
+
+  var descriptor = Object.getOwnPropertyDescriptor(obj, prop)
+
+  if (!descriptor) {
+    throw new TypeError('must call property on owner object')
+  }
+
+  if (!descriptor.configurable) {
+    throw new TypeError('property must be configurable')
+  }
+
+  var deprecate = this
+  var stack = getStack()
+  var site = callSiteLocation(stack[1])
+
+  // set site name
+  site.name = prop
+
+  // convert data descriptor
+  if ('value' in descriptor) {
+    descriptor = convertDataDescriptorToAccessor(obj, prop, message)
+  }
+
+  var get = descriptor.get
+  var set = descriptor.set
+
+  // wrap getter
+  if (typeof get === 'function') {
+    descriptor.get = function getter () {
+      log.call(deprecate, message, site)
+      return get.apply(this, arguments)
+    }
+  }
+
+  // wrap setter
+  if (typeof set === 'function') {
+    descriptor.set = function setter () {
+      log.call(deprecate, message, site)
+      return set.apply(this, arguments)
+    }
+  }
+
+  Object.defineProperty(obj, prop, descriptor)
+}
+
+/**
+ * Create DeprecationError for deprecation
+ */
+
+function DeprecationError (namespace, message, stack) {
+  var error = new Error()
+  var stackString
+
+  Object.defineProperty(error, 'constructor', {
+    value: DeprecationError
+  })
+
+  Object.defineProperty(error, 'message', {
+    configurable: true,
+    enumerable: false,
+    value: message,
+    writable: true
+  })
+
+  Object.defineProperty(error, 'name', {
+    enumerable: false,
+    configurable: true,
+    value: 'DeprecationError',
+    writable: true
+  })
+
+  Object.defineProperty(error, 'namespace', {
+    configurable: true,
+    enumerable: false,
+    value: namespace,
+    writable: true
+  })
+
+  Object.defineProperty(error, 'stack', {
+    configurable: true,
+    enumerable: false,
+    get: function () {
+      if (stackString !== undefined) {
+        return stackString
+      }
+
+      // prepare stack trace
+      return (stackString = createStackString.call(this, stack))
+    },
+    set: function setter (val) {
+      stackString = val
+    }
+  })
+
+  return error
+}
diff --git a/node_modules/connect-timeout/node_modules/depd/lib/browser/index.js b/node_modules/connect-timeout/node_modules/depd/lib/browser/index.js
new file mode 100644
index 000000000..6be45cc20
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/depd/lib/browser/index.js
@@ -0,0 +1,77 @@
+/*!
+ * depd
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = depd
+
+/**
+ * Create deprecate for namespace in caller.
+ */
+
+function depd (namespace) {
+  if (!namespace) {
+    throw new TypeError('argument namespace is required')
+  }
+
+  function deprecate (message) {
+    // no-op in browser
+  }
+
+  deprecate._file = undefined
+  deprecate._ignored = true
+  deprecate._namespace = namespace
+  deprecate._traced = false
+  deprecate._warned = Object.create(null)
+
+  deprecate.function = wrapfunction
+  deprecate.property = wrapproperty
+
+  return deprecate
+}
+
+/**
+ * Return a wrapped function in a deprecation message.
+ *
+ * This is a no-op version of the wrapper, which does nothing but call
+ * validation.
+ */
+
+function wrapfunction (fn, message) {
+  if (typeof fn !== 'function') {
+    throw new TypeError('argument fn must be a function')
+  }
+
+  return fn
+}
+
+/**
+ * Wrap property in a deprecation message.
+ *
+ * This is a no-op version of the wrapper, which does nothing but call
+ * validation.
+ */
+
+function wrapproperty (obj, prop, message) {
+  if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
+    throw new TypeError('argument obj must be object')
+  }
+
+  var descriptor = Object.getOwnPropertyDescriptor(obj, prop)
+
+  if (!descriptor) {
+    throw new TypeError('must call property on owner object')
+  }
+
+  if (!descriptor.configurable) {
+    throw new TypeError('property must be configurable')
+  }
+}
diff --git a/node_modules/connect-timeout/node_modules/depd/lib/compat/callsite-tostring.js b/node_modules/connect-timeout/node_modules/depd/lib/compat/callsite-tostring.js
new file mode 100644
index 000000000..73186dc64
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/depd/lib/compat/callsite-tostring.js
@@ -0,0 +1,103 @@
+/*!
+ * depd
+ * Copyright(c) 2014 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ */
+
+module.exports = callSiteToString
+
+/**
+ * Format a CallSite file location to a string.
+ */
+
+function callSiteFileLocation (callSite) {
+  var fileName
+  var fileLocation = ''
+
+  if (callSite.isNative()) {
+    fileLocation = 'native'
+  } else if (callSite.isEval()) {
+    fileName = callSite.getScriptNameOrSourceURL()
+    if (!fileName) {
+      fileLocation = callSite.getEvalOrigin()
+    }
+  } else {
+    fileName = callSite.getFileName()
+  }
+
+  if (fileName) {
+    fileLocation += fileName
+
+    var lineNumber = callSite.getLineNumber()
+    if (lineNumber != null) {
+      fileLocation += ':' + lineNumber
+
+      var columnNumber = callSite.getColumnNumber()
+      if (columnNumber) {
+        fileLocation += ':' + columnNumber
+      }
+    }
+  }
+
+  return fileLocation || 'unknown source'
+}
+
+/**
+ * Format a CallSite to a string.
+ */
+
+function callSiteToString (callSite) {
+  var addSuffix = true
+  var fileLocation = callSiteFileLocation(callSite)
+  var functionName = callSite.getFunctionName()
+  var isConstructor = callSite.isConstructor()
+  var isMethodCall = !(callSite.isToplevel() || isConstructor)
+  var line = ''
+
+  if (isMethodCall) {
+    var methodName = callSite.getMethodName()
+    var typeName = getConstructorName(callSite)
+
+    if (functionName) {
+      if (typeName && functionName.indexOf(typeName) !== 0) {
+        line += typeName + '.'
+      }
+
+      line += functionName
+
+      if (methodName && functionName.lastIndexOf('.' + methodName) !== functionName.length - methodName.length - 1) {
+        line += ' [as ' + methodName + ']'
+      }
+    } else {
+      line += typeName + '.' + (methodName || '<anonymous>')
+    }
+  } else if (isConstructor) {
+    line += 'new ' + (functionName || '<anonymous>')
+  } else if (functionName) {
+    line += functionName
+  } else {
+    addSuffix = false
+    line += fileLocation
+  }
+
+  if (addSuffix) {
+    line += ' (' + fileLocation + ')'
+  }
+
+  return line
+}
+
+/**
+ * Get constructor name of reviver.
+ */
+
+function getConstructorName (obj) {
+  var receiver = obj.receiver
+  return (receiver.constructor && receiver.constructor.name) || null
+}
diff --git a/node_modules/connect-timeout/node_modules/depd/lib/compat/event-listener-count.js b/node_modules/connect-timeout/node_modules/depd/lib/compat/event-listener-count.js
new file mode 100644
index 000000000..3a8925d13
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/depd/lib/compat/event-listener-count.js
@@ -0,0 +1,22 @@
+/*!
+ * depd
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = eventListenerCount
+
+/**
+ * Get the count of listeners on an event emitter of a specific type.
+ */
+
+function eventListenerCount (emitter, type) {
+  return emitter.listeners(type).length
+}
diff --git a/node_modules/connect-timeout/node_modules/depd/lib/compat/index.js b/node_modules/connect-timeout/node_modules/depd/lib/compat/index.js
new file mode 100644
index 000000000..955b3336b
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/depd/lib/compat/index.js
@@ -0,0 +1,79 @@
+/*!
+ * depd
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var EventEmitter = require('events').EventEmitter
+
+/**
+ * Module exports.
+ * @public
+ */
+
+lazyProperty(module.exports, 'callSiteToString', function callSiteToString () {
+  var limit = Error.stackTraceLimit
+  var obj = {}
+  var prep = Error.prepareStackTrace
+
+  function prepareObjectStackTrace (obj, stack) {
+    return stack
+  }
+
+  Error.prepareStackTrace = prepareObjectStackTrace
+  Error.stackTraceLimit = 2
+
+  // capture the stack
+  Error.captureStackTrace(obj)
+
+  // slice the stack
+  var stack = obj.stack.slice()
+
+  Error.prepareStackTrace = prep
+  Error.stackTraceLimit = limit
+
+  return stack[0].toString ? toString : require('./callsite-tostring')
+})
+
+lazyProperty(module.exports, 'eventListenerCount', function eventListenerCount () {
+  return EventEmitter.listenerCount || require('./event-listener-count')
+})
+
+/**
+ * Define a lazy property.
+ */
+
+function lazyProperty (obj, prop, getter) {
+  function get () {
+    var val = getter()
+
+    Object.defineProperty(obj, prop, {
+      configurable: true,
+      enumerable: true,
+      value: val
+    })
+
+    return val
+  }
+
+  Object.defineProperty(obj, prop, {
+    configurable: true,
+    enumerable: true,
+    get: get
+  })
+}
+
+/**
+ * Call toString() on the obj
+ */
+
+function toString (obj) {
+  return obj.toString()
+}
diff --git a/node_modules/connect-timeout/node_modules/depd/package.json b/node_modules/connect-timeout/node_modules/depd/package.json
new file mode 100644
index 000000000..5e3c86321
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/depd/package.json
@@ -0,0 +1,41 @@
+{
+  "name": "depd",
+  "description": "Deprecate all the things",
+  "version": "1.1.2",
+  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
+  "license": "MIT",
+  "keywords": [
+    "deprecate",
+    "deprecated"
+  ],
+  "repository": "dougwilson/nodejs-depd",
+  "browser": "lib/browser/index.js",
+  "devDependencies": {
+    "benchmark": "2.1.4",
+    "beautify-benchmark": "0.2.4",
+    "eslint": "3.19.0",
+    "eslint-config-standard": "7.1.0",
+    "eslint-plugin-markdown": "1.0.0-beta.7",
+    "eslint-plugin-promise": "3.6.0",
+    "eslint-plugin-standard": "3.0.1",
+    "istanbul": "0.4.5",
+    "mocha": "~1.21.5"
+  },
+  "files": [
+    "lib/",
+    "History.md",
+    "LICENSE",
+    "index.js",
+    "Readme.md"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "bench": "node benchmark/index.js",
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --reporter spec --bail test/",
+    "test-ci": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --no-exit test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot test/"
+  }
+}
diff --git a/node_modules/connect-timeout/node_modules/http-errors/HISTORY.md b/node_modules/connect-timeout/node_modules/http-errors/HISTORY.md
new file mode 100644
index 000000000..cba86e2df
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/http-errors/HISTORY.md
@@ -0,0 +1,132 @@
+2018-03-29 / 1.6.3
+==================
+
+  * deps: depd@~1.1.2
+    - perf: remove argument reassignment
+  * deps: setprototypeof@1.1.0
+  * deps: statuses@'>= 1.3.1 < 2'
+
+2017-08-04 / 1.6.2
+==================
+
+  * deps: depd@1.1.1
+    - Remove unnecessary `Buffer` loading
+
+2017-02-20 / 1.6.1
+==================
+
+  * deps: setprototypeof@1.0.3
+    - Fix shim for old browsers
+
+2017-02-14 / 1.6.0
+==================
+
+  * Accept custom 4xx and 5xx status codes in factory
+  * Add deprecation message to `"I'mateapot"` export
+  * Deprecate passing status code as anything except first argument in factory
+  * Deprecate using non-error status codes
+  * Make `message` property enumerable for `HttpError`s
+
+2016-11-16 / 1.5.1
+==================
+
+  * deps: inherits@2.0.3
+    - Fix issue loading in browser
+  * deps: setprototypeof@1.0.2
+  * deps: statuses@'>= 1.3.1 < 2'
+
+2016-05-18 / 1.5.0
+==================
+
+  * Support new code `421 Misdirected Request`
+  * Use `setprototypeof` module to replace `__proto__` setting
+  * deps: statuses@'>= 1.3.0 < 2'
+    - Add `421 Misdirected Request`
+    - perf: enable strict mode
+  * perf: enable strict mode
+
+2016-01-28 / 1.4.0
+==================
+
+  * Add `HttpError` export, for `err instanceof createError.HttpError`
+  * deps: inherits@2.0.1
+  * deps: statuses@'>= 1.2.1 < 2'
+    - Fix message for status 451
+    - Remove incorrect nginx status code
+
+2015-02-02 / 1.3.1
+==================
+
+  * Fix regression where status can be overwritten in `createError` `props`
+
+2015-02-01 / 1.3.0
+==================
+
+  * Construct errors using defined constructors from `createError`
+  * Fix error names that are not identifiers
+    - `createError["I'mateapot"]` is now `createError.ImATeapot`
+  * Set a meaningful `name` property on constructed errors
+
+2014-12-09 / 1.2.8
+==================
+
+  * Fix stack trace from exported function
+  * Remove `arguments.callee` usage
+
+2014-10-14 / 1.2.7
+==================
+
+  * Remove duplicate line
+
+2014-10-02 / 1.2.6
+==================
+
+  * Fix `expose` to be `true` for `ClientError` constructor
+
+2014-09-28 / 1.2.5
+==================
+
+  * deps: statuses@1
+
+2014-09-21 / 1.2.4
+==================
+
+  * Fix dependency version to work with old `npm`s
+
+2014-09-21 / 1.2.3
+==================
+
+  * deps: statuses@~1.1.0
+
+2014-09-21 / 1.2.2
+==================
+
+  * Fix publish error
+
+2014-09-21 / 1.2.1
+==================
+
+  * Support Node.js 0.6
+  * Use `inherits` instead of `util`
+
+2014-09-09 / 1.2.0
+==================
+
+  * Fix the way inheriting functions
+  * Support `expose` being provided in properties argument
+
+2014-09-08 / 1.1.0
+==================
+
+  * Default status to 500
+  * Support provided `error` to extend
+
+2014-09-08 / 1.0.1
+==================
+
+  * Fix accepting string message
+
+2014-09-08 / 1.0.0
+==================
+
+  * Initial release
diff --git a/node_modules/connect-timeout/node_modules/http-errors/LICENSE b/node_modules/connect-timeout/node_modules/http-errors/LICENSE
new file mode 100644
index 000000000..82af4df54
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/http-errors/LICENSE
@@ -0,0 +1,23 @@
+
+The MIT License (MIT)
+
+Copyright (c) 2014 Jonathan Ong me@jongleberry.com
+Copyright (c) 2016 Douglas Christopher Wilson doug@somethingdoug.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/connect-timeout/node_modules/http-errors/README.md b/node_modules/connect-timeout/node_modules/http-errors/README.md
new file mode 100644
index 000000000..79663d82f
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/http-errors/README.md
@@ -0,0 +1,135 @@
+# http-errors
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Create HTTP errors for Express, Koa, Connect, etc. with ease.
+
+## Install
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```bash
+$ npm install http-errors
+```
+
+## Example
+
+```js
+var createError = require('http-errors')
+var express = require('express')
+var app = express()
+
+app.use(function (req, res, next) {
+  if (!req.user) return next(createError(401, 'Please login to view this page.'))
+  next()
+})
+```
+
+## API
+
+This is the current API, currently extracted from Koa and subject to change.
+
+All errors inherit from JavaScript `Error` and the exported `createError.HttpError`.
+
+### Error Properties
+
+- `expose` - can be used to signal if `message` should be sent to the client,
+  defaulting to `false` when `status` >= 500
+- `headers` - can be an object of header names to values to be sent to the
+  client, defaulting to `undefined`. When defined, the key names should all
+  be lower-cased
+- `message` - the traditional error message, which should be kept short and all
+  single line
+- `status` - the status code of the error, mirroring `statusCode` for general
+  compatibility
+- `statusCode` - the status code of the error, defaulting to `500`
+
+### createError([status], [message], [properties])
+
+<!-- eslint-disable no-undef, no-unused-vars -->
+
+```js
+var err = createError(404, 'This video does not exist!')
+```
+
+- `status: 500` - the status code as a number
+- `message` - the message of the error, defaulting to node's text for that status code.
+- `properties` - custom properties to attach to the object
+
+### new createError\[code || name\](\[msg]\))
+
+<!-- eslint-disable no-undef, no-unused-vars -->
+
+```js
+var err = new createError.NotFound()
+```
+
+- `code` - the status code as a number
+- `name` - the name of the error as a "bumpy case", i.e. `NotFound` or `InternalServerError`.
+
+#### List of all constructors
+
+|Status Code|Constructor Name             |
+|-----------|-----------------------------|
+|400        |BadRequest                   |
+|401        |Unauthorized                 |
+|402        |PaymentRequired              |
+|403        |Forbidden                    |
+|404        |NotFound                     |
+|405        |MethodNotAllowed             |
+|406        |NotAcceptable                |
+|407        |ProxyAuthenticationRequired  |
+|408        |RequestTimeout               |
+|409        |Conflict                     |
+|410        |Gone                         |
+|411        |LengthRequired               |
+|412        |PreconditionFailed           |
+|413        |PayloadTooLarge              |
+|414        |URITooLong                   |
+|415        |UnsupportedMediaType         |
+|416        |RangeNotSatisfiable          |
+|417        |ExpectationFailed            |
+|418        |ImATeapot                    |
+|421        |MisdirectedRequest           |
+|422        |UnprocessableEntity          |
+|423        |Locked                       |
+|424        |FailedDependency             |
+|425        |UnorderedCollection          |
+|426        |UpgradeRequired              |
+|428        |PreconditionRequired         |
+|429        |TooManyRequests              |
+|431        |RequestHeaderFieldsTooLarge  |
+|451        |UnavailableForLegalReasons   |
+|500        |InternalServerError          |
+|501        |NotImplemented               |
+|502        |BadGateway                   |
+|503        |ServiceUnavailable           |
+|504        |GatewayTimeout               |
+|505        |HTTPVersionNotSupported      |
+|506        |VariantAlsoNegotiates        |
+|507        |InsufficientStorage          |
+|508        |LoopDetected                 |
+|509        |BandwidthLimitExceeded       |
+|510        |NotExtended                  |
+|511        |NetworkAuthenticationRequired|
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/http-errors.svg
+[npm-url]: https://npmjs.org/package/http-errors
+[node-version-image]: https://img.shields.io/node/v/http-errors.svg
+[node-version-url]: https://nodejs.org/en/download/
+[travis-image]: https://img.shields.io/travis/jshttp/http-errors.svg
+[travis-url]: https://travis-ci.org/jshttp/http-errors
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/http-errors.svg
+[coveralls-url]: https://coveralls.io/r/jshttp/http-errors
+[downloads-image]: https://img.shields.io/npm/dm/http-errors.svg
+[downloads-url]: https://npmjs.org/package/http-errors
diff --git a/node_modules/connect-timeout/node_modules/http-errors/index.js b/node_modules/connect-timeout/node_modules/http-errors/index.js
new file mode 100644
index 000000000..9509303ed
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/http-errors/index.js
@@ -0,0 +1,260 @@
+/*!
+ * http-errors
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var deprecate = require('depd')('http-errors')
+var setPrototypeOf = require('setprototypeof')
+var statuses = require('statuses')
+var inherits = require('inherits')
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = createError
+module.exports.HttpError = createHttpErrorConstructor()
+
+// Populate exports for all constructors
+populateConstructorExports(module.exports, statuses.codes, module.exports.HttpError)
+
+/**
+ * Get the code class of a status code.
+ * @private
+ */
+
+function codeClass (status) {
+  return Number(String(status).charAt(0) + '00')
+}
+
+/**
+ * Create a new HTTP Error.
+ *
+ * @returns {Error}
+ * @public
+ */
+
+function createError () {
+  // so much arity going on ~_~
+  var err
+  var msg
+  var status = 500
+  var props = {}
+  for (var i = 0; i < arguments.length; i++) {
+    var arg = arguments[i]
+    if (arg instanceof Error) {
+      err = arg
+      status = err.status || err.statusCode || status
+      continue
+    }
+    switch (typeof arg) {
+      case 'string':
+        msg = arg
+        break
+      case 'number':
+        status = arg
+        if (i !== 0) {
+          deprecate('non-first-argument status code; replace with createError(' + arg + ', ...)')
+        }
+        break
+      case 'object':
+        props = arg
+        break
+    }
+  }
+
+  if (typeof status === 'number' && (status < 400 || status >= 600)) {
+    deprecate('non-error status code; use only 4xx or 5xx status codes')
+  }
+
+  if (typeof status !== 'number' ||
+    (!statuses[status] && (status < 400 || status >= 600))) {
+    status = 500
+  }
+
+  // constructor
+  var HttpError = createError[status] || createError[codeClass(status)]
+
+  if (!err) {
+    // create error
+    err = HttpError
+      ? new HttpError(msg)
+      : new Error(msg || statuses[status])
+    Error.captureStackTrace(err, createError)
+  }
+
+  if (!HttpError || !(err instanceof HttpError) || err.status !== status) {
+    // add properties to generic error
+    err.expose = status < 500
+    err.status = err.statusCode = status
+  }
+
+  for (var key in props) {
+    if (key !== 'status' && key !== 'statusCode') {
+      err[key] = props[key]
+    }
+  }
+
+  return err
+}
+
+/**
+ * Create HTTP error abstract base class.
+ * @private
+ */
+
+function createHttpErrorConstructor () {
+  function HttpError () {
+    throw new TypeError('cannot construct abstract class')
+  }
+
+  inherits(HttpError, Error)
+
+  return HttpError
+}
+
+/**
+ * Create a constructor for a client error.
+ * @private
+ */
+
+function createClientErrorConstructor (HttpError, name, code) {
+  var className = name.match(/Error$/) ? name : name + 'Error'
+
+  function ClientError (message) {
+    // create the error object
+    var msg = message != null ? message : statuses[code]
+    var err = new Error(msg)
+
+    // capture a stack trace to the construction point
+    Error.captureStackTrace(err, ClientError)
+
+    // adjust the [[Prototype]]
+    setPrototypeOf(err, ClientError.prototype)
+
+    // redefine the error message
+    Object.defineProperty(err, 'message', {
+      enumerable: true,
+      configurable: true,
+      value: msg,
+      writable: true
+    })
+
+    // redefine the error name
+    Object.defineProperty(err, 'name', {
+      enumerable: false,
+      configurable: true,
+      value: className,
+      writable: true
+    })
+
+    return err
+  }
+
+  inherits(ClientError, HttpError)
+
+  ClientError.prototype.status = code
+  ClientError.prototype.statusCode = code
+  ClientError.prototype.expose = true
+
+  return ClientError
+}
+
+/**
+ * Create a constructor for a server error.
+ * @private
+ */
+
+function createServerErrorConstructor (HttpError, name, code) {
+  var className = name.match(/Error$/) ? name : name + 'Error'
+
+  function ServerError (message) {
+    // create the error object
+    var msg = message != null ? message : statuses[code]
+    var err = new Error(msg)
+
+    // capture a stack trace to the construction point
+    Error.captureStackTrace(err, ServerError)
+
+    // adjust the [[Prototype]]
+    setPrototypeOf(err, ServerError.prototype)
+
+    // redefine the error message
+    Object.defineProperty(err, 'message', {
+      enumerable: true,
+      configurable: true,
+      value: msg,
+      writable: true
+    })
+
+    // redefine the error name
+    Object.defineProperty(err, 'name', {
+      enumerable: false,
+      configurable: true,
+      value: className,
+      writable: true
+    })
+
+    return err
+  }
+
+  inherits(ServerError, HttpError)
+
+  ServerError.prototype.status = code
+  ServerError.prototype.statusCode = code
+  ServerError.prototype.expose = false
+
+  return ServerError
+}
+
+/**
+ * Populate the exports object with constructors for every error class.
+ * @private
+ */
+
+function populateConstructorExports (exports, codes, HttpError) {
+  codes.forEach(function forEachCode (code) {
+    var CodeError
+    var name = toIdentifier(statuses[code])
+
+    switch (codeClass(code)) {
+      case 400:
+        CodeError = createClientErrorConstructor(HttpError, name, code)
+        break
+      case 500:
+        CodeError = createServerErrorConstructor(HttpError, name, code)
+        break
+    }
+
+    if (CodeError) {
+      // export the constructor
+      exports[code] = CodeError
+      exports[name] = CodeError
+    }
+  })
+
+  // backwards-compatibility
+  exports["I'mateapot"] = deprecate.function(exports.ImATeapot,
+    '"I\'mateapot"; use "ImATeapot" instead')
+}
+
+/**
+ * Convert a string of words to a JavaScript identifier.
+ * @private
+ */
+
+function toIdentifier (str) {
+  return str.split(' ').map(function (token) {
+    return token.slice(0, 1).toUpperCase() + token.slice(1)
+  }).join('').replace(/[^ _0-9a-z]/gi, '')
+}
diff --git a/node_modules/connect-timeout/node_modules/http-errors/package.json b/node_modules/connect-timeout/node_modules/http-errors/package.json
new file mode 100644
index 000000000..a8d28e4f1
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/http-errors/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "http-errors",
+  "description": "Create HTTP error objects",
+  "version": "1.6.3",
+  "author": "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)",
+  "contributors": [
+    "Alan Plum <me@pluma.io>",
+    "Douglas Christopher Wilson <doug@somethingdoug.com>"
+  ],
+  "license": "MIT",
+  "repository": "jshttp/http-errors",
+  "dependencies": {
+    "depd": "~1.1.2",
+    "inherits": "2.0.3",
+    "setprototypeof": "1.1.0",
+    "statuses": ">= 1.4.0 < 2"
+  },
+  "devDependencies": {
+    "eslint": "4.18.1",
+    "eslint-config-standard": "11.0.0",
+    "eslint-plugin-import": "2.9.0",
+    "eslint-plugin-markdown": "1.0.0-beta.6",
+    "eslint-plugin-node": "6.0.1",
+    "eslint-plugin-promise": "3.6.0",
+    "eslint-plugin-standard": "3.0.1",
+    "istanbul": "0.4.5",
+    "mocha": "1.21.5"
+  },
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --reporter spec --bail",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter dot"
+  },
+  "keywords": [
+    "http",
+    "error"
+  ],
+  "files": [
+    "index.js",
+    "HISTORY.md",
+    "LICENSE",
+    "README.md"
+  ]
+}
diff --git a/node_modules/connect-timeout/node_modules/inherits/LICENSE b/node_modules/connect-timeout/node_modules/inherits/LICENSE
new file mode 100644
index 000000000..dea3013d6
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/inherits/LICENSE
@@ -0,0 +1,16 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
diff --git a/node_modules/connect-timeout/node_modules/inherits/README.md b/node_modules/connect-timeout/node_modules/inherits/README.md
new file mode 100644
index 000000000..b1c566585
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/inherits/README.md
@@ -0,0 +1,42 @@
+Browser-friendly inheritance fully compatible with standard node.js
+[inherits](http://nodejs.org/api/util.html#util_util_inherits_constructor_superconstructor).
+
+This package exports standard `inherits` from node.js `util` module in
+node environment, but also provides alternative browser-friendly
+implementation through [browser
+field](https://gist.github.com/shtylman/4339901). Alternative
+implementation is a literal copy of standard one located in standalone
+module to avoid requiring of `util`. It also has a shim for old
+browsers with no `Object.create` support.
+
+While keeping you sure you are using standard `inherits`
+implementation in node.js environment, it allows bundlers such as
+[browserify](https://github.com/substack/node-browserify) to not
+include full `util` package to your client code if all you need is
+just `inherits` function. It worth, because browser shim for `util`
+package is large and `inherits` is often the single function you need
+from it.
+
+It's recommended to use this package instead of
+`require('util').inherits` for any code that has chances to be used
+not only in node.js but in browser too.
+
+## usage
+
+```js
+var inherits = require('inherits');
+// then use exactly as the standard one
+```
+
+## note on version ~1.0
+
+Version ~1.0 had completely different motivation and is not compatible
+neither with 2.0 nor with standard node.js `inherits`.
+
+If you are using version ~1.0 and planning to switch to ~2.0, be
+careful:
+
+* new version uses `super_` instead of `super` for referencing
+  superclass
+* new version overwrites current prototype while old one preserves any
+  existing fields on it
diff --git a/node_modules/connect-timeout/node_modules/inherits/inherits.js b/node_modules/connect-timeout/node_modules/inherits/inherits.js
new file mode 100644
index 000000000..3b94763a7
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/inherits/inherits.js
@@ -0,0 +1,7 @@
+try {
+  var util = require('util');
+  if (typeof util.inherits !== 'function') throw '';
+  module.exports = util.inherits;
+} catch (e) {
+  module.exports = require('./inherits_browser.js');
+}
diff --git a/node_modules/connect-timeout/node_modules/inherits/inherits_browser.js b/node_modules/connect-timeout/node_modules/inherits/inherits_browser.js
new file mode 100644
index 000000000..c1e78a75e
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/inherits/inherits_browser.js
@@ -0,0 +1,23 @@
+if (typeof Object.create === 'function') {
+  // implementation from standard node.js 'util' module
+  module.exports = function inherits(ctor, superCtor) {
+    ctor.super_ = superCtor
+    ctor.prototype = Object.create(superCtor.prototype, {
+      constructor: {
+        value: ctor,
+        enumerable: false,
+        writable: true,
+        configurable: true
+      }
+    });
+  };
+} else {
+  // old school shim for old browsers
+  module.exports = function inherits(ctor, superCtor) {
+    ctor.super_ = superCtor
+    var TempCtor = function () {}
+    TempCtor.prototype = superCtor.prototype
+    ctor.prototype = new TempCtor()
+    ctor.prototype.constructor = ctor
+  }
+}
diff --git a/node_modules/connect-timeout/node_modules/inherits/package.json b/node_modules/connect-timeout/node_modules/inherits/package.json
new file mode 100644
index 000000000..7cf62b95c
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/inherits/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "inherits",
+  "description": "Browser-friendly inheritance fully compatible with standard node.js inherits()",
+  "version": "2.0.3",
+  "keywords": [
+    "inheritance",
+    "class",
+    "klass",
+    "oop",
+    "object-oriented",
+    "inherits",
+    "browser",
+    "browserify"
+  ],
+  "main": "./inherits.js",
+  "browser": "./inherits_browser.js",
+  "repository": "git://github.com/isaacs/inherits",
+  "license": "ISC",
+  "scripts": {
+    "test": "node test"
+  },
+  "devDependencies": {
+    "tap": "^7.1.0"
+  },
+  "files": [
+    "inherits.js",
+    "inherits_browser.js"
+  ]
+}
diff --git a/node_modules/connect-timeout/node_modules/on-finished/HISTORY.md b/node_modules/connect-timeout/node_modules/on-finished/HISTORY.md
new file mode 100644
index 000000000..98ff0e992
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/on-finished/HISTORY.md
@@ -0,0 +1,88 @@
+2.3.0 / 2015-05-26
+==================
+
+  * Add defined behavior for HTTP `CONNECT` requests
+  * Add defined behavior for HTTP `Upgrade` requests
+  * deps: ee-first@1.1.1
+
+2.2.1 / 2015-04-22
+==================
+
+  * Fix `isFinished(req)` when data buffered
+
+2.2.0 / 2014-12-22
+==================
+
+  * Add message object to callback arguments
+
+2.1.1 / 2014-10-22
+==================
+
+  * Fix handling of pipelined requests
+
+2.1.0 / 2014-08-16
+==================
+
+  * Check if `socket` is detached
+  * Return `undefined` for `isFinished` if state unknown
+
+2.0.0 / 2014-08-16
+==================
+
+  * Add `isFinished` function
+  * Move to `jshttp` organization
+  * Remove support for plain socket argument
+  * Rename to `on-finished`
+  * Support both `req` and `res` as arguments
+  * deps: ee-first@1.0.5
+
+1.2.2 / 2014-06-10
+==================
+
+  * Reduce listeners added to emitters
+    - avoids "event emitter leak" warnings when used multiple times on same request
+
+1.2.1 / 2014-06-08
+==================
+
+  * Fix returned value when already finished
+
+1.2.0 / 2014-06-05
+==================
+
+  * Call callback when called on already-finished socket
+
+1.1.4 / 2014-05-27
+==================
+
+  * Support node.js 0.8
+
+1.1.3 / 2014-04-30
+==================
+
+  * Make sure errors passed as instanceof `Error`
+
+1.1.2 / 2014-04-18
+==================
+
+  * Default the `socket` to passed-in object
+
+1.1.1 / 2014-01-16
+==================
+
+  * Rename module to `finished`
+
+1.1.0 / 2013-12-25
+==================
+
+  * Call callback when called on already-errored socket
+
+1.0.1 / 2013-12-20
+==================
+
+  * Actually pass the error to the callback
+
+1.0.0 / 2013-12-20
+==================
+
+  * Initial release
diff --git a/node_modules/connect-timeout/node_modules/on-finished/LICENSE b/node_modules/connect-timeout/node_modules/on-finished/LICENSE
new file mode 100644
index 000000000..5931fd23e
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/on-finished/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2013 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2014 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/connect-timeout/node_modules/on-finished/README.md b/node_modules/connect-timeout/node_modules/on-finished/README.md
new file mode 100644
index 000000000..a0e115744
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/on-finished/README.md
@@ -0,0 +1,154 @@
+# on-finished
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Execute a callback when a HTTP request closes, finishes, or errors.
+
+## Install
+
+```sh
+$ npm install on-finished
+```
+
+## API
+
+```js
+var onFinished = require('on-finished')
+```
+
+### onFinished(res, listener)
+
+Attach a listener to listen for the response to finish. The listener will
+be invoked only once when the response finished. If the response finished
+to an error, the first argument will contain the error. If the response
+has already finished, the listener will be invoked.
+
+Listening to the end of a response would be used to close things associated
+with the response, like open files.
+
+Listener is invoked as `listener(err, res)`.
+
+```js
+onFinished(res, function (err, res) {
+  // clean up open fds, etc.
+  // err contains the error is request error'd
+})
+```
+
+### onFinished(req, listener)
+
+Attach a listener to listen for the request to finish. The listener will
+be invoked only once when the request finished. If the request finished
+to an error, the first argument will contain the error. If the request
+has already finished, the listener will be invoked.
+
+Listening to the end of a request would be used to know when to continue
+after reading the data.
+
+Listener is invoked as `listener(err, req)`.
+
+```js
+var data = ''
+
+req.setEncoding('utf8')
+res.on('data', function (str) {
+  data += str
+})
+
+onFinished(req, function (err, req) {
+  // data is read unless there is err
+})
+```
+
+### onFinished.isFinished(res)
+
+Determine if `res` is already finished. This would be useful to check and
+not even start certain operations if the response has already finished.
+
+### onFinished.isFinished(req)
+
+Determine if `req` is already finished. This would be useful to check and
+not even start certain operations if the request has already finished.
+
+## Special Node.js requests
+
+### HTTP CONNECT method
+
+The meaning of the `CONNECT` method from RFC 7231, section 4.3.6:
+
+> The CONNECT method requests that the recipient establish a tunnel to
+> the destination origin server identified by the request-target and,
+> if successful, thereafter restrict its behavior to blind forwarding
+> of packets, in both directions, until the tunnel is closed.  Tunnels
+> are commonly used to create an end-to-end virtual connection, through
+> one or more proxies, which can then be secured using TLS (Transport
+> Layer Security, [RFC5246]).
+
+In Node.js, these request objects come from the `'connect'` event on
+the HTTP server.
+
+When this module is used on a HTTP `CONNECT` request, the request is
+considered "finished" immediately, **due to limitations in the Node.js
+interface**. This means if the `CONNECT` request contains a request entity,
+the request will be considered "finished" even before it has been read.
+
+There is no such thing as a response object to a `CONNECT` request in
+Node.js, so there is no support for for one.
+
+### HTTP Upgrade request
+
+The meaning of the `Upgrade` header from RFC 7230, section 6.1:
+
+> The "Upgrade" header field is intended to provide a simple mechanism
+> for transitioning from HTTP/1.1 to some other protocol on the same
+> connection.
+
+In Node.js, these request objects come from the `'upgrade'` event on
+the HTTP server.
+
+When this module is used on a HTTP request with an `Upgrade` header, the
+request is considered "finished" immediately, **due to limitations in the
+Node.js interface**. This means if the `Upgrade` request contains a request
+entity, the request will be considered "finished" even before it has been
+read.
+
+There is no such thing as a response object to a `Upgrade` request in
+Node.js, so there is no support for for one.
+
+## Example
+
+The following code ensures that file descriptors are always closed
+once the response finishes.
+
+```js
+var destroy = require('destroy')
+var http = require('http')
+var onFinished = require('on-finished')
+
+http.createServer(function onRequest(req, res) {
+  var stream = fs.createReadStream('package.json')
+  stream.pipe(res)
+  onFinished(res, function (err) {
+    destroy(stream)
+  })
+})
+```
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/on-finished.svg
+[npm-url]: https://npmjs.org/package/on-finished
+[node-version-image]: https://img.shields.io/node/v/on-finished.svg
+[node-version-url]: http://nodejs.org/download/
+[travis-image]: https://img.shields.io/travis/jshttp/on-finished/master.svg
+[travis-url]: https://travis-ci.org/jshttp/on-finished
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/on-finished/master.svg
+[coveralls-url]: https://coveralls.io/r/jshttp/on-finished?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/on-finished.svg
+[downloads-url]: https://npmjs.org/package/on-finished
diff --git a/node_modules/connect-timeout/node_modules/on-finished/index.js b/node_modules/connect-timeout/node_modules/on-finished/index.js
new file mode 100644
index 000000000..9abd98f9d
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/on-finished/index.js
@@ -0,0 +1,196 @@
+/*!
+ * on-finished
+ * Copyright(c) 2013 Jonathan Ong
+ * Copyright(c) 2014 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = onFinished
+module.exports.isFinished = isFinished
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var first = require('ee-first')
+
+/**
+ * Variables.
+ * @private
+ */
+
+/* istanbul ignore next */
+var defer = typeof setImmediate === 'function'
+  ? setImmediate
+  : function(fn){ process.nextTick(fn.bind.apply(fn, arguments)) }
+
+/**
+ * Invoke callback when the response has finished, useful for
+ * cleaning up resources afterwards.
+ *
+ * @param {object} msg
+ * @param {function} listener
+ * @return {object}
+ * @public
+ */
+
+function onFinished(msg, listener) {
+  if (isFinished(msg) !== false) {
+    defer(listener, null, msg)
+    return msg
+  }
+
+  // attach the listener to the message
+  attachListener(msg, listener)
+
+  return msg
+}
+
+/**
+ * Determine if message is already finished.
+ *
+ * @param {object} msg
+ * @return {boolean}
+ * @public
+ */
+
+function isFinished(msg) {
+  var socket = msg.socket
+
+  if (typeof msg.finished === 'boolean') {
+    // OutgoingMessage
+    return Boolean(msg.finished || (socket && !socket.writable))
+  }
+
+  if (typeof msg.complete === 'boolean') {
+    // IncomingMessage
+    return Boolean(msg.upgrade || !socket || !socket.readable || (msg.complete && !msg.readable))
+  }
+
+  // don't know
+  return undefined
+}
+
+/**
+ * Attach a finished listener to the message.
+ *
+ * @param {object} msg
+ * @param {function} callback
+ * @private
+ */
+
+function attachFinishedListener(msg, callback) {
+  var eeMsg
+  var eeSocket
+  var finished = false
+
+  function onFinish(error) {
+    eeMsg.cancel()
+    eeSocket.cancel()
+
+    finished = true
+    callback(error)
+  }
+
+  // finished on first message event
+  eeMsg = eeSocket = first([[msg, 'end', 'finish']], onFinish)
+
+  function onSocket(socket) {
+    // remove listener
+    msg.removeListener('socket', onSocket)
+
+    if (finished) return
+    if (eeMsg !== eeSocket) return
+
+    // finished on first socket event
+    eeSocket = first([[socket, 'error', 'close']], onFinish)
+  }
+
+  if (msg.socket) {
+    // socket already assigned
+    onSocket(msg.socket)
+    return
+  }
+
+  // wait for socket to be assigned
+  msg.on('socket', onSocket)
+
+  if (msg.socket === undefined) {
+    // node.js 0.8 patch
+    patchAssignSocket(msg, onSocket)
+  }
+}
+
+/**
+ * Attach the listener to the message.
+ *
+ * @param {object} msg
+ * @return {function}
+ * @private
+ */
+
+function attachListener(msg, listener) {
+  var attached = msg.__onFinished
+
+  // create a private single listener with queue
+  if (!attached || !attached.queue) {
+    attached = msg.__onFinished = createListener(msg)
+    attachFinishedListener(msg, attached)
+  }
+
+  attached.queue.push(listener)
+}
+
+/**
+ * Create listener on message.
+ *
+ * @param {object} msg
+ * @return {function}
+ * @private
+ */
+
+function createListener(msg) {
+  function listener(err) {
+    if (msg.__onFinished === listener) msg.__onFinished = null
+    if (!listener.queue) return
+
+    var queue = listener.queue
+    listener.queue = null
+
+    for (var i = 0; i < queue.length; i++) {
+      queue[i](err, msg)
+    }
+  }
+
+  listener.queue = []
+
+  return listener
+}
+
+/**
+ * Patch ServerResponse.prototype.assignSocket for node.js 0.8.
+ *
+ * @param {ServerResponse} res
+ * @param {function} callback
+ * @private
+ */
+
+function patchAssignSocket(res, callback) {
+  var assignSocket = res.assignSocket
+
+  if (typeof assignSocket !== 'function') return
+
+  // res.on('socket', callback) is broken in 0.8
+  res.assignSocket = function _assignSocket(socket) {
+    assignSocket.call(this, socket)
+    callback(socket)
+  }
+}
diff --git a/node_modules/connect-timeout/node_modules/on-finished/package.json b/node_modules/connect-timeout/node_modules/on-finished/package.json
new file mode 100644
index 000000000..b9df1bd20
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/on-finished/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "on-finished",
+  "description": "Execute a callback when a request closes, finishes, or errors",
+  "version": "2.3.0",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "license": "MIT",
+  "repository": "jshttp/on-finished",
+  "dependencies": {
+    "ee-first": "1.1.1"
+  },
+  "devDependencies": {
+    "istanbul": "0.3.9",
+    "mocha": "2.2.5"
+  },
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "index.js"
+  ],
+  "scripts": {
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/"
+  }
+}
diff --git a/node_modules/connect-timeout/node_modules/setprototypeof/LICENSE b/node_modules/connect-timeout/node_modules/setprototypeof/LICENSE
new file mode 100644
index 000000000..61afa2f18
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/setprototypeof/LICENSE
@@ -0,0 +1,13 @@
+Copyright (c) 2015, Wes Todd
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/connect-timeout/node_modules/setprototypeof/README.md b/node_modules/connect-timeout/node_modules/setprototypeof/README.md
new file mode 100644
index 000000000..826bf029d
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/setprototypeof/README.md
@@ -0,0 +1,26 @@
+# Polyfill for `Object.setPrototypeOf`
+
+A simple cross platform implementation to set the prototype of an instianted object.  Supports all modern browsers and at least back to IE8.
+
+## Usage:
+
+```
+$ npm install --save setprototypeof
+```
+
+```javascript
+var setPrototypeOf = require('setprototypeof');
+
+var obj = {};
+setPrototypeOf(obj, {
+	foo: function() {
+		return 'bar';
+	}
+});
+obj.foo(); // bar
+```
+
+TypeScript is also supported:
+```typescript
+import setPrototypeOf = require('setprototypeof');
+```
\ No newline at end of file
diff --git a/node_modules/connect-timeout/node_modules/setprototypeof/index.d.ts b/node_modules/connect-timeout/node_modules/setprototypeof/index.d.ts
new file mode 100644
index 000000000..f108ecd0a
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/setprototypeof/index.d.ts
@@ -0,0 +1,2 @@
+declare function setPrototypeOf(o: any, proto: object | null): any;
+export = setPrototypeOf;
diff --git a/node_modules/connect-timeout/node_modules/setprototypeof/index.js b/node_modules/connect-timeout/node_modules/setprototypeof/index.js
new file mode 100644
index 000000000..93ea4176c
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/setprototypeof/index.js
@@ -0,0 +1,15 @@
+module.exports = Object.setPrototypeOf || ({__proto__:[]} instanceof Array ? setProtoOf : mixinProperties);
+
+function setProtoOf(obj, proto) {
+	obj.__proto__ = proto;
+	return obj;
+}
+
+function mixinProperties(obj, proto) {
+	for (var prop in proto) {
+		if (!obj.hasOwnProperty(prop)) {
+			obj[prop] = proto[prop];
+		}
+	}
+	return obj;
+}
diff --git a/node_modules/connect-timeout/node_modules/setprototypeof/package.json b/node_modules/connect-timeout/node_modules/setprototypeof/package.json
new file mode 100644
index 000000000..793c504ed
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/setprototypeof/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "setprototypeof",
+  "version": "1.1.0",
+  "description": "A small polyfill for Object.setprototypeof",
+  "main": "index.js",
+  "typings": "index.d.ts",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/wesleytodd/setprototypeof.git"
+  },
+  "keywords": [
+    "polyfill",
+    "object",
+    "setprototypeof"
+  ],
+  "author": "Wes Todd",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/wesleytodd/setprototypeof/issues"
+  },
+  "homepage": "https://github.com/wesleytodd/setprototypeof"
+}
diff --git a/node_modules/connect-timeout/node_modules/statuses/HISTORY.md b/node_modules/connect-timeout/node_modules/statuses/HISTORY.md
new file mode 100644
index 000000000..a1977b297
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/statuses/HISTORY.md
@@ -0,0 +1,65 @@
+1.5.0 / 2018-03-27
+==================
+
+  * Add `103 Early Hints`
+
+1.4.0 / 2017-10-20
+==================
+
+  * Add `STATUS_CODES` export
+
+1.3.1 / 2016-11-11
+==================
+
+  * Fix return type in JSDoc
+
+1.3.0 / 2016-05-17
+==================
+
+  * Add `421 Misdirected Request`
+  * perf: enable strict mode
+
+1.2.1 / 2015-02-01
+==================
+
+  * Fix message for status 451
+    - `451 Unavailable For Legal Reasons`
+
+1.2.0 / 2014-09-28
+==================
+
+  * Add `208 Already Repored`
+  * Add `226 IM Used`
+  * Add `306 (Unused)`
+  * Add `415 Unable For Legal Reasons`
+  * Add `508 Loop Detected`
+
+1.1.1 / 2014-09-24
+==================
+
+  * Add missing 308 to `codes.json`
+
+1.1.0 / 2014-09-21
+==================
+
+  * Add `codes.json` for universal support
+
+1.0.4 / 2014-08-20
+==================
+
+  * Package cleanup
+
+1.0.3 / 2014-06-08
+==================
+
+  * Add 308 to `.redirect` category
+
+1.0.2 / 2014-03-13
+==================
+
+  * Add `.retry` category
+
+1.0.1 / 2014-03-12
+==================
+
+  * Initial release
diff --git a/node_modules/connect-timeout/node_modules/statuses/LICENSE b/node_modules/connect-timeout/node_modules/statuses/LICENSE
new file mode 100644
index 000000000..28a316182
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/statuses/LICENSE
@@ -0,0 +1,23 @@
+
+The MIT License (MIT)
+
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2016 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/connect-timeout/node_modules/statuses/README.md b/node_modules/connect-timeout/node_modules/statuses/README.md
new file mode 100644
index 000000000..0fe5720db
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/statuses/README.md
@@ -0,0 +1,127 @@
+# Statuses
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+HTTP status utility for node.
+
+This module provides a list of status codes and messages sourced from
+a few different projects:
+
+  * The [IANA Status Code Registry](https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml)
+  * The [Node.js project](https://nodejs.org/)
+  * The [NGINX project](https://www.nginx.com/)
+  * The [Apache HTTP Server project](https://httpd.apache.org/)
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install statuses
+```
+
+## API
+
+<!-- eslint-disable no-unused-vars -->
+
+```js
+var status = require('statuses')
+```
+
+### var code = status(Integer || String)
+
+If `Integer` or `String` is a valid HTTP code or status message, then the
+appropriate `code` will be returned. Otherwise, an error will be thrown.
+
+<!-- eslint-disable no-undef -->
+
+```js
+status(403) // => 403
+status('403') // => 403
+status('forbidden') // => 403
+status('Forbidden') // => 403
+status(306) // throws, as it's not supported by node.js
+```
+
+### status.STATUS_CODES
+
+Returns an object which maps status codes to status messages, in
+the same format as the
+[Node.js http module](https://nodejs.org/dist/latest/docs/api/http.html#http_http_status_codes).
+
+### status.codes
+
+Returns an array of all the status codes as `Integer`s.
+
+### var msg = status[code]
+
+Map of `code` to `status message`. `undefined` for invalid `code`s.
+
+<!-- eslint-disable no-undef, no-unused-expressions -->
+
+```js
+status[404] // => 'Not Found'
+```
+
+### var code = status[msg]
+
+Map of `status message` to `code`. `msg` can either be title-cased or
+lower-cased. `undefined` for invalid `status message`s.
+
+<!-- eslint-disable no-undef, no-unused-expressions -->
+
+```js
+status['not found'] // => 404
+status['Not Found'] // => 404
+```
+
+### status.redirect[code]
+
+Returns `true` if a status code is a valid redirect status.
+
+<!-- eslint-disable no-undef, no-unused-expressions -->
+
+```js
+status.redirect[200] // => undefined
+status.redirect[301] // => true
+```
+
+### status.empty[code]
+
+Returns `true` if a status code expects an empty body.
+
+<!-- eslint-disable no-undef, no-unused-expressions -->
+
+```js
+status.empty[200] // => undefined
+status.empty[204] // => true
+status.empty[304] // => true
+```
+
+### status.retry[code]
+
+Returns `true` if you should retry the rest.
+
+<!-- eslint-disable no-undef, no-unused-expressions -->
+
+```js
+status.retry[501] // => undefined
+status.retry[503] // => true
+```
+
+[npm-image]: https://img.shields.io/npm/v/statuses.svg
+[npm-url]: https://npmjs.org/package/statuses
+[node-version-image]: https://img.shields.io/node/v/statuses.svg
+[node-version-url]: https://nodejs.org/en/download
+[travis-image]: https://img.shields.io/travis/jshttp/statuses.svg
+[travis-url]: https://travis-ci.org/jshttp/statuses
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/statuses.svg
+[coveralls-url]: https://coveralls.io/r/jshttp/statuses?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/statuses.svg
+[downloads-url]: https://npmjs.org/package/statuses
diff --git a/node_modules/connect-timeout/node_modules/statuses/codes.json b/node_modules/connect-timeout/node_modules/statuses/codes.json
new file mode 100644
index 000000000..a09283a27
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/statuses/codes.json
@@ -0,0 +1,66 @@
+{
+  "100": "Continue",
+  "101": "Switching Protocols",
+  "102": "Processing",
+  "103": "Early Hints",
+  "200": "OK",
+  "201": "Created",
+  "202": "Accepted",
+  "203": "Non-Authoritative Information",
+  "204": "No Content",
+  "205": "Reset Content",
+  "206": "Partial Content",
+  "207": "Multi-Status",
+  "208": "Already Reported",
+  "226": "IM Used",
+  "300": "Multiple Choices",
+  "301": "Moved Permanently",
+  "302": "Found",
+  "303": "See Other",
+  "304": "Not Modified",
+  "305": "Use Proxy",
+  "306": "(Unused)",
+  "307": "Temporary Redirect",
+  "308": "Permanent Redirect",
+  "400": "Bad Request",
+  "401": "Unauthorized",
+  "402": "Payment Required",
+  "403": "Forbidden",
+  "404": "Not Found",
+  "405": "Method Not Allowed",
+  "406": "Not Acceptable",
+  "407": "Proxy Authentication Required",
+  "408": "Request Timeout",
+  "409": "Conflict",
+  "410": "Gone",
+  "411": "Length Required",
+  "412": "Precondition Failed",
+  "413": "Payload Too Large",
+  "414": "URI Too Long",
+  "415": "Unsupported Media Type",
+  "416": "Range Not Satisfiable",
+  "417": "Expectation Failed",
+  "418": "I'm a teapot",
+  "421": "Misdirected Request",
+  "422": "Unprocessable Entity",
+  "423": "Locked",
+  "424": "Failed Dependency",
+  "425": "Unordered Collection",
+  "426": "Upgrade Required",
+  "428": "Precondition Required",
+  "429": "Too Many Requests",
+  "431": "Request Header Fields Too Large",
+  "451": "Unavailable For Legal Reasons",
+  "500": "Internal Server Error",
+  "501": "Not Implemented",
+  "502": "Bad Gateway",
+  "503": "Service Unavailable",
+  "504": "Gateway Timeout",
+  "505": "HTTP Version Not Supported",
+  "506": "Variant Also Negotiates",
+  "507": "Insufficient Storage",
+  "508": "Loop Detected",
+  "509": "Bandwidth Limit Exceeded",
+  "510": "Not Extended",
+  "511": "Network Authentication Required"
+}
diff --git a/node_modules/connect-timeout/node_modules/statuses/index.js b/node_modules/connect-timeout/node_modules/statuses/index.js
new file mode 100644
index 000000000..4df469a05
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/statuses/index.js
@@ -0,0 +1,113 @@
+/*!
+ * statuses
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var codes = require('./codes.json')
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = status
+
+// status code to message map
+status.STATUS_CODES = codes
+
+// array of status codes
+status.codes = populateStatusesMap(status, codes)
+
+// status codes for redirects
+status.redirect = {
+  300: true,
+  301: true,
+  302: true,
+  303: true,
+  305: true,
+  307: true,
+  308: true
+}
+
+// status codes for empty bodies
+status.empty = {
+  204: true,
+  205: true,
+  304: true
+}
+
+// status codes for when you should retry the request
+status.retry = {
+  502: true,
+  503: true,
+  504: true
+}
+
+/**
+ * Populate the statuses map for given codes.
+ * @private
+ */
+
+function populateStatusesMap (statuses, codes) {
+  var arr = []
+
+  Object.keys(codes).forEach(function forEachCode (code) {
+    var message = codes[code]
+    var status = Number(code)
+
+    // Populate properties
+    statuses[status] = message
+    statuses[message] = status
+    statuses[message.toLowerCase()] = status
+
+    // Add to array
+    arr.push(status)
+  })
+
+  return arr
+}
+
+/**
+ * Get the status code.
+ *
+ * Given a number, this will throw if it is not a known status
+ * code, otherwise the code will be returned. Given a string,
+ * the string will be parsed for a number and return the code
+ * if valid, otherwise will lookup the code assuming this is
+ * the status message.
+ *
+ * @param {string|number} code
+ * @returns {number}
+ * @public
+ */
+
+function status (code) {
+  if (typeof code === 'number') {
+    if (!status[code]) throw new Error('invalid status code: ' + code)
+    return code
+  }
+
+  if (typeof code !== 'string') {
+    throw new TypeError('code must be a number or string')
+  }
+
+  // '403'
+  var n = parseInt(code, 10)
+  if (!isNaN(n)) {
+    if (!status[n]) throw new Error('invalid status code: ' + n)
+    return n
+  }
+
+  n = status[code.toLowerCase()]
+  if (!n) throw new Error('invalid status message: "' + code + '"')
+  return n
+}
diff --git a/node_modules/connect-timeout/node_modules/statuses/package.json b/node_modules/connect-timeout/node_modules/statuses/package.json
new file mode 100644
index 000000000..7595e2bad
--- /dev/null
+++ b/node_modules/connect-timeout/node_modules/statuses/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "statuses",
+  "description": "HTTP status utility",
+  "version": "1.5.0",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "repository": "jshttp/statuses",
+  "license": "MIT",
+  "keywords": [
+    "http",
+    "status",
+    "code"
+  ],
+  "files": [
+    "HISTORY.md",
+    "index.js",
+    "codes.json",
+    "LICENSE"
+  ],
+  "devDependencies": {
+    "csv-parse": "1.2.4",
+    "eslint": "4.19.1",
+    "eslint-config-standard": "11.0.0",
+    "eslint-plugin-import": "2.9.0",
+    "eslint-plugin-markdown": "1.0.0-beta.6",
+    "eslint-plugin-node": "6.0.1",
+    "eslint-plugin-promise": "3.7.0",
+    "eslint-plugin-standard": "3.0.1",
+    "istanbul": "0.4.5",
+    "mocha": "1.21.5",
+    "raw-body": "2.3.2",
+    "stream-to-array": "2.3.0"
+  },
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "build": "node scripts/build.js",
+    "fetch": "node scripts/fetch-apache.js && node scripts/fetch-iana.js && node scripts/fetch-nginx.js && node scripts/fetch-node.js",
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --reporter spec --check-leaks --bail test/",
+    "test-ci": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
+    "update": "npm run fetch && npm run build"
+  }
+}
diff --git a/node_modules/connect-timeout/package.json b/node_modules/connect-timeout/package.json
new file mode 100644
index 000000000..021c4d08b
--- /dev/null
+++ b/node_modules/connect-timeout/package.json
@@ -0,0 +1,43 @@
+{
+  "name": "connect-timeout",
+  "description": "Request timeout middleware for Connect/Express",
+  "version": "1.9.0",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "license": "MIT",
+  "repository": "expressjs/timeout",
+  "dependencies": {
+    "http-errors": "~1.6.1",
+    "ms": "2.0.0",
+    "on-finished": "~2.3.0",
+    "on-headers": "~1.0.1"
+  },
+  "devDependencies": {
+    "eslint": "3.19.0",
+    "eslint-config-standard": "10.2.1",
+    "eslint-plugin-import": "2.2.0",
+    "eslint-plugin-markdown": "1.0.0-beta.6",
+    "eslint-plugin-node": "4.2.2",
+    "eslint-plugin-promise": "3.5.0",
+    "eslint-plugin-standard": "3.0.1",
+    "istanbul": "0.4.5",
+    "mocha": "2.5.3",
+    "supertest": "1.1.0"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter dot --check-leaks test/"
+  }
+}
diff --git a/node_modules/content-disposition/HISTORY.md b/node_modules/content-disposition/HISTORY.md
new file mode 100644
index 000000000..488effa0c
--- /dev/null
+++ b/node_modules/content-disposition/HISTORY.md
@@ -0,0 +1,60 @@
+0.5.4 / 2021-12-10
+==================
+
+  * deps: safe-buffer@5.2.1
+
+0.5.3 / 2018-12-17
+==================
+
+  * Use `safe-buffer` for improved Buffer API
+
+0.5.2 / 2016-12-08
+==================
+
+  * Fix `parse` to accept any linear whitespace character
+
+0.5.1 / 2016-01-17
+==================
+
+  * perf: enable strict mode
+
+0.5.0 / 2014-10-11
+==================
+
+  * Add `parse` function
+
+0.4.0 / 2014-09-21
+==================
+
+  * Expand non-Unicode `filename` to the full ISO-8859-1 charset
+
+0.3.0 / 2014-09-20
+==================
+
+  * Add `fallback` option
+  * Add `type` option
+
+0.2.0 / 2014-09-19
+==================
+
+  * Reduce ambiguity of file names with hex escape in buggy browsers
+
+0.1.2 / 2014-09-19
+==================
+
+  * Fix periodic invalid Unicode filename header
+
+0.1.1 / 2014-09-19
+==================
+
+  * Fix invalid characters appearing in `filename*` parameter
+
+0.1.0 / 2014-09-18
+==================
+
+  * Make the `filename` argument optional
+
+0.0.0 / 2014-09-18
+==================
+
+  * Initial release
diff --git a/node_modules/content-disposition/LICENSE b/node_modules/content-disposition/LICENSE
new file mode 100644
index 000000000..84441fbb5
--- /dev/null
+++ b/node_modules/content-disposition/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2014-2017 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/content-disposition/README.md b/node_modules/content-disposition/README.md
new file mode 100644
index 000000000..3a0bb0559
--- /dev/null
+++ b/node_modules/content-disposition/README.md
@@ -0,0 +1,142 @@
+# content-disposition
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][github-actions-ci-image]][github-actions-ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Create and parse HTTP `Content-Disposition` header
+
+## Installation
+
+```sh
+$ npm install content-disposition
+```
+
+## API
+
+```js
+var contentDisposition = require('content-disposition')
+```
+
+### contentDisposition(filename, options)
+
+Create an attachment `Content-Disposition` header value using the given file name,
+if supplied. The `filename` is optional and if no file name is desired, but you
+want to specify `options`, set `filename` to `undefined`.
+
+```js
+res.setHeader('Content-Disposition', contentDisposition('∫ maths.pdf'))
+```
+
+**note** HTTP headers are of the ISO-8859-1 character set. If you are writing this
+header through a means different from `setHeader` in Node.js, you'll want to specify
+the `'binary'` encoding in Node.js.
+
+#### Options
+
+`contentDisposition` accepts these properties in the options object.
+
+##### fallback
+
+If the `filename` option is outside ISO-8859-1, then the file name is actually
+stored in a supplemental field for clients that support Unicode file names and
+a ISO-8859-1 version of the file name is automatically generated.
+
+This specifies the ISO-8859-1 file name to override the automatic generation or
+disables the generation all together, defaults to `true`.
+
+  - A string will specify the ISO-8859-1 file name to use in place of automatic
+    generation.
+  - `false` will disable including a ISO-8859-1 file name and only include the
+    Unicode version (unless the file name is already ISO-8859-1).
+  - `true` will enable automatic generation if the file name is outside ISO-8859-1.
+
+If the `filename` option is ISO-8859-1 and this option is specified and has a
+different value, then the `filename` option is encoded in the extended field
+and this set as the fallback field, even though they are both ISO-8859-1.
+
+##### type
+
+Specifies the disposition type, defaults to `"attachment"`. This can also be
+`"inline"`, or any other value (all values except inline are treated like
+`attachment`, but can convey additional information if both parties agree to
+it). The type is normalized to lower-case.
+
+### contentDisposition.parse(string)
+
+```js
+var disposition = contentDisposition.parse('attachment; filename="EURO rates.txt"; filename*=UTF-8\'\'%e2%82%ac%20rates.txt')
+```
+
+Parse a `Content-Disposition` header string. This automatically handles extended
+("Unicode") parameters by decoding them and providing them under the standard
+parameter name. This will return an object with the following properties (examples
+are shown for the string `'attachment; filename="EURO rates.txt"; filename*=UTF-8\'\'%e2%82%ac%20rates.txt'`):
+
+ - `type`: The disposition type (always lower case). Example: `'attachment'`
+
+ - `parameters`: An object of the parameters in the disposition (name of parameter
+   always lower case and extended versions replace non-extended versions). Example:
+   `{filename: "€ rates.txt"}`
+
+## Examples
+
+### Send a file for download
+
+```js
+var contentDisposition = require('content-disposition')
+var destroy = require('destroy')
+var fs = require('fs')
+var http = require('http')
+var onFinished = require('on-finished')
+
+var filePath = '/path/to/public/plans.pdf'
+
+http.createServer(function onRequest (req, res) {
+  // set headers
+  res.setHeader('Content-Type', 'application/pdf')
+  res.setHeader('Content-Disposition', contentDisposition(filePath))
+
+  // send file
+  var stream = fs.createReadStream(filePath)
+  stream.pipe(res)
+  onFinished(res, function () {
+    destroy(stream)
+  })
+})
+```
+
+## Testing
+
+```sh
+$ npm test
+```
+
+## References
+
+- [RFC 2616: Hypertext Transfer Protocol -- HTTP/1.1][rfc-2616]
+- [RFC 5987: Character Set and Language Encoding for Hypertext Transfer Protocol (HTTP) Header Field Parameters][rfc-5987]
+- [RFC 6266: Use of the Content-Disposition Header Field in the Hypertext Transfer Protocol (HTTP)][rfc-6266]
+- [Test Cases for HTTP Content-Disposition header field (RFC 6266) and the Encodings defined in RFCs 2047, 2231 and 5987][tc-2231]
+
+[rfc-2616]: https://tools.ietf.org/html/rfc2616
+[rfc-5987]: https://tools.ietf.org/html/rfc5987
+[rfc-6266]: https://tools.ietf.org/html/rfc6266
+[tc-2231]: http://greenbytes.de/tech/tc2231/
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/content-disposition.svg
+[npm-url]: https://npmjs.org/package/content-disposition
+[node-version-image]: https://img.shields.io/node/v/content-disposition.svg
+[node-version-url]: https://nodejs.org/en/download
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/content-disposition.svg
+[coveralls-url]: https://coveralls.io/r/jshttp/content-disposition?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/content-disposition.svg
+[downloads-url]: https://npmjs.org/package/content-disposition
+[github-actions-ci-image]: https://img.shields.io/github/workflow/status/jshttp/content-disposition/ci/master?label=ci
+[github-actions-ci-url]: https://github.com/jshttp/content-disposition?query=workflow%3Aci
diff --git a/node_modules/content-disposition/index.js b/node_modules/content-disposition/index.js
new file mode 100644
index 000000000..ecec899a9
--- /dev/null
+++ b/node_modules/content-disposition/index.js
@@ -0,0 +1,458 @@
+/*!
+ * content-disposition
+ * Copyright(c) 2014-2017 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = contentDisposition
+module.exports.parse = parse
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var basename = require('path').basename
+var Buffer = require('safe-buffer').Buffer
+
+/**
+ * RegExp to match non attr-char, *after* encodeURIComponent (i.e. not including "%")
+ * @private
+ */
+
+var ENCODE_URL_ATTR_CHAR_REGEXP = /[\x00-\x20"'()*,/:;<=>?@[\\\]{}\x7f]/g // eslint-disable-line no-control-regex
+
+/**
+ * RegExp to match percent encoding escape.
+ * @private
+ */
+
+var HEX_ESCAPE_REGEXP = /%[0-9A-Fa-f]{2}/
+var HEX_ESCAPE_REPLACE_REGEXP = /%([0-9A-Fa-f]{2})/g
+
+/**
+ * RegExp to match non-latin1 characters.
+ * @private
+ */
+
+var NON_LATIN1_REGEXP = /[^\x20-\x7e\xa0-\xff]/g
+
+/**
+ * RegExp to match quoted-pair in RFC 2616
+ *
+ * quoted-pair = "\" CHAR
+ * CHAR        = <any US-ASCII character (octets 0 - 127)>
+ * @private
+ */
+
+var QESC_REGEXP = /\\([\u0000-\u007f])/g // eslint-disable-line no-control-regex
+
+/**
+ * RegExp to match chars that must be quoted-pair in RFC 2616
+ * @private
+ */
+
+var QUOTE_REGEXP = /([\\"])/g
+
+/**
+ * RegExp for various RFC 2616 grammar
+ *
+ * parameter     = token "=" ( token | quoted-string )
+ * token         = 1*<any CHAR except CTLs or separators>
+ * separators    = "(" | ")" | "<" | ">" | "@"
+ *               | "," | ";" | ":" | "\" | <">
+ *               | "/" | "[" | "]" | "?" | "="
+ *               | "{" | "}" | SP | HT
+ * quoted-string = ( <"> *(qdtext | quoted-pair ) <"> )
+ * qdtext        = <any TEXT except <">>
+ * quoted-pair   = "\" CHAR
+ * CHAR          = <any US-ASCII character (octets 0 - 127)>
+ * TEXT          = <any OCTET except CTLs, but including LWS>
+ * LWS           = [CRLF] 1*( SP | HT )
+ * CRLF          = CR LF
+ * CR            = <US-ASCII CR, carriage return (13)>
+ * LF            = <US-ASCII LF, linefeed (10)>
+ * SP            = <US-ASCII SP, space (32)>
+ * HT            = <US-ASCII HT, horizontal-tab (9)>
+ * CTL           = <any US-ASCII control character (octets 0 - 31) and DEL (127)>
+ * OCTET         = <any 8-bit sequence of data>
+ * @private
+ */
+
+var PARAM_REGEXP = /;[\x09\x20]*([!#$%&'*+.0-9A-Z^_`a-z|~-]+)[\x09\x20]*=[\x09\x20]*("(?:[\x20!\x23-\x5b\x5d-\x7e\x80-\xff]|\\[\x20-\x7e])*"|[!#$%&'*+.0-9A-Z^_`a-z|~-]+)[\x09\x20]*/g // eslint-disable-line no-control-regex
+var TEXT_REGEXP = /^[\x20-\x7e\x80-\xff]+$/
+var TOKEN_REGEXP = /^[!#$%&'*+.0-9A-Z^_`a-z|~-]+$/
+
+/**
+ * RegExp for various RFC 5987 grammar
+ *
+ * ext-value     = charset  "'" [ language ] "'" value-chars
+ * charset       = "UTF-8" / "ISO-8859-1" / mime-charset
+ * mime-charset  = 1*mime-charsetc
+ * mime-charsetc = ALPHA / DIGIT
+ *               / "!" / "#" / "$" / "%" / "&"
+ *               / "+" / "-" / "^" / "_" / "`"
+ *               / "{" / "}" / "~"
+ * language      = ( 2*3ALPHA [ extlang ] )
+ *               / 4ALPHA
+ *               / 5*8ALPHA
+ * extlang       = *3( "-" 3ALPHA )
+ * value-chars   = *( pct-encoded / attr-char )
+ * pct-encoded   = "%" HEXDIG HEXDIG
+ * attr-char     = ALPHA / DIGIT
+ *               / "!" / "#" / "$" / "&" / "+" / "-" / "."
+ *               / "^" / "_" / "`" / "|" / "~"
+ * @private
+ */
+
+var EXT_VALUE_REGEXP = /^([A-Za-z0-9!#$%&+\-^_`{}~]+)'(?:[A-Za-z]{2,3}(?:-[A-Za-z]{3}){0,3}|[A-Za-z]{4,8}|)'((?:%[0-9A-Fa-f]{2}|[A-Za-z0-9!#$&+.^_`|~-])+)$/
+
+/**
+ * RegExp for various RFC 6266 grammar
+ *
+ * disposition-type = "inline" | "attachment" | disp-ext-type
+ * disp-ext-type    = token
+ * disposition-parm = filename-parm | disp-ext-parm
+ * filename-parm    = "filename" "=" value
+ *                  | "filename*" "=" ext-value
+ * disp-ext-parm    = token "=" value
+ *                  | ext-token "=" ext-value
+ * ext-token        = <the characters in token, followed by "*">
+ * @private
+ */
+
+var DISPOSITION_TYPE_REGEXP = /^([!#$%&'*+.0-9A-Z^_`a-z|~-]+)[\x09\x20]*(?:$|;)/ // eslint-disable-line no-control-regex
+
+/**
+ * Create an attachment Content-Disposition header.
+ *
+ * @param {string} [filename]
+ * @param {object} [options]
+ * @param {string} [options.type=attachment]
+ * @param {string|boolean} [options.fallback=true]
+ * @return {string}
+ * @public
+ */
+
+function contentDisposition (filename, options) {
+  var opts = options || {}
+
+  // get type
+  var type = opts.type || 'attachment'
+
+  // get parameters
+  var params = createparams(filename, opts.fallback)
+
+  // format into string
+  return format(new ContentDisposition(type, params))
+}
+
+/**
+ * Create parameters object from filename and fallback.
+ *
+ * @param {string} [filename]
+ * @param {string|boolean} [fallback=true]
+ * @return {object}
+ * @private
+ */
+
+function createparams (filename, fallback) {
+  if (filename === undefined) {
+    return
+  }
+
+  var params = {}
+
+  if (typeof filename !== 'string') {
+    throw new TypeError('filename must be a string')
+  }
+
+  // fallback defaults to true
+  if (fallback === undefined) {
+    fallback = true
+  }
+
+  if (typeof fallback !== 'string' && typeof fallback !== 'boolean') {
+    throw new TypeError('fallback must be a string or boolean')
+  }
+
+  if (typeof fallback === 'string' && NON_LATIN1_REGEXP.test(fallback)) {
+    throw new TypeError('fallback must be ISO-8859-1 string')
+  }
+
+  // restrict to file base name
+  var name = basename(filename)
+
+  // determine if name is suitable for quoted string
+  var isQuotedString = TEXT_REGEXP.test(name)
+
+  // generate fallback name
+  var fallbackName = typeof fallback !== 'string'
+    ? fallback && getlatin1(name)
+    : basename(fallback)
+  var hasFallback = typeof fallbackName === 'string' && fallbackName !== name
+
+  // set extended filename parameter
+  if (hasFallback || !isQuotedString || HEX_ESCAPE_REGEXP.test(name)) {
+    params['filename*'] = name
+  }
+
+  // set filename parameter
+  if (isQuotedString || hasFallback) {
+    params.filename = hasFallback
+      ? fallbackName
+      : name
+  }
+
+  return params
+}
+
+/**
+ * Format object to Content-Disposition header.
+ *
+ * @param {object} obj
+ * @param {string} obj.type
+ * @param {object} [obj.parameters]
+ * @return {string}
+ * @private
+ */
+
+function format (obj) {
+  var parameters = obj.parameters
+  var type = obj.type
+
+  if (!type || typeof type !== 'string' || !TOKEN_REGEXP.test(type)) {
+    throw new TypeError('invalid type')
+  }
+
+  // start with normalized type
+  var string = String(type).toLowerCase()
+
+  // append parameters
+  if (parameters && typeof parameters === 'object') {
+    var param
+    var params = Object.keys(parameters).sort()
+
+    for (var i = 0; i < params.length; i++) {
+      param = params[i]
+
+      var val = param.substr(-1) === '*'
+        ? ustring(parameters[param])
+        : qstring(parameters[param])
+
+      string += '; ' + param + '=' + val
+    }
+  }
+
+  return string
+}
+
+/**
+ * Decode a RFC 5987 field value (gracefully).
+ *
+ * @param {string} str
+ * @return {string}
+ * @private
+ */
+
+function decodefield (str) {
+  var match = EXT_VALUE_REGEXP.exec(str)
+
+  if (!match) {
+    throw new TypeError('invalid extended field value')
+  }
+
+  var charset = match[1].toLowerCase()
+  var encoded = match[2]
+  var value
+
+  // to binary string
+  var binary = encoded.replace(HEX_ESCAPE_REPLACE_REGEXP, pdecode)
+
+  switch (charset) {
+    case 'iso-8859-1':
+      value = getlatin1(binary)
+      break
+    case 'utf-8':
+      value = Buffer.from(binary, 'binary').toString('utf8')
+      break
+    default:
+      throw new TypeError('unsupported charset in extended field')
+  }
+
+  return value
+}
+
+/**
+ * Get ISO-8859-1 version of string.
+ *
+ * @param {string} val
+ * @return {string}
+ * @private
+ */
+
+function getlatin1 (val) {
+  // simple Unicode -> ISO-8859-1 transformation
+  return String(val).replace(NON_LATIN1_REGEXP, '?')
+}
+
+/**
+ * Parse Content-Disposition header string.
+ *
+ * @param {string} string
+ * @return {object}
+ * @public
+ */
+
+function parse (string) {
+  if (!string || typeof string !== 'string') {
+    throw new TypeError('argument string is required')
+  }
+
+  var match = DISPOSITION_TYPE_REGEXP.exec(string)
+
+  if (!match) {
+    throw new TypeError('invalid type format')
+  }
+
+  // normalize type
+  var index = match[0].length
+  var type = match[1].toLowerCase()
+
+  var key
+  var names = []
+  var params = {}
+  var value
+
+  // calculate index to start at
+  index = PARAM_REGEXP.lastIndex = match[0].substr(-1) === ';'
+    ? index - 1
+    : index
+
+  // match parameters
+  while ((match = PARAM_REGEXP.exec(string))) {
+    if (match.index !== index) {
+      throw new TypeError('invalid parameter format')
+    }
+
+    index += match[0].length
+    key = match[1].toLowerCase()
+    value = match[2]
+
+    if (names.indexOf(key) !== -1) {
+      throw new TypeError('invalid duplicate parameter')
+    }
+
+    names.push(key)
+
+    if (key.indexOf('*') + 1 === key.length) {
+      // decode extended value
+      key = key.slice(0, -1)
+      value = decodefield(value)
+
+      // overwrite existing value
+      params[key] = value
+      continue
+    }
+
+    if (typeof params[key] === 'string') {
+      continue
+    }
+
+    if (value[0] === '"') {
+      // remove quotes and escapes
+      value = value
+        .substr(1, value.length - 2)
+        .replace(QESC_REGEXP, '$1')
+    }
+
+    params[key] = value
+  }
+
+  if (index !== -1 && index !== string.length) {
+    throw new TypeError('invalid parameter format')
+  }
+
+  return new ContentDisposition(type, params)
+}
+
+/**
+ * Percent decode a single character.
+ *
+ * @param {string} str
+ * @param {string} hex
+ * @return {string}
+ * @private
+ */
+
+function pdecode (str, hex) {
+  return String.fromCharCode(parseInt(hex, 16))
+}
+
+/**
+ * Percent encode a single character.
+ *
+ * @param {string} char
+ * @return {string}
+ * @private
+ */
+
+function pencode (char) {
+  return '%' + String(char)
+    .charCodeAt(0)
+    .toString(16)
+    .toUpperCase()
+}
+
+/**
+ * Quote a string for HTTP.
+ *
+ * @param {string} val
+ * @return {string}
+ * @private
+ */
+
+function qstring (val) {
+  var str = String(val)
+
+  return '"' + str.replace(QUOTE_REGEXP, '\\$1') + '"'
+}
+
+/**
+ * Encode a Unicode string for HTTP (RFC 5987).
+ *
+ * @param {string} val
+ * @return {string}
+ * @private
+ */
+
+function ustring (val) {
+  var str = String(val)
+
+  // percent encode as UTF-8
+  var encoded = encodeURIComponent(str)
+    .replace(ENCODE_URL_ATTR_CHAR_REGEXP, pencode)
+
+  return 'UTF-8\'\'' + encoded
+}
+
+/**
+ * Class for parsed Content-Disposition header for v8 optimization
+ *
+ * @public
+ * @param {string} type
+ * @param {object} parameters
+ * @constructor
+ */
+
+function ContentDisposition (type, parameters) {
+  this.type = type
+  this.parameters = parameters
+}
diff --git a/node_modules/content-disposition/package.json b/node_modules/content-disposition/package.json
new file mode 100644
index 000000000..43c70ce24
--- /dev/null
+++ b/node_modules/content-disposition/package.json
@@ -0,0 +1,44 @@
+{
+  "name": "content-disposition",
+  "description": "Create and parse Content-Disposition header",
+  "version": "0.5.4",
+  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
+  "license": "MIT",
+  "keywords": [
+    "content-disposition",
+    "http",
+    "rfc6266",
+    "res"
+  ],
+  "repository": "jshttp/content-disposition",
+  "dependencies": {
+    "safe-buffer": "5.2.1"
+  },
+  "devDependencies": {
+    "deep-equal": "1.0.1",
+    "eslint": "7.32.0",
+    "eslint-config-standard": "13.0.1",
+    "eslint-plugin-import": "2.25.3",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "5.2.0",
+    "eslint-plugin-standard": "4.1.0",
+    "istanbul": "0.4.5",
+    "mocha": "9.1.3"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-ci": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/"
+  }
+}
diff --git a/node_modules/content-type/HISTORY.md b/node_modules/content-type/HISTORY.md
new file mode 100644
index 000000000..8f5cb7030
--- /dev/null
+++ b/node_modules/content-type/HISTORY.md
@@ -0,0 +1,24 @@
+1.0.4 / 2017-09-11
+==================
+
+  * perf: skip parameter parsing when no parameters
+
+1.0.3 / 2017-09-10
+==================
+
+  * perf: remove argument reassignment
+
+1.0.2 / 2016-05-09
+==================
+
+  * perf: enable strict mode
+
+1.0.1 / 2015-02-13
+==================
+
+  * Improve missing `Content-Type` header error message
+
+1.0.0 / 2015-02-01
+==================
+
+  * Initial implementation, derived from `media-typer@0.3.0`
diff --git a/node_modules/content-type/LICENSE b/node_modules/content-type/LICENSE
new file mode 100644
index 000000000..34b1a2de3
--- /dev/null
+++ b/node_modules/content-type/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2015 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/content-type/README.md b/node_modules/content-type/README.md
new file mode 100644
index 000000000..3ed67413c
--- /dev/null
+++ b/node_modules/content-type/README.md
@@ -0,0 +1,92 @@
+# content-type
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Create and parse HTTP Content-Type header according to RFC 7231
+
+## Installation
+
+```sh
+$ npm install content-type
+```
+
+## API
+
+```js
+var contentType = require('content-type')
+```
+
+### contentType.parse(string)
+
+```js
+var obj = contentType.parse('image/svg+xml; charset=utf-8')
+```
+
+Parse a content type string. This will return an object with the following
+properties (examples are shown for the string `'image/svg+xml; charset=utf-8'`):
+
+ - `type`: The media type (the type and subtype, always lower case).
+   Example: `'image/svg+xml'`
+
+ - `parameters`: An object of the parameters in the media type (name of parameter
+   always lower case). Example: `{charset: 'utf-8'}`
+
+Throws a `TypeError` if the string is missing or invalid.
+
+### contentType.parse(req)
+
+```js
+var obj = contentType.parse(req)
+```
+
+Parse the `content-type` header from the given `req`. Short-cut for
+`contentType.parse(req.headers['content-type'])`.
+
+Throws a `TypeError` if the `Content-Type` header is missing or invalid.
+
+### contentType.parse(res)
+
+```js
+var obj = contentType.parse(res)
+```
+
+Parse the `content-type` header set on the given `res`. Short-cut for
+`contentType.parse(res.getHeader('content-type'))`.
+
+Throws a `TypeError` if the `Content-Type` header is missing or invalid.
+
+### contentType.format(obj)
+
+```js
+var str = contentType.format({type: 'image/svg+xml'})
+```
+
+Format an object into a content type string. This will return a string of the
+content type for the given object with the following properties (examples are
+shown that produce the string `'image/svg+xml; charset=utf-8'`):
+
+ - `type`: The media type (will be lower-cased). Example: `'image/svg+xml'`
+
+ - `parameters`: An object of the parameters in the media type (name of the
+   parameter will be lower-cased). Example: `{charset: 'utf-8'}`
+
+Throws a `TypeError` if the object contains an invalid type or parameter names.
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/content-type.svg
+[npm-url]: https://npmjs.org/package/content-type
+[node-version-image]: https://img.shields.io/node/v/content-type.svg
+[node-version-url]: http://nodejs.org/download/
+[travis-image]: https://img.shields.io/travis/jshttp/content-type/master.svg
+[travis-url]: https://travis-ci.org/jshttp/content-type
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/content-type/master.svg
+[coveralls-url]: https://coveralls.io/r/jshttp/content-type
+[downloads-image]: https://img.shields.io/npm/dm/content-type.svg
+[downloads-url]: https://npmjs.org/package/content-type
diff --git a/node_modules/content-type/index.js b/node_modules/content-type/index.js
new file mode 100644
index 000000000..6ce03f208
--- /dev/null
+++ b/node_modules/content-type/index.js
@@ -0,0 +1,222 @@
+/*!
+ * content-type
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * RegExp to match *( ";" parameter ) in RFC 7231 sec 3.1.1.1
+ *
+ * parameter     = token "=" ( token / quoted-string )
+ * token         = 1*tchar
+ * tchar         = "!" / "#" / "$" / "%" / "&" / "'" / "*"
+ *               / "+" / "-" / "." / "^" / "_" / "`" / "|" / "~"
+ *               / DIGIT / ALPHA
+ *               ; any VCHAR, except delimiters
+ * quoted-string = DQUOTE *( qdtext / quoted-pair ) DQUOTE
+ * qdtext        = HTAB / SP / %x21 / %x23-5B / %x5D-7E / obs-text
+ * obs-text      = %x80-FF
+ * quoted-pair   = "\" ( HTAB / SP / VCHAR / obs-text )
+ */
+var PARAM_REGEXP = /; *([!#$%&'*+.^_`|~0-9A-Za-z-]+) *= *("(?:[\u000b\u0020\u0021\u0023-\u005b\u005d-\u007e\u0080-\u00ff]|\\[\u000b\u0020-\u00ff])*"|[!#$%&'*+.^_`|~0-9A-Za-z-]+) */g
+var TEXT_REGEXP = /^[\u000b\u0020-\u007e\u0080-\u00ff]+$/
+var TOKEN_REGEXP = /^[!#$%&'*+.^_`|~0-9A-Za-z-]+$/
+
+/**
+ * RegExp to match quoted-pair in RFC 7230 sec 3.2.6
+ *
+ * quoted-pair = "\" ( HTAB / SP / VCHAR / obs-text )
+ * obs-text    = %x80-FF
+ */
+var QESC_REGEXP = /\\([\u000b\u0020-\u00ff])/g
+
+/**
+ * RegExp to match chars that must be quoted-pair in RFC 7230 sec 3.2.6
+ */
+var QUOTE_REGEXP = /([\\"])/g
+
+/**
+ * RegExp to match type in RFC 7231 sec 3.1.1.1
+ *
+ * media-type = type "/" subtype
+ * type       = token
+ * subtype    = token
+ */
+var TYPE_REGEXP = /^[!#$%&'*+.^_`|~0-9A-Za-z-]+\/[!#$%&'*+.^_`|~0-9A-Za-z-]+$/
+
+/**
+ * Module exports.
+ * @public
+ */
+
+exports.format = format
+exports.parse = parse
+
+/**
+ * Format object to media type.
+ *
+ * @param {object} obj
+ * @return {string}
+ * @public
+ */
+
+function format (obj) {
+  if (!obj || typeof obj !== 'object') {
+    throw new TypeError('argument obj is required')
+  }
+
+  var parameters = obj.parameters
+  var type = obj.type
+
+  if (!type || !TYPE_REGEXP.test(type)) {
+    throw new TypeError('invalid type')
+  }
+
+  var string = type
+
+  // append parameters
+  if (parameters && typeof parameters === 'object') {
+    var param
+    var params = Object.keys(parameters).sort()
+
+    for (var i = 0; i < params.length; i++) {
+      param = params[i]
+
+      if (!TOKEN_REGEXP.test(param)) {
+        throw new TypeError('invalid parameter name')
+      }
+
+      string += '; ' + param + '=' + qstring(parameters[param])
+    }
+  }
+
+  return string
+}
+
+/**
+ * Parse media type to object.
+ *
+ * @param {string|object} string
+ * @return {Object}
+ * @public
+ */
+
+function parse (string) {
+  if (!string) {
+    throw new TypeError('argument string is required')
+  }
+
+  // support req/res-like objects as argument
+  var header = typeof string === 'object'
+    ? getcontenttype(string)
+    : string
+
+  if (typeof header !== 'string') {
+    throw new TypeError('argument string is required to be a string')
+  }
+
+  var index = header.indexOf(';')
+  var type = index !== -1
+    ? header.substr(0, index).trim()
+    : header.trim()
+
+  if (!TYPE_REGEXP.test(type)) {
+    throw new TypeError('invalid media type')
+  }
+
+  var obj = new ContentType(type.toLowerCase())
+
+  // parse parameters
+  if (index !== -1) {
+    var key
+    var match
+    var value
+
+    PARAM_REGEXP.lastIndex = index
+
+    while ((match = PARAM_REGEXP.exec(header))) {
+      if (match.index !== index) {
+        throw new TypeError('invalid parameter format')
+      }
+
+      index += match[0].length
+      key = match[1].toLowerCase()
+      value = match[2]
+
+      if (value[0] === '"') {
+        // remove quotes and escapes
+        value = value
+          .substr(1, value.length - 2)
+          .replace(QESC_REGEXP, '$1')
+      }
+
+      obj.parameters[key] = value
+    }
+
+    if (index !== header.length) {
+      throw new TypeError('invalid parameter format')
+    }
+  }
+
+  return obj
+}
+
+/**
+ * Get content-type from req/res objects.
+ *
+ * @param {object}
+ * @return {Object}
+ * @private
+ */
+
+function getcontenttype (obj) {
+  var header
+
+  if (typeof obj.getHeader === 'function') {
+    // res-like
+    header = obj.getHeader('content-type')
+  } else if (typeof obj.headers === 'object') {
+    // req-like
+    header = obj.headers && obj.headers['content-type']
+  }
+
+  if (typeof header !== 'string') {
+    throw new TypeError('content-type header is missing from object')
+  }
+
+  return header
+}
+
+/**
+ * Quote a string if necessary.
+ *
+ * @param {string} val
+ * @return {string}
+ * @private
+ */
+
+function qstring (val) {
+  var str = String(val)
+
+  // no need to quote tokens
+  if (TOKEN_REGEXP.test(str)) {
+    return str
+  }
+
+  if (str.length > 0 && !TEXT_REGEXP.test(str)) {
+    throw new TypeError('invalid parameter value')
+  }
+
+  return '"' + str.replace(QUOTE_REGEXP, '\\$1') + '"'
+}
+
+/**
+ * Class to represent a content type.
+ * @private
+ */
+function ContentType (type) {
+  this.parameters = Object.create(null)
+  this.type = type
+}
diff --git a/node_modules/content-type/package.json b/node_modules/content-type/package.json
new file mode 100644
index 000000000..f2d31d412
--- /dev/null
+++ b/node_modules/content-type/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "content-type",
+  "description": "Create and parse HTTP Content-Type header",
+  "version": "1.0.4",
+  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
+  "license": "MIT",
+  "keywords": [
+    "content-type",
+    "http",
+    "req",
+    "res",
+    "rfc7231"
+  ],
+  "repository": "jshttp/content-type",
+  "devDependencies": {
+    "eslint": "3.19.0",
+    "eslint-config-standard": "10.2.1",
+    "eslint-plugin-import": "2.7.0",
+    "eslint-plugin-node": "5.1.1",
+    "eslint-plugin-promise": "3.5.0",
+    "eslint-plugin-standard": "3.0.1",
+    "istanbul": "0.4.5",
+    "mocha": "~1.21.5"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --check-leaks --bail test/",
+    "test-ci": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/"
+  }
+}
diff --git a/node_modules/cookie-parser/HISTORY.md b/node_modules/cookie-parser/HISTORY.md
new file mode 100644
index 000000000..e4073d566
--- /dev/null
+++ b/node_modules/cookie-parser/HISTORY.md
@@ -0,0 +1,100 @@
+1.4.6 / 2021-11-16
+==================
+
+  * deps: cookie@0.4.1
+
+1.4.5 / 2020-03-14
+==================
+
+  * deps: cookie@0.4.0
+
+1.4.4 / 2019-02-12
+==================
+
+  * perf: normalize `secret` argument only once
+
+1.4.3 / 2016-05-26
+==================
+
+  * deps: cookie@0.3.1
+    - perf: use for loop in parse
+
+1.4.2 / 2016-05-20
+==================
+
+  * deps: cookie@0.2.4
+    - perf: enable strict mode
+    - perf: use for loop in parse
+    - perf: use string concatenation for serialization
+
+1.4.1 / 2016-01-11
+==================
+
+  * deps: cookie@0.2.3
+  * perf: enable strict mode
+
+1.4.0 / 2015-09-18
+==================
+
+  * Accept array of secrets in addition to a single secret
+  * Fix `JSONCookie` to return `undefined` for non-string arguments
+  * Fix `signedCookie` to return `undefined` for non-string arguments
+  * deps: cookie@0.2.2
+
+1.3.5 / 2015-05-19
+==================
+
+  * deps: cookie@0.1.3
+    - Slight optimizations
+
+1.3.4 / 2015-02-15
+==================
+
+  * deps: cookie-signature@1.0.6
+
+1.3.3 / 2014-09-05
+==================
+
+  * deps: cookie-signature@1.0.5
+
+1.3.2 / 2014-06-26
+==================
+
+  * deps: cookie-signature@1.0.4
+    - fix for timing attacks
+
+1.3.1 / 2014-06-17
+==================
+
+  * actually export `signedCookie`
+
+1.3.0 / 2014-06-17
+==================
+
+  * add `signedCookie` export for single cookie unsigning
+
+1.2.0 / 2014-06-17
+==================
+
+  * export parsing functions
+  * `req.cookies` and `req.signedCookies` are now plain objects
+  * slightly faster parsing of many cookies
+
+1.1.0 / 2014-05-12
+==================
+
+  * Support for NodeJS version 0.8
+  * deps: cookie@0.1.2
+    - Fix for maxAge == 0
+    - made compat with expires field
+    - tweak maxAge NaN error message
+
+1.0.1 / 2014-02-20
+==================
+
+  * add missing dependencies
+
+1.0.0 / 2014-02-15
+==================
+
+  * Genesis from `connect`
diff --git a/node_modules/cookie-parser/LICENSE b/node_modules/cookie-parser/LICENSE
new file mode 100644
index 000000000..343f2adab
--- /dev/null
+++ b/node_modules/cookie-parser/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2014 TJ Holowaychuk <tj@vision-media.ca>
+Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/cookie-parser/README.md b/node_modules/cookie-parser/README.md
new file mode 100644
index 000000000..b8ecd7b24
--- /dev/null
+++ b/node_modules/cookie-parser/README.md
@@ -0,0 +1,119 @@
+# cookie-parser
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Build Status][ci-image]][ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Parse `Cookie` header and populate `req.cookies` with an object keyed by the
+cookie names. Optionally you may enable signed cookie support by passing a
+`secret` string, which assigns `req.secret` so it may be used by other
+middleware.
+
+## Installation
+
+```sh
+$ npm install cookie-parser
+```
+
+## API
+
+```js
+var cookieParser = require('cookie-parser')
+```
+
+### cookieParser(secret, options)
+
+Create a new cookie parser middleware function using the given `secret` and
+`options`.
+
+- `secret` a string or array used for signing cookies. This is optional and if
+  not specified, will not parse signed cookies. If a string is provided, this
+  is used as the secret. If an array is provided, an attempt will be made to
+  unsign the cookie with each secret in order.
+- `options` an object that is passed to `cookie.parse` as the second option. See
+  [cookie](https://www.npmjs.org/package/cookie) for more information.
+  - `decode` a function to decode the value of the cookie
+
+The middleware will parse the `Cookie` header on the request and expose the
+cookie data as the property `req.cookies` and, if a `secret` was provided, as
+the property `req.signedCookies`. These properties are name value pairs of the
+cookie name to cookie value.
+
+When `secret` is provided, this module will unsign and validate any signed cookie
+values and move those name value pairs from `req.cookies` into `req.signedCookies`.
+A signed cookie is a cookie that has a value prefixed with `s:`. Signed cookies
+that fail signature validation will have the value `false` instead of the tampered
+value.
+
+In addition, this module supports special "JSON cookies". These are cookie where
+the value is prefixed with `j:`. When these values are encountered, the value will
+be exposed as the result of `JSON.parse`. If parsing fails, the original value will
+remain.
+
+### cookieParser.JSONCookie(str)
+
+Parse a cookie value as a JSON cookie. This will return the parsed JSON value
+if it was a JSON cookie, otherwise, it will return the passed value.
+
+### cookieParser.JSONCookies(cookies)
+
+Given an object, this will iterate over the keys and call `JSONCookie` on each
+value, replacing the original value with the parsed value. This returns the
+same object that was passed in.
+
+### cookieParser.signedCookie(str, secret)
+
+Parse a cookie value as a signed cookie. This will return the parsed unsigned
+value if it was a signed cookie and the signature was valid. If the value was
+not signed, the original value is returned. If the value was signed but the
+signature could not be validated, `false` is returned.
+
+The `secret` argument can be an array or string. If a string is provided, this
+is used as the secret. If an array is provided, an attempt will be made to
+unsign the cookie with each secret in order.
+
+### cookieParser.signedCookies(cookies, secret)
+
+Given an object, this will iterate over the keys and check if any value is a
+signed cookie. If it is a signed cookie and the signature is valid, the key
+will be deleted from the object and added to the new object that is returned.
+
+The `secret` argument can be an array or string. If a string is provided, this
+is used as the secret. If an array is provided, an attempt will be made to
+unsign the cookie with each secret in order.
+
+## Example
+
+```js
+var express = require('express')
+var cookieParser = require('cookie-parser')
+
+var app = express()
+app.use(cookieParser())
+
+app.get('/', function (req, res) {
+  // Cookies that have not been signed
+  console.log('Cookies: ', req.cookies)
+
+  // Cookies that have been signed
+  console.log('Signed Cookies: ', req.signedCookies)
+})
+
+app.listen(8080)
+
+// curl command that sends an HTTP request with two cookies
+// curl http://127.0.0.1:8080 --cookie "Cho=Kim;Greet=Hello"
+```
+
+## License
+
+[MIT](LICENSE)
+
+[ci-image]: https://badgen.net/github/checks/expressjs/cookie-parser/master?label=ci
+[ci-url]: https://github.com/expressjs/cookie-parser/actions?query=workflow%3Aci
+[coveralls-image]: https://badgen.net/coveralls/c/github/expressjs/cookie-parser/master
+[coveralls-url]: https://coveralls.io/r/expressjs/cookie-parser?branch=master
+[npm-downloads-image]: https://badgen.net/npm/dm/cookie-parser
+[npm-url]: https://npmjs.org/package/cookie-parser
+[npm-version-image]: https://badgen.net/npm/v/cookie-parser
diff --git a/node_modules/cookie-parser/index.js b/node_modules/cookie-parser/index.js
new file mode 100644
index 000000000..dd6d479ad
--- /dev/null
+++ b/node_modules/cookie-parser/index.js
@@ -0,0 +1,182 @@
+/*!
+ * cookie-parser
+ * Copyright(c) 2014 TJ Holowaychuk
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var cookie = require('cookie')
+var signature = require('cookie-signature')
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = cookieParser
+module.exports.JSONCookie = JSONCookie
+module.exports.JSONCookies = JSONCookies
+module.exports.signedCookie = signedCookie
+module.exports.signedCookies = signedCookies
+
+/**
+ * Parse Cookie header and populate `req.cookies`
+ * with an object keyed by the cookie names.
+ *
+ * @param {string|array} [secret] A string (or array of strings) representing cookie signing secret(s).
+ * @param {Object} [options]
+ * @return {Function}
+ * @public
+ */
+
+function cookieParser (secret, options) {
+  var secrets = !secret || Array.isArray(secret)
+    ? (secret || [])
+    : [secret]
+
+  return function cookieParser (req, res, next) {
+    if (req.cookies) {
+      return next()
+    }
+
+    var cookies = req.headers.cookie
+
+    req.secret = secrets[0]
+    req.cookies = Object.create(null)
+    req.signedCookies = Object.create(null)
+
+    // no cookies
+    if (!cookies) {
+      return next()
+    }
+
+    req.cookies = cookie.parse(cookies, options)
+
+    // parse signed cookies
+    if (secrets.length !== 0) {
+      req.signedCookies = signedCookies(req.cookies, secrets)
+      req.signedCookies = JSONCookies(req.signedCookies)
+    }
+
+    // parse JSON cookies
+    req.cookies = JSONCookies(req.cookies)
+
+    next()
+  }
+}
+
+/**
+ * Parse JSON cookie string.
+ *
+ * @param {String} str
+ * @return {Object} Parsed object or undefined if not json cookie
+ * @public
+ */
+
+function JSONCookie (str) {
+  if (typeof str !== 'string' || str.substr(0, 2) !== 'j:') {
+    return undefined
+  }
+
+  try {
+    return JSON.parse(str.slice(2))
+  } catch (err) {
+    return undefined
+  }
+}
+
+/**
+ * Parse JSON cookies.
+ *
+ * @param {Object} obj
+ * @return {Object}
+ * @public
+ */
+
+function JSONCookies (obj) {
+  var cookies = Object.keys(obj)
+  var key
+  var val
+
+  for (var i = 0; i < cookies.length; i++) {
+    key = cookies[i]
+    val = JSONCookie(obj[key])
+
+    if (val) {
+      obj[key] = val
+    }
+  }
+
+  return obj
+}
+
+/**
+ * Parse a signed cookie string, return the decoded value.
+ *
+ * @param {String} str signed cookie string
+ * @param {string|array} secret
+ * @return {String} decoded value
+ * @public
+ */
+
+function signedCookie (str, secret) {
+  if (typeof str !== 'string') {
+    return undefined
+  }
+
+  if (str.substr(0, 2) !== 's:') {
+    return str
+  }
+
+  var secrets = !secret || Array.isArray(secret)
+    ? (secret || [])
+    : [secret]
+
+  for (var i = 0; i < secrets.length; i++) {
+    var val = signature.unsign(str.slice(2), secrets[i])
+
+    if (val !== false) {
+      return val
+    }
+  }
+
+  return false
+}
+
+/**
+ * Parse signed cookies, returning an object containing the decoded key/value
+ * pairs, while removing the signed key from obj.
+ *
+ * @param {Object} obj
+ * @param {string|array} secret
+ * @return {Object}
+ * @public
+ */
+
+function signedCookies (obj, secret) {
+  var cookies = Object.keys(obj)
+  var dec
+  var key
+  var ret = Object.create(null)
+  var val
+
+  for (var i = 0; i < cookies.length; i++) {
+    key = cookies[i]
+    val = obj[key]
+    dec = signedCookie(val, secret)
+
+    if (val !== dec) {
+      ret[key] = dec
+      delete obj[key]
+    }
+  }
+
+  return ret
+}
diff --git a/node_modules/cookie-parser/package.json b/node_modules/cookie-parser/package.json
new file mode 100644
index 000000000..4efac1733
--- /dev/null
+++ b/node_modules/cookie-parser/package.json
@@ -0,0 +1,45 @@
+{
+  "name": "cookie-parser",
+  "description": "Parse HTTP request cookies",
+  "version": "1.4.6",
+  "author": "TJ Holowaychuk <tj@vision-media.ca> (http://tjholowaychuk.com)",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>"
+  ],
+  "license": "MIT",
+  "repository": "expressjs/cookie-parser",
+  "keywords": [
+    "cookie",
+    "middleware"
+  ],
+  "dependencies": {
+    "cookie": "0.4.1",
+    "cookie-signature": "1.0.6"
+  },
+  "devDependencies": {
+    "eslint": "7.32.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.25.2",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "4.3.1",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "9.1.3",
+    "nyc": "15.1.0",
+    "supertest": "6.1.6"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8.0"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  }
+}
diff --git a/node_modules/cookie-session/HISTORY.md b/node_modules/cookie-session/HISTORY.md
new file mode 100644
index 000000000..8b5a5344b
--- /dev/null
+++ b/node_modules/cookie-session/HISTORY.md
@@ -0,0 +1,82 @@
+1.4.0 / 2020-01-06
+==================
+
+  * deps: cookies@0.8.0
+    - Fix check for default `secure` option behavior
+    - Fix `maxAge` option preventing cookie deletion
+    - Support `"none"` in `sameSite` option
+    - deps: depd@~2.0.0
+    - deps: keygrip@~1.1.0
+
+1.3.3 / 2019-02-28
+==================
+
+  * deps: cookies@0.7.3
+    - deps: depd@~1.1.2
+    - deps: keygrip@~1.0.3
+    - perf: remove argument reassignment
+  * deps: on-headers@~1.0.2
+    - Fix `res.writeHead` patch missing return value
+
+1.3.2 / 2017-09-24
+==================
+
+  * deps: debug@2.6.9
+
+1.3.1 / 2017-08-27
+==================
+
+  * deps: cookies@0.7.1
+    - deps: depd@~1.1.1
+    - deps: keygrip@~1.0.2
+
+1.3.0 / 2017-08-03
+==================
+
+  * deps: cookies@0.7.0
+    - Add `sameSite` option for SameSite cookie support
+    - Throw on invalid values provided to `Cookie` constructor
+    - deps: keygrip@~1.0.1
+    - pref: enable strict mode
+  * deps: debug@2.6.8
+    - Allow colors in workers
+    - Deprecate `DEBUG_FD` environment variable set to 3 or higher
+    - Fix error when running under React Native
+    - Use same color for same namespace
+    - deps: ms@2.0.0
+  * deps: on-headers@~1.0.1
+    - perf: enable strict mode
+
+1.2.0 / 2015-07-01
+==================
+
+  * Make `isNew` non-enumerable and non-writeable
+  * Make `req.sessionOptions` a shallow clone to override per-request
+  * deps: debug@~2.2.0
+    - Fix high intensity foreground color for bold
+    - deps: ms@0.7.0
+  * perf: enable strict mode
+  * perf: remove argument reassignments
+
+1.1.0 / 2014-11-09
+==================
+
+  * Fix errors setting cookies to be non-fatal
+  * Use `on-headers` instead of `writeHead` patching
+  * deps: cookies@0.5.0
+  * deps: debug@~2.1.0
+
+1.0.2 / 2014-05-07
+==================
+
+  * Add `name` option
+
+1.0.1 / 2014-02-24
+==================
+
+  * Fix duplicate `dependencies` in `package.json`
+
+1.0.0 / 2014-02-23
+==================
+
+  * Initial release
diff --git a/node_modules/cookie-session/LICENSE b/node_modules/cookie-session/LICENSE
new file mode 100644
index 000000000..1667172ed
--- /dev/null
+++ b/node_modules/cookie-session/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2013 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2014-2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/cookie-session/README.md b/node_modules/cookie-session/README.md
new file mode 100644
index 000000000..ca1493292
--- /dev/null
+++ b/node_modules/cookie-session/README.md
@@ -0,0 +1,171 @@
+# cookie-session
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Simple cookie-based session middleware.
+
+A user session can be stored in two main ways with cookies: on the server or on
+the client. This module stores the session data on the client within a cookie,
+while a module like [express-session](https://www.npmjs.com/package/express-session)
+stores only a session identifier on the client within a cookie and stores the
+session data on the server, typically in a database.
+
+The following points can help you choose which to use:
+
+  * `cookie-session` does not require any database / resources on the server side,
+    though the total session data cannot exceed the browser's max cookie size.
+  * `cookie-session` can simplify certain load-balanced scenarios.
+  * `cookie-session` can be used to store a "light" session and include an identifier
+    to look up a database-backed secondary store to reduce database lookups.
+
+## Semantics
+
+  This module provides "guest" sessions, meaning any visitor will have a session,
+  authenticated or not. If a session is _new_ a `Set-Cookie` will be produced regardless
+  of populating the session.
+
+## Install
+
+```bash
+$ npm install cookie-session
+```
+
+## API
+
+```js
+var cookieSession = require('cookie-session')
+```
+
+### cookieSession(options)
+
+Create a new cookie session middleware with the provided options.
+
+#### Options
+
+Cookie session accepts these properties in the options object.
+
+##### name
+
+The name of the cookie to set, defaults to `express:sess`.
+
+##### keys
+
+The list of keys to use to sign & verify cookie values. Set cookies are always
+signed with `keys[0]`, while the other keys are valid for verification, allowing
+for key rotation.
+
+##### secret
+
+A string which will be used as single key if `keys` is not provided.
+
+##### Cookie Options
+
+Other options are passed to `cookies.get()` and `cookies.set()` allowing you
+to control security, domain, path, and signing among other settings.
+
+The options can also contain any of the following (for the full list, see
+[cookies module documentation](https://www.npmjs.org/package/cookies#readme):
+
+  - `maxAge`: a number representing the milliseconds from `Date.now()` for expiry
+  - `expires`: a `Date` object indicating the cookie's expiration date (expires at the end of session by default).
+  - `path`: a string indicating the path of the cookie (`/` by default).
+  - `domain`: a string indicating the domain of the cookie (no default).
+  - `secure`: a boolean indicating whether the cookie is only to be sent over HTTPS (`false` by default for HTTP, `true` by default for HTTPS).
+  - `secureProxy`: a boolean indicating whether the cookie is only to be sent over HTTPS (use this if you handle SSL not in your node process).
+  - `httpOnly`: a boolean indicating whether the cookie is only to be sent over HTTP(S), and not made available to client JavaScript (`true` by default).
+  - `signed`: a boolean indicating whether the cookie is to be signed (`true` by default).
+  - `overwrite`: a boolean indicating whether to overwrite previously set cookies of the same name (`true` by default).
+
+### req.session
+
+Represents the session for the given request.
+
+#### .isNew
+
+Is `true` if the session is new.
+
+#### .populated
+
+Determine if the session has been populated with data or is empty.
+
+### req.sessionOptions
+
+Represents the session options for the current request. These options are a
+shallow clone of what was provided at middleware construction and can be
+altered to change cookie setting behavior on a per-request basis.
+
+### Destroying a session
+
+  To destroy a session simply set it to `null`:
+
+```js
+req.session = null
+```
+
+## Example
+
+### Simple view counter example
+
+```js
+var cookieSession = require('cookie-session')
+var express = require('express')
+
+var app = express()
+
+app.set('trust proxy', 1) // trust first proxy
+
+app.use(cookieSession({
+  name: 'session',
+  keys: ['key1', 'key2']
+}))
+
+app.use(function (req, res, next) {
+  // Update views
+  req.session.views = (req.session.views || 0) + 1
+
+  // Write response
+  res.end(req.session.views + ' views')
+})
+
+app.listen(3000)
+```
+
+## Per-user sticky max age
+
+```js
+var cookieSession = require('cookie-session')
+var express = require('express')
+
+var app = express()
+
+app.set('trust proxy', 1) // trust first proxy
+
+app.use(cookieSession({
+  name: 'session',
+  keys: ['key1', 'key2']
+}))
+
+// This allows you to set req.session.maxAge to let certain sessions
+// have a different value than the default.
+app.use(function (req, res, next) {
+  req.sessionOptions.maxAge = req.session.maxAge || req.sessionOptions.maxAge
+})
+
+// ... your logic here ...
+```
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/cookie-session.svg
+[npm-url]: https://npmjs.org/package/cookie-session
+[travis-image]: https://img.shields.io/travis/expressjs/cookie-session/master.svg
+[travis-url]: https://travis-ci.org/expressjs/cookie-session
+[coveralls-image]: https://img.shields.io/coveralls/expressjs/cookie-session.svg
+[coveralls-url]: https://coveralls.io/r/expressjs/cookie-session?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/cookie-session.svg
+[downloads-url]: https://npmjs.org/package/cookie-session
diff --git a/node_modules/cookie-session/index.js b/node_modules/cookie-session/index.js
new file mode 100644
index 000000000..92d284b9c
--- /dev/null
+++ b/node_modules/cookie-session/index.js
@@ -0,0 +1,253 @@
+/*!
+ * cookie-session
+ * Copyright(c) 2013 Jonathan Ong
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var debug = require('debug')('cookie-session');
+var Cookies = require('cookies');
+var onHeaders = require('on-headers');
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = cookieSession
+
+/**
+ * Create a new cookie session middleware.
+ *
+ * @param {object} [options]
+ * @param {boolean} [options.httpOnly=true]
+ * @param {array} [options.keys]
+ * @param {string} [options.name=express:sess] Name of the cookie to use
+ * @param {boolean} [options.overwrite=true]
+ * @param {string} [options.secret]
+ * @param {boolean} [options.signed=true]
+ * @return {function} middleware
+ * @public
+ */
+
+function cookieSession(options) {
+  var opts = options || {}
+
+  // name - previously "opts.key"
+  var name = opts.name || opts.key || 'express:sess';
+
+  // secrets
+  var keys = opts.keys;
+  if (!keys && opts.secret) keys = [opts.secret];
+
+  // defaults
+  if (null == opts.overwrite) opts.overwrite = true;
+  if (null == opts.httpOnly) opts.httpOnly = true;
+  if (null == opts.signed) opts.signed = true;
+
+  if (!keys && opts.signed) throw new Error('.keys required.');
+
+  debug('session options %j', opts);
+
+  return function _cookieSession(req, res, next) {
+    var cookies = req.sessionCookies = new Cookies(req, res, {
+      keys: keys
+    });
+    var sess, json;
+
+    // to pass to Session()
+    req.sessionOptions = Object.create(opts)
+    req.sessionKey = name
+
+    req.__defineGetter__('session', function(){
+      // already retrieved
+      if (sess) return sess;
+
+      // unset
+      if (false === sess) return null;
+
+      json = cookies.get(name, req.sessionOptions)
+
+      if (json) {
+        debug('parse %s', json);
+        try {
+          sess = new Session(req, decode(json));
+        } catch (err) {
+          // backwards compatibility:
+          // create a new session if parsing fails.
+          // new Buffer(string, 'base64') does not seem to crash
+          // when `string` is not base64-encoded.
+          // but `JSON.parse(string)` will crash.
+          if (!(err instanceof SyntaxError)) throw err;
+          sess = new Session(req);
+        }
+      } else {
+        debug('new session');
+        sess = new Session(req);
+      }
+
+      return sess;
+    });
+
+    req.__defineSetter__('session', function(val){
+      if (null == val) return sess = false;
+      if ('object' == typeof val) return sess = new Session(req, val);
+      throw new Error('req.session can only be set as null or an object.');
+    });
+
+    onHeaders(res, function setHeaders() {
+      if (sess === undefined) {
+        // not accessed
+        return;
+      }
+
+      try {
+        if (sess === false) {
+          // remove
+          cookies.set(name, '', req.sessionOptions)
+        } else if (!json && !sess.length) {
+          // do nothing if new and not populated
+        } else if (sess.changed(json)) {
+          // save
+          sess.save();
+        }
+      } catch (e) {
+        debug('error saving session %s', e.message);
+      }
+    });
+
+    next();
+  }
+};
+
+/**
+ * Session model.
+ *
+ * @param {Context} ctx
+ * @param {Object} obj
+ * @private
+ */
+
+function Session(ctx, obj) {
+  this._ctx = ctx
+
+  Object.defineProperty(this, 'isNew', {
+    value: !obj
+  })
+
+  if (obj) {
+    for (var key in obj) {
+      this[key] = obj[key]
+    }
+  }
+}
+
+/**
+ * JSON representation of the session.
+ *
+ * @return {Object}
+ * @public
+ */
+
+Session.prototype.inspect =
+Session.prototype.toJSON = function toJSON() {
+  var keys = Object.keys(this)
+  var obj = {}
+
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i]
+
+    if (key[0] !== '_') {
+      obj[key] = this[key]
+    }
+  }
+
+  return obj
+}
+
+/**
+ * Check if the session has changed relative to the `prev`
+ * JSON value from the request.
+ *
+ * @param {String} [prev]
+ * @return {Boolean}
+ * @private
+ */
+
+Session.prototype.changed = function(prev){
+  if (!prev) return true;
+  this._json = encode(this);
+  return this._json != prev;
+};
+
+/**
+ * Return how many values there are in the session object.
+ * Used to see if it's "populated".
+ *
+ * @return {Number}
+ * @public
+ */
+
+Session.prototype.__defineGetter__('length', function(){
+  return Object.keys(this.toJSON()).length;
+});
+
+/**
+ * populated flag, which is just a boolean alias of .length.
+ *
+ * @return {Boolean}
+ * @public
+ */
+
+Session.prototype.__defineGetter__('populated', function(){
+  return !!this.length;
+});
+
+/**
+ * Save session changes by performing a Set-Cookie.
+ *
+ * @private
+ */
+
+Session.prototype.save = function(){
+  var ctx = this._ctx;
+  var json = this._json || encode(this);
+  var opts = ctx.sessionOptions;
+  var name = ctx.sessionKey;
+
+  debug('save %s', json);
+  ctx.sessionCookies.set(name, json, opts);
+};
+
+/**
+ * Decode the base64 cookie value to an object.
+ *
+ * @param {String} string
+ * @return {Object}
+ * @private
+ */
+
+function decode(string) {
+  var body = new Buffer(string, 'base64').toString('utf8');
+  return JSON.parse(body);
+}
+
+/**
+ * Encode an object into a base64-encoded JSON string.
+ *
+ * @param {Object} body
+ * @return {String}
+ * @private
+ */
+
+function encode(body) {
+  var str = JSON.stringify(body)
+  return new Buffer(str).toString('base64')
+}
diff --git a/node_modules/cookie-session/package.json b/node_modules/cookie-session/package.json
new file mode 100644
index 000000000..9e8b854f4
--- /dev/null
+++ b/node_modules/cookie-session/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "cookie-session",
+  "description": "cookie session middleware",
+  "repository": "expressjs/cookie-session",
+  "version": "1.4.0",
+  "keywords": [
+    "connect",
+    "express",
+    "middleware",
+    "session"
+  ],
+  "dependencies": {
+    "cookies": "0.8.0",
+    "debug": "2.6.9",
+    "on-headers": "~1.0.2"
+  },
+  "devDependencies": {
+    "connect": "3",
+    "istanbul": "0.4.5",
+    "mocha": "2.5.3",
+    "supertest": "1.1.0"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "README.md",
+    "index.js"
+  ],
+  "license": "MIT",
+  "scripts": {
+    "test": "mocha --check-leaks --reporter spec --bail test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --check-leaks --reporter dot test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --check-leaks --reporter spec test/"
+  }
+}
diff --git a/node_modules/cookie-signature/.npmignore b/node_modules/cookie-signature/.npmignore
new file mode 100644
index 000000000..f1250e584
--- /dev/null
+++ b/node_modules/cookie-signature/.npmignore
@@ -0,0 +1,4 @@
+support
+test
+examples
+*.sock
diff --git a/node_modules/cookie-signature/History.md b/node_modules/cookie-signature/History.md
new file mode 100644
index 000000000..78513cc3d
--- /dev/null
+++ b/node_modules/cookie-signature/History.md
@@ -0,0 +1,38 @@
+1.0.6 / 2015-02-03
+==================
+
+* use `npm test` instead of `make test` to run tests
+* clearer assertion messages when checking input
+
+
+1.0.5 / 2014-09-05
+==================
+
+* add license to package.json
+
+1.0.4 / 2014-06-25
+==================
+
+ * corrected avoidance of timing attacks (thanks @tenbits!)
+
+1.0.3 / 2014-01-28
+==================
+
+ * [incorrect] fix for timing attacks
+
+1.0.2 / 2014-01-28
+==================
+
+ * fix missing repository warning
+ * fix typo in test
+
+1.0.1 / 2013-04-15
+==================
+
+  * Revert "Changed underlying HMAC algo. to sha512."
+  * Revert "Fix for timing attacks on MAC verification."
+
+0.0.1 / 2010-01-03
+==================
+
+  * Initial release
diff --git a/node_modules/cookie-signature/Readme.md b/node_modules/cookie-signature/Readme.md
new file mode 100644
index 000000000..2559e841b
--- /dev/null
+++ b/node_modules/cookie-signature/Readme.md
@@ -0,0 +1,42 @@
+
+# cookie-signature
+
+  Sign and unsign cookies.
+
+## Example
+
+```js
+var cookie = require('cookie-signature');
+
+var val = cookie.sign('hello', 'tobiiscool');
+val.should.equal('hello.DGDUkGlIkCzPz+C0B064FNgHdEjox7ch8tOBGslZ5QI');
+
+var val = cookie.sign('hello', 'tobiiscool');
+cookie.unsign(val, 'tobiiscool').should.equal('hello');
+cookie.unsign(val, 'luna').should.be.false;
+```
+
+## License 
+
+(The MIT License)
+
+Copyright (c) 2012 LearnBoost &lt;tj@learnboost.com&gt;
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/cookie-signature/index.js b/node_modules/cookie-signature/index.js
new file mode 100644
index 000000000..b8c9463a2
--- /dev/null
+++ b/node_modules/cookie-signature/index.js
@@ -0,0 +1,51 @@
+/**
+ * Module dependencies.
+ */
+
+var crypto = require('crypto');
+
+/**
+ * Sign the given `val` with `secret`.
+ *
+ * @param {String} val
+ * @param {String} secret
+ * @return {String}
+ * @api private
+ */
+
+exports.sign = function(val, secret){
+  if ('string' != typeof val) throw new TypeError("Cookie value must be provided as a string.");
+  if ('string' != typeof secret) throw new TypeError("Secret string must be provided.");
+  return val + '.' + crypto
+    .createHmac('sha256', secret)
+    .update(val)
+    .digest('base64')
+    .replace(/\=+$/, '');
+};
+
+/**
+ * Unsign and decode the given `val` with `secret`,
+ * returning `false` if the signature is invalid.
+ *
+ * @param {String} val
+ * @param {String} secret
+ * @return {String|Boolean}
+ * @api private
+ */
+
+exports.unsign = function(val, secret){
+  if ('string' != typeof val) throw new TypeError("Signed cookie string must be provided.");
+  if ('string' != typeof secret) throw new TypeError("Secret string must be provided.");
+  var str = val.slice(0, val.lastIndexOf('.'))
+    , mac = exports.sign(str, secret);
+  
+  return sha1(mac) == sha1(val) ? str : false;
+};
+
+/**
+ * Private
+ */
+
+function sha1(str){
+  return crypto.createHash('sha1').update(str).digest('hex');
+}
diff --git a/node_modules/cookie-signature/package.json b/node_modules/cookie-signature/package.json
new file mode 100644
index 000000000..29c4498e0
--- /dev/null
+++ b/node_modules/cookie-signature/package.json
@@ -0,0 +1,18 @@
+{
+  "name": "cookie-signature",
+  "version": "1.0.6",
+  "description": "Sign and unsign cookies",
+  "keywords": ["cookie", "sign", "unsign"],
+  "author": "TJ Holowaychuk <tj@learnboost.com>",
+  "license": "MIT",
+  "repository": { "type": "git", "url": "https://github.com/visionmedia/node-cookie-signature.git"},
+  "dependencies": {},
+  "devDependencies": {
+    "mocha": "*",
+    "should": "*"
+  },
+  "scripts": {
+    "test": "mocha --require should --reporter spec"
+  },
+  "main": "index"
+}
diff --git a/node_modules/cookie/HISTORY.md b/node_modules/cookie/HISTORY.md
new file mode 100644
index 000000000..ce080e010
--- /dev/null
+++ b/node_modules/cookie/HISTORY.md
@@ -0,0 +1,128 @@
+0.4.1 / 2020-04-21
+==================
+
+  * Fix `maxAge` option to reject invalid values
+
+0.4.0 / 2019-05-15
+==================
+
+  * Add `SameSite=None` support
+
+0.3.1 / 2016-05-26
+==================
+
+  * Fix `sameSite: true` to work with draft-7 clients
+    - `true` now sends `SameSite=Strict` instead of `SameSite`
+
+0.3.0 / 2016-05-26
+==================
+
+  * Add `sameSite` option
+    - Replaces `firstPartyOnly` option, never implemented by browsers
+  * Improve error message when `encode` is not a function
+  * Improve error message when `expires` is not a `Date`
+
+0.2.4 / 2016-05-20
+==================
+
+  * perf: enable strict mode
+  * perf: use for loop in parse
+  * perf: use string concatination for serialization
+
+0.2.3 / 2015-10-25
+==================
+
+  * Fix cookie `Max-Age` to never be a floating point number
+
+0.2.2 / 2015-09-17
+==================
+
+  * Fix regression when setting empty cookie value
+    - Ease the new restriction, which is just basic header-level validation
+  * Fix typo in invalid value errors
+
+0.2.1 / 2015-09-17
+==================
+
+  * Throw on invalid values provided to `serialize`
+    - Ensures the resulting string is a valid HTTP header value
+
+0.2.0 / 2015-08-13
+==================
+
+  * Add `firstPartyOnly` option
+  * Throw better error for invalid argument to parse
+  * perf: hoist regular expression
+
+0.1.5 / 2015-09-17
+==================
+
+  * Fix regression when setting empty cookie value
+    - Ease the new restriction, which is just basic header-level validation
+  * Fix typo in invalid value errors
+
+0.1.4 / 2015-09-17
+==================
+
+  * Throw better error for invalid argument to parse
+  * Throw on invalid values provided to `serialize`
+    - Ensures the resulting string is a valid HTTP header value
+
+0.1.3 / 2015-05-19
+==================
+
+  * Reduce the scope of try-catch deopt
+  * Remove argument reassignments
+
+0.1.2 / 2014-04-16
+==================
+
+  * Remove unnecessary files from npm package
+
+0.1.1 / 2014-02-23
+==================
+
+  * Fix bad parse when cookie value contained a comma
+  * Fix support for `maxAge` of `0`
+
+0.1.0 / 2013-05-01
+==================
+
+  * Add `decode` option
+  * Add `encode` option
+
+0.0.6 / 2013-04-08
+==================
+
+  * Ignore cookie parts missing `=`
+
+0.0.5 / 2012-10-29
+==================
+
+  * Return raw cookie value if value unescape errors
+
+0.0.4 / 2012-06-21
+==================
+
+  * Use encode/decodeURIComponent for cookie encoding/decoding
+    - Improve server/client interoperability
+
+0.0.3 / 2012-06-06
+==================
+
+  * Only escape special characters per the cookie RFC
+
+0.0.2 / 2012-06-01
+==================
+
+  * Fix `maxAge` option to not throw error
+
+0.0.1 / 2012-05-28
+==================
+
+  * Add more tests
+
+0.0.0 / 2012-05-28
+==================
+
+  * Initial release
diff --git a/node_modules/cookie/LICENSE b/node_modules/cookie/LICENSE
new file mode 100644
index 000000000..058b6b4ef
--- /dev/null
+++ b/node_modules/cookie/LICENSE
@@ -0,0 +1,24 @@
+(The MIT License)
+
+Copyright (c) 2012-2014 Roman Shtylman <shtylman@gmail.com>
+Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/node_modules/cookie/README.md b/node_modules/cookie/README.md
new file mode 100644
index 000000000..18b2c2c82
--- /dev/null
+++ b/node_modules/cookie/README.md
@@ -0,0 +1,257 @@
+# cookie
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Basic HTTP cookie parser and serializer for HTTP servers.
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install cookie
+```
+
+## API
+
+```js
+var cookie = require('cookie');
+```
+
+### cookie.parse(str, options)
+
+Parse an HTTP `Cookie` header string and returning an object of all cookie name-value pairs.
+The `str` argument is the string representing a `Cookie` header value and `options` is an
+optional object containing additional parsing options.
+
+```js
+var cookies = cookie.parse('foo=bar; equation=E%3Dmc%5E2');
+// { foo: 'bar', equation: 'E=mc^2' }
+```
+
+#### Options
+
+`cookie.parse` accepts these properties in the options object.
+
+##### decode
+
+Specifies a function that will be used to decode a cookie's value. Since the value of a cookie
+has a limited character set (and must be a simple string), this function can be used to decode
+a previously-encoded cookie value into a JavaScript string or other object.
+
+The default function is the global `decodeURIComponent`, which will decode any URL-encoded
+sequences into their byte representations.
+
+**note** if an error is thrown from this function, the original, non-decoded cookie value will
+be returned as the cookie's value.
+
+### cookie.serialize(name, value, options)
+
+Serialize a cookie name-value pair into a `Set-Cookie` header string. The `name` argument is the
+name for the cookie, the `value` argument is the value to set the cookie to, and the `options`
+argument is an optional object containing additional serialization options.
+
+```js
+var setCookie = cookie.serialize('foo', 'bar');
+// foo=bar
+```
+
+#### Options
+
+`cookie.serialize` accepts these properties in the options object.
+
+##### domain
+
+Specifies the value for the [`Domain` `Set-Cookie` attribute][rfc-6265-5.2.3]. By default, no
+domain is set, and most clients will consider the cookie to apply to only the current domain.
+
+##### encode
+
+Specifies a function that will be used to encode a cookie's value. Since value of a cookie
+has a limited character set (and must be a simple string), this function can be used to encode
+a value into a string suited for a cookie's value.
+
+The default function is the global `encodeURIComponent`, which will encode a JavaScript string
+into UTF-8 byte sequences and then URL-encode any that fall outside of the cookie range.
+
+##### expires
+
+Specifies the `Date` object to be the value for the [`Expires` `Set-Cookie` attribute][rfc-6265-5.2.1].
+By default, no expiration is set, and most clients will consider this a "non-persistent cookie" and
+will delete it on a condition like exiting a web browser application.
+
+**note** the [cookie storage model specification][rfc-6265-5.3] states that if both `expires` and
+`maxAge` are set, then `maxAge` takes precedence, but it is possible not all clients by obey this,
+so if both are set, they should point to the same date and time.
+
+##### httpOnly
+
+Specifies the `boolean` value for the [`HttpOnly` `Set-Cookie` attribute][rfc-6265-5.2.6]. When truthy,
+the `HttpOnly` attribute is set, otherwise it is not. By default, the `HttpOnly` attribute is not set.
+
+**note** be careful when setting this to `true`, as compliant clients will not allow client-side
+JavaScript to see the cookie in `document.cookie`.
+
+##### maxAge
+
+Specifies the `number` (in seconds) to be the value for the [`Max-Age` `Set-Cookie` attribute][rfc-6265-5.2.2].
+The given number will be converted to an integer by rounding down. By default, no maximum age is set.
+
+**note** the [cookie storage model specification][rfc-6265-5.3] states that if both `expires` and
+`maxAge` are set, then `maxAge` takes precedence, but it is possible not all clients by obey this,
+so if both are set, they should point to the same date and time.
+
+##### path
+
+Specifies the value for the [`Path` `Set-Cookie` attribute][rfc-6265-5.2.4]. By default, the path
+is considered the ["default path"][rfc-6265-5.1.4].
+
+##### sameSite
+
+Specifies the `boolean` or `string` to be the value for the [`SameSite` `Set-Cookie` attribute][rfc-6265bis-03-4.1.2.7].
+
+  - `true` will set the `SameSite` attribute to `Strict` for strict same site enforcement.
+  - `false` will not set the `SameSite` attribute.
+  - `'lax'` will set the `SameSite` attribute to `Lax` for lax same site enforcement.
+  - `'none'` will set the `SameSite` attribute to `None` for an explicit cross-site cookie.
+  - `'strict'` will set the `SameSite` attribute to `Strict` for strict same site enforcement.
+
+More information about the different enforcement levels can be found in
+[the specification][rfc-6265bis-03-4.1.2.7].
+
+**note** This is an attribute that has not yet been fully standardized, and may change in the future.
+This also means many clients may ignore this attribute until they understand it.
+
+##### secure
+
+Specifies the `boolean` value for the [`Secure` `Set-Cookie` attribute][rfc-6265-5.2.5]. When truthy,
+the `Secure` attribute is set, otherwise it is not. By default, the `Secure` attribute is not set.
+
+**note** be careful when setting this to `true`, as compliant clients will not send the cookie back to
+the server in the future if the browser does not have an HTTPS connection.
+
+## Example
+
+The following example uses this module in conjunction with the Node.js core HTTP server
+to prompt a user for their name and display it back on future visits.
+
+```js
+var cookie = require('cookie');
+var escapeHtml = require('escape-html');
+var http = require('http');
+var url = require('url');
+
+function onRequest(req, res) {
+  // Parse the query string
+  var query = url.parse(req.url, true, true).query;
+
+  if (query && query.name) {
+    // Set a new cookie with the name
+    res.setHeader('Set-Cookie', cookie.serialize('name', String(query.name), {
+      httpOnly: true,
+      maxAge: 60 * 60 * 24 * 7 // 1 week
+    }));
+
+    // Redirect back after setting cookie
+    res.statusCode = 302;
+    res.setHeader('Location', req.headers.referer || '/');
+    res.end();
+    return;
+  }
+
+  // Parse the cookies on the request
+  var cookies = cookie.parse(req.headers.cookie || '');
+
+  // Get the visitor name set in the cookie
+  var name = cookies.name;
+
+  res.setHeader('Content-Type', 'text/html; charset=UTF-8');
+
+  if (name) {
+    res.write('<p>Welcome back, <b>' + escapeHtml(name) + '</b>!</p>');
+  } else {
+    res.write('<p>Hello, new visitor!</p>');
+  }
+
+  res.write('<form method="GET">');
+  res.write('<input placeholder="enter your name" name="name"> <input type="submit" value="Set Name">');
+  res.end('</form>');
+}
+
+http.createServer(onRequest).listen(3000);
+```
+
+## Testing
+
+```sh
+$ npm test
+```
+
+## Benchmark
+
+```
+$ npm run bench
+
+> cookie@0.3.1 bench cookie
+> node benchmark/index.js
+
+  http_parser@2.8.0
+  node@6.14.2
+  v8@5.1.281.111
+  uv@1.16.1
+  zlib@1.2.11
+  ares@1.10.1-DEV
+  icu@58.2
+  modules@48
+  napi@3
+  openssl@1.0.2o
+
+> node benchmark/parse.js
+
+  cookie.parse
+
+  6 tests completed.
+
+  simple      x 1,200,691 ops/sec ±1.12% (189 runs sampled)
+  decode      x 1,012,994 ops/sec ±0.97% (186 runs sampled)
+  unquote     x 1,074,174 ops/sec ±2.43% (186 runs sampled)
+  duplicates  x   438,424 ops/sec ±2.17% (184 runs sampled)
+  10 cookies  x   147,154 ops/sec ±1.01% (186 runs sampled)
+  100 cookies x    14,274 ops/sec ±1.07% (187 runs sampled)
+```
+
+## References
+
+- [RFC 6265: HTTP State Management Mechanism][rfc-6265]
+- [Same-site Cookies][rfc-6265bis-03-4.1.2.7]
+
+[rfc-6265bis-03-4.1.2.7]: https://tools.ietf.org/html/draft-ietf-httpbis-rfc6265bis-03#section-4.1.2.7
+[rfc-6265]: https://tools.ietf.org/html/rfc6265
+[rfc-6265-5.1.4]: https://tools.ietf.org/html/rfc6265#section-5.1.4
+[rfc-6265-5.2.1]: https://tools.ietf.org/html/rfc6265#section-5.2.1
+[rfc-6265-5.2.2]: https://tools.ietf.org/html/rfc6265#section-5.2.2
+[rfc-6265-5.2.3]: https://tools.ietf.org/html/rfc6265#section-5.2.3
+[rfc-6265-5.2.4]: https://tools.ietf.org/html/rfc6265#section-5.2.4
+[rfc-6265-5.2.5]: https://tools.ietf.org/html/rfc6265#section-5.2.5
+[rfc-6265-5.2.6]: https://tools.ietf.org/html/rfc6265#section-5.2.6
+[rfc-6265-5.3]: https://tools.ietf.org/html/rfc6265#section-5.3
+
+## License
+
+[MIT](LICENSE)
+
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/cookie/master
+[coveralls-url]: https://coveralls.io/r/jshttp/cookie?branch=master
+[node-version-image]: https://badgen.net/npm/node/cookie
+[node-version-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/cookie
+[npm-url]: https://npmjs.org/package/cookie
+[npm-version-image]: https://badgen.net/npm/v/cookie
+[travis-image]: https://badgen.net/travis/jshttp/cookie/master
+[travis-url]: https://travis-ci.org/jshttp/cookie
diff --git a/node_modules/cookie/index.js b/node_modules/cookie/index.js
new file mode 100644
index 000000000..760f32e5d
--- /dev/null
+++ b/node_modules/cookie/index.js
@@ -0,0 +1,202 @@
+/*!
+ * cookie
+ * Copyright(c) 2012-2014 Roman Shtylman
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module exports.
+ * @public
+ */
+
+exports.parse = parse;
+exports.serialize = serialize;
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var decode = decodeURIComponent;
+var encode = encodeURIComponent;
+var pairSplitRegExp = /; */;
+
+/**
+ * RegExp to match field-content in RFC 7230 sec 3.2
+ *
+ * field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ]
+ * field-vchar   = VCHAR / obs-text
+ * obs-text      = %x80-FF
+ */
+
+var fieldContentRegExp = /^[\u0009\u0020-\u007e\u0080-\u00ff]+$/;
+
+/**
+ * Parse a cookie header.
+ *
+ * Parse the given cookie header string into an object
+ * The object has the various cookies as keys(names) => values
+ *
+ * @param {string} str
+ * @param {object} [options]
+ * @return {object}
+ * @public
+ */
+
+function parse(str, options) {
+  if (typeof str !== 'string') {
+    throw new TypeError('argument str must be a string');
+  }
+
+  var obj = {}
+  var opt = options || {};
+  var pairs = str.split(pairSplitRegExp);
+  var dec = opt.decode || decode;
+
+  for (var i = 0; i < pairs.length; i++) {
+    var pair = pairs[i];
+    var eq_idx = pair.indexOf('=');
+
+    // skip things that don't look like key=value
+    if (eq_idx < 0) {
+      continue;
+    }
+
+    var key = pair.substr(0, eq_idx).trim()
+    var val = pair.substr(++eq_idx, pair.length).trim();
+
+    // quoted values
+    if ('"' == val[0]) {
+      val = val.slice(1, -1);
+    }
+
+    // only assign once
+    if (undefined == obj[key]) {
+      obj[key] = tryDecode(val, dec);
+    }
+  }
+
+  return obj;
+}
+
+/**
+ * Serialize data into a cookie header.
+ *
+ * Serialize the a name value pair into a cookie string suitable for
+ * http headers. An optional options object specified cookie parameters.
+ *
+ * serialize('foo', 'bar', { httpOnly: true })
+ *   => "foo=bar; httpOnly"
+ *
+ * @param {string} name
+ * @param {string} val
+ * @param {object} [options]
+ * @return {string}
+ * @public
+ */
+
+function serialize(name, val, options) {
+  var opt = options || {};
+  var enc = opt.encode || encode;
+
+  if (typeof enc !== 'function') {
+    throw new TypeError('option encode is invalid');
+  }
+
+  if (!fieldContentRegExp.test(name)) {
+    throw new TypeError('argument name is invalid');
+  }
+
+  var value = enc(val);
+
+  if (value && !fieldContentRegExp.test(value)) {
+    throw new TypeError('argument val is invalid');
+  }
+
+  var str = name + '=' + value;
+
+  if (null != opt.maxAge) {
+    var maxAge = opt.maxAge - 0;
+
+    if (isNaN(maxAge) || !isFinite(maxAge)) {
+      throw new TypeError('option maxAge is invalid')
+    }
+
+    str += '; Max-Age=' + Math.floor(maxAge);
+  }
+
+  if (opt.domain) {
+    if (!fieldContentRegExp.test(opt.domain)) {
+      throw new TypeError('option domain is invalid');
+    }
+
+    str += '; Domain=' + opt.domain;
+  }
+
+  if (opt.path) {
+    if (!fieldContentRegExp.test(opt.path)) {
+      throw new TypeError('option path is invalid');
+    }
+
+    str += '; Path=' + opt.path;
+  }
+
+  if (opt.expires) {
+    if (typeof opt.expires.toUTCString !== 'function') {
+      throw new TypeError('option expires is invalid');
+    }
+
+    str += '; Expires=' + opt.expires.toUTCString();
+  }
+
+  if (opt.httpOnly) {
+    str += '; HttpOnly';
+  }
+
+  if (opt.secure) {
+    str += '; Secure';
+  }
+
+  if (opt.sameSite) {
+    var sameSite = typeof opt.sameSite === 'string'
+      ? opt.sameSite.toLowerCase() : opt.sameSite;
+
+    switch (sameSite) {
+      case true:
+        str += '; SameSite=Strict';
+        break;
+      case 'lax':
+        str += '; SameSite=Lax';
+        break;
+      case 'strict':
+        str += '; SameSite=Strict';
+        break;
+      case 'none':
+        str += '; SameSite=None';
+        break;
+      default:
+        throw new TypeError('option sameSite is invalid');
+    }
+  }
+
+  return str;
+}
+
+/**
+ * Try decoding a string using a decoding function.
+ *
+ * @param {string} str
+ * @param {function} decode
+ * @private
+ */
+
+function tryDecode(str, decode) {
+  try {
+    return decode(str);
+  } catch (e) {
+    return str;
+  }
+}
diff --git a/node_modules/cookie/package.json b/node_modules/cookie/package.json
new file mode 100644
index 000000000..1ae8eb612
--- /dev/null
+++ b/node_modules/cookie/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "cookie",
+  "description": "HTTP server cookie parsing and serialization",
+  "version": "0.4.1",
+  "author": "Roman Shtylman <shtylman@gmail.com>",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "cookie",
+    "cookies"
+  ],
+  "repository": "jshttp/cookie",
+  "devDependencies": {
+    "beautify-benchmark": "0.2.4",
+    "benchmark": "2.1.4",
+    "eslint": "6.8.0",
+    "eslint-plugin-markdown": "1.0.2",
+    "mocha": "7.1.1",
+    "nyc": "15.0.1"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "bench": "node benchmark/index.js",
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --reporter spec --bail --check-leaks --ui qunit test/",
+    "test-ci": "nyc --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "version": "node scripts/version-history.js && git add HISTORY.md"
+  }
+}
diff --git a/node_modules/cookies/HISTORY.md b/node_modules/cookies/HISTORY.md
new file mode 100644
index 000000000..0a4196ad2
--- /dev/null
+++ b/node_modules/cookies/HISTORY.md
@@ -0,0 +1,121 @@
+0.8.0 / 2019-10-11
+==================
+
+  * Fix check for default `secure` option behavior
+  * Fix `maxAge` option preventing cookie deletion
+  * Support `"none"` in `sameSite` option
+  * deps: depd@~2.0.0
+    - Replace internal `eval` usage with `Function` constructor
+    - Use instance methods on `process` to check for listeners
+  * deps: keygrip@~1.1.0
+    - Use `tsscmp` module for timing-safe signature verification
+
+0.7.3 / 2018-11-04
+==================
+
+  * deps: keygrip@~1.0.3
+    - perf: enable strict mode
+
+0.7.2 / 2018-09-09
+==================
+
+  * deps: depd@~1.1.2
+  * perf: remove argument reassignment
+
+0.7.1 / 2017-08-26
+==================
+
+  * deps: depd@~1.1.1
+    - Remove unnecessary `Buffer` loading
+  * deps: keygrip@~1.0.2
+    - perf: improve comparison speed
+
+0.7.0 / 2017-02-19
+==================
+
+  * Add `sameSite` option for SameSite cookie support
+  * pref: enable strict mode
+
+0.6.2 / 2016-11-12
+==================
+
+  * Fix `keys` deprecation message
+  * deps: keygrip@~1.0.1
+
+0.6.1 / 2016-02-29
+==================
+
+  * Fix regression in 0.6.0 for array of strings in `keys` option
+
+0.6.0 / 2016-02-29
+==================
+
+  * Add `secure` constructor option for secure connection checking
+  * Change constructor to signature `new Cookies(req, res, [options])`
+    - Replace `new Cookies(req, res, key)` with `new Cookies(req, res, {'keys': keys})`
+  * Change prototype construction for proper "constructor" property
+  * Deprecate `secureProxy` option in `.set`; use `secure` option instead
+    - If `secure: true` throws even over SSL, use the `secure` constructor option
+
+0.5.1 / 2014-07-27
+==================
+
+  * Throw on invalid values provided to `Cookie` constructor
+    - This is not strict validation, but basic RFC 7230 validation
+
+0.5.0 / 2014-07-27
+==================
+
+  * Integrate with `req.protocol` for secure cookies
+  * Support `maxAge` as well as `maxage`
+
+0.4.1 / 2014-05-07
+==================
+
+  * Update package for repo move
+
+0.4.0 / 2014-01-31
+==================
+
+  * Allow passing an array of strings as keys
+
+0.3.8-0.2.0
+===========
+
+  * TODO: write down history for these releases
+
+0.1.6 / 2011-03-01
+==================
+
+  * SSL cookies secure by default
+  * Use httpOnly by default unless explicitly false
+
+0.1.5 / 2011-02-26
+==================
+
+  * Delete sig cookie if signed cookie is deleted
+
+0.1.4 / 2011-02-26
+==================
+
+  * Always set path
+
+0.1.3 / 2011-02-26
+==================
+
+  * Add sensible defaults for path
+
+0.1.2 / 2011-02-26
+==================
+
+  * Inherit cookie properties to signature cookie
+
+0.1.1 / 2011-02-25
+==================
+
+  * Readme updates
+
+0.1.0 / 2011-02-25
+==================
+
+  * Initial release
diff --git a/node_modules/cookies/LICENSE b/node_modules/cookies/LICENSE
new file mode 100644
index 000000000..687e1e6d0
--- /dev/null
+++ b/node_modules/cookies/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2014 Jed Schmidt, http://jed.is/
+Copyright (c) 2015-2016 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/cookies/README.md b/node_modules/cookies/README.md
new file mode 100644
index 000000000..f7c12f8d2
--- /dev/null
+++ b/node_modules/cookies/README.md
@@ -0,0 +1,145 @@
+Cookies
+=======
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Cookies is a [node.js](http://nodejs.org/) module for getting and setting HTTP(S) cookies. Cookies can be signed to prevent tampering, using [Keygrip](https://www.npmjs.com/package/keygrip). It can be used with the built-in node.js HTTP library, or as Connect/Express middleware.
+
+## Install
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```
+$ npm install cookies
+```
+
+## Features
+
+* **Lazy**: Since cookie verification against multiple keys could be expensive, cookies are only verified lazily when accessed, not eagerly on each request.
+
+* **Secure**: All cookies are `httponly` by default, and cookies sent over SSL are `secure` by default. An error will be thrown if you try to send secure cookies over an insecure socket.
+
+* **Unobtrusive**: Signed cookies are stored the same way as unsigned cookies, instead of in an obfuscated signing format. An additional signature cookie is stored for each signed cookie, using a standard naming convention (_cookie-name_`.sig`). This allows other libraries to access the original cookies without having to know the signing mechanism.
+
+* **Agnostic**: This library is optimized for use with [Keygrip](https://www.npmjs.com/package/keygrip), but does not require it; you can implement your own signing scheme instead if you like and use this library only to read/write cookies. Factoring the signing into a separate library encourages code reuse and allows you to use the same signing library for other areas where signing is needed, such as in URLs.
+
+## API
+
+### cookies = new Cookies( request, response, [ options ] )
+
+This creates a cookie jar corresponding to the current _request_ and _response_, additionally passing an object _options_.
+
+A [Keygrip](https://www.npmjs.com/package/keygrip) object or an array of keys can optionally be passed as _options.keys_ to enable cryptographic signing based on SHA1 HMAC, using rotated credentials.
+
+A Boolean can optionally be passed as _options.secure_ to explicitally specify if the connection is secure, rather than this module examining _request_.
+
+Note that since this only saves parameters without any other processing, it is very lightweight. Cookies are only parsed on demand when they are accessed.
+
+### express.createServer( Cookies.express( keys ) )
+
+This adds cookie support as a Connect middleware layer for use in Express apps, allowing inbound cookies to be read using `req.cookies.get` and outbound cookies to be set using `res.cookies.set`.
+
+### cookies.get( name, [ options ] )
+
+This extracts the cookie with the given name from the `Cookie` header in the request. If such a cookie exists, its value is returned. Otherwise, nothing is returned.
+
+`{ signed: true }` can optionally be passed as the second parameter _options_. In this case, a signature cookie (a cookie of same name ending with the `.sig` suffix appended) is fetched. If no such cookie exists, nothing is returned.
+
+If the signature cookie _does_ exist, the provided [Keygrip](https://www.npmjs.com/package/keygrip) object is used to check whether the hash of _cookie-name_=_cookie-value_ matches that of any registered key:
+
+* If the signature cookie hash matches the first key, the original cookie value is returned.
+* If the signature cookie hash matches any other key, the original cookie value is returned AND an outbound header is set to update the signature cookie's value to the hash of the first key. This enables automatic freshening of signature cookies that have become stale due to key rotation.
+* If the signature cookie hash does not match any key, nothing is returned, and an outbound header with an expired date is used to delete the cookie.
+
+### cookies.set( name, [ value ], [ options ] )
+
+This sets the given cookie in the response and returns the current context to allow chaining.
+
+If the _value_ is omitted, an outbound header with an expired date is used to delete the cookie.
+
+If the _options_ object is provided, it will be used to generate the outbound cookie header as follows:
+
+* `maxAge`: a number representing the milliseconds from `Date.now()` for expiry
+* `expires`: a `Date` object indicating the cookie's expiration date (expires at the end of session by default).
+* `path`: a string indicating the path of the cookie (`/` by default).
+* `domain`: a string indicating the domain of the cookie (no default).
+* `secure`: a boolean indicating whether the cookie is only to be sent over HTTPS (`false` by default for HTTP, `true` by default for HTTPS). [Read more about this option below](#secure-cookies).
+* `httpOnly`: a boolean indicating whether the cookie is only to be sent over HTTP(S), and not made available to client JavaScript (`true` by default).
+* `sameSite`: a boolean or string indicating whether the cookie is a "same site" cookie (`false` by default). This can be set to `'strict'`, `'lax'`, or `true` (which maps to `'strict'`).
+* `signed`: a boolean indicating whether the cookie is to be signed (`false` by default). If this is true, another cookie of the same name with the `.sig` suffix appended will also be sent, with a 27-byte url-safe base64 SHA1 value representing the hash of _cookie-name_=_cookie-value_ against the first [Keygrip](https://www.npmjs.com/package/keygrip) key. This signature key is used to detect tampering the next time a cookie is received.
+* `overwrite`: a boolean indicating whether to overwrite previously set cookies of the same name (`false` by default). If this is true, all cookies set during the same request with the same name (regardless of path or domain) are filtered out of the Set-Cookie header when setting this cookie.
+
+### Secure cookies
+
+To send a secure cookie, you set a cookie with the `secure: true` option.
+
+HTTPS is necessary for secure cookies. When `cookies.set` is called with `secure: true` and a secure connection is not detected, the cookie will not be set and an error will be thrown.
+
+This module will test each request to see if it's secure by checking:
+
+* if the `protocol` property of the request is set to `https`, or
+* if the `connection.encrypted` property of the request is set to `true`.
+
+If your server is running behind a proxy and you are using `secure: true`, you need to configure your server to read the request headers added by your proxy to determine whether the request is using a secure connection.
+
+For more information about working behind proxies, consult the framework you are using:
+
+* For Koa - [`app.proxy = true`](http://koajs.com/#settings)
+* For Express - [trust proxy setting](http://expressjs.com/en/4x/api.html#trust.proxy.options.table)
+
+If your Koa or Express server is properly configured, the `protocol` property of the request will be set to match the protocol reported by the proxy in the `X-Forwarded-Proto` header.
+
+## Example
+
+```js
+var http = require('http')
+var Cookies = require('cookies')
+
+// Optionally define keys to sign cookie values
+// to prevent client tampering
+var keys = ['keyboard cat']
+
+var server = http.createServer(function (req, res) {
+  // Create a cookies object
+  var cookies = new Cookies(req, res, { keys: keys })
+
+  // Get a cookie
+  var lastVisit = cookies.get('LastVisit', { signed: true })
+
+  // Set the cookie to a value
+  cookies.set('LastVisit', new Date().toISOString(), { signed: true })
+
+  if (!lastVisit) {
+    res.setHeader('Content-Type', 'text/plain')
+    res.end('Welcome, first time visitor!')
+  } else {
+    res.setHeader('Content-Type', 'text/plain')
+    res.end('Welcome back! Nothing much changed since your last visit at ' + lastVisit + '.')
+  }
+})
+
+server.listen(3000, function () {
+  console.log('Visit us at http://127.0.0.1:3000/ !')
+})
+```
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/cookies.svg
+[npm-url]: https://npmjs.org/package/cookies
+[coveralls-image]: https://img.shields.io/coveralls/pillarjs/cookies/master.svg
+[coveralls-url]: https://coveralls.io/r/pillarjs/cookies?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/cookies.svg
+[downloads-url]: https://npmjs.org/package/cookies
+[node-version-image]: https://img.shields.io/node/v/cookies.svg
+[node-version-url]: https://nodejs.org/en/download/
+[travis-image]: https://img.shields.io/travis/pillarjs/cookies/master.svg
+[travis-url]: https://travis-ci.org/pillarjs/cookies
diff --git a/node_modules/cookies/index.js b/node_modules/cookies/index.js
new file mode 100644
index 000000000..3dd67281a
--- /dev/null
+++ b/node_modules/cookies/index.js
@@ -0,0 +1,224 @@
+/*!
+ * cookies
+ * Copyright(c) 2014 Jed Schmidt, http://jed.is/
+ * Copyright(c) 2015-2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+var deprecate = require('depd')('cookies')
+var Keygrip = require('keygrip')
+var http = require('http')
+var cache = {}
+
+/**
+ * RegExp to match field-content in RFC 7230 sec 3.2
+ *
+ * field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ]
+ * field-vchar   = VCHAR / obs-text
+ * obs-text      = %x80-FF
+ */
+
+var fieldContentRegExp = /^[\u0009\u0020-\u007e\u0080-\u00ff]+$/;
+
+/**
+ * RegExp to match Same-Site cookie attribute value.
+ */
+
+var SAME_SITE_REGEXP = /^(?:lax|none|strict)$/i
+
+function Cookies(request, response, options) {
+  if (!(this instanceof Cookies)) return new Cookies(request, response, options)
+
+  this.secure = undefined
+  this.request = request
+  this.response = response
+
+  if (options) {
+    if (Array.isArray(options)) {
+      // array of key strings
+      deprecate('"keys" argument; provide using options {"keys": [...]}')
+      this.keys = new Keygrip(options)
+    } else if (options.constructor && options.constructor.name === 'Keygrip') {
+      // any keygrip constructor to allow different versions
+      deprecate('"keys" argument; provide using options {"keys": keygrip}')
+      this.keys = options
+    } else {
+      this.keys = Array.isArray(options.keys) ? new Keygrip(options.keys) : options.keys
+      this.secure = options.secure
+    }
+  }
+}
+
+Cookies.prototype.get = function(name, opts) {
+  var sigName = name + ".sig"
+    , header, match, value, remote, data, index
+    , signed = opts && opts.signed !== undefined ? opts.signed : !!this.keys
+
+  header = this.request.headers["cookie"]
+  if (!header) return
+
+  match = header.match(getPattern(name))
+  if (!match) return
+
+  value = match[1]
+  if (!opts || !signed) return value
+
+  remote = this.get(sigName)
+  if (!remote) return
+
+  data = name + "=" + value
+  if (!this.keys) throw new Error('.keys required for signed cookies');
+  index = this.keys.index(data, remote)
+
+  if (index < 0) {
+    this.set(sigName, null, {path: "/", signed: false })
+  } else {
+    index && this.set(sigName, this.keys.sign(data), { signed: false })
+    return value
+  }
+};
+
+Cookies.prototype.set = function(name, value, opts) {
+  var res = this.response
+    , req = this.request
+    , headers = res.getHeader("Set-Cookie") || []
+    , secure = this.secure !== undefined ? !!this.secure : req.protocol === 'https' || req.connection.encrypted
+    , cookie = new Cookie(name, value, opts)
+    , signed = opts && opts.signed !== undefined ? opts.signed : !!this.keys
+
+  if (typeof headers == "string") headers = [headers]
+
+  if (!secure && opts && opts.secure) {
+    throw new Error('Cannot send secure cookie over unencrypted connection')
+  }
+
+  cookie.secure = opts && opts.secure !== undefined
+    ? opts.secure
+    : secure
+
+  if (opts && "secureProxy" in opts) {
+    deprecate('"secureProxy" option; use "secure" option, provide "secure" to constructor if needed')
+    cookie.secure = opts.secureProxy
+  }
+
+  pushCookie(headers, cookie)
+
+  if (opts && signed) {
+    if (!this.keys) throw new Error('.keys required for signed cookies');
+    cookie.value = this.keys.sign(cookie.toString())
+    cookie.name += ".sig"
+    pushCookie(headers, cookie)
+  }
+
+  var setHeader = res.set ? http.OutgoingMessage.prototype.setHeader : res.setHeader
+  setHeader.call(res, 'Set-Cookie', headers)
+  return this
+};
+
+function Cookie(name, value, attrs) {
+  if (!fieldContentRegExp.test(name)) {
+    throw new TypeError('argument name is invalid');
+  }
+
+  if (value && !fieldContentRegExp.test(value)) {
+    throw new TypeError('argument value is invalid');
+  }
+
+  this.name = name
+  this.value = value || ""
+
+  for (var name in attrs) {
+    this[name] = attrs[name]
+  }
+
+  if (!this.value) {
+    this.expires = new Date(0)
+    this.maxAge = null
+  }
+
+  if (this.path && !fieldContentRegExp.test(this.path)) {
+    throw new TypeError('option path is invalid');
+  }
+
+  if (this.domain && !fieldContentRegExp.test(this.domain)) {
+    throw new TypeError('option domain is invalid');
+  }
+
+  if (this.sameSite && this.sameSite !== true && !SAME_SITE_REGEXP.test(this.sameSite)) {
+    throw new TypeError('option sameSite is invalid')
+  }
+}
+
+Cookie.prototype.path = "/";
+Cookie.prototype.expires = undefined;
+Cookie.prototype.domain = undefined;
+Cookie.prototype.httpOnly = true;
+Cookie.prototype.sameSite = false;
+Cookie.prototype.secure = false;
+Cookie.prototype.overwrite = false;
+
+Cookie.prototype.toString = function() {
+  return this.name + "=" + this.value
+};
+
+Cookie.prototype.toHeader = function() {
+  var header = this.toString()
+
+  if (this.maxAge) this.expires = new Date(Date.now() + this.maxAge);
+
+  if (this.path     ) header += "; path=" + this.path
+  if (this.expires  ) header += "; expires=" + this.expires.toUTCString()
+  if (this.domain   ) header += "; domain=" + this.domain
+  if (this.sameSite ) header += "; samesite=" + (this.sameSite === true ? 'strict' : this.sameSite.toLowerCase())
+  if (this.secure   ) header += "; secure"
+  if (this.httpOnly ) header += "; httponly"
+
+  return header
+};
+
+// back-compat so maxage mirrors maxAge
+Object.defineProperty(Cookie.prototype, 'maxage', {
+  configurable: true,
+  enumerable: true,
+  get: function () { return this.maxAge },
+  set: function (val) { return this.maxAge = val }
+});
+deprecate.property(Cookie.prototype, 'maxage', '"maxage"; use "maxAge" instead')
+
+function getPattern(name) {
+  if (cache[name]) return cache[name]
+
+  return cache[name] = new RegExp(
+    "(?:^|;) *" +
+    name.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&") +
+    "=([^;]*)"
+  )
+}
+
+function pushCookie(headers, cookie) {
+  if (cookie.overwrite) {
+    for (var i = headers.length - 1; i >= 0; i--) {
+      if (headers[i].indexOf(cookie.name + '=') === 0) {
+        headers.splice(i, 1)
+      }
+    }
+  }
+
+  headers.push(cookie.toHeader())
+}
+
+Cookies.connect = Cookies.express = function(keys) {
+  return function(req, res, next) {
+    req.cookies = res.cookies = new Cookies(req, res, {
+      keys: keys
+    })
+
+    next()
+  }
+}
+
+Cookies.Cookie = Cookie
+
+module.exports = Cookies
diff --git a/node_modules/cookies/package.json b/node_modules/cookies/package.json
new file mode 100644
index 000000000..0b7f8512b
--- /dev/null
+++ b/node_modules/cookies/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "cookies",
+  "description": "Cookies, optionally signed using Keygrip.",
+  "version": "0.8.0",
+  "author": "Jed Schmidt <tr@nslator.jp> (http://jed.is)",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>"
+  ],
+  "license": "MIT",
+  "repository": "pillarjs/cookies",
+  "dependencies": {
+    "depd": "~2.0.0",
+    "keygrip": "~1.1.0"
+  },
+  "devDependencies": {
+    "eslint": "4.19.1",
+    "express": "4.17.1",
+    "mocha": "6.2.1",
+    "nyc": "14.1.1",
+    "restify": "8.4.0",
+    "supertest": "4.0.2"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --require test/support/env --reporter spec --bail --check-leaks test/",
+    "test-ci": "nyc --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  }
+}
diff --git a/node_modules/core-util-is/LICENSE b/node_modules/core-util-is/LICENSE
new file mode 100644
index 000000000..d8d7f9437
--- /dev/null
+++ b/node_modules/core-util-is/LICENSE
@@ -0,0 +1,19 @@
+Copyright Node.js contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
diff --git a/node_modules/core-util-is/README.md b/node_modules/core-util-is/README.md
new file mode 100644
index 000000000..5a76b4149
--- /dev/null
+++ b/node_modules/core-util-is/README.md
@@ -0,0 +1,3 @@
+# core-util-is
+
+The `util.is*` functions introduced in Node v0.12.
diff --git a/node_modules/core-util-is/float.patch b/node_modules/core-util-is/float.patch
new file mode 100644
index 000000000..a06d5c05f
--- /dev/null
+++ b/node_modules/core-util-is/float.patch
@@ -0,0 +1,604 @@
+diff --git a/lib/util.js b/lib/util.js
+index a03e874..9074e8e 100644
+--- a/lib/util.js
++++ b/lib/util.js
+@@ -19,430 +19,6 @@
+ // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ // USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+-var formatRegExp = /%[sdj%]/g;
+-exports.format = function(f) {
+-  if (!isString(f)) {
+-    var objects = [];
+-    for (var i = 0; i < arguments.length; i++) {
+-      objects.push(inspect(arguments[i]));
+-    }
+-    return objects.join(' ');
+-  }
+-
+-  var i = 1;
+-  var args = arguments;
+-  var len = args.length;
+-  var str = String(f).replace(formatRegExp, function(x) {
+-    if (x === '%%') return '%';
+-    if (i >= len) return x;
+-    switch (x) {
+-      case '%s': return String(args[i++]);
+-      case '%d': return Number(args[i++]);
+-      case '%j':
+-        try {
+-          return JSON.stringify(args[i++]);
+-        } catch (_) {
+-          return '[Circular]';
+-        }
+-      default:
+-        return x;
+-    }
+-  });
+-  for (var x = args[i]; i < len; x = args[++i]) {
+-    if (isNull(x) || !isObject(x)) {
+-      str += ' ' + x;
+-    } else {
+-      str += ' ' + inspect(x);
+-    }
+-  }
+-  return str;
+-};
+-
+-
+-// Mark that a method should not be used.
+-// Returns a modified function which warns once by default.
+-// If --no-deprecation is set, then it is a no-op.
+-exports.deprecate = function(fn, msg) {
+-  // Allow for deprecating things in the process of starting up.
+-  if (isUndefined(global.process)) {
+-    return function() {
+-      return exports.deprecate(fn, msg).apply(this, arguments);
+-    };
+-  }
+-
+-  if (process.noDeprecation === true) {
+-    return fn;
+-  }
+-
+-  var warned = false;
+-  function deprecated() {
+-    if (!warned) {
+-      if (process.throwDeprecation) {
+-        throw new Error(msg);
+-      } else if (process.traceDeprecation) {
+-        console.trace(msg);
+-      } else {
+-        console.error(msg);
+-      }
+-      warned = true;
+-    }
+-    return fn.apply(this, arguments);
+-  }
+-
+-  return deprecated;
+-};
+-
+-
+-var debugs = {};
+-var debugEnviron;
+-exports.debuglog = function(set) {
+-  if (isUndefined(debugEnviron))
+-    debugEnviron = process.env.NODE_DEBUG || '';
+-  set = set.toUpperCase();
+-  if (!debugs[set]) {
+-    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
+-      var pid = process.pid;
+-      debugs[set] = function() {
+-        var msg = exports.format.apply(exports, arguments);
+-        console.error('%s %d: %s', set, pid, msg);
+-      };
+-    } else {
+-      debugs[set] = function() {};
+-    }
+-  }
+-  return debugs[set];
+-};
+-
+-
+-/**
+- * Echos the value of a value. Trys to print the value out
+- * in the best way possible given the different types.
+- *
+- * @param {Object} obj The object to print out.
+- * @param {Object} opts Optional options object that alters the output.
+- */
+-/* legacy: obj, showHidden, depth, colors*/
+-function inspect(obj, opts) {
+-  // default options
+-  var ctx = {
+-    seen: [],
+-    stylize: stylizeNoColor
+-  };
+-  // legacy...
+-  if (arguments.length >= 3) ctx.depth = arguments[2];
+-  if (arguments.length >= 4) ctx.colors = arguments[3];
+-  if (isBoolean(opts)) {
+-    // legacy...
+-    ctx.showHidden = opts;
+-  } else if (opts) {
+-    // got an "options" object
+-    exports._extend(ctx, opts);
+-  }
+-  // set default options
+-  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
+-  if (isUndefined(ctx.depth)) ctx.depth = 2;
+-  if (isUndefined(ctx.colors)) ctx.colors = false;
+-  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
+-  if (ctx.colors) ctx.stylize = stylizeWithColor;
+-  return formatValue(ctx, obj, ctx.depth);
+-}
+-exports.inspect = inspect;
+-
+-
+-// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
+-inspect.colors = {
+-  'bold' : [1, 22],
+-  'italic' : [3, 23],
+-  'underline' : [4, 24],
+-  'inverse' : [7, 27],
+-  'white' : [37, 39],
+-  'grey' : [90, 39],
+-  'black' : [30, 39],
+-  'blue' : [34, 39],
+-  'cyan' : [36, 39],
+-  'green' : [32, 39],
+-  'magenta' : [35, 39],
+-  'red' : [31, 39],
+-  'yellow' : [33, 39]
+-};
+-
+-// Don't use 'blue' not visible on cmd.exe
+-inspect.styles = {
+-  'special': 'cyan',
+-  'number': 'yellow',
+-  'boolean': 'yellow',
+-  'undefined': 'grey',
+-  'null': 'bold',
+-  'string': 'green',
+-  'date': 'magenta',
+-  // "name": intentionally not styling
+-  'regexp': 'red'
+-};
+-
+-
+-function stylizeWithColor(str, styleType) {
+-  var style = inspect.styles[styleType];
+-
+-  if (style) {
+-    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
+-           '\u001b[' + inspect.colors[style][1] + 'm';
+-  } else {
+-    return str;
+-  }
+-}
+-
+-
+-function stylizeNoColor(str, styleType) {
+-  return str;
+-}
+-
+-
+-function arrayToHash(array) {
+-  var hash = {};
+-
+-  array.forEach(function(val, idx) {
+-    hash[val] = true;
+-  });
+-
+-  return hash;
+-}
+-
+-
+-function formatValue(ctx, value, recurseTimes) {
+-  // Provide a hook for user-specified inspect functions.
+-  // Check that value is an object with an inspect function on it
+-  if (ctx.customInspect &&
+-      value &&
+-      isFunction(value.inspect) &&
+-      // Filter out the util module, it's inspect function is special
+-      value.inspect !== exports.inspect &&
+-      // Also filter out any prototype objects using the circular check.
+-      !(value.constructor && value.constructor.prototype === value)) {
+-    var ret = value.inspect(recurseTimes, ctx);
+-    if (!isString(ret)) {
+-      ret = formatValue(ctx, ret, recurseTimes);
+-    }
+-    return ret;
+-  }
+-
+-  // Primitive types cannot have properties
+-  var primitive = formatPrimitive(ctx, value);
+-  if (primitive) {
+-    return primitive;
+-  }
+-
+-  // Look up the keys of the object.
+-  var keys = Object.keys(value);
+-  var visibleKeys = arrayToHash(keys);
+-
+-  if (ctx.showHidden) {
+-    keys = Object.getOwnPropertyNames(value);
+-  }
+-
+-  // Some type of object without properties can be shortcutted.
+-  if (keys.length === 0) {
+-    if (isFunction(value)) {
+-      var name = value.name ? ': ' + value.name : '';
+-      return ctx.stylize('[Function' + name + ']', 'special');
+-    }
+-    if (isRegExp(value)) {
+-      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+-    }
+-    if (isDate(value)) {
+-      return ctx.stylize(Date.prototype.toString.call(value), 'date');
+-    }
+-    if (isError(value)) {
+-      return formatError(value);
+-    }
+-  }
+-
+-  var base = '', array = false, braces = ['{', '}'];
+-
+-  // Make Array say that they are Array
+-  if (isArray(value)) {
+-    array = true;
+-    braces = ['[', ']'];
+-  }
+-
+-  // Make functions say that they are functions
+-  if (isFunction(value)) {
+-    var n = value.name ? ': ' + value.name : '';
+-    base = ' [Function' + n + ']';
+-  }
+-
+-  // Make RegExps say that they are RegExps
+-  if (isRegExp(value)) {
+-    base = ' ' + RegExp.prototype.toString.call(value);
+-  }
+-
+-  // Make dates with properties first say the date
+-  if (isDate(value)) {
+-    base = ' ' + Date.prototype.toUTCString.call(value);
+-  }
+-
+-  // Make error with message first say the error
+-  if (isError(value)) {
+-    base = ' ' + formatError(value);
+-  }
+-
+-  if (keys.length === 0 && (!array || value.length == 0)) {
+-    return braces[0] + base + braces[1];
+-  }
+-
+-  if (recurseTimes < 0) {
+-    if (isRegExp(value)) {
+-      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
+-    } else {
+-      return ctx.stylize('[Object]', 'special');
+-    }
+-  }
+-
+-  ctx.seen.push(value);
+-
+-  var output;
+-  if (array) {
+-    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
+-  } else {
+-    output = keys.map(function(key) {
+-      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
+-    });
+-  }
+-
+-  ctx.seen.pop();
+-
+-  return reduceToSingleString(output, base, braces);
+-}
+-
+-
+-function formatPrimitive(ctx, value) {
+-  if (isUndefined(value))
+-    return ctx.stylize('undefined', 'undefined');
+-  if (isString(value)) {
+-    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
+-                                             .replace(/'/g, "\\'")
+-                                             .replace(/\\"/g, '"') + '\'';
+-    return ctx.stylize(simple, 'string');
+-  }
+-  if (isNumber(value)) {
+-    // Format -0 as '-0'. Strict equality won't distinguish 0 from -0,
+-    // so instead we use the fact that 1 / -0 < 0 whereas 1 / 0 > 0 .
+-    if (value === 0 && 1 / value < 0)
+-      return ctx.stylize('-0', 'number');
+-    return ctx.stylize('' + value, 'number');
+-  }
+-  if (isBoolean(value))
+-    return ctx.stylize('' + value, 'boolean');
+-  // For some reason typeof null is "object", so special case here.
+-  if (isNull(value))
+-    return ctx.stylize('null', 'null');
+-}
+-
+-
+-function formatError(value) {
+-  return '[' + Error.prototype.toString.call(value) + ']';
+-}
+-
+-
+-function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
+-  var output = [];
+-  for (var i = 0, l = value.length; i < l; ++i) {
+-    if (hasOwnProperty(value, String(i))) {
+-      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+-          String(i), true));
+-    } else {
+-      output.push('');
+-    }
+-  }
+-  keys.forEach(function(key) {
+-    if (!key.match(/^\d+$/)) {
+-      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
+-          key, true));
+-    }
+-  });
+-  return output;
+-}
+-
+-
+-function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
+-  var name, str, desc;
+-  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
+-  if (desc.get) {
+-    if (desc.set) {
+-      str = ctx.stylize('[Getter/Setter]', 'special');
+-    } else {
+-      str = ctx.stylize('[Getter]', 'special');
+-    }
+-  } else {
+-    if (desc.set) {
+-      str = ctx.stylize('[Setter]', 'special');
+-    }
+-  }
+-  if (!hasOwnProperty(visibleKeys, key)) {
+-    name = '[' + key + ']';
+-  }
+-  if (!str) {
+-    if (ctx.seen.indexOf(desc.value) < 0) {
+-      if (isNull(recurseTimes)) {
+-        str = formatValue(ctx, desc.value, null);
+-      } else {
+-        str = formatValue(ctx, desc.value, recurseTimes - 1);
+-      }
+-      if (str.indexOf('\n') > -1) {
+-        if (array) {
+-          str = str.split('\n').map(function(line) {
+-            return '  ' + line;
+-          }).join('\n').substr(2);
+-        } else {
+-          str = '\n' + str.split('\n').map(function(line) {
+-            return '   ' + line;
+-          }).join('\n');
+-        }
+-      }
+-    } else {
+-      str = ctx.stylize('[Circular]', 'special');
+-    }
+-  }
+-  if (isUndefined(name)) {
+-    if (array && key.match(/^\d+$/)) {
+-      return str;
+-    }
+-    name = JSON.stringify('' + key);
+-    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
+-      name = name.substr(1, name.length - 2);
+-      name = ctx.stylize(name, 'name');
+-    } else {
+-      name = name.replace(/'/g, "\\'")
+-                 .replace(/\\"/g, '"')
+-                 .replace(/(^"|"$)/g, "'");
+-      name = ctx.stylize(name, 'string');
+-    }
+-  }
+-
+-  return name + ': ' + str;
+-}
+-
+-
+-function reduceToSingleString(output, base, braces) {
+-  var numLinesEst = 0;
+-  var length = output.reduce(function(prev, cur) {
+-    numLinesEst++;
+-    if (cur.indexOf('\n') >= 0) numLinesEst++;
+-    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
+-  }, 0);
+-
+-  if (length > 60) {
+-    return braces[0] +
+-           (base === '' ? '' : base + '\n ') +
+-           ' ' +
+-           output.join(',\n  ') +
+-           ' ' +
+-           braces[1];
+-  }
+-
+-  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
+-}
+-
+-
+ // NOTE: These type checking functions intentionally don't use `instanceof`
+ // because it is fragile and can be easily faked with `Object.create()`.
+ function isArray(ar) {
+@@ -522,166 +98,10 @@ function isPrimitive(arg) {
+ exports.isPrimitive = isPrimitive;
+
+ function isBuffer(arg) {
+-  return arg instanceof Buffer;
++  return Buffer.isBuffer(arg);
+ }
+ exports.isBuffer = isBuffer;
+
+ function objectToString(o) {
+   return Object.prototype.toString.call(o);
+-}
+-
+-
+-function pad(n) {
+-  return n < 10 ? '0' + n.toString(10) : n.toString(10);
+-}
+-
+-
+-var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
+-              'Oct', 'Nov', 'Dec'];
+-
+-// 26 Feb 16:19:34
+-function timestamp() {
+-  var d = new Date();
+-  var time = [pad(d.getHours()),
+-              pad(d.getMinutes()),
+-              pad(d.getSeconds())].join(':');
+-  return [d.getDate(), months[d.getMonth()], time].join(' ');
+-}
+-
+-
+-// log is just a thin wrapper to console.log that prepends a timestamp
+-exports.log = function() {
+-  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
+-};
+-
+-
+-/**
+- * Inherit the prototype methods from one constructor into another.
+- *
+- * The Function.prototype.inherits from lang.js rewritten as a standalone
+- * function (not on Function.prototype). NOTE: If this file is to be loaded
+- * during bootstrapping this function needs to be rewritten using some native
+- * functions as prototype setup using normal JavaScript does not work as
+- * expected during bootstrapping (see mirror.js in r114903).
+- *
+- * @param {function} ctor Constructor function which needs to inherit the
+- *     prototype.
+- * @param {function} superCtor Constructor function to inherit prototype from.
+- */
+-exports.inherits = function(ctor, superCtor) {
+-  ctor.super_ = superCtor;
+-  ctor.prototype = Object.create(superCtor.prototype, {
+-    constructor: {
+-      value: ctor,
+-      enumerable: false,
+-      writable: true,
+-      configurable: true
+-    }
+-  });
+-};
+-
+-exports._extend = function(origin, add) {
+-  // Don't do anything if add isn't an object
+-  if (!add || !isObject(add)) return origin;
+-
+-  var keys = Object.keys(add);
+-  var i = keys.length;
+-  while (i--) {
+-    origin[keys[i]] = add[keys[i]];
+-  }
+-  return origin;
+-};
+-
+-function hasOwnProperty(obj, prop) {
+-  return Object.prototype.hasOwnProperty.call(obj, prop);
+-}
+-
+-
+-// Deprecated old stuff.
+-
+-exports.p = exports.deprecate(function() {
+-  for (var i = 0, len = arguments.length; i < len; ++i) {
+-    console.error(exports.inspect(arguments[i]));
+-  }
+-}, 'util.p: Use console.error() instead');
+-
+-
+-exports.exec = exports.deprecate(function() {
+-  return require('child_process').exec.apply(this, arguments);
+-}, 'util.exec is now called `child_process.exec`.');
+-
+-
+-exports.print = exports.deprecate(function() {
+-  for (var i = 0, len = arguments.length; i < len; ++i) {
+-    process.stdout.write(String(arguments[i]));
+-  }
+-}, 'util.print: Use console.log instead');
+-
+-
+-exports.puts = exports.deprecate(function() {
+-  for (var i = 0, len = arguments.length; i < len; ++i) {
+-    process.stdout.write(arguments[i] + '\n');
+-  }
+-}, 'util.puts: Use console.log instead');
+-
+-
+-exports.debug = exports.deprecate(function(x) {
+-  process.stderr.write('DEBUG: ' + x + '\n');
+-}, 'util.debug: Use console.error instead');
+-
+-
+-exports.error = exports.deprecate(function(x) {
+-  for (var i = 0, len = arguments.length; i < len; ++i) {
+-    process.stderr.write(arguments[i] + '\n');
+-  }
+-}, 'util.error: Use console.error instead');
+-
+-
+-exports.pump = exports.deprecate(function(readStream, writeStream, callback) {
+-  var callbackCalled = false;
+-
+-  function call(a, b, c) {
+-    if (callback && !callbackCalled) {
+-      callback(a, b, c);
+-      callbackCalled = true;
+-    }
+-  }
+-
+-  readStream.addListener('data', function(chunk) {
+-    if (writeStream.write(chunk) === false) readStream.pause();
+-  });
+-
+-  writeStream.addListener('drain', function() {
+-    readStream.resume();
+-  });
+-
+-  readStream.addListener('end', function() {
+-    writeStream.end();
+-  });
+-
+-  readStream.addListener('close', function() {
+-    call();
+-  });
+-
+-  readStream.addListener('error', function(err) {
+-    writeStream.end();
+-    call(err);
+-  });
+-
+-  writeStream.addListener('error', function(err) {
+-    readStream.destroy();
+-    call(err);
+-  });
+-}, 'util.pump(): Use readableStream.pipe() instead');
+-
+-
+-var uv;
+-exports._errnoException = function(err, syscall) {
+-  if (isUndefined(uv)) uv = process.binding('uv');
+-  var errname = uv.errname(err);
+-  var e = new Error(syscall + ' ' + errname);
+-  e.code = errname;
+-  e.errno = errname;
+-  e.syscall = syscall;
+-  return e;
+-};
++}
\ No newline at end of file
diff --git a/node_modules/core-util-is/lib/util.js b/node_modules/core-util-is/lib/util.js
new file mode 100644
index 000000000..ff4c851c0
--- /dev/null
+++ b/node_modules/core-util-is/lib/util.js
@@ -0,0 +1,107 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+// NOTE: These type checking functions intentionally don't use `instanceof`
+// because it is fragile and can be easily faked with `Object.create()`.
+
+function isArray(arg) {
+  if (Array.isArray) {
+    return Array.isArray(arg);
+  }
+  return objectToString(arg) === '[object Array]';
+}
+exports.isArray = isArray;
+
+function isBoolean(arg) {
+  return typeof arg === 'boolean';
+}
+exports.isBoolean = isBoolean;
+
+function isNull(arg) {
+  return arg === null;
+}
+exports.isNull = isNull;
+
+function isNullOrUndefined(arg) {
+  return arg == null;
+}
+exports.isNullOrUndefined = isNullOrUndefined;
+
+function isNumber(arg) {
+  return typeof arg === 'number';
+}
+exports.isNumber = isNumber;
+
+function isString(arg) {
+  return typeof arg === 'string';
+}
+exports.isString = isString;
+
+function isSymbol(arg) {
+  return typeof arg === 'symbol';
+}
+exports.isSymbol = isSymbol;
+
+function isUndefined(arg) {
+  return arg === void 0;
+}
+exports.isUndefined = isUndefined;
+
+function isRegExp(re) {
+  return objectToString(re) === '[object RegExp]';
+}
+exports.isRegExp = isRegExp;
+
+function isObject(arg) {
+  return typeof arg === 'object' && arg !== null;
+}
+exports.isObject = isObject;
+
+function isDate(d) {
+  return objectToString(d) === '[object Date]';
+}
+exports.isDate = isDate;
+
+function isError(e) {
+  return (objectToString(e) === '[object Error]' || e instanceof Error);
+}
+exports.isError = isError;
+
+function isFunction(arg) {
+  return typeof arg === 'function';
+}
+exports.isFunction = isFunction;
+
+function isPrimitive(arg) {
+  return arg === null ||
+         typeof arg === 'boolean' ||
+         typeof arg === 'number' ||
+         typeof arg === 'string' ||
+         typeof arg === 'symbol' ||  // ES6 symbol
+         typeof arg === 'undefined';
+}
+exports.isPrimitive = isPrimitive;
+
+exports.isBuffer = Buffer.isBuffer;
+
+function objectToString(o) {
+  return Object.prototype.toString.call(o);
+}
diff --git a/node_modules/core-util-is/package.json b/node_modules/core-util-is/package.json
new file mode 100644
index 000000000..3368e9519
--- /dev/null
+++ b/node_modules/core-util-is/package.json
@@ -0,0 +1,32 @@
+{
+  "name": "core-util-is",
+  "version": "1.0.2",
+  "description": "The `util.is*` functions introduced in Node v0.12.",
+  "main": "lib/util.js",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/isaacs/core-util-is"
+  },
+  "keywords": [
+    "util",
+    "isBuffer",
+    "isArray",
+    "isNumber",
+    "isString",
+    "isRegExp",
+    "isThis",
+    "isThat",
+    "polyfill"
+  ],
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/isaacs/core-util-is/issues"
+  },
+  "scripts": {
+    "test": "tap test.js"
+  },
+  "devDependencies": {
+    "tap": "^2.3.0"
+  }
+}
diff --git a/node_modules/core-util-is/test.js b/node_modules/core-util-is/test.js
new file mode 100644
index 000000000..1a490c65a
--- /dev/null
+++ b/node_modules/core-util-is/test.js
@@ -0,0 +1,68 @@
+var assert = require('tap');
+
+var t = require('./lib/util');
+
+assert.equal(t.isArray([]), true);
+assert.equal(t.isArray({}), false);
+
+assert.equal(t.isBoolean(null), false);
+assert.equal(t.isBoolean(true), true);
+assert.equal(t.isBoolean(false), true);
+
+assert.equal(t.isNull(null), true);
+assert.equal(t.isNull(undefined), false);
+assert.equal(t.isNull(false), false);
+assert.equal(t.isNull(), false);
+
+assert.equal(t.isNullOrUndefined(null), true);
+assert.equal(t.isNullOrUndefined(undefined), true);
+assert.equal(t.isNullOrUndefined(false), false);
+assert.equal(t.isNullOrUndefined(), true);
+
+assert.equal(t.isNumber(null), false);
+assert.equal(t.isNumber('1'), false);
+assert.equal(t.isNumber(1), true);
+
+assert.equal(t.isString(null), false);
+assert.equal(t.isString('1'), true);
+assert.equal(t.isString(1), false);
+
+assert.equal(t.isSymbol(null), false);
+assert.equal(t.isSymbol('1'), false);
+assert.equal(t.isSymbol(1), false);
+assert.equal(t.isSymbol(Symbol()), true);
+
+assert.equal(t.isUndefined(null), false);
+assert.equal(t.isUndefined(undefined), true);
+assert.equal(t.isUndefined(false), false);
+assert.equal(t.isUndefined(), true);
+
+assert.equal(t.isRegExp(null), false);
+assert.equal(t.isRegExp('1'), false);
+assert.equal(t.isRegExp(new RegExp()), true);
+
+assert.equal(t.isObject({}), true);
+assert.equal(t.isObject([]), true);
+assert.equal(t.isObject(new RegExp()), true);
+assert.equal(t.isObject(new Date()), true);
+
+assert.equal(t.isDate(null), false);
+assert.equal(t.isDate('1'), false);
+assert.equal(t.isDate(new Date()), true);
+
+assert.equal(t.isError(null), false);
+assert.equal(t.isError({ err: true }), false);
+assert.equal(t.isError(new Error()), true);
+
+assert.equal(t.isFunction(null), false);
+assert.equal(t.isFunction({ }), false);
+assert.equal(t.isFunction(function() {}), true);
+
+assert.equal(t.isPrimitive(null), true);
+assert.equal(t.isPrimitive(''), true);
+assert.equal(t.isPrimitive(0), true);
+assert.equal(t.isPrimitive(new Date()), false);
+
+assert.equal(t.isBuffer(null), false);
+assert.equal(t.isBuffer({}), false);
+assert.equal(t.isBuffer(new Buffer(0)), true);
diff --git a/node_modules/dashdash/CHANGES.md b/node_modules/dashdash/CHANGES.md
new file mode 100644
index 000000000..d7c8f4ebe
--- /dev/null
+++ b/node_modules/dashdash/CHANGES.md
@@ -0,0 +1,364 @@
+# node-dashdash changelog
+
+## not yet released
+
+(nothing yet)
+
+## 1.14.1
+
+- [issue #30] Change the output used by dashdash's Bash completion support to
+  indicate "there are no completions for this argument" to cope with different
+  sorting rules on different Bash/platforms. For example:
+
+        $ triton -v -p test2 package get <TAB>          # before
+        ##-no -tritonpackage- completions-##
+
+        $ triton -v -p test2 package get <TAB>          # after
+        ##-no-completion- -results-##
+
+## 1.14.0
+
+- New `synopsisFromOpt(<option spec>)` function. This will be used by
+  [node-cmdln](https://github.com/trentm/node-cmdln) to put together a synopsis
+  of options for a command. Some examples:
+
+        > synopsisFromOpt({names: ['help', 'h'], type: 'bool'});
+        '[ --help | -h ]'
+        > synopsisFromOpt({name: 'file', type: 'string', helpArg: 'FILE'});
+        '[ --file=FILE ]'
+
+
+## 1.13.1
+
+- [issue #20] `bashCompletionSpecFromOptions` breaks on an options array with
+  an empty-string group.
+
+
+## 1.13.0
+
+- Update assert-plus dep to 1.x to get recent fixes (particularly for
+  `assert.optional*`).
+
+- Drop testing (and official support in packages.json#engines) for node 0.8.x.
+  Add testing against node 5.x and 4.x with `make testall`.
+
+- [pull #16] Change the `positiveInteger` type to NOT accept zero (0).
+  For those who might need the old behaviour, see
+  "examples/custom-option-intGteZero.js".  (By Dave Pacheco.)
+
+
+## 1.12.2
+
+- Bash completion: Add `argtypes` to specify the types of positional args.
+  E.g. this would allow you to have an `ssh` command with `argtypes = ['host',
+  'cmd']` for bash completion. You then have to provide Bash functions to
+  handle completing those types via the `specExtra` arg. See
+  "[examples/ddcompletion.js](examples/ddcompletion.js)" for an example.
+
+- Bash completion: Tweak so that options or only offered as completions when
+  there is a leading '-'. E.g. `mytool <TAB>` does NOT offer options, `mytool
+  -<TAB>` *does*. Without this, a tool with options would never be able to
+  fallback to Bash's "default" completion. For example `ls <TAB>` wouldn't
+  result in filename completion. Now it will.
+
+- Bash completion: A workaround for not being able to explicitly have *no*
+  completion results. Because dashdash's completion uses `complete -o default`,
+  we fallback to Bash's "default" completion (typically for filename
+  completion). Before this change, an attempt to explicitly say "there are
+  no completions that match" would unintentionally trigger filename completion.
+  Instead as a workaround we return:
+
+        $ ddcompletion --none <TAB>         # the 'none' argtype
+        ##-no           completions-##
+
+        $ ddcompletion                      # a custom 'fruit' argtype
+        apple   banana  orange
+        $ ddcompletion z
+        ##-no           -fruit-         completions-##
+
+  This is a bit of a hack, but IMO a better experience than the surprise
+  of matching a local filename beginning with 'z', which isn't, in this
+  case, a "fruit".
+
+## 1.12.1
+
+- Bash completion: Document `<option spec>.completionType`. Add `includeHidden`
+  option to `bashCompletionSpecFromOptions()`. Add support for dealing with
+  hidden subcmds.
+
+
+## 1.12.0
+
+- Support for generating Bash completion files. See the "Bash completion"
+  section of the README.md and "examples/ddcompletion.js" for an example.
+
+
+## 1.11.0
+
+- Add the `arrayFlatten` boolean option to `dashdash.addOptionType` used for
+  custom option types. This allows one to create an `arrayOf...` option type
+  where each usage of the option can return multiple results. For example:
+
+        node mytool.js --foo a,b --foo c
+
+  We could define an option type for `--foo` such that
+  `opts.foo = ['a', 'b', 'c']`. See
+  "[examples/custom-option-arrayOfCommaSepString.js](examples/custom-option-arrayOfCommaSepString.js)"
+  for an example.
+
+
+## 1.10.1
+
+- Trim the published package to the minimal bits. Before: 24K tarball, 144K unpacked.
+  After: 12K tarball, 48K unpacked. `npm` won't let me drop the README.md. :)
+
+
+## 1.10.0
+
+- [issue #9] Support `includeDefault` in help config (similar to `includeEnv`) to have a
+  note of an option's default value, if any, in help output.
+- [issue #11] Fix option group breakage introduced in v1.9.0.
+
+
+## 1.9.0
+
+- [issue #10] Custom option types added with `addOptionType` can specify a
+  "default" value. See "examples/custom-option-fruit.js".
+
+
+## 1.8.0
+
+- Support `hidden: true` in an option spec to have help output exclude this
+  option.
+
+
+## 1.7.3
+
+- [issue #8] Fix parsing of a short option group when one of the
+  option takes an argument. For example, consider `tail` with
+  a `-f` boolean option and a `-n` option that takes a number
+  argument. This should parse:
+
+        tail -fn5
+
+  Before this change, that would not parse correctly.
+  It is suspected that this was introduced in version 1.4.0
+  (with commit 656fa8bc71c372ebddad0a7026bd71611e2ec99a).
+
+
+## 1.7.2
+
+- Known issues: #8
+
+- Exclude 'tools/' dir in packages published to npm.
+
+
+## 1.7.1
+
+- Known issues: #8
+
+- Support an option group *empty string* value:
+
+        ...
+        { group: '' },
+        ...
+
+  to render as a blank line in option help. This can help separate loosely
+  related sets of options without resorting to a title for option groups.
+
+
+## 1.7.0
+
+- Known issues: #8
+
+- [pull #7] Support for `<parser>.help({helpWrap: false, ...})` option to be able
+  to fully control the formatting for option help (by Patrick Mooney) `helpWrap:
+  false` can also be set on individual options in the option objects, e.g.:
+
+        var options = [
+            {
+              names: ['foo'],
+              type: 'string',
+              helpWrap: false,
+              help: 'long help with\n  newlines' +
+                '\n  spaces\n  and such\nwill render correctly'
+            },
+            ...
+        ];
+
+
+## 1.6.0
+
+- Known issues: #8
+
+- [pull #6] Support headings between groups of options (by Joshua M. Clulow)
+  so that this code:
+
+        var options = [
+            { group: 'Armament Options' },
+            { names: [ 'weapon', 'w' ], type: 'string' },
+            { group: 'General Options' },
+            { names: [ 'help', 'h' ], type: 'bool' }
+        ];
+        ...
+
+  will give you this help output:
+
+        ...
+          Armament Options:
+            -w, --weapon
+
+          General Options:
+            -h, --help
+        ...
+
+
+## 1.5.0
+
+- Known issues: #8
+
+- Add support for adding custom option types. "examples/custom-option-duration.js"
+  shows an example adding a "duration" option type.
+
+        $ node custom-option-duration.js -t 1h
+        duration: 3600000 ms
+        $ node custom-option-duration.js -t 1s
+        duration: 1000 ms
+        $ node custom-option-duration.js -t 5d
+        duration: 432000000 ms
+        $ node custom-option-duration.js -t bogus
+        custom-option-duration.js: error: arg for "-t" is not a valid duration: "bogus"
+
+  A custom option type is added via:
+
+        var dashdash = require('dashdash');
+        dashdash.addOptionType({
+            name: '...',
+            takesArg: true,
+            helpArg: '...',
+            parseArg: function (option, optstr, arg) {
+                ...
+            }
+        });
+
+- [issue #4] Add `date` and `arrayOfDate` option types. They accept these date
+  formats: epoch second times (e.g. 1396031701) and ISO 8601 format:
+  `YYYY-MM-DD[THH:MM:SS[.sss][Z]]` (e.g. "2014-03-28",
+  "2014-03-28T18:35:01.489Z"). See "examples/date.js" for an example usage.
+
+        $ node examples/date.js -s 2014-01-01 -e $(date +%s)
+        start at 2014-01-01T00:00:00.000Z
+        end at 2014-03-29T04:26:18.000Z
+
+
+## 1.4.0
+
+- Known issues: #8
+
+- [pull #2, pull #3] Add a `allowUnknown: true` option on `createParser` to
+  allow unknown options to be passed through as `opts._args` instead of parsing
+  throwing an exception (by https://github.com/isaacs).
+
+  See 'allowUnknown' in the README for a subtle caveat.
+
+
+## 1.3.2
+
+- Fix a subtlety where a *bool* option using both `env` and `default` didn't
+  work exactly correctly. If `default: false` then all was fine (by luck).
+  However, if you had an option like this:
+
+        options: [ {
+            names: ['verbose', 'v'],
+            env: 'FOO_VERBOSE',
+            'default': true,    // <--- this
+            type: 'bool'
+        } ],
+
+  wanted `FOO_VERBOSE=0` to make the option false, then you need the fix
+  in this version of dashdash.
+
+
+## 1.3.1
+
+- [issue #1] Fix an envvar not winning over an option 'default'. Previously
+  an option with both `default` and `env` would never take a value from the
+  environment variable. E.g. `FOO_FILE` would never work here:
+
+        options: [ {
+            names: ['file', 'f'],
+            env: 'FOO_FILE',
+            'default': 'default.file',
+            type: 'string'
+        } ],
+
+
+## 1.3.0
+
+- [Backward incompatible change for boolean envvars] Change the
+  interpretation of environment variables for boolean options to consider '0'
+  to be false. Previous to this *any* value to the envvar was considered
+  true -- which was quite misleading. Example:
+
+        $ FOO_VERBOSE=0 node examples/foo.js
+        # opts: { verbose: [ false ],
+          _order: [ { key: 'verbose', value: false, from: 'env' } ],
+          _args: [] }
+        # args: []
+
+
+## 1.2.1
+
+- Fix for `parse.help({includeEnv: true, ...})` handling to ensure that an
+  option with an `env` **but no `help`** still has the "Environment: ..."
+  output. E.g.:
+
+        { names: ['foo'], type: 'string', env: 'FOO' }
+
+        ...
+
+        --foo=ARG      Environment: FOO=ARG
+
+
+## 1.2.0
+
+- Transform the option key on the `opts` object returned from
+  `<parser>.parse()` for convenience. Currently this is just
+  `s/-/_/g`, e.g. '--dry-run' -> `opts.dry_run`. This allow one to use hyphen
+  in option names (common) but not have to do silly things like
+  `opt["dry-run"]` to access the parsed results.
+
+
+## 1.1.0
+
+- Environment variable integration. Envvars can be associated with an option,
+  then option processing will fallback to using that envvar if defined and
+  if the option isn't specified in argv. See the "Environment variable
+  integration" section in the README.
+
+- Change the `<parser>.parse()` signature to take a single object with keys
+  for arguments. The old signature is still supported.
+
+- `dashdash.createParser(CONFIG)` alternative to `new dashdash.Parser(CONFIG)`
+  a la many node-land APIs.
+
+
+## 1.0.2
+
+- Add "positiveInteger" and "arrayOfPositiveInteger" option types that only
+  accept positive integers.
+
+- Add "integer" and "arrayOfInteger" option types that accepts only integers.
+  Note that, for better or worse, these do NOT accept: "0x42" (hex), "1e2"
+  (with exponent) or "1.", "3.0" (floats).
+
+
+## 1.0.1
+
+- Fix not modifying the given option spec objects (which breaks creating
+  a Parser with them more than once).
+
+
+## 1.0.0
+
+First release.
diff --git a/node_modules/dashdash/LICENSE.txt b/node_modules/dashdash/LICENSE.txt
new file mode 100644
index 000000000..54706c66e
--- /dev/null
+++ b/node_modules/dashdash/LICENSE.txt
@@ -0,0 +1,24 @@
+# This is the MIT license
+
+Copyright (c) 2013 Trent Mick. All rights reserved.
+Copyright (c) 2013 Joyent Inc. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/node_modules/dashdash/README.md b/node_modules/dashdash/README.md
new file mode 100644
index 000000000..e47b106e6
--- /dev/null
+++ b/node_modules/dashdash/README.md
@@ -0,0 +1,574 @@
+A light, featureful and explicit option parsing library for node.js.
+
+[Why another one? See below](#why). tl;dr: The others I've tried are one of
+too loosey goosey (not explicit), too big/too many deps, or ill specified.
+YMMV.
+
+Follow <a href="https://twitter.com/intent/user?screen_name=trentmick" target="_blank">@trentmick</a>
+for updates to node-dashdash.
+
+# Install
+
+    npm install dashdash
+
+
+# Usage
+
+```javascript
+var dashdash = require('dashdash');
+
+// Specify the options. Minimally `name` (or `names`) and `type`
+// must be given for each.
+var options = [
+    {
+        // `names` or a single `name`. First element is the `opts.KEY`.
+        names: ['help', 'h'],
+        // See "Option specs" below for types.
+        type: 'bool',
+        help: 'Print this help and exit.'
+    }
+];
+
+// Shortcut form. As called it infers `process.argv`. See below for
+// the longer form to use methods like `.help()` on the Parser object.
+var opts = dashdash.parse({options: options});
+
+console.log("opts:", opts);
+console.log("args:", opts._args);
+```
+
+
+# Longer Example
+
+A more realistic [starter script "foo.js"](./examples/foo.js) is as follows.
+This also shows using `parser.help()` for formatted option help.
+
+```javascript
+var dashdash = require('./lib/dashdash');
+
+var options = [
+    {
+        name: 'version',
+        type: 'bool',
+        help: 'Print tool version and exit.'
+    },
+    {
+        names: ['help', 'h'],
+        type: 'bool',
+        help: 'Print this help and exit.'
+    },
+    {
+        names: ['verbose', 'v'],
+        type: 'arrayOfBool',
+        help: 'Verbose output. Use multiple times for more verbose.'
+    },
+    {
+        names: ['file', 'f'],
+        type: 'string',
+        help: 'File to process',
+        helpArg: 'FILE'
+    }
+];
+
+var parser = dashdash.createParser({options: options});
+try {
+    var opts = parser.parse(process.argv);
+} catch (e) {
+    console.error('foo: error: %s', e.message);
+    process.exit(1);
+}
+
+console.log("# opts:", opts);
+console.log("# args:", opts._args);
+
+// Use `parser.help()` for formatted options help.
+if (opts.help) {
+    var help = parser.help({includeEnv: true}).trimRight();
+    console.log('usage: node foo.js [OPTIONS]\n'
+                + 'options:\n'
+                + help);
+    process.exit(0);
+}
+
+// ...
+```
+
+
+Some example output from this script (foo.js):
+
+```
+$ node foo.js -h
+# opts: { help: true,
+  _order: [ { name: 'help', value: true, from: 'argv' } ],
+  _args: [] }
+# args: []
+usage: node foo.js [OPTIONS]
+options:
+    --version             Print tool version and exit.
+    -h, --help            Print this help and exit.
+    -v, --verbose         Verbose output. Use multiple times for more verbose.
+    -f FILE, --file=FILE  File to process
+
+$ node foo.js -v
+# opts: { verbose: [ true ],
+  _order: [ { name: 'verbose', value: true, from: 'argv' } ],
+  _args: [] }
+# args: []
+
+$ node foo.js --version arg1
+# opts: { version: true,
+  _order: [ { name: 'version', value: true, from: 'argv' } ],
+  _args: [ 'arg1' ] }
+# args: [ 'arg1' ]
+
+$ node foo.js -f bar.txt
+# opts: { file: 'bar.txt',
+  _order: [ { name: 'file', value: 'bar.txt', from: 'argv' } ],
+  _args: [] }
+# args: []
+
+$ node foo.js -vvv --file=blah
+# opts: { verbose: [ true, true, true ],
+  file: 'blah',
+  _order:
+   [ { name: 'verbose', value: true, from: 'argv' },
+     { name: 'verbose', value: true, from: 'argv' },
+     { name: 'verbose', value: true, from: 'argv' },
+     { name: 'file', value: 'blah', from: 'argv' } ],
+  _args: [] }
+# args: []
+```
+
+
+See the ["examples"](examples/) dir for a number of starter examples using
+some of dashdash's features.
+
+
+# Environment variable integration
+
+If you want to allow environment variables to specify options to your tool,
+dashdash makes this easy. We can change the 'verbose' option in the example
+above to include an 'env' field:
+
+```javascript
+    {
+        names: ['verbose', 'v'],
+        type: 'arrayOfBool',
+        env: 'FOO_VERBOSE',         // <--- add this line
+        help: 'Verbose output. Use multiple times for more verbose.'
+    },
+```
+
+then the **"FOO_VERBOSE" environment variable** can be used to set this
+option:
+
+```shell
+$ FOO_VERBOSE=1 node foo.js
+# opts: { verbose: [ true ],
+  _order: [ { name: 'verbose', value: true, from: 'env' } ],
+  _args: [] }
+# args: []
+```
+
+Boolean options will interpret the empty string as unset, '0' as false
+and anything else as true.
+
+```shell
+$ FOO_VERBOSE= node examples/foo.js                 # not set
+# opts: { _order: [], _args: [] }
+# args: []
+
+$ FOO_VERBOSE=0 node examples/foo.js                # '0' is false
+# opts: { verbose: [ false ],
+  _order: [ { key: 'verbose', value: false, from: 'env' } ],
+  _args: [] }
+# args: []
+
+$ FOO_VERBOSE=1 node examples/foo.js                # true
+# opts: { verbose: [ true ],
+  _order: [ { key: 'verbose', value: true, from: 'env' } ],
+  _args: [] }
+# args: []
+
+$ FOO_VERBOSE=boogabooga node examples/foo.js       # true
+# opts: { verbose: [ true ],
+  _order: [ { key: 'verbose', value: true, from: 'env' } ],
+  _args: [] }
+# args: []
+```
+
+Non-booleans can be used as well. Strings:
+
+```shell
+$ FOO_FILE=data.txt node examples/foo.js
+# opts: { file: 'data.txt',
+  _order: [ { key: 'file', value: 'data.txt', from: 'env' } ],
+  _args: [] }
+# args: []
+```
+
+Numbers:
+
+```shell
+$ FOO_TIMEOUT=5000 node examples/foo.js
+# opts: { timeout: 5000,
+  _order: [ { key: 'timeout', value: 5000, from: 'env' } ],
+  _args: [] }
+# args: []
+
+$ FOO_TIMEOUT=blarg node examples/foo.js
+foo: error: arg for "FOO_TIMEOUT" is not a positive integer: "blarg"
+```
+
+With the `includeEnv: true` config to `parser.help()` the environment
+variable can also be included in **help output**:
+
+    usage: node foo.js [OPTIONS]
+    options:
+        --version             Print tool version and exit.
+        -h, --help            Print this help and exit.
+        -v, --verbose         Verbose output. Use multiple times for more verbose.
+                              Environment: FOO_VERBOSE=1
+        -f FILE, --file=FILE  File to process
+
+
+# Bash completion
+
+Dashdash provides a simple way to create a Bash completion file that you
+can place in your "bash_completion.d" directory -- sometimes that is
+"/usr/local/etc/bash_completion.d/"). Features:
+
+- Support for short and long opts
+- Support for knowing which options take arguments
+- Support for subcommands (e.g. 'git log <TAB>' to show just options for the
+  log subcommand). See
+  [node-cmdln](https://github.com/trentm/node-cmdln#bash-completion) for
+  how to integrate that.
+- Does the right thing with "--" to stop options.
+- Custom optarg and arg types for custom completions.
+
+Dashdash will return bash completion file content given a parser instance:
+
+    var parser = dashdash.createParser({options: options});
+    console.log( parser.bashCompletion({name: 'mycli'}) );
+
+or directly from a `options` array of options specs:
+
+    var code = dashdash.bashCompletionFromOptions({
+        name: 'mycli',
+        options: OPTIONS
+    });
+
+Write that content to "/usr/local/etc/bash_completion.d/mycli" and you will
+have Bash completions for `mycli`. Alternatively you can write it to
+any file (e.g. "~/.bashrc") and source it.
+
+You could add a `--completion` hidden option to your tool that emits the
+completion content and document for your users to call that to install
+Bash completions.
+
+See [examples/ddcompletion.js](examples/ddcompletion.js) for a complete
+example, including how one can define bash functions for completion of custom
+option types. Also see [node-cmdln](https://github.com/trentm/node-cmdln) for
+how it uses this for Bash completion for full multi-subcommand tools.
+
+- TODO: document specExtra
+- TODO: document includeHidden
+- TODO: document custom types, `function complete\_FOO` guide, completionType
+- TODO: document argtypes
+
+
+# Parser config
+
+Parser construction (i.e. `dashdash.createParser(CONFIG)`) takes the
+following fields:
+
+- `options` (Array of option specs). Required. See the
+  [Option specs](#option-specs) section below.
+
+- `interspersed` (Boolean). Optional. Default is true. If true this allows
+  interspersed arguments and options. I.e.:
+
+        node ./tool.js -v arg1 arg2 -h   # '-h' is after interspersed args
+
+  Set it to false to have '-h' **not** get parsed as an option in the above
+  example.
+
+- `allowUnknown` (Boolean).  Optional.  Default is false.  If false, this causes
+  unknown arguments to throw an error.  I.e.:
+
+        node ./tool.js -v arg1 --afe8asefksjefhas
+
+  Set it to true to treat the unknown option as a positional
+  argument.
+
+  **Caveat**: When a shortopt group, such as `-xaz` contains a mix of
+  known and unknown options, the *entire* group is passed through
+  unmolested as a positional argument.
+
+  Consider if you have a known short option `-a`, and parse the
+  following command line:
+
+        node ./tool.js -xaz
+
+  where `-x` and `-z` are unknown.  There are multiple ways to
+  interpret this:
+
+    1. `-x` takes a value: `{x: 'az'}`
+    2. `-x` and `-z` are both booleans: `{x:true,a:true,z:true}`
+
+  Since dashdash does not know what `-x` and `-z` are, it can't know
+  if you'd prefer to receive `{a:true,_args:['-x','-z']}` or
+  `{x:'az'}`, or `{_args:['-xaz']}`. Leaving the positional arg unprocessed
+  is the easiest mistake for the user to recover from.
+
+
+# Option specs
+
+Example using all fields (required fields are noted):
+
+```javascript
+{
+    names: ['file', 'f'],       // Required (one of `names` or `name`).
+    type: 'string',             // Required.
+    completionType: 'filename',
+    env: 'MYTOOL_FILE',
+    help: 'Config file to load before running "mytool"',
+    helpArg: 'PATH',
+    helpWrap: false,
+    default: path.resolve(process.env.HOME, '.mytoolrc')
+}
+```
+
+Each option spec in the `options` array must/can have the following fields:
+
+- `name` (String) or `names` (Array). Required. These give the option name
+  and aliases. The first name (if more than one given) is the key for the
+  parsed `opts` object.
+
+- `type` (String). Required. One of:
+
+    - bool
+    - string
+    - number
+    - integer
+    - positiveInteger
+    - date (epoch seconds, e.g. 1396031701, or ISO 8601 format
+      `YYYY-MM-DD[THH:MM:SS[.sss][Z]]`, e.g. "2014-03-28T18:35:01.489Z")
+    - arrayOfBool
+    - arrayOfString
+    - arrayOfNumber
+    - arrayOfInteger
+    - arrayOfPositiveInteger
+    - arrayOfDate
+
+  FWIW, these names attempt to match with asserts on
+  [assert-plus](https://github.com/mcavage/node-assert-plus).
+  You can add your own custom option types with `dashdash.addOptionType`.
+  See below.
+
+- `completionType` (String). Optional. This is used for [Bash
+  completion](#bash-completion) for an option argument. If not specified,
+  then the value of `type` is used. Any string may be specified, but only the
+  following values have meaning:
+
+    - `none`: Provide no completions.
+    - `file`: Bash's default completion (i.e. `complete -o default`), which
+      includes filenames.
+    - *Any string FOO for which a `function complete_FOO` Bash function is
+      defined.* This is for custom completions for a given tool. Typically
+      these custom functions are provided in the `specExtra` argument to
+      `dashdash.bashCompletionFromOptions()`. See
+      ["examples/ddcompletion.js"](examples/ddcompletion.js) for an example.
+
+- `env` (String or Array of String). Optional. An environment variable name
+  (or names) that can be used as a fallback for this option. For example,
+  given a "foo.js" like this:
+
+        var options = [{names: ['dry-run', 'n'], env: 'FOO_DRY_RUN'}];
+        var opts = dashdash.parse({options: options});
+
+  Both `node foo.js --dry-run` and `FOO_DRY_RUN=1 node foo.js` would result
+  in `opts.dry_run = true`.
+
+  An environment variable is only used as a fallback, i.e. it is ignored if
+  the associated option is given in `argv`.
+
+- `help` (String). Optional. Used for `parser.help()` output.
+
+- `helpArg` (String). Optional. Used in help output as the placeholder for
+  the option argument, e.g. the "PATH" in:
+
+        ...
+        -f PATH, --file=PATH    File to process
+        ...
+
+- `helpWrap` (Boolean). Optional, default true. Set this to `false` to have
+  that option's `help` *not* be text wrapped in `<parser>.help()` output.
+
+- `default`. Optional. A default value used for this option, if the
+  option isn't specified in argv.
+
+- `hidden` (Boolean). Optional, default false. If true, help output will not
+  include this option. See also the `includeHidden` option to
+  `bashCompletionFromOptions()` for [Bash completion](#bash-completion).
+
+
+# Option group headings
+
+You can add headings between option specs in the `options` array.  To do so,
+simply add an object with only a `group` property -- the string to print as
+the heading for the subsequent options in the array.  For example:
+
+```javascript
+var options = [
+    {
+        group: 'Armament Options'
+    },
+    {
+        names: [ 'weapon', 'w' ],
+        type: 'string'
+    },
+    {
+        group: 'General Options'
+    },
+    {
+        names: [ 'help', 'h' ],
+        type: 'bool'
+    }
+];
+...
+```
+
+Note: You can use an empty string, `{group: ''}`, to get a blank line in help
+output between groups of options.
+
+
+# Help config
+
+The `parser.help(...)` function is configurable as follows:
+
+        Options:
+          Armament Options:
+        ^^  -w WEAPON, --weapon=WEAPON  Weapon with which to crush. One of: |
+       /                                sword, spear, maul                  |
+      /   General Options:                                                  |
+     /      -h, --help                  Print this help and exit.           |
+    /   ^^^^                            ^                                   |
+    \       `-- indent                   `-- helpCol              maxCol ---'
+     `-- headingIndent
+
+- `indent` (Number or String). Default 4. Set to a number (for that many
+  spaces) or a string for the literal indent.
+- `headingIndent` (Number or String). Default half length of `indent`. Set to
+  a number (for that many spaces) or a string for the literal indent. This
+  indent applies to group heading lines, between normal option lines.
+- `nameSort` (String). Default is 'length'. By default the names are
+  sorted to put the short opts first (i.e. '-h, --help' preferred
+  to '--help, -h'). Set to 'none' to not do this sorting.
+- `maxCol` (Number). Default 80. Note that reflow is just done on whitespace
+  so a long token in the option help can overflow maxCol.
+- `helpCol` (Number). If not set a reasonable value will be determined
+  between `minHelpCol` and `maxHelpCol`.
+- `minHelpCol` (Number). Default 20.
+- `maxHelpCol` (Number). Default 40.
+- `helpWrap` (Boolean). Default true. Set to `false` to have option `help`
+  strings *not* be textwrapped to the helpCol..maxCol range.
+- `includeEnv` (Boolean). Default false. If the option has associated
+  environment variables (via the `env` option spec attribute), then
+  append mentioned of those envvars to the help string.
+- `includeDefault` (Boolean). Default false. If the option has a default value
+  (via the `default` option spec attribute, or a default on the option's type),
+  then a "Default: VALUE" string will be appended to the help string.
+
+
+# Custom option types
+
+Dashdash includes a good starter set of option types that it will parse for
+you. However, you can add your own via:
+
+    var dashdash = require('dashdash');
+    dashdash.addOptionType({
+        name: '...',
+        takesArg: true,
+        helpArg: '...',
+        parseArg: function (option, optstr, arg) {
+            ...
+        },
+        array: false,  // optional
+        arrayFlatten: false,  // optional
+        default: ...,   // optional
+        completionType: ...  // optional
+    });
+
+For example, a simple option type that accepts 'yes', 'y', 'no' or 'n' as
+a boolean argument would look like:
+
+    var dashdash = require('dashdash');
+
+    function parseYesNo(option, optstr, arg) {
+        var argLower = arg.toLowerCase()
+        if (~['yes', 'y'].indexOf(argLower)) {
+            return true;
+        } else if (~['no', 'n'].indexOf(argLower)) {
+            return false;
+        } else {
+            throw new Error(format(
+                'arg for "%s" is not "yes" or "no": "%s"',
+                optstr, arg));
+        }
+    }
+
+    dashdash.addOptionType({
+        name: 'yesno'
+        takesArg: true,
+        helpArg: '<yes|no>',
+        parseArg: parseYesNo
+    });
+
+    var options = {
+        {names: ['answer', 'a'], type: 'yesno'}
+    };
+    var opts = dashdash.parse({options: options});
+
+See "examples/custom-option-\*.js" for other examples.
+See the `addOptionType` block comment in "lib/dashdash.js" for more details.
+Please let me know [with an
+issue](https://github.com/trentm/node-dashdash/issues/new) if you write a
+generally useful one.
+
+
+
+# Why
+
+Why another node.js option parsing lib?
+
+- `nopt` really is just for "tools like npm". Implicit opts (e.g. '--no-foo'
+  works for every '--foo'). Can't disable abbreviated opts. Can't do multiple
+  usages of same opt, e.g. '-vvv' (I think). Can't do grouped short opts.
+
+- `optimist` has surprise interpretation of options (at least to me).
+  Implicit opts mean ambiguities and poor error handling for fat-fingering.
+  `process.exit` calls makes it hard to use as a libary.
+
+- `optparse` Incomplete docs. Is this an attempted clone of Python's `optparse`.
+  Not clear. Some divergence. `parser.on("name", ...)` API is weird.
+
+- `argparse` Dep on underscore. No thanks just for option processing.
+  `find lib | wc -l` -> `26`. Overkill.
+  Argparse is a bit different anyway. Not sure I want that.
+
+- `posix-getopt` No type validation. Though that isn't a killer. AFAIK can't
+  have a long opt without a short alias. I.e. no `getopt_long` semantics.
+  Also, no whizbang features like generated help output.
+
+- ["commander.js"](https://github.com/visionmedia/commander.js): I wrote
+  [a critique](http://trentm.com/2014/01/a-critique-of-commander-for-nodejs.html)
+  a while back. It seems fine, but last I checked had
+  [an outstanding bug](https://github.com/visionmedia/commander.js/pull/121)
+  that would prevent me from using it.
+
+
+# License
+
+MIT. See LICENSE.txt.
diff --git a/node_modules/dashdash/etc/dashdash.bash_completion.in b/node_modules/dashdash/etc/dashdash.bash_completion.in
new file mode 100644
index 000000000..dc333096c
--- /dev/null
+++ b/node_modules/dashdash/etc/dashdash.bash_completion.in
@@ -0,0 +1,389 @@
+#!/bin/bash
+#
+# Bash completion generated for '{{name}}' at {{date}}.
+#
+# The original template lives here:
+# https://github.com/trentm/node-dashdash/blob/master/etc/dashdash.bash_completion.in
+#
+
+#
+# Copyright 2016 Trent Mick
+# Copyright 2016 Joyent, Inc.
+#
+#
+# A generic Bash completion driver script.
+#
+# This is meant to provide a re-usable chunk of Bash to use for
+# "etc/bash_completion.d/" files for individual tools. Only the "Configuration"
+# section with tool-specific info need differ. Features:
+#
+# - support for short and long opts
+# - support for knowing which options take arguments
+# - support for subcommands (e.g. 'git log <TAB>' to show just options for the
+#   log subcommand)
+# - does the right thing with "--" to stop options
+# - custom optarg and arg types for custom completions
+# - (TODO) support for shells other than Bash (tcsh, zsh, fish?, etc.)
+#
+#
+# Examples/design:
+#
+# 1. Bash "default" completion. By default Bash's 'complete -o default' is
+#    enabled. That means when there are no completions (e.g. if no opts match
+#    the current word), then you'll get Bash's default completion. Most notably
+#    that means you get filename completion. E.g.:
+#       $ tool ./<TAB>
+#       $ tool READ<TAB>
+#
+# 2. all opts and subcmds:
+#       $ tool <TAB>
+#       $ tool -v <TAB>     # assuming '-v' doesn't take an arg
+#       $ tool -<TAB>       # matching opts
+#       $ git lo<TAB>       # matching subcmds
+#
+#    Long opt completions are given *without* the '=', i.e. we prefer space
+#    separated because that's easier for good completions.
+#
+# 3. long opt arg with '='
+#       $ tool --file=<TAB>
+#       $ tool --file=./d<TAB>
+#    We maintain the "--file=" prefix. Limitation: With the attached prefix
+#    the 'complete -o filenames' doesn't know to do dirname '/' suffixing. Meh.
+#
+# 4. envvars:
+#       $ tool $<TAB>
+#       $ tool $P<TAB>
+#    Limitation: Currently only getting exported vars, so we miss "PS1" and
+#    others.
+#
+# 5. Defer to other completion in a subshell:
+#       $ tool --file $(cat ./<TAB>
+#    We get this from 'complete -o default ...'.
+#
+# 6. Custom completion types from a provided bash function.
+#       $ tool --profile <TAB>        # complete available "profiles"
+#
+#
+# Dev Notes:
+# - compgen notes, from http://unix.stackexchange.com/questions/151118/understand-compgen-builtin-command
+# - https://www.gnu.org/software/bash/manual/html_node/Programmable-Completion-Builtins.html
+#
+
+
+# Debugging this completion:
+#   1. Uncomment the "_{{name}}_log_file=..." line.
+#   2. 'tail -f /var/tmp/dashdash-completion.log' in one terminal.
+#   3. Re-source this bash completion file.
+#_{{name}}_log=/var/tmp/dashdash-completion.log
+
+function _{{name}}_completer {
+
+    # ---- cmd definition
+
+    {{spec}}
+
+
+    # ---- locals
+
+    declare -a argv
+
+
+    # ---- support functions
+
+    function trace {
+        [[ -n "$_{{name}}_log" ]] && echo "$*" >&2
+    }
+
+    function _dashdash_complete {
+        local idx context
+        idx=$1
+        context=$2
+
+        local shortopts longopts optargs subcmds allsubcmds argtypes
+        shortopts="$(eval "echo \${cmd${context}_shortopts}")"
+        longopts="$(eval "echo \${cmd${context}_longopts}")"
+        optargs="$(eval "echo \${cmd${context}_optargs}")"
+        subcmds="$(eval "echo \${cmd${context}_subcmds}")"
+        allsubcmds="$(eval "echo \${cmd${context}_allsubcmds}")"
+        IFS=', ' read -r -a argtypes <<< "$(eval "echo \${cmd${context}_argtypes}")"
+
+        trace ""
+        trace "_dashdash_complete(idx=$idx, context=$context)"
+        trace "  shortopts: $shortopts"
+        trace "  longopts: $longopts"
+        trace "  optargs: $optargs"
+        trace "  subcmds: $subcmds"
+        trace "  allsubcmds: $allsubcmds"
+
+        # Get 'state' of option parsing at this COMP_POINT.
+        # Copying "dashdash.js#parse()" behaviour here.
+        local state=
+        local nargs=0
+        local i=$idx
+        local argtype
+        local optname
+        local prefix
+        local word
+        local dashdashseen=
+        while [[ $i -lt $len && $i -le $COMP_CWORD ]]; do
+            argtype=
+            optname=
+            prefix=
+            word=
+
+            arg=${argv[$i]}
+            trace "  consider argv[$i]: '$arg'"
+
+            if [[ "$arg" == "--" && $i -lt $COMP_CWORD ]]; then
+                trace "    dashdash seen"
+                dashdashseen=yes
+                state=arg
+                word=$arg
+            elif [[ -z "$dashdashseen" && "${arg:0:2}" == "--" ]]; then
+                arg=${arg:2}
+                if [[ "$arg" == *"="* ]]; then
+                    optname=${arg%%=*}
+                    val=${arg##*=}
+                    trace "    long opt: optname='$optname' val='$val'"
+                    state=arg
+                    argtype=$(echo "$optargs" | awk -F "-$optname=" '{print $2}' | cut -d' ' -f1)
+                    word=$val
+                    prefix="--$optname="
+                else
+                    optname=$arg
+                    val=
+                    trace "    long opt: optname='$optname'"
+                    state=longopt
+                    word=--$optname
+
+                    if [[ "$optargs" == *"-$optname="* && $i -lt $COMP_CWORD ]]; then
+                        i=$(( $i + 1 ))
+                        state=arg
+                        argtype=$(echo "$optargs" | awk -F "-$optname=" '{print $2}' | cut -d' ' -f1)
+                        word=${argv[$i]}
+                        trace "    takes arg (consume argv[$i], word='$word')"
+                    fi
+                fi
+            elif [[ -z "$dashdashseen" && "${arg:0:1}" == "-" ]]; then
+                trace "    short opt group"
+                state=shortopt
+                word=$arg
+
+                local j=1
+                while [[ $j -lt ${#arg} ]]; do
+                    optname=${arg:$j:1}
+                    trace "    consider index $j: optname '$optname'"
+
+                    if [[ "$optargs" == *"-$optname="* ]]; then
+                        argtype=$(echo "$optargs" | awk -F "-$optname=" '{print $2}' | cut -d' ' -f1)
+                        if [[ $(( $j + 1 )) -lt ${#arg} ]]; then
+                            state=arg
+                            word=${arg:$(( $j + 1 ))}
+                            trace "      takes arg (rest of this arg, word='$word', argtype='$argtype')"
+                        elif [[ $i -lt $COMP_CWORD ]]; then
+                            state=arg
+                            i=$(( $i + 1 ))
+                            word=${argv[$i]}
+                            trace "    takes arg (word='$word', argtype='$argtype')"
+                        fi
+                        break
+                    fi
+
+                    j=$(( $j + 1 ))
+                done
+            elif [[ $i -lt $COMP_CWORD && -n "$arg" ]] && $(echo "$allsubcmds" | grep -w "$arg" >/dev/null); then
+                trace "    complete subcmd: recurse _dashdash_complete"
+                _dashdash_complete $(( $i + 1 )) "${context}__${arg/-/_}"
+                return
+            else
+                trace "    not an opt or a complete subcmd"
+                state=arg
+                word=$arg
+                nargs=$(( $nargs + 1 ))
+                if [[ ${#argtypes[@]} -gt 0 ]]; then
+                    argtype="${argtypes[$(( $nargs - 1 ))]}"
+                    if [[ -z "$argtype" ]]; then
+                        # If we have more args than argtypes, we use the
+                        # last type.
+                        argtype="${argtypes[@]: -1:1}"
+                    fi
+                fi
+            fi
+
+            trace "    state=$state prefix='$prefix' word='$word'"
+            i=$(( $i + 1 ))
+        done
+
+        trace "  parsed: state=$state optname='$optname' argtype='$argtype' prefix='$prefix' word='$word' dashdashseen=$dashdashseen"
+        local compgen_opts=
+        if [[ -n "$prefix" ]]; then
+            compgen_opts="$compgen_opts -P $prefix"
+        fi
+
+        case $state in
+        shortopt)
+            compgen $compgen_opts -W "$shortopts $longopts" -- "$word"
+            ;;
+        longopt)
+            compgen $compgen_opts -W "$longopts" -- "$word"
+            ;;
+        arg)
+            # If we don't know what completion to do, then emit nothing. We
+            # expect that we are running with:
+            #       complete -o default ...
+            # where "default" means: "Use Readline's default completion if
+            # the compspec generates no matches." This gives us the good filename
+            # completion, completion in subshells/backticks.
+            #
+            # We cannot support an argtype="directory" because
+            #       compgen -S '/' -A directory -- "$word"
+            # doesn't give a satisfying result. It doesn't stop at the trailing '/'
+            # so you cannot descend into dirs.
+            if [[ "${word:0:1}" == '$' ]]; then
+                # By default, Bash will complete '$<TAB>' to all envvars. Apparently
+                # 'complete -o default' does *not* give us that. The following
+                # gets *close* to the same completions: '-A export' misses envvars
+                # like "PS1".
+                trace "  completing envvars"
+                compgen $compgen_opts -P '$' -A export -- "${word:1}"
+            elif [[ -z "$argtype" ]]; then
+                # Only include opts in completions if $word is not empty.
+                # This is to avoid completing the leading '-', which foils
+                # using 'default' completion.
+                if [[ -n "$dashdashseen" ]]; then
+                    trace "  completing subcmds, if any (no argtype, dashdash seen)"
+                    compgen $compgen_opts -W "$subcmds" -- "$word"
+                elif [[ -z "$word" ]]; then
+                    trace "  completing subcmds, if any (no argtype, empty word)"
+                    compgen $compgen_opts -W "$subcmds" -- "$word"
+                else
+                    trace "  completing opts & subcmds (no argtype)"
+                    compgen $compgen_opts -W "$shortopts $longopts $subcmds" -- "$word"
+                fi
+            elif [[ $argtype == "none" ]]; then
+                # We want *no* completions, i.e. some way to get the active
+                # 'complete -o default' to not do filename completion.
+                trace "  completing 'none' (hack to imply no completions)"
+                echo "##-no-completion- -results-##"
+            elif [[ $argtype == "file" ]]; then
+                # 'complete -o default' gives the best filename completion, at least
+                # on Mac.
+                trace "  completing 'file' (let 'complete -o default' handle it)"
+                echo ""
+            elif ! type complete_$argtype 2>/dev/null >/dev/null; then
+                trace "  completing '$argtype' (fallback to default b/c complete_$argtype is unknown)"
+                echo ""
+            else
+                trace "  completing custom '$argtype'"
+                completions=$(complete_$argtype "$word")
+                if [[ -z "$completions" ]]; then
+                    trace "  no custom '$argtype' completions"
+                    # These are in ascii and "dictionary" order so they sort
+                    # correctly.
+                    echo "##-no-completion- -results-##"
+                else
+                    echo $completions
+                fi
+            fi
+            ;;
+        *)
+            trace "  unknown state: $state"
+            ;;
+        esac
+    }
+
+
+    trace ""
+    trace "-- $(date)"
+    #trace "\$IFS: '$IFS'"
+    #trace "\$@: '$@'"
+    #trace "COMP_WORDBREAKS: '$COMP_WORDBREAKS'"
+    trace "COMP_CWORD: '$COMP_CWORD'"
+    trace "COMP_LINE: '$COMP_LINE'"
+    trace "COMP_POINT: $COMP_POINT"
+
+    # Guard against negative COMP_CWORD. This is a Bash bug at least on
+    # Mac 10.10.4's bash. See
+    # <https://lists.gnu.org/archive/html/bug-bash/2009-07/msg00125.html>.
+    if [[ $COMP_CWORD -lt 0 ]]; then
+        trace "abort on negative COMP_CWORD"
+        exit 1;
+    fi
+
+    # I don't know how to do array manip on argv vars,
+    # so copy over to argv array to work on them.
+    shift   # the leading '--'
+    i=0
+    len=$#
+    while [[ $# -gt 0 ]]; do
+        argv[$i]=$1
+        shift;
+        i=$(( $i + 1 ))
+    done
+    trace "argv: '${argv[@]}'"
+    trace "argv[COMP_CWORD-1]: '${argv[$(( $COMP_CWORD - 1 ))]}'"
+    trace "argv[COMP_CWORD]: '${argv[$COMP_CWORD]}'"
+    trace "argv len: '$len'"
+
+    _dashdash_complete 1 ""
+}
+
+
+# ---- mainline
+
+# Note: This if-block to help work with 'compdef' and 'compctl' is
+# adapted from 'npm completion'.
+if type complete &>/dev/null; then
+    function _{{name}}_completion {
+        local _log_file=/dev/null
+        [[ -z "$_{{name}}_log" ]] || _log_file="$_{{name}}_log"
+        COMPREPLY=($(COMP_CWORD="$COMP_CWORD" \
+            COMP_LINE="$COMP_LINE" \
+            COMP_POINT="$COMP_POINT" \
+            _{{name}}_completer -- "${COMP_WORDS[@]}" \
+            2>$_log_file)) || return $?
+    }
+    complete -o default -F _{{name}}_completion {{name}}
+elif type compdef &>/dev/null; then
+    function _{{name}}_completion {
+        local _log_file=/dev/null
+        [[ -z "$_{{name}}_log" ]] || _log_file="$_{{name}}_log"
+        compadd -- $(COMP_CWORD=$((CURRENT-1)) \
+            COMP_LINE=$BUFFER \
+            COMP_POINT=0 \
+            _{{name}}_completer -- "${words[@]}" \
+            2>$_log_file)
+    }
+    compdef _{{name}}_completion {{name}}
+elif type compctl &>/dev/null; then
+    function _{{name}}_completion {
+        local cword line point words si
+        read -Ac words
+        read -cn cword
+        let cword-=1
+        read -l line
+        read -ln point
+        local _log_file=/dev/null
+        [[ -z "$_{{name}}_log" ]] || _log_file="$_{{name}}_log"
+        reply=($(COMP_CWORD="$cword" \
+            COMP_LINE="$line" \
+            COMP_POINT="$point" \
+            _{{name}}_completer -- "${words[@]}" \
+            2>$_log_file)) || return $?
+    }
+    compctl -K _{{name}}_completion {{name}}
+fi
+
+
+##
+## This is a Bash completion file for the '{{name}}' command. You can install
+## with either:
+##
+##     cp FILE /usr/local/etc/bash_completion.d/{{name}}   # Mac
+##     cp FILE /etc/bash_completion.d/{{name}}             # Linux
+##
+## or:
+##
+##     cp FILE > ~/.{{name}}.completion
+##     echo "source ~/.{{name}}.completion" >> ~/.bashrc
+##
\ No newline at end of file
diff --git a/node_modules/dashdash/lib/dashdash.js b/node_modules/dashdash/lib/dashdash.js
new file mode 100644
index 000000000..adb6f13b1
--- /dev/null
+++ b/node_modules/dashdash/lib/dashdash.js
@@ -0,0 +1,1055 @@
+/**
+ * dashdash - A light, featureful and explicit option parsing library for
+ * node.js.
+ */
+// vim: set ts=4 sts=4 sw=4 et:
+
+var assert = require('assert-plus');
+var format = require('util').format;
+var fs = require('fs');
+var path = require('path');
+
+
+var DEBUG = true;
+if (DEBUG) {
+    var debug = console.warn;
+} else {
+    var debug = function () {};
+}
+
+
+
+// ---- internal support stuff
+
+// Replace {{variable}} in `s` with the template data in `d`.
+function renderTemplate(s, d) {
+    return s.replace(/{{([a-zA-Z]+)}}/g, function (match, key) {
+        return d.hasOwnProperty(key) ? d[key] : match;
+    });
+}
+
+/**
+ * Return a shallow copy of the given object;
+ */
+function shallowCopy(obj) {
+    if (!obj) {
+        return (obj);
+    }
+    var copy = {};
+    Object.keys(obj).forEach(function (k) {
+        copy[k] = obj[k];
+    });
+    return (copy);
+}
+
+
+function space(n) {
+    var s = '';
+    for (var i = 0; i < n; i++) {
+        s += ' ';
+    }
+    return s;
+}
+
+
+function makeIndent(arg, deflen, name) {
+    if (arg === null || arg === undefined)
+        return space(deflen);
+    else if (typeof (arg) === 'number')
+        return space(arg);
+    else if (typeof (arg) === 'string')
+        return arg;
+    else
+        assert.fail('invalid "' + name + '": not a string or number: ' + arg);
+}
+
+
+/**
+ * Return an array of lines wrapping the given text to the given width.
+ * This splits on whitespace. Single tokens longer than `width` are not
+ * broken up.
+ */
+function textwrap(s, width) {
+    var words = s.trim().split(/\s+/);
+    var lines = [];
+    var line = '';
+    words.forEach(function (w) {
+        var newLength = line.length + w.length;
+        if (line.length > 0)
+            newLength += 1;
+        if (newLength > width) {
+            lines.push(line);
+            line = '';
+        }
+        if (line.length > 0)
+            line += ' ';
+        line += w;
+    });
+    lines.push(line);
+    return lines;
+}
+
+
+/**
+ * Transform an option name to a "key" that is used as the field
+ * on the `opts` object returned from `<parser>.parse()`.
+ *
+ * Transformations:
+ * - '-' -> '_': This allow one to use hyphen in option names (common)
+ *   but not have to do silly things like `opt["dry-run"]` to access the
+ *   parsed results.
+ */
+function optionKeyFromName(name) {
+    return name.replace(/-/g, '_');
+}
+
+
+
+// ---- Option types
+
+function parseBool(option, optstr, arg) {
+    return Boolean(arg);
+}
+
+function parseString(option, optstr, arg) {
+    assert.string(arg, 'arg');
+    return arg;
+}
+
+function parseNumber(option, optstr, arg) {
+    assert.string(arg, 'arg');
+    var num = Number(arg);
+    if (isNaN(num)) {
+        throw new Error(format('arg for "%s" is not a number: "%s"',
+            optstr, arg));
+    }
+    return num;
+}
+
+function parseInteger(option, optstr, arg) {
+    assert.string(arg, 'arg');
+    var num = Number(arg);
+    if (!/^[0-9-]+$/.test(arg) || isNaN(num)) {
+        throw new Error(format('arg for "%s" is not an integer: "%s"',
+            optstr, arg));
+    }
+    return num;
+}
+
+function parsePositiveInteger(option, optstr, arg) {
+    assert.string(arg, 'arg');
+    var num = Number(arg);
+    if (!/^[0-9]+$/.test(arg) || isNaN(num) || num === 0) {
+        throw new Error(format('arg for "%s" is not a positive integer: "%s"',
+            optstr, arg));
+    }
+    return num;
+}
+
+/**
+ * Supported date args:
+ * - epoch second times (e.g. 1396031701)
+ * - ISO 8601 format: YYYY-MM-DD[THH:MM:SS[.sss][Z]]
+ *      2014-03-28T18:35:01.489Z
+ *      2014-03-28T18:35:01.489
+ *      2014-03-28T18:35:01Z
+ *      2014-03-28T18:35:01
+ *      2014-03-28
+ */
+function parseDate(option, optstr, arg) {
+    assert.string(arg, 'arg');
+    var date;
+    if (/^\d+$/.test(arg)) {
+        // epoch seconds
+        date = new Date(Number(arg) * 1000);
+    /* JSSTYLED */
+    } else if (/^\d{4}-\d{2}-\d{2}(T\d{2}:\d{2}:\d{2}(\.\d+)?Z?)?$/i.test(arg)) {
+        // ISO 8601 format
+        date = new Date(arg);
+    } else {
+        throw new Error(format('arg for "%s" is not a valid date format: "%s"',
+            optstr, arg));
+    }
+    if (date.toString() === 'Invalid Date') {
+        throw new Error(format('arg for "%s" is an invalid date: "%s"',
+            optstr, arg));
+    }
+    return date;
+}
+
+var optionTypes = {
+    bool: {
+        takesArg: false,
+        parseArg: parseBool
+    },
+    string: {
+        takesArg: true,
+        helpArg: 'ARG',
+        parseArg: parseString
+    },
+    number: {
+        takesArg: true,
+        helpArg: 'NUM',
+        parseArg: parseNumber
+    },
+    integer: {
+        takesArg: true,
+        helpArg: 'INT',
+        parseArg: parseInteger
+    },
+    positiveInteger: {
+        takesArg: true,
+        helpArg: 'INT',
+        parseArg: parsePositiveInteger
+    },
+    date: {
+        takesArg: true,
+        helpArg: 'DATE',
+        parseArg: parseDate
+    },
+    arrayOfBool: {
+        takesArg: false,
+        array: true,
+        parseArg: parseBool
+    },
+    arrayOfString: {
+        takesArg: true,
+        helpArg: 'ARG',
+        array: true,
+        parseArg: parseString
+    },
+    arrayOfNumber: {
+        takesArg: true,
+        helpArg: 'NUM',
+        array: true,
+        parseArg: parseNumber
+    },
+    arrayOfInteger: {
+        takesArg: true,
+        helpArg: 'INT',
+        array: true,
+        parseArg: parseInteger
+    },
+    arrayOfPositiveInteger: {
+        takesArg: true,
+        helpArg: 'INT',
+        array: true,
+        parseArg: parsePositiveInteger
+    },
+    arrayOfDate: {
+        takesArg: true,
+        helpArg: 'INT',
+        array: true,
+        parseArg: parseDate
+    },
+};
+
+
+
+// ---- Parser
+
+/**
+ * Parser constructor.
+ *
+ * @param config {Object} The parser configuration
+ *      - options {Array} Array of option specs. See the README for how to
+ *        specify each option spec.
+ *      - allowUnknown {Boolean} Default false. Whether to throw on unknown
+ *        options. If false, then unknown args are included in the _args array.
+ *      - interspersed {Boolean} Default true. Whether to allow interspersed
+ *        arguments (non-options) and options. E.g.:
+ *              node tool.js arg1 arg2 -v
+ *        '-v' is after some args here. If `interspersed: false` then '-v'
+ *        would not be parsed out. Note that regardless of `interspersed`
+ *        the presence of '--' will stop option parsing, as all good
+ *        option parsers should.
+ */
+function Parser(config) {
+    assert.object(config, 'config');
+    assert.arrayOfObject(config.options, 'config.options');
+    assert.optionalBool(config.interspersed, 'config.interspersed');
+    var self = this;
+
+    // Allow interspersed arguments (true by default).
+    this.interspersed = (config.interspersed !== undefined
+        ? config.interspersed : true);
+
+    // Don't allow unknown flags (true by default).
+    this.allowUnknown = (config.allowUnknown !== undefined
+        ? config.allowUnknown : false);
+
+    this.options = config.options.map(function (o) { return shallowCopy(o); });
+    this.optionFromName = {};
+    this.optionFromEnv = {};
+    for (var i = 0; i < this.options.length; i++) {
+        var o = this.options[i];
+        if (o.group !== undefined && o.group !== null) {
+            assert.optionalString(o.group,
+                format('config.options.%d.group', i));
+            continue;
+        }
+        assert.ok(optionTypes[o.type],
+            format('invalid config.options.%d.type: "%s" in %j',
+                   i, o.type, o));
+        assert.optionalString(o.name, format('config.options.%d.name', i));
+        assert.optionalArrayOfString(o.names,
+            format('config.options.%d.names', i));
+        assert.ok((o.name || o.names) && !(o.name && o.names),
+            format('exactly one of "name" or "names" required: %j', o));
+        assert.optionalString(o.help, format('config.options.%d.help', i));
+        var env = o.env || [];
+        if (typeof (env) === 'string') {
+            env = [env];
+        }
+        assert.optionalArrayOfString(env, format('config.options.%d.env', i));
+        assert.optionalString(o.helpGroup,
+            format('config.options.%d.helpGroup', i));
+        assert.optionalBool(o.helpWrap,
+            format('config.options.%d.helpWrap', i));
+        assert.optionalBool(o.hidden, format('config.options.%d.hidden', i));
+
+        if (o.name) {
+            o.names = [o.name];
+        } else {
+            assert.string(o.names[0],
+                format('config.options.%d.names is empty', i));
+        }
+        o.key = optionKeyFromName(o.names[0]);
+        o.names.forEach(function (n) {
+            if (self.optionFromName[n]) {
+                throw new Error(format(
+                    'option name collision: "%s" used in %j and %j',
+                    n, self.optionFromName[n], o));
+            }
+            self.optionFromName[n] = o;
+        });
+        env.forEach(function (n) {
+            if (self.optionFromEnv[n]) {
+                throw new Error(format(
+                    'option env collision: "%s" used in %j and %j',
+                    n, self.optionFromEnv[n], o));
+            }
+            self.optionFromEnv[n] = o;
+        });
+    }
+}
+
+Parser.prototype.optionTakesArg = function optionTakesArg(option) {
+    return optionTypes[option.type].takesArg;
+};
+
+/**
+ * Parse options from the given argv.
+ *
+ * @param inputs {Object} Optional.
+ *      - argv {Array} Optional. The argv to parse. Defaults to
+ *        `process.argv`.
+ *      - slice {Number} The index into argv at which options/args begin.
+ *        Default is 2, as appropriate for `process.argv`.
+ *      - env {Object} Optional. The env to use for 'env' entries in the
+ *        option specs. Defaults to `process.env`.
+ * @returns {Object} Parsed `opts`. It has special keys `_args` (the
+ *      remaining args from `argv`) and `_order` (gives the order that
+ *      options were specified).
+ */
+Parser.prototype.parse = function parse(inputs) {
+    var self = this;
+
+    // Old API was `parse([argv, [slice]])`
+    if (Array.isArray(arguments[0])) {
+        inputs = {argv: arguments[0], slice: arguments[1]};
+    }
+
+    assert.optionalObject(inputs, 'inputs');
+    if (!inputs) {
+        inputs = {};
+    }
+    assert.optionalArrayOfString(inputs.argv, 'inputs.argv');
+    //assert.optionalNumber(slice, 'slice');
+    var argv = inputs.argv || process.argv;
+    var slice = inputs.slice !== undefined ? inputs.slice : 2;
+    var args = argv.slice(slice);
+    var env = inputs.env || process.env;
+    var opts = {};
+    var _order = [];
+
+    function addOpt(option, optstr, key, val, from) {
+        var type = optionTypes[option.type];
+        var parsedVal = type.parseArg(option, optstr, val);
+        if (type.array) {
+            if (!opts[key]) {
+                opts[key] = [];
+            }
+            if (type.arrayFlatten && Array.isArray(parsedVal)) {
+                for (var i = 0; i < parsedVal.length; i++) {
+                    opts[key].push(parsedVal[i]);
+                }
+            } else {
+                opts[key].push(parsedVal);
+            }
+        } else {
+            opts[key] = parsedVal;
+        }
+        var item = { key: key, value: parsedVal, from: from };
+        _order.push(item);
+    }
+
+    // Parse args.
+    var _args = [];
+    var i = 0;
+    outer: while (i < args.length) {
+        var arg = args[i];
+
+        // End of options marker.
+        if (arg === '--') {
+            i++;
+            break;
+
+        // Long option
+        } else if (arg.slice(0, 2) === '--') {
+            var name = arg.slice(2);
+            var val = null;
+            var idx = name.indexOf('=');
+            if (idx !== -1) {
+                val = name.slice(idx + 1);
+                name = name.slice(0, idx);
+            }
+            var option = this.optionFromName[name];
+            if (!option) {
+                if (!this.allowUnknown)
+                    throw new Error(format('unknown option: "--%s"', name));
+                else if (this.interspersed)
+                    _args.push(arg);
+                else
+                    break outer;
+            } else {
+                var takesArg = this.optionTakesArg(option);
+                if (val !== null && !takesArg) {
+                    throw new Error(format('argument given to "--%s" option '
+                        + 'that does not take one: "%s"', name, arg));
+                }
+                if (!takesArg) {
+                    addOpt(option, '--'+name, option.key, true, 'argv');
+                } else if (val !== null) {
+                    addOpt(option, '--'+name, option.key, val, 'argv');
+                } else if (i + 1 >= args.length) {
+                    throw new Error(format('do not have enough args for "--%s" '
+                        + 'option', name));
+                } else {
+                    addOpt(option, '--'+name, option.key, args[i + 1], 'argv');
+                    i++;
+                }
+            }
+
+        // Short option
+        } else if (arg[0] === '-' && arg.length > 1) {
+            var j = 1;
+            var allFound = true;
+            while (j < arg.length) {
+                var name = arg[j];
+                var option = this.optionFromName[name];
+                if (!option) {
+                    allFound = false;
+                    if (this.allowUnknown) {
+                        if (this.interspersed) {
+                            _args.push(arg);
+                            break;
+                        } else
+                            break outer;
+                    } else if (arg.length > 2) {
+                        throw new Error(format(
+                            'unknown option: "-%s" in "%s" group',
+                            name, arg));
+                    } else {
+                        throw new Error(format('unknown option: "-%s"', name));
+                    }
+                } else if (this.optionTakesArg(option)) {
+                    break;
+                }
+                j++;
+            }
+
+            j = 1;
+            while (allFound && j < arg.length) {
+                var name = arg[j];
+                var val = arg.slice(j + 1);  // option val if it takes an arg
+                var option = this.optionFromName[name];
+                var takesArg = this.optionTakesArg(option);
+                if (!takesArg) {
+                    addOpt(option, '-'+name, option.key, true, 'argv');
+                } else if (val) {
+                    addOpt(option, '-'+name, option.key, val, 'argv');
+                    break;
+                } else {
+                    if (i + 1 >= args.length) {
+                        throw new Error(format('do not have enough args '
+                            + 'for "-%s" option', name));
+                    }
+                    addOpt(option, '-'+name, option.key, args[i + 1], 'argv');
+                    i++;
+                    break;
+                }
+                j++;
+            }
+
+        // An interspersed arg
+        } else if (this.interspersed) {
+            _args.push(arg);
+
+        // An arg and interspersed args are not allowed, so done options.
+        } else {
+            break outer;
+        }
+        i++;
+    }
+    _args = _args.concat(args.slice(i));
+
+    // Parse environment.
+    Object.keys(this.optionFromEnv).forEach(function (envname) {
+        var val = env[envname];
+        if (val === undefined)
+            return;
+        var option = self.optionFromEnv[envname];
+        if (opts[option.key] !== undefined)
+            return;
+        var takesArg = self.optionTakesArg(option);
+        if (takesArg) {
+            addOpt(option, envname, option.key, val, 'env');
+        } else if (val !== '') {
+            // Boolean envvar handling:
+            // - VAR=<empty-string>     not set (as if the VAR was not set)
+            // - VAR=0                  false
+            // - anything else          true
+            addOpt(option, envname, option.key, (val !== '0'), 'env');
+        }
+    });
+
+    // Apply default values.
+    this.options.forEach(function (o) {
+        if (opts[o.key] === undefined) {
+            if (o.default !== undefined) {
+                opts[o.key] = o.default;
+            } else if (o.type && optionTypes[o.type].default !== undefined) {
+                opts[o.key] = optionTypes[o.type].default;
+            }
+        }
+    });
+
+    opts._order = _order;
+    opts._args = _args;
+    return opts;
+};
+
+
+/**
+ * Return help output for the current options.
+ *
+ * E.g.: if the current options are:
+ *      [{names: ['help', 'h'], type: 'bool', help: 'Show help and exit.'}]
+ * then this would return:
+ *      '  -h, --help     Show help and exit.\n'
+ *
+ * @param config {Object} Config for controlling the option help output.
+ *      - indent {Number|String} Default 4. An indent/prefix to use for
+ *        each option line.
+ *      - nameSort {String} Default is 'length'. By default the names are
+ *        sorted to put the short opts first (i.e. '-h, --help' preferred
+ *        to '--help, -h'). Set to 'none' to not do this sorting.
+ *      - maxCol {Number} Default 80. Note that long tokens in a help string
+ *        can go past this.
+ *      - helpCol {Number} Set to specify a specific column at which
+ *        option help will be aligned. By default this is determined
+ *        automatically.
+ *      - minHelpCol {Number} Default 20.
+ *      - maxHelpCol {Number} Default 40.
+ *      - includeEnv {Boolean} Default false. If true, a note stating the `env`
+ *        envvar (if specified for this option) will be appended to the help
+ *        output.
+ *      - includeDefault {Boolean} Default false. If true, a note stating
+ *        the `default` for this option, if any, will be appended to the help
+ *        output.
+ *      - helpWrap {Boolean} Default true. Wrap help text in helpCol..maxCol
+ *        bounds.
+ * @returns {String}
+ */
+Parser.prototype.help = function help(config) {
+    config = config || {};
+    assert.object(config, 'config');
+
+    var indent = makeIndent(config.indent, 4, 'config.indent');
+    var headingIndent = makeIndent(config.headingIndent,
+        Math.round(indent.length / 2), 'config.headingIndent');
+
+    assert.optionalString(config.nameSort, 'config.nameSort');
+    var nameSort = config.nameSort || 'length';
+    assert.ok(~['length', 'none'].indexOf(nameSort),
+        'invalid "config.nameSort"');
+    assert.optionalNumber(config.maxCol, 'config.maxCol');
+    assert.optionalNumber(config.maxHelpCol, 'config.maxHelpCol');
+    assert.optionalNumber(config.minHelpCol, 'config.minHelpCol');
+    assert.optionalNumber(config.helpCol, 'config.helpCol');
+    assert.optionalBool(config.includeEnv, 'config.includeEnv');
+    assert.optionalBool(config.includeDefault, 'config.includeDefault');
+    assert.optionalBool(config.helpWrap, 'config.helpWrap');
+    var maxCol = config.maxCol || 80;
+    var minHelpCol = config.minHelpCol || 20;
+    var maxHelpCol = config.maxHelpCol || 40;
+
+    var lines = [];
+    var maxWidth = 0;
+    this.options.forEach(function (o) {
+        if (o.hidden) {
+            return;
+        }
+        if (o.group !== undefined && o.group !== null) {
+            // We deal with groups in the next pass
+            lines.push(null);
+            return;
+        }
+        var type = optionTypes[o.type];
+        var arg = o.helpArg || type.helpArg || 'ARG';
+        var line = '';
+        var names = o.names.slice();
+        if (nameSort === 'length') {
+            names.sort(function (a, b) {
+                if (a.length < b.length)
+                    return -1;
+                else if (b.length < a.length)
+                    return 1;
+                else
+                    return 0;
+            })
+        }
+        names.forEach(function (name, i) {
+            if (i > 0)
+                line += ', ';
+            if (name.length === 1) {
+                line += '-' + name
+                if (type.takesArg)
+                    line += ' ' + arg;
+            } else {
+                line += '--' + name
+                if (type.takesArg)
+                    line += '=' + arg;
+            }
+        });
+        maxWidth = Math.max(maxWidth, line.length);
+        lines.push(line);
+    });
+
+    // Add help strings.
+    var helpCol = config.helpCol;
+    if (!helpCol) {
+        helpCol = maxWidth + indent.length + 2;
+        helpCol = Math.min(Math.max(helpCol, minHelpCol), maxHelpCol);
+    }
+    var i = -1;
+    this.options.forEach(function (o) {
+        if (o.hidden) {
+            return;
+        }
+        i++;
+
+        if (o.group !== undefined && o.group !== null) {
+            if (o.group === '') {
+                // Support a empty string "group" to have a blank line between
+                // sets of options.
+                lines[i] = '';
+            } else {
+                // Render the group heading with the heading-specific indent.
+                lines[i] = (i === 0 ? '' : '\n') + headingIndent +
+                    o.group + ':';
+            }
+            return;
+        }
+
+        var helpDefault;
+        if (config.includeDefault) {
+            if (o.default !== undefined) {
+                helpDefault = format('Default: %j', o.default);
+            } else if (o.type && optionTypes[o.type].default !== undefined) {
+                helpDefault = format('Default: %j',
+                    optionTypes[o.type].default);
+            }
+        }
+
+        var line = lines[i] = indent + lines[i];
+        if (!o.help && !(config.includeEnv && o.env) && !helpDefault) {
+            return;
+        }
+        var n = helpCol - line.length;
+        if (n >= 0) {
+            line += space(n);
+        } else {
+            line += '\n' + space(helpCol);
+        }
+
+        var helpEnv = '';
+        if (o.env && o.env.length && config.includeEnv) {
+            helpEnv += 'Environment: ';
+            var type = optionTypes[o.type];
+            var arg = o.helpArg || type.helpArg || 'ARG';
+            var envs = (Array.isArray(o.env) ? o.env : [o.env]).map(
+                function (e) {
+                    if (type.takesArg) {
+                        return e + '=' + arg;
+                    } else {
+                        return e + '=1';
+                    }
+                }
+            );
+            helpEnv += envs.join(', ');
+        }
+        var help = (o.help || '').trim();
+        if (o.helpWrap !== false && config.helpWrap !== false) {
+            // Wrap help description normally.
+            if (help.length && !~'.!?"\''.indexOf(help.slice(-1))) {
+                help += '.';
+            }
+            if (help.length) {
+                help += ' ';
+            }
+            help += helpEnv;
+            if (helpDefault) {
+                if (helpEnv) {
+                    help += '. ';
+                }
+                help += helpDefault;
+            }
+            line += textwrap(help, maxCol - helpCol).join(
+                '\n' + space(helpCol));
+        } else {
+            // Do not wrap help description, but indent newlines appropriately.
+            var helpLines = help.split('\n').filter(
+                    function (ln) { return ln.length });
+            if (helpEnv !== '') {
+                helpLines.push(helpEnv);
+            }
+            if (helpDefault) {
+                helpLines.push(helpDefault);
+            }
+            line += helpLines.join('\n' + space(helpCol));
+        }
+
+        lines[i] = line;
+    });
+
+    var rv = '';
+    if (lines.length > 0) {
+        rv = lines.join('\n') + '\n';
+    }
+    return rv;
+};
+
+
+/**
+ * Return a string suitable for a Bash completion file for this tool.
+ *
+ * @param args.name {String} The tool name.
+ * @param args.specExtra {String} Optional. Extra Bash code content to add
+ *      to the end of the "spec". Typically this is used to append Bash
+ *      "complete_TYPE" functions for custom option types. See
+ *      "examples/ddcompletion.js" for an example.
+ * @param args.argtypes {Array} Optional. Array of completion types for
+ *      positional args (i.e. non-options). E.g.
+ *          argtypes = ['fruit', 'veggie', 'file']
+ *      will result in completion of fruits for the first arg, veggies for the
+ *      second, and filenames for the third and subsequent positional args.
+ *      If not given, positional args will use Bash's 'default' completion.
+ *      See `specExtra` for providing Bash `complete_TYPE` functions, e.g.
+ *      `complete_fruit` and `complete_veggie` in this example.
+ */
+Parser.prototype.bashCompletion = function bashCompletion(args) {
+    assert.object(args, 'args');
+    assert.string(args.name, 'args.name');
+    assert.optionalString(args.specExtra, 'args.specExtra');
+    assert.optionalArrayOfString(args.argtypes, 'args.argtypes');
+
+    return bashCompletionFromOptions({
+        name: args.name,
+        specExtra: args.specExtra,
+        argtypes: args.argtypes,
+        options: this.options
+    });
+};
+
+
+// ---- Bash completion
+
+const BASH_COMPLETION_TEMPLATE_PATH = path.join(
+    __dirname, '../etc/dashdash.bash_completion.in');
+
+/**
+ * Return the Bash completion "spec" (the string value for the "{{spec}}"
+ * var in the "dashdash.bash_completion.in" template) for this tool.
+ *
+ * The "spec" is Bash code that defines the CLI options and subcmds for
+ * the template's completion code. It looks something like this:
+ *
+ *      local cmd_shortopts="-J ..."
+ *      local cmd_longopts="--help ..."
+ *      local cmd_optargs="-p=tritonprofile ..."
+ *
+ * @param args.options {Array} The array of dashdash option specs.
+ * @param args.context {String} Optional. A context string for the "local cmd*"
+ *      vars in the spec. By default it is the empty string. When used to
+ *      scope for completion on a *sub-command* (e.g. for "git log" on a "git"
+ *      tool), then it would have a value (e.g. "__log"). See
+ *      <http://github.com/trentm/node-cmdln> Bash completion for details.
+ * @param opts.includeHidden {Boolean} Optional. Default false. By default
+ *      hidden options and subcmds are "excluded". Here excluded means they
+ *      won't be offered as a completion, but if used, their argument type
+ *      will be completed. "Hidden" options and subcmds are ones with the
+ *      `hidden: true` attribute to exclude them from default help output.
+ * @param args.argtypes {Array} Optional. Array of completion types for
+ *      positional args (i.e. non-options). E.g.
+ *          argtypes = ['fruit', 'veggie', 'file']
+ *      will result in completion of fruits for the first arg, veggies for the
+ *      second, and filenames for the third and subsequent positional args.
+ *      If not given, positional args will use Bash's 'default' completion.
+ *      See `specExtra` for providing Bash `complete_TYPE` functions, e.g.
+ *      `complete_fruit` and `complete_veggie` in this example.
+ */
+function bashCompletionSpecFromOptions(args) {
+    assert.object(args, 'args');
+    assert.object(args.options, 'args.options');
+    assert.optionalString(args.context, 'args.context');
+    assert.optionalBool(args.includeHidden, 'args.includeHidden');
+    assert.optionalArrayOfString(args.argtypes, 'args.argtypes');
+
+    var context = args.context || '';
+    var includeHidden = (args.includeHidden === undefined
+        ? false : args.includeHidden);
+
+    var spec = [];
+    var shortopts = [];
+    var longopts = [];
+    var optargs = [];
+    (args.options || []).forEach(function (o) {
+        if (o.group !== undefined && o.group !== null) {
+            // Skip group headers.
+            return;
+        }
+
+        var optNames = o.names || [o.name];
+        var optType = getOptionType(o.type);
+        if (optType.takesArg) {
+            var completionType = o.completionType ||
+                optType.completionType || o.type;
+            optNames.forEach(function (optName) {
+                if (optName.length === 1) {
+                    if (includeHidden || !o.hidden) {
+                        shortopts.push('-' + optName);
+                    }
+                    // Include even hidden options in `optargs` so that bash
+                    // completion of its arg still works.
+                    optargs.push('-' + optName + '=' + completionType);
+                } else {
+                    if (includeHidden || !o.hidden) {
+                        longopts.push('--' + optName);
+                    }
+                    optargs.push('--' + optName + '=' + completionType);
+                }
+            });
+        } else {
+            optNames.forEach(function (optName) {
+                if (includeHidden || !o.hidden) {
+                    if (optName.length === 1) {
+                        shortopts.push('-' + optName);
+                    } else {
+                        longopts.push('--' + optName);
+                    }
+                }
+            });
+        }
+    });
+
+    spec.push(format('local cmd%s_shortopts="%s"',
+        context, shortopts.sort().join(' ')));
+    spec.push(format('local cmd%s_longopts="%s"',
+        context, longopts.sort().join(' ')));
+    spec.push(format('local cmd%s_optargs="%s"',
+        context, optargs.sort().join(' ')));
+    if (args.argtypes) {
+        spec.push(format('local cmd%s_argtypes="%s"',
+            context, args.argtypes.join(' ')));
+    }
+    return spec.join('\n');
+}
+
+
+/**
+ * Return a string suitable for a Bash completion file for this tool.
+ *
+ * @param args.name {String} The tool name.
+ * @param args.options {Array} The array of dashdash option specs.
+ * @param args.specExtra {String} Optional. Extra Bash code content to add
+ *      to the end of the "spec". Typically this is used to append Bash
+ *      "complete_TYPE" functions for custom option types. See
+ *      "examples/ddcompletion.js" for an example.
+ * @param args.argtypes {Array} Optional. Array of completion types for
+ *      positional args (i.e. non-options). E.g.
+ *          argtypes = ['fruit', 'veggie', 'file']
+ *      will result in completion of fruits for the first arg, veggies for the
+ *      second, and filenames for the third and subsequent positional args.
+ *      If not given, positional args will use Bash's 'default' completion.
+ *      See `specExtra` for providing Bash `complete_TYPE` functions, e.g.
+ *      `complete_fruit` and `complete_veggie` in this example.
+ */
+function bashCompletionFromOptions(args) {
+    assert.object(args, 'args');
+    assert.object(args.options, 'args.options');
+    assert.string(args.name, 'args.name');
+    assert.optionalString(args.specExtra, 'args.specExtra');
+    assert.optionalArrayOfString(args.argtypes, 'args.argtypes');
+
+    // Gather template data.
+    var data = {
+        name: args.name,
+        date: new Date(),
+        spec: bashCompletionSpecFromOptions({
+            options: args.options,
+            argtypes: args.argtypes
+        }),
+    };
+    if (args.specExtra) {
+        data.spec += '\n\n' + args.specExtra;
+    }
+
+    // Render template.
+    var template = fs.readFileSync(BASH_COMPLETION_TEMPLATE_PATH, 'utf8');
+    return renderTemplate(template, data);
+}
+
+
+
+// ---- exports
+
+function createParser(config) {
+    return new Parser(config);
+}
+
+/**
+ * Parse argv with the given options.
+ *
+ * @param config {Object} A merge of all the available fields from
+ *      `dashdash.Parser` and `dashdash.Parser.parse`: options, interspersed,
+ *      argv, env, slice.
+ */
+function parse(config) {
+    assert.object(config, 'config');
+    assert.optionalArrayOfString(config.argv, 'config.argv');
+    assert.optionalObject(config.env, 'config.env');
+    var config = shallowCopy(config);
+    var argv = config.argv;
+    delete config.argv;
+    var env = config.env;
+    delete config.env;
+
+    var parser = new Parser(config);
+    return parser.parse({argv: argv, env: env});
+}
+
+
+/**
+ * Add a new option type.
+ *
+ * @params optionType {Object}:
+ *      - name {String} Required.
+ *      - takesArg {Boolean} Required. Whether this type of option takes an
+ *        argument on process.argv. Typically this is true for all but the
+ *        "bool" type.
+ *      - helpArg {String} Required iff `takesArg === true`. The string to
+ *        show in generated help for options of this type.
+ *      - parseArg {Function} Require. `function (option, optstr, arg)` parser
+ *        that takes a string argument and returns an instance of the
+ *        appropriate type, or throws an error if the arg is invalid.
+ *      - array {Boolean} Optional. Set to true if this is an 'arrayOf' type
+ *        that collects multiple usages of the option in process.argv and
+ *        puts results in an array.
+ *      - arrayFlatten {Boolean} Optional. XXX
+ *      - default Optional. Default value for options of this type, if no
+ *        default is specified in the option type usage.
+ */
+function addOptionType(optionType) {
+    assert.object(optionType, 'optionType');
+    assert.string(optionType.name, 'optionType.name');
+    assert.bool(optionType.takesArg, 'optionType.takesArg');
+    if (optionType.takesArg) {
+        assert.string(optionType.helpArg, 'optionType.helpArg');
+    }
+    assert.func(optionType.parseArg, 'optionType.parseArg');
+    assert.optionalBool(optionType.array, 'optionType.array');
+    assert.optionalBool(optionType.arrayFlatten, 'optionType.arrayFlatten');
+
+    optionTypes[optionType.name] = {
+        takesArg: optionType.takesArg,
+        helpArg: optionType.helpArg,
+        parseArg: optionType.parseArg,
+        array: optionType.array,
+        arrayFlatten: optionType.arrayFlatten,
+        default: optionType.default
+    }
+}
+
+
+function getOptionType(name) {
+    assert.string(name, 'name');
+    return optionTypes[name];
+}
+
+
+/**
+ * Return a synopsis string for the given option spec.
+ *
+ * Examples:
+ *      > synopsisFromOpt({names: ['help', 'h'], type: 'bool'});
+ *      '[ --help | -h ]'
+ *      > synopsisFromOpt({name: 'file', type: 'string', helpArg: 'FILE'});
+ *      '[ --file=FILE ]'
+ */
+function synopsisFromOpt(o) {
+    assert.object(o, 'o');
+
+    if (o.hasOwnProperty('group')) {
+        return null;
+    }
+    var names = o.names || [o.name];
+    // `type` here could be undefined if, for example, the command has a
+    // dashdash option spec with a bogus 'type'.
+    var type = getOptionType(o.type);
+    var helpArg = o.helpArg || (type && type.helpArg) || 'ARG';
+    var parts = [];
+    names.forEach(function (name) {
+        var part = (name.length === 1 ? '-' : '--') + name;
+        if (type && type.takesArg) {
+            part += (name.length === 1 ? ' ' + helpArg : '=' + helpArg);
+        }
+        parts.push(part);
+    });
+    return ('[ ' + parts.join(' | ') + ' ]');
+};
+
+
+module.exports = {
+    createParser: createParser,
+    Parser: Parser,
+    parse: parse,
+    addOptionType: addOptionType,
+    getOptionType: getOptionType,
+    synopsisFromOpt: synopsisFromOpt,
+
+    // Bash completion-related exports
+    BASH_COMPLETION_TEMPLATE_PATH: BASH_COMPLETION_TEMPLATE_PATH,
+    bashCompletionFromOptions: bashCompletionFromOptions,
+    bashCompletionSpecFromOptions: bashCompletionSpecFromOptions,
+
+    // Export the parseFoo parsers because they might be useful as primitives
+    // for custom option types.
+    parseBool: parseBool,
+    parseString: parseString,
+    parseNumber: parseNumber,
+    parseInteger: parseInteger,
+    parsePositiveInteger: parsePositiveInteger,
+    parseDate: parseDate
+};
diff --git a/node_modules/dashdash/package.json b/node_modules/dashdash/package.json
new file mode 100644
index 000000000..a11e1f583
--- /dev/null
+++ b/node_modules/dashdash/package.json
@@ -0,0 +1,26 @@
+{
+    "name": "dashdash",
+    "description": "A light, featureful and explicit option parsing library.",
+    "version": "1.14.1",
+    "author": "Trent Mick <trentm@gmail.com> (http://trentm.com)",
+    "keywords": ["option", "parser", "parsing", "cli", "command", "args",
+        "bash", "completion"],
+    "repository": {
+        "type": "git",
+        "url": "git://github.com/trentm/node-dashdash.git"
+    },
+    "main": "./lib/dashdash.js",
+    "dependencies": {
+        "assert-plus": "^1.0.0"
+    },
+    "devDependencies": {
+        "nodeunit": "0.9.x"
+    },
+    "engines": {
+        "node": ">=0.10"
+    },
+    "scripts": {
+        "test": "nodeunit test/*.test.js"
+    },
+    "license": "MIT"
+}
diff --git a/node_modules/debug/.coveralls.yml b/node_modules/debug/.coveralls.yml
new file mode 100644
index 000000000..20a706858
--- /dev/null
+++ b/node_modules/debug/.coveralls.yml
@@ -0,0 +1 @@
+repo_token: SIAeZjKYlHK74rbcFvNHMUzjRiMpflxve
diff --git a/node_modules/debug/.eslintrc b/node_modules/debug/.eslintrc
new file mode 100644
index 000000000..8a37ae2c2
--- /dev/null
+++ b/node_modules/debug/.eslintrc
@@ -0,0 +1,11 @@
+{
+  "env": {
+    "browser": true,
+    "node": true
+  },
+  "rules": {
+    "no-console": 0,
+    "no-empty": [1, { "allowEmptyCatch": true }]
+  },
+  "extends": "eslint:recommended"
+}
diff --git a/node_modules/debug/.npmignore b/node_modules/debug/.npmignore
new file mode 100644
index 000000000..5f60eecc8
--- /dev/null
+++ b/node_modules/debug/.npmignore
@@ -0,0 +1,9 @@
+support
+test
+examples
+example
+*.sock
+dist
+yarn.lock
+coverage
+bower.json
diff --git a/node_modules/debug/.travis.yml b/node_modules/debug/.travis.yml
new file mode 100644
index 000000000..6c6090c3b
--- /dev/null
+++ b/node_modules/debug/.travis.yml
@@ -0,0 +1,14 @@
+
+language: node_js
+node_js:
+  - "6"
+  - "5"
+  - "4"
+
+install:
+  - make node_modules
+
+script:
+  - make lint
+  - make test
+  - make coveralls
diff --git a/node_modules/debug/CHANGELOG.md b/node_modules/debug/CHANGELOG.md
new file mode 100644
index 000000000..eadaa1895
--- /dev/null
+++ b/node_modules/debug/CHANGELOG.md
@@ -0,0 +1,362 @@
+
+2.6.9 / 2017-09-22
+==================
+
+  * remove ReDoS regexp in %o formatter (#504)
+
+2.6.8 / 2017-05-18
+==================
+
+  * Fix: Check for undefined on browser globals (#462, @marbemac)
+
+2.6.7 / 2017-05-16
+==================
+
+  * Fix: Update ms to 2.0.0 to fix regular expression denial of service vulnerability (#458, @hubdotcom)
+  * Fix: Inline extend function in node implementation (#452, @dougwilson)
+  * Docs: Fix typo (#455, @msasad)
+
+2.6.5 / 2017-04-27
+==================
+  
+  * Fix: null reference check on window.documentElement.style.WebkitAppearance (#447, @thebigredgeek)
+  * Misc: clean up browser reference checks (#447, @thebigredgeek)
+  * Misc: add npm-debug.log to .gitignore (@thebigredgeek)
+
+
+2.6.4 / 2017-04-20
+==================
+
+  * Fix: bug that would occure if process.env.DEBUG is a non-string value. (#444, @LucianBuzzo)
+  * Chore: ignore bower.json in npm installations. (#437, @joaovieira)
+  * Misc: update "ms" to v0.7.3 (@tootallnate)
+
+2.6.3 / 2017-03-13
+==================
+
+  * Fix: Electron reference to `process.env.DEBUG` (#431, @paulcbetts)
+  * Docs: Changelog fix (@thebigredgeek)
+
+2.6.2 / 2017-03-10
+==================
+
+  * Fix: DEBUG_MAX_ARRAY_LENGTH (#420, @slavaGanzin)
+  * Docs: Add backers and sponsors from Open Collective (#422, @piamancini)
+  * Docs: Add Slackin invite badge (@tootallnate)
+
+2.6.1 / 2017-02-10
+==================
+
+  * Fix: Module's `export default` syntax fix for IE8 `Expected identifier` error
+  * Fix: Whitelist DEBUG_FD for values 1 and 2 only (#415, @pi0)
+  * Fix: IE8 "Expected identifier" error (#414, @vgoma)
+  * Fix: Namespaces would not disable once enabled (#409, @musikov)
+
+2.6.0 / 2016-12-28
+==================
+
+  * Fix: added better null pointer checks for browser useColors (@thebigredgeek)
+  * Improvement: removed explicit `window.debug` export (#404, @tootallnate)
+  * Improvement: deprecated `DEBUG_FD` environment variable (#405, @tootallnate)
+
+2.5.2 / 2016-12-25
+==================
+
+  * Fix: reference error on window within webworkers (#393, @KlausTrainer)
+  * Docs: fixed README typo (#391, @lurch)
+  * Docs: added notice about v3 api discussion (@thebigredgeek)
+
+2.5.1 / 2016-12-20
+==================
+
+  * Fix: babel-core compatibility
+
+2.5.0 / 2016-12-20
+==================
+
+  * Fix: wrong reference in bower file (@thebigredgeek)
+  * Fix: webworker compatibility (@thebigredgeek)
+  * Fix: output formatting issue (#388, @kribblo)
+  * Fix: babel-loader compatibility (#383, @escwald)
+  * Misc: removed built asset from repo and publications (@thebigredgeek)
+  * Misc: moved source files to /src (#378, @yamikuronue)
+  * Test: added karma integration and replaced babel with browserify for browser tests (#378, @yamikuronue)
+  * Test: coveralls integration (#378, @yamikuronue)
+  * Docs: simplified language in the opening paragraph (#373, @yamikuronue)
+
+2.4.5 / 2016-12-17
+==================
+
+  * Fix: `navigator` undefined in Rhino (#376, @jochenberger)
+  * Fix: custom log function (#379, @hsiliev)
+  * Improvement: bit of cleanup + linting fixes (@thebigredgeek)
+  * Improvement: rm non-maintainted `dist/` dir (#375, @freewil)
+  * Docs: simplified language in the opening paragraph. (#373, @yamikuronue)
+
+2.4.4 / 2016-12-14
+==================
+
+  * Fix: work around debug being loaded in preload scripts for electron (#368, @paulcbetts)
+
+2.4.3 / 2016-12-14
+==================
+
+  * Fix: navigation.userAgent error for react native (#364, @escwald)
+
+2.4.2 / 2016-12-14
+==================
+
+  * Fix: browser colors (#367, @tootallnate)
+  * Misc: travis ci integration (@thebigredgeek)
+  * Misc: added linting and testing boilerplate with sanity check (@thebigredgeek)
+
+2.4.1 / 2016-12-13
+==================
+
+  * Fix: typo that broke the package (#356)
+
+2.4.0 / 2016-12-13
+==================
+
+  * Fix: bower.json references unbuilt src entry point (#342, @justmatt)
+  * Fix: revert "handle regex special characters" (@tootallnate)
+  * Feature: configurable util.inspect()`options for NodeJS (#327, @tootallnate)
+  * Feature: %O`(big O) pretty-prints objects (#322, @tootallnate)
+  * Improvement: allow colors in workers (#335, @botverse)
+  * Improvement: use same color for same namespace. (#338, @lchenay)
+
+2.3.3 / 2016-11-09
+==================
+
+  * Fix: Catch `JSON.stringify()` errors (#195, Jovan Alleyne)
+  * Fix: Returning `localStorage` saved values (#331, Levi Thomason)
+  * Improvement: Don't create an empty object when no `process` (Nathan Rajlich)
+
+2.3.2 / 2016-11-09
+==================
+
+  * Fix: be super-safe in index.js as well (@TooTallNate)
+  * Fix: should check whether process exists (Tom Newby)
+
+2.3.1 / 2016-11-09
+==================
+
+  * Fix: Added electron compatibility (#324, @paulcbetts)
+  * Improvement: Added performance optimizations (@tootallnate)
+  * Readme: Corrected PowerShell environment variable example (#252, @gimre)
+  * Misc: Removed yarn lock file from source control (#321, @fengmk2)
+
+2.3.0 / 2016-11-07
+==================
+
+  * Fix: Consistent placement of ms diff at end of output (#215, @gorangajic)
+  * Fix: Escaping of regex special characters in namespace strings (#250, @zacronos)
+  * Fix: Fixed bug causing crash on react-native (#282, @vkarpov15)
+  * Feature: Enabled ES6+ compatible import via default export (#212 @bucaran)
+  * Feature: Added %O formatter to reflect Chrome's console.log capability (#279, @oncletom)
+  * Package: Update "ms" to 0.7.2 (#315, @DevSide)
+  * Package: removed superfluous version property from bower.json (#207 @kkirsche)
+  * Readme: fix USE_COLORS to DEBUG_COLORS
+  * Readme: Doc fixes for format string sugar (#269, @mlucool)
+  * Readme: Updated docs for DEBUG_FD and DEBUG_COLORS environment variables (#232, @mattlyons0)
+  * Readme: doc fixes for PowerShell (#271 #243, @exoticknight @unreadable)
+  * Readme: better docs for browser support (#224, @matthewmueller)
+  * Tooling: Added yarn integration for development (#317, @thebigredgeek)
+  * Misc: Renamed History.md to CHANGELOG.md (@thebigredgeek)
+  * Misc: Added license file (#226 #274, @CantemoInternal @sdaitzman)
+  * Misc: Updated contributors (@thebigredgeek)
+
+2.2.0 / 2015-05-09
+==================
+
+  * package: update "ms" to v0.7.1 (#202, @dougwilson)
+  * README: add logging to file example (#193, @DanielOchoa)
+  * README: fixed a typo (#191, @amir-s)
+  * browser: expose `storage` (#190, @stephenmathieson)
+  * Makefile: add a `distclean` target (#189, @stephenmathieson)
+
+2.1.3 / 2015-03-13
+==================
+
+  * Updated stdout/stderr example (#186)
+  * Updated example/stdout.js to match debug current behaviour
+  * Renamed example/stderr.js to stdout.js
+  * Update Readme.md (#184)
+  * replace high intensity foreground color for bold (#182, #183)
+
+2.1.2 / 2015-03-01
+==================
+
+  * dist: recompile
+  * update "ms" to v0.7.0
+  * package: update "browserify" to v9.0.3
+  * component: fix "ms.js" repo location
+  * changed bower package name
+  * updated documentation about using debug in a browser
+  * fix: security error on safari (#167, #168, @yields)
+
+2.1.1 / 2014-12-29
+==================
+
+  * browser: use `typeof` to check for `console` existence
+  * browser: check for `console.log` truthiness (fix IE 8/9)
+  * browser: add support for Chrome apps
+  * Readme: added Windows usage remarks
+  * Add `bower.json` to properly support bower install
+
+2.1.0 / 2014-10-15
+==================
+
+  * node: implement `DEBUG_FD` env variable support
+  * package: update "browserify" to v6.1.0
+  * package: add "license" field to package.json (#135, @panuhorsmalahti)
+
+2.0.0 / 2014-09-01
+==================
+
+  * package: update "browserify" to v5.11.0
+  * node: use stderr rather than stdout for logging (#29, @stephenmathieson)
+
+1.0.4 / 2014-07-15
+==================
+
+  * dist: recompile
+  * example: remove `console.info()` log usage
+  * example: add "Content-Type" UTF-8 header to browser example
+  * browser: place %c marker after the space character
+  * browser: reset the "content" color via `color: inherit`
+  * browser: add colors support for Firefox >= v31
+  * debug: prefer an instance `log()` function over the global one (#119)
+  * Readme: update documentation about styled console logs for FF v31 (#116, @wryk)
+
+1.0.3 / 2014-07-09
+==================
+
+  * Add support for multiple wildcards in namespaces (#122, @seegno)
+  * browser: fix lint
+
+1.0.2 / 2014-06-10
+==================
+
+  * browser: update color palette (#113, @gscottolson)
+  * common: make console logging function configurable (#108, @timoxley)
+  * node: fix %o colors on old node <= 0.8.x
+  * Makefile: find node path using shell/which (#109, @timoxley)
+
+1.0.1 / 2014-06-06
+==================
+
+  * browser: use `removeItem()` to clear localStorage
+  * browser, node: don't set DEBUG if namespaces is undefined (#107, @leedm777)
+  * package: add "contributors" section
+  * node: fix comment typo
+  * README: list authors
+
+1.0.0 / 2014-06-04
+==================
+
+  * make ms diff be global, not be scope
+  * debug: ignore empty strings in enable()
+  * node: make DEBUG_COLORS able to disable coloring
+  * *: export the `colors` array
+  * npmignore: don't publish the `dist` dir
+  * Makefile: refactor to use browserify
+  * package: add "browserify" as a dev dependency
+  * Readme: add Web Inspector Colors section
+  * node: reset terminal color for the debug content
+  * node: map "%o" to `util.inspect()`
+  * browser: map "%j" to `JSON.stringify()`
+  * debug: add custom "formatters"
+  * debug: use "ms" module for humanizing the diff
+  * Readme: add "bash" syntax highlighting
+  * browser: add Firebug color support
+  * browser: add colors for WebKit browsers
+  * node: apply log to `console`
+  * rewrite: abstract common logic for Node & browsers
+  * add .jshintrc file
+
+0.8.1 / 2014-04-14
+==================
+
+  * package: re-add the "component" section
+
+0.8.0 / 2014-03-30
+==================
+
+  * add `enable()` method for nodejs. Closes #27
+  * change from stderr to stdout
+  * remove unnecessary index.js file
+
+0.7.4 / 2013-11-13
+==================
+
+  * remove "browserify" key from package.json (fixes something in browserify)
+
+0.7.3 / 2013-10-30
+==================
+
+  * fix: catch localStorage security error when cookies are blocked (Chrome)
+  * add debug(err) support. Closes #46
+  * add .browser prop to package.json. Closes #42
+
+0.7.2 / 2013-02-06
+==================
+
+  * fix package.json
+  * fix: Mobile Safari (private mode) is broken with debug
+  * fix: Use unicode to send escape character to shell instead of octal to work with strict mode javascript
+
+0.7.1 / 2013-02-05
+==================
+
+  * add repository URL to package.json
+  * add DEBUG_COLORED to force colored output
+  * add browserify support
+  * fix component. Closes #24
+
+0.7.0 / 2012-05-04
+==================
+
+  * Added .component to package.json
+  * Added debug.component.js build
+
+0.6.0 / 2012-03-16
+==================
+
+  * Added support for "-" prefix in DEBUG [Vinay Pulim]
+  * Added `.enabled` flag to the node version [TooTallNate]
+
+0.5.0 / 2012-02-02
+==================
+
+  * Added: humanize diffs. Closes #8
+  * Added `debug.disable()` to the CS variant
+  * Removed padding. Closes #10
+  * Fixed: persist client-side variant again. Closes #9
+
+0.4.0 / 2012-02-01
+==================
+
+  * Added browser variant support for older browsers [TooTallNate]
+  * Added `debug.enable('project:*')` to browser variant [TooTallNate]
+  * Added padding to diff (moved it to the right)
+
+0.3.0 / 2012-01-26
+==================
+
+  * Added millisecond diff when isatty, otherwise UTC string
+
+0.2.0 / 2012-01-22
+==================
+
+  * Added wildcard support
+
+0.1.0 / 2011-12-02
+==================
+
+  * Added: remove colors unless stderr isatty [TooTallNate]
+
+0.0.1 / 2010-01-03
+==================
+
+  * Initial release
diff --git a/node_modules/debug/LICENSE b/node_modules/debug/LICENSE
new file mode 100644
index 000000000..658c933d2
--- /dev/null
+++ b/node_modules/debug/LICENSE
@@ -0,0 +1,19 @@
+(The MIT License)
+
+Copyright (c) 2014 TJ Holowaychuk <tj@vision-media.ca>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+and associated documentation files (the 'Software'), to deal in the Software without restriction, 
+including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial 
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 
+LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/node_modules/debug/Makefile b/node_modules/debug/Makefile
new file mode 100644
index 000000000..584da8bf9
--- /dev/null
+++ b/node_modules/debug/Makefile
@@ -0,0 +1,50 @@
+# get Makefile directory name: http://stackoverflow.com/a/5982798/376773
+THIS_MAKEFILE_PATH:=$(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
+THIS_DIR:=$(shell cd $(dir $(THIS_MAKEFILE_PATH));pwd)
+
+# BIN directory
+BIN := $(THIS_DIR)/node_modules/.bin
+
+# Path
+PATH := node_modules/.bin:$(PATH)
+SHELL := /bin/bash
+
+# applications
+NODE ?= $(shell which node)
+YARN ?= $(shell which yarn)
+PKG ?= $(if $(YARN),$(YARN),$(NODE) $(shell which npm))
+BROWSERIFY ?= $(NODE) $(BIN)/browserify
+
+.FORCE:
+
+install: node_modules
+
+node_modules: package.json
+	@NODE_ENV= $(PKG) install
+	@touch node_modules
+
+lint: .FORCE
+	eslint browser.js debug.js index.js node.js
+
+test-node: .FORCE
+	istanbul cover node_modules/mocha/bin/_mocha -- test/**.js
+
+test-browser: .FORCE
+	mkdir -p dist
+
+	@$(BROWSERIFY) \
+		--standalone debug \
+		. > dist/debug.js
+
+	karma start --single-run
+	rimraf dist
+
+test: .FORCE
+	concurrently \
+		"make test-node" \
+		"make test-browser"
+
+coveralls:
+	cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
+
+.PHONY: all install clean distclean
diff --git a/node_modules/debug/README.md b/node_modules/debug/README.md
new file mode 100644
index 000000000..f67be6b31
--- /dev/null
+++ b/node_modules/debug/README.md
@@ -0,0 +1,312 @@
+# debug
+[![Build Status](https://travis-ci.org/visionmedia/debug.svg?branch=master)](https://travis-ci.org/visionmedia/debug)  [![Coverage Status](https://coveralls.io/repos/github/visionmedia/debug/badge.svg?branch=master)](https://coveralls.io/github/visionmedia/debug?branch=master)  [![Slack](https://visionmedia-community-slackin.now.sh/badge.svg)](https://visionmedia-community-slackin.now.sh/) [![OpenCollective](https://opencollective.com/debug/backers/badge.svg)](#backers) 
+[![OpenCollective](https://opencollective.com/debug/sponsors/badge.svg)](#sponsors)
+
+
+
+A tiny node.js debugging utility modelled after node core's debugging technique.
+
+**Discussion around the V3 API is under way [here](https://github.com/visionmedia/debug/issues/370)**
+
+## Installation
+
+```bash
+$ npm install debug
+```
+
+## Usage
+
+`debug` exposes a function; simply pass this function the name of your module, and it will return a decorated version of `console.error` for you to pass debug statements to. This will allow you to toggle the debug output for different parts of your module as well as the module as a whole.
+
+Example _app.js_:
+
+```js
+var debug = require('debug')('http')
+  , http = require('http')
+  , name = 'My App';
+
+// fake app
+
+debug('booting %s', name);
+
+http.createServer(function(req, res){
+  debug(req.method + ' ' + req.url);
+  res.end('hello\n');
+}).listen(3000, function(){
+  debug('listening');
+});
+
+// fake worker of some kind
+
+require('./worker');
+```
+
+Example _worker.js_:
+
+```js
+var debug = require('debug')('worker');
+
+setInterval(function(){
+  debug('doing some work');
+}, 1000);
+```
+
+ The __DEBUG__ environment variable is then used to enable these based on space or comma-delimited names. Here are some examples:
+
+  ![debug http and worker](http://f.cl.ly/items/18471z1H402O24072r1J/Screenshot.png)
+
+  ![debug worker](http://f.cl.ly/items/1X413v1a3M0d3C2c1E0i/Screenshot.png)
+
+#### Windows note
+
+ On Windows the environment variable is set using the `set` command.
+
+ ```cmd
+ set DEBUG=*,-not_this
+ ```
+
+ Note that PowerShell uses different syntax to set environment variables.
+
+ ```cmd
+ $env:DEBUG = "*,-not_this"
+  ```
+
+Then, run the program to be debugged as usual.
+
+## Millisecond diff
+
+  When actively developing an application it can be useful to see when the time spent between one `debug()` call and the next. Suppose for example you invoke `debug()` before requesting a resource, and after as well, the "+NNNms" will show you how much time was spent between calls.
+
+  ![](http://f.cl.ly/items/2i3h1d3t121M2Z1A3Q0N/Screenshot.png)
+
+  When stdout is not a TTY, `Date#toUTCString()` is used, making it more useful for logging the debug information as shown below:
+
+  ![](http://f.cl.ly/items/112H3i0e0o0P0a2Q2r11/Screenshot.png)
+
+## Conventions
+
+  If you're using this in one or more of your libraries, you _should_ use the name of your library so that developers may toggle debugging as desired without guessing names. If you have more than one debuggers you _should_ prefix them with your library name and use ":" to separate features. For example "bodyParser" from Connect would then be "connect:bodyParser".
+
+## Wildcards
+
+  The `*` character may be used as a wildcard. Suppose for example your library has debuggers named "connect:bodyParser", "connect:compress", "connect:session", instead of listing all three with `DEBUG=connect:bodyParser,connect:compress,connect:session`, you may simply do `DEBUG=connect:*`, or to run everything using this module simply use `DEBUG=*`.
+
+  You can also exclude specific debuggers by prefixing them with a "-" character.  For example, `DEBUG=*,-connect:*` would include all debuggers except those starting with "connect:".
+
+## Environment Variables
+
+  When running through Node.js, you can set a few environment variables that will
+  change the behavior of the debug logging:
+
+| Name      | Purpose                                         |
+|-----------|-------------------------------------------------|
+| `DEBUG`   | Enables/disables specific debugging namespaces. |
+| `DEBUG_COLORS`| Whether or not to use colors in the debug output. |
+| `DEBUG_DEPTH` | Object inspection depth. |
+| `DEBUG_SHOW_HIDDEN` | Shows hidden properties on inspected objects. |
+
+
+  __Note:__ The environment variables beginning with `DEBUG_` end up being
+  converted into an Options object that gets used with `%o`/`%O` formatters.
+  See the Node.js documentation for
+  [`util.inspect()`](https://nodejs.org/api/util.html#util_util_inspect_object_options)
+  for the complete list.
+
+## Formatters
+
+
+  Debug uses [printf-style](https://wikipedia.org/wiki/Printf_format_string) formatting. Below are the officially supported formatters:
+
+| Formatter | Representation |
+|-----------|----------------|
+| `%O`      | Pretty-print an Object on multiple lines. |
+| `%o`      | Pretty-print an Object all on a single line. |
+| `%s`      | String. |
+| `%d`      | Number (both integer and float). |
+| `%j`      | JSON. Replaced with the string '[Circular]' if the argument contains circular references. |
+| `%%`      | Single percent sign ('%'). This does not consume an argument. |
+
+### Custom formatters
+
+  You can add custom formatters by extending the `debug.formatters` object. For example, if you wanted to add support for rendering a Buffer as hex with `%h`, you could do something like:
+
+```js
+const createDebug = require('debug')
+createDebug.formatters.h = (v) => {
+  return v.toString('hex')
+}
+
+// …elsewhere
+const debug = createDebug('foo')
+debug('this is hex: %h', new Buffer('hello world'))
+//   foo this is hex: 68656c6c6f20776f726c6421 +0ms
+```
+
+## Browser support
+  You can build a browser-ready script using [browserify](https://github.com/substack/node-browserify),
+  or just use the [browserify-as-a-service](https://wzrd.in/) [build](https://wzrd.in/standalone/debug@latest),
+  if you don't want to build it yourself.
+
+  Debug's enable state is currently persisted by `localStorage`.
+  Consider the situation shown below where you have `worker:a` and `worker:b`,
+  and wish to debug both. You can enable this using `localStorage.debug`:
+
+```js
+localStorage.debug = 'worker:*'
+```
+
+And then refresh the page.
+
+```js
+a = debug('worker:a');
+b = debug('worker:b');
+
+setInterval(function(){
+  a('doing some work');
+}, 1000);
+
+setInterval(function(){
+  b('doing some work');
+}, 1200);
+```
+
+#### Web Inspector Colors
+
+  Colors are also enabled on "Web Inspectors" that understand the `%c` formatting
+  option. These are WebKit web inspectors, Firefox ([since version
+  31](https://hacks.mozilla.org/2014/05/editable-box-model-multiple-selection-sublime-text-keys-much-more-firefox-developer-tools-episode-31/))
+  and the Firebug plugin for Firefox (any version).
+
+  Colored output looks something like:
+
+  ![](https://cloud.githubusercontent.com/assets/71256/3139768/b98c5fd8-e8ef-11e3-862a-f7253b6f47c6.png)
+
+
+## Output streams
+
+  By default `debug` will log to stderr, however this can be configured per-namespace by overriding the `log` method:
+
+Example _stdout.js_:
+
+```js
+var debug = require('debug');
+var error = debug('app:error');
+
+// by default stderr is used
+error('goes to stderr!');
+
+var log = debug('app:log');
+// set this namespace to log via console.log
+log.log = console.log.bind(console); // don't forget to bind to console!
+log('goes to stdout');
+error('still goes to stderr!');
+
+// set all output to go via console.info
+// overrides all per-namespace log settings
+debug.log = console.info.bind(console);
+error('now goes to stdout via console.info');
+log('still goes to stdout, but via console.info now');
+```
+
+
+## Authors
+
+ - TJ Holowaychuk
+ - Nathan Rajlich
+ - Andrew Rhyne
+ 
+## Backers
+
+Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/debug#backer)]
+
+<a href="https://opencollective.com/debug/backer/0/website" target="_blank"><img src="https://opencollective.com/debug/backer/0/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/1/website" target="_blank"><img src="https://opencollective.com/debug/backer/1/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/2/website" target="_blank"><img src="https://opencollective.com/debug/backer/2/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/3/website" target="_blank"><img src="https://opencollective.com/debug/backer/3/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/4/website" target="_blank"><img src="https://opencollective.com/debug/backer/4/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/5/website" target="_blank"><img src="https://opencollective.com/debug/backer/5/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/6/website" target="_blank"><img src="https://opencollective.com/debug/backer/6/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/7/website" target="_blank"><img src="https://opencollective.com/debug/backer/7/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/8/website" target="_blank"><img src="https://opencollective.com/debug/backer/8/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/9/website" target="_blank"><img src="https://opencollective.com/debug/backer/9/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/10/website" target="_blank"><img src="https://opencollective.com/debug/backer/10/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/11/website" target="_blank"><img src="https://opencollective.com/debug/backer/11/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/12/website" target="_blank"><img src="https://opencollective.com/debug/backer/12/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/13/website" target="_blank"><img src="https://opencollective.com/debug/backer/13/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/14/website" target="_blank"><img src="https://opencollective.com/debug/backer/14/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/15/website" target="_blank"><img src="https://opencollective.com/debug/backer/15/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/16/website" target="_blank"><img src="https://opencollective.com/debug/backer/16/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/17/website" target="_blank"><img src="https://opencollective.com/debug/backer/17/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/18/website" target="_blank"><img src="https://opencollective.com/debug/backer/18/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/19/website" target="_blank"><img src="https://opencollective.com/debug/backer/19/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/20/website" target="_blank"><img src="https://opencollective.com/debug/backer/20/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/21/website" target="_blank"><img src="https://opencollective.com/debug/backer/21/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/22/website" target="_blank"><img src="https://opencollective.com/debug/backer/22/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/23/website" target="_blank"><img src="https://opencollective.com/debug/backer/23/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/24/website" target="_blank"><img src="https://opencollective.com/debug/backer/24/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/25/website" target="_blank"><img src="https://opencollective.com/debug/backer/25/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/26/website" target="_blank"><img src="https://opencollective.com/debug/backer/26/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/27/website" target="_blank"><img src="https://opencollective.com/debug/backer/27/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/28/website" target="_blank"><img src="https://opencollective.com/debug/backer/28/avatar.svg"></a>
+<a href="https://opencollective.com/debug/backer/29/website" target="_blank"><img src="https://opencollective.com/debug/backer/29/avatar.svg"></a>
+
+
+## Sponsors
+
+Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/debug#sponsor)]
+
+<a href="https://opencollective.com/debug/sponsor/0/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/0/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/1/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/1/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/2/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/2/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/3/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/3/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/4/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/4/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/5/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/5/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/6/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/6/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/7/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/7/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/8/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/8/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/9/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/9/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/10/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/10/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/11/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/11/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/12/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/12/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/13/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/13/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/14/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/14/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/15/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/15/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/16/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/16/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/17/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/17/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/18/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/18/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/19/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/19/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/20/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/20/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/21/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/21/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/22/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/22/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/23/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/23/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/24/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/24/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/25/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/25/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/26/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/26/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/27/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/27/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/28/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/28/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/29/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/29/avatar.svg"></a>
+
+## License
+
+(The MIT License)
+
+Copyright (c) 2014-2016 TJ Holowaychuk &lt;tj@vision-media.ca&gt;
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/debug/component.json b/node_modules/debug/component.json
new file mode 100644
index 000000000..9de26410f
--- /dev/null
+++ b/node_modules/debug/component.json
@@ -0,0 +1,19 @@
+{
+  "name": "debug",
+  "repo": "visionmedia/debug",
+  "description": "small debugging utility",
+  "version": "2.6.9",
+  "keywords": [
+    "debug",
+    "log",
+    "debugger"
+  ],
+  "main": "src/browser.js",
+  "scripts": [
+    "src/browser.js",
+    "src/debug.js"
+  ],
+  "dependencies": {
+    "rauchg/ms.js": "0.7.1"
+  }
+}
diff --git a/node_modules/debug/karma.conf.js b/node_modules/debug/karma.conf.js
new file mode 100644
index 000000000..103a82d15
--- /dev/null
+++ b/node_modules/debug/karma.conf.js
@@ -0,0 +1,70 @@
+// Karma configuration
+// Generated on Fri Dec 16 2016 13:09:51 GMT+0000 (UTC)
+
+module.exports = function(config) {
+  config.set({
+
+    // base path that will be used to resolve all patterns (eg. files, exclude)
+    basePath: '',
+
+
+    // frameworks to use
+    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
+    frameworks: ['mocha', 'chai', 'sinon'],
+
+
+    // list of files / patterns to load in the browser
+    files: [
+      'dist/debug.js',
+      'test/*spec.js'
+    ],
+
+
+    // list of files to exclude
+    exclude: [
+      'src/node.js'
+    ],
+
+
+    // preprocess matching files before serving them to the browser
+    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
+    preprocessors: {
+    },
+
+    // test results reporter to use
+    // possible values: 'dots', 'progress'
+    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
+    reporters: ['progress'],
+
+
+    // web server port
+    port: 9876,
+
+
+    // enable / disable colors in the output (reporters and logs)
+    colors: true,
+
+
+    // level of logging
+    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
+    logLevel: config.LOG_INFO,
+
+
+    // enable / disable watching file and executing tests whenever any file changes
+    autoWatch: true,
+
+
+    // start these browsers
+    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
+    browsers: ['PhantomJS'],
+
+
+    // Continuous Integration mode
+    // if true, Karma captures browsers, runs the tests and exits
+    singleRun: false,
+
+    // Concurrency level
+    // how many browser should be started simultaneous
+    concurrency: Infinity
+  })
+}
diff --git a/node_modules/debug/node.js b/node_modules/debug/node.js
new file mode 100644
index 000000000..7fc36fe6d
--- /dev/null
+++ b/node_modules/debug/node.js
@@ -0,0 +1 @@
+module.exports = require('./src/node');
diff --git a/node_modules/debug/package.json b/node_modules/debug/package.json
new file mode 100644
index 000000000..dc787ba76
--- /dev/null
+++ b/node_modules/debug/package.json
@@ -0,0 +1,49 @@
+{
+  "name": "debug",
+  "version": "2.6.9",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/visionmedia/debug.git"
+  },
+  "description": "small debugging utility",
+  "keywords": [
+    "debug",
+    "log",
+    "debugger"
+  ],
+  "author": "TJ Holowaychuk <tj@vision-media.ca>",
+  "contributors": [
+    "Nathan Rajlich <nathan@tootallnate.net> (http://n8.io)",
+    "Andrew Rhyne <rhyneandrew@gmail.com>"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "ms": "2.0.0"
+  },
+  "devDependencies": {
+    "browserify": "9.0.3",
+    "chai": "^3.5.0",
+    "concurrently": "^3.1.0",
+    "coveralls": "^2.11.15",
+    "eslint": "^3.12.1",
+    "istanbul": "^0.4.5",
+    "karma": "^1.3.0",
+    "karma-chai": "^0.1.0",
+    "karma-mocha": "^1.3.0",
+    "karma-phantomjs-launcher": "^1.0.2",
+    "karma-sinon": "^1.0.5",
+    "mocha": "^3.2.0",
+    "mocha-lcov-reporter": "^1.2.0",
+    "rimraf": "^2.5.4",
+    "sinon": "^1.17.6",
+    "sinon-chai": "^2.8.0"
+  },
+  "main": "./src/index.js",
+  "browser": "./src/browser.js",
+  "component": {
+    "scripts": {
+      "debug/index.js": "browser.js",
+      "debug/debug.js": "debug.js"
+    }
+  }
+}
diff --git a/node_modules/debug/src/browser.js b/node_modules/debug/src/browser.js
new file mode 100644
index 000000000..710692493
--- /dev/null
+++ b/node_modules/debug/src/browser.js
@@ -0,0 +1,185 @@
+/**
+ * This is the web browser implementation of `debug()`.
+ *
+ * Expose `debug()` as the module.
+ */
+
+exports = module.exports = require('./debug');
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+exports.storage = 'undefined' != typeof chrome
+               && 'undefined' != typeof chrome.storage
+                  ? chrome.storage.local
+                  : localstorage();
+
+/**
+ * Colors.
+ */
+
+exports.colors = [
+  'lightseagreen',
+  'forestgreen',
+  'goldenrod',
+  'dodgerblue',
+  'darkorchid',
+  'crimson'
+];
+
+/**
+ * Currently only WebKit-based Web Inspectors, Firefox >= v31,
+ * and the Firebug extension (any Firefox version) are known
+ * to support "%c" CSS customizations.
+ *
+ * TODO: add a `localStorage` variable to explicitly enable/disable colors
+ */
+
+function useColors() {
+  // NB: In an Electron preload script, document will be defined but not fully
+  // initialized. Since we know we're in Chrome, we'll just detect this case
+  // explicitly
+  if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') {
+    return true;
+  }
+
+  // is webkit? http://stackoverflow.com/a/16459606/376773
+  // document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
+  return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
+    // is firebug? http://stackoverflow.com/a/398120/376773
+    (typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
+    // is firefox >= v31?
+    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
+    (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
+    // double check webkit in userAgent just in case we are in a worker
+    (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
+}
+
+/**
+ * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
+ */
+
+exports.formatters.j = function(v) {
+  try {
+    return JSON.stringify(v);
+  } catch (err) {
+    return '[UnexpectedJSONParseError]: ' + err.message;
+  }
+};
+
+
+/**
+ * Colorize log arguments if enabled.
+ *
+ * @api public
+ */
+
+function formatArgs(args) {
+  var useColors = this.useColors;
+
+  args[0] = (useColors ? '%c' : '')
+    + this.namespace
+    + (useColors ? ' %c' : ' ')
+    + args[0]
+    + (useColors ? '%c ' : ' ')
+    + '+' + exports.humanize(this.diff);
+
+  if (!useColors) return;
+
+  var c = 'color: ' + this.color;
+  args.splice(1, 0, c, 'color: inherit')
+
+  // the final "%c" is somewhat tricky, because there could be other
+  // arguments passed either before or after the %c, so we need to
+  // figure out the correct index to insert the CSS into
+  var index = 0;
+  var lastC = 0;
+  args[0].replace(/%[a-zA-Z%]/g, function(match) {
+    if ('%%' === match) return;
+    index++;
+    if ('%c' === match) {
+      // we only are interested in the *last* %c
+      // (the user may have provided their own)
+      lastC = index;
+    }
+  });
+
+  args.splice(lastC, 0, c);
+}
+
+/**
+ * Invokes `console.log()` when available.
+ * No-op when `console.log` is not a "function".
+ *
+ * @api public
+ */
+
+function log() {
+  // this hackery is required for IE8/9, where
+  // the `console.log` function doesn't have 'apply'
+  return 'object' === typeof console
+    && console.log
+    && Function.prototype.apply.call(console.log, console, arguments);
+}
+
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+
+function save(namespaces) {
+  try {
+    if (null == namespaces) {
+      exports.storage.removeItem('debug');
+    } else {
+      exports.storage.debug = namespaces;
+    }
+  } catch(e) {}
+}
+
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+function load() {
+  var r;
+  try {
+    r = exports.storage.debug;
+  } catch(e) {}
+
+  // If debug isn't set in LS, and we're in Electron, try to load $DEBUG
+  if (!r && typeof process !== 'undefined' && 'env' in process) {
+    r = process.env.DEBUG;
+  }
+
+  return r;
+}
+
+/**
+ * Enable namespaces listed in `localStorage.debug` initially.
+ */
+
+exports.enable(load());
+
+/**
+ * Localstorage attempts to return the localstorage.
+ *
+ * This is necessary because safari throws
+ * when a user disables cookies/localstorage
+ * and you attempt to access it.
+ *
+ * @return {LocalStorage}
+ * @api private
+ */
+
+function localstorage() {
+  try {
+    return window.localStorage;
+  } catch (e) {}
+}
diff --git a/node_modules/debug/src/debug.js b/node_modules/debug/src/debug.js
new file mode 100644
index 000000000..6a5e3fc94
--- /dev/null
+++ b/node_modules/debug/src/debug.js
@@ -0,0 +1,202 @@
+
+/**
+ * This is the common logic for both the Node.js and web browser
+ * implementations of `debug()`.
+ *
+ * Expose `debug()` as the module.
+ */
+
+exports = module.exports = createDebug.debug = createDebug['default'] = createDebug;
+exports.coerce = coerce;
+exports.disable = disable;
+exports.enable = enable;
+exports.enabled = enabled;
+exports.humanize = require('ms');
+
+/**
+ * The currently active debug mode names, and names to skip.
+ */
+
+exports.names = [];
+exports.skips = [];
+
+/**
+ * Map of special "%n" handling functions, for the debug "format" argument.
+ *
+ * Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
+ */
+
+exports.formatters = {};
+
+/**
+ * Previous log timestamp.
+ */
+
+var prevTime;
+
+/**
+ * Select a color.
+ * @param {String} namespace
+ * @return {Number}
+ * @api private
+ */
+
+function selectColor(namespace) {
+  var hash = 0, i;
+
+  for (i in namespace) {
+    hash  = ((hash << 5) - hash) + namespace.charCodeAt(i);
+    hash |= 0; // Convert to 32bit integer
+  }
+
+  return exports.colors[Math.abs(hash) % exports.colors.length];
+}
+
+/**
+ * Create a debugger with the given `namespace`.
+ *
+ * @param {String} namespace
+ * @return {Function}
+ * @api public
+ */
+
+function createDebug(namespace) {
+
+  function debug() {
+    // disabled?
+    if (!debug.enabled) return;
+
+    var self = debug;
+
+    // set `diff` timestamp
+    var curr = +new Date();
+    var ms = curr - (prevTime || curr);
+    self.diff = ms;
+    self.prev = prevTime;
+    self.curr = curr;
+    prevTime = curr;
+
+    // turn the `arguments` into a proper Array
+    var args = new Array(arguments.length);
+    for (var i = 0; i < args.length; i++) {
+      args[i] = arguments[i];
+    }
+
+    args[0] = exports.coerce(args[0]);
+
+    if ('string' !== typeof args[0]) {
+      // anything else let's inspect with %O
+      args.unshift('%O');
+    }
+
+    // apply any `formatters` transformations
+    var index = 0;
+    args[0] = args[0].replace(/%([a-zA-Z%])/g, function(match, format) {
+      // if we encounter an escaped % then don't increase the array index
+      if (match === '%%') return match;
+      index++;
+      var formatter = exports.formatters[format];
+      if ('function' === typeof formatter) {
+        var val = args[index];
+        match = formatter.call(self, val);
+
+        // now we need to remove `args[index]` since it's inlined in the `format`
+        args.splice(index, 1);
+        index--;
+      }
+      return match;
+    });
+
+    // apply env-specific formatting (colors, etc.)
+    exports.formatArgs.call(self, args);
+
+    var logFn = debug.log || exports.log || console.log.bind(console);
+    logFn.apply(self, args);
+  }
+
+  debug.namespace = namespace;
+  debug.enabled = exports.enabled(namespace);
+  debug.useColors = exports.useColors();
+  debug.color = selectColor(namespace);
+
+  // env-specific initialization logic for debug instances
+  if ('function' === typeof exports.init) {
+    exports.init(debug);
+  }
+
+  return debug;
+}
+
+/**
+ * Enables a debug mode by namespaces. This can include modes
+ * separated by a colon and wildcards.
+ *
+ * @param {String} namespaces
+ * @api public
+ */
+
+function enable(namespaces) {
+  exports.save(namespaces);
+
+  exports.names = [];
+  exports.skips = [];
+
+  var split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
+  var len = split.length;
+
+  for (var i = 0; i < len; i++) {
+    if (!split[i]) continue; // ignore empty strings
+    namespaces = split[i].replace(/\*/g, '.*?');
+    if (namespaces[0] === '-') {
+      exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
+    } else {
+      exports.names.push(new RegExp('^' + namespaces + '$'));
+    }
+  }
+}
+
+/**
+ * Disable debug output.
+ *
+ * @api public
+ */
+
+function disable() {
+  exports.enable('');
+}
+
+/**
+ * Returns true if the given mode name is enabled, false otherwise.
+ *
+ * @param {String} name
+ * @return {Boolean}
+ * @api public
+ */
+
+function enabled(name) {
+  var i, len;
+  for (i = 0, len = exports.skips.length; i < len; i++) {
+    if (exports.skips[i].test(name)) {
+      return false;
+    }
+  }
+  for (i = 0, len = exports.names.length; i < len; i++) {
+    if (exports.names[i].test(name)) {
+      return true;
+    }
+  }
+  return false;
+}
+
+/**
+ * Coerce `val`.
+ *
+ * @param {Mixed} val
+ * @return {Mixed}
+ * @api private
+ */
+
+function coerce(val) {
+  if (val instanceof Error) return val.stack || val.message;
+  return val;
+}
diff --git a/node_modules/debug/src/index.js b/node_modules/debug/src/index.js
new file mode 100644
index 000000000..e12cf4d58
--- /dev/null
+++ b/node_modules/debug/src/index.js
@@ -0,0 +1,10 @@
+/**
+ * Detect Electron renderer process, which is node, but we should
+ * treat as a browser.
+ */
+
+if (typeof process !== 'undefined' && process.type === 'renderer') {
+  module.exports = require('./browser.js');
+} else {
+  module.exports = require('./node.js');
+}
diff --git a/node_modules/debug/src/inspector-log.js b/node_modules/debug/src/inspector-log.js
new file mode 100644
index 000000000..60ea6c04a
--- /dev/null
+++ b/node_modules/debug/src/inspector-log.js
@@ -0,0 +1,15 @@
+module.exports = inspectorLog;
+
+// black hole
+const nullStream = new (require('stream').Writable)();
+nullStream._write = () => {};
+
+/**
+ * Outputs a `console.log()` to the Node.js Inspector console *only*.
+ */
+function inspectorLog() {
+  const stdout = console._stdout;
+  console._stdout = nullStream;
+  console.log.apply(console, arguments);
+  console._stdout = stdout;
+}
diff --git a/node_modules/debug/src/node.js b/node_modules/debug/src/node.js
new file mode 100644
index 000000000..b15109c90
--- /dev/null
+++ b/node_modules/debug/src/node.js
@@ -0,0 +1,248 @@
+/**
+ * Module dependencies.
+ */
+
+var tty = require('tty');
+var util = require('util');
+
+/**
+ * This is the Node.js implementation of `debug()`.
+ *
+ * Expose `debug()` as the module.
+ */
+
+exports = module.exports = require('./debug');
+exports.init = init;
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+
+/**
+ * Colors.
+ */
+
+exports.colors = [6, 2, 3, 4, 5, 1];
+
+/**
+ * Build up the default `inspectOpts` object from the environment variables.
+ *
+ *   $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js
+ */
+
+exports.inspectOpts = Object.keys(process.env).filter(function (key) {
+  return /^debug_/i.test(key);
+}).reduce(function (obj, key) {
+  // camel-case
+  var prop = key
+    .substring(6)
+    .toLowerCase()
+    .replace(/_([a-z])/g, function (_, k) { return k.toUpperCase() });
+
+  // coerce string value into JS value
+  var val = process.env[key];
+  if (/^(yes|on|true|enabled)$/i.test(val)) val = true;
+  else if (/^(no|off|false|disabled)$/i.test(val)) val = false;
+  else if (val === 'null') val = null;
+  else val = Number(val);
+
+  obj[prop] = val;
+  return obj;
+}, {});
+
+/**
+ * The file descriptor to write the `debug()` calls to.
+ * Set the `DEBUG_FD` env variable to override with another value. i.e.:
+ *
+ *   $ DEBUG_FD=3 node script.js 3>debug.log
+ */
+
+var fd = parseInt(process.env.DEBUG_FD, 10) || 2;
+
+if (1 !== fd && 2 !== fd) {
+  util.deprecate(function(){}, 'except for stderr(2) and stdout(1), any other usage of DEBUG_FD is deprecated. Override debug.log if you want to use a different log function (https://git.io/debug_fd)')()
+}
+
+var stream = 1 === fd ? process.stdout :
+             2 === fd ? process.stderr :
+             createWritableStdioStream(fd);
+
+/**
+ * Is stdout a TTY? Colored output is enabled when `true`.
+ */
+
+function useColors() {
+  return 'colors' in exports.inspectOpts
+    ? Boolean(exports.inspectOpts.colors)
+    : tty.isatty(fd);
+}
+
+/**
+ * Map %o to `util.inspect()`, all on a single line.
+ */
+
+exports.formatters.o = function(v) {
+  this.inspectOpts.colors = this.useColors;
+  return util.inspect(v, this.inspectOpts)
+    .split('\n').map(function(str) {
+      return str.trim()
+    }).join(' ');
+};
+
+/**
+ * Map %o to `util.inspect()`, allowing multiple lines if needed.
+ */
+
+exports.formatters.O = function(v) {
+  this.inspectOpts.colors = this.useColors;
+  return util.inspect(v, this.inspectOpts);
+};
+
+/**
+ * Adds ANSI color escape codes if enabled.
+ *
+ * @api public
+ */
+
+function formatArgs(args) {
+  var name = this.namespace;
+  var useColors = this.useColors;
+
+  if (useColors) {
+    var c = this.color;
+    var prefix = '  \u001b[3' + c + ';1m' + name + ' ' + '\u001b[0m';
+
+    args[0] = prefix + args[0].split('\n').join('\n' + prefix);
+    args.push('\u001b[3' + c + 'm+' + exports.humanize(this.diff) + '\u001b[0m');
+  } else {
+    args[0] = new Date().toUTCString()
+      + ' ' + name + ' ' + args[0];
+  }
+}
+
+/**
+ * Invokes `util.format()` with the specified arguments and writes to `stream`.
+ */
+
+function log() {
+  return stream.write(util.format.apply(util, arguments) + '\n');
+}
+
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+
+function save(namespaces) {
+  if (null == namespaces) {
+    // If you set a process.env field to null or undefined, it gets cast to the
+    // string 'null' or 'undefined'. Just delete instead.
+    delete process.env.DEBUG;
+  } else {
+    process.env.DEBUG = namespaces;
+  }
+}
+
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+function load() {
+  return process.env.DEBUG;
+}
+
+/**
+ * Copied from `node/src/node.js`.
+ *
+ * XXX: It's lame that node doesn't expose this API out-of-the-box. It also
+ * relies on the undocumented `tty_wrap.guessHandleType()` which is also lame.
+ */
+
+function createWritableStdioStream (fd) {
+  var stream;
+  var tty_wrap = process.binding('tty_wrap');
+
+  // Note stream._type is used for test-module-load-list.js
+
+  switch (tty_wrap.guessHandleType(fd)) {
+    case 'TTY':
+      stream = new tty.WriteStream(fd);
+      stream._type = 'tty';
+
+      // Hack to have stream not keep the event loop alive.
+      // See https://github.com/joyent/node/issues/1726
+      if (stream._handle && stream._handle.unref) {
+        stream._handle.unref();
+      }
+      break;
+
+    case 'FILE':
+      var fs = require('fs');
+      stream = new fs.SyncWriteStream(fd, { autoClose: false });
+      stream._type = 'fs';
+      break;
+
+    case 'PIPE':
+    case 'TCP':
+      var net = require('net');
+      stream = new net.Socket({
+        fd: fd,
+        readable: false,
+        writable: true
+      });
+
+      // FIXME Should probably have an option in net.Socket to create a
+      // stream from an existing fd which is writable only. But for now
+      // we'll just add this hack and set the `readable` member to false.
+      // Test: ./node test/fixtures/echo.js < /etc/passwd
+      stream.readable = false;
+      stream.read = null;
+      stream._type = 'pipe';
+
+      // FIXME Hack to have stream not keep the event loop alive.
+      // See https://github.com/joyent/node/issues/1726
+      if (stream._handle && stream._handle.unref) {
+        stream._handle.unref();
+      }
+      break;
+
+    default:
+      // Probably an error on in uv_guess_handle()
+      throw new Error('Implement me. Unknown stream file type!');
+  }
+
+  // For supporting legacy API we put the FD here.
+  stream.fd = fd;
+
+  stream._isStdio = true;
+
+  return stream;
+}
+
+/**
+ * Init logic for `debug` instances.
+ *
+ * Create a new `inspectOpts` object in case `useColors` is set
+ * differently for a particular `debug` instance.
+ */
+
+function init (debug) {
+  debug.inspectOpts = {};
+
+  var keys = Object.keys(exports.inspectOpts);
+  for (var i = 0; i < keys.length; i++) {
+    debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];
+  }
+}
+
+/**
+ * Enable namespaces listed in `process.env.DEBUG` initially.
+ */
+
+exports.enable(load());
diff --git a/node_modules/delayed-stream/.npmignore b/node_modules/delayed-stream/.npmignore
new file mode 100644
index 000000000..9daeafb98
--- /dev/null
+++ b/node_modules/delayed-stream/.npmignore
@@ -0,0 +1 @@
+test
diff --git a/node_modules/delayed-stream/License b/node_modules/delayed-stream/License
new file mode 100644
index 000000000..4804b7ab4
--- /dev/null
+++ b/node_modules/delayed-stream/License
@@ -0,0 +1,19 @@
+Copyright (c) 2011 Debuggable Limited <felix@debuggable.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/delayed-stream/Makefile b/node_modules/delayed-stream/Makefile
new file mode 100644
index 000000000..b4ff85a33
--- /dev/null
+++ b/node_modules/delayed-stream/Makefile
@@ -0,0 +1,7 @@
+SHELL := /bin/bash
+
+test:
+	@./test/run.js
+
+.PHONY: test
+
diff --git a/node_modules/delayed-stream/Readme.md b/node_modules/delayed-stream/Readme.md
new file mode 100644
index 000000000..aca36f9f0
--- /dev/null
+++ b/node_modules/delayed-stream/Readme.md
@@ -0,0 +1,141 @@
+# delayed-stream
+
+Buffers events from a stream until you are ready to handle them.
+
+## Installation
+
+``` bash
+npm install delayed-stream
+```
+
+## Usage
+
+The following example shows how to write a http echo server that delays its
+response by 1000 ms.
+
+``` javascript
+var DelayedStream = require('delayed-stream');
+var http = require('http');
+
+http.createServer(function(req, res) {
+  var delayed = DelayedStream.create(req);
+
+  setTimeout(function() {
+    res.writeHead(200);
+    delayed.pipe(res);
+  }, 1000);
+});
+```
+
+If you are not using `Stream#pipe`, you can also manually release the buffered
+events by calling `delayedStream.resume()`:
+
+``` javascript
+var delayed = DelayedStream.create(req);
+
+setTimeout(function() {
+  // Emit all buffered events and resume underlaying source
+  delayed.resume();
+}, 1000);
+```
+
+## Implementation
+
+In order to use this meta stream properly, here are a few things you should
+know about the implementation.
+
+### Event Buffering / Proxying
+
+All events of the `source` stream are hijacked by overwriting the `source.emit`
+method. Until node implements a catch-all event listener, this is the only way.
+
+However, delayed-stream still continues to emit all events it captures on the
+`source`, regardless of whether you have released the delayed stream yet or
+not.
+
+Upon creation, delayed-stream captures all `source` events and stores them in
+an internal event buffer. Once `delayedStream.release()` is called, all
+buffered events are emitted on the `delayedStream`, and the event buffer is
+cleared. After that, delayed-stream merely acts as a proxy for the underlaying
+source.
+
+### Error handling
+
+Error events on `source` are buffered / proxied just like any other events.
+However, `delayedStream.create` attaches a no-op `'error'` listener to the
+`source`. This way you only have to handle errors on the `delayedStream`
+object, rather than in two places.
+
+### Buffer limits
+
+delayed-stream provides a `maxDataSize` property that can be used to limit
+the amount of data being buffered. In order to protect you from bad `source`
+streams that don't react to `source.pause()`, this feature is enabled by
+default.
+
+## API
+
+### DelayedStream.create(source, [options])
+
+Returns a new `delayedStream`. Available options are:
+
+* `pauseStream`
+* `maxDataSize`
+
+The description for those properties can be found below.
+
+### delayedStream.source
+
+The `source` stream managed by this object. This is useful if you are
+passing your `delayedStream` around, and you still want to access properties
+on the `source` object.
+
+### delayedStream.pauseStream = true
+
+Whether to pause the underlaying `source` when calling
+`DelayedStream.create()`. Modifying this property afterwards has no effect.
+
+### delayedStream.maxDataSize = 1024 * 1024
+
+The amount of data to buffer before emitting an `error`.
+
+If the underlaying source is emitting `Buffer` objects, the `maxDataSize`
+refers to bytes.
+
+If the underlaying source is emitting JavaScript strings, the size refers to
+characters.
+
+If you know what you are doing, you can set this property to `Infinity` to
+disable this feature. You can also modify this property during runtime.
+
+### delayedStream.dataSize = 0
+
+The amount of data buffered so far.
+
+### delayedStream.readable
+
+An ECMA5 getter that returns the value of `source.readable`.
+
+### delayedStream.resume()
+
+If the `delayedStream` has not been released so far, `delayedStream.release()`
+is called.
+
+In either case, `source.resume()` is called.
+
+### delayedStream.pause()
+
+Calls `source.pause()`.
+
+### delayedStream.pipe(dest)
+
+Calls `delayedStream.resume()` and then proxies the arguments to `source.pipe`.
+
+### delayedStream.release()
+
+Emits and clears all events that have been buffered up so far. This does not
+resume the underlaying source, use `delayedStream.resume()` instead.
+
+## License
+
+delayed-stream is licensed under the MIT license.
diff --git a/node_modules/delayed-stream/lib/delayed_stream.js b/node_modules/delayed-stream/lib/delayed_stream.js
new file mode 100644
index 000000000..b38fc85ff
--- /dev/null
+++ b/node_modules/delayed-stream/lib/delayed_stream.js
@@ -0,0 +1,107 @@
+var Stream = require('stream').Stream;
+var util = require('util');
+
+module.exports = DelayedStream;
+function DelayedStream() {
+  this.source = null;
+  this.dataSize = 0;
+  this.maxDataSize = 1024 * 1024;
+  this.pauseStream = true;
+
+  this._maxDataSizeExceeded = false;
+  this._released = false;
+  this._bufferedEvents = [];
+}
+util.inherits(DelayedStream, Stream);
+
+DelayedStream.create = function(source, options) {
+  var delayedStream = new this();
+
+  options = options || {};
+  for (var option in options) {
+    delayedStream[option] = options[option];
+  }
+
+  delayedStream.source = source;
+
+  var realEmit = source.emit;
+  source.emit = function() {
+    delayedStream._handleEmit(arguments);
+    return realEmit.apply(source, arguments);
+  };
+
+  source.on('error', function() {});
+  if (delayedStream.pauseStream) {
+    source.pause();
+  }
+
+  return delayedStream;
+};
+
+Object.defineProperty(DelayedStream.prototype, 'readable', {
+  configurable: true,
+  enumerable: true,
+  get: function() {
+    return this.source.readable;
+  }
+});
+
+DelayedStream.prototype.setEncoding = function() {
+  return this.source.setEncoding.apply(this.source, arguments);
+};
+
+DelayedStream.prototype.resume = function() {
+  if (!this._released) {
+    this.release();
+  }
+
+  this.source.resume();
+};
+
+DelayedStream.prototype.pause = function() {
+  this.source.pause();
+};
+
+DelayedStream.prototype.release = function() {
+  this._released = true;
+
+  this._bufferedEvents.forEach(function(args) {
+    this.emit.apply(this, args);
+  }.bind(this));
+  this._bufferedEvents = [];
+};
+
+DelayedStream.prototype.pipe = function() {
+  var r = Stream.prototype.pipe.apply(this, arguments);
+  this.resume();
+  return r;
+};
+
+DelayedStream.prototype._handleEmit = function(args) {
+  if (this._released) {
+    this.emit.apply(this, args);
+    return;
+  }
+
+  if (args[0] === 'data') {
+    this.dataSize += args[1].length;
+    this._checkIfMaxDataSizeExceeded();
+  }
+
+  this._bufferedEvents.push(args);
+};
+
+DelayedStream.prototype._checkIfMaxDataSizeExceeded = function() {
+  if (this._maxDataSizeExceeded) {
+    return;
+  }
+
+  if (this.dataSize <= this.maxDataSize) {
+    return;
+  }
+
+  this._maxDataSizeExceeded = true;
+  var message =
+    'DelayedStream#maxDataSize of ' + this.maxDataSize + ' bytes exceeded.'
+  this.emit('error', new Error(message));
+};
diff --git a/node_modules/delayed-stream/package.json b/node_modules/delayed-stream/package.json
new file mode 100644
index 000000000..eea3291c5
--- /dev/null
+++ b/node_modules/delayed-stream/package.json
@@ -0,0 +1,27 @@
+{
+  "author": "Felix Geisendörfer <felix@debuggable.com> (http://debuggable.com/)",
+  "contributors": [
+    "Mike Atkins <apeherder@gmail.com>"
+  ],
+  "name": "delayed-stream",
+  "description": "Buffers events from a stream until you are ready to handle them.",
+  "license": "MIT",
+  "version": "1.0.0",
+  "homepage": "https://github.com/felixge/node-delayed-stream",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/felixge/node-delayed-stream.git"
+  },
+  "main": "./lib/delayed_stream",
+  "engines": {
+    "node": ">=0.4.0"
+  },
+  "scripts": {
+    "test": "make test"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "fake": "0.2.0",
+    "far": "0.0.1"
+  }
+}
diff --git a/node_modules/denque/CHANGELOG.md b/node_modules/denque/CHANGELOG.md
new file mode 100644
index 000000000..391a1f514
--- /dev/null
+++ b/node_modules/denque/CHANGELOG.md
@@ -0,0 +1,29 @@
+## 2.1.0
+
+ - fix: issue where `clear()` is still keeping references to the elements (#47)
+ - refactor: performance optimizations for growth and array copy (#43)
+ - refactor: performance optimizations for toArray and fromArray (#46)
+ - test: add additional benchmarks for queue growth and `toArray` (#45)
+
+## 2.0.1
+
+ - fix(types): incorrect return type on `size()`
+
+## 2.0.0
+
+ - fix!: `push` & `unshift` now accept `undefined` values to match behaviour of `Array` (fixes #25) (#35)
+   - This is only a **BREAKING** change if you are currently expecting `push(undefined)` and `unshift(undefined)` to do
+     nothing - the new behaviour now correctly adds undefined values to the queue.
+   - **Note**: behaviour of `push()` & `unshift()` (no arguments) remains unchanged (nothing gets added to the queue).
+   - **Note**: If you need to differentiate between `undefined` values in the queue and the return value of `pop()` then
+     check the queue `.length` before popping.
+ - fix: incorrect methods in types definition file
+
+## 1.5.1
+
+ - perf: minor performance tweak when growing queue size (#29)
+
+## 1.5.0
+
+ - feat: adds capacity option for circular buffers (#27)
+
diff --git a/node_modules/denque/LICENSE b/node_modules/denque/LICENSE
new file mode 100644
index 000000000..c9cde9201
--- /dev/null
+++ b/node_modules/denque/LICENSE
@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
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+   5. Submission of Contributions. Unless You explicitly state otherwise,
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+      the terms of any separate license agreement you may have executed
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+   6. Trademarks. This License does not grant permission to use the trade
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+   7. Disclaimer of Warranty. Unless required by applicable law or
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+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
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+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
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+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
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+       http://www.apache.org/licenses/LICENSE-2.0
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+   See the License for the specific language governing permissions and
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diff --git a/node_modules/denque/README.md b/node_modules/denque/README.md
new file mode 100644
index 000000000..3c645d39c
--- /dev/null
+++ b/node_modules/denque/README.md
@@ -0,0 +1,77 @@
+<p align="center">
+  <h1 align="center">Denque</h1>
+</p>
+
+<p align="center">
+  <a href="https://www.npmjs.com/package/denque"><img src="https://img.shields.io/npm/dm/denque.svg?style=flat-square" alt="NPM downloads"></a>
+  <a href="https://www.npmjs.com/package/denque"><img src="https://img.shields.io/npm/v/denque.svg?style=flat-square" alt="NPM version"></a>
+  <a href="https://github.com/invertase/denque/actions/workflows/testing.yam"><img src="https://github.com/invertase/denque/actions/workflows/testing.yaml/badge.svg" alt="Tests status"></a>
+  <a href="https://codecov.io/gh/invertase/denque"><img src="https://codecov.io/gh/invertase/denque/branch/master/graph/badge.svg?token=rn91iI4bSe" alt="Coverage"></a>
+  <a href="/LICENSE"><img src="https://img.shields.io/npm/l/denque.svg?style=flat-square" alt="License"></a>
+  <a href="https://twitter.com/invertaseio"><img src="https://img.shields.io/twitter/follow/invertaseio.svg?style=social&label=Follow" alt="Follow on Twitter"></a>
+</p>
+
+Denque is a well tested, extremely fast and lightweight [double-ended queue](http://en.wikipedia.org/wiki/Double-ended_queue)
+implementation with zero dependencies and includes TypeScript types.
+
+Double-ended queues can also be used as a:
+
+- [Stack](http://en.wikipedia.org/wiki/Stack_\(abstract_data_type\))
+- [Queue](http://en.wikipedia.org/wiki/Queue_\(data_structure\))
+
+This implementation is currently the fastest available, even faster than `double-ended-queue`, see the [benchmarks](https://docs.page/invertase/denque/benchmarks).
+
+Every queue operation is done at a constant `O(1)` - including random access from `.peekAt(index)`.
+
+**Works on all node versions >= v0.10**
+
+## Quick Start
+
+Install the package:
+
+```bash
+npm install denque
+```
+
+Create and consume a queue:
+
+```js
+const Denque = require("denque");
+
+const denque = new Denque([1,2,3,4]);
+denque.shift(); // 1
+denque.pop(); // 4
+```
+
+
+See the [API reference documentation](https://docs.page/invertase/denque/api) for more examples.
+
+---
+
+## Who's using it?
+
+- [Kafka Node.js client](https://www.npmjs.com/package/kafka-node)
+- [MariaDB Node.js client](https://www.npmjs.com/package/mariadb)
+- [MongoDB Node.js client](https://www.npmjs.com/package/mongodb)
+- [MySQL Node.js client](https://www.npmjs.com/package/mysql2)
+- [Redis Node.js clients](https://www.npmjs.com/package/redis)
+
+... and [many more](https://www.npmjs.com/browse/depended/denque).
+
+
+---
+
+## License
+
+- See [LICENSE](/LICENSE)
+
+---
+
+<p align="center">
+  <a href="https://invertase.io/?utm_source=readme&utm_medium=footer&utm_campaign=denque">
+    <img width="75px" src="https://static.invertase.io/assets/invertase/invertase-rounded-avatar.png">
+  </a>
+  <p align="center">
+    Built and maintained by <a href="https://invertase.io/?utm_source=readme&utm_medium=footer&utm_campaign=denque">Invertase</a>.
+  </p>
+</p>
diff --git a/node_modules/denque/index.d.ts b/node_modules/denque/index.d.ts
new file mode 100644
index 000000000..e125dd471
--- /dev/null
+++ b/node_modules/denque/index.d.ts
@@ -0,0 +1,47 @@
+declare class Denque<T = any> {
+  length: number;
+
+  constructor();
+
+  constructor(array: T[]);
+
+  constructor(array: T[], options: IDenqueOptions);
+
+  push(item: T): number;
+
+  unshift(item: T): number;
+
+  pop(): T | undefined;
+
+  shift(): T | undefined;
+
+  peekBack(): T | undefined;
+
+  peekFront(): T | undefined;
+
+  peekAt(index: number): T | undefined;
+
+  get(index: number): T | undefined;
+
+  remove(index: number, count: number): T[];
+
+  removeOne(index: number): T | undefined;
+
+  splice(index: number, count: number, ...item: T[]): T[] | undefined;
+
+  isEmpty(): boolean;
+
+  clear(): void;
+
+  size(): number;
+
+  toString(): string;
+
+  toArray(): T[];
+}
+
+interface IDenqueOptions {
+  capacity?: number
+}
+
+export = Denque;
diff --git a/node_modules/denque/index.js b/node_modules/denque/index.js
new file mode 100644
index 000000000..6b2e9d862
--- /dev/null
+++ b/node_modules/denque/index.js
@@ -0,0 +1,481 @@
+'use strict';
+
+/**
+ * Custom implementation of a double ended queue.
+ */
+function Denque(array, options) {
+  var options = options || {};
+  this._capacity = options.capacity;
+
+  this._head = 0;
+  this._tail = 0;
+
+  if (Array.isArray(array)) {
+    this._fromArray(array);
+  } else {
+    this._capacityMask = 0x3;
+    this._list = new Array(4);
+  }
+}
+
+/**
+ * --------------
+ *  PUBLIC API
+ * -------------
+ */
+
+/**
+ * Returns the item at the specified index from the list.
+ * 0 is the first element, 1 is the second, and so on...
+ * Elements at negative values are that many from the end: -1 is one before the end
+ * (the last element), -2 is two before the end (one before last), etc.
+ * @param index
+ * @returns {*}
+ */
+Denque.prototype.peekAt = function peekAt(index) {
+  var i = index;
+  // expect a number or return undefined
+  if ((i !== (i | 0))) {
+    return void 0;
+  }
+  var len = this.size();
+  if (i >= len || i < -len) return undefined;
+  if (i < 0) i += len;
+  i = (this._head + i) & this._capacityMask;
+  return this._list[i];
+};
+
+/**
+ * Alias for peekAt()
+ * @param i
+ * @returns {*}
+ */
+Denque.prototype.get = function get(i) {
+  return this.peekAt(i);
+};
+
+/**
+ * Returns the first item in the list without removing it.
+ * @returns {*}
+ */
+Denque.prototype.peek = function peek() {
+  if (this._head === this._tail) return undefined;
+  return this._list[this._head];
+};
+
+/**
+ * Alias for peek()
+ * @returns {*}
+ */
+Denque.prototype.peekFront = function peekFront() {
+  return this.peek();
+};
+
+/**
+ * Returns the item that is at the back of the queue without removing it.
+ * Uses peekAt(-1)
+ */
+Denque.prototype.peekBack = function peekBack() {
+  return this.peekAt(-1);
+};
+
+/**
+ * Returns the current length of the queue
+ * @return {Number}
+ */
+Object.defineProperty(Denque.prototype, 'length', {
+  get: function length() {
+    return this.size();
+  }
+});
+
+/**
+ * Return the number of items on the list, or 0 if empty.
+ * @returns {number}
+ */
+Denque.prototype.size = function size() {
+  if (this._head === this._tail) return 0;
+  if (this._head < this._tail) return this._tail - this._head;
+  else return this._capacityMask + 1 - (this._head - this._tail);
+};
+
+/**
+ * Add an item at the beginning of the list.
+ * @param item
+ */
+Denque.prototype.unshift = function unshift(item) {
+  if (arguments.length === 0) return this.size();
+  var len = this._list.length;
+  this._head = (this._head - 1 + len) & this._capacityMask;
+  this._list[this._head] = item;
+  if (this._tail === this._head) this._growArray();
+  if (this._capacity && this.size() > this._capacity) this.pop();
+  if (this._head < this._tail) return this._tail - this._head;
+  else return this._capacityMask + 1 - (this._head - this._tail);
+};
+
+/**
+ * Remove and return the first item on the list,
+ * Returns undefined if the list is empty.
+ * @returns {*}
+ */
+Denque.prototype.shift = function shift() {
+  var head = this._head;
+  if (head === this._tail) return undefined;
+  var item = this._list[head];
+  this._list[head] = undefined;
+  this._head = (head + 1) & this._capacityMask;
+  if (head < 2 && this._tail > 10000 && this._tail <= this._list.length >>> 2) this._shrinkArray();
+  return item;
+};
+
+/**
+ * Add an item to the bottom of the list.
+ * @param item
+ */
+Denque.prototype.push = function push(item) {
+  if (arguments.length === 0) return this.size();
+  var tail = this._tail;
+  this._list[tail] = item;
+  this._tail = (tail + 1) & this._capacityMask;
+  if (this._tail === this._head) {
+    this._growArray();
+  }
+  if (this._capacity && this.size() > this._capacity) {
+    this.shift();
+  }
+  if (this._head < this._tail) return this._tail - this._head;
+  else return this._capacityMask + 1 - (this._head - this._tail);
+};
+
+/**
+ * Remove and return the last item on the list.
+ * Returns undefined if the list is empty.
+ * @returns {*}
+ */
+Denque.prototype.pop = function pop() {
+  var tail = this._tail;
+  if (tail === this._head) return undefined;
+  var len = this._list.length;
+  this._tail = (tail - 1 + len) & this._capacityMask;
+  var item = this._list[this._tail];
+  this._list[this._tail] = undefined;
+  if (this._head < 2 && tail > 10000 && tail <= len >>> 2) this._shrinkArray();
+  return item;
+};
+
+/**
+ * Remove and return the item at the specified index from the list.
+ * Returns undefined if the list is empty.
+ * @param index
+ * @returns {*}
+ */
+Denque.prototype.removeOne = function removeOne(index) {
+  var i = index;
+  // expect a number or return undefined
+  if ((i !== (i | 0))) {
+    return void 0;
+  }
+  if (this._head === this._tail) return void 0;
+  var size = this.size();
+  var len = this._list.length;
+  if (i >= size || i < -size) return void 0;
+  if (i < 0) i += size;
+  i = (this._head + i) & this._capacityMask;
+  var item = this._list[i];
+  var k;
+  if (index < size / 2) {
+    for (k = index; k > 0; k--) {
+      this._list[i] = this._list[i = (i - 1 + len) & this._capacityMask];
+    }
+    this._list[i] = void 0;
+    this._head = (this._head + 1 + len) & this._capacityMask;
+  } else {
+    for (k = size - 1 - index; k > 0; k--) {
+      this._list[i] = this._list[i = (i + 1 + len) & this._capacityMask];
+    }
+    this._list[i] = void 0;
+    this._tail = (this._tail - 1 + len) & this._capacityMask;
+  }
+  return item;
+};
+
+/**
+ * Remove number of items from the specified index from the list.
+ * Returns array of removed items.
+ * Returns undefined if the list is empty.
+ * @param index
+ * @param count
+ * @returns {array}
+ */
+Denque.prototype.remove = function remove(index, count) {
+  var i = index;
+  var removed;
+  var del_count = count;
+  // expect a number or return undefined
+  if ((i !== (i | 0))) {
+    return void 0;
+  }
+  if (this._head === this._tail) return void 0;
+  var size = this.size();
+  var len = this._list.length;
+  if (i >= size || i < -size || count < 1) return void 0;
+  if (i < 0) i += size;
+  if (count === 1 || !count) {
+    removed = new Array(1);
+    removed[0] = this.removeOne(i);
+    return removed;
+  }
+  if (i === 0 && i + count >= size) {
+    removed = this.toArray();
+    this.clear();
+    return removed;
+  }
+  if (i + count > size) count = size - i;
+  var k;
+  removed = new Array(count);
+  for (k = 0; k < count; k++) {
+    removed[k] = this._list[(this._head + i + k) & this._capacityMask];
+  }
+  i = (this._head + i) & this._capacityMask;
+  if (index + count === size) {
+    this._tail = (this._tail - count + len) & this._capacityMask;
+    for (k = count; k > 0; k--) {
+      this._list[i = (i + 1 + len) & this._capacityMask] = void 0;
+    }
+    return removed;
+  }
+  if (index === 0) {
+    this._head = (this._head + count + len) & this._capacityMask;
+    for (k = count - 1; k > 0; k--) {
+      this._list[i = (i + 1 + len) & this._capacityMask] = void 0;
+    }
+    return removed;
+  }
+  if (i < size / 2) {
+    this._head = (this._head + index + count + len) & this._capacityMask;
+    for (k = index; k > 0; k--) {
+      this.unshift(this._list[i = (i - 1 + len) & this._capacityMask]);
+    }
+    i = (this._head - 1 + len) & this._capacityMask;
+    while (del_count > 0) {
+      this._list[i = (i - 1 + len) & this._capacityMask] = void 0;
+      del_count--;
+    }
+    if (index < 0) this._tail = i;
+  } else {
+    this._tail = i;
+    i = (i + count + len) & this._capacityMask;
+    for (k = size - (count + index); k > 0; k--) {
+      this.push(this._list[i++]);
+    }
+    i = this._tail;
+    while (del_count > 0) {
+      this._list[i = (i + 1 + len) & this._capacityMask] = void 0;
+      del_count--;
+    }
+  }
+  if (this._head < 2 && this._tail > 10000 && this._tail <= len >>> 2) this._shrinkArray();
+  return removed;
+};
+
+/**
+ * Native splice implementation.
+ * Remove number of items from the specified index from the list and/or add new elements.
+ * Returns array of removed items or empty array if count == 0.
+ * Returns undefined if the list is empty.
+ *
+ * @param index
+ * @param count
+ * @param {...*} [elements]
+ * @returns {array}
+ */
+Denque.prototype.splice = function splice(index, count) {
+  var i = index;
+  // expect a number or return undefined
+  if ((i !== (i | 0))) {
+    return void 0;
+  }
+  var size = this.size();
+  if (i < 0) i += size;
+  if (i > size) return void 0;
+  if (arguments.length > 2) {
+    var k;
+    var temp;
+    var removed;
+    var arg_len = arguments.length;
+    var len = this._list.length;
+    var arguments_index = 2;
+    if (!size || i < size / 2) {
+      temp = new Array(i);
+      for (k = 0; k < i; k++) {
+        temp[k] = this._list[(this._head + k) & this._capacityMask];
+      }
+      if (count === 0) {
+        removed = [];
+        if (i > 0) {
+          this._head = (this._head + i + len) & this._capacityMask;
+        }
+      } else {
+        removed = this.remove(i, count);
+        this._head = (this._head + i + len) & this._capacityMask;
+      }
+      while (arg_len > arguments_index) {
+        this.unshift(arguments[--arg_len]);
+      }
+      for (k = i; k > 0; k--) {
+        this.unshift(temp[k - 1]);
+      }
+    } else {
+      temp = new Array(size - (i + count));
+      var leng = temp.length;
+      for (k = 0; k < leng; k++) {
+        temp[k] = this._list[(this._head + i + count + k) & this._capacityMask];
+      }
+      if (count === 0) {
+        removed = [];
+        if (i != size) {
+          this._tail = (this._head + i + len) & this._capacityMask;
+        }
+      } else {
+        removed = this.remove(i, count);
+        this._tail = (this._tail - leng + len) & this._capacityMask;
+      }
+      while (arguments_index < arg_len) {
+        this.push(arguments[arguments_index++]);
+      }
+      for (k = 0; k < leng; k++) {
+        this.push(temp[k]);
+      }
+    }
+    return removed;
+  } else {
+    return this.remove(i, count);
+  }
+};
+
+/**
+ * Soft clear - does not reset capacity.
+ */
+Denque.prototype.clear = function clear() {
+  this._list = new Array(this._list.length);
+  this._head = 0;
+  this._tail = 0;
+};
+
+/**
+ * Returns true or false whether the list is empty.
+ * @returns {boolean}
+ */
+Denque.prototype.isEmpty = function isEmpty() {
+  return this._head === this._tail;
+};
+
+/**
+ * Returns an array of all queue items.
+ * @returns {Array}
+ */
+Denque.prototype.toArray = function toArray() {
+  return this._copyArray(false);
+};
+
+/**
+ * -------------
+ *   INTERNALS
+ * -------------
+ */
+
+/**
+ * Fills the queue with items from an array
+ * For use in the constructor
+ * @param array
+ * @private
+ */
+Denque.prototype._fromArray = function _fromArray(array) {
+  var length = array.length;
+  var capacity = this._nextPowerOf2(length);
+
+  this._list = new Array(capacity);
+  this._capacityMask = capacity - 1;
+  this._tail = length;
+
+  for (var i = 0; i < length; i++) this._list[i] = array[i];
+};
+
+/**
+ *
+ * @param fullCopy
+ * @param size Initialize the array with a specific size. Will default to the current list size
+ * @returns {Array}
+ * @private
+ */
+Denque.prototype._copyArray = function _copyArray(fullCopy, size) {
+  var src = this._list;
+  var capacity = src.length;
+  var length = this.length;
+  size = size | length;
+
+  // No prealloc requested and the buffer is contiguous
+  if (size == length && this._head < this._tail) {
+    // Simply do a fast slice copy
+    return this._list.slice(this._head, this._tail);
+  }
+
+  var dest = new Array(size);
+
+  var k = 0;
+  var i;
+  if (fullCopy || this._head > this._tail) {
+    for (i = this._head; i < capacity; i++) dest[k++] = src[i];
+    for (i = 0; i < this._tail; i++) dest[k++] = src[i];
+  } else {
+    for (i = this._head; i < this._tail; i++) dest[k++] = src[i];
+  }
+
+  return dest;
+}
+
+/**
+ * Grows the internal list array.
+ * @private
+ */
+Denque.prototype._growArray = function _growArray() {
+  if (this._head != 0) {
+    // double array size and copy existing data, head to end, then beginning to tail.
+    var newList = this._copyArray(true, this._list.length << 1);
+
+    this._tail = this._list.length;
+    this._head = 0;
+
+    this._list = newList;
+  } else {
+    this._tail = this._list.length;
+    this._list.length <<= 1;
+  }
+
+  this._capacityMask = (this._capacityMask << 1) | 1;
+};
+
+/**
+ * Shrinks the internal list array.
+ * @private
+ */
+Denque.prototype._shrinkArray = function _shrinkArray() {
+  this._list.length >>>= 1;
+  this._capacityMask >>>= 1;
+};
+
+/**
+ * Find the next power of 2, at least 4
+ * @private
+ * @param {number} num 
+ * @returns {number}
+ */
+Denque.prototype._nextPowerOf2 = function _nextPowerOf2(num) {
+  var log2 = Math.log(num) / Math.log(2);
+  var nextPow2 = 1 << (log2 + 1);
+
+  return Math.max(nextPow2, 4);
+}
+
+module.exports = Denque;
diff --git a/node_modules/denque/package.json b/node_modules/denque/package.json
new file mode 100644
index 000000000..a63591030
--- /dev/null
+++ b/node_modules/denque/package.json
@@ -0,0 +1,58 @@
+{
+  "name": "denque",
+  "version": "2.1.0",
+  "description": "The fastest javascript implementation of a double-ended queue. Used by the official Redis, MongoDB, MariaDB & MySQL libraries for Node.js and many other libraries. Maintains compatability with deque.",
+  "main": "index.js",
+  "engines": {
+    "node": ">=0.10"
+  },
+  "keywords": [
+    "data-structure",
+    "data-structures",
+    "queue",
+    "double",
+    "end",
+    "ended",
+    "deque",
+    "denque",
+    "double-ended-queue"
+  ],
+  "scripts": {
+    "test": "istanbul cover --report lcov _mocha && npm run typescript",
+    "coveralls": "cat ./coverage/lcov.info | coveralls",
+    "typescript": "tsc --project ./test/type/tsconfig.json",
+    "benchmark_thousand": "node benchmark/thousand",
+    "benchmark_2mil": "node benchmark/two_million",
+    "benchmark_splice": "node benchmark/splice",
+    "benchmark_remove": "node benchmark/remove",
+    "benchmark_removeOne": "node benchmark/removeOne",
+    "benchmark_growth": "node benchmark/growth",
+    "benchmark_toArray": "node benchmark/toArray",
+    "benchmark_fromArray": "node benchmark/fromArray"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/invertase/denque.git"
+  },
+  "license": "Apache-2.0",
+  "author": {
+    "name": "Invertase",
+    "email": "oss@invertase.io",
+    "url": "http://github.com/invertase/"
+  },
+  "contributors": [
+    "Mike Diarmid (Salakar) <mike@invertase.io>"
+  ],
+  "bugs": {
+    "url": "https://github.com/invertase/denque/issues"
+  },
+  "homepage": "https://docs.page/invertase/denque",
+  "devDependencies": {
+    "benchmark": "^2.1.4",
+    "codecov": "^3.8.3",
+    "double-ended-queue": "^2.1.0-0",
+    "istanbul": "^0.4.5",
+    "mocha": "^3.5.3",
+    "typescript": "^3.4.1"
+  }
+}
diff --git a/node_modules/depd/History.md b/node_modules/depd/History.md
new file mode 100644
index 000000000..cd9ebaaa9
--- /dev/null
+++ b/node_modules/depd/History.md
@@ -0,0 +1,103 @@
+2.0.0 / 2018-10-26
+==================
+
+  * Drop support for Node.js 0.6
+  * Replace internal `eval` usage with `Function` constructor
+  * Use instance methods on `process` to check for listeners
+
+1.1.2 / 2018-01-11
+==================
+
+  * perf: remove argument reassignment
+  * Support Node.js 0.6 to 9.x
+
+1.1.1 / 2017-07-27
+==================
+
+  * Remove unnecessary `Buffer` loading
+  * Support Node.js 0.6 to 8.x
+
+1.1.0 / 2015-09-14
+==================
+
+  * Enable strict mode in more places
+  * Support io.js 3.x
+  * Support io.js 2.x
+  * Support web browser loading
+    - Requires bundler like Browserify or webpack
+
+1.0.1 / 2015-04-07
+==================
+
+  * Fix `TypeError`s when under `'use strict'` code
+  * Fix useless type name on auto-generated messages
+  * Support io.js 1.x
+  * Support Node.js 0.12
+
+1.0.0 / 2014-09-17
+==================
+
+  * No changes
+
+0.4.5 / 2014-09-09
+==================
+
+  * Improve call speed to functions using the function wrapper
+  * Support Node.js 0.6
+
+0.4.4 / 2014-07-27
+==================
+
+  * Work-around v8 generating empty stack traces
+
+0.4.3 / 2014-07-26
+==================
+
+  * Fix exception when global `Error.stackTraceLimit` is too low
+
+0.4.2 / 2014-07-19
+==================
+
+  * Correct call site for wrapped functions and properties
+
+0.4.1 / 2014-07-19
+==================
+
+  * Improve automatic message generation for function properties
+
+0.4.0 / 2014-07-19
+==================
+
+  * Add `TRACE_DEPRECATION` environment variable
+  * Remove non-standard grey color from color output
+  * Support `--no-deprecation` argument
+  * Support `--trace-deprecation` argument
+  * Support `deprecate.property(fn, prop, message)`
+
+0.3.0 / 2014-06-16
+==================
+
+  * Add `NO_DEPRECATION` environment variable
+
+0.2.0 / 2014-06-15
+==================
+
+  * Add `deprecate.property(obj, prop, message)`
+  * Remove `supports-color` dependency for node.js 0.8
+
+0.1.0 / 2014-06-15
+==================
+
+  * Add `deprecate.function(fn, message)`
+  * Add `process.on('deprecation', fn)` emitter
+  * Automatically generate message when omitted from `deprecate()`
+
+0.0.1 / 2014-06-15
+==================
+
+  * Fix warning for dynamic calls at singe call site
+
+0.0.0 / 2014-06-15
+==================
+
+  * Initial implementation
diff --git a/node_modules/depd/LICENSE b/node_modules/depd/LICENSE
new file mode 100644
index 000000000..248de7af2
--- /dev/null
+++ b/node_modules/depd/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2014-2018 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/depd/Readme.md b/node_modules/depd/Readme.md
new file mode 100644
index 000000000..043d1ca28
--- /dev/null
+++ b/node_modules/depd/Readme.md
@@ -0,0 +1,280 @@
+# depd
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-image]][node-url]
+[![Linux Build][travis-image]][travis-url]
+[![Windows Build][appveyor-image]][appveyor-url]
+[![Coverage Status][coveralls-image]][coveralls-url]
+
+Deprecate all the things
+
+> With great modules comes great responsibility; mark things deprecated!
+
+## Install
+
+This module is installed directly using `npm`:
+
+```sh
+$ npm install depd
+```
+
+This module can also be bundled with systems like
+[Browserify](http://browserify.org/) or [webpack](https://webpack.github.io/),
+though by default this module will alter it's API to no longer display or
+track deprecations.
+
+## API
+
+<!-- eslint-disable no-unused-vars -->
+
+```js
+var deprecate = require('depd')('my-module')
+```
+
+This library allows you to display deprecation messages to your users.
+This library goes above and beyond with deprecation warnings by
+introspection of the call stack (but only the bits that it is interested
+in).
+
+Instead of just warning on the first invocation of a deprecated
+function and never again, this module will warn on the first invocation
+of a deprecated function per unique call site, making it ideal to alert
+users of all deprecated uses across the code base, rather than just
+whatever happens to execute first.
+
+The deprecation warnings from this module also include the file and line
+information for the call into the module that the deprecated function was
+in.
+
+**NOTE** this library has a similar interface to the `debug` module, and
+this module uses the calling file to get the boundary for the call stacks,
+so you should always create a new `deprecate` object in each file and not
+within some central file.
+
+### depd(namespace)
+
+Create a new deprecate function that uses the given namespace name in the
+messages and will display the call site prior to the stack entering the
+file this function was called from. It is highly suggested you use the
+name of your module as the namespace.
+
+### deprecate(message)
+
+Call this function from deprecated code to display a deprecation message.
+This message will appear once per unique caller site. Caller site is the
+first call site in the stack in a different file from the caller of this
+function.
+
+If the message is omitted, a message is generated for you based on the site
+of the `deprecate()` call and will display the name of the function called,
+similar to the name displayed in a stack trace.
+
+### deprecate.function(fn, message)
+
+Call this function to wrap a given function in a deprecation message on any
+call to the function. An optional message can be supplied to provide a custom
+message.
+
+### deprecate.property(obj, prop, message)
+
+Call this function to wrap a given property on object in a deprecation message
+on any accessing or setting of the property. An optional message can be supplied
+to provide a custom message.
+
+The method must be called on the object where the property belongs (not
+inherited from the prototype).
+
+If the property is a data descriptor, it will be converted to an accessor
+descriptor in order to display the deprecation message.
+
+### process.on('deprecation', fn)
+
+This module will allow easy capturing of deprecation errors by emitting the
+errors as the type "deprecation" on the global `process`. If there are no
+listeners for this type, the errors are written to STDERR as normal, but if
+there are any listeners, nothing will be written to STDERR and instead only
+emitted. From there, you can write the errors in a different format or to a
+logging source.
+
+The error represents the deprecation and is emitted only once with the same
+rules as writing to STDERR. The error has the following properties:
+
+  - `message` - This is the message given by the library
+  - `name` - This is always `'DeprecationError'`
+  - `namespace` - This is the namespace the deprecation came from
+  - `stack` - This is the stack of the call to the deprecated thing
+
+Example `error.stack` output:
+
+```
+DeprecationError: my-cool-module deprecated oldfunction
+    at Object.<anonymous> ([eval]-wrapper:6:22)
+    at Module._compile (module.js:456:26)
+    at evalScript (node.js:532:25)
+    at startup (node.js:80:7)
+    at node.js:902:3
+```
+
+### process.env.NO_DEPRECATION
+
+As a user of modules that are deprecated, the environment variable `NO_DEPRECATION`
+is provided as a quick solution to silencing deprecation warnings from being
+output. The format of this is similar to that of `DEBUG`:
+
+```sh
+$ NO_DEPRECATION=my-module,othermod node app.js
+```
+
+This will suppress deprecations from being output for "my-module" and "othermod".
+The value is a list of comma-separated namespaces. To suppress every warning
+across all namespaces, use the value `*` for a namespace.
+
+Providing the argument `--no-deprecation` to the `node` executable will suppress
+all deprecations (only available in Node.js 0.8 or higher).
+
+**NOTE** This will not suppress the deperecations given to any "deprecation"
+event listeners, just the output to STDERR.
+
+### process.env.TRACE_DEPRECATION
+
+As a user of modules that are deprecated, the environment variable `TRACE_DEPRECATION`
+is provided as a solution to getting more detailed location information in deprecation
+warnings by including the entire stack trace. The format of this is the same as
+`NO_DEPRECATION`:
+
+```sh
+$ TRACE_DEPRECATION=my-module,othermod node app.js
+```
+
+This will include stack traces for deprecations being output for "my-module" and
+"othermod". The value is a list of comma-separated namespaces. To trace every
+warning across all namespaces, use the value `*` for a namespace.
+
+Providing the argument `--trace-deprecation` to the `node` executable will trace
+all deprecations (only available in Node.js 0.8 or higher).
+
+**NOTE** This will not trace the deperecations silenced by `NO_DEPRECATION`.
+
+## Display
+
+![message](files/message.png)
+
+When a user calls a function in your library that you mark deprecated, they
+will see the following written to STDERR (in the given colors, similar colors
+and layout to the `debug` module):
+
+```
+bright cyan    bright yellow
+|              |          reset       cyan
+|              |          |           |
+▼              ▼          ▼           ▼
+my-cool-module deprecated oldfunction [eval]-wrapper:6:22
+▲              ▲          ▲           ▲
+|              |          |           |
+namespace      |          |           location of mycoolmod.oldfunction() call
+               |          deprecation message
+               the word "deprecated"
+```
+
+If the user redirects their STDERR to a file or somewhere that does not support
+colors, they see (similar layout to the `debug` module):
+
+```
+Sun, 15 Jun 2014 05:21:37 GMT my-cool-module deprecated oldfunction at [eval]-wrapper:6:22
+▲                             ▲              ▲          ▲              ▲
+|                             |              |          |              |
+timestamp of message          namespace      |          |             location of mycoolmod.oldfunction() call
+                                             |          deprecation message
+                                             the word "deprecated"
+```
+
+## Examples
+
+### Deprecating all calls to a function
+
+This will display a deprecated message about "oldfunction" being deprecated
+from "my-module" on STDERR.
+
+```js
+var deprecate = require('depd')('my-cool-module')
+
+// message automatically derived from function name
+// Object.oldfunction
+exports.oldfunction = deprecate.function(function oldfunction () {
+  // all calls to function are deprecated
+})
+
+// specific message
+exports.oldfunction = deprecate.function(function () {
+  // all calls to function are deprecated
+}, 'oldfunction')
+```
+
+### Conditionally deprecating a function call
+
+This will display a deprecated message about "weirdfunction" being deprecated
+from "my-module" on STDERR when called with less than 2 arguments.
+
+```js
+var deprecate = require('depd')('my-cool-module')
+
+exports.weirdfunction = function () {
+  if (arguments.length < 2) {
+    // calls with 0 or 1 args are deprecated
+    deprecate('weirdfunction args < 2')
+  }
+}
+```
+
+When calling `deprecate` as a function, the warning is counted per call site
+within your own module, so you can display different deprecations depending
+on different situations and the users will still get all the warnings:
+
+```js
+var deprecate = require('depd')('my-cool-module')
+
+exports.weirdfunction = function () {
+  if (arguments.length < 2) {
+    // calls with 0 or 1 args are deprecated
+    deprecate('weirdfunction args < 2')
+  } else if (typeof arguments[0] !== 'string') {
+    // calls with non-string first argument are deprecated
+    deprecate('weirdfunction non-string first arg')
+  }
+}
+```
+
+### Deprecating property access
+
+This will display a deprecated message about "oldprop" being deprecated
+from "my-module" on STDERR when accessed. A deprecation will be displayed
+when setting the value and when getting the value.
+
+```js
+var deprecate = require('depd')('my-cool-module')
+
+exports.oldprop = 'something'
+
+// message automatically derives from property name
+deprecate.property(exports, 'oldprop')
+
+// explicit message
+deprecate.property(exports, 'oldprop', 'oldprop >= 0.10')
+```
+
+## License
+
+[MIT](LICENSE)
+
+[appveyor-image]: https://badgen.net/appveyor/ci/dougwilson/nodejs-depd/master?label=windows
+[appveyor-url]: https://ci.appveyor.com/project/dougwilson/nodejs-depd
+[coveralls-image]: https://badgen.net/coveralls/c/github/dougwilson/nodejs-depd/master
+[coveralls-url]: https://coveralls.io/r/dougwilson/nodejs-depd?branch=master
+[node-image]: https://badgen.net/npm/node/depd
+[node-url]: https://nodejs.org/en/download/
+[npm-downloads-image]: https://badgen.net/npm/dm/depd
+[npm-url]: https://npmjs.org/package/depd
+[npm-version-image]: https://badgen.net/npm/v/depd
+[travis-image]: https://badgen.net/travis/dougwilson/nodejs-depd/master?label=linux
+[travis-url]: https://travis-ci.org/dougwilson/nodejs-depd
diff --git a/node_modules/depd/index.js b/node_modules/depd/index.js
new file mode 100644
index 000000000..1bf2fcfde
--- /dev/null
+++ b/node_modules/depd/index.js
@@ -0,0 +1,538 @@
+/*!
+ * depd
+ * Copyright(c) 2014-2018 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var relative = require('path').relative
+
+/**
+ * Module exports.
+ */
+
+module.exports = depd
+
+/**
+ * Get the path to base files on.
+ */
+
+var basePath = process.cwd()
+
+/**
+ * Determine if namespace is contained in the string.
+ */
+
+function containsNamespace (str, namespace) {
+  var vals = str.split(/[ ,]+/)
+  var ns = String(namespace).toLowerCase()
+
+  for (var i = 0; i < vals.length; i++) {
+    var val = vals[i]
+
+    // namespace contained
+    if (val && (val === '*' || val.toLowerCase() === ns)) {
+      return true
+    }
+  }
+
+  return false
+}
+
+/**
+ * Convert a data descriptor to accessor descriptor.
+ */
+
+function convertDataDescriptorToAccessor (obj, prop, message) {
+  var descriptor = Object.getOwnPropertyDescriptor(obj, prop)
+  var value = descriptor.value
+
+  descriptor.get = function getter () { return value }
+
+  if (descriptor.writable) {
+    descriptor.set = function setter (val) { return (value = val) }
+  }
+
+  delete descriptor.value
+  delete descriptor.writable
+
+  Object.defineProperty(obj, prop, descriptor)
+
+  return descriptor
+}
+
+/**
+ * Create arguments string to keep arity.
+ */
+
+function createArgumentsString (arity) {
+  var str = ''
+
+  for (var i = 0; i < arity; i++) {
+    str += ', arg' + i
+  }
+
+  return str.substr(2)
+}
+
+/**
+ * Create stack string from stack.
+ */
+
+function createStackString (stack) {
+  var str = this.name + ': ' + this.namespace
+
+  if (this.message) {
+    str += ' deprecated ' + this.message
+  }
+
+  for (var i = 0; i < stack.length; i++) {
+    str += '\n    at ' + stack[i].toString()
+  }
+
+  return str
+}
+
+/**
+ * Create deprecate for namespace in caller.
+ */
+
+function depd (namespace) {
+  if (!namespace) {
+    throw new TypeError('argument namespace is required')
+  }
+
+  var stack = getStack()
+  var site = callSiteLocation(stack[1])
+  var file = site[0]
+
+  function deprecate (message) {
+    // call to self as log
+    log.call(deprecate, message)
+  }
+
+  deprecate._file = file
+  deprecate._ignored = isignored(namespace)
+  deprecate._namespace = namespace
+  deprecate._traced = istraced(namespace)
+  deprecate._warned = Object.create(null)
+
+  deprecate.function = wrapfunction
+  deprecate.property = wrapproperty
+
+  return deprecate
+}
+
+/**
+ * Determine if event emitter has listeners of a given type.
+ *
+ * The way to do this check is done three different ways in Node.js >= 0.8
+ * so this consolidates them into a minimal set using instance methods.
+ *
+ * @param {EventEmitter} emitter
+ * @param {string} type
+ * @returns {boolean}
+ * @private
+ */
+
+function eehaslisteners (emitter, type) {
+  var count = typeof emitter.listenerCount !== 'function'
+    ? emitter.listeners(type).length
+    : emitter.listenerCount(type)
+
+  return count > 0
+}
+
+/**
+ * Determine if namespace is ignored.
+ */
+
+function isignored (namespace) {
+  if (process.noDeprecation) {
+    // --no-deprecation support
+    return true
+  }
+
+  var str = process.env.NO_DEPRECATION || ''
+
+  // namespace ignored
+  return containsNamespace(str, namespace)
+}
+
+/**
+ * Determine if namespace is traced.
+ */
+
+function istraced (namespace) {
+  if (process.traceDeprecation) {
+    // --trace-deprecation support
+    return true
+  }
+
+  var str = process.env.TRACE_DEPRECATION || ''
+
+  // namespace traced
+  return containsNamespace(str, namespace)
+}
+
+/**
+ * Display deprecation message.
+ */
+
+function log (message, site) {
+  var haslisteners = eehaslisteners(process, 'deprecation')
+
+  // abort early if no destination
+  if (!haslisteners && this._ignored) {
+    return
+  }
+
+  var caller
+  var callFile
+  var callSite
+  var depSite
+  var i = 0
+  var seen = false
+  var stack = getStack()
+  var file = this._file
+
+  if (site) {
+    // provided site
+    depSite = site
+    callSite = callSiteLocation(stack[1])
+    callSite.name = depSite.name
+    file = callSite[0]
+  } else {
+    // get call site
+    i = 2
+    depSite = callSiteLocation(stack[i])
+    callSite = depSite
+  }
+
+  // get caller of deprecated thing in relation to file
+  for (; i < stack.length; i++) {
+    caller = callSiteLocation(stack[i])
+    callFile = caller[0]
+
+    if (callFile === file) {
+      seen = true
+    } else if (callFile === this._file) {
+      file = this._file
+    } else if (seen) {
+      break
+    }
+  }
+
+  var key = caller
+    ? depSite.join(':') + '__' + caller.join(':')
+    : undefined
+
+  if (key !== undefined && key in this._warned) {
+    // already warned
+    return
+  }
+
+  this._warned[key] = true
+
+  // generate automatic message from call site
+  var msg = message
+  if (!msg) {
+    msg = callSite === depSite || !callSite.name
+      ? defaultMessage(depSite)
+      : defaultMessage(callSite)
+  }
+
+  // emit deprecation if listeners exist
+  if (haslisteners) {
+    var err = DeprecationError(this._namespace, msg, stack.slice(i))
+    process.emit('deprecation', err)
+    return
+  }
+
+  // format and write message
+  var format = process.stderr.isTTY
+    ? formatColor
+    : formatPlain
+  var output = format.call(this, msg, caller, stack.slice(i))
+  process.stderr.write(output + '\n', 'utf8')
+}
+
+/**
+ * Get call site location as array.
+ */
+
+function callSiteLocation (callSite) {
+  var file = callSite.getFileName() || '<anonymous>'
+  var line = callSite.getLineNumber()
+  var colm = callSite.getColumnNumber()
+
+  if (callSite.isEval()) {
+    file = callSite.getEvalOrigin() + ', ' + file
+  }
+
+  var site = [file, line, colm]
+
+  site.callSite = callSite
+  site.name = callSite.getFunctionName()
+
+  return site
+}
+
+/**
+ * Generate a default message from the site.
+ */
+
+function defaultMessage (site) {
+  var callSite = site.callSite
+  var funcName = site.name
+
+  // make useful anonymous name
+  if (!funcName) {
+    funcName = '<anonymous@' + formatLocation(site) + '>'
+  }
+
+  var context = callSite.getThis()
+  var typeName = context && callSite.getTypeName()
+
+  // ignore useless type name
+  if (typeName === 'Object') {
+    typeName = undefined
+  }
+
+  // make useful type name
+  if (typeName === 'Function') {
+    typeName = context.name || typeName
+  }
+
+  return typeName && callSite.getMethodName()
+    ? typeName + '.' + funcName
+    : funcName
+}
+
+/**
+ * Format deprecation message without color.
+ */
+
+function formatPlain (msg, caller, stack) {
+  var timestamp = new Date().toUTCString()
+
+  var formatted = timestamp +
+    ' ' + this._namespace +
+    ' deprecated ' + msg
+
+  // add stack trace
+  if (this._traced) {
+    for (var i = 0; i < stack.length; i++) {
+      formatted += '\n    at ' + stack[i].toString()
+    }
+
+    return formatted
+  }
+
+  if (caller) {
+    formatted += ' at ' + formatLocation(caller)
+  }
+
+  return formatted
+}
+
+/**
+ * Format deprecation message with color.
+ */
+
+function formatColor (msg, caller, stack) {
+  var formatted = '\x1b[36;1m' + this._namespace + '\x1b[22;39m' + // bold cyan
+    ' \x1b[33;1mdeprecated\x1b[22;39m' + // bold yellow
+    ' \x1b[0m' + msg + '\x1b[39m' // reset
+
+  // add stack trace
+  if (this._traced) {
+    for (var i = 0; i < stack.length; i++) {
+      formatted += '\n    \x1b[36mat ' + stack[i].toString() + '\x1b[39m' // cyan
+    }
+
+    return formatted
+  }
+
+  if (caller) {
+    formatted += ' \x1b[36m' + formatLocation(caller) + '\x1b[39m' // cyan
+  }
+
+  return formatted
+}
+
+/**
+ * Format call site location.
+ */
+
+function formatLocation (callSite) {
+  return relative(basePath, callSite[0]) +
+    ':' + callSite[1] +
+    ':' + callSite[2]
+}
+
+/**
+ * Get the stack as array of call sites.
+ */
+
+function getStack () {
+  var limit = Error.stackTraceLimit
+  var obj = {}
+  var prep = Error.prepareStackTrace
+
+  Error.prepareStackTrace = prepareObjectStackTrace
+  Error.stackTraceLimit = Math.max(10, limit)
+
+  // capture the stack
+  Error.captureStackTrace(obj)
+
+  // slice this function off the top
+  var stack = obj.stack.slice(1)
+
+  Error.prepareStackTrace = prep
+  Error.stackTraceLimit = limit
+
+  return stack
+}
+
+/**
+ * Capture call site stack from v8.
+ */
+
+function prepareObjectStackTrace (obj, stack) {
+  return stack
+}
+
+/**
+ * Return a wrapped function in a deprecation message.
+ */
+
+function wrapfunction (fn, message) {
+  if (typeof fn !== 'function') {
+    throw new TypeError('argument fn must be a function')
+  }
+
+  var args = createArgumentsString(fn.length)
+  var stack = getStack()
+  var site = callSiteLocation(stack[1])
+
+  site.name = fn.name
+
+  // eslint-disable-next-line no-new-func
+  var deprecatedfn = new Function('fn', 'log', 'deprecate', 'message', 'site',
+    '"use strict"\n' +
+    'return function (' + args + ') {' +
+    'log.call(deprecate, message, site)\n' +
+    'return fn.apply(this, arguments)\n' +
+    '}')(fn, log, this, message, site)
+
+  return deprecatedfn
+}
+
+/**
+ * Wrap property in a deprecation message.
+ */
+
+function wrapproperty (obj, prop, message) {
+  if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
+    throw new TypeError('argument obj must be object')
+  }
+
+  var descriptor = Object.getOwnPropertyDescriptor(obj, prop)
+
+  if (!descriptor) {
+    throw new TypeError('must call property on owner object')
+  }
+
+  if (!descriptor.configurable) {
+    throw new TypeError('property must be configurable')
+  }
+
+  var deprecate = this
+  var stack = getStack()
+  var site = callSiteLocation(stack[1])
+
+  // set site name
+  site.name = prop
+
+  // convert data descriptor
+  if ('value' in descriptor) {
+    descriptor = convertDataDescriptorToAccessor(obj, prop, message)
+  }
+
+  var get = descriptor.get
+  var set = descriptor.set
+
+  // wrap getter
+  if (typeof get === 'function') {
+    descriptor.get = function getter () {
+      log.call(deprecate, message, site)
+      return get.apply(this, arguments)
+    }
+  }
+
+  // wrap setter
+  if (typeof set === 'function') {
+    descriptor.set = function setter () {
+      log.call(deprecate, message, site)
+      return set.apply(this, arguments)
+    }
+  }
+
+  Object.defineProperty(obj, prop, descriptor)
+}
+
+/**
+ * Create DeprecationError for deprecation
+ */
+
+function DeprecationError (namespace, message, stack) {
+  var error = new Error()
+  var stackString
+
+  Object.defineProperty(error, 'constructor', {
+    value: DeprecationError
+  })
+
+  Object.defineProperty(error, 'message', {
+    configurable: true,
+    enumerable: false,
+    value: message,
+    writable: true
+  })
+
+  Object.defineProperty(error, 'name', {
+    enumerable: false,
+    configurable: true,
+    value: 'DeprecationError',
+    writable: true
+  })
+
+  Object.defineProperty(error, 'namespace', {
+    configurable: true,
+    enumerable: false,
+    value: namespace,
+    writable: true
+  })
+
+  Object.defineProperty(error, 'stack', {
+    configurable: true,
+    enumerable: false,
+    get: function () {
+      if (stackString !== undefined) {
+        return stackString
+      }
+
+      // prepare stack trace
+      return (stackString = createStackString.call(this, stack))
+    },
+    set: function setter (val) {
+      stackString = val
+    }
+  })
+
+  return error
+}
diff --git a/node_modules/depd/lib/browser/index.js b/node_modules/depd/lib/browser/index.js
new file mode 100644
index 000000000..6be45cc20
--- /dev/null
+++ b/node_modules/depd/lib/browser/index.js
@@ -0,0 +1,77 @@
+/*!
+ * depd
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = depd
+
+/**
+ * Create deprecate for namespace in caller.
+ */
+
+function depd (namespace) {
+  if (!namespace) {
+    throw new TypeError('argument namespace is required')
+  }
+
+  function deprecate (message) {
+    // no-op in browser
+  }
+
+  deprecate._file = undefined
+  deprecate._ignored = true
+  deprecate._namespace = namespace
+  deprecate._traced = false
+  deprecate._warned = Object.create(null)
+
+  deprecate.function = wrapfunction
+  deprecate.property = wrapproperty
+
+  return deprecate
+}
+
+/**
+ * Return a wrapped function in a deprecation message.
+ *
+ * This is a no-op version of the wrapper, which does nothing but call
+ * validation.
+ */
+
+function wrapfunction (fn, message) {
+  if (typeof fn !== 'function') {
+    throw new TypeError('argument fn must be a function')
+  }
+
+  return fn
+}
+
+/**
+ * Wrap property in a deprecation message.
+ *
+ * This is a no-op version of the wrapper, which does nothing but call
+ * validation.
+ */
+
+function wrapproperty (obj, prop, message) {
+  if (!obj || (typeof obj !== 'object' && typeof obj !== 'function')) {
+    throw new TypeError('argument obj must be object')
+  }
+
+  var descriptor = Object.getOwnPropertyDescriptor(obj, prop)
+
+  if (!descriptor) {
+    throw new TypeError('must call property on owner object')
+  }
+
+  if (!descriptor.configurable) {
+    throw new TypeError('property must be configurable')
+  }
+}
diff --git a/node_modules/depd/package.json b/node_modules/depd/package.json
new file mode 100644
index 000000000..3857e1991
--- /dev/null
+++ b/node_modules/depd/package.json
@@ -0,0 +1,45 @@
+{
+  "name": "depd",
+  "description": "Deprecate all the things",
+  "version": "2.0.0",
+  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
+  "license": "MIT",
+  "keywords": [
+    "deprecate",
+    "deprecated"
+  ],
+  "repository": "dougwilson/nodejs-depd",
+  "browser": "lib/browser/index.js",
+  "devDependencies": {
+    "benchmark": "2.1.4",
+    "beautify-benchmark": "0.2.4",
+    "eslint": "5.7.0",
+    "eslint-config-standard": "12.0.0",
+    "eslint-plugin-import": "2.14.0",
+    "eslint-plugin-markdown": "1.0.0-beta.7",
+    "eslint-plugin-node": "7.0.1",
+    "eslint-plugin-promise": "4.0.1",
+    "eslint-plugin-standard": "4.0.0",
+    "istanbul": "0.4.5",
+    "mocha": "5.2.0",
+    "safe-buffer": "5.1.2",
+    "uid-safe": "2.1.5"
+  },
+  "files": [
+    "lib/",
+    "History.md",
+    "LICENSE",
+    "index.js",
+    "Readme.md"
+  ],
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "bench": "node benchmark/index.js",
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --reporter spec --bail test/",
+    "test-ci": "istanbul cover --print=none node_modules/mocha/bin/_mocha -- --reporter spec test/ && istanbul report lcovonly text-summary",
+    "test-cov": "istanbul cover --print=none node_modules/mocha/bin/_mocha -- --reporter dot test/ && istanbul report lcov text-summary"
+  }
+}
diff --git a/node_modules/destroy/LICENSE b/node_modules/destroy/LICENSE
new file mode 100644
index 000000000..0e2c35f0e
--- /dev/null
+++ b/node_modules/destroy/LICENSE
@@ -0,0 +1,23 @@
+
+The MIT License (MIT)
+
+Copyright (c) 2014 Jonathan Ong me@jongleberry.com
+Copyright (c) 2015-2022 Douglas Christopher Wilson doug@somethingdoug.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/destroy/README.md b/node_modules/destroy/README.md
new file mode 100644
index 000000000..e7701aee7
--- /dev/null
+++ b/node_modules/destroy/README.md
@@ -0,0 +1,63 @@
+# destroy
+
+[![NPM version][npm-image]][npm-url]
+[![Build Status][github-actions-ci-image]][github-actions-ci-url]
+[![Test coverage][coveralls-image]][coveralls-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+Destroy a stream.
+
+This module is meant to ensure a stream gets destroyed, handling different APIs
+and Node.js bugs.
+
+## API
+
+```js
+var destroy = require('destroy')
+```
+
+### destroy(stream [, suppress])
+
+Destroy the given stream, and optionally suppress any future `error` events.
+
+In most cases, this is identical to a simple `stream.destroy()` call. The rules
+are as follows for a given stream:
+
+  1. If the `stream` is an instance of `ReadStream`, then call `stream.destroy()`
+     and add a listener to the `open` event to call `stream.close()` if it is
+     fired. This is for a Node.js bug that will leak a file descriptor if
+     `.destroy()` is called before `open`.
+  2. If the `stream` is an instance of a zlib stream, then call `stream.destroy()`
+     and close the underlying zlib handle if open, otherwise call `stream.close()`.
+     This is for consistency across Node.js versions and a Node.js bug that will
+     leak a native zlib handle.
+  3. If the `stream` is not an instance of `Stream`, then nothing happens.
+  4. If the `stream` has a `.destroy()` method, then call it.
+
+The function returns the `stream` passed in as the argument.
+
+## Example
+
+```js
+var destroy = require('destroy')
+
+var fs = require('fs')
+var stream = fs.createReadStream('package.json')
+
+// ... and later
+destroy(stream)
+```
+
+[npm-image]: https://img.shields.io/npm/v/destroy.svg?style=flat-square
+[npm-url]: https://npmjs.org/package/destroy
+[github-tag]: http://img.shields.io/github/tag/stream-utils/destroy.svg?style=flat-square
+[github-url]: https://github.com/stream-utils/destroy/tags
+[coveralls-image]: https://img.shields.io/coveralls/stream-utils/destroy.svg?style=flat-square
+[coveralls-url]: https://coveralls.io/r/stream-utils/destroy?branch=master
+[license-image]: http://img.shields.io/npm/l/destroy.svg?style=flat-square
+[license-url]: LICENSE.md
+[downloads-image]: http://img.shields.io/npm/dm/destroy.svg?style=flat-square
+[downloads-url]: https://npmjs.org/package/destroy
+[github-actions-ci-image]: https://img.shields.io/github/workflow/status/stream-utils/destroy/ci/master?label=ci&style=flat-square
+[github-actions-ci-url]: https://github.com/stream-utils/destroy/actions/workflows/ci.yml
diff --git a/node_modules/destroy/index.js b/node_modules/destroy/index.js
new file mode 100644
index 000000000..7fd5c0936
--- /dev/null
+++ b/node_modules/destroy/index.js
@@ -0,0 +1,209 @@
+/*!
+ * destroy
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015-2022 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var EventEmitter = require('events').EventEmitter
+var ReadStream = require('fs').ReadStream
+var Stream = require('stream')
+var Zlib = require('zlib')
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = destroy
+
+/**
+ * Destroy the given stream, and optionally suppress any future `error` events.
+ *
+ * @param {object} stream
+ * @param {boolean} suppress
+ * @public
+ */
+
+function destroy (stream, suppress) {
+  if (isFsReadStream(stream)) {
+    destroyReadStream(stream)
+  } else if (isZlibStream(stream)) {
+    destroyZlibStream(stream)
+  } else if (hasDestroy(stream)) {
+    stream.destroy()
+  }
+
+  if (isEventEmitter(stream) && suppress) {
+    stream.removeAllListeners('error')
+    stream.addListener('error', noop)
+  }
+
+  return stream
+}
+
+/**
+ * Destroy a ReadStream.
+ *
+ * @param {object} stream
+ * @private
+ */
+
+function destroyReadStream (stream) {
+  stream.destroy()
+
+  if (typeof stream.close === 'function') {
+    // node.js core bug work-around
+    stream.on('open', onOpenClose)
+  }
+}
+
+/**
+ * Close a Zlib stream.
+ *
+ * Zlib streams below Node.js 4.5.5 have a buggy implementation
+ * of .close() when zlib encountered an error.
+ *
+ * @param {object} stream
+ * @private
+ */
+
+function closeZlibStream (stream) {
+  if (stream._hadError === true) {
+    var prop = stream._binding === null
+      ? '_binding'
+      : '_handle'
+
+    stream[prop] = {
+      close: function () { this[prop] = null }
+    }
+  }
+
+  stream.close()
+}
+
+/**
+ * Destroy a Zlib stream.
+ *
+ * Zlib streams don't have a destroy function in Node.js 6. On top of that
+ * simply calling destroy on a zlib stream in Node.js 8+ will result in a
+ * memory leak. So until that is fixed, we need to call both close AND destroy.
+ *
+ * PR to fix memory leak: https://github.com/nodejs/node/pull/23734
+ *
+ * In Node.js 6+8, it's important that destroy is called before close as the
+ * stream would otherwise emit the error 'zlib binding closed'.
+ *
+ * @param {object} stream
+ * @private
+ */
+
+function destroyZlibStream (stream) {
+  if (typeof stream.destroy === 'function') {
+    // node.js core bug work-around
+    // istanbul ignore if: node.js 0.8
+    if (stream._binding) {
+      // node.js < 0.10.0
+      stream.destroy()
+      if (stream._processing) {
+        stream._needDrain = true
+        stream.once('drain', onDrainClearBinding)
+      } else {
+        stream._binding.clear()
+      }
+    } else if (stream._destroy && stream._destroy !== Stream.Transform.prototype._destroy) {
+      // node.js >= 12, ^11.1.0, ^10.15.1
+      stream.destroy()
+    } else if (stream._destroy && typeof stream.close === 'function') {
+      // node.js 7, 8
+      stream.destroyed = true
+      stream.close()
+    } else {
+      // fallback
+      // istanbul ignore next
+      stream.destroy()
+    }
+  } else if (typeof stream.close === 'function') {
+    // node.js < 8 fallback
+    closeZlibStream(stream)
+  }
+}
+
+/**
+ * Determine if stream has destroy.
+ * @private
+ */
+
+function hasDestroy (stream) {
+  return stream instanceof Stream &&
+    typeof stream.destroy === 'function'
+}
+
+/**
+ * Determine if val is EventEmitter.
+ * @private
+ */
+
+function isEventEmitter (val) {
+  return val instanceof EventEmitter
+}
+
+/**
+ * Determine if stream is fs.ReadStream stream.
+ * @private
+ */
+
+function isFsReadStream (stream) {
+  return stream instanceof ReadStream
+}
+
+/**
+ * Determine if stream is Zlib stream.
+ * @private
+ */
+
+function isZlibStream (stream) {
+  return stream instanceof Zlib.Gzip ||
+    stream instanceof Zlib.Gunzip ||
+    stream instanceof Zlib.Deflate ||
+    stream instanceof Zlib.DeflateRaw ||
+    stream instanceof Zlib.Inflate ||
+    stream instanceof Zlib.InflateRaw ||
+    stream instanceof Zlib.Unzip
+}
+
+/**
+ * No-op function.
+ * @private
+ */
+
+function noop () {}
+
+/**
+ * On drain handler to clear binding.
+ * @private
+ */
+
+// istanbul ignore next: node.js 0.8
+function onDrainClearBinding () {
+  this._binding.clear()
+}
+
+/**
+ * On open handler to close stream.
+ * @private
+ */
+
+function onOpenClose () {
+  if (typeof this.fd === 'number') {
+    // actually close down the fd
+    this.close()
+  }
+}
diff --git a/node_modules/destroy/package.json b/node_modules/destroy/package.json
new file mode 100644
index 000000000..c85e43837
--- /dev/null
+++ b/node_modules/destroy/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "destroy",
+  "description": "destroy a stream if possible",
+  "version": "1.2.0",
+  "author": {
+    "name": "Jonathan Ong",
+    "email": "me@jongleberry.com",
+    "url": "http://jongleberry.com",
+    "twitter": "https://twitter.com/jongleberry"
+  },
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>"
+  ],
+  "license": "MIT",
+  "repository": "stream-utils/destroy",
+  "devDependencies": {
+    "eslint": "7.32.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.25.4",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "5.2.0",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "9.2.2",
+    "nyc": "15.1.0"
+  },
+  "engines": {
+    "node": ">= 0.8",
+    "npm": "1.2.8000 || >= 1.4.16"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec",
+    "test-ci": "nyc --reporter=lcovonly --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  },
+  "files": [
+    "index.js",
+    "LICENSE"
+  ],
+  "keywords": [
+    "stream",
+    "streams",
+    "destroy",
+    "cleanup",
+    "leak",
+    "fd"
+  ]
+}
diff --git a/node_modules/dotenv/CHANGELOG.md b/node_modules/dotenv/CHANGELOG.md
new file mode 100644
index 000000000..1b3893d9d
--- /dev/null
+++ b/node_modules/dotenv/CHANGELOG.md
@@ -0,0 +1,210 @@
+# Changelog
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+## [10.0.0](https://github.com/motdotla/dotenv/compare/v9.0.2...v10.0.0) (2021-05-20)
+
+### Added
+
+- Add generic support to parse function
+- Allow for import "dotenv/config.js"
+- Add support to resolve home directory in path via ~
+
+## [9.0.2](https://github.com/motdotla/dotenv/compare/v9.0.1...v9.0.2) (2021-05-10)
+
+### Changed
+
+- Support windows newlines with debug mode
+
+## [9.0.1](https://github.com/motdotla/dotenv/compare/v9.0.0...v9.0.1) (2021-05-08)
+
+### Changed
+
+- Updates to README
+
+## [9.0.0](https://github.com/motdotla/dotenv/compare/v8.6.0...v9.0.0) (2021-05-05)
+
+### Changed
+
+- _Breaking:_ drop support for Node v8
+
+## [8.6.0](https://github.com/motdotla/dotenv/compare/v8.5.1...v8.6.0) (2021-05-05)
+
+### Added
+
+- define package.json in exports
+
+## [8.5.1](https://github.com/motdotla/dotenv/compare/v8.5.0...v8.5.1) (2021-05-05)
+
+### Changed
+
+- updated dev dependencies via npm audit
+
+## [8.5.0](https://github.com/motdotla/dotenv/compare/v8.4.0...v8.5.0) (2021-05-05)
+
+### Added
+
+- allow for `import "dotenv/config"`
+
+## [8.4.0](https://github.com/motdotla/dotenv/compare/v8.3.0...v8.4.0) (2021-05-05)
+
+### Changed
+
+- point to exact types file to work with VS Code
+
+## [8.3.0](https://github.com/motdotla/dotenv/compare/v8.2.0...v8.3.0) (2021-05-05)
+
+### Changed
+
+- _Breaking:_ drop support for Node v8 (mistake to be released as minor bump. later bumped to 9.0.0. see above.)
+
+## [8.2.0](https://github.com/motdotla/dotenv/compare/v8.1.0...v8.2.0) (2019-10-16)
+
+### Added
+
+- TypeScript types
+
+## [8.1.0](https://github.com/motdotla/dotenv/compare/v8.0.0...v8.1.0) (2019-08-18)
+
+### Changed
+
+- _Breaking:_ drop support for Node v6 ([#392](https://github.com/motdotla/dotenv/issues/392))
+
+# [8.0.0](https://github.com/motdotla/dotenv/compare/v7.0.0...v8.0.0) (2019-05-02)
+
+### Changed
+
+- _Breaking:_ drop support for Node v6 ([#302](https://github.com/motdotla/dotenv/issues/392))
+
+## [7.0.0] - 2019-03-12
+
+### Fixed
+
+- Fix removing unbalanced quotes ([#376](https://github.com/motdotla/dotenv/pull/376))
+
+### Removed
+
+- Removed `load` alias for `config` for consistency throughout code and documentation.
+
+## [6.2.0] - 2018-12-03
+
+### Added
+
+- Support preload configuration via environment variables ([#351](https://github.com/motdotla/dotenv/issues/351))
+
+## [6.1.0] - 2018-10-08
+
+### Added
+
+- `debug` option for `config` and `parse` methods will turn on logging
+
+## [6.0.0] - 2018-06-02
+
+### Changed
+
+- _Breaking:_ drop support for Node v4 ([#304](https://github.com/motdotla/dotenv/pull/304))
+
+## [5.0.0] - 2018-01-29
+
+### Added
+
+- Testing against Node v8 and v9
+- Documentation on trim behavior of values
+- Documentation on how to use with `import`
+
+### Changed
+
+- _Breaking_: default `path` is now `path.resolve(process.cwd(), '.env')`
+- _Breaking_: does not write over keys already in `process.env` if the key has a falsy value
+- using `const` and `let` instead of `var`
+
+### Removed
+
+- Testing against Node v7
+
+## [4.0.0] - 2016-12-23
+
+### Changed
+
+- Return Object with parsed content or error instead of false ([#165](https://github.com/motdotla/dotenv/pull/165)).
+
+### Removed
+
+- `verbose` option removed in favor of returning result.
+
+## [3.0.0] - 2016-12-20
+
+### Added
+
+- `verbose` option will log any error messages. Off by default.
+- parses email addresses correctly
+- allow importing config method directly in ES6
+
+### Changed
+
+- Suppress error messages by default ([#154](https://github.com/motdotla/dotenv/pull/154))
+- Ignoring more files for NPM to make package download smaller
+
+### Fixed
+
+- False positive test due to case-sensitive variable ([#124](https://github.com/motdotla/dotenv/pull/124))
+
+### Removed
+
+- `silent` option removed in favor of `verbose`
+
+## [2.0.0] - 2016-01-20
+
+### Added
+
+- CHANGELOG to ["make it easier for users and contributors to see precisely what notable changes have been made between each release"](http://keepachangelog.com/). Linked to from README
+- LICENSE to be more explicit about what was defined in `package.json`. Linked to from README
+- Testing nodejs v4 on travis-ci
+- added examples of how to use dotenv in different ways
+- return parsed object on success rather than boolean true
+
+### Changed
+
+- README has shorter description not referencing ruby gem since we don't have or want feature parity
+
+### Removed
+
+- Variable expansion and escaping so environment variables are encouraged to be fully orthogonal
+
+## [1.2.0] - 2015-06-20
+
+### Added
+
+- Preload hook to require dotenv without including it in your code
+
+### Changed
+
+- clarified license to be "BSD-2-Clause" in `package.json`
+
+### Fixed
+
+- retain spaces in string vars
+
+## [1.1.0] - 2015-03-31
+
+### Added
+
+- Silent option to silence `console.log` when `.env` missing
+
+## [1.0.0] - 2015-03-13
+
+### Removed
+
+- support for multiple `.env` files. should always use one `.env` file for the current environment
+
+[7.0.0]: https://github.com/motdotla/dotenv/compare/v6.2.0...v7.0.0
+[6.2.0]: https://github.com/motdotla/dotenv/compare/v6.1.0...v6.2.0
+[6.1.0]: https://github.com/motdotla/dotenv/compare/v6.0.0...v6.1.0
+[6.0.0]: https://github.com/motdotla/dotenv/compare/v5.0.0...v6.0.0
+[5.0.0]: https://github.com/motdotla/dotenv/compare/v4.0.0...v5.0.0
+[4.0.0]: https://github.com/motdotla/dotenv/compare/v3.0.0...v4.0.0
+[3.0.0]: https://github.com/motdotla/dotenv/compare/v2.0.0...v3.0.0
+[2.0.0]: https://github.com/motdotla/dotenv/compare/v1.2.0...v2.0.0
+[1.2.0]: https://github.com/motdotla/dotenv/compare/v1.1.0...v1.2.0
+[1.1.0]: https://github.com/motdotla/dotenv/compare/v1.0.0...v1.1.0
+[1.0.0]: https://github.com/motdotla/dotenv/compare/v0.4.0...v1.0.0
diff --git a/node_modules/dotenv/LICENSE b/node_modules/dotenv/LICENSE
new file mode 100644
index 000000000..c430ad8bd
--- /dev/null
+++ b/node_modules/dotenv/LICENSE
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Scott Motte
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/dotenv/README.md b/node_modules/dotenv/README.md
new file mode 100644
index 000000000..92c5b57c4
--- /dev/null
+++ b/node_modules/dotenv/README.md
@@ -0,0 +1,275 @@
+<p align="center">
+<strong>Announcement 📣</strong><br/>From the makers that brought you Dotenv, introducing <a href="https://sync.dotenv.org">Dotenv Sync</a>.<br/>Sync your .env files between machines, environments, and team members.<br/><a href="https://sync.dotenv.org">Join the early access list. 🕶</a>
+</p>
+
+# dotenv
+
+<img src="https://raw.githubusercontent.com/motdotla/dotenv/master/dotenv.png" alt="dotenv" align="right" />
+
+Dotenv is a zero-dependency module that loads environment variables from a `.env` file into [`process.env`](https://nodejs.org/docs/latest/api/process.html#process_process_env). Storing configuration in the environment separate from code is based on [The Twelve-Factor App](http://12factor.net/config) methodology.
+
+[![BuildStatus](https://img.shields.io/travis/motdotla/dotenv/master.svg?style=flat-square)](https://travis-ci.org/motdotla/dotenv)
+[![Build status](https://ci.appveyor.com/api/projects/status/github/motdotla/dotenv?svg=true)](https://ci.appveyor.com/project/motdotla/dotenv/branch/master)
+[![NPM version](https://img.shields.io/npm/v/dotenv.svg?style=flat-square)](https://www.npmjs.com/package/dotenv)
+[![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/feross/standard)
+[![Coverage Status](https://img.shields.io/coveralls/motdotla/dotenv/master.svg?style=flat-square)](https://coveralls.io/github/motdotla/dotenv?branch=coverall-intergration)
+[![LICENSE](https://img.shields.io/github/license/motdotla/dotenv.svg)](LICENSE)
+[![Conventional Commits](https://img.shields.io/badge/Conventional%20Commits-1.0.0-yellow.svg)](https://conventionalcommits.org)
+
+## Install
+
+```bash
+# with npm
+npm install dotenv
+
+# or with Yarn
+yarn add dotenv
+```
+
+## Usage
+
+As early as possible in your application, require and configure dotenv.
+
+```javascript
+require('dotenv').config()
+```
+
+Create a `.env` file in the root directory of your project. Add
+environment-specific variables on new lines in the form of `NAME=VALUE`.
+For example:
+
+```dosini
+DB_HOST=localhost
+DB_USER=root
+DB_PASS=s1mpl3
+```
+
+`process.env` now has the keys and values you defined in your `.env` file.
+
+```javascript
+const db = require('db')
+db.connect({
+  host: process.env.DB_HOST,
+  username: process.env.DB_USER,
+  password: process.env.DB_PASS
+})
+```
+
+### Preload
+
+You can use the `--require` (`-r`) [command line option](https://nodejs.org/api/cli.html#cli_r_require_module) to preload dotenv. By doing this, you do not need to require and load dotenv in your application code. This is the preferred approach when using `import` instead of `require`.
+
+```bash
+$ node -r dotenv/config your_script.js
+```
+
+The configuration options below are supported as command line arguments in the format `dotenv_config_<option>=value`
+
+```bash
+$ node -r dotenv/config your_script.js dotenv_config_path=/custom/path/to/.env
+```
+
+Additionally, you can use environment variables to set configuration options. Command line arguments will precede these.
+
+```bash
+$ DOTENV_CONFIG_<OPTION>=value node -r dotenv/config your_script.js
+```
+
+```bash
+$ DOTENV_CONFIG_ENCODING=latin1 node -r dotenv/config your_script.js dotenv_config_path=/custom/path/to/.env
+```
+
+## Config
+
+`config` will read your `.env` file, parse the contents, assign it to
+[`process.env`](https://nodejs.org/docs/latest/api/process.html#process_process_env),
+and return an Object with a `parsed` key containing the loaded content or an `error` key if it failed.
+
+```js
+const result = dotenv.config()
+
+if (result.error) {
+  throw result.error
+}
+
+console.log(result.parsed)
+```
+
+You can additionally, pass options to `config`.
+
+### Options
+
+#### Path
+
+Default: `path.resolve(process.cwd(), '.env')`
+
+You may specify a custom path if your file containing environment variables is located elsewhere.
+
+```js
+require('dotenv').config({ path: '/custom/path/to/.env' })
+```
+
+#### Encoding
+
+Default: `utf8`
+
+You may specify the encoding of your file containing environment variables.
+
+```js
+require('dotenv').config({ encoding: 'latin1' })
+```
+
+#### Debug
+
+Default: `false`
+
+You may turn on logging to help debug why certain keys or values are not being set as you expect.
+
+```js
+require('dotenv').config({ debug: process.env.DEBUG })
+```
+
+## Parse
+
+The engine which parses the contents of your file containing environment
+variables is available to use. It accepts a String or Buffer and will return
+an Object with the parsed keys and values.
+
+```js
+const dotenv = require('dotenv')
+const buf = Buffer.from('BASIC=basic')
+const config = dotenv.parse(buf) // will return an object
+console.log(typeof config, config) // object { BASIC : 'basic' }
+```
+
+### Options
+
+#### Debug
+
+Default: `false`
+
+You may turn on logging to help debug why certain keys or values are not being set as you expect.
+
+```js
+const dotenv = require('dotenv')
+const buf = Buffer.from('hello world')
+const opt = { debug: true }
+const config = dotenv.parse(buf, opt)
+// expect a debug message because the buffer is not in KEY=VAL form
+```
+
+### Rules
+
+The parsing engine currently supports the following rules:
+
+- `BASIC=basic` becomes `{BASIC: 'basic'}`
+- empty lines are skipped
+- lines beginning with `#` are treated as comments
+- empty values become empty strings (`EMPTY=` becomes `{EMPTY: ''}`)
+- inner quotes are maintained (think JSON) (`JSON={"foo": "bar"}` becomes `{JSON:"{\"foo\": \"bar\"}"`)
+- whitespace is removed from both ends of unquoted values (see more on [`trim`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/Trim)) (`FOO=  some value  ` becomes `{FOO: 'some value'}`)
+- single and double quoted values are escaped (`SINGLE_QUOTE='quoted'` becomes `{SINGLE_QUOTE: "quoted"}`)
+- single and double quoted values maintain whitespace from both ends (`FOO="  some value  "` becomes `{FOO: '  some value  '}`)
+- double quoted values expand new lines (`MULTILINE="new\nline"` becomes
+
+```
+{MULTILINE: 'new
+line'}
+```
+
+## FAQ
+
+### Should I commit my `.env` file?
+
+No. We **strongly** recommend against committing your `.env` file to version
+control. It should only include environment-specific values such as database
+passwords or API keys. Your production database should have a different
+password than your development database.
+
+### Should I have multiple `.env` files?
+
+No. We **strongly** recommend against having a "main" `.env` file and an "environment" `.env` file like `.env.test`. Your config should vary between deploys, and you should not be sharing values between environments.
+
+> In a twelve-factor app, env vars are granular controls, each fully orthogonal to other env vars. They are never grouped together as “environments”, but instead are independently managed for each deploy. This is a model that scales up smoothly as the app naturally expands into more deploys over its lifetime.
+>
+> – [The Twelve-Factor App](http://12factor.net/config)
+
+### What happens to environment variables that were already set?
+
+We will never modify any environment variables that have already been set. In particular, if there is a variable in your `.env` file which collides with one that already exists in your environment, then that variable will be skipped. This behavior allows you to override all `.env` configurations with a machine-specific environment, although it is not recommended.
+
+If you want to override `process.env` you can do something like this:
+
+```javascript
+const fs = require('fs')
+const dotenv = require('dotenv')
+const envConfig = dotenv.parse(fs.readFileSync('.env.override'))
+for (const k in envConfig) {
+  process.env[k] = envConfig[k]
+}
+```
+
+### Can I customize/write plugins for dotenv?
+
+For `dotenv@2.x.x`: Yes. `dotenv.config()` now returns an object representing
+the parsed `.env` file. This gives you everything you need to continue
+setting values on `process.env`. For example:
+
+```js
+const dotenv = require('dotenv')
+const variableExpansion = require('dotenv-expand')
+const myEnv = dotenv.config()
+variableExpansion(myEnv)
+```
+
+### What about variable expansion?
+
+Try [dotenv-expand](https://github.com/motdotla/dotenv-expand)
+
+### How do I use dotenv with `import`?
+
+ES2015 and beyond offers modules that allow you to `export` any top-level `function`, `class`, `var`, `let`, or `const`.
+
+> When you run a module containing an `import` declaration, the modules it imports are loaded first, then each module body is executed in a depth-first traversal of the dependency graph, avoiding cycles by skipping anything already executed.
+>
+> – [ES6 In Depth: Modules](https://hacks.mozilla.org/2015/08/es6-in-depth-modules/)
+
+You must run `dotenv.config()` before referencing any environment variables. Here's an example of problematic code:
+
+`errorReporter.js`:
+
+```js
+import { Client } from 'best-error-reporting-service'
+
+export const client = new Client(process.env.BEST_API_KEY)
+```
+
+`index.js`:
+
+```js
+import dotenv from 'dotenv'
+import errorReporter from './errorReporter'
+
+dotenv.config()
+errorReporter.client.report(new Error('faq example'))
+```
+
+`client` will not be configured correctly because it was constructed before `dotenv.config()` was executed. There are (at least) 3 ways to make this work.
+
+1. Preload dotenv: `node --require dotenv/config index.js` (_Note: you do not need to `import` dotenv with this approach_)
+2. Import `dotenv/config` instead of `dotenv` (_Note: you do not need to call `dotenv.config()` and must pass options via the command line or environment variables with this approach_)
+3. Create a separate file that will execute `config` first as outlined in [this comment on #133](https://github.com/motdotla/dotenv/issues/133#issuecomment-255298822)
+
+## Contributing Guide
+
+See [CONTRIBUTING.md](CONTRIBUTING.md)
+
+## Change Log
+
+See [CHANGELOG.md](CHANGELOG.md)
+
+## Who's using dotenv?
+
+[These npm modules depend on it.](https://www.npmjs.com/browse/depended/dotenv)
+
+Projects that expand it often use the [keyword "dotenv" on npm](https://www.npmjs.com/search?q=keywords:dotenv).
diff --git a/node_modules/dotenv/config.js b/node_modules/dotenv/config.js
new file mode 100644
index 000000000..c7e6447fc
--- /dev/null
+++ b/node_modules/dotenv/config.js
@@ -0,0 +1,11 @@
+/* @flow */
+
+(function () {
+  require('./lib/main').config(
+    Object.assign(
+      {},
+      require('./lib/env-options'),
+      require('./lib/cli-options')(process.argv)
+    )
+  )
+})()
diff --git a/node_modules/dotenv/lib/cli-options.js b/node_modules/dotenv/lib/cli-options.js
new file mode 100644
index 000000000..ad69fabd9
--- /dev/null
+++ b/node_modules/dotenv/lib/cli-options.js
@@ -0,0 +1,13 @@
+/* @flow */
+
+const re = /^dotenv_config_(encoding|path|debug)=(.+)$/
+
+module.exports = function optionMatcher (args /*: Array<string> */) {
+  return args.reduce(function (acc, cur) {
+    const matches = cur.match(re)
+    if (matches) {
+      acc[matches[1]] = matches[2]
+    }
+    return acc
+  }, {})
+}
diff --git a/node_modules/dotenv/lib/env-options.js b/node_modules/dotenv/lib/env-options.js
new file mode 100644
index 000000000..b4c4a6068
--- /dev/null
+++ b/node_modules/dotenv/lib/env-options.js
@@ -0,0 +1,18 @@
+/* @flow */
+
+// ../config.js accepts options via environment variables
+const options = {}
+
+if (process.env.DOTENV_CONFIG_ENCODING != null) {
+  options.encoding = process.env.DOTENV_CONFIG_ENCODING
+}
+
+if (process.env.DOTENV_CONFIG_PATH != null) {
+  options.path = process.env.DOTENV_CONFIG_PATH
+}
+
+if (process.env.DOTENV_CONFIG_DEBUG != null) {
+  options.debug = process.env.DOTENV_CONFIG_DEBUG
+}
+
+module.exports = options
diff --git a/node_modules/dotenv/lib/main.js b/node_modules/dotenv/lib/main.js
new file mode 100644
index 000000000..43711f392
--- /dev/null
+++ b/node_modules/dotenv/lib/main.js
@@ -0,0 +1,118 @@
+/* @flow */
+/*::
+
+type DotenvParseOptions = {
+  debug?: boolean
+}
+
+// keys and values from src
+type DotenvParseOutput = { [string]: string }
+
+type DotenvConfigOptions = {
+  path?: string, // path to .env file
+  encoding?: string, // encoding of .env file
+  debug?: string // turn on logging for debugging purposes
+}
+
+type DotenvConfigOutput = {
+  parsed?: DotenvParseOutput,
+  error?: Error
+}
+
+*/
+
+const fs = require('fs')
+const path = require('path')
+const os = require('os')
+
+function log (message /*: string */) {
+  console.log(`[dotenv][DEBUG] ${message}`)
+}
+
+const NEWLINE = '\n'
+const RE_INI_KEY_VAL = /^\s*([\w.-]+)\s*=\s*(.*)?\s*$/
+const RE_NEWLINES = /\\n/g
+const NEWLINES_MATCH = /\r\n|\n|\r/
+
+// Parses src into an Object
+function parse (src /*: string | Buffer */, options /*: ?DotenvParseOptions */) /*: DotenvParseOutput */ {
+  const debug = Boolean(options && options.debug)
+  const obj = {}
+
+  // convert Buffers before splitting into lines and processing
+  src.toString().split(NEWLINES_MATCH).forEach(function (line, idx) {
+    // matching "KEY' and 'VAL' in 'KEY=VAL'
+    const keyValueArr = line.match(RE_INI_KEY_VAL)
+    // matched?
+    if (keyValueArr != null) {
+      const key = keyValueArr[1]
+      // default undefined or missing values to empty string
+      let val = (keyValueArr[2] || '')
+      const end = val.length - 1
+      const isDoubleQuoted = val[0] === '"' && val[end] === '"'
+      const isSingleQuoted = val[0] === "'" && val[end] === "'"
+
+      // if single or double quoted, remove quotes
+      if (isSingleQuoted || isDoubleQuoted) {
+        val = val.substring(1, end)
+
+        // if double quoted, expand newlines
+        if (isDoubleQuoted) {
+          val = val.replace(RE_NEWLINES, NEWLINE)
+        }
+      } else {
+        // remove surrounding whitespace
+        val = val.trim()
+      }
+
+      obj[key] = val
+    } else if (debug) {
+      log(`did not match key and value when parsing line ${idx + 1}: ${line}`)
+    }
+  })
+
+  return obj
+}
+
+function resolveHome (envPath) {
+  return envPath[0] === '~' ? path.join(os.homedir(), envPath.slice(1)) : envPath
+}
+
+// Populates process.env from .env file
+function config (options /*: ?DotenvConfigOptions */) /*: DotenvConfigOutput */ {
+  let dotenvPath = path.resolve(process.cwd(), '.env')
+  let encoding /*: string */ = 'utf8'
+  let debug = false
+
+  if (options) {
+    if (options.path != null) {
+      dotenvPath = resolveHome(options.path)
+    }
+    if (options.encoding != null) {
+      encoding = options.encoding
+    }
+    if (options.debug != null) {
+      debug = true
+    }
+  }
+
+  try {
+    // specifying an encoding returns a string instead of a buffer
+    const parsed = parse(fs.readFileSync(dotenvPath, { encoding }), { debug })
+
+    Object.keys(parsed).forEach(function (key) {
+      if (!Object.prototype.hasOwnProperty.call(process.env, key)) {
+        process.env[key] = parsed[key]
+      } else if (debug) {
+        log(`"${key}" is already defined in \`process.env\` and will not be overwritten`)
+      }
+    })
+
+    return { parsed }
+  } catch (e) {
+    return { error: e }
+  }
+}
+
+module.exports.config = config
+module.exports.parse = parse
diff --git a/node_modules/dotenv/package.json b/node_modules/dotenv/package.json
new file mode 100644
index 000000000..85ff8d713
--- /dev/null
+++ b/node_modules/dotenv/package.json
@@ -0,0 +1,57 @@
+{
+  "name": "dotenv",
+  "version": "10.0.0",
+  "description": "Loads environment variables from .env file",
+  "main": "lib/main.js",
+  "exports": {
+    ".": "./lib/main.js",
+    "./config": "./config.js",
+    "./config.js": "./config.js",
+    "./package.json": "./package.json"
+  },
+  "types": "types/index.d.ts",
+  "scripts": {
+    "flow": "flow",
+    "dtslint": "dtslint types",
+    "lint": "standard",
+    "postlint": "standard-markdown",
+    "pretest": "npm run lint && npm run dtslint",
+    "test": "tap tests/*.js --100",
+    "prerelease": "npm test",
+    "release": "standard-version"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/motdotla/dotenv.git"
+  },
+  "keywords": [
+    "dotenv",
+    "env",
+    ".env",
+    "environment",
+    "variables",
+    "config",
+    "settings"
+  ],
+  "readmeFilename": "README.md",
+  "license": "BSD-2-Clause",
+  "devDependencies": {
+    "decache": "^4.5.1",
+    "dtslint": "^0.9.8",
+    "flow-bin": "^0.109.0",
+    "sinon": "^7.5.0",
+    "standard": "^13.1.0",
+    "standard-markdown": "^5.1.0",
+    "standard-version": "^7.0.0",
+    "tap": "^14.7.0"
+  },
+  "dependencies": {},
+  "engines": {
+    "node": ">=10"
+  },
+  "standard": {
+    "ignore": [
+      "flow-typed/"
+    ]
+  }
+}
diff --git a/node_modules/dotenv/types/index.d.ts b/node_modules/dotenv/types/index.d.ts
new file mode 100644
index 000000000..6a9a49b7f
--- /dev/null
+++ b/node_modules/dotenv/types/index.d.ts
@@ -0,0 +1,59 @@
+// TypeScript Version: 3.0
+/// <reference types="node" />
+
+export interface DotenvParseOptions {
+  /**
+   * You may turn on logging to help debug why certain keys or values are not being set as you expect.
+   */
+  debug?: boolean;
+}
+
+export interface DotenvParseOutput {
+  [name: string]: string;
+}
+
+/**
+ * Parses a string or buffer in the .env file format into an object.
+ *
+ * @param src - contents to be parsed
+ * @param options - additional options
+ * @returns an object with keys and values based on `src`
+ */
+export function parse<T extends DotenvParseOutput = DotenvParseOutput>(
+  src: string | Buffer,
+  options?: DotenvParseOptions
+): T;
+
+export interface DotenvConfigOptions {
+  /**
+   * You may specify a custom path if your file containing environment variables is located elsewhere.
+   */
+  path?: string;
+
+  /**
+   * You may specify the encoding of your file containing environment variables.
+   */
+  encoding?: string;
+
+  /**
+   * You may turn on logging to help debug why certain keys or values are not being set as you expect.
+   */
+  debug?: boolean;
+}
+
+export interface DotenvConfigOutput {
+  error?: Error;
+  parsed?: DotenvParseOutput;
+}
+
+/**
+ * Loads `.env` file contents into {@link https://nodejs.org/api/process.html#process_process_env `process.env`}.
+ * Example: 'KEY=value' becomes { parsed: { KEY: 'value' } }
+ *
+ * @param options - controls behavior
+ * @returns an object with a `parsed` key if successful or `error` key if an error occurred
+ *
+ */
+export function config(options?: DotenvConfigOptions): DotenvConfigOutput;
+/** @deprecated since v7.0.0 Use config instead. */
+export const load: typeof config;
diff --git a/node_modules/dotenv/types/test.ts b/node_modules/dotenv/types/test.ts
new file mode 100644
index 000000000..bce092093
--- /dev/null
+++ b/node_modules/dotenv/types/test.ts
@@ -0,0 +1,19 @@
+import { config, parse } from "dotenv";
+
+const env = config();
+const dbUrl: string | null =
+  env.error || !env.parsed ? null : env.parsed["BASIC"];
+
+config({
+  path: ".env-example",
+  encoding: "utf8",
+  debug: true
+});
+
+const parsed = parse("NODE_ENV=production\nDB_HOST=a.b.c");
+const dbHost: string = parsed["DB_HOST"];
+
+const parsedFromBuffer = parse(new Buffer("JUSTICE=league\n"), {
+  debug: true
+});
+const justice: string = parsedFromBuffer["JUSTICE"];
diff --git a/node_modules/dotenv/types/tsconfig.json b/node_modules/dotenv/types/tsconfig.json
new file mode 100644
index 000000000..012b05dd0
--- /dev/null
+++ b/node_modules/dotenv/types/tsconfig.json
@@ -0,0 +1,15 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "lib": ["es6"],
+    "noImplicitAny": true,
+    "noImplicitThis": true,
+    "strictNullChecks": true,
+    "strictFunctionTypes": true,
+    "noEmit": true,
+    "baseUrl": ".",
+    "paths": {
+      "dotenv": ["."]
+    }
+  }
+}
diff --git a/node_modules/dotenv/types/tslint.json b/node_modules/dotenv/types/tslint.json
new file mode 100644
index 000000000..c634f996e
--- /dev/null
+++ b/node_modules/dotenv/types/tslint.json
@@ -0,0 +1,6 @@
+{
+  "extends": "dtslint/dtslint.json",
+  "rules": {
+    "strict-export-declare-modifiers": false
+  }
+}
diff --git a/node_modules/ecc-jsbn/LICENSE b/node_modules/ecc-jsbn/LICENSE
new file mode 100644
index 000000000..f668fefc6
--- /dev/null
+++ b/node_modules/ecc-jsbn/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Jeremie Miller
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/ecc-jsbn/README.md b/node_modules/ecc-jsbn/README.md
new file mode 100644
index 000000000..b5d0b9de9
--- /dev/null
+++ b/node_modules/ecc-jsbn/README.md
@@ -0,0 +1,8 @@
+ecc-jsbn
+========
+
+ECC package based on [jsbn](https://github.com/andyperlitch/jsbn) from [Tom Wu](http://www-cs-students.stanford.edu/~tjw/).
+
+This is a subset of the same interface as the [node compiled module](https://github.com/quartzjer/ecc), but works in the browser too.
+
+Also uses point compression now from [https://github.com/kaielvin](https://github.com/kaielvin/jsbn-ec-point-compression).
diff --git a/node_modules/ecc-jsbn/index.js b/node_modules/ecc-jsbn/index.js
new file mode 100644
index 000000000..fb19a1d6f
--- /dev/null
+++ b/node_modules/ecc-jsbn/index.js
@@ -0,0 +1,58 @@
+var crypto = require("crypto");
+var BigInteger = require("jsbn").BigInteger;
+var ECPointFp = require("./lib/ec.js").ECPointFp;
+var Buffer = require("safer-buffer").Buffer;
+exports.ECCurves = require("./lib/sec.js");
+
+// zero prepad
+function unstupid(hex,len)
+{
+	return (hex.length >= len) ? hex : unstupid("0"+hex,len);
+}
+
+exports.ECKey = function(curve, key, isPublic)
+{
+  var priv;
+	var c = curve();
+	var n = c.getN();
+  var bytes = Math.floor(n.bitLength()/8);
+
+  if(key)
+  {
+    if(isPublic)
+    {
+      var curve = c.getCurve();
+//      var x = key.slice(1,bytes+1); // skip the 04 for uncompressed format
+//      var y = key.slice(bytes+1);
+//      this.P = new ECPointFp(curve,
+//        curve.fromBigInteger(new BigInteger(x.toString("hex"), 16)),
+//        curve.fromBigInteger(new BigInteger(y.toString("hex"), 16)));      
+      this.P = curve.decodePointHex(key.toString("hex"));
+    }else{
+      if(key.length != bytes) return false;
+      priv = new BigInteger(key.toString("hex"), 16);      
+    }
+  }else{
+    var n1 = n.subtract(BigInteger.ONE);
+    var r = new BigInteger(crypto.randomBytes(n.bitLength()));
+    priv = r.mod(n1).add(BigInteger.ONE);
+    this.P = c.getG().multiply(priv);
+  }
+  if(this.P)
+  {
+//  var pubhex = unstupid(this.P.getX().toBigInteger().toString(16),bytes*2)+unstupid(this.P.getY().toBigInteger().toString(16),bytes*2);
+//  this.PublicKey = Buffer.from("04"+pubhex,"hex");
+    this.PublicKey = Buffer.from(c.getCurve().encodeCompressedPointHex(this.P),"hex");
+  }
+  if(priv)
+  {
+    this.PrivateKey = Buffer.from(unstupid(priv.toString(16),bytes*2),"hex");
+    this.deriveSharedSecret = function(key)
+    {
+      if(!key || !key.P) return false;
+      var S = key.P.multiply(priv);
+      return Buffer.from(unstupid(S.getX().toBigInteger().toString(16),bytes*2),"hex");
+   }     
+  }
+}
+
diff --git a/node_modules/ecc-jsbn/lib/LICENSE-jsbn b/node_modules/ecc-jsbn/lib/LICENSE-jsbn
new file mode 100644
index 000000000..24502a9cf
--- /dev/null
+++ b/node_modules/ecc-jsbn/lib/LICENSE-jsbn
@@ -0,0 +1,40 @@
+Licensing
+---------
+
+This software is covered under the following copyright:
+
+/*
+ * Copyright (c) 2003-2005  Tom Wu
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+ *
+ * IN NO EVENT SHALL TOM WU BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT ADVISED OF
+ * THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * In addition, the following condition applies:
+ *
+ * All redistributions must retain an intact copy of this copyright notice
+ * and disclaimer.
+ */
+
+Address all questions regarding this license to:
+
+  Tom Wu
+  tjw@cs.Stanford.EDU
diff --git a/node_modules/ecc-jsbn/lib/ec.js b/node_modules/ecc-jsbn/lib/ec.js
new file mode 100644
index 000000000..3852671ec
--- /dev/null
+++ b/node_modules/ecc-jsbn/lib/ec.js
@@ -0,0 +1,561 @@
+// Basic Javascript Elliptic Curve implementation
+// Ported loosely from BouncyCastle's Java EC code
+// Only Fp curves implemented for now
+
+// Requires jsbn.js and jsbn2.js
+var BigInteger = require('jsbn').BigInteger
+var Barrett = BigInteger.prototype.Barrett
+
+// ----------------
+// ECFieldElementFp
+
+// constructor
+function ECFieldElementFp(q,x) {
+    this.x = x;
+    // TODO if(x.compareTo(q) >= 0) error
+    this.q = q;
+}
+
+function feFpEquals(other) {
+    if(other == this) return true;
+    return (this.q.equals(other.q) && this.x.equals(other.x));
+}
+
+function feFpToBigInteger() {
+    return this.x;
+}
+
+function feFpNegate() {
+    return new ECFieldElementFp(this.q, this.x.negate().mod(this.q));
+}
+
+function feFpAdd(b) {
+    return new ECFieldElementFp(this.q, this.x.add(b.toBigInteger()).mod(this.q));
+}
+
+function feFpSubtract(b) {
+    return new ECFieldElementFp(this.q, this.x.subtract(b.toBigInteger()).mod(this.q));
+}
+
+function feFpMultiply(b) {
+    return new ECFieldElementFp(this.q, this.x.multiply(b.toBigInteger()).mod(this.q));
+}
+
+function feFpSquare() {
+    return new ECFieldElementFp(this.q, this.x.square().mod(this.q));
+}
+
+function feFpDivide(b) {
+    return new ECFieldElementFp(this.q, this.x.multiply(b.toBigInteger().modInverse(this.q)).mod(this.q));
+}
+
+ECFieldElementFp.prototype.equals = feFpEquals;
+ECFieldElementFp.prototype.toBigInteger = feFpToBigInteger;
+ECFieldElementFp.prototype.negate = feFpNegate;
+ECFieldElementFp.prototype.add = feFpAdd;
+ECFieldElementFp.prototype.subtract = feFpSubtract;
+ECFieldElementFp.prototype.multiply = feFpMultiply;
+ECFieldElementFp.prototype.square = feFpSquare;
+ECFieldElementFp.prototype.divide = feFpDivide;
+
+// ----------------
+// ECPointFp
+
+// constructor
+function ECPointFp(curve,x,y,z) {
+    this.curve = curve;
+    this.x = x;
+    this.y = y;
+    // Projective coordinates: either zinv == null or z * zinv == 1
+    // z and zinv are just BigIntegers, not fieldElements
+    if(z == null) {
+      this.z = BigInteger.ONE;
+    }
+    else {
+      this.z = z;
+    }
+    this.zinv = null;
+    //TODO: compression flag
+}
+
+function pointFpGetX() {
+    if(this.zinv == null) {
+      this.zinv = this.z.modInverse(this.curve.q);
+    }
+    var r = this.x.toBigInteger().multiply(this.zinv);
+    this.curve.reduce(r);
+    return this.curve.fromBigInteger(r);
+}
+
+function pointFpGetY() {
+    if(this.zinv == null) {
+      this.zinv = this.z.modInverse(this.curve.q);
+    }
+    var r = this.y.toBigInteger().multiply(this.zinv);
+    this.curve.reduce(r);
+    return this.curve.fromBigInteger(r);
+}
+
+function pointFpEquals(other) {
+    if(other == this) return true;
+    if(this.isInfinity()) return other.isInfinity();
+    if(other.isInfinity()) return this.isInfinity();
+    var u, v;
+    // u = Y2 * Z1 - Y1 * Z2
+    u = other.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(other.z)).mod(this.curve.q);
+    if(!u.equals(BigInteger.ZERO)) return false;
+    // v = X2 * Z1 - X1 * Z2
+    v = other.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(other.z)).mod(this.curve.q);
+    return v.equals(BigInteger.ZERO);
+}
+
+function pointFpIsInfinity() {
+    if((this.x == null) && (this.y == null)) return true;
+    return this.z.equals(BigInteger.ZERO) && !this.y.toBigInteger().equals(BigInteger.ZERO);
+}
+
+function pointFpNegate() {
+    return new ECPointFp(this.curve, this.x, this.y.negate(), this.z);
+}
+
+function pointFpAdd(b) {
+    if(this.isInfinity()) return b;
+    if(b.isInfinity()) return this;
+
+    // u = Y2 * Z1 - Y1 * Z2
+    var u = b.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(b.z)).mod(this.curve.q);
+    // v = X2 * Z1 - X1 * Z2
+    var v = b.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(b.z)).mod(this.curve.q);
+
+    if(BigInteger.ZERO.equals(v)) {
+        if(BigInteger.ZERO.equals(u)) {
+            return this.twice(); // this == b, so double
+        }
+	return this.curve.getInfinity(); // this = -b, so infinity
+    }
+
+    var THREE = new BigInteger("3");
+    var x1 = this.x.toBigInteger();
+    var y1 = this.y.toBigInteger();
+    var x2 = b.x.toBigInteger();
+    var y2 = b.y.toBigInteger();
+
+    var v2 = v.square();
+    var v3 = v2.multiply(v);
+    var x1v2 = x1.multiply(v2);
+    var zu2 = u.square().multiply(this.z);
+
+    // x3 = v * (z2 * (z1 * u^2 - 2 * x1 * v^2) - v^3)
+    var x3 = zu2.subtract(x1v2.shiftLeft(1)).multiply(b.z).subtract(v3).multiply(v).mod(this.curve.q);
+    // y3 = z2 * (3 * x1 * u * v^2 - y1 * v^3 - z1 * u^3) + u * v^3
+    var y3 = x1v2.multiply(THREE).multiply(u).subtract(y1.multiply(v3)).subtract(zu2.multiply(u)).multiply(b.z).add(u.multiply(v3)).mod(this.curve.q);
+    // z3 = v^3 * z1 * z2
+    var z3 = v3.multiply(this.z).multiply(b.z).mod(this.curve.q);
+
+    return new ECPointFp(this.curve, this.curve.fromBigInteger(x3), this.curve.fromBigInteger(y3), z3);
+}
+
+function pointFpTwice() {
+    if(this.isInfinity()) return this;
+    if(this.y.toBigInteger().signum() == 0) return this.curve.getInfinity();
+
+    // TODO: optimized handling of constants
+    var THREE = new BigInteger("3");
+    var x1 = this.x.toBigInteger();
+    var y1 = this.y.toBigInteger();
+
+    var y1z1 = y1.multiply(this.z);
+    var y1sqz1 = y1z1.multiply(y1).mod(this.curve.q);
+    var a = this.curve.a.toBigInteger();
+
+    // w = 3 * x1^2 + a * z1^2
+    var w = x1.square().multiply(THREE);
+    if(!BigInteger.ZERO.equals(a)) {
+      w = w.add(this.z.square().multiply(a));
+    }
+    w = w.mod(this.curve.q);
+    //this.curve.reduce(w);
+    // x3 = 2 * y1 * z1 * (w^2 - 8 * x1 * y1^2 * z1)
+    var x3 = w.square().subtract(x1.shiftLeft(3).multiply(y1sqz1)).shiftLeft(1).multiply(y1z1).mod(this.curve.q);
+    // y3 = 4 * y1^2 * z1 * (3 * w * x1 - 2 * y1^2 * z1) - w^3
+    var y3 = w.multiply(THREE).multiply(x1).subtract(y1sqz1.shiftLeft(1)).shiftLeft(2).multiply(y1sqz1).subtract(w.square().multiply(w)).mod(this.curve.q);
+    // z3 = 8 * (y1 * z1)^3
+    var z3 = y1z1.square().multiply(y1z1).shiftLeft(3).mod(this.curve.q);
+
+    return new ECPointFp(this.curve, this.curve.fromBigInteger(x3), this.curve.fromBigInteger(y3), z3);
+}
+
+// Simple NAF (Non-Adjacent Form) multiplication algorithm
+// TODO: modularize the multiplication algorithm
+function pointFpMultiply(k) {
+    if(this.isInfinity()) return this;
+    if(k.signum() == 0) return this.curve.getInfinity();
+
+    var e = k;
+    var h = e.multiply(new BigInteger("3"));
+
+    var neg = this.negate();
+    var R = this;
+
+    var i;
+    for(i = h.bitLength() - 2; i > 0; --i) {
+	R = R.twice();
+
+	var hBit = h.testBit(i);
+	var eBit = e.testBit(i);
+
+	if (hBit != eBit) {
+	    R = R.add(hBit ? this : neg);
+	}
+    }
+
+    return R;
+}
+
+// Compute this*j + x*k (simultaneous multiplication)
+function pointFpMultiplyTwo(j,x,k) {
+  var i;
+  if(j.bitLength() > k.bitLength())
+    i = j.bitLength() - 1;
+  else
+    i = k.bitLength() - 1;
+
+  var R = this.curve.getInfinity();
+  var both = this.add(x);
+  while(i >= 0) {
+    R = R.twice();
+    if(j.testBit(i)) {
+      if(k.testBit(i)) {
+        R = R.add(both);
+      }
+      else {
+        R = R.add(this);
+      }
+    }
+    else {
+      if(k.testBit(i)) {
+        R = R.add(x);
+      }
+    }
+    --i;
+  }
+
+  return R;
+}
+
+ECPointFp.prototype.getX = pointFpGetX;
+ECPointFp.prototype.getY = pointFpGetY;
+ECPointFp.prototype.equals = pointFpEquals;
+ECPointFp.prototype.isInfinity = pointFpIsInfinity;
+ECPointFp.prototype.negate = pointFpNegate;
+ECPointFp.prototype.add = pointFpAdd;
+ECPointFp.prototype.twice = pointFpTwice;
+ECPointFp.prototype.multiply = pointFpMultiply;
+ECPointFp.prototype.multiplyTwo = pointFpMultiplyTwo;
+
+// ----------------
+// ECCurveFp
+
+// constructor
+function ECCurveFp(q,a,b) {
+    this.q = q;
+    this.a = this.fromBigInteger(a);
+    this.b = this.fromBigInteger(b);
+    this.infinity = new ECPointFp(this, null, null);
+    this.reducer = new Barrett(this.q);
+}
+
+function curveFpGetQ() {
+    return this.q;
+}
+
+function curveFpGetA() {
+    return this.a;
+}
+
+function curveFpGetB() {
+    return this.b;
+}
+
+function curveFpEquals(other) {
+    if(other == this) return true;
+    return(this.q.equals(other.q) && this.a.equals(other.a) && this.b.equals(other.b));
+}
+
+function curveFpGetInfinity() {
+    return this.infinity;
+}
+
+function curveFpFromBigInteger(x) {
+    return new ECFieldElementFp(this.q, x);
+}
+
+function curveReduce(x) {
+    this.reducer.reduce(x);
+}
+
+// for now, work with hex strings because they're easier in JS
+function curveFpDecodePointHex(s) {
+    switch(parseInt(s.substr(0,2), 16)) { // first byte
+    case 0:
+	return this.infinity;
+    case 2:
+    case 3:
+	// point compression not supported yet
+	return null;
+    case 4:
+    case 6:
+    case 7:
+	var len = (s.length - 2) / 2;
+	var xHex = s.substr(2, len);
+	var yHex = s.substr(len+2, len);
+
+	return new ECPointFp(this,
+			     this.fromBigInteger(new BigInteger(xHex, 16)),
+			     this.fromBigInteger(new BigInteger(yHex, 16)));
+
+    default: // unsupported
+	return null;
+    }
+}
+
+function curveFpEncodePointHex(p) {
+	if (p.isInfinity()) return "00";
+	var xHex = p.getX().toBigInteger().toString(16);
+	var yHex = p.getY().toBigInteger().toString(16);
+	var oLen = this.getQ().toString(16).length;
+	if ((oLen % 2) != 0) oLen++;
+	while (xHex.length < oLen) {
+		xHex = "0" + xHex;
+	}
+	while (yHex.length < oLen) {
+		yHex = "0" + yHex;
+	}
+	return "04" + xHex + yHex;
+}
+
+ECCurveFp.prototype.getQ = curveFpGetQ;
+ECCurveFp.prototype.getA = curveFpGetA;
+ECCurveFp.prototype.getB = curveFpGetB;
+ECCurveFp.prototype.equals = curveFpEquals;
+ECCurveFp.prototype.getInfinity = curveFpGetInfinity;
+ECCurveFp.prototype.fromBigInteger = curveFpFromBigInteger;
+ECCurveFp.prototype.reduce = curveReduce;
+//ECCurveFp.prototype.decodePointHex = curveFpDecodePointHex;
+ECCurveFp.prototype.encodePointHex = curveFpEncodePointHex;
+
+// from: https://github.com/kaielvin/jsbn-ec-point-compression
+ECCurveFp.prototype.decodePointHex = function(s)
+{
+	var yIsEven;
+    switch(parseInt(s.substr(0,2), 16)) { // first byte
+    case 0:
+	return this.infinity;
+    case 2:
+	yIsEven = false;
+    case 3:
+	if(yIsEven == undefined) yIsEven = true;
+	var len = s.length - 2;
+	var xHex = s.substr(2, len);
+	var x = this.fromBigInteger(new BigInteger(xHex,16));
+	var alpha = x.multiply(x.square().add(this.getA())).add(this.getB());
+	var beta = alpha.sqrt();
+
+    if (beta == null) throw "Invalid point compression";
+
+    var betaValue = beta.toBigInteger();
+    if (betaValue.testBit(0) != yIsEven)
+    {
+        // Use the other root
+        beta = this.fromBigInteger(this.getQ().subtract(betaValue));
+    }
+    return new ECPointFp(this,x,beta);
+    case 4:
+    case 6:
+    case 7:
+	var len = (s.length - 2) / 2;
+	var xHex = s.substr(2, len);
+	var yHex = s.substr(len+2, len);
+
+	return new ECPointFp(this,
+			     this.fromBigInteger(new BigInteger(xHex, 16)),
+			     this.fromBigInteger(new BigInteger(yHex, 16)));
+
+    default: // unsupported
+	return null;
+    }
+}
+ECCurveFp.prototype.encodeCompressedPointHex = function(p)
+{
+	if (p.isInfinity()) return "00";
+	var xHex = p.getX().toBigInteger().toString(16);
+	var oLen = this.getQ().toString(16).length;
+	if ((oLen % 2) != 0) oLen++;
+	while (xHex.length < oLen)
+		xHex = "0" + xHex;
+	var yPrefix;
+	if(p.getY().toBigInteger().isEven()) yPrefix = "02";
+	else                                 yPrefix = "03";
+
+	return yPrefix + xHex;
+}
+
+
+ECFieldElementFp.prototype.getR = function()
+{
+	if(this.r != undefined) return this.r;
+
+    this.r = null;
+    var bitLength = this.q.bitLength();
+    if (bitLength > 128)
+    {
+        var firstWord = this.q.shiftRight(bitLength - 64);
+        if (firstWord.intValue() == -1)
+        {
+            this.r = BigInteger.ONE.shiftLeft(bitLength).subtract(this.q);
+        }
+    }
+    return this.r;
+}
+ECFieldElementFp.prototype.modMult = function(x1,x2)
+{
+    return this.modReduce(x1.multiply(x2));
+}
+ECFieldElementFp.prototype.modReduce = function(x)
+{
+    if (this.getR() != null)
+    {
+        var qLen = q.bitLength();
+        while (x.bitLength() > (qLen + 1))
+        {
+            var u = x.shiftRight(qLen);
+            var v = x.subtract(u.shiftLeft(qLen));
+            if (!this.getR().equals(BigInteger.ONE))
+            {
+                u = u.multiply(this.getR());
+            }
+            x = u.add(v); 
+        }
+        while (x.compareTo(q) >= 0)
+        {
+            x = x.subtract(q);
+        }
+    }
+    else
+    {
+        x = x.mod(q);
+    }
+    return x;
+}
+ECFieldElementFp.prototype.sqrt = function()
+{
+    if (!this.q.testBit(0)) throw "unsupported";
+
+    // p mod 4 == 3
+    if (this.q.testBit(1))
+    {
+    	var z = new ECFieldElementFp(this.q,this.x.modPow(this.q.shiftRight(2).add(BigInteger.ONE),this.q));
+    	return z.square().equals(this) ? z : null;
+    }
+
+    // p mod 4 == 1
+    var qMinusOne = this.q.subtract(BigInteger.ONE);
+
+    var legendreExponent = qMinusOne.shiftRight(1);
+    if (!(this.x.modPow(legendreExponent, this.q).equals(BigInteger.ONE)))
+    {
+        return null;
+    }
+
+    var u = qMinusOne.shiftRight(2);
+    var k = u.shiftLeft(1).add(BigInteger.ONE);
+
+    var Q = this.x;
+    var fourQ = modDouble(modDouble(Q));
+
+    var U, V;
+    do
+    {
+        var P;
+        do
+        {
+            P = new BigInteger(this.q.bitLength(), new SecureRandom());
+        }
+        while (P.compareTo(this.q) >= 0
+            || !(P.multiply(P).subtract(fourQ).modPow(legendreExponent, this.q).equals(qMinusOne)));
+
+        var result = this.lucasSequence(P, Q, k);
+        U = result[0];
+        V = result[1];
+
+        if (this.modMult(V, V).equals(fourQ))
+        {
+            // Integer division by 2, mod q
+            if (V.testBit(0))
+            {
+                V = V.add(q);
+            }
+
+            V = V.shiftRight(1);
+
+            return new ECFieldElementFp(q,V);
+        }
+    }
+    while (U.equals(BigInteger.ONE) || U.equals(qMinusOne));
+
+    return null;
+}
+ECFieldElementFp.prototype.lucasSequence = function(P,Q,k)
+{
+    var n = k.bitLength();
+    var s = k.getLowestSetBit();
+
+    var Uh = BigInteger.ONE;
+    var Vl = BigInteger.TWO;
+    var Vh = P;
+    var Ql = BigInteger.ONE;
+    var Qh = BigInteger.ONE;
+
+    for (var j = n - 1; j >= s + 1; --j)
+    {
+        Ql = this.modMult(Ql, Qh);
+
+        if (k.testBit(j))
+        {
+            Qh = this.modMult(Ql, Q);
+            Uh = this.modMult(Uh, Vh);
+            Vl = this.modReduce(Vh.multiply(Vl).subtract(P.multiply(Ql)));
+            Vh = this.modReduce(Vh.multiply(Vh).subtract(Qh.shiftLeft(1)));
+        }
+        else
+        {
+            Qh = Ql;
+            Uh = this.modReduce(Uh.multiply(Vl).subtract(Ql));
+            Vh = this.modReduce(Vh.multiply(Vl).subtract(P.multiply(Ql)));
+            Vl = this.modReduce(Vl.multiply(Vl).subtract(Ql.shiftLeft(1)));
+        }
+    }
+
+    Ql = this.modMult(Ql, Qh);
+    Qh = this.modMult(Ql, Q);
+    Uh = this.modReduce(Uh.multiply(Vl).subtract(Ql));
+    Vl = this.modReduce(Vh.multiply(Vl).subtract(P.multiply(Ql)));
+    Ql = this.modMult(Ql, Qh);
+
+    for (var j = 1; j <= s; ++j)
+    {
+        Uh = this.modMult(Uh, Vl);
+        Vl = this.modReduce(Vl.multiply(Vl).subtract(Ql.shiftLeft(1)));
+        Ql = this.modMult(Ql, Ql);
+    }
+
+    return [ Uh, Vl ];
+}
+
+var exports = {
+  ECCurveFp: ECCurveFp,
+  ECPointFp: ECPointFp,
+  ECFieldElementFp: ECFieldElementFp
+}
+
+module.exports = exports
diff --git a/node_modules/ecc-jsbn/lib/sec.js b/node_modules/ecc-jsbn/lib/sec.js
new file mode 100644
index 000000000..5eec8179f
--- /dev/null
+++ b/node_modules/ecc-jsbn/lib/sec.js
@@ -0,0 +1,170 @@
+// Named EC curves
+
+// Requires ec.js, jsbn.js, and jsbn2.js
+var BigInteger = require('jsbn').BigInteger
+var ECCurveFp = require('./ec.js').ECCurveFp
+
+
+// ----------------
+// X9ECParameters
+
+// constructor
+function X9ECParameters(curve,g,n,h) {
+    this.curve = curve;
+    this.g = g;
+    this.n = n;
+    this.h = h;
+}
+
+function x9getCurve() {
+    return this.curve;
+}
+
+function x9getG() {
+    return this.g;
+}
+
+function x9getN() {
+    return this.n;
+}
+
+function x9getH() {
+    return this.h;
+}
+
+X9ECParameters.prototype.getCurve = x9getCurve;
+X9ECParameters.prototype.getG = x9getG;
+X9ECParameters.prototype.getN = x9getN;
+X9ECParameters.prototype.getH = x9getH;
+
+// ----------------
+// SECNamedCurves
+
+function fromHex(s) { return new BigInteger(s, 16); }
+
+function secp128r1() {
+    // p = 2^128 - 2^97 - 1
+    var p = fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF");
+    var a = fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFC");
+    var b = fromHex("E87579C11079F43DD824993C2CEE5ED3");
+    //byte[] S = Hex.decode("000E0D4D696E6768756151750CC03A4473D03679");
+    var n = fromHex("FFFFFFFE0000000075A30D1B9038A115");
+    var h = BigInteger.ONE;
+    var curve = new ECCurveFp(p, a, b);
+    var G = curve.decodePointHex("04"
+                + "161FF7528B899B2D0C28607CA52C5B86"
+		+ "CF5AC8395BAFEB13C02DA292DDED7A83");
+    return new X9ECParameters(curve, G, n, h);
+}
+
+function secp160k1() {
+    // p = 2^160 - 2^32 - 2^14 - 2^12 - 2^9 - 2^8 - 2^7 - 2^3 - 2^2 - 1
+    var p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73");
+    var a = BigInteger.ZERO;
+    var b = fromHex("7");
+    //byte[] S = null;
+    var n = fromHex("0100000000000000000001B8FA16DFAB9ACA16B6B3");
+    var h = BigInteger.ONE;
+    var curve = new ECCurveFp(p, a, b);
+    var G = curve.decodePointHex("04"
+                + "3B4C382CE37AA192A4019E763036F4F5DD4D7EBB"
+                + "938CF935318FDCED6BC28286531733C3F03C4FEE");
+    return new X9ECParameters(curve, G, n, h);
+}
+
+function secp160r1() {
+    // p = 2^160 - 2^31 - 1
+    var p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF");
+    var a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC");
+    var b = fromHex("1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45");
+    //byte[] S = Hex.decode("1053CDE42C14D696E67687561517533BF3F83345");
+    var n = fromHex("0100000000000000000001F4C8F927AED3CA752257");
+    var h = BigInteger.ONE;
+    var curve = new ECCurveFp(p, a, b);
+    var G = curve.decodePointHex("04"
+		+ "4A96B5688EF573284664698968C38BB913CBFC82"
+		+ "23A628553168947D59DCC912042351377AC5FB32");
+    return new X9ECParameters(curve, G, n, h);
+}
+
+function secp192k1() {
+    // p = 2^192 - 2^32 - 2^12 - 2^8 - 2^7 - 2^6 - 2^3 - 1
+    var p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFEE37");
+    var a = BigInteger.ZERO;
+    var b = fromHex("3");
+    //byte[] S = null;
+    var n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFE26F2FC170F69466A74DEFD8D");
+    var h = BigInteger.ONE;
+    var curve = new ECCurveFp(p, a, b);
+    var G = curve.decodePointHex("04"
+                + "DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D"
+                + "9B2F2F6D9C5628A7844163D015BE86344082AA88D95E2F9D");
+    return new X9ECParameters(curve, G, n, h);
+}
+
+function secp192r1() {
+    // p = 2^192 - 2^64 - 1
+    var p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF");
+    var a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC");
+    var b = fromHex("64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1");
+    //byte[] S = Hex.decode("3045AE6FC8422F64ED579528D38120EAE12196D5");
+    var n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831");
+    var h = BigInteger.ONE;
+    var curve = new ECCurveFp(p, a, b);
+    var G = curve.decodePointHex("04"
+                + "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012"
+                + "07192B95FFC8DA78631011ED6B24CDD573F977A11E794811");
+    return new X9ECParameters(curve, G, n, h);
+}
+
+function secp224r1() {
+    // p = 2^224 - 2^96 + 1
+    var p = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001");
+    var a = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE");
+    var b = fromHex("B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4");
+    //byte[] S = Hex.decode("BD71344799D5C7FCDC45B59FA3B9AB8F6A948BC5");
+    var n = fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D");
+    var h = BigInteger.ONE;
+    var curve = new ECCurveFp(p, a, b);
+    var G = curve.decodePointHex("04"
+                + "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21"
+                + "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34");
+    return new X9ECParameters(curve, G, n, h);
+}
+
+function secp256r1() {
+    // p = 2^224 (2^32 - 1) + 2^192 + 2^96 - 1
+    var p = fromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF");
+    var a = fromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC");
+    var b = fromHex("5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B");
+    //byte[] S = Hex.decode("C49D360886E704936A6678E1139D26B7819F7E90");
+    var n = fromHex("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551");
+    var h = BigInteger.ONE;
+    var curve = new ECCurveFp(p, a, b);
+    var G = curve.decodePointHex("04"
+                + "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296"
+		+ "4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5");
+    return new X9ECParameters(curve, G, n, h);
+}
+
+// TODO: make this into a proper hashtable
+function getSECCurveByName(name) {
+    if(name == "secp128r1") return secp128r1();
+    if(name == "secp160k1") return secp160k1();
+    if(name == "secp160r1") return secp160r1();
+    if(name == "secp192k1") return secp192k1();
+    if(name == "secp192r1") return secp192r1();
+    if(name == "secp224r1") return secp224r1();
+    if(name == "secp256r1") return secp256r1();
+    return null;
+}
+
+module.exports = {
+  "secp128r1":secp128r1,
+  "secp160k1":secp160k1,
+  "secp160r1":secp160r1,
+  "secp192k1":secp192k1,
+  "secp192r1":secp192r1,
+  "secp224r1":secp224r1,
+  "secp256r1":secp256r1
+}
diff --git a/node_modules/ecc-jsbn/package.json b/node_modules/ecc-jsbn/package.json
new file mode 100644
index 000000000..3612fcf1d
--- /dev/null
+++ b/node_modules/ecc-jsbn/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "ecc-jsbn",
+  "version": "0.1.2",
+  "description": "ECC JS code based on JSBN",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/quartzjer/ecc-jsbn.git"
+  },
+  "keywords": [
+    "jsbn",
+    "ecc",
+    "browserify"
+  ],
+  "author": {
+    "name": "Jeremie Miller",
+    "email": "jeremie@jabber.org",
+    "url": "http://jeremie.com/"
+  },
+  "maintainers": [
+    {
+      "name": "Jeremie Miller",
+      "email": "jeremie@jabber.org",
+      "url": "http://jeremie.com/"
+    },
+    {
+      "name": "Ryan Bennett",
+      "url": "https://github.com/rynomad"
+    }
+  ],
+  "dependencies": {
+    "jsbn": "~0.1.0",
+    "safer-buffer": "^2.1.0"
+  },
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/quartzjer/ecc-jsbn/issues"
+  },
+  "homepage": "https://github.com/quartzjer/ecc-jsbn"
+}
diff --git a/node_modules/ecc-jsbn/test.js b/node_modules/ecc-jsbn/test.js
new file mode 100644
index 000000000..bd52abfd9
--- /dev/null
+++ b/node_modules/ecc-jsbn/test.js
@@ -0,0 +1,14 @@
+var ecc = require("./index.js");
+var key1 = new ecc.ECKey(ecc.ECCurves.secp160r1);
+var key2 = new ecc.ECKey(ecc.ECCurves.secp160r1);
+console.log(key1.deriveSharedSecret(key2));
+var key3 = new ecc.ECKey(ecc.ECCurves.secp160r1,key1.PrivateKey);
+var key4 = new ecc.ECKey(ecc.ECCurves.secp160r1,key2.PublicKey,true);
+console.log(key3.deriveSharedSecret(key4));
+
+var key1 = new ecc.ECKey(ecc.ECCurves.secp256r1);
+var key2 = new ecc.ECKey(ecc.ECCurves.secp256r1);
+console.log(key1.deriveSharedSecret(key2));
+var key3 = new ecc.ECKey(ecc.ECCurves.secp256r1,key1.PrivateKey);
+var key4 = new ecc.ECKey(ecc.ECCurves.secp256r1,key2.PublicKey,true);
+console.log(key3.deriveSharedSecret(key4));
diff --git a/node_modules/ee-first/LICENSE b/node_modules/ee-first/LICENSE
new file mode 100644
index 000000000..a7ae8ee9b
--- /dev/null
+++ b/node_modules/ee-first/LICENSE
@@ -0,0 +1,22 @@
+
+The MIT License (MIT)
+
+Copyright (c) 2014 Jonathan Ong me@jongleberry.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/ee-first/README.md b/node_modules/ee-first/README.md
new file mode 100644
index 000000000..cbd2478be
--- /dev/null
+++ b/node_modules/ee-first/README.md
@@ -0,0 +1,80 @@
+# EE First
+
+[![NPM version][npm-image]][npm-url]
+[![Build status][travis-image]][travis-url]
+[![Test coverage][coveralls-image]][coveralls-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+[![Gittip][gittip-image]][gittip-url]
+
+Get the first event in a set of event emitters and event pairs,
+then clean up after itself.
+
+## Install
+
+```sh
+$ npm install ee-first
+```
+
+## API
+
+```js
+var first = require('ee-first')
+```
+
+### first(arr, listener)
+
+Invoke `listener` on the first event from the list specified in `arr`. `arr` is
+an array of arrays, with each array in the format `[ee, ...event]`. `listener`
+will be called only once, the first time any of the given events are emitted. If
+`error` is one of the listened events, then if that fires first, the `listener`
+will be given the `err` argument.
+
+The `listener` is invoked as `listener(err, ee, event, args)`, where `err` is the
+first argument emitted from an `error` event, if applicable; `ee` is the event
+emitter that fired; `event` is the string event name that fired; and `args` is an
+array of the arguments that were emitted on the event.
+
+```js
+var ee1 = new EventEmitter()
+var ee2 = new EventEmitter()
+
+first([
+  [ee1, 'close', 'end', 'error'],
+  [ee2, 'error']
+], function (err, ee, event, args) {
+  // listener invoked
+})
+```
+
+#### .cancel()
+
+The group of listeners can be cancelled before being invoked and have all the event
+listeners removed from the underlying event emitters.
+
+```js
+var thunk = first([
+  [ee1, 'close', 'end', 'error'],
+  [ee2, 'error']
+], function (err, ee, event, args) {
+  // listener invoked
+})
+
+// cancel and clean up
+thunk.cancel()
+```
+
+[npm-image]: https://img.shields.io/npm/v/ee-first.svg?style=flat-square
+[npm-url]: https://npmjs.org/package/ee-first
+[github-tag]: http://img.shields.io/github/tag/jonathanong/ee-first.svg?style=flat-square
+[github-url]: https://github.com/jonathanong/ee-first/tags
+[travis-image]: https://img.shields.io/travis/jonathanong/ee-first.svg?style=flat-square
+[travis-url]: https://travis-ci.org/jonathanong/ee-first
+[coveralls-image]: https://img.shields.io/coveralls/jonathanong/ee-first.svg?style=flat-square
+[coveralls-url]: https://coveralls.io/r/jonathanong/ee-first?branch=master
+[license-image]: http://img.shields.io/npm/l/ee-first.svg?style=flat-square
+[license-url]: LICENSE.md
+[downloads-image]: http://img.shields.io/npm/dm/ee-first.svg?style=flat-square
+[downloads-url]: https://npmjs.org/package/ee-first
+[gittip-image]: https://img.shields.io/gittip/jonathanong.svg?style=flat-square
+[gittip-url]: https://www.gittip.com/jonathanong/
diff --git a/node_modules/ee-first/index.js b/node_modules/ee-first/index.js
new file mode 100644
index 000000000..501287cd3
--- /dev/null
+++ b/node_modules/ee-first/index.js
@@ -0,0 +1,95 @@
+/*!
+ * ee-first
+ * Copyright(c) 2014 Jonathan Ong
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = first
+
+/**
+ * Get the first event in a set of event emitters and event pairs.
+ *
+ * @param {array} stuff
+ * @param {function} done
+ * @public
+ */
+
+function first(stuff, done) {
+  if (!Array.isArray(stuff))
+    throw new TypeError('arg must be an array of [ee, events...] arrays')
+
+  var cleanups = []
+
+  for (var i = 0; i < stuff.length; i++) {
+    var arr = stuff[i]
+
+    if (!Array.isArray(arr) || arr.length < 2)
+      throw new TypeError('each array member must be [ee, events...]')
+
+    var ee = arr[0]
+
+    for (var j = 1; j < arr.length; j++) {
+      var event = arr[j]
+      var fn = listener(event, callback)
+
+      // listen to the event
+      ee.on(event, fn)
+      // push this listener to the list of cleanups
+      cleanups.push({
+        ee: ee,
+        event: event,
+        fn: fn,
+      })
+    }
+  }
+
+  function callback() {
+    cleanup()
+    done.apply(null, arguments)
+  }
+
+  function cleanup() {
+    var x
+    for (var i = 0; i < cleanups.length; i++) {
+      x = cleanups[i]
+      x.ee.removeListener(x.event, x.fn)
+    }
+  }
+
+  function thunk(fn) {
+    done = fn
+  }
+
+  thunk.cancel = cleanup
+
+  return thunk
+}
+
+/**
+ * Create the event listener.
+ * @private
+ */
+
+function listener(event, done) {
+  return function onevent(arg1) {
+    var args = new Array(arguments.length)
+    var ee = this
+    var err = event === 'error'
+      ? arg1
+      : null
+
+    // copy args to prevent arguments escaping scope
+    for (var i = 0; i < args.length; i++) {
+      args[i] = arguments[i]
+    }
+
+    done(err, ee, event, args)
+  }
+}
diff --git a/node_modules/ee-first/package.json b/node_modules/ee-first/package.json
new file mode 100644
index 000000000..b6d0b7d67
--- /dev/null
+++ b/node_modules/ee-first/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "ee-first",
+  "description": "return the first event in a set of ee/event pairs",
+  "version": "1.1.1",
+  "author": {
+    "name": "Jonathan Ong",
+    "email": "me@jongleberry.com",
+    "url": "http://jongleberry.com",
+    "twitter": "https://twitter.com/jongleberry"
+  },
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>"
+  ],
+  "license": "MIT",
+  "repository": "jonathanong/ee-first",
+  "devDependencies": {
+    "istanbul": "0.3.9",
+    "mocha": "2.2.5"
+  },
+  "files": [
+    "index.js",
+    "LICENSE"
+  ],
+  "scripts": {
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/"
+  }
+}
diff --git a/node_modules/encodeurl/HISTORY.md b/node_modules/encodeurl/HISTORY.md
new file mode 100644
index 000000000..41313b2b3
--- /dev/null
+++ b/node_modules/encodeurl/HISTORY.md
@@ -0,0 +1,14 @@
+1.0.2 / 2018-01-21
+==================
+
+  * Fix encoding `%` as last character
+
+1.0.1 / 2016-06-09
+==================
+
+  * Fix encoding unpaired surrogates at start/end of string
+
+1.0.0 / 2016-06-08
+==================
+
+  * Initial release
diff --git a/node_modules/encodeurl/LICENSE b/node_modules/encodeurl/LICENSE
new file mode 100644
index 000000000..8812229bc
--- /dev/null
+++ b/node_modules/encodeurl/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2016 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/encodeurl/README.md b/node_modules/encodeurl/README.md
new file mode 100644
index 000000000..127c5a0d4
--- /dev/null
+++ b/node_modules/encodeurl/README.md
@@ -0,0 +1,128 @@
+# encodeurl
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Encode a URL to a percent-encoded form, excluding already-encoded sequences
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install encodeurl
+```
+
+## API
+
+```js
+var encodeUrl = require('encodeurl')
+```
+
+### encodeUrl(url)
+
+Encode a URL to a percent-encoded form, excluding already-encoded sequences.
+
+This function will take an already-encoded URL and encode all the non-URL
+code points (as UTF-8 byte sequences). This function will not encode the
+"%" character unless it is not part of a valid sequence (`%20` will be
+left as-is, but `%foo` will be encoded as `%25foo`).
+
+This encode is meant to be "safe" and does not throw errors. It will try as
+hard as it can to properly encode the given URL, including replacing any raw,
+unpaired surrogate pairs with the Unicode replacement character prior to
+encoding.
+
+This function is _similar_ to the intrinsic function `encodeURI`, except it
+will not encode the `%` character if that is part of a valid sequence, will
+not encode `[` and `]` (for IPv6 hostnames) and will replace raw, unpaired
+surrogate pairs with the Unicode replacement character (instead of throwing).
+
+## Examples
+
+### Encode a URL containing user-controled data
+
+```js
+var encodeUrl = require('encodeurl')
+var escapeHtml = require('escape-html')
+
+http.createServer(function onRequest (req, res) {
+  // get encoded form of inbound url
+  var url = encodeUrl(req.url)
+
+  // create html message
+  var body = '<p>Location ' + escapeHtml(url) + ' not found</p>'
+
+  // send a 404
+  res.statusCode = 404
+  res.setHeader('Content-Type', 'text/html; charset=UTF-8')
+  res.setHeader('Content-Length', String(Buffer.byteLength(body, 'utf-8')))
+  res.end(body, 'utf-8')
+})
+```
+
+### Encode a URL for use in a header field
+
+```js
+var encodeUrl = require('encodeurl')
+var escapeHtml = require('escape-html')
+var url = require('url')
+
+http.createServer(function onRequest (req, res) {
+  // parse inbound url
+  var href = url.parse(req)
+
+  // set new host for redirect
+  href.host = 'localhost'
+  href.protocol = 'https:'
+  href.slashes = true
+
+  // create location header
+  var location = encodeUrl(url.format(href))
+
+  // create html message
+  var body = '<p>Redirecting to new site: ' + escapeHtml(location) + '</p>'
+
+  // send a 301
+  res.statusCode = 301
+  res.setHeader('Content-Type', 'text/html; charset=UTF-8')
+  res.setHeader('Content-Length', String(Buffer.byteLength(body, 'utf-8')))
+  res.setHeader('Location', location)
+  res.end(body, 'utf-8')
+})
+```
+
+## Testing
+
+```sh
+$ npm test
+$ npm run lint
+```
+
+## References
+
+- [RFC 3986: Uniform Resource Identifier (URI): Generic Syntax][rfc-3986]
+- [WHATWG URL Living Standard][whatwg-url]
+
+[rfc-3986]: https://tools.ietf.org/html/rfc3986
+[whatwg-url]: https://url.spec.whatwg.org/
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/encodeurl.svg
+[npm-url]: https://npmjs.org/package/encodeurl
+[node-version-image]: https://img.shields.io/node/v/encodeurl.svg
+[node-version-url]: https://nodejs.org/en/download
+[travis-image]: https://img.shields.io/travis/pillarjs/encodeurl.svg
+[travis-url]: https://travis-ci.org/pillarjs/encodeurl
+[coveralls-image]: https://img.shields.io/coveralls/pillarjs/encodeurl.svg
+[coveralls-url]: https://coveralls.io/r/pillarjs/encodeurl?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/encodeurl.svg
+[downloads-url]: https://npmjs.org/package/encodeurl
diff --git a/node_modules/encodeurl/index.js b/node_modules/encodeurl/index.js
new file mode 100644
index 000000000..fc4906c6c
--- /dev/null
+++ b/node_modules/encodeurl/index.js
@@ -0,0 +1,60 @@
+/*!
+ * encodeurl
+ * Copyright(c) 2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = encodeUrl
+
+/**
+ * RegExp to match non-URL code points, *after* encoding (i.e. not including "%")
+ * and including invalid escape sequences.
+ * @private
+ */
+
+var ENCODE_CHARS_REGEXP = /(?:[^\x21\x25\x26-\x3B\x3D\x3F-\x5B\x5D\x5F\x61-\x7A\x7E]|%(?:[^0-9A-Fa-f]|[0-9A-Fa-f][^0-9A-Fa-f]|$))+/g
+
+/**
+ * RegExp to match unmatched surrogate pair.
+ * @private
+ */
+
+var UNMATCHED_SURROGATE_PAIR_REGEXP = /(^|[^\uD800-\uDBFF])[\uDC00-\uDFFF]|[\uD800-\uDBFF]([^\uDC00-\uDFFF]|$)/g
+
+/**
+ * String to replace unmatched surrogate pair with.
+ * @private
+ */
+
+var UNMATCHED_SURROGATE_PAIR_REPLACE = '$1\uFFFD$2'
+
+/**
+ * Encode a URL to a percent-encoded form, excluding already-encoded sequences.
+ *
+ * This function will take an already-encoded URL and encode all the non-URL
+ * code points. This function will not encode the "%" character unless it is
+ * not part of a valid sequence (`%20` will be left as-is, but `%foo` will
+ * be encoded as `%25foo`).
+ *
+ * This encode is meant to be "safe" and does not throw errors. It will try as
+ * hard as it can to properly encode the given URL, including replacing any raw,
+ * unpaired surrogate pairs with the Unicode replacement character prior to
+ * encoding.
+ *
+ * @param {string} url
+ * @return {string}
+ * @public
+ */
+
+function encodeUrl (url) {
+  return String(url)
+    .replace(UNMATCHED_SURROGATE_PAIR_REGEXP, UNMATCHED_SURROGATE_PAIR_REPLACE)
+    .replace(ENCODE_CHARS_REGEXP, encodeURI)
+}
diff --git a/node_modules/encodeurl/package.json b/node_modules/encodeurl/package.json
new file mode 100644
index 000000000..b9f25ef10
--- /dev/null
+++ b/node_modules/encodeurl/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "encodeurl",
+  "description": "Encode a URL to a percent-encoded form, excluding already-encoded sequences",
+  "version": "1.0.2",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "encode",
+    "encodeurl",
+    "url"
+  ],
+  "repository": "pillarjs/encodeurl",
+  "devDependencies": {
+    "eslint": "3.19.0",
+    "eslint-config-standard": "10.2.1",
+    "eslint-plugin-import": "2.8.0",
+    "eslint-plugin-node": "5.2.1",
+    "eslint-plugin-promise": "3.6.0",
+    "eslint-plugin-standard": "3.0.1",
+    "istanbul": "0.4.5",
+    "mocha": "2.5.3"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/"
+  }
+}
diff --git a/node_modules/envkey/LICENSE.txt b/node_modules/envkey/LICENSE.txt
new file mode 100644
index 000000000..27d1d7a6d
--- /dev/null
+++ b/node_modules/envkey/LICENSE.txt
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2021 Envkey Inc. <support@envkey.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/envkey/README.md b/node_modules/envkey/README.md
new file mode 100644
index 000000000..1152c3a2d
--- /dev/null
+++ b/node_modules/envkey/README.md
@@ -0,0 +1,154 @@
+# envkey npm package
+
+Integrate [EnvKey](https://www.envkey.com) with your Node.js projects to keep api keys, credentials, and other configuration securely and automatically in sync for developers and servers.
+
+## Installation
+
+```bash
+npm install 'envkey' --save
+```
+
+Then at the entry point of your application:
+
+```javascript
+// main.js
+require('envkey')
+```
+
+Or if you prefer ES6+ imports:
+
+```javascript
+// main.js
+import 'envkey'
+```
+
+## Usage
+
+Generate an `ENVKEY` in the [EnvKey App](https://github.com/envkey/envkey-app). Then set `ENVKEY=...`, either in a gitignored `.env` file in the root of your project (in development) or in an environment variable (on servers).
+
+Now all your EnvKey variables will be available on `process.env`.
+
+### Errors
+
+The package will throw an error if an `ENVKEY` is missing or invalid.
+
+### Example
+
+Assume you have `STRIPE_SECRET_KEY` set to `sk_test_2a33b045e998d2ef60c7861d2ac22ea8` for the `development` environment in the EnvKey App. You generate a local development `ENVKEY`.
+
+In your project's **gitignored** `.env` file:
+
+```bash
+# .env
+ENVKEY=GsL8zC74DWchdpvssa9z-nk7humd7hJmAqNoA
+```
+
+In `lib/stripe.js`:
+
+```javascript
+var stripe = require('stripe')(process.env.STRIPE_SECRET_KEY);
+```
+
+Now `STRIPE_SECRET_KEY` will stay automatically in sync for all the developers on your team.
+
+For a server, generate a server `ENVKEY` in the EnvKey App, then set the `ENVKEY` as an environment variable instead of putting it in a `.env` file.
+
+Now your servers will stay in sync as well. If you need to rotate your `STRIPE_SECRET_KEY`, you can do it in a few seconds in the EnvKey App, restart your servers, and you're good to go. All your team's developers and all your servers will have the new value.
+
+### Overriding Vars
+
+The envkey package will not overwrite existing environment variables or additional variables set in a `.env` file. This can be convenient for customizing environments that otherwise share the same configuration. You can also use [sub-environments](https://blog.envkey.com/development-staging-production-and-beyond-85f26f65edd6) in the EnvKey App for this purpose.
+
+### Working Offline
+
+The envkey package caches your encrypted config in development so that you can still use it while offline. Your config will still be available (though possibly not up-to-date) the next time you lose your internet connection. If you do have a connection available, envkey will always load the latest config. Your cached encrypted config is stored in `$HOME/.envkey/cache`
+
+For caching purposes, this package assumes you're in development mode if `process.env.NODE_ENV` is "development" or "test". If `process.env.NODE_ENV` is undefined, then it's assumed you're in development mode when a .env file exists in the root of your project.
+
+### Custom Loading
+
+If you want more control over how/when envkey loads your config, you can import/require the loader module directly instead of the top-level package that autoloads.
+
+With require:
+
+```javascript
+const envkeyLoader = require('envkey/loader')
+
+envkeyLoader.load({
+  dotEnvFile: ".staging.env", // where to find the dotEnv file that contains your ENVKEY,
+  permitted: ["KEY1", "KEY2"] // whitelist of permitted vars (useful for client-side config) - defaults to permitting all if omitted
+})
+```
+
+Or with imports:
+
+```javascript
+import {load as envkeyLoad} from 'envkey/loader'
+
+envkeyLoad({ dotEnvFile: ".staging.env" })
+``` 
+
+You can also load your config asynchronously by providing a callback to the load function:
+
+```javascript
+const envkeyLoader = require('envkey/loader')
+
+envkeyLoader.load({
+  dotEnvFile: ".staging.env", // where to find the dotEnv file that contains your ENVKEY,
+  permitted: ["KEY1", "KEY2"] // whitelist of permitted vars (useful for client-side config) - defaults to permitting all if omitted
+}, function(err, res){
+  console.log("Config loaded")
+  console.log(process.env.KEY1)
+})
+```
+
+For even more flexibility, you can use the `fetch` method to return your config as simple json and do as you wish with it. As with `load`, it can be called synchronously or asynchronously.
+
+```javascript
+const envkeyLoader = require('envkey/loader')
+
+// synchronous
+const config = envkeyLoader.fetch({ 
+  dotEnvFile: ".staging.env",
+  permitted: ["KEY1", "KEY2"]
+})
+console.log(config.KEY1)
+
+// asynchronous
+envkeyLoader.fetch({
+  dotEnvFile: ".staging.env",
+  permitted: ["KEY1", "KEY2"]
+}, function(err, res){
+  console.log(res.KEY1)
+})
+```
+
+## Client-Side Config In The Browser
+
+Since EnvKey is for configuration in addition to secrets, it can be convenient to inject a portion of your EnvKey config into your client-side code. This should be done by whitelisting variables that are safe for the client (i.e. can be made public) and injecting them during your build process. EnvKey has a [webpack plugin](https://github.com/envkey/envkey-webpack-plugin) to help you do it right.
+
+## envkey-fetch binaries
+
+If you look in the `ext` directory of this package, you'll find a number of `envkey-fetch` binaries for various platforms and architectures. These are output by the [envkey-fetch Go library](https://github.com/envkey/envkey-fetch). It contains EnvKey's core cross-platform fetching, decryption, verification, web of trust, redundancy, and caching logic. It is completely open source.
+
+## x509 error / ca-certificates
+
+On a stripped down OS like Alpine Linux, you may get an `x509: certificate signed by unknown authority` error when `envkey-node` attempts to load your config. [envkey-fetch](https://github.com/envkey/envkey-fetch) attempts to handle this by including its own set of trusted CAs via [gocertifi](https://github.com/certifi/gocertifi), but if you're getting this error anyway, you can fix it by ensuring that the `ca-certificates` dependency is installed. On Alpine you'll want to run:
+```
+apk add --no-cache ca-certificates
+```
+
+## Further Reading
+
+For more on EnvKey in general:
+
+Read the [docs](https://docs.envkey.com).
+
+Read the [integration quickstart](https://docs.envkey.com/integration-quickstart.html).
+
+Read the [security and cryptography overview](https://security.envkey.com).
+
+## Need help? Have questions, feedback, or ideas?
+
+Post an [issue](https://github.com/envkey/envkey-ruby/issues) or email us: [support@envkey.com](mailto:support@envkey.com).
+
diff --git a/node_modules/envkey/__tests__/loader_test.js b/node_modules/envkey/__tests__/loader_test.js
new file mode 100644
index 000000000..6a46bdaee
--- /dev/null
+++ b/node_modules/envkey/__tests__/loader_test.js
@@ -0,0 +1,157 @@
+
+const VALID_ENVKEY = "wYv78UmHsfEu6jSqMZrU-3w1kwyF35nRYwsAJ-env-staging.envkey.com",
+      INVALID_ENVKEY = "Emzt4BE7C23QtsC7gb1z-3NvfNiG1Boy6XH2oinvalid-env-staging.envkey.com",
+      INVALID_ENVKEY2 = "Emzt4BE7C23QtsC7gb1zinvalid-3NvfNiG1Boy6XH2o-env-staging.envkey.com",
+      INVALID_ENVKEY3 = "invalid"
+
+function clearEnv(){
+  delete process.env.ENVKEY
+  delete process.env.TEST
+  delete process.env.TEST_2
+}
+
+test('it should load and decrypt environment via require autoload', () => {
+  process.env.ENVKEY = VALID_ENVKEY
+  require("../index.js")
+  expect(process.env.TEST).toBe("it")
+  expect(process.env.TEST_2).toBe("works!")
+  clearEnv()
+})
+
+test('it should load and decrypt environment via loader - synchronously', () => {
+  process.env.ENVKEY = VALID_ENVKEY
+  var loader = require("../loader.js")
+  loader.load()
+  expect(process.env.TEST).toBe("it")
+  expect(process.env.TEST_2).toBe("works!")
+  clearEnv()
+})
+
+test('it should load and decrypt environment via loader - async', done => {
+  process.env.ENVKEY = VALID_ENVKEY
+  var loader = require("../loader.js")
+  loader.load((err, res)=> {
+    expect(err).toBeFalsy()
+    expect(process.env.TEST).toBe("it")
+    expect(process.env.TEST_2).toBe("works!")
+    clearEnv()
+    done()
+  })
+})
+
+test('it should raise an error with an invalid envkey - synchronously', ()=> {
+  process.env.ENVKEY = INVALID_ENVKEY
+  expect(()=> {
+    var loader = require("../loader.js")
+    loader.load()
+  }).toThrow(/ENVKEY invalid/)
+  clearEnv()
+
+  process.env.ENVKEY = INVALID_ENVKEY2
+  expect(()=> {
+    var loader = require("../loader.js")
+    loader.load()
+  }).toThrow(/ENVKEY invalid/)
+  clearEnv()
+
+  process.env.ENVKEY = INVALID_ENVKEY3
+  expect(()=> {
+    var loader = require("../loader.js")
+    loader.load()
+  }).toThrow(/ENVKEY invalid/)
+  clearEnv()
+})
+
+test('it should call callback with an err - async', done => {
+  process.env.ENVKEY = INVALID_ENVKEY
+
+  var loader = require("../loader.js")
+  loader.load((err, res)=> {
+    expect(err).not.toBeUndefined()
+    expect(process.env.TEST).toBeUndefined()
+    expect(process.env.TEST_2).toBeUndefined()
+    clearEnv()
+    done()
+  })
+})
+
+test('it should load and decrypt environment via fetch - synchronously', () => {
+  process.env.ENVKEY = VALID_ENVKEY
+  var loader = require("../loader.js"),
+      res = loader.fetch()
+  expect(res.TEST).toBe("it")
+  expect(res.TEST_2).toBe("works!")
+  clearEnv()
+})
+
+test('it should load and decrypt environment via fetch - asynchronously', done => {
+  process.env.ENVKEY = VALID_ENVKEY
+  var loader = require("../loader.js")
+  loader.fetch((err, res)=> {
+    expect(err).toBeFalsy()
+    expect(res.TEST).toBe("it")
+    expect(res.TEST_2).toBe("works!")
+    clearEnv()
+    done()
+  })
+})
+
+test('fetch should raise an error with an invalid envkey - synchronously', ()=> {
+  process.env.ENVKEY = INVALID_ENVKEY
+  expect(()=> {
+    var loader = require("../loader.js")
+    loader.fetch()
+  }).toThrow(/ENVKEY invalid/)
+  clearEnv()
+})
+
+test('fetch should call callback with an invalid envkey - async', done => {
+  process.env.ENVKEY = INVALID_ENVKEY
+  var loader = require("../loader.js")
+  loader.fetch((err, res)=>{
+    expect(err).not.toBeUndefined()
+    expect(res).toBeUndefined()
+    clearEnv()
+    done()
+  })
+})
+
+test('it should not overwrite an existing process.env var', () => {
+  process.env.ENVKEY = VALID_ENVKEY
+  process.env.TEST = "otherthing"
+  var loader = require("../loader.js")
+  loader.load()
+  expect(process.env.TEST).toBe("otherthing")
+  expect(process.env.TEST_2).toBe("works!")
+  clearEnv()
+})
+
+test('it should not overwrite an existing process.env var even when falsy', () => {
+  process.env.ENVKEY = VALID_ENVKEY
+  process.env.TEST = ""
+  var loader = require("../loader.js")
+  loader.load()
+  expect(process.env.TEST).toBe("")
+  expect(process.env.TEST_2).toBe("works!")
+  clearEnv()
+})
+
+test('it uses whitelist with "permitted" option', () => {
+  process.env.ENVKEY = VALID_ENVKEY
+  var loader = require("../loader.js")
+  loader.load({permitted: ["TEST"]})
+  expect(process.env.TEST).toBe("it")
+  expect(process.env.TEST_2).toBeUndefined()
+  clearEnv()
+})
+
+test('it not ovewrrite existing process.env var with "permitted" option', () => {
+  process.env.ENVKEY = VALID_ENVKEY
+  process.env.TEST = "otherthing"
+  var loader = require("../loader.js")
+  loader.load({permitted: ["TEST"]})
+  expect(process.env.TEST).toBe("otherthing")
+  expect(process.env.TEST_2).toBeUndefined()
+  clearEnv()
+})
+
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_amd64/LICENSE b/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_amd64/LICENSE
new file mode 100644
index 000000000..eb67e4a03
--- /dev/null
+++ b/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_amd64/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright © 2021 Envkey Inc. <support@envkey.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_amd64/README.md b/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_amd64/README.md
new file mode 100644
index 000000000..9c8166b26
--- /dev/null
+++ b/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_amd64/README.md
@@ -0,0 +1,97 @@
+# envkey-fetch
+
+This library contains [EnvKey](https://www.envkey.com)'s core cross-platform fetching, decryption, verification, web of trust, redundancy, and caching logic. It accepts an `ENVKEY` generated by the [EnvKey App](https://www.github.com/envkey/envkey-app) and returns decrypted configuration for a specific app environment as json.
+
+It is used by EnvKey's various Client Libraries, including [envkey-source](https://github.com/envkey/envkey-source) for bash, [envkey-ruby](https://github.com/envkey/envkey-ruby) for Ruby and Rails, [envkey-python](https://github.com/envkey/envkey-python) for Python, [envkey-node](https://github.com/envkey/envkey-node) for Node.js, and [envkeygo](https://github.com/envkey/envkeygo) for Go.
+
+If you want to build an EnvKey library in a language that isn't yet officially supported, build some other type of integration, or simply play around with EnvKey on the command line, envkey-fetch is the library for you. If you just want to integrate EnvKey with your project, check out one of the aforementioned higher level libraries.
+
+## Installation
+
+envkey-fetch compiles into a simple static binary with no dependencies, which makes installation a simple matter of fetching the right binary for your platform and putting it in your `PATH`. An `install.sh` script is available to simplify this, as well as a [homebrew tap](https://github.com/envkey/homebrew-envkey)..
+
+**Install via bash:**
+
+```bash
+curl -s https://raw.githubusercontent.com/envkey/envkey-fetch/master/install.sh | bash
+```
+
+**Install manually:**
+
+Find the [release](https://github.com/envkey/envkey-fetch/releases) for your platform and architecture, and stick the appropriate binary somewhere in your `PATH` (or wherever you like really).
+
+**Install from source:**
+
+With Go installed, clone the project into your `GOPATH`. `cd` into the directory and run `go get` and `go build`.
+
+**Cross-compile from source:**
+
+To compile cross-platform binaries, make sure Go is installed, then install [goreleaser](https://goreleaser.com/) - follow instructions in the docs to do so.
+
+Then to cross-compile, run:
+
+`goreleaser`
+
+Binaries for each platform will be output to the `dist` folder.
+
+## Usage
+
+```bash
+envkey-fetch YOUR-ENVKEY [flags]
+```
+
+This will either write your the app environment's configuration associated with your `ENVKEY` as json to stdout or write an error message beginning with `error:` to stdout.
+
+### Example json output
+
+```json
+{"TEST":"it","TEST_2":"works!"}
+```
+
+### Example error output
+
+```text
+error: ENVKEY invalid
+```
+
+### Flags
+
+```text
+    --cache                   cache encrypted config as a local backup (default is false)
+    --cache-dir string        cache directory (default is $HOME/.envkey/cache)
+    --client-name string      calling client library name (default is none)
+    --client-version string   calling client library version (default is none)
+-h, --help                    help for envkey-fetch
+    --retries uint8           number of times to retry requests on failure (default 3)
+    --retryBackoff float      retry backoff factor: {retryBackoff} * (2 ^ {retries - 1}) (default 1)
+    --timeout float           timeout in seconds for http requests (default 10)
+    --verbose                 print verbose output (default is false)
+-v, --version                 prints the version
+```
+
+## x509 error / ca-certificates
+
+On a stripped down OS like Alpine Linux, you may get an `x509: certificate signed by unknown authority` error when `envkey-fetch` attempts to load your config. `envkey-fetch` tries to handle this by including its own set of trusted CAs via [gocertifi](https://github.com/certifi/gocertifi), but if you're getting this error anyway, you can fix it by ensuring that the `ca-certificates` dependency is installed. On Alpine you'll want to run:
+```
+apk add --no-cache ca-certificates
+```
+
+## Further Reading
+
+For more on EnvKey in general:
+
+Read the [docs](https://docs.envkey.com).
+
+Read the [integration quickstart](https://docs.envkey.com/integration-quickstart.html).
+
+Read the [security and cryptography overview](https://security.envkey.com).
+
+## Need help? Have questions, feedback, or ideas?
+
+Post an [issue](https://github.com/envkey/envkey-fetch/issues) or email us: [support@envkey.com](mailto:support@envkey.com).
+
+
+
+
+
+
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_amd64/envkey-fetch b/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_amd64/envkey-fetch
new file mode 100644
index 000000000..22fd998e5
Binary files /dev/null and b/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_amd64/envkey-fetch differ
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_arm64/LICENSE b/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_arm64/LICENSE
new file mode 100644
index 000000000..eb67e4a03
--- /dev/null
+++ b/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_arm64/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright © 2021 Envkey Inc. <support@envkey.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_arm64/README.md b/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_arm64/README.md
new file mode 100644
index 000000000..9c8166b26
--- /dev/null
+++ b/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_arm64/README.md
@@ -0,0 +1,97 @@
+# envkey-fetch
+
+This library contains [EnvKey](https://www.envkey.com)'s core cross-platform fetching, decryption, verification, web of trust, redundancy, and caching logic. It accepts an `ENVKEY` generated by the [EnvKey App](https://www.github.com/envkey/envkey-app) and returns decrypted configuration for a specific app environment as json.
+
+It is used by EnvKey's various Client Libraries, including [envkey-source](https://github.com/envkey/envkey-source) for bash, [envkey-ruby](https://github.com/envkey/envkey-ruby) for Ruby and Rails, [envkey-python](https://github.com/envkey/envkey-python) for Python, [envkey-node](https://github.com/envkey/envkey-node) for Node.js, and [envkeygo](https://github.com/envkey/envkeygo) for Go.
+
+If you want to build an EnvKey library in a language that isn't yet officially supported, build some other type of integration, or simply play around with EnvKey on the command line, envkey-fetch is the library for you. If you just want to integrate EnvKey with your project, check out one of the aforementioned higher level libraries.
+
+## Installation
+
+envkey-fetch compiles into a simple static binary with no dependencies, which makes installation a simple matter of fetching the right binary for your platform and putting it in your `PATH`. An `install.sh` script is available to simplify this, as well as a [homebrew tap](https://github.com/envkey/homebrew-envkey)..
+
+**Install via bash:**
+
+```bash
+curl -s https://raw.githubusercontent.com/envkey/envkey-fetch/master/install.sh | bash
+```
+
+**Install manually:**
+
+Find the [release](https://github.com/envkey/envkey-fetch/releases) for your platform and architecture, and stick the appropriate binary somewhere in your `PATH` (or wherever you like really).
+
+**Install from source:**
+
+With Go installed, clone the project into your `GOPATH`. `cd` into the directory and run `go get` and `go build`.
+
+**Cross-compile from source:**
+
+To compile cross-platform binaries, make sure Go is installed, then install [goreleaser](https://goreleaser.com/) - follow instructions in the docs to do so.
+
+Then to cross-compile, run:
+
+`goreleaser`
+
+Binaries for each platform will be output to the `dist` folder.
+
+## Usage
+
+```bash
+envkey-fetch YOUR-ENVKEY [flags]
+```
+
+This will either write your the app environment's configuration associated with your `ENVKEY` as json to stdout or write an error message beginning with `error:` to stdout.
+
+### Example json output
+
+```json
+{"TEST":"it","TEST_2":"works!"}
+```
+
+### Example error output
+
+```text
+error: ENVKEY invalid
+```
+
+### Flags
+
+```text
+    --cache                   cache encrypted config as a local backup (default is false)
+    --cache-dir string        cache directory (default is $HOME/.envkey/cache)
+    --client-name string      calling client library name (default is none)
+    --client-version string   calling client library version (default is none)
+-h, --help                    help for envkey-fetch
+    --retries uint8           number of times to retry requests on failure (default 3)
+    --retryBackoff float      retry backoff factor: {retryBackoff} * (2 ^ {retries - 1}) (default 1)
+    --timeout float           timeout in seconds for http requests (default 10)
+    --verbose                 print verbose output (default is false)
+-v, --version                 prints the version
+```
+
+## x509 error / ca-certificates
+
+On a stripped down OS like Alpine Linux, you may get an `x509: certificate signed by unknown authority` error when `envkey-fetch` attempts to load your config. `envkey-fetch` tries to handle this by including its own set of trusted CAs via [gocertifi](https://github.com/certifi/gocertifi), but if you're getting this error anyway, you can fix it by ensuring that the `ca-certificates` dependency is installed. On Alpine you'll want to run:
+```
+apk add --no-cache ca-certificates
+```
+
+## Further Reading
+
+For more on EnvKey in general:
+
+Read the [docs](https://docs.envkey.com).
+
+Read the [integration quickstart](https://docs.envkey.com/integration-quickstart.html).
+
+Read the [security and cryptography overview](https://security.envkey.com).
+
+## Need help? Have questions, feedback, or ideas?
+
+Post an [issue](https://github.com/envkey/envkey-fetch/issues) or email us: [support@envkey.com](mailto:support@envkey.com).
+
+
+
+
+
+
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_arm64/envkey-fetch b/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_arm64/envkey-fetch
new file mode 100644
index 000000000..cacc6f543
Binary files /dev/null and b/node_modules/envkey/ext/envkey-fetch_1.2.9_darwin_arm64/envkey-fetch differ
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_freebsd_amd64/LICENSE b/node_modules/envkey/ext/envkey-fetch_1.2.9_freebsd_amd64/LICENSE
new file mode 100644
index 000000000..eb67e4a03
--- /dev/null
+++ b/node_modules/envkey/ext/envkey-fetch_1.2.9_freebsd_amd64/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright © 2021 Envkey Inc. <support@envkey.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_freebsd_amd64/README.md b/node_modules/envkey/ext/envkey-fetch_1.2.9_freebsd_amd64/README.md
new file mode 100644
index 000000000..9c8166b26
--- /dev/null
+++ b/node_modules/envkey/ext/envkey-fetch_1.2.9_freebsd_amd64/README.md
@@ -0,0 +1,97 @@
+# envkey-fetch
+
+This library contains [EnvKey](https://www.envkey.com)'s core cross-platform fetching, decryption, verification, web of trust, redundancy, and caching logic. It accepts an `ENVKEY` generated by the [EnvKey App](https://www.github.com/envkey/envkey-app) and returns decrypted configuration for a specific app environment as json.
+
+It is used by EnvKey's various Client Libraries, including [envkey-source](https://github.com/envkey/envkey-source) for bash, [envkey-ruby](https://github.com/envkey/envkey-ruby) for Ruby and Rails, [envkey-python](https://github.com/envkey/envkey-python) for Python, [envkey-node](https://github.com/envkey/envkey-node) for Node.js, and [envkeygo](https://github.com/envkey/envkeygo) for Go.
+
+If you want to build an EnvKey library in a language that isn't yet officially supported, build some other type of integration, or simply play around with EnvKey on the command line, envkey-fetch is the library for you. If you just want to integrate EnvKey with your project, check out one of the aforementioned higher level libraries.
+
+## Installation
+
+envkey-fetch compiles into a simple static binary with no dependencies, which makes installation a simple matter of fetching the right binary for your platform and putting it in your `PATH`. An `install.sh` script is available to simplify this, as well as a [homebrew tap](https://github.com/envkey/homebrew-envkey)..
+
+**Install via bash:**
+
+```bash
+curl -s https://raw.githubusercontent.com/envkey/envkey-fetch/master/install.sh | bash
+```
+
+**Install manually:**
+
+Find the [release](https://github.com/envkey/envkey-fetch/releases) for your platform and architecture, and stick the appropriate binary somewhere in your `PATH` (or wherever you like really).
+
+**Install from source:**
+
+With Go installed, clone the project into your `GOPATH`. `cd` into the directory and run `go get` and `go build`.
+
+**Cross-compile from source:**
+
+To compile cross-platform binaries, make sure Go is installed, then install [goreleaser](https://goreleaser.com/) - follow instructions in the docs to do so.
+
+Then to cross-compile, run:
+
+`goreleaser`
+
+Binaries for each platform will be output to the `dist` folder.
+
+## Usage
+
+```bash
+envkey-fetch YOUR-ENVKEY [flags]
+```
+
+This will either write your the app environment's configuration associated with your `ENVKEY` as json to stdout or write an error message beginning with `error:` to stdout.
+
+### Example json output
+
+```json
+{"TEST":"it","TEST_2":"works!"}
+```
+
+### Example error output
+
+```text
+error: ENVKEY invalid
+```
+
+### Flags
+
+```text
+    --cache                   cache encrypted config as a local backup (default is false)
+    --cache-dir string        cache directory (default is $HOME/.envkey/cache)
+    --client-name string      calling client library name (default is none)
+    --client-version string   calling client library version (default is none)
+-h, --help                    help for envkey-fetch
+    --retries uint8           number of times to retry requests on failure (default 3)
+    --retryBackoff float      retry backoff factor: {retryBackoff} * (2 ^ {retries - 1}) (default 1)
+    --timeout float           timeout in seconds for http requests (default 10)
+    --verbose                 print verbose output (default is false)
+-v, --version                 prints the version
+```
+
+## x509 error / ca-certificates
+
+On a stripped down OS like Alpine Linux, you may get an `x509: certificate signed by unknown authority` error when `envkey-fetch` attempts to load your config. `envkey-fetch` tries to handle this by including its own set of trusted CAs via [gocertifi](https://github.com/certifi/gocertifi), but if you're getting this error anyway, you can fix it by ensuring that the `ca-certificates` dependency is installed. On Alpine you'll want to run:
+```
+apk add --no-cache ca-certificates
+```
+
+## Further Reading
+
+For more on EnvKey in general:
+
+Read the [docs](https://docs.envkey.com).
+
+Read the [integration quickstart](https://docs.envkey.com/integration-quickstart.html).
+
+Read the [security and cryptography overview](https://security.envkey.com).
+
+## Need help? Have questions, feedback, or ideas?
+
+Post an [issue](https://github.com/envkey/envkey-fetch/issues) or email us: [support@envkey.com](mailto:support@envkey.com).
+
+
+
+
+
+
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_freebsd_amd64/envkey-fetch b/node_modules/envkey/ext/envkey-fetch_1.2.9_freebsd_amd64/envkey-fetch
new file mode 100644
index 000000000..cfcb9706f
Binary files /dev/null and b/node_modules/envkey/ext/envkey-fetch_1.2.9_freebsd_amd64/envkey-fetch differ
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_amd64/LICENSE b/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_amd64/LICENSE
new file mode 100644
index 000000000..eb67e4a03
--- /dev/null
+++ b/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_amd64/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright © 2021 Envkey Inc. <support@envkey.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_amd64/README.md b/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_amd64/README.md
new file mode 100644
index 000000000..9c8166b26
--- /dev/null
+++ b/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_amd64/README.md
@@ -0,0 +1,97 @@
+# envkey-fetch
+
+This library contains [EnvKey](https://www.envkey.com)'s core cross-platform fetching, decryption, verification, web of trust, redundancy, and caching logic. It accepts an `ENVKEY` generated by the [EnvKey App](https://www.github.com/envkey/envkey-app) and returns decrypted configuration for a specific app environment as json.
+
+It is used by EnvKey's various Client Libraries, including [envkey-source](https://github.com/envkey/envkey-source) for bash, [envkey-ruby](https://github.com/envkey/envkey-ruby) for Ruby and Rails, [envkey-python](https://github.com/envkey/envkey-python) for Python, [envkey-node](https://github.com/envkey/envkey-node) for Node.js, and [envkeygo](https://github.com/envkey/envkeygo) for Go.
+
+If you want to build an EnvKey library in a language that isn't yet officially supported, build some other type of integration, or simply play around with EnvKey on the command line, envkey-fetch is the library for you. If you just want to integrate EnvKey with your project, check out one of the aforementioned higher level libraries.
+
+## Installation
+
+envkey-fetch compiles into a simple static binary with no dependencies, which makes installation a simple matter of fetching the right binary for your platform and putting it in your `PATH`. An `install.sh` script is available to simplify this, as well as a [homebrew tap](https://github.com/envkey/homebrew-envkey)..
+
+**Install via bash:**
+
+```bash
+curl -s https://raw.githubusercontent.com/envkey/envkey-fetch/master/install.sh | bash
+```
+
+**Install manually:**
+
+Find the [release](https://github.com/envkey/envkey-fetch/releases) for your platform and architecture, and stick the appropriate binary somewhere in your `PATH` (or wherever you like really).
+
+**Install from source:**
+
+With Go installed, clone the project into your `GOPATH`. `cd` into the directory and run `go get` and `go build`.
+
+**Cross-compile from source:**
+
+To compile cross-platform binaries, make sure Go is installed, then install [goreleaser](https://goreleaser.com/) - follow instructions in the docs to do so.
+
+Then to cross-compile, run:
+
+`goreleaser`
+
+Binaries for each platform will be output to the `dist` folder.
+
+## Usage
+
+```bash
+envkey-fetch YOUR-ENVKEY [flags]
+```
+
+This will either write your the app environment's configuration associated with your `ENVKEY` as json to stdout or write an error message beginning with `error:` to stdout.
+
+### Example json output
+
+```json
+{"TEST":"it","TEST_2":"works!"}
+```
+
+### Example error output
+
+```text
+error: ENVKEY invalid
+```
+
+### Flags
+
+```text
+    --cache                   cache encrypted config as a local backup (default is false)
+    --cache-dir string        cache directory (default is $HOME/.envkey/cache)
+    --client-name string      calling client library name (default is none)
+    --client-version string   calling client library version (default is none)
+-h, --help                    help for envkey-fetch
+    --retries uint8           number of times to retry requests on failure (default 3)
+    --retryBackoff float      retry backoff factor: {retryBackoff} * (2 ^ {retries - 1}) (default 1)
+    --timeout float           timeout in seconds for http requests (default 10)
+    --verbose                 print verbose output (default is false)
+-v, --version                 prints the version
+```
+
+## x509 error / ca-certificates
+
+On a stripped down OS like Alpine Linux, you may get an `x509: certificate signed by unknown authority` error when `envkey-fetch` attempts to load your config. `envkey-fetch` tries to handle this by including its own set of trusted CAs via [gocertifi](https://github.com/certifi/gocertifi), but if you're getting this error anyway, you can fix it by ensuring that the `ca-certificates` dependency is installed. On Alpine you'll want to run:
+```
+apk add --no-cache ca-certificates
+```
+
+## Further Reading
+
+For more on EnvKey in general:
+
+Read the [docs](https://docs.envkey.com).
+
+Read the [integration quickstart](https://docs.envkey.com/integration-quickstart.html).
+
+Read the [security and cryptography overview](https://security.envkey.com).
+
+## Need help? Have questions, feedback, or ideas?
+
+Post an [issue](https://github.com/envkey/envkey-fetch/issues) or email us: [support@envkey.com](mailto:support@envkey.com).
+
+
+
+
+
+
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_amd64/envkey-fetch b/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_amd64/envkey-fetch
new file mode 100644
index 000000000..7101e5101
Binary files /dev/null and b/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_amd64/envkey-fetch differ
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_arm64/LICENSE b/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_arm64/LICENSE
new file mode 100644
index 000000000..eb67e4a03
--- /dev/null
+++ b/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_arm64/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright © 2021 Envkey Inc. <support@envkey.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_arm64/README.md b/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_arm64/README.md
new file mode 100644
index 000000000..9c8166b26
--- /dev/null
+++ b/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_arm64/README.md
@@ -0,0 +1,97 @@
+# envkey-fetch
+
+This library contains [EnvKey](https://www.envkey.com)'s core cross-platform fetching, decryption, verification, web of trust, redundancy, and caching logic. It accepts an `ENVKEY` generated by the [EnvKey App](https://www.github.com/envkey/envkey-app) and returns decrypted configuration for a specific app environment as json.
+
+It is used by EnvKey's various Client Libraries, including [envkey-source](https://github.com/envkey/envkey-source) for bash, [envkey-ruby](https://github.com/envkey/envkey-ruby) for Ruby and Rails, [envkey-python](https://github.com/envkey/envkey-python) for Python, [envkey-node](https://github.com/envkey/envkey-node) for Node.js, and [envkeygo](https://github.com/envkey/envkeygo) for Go.
+
+If you want to build an EnvKey library in a language that isn't yet officially supported, build some other type of integration, or simply play around with EnvKey on the command line, envkey-fetch is the library for you. If you just want to integrate EnvKey with your project, check out one of the aforementioned higher level libraries.
+
+## Installation
+
+envkey-fetch compiles into a simple static binary with no dependencies, which makes installation a simple matter of fetching the right binary for your platform and putting it in your `PATH`. An `install.sh` script is available to simplify this, as well as a [homebrew tap](https://github.com/envkey/homebrew-envkey)..
+
+**Install via bash:**
+
+```bash
+curl -s https://raw.githubusercontent.com/envkey/envkey-fetch/master/install.sh | bash
+```
+
+**Install manually:**
+
+Find the [release](https://github.com/envkey/envkey-fetch/releases) for your platform and architecture, and stick the appropriate binary somewhere in your `PATH` (or wherever you like really).
+
+**Install from source:**
+
+With Go installed, clone the project into your `GOPATH`. `cd` into the directory and run `go get` and `go build`.
+
+**Cross-compile from source:**
+
+To compile cross-platform binaries, make sure Go is installed, then install [goreleaser](https://goreleaser.com/) - follow instructions in the docs to do so.
+
+Then to cross-compile, run:
+
+`goreleaser`
+
+Binaries for each platform will be output to the `dist` folder.
+
+## Usage
+
+```bash
+envkey-fetch YOUR-ENVKEY [flags]
+```
+
+This will either write your the app environment's configuration associated with your `ENVKEY` as json to stdout or write an error message beginning with `error:` to stdout.
+
+### Example json output
+
+```json
+{"TEST":"it","TEST_2":"works!"}
+```
+
+### Example error output
+
+```text
+error: ENVKEY invalid
+```
+
+### Flags
+
+```text
+    --cache                   cache encrypted config as a local backup (default is false)
+    --cache-dir string        cache directory (default is $HOME/.envkey/cache)
+    --client-name string      calling client library name (default is none)
+    --client-version string   calling client library version (default is none)
+-h, --help                    help for envkey-fetch
+    --retries uint8           number of times to retry requests on failure (default 3)
+    --retryBackoff float      retry backoff factor: {retryBackoff} * (2 ^ {retries - 1}) (default 1)
+    --timeout float           timeout in seconds for http requests (default 10)
+    --verbose                 print verbose output (default is false)
+-v, --version                 prints the version
+```
+
+## x509 error / ca-certificates
+
+On a stripped down OS like Alpine Linux, you may get an `x509: certificate signed by unknown authority` error when `envkey-fetch` attempts to load your config. `envkey-fetch` tries to handle this by including its own set of trusted CAs via [gocertifi](https://github.com/certifi/gocertifi), but if you're getting this error anyway, you can fix it by ensuring that the `ca-certificates` dependency is installed. On Alpine you'll want to run:
+```
+apk add --no-cache ca-certificates
+```
+
+## Further Reading
+
+For more on EnvKey in general:
+
+Read the [docs](https://docs.envkey.com).
+
+Read the [integration quickstart](https://docs.envkey.com/integration-quickstart.html).
+
+Read the [security and cryptography overview](https://security.envkey.com).
+
+## Need help? Have questions, feedback, or ideas?
+
+Post an [issue](https://github.com/envkey/envkey-fetch/issues) or email us: [support@envkey.com](mailto:support@envkey.com).
+
+
+
+
+
+
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_arm64/envkey-fetch b/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_arm64/envkey-fetch
new file mode 100644
index 000000000..334ab7c8e
Binary files /dev/null and b/node_modules/envkey/ext/envkey-fetch_1.2.9_linux_arm64/envkey-fetch differ
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_windows_amd64/LICENSE b/node_modules/envkey/ext/envkey-fetch_1.2.9_windows_amd64/LICENSE
new file mode 100644
index 000000000..eb67e4a03
--- /dev/null
+++ b/node_modules/envkey/ext/envkey-fetch_1.2.9_windows_amd64/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright © 2021 Envkey Inc. <support@envkey.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_windows_amd64/README.md b/node_modules/envkey/ext/envkey-fetch_1.2.9_windows_amd64/README.md
new file mode 100644
index 000000000..9c8166b26
--- /dev/null
+++ b/node_modules/envkey/ext/envkey-fetch_1.2.9_windows_amd64/README.md
@@ -0,0 +1,97 @@
+# envkey-fetch
+
+This library contains [EnvKey](https://www.envkey.com)'s core cross-platform fetching, decryption, verification, web of trust, redundancy, and caching logic. It accepts an `ENVKEY` generated by the [EnvKey App](https://www.github.com/envkey/envkey-app) and returns decrypted configuration for a specific app environment as json.
+
+It is used by EnvKey's various Client Libraries, including [envkey-source](https://github.com/envkey/envkey-source) for bash, [envkey-ruby](https://github.com/envkey/envkey-ruby) for Ruby and Rails, [envkey-python](https://github.com/envkey/envkey-python) for Python, [envkey-node](https://github.com/envkey/envkey-node) for Node.js, and [envkeygo](https://github.com/envkey/envkeygo) for Go.
+
+If you want to build an EnvKey library in a language that isn't yet officially supported, build some other type of integration, or simply play around with EnvKey on the command line, envkey-fetch is the library for you. If you just want to integrate EnvKey with your project, check out one of the aforementioned higher level libraries.
+
+## Installation
+
+envkey-fetch compiles into a simple static binary with no dependencies, which makes installation a simple matter of fetching the right binary for your platform and putting it in your `PATH`. An `install.sh` script is available to simplify this, as well as a [homebrew tap](https://github.com/envkey/homebrew-envkey)..
+
+**Install via bash:**
+
+```bash
+curl -s https://raw.githubusercontent.com/envkey/envkey-fetch/master/install.sh | bash
+```
+
+**Install manually:**
+
+Find the [release](https://github.com/envkey/envkey-fetch/releases) for your platform and architecture, and stick the appropriate binary somewhere in your `PATH` (or wherever you like really).
+
+**Install from source:**
+
+With Go installed, clone the project into your `GOPATH`. `cd` into the directory and run `go get` and `go build`.
+
+**Cross-compile from source:**
+
+To compile cross-platform binaries, make sure Go is installed, then install [goreleaser](https://goreleaser.com/) - follow instructions in the docs to do so.
+
+Then to cross-compile, run:
+
+`goreleaser`
+
+Binaries for each platform will be output to the `dist` folder.
+
+## Usage
+
+```bash
+envkey-fetch YOUR-ENVKEY [flags]
+```
+
+This will either write your the app environment's configuration associated with your `ENVKEY` as json to stdout or write an error message beginning with `error:` to stdout.
+
+### Example json output
+
+```json
+{"TEST":"it","TEST_2":"works!"}
+```
+
+### Example error output
+
+```text
+error: ENVKEY invalid
+```
+
+### Flags
+
+```text
+    --cache                   cache encrypted config as a local backup (default is false)
+    --cache-dir string        cache directory (default is $HOME/.envkey/cache)
+    --client-name string      calling client library name (default is none)
+    --client-version string   calling client library version (default is none)
+-h, --help                    help for envkey-fetch
+    --retries uint8           number of times to retry requests on failure (default 3)
+    --retryBackoff float      retry backoff factor: {retryBackoff} * (2 ^ {retries - 1}) (default 1)
+    --timeout float           timeout in seconds for http requests (default 10)
+    --verbose                 print verbose output (default is false)
+-v, --version                 prints the version
+```
+
+## x509 error / ca-certificates
+
+On a stripped down OS like Alpine Linux, you may get an `x509: certificate signed by unknown authority` error when `envkey-fetch` attempts to load your config. `envkey-fetch` tries to handle this by including its own set of trusted CAs via [gocertifi](https://github.com/certifi/gocertifi), but if you're getting this error anyway, you can fix it by ensuring that the `ca-certificates` dependency is installed. On Alpine you'll want to run:
+```
+apk add --no-cache ca-certificates
+```
+
+## Further Reading
+
+For more on EnvKey in general:
+
+Read the [docs](https://docs.envkey.com).
+
+Read the [integration quickstart](https://docs.envkey.com/integration-quickstart.html).
+
+Read the [security and cryptography overview](https://security.envkey.com).
+
+## Need help? Have questions, feedback, or ideas?
+
+Post an [issue](https://github.com/envkey/envkey-fetch/issues) or email us: [support@envkey.com](mailto:support@envkey.com).
+
+
+
+
+
+
diff --git a/node_modules/envkey/ext/envkey-fetch_1.2.9_windows_amd64/envkey-fetch.exe b/node_modules/envkey/ext/envkey-fetch_1.2.9_windows_amd64/envkey-fetch.exe
new file mode 100644
index 000000000..26483e163
Binary files /dev/null and b/node_modules/envkey/ext/envkey-fetch_1.2.9_windows_amd64/envkey-fetch.exe differ
diff --git a/node_modules/envkey/index.js b/node_modules/envkey/index.js
new file mode 100644
index 000000000..8f787d767
--- /dev/null
+++ b/node_modules/envkey/index.js
@@ -0,0 +1,3 @@
+module.exports = require("./loader.js").load()
+
+
diff --git a/node_modules/envkey/loader.js b/node_modules/envkey/loader.js
new file mode 100644
index 000000000..34b33c053
--- /dev/null
+++ b/node_modules/envkey/loader.js
@@ -0,0 +1,241 @@
+var dotenv = require("dotenv"),
+    path = require('path'),
+    os = require('os'),
+    fs = require('fs'),
+    childProcess = require('child_process'),
+    execFile = childProcess.execFile,
+    execFileSync = childProcess.execFileSync
+
+var ENVKEY_FETCH_VERSION = "1.2.9"
+
+function pickPermitted(vars, opts){
+  if (opts && opts.permitted && opts.permitted.length){
+    var res = {}
+    for (k in vars){
+      if (opts.permitted.indexOf(k) != -1){
+        res[k] = vars[k]
+      }
+    }
+    return res
+  } else {
+    return vars
+  }
+}
+
+function applyVarsToEnv(vars){
+  var varsSet = {}
+  for (k in vars){
+    if(!process.env.hasOwnProperty(k)){
+      var val = vars[k]
+      process.env[k] = val
+      varsSet[k] = val
+    }
+  }
+
+  return varsSet
+}
+
+function getKey(opts){
+  if (opts.dotEnvFile){
+    var path = opts.dotEnvFile;
+
+    if(path.charAt(0) !== "/") {
+      path = "./" + opts.dotEnvFile;
+    }
+
+    dotenv.load({path: path})
+  } else {
+    dotenv.config()
+  }
+
+  return process.env.ENVKEY
+}
+
+function keyError(){
+  return "ENVKEY invalid. Couldn't load vars."
+}
+
+function missingKeyError(){
+  return "ENVKEY missing - must be set as an environment variable or in a gitignored .env file in the root of your project. Go to https://www.envkey.com if you don't know what an ENVKEY is."
+}
+
+function throwMissingKeyError(){
+  var err = missingKeyError()
+  throw err
+}
+
+function throwKeyError(){
+  var err = keyError()
+  throw err
+}
+
+function load(optsOrCb, maybeCb){
+  var opts = typeof optsOrCb == "object" ? optsOrCb : {},
+      cb = typeof optsOrCb == "function" ? optsOrCb : maybeCb,
+      key;
+
+  try {
+    key = getKey(opts)
+  } catch (err){
+    if (cb){
+      cb(err)
+    } else {
+      throw(err)
+    }
+  }
+
+  if (key){
+    if (cb){
+      fetch(key, opts, function(err, vars){
+        if(err){
+          cb(err)
+        } else {
+          cb(null, applyVarsToEnv(vars))
+        }
+      })
+    } else {
+      return applyVarsToEnv(fetch(key, opts))
+    }
+  } else if (cb){
+    cb(missingKeyError())
+  } else {
+    throw missingKeyError()
+  }
+}
+
+function fetch(keyOrCbOrOpts, optsOrCb, maybeCb){
+  var key, opts, cb
+
+  if (typeof keyOrCbOrOpts == "object"){
+    opts = keyOrCbOrOpts
+  } else if (typeof optsOrCb == "object"){
+    opts = optsOrCb
+  } else {
+    opts = {}
+  }
+
+  if (typeof keyOrCbOrOpts == "function"){
+    cb = keyOrCbOrOpts
+  } else if (typeof optsOrCb == "function"){
+    cb = optsOrCb
+  } else {
+    cb = maybeCb
+  }
+
+  try {
+    key = typeof keyOrCbOrOpts == "string" ? keyOrCbOrOpts : getKey(opts)
+  } catch (err){
+    if (cb){
+      cb(err)
+    } else {
+      throw(err)
+    }
+  }
+
+  if(!key && cb){
+    return cb(null, {})
+  } else if (!key){
+    return {}
+  }
+
+  var platform = os.platform(),
+      arch = os.arch(),
+      platformPart,
+      archPart
+
+  switch (platform){
+    case 'darwin':
+    case 'linux':
+      platformPart = platform
+      break
+    case 'freebsd':
+    case 'openbsd':
+      platformPart = "freebsd"
+      break
+    case 'win32':
+      platformPart = "windows"
+      break
+    default:
+      platformPart = "linux"
+  }
+
+  switch (arch){
+    case 'ia32':
+    case 'x32':
+    case 'x86':
+    case 'mips':
+    case 'mipsel':
+    case 'ppc':
+    case 's390':
+      archPart = "386"
+      break
+    case 'x64':
+    case 'ppc64':
+    case 's390x':
+      archPart = "amd64"
+      break
+    case 'arm64':
+    case 'aarch64':
+      archPart = "arm64"
+      break
+    default:
+      archPart = "amd64"
+  }
+
+  if (archPart == "386"){
+    throw new Error("As of 1.3.0, envkey-node only supports 64-bit systems. Please use an earlier version for 32-bit support.")
+  }
+
+
+  var isDev = false
+  if (!process.env.NODE_ENV){
+    var dotenvPath = path.resolve(process.cwd(), '.env')
+    isDev = fs.existsSync(dotenvPath)
+  } else if (["development", "test"].indexOf(process.env.NODE_ENV) > -1){
+    isDev = true
+  }
+
+  var ext = platformPart == "windows" ? ".exe" : "",
+      filePath = path.join(__dirname, "ext", ["envkey-fetch", ENVKEY_FETCH_VERSION, platformPart, archPart].join("_"), ("envkey-fetch" + ext)),
+      execArgs = [key, (isDev ? "--cache" : ""), "--client-name", "envkey-node", "--client-version", "1.3.0"]
+
+  if (cb){
+    execFile(filePath, execArgs, function(err, stdoutStr, stderrStr){
+      if (err){
+        cb(stderrStr)
+      } else if (stdoutStr.indexOf("error: ") == 0){
+        cb(stdoutStr)
+      } else {
+        var json = JSON.parse(stdoutStr)
+        cb(null, pickPermitted(json, opts))
+      }
+    })
+
+  } else {
+    try {
+      var res = execFileSync(filePath, execArgs).toString()
+
+      if(!res || !res.trim()){
+        throwKeyError()
+      }
+
+      var json = JSON.parse(res.toString())
+
+      if(!json){
+        throwKeyError()
+      }
+
+      return pickPermitted(json, opts)
+    } catch (e){
+      if (e.stderr){
+        console.error(e.stderr.toString())
+        throw(e.stderr.toString())
+      } else {
+        console.error(e.stack)
+        throw(e)
+      }
+    }
+  }
+}
+
+module.exports = { load: load, fetch: fetch}
diff --git a/node_modules/envkey/node_modules/dotenv/CHANGELOG.md b/node_modules/envkey/node_modules/dotenv/CHANGELOG.md
new file mode 100644
index 000000000..2fcf56b90
--- /dev/null
+++ b/node_modules/envkey/node_modules/dotenv/CHANGELOG.md
@@ -0,0 +1,76 @@
+# Change Log
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+## [Unreleased]
+
+## [4.0.0] - 2016-12-23
+### Changed
+
+- Return Object with parsed content or error instead of false ([#165](https://github.com/motdotla/dotenv/pull/165)).
+
+
+### Removed
+
+- `verbose` option removed in favor of returning result.
+
+
+## [3.0.0] - 2016-12-20
+### Added
+
+- `verbose` option will log any error messages. Off by default.
+- parses email addresses correctly
+- allow importing config method directly in ES6
+
+### Changed
+
+- Suppress error messages by default ([#154](https://github.com/motdotla/dotenv/pull/154))
+- Ignoring more files for NPM to make package download smaller
+
+### Fixed
+
+- False positive test due to case-sensitive variable ([#124](https://github.com/motdotla/dotenv/pull/124))
+
+### Removed
+
+- `silent` option removed in favor of `verbose`
+
+## [2.0.0] - 2016-01-20
+### Added
+- CHANGELOG to ["make it easier for users and contributors to see precisely what notable changes have been made between each release"](http://keepachangelog.com/). Linked to from README
+- LICENSE to be more explicit about what was defined in `package.json`. Linked to from README
+- Testing nodejs v4 on travis-ci
+- added examples of how to use dotenv in different ways
+- return parsed object on success rather than boolean true
+
+### Changed
+- README has shorter description not referencing ruby gem since we don't have or want feature parity
+
+### Removed
+- Variable expansion and escaping so environment variables are encouraged to be fully orthogonal
+
+## [1.2.0] - 2015-06-20
+### Added
+- Preload hook to require dotenv without including it in your code
+
+### Changed
+- clarified license to be "BSD-2-Clause" in `package.json`
+
+### Fixed
+- retain spaces in string vars
+
+## [1.1.0] - 2015-03-31
+### Added
+- Silent option to silence `console.log` when `.env` missing
+
+## [1.0.0] - 2015-03-13
+### Removed
+- support for multiple `.env` files. should always use one `.env` file for the current environment
+
+[Unreleased]: https://github.com/motdotla/dotenv/compare/v4.0.0...HEAD
+[4.0.0]: https://github.com/motdotla/dotenv/compare/v3.0.0...v4.0.0
+[3.0.0]: https://github.com/motdotla/dotenv/compare/v2.0.0...v3.0.0
+[2.0.0]: https://github.com/motdotla/dotenv/compare/v1.2.0...v2.0.0
+[1.2.0]: https://github.com/motdotla/dotenv/compare/v1.1.0...v1.2.0
+[1.1.0]: https://github.com/motdotla/dotenv/compare/v1.0.0...v1.1.0
+[1.0.0]: https://github.com/motdotla/dotenv/compare/v0.4.0...v1.0.0
diff --git a/node_modules/envkey/node_modules/dotenv/LICENSE b/node_modules/envkey/node_modules/dotenv/LICENSE
new file mode 100644
index 000000000..c430ad8bd
--- /dev/null
+++ b/node_modules/envkey/node_modules/dotenv/LICENSE
@@ -0,0 +1,23 @@
+Copyright (c) 2015, Scott Motte
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/envkey/node_modules/dotenv/README.md b/node_modules/envkey/node_modules/dotenv/README.md
new file mode 100644
index 000000000..3b8ebe1da
--- /dev/null
+++ b/node_modules/envkey/node_modules/dotenv/README.md
@@ -0,0 +1,208 @@
+# dotenv
+
+<img src="https://raw.githubusercontent.com/motdotla/dotenv/master/dotenv.png" alt="dotenv" align="right" />
+
+Dotenv is a zero-dependency module that loads environment variables from a `.env` file into [`process.env`](https://nodejs.org/docs/latest/api/process.html#process_process_env). Storing configuration in the environment separate from code is based on [The Twelve-Factor App](http://12factor.net/config) methodology.
+
+[![BuildStatus](https://img.shields.io/travis/motdotla/dotenv/master.svg?style=flat-square)](https://travis-ci.org/motdotla/dotenv)
+[![NPM version](https://img.shields.io/npm/v/dotenv.svg?style=flat-square)](https://www.npmjs.com/package/dotenv)
+[![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/feross/standard)
+[![Coverage Status](https://img.shields.io/coveralls/motdotla/dotenv/master.svg?style=flat-square)](https://coveralls.io/github/motdotla/dotenv?branch=coverall-intergration)
+
+## Install
+
+```bash
+npm install dotenv --save
+```
+
+## Usage
+
+As early as possible in your application, require and configure dotenv.
+
+```javascript
+require('dotenv').config()
+```
+
+Create a `.env` file in the root directory of your project. Add
+environment-specific variables on new lines in the form of `NAME=VALUE`.
+For example:
+
+```
+DB_HOST=localhost
+DB_USER=root
+DB_PASS=s1mpl3
+```
+
+That's it.
+
+`process.env` now has the keys and values you defined in your `.env` file.
+
+```javascript
+var db = require('db')
+db.connect({
+  host: process.env.DB_HOST,
+  username: process.env.DB_USER,
+  password: process.env.DB_PASS
+})
+```
+
+### Preload
+
+If you are using iojs-v1.6.0 or later, you can use the `--require` (`-r`) command line option to preload dotenv. By doing this, you do not need to require and load dotenv in your application code.
+
+
+```bash
+$ node -r dotenv/config your_script.js
+```
+
+The configuration options below are supported as command line arguments in the format `dotenv_config_<option>=value`
+
+```bash
+$ node -r dotenv/config your_script.js dotenv_config_path=/custom/path/to/your/env/vars
+```
+
+## Config
+
+_Alias: `load`_
+
+`config` will read your .env file, parse the contents, assign it to
+[`process.env`](https://nodejs.org/docs/latest/api/process.html#process_process_env),
+and return an Object with a _parsed_ key containing the loaded content or an _error_ key if it failed.  
+You can additionally, pass options to `config`.
+
+### Options
+
+#### Path
+
+Default: `.env`
+
+You can specify a custom path if your file containing environment variables is
+named or located differently.
+
+```js
+require('dotenv').config({path: '/custom/path/to/your/env/vars'})
+```
+
+#### Encoding
+
+Default: `utf8`
+
+You may specify the encoding of your file containing environment variables
+using this option.
+
+```js
+require('dotenv').config({encoding: 'base64'})
+```
+
+## Parse
+
+The engine which parses the contents of your file containing environment
+variables is available to use. It accepts a String or Buffer and will return
+an Object with the parsed keys and values.
+
+```js
+var dotenv = require('dotenv')
+var buf = new Buffer('BASIC=basic')
+var config = dotenv.parse(buf) // will return an object
+console.log(typeof config, config) // object { BASIC : 'basic' }
+```
+
+### Rules
+
+The parsing engine currently supports the following rules:
+
+- `BASIC=basic` becomes `{BASIC: 'basic'}`
+- empty lines are skipped
+- lines beginning with `#` are treated as comments
+- empty values become empty strings (`EMPTY=` becomes `{EMPTY: ''}`)
+- single and double quoted values are escaped (`SINGLE_QUOTE='quoted'` becomes `{SINGLE_QUOTE: "quoted"}`)
+- new lines are expanded if in double quotes (`MULTILINE="new\nline"` becomes
+
+```
+{MULTILINE: 'new
+line'}
+```
+- inner quotes are maintained (think JSON) (`JSON={"foo": "bar"}` becomes `{JSON:"{\"foo\": \"bar\"}"`)
+
+## FAQ
+
+### Should I commit my `.env` file?
+
+No. We **strongly** recommend against committing your `.env` file to version
+control. It should only include environment-specific values such as database
+passwords or API keys. Your production database should have a different
+password than your development database.
+
+### Should I have multiple `.env` files?
+
+No. We **strongly** recommend against having a "main" `.env` file and an "environment" `.env` file like `.env.test`. Your config should vary between deploys, and you should not be sharing values between environments.
+
+> In a twelve-factor app, env vars are granular controls, each fully orthogonal to other env vars. They are never grouped together as “environments”, but instead are independently managed for each deploy. This is a model that scales up smoothly as the app naturally expands into more deploys over its lifetime.
+>
+> – [The Twelve-Factor App](http://12factor.net/config)
+
+### What happens to environment variables that were already set?
+
+We will never modify any environment variables that have already been set. In particular, if there is a variable in your `.env` file which collides with one that already exists in your environment, then that variable will be skipped. This behavior allows you to override all `.env` configurations with a machine-specific environment, although it is not recommended.
+
+If you want to override `process.env` you can do something like this:
+
+```javascript
+const fs = require('fs')
+const dotenv = require('dotenv')
+const envConfig = dotenv.parse(fs.readFileSync('.env.override'))
+for (var k in envConfig) {
+  process.env[k] = envConfig[k]
+}
+```
+
+### Can I customize/write plugins for dotenv?
+
+For `dotenv@2.x.x`: Yes. `dotenv.config()` now returns an object representing
+the parsed `.env` file. This gives you everything you need to continue
+setting values on `process.env`. For example:
+
+```js
+var dotenv = require('dotenv')
+var variableExpansion = require('dotenv-expand')
+const myEnv = dotenv.config()
+variableExpansion(myEnv)
+```
+
+### What about variable expansion?
+
+For `dotenv@2.x.x`: Use [dotenv-expand](https://github.com/motdotla/dotenv-expand).
+
+For `dotenv@1.x.x`: We haven't been presented with a compelling use case for expanding variables and believe it leads to env vars that are not "fully orthogonal" as [The Twelve-Factor App](http://12factor.net/config) outlines.<sup>[[1](https://github.com/motdotla/dotenv/issues/39)][[2](https://github.com/motdotla/dotenv/pull/97)]</sup> Please open an issue if you have a compelling use case.
+
+## Contributing Guide
+
+See [CONTRIBUTING.md](CONTRIBUTING.md)
+
+## Change Log
+
+See [CHANGELOG.md](CHANGELOG.md)
+
+## License
+
+See [LICENSE](LICENSE)
+
+## Who's using dotenv
+
+Here's just a few of many repositories using dotenv:
+
+* [jaws](https://github.com/jaws-framework/jaws-core-js)
+* [node-lambda](https://github.com/motdotla/node-lambda)
+* [resume-cli](https://www.npmjs.com/package/resume-cli)
+* [phant](https://www.npmjs.com/package/phant)
+* [adafruit-io-node](https://github.com/adafruit/adafruit-io-node)
+* [mockbin](https://www.npmjs.com/package/mockbin)
+* [and many more...](https://www.npmjs.com/browse/depended/dotenv)
+
+## Go well with dotenv
+
+Here's some projects that expand on dotenv. Check them out.
+
+* [require-environment-variables](https://github.com/bjoshuanoah/require-environment-variables)
+* [dotenv-safe](https://github.com/rolodato/dotenv-safe)
+* [envalid](https://github.com/af/envalid)
diff --git a/node_modules/envkey/node_modules/dotenv/config.js b/node_modules/envkey/node_modules/dotenv/config.js
new file mode 100644
index 000000000..86d6fa5fa
--- /dev/null
+++ b/node_modules/envkey/node_modules/dotenv/config.js
@@ -0,0 +1,11 @@
+(function () {
+  var options = {}
+  process.argv.forEach(function (val, idx, arr) {
+    var matches = val.match(/^dotenv_config_(.+)=(.+)/)
+    if (matches) {
+      options[matches[1]] = matches[2]
+    }
+  })
+
+  require('./lib/main').config(options)
+})()
diff --git a/node_modules/envkey/node_modules/dotenv/lib/main.js b/node_modules/envkey/node_modules/dotenv/lib/main.js
new file mode 100644
index 000000000..eb96e7fd5
--- /dev/null
+++ b/node_modules/envkey/node_modules/dotenv/lib/main.js
@@ -0,0 +1,74 @@
+'use strict'
+
+var fs = require('fs')
+
+/*
+ * Parses a string or buffer into an object
+ * @param {String|Buffer} src - source to be parsed
+ * @returns {Object}
+*/
+function parse (src) {
+  var obj = {}
+
+  // convert Buffers before splitting into lines and processing
+  src.toString().split('\n').forEach(function (line) {
+    // matching "KEY' and 'VAL' in 'KEY=VAL'
+    var keyValueArr = line.match(/^\s*([\w\.\-]+)\s*=\s*(.*)?\s*$/)
+    // matched?
+    if (keyValueArr != null) {
+      var key = keyValueArr[1]
+
+      // default undefined or missing values to empty string
+      var value = keyValueArr[2] ? keyValueArr[2] : ''
+
+      // expand newlines in quoted values
+      var len = value ? value.length : 0
+      if (len > 0 && value.charAt(0) === '"' && value.charAt(len - 1) === '"') {
+        value = value.replace(/\\n/gm, '\n')
+      }
+
+      // remove any surrounding quotes and extra spaces
+      value = value.replace(/(^['"]|['"]$)/g, '').trim()
+
+      obj[key] = value
+    }
+  })
+
+  return obj
+}
+
+/*
+ * Main entry point into dotenv. Allows configuration before loading .env
+ * @param {Object} options - valid options: path ('.env'), encoding ('utf8')
+ * @returns {Boolean}
+*/
+function config (options) {
+  var path = '.env'
+  var encoding = 'utf8'
+
+  if (options) {
+    if (options.path) {
+      path = options.path
+    }
+    if (options.encoding) {
+      encoding = options.encoding
+    }
+  }
+
+  try {
+    // specifying an encoding returns a string instead of a buffer
+    var parsedObj = parse(fs.readFileSync(path, { encoding: encoding }))
+
+    Object.keys(parsedObj).forEach(function (key) {
+      process.env[key] = process.env[key] || parsedObj[key]
+    })
+
+    return { parsed: parsedObj }
+  } catch (e) {
+    return { error: e }
+  }
+}
+
+module.exports.config = config
+module.exports.load = config
+module.exports.parse = parse
diff --git a/node_modules/envkey/node_modules/dotenv/package.json b/node_modules/envkey/node_modules/dotenv/package.json
new file mode 100644
index 000000000..385584923
--- /dev/null
+++ b/node_modules/envkey/node_modules/dotenv/package.json
@@ -0,0 +1,43 @@
+{
+  "name": "dotenv",
+  "version": "4.0.0",
+  "description": "Loads environment variables from .env file",
+  "main": "lib/main.js",
+  "scripts": {
+    "pretest": "npm run lint",
+    "test": "lab test/* -r lcov | coveralls",
+    "lint": "standard",
+    "postlint": "npm run lint-md",
+    "lint-md": "standard-markdown"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/motdotla/dotenv.git"
+  },
+  "keywords": [
+    "dotenv",
+    "env",
+    ".env",
+    "environment",
+    "variables",
+    "config",
+    "settings"
+  ],
+  "readmeFilename": "README.md",
+  "author": "scottmotte",
+  "license": "BSD-2-Clause",
+  "devDependencies": {
+    "babel": "5.8.23",
+    "coveralls": "^2.11.9",
+    "lab": "11.1.0",
+    "semver": "5.3.0",
+    "should": "11.1.1",
+    "sinon": "1.17.6",
+    "standard": "8.4.0",
+    "standard-markdown": "2.2.0"
+  },
+  "dependencies": {},
+  "engines": {
+    "node": ">=4.6.0"
+  }
+}
diff --git a/node_modules/envkey/package.json b/node_modules/envkey/package.json
new file mode 100644
index 000000000..fefde4d4b
--- /dev/null
+++ b/node_modules/envkey/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "envkey",
+  "version": "1.3.2",
+  "description": "EnvKey secures and simplifies application secrets and config.",
+  "repository": "https://github.com/envkey/envkey-js",
+  "main": "index.js",
+  "scripts": {
+    "test": "jest"
+  },
+  "keywords": [
+    "configuration",
+    "environment variables",
+    "encryption",
+    "security"
+  ],
+  "author": "Dane Schneider <dane@envkey.com> (https://www.envkey.com)",
+  "license": "ISC",
+  "dependencies": {
+    "dotenv": "^4.0.0"
+  },
+  "devDependencies": {
+    "jest": "^20.0.4"
+  }
+}
diff --git a/node_modules/escape-html/LICENSE b/node_modules/escape-html/LICENSE
new file mode 100644
index 000000000..2e70de971
--- /dev/null
+++ b/node_modules/escape-html/LICENSE
@@ -0,0 +1,24 @@
+(The MIT License)
+
+Copyright (c) 2012-2013 TJ Holowaychuk
+Copyright (c) 2015 Andreas Lubbe
+Copyright (c) 2015 Tiancheng "Timothy" Gu
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/escape-html/Readme.md b/node_modules/escape-html/Readme.md
new file mode 100644
index 000000000..653d9eaa7
--- /dev/null
+++ b/node_modules/escape-html/Readme.md
@@ -0,0 +1,43 @@
+
+# escape-html
+
+  Escape string for use in HTML
+
+## Example
+
+```js
+var escape = require('escape-html');
+var html = escape('foo & bar');
+// -> foo &amp; bar
+```
+
+## Benchmark
+
+```
+$ npm run-script bench
+
+> escape-html@1.0.3 bench nodejs-escape-html
+> node benchmark/index.js
+
+
+  http_parser@1.0
+  node@0.10.33
+  v8@3.14.5.9
+  ares@1.9.0-DEV
+  uv@0.10.29
+  zlib@1.2.3
+  modules@11
+  openssl@1.0.1j
+
+  1 test completed.
+  2 tests completed.
+  3 tests completed.
+
+  no special characters    x 19,435,271 ops/sec ±0.85% (187 runs sampled)
+  single special character x  6,132,421 ops/sec ±0.67% (194 runs sampled)
+  many special characters  x  3,175,826 ops/sec ±0.65% (193 runs sampled)
+```
+
+## License
+
+  MIT
\ No newline at end of file
diff --git a/node_modules/escape-html/index.js b/node_modules/escape-html/index.js
new file mode 100644
index 000000000..bf9e226f4
--- /dev/null
+++ b/node_modules/escape-html/index.js
@@ -0,0 +1,78 @@
+/*!
+ * escape-html
+ * Copyright(c) 2012-2013 TJ Holowaychuk
+ * Copyright(c) 2015 Andreas Lubbe
+ * Copyright(c) 2015 Tiancheng "Timothy" Gu
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var matchHtmlRegExp = /["'&<>]/;
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = escapeHtml;
+
+/**
+ * Escape special characters in the given string of html.
+ *
+ * @param  {string} string The string to escape for inserting into HTML
+ * @return {string}
+ * @public
+ */
+
+function escapeHtml(string) {
+  var str = '' + string;
+  var match = matchHtmlRegExp.exec(str);
+
+  if (!match) {
+    return str;
+  }
+
+  var escape;
+  var html = '';
+  var index = 0;
+  var lastIndex = 0;
+
+  for (index = match.index; index < str.length; index++) {
+    switch (str.charCodeAt(index)) {
+      case 34: // "
+        escape = '&quot;';
+        break;
+      case 38: // &
+        escape = '&amp;';
+        break;
+      case 39: // '
+        escape = '&#39;';
+        break;
+      case 60: // <
+        escape = '&lt;';
+        break;
+      case 62: // >
+        escape = '&gt;';
+        break;
+      default:
+        continue;
+    }
+
+    if (lastIndex !== index) {
+      html += str.substring(lastIndex, index);
+    }
+
+    lastIndex = index + 1;
+    html += escape;
+  }
+
+  return lastIndex !== index
+    ? html + str.substring(lastIndex, index)
+    : html;
+}
diff --git a/node_modules/escape-html/package.json b/node_modules/escape-html/package.json
new file mode 100644
index 000000000..57ec7bd07
--- /dev/null
+++ b/node_modules/escape-html/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "escape-html",
+  "description": "Escape string for use in HTML",
+  "version": "1.0.3",
+  "license": "MIT",
+  "keywords": [
+    "escape",
+    "html",
+    "utility"
+  ],
+  "repository": "component/escape-html",
+  "devDependencies": {
+    "benchmark": "1.0.0",
+    "beautify-benchmark": "0.2.4"
+  },
+  "files": [
+    "LICENSE",
+    "Readme.md",
+    "index.js"
+  ],
+  "scripts": {
+    "bench": "node benchmark/index.js"
+  }
+}
diff --git a/node_modules/etag/HISTORY.md b/node_modules/etag/HISTORY.md
new file mode 100644
index 000000000..222b293de
--- /dev/null
+++ b/node_modules/etag/HISTORY.md
@@ -0,0 +1,83 @@
+1.8.1 / 2017-09-12
+==================
+
+  * perf: replace regular expression with substring
+
+1.8.0 / 2017-02-18
+==================
+
+  * Use SHA1 instead of MD5 for ETag hashing
+    - Improves performance for larger entities
+    - Works with FIPS 140-2 OpenSSL configuration
+
+1.7.0 / 2015-06-08
+==================
+
+  * Always include entity length in ETags for hash length extensions
+  * Generate non-Stats ETags using MD5 only (no longer CRC32)
+  * Improve stat performance by removing hashing
+  * Remove base64 padding in ETags to shorten
+  * Use MD5 instead of MD4 in weak ETags over 1KB
+
+1.6.0 / 2015-05-10
+==================
+
+  * Improve support for JXcore
+  * Remove requirement of `atime` in the stats object
+  * Support "fake" stats objects in environments without `fs`
+
+1.5.1 / 2014-11-19
+==================
+
+  * deps: crc@3.2.1
+    - Minor fixes
+
+1.5.0 / 2014-10-14
+==================
+
+  * Improve string performance
+  * Slightly improve speed for weak ETags over 1KB
+
+1.4.0 / 2014-09-21
+==================
+
+  * Support "fake" stats objects
+  * Support Node.js 0.6
+
+1.3.1 / 2014-09-14
+==================
+
+  * Use the (new and improved) `crc` for crc32
+
+1.3.0 / 2014-08-29
+==================
+
+  * Default strings to strong ETags
+  * Improve speed for weak ETags over 1KB
+
+1.2.1 / 2014-08-29
+==================
+
+  * Use the (much faster) `buffer-crc32` for crc32
+
+1.2.0 / 2014-08-24
+==================
+
+  * Add support for file stat objects
+
+1.1.0 / 2014-08-24
+==================
+
+  * Add fast-path for empty entity
+  * Add weak ETag generation
+  * Shrink size of generated ETags
+
+1.0.1 / 2014-08-24
+==================
+
+  * Fix behavior of string containing Unicode
+
+1.0.0 / 2014-05-18
+==================
+
+  * Initial release
diff --git a/node_modules/etag/LICENSE b/node_modules/etag/LICENSE
new file mode 100644
index 000000000..cab251c2b
--- /dev/null
+++ b/node_modules/etag/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2014-2016 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/etag/README.md b/node_modules/etag/README.md
new file mode 100644
index 000000000..09c2169e7
--- /dev/null
+++ b/node_modules/etag/README.md
@@ -0,0 +1,159 @@
+# etag
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Create simple HTTP ETags
+
+This module generates HTTP ETags (as defined in RFC 7232) for use in
+HTTP responses.
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install etag
+```
+
+## API
+
+<!-- eslint-disable no-unused-vars -->
+
+```js
+var etag = require('etag')
+```
+
+### etag(entity, [options])
+
+Generate a strong ETag for the given entity. This should be the complete
+body of the entity. Strings, `Buffer`s, and `fs.Stats` are accepted. By
+default, a strong ETag is generated except for `fs.Stats`, which will
+generate a weak ETag (this can be overwritten by `options.weak`).
+
+<!-- eslint-disable no-undef -->
+
+```js
+res.setHeader('ETag', etag(body))
+```
+
+#### Options
+
+`etag` accepts these properties in the options object.
+
+##### weak
+
+Specifies if the generated ETag will include the weak validator mark (that
+is, the leading `W/`). The actual entity tag is the same. The default value
+is `false`, unless the `entity` is `fs.Stats`, in which case it is `true`.
+
+## Testing
+
+```sh
+$ npm test
+```
+
+## Benchmark
+
+```bash
+$ npm run-script bench
+
+> etag@1.8.1 bench nodejs-etag
+> node benchmark/index.js
+
+  http_parser@2.7.0
+  node@6.11.1
+  v8@5.1.281.103
+  uv@1.11.0
+  zlib@1.2.11
+  ares@1.10.1-DEV
+  icu@58.2
+  modules@48
+  openssl@1.0.2k
+
+> node benchmark/body0-100b.js
+
+  100B body
+
+  4 tests completed.
+
+  buffer - strong x 258,647 ops/sec ±1.07% (180 runs sampled)
+  buffer - weak   x 263,812 ops/sec ±0.61% (184 runs sampled)
+  string - strong x 259,955 ops/sec ±1.19% (185 runs sampled)
+  string - weak   x 264,356 ops/sec ±1.09% (184 runs sampled)
+
+> node benchmark/body1-1kb.js
+
+  1KB body
+
+  4 tests completed.
+
+  buffer - strong x 189,018 ops/sec ±1.12% (182 runs sampled)
+  buffer - weak   x 190,586 ops/sec ±0.81% (186 runs sampled)
+  string - strong x 144,272 ops/sec ±0.96% (188 runs sampled)
+  string - weak   x 145,380 ops/sec ±1.43% (187 runs sampled)
+
+> node benchmark/body2-5kb.js
+
+  5KB body
+
+  4 tests completed.
+
+  buffer - strong x 92,435 ops/sec ±0.42% (188 runs sampled)
+  buffer - weak   x 92,373 ops/sec ±0.58% (189 runs sampled)
+  string - strong x 48,850 ops/sec ±0.56% (186 runs sampled)
+  string - weak   x 49,380 ops/sec ±0.56% (190 runs sampled)
+
+> node benchmark/body3-10kb.js
+
+  10KB body
+
+  4 tests completed.
+
+  buffer - strong x 55,989 ops/sec ±0.93% (188 runs sampled)
+  buffer - weak   x 56,148 ops/sec ±0.55% (190 runs sampled)
+  string - strong x 27,345 ops/sec ±0.43% (188 runs sampled)
+  string - weak   x 27,496 ops/sec ±0.45% (190 runs sampled)
+
+> node benchmark/body4-100kb.js
+
+  100KB body
+
+  4 tests completed.
+
+  buffer - strong x 7,083 ops/sec ±0.22% (190 runs sampled)
+  buffer - weak   x 7,115 ops/sec ±0.26% (191 runs sampled)
+  string - strong x 3,068 ops/sec ±0.34% (190 runs sampled)
+  string - weak   x 3,096 ops/sec ±0.35% (190 runs sampled)
+
+> node benchmark/stats.js
+
+  stat
+
+  4 tests completed.
+
+  real - strong x 871,642 ops/sec ±0.34% (189 runs sampled)
+  real - weak   x 867,613 ops/sec ±0.39% (190 runs sampled)
+  fake - strong x 401,051 ops/sec ±0.40% (189 runs sampled)
+  fake - weak   x 400,100 ops/sec ±0.47% (188 runs sampled)
+```
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/etag.svg
+[npm-url]: https://npmjs.org/package/etag
+[node-version-image]: https://img.shields.io/node/v/etag.svg
+[node-version-url]: https://nodejs.org/en/download/
+[travis-image]: https://img.shields.io/travis/jshttp/etag/master.svg
+[travis-url]: https://travis-ci.org/jshttp/etag
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/etag/master.svg
+[coveralls-url]: https://coveralls.io/r/jshttp/etag?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/etag.svg
+[downloads-url]: https://npmjs.org/package/etag
diff --git a/node_modules/etag/index.js b/node_modules/etag/index.js
new file mode 100644
index 000000000..2a585c91f
--- /dev/null
+++ b/node_modules/etag/index.js
@@ -0,0 +1,131 @@
+/*!
+ * etag
+ * Copyright(c) 2014-2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = etag
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var crypto = require('crypto')
+var Stats = require('fs').Stats
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var toString = Object.prototype.toString
+
+/**
+ * Generate an entity tag.
+ *
+ * @param {Buffer|string} entity
+ * @return {string}
+ * @private
+ */
+
+function entitytag (entity) {
+  if (entity.length === 0) {
+    // fast-path empty
+    return '"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk"'
+  }
+
+  // compute hash of entity
+  var hash = crypto
+    .createHash('sha1')
+    .update(entity, 'utf8')
+    .digest('base64')
+    .substring(0, 27)
+
+  // compute length of entity
+  var len = typeof entity === 'string'
+    ? Buffer.byteLength(entity, 'utf8')
+    : entity.length
+
+  return '"' + len.toString(16) + '-' + hash + '"'
+}
+
+/**
+ * Create a simple ETag.
+ *
+ * @param {string|Buffer|Stats} entity
+ * @param {object} [options]
+ * @param {boolean} [options.weak]
+ * @return {String}
+ * @public
+ */
+
+function etag (entity, options) {
+  if (entity == null) {
+    throw new TypeError('argument entity is required')
+  }
+
+  // support fs.Stats object
+  var isStats = isstats(entity)
+  var weak = options && typeof options.weak === 'boolean'
+    ? options.weak
+    : isStats
+
+  // validate argument
+  if (!isStats && typeof entity !== 'string' && !Buffer.isBuffer(entity)) {
+    throw new TypeError('argument entity must be string, Buffer, or fs.Stats')
+  }
+
+  // generate entity tag
+  var tag = isStats
+    ? stattag(entity)
+    : entitytag(entity)
+
+  return weak
+    ? 'W/' + tag
+    : tag
+}
+
+/**
+ * Determine if object is a Stats object.
+ *
+ * @param {object} obj
+ * @return {boolean}
+ * @api private
+ */
+
+function isstats (obj) {
+  // genuine fs.Stats
+  if (typeof Stats === 'function' && obj instanceof Stats) {
+    return true
+  }
+
+  // quack quack
+  return obj && typeof obj === 'object' &&
+    'ctime' in obj && toString.call(obj.ctime) === '[object Date]' &&
+    'mtime' in obj && toString.call(obj.mtime) === '[object Date]' &&
+    'ino' in obj && typeof obj.ino === 'number' &&
+    'size' in obj && typeof obj.size === 'number'
+}
+
+/**
+ * Generate a tag for a stat.
+ *
+ * @param {object} stat
+ * @return {string}
+ * @private
+ */
+
+function stattag (stat) {
+  var mtime = stat.mtime.getTime().toString(16)
+  var size = stat.size.toString(16)
+
+  return '"' + size + '-' + mtime + '"'
+}
diff --git a/node_modules/etag/package.json b/node_modules/etag/package.json
new file mode 100644
index 000000000..b06ab803c
--- /dev/null
+++ b/node_modules/etag/package.json
@@ -0,0 +1,47 @@
+{
+  "name": "etag",
+  "description": "Create simple HTTP ETags",
+  "version": "1.8.1",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "David Björklund <david.bjorklund@gmail.com>"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "etag",
+    "http",
+    "res"
+  ],
+  "repository": "jshttp/etag",
+  "devDependencies": {
+    "beautify-benchmark": "0.2.4",
+    "benchmark": "2.1.4",
+    "eslint": "3.19.0",
+    "eslint-config-standard": "10.2.1",
+    "eslint-plugin-import": "2.7.0",
+    "eslint-plugin-markdown": "1.0.0-beta.6",
+    "eslint-plugin-node": "5.1.1",
+    "eslint-plugin-promise": "3.5.0",
+    "eslint-plugin-standard": "3.0.1",
+    "istanbul": "0.4.5",
+    "mocha": "1.21.5",
+    "safe-buffer": "5.1.1",
+    "seedrandom": "2.4.3"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "bench": "node benchmark/index.js",
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/"
+  }
+}
diff --git a/node_modules/express/History.md b/node_modules/express/History.md
new file mode 100644
index 000000000..4c12ec973
--- /dev/null
+++ b/node_modules/express/History.md
@@ -0,0 +1,3579 @@
+4.18.1 / 2022-04-29
+===================
+
+  * Fix hanging on large stack of sync routes
+
+4.18.0 / 2022-04-25
+===================
+
+  * Add "root" option to `res.download`
+  * Allow `options` without `filename` in `res.download`
+  * Deprecate string and non-integer arguments to `res.status`
+  * Fix behavior of `null`/`undefined` as `maxAge` in `res.cookie`
+  * Fix handling very large stacks of sync middleware
+  * Ignore `Object.prototype` values in settings through `app.set`/`app.get`
+  * Invoke `default` with same arguments as types in `res.format`
+  * Support proper 205 responses using `res.send`
+  * Use `http-errors` for `res.format` error
+  * deps: body-parser@1.20.0
+    - Fix error message for json parse whitespace in `strict`
+    - Fix internal error when inflated body exceeds limit
+    - Prevent loss of async hooks context
+    - Prevent hanging when request already read
+    - deps: depd@2.0.0
+    - deps: http-errors@2.0.0
+    - deps: on-finished@2.4.1
+    - deps: qs@6.10.3
+    - deps: raw-body@2.5.1
+  * deps: cookie@0.5.0
+    - Add `priority` option
+    - Fix `expires` option to reject invalid dates
+  * deps: depd@2.0.0
+    - Replace internal `eval` usage with `Function` constructor
+    - Use instance methods on `process` to check for listeners
+  * deps: finalhandler@1.2.0
+    - Remove set content headers that break response
+    - deps: on-finished@2.4.1
+    - deps: statuses@2.0.1
+  * deps: on-finished@2.4.1
+    - Prevent loss of async hooks context
+  * deps: qs@6.10.3
+  * deps: send@0.18.0
+    - Fix emitted 416 error missing headers property
+    - Limit the headers removed for 304 response
+    - deps: depd@2.0.0
+    - deps: destroy@1.2.0
+    - deps: http-errors@2.0.0
+    - deps: on-finished@2.4.1
+    - deps: statuses@2.0.1
+  * deps: serve-static@1.15.0
+    - deps: send@0.18.0
+  * deps: statuses@2.0.1
+    - Remove code 306
+    - Rename `425 Unordered Collection` to standard `425 Too Early`
+
+4.17.3 / 2022-02-16
+===================
+
+  * deps: accepts@~1.3.8
+    - deps: mime-types@~2.1.34
+    - deps: negotiator@0.6.3
+  * deps: body-parser@1.19.2
+    - deps: bytes@3.1.2
+    - deps: qs@6.9.7
+    - deps: raw-body@2.4.3
+  * deps: cookie@0.4.2
+  * deps: qs@6.9.7
+    * Fix handling of `__proto__` keys
+  * pref: remove unnecessary regexp for trust proxy
+
+4.17.2 / 2021-12-16
+===================
+
+  * Fix handling of `undefined` in `res.jsonp`
+  * Fix handling of `undefined` when `"json escape"` is enabled
+  * Fix incorrect middleware execution with unanchored `RegExp`s
+  * Fix `res.jsonp(obj, status)` deprecation message
+  * Fix typo in `res.is` JSDoc
+  * deps: body-parser@1.19.1
+    - deps: bytes@3.1.1
+    - deps: http-errors@1.8.1
+    - deps: qs@6.9.6
+    - deps: raw-body@2.4.2
+    - deps: safe-buffer@5.2.1
+    - deps: type-is@~1.6.18
+  * deps: content-disposition@0.5.4
+    - deps: safe-buffer@5.2.1
+  * deps: cookie@0.4.1
+    - Fix `maxAge` option to reject invalid values
+  * deps: proxy-addr@~2.0.7
+    - Use `req.socket` over deprecated `req.connection`
+    - deps: forwarded@0.2.0
+    - deps: ipaddr.js@1.9.1
+  * deps: qs@6.9.6
+  * deps: safe-buffer@5.2.1
+  * deps: send@0.17.2
+    - deps: http-errors@1.8.1
+    - deps: ms@2.1.3
+    - pref: ignore empty http tokens
+  * deps: serve-static@1.14.2
+    - deps: send@0.17.2
+  * deps: setprototypeof@1.2.0
+
+4.17.1 / 2019-05-25
+===================
+
+  * Revert "Improve error message for `null`/`undefined` to `res.status`"
+
+4.17.0 / 2019-05-16
+===================
+
+  * Add `express.raw` to parse bodies into `Buffer`
+  * Add `express.text` to parse bodies into string
+  * Improve error message for non-strings to `res.sendFile`
+  * Improve error message for `null`/`undefined` to `res.status`
+  * Support multiple hosts in `X-Forwarded-Host`
+  * deps: accepts@~1.3.7
+  * deps: body-parser@1.19.0
+    - Add encoding MIK
+    - Add petabyte (`pb`) support
+    - Fix parsing array brackets after index
+    - deps: bytes@3.1.0
+    - deps: http-errors@1.7.2
+    - deps: iconv-lite@0.4.24
+    - deps: qs@6.7.0
+    - deps: raw-body@2.4.0
+    - deps: type-is@~1.6.17
+  * deps: content-disposition@0.5.3
+  * deps: cookie@0.4.0
+    - Add `SameSite=None` support
+  * deps: finalhandler@~1.1.2
+    - Set stricter `Content-Security-Policy` header
+    - deps: parseurl@~1.3.3
+    - deps: statuses@~1.5.0
+  * deps: parseurl@~1.3.3
+  * deps: proxy-addr@~2.0.5
+    - deps: ipaddr.js@1.9.0
+  * deps: qs@6.7.0
+    - Fix parsing array brackets after index
+  * deps: range-parser@~1.2.1
+  * deps: send@0.17.1
+    - Set stricter CSP header in redirect & error responses
+    - deps: http-errors@~1.7.2
+    - deps: mime@1.6.0
+    - deps: ms@2.1.1
+    - deps: range-parser@~1.2.1
+    - deps: statuses@~1.5.0
+    - perf: remove redundant `path.normalize` call
+  * deps: serve-static@1.14.1
+    - Set stricter CSP header in redirect response
+    - deps: parseurl@~1.3.3
+    - deps: send@0.17.1
+  * deps: setprototypeof@1.1.1
+  * deps: statuses@~1.5.0
+    - Add `103 Early Hints`
+  * deps: type-is@~1.6.18
+    - deps: mime-types@~2.1.24
+    - perf: prevent internal `throw` on invalid type
+
+4.16.4 / 2018-10-10
+===================
+
+  * Fix issue where `"Request aborted"` may be logged in `res.sendfile`
+  * Fix JSDoc for `Router` constructor
+  * deps: body-parser@1.18.3
+    - Fix deprecation warnings on Node.js 10+
+    - Fix stack trace for strict json parse error
+    - deps: depd@~1.1.2
+    - deps: http-errors@~1.6.3
+    - deps: iconv-lite@0.4.23
+    - deps: qs@6.5.2
+    - deps: raw-body@2.3.3
+    - deps: type-is@~1.6.16
+  * deps: proxy-addr@~2.0.4
+    - deps: ipaddr.js@1.8.0
+  * deps: qs@6.5.2
+  * deps: safe-buffer@5.1.2
+
+4.16.3 / 2018-03-12
+===================
+
+  * deps: accepts@~1.3.5
+    - deps: mime-types@~2.1.18
+  * deps: depd@~1.1.2
+    - perf: remove argument reassignment
+  * deps: encodeurl@~1.0.2
+    - Fix encoding `%` as last character
+  * deps: finalhandler@1.1.1
+    - Fix 404 output for bad / missing pathnames
+    - deps: encodeurl@~1.0.2
+    - deps: statuses@~1.4.0
+  * deps: proxy-addr@~2.0.3
+    - deps: ipaddr.js@1.6.0
+  * deps: send@0.16.2
+    - Fix incorrect end tag in default error & redirects
+    - deps: depd@~1.1.2
+    - deps: encodeurl@~1.0.2
+    - deps: statuses@~1.4.0
+  * deps: serve-static@1.13.2
+    - Fix incorrect end tag in redirects
+    - deps: encodeurl@~1.0.2
+    - deps: send@0.16.2
+  * deps: statuses@~1.4.0
+  * deps: type-is@~1.6.16
+    - deps: mime-types@~2.1.18
+
+4.16.2 / 2017-10-09
+===================
+
+  * Fix `TypeError` in `res.send` when given `Buffer` and `ETag` header set
+  * perf: skip parsing of entire `X-Forwarded-Proto` header
+
+4.16.1 / 2017-09-29
+===================
+
+  * deps: send@0.16.1
+  * deps: serve-static@1.13.1
+    - Fix regression when `root` is incorrectly set to a file
+    - deps: send@0.16.1
+
+4.16.0 / 2017-09-28
+===================
+
+  * Add `"json escape"` setting for `res.json` and `res.jsonp`
+  * Add `express.json` and `express.urlencoded` to parse bodies
+  * Add `options` argument to `res.download`
+  * Improve error message when autoloading invalid view engine
+  * Improve error messages when non-function provided as middleware
+  * Skip `Buffer` encoding when not generating ETag for small response
+  * Use `safe-buffer` for improved Buffer API
+  * deps: accepts@~1.3.4
+    - deps: mime-types@~2.1.16
+  * deps: content-type@~1.0.4
+    - perf: remove argument reassignment
+    - perf: skip parameter parsing when no parameters
+  * deps: etag@~1.8.1
+    - perf: replace regular expression with substring
+  * deps: finalhandler@1.1.0
+    - Use `res.headersSent` when available
+  * deps: parseurl@~1.3.2
+    - perf: reduce overhead for full URLs
+    - perf: unroll the "fast-path" `RegExp`
+  * deps: proxy-addr@~2.0.2
+    - Fix trimming leading / trailing OWS in `X-Forwarded-For`
+    - deps: forwarded@~0.1.2
+    - deps: ipaddr.js@1.5.2
+    - perf: reduce overhead when no `X-Forwarded-For` header
+  * deps: qs@6.5.1
+    - Fix parsing & compacting very deep objects
+  * deps: send@0.16.0
+    - Add 70 new types for file extensions
+    - Add `immutable` option
+    - Fix missing `</html>` in default error & redirects
+    - Set charset as "UTF-8" for .js and .json
+    - Use instance methods on steam to check for listeners
+    - deps: mime@1.4.1
+    - perf: improve path validation speed
+  * deps: serve-static@1.13.0
+    - Add 70 new types for file extensions
+    - Add `immutable` option
+    - Set charset as "UTF-8" for .js and .json
+    - deps: send@0.16.0
+  * deps: setprototypeof@1.1.0
+  * deps: utils-merge@1.0.1
+  * deps: vary@~1.1.2
+    - perf: improve header token parsing speed
+  * perf: re-use options object when generating ETags
+  * perf: remove dead `.charset` set in `res.jsonp`
+
+4.15.5 / 2017-09-24
+===================
+
+  * deps: debug@2.6.9
+  * deps: finalhandler@~1.0.6
+    - deps: debug@2.6.9
+    - deps: parseurl@~1.3.2
+  * deps: fresh@0.5.2
+    - Fix handling of modified headers with invalid dates
+    - perf: improve ETag match loop
+    - perf: improve `If-None-Match` token parsing
+  * deps: send@0.15.6
+    - Fix handling of modified headers with invalid dates
+    - deps: debug@2.6.9
+    - deps: etag@~1.8.1
+    - deps: fresh@0.5.2
+    - perf: improve `If-Match` token parsing
+  * deps: serve-static@1.12.6
+    - deps: parseurl@~1.3.2
+    - deps: send@0.15.6
+    - perf: improve slash collapsing
+
+4.15.4 / 2017-08-06
+===================
+
+  * deps: debug@2.6.8
+  * deps: depd@~1.1.1
+    - Remove unnecessary `Buffer` loading
+  * deps: finalhandler@~1.0.4
+    - deps: debug@2.6.8
+  * deps: proxy-addr@~1.1.5
+    - Fix array argument being altered
+    - deps: ipaddr.js@1.4.0
+  * deps: qs@6.5.0
+  * deps: send@0.15.4
+    - deps: debug@2.6.8
+    - deps: depd@~1.1.1
+    - deps: http-errors@~1.6.2
+  * deps: serve-static@1.12.4
+    - deps: send@0.15.4
+
+4.15.3 / 2017-05-16
+===================
+
+  * Fix error when `res.set` cannot add charset to `Content-Type`
+  * deps: debug@2.6.7
+    - Fix `DEBUG_MAX_ARRAY_LENGTH`
+    - deps: ms@2.0.0
+  * deps: finalhandler@~1.0.3
+    - Fix missing `</html>` in HTML document
+    - deps: debug@2.6.7
+  * deps: proxy-addr@~1.1.4
+    - deps: ipaddr.js@1.3.0
+  * deps: send@0.15.3
+    - deps: debug@2.6.7
+    - deps: ms@2.0.0
+  * deps: serve-static@1.12.3
+    - deps: send@0.15.3
+  * deps: type-is@~1.6.15
+    - deps: mime-types@~2.1.15
+  * deps: vary@~1.1.1
+    - perf: hoist regular expression
+
+4.15.2 / 2017-03-06
+===================
+
+  * deps: qs@6.4.0
+    - Fix regression parsing keys starting with `[`
+
+4.15.1 / 2017-03-05
+===================
+
+  * deps: send@0.15.1
+    - Fix issue when `Date.parse` does not return `NaN` on invalid date
+    - Fix strict violation in broken environments
+  * deps: serve-static@1.12.1
+    - Fix issue when `Date.parse` does not return `NaN` on invalid date
+    - deps: send@0.15.1
+
+4.15.0 / 2017-03-01
+===================
+
+  * Add debug message when loading view engine
+  * Add `next("router")` to exit from router
+  * Fix case where `router.use` skipped requests routes did not
+  * Remove usage of `res._headers` private field
+    - Improves compatibility with Node.js 8 nightly
+  * Skip routing when `req.url` is not set
+  * Use `%o` in path debug to tell types apart
+  * Use `Object.create` to setup request & response prototypes
+  * Use `setprototypeof` module to replace `__proto__` setting
+  * Use `statuses` instead of `http` module for status messages
+  * deps: debug@2.6.1
+    - Allow colors in workers
+    - Deprecated `DEBUG_FD` environment variable set to `3` or higher
+    - Fix error when running under React Native
+    - Use same color for same namespace
+    - deps: ms@0.7.2
+  * deps: etag@~1.8.0
+    - Use SHA1 instead of MD5 for ETag hashing
+    - Works with FIPS 140-2 OpenSSL configuration
+  * deps: finalhandler@~1.0.0
+    - Fix exception when `err` cannot be converted to a string
+    - Fully URL-encode the pathname in the 404
+    - Only include the pathname in the 404 message
+    - Send complete HTML document
+    - Set `Content-Security-Policy: default-src 'self'` header
+    - deps: debug@2.6.1
+  * deps: fresh@0.5.0
+    - Fix false detection of `no-cache` request directive
+    - Fix incorrect result when `If-None-Match` has both `*` and ETags
+    - Fix weak `ETag` matching to match spec
+    - perf: delay reading header values until needed
+    - perf: enable strict mode
+    - perf: hoist regular expressions
+    - perf: remove duplicate conditional
+    - perf: remove unnecessary boolean coercions
+    - perf: skip checking modified time if ETag check failed
+    - perf: skip parsing `If-None-Match` when no `ETag` header
+    - perf: use `Date.parse` instead of `new Date`
+  * deps: qs@6.3.1
+    - Fix array parsing from skipping empty values
+    - Fix compacting nested arrays
+  * deps: send@0.15.0
+    - Fix false detection of `no-cache` request directive
+    - Fix incorrect result when `If-None-Match` has both `*` and ETags
+    - Fix weak `ETag` matching to match spec
+    - Remove usage of `res._headers` private field
+    - Support `If-Match` and `If-Unmodified-Since` headers
+    - Use `res.getHeaderNames()` when available
+    - Use `res.headersSent` when available
+    - deps: debug@2.6.1
+    - deps: etag@~1.8.0
+    - deps: fresh@0.5.0
+    - deps: http-errors@~1.6.1
+  * deps: serve-static@1.12.0
+    - Fix false detection of `no-cache` request directive
+    - Fix incorrect result when `If-None-Match` has both `*` and ETags
+    - Fix weak `ETag` matching to match spec
+    - Remove usage of `res._headers` private field
+    - Send complete HTML document in redirect response
+    - Set default CSP header in redirect response
+    - Support `If-Match` and `If-Unmodified-Since` headers
+    - Use `res.getHeaderNames()` when available
+    - Use `res.headersSent` when available
+    - deps: send@0.15.0
+  * perf: add fast match path for `*` route
+  * perf: improve `req.ips` performance
+
+4.14.1 / 2017-01-28
+===================
+
+  * deps: content-disposition@0.5.2
+  * deps: finalhandler@0.5.1
+    - Fix exception when `err.headers` is not an object
+    - deps: statuses@~1.3.1
+    - perf: hoist regular expressions
+    - perf: remove duplicate validation path
+  * deps: proxy-addr@~1.1.3
+    - deps: ipaddr.js@1.2.0
+  * deps: send@0.14.2
+    - deps: http-errors@~1.5.1
+    - deps: ms@0.7.2
+    - deps: statuses@~1.3.1
+  * deps: serve-static@~1.11.2
+    - deps: send@0.14.2
+  * deps: type-is@~1.6.14
+    - deps: mime-types@~2.1.13
+
+4.14.0 / 2016-06-16
+===================
+
+  * Add `acceptRanges` option to `res.sendFile`/`res.sendfile`
+  * Add `cacheControl` option to `res.sendFile`/`res.sendfile`
+  * Add `options` argument to `req.range`
+    - Includes the `combine` option
+  * Encode URL in `res.location`/`res.redirect` if not already encoded
+  * Fix some redirect handling in `res.sendFile`/`res.sendfile`
+  * Fix Windows absolute path check using forward slashes
+  * Improve error with invalid arguments to `req.get()`
+  * Improve performance for `res.json`/`res.jsonp` in most cases
+  * Improve `Range` header handling in `res.sendFile`/`res.sendfile`
+  * deps: accepts@~1.3.3
+    - Fix including type extensions in parameters in `Accept` parsing
+    - Fix parsing `Accept` parameters with quoted equals
+    - Fix parsing `Accept` parameters with quoted semicolons
+    - Many performance improvements
+    - deps: mime-types@~2.1.11
+    - deps: negotiator@0.6.1
+  * deps: content-type@~1.0.2
+    - perf: enable strict mode
+  * deps: cookie@0.3.1
+    - Add `sameSite` option
+    - Fix cookie `Max-Age` to never be a floating point number
+    - Improve error message when `encode` is not a function
+    - Improve error message when `expires` is not a `Date`
+    - Throw better error for invalid argument to parse
+    - Throw on invalid values provided to `serialize`
+    - perf: enable strict mode
+    - perf: hoist regular expression
+    - perf: use for loop in parse
+    - perf: use string concatenation for serialization
+  * deps: finalhandler@0.5.0
+    - Change invalid or non-numeric status code to 500
+    - Overwrite status message to match set status code
+    - Prefer `err.statusCode` if `err.status` is invalid
+    - Set response headers from `err.headers` object
+    - Use `statuses` instead of `http` module for status messages
+  * deps: proxy-addr@~1.1.2
+    - Fix accepting various invalid netmasks
+    - Fix IPv6-mapped IPv4 validation edge cases
+    - IPv4 netmasks must be contiguous
+    - IPv6 addresses cannot be used as a netmask
+    - deps: ipaddr.js@1.1.1
+  * deps: qs@6.2.0
+    - Add `decoder` option in `parse` function
+  * deps: range-parser@~1.2.0
+    - Add `combine` option to combine overlapping ranges
+    - Fix incorrectly returning -1 when there is at least one valid range
+    - perf: remove internal function
+  * deps: send@0.14.1
+    - Add `acceptRanges` option
+    - Add `cacheControl` option
+    - Attempt to combine multiple ranges into single range
+    - Correctly inherit from `Stream` class
+    - Fix `Content-Range` header in 416 responses when using `start`/`end` options
+    - Fix `Content-Range` header missing from default 416 responses
+    - Fix redirect error when `path` contains raw non-URL characters
+    - Fix redirect when `path` starts with multiple forward slashes
+    - Ignore non-byte `Range` headers
+    - deps: http-errors@~1.5.0
+    - deps: range-parser@~1.2.0
+    - deps: statuses@~1.3.0
+    - perf: remove argument reassignment
+  * deps: serve-static@~1.11.1
+    - Add `acceptRanges` option
+    - Add `cacheControl` option
+    - Attempt to combine multiple ranges into single range
+    - Fix redirect error when `req.url` contains raw non-URL characters
+    - Ignore non-byte `Range` headers
+    - Use status code 301 for redirects
+    - deps: send@0.14.1
+  * deps: type-is@~1.6.13
+    - Fix type error when given invalid type to match against
+    - deps: mime-types@~2.1.11
+  * deps: vary@~1.1.0
+    - Only accept valid field names in the `field` argument
+  * perf: use strict equality when possible
+
+4.13.4 / 2016-01-21
+===================
+
+  * deps: content-disposition@0.5.1
+    - perf: enable strict mode
+  * deps: cookie@0.1.5
+    - Throw on invalid values provided to `serialize`
+  * deps: depd@~1.1.0
+    - Support web browser loading
+    - perf: enable strict mode
+  * deps: escape-html@~1.0.3
+    - perf: enable strict mode
+    - perf: optimize string replacement
+    - perf: use faster string coercion
+  * deps: finalhandler@0.4.1
+    - deps: escape-html@~1.0.3
+  * deps: merge-descriptors@1.0.1
+    - perf: enable strict mode
+  * deps: methods@~1.1.2
+    - perf: enable strict mode
+  * deps: parseurl@~1.3.1
+    - perf: enable strict mode
+  * deps: proxy-addr@~1.0.10
+    - deps: ipaddr.js@1.0.5
+    - perf: enable strict mode
+  * deps: range-parser@~1.0.3
+    - perf: enable strict mode
+  * deps: send@0.13.1
+    - deps: depd@~1.1.0
+    - deps: destroy@~1.0.4
+    - deps: escape-html@~1.0.3
+    - deps: range-parser@~1.0.3
+  * deps: serve-static@~1.10.2
+    - deps: escape-html@~1.0.3
+    - deps: parseurl@~1.3.0
+    - deps: send@0.13.1
+
+4.13.3 / 2015-08-02
+===================
+
+  * Fix infinite loop condition using `mergeParams: true`
+  * Fix inner numeric indices incorrectly altering parent `req.params`
+
+4.13.2 / 2015-07-31
+===================
+
+  * deps: accepts@~1.2.12
+    - deps: mime-types@~2.1.4
+  * deps: array-flatten@1.1.1
+    - perf: enable strict mode
+  * deps: path-to-regexp@0.1.7
+    - Fix regression with escaped round brackets and matching groups
+  * deps: type-is@~1.6.6
+    - deps: mime-types@~2.1.4
+
+4.13.1 / 2015-07-05
+===================
+
+  * deps: accepts@~1.2.10
+    - deps: mime-types@~2.1.2
+  * deps: qs@4.0.0
+    - Fix dropping parameters like `hasOwnProperty`
+    - Fix various parsing edge cases
+  * deps: type-is@~1.6.4
+    - deps: mime-types@~2.1.2
+    - perf: enable strict mode
+    - perf: remove argument reassignment
+
+4.13.0 / 2015-06-20
+===================
+
+  * Add settings to debug output
+  * Fix `res.format` error when only `default` provided
+  * Fix issue where `next('route')` in `app.param` would incorrectly skip values
+  * Fix hiding platform issues with `decodeURIComponent`
+    - Only `URIError`s are a 400
+  * Fix using `*` before params in routes
+  * Fix using capture groups before params in routes
+  * Simplify `res.cookie` to call `res.append`
+  * Use `array-flatten` module for flattening arrays
+  * deps: accepts@~1.2.9
+    - deps: mime-types@~2.1.1
+    - perf: avoid argument reassignment & argument slice
+    - perf: avoid negotiator recursive construction
+    - perf: enable strict mode
+    - perf: remove unnecessary bitwise operator
+  * deps: cookie@0.1.3
+    - perf: deduce the scope of try-catch deopt
+    - perf: remove argument reassignments
+  * deps: escape-html@1.0.2
+  * deps: etag@~1.7.0
+    - Always include entity length in ETags for hash length extensions
+    - Generate non-Stats ETags using MD5 only (no longer CRC32)
+    - Improve stat performance by removing hashing
+    - Improve support for JXcore
+    - Remove base64 padding in ETags to shorten
+    - Support "fake" stats objects in environments without fs
+    - Use MD5 instead of MD4 in weak ETags over 1KB
+  * deps: finalhandler@0.4.0
+    - Fix a false-positive when unpiping in Node.js 0.8
+    - Support `statusCode` property on `Error` objects
+    - Use `unpipe` module for unpiping requests
+    - deps: escape-html@1.0.2
+    - deps: on-finished@~2.3.0
+    - perf: enable strict mode
+    - perf: remove argument reassignment
+  * deps: fresh@0.3.0
+    - Add weak `ETag` matching support
+  * deps: on-finished@~2.3.0
+    - Add defined behavior for HTTP `CONNECT` requests
+    - Add defined behavior for HTTP `Upgrade` requests
+    - deps: ee-first@1.1.1
+  * deps: path-to-regexp@0.1.6
+  * deps: send@0.13.0
+    - Allow Node.js HTTP server to set `Date` response header
+    - Fix incorrectly removing `Content-Location` on 304 response
+    - Improve the default redirect response headers
+    - Send appropriate headers on default error response
+    - Use `http-errors` for standard emitted errors
+    - Use `statuses` instead of `http` module for status messages
+    - deps: escape-html@1.0.2
+    - deps: etag@~1.7.0
+    - deps: fresh@0.3.0
+    - deps: on-finished@~2.3.0
+    - perf: enable strict mode
+    - perf: remove unnecessary array allocations
+  * deps: serve-static@~1.10.0
+    - Add `fallthrough` option
+    - Fix reading options from options prototype
+    - Improve the default redirect response headers
+    - Malformed URLs now `next()` instead of 400
+    - deps: escape-html@1.0.2
+    - deps: send@0.13.0
+    - perf: enable strict mode
+    - perf: remove argument reassignment
+  * deps: type-is@~1.6.3
+    - deps: mime-types@~2.1.1
+    - perf: reduce try block size
+    - perf: remove bitwise operations
+  * perf: enable strict mode
+  * perf: isolate `app.render` try block
+  * perf: remove argument reassignments in application
+  * perf: remove argument reassignments in request prototype
+  * perf: remove argument reassignments in response prototype
+  * perf: remove argument reassignments in routing
+  * perf: remove argument reassignments in `View`
+  * perf: skip attempting to decode zero length string
+  * perf: use saved reference to `http.STATUS_CODES`
+
+4.12.4 / 2015-05-17
+===================
+
+  * deps: accepts@~1.2.7
+    - deps: mime-types@~2.0.11
+    - deps: negotiator@0.5.3
+  * deps: debug@~2.2.0
+    - deps: ms@0.7.1
+  * deps: depd@~1.0.1
+  * deps: etag@~1.6.0
+    - Improve support for JXcore
+    - Support "fake" stats objects in environments without `fs`
+  * deps: finalhandler@0.3.6
+    - deps: debug@~2.2.0
+    - deps: on-finished@~2.2.1
+  * deps: on-finished@~2.2.1
+    - Fix `isFinished(req)` when data buffered
+  * deps: proxy-addr@~1.0.8
+    - deps: ipaddr.js@1.0.1
+  * deps: qs@2.4.2
+   - Fix allowing parameters like `constructor`
+  * deps: send@0.12.3
+    - deps: debug@~2.2.0
+    - deps: depd@~1.0.1
+    - deps: etag@~1.6.0
+    - deps: ms@0.7.1
+    - deps: on-finished@~2.2.1
+  * deps: serve-static@~1.9.3
+    - deps: send@0.12.3
+  * deps: type-is@~1.6.2
+    - deps: mime-types@~2.0.11
+
+4.12.3 / 2015-03-17
+===================
+
+  * deps: accepts@~1.2.5
+    - deps: mime-types@~2.0.10
+  * deps: debug@~2.1.3
+    - Fix high intensity foreground color for bold
+    - deps: ms@0.7.0
+  * deps: finalhandler@0.3.4
+    - deps: debug@~2.1.3
+  * deps: proxy-addr@~1.0.7
+    - deps: ipaddr.js@0.1.9
+  * deps: qs@2.4.1
+    - Fix error when parameter `hasOwnProperty` is present
+  * deps: send@0.12.2
+    - Throw errors early for invalid `extensions` or `index` options
+    - deps: debug@~2.1.3
+  * deps: serve-static@~1.9.2
+    - deps: send@0.12.2
+  * deps: type-is@~1.6.1
+    - deps: mime-types@~2.0.10
+
+4.12.2 / 2015-03-02
+===================
+
+  * Fix regression where `"Request aborted"` is logged using `res.sendFile`
+
+4.12.1 / 2015-03-01
+===================
+
+  * Fix constructing application with non-configurable prototype properties
+  * Fix `ECONNRESET` errors from `res.sendFile` usage
+  * Fix `req.host` when using "trust proxy" hops count
+  * Fix `req.protocol`/`req.secure` when using "trust proxy" hops count
+  * Fix wrong `code` on aborted connections from `res.sendFile`
+  * deps: merge-descriptors@1.0.0
+
+4.12.0 / 2015-02-23
+===================
+
+  * Fix `"trust proxy"` setting to inherit when app is mounted
+  * Generate `ETag`s for all request responses
+    - No longer restricted to only responses for `GET` and `HEAD` requests
+  * Use `content-type` to parse `Content-Type` headers
+  * deps: accepts@~1.2.4
+    - Fix preference sorting to be stable for long acceptable lists
+    - deps: mime-types@~2.0.9
+    - deps: negotiator@0.5.1
+  * deps: cookie-signature@1.0.6
+  * deps: send@0.12.1
+    - Always read the stat size from the file
+    - Fix mutating passed-in `options`
+    - deps: mime@1.3.4
+  * deps: serve-static@~1.9.1
+    - deps: send@0.12.1
+  * deps: type-is@~1.6.0
+    - fix argument reassignment
+    - fix false-positives in `hasBody` `Transfer-Encoding` check
+    - support wildcard for both type and subtype (`*/*`)
+    - deps: mime-types@~2.0.9
+
+4.11.2 / 2015-02-01
+===================
+
+  * Fix `res.redirect` double-calling `res.end` for `HEAD` requests
+  * deps: accepts@~1.2.3
+    - deps: mime-types@~2.0.8
+  * deps: proxy-addr@~1.0.6
+    - deps: ipaddr.js@0.1.8
+  * deps: type-is@~1.5.6
+    - deps: mime-types@~2.0.8
+
+4.11.1 / 2015-01-20
+===================
+
+  * deps: send@0.11.1
+    - Fix root path disclosure
+  * deps: serve-static@~1.8.1
+    - Fix redirect loop in Node.js 0.11.14
+    - Fix root path disclosure
+    - deps: send@0.11.1
+
+4.11.0 / 2015-01-13
+===================
+
+  * Add `res.append(field, val)` to append headers
+  * Deprecate leading `:` in `name` for `app.param(name, fn)`
+  * Deprecate `req.param()` -- use `req.params`, `req.body`, or `req.query` instead
+  * Deprecate `app.param(fn)`
+  * Fix `OPTIONS` responses to include the `HEAD` method properly
+  * Fix `res.sendFile` not always detecting aborted connection
+  * Match routes iteratively to prevent stack overflows
+  * deps: accepts@~1.2.2
+    - deps: mime-types@~2.0.7
+    - deps: negotiator@0.5.0
+  * deps: send@0.11.0
+    - deps: debug@~2.1.1
+    - deps: etag@~1.5.1
+    - deps: ms@0.7.0
+    - deps: on-finished@~2.2.0
+  * deps: serve-static@~1.8.0
+    - deps: send@0.11.0
+
+4.10.8 / 2015-01-13
+===================
+
+  * Fix crash from error within `OPTIONS` response handler
+  * deps: proxy-addr@~1.0.5
+    - deps: ipaddr.js@0.1.6
+
+4.10.7 / 2015-01-04
+===================
+
+  * Fix `Allow` header for `OPTIONS` to not contain duplicate methods
+  * Fix incorrect "Request aborted" for `res.sendFile` when `HEAD` or 304
+  * deps: debug@~2.1.1
+  * deps: finalhandler@0.3.3
+    - deps: debug@~2.1.1
+    - deps: on-finished@~2.2.0
+  * deps: methods@~1.1.1
+  * deps: on-finished@~2.2.0
+  * deps: serve-static@~1.7.2
+    - Fix potential open redirect when mounted at root
+  * deps: type-is@~1.5.5
+    - deps: mime-types@~2.0.7
+
+4.10.6 / 2014-12-12
+===================
+
+  * Fix exception in `req.fresh`/`req.stale` without response headers
+
+4.10.5 / 2014-12-10
+===================
+
+  * Fix `res.send` double-calling `res.end` for `HEAD` requests
+  * deps: accepts@~1.1.4
+    - deps: mime-types@~2.0.4
+  * deps: type-is@~1.5.4
+    - deps: mime-types@~2.0.4
+
+4.10.4 / 2014-11-24
+===================
+
+  * Fix `res.sendfile` logging standard write errors
+
+4.10.3 / 2014-11-23
+===================
+
+  * Fix `res.sendFile` logging standard write errors
+  * deps: etag@~1.5.1
+  * deps: proxy-addr@~1.0.4
+    - deps: ipaddr.js@0.1.5
+  * deps: qs@2.3.3
+    - Fix `arrayLimit` behavior
+
+4.10.2 / 2014-11-09
+===================
+
+  * Correctly invoke async router callback asynchronously
+  * deps: accepts@~1.1.3
+    - deps: mime-types@~2.0.3
+  * deps: type-is@~1.5.3
+    - deps: mime-types@~2.0.3
+
+4.10.1 / 2014-10-28
+===================
+
+  * Fix handling of URLs containing `://` in the path
+  * deps: qs@2.3.2
+    - Fix parsing of mixed objects and values
+
+4.10.0 / 2014-10-23
+===================
+
+  * Add support for `app.set('views', array)`
+    - Views are looked up in sequence in array of directories
+  * Fix `res.send(status)` to mention `res.sendStatus(status)`
+  * Fix handling of invalid empty URLs
+  * Use `content-disposition` module for `res.attachment`/`res.download`
+    - Sends standards-compliant `Content-Disposition` header
+    - Full Unicode support
+  * Use `path.resolve` in view lookup
+  * deps: debug@~2.1.0
+    - Implement `DEBUG_FD` env variable support
+  * deps: depd@~1.0.0
+  * deps: etag@~1.5.0
+    - Improve string performance
+    - Slightly improve speed for weak ETags over 1KB
+  * deps: finalhandler@0.3.2
+    - Terminate in progress response only on error
+    - Use `on-finished` to determine request status
+    - deps: debug@~2.1.0
+    - deps: on-finished@~2.1.1
+  * deps: on-finished@~2.1.1
+    - Fix handling of pipelined requests
+  * deps: qs@2.3.0
+    - Fix parsing of mixed implicit and explicit arrays
+  * deps: send@0.10.1
+    - deps: debug@~2.1.0
+    - deps: depd@~1.0.0
+    - deps: etag@~1.5.0
+    - deps: on-finished@~2.1.1
+  * deps: serve-static@~1.7.1
+    - deps: send@0.10.1
+
+4.9.8 / 2014-10-17
+==================
+
+  * Fix `res.redirect` body when redirect status specified
+  * deps: accepts@~1.1.2
+    - Fix error when media type has invalid parameter
+    - deps: negotiator@0.4.9
+
+4.9.7 / 2014-10-10
+==================
+
+  * Fix using same param name in array of paths
+
+4.9.6 / 2014-10-08
+==================
+
+  * deps: accepts@~1.1.1
+    - deps: mime-types@~2.0.2
+    - deps: negotiator@0.4.8
+  * deps: serve-static@~1.6.4
+    - Fix redirect loop when index file serving disabled
+  * deps: type-is@~1.5.2
+    - deps: mime-types@~2.0.2
+
+4.9.5 / 2014-09-24
+==================
+
+  * deps: etag@~1.4.0
+  * deps: proxy-addr@~1.0.3
+    - Use `forwarded` npm module
+  * deps: send@0.9.3
+    - deps: etag@~1.4.0
+  * deps: serve-static@~1.6.3
+    - deps: send@0.9.3
+
+4.9.4 / 2014-09-19
+==================
+
+  * deps: qs@2.2.4
+    - Fix issue with object keys starting with numbers truncated
+
+4.9.3 / 2014-09-18
+==================
+
+  * deps: proxy-addr@~1.0.2
+    - Fix a global leak when multiple subnets are trusted
+    - deps: ipaddr.js@0.1.3
+
+4.9.2 / 2014-09-17
+==================
+
+  * Fix regression for empty string `path` in `app.use`
+  * Fix `router.use` to accept array of middleware without path
+  * Improve error message for bad `app.use` arguments
+
+4.9.1 / 2014-09-16
+==================
+
+  * Fix `app.use` to accept array of middleware without path
+  * deps: depd@0.4.5
+  * deps: etag@~1.3.1
+  * deps: send@0.9.2
+    - deps: depd@0.4.5
+    - deps: etag@~1.3.1
+    - deps: range-parser@~1.0.2
+  * deps: serve-static@~1.6.2
+    - deps: send@0.9.2
+
+4.9.0 / 2014-09-08
+==================
+
+  * Add `res.sendStatus`
+  * Invoke callback for sendfile when client aborts
+    - Applies to `res.sendFile`, `res.sendfile`, and `res.download`
+    - `err` will be populated with request aborted error
+  * Support IP address host in `req.subdomains`
+  * Use `etag` to generate `ETag` headers
+  * deps: accepts@~1.1.0
+    - update `mime-types`
+  * deps: cookie-signature@1.0.5
+  * deps: debug@~2.0.0
+  * deps: finalhandler@0.2.0
+    - Set `X-Content-Type-Options: nosniff` header
+    - deps: debug@~2.0.0
+  * deps: fresh@0.2.4
+  * deps: media-typer@0.3.0
+    - Throw error when parameter format invalid on parse
+  * deps: qs@2.2.3
+    - Fix issue where first empty value in array is discarded
+  * deps: range-parser@~1.0.2
+  * deps: send@0.9.1
+    - Add `lastModified` option
+    - Use `etag` to generate `ETag` header
+    - deps: debug@~2.0.0
+    - deps: fresh@0.2.4
+  * deps: serve-static@~1.6.1
+    - Add `lastModified` option
+    - deps: send@0.9.1
+  * deps: type-is@~1.5.1
+    - fix `hasbody` to be true for `content-length: 0`
+    - deps: media-typer@0.3.0
+    - deps: mime-types@~2.0.1
+  * deps: vary@~1.0.0
+    - Accept valid `Vary` header string as `field`
+
+4.8.8 / 2014-09-04
+==================
+
+  * deps: send@0.8.5
+    - Fix a path traversal issue when using `root`
+    - Fix malicious path detection for empty string path
+  * deps: serve-static@~1.5.4
+    - deps: send@0.8.5
+
+4.8.7 / 2014-08-29
+==================
+
+  * deps: qs@2.2.2
+    - Remove unnecessary cloning
+
+4.8.6 / 2014-08-27
+==================
+
+  * deps: qs@2.2.0
+    - Array parsing fix
+    - Performance improvements
+
+4.8.5 / 2014-08-18
+==================
+
+  * deps: send@0.8.3
+    - deps: destroy@1.0.3
+    - deps: on-finished@2.1.0
+  * deps: serve-static@~1.5.3
+    - deps: send@0.8.3
+
+4.8.4 / 2014-08-14
+==================
+
+  * deps: qs@1.2.2
+  * deps: send@0.8.2
+    - Work around `fd` leak in Node.js 0.10 for `fs.ReadStream`
+  * deps: serve-static@~1.5.2
+    - deps: send@0.8.2
+
+4.8.3 / 2014-08-10
+==================
+
+  * deps: parseurl@~1.3.0
+  * deps: qs@1.2.1
+  * deps: serve-static@~1.5.1
+    - Fix parsing of weird `req.originalUrl` values
+    - deps: parseurl@~1.3.0
+    - deps: utils-merge@1.0.0
+
+4.8.2 / 2014-08-07
+==================
+
+  * deps: qs@1.2.0
+    - Fix parsing array of objects
+
+4.8.1 / 2014-08-06
+==================
+
+  * fix incorrect deprecation warnings on `res.download`
+  * deps: qs@1.1.0
+    - Accept urlencoded square brackets
+    - Accept empty values in implicit array notation
+
+4.8.0 / 2014-08-05
+==================
+
+  * add `res.sendFile`
+    - accepts a file system path instead of a URL
+    - requires an absolute path or `root` option specified
+  * deprecate `res.sendfile` -- use `res.sendFile` instead
+  * support mounted app as any argument to `app.use()`
+  * deps: qs@1.0.2
+    - Complete rewrite
+    - Limits array length to 20
+    - Limits object depth to 5
+    - Limits parameters to 1,000
+  * deps: send@0.8.1
+    - Add `extensions` option
+  * deps: serve-static@~1.5.0
+    - Add `extensions` option
+    - deps: send@0.8.1
+
+4.7.4 / 2014-08-04
+==================
+
+  * fix `res.sendfile` regression for serving directory index files
+  * deps: send@0.7.4
+    - Fix incorrect 403 on Windows and Node.js 0.11
+    - Fix serving index files without root dir
+  * deps: serve-static@~1.4.4
+    - deps: send@0.7.4
+
+4.7.3 / 2014-08-04
+==================
+
+  * deps: send@0.7.3
+    - Fix incorrect 403 on Windows and Node.js 0.11
+  * deps: serve-static@~1.4.3
+    - Fix incorrect 403 on Windows and Node.js 0.11
+    - deps: send@0.7.3
+
+4.7.2 / 2014-07-27
+==================
+
+  * deps: depd@0.4.4
+    - Work-around v8 generating empty stack traces
+  * deps: send@0.7.2
+    - deps: depd@0.4.4
+  * deps: serve-static@~1.4.2
+
+4.7.1 / 2014-07-26
+==================
+
+  * deps: depd@0.4.3
+    - Fix exception when global `Error.stackTraceLimit` is too low
+  * deps: send@0.7.1
+    - deps: depd@0.4.3
+  * deps: serve-static@~1.4.1
+
+4.7.0 / 2014-07-25
+==================
+
+  * fix `req.protocol` for proxy-direct connections
+  * configurable query parser with `app.set('query parser', parser)`
+    - `app.set('query parser', 'extended')` parse with "qs" module
+    - `app.set('query parser', 'simple')` parse with "querystring" core module
+    - `app.set('query parser', false)` disable query string parsing
+    - `app.set('query parser', true)` enable simple parsing
+  * deprecate `res.json(status, obj)` -- use `res.status(status).json(obj)` instead
+  * deprecate `res.jsonp(status, obj)` -- use `res.status(status).jsonp(obj)` instead
+  * deprecate `res.send(status, body)` -- use `res.status(status).send(body)` instead
+  * deps: debug@1.0.4
+  * deps: depd@0.4.2
+    - Add `TRACE_DEPRECATION` environment variable
+    - Remove non-standard grey color from color output
+    - Support `--no-deprecation` argument
+    - Support `--trace-deprecation` argument
+  * deps: finalhandler@0.1.0
+    - Respond after request fully read
+    - deps: debug@1.0.4
+  * deps: parseurl@~1.2.0
+    - Cache URLs based on original value
+    - Remove no-longer-needed URL mis-parse work-around
+    - Simplify the "fast-path" `RegExp`
+  * deps: send@0.7.0
+    - Add `dotfiles` option
+    - Cap `maxAge` value to 1 year
+    - deps: debug@1.0.4
+    - deps: depd@0.4.2
+  * deps: serve-static@~1.4.0
+    - deps: parseurl@~1.2.0
+    - deps: send@0.7.0
+  * perf: prevent multiple `Buffer` creation in `res.send`
+
+4.6.1 / 2014-07-12
+==================
+
+  * fix `subapp.mountpath` regression for `app.use(subapp)`
+
+4.6.0 / 2014-07-11
+==================
+
+  * accept multiple callbacks to `app.use()`
+  * add explicit "Rosetta Flash JSONP abuse" protection
+    - previous versions are not vulnerable; this is just explicit protection
+  * catch errors in multiple `req.param(name, fn)` handlers
+  * deprecate `res.redirect(url, status)` -- use `res.redirect(status, url)` instead
+  * fix `res.send(status, num)` to send `num` as json (not error)
+  * remove unnecessary escaping when `res.jsonp` returns JSON response
+  * support non-string `path` in `app.use(path, fn)`
+    - supports array of paths
+    - supports `RegExp`
+  * router: fix optimization on router exit
+  * router: refactor location of `try` blocks
+  * router: speed up standard `app.use(fn)`
+  * deps: debug@1.0.3
+    - Add support for multiple wildcards in namespaces
+  * deps: finalhandler@0.0.3
+    - deps: debug@1.0.3
+  * deps: methods@1.1.0
+    - add `CONNECT`
+  * deps: parseurl@~1.1.3
+    - faster parsing of href-only URLs
+  * deps: path-to-regexp@0.1.3
+  * deps: send@0.6.0
+    - deps: debug@1.0.3
+  * deps: serve-static@~1.3.2
+    - deps: parseurl@~1.1.3
+    - deps: send@0.6.0
+  * perf: fix arguments reassign deopt in some `res` methods
+
+4.5.1 / 2014-07-06
+==================
+
+ * fix routing regression when altering `req.method`
+
+4.5.0 / 2014-07-04
+==================
+
+ * add deprecation message to non-plural `req.accepts*`
+ * add deprecation message to `res.send(body, status)`
+ * add deprecation message to `res.vary()`
+ * add `headers` option to `res.sendfile`
+   - use to set headers on successful file transfer
+ * add `mergeParams` option to `Router`
+   - merges `req.params` from parent routes
+ * add `req.hostname` -- correct name for what `req.host` returns
+ * deprecate things with `depd` module
+ * deprecate `req.host` -- use `req.hostname` instead
+ * fix behavior when handling request without routes
+ * fix handling when `route.all` is only route
+ * invoke `router.param()` only when route matches
+ * restore `req.params` after invoking router
+ * use `finalhandler` for final response handling
+ * use `media-typer` to alter content-type charset
+ * deps: accepts@~1.0.7
+ * deps: send@0.5.0
+   - Accept string for `maxage` (converted by `ms`)
+   - Include link in default redirect response
+ * deps: serve-static@~1.3.0
+   - Accept string for `maxAge` (converted by `ms`)
+   - Add `setHeaders` option
+   - Include HTML link in redirect response
+   - deps: send@0.5.0
+ * deps: type-is@~1.3.2
+
+4.4.5 / 2014-06-26
+==================
+
+ * deps: cookie-signature@1.0.4
+   - fix for timing attacks
+
+4.4.4 / 2014-06-20
+==================
+
+ * fix `res.attachment` Unicode filenames in Safari
+ * fix "trim prefix" debug message in `express:router`
+ * deps: accepts@~1.0.5
+ * deps: buffer-crc32@0.2.3
+
+4.4.3 / 2014-06-11
+==================
+
+ * fix persistence of modified `req.params[name]` from `app.param()`
+ * deps: accepts@1.0.3
+   - deps: negotiator@0.4.6
+ * deps: debug@1.0.2
+ * deps: send@0.4.3
+   - Do not throw uncatchable error on file open race condition
+   - Use `escape-html` for HTML escaping
+   - deps: debug@1.0.2
+   - deps: finished@1.2.2
+   - deps: fresh@0.2.2
+ * deps: serve-static@1.2.3
+   - Do not throw uncatchable error on file open race condition
+   - deps: send@0.4.3
+
+4.4.2 / 2014-06-09
+==================
+
+ * fix catching errors from top-level handlers
+ * use `vary` module for `res.vary`
+ * deps: debug@1.0.1
+ * deps: proxy-addr@1.0.1
+ * deps: send@0.4.2
+   - fix "event emitter leak" warnings
+   - deps: debug@1.0.1
+   - deps: finished@1.2.1
+ * deps: serve-static@1.2.2
+   - fix "event emitter leak" warnings
+   - deps: send@0.4.2
+ * deps: type-is@1.2.1
+
+4.4.1 / 2014-06-02
+==================
+
+ * deps: methods@1.0.1
+ * deps: send@0.4.1
+   - Send `max-age` in `Cache-Control` in correct format
+ * deps: serve-static@1.2.1
+   - use `escape-html` for escaping
+   - deps: send@0.4.1
+
+4.4.0 / 2014-05-30
+==================
+
+ * custom etag control with `app.set('etag', val)`
+   - `app.set('etag', function(body, encoding){ return '"etag"' })` custom etag generation
+   - `app.set('etag', 'weak')` weak tag
+   - `app.set('etag', 'strong')` strong etag
+   - `app.set('etag', false)` turn off
+   - `app.set('etag', true)` standard etag
+ * mark `res.send` ETag as weak and reduce collisions
+ * update accepts to 1.0.2
+   - Fix interpretation when header not in request
+ * update send to 0.4.0
+   - Calculate ETag with md5 for reduced collisions
+   - Ignore stream errors after request ends
+   - deps: debug@0.8.1
+ * update serve-static to 1.2.0
+   - Calculate ETag with md5 for reduced collisions
+   - Ignore stream errors after request ends
+   - deps: send@0.4.0
+
+4.3.2 / 2014-05-28
+==================
+
+ * fix handling of errors from `router.param()` callbacks
+
+4.3.1 / 2014-05-23
+==================
+
+ * revert "fix behavior of multiple `app.VERB` for the same path"
+   - this caused a regression in the order of route execution
+
+4.3.0 / 2014-05-21
+==================
+
+ * add `req.baseUrl` to access the path stripped from `req.url` in routes
+ * fix behavior of multiple `app.VERB` for the same path
+ * fix issue routing requests among sub routers
+ * invoke `router.param()` only when necessary instead of every match
+ * proper proxy trust with `app.set('trust proxy', trust)`
+   - `app.set('trust proxy', 1)` trust first hop
+   - `app.set('trust proxy', 'loopback')` trust loopback addresses
+   - `app.set('trust proxy', '10.0.0.1')` trust single IP
+   - `app.set('trust proxy', '10.0.0.1/16')` trust subnet
+   - `app.set('trust proxy', '10.0.0.1, 10.0.0.2')` trust list
+   - `app.set('trust proxy', false)` turn off
+   - `app.set('trust proxy', true)` trust everything
+ * set proper `charset` in `Content-Type` for `res.send`
+ * update type-is to 1.2.0
+   - support suffix matching
+
+4.2.0 / 2014-05-11
+==================
+
+ * deprecate `app.del()` -- use `app.delete()` instead
+ * deprecate `res.json(obj, status)` -- use `res.json(status, obj)` instead
+   - the edge-case `res.json(status, num)` requires `res.status(status).json(num)`
+ * deprecate `res.jsonp(obj, status)` -- use `res.jsonp(status, obj)` instead
+   - the edge-case `res.jsonp(status, num)` requires `res.status(status).jsonp(num)`
+ * fix `req.next` when inside router instance
+ * include `ETag` header in `HEAD` requests
+ * keep previous `Content-Type` for `res.jsonp`
+ * support PURGE method
+   - add `app.purge`
+   - add `router.purge`
+   - include PURGE in `app.all`
+ * update debug to 0.8.0
+   - add `enable()` method
+   - change from stderr to stdout
+ * update methods to 1.0.0
+   - add PURGE
+
+4.1.2 / 2014-05-08
+==================
+
+ * fix `req.host` for IPv6 literals
+ * fix `res.jsonp` error if callback param is object
+
+4.1.1 / 2014-04-27
+==================
+
+ * fix package.json to reflect supported node version
+
+4.1.0 / 2014-04-24
+==================
+
+ * pass options from `res.sendfile` to `send`
+ * preserve casing of headers in `res.header` and `res.set`
+ * support unicode file names in `res.attachment` and `res.download`
+ * update accepts to 1.0.1
+   - deps: negotiator@0.4.0
+ * update cookie to 0.1.2
+   - Fix for maxAge == 0
+   - made compat with expires field
+ * update send to 0.3.0
+   - Accept API options in options object
+   - Coerce option types
+   - Control whether to generate etags
+   - Default directory access to 403 when index disabled
+   - Fix sending files with dots without root set
+   - Include file path in etag
+   - Make "Can't set headers after they are sent." catchable
+   - Send full entity-body for multi range requests
+   - Set etags to "weak"
+   - Support "If-Range" header
+   - Support multiple index paths
+   - deps: mime@1.2.11
+ * update serve-static to 1.1.0
+   - Accept options directly to `send` module
+   - Resolve relative paths at middleware setup
+   - Use parseurl to parse the URL from request
+   - deps: send@0.3.0
+ * update type-is to 1.1.0
+   - add non-array values support
+   - add `multipart` as a shorthand
+
+4.0.0 / 2014-04-09
+==================
+
+ * remove:
+   - node 0.8 support
+   - connect and connect's patches except for charset handling
+   - express(1) - moved to [express-generator](https://github.com/expressjs/generator)
+   - `express.createServer()` - it has been deprecated for a long time. Use `express()`
+   - `app.configure` - use logic in your own app code
+   - `app.router` - is removed
+   - `req.auth` - use `basic-auth` instead
+   - `req.accepted*` - use `req.accepts*()` instead
+   - `res.location` - relative URL resolution is removed
+   - `res.charset` - include the charset in the content type when using `res.set()`
+   - all bundled middleware except `static`
+ * change:
+   - `app.route` -> `app.mountpath` when mounting an express app in another express app
+   - `json spaces` no longer enabled by default in development
+   - `req.accepts*` -> `req.accepts*s` - i.e. `req.acceptsEncoding` -> `req.acceptsEncodings`
+   - `req.params` is now an object instead of an array
+   - `res.locals` is no longer a function. It is a plain js object. Treat it as such.
+   - `res.headerSent` -> `res.headersSent` to match node.js ServerResponse object
+ * refactor:
+   - `req.accepts*` with [accepts](https://github.com/expressjs/accepts)
+   - `req.is` with [type-is](https://github.com/expressjs/type-is)
+   - [path-to-regexp](https://github.com/component/path-to-regexp)
+ * add:
+   - `app.router()` - returns the app Router instance
+   - `app.route()` - Proxy to the app's `Router#route()` method to create a new route
+   - Router & Route - public API
+
+3.21.2 / 2015-07-31
+===================
+
+  * deps: connect@2.30.2
+    - deps: body-parser@~1.13.3
+    - deps: compression@~1.5.2
+    - deps: errorhandler@~1.4.2
+    - deps: method-override@~2.3.5
+    - deps: serve-index@~1.7.2
+    - deps: type-is@~1.6.6
+    - deps: vhost@~3.0.1
+  * deps: vary@~1.0.1
+    - Fix setting empty header from empty `field`
+    - perf: enable strict mode
+    - perf: remove argument reassignments
+
+3.21.1 / 2015-07-05
+===================
+
+  * deps: basic-auth@~1.0.3
+  * deps: connect@2.30.1
+    - deps: body-parser@~1.13.2
+    - deps: compression@~1.5.1
+    - deps: errorhandler@~1.4.1
+    - deps: morgan@~1.6.1
+    - deps: pause@0.1.0
+    - deps: qs@4.0.0
+    - deps: serve-index@~1.7.1
+    - deps: type-is@~1.6.4
+
+3.21.0 / 2015-06-18
+===================
+
+  * deps: basic-auth@1.0.2
+    - perf: enable strict mode
+    - perf: hoist regular expression
+    - perf: parse with regular expressions
+    - perf: remove argument reassignment
+  * deps: connect@2.30.0
+    - deps: body-parser@~1.13.1
+    - deps: bytes@2.1.0
+    - deps: compression@~1.5.0
+    - deps: cookie@0.1.3
+    - deps: cookie-parser@~1.3.5
+    - deps: csurf@~1.8.3
+    - deps: errorhandler@~1.4.0
+    - deps: express-session@~1.11.3
+    - deps: finalhandler@0.4.0
+    - deps: fresh@0.3.0
+    - deps: morgan@~1.6.0
+    - deps: serve-favicon@~2.3.0
+    - deps: serve-index@~1.7.0
+    - deps: serve-static@~1.10.0
+    - deps: type-is@~1.6.3
+  * deps: cookie@0.1.3
+    - perf: deduce the scope of try-catch deopt
+    - perf: remove argument reassignments
+  * deps: escape-html@1.0.2
+  * deps: etag@~1.7.0
+    - Always include entity length in ETags for hash length extensions
+    - Generate non-Stats ETags using MD5 only (no longer CRC32)
+    - Improve stat performance by removing hashing
+    - Improve support for JXcore
+    - Remove base64 padding in ETags to shorten
+    - Support "fake" stats objects in environments without fs
+    - Use MD5 instead of MD4 in weak ETags over 1KB
+  * deps: fresh@0.3.0
+    - Add weak `ETag` matching support
+  * deps: mkdirp@0.5.1
+    - Work in global strict mode
+  * deps: send@0.13.0
+    - Allow Node.js HTTP server to set `Date` response header
+    - Fix incorrectly removing `Content-Location` on 304 response
+    - Improve the default redirect response headers
+    - Send appropriate headers on default error response
+    - Use `http-errors` for standard emitted errors
+    - Use `statuses` instead of `http` module for status messages
+    - deps: escape-html@1.0.2
+    - deps: etag@~1.7.0
+    - deps: fresh@0.3.0
+    - deps: on-finished@~2.3.0
+    - perf: enable strict mode
+    - perf: remove unnecessary array allocations
+
+3.20.3 / 2015-05-17
+===================
+
+  * deps: connect@2.29.2
+    - deps: body-parser@~1.12.4
+    - deps: compression@~1.4.4
+    - deps: connect-timeout@~1.6.2
+    - deps: debug@~2.2.0
+    - deps: depd@~1.0.1
+    - deps: errorhandler@~1.3.6
+    - deps: finalhandler@0.3.6
+    - deps: method-override@~2.3.3
+    - deps: morgan@~1.5.3
+    - deps: qs@2.4.2
+    - deps: response-time@~2.3.1
+    - deps: serve-favicon@~2.2.1
+    - deps: serve-index@~1.6.4
+    - deps: serve-static@~1.9.3
+    - deps: type-is@~1.6.2
+  * deps: debug@~2.2.0
+    - deps: ms@0.7.1
+  * deps: depd@~1.0.1
+  * deps: proxy-addr@~1.0.8
+    - deps: ipaddr.js@1.0.1
+  * deps: send@0.12.3
+    - deps: debug@~2.2.0
+    - deps: depd@~1.0.1
+    - deps: etag@~1.6.0
+    - deps: ms@0.7.1
+    - deps: on-finished@~2.2.1
+
+3.20.2 / 2015-03-16
+===================
+
+  * deps: connect@2.29.1
+    - deps: body-parser@~1.12.2
+    - deps: compression@~1.4.3
+    - deps: connect-timeout@~1.6.1
+    - deps: debug@~2.1.3
+    - deps: errorhandler@~1.3.5
+    - deps: express-session@~1.10.4
+    - deps: finalhandler@0.3.4
+    - deps: method-override@~2.3.2
+    - deps: morgan@~1.5.2
+    - deps: qs@2.4.1
+    - deps: serve-index@~1.6.3
+    - deps: serve-static@~1.9.2
+    - deps: type-is@~1.6.1
+  * deps: debug@~2.1.3
+    - Fix high intensity foreground color for bold
+    - deps: ms@0.7.0
+  * deps: merge-descriptors@1.0.0
+  * deps: proxy-addr@~1.0.7
+    - deps: ipaddr.js@0.1.9
+  * deps: send@0.12.2
+    - Throw errors early for invalid `extensions` or `index` options
+    - deps: debug@~2.1.3
+
+3.20.1 / 2015-02-28
+===================
+
+  * Fix `req.host` when using "trust proxy" hops count
+  * Fix `req.protocol`/`req.secure` when using "trust proxy" hops count
+
+3.20.0 / 2015-02-18
+===================
+
+  * Fix `"trust proxy"` setting to inherit when app is mounted
+  * Generate `ETag`s for all request responses
+    - No longer restricted to only responses for `GET` and `HEAD` requests
+  * Use `content-type` to parse `Content-Type` headers
+  * deps: connect@2.29.0
+    - Use `content-type` to parse `Content-Type` headers
+    - deps: body-parser@~1.12.0
+    - deps: compression@~1.4.1
+    - deps: connect-timeout@~1.6.0
+    - deps: cookie-parser@~1.3.4
+    - deps: cookie-signature@1.0.6
+    - deps: csurf@~1.7.0
+    - deps: errorhandler@~1.3.4
+    - deps: express-session@~1.10.3
+    - deps: http-errors@~1.3.1
+    - deps: response-time@~2.3.0
+    - deps: serve-index@~1.6.2
+    - deps: serve-static@~1.9.1
+    - deps: type-is@~1.6.0
+  * deps: cookie-signature@1.0.6
+  * deps: send@0.12.1
+    - Always read the stat size from the file
+    - Fix mutating passed-in `options`
+    - deps: mime@1.3.4
+
+3.19.2 / 2015-02-01
+===================
+
+  * deps: connect@2.28.3
+    - deps: compression@~1.3.1
+    - deps: csurf@~1.6.6
+    - deps: errorhandler@~1.3.3
+    - deps: express-session@~1.10.2
+    - deps: serve-index@~1.6.1
+    - deps: type-is@~1.5.6
+  * deps: proxy-addr@~1.0.6
+    - deps: ipaddr.js@0.1.8
+
+3.19.1 / 2015-01-20
+===================
+
+  * deps: connect@2.28.2
+    - deps: body-parser@~1.10.2
+    - deps: serve-static@~1.8.1
+  * deps: send@0.11.1
+    - Fix root path disclosure
+
+3.19.0 / 2015-01-09
+===================
+
+  * Fix `OPTIONS` responses to include the `HEAD` method property
+  * Use `readline` for prompt in `express(1)`
+  * deps: commander@2.6.0
+  * deps: connect@2.28.1
+    - deps: body-parser@~1.10.1
+    - deps: compression@~1.3.0
+    - deps: connect-timeout@~1.5.0
+    - deps: csurf@~1.6.4
+    - deps: debug@~2.1.1
+    - deps: errorhandler@~1.3.2
+    - deps: express-session@~1.10.1
+    - deps: finalhandler@0.3.3
+    - deps: method-override@~2.3.1
+    - deps: morgan@~1.5.1
+    - deps: serve-favicon@~2.2.0
+    - deps: serve-index@~1.6.0
+    - deps: serve-static@~1.8.0
+    - deps: type-is@~1.5.5
+  * deps: debug@~2.1.1
+  * deps: methods@~1.1.1
+  * deps: proxy-addr@~1.0.5
+    - deps: ipaddr.js@0.1.6
+  * deps: send@0.11.0
+    - deps: debug@~2.1.1
+    - deps: etag@~1.5.1
+    - deps: ms@0.7.0
+    - deps: on-finished@~2.2.0
+
+3.18.6 / 2014-12-12
+===================
+
+  * Fix exception in `req.fresh`/`req.stale` without response headers
+
+3.18.5 / 2014-12-11
+===================
+
+  * deps: connect@2.27.6
+    - deps: compression@~1.2.2
+    - deps: express-session@~1.9.3
+    - deps: http-errors@~1.2.8
+    - deps: serve-index@~1.5.3
+    - deps: type-is@~1.5.4
+
+3.18.4 / 2014-11-23
+===================
+
+  * deps: connect@2.27.4
+    - deps: body-parser@~1.9.3
+    - deps: compression@~1.2.1
+    - deps: errorhandler@~1.2.3
+    - deps: express-session@~1.9.2
+    - deps: qs@2.3.3
+    - deps: serve-favicon@~2.1.7
+    - deps: serve-static@~1.5.1
+    - deps: type-is@~1.5.3
+  * deps: etag@~1.5.1
+  * deps: proxy-addr@~1.0.4
+    - deps: ipaddr.js@0.1.5
+
+3.18.3 / 2014-11-09
+===================
+
+  * deps: connect@2.27.3
+    - Correctly invoke async callback asynchronously
+    - deps: csurf@~1.6.3
+
+3.18.2 / 2014-10-28
+===================
+
+  * deps: connect@2.27.2
+    - Fix handling of URLs containing `://` in the path
+    - deps: body-parser@~1.9.2
+    - deps: qs@2.3.2
+
+3.18.1 / 2014-10-22
+===================
+
+  * Fix internal `utils.merge` deprecation warnings
+  * deps: connect@2.27.1
+    - deps: body-parser@~1.9.1
+    - deps: express-session@~1.9.1
+    - deps: finalhandler@0.3.2
+    - deps: morgan@~1.4.1
+    - deps: qs@2.3.0
+    - deps: serve-static@~1.7.1
+  * deps: send@0.10.1
+    - deps: on-finished@~2.1.1
+
+3.18.0 / 2014-10-17
+===================
+
+  * Use `content-disposition` module for `res.attachment`/`res.download`
+    - Sends standards-compliant `Content-Disposition` header
+    - Full Unicode support
+  * Use `etag` module to generate `ETag` headers
+  * deps: connect@2.27.0
+    - Use `http-errors` module for creating errors
+    - Use `utils-merge` module for merging objects
+    - deps: body-parser@~1.9.0
+    - deps: compression@~1.2.0
+    - deps: connect-timeout@~1.4.0
+    - deps: debug@~2.1.0
+    - deps: depd@~1.0.0
+    - deps: express-session@~1.9.0
+    - deps: finalhandler@0.3.1
+    - deps: method-override@~2.3.0
+    - deps: morgan@~1.4.0
+    - deps: response-time@~2.2.0
+    - deps: serve-favicon@~2.1.6
+    - deps: serve-index@~1.5.0
+    - deps: serve-static@~1.7.0
+  * deps: debug@~2.1.0
+    - Implement `DEBUG_FD` env variable support
+  * deps: depd@~1.0.0
+  * deps: send@0.10.0
+    - deps: debug@~2.1.0
+    - deps: depd@~1.0.0
+    - deps: etag@~1.5.0
+
+3.17.8 / 2014-10-15
+===================
+
+  * deps: connect@2.26.6
+    - deps: compression@~1.1.2
+    - deps: csurf@~1.6.2
+    - deps: errorhandler@~1.2.2
+
+3.17.7 / 2014-10-08
+===================
+
+  * deps: connect@2.26.5
+    - Fix accepting non-object arguments to `logger`
+    - deps: serve-static@~1.6.4
+
+3.17.6 / 2014-10-02
+===================
+
+  * deps: connect@2.26.4
+    - deps: morgan@~1.3.2
+    - deps: type-is@~1.5.2
+
+3.17.5 / 2014-09-24
+===================
+
+  * deps: connect@2.26.3
+    - deps: body-parser@~1.8.4
+    - deps: serve-favicon@~2.1.5
+    - deps: serve-static@~1.6.3
+  * deps: proxy-addr@~1.0.3
+    - Use `forwarded` npm module
+  * deps: send@0.9.3
+    - deps: etag@~1.4.0
+
+3.17.4 / 2014-09-19
+===================
+
+  * deps: connect@2.26.2
+    - deps: body-parser@~1.8.3
+    - deps: qs@2.2.4
+
+3.17.3 / 2014-09-18
+===================
+
+  * deps: proxy-addr@~1.0.2
+    - Fix a global leak when multiple subnets are trusted
+    - deps: ipaddr.js@0.1.3
+
+3.17.2 / 2014-09-15
+===================
+
+  * Use `crc` instead of `buffer-crc32` for speed
+  * deps: connect@2.26.1
+    - deps: body-parser@~1.8.2
+    - deps: depd@0.4.5
+    - deps: express-session@~1.8.2
+    - deps: morgan@~1.3.1
+    - deps: serve-favicon@~2.1.3
+    - deps: serve-static@~1.6.2
+  * deps: depd@0.4.5
+  * deps: send@0.9.2
+    - deps: depd@0.4.5
+    - deps: etag@~1.3.1
+    - deps: range-parser@~1.0.2
+
+3.17.1 / 2014-09-08
+===================
+
+  * Fix error in `req.subdomains` on empty host
+
+3.17.0 / 2014-09-08
+===================
+
+  * Support `X-Forwarded-Host` in `req.subdomains`
+  * Support IP address host in `req.subdomains`
+  * deps: connect@2.26.0
+    - deps: body-parser@~1.8.1
+    - deps: compression@~1.1.0
+    - deps: connect-timeout@~1.3.0
+    - deps: cookie-parser@~1.3.3
+    - deps: cookie-signature@1.0.5
+    - deps: csurf@~1.6.1
+    - deps: debug@~2.0.0
+    - deps: errorhandler@~1.2.0
+    - deps: express-session@~1.8.1
+    - deps: finalhandler@0.2.0
+    - deps: fresh@0.2.4
+    - deps: media-typer@0.3.0
+    - deps: method-override@~2.2.0
+    - deps: morgan@~1.3.0
+    - deps: qs@2.2.3
+    - deps: serve-favicon@~2.1.3
+    - deps: serve-index@~1.2.1
+    - deps: serve-static@~1.6.1
+    - deps: type-is@~1.5.1
+    - deps: vhost@~3.0.0
+  * deps: cookie-signature@1.0.5
+  * deps: debug@~2.0.0
+  * deps: fresh@0.2.4
+  * deps: media-typer@0.3.0
+    - Throw error when parameter format invalid on parse
+  * deps: range-parser@~1.0.2
+  * deps: send@0.9.1
+    - Add `lastModified` option
+    - Use `etag` to generate `ETag` header
+    - deps: debug@~2.0.0
+    - deps: fresh@0.2.4
+  * deps: vary@~1.0.0
+    - Accept valid `Vary` header string as `field`
+
+3.16.10 / 2014-09-04
+====================
+
+  * deps: connect@2.25.10
+    - deps: serve-static@~1.5.4
+  * deps: send@0.8.5
+    - Fix a path traversal issue when using `root`
+    - Fix malicious path detection for empty string path
+
+3.16.9 / 2014-08-29
+===================
+
+  * deps: connect@2.25.9
+    - deps: body-parser@~1.6.7
+    - deps: qs@2.2.2
+
+3.16.8 / 2014-08-27
+===================
+
+  * deps: connect@2.25.8
+    - deps: body-parser@~1.6.6
+    - deps: csurf@~1.4.1
+    - deps: qs@2.2.0
+
+3.16.7 / 2014-08-18
+===================
+
+  * deps: connect@2.25.7
+    - deps: body-parser@~1.6.5
+    - deps: express-session@~1.7.6
+    - deps: morgan@~1.2.3
+    - deps: serve-static@~1.5.3
+  * deps: send@0.8.3
+    - deps: destroy@1.0.3
+    - deps: on-finished@2.1.0
+
+3.16.6 / 2014-08-14
+===================
+
+  * deps: connect@2.25.6
+    - deps: body-parser@~1.6.4
+    - deps: qs@1.2.2
+    - deps: serve-static@~1.5.2
+  * deps: send@0.8.2
+    - Work around `fd` leak in Node.js 0.10 for `fs.ReadStream`
+
+3.16.5 / 2014-08-11
+===================
+
+  * deps: connect@2.25.5
+    - Fix backwards compatibility in `logger`
+
+3.16.4 / 2014-08-10
+===================
+
+  * Fix original URL parsing in `res.location`
+  * deps: connect@2.25.4
+    - Fix `query` middleware breaking with argument
+    - deps: body-parser@~1.6.3
+    - deps: compression@~1.0.11
+    - deps: connect-timeout@~1.2.2
+    - deps: express-session@~1.7.5
+    - deps: method-override@~2.1.3
+    - deps: on-headers@~1.0.0
+    - deps: parseurl@~1.3.0
+    - deps: qs@1.2.1
+    - deps: response-time@~2.0.1
+    - deps: serve-index@~1.1.6
+    - deps: serve-static@~1.5.1
+  * deps: parseurl@~1.3.0
+
+3.16.3 / 2014-08-07
+===================
+
+  * deps: connect@2.25.3
+    - deps: multiparty@3.3.2
+
+3.16.2 / 2014-08-07
+===================
+
+  * deps: connect@2.25.2
+    - deps: body-parser@~1.6.2
+    - deps: qs@1.2.0
+
+3.16.1 / 2014-08-06
+===================
+
+  * deps: connect@2.25.1
+    - deps: body-parser@~1.6.1
+    - deps: qs@1.1.0
+
+3.16.0 / 2014-08-05
+===================
+
+  * deps: connect@2.25.0
+    - deps: body-parser@~1.6.0
+    - deps: compression@~1.0.10
+    - deps: csurf@~1.4.0
+    - deps: express-session@~1.7.4
+    - deps: qs@1.0.2
+    - deps: serve-static@~1.5.0
+  * deps: send@0.8.1
+    - Add `extensions` option
+
+3.15.3 / 2014-08-04
+===================
+
+  * fix `res.sendfile` regression for serving directory index files
+  * deps: connect@2.24.3
+    - deps: serve-index@~1.1.5
+    - deps: serve-static@~1.4.4
+  * deps: send@0.7.4
+    - Fix incorrect 403 on Windows and Node.js 0.11
+    - Fix serving index files without root dir
+
+3.15.2 / 2014-07-27
+===================
+
+  * deps: connect@2.24.2
+    - deps: body-parser@~1.5.2
+    - deps: depd@0.4.4
+    - deps: express-session@~1.7.2
+    - deps: morgan@~1.2.2
+    - deps: serve-static@~1.4.2
+  * deps: depd@0.4.4
+    - Work-around v8 generating empty stack traces
+  * deps: send@0.7.2
+    - deps: depd@0.4.4
+
+3.15.1 / 2014-07-26
+===================
+
+  * deps: connect@2.24.1
+    - deps: body-parser@~1.5.1
+    - deps: depd@0.4.3
+    - deps: express-session@~1.7.1
+    - deps: morgan@~1.2.1
+    - deps: serve-index@~1.1.4
+    - deps: serve-static@~1.4.1
+  * deps: depd@0.4.3
+    - Fix exception when global `Error.stackTraceLimit` is too low
+  * deps: send@0.7.1
+    - deps: depd@0.4.3
+
+3.15.0 / 2014-07-22
+===================
+
+  * Fix `req.protocol` for proxy-direct connections
+  * Pass options from `res.sendfile` to `send`
+  * deps: connect@2.24.0
+    - deps: body-parser@~1.5.0
+    - deps: compression@~1.0.9
+    - deps: connect-timeout@~1.2.1
+    - deps: debug@1.0.4
+    - deps: depd@0.4.2
+    - deps: express-session@~1.7.0
+    - deps: finalhandler@0.1.0
+    - deps: method-override@~2.1.2
+    - deps: morgan@~1.2.0
+    - deps: multiparty@3.3.1
+    - deps: parseurl@~1.2.0
+    - deps: serve-static@~1.4.0
+  * deps: debug@1.0.4
+  * deps: depd@0.4.2
+    - Add `TRACE_DEPRECATION` environment variable
+    - Remove non-standard grey color from color output
+    - Support `--no-deprecation` argument
+    - Support `--trace-deprecation` argument
+  * deps: parseurl@~1.2.0
+    - Cache URLs based on original value
+    - Remove no-longer-needed URL mis-parse work-around
+    - Simplify the "fast-path" `RegExp`
+  * deps: send@0.7.0
+    - Add `dotfiles` option
+    - Cap `maxAge` value to 1 year
+    - deps: debug@1.0.4
+    - deps: depd@0.4.2
+
+3.14.0 / 2014-07-11
+===================
+
+ * add explicit "Rosetta Flash JSONP abuse" protection
+   - previous versions are not vulnerable; this is just explicit protection
+ * deprecate `res.redirect(url, status)` -- use `res.redirect(status, url)` instead
+ * fix `res.send(status, num)` to send `num` as json (not error)
+ * remove unnecessary escaping when `res.jsonp` returns JSON response
+ * deps: basic-auth@1.0.0
+   - support empty password
+   - support empty username
+ * deps: connect@2.23.0
+   - deps: debug@1.0.3
+   - deps: express-session@~1.6.4
+   - deps: method-override@~2.1.0
+   - deps: parseurl@~1.1.3
+   - deps: serve-static@~1.3.1
+  * deps: debug@1.0.3
+    - Add support for multiple wildcards in namespaces
+  * deps: methods@1.1.0
+    - add `CONNECT`
+  * deps: parseurl@~1.1.3
+    - faster parsing of href-only URLs
+
+3.13.0 / 2014-07-03
+===================
+
+ * add deprecation message to `app.configure`
+ * add deprecation message to `req.auth`
+ * use `basic-auth` to parse `Authorization` header
+ * deps: connect@2.22.0
+   - deps: csurf@~1.3.0
+   - deps: express-session@~1.6.1
+   - deps: multiparty@3.3.0
+   - deps: serve-static@~1.3.0
+ * deps: send@0.5.0
+   - Accept string for `maxage` (converted by `ms`)
+   - Include link in default redirect response
+
+3.12.1 / 2014-06-26
+===================
+
+ * deps: connect@2.21.1
+   - deps: cookie-parser@1.3.2
+   - deps: cookie-signature@1.0.4
+   - deps: express-session@~1.5.2
+   - deps: type-is@~1.3.2
+ * deps: cookie-signature@1.0.4
+   - fix for timing attacks
+
+3.12.0 / 2014-06-21
+===================
+
+ * use `media-typer` to alter content-type charset
+ * deps: connect@2.21.0
+   - deprecate `connect(middleware)` -- use `app.use(middleware)` instead
+   - deprecate `connect.createServer()` -- use `connect()` instead
+   - fix `res.setHeader()` patch to work with with get -> append -> set pattern
+   - deps: compression@~1.0.8
+   - deps: errorhandler@~1.1.1
+   - deps: express-session@~1.5.0
+   - deps: serve-index@~1.1.3
+
+3.11.0 / 2014-06-19
+===================
+
+ * deprecate things with `depd` module
+ * deps: buffer-crc32@0.2.3
+ * deps: connect@2.20.2
+   - deprecate `verify` option to `json` -- use `body-parser` npm module instead
+   - deprecate `verify` option to `urlencoded` -- use `body-parser` npm module instead
+   - deprecate things with `depd` module
+   - use `finalhandler` for final response handling
+   - use `media-typer` to parse `content-type` for charset
+   - deps: body-parser@1.4.3
+   - deps: connect-timeout@1.1.1
+   - deps: cookie-parser@1.3.1
+   - deps: csurf@1.2.2
+   - deps: errorhandler@1.1.0
+   - deps: express-session@1.4.0
+   - deps: multiparty@3.2.9
+   - deps: serve-index@1.1.2
+   - deps: type-is@1.3.1
+   - deps: vhost@2.0.0
+
+3.10.5 / 2014-06-11
+===================
+
+ * deps: connect@2.19.6
+   - deps: body-parser@1.3.1
+   - deps: compression@1.0.7
+   - deps: debug@1.0.2
+   - deps: serve-index@1.1.1
+   - deps: serve-static@1.2.3
+ * deps: debug@1.0.2
+ * deps: send@0.4.3
+   - Do not throw uncatchable error on file open race condition
+   - Use `escape-html` for HTML escaping
+   - deps: debug@1.0.2
+   - deps: finished@1.2.2
+   - deps: fresh@0.2.2
+
+3.10.4 / 2014-06-09
+===================
+
+ * deps: connect@2.19.5
+   - fix "event emitter leak" warnings
+   - deps: csurf@1.2.1
+   - deps: debug@1.0.1
+   - deps: serve-static@1.2.2
+   - deps: type-is@1.2.1
+ * deps: debug@1.0.1
+ * deps: send@0.4.2
+   - fix "event emitter leak" warnings
+   - deps: finished@1.2.1
+   - deps: debug@1.0.1
+
+3.10.3 / 2014-06-05
+===================
+
+ * use `vary` module for `res.vary`
+ * deps: connect@2.19.4
+   - deps: errorhandler@1.0.2
+   - deps: method-override@2.0.2
+   - deps: serve-favicon@2.0.1
+ * deps: debug@1.0.0
+
+3.10.2 / 2014-06-03
+===================
+
+ * deps: connect@2.19.3
+   - deps: compression@1.0.6
+
+3.10.1 / 2014-06-03
+===================
+
+ * deps: connect@2.19.2
+   - deps: compression@1.0.4
+ * deps: proxy-addr@1.0.1
+
+3.10.0 / 2014-06-02
+===================
+
+ * deps: connect@2.19.1
+   - deprecate `methodOverride()` -- use `method-override` npm module instead
+   - deps: body-parser@1.3.0
+   - deps: method-override@2.0.1
+   - deps: multiparty@3.2.8
+   - deps: response-time@2.0.0
+   - deps: serve-static@1.2.1
+ * deps: methods@1.0.1
+ * deps: send@0.4.1
+   - Send `max-age` in `Cache-Control` in correct format
+
+3.9.0 / 2014-05-30
+==================
+
+ * custom etag control with `app.set('etag', val)`
+   - `app.set('etag', function(body, encoding){ return '"etag"' })` custom etag generation
+   - `app.set('etag', 'weak')` weak tag
+   - `app.set('etag', 'strong')` strong etag
+   - `app.set('etag', false)` turn off
+   - `app.set('etag', true)` standard etag
+ * Include ETag in HEAD requests
+ * mark `res.send` ETag as weak and reduce collisions
+ * update connect to 2.18.0
+   - deps: compression@1.0.3
+   - deps: serve-index@1.1.0
+   - deps: serve-static@1.2.0
+ * update send to 0.4.0
+   - Calculate ETag with md5 for reduced collisions
+   - Ignore stream errors after request ends
+   - deps: debug@0.8.1
+
+3.8.1 / 2014-05-27
+==================
+
+ * update connect to 2.17.3
+   - deps: body-parser@1.2.2
+   - deps: express-session@1.2.1
+   - deps: method-override@1.0.2
+
+3.8.0 / 2014-05-21
+==================
+
+ * keep previous `Content-Type` for `res.jsonp`
+ * set proper `charset` in `Content-Type` for `res.send`
+ * update connect to 2.17.1
+   - fix `res.charset` appending charset when `content-type` has one
+   - deps: express-session@1.2.0
+   - deps: morgan@1.1.1
+   - deps: serve-index@1.0.3
+
+3.7.0 / 2014-05-18
+==================
+
+ * proper proxy trust with `app.set('trust proxy', trust)`
+   - `app.set('trust proxy', 1)` trust first hop
+   - `app.set('trust proxy', 'loopback')` trust loopback addresses
+   - `app.set('trust proxy', '10.0.0.1')` trust single IP
+   - `app.set('trust proxy', '10.0.0.1/16')` trust subnet
+   - `app.set('trust proxy', '10.0.0.1, 10.0.0.2')` trust list
+   - `app.set('trust proxy', false)` turn off
+   - `app.set('trust proxy', true)` trust everything
+ * update connect to 2.16.2
+   - deprecate `res.headerSent` -- use `res.headersSent`
+   - deprecate `res.on("header")` -- use on-headers module instead
+   - fix edge-case in `res.appendHeader` that would append in wrong order
+   - json: use body-parser
+   - urlencoded: use body-parser
+   - dep: bytes@1.0.0
+   - dep: cookie-parser@1.1.0
+   - dep: csurf@1.2.0
+   - dep: express-session@1.1.0
+   - dep: method-override@1.0.1
+
+3.6.0 / 2014-05-09
+==================
+
+ * deprecate `app.del()` -- use `app.delete()` instead
+ * deprecate `res.json(obj, status)` -- use `res.json(status, obj)` instead
+   - the edge-case `res.json(status, num)` requires `res.status(status).json(num)`
+ * deprecate `res.jsonp(obj, status)` -- use `res.jsonp(status, obj)` instead
+   - the edge-case `res.jsonp(status, num)` requires `res.status(status).jsonp(num)`
+ * support PURGE method
+   - add `app.purge`
+   - add `router.purge`
+   - include PURGE in `app.all`
+ * update connect to 2.15.0
+   * Add `res.appendHeader`
+   * Call error stack even when response has been sent
+   * Patch `res.headerSent` to return Boolean
+   * Patch `res.headersSent` for node.js 0.8
+   * Prevent default 404 handler after response sent
+   * dep: compression@1.0.2
+   * dep: connect-timeout@1.1.0
+   * dep: debug@^0.8.0
+   * dep: errorhandler@1.0.1
+   * dep: express-session@1.0.4
+   * dep: morgan@1.0.1
+   * dep: serve-favicon@2.0.0
+   * dep: serve-index@1.0.2
+ * update debug to 0.8.0
+   * add `enable()` method
+   * change from stderr to stdout
+ * update methods to 1.0.0
+   - add PURGE
+ * update mkdirp to 0.5.0
+
+3.5.3 / 2014-05-08
+==================
+
+ * fix `req.host` for IPv6 literals
+ * fix `res.jsonp` error if callback param is object
+
+3.5.2 / 2014-04-24
+==================
+
+ * update connect to 2.14.5
+ * update cookie to 0.1.2
+ * update mkdirp to 0.4.0
+ * update send to 0.3.0
+
+3.5.1 / 2014-03-25
+==================
+
+ * pin less-middleware in generated app
+
+3.5.0 / 2014-03-06
+==================
+
+ * bump deps
+
+3.4.8 / 2014-01-13
+==================
+
+ * prevent incorrect automatic OPTIONS responses #1868 @dpatti
+ * update binary and examples for jade 1.0 #1876 @yossi, #1877 @reqshark, #1892 @matheusazzi
+ * throw 400 in case of malformed paths @rlidwka
+
+3.4.7 / 2013-12-10
+==================
+
+ * update connect
+
+3.4.6 / 2013-12-01
+==================
+
+ * update connect (raw-body)
+
+3.4.5 / 2013-11-27
+==================
+
+ * update connect
+ * res.location: remove leading ./ #1802 @kapouer
+ * res.redirect: fix `res.redirect('toString') #1829 @michaelficarra
+ * res.send: always send ETag when content-length > 0
+ * router: add Router.all() method
+
+3.4.4 / 2013-10-29
+==================
+
+ * update connect
+ * update supertest
+ * update methods
+ * express(1): replace bodyParser() with urlencoded() and json() #1795 @chirag04
+
+3.4.3 / 2013-10-23
+==================
+
+ * update connect
+
+3.4.2 / 2013-10-18
+==================
+
+ * update connect
+ * downgrade commander
+
+3.4.1 / 2013-10-15
+==================
+
+ * update connect
+ * update commander
+ * jsonp: check if callback is a function
+ * router: wrap encodeURIComponent in a try/catch #1735 (@lxe)
+ * res.format: now includes charset @1747 (@sorribas)
+ * res.links: allow multiple calls @1746 (@sorribas)
+
+3.4.0 / 2013-09-07
+==================
+
+ * add res.vary(). Closes #1682
+ * update connect
+
+3.3.8 / 2013-09-02
+==================
+
+ * update connect
+
+3.3.7 / 2013-08-28
+==================
+
+ * update connect
+
+3.3.6 / 2013-08-27
+==================
+
+ * Revert "remove charset from json responses. Closes #1631" (causes issues in some clients)
+ * add: req.accepts take an argument list
+
+3.3.4 / 2013-07-08
+==================
+
+ * update send and connect
+
+3.3.3 / 2013-07-04
+==================
+
+ * update connect
+
+3.3.2 / 2013-07-03
+==================
+
+ * update connect
+ * update send
+ * remove .version export
+
+3.3.1 / 2013-06-27
+==================
+
+ * update connect
+
+3.3.0 / 2013-06-26
+==================
+
+ * update connect
+ * add support for multiple X-Forwarded-Proto values. Closes #1646
+ * change: remove charset from json responses. Closes #1631
+ * change: return actual booleans from req.accept* functions
+ * fix jsonp callback array throw
+
+3.2.6 / 2013-06-02
+==================
+
+ * update connect
+
+3.2.5 / 2013-05-21
+==================
+
+ * update connect
+ * update node-cookie
+ * add: throw a meaningful error when there is no default engine
+ * change generation of ETags with res.send() to GET requests only. Closes #1619
+
+3.2.4 / 2013-05-09
+==================
+
+  * fix `req.subdomains` when no Host is present
+  * fix `req.host` when no Host is present, return undefined
+
+3.2.3 / 2013-05-07
+==================
+
+  * update connect / qs
+
+3.2.2 / 2013-05-03
+==================
+
+  * update qs
+
+3.2.1 / 2013-04-29
+==================
+
+  * add app.VERB() paths array deprecation warning
+  * update connect
+  * update qs and remove all ~ semver crap
+  * fix: accept number as value of Signed Cookie
+
+3.2.0 / 2013-04-15
+==================
+
+  * add "view" constructor setting to override view behaviour
+  * add req.acceptsEncoding(name)
+  * add req.acceptedEncodings
+  * revert cookie signature change causing session race conditions
+  * fix sorting of Accept values of the same quality
+
+3.1.2 / 2013-04-12
+==================
+
+  * add support for custom Accept parameters
+  * update cookie-signature
+
+3.1.1 / 2013-04-01
+==================
+
+  * add X-Forwarded-Host support to `req.host`
+  * fix relative redirects
+  * update mkdirp
+  * update buffer-crc32
+  * remove legacy app.configure() method from app template.
+
+3.1.0 / 2013-01-25
+==================
+
+  * add support for leading "." in "view engine" setting
+  * add array support to `res.set()`
+  * add node 0.8.x to travis.yml
+  * add "subdomain offset" setting for tweaking `req.subdomains`
+  * add `res.location(url)` implementing `res.redirect()`-like setting of Location
+  * use app.get() for x-powered-by setting for inheritance
+  * fix colons in passwords for `req.auth`
+
+3.0.6 / 2013-01-04
+==================
+
+  * add http verb methods to Router
+  * update connect
+  * fix mangling of the `res.cookie()` options object
+  * fix jsonp whitespace escape. Closes #1132
+
+3.0.5 / 2012-12-19
+==================
+
+  * add throwing when a non-function is passed to a route
+  * fix: explicitly remove Transfer-Encoding header from 204 and 304 responses
+  * revert "add 'etag' option"
+
+3.0.4 / 2012-12-05
+==================
+
+  * add 'etag' option to disable `res.send()` Etags
+  * add escaping of urls in text/plain in `res.redirect()`
+    for old browsers interpreting as html
+  * change crc32 module for a more liberal license
+  * update connect
+
+3.0.3 / 2012-11-13
+==================
+
+  * update connect
+  * update cookie module
+  * fix cookie max-age
+
+3.0.2 / 2012-11-08
+==================
+
+  * add OPTIONS to cors example. Closes #1398
+  * fix route chaining regression. Closes #1397
+
+3.0.1 / 2012-11-01
+==================
+
+  * update connect
+
+3.0.0 / 2012-10-23
+==================
+
+  * add `make clean`
+  * add "Basic" check to req.auth
+  * add `req.auth` test coverage
+  * add cb && cb(payload) to `res.jsonp()`. Closes #1374
+  * add backwards compat for `res.redirect()` status. Closes #1336
+  * add support for `res.json()` to retain previously defined Content-Types. Closes #1349
+  * update connect
+  * change `res.redirect()` to utilize a pathname-relative Location again. Closes #1382
+  * remove non-primitive string support for `res.send()`
+  * fix view-locals example. Closes #1370
+  * fix route-separation example
+
+3.0.0rc5 / 2012-09-18
+==================
+
+  * update connect
+  * add redis search example
+  * add static-files example
+  * add "x-powered-by" setting (`app.disable('x-powered-by')`)
+  * add "application/octet-stream" redirect Accept test case. Closes #1317
+
+3.0.0rc4 / 2012-08-30
+==================
+
+  * add `res.jsonp()`. Closes #1307
+  * add "verbose errors" option to error-pages example
+  * add another route example to express(1) so people are not so confused
+  * add redis online user activity tracking example
+  * update connect dep
+  * fix etag quoting. Closes #1310
+  * fix error-pages 404 status
+  * fix jsonp callback char restrictions
+  * remove old OPTIONS default response
+
+3.0.0rc3 / 2012-08-13
+==================
+
+  * update connect dep
+  * fix signed cookies to work with `connect.cookieParser()` ("s:" prefix was missing) [tnydwrds]
+  * fix `res.render()` clobbering of "locals"
+
+3.0.0rc2 / 2012-08-03
+==================
+
+  * add CORS example
+  * update connect dep
+  * deprecate `.createServer()` & remove old stale examples
+  * fix: escape `res.redirect()` link
+  * fix vhost example
+
+3.0.0rc1 / 2012-07-24
+==================
+
+  * add more examples to view-locals
+  * add scheme-relative redirects (`res.redirect("//foo.com")`) support
+  * update cookie dep
+  * update connect dep
+  * update send dep
+  * fix `express(1)` -h flag, use -H for hogan. Closes #1245
+  * fix `res.sendfile()` socket error handling regression
+
+3.0.0beta7 / 2012-07-16
+==================
+
+  * update connect dep for `send()` root normalization regression
+
+3.0.0beta6 / 2012-07-13
+==================
+
+  * add `err.view` property for view errors. Closes #1226
+  * add "jsonp callback name" setting
+  * add support for "/foo/:bar*" non-greedy matches
+  * change `res.sendfile()` to use `send()` module
+  * change `res.send` to use "response-send" module
+  * remove `app.locals.use` and `res.locals.use`, use regular middleware
+
+3.0.0beta5 / 2012-07-03
+==================
+
+  * add "make check" support
+  * add route-map example
+  * add `res.json(obj, status)` support back for BC
+  * add "methods" dep, remove internal methods module
+  * update connect dep
+  * update auth example to utilize cores pbkdf2
+  * updated tests to use "supertest"
+
+3.0.0beta4 / 2012-06-25
+==================
+
+  * Added `req.auth`
+  * Added `req.range(size)`
+  * Added `res.links(obj)`
+  * Added `res.send(body, status)` support back for backwards compat
+  * Added `.default()` support to `res.format()`
+  * Added 2xx / 304 check to `req.fresh`
+  * Revert "Added + support to the router"
+  * Fixed `res.send()` freshness check, respect res.statusCode
+
+3.0.0beta3 / 2012-06-15
+==================
+
+  * Added hogan `--hjs` to express(1) [nullfirm]
+  * Added another example to content-negotiation
+  * Added `fresh` dep
+  * Changed: `res.send()` always checks freshness
+  * Fixed: expose connects mime module. Closes #1165
+
+3.0.0beta2 / 2012-06-06
+==================
+
+  * Added `+` support to the router
+  * Added `req.host`
+  * Changed `req.param()` to check route first
+  * Update connect dep
+
+3.0.0beta1 / 2012-06-01
+==================
+
+  * Added `res.format()` callback to override default 406 behaviour
+  * Fixed `res.redirect()` 406. Closes #1154
+
+3.0.0alpha5 / 2012-05-30
+==================
+
+  * Added `req.ip`
+  * Added `{ signed: true }` option to `res.cookie()`
+  * Removed `res.signedCookie()`
+  * Changed: dont reverse `req.ips`
+  * Fixed "trust proxy" setting check for `req.ips`
+
+3.0.0alpha4 / 2012-05-09
+==================
+
+  * Added: allow `[]` in jsonp callback. Closes #1128
+  * Added `PORT` env var support in generated template. Closes #1118 [benatkin]
+  * Updated: connect 2.2.2
+
+3.0.0alpha3 / 2012-05-04
+==================
+
+  * Added public `app.routes`. Closes #887
+  * Added _view-locals_ example
+  * Added _mvc_ example
+  * Added `res.locals.use()`. Closes #1120
+  * Added conditional-GET support to `res.send()`
+  * Added: coerce `res.set()` values to strings
+  * Changed: moved `static()` in generated apps below router
+  * Changed: `res.send()` only set ETag when not previously set
+  * Changed connect 2.2.1 dep
+  * Changed: `make test` now runs unit / acceptance tests
+  * Fixed req/res proto inheritance
+
+3.0.0alpha2 / 2012-04-26
+==================
+
+  * Added `make benchmark` back
+  * Added `res.send()` support for `String` objects
+  * Added client-side data exposing example
+  * Added `res.header()` and `req.header()` aliases for BC
+  * Added `express.createServer()` for BC
+  * Perf: memoize parsed urls
+  * Perf: connect 2.2.0 dep
+  * Changed: make `expressInit()` middleware self-aware
+  * Fixed: use app.get() for all core settings
+  * Fixed redis session example
+  * Fixed session example. Closes #1105
+  * Fixed generated express dep. Closes #1078
+
+3.0.0alpha1 / 2012-04-15
+==================
+
+  * Added `app.locals.use(callback)`
+  * Added `app.locals` object
+  * Added `app.locals(obj)`
+  * Added `res.locals` object
+  * Added `res.locals(obj)`
+  * Added `res.format()` for content-negotiation
+  * Added `app.engine()`
+  * Added `res.cookie()` JSON cookie support
+  * Added "trust proxy" setting
+  * Added `req.subdomains`
+  * Added `req.protocol`
+  * Added `req.secure`
+  * Added `req.path`
+  * Added `req.ips`
+  * Added `req.fresh`
+  * Added `req.stale`
+  * Added comma-delimited / array support for `req.accepts()`
+  * Added debug instrumentation
+  * Added `res.set(obj)`
+  * Added `res.set(field, value)`
+  * Added `res.get(field)`
+  * Added `app.get(setting)`. Closes #842
+  * Added `req.acceptsLanguage()`
+  * Added `req.acceptsCharset()`
+  * Added `req.accepted`
+  * Added `req.acceptedLanguages`
+  * Added `req.acceptedCharsets`
+  * Added "json replacer" setting
+  * Added "json spaces" setting
+  * Added X-Forwarded-Proto support to `res.redirect()`. Closes #92
+  * Added `--less` support to express(1)
+  * Added `express.response` prototype
+  * Added `express.request` prototype
+  * Added `express.application` prototype
+  * Added `app.path()`
+  * Added `app.render()`
+  * Added `res.type()` to replace `res.contentType()`
+  * Changed: `res.redirect()` to add relative support
+  * Changed: enable "jsonp callback" by default
+  * Changed: renamed "case sensitive routes" to "case sensitive routing"
+  * Rewrite of all tests with mocha
+  * Removed "root" setting
+  * Removed `res.redirect('home')` support
+  * Removed `req.notify()`
+  * Removed `app.register()`
+  * Removed `app.redirect()`
+  * Removed `app.is()`
+  * Removed `app.helpers()`
+  * Removed `app.dynamicHelpers()`
+  * Fixed `res.sendfile()` with non-GET. Closes #723
+  * Fixed express(1) public dir for windows. Closes #866
+
+2.5.9/ 2012-04-02
+==================
+
+  * Added support for PURGE request method [pbuyle]
+  * Fixed `express(1)` generated app `app.address()` before `listening` [mmalecki]
+
+2.5.8 / 2012-02-08
+==================
+
+  * Update mkdirp dep. Closes #991
+
+2.5.7 / 2012-02-06
+==================
+
+  * Fixed `app.all` duplicate DELETE requests [mscdex]
+
+2.5.6 / 2012-01-13
+==================
+
+  * Updated hamljs dev dep. Closes #953
+
+2.5.5 / 2012-01-08
+==================
+
+  * Fixed: set `filename` on cached templates [matthewleon]
+
+2.5.4 / 2012-01-02
+==================
+
+  * Fixed `express(1)` eol on 0.4.x. Closes #947
+
+2.5.3 / 2011-12-30
+==================
+
+  * Fixed `req.is()` when a charset is present
+
+2.5.2 / 2011-12-10
+==================
+
+  * Fixed: express(1) LF -> CRLF for windows
+
+2.5.1 / 2011-11-17
+==================
+
+  * Changed: updated connect to 1.8.x
+  * Removed sass.js support from express(1)
+
+2.5.0 / 2011-10-24
+==================
+
+  * Added ./routes dir for generated app by default
+  * Added npm install reminder to express(1) app gen
+  * Added 0.5.x support
+  * Removed `make test-cov` since it wont work with node 0.5.x
+  * Fixed express(1) public dir for windows. Closes #866
+
+2.4.7 / 2011-10-05
+==================
+
+  * Added mkdirp to express(1). Closes #795
+  * Added simple _json-config_ example
+  * Added  shorthand for the parsed request's pathname via `req.path`
+  * Changed connect dep to 1.7.x to fix npm issue...
+  * Fixed `res.redirect()` __HEAD__ support. [reported by xerox]
+  * Fixed `req.flash()`, only escape args
+  * Fixed absolute path checking on windows. Closes #829 [reported by andrewpmckenzie]
+
+2.4.6 / 2011-08-22
+==================
+
+  * Fixed multiple param callback regression. Closes #824 [reported by TroyGoode]
+
+2.4.5 / 2011-08-19
+==================
+
+  * Added support for routes to handle errors. Closes #809
+  * Added `app.routes.all()`. Closes #803
+  * Added "basepath" setting to work in conjunction with reverse proxies etc.
+  * Refactored `Route` to use a single array of callbacks
+  * Added support for multiple callbacks for `app.param()`. Closes #801
+Closes #805
+  * Changed: removed .call(self) for route callbacks
+  * Dependency: `qs >= 0.3.1`
+  * Fixed `res.redirect()` on windows due to `join()` usage. Closes #808
+
+2.4.4 / 2011-08-05
+==================
+
+  * Fixed `res.header()` intention of a set, even when `undefined`
+  * Fixed `*`, value no longer required
+  * Fixed `res.send(204)` support. Closes #771
+
+2.4.3 / 2011-07-14
+==================
+
+  * Added docs for `status` option special-case. Closes #739
+  * Fixed `options.filename`, exposing the view path to template engines
+
+2.4.2. / 2011-07-06
+==================
+
+  * Revert "removed jsonp stripping" for XSS
+
+2.4.1 / 2011-07-06
+==================
+
+  * Added `res.json()` JSONP support. Closes #737
+  * Added _extending-templates_ example. Closes #730
+  * Added "strict routing" setting for trailing slashes
+  * Added support for multiple envs in `app.configure()` calls. Closes #735
+  * Changed: `res.send()` using `res.json()`
+  * Changed: when cookie `path === null` don't default it
+  * Changed; default cookie path to "home" setting. Closes #731
+  * Removed _pids/logs_ creation from express(1)
+
+2.4.0 / 2011-06-28
+==================
+
+  * Added chainable `res.status(code)`
+  * Added `res.json()`, an explicit version of `res.send(obj)`
+  * Added simple web-service example
+
+2.3.12 / 2011-06-22
+==================
+
+  * \#express is now on freenode! come join!
+  * Added `req.get(field, param)`
+  * Added links to Japanese documentation, thanks @hideyukisaito!
+  * Added; the `express(1)` generated app outputs the env
+  * Added `content-negotiation` example
+  * Dependency: connect >= 1.5.1 < 2.0.0
+  * Fixed view layout bug. Closes #720
+  * Fixed; ignore body on 304. Closes #701
+
+2.3.11 / 2011-06-04
+==================
+
+  * Added `npm test`
+  * Removed generation of dummy test file from `express(1)`
+  * Fixed; `express(1)` adds express as a dep
+  * Fixed; prune on `prepublish`
+
+2.3.10 / 2011-05-27
+==================
+
+  * Added `req.route`, exposing the current route
+  * Added _package.json_ generation support to `express(1)`
+  * Fixed call to `app.param()` function for optional params. Closes #682
+
+2.3.9 / 2011-05-25
+==================
+
+  * Fixed bug-ish with `../' in `res.partial()` calls
+
+2.3.8 / 2011-05-24
+==================
+
+  * Fixed `app.options()`
+
+2.3.7 / 2011-05-23
+==================
+
+  * Added route `Collection`, ex: `app.get('/user/:id').remove();`
+  * Added support for `app.param(fn)` to define param logic
+  * Removed `app.param()` support for callback with return value
+  * Removed module.parent check from express(1) generated app. Closes #670
+  * Refactored router. Closes #639
+
+2.3.6 / 2011-05-20
+==================
+
+  * Changed; using devDependencies instead of git submodules
+  * Fixed redis session example
+  * Fixed markdown example
+  * Fixed view caching, should not be enabled in development
+
+2.3.5 / 2011-05-20
+==================
+
+  * Added export `.view` as alias for `.View`
+
+2.3.4 / 2011-05-08
+==================
+
+  * Added `./examples/say`
+  * Fixed `res.sendfile()` bug preventing the transfer of files with spaces
+
+2.3.3 / 2011-05-03
+==================
+
+  * Added "case sensitive routes" option.
+  * Changed; split methods supported per rfc [slaskis]
+  * Fixed route-specific middleware when using the same callback function several times
+
+2.3.2 / 2011-04-27
+==================
+
+  * Fixed view hints
+
+2.3.1 / 2011-04-26
+==================
+
+  * Added `app.match()` as `app.match.all()`
+  * Added `app.lookup()` as `app.lookup.all()`
+  * Added `app.remove()` for `app.remove.all()`
+  * Added `app.remove.VERB()`
+  * Fixed template caching collision issue. Closes #644
+  * Moved router over from connect and started refactor
+
+2.3.0 / 2011-04-25
+==================
+
+  * Added options support to `res.clearCookie()`
+  * Added `res.helpers()` as alias of `res.locals()`
+  * Added; json defaults to UTF-8 with `res.send()`. Closes #632. [Daniel   * Dependency `connect >= 1.4.0`
+  * Changed; auto set Content-Type in res.attachement [Aaron Heckmann]
+  * Renamed "cache views" to "view cache". Closes #628
+  * Fixed caching of views when using several apps. Closes #637
+  * Fixed gotcha invoking `app.param()` callbacks once per route middleware.
+Closes #638
+  * Fixed partial lookup precedence. Closes #631
+Shaw]
+
+2.2.2 / 2011-04-12
+==================
+
+  * Added second callback support for `res.download()` connection errors
+  * Fixed `filename` option passing to template engine
+
+2.2.1 / 2011-04-04
+==================
+
+  * Added `layout(path)` helper to change the layout within a view. Closes #610
+  * Fixed `partial()` collection object support.
+    Previously only anything with `.length` would work.
+    When `.length` is present one must still be aware of holes,
+    however now `{ collection: {foo: 'bar'}}` is valid, exposes
+    `keyInCollection` and `keysInCollection`.
+
+  * Performance improved with better view caching
+  * Removed `request` and `response` locals
+  * Changed; errorHandler page title is now `Express` instead of `Connect`
+
+2.2.0 / 2011-03-30
+==================
+
+  * Added `app.lookup.VERB()`, ex `app.lookup.put('/user/:id')`. Closes #606
+  * Added `app.match.VERB()`, ex `app.match.put('/user/12')`. Closes #606
+  * Added `app.VERB(path)` as alias of `app.lookup.VERB()`.
+  * Dependency `connect >= 1.2.0`
+
+2.1.1 / 2011-03-29
+==================
+
+  * Added; expose `err.view` object when failing to locate a view
+  * Fixed `res.partial()` call `next(err)` when no callback is given [reported by aheckmann]
+  * Fixed; `res.send(undefined)` responds with 204 [aheckmann]
+
+2.1.0 / 2011-03-24
+==================
+
+  * Added `<root>/_?<name>` partial lookup support. Closes #447
+  * Added `request`, `response`, and `app` local variables
+  * Added `settings` local variable, containing the app's settings
+  * Added `req.flash()` exception if `req.session` is not available
+  * Added `res.send(bool)` support (json response)
+  * Fixed stylus example for latest version
+  * Fixed; wrap try/catch around `res.render()`
+
+2.0.0 / 2011-03-17
+==================
+
+  * Fixed up index view path alternative.
+  * Changed; `res.locals()` without object returns the locals
+
+2.0.0rc3 / 2011-03-17
+==================
+
+  * Added `res.locals(obj)` to compliment `res.local(key, val)`
+  * Added `res.partial()` callback support
+  * Fixed recursive error reporting issue in `res.render()`
+
+2.0.0rc2 / 2011-03-17
+==================
+
+  * Changed; `partial()` "locals" are now optional
+  * Fixed `SlowBuffer` support. Closes #584 [reported by tyrda01]
+  * Fixed .filename view engine option [reported by drudge]
+  * Fixed blog example
+  * Fixed `{req,res}.app` reference when mounting [Ben Weaver]
+
+2.0.0rc / 2011-03-14
+==================
+
+  * Fixed; expose `HTTPSServer` constructor
+  * Fixed express(1) default test charset. Closes #579 [reported by secoif]
+  * Fixed; default charset to utf-8 instead of utf8 for lame IE [reported by NickP]
+
+2.0.0beta3 / 2011-03-09
+==================
+
+  * Added support for `res.contentType()` literal
+    The original `res.contentType('.json')`,
+    `res.contentType('application/json')`, and `res.contentType('json')`
+    will work now.
+  * Added `res.render()` status option support back
+  * Added charset option for `res.render()`
+  * Added `.charset` support (via connect 1.0.4)
+  * Added view resolution hints when in development and a lookup fails
+  * Added layout lookup support relative to the page view.
+    For example while rendering `./views/user/index.jade` if you create
+    `./views/user/layout.jade` it will be used in favour of the root layout.
+  * Fixed `res.redirect()`. RFC states absolute url [reported by unlink]
+  * Fixed; default `res.send()` string charset to utf8
+  * Removed `Partial` constructor (not currently used)
+
+2.0.0beta2 / 2011-03-07
+==================
+
+  * Added res.render() `.locals` support back to aid in migration process
+  * Fixed flash example
+
+2.0.0beta / 2011-03-03
+==================
+
+  * Added HTTPS support
+  * Added `res.cookie()` maxAge support
+  * Added `req.header()` _Referrer_ / _Referer_ special-case, either works
+  * Added mount support for `res.redirect()`, now respects the mount-point
+  * Added `union()` util, taking place of `merge(clone())` combo
+  * Added stylus support to express(1) generated app
+  * Added secret to session middleware used in examples and generated app
+  * Added `res.local(name, val)` for progressive view locals
+  * Added default param support to `req.param(name, default)`
+  * Added `app.disabled()` and `app.enabled()`
+  * Added `app.register()` support for omitting leading ".", either works
+  * Added `res.partial()`, using the same interface as `partial()` within a view. Closes #539
+  * Added `app.param()` to map route params to async/sync logic
+  * Added; aliased `app.helpers()` as `app.locals()`. Closes #481
+  * Added extname with no leading "." support to `res.contentType()`
+  * Added `cache views` setting, defaulting to enabled in "production" env
+  * Added index file partial resolution, eg: partial('user') may try _views/user/index.jade_.
+  * Added `req.accepts()` support for extensions
+  * Changed; `res.download()` and `res.sendfile()` now utilize Connect's
+    static file server `connect.static.send()`.
+  * Changed; replaced `connect.utils.mime()` with npm _mime_ module
+  * Changed; allow `req.query` to be pre-defined (via middleware or other parent
+  * Changed view partial resolution, now relative to parent view
+  * Changed view engine signature. no longer `engine.render(str, options, callback)`, now `engine.compile(str, options) -> Function`, the returned function accepts `fn(locals)`.
+  * Fixed `req.param()` bug returning Array.prototype methods. Closes #552
+  * Fixed; using `Stream#pipe()` instead of `sys.pump()` in `res.sendfile()`
+  * Fixed; using _qs_ module instead of _querystring_
+  * Fixed; strip unsafe chars from jsonp callbacks
+  * Removed "stream threshold" setting
+
+1.0.8 / 2011-03-01
+==================
+
+  * Allow `req.query` to be pre-defined (via middleware or other parent app)
+  * "connect": ">= 0.5.0 < 1.0.0". Closes #547
+  * Removed the long deprecated __EXPRESS_ENV__ support
+
+1.0.7 / 2011-02-07
+==================
+
+  * Fixed `render()` setting inheritance.
+    Mounted apps would not inherit "view engine"
+
+1.0.6 / 2011-02-07
+==================
+
+  * Fixed `view engine` setting bug when period is in dirname
+
+1.0.5 / 2011-02-05
+==================
+
+  * Added secret to generated app `session()` call
+
+1.0.4 / 2011-02-05
+==================
+
+  * Added `qs` dependency to _package.json_
+  * Fixed namespaced `require()`s for latest connect support
+
+1.0.3 / 2011-01-13
+==================
+
+  * Remove unsafe characters from JSONP callback names [Ryan Grove]
+
+1.0.2 / 2011-01-10
+==================
+
+  * Removed nested require, using `connect.router`
+
+1.0.1 / 2010-12-29
+==================
+
+  * Fixed for middleware stacked via `createServer()`
+    previously the `foo` middleware passed to `createServer(foo)`
+    would not have access to Express methods such as `res.send()`
+    or props like `req.query` etc.
+
+1.0.0 / 2010-11-16
+==================
+
+  * Added; deduce partial object names from the last segment.
+    For example by default `partial('forum/post', postObject)` will
+    give you the _post_ object, providing a meaningful default.
+  * Added http status code string representation to `res.redirect()` body
+  * Added; `res.redirect()` supporting _text/plain_ and _text/html_ via __Accept__.
+  * Added `req.is()` to aid in content negotiation
+  * Added partial local inheritance [suggested by masylum]. Closes #102
+    providing access to parent template locals.
+  * Added _-s, --session[s]_ flag to express(1) to add session related middleware
+  * Added _--template_ flag to express(1) to specify the
+    template engine to use.
+  * Added _--css_ flag to express(1) to specify the
+    stylesheet engine to use (or just plain css by default).
+  * Added `app.all()` support [thanks aheckmann]
+  * Added partial direct object support.
+    You may now `partial('user', user)` providing the "user" local,
+    vs previously `partial('user', { object: user })`.
+  * Added _route-separation_ example since many people question ways
+    to do this with CommonJS modules. Also view the _blog_ example for
+    an alternative.
+  * Performance; caching view path derived partial object names
+  * Fixed partial local inheritance precedence. [reported by Nick Poulden] Closes #454
+  * Fixed jsonp support; _text/javascript_ as per mailinglist discussion
+
+1.0.0rc4 / 2010-10-14
+==================
+
+  * Added _NODE_ENV_ support, _EXPRESS_ENV_ is deprecated and will be removed in 1.0.0
+  * Added route-middleware support (very helpful, see the [docs](http://expressjs.com/guide.html#Route-Middleware))
+  * Added _jsonp callback_ setting to enable/disable jsonp autowrapping [Dav Glass]
+  * Added callback query check on response.send to autowrap JSON objects for simple webservice implementations [Dav Glass]
+  * Added `partial()` support for array-like collections. Closes #434
+  * Added support for swappable querystring parsers
+  * Added session usage docs. Closes #443
+  * Added dynamic helper caching. Closes #439 [suggested by maritz]
+  * Added authentication example
+  * Added basic Range support to `res.sendfile()` (and `res.download()` etc)
+  * Changed; `express(1)` generated app using 2 spaces instead of 4
+  * Default env to "development" again [aheckmann]
+  * Removed _context_ option is no more, use "scope"
+  * Fixed; exposing _./support_ libs to examples so they can run without installs
+  * Fixed mvc example
+
+1.0.0rc3 / 2010-09-20
+==================
+
+  * Added confirmation for `express(1)` app generation. Closes #391
+  * Added extending of flash formatters via `app.flashFormatters`
+  * Added flash formatter support. Closes #411
+  * Added streaming support to `res.sendfile()` using `sys.pump()` when >= "stream threshold"
+  * Added _stream threshold_ setting for `res.sendfile()`
+  * Added `res.send()` __HEAD__ support
+  * Added `res.clearCookie()`
+  * Added `res.cookie()`
+  * Added `res.render()` headers option
+  * Added `res.redirect()` response bodies
+  * Added `res.render()` status option support. Closes #425 [thanks aheckmann]
+  * Fixed `res.sendfile()` responding with 403 on malicious path
+  * Fixed `res.download()` bug; when an error occurs remove _Content-Disposition_
+  * Fixed; mounted apps settings now inherit from parent app [aheckmann]
+  * Fixed; stripping Content-Length / Content-Type when 204
+  * Fixed `res.send()` 204. Closes #419
+  * Fixed multiple _Set-Cookie_ headers via `res.header()`. Closes #402
+  * Fixed bug messing with error handlers when `listenFD()` is called instead of `listen()`. [thanks guillermo]
+
+
+1.0.0rc2 / 2010-08-17
+==================
+
+  * Added `app.register()` for template engine mapping. Closes #390
+  * Added `res.render()` callback support as second argument (no options)
+  * Added callback support to `res.download()`
+  * Added callback support for `res.sendfile()`
+  * Added support for middleware access via `express.middlewareName()` vs `connect.middlewareName()`
+  * Added "partials" setting to docs
+  * Added default expresso tests to `express(1)` generated app. Closes #384
+  * Fixed `res.sendfile()` error handling, defer via `next()`
+  * Fixed `res.render()` callback when a layout is used [thanks guillermo]
+  * Fixed; `make install` creating ~/.node_libraries when not present
+  * Fixed issue preventing error handlers from being defined anywhere. Closes #387
+
+1.0.0rc / 2010-07-28
+==================
+
+  * Added mounted hook. Closes #369
+  * Added connect dependency to _package.json_
+
+  * Removed "reload views" setting and support code
+    development env never caches, production always caches.
+
+  * Removed _param_ in route callbacks, signature is now
+    simply (req, res, next), previously (req, res, params, next).
+    Use _req.params_ for path captures, _req.query_ for GET params.
+
+  * Fixed "home" setting
+  * Fixed middleware/router precedence issue. Closes #366
+  * Fixed; _configure()_ callbacks called immediately. Closes #368
+
+1.0.0beta2 / 2010-07-23
+==================
+
+  * Added more examples
+  * Added; exporting `Server` constructor
+  * Added `Server#helpers()` for view locals
+  * Added `Server#dynamicHelpers()` for dynamic view locals. Closes #349
+  * Added support for absolute view paths
+  * Added; _home_ setting defaults to `Server#route` for mounted apps. Closes #363
+  * Added Guillermo Rauch to the contributor list
+  * Added support for "as" for non-collection partials. Closes #341
+  * Fixed _install.sh_, ensuring _~/.node_libraries_ exists. Closes #362 [thanks jf]
+  * Fixed `res.render()` exceptions, now passed to `next()` when no callback is given [thanks guillermo]
+  * Fixed instanceof `Array` checks, now `Array.isArray()`
+  * Fixed express(1) expansion of public dirs. Closes #348
+  * Fixed middleware precedence. Closes #345
+  * Fixed view watcher, now async [thanks aheckmann]
+
+1.0.0beta / 2010-07-15
+==================
+
+  * Re-write
+    - much faster
+    - much lighter
+    - Check [ExpressJS.com](http://expressjs.com) for migration guide and updated docs
+
+0.14.0 / 2010-06-15
+==================
+
+  * Utilize relative requires
+  * Added Static bufferSize option [aheckmann]
+  * Fixed caching of view and partial subdirectories [aheckmann]
+  * Fixed mime.type() comments now that ".ext" is not supported
+  * Updated haml submodule
+  * Updated class submodule
+  * Removed bin/express
+
+0.13.0 / 2010-06-01
+==================
+
+  * Added node v0.1.97 compatibility
+  * Added support for deleting cookies via Request#cookie('key', null)
+  * Updated haml submodule
+  * Fixed not-found page, now using using charset utf-8
+  * Fixed show-exceptions page, now using using charset utf-8
+  * Fixed view support due to fs.readFile Buffers
+  * Changed; mime.type() no longer accepts ".type" due to node extname() changes
+
+0.12.0 / 2010-05-22
+==================
+
+  * Added node v0.1.96 compatibility
+  * Added view `helpers` export which act as additional local variables
+  * Updated haml submodule
+  * Changed ETag; removed inode, modified time only
+  * Fixed LF to CRLF for setting multiple cookies
+  * Fixed cookie compilation; values are now urlencoded
+  * Fixed cookies parsing; accepts quoted values and url escaped cookies
+
+0.11.0 / 2010-05-06
+==================
+
+  * Added support for layouts using different engines
+    - this.render('page.html.haml', { layout: 'super-cool-layout.html.ejs' })
+    - this.render('page.html.haml', { layout: 'foo' }) // assumes 'foo.html.haml'
+    - this.render('page.html.haml', { layout: false }) // no layout
+  * Updated ext submodule
+  * Updated haml submodule
+  * Fixed EJS partial support by passing along the context. Issue #307
+
+0.10.1 / 2010-05-03
+==================
+
+  * Fixed binary uploads.
+
+0.10.0 / 2010-04-30
+==================
+
+  * Added charset support via Request#charset (automatically assigned to 'UTF-8' when respond()'s
+    encoding is set to 'utf8' or 'utf-8'.
+  * Added "encoding" option to Request#render(). Closes #299
+  * Added "dump exceptions" setting, which is enabled by default.
+  * Added simple ejs template engine support
+  * Added error response support for text/plain, application/json. Closes #297
+  * Added callback function param to Request#error()
+  * Added Request#sendHead()
+  * Added Request#stream()
+  * Added support for Request#respond(304, null) for empty response bodies
+  * Added ETag support to Request#sendfile()
+  * Added options to Request#sendfile(), passed to fs.createReadStream()
+  * Added filename arg to Request#download()
+  * Performance enhanced due to pre-reversing plugins so that plugins.reverse() is not called on each request
+  * Performance enhanced by preventing several calls to toLowerCase() in Router#match()
+  * Changed; Request#sendfile() now streams
+  * Changed; Renamed Request#halt() to Request#respond(). Closes #289
+  * Changed; Using sys.inspect() instead of JSON.encode() for error output
+  * Changed; run() returns the http.Server instance. Closes #298
+  * Changed; Defaulting Server#host to null (INADDR_ANY)
+  * Changed; Logger "common" format scale of 0.4f
+  * Removed Logger "request" format
+  * Fixed; Catching ENOENT in view caching, preventing error when "views/partials" is not found
+  * Fixed several issues with http client
+  * Fixed Logger Content-Length output
+  * Fixed bug preventing Opera from retaining the generated session id. Closes #292
+
+0.9.0 / 2010-04-14
+==================
+
+  * Added DSL level error() route support
+  * Added DSL level notFound() route support
+  * Added Request#error()
+  * Added Request#notFound()
+  * Added Request#render() callback function. Closes #258
+  * Added "max upload size" setting
+  * Added "magic" variables to collection partials (\_\_index\_\_, \_\_length\_\_, \_\_isFirst\_\_, \_\_isLast\_\_). Closes #254
+  * Added [haml.js](http://github.com/visionmedia/haml.js) submodule; removed haml-js
+  * Added callback function support to Request#halt() as 3rd/4th arg
+  * Added preprocessing of route param wildcards using param(). Closes #251
+  * Added view partial support (with collections etc)
+  * Fixed bug preventing falsey params (such as ?page=0). Closes #286
+  * Fixed setting of multiple cookies. Closes #199
+  * Changed; view naming convention is now NAME.TYPE.ENGINE (for example page.html.haml)
+  * Changed; session cookie is now httpOnly
+  * Changed; Request is no longer global
+  * Changed; Event is no longer global
+  * Changed; "sys" module is no longer global
+  * Changed; moved Request#download to Static plugin where it belongs
+  * Changed; Request instance created before body parsing. Closes #262
+  * Changed; Pre-caching views in memory when "cache view contents" is enabled. Closes #253
+  * Changed; Pre-caching view partials in memory when "cache view partials" is enabled
+  * Updated support to node --version 0.1.90
+  * Updated dependencies
+  * Removed set("session cookie") in favour of use(Session, { cookie: { ... }})
+  * Removed utils.mixin(); use Object#mergeDeep()
+
+0.8.0 / 2010-03-19
+==================
+
+  * Added coffeescript example app. Closes #242
+  * Changed; cache api now async friendly. Closes #240
+  * Removed deprecated 'express/static' support. Use 'express/plugins/static'
+
+0.7.6 / 2010-03-19
+==================
+
+  * Added Request#isXHR. Closes #229
+  * Added `make install` (for the executable)
+  * Added `express` executable for setting up simple app templates
+  * Added "GET /public/*" to Static plugin, defaulting to <root>/public
+  * Added Static plugin
+  * Fixed; Request#render() only calls cache.get() once
+  * Fixed; Namespacing View caches with "view:"
+  * Fixed; Namespacing Static caches with "static:"
+  * Fixed; Both example apps now use the Static plugin
+  * Fixed set("views"). Closes #239
+  * Fixed missing space for combined log format
+  * Deprecated Request#sendfile() and 'express/static'
+  * Removed Server#running
+
+0.7.5 / 2010-03-16
+==================
+
+  * Added Request#flash() support without args, now returns all flashes
+  * Updated ext submodule
+
+0.7.4 / 2010-03-16
+==================
+
+  * Fixed session reaper
+  * Changed; class.js replacing js-oo Class implementation (quite a bit faster, no browser cruft)
+
+0.7.3 / 2010-03-16
+==================
+
+  * Added package.json
+  * Fixed requiring of haml / sass due to kiwi removal
+
+0.7.2 / 2010-03-16
+==================
+
+  * Fixed GIT submodules (HAH!)
+
+0.7.1 / 2010-03-16
+==================
+
+  * Changed; Express now using submodules again until a PM is adopted
+  * Changed; chat example using millisecond conversions from ext
+
+0.7.0 / 2010-03-15
+==================
+
+  * Added Request#pass() support (finds the next matching route, or the given path)
+  * Added Logger plugin (default "common" format replaces CommonLogger)
+  * Removed Profiler plugin
+  * Removed CommonLogger plugin
+
+0.6.0 / 2010-03-11
+==================
+
+  * Added seed.yml for kiwi package management support
+  * Added HTTP client query string support when method is GET. Closes #205
+
+  * Added support for arbitrary view engines.
+    For example "foo.engine.html" will now require('engine'),
+    the exports from this module are cached after the first require().
+
+  * Added async plugin support
+
+  * Removed usage of RESTful route funcs as http client
+    get() etc, use http.get() and friends
+
+  * Removed custom exceptions
+
+0.5.0 / 2010-03-10
+==================
+
+  * Added ext dependency (library of js extensions)
+  * Removed extname() / basename() utils. Use path module
+  * Removed toArray() util. Use arguments.values
+  * Removed escapeRegexp() util. Use RegExp.escape()
+  * Removed process.mixin() dependency. Use utils.mixin()
+  * Removed Collection
+  * Removed ElementCollection
+  * Shameless self promotion of ebook "Advanced JavaScript" (http://dev-mag.com)  ;)
+
+0.4.0 / 2010-02-11
+==================
+
+  * Added flash() example to sample upload app
+  * Added high level restful http client module (express/http)
+  * Changed; RESTful route functions double as HTTP clients. Closes #69
+  * Changed; throwing error when routes are added at runtime
+  * Changed; defaulting render() context to the current Request. Closes #197
+  * Updated haml submodule
+
+0.3.0 / 2010-02-11
+==================
+
+  * Updated haml / sass submodules. Closes #200
+  * Added flash message support. Closes #64
+  * Added accepts() now allows multiple args. fixes #117
+  * Added support for plugins to halt. Closes #189
+  * Added alternate layout support. Closes #119
+  * Removed Route#run(). Closes #188
+  * Fixed broken specs due to use(Cookie) missing
+
+0.2.1 / 2010-02-05
+==================
+
+  * Added "plot" format option for Profiler (for gnuplot processing)
+  * Added request number to Profiler plugin
+  * Fixed binary encoding for multipart file uploads, was previously defaulting to UTF8
+  * Fixed issue with routes not firing when not files are present. Closes #184
+  * Fixed process.Promise -> events.Promise
+
+0.2.0 / 2010-02-03
+==================
+
+  * Added parseParam() support for name[] etc. (allows for file inputs with "multiple" attr) Closes #180
+  * Added Both Cache and Session option "reapInterval" may be "reapEvery". Closes #174
+  * Added expiration support to cache api with reaper. Closes #133
+  * Added cache Store.Memory#reap()
+  * Added Cache; cache api now uses first class Cache instances
+  * Added abstract session Store. Closes #172
+  * Changed; cache Memory.Store#get() utilizing Collection
+  * Renamed MemoryStore -> Store.Memory
+  * Fixed use() of the same plugin several time will always use latest options. Closes #176
+
+0.1.0 / 2010-02-03
+==================
+
+  * Changed; Hooks (before / after) pass request as arg as well as evaluated in their context
+  * Updated node support to 0.1.27 Closes #169
+  * Updated dirname(__filename) -> __dirname
+  * Updated libxmljs support to v0.2.0
+  * Added session support with memory store / reaping
+  * Added quick uid() helper
+  * Added multi-part upload support
+  * Added Sass.js support / submodule
+  * Added production env caching view contents and static files
+  * Added static file caching. Closes #136
+  * Added cache plugin with memory stores
+  * Added support to StaticFile so that it works with non-textual files.
+  * Removed dirname() helper
+  * Removed several globals (now their modules must be required)
+
+0.0.2 / 2010-01-10
+==================
+
+  * Added view benchmarks; currently haml vs ejs
+  * Added Request#attachment() specs. Closes #116
+  * Added use of node's parseQuery() util. Closes #123
+  * Added `make init` for submodules
+  * Updated Haml
+  * Updated sample chat app to show messages on load
+  * Updated libxmljs parseString -> parseHtmlString
+  * Fixed `make init` to work with older versions of git
+  * Fixed specs can now run independent specs for those who can't build deps. Closes #127
+  * Fixed issues introduced by the node url module changes. Closes 126.
+  * Fixed two assertions failing due to Collection#keys() returning strings
+  * Fixed faulty Collection#toArray() spec due to keys() returning strings
+  * Fixed `make test` now builds libxmljs.node before testing
+
+0.0.1 / 2010-01-03
+==================
+
+  * Initial release
diff --git a/node_modules/express/LICENSE b/node_modules/express/LICENSE
new file mode 100644
index 000000000..aa927e44e
--- /dev/null
+++ b/node_modules/express/LICENSE
@@ -0,0 +1,24 @@
+(The MIT License)
+
+Copyright (c) 2009-2014 TJ Holowaychuk <tj@vision-media.ca>
+Copyright (c) 2013-2014 Roman Shtylman <shtylman+expressjs@gmail.com>
+Copyright (c) 2014-2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/express/Readme.md b/node_modules/express/Readme.md
new file mode 100644
index 000000000..720bf3892
--- /dev/null
+++ b/node_modules/express/Readme.md
@@ -0,0 +1,166 @@
+[![Express Logo](https://i.cloudup.com/zfY6lL7eFa-3000x3000.png)](http://expressjs.com/)
+
+  Fast, unopinionated, minimalist web framework for [node](http://nodejs.org).
+
+  [![NPM Version][npm-version-image]][npm-url]
+  [![NPM Install Size][npm-install-size-image]][npm-install-size-url]
+  [![NPM Downloads][npm-downloads-image]][npm-downloads-url]
+
+```js
+const express = require('express')
+const app = express()
+
+app.get('/', function (req, res) {
+  res.send('Hello World')
+})
+
+app.listen(3000)
+```
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/).
+
+Before installing, [download and install Node.js](https://nodejs.org/en/download/).
+Node.js 0.10 or higher is required.
+
+If this is a brand new project, make sure to create a `package.json` first with
+the [`npm init` command](https://docs.npmjs.com/creating-a-package-json-file).
+
+Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```console
+$ npm install express
+```
+
+Follow [our installing guide](http://expressjs.com/en/starter/installing.html)
+for more information.
+
+## Features
+
+  * Robust routing
+  * Focus on high performance
+  * Super-high test coverage
+  * HTTP helpers (redirection, caching, etc)
+  * View system supporting 14+ template engines
+  * Content negotiation
+  * Executable for generating applications quickly
+
+## Docs & Community
+
+  * [Website and Documentation](http://expressjs.com/) - [[website repo](https://github.com/expressjs/expressjs.com)]
+  * [#express](https://webchat.freenode.net/?channels=express) on freenode IRC
+  * [GitHub Organization](https://github.com/expressjs) for Official Middleware & Modules
+  * Visit the [Wiki](https://github.com/expressjs/express/wiki)
+  * [Google Group](https://groups.google.com/group/express-js) for discussion
+  * [Gitter](https://gitter.im/expressjs/express) for support and discussion
+
+**PROTIP** Be sure to read [Migrating from 3.x to 4.x](https://github.com/expressjs/express/wiki/Migrating-from-3.x-to-4.x) as well as [New features in 4.x](https://github.com/expressjs/express/wiki/New-features-in-4.x).
+
+## Quick Start
+
+  The quickest way to get started with express is to utilize the executable [`express(1)`](https://github.com/expressjs/generator) to generate an application as shown below:
+
+  Install the executable. The executable's major version will match Express's:
+
+```console
+$ npm install -g express-generator@4
+```
+
+  Create the app:
+
+```console
+$ express /tmp/foo && cd /tmp/foo
+```
+
+  Install dependencies:
+
+```console
+$ npm install
+```
+
+  Start the server:
+
+```console
+$ npm start
+```
+
+  View the website at: http://localhost:3000
+
+## Philosophy
+
+  The Express philosophy is to provide small, robust tooling for HTTP servers, making
+  it a great solution for single page applications, websites, hybrids, or public
+  HTTP APIs.
+
+  Express does not force you to use any specific ORM or template engine. With support for over
+  14 template engines via [Consolidate.js](https://github.com/tj/consolidate.js),
+  you can quickly craft your perfect framework.
+
+## Examples
+
+  To view the examples, clone the Express repo and install the dependencies:
+
+```console
+$ git clone git://github.com/expressjs/express.git --depth 1
+$ cd express
+$ npm install
+```
+
+  Then run whichever example you want:
+
+```console
+$ node examples/content-negotiation
+```
+
+## Contributing
+
+  [![Linux Build][github-actions-ci-image]][github-actions-ci-url]
+  [![Windows Build][appveyor-image]][appveyor-url]
+  [![Test Coverage][coveralls-image]][coveralls-url]
+
+The Express.js project welcomes all constructive contributions. Contributions take many forms,
+from code for bug fixes and enhancements, to additions and fixes to documentation, additional
+tests, triaging incoming pull requests and issues, and more!
+
+See the [Contributing Guide](Contributing.md) for more technical details on contributing.
+
+### Security Issues
+
+If you discover a security vulnerability in Express, please see [Security Policies and Procedures](Security.md).
+
+### Running Tests
+
+To run the test suite, first install the dependencies, then run `npm test`:
+
+```console
+$ npm install
+$ npm test
+```
+
+## People
+
+The original author of Express is [TJ Holowaychuk](https://github.com/tj)
+
+The current lead maintainer is [Douglas Christopher Wilson](https://github.com/dougwilson)
+
+[List of all contributors](https://github.com/expressjs/express/graphs/contributors)
+
+## License
+
+  [MIT](LICENSE)
+
+[appveyor-image]: https://badgen.net/appveyor/ci/dougwilson/express/master?label=windows
+[appveyor-url]: https://ci.appveyor.com/project/dougwilson/express
+[coveralls-image]: https://badgen.net/coveralls/c/github/expressjs/express/master
+[coveralls-url]: https://coveralls.io/r/expressjs/express?branch=master
+[github-actions-ci-image]: https://badgen.net/github/checks/expressjs/express/master?label=linux
+[github-actions-ci-url]: https://github.com/expressjs/express/actions/workflows/ci.yml
+[npm-downloads-image]: https://badgen.net/npm/dm/express
+[npm-downloads-url]: https://npmcharts.com/compare/express?minimal=true
+[npm-install-size-image]: https://badgen.net/packagephobia/install/express
+[npm-install-size-url]: https://packagephobia.com/result?p=express
+[npm-url]: https://npmjs.org/package/express
+[npm-version-image]: https://badgen.net/npm/v/express
diff --git a/node_modules/express/index.js b/node_modules/express/index.js
new file mode 100644
index 000000000..d219b0c87
--- /dev/null
+++ b/node_modules/express/index.js
@@ -0,0 +1,11 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2013 Roman Shtylman
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+module.exports = require('./lib/express');
diff --git a/node_modules/express/lib/application.js b/node_modules/express/lib/application.js
new file mode 100644
index 000000000..ebb30b51b
--- /dev/null
+++ b/node_modules/express/lib/application.js
@@ -0,0 +1,661 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2013 Roman Shtylman
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var finalhandler = require('finalhandler');
+var Router = require('./router');
+var methods = require('methods');
+var middleware = require('./middleware/init');
+var query = require('./middleware/query');
+var debug = require('debug')('express:application');
+var View = require('./view');
+var http = require('http');
+var compileETag = require('./utils').compileETag;
+var compileQueryParser = require('./utils').compileQueryParser;
+var compileTrust = require('./utils').compileTrust;
+var deprecate = require('depd')('express');
+var flatten = require('array-flatten');
+var merge = require('utils-merge');
+var resolve = require('path').resolve;
+var setPrototypeOf = require('setprototypeof')
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var hasOwnProperty = Object.prototype.hasOwnProperty
+var slice = Array.prototype.slice;
+
+/**
+ * Application prototype.
+ */
+
+var app = exports = module.exports = {};
+
+/**
+ * Variable for trust proxy inheritance back-compat
+ * @private
+ */
+
+var trustProxyDefaultSymbol = '@@symbol:trust_proxy_default';
+
+/**
+ * Initialize the server.
+ *
+ *   - setup default configuration
+ *   - setup default middleware
+ *   - setup route reflection methods
+ *
+ * @private
+ */
+
+app.init = function init() {
+  this.cache = {};
+  this.engines = {};
+  this.settings = {};
+
+  this.defaultConfiguration();
+};
+
+/**
+ * Initialize application configuration.
+ * @private
+ */
+
+app.defaultConfiguration = function defaultConfiguration() {
+  var env = process.env.NODE_ENV || 'development';
+
+  // default settings
+  this.enable('x-powered-by');
+  this.set('etag', 'weak');
+  this.set('env', env);
+  this.set('query parser', 'extended');
+  this.set('subdomain offset', 2);
+  this.set('trust proxy', false);
+
+  // trust proxy inherit back-compat
+  Object.defineProperty(this.settings, trustProxyDefaultSymbol, {
+    configurable: true,
+    value: true
+  });
+
+  debug('booting in %s mode', env);
+
+  this.on('mount', function onmount(parent) {
+    // inherit trust proxy
+    if (this.settings[trustProxyDefaultSymbol] === true
+      && typeof parent.settings['trust proxy fn'] === 'function') {
+      delete this.settings['trust proxy'];
+      delete this.settings['trust proxy fn'];
+    }
+
+    // inherit protos
+    setPrototypeOf(this.request, parent.request)
+    setPrototypeOf(this.response, parent.response)
+    setPrototypeOf(this.engines, parent.engines)
+    setPrototypeOf(this.settings, parent.settings)
+  });
+
+  // setup locals
+  this.locals = Object.create(null);
+
+  // top-most app is mounted at /
+  this.mountpath = '/';
+
+  // default locals
+  this.locals.settings = this.settings;
+
+  // default configuration
+  this.set('view', View);
+  this.set('views', resolve('views'));
+  this.set('jsonp callback name', 'callback');
+
+  if (env === 'production') {
+    this.enable('view cache');
+  }
+
+  Object.defineProperty(this, 'router', {
+    get: function() {
+      throw new Error('\'app.router\' is deprecated!\nPlease see the 3.x to 4.x migration guide for details on how to update your app.');
+    }
+  });
+};
+
+/**
+ * lazily adds the base router if it has not yet been added.
+ *
+ * We cannot add the base router in the defaultConfiguration because
+ * it reads app settings which might be set after that has run.
+ *
+ * @private
+ */
+app.lazyrouter = function lazyrouter() {
+  if (!this._router) {
+    this._router = new Router({
+      caseSensitive: this.enabled('case sensitive routing'),
+      strict: this.enabled('strict routing')
+    });
+
+    this._router.use(query(this.get('query parser fn')));
+    this._router.use(middleware.init(this));
+  }
+};
+
+/**
+ * Dispatch a req, res pair into the application. Starts pipeline processing.
+ *
+ * If no callback is provided, then default error handlers will respond
+ * in the event of an error bubbling through the stack.
+ *
+ * @private
+ */
+
+app.handle = function handle(req, res, callback) {
+  var router = this._router;
+
+  // final handler
+  var done = callback || finalhandler(req, res, {
+    env: this.get('env'),
+    onerror: logerror.bind(this)
+  });
+
+  // no routes
+  if (!router) {
+    debug('no routes defined on app');
+    done();
+    return;
+  }
+
+  router.handle(req, res, done);
+};
+
+/**
+ * Proxy `Router#use()` to add middleware to the app router.
+ * See Router#use() documentation for details.
+ *
+ * If the _fn_ parameter is an express app, then it will be
+ * mounted at the _route_ specified.
+ *
+ * @public
+ */
+
+app.use = function use(fn) {
+  var offset = 0;
+  var path = '/';
+
+  // default path to '/'
+  // disambiguate app.use([fn])
+  if (typeof fn !== 'function') {
+    var arg = fn;
+
+    while (Array.isArray(arg) && arg.length !== 0) {
+      arg = arg[0];
+    }
+
+    // first arg is the path
+    if (typeof arg !== 'function') {
+      offset = 1;
+      path = fn;
+    }
+  }
+
+  var fns = flatten(slice.call(arguments, offset));
+
+  if (fns.length === 0) {
+    throw new TypeError('app.use() requires a middleware function')
+  }
+
+  // setup router
+  this.lazyrouter();
+  var router = this._router;
+
+  fns.forEach(function (fn) {
+    // non-express app
+    if (!fn || !fn.handle || !fn.set) {
+      return router.use(path, fn);
+    }
+
+    debug('.use app under %s', path);
+    fn.mountpath = path;
+    fn.parent = this;
+
+    // restore .app property on req and res
+    router.use(path, function mounted_app(req, res, next) {
+      var orig = req.app;
+      fn.handle(req, res, function (err) {
+        setPrototypeOf(req, orig.request)
+        setPrototypeOf(res, orig.response)
+        next(err);
+      });
+    });
+
+    // mounted an app
+    fn.emit('mount', this);
+  }, this);
+
+  return this;
+};
+
+/**
+ * Proxy to the app `Router#route()`
+ * Returns a new `Route` instance for the _path_.
+ *
+ * Routes are isolated middleware stacks for specific paths.
+ * See the Route api docs for details.
+ *
+ * @public
+ */
+
+app.route = function route(path) {
+  this.lazyrouter();
+  return this._router.route(path);
+};
+
+/**
+ * Register the given template engine callback `fn`
+ * as `ext`.
+ *
+ * By default will `require()` the engine based on the
+ * file extension. For example if you try to render
+ * a "foo.ejs" file Express will invoke the following internally:
+ *
+ *     app.engine('ejs', require('ejs').__express);
+ *
+ * For engines that do not provide `.__express` out of the box,
+ * or if you wish to "map" a different extension to the template engine
+ * you may use this method. For example mapping the EJS template engine to
+ * ".html" files:
+ *
+ *     app.engine('html', require('ejs').renderFile);
+ *
+ * In this case EJS provides a `.renderFile()` method with
+ * the same signature that Express expects: `(path, options, callback)`,
+ * though note that it aliases this method as `ejs.__express` internally
+ * so if you're using ".ejs" extensions you don't need to do anything.
+ *
+ * Some template engines do not follow this convention, the
+ * [Consolidate.js](https://github.com/tj/consolidate.js)
+ * library was created to map all of node's popular template
+ * engines to follow this convention, thus allowing them to
+ * work seamlessly within Express.
+ *
+ * @param {String} ext
+ * @param {Function} fn
+ * @return {app} for chaining
+ * @public
+ */
+
+app.engine = function engine(ext, fn) {
+  if (typeof fn !== 'function') {
+    throw new Error('callback function required');
+  }
+
+  // get file extension
+  var extension = ext[0] !== '.'
+    ? '.' + ext
+    : ext;
+
+  // store engine
+  this.engines[extension] = fn;
+
+  return this;
+};
+
+/**
+ * Proxy to `Router#param()` with one added api feature. The _name_ parameter
+ * can be an array of names.
+ *
+ * See the Router#param() docs for more details.
+ *
+ * @param {String|Array} name
+ * @param {Function} fn
+ * @return {app} for chaining
+ * @public
+ */
+
+app.param = function param(name, fn) {
+  this.lazyrouter();
+
+  if (Array.isArray(name)) {
+    for (var i = 0; i < name.length; i++) {
+      this.param(name[i], fn);
+    }
+
+    return this;
+  }
+
+  this._router.param(name, fn);
+
+  return this;
+};
+
+/**
+ * Assign `setting` to `val`, or return `setting`'s value.
+ *
+ *    app.set('foo', 'bar');
+ *    app.set('foo');
+ *    // => "bar"
+ *
+ * Mounted servers inherit their parent server's settings.
+ *
+ * @param {String} setting
+ * @param {*} [val]
+ * @return {Server} for chaining
+ * @public
+ */
+
+app.set = function set(setting, val) {
+  if (arguments.length === 1) {
+    // app.get(setting)
+    var settings = this.settings
+
+    while (settings && settings !== Object.prototype) {
+      if (hasOwnProperty.call(settings, setting)) {
+        return settings[setting]
+      }
+
+      settings = Object.getPrototypeOf(settings)
+    }
+
+    return undefined
+  }
+
+  debug('set "%s" to %o', setting, val);
+
+  // set value
+  this.settings[setting] = val;
+
+  // trigger matched settings
+  switch (setting) {
+    case 'etag':
+      this.set('etag fn', compileETag(val));
+      break;
+    case 'query parser':
+      this.set('query parser fn', compileQueryParser(val));
+      break;
+    case 'trust proxy':
+      this.set('trust proxy fn', compileTrust(val));
+
+      // trust proxy inherit back-compat
+      Object.defineProperty(this.settings, trustProxyDefaultSymbol, {
+        configurable: true,
+        value: false
+      });
+
+      break;
+  }
+
+  return this;
+};
+
+/**
+ * Return the app's absolute pathname
+ * based on the parent(s) that have
+ * mounted it.
+ *
+ * For example if the application was
+ * mounted as "/admin", which itself
+ * was mounted as "/blog" then the
+ * return value would be "/blog/admin".
+ *
+ * @return {String}
+ * @private
+ */
+
+app.path = function path() {
+  return this.parent
+    ? this.parent.path() + this.mountpath
+    : '';
+};
+
+/**
+ * Check if `setting` is enabled (truthy).
+ *
+ *    app.enabled('foo')
+ *    // => false
+ *
+ *    app.enable('foo')
+ *    app.enabled('foo')
+ *    // => true
+ *
+ * @param {String} setting
+ * @return {Boolean}
+ * @public
+ */
+
+app.enabled = function enabled(setting) {
+  return Boolean(this.set(setting));
+};
+
+/**
+ * Check if `setting` is disabled.
+ *
+ *    app.disabled('foo')
+ *    // => true
+ *
+ *    app.enable('foo')
+ *    app.disabled('foo')
+ *    // => false
+ *
+ * @param {String} setting
+ * @return {Boolean}
+ * @public
+ */
+
+app.disabled = function disabled(setting) {
+  return !this.set(setting);
+};
+
+/**
+ * Enable `setting`.
+ *
+ * @param {String} setting
+ * @return {app} for chaining
+ * @public
+ */
+
+app.enable = function enable(setting) {
+  return this.set(setting, true);
+};
+
+/**
+ * Disable `setting`.
+ *
+ * @param {String} setting
+ * @return {app} for chaining
+ * @public
+ */
+
+app.disable = function disable(setting) {
+  return this.set(setting, false);
+};
+
+/**
+ * Delegate `.VERB(...)` calls to `router.VERB(...)`.
+ */
+
+methods.forEach(function(method){
+  app[method] = function(path){
+    if (method === 'get' && arguments.length === 1) {
+      // app.get(setting)
+      return this.set(path);
+    }
+
+    this.lazyrouter();
+
+    var route = this._router.route(path);
+    route[method].apply(route, slice.call(arguments, 1));
+    return this;
+  };
+});
+
+/**
+ * Special-cased "all" method, applying the given route `path`,
+ * middleware, and callback to _every_ HTTP method.
+ *
+ * @param {String} path
+ * @param {Function} ...
+ * @return {app} for chaining
+ * @public
+ */
+
+app.all = function all(path) {
+  this.lazyrouter();
+
+  var route = this._router.route(path);
+  var args = slice.call(arguments, 1);
+
+  for (var i = 0; i < methods.length; i++) {
+    route[methods[i]].apply(route, args);
+  }
+
+  return this;
+};
+
+// del -> delete alias
+
+app.del = deprecate.function(app.delete, 'app.del: Use app.delete instead');
+
+/**
+ * Render the given view `name` name with `options`
+ * and a callback accepting an error and the
+ * rendered template string.
+ *
+ * Example:
+ *
+ *    app.render('email', { name: 'Tobi' }, function(err, html){
+ *      // ...
+ *    })
+ *
+ * @param {String} name
+ * @param {Object|Function} options or fn
+ * @param {Function} callback
+ * @public
+ */
+
+app.render = function render(name, options, callback) {
+  var cache = this.cache;
+  var done = callback;
+  var engines = this.engines;
+  var opts = options;
+  var renderOptions = {};
+  var view;
+
+  // support callback function as second arg
+  if (typeof options === 'function') {
+    done = options;
+    opts = {};
+  }
+
+  // merge app.locals
+  merge(renderOptions, this.locals);
+
+  // merge options._locals
+  if (opts._locals) {
+    merge(renderOptions, opts._locals);
+  }
+
+  // merge options
+  merge(renderOptions, opts);
+
+  // set .cache unless explicitly provided
+  if (renderOptions.cache == null) {
+    renderOptions.cache = this.enabled('view cache');
+  }
+
+  // primed cache
+  if (renderOptions.cache) {
+    view = cache[name];
+  }
+
+  // view
+  if (!view) {
+    var View = this.get('view');
+
+    view = new View(name, {
+      defaultEngine: this.get('view engine'),
+      root: this.get('views'),
+      engines: engines
+    });
+
+    if (!view.path) {
+      var dirs = Array.isArray(view.root) && view.root.length > 1
+        ? 'directories "' + view.root.slice(0, -1).join('", "') + '" or "' + view.root[view.root.length - 1] + '"'
+        : 'directory "' + view.root + '"'
+      var err = new Error('Failed to lookup view "' + name + '" in views ' + dirs);
+      err.view = view;
+      return done(err);
+    }
+
+    // prime the cache
+    if (renderOptions.cache) {
+      cache[name] = view;
+    }
+  }
+
+  // render
+  tryRender(view, renderOptions, done);
+};
+
+/**
+ * Listen for connections.
+ *
+ * A node `http.Server` is returned, with this
+ * application (which is a `Function`) as its
+ * callback. If you wish to create both an HTTP
+ * and HTTPS server you may do so with the "http"
+ * and "https" modules as shown here:
+ *
+ *    var http = require('http')
+ *      , https = require('https')
+ *      , express = require('express')
+ *      , app = express();
+ *
+ *    http.createServer(app).listen(80);
+ *    https.createServer({ ... }, app).listen(443);
+ *
+ * @return {http.Server}
+ * @public
+ */
+
+app.listen = function listen() {
+  var server = http.createServer(this);
+  return server.listen.apply(server, arguments);
+};
+
+/**
+ * Log error using console.error.
+ *
+ * @param {Error} err
+ * @private
+ */
+
+function logerror(err) {
+  /* istanbul ignore next */
+  if (this.get('env') !== 'test') console.error(err.stack || err.toString());
+}
+
+/**
+ * Try rendering a view.
+ * @private
+ */
+
+function tryRender(view, options, callback) {
+  try {
+    view.render(options, callback);
+  } catch (err) {
+    callback(err);
+  }
+}
diff --git a/node_modules/express/lib/express.js b/node_modules/express/lib/express.js
new file mode 100644
index 000000000..d188a16db
--- /dev/null
+++ b/node_modules/express/lib/express.js
@@ -0,0 +1,116 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2013 Roman Shtylman
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ */
+
+var bodyParser = require('body-parser')
+var EventEmitter = require('events').EventEmitter;
+var mixin = require('merge-descriptors');
+var proto = require('./application');
+var Route = require('./router/route');
+var Router = require('./router');
+var req = require('./request');
+var res = require('./response');
+
+/**
+ * Expose `createApplication()`.
+ */
+
+exports = module.exports = createApplication;
+
+/**
+ * Create an express application.
+ *
+ * @return {Function}
+ * @api public
+ */
+
+function createApplication() {
+  var app = function(req, res, next) {
+    app.handle(req, res, next);
+  };
+
+  mixin(app, EventEmitter.prototype, false);
+  mixin(app, proto, false);
+
+  // expose the prototype that will get set on requests
+  app.request = Object.create(req, {
+    app: { configurable: true, enumerable: true, writable: true, value: app }
+  })
+
+  // expose the prototype that will get set on responses
+  app.response = Object.create(res, {
+    app: { configurable: true, enumerable: true, writable: true, value: app }
+  })
+
+  app.init();
+  return app;
+}
+
+/**
+ * Expose the prototypes.
+ */
+
+exports.application = proto;
+exports.request = req;
+exports.response = res;
+
+/**
+ * Expose constructors.
+ */
+
+exports.Route = Route;
+exports.Router = Router;
+
+/**
+ * Expose middleware
+ */
+
+exports.json = bodyParser.json
+exports.query = require('./middleware/query');
+exports.raw = bodyParser.raw
+exports.static = require('serve-static');
+exports.text = bodyParser.text
+exports.urlencoded = bodyParser.urlencoded
+
+/**
+ * Replace removed middleware with an appropriate error message.
+ */
+
+var removedMiddlewares = [
+  'bodyParser',
+  'compress',
+  'cookieSession',
+  'session',
+  'logger',
+  'cookieParser',
+  'favicon',
+  'responseTime',
+  'errorHandler',
+  'timeout',
+  'methodOverride',
+  'vhost',
+  'csrf',
+  'directory',
+  'limit',
+  'multipart',
+  'staticCache'
+]
+
+removedMiddlewares.forEach(function (name) {
+  Object.defineProperty(exports, name, {
+    get: function () {
+      throw new Error('Most middleware (like ' + name + ') is no longer bundled with Express and must be installed separately. Please see https://github.com/senchalabs/connect#middleware.');
+    },
+    configurable: true
+  });
+});
diff --git a/node_modules/express/lib/middleware/init.js b/node_modules/express/lib/middleware/init.js
new file mode 100644
index 000000000..dfd042747
--- /dev/null
+++ b/node_modules/express/lib/middleware/init.js
@@ -0,0 +1,43 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2013 Roman Shtylman
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var setPrototypeOf = require('setprototypeof')
+
+/**
+ * Initialization middleware, exposing the
+ * request and response to each other, as well
+ * as defaulting the X-Powered-By header field.
+ *
+ * @param {Function} app
+ * @return {Function}
+ * @api private
+ */
+
+exports.init = function(app){
+  return function expressInit(req, res, next){
+    if (app.enabled('x-powered-by')) res.setHeader('X-Powered-By', 'Express');
+    req.res = res;
+    res.req = req;
+    req.next = next;
+
+    setPrototypeOf(req, app.request)
+    setPrototypeOf(res, app.response)
+
+    res.locals = res.locals || Object.create(null);
+
+    next();
+  };
+};
+
diff --git a/node_modules/express/lib/middleware/query.js b/node_modules/express/lib/middleware/query.js
new file mode 100644
index 000000000..7e9166947
--- /dev/null
+++ b/node_modules/express/lib/middleware/query.js
@@ -0,0 +1,47 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2013 Roman Shtylman
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ */
+
+var merge = require('utils-merge')
+var parseUrl = require('parseurl');
+var qs = require('qs');
+
+/**
+ * @param {Object} options
+ * @return {Function}
+ * @api public
+ */
+
+module.exports = function query(options) {
+  var opts = merge({}, options)
+  var queryparse = qs.parse;
+
+  if (typeof options === 'function') {
+    queryparse = options;
+    opts = undefined;
+  }
+
+  if (opts !== undefined && opts.allowPrototypes === undefined) {
+    // back-compat for qs module
+    opts.allowPrototypes = true;
+  }
+
+  return function query(req, res, next){
+    if (!req.query) {
+      var val = parseUrl(req).query;
+      req.query = queryparse(val, opts);
+    }
+
+    next();
+  };
+};
diff --git a/node_modules/express/lib/request.js b/node_modules/express/lib/request.js
new file mode 100644
index 000000000..3f1eeca6c
--- /dev/null
+++ b/node_modules/express/lib/request.js
@@ -0,0 +1,525 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2013 Roman Shtylman
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var accepts = require('accepts');
+var deprecate = require('depd')('express');
+var isIP = require('net').isIP;
+var typeis = require('type-is');
+var http = require('http');
+var fresh = require('fresh');
+var parseRange = require('range-parser');
+var parse = require('parseurl');
+var proxyaddr = require('proxy-addr');
+
+/**
+ * Request prototype.
+ * @public
+ */
+
+var req = Object.create(http.IncomingMessage.prototype)
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = req
+
+/**
+ * Return request header.
+ *
+ * The `Referrer` header field is special-cased,
+ * both `Referrer` and `Referer` are interchangeable.
+ *
+ * Examples:
+ *
+ *     req.get('Content-Type');
+ *     // => "text/plain"
+ *
+ *     req.get('content-type');
+ *     // => "text/plain"
+ *
+ *     req.get('Something');
+ *     // => undefined
+ *
+ * Aliased as `req.header()`.
+ *
+ * @param {String} name
+ * @return {String}
+ * @public
+ */
+
+req.get =
+req.header = function header(name) {
+  if (!name) {
+    throw new TypeError('name argument is required to req.get');
+  }
+
+  if (typeof name !== 'string') {
+    throw new TypeError('name must be a string to req.get');
+  }
+
+  var lc = name.toLowerCase();
+
+  switch (lc) {
+    case 'referer':
+    case 'referrer':
+      return this.headers.referrer
+        || this.headers.referer;
+    default:
+      return this.headers[lc];
+  }
+};
+
+/**
+ * To do: update docs.
+ *
+ * Check if the given `type(s)` is acceptable, returning
+ * the best match when true, otherwise `undefined`, in which
+ * case you should respond with 406 "Not Acceptable".
+ *
+ * The `type` value may be a single MIME type string
+ * such as "application/json", an extension name
+ * such as "json", a comma-delimited list such as "json, html, text/plain",
+ * an argument list such as `"json", "html", "text/plain"`,
+ * or an array `["json", "html", "text/plain"]`. When a list
+ * or array is given, the _best_ match, if any is returned.
+ *
+ * Examples:
+ *
+ *     // Accept: text/html
+ *     req.accepts('html');
+ *     // => "html"
+ *
+ *     // Accept: text/*, application/json
+ *     req.accepts('html');
+ *     // => "html"
+ *     req.accepts('text/html');
+ *     // => "text/html"
+ *     req.accepts('json, text');
+ *     // => "json"
+ *     req.accepts('application/json');
+ *     // => "application/json"
+ *
+ *     // Accept: text/*, application/json
+ *     req.accepts('image/png');
+ *     req.accepts('png');
+ *     // => undefined
+ *
+ *     // Accept: text/*;q=.5, application/json
+ *     req.accepts(['html', 'json']);
+ *     req.accepts('html', 'json');
+ *     req.accepts('html, json');
+ *     // => "json"
+ *
+ * @param {String|Array} type(s)
+ * @return {String|Array|Boolean}
+ * @public
+ */
+
+req.accepts = function(){
+  var accept = accepts(this);
+  return accept.types.apply(accept, arguments);
+};
+
+/**
+ * Check if the given `encoding`s are accepted.
+ *
+ * @param {String} ...encoding
+ * @return {String|Array}
+ * @public
+ */
+
+req.acceptsEncodings = function(){
+  var accept = accepts(this);
+  return accept.encodings.apply(accept, arguments);
+};
+
+req.acceptsEncoding = deprecate.function(req.acceptsEncodings,
+  'req.acceptsEncoding: Use acceptsEncodings instead');
+
+/**
+ * Check if the given `charset`s are acceptable,
+ * otherwise you should respond with 406 "Not Acceptable".
+ *
+ * @param {String} ...charset
+ * @return {String|Array}
+ * @public
+ */
+
+req.acceptsCharsets = function(){
+  var accept = accepts(this);
+  return accept.charsets.apply(accept, arguments);
+};
+
+req.acceptsCharset = deprecate.function(req.acceptsCharsets,
+  'req.acceptsCharset: Use acceptsCharsets instead');
+
+/**
+ * Check if the given `lang`s are acceptable,
+ * otherwise you should respond with 406 "Not Acceptable".
+ *
+ * @param {String} ...lang
+ * @return {String|Array}
+ * @public
+ */
+
+req.acceptsLanguages = function(){
+  var accept = accepts(this);
+  return accept.languages.apply(accept, arguments);
+};
+
+req.acceptsLanguage = deprecate.function(req.acceptsLanguages,
+  'req.acceptsLanguage: Use acceptsLanguages instead');
+
+/**
+ * Parse Range header field, capping to the given `size`.
+ *
+ * Unspecified ranges such as "0-" require knowledge of your resource length. In
+ * the case of a byte range this is of course the total number of bytes. If the
+ * Range header field is not given `undefined` is returned, `-1` when unsatisfiable,
+ * and `-2` when syntactically invalid.
+ *
+ * When ranges are returned, the array has a "type" property which is the type of
+ * range that is required (most commonly, "bytes"). Each array element is an object
+ * with a "start" and "end" property for the portion of the range.
+ *
+ * The "combine" option can be set to `true` and overlapping & adjacent ranges
+ * will be combined into a single range.
+ *
+ * NOTE: remember that ranges are inclusive, so for example "Range: users=0-3"
+ * should respond with 4 users when available, not 3.
+ *
+ * @param {number} size
+ * @param {object} [options]
+ * @param {boolean} [options.combine=false]
+ * @return {number|array}
+ * @public
+ */
+
+req.range = function range(size, options) {
+  var range = this.get('Range');
+  if (!range) return;
+  return parseRange(size, range, options);
+};
+
+/**
+ * Return the value of param `name` when present or `defaultValue`.
+ *
+ *  - Checks route placeholders, ex: _/user/:id_
+ *  - Checks body params, ex: id=12, {"id":12}
+ *  - Checks query string params, ex: ?id=12
+ *
+ * To utilize request bodies, `req.body`
+ * should be an object. This can be done by using
+ * the `bodyParser()` middleware.
+ *
+ * @param {String} name
+ * @param {Mixed} [defaultValue]
+ * @return {String}
+ * @public
+ */
+
+req.param = function param(name, defaultValue) {
+  var params = this.params || {};
+  var body = this.body || {};
+  var query = this.query || {};
+
+  var args = arguments.length === 1
+    ? 'name'
+    : 'name, default';
+  deprecate('req.param(' + args + '): Use req.params, req.body, or req.query instead');
+
+  if (null != params[name] && params.hasOwnProperty(name)) return params[name];
+  if (null != body[name]) return body[name];
+  if (null != query[name]) return query[name];
+
+  return defaultValue;
+};
+
+/**
+ * Check if the incoming request contains the "Content-Type"
+ * header field, and it contains the given mime `type`.
+ *
+ * Examples:
+ *
+ *      // With Content-Type: text/html; charset=utf-8
+ *      req.is('html');
+ *      req.is('text/html');
+ *      req.is('text/*');
+ *      // => true
+ *
+ *      // When Content-Type is application/json
+ *      req.is('json');
+ *      req.is('application/json');
+ *      req.is('application/*');
+ *      // => true
+ *
+ *      req.is('html');
+ *      // => false
+ *
+ * @param {String|Array} types...
+ * @return {String|false|null}
+ * @public
+ */
+
+req.is = function is(types) {
+  var arr = types;
+
+  // support flattened arguments
+  if (!Array.isArray(types)) {
+    arr = new Array(arguments.length);
+    for (var i = 0; i < arr.length; i++) {
+      arr[i] = arguments[i];
+    }
+  }
+
+  return typeis(this, arr);
+};
+
+/**
+ * Return the protocol string "http" or "https"
+ * when requested with TLS. When the "trust proxy"
+ * setting trusts the socket address, the
+ * "X-Forwarded-Proto" header field will be trusted
+ * and used if present.
+ *
+ * If you're running behind a reverse proxy that
+ * supplies https for you this may be enabled.
+ *
+ * @return {String}
+ * @public
+ */
+
+defineGetter(req, 'protocol', function protocol(){
+  var proto = this.connection.encrypted
+    ? 'https'
+    : 'http';
+  var trust = this.app.get('trust proxy fn');
+
+  if (!trust(this.connection.remoteAddress, 0)) {
+    return proto;
+  }
+
+  // Note: X-Forwarded-Proto is normally only ever a
+  //       single value, but this is to be safe.
+  var header = this.get('X-Forwarded-Proto') || proto
+  var index = header.indexOf(',')
+
+  return index !== -1
+    ? header.substring(0, index).trim()
+    : header.trim()
+});
+
+/**
+ * Short-hand for:
+ *
+ *    req.protocol === 'https'
+ *
+ * @return {Boolean}
+ * @public
+ */
+
+defineGetter(req, 'secure', function secure(){
+  return this.protocol === 'https';
+});
+
+/**
+ * Return the remote address from the trusted proxy.
+ *
+ * The is the remote address on the socket unless
+ * "trust proxy" is set.
+ *
+ * @return {String}
+ * @public
+ */
+
+defineGetter(req, 'ip', function ip(){
+  var trust = this.app.get('trust proxy fn');
+  return proxyaddr(this, trust);
+});
+
+/**
+ * When "trust proxy" is set, trusted proxy addresses + client.
+ *
+ * For example if the value were "client, proxy1, proxy2"
+ * you would receive the array `["client", "proxy1", "proxy2"]`
+ * where "proxy2" is the furthest down-stream and "proxy1" and
+ * "proxy2" were trusted.
+ *
+ * @return {Array}
+ * @public
+ */
+
+defineGetter(req, 'ips', function ips() {
+  var trust = this.app.get('trust proxy fn');
+  var addrs = proxyaddr.all(this, trust);
+
+  // reverse the order (to farthest -> closest)
+  // and remove socket address
+  addrs.reverse().pop()
+
+  return addrs
+});
+
+/**
+ * Return subdomains as an array.
+ *
+ * Subdomains are the dot-separated parts of the host before the main domain of
+ * the app. By default, the domain of the app is assumed to be the last two
+ * parts of the host. This can be changed by setting "subdomain offset".
+ *
+ * For example, if the domain is "tobi.ferrets.example.com":
+ * If "subdomain offset" is not set, req.subdomains is `["ferrets", "tobi"]`.
+ * If "subdomain offset" is 3, req.subdomains is `["tobi"]`.
+ *
+ * @return {Array}
+ * @public
+ */
+
+defineGetter(req, 'subdomains', function subdomains() {
+  var hostname = this.hostname;
+
+  if (!hostname) return [];
+
+  var offset = this.app.get('subdomain offset');
+  var subdomains = !isIP(hostname)
+    ? hostname.split('.').reverse()
+    : [hostname];
+
+  return subdomains.slice(offset);
+});
+
+/**
+ * Short-hand for `url.parse(req.url).pathname`.
+ *
+ * @return {String}
+ * @public
+ */
+
+defineGetter(req, 'path', function path() {
+  return parse(this).pathname;
+});
+
+/**
+ * Parse the "Host" header field to a hostname.
+ *
+ * When the "trust proxy" setting trusts the socket
+ * address, the "X-Forwarded-Host" header field will
+ * be trusted.
+ *
+ * @return {String}
+ * @public
+ */
+
+defineGetter(req, 'hostname', function hostname(){
+  var trust = this.app.get('trust proxy fn');
+  var host = this.get('X-Forwarded-Host');
+
+  if (!host || !trust(this.connection.remoteAddress, 0)) {
+    host = this.get('Host');
+  } else if (host.indexOf(',') !== -1) {
+    // Note: X-Forwarded-Host is normally only ever a
+    //       single value, but this is to be safe.
+    host = host.substring(0, host.indexOf(',')).trimRight()
+  }
+
+  if (!host) return;
+
+  // IPv6 literal support
+  var offset = host[0] === '['
+    ? host.indexOf(']') + 1
+    : 0;
+  var index = host.indexOf(':', offset);
+
+  return index !== -1
+    ? host.substring(0, index)
+    : host;
+});
+
+// TODO: change req.host to return host in next major
+
+defineGetter(req, 'host', deprecate.function(function host(){
+  return this.hostname;
+}, 'req.host: Use req.hostname instead'));
+
+/**
+ * Check if the request is fresh, aka
+ * Last-Modified and/or the ETag
+ * still match.
+ *
+ * @return {Boolean}
+ * @public
+ */
+
+defineGetter(req, 'fresh', function(){
+  var method = this.method;
+  var res = this.res
+  var status = res.statusCode
+
+  // GET or HEAD for weak freshness validation only
+  if ('GET' !== method && 'HEAD' !== method) return false;
+
+  // 2xx or 304 as per rfc2616 14.26
+  if ((status >= 200 && status < 300) || 304 === status) {
+    return fresh(this.headers, {
+      'etag': res.get('ETag'),
+      'last-modified': res.get('Last-Modified')
+    })
+  }
+
+  return false;
+});
+
+/**
+ * Check if the request is stale, aka
+ * "Last-Modified" and / or the "ETag" for the
+ * resource has changed.
+ *
+ * @return {Boolean}
+ * @public
+ */
+
+defineGetter(req, 'stale', function stale(){
+  return !this.fresh;
+});
+
+/**
+ * Check if the request was an _XMLHttpRequest_.
+ *
+ * @return {Boolean}
+ * @public
+ */
+
+defineGetter(req, 'xhr', function xhr(){
+  var val = this.get('X-Requested-With') || '';
+  return val.toLowerCase() === 'xmlhttprequest';
+});
+
+/**
+ * Helper function for creating a getter on an object.
+ *
+ * @param {Object} obj
+ * @param {String} name
+ * @param {Function} getter
+ * @private
+ */
+function defineGetter(obj, name, getter) {
+  Object.defineProperty(obj, name, {
+    configurable: true,
+    enumerable: true,
+    get: getter
+  });
+}
diff --git a/node_modules/express/lib/response.js b/node_modules/express/lib/response.js
new file mode 100644
index 000000000..fede486c0
--- /dev/null
+++ b/node_modules/express/lib/response.js
@@ -0,0 +1,1169 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var Buffer = require('safe-buffer').Buffer
+var contentDisposition = require('content-disposition');
+var createError = require('http-errors')
+var deprecate = require('depd')('express');
+var encodeUrl = require('encodeurl');
+var escapeHtml = require('escape-html');
+var http = require('http');
+var isAbsolute = require('./utils').isAbsolute;
+var onFinished = require('on-finished');
+var path = require('path');
+var statuses = require('statuses')
+var merge = require('utils-merge');
+var sign = require('cookie-signature').sign;
+var normalizeType = require('./utils').normalizeType;
+var normalizeTypes = require('./utils').normalizeTypes;
+var setCharset = require('./utils').setCharset;
+var cookie = require('cookie');
+var send = require('send');
+var extname = path.extname;
+var mime = send.mime;
+var resolve = path.resolve;
+var vary = require('vary');
+
+/**
+ * Response prototype.
+ * @public
+ */
+
+var res = Object.create(http.ServerResponse.prototype)
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = res
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var charsetRegExp = /;\s*charset\s*=/;
+
+/**
+ * Set status `code`.
+ *
+ * @param {Number} code
+ * @return {ServerResponse}
+ * @public
+ */
+
+res.status = function status(code) {
+  if ((typeof code === 'string' || Math.floor(code) !== code) && code > 99 && code < 1000) {
+    deprecate('res.status(' + JSON.stringify(code) + '): use res.status(' + Math.floor(code) + ') instead')
+  }
+  this.statusCode = code;
+  return this;
+};
+
+/**
+ * Set Link header field with the given `links`.
+ *
+ * Examples:
+ *
+ *    res.links({
+ *      next: 'http://api.example.com/users?page=2',
+ *      last: 'http://api.example.com/users?page=5'
+ *    });
+ *
+ * @param {Object} links
+ * @return {ServerResponse}
+ * @public
+ */
+
+res.links = function(links){
+  var link = this.get('Link') || '';
+  if (link) link += ', ';
+  return this.set('Link', link + Object.keys(links).map(function(rel){
+    return '<' + links[rel] + '>; rel="' + rel + '"';
+  }).join(', '));
+};
+
+/**
+ * Send a response.
+ *
+ * Examples:
+ *
+ *     res.send(Buffer.from('wahoo'));
+ *     res.send({ some: 'json' });
+ *     res.send('<p>some html</p>');
+ *
+ * @param {string|number|boolean|object|Buffer} body
+ * @public
+ */
+
+res.send = function send(body) {
+  var chunk = body;
+  var encoding;
+  var req = this.req;
+  var type;
+
+  // settings
+  var app = this.app;
+
+  // allow status / body
+  if (arguments.length === 2) {
+    // res.send(body, status) backwards compat
+    if (typeof arguments[0] !== 'number' && typeof arguments[1] === 'number') {
+      deprecate('res.send(body, status): Use res.status(status).send(body) instead');
+      this.statusCode = arguments[1];
+    } else {
+      deprecate('res.send(status, body): Use res.status(status).send(body) instead');
+      this.statusCode = arguments[0];
+      chunk = arguments[1];
+    }
+  }
+
+  // disambiguate res.send(status) and res.send(status, num)
+  if (typeof chunk === 'number' && arguments.length === 1) {
+    // res.send(status) will set status message as text string
+    if (!this.get('Content-Type')) {
+      this.type('txt');
+    }
+
+    deprecate('res.send(status): Use res.sendStatus(status) instead');
+    this.statusCode = chunk;
+    chunk = statuses.message[chunk]
+  }
+
+  switch (typeof chunk) {
+    // string defaulting to html
+    case 'string':
+      if (!this.get('Content-Type')) {
+        this.type('html');
+      }
+      break;
+    case 'boolean':
+    case 'number':
+    case 'object':
+      if (chunk === null) {
+        chunk = '';
+      } else if (Buffer.isBuffer(chunk)) {
+        if (!this.get('Content-Type')) {
+          this.type('bin');
+        }
+      } else {
+        return this.json(chunk);
+      }
+      break;
+  }
+
+  // write strings in utf-8
+  if (typeof chunk === 'string') {
+    encoding = 'utf8';
+    type = this.get('Content-Type');
+
+    // reflect this in content-type
+    if (typeof type === 'string') {
+      this.set('Content-Type', setCharset(type, 'utf-8'));
+    }
+  }
+
+  // determine if ETag should be generated
+  var etagFn = app.get('etag fn')
+  var generateETag = !this.get('ETag') && typeof etagFn === 'function'
+
+  // populate Content-Length
+  var len
+  if (chunk !== undefined) {
+    if (Buffer.isBuffer(chunk)) {
+      // get length of Buffer
+      len = chunk.length
+    } else if (!generateETag && chunk.length < 1000) {
+      // just calculate length when no ETag + small chunk
+      len = Buffer.byteLength(chunk, encoding)
+    } else {
+      // convert chunk to Buffer and calculate
+      chunk = Buffer.from(chunk, encoding)
+      encoding = undefined;
+      len = chunk.length
+    }
+
+    this.set('Content-Length', len);
+  }
+
+  // populate ETag
+  var etag;
+  if (generateETag && len !== undefined) {
+    if ((etag = etagFn(chunk, encoding))) {
+      this.set('ETag', etag);
+    }
+  }
+
+  // freshness
+  if (req.fresh) this.statusCode = 304;
+
+  // strip irrelevant headers
+  if (204 === this.statusCode || 304 === this.statusCode) {
+    this.removeHeader('Content-Type');
+    this.removeHeader('Content-Length');
+    this.removeHeader('Transfer-Encoding');
+    chunk = '';
+  }
+
+  // alter headers for 205
+  if (this.statusCode === 205) {
+    this.set('Content-Length', '0')
+    this.removeHeader('Transfer-Encoding')
+    chunk = ''
+  }
+
+  if (req.method === 'HEAD') {
+    // skip body for HEAD
+    this.end();
+  } else {
+    // respond
+    this.end(chunk, encoding);
+  }
+
+  return this;
+};
+
+/**
+ * Send JSON response.
+ *
+ * Examples:
+ *
+ *     res.json(null);
+ *     res.json({ user: 'tj' });
+ *
+ * @param {string|number|boolean|object} obj
+ * @public
+ */
+
+res.json = function json(obj) {
+  var val = obj;
+
+  // allow status / body
+  if (arguments.length === 2) {
+    // res.json(body, status) backwards compat
+    if (typeof arguments[1] === 'number') {
+      deprecate('res.json(obj, status): Use res.status(status).json(obj) instead');
+      this.statusCode = arguments[1];
+    } else {
+      deprecate('res.json(status, obj): Use res.status(status).json(obj) instead');
+      this.statusCode = arguments[0];
+      val = arguments[1];
+    }
+  }
+
+  // settings
+  var app = this.app;
+  var escape = app.get('json escape')
+  var replacer = app.get('json replacer');
+  var spaces = app.get('json spaces');
+  var body = stringify(val, replacer, spaces, escape)
+
+  // content-type
+  if (!this.get('Content-Type')) {
+    this.set('Content-Type', 'application/json');
+  }
+
+  return this.send(body);
+};
+
+/**
+ * Send JSON response with JSONP callback support.
+ *
+ * Examples:
+ *
+ *     res.jsonp(null);
+ *     res.jsonp({ user: 'tj' });
+ *
+ * @param {string|number|boolean|object} obj
+ * @public
+ */
+
+res.jsonp = function jsonp(obj) {
+  var val = obj;
+
+  // allow status / body
+  if (arguments.length === 2) {
+    // res.jsonp(body, status) backwards compat
+    if (typeof arguments[1] === 'number') {
+      deprecate('res.jsonp(obj, status): Use res.status(status).jsonp(obj) instead');
+      this.statusCode = arguments[1];
+    } else {
+      deprecate('res.jsonp(status, obj): Use res.status(status).jsonp(obj) instead');
+      this.statusCode = arguments[0];
+      val = arguments[1];
+    }
+  }
+
+  // settings
+  var app = this.app;
+  var escape = app.get('json escape')
+  var replacer = app.get('json replacer');
+  var spaces = app.get('json spaces');
+  var body = stringify(val, replacer, spaces, escape)
+  var callback = this.req.query[app.get('jsonp callback name')];
+
+  // content-type
+  if (!this.get('Content-Type')) {
+    this.set('X-Content-Type-Options', 'nosniff');
+    this.set('Content-Type', 'application/json');
+  }
+
+  // fixup callback
+  if (Array.isArray(callback)) {
+    callback = callback[0];
+  }
+
+  // jsonp
+  if (typeof callback === 'string' && callback.length !== 0) {
+    this.set('X-Content-Type-Options', 'nosniff');
+    this.set('Content-Type', 'text/javascript');
+
+    // restrict callback charset
+    callback = callback.replace(/[^\[\]\w$.]/g, '');
+
+    if (body === undefined) {
+      // empty argument
+      body = ''
+    } else if (typeof body === 'string') {
+      // replace chars not allowed in JavaScript that are in JSON
+      body = body
+        .replace(/\u2028/g, '\\u2028')
+        .replace(/\u2029/g, '\\u2029')
+    }
+
+    // the /**/ is a specific security mitigation for "Rosetta Flash JSONP abuse"
+    // the typeof check is just to reduce client error noise
+    body = '/**/ typeof ' + callback + ' === \'function\' && ' + callback + '(' + body + ');';
+  }
+
+  return this.send(body);
+};
+
+/**
+ * Send given HTTP status code.
+ *
+ * Sets the response status to `statusCode` and the body of the
+ * response to the standard description from node's http.STATUS_CODES
+ * or the statusCode number if no description.
+ *
+ * Examples:
+ *
+ *     res.sendStatus(200);
+ *
+ * @param {number} statusCode
+ * @public
+ */
+
+res.sendStatus = function sendStatus(statusCode) {
+  var body = statuses.message[statusCode] || String(statusCode)
+
+  this.statusCode = statusCode;
+  this.type('txt');
+
+  return this.send(body);
+};
+
+/**
+ * Transfer the file at the given `path`.
+ *
+ * Automatically sets the _Content-Type_ response header field.
+ * The callback `callback(err)` is invoked when the transfer is complete
+ * or when an error occurs. Be sure to check `res.headersSent`
+ * if you wish to attempt responding, as the header and some data
+ * may have already been transferred.
+ *
+ * Options:
+ *
+ *   - `maxAge`   defaulting to 0 (can be string converted by `ms`)
+ *   - `root`     root directory for relative filenames
+ *   - `headers`  object of headers to serve with file
+ *   - `dotfiles` serve dotfiles, defaulting to false; can be `"allow"` to send them
+ *
+ * Other options are passed along to `send`.
+ *
+ * Examples:
+ *
+ *  The following example illustrates how `res.sendFile()` may
+ *  be used as an alternative for the `static()` middleware for
+ *  dynamic situations. The code backing `res.sendFile()` is actually
+ *  the same code, so HTTP cache support etc is identical.
+ *
+ *     app.get('/user/:uid/photos/:file', function(req, res){
+ *       var uid = req.params.uid
+ *         , file = req.params.file;
+ *
+ *       req.user.mayViewFilesFrom(uid, function(yes){
+ *         if (yes) {
+ *           res.sendFile('/uploads/' + uid + '/' + file);
+ *         } else {
+ *           res.send(403, 'Sorry! you cant see that.');
+ *         }
+ *       });
+ *     });
+ *
+ * @public
+ */
+
+res.sendFile = function sendFile(path, options, callback) {
+  var done = callback;
+  var req = this.req;
+  var res = this;
+  var next = req.next;
+  var opts = options || {};
+
+  if (!path) {
+    throw new TypeError('path argument is required to res.sendFile');
+  }
+
+  if (typeof path !== 'string') {
+    throw new TypeError('path must be a string to res.sendFile')
+  }
+
+  // support function as second arg
+  if (typeof options === 'function') {
+    done = options;
+    opts = {};
+  }
+
+  if (!opts.root && !isAbsolute(path)) {
+    throw new TypeError('path must be absolute or specify root to res.sendFile');
+  }
+
+  // create file stream
+  var pathname = encodeURI(path);
+  var file = send(req, pathname, opts);
+
+  // transfer
+  sendfile(res, file, opts, function (err) {
+    if (done) return done(err);
+    if (err && err.code === 'EISDIR') return next();
+
+    // next() all but write errors
+    if (err && err.code !== 'ECONNABORTED' && err.syscall !== 'write') {
+      next(err);
+    }
+  });
+};
+
+/**
+ * Transfer the file at the given `path`.
+ *
+ * Automatically sets the _Content-Type_ response header field.
+ * The callback `callback(err)` is invoked when the transfer is complete
+ * or when an error occurs. Be sure to check `res.headersSent`
+ * if you wish to attempt responding, as the header and some data
+ * may have already been transferred.
+ *
+ * Options:
+ *
+ *   - `maxAge`   defaulting to 0 (can be string converted by `ms`)
+ *   - `root`     root directory for relative filenames
+ *   - `headers`  object of headers to serve with file
+ *   - `dotfiles` serve dotfiles, defaulting to false; can be `"allow"` to send them
+ *
+ * Other options are passed along to `send`.
+ *
+ * Examples:
+ *
+ *  The following example illustrates how `res.sendfile()` may
+ *  be used as an alternative for the `static()` middleware for
+ *  dynamic situations. The code backing `res.sendfile()` is actually
+ *  the same code, so HTTP cache support etc is identical.
+ *
+ *     app.get('/user/:uid/photos/:file', function(req, res){
+ *       var uid = req.params.uid
+ *         , file = req.params.file;
+ *
+ *       req.user.mayViewFilesFrom(uid, function(yes){
+ *         if (yes) {
+ *           res.sendfile('/uploads/' + uid + '/' + file);
+ *         } else {
+ *           res.send(403, 'Sorry! you cant see that.');
+ *         }
+ *       });
+ *     });
+ *
+ * @public
+ */
+
+res.sendfile = function (path, options, callback) {
+  var done = callback;
+  var req = this.req;
+  var res = this;
+  var next = req.next;
+  var opts = options || {};
+
+  // support function as second arg
+  if (typeof options === 'function') {
+    done = options;
+    opts = {};
+  }
+
+  // create file stream
+  var file = send(req, path, opts);
+
+  // transfer
+  sendfile(res, file, opts, function (err) {
+    if (done) return done(err);
+    if (err && err.code === 'EISDIR') return next();
+
+    // next() all but write errors
+    if (err && err.code !== 'ECONNABORTED' && err.syscall !== 'write') {
+      next(err);
+    }
+  });
+};
+
+res.sendfile = deprecate.function(res.sendfile,
+  'res.sendfile: Use res.sendFile instead');
+
+/**
+ * Transfer the file at the given `path` as an attachment.
+ *
+ * Optionally providing an alternate attachment `filename`,
+ * and optional callback `callback(err)`. The callback is invoked
+ * when the data transfer is complete, or when an error has
+ * occurred. Be sure to check `res.headersSent` if you plan to respond.
+ *
+ * Optionally providing an `options` object to use with `res.sendFile()`.
+ * This function will set the `Content-Disposition` header, overriding
+ * any `Content-Disposition` header passed as header options in order
+ * to set the attachment and filename.
+ *
+ * This method uses `res.sendFile()`.
+ *
+ * @public
+ */
+
+res.download = function download (path, filename, options, callback) {
+  var done = callback;
+  var name = filename;
+  var opts = options || null
+
+  // support function as second or third arg
+  if (typeof filename === 'function') {
+    done = filename;
+    name = null;
+    opts = null
+  } else if (typeof options === 'function') {
+    done = options
+    opts = null
+  }
+
+  // support optional filename, where options may be in it's place
+  if (typeof filename === 'object' &&
+    (typeof options === 'function' || options === undefined)) {
+    name = null
+    opts = filename
+  }
+
+  // set Content-Disposition when file is sent
+  var headers = {
+    'Content-Disposition': contentDisposition(name || path)
+  };
+
+  // merge user-provided headers
+  if (opts && opts.headers) {
+    var keys = Object.keys(opts.headers)
+    for (var i = 0; i < keys.length; i++) {
+      var key = keys[i]
+      if (key.toLowerCase() !== 'content-disposition') {
+        headers[key] = opts.headers[key]
+      }
+    }
+  }
+
+  // merge user-provided options
+  opts = Object.create(opts)
+  opts.headers = headers
+
+  // Resolve the full path for sendFile
+  var fullPath = !opts.root
+    ? resolve(path)
+    : path
+
+  // send file
+  return this.sendFile(fullPath, opts, done)
+};
+
+/**
+ * Set _Content-Type_ response header with `type` through `mime.lookup()`
+ * when it does not contain "/", or set the Content-Type to `type` otherwise.
+ *
+ * Examples:
+ *
+ *     res.type('.html');
+ *     res.type('html');
+ *     res.type('json');
+ *     res.type('application/json');
+ *     res.type('png');
+ *
+ * @param {String} type
+ * @return {ServerResponse} for chaining
+ * @public
+ */
+
+res.contentType =
+res.type = function contentType(type) {
+  var ct = type.indexOf('/') === -1
+    ? mime.lookup(type)
+    : type;
+
+  return this.set('Content-Type', ct);
+};
+
+/**
+ * Respond to the Acceptable formats using an `obj`
+ * of mime-type callbacks.
+ *
+ * This method uses `req.accepted`, an array of
+ * acceptable types ordered by their quality values.
+ * When "Accept" is not present the _first_ callback
+ * is invoked, otherwise the first match is used. When
+ * no match is performed the server responds with
+ * 406 "Not Acceptable".
+ *
+ * Content-Type is set for you, however if you choose
+ * you may alter this within the callback using `res.type()`
+ * or `res.set('Content-Type', ...)`.
+ *
+ *    res.format({
+ *      'text/plain': function(){
+ *        res.send('hey');
+ *      },
+ *
+ *      'text/html': function(){
+ *        res.send('<p>hey</p>');
+ *      },
+ *
+ *      'application/json': function () {
+ *        res.send({ message: 'hey' });
+ *      }
+ *    });
+ *
+ * In addition to canonicalized MIME types you may
+ * also use extnames mapped to these types:
+ *
+ *    res.format({
+ *      text: function(){
+ *        res.send('hey');
+ *      },
+ *
+ *      html: function(){
+ *        res.send('<p>hey</p>');
+ *      },
+ *
+ *      json: function(){
+ *        res.send({ message: 'hey' });
+ *      }
+ *    });
+ *
+ * By default Express passes an `Error`
+ * with a `.status` of 406 to `next(err)`
+ * if a match is not made. If you provide
+ * a `.default` callback it will be invoked
+ * instead.
+ *
+ * @param {Object} obj
+ * @return {ServerResponse} for chaining
+ * @public
+ */
+
+res.format = function(obj){
+  var req = this.req;
+  var next = req.next;
+
+  var keys = Object.keys(obj)
+    .filter(function (v) { return v !== 'default' })
+
+  var key = keys.length > 0
+    ? req.accepts(keys)
+    : false;
+
+  this.vary("Accept");
+
+  if (key) {
+    this.set('Content-Type', normalizeType(key).value);
+    obj[key](req, this, next);
+  } else if (obj.default) {
+    obj.default(req, this, next)
+  } else {
+    next(createError(406, {
+      types: normalizeTypes(keys).map(function (o) { return o.value })
+    }))
+  }
+
+  return this;
+};
+
+/**
+ * Set _Content-Disposition_ header to _attachment_ with optional `filename`.
+ *
+ * @param {String} filename
+ * @return {ServerResponse}
+ * @public
+ */
+
+res.attachment = function attachment(filename) {
+  if (filename) {
+    this.type(extname(filename));
+  }
+
+  this.set('Content-Disposition', contentDisposition(filename));
+
+  return this;
+};
+
+/**
+ * Append additional header `field` with value `val`.
+ *
+ * Example:
+ *
+ *    res.append('Link', ['<http://localhost/>', '<http://localhost:3000/>']);
+ *    res.append('Set-Cookie', 'foo=bar; Path=/; HttpOnly');
+ *    res.append('Warning', '199 Miscellaneous warning');
+ *
+ * @param {String} field
+ * @param {String|Array} val
+ * @return {ServerResponse} for chaining
+ * @public
+ */
+
+res.append = function append(field, val) {
+  var prev = this.get(field);
+  var value = val;
+
+  if (prev) {
+    // concat the new and prev vals
+    value = Array.isArray(prev) ? prev.concat(val)
+      : Array.isArray(val) ? [prev].concat(val)
+        : [prev, val]
+  }
+
+  return this.set(field, value);
+};
+
+/**
+ * Set header `field` to `val`, or pass
+ * an object of header fields.
+ *
+ * Examples:
+ *
+ *    res.set('Foo', ['bar', 'baz']);
+ *    res.set('Accept', 'application/json');
+ *    res.set({ Accept: 'text/plain', 'X-API-Key': 'tobi' });
+ *
+ * Aliased as `res.header()`.
+ *
+ * @param {String|Object} field
+ * @param {String|Array} val
+ * @return {ServerResponse} for chaining
+ * @public
+ */
+
+res.set =
+res.header = function header(field, val) {
+  if (arguments.length === 2) {
+    var value = Array.isArray(val)
+      ? val.map(String)
+      : String(val);
+
+    // add charset to content-type
+    if (field.toLowerCase() === 'content-type') {
+      if (Array.isArray(value)) {
+        throw new TypeError('Content-Type cannot be set to an Array');
+      }
+      if (!charsetRegExp.test(value)) {
+        var charset = mime.charsets.lookup(value.split(';')[0]);
+        if (charset) value += '; charset=' + charset.toLowerCase();
+      }
+    }
+
+    this.setHeader(field, value);
+  } else {
+    for (var key in field) {
+      this.set(key, field[key]);
+    }
+  }
+  return this;
+};
+
+/**
+ * Get value for header `field`.
+ *
+ * @param {String} field
+ * @return {String}
+ * @public
+ */
+
+res.get = function(field){
+  return this.getHeader(field);
+};
+
+/**
+ * Clear cookie `name`.
+ *
+ * @param {String} name
+ * @param {Object} [options]
+ * @return {ServerResponse} for chaining
+ * @public
+ */
+
+res.clearCookie = function clearCookie(name, options) {
+  var opts = merge({ expires: new Date(1), path: '/' }, options);
+
+  return this.cookie(name, '', opts);
+};
+
+/**
+ * Set cookie `name` to `value`, with the given `options`.
+ *
+ * Options:
+ *
+ *    - `maxAge`   max-age in milliseconds, converted to `expires`
+ *    - `signed`   sign the cookie
+ *    - `path`     defaults to "/"
+ *
+ * Examples:
+ *
+ *    // "Remember Me" for 15 minutes
+ *    res.cookie('rememberme', '1', { expires: new Date(Date.now() + 900000), httpOnly: true });
+ *
+ *    // same as above
+ *    res.cookie('rememberme', '1', { maxAge: 900000, httpOnly: true })
+ *
+ * @param {String} name
+ * @param {String|Object} value
+ * @param {Object} [options]
+ * @return {ServerResponse} for chaining
+ * @public
+ */
+
+res.cookie = function (name, value, options) {
+  var opts = merge({}, options);
+  var secret = this.req.secret;
+  var signed = opts.signed;
+
+  if (signed && !secret) {
+    throw new Error('cookieParser("secret") required for signed cookies');
+  }
+
+  var val = typeof value === 'object'
+    ? 'j:' + JSON.stringify(value)
+    : String(value);
+
+  if (signed) {
+    val = 's:' + sign(val, secret);
+  }
+
+  if (opts.maxAge != null) {
+    var maxAge = opts.maxAge - 0
+
+    if (!isNaN(maxAge)) {
+      opts.expires = new Date(Date.now() + maxAge)
+      opts.maxAge = Math.floor(maxAge / 1000)
+    }
+  }
+
+  if (opts.path == null) {
+    opts.path = '/';
+  }
+
+  this.append('Set-Cookie', cookie.serialize(name, String(val), opts));
+
+  return this;
+};
+
+/**
+ * Set the location header to `url`.
+ *
+ * The given `url` can also be "back", which redirects
+ * to the _Referrer_ or _Referer_ headers or "/".
+ *
+ * Examples:
+ *
+ *    res.location('/foo/bar').;
+ *    res.location('http://example.com');
+ *    res.location('../login');
+ *
+ * @param {String} url
+ * @return {ServerResponse} for chaining
+ * @public
+ */
+
+res.location = function location(url) {
+  var loc = url;
+
+  // "back" is an alias for the referrer
+  if (url === 'back') {
+    loc = this.req.get('Referrer') || '/';
+  }
+
+  // set location
+  return this.set('Location', encodeUrl(loc));
+};
+
+/**
+ * Redirect to the given `url` with optional response `status`
+ * defaulting to 302.
+ *
+ * The resulting `url` is determined by `res.location()`, so
+ * it will play nicely with mounted apps, relative paths,
+ * `"back"` etc.
+ *
+ * Examples:
+ *
+ *    res.redirect('/foo/bar');
+ *    res.redirect('http://example.com');
+ *    res.redirect(301, 'http://example.com');
+ *    res.redirect('../login'); // /blog/post/1 -> /blog/login
+ *
+ * @public
+ */
+
+res.redirect = function redirect(url) {
+  var address = url;
+  var body;
+  var status = 302;
+
+  // allow status / url
+  if (arguments.length === 2) {
+    if (typeof arguments[0] === 'number') {
+      status = arguments[0];
+      address = arguments[1];
+    } else {
+      deprecate('res.redirect(url, status): Use res.redirect(status, url) instead');
+      status = arguments[1];
+    }
+  }
+
+  // Set location header
+  address = this.location(address).get('Location');
+
+  // Support text/{plain,html} by default
+  this.format({
+    text: function(){
+      body = statuses.message[status] + '. Redirecting to ' + address
+    },
+
+    html: function(){
+      var u = escapeHtml(address);
+      body = '<p>' + statuses.message[status] + '. Redirecting to <a href="' + u + '">' + u + '</a></p>'
+    },
+
+    default: function(){
+      body = '';
+    }
+  });
+
+  // Respond
+  this.statusCode = status;
+  this.set('Content-Length', Buffer.byteLength(body));
+
+  if (this.req.method === 'HEAD') {
+    this.end();
+  } else {
+    this.end(body);
+  }
+};
+
+/**
+ * Add `field` to Vary. If already present in the Vary set, then
+ * this call is simply ignored.
+ *
+ * @param {Array|String} field
+ * @return {ServerResponse} for chaining
+ * @public
+ */
+
+res.vary = function(field){
+  // checks for back-compat
+  if (!field || (Array.isArray(field) && !field.length)) {
+    deprecate('res.vary(): Provide a field name');
+    return this;
+  }
+
+  vary(this, field);
+
+  return this;
+};
+
+/**
+ * Render `view` with the given `options` and optional callback `fn`.
+ * When a callback function is given a response will _not_ be made
+ * automatically, otherwise a response of _200_ and _text/html_ is given.
+ *
+ * Options:
+ *
+ *  - `cache`     boolean hinting to the engine it should cache
+ *  - `filename`  filename of the view being rendered
+ *
+ * @public
+ */
+
+res.render = function render(view, options, callback) {
+  var app = this.req.app;
+  var done = callback;
+  var opts = options || {};
+  var req = this.req;
+  var self = this;
+
+  // support callback function as second arg
+  if (typeof options === 'function') {
+    done = options;
+    opts = {};
+  }
+
+  // merge res.locals
+  opts._locals = self.locals;
+
+  // default callback to respond
+  done = done || function (err, str) {
+    if (err) return req.next(err);
+    self.send(str);
+  };
+
+  // render
+  app.render(view, opts, done);
+};
+
+// pipe the send file stream
+function sendfile(res, file, options, callback) {
+  var done = false;
+  var streaming;
+
+  // request aborted
+  function onaborted() {
+    if (done) return;
+    done = true;
+
+    var err = new Error('Request aborted');
+    err.code = 'ECONNABORTED';
+    callback(err);
+  }
+
+  // directory
+  function ondirectory() {
+    if (done) return;
+    done = true;
+
+    var err = new Error('EISDIR, read');
+    err.code = 'EISDIR';
+    callback(err);
+  }
+
+  // errors
+  function onerror(err) {
+    if (done) return;
+    done = true;
+    callback(err);
+  }
+
+  // ended
+  function onend() {
+    if (done) return;
+    done = true;
+    callback();
+  }
+
+  // file
+  function onfile() {
+    streaming = false;
+  }
+
+  // finished
+  function onfinish(err) {
+    if (err && err.code === 'ECONNRESET') return onaborted();
+    if (err) return onerror(err);
+    if (done) return;
+
+    setImmediate(function () {
+      if (streaming !== false && !done) {
+        onaborted();
+        return;
+      }
+
+      if (done) return;
+      done = true;
+      callback();
+    });
+  }
+
+  // streaming
+  function onstream() {
+    streaming = true;
+  }
+
+  file.on('directory', ondirectory);
+  file.on('end', onend);
+  file.on('error', onerror);
+  file.on('file', onfile);
+  file.on('stream', onstream);
+  onFinished(res, onfinish);
+
+  if (options.headers) {
+    // set headers on successful transfer
+    file.on('headers', function headers(res) {
+      var obj = options.headers;
+      var keys = Object.keys(obj);
+
+      for (var i = 0; i < keys.length; i++) {
+        var k = keys[i];
+        res.setHeader(k, obj[k]);
+      }
+    });
+  }
+
+  // pipe
+  file.pipe(res);
+}
+
+/**
+ * Stringify JSON, like JSON.stringify, but v8 optimized, with the
+ * ability to escape characters that can trigger HTML sniffing.
+ *
+ * @param {*} value
+ * @param {function} replacer
+ * @param {number} spaces
+ * @param {boolean} escape
+ * @returns {string}
+ * @private
+ */
+
+function stringify (value, replacer, spaces, escape) {
+  // v8 checks arguments.length for optimizing simple call
+  // https://bugs.chromium.org/p/v8/issues/detail?id=4730
+  var json = replacer || spaces
+    ? JSON.stringify(value, replacer, spaces)
+    : JSON.stringify(value);
+
+  if (escape && typeof json === 'string') {
+    json = json.replace(/[<>&]/g, function (c) {
+      switch (c.charCodeAt(0)) {
+        case 0x3c:
+          return '\\u003c'
+        case 0x3e:
+          return '\\u003e'
+        case 0x26:
+          return '\\u0026'
+        /* istanbul ignore next: unreachable default */
+        default:
+          return c
+      }
+    })
+  }
+
+  return json
+}
diff --git a/node_modules/express/lib/router/index.js b/node_modules/express/lib/router/index.js
new file mode 100644
index 000000000..5174c34f4
--- /dev/null
+++ b/node_modules/express/lib/router/index.js
@@ -0,0 +1,673 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2013 Roman Shtylman
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var Route = require('./route');
+var Layer = require('./layer');
+var methods = require('methods');
+var mixin = require('utils-merge');
+var debug = require('debug')('express:router');
+var deprecate = require('depd')('express');
+var flatten = require('array-flatten');
+var parseUrl = require('parseurl');
+var setPrototypeOf = require('setprototypeof')
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var objectRegExp = /^\[object (\S+)\]$/;
+var slice = Array.prototype.slice;
+var toString = Object.prototype.toString;
+
+/**
+ * Initialize a new `Router` with the given `options`.
+ *
+ * @param {Object} [options]
+ * @return {Router} which is an callable function
+ * @public
+ */
+
+var proto = module.exports = function(options) {
+  var opts = options || {};
+
+  function router(req, res, next) {
+    router.handle(req, res, next);
+  }
+
+  // mixin Router class functions
+  setPrototypeOf(router, proto)
+
+  router.params = {};
+  router._params = [];
+  router.caseSensitive = opts.caseSensitive;
+  router.mergeParams = opts.mergeParams;
+  router.strict = opts.strict;
+  router.stack = [];
+
+  return router;
+};
+
+/**
+ * Map the given param placeholder `name`(s) to the given callback.
+ *
+ * Parameter mapping is used to provide pre-conditions to routes
+ * which use normalized placeholders. For example a _:user_id_ parameter
+ * could automatically load a user's information from the database without
+ * any additional code,
+ *
+ * The callback uses the same signature as middleware, the only difference
+ * being that the value of the placeholder is passed, in this case the _id_
+ * of the user. Once the `next()` function is invoked, just like middleware
+ * it will continue on to execute the route, or subsequent parameter functions.
+ *
+ * Just like in middleware, you must either respond to the request or call next
+ * to avoid stalling the request.
+ *
+ *  app.param('user_id', function(req, res, next, id){
+ *    User.find(id, function(err, user){
+ *      if (err) {
+ *        return next(err);
+ *      } else if (!user) {
+ *        return next(new Error('failed to load user'));
+ *      }
+ *      req.user = user;
+ *      next();
+ *    });
+ *  });
+ *
+ * @param {String} name
+ * @param {Function} fn
+ * @return {app} for chaining
+ * @public
+ */
+
+proto.param = function param(name, fn) {
+  // param logic
+  if (typeof name === 'function') {
+    deprecate('router.param(fn): Refactor to use path params');
+    this._params.push(name);
+    return;
+  }
+
+  // apply param functions
+  var params = this._params;
+  var len = params.length;
+  var ret;
+
+  if (name[0] === ':') {
+    deprecate('router.param(' + JSON.stringify(name) + ', fn): Use router.param(' + JSON.stringify(name.slice(1)) + ', fn) instead')
+    name = name.slice(1)
+  }
+
+  for (var i = 0; i < len; ++i) {
+    if (ret = params[i](name, fn)) {
+      fn = ret;
+    }
+  }
+
+  // ensure we end up with a
+  // middleware function
+  if ('function' !== typeof fn) {
+    throw new Error('invalid param() call for ' + name + ', got ' + fn);
+  }
+
+  (this.params[name] = this.params[name] || []).push(fn);
+  return this;
+};
+
+/**
+ * Dispatch a req, res into the router.
+ * @private
+ */
+
+proto.handle = function handle(req, res, out) {
+  var self = this;
+
+  debug('dispatching %s %s', req.method, req.url);
+
+  var idx = 0;
+  var protohost = getProtohost(req.url) || ''
+  var removed = '';
+  var slashAdded = false;
+  var sync = 0
+  var paramcalled = {};
+
+  // store options for OPTIONS request
+  // only used if OPTIONS request
+  var options = [];
+
+  // middleware and routes
+  var stack = self.stack;
+
+  // manage inter-router variables
+  var parentParams = req.params;
+  var parentUrl = req.baseUrl || '';
+  var done = restore(out, req, 'baseUrl', 'next', 'params');
+
+  // setup next layer
+  req.next = next;
+
+  // for options requests, respond with a default if nothing else responds
+  if (req.method === 'OPTIONS') {
+    done = wrap(done, function(old, err) {
+      if (err || options.length === 0) return old(err);
+      sendOptionsResponse(res, options, old);
+    });
+  }
+
+  // setup basic req values
+  req.baseUrl = parentUrl;
+  req.originalUrl = req.originalUrl || req.url;
+
+  next();
+
+  function next(err) {
+    var layerError = err === 'route'
+      ? null
+      : err;
+
+    // remove added slash
+    if (slashAdded) {
+      req.url = req.url.slice(1)
+      slashAdded = false;
+    }
+
+    // restore altered req.url
+    if (removed.length !== 0) {
+      req.baseUrl = parentUrl;
+      req.url = protohost + removed + req.url.slice(protohost.length)
+      removed = '';
+    }
+
+    // signal to exit router
+    if (layerError === 'router') {
+      setImmediate(done, null)
+      return
+    }
+
+    // no more matching layers
+    if (idx >= stack.length) {
+      setImmediate(done, layerError);
+      return;
+    }
+
+    // max sync stack
+    if (++sync > 100) {
+      return setImmediate(next, err)
+    }
+
+    // get pathname of request
+    var path = getPathname(req);
+
+    if (path == null) {
+      return done(layerError);
+    }
+
+    // find next matching layer
+    var layer;
+    var match;
+    var route;
+
+    while (match !== true && idx < stack.length) {
+      layer = stack[idx++];
+      match = matchLayer(layer, path);
+      route = layer.route;
+
+      if (typeof match !== 'boolean') {
+        // hold on to layerError
+        layerError = layerError || match;
+      }
+
+      if (match !== true) {
+        continue;
+      }
+
+      if (!route) {
+        // process non-route handlers normally
+        continue;
+      }
+
+      if (layerError) {
+        // routes do not match with a pending error
+        match = false;
+        continue;
+      }
+
+      var method = req.method;
+      var has_method = route._handles_method(method);
+
+      // build up automatic options response
+      if (!has_method && method === 'OPTIONS') {
+        appendMethods(options, route._options());
+      }
+
+      // don't even bother matching route
+      if (!has_method && method !== 'HEAD') {
+        match = false;
+      }
+    }
+
+    // no match
+    if (match !== true) {
+      return done(layerError);
+    }
+
+    // store route for dispatch on change
+    if (route) {
+      req.route = route;
+    }
+
+    // Capture one-time layer values
+    req.params = self.mergeParams
+      ? mergeParams(layer.params, parentParams)
+      : layer.params;
+    var layerPath = layer.path;
+
+    // this should be done for the layer
+    self.process_params(layer, paramcalled, req, res, function (err) {
+      if (err) {
+        next(layerError || err)
+      } else if (route) {
+        layer.handle_request(req, res, next)
+      } else {
+        trim_prefix(layer, layerError, layerPath, path)
+      }
+
+      sync = 0
+    });
+  }
+
+  function trim_prefix(layer, layerError, layerPath, path) {
+    if (layerPath.length !== 0) {
+      // Validate path is a prefix match
+      if (layerPath !== path.slice(0, layerPath.length)) {
+        next(layerError)
+        return
+      }
+
+      // Validate path breaks on a path separator
+      var c = path[layerPath.length]
+      if (c && c !== '/' && c !== '.') return next(layerError)
+
+      // Trim off the part of the url that matches the route
+      // middleware (.use stuff) needs to have the path stripped
+      debug('trim prefix (%s) from url %s', layerPath, req.url);
+      removed = layerPath;
+      req.url = protohost + req.url.slice(protohost.length + removed.length)
+
+      // Ensure leading slash
+      if (!protohost && req.url[0] !== '/') {
+        req.url = '/' + req.url;
+        slashAdded = true;
+      }
+
+      // Setup base URL (no trailing slash)
+      req.baseUrl = parentUrl + (removed[removed.length - 1] === '/'
+        ? removed.substring(0, removed.length - 1)
+        : removed);
+    }
+
+    debug('%s %s : %s', layer.name, layerPath, req.originalUrl);
+
+    if (layerError) {
+      layer.handle_error(layerError, req, res, next);
+    } else {
+      layer.handle_request(req, res, next);
+    }
+  }
+};
+
+/**
+ * Process any parameters for the layer.
+ * @private
+ */
+
+proto.process_params = function process_params(layer, called, req, res, done) {
+  var params = this.params;
+
+  // captured parameters from the layer, keys and values
+  var keys = layer.keys;
+
+  // fast track
+  if (!keys || keys.length === 0) {
+    return done();
+  }
+
+  var i = 0;
+  var name;
+  var paramIndex = 0;
+  var key;
+  var paramVal;
+  var paramCallbacks;
+  var paramCalled;
+
+  // process params in order
+  // param callbacks can be async
+  function param(err) {
+    if (err) {
+      return done(err);
+    }
+
+    if (i >= keys.length ) {
+      return done();
+    }
+
+    paramIndex = 0;
+    key = keys[i++];
+    name = key.name;
+    paramVal = req.params[name];
+    paramCallbacks = params[name];
+    paramCalled = called[name];
+
+    if (paramVal === undefined || !paramCallbacks) {
+      return param();
+    }
+
+    // param previously called with same value or error occurred
+    if (paramCalled && (paramCalled.match === paramVal
+      || (paramCalled.error && paramCalled.error !== 'route'))) {
+      // restore value
+      req.params[name] = paramCalled.value;
+
+      // next param
+      return param(paramCalled.error);
+    }
+
+    called[name] = paramCalled = {
+      error: null,
+      match: paramVal,
+      value: paramVal
+    };
+
+    paramCallback();
+  }
+
+  // single param callbacks
+  function paramCallback(err) {
+    var fn = paramCallbacks[paramIndex++];
+
+    // store updated value
+    paramCalled.value = req.params[key.name];
+
+    if (err) {
+      // store error
+      paramCalled.error = err;
+      param(err);
+      return;
+    }
+
+    if (!fn) return param();
+
+    try {
+      fn(req, res, paramCallback, paramVal, key.name);
+    } catch (e) {
+      paramCallback(e);
+    }
+  }
+
+  param();
+};
+
+/**
+ * Use the given middleware function, with optional path, defaulting to "/".
+ *
+ * Use (like `.all`) will run for any http METHOD, but it will not add
+ * handlers for those methods so OPTIONS requests will not consider `.use`
+ * functions even if they could respond.
+ *
+ * The other difference is that _route_ path is stripped and not visible
+ * to the handler function. The main effect of this feature is that mounted
+ * handlers can operate without any code changes regardless of the "prefix"
+ * pathname.
+ *
+ * @public
+ */
+
+proto.use = function use(fn) {
+  var offset = 0;
+  var path = '/';
+
+  // default path to '/'
+  // disambiguate router.use([fn])
+  if (typeof fn !== 'function') {
+    var arg = fn;
+
+    while (Array.isArray(arg) && arg.length !== 0) {
+      arg = arg[0];
+    }
+
+    // first arg is the path
+    if (typeof arg !== 'function') {
+      offset = 1;
+      path = fn;
+    }
+  }
+
+  var callbacks = flatten(slice.call(arguments, offset));
+
+  if (callbacks.length === 0) {
+    throw new TypeError('Router.use() requires a middleware function')
+  }
+
+  for (var i = 0; i < callbacks.length; i++) {
+    var fn = callbacks[i];
+
+    if (typeof fn !== 'function') {
+      throw new TypeError('Router.use() requires a middleware function but got a ' + gettype(fn))
+    }
+
+    // add the middleware
+    debug('use %o %s', path, fn.name || '<anonymous>')
+
+    var layer = new Layer(path, {
+      sensitive: this.caseSensitive,
+      strict: false,
+      end: false
+    }, fn);
+
+    layer.route = undefined;
+
+    this.stack.push(layer);
+  }
+
+  return this;
+};
+
+/**
+ * Create a new Route for the given path.
+ *
+ * Each route contains a separate middleware stack and VERB handlers.
+ *
+ * See the Route api documentation for details on adding handlers
+ * and middleware to routes.
+ *
+ * @param {String} path
+ * @return {Route}
+ * @public
+ */
+
+proto.route = function route(path) {
+  var route = new Route(path);
+
+  var layer = new Layer(path, {
+    sensitive: this.caseSensitive,
+    strict: this.strict,
+    end: true
+  }, route.dispatch.bind(route));
+
+  layer.route = route;
+
+  this.stack.push(layer);
+  return route;
+};
+
+// create Router#VERB functions
+methods.concat('all').forEach(function(method){
+  proto[method] = function(path){
+    var route = this.route(path)
+    route[method].apply(route, slice.call(arguments, 1));
+    return this;
+  };
+});
+
+// append methods to a list of methods
+function appendMethods(list, addition) {
+  for (var i = 0; i < addition.length; i++) {
+    var method = addition[i];
+    if (list.indexOf(method) === -1) {
+      list.push(method);
+    }
+  }
+}
+
+// get pathname of request
+function getPathname(req) {
+  try {
+    return parseUrl(req).pathname;
+  } catch (err) {
+    return undefined;
+  }
+}
+
+// Get get protocol + host for a URL
+function getProtohost(url) {
+  if (typeof url !== 'string' || url.length === 0 || url[0] === '/') {
+    return undefined
+  }
+
+  var searchIndex = url.indexOf('?')
+  var pathLength = searchIndex !== -1
+    ? searchIndex
+    : url.length
+  var fqdnIndex = url.slice(0, pathLength).indexOf('://')
+
+  return fqdnIndex !== -1
+    ? url.substring(0, url.indexOf('/', 3 + fqdnIndex))
+    : undefined
+}
+
+// get type for error message
+function gettype(obj) {
+  var type = typeof obj;
+
+  if (type !== 'object') {
+    return type;
+  }
+
+  // inspect [[Class]] for objects
+  return toString.call(obj)
+    .replace(objectRegExp, '$1');
+}
+
+/**
+ * Match path to a layer.
+ *
+ * @param {Layer} layer
+ * @param {string} path
+ * @private
+ */
+
+function matchLayer(layer, path) {
+  try {
+    return layer.match(path);
+  } catch (err) {
+    return err;
+  }
+}
+
+// merge params with parent params
+function mergeParams(params, parent) {
+  if (typeof parent !== 'object' || !parent) {
+    return params;
+  }
+
+  // make copy of parent for base
+  var obj = mixin({}, parent);
+
+  // simple non-numeric merging
+  if (!(0 in params) || !(0 in parent)) {
+    return mixin(obj, params);
+  }
+
+  var i = 0;
+  var o = 0;
+
+  // determine numeric gaps
+  while (i in params) {
+    i++;
+  }
+
+  while (o in parent) {
+    o++;
+  }
+
+  // offset numeric indices in params before merge
+  for (i--; i >= 0; i--) {
+    params[i + o] = params[i];
+
+    // create holes for the merge when necessary
+    if (i < o) {
+      delete params[i];
+    }
+  }
+
+  return mixin(obj, params);
+}
+
+// restore obj props after function
+function restore(fn, obj) {
+  var props = new Array(arguments.length - 2);
+  var vals = new Array(arguments.length - 2);
+
+  for (var i = 0; i < props.length; i++) {
+    props[i] = arguments[i + 2];
+    vals[i] = obj[props[i]];
+  }
+
+  return function () {
+    // restore vals
+    for (var i = 0; i < props.length; i++) {
+      obj[props[i]] = vals[i];
+    }
+
+    return fn.apply(this, arguments);
+  };
+}
+
+// send an OPTIONS response
+function sendOptionsResponse(res, options, next) {
+  try {
+    var body = options.join(',');
+    res.set('Allow', body);
+    res.send(body);
+  } catch (err) {
+    next(err);
+  }
+}
+
+// wrap a function
+function wrap(old, fn) {
+  return function proxy() {
+    var args = new Array(arguments.length + 1);
+
+    args[0] = old;
+    for (var i = 0, len = arguments.length; i < len; i++) {
+      args[i + 1] = arguments[i];
+    }
+
+    fn.apply(this, args);
+  };
+}
diff --git a/node_modules/express/lib/router/layer.js b/node_modules/express/lib/router/layer.js
new file mode 100644
index 000000000..4dc8e86d4
--- /dev/null
+++ b/node_modules/express/lib/router/layer.js
@@ -0,0 +1,181 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2013 Roman Shtylman
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var pathRegexp = require('path-to-regexp');
+var debug = require('debug')('express:router:layer');
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = Layer;
+
+function Layer(path, options, fn) {
+  if (!(this instanceof Layer)) {
+    return new Layer(path, options, fn);
+  }
+
+  debug('new %o', path)
+  var opts = options || {};
+
+  this.handle = fn;
+  this.name = fn.name || '<anonymous>';
+  this.params = undefined;
+  this.path = undefined;
+  this.regexp = pathRegexp(path, this.keys = [], opts);
+
+  // set fast path flags
+  this.regexp.fast_star = path === '*'
+  this.regexp.fast_slash = path === '/' && opts.end === false
+}
+
+/**
+ * Handle the error for the layer.
+ *
+ * @param {Error} error
+ * @param {Request} req
+ * @param {Response} res
+ * @param {function} next
+ * @api private
+ */
+
+Layer.prototype.handle_error = function handle_error(error, req, res, next) {
+  var fn = this.handle;
+
+  if (fn.length !== 4) {
+    // not a standard error handler
+    return next(error);
+  }
+
+  try {
+    fn(error, req, res, next);
+  } catch (err) {
+    next(err);
+  }
+};
+
+/**
+ * Handle the request for the layer.
+ *
+ * @param {Request} req
+ * @param {Response} res
+ * @param {function} next
+ * @api private
+ */
+
+Layer.prototype.handle_request = function handle(req, res, next) {
+  var fn = this.handle;
+
+  if (fn.length > 3) {
+    // not a standard request handler
+    return next();
+  }
+
+  try {
+    fn(req, res, next);
+  } catch (err) {
+    next(err);
+  }
+};
+
+/**
+ * Check if this route matches `path`, if so
+ * populate `.params`.
+ *
+ * @param {String} path
+ * @return {Boolean}
+ * @api private
+ */
+
+Layer.prototype.match = function match(path) {
+  var match
+
+  if (path != null) {
+    // fast path non-ending match for / (any path matches)
+    if (this.regexp.fast_slash) {
+      this.params = {}
+      this.path = ''
+      return true
+    }
+
+    // fast path for * (everything matched in a param)
+    if (this.regexp.fast_star) {
+      this.params = {'0': decode_param(path)}
+      this.path = path
+      return true
+    }
+
+    // match the path
+    match = this.regexp.exec(path)
+  }
+
+  if (!match) {
+    this.params = undefined;
+    this.path = undefined;
+    return false;
+  }
+
+  // store values
+  this.params = {};
+  this.path = match[0]
+
+  var keys = this.keys;
+  var params = this.params;
+
+  for (var i = 1; i < match.length; i++) {
+    var key = keys[i - 1];
+    var prop = key.name;
+    var val = decode_param(match[i])
+
+    if (val !== undefined || !(hasOwnProperty.call(params, prop))) {
+      params[prop] = val;
+    }
+  }
+
+  return true;
+};
+
+/**
+ * Decode param value.
+ *
+ * @param {string} val
+ * @return {string}
+ * @private
+ */
+
+function decode_param(val) {
+  if (typeof val !== 'string' || val.length === 0) {
+    return val;
+  }
+
+  try {
+    return decodeURIComponent(val);
+  } catch (err) {
+    if (err instanceof URIError) {
+      err.message = 'Failed to decode param \'' + val + '\'';
+      err.status = err.statusCode = 400;
+    }
+
+    throw err;
+  }
+}
diff --git a/node_modules/express/lib/router/route.js b/node_modules/express/lib/router/route.js
new file mode 100644
index 000000000..5adaa125e
--- /dev/null
+++ b/node_modules/express/lib/router/route.js
@@ -0,0 +1,225 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2013 Roman Shtylman
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var debug = require('debug')('express:router:route');
+var flatten = require('array-flatten');
+var Layer = require('./layer');
+var methods = require('methods');
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var slice = Array.prototype.slice;
+var toString = Object.prototype.toString;
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = Route;
+
+/**
+ * Initialize `Route` with the given `path`,
+ *
+ * @param {String} path
+ * @public
+ */
+
+function Route(path) {
+  this.path = path;
+  this.stack = [];
+
+  debug('new %o', path)
+
+  // route handlers for various http methods
+  this.methods = {};
+}
+
+/**
+ * Determine if the route handles a given method.
+ * @private
+ */
+
+Route.prototype._handles_method = function _handles_method(method) {
+  if (this.methods._all) {
+    return true;
+  }
+
+  var name = method.toLowerCase();
+
+  if (name === 'head' && !this.methods['head']) {
+    name = 'get';
+  }
+
+  return Boolean(this.methods[name]);
+};
+
+/**
+ * @return {Array} supported HTTP methods
+ * @private
+ */
+
+Route.prototype._options = function _options() {
+  var methods = Object.keys(this.methods);
+
+  // append automatic head
+  if (this.methods.get && !this.methods.head) {
+    methods.push('head');
+  }
+
+  for (var i = 0; i < methods.length; i++) {
+    // make upper case
+    methods[i] = methods[i].toUpperCase();
+  }
+
+  return methods;
+};
+
+/**
+ * dispatch req, res into this route
+ * @private
+ */
+
+Route.prototype.dispatch = function dispatch(req, res, done) {
+  var idx = 0;
+  var stack = this.stack;
+  var sync = 0
+
+  if (stack.length === 0) {
+    return done();
+  }
+
+  var method = req.method.toLowerCase();
+  if (method === 'head' && !this.methods['head']) {
+    method = 'get';
+  }
+
+  req.route = this;
+
+  next();
+
+  function next(err) {
+    // signal to exit route
+    if (err && err === 'route') {
+      return done();
+    }
+
+    // signal to exit router
+    if (err && err === 'router') {
+      return done(err)
+    }
+
+    var layer = stack[idx++];
+    if (!layer) {
+      return done(err);
+    }
+
+    // max sync stack
+    if (++sync > 100) {
+      return setImmediate(next, err)
+    }
+
+    if (layer.method && layer.method !== method) {
+      return next(err);
+    }
+
+    if (err) {
+      layer.handle_error(err, req, res, next);
+    } else {
+      layer.handle_request(req, res, next);
+    }
+
+    sync = 0
+  }
+};
+
+/**
+ * Add a handler for all HTTP verbs to this route.
+ *
+ * Behaves just like middleware and can respond or call `next`
+ * to continue processing.
+ *
+ * You can use multiple `.all` call to add multiple handlers.
+ *
+ *   function check_something(req, res, next){
+ *     next();
+ *   };
+ *
+ *   function validate_user(req, res, next){
+ *     next();
+ *   };
+ *
+ *   route
+ *   .all(validate_user)
+ *   .all(check_something)
+ *   .get(function(req, res, next){
+ *     res.send('hello world');
+ *   });
+ *
+ * @param {function} handler
+ * @return {Route} for chaining
+ * @api public
+ */
+
+Route.prototype.all = function all() {
+  var handles = flatten(slice.call(arguments));
+
+  for (var i = 0; i < handles.length; i++) {
+    var handle = handles[i];
+
+    if (typeof handle !== 'function') {
+      var type = toString.call(handle);
+      var msg = 'Route.all() requires a callback function but got a ' + type
+      throw new TypeError(msg);
+    }
+
+    var layer = Layer('/', {}, handle);
+    layer.method = undefined;
+
+    this.methods._all = true;
+    this.stack.push(layer);
+  }
+
+  return this;
+};
+
+methods.forEach(function(method){
+  Route.prototype[method] = function(){
+    var handles = flatten(slice.call(arguments));
+
+    for (var i = 0; i < handles.length; i++) {
+      var handle = handles[i];
+
+      if (typeof handle !== 'function') {
+        var type = toString.call(handle);
+        var msg = 'Route.' + method + '() requires a callback function but got a ' + type
+        throw new Error(msg);
+      }
+
+      debug('%s %o', method, this.path)
+
+      var layer = Layer('/', {}, handle);
+      layer.method = method;
+
+      this.methods[method] = true;
+      this.stack.push(layer);
+    }
+
+    return this;
+  };
+});
diff --git a/node_modules/express/lib/utils.js b/node_modules/express/lib/utils.js
new file mode 100644
index 000000000..799a6a2b4
--- /dev/null
+++ b/node_modules/express/lib/utils.js
@@ -0,0 +1,304 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ * @api private
+ */
+
+var Buffer = require('safe-buffer').Buffer
+var contentDisposition = require('content-disposition');
+var contentType = require('content-type');
+var deprecate = require('depd')('express');
+var flatten = require('array-flatten');
+var mime = require('send').mime;
+var etag = require('etag');
+var proxyaddr = require('proxy-addr');
+var qs = require('qs');
+var querystring = require('querystring');
+
+/**
+ * Return strong ETag for `body`.
+ *
+ * @param {String|Buffer} body
+ * @param {String} [encoding]
+ * @return {String}
+ * @api private
+ */
+
+exports.etag = createETagGenerator({ weak: false })
+
+/**
+ * Return weak ETag for `body`.
+ *
+ * @param {String|Buffer} body
+ * @param {String} [encoding]
+ * @return {String}
+ * @api private
+ */
+
+exports.wetag = createETagGenerator({ weak: true })
+
+/**
+ * Check if `path` looks absolute.
+ *
+ * @param {String} path
+ * @return {Boolean}
+ * @api private
+ */
+
+exports.isAbsolute = function(path){
+  if ('/' === path[0]) return true;
+  if (':' === path[1] && ('\\' === path[2] || '/' === path[2])) return true; // Windows device path
+  if ('\\\\' === path.substring(0, 2)) return true; // Microsoft Azure absolute path
+};
+
+/**
+ * Flatten the given `arr`.
+ *
+ * @param {Array} arr
+ * @return {Array}
+ * @api private
+ */
+
+exports.flatten = deprecate.function(flatten,
+  'utils.flatten: use array-flatten npm module instead');
+
+/**
+ * Normalize the given `type`, for example "html" becomes "text/html".
+ *
+ * @param {String} type
+ * @return {Object}
+ * @api private
+ */
+
+exports.normalizeType = function(type){
+  return ~type.indexOf('/')
+    ? acceptParams(type)
+    : { value: mime.lookup(type), params: {} };
+};
+
+/**
+ * Normalize `types`, for example "html" becomes "text/html".
+ *
+ * @param {Array} types
+ * @return {Array}
+ * @api private
+ */
+
+exports.normalizeTypes = function(types){
+  var ret = [];
+
+  for (var i = 0; i < types.length; ++i) {
+    ret.push(exports.normalizeType(types[i]));
+  }
+
+  return ret;
+};
+
+/**
+ * Generate Content-Disposition header appropriate for the filename.
+ * non-ascii filenames are urlencoded and a filename* parameter is added
+ *
+ * @param {String} filename
+ * @return {String}
+ * @api private
+ */
+
+exports.contentDisposition = deprecate.function(contentDisposition,
+  'utils.contentDisposition: use content-disposition npm module instead');
+
+/**
+ * Parse accept params `str` returning an
+ * object with `.value`, `.quality` and `.params`.
+ * also includes `.originalIndex` for stable sorting
+ *
+ * @param {String} str
+ * @param {Number} index
+ * @return {Object}
+ * @api private
+ */
+
+function acceptParams(str, index) {
+  var parts = str.split(/ *; */);
+  var ret = { value: parts[0], quality: 1, params: {}, originalIndex: index };
+
+  for (var i = 1; i < parts.length; ++i) {
+    var pms = parts[i].split(/ *= */);
+    if ('q' === pms[0]) {
+      ret.quality = parseFloat(pms[1]);
+    } else {
+      ret.params[pms[0]] = pms[1];
+    }
+  }
+
+  return ret;
+}
+
+/**
+ * Compile "etag" value to function.
+ *
+ * @param  {Boolean|String|Function} val
+ * @return {Function}
+ * @api private
+ */
+
+exports.compileETag = function(val) {
+  var fn;
+
+  if (typeof val === 'function') {
+    return val;
+  }
+
+  switch (val) {
+    case true:
+    case 'weak':
+      fn = exports.wetag;
+      break;
+    case false:
+      break;
+    case 'strong':
+      fn = exports.etag;
+      break;
+    default:
+      throw new TypeError('unknown value for etag function: ' + val);
+  }
+
+  return fn;
+}
+
+/**
+ * Compile "query parser" value to function.
+ *
+ * @param  {String|Function} val
+ * @return {Function}
+ * @api private
+ */
+
+exports.compileQueryParser = function compileQueryParser(val) {
+  var fn;
+
+  if (typeof val === 'function') {
+    return val;
+  }
+
+  switch (val) {
+    case true:
+    case 'simple':
+      fn = querystring.parse;
+      break;
+    case false:
+      fn = newObject;
+      break;
+    case 'extended':
+      fn = parseExtendedQueryString;
+      break;
+    default:
+      throw new TypeError('unknown value for query parser function: ' + val);
+  }
+
+  return fn;
+}
+
+/**
+ * Compile "proxy trust" value to function.
+ *
+ * @param  {Boolean|String|Number|Array|Function} val
+ * @return {Function}
+ * @api private
+ */
+
+exports.compileTrust = function(val) {
+  if (typeof val === 'function') return val;
+
+  if (val === true) {
+    // Support plain true/false
+    return function(){ return true };
+  }
+
+  if (typeof val === 'number') {
+    // Support trusting hop count
+    return function(a, i){ return i < val };
+  }
+
+  if (typeof val === 'string') {
+    // Support comma-separated values
+    val = val.split(',')
+      .map(function (v) { return v.trim() })
+  }
+
+  return proxyaddr.compile(val || []);
+}
+
+/**
+ * Set the charset in a given Content-Type string.
+ *
+ * @param {String} type
+ * @param {String} charset
+ * @return {String}
+ * @api private
+ */
+
+exports.setCharset = function setCharset(type, charset) {
+  if (!type || !charset) {
+    return type;
+  }
+
+  // parse type
+  var parsed = contentType.parse(type);
+
+  // set charset
+  parsed.parameters.charset = charset;
+
+  // format type
+  return contentType.format(parsed);
+};
+
+/**
+ * Create an ETag generator function, generating ETags with
+ * the given options.
+ *
+ * @param {object} options
+ * @return {function}
+ * @private
+ */
+
+function createETagGenerator (options) {
+  return function generateETag (body, encoding) {
+    var buf = !Buffer.isBuffer(body)
+      ? Buffer.from(body, encoding)
+      : body
+
+    return etag(buf, options)
+  }
+}
+
+/**
+ * Parse an extended query string with qs.
+ *
+ * @return {Object}
+ * @private
+ */
+
+function parseExtendedQueryString(str) {
+  return qs.parse(str, {
+    allowPrototypes: true
+  });
+}
+
+/**
+ * Return new empty object.
+ *
+ * @return {Object}
+ * @api private
+ */
+
+function newObject() {
+  return {};
+}
diff --git a/node_modules/express/lib/view.js b/node_modules/express/lib/view.js
new file mode 100644
index 000000000..c08ab4d8d
--- /dev/null
+++ b/node_modules/express/lib/view.js
@@ -0,0 +1,182 @@
+/*!
+ * express
+ * Copyright(c) 2009-2013 TJ Holowaychuk
+ * Copyright(c) 2013 Roman Shtylman
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var debug = require('debug')('express:view');
+var path = require('path');
+var fs = require('fs');
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var dirname = path.dirname;
+var basename = path.basename;
+var extname = path.extname;
+var join = path.join;
+var resolve = path.resolve;
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = View;
+
+/**
+ * Initialize a new `View` with the given `name`.
+ *
+ * Options:
+ *
+ *   - `defaultEngine` the default template engine name
+ *   - `engines` template engine require() cache
+ *   - `root` root path for view lookup
+ *
+ * @param {string} name
+ * @param {object} options
+ * @public
+ */
+
+function View(name, options) {
+  var opts = options || {};
+
+  this.defaultEngine = opts.defaultEngine;
+  this.ext = extname(name);
+  this.name = name;
+  this.root = opts.root;
+
+  if (!this.ext && !this.defaultEngine) {
+    throw new Error('No default engine was specified and no extension was provided.');
+  }
+
+  var fileName = name;
+
+  if (!this.ext) {
+    // get extension from default engine name
+    this.ext = this.defaultEngine[0] !== '.'
+      ? '.' + this.defaultEngine
+      : this.defaultEngine;
+
+    fileName += this.ext;
+  }
+
+  if (!opts.engines[this.ext]) {
+    // load engine
+    var mod = this.ext.slice(1)
+    debug('require "%s"', mod)
+
+    // default engine export
+    var fn = require(mod).__express
+
+    if (typeof fn !== 'function') {
+      throw new Error('Module "' + mod + '" does not provide a view engine.')
+    }
+
+    opts.engines[this.ext] = fn
+  }
+
+  // store loaded engine
+  this.engine = opts.engines[this.ext];
+
+  // lookup path
+  this.path = this.lookup(fileName);
+}
+
+/**
+ * Lookup view by the given `name`
+ *
+ * @param {string} name
+ * @private
+ */
+
+View.prototype.lookup = function lookup(name) {
+  var path;
+  var roots = [].concat(this.root);
+
+  debug('lookup "%s"', name);
+
+  for (var i = 0; i < roots.length && !path; i++) {
+    var root = roots[i];
+
+    // resolve the path
+    var loc = resolve(root, name);
+    var dir = dirname(loc);
+    var file = basename(loc);
+
+    // resolve the file
+    path = this.resolve(dir, file);
+  }
+
+  return path;
+};
+
+/**
+ * Render with the given options.
+ *
+ * @param {object} options
+ * @param {function} callback
+ * @private
+ */
+
+View.prototype.render = function render(options, callback) {
+  debug('render "%s"', this.path);
+  this.engine(this.path, options, callback);
+};
+
+/**
+ * Resolve the file within the given directory.
+ *
+ * @param {string} dir
+ * @param {string} file
+ * @private
+ */
+
+View.prototype.resolve = function resolve(dir, file) {
+  var ext = this.ext;
+
+  // <path>.<ext>
+  var path = join(dir, file);
+  var stat = tryStat(path);
+
+  if (stat && stat.isFile()) {
+    return path;
+  }
+
+  // <path>/index.<ext>
+  path = join(dir, basename(file, ext), 'index' + ext);
+  stat = tryStat(path);
+
+  if (stat && stat.isFile()) {
+    return path;
+  }
+};
+
+/**
+ * Return a stat, maybe.
+ *
+ * @param {string} path
+ * @return {fs.Stats}
+ * @private
+ */
+
+function tryStat(path) {
+  debug('stat "%s"', path);
+
+  try {
+    return fs.statSync(path);
+  } catch (e) {
+    return undefined;
+  }
+}
diff --git a/node_modules/express/node_modules/cookie/HISTORY.md b/node_modules/express/node_modules/cookie/HISTORY.md
new file mode 100644
index 000000000..ae9b995b4
--- /dev/null
+++ b/node_modules/express/node_modules/cookie/HISTORY.md
@@ -0,0 +1,142 @@
+0.5.0 / 2022-04-11
+==================
+
+  * Add `priority` option
+  * Fix `expires` option to reject invalid dates
+  * pref: improve default decode speed
+  * pref: remove slow string split in parse
+
+0.4.2 / 2022-02-02
+==================
+
+  * pref: read value only when assigning in parse
+  * pref: remove unnecessary regexp in parse
+
+0.4.1 / 2020-04-21
+==================
+
+  * Fix `maxAge` option to reject invalid values
+
+0.4.0 / 2019-05-15
+==================
+
+  * Add `SameSite=None` support
+
+0.3.1 / 2016-05-26
+==================
+
+  * Fix `sameSite: true` to work with draft-7 clients
+    - `true` now sends `SameSite=Strict` instead of `SameSite`
+
+0.3.0 / 2016-05-26
+==================
+
+  * Add `sameSite` option
+    - Replaces `firstPartyOnly` option, never implemented by browsers
+  * Improve error message when `encode` is not a function
+  * Improve error message when `expires` is not a `Date`
+
+0.2.4 / 2016-05-20
+==================
+
+  * perf: enable strict mode
+  * perf: use for loop in parse
+  * perf: use string concatination for serialization
+
+0.2.3 / 2015-10-25
+==================
+
+  * Fix cookie `Max-Age` to never be a floating point number
+
+0.2.2 / 2015-09-17
+==================
+
+  * Fix regression when setting empty cookie value
+    - Ease the new restriction, which is just basic header-level validation
+  * Fix typo in invalid value errors
+
+0.2.1 / 2015-09-17
+==================
+
+  * Throw on invalid values provided to `serialize`
+    - Ensures the resulting string is a valid HTTP header value
+
+0.2.0 / 2015-08-13
+==================
+
+  * Add `firstPartyOnly` option
+  * Throw better error for invalid argument to parse
+  * perf: hoist regular expression
+
+0.1.5 / 2015-09-17
+==================
+
+  * Fix regression when setting empty cookie value
+    - Ease the new restriction, which is just basic header-level validation
+  * Fix typo in invalid value errors
+
+0.1.4 / 2015-09-17
+==================
+
+  * Throw better error for invalid argument to parse
+  * Throw on invalid values provided to `serialize`
+    - Ensures the resulting string is a valid HTTP header value
+
+0.1.3 / 2015-05-19
+==================
+
+  * Reduce the scope of try-catch deopt
+  * Remove argument reassignments
+
+0.1.2 / 2014-04-16
+==================
+
+  * Remove unnecessary files from npm package
+
+0.1.1 / 2014-02-23
+==================
+
+  * Fix bad parse when cookie value contained a comma
+  * Fix support for `maxAge` of `0`
+
+0.1.0 / 2013-05-01
+==================
+
+  * Add `decode` option
+  * Add `encode` option
+
+0.0.6 / 2013-04-08
+==================
+
+  * Ignore cookie parts missing `=`
+
+0.0.5 / 2012-10-29
+==================
+
+  * Return raw cookie value if value unescape errors
+
+0.0.4 / 2012-06-21
+==================
+
+  * Use encode/decodeURIComponent for cookie encoding/decoding
+    - Improve server/client interoperability
+
+0.0.3 / 2012-06-06
+==================
+
+  * Only escape special characters per the cookie RFC
+
+0.0.2 / 2012-06-01
+==================
+
+  * Fix `maxAge` option to not throw error
+
+0.0.1 / 2012-05-28
+==================
+
+  * Add more tests
+
+0.0.0 / 2012-05-28
+==================
+
+  * Initial release
diff --git a/node_modules/express/node_modules/cookie/LICENSE b/node_modules/express/node_modules/cookie/LICENSE
new file mode 100644
index 000000000..058b6b4ef
--- /dev/null
+++ b/node_modules/express/node_modules/cookie/LICENSE
@@ -0,0 +1,24 @@
+(The MIT License)
+
+Copyright (c) 2012-2014 Roman Shtylman <shtylman@gmail.com>
+Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/node_modules/express/node_modules/cookie/README.md b/node_modules/express/node_modules/cookie/README.md
new file mode 100644
index 000000000..5449c3a25
--- /dev/null
+++ b/node_modules/express/node_modules/cookie/README.md
@@ -0,0 +1,302 @@
+# cookie
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][github-actions-ci-image]][github-actions-ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Basic HTTP cookie parser and serializer for HTTP servers.
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install cookie
+```
+
+## API
+
+```js
+var cookie = require('cookie');
+```
+
+### cookie.parse(str, options)
+
+Parse an HTTP `Cookie` header string and returning an object of all cookie name-value pairs.
+The `str` argument is the string representing a `Cookie` header value and `options` is an
+optional object containing additional parsing options.
+
+```js
+var cookies = cookie.parse('foo=bar; equation=E%3Dmc%5E2');
+// { foo: 'bar', equation: 'E=mc^2' }
+```
+
+#### Options
+
+`cookie.parse` accepts these properties in the options object.
+
+##### decode
+
+Specifies a function that will be used to decode a cookie's value. Since the value of a cookie
+has a limited character set (and must be a simple string), this function can be used to decode
+a previously-encoded cookie value into a JavaScript string or other object.
+
+The default function is the global `decodeURIComponent`, which will decode any URL-encoded
+sequences into their byte representations.
+
+**note** if an error is thrown from this function, the original, non-decoded cookie value will
+be returned as the cookie's value.
+
+### cookie.serialize(name, value, options)
+
+Serialize a cookie name-value pair into a `Set-Cookie` header string. The `name` argument is the
+name for the cookie, the `value` argument is the value to set the cookie to, and the `options`
+argument is an optional object containing additional serialization options.
+
+```js
+var setCookie = cookie.serialize('foo', 'bar');
+// foo=bar
+```
+
+#### Options
+
+`cookie.serialize` accepts these properties in the options object.
+
+##### domain
+
+Specifies the value for the [`Domain` `Set-Cookie` attribute][rfc-6265-5.2.3]. By default, no
+domain is set, and most clients will consider the cookie to apply to only the current domain.
+
+##### encode
+
+Specifies a function that will be used to encode a cookie's value. Since value of a cookie
+has a limited character set (and must be a simple string), this function can be used to encode
+a value into a string suited for a cookie's value.
+
+The default function is the global `encodeURIComponent`, which will encode a JavaScript string
+into UTF-8 byte sequences and then URL-encode any that fall outside of the cookie range.
+
+##### expires
+
+Specifies the `Date` object to be the value for the [`Expires` `Set-Cookie` attribute][rfc-6265-5.2.1].
+By default, no expiration is set, and most clients will consider this a "non-persistent cookie" and
+will delete it on a condition like exiting a web browser application.
+
+**note** the [cookie storage model specification][rfc-6265-5.3] states that if both `expires` and
+`maxAge` are set, then `maxAge` takes precedence, but it is possible not all clients by obey this,
+so if both are set, they should point to the same date and time.
+
+##### httpOnly
+
+Specifies the `boolean` value for the [`HttpOnly` `Set-Cookie` attribute][rfc-6265-5.2.6]. When truthy,
+the `HttpOnly` attribute is set, otherwise it is not. By default, the `HttpOnly` attribute is not set.
+
+**note** be careful when setting this to `true`, as compliant clients will not allow client-side
+JavaScript to see the cookie in `document.cookie`.
+
+##### maxAge
+
+Specifies the `number` (in seconds) to be the value for the [`Max-Age` `Set-Cookie` attribute][rfc-6265-5.2.2].
+The given number will be converted to an integer by rounding down. By default, no maximum age is set.
+
+**note** the [cookie storage model specification][rfc-6265-5.3] states that if both `expires` and
+`maxAge` are set, then `maxAge` takes precedence, but it is possible not all clients by obey this,
+so if both are set, they should point to the same date and time.
+
+##### path
+
+Specifies the value for the [`Path` `Set-Cookie` attribute][rfc-6265-5.2.4]. By default, the path
+is considered the ["default path"][rfc-6265-5.1.4].
+
+##### priority
+
+Specifies the `string` to be the value for the [`Priority` `Set-Cookie` attribute][rfc-west-cookie-priority-00-4.1].
+
+  - `'low'` will set the `Priority` attribute to `Low`.
+  - `'medium'` will set the `Priority` attribute to `Medium`, the default priority when not set.
+  - `'high'` will set the `Priority` attribute to `High`.
+
+More information about the different priority levels can be found in
+[the specification][rfc-west-cookie-priority-00-4.1].
+
+**note** This is an attribute that has not yet been fully standardized, and may change in the future.
+This also means many clients may ignore this attribute until they understand it.
+
+##### sameSite
+
+Specifies the `boolean` or `string` to be the value for the [`SameSite` `Set-Cookie` attribute][rfc-6265bis-09-5.4.7].
+
+  - `true` will set the `SameSite` attribute to `Strict` for strict same site enforcement.
+  - `false` will not set the `SameSite` attribute.
+  - `'lax'` will set the `SameSite` attribute to `Lax` for lax same site enforcement.
+  - `'none'` will set the `SameSite` attribute to `None` for an explicit cross-site cookie.
+  - `'strict'` will set the `SameSite` attribute to `Strict` for strict same site enforcement.
+
+More information about the different enforcement levels can be found in
+[the specification][rfc-6265bis-09-5.4.7].
+
+**note** This is an attribute that has not yet been fully standardized, and may change in the future.
+This also means many clients may ignore this attribute until they understand it.
+
+##### secure
+
+Specifies the `boolean` value for the [`Secure` `Set-Cookie` attribute][rfc-6265-5.2.5]. When truthy,
+the `Secure` attribute is set, otherwise it is not. By default, the `Secure` attribute is not set.
+
+**note** be careful when setting this to `true`, as compliant clients will not send the cookie back to
+the server in the future if the browser does not have an HTTPS connection.
+
+## Example
+
+The following example uses this module in conjunction with the Node.js core HTTP server
+to prompt a user for their name and display it back on future visits.
+
+```js
+var cookie = require('cookie');
+var escapeHtml = require('escape-html');
+var http = require('http');
+var url = require('url');
+
+function onRequest(req, res) {
+  // Parse the query string
+  var query = url.parse(req.url, true, true).query;
+
+  if (query && query.name) {
+    // Set a new cookie with the name
+    res.setHeader('Set-Cookie', cookie.serialize('name', String(query.name), {
+      httpOnly: true,
+      maxAge: 60 * 60 * 24 * 7 // 1 week
+    }));
+
+    // Redirect back after setting cookie
+    res.statusCode = 302;
+    res.setHeader('Location', req.headers.referer || '/');
+    res.end();
+    return;
+  }
+
+  // Parse the cookies on the request
+  var cookies = cookie.parse(req.headers.cookie || '');
+
+  // Get the visitor name set in the cookie
+  var name = cookies.name;
+
+  res.setHeader('Content-Type', 'text/html; charset=UTF-8');
+
+  if (name) {
+    res.write('<p>Welcome back, <b>' + escapeHtml(name) + '</b>!</p>');
+  } else {
+    res.write('<p>Hello, new visitor!</p>');
+  }
+
+  res.write('<form method="GET">');
+  res.write('<input placeholder="enter your name" name="name"> <input type="submit" value="Set Name">');
+  res.end('</form>');
+}
+
+http.createServer(onRequest).listen(3000);
+```
+
+## Testing
+
+```sh
+$ npm test
+```
+
+## Benchmark
+
+```
+$ npm run bench
+
+> cookie@0.4.2 bench
+> node benchmark/index.js
+
+  node@16.14.0
+  v8@9.4.146.24-node.20
+  uv@1.43.0
+  zlib@1.2.11
+  brotli@1.0.9
+  ares@1.18.1
+  modules@93
+  nghttp2@1.45.1
+  napi@8
+  llhttp@6.0.4
+  openssl@1.1.1m+quic
+  cldr@40.0
+  icu@70.1
+  tz@2021a3
+  unicode@14.0
+  ngtcp2@0.1.0-DEV
+  nghttp3@0.1.0-DEV
+
+> node benchmark/parse-top.js
+
+  cookie.parse - top sites
+
+  15 tests completed.
+
+  parse accounts.google.com x 2,421,245 ops/sec ±0.80% (188 runs sampled)
+  parse apple.com           x 2,684,710 ops/sec ±0.59% (189 runs sampled)
+  parse cloudflare.com      x 2,231,418 ops/sec ±0.76% (186 runs sampled)
+  parse docs.google.com     x 2,316,357 ops/sec ±1.28% (187 runs sampled)
+  parse drive.google.com    x 2,363,543 ops/sec ±0.49% (189 runs sampled)
+  parse en.wikipedia.org    x   839,414 ops/sec ±0.53% (189 runs sampled)
+  parse linkedin.com        x   553,797 ops/sec ±0.63% (190 runs sampled)
+  parse maps.google.com     x 1,314,779 ops/sec ±0.72% (189 runs sampled)
+  parse microsoft.com       x   153,783 ops/sec ±0.53% (190 runs sampled)
+  parse play.google.com     x 2,249,574 ops/sec ±0.59% (187 runs sampled)
+  parse plus.google.com     x 2,258,682 ops/sec ±0.60% (188 runs sampled)
+  parse sites.google.com    x 2,247,069 ops/sec ±0.68% (189 runs sampled)
+  parse support.google.com  x 1,456,840 ops/sec ±0.70% (187 runs sampled)
+  parse www.google.com      x 1,046,028 ops/sec ±0.58% (188 runs sampled)
+  parse youtu.be            x   937,428 ops/sec ±1.47% (190 runs sampled)
+  parse youtube.com         x   963,878 ops/sec ±0.59% (190 runs sampled)
+
+> node benchmark/parse.js
+
+  cookie.parse - generic
+
+  6 tests completed.
+
+  simple      x 2,745,604 ops/sec ±0.77% (185 runs sampled)
+  decode      x   557,287 ops/sec ±0.60% (188 runs sampled)
+  unquote     x 2,498,475 ops/sec ±0.55% (189 runs sampled)
+  duplicates  x   868,591 ops/sec ±0.89% (187 runs sampled)
+  10 cookies  x   306,745 ops/sec ±0.49% (190 runs sampled)
+  100 cookies x    22,414 ops/sec ±2.38% (182 runs sampled)
+```
+
+## References
+
+- [RFC 6265: HTTP State Management Mechanism][rfc-6265]
+- [Same-site Cookies][rfc-6265bis-09-5.4.7]
+
+[rfc-west-cookie-priority-00-4.1]: https://tools.ietf.org/html/draft-west-cookie-priority-00#section-4.1
+[rfc-6265bis-09-5.4.7]: https://tools.ietf.org/html/draft-ietf-httpbis-rfc6265bis-09#section-5.4.7
+[rfc-6265]: https://tools.ietf.org/html/rfc6265
+[rfc-6265-5.1.4]: https://tools.ietf.org/html/rfc6265#section-5.1.4
+[rfc-6265-5.2.1]: https://tools.ietf.org/html/rfc6265#section-5.2.1
+[rfc-6265-5.2.2]: https://tools.ietf.org/html/rfc6265#section-5.2.2
+[rfc-6265-5.2.3]: https://tools.ietf.org/html/rfc6265#section-5.2.3
+[rfc-6265-5.2.4]: https://tools.ietf.org/html/rfc6265#section-5.2.4
+[rfc-6265-5.2.5]: https://tools.ietf.org/html/rfc6265#section-5.2.5
+[rfc-6265-5.2.6]: https://tools.ietf.org/html/rfc6265#section-5.2.6
+[rfc-6265-5.3]: https://tools.ietf.org/html/rfc6265#section-5.3
+
+## License
+
+[MIT](LICENSE)
+
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/cookie/master
+[coveralls-url]: https://coveralls.io/r/jshttp/cookie?branch=master
+[github-actions-ci-image]: https://img.shields.io/github/workflow/status/jshttp/cookie/ci/master?label=ci
+[github-actions-ci-url]: https://github.com/jshttp/cookie/actions/workflows/ci.yml
+[node-version-image]: https://badgen.net/npm/node/cookie
+[node-version-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/cookie
+[npm-url]: https://npmjs.org/package/cookie
+[npm-version-image]: https://badgen.net/npm/v/cookie
diff --git a/node_modules/express/node_modules/cookie/SECURITY.md b/node_modules/express/node_modules/cookie/SECURITY.md
new file mode 100644
index 000000000..fd4a6c53a
--- /dev/null
+++ b/node_modules/express/node_modules/cookie/SECURITY.md
@@ -0,0 +1,25 @@
+# Security Policies and Procedures
+
+## Reporting a Bug
+
+The `cookie` team and community take all security bugs seriously. Thank
+you for improving the security of the project. We appreciate your efforts and
+responsible disclosure and will make every effort to acknowledge your
+contributions.
+
+Report security bugs by emailing the current owner(s) of `cookie`. This
+information can be found in the npm registry using the command
+`npm owner ls cookie`.
+If unsure or unable to get the information from the above, open an issue
+in the [project issue tracker](https://github.com/jshttp/cookie/issues)
+asking for the current contact information.
+
+To ensure the timely response to your report, please ensure that the entirety
+of the report is contained within the email body and not solely behind a web
+link or an attachment.
+
+At least one owner will acknowledge your email within 48 hours, and will send a
+more detailed response within 48 hours indicating the next steps in handling
+your report. After the initial reply to your report, the owners will
+endeavor to keep you informed of the progress towards a fix and full
+announcement, and may ask for additional information or guidance.
diff --git a/node_modules/express/node_modules/cookie/index.js b/node_modules/express/node_modules/cookie/index.js
new file mode 100644
index 000000000..9c3d07d89
--- /dev/null
+++ b/node_modules/express/node_modules/cookie/index.js
@@ -0,0 +1,270 @@
+/*!
+ * cookie
+ * Copyright(c) 2012-2014 Roman Shtylman
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module exports.
+ * @public
+ */
+
+exports.parse = parse;
+exports.serialize = serialize;
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var __toString = Object.prototype.toString
+
+/**
+ * RegExp to match field-content in RFC 7230 sec 3.2
+ *
+ * field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ]
+ * field-vchar   = VCHAR / obs-text
+ * obs-text      = %x80-FF
+ */
+
+var fieldContentRegExp = /^[\u0009\u0020-\u007e\u0080-\u00ff]+$/;
+
+/**
+ * Parse a cookie header.
+ *
+ * Parse the given cookie header string into an object
+ * The object has the various cookies as keys(names) => values
+ *
+ * @param {string} str
+ * @param {object} [options]
+ * @return {object}
+ * @public
+ */
+
+function parse(str, options) {
+  if (typeof str !== 'string') {
+    throw new TypeError('argument str must be a string');
+  }
+
+  var obj = {}
+  var opt = options || {};
+  var dec = opt.decode || decode;
+
+  var index = 0
+  while (index < str.length) {
+    var eqIdx = str.indexOf('=', index)
+
+    // no more cookie pairs
+    if (eqIdx === -1) {
+      break
+    }
+
+    var endIdx = str.indexOf(';', index)
+
+    if (endIdx === -1) {
+      endIdx = str.length
+    } else if (endIdx < eqIdx) {
+      // backtrack on prior semicolon
+      index = str.lastIndexOf(';', eqIdx - 1) + 1
+      continue
+    }
+
+    var key = str.slice(index, eqIdx).trim()
+
+    // only assign once
+    if (undefined === obj[key]) {
+      var val = str.slice(eqIdx + 1, endIdx).trim()
+
+      // quoted values
+      if (val.charCodeAt(0) === 0x22) {
+        val = val.slice(1, -1)
+      }
+
+      obj[key] = tryDecode(val, dec);
+    }
+
+    index = endIdx + 1
+  }
+
+  return obj;
+}
+
+/**
+ * Serialize data into a cookie header.
+ *
+ * Serialize the a name value pair into a cookie string suitable for
+ * http headers. An optional options object specified cookie parameters.
+ *
+ * serialize('foo', 'bar', { httpOnly: true })
+ *   => "foo=bar; httpOnly"
+ *
+ * @param {string} name
+ * @param {string} val
+ * @param {object} [options]
+ * @return {string}
+ * @public
+ */
+
+function serialize(name, val, options) {
+  var opt = options || {};
+  var enc = opt.encode || encode;
+
+  if (typeof enc !== 'function') {
+    throw new TypeError('option encode is invalid');
+  }
+
+  if (!fieldContentRegExp.test(name)) {
+    throw new TypeError('argument name is invalid');
+  }
+
+  var value = enc(val);
+
+  if (value && !fieldContentRegExp.test(value)) {
+    throw new TypeError('argument val is invalid');
+  }
+
+  var str = name + '=' + value;
+
+  if (null != opt.maxAge) {
+    var maxAge = opt.maxAge - 0;
+
+    if (isNaN(maxAge) || !isFinite(maxAge)) {
+      throw new TypeError('option maxAge is invalid')
+    }
+
+    str += '; Max-Age=' + Math.floor(maxAge);
+  }
+
+  if (opt.domain) {
+    if (!fieldContentRegExp.test(opt.domain)) {
+      throw new TypeError('option domain is invalid');
+    }
+
+    str += '; Domain=' + opt.domain;
+  }
+
+  if (opt.path) {
+    if (!fieldContentRegExp.test(opt.path)) {
+      throw new TypeError('option path is invalid');
+    }
+
+    str += '; Path=' + opt.path;
+  }
+
+  if (opt.expires) {
+    var expires = opt.expires
+
+    if (!isDate(expires) || isNaN(expires.valueOf())) {
+      throw new TypeError('option expires is invalid');
+    }
+
+    str += '; Expires=' + expires.toUTCString()
+  }
+
+  if (opt.httpOnly) {
+    str += '; HttpOnly';
+  }
+
+  if (opt.secure) {
+    str += '; Secure';
+  }
+
+  if (opt.priority) {
+    var priority = typeof opt.priority === 'string'
+      ? opt.priority.toLowerCase()
+      : opt.priority
+
+    switch (priority) {
+      case 'low':
+        str += '; Priority=Low'
+        break
+      case 'medium':
+        str += '; Priority=Medium'
+        break
+      case 'high':
+        str += '; Priority=High'
+        break
+      default:
+        throw new TypeError('option priority is invalid')
+    }
+  }
+
+  if (opt.sameSite) {
+    var sameSite = typeof opt.sameSite === 'string'
+      ? opt.sameSite.toLowerCase() : opt.sameSite;
+
+    switch (sameSite) {
+      case true:
+        str += '; SameSite=Strict';
+        break;
+      case 'lax':
+        str += '; SameSite=Lax';
+        break;
+      case 'strict':
+        str += '; SameSite=Strict';
+        break;
+      case 'none':
+        str += '; SameSite=None';
+        break;
+      default:
+        throw new TypeError('option sameSite is invalid');
+    }
+  }
+
+  return str;
+}
+
+/**
+ * URL-decode string value. Optimized to skip native call when no %.
+ *
+ * @param {string} str
+ * @returns {string}
+ */
+
+function decode (str) {
+  return str.indexOf('%') !== -1
+    ? decodeURIComponent(str)
+    : str
+}
+
+/**
+ * URL-encode value.
+ *
+ * @param {string} str
+ * @returns {string}
+ */
+
+function encode (val) {
+  return encodeURIComponent(val)
+}
+
+/**
+ * Determine if value is a Date.
+ *
+ * @param {*} val
+ * @private
+ */
+
+function isDate (val) {
+  return __toString.call(val) === '[object Date]' ||
+    val instanceof Date
+}
+
+/**
+ * Try decoding a string using a decoding function.
+ *
+ * @param {string} str
+ * @param {function} decode
+ * @private
+ */
+
+function tryDecode(str, decode) {
+  try {
+    return decode(str);
+  } catch (e) {
+    return str;
+  }
+}
diff --git a/node_modules/express/node_modules/cookie/package.json b/node_modules/express/node_modules/cookie/package.json
new file mode 100644
index 000000000..ed5606a98
--- /dev/null
+++ b/node_modules/express/node_modules/cookie/package.json
@@ -0,0 +1,44 @@
+{
+  "name": "cookie",
+  "description": "HTTP server cookie parsing and serialization",
+  "version": "0.5.0",
+  "author": "Roman Shtylman <shtylman@gmail.com>",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "cookie",
+    "cookies"
+  ],
+  "repository": "jshttp/cookie",
+  "devDependencies": {
+    "beautify-benchmark": "0.2.4",
+    "benchmark": "2.1.4",
+    "eslint": "7.32.0",
+    "eslint-plugin-markdown": "2.2.1",
+    "mocha": "9.2.2",
+    "nyc": "15.1.0",
+    "safe-buffer": "5.2.1",
+    "top-sites": "1.1.97"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "README.md",
+    "SECURITY.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "bench": "node benchmark/index.js",
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "update-bench": "node scripts/update-benchmark.js",
+    "version": "node scripts/version-history.js && git add HISTORY.md"
+  }
+}
diff --git a/node_modules/express/package.json b/node_modules/express/package.json
new file mode 100644
index 000000000..f5872a533
--- /dev/null
+++ b/node_modules/express/package.json
@@ -0,0 +1,99 @@
+{
+  "name": "express",
+  "description": "Fast, unopinionated, minimalist web framework",
+  "version": "4.18.1",
+  "author": "TJ Holowaychuk <tj@vision-media.ca>",
+  "contributors": [
+    "Aaron Heckmann <aaron.heckmann+github@gmail.com>",
+    "Ciaran Jessup <ciaranj@gmail.com>",
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Guillermo Rauch <rauchg@gmail.com>",
+    "Jonathan Ong <me@jongleberry.com>",
+    "Roman Shtylman <shtylman+expressjs@gmail.com>",
+    "Young Jae Sim <hanul@hanul.me>"
+  ],
+  "license": "MIT",
+  "repository": "expressjs/express",
+  "homepage": "http://expressjs.com/",
+  "keywords": [
+    "express",
+    "framework",
+    "sinatra",
+    "web",
+    "http",
+    "rest",
+    "restful",
+    "router",
+    "app",
+    "api"
+  ],
+  "dependencies": {
+    "accepts": "~1.3.8",
+    "array-flatten": "1.1.1",
+    "body-parser": "1.20.0",
+    "content-disposition": "0.5.4",
+    "content-type": "~1.0.4",
+    "cookie": "0.5.0",
+    "cookie-signature": "1.0.6",
+    "debug": "2.6.9",
+    "depd": "2.0.0",
+    "encodeurl": "~1.0.2",
+    "escape-html": "~1.0.3",
+    "etag": "~1.8.1",
+    "finalhandler": "1.2.0",
+    "fresh": "0.5.2",
+    "http-errors": "2.0.0",
+    "merge-descriptors": "1.0.1",
+    "methods": "~1.1.2",
+    "on-finished": "2.4.1",
+    "parseurl": "~1.3.3",
+    "path-to-regexp": "0.1.7",
+    "proxy-addr": "~2.0.7",
+    "qs": "6.10.3",
+    "range-parser": "~1.2.1",
+    "safe-buffer": "5.2.1",
+    "send": "0.18.0",
+    "serve-static": "1.15.0",
+    "setprototypeof": "1.2.0",
+    "statuses": "2.0.1",
+    "type-is": "~1.6.18",
+    "utils-merge": "1.0.1",
+    "vary": "~1.1.2"
+  },
+  "devDependencies": {
+    "after": "0.8.2",
+    "connect-redis": "3.4.2",
+    "cookie-parser": "1.4.6",
+    "cookie-session": "2.0.0",
+    "ejs": "3.1.7",
+    "eslint": "7.32.0",
+    "express-session": "1.17.2",
+    "hbs": "4.2.0",
+    "marked": "0.7.0",
+    "method-override": "3.0.0",
+    "mocha": "9.2.2",
+    "morgan": "1.10.0",
+    "multiparty": "4.2.3",
+    "nyc": "15.1.0",
+    "pbkdf2-password": "1.2.1",
+    "supertest": "6.2.3",
+    "vhost": "~3.0.2"
+  },
+  "engines": {
+    "node": ">= 0.10.0"
+  },
+  "files": [
+    "LICENSE",
+    "History.md",
+    "Readme.md",
+    "index.js",
+    "lib/"
+  ],
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --require test/support/env --reporter spec --bail --check-leaks test/ test/acceptance/",
+    "test-ci": "nyc --reporter=lcovonly --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "test-tap": "mocha --require test/support/env --reporter tap --check-leaks test/ test/acceptance/"
+  }
+}
diff --git a/node_modules/extend/.editorconfig b/node_modules/extend/.editorconfig
new file mode 100644
index 000000000..bc228f826
--- /dev/null
+++ b/node_modules/extend/.editorconfig
@@ -0,0 +1,20 @@
+root = true
+
+[*]
+indent_style = tab
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 150
+
+[CHANGELOG.md]
+indent_style = space
+indent_size = 2
+
+[*.json]
+max_line_length = off
+
+[Makefile]
+max_line_length = off
diff --git a/node_modules/extend/.eslintrc b/node_modules/extend/.eslintrc
new file mode 100644
index 000000000..a34cf2831
--- /dev/null
+++ b/node_modules/extend/.eslintrc
@@ -0,0 +1,17 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"complexity": [2, 20],
+		"eqeqeq": [2, "allow-null"],
+		"func-name-matching": [1],
+		"max-depth": [1, 4],
+		"max-statements": [2, 26],
+		"no-extra-parens": [1],
+		"no-magic-numbers": [0],
+		"no-restricted-syntax": [2, "BreakStatement", "ContinueStatement", "DebuggerStatement", "LabeledStatement", "WithStatement"],
+		"sort-keys": [0],
+	}
+}
diff --git a/node_modules/extend/.jscs.json b/node_modules/extend/.jscs.json
new file mode 100644
index 000000000..3cce01d78
--- /dev/null
+++ b/node_modules/extend/.jscs.json
@@ -0,0 +1,175 @@
+{
+	"es3": true,
+
+	"additionalRules": [],
+
+	"requireSemicolons": true,
+
+	"disallowMultipleSpaces": true,
+
+	"disallowIdentifierNames": [],
+
+	"requireCurlyBraces": {
+		"allExcept": [],
+		"keywords": ["if", "else", "for", "while", "do", "try", "catch"]
+	},
+
+	"requireSpaceAfterKeywords": ["if", "else", "for", "while", "do", "switch", "return", "try", "catch", "function"],
+
+	"disallowSpaceAfterKeywords": [],
+
+	"disallowSpaceBeforeComma": true,
+	"disallowSpaceAfterComma": false,
+	"disallowSpaceBeforeSemicolon": true,
+
+	"disallowNodeTypes": [
+		"DebuggerStatement",
+		"LabeledStatement",
+		"SwitchCase",
+		"SwitchStatement",
+		"WithStatement"
+	],
+
+	"requireObjectKeysOnNewLine": { "allExcept": ["sameLine"] },
+
+	"requireSpacesInAnonymousFunctionExpression": { "beforeOpeningRoundBrace": true, "beforeOpeningCurlyBrace": true },
+	"requireSpacesInNamedFunctionExpression": { "beforeOpeningCurlyBrace": true },
+	"disallowSpacesInNamedFunctionExpression": { "beforeOpeningRoundBrace": true },
+	"requireSpacesInFunctionDeclaration": { "beforeOpeningCurlyBrace": true },
+	"disallowSpacesInFunctionDeclaration": { "beforeOpeningRoundBrace": true },
+
+	"requireSpaceBetweenArguments": true,
+
+	"disallowSpacesInsideParentheses": true,
+
+	"disallowSpacesInsideArrayBrackets": true,
+
+	"disallowQuotedKeysInObjects": { "allExcept": ["reserved"] },
+
+	"disallowSpaceAfterObjectKeys": true,
+
+	"requireCommaBeforeLineBreak": true,
+
+	"disallowSpaceAfterPrefixUnaryOperators": ["++", "--", "+", "-", "~", "!"],
+	"requireSpaceAfterPrefixUnaryOperators": [],
+
+	"disallowSpaceBeforePostfixUnaryOperators": ["++", "--"],
+	"requireSpaceBeforePostfixUnaryOperators": [],
+
+	"disallowSpaceBeforeBinaryOperators": [],
+	"requireSpaceBeforeBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
+
+	"requireSpaceAfterBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
+	"disallowSpaceAfterBinaryOperators": [],
+
+	"disallowImplicitTypeConversion": ["binary", "string"],
+
+	"disallowKeywords": ["with", "eval"],
+
+	"requireKeywordsOnNewLine": [],
+	"disallowKeywordsOnNewLine": ["else"],
+
+	"requireLineFeedAtFileEnd": true,
+
+	"disallowTrailingWhitespace": true,
+
+	"disallowTrailingComma": true,
+
+	"excludeFiles": ["node_modules/**", "vendor/**"],
+
+	"disallowMultipleLineStrings": true,
+
+	"requireDotNotation": { "allExcept": ["keywords"] },
+
+	"requireParenthesesAroundIIFE": true,
+
+	"validateLineBreaks": "LF",
+
+	"validateQuoteMarks": {
+		"escape": true,
+		"mark": "'"
+	},
+
+	"disallowOperatorBeforeLineBreak": [],
+
+	"requireSpaceBeforeKeywords": [
+		"do",
+		"for",
+		"if",
+		"else",
+		"switch",
+		"case",
+		"try",
+		"catch",
+		"finally",
+		"while",
+		"with",
+		"return"
+	],
+
+	"validateAlignedFunctionParameters": {
+		"lineBreakAfterOpeningBraces": true,
+		"lineBreakBeforeClosingBraces": true
+	},
+
+	"requirePaddingNewLinesBeforeExport": true,
+
+	"validateNewlineAfterArrayElements": {
+		"maximum": 6
+	},
+
+	"requirePaddingNewLinesAfterUseStrict": true,
+
+	"disallowArrowFunctions": true,
+
+	"disallowMultiLineTernary": true,
+
+	"validateOrderInObjectKeys": false,
+
+	"disallowIdenticalDestructuringNames": true,
+
+	"disallowNestedTernaries": { "maxLevel": 1 },
+
+	"requireSpaceAfterComma": { "allExcept": ["trailing"] },
+	"requireAlignedMultilineParams": false,
+
+	"requireSpacesInGenerator": {
+		"afterStar": true
+	},
+
+	"disallowSpacesInGenerator": {
+		"beforeStar": true
+	},
+
+	"disallowVar": false,
+
+	"requireArrayDestructuring": false,
+
+	"requireEnhancedObjectLiterals": false,
+
+	"requireObjectDestructuring": false,
+
+	"requireEarlyReturn": false,
+
+	"requireCapitalizedConstructorsNew": {
+		"allExcept": ["Function", "String", "Object", "Symbol", "Number", "Date", "RegExp", "Error", "Boolean", "Array"]
+	},
+
+	"requireImportAlphabetized": false,
+
+	"requireSpaceBeforeObjectValues": true,
+	"requireSpaceBeforeDestructuredValues": true,
+
+	"disallowSpacesInsideTemplateStringPlaceholders": true,
+
+	"disallowArrayDestructuringReturn": false,
+
+	"requireNewlineBeforeSingleStatementsInIf": false,
+
+	"disallowUnusedVariables": true,
+
+	"requireSpacesInsideImportedObjectBraces": true,
+
+	"requireUseStrict": true
+}
+
diff --git a/node_modules/extend/.travis.yml b/node_modules/extend/.travis.yml
new file mode 100644
index 000000000..5ccdfc494
--- /dev/null
+++ b/node_modules/extend/.travis.yml
@@ -0,0 +1,230 @@
+language: node_js
+os:
+ - linux
+node_js:
+  - "10.7"
+  - "9.11"
+  - "8.11"
+  - "7.10"
+  - "6.14"
+  - "5.12"
+  - "4.9"
+  - "iojs-v3.3"
+  - "iojs-v2.5"
+  - "iojs-v1.8"
+  - "0.12"
+  - "0.10"
+  - "0.8"
+before_install:
+  - 'case "${TRAVIS_NODE_VERSION}" in 0.*) export NPM_CONFIG_STRICT_SSL=false ;; esac'
+  - 'nvm install-latest-npm'
+install:
+  - 'if [ "${TRAVIS_NODE_VERSION}" = "0.6" ] || [ "${TRAVIS_NODE_VERSION}" = "0.9" ]; then nvm install --latest-npm 0.8 && npm install && nvm use "${TRAVIS_NODE_VERSION}"; else npm install; fi;'
+script:
+  - 'if [ -n "${PRETEST-}" ]; then npm run pretest ; fi'
+  - 'if [ -n "${POSTTEST-}" ]; then npm run posttest ; fi'
+  - 'if [ -n "${COVERAGE-}" ]; then npm run coverage ; fi'
+  - 'if [ -n "${TEST-}" ]; then npm run tests-only ; fi'
+sudo: false
+env:
+  - TEST=true
+matrix:
+  fast_finish: true
+  include:
+    - node_js: "lts/*"
+      env: PRETEST=true
+    - node_js: "lts/*"
+      env: POSTTEST=true
+    - node_js: "4"
+      env: COVERAGE=true
+    - node_js: "10.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "10.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.10"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "9.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.10"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.13"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.12"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.11"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.10"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.11"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.10"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v3.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v3.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v3.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "0.11"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "0.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "0.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "0.4"
+      env: TEST=true ALLOW_FAILURE=true
+  allow_failures:
+    - os: osx
+    - env: TEST=true ALLOW_FAILURE=true
diff --git a/node_modules/extend/CHANGELOG.md b/node_modules/extend/CHANGELOG.md
new file mode 100644
index 000000000..2cf7de6fb
--- /dev/null
+++ b/node_modules/extend/CHANGELOG.md
@@ -0,0 +1,83 @@
+3.0.2 / 2018-07-19
+==================
+  * [Fix] Prevent merging `__proto__` property (#48)
+  * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape`
+  * [Tests] up to `node` `v10.7`, `v9.11`, `v8.11`, `v7.10`, `v6.14`, `v4.9`; use `nvm install-latest-npm`
+
+3.0.1 / 2017-04-27
+==================
+  * [Fix] deep extending should work with a non-object (#46)
+  * [Dev Deps] update `tape`, `eslint`, `@ljharb/eslint-config`
+  * [Tests] up to `node` `v7.9`, `v6.10`, `v4.8`; improve matrix
+  * [Docs] Switch from vb.teelaun.ch to versionbadg.es for the npm version badge SVG.
+  * [Docs] Add example to readme (#34)
+
+3.0.0 / 2015-07-01
+==================
+  * [Possible breaking change] Use global "strict" directive (#32)
+  * [Tests] `int` is an ES3 reserved word
+  * [Tests] Test up to `io.js` `v2.3`
+  * [Tests] Add `npm run eslint`
+  * [Dev Deps] Update `covert`, `jscs`
+
+2.0.1 / 2015-04-25
+==================
+  * Use an inline `isArray` check, for ES3 browsers. (#27)
+  * Some old browsers fail when an identifier is `toString`
+  * Test latest `node` and `io.js` versions on `travis-ci`; speed up builds
+  * Add license info to package.json (#25)
+  * Update `tape`, `jscs`
+  * Adding a CHANGELOG
+
+2.0.0 / 2014-10-01
+==================
+  * Increase code coverage to 100%; run code coverage as part of tests
+  * Add `npm run lint`; Run linter as part of tests
+  * Remove nodeType and setInterval checks in isPlainObject
+  * Updating `tape`, `jscs`, `covert`
+  * General style and README cleanup
+
+1.3.0 / 2014-06-20
+==================
+  * Add component.json for browser support (#18)
+  * Use SVG for badges in README (#16)
+  * Updating `tape`, `covert`
+  * Updating travis-ci to work with multiple node versions
+  * Fix `deep === false` bug (returning target as {}) (#14)
+  * Fixing constructor checks in isPlainObject
+  * Adding additional test coverage
+  * Adding `npm run coverage`
+  * Add LICENSE (#13)
+  * Adding a warning about `false`, per #11
+  * General style and whitespace cleanup
+
+1.2.1 / 2013-09-14
+==================
+  * Fixing hasOwnProperty bugs that would only have shown up in specific browsers. Fixes #8
+  * Updating `tape`
+
+1.2.0 / 2013-09-02
+==================
+  * Updating the README: add badges
+  * Adding a missing variable reference.
+  * Using `tape` instead of `buster` for tests; add more tests (#7)
+  * Adding node 0.10 to Travis CI (#6)
+  * Enabling "npm test" and cleaning up package.json (#5)
+  * Add Travis CI.
+
+1.1.3 / 2012-12-06
+==================
+  * Added unit tests.
+  * Ensure extend function is named. (Looks nicer in a stack trace.)
+  * README cleanup.
+
+1.1.1 / 2012-11-07
+==================
+  * README cleanup.
+  * Added installation instructions.
+  * Added a missing semicolon
+
+1.0.0 / 2012-04-08
+==================
+  * Initial commit
+
diff --git a/node_modules/extend/LICENSE b/node_modules/extend/LICENSE
new file mode 100644
index 000000000..e16d6a56c
--- /dev/null
+++ b/node_modules/extend/LICENSE
@@ -0,0 +1,23 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Stefan Thomas
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/node_modules/extend/README.md b/node_modules/extend/README.md
new file mode 100644
index 000000000..5b8249aa9
--- /dev/null
+++ b/node_modules/extend/README.md
@@ -0,0 +1,81 @@
+[![Build Status][travis-svg]][travis-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+
+# extend() for Node.js <sup>[![Version Badge][npm-version-png]][npm-url]</sup>
+
+`node-extend` is a port of the classic extend() method from jQuery. It behaves as you expect. It is simple, tried and true.
+
+Notes:
+
+* Since Node.js >= 4,
+  [`Object.assign`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)
+  now offers the same functionality natively (but without the "deep copy" option).
+  See [ECMAScript 2015 (ES6) in Node.js](https://nodejs.org/en/docs/es6).
+* Some native implementations of `Object.assign` in both Node.js and many
+  browsers (since NPM modules are for the browser too) may not be fully
+  spec-compliant.
+  Check [`object.assign`](https://www.npmjs.com/package/object.assign) module for
+  a compliant candidate.
+
+## Installation
+
+This package is available on [npm][npm-url] as: `extend`
+
+``` sh
+npm install extend
+```
+
+## Usage
+
+**Syntax:** extend **(** [`deep`], `target`, `object1`, [`objectN`] **)**
+
+*Extend one object with one or more others, returning the modified object.*
+
+**Example:**
+
+``` js
+var extend = require('extend');
+extend(targetObject, object1, object2);
+```
+
+Keep in mind that the target object will be modified, and will be returned from extend().
+
+If a boolean true is specified as the first argument, extend performs a deep copy, recursively copying any objects it finds. Otherwise, the copy will share structure with the original object(s).
+Undefined properties are not copied. However, properties inherited from the object's prototype will be copied over.
+Warning: passing `false` as the first argument is not supported.
+
+### Arguments
+
+* `deep` *Boolean* (optional)
+If set, the merge becomes recursive (i.e. deep copy).
+* `target`	*Object*
+The object to extend.
+* `object1`	*Object*
+The object that will be merged into the first.
+* `objectN` *Object* (Optional)
+More objects to merge into the first.
+
+## License
+
+`node-extend` is licensed under the [MIT License][mit-license-url].
+
+## Acknowledgements
+
+All credit to the jQuery authors for perfecting this amazing utility.
+
+Ported to Node.js by [Stefan Thomas][github-justmoon] with contributions by [Jonathan Buchanan][github-insin] and [Jordan Harband][github-ljharb].
+
+[travis-svg]: https://travis-ci.org/justmoon/node-extend.svg
+[travis-url]: https://travis-ci.org/justmoon/node-extend
+[npm-url]: https://npmjs.org/package/extend
+[mit-license-url]: http://opensource.org/licenses/MIT
+[github-justmoon]: https://github.com/justmoon
+[github-insin]: https://github.com/insin
+[github-ljharb]: https://github.com/ljharb
+[npm-version-png]: http://versionbadg.es/justmoon/node-extend.svg
+[deps-svg]: https://david-dm.org/justmoon/node-extend.svg
+[deps-url]: https://david-dm.org/justmoon/node-extend
+[dev-deps-svg]: https://david-dm.org/justmoon/node-extend/dev-status.svg
+[dev-deps-url]: https://david-dm.org/justmoon/node-extend#info=devDependencies
+
diff --git a/node_modules/extend/component.json b/node_modules/extend/component.json
new file mode 100644
index 000000000..1500a2f37
--- /dev/null
+++ b/node_modules/extend/component.json
@@ -0,0 +1,32 @@
+{
+	"name": "extend",
+	"author": "Stefan Thomas <justmoon@members.fsf.org> (http://www.justmoon.net)",
+	"version": "3.0.0",
+	"description": "Port of jQuery.extend for node.js and the browser.",
+	"scripts": [
+		"index.js"
+	],
+	"contributors": [
+		{
+			"name": "Jordan Harband",
+			"url": "https://github.com/ljharb"
+		}
+	],
+	"keywords": [
+		"extend",
+		"clone",
+		"merge"
+	],
+	"repository" : {
+		"type": "git",
+		"url": "https://github.com/justmoon/node-extend.git"
+	},
+	"dependencies": {
+	},
+	"devDependencies": {
+		"tape" : "~3.0.0",
+		"covert": "~0.4.0",
+		"jscs": "~1.6.2"
+	}
+}
+
diff --git a/node_modules/extend/index.js b/node_modules/extend/index.js
new file mode 100644
index 000000000..2aa3faae6
--- /dev/null
+++ b/node_modules/extend/index.js
@@ -0,0 +1,117 @@
+'use strict';
+
+var hasOwn = Object.prototype.hasOwnProperty;
+var toStr = Object.prototype.toString;
+var defineProperty = Object.defineProperty;
+var gOPD = Object.getOwnPropertyDescriptor;
+
+var isArray = function isArray(arr) {
+	if (typeof Array.isArray === 'function') {
+		return Array.isArray(arr);
+	}
+
+	return toStr.call(arr) === '[object Array]';
+};
+
+var isPlainObject = function isPlainObject(obj) {
+	if (!obj || toStr.call(obj) !== '[object Object]') {
+		return false;
+	}
+
+	var hasOwnConstructor = hasOwn.call(obj, 'constructor');
+	var hasIsPrototypeOf = obj.constructor && obj.constructor.prototype && hasOwn.call(obj.constructor.prototype, 'isPrototypeOf');
+	// Not own constructor property must be Object
+	if (obj.constructor && !hasOwnConstructor && !hasIsPrototypeOf) {
+		return false;
+	}
+
+	// Own properties are enumerated firstly, so to speed up,
+	// if last one is own, then all properties are own.
+	var key;
+	for (key in obj) { /**/ }
+
+	return typeof key === 'undefined' || hasOwn.call(obj, key);
+};
+
+// If name is '__proto__', and Object.defineProperty is available, define __proto__ as an own property on target
+var setProperty = function setProperty(target, options) {
+	if (defineProperty && options.name === '__proto__') {
+		defineProperty(target, options.name, {
+			enumerable: true,
+			configurable: true,
+			value: options.newValue,
+			writable: true
+		});
+	} else {
+		target[options.name] = options.newValue;
+	}
+};
+
+// Return undefined instead of __proto__ if '__proto__' is not an own property
+var getProperty = function getProperty(obj, name) {
+	if (name === '__proto__') {
+		if (!hasOwn.call(obj, name)) {
+			return void 0;
+		} else if (gOPD) {
+			// In early versions of node, obj['__proto__'] is buggy when obj has
+			// __proto__ as an own property. Object.getOwnPropertyDescriptor() works.
+			return gOPD(obj, name).value;
+		}
+	}
+
+	return obj[name];
+};
+
+module.exports = function extend() {
+	var options, name, src, copy, copyIsArray, clone;
+	var target = arguments[0];
+	var i = 1;
+	var length = arguments.length;
+	var deep = false;
+
+	// Handle a deep copy situation
+	if (typeof target === 'boolean') {
+		deep = target;
+		target = arguments[1] || {};
+		// skip the boolean and the target
+		i = 2;
+	}
+	if (target == null || (typeof target !== 'object' && typeof target !== 'function')) {
+		target = {};
+	}
+
+	for (; i < length; ++i) {
+		options = arguments[i];
+		// Only deal with non-null/undefined values
+		if (options != null) {
+			// Extend the base object
+			for (name in options) {
+				src = getProperty(target, name);
+				copy = getProperty(options, name);
+
+				// Prevent never-ending loop
+				if (target !== copy) {
+					// Recurse if we're merging plain objects or arrays
+					if (deep && copy && (isPlainObject(copy) || (copyIsArray = isArray(copy)))) {
+						if (copyIsArray) {
+							copyIsArray = false;
+							clone = src && isArray(src) ? src : [];
+						} else {
+							clone = src && isPlainObject(src) ? src : {};
+						}
+
+						// Never move original objects, clone them
+						setProperty(target, { name: name, newValue: extend(deep, clone, copy) });
+
+					// Don't bring in undefined values
+					} else if (typeof copy !== 'undefined') {
+						setProperty(target, { name: name, newValue: copy });
+					}
+				}
+			}
+		}
+	}
+
+	// Return the modified object
+	return target;
+};
diff --git a/node_modules/extend/package.json b/node_modules/extend/package.json
new file mode 100644
index 000000000..85279f780
--- /dev/null
+++ b/node_modules/extend/package.json
@@ -0,0 +1,42 @@
+{
+	"name": "extend",
+	"author": "Stefan Thomas <justmoon@members.fsf.org> (http://www.justmoon.net)",
+	"version": "3.0.2",
+	"description": "Port of jQuery.extend for node.js and the browser",
+	"main": "index",
+	"scripts": {
+		"pretest": "npm run lint",
+		"test": "npm run tests-only",
+		"posttest": "npm run coverage-quiet",
+		"tests-only": "node test",
+		"coverage": "covert test/index.js",
+		"coverage-quiet": "covert test/index.js --quiet",
+		"lint": "npm run jscs && npm run eslint",
+		"jscs": "jscs *.js */*.js",
+		"eslint": "eslint *.js */*.js"
+	},
+	"contributors": [
+		{
+			"name": "Jordan Harband",
+			"url": "https://github.com/ljharb"
+		}
+	],
+	"keywords": [
+		"extend",
+		"clone",
+		"merge"
+	],
+	"repository": {
+		"type": "git",
+		"url": "https://github.com/justmoon/node-extend.git"
+	},
+	"dependencies": {},
+	"devDependencies": {
+		"@ljharb/eslint-config": "^12.2.1",
+		"covert": "^1.1.0",
+		"eslint": "^4.19.1",
+		"jscs": "^3.0.7",
+		"tape": "^4.9.1"
+	},
+	"license": "MIT"
+}
diff --git a/node_modules/extsprintf/.gitmodules b/node_modules/extsprintf/.gitmodules
new file mode 100644
index 000000000..e69de29bb
diff --git a/node_modules/extsprintf/.npmignore b/node_modules/extsprintf/.npmignore
new file mode 100644
index 000000000..6ed1ae975
--- /dev/null
+++ b/node_modules/extsprintf/.npmignore
@@ -0,0 +1,2 @@
+/deps
+/examples
diff --git a/node_modules/extsprintf/LICENSE b/node_modules/extsprintf/LICENSE
new file mode 100644
index 000000000..cbc0bb3ba
--- /dev/null
+++ b/node_modules/extsprintf/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2012, Joyent, Inc. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE
diff --git a/node_modules/extsprintf/Makefile b/node_modules/extsprintf/Makefile
new file mode 100644
index 000000000..db845189a
--- /dev/null
+++ b/node_modules/extsprintf/Makefile
@@ -0,0 +1,24 @@
+#
+# Copyright (c) 2012, Joyent, Inc. All rights reserved.
+#
+# Makefile: top-level Makefile
+#
+# This Makefile contains only repo-specific logic and uses included makefiles
+# to supply common targets (javascriptlint, jsstyle, restdown, etc.), which are
+# used by other repos as well.
+#
+
+#
+# Files
+#
+JSL		 = jsl
+JSSTYLE		 = jsstyle
+JS_FILES	:= $(shell find examples lib -name '*.js')
+JSL_FILES_NODE   = $(JS_FILES)
+JSSTYLE_FILES	 = $(JS_FILES)
+JSL_CONF_NODE	 = jsl.node.conf
+
+# Default target is "check"
+check:
+
+include ./Makefile.targ
diff --git a/node_modules/extsprintf/Makefile.targ b/node_modules/extsprintf/Makefile.targ
new file mode 100644
index 000000000..2a64fe7e9
--- /dev/null
+++ b/node_modules/extsprintf/Makefile.targ
@@ -0,0 +1,285 @@
+# -*- mode: makefile -*-
+#
+# Copyright (c) 2012, Joyent, Inc. All rights reserved.
+#
+# Makefile.targ: common targets.
+#
+# NOTE: This makefile comes from the "eng" repo. It's designed to be dropped
+# into other repos as-is without requiring any modifications. If you find
+# yourself changing this file, you should instead update the original copy in
+# eng.git and then update your repo to use the new version.
+#
+# This Makefile defines several useful targets and rules. You can use it by
+# including it from a Makefile that specifies some of the variables below.
+#
+# Targets defined in this Makefile:
+#
+#	check	Checks JavaScript files for lint and style
+#		Checks bash scripts for syntax
+#		Checks SMF manifests for validity against the SMF DTD
+#
+#	clean	Removes built files
+#
+#	docs	Builds restdown documentation in docs/
+#
+#	prepush	Depends on "check" and "test"
+#
+#	test	Does nothing (you should override this)
+#
+#	xref	Generates cscope (source cross-reference index)
+#
+# For details on what these targets are supposed to do, see the Joyent
+# Engineering Guide.
+#
+# To make use of these targets, you'll need to set some of these variables. Any
+# variables left unset will simply not be used.
+#
+#	BASH_FILES	Bash scripts to check for syntax
+#			(paths relative to top-level Makefile)
+#
+#	CLEAN_FILES	Files to remove as part of the "clean" target.  Note
+#			that files generated by targets in this Makefile are
+#			automatically included in CLEAN_FILES.  These include
+#			restdown-generated HTML and JSON files.
+#
+#	DOC_FILES	Restdown (documentation source) files. These are
+#			assumed to be contained in "docs/", and must NOT
+#			contain the "docs/" prefix.
+#
+#	JSL_CONF_NODE	Specify JavaScriptLint configuration files
+#	JSL_CONF_WEB	(paths relative to top-level Makefile)
+#
+#			Node.js and Web configuration files are separate
+#			because you'll usually want different global variable
+#			configurations.  If no file is specified, none is given
+#			to jsl, which causes it to use a default configuration,
+#			which probably isn't what you want.
+#
+#	JSL_FILES_NODE	JavaScript files to check with Node config file.
+#	JSL_FILES_WEB	JavaScript files to check with Web config file.
+#
+# You can also override these variables:
+#
+#	BASH		Path to bash (default: bash)
+#
+#	CSCOPE_DIRS	Directories to search for source files for the cscope
+#			index. (default: ".")
+#
+#	JSL		Path to JavaScriptLint (default: "jsl")
+#
+#	JSL_FLAGS_NODE	Additional flags to pass through to JSL
+#	JSL_FLAGS_WEB
+#	JSL_FLAGS
+#
+#	JSSTYLE		Path to jsstyle (default: jsstyle)
+#
+#	JSSTYLE_FLAGS	Additional flags to pass through to jsstyle
+#
+
+#
+# Defaults for the various tools we use.
+#
+BASH		?= bash
+BASHSTYLE	?= tools/bashstyle
+CP		?= cp
+CSCOPE		?= cscope
+CSCOPE_DIRS	?= .
+JSL		?= jsl
+JSSTYLE		?= jsstyle
+MKDIR		?= mkdir -p
+MV		?= mv
+RESTDOWN_FLAGS	?=
+RMTREE		?= rm -rf
+JSL_FLAGS  	?= --nologo --nosummary
+
+ifeq ($(shell uname -s),SunOS)
+	TAR	?= gtar
+else
+	TAR	?= tar
+endif
+
+
+#
+# Defaults for other fixed values.
+#
+BUILD		= build
+DISTCLEAN_FILES += $(BUILD)
+DOC_BUILD	= $(BUILD)/docs/public
+
+#
+# Configure JSL_FLAGS_{NODE,WEB} based on JSL_CONF_{NODE,WEB}.
+#
+ifneq ($(origin JSL_CONF_NODE), undefined)
+	JSL_FLAGS_NODE += --conf=$(JSL_CONF_NODE)
+endif
+
+ifneq ($(origin JSL_CONF_WEB), undefined)
+	JSL_FLAGS_WEB += --conf=$(JSL_CONF_WEB)
+endif
+
+#
+# Targets. For descriptions on what these are supposed to do, see the
+# Joyent Engineering Guide.
+#
+
+#
+# Instruct make to keep around temporary files. We have rules below that
+# automatically update git submodules as needed, but they employ a deps/*/.git
+# temporary file. Without this directive, make tries to remove these .git
+# directories after the build has completed.
+#
+.SECONDARY: $($(wildcard deps/*):%=%/.git)
+
+#
+# This rule enables other rules that use files from a git submodule to have
+# those files depend on deps/module/.git and have "make" automatically check
+# out the submodule as needed.
+#
+deps/%/.git:
+	git submodule update --init deps/$*
+
+#
+# These recipes make heavy use of dynamically-created phony targets. The parent
+# Makefile defines a list of input files like BASH_FILES. We then say that each
+# of these files depends on a fake target called filename.bashchk, and then we
+# define a pattern rule for those targets that runs bash in check-syntax-only
+# mode. This mechanism has the nice properties that if you specify zero files,
+# the rule becomes a noop (unlike a single rule to check all bash files, which
+# would invoke bash with zero files), and you can check individual files from
+# the command line with "make filename.bashchk".
+#
+.PHONY: check-bash
+check-bash: $(BASH_FILES:%=%.bashchk) $(BASH_FILES:%=%.bashstyle)
+
+%.bashchk: %
+	$(BASH) -n $^
+
+%.bashstyle: %
+	$(BASHSTYLE) $^
+
+.PHONY: check-jsl check-jsl-node check-jsl-web
+check-jsl: check-jsl-node check-jsl-web
+
+check-jsl-node: $(JSL_FILES_NODE:%=%.jslnodechk)
+
+check-jsl-web: $(JSL_FILES_WEB:%=%.jslwebchk)
+
+%.jslnodechk: % $(JSL_EXEC)
+	$(JSL) $(JSL_FLAGS) $(JSL_FLAGS_NODE) $<
+
+%.jslwebchk: % $(JSL_EXEC)
+	$(JSL) $(JSL_FLAGS) $(JSL_FLAGS_WEB) $<
+
+.PHONY: check-jsstyle
+check-jsstyle: $(JSSTYLE_FILES:%=%.jsstylechk)
+
+%.jsstylechk: % $(JSSTYLE_EXEC)
+	$(JSSTYLE) $(JSSTYLE_FLAGS) $<
+
+.PHONY: check
+check: check-jsl check-jsstyle check-bash
+	@echo check ok
+
+.PHONY: clean
+clean::
+	-$(RMTREE) $(CLEAN_FILES)
+
+.PHONY: distclean
+distclean:: clean
+	-$(RMTREE) $(DISTCLEAN_FILES)
+
+CSCOPE_FILES = cscope.in.out cscope.out cscope.po.out
+CLEAN_FILES += $(CSCOPE_FILES)
+
+.PHONY: xref
+xref: cscope.files
+	$(CSCOPE) -bqR
+
+.PHONY: cscope.files
+cscope.files:
+	find $(CSCOPE_DIRS) -name '*.c' -o -name '*.h' -o -name '*.cc' \
+	    -o -name '*.js' -o -name '*.s' -o -name '*.cpp' > $@
+
+#
+# The "docs" target is complicated because we do several things here:
+#
+#    (1) Use restdown to build HTML and JSON files from each of DOC_FILES.
+#
+#    (2) Copy these files into $(DOC_BUILD) (build/docs/public), which
+#        functions as a complete copy of the documentation that could be
+#        mirrored or served over HTTP.
+#
+#    (3) Then copy any directories and media from docs/media into
+#        $(DOC_BUILD)/media. This allows projects to include their own media,
+#        including files that will override same-named files provided by
+#        restdown.
+#
+# Step (3) is the surprisingly complex part: in order to do this, we need to
+# identify the subdirectories in docs/media, recreate them in
+# $(DOC_BUILD)/media, then do the same with the files.
+#
+DOC_MEDIA_DIRS := $(shell find docs/media -type d 2>/dev/null | grep -v "^docs/media$$")
+DOC_MEDIA_DIRS := $(DOC_MEDIA_DIRS:docs/media/%=%)
+DOC_MEDIA_DIRS_BUILD := $(DOC_MEDIA_DIRS:%=$(DOC_BUILD)/media/%)
+
+DOC_MEDIA_FILES := $(shell find docs/media -type f 2>/dev/null)
+DOC_MEDIA_FILES := $(DOC_MEDIA_FILES:docs/media/%=%)
+DOC_MEDIA_FILES_BUILD := $(DOC_MEDIA_FILES:%=$(DOC_BUILD)/media/%)
+
+#
+# Like the other targets, "docs" just depends on the final files we want to
+# create in $(DOC_BUILD), leveraging other targets and recipes to define how
+# to get there.
+#
+.PHONY: docs
+docs:							\
+    $(DOC_FILES:%.restdown=$(DOC_BUILD)/%.html)		\
+    $(DOC_FILES:%.restdown=$(DOC_BUILD)/%.json)		\
+    $(DOC_MEDIA_FILES_BUILD)
+
+#
+# We keep the intermediate files so that the next build can see whether the
+# files in DOC_BUILD are up to date.
+#
+.PRECIOUS:					\
+    $(DOC_FILES:%.restdown=docs/%.html)		\
+    $(DOC_FILES:%.restdown=docs/%json)
+
+#
+# We do clean those intermediate files, as well as all of DOC_BUILD.
+#
+CLEAN_FILES +=					\
+    $(DOC_BUILD)				\
+    $(DOC_FILES:%.restdown=docs/%.html)		\
+    $(DOC_FILES:%.restdown=docs/%.json)
+
+#
+# Before installing the files, we must make sure the directories exist. The |
+# syntax tells make that the dependency need only exist, not be up to date.
+# Otherwise, it might try to rebuild spuriously because the directory itself
+# appears out of date.
+#
+$(DOC_MEDIA_FILES_BUILD): | $(DOC_MEDIA_DIRS_BUILD)
+
+$(DOC_BUILD)/%: docs/% | $(DOC_BUILD)
+	$(CP) $< $@
+
+docs/%.json docs/%.html: docs/%.restdown | $(DOC_BUILD) $(RESTDOWN_EXEC)
+	$(RESTDOWN) $(RESTDOWN_FLAGS) -m $(DOC_BUILD) $<
+
+$(DOC_BUILD):
+	$(MKDIR) $@
+
+$(DOC_MEDIA_DIRS_BUILD):
+	$(MKDIR) $@
+
+#
+# The default "test" target does nothing. This should usually be overridden by
+# the parent Makefile. It's included here so we can define "prepush" without
+# requiring the repo to define "test".
+#
+.PHONY: test
+test:
+
+.PHONY: prepush
+prepush: check test
diff --git a/node_modules/extsprintf/README.md b/node_modules/extsprintf/README.md
new file mode 100644
index 000000000..b22998d63
--- /dev/null
+++ b/node_modules/extsprintf/README.md
@@ -0,0 +1,46 @@
+# extsprintf: extended POSIX-style sprintf
+
+Stripped down version of s[n]printf(3c).  We make a best effort to throw an
+exception when given a format string we don't understand, rather than ignoring
+it, so that we won't break existing programs if/when we go implement the rest
+of this.
+
+This implementation currently supports specifying
+
+* field alignment ('-' flag),
+* zero-pad ('0' flag)
+* always show numeric sign ('+' flag),
+* field width
+* conversions for strings, decimal integers, and floats (numbers).
+* argument size specifiers.  These are all accepted but ignored, since
+  Javascript has no notion of the physical size of an argument.
+
+Everything else is currently unsupported, most notably: precision, unsigned
+numbers, non-decimal numbers, and characters.
+
+Besides the usual POSIX conversions, this implementation supports:
+
+* `%j`: pretty-print a JSON object (using node's "inspect")
+* `%r`: pretty-print an Error object
+
+# Example
+
+First, install it:
+
+    # npm install extsprintf
+
+Now, use it:
+
+    var mod_extsprintf = require('extsprintf');
+    console.log(mod_extsprintf.sprintf('hello %25s', 'world'));
+
+outputs:
+
+    hello                     world
+
+# Also supported
+
+**printf**: same args as sprintf, but prints the result to stdout
+
+**fprintf**: same args as sprintf, preceded by a Node stream.  Prints the result
+to the given stream.
diff --git a/node_modules/extsprintf/jsl.node.conf b/node_modules/extsprintf/jsl.node.conf
new file mode 100644
index 000000000..03f787ffb
--- /dev/null
+++ b/node_modules/extsprintf/jsl.node.conf
@@ -0,0 +1,137 @@
+#
+# Configuration File for JavaScript Lint 
+#
+# This configuration file can be used to lint a collection of scripts, or to enable
+# or disable warnings for scripts that are linted via the command line.
+#
+
+### Warnings
+# Enable or disable warnings based on requirements.
+# Use "+WarningName" to display or "-WarningName" to suppress.
+#
++ambiguous_else_stmt          # the else statement could be matched with one of multiple if statements (use curly braces to indicate intent
++ambiguous_nested_stmt        # block statements containing block statements should use curly braces to resolve ambiguity
++ambiguous_newline            # unexpected end of line; it is ambiguous whether these lines are part of the same statement
++anon_no_return_value         # anonymous function does not always return value
++assign_to_function_call      # assignment to a function call
+-block_without_braces         # block statement without curly braces
++comma_separated_stmts        # multiple statements separated by commas (use semicolons?)
++comparison_type_conv         # comparisons against null, 0, true, false, or an empty string allowing implicit type conversion (use === or !==)
++default_not_at_end           # the default case is not at the end of the switch statement
++dup_option_explicit          # duplicate "option explicit" control comment
++duplicate_case_in_switch     # duplicate case in switch statement
++duplicate_formal             # duplicate formal argument {name}
++empty_statement              # empty statement or extra semicolon
++identifier_hides_another     # identifer {name} hides an identifier in a parent scope
+-inc_dec_within_stmt          # increment (++) and decrement (--) operators used as part of greater statement
++incorrect_version            # Expected /*jsl:content-type*/ control comment. The script was parsed with the wrong version.
++invalid_fallthru             # unexpected "fallthru" control comment
++invalid_pass                 # unexpected "pass" control comment
++jsl_cc_not_understood        # couldn't understand control comment using /*jsl:keyword*/ syntax
++leading_decimal_point        # leading decimal point may indicate a number or an object member
++legacy_cc_not_understood     # couldn't understand control comment using /*@keyword@*/ syntax
++meaningless_block            # meaningless block; curly braces have no impact
++mismatch_ctrl_comments       # mismatched control comment; "ignore" and "end" control comments must have a one-to-one correspondence
++misplaced_regex              # regular expressions should be preceded by a left parenthesis, assignment, colon, or comma
++missing_break                # missing break statement
++missing_break_for_last_case  # missing break statement for last case in switch
++missing_default_case         # missing default case in switch statement
++missing_option_explicit      # the "option explicit" control comment is missing
++missing_semicolon            # missing semicolon
++missing_semicolon_for_lambda # missing semicolon for lambda assignment
++multiple_plus_minus          # unknown order of operations for successive plus (e.g. x+++y) or minus (e.g. x---y) signs
++nested_comment               # nested comment
++no_return_value              # function {name} does not always return a value
++octal_number                 # leading zeros make an octal number
++parseint_missing_radix       # parseInt missing radix parameter
++partial_option_explicit      # the "option explicit" control comment, if used, must be in the first script tag
++redeclared_var               # redeclaration of {name}
++trailing_comma_in_array      # extra comma is not recommended in array initializers
++trailing_decimal_point       # trailing decimal point may indicate a number or an object member
++undeclared_identifier        # undeclared identifier: {name}
++unreachable_code             # unreachable code
+-unreferenced_argument        # argument declared but never referenced: {name}
+-unreferenced_function        # function is declared but never referenced: {name}
++unreferenced_variable        # variable is declared but never referenced: {name}
++unsupported_version          # JavaScript {version} is not supported
++use_of_label                 # use of label
++useless_assign               # useless assignment
++useless_comparison           # useless comparison; comparing identical expressions
+-useless_quotes               # the quotation marks are unnecessary
++useless_void                 # use of the void type may be unnecessary (void is always undefined)
++var_hides_arg                # variable {name} hides argument
++want_assign_or_call          # expected an assignment or function call
++with_statement               # with statement hides undeclared variables; use temporary variable instead
+
+
+### Output format
+# Customize the format of the error message.
+#    __FILE__ indicates current file path
+#    __FILENAME__ indicates current file name
+#    __LINE__ indicates current line
+#    __COL__ indicates current column
+#    __ERROR__ indicates error message (__ERROR_PREFIX__: __ERROR_MSG__)
+#    __ERROR_NAME__ indicates error name (used in configuration file)
+#    __ERROR_PREFIX__ indicates error prefix
+#    __ERROR_MSG__ indicates error message
+#
+# For machine-friendly output, the output format can be prefixed with
+# "encode:". If specified, all items will be encoded with C-slashes.
+#
+# Visual Studio syntax (default):
++output-format __FILE__(__LINE__): __ERROR__
+# Alternative syntax:
+#+output-format __FILE__:__LINE__: __ERROR__
+
+
+### Context
+# Show the in-line position of the error.
+# Use "+context" to display or "-context" to suppress.
+#
++context
+
+
+### Control Comments
+# Both JavaScript Lint and the JScript interpreter confuse each other with the syntax for
+# the /*@keyword@*/ control comments and JScript conditional comments. (The latter is
+# enabled in JScript with @cc_on@). The /*jsl:keyword*/ syntax is preferred for this reason,
+# although legacy control comments are enabled by default for backward compatibility.
+#
+-legacy_control_comments
+
+
+### Defining identifiers
+# By default, "option explicit" is enabled on a per-file basis.
+# To enable this for all files, use "+always_use_option_explicit"
+-always_use_option_explicit
+
+# Define certain identifiers of which the lint is not aware.
+# (Use this in conjunction with the "undeclared identifier" warning.)
+#
+# Common uses for webpages might be:
++define __dirname
++define clearInterval
++define clearTimeout
++define console
++define exports
++define global
++define process
++define require
++define setInterval
++define setTimeout
++define Buffer
++define JSON
++define Math
+
+### JavaScript Version
+# To change the default JavaScript version:
+#+default-type text/javascript;version=1.5
+#+default-type text/javascript;e4x=1
+
+### Files
+# Specify which files to lint
+# Use "+recurse" to enable recursion (disabled by default).
+# To add a set of files, use "+process FileName", "+process Folder\Path\*.js",
+# or "+process Folder\Path\*.htm".
+#
+
diff --git a/node_modules/extsprintf/lib/extsprintf.js b/node_modules/extsprintf/lib/extsprintf.js
new file mode 100644
index 000000000..ed883d32b
--- /dev/null
+++ b/node_modules/extsprintf/lib/extsprintf.js
@@ -0,0 +1,183 @@
+/*
+ * extsprintf.js: extended POSIX-style sprintf
+ */
+
+var mod_assert = require('assert');
+var mod_util = require('util');
+
+/*
+ * Public interface
+ */
+exports.sprintf = jsSprintf;
+exports.printf = jsPrintf;
+exports.fprintf = jsFprintf;
+
+/*
+ * Stripped down version of s[n]printf(3c).  We make a best effort to throw an
+ * exception when given a format string we don't understand, rather than
+ * ignoring it, so that we won't break existing programs if/when we go implement
+ * the rest of this.
+ *
+ * This implementation currently supports specifying
+ *	- field alignment ('-' flag),
+ * 	- zero-pad ('0' flag)
+ *	- always show numeric sign ('+' flag),
+ *	- field width
+ *	- conversions for strings, decimal integers, and floats (numbers).
+ *	- argument size specifiers.  These are all accepted but ignored, since
+ *	  Javascript has no notion of the physical size of an argument.
+ *
+ * Everything else is currently unsupported, most notably precision, unsigned
+ * numbers, non-decimal numbers, and characters.
+ */
+function jsSprintf(fmt)
+{
+	var regex = [
+	    '([^%]*)',				/* normal text */
+	    '%',				/* start of format */
+	    '([\'\\-+ #0]*?)',			/* flags (optional) */
+	    '([1-9]\\d*)?',			/* width (optional) */
+	    '(\\.([1-9]\\d*))?',		/* precision (optional) */
+	    '[lhjztL]*?',			/* length mods (ignored) */
+	    '([diouxXfFeEgGaAcCsSp%jr])'	/* conversion */
+	].join('');
+
+	var re = new RegExp(regex);
+	var args = Array.prototype.slice.call(arguments, 1);
+	var flags, width, precision, conversion;
+	var left, pad, sign, arg, match;
+	var ret = '';
+	var argn = 1;
+
+	mod_assert.equal('string', typeof (fmt));
+
+	while ((match = re.exec(fmt)) !== null) {
+		ret += match[1];
+		fmt = fmt.substring(match[0].length);
+
+		flags = match[2] || '';
+		width = match[3] || 0;
+		precision = match[4] || '';
+		conversion = match[6];
+		left = false;
+		sign = false;
+		pad = ' ';
+
+		if (conversion == '%') {
+			ret += '%';
+			continue;
+		}
+
+		if (args.length === 0)
+			throw (new Error('too few args to sprintf'));
+
+		arg = args.shift();
+		argn++;
+
+		if (flags.match(/[\' #]/))
+			throw (new Error(
+			    'unsupported flags: ' + flags));
+
+		if (precision.length > 0)
+			throw (new Error(
+			    'non-zero precision not supported'));
+
+		if (flags.match(/-/))
+			left = true;
+
+		if (flags.match(/0/))
+			pad = '0';
+
+		if (flags.match(/\+/))
+			sign = true;
+
+		switch (conversion) {
+		case 's':
+			if (arg === undefined || arg === null)
+				throw (new Error('argument ' + argn +
+				    ': attempted to print undefined or null ' +
+				    'as a string'));
+			ret += doPad(pad, width, left, arg.toString());
+			break;
+
+		case 'd':
+			arg = Math.floor(arg);
+			/*jsl:fallthru*/
+		case 'f':
+			sign = sign && arg > 0 ? '+' : '';
+			ret += sign + doPad(pad, width, left,
+			    arg.toString());
+			break;
+
+		case 'x':
+			ret += doPad(pad, width, left, arg.toString(16));
+			break;
+
+		case 'j': /* non-standard */
+			if (width === 0)
+				width = 10;
+			ret += mod_util.inspect(arg, false, width);
+			break;
+
+		case 'r': /* non-standard */
+			ret += dumpException(arg);
+			break;
+
+		default:
+			throw (new Error('unsupported conversion: ' +
+			    conversion));
+		}
+	}
+
+	ret += fmt;
+	return (ret);
+}
+
+function jsPrintf() {
+	var args = Array.prototype.slice.call(arguments);
+	args.unshift(process.stdout);
+	jsFprintf.apply(null, args);
+}
+
+function jsFprintf(stream) {
+	var args = Array.prototype.slice.call(arguments, 1);
+	return (stream.write(jsSprintf.apply(this, args)));
+}
+
+function doPad(chr, width, left, str)
+{
+	var ret = str;
+
+	while (ret.length < width) {
+		if (left)
+			ret += chr;
+		else
+			ret = chr + ret;
+	}
+
+	return (ret);
+}
+
+/*
+ * This function dumps long stack traces for exceptions having a cause() method.
+ * See node-verror for an example.
+ */
+function dumpException(ex)
+{
+	var ret;
+
+	if (!(ex instanceof Error))
+		throw (new Error(jsSprintf('invalid type for %%r: %j', ex)));
+
+	/* Note that V8 prepends "ex.stack" with ex.toString(). */
+	ret = 'EXCEPTION: ' + ex.constructor.name + ': ' + ex.stack;
+
+	if (ex.cause && typeof (ex.cause) === 'function') {
+		var cex = ex.cause();
+		if (cex) {
+			ret += '\nCaused by: ' + dumpException(cex);
+		}
+	}
+
+	return (ret);
+}
diff --git a/node_modules/extsprintf/package.json b/node_modules/extsprintf/package.json
new file mode 100644
index 000000000..b788895cd
--- /dev/null
+++ b/node_modules/extsprintf/package.json
@@ -0,0 +1,14 @@
+{
+	"name": "extsprintf",
+	"version": "1.3.0",
+	"description": "extended POSIX-style sprintf",
+	"main": "./lib/extsprintf.js",
+	"repository": {
+		"type": "git",
+		"url": "git://github.com/davepacheco/node-extsprintf.git"
+	},
+	"engines": [
+		"node >=0.6.0"
+	],
+	"license": "MIT"
+}
diff --git a/node_modules/fast-deep-equal/LICENSE b/node_modules/fast-deep-equal/LICENSE
new file mode 100644
index 000000000..7f1543566
--- /dev/null
+++ b/node_modules/fast-deep-equal/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Evgeny Poberezkin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/fast-deep-equal/README.md b/node_modules/fast-deep-equal/README.md
new file mode 100644
index 000000000..d3f4ffcc3
--- /dev/null
+++ b/node_modules/fast-deep-equal/README.md
@@ -0,0 +1,96 @@
+# fast-deep-equal
+The fastest deep equal with ES6 Map, Set and Typed arrays support.
+
+[![Build Status](https://travis-ci.org/epoberezkin/fast-deep-equal.svg?branch=master)](https://travis-ci.org/epoberezkin/fast-deep-equal)
+[![npm](https://img.shields.io/npm/v/fast-deep-equal.svg)](https://www.npmjs.com/package/fast-deep-equal)
+[![Coverage Status](https://coveralls.io/repos/github/epoberezkin/fast-deep-equal/badge.svg?branch=master)](https://coveralls.io/github/epoberezkin/fast-deep-equal?branch=master)
+
+
+## Install
+
+```bash
+npm install fast-deep-equal
+```
+
+
+## Features
+
+- ES5 compatible
+- works in node.js (8+) and browsers (IE9+)
+- checks equality of Date and RegExp objects by value.
+
+ES6 equal (`require('fast-deep-equal/es6')`) also supports:
+- Maps
+- Sets
+- Typed arrays
+
+
+## Usage
+
+```javascript
+var equal = require('fast-deep-equal');
+console.log(equal({foo: 'bar'}, {foo: 'bar'})); // true
+```
+
+To support ES6 Maps, Sets and Typed arrays equality use:
+
+```javascript
+var equal = require('fast-deep-equal/es6');
+console.log(equal(Int16Array([1, 2]), Int16Array([1, 2]))); // true
+```
+
+To use with React (avoiding the traversal of React elements' _owner
+property that contains circular references and is not needed when
+comparing the elements - borrowed from [react-fast-compare](https://github.com/FormidableLabs/react-fast-compare)):
+
+```javascript
+var equal = require('fast-deep-equal/react');
+var equal = require('fast-deep-equal/es6/react');
+```
+
+
+## Performance benchmark
+
+Node.js v12.6.0:
+
+```
+fast-deep-equal x 261,950 ops/sec ±0.52% (89 runs sampled)
+fast-deep-equal/es6 x 212,991 ops/sec ±0.34% (92 runs sampled)
+fast-equals x 230,957 ops/sec ±0.83% (85 runs sampled)
+nano-equal x 187,995 ops/sec ±0.53% (88 runs sampled)
+shallow-equal-fuzzy x 138,302 ops/sec ±0.49% (90 runs sampled)
+underscore.isEqual x 74,423 ops/sec ±0.38% (89 runs sampled)
+lodash.isEqual x 36,637 ops/sec ±0.72% (90 runs sampled)
+deep-equal x 2,310 ops/sec ±0.37% (90 runs sampled)
+deep-eql x 35,312 ops/sec ±0.67% (91 runs sampled)
+ramda.equals x 12,054 ops/sec ±0.40% (91 runs sampled)
+util.isDeepStrictEqual x 46,440 ops/sec ±0.43% (90 runs sampled)
+assert.deepStrictEqual x 456 ops/sec ±0.71% (88 runs sampled)
+
+The fastest is fast-deep-equal
+```
+
+To run benchmark (requires node.js 6+):
+
+```bash
+npm run benchmark
+```
+
+__Please note__: this benchmark runs against the available test cases. To choose the most performant library for your application, it is recommended to benchmark against your data and to NOT expect this benchmark to reflect the performance difference in your application.
+
+
+## Enterprise support
+
+fast-deep-equal package is a part of [Tidelift enterprise subscription](https://tidelift.com/subscription/pkg/npm-fast-deep-equal?utm_source=npm-fast-deep-equal&utm_medium=referral&utm_campaign=enterprise&utm_term=repo) - it provides a centralised commercial support to open-source software users, in addition to the support provided by software maintainers.
+
+
+## Security contact
+
+To report a security vulnerability, please use the
+[Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure. Please do NOT report security vulnerability via GitHub issues.
+
+
+## License
+
+[MIT](https://github.com/epoberezkin/fast-deep-equal/blob/master/LICENSE)
diff --git a/node_modules/fast-deep-equal/es6/index.d.ts b/node_modules/fast-deep-equal/es6/index.d.ts
new file mode 100644
index 000000000..c7eb9c796
--- /dev/null
+++ b/node_modules/fast-deep-equal/es6/index.d.ts
@@ -0,0 +1,2 @@
+declare const equal: (a: any, b: any) => boolean;
+export = equal;
diff --git a/node_modules/fast-deep-equal/es6/index.js b/node_modules/fast-deep-equal/es6/index.js
new file mode 100644
index 000000000..d980be257
--- /dev/null
+++ b/node_modules/fast-deep-equal/es6/index.js
@@ -0,0 +1,72 @@
+'use strict';
+
+// do not edit .js files directly - edit src/index.jst
+
+
+  var envHasBigInt64Array = typeof BigInt64Array !== 'undefined';
+
+
+module.exports = function equal(a, b) {
+  if (a === b) return true;
+
+  if (a && b && typeof a == 'object' && typeof b == 'object') {
+    if (a.constructor !== b.constructor) return false;
+
+    var length, i, keys;
+    if (Array.isArray(a)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (!equal(a[i], b[i])) return false;
+      return true;
+    }
+
+
+    if ((a instanceof Map) && (b instanceof Map)) {
+      if (a.size !== b.size) return false;
+      for (i of a.entries())
+        if (!b.has(i[0])) return false;
+      for (i of a.entries())
+        if (!equal(i[1], b.get(i[0]))) return false;
+      return true;
+    }
+
+    if ((a instanceof Set) && (b instanceof Set)) {
+      if (a.size !== b.size) return false;
+      for (i of a.entries())
+        if (!b.has(i[0])) return false;
+      return true;
+    }
+
+    if (ArrayBuffer.isView(a) && ArrayBuffer.isView(b)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (a[i] !== b[i]) return false;
+      return true;
+    }
+
+
+    if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
+    if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
+    if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
+
+    keys = Object.keys(a);
+    length = keys.length;
+    if (length !== Object.keys(b).length) return false;
+
+    for (i = length; i-- !== 0;)
+      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
+
+    for (i = length; i-- !== 0;) {
+      var key = keys[i];
+
+      if (!equal(a[key], b[key])) return false;
+    }
+
+    return true;
+  }
+
+  // true if both NaN, false otherwise
+  return a!==a && b!==b;
+};
diff --git a/node_modules/fast-deep-equal/es6/react.d.ts b/node_modules/fast-deep-equal/es6/react.d.ts
new file mode 100644
index 000000000..c7eb9c796
--- /dev/null
+++ b/node_modules/fast-deep-equal/es6/react.d.ts
@@ -0,0 +1,2 @@
+declare const equal: (a: any, b: any) => boolean;
+export = equal;
diff --git a/node_modules/fast-deep-equal/es6/react.js b/node_modules/fast-deep-equal/es6/react.js
new file mode 100644
index 000000000..98e2f9b71
--- /dev/null
+++ b/node_modules/fast-deep-equal/es6/react.js
@@ -0,0 +1,79 @@
+'use strict';
+
+// do not edit .js files directly - edit src/index.jst
+
+
+  var envHasBigInt64Array = typeof BigInt64Array !== 'undefined';
+
+
+module.exports = function equal(a, b) {
+  if (a === b) return true;
+
+  if (a && b && typeof a == 'object' && typeof b == 'object') {
+    if (a.constructor !== b.constructor) return false;
+
+    var length, i, keys;
+    if (Array.isArray(a)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (!equal(a[i], b[i])) return false;
+      return true;
+    }
+
+
+    if ((a instanceof Map) && (b instanceof Map)) {
+      if (a.size !== b.size) return false;
+      for (i of a.entries())
+        if (!b.has(i[0])) return false;
+      for (i of a.entries())
+        if (!equal(i[1], b.get(i[0]))) return false;
+      return true;
+    }
+
+    if ((a instanceof Set) && (b instanceof Set)) {
+      if (a.size !== b.size) return false;
+      for (i of a.entries())
+        if (!b.has(i[0])) return false;
+      return true;
+    }
+
+    if (ArrayBuffer.isView(a) && ArrayBuffer.isView(b)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (a[i] !== b[i]) return false;
+      return true;
+    }
+
+
+    if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
+    if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
+    if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
+
+    keys = Object.keys(a);
+    length = keys.length;
+    if (length !== Object.keys(b).length) return false;
+
+    for (i = length; i-- !== 0;)
+      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
+
+    for (i = length; i-- !== 0;) {
+      var key = keys[i];
+
+      if (key === '_owner' && a.$$typeof) {
+        // React-specific: avoid traversing React elements' _owner.
+        //  _owner contains circular references
+        // and is not needed when comparing the actual elements (and not their owners)
+        continue;
+      }
+
+      if (!equal(a[key], b[key])) return false;
+    }
+
+    return true;
+  }
+
+  // true if both NaN, false otherwise
+  return a!==a && b!==b;
+};
diff --git a/node_modules/fast-deep-equal/index.d.ts b/node_modules/fast-deep-equal/index.d.ts
new file mode 100644
index 000000000..3c042caa7
--- /dev/null
+++ b/node_modules/fast-deep-equal/index.d.ts
@@ -0,0 +1,4 @@
+declare module 'fast-deep-equal' {
+    const equal: (a: any, b: any) => boolean;
+    export = equal;
+}
diff --git a/node_modules/fast-deep-equal/index.js b/node_modules/fast-deep-equal/index.js
new file mode 100644
index 000000000..30dd1ba78
--- /dev/null
+++ b/node_modules/fast-deep-equal/index.js
@@ -0,0 +1,46 @@
+'use strict';
+
+// do not edit .js files directly - edit src/index.jst
+
+
+
+module.exports = function equal(a, b) {
+  if (a === b) return true;
+
+  if (a && b && typeof a == 'object' && typeof b == 'object') {
+    if (a.constructor !== b.constructor) return false;
+
+    var length, i, keys;
+    if (Array.isArray(a)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (!equal(a[i], b[i])) return false;
+      return true;
+    }
+
+
+
+    if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
+    if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
+    if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
+
+    keys = Object.keys(a);
+    length = keys.length;
+    if (length !== Object.keys(b).length) return false;
+
+    for (i = length; i-- !== 0;)
+      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
+
+    for (i = length; i-- !== 0;) {
+      var key = keys[i];
+
+      if (!equal(a[key], b[key])) return false;
+    }
+
+    return true;
+  }
+
+  // true if both NaN, false otherwise
+  return a!==a && b!==b;
+};
diff --git a/node_modules/fast-deep-equal/package.json b/node_modules/fast-deep-equal/package.json
new file mode 100644
index 000000000..3cfe66c68
--- /dev/null
+++ b/node_modules/fast-deep-equal/package.json
@@ -0,0 +1,61 @@
+{
+  "name": "fast-deep-equal",
+  "version": "3.1.3",
+  "description": "Fast deep equal",
+  "main": "index.js",
+  "scripts": {
+    "eslint": "eslint *.js benchmark/*.js spec/*.js",
+    "build": "node build",
+    "benchmark": "npm i && npm run build && cd ./benchmark && npm i && node ./",
+    "test-spec": "mocha spec/*.spec.js -R spec",
+    "test-cov": "nyc npm run test-spec",
+    "test-ts": "tsc --target ES5 --noImplicitAny index.d.ts",
+    "test": "npm run build && npm run eslint && npm run test-ts && npm run test-cov",
+    "prepublish": "npm run build"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/epoberezkin/fast-deep-equal.git"
+  },
+  "keywords": [
+    "fast",
+    "equal",
+    "deep-equal"
+  ],
+  "author": "Evgeny Poberezkin",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/epoberezkin/fast-deep-equal/issues"
+  },
+  "homepage": "https://github.com/epoberezkin/fast-deep-equal#readme",
+  "devDependencies": {
+    "coveralls": "^3.1.0",
+    "dot": "^1.1.2",
+    "eslint": "^7.2.0",
+    "mocha": "^7.2.0",
+    "nyc": "^15.1.0",
+    "pre-commit": "^1.2.2",
+    "react": "^16.12.0",
+    "react-test-renderer": "^16.12.0",
+    "sinon": "^9.0.2",
+    "typescript": "^3.9.5"
+  },
+  "nyc": {
+    "exclude": [
+      "**/spec/**",
+      "node_modules"
+    ],
+    "reporter": [
+      "lcov",
+      "text-summary"
+    ]
+  },
+  "files": [
+    "index.js",
+    "index.d.ts",
+    "react.js",
+    "react.d.ts",
+    "es6/"
+  ],
+  "types": "index.d.ts"
+}
diff --git a/node_modules/fast-deep-equal/react.d.ts b/node_modules/fast-deep-equal/react.d.ts
new file mode 100644
index 000000000..c7eb9c796
--- /dev/null
+++ b/node_modules/fast-deep-equal/react.d.ts
@@ -0,0 +1,2 @@
+declare const equal: (a: any, b: any) => boolean;
+export = equal;
diff --git a/node_modules/fast-deep-equal/react.js b/node_modules/fast-deep-equal/react.js
new file mode 100644
index 000000000..3489b9833
--- /dev/null
+++ b/node_modules/fast-deep-equal/react.js
@@ -0,0 +1,53 @@
+'use strict';
+
+// do not edit .js files directly - edit src/index.jst
+
+
+
+module.exports = function equal(a, b) {
+  if (a === b) return true;
+
+  if (a && b && typeof a == 'object' && typeof b == 'object') {
+    if (a.constructor !== b.constructor) return false;
+
+    var length, i, keys;
+    if (Array.isArray(a)) {
+      length = a.length;
+      if (length != b.length) return false;
+      for (i = length; i-- !== 0;)
+        if (!equal(a[i], b[i])) return false;
+      return true;
+    }
+
+
+
+    if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
+    if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
+    if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
+
+    keys = Object.keys(a);
+    length = keys.length;
+    if (length !== Object.keys(b).length) return false;
+
+    for (i = length; i-- !== 0;)
+      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
+
+    for (i = length; i-- !== 0;) {
+      var key = keys[i];
+
+      if (key === '_owner' && a.$$typeof) {
+        // React-specific: avoid traversing React elements' _owner.
+        //  _owner contains circular references
+        // and is not needed when comparing the actual elements (and not their owners)
+        continue;
+      }
+
+      if (!equal(a[key], b[key])) return false;
+    }
+
+    return true;
+  }
+
+  // true if both NaN, false otherwise
+  return a!==a && b!==b;
+};
diff --git a/node_modules/fast-json-stable-stringify/.eslintrc.yml b/node_modules/fast-json-stable-stringify/.eslintrc.yml
new file mode 100644
index 000000000..1c77b0d47
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/.eslintrc.yml
@@ -0,0 +1,26 @@
+extends: eslint:recommended
+env:
+  node: true
+  browser: true
+rules:
+  block-scoped-var: 2
+  callback-return: 2
+  dot-notation: 2
+  indent: 2
+  linebreak-style: [2, unix]
+  new-cap: 2
+  no-console: [2, allow: [warn, error]]
+  no-else-return: 2
+  no-eq-null: 2
+  no-fallthrough: 2
+  no-invalid-this: 2
+  no-return-assign: 2
+  no-shadow: 1
+  no-trailing-spaces: 2
+  no-use-before-define: [2, nofunc]
+  quotes: [2, single, avoid-escape]
+  semi: [2, always]
+  strict: [2, global]
+  valid-jsdoc: [2, requireReturn: false]
+  no-control-regex: 0
+  no-useless-escape: 2
diff --git a/node_modules/fast-json-stable-stringify/.github/FUNDING.yml b/node_modules/fast-json-stable-stringify/.github/FUNDING.yml
new file mode 100644
index 000000000..61f9daa95
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/.github/FUNDING.yml
@@ -0,0 +1 @@
+tidelift: "npm/fast-json-stable-stringify"
diff --git a/node_modules/fast-json-stable-stringify/.travis.yml b/node_modules/fast-json-stable-stringify/.travis.yml
new file mode 100644
index 000000000..b61e8f0dc
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/.travis.yml
@@ -0,0 +1,8 @@
+language: node_js
+node_js:
+  - "8"
+  - "10"
+  - "12"
+  - "13"
+after_script:
+  - coveralls < coverage/lcov.info
diff --git a/node_modules/fast-json-stable-stringify/LICENSE b/node_modules/fast-json-stable-stringify/LICENSE
new file mode 100644
index 000000000..c932223b1
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/LICENSE
@@ -0,0 +1,21 @@
+This software is released under the MIT license:
+
+Copyright (c) 2017 Evgeny Poberezkin
+Copyright (c) 2013 James Halliday
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/fast-json-stable-stringify/README.md b/node_modules/fast-json-stable-stringify/README.md
new file mode 100644
index 000000000..02cf49ff3
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/README.md
@@ -0,0 +1,131 @@
+# fast-json-stable-stringify
+
+Deterministic `JSON.stringify()` - a faster version of [@substack](https://github.com/substack)'s json-stable-strigify without [jsonify](https://github.com/substack/jsonify).
+
+You can also pass in a custom comparison function.
+
+[![Build Status](https://travis-ci.org/epoberezkin/fast-json-stable-stringify.svg?branch=master)](https://travis-ci.org/epoberezkin/fast-json-stable-stringify)
+[![Coverage Status](https://coveralls.io/repos/github/epoberezkin/fast-json-stable-stringify/badge.svg?branch=master)](https://coveralls.io/github/epoberezkin/fast-json-stable-stringify?branch=master)
+
+# example
+
+``` js
+var stringify = require('fast-json-stable-stringify');
+var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
+console.log(stringify(obj));
+```
+
+output:
+
+```
+{"a":3,"b":[{"x":4,"y":5,"z":6},7],"c":8}
+```
+
+
+# methods
+
+``` js
+var stringify = require('fast-json-stable-stringify')
+```
+
+## var str = stringify(obj, opts)
+
+Return a deterministic stringified string `str` from the object `obj`.
+
+
+## options
+
+### cmp
+
+If `opts` is given, you can supply an `opts.cmp` to have a custom comparison
+function for object keys. Your function `opts.cmp` is called with these
+parameters:
+
+``` js
+opts.cmp({ key: akey, value: avalue }, { key: bkey, value: bvalue })
+```
+
+For example, to sort on the object key names in reverse order you could write:
+
+``` js
+var stringify = require('fast-json-stable-stringify');
+
+var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
+var s = stringify(obj, function (a, b) {
+    return a.key < b.key ? 1 : -1;
+});
+console.log(s);
+```
+
+which results in the output string:
+
+```
+{"c":8,"b":[{"z":6,"y":5,"x":4},7],"a":3}
+```
+
+Or if you wanted to sort on the object values in reverse order, you could write:
+
+```
+var stringify = require('fast-json-stable-stringify');
+
+var obj = { d: 6, c: 5, b: [{z:3,y:2,x:1},9], a: 10 };
+var s = stringify(obj, function (a, b) {
+    return a.value < b.value ? 1 : -1;
+});
+console.log(s);
+```
+
+which outputs:
+
+```
+{"d":6,"c":5,"b":[{"z":3,"y":2,"x":1},9],"a":10}
+```
+
+### cycles
+
+Pass `true` in `opts.cycles` to stringify circular property as `__cycle__` - the result will not be a valid JSON string in this case.
+
+TypeError will be thrown in case of circular object without this option.
+
+
+# install
+
+With [npm](https://npmjs.org) do:
+
+```
+npm install fast-json-stable-stringify
+```
+
+
+# benchmark
+
+To run benchmark (requires Node.js 6+):
+```
+node benchmark
+```
+
+Results:
+```
+fast-json-stable-stringify x 17,189 ops/sec ±1.43% (83 runs sampled)
+json-stable-stringify x 13,634 ops/sec ±1.39% (85 runs sampled)
+fast-stable-stringify x 20,212 ops/sec ±1.20% (84 runs sampled)
+faster-stable-stringify x 15,549 ops/sec ±1.12% (84 runs sampled)
+The fastest is fast-stable-stringify
+```
+
+
+## Enterprise support
+
+fast-json-stable-stringify package is a part of [Tidelift enterprise subscription](https://tidelift.com/subscription/pkg/npm-fast-json-stable-stringify?utm_source=npm-fast-json-stable-stringify&utm_medium=referral&utm_campaign=enterprise&utm_term=repo) - it provides a centralised commercial support to open-source software users, in addition to the support provided by software maintainers.
+
+
+## Security contact
+
+To report a security vulnerability, please use the
+[Tidelift security contact](https://tidelift.com/security).
+Tidelift will coordinate the fix and disclosure. Please do NOT report security vulnerability via GitHub issues.
+
+
+# license
+
+[MIT](https://github.com/epoberezkin/fast-json-stable-stringify/blob/master/LICENSE)
diff --git a/node_modules/fast-json-stable-stringify/benchmark/index.js b/node_modules/fast-json-stable-stringify/benchmark/index.js
new file mode 100644
index 000000000..e725f9fc5
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/benchmark/index.js
@@ -0,0 +1,31 @@
+'use strict';
+
+const Benchmark = require('benchmark');
+const suite = new Benchmark.Suite;
+const testData = require('./test.json');
+
+
+const stringifyPackages = {
+  // 'JSON.stringify': JSON.stringify,
+  'fast-json-stable-stringify': require('../index'),
+  'json-stable-stringify': true,
+  'fast-stable-stringify': true,
+  'faster-stable-stringify': true
+};
+
+
+for (const name in stringifyPackages) {
+  let func = stringifyPackages[name];
+  if (func === true) func = require(name);
+
+  suite.add(name, function() {
+    func(testData);
+  });
+}
+
+suite
+  .on('cycle', (event) => console.log(String(event.target)))
+  .on('complete', function () {
+    console.log('The fastest is ' + this.filter('fastest').map('name'));
+  })
+  .run({async: true});
diff --git a/node_modules/fast-json-stable-stringify/benchmark/test.json b/node_modules/fast-json-stable-stringify/benchmark/test.json
new file mode 100644
index 000000000..c9118c11f
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/benchmark/test.json
@@ -0,0 +1,137 @@
+[
+  {
+    "_id": "59ef4a83ee8364808d761beb",
+    "index": 0,
+    "guid": "e50ffae9-7128-4148-9ee5-40c3fc523c5d",
+    "isActive": false,
+    "balance": "$2,341.81",
+    "picture": "http://placehold.it/32x32",
+    "age": 28,
+    "eyeColor": "brown",
+    "name": "Carey Savage",
+    "gender": "female",
+    "company": "VERAQ",
+    "email": "careysavage@veraq.com",
+    "phone": "+1 (897) 574-3014",
+    "address": "458 Willow Street, Henrietta, California, 7234",
+    "about": "Nisi reprehenderit nulla ad officia pariatur non dolore laboris irure cupidatat laborum. Minim eu ex Lorem adipisicing exercitation irure minim sunt est enim mollit incididunt voluptate nulla. Ut mollit anim reprehenderit et aliqua ex esse aliquip. Aute sit duis deserunt do incididunt consequat minim qui dolor commodo deserunt et voluptate.\r\n",
+    "registered": "2014-05-21T01:56:51 -01:00",
+    "latitude": 63.89502,
+    "longitude": 62.369807,
+    "tags": [
+      "nostrud",
+      "nisi",
+      "consectetur",
+      "ullamco",
+      "cupidatat",
+      "culpa",
+      "commodo"
+    ],
+    "friends": [
+      {
+        "id": 0,
+        "name": "Henry Walls"
+      },
+      {
+        "id": 1,
+        "name": "Janice Baker"
+      },
+      {
+        "id": 2,
+        "name": "Russell Bush"
+      }
+    ],
+    "greeting": "Hello, Carey Savage! You have 4 unread messages.",
+    "favoriteFruit": "banana"
+  },
+  {
+    "_id": "59ef4a83ff5774a691454e89",
+    "index": 1,
+    "guid": "2bee9efc-4095-4c2e-87ef-d08c8054c89d",
+    "isActive": true,
+    "balance": "$1,618.15",
+    "picture": "http://placehold.it/32x32",
+    "age": 35,
+    "eyeColor": "blue",
+    "name": "Elinor Pearson",
+    "gender": "female",
+    "company": "FLEXIGEN",
+    "email": "elinorpearson@flexigen.com",
+    "phone": "+1 (923) 548-3751",
+    "address": "600 Bayview Avenue, Draper, Montana, 3088",
+    "about": "Mollit commodo ea sit Lorem velit. Irure anim esse Lorem sint quis officia ut. Aliqua nisi dolore in aute deserunt mollit ex ea in mollit.\r\n",
+    "registered": "2017-04-22T07:58:41 -01:00",
+    "latitude": -87.824919,
+    "longitude": 69.538927,
+    "tags": [
+      "fugiat",
+      "labore",
+      "proident",
+      "quis",
+      "eiusmod",
+      "qui",
+      "est"
+    ],
+    "friends": [
+      {
+        "id": 0,
+        "name": "Massey Wagner"
+      },
+      {
+        "id": 1,
+        "name": "Marcella Ferrell"
+      },
+      {
+        "id": 2,
+        "name": "Evans Mckee"
+      }
+    ],
+    "greeting": "Hello, Elinor Pearson! You have 3 unread messages.",
+    "favoriteFruit": "strawberry"
+  },
+  {
+    "_id": "59ef4a839ec8a4be4430b36b",
+    "index": 2,
+    "guid": "ddd6e8c0-95bd-416d-8b46-a768d6363809",
+    "isActive": false,
+    "balance": "$2,046.95",
+    "picture": "http://placehold.it/32x32",
+    "age": 40,
+    "eyeColor": "green",
+    "name": "Irwin Davidson",
+    "gender": "male",
+    "company": "DANJA",
+    "email": "irwindavidson@danja.com",
+    "phone": "+1 (883) 537-2041",
+    "address": "439 Cook Street, Chapin, Kentucky, 7398",
+    "about": "Irure velit non commodo aliqua exercitation ut nostrud minim magna. Dolor ad ad ut irure eu. Non pariatur dolor eiusmod ipsum do et exercitation cillum. Et amet laboris minim eiusmod ullamco magna ea reprehenderit proident sunt.\r\n",
+    "registered": "2016-09-01T07:49:08 -01:00",
+    "latitude": -49.803812,
+    "longitude": 104.93279,
+    "tags": [
+      "consequat",
+      "enim",
+      "quis",
+      "magna",
+      "est",
+      "culpa",
+      "tempor"
+    ],
+    "friends": [
+      {
+        "id": 0,
+        "name": "Ruth Hansen"
+      },
+      {
+        "id": 1,
+        "name": "Kathrine Austin"
+      },
+      {
+        "id": 2,
+        "name": "Rivera Munoz"
+      }
+    ],
+    "greeting": "Hello, Irwin Davidson! You have 2 unread messages.",
+    "favoriteFruit": "banana"
+  }
+]
diff --git a/node_modules/fast-json-stable-stringify/example/key_cmp.js b/node_modules/fast-json-stable-stringify/example/key_cmp.js
new file mode 100644
index 000000000..d5f66752d
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/example/key_cmp.js
@@ -0,0 +1,7 @@
+var stringify = require('../');
+
+var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
+var s = stringify(obj, function (a, b) {
+    return a.key < b.key ? 1 : -1;
+});
+console.log(s);
diff --git a/node_modules/fast-json-stable-stringify/example/nested.js b/node_modules/fast-json-stable-stringify/example/nested.js
new file mode 100644
index 000000000..9a672fc65
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/example/nested.js
@@ -0,0 +1,3 @@
+var stringify = require('../');
+var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
+console.log(stringify(obj));
diff --git a/node_modules/fast-json-stable-stringify/example/str.js b/node_modules/fast-json-stable-stringify/example/str.js
new file mode 100644
index 000000000..9b4b3cd28
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/example/str.js
@@ -0,0 +1,3 @@
+var stringify = require('../');
+var obj = { c: 6, b: [4,5], a: 3 };
+console.log(stringify(obj));
diff --git a/node_modules/fast-json-stable-stringify/example/value_cmp.js b/node_modules/fast-json-stable-stringify/example/value_cmp.js
new file mode 100644
index 000000000..09f1c5f79
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/example/value_cmp.js
@@ -0,0 +1,7 @@
+var stringify = require('../');
+
+var obj = { d: 6, c: 5, b: [{z:3,y:2,x:1},9], a: 10 };
+var s = stringify(obj, function (a, b) {
+    return a.value < b.value ? 1 : -1;
+});
+console.log(s);
diff --git a/node_modules/fast-json-stable-stringify/index.d.ts b/node_modules/fast-json-stable-stringify/index.d.ts
new file mode 100644
index 000000000..23e46cafc
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/index.d.ts
@@ -0,0 +1,4 @@
+declare module 'fast-json-stable-stringify' {
+  function stringify(obj: any): string;
+  export = stringify;
+}
diff --git a/node_modules/fast-json-stable-stringify/index.js b/node_modules/fast-json-stable-stringify/index.js
new file mode 100644
index 000000000..c44e6a413
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/index.js
@@ -0,0 +1,59 @@
+'use strict';
+
+module.exports = function (data, opts) {
+    if (!opts) opts = {};
+    if (typeof opts === 'function') opts = { cmp: opts };
+    var cycles = (typeof opts.cycles === 'boolean') ? opts.cycles : false;
+
+    var cmp = opts.cmp && (function (f) {
+        return function (node) {
+            return function (a, b) {
+                var aobj = { key: a, value: node[a] };
+                var bobj = { key: b, value: node[b] };
+                return f(aobj, bobj);
+            };
+        };
+    })(opts.cmp);
+
+    var seen = [];
+    return (function stringify (node) {
+        if (node && node.toJSON && typeof node.toJSON === 'function') {
+            node = node.toJSON();
+        }
+
+        if (node === undefined) return;
+        if (typeof node == 'number') return isFinite(node) ? '' + node : 'null';
+        if (typeof node !== 'object') return JSON.stringify(node);
+
+        var i, out;
+        if (Array.isArray(node)) {
+            out = '[';
+            for (i = 0; i < node.length; i++) {
+                if (i) out += ',';
+                out += stringify(node[i]) || 'null';
+            }
+            return out + ']';
+        }
+
+        if (node === null) return 'null';
+
+        if (seen.indexOf(node) !== -1) {
+            if (cycles) return JSON.stringify('__cycle__');
+            throw new TypeError('Converting circular structure to JSON');
+        }
+
+        var seenIndex = seen.push(node) - 1;
+        var keys = Object.keys(node).sort(cmp && cmp(node));
+        out = '';
+        for (i = 0; i < keys.length; i++) {
+            var key = keys[i];
+            var value = stringify(node[key]);
+
+            if (!value) continue;
+            if (out) out += ',';
+            out += JSON.stringify(key) + ':' + value;
+        }
+        seen.splice(seenIndex, 1);
+        return '{' + out + '}';
+    })(data);
+};
diff --git a/node_modules/fast-json-stable-stringify/package.json b/node_modules/fast-json-stable-stringify/package.json
new file mode 100644
index 000000000..ad2c8bff7
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/package.json
@@ -0,0 +1,52 @@
+{
+  "name": "fast-json-stable-stringify",
+  "version": "2.1.0",
+  "description": "deterministic `JSON.stringify()` - a faster version of substack's json-stable-strigify without jsonify",
+  "main": "index.js",
+  "types": "index.d.ts",
+  "dependencies": {},
+  "devDependencies": {
+    "benchmark": "^2.1.4",
+    "coveralls": "^3.0.0",
+    "eslint": "^6.7.0",
+    "fast-stable-stringify": "latest",
+    "faster-stable-stringify": "latest",
+    "json-stable-stringify": "latest",
+    "nyc": "^14.1.0",
+    "pre-commit": "^1.2.2",
+    "tape": "^4.11.0"
+  },
+  "scripts": {
+    "eslint": "eslint index.js test",
+    "test-spec": "tape test/*.js",
+    "test": "npm run eslint && nyc npm run test-spec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/epoberezkin/fast-json-stable-stringify.git"
+  },
+  "homepage": "https://github.com/epoberezkin/fast-json-stable-stringify",
+  "keywords": [
+    "json",
+    "stringify",
+    "deterministic",
+    "hash",
+    "stable"
+  ],
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "license": "MIT",
+  "nyc": {
+    "exclude": [
+      "test",
+      "node_modules"
+    ],
+    "reporter": [
+      "lcov",
+      "text-summary"
+    ]
+  }
+}
diff --git a/node_modules/fast-json-stable-stringify/test/cmp.js b/node_modules/fast-json-stable-stringify/test/cmp.js
new file mode 100644
index 000000000..4efd6b597
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/test/cmp.js
@@ -0,0 +1,13 @@
+'use strict';
+
+var test = require('tape');
+var stringify = require('../');
+
+test('custom comparison function', function (t) {
+    t.plan(1);
+    var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
+    var s = stringify(obj, function (a, b) {
+        return a.key < b.key ? 1 : -1;
+    });
+    t.equal(s, '{"c":8,"b":[{"z":6,"y":5,"x":4},7],"a":3}');
+});
diff --git a/node_modules/fast-json-stable-stringify/test/nested.js b/node_modules/fast-json-stable-stringify/test/nested.js
new file mode 100644
index 000000000..167a358e0
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/test/nested.js
@@ -0,0 +1,44 @@
+'use strict';
+
+var test = require('tape');
+var stringify = require('../');
+
+test('nested', function (t) {
+    t.plan(1);
+    var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 };
+    t.equal(stringify(obj), '{"a":3,"b":[{"x":4,"y":5,"z":6},7],"c":8}');
+});
+
+test('cyclic (default)', function (t) {
+    t.plan(1);
+    var one = { a: 1 };
+    var two = { a: 2, one: one };
+    one.two = two;
+    try {
+        stringify(one);
+    } catch (ex) {
+        t.equal(ex.toString(), 'TypeError: Converting circular structure to JSON');
+    }
+});
+
+test('cyclic (specifically allowed)', function (t) {
+    t.plan(1);
+    var one = { a: 1 };
+    var two = { a: 2, one: one };
+    one.two = two;
+    t.equal(stringify(one, {cycles:true}), '{"a":1,"two":{"a":2,"one":"__cycle__"}}');
+});
+
+test('repeated non-cyclic value', function(t) {
+    t.plan(1);
+    var one = { x: 1 };
+    var two = { a: one, b: one };
+    t.equal(stringify(two), '{"a":{"x":1},"b":{"x":1}}');
+});
+
+test('acyclic but with reused obj-property pointers', function (t) {
+    t.plan(1);
+    var x = { a: 1 };
+    var y = { b: x, c: x };
+    t.equal(stringify(y), '{"b":{"a":1},"c":{"a":1}}');
+});
diff --git a/node_modules/fast-json-stable-stringify/test/str.js b/node_modules/fast-json-stable-stringify/test/str.js
new file mode 100644
index 000000000..99a9ade18
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/test/str.js
@@ -0,0 +1,46 @@
+'use strict';
+
+var test = require('tape');
+var stringify = require('../');
+
+test('simple object', function (t) {
+    t.plan(1);
+    var obj = { c: 6, b: [4,5], a: 3, z: null };
+    t.equal(stringify(obj), '{"a":3,"b":[4,5],"c":6,"z":null}');
+});
+
+test('object with undefined', function (t) {
+    t.plan(1);
+    var obj = { a: 3, z: undefined };
+    t.equal(stringify(obj), '{"a":3}');
+});
+
+test('object with null', function (t) {
+    t.plan(1);
+    var obj = { a: 3, z: null };
+    t.equal(stringify(obj), '{"a":3,"z":null}');
+});
+
+test('object with NaN and Infinity', function (t) {
+    t.plan(1);
+    var obj = { a: 3, b: NaN, c: Infinity };
+    t.equal(stringify(obj), '{"a":3,"b":null,"c":null}');
+});
+
+test('array with undefined', function (t) {
+    t.plan(1);
+    var obj = [4, undefined, 6];
+    t.equal(stringify(obj), '[4,null,6]');
+});
+
+test('object with empty string', function (t) {
+    t.plan(1);
+    var obj = { a: 3, z: '' };
+    t.equal(stringify(obj), '{"a":3,"z":""}');
+});
+
+test('array with empty string', function (t) {
+    t.plan(1);
+    var obj = [4, '', 6];
+    t.equal(stringify(obj), '[4,"",6]');
+});
diff --git a/node_modules/fast-json-stable-stringify/test/to-json.js b/node_modules/fast-json-stable-stringify/test/to-json.js
new file mode 100644
index 000000000..2fb2cfa3e
--- /dev/null
+++ b/node_modules/fast-json-stable-stringify/test/to-json.js
@@ -0,0 +1,22 @@
+'use strict';
+
+var test = require('tape');
+var stringify = require('../');
+
+test('toJSON function', function (t) {
+    t.plan(1);
+    var obj = { one: 1, two: 2, toJSON: function() { return { one: 1 }; } };
+    t.equal(stringify(obj), '{"one":1}' );
+});
+
+test('toJSON returns string', function (t) {
+    t.plan(1);
+    var obj = { one: 1, two: 2, toJSON: function() { return 'one'; } };
+    t.equal(stringify(obj), '"one"');
+});
+
+test('toJSON returns array', function (t) {
+    t.plan(1);
+    var obj = { one: 1, two: 2, toJSON: function() { return ['one']; } };
+    t.equal(stringify(obj), '["one"]');
+});
diff --git a/node_modules/finalhandler/HISTORY.md b/node_modules/finalhandler/HISTORY.md
new file mode 100644
index 000000000..ec2d38b5d
--- /dev/null
+++ b/node_modules/finalhandler/HISTORY.md
@@ -0,0 +1,195 @@
+1.2.0 / 2022-03-22
+==================
+
+  * Remove set content headers that break response
+  * deps: on-finished@2.4.1
+  * deps: statuses@2.0.1
+    - Rename `425 Unordered Collection` to standard `425 Too Early`
+
+1.1.2 / 2019-05-09
+==================
+
+  * Set stricter `Content-Security-Policy` header
+  * deps: parseurl@~1.3.3
+  * deps: statuses@~1.5.0
+
+1.1.1 / 2018-03-06
+==================
+
+  * Fix 404 output for bad / missing pathnames
+  * deps: encodeurl@~1.0.2
+    - Fix encoding `%` as last character
+  * deps: statuses@~1.4.0
+
+1.1.0 / 2017-09-24
+==================
+
+  * Use `res.headersSent` when available
+
+1.0.6 / 2017-09-22
+==================
+
+  * deps: debug@2.6.9
+
+1.0.5 / 2017-09-15
+==================
+
+  * deps: parseurl@~1.3.2
+    - perf: reduce overhead for full URLs
+    - perf: unroll the "fast-path" `RegExp`
+
+1.0.4 / 2017-08-03
+==================
+
+  * deps: debug@2.6.8
+
+1.0.3 / 2017-05-16
+==================
+
+  * deps: debug@2.6.7
+    - deps: ms@2.0.0
+
+1.0.2 / 2017-04-22
+==================
+
+  * deps: debug@2.6.4
+    - deps: ms@0.7.3
+
+1.0.1 / 2017-03-21
+==================
+
+  * Fix missing `</html>` in HTML document
+  * deps: debug@2.6.3
+    - Fix: `DEBUG_MAX_ARRAY_LENGTH`
+
+1.0.0 / 2017-02-15
+==================
+
+  * Fix exception when `err` cannot be converted to a string
+  * Fully URL-encode the pathname in the 404 message
+  * Only include the pathname in the 404 message
+  * Send complete HTML document
+  * Set `Content-Security-Policy: default-src 'self'` header
+  * deps: debug@2.6.1
+    - Allow colors in workers
+    - Deprecated `DEBUG_FD` environment variable set to `3` or higher
+    - Fix error when running under React Native
+    - Use same color for same namespace
+    - deps: ms@0.7.2
+
+0.5.1 / 2016-11-12
+==================
+
+  * Fix exception when `err.headers` is not an object
+  * deps: statuses@~1.3.1
+  * perf: hoist regular expressions
+  * perf: remove duplicate validation path
+
+0.5.0 / 2016-06-15
+==================
+
+  * Change invalid or non-numeric status code to 500
+  * Overwrite status message to match set status code
+  * Prefer `err.statusCode` if `err.status` is invalid
+  * Set response headers from `err.headers` object
+  * Use `statuses` instead of `http` module for status messages
+    - Includes all defined status messages
+
+0.4.1 / 2015-12-02
+==================
+
+  * deps: escape-html@~1.0.3
+    - perf: enable strict mode
+    - perf: optimize string replacement
+    - perf: use faster string coercion
+
+0.4.0 / 2015-06-14
+==================
+
+  * Fix a false-positive when unpiping in Node.js 0.8
+  * Support `statusCode` property on `Error` objects
+  * Use `unpipe` module for unpiping requests
+  * deps: escape-html@1.0.2
+  * deps: on-finished@~2.3.0
+    - Add defined behavior for HTTP `CONNECT` requests
+    - Add defined behavior for HTTP `Upgrade` requests
+    - deps: ee-first@1.1.1
+  * perf: enable strict mode
+  * perf: remove argument reassignment
+
+0.3.6 / 2015-05-11
+==================
+
+  * deps: debug@~2.2.0
+    - deps: ms@0.7.1
+
+0.3.5 / 2015-04-22
+==================
+
+  * deps: on-finished@~2.2.1
+    - Fix `isFinished(req)` when data buffered
+
+0.3.4 / 2015-03-15
+==================
+
+  * deps: debug@~2.1.3
+    - Fix high intensity foreground color for bold
+    - deps: ms@0.7.0
+
+0.3.3 / 2015-01-01
+==================
+
+  * deps: debug@~2.1.1
+  * deps: on-finished@~2.2.0
+
+0.3.2 / 2014-10-22
+==================
+
+  * deps: on-finished@~2.1.1
+    - Fix handling of pipelined requests
+
+0.3.1 / 2014-10-16
+==================
+
+  * deps: debug@~2.1.0
+    - Implement `DEBUG_FD` env variable support
+
+0.3.0 / 2014-09-17
+==================
+
+  * Terminate in progress response only on error
+  * Use `on-finished` to determine request status
+
+0.2.0 / 2014-09-03
+==================
+
+  * Set `X-Content-Type-Options: nosniff` header
+  * deps: debug@~2.0.0
+
+0.1.0 / 2014-07-16
+==================
+
+  * Respond after request fully read
+    - prevents hung responses and socket hang ups
+  * deps: debug@1.0.4
+
+0.0.3 / 2014-07-11
+==================
+
+  * deps: debug@1.0.3
+    - Add support for multiple wildcards in namespaces
+
+0.0.2 / 2014-06-19
+==================
+
+  * Handle invalid status codes
+
+0.0.1 / 2014-06-05
+==================
+
+  * deps: debug@1.0.2
+
+0.0.0 / 2014-06-05
+==================
+
+  * Extracted from connect/express
diff --git a/node_modules/finalhandler/LICENSE b/node_modules/finalhandler/LICENSE
new file mode 100644
index 000000000..60221067c
--- /dev/null
+++ b/node_modules/finalhandler/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2014-2022 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/finalhandler/README.md b/node_modules/finalhandler/README.md
new file mode 100644
index 000000000..81f10ef3d
--- /dev/null
+++ b/node_modules/finalhandler/README.md
@@ -0,0 +1,147 @@
+# finalhandler
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-image]][node-url]
+[![Build Status][github-actions-ci-image]][github-actions-ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Node.js function to invoke as the final step to respond to HTTP request.
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install finalhandler
+```
+
+## API
+
+```js
+var finalhandler = require('finalhandler')
+```
+
+### finalhandler(req, res, [options])
+
+Returns function to be invoked as the final step for the given `req` and `res`.
+This function is to be invoked as `fn(err)`. If `err` is falsy, the handler will
+write out a 404 response to the `res`. If it is truthy, an error response will
+be written out to the `res` or `res` will be terminated if a response has already
+started.
+
+When an error is written, the following information is added to the response:
+
+  * The `res.statusCode` is set from `err.status` (or `err.statusCode`). If
+    this value is outside the 4xx or 5xx range, it will be set to 500.
+  * The `res.statusMessage` is set according to the status code.
+  * The body will be the HTML of the status code message if `env` is
+    `'production'`, otherwise will be `err.stack`.
+  * Any headers specified in an `err.headers` object.
+
+The final handler will also unpipe anything from `req` when it is invoked.
+
+#### options.env
+
+By default, the environment is determined by `NODE_ENV` variable, but it can be
+overridden by this option.
+
+#### options.onerror
+
+Provide a function to be called with the `err` when it exists. Can be used for
+writing errors to a central location without excessive function generation. Called
+as `onerror(err, req, res)`.
+
+## Examples
+
+### always 404
+
+```js
+var finalhandler = require('finalhandler')
+var http = require('http')
+
+var server = http.createServer(function (req, res) {
+  var done = finalhandler(req, res)
+  done()
+})
+
+server.listen(3000)
+```
+
+### perform simple action
+
+```js
+var finalhandler = require('finalhandler')
+var fs = require('fs')
+var http = require('http')
+
+var server = http.createServer(function (req, res) {
+  var done = finalhandler(req, res)
+
+  fs.readFile('index.html', function (err, buf) {
+    if (err) return done(err)
+    res.setHeader('Content-Type', 'text/html')
+    res.end(buf)
+  })
+})
+
+server.listen(3000)
+```
+
+### use with middleware-style functions
+
+```js
+var finalhandler = require('finalhandler')
+var http = require('http')
+var serveStatic = require('serve-static')
+
+var serve = serveStatic('public')
+
+var server = http.createServer(function (req, res) {
+  var done = finalhandler(req, res)
+  serve(req, res, done)
+})
+
+server.listen(3000)
+```
+
+### keep log of all errors
+
+```js
+var finalhandler = require('finalhandler')
+var fs = require('fs')
+var http = require('http')
+
+var server = http.createServer(function (req, res) {
+  var done = finalhandler(req, res, { onerror: logerror })
+
+  fs.readFile('index.html', function (err, buf) {
+    if (err) return done(err)
+    res.setHeader('Content-Type', 'text/html')
+    res.end(buf)
+  })
+})
+
+server.listen(3000)
+
+function logerror (err) {
+  console.error(err.stack || err.toString())
+}
+```
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/finalhandler.svg
+[npm-url]: https://npmjs.org/package/finalhandler
+[node-image]: https://img.shields.io/node/v/finalhandler.svg
+[node-url]: https://nodejs.org/en/download
+[coveralls-image]: https://img.shields.io/coveralls/pillarjs/finalhandler.svg
+[coveralls-url]: https://coveralls.io/r/pillarjs/finalhandler?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/finalhandler.svg
+[downloads-url]: https://npmjs.org/package/finalhandler
+[github-actions-ci-image]: https://img.shields.io/github/workflow/status/pillarjs/finalhandler/ci/master?label=ci
+[github-actions-ci-url]: https://github.com/jshttp/pillarjs/finalhandler?query=workflow%3Aci
diff --git a/node_modules/finalhandler/SECURITY.md b/node_modules/finalhandler/SECURITY.md
new file mode 100644
index 000000000..6e23249f5
--- /dev/null
+++ b/node_modules/finalhandler/SECURITY.md
@@ -0,0 +1,25 @@
+# Security Policies and Procedures
+
+## Reporting a Bug
+
+The `finalhandler` team and community take all security bugs seriously. Thank
+you for improving the security of Express. We appreciate your efforts and
+responsible disclosure and will make every effort to acknowledge your
+contributions.
+
+Report security bugs by emailing the current owner(s) of `finalhandler`. This
+information can be found in the npm registry using the command
+`npm owner ls finalhandler`.
+If unsure or unable to get the information from the above, open an issue
+in the [project issue tracker](https://github.com/pillarjs/finalhandler/issues)
+asking for the current contact information.
+
+To ensure the timely response to your report, please ensure that the entirety
+of the report is contained within the email body and not solely behind a web
+link or an attachment.
+
+At least one owner will acknowledge your email within 48 hours, and will send a
+more detailed response within 48 hours indicating the next steps in handling
+your report. After the initial reply to your report, the owners will
+endeavor to keep you informed of the progress towards a fix and full
+announcement, and may ask for additional information or guidance.
diff --git a/node_modules/finalhandler/index.js b/node_modules/finalhandler/index.js
new file mode 100644
index 000000000..f628e42fa
--- /dev/null
+++ b/node_modules/finalhandler/index.js
@@ -0,0 +1,336 @@
+/*!
+ * finalhandler
+ * Copyright(c) 2014-2022 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var debug = require('debug')('finalhandler')
+var encodeUrl = require('encodeurl')
+var escapeHtml = require('escape-html')
+var onFinished = require('on-finished')
+var parseUrl = require('parseurl')
+var statuses = require('statuses')
+var unpipe = require('unpipe')
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var DOUBLE_SPACE_REGEXP = /\x20{2}/g
+var NEWLINE_REGEXP = /\n/g
+
+/* istanbul ignore next */
+var defer = typeof setImmediate === 'function'
+  ? setImmediate
+  : function (fn) { process.nextTick(fn.bind.apply(fn, arguments)) }
+var isFinished = onFinished.isFinished
+
+/**
+ * Create a minimal HTML document.
+ *
+ * @param {string} message
+ * @private
+ */
+
+function createHtmlDocument (message) {
+  var body = escapeHtml(message)
+    .replace(NEWLINE_REGEXP, '<br>')
+    .replace(DOUBLE_SPACE_REGEXP, ' &nbsp;')
+
+  return '<!DOCTYPE html>\n' +
+    '<html lang="en">\n' +
+    '<head>\n' +
+    '<meta charset="utf-8">\n' +
+    '<title>Error</title>\n' +
+    '</head>\n' +
+    '<body>\n' +
+    '<pre>' + body + '</pre>\n' +
+    '</body>\n' +
+    '</html>\n'
+}
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = finalhandler
+
+/**
+ * Create a function to handle the final response.
+ *
+ * @param {Request} req
+ * @param {Response} res
+ * @param {Object} [options]
+ * @return {Function}
+ * @public
+ */
+
+function finalhandler (req, res, options) {
+  var opts = options || {}
+
+  // get environment
+  var env = opts.env || process.env.NODE_ENV || 'development'
+
+  // get error callback
+  var onerror = opts.onerror
+
+  return function (err) {
+    var headers
+    var msg
+    var status
+
+    // ignore 404 on in-flight response
+    if (!err && headersSent(res)) {
+      debug('cannot 404 after headers sent')
+      return
+    }
+
+    // unhandled error
+    if (err) {
+      // respect status code from error
+      status = getErrorStatusCode(err)
+
+      if (status === undefined) {
+        // fallback to status code on response
+        status = getResponseStatusCode(res)
+      } else {
+        // respect headers from error
+        headers = getErrorHeaders(err)
+      }
+
+      // get error message
+      msg = getErrorMessage(err, status, env)
+    } else {
+      // not found
+      status = 404
+      msg = 'Cannot ' + req.method + ' ' + encodeUrl(getResourceName(req))
+    }
+
+    debug('default %s', status)
+
+    // schedule onerror callback
+    if (err && onerror) {
+      defer(onerror, err, req, res)
+    }
+
+    // cannot actually respond
+    if (headersSent(res)) {
+      debug('cannot %d after headers sent', status)
+      req.socket.destroy()
+      return
+    }
+
+    // send response
+    send(req, res, status, headers, msg)
+  }
+}
+
+/**
+ * Get headers from Error object.
+ *
+ * @param {Error} err
+ * @return {object}
+ * @private
+ */
+
+function getErrorHeaders (err) {
+  if (!err.headers || typeof err.headers !== 'object') {
+    return undefined
+  }
+
+  var headers = Object.create(null)
+  var keys = Object.keys(err.headers)
+
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i]
+    headers[key] = err.headers[key]
+  }
+
+  return headers
+}
+
+/**
+ * Get message from Error object, fallback to status message.
+ *
+ * @param {Error} err
+ * @param {number} status
+ * @param {string} env
+ * @return {string}
+ * @private
+ */
+
+function getErrorMessage (err, status, env) {
+  var msg
+
+  if (env !== 'production') {
+    // use err.stack, which typically includes err.message
+    msg = err.stack
+
+    // fallback to err.toString() when possible
+    if (!msg && typeof err.toString === 'function') {
+      msg = err.toString()
+    }
+  }
+
+  return msg || statuses.message[status]
+}
+
+/**
+ * Get status code from Error object.
+ *
+ * @param {Error} err
+ * @return {number}
+ * @private
+ */
+
+function getErrorStatusCode (err) {
+  // check err.status
+  if (typeof err.status === 'number' && err.status >= 400 && err.status < 600) {
+    return err.status
+  }
+
+  // check err.statusCode
+  if (typeof err.statusCode === 'number' && err.statusCode >= 400 && err.statusCode < 600) {
+    return err.statusCode
+  }
+
+  return undefined
+}
+
+/**
+ * Get resource name for the request.
+ *
+ * This is typically just the original pathname of the request
+ * but will fallback to "resource" is that cannot be determined.
+ *
+ * @param {IncomingMessage} req
+ * @return {string}
+ * @private
+ */
+
+function getResourceName (req) {
+  try {
+    return parseUrl.original(req).pathname
+  } catch (e) {
+    return 'resource'
+  }
+}
+
+/**
+ * Get status code from response.
+ *
+ * @param {OutgoingMessage} res
+ * @return {number}
+ * @private
+ */
+
+function getResponseStatusCode (res) {
+  var status = res.statusCode
+
+  // default status code to 500 if outside valid range
+  if (typeof status !== 'number' || status < 400 || status > 599) {
+    status = 500
+  }
+
+  return status
+}
+
+/**
+ * Determine if the response headers have been sent.
+ *
+ * @param {object} res
+ * @returns {boolean}
+ * @private
+ */
+
+function headersSent (res) {
+  return typeof res.headersSent !== 'boolean'
+    ? Boolean(res._header)
+    : res.headersSent
+}
+
+/**
+ * Send response.
+ *
+ * @param {IncomingMessage} req
+ * @param {OutgoingMessage} res
+ * @param {number} status
+ * @param {object} headers
+ * @param {string} message
+ * @private
+ */
+
+function send (req, res, status, headers, message) {
+  function write () {
+    // response body
+    var body = createHtmlDocument(message)
+
+    // response status
+    res.statusCode = status
+    res.statusMessage = statuses.message[status]
+
+    // remove any content headers
+    res.removeHeader('Content-Encoding')
+    res.removeHeader('Content-Language')
+    res.removeHeader('Content-Range')
+
+    // response headers
+    setHeaders(res, headers)
+
+    // security headers
+    res.setHeader('Content-Security-Policy', "default-src 'none'")
+    res.setHeader('X-Content-Type-Options', 'nosniff')
+
+    // standard headers
+    res.setHeader('Content-Type', 'text/html; charset=utf-8')
+    res.setHeader('Content-Length', Buffer.byteLength(body, 'utf8'))
+
+    if (req.method === 'HEAD') {
+      res.end()
+      return
+    }
+
+    res.end(body, 'utf8')
+  }
+
+  if (isFinished(req)) {
+    write()
+    return
+  }
+
+  // unpipe everything from the request
+  unpipe(req)
+
+  // flush the request
+  onFinished(req, write)
+  req.resume()
+}
+
+/**
+ * Set response headers from an object.
+ *
+ * @param {OutgoingMessage} res
+ * @param {object} headers
+ * @private
+ */
+
+function setHeaders (res, headers) {
+  if (!headers) {
+    return
+  }
+
+  var keys = Object.keys(headers)
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i]
+    res.setHeader(key, headers[key])
+  }
+}
diff --git a/node_modules/finalhandler/package.json b/node_modules/finalhandler/package.json
new file mode 100644
index 000000000..16bf11ed7
--- /dev/null
+++ b/node_modules/finalhandler/package.json
@@ -0,0 +1,46 @@
+{
+  "name": "finalhandler",
+  "description": "Node.js final http responder",
+  "version": "1.2.0",
+  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
+  "license": "MIT",
+  "repository": "pillarjs/finalhandler",
+  "dependencies": {
+    "debug": "2.6.9",
+    "encodeurl": "~1.0.2",
+    "escape-html": "~1.0.3",
+    "on-finished": "2.4.1",
+    "parseurl": "~1.3.3",
+    "statuses": "2.0.1",
+    "unpipe": "~1.0.0"
+  },
+  "devDependencies": {
+    "eslint": "7.32.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.25.4",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "5.2.0",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "9.2.2",
+    "nyc": "15.1.0",
+    "readable-stream": "2.3.6",
+    "safe-buffer": "5.2.1",
+    "supertest": "6.2.2"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "SECURITY.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-ci": "nyc --reporter=lcovonly --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  }
+}
diff --git a/node_modules/forever-agent/LICENSE b/node_modules/forever-agent/LICENSE
new file mode 100644
index 000000000..a4a9aee0c
--- /dev/null
+++ b/node_modules/forever-agent/LICENSE
@@ -0,0 +1,55 @@
+Apache License
+
+Version 2.0, January 2004
+
+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+"License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document.
+
+"Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License.
+
+"Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.
+
+"You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
+
+"Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files.
+
+"Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types.
+
+"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below).
+
+"Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof.
+
+"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
+
+"Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work.
+
+2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
+
+3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed.
+
+4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions:
+
+You must give any other recipients of the Work or Derivative Works a copy of this License; and
+
+You must cause any modified files to carry prominent notices stating that You changed the files; and
+
+You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and
+
+If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License. You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License.
+
+5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.
+
+6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.
+
+8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
+
+END OF TERMS AND CONDITIONS
\ No newline at end of file
diff --git a/node_modules/forever-agent/README.md b/node_modules/forever-agent/README.md
new file mode 100644
index 000000000..9d5b66343
--- /dev/null
+++ b/node_modules/forever-agent/README.md
@@ -0,0 +1,4 @@
+forever-agent
+=============
+
+HTTP Agent that keeps socket connections alive between keep-alive requests. Formerly part of mikeal/request, now a standalone module.
diff --git a/node_modules/forever-agent/index.js b/node_modules/forever-agent/index.js
new file mode 100644
index 000000000..416c7abd7
--- /dev/null
+++ b/node_modules/forever-agent/index.js
@@ -0,0 +1,138 @@
+module.exports = ForeverAgent
+ForeverAgent.SSL = ForeverAgentSSL
+
+var util = require('util')
+  , Agent = require('http').Agent
+  , net = require('net')
+  , tls = require('tls')
+  , AgentSSL = require('https').Agent
+  
+function getConnectionName(host, port) {  
+  var name = ''
+  if (typeof host === 'string') {
+    name = host + ':' + port
+  } else {
+    // For node.js v012.0 and iojs-v1.5.1, host is an object. And any existing localAddress is part of the connection name.
+    name = host.host + ':' + host.port + ':' + (host.localAddress ? (host.localAddress + ':') : ':')
+  }
+  return name
+}    
+
+function ForeverAgent(options) {
+  var self = this
+  self.options = options || {}
+  self.requests = {}
+  self.sockets = {}
+  self.freeSockets = {}
+  self.maxSockets = self.options.maxSockets || Agent.defaultMaxSockets
+  self.minSockets = self.options.minSockets || ForeverAgent.defaultMinSockets
+  self.on('free', function(socket, host, port) {
+    var name = getConnectionName(host, port)
+
+    if (self.requests[name] && self.requests[name].length) {
+      self.requests[name].shift().onSocket(socket)
+    } else if (self.sockets[name].length < self.minSockets) {
+      if (!self.freeSockets[name]) self.freeSockets[name] = []
+      self.freeSockets[name].push(socket)
+      
+      // if an error happens while we don't use the socket anyway, meh, throw the socket away
+      var onIdleError = function() {
+        socket.destroy()
+      }
+      socket._onIdleError = onIdleError
+      socket.on('error', onIdleError)
+    } else {
+      // If there are no pending requests just destroy the
+      // socket and it will get removed from the pool. This
+      // gets us out of timeout issues and allows us to
+      // default to Connection:keep-alive.
+      socket.destroy()
+    }
+  })
+
+}
+util.inherits(ForeverAgent, Agent)
+
+ForeverAgent.defaultMinSockets = 5
+
+
+ForeverAgent.prototype.createConnection = net.createConnection
+ForeverAgent.prototype.addRequestNoreuse = Agent.prototype.addRequest
+ForeverAgent.prototype.addRequest = function(req, host, port) {
+  var name = getConnectionName(host, port)
+  
+  if (typeof host !== 'string') {
+    var options = host
+    port = options.port
+    host = options.host
+  }
+
+  if (this.freeSockets[name] && this.freeSockets[name].length > 0 && !req.useChunkedEncodingByDefault) {
+    var idleSocket = this.freeSockets[name].pop()
+    idleSocket.removeListener('error', idleSocket._onIdleError)
+    delete idleSocket._onIdleError
+    req._reusedSocket = true
+    req.onSocket(idleSocket)
+  } else {
+    this.addRequestNoreuse(req, host, port)
+  }
+}
+
+ForeverAgent.prototype.removeSocket = function(s, name, host, port) {
+  if (this.sockets[name]) {
+    var index = this.sockets[name].indexOf(s)
+    if (index !== -1) {
+      this.sockets[name].splice(index, 1)
+    }
+  } else if (this.sockets[name] && this.sockets[name].length === 0) {
+    // don't leak
+    delete this.sockets[name]
+    delete this.requests[name]
+  }
+  
+  if (this.freeSockets[name]) {
+    var index = this.freeSockets[name].indexOf(s)
+    if (index !== -1) {
+      this.freeSockets[name].splice(index, 1)
+      if (this.freeSockets[name].length === 0) {
+        delete this.freeSockets[name]
+      }
+    }
+  }
+
+  if (this.requests[name] && this.requests[name].length) {
+    // If we have pending requests and a socket gets closed a new one
+    // needs to be created to take over in the pool for the one that closed.
+    this.createSocket(name, host, port).emit('free')
+  }
+}
+
+function ForeverAgentSSL (options) {
+  ForeverAgent.call(this, options)
+}
+util.inherits(ForeverAgentSSL, ForeverAgent)
+
+ForeverAgentSSL.prototype.createConnection = createConnectionSSL
+ForeverAgentSSL.prototype.addRequestNoreuse = AgentSSL.prototype.addRequest
+
+function createConnectionSSL (port, host, options) {
+  if (typeof port === 'object') {
+    options = port;
+  } else if (typeof host === 'object') {
+    options = host;
+  } else if (typeof options === 'object') {
+    options = options;
+  } else {
+    options = {};
+  }
+
+  if (typeof port === 'number') {
+    options.port = port;
+  }
+
+  if (typeof host === 'string') {
+    options.host = host;
+  }
+
+  return tls.connect(options);
+}
diff --git a/node_modules/forever-agent/package.json b/node_modules/forever-agent/package.json
new file mode 100644
index 000000000..f76062980
--- /dev/null
+++ b/node_modules/forever-agent/package.json
@@ -0,0 +1,17 @@
+{
+  "author": "Mikeal Rogers <mikeal.rogers@gmail.com> (http://www.futurealoof.com)",
+  "name": "forever-agent",
+  "description": "HTTP Agent that keeps socket connections alive between keep-alive requests. Formerly part of mikeal/request, now a standalone module.",
+  "version": "0.6.1",
+  "license": "Apache-2.0",
+  "repository": {
+    "url": "https://github.com/mikeal/forever-agent"
+  },
+  "main": "index.js",
+  "dependencies": {},
+  "devDependencies": {},
+  "optionalDependencies": {},
+  "engines": {
+    "node": "*"
+  }
+}
diff --git a/node_modules/form-data/License b/node_modules/form-data/License
new file mode 100644
index 000000000..c7ff12a2f
--- /dev/null
+++ b/node_modules/form-data/License
@@ -0,0 +1,19 @@
+Copyright (c) 2012 Felix Geisendörfer (felix@debuggable.com) and contributors
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
diff --git a/node_modules/form-data/README.md b/node_modules/form-data/README.md
new file mode 100644
index 000000000..d7809364f
--- /dev/null
+++ b/node_modules/form-data/README.md
@@ -0,0 +1,234 @@
+# Form-Data [![NPM Module](https://img.shields.io/npm/v/form-data.svg)](https://www.npmjs.com/package/form-data) [![Join the chat at https://gitter.im/form-data/form-data](http://form-data.github.io/images/gitterbadge.svg)](https://gitter.im/form-data/form-data)
+
+A library to create readable ```"multipart/form-data"``` streams. Can be used to submit forms and file uploads to other web applications.
+
+The API of this library is inspired by the [XMLHttpRequest-2 FormData Interface][xhr2-fd].
+
+[xhr2-fd]: http://dev.w3.org/2006/webapi/XMLHttpRequest-2/Overview.html#the-formdata-interface
+
+[![Linux Build](https://img.shields.io/travis/form-data/form-data/v2.3.3.svg?label=linux:4.x-9.x)](https://travis-ci.org/form-data/form-data)
+[![MacOS Build](https://img.shields.io/travis/form-data/form-data/v2.3.3.svg?label=macos:4.x-9.x)](https://travis-ci.org/form-data/form-data)
+[![Windows Build](https://img.shields.io/appveyor/ci/alexindigo/form-data/v2.3.3.svg?label=windows:4.x-9.x)](https://ci.appveyor.com/project/alexindigo/form-data)
+
+[![Coverage Status](https://img.shields.io/coveralls/form-data/form-data/v2.3.3.svg?label=code+coverage)](https://coveralls.io/github/form-data/form-data?branch=master)
+[![Dependency Status](https://img.shields.io/david/form-data/form-data.svg)](https://david-dm.org/form-data/form-data)
+[![bitHound Overall Score](https://www.bithound.io/github/form-data/form-data/badges/score.svg)](https://www.bithound.io/github/form-data/form-data)
+
+## Install
+
+```
+npm install --save form-data
+```
+
+## Usage
+
+In this example we are constructing a form with 3 fields that contain a string,
+a buffer and a file stream.
+
+``` javascript
+var FormData = require('form-data');
+var fs = require('fs');
+
+var form = new FormData();
+form.append('my_field', 'my value');
+form.append('my_buffer', new Buffer(10));
+form.append('my_file', fs.createReadStream('/foo/bar.jpg'));
+```
+
+Also you can use http-response stream:
+
+``` javascript
+var FormData = require('form-data');
+var http = require('http');
+
+var form = new FormData();
+
+http.request('http://nodejs.org/images/logo.png', function(response) {
+  form.append('my_field', 'my value');
+  form.append('my_buffer', new Buffer(10));
+  form.append('my_logo', response);
+});
+```
+
+Or @mikeal's [request](https://github.com/request/request) stream:
+
+``` javascript
+var FormData = require('form-data');
+var request = require('request');
+
+var form = new FormData();
+
+form.append('my_field', 'my value');
+form.append('my_buffer', new Buffer(10));
+form.append('my_logo', request('http://nodejs.org/images/logo.png'));
+```
+
+In order to submit this form to a web application, call ```submit(url, [callback])``` method:
+
+``` javascript
+form.submit('http://example.org/', function(err, res) {
+  // res – response object (http.IncomingMessage)  //
+  res.resume();
+});
+
+```
+
+For more advanced request manipulations ```submit()``` method returns ```http.ClientRequest``` object, or you can choose from one of the alternative submission methods.
+
+### Custom options
+
+You can provide custom options, such as `maxDataSize`:
+
+``` javascript
+var FormData = require('form-data');
+
+var form = new FormData({ maxDataSize: 20971520 });
+form.append('my_field', 'my value');
+form.append('my_buffer', /* something big */);
+```
+
+List of available options could be found in [combined-stream](https://github.com/felixge/node-combined-stream/blob/master/lib/combined_stream.js#L7-L15)
+
+### Alternative submission methods
+
+You can use node's http client interface:
+
+``` javascript
+var http = require('http');
+
+var request = http.request({
+  method: 'post',
+  host: 'example.org',
+  path: '/upload',
+  headers: form.getHeaders()
+});
+
+form.pipe(request);
+
+request.on('response', function(res) {
+  console.log(res.statusCode);
+});
+```
+
+Or if you would prefer the `'Content-Length'` header to be set for you:
+
+``` javascript
+form.submit('example.org/upload', function(err, res) {
+  console.log(res.statusCode);
+});
+```
+
+To use custom headers and pre-known length in parts:
+
+``` javascript
+var CRLF = '\r\n';
+var form = new FormData();
+
+var options = {
+  header: CRLF + '--' + form.getBoundary() + CRLF + 'X-Custom-Header: 123' + CRLF + CRLF,
+  knownLength: 1
+};
+
+form.append('my_buffer', buffer, options);
+
+form.submit('http://example.com/', function(err, res) {
+  if (err) throw err;
+  console.log('Done');
+});
+```
+
+Form-Data can recognize and fetch all the required information from common types of streams (```fs.readStream```, ```http.response``` and ```mikeal's request```), for some other types of streams you'd need to provide "file"-related information manually:
+
+``` javascript
+someModule.stream(function(err, stdout, stderr) {
+  if (err) throw err;
+
+  var form = new FormData();
+
+  form.append('file', stdout, {
+    filename: 'unicycle.jpg', // ... or:
+    filepath: 'photos/toys/unicycle.jpg',
+    contentType: 'image/jpeg',
+    knownLength: 19806
+  });
+
+  form.submit('http://example.com/', function(err, res) {
+    if (err) throw err;
+    console.log('Done');
+  });
+});
+```
+
+The `filepath` property overrides `filename` and may contain a relative path. This is typically used when uploading [multiple files from a directory](https://wicg.github.io/entries-api/#dom-htmlinputelement-webkitdirectory).
+
+For edge cases, like POST request to URL with query string or to pass HTTP auth credentials, object can be passed to `form.submit()` as first parameter:
+
+``` javascript
+form.submit({
+  host: 'example.com',
+  path: '/probably.php?extra=params',
+  auth: 'username:password'
+}, function(err, res) {
+  console.log(res.statusCode);
+});
+```
+
+In case you need to also send custom HTTP headers with the POST request, you can use the `headers` key in first parameter of `form.submit()`:
+
+``` javascript
+form.submit({
+  host: 'example.com',
+  path: '/surelynot.php',
+  headers: {'x-test-header': 'test-header-value'}
+}, function(err, res) {
+  console.log(res.statusCode);
+});
+```
+
+### Integration with other libraries
+
+#### Request
+
+Form submission using  [request](https://github.com/request/request):
+
+```javascript
+var formData = {
+  my_field: 'my_value',
+  my_file: fs.createReadStream(__dirname + '/unicycle.jpg'),
+};
+
+request.post({url:'http://service.com/upload', formData: formData}, function(err, httpResponse, body) {
+  if (err) {
+    return console.error('upload failed:', err);
+  }
+  console.log('Upload successful!  Server responded with:', body);
+});
+```
+
+For more details see [request readme](https://github.com/request/request#multipartform-data-multipart-form-uploads).
+
+#### node-fetch
+
+You can also submit a form using [node-fetch](https://github.com/bitinn/node-fetch):
+
+```javascript
+var form = new FormData();
+
+form.append('a', 1);
+
+fetch('http://example.com', { method: 'POST', body: form })
+    .then(function(res) {
+        return res.json();
+    }).then(function(json) {
+        console.log(json);
+    });
+```
+
+## Notes
+
+- ```getLengthSync()``` method DOESN'T calculate length for streams, use ```knownLength``` options as workaround.
+- Starting version `2.x` FormData has dropped support for `node@0.10.x`.
+
+## License
+
+Form-Data is released under the [MIT](License) license.
diff --git a/node_modules/form-data/README.md.bak b/node_modules/form-data/README.md.bak
new file mode 100644
index 000000000..0524d6028
--- /dev/null
+++ b/node_modules/form-data/README.md.bak
@@ -0,0 +1,234 @@
+# Form-Data [![NPM Module](https://img.shields.io/npm/v/form-data.svg)](https://www.npmjs.com/package/form-data) [![Join the chat at https://gitter.im/form-data/form-data](http://form-data.github.io/images/gitterbadge.svg)](https://gitter.im/form-data/form-data)
+
+A library to create readable ```"multipart/form-data"``` streams. Can be used to submit forms and file uploads to other web applications.
+
+The API of this library is inspired by the [XMLHttpRequest-2 FormData Interface][xhr2-fd].
+
+[xhr2-fd]: http://dev.w3.org/2006/webapi/XMLHttpRequest-2/Overview.html#the-formdata-interface
+
+[![Linux Build](https://img.shields.io/travis/form-data/form-data/master.svg?label=linux:4.x-9.x)](https://travis-ci.org/form-data/form-data)
+[![MacOS Build](https://img.shields.io/travis/form-data/form-data/master.svg?label=macos:4.x-9.x)](https://travis-ci.org/form-data/form-data)
+[![Windows Build](https://img.shields.io/appveyor/ci/alexindigo/form-data/master.svg?label=windows:4.x-9.x)](https://ci.appveyor.com/project/alexindigo/form-data)
+
+[![Coverage Status](https://img.shields.io/coveralls/form-data/form-data/master.svg?label=code+coverage)](https://coveralls.io/github/form-data/form-data?branch=master)
+[![Dependency Status](https://img.shields.io/david/form-data/form-data.svg)](https://david-dm.org/form-data/form-data)
+[![bitHound Overall Score](https://www.bithound.io/github/form-data/form-data/badges/score.svg)](https://www.bithound.io/github/form-data/form-data)
+
+## Install
+
+```
+npm install --save form-data
+```
+
+## Usage
+
+In this example we are constructing a form with 3 fields that contain a string,
+a buffer and a file stream.
+
+``` javascript
+var FormData = require('form-data');
+var fs = require('fs');
+
+var form = new FormData();
+form.append('my_field', 'my value');
+form.append('my_buffer', new Buffer(10));
+form.append('my_file', fs.createReadStream('/foo/bar.jpg'));
+```
+
+Also you can use http-response stream:
+
+``` javascript
+var FormData = require('form-data');
+var http = require('http');
+
+var form = new FormData();
+
+http.request('http://nodejs.org/images/logo.png', function(response) {
+  form.append('my_field', 'my value');
+  form.append('my_buffer', new Buffer(10));
+  form.append('my_logo', response);
+});
+```
+
+Or @mikeal's [request](https://github.com/request/request) stream:
+
+``` javascript
+var FormData = require('form-data');
+var request = require('request');
+
+var form = new FormData();
+
+form.append('my_field', 'my value');
+form.append('my_buffer', new Buffer(10));
+form.append('my_logo', request('http://nodejs.org/images/logo.png'));
+```
+
+In order to submit this form to a web application, call ```submit(url, [callback])``` method:
+
+``` javascript
+form.submit('http://example.org/', function(err, res) {
+  // res – response object (http.IncomingMessage)  //
+  res.resume();
+});
+
+```
+
+For more advanced request manipulations ```submit()``` method returns ```http.ClientRequest``` object, or you can choose from one of the alternative submission methods.
+
+### Custom options
+
+You can provide custom options, such as `maxDataSize`:
+
+``` javascript
+var FormData = require('form-data');
+
+var form = new FormData({ maxDataSize: 20971520 });
+form.append('my_field', 'my value');
+form.append('my_buffer', /* something big */);
+```
+
+List of available options could be found in [combined-stream](https://github.com/felixge/node-combined-stream/blob/master/lib/combined_stream.js#L7-L15)
+
+### Alternative submission methods
+
+You can use node's http client interface:
+
+``` javascript
+var http = require('http');
+
+var request = http.request({
+  method: 'post',
+  host: 'example.org',
+  path: '/upload',
+  headers: form.getHeaders()
+});
+
+form.pipe(request);
+
+request.on('response', function(res) {
+  console.log(res.statusCode);
+});
+```
+
+Or if you would prefer the `'Content-Length'` header to be set for you:
+
+``` javascript
+form.submit('example.org/upload', function(err, res) {
+  console.log(res.statusCode);
+});
+```
+
+To use custom headers and pre-known length in parts:
+
+``` javascript
+var CRLF = '\r\n';
+var form = new FormData();
+
+var options = {
+  header: CRLF + '--' + form.getBoundary() + CRLF + 'X-Custom-Header: 123' + CRLF + CRLF,
+  knownLength: 1
+};
+
+form.append('my_buffer', buffer, options);
+
+form.submit('http://example.com/', function(err, res) {
+  if (err) throw err;
+  console.log('Done');
+});
+```
+
+Form-Data can recognize and fetch all the required information from common types of streams (```fs.readStream```, ```http.response``` and ```mikeal's request```), for some other types of streams you'd need to provide "file"-related information manually:
+
+``` javascript
+someModule.stream(function(err, stdout, stderr) {
+  if (err) throw err;
+
+  var form = new FormData();
+
+  form.append('file', stdout, {
+    filename: 'unicycle.jpg', // ... or:
+    filepath: 'photos/toys/unicycle.jpg',
+    contentType: 'image/jpeg',
+    knownLength: 19806
+  });
+
+  form.submit('http://example.com/', function(err, res) {
+    if (err) throw err;
+    console.log('Done');
+  });
+});
+```
+
+The `filepath` property overrides `filename` and may contain a relative path. This is typically used when uploading [multiple files from a directory](https://wicg.github.io/entries-api/#dom-htmlinputelement-webkitdirectory).
+
+For edge cases, like POST request to URL with query string or to pass HTTP auth credentials, object can be passed to `form.submit()` as first parameter:
+
+``` javascript
+form.submit({
+  host: 'example.com',
+  path: '/probably.php?extra=params',
+  auth: 'username:password'
+}, function(err, res) {
+  console.log(res.statusCode);
+});
+```
+
+In case you need to also send custom HTTP headers with the POST request, you can use the `headers` key in first parameter of `form.submit()`:
+
+``` javascript
+form.submit({
+  host: 'example.com',
+  path: '/surelynot.php',
+  headers: {'x-test-header': 'test-header-value'}
+}, function(err, res) {
+  console.log(res.statusCode);
+});
+```
+
+### Integration with other libraries
+
+#### Request
+
+Form submission using  [request](https://github.com/request/request):
+
+```javascript
+var formData = {
+  my_field: 'my_value',
+  my_file: fs.createReadStream(__dirname + '/unicycle.jpg'),
+};
+
+request.post({url:'http://service.com/upload', formData: formData}, function(err, httpResponse, body) {
+  if (err) {
+    return console.error('upload failed:', err);
+  }
+  console.log('Upload successful!  Server responded with:', body);
+});
+```
+
+For more details see [request readme](https://github.com/request/request#multipartform-data-multipart-form-uploads).
+
+#### node-fetch
+
+You can also submit a form using [node-fetch](https://github.com/bitinn/node-fetch):
+
+```javascript
+var form = new FormData();
+
+form.append('a', 1);
+
+fetch('http://example.com', { method: 'POST', body: form })
+    .then(function(res) {
+        return res.json();
+    }).then(function(json) {
+        console.log(json);
+    });
+```
+
+## Notes
+
+- ```getLengthSync()``` method DOESN'T calculate length for streams, use ```knownLength``` options as workaround.
+- Starting version `2.x` FormData has dropped support for `node@0.10.x`.
+
+## License
+
+Form-Data is released under the [MIT](License) license.
diff --git a/node_modules/form-data/lib/browser.js b/node_modules/form-data/lib/browser.js
new file mode 100644
index 000000000..09e7c70e6
--- /dev/null
+++ b/node_modules/form-data/lib/browser.js
@@ -0,0 +1,2 @@
+/* eslint-env browser */
+module.exports = typeof self == 'object' ? self.FormData : window.FormData;
diff --git a/node_modules/form-data/lib/form_data.js b/node_modules/form-data/lib/form_data.js
new file mode 100644
index 000000000..3a1bb82b1
--- /dev/null
+++ b/node_modules/form-data/lib/form_data.js
@@ -0,0 +1,457 @@
+var CombinedStream = require('combined-stream');
+var util = require('util');
+var path = require('path');
+var http = require('http');
+var https = require('https');
+var parseUrl = require('url').parse;
+var fs = require('fs');
+var mime = require('mime-types');
+var asynckit = require('asynckit');
+var populate = require('./populate.js');
+
+// Public API
+module.exports = FormData;
+
+// make it a Stream
+util.inherits(FormData, CombinedStream);
+
+/**
+ * Create readable "multipart/form-data" streams.
+ * Can be used to submit forms
+ * and file uploads to other web applications.
+ *
+ * @constructor
+ * @param {Object} options - Properties to be added/overriden for FormData and CombinedStream
+ */
+function FormData(options) {
+  if (!(this instanceof FormData)) {
+    return new FormData();
+  }
+
+  this._overheadLength = 0;
+  this._valueLength = 0;
+  this._valuesToMeasure = [];
+
+  CombinedStream.call(this);
+
+  options = options || {};
+  for (var option in options) {
+    this[option] = options[option];
+  }
+}
+
+FormData.LINE_BREAK = '\r\n';
+FormData.DEFAULT_CONTENT_TYPE = 'application/octet-stream';
+
+FormData.prototype.append = function(field, value, options) {
+
+  options = options || {};
+
+  // allow filename as single option
+  if (typeof options == 'string') {
+    options = {filename: options};
+  }
+
+  var append = CombinedStream.prototype.append.bind(this);
+
+  // all that streamy business can't handle numbers
+  if (typeof value == 'number') {
+    value = '' + value;
+  }
+
+  // https://github.com/felixge/node-form-data/issues/38
+  if (util.isArray(value)) {
+    // Please convert your array into string
+    // the way web server expects it
+    this._error(new Error('Arrays are not supported.'));
+    return;
+  }
+
+  var header = this._multiPartHeader(field, value, options);
+  var footer = this._multiPartFooter();
+
+  append(header);
+  append(value);
+  append(footer);
+
+  // pass along options.knownLength
+  this._trackLength(header, value, options);
+};
+
+FormData.prototype._trackLength = function(header, value, options) {
+  var valueLength = 0;
+
+  // used w/ getLengthSync(), when length is known.
+  // e.g. for streaming directly from a remote server,
+  // w/ a known file a size, and not wanting to wait for
+  // incoming file to finish to get its size.
+  if (options.knownLength != null) {
+    valueLength += +options.knownLength;
+  } else if (Buffer.isBuffer(value)) {
+    valueLength = value.length;
+  } else if (typeof value === 'string') {
+    valueLength = Buffer.byteLength(value);
+  }
+
+  this._valueLength += valueLength;
+
+  // @check why add CRLF? does this account for custom/multiple CRLFs?
+  this._overheadLength +=
+    Buffer.byteLength(header) +
+    FormData.LINE_BREAK.length;
+
+  // empty or either doesn't have path or not an http response
+  if (!value || ( !value.path && !(value.readable && value.hasOwnProperty('httpVersion')) )) {
+    return;
+  }
+
+  // no need to bother with the length
+  if (!options.knownLength) {
+    this._valuesToMeasure.push(value);
+  }
+};
+
+FormData.prototype._lengthRetriever = function(value, callback) {
+
+  if (value.hasOwnProperty('fd')) {
+
+    // take read range into a account
+    // `end` = Infinity –> read file till the end
+    //
+    // TODO: Looks like there is bug in Node fs.createReadStream
+    // it doesn't respect `end` options without `start` options
+    // Fix it when node fixes it.
+    // https://github.com/joyent/node/issues/7819
+    if (value.end != undefined && value.end != Infinity && value.start != undefined) {
+
+      // when end specified
+      // no need to calculate range
+      // inclusive, starts with 0
+      callback(null, value.end + 1 - (value.start ? value.start : 0));
+
+    // not that fast snoopy
+    } else {
+      // still need to fetch file size from fs
+      fs.stat(value.path, function(err, stat) {
+
+        var fileSize;
+
+        if (err) {
+          callback(err);
+          return;
+        }
+
+        // update final size based on the range options
+        fileSize = stat.size - (value.start ? value.start : 0);
+        callback(null, fileSize);
+      });
+    }
+
+  // or http response
+  } else if (value.hasOwnProperty('httpVersion')) {
+    callback(null, +value.headers['content-length']);
+
+  // or request stream http://github.com/mikeal/request
+  } else if (value.hasOwnProperty('httpModule')) {
+    // wait till response come back
+    value.on('response', function(response) {
+      value.pause();
+      callback(null, +response.headers['content-length']);
+    });
+    value.resume();
+
+  // something else
+  } else {
+    callback('Unknown stream');
+  }
+};
+
+FormData.prototype._multiPartHeader = function(field, value, options) {
+  // custom header specified (as string)?
+  // it becomes responsible for boundary
+  // (e.g. to handle extra CRLFs on .NET servers)
+  if (typeof options.header == 'string') {
+    return options.header;
+  }
+
+  var contentDisposition = this._getContentDisposition(value, options);
+  var contentType = this._getContentType(value, options);
+
+  var contents = '';
+  var headers  = {
+    // add custom disposition as third element or keep it two elements if not
+    'Content-Disposition': ['form-data', 'name="' + field + '"'].concat(contentDisposition || []),
+    // if no content type. allow it to be empty array
+    'Content-Type': [].concat(contentType || [])
+  };
+
+  // allow custom headers.
+  if (typeof options.header == 'object') {
+    populate(headers, options.header);
+  }
+
+  var header;
+  for (var prop in headers) {
+    if (!headers.hasOwnProperty(prop)) continue;
+    header = headers[prop];
+
+    // skip nullish headers.
+    if (header == null) {
+      continue;
+    }
+
+    // convert all headers to arrays.
+    if (!Array.isArray(header)) {
+      header = [header];
+    }
+
+    // add non-empty headers.
+    if (header.length) {
+      contents += prop + ': ' + header.join('; ') + FormData.LINE_BREAK;
+    }
+  }
+
+  return '--' + this.getBoundary() + FormData.LINE_BREAK + contents + FormData.LINE_BREAK;
+};
+
+FormData.prototype._getContentDisposition = function(value, options) {
+
+  var filename
+    , contentDisposition
+    ;
+
+  if (typeof options.filepath === 'string') {
+    // custom filepath for relative paths
+    filename = path.normalize(options.filepath).replace(/\\/g, '/');
+  } else if (options.filename || value.name || value.path) {
+    // custom filename take precedence
+    // formidable and the browser add a name property
+    // fs- and request- streams have path property
+    filename = path.basename(options.filename || value.name || value.path);
+  } else if (value.readable && value.hasOwnProperty('httpVersion')) {
+    // or try http response
+    filename = path.basename(value.client._httpMessage.path);
+  }
+
+  if (filename) {
+    contentDisposition = 'filename="' + filename + '"';
+  }
+
+  return contentDisposition;
+};
+
+FormData.prototype._getContentType = function(value, options) {
+
+  // use custom content-type above all
+  var contentType = options.contentType;
+
+  // or try `name` from formidable, browser
+  if (!contentType && value.name) {
+    contentType = mime.lookup(value.name);
+  }
+
+  // or try `path` from fs-, request- streams
+  if (!contentType && value.path) {
+    contentType = mime.lookup(value.path);
+  }
+
+  // or if it's http-reponse
+  if (!contentType && value.readable && value.hasOwnProperty('httpVersion')) {
+    contentType = value.headers['content-type'];
+  }
+
+  // or guess it from the filepath or filename
+  if (!contentType && (options.filepath || options.filename)) {
+    contentType = mime.lookup(options.filepath || options.filename);
+  }
+
+  // fallback to the default content type if `value` is not simple value
+  if (!contentType && typeof value == 'object') {
+    contentType = FormData.DEFAULT_CONTENT_TYPE;
+  }
+
+  return contentType;
+};
+
+FormData.prototype._multiPartFooter = function() {
+  return function(next) {
+    var footer = FormData.LINE_BREAK;
+
+    var lastPart = (this._streams.length === 0);
+    if (lastPart) {
+      footer += this._lastBoundary();
+    }
+
+    next(footer);
+  }.bind(this);
+};
+
+FormData.prototype._lastBoundary = function() {
+  return '--' + this.getBoundary() + '--' + FormData.LINE_BREAK;
+};
+
+FormData.prototype.getHeaders = function(userHeaders) {
+  var header;
+  var formHeaders = {
+    'content-type': 'multipart/form-data; boundary=' + this.getBoundary()
+  };
+
+  for (header in userHeaders) {
+    if (userHeaders.hasOwnProperty(header)) {
+      formHeaders[header.toLowerCase()] = userHeaders[header];
+    }
+  }
+
+  return formHeaders;
+};
+
+FormData.prototype.getBoundary = function() {
+  if (!this._boundary) {
+    this._generateBoundary();
+  }
+
+  return this._boundary;
+};
+
+FormData.prototype._generateBoundary = function() {
+  // This generates a 50 character boundary similar to those used by Firefox.
+  // They are optimized for boyer-moore parsing.
+  var boundary = '--------------------------';
+  for (var i = 0; i < 24; i++) {
+    boundary += Math.floor(Math.random() * 10).toString(16);
+  }
+
+  this._boundary = boundary;
+};
+
+// Note: getLengthSync DOESN'T calculate streams length
+// As workaround one can calculate file size manually
+// and add it as knownLength option
+FormData.prototype.getLengthSync = function() {
+  var knownLength = this._overheadLength + this._valueLength;
+
+  // Don't get confused, there are 3 "internal" streams for each keyval pair
+  // so it basically checks if there is any value added to the form
+  if (this._streams.length) {
+    knownLength += this._lastBoundary().length;
+  }
+
+  // https://github.com/form-data/form-data/issues/40
+  if (!this.hasKnownLength()) {
+    // Some async length retrievers are present
+    // therefore synchronous length calculation is false.
+    // Please use getLength(callback) to get proper length
+    this._error(new Error('Cannot calculate proper length in synchronous way.'));
+  }
+
+  return knownLength;
+};
+
+// Public API to check if length of added values is known
+// https://github.com/form-data/form-data/issues/196
+// https://github.com/form-data/form-data/issues/262
+FormData.prototype.hasKnownLength = function() {
+  var hasKnownLength = true;
+
+  if (this._valuesToMeasure.length) {
+    hasKnownLength = false;
+  }
+
+  return hasKnownLength;
+};
+
+FormData.prototype.getLength = function(cb) {
+  var knownLength = this._overheadLength + this._valueLength;
+
+  if (this._streams.length) {
+    knownLength += this._lastBoundary().length;
+  }
+
+  if (!this._valuesToMeasure.length) {
+    process.nextTick(cb.bind(this, null, knownLength));
+    return;
+  }
+
+  asynckit.parallel(this._valuesToMeasure, this._lengthRetriever, function(err, values) {
+    if (err) {
+      cb(err);
+      return;
+    }
+
+    values.forEach(function(length) {
+      knownLength += length;
+    });
+
+    cb(null, knownLength);
+  });
+};
+
+FormData.prototype.submit = function(params, cb) {
+  var request
+    , options
+    , defaults = {method: 'post'}
+    ;
+
+  // parse provided url if it's string
+  // or treat it as options object
+  if (typeof params == 'string') {
+
+    params = parseUrl(params);
+    options = populate({
+      port: params.port,
+      path: params.pathname,
+      host: params.hostname,
+      protocol: params.protocol
+    }, defaults);
+
+  // use custom params
+  } else {
+
+    options = populate(params, defaults);
+    // if no port provided use default one
+    if (!options.port) {
+      options.port = options.protocol == 'https:' ? 443 : 80;
+    }
+  }
+
+  // put that good code in getHeaders to some use
+  options.headers = this.getHeaders(params.headers);
+
+  // https if specified, fallback to http in any other case
+  if (options.protocol == 'https:') {
+    request = https.request(options);
+  } else {
+    request = http.request(options);
+  }
+
+  // get content length and fire away
+  this.getLength(function(err, length) {
+    if (err) {
+      this._error(err);
+      return;
+    }
+
+    // add content length
+    request.setHeader('Content-Length', length);
+
+    this.pipe(request);
+    if (cb) {
+      request.on('error', cb);
+      request.on('response', cb.bind(this, null));
+    }
+  }.bind(this));
+
+  return request;
+};
+
+FormData.prototype._error = function(err) {
+  if (!this.error) {
+    this.error = err;
+    this.pause();
+    this.emit('error', err);
+  }
+};
+
+FormData.prototype.toString = function () {
+  return '[object FormData]';
+};
diff --git a/node_modules/form-data/lib/populate.js b/node_modules/form-data/lib/populate.js
new file mode 100644
index 000000000..4d35738dd
--- /dev/null
+++ b/node_modules/form-data/lib/populate.js
@@ -0,0 +1,10 @@
+// populates missing values
+module.exports = function(dst, src) {
+
+  Object.keys(src).forEach(function(prop)
+  {
+    dst[prop] = dst[prop] || src[prop];
+  });
+
+  return dst;
+};
diff --git a/node_modules/form-data/package.json b/node_modules/form-data/package.json
new file mode 100644
index 000000000..adacbae78
--- /dev/null
+++ b/node_modules/form-data/package.json
@@ -0,0 +1,65 @@
+{
+  "author": "Felix Geisendörfer <felix@debuggable.com> (http://debuggable.com/)",
+  "name": "form-data",
+  "description": "A library to create readable \"multipart/form-data\" streams. Can be used to submit forms and file uploads to other web applications.",
+  "version": "2.3.3",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/form-data/form-data.git"
+  },
+  "main": "./lib/form_data",
+  "browser": "./lib/browser",
+  "scripts": {
+    "pretest": "rimraf coverage test/tmp",
+    "test": "istanbul cover test/run.js",
+    "posttest": "istanbul report lcov text",
+    "lint": "eslint lib/*.js test/*.js test/integration/*.js",
+    "report": "istanbul report lcov text",
+    "ci-lint": "is-node-modern 6 && npm run lint || is-node-not-modern 6",
+    "ci-test": "npm run test && npm run browser && npm run report",
+    "predebug": "rimraf coverage test/tmp",
+    "debug": "verbose=1 ./test/run.js",
+    "browser": "browserify -t browserify-istanbul test/run-browser.js | obake --coverage",
+    "check": "istanbul check-coverage coverage/coverage*.json",
+    "files": "pkgfiles --sort=name",
+    "get-version": "node -e \"console.log(require('./package.json').version)\"",
+    "update-readme": "sed -i.bak 's/\\/master\\.svg/\\/v'$(npm --silent run get-version)'.svg/g' README.md",
+    "restore-readme": "mv README.md.bak README.md",
+    "prepublish": "in-publish && npm run update-readme || not-in-publish",
+    "postpublish": "npm run restore-readme"
+  },
+  "pre-commit": [
+    "lint",
+    "ci-test",
+    "check"
+  ],
+  "engines": {
+    "node": ">= 0.12"
+  },
+  "dependencies": {
+    "asynckit": "^0.4.0",
+    "combined-stream": "^1.0.6",
+    "mime-types": "^2.1.12"
+  },
+  "devDependencies": {
+    "browserify": "^13.1.1",
+    "browserify-istanbul": "^2.0.0",
+    "coveralls": "^2.11.14",
+    "cross-spawn": "^4.0.2",
+    "eslint": "^3.9.1",
+    "fake": "^0.2.2",
+    "far": "^0.0.7",
+    "formidable": "^1.0.17",
+    "in-publish": "^2.0.0",
+    "is-node-modern": "^1.0.0",
+    "istanbul": "^0.4.5",
+    "obake": "^0.1.2",
+    "phantomjs-prebuilt": "^2.1.13",
+    "pkgfiles": "^2.3.0",
+    "pre-commit": "^1.1.3",
+    "request": "2.76.0",
+    "rimraf": "^2.5.4",
+    "tape": "^4.6.2"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/form-data/yarn.lock b/node_modules/form-data/yarn.lock
new file mode 100644
index 000000000..ab55059c1
--- /dev/null
+++ b/node_modules/form-data/yarn.lock
@@ -0,0 +1,2662 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+JSONStream@^1.0.3:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.2.tgz#c102371b6ec3a7cf3b847ca00c20bb0fce4c6dea"
+  dependencies:
+    jsonparse "^1.2.0"
+    through ">=2.2.7 <3"
+
+abbrev@1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
+
+abbrev@1.0.x:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.0.9.tgz#91b4792588a7738c25f35dd6f63752a2f8776135"
+
+acorn-jsx@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-3.0.1.tgz#afdf9488fb1ecefc8348f6fb22f464e32a58b36b"
+  dependencies:
+    acorn "^3.0.4"
+
+acorn-node@^1.2.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/acorn-node/-/acorn-node-1.3.0.tgz#5f86d73346743810ef1269b901dbcbded020861b"
+  dependencies:
+    acorn "^5.4.1"
+    xtend "^4.0.1"
+
+acorn@^3.0.4:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
+
+acorn@^4.0.3:
+  version "4.0.13"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
+
+acorn@^5.2.1, acorn@^5.4.0, acorn@^5.4.1:
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.4.1.tgz#fdc58d9d17f4a4e98d102ded826a9b9759125102"
+
+ajv-keywords@^1.0.0:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-1.5.1.tgz#314dd0a4b3368fad3dfcdc54ede6171b886daf3c"
+
+ajv@^4.7.0:
+  version "4.11.8"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
+  dependencies:
+    co "^4.6.0"
+    json-stable-stringify "^1.0.1"
+
+ajv@^5.1.0:
+  version "5.5.2"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.5.2.tgz#73b5eeca3fab653e3d3f9422b341ad42205dc965"
+  dependencies:
+    co "^4.6.0"
+    fast-deep-equal "^1.0.0"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.3.0"
+
+align-text@^0.1.1, align-text@^0.1.3:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
+  dependencies:
+    kind-of "^3.0.2"
+    longest "^1.0.1"
+    repeat-string "^1.5.2"
+
+amdefine@>=0.0.4:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
+
+ansi-escapes@^1.1.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-1.4.0.tgz#d3a8a83b319aa67793662b13e761c7911422306e"
+
+ansi-regex@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
+
+ansi-regex@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.0.tgz#ed0317c322064f79466c02966bddb605ab37d998"
+
+ansi-styles@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
+
+argparse@^1.0.7:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.9.tgz#73d83bc263f86e97f8cc4f6bae1b0e90a7d22c86"
+  dependencies:
+    sprintf-js "~1.0.2"
+
+array-filter@~0.0.0:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/array-filter/-/array-filter-0.0.1.tgz#7da8cf2e26628ed732803581fd21f67cacd2eeec"
+
+array-map@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/array-map/-/array-map-0.0.0.tgz#88a2bab73d1cf7bcd5c1b118a003f66f665fa662"
+
+array-reduce@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/array-reduce/-/array-reduce-0.0.0.tgz#173899d3ffd1c7d9383e4479525dbe278cab5f2b"
+
+array-union@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/array-union/-/array-union-1.0.2.tgz#9a34410e4f4e3da23dea375be5be70f24778ec39"
+  dependencies:
+    array-uniq "^1.0.1"
+
+array-uniq@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
+
+arrify@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
+
+asn1.js@^4.0.0:
+  version "4.9.2"
+  resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.9.2.tgz#8117ef4f7ed87cd8f89044b5bff97ac243a16c9a"
+  dependencies:
+    bn.js "^4.0.0"
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+
+asn1@~0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/asn1/-/asn1-0.2.3.tgz#dac8787713c9966849fc8180777ebe9c1ddf3b86"
+
+assert-plus@1.0.0, assert-plus@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-1.0.0.tgz#f12e0f3c5d77b0b1cdd9146942e4e96c1e4dd525"
+
+assert-plus@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-0.2.0.tgz#d74e1b87e7affc0db8aadb7021f3fe48101ab234"
+
+assert@^1.4.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/assert/-/assert-1.4.1.tgz#99912d591836b5a6f5b345c0f07eefc08fc65d91"
+  dependencies:
+    util "0.10.3"
+
+astw@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/astw/-/astw-2.2.0.tgz#7bd41784d32493987aeb239b6b4e1c57a873b917"
+  dependencies:
+    acorn "^4.0.3"
+
+async@1.x, async@^1.4.0:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
+
+async@~0.1.22:
+  version "0.1.22"
+  resolved "https://registry.yarnpkg.com/async/-/async-0.1.22.tgz#0fc1aaa088a0e3ef0ebe2d8831bab0dcf8845061"
+
+asynckit@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
+
+aws-sign2@~0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.6.0.tgz#14342dd38dbcc94d0e5b87d763cd63612c0e794f"
+
+aws-sign2@~0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.7.0.tgz#b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8"
+
+aws4@^1.2.1, aws4@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.6.0.tgz#83ef5ca860b2b32e4a0deedee8c771b9db57471e"
+
+babel-code-frame@^6.16.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
+  dependencies:
+    chalk "^1.1.3"
+    esutils "^2.0.2"
+    js-tokens "^3.0.2"
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+
+base64-js@^1.0.2:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.2.1.tgz#a91947da1f4a516ea38e5b4ec0ec3773675e0886"
+
+bcrypt-pbkdf@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz#63bc5dcb61331b92bc05fd528953c33462a06f8d"
+  dependencies:
+    tweetnacl "^0.14.3"
+
+bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
+  version "4.11.8"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
+
+boom@2.x.x:
+  version "2.10.1"
+  resolved "https://registry.yarnpkg.com/boom/-/boom-2.10.1.tgz#39c8918ceff5799f83f9492a848f625add0c766f"
+  dependencies:
+    hoek "2.x.x"
+
+boom@4.x.x:
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/boom/-/boom-4.3.1.tgz#4f8a3005cb4a7e3889f749030fd25b96e01d2e31"
+  dependencies:
+    hoek "4.x.x"
+
+boom@5.x.x:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/boom/-/boom-5.2.0.tgz#5dd9da6ee3a5f302077436290cb717d3f4a54e02"
+  dependencies:
+    hoek "4.x.x"
+
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+brorand@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
+
+browser-pack@^6.0.1:
+  version "6.0.4"
+  resolved "https://registry.yarnpkg.com/browser-pack/-/browser-pack-6.0.4.tgz#9a73beb3b48f9e36868be007b64400102c04a99f"
+  dependencies:
+    JSONStream "^1.0.3"
+    combine-source-map "~0.8.0"
+    defined "^1.0.0"
+    safe-buffer "^5.1.1"
+    through2 "^2.0.0"
+    umd "^3.0.0"
+
+browser-resolve@^1.11.0, browser-resolve@^1.7.0:
+  version "1.11.2"
+  resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-1.11.2.tgz#8ff09b0a2c421718a1051c260b32e48f442938ce"
+  dependencies:
+    resolve "1.1.7"
+
+browserify-aes@^1.0.0, browserify-aes@^1.0.4:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.1.1.tgz#38b7ab55edb806ff2dcda1a7f1620773a477c49f"
+  dependencies:
+    buffer-xor "^1.0.3"
+    cipher-base "^1.0.0"
+    create-hash "^1.1.0"
+    evp_bytestokey "^1.0.3"
+    inherits "^2.0.1"
+    safe-buffer "^5.0.1"
+
+browserify-cipher@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/browserify-cipher/-/browserify-cipher-1.0.0.tgz#9988244874bf5ed4e28da95666dcd66ac8fc363a"
+  dependencies:
+    browserify-aes "^1.0.4"
+    browserify-des "^1.0.0"
+    evp_bytestokey "^1.0.0"
+
+browserify-des@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/browserify-des/-/browserify-des-1.0.0.tgz#daa277717470922ed2fe18594118a175439721dd"
+  dependencies:
+    cipher-base "^1.0.1"
+    des.js "^1.0.0"
+    inherits "^2.0.1"
+
+browserify-istanbul@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/browserify-istanbul/-/browserify-istanbul-2.0.0.tgz#85a4b425da1f7c09e02ba32a3b44f6535d38c257"
+  dependencies:
+    minimatch "^3.0.0"
+    through "^2.3.8"
+
+browserify-rsa@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
+  dependencies:
+    bn.js "^4.1.0"
+    randombytes "^2.0.1"
+
+browserify-sign@^4.0.0:
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/browserify-sign/-/browserify-sign-4.0.4.tgz#aa4eb68e5d7b658baa6bf6a57e630cbd7a93d298"
+  dependencies:
+    bn.js "^4.1.1"
+    browserify-rsa "^4.0.0"
+    create-hash "^1.1.0"
+    create-hmac "^1.1.2"
+    elliptic "^6.0.0"
+    inherits "^2.0.1"
+    parse-asn1 "^5.0.0"
+
+browserify-zlib@~0.1.2:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/browserify-zlib/-/browserify-zlib-0.1.4.tgz#bb35f8a519f600e0fa6b8485241c979d0141fb2d"
+  dependencies:
+    pako "~0.2.0"
+
+browserify@^13.1.1:
+  version "13.3.0"
+  resolved "https://registry.yarnpkg.com/browserify/-/browserify-13.3.0.tgz#b5a9c9020243f0c70e4675bec8223bc627e415ce"
+  dependencies:
+    JSONStream "^1.0.3"
+    assert "^1.4.0"
+    browser-pack "^6.0.1"
+    browser-resolve "^1.11.0"
+    browserify-zlib "~0.1.2"
+    buffer "^4.1.0"
+    cached-path-relative "^1.0.0"
+    concat-stream "~1.5.1"
+    console-browserify "^1.1.0"
+    constants-browserify "~1.0.0"
+    crypto-browserify "^3.0.0"
+    defined "^1.0.0"
+    deps-sort "^2.0.0"
+    domain-browser "~1.1.0"
+    duplexer2 "~0.1.2"
+    events "~1.1.0"
+    glob "^7.1.0"
+    has "^1.0.0"
+    htmlescape "^1.1.0"
+    https-browserify "~0.0.0"
+    inherits "~2.0.1"
+    insert-module-globals "^7.0.0"
+    labeled-stream-splicer "^2.0.0"
+    module-deps "^4.0.8"
+    os-browserify "~0.1.1"
+    parents "^1.0.1"
+    path-browserify "~0.0.0"
+    process "~0.11.0"
+    punycode "^1.3.2"
+    querystring-es3 "~0.2.0"
+    read-only-stream "^2.0.0"
+    readable-stream "^2.0.2"
+    resolve "^1.1.4"
+    shasum "^1.0.0"
+    shell-quote "^1.6.1"
+    stream-browserify "^2.0.0"
+    stream-http "^2.0.0"
+    string_decoder "~0.10.0"
+    subarg "^1.0.0"
+    syntax-error "^1.1.1"
+    through2 "^2.0.0"
+    timers-browserify "^1.0.1"
+    tty-browserify "~0.0.0"
+    url "~0.11.0"
+    util "~0.10.1"
+    vm-browserify "~0.0.1"
+    xtend "^4.0.0"
+
+buffer-xor@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
+
+buffer@^4.1.0:
+  version "4.9.1"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
+  dependencies:
+    base64-js "^1.0.2"
+    ieee754 "^1.1.4"
+    isarray "^1.0.0"
+
+builtin-status-codes@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8"
+
+cached-path-relative@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/cached-path-relative/-/cached-path-relative-1.0.1.tgz#d09c4b52800aa4c078e2dd81a869aac90d2e54e7"
+
+caller-path@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
+  dependencies:
+    callsites "^0.2.0"
+
+callsites@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/callsites/-/callsites-0.2.0.tgz#afab96262910a7f33c19a5775825c69f34e350ca"
+
+camelcase@^1.0.2:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
+
+caseless@~0.11.0:
+  version "0.11.0"
+  resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.11.0.tgz#715b96ea9841593cc33067923f5ec60ebda4f7d7"
+
+caseless@~0.12.0:
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
+
+center-align@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/center-align/-/center-align-0.1.3.tgz#aa0d32629b6ee972200411cbd4461c907bc2b7ad"
+  dependencies:
+    align-text "^0.1.3"
+    lazy-cache "^1.0.3"
+
+chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  dependencies:
+    ansi-styles "^2.2.1"
+    escape-string-regexp "^1.0.2"
+    has-ansi "^2.0.0"
+    strip-ansi "^3.0.0"
+    supports-color "^2.0.0"
+
+cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.4.tgz#8760e4ecc272f4c363532f926d874aae2c1397de"
+  dependencies:
+    inherits "^2.0.1"
+    safe-buffer "^5.0.1"
+
+circular-json@^0.3.1:
+  version "0.3.3"
+  resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.3.tgz#815c99ea84f6809529d2f45791bdf82711352d66"
+
+cli-cursor@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-1.0.2.tgz#64da3f7d56a54412e59794bd62dc35295e8f2987"
+  dependencies:
+    restore-cursor "^1.0.1"
+
+cli-width@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.2.0.tgz#ff19ede8a9a5e579324147b0c11f0fbcbabed639"
+
+cliui@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
+  dependencies:
+    center-align "^0.1.1"
+    right-align "^0.1.1"
+    wordwrap "0.0.2"
+
+clone@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/clone/-/clone-1.0.3.tgz#298d7e2231660f40c003c2ed3140decf3f53085f"
+
+co@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
+
+code-point-at@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
+
+columnify@^1.5.4:
+  version "1.5.4"
+  resolved "https://registry.yarnpkg.com/columnify/-/columnify-1.5.4.tgz#4737ddf1c7b69a8a7c340570782e947eec8e78bb"
+  dependencies:
+    strip-ansi "^3.0.0"
+    wcwidth "^1.0.0"
+
+combine-source-map@~0.7.1:
+  version "0.7.2"
+  resolved "https://registry.yarnpkg.com/combine-source-map/-/combine-source-map-0.7.2.tgz#0870312856b307a87cc4ac486f3a9a62aeccc09e"
+  dependencies:
+    convert-source-map "~1.1.0"
+    inline-source-map "~0.6.0"
+    lodash.memoize "~3.0.3"
+    source-map "~0.5.3"
+
+combine-source-map@~0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/combine-source-map/-/combine-source-map-0.8.0.tgz#a58d0df042c186fcf822a8e8015f5450d2d79a8b"
+  dependencies:
+    convert-source-map "~1.1.0"
+    inline-source-map "~0.6.0"
+    lodash.memoize "~3.0.3"
+    source-map "~0.5.3"
+
+combined-stream@1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
+  dependencies:
+    delayed-stream "~1.0.0"
+
+combined-stream@^1.0.5, combined-stream@~1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.5.tgz#938370a57b4a51dea2c77c15d5c5fdf895164009"
+  dependencies:
+    delayed-stream "~1.0.0"
+
+commander@^2.9.0:
+  version "2.14.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.14.1.tgz#2235123e37af8ca3c65df45b026dbd357b01b9aa"
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+
+concat-stream@1.6.0, concat-stream@^1.4.7, concat-stream@^1.4.8, concat-stream@^1.5.2:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.0.tgz#0aac662fd52be78964d5532f694784e70110acf7"
+  dependencies:
+    inherits "^2.0.3"
+    readable-stream "^2.2.2"
+    typedarray "^0.0.6"
+
+concat-stream@~1.5.0, concat-stream@~1.5.1:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.5.2.tgz#708978624d856af41a5a741defdd261da752c266"
+  dependencies:
+    inherits "~2.0.1"
+    readable-stream "~2.0.0"
+    typedarray "~0.0.5"
+
+console-browserify@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/console-browserify/-/console-browserify-1.1.0.tgz#f0241c45730a9fc6323b206dbf38edc741d0bb10"
+  dependencies:
+    date-now "^0.1.4"
+
+constants-browserify@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/constants-browserify/-/constants-browserify-1.0.0.tgz#c20b96d8c617748aaf1c16021760cd27fcb8cb75"
+
+convert-source-map@^1.0.0:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.1.tgz#b8278097b9bc229365de5c62cf5fcaed8b5599e5"
+
+convert-source-map@~1.1.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.1.3.tgz#4829c877e9fe49b3161f3bf3673888e204699860"
+
+core-util-is@1.0.2, core-util-is@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
+
+coveralls@^2.11.14:
+  version "2.13.3"
+  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-2.13.3.tgz#9ad7c2ae527417f361e8b626483f48ee92dd2bc7"
+  dependencies:
+    js-yaml "3.6.1"
+    lcov-parse "0.0.10"
+    log-driver "1.2.5"
+    minimist "1.2.0"
+    request "2.79.0"
+
+create-ecdh@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/create-ecdh/-/create-ecdh-4.0.0.tgz#888c723596cdf7612f6498233eebd7a35301737d"
+  dependencies:
+    bn.js "^4.1.0"
+    elliptic "^6.0.0"
+
+create-hash@^1.1.0, create-hash@^1.1.2:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.1.3.tgz#606042ac8b9262750f483caddab0f5819172d8fd"
+  dependencies:
+    cipher-base "^1.0.1"
+    inherits "^2.0.1"
+    ripemd160 "^2.0.0"
+    sha.js "^2.4.0"
+
+create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.6.tgz#acb9e221a4e17bdb076e90657c42b93e3726cf06"
+  dependencies:
+    cipher-base "^1.0.3"
+    create-hash "^1.1.0"
+    inherits "^2.0.1"
+    ripemd160 "^2.0.0"
+    safe-buffer "^5.0.1"
+    sha.js "^2.4.8"
+
+cross-spawn@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-4.0.2.tgz#7b9247621c23adfdd3856004a823cbe397424d41"
+  dependencies:
+    lru-cache "^4.0.1"
+    which "^1.2.9"
+
+cross-spawn@^5.0.1:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
+  dependencies:
+    lru-cache "^4.0.1"
+    shebang-command "^1.2.0"
+    which "^1.2.9"
+
+cryptiles@2.x.x:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
+  dependencies:
+    boom "2.x.x"
+
+cryptiles@3.x.x:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-3.1.2.tgz#a89fbb220f5ce25ec56e8c4aa8a4fd7b5b0d29fe"
+  dependencies:
+    boom "5.x.x"
+
+crypto-browserify@^3.0.0:
+  version "3.12.0"
+  resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
+  dependencies:
+    browserify-cipher "^1.0.0"
+    browserify-sign "^4.0.0"
+    create-ecdh "^4.0.0"
+    create-hash "^1.1.0"
+    create-hmac "^1.1.0"
+    diffie-hellman "^5.0.0"
+    inherits "^2.0.1"
+    pbkdf2 "^3.0.3"
+    public-encrypt "^4.0.0"
+    randombytes "^2.0.0"
+    randomfill "^1.0.3"
+
+d@1:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/d/-/d-1.0.0.tgz#754bb5bfe55451da69a58b94d45f4c5b0462d58f"
+  dependencies:
+    es5-ext "^0.10.9"
+
+dashdash@^1.12.0:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
+  dependencies:
+    assert-plus "^1.0.0"
+
+date-now@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
+
+debug@2.6.9, debug@^2.1.1:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  dependencies:
+    ms "2.0.0"
+
+decamelize@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+
+deep-equal@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"
+
+deep-is@~0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
+
+deeply@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/deeply/-/deeply-1.0.0.tgz#ed573160b5c91ff5138917bf701e5453b19f574b"
+
+defaults@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/defaults/-/defaults-1.0.3.tgz#c656051e9817d9ff08ed881477f3fe4019f3ef7d"
+  dependencies:
+    clone "^1.0.2"
+
+define-properties@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.2.tgz#83a73f2fea569898fb737193c8f873caf6d45c94"
+  dependencies:
+    foreach "^2.0.5"
+    object-keys "^1.0.8"
+
+defined@^1.0.0, defined@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
+
+del@^2.0.2:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/del/-/del-2.2.2.tgz#c12c981d067846c84bcaf862cff930d907ffd1a8"
+  dependencies:
+    globby "^5.0.0"
+    is-path-cwd "^1.0.0"
+    is-path-in-cwd "^1.0.0"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    rimraf "^2.2.8"
+
+delayed-stream@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
+
+deps-sort@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/deps-sort/-/deps-sort-2.0.0.tgz#091724902e84658260eb910748cccd1af6e21fb5"
+  dependencies:
+    JSONStream "^1.0.3"
+    shasum "^1.0.0"
+    subarg "^1.0.0"
+    through2 "^2.0.0"
+
+des.js@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/des.js/-/des.js-1.0.0.tgz#c074d2e2aa6a8a9a07dbd61f9a15c2cd83ec8ecc"
+  dependencies:
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+
+detective@^4.0.0:
+  version "4.7.1"
+  resolved "https://registry.yarnpkg.com/detective/-/detective-4.7.1.tgz#0eca7314338442febb6d65da54c10bb1c82b246e"
+  dependencies:
+    acorn "^5.2.1"
+    defined "^1.0.0"
+
+diffie-hellman@^5.0.0:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/diffie-hellman/-/diffie-hellman-5.0.2.tgz#b5835739270cfe26acf632099fded2a07f209e5e"
+  dependencies:
+    bn.js "^4.1.0"
+    miller-rabin "^4.0.0"
+    randombytes "^2.0.0"
+
+doctrine@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.1.0.tgz#5cd01fc101621b42c4cd7f5d1a66243716d3f39d"
+  dependencies:
+    esutils "^2.0.2"
+
+domain-browser@~1.1.0:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.1.7.tgz#867aa4b093faa05f1de08c06f4d7b21fdf8698bc"
+
+du@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/du/-/du-0.1.0.tgz#f26e340a09c7bc5b6fd69af6dbadea60fa8c6f4d"
+  dependencies:
+    async "~0.1.22"
+
+duplexer2@^0.1.2, duplexer2@~0.1.0, duplexer2@~0.1.2:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/duplexer2/-/duplexer2-0.1.4.tgz#8b12dab878c0d69e3e7891051662a32fc6bddcc1"
+  dependencies:
+    readable-stream "^2.0.2"
+
+ecc-jsbn@~0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz#0fc73a9ed5f0d53c38193398523ef7e543777505"
+  dependencies:
+    jsbn "~0.1.0"
+
+elliptic@^6.0.0:
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.0.tgz#cac9af8762c85836187003c8dfe193e5e2eae5df"
+  dependencies:
+    bn.js "^4.4.0"
+    brorand "^1.0.1"
+    hash.js "^1.0.0"
+    hmac-drbg "^1.0.0"
+    inherits "^2.0.1"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.0"
+
+envar@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/envar/-/envar-2.0.0.tgz#44f7cdafbf976b732b73ad1acb2e8808ecf8876e"
+  dependencies:
+    deeply "^1.0.0"
+    minimist "^1.2.0"
+
+es-abstract@^1.5.0:
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.10.0.tgz#1ecb36c197842a00d8ee4c2dfd8646bb97d60864"
+  dependencies:
+    es-to-primitive "^1.1.1"
+    function-bind "^1.1.1"
+    has "^1.0.1"
+    is-callable "^1.1.3"
+    is-regex "^1.0.4"
+
+es-to-primitive@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.1.1.tgz#45355248a88979034b6792e19bb81f2b7975dd0d"
+  dependencies:
+    is-callable "^1.1.1"
+    is-date-object "^1.0.1"
+    is-symbol "^1.0.1"
+
+es5-ext@^0.10.14, es5-ext@^0.10.35, es5-ext@^0.10.9, es5-ext@~0.10.14:
+  version "0.10.38"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.38.tgz#fa7d40d65bbc9bb8a67e1d3f9cc656a00530eed3"
+  dependencies:
+    es6-iterator "~2.0.3"
+    es6-symbol "~3.1.1"
+
+es6-iterator@^2.0.1, es6-iterator@~2.0.1, es6-iterator@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
+  dependencies:
+    d "1"
+    es5-ext "^0.10.35"
+    es6-symbol "^3.1.1"
+
+es6-map@^0.1.3:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/es6-map/-/es6-map-0.1.5.tgz#9136e0503dcc06a301690f0bb14ff4e364e949f0"
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+    es6-iterator "~2.0.1"
+    es6-set "~0.1.5"
+    es6-symbol "~3.1.1"
+    event-emitter "~0.3.5"
+
+es6-promise@^4.0.3:
+  version "4.2.4"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.4.tgz#dc4221c2b16518760bd8c39a52d8f356fc00ed29"
+
+es6-set@~0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/es6-set/-/es6-set-0.1.5.tgz#d2b3ec5d4d800ced818db538d28974db0a73ccb1"
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+    es6-iterator "~2.0.1"
+    es6-symbol "3.1.1"
+    event-emitter "~0.3.5"
+
+es6-symbol@3.1.1, es6-symbol@^3.1.1, es6-symbol@~3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.1.tgz#bf00ef4fdab6ba1b46ecb7b629b4c7ed5715cc77"
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+
+es6-weak-map@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/es6-weak-map/-/es6-weak-map-2.0.2.tgz#5e3ab32251ffd1538a1f8e5ffa1357772f92d96f"
+  dependencies:
+    d "1"
+    es5-ext "^0.10.14"
+    es6-iterator "^2.0.1"
+    es6-symbol "^3.1.1"
+
+escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+
+escodegen@1.8.x:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-1.8.1.tgz#5a5b53af4693110bebb0867aa3430dd3b70a1018"
+  dependencies:
+    esprima "^2.7.1"
+    estraverse "^1.9.1"
+    esutils "^2.0.2"
+    optionator "^0.8.1"
+  optionalDependencies:
+    source-map "~0.2.0"
+
+escope@^3.6.0:
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/escope/-/escope-3.6.0.tgz#e01975e812781a163a6dadfdd80398dc64c889c3"
+  dependencies:
+    es6-map "^0.1.3"
+    es6-weak-map "^2.0.1"
+    esrecurse "^4.1.0"
+    estraverse "^4.1.1"
+
+eslint@^3.9.1:
+  version "3.19.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-3.19.0.tgz#c8fc6201c7f40dd08941b87c085767386a679acc"
+  dependencies:
+    babel-code-frame "^6.16.0"
+    chalk "^1.1.3"
+    concat-stream "^1.5.2"
+    debug "^2.1.1"
+    doctrine "^2.0.0"
+    escope "^3.6.0"
+    espree "^3.4.0"
+    esquery "^1.0.0"
+    estraverse "^4.2.0"
+    esutils "^2.0.2"
+    file-entry-cache "^2.0.0"
+    glob "^7.0.3"
+    globals "^9.14.0"
+    ignore "^3.2.0"
+    imurmurhash "^0.1.4"
+    inquirer "^0.12.0"
+    is-my-json-valid "^2.10.0"
+    is-resolvable "^1.0.0"
+    js-yaml "^3.5.1"
+    json-stable-stringify "^1.0.0"
+    levn "^0.3.0"
+    lodash "^4.0.0"
+    mkdirp "^0.5.0"
+    natural-compare "^1.4.0"
+    optionator "^0.8.2"
+    path-is-inside "^1.0.1"
+    pluralize "^1.2.1"
+    progress "^1.1.8"
+    require-uncached "^1.0.2"
+    shelljs "^0.7.5"
+    strip-bom "^3.0.0"
+    strip-json-comments "~2.0.1"
+    table "^3.7.8"
+    text-table "~0.2.0"
+    user-home "^2.0.0"
+
+espree@^3.4.0:
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.3.tgz#931e0af64e7fbbed26b050a29daad1fc64799fa6"
+  dependencies:
+    acorn "^5.4.0"
+    acorn-jsx "^3.0.0"
+
+esprima@2.7.x, esprima@^2.6.0, esprima@^2.7.1:
+  version "2.7.3"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
+
+esprima@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.0.tgz#4499eddcd1110e0b218bacf2fa7f7f59f55ca804"
+
+esquery@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.0.0.tgz#cfba8b57d7fba93f17298a8a006a04cda13d80fa"
+  dependencies:
+    estraverse "^4.0.0"
+
+esrecurse@^4.1.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.2.0.tgz#fa9568d98d3823f9a41d91e902dcab9ea6e5b163"
+  dependencies:
+    estraverse "^4.1.0"
+    object-assign "^4.0.1"
+
+estraverse@^1.9.1:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-1.9.3.tgz#af67f2dc922582415950926091a4005d29c9bb44"
+
+estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1, estraverse@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
+
+esutils@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
+
+event-emitter@~0.3.5:
+  version "0.3.5"
+  resolved "https://registry.yarnpkg.com/event-emitter/-/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+
+events@~1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/events/-/events-1.1.1.tgz#9ebdb7635ad099c70dcc4c2a1f5004288e8bd924"
+
+evp_bytestokey@^1.0.0, evp_bytestokey@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/evp_bytestokey/-/evp_bytestokey-1.0.3.tgz#7fcbdb198dc71959432efe13842684e0525acb02"
+  dependencies:
+    md5.js "^1.3.4"
+    safe-buffer "^5.1.1"
+
+exit-hook@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/exit-hook/-/exit-hook-1.1.1.tgz#f05ca233b48c05d54fff07765df8507e95c02ff8"
+
+extend@~3.0.0, extend@~3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
+
+extract-zip@^1.6.5:
+  version "1.6.6"
+  resolved "https://registry.yarnpkg.com/extract-zip/-/extract-zip-1.6.6.tgz#1290ede8d20d0872b429fd3f351ca128ec5ef85c"
+  dependencies:
+    concat-stream "1.6.0"
+    debug "2.6.9"
+    mkdirp "0.5.0"
+    yauzl "2.4.1"
+
+extsprintf@1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
+
+extsprintf@^1.2.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.4.0.tgz#e2689f8f356fad62cca65a3a91c5df5f9551692f"
+
+fake@^0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/fake/-/fake-0.2.2.tgz#68fe672725ff0f5c89ba92c539b31111f122d1f3"
+
+far@^0.0.7:
+  version "0.0.7"
+  resolved "https://registry.yarnpkg.com/far/-/far-0.0.7.tgz#01c1fd362bcd26ce9cf161af3938aa34619f79a7"
+  dependencies:
+    oop "0.0.3"
+
+fast-deep-equal@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz#96256a3bc975595eb36d82e9929d060d893439ff"
+
+fast-json-stable-stringify@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
+
+fast-levenshtein@~2.0.4:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
+
+fd-slicer@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.0.1.tgz#8b5bcbd9ec327c5041bf9ab023fd6750f1177e65"
+  dependencies:
+    pend "~1.2.0"
+
+figures@^1.3.5:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/figures/-/figures-1.7.0.tgz#cbe1e3affcf1cd44b80cadfed28dc793a9701d2e"
+  dependencies:
+    escape-string-regexp "^1.0.5"
+    object-assign "^4.1.0"
+
+file-entry-cache@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-2.0.0.tgz#c392990c3e684783d838b8c84a45d8a048458361"
+  dependencies:
+    flat-cache "^1.2.1"
+    object-assign "^4.0.1"
+
+flat-cache@^1.2.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-1.3.0.tgz#d3030b32b38154f4e3b7e9c709f490f7ef97c481"
+  dependencies:
+    circular-json "^0.3.1"
+    del "^2.0.2"
+    graceful-fs "^4.1.2"
+    write "^0.2.1"
+
+for-each@~0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/for-each/-/for-each-0.3.2.tgz#2c40450b9348e97f281322593ba96704b9abd4d4"
+  dependencies:
+    is-function "~1.0.0"
+
+foreach@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/foreach/-/foreach-2.0.5.tgz#0bee005018aeb260d0a3af3ae658dd0136ec1b99"
+
+forever-agent@~0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
+
+form-data@~2.1.1:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.1.4.tgz#33c183acf193276ecaa98143a69e94bfee1750d1"
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "^1.0.5"
+    mime-types "^2.1.12"
+
+form-data@~2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.3.1.tgz#6fb94fbd71885306d73d15cc497fe4cc4ecd44bf"
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "^1.0.5"
+    mime-types "^2.1.12"
+
+formidable@^1.0.17:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.1.1.tgz#96b8886f7c3c3508b932d6bd70c4d3a88f35f1a9"
+
+fs-extra@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-1.0.0.tgz#cd3ce5f7e7cb6145883fcae3191e9877f8587950"
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^2.1.0"
+    klaw "^1.0.0"
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+
+fstream-ignore@^1.0.0:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/fstream-ignore/-/fstream-ignore-1.0.5.tgz#9c31dae34767018fe1d249b24dada67d092da105"
+  dependencies:
+    fstream "^1.0.0"
+    inherits "2"
+    minimatch "^3.0.0"
+
+fstream-npm@^1.2.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/fstream-npm/-/fstream-npm-1.2.1.tgz#08c4a452f789dcbac4c89a4563c902b2c862fd5b"
+  dependencies:
+    fstream-ignore "^1.0.0"
+    inherits "2"
+
+fstream@^1.0.0:
+  version "1.0.11"
+  resolved "https://registry.yarnpkg.com/fstream/-/fstream-1.0.11.tgz#5c1fb1f117477114f0632a0eb4b71b3cb0fd3171"
+  dependencies:
+    graceful-fs "^4.1.2"
+    inherits "~2.0.0"
+    mkdirp ">=0.5 0"
+    rimraf "2"
+
+function-bind@^1.0.2, function-bind@^1.1.1, function-bind@~1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.1.tgz#a56899d3ea3c9bab874bb9773b7c5ede92f4895d"
+
+generate-function@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/generate-function/-/generate-function-2.0.0.tgz#6858fe7c0969b7d4e9093337647ac79f60dfbe74"
+
+generate-object-property@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/generate-object-property/-/generate-object-property-1.2.0.tgz#9c0e1c40308ce804f4783618b937fa88f99d50d0"
+  dependencies:
+    is-property "^1.0.0"
+
+getpass@^0.1.1:
+  version "0.1.7"
+  resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
+  dependencies:
+    assert-plus "^1.0.0"
+
+ghostface@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/ghostface/-/ghostface-1.5.0.tgz#b93e7ab6560ec93b4509032fdd43a4bec93044fd"
+  dependencies:
+    chalk "^1.0.0"
+    concat-stream "^1.4.8"
+    convert-source-map "^1.0.0"
+    minimist "^1.1.1"
+    semver "^4.3.3"
+    source-map "^0.4.2"
+    which "^1.0.9"
+
+glob@^5.0.15:
+  version "5.0.15"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-5.0.15.tgz#1bc936b9e02f4a603fcc222ecf7633d30b8b93b1"
+  dependencies:
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "2 || 3"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.0, glob@~7.1.2:
+  version "7.1.2"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+globals@^9.14.0:
+  version "9.18.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
+
+globby@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-5.0.0.tgz#ebd84667ca0dbb330b99bcfc68eac2bc54370e0d"
+  dependencies:
+    array-union "^1.0.1"
+    arrify "^1.0.0"
+    glob "^7.0.3"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
+  version "4.1.11"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
+
+handlebars@^4.0.1:
+  version "4.0.11"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.11.tgz#630a35dfe0294bc281edae6ffc5d329fc7982dcc"
+  dependencies:
+    async "^1.4.0"
+    optimist "^0.6.1"
+    source-map "^0.4.4"
+  optionalDependencies:
+    uglify-js "^2.6"
+
+har-schema@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-2.0.0.tgz#a94c2224ebcac04782a0d9035521f24735b7ec92"
+
+har-validator@~2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-2.0.6.tgz#cdcbc08188265ad119b6a5a7c8ab70eecfb5d27d"
+  dependencies:
+    chalk "^1.1.1"
+    commander "^2.9.0"
+    is-my-json-valid "^2.12.4"
+    pinkie-promise "^2.0.0"
+
+har-validator@~5.0.3:
+  version "5.0.3"
+  resolved "https://registry.yarnpkg.com/har-validator/-/har-validator-5.0.3.tgz#ba402c266194f15956ef15e0fcf242993f6a7dfd"
+  dependencies:
+    ajv "^5.1.0"
+    har-schema "^2.0.0"
+
+has-ansi@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/has-ansi/-/has-ansi-2.0.0.tgz#34f5049ce1ecdf2b0649af3ef24e45ed35416d91"
+  dependencies:
+    ansi-regex "^2.0.0"
+
+has-flag@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-1.0.0.tgz#9d9e793165ce017a00f00418c43f942a7b1d11fa"
+
+has@^1.0.0, has@^1.0.1, has@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.1.tgz#8461733f538b0837c9361e39a9ab9e9704dc2f28"
+  dependencies:
+    function-bind "^1.0.2"
+
+hash-base@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/hash-base/-/hash-base-2.0.2.tgz#66ea1d856db4e8a5470cadf6fce23ae5244ef2e1"
+  dependencies:
+    inherits "^2.0.1"
+
+hash-base@^3.0.0:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/hash-base/-/hash-base-3.0.4.tgz#5fc8686847ecd73499403319a6b0a3f3f6ae4918"
+  dependencies:
+    inherits "^2.0.1"
+    safe-buffer "^5.0.1"
+
+hash.js@^1.0.0, hash.js@^1.0.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.3.tgz#340dedbe6290187151c1ea1d777a3448935df846"
+  dependencies:
+    inherits "^2.0.3"
+    minimalistic-assert "^1.0.0"
+
+hasha@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/hasha/-/hasha-2.2.0.tgz#78d7cbfc1e6d66303fe79837365984517b2f6ee1"
+  dependencies:
+    is-stream "^1.0.1"
+    pinkie-promise "^2.0.0"
+
+hawk@~3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/hawk/-/hawk-3.1.3.tgz#078444bd7c1640b0fe540d2c9b73d59678e8e1c4"
+  dependencies:
+    boom "2.x.x"
+    cryptiles "2.x.x"
+    hoek "2.x.x"
+    sntp "1.x.x"
+
+hawk@~6.0.2:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/hawk/-/hawk-6.0.2.tgz#af4d914eb065f9b5ce4d9d11c1cb2126eecc3038"
+  dependencies:
+    boom "4.x.x"
+    cryptiles "3.x.x"
+    hoek "4.x.x"
+    sntp "2.x.x"
+
+hmac-drbg@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
+  dependencies:
+    hash.js "^1.0.3"
+    minimalistic-assert "^1.0.0"
+    minimalistic-crypto-utils "^1.0.1"
+
+hoek@2.x.x:
+  version "2.16.3"
+  resolved "https://registry.yarnpkg.com/hoek/-/hoek-2.16.3.tgz#20bb7403d3cea398e91dc4710a8ff1b8274a25ed"
+
+hoek@4.x.x:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/hoek/-/hoek-4.2.0.tgz#72d9d0754f7fe25ca2d01ad8f8f9a9449a89526d"
+
+htmlescape@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/htmlescape/-/htmlescape-1.1.1.tgz#3a03edc2214bca3b66424a3e7959349509cb0351"
+
+http-signature@~1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/http-signature/-/http-signature-1.1.1.tgz#df72e267066cd0ac67fb76adf8e134a8fbcf91bf"
+  dependencies:
+    assert-plus "^0.2.0"
+    jsprim "^1.2.2"
+    sshpk "^1.7.0"
+
+http-signature@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/http-signature/-/http-signature-1.2.0.tgz#9aecd925114772f3d95b65a60abb8f7c18fbace1"
+  dependencies:
+    assert-plus "^1.0.0"
+    jsprim "^1.2.2"
+    sshpk "^1.7.0"
+
+https-browserify@~0.0.0:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-0.0.1.tgz#3f91365cabe60b77ed0ebba24b454e3e09d95a82"
+
+ieee754@^1.1.4:
+  version "1.1.8"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.8.tgz#be33d40ac10ef1926701f6f08a2d86fbfd1ad3e4"
+
+ignore@^3.2.0:
+  version "3.3.7"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.7.tgz#612289bfb3c220e186a58118618d5be8c1bab021"
+
+imurmurhash@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
+
+in-publish@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/in-publish/-/in-publish-2.0.0.tgz#e20ff5e3a2afc2690320b6dc552682a9c7fadf51"
+
+indexof@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/indexof/-/indexof-0.0.1.tgz#82dc336d232b9062179d05ab3293a66059fd435d"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+
+inherits@2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
+
+inline-source-map@~0.6.0:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/inline-source-map/-/inline-source-map-0.6.2.tgz#f9393471c18a79d1724f863fa38b586370ade2a5"
+  dependencies:
+    source-map "~0.5.3"
+
+inquirer@^0.12.0:
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-0.12.0.tgz#1ef2bfd63504df0bc75785fff8c2c41df12f077e"
+  dependencies:
+    ansi-escapes "^1.1.0"
+    ansi-regex "^2.0.0"
+    chalk "^1.0.0"
+    cli-cursor "^1.0.1"
+    cli-width "^2.0.0"
+    figures "^1.3.5"
+    lodash "^4.3.0"
+    readline2 "^1.0.1"
+    run-async "^0.1.0"
+    rx-lite "^3.1.2"
+    string-width "^1.0.1"
+    strip-ansi "^3.0.0"
+    through "^2.3.6"
+
+insert-module-globals@^7.0.0:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/insert-module-globals/-/insert-module-globals-7.0.1.tgz#c03bf4e01cb086d5b5e5ace8ad0afe7889d638c3"
+  dependencies:
+    JSONStream "^1.0.3"
+    combine-source-map "~0.7.1"
+    concat-stream "~1.5.1"
+    is-buffer "^1.1.0"
+    lexical-scope "^1.2.0"
+    process "~0.11.0"
+    through2 "^2.0.0"
+    xtend "^4.0.0"
+
+interpret@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.1.0.tgz#7ed1b1410c6a0e0f78cf95d3b8440c63f78b8614"
+
+is-buffer@^1.1.0, is-buffer@^1.1.5:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
+
+is-callable@^1.1.1, is-callable@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.1.3.tgz#86eb75392805ddc33af71c92a0eedf74ee7604b2"
+
+is-date-object@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-date-object/-/is-date-object-1.0.1.tgz#9aa20eb6aeebbff77fbd33e74ca01b33581d3a16"
+
+is-fullwidth-code-point@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz#ef9e31386f031a7f0d643af82fde50c457ef00cb"
+  dependencies:
+    number-is-nan "^1.0.0"
+
+is-fullwidth-code-point@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
+
+is-function@~1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-function/-/is-function-1.0.1.tgz#12cfb98b65b57dd3d193a3121f5f6e2f437602b5"
+
+is-my-json-valid@^2.10.0, is-my-json-valid@^2.12.4:
+  version "2.17.1"
+  resolved "https://registry.yarnpkg.com/is-my-json-valid/-/is-my-json-valid-2.17.1.tgz#3da98914a70a22f0a8563ef1511a246c6fc55471"
+  dependencies:
+    generate-function "^2.0.0"
+    generate-object-property "^1.1.0"
+    jsonpointer "^4.0.0"
+    xtend "^4.0.0"
+
+is-node-modern@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-node-modern/-/is-node-modern-1.0.0.tgz#cfe2607be7403b05b28a566f66cbf8a583d4fc63"
+
+is-path-cwd@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-path-cwd/-/is-path-cwd-1.0.0.tgz#d225ec23132e89edd38fda767472e62e65f1106d"
+
+is-path-in-cwd@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-path-in-cwd/-/is-path-in-cwd-1.0.0.tgz#6477582b8214d602346094567003be8a9eac04dc"
+  dependencies:
+    is-path-inside "^1.0.0"
+
+is-path-inside@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-path-inside/-/is-path-inside-1.0.1.tgz#8ef5b7de50437a3fdca6b4e865ef7aa55cb48036"
+  dependencies:
+    path-is-inside "^1.0.1"
+
+is-property@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-property/-/is-property-1.0.2.tgz#57fe1c4e48474edd65b09911f26b1cd4095dda84"
+
+is-regex@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
+  dependencies:
+    has "^1.0.1"
+
+is-resolvable@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.1.0.tgz#fb18f87ce1feb925169c9a407c19318a3206ed88"
+
+is-stream@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
+
+is-symbol@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-symbol/-/is-symbol-1.0.1.tgz#3cc59f00025194b6ab2e38dbae6689256b660572"
+
+is-typedarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
+
+isarray@^1.0.0, isarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+
+isarray@~0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
+
+isexe@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
+
+isstream@~0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
+
+istanbul@^0.4.5:
+  version "0.4.5"
+  resolved "https://registry.yarnpkg.com/istanbul/-/istanbul-0.4.5.tgz#65c7d73d4c4da84d4f3ac310b918fb0b8033733b"
+  dependencies:
+    abbrev "1.0.x"
+    async "1.x"
+    escodegen "1.8.x"
+    esprima "2.7.x"
+    glob "^5.0.15"
+    handlebars "^4.0.1"
+    js-yaml "3.x"
+    mkdirp "0.5.x"
+    nopt "3.x"
+    once "1.x"
+    resolve "1.1.x"
+    supports-color "^3.1.0"
+    which "^1.1.1"
+    wordwrap "^1.0.0"
+
+js-tokens@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
+
+js-yaml@3.6.1:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.6.1.tgz#6e5fe67d8b205ce4d22fad05b7781e8dadcc4b30"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^2.6.0"
+
+js-yaml@3.x, js-yaml@^3.5.1:
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.10.0.tgz#2e78441646bd4682e963f22b6e92823c309c62dc"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
+jsbn@~0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
+
+json-schema-traverse@^0.3.0:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz#349a6d44c53a51de89b40805c5d5e59b417d3340"
+
+json-schema@0.2.3:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
+
+json-stable-stringify@^1.0.0, json-stable-stringify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
+  dependencies:
+    jsonify "~0.0.0"
+
+json-stable-stringify@~0.0.0:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-0.0.1.tgz#611c23e814db375527df851193db59dd2af27f45"
+  dependencies:
+    jsonify "~0.0.0"
+
+json-stringify-safe@~5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
+
+jsonfile@^2.1.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-2.4.0.tgz#3736a2b428b87bbda0cc83b53fa3d633a35c2ae8"
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
+jsonify@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
+
+jsonparse@^1.2.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/jsonparse/-/jsonparse-1.3.1.tgz#3f4dae4a91fac315f71062f8521cc239f1366280"
+
+jsonpointer@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-4.0.1.tgz#4fd92cb34e0e9db3c89c8622ecf51f9b978c6cb9"
+
+jsprim@^1.2.2:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
+  dependencies:
+    assert-plus "1.0.0"
+    extsprintf "1.3.0"
+    json-schema "0.2.3"
+    verror "1.10.0"
+
+kew@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/kew/-/kew-0.7.0.tgz#79d93d2d33363d6fdd2970b335d9141ad591d79b"
+
+kind-of@^3.0.2:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
+  dependencies:
+    is-buffer "^1.1.5"
+
+klaw@^1.0.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/klaw/-/klaw-1.3.1.tgz#4088433b46b3b1ba259d78785d8e96f73ba02439"
+  optionalDependencies:
+    graceful-fs "^4.1.9"
+
+labeled-stream-splicer@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/labeled-stream-splicer/-/labeled-stream-splicer-2.0.0.tgz#a52e1d138024c00b86b1c0c91f677918b8ae0a59"
+  dependencies:
+    inherits "^2.0.1"
+    isarray "~0.0.1"
+    stream-splicer "^2.0.0"
+
+lazy-cache@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
+
+lcov-parse@0.0.10:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/lcov-parse/-/lcov-parse-0.0.10.tgz#1b0b8ff9ac9c7889250582b70b71315d9da6d9a3"
+
+levn@^0.3.0, levn@~0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
+  dependencies:
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+
+lexical-scope@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/lexical-scope/-/lexical-scope-1.2.0.tgz#fcea5edc704a4b3a8796cdca419c3a0afaf22df4"
+  dependencies:
+    astw "^2.0.0"
+
+lodash.memoize@~3.0.3:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-3.0.4.tgz#2dcbd2c287cbc0a55cc42328bd0c736150d53e3f"
+
+lodash@^4.0.0, lodash@^4.3.0:
+  version "4.17.5"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
+
+log-driver@1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/log-driver/-/log-driver-1.2.5.tgz#7ae4ec257302fd790d557cb10c97100d857b0056"
+
+longest@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
+
+lru-cache@^4.0.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.1.tgz#622e32e82488b49279114a4f9ecf45e7cd6bba55"
+  dependencies:
+    pseudomap "^1.0.2"
+    yallist "^2.1.2"
+
+map-limit@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/map-limit/-/map-limit-0.0.1.tgz#eb7961031c0f0e8d001bf2d56fab685d58822f38"
+  dependencies:
+    once "~1.3.0"
+
+md5.js@^1.3.4:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.4.tgz#e9bdbde94a20a5ac18b04340fc5764d5b09d901d"
+  dependencies:
+    hash-base "^3.0.0"
+    inherits "^2.0.1"
+
+miller-rabin@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/miller-rabin/-/miller-rabin-4.0.1.tgz#f080351c865b0dc562a8462966daa53543c78a4d"
+  dependencies:
+    bn.js "^4.0.0"
+    brorand "^1.0.1"
+
+mime-db@~1.30.0:
+  version "1.30.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.30.0.tgz#74c643da2dd9d6a45399963465b26d5ca7d71f01"
+
+mime-types@^2.1.12, mime-types@~2.1.17, mime-types@~2.1.7:
+  version "2.1.17"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.17.tgz#09d7a393f03e995a79f8af857b70a9e0ab16557a"
+  dependencies:
+    mime-db "~1.30.0"
+
+minimalistic-assert@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.0.tgz#702be2dda6b37f4836bcb3f5db56641b64a1d3d3"
+
+minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
+
+"minimatch@2 || 3", minimatch@^3.0.0, minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimist@0.0.8:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+
+minimist@1.2.0, minimist@^1.1.0, minimist@^1.1.1, minimist@^1.2.0, minimist@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+
+minimist@~0.0.1:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+
+mkdirp@0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.0.tgz#1d73076a6df986cd9344e15e71fcc05a4c9abf12"
+  dependencies:
+    minimist "0.0.8"
+
+mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  dependencies:
+    minimist "0.0.8"
+
+module-deps@^4.0.8:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/module-deps/-/module-deps-4.1.1.tgz#23215833f1da13fd606ccb8087b44852dcb821fd"
+  dependencies:
+    JSONStream "^1.0.3"
+    browser-resolve "^1.7.0"
+    cached-path-relative "^1.0.0"
+    concat-stream "~1.5.0"
+    defined "^1.0.0"
+    detective "^4.0.0"
+    duplexer2 "^0.1.2"
+    inherits "^2.0.1"
+    parents "^1.0.0"
+    readable-stream "^2.0.2"
+    resolve "^1.1.3"
+    stream-combiner2 "^1.1.1"
+    subarg "^1.0.0"
+    through2 "^2.0.0"
+    xtend "^4.0.0"
+
+ms@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+
+mute-stream@0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
+
+natural-compare@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
+
+node-uuid@~1.4.7:
+  version "1.4.8"
+  resolved "https://registry.yarnpkg.com/node-uuid/-/node-uuid-1.4.8.tgz#b040eb0923968afabf8d32fb1f17f1167fdab907"
+
+nopt@3.x:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/nopt/-/nopt-3.0.6.tgz#c6465dbf08abcd4db359317f79ac68a646b28ff9"
+  dependencies:
+    abbrev "1"
+
+number-is-nan@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
+
+oauth-sign@~0.8.1, oauth-sign@~0.8.2:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
+
+obake@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/obake/-/obake-0.1.2.tgz#64a477c9ddfbbccc18cff3a750924974d22c29d3"
+  dependencies:
+    envar "^2.0.0"
+    ghostface "^1.5.0"
+
+object-assign@^4.0.1, object-assign@^4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+
+object-inspect@~1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.3.0.tgz#5b1eb8e6742e2ee83342a637034d844928ba2f6d"
+
+object-keys@^1.0.8:
+  version "1.0.11"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.0.11.tgz#c54601778ad560f1142ce0e01bcca8b56d13426d"
+
+once@1.x, once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  dependencies:
+    wrappy "1"
+
+once@~1.3.0:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.3.3.tgz#b2e261557ce4c314ec8304f3fa82663e4297ca20"
+  dependencies:
+    wrappy "1"
+
+onetime@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
+
+oop@0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/oop/-/oop-0.0.3.tgz#70fa405a5650891a194fdc82ca68dad6dabf4401"
+
+optimist@^0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
+  dependencies:
+    minimist "~0.0.1"
+    wordwrap "~0.0.2"
+
+optionator@^0.8.1, optionator@^0.8.2:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
+  dependencies:
+    deep-is "~0.1.3"
+    fast-levenshtein "~2.0.4"
+    levn "~0.3.0"
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+    wordwrap "~1.0.0"
+
+os-browserify@~0.1.1:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/os-browserify/-/os-browserify-0.1.2.tgz#49ca0293e0b19590a5f5de10c7f265a617d8fe54"
+
+os-homedir@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
+
+os-shim@^0.1.2:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/os-shim/-/os-shim-0.1.3.tgz#6b62c3791cf7909ea35ed46e17658bb417cb3917"
+
+pako@~0.2.0:
+  version "0.2.9"
+  resolved "https://registry.yarnpkg.com/pako/-/pako-0.2.9.tgz#f3f7522f4ef782348da8161bad9ecfd51bf83a75"
+
+parents@^1.0.0, parents@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/parents/-/parents-1.0.1.tgz#fedd4d2bf193a77745fe71e371d73c3307d9c751"
+  dependencies:
+    path-platform "~0.11.15"
+
+parse-asn1@^5.0.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.0.tgz#37c4f9b7ed3ab65c74817b5f2480937fbf97c712"
+  dependencies:
+    asn1.js "^4.0.0"
+    browserify-aes "^1.0.0"
+    create-hash "^1.1.0"
+    evp_bytestokey "^1.0.0"
+    pbkdf2 "^3.0.3"
+
+path-browserify@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.0.tgz#a0b870729aae214005b7d5032ec2cbbb0fb4451a"
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+
+path-is-inside@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
+
+path-parse@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
+
+path-platform@~0.11.15:
+  version "0.11.15"
+  resolved "https://registry.yarnpkg.com/path-platform/-/path-platform-0.11.15.tgz#e864217f74c36850f0852b78dc7bf7d4a5721bf2"
+
+pbkdf2@^3.0.3:
+  version "3.0.14"
+  resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.14.tgz#a35e13c64799b06ce15320f459c230e68e73bade"
+  dependencies:
+    create-hash "^1.1.2"
+    create-hmac "^1.1.4"
+    ripemd160 "^2.0.1"
+    safe-buffer "^5.0.1"
+    sha.js "^2.4.8"
+
+pend@~1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
+
+performance-now@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
+
+phantomjs-prebuilt@^2.1.13:
+  version "2.1.16"
+  resolved "https://registry.yarnpkg.com/phantomjs-prebuilt/-/phantomjs-prebuilt-2.1.16.tgz#efd212a4a3966d3647684ea8ba788549be2aefef"
+  dependencies:
+    es6-promise "^4.0.3"
+    extract-zip "^1.6.5"
+    fs-extra "^1.0.0"
+    hasha "^2.2.0"
+    kew "^0.7.0"
+    progress "^1.1.8"
+    request "^2.81.0"
+    request-progress "^2.0.1"
+    which "^1.2.10"
+
+pify@^2.0.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
+
+pinkie-promise@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
+  dependencies:
+    pinkie "^2.0.0"
+
+pinkie@^2.0.0:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
+
+pkgfiles@^2.3.0:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/pkgfiles/-/pkgfiles-2.3.2.tgz#1b54a7a8dbe32caa84b0955f44917e1500d33d05"
+  dependencies:
+    columnify "^1.5.4"
+    du "^0.1.0"
+    fstream-npm "^1.2.0"
+    map-limit "0.0.1"
+    minimist "^1.2.0"
+    pkgresolve "^1.1.4"
+    pretty-bytes "^4.0.2"
+
+pkgresolve@^1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/pkgresolve/-/pkgresolve-1.1.4.tgz#0fa499ca366888c31e97357446c6053025ae47b6"
+  dependencies:
+    minimist "~1.2.0"
+
+pluralize@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-1.2.1.tgz#d1a21483fd22bb41e58a12fa3421823140897c45"
+
+pre-commit@^1.1.3:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/pre-commit/-/pre-commit-1.2.2.tgz#dbcee0ee9de7235e57f79c56d7ce94641a69eec6"
+  dependencies:
+    cross-spawn "^5.0.1"
+    spawn-sync "^1.0.15"
+    which "1.2.x"
+
+prelude-ls@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
+
+pretty-bytes@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/pretty-bytes/-/pretty-bytes-4.0.2.tgz#b2bf82e7350d65c6c33aa95aaa5a4f6327f61cd9"
+
+process-nextick-args@~1.0.6:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
+
+process-nextick-args@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
+
+process@~0.11.0:
+  version "0.11.10"
+  resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
+
+progress@^1.1.8:
+  version "1.1.8"
+  resolved "https://registry.yarnpkg.com/progress/-/progress-1.1.8.tgz#e260c78f6161cdd9b0e56cc3e0a85de17c7a57be"
+
+pseudomap@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
+
+public-encrypt@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/public-encrypt/-/public-encrypt-4.0.0.tgz#39f699f3a46560dd5ebacbca693caf7c65c18cc6"
+  dependencies:
+    bn.js "^4.1.0"
+    browserify-rsa "^4.0.0"
+    create-hash "^1.1.0"
+    parse-asn1 "^5.0.0"
+    randombytes "^2.0.1"
+
+punycode@1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
+
+punycode@^1.3.2, punycode@^1.4.1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
+
+qs@~6.3.0:
+  version "6.3.2"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.3.2.tgz#e75bd5f6e268122a2a0e0bda630b2550c166502c"
+
+qs@~6.5.1:
+  version "6.5.1"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
+
+querystring-es3@~0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/querystring-es3/-/querystring-es3-0.2.1.tgz#9ec61f79049875707d69414596fd907a4d711e73"
+
+querystring@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
+
+randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.0.6.tgz#d302c522948588848a8d300c932b44c24231da80"
+  dependencies:
+    safe-buffer "^5.1.0"
+
+randomfill@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/randomfill/-/randomfill-1.0.3.tgz#b96b7df587f01dd91726c418f30553b1418e3d62"
+  dependencies:
+    randombytes "^2.0.5"
+    safe-buffer "^5.1.0"
+
+read-only-stream@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/read-only-stream/-/read-only-stream-2.0.0.tgz#2724fd6a8113d73764ac288d4386270c1dbf17f0"
+  dependencies:
+    readable-stream "^2.0.2"
+
+readable-stream@^2.0.2, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3:
+  version "2.3.4"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.4.tgz#c946c3f47fa7d8eabc0b6150f4a12f69a4574071"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.0.3"
+    util-deprecate "~1.0.1"
+
+readable-stream@~2.0.0:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "~1.0.0"
+    process-nextick-args "~1.0.6"
+    string_decoder "~0.10.x"
+    util-deprecate "~1.0.1"
+
+readline2@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/readline2/-/readline2-1.0.1.tgz#41059608ffc154757b715d9989d199ffbf372e35"
+  dependencies:
+    code-point-at "^1.0.0"
+    is-fullwidth-code-point "^1.0.0"
+    mute-stream "0.0.5"
+
+rechoir@^0.6.2:
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/rechoir/-/rechoir-0.6.2.tgz#85204b54dba82d5742e28c96756ef43af50e3384"
+  dependencies:
+    resolve "^1.1.6"
+
+repeat-string@^1.5.2:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
+
+request-progress@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/request-progress/-/request-progress-2.0.1.tgz#5d36bb57961c673aa5b788dbc8141fdf23b44e08"
+  dependencies:
+    throttleit "^1.0.0"
+
+request@2.76.0:
+  version "2.76.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.76.0.tgz#be44505afef70360a0436955106be3945d95560e"
+  dependencies:
+    aws-sign2 "~0.6.0"
+    aws4 "^1.2.1"
+    caseless "~0.11.0"
+    combined-stream "~1.0.5"
+    extend "~3.0.0"
+    forever-agent "~0.6.1"
+    form-data "~2.1.1"
+    har-validator "~2.0.6"
+    hawk "~3.1.3"
+    http-signature "~1.1.0"
+    is-typedarray "~1.0.0"
+    isstream "~0.1.2"
+    json-stringify-safe "~5.0.1"
+    mime-types "~2.1.7"
+    node-uuid "~1.4.7"
+    oauth-sign "~0.8.1"
+    qs "~6.3.0"
+    stringstream "~0.0.4"
+    tough-cookie "~2.3.0"
+    tunnel-agent "~0.4.1"
+
+request@2.79.0:
+  version "2.79.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.79.0.tgz#4dfe5bf6be8b8cdc37fcf93e04b65577722710de"
+  dependencies:
+    aws-sign2 "~0.6.0"
+    aws4 "^1.2.1"
+    caseless "~0.11.0"
+    combined-stream "~1.0.5"
+    extend "~3.0.0"
+    forever-agent "~0.6.1"
+    form-data "~2.1.1"
+    har-validator "~2.0.6"
+    hawk "~3.1.3"
+    http-signature "~1.1.0"
+    is-typedarray "~1.0.0"
+    isstream "~0.1.2"
+    json-stringify-safe "~5.0.1"
+    mime-types "~2.1.7"
+    oauth-sign "~0.8.1"
+    qs "~6.3.0"
+    stringstream "~0.0.4"
+    tough-cookie "~2.3.0"
+    tunnel-agent "~0.4.1"
+    uuid "^3.0.0"
+
+request@^2.81.0:
+  version "2.83.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.83.0.tgz#ca0b65da02ed62935887808e6f510381034e3356"
+  dependencies:
+    aws-sign2 "~0.7.0"
+    aws4 "^1.6.0"
+    caseless "~0.12.0"
+    combined-stream "~1.0.5"
+    extend "~3.0.1"
+    forever-agent "~0.6.1"
+    form-data "~2.3.1"
+    har-validator "~5.0.3"
+    hawk "~6.0.2"
+    http-signature "~1.2.0"
+    is-typedarray "~1.0.0"
+    isstream "~0.1.2"
+    json-stringify-safe "~5.0.1"
+    mime-types "~2.1.17"
+    oauth-sign "~0.8.2"
+    performance-now "^2.1.0"
+    qs "~6.5.1"
+    safe-buffer "^5.1.1"
+    stringstream "~0.0.5"
+    tough-cookie "~2.3.3"
+    tunnel-agent "^0.6.0"
+    uuid "^3.1.0"
+
+require-uncached@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
+  dependencies:
+    caller-path "^0.1.0"
+    resolve-from "^1.0.0"
+
+resolve-from@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
+
+resolve@1.1.7, resolve@1.1.x:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
+
+resolve@^1.1.3, resolve@^1.1.4, resolve@^1.1.6:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.5.0.tgz#1f09acce796c9a762579f31b2c1cc4c3cddf9f36"
+  dependencies:
+    path-parse "^1.0.5"
+
+resolve@~1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.4.0.tgz#a75be01c53da25d934a98ebd0e4c4a7312f92a86"
+  dependencies:
+    path-parse "^1.0.5"
+
+restore-cursor@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-1.0.1.tgz#34661f46886327fed2991479152252df92daa541"
+  dependencies:
+    exit-hook "^1.0.0"
+    onetime "^1.0.0"
+
+resumer@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/resumer/-/resumer-0.0.0.tgz#f1e8f461e4064ba39e82af3cdc2a8c893d076759"
+  dependencies:
+    through "~2.3.4"
+
+right-align@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
+  dependencies:
+    align-text "^0.1.1"
+
+rimraf@2, rimraf@^2.2.8, rimraf@^2.5.4:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
+  dependencies:
+    glob "^7.0.5"
+
+ripemd160@^2.0.0, ripemd160@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-2.0.1.tgz#0f4584295c53a3628af7e6d79aca21ce57d1c6e7"
+  dependencies:
+    hash-base "^2.0.0"
+    inherits "^2.0.1"
+
+run-async@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/run-async/-/run-async-0.1.0.tgz#c8ad4a5e110661e402a7d21b530e009f25f8e389"
+  dependencies:
+    once "^1.3.0"
+
+rx-lite@^3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-3.1.2.tgz#19ce502ca572665f3b647b10939f97fd1615f102"
+
+safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
+
+semver@^4.3.3:
+  version "4.3.6"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
+
+sha.js@^2.4.0, sha.js@^2.4.8, sha.js@~2.4.4:
+  version "2.4.10"
+  resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.10.tgz#b1fde5cd7d11a5626638a07c604ab909cfa31f9b"
+  dependencies:
+    inherits "^2.0.1"
+    safe-buffer "^5.0.1"
+
+shasum@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/shasum/-/shasum-1.0.2.tgz#e7012310d8f417f4deb5712150e5678b87ae565f"
+  dependencies:
+    json-stable-stringify "~0.0.0"
+    sha.js "~2.4.4"
+
+shebang-command@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
+  dependencies:
+    shebang-regex "^1.0.0"
+
+shebang-regex@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
+
+shell-quote@^1.6.1:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/shell-quote/-/shell-quote-1.6.1.tgz#f4781949cce402697127430ea3b3c5476f481767"
+  dependencies:
+    array-filter "~0.0.0"
+    array-map "~0.0.0"
+    array-reduce "~0.0.0"
+    jsonify "~0.0.0"
+
+shelljs@^0.7.5:
+  version "0.7.8"
+  resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.7.8.tgz#decbcf874b0d1e5fb72e14b164a9683048e9acb3"
+  dependencies:
+    glob "^7.0.0"
+    interpret "^1.0.0"
+    rechoir "^0.6.2"
+
+slice-ansi@0.0.4:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-0.0.4.tgz#edbf8903f66f7ce2f8eafd6ceed65e264c831b35"
+
+sntp@1.x.x:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/sntp/-/sntp-1.0.9.tgz#6541184cc90aeea6c6e7b35e2659082443c66198"
+  dependencies:
+    hoek "2.x.x"
+
+sntp@2.x.x:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/sntp/-/sntp-2.1.0.tgz#2c6cec14fedc2222739caf9b5c3d85d1cc5a2cc8"
+  dependencies:
+    hoek "4.x.x"
+
+source-map@^0.4.2, source-map@^0.4.4:
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
+  dependencies:
+    amdefine ">=0.0.4"
+
+source-map@~0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.2.0.tgz#dab73fbcfc2ba819b4de03bd6f6eaa48164b3f9d"
+  dependencies:
+    amdefine ">=0.0.4"
+
+source-map@~0.5.1, source-map@~0.5.3:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
+
+spawn-sync@^1.0.15:
+  version "1.0.15"
+  resolved "https://registry.yarnpkg.com/spawn-sync/-/spawn-sync-1.0.15.tgz#b00799557eb7fb0c8376c29d44e8a1ea67e57476"
+  dependencies:
+    concat-stream "^1.4.7"
+    os-shim "^0.1.2"
+
+sprintf-js@~1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+
+sshpk@^1.7.0:
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.13.1.tgz#512df6da6287144316dc4c18fe1cf1d940739be3"
+  dependencies:
+    asn1 "~0.2.3"
+    assert-plus "^1.0.0"
+    dashdash "^1.12.0"
+    getpass "^0.1.1"
+  optionalDependencies:
+    bcrypt-pbkdf "^1.0.0"
+    ecc-jsbn "~0.1.1"
+    jsbn "~0.1.0"
+    tweetnacl "~0.14.0"
+
+stream-browserify@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/stream-browserify/-/stream-browserify-2.0.1.tgz#66266ee5f9bdb9940a4e4514cafb43bb71e5c9db"
+  dependencies:
+    inherits "~2.0.1"
+    readable-stream "^2.0.2"
+
+stream-combiner2@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/stream-combiner2/-/stream-combiner2-1.1.1.tgz#fb4d8a1420ea362764e21ad4780397bebcb41cbe"
+  dependencies:
+    duplexer2 "~0.1.0"
+    readable-stream "^2.0.2"
+
+stream-http@^2.0.0:
+  version "2.8.0"
+  resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.8.0.tgz#fd86546dac9b1c91aff8fc5d287b98fafb41bc10"
+  dependencies:
+    builtin-status-codes "^3.0.0"
+    inherits "^2.0.1"
+    readable-stream "^2.3.3"
+    to-arraybuffer "^1.0.0"
+    xtend "^4.0.0"
+
+stream-splicer@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/stream-splicer/-/stream-splicer-2.0.0.tgz#1b63be438a133e4b671cc1935197600175910d83"
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^2.0.2"
+
+string-width@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
+  dependencies:
+    code-point-at "^1.0.0"
+    is-fullwidth-code-point "^1.0.0"
+    strip-ansi "^3.0.0"
+
+string-width@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
+  dependencies:
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^4.0.0"
+
+string.prototype.trim@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/string.prototype.trim/-/string.prototype.trim-1.1.2.tgz#d04de2c89e137f4d7d206f086b5ed2fae6be8cea"
+  dependencies:
+    define-properties "^1.1.2"
+    es-abstract "^1.5.0"
+    function-bind "^1.0.2"
+
+string_decoder@~0.10.0, string_decoder@~0.10.x:
+  version "0.10.31"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
+
+string_decoder@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.3.tgz#0fc67d7c141825de94282dd536bec6b9bce860ab"
+  dependencies:
+    safe-buffer "~5.1.0"
+
+stringstream@~0.0.4, stringstream@~0.0.5:
+  version "0.0.5"
+  resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
+
+strip-ansi@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
+  dependencies:
+    ansi-regex "^2.0.0"
+
+strip-ansi@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
+  dependencies:
+    ansi-regex "^3.0.0"
+
+strip-bom@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
+
+strip-json-comments@~2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
+
+subarg@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/subarg/-/subarg-1.0.0.tgz#f62cf17581e996b48fc965699f54c06ae268b8d2"
+  dependencies:
+    minimist "^1.1.0"
+
+supports-color@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
+
+supports-color@^3.1.0:
+  version "3.2.3"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.2.3.tgz#65ac0504b3954171d8a64946b2ae3cbb8a5f54f6"
+  dependencies:
+    has-flag "^1.0.0"
+
+syntax-error@^1.1.1:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/syntax-error/-/syntax-error-1.4.0.tgz#2d9d4ff5c064acb711594a3e3b95054ad51d907c"
+  dependencies:
+    acorn-node "^1.2.0"
+
+table@^3.7.8:
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/table/-/table-3.8.3.tgz#2bbc542f0fda9861a755d3947fefd8b3f513855f"
+  dependencies:
+    ajv "^4.7.0"
+    ajv-keywords "^1.0.0"
+    chalk "^1.1.1"
+    lodash "^4.0.0"
+    slice-ansi "0.0.4"
+    string-width "^2.0.0"
+
+tape@^4.6.2:
+  version "4.8.0"
+  resolved "https://registry.yarnpkg.com/tape/-/tape-4.8.0.tgz#f6a9fec41cc50a1de50fa33603ab580991f6068e"
+  dependencies:
+    deep-equal "~1.0.1"
+    defined "~1.0.0"
+    for-each "~0.3.2"
+    function-bind "~1.1.0"
+    glob "~7.1.2"
+    has "~1.0.1"
+    inherits "~2.0.3"
+    minimist "~1.2.0"
+    object-inspect "~1.3.0"
+    resolve "~1.4.0"
+    resumer "~0.0.0"
+    string.prototype.trim "~1.1.2"
+    through "~2.3.8"
+
+text-table@~0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
+
+throttleit@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/throttleit/-/throttleit-1.0.0.tgz#9e785836daf46743145a5984b6268d828528ac6c"
+
+through2@^2.0.0:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.3.tgz#0004569b37c7c74ba39c43f3ced78d1ad94140be"
+  dependencies:
+    readable-stream "^2.1.5"
+    xtend "~4.0.1"
+
+"through@>=2.2.7 <3", through@^2.3.6, through@^2.3.8, through@~2.3.4, through@~2.3.8:
+  version "2.3.8"
+  resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
+
+timers-browserify@^1.0.1:
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-1.4.2.tgz#c9c58b575be8407375cb5e2462dacee74359f41d"
+  dependencies:
+    process "~0.11.0"
+
+to-arraybuffer@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"
+
+tough-cookie@~2.3.0, tough-cookie@~2.3.3:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.3.tgz#0b618a5565b6dea90bf3425d04d55edc475a7561"
+  dependencies:
+    punycode "^1.4.1"
+
+tty-browserify@~0.0.0:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.1.tgz#3f05251ee17904dfd0677546670db9651682b811"
+
+tunnel-agent@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
+  dependencies:
+    safe-buffer "^5.0.1"
+
+tunnel-agent@~0.4.1:
+  version "0.4.3"
+  resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.4.3.tgz#6373db76909fe570e08d73583365ed828a74eeeb"
+
+tweetnacl@^0.14.3, tweetnacl@~0.14.0:
+  version "0.14.5"
+  resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
+
+type-check@~0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.3.2.tgz#5884cab512cf1d355e3fb784f30804b2b520db72"
+  dependencies:
+    prelude-ls "~1.1.2"
+
+typedarray@^0.0.6, typedarray@~0.0.5:
+  version "0.0.6"
+  resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
+
+uglify-js@^2.6:
+  version "2.8.29"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
+  dependencies:
+    source-map "~0.5.1"
+    yargs "~3.10.0"
+  optionalDependencies:
+    uglify-to-browserify "~1.0.0"
+
+uglify-to-browserify@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
+
+umd@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/umd/-/umd-3.0.1.tgz#8ae556e11011f63c2596708a8837259f01b3d60e"
+
+url@~0.11.0:
+  version "0.11.0"
+  resolved "https://registry.yarnpkg.com/url/-/url-0.11.0.tgz#3838e97cfc60521eb73c525a8e55bfdd9e2e28f1"
+  dependencies:
+    punycode "1.3.2"
+    querystring "0.2.0"
+
+user-home@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/user-home/-/user-home-2.0.0.tgz#9c70bfd8169bc1dcbf48604e0f04b8b49cde9e9f"
+  dependencies:
+    os-homedir "^1.0.0"
+
+util-deprecate@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+
+util@0.10.3, util@~0.10.1:
+  version "0.10.3"
+  resolved "https://registry.yarnpkg.com/util/-/util-0.10.3.tgz#7afb1afe50805246489e3db7fe0ed379336ac0f9"
+  dependencies:
+    inherits "2.0.1"
+
+uuid@^3.0.0, uuid@^3.1.0:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.2.1.tgz#12c528bb9d58d0b9265d9a2f6f0fe8be17ff1f14"
+
+verror@1.10.0:
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/verror/-/verror-1.10.0.tgz#3a105ca17053af55d6e270c1f8288682e18da400"
+  dependencies:
+    assert-plus "^1.0.0"
+    core-util-is "1.0.2"
+    extsprintf "^1.2.0"
+
+vm-browserify@~0.0.1:
+  version "0.0.4"
+  resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-0.0.4.tgz#5d7ea45bbef9e4a6ff65f95438e0a87c357d5a73"
+  dependencies:
+    indexof "0.0.1"
+
+wcwidth@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/wcwidth/-/wcwidth-1.0.1.tgz#f0b0dcf915bc5ff1528afadb2c0e17b532da2fe8"
+  dependencies:
+    defaults "^1.0.3"
+
+which@1.2.x:
+  version "1.2.14"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.2.14.tgz#9a87c4378f03e827cecaf1acdf56c736c01c14e5"
+  dependencies:
+    isexe "^2.0.0"
+
+which@^1.0.9, which@^1.1.1, which@^1.2.10, which@^1.2.9:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
+  dependencies:
+    isexe "^2.0.0"
+
+window-size@0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
+
+wordwrap@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
+
+wordwrap@^1.0.0, wordwrap@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
+
+wordwrap@~0.0.2:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+
+write@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/write/-/write-0.2.1.tgz#5fc03828e264cea3fe91455476f7a3c566cb0757"
+  dependencies:
+    mkdirp "^0.5.1"
+
+xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
+
+yallist@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
+
+yargs@~3.10.0:
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
+  dependencies:
+    camelcase "^1.0.2"
+    cliui "^2.1.0"
+    decamelize "^1.0.0"
+    window-size "0.1.0"
+
+yauzl@2.4.1:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.4.1.tgz#9528f442dab1b2284e58b4379bb194e22e0c4005"
+  dependencies:
+    fd-slicer "~1.0.1"
diff --git a/node_modules/forwarded/HISTORY.md b/node_modules/forwarded/HISTORY.md
new file mode 100644
index 000000000..381e6aad4
--- /dev/null
+++ b/node_modules/forwarded/HISTORY.md
@@ -0,0 +1,21 @@
+0.2.0 / 2021-05-31
+==================
+
+  * Use `req.socket` over deprecated `req.connection`
+
+0.1.2 / 2017-09-14
+==================
+
+  * perf: improve header parsing
+  * perf: reduce overhead when no `X-Forwarded-For` header
+
+0.1.1 / 2017-09-10
+==================
+
+  * Fix trimming leading / trailing OWS
+  * perf: hoist regular expression
+
+0.1.0 / 2014-09-21
+==================
+
+  * Initial release
diff --git a/node_modules/forwarded/LICENSE b/node_modules/forwarded/LICENSE
new file mode 100644
index 000000000..84441fbb5
--- /dev/null
+++ b/node_modules/forwarded/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2014-2017 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/forwarded/README.md b/node_modules/forwarded/README.md
new file mode 100644
index 000000000..fdd220bca
--- /dev/null
+++ b/node_modules/forwarded/README.md
@@ -0,0 +1,57 @@
+# forwarded
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][ci-image]][ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Parse HTTP X-Forwarded-For header
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install forwarded
+```
+
+## API
+
+```js
+var forwarded = require('forwarded')
+```
+
+### forwarded(req)
+
+```js
+var addresses = forwarded(req)
+```
+
+Parse the `X-Forwarded-For` header from the request. Returns an array
+of the addresses, including the socket address for the `req`, in reverse
+order (i.e. index `0` is the socket address and the last index is the
+furthest address, typically the end-user).
+
+## Testing
+
+```sh
+$ npm test
+```
+
+## License
+
+[MIT](LICENSE)
+
+[ci-image]: https://badgen.net/github/checks/jshttp/forwarded/master?label=ci
+[ci-url]: https://github.com/jshttp/forwarded/actions?query=workflow%3Aci
+[npm-image]: https://img.shields.io/npm/v/forwarded.svg
+[npm-url]: https://npmjs.org/package/forwarded
+[node-version-image]: https://img.shields.io/node/v/forwarded.svg
+[node-version-url]: https://nodejs.org/en/download/
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/forwarded/master.svg
+[coveralls-url]: https://coveralls.io/r/jshttp/forwarded?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/forwarded.svg
+[downloads-url]: https://npmjs.org/package/forwarded
diff --git a/node_modules/forwarded/index.js b/node_modules/forwarded/index.js
new file mode 100644
index 000000000..b2b6bdd3c
--- /dev/null
+++ b/node_modules/forwarded/index.js
@@ -0,0 +1,90 @@
+/*!
+ * forwarded
+ * Copyright(c) 2014-2017 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = forwarded
+
+/**
+ * Get all addresses in the request, using the `X-Forwarded-For` header.
+ *
+ * @param {object} req
+ * @return {array}
+ * @public
+ */
+
+function forwarded (req) {
+  if (!req) {
+    throw new TypeError('argument req is required')
+  }
+
+  // simple header parsing
+  var proxyAddrs = parse(req.headers['x-forwarded-for'] || '')
+  var socketAddr = getSocketAddr(req)
+  var addrs = [socketAddr].concat(proxyAddrs)
+
+  // return all addresses
+  return addrs
+}
+
+/**
+ * Get the socket address for a request.
+ *
+ * @param {object} req
+ * @return {string}
+ * @private
+ */
+
+function getSocketAddr (req) {
+  return req.socket
+    ? req.socket.remoteAddress
+    : req.connection.remoteAddress
+}
+
+/**
+ * Parse the X-Forwarded-For header.
+ *
+ * @param {string} header
+ * @private
+ */
+
+function parse (header) {
+  var end = header.length
+  var list = []
+  var start = header.length
+
+  // gather addresses, backwards
+  for (var i = header.length - 1; i >= 0; i--) {
+    switch (header.charCodeAt(i)) {
+      case 0x20: /*   */
+        if (start === end) {
+          start = end = i
+        }
+        break
+      case 0x2c: /* , */
+        if (start !== end) {
+          list.push(header.substring(start, end))
+        }
+        start = end = i
+        break
+      default:
+        start = i
+        break
+    }
+  }
+
+  // final address
+  if (start !== end) {
+    list.push(header.substring(start, end))
+  }
+
+  return list
+}
diff --git a/node_modules/forwarded/package.json b/node_modules/forwarded/package.json
new file mode 100644
index 000000000..bf9c7d655
--- /dev/null
+++ b/node_modules/forwarded/package.json
@@ -0,0 +1,45 @@
+{
+  "name": "forwarded",
+  "description": "Parse HTTP X-Forwarded-For header",
+  "version": "0.2.0",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "x-forwarded-for",
+    "http",
+    "req"
+  ],
+  "repository": "jshttp/forwarded",
+  "devDependencies": {
+    "beautify-benchmark": "0.2.4",
+    "benchmark": "2.1.4",
+    "deep-equal": "1.0.1",
+    "eslint": "7.27.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.23.4",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "4.3.1",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "8.4.0",
+    "nyc": "15.1.0"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "bench": "node benchmark/index.js",
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "version": "node scripts/version-history.js && git add HISTORY.md"
+  }
+}
diff --git a/node_modules/fresh/HISTORY.md b/node_modules/fresh/HISTORY.md
new file mode 100644
index 000000000..4586996a3
--- /dev/null
+++ b/node_modules/fresh/HISTORY.md
@@ -0,0 +1,70 @@
+0.5.2 / 2017-09-13
+==================
+
+  * Fix regression matching multiple ETags in `If-None-Match`
+  * perf: improve `If-None-Match` token parsing
+
+0.5.1 / 2017-09-11
+==================
+
+  * Fix handling of modified headers with invalid dates
+  * perf: improve ETag match loop
+
+0.5.0 / 2017-02-21
+==================
+
+  * Fix incorrect result when `If-None-Match` has both `*` and ETags
+  * Fix weak `ETag` matching to match spec
+  * perf: delay reading header values until needed
+  * perf: skip checking modified time if ETag check failed
+  * perf: skip parsing `If-None-Match` when no `ETag` header
+  * perf: use `Date.parse` instead of `new Date`
+
+0.4.0 / 2017-02-05
+==================
+
+  * Fix false detection of `no-cache` request directive
+  * perf: enable strict mode
+  * perf: hoist regular expressions
+  * perf: remove duplicate conditional
+  * perf: remove unnecessary boolean coercions
+
+0.3.0 / 2015-05-12
+==================
+
+  * Add weak `ETag` matching support
+
+0.2.4 / 2014-09-07
+==================
+
+  * Support Node.js 0.6
+
+0.2.3 / 2014-09-07
+==================
+
+  * Move repository to jshttp
+
+0.2.2 / 2014-02-19
+==================
+
+  * Revert "Fix for blank page on Safari reload"
+
+0.2.1 / 2014-01-29
+==================
+
+  * Fix for blank page on Safari reload
+
+0.2.0 / 2013-08-11
+==================
+
+  * Return stale for `Cache-Control: no-cache`
+
+0.1.0 / 2012-06-15
+==================
+
+  * Add `If-None-Match: *` support
+
+0.0.1 / 2012-06-10
+==================
+
+  * Initial release
diff --git a/node_modules/fresh/LICENSE b/node_modules/fresh/LICENSE
new file mode 100644
index 000000000..1434ade75
--- /dev/null
+++ b/node_modules/fresh/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2012 TJ Holowaychuk <tj@vision-media.ca>
+Copyright (c) 2016-2017 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/fresh/README.md b/node_modules/fresh/README.md
new file mode 100644
index 000000000..1c1c680d1
--- /dev/null
+++ b/node_modules/fresh/README.md
@@ -0,0 +1,119 @@
+# fresh
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+HTTP response freshness testing
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```
+$ npm install fresh
+```
+
+## API
+
+<!-- eslint-disable no-unused-vars -->
+
+```js
+var fresh = require('fresh')
+```
+
+### fresh(reqHeaders, resHeaders)
+
+Check freshness of the response using request and response headers.
+
+When the response is still "fresh" in the client's cache `true` is
+returned, otherwise `false` is returned to indicate that the client
+cache is now stale and the full response should be sent.
+
+When a client sends the `Cache-Control: no-cache` request header to
+indicate an end-to-end reload request, this module will return `false`
+to make handling these requests transparent.
+
+## Known Issues
+
+This module is designed to only follow the HTTP specifications, not
+to work-around all kinda of client bugs (especially since this module
+typically does not recieve enough information to understand what the
+client actually is).
+
+There is a known issue that in certain versions of Safari, Safari
+will incorrectly make a request that allows this module to validate
+freshness of the resource even when Safari does not have a
+representation of the resource in the cache. The module
+[jumanji](https://www.npmjs.com/package/jumanji) can be used in
+an Express application to work-around this issue and also provides
+links to further reading on this Safari bug.
+
+## Example
+
+### API usage
+
+<!-- eslint-disable no-redeclare, no-undef -->
+
+```js
+var reqHeaders = { 'if-none-match': '"foo"' }
+var resHeaders = { 'etag': '"bar"' }
+fresh(reqHeaders, resHeaders)
+// => false
+
+var reqHeaders = { 'if-none-match': '"foo"' }
+var resHeaders = { 'etag': '"foo"' }
+fresh(reqHeaders, resHeaders)
+// => true
+```
+
+### Using with Node.js http server
+
+```js
+var fresh = require('fresh')
+var http = require('http')
+
+var server = http.createServer(function (req, res) {
+  // perform server logic
+  // ... including adding ETag / Last-Modified response headers
+
+  if (isFresh(req, res)) {
+    // client has a fresh copy of resource
+    res.statusCode = 304
+    res.end()
+    return
+  }
+
+  // send the resource
+  res.statusCode = 200
+  res.end('hello, world!')
+})
+
+function isFresh (req, res) {
+  return fresh(req.headers, {
+    'etag': res.getHeader('ETag'),
+    'last-modified': res.getHeader('Last-Modified')
+  })
+}
+
+server.listen(3000)
+```
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/fresh.svg
+[npm-url]: https://npmjs.org/package/fresh
+[node-version-image]: https://img.shields.io/node/v/fresh.svg
+[node-version-url]: https://nodejs.org/en/
+[travis-image]: https://img.shields.io/travis/jshttp/fresh/master.svg
+[travis-url]: https://travis-ci.org/jshttp/fresh
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/fresh/master.svg
+[coveralls-url]: https://coveralls.io/r/jshttp/fresh?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/fresh.svg
+[downloads-url]: https://npmjs.org/package/fresh
diff --git a/node_modules/fresh/index.js b/node_modules/fresh/index.js
new file mode 100644
index 000000000..d154f5a7d
--- /dev/null
+++ b/node_modules/fresh/index.js
@@ -0,0 +1,137 @@
+/*!
+ * fresh
+ * Copyright(c) 2012 TJ Holowaychuk
+ * Copyright(c) 2016-2017 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * RegExp to check for no-cache token in Cache-Control.
+ * @private
+ */
+
+var CACHE_CONTROL_NO_CACHE_REGEXP = /(?:^|,)\s*?no-cache\s*?(?:,|$)/
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = fresh
+
+/**
+ * Check freshness of the response using request and response headers.
+ *
+ * @param {Object} reqHeaders
+ * @param {Object} resHeaders
+ * @return {Boolean}
+ * @public
+ */
+
+function fresh (reqHeaders, resHeaders) {
+  // fields
+  var modifiedSince = reqHeaders['if-modified-since']
+  var noneMatch = reqHeaders['if-none-match']
+
+  // unconditional request
+  if (!modifiedSince && !noneMatch) {
+    return false
+  }
+
+  // Always return stale when Cache-Control: no-cache
+  // to support end-to-end reload requests
+  // https://tools.ietf.org/html/rfc2616#section-14.9.4
+  var cacheControl = reqHeaders['cache-control']
+  if (cacheControl && CACHE_CONTROL_NO_CACHE_REGEXP.test(cacheControl)) {
+    return false
+  }
+
+  // if-none-match
+  if (noneMatch && noneMatch !== '*') {
+    var etag = resHeaders['etag']
+
+    if (!etag) {
+      return false
+    }
+
+    var etagStale = true
+    var matches = parseTokenList(noneMatch)
+    for (var i = 0; i < matches.length; i++) {
+      var match = matches[i]
+      if (match === etag || match === 'W/' + etag || 'W/' + match === etag) {
+        etagStale = false
+        break
+      }
+    }
+
+    if (etagStale) {
+      return false
+    }
+  }
+
+  // if-modified-since
+  if (modifiedSince) {
+    var lastModified = resHeaders['last-modified']
+    var modifiedStale = !lastModified || !(parseHttpDate(lastModified) <= parseHttpDate(modifiedSince))
+
+    if (modifiedStale) {
+      return false
+    }
+  }
+
+  return true
+}
+
+/**
+ * Parse an HTTP Date into a number.
+ *
+ * @param {string} date
+ * @private
+ */
+
+function parseHttpDate (date) {
+  var timestamp = date && Date.parse(date)
+
+  // istanbul ignore next: guard against date.js Date.parse patching
+  return typeof timestamp === 'number'
+    ? timestamp
+    : NaN
+}
+
+/**
+ * Parse a HTTP token list.
+ *
+ * @param {string} str
+ * @private
+ */
+
+function parseTokenList (str) {
+  var end = 0
+  var list = []
+  var start = 0
+
+  // gather tokens
+  for (var i = 0, len = str.length; i < len; i++) {
+    switch (str.charCodeAt(i)) {
+      case 0x20: /*   */
+        if (start === end) {
+          start = end = i + 1
+        }
+        break
+      case 0x2c: /* , */
+        list.push(str.substring(start, end))
+        start = end = i + 1
+        break
+      default:
+        end = i + 1
+        break
+    }
+  }
+
+  // final token
+  list.push(str.substring(start, end))
+
+  return list
+}
diff --git a/node_modules/fresh/package.json b/node_modules/fresh/package.json
new file mode 100644
index 000000000..c2fa0f487
--- /dev/null
+++ b/node_modules/fresh/package.json
@@ -0,0 +1,46 @@
+{
+  "name": "fresh",
+  "description": "HTTP response freshness testing",
+  "version": "0.5.2",
+  "author": "TJ Holowaychuk <tj@vision-media.ca> (http://tjholowaychuk.com)",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "fresh",
+    "http",
+    "conditional",
+    "cache"
+  ],
+  "repository": "jshttp/fresh",
+  "devDependencies": {
+    "beautify-benchmark": "0.2.4",
+    "benchmark": "2.1.4",
+    "eslint": "3.19.0",
+    "eslint-config-standard": "10.2.1",
+    "eslint-plugin-import": "2.7.0",
+    "eslint-plugin-markdown": "1.0.0-beta.6",
+    "eslint-plugin-node": "5.1.1",
+    "eslint-plugin-promise": "3.5.0",
+    "eslint-plugin-standard": "3.0.1",
+    "istanbul": "0.4.5",
+    "mocha": "1.21.5"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "bench": "node benchmark/index.js",
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/"
+  }
+}
diff --git a/node_modules/function-bind/.editorconfig b/node_modules/function-bind/.editorconfig
new file mode 100644
index 000000000..ac29adef0
--- /dev/null
+++ b/node_modules/function-bind/.editorconfig
@@ -0,0 +1,20 @@
+root = true
+
+[*]
+indent_style = tab
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 120
+
+[CHANGELOG.md]
+indent_style = space
+indent_size = 2
+
+[*.json]
+max_line_length = off
+
+[Makefile]
+max_line_length = off
diff --git a/node_modules/function-bind/.eslintrc b/node_modules/function-bind/.eslintrc
new file mode 100644
index 000000000..9b33d8edf
--- /dev/null
+++ b/node_modules/function-bind/.eslintrc
@@ -0,0 +1,15 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"func-name-matching": 0,
+		"indent": [2, 4],
+		"max-nested-callbacks": [2, 3],
+		"max-params": [2, 3],
+		"max-statements": [2, 20],
+		"no-new-func": [1],
+		"strict": [0]
+	}
+}
diff --git a/node_modules/function-bind/.jscs.json b/node_modules/function-bind/.jscs.json
new file mode 100644
index 000000000..8c4479480
--- /dev/null
+++ b/node_modules/function-bind/.jscs.json
@@ -0,0 +1,176 @@
+{
+	"es3": true,
+
+	"additionalRules": [],
+
+	"requireSemicolons": true,
+
+	"disallowMultipleSpaces": true,
+
+	"disallowIdentifierNames": [],
+
+	"requireCurlyBraces": {
+		"allExcept": [],
+		"keywords": ["if", "else", "for", "while", "do", "try", "catch"]
+	},
+
+	"requireSpaceAfterKeywords": ["if", "else", "for", "while", "do", "switch", "return", "try", "catch", "function"],
+
+	"disallowSpaceAfterKeywords": [],
+
+	"disallowSpaceBeforeComma": true,
+	"disallowSpaceAfterComma": false,
+	"disallowSpaceBeforeSemicolon": true,
+
+	"disallowNodeTypes": [
+		"DebuggerStatement",
+		"ForInStatement",
+		"LabeledStatement",
+		"SwitchCase",
+		"SwitchStatement",
+		"WithStatement"
+	],
+
+	"requireObjectKeysOnNewLine": { "allExcept": ["sameLine"] },
+
+	"requireSpacesInAnonymousFunctionExpression": { "beforeOpeningRoundBrace": true, "beforeOpeningCurlyBrace": true },
+	"requireSpacesInNamedFunctionExpression": { "beforeOpeningCurlyBrace": true },
+	"disallowSpacesInNamedFunctionExpression": { "beforeOpeningRoundBrace": true },
+	"requireSpacesInFunctionDeclaration": { "beforeOpeningCurlyBrace": true },
+	"disallowSpacesInFunctionDeclaration": { "beforeOpeningRoundBrace": true },
+
+	"requireSpaceBetweenArguments": true,
+
+	"disallowSpacesInsideParentheses": true,
+
+	"disallowSpacesInsideArrayBrackets": true,
+
+	"disallowQuotedKeysInObjects": { "allExcept": ["reserved"] },
+
+	"disallowSpaceAfterObjectKeys": true,
+
+	"requireCommaBeforeLineBreak": true,
+
+	"disallowSpaceAfterPrefixUnaryOperators": ["++", "--", "+", "-", "~", "!"],
+	"requireSpaceAfterPrefixUnaryOperators": [],
+
+	"disallowSpaceBeforePostfixUnaryOperators": ["++", "--"],
+	"requireSpaceBeforePostfixUnaryOperators": [],
+
+	"disallowSpaceBeforeBinaryOperators": [],
+	"requireSpaceBeforeBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
+
+	"requireSpaceAfterBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
+	"disallowSpaceAfterBinaryOperators": [],
+
+	"disallowImplicitTypeConversion": ["binary", "string"],
+
+	"disallowKeywords": ["with", "eval"],
+
+	"requireKeywordsOnNewLine": [],
+	"disallowKeywordsOnNewLine": ["else"],
+
+	"requireLineFeedAtFileEnd": true,
+
+	"disallowTrailingWhitespace": true,
+
+	"disallowTrailingComma": true,
+
+	"excludeFiles": ["node_modules/**", "vendor/**"],
+
+	"disallowMultipleLineStrings": true,
+
+	"requireDotNotation": { "allExcept": ["keywords"] },
+
+	"requireParenthesesAroundIIFE": true,
+
+	"validateLineBreaks": "LF",
+
+	"validateQuoteMarks": {
+		"escape": true,
+		"mark": "'"
+	},
+
+	"disallowOperatorBeforeLineBreak": [],
+
+	"requireSpaceBeforeKeywords": [
+		"do",
+		"for",
+		"if",
+		"else",
+		"switch",
+		"case",
+		"try",
+		"catch",
+		"finally",
+		"while",
+		"with",
+		"return"
+	],
+
+	"validateAlignedFunctionParameters": {
+		"lineBreakAfterOpeningBraces": true,
+		"lineBreakBeforeClosingBraces": true
+	},
+
+	"requirePaddingNewLinesBeforeExport": true,
+
+	"validateNewlineAfterArrayElements": {
+		"maximum": 8
+	},
+
+	"requirePaddingNewLinesAfterUseStrict": true,
+
+	"disallowArrowFunctions": true,
+
+	"disallowMultiLineTernary": true,
+
+	"validateOrderInObjectKeys": "asc-insensitive",
+
+	"disallowIdenticalDestructuringNames": true,
+
+	"disallowNestedTernaries": { "maxLevel": 1 },
+
+	"requireSpaceAfterComma": { "allExcept": ["trailing"] },
+	"requireAlignedMultilineParams": false,
+
+	"requireSpacesInGenerator": {
+		"afterStar": true
+	},
+
+	"disallowSpacesInGenerator": {
+		"beforeStar": true
+	},
+
+	"disallowVar": false,
+
+	"requireArrayDestructuring": false,
+
+	"requireEnhancedObjectLiterals": false,
+
+	"requireObjectDestructuring": false,
+
+	"requireEarlyReturn": false,
+
+	"requireCapitalizedConstructorsNew": {
+		"allExcept": ["Function", "String", "Object", "Symbol", "Number", "Date", "RegExp", "Error", "Boolean", "Array"]
+	},
+
+	"requireImportAlphabetized": false,
+
+    "requireSpaceBeforeObjectValues": true,
+    "requireSpaceBeforeDestructuredValues": true,
+
+	"disallowSpacesInsideTemplateStringPlaceholders": true,
+
+    "disallowArrayDestructuringReturn": false,
+
+    "requireNewlineBeforeSingleStatementsInIf": false,
+
+	"disallowUnusedVariables": true,
+
+	"requireSpacesInsideImportedObjectBraces": true,
+
+	"requireUseStrict": true
+}
+
diff --git a/node_modules/function-bind/.npmignore b/node_modules/function-bind/.npmignore
new file mode 100644
index 000000000..dbb555fd1
--- /dev/null
+++ b/node_modules/function-bind/.npmignore
@@ -0,0 +1,22 @@
+# gitignore
+.DS_Store
+.monitor
+.*.swp
+.nodemonignore
+releases
+*.log
+*.err
+fleet.json
+public/browserify
+bin/*.json
+.bin
+build
+compile
+.lock-wscript
+coverage
+node_modules
+
+# Only apps should have lockfiles
+npm-shrinkwrap.json
+package-lock.json
+yarn.lock
diff --git a/node_modules/function-bind/.travis.yml b/node_modules/function-bind/.travis.yml
new file mode 100644
index 000000000..85f70d246
--- /dev/null
+++ b/node_modules/function-bind/.travis.yml
@@ -0,0 +1,168 @@
+language: node_js
+os:
+ - linux
+node_js:
+  - "8.4"
+  - "7.10"
+  - "6.11"
+  - "5.12"
+  - "4.8"
+  - "iojs-v3.3"
+  - "iojs-v2.5"
+  - "iojs-v1.8"
+  - "0.12"
+  - "0.10"
+  - "0.8"
+before_install:
+  - 'if [ "${TRAVIS_NODE_VERSION}" = "0.6" ]; then npm install -g npm@1.3 ; elif [ "${TRAVIS_NODE_VERSION}" != "0.9" ]; then case "$(npm --version)" in 1.*) npm install -g npm@1.4.28 ;; 2.*) npm install -g npm@2 ;; esac ; fi'
+  - 'if [ "${TRAVIS_NODE_VERSION}" != "0.6" ] && [ "${TRAVIS_NODE_VERSION}" != "0.9" ]; then if [ "${TRAVIS_NODE_VERSION%${TRAVIS_NODE_VERSION#[0-9]}}" = "0" ] || [ "${TRAVIS_NODE_VERSION:0:4}" = "iojs" ]; then npm install -g npm@4.5 ; else npm install -g npm; fi; fi'
+install:
+  - 'if [ "${TRAVIS_NODE_VERSION}" = "0.6" ]; then nvm install 0.8 && npm install -g npm@1.3 && npm install -g npm@1.4.28 && npm install -g npm@2 && npm install && nvm use "${TRAVIS_NODE_VERSION}"; else npm install; fi;'
+script:
+  - 'if [ -n "${PRETEST-}" ]; then npm run pretest ; fi'
+  - 'if [ -n "${POSTTEST-}" ]; then npm run posttest ; fi'
+  - 'if [ -n "${COVERAGE-}" ]; then npm run coverage ; fi'
+  - 'if [ -n "${TEST-}" ]; then npm run tests-only ; fi'
+sudo: false
+env:
+  - TEST=true
+matrix:
+  fast_finish: true
+  include:
+    - node_js: "node"
+      env: PRETEST=true
+    - node_js: "4"
+      env: COVERAGE=true
+    - node_js: "8.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "8.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "7.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.10"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "6.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.11"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.10"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.8"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "5.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "4.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v3.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v3.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v3.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v2.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.7"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.5"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.4"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.3"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.2"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.1"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "iojs-v1.0"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "0.11"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "0.9"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "0.6"
+      env: TEST=true ALLOW_FAILURE=true
+    - node_js: "0.4"
+      env: TEST=true ALLOW_FAILURE=true
+  allow_failures:
+    - os: osx
+    - env: TEST=true ALLOW_FAILURE=true
diff --git a/node_modules/function-bind/LICENSE b/node_modules/function-bind/LICENSE
new file mode 100644
index 000000000..62d6d237f
--- /dev/null
+++ b/node_modules/function-bind/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) 2013 Raynos.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
diff --git a/node_modules/function-bind/README.md b/node_modules/function-bind/README.md
new file mode 100644
index 000000000..81862a02c
--- /dev/null
+++ b/node_modules/function-bind/README.md
@@ -0,0 +1,48 @@
+# function-bind
+
+<!--
+    [![build status][travis-svg]][travis-url]
+    [![NPM version][npm-badge-svg]][npm-url]
+    [![Coverage Status][5]][6]
+    [![gemnasium Dependency Status][7]][8]
+    [![Dependency status][deps-svg]][deps-url]
+    [![Dev Dependency status][dev-deps-svg]][dev-deps-url]
+-->
+
+<!-- [![browser support][11]][12] -->
+
+Implementation of function.prototype.bind
+
+## Example
+
+I mainly do this for unit tests I run on phantomjs.
+PhantomJS does not have Function.prototype.bind :(
+
+```js
+Function.prototype.bind = require("function-bind")
+```
+
+## Installation
+
+`npm install function-bind`
+
+## Contributors
+
+ - Raynos
+
+## MIT Licenced
+
+  [travis-svg]: https://travis-ci.org/Raynos/function-bind.svg
+  [travis-url]: https://travis-ci.org/Raynos/function-bind
+  [npm-badge-svg]: https://badge.fury.io/js/function-bind.svg
+  [npm-url]: https://npmjs.org/package/function-bind
+  [5]: https://coveralls.io/repos/Raynos/function-bind/badge.png
+  [6]: https://coveralls.io/r/Raynos/function-bind
+  [7]: https://gemnasium.com/Raynos/function-bind.png
+  [8]: https://gemnasium.com/Raynos/function-bind
+  [deps-svg]: https://david-dm.org/Raynos/function-bind.svg
+  [deps-url]: https://david-dm.org/Raynos/function-bind
+  [dev-deps-svg]: https://david-dm.org/Raynos/function-bind/dev-status.svg
+  [dev-deps-url]: https://david-dm.org/Raynos/function-bind#info=devDependencies
+  [11]: https://ci.testling.com/Raynos/function-bind.png
+  [12]: https://ci.testling.com/Raynos/function-bind
diff --git a/node_modules/function-bind/implementation.js b/node_modules/function-bind/implementation.js
new file mode 100644
index 000000000..cc4daec1b
--- /dev/null
+++ b/node_modules/function-bind/implementation.js
@@ -0,0 +1,52 @@
+'use strict';
+
+/* eslint no-invalid-this: 1 */
+
+var ERROR_MESSAGE = 'Function.prototype.bind called on incompatible ';
+var slice = Array.prototype.slice;
+var toStr = Object.prototype.toString;
+var funcType = '[object Function]';
+
+module.exports = function bind(that) {
+    var target = this;
+    if (typeof target !== 'function' || toStr.call(target) !== funcType) {
+        throw new TypeError(ERROR_MESSAGE + target);
+    }
+    var args = slice.call(arguments, 1);
+
+    var bound;
+    var binder = function () {
+        if (this instanceof bound) {
+            var result = target.apply(
+                this,
+                args.concat(slice.call(arguments))
+            );
+            if (Object(result) === result) {
+                return result;
+            }
+            return this;
+        } else {
+            return target.apply(
+                that,
+                args.concat(slice.call(arguments))
+            );
+        }
+    };
+
+    var boundLength = Math.max(0, target.length - args.length);
+    var boundArgs = [];
+    for (var i = 0; i < boundLength; i++) {
+        boundArgs.push('$' + i);
+    }
+
+    bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this,arguments); }')(binder);
+
+    if (target.prototype) {
+        var Empty = function Empty() {};
+        Empty.prototype = target.prototype;
+        bound.prototype = new Empty();
+        Empty.prototype = null;
+    }
+
+    return bound;
+};
diff --git a/node_modules/function-bind/index.js b/node_modules/function-bind/index.js
new file mode 100644
index 000000000..3bb6b9609
--- /dev/null
+++ b/node_modules/function-bind/index.js
@@ -0,0 +1,5 @@
+'use strict';
+
+var implementation = require('./implementation');
+
+module.exports = Function.prototype.bind || implementation;
diff --git a/node_modules/function-bind/package.json b/node_modules/function-bind/package.json
new file mode 100644
index 000000000..20a1727cb
--- /dev/null
+++ b/node_modules/function-bind/package.json
@@ -0,0 +1,63 @@
+{
+  "name": "function-bind",
+  "version": "1.1.1",
+  "description": "Implementation of Function.prototype.bind",
+  "keywords": [
+    "function",
+    "bind",
+    "shim",
+    "es5"
+  ],
+  "author": "Raynos <raynos2@gmail.com>",
+  "repository": "git://github.com/Raynos/function-bind.git",
+  "main": "index",
+  "homepage": "https://github.com/Raynos/function-bind",
+  "contributors": [
+    {
+      "name": "Raynos"
+    },
+    {
+      "name": "Jordan Harband",
+      "url": "https://github.com/ljharb"
+    }
+  ],
+  "bugs": {
+    "url": "https://github.com/Raynos/function-bind/issues",
+    "email": "raynos2@gmail.com"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "@ljharb/eslint-config": "^12.2.1",
+    "covert": "^1.1.0",
+    "eslint": "^4.5.0",
+    "jscs": "^3.0.7",
+    "tape": "^4.8.0"
+  },
+  "license": "MIT",
+  "scripts": {
+    "pretest": "npm run lint",
+    "test": "npm run tests-only",
+    "posttest": "npm run coverage -- --quiet",
+    "tests-only": "node test",
+    "coverage": "covert test/*.js",
+    "lint": "npm run jscs && npm run eslint",
+    "jscs": "jscs *.js */*.js",
+    "eslint": "eslint *.js */*.js"
+  },
+  "testling": {
+    "files": "test/index.js",
+    "browsers": [
+      "ie/8..latest",
+      "firefox/16..latest",
+      "firefox/nightly",
+      "chrome/22..latest",
+      "chrome/canary",
+      "opera/12..latest",
+      "opera/next",
+      "safari/5.1..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2..latest"
+    ]
+  }
+}
diff --git a/node_modules/function-bind/test/.eslintrc b/node_modules/function-bind/test/.eslintrc
new file mode 100644
index 000000000..8a56d5b72
--- /dev/null
+++ b/node_modules/function-bind/test/.eslintrc
@@ -0,0 +1,9 @@
+{
+	"rules": {
+		"array-bracket-newline": 0,
+		"array-element-newline": 0,
+		"max-statements-per-line": [2, { "max": 2 }],
+		"no-invalid-this": 0,
+		"no-magic-numbers": 0,
+	}
+}
diff --git a/node_modules/function-bind/test/index.js b/node_modules/function-bind/test/index.js
new file mode 100644
index 000000000..2edecce2f
--- /dev/null
+++ b/node_modules/function-bind/test/index.js
@@ -0,0 +1,252 @@
+// jscs:disable requireUseStrict
+
+var test = require('tape');
+
+var functionBind = require('../implementation');
+var getCurrentContext = function () { return this; };
+
+test('functionBind is a function', function (t) {
+    t.equal(typeof functionBind, 'function');
+    t.end();
+});
+
+test('non-functions', function (t) {
+    var nonFunctions = [true, false, [], {}, 42, 'foo', NaN, /a/g];
+    t.plan(nonFunctions.length);
+    for (var i = 0; i < nonFunctions.length; ++i) {
+        try { functionBind.call(nonFunctions[i]); } catch (ex) {
+            t.ok(ex instanceof TypeError, 'throws when given ' + String(nonFunctions[i]));
+        }
+    }
+    t.end();
+});
+
+test('without a context', function (t) {
+    t.test('binds properly', function (st) {
+        var args, context;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                context = this;
+            })
+        };
+        namespace.func(1, 2, 3);
+        st.deepEqual(args, [1, 2, 3]);
+        st.equal(context, getCurrentContext.call());
+        st.end();
+    });
+
+    t.test('binds properly, and still supplies bound arguments', function (st) {
+        var args, context;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                context = this;
+            }, undefined, 1, 2, 3)
+        };
+        namespace.func(4, 5, 6);
+        st.deepEqual(args, [1, 2, 3, 4, 5, 6]);
+        st.equal(context, getCurrentContext.call());
+        st.end();
+    });
+
+    t.test('returns properly', function (st) {
+        var args;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                return this;
+            }, null)
+        };
+        var context = namespace.func(1, 2, 3);
+        st.equal(context, getCurrentContext.call(), 'returned context is namespaced context');
+        st.deepEqual(args, [1, 2, 3], 'passed arguments are correct');
+        st.end();
+    });
+
+    t.test('returns properly with bound arguments', function (st) {
+        var args;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                return this;
+            }, null, 1, 2, 3)
+        };
+        var context = namespace.func(4, 5, 6);
+        st.equal(context, getCurrentContext.call(), 'returned context is namespaced context');
+        st.deepEqual(args, [1, 2, 3, 4, 5, 6], 'passed arguments are correct');
+        st.end();
+    });
+
+    t.test('called as a constructor', function (st) {
+        var thunkify = function (value) {
+            return function () { return value; };
+        };
+        st.test('returns object value', function (sst) {
+            var expectedReturnValue = [1, 2, 3];
+            var Constructor = functionBind.call(thunkify(expectedReturnValue), null);
+            var result = new Constructor();
+            sst.equal(result, expectedReturnValue);
+            sst.end();
+        });
+
+        st.test('does not return primitive value', function (sst) {
+            var Constructor = functionBind.call(thunkify(42), null);
+            var result = new Constructor();
+            sst.notEqual(result, 42);
+            sst.end();
+        });
+
+        st.test('object from bound constructor is instance of original and bound constructor', function (sst) {
+            var A = function (x) {
+                this.name = x || 'A';
+            };
+            var B = functionBind.call(A, null, 'B');
+
+            var result = new B();
+            sst.ok(result instanceof B, 'result is instance of bound constructor');
+            sst.ok(result instanceof A, 'result is instance of original constructor');
+            sst.end();
+        });
+
+        st.end();
+    });
+
+    t.end();
+});
+
+test('with a context', function (t) {
+    t.test('with no bound arguments', function (st) {
+        var args, context;
+        var boundContext = {};
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                context = this;
+            }, boundContext)
+        };
+        namespace.func(1, 2, 3);
+        st.equal(context, boundContext, 'binds a context properly');
+        st.deepEqual(args, [1, 2, 3], 'supplies passed arguments');
+        st.end();
+    });
+
+    t.test('with bound arguments', function (st) {
+        var args, context;
+        var boundContext = {};
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                context = this;
+            }, boundContext, 1, 2, 3)
+        };
+        namespace.func(4, 5, 6);
+        st.equal(context, boundContext, 'binds a context properly');
+        st.deepEqual(args, [1, 2, 3, 4, 5, 6], 'supplies bound and passed arguments');
+        st.end();
+    });
+
+    t.test('returns properly', function (st) {
+        var boundContext = {};
+        var args;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                return this;
+            }, boundContext)
+        };
+        var context = namespace.func(1, 2, 3);
+        st.equal(context, boundContext, 'returned context is bound context');
+        st.notEqual(context, getCurrentContext.call(), 'returned context is not lexical context');
+        st.deepEqual(args, [1, 2, 3], 'passed arguments are correct');
+        st.end();
+    });
+
+    t.test('returns properly with bound arguments', function (st) {
+        var boundContext = {};
+        var args;
+        var namespace = {
+            func: functionBind.call(function () {
+                args = Array.prototype.slice.call(arguments);
+                return this;
+            }, boundContext, 1, 2, 3)
+        };
+        var context = namespace.func(4, 5, 6);
+        st.equal(context, boundContext, 'returned context is bound context');
+        st.notEqual(context, getCurrentContext.call(), 'returned context is not lexical context');
+        st.deepEqual(args, [1, 2, 3, 4, 5, 6], 'passed arguments are correct');
+        st.end();
+    });
+
+    t.test('passes the correct arguments when called as a constructor', function (st) {
+        var expected = { name: 'Correct' };
+        var namespace = {
+            Func: functionBind.call(function (arg) {
+                return arg;
+            }, { name: 'Incorrect' })
+        };
+        var returned = new namespace.Func(expected);
+        st.equal(returned, expected, 'returns the right arg when called as a constructor');
+        st.end();
+    });
+
+    t.test('has the new instance\'s context when called as a constructor', function (st) {
+        var actualContext;
+        var expectedContext = { foo: 'bar' };
+        var namespace = {
+            Func: functionBind.call(function () {
+                actualContext = this;
+            }, expectedContext)
+        };
+        var result = new namespace.Func();
+        st.equal(result instanceof namespace.Func, true);
+        st.notEqual(actualContext, expectedContext);
+        st.end();
+    });
+
+    t.end();
+});
+
+test('bound function length', function (t) {
+    t.test('sets a correct length without thisArg', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; });
+        st.equal(subject.length, 3);
+        st.equal(subject(1, 2, 3), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length with thisArg', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, {});
+        st.equal(subject.length, 3);
+        st.equal(subject(1, 2, 3), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length without thisArg and first argument', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, undefined, 1);
+        st.equal(subject.length, 2);
+        st.equal(subject(2, 3), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length with thisArg and first argument', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, {}, 1);
+        st.equal(subject.length, 2);
+        st.equal(subject(2, 3), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length without thisArg and too many arguments', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, undefined, 1, 2, 3, 4);
+        st.equal(subject.length, 0);
+        st.equal(subject(), 6);
+        st.end();
+    });
+
+    t.test('sets a correct length with thisArg and too many arguments', function (st) {
+        var subject = functionBind.call(function (a, b, c) { return a + b + c; }, {}, 1, 2, 3, 4);
+        st.equal(subject.length, 0);
+        st.equal(subject(), 6);
+        st.end();
+    });
+});
diff --git a/node_modules/get-intrinsic/.eslintrc b/node_modules/get-intrinsic/.eslintrc
new file mode 100644
index 000000000..0ab0876eb
--- /dev/null
+++ b/node_modules/get-intrinsic/.eslintrc
@@ -0,0 +1,37 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"env": {
+		"es6": true,
+		"es2017": true,
+		"es2020": true,
+		"es2021": true,
+		"es2022": true,
+	},
+
+	"rules": {
+		"array-bracket-newline": 0,
+		"complexity": 0,
+		"eqeqeq": [2, "allow-null"],
+		"func-name-matching": 0,
+		"id-length": 0,
+		"max-lines-per-function": [2, 90],
+		"max-params": [2, 4],
+		"max-statements": 0,
+		"max-statements-per-line": [2, { "max": 2 }],
+		"multiline-comment-style": 0,
+		"no-magic-numbers": 0,
+		"sort-keys": 0,
+	},
+
+	"overrides": [
+		{
+			"files": "test/**",
+			"rules": {
+				"new-cap": 0,
+			},
+		},
+	],
+}
diff --git a/node_modules/get-intrinsic/.github/FUNDING.yml b/node_modules/get-intrinsic/.github/FUNDING.yml
new file mode 100644
index 000000000..8e8da0dda
--- /dev/null
+++ b/node_modules/get-intrinsic/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/get-intrinsic
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/get-intrinsic/.nycrc b/node_modules/get-intrinsic/.nycrc
new file mode 100644
index 000000000..bdd626ce9
--- /dev/null
+++ b/node_modules/get-intrinsic/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/get-intrinsic/CHANGELOG.md b/node_modules/get-intrinsic/CHANGELOG.md
new file mode 100644
index 000000000..1bb52d384
--- /dev/null
+++ b/node_modules/get-intrinsic/CHANGELOG.md
@@ -0,0 +1,98 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.1.3](https://github.com/ljharb/get-intrinsic/compare/v1.1.2...v1.1.3) - 2022-09-12
+
+### Commits
+
+- [Dev Deps] update `es-abstract`, `es-value-fixtures`, `tape` [`07ff291`](https://github.com/ljharb/get-intrinsic/commit/07ff291816406ebe5a12d7f16965bde0942dd688)
+- [Fix] properly check for % signs [`50ac176`](https://github.com/ljharb/get-intrinsic/commit/50ac1760fe99c227e64eabde76e9c0e44cd881b5)
+
+## [v1.1.2](https://github.com/ljharb/get-intrinsic/compare/v1.1.1...v1.1.2) - 2022-06-08
+
+### Fixed
+
+- [Fix] properly validate against extra % signs [`#16`](https://github.com/ljharb/get-intrinsic/issues/16)
+
+### Commits
+
+- [actions] reuse common workflows [`0972547`](https://github.com/ljharb/get-intrinsic/commit/0972547efd0abc863fe4c445a6ca7eb4f8c6901d)
+- [meta] use `npmignore` to autogenerate an npmignore file [`5ba0b51`](https://github.com/ljharb/get-intrinsic/commit/5ba0b51d8d8d4f1c31d426d74abc0770fd106bad)
+- [actions] use `node/install` instead of `node/run`; use `codecov` action [`c364492`](https://github.com/ljharb/get-intrinsic/commit/c364492af4af51333e6f81c0bf21fd3d602c3661)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `es-abstract`, `object-inspect`, `tape` [`dc04dad`](https://github.com/ljharb/get-intrinsic/commit/dc04dad86f6e5608775a2640cb0db5927ae29ed9)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `es-abstract`, `object-inspect`, `safe-publish-latest`, `tape` [`1c14059`](https://github.com/ljharb/get-intrinsic/commit/1c1405984e86dd2dc9366c15d8a0294a96a146a5)
+- [Tests] use `mock-property` [`b396ef0`](https://github.com/ljharb/get-intrinsic/commit/b396ef05bb73b1d699811abd64b0d9b97997fdda)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `object-inspect`, `tape` [`c2c758d`](https://github.com/ljharb/get-intrinsic/commit/c2c758d3b90af4fef0a76910d8d3c292ec8d1d3e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `es-abstract`, `es-value-fixtures`, `object-inspect`, `tape` [`29e3c09`](https://github.com/ljharb/get-intrinsic/commit/29e3c091c2bf3e17099969847e8729d0e46896de)
+- [actions] update codecov uploader [`8cbc141`](https://github.com/ljharb/get-intrinsic/commit/8cbc1418940d7a8941f3a7985cbc4ac095c5e13d)
+- [Dev Deps] update `@ljharb/eslint-config`, `es-abstract`, `es-value-fixtures`, `object-inspect`, `tape` [`10b6f5c`](https://github.com/ljharb/get-intrinsic/commit/10b6f5c02593fb3680c581d696ac124e30652932)
+- [readme] add github actions/codecov badges [`4e25400`](https://github.com/ljharb/get-intrinsic/commit/4e25400d9f51ae9eb059cbe22d9144e70ea214e8)
+- [Tests] use `for-each` instead of `foreach` [`c05b957`](https://github.com/ljharb/get-intrinsic/commit/c05b957ad9a7bc7721af7cc9e9be1edbfe057496)
+- [Dev Deps] update `es-abstract` [`29b05ae`](https://github.com/ljharb/get-intrinsic/commit/29b05aec3e7330e9ad0b8e0f685a9112c20cdd97)
+- [meta] use `prepublishOnly` script for npm 7+ [`95c285d`](https://github.com/ljharb/get-intrinsic/commit/95c285da810516057d3bbfa871176031af38f05d)
+- [Deps] update `has-symbols` [`593cb4f`](https://github.com/ljharb/get-intrinsic/commit/593cb4fb38e7922e40e42c183f45274b636424cd)
+- [readme] fix repo URLs [`1c8305b`](https://github.com/ljharb/get-intrinsic/commit/1c8305b5365827c9b6fc785434aac0e1328ff2f5)
+- [Deps] update `has-symbols` [`c7138b6`](https://github.com/ljharb/get-intrinsic/commit/c7138b6c6d73132d859471fb8c13304e1e7c8b20)
+- [Dev Deps] remove unused `has-bigints` [`bd63aff`](https://github.com/ljharb/get-intrinsic/commit/bd63aff6ad8f3a986c557fcda2914187bdaab359)
+
+## [v1.1.1](https://github.com/ljharb/get-intrinsic/compare/v1.1.0...v1.1.1) - 2021-02-03
+
+### Fixed
+
+- [meta] export `./package.json` [`#9`](https://github.com/ljharb/get-intrinsic/issues/9)
+
+### Commits
+
+- [readme] flesh out the readme; use `evalmd` [`d12f12c`](https://github.com/ljharb/get-intrinsic/commit/d12f12c15345a0a0772cc65a7c64369529abd614)
+- [eslint] set up proper globals config [`5a8c098`](https://github.com/ljharb/get-intrinsic/commit/5a8c0984e3319d1ac0e64b102f8ec18b64e79f36)
+- [Dev Deps] update `eslint` [`7b9a5c0`](https://github.com/ljharb/get-intrinsic/commit/7b9a5c0d31a90ca1a1234181c74988fb046701cd)
+
+## [v1.1.0](https://github.com/ljharb/get-intrinsic/compare/v1.0.2...v1.1.0) - 2021-01-25
+
+### Fixed
+
+- [Refactor] delay `Function` eval until syntax-derived values are requested [`#3`](https://github.com/ljharb/get-intrinsic/issues/3)
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`2ab762b`](https://github.com/ljharb/get-intrinsic/commit/2ab762b48164aea8af37a40ba105bbc8246ab8c4)
+- [meta] do not publish github action workflow files [`5e7108e`](https://github.com/ljharb/get-intrinsic/commit/5e7108e4768b244d48d9567ba4f8a6cab9c65b8e)
+- [Tests] add some coverage [`01ac7a8`](https://github.com/ljharb/get-intrinsic/commit/01ac7a87ac29738567e8524cd8c9e026b1fa8cb3)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `call-bind`, `es-abstract`, `tape`; add `call-bind` [`911b672`](https://github.com/ljharb/get-intrinsic/commit/911b672fbffae433a96924c6ce013585e425f4b7)
+- [Refactor] rearrange evalled constructors a bit [`7e7e4bf`](https://github.com/ljharb/get-intrinsic/commit/7e7e4bf583f3799c8ac1c6c5e10d2cb553957347)
+- [meta] add Automatic Rebase and Require Allow Edits workflows [`0199968`](https://github.com/ljharb/get-intrinsic/commit/01999687a263ffce0a3cb011dfbcb761754aedbc)
+
+## [v1.0.2](https://github.com/ljharb/get-intrinsic/compare/v1.0.1...v1.0.2) - 2020-12-17
+
+### Commits
+
+- [Fix] Throw for non‑existent intrinsics [`68f873b`](https://github.com/ljharb/get-intrinsic/commit/68f873b013c732a05ad6f5fc54f697e55515461b)
+- [Fix] Throw for non‑existent segments in the intrinsic path [`8325dee`](https://github.com/ljharb/get-intrinsic/commit/8325deee43128f3654d3399aa9591741ebe17b21)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `has-bigints`, `object-inspect` [`0c227a7`](https://github.com/ljharb/get-intrinsic/commit/0c227a7d8b629166f25715fd242553892e458525)
+- [meta] do not lint coverage output [`70d2419`](https://github.com/ljharb/get-intrinsic/commit/70d24199b620043cd9110fc5f426d214ebe21dc9)
+
+## [v1.0.1](https://github.com/ljharb/get-intrinsic/compare/v1.0.0...v1.0.1) - 2020-10-30
+
+### Commits
+
+- [Tests] gather coverage data on every job [`d1d280d`](https://github.com/ljharb/get-intrinsic/commit/d1d280dec714e3f0519cc877dbcb193057d9cac6)
+- [Fix] add missing dependencies [`5031771`](https://github.com/ljharb/get-intrinsic/commit/5031771bb1095b38be88ce7c41d5de88718e432e)
+- [Tests] use `es-value-fixtures` [`af48765`](https://github.com/ljharb/get-intrinsic/commit/af48765a23c5323fb0b6b38dbf00eb5099c7bebc)
+
+## v1.0.0 - 2020-10-29
+
+### Commits
+
+- Implementation [`bbce57c`](https://github.com/ljharb/get-intrinsic/commit/bbce57c6f33d05b2d8d3efa273ceeb3ee01127bb)
+- Tests [`17b4f0d`](https://github.com/ljharb/get-intrinsic/commit/17b4f0d56dea6b4059b56fc30ef3ee4d9500ebc2)
+- Initial commit [`3153294`](https://github.com/ljharb/get-intrinsic/commit/31532948de363b0a27dd9fd4649e7b7028ec4b44)
+- npm init [`fb326c4`](https://github.com/ljharb/get-intrinsic/commit/fb326c4d2817c8419ec31de1295f06bb268a7902)
+- [meta] add Automatic Rebase and Require Allow Edits workflows [`48862fb`](https://github.com/ljharb/get-intrinsic/commit/48862fb2508c8f6a57968e6d08b7c883afc9d550)
+- [meta] add `auto-changelog` [`5f28ad0`](https://github.com/ljharb/get-intrinsic/commit/5f28ad019e060a353d8028f9f2591a9cc93074a1)
+- [meta] add "funding"; create `FUNDING.yml` [`c2bbdde`](https://github.com/ljharb/get-intrinsic/commit/c2bbddeba73a875be61484ee4680b129a6d4e0a1)
+- [Tests] add `npm run lint` [`0a84b98`](https://github.com/ljharb/get-intrinsic/commit/0a84b98b22b7cf7a748666f705b0003a493c35fd)
+- Only apps should have lockfiles [`9586c75`](https://github.com/ljharb/get-intrinsic/commit/9586c75866c1ee678e4d5d4dbbdef6997e511b05)
diff --git a/node_modules/get-intrinsic/LICENSE b/node_modules/get-intrinsic/LICENSE
new file mode 100644
index 000000000..48f05d01d
--- /dev/null
+++ b/node_modules/get-intrinsic/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/get-intrinsic/README.md b/node_modules/get-intrinsic/README.md
new file mode 100644
index 000000000..3aa0bba40
--- /dev/null
+++ b/node_modules/get-intrinsic/README.md
@@ -0,0 +1,71 @@
+# get-intrinsic <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+Get and robustly cache all JS language-level intrinsics at first require time.
+
+See the syntax described [in the JS spec](https://tc39.es/ecma262/#sec-well-known-intrinsic-objects) for reference.
+
+## Example
+
+```js
+var GetIntrinsic = require('get-intrinsic');
+var assert = require('assert');
+
+// static methods
+assert.equal(GetIntrinsic('%Math.pow%'), Math.pow);
+assert.equal(Math.pow(2, 3), 8);
+assert.equal(GetIntrinsic('%Math.pow%')(2, 3), 8);
+delete Math.pow;
+assert.equal(GetIntrinsic('%Math.pow%')(2, 3), 8);
+
+// instance methods
+var arr = [1];
+assert.equal(GetIntrinsic('%Array.prototype.push%'), Array.prototype.push);
+assert.deepEqual(arr, [1]);
+
+arr.push(2);
+assert.deepEqual(arr, [1, 2]);
+
+GetIntrinsic('%Array.prototype.push%').call(arr, 3);
+assert.deepEqual(arr, [1, 2, 3]);
+
+delete Array.prototype.push;
+GetIntrinsic('%Array.prototype.push%').call(arr, 4);
+assert.deepEqual(arr, [1, 2, 3, 4]);
+
+// missing features
+delete JSON.parse; // to simulate a real intrinsic that is missing in the environment
+assert.throws(() => GetIntrinsic('%JSON.parse%'));
+assert.equal(undefined, GetIntrinsic('%JSON.parse%', true));
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+## Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
+
+[package-url]: https://npmjs.org/package/get-intrinsic
+[npm-version-svg]: https://versionbadg.es/ljharb/get-intrinsic.svg
+[deps-svg]: https://david-dm.org/ljharb/get-intrinsic.svg
+[deps-url]: https://david-dm.org/ljharb/get-intrinsic
+[dev-deps-svg]: https://david-dm.org/ljharb/get-intrinsic/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/get-intrinsic#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/get-intrinsic.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/get-intrinsic.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/get-intrinsic.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=get-intrinsic
+[codecov-image]: https://codecov.io/gh/ljharb/get-intrinsic/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/get-intrinsic/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/get-intrinsic
+[actions-url]: https://github.com/ljharb/get-intrinsic/actions
diff --git a/node_modules/get-intrinsic/index.js b/node_modules/get-intrinsic/index.js
new file mode 100644
index 000000000..3c3d93eb7
--- /dev/null
+++ b/node_modules/get-intrinsic/index.js
@@ -0,0 +1,334 @@
+'use strict';
+
+var undefined;
+
+var $SyntaxError = SyntaxError;
+var $Function = Function;
+var $TypeError = TypeError;
+
+// eslint-disable-next-line consistent-return
+var getEvalledConstructor = function (expressionSyntax) {
+	try {
+		return $Function('"use strict"; return (' + expressionSyntax + ').constructor;')();
+	} catch (e) {}
+};
+
+var $gOPD = Object.getOwnPropertyDescriptor;
+if ($gOPD) {
+	try {
+		$gOPD({}, '');
+	} catch (e) {
+		$gOPD = null; // this is IE 8, which has a broken gOPD
+	}
+}
+
+var throwTypeError = function () {
+	throw new $TypeError();
+};
+var ThrowTypeError = $gOPD
+	? (function () {
+		try {
+			// eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties
+			arguments.callee; // IE 8 does not throw here
+			return throwTypeError;
+		} catch (calleeThrows) {
+			try {
+				// IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '')
+				return $gOPD(arguments, 'callee').get;
+			} catch (gOPDthrows) {
+				return throwTypeError;
+			}
+		}
+	}())
+	: throwTypeError;
+
+var hasSymbols = require('has-symbols')();
+
+var getProto = Object.getPrototypeOf || function (x) { return x.__proto__; }; // eslint-disable-line no-proto
+
+var needsEval = {};
+
+var TypedArray = typeof Uint8Array === 'undefined' ? undefined : getProto(Uint8Array);
+
+var INTRINSICS = {
+	'%AggregateError%': typeof AggregateError === 'undefined' ? undefined : AggregateError,
+	'%Array%': Array,
+	'%ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer,
+	'%ArrayIteratorPrototype%': hasSymbols ? getProto([][Symbol.iterator]()) : undefined,
+	'%AsyncFromSyncIteratorPrototype%': undefined,
+	'%AsyncFunction%': needsEval,
+	'%AsyncGenerator%': needsEval,
+	'%AsyncGeneratorFunction%': needsEval,
+	'%AsyncIteratorPrototype%': needsEval,
+	'%Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics,
+	'%BigInt%': typeof BigInt === 'undefined' ? undefined : BigInt,
+	'%Boolean%': Boolean,
+	'%DataView%': typeof DataView === 'undefined' ? undefined : DataView,
+	'%Date%': Date,
+	'%decodeURI%': decodeURI,
+	'%decodeURIComponent%': decodeURIComponent,
+	'%encodeURI%': encodeURI,
+	'%encodeURIComponent%': encodeURIComponent,
+	'%Error%': Error,
+	'%eval%': eval, // eslint-disable-line no-eval
+	'%EvalError%': EvalError,
+	'%Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array,
+	'%Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array,
+	'%FinalizationRegistry%': typeof FinalizationRegistry === 'undefined' ? undefined : FinalizationRegistry,
+	'%Function%': $Function,
+	'%GeneratorFunction%': needsEval,
+	'%Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array,
+	'%Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array,
+	'%Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array,
+	'%isFinite%': isFinite,
+	'%isNaN%': isNaN,
+	'%IteratorPrototype%': hasSymbols ? getProto(getProto([][Symbol.iterator]())) : undefined,
+	'%JSON%': typeof JSON === 'object' ? JSON : undefined,
+	'%Map%': typeof Map === 'undefined' ? undefined : Map,
+	'%MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols ? undefined : getProto(new Map()[Symbol.iterator]()),
+	'%Math%': Math,
+	'%Number%': Number,
+	'%Object%': Object,
+	'%parseFloat%': parseFloat,
+	'%parseInt%': parseInt,
+	'%Promise%': typeof Promise === 'undefined' ? undefined : Promise,
+	'%Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy,
+	'%RangeError%': RangeError,
+	'%ReferenceError%': ReferenceError,
+	'%Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect,
+	'%RegExp%': RegExp,
+	'%Set%': typeof Set === 'undefined' ? undefined : Set,
+	'%SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols ? undefined : getProto(new Set()[Symbol.iterator]()),
+	'%SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer,
+	'%String%': String,
+	'%StringIteratorPrototype%': hasSymbols ? getProto(''[Symbol.iterator]()) : undefined,
+	'%Symbol%': hasSymbols ? Symbol : undefined,
+	'%SyntaxError%': $SyntaxError,
+	'%ThrowTypeError%': ThrowTypeError,
+	'%TypedArray%': TypedArray,
+	'%TypeError%': $TypeError,
+	'%Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array,
+	'%Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray,
+	'%Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array,
+	'%Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array,
+	'%URIError%': URIError,
+	'%WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap,
+	'%WeakRef%': typeof WeakRef === 'undefined' ? undefined : WeakRef,
+	'%WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet
+};
+
+var doEval = function doEval(name) {
+	var value;
+	if (name === '%AsyncFunction%') {
+		value = getEvalledConstructor('async function () {}');
+	} else if (name === '%GeneratorFunction%') {
+		value = getEvalledConstructor('function* () {}');
+	} else if (name === '%AsyncGeneratorFunction%') {
+		value = getEvalledConstructor('async function* () {}');
+	} else if (name === '%AsyncGenerator%') {
+		var fn = doEval('%AsyncGeneratorFunction%');
+		if (fn) {
+			value = fn.prototype;
+		}
+	} else if (name === '%AsyncIteratorPrototype%') {
+		var gen = doEval('%AsyncGenerator%');
+		if (gen) {
+			value = getProto(gen.prototype);
+		}
+	}
+
+	INTRINSICS[name] = value;
+
+	return value;
+};
+
+var LEGACY_ALIASES = {
+	'%ArrayBufferPrototype%': ['ArrayBuffer', 'prototype'],
+	'%ArrayPrototype%': ['Array', 'prototype'],
+	'%ArrayProto_entries%': ['Array', 'prototype', 'entries'],
+	'%ArrayProto_forEach%': ['Array', 'prototype', 'forEach'],
+	'%ArrayProto_keys%': ['Array', 'prototype', 'keys'],
+	'%ArrayProto_values%': ['Array', 'prototype', 'values'],
+	'%AsyncFunctionPrototype%': ['AsyncFunction', 'prototype'],
+	'%AsyncGenerator%': ['AsyncGeneratorFunction', 'prototype'],
+	'%AsyncGeneratorPrototype%': ['AsyncGeneratorFunction', 'prototype', 'prototype'],
+	'%BooleanPrototype%': ['Boolean', 'prototype'],
+	'%DataViewPrototype%': ['DataView', 'prototype'],
+	'%DatePrototype%': ['Date', 'prototype'],
+	'%ErrorPrototype%': ['Error', 'prototype'],
+	'%EvalErrorPrototype%': ['EvalError', 'prototype'],
+	'%Float32ArrayPrototype%': ['Float32Array', 'prototype'],
+	'%Float64ArrayPrototype%': ['Float64Array', 'prototype'],
+	'%FunctionPrototype%': ['Function', 'prototype'],
+	'%Generator%': ['GeneratorFunction', 'prototype'],
+	'%GeneratorPrototype%': ['GeneratorFunction', 'prototype', 'prototype'],
+	'%Int8ArrayPrototype%': ['Int8Array', 'prototype'],
+	'%Int16ArrayPrototype%': ['Int16Array', 'prototype'],
+	'%Int32ArrayPrototype%': ['Int32Array', 'prototype'],
+	'%JSONParse%': ['JSON', 'parse'],
+	'%JSONStringify%': ['JSON', 'stringify'],
+	'%MapPrototype%': ['Map', 'prototype'],
+	'%NumberPrototype%': ['Number', 'prototype'],
+	'%ObjectPrototype%': ['Object', 'prototype'],
+	'%ObjProto_toString%': ['Object', 'prototype', 'toString'],
+	'%ObjProto_valueOf%': ['Object', 'prototype', 'valueOf'],
+	'%PromisePrototype%': ['Promise', 'prototype'],
+	'%PromiseProto_then%': ['Promise', 'prototype', 'then'],
+	'%Promise_all%': ['Promise', 'all'],
+	'%Promise_reject%': ['Promise', 'reject'],
+	'%Promise_resolve%': ['Promise', 'resolve'],
+	'%RangeErrorPrototype%': ['RangeError', 'prototype'],
+	'%ReferenceErrorPrototype%': ['ReferenceError', 'prototype'],
+	'%RegExpPrototype%': ['RegExp', 'prototype'],
+	'%SetPrototype%': ['Set', 'prototype'],
+	'%SharedArrayBufferPrototype%': ['SharedArrayBuffer', 'prototype'],
+	'%StringPrototype%': ['String', 'prototype'],
+	'%SymbolPrototype%': ['Symbol', 'prototype'],
+	'%SyntaxErrorPrototype%': ['SyntaxError', 'prototype'],
+	'%TypedArrayPrototype%': ['TypedArray', 'prototype'],
+	'%TypeErrorPrototype%': ['TypeError', 'prototype'],
+	'%Uint8ArrayPrototype%': ['Uint8Array', 'prototype'],
+	'%Uint8ClampedArrayPrototype%': ['Uint8ClampedArray', 'prototype'],
+	'%Uint16ArrayPrototype%': ['Uint16Array', 'prototype'],
+	'%Uint32ArrayPrototype%': ['Uint32Array', 'prototype'],
+	'%URIErrorPrototype%': ['URIError', 'prototype'],
+	'%WeakMapPrototype%': ['WeakMap', 'prototype'],
+	'%WeakSetPrototype%': ['WeakSet', 'prototype']
+};
+
+var bind = require('function-bind');
+var hasOwn = require('has');
+var $concat = bind.call(Function.call, Array.prototype.concat);
+var $spliceApply = bind.call(Function.apply, Array.prototype.splice);
+var $replace = bind.call(Function.call, String.prototype.replace);
+var $strSlice = bind.call(Function.call, String.prototype.slice);
+var $exec = bind.call(Function.call, RegExp.prototype.exec);
+
+/* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */
+var rePropName = /[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g;
+var reEscapeChar = /\\(\\)?/g; /** Used to match backslashes in property paths. */
+var stringToPath = function stringToPath(string) {
+	var first = $strSlice(string, 0, 1);
+	var last = $strSlice(string, -1);
+	if (first === '%' && last !== '%') {
+		throw new $SyntaxError('invalid intrinsic syntax, expected closing `%`');
+	} else if (last === '%' && first !== '%') {
+		throw new $SyntaxError('invalid intrinsic syntax, expected opening `%`');
+	}
+	var result = [];
+	$replace(string, rePropName, function (match, number, quote, subString) {
+		result[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : number || match;
+	});
+	return result;
+};
+/* end adaptation */
+
+var getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) {
+	var intrinsicName = name;
+	var alias;
+	if (hasOwn(LEGACY_ALIASES, intrinsicName)) {
+		alias = LEGACY_ALIASES[intrinsicName];
+		intrinsicName = '%' + alias[0] + '%';
+	}
+
+	if (hasOwn(INTRINSICS, intrinsicName)) {
+		var value = INTRINSICS[intrinsicName];
+		if (value === needsEval) {
+			value = doEval(intrinsicName);
+		}
+		if (typeof value === 'undefined' && !allowMissing) {
+			throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!');
+		}
+
+		return {
+			alias: alias,
+			name: intrinsicName,
+			value: value
+		};
+	}
+
+	throw new $SyntaxError('intrinsic ' + name + ' does not exist!');
+};
+
+module.exports = function GetIntrinsic(name, allowMissing) {
+	if (typeof name !== 'string' || name.length === 0) {
+		throw new $TypeError('intrinsic name must be a non-empty string');
+	}
+	if (arguments.length > 1 && typeof allowMissing !== 'boolean') {
+		throw new $TypeError('"allowMissing" argument must be a boolean');
+	}
+
+	if ($exec(/^%?[^%]*%?$/, name) === null) {
+		throw new $SyntaxError('`%` may not be present anywhere but at the beginning and end of the intrinsic name');
+	}
+	var parts = stringToPath(name);
+	var intrinsicBaseName = parts.length > 0 ? parts[0] : '';
+
+	var intrinsic = getBaseIntrinsic('%' + intrinsicBaseName + '%', allowMissing);
+	var intrinsicRealName = intrinsic.name;
+	var value = intrinsic.value;
+	var skipFurtherCaching = false;
+
+	var alias = intrinsic.alias;
+	if (alias) {
+		intrinsicBaseName = alias[0];
+		$spliceApply(parts, $concat([0, 1], alias));
+	}
+
+	for (var i = 1, isOwn = true; i < parts.length; i += 1) {
+		var part = parts[i];
+		var first = $strSlice(part, 0, 1);
+		var last = $strSlice(part, -1);
+		if (
+			(
+				(first === '"' || first === "'" || first === '`')
+				|| (last === '"' || last === "'" || last === '`')
+			)
+			&& first !== last
+		) {
+			throw new $SyntaxError('property names with quotes must have matching quotes');
+		}
+		if (part === 'constructor' || !isOwn) {
+			skipFurtherCaching = true;
+		}
+
+		intrinsicBaseName += '.' + part;
+		intrinsicRealName = '%' + intrinsicBaseName + '%';
+
+		if (hasOwn(INTRINSICS, intrinsicRealName)) {
+			value = INTRINSICS[intrinsicRealName];
+		} else if (value != null) {
+			if (!(part in value)) {
+				if (!allowMissing) {
+					throw new $TypeError('base intrinsic for ' + name + ' exists, but the property is not available.');
+				}
+				return void undefined;
+			}
+			if ($gOPD && (i + 1) >= parts.length) {
+				var desc = $gOPD(value, part);
+				isOwn = !!desc;
+
+				// By convention, when a data property is converted to an accessor
+				// property to emulate a data property that does not suffer from
+				// the override mistake, that accessor's getter is marked with
+				// an `originalValue` property. Here, when we detect this, we
+				// uphold the illusion by pretending to see that original data
+				// property, i.e., returning the value rather than the getter
+				// itself.
+				if (isOwn && 'get' in desc && !('originalValue' in desc.get)) {
+					value = desc.get;
+				} else {
+					value = value[part];
+				}
+			} else {
+				isOwn = hasOwn(value, part);
+				value = value[part];
+			}
+
+			if (isOwn && !skipFurtherCaching) {
+				INTRINSICS[intrinsicRealName] = value;
+			}
+		}
+	}
+	return value;
+};
diff --git a/node_modules/get-intrinsic/package.json b/node_modules/get-intrinsic/package.json
new file mode 100644
index 000000000..dfde0329f
--- /dev/null
+++ b/node_modules/get-intrinsic/package.json
@@ -0,0 +1,91 @@
+{
+	"name": "get-intrinsic",
+	"version": "1.1.3",
+	"description": "Get and robustly cache all JS language-level intrinsics at first require time",
+	"main": "index.js",
+	"exports": {
+		".": [
+			{
+				"default": "./index.js"
+			},
+			"./index.js"
+		],
+		"./package.json": "./package.json"
+	},
+	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"prepublishOnly": "safe-publish-latest",
+		"prelint": "evalmd README.md",
+		"lint": "eslint --ext=.js,.mjs .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/get-intrinsic.git"
+	},
+	"keywords": [
+		"javascript",
+		"ecmascript",
+		"es",
+		"js",
+		"intrinsic",
+		"getintrinsic",
+		"es-abstract"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/get-intrinsic/issues"
+	},
+	"homepage": "https://github.com/ljharb/get-intrinsic#readme",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^21.0.0",
+		"aud": "^2.0.0",
+		"auto-changelog": "^2.4.0",
+		"call-bind": "^1.0.2",
+		"es-abstract": "^1.20.2",
+		"es-value-fixtures": "^1.4.2",
+		"eslint": "=8.8.0",
+		"evalmd": "^0.0.19",
+		"for-each": "^0.3.3",
+		"make-async-function": "^1.0.0",
+		"make-async-generator-function": "^1.0.0",
+		"make-generator-function": "^2.0.0",
+		"mock-property": "^1.0.0",
+		"npmignore": "^0.3.0",
+		"nyc": "^10.3.2",
+		"object-inspect": "^1.12.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.6.0"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"dependencies": {
+		"function-bind": "^1.1.1",
+		"has": "^1.0.3",
+		"has-symbols": "^1.0.3"
+	},
+	"testling": {
+		"files": "test/GetIntrinsic.js"
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows"
+		]
+	}
+}
diff --git a/node_modules/get-intrinsic/test/GetIntrinsic.js b/node_modules/get-intrinsic/test/GetIntrinsic.js
new file mode 100644
index 000000000..7e0ea30f6
--- /dev/null
+++ b/node_modules/get-intrinsic/test/GetIntrinsic.js
@@ -0,0 +1,274 @@
+'use strict';
+
+var GetIntrinsic = require('../');
+
+var test = require('tape');
+var forEach = require('for-each');
+var debug = require('object-inspect');
+var generatorFns = require('make-generator-function')();
+var asyncFns = require('make-async-function').list();
+var asyncGenFns = require('make-async-generator-function')();
+var mockProperty = require('mock-property');
+
+var callBound = require('call-bind/callBound');
+var v = require('es-value-fixtures');
+var $gOPD = require('es-abstract/helpers/getOwnPropertyDescriptor');
+var DefinePropertyOrThrow = require('es-abstract/2021/DefinePropertyOrThrow');
+
+var $isProto = callBound('%Object.prototype.isPrototypeOf%');
+
+test('export', function (t) {
+	t.equal(typeof GetIntrinsic, 'function', 'it is a function');
+	t.equal(GetIntrinsic.length, 2, 'function has length of 2');
+
+	t.end();
+});
+
+test('throws', function (t) {
+	t['throws'](
+		function () { GetIntrinsic('not an intrinsic'); },
+		SyntaxError,
+		'nonexistent intrinsic throws a syntax error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic(''); },
+		TypeError,
+		'empty string intrinsic throws a type error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('.'); },
+		SyntaxError,
+		'"just a dot" intrinsic throws a syntax error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('%String'); },
+		SyntaxError,
+		'Leading % without trailing % throws a syntax error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('String%'); },
+		SyntaxError,
+		'Trailing % without leading % throws a syntax error'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic("String['prototype]"); },
+		SyntaxError,
+		'Dynamic property access is disallowed for intrinsics (unterminated string)'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('%Proxy.prototype.undefined%'); },
+		TypeError,
+		"Throws when middle part doesn't exist (%Proxy.prototype.undefined%)"
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('%Array.prototype%garbage%'); },
+		SyntaxError,
+		'Throws with extra percent signs'
+	);
+
+	t['throws'](
+		function () { GetIntrinsic('%Array.prototype%push%'); },
+		SyntaxError,
+		'Throws with extra percent signs, even on an existing intrinsic'
+	);
+
+	forEach(v.nonStrings, function (nonString) {
+		t['throws'](
+			function () { GetIntrinsic(nonString); },
+			TypeError,
+			debug(nonString) + ' is not a String'
+		);
+	});
+
+	forEach(v.nonBooleans, function (nonBoolean) {
+		t['throws'](
+			function () { GetIntrinsic('%', nonBoolean); },
+			TypeError,
+			debug(nonBoolean) + ' is not a Boolean'
+		);
+	});
+
+	forEach([
+		'toString',
+		'propertyIsEnumerable',
+		'hasOwnProperty'
+	], function (objectProtoMember) {
+		t['throws'](
+			function () { GetIntrinsic(objectProtoMember); },
+			SyntaxError,
+			debug(objectProtoMember) + ' is not an intrinsic'
+		);
+	});
+
+	t.end();
+});
+
+test('base intrinsics', function (t) {
+	t.equal(GetIntrinsic('%Object%'), Object, '%Object% yields Object');
+	t.equal(GetIntrinsic('Object'), Object, 'Object yields Object');
+	t.equal(GetIntrinsic('%Array%'), Array, '%Array% yields Array');
+	t.equal(GetIntrinsic('Array'), Array, 'Array yields Array');
+
+	t.end();
+});
+
+test('dotted paths', function (t) {
+	t.equal(GetIntrinsic('%Object.prototype.toString%'), Object.prototype.toString, '%Object.prototype.toString% yields Object.prototype.toString');
+	t.equal(GetIntrinsic('Object.prototype.toString'), Object.prototype.toString, 'Object.prototype.toString yields Object.prototype.toString');
+	t.equal(GetIntrinsic('%Array.prototype.push%'), Array.prototype.push, '%Array.prototype.push% yields Array.prototype.push');
+	t.equal(GetIntrinsic('Array.prototype.push'), Array.prototype.push, 'Array.prototype.push yields Array.prototype.push');
+
+	test('underscore paths are aliases for dotted paths', { skip: !Object.isFrozen || Object.isFrozen(Object.prototype) }, function (st) {
+		var original = GetIntrinsic('%ObjProto_toString%');
+
+		forEach([
+			'%Object.prototype.toString%',
+			'Object.prototype.toString',
+			'%ObjectPrototype.toString%',
+			'ObjectPrototype.toString',
+			'%ObjProto_toString%',
+			'ObjProto_toString'
+		], function (name) {
+			DefinePropertyOrThrow(Object.prototype, 'toString', {
+				'[[Value]]': function toString() {
+					return original.apply(this, arguments);
+				}
+			});
+			st.equal(GetIntrinsic(name), original, name + ' yields original Object.prototype.toString');
+		});
+
+		DefinePropertyOrThrow(Object.prototype, 'toString', { '[[Value]]': original });
+		st.end();
+	});
+
+	test('dotted paths cache', { skip: !Object.isFrozen || Object.isFrozen(Object.prototype) }, function (st) {
+		var original = GetIntrinsic('%Object.prototype.propertyIsEnumerable%');
+
+		forEach([
+			'%Object.prototype.propertyIsEnumerable%',
+			'Object.prototype.propertyIsEnumerable',
+			'%ObjectPrototype.propertyIsEnumerable%',
+			'ObjectPrototype.propertyIsEnumerable'
+		], function (name) {
+			var restore = mockProperty(Object.prototype, 'propertyIsEnumerable', {
+				value: function propertyIsEnumerable() {
+					return original.apply(this, arguments);
+				}
+			});
+			st.equal(GetIntrinsic(name), original, name + ' yields cached Object.prototype.propertyIsEnumerable');
+
+			restore();
+		});
+
+		st.end();
+	});
+
+	test('dotted path reports correct error', function (st) {
+		st['throws'](function () {
+			GetIntrinsic('%NonExistentIntrinsic.prototype.property%');
+		}, /%NonExistentIntrinsic%/, 'The base intrinsic of %NonExistentIntrinsic.prototype.property% is %NonExistentIntrinsic%');
+
+		st['throws'](function () {
+			GetIntrinsic('%NonExistentIntrinsicPrototype.property%');
+		}, /%NonExistentIntrinsicPrototype%/, 'The base intrinsic of %NonExistentIntrinsicPrototype.property% is %NonExistentIntrinsicPrototype%');
+
+		st.end();
+	});
+
+	t.end();
+});
+
+test('accessors', { skip: !$gOPD || typeof Map !== 'function' }, function (t) {
+	var actual = $gOPD(Map.prototype, 'size');
+	t.ok(actual, 'Map.prototype.size has a descriptor');
+	t.equal(typeof actual.get, 'function', 'Map.prototype.size has a getter function');
+	t.equal(GetIntrinsic('%Map.prototype.size%'), actual.get, '%Map.prototype.size% yields the getter for it');
+	t.equal(GetIntrinsic('Map.prototype.size'), actual.get, 'Map.prototype.size yields the getter for it');
+
+	t.end();
+});
+
+test('generator functions', { skip: !generatorFns.length }, function (t) {
+	var $GeneratorFunction = GetIntrinsic('%GeneratorFunction%');
+	var $GeneratorFunctionPrototype = GetIntrinsic('%Generator%');
+	var $GeneratorPrototype = GetIntrinsic('%GeneratorPrototype%');
+
+	forEach(generatorFns, function (genFn) {
+		var fnName = genFn.name;
+		fnName = fnName ? "'" + fnName + "'" : 'genFn';
+
+		t.ok(genFn instanceof $GeneratorFunction, fnName + ' instanceof %GeneratorFunction%');
+		t.ok($isProto($GeneratorFunctionPrototype, genFn), '%Generator% is prototype of ' + fnName);
+		t.ok($isProto($GeneratorPrototype, genFn.prototype), '%GeneratorPrototype% is prototype of ' + fnName + '.prototype');
+	});
+
+	t.end();
+});
+
+test('async functions', { skip: !asyncFns.length }, function (t) {
+	var $AsyncFunction = GetIntrinsic('%AsyncFunction%');
+	var $AsyncFunctionPrototype = GetIntrinsic('%AsyncFunctionPrototype%');
+
+	forEach(asyncFns, function (asyncFn) {
+		var fnName = asyncFn.name;
+		fnName = fnName ? "'" + fnName + "'" : 'asyncFn';
+
+		t.ok(asyncFn instanceof $AsyncFunction, fnName + ' instanceof %AsyncFunction%');
+		t.ok($isProto($AsyncFunctionPrototype, asyncFn), '%AsyncFunctionPrototype% is prototype of ' + fnName);
+	});
+
+	t.end();
+});
+
+test('async generator functions', { skip: asyncGenFns.length === 0 }, function (t) {
+	var $AsyncGeneratorFunction = GetIntrinsic('%AsyncGeneratorFunction%');
+	var $AsyncGeneratorFunctionPrototype = GetIntrinsic('%AsyncGenerator%');
+	var $AsyncGeneratorPrototype = GetIntrinsic('%AsyncGeneratorPrototype%');
+
+	forEach(asyncGenFns, function (asyncGenFn) {
+		var fnName = asyncGenFn.name;
+		fnName = fnName ? "'" + fnName + "'" : 'asyncGenFn';
+
+		t.ok(asyncGenFn instanceof $AsyncGeneratorFunction, fnName + ' instanceof %AsyncGeneratorFunction%');
+		t.ok($isProto($AsyncGeneratorFunctionPrototype, asyncGenFn), '%AsyncGenerator% is prototype of ' + fnName);
+		t.ok($isProto($AsyncGeneratorPrototype, asyncGenFn.prototype), '%AsyncGeneratorPrototype% is prototype of ' + fnName + '.prototype');
+	});
+
+	t.end();
+});
+
+test('%ThrowTypeError%', function (t) {
+	var $ThrowTypeError = GetIntrinsic('%ThrowTypeError%');
+
+	t.equal(typeof $ThrowTypeError, 'function', 'is a function');
+	t['throws'](
+		$ThrowTypeError,
+		TypeError,
+		'%ThrowTypeError% throws a TypeError'
+	);
+
+	t.end();
+});
+
+test('allowMissing', { skip: asyncGenFns.length > 0 }, function (t) {
+	t['throws'](
+		function () { GetIntrinsic('%AsyncGeneratorPrototype%'); },
+		TypeError,
+		'throws when missing'
+	);
+
+	t.equal(
+		GetIntrinsic('%AsyncGeneratorPrototype%', true),
+		undefined,
+		'does not throw when allowMissing'
+	);
+
+	t.end();
+});
diff --git a/node_modules/getpass/.npmignore b/node_modules/getpass/.npmignore
new file mode 100644
index 000000000..a4261fc06
--- /dev/null
+++ b/node_modules/getpass/.npmignore
@@ -0,0 +1,8 @@
+.gitmodules
+deps
+docs
+Makefile
+node_modules
+test
+tools
+coverage
diff --git a/node_modules/getpass/.travis.yml b/node_modules/getpass/.travis.yml
new file mode 100644
index 000000000..d8b5833a7
--- /dev/null
+++ b/node_modules/getpass/.travis.yml
@@ -0,0 +1,9 @@
+language: node_js
+node_js:
+  - "5.10"
+  - "4.4"
+  - "4.1"
+  - "0.12"
+  - "0.10"
+before_install:
+  - "make check"
diff --git a/node_modules/getpass/LICENSE b/node_modules/getpass/LICENSE
new file mode 100644
index 000000000..f6d947d2f
--- /dev/null
+++ b/node_modules/getpass/LICENSE
@@ -0,0 +1,18 @@
+Copyright Joyent, Inc. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
diff --git a/node_modules/getpass/README.md b/node_modules/getpass/README.md
new file mode 100644
index 000000000..6e4a50f63
--- /dev/null
+++ b/node_modules/getpass/README.md
@@ -0,0 +1,32 @@
+## getpass
+
+Get a password from the terminal. Sounds simple? Sounds like the `readline`
+module should be able to do it? NOPE.
+
+## Install and use it
+
+```bash
+npm install --save getpass
+```
+
+```javascript
+const mod_getpass = require('getpass');
+```
+
+## API
+
+### `mod_getpass.getPass([options, ]callback)`
+
+Gets a password from the terminal. If available, this uses `/dev/tty` to avoid
+interfering with any data being piped in or out of stdio.
+
+This function prints a prompt (by default `Password:`) and then accepts input
+without echoing.
+
+Parameters:
+
+ * `options`, an Object, with properties:
+   * `prompt`, an optional String
+ * `callback`, a `Func(error, password)`, with arguments:
+   * `error`, either `null` (no error) or an `Error` instance
+   * `password`, a String
diff --git a/node_modules/getpass/lib/index.js b/node_modules/getpass/lib/index.js
new file mode 100644
index 000000000..55a7718c0
--- /dev/null
+++ b/node_modules/getpass/lib/index.js
@@ -0,0 +1,123 @@
+/*
+ * Copyright 2016, Joyent, Inc. All rights reserved.
+ * Author: Alex Wilson <alex.wilson@joyent.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+*/
+
+module.exports = {
+	getPass: getPass
+};
+
+const mod_tty = require('tty');
+const mod_fs = require('fs');
+const mod_assert = require('assert-plus');
+
+var BACKSPACE = String.fromCharCode(127);
+var CTRLC = '\u0003';
+var CTRLD = '\u0004';
+
+function getPass(opts, cb) {
+	if (typeof (opts) === 'function' && cb === undefined) {
+		cb = opts;
+		opts = {};
+	}
+	mod_assert.object(opts, 'options');
+	mod_assert.func(cb, 'callback');
+
+	mod_assert.optionalString(opts.prompt, 'options.prompt');
+	if (opts.prompt === undefined)
+		opts.prompt = 'Password';
+
+	openTTY(function (err, rfd, wfd, rtty, wtty) {
+		if (err) {
+			cb(err);
+			return;
+		}
+
+		wtty.write(opts.prompt + ':');
+		rtty.resume();
+		rtty.setRawMode(true);
+		rtty.resume();
+		rtty.setEncoding('utf8');
+
+		var pw = '';
+		rtty.on('data', onData);
+
+		function onData(data) {
+			var str = data.toString('utf8');
+			for (var i = 0; i < str.length; ++i) {
+				var ch = str[i];
+				switch (ch) {
+				case '\r':
+				case '\n':
+				case CTRLD:
+					cleanup();
+					cb(null, pw);
+					return;
+				case CTRLC:
+					cleanup();
+					cb(new Error('Aborted'));
+					return;
+				case BACKSPACE:
+					pw = pw.slice(0, pw.length - 1);
+					break;
+				default:
+					pw += ch;
+					break;
+				}
+			}
+		}
+
+		function cleanup() {
+			wtty.write('\r\n');
+			rtty.setRawMode(false);
+			rtty.pause();
+			rtty.removeListener('data', onData);
+			if (wfd !== undefined && wfd !== rfd) {
+				wtty.end();
+				mod_fs.closeSync(wfd);
+			}
+			if (rfd !== undefined) {
+				rtty.end();
+				mod_fs.closeSync(rfd);
+			}
+		}
+	});
+}
+
+function openTTY(cb) {
+	mod_fs.open('/dev/tty', 'r+', function (err, rttyfd) {
+		if ((err && (err.code === 'ENOENT' || err.code === 'EACCES')) ||
+		    (process.version.match(/^v0[.][0-8][.]/))) {
+			cb(null, undefined, undefined, process.stdin,
+			    process.stdout);
+			return;
+		}
+		var rtty = new mod_tty.ReadStream(rttyfd);
+		mod_fs.open('/dev/tty', 'w+', function (err3, wttyfd) {
+			var wtty = new mod_tty.WriteStream(wttyfd);
+			if (err3) {
+				cb(err3);
+				return;
+			}
+			cb(null, rttyfd, wttyfd, rtty, wtty);
+		});
+	});
+}
diff --git a/node_modules/getpass/package.json b/node_modules/getpass/package.json
new file mode 100644
index 000000000..f1638eb3c
--- /dev/null
+++ b/node_modules/getpass/package.json
@@ -0,0 +1,18 @@
+{
+  "name": "getpass",
+  "version": "0.1.7",
+  "description": "getpass for node.js",
+  "main": "lib/index.js",
+  "dependencies": {
+    "assert-plus": "^1.0.0"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/arekinath/node-getpass.git"
+  },
+  "scripts": {
+    "test": "tape test/*.test.js"
+  },
+  "author": "Alex Wilson <alex.wilson@joyent.com>",
+  "license": "MIT"
+}
diff --git a/node_modules/har-schema/LICENSE b/node_modules/har-schema/LICENSE
new file mode 100644
index 000000000..ca55c91af
--- /dev/null
+++ b/node_modules/har-schema/LICENSE
@@ -0,0 +1,13 @@
+Copyright (c) 2015, Ahmad Nassri <ahmad@ahmadnassri.com>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/har-schema/README.md b/node_modules/har-schema/README.md
new file mode 100644
index 000000000..cd0a28e1a
--- /dev/null
+++ b/node_modules/har-schema/README.md
@@ -0,0 +1,49 @@
+# HAR Schema [![version][npm-version]][npm-url] [![License][npm-license]][license-url]
+
+> JSON Schema for HTTP Archive ([HAR][spec]).
+
+[![Build Status][travis-image]][travis-url]
+[![Downloads][npm-downloads]][npm-url]
+[![Code Climate][codeclimate-quality]][codeclimate-url]
+[![Coverage Status][codeclimate-coverage]][codeclimate-url]
+[![Dependency Status][dependencyci-image]][dependencyci-url]
+[![Dependencies][david-image]][david-url]
+
+## Install
+
+```bash
+npm install --only=production --save har-schema
+```
+
+## Usage
+
+Compatible with any [JSON Schema validation tool][validator].
+
+----
+> :copyright: [ahmadnassri.com](https://www.ahmadnassri.com/) &nbsp;&middot;&nbsp;
+> License: [ISC][license-url] &nbsp;&middot;&nbsp;
+> Github: [@ahmadnassri](https://github.com/ahmadnassri) &nbsp;&middot;&nbsp;
+> Twitter: [@ahmadnassri](https://twitter.com/ahmadnassri)
+
+[license-url]: http://choosealicense.com/licenses/isc/
+
+[travis-url]: https://travis-ci.org/ahmadnassri/har-schema
+[travis-image]: https://img.shields.io/travis/ahmadnassri/har-schema.svg?style=flat-square
+
+[npm-url]: https://www.npmjs.com/package/har-schema
+[npm-license]: https://img.shields.io/npm/l/har-schema.svg?style=flat-square
+[npm-version]: https://img.shields.io/npm/v/har-schema.svg?style=flat-square
+[npm-downloads]: https://img.shields.io/npm/dm/har-schema.svg?style=flat-square
+
+[codeclimate-url]: https://codeclimate.com/github/ahmadnassri/har-schema
+[codeclimate-quality]: https://img.shields.io/codeclimate/github/ahmadnassri/har-schema.svg?style=flat-square
+[codeclimate-coverage]: https://img.shields.io/codeclimate/coverage/github/ahmadnassri/har-schema.svg?style=flat-square
+
+[david-url]: https://david-dm.org/ahmadnassri/har-schema
+[david-image]: https://img.shields.io/david/ahmadnassri/har-schema.svg?style=flat-square
+
+[dependencyci-url]: https://dependencyci.com/github/ahmadnassri/har-schema
+[dependencyci-image]: https://dependencyci.com/github/ahmadnassri/har-schema/badge?style=flat-square
+
+[spec]: https://github.com/ahmadnassri/har-spec/blob/master/versions/1.2.md
+[validator]: https://github.com/ahmadnassri/har-validator
diff --git a/node_modules/har-schema/lib/afterRequest.json b/node_modules/har-schema/lib/afterRequest.json
new file mode 100644
index 000000000..5f5258154
--- /dev/null
+++ b/node_modules/har-schema/lib/afterRequest.json
@@ -0,0 +1,30 @@
+{
+  "$id": "afterRequest.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "optional": true,
+  "required": [
+    "lastAccess",
+    "eTag",
+    "hitCount"
+  ],
+  "properties": {
+    "expires": {
+      "type": "string",
+      "pattern": "^(\\d{4})(-)?(\\d\\d)(-)?(\\d\\d)(T)?(\\d\\d)(:)?(\\d\\d)(:)?(\\d\\d)(\\.\\d+)?(Z|([+-])(\\d\\d)(:)?(\\d\\d))?"
+    },
+    "lastAccess": {
+      "type": "string",
+      "pattern": "^(\\d{4})(-)?(\\d\\d)(-)?(\\d\\d)(T)?(\\d\\d)(:)?(\\d\\d)(:)?(\\d\\d)(\\.\\d+)?(Z|([+-])(\\d\\d)(:)?(\\d\\d))?"
+    },
+    "eTag": {
+      "type": "string"
+    },
+    "hitCount": {
+      "type": "integer"
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/beforeRequest.json b/node_modules/har-schema/lib/beforeRequest.json
new file mode 100644
index 000000000..c7b5c1016
--- /dev/null
+++ b/node_modules/har-schema/lib/beforeRequest.json
@@ -0,0 +1,30 @@
+{
+  "$id": "beforeRequest.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "optional": true,
+  "required": [
+    "lastAccess",
+    "eTag",
+    "hitCount"
+  ],
+  "properties": {
+    "expires": {
+      "type": "string",
+      "pattern": "^(\\d{4})(-)?(\\d\\d)(-)?(\\d\\d)(T)?(\\d\\d)(:)?(\\d\\d)(:)?(\\d\\d)(\\.\\d+)?(Z|([+-])(\\d\\d)(:)?(\\d\\d))?"
+    },
+    "lastAccess": {
+      "type": "string",
+      "pattern": "^(\\d{4})(-)?(\\d\\d)(-)?(\\d\\d)(T)?(\\d\\d)(:)?(\\d\\d)(:)?(\\d\\d)(\\.\\d+)?(Z|([+-])(\\d\\d)(:)?(\\d\\d))?"
+    },
+    "eTag": {
+      "type": "string"
+    },
+    "hitCount": {
+      "type": "integer"
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/browser.json b/node_modules/har-schema/lib/browser.json
new file mode 100644
index 000000000..d6869f75a
--- /dev/null
+++ b/node_modules/har-schema/lib/browser.json
@@ -0,0 +1,20 @@
+{
+  "$id": "browser.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "required": [
+    "name",
+    "version"
+  ],
+  "properties": {
+    "name": {
+      "type": "string"
+    },
+    "version": {
+      "type": "string"
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/cache.json b/node_modules/har-schema/lib/cache.json
new file mode 100644
index 000000000..30a7182eb
--- /dev/null
+++ b/node_modules/har-schema/lib/cache.json
@@ -0,0 +1,21 @@
+{
+  "$id": "cache.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "properties": {
+    "beforeRequest": {
+      "oneOf": [
+        { "type": "null" },
+        { "$ref": "beforeRequest.json#" }
+      ]
+    },
+    "afterRequest": {
+      "oneOf": [
+        { "type": "null" },
+        { "$ref": "afterRequest.json#" }
+      ]
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/content.json b/node_modules/har-schema/lib/content.json
new file mode 100644
index 000000000..43944bfa1
--- /dev/null
+++ b/node_modules/har-schema/lib/content.json
@@ -0,0 +1,29 @@
+{
+  "$id": "content.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "required": [
+    "size",
+    "mimeType"
+  ],
+  "properties": {
+    "size": {
+      "type": "integer"
+    },
+    "compression": {
+      "type": "integer"
+    },
+    "mimeType": {
+      "type": "string"
+    },
+    "text": {
+      "type": "string"
+    },
+    "encoding": {
+      "type": "string"
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/cookie.json b/node_modules/har-schema/lib/cookie.json
new file mode 100644
index 000000000..661f7f32a
--- /dev/null
+++ b/node_modules/har-schema/lib/cookie.json
@@ -0,0 +1,36 @@
+{
+  "$id": "cookie.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "required": [
+    "name",
+    "value"
+  ],
+  "properties": {
+    "name": {
+      "type": "string"
+    },
+    "value": {
+      "type": "string"
+    },
+    "path": {
+      "type": "string"
+    },
+    "domain": {
+      "type": "string"
+    },
+    "expires": {
+      "type": ["string", "null"],
+      "format": "date-time"
+    },
+    "httpOnly": {
+      "type": "boolean"
+    },
+    "secure": {
+      "type": "boolean"
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/creator.json b/node_modules/har-schema/lib/creator.json
new file mode 100644
index 000000000..71a75cd41
--- /dev/null
+++ b/node_modules/har-schema/lib/creator.json
@@ -0,0 +1,20 @@
+{
+  "$id": "creator.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "required": [
+    "name",
+    "version"
+  ],
+  "properties": {
+    "name": {
+      "type": "string"
+    },
+    "version": {
+      "type": "string"
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/entry.json b/node_modules/har-schema/lib/entry.json
new file mode 100644
index 000000000..18025f433
--- /dev/null
+++ b/node_modules/har-schema/lib/entry.json
@@ -0,0 +1,53 @@
+{
+  "$id": "entry.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "optional": true,
+  "required": [
+    "startedDateTime",
+    "time",
+    "request",
+    "response",
+    "cache",
+    "timings"
+  ],
+  "properties": {
+    "pageref": {
+      "type": "string"
+    },
+    "startedDateTime": {
+      "type": "string",
+      "format": "date-time",
+      "pattern": "^(\\d{4})(-)?(\\d\\d)(-)?(\\d\\d)(T)?(\\d\\d)(:)?(\\d\\d)(:)?(\\d\\d)(\\.\\d+)?(Z|([+-])(\\d\\d)(:)?(\\d\\d))"
+    },
+    "time": {
+      "type": "number",
+      "min": 0
+    },
+    "request": {
+      "$ref": "request.json#"
+    },
+    "response": {
+      "$ref": "response.json#"
+    },
+    "cache": {
+      "$ref": "cache.json#"
+    },
+    "timings": {
+      "$ref": "timings.json#"
+    },
+    "serverIPAddress": {
+      "type": "string",
+      "oneOf": [
+        { "format": "ipv4" },
+        { "format": "ipv6" }
+      ]
+    },
+    "connection": {
+      "type": "string"
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/har.json b/node_modules/har-schema/lib/har.json
new file mode 100644
index 000000000..d1a1de551
--- /dev/null
+++ b/node_modules/har-schema/lib/har.json
@@ -0,0 +1,13 @@
+{
+  "$id": "har.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "required": [
+    "log"
+  ],
+  "properties": {
+    "log": {
+      "$ref": "log.json#"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/header.json b/node_modules/har-schema/lib/header.json
new file mode 100644
index 000000000..103d949a3
--- /dev/null
+++ b/node_modules/har-schema/lib/header.json
@@ -0,0 +1,20 @@
+{
+  "$id": "header.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "required": [
+    "name",
+    "value"
+  ],
+  "properties": {
+    "name": {
+      "type": "string"
+    },
+    "value": {
+      "type": "string"
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/index.js b/node_modules/har-schema/lib/index.js
new file mode 100644
index 000000000..244c08e04
--- /dev/null
+++ b/node_modules/har-schema/lib/index.js
@@ -0,0 +1,22 @@
+'use strict'
+
+module.exports = {
+  afterRequest: require('./afterRequest.json'),
+  beforeRequest: require('./beforeRequest.json'),
+  browser: require('./browser.json'),
+  cache: require('./cache.json'),
+  content: require('./content.json'),
+  cookie: require('./cookie.json'),
+  creator: require('./creator.json'),
+  entry: require('./entry.json'),
+  har: require('./har.json'),
+  header: require('./header.json'),
+  log: require('./log.json'),
+  page: require('./page.json'),
+  pageTimings: require('./pageTimings.json'),
+  postData: require('./postData.json'),
+  query: require('./query.json'),
+  request: require('./request.json'),
+  response: require('./response.json'),
+  timings: require('./timings.json')
+}
diff --git a/node_modules/har-schema/lib/log.json b/node_modules/har-schema/lib/log.json
new file mode 100644
index 000000000..c353b40f1
--- /dev/null
+++ b/node_modules/har-schema/lib/log.json
@@ -0,0 +1,36 @@
+{
+  "$id": "log.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "required": [
+    "version",
+    "creator",
+    "entries"
+  ],
+  "properties": {
+    "version": {
+      "type": "string"
+    },
+    "creator": {
+      "$ref": "creator.json#"
+    },
+    "browser": {
+      "$ref": "browser.json#"
+    },
+    "pages": {
+      "type": "array",
+      "items": {
+        "$ref": "page.json#"
+      }
+    },
+    "entries": {
+      "type": "array",
+      "items": {
+        "$ref": "entry.json#"
+      }
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/page.json b/node_modules/har-schema/lib/page.json
new file mode 100644
index 000000000..e24a3cee6
--- /dev/null
+++ b/node_modules/har-schema/lib/page.json
@@ -0,0 +1,32 @@
+{
+  "$id": "page.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "optional": true,
+  "required": [
+    "startedDateTime",
+    "id",
+    "title",
+    "pageTimings"
+  ],
+  "properties": {
+    "startedDateTime": {
+      "type": "string",
+      "format": "date-time",
+      "pattern": "^(\\d{4})(-)?(\\d\\d)(-)?(\\d\\d)(T)?(\\d\\d)(:)?(\\d\\d)(:)?(\\d\\d)(\\.\\d+)?(Z|([+-])(\\d\\d)(:)?(\\d\\d))"
+    },
+    "id": {
+      "type": "string",
+      "unique": true
+    },
+    "title": {
+      "type": "string"
+    },
+    "pageTimings": {
+      "$ref": "pageTimings.json#"
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/pageTimings.json b/node_modules/har-schema/lib/pageTimings.json
new file mode 100644
index 000000000..130411fee
--- /dev/null
+++ b/node_modules/har-schema/lib/pageTimings.json
@@ -0,0 +1,18 @@
+{
+  "$id": "pageTimings.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "properties": {
+    "onContentLoad": {
+      "type": "number",
+      "min": -1
+    },
+    "onLoad": {
+      "type": "number",
+      "min": -1
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/postData.json b/node_modules/har-schema/lib/postData.json
new file mode 100644
index 000000000..3aa6294a4
--- /dev/null
+++ b/node_modules/har-schema/lib/postData.json
@@ -0,0 +1,43 @@
+{
+  "$id": "postData.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "optional": true,
+  "required": [
+    "mimeType"
+  ],
+  "properties": {
+    "mimeType": {
+      "type": "string"
+    },
+    "text": {
+      "type": "string"
+    },
+    "params": {
+      "type": "array",
+      "required": [
+        "name"
+      ],
+      "properties": {
+        "name": {
+          "type": "string"
+        },
+        "value": {
+          "type": "string"
+        },
+        "fileName": {
+          "type": "string"
+        },
+        "contentType": {
+          "type": "string"
+        },
+        "comment": {
+          "type": "string"
+        }
+      }
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/query.json b/node_modules/har-schema/lib/query.json
new file mode 100644
index 000000000..f82d8d8da
--- /dev/null
+++ b/node_modules/har-schema/lib/query.json
@@ -0,0 +1,20 @@
+{
+  "$id": "query.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "required": [
+    "name",
+    "value"
+  ],
+  "properties": {
+    "name": {
+      "type": "string"
+    },
+    "value": {
+      "type": "string"
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/request.json b/node_modules/har-schema/lib/request.json
new file mode 100644
index 000000000..0e2566ded
--- /dev/null
+++ b/node_modules/har-schema/lib/request.json
@@ -0,0 +1,57 @@
+{
+  "$id": "request.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "required": [
+    "method",
+    "url",
+    "httpVersion",
+    "cookies",
+    "headers",
+    "queryString",
+    "headersSize",
+    "bodySize"
+  ],
+  "properties": {
+    "method": {
+      "type": "string"
+    },
+    "url": {
+      "type": "string",
+      "format": "uri"
+    },
+    "httpVersion": {
+      "type": "string"
+    },
+    "cookies": {
+      "type": "array",
+      "items": {
+        "$ref": "cookie.json#"
+      }
+    },
+    "headers": {
+      "type": "array",
+      "items": {
+        "$ref": "header.json#"
+      }
+    },
+    "queryString": {
+      "type": "array",
+      "items": {
+        "$ref": "query.json#"
+      }
+    },
+    "postData": {
+      "$ref": "postData.json#"
+    },
+    "headersSize": {
+      "type": "integer"
+    },
+    "bodySize": {
+      "type": "integer"
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/response.json b/node_modules/har-schema/lib/response.json
new file mode 100644
index 000000000..ec30f802b
--- /dev/null
+++ b/node_modules/har-schema/lib/response.json
@@ -0,0 +1,54 @@
+{
+  "$id": "response.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "type": "object",
+  "required": [
+    "status",
+    "statusText",
+    "httpVersion",
+    "cookies",
+    "headers",
+    "content",
+    "redirectURL",
+    "headersSize",
+    "bodySize"
+  ],
+  "properties": {
+    "status": {
+      "type": "integer"
+    },
+    "statusText": {
+      "type": "string"
+    },
+    "httpVersion": {
+      "type": "string"
+    },
+    "cookies": {
+      "type": "array",
+      "items": {
+        "$ref": "cookie.json#"
+      }
+    },
+    "headers": {
+      "type": "array",
+      "items": {
+        "$ref": "header.json#"
+      }
+    },
+    "content": {
+      "$ref": "content.json#"
+    },
+    "redirectURL": {
+      "type": "string"
+    },
+    "headersSize": {
+      "type": "integer"
+    },
+    "bodySize": {
+      "type": "integer"
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/lib/timings.json b/node_modules/har-schema/lib/timings.json
new file mode 100644
index 000000000..5fe7dc7a5
--- /dev/null
+++ b/node_modules/har-schema/lib/timings.json
@@ -0,0 +1,42 @@
+{
+  "$id": "timings.json#",
+  "$schema": "http://json-schema.org/draft-06/schema#",
+  "required": [
+    "send",
+    "wait",
+    "receive"
+  ],
+  "properties": {
+    "dns": {
+      "type": "number",
+      "min": -1
+    },
+    "connect": {
+      "type": "number",
+      "min": -1
+    },
+    "blocked": {
+      "type": "number",
+      "min": -1
+    },
+    "send": {
+      "type": "number",
+      "min": -1
+    },
+    "wait": {
+      "type": "number",
+      "min": -1
+    },
+    "receive": {
+      "type": "number",
+      "min": -1
+    },
+    "ssl": {
+      "type": "number",
+      "min": -1
+    },
+    "comment": {
+      "type": "string"
+    }
+  }
+}
diff --git a/node_modules/har-schema/package.json b/node_modules/har-schema/package.json
new file mode 100644
index 000000000..d14650bd7
--- /dev/null
+++ b/node_modules/har-schema/package.json
@@ -0,0 +1,54 @@
+{
+  "version": "2.0.0",
+  "name": "har-schema",
+  "description": "JSON Schema for HTTP Archive (HAR)",
+  "author": "Ahmad Nassri <ahmad@ahmadnassri.com> (https://www.ahmadnassri.com/)",
+  "contributors": [
+    "Evgeny Poberezkin <e.poberezkin@me.com>"
+  ],
+  "homepage": "https://github.com/ahmadnassri/har-schema",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/ahmadnassri/har-schema.git"
+  },
+  "license": "ISC",
+  "main": "lib/index.js",
+  "keywords": [
+    "har",
+    "http",
+    "archive",
+    "JSON",
+    "schema",
+    "JSON-schema"
+  ],
+  "engines": {
+    "node": ">=4"
+  },
+  "files": [
+    "lib"
+  ],
+  "bugs": {
+    "url": "https://github.com/ahmadnassri/har-schema/issues"
+  },
+  "scripts": {
+    "test": "tap test --reporter spec",
+    "pretest": "snazzy && echint",
+    "coverage": "tap test --reporter silent --coverage",
+    "codeclimate": "tap --coverage-report=text-lcov | codeclimate-test-reporter",
+    "semantic-release": "semantic-release pre && npm publish && semantic-release post"
+  },
+  "config": {
+    "commitizen": {
+      "path": "./node_modules/cz-conventional-changelog"
+    }
+  },
+  "devDependencies": {
+    "ajv": "^5.0.0",
+    "codeclimate-test-reporter": "^0.4.0",
+    "cz-conventional-changelog": "^1.2.0",
+    "echint": "^2.1.0",
+    "semantic-release": "^6.3.2",
+    "snazzy": "^5.0.0",
+    "tap": "^8.0.1"
+  }
+}
\ No newline at end of file
diff --git a/node_modules/har-validator/LICENSE b/node_modules/har-validator/LICENSE
new file mode 100644
index 000000000..a54526625
--- /dev/null
+++ b/node_modules/har-validator/LICENSE
@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) 2018 Ahmad Nassri <ahmad@ahmadnassri.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/har-validator/README.md b/node_modules/har-validator/README.md
new file mode 100644
index 000000000..ea944cc5c
--- /dev/null
+++ b/node_modules/har-validator/README.md
@@ -0,0 +1,43 @@
+# HAR Validator
+
+[![license][license-img]][license-url]
+[![version][npm-img]][npm-url]
+[![super linter][super-linter-img]][super-linter-url]
+[![test][test-img]][test-url]
+[![release][release-img]][release-url]
+
+[license-url]: LICENSE
+[license-img]: https://badgen.net/github/license/ahmadnassri/node-har-validator
+
+[npm-url]: https://www.npmjs.com/package/har-validator
+[npm-img]: https://badgen.net/npm/v/har-validator
+
+[super-linter-url]: https://github.com/ahmadnassri/node-har-validator/actions?query=workflow%3Asuper-linter
+[super-linter-img]: https://github.com/ahmadnassri/node-har-validator/workflows/super-linter/badge.svg
+
+[test-url]: https://github.com/ahmadnassri/node-har-validator/actions?query=workflow%3Atest
+[test-img]: https://github.com/ahmadnassri/node-har-validator/workflows/test/badge.svg
+
+[release-url]: https://github.com/ahmadnassri/node-har-validator/actions?query=workflow%3Arelease
+[release-img]: https://github.com/ahmadnassri/node-har-validator/workflows/release/badge.svg
+
+> Extremely fast HTTP Archive ([HAR](https://github.com/ahmadnassri/har-spec/blob/master/versions/1.2.md)) validator using JSON Schema.
+
+## Install
+
+```bash
+npm install har-validator
+```
+
+## CLI Usage
+
+Please refer to [`har-cli`](https://github.com/ahmadnassri/har-cli) for more info.
+
+## API
+
+**Note**: as of [`v2.0.0`](https://github.com/ahmadnassri/node-har-validator/releases/tag/v2.0.0) this module defaults to Promise based API.
+_For backward compatibility with `v1.x` an [async/callback API](docs/async.md) is also provided_
+
+- [async API](docs/async.md)
+- [callback API](docs/async.md)
+- [Promise API](docs/promise.md) _(default)_
diff --git a/node_modules/har-validator/lib/async.js b/node_modules/har-validator/lib/async.js
new file mode 100644
index 000000000..90701f253
--- /dev/null
+++ b/node_modules/har-validator/lib/async.js
@@ -0,0 +1,105 @@
+var Ajv = require('ajv')
+var HARError = require('./error')
+var schemas = require('har-schema')
+
+var ajv
+
+function createAjvInstance () {
+  var ajv = new Ajv({
+    allErrors: true
+  })
+  ajv.addMetaSchema(require('ajv/lib/refs/json-schema-draft-06.json'))
+  ajv.addSchema(schemas)
+
+  return ajv
+}
+
+function validate (name, data, next) {
+  data = data || {}
+
+  // validator config
+  ajv = ajv || createAjvInstance()
+
+  var validate = ajv.getSchema(name + '.json')
+
+  var valid = validate(data)
+
+  // callback?
+  if (typeof next === 'function') {
+    return next(!valid ? new HARError(validate.errors) : null, valid)
+  }
+
+  return valid
+}
+
+exports.afterRequest = function (data, next) {
+  return validate('afterRequest', data, next)
+}
+
+exports.beforeRequest = function (data, next) {
+  return validate('beforeRequest', data, next)
+}
+
+exports.browser = function (data, next) {
+  return validate('browser', data, next)
+}
+
+exports.cache = function (data, next) {
+  return validate('cache', data, next)
+}
+
+exports.content = function (data, next) {
+  return validate('content', data, next)
+}
+
+exports.cookie = function (data, next) {
+  return validate('cookie', data, next)
+}
+
+exports.creator = function (data, next) {
+  return validate('creator', data, next)
+}
+
+exports.entry = function (data, next) {
+  return validate('entry', data, next)
+}
+
+exports.har = function (data, next) {
+  return validate('har', data, next)
+}
+
+exports.header = function (data, next) {
+  return validate('header', data, next)
+}
+
+exports.log = function (data, next) {
+  return validate('log', data, next)
+}
+
+exports.page = function (data, next) {
+  return validate('page', data, next)
+}
+
+exports.pageTimings = function (data, next) {
+  return validate('pageTimings', data, next)
+}
+
+exports.postData = function (data, next) {
+  return validate('postData', data, next)
+}
+
+exports.query = function (data, next) {
+  return validate('query', data, next)
+}
+
+exports.request = function (data, next) {
+  return validate('request', data, next)
+}
+
+exports.response = function (data, next) {
+  return validate('response', data, next)
+}
+
+exports.timings = function (data, next) {
+  return validate('timings', data, next)
+}
diff --git a/node_modules/har-validator/lib/error.js b/node_modules/har-validator/lib/error.js
new file mode 100644
index 000000000..f2618dc4f
--- /dev/null
+++ b/node_modules/har-validator/lib/error.js
@@ -0,0 +1,17 @@
+function HARError (errors) {
+  var message = 'validation failed'
+
+  this.name = 'HARError'
+  this.message = message
+  this.errors = errors
+
+  if (typeof Error.captureStackTrace === 'function') {
+    Error.captureStackTrace(this, this.constructor)
+  } else {
+    this.stack = (new Error(message)).stack
+  }
+}
+
+HARError.prototype = Error.prototype
+
+module.exports = HARError
diff --git a/node_modules/har-validator/lib/promise.js b/node_modules/har-validator/lib/promise.js
new file mode 100644
index 000000000..46f464797
--- /dev/null
+++ b/node_modules/har-validator/lib/promise.js
@@ -0,0 +1,102 @@
+var Ajv = require('ajv')
+var HARError = require('./error')
+var schemas = require('har-schema')
+
+var ajv
+
+function createAjvInstance () {
+  var ajv = new Ajv({
+    allErrors: true
+  })
+  ajv.addMetaSchema(require('ajv/lib/refs/json-schema-draft-06.json'))
+  ajv.addSchema(schemas)
+
+  return ajv
+}
+
+function validate (name, data) {
+  data = data || {}
+
+  // validator config
+  ajv = ajv || createAjvInstance()
+
+  var validate = ajv.getSchema(name + '.json')
+
+  return new Promise(function (resolve, reject) {
+    var valid = validate(data)
+
+    !valid ? reject(new HARError(validate.errors)) : resolve(data)
+  })
+}
+
+exports.afterRequest = function (data) {
+  return validate('afterRequest', data)
+}
+
+exports.beforeRequest = function (data) {
+  return validate('beforeRequest', data)
+}
+
+exports.browser = function (data) {
+  return validate('browser', data)
+}
+
+exports.cache = function (data) {
+  return validate('cache', data)
+}
+
+exports.content = function (data) {
+  return validate('content', data)
+}
+
+exports.cookie = function (data) {
+  return validate('cookie', data)
+}
+
+exports.creator = function (data) {
+  return validate('creator', data)
+}
+
+exports.entry = function (data) {
+  return validate('entry', data)
+}
+
+exports.har = function (data) {
+  return validate('har', data)
+}
+
+exports.header = function (data) {
+  return validate('header', data)
+}
+
+exports.log = function (data) {
+  return validate('log', data)
+}
+
+exports.page = function (data) {
+  return validate('page', data)
+}
+
+exports.pageTimings = function (data) {
+  return validate('pageTimings', data)
+}
+
+exports.postData = function (data) {
+  return validate('postData', data)
+}
+
+exports.query = function (data) {
+  return validate('query', data)
+}
+
+exports.request = function (data) {
+  return validate('request', data)
+}
+
+exports.response = function (data) {
+  return validate('response', data)
+}
+
+exports.timings = function (data) {
+  return validate('timings', data)
+}
diff --git a/node_modules/har-validator/package.json b/node_modules/har-validator/package.json
new file mode 100644
index 000000000..8d1eed179
--- /dev/null
+++ b/node_modules/har-validator/package.json
@@ -0,0 +1,43 @@
+{
+  "version": "5.1.5",
+  "name": "har-validator",
+  "description": "Extremely fast HTTP Archive (HAR) validator using JSON Schema",
+  "author": "Ahmad Nassri <ahmad@ahmadnassri.com> (https://www.ahmadnassri.com/)",
+  "homepage": "https://github.com/ahmadnassri/node-har-validator",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/ahmadnassri/node-har-validator.git"
+  },
+  "license": "MIT",
+  "main": "lib/promise.js",
+  "keywords": [
+    "har",
+    "cli",
+    "ajv",
+    "http",
+    "archive",
+    "validate",
+    "validator"
+  ],
+  "engines": {
+    "node": ">=6"
+  },
+  "files": [
+    "lib"
+  ],
+  "bugs": {
+    "url": "https://github.com/ahmadnassri/node-har-validator/issues"
+  },
+  "scripts": {
+    "lint": "npx run-p lint:*",
+    "test": "tap test --no-coverage",
+    "test:coverage": "tap test --coverage-report=lcov --no-browser"
+  },
+  "devDependencies": {
+    "tap": "^14.10.8"
+  },
+  "dependencies": {
+    "ajv": "^6.12.3",
+    "har-schema": "^2.0.0"
+  }
+}
diff --git a/node_modules/has-symbols/.eslintrc b/node_modules/has-symbols/.eslintrc
new file mode 100644
index 000000000..2d9a66a8a
--- /dev/null
+++ b/node_modules/has-symbols/.eslintrc
@@ -0,0 +1,11 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"max-statements-per-line": [2, { "max": 2 }],
+		"no-magic-numbers": 0,
+		"multiline-comment-style": 0,
+	}
+}
diff --git a/node_modules/has-symbols/.github/FUNDING.yml b/node_modules/has-symbols/.github/FUNDING.yml
new file mode 100644
index 000000000..04cf87e66
--- /dev/null
+++ b/node_modules/has-symbols/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/has-symbols
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/has-symbols/.nycrc b/node_modules/has-symbols/.nycrc
new file mode 100644
index 000000000..bdd626ce9
--- /dev/null
+++ b/node_modules/has-symbols/.nycrc
@@ -0,0 +1,9 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/has-symbols/CHANGELOG.md b/node_modules/has-symbols/CHANGELOG.md
new file mode 100644
index 000000000..cd532a2b4
--- /dev/null
+++ b/node_modules/has-symbols/CHANGELOG.md
@@ -0,0 +1,75 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.3](https://github.com/inspect-js/has-symbols/compare/v1.0.2...v1.0.3) - 2022-03-01
+
+### Commits
+
+- [actions] use `node/install` instead of `node/run`; use `codecov` action [`518b28f`](https://github.com/inspect-js/has-symbols/commit/518b28f6c5a516cbccae30794e40aa9f738b1693)
+- [meta] add `bugs` and `homepage` fields; reorder package.json [`c480b13`](https://github.com/inspect-js/has-symbols/commit/c480b13fd6802b557e1cef9749872cb5fdeef744)
+- [actions] reuse common workflows [`01d0ee0`](https://github.com/inspect-js/has-symbols/commit/01d0ee0a8d97c0947f5edb73eb722027a77b2b07)
+- [actions] update codecov uploader [`6424ebe`](https://github.com/inspect-js/has-symbols/commit/6424ebe86b2c9c7c3d2e9bd4413a4e4f168cb275)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`dfa7e7f`](https://github.com/inspect-js/has-symbols/commit/dfa7e7ff38b594645d8c8222aab895157fa7e282)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `tape` [`0c8d436`](https://github.com/inspect-js/has-symbols/commit/0c8d43685c45189cea9018191d4fd7eca91c9d02)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`9026554`](https://github.com/inspect-js/has-symbols/commit/902655442a1bf88e72b42345494ef0c60f5d36ab)
+- [readme] add actions and codecov badges [`eaa9682`](https://github.com/inspect-js/has-symbols/commit/eaa9682f990f481d3acf7a1c7600bec36f7b3adc)
+- [Dev Deps] update `eslint`, `tape` [`bc7a3ba`](https://github.com/inspect-js/has-symbols/commit/bc7a3ba46f27b7743f8a2579732d59d1b9ac791e)
+- [Dev Deps] update `eslint`, `auto-changelog` [`0ace00a`](https://github.com/inspect-js/has-symbols/commit/0ace00af08a88cdd1e6ce0d60357d941c60c2d9f)
+- [meta] use `prepublishOnly` script for npm 7+ [`093f72b`](https://github.com/inspect-js/has-symbols/commit/093f72bc2b0ed00c781f444922a5034257bf561d)
+- [Tests] test on all 16 minors [`9b80d3d`](https://github.com/inspect-js/has-symbols/commit/9b80d3d9102529f04c20ec5b1fcc6e38426c6b03)
+
+## [v1.0.2](https://github.com/inspect-js/has-symbols/compare/v1.0.1...v1.0.2) - 2021-02-27
+
+### Fixed
+
+- [Fix] use a universal way to get the original Symbol [`#11`](https://github.com/inspect-js/has-symbols/issues/11)
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`90ae798`](https://github.com/inspect-js/has-symbols/commit/90ae79820bdfe7bc703d67f5f3c5e205f98556d3)
+- [meta] do not publish github action workflow files [`29e60a1`](https://github.com/inspect-js/has-symbols/commit/29e60a1b7c25c7f1acf7acff4a9320d0d10c49b4)
+- [Tests] run `nyc` on all tests [`8476b91`](https://github.com/inspect-js/has-symbols/commit/8476b915650d360915abe2522505abf4b0e8f0ae)
+- [readme] fix repo URLs, remove defunct badges [`126288e`](https://github.com/inspect-js/has-symbols/commit/126288ecc1797c0a40247a6b78bcb2e0bc5d7036)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `core-js`, `get-own-property-symbols` [`d84bdfa`](https://github.com/inspect-js/has-symbols/commit/d84bdfa48ac5188abbb4904b42614cd6c030940a)
+- [Tests] fix linting errors [`0df3070`](https://github.com/inspect-js/has-symbols/commit/0df3070b981b6c9f2ee530c09189a7f5c6def839)
+- [actions] add "Allow Edits" workflow [`1e6bc29`](https://github.com/inspect-js/has-symbols/commit/1e6bc29b188f32b9648657b07eda08504be5aa9c)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`36cea2a`](https://github.com/inspect-js/has-symbols/commit/36cea2addd4e6ec435f35a2656b4e9ef82498e9b)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`1278338`](https://github.com/inspect-js/has-symbols/commit/127833801865fbc2cc8979beb9ca869c7bfe8222)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`1493254`](https://github.com/inspect-js/has-symbols/commit/1493254eda13db5fb8fc5e4a3e8324b3d196029d)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js` [`b090bf2`](https://github.com/inspect-js/has-symbols/commit/b090bf214d3679a30edc1e2d729d466ab5183e1d)
+- [actions] switch Automatic Rebase workflow to `pull_request_target` event [`4addb7a`](https://github.com/inspect-js/has-symbols/commit/4addb7ab4dc73f927ae99928d68817554fc21dc0)
+- [Dev Deps] update `auto-changelog`, `tape` [`81d0baf`](https://github.com/inspect-js/has-symbols/commit/81d0baf3816096a89a8558e8043895f7a7d10d8b)
+- [Dev Deps] update `auto-changelog`; add `aud` [`1a4e561`](https://github.com/inspect-js/has-symbols/commit/1a4e5612c25d91c3a03d509721d02630bc4fe3da)
+- [readme] remove unused testling URLs [`3000941`](https://github.com/inspect-js/has-symbols/commit/3000941f958046e923ed8152edb1ef4a599e6fcc)
+- [Tests] only audit prod deps [`692e974`](https://github.com/inspect-js/has-symbols/commit/692e9743c912410e9440207631a643a34b4741a1)
+- [Dev Deps] update `@ljharb/eslint-config` [`51c946c`](https://github.com/inspect-js/has-symbols/commit/51c946c7f6baa793ec5390bb5a45cdce16b4ba76)
+
+## [v1.0.1](https://github.com/inspect-js/has-symbols/compare/v1.0.0...v1.0.1) - 2019-11-16
+
+### Commits
+
+- [Tests] use shared travis-ci configs [`ce396c9`](https://github.com/inspect-js/has-symbols/commit/ce396c9419ff11c43d0da5d05cdbb79f7fb42229)
+- [Tests] up to `node` `v12.4`, `v11.15`, `v10.15`, `v9.11`, `v8.15`, `v7.10`, `v6.17`, `v4.9`; use `nvm install-latest-npm` [`0690732`](https://github.com/inspect-js/has-symbols/commit/0690732801f47ab429f39ba1962f522d5c462d6b)
+- [meta] add `auto-changelog` [`2163d0b`](https://github.com/inspect-js/has-symbols/commit/2163d0b7f36343076b8f947cd1667dd1750f26fc)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js`, `safe-publish-latest`, `tape` [`8e0951f`](https://github.com/inspect-js/has-symbols/commit/8e0951f1a7a2e52068222b7bb73511761e6e4d9c)
+- [actions] add automatic rebasing / merge commit blocking [`b09cdb7`](https://github.com/inspect-js/has-symbols/commit/b09cdb7cd7ee39e7a769878f56e2d6066f5ccd1d)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `core-js`, `get-own-property-symbols`, `tape` [`1dd42cd`](https://github.com/inspect-js/has-symbols/commit/1dd42cd86183ed0c50f99b1062345c458babca91)
+- [meta] create FUNDING.yml [`aa57a17`](https://github.com/inspect-js/has-symbols/commit/aa57a17b19708906d1927f821ea8e73394d84ca4)
+- Only apps should have lockfiles [`a2d8bea`](https://github.com/inspect-js/has-symbols/commit/a2d8bea23a97d15c09eaf60f5b107fcf9a4d57aa)
+- [Tests] use `npx aud` instead of `nsp` or `npm audit` with hoops [`9e96cb7`](https://github.com/inspect-js/has-symbols/commit/9e96cb783746cbed0c10ef78e599a8eaa7ebe193)
+- [meta] add `funding` field [`a0b32cf`](https://github.com/inspect-js/has-symbols/commit/a0b32cf68e803f963c1639b6d47b0a9d6440bab0)
+- [Dev Deps] update `safe-publish-latest` [`cb9f0a5`](https://github.com/inspect-js/has-symbols/commit/cb9f0a521a3a1790f1064d437edd33bb6c3d6af0)
+
+## v1.0.0 - 2016-09-19
+
+### Commits
+
+- Tests. [`ecb6eb9`](https://github.com/inspect-js/has-symbols/commit/ecb6eb934e4883137f3f93b965ba5e0a98df430d)
+- package.json [`88a337c`](https://github.com/inspect-js/has-symbols/commit/88a337cee0864a0da35f5d19e69ff0ef0150e46a)
+- Initial commit [`42e1e55`](https://github.com/inspect-js/has-symbols/commit/42e1e5502536a2b8ac529c9443984acd14836b1c)
+- Initial implementation. [`33f5cc6`](https://github.com/inspect-js/has-symbols/commit/33f5cc6cdff86e2194b081ee842bfdc63caf43fb)
+- read me [`01f1170`](https://github.com/inspect-js/has-symbols/commit/01f1170188ff7cb1558aa297f6ba5b516c6d7b0c)
diff --git a/node_modules/has-symbols/LICENSE b/node_modules/has-symbols/LICENSE
new file mode 100644
index 000000000..df31cbf3c
--- /dev/null
+++ b/node_modules/has-symbols/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2016 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/has-symbols/README.md b/node_modules/has-symbols/README.md
new file mode 100644
index 000000000..33905f0fc
--- /dev/null
+++ b/node_modules/has-symbols/README.md
@@ -0,0 +1,46 @@
+# has-symbols <sup>[![Version Badge][2]][1]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][5]][6]
+[![dev dependency status][7]][8]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][11]][1]
+
+Determine if the JS environment has Symbol support. Supports spec, or shams.
+
+## Example
+
+```js
+var hasSymbols = require('has-symbols');
+
+hasSymbols() === true; // if the environment has native Symbol support. Not polyfillable, not forgeable.
+
+var hasSymbolsKinda = require('has-symbols/shams');
+hasSymbolsKinda() === true; // if the environment has a Symbol sham that mostly follows the spec.
+```
+
+## Supported Symbol shams
+ - get-own-property-symbols [npm](https://www.npmjs.com/package/get-own-property-symbols) | [github](https://github.com/WebReflection/get-own-property-symbols)
+ - core-js [npm](https://www.npmjs.com/package/core-js) | [github](https://github.com/zloirock/core-js)
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[1]: https://npmjs.org/package/has-symbols
+[2]: https://versionbadg.es/inspect-js/has-symbols.svg
+[5]: https://david-dm.org/inspect-js/has-symbols.svg
+[6]: https://david-dm.org/inspect-js/has-symbols
+[7]: https://david-dm.org/inspect-js/has-symbols/dev-status.svg
+[8]: https://david-dm.org/inspect-js/has-symbols#info=devDependencies
+[11]: https://nodei.co/npm/has-symbols.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/has-symbols.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/has-symbols.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=has-symbols
+[codecov-image]: https://codecov.io/gh/inspect-js/has-symbols/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/has-symbols/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/has-symbols
+[actions-url]: https://github.com/inspect-js/has-symbols/actions
diff --git a/node_modules/has-symbols/index.js b/node_modules/has-symbols/index.js
new file mode 100644
index 000000000..17044fa21
--- /dev/null
+++ b/node_modules/has-symbols/index.js
@@ -0,0 +1,13 @@
+'use strict';
+
+var origSymbol = typeof Symbol !== 'undefined' && Symbol;
+var hasSymbolSham = require('./shams');
+
+module.exports = function hasNativeSymbols() {
+	if (typeof origSymbol !== 'function') { return false; }
+	if (typeof Symbol !== 'function') { return false; }
+	if (typeof origSymbol('foo') !== 'symbol') { return false; }
+	if (typeof Symbol('bar') !== 'symbol') { return false; }
+
+	return hasSymbolSham();
+};
diff --git a/node_modules/has-symbols/package.json b/node_modules/has-symbols/package.json
new file mode 100644
index 000000000..fe7004a10
--- /dev/null
+++ b/node_modules/has-symbols/package.json
@@ -0,0 +1,101 @@
+{
+	"name": "has-symbols",
+	"version": "1.0.3",
+	"description": "Determine if the JS environment has Symbol support. Supports spec, or shams.",
+	"main": "index.js",
+	"scripts": {
+		"prepublishOnly": "safe-publish-latest",
+		"prepublish": "not-in-publish || npm run prepublishOnly",
+		"pretest": "npm run --silent lint",
+		"test": "npm run tests-only",
+		"posttest": "aud --production",
+		"tests-only": "npm run test:stock && npm run test:staging && npm run test:shams",
+		"test:stock": "nyc node test",
+		"test:staging": "nyc node --harmony --es-staging test",
+		"test:shams": "npm run --silent test:shams:getownpropertysymbols && npm run --silent test:shams:corejs",
+		"test:shams:corejs": "nyc node test/shams/core-js.js",
+		"test:shams:getownpropertysymbols": "nyc node test/shams/get-own-property-symbols.js",
+		"lint": "eslint --ext=js,mjs .",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git://github.com/inspect-js/has-symbols.git"
+	},
+	"keywords": [
+		"Symbol",
+		"symbols",
+		"typeof",
+		"sham",
+		"polyfill",
+		"native",
+		"core-js",
+		"ES6"
+	],
+	"author": {
+		"name": "Jordan Harband",
+		"email": "ljharb@gmail.com",
+		"url": "http://ljharb.codes"
+	},
+	"contributors": [
+		{
+			"name": "Jordan Harband",
+			"email": "ljharb@gmail.com",
+			"url": "http://ljharb.codes"
+		}
+	],
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/has-symbols/issues"
+	},
+	"homepage": "https://github.com/ljharb/has-symbols#readme",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^20.2.3",
+		"aud": "^2.0.0",
+		"auto-changelog": "^2.4.0",
+		"core-js": "^2.6.12",
+		"eslint": "=8.8.0",
+		"get-own-property-symbols": "^0.9.5",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^2.0.0",
+		"tape": "^5.5.2"
+	},
+	"testling": {
+		"files": "test/index.js",
+		"browsers": [
+			"iexplore/6.0..latest",
+			"firefox/3.0..6.0",
+			"firefox/15.0..latest",
+			"firefox/nightly",
+			"chrome/4.0..10.0",
+			"chrome/20.0..latest",
+			"chrome/canary",
+			"opera/10.0..latest",
+			"opera/next",
+			"safari/4.0..latest",
+			"ipad/6.0..latest",
+			"iphone/6.0..latest",
+			"android-browser/4.2"
+		]
+	},
+	"engines": {
+		"node": ">= 0.4"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	},
+	"greenkeeper": {
+		"ignore": [
+			"core-js"
+		]
+	}
+}
diff --git a/node_modules/has-symbols/shams.js b/node_modules/has-symbols/shams.js
new file mode 100644
index 000000000..1285210ef
--- /dev/null
+++ b/node_modules/has-symbols/shams.js
@@ -0,0 +1,42 @@
+'use strict';
+
+/* eslint complexity: [2, 18], max-statements: [2, 33] */
+module.exports = function hasSymbols() {
+	if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; }
+	if (typeof Symbol.iterator === 'symbol') { return true; }
+
+	var obj = {};
+	var sym = Symbol('test');
+	var symObj = Object(sym);
+	if (typeof sym === 'string') { return false; }
+
+	if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; }
+	if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; }
+
+	// temp disabled per https://github.com/ljharb/object.assign/issues/17
+	// if (sym instanceof Symbol) { return false; }
+	// temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4
+	// if (!(symObj instanceof Symbol)) { return false; }
+
+	// if (typeof Symbol.prototype.toString !== 'function') { return false; }
+	// if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; }
+
+	var symVal = 42;
+	obj[sym] = symVal;
+	for (sym in obj) { return false; } // eslint-disable-line no-restricted-syntax, no-unreachable-loop
+	if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; }
+
+	if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; }
+
+	var syms = Object.getOwnPropertySymbols(obj);
+	if (syms.length !== 1 || syms[0] !== sym) { return false; }
+
+	if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; }
+
+	if (typeof Object.getOwnPropertyDescriptor === 'function') {
+		var descriptor = Object.getOwnPropertyDescriptor(obj, sym);
+		if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; }
+	}
+
+	return true;
+};
diff --git a/node_modules/has-symbols/test/index.js b/node_modules/has-symbols/test/index.js
new file mode 100644
index 000000000..352129ca3
--- /dev/null
+++ b/node_modules/has-symbols/test/index.js
@@ -0,0 +1,22 @@
+'use strict';
+
+var test = require('tape');
+var hasSymbols = require('../');
+var runSymbolTests = require('./tests');
+
+test('interface', function (t) {
+	t.equal(typeof hasSymbols, 'function', 'is a function');
+	t.equal(typeof hasSymbols(), 'boolean', 'returns a boolean');
+	t.end();
+});
+
+test('Symbols are supported', { skip: !hasSymbols() }, function (t) {
+	runSymbolTests(t);
+	t.end();
+});
+
+test('Symbols are not supported', { skip: hasSymbols() }, function (t) {
+	t.equal(typeof Symbol, 'undefined', 'global Symbol is undefined');
+	t.equal(typeof Object.getOwnPropertySymbols, 'undefined', 'Object.getOwnPropertySymbols does not exist');
+	t.end();
+});
diff --git a/node_modules/has-symbols/test/shams/core-js.js b/node_modules/has-symbols/test/shams/core-js.js
new file mode 100644
index 000000000..df5365c23
--- /dev/null
+++ b/node_modules/has-symbols/test/shams/core-js.js
@@ -0,0 +1,28 @@
+'use strict';
+
+var test = require('tape');
+
+if (typeof Symbol === 'function' && typeof Symbol() === 'symbol') {
+	test('has native Symbol support', function (t) {
+		t.equal(typeof Symbol, 'function');
+		t.equal(typeof Symbol(), 'symbol');
+		t.end();
+	});
+	return;
+}
+
+var hasSymbols = require('../../shams');
+
+test('polyfilled Symbols', function (t) {
+	/* eslint-disable global-require */
+	t.equal(hasSymbols(), false, 'hasSymbols is false before polyfilling');
+	require('core-js/fn/symbol');
+	require('core-js/fn/symbol/to-string-tag');
+
+	require('../tests')(t);
+
+	var hasSymbolsAfter = hasSymbols();
+	t.equal(hasSymbolsAfter, true, 'hasSymbols is true after polyfilling');
+	/* eslint-enable global-require */
+	t.end();
+});
diff --git a/node_modules/has-symbols/test/shams/get-own-property-symbols.js b/node_modules/has-symbols/test/shams/get-own-property-symbols.js
new file mode 100644
index 000000000..9191b248b
--- /dev/null
+++ b/node_modules/has-symbols/test/shams/get-own-property-symbols.js
@@ -0,0 +1,28 @@
+'use strict';
+
+var test = require('tape');
+
+if (typeof Symbol === 'function' && typeof Symbol() === 'symbol') {
+	test('has native Symbol support', function (t) {
+		t.equal(typeof Symbol, 'function');
+		t.equal(typeof Symbol(), 'symbol');
+		t.end();
+	});
+	return;
+}
+
+var hasSymbols = require('../../shams');
+
+test('polyfilled Symbols', function (t) {
+	/* eslint-disable global-require */
+	t.equal(hasSymbols(), false, 'hasSymbols is false before polyfilling');
+
+	require('get-own-property-symbols');
+
+	require('../tests')(t);
+
+	var hasSymbolsAfter = hasSymbols();
+	t.equal(hasSymbolsAfter, true, 'hasSymbols is true after polyfilling');
+	/* eslint-enable global-require */
+	t.end();
+});
diff --git a/node_modules/has-symbols/test/tests.js b/node_modules/has-symbols/test/tests.js
new file mode 100644
index 000000000..89edd1291
--- /dev/null
+++ b/node_modules/has-symbols/test/tests.js
@@ -0,0 +1,56 @@
+'use strict';
+
+// eslint-disable-next-line consistent-return
+module.exports = function runSymbolTests(t) {
+	t.equal(typeof Symbol, 'function', 'global Symbol is a function');
+
+	if (typeof Symbol !== 'function') { return false; }
+
+	t.notEqual(Symbol(), Symbol(), 'two symbols are not equal');
+
+	/*
+	t.equal(
+		Symbol.prototype.toString.call(Symbol('foo')),
+		Symbol.prototype.toString.call(Symbol('foo')),
+		'two symbols with the same description stringify the same'
+	);
+	*/
+
+	/*
+	var foo = Symbol('foo');
+
+	t.notEqual(
+		String(foo),
+		String(Symbol('bar')),
+		'two symbols with different descriptions do not stringify the same'
+	);
+	*/
+
+	t.equal(typeof Symbol.prototype.toString, 'function', 'Symbol#toString is a function');
+	// t.equal(String(foo), Symbol.prototype.toString.call(foo), 'Symbol#toString equals String of the same symbol');
+
+	t.equal(typeof Object.getOwnPropertySymbols, 'function', 'Object.getOwnPropertySymbols is a function');
+
+	var obj = {};
+	var sym = Symbol('test');
+	var symObj = Object(sym);
+	t.notEqual(typeof sym, 'string', 'Symbol is not a string');
+	t.equal(Object.prototype.toString.call(sym), '[object Symbol]', 'symbol primitive Object#toStrings properly');
+	t.equal(Object.prototype.toString.call(symObj), '[object Symbol]', 'symbol primitive Object#toStrings properly');
+
+	var symVal = 42;
+	obj[sym] = symVal;
+	// eslint-disable-next-line no-restricted-syntax
+	for (sym in obj) { t.fail('symbol property key was found in for..in of object'); }
+
+	t.deepEqual(Object.keys(obj), [], 'no enumerable own keys on symbol-valued object');
+	t.deepEqual(Object.getOwnPropertyNames(obj), [], 'no own names on symbol-valued object');
+	t.deepEqual(Object.getOwnPropertySymbols(obj), [sym], 'one own symbol on symbol-valued object');
+	t.equal(Object.prototype.propertyIsEnumerable.call(obj, sym), true, 'symbol is enumerable');
+	t.deepEqual(Object.getOwnPropertyDescriptor(obj, sym), {
+		configurable: true,
+		enumerable: true,
+		value: 42,
+		writable: true
+	}, 'property descriptor is correct');
+};
diff --git a/node_modules/has/LICENSE-MIT b/node_modules/has/LICENSE-MIT
new file mode 100644
index 000000000..ae7014d38
--- /dev/null
+++ b/node_modules/has/LICENSE-MIT
@@ -0,0 +1,22 @@
+Copyright (c) 2013 Thiago de Arruda
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/has/README.md b/node_modules/has/README.md
new file mode 100644
index 000000000..635e3a4ba
--- /dev/null
+++ b/node_modules/has/README.md
@@ -0,0 +1,18 @@
+# has
+
+> Object.prototype.hasOwnProperty.call shortcut
+
+## Installation
+
+```sh
+npm install --save has
+```
+
+## Usage
+
+```js
+var has = require('has');
+
+has({}, 'hasOwnProperty'); // false
+has(Object.prototype, 'hasOwnProperty'); // true
+```
diff --git a/node_modules/has/package.json b/node_modules/has/package.json
new file mode 100644
index 000000000..7c4592f16
--- /dev/null
+++ b/node_modules/has/package.json
@@ -0,0 +1,48 @@
+{
+  "name": "has",
+  "description": "Object.prototype.hasOwnProperty.call shortcut",
+  "version": "1.0.3",
+  "homepage": "https://github.com/tarruda/has",
+  "author": {
+    "name": "Thiago de Arruda",
+    "email": "tpadilha84@gmail.com"
+  },
+ "contributors": [
+    {
+      "name": "Jordan Harband",
+      "email": "ljharb@gmail.com",
+      "url": "http://ljharb.codes"
+    }
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/tarruda/has.git"
+  },
+  "bugs": {
+    "url": "https://github.com/tarruda/has/issues"
+  },
+  "license": "MIT",
+  "licenses": [
+    {
+      "type": "MIT",
+      "url": "https://github.com/tarruda/has/blob/master/LICENSE-MIT"
+    }
+  ],
+  "main": "./src",
+  "dependencies": {
+    "function-bind": "^1.1.1"
+  },
+  "devDependencies": {
+    "@ljharb/eslint-config": "^12.2.1",
+    "eslint": "^4.19.1",
+    "tape": "^4.9.0"
+  },
+  "engines": {
+    "node": ">= 0.4.0"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "pretest": "npm run lint",
+    "test": "tape test"
+  }
+}
diff --git a/node_modules/has/src/index.js b/node_modules/has/src/index.js
new file mode 100644
index 000000000..dd92dd909
--- /dev/null
+++ b/node_modules/has/src/index.js
@@ -0,0 +1,5 @@
+'use strict';
+
+var bind = require('function-bind');
+
+module.exports = bind.call(Function.call, Object.prototype.hasOwnProperty);
diff --git a/node_modules/has/test/index.js b/node_modules/has/test/index.js
new file mode 100644
index 000000000..43d480b2c
--- /dev/null
+++ b/node_modules/has/test/index.js
@@ -0,0 +1,10 @@
+'use strict';
+
+var test = require('tape');
+var has = require('../');
+
+test('has', function (t) {
+  t.equal(has({}, 'hasOwnProperty'), false, 'object literal does not have own property "hasOwnProperty"');
+  t.equal(has(Object.prototype, 'hasOwnProperty'), true, 'Object.prototype has own property "hasOwnProperty"');
+  t.end();
+});
diff --git a/node_modules/http-errors/HISTORY.md b/node_modules/http-errors/HISTORY.md
new file mode 100644
index 000000000..722868429
--- /dev/null
+++ b/node_modules/http-errors/HISTORY.md
@@ -0,0 +1,180 @@
+2.0.0 / 2021-12-17
+==================
+
+  * Drop support for Node.js 0.6
+  * Remove `I'mateapot` export; use `ImATeapot` instead
+  * Remove support for status being non-first argument
+  * Rename `UnorderedCollection` constructor to `TooEarly`
+  * deps: depd@2.0.0
+    - Replace internal `eval` usage with `Function` constructor
+    - Use instance methods on `process` to check for listeners
+  * deps: statuses@2.0.1
+    - Fix messaging casing of `418 I'm a Teapot`
+    - Remove code 306
+    - Rename `425 Unordered Collection` to standard `425 Too Early`
+
+2021-11-14 / 1.8.1
+==================
+
+  * deps: toidentifier@1.0.1
+
+2020-06-29 / 1.8.0
+==================
+
+  * Add `isHttpError` export to determine if value is an HTTP error
+  * deps: setprototypeof@1.2.0
+
+2019-06-24 / 1.7.3
+==================
+
+  * deps: inherits@2.0.4
+
+2019-02-18 / 1.7.2
+==================
+
+  * deps: setprototypeof@1.1.1
+
+2018-09-08 / 1.7.1
+==================
+
+  * Fix error creating objects in some environments
+
+2018-07-30 / 1.7.0
+==================
+
+  * Set constructor name when possible
+  * Use `toidentifier` module to make class names
+  * deps: statuses@'>= 1.5.0 < 2'
+
+2018-03-29 / 1.6.3
+==================
+
+  * deps: depd@~1.1.2
+    - perf: remove argument reassignment
+  * deps: setprototypeof@1.1.0
+  * deps: statuses@'>= 1.4.0 < 2'
+
+2017-08-04 / 1.6.2
+==================
+
+  * deps: depd@1.1.1
+    - Remove unnecessary `Buffer` loading
+
+2017-02-20 / 1.6.1
+==================
+
+  * deps: setprototypeof@1.0.3
+    - Fix shim for old browsers
+
+2017-02-14 / 1.6.0
+==================
+
+  * Accept custom 4xx and 5xx status codes in factory
+  * Add deprecation message to `"I'mateapot"` export
+  * Deprecate passing status code as anything except first argument in factory
+  * Deprecate using non-error status codes
+  * Make `message` property enumerable for `HttpError`s
+
+2016-11-16 / 1.5.1
+==================
+
+  * deps: inherits@2.0.3
+    - Fix issue loading in browser
+  * deps: setprototypeof@1.0.2
+  * deps: statuses@'>= 1.3.1 < 2'
+
+2016-05-18 / 1.5.0
+==================
+
+  * Support new code `421 Misdirected Request`
+  * Use `setprototypeof` module to replace `__proto__` setting
+  * deps: statuses@'>= 1.3.0 < 2'
+    - Add `421 Misdirected Request`
+    - perf: enable strict mode
+  * perf: enable strict mode
+
+2016-01-28 / 1.4.0
+==================
+
+  * Add `HttpError` export, for `err instanceof createError.HttpError`
+  * deps: inherits@2.0.1
+  * deps: statuses@'>= 1.2.1 < 2'
+    - Fix message for status 451
+    - Remove incorrect nginx status code
+
+2015-02-02 / 1.3.1
+==================
+
+  * Fix regression where status can be overwritten in `createError` `props`
+
+2015-02-01 / 1.3.0
+==================
+
+  * Construct errors using defined constructors from `createError`
+  * Fix error names that are not identifiers
+    - `createError["I'mateapot"]` is now `createError.ImATeapot`
+  * Set a meaningful `name` property on constructed errors
+
+2014-12-09 / 1.2.8
+==================
+
+  * Fix stack trace from exported function
+  * Remove `arguments.callee` usage
+
+2014-10-14 / 1.2.7
+==================
+
+  * Remove duplicate line
+
+2014-10-02 / 1.2.6
+==================
+
+  * Fix `expose` to be `true` for `ClientError` constructor
+
+2014-09-28 / 1.2.5
+==================
+
+  * deps: statuses@1
+
+2014-09-21 / 1.2.4
+==================
+
+  * Fix dependency version to work with old `npm`s
+
+2014-09-21 / 1.2.3
+==================
+
+  * deps: statuses@~1.1.0
+
+2014-09-21 / 1.2.2
+==================
+
+  * Fix publish error
+
+2014-09-21 / 1.2.1
+==================
+
+  * Support Node.js 0.6
+  * Use `inherits` instead of `util`
+
+2014-09-09 / 1.2.0
+==================
+
+  * Fix the way inheriting functions
+  * Support `expose` being provided in properties argument
+
+2014-09-08 / 1.1.0
+==================
+
+  * Default status to 500
+  * Support provided `error` to extend
+
+2014-09-08 / 1.0.1
+==================
+
+  * Fix accepting string message
+
+2014-09-08 / 1.0.0
+==================
+
+  * Initial release
diff --git a/node_modules/http-errors/LICENSE b/node_modules/http-errors/LICENSE
new file mode 100644
index 000000000..82af4df54
--- /dev/null
+++ b/node_modules/http-errors/LICENSE
@@ -0,0 +1,23 @@
+
+The MIT License (MIT)
+
+Copyright (c) 2014 Jonathan Ong me@jongleberry.com
+Copyright (c) 2016 Douglas Christopher Wilson doug@somethingdoug.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/http-errors/README.md b/node_modules/http-errors/README.md
new file mode 100644
index 000000000..a8b7330b0
--- /dev/null
+++ b/node_modules/http-errors/README.md
@@ -0,0 +1,169 @@
+# http-errors
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][node-url]
+[![Node.js Version][node-image]][node-url]
+[![Build Status][ci-image]][ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Create HTTP errors for Express, Koa, Connect, etc. with ease.
+
+## Install
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```console
+$ npm install http-errors
+```
+
+## Example
+
+```js
+var createError = require('http-errors')
+var express = require('express')
+var app = express()
+
+app.use(function (req, res, next) {
+  if (!req.user) return next(createError(401, 'Please login to view this page.'))
+  next()
+})
+```
+
+## API
+
+This is the current API, currently extracted from Koa and subject to change.
+
+### Error Properties
+
+- `expose` - can be used to signal if `message` should be sent to the client,
+  defaulting to `false` when `status` >= 500
+- `headers` - can be an object of header names to values to be sent to the
+  client, defaulting to `undefined`. When defined, the key names should all
+  be lower-cased
+- `message` - the traditional error message, which should be kept short and all
+  single line
+- `status` - the status code of the error, mirroring `statusCode` for general
+  compatibility
+- `statusCode` - the status code of the error, defaulting to `500`
+
+### createError([status], [message], [properties])
+
+Create a new error object with the given message `msg`.
+The error object inherits from `createError.HttpError`.
+
+```js
+var err = createError(404, 'This video does not exist!')
+```
+
+- `status: 500` - the status code as a number
+- `message` - the message of the error, defaulting to node's text for that status code.
+- `properties` - custom properties to attach to the object
+
+### createError([status], [error], [properties])
+
+Extend the given `error` object with `createError.HttpError`
+properties. This will not alter the inheritance of the given
+`error` object, and the modified `error` object is the
+return value.
+
+<!-- eslint-disable no-redeclare -->
+
+```js
+fs.readFile('foo.txt', function (err, buf) {
+  if (err) {
+    if (err.code === 'ENOENT') {
+      var httpError = createError(404, err, { expose: false })
+    } else {
+      var httpError = createError(500, err)
+    }
+  }
+})
+```
+
+- `status` - the status code as a number
+- `error` - the error object to extend
+- `properties` - custom properties to attach to the object
+
+### createError.isHttpError(val)
+
+Determine if the provided `val` is an `HttpError`. This will return `true`
+if the error inherits from the `HttpError` constructor of this module or
+matches the "duck type" for an error this module creates. All outputs from
+the `createError` factory will return `true` for this function, including
+if an non-`HttpError` was passed into the factory.
+
+### new createError\[code || name\](\[msg]\))
+
+Create a new error object with the given message `msg`.
+The error object inherits from `createError.HttpError`.
+
+```js
+var err = new createError.NotFound()
+```
+
+- `code` - the status code as a number
+- `name` - the name of the error as a "bumpy case", i.e. `NotFound` or `InternalServerError`.
+
+#### List of all constructors
+
+|Status Code|Constructor Name             |
+|-----------|-----------------------------|
+|400        |BadRequest                   |
+|401        |Unauthorized                 |
+|402        |PaymentRequired              |
+|403        |Forbidden                    |
+|404        |NotFound                     |
+|405        |MethodNotAllowed             |
+|406        |NotAcceptable                |
+|407        |ProxyAuthenticationRequired  |
+|408        |RequestTimeout               |
+|409        |Conflict                     |
+|410        |Gone                         |
+|411        |LengthRequired               |
+|412        |PreconditionFailed           |
+|413        |PayloadTooLarge              |
+|414        |URITooLong                   |
+|415        |UnsupportedMediaType         |
+|416        |RangeNotSatisfiable          |
+|417        |ExpectationFailed            |
+|418        |ImATeapot                    |
+|421        |MisdirectedRequest           |
+|422        |UnprocessableEntity          |
+|423        |Locked                       |
+|424        |FailedDependency             |
+|425        |TooEarly                     |
+|426        |UpgradeRequired              |
+|428        |PreconditionRequired         |
+|429        |TooManyRequests              |
+|431        |RequestHeaderFieldsTooLarge  |
+|451        |UnavailableForLegalReasons   |
+|500        |InternalServerError          |
+|501        |NotImplemented               |
+|502        |BadGateway                   |
+|503        |ServiceUnavailable           |
+|504        |GatewayTimeout               |
+|505        |HTTPVersionNotSupported      |
+|506        |VariantAlsoNegotiates        |
+|507        |InsufficientStorage          |
+|508        |LoopDetected                 |
+|509        |BandwidthLimitExceeded       |
+|510        |NotExtended                  |
+|511        |NetworkAuthenticationRequired|
+
+## License
+
+[MIT](LICENSE)
+
+[ci-image]: https://badgen.net/github/checks/jshttp/http-errors/master?label=ci
+[ci-url]: https://github.com/jshttp/http-errors/actions?query=workflow%3Aci
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/http-errors/master
+[coveralls-url]: https://coveralls.io/r/jshttp/http-errors?branch=master
+[node-image]: https://badgen.net/npm/node/http-errors
+[node-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/http-errors
+[npm-url]: https://npmjs.org/package/http-errors
+[npm-version-image]: https://badgen.net/npm/v/http-errors
+[travis-image]: https://badgen.net/travis/jshttp/http-errors/master
+[travis-url]: https://travis-ci.org/jshttp/http-errors
diff --git a/node_modules/http-errors/index.js b/node_modules/http-errors/index.js
new file mode 100644
index 000000000..c425f1ee9
--- /dev/null
+++ b/node_modules/http-errors/index.js
@@ -0,0 +1,289 @@
+/*!
+ * http-errors
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var deprecate = require('depd')('http-errors')
+var setPrototypeOf = require('setprototypeof')
+var statuses = require('statuses')
+var inherits = require('inherits')
+var toIdentifier = require('toidentifier')
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = createError
+module.exports.HttpError = createHttpErrorConstructor()
+module.exports.isHttpError = createIsHttpErrorFunction(module.exports.HttpError)
+
+// Populate exports for all constructors
+populateConstructorExports(module.exports, statuses.codes, module.exports.HttpError)
+
+/**
+ * Get the code class of a status code.
+ * @private
+ */
+
+function codeClass (status) {
+  return Number(String(status).charAt(0) + '00')
+}
+
+/**
+ * Create a new HTTP Error.
+ *
+ * @returns {Error}
+ * @public
+ */
+
+function createError () {
+  // so much arity going on ~_~
+  var err
+  var msg
+  var status = 500
+  var props = {}
+  for (var i = 0; i < arguments.length; i++) {
+    var arg = arguments[i]
+    var type = typeof arg
+    if (type === 'object' && arg instanceof Error) {
+      err = arg
+      status = err.status || err.statusCode || status
+    } else if (type === 'number' && i === 0) {
+      status = arg
+    } else if (type === 'string') {
+      msg = arg
+    } else if (type === 'object') {
+      props = arg
+    } else {
+      throw new TypeError('argument #' + (i + 1) + ' unsupported type ' + type)
+    }
+  }
+
+  if (typeof status === 'number' && (status < 400 || status >= 600)) {
+    deprecate('non-error status code; use only 4xx or 5xx status codes')
+  }
+
+  if (typeof status !== 'number' ||
+    (!statuses.message[status] && (status < 400 || status >= 600))) {
+    status = 500
+  }
+
+  // constructor
+  var HttpError = createError[status] || createError[codeClass(status)]
+
+  if (!err) {
+    // create error
+    err = HttpError
+      ? new HttpError(msg)
+      : new Error(msg || statuses.message[status])
+    Error.captureStackTrace(err, createError)
+  }
+
+  if (!HttpError || !(err instanceof HttpError) || err.status !== status) {
+    // add properties to generic error
+    err.expose = status < 500
+    err.status = err.statusCode = status
+  }
+
+  for (var key in props) {
+    if (key !== 'status' && key !== 'statusCode') {
+      err[key] = props[key]
+    }
+  }
+
+  return err
+}
+
+/**
+ * Create HTTP error abstract base class.
+ * @private
+ */
+
+function createHttpErrorConstructor () {
+  function HttpError () {
+    throw new TypeError('cannot construct abstract class')
+  }
+
+  inherits(HttpError, Error)
+
+  return HttpError
+}
+
+/**
+ * Create a constructor for a client error.
+ * @private
+ */
+
+function createClientErrorConstructor (HttpError, name, code) {
+  var className = toClassName(name)
+
+  function ClientError (message) {
+    // create the error object
+    var msg = message != null ? message : statuses.message[code]
+    var err = new Error(msg)
+
+    // capture a stack trace to the construction point
+    Error.captureStackTrace(err, ClientError)
+
+    // adjust the [[Prototype]]
+    setPrototypeOf(err, ClientError.prototype)
+
+    // redefine the error message
+    Object.defineProperty(err, 'message', {
+      enumerable: true,
+      configurable: true,
+      value: msg,
+      writable: true
+    })
+
+    // redefine the error name
+    Object.defineProperty(err, 'name', {
+      enumerable: false,
+      configurable: true,
+      value: className,
+      writable: true
+    })
+
+    return err
+  }
+
+  inherits(ClientError, HttpError)
+  nameFunc(ClientError, className)
+
+  ClientError.prototype.status = code
+  ClientError.prototype.statusCode = code
+  ClientError.prototype.expose = true
+
+  return ClientError
+}
+
+/**
+ * Create function to test is a value is a HttpError.
+ * @private
+ */
+
+function createIsHttpErrorFunction (HttpError) {
+  return function isHttpError (val) {
+    if (!val || typeof val !== 'object') {
+      return false
+    }
+
+    if (val instanceof HttpError) {
+      return true
+    }
+
+    return val instanceof Error &&
+      typeof val.expose === 'boolean' &&
+      typeof val.statusCode === 'number' && val.status === val.statusCode
+  }
+}
+
+/**
+ * Create a constructor for a server error.
+ * @private
+ */
+
+function createServerErrorConstructor (HttpError, name, code) {
+  var className = toClassName(name)
+
+  function ServerError (message) {
+    // create the error object
+    var msg = message != null ? message : statuses.message[code]
+    var err = new Error(msg)
+
+    // capture a stack trace to the construction point
+    Error.captureStackTrace(err, ServerError)
+
+    // adjust the [[Prototype]]
+    setPrototypeOf(err, ServerError.prototype)
+
+    // redefine the error message
+    Object.defineProperty(err, 'message', {
+      enumerable: true,
+      configurable: true,
+      value: msg,
+      writable: true
+    })
+
+    // redefine the error name
+    Object.defineProperty(err, 'name', {
+      enumerable: false,
+      configurable: true,
+      value: className,
+      writable: true
+    })
+
+    return err
+  }
+
+  inherits(ServerError, HttpError)
+  nameFunc(ServerError, className)
+
+  ServerError.prototype.status = code
+  ServerError.prototype.statusCode = code
+  ServerError.prototype.expose = false
+
+  return ServerError
+}
+
+/**
+ * Set the name of a function, if possible.
+ * @private
+ */
+
+function nameFunc (func, name) {
+  var desc = Object.getOwnPropertyDescriptor(func, 'name')
+
+  if (desc && desc.configurable) {
+    desc.value = name
+    Object.defineProperty(func, 'name', desc)
+  }
+}
+
+/**
+ * Populate the exports object with constructors for every error class.
+ * @private
+ */
+
+function populateConstructorExports (exports, codes, HttpError) {
+  codes.forEach(function forEachCode (code) {
+    var CodeError
+    var name = toIdentifier(statuses.message[code])
+
+    switch (codeClass(code)) {
+      case 400:
+        CodeError = createClientErrorConstructor(HttpError, name, code)
+        break
+      case 500:
+        CodeError = createServerErrorConstructor(HttpError, name, code)
+        break
+    }
+
+    if (CodeError) {
+      // export the constructor
+      exports[code] = CodeError
+      exports[name] = CodeError
+    }
+  })
+}
+
+/**
+ * Get a class name from a name identifier.
+ * @private
+ */
+
+function toClassName (name) {
+  return name.substr(-5) !== 'Error'
+    ? name + 'Error'
+    : name
+}
diff --git a/node_modules/http-errors/package.json b/node_modules/http-errors/package.json
new file mode 100644
index 000000000..4cb6d7eda
--- /dev/null
+++ b/node_modules/http-errors/package.json
@@ -0,0 +1,50 @@
+{
+  "name": "http-errors",
+  "description": "Create HTTP error objects",
+  "version": "2.0.0",
+  "author": "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)",
+  "contributors": [
+    "Alan Plum <me@pluma.io>",
+    "Douglas Christopher Wilson <doug@somethingdoug.com>"
+  ],
+  "license": "MIT",
+  "repository": "jshttp/http-errors",
+  "dependencies": {
+    "depd": "2.0.0",
+    "inherits": "2.0.4",
+    "setprototypeof": "1.2.0",
+    "statuses": "2.0.1",
+    "toidentifier": "1.0.1"
+  },
+  "devDependencies": {
+    "eslint": "7.32.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.25.3",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "5.2.0",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "9.1.3",
+    "nyc": "15.1.0"
+  },
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "lint": "eslint . && node ./scripts/lint-readme-list.js",
+    "test": "mocha --reporter spec --bail",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "version": "node scripts/version-history.js && git add HISTORY.md"
+  },
+  "keywords": [
+    "http",
+    "error"
+  ],
+  "files": [
+    "index.js",
+    "HISTORY.md",
+    "LICENSE",
+    "README.md"
+  ]
+}
diff --git a/node_modules/http-signature/.dir-locals.el b/node_modules/http-signature/.dir-locals.el
new file mode 100644
index 000000000..3bc9235f2
--- /dev/null
+++ b/node_modules/http-signature/.dir-locals.el
@@ -0,0 +1,6 @@
+((nil . ((indent-tabs-mode . nil)
+         (tab-width . 8)
+         (fill-column . 80)))
+ (js-mode . ((js-indent-level . 2)
+             (indent-tabs-mode . nil)
+             )))
\ No newline at end of file
diff --git a/node_modules/http-signature/.npmignore b/node_modules/http-signature/.npmignore
new file mode 100644
index 000000000..c143fb3a4
--- /dev/null
+++ b/node_modules/http-signature/.npmignore
@@ -0,0 +1,7 @@
+.gitmodules
+deps
+docs
+Makefile
+node_modules
+test
+tools
\ No newline at end of file
diff --git a/node_modules/http-signature/CHANGES.md b/node_modules/http-signature/CHANGES.md
new file mode 100644
index 000000000..6f69444ba
--- /dev/null
+++ b/node_modules/http-signature/CHANGES.md
@@ -0,0 +1,46 @@
+# node-http-signature changelog
+
+## 1.1.1
+
+- Version of dependency `assert-plus` updated: old version was missing
+  some license information
+- Corrected examples in `http_signing.md`, added auto-tests to
+  automatically validate these examples
+
+## 1.1.0
+
+- Bump version of `sshpk` dependency, remove peerDependency on it since
+  it now supports exchanging objects between multiple versions of itself
+  where possible
+
+## 1.0.2
+
+- Bump min version of `jsprim` dependency, to include fixes for using
+  http-signature with `browserify`
+
+## 1.0.1
+
+- Bump minimum version of `sshpk` dependency, to include fixes for
+  whitespace tolerance in key parsing.
+
+## 1.0.0
+
+- First semver release.
+- #36: Ensure verifySignature does not leak useful timing information
+- #42: Bring the library up to the latest version of the spec (including the 
+       request-target changes)
+- Support for ECDSA keys and signatures.
+- Now uses `sshpk` for key parsing, validation and conversion.
+- Fixes for #21, #47, #39 and compatibility with node 0.8
+
+## 0.11.0
+
+- Split up HMAC and Signature verification to avoid vulnerabilities where a
+  key intended for use with one can be validated against the other method
+  instead.
+
+## 0.10.2
+
+- Updated versions of most dependencies.
+- Utility functions exported for PEM => SSH-RSA conversion.
+- Improvements to tests and examples.
diff --git a/node_modules/http-signature/LICENSE b/node_modules/http-signature/LICENSE
new file mode 100644
index 000000000..f6d947d2f
--- /dev/null
+++ b/node_modules/http-signature/LICENSE
@@ -0,0 +1,18 @@
+Copyright Joyent, Inc. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
diff --git a/node_modules/http-signature/README.md b/node_modules/http-signature/README.md
new file mode 100644
index 000000000..de487d323
--- /dev/null
+++ b/node_modules/http-signature/README.md
@@ -0,0 +1,79 @@
+# node-http-signature
+
+node-http-signature is a node.js library that has client and server components
+for Joyent's [HTTP Signature Scheme](http_signing.md).
+
+## Usage
+
+Note the example below signs a request with the same key/cert used to start an
+HTTP server. This is almost certainly not what you actually want, but is just
+used to illustrate the API calls; you will need to provide your own key
+management in addition to this library.
+
+### Client
+
+```js
+var fs = require('fs');
+var https = require('https');
+var httpSignature = require('http-signature');
+
+var key = fs.readFileSync('./key.pem', 'ascii');
+
+var options = {
+  host: 'localhost',
+  port: 8443,
+  path: '/',
+  method: 'GET',
+  headers: {}
+};
+
+// Adds a 'Date' header in, signs it, and adds the
+// 'Authorization' header in.
+var req = https.request(options, function(res) {
+  console.log(res.statusCode);
+});
+
+
+httpSignature.sign(req, {
+  key: key,
+  keyId: './cert.pem'
+});
+
+req.end();
+```
+
+### Server
+
+```js
+var fs = require('fs');
+var https = require('https');
+var httpSignature = require('http-signature');
+
+var options = {
+  key: fs.readFileSync('./key.pem'),
+  cert: fs.readFileSync('./cert.pem')
+};
+
+https.createServer(options, function (req, res) {
+  var rc = 200;
+  var parsed = httpSignature.parseRequest(req);
+  var pub = fs.readFileSync(parsed.keyId, 'ascii');
+  if (!httpSignature.verifySignature(parsed, pub))
+    rc = 401;
+
+  res.writeHead(rc);
+  res.end();
+}).listen(8443);
+```
+
+## Installation
+
+    npm install http-signature
+
+## License
+
+MIT.
+
+## Bugs
+
+See <https://github.com/joyent/node-http-signature/issues>.
diff --git a/node_modules/http-signature/http_signing.md b/node_modules/http-signature/http_signing.md
new file mode 100644
index 000000000..4f24d28c3
--- /dev/null
+++ b/node_modules/http-signature/http_signing.md
@@ -0,0 +1,363 @@
+# Abstract
+
+This document describes a way to add origin authentication, message integrity,
+and replay resistance to HTTP REST requests.  It is intended to be used over
+the HTTPS protocol.
+
+# Copyright Notice
+
+Copyright (c) 2011 Joyent, Inc. and the persons identified as document authors.
+All rights reserved.
+
+Code Components extracted from this document must include MIT License text.
+
+# Introduction
+
+This protocol is intended to provide a standard way for clients to sign HTTP
+requests.  RFC2617 (HTTP Authentication) defines Basic and Digest authentication
+mechanisms, and RFC5246 (TLS 1.2) defines client-auth, both of which are widely
+employed on the Internet today.  However, it is common place that the burdens of
+PKI prevent web service operators from deploying that methodology, and so many
+fall back to Basic authentication, which has poor security characteristics.
+
+Additionally, OAuth provides a fully-specified alternative for authorization
+of web service requests, but is not (always) ideal for machine to machine
+communication, as the key acquisition steps (generally) imply a fixed
+infrastructure that may not make sense to a service provider (e.g., symmetric
+keys).
+
+Several web service providers have invented their own schemes for signing
+HTTP requests, but to date, none have been placed in the public domain as a
+standard.  This document serves that purpose.  There are no techniques in this
+proposal that are novel beyond previous art, however, this aims to be a simple
+mechanism for signing these requests.
+
+# Signature Authentication Scheme
+
+The "signature" authentication scheme is based on the model that the client must
+authenticate itself with a digital signature produced by either a private
+asymmetric key (e.g., RSA) or a shared symmetric key (e.g., HMAC).  The scheme
+is parameterized enough such that it is not bound to any particular key type or
+signing algorithm.  However, it does explicitly assume that clients can send an
+HTTP `Date` header.
+
+## Authorization Header
+
+The client is expected to send an Authorization header (as defined in RFC 2617)
+with the following parameterization:
+
+    credentials := "Signature" params
+    params := 1#(keyId | algorithm | [headers] | [ext] | signature)
+    digitalSignature := plain-string
+
+    keyId := "keyId" "=" <"> plain-string <">
+    algorithm := "algorithm" "=" <"> plain-string <">
+    headers := "headers" "=" <"> 1#headers-value <">
+    ext := "ext" "=" <"> plain-string <">
+    signature := "signature" "=" <"> plain-string <">
+
+    headers-value := plain-string
+    plain-string   = 1*( %x20-21 / %x23-5B / %x5D-7E )
+
+### Signature Parameters
+
+#### keyId
+
+REQUIRED.  The `keyId` field is an opaque string that the server can use to look
+up the component they need to validate the signature.  It could be an SSH key
+fingerprint, an LDAP DN, etc.  Management of keys and assignment of `keyId` is
+out of scope for this document.
+
+#### algorithm
+
+REQUIRED. The `algorithm` parameter is used if the client and server agree on a
+non-standard digital signature algorithm.  The full list of supported signature
+mechanisms is listed below.
+
+#### headers
+
+OPTIONAL.  The `headers` parameter is used to specify the list of HTTP headers
+used to sign the request.  If specified, it should be a quoted list of HTTP
+header names, separated by a single space character.  By default, only one
+HTTP header is signed, which is the `Date` header.  Note that the list MUST be
+specified in the order the values are concatenated together during signing. To
+include the HTTP request line in the signature calculation, use the special
+`request-line` value.  While this is overloading the definition of `headers` in
+HTTP linguism, the request-line is defined in RFC 2616, and as the outlier from
+headers in useful signature calculation, it is deemed simpler to simply use
+`request-line` than to add a separate parameter for it.
+
+#### extensions
+
+OPTIONAL.  The `extensions` parameter is used to include additional information
+which is covered by the request.  The content and format of the string is out of
+scope for this document, and expected to be specified by implementors.
+
+#### signature
+
+REQUIRED.  The `signature` parameter is a `Base64` encoded digital signature
+generated by the client. The client uses the `algorithm` and `headers` request
+parameters to form a canonicalized `signing string`.  This `signing string` is
+then signed with the key associated with `keyId` and the algorithm
+corresponding to `algorithm`.  The `signature` parameter is then set to the
+`Base64` encoding of the signature.
+
+### Signing String Composition
+
+In order to generate the string that is signed with a key, the client MUST take
+the values of each HTTP header specified by `headers` in the order they appear.
+
+1. If the header name is not `request-line` then append the lowercased header
+   name followed with an ASCII colon `:` and an ASCII space ` `.
+2. If the header name is `request-line` then append the HTTP request line,
+   otherwise append the header value.
+3. If value is not the last value then append an ASCII newline `\n`. The string
+   MUST NOT include a trailing ASCII newline.
+
+# Example Requests
+
+All requests refer to the following request (body omitted):
+
+    POST /foo HTTP/1.1
+    Host: example.org
+    Date: Tue, 07 Jun 2014 20:51:35 GMT
+    Content-Type: application/json
+    Digest: SHA-256=X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE=
+    Content-Length: 18
+
+The "rsa-key-1" keyId refers to a private key known to the client and a public
+key known to the server. The "hmac-key-1" keyId refers to key known to the
+client and server.
+
+## Default parameterization
+
+The authorization header and signature would be generated as:
+
+    Authorization: Signature keyId="rsa-key-1",algorithm="rsa-sha256",signature="Base64(RSA-SHA256(signing string))"
+
+The client would compose the signing string as:
+
+    date: Tue, 07 Jun 2014 20:51:35 GMT
+
+## Header List
+
+The authorization header and signature would be generated as:
+
+    Authorization: Signature keyId="rsa-key-1",algorithm="rsa-sha256",headers="(request-target) date content-type digest",signature="Base64(RSA-SHA256(signing string))"
+
+The client would compose the signing string as (`+ "\n"` inserted for
+readability):
+
+    (request-target) post /foo + "\n"
+    date: Tue, 07 Jun 2011 20:51:35 GMT + "\n"
+    content-type: application/json + "\n"
+    digest: SHA-256=Base64(SHA256(Body))
+
+## Algorithm
+
+The authorization header and signature would be generated as:
+
+    Authorization: Signature keyId="hmac-key-1",algorithm="hmac-sha1",signature="Base64(HMAC-SHA1(signing string))"
+
+The client would compose the signing string as:
+
+    date: Tue, 07 Jun 2011 20:51:35 GMT
+
+# Signing Algorithms
+
+Currently supported algorithm names are:
+
+* rsa-sha1
+* rsa-sha256
+* rsa-sha512
+* dsa-sha1
+* hmac-sha1
+* hmac-sha256
+* hmac-sha512
+
+# Security Considerations
+
+## Default Parameters
+
+Note the default parameterization of the `Signature` scheme is only safe if all
+requests are carried over a secure transport (i.e., TLS).  Sending the default
+scheme over a non-secure transport will leave the request vulnerable to
+spoofing, tampering, replay/repudiation, and integrity violations (if using the
+STRIDE threat-modeling methodology).
+
+## Insecure Transports
+
+If sending the request over plain HTTP, service providers SHOULD require clients
+to sign ALL HTTP headers, and the `request-line`.  Additionally, service
+providers SHOULD require `Content-MD5` calculations to be performed to ensure
+against any tampering from clients.
+
+## Nonces
+
+Nonces are out of scope for this document simply because many service providers
+fail to implement them correctly, or do not adopt security specifications
+because of the infrastructure complexity.  Given the `header` parameterization,
+a service provider is fully enabled to add nonce semantics into this scheme by
+using something like an `x-request-nonce` header, and ensuring it is signed
+with the `Date` header.
+
+## Clock Skew
+
+As the default scheme is to sign the `Date` header, service providers SHOULD
+protect against logged replay attacks by enforcing a clock skew.  The server
+SHOULD be synchronized with NTP, and the recommendation in this specification
+is to allow 300s of clock skew (in either direction).
+
+## Required Headers to Sign
+
+It is out of scope for this document to dictate what headers a service provider
+will want to enforce, but service providers SHOULD at minimum include the
+`Date` header.
+
+# References
+
+## Normative References
+
+* [RFC2616] Hypertext Transfer Protocol -- HTTP/1.1
+* [RFC2617] HTTP Authentication: Basic and Digest Access Authentication
+* [RFC5246] The Transport Layer Security (TLS) Protocol Version 1.2
+
+## Informative References
+
+    Name: Mark Cavage (editor)
+    Company: Joyent, Inc.
+    Email: mark.cavage@joyent.com
+    URI: http://www.joyent.com
+
+# Appendix A - Test Values
+
+The following test data uses the RSA (1024b) keys, which we will refer
+to as `keyId=Test` in the following samples:
+
+    -----BEGIN PUBLIC KEY-----
+    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDCFENGw33yGihy92pDjZQhl0C3
+    6rPJj+CvfSC8+q28hxA161QFNUd13wuCTUcq0Qd2qsBe/2hFyc2DCJJg0h1L78+6
+    Z4UMR7EOcpfdUE9Hf3m/hs+FUR45uBJeDK1HSFHD8bHKD6kv8FPGfJTotc+2xjJw
+    oYi+1hqp1fIekaxsyQIDAQAB
+    -----END PUBLIC KEY-----
+
+    -----BEGIN RSA PRIVATE KEY-----
+    MIICXgIBAAKBgQDCFENGw33yGihy92pDjZQhl0C36rPJj+CvfSC8+q28hxA161QF
+    NUd13wuCTUcq0Qd2qsBe/2hFyc2DCJJg0h1L78+6Z4UMR7EOcpfdUE9Hf3m/hs+F
+    UR45uBJeDK1HSFHD8bHKD6kv8FPGfJTotc+2xjJwoYi+1hqp1fIekaxsyQIDAQAB
+    AoGBAJR8ZkCUvx5kzv+utdl7T5MnordT1TvoXXJGXK7ZZ+UuvMNUCdN2QPc4sBiA
+    QWvLw1cSKt5DsKZ8UETpYPy8pPYnnDEz2dDYiaew9+xEpubyeW2oH4Zx71wqBtOK
+    kqwrXa/pzdpiucRRjk6vE6YY7EBBs/g7uanVpGibOVAEsqH1AkEA7DkjVH28WDUg
+    f1nqvfn2Kj6CT7nIcE3jGJsZZ7zlZmBmHFDONMLUrXR/Zm3pR5m0tCmBqa5RK95u
+    412jt1dPIwJBANJT3v8pnkth48bQo/fKel6uEYyboRtA5/uHuHkZ6FQF7OUkGogc
+    mSJluOdc5t6hI1VsLn0QZEjQZMEOWr+wKSMCQQCC4kXJEsHAve77oP6HtG/IiEn7
+    kpyUXRNvFsDE0czpJJBvL/aRFUJxuRK91jhjC68sA7NsKMGg5OXb5I5Jj36xAkEA
+    gIT7aFOYBFwGgQAQkWNKLvySgKbAZRTeLBacpHMuQdl1DfdntvAyqpAZ0lY0RKmW
+    G6aFKaqQfOXKCyWoUiVknQJAXrlgySFci/2ueKlIE1QqIiLSZ8V8OlpFLRnb1pzI
+    7U1yQXnTAEFYM560yJlzUpOb1V4cScGd365tiSMvxLOvTA==
+    -----END RSA PRIVATE KEY-----
+
+And all examples use this request:
+
+<!-- httpreq -->
+
+    POST /foo?param=value&pet=dog HTTP/1.1
+    Host: example.com
+    Date: Thu, 05 Jan 2014 21:31:40 GMT
+    Content-Type: application/json
+    Digest: SHA-256=X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE=
+    Content-Length: 18
+
+    {"hello": "world"}
+
+<!-- /httpreq -->
+
+### Default
+
+The string to sign would be:
+
+<!-- sign {"name": "Default", "options": {"keyId":"Test", "algorithm": "rsa-sha256"}} -->
+<!-- signstring -->
+
+    date: Thu, 05 Jan 2014 21:31:40 GMT
+
+<!-- /signstring -->
+
+The Authorization header would be:
+
+<!-- authz -->
+
+    Authorization: Signature keyId="Test",algorithm="rsa-sha256",headers="date",signature="jKyvPcxB4JbmYY4mByyBY7cZfNl4OW9HpFQlG7N4YcJPteKTu4MWCLyk+gIr0wDgqtLWf9NLpMAMimdfsH7FSWGfbMFSrsVTHNTk0rK3usrfFnti1dxsM4jl0kYJCKTGI/UWkqiaxwNiKqGcdlEDrTcUhhsFsOIo8VhddmZTZ8w="
+
+<!-- /authz -->
+
+### All Headers
+
+Parameterized to include all headers, the string to sign would be (`+ "\n"`
+inserted for readability):
+
+<!-- sign {"name": "All Headers", "options": {"keyId":"Test", "algorithm": "rsa-sha256", "headers": ["(request-target)", "host", "date", "content-type", "digest", "content-length"]}} -->
+<!-- signstring -->
+
+    (request-target): post /foo?param=value&pet=dog
+    host: example.com
+    date: Thu, 05 Jan 2014 21:31:40 GMT
+    content-type: application/json
+    digest: SHA-256=X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE=
+    content-length: 18
+
+<!-- /signstring -->
+
+The Authorization header would be:
+
+<!-- authz -->
+
+    Authorization: Signature keyId="Test",algorithm="rsa-sha256",headers="(request-target) host date content-type digest content-length",signature="Ef7MlxLXoBovhil3AlyjtBwAL9g4TN3tibLj7uuNB3CROat/9KaeQ4hW2NiJ+pZ6HQEOx9vYZAyi+7cmIkmJszJCut5kQLAwuX+Ms/mUFvpKlSo9StS2bMXDBNjOh4Auj774GFj4gwjS+3NhFeoqyr/MuN6HsEnkvn6zdgfE2i0="
+
+<!-- /authz -->
+
+## Generating and verifying signatures using `openssl`
+
+The `openssl` commandline tool can be used to generate or verify the signatures listed above.
+
+Compose the signing string as usual, and pipe it into the the `openssl dgst` command, then into `openssl enc -base64`, as follows:
+
+    $ printf 'date: Thu, 05 Jan 2014 21:31:40 GMT' | \
+      openssl dgst -binary -sign /path/to/private.pem -sha256 | \
+      openssl enc -base64
+    jKyvPcxB4JbmYY4mByyBY7cZfNl4OW9Hp...
+    $
+
+The `-sha256` option is necessary to produce an `rsa-sha256` signature. You can select other hash algorithms such as `sha1` by changing this argument.
+
+To verify a signature, first save the signature data, Base64-decoded, into a file, then use `openssl dgst` again with the `-verify` option:
+
+    $ echo 'jKyvPcxB4JbmYY4mByy...' | openssl enc -A -d -base64 > signature
+    $ printf 'date: Thu, 05 Jan 2014 21:31:40 GMT' | \
+      openssl dgst -sha256 -verify /path/to/public.pem -signature ./signature
+    Verified OK
+    $
+
+## Generating and verifying signatures using `sshpk-sign`
+
+You can also generate and check signatures using the `sshpk-sign` tool which is
+included with the `sshpk` package in `npm`.
+
+Compose the signing string as above, and pipe it into `sshpk-sign` as follows:
+
+    $ printf 'date: Thu, 05 Jan 2014 21:31:40 GMT' | \
+      sshpk-sign -i /path/to/private.pem
+    jKyvPcxB4JbmYY4mByyBY7cZfNl4OW9Hp...
+    $
+
+This will produce an `rsa-sha256` signature by default, as you can see using
+the `-v` option:
+
+    sshpk-sign: using rsa-sha256 with a 1024 bit key
+
+You can also use `sshpk-verify` in a similar manner:
+
+    $ printf 'date: Thu, 05 Jan 2014 21:31:40 GMT' | \
+      sshpk-verify -i ./public.pem -s 'jKyvPcxB4JbmYY...'
+    OK
+    $
diff --git a/node_modules/http-signature/lib/index.js b/node_modules/http-signature/lib/index.js
new file mode 100644
index 000000000..54d46030f
--- /dev/null
+++ b/node_modules/http-signature/lib/index.js
@@ -0,0 +1,29 @@
+// Copyright 2015 Joyent, Inc.
+
+var parser = require('./parser');
+var signer = require('./signer');
+var verify = require('./verify');
+var utils = require('./utils');
+
+
+
+///--- API
+
+module.exports = {
+
+  parse: parser.parseRequest,
+  parseRequest: parser.parseRequest,
+
+  sign: signer.signRequest,
+  signRequest: signer.signRequest,
+  createSigner: signer.createSigner,
+  isSigner: signer.isSigner,
+
+  sshKeyToPEM: utils.sshKeyToPEM,
+  sshKeyFingerprint: utils.fingerprint,
+  pemToRsaSSHKey: utils.pemToRsaSSHKey,
+
+  verify: verify.verifySignature,
+  verifySignature: verify.verifySignature,
+  verifyHMAC: verify.verifyHMAC
+};
diff --git a/node_modules/http-signature/lib/parser.js b/node_modules/http-signature/lib/parser.js
new file mode 100644
index 000000000..5994a7e98
--- /dev/null
+++ b/node_modules/http-signature/lib/parser.js
@@ -0,0 +1,315 @@
+// Copyright 2012 Joyent, Inc.  All rights reserved.
+
+var assert = require('assert-plus');
+var util = require('util');
+var utils = require('./utils');
+
+
+
+///--- Globals
+
+var HASH_ALGOS = utils.HASH_ALGOS;
+var PK_ALGOS = utils.PK_ALGOS;
+var HttpSignatureError = utils.HttpSignatureError;
+var InvalidAlgorithmError = utils.InvalidAlgorithmError;
+var validateAlgorithm = utils.validateAlgorithm;
+
+var State = {
+  New: 0,
+  Params: 1
+};
+
+var ParamsState = {
+  Name: 0,
+  Quote: 1,
+  Value: 2,
+  Comma: 3
+};
+
+
+///--- Specific Errors
+
+
+function ExpiredRequestError(message) {
+  HttpSignatureError.call(this, message, ExpiredRequestError);
+}
+util.inherits(ExpiredRequestError, HttpSignatureError);
+
+
+function InvalidHeaderError(message) {
+  HttpSignatureError.call(this, message, InvalidHeaderError);
+}
+util.inherits(InvalidHeaderError, HttpSignatureError);
+
+
+function InvalidParamsError(message) {
+  HttpSignatureError.call(this, message, InvalidParamsError);
+}
+util.inherits(InvalidParamsError, HttpSignatureError);
+
+
+function MissingHeaderError(message) {
+  HttpSignatureError.call(this, message, MissingHeaderError);
+}
+util.inherits(MissingHeaderError, HttpSignatureError);
+
+function StrictParsingError(message) {
+  HttpSignatureError.call(this, message, StrictParsingError);
+}
+util.inherits(StrictParsingError, HttpSignatureError);
+
+///--- Exported API
+
+module.exports = {
+
+  /**
+   * Parses the 'Authorization' header out of an http.ServerRequest object.
+   *
+   * Note that this API will fully validate the Authorization header, and throw
+   * on any error.  It will not however check the signature, or the keyId format
+   * as those are specific to your environment.  You can use the options object
+   * to pass in extra constraints.
+   *
+   * As a response object you can expect this:
+   *
+   *     {
+   *       "scheme": "Signature",
+   *       "params": {
+   *         "keyId": "foo",
+   *         "algorithm": "rsa-sha256",
+   *         "headers": [
+   *           "date" or "x-date",
+   *           "digest"
+   *         ],
+   *         "signature": "base64"
+   *       },
+   *       "signingString": "ready to be passed to crypto.verify()"
+   *     }
+   *
+   * @param {Object} request an http.ServerRequest.
+   * @param {Object} options an optional options object with:
+   *                   - clockSkew: allowed clock skew in seconds (default 300).
+   *                   - headers: required header names (def: date or x-date)
+   *                   - algorithms: algorithms to support (default: all).
+   *                   - strict: should enforce latest spec parsing
+   *                             (default: false).
+   * @return {Object} parsed out object (see above).
+   * @throws {TypeError} on invalid input.
+   * @throws {InvalidHeaderError} on an invalid Authorization header error.
+   * @throws {InvalidParamsError} if the params in the scheme are invalid.
+   * @throws {MissingHeaderError} if the params indicate a header not present,
+   *                              either in the request headers from the params,
+   *                              or not in the params from a required header
+   *                              in options.
+   * @throws {StrictParsingError} if old attributes are used in strict parsing
+   *                              mode.
+   * @throws {ExpiredRequestError} if the value of date or x-date exceeds skew.
+   */
+  parseRequest: function parseRequest(request, options) {
+    assert.object(request, 'request');
+    assert.object(request.headers, 'request.headers');
+    if (options === undefined) {
+      options = {};
+    }
+    if (options.headers === undefined) {
+      options.headers = [request.headers['x-date'] ? 'x-date' : 'date'];
+    }
+    assert.object(options, 'options');
+    assert.arrayOfString(options.headers, 'options.headers');
+    assert.optionalFinite(options.clockSkew, 'options.clockSkew');
+
+    var authzHeaderName = options.authorizationHeaderName || 'authorization';
+
+    if (!request.headers[authzHeaderName]) {
+      throw new MissingHeaderError('no ' + authzHeaderName + ' header ' +
+                                   'present in the request');
+    }
+
+    options.clockSkew = options.clockSkew || 300;
+
+
+    var i = 0;
+    var state = State.New;
+    var substate = ParamsState.Name;
+    var tmpName = '';
+    var tmpValue = '';
+
+    var parsed = {
+      scheme: '',
+      params: {},
+      signingString: ''
+    };
+
+    var authz = request.headers[authzHeaderName];
+    for (i = 0; i < authz.length; i++) {
+      var c = authz.charAt(i);
+
+      switch (Number(state)) {
+
+      case State.New:
+        if (c !== ' ') parsed.scheme += c;
+        else state = State.Params;
+        break;
+
+      case State.Params:
+        switch (Number(substate)) {
+
+        case ParamsState.Name:
+          var code = c.charCodeAt(0);
+          // restricted name of A-Z / a-z
+          if ((code >= 0x41 && code <= 0x5a) || // A-Z
+              (code >= 0x61 && code <= 0x7a)) { // a-z
+            tmpName += c;
+          } else if (c === '=') {
+            if (tmpName.length === 0)
+              throw new InvalidHeaderError('bad param format');
+            substate = ParamsState.Quote;
+          } else {
+            throw new InvalidHeaderError('bad param format');
+          }
+          break;
+
+        case ParamsState.Quote:
+          if (c === '"') {
+            tmpValue = '';
+            substate = ParamsState.Value;
+          } else {
+            throw new InvalidHeaderError('bad param format');
+          }
+          break;
+
+        case ParamsState.Value:
+          if (c === '"') {
+            parsed.params[tmpName] = tmpValue;
+            substate = ParamsState.Comma;
+          } else {
+            tmpValue += c;
+          }
+          break;
+
+        case ParamsState.Comma:
+          if (c === ',') {
+            tmpName = '';
+            substate = ParamsState.Name;
+          } else {
+            throw new InvalidHeaderError('bad param format');
+          }
+          break;
+
+        default:
+          throw new Error('Invalid substate');
+        }
+        break;
+
+      default:
+        throw new Error('Invalid substate');
+      }
+
+    }
+
+    if (!parsed.params.headers || parsed.params.headers === '') {
+      if (request.headers['x-date']) {
+        parsed.params.headers = ['x-date'];
+      } else {
+        parsed.params.headers = ['date'];
+      }
+    } else {
+      parsed.params.headers = parsed.params.headers.split(' ');
+    }
+
+    // Minimally validate the parsed object
+    if (!parsed.scheme || parsed.scheme !== 'Signature')
+      throw new InvalidHeaderError('scheme was not "Signature"');
+
+    if (!parsed.params.keyId)
+      throw new InvalidHeaderError('keyId was not specified');
+
+    if (!parsed.params.algorithm)
+      throw new InvalidHeaderError('algorithm was not specified');
+
+    if (!parsed.params.signature)
+      throw new InvalidHeaderError('signature was not specified');
+
+    // Check the algorithm against the official list
+    parsed.params.algorithm = parsed.params.algorithm.toLowerCase();
+    try {
+      validateAlgorithm(parsed.params.algorithm);
+    } catch (e) {
+      if (e instanceof InvalidAlgorithmError)
+        throw (new InvalidParamsError(parsed.params.algorithm + ' is not ' +
+          'supported'));
+      else
+        throw (e);
+    }
+
+    // Build the signingString
+    for (i = 0; i < parsed.params.headers.length; i++) {
+      var h = parsed.params.headers[i].toLowerCase();
+      parsed.params.headers[i] = h;
+
+      if (h === 'request-line') {
+        if (!options.strict) {
+          /*
+           * We allow headers from the older spec drafts if strict parsing isn't
+           * specified in options.
+           */
+          parsed.signingString +=
+            request.method + ' ' + request.url + ' HTTP/' + request.httpVersion;
+        } else {
+          /* Strict parsing doesn't allow older draft headers. */
+          throw (new StrictParsingError('request-line is not a valid header ' +
+            'with strict parsing enabled.'));
+        }
+      } else if (h === '(request-target)') {
+        parsed.signingString +=
+          '(request-target): ' + request.method.toLowerCase() + ' ' +
+          request.url;
+      } else {
+        var value = request.headers[h];
+        if (value === undefined)
+          throw new MissingHeaderError(h + ' was not in the request');
+        parsed.signingString += h + ': ' + value;
+      }
+
+      if ((i + 1) < parsed.params.headers.length)
+        parsed.signingString += '\n';
+    }
+
+    // Check against the constraints
+    var date;
+    if (request.headers.date || request.headers['x-date']) {
+        if (request.headers['x-date']) {
+          date = new Date(request.headers['x-date']);
+        } else {
+          date = new Date(request.headers.date);
+        }
+      var now = new Date();
+      var skew = Math.abs(now.getTime() - date.getTime());
+
+      if (skew > options.clockSkew * 1000) {
+        throw new ExpiredRequestError('clock skew of ' +
+                                      (skew / 1000) +
+                                      's was greater than ' +
+                                      options.clockSkew + 's');
+      }
+    }
+
+    options.headers.forEach(function (hdr) {
+      // Remember that we already checked any headers in the params
+      // were in the request, so if this passes we're good.
+      if (parsed.params.headers.indexOf(hdr.toLowerCase()) < 0)
+        throw new MissingHeaderError(hdr + ' was not a signed header');
+    });
+
+    if (options.algorithms) {
+      if (options.algorithms.indexOf(parsed.params.algorithm) === -1)
+        throw new InvalidParamsError(parsed.params.algorithm +
+                                     ' is not a supported algorithm');
+    }
+
+    parsed.algorithm = parsed.params.algorithm.toUpperCase();
+    parsed.keyId = parsed.params.keyId;
+    return parsed;
+  }
+
+};
diff --git a/node_modules/http-signature/lib/signer.js b/node_modules/http-signature/lib/signer.js
new file mode 100644
index 000000000..deb587867
--- /dev/null
+++ b/node_modules/http-signature/lib/signer.js
@@ -0,0 +1,401 @@
+// Copyright 2012 Joyent, Inc.  All rights reserved.
+
+var assert = require('assert-plus');
+var crypto = require('crypto');
+var http = require('http');
+var util = require('util');
+var sshpk = require('sshpk');
+var jsprim = require('jsprim');
+var utils = require('./utils');
+
+var sprintf = require('util').format;
+
+var HASH_ALGOS = utils.HASH_ALGOS;
+var PK_ALGOS = utils.PK_ALGOS;
+var InvalidAlgorithmError = utils.InvalidAlgorithmError;
+var HttpSignatureError = utils.HttpSignatureError;
+var validateAlgorithm = utils.validateAlgorithm;
+
+///--- Globals
+
+var AUTHZ_FMT =
+  'Signature keyId="%s",algorithm="%s",headers="%s",signature="%s"';
+
+///--- Specific Errors
+
+function MissingHeaderError(message) {
+  HttpSignatureError.call(this, message, MissingHeaderError);
+}
+util.inherits(MissingHeaderError, HttpSignatureError);
+
+function StrictParsingError(message) {
+  HttpSignatureError.call(this, message, StrictParsingError);
+}
+util.inherits(StrictParsingError, HttpSignatureError);
+
+/* See createSigner() */
+function RequestSigner(options) {
+  assert.object(options, 'options');
+
+  var alg = [];
+  if (options.algorithm !== undefined) {
+    assert.string(options.algorithm, 'options.algorithm');
+    alg = validateAlgorithm(options.algorithm);
+  }
+  this.rs_alg = alg;
+
+  /*
+   * RequestSigners come in two varieties: ones with an rs_signFunc, and ones
+   * with an rs_signer.
+   *
+   * rs_signFunc-based RequestSigners have to build up their entire signing
+   * string within the rs_lines array and give it to rs_signFunc as a single
+   * concat'd blob. rs_signer-based RequestSigners can add a line at a time to
+   * their signing state by using rs_signer.update(), thus only needing to
+   * buffer the hash function state and one line at a time.
+   */
+  if (options.sign !== undefined) {
+    assert.func(options.sign, 'options.sign');
+    this.rs_signFunc = options.sign;
+
+  } else if (alg[0] === 'hmac' && options.key !== undefined) {
+    assert.string(options.keyId, 'options.keyId');
+    this.rs_keyId = options.keyId;
+
+    if (typeof (options.key) !== 'string' && !Buffer.isBuffer(options.key))
+      throw (new TypeError('options.key for HMAC must be a string or Buffer'));
+
+    /*
+     * Make an rs_signer for HMACs, not a rs_signFunc -- HMACs digest their
+     * data in chunks rather than requiring it all to be given in one go
+     * at the end, so they are more similar to signers than signFuncs.
+     */
+    this.rs_signer = crypto.createHmac(alg[1].toUpperCase(), options.key);
+    this.rs_signer.sign = function () {
+      var digest = this.digest('base64');
+      return ({
+        hashAlgorithm: alg[1],
+        toString: function () { return (digest); }
+      });
+    };
+
+  } else if (options.key !== undefined) {
+    var key = options.key;
+    if (typeof (key) === 'string' || Buffer.isBuffer(key))
+      key = sshpk.parsePrivateKey(key);
+
+    assert.ok(sshpk.PrivateKey.isPrivateKey(key, [1, 2]),
+      'options.key must be a sshpk.PrivateKey');
+    this.rs_key = key;
+
+    assert.string(options.keyId, 'options.keyId');
+    this.rs_keyId = options.keyId;
+
+    if (!PK_ALGOS[key.type]) {
+      throw (new InvalidAlgorithmError(key.type.toUpperCase() + ' type ' +
+        'keys are not supported'));
+    }
+
+    if (alg[0] !== undefined && key.type !== alg[0]) {
+      throw (new InvalidAlgorithmError('options.key must be a ' +
+        alg[0].toUpperCase() + ' key, was given a ' +
+        key.type.toUpperCase() + ' key instead'));
+    }
+
+    this.rs_signer = key.createSign(alg[1]);
+
+  } else {
+    throw (new TypeError('options.sign (func) or options.key is required'));
+  }
+
+  this.rs_headers = [];
+  this.rs_lines = [];
+}
+
+/**
+ * Adds a header to be signed, with its value, into this signer.
+ *
+ * @param {String} header
+ * @param {String} value
+ * @return {String} value written
+ */
+RequestSigner.prototype.writeHeader = function (header, value) {
+  assert.string(header, 'header');
+  header = header.toLowerCase();
+  assert.string(value, 'value');
+
+  this.rs_headers.push(header);
+
+  if (this.rs_signFunc) {
+    this.rs_lines.push(header + ': ' + value);
+
+  } else {
+    var line = header + ': ' + value;
+    if (this.rs_headers.length > 0)
+      line = '\n' + line;
+    this.rs_signer.update(line);
+  }
+
+  return (value);
+};
+
+/**
+ * Adds a default Date header, returning its value.
+ *
+ * @return {String}
+ */
+RequestSigner.prototype.writeDateHeader = function () {
+  return (this.writeHeader('date', jsprim.rfc1123(new Date())));
+};
+
+/**
+ * Adds the request target line to be signed.
+ *
+ * @param {String} method, HTTP method (e.g. 'get', 'post', 'put')
+ * @param {String} path
+ */
+RequestSigner.prototype.writeTarget = function (method, path) {
+  assert.string(method, 'method');
+  assert.string(path, 'path');
+  method = method.toLowerCase();
+  this.writeHeader('(request-target)', method + ' ' + path);
+};
+
+/**
+ * Calculate the value for the Authorization header on this request
+ * asynchronously.
+ *
+ * @param {Func} callback (err, authz)
+ */
+RequestSigner.prototype.sign = function (cb) {
+  assert.func(cb, 'callback');
+
+  if (this.rs_headers.length < 1)
+    throw (new Error('At least one header must be signed'));
+
+  var alg, authz;
+  if (this.rs_signFunc) {
+    var data = this.rs_lines.join('\n');
+    var self = this;
+    this.rs_signFunc(data, function (err, sig) {
+      if (err) {
+        cb(err);
+        return;
+      }
+      try {
+        assert.object(sig, 'signature');
+        assert.string(sig.keyId, 'signature.keyId');
+        assert.string(sig.algorithm, 'signature.algorithm');
+        assert.string(sig.signature, 'signature.signature');
+        alg = validateAlgorithm(sig.algorithm);
+
+        authz = sprintf(AUTHZ_FMT,
+          sig.keyId,
+          sig.algorithm,
+          self.rs_headers.join(' '),
+          sig.signature);
+      } catch (e) {
+        cb(e);
+        return;
+      }
+      cb(null, authz);
+    });
+
+  } else {
+    try {
+      var sigObj = this.rs_signer.sign();
+    } catch (e) {
+      cb(e);
+      return;
+    }
+    alg = (this.rs_alg[0] || this.rs_key.type) + '-' + sigObj.hashAlgorithm;
+    var signature = sigObj.toString();
+    authz = sprintf(AUTHZ_FMT,
+      this.rs_keyId,
+      alg,
+      this.rs_headers.join(' '),
+      signature);
+    cb(null, authz);
+  }
+};
+
+///--- Exported API
+
+module.exports = {
+  /**
+   * Identifies whether a given object is a request signer or not.
+   *
+   * @param {Object} object, the object to identify
+   * @returns {Boolean}
+   */
+  isSigner: function (obj) {
+    if (typeof (obj) === 'object' && obj instanceof RequestSigner)
+      return (true);
+    return (false);
+  },
+
+  /**
+   * Creates a request signer, used to asynchronously build a signature
+   * for a request (does not have to be an http.ClientRequest).
+   *
+   * @param {Object} options, either:
+   *                   - {String} keyId
+   *                   - {String|Buffer} key
+   *                   - {String} algorithm (optional, required for HMAC)
+   *                 or:
+   *                   - {Func} sign (data, cb)
+   * @return {RequestSigner}
+   */
+  createSigner: function createSigner(options) {
+    return (new RequestSigner(options));
+  },
+
+  /**
+   * Adds an 'Authorization' header to an http.ClientRequest object.
+   *
+   * Note that this API will add a Date header if it's not already set. Any
+   * other headers in the options.headers array MUST be present, or this
+   * will throw.
+   *
+   * You shouldn't need to check the return type; it's just there if you want
+   * to be pedantic.
+   *
+   * The optional flag indicates whether parsing should use strict enforcement
+   * of the version draft-cavage-http-signatures-04 of the spec or beyond.
+   * The default is to be loose and support
+   * older versions for compatibility.
+   *
+   * @param {Object} request an instance of http.ClientRequest.
+   * @param {Object} options signing parameters object:
+   *                   - {String} keyId required.
+   *                   - {String} key required (either a PEM or HMAC key).
+   *                   - {Array} headers optional; defaults to ['date'].
+   *                   - {String} algorithm optional (unless key is HMAC);
+   *                              default is the same as the sshpk default
+   *                              signing algorithm for the type of key given
+   *                   - {String} httpVersion optional; defaults to '1.1'.
+   *                   - {Boolean} strict optional; defaults to 'false'.
+   * @return {Boolean} true if Authorization (and optionally Date) were added.
+   * @throws {TypeError} on bad parameter types (input).
+   * @throws {InvalidAlgorithmError} if algorithm was bad or incompatible with
+   *                                 the given key.
+   * @throws {sshpk.KeyParseError} if key was bad.
+   * @throws {MissingHeaderError} if a header to be signed was specified but
+   *                              was not present.
+   */
+  signRequest: function signRequest(request, options) {
+    assert.object(request, 'request');
+    assert.object(options, 'options');
+    assert.optionalString(options.algorithm, 'options.algorithm');
+    assert.string(options.keyId, 'options.keyId');
+    assert.optionalArrayOfString(options.headers, 'options.headers');
+    assert.optionalString(options.httpVersion, 'options.httpVersion');
+
+    if (!request.getHeader('Date'))
+      request.setHeader('Date', jsprim.rfc1123(new Date()));
+    if (!options.headers)
+      options.headers = ['date'];
+    if (!options.httpVersion)
+      options.httpVersion = '1.1';
+
+    var alg = [];
+    if (options.algorithm) {
+      options.algorithm = options.algorithm.toLowerCase();
+      alg = validateAlgorithm(options.algorithm);
+    }
+
+    var i;
+    var stringToSign = '';
+    for (i = 0; i < options.headers.length; i++) {
+      if (typeof (options.headers[i]) !== 'string')
+        throw new TypeError('options.headers must be an array of Strings');
+
+      var h = options.headers[i].toLowerCase();
+
+      if (h === 'request-line') {
+        if (!options.strict) {
+          /**
+           * We allow headers from the older spec drafts if strict parsing isn't
+           * specified in options.
+           */
+          stringToSign +=
+            request.method + ' ' + request.path + ' HTTP/' +
+            options.httpVersion;
+        } else {
+          /* Strict parsing doesn't allow older draft headers. */
+          throw (new StrictParsingError('request-line is not a valid header ' +
+            'with strict parsing enabled.'));
+        }
+      } else if (h === '(request-target)') {
+        stringToSign +=
+          '(request-target): ' + request.method.toLowerCase() + ' ' +
+          request.path;
+      } else {
+        var value = request.getHeader(h);
+        if (value === undefined || value === '') {
+          throw new MissingHeaderError(h + ' was not in the request');
+        }
+        stringToSign += h + ': ' + value;
+      }
+
+      if ((i + 1) < options.headers.length)
+        stringToSign += '\n';
+    }
+
+    /* This is just for unit tests. */
+    if (request.hasOwnProperty('_stringToSign')) {
+      request._stringToSign = stringToSign;
+    }
+
+    var signature;
+    if (alg[0] === 'hmac') {
+      if (typeof (options.key) !== 'string' && !Buffer.isBuffer(options.key))
+        throw (new TypeError('options.key must be a string or Buffer'));
+
+      var hmac = crypto.createHmac(alg[1].toUpperCase(), options.key);
+      hmac.update(stringToSign);
+      signature = hmac.digest('base64');
+
+    } else {
+      var key = options.key;
+      if (typeof (key) === 'string' || Buffer.isBuffer(key))
+        key = sshpk.parsePrivateKey(options.key);
+
+      assert.ok(sshpk.PrivateKey.isPrivateKey(key, [1, 2]),
+        'options.key must be a sshpk.PrivateKey');
+
+      if (!PK_ALGOS[key.type]) {
+        throw (new InvalidAlgorithmError(key.type.toUpperCase() + ' type ' +
+          'keys are not supported'));
+      }
+
+      if (alg[0] !== undefined && key.type !== alg[0]) {
+        throw (new InvalidAlgorithmError('options.key must be a ' +
+          alg[0].toUpperCase() + ' key, was given a ' +
+          key.type.toUpperCase() + ' key instead'));
+      }
+
+      var signer = key.createSign(alg[1]);
+      signer.update(stringToSign);
+      var sigObj = signer.sign();
+      if (!HASH_ALGOS[sigObj.hashAlgorithm]) {
+        throw (new InvalidAlgorithmError(sigObj.hashAlgorithm.toUpperCase() +
+          ' is not a supported hash algorithm'));
+      }
+      options.algorithm = key.type + '-' + sigObj.hashAlgorithm;
+      signature = sigObj.toString();
+      assert.notStrictEqual(signature, '', 'empty signature produced');
+    }
+
+    var authzHeaderName = options.authorizationHeaderName || 'Authorization';
+
+    request.setHeader(authzHeaderName, sprintf(AUTHZ_FMT,
+                                               options.keyId,
+                                               options.algorithm,
+                                               options.headers.join(' '),
+                                               signature));
+
+    return true;
+  }
+
+};
diff --git a/node_modules/http-signature/lib/utils.js b/node_modules/http-signature/lib/utils.js
new file mode 100644
index 000000000..bbf2aa895
--- /dev/null
+++ b/node_modules/http-signature/lib/utils.js
@@ -0,0 +1,112 @@
+// Copyright 2012 Joyent, Inc.  All rights reserved.
+
+var assert = require('assert-plus');
+var sshpk = require('sshpk');
+var util = require('util');
+
+var HASH_ALGOS = {
+  'sha1': true,
+  'sha256': true,
+  'sha512': true
+};
+
+var PK_ALGOS = {
+  'rsa': true,
+  'dsa': true,
+  'ecdsa': true
+};
+
+function HttpSignatureError(message, caller) {
+  if (Error.captureStackTrace)
+    Error.captureStackTrace(this, caller || HttpSignatureError);
+
+  this.message = message;
+  this.name = caller.name;
+}
+util.inherits(HttpSignatureError, Error);
+
+function InvalidAlgorithmError(message) {
+  HttpSignatureError.call(this, message, InvalidAlgorithmError);
+}
+util.inherits(InvalidAlgorithmError, HttpSignatureError);
+
+function validateAlgorithm(algorithm) {
+  var alg = algorithm.toLowerCase().split('-');
+
+  if (alg.length !== 2) {
+    throw (new InvalidAlgorithmError(alg[0].toUpperCase() + ' is not a ' +
+      'valid algorithm'));
+  }
+
+  if (alg[0] !== 'hmac' && !PK_ALGOS[alg[0]]) {
+    throw (new InvalidAlgorithmError(alg[0].toUpperCase() + ' type keys ' +
+      'are not supported'));
+  }
+
+  if (!HASH_ALGOS[alg[1]]) {
+    throw (new InvalidAlgorithmError(alg[1].toUpperCase() + ' is not a ' +
+      'supported hash algorithm'));
+  }
+
+  return (alg);
+}
+
+///--- API
+
+module.exports = {
+
+  HASH_ALGOS: HASH_ALGOS,
+  PK_ALGOS: PK_ALGOS,
+
+  HttpSignatureError: HttpSignatureError,
+  InvalidAlgorithmError: InvalidAlgorithmError,
+
+  validateAlgorithm: validateAlgorithm,
+
+  /**
+   * Converts an OpenSSH public key (rsa only) to a PKCS#8 PEM file.
+   *
+   * The intent of this module is to interoperate with OpenSSL only,
+   * specifically the node crypto module's `verify` method.
+   *
+   * @param {String} key an OpenSSH public key.
+   * @return {String} PEM encoded form of the RSA public key.
+   * @throws {TypeError} on bad input.
+   * @throws {Error} on invalid ssh key formatted data.
+   */
+  sshKeyToPEM: function sshKeyToPEM(key) {
+    assert.string(key, 'ssh_key');
+
+    var k = sshpk.parseKey(key, 'ssh');
+    return (k.toString('pem'));
+  },
+
+
+  /**
+   * Generates an OpenSSH fingerprint from an ssh public key.
+   *
+   * @param {String} key an OpenSSH public key.
+   * @return {String} key fingerprint.
+   * @throws {TypeError} on bad input.
+   * @throws {Error} if what you passed doesn't look like an ssh public key.
+   */
+  fingerprint: function fingerprint(key) {
+    assert.string(key, 'ssh_key');
+
+    var k = sshpk.parseKey(key, 'ssh');
+    return (k.fingerprint('md5').toString('hex'));
+  },
+
+  /**
+   * Converts a PKGCS#8 PEM file to an OpenSSH public key (rsa)
+   *
+   * The reverse of the above function.
+   */
+  pemToRsaSSHKey: function pemToRsaSSHKey(pem, comment) {
+    assert.equal('string', typeof (pem), 'typeof pem');
+
+    var k = sshpk.parseKey(pem, 'pem');
+    k.comment = comment;
+    return (k.toString('ssh'));
+  }
+};
diff --git a/node_modules/http-signature/lib/verify.js b/node_modules/http-signature/lib/verify.js
new file mode 100644
index 000000000..b053fd6bf
--- /dev/null
+++ b/node_modules/http-signature/lib/verify.js
@@ -0,0 +1,88 @@
+// Copyright 2015 Joyent, Inc.
+
+var assert = require('assert-plus');
+var crypto = require('crypto');
+var sshpk = require('sshpk');
+var utils = require('./utils');
+
+var HASH_ALGOS = utils.HASH_ALGOS;
+var PK_ALGOS = utils.PK_ALGOS;
+var InvalidAlgorithmError = utils.InvalidAlgorithmError;
+var HttpSignatureError = utils.HttpSignatureError;
+var validateAlgorithm = utils.validateAlgorithm;
+
+///--- Exported API
+
+module.exports = {
+  /**
+   * Verify RSA/DSA signature against public key.  You are expected to pass in
+   * an object that was returned from `parse()`.
+   *
+   * @param {Object} parsedSignature the object you got from `parse`.
+   * @param {String} pubkey RSA/DSA private key PEM.
+   * @return {Boolean} true if valid, false otherwise.
+   * @throws {TypeError} if you pass in bad arguments.
+   * @throws {InvalidAlgorithmError}
+   */
+  verifySignature: function verifySignature(parsedSignature, pubkey) {
+    assert.object(parsedSignature, 'parsedSignature');
+    if (typeof (pubkey) === 'string' || Buffer.isBuffer(pubkey))
+      pubkey = sshpk.parseKey(pubkey);
+    assert.ok(sshpk.Key.isKey(pubkey, [1, 1]), 'pubkey must be a sshpk.Key');
+
+    var alg = validateAlgorithm(parsedSignature.algorithm);
+    if (alg[0] === 'hmac' || alg[0] !== pubkey.type)
+      return (false);
+
+    var v = pubkey.createVerify(alg[1]);
+    v.update(parsedSignature.signingString);
+    return (v.verify(parsedSignature.params.signature, 'base64'));
+  },
+
+  /**
+   * Verify HMAC against shared secret.  You are expected to pass in an object
+   * that was returned from `parse()`.
+   *
+   * @param {Object} parsedSignature the object you got from `parse`.
+   * @param {String} secret HMAC shared secret.
+   * @return {Boolean} true if valid, false otherwise.
+   * @throws {TypeError} if you pass in bad arguments.
+   * @throws {InvalidAlgorithmError}
+   */
+  verifyHMAC: function verifyHMAC(parsedSignature, secret) {
+    assert.object(parsedSignature, 'parsedHMAC');
+    assert.string(secret, 'secret');
+
+    var alg = validateAlgorithm(parsedSignature.algorithm);
+    if (alg[0] !== 'hmac')
+      return (false);
+
+    var hashAlg = alg[1].toUpperCase();
+
+    var hmac = crypto.createHmac(hashAlg, secret);
+    hmac.update(parsedSignature.signingString);
+
+    /*
+     * Now double-hash to avoid leaking timing information - there's
+     * no easy constant-time compare in JS, so we use this approach
+     * instead. See for more info:
+     * https://www.isecpartners.com/blog/2011/february/double-hmac-
+     * verification.aspx
+     */
+    var h1 = crypto.createHmac(hashAlg, secret);
+    h1.update(hmac.digest());
+    h1 = h1.digest();
+    var h2 = crypto.createHmac(hashAlg, secret);
+    h2.update(new Buffer(parsedSignature.params.signature, 'base64'));
+    h2 = h2.digest();
+
+    /* Node 0.8 returns strings from .digest(). */
+    if (typeof (h1) === 'string')
+      return (h1 === h2);
+    /* And node 0.10 lacks the .equals() method on Buffers. */
+    if (Buffer.isBuffer(h1) && !h1.equals)
+      return (h1.toString('binary') === h2.toString('binary'));
+
+    return (h1.equals(h2));
+  }
+};
diff --git a/node_modules/http-signature/package.json b/node_modules/http-signature/package.json
new file mode 100644
index 000000000..df07d53d7
--- /dev/null
+++ b/node_modules/http-signature/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "http-signature",
+  "description": "Reference implementation of Joyent's HTTP Signature scheme.",
+  "version": "1.2.0",
+  "license": "MIT",
+  "author": "Joyent, Inc",
+  "contributors": [
+    "Mark Cavage <mcavage@gmail.com>",
+    "David I. Lehn <dil@lehn.org>",
+    "Patrick Mooney <patrick.f.mooney@gmail.com>"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/joyent/node-http-signature.git"
+  },
+  "homepage": "https://github.com/joyent/node-http-signature/",
+  "bugs": "https://github.com/joyent/node-http-signature/issues",
+  "keywords": [
+    "https",
+    "request"
+  ],
+  "engines": {
+    "node": ">=0.8",
+    "npm": ">=1.3.7"
+  },
+  "main": "lib/index.js",
+  "scripts": {
+    "test": "tap test/*.js"
+  },
+  "dependencies": {
+    "assert-plus": "^1.0.0",
+    "jsprim": "^1.2.2",
+    "sshpk": "^1.7.0"
+  },
+  "devDependencies": {
+    "tap": "0.4.2",
+    "uuid": "^2.0.2"
+  }
+}
diff --git a/node_modules/iconv-lite/Changelog.md b/node_modules/iconv-lite/Changelog.md
new file mode 100644
index 000000000..f252313f8
--- /dev/null
+++ b/node_modules/iconv-lite/Changelog.md
@@ -0,0 +1,162 @@
+# 0.4.24 / 2018-08-22
+
+  * Added MIK encoding (#196, by @Ivan-Kalatchev)
+
+
+# 0.4.23 / 2018-05-07
+
+  * Fix deprecation warning in Node v10 due to the last usage of `new Buffer` (#185, by @felixbuenemann)
+  * Switched from NodeBuffer to Buffer in typings (#155 by @felixfbecker, #186 by @larssn)
+
+
+# 0.4.22 / 2018-05-05
+
+  * Use older semver style for dependencies to be compatible with Node version 0.10 (#182, by @dougwilson)
+  * Fix tests to accomodate fixes in Node v10 (#182, by @dougwilson)
+
+
+# 0.4.21 / 2018-04-06
+
+  * Fix encoding canonicalization (#156)
+  * Fix the paths in the "browser" field in package.json (#174 by @LMLB)
+  * Removed "contributors" section in package.json - see Git history instead.
+
+
+# 0.4.20 / 2018-04-06
+
+  * Updated `new Buffer()` usages with recommended replacements as it's being deprecated in Node v10 (#176, #178 by @ChALkeR)
+
+
+# 0.4.19 / 2017-09-09
+
+  * Fixed iso8859-1 codec regression in handling untranslatable characters (#162, caused by #147)
+  * Re-generated windows1255 codec, because it was updated in iconv project
+  * Fixed grammar in error message when iconv-lite is loaded with encoding other than utf8
+
+
+# 0.4.18 / 2017-06-13
+
+  * Fixed CESU-8 regression in Node v8.
+
+
+# 0.4.17 / 2017-04-22
+
+ * Updated typescript definition file to support Angular 2 AoT mode (#153 by @larssn)
+
+
+# 0.4.16 / 2017-04-22
+
+ * Added support for React Native (#150)
+ * Changed iso8859-1 encoding to usine internal 'binary' encoding, as it's the same thing (#147 by @mscdex)
+ * Fixed typo in Readme (#138 by @jiangzhuo)
+ * Fixed build for Node v6.10+ by making correct version comparison
+ * Added a warning if iconv-lite is loaded not as utf-8 (see #142)
+
+
+# 0.4.15 / 2016-11-21
+
+ * Fixed typescript type definition (#137)
+
+
+# 0.4.14 / 2016-11-20
+
+ * Preparation for v1.0
+ * Added Node v6 and latest Node versions to Travis CI test rig
+ * Deprecated Node v0.8 support
+ * Typescript typings (@larssn)
+ * Fix encoding of Euro character in GB 18030 (inspired by @lygstate)
+ * Add ms prefix to dbcs windows encodings (@rokoroku)
+
+
+# 0.4.13 / 2015-10-01
+
+ * Fix silly mistake in deprecation notice.
+
+
+# 0.4.12 / 2015-09-26
+
+ * Node v4 support:
+   * Added CESU-8 decoding (#106)
+   * Added deprecation notice for `extendNodeEncodings`
+   * Added Travis tests for Node v4 and io.js latest (#105 by @Mithgol)
+
+
+# 0.4.11 / 2015-07-03
+
+ * Added CESU-8 encoding.
+
+
+# 0.4.10 / 2015-05-26
+
+ * Changed UTF-16 endianness heuristic to take into account any ASCII chars, not
+   just spaces. This should minimize the importance of "default" endianness.
+
+
+# 0.4.9 / 2015-05-24
+
+ * Streamlined BOM handling: strip BOM by default, add BOM when encoding if 
+   addBOM: true. Added docs to Readme.
+ * UTF16 now uses UTF16-LE by default.
+ * Fixed minor issue with big5 encoding.
+ * Added io.js testing on Travis; updated node-iconv version to test against.
+   Now we just skip testing SBCS encodings that node-iconv doesn't support.
+ * (internal refactoring) Updated codec interface to use classes.
+ * Use strict mode in all files.
+
+
+# 0.4.8 / 2015-04-14
+ 
+ * added alias UNICODE-1-1-UTF-7 for UTF-7 encoding (#94)
+
+
+# 0.4.7 / 2015-02-05
+
+ * stop official support of Node.js v0.8. Should still work, but no guarantees.
+   reason: Packages needed for testing are hard to get on Travis CI.
+ * work in environment where Object.prototype is monkey patched with enumerable 
+   props (#89).
+
+
+# 0.4.6 / 2015-01-12
+ 
+ * fix rare aliases of single-byte encodings (thanks @mscdex)
+ * double the timeout for dbcs tests to make them less flaky on travis
+
+
+# 0.4.5 / 2014-11-20
+
+ * fix windows-31j and x-sjis encoding support (@nleush)
+ * minor fix: undefined variable reference when internal error happens
+
+
+# 0.4.4 / 2014-07-16
+
+ * added encodings UTF-7 (RFC2152) and UTF-7-IMAP (RFC3501 Section 5.1.3)
+ * fixed streaming base64 encoding
+
+
+# 0.4.3 / 2014-06-14
+
+ * added encodings UTF-16BE and UTF-16 with BOM
+
+
+# 0.4.2 / 2014-06-12
+
+ * don't throw exception if `extendNodeEncodings()` is called more than once
+
+
+# 0.4.1 / 2014-06-11
+
+ * codepage 808 added
+
+
+# 0.4.0 / 2014-06-10
+
+ * code is rewritten from scratch
+ * all widespread encodings are supported
+ * streaming interface added
+ * browserify compatibility added
+ * (optional) extend core primitive encodings to make usage even simpler
+ * moved from vows to mocha as the testing framework
+
+
diff --git a/node_modules/iconv-lite/LICENSE b/node_modules/iconv-lite/LICENSE
new file mode 100644
index 000000000..d518d8376
--- /dev/null
+++ b/node_modules/iconv-lite/LICENSE
@@ -0,0 +1,21 @@
+Copyright (c) 2011 Alexander Shtuchkin
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/node_modules/iconv-lite/README.md b/node_modules/iconv-lite/README.md
new file mode 100644
index 000000000..c981c3708
--- /dev/null
+++ b/node_modules/iconv-lite/README.md
@@ -0,0 +1,156 @@
+## Pure JS character encoding conversion [![Build Status](https://travis-ci.org/ashtuchkin/iconv-lite.svg?branch=master)](https://travis-ci.org/ashtuchkin/iconv-lite)
+
+ * Doesn't need native code compilation. Works on Windows and in sandboxed environments like [Cloud9](http://c9.io).
+ * Used in popular projects like [Express.js (body_parser)](https://github.com/expressjs/body-parser), 
+   [Grunt](http://gruntjs.com/), [Nodemailer](http://www.nodemailer.com/), [Yeoman](http://yeoman.io/) and others.
+ * Faster than [node-iconv](https://github.com/bnoordhuis/node-iconv) (see below for performance comparison).
+ * Intuitive encode/decode API
+ * Streaming support for Node v0.10+
+ * [Deprecated] Can extend Node.js primitives (buffers, streams) to support all iconv-lite encodings.
+ * In-browser usage via [Browserify](https://github.com/substack/node-browserify) (~180k gzip compressed with Buffer shim included).
+ * Typescript [type definition file](https://github.com/ashtuchkin/iconv-lite/blob/master/lib/index.d.ts) included.
+ * React Native is supported (need to explicitly `npm install` two more modules: `buffer` and `stream`).
+ * License: MIT.
+
+[![NPM Stats](https://nodei.co/npm/iconv-lite.png?downloads=true&downloadRank=true)](https://npmjs.org/packages/iconv-lite/)
+
+## Usage
+### Basic API
+```javascript
+var iconv = require('iconv-lite');
+
+// Convert from an encoded buffer to js string.
+str = iconv.decode(Buffer.from([0x68, 0x65, 0x6c, 0x6c, 0x6f]), 'win1251');
+
+// Convert from js string to an encoded buffer.
+buf = iconv.encode("Sample input string", 'win1251');
+
+// Check if encoding is supported
+iconv.encodingExists("us-ascii")
+```
+
+### Streaming API (Node v0.10+)
+```javascript
+
+// Decode stream (from binary stream to js strings)
+http.createServer(function(req, res) {
+    var converterStream = iconv.decodeStream('win1251');
+    req.pipe(converterStream);
+
+    converterStream.on('data', function(str) {
+        console.log(str); // Do something with decoded strings, chunk-by-chunk.
+    });
+});
+
+// Convert encoding streaming example
+fs.createReadStream('file-in-win1251.txt')
+    .pipe(iconv.decodeStream('win1251'))
+    .pipe(iconv.encodeStream('ucs2'))
+    .pipe(fs.createWriteStream('file-in-ucs2.txt'));
+
+// Sugar: all encode/decode streams have .collect(cb) method to accumulate data.
+http.createServer(function(req, res) {
+    req.pipe(iconv.decodeStream('win1251')).collect(function(err, body) {
+        assert(typeof body == 'string');
+        console.log(body); // full request body string
+    });
+});
+```
+
+### [Deprecated] Extend Node.js own encodings
+> NOTE: This doesn't work on latest Node versions. See [details](https://github.com/ashtuchkin/iconv-lite/wiki/Node-v4-compatibility).
+
+```javascript
+// After this call all Node basic primitives will understand iconv-lite encodings.
+iconv.extendNodeEncodings();
+
+// Examples:
+buf = new Buffer(str, 'win1251');
+buf.write(str, 'gbk');
+str = buf.toString('latin1');
+assert(Buffer.isEncoding('iso-8859-15'));
+Buffer.byteLength(str, 'us-ascii');
+
+http.createServer(function(req, res) {
+    req.setEncoding('big5');
+    req.collect(function(err, body) {
+        console.log(body);
+    });
+});
+
+fs.createReadStream("file.txt", "shift_jis");
+
+// External modules are also supported (if they use Node primitives, which they probably do).
+request = require('request');
+request({
+    url: "http://github.com/", 
+    encoding: "cp932"
+});
+
+// To remove extensions
+iconv.undoExtendNodeEncodings();
+```
+
+## Supported encodings
+
+ *  All node.js native encodings: utf8, ucs2 / utf16-le, ascii, binary, base64, hex.
+ *  Additional unicode encodings: utf16, utf16-be, utf-7, utf-7-imap.
+ *  All widespread singlebyte encodings: Windows 125x family, ISO-8859 family, 
+    IBM/DOS codepages, Macintosh family, KOI8 family, all others supported by iconv library. 
+    Aliases like 'latin1', 'us-ascii' also supported.
+ *  All widespread multibyte encodings: CP932, CP936, CP949, CP950, GB2312, GBK, GB18030, Big5, Shift_JIS, EUC-JP.
+
+See [all supported encodings on wiki](https://github.com/ashtuchkin/iconv-lite/wiki/Supported-Encodings).
+
+Most singlebyte encodings are generated automatically from [node-iconv](https://github.com/bnoordhuis/node-iconv). Thank you Ben Noordhuis and libiconv authors!
+
+Multibyte encodings are generated from [Unicode.org mappings](http://www.unicode.org/Public/MAPPINGS/) and [WHATWG Encoding Standard mappings](http://encoding.spec.whatwg.org/). Thank you, respective authors!
+
+
+## Encoding/decoding speed
+
+Comparison with node-iconv module (1000x256kb, on MacBook Pro, Core i5/2.6 GHz, Node v0.12.0). 
+Note: your results may vary, so please always check on your hardware.
+
+    operation             iconv@2.1.4   iconv-lite@0.4.7
+    ----------------------------------------------------------
+    encode('win1251')     ~96 Mb/s      ~320 Mb/s
+    decode('win1251')     ~95 Mb/s      ~246 Mb/s
+
+## BOM handling
+
+ * Decoding: BOM is stripped by default, unless overridden by passing `stripBOM: false` in options
+   (f.ex. `iconv.decode(buf, enc, {stripBOM: false})`).
+   A callback might also be given as a `stripBOM` parameter - it'll be called if BOM character was actually found.
+ * If you want to detect UTF-8 BOM when decoding other encodings, use [node-autodetect-decoder-stream](https://github.com/danielgindi/node-autodetect-decoder-stream) module.
+ * Encoding: No BOM added, unless overridden by `addBOM: true` option.
+
+## UTF-16 Encodings
+
+This library supports UTF-16LE, UTF-16BE and UTF-16 encodings. First two are straightforward, but UTF-16 is trying to be
+smart about endianness in the following ways:
+ * Decoding: uses BOM and 'spaces heuristic' to determine input endianness. Default is UTF-16LE, but can be 
+   overridden with `defaultEncoding: 'utf-16be'` option. Strips BOM unless `stripBOM: false`.
+ * Encoding: uses UTF-16LE and writes BOM by default. Use `addBOM: false` to override.
+
+## Other notes
+
+When decoding, be sure to supply a Buffer to decode() method, otherwise [bad things usually happen](https://github.com/ashtuchkin/iconv-lite/wiki/Use-Buffers-when-decoding).  
+Untranslatable characters are set to � or ?. No transliteration is currently supported.  
+Node versions 0.10.31 and 0.11.13 are buggy, don't use them (see #65, #77).  
+
+## Testing
+
+```bash
+$ git clone git@github.com:ashtuchkin/iconv-lite.git
+$ cd iconv-lite
+$ npm install
+$ npm test
+    
+$ # To view performance:
+$ node test/performance.js
+
+$ # To view test coverage:
+$ npm run coverage
+$ open coverage/lcov-report/index.html
+```
diff --git a/node_modules/iconv-lite/encodings/dbcs-codec.js b/node_modules/iconv-lite/encodings/dbcs-codec.js
new file mode 100644
index 000000000..1fe3e1601
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/dbcs-codec.js
@@ -0,0 +1,555 @@
+"use strict";
+var Buffer = require("safer-buffer").Buffer;
+
+// Multibyte codec. In this scheme, a character is represented by 1 or more bytes.
+// Our codec supports UTF-16 surrogates, extensions for GB18030 and unicode sequences.
+// To save memory and loading time, we read table files only when requested.
+
+exports._dbcs = DBCSCodec;
+
+var UNASSIGNED = -1,
+    GB18030_CODE = -2,
+    SEQ_START  = -10,
+    NODE_START = -1000,
+    UNASSIGNED_NODE = new Array(0x100),
+    DEF_CHAR = -1;
+
+for (var i = 0; i < 0x100; i++)
+    UNASSIGNED_NODE[i] = UNASSIGNED;
+
+
+// Class DBCSCodec reads and initializes mapping tables.
+function DBCSCodec(codecOptions, iconv) {
+    this.encodingName = codecOptions.encodingName;
+    if (!codecOptions)
+        throw new Error("DBCS codec is called without the data.")
+    if (!codecOptions.table)
+        throw new Error("Encoding '" + this.encodingName + "' has no data.");
+
+    // Load tables.
+    var mappingTable = codecOptions.table();
+
+
+    // Decode tables: MBCS -> Unicode.
+
+    // decodeTables is a trie, encoded as an array of arrays of integers. Internal arrays are trie nodes and all have len = 256.
+    // Trie root is decodeTables[0].
+    // Values: >=  0 -> unicode character code. can be > 0xFFFF
+    //         == UNASSIGNED -> unknown/unassigned sequence.
+    //         == GB18030_CODE -> this is the end of a GB18030 4-byte sequence.
+    //         <= NODE_START -> index of the next node in our trie to process next byte.
+    //         <= SEQ_START  -> index of the start of a character code sequence, in decodeTableSeq.
+    this.decodeTables = [];
+    this.decodeTables[0] = UNASSIGNED_NODE.slice(0); // Create root node.
+
+    // Sometimes a MBCS char corresponds to a sequence of unicode chars. We store them as arrays of integers here. 
+    this.decodeTableSeq = [];
+
+    // Actual mapping tables consist of chunks. Use them to fill up decode tables.
+    for (var i = 0; i < mappingTable.length; i++)
+        this._addDecodeChunk(mappingTable[i]);
+
+    this.defaultCharUnicode = iconv.defaultCharUnicode;
+
+    
+    // Encode tables: Unicode -> DBCS.
+
+    // `encodeTable` is array mapping from unicode char to encoded char. All its values are integers for performance.
+    // Because it can be sparse, it is represented as array of buckets by 256 chars each. Bucket can be null.
+    // Values: >=  0 -> it is a normal char. Write the value (if <=256 then 1 byte, if <=65536 then 2 bytes, etc.).
+    //         == UNASSIGNED -> no conversion found. Output a default char.
+    //         <= SEQ_START  -> it's an index in encodeTableSeq, see below. The character starts a sequence.
+    this.encodeTable = [];
+    
+    // `encodeTableSeq` is used when a sequence of unicode characters is encoded as a single code. We use a tree of
+    // objects where keys correspond to characters in sequence and leafs are the encoded dbcs values. A special DEF_CHAR key
+    // means end of sequence (needed when one sequence is a strict subsequence of another).
+    // Objects are kept separately from encodeTable to increase performance.
+    this.encodeTableSeq = [];
+
+    // Some chars can be decoded, but need not be encoded.
+    var skipEncodeChars = {};
+    if (codecOptions.encodeSkipVals)
+        for (var i = 0; i < codecOptions.encodeSkipVals.length; i++) {
+            var val = codecOptions.encodeSkipVals[i];
+            if (typeof val === 'number')
+                skipEncodeChars[val] = true;
+            else
+                for (var j = val.from; j <= val.to; j++)
+                    skipEncodeChars[j] = true;
+        }
+        
+    // Use decode trie to recursively fill out encode tables.
+    this._fillEncodeTable(0, 0, skipEncodeChars);
+
+    // Add more encoding pairs when needed.
+    if (codecOptions.encodeAdd) {
+        for (var uChar in codecOptions.encodeAdd)
+            if (Object.prototype.hasOwnProperty.call(codecOptions.encodeAdd, uChar))
+                this._setEncodeChar(uChar.charCodeAt(0), codecOptions.encodeAdd[uChar]);
+    }
+
+    this.defCharSB  = this.encodeTable[0][iconv.defaultCharSingleByte.charCodeAt(0)];
+    if (this.defCharSB === UNASSIGNED) this.defCharSB = this.encodeTable[0]['?'];
+    if (this.defCharSB === UNASSIGNED) this.defCharSB = "?".charCodeAt(0);
+
+
+    // Load & create GB18030 tables when needed.
+    if (typeof codecOptions.gb18030 === 'function') {
+        this.gb18030 = codecOptions.gb18030(); // Load GB18030 ranges.
+
+        // Add GB18030 decode tables.
+        var thirdByteNodeIdx = this.decodeTables.length;
+        var thirdByteNode = this.decodeTables[thirdByteNodeIdx] = UNASSIGNED_NODE.slice(0);
+
+        var fourthByteNodeIdx = this.decodeTables.length;
+        var fourthByteNode = this.decodeTables[fourthByteNodeIdx] = UNASSIGNED_NODE.slice(0);
+
+        for (var i = 0x81; i <= 0xFE; i++) {
+            var secondByteNodeIdx = NODE_START - this.decodeTables[0][i];
+            var secondByteNode = this.decodeTables[secondByteNodeIdx];
+            for (var j = 0x30; j <= 0x39; j++)
+                secondByteNode[j] = NODE_START - thirdByteNodeIdx;
+        }
+        for (var i = 0x81; i <= 0xFE; i++)
+            thirdByteNode[i] = NODE_START - fourthByteNodeIdx;
+        for (var i = 0x30; i <= 0x39; i++)
+            fourthByteNode[i] = GB18030_CODE
+    }        
+}
+
+DBCSCodec.prototype.encoder = DBCSEncoder;
+DBCSCodec.prototype.decoder = DBCSDecoder;
+
+// Decoder helpers
+DBCSCodec.prototype._getDecodeTrieNode = function(addr) {
+    var bytes = [];
+    for (; addr > 0; addr >>= 8)
+        bytes.push(addr & 0xFF);
+    if (bytes.length == 0)
+        bytes.push(0);
+
+    var node = this.decodeTables[0];
+    for (var i = bytes.length-1; i > 0; i--) { // Traverse nodes deeper into the trie.
+        var val = node[bytes[i]];
+
+        if (val == UNASSIGNED) { // Create new node.
+            node[bytes[i]] = NODE_START - this.decodeTables.length;
+            this.decodeTables.push(node = UNASSIGNED_NODE.slice(0));
+        }
+        else if (val <= NODE_START) { // Existing node.
+            node = this.decodeTables[NODE_START - val];
+        }
+        else
+            throw new Error("Overwrite byte in " + this.encodingName + ", addr: " + addr.toString(16));
+    }
+    return node;
+}
+
+
+DBCSCodec.prototype._addDecodeChunk = function(chunk) {
+    // First element of chunk is the hex mbcs code where we start.
+    var curAddr = parseInt(chunk[0], 16);
+
+    // Choose the decoding node where we'll write our chars.
+    var writeTable = this._getDecodeTrieNode(curAddr);
+    curAddr = curAddr & 0xFF;
+
+    // Write all other elements of the chunk to the table.
+    for (var k = 1; k < chunk.length; k++) {
+        var part = chunk[k];
+        if (typeof part === "string") { // String, write as-is.
+            for (var l = 0; l < part.length;) {
+                var code = part.charCodeAt(l++);
+                if (0xD800 <= code && code < 0xDC00) { // Decode surrogate
+                    var codeTrail = part.charCodeAt(l++);
+                    if (0xDC00 <= codeTrail && codeTrail < 0xE000)
+                        writeTable[curAddr++] = 0x10000 + (code - 0xD800) * 0x400 + (codeTrail - 0xDC00);
+                    else
+                        throw new Error("Incorrect surrogate pair in "  + this.encodingName + " at chunk " + chunk[0]);
+                }
+                else if (0x0FF0 < code && code <= 0x0FFF) { // Character sequence (our own encoding used)
+                    var len = 0xFFF - code + 2;
+                    var seq = [];
+                    for (var m = 0; m < len; m++)
+                        seq.push(part.charCodeAt(l++)); // Simple variation: don't support surrogates or subsequences in seq.
+
+                    writeTable[curAddr++] = SEQ_START - this.decodeTableSeq.length;
+                    this.decodeTableSeq.push(seq);
+                }
+                else
+                    writeTable[curAddr++] = code; // Basic char
+            }
+        } 
+        else if (typeof part === "number") { // Integer, meaning increasing sequence starting with prev character.
+            var charCode = writeTable[curAddr - 1] + 1;
+            for (var l = 0; l < part; l++)
+                writeTable[curAddr++] = charCode++;
+        }
+        else
+            throw new Error("Incorrect type '" + typeof part + "' given in "  + this.encodingName + " at chunk " + chunk[0]);
+    }
+    if (curAddr > 0xFF)
+        throw new Error("Incorrect chunk in "  + this.encodingName + " at addr " + chunk[0] + ": too long" + curAddr);
+}
+
+// Encoder helpers
+DBCSCodec.prototype._getEncodeBucket = function(uCode) {
+    var high = uCode >> 8; // This could be > 0xFF because of astral characters.
+    if (this.encodeTable[high] === undefined)
+        this.encodeTable[high] = UNASSIGNED_NODE.slice(0); // Create bucket on demand.
+    return this.encodeTable[high];
+}
+
+DBCSCodec.prototype._setEncodeChar = function(uCode, dbcsCode) {
+    var bucket = this._getEncodeBucket(uCode);
+    var low = uCode & 0xFF;
+    if (bucket[low] <= SEQ_START)
+        this.encodeTableSeq[SEQ_START-bucket[low]][DEF_CHAR] = dbcsCode; // There's already a sequence, set a single-char subsequence of it.
+    else if (bucket[low] == UNASSIGNED)
+        bucket[low] = dbcsCode;
+}
+
+DBCSCodec.prototype._setEncodeSequence = function(seq, dbcsCode) {
+    
+    // Get the root of character tree according to first character of the sequence.
+    var uCode = seq[0];
+    var bucket = this._getEncodeBucket(uCode);
+    var low = uCode & 0xFF;
+
+    var node;
+    if (bucket[low] <= SEQ_START) {
+        // There's already a sequence with  - use it.
+        node = this.encodeTableSeq[SEQ_START-bucket[low]];
+    }
+    else {
+        // There was no sequence object - allocate a new one.
+        node = {};
+        if (bucket[low] !== UNASSIGNED) node[DEF_CHAR] = bucket[low]; // If a char was set before - make it a single-char subsequence.
+        bucket[low] = SEQ_START - this.encodeTableSeq.length;
+        this.encodeTableSeq.push(node);
+    }
+
+    // Traverse the character tree, allocating new nodes as needed.
+    for (var j = 1; j < seq.length-1; j++) {
+        var oldVal = node[uCode];
+        if (typeof oldVal === 'object')
+            node = oldVal;
+        else {
+            node = node[uCode] = {}
+            if (oldVal !== undefined)
+                node[DEF_CHAR] = oldVal
+        }
+    }
+
+    // Set the leaf to given dbcsCode.
+    uCode = seq[seq.length-1];
+    node[uCode] = dbcsCode;
+}
+
+DBCSCodec.prototype._fillEncodeTable = function(nodeIdx, prefix, skipEncodeChars) {
+    var node = this.decodeTables[nodeIdx];
+    for (var i = 0; i < 0x100; i++) {
+        var uCode = node[i];
+        var mbCode = prefix + i;
+        if (skipEncodeChars[mbCode])
+            continue;
+
+        if (uCode >= 0)
+            this._setEncodeChar(uCode, mbCode);
+        else if (uCode <= NODE_START)
+            this._fillEncodeTable(NODE_START - uCode, mbCode << 8, skipEncodeChars);
+        else if (uCode <= SEQ_START)
+            this._setEncodeSequence(this.decodeTableSeq[SEQ_START - uCode], mbCode);
+    }
+}
+
+
+
+// == Encoder ==================================================================
+
+function DBCSEncoder(options, codec) {
+    // Encoder state
+    this.leadSurrogate = -1;
+    this.seqObj = undefined;
+    
+    // Static data
+    this.encodeTable = codec.encodeTable;
+    this.encodeTableSeq = codec.encodeTableSeq;
+    this.defaultCharSingleByte = codec.defCharSB;
+    this.gb18030 = codec.gb18030;
+}
+
+DBCSEncoder.prototype.write = function(str) {
+    var newBuf = Buffer.alloc(str.length * (this.gb18030 ? 4 : 3)),
+        leadSurrogate = this.leadSurrogate,
+        seqObj = this.seqObj, nextChar = -1,
+        i = 0, j = 0;
+
+    while (true) {
+        // 0. Get next character.
+        if (nextChar === -1) {
+            if (i == str.length) break;
+            var uCode = str.charCodeAt(i++);
+        }
+        else {
+            var uCode = nextChar;
+            nextChar = -1;    
+        }
+
+        // 1. Handle surrogates.
+        if (0xD800 <= uCode && uCode < 0xE000) { // Char is one of surrogates.
+            if (uCode < 0xDC00) { // We've got lead surrogate.
+                if (leadSurrogate === -1) {
+                    leadSurrogate = uCode;
+                    continue;
+                } else {
+                    leadSurrogate = uCode;
+                    // Double lead surrogate found.
+                    uCode = UNASSIGNED;
+                }
+            } else { // We've got trail surrogate.
+                if (leadSurrogate !== -1) {
+                    uCode = 0x10000 + (leadSurrogate - 0xD800) * 0x400 + (uCode - 0xDC00);
+                    leadSurrogate = -1;
+                } else {
+                    // Incomplete surrogate pair - only trail surrogate found.
+                    uCode = UNASSIGNED;
+                }
+                
+            }
+        }
+        else if (leadSurrogate !== -1) {
+            // Incomplete surrogate pair - only lead surrogate found.
+            nextChar = uCode; uCode = UNASSIGNED; // Write an error, then current char.
+            leadSurrogate = -1;
+        }
+
+        // 2. Convert uCode character.
+        var dbcsCode = UNASSIGNED;
+        if (seqObj !== undefined && uCode != UNASSIGNED) { // We are in the middle of the sequence
+            var resCode = seqObj[uCode];
+            if (typeof resCode === 'object') { // Sequence continues.
+                seqObj = resCode;
+                continue;
+
+            } else if (typeof resCode == 'number') { // Sequence finished. Write it.
+                dbcsCode = resCode;
+
+            } else if (resCode == undefined) { // Current character is not part of the sequence.
+
+                // Try default character for this sequence
+                resCode = seqObj[DEF_CHAR];
+                if (resCode !== undefined) {
+                    dbcsCode = resCode; // Found. Write it.
+                    nextChar = uCode; // Current character will be written too in the next iteration.
+
+                } else {
+                    // TODO: What if we have no default? (resCode == undefined)
+                    // Then, we should write first char of the sequence as-is and try the rest recursively.
+                    // Didn't do it for now because no encoding has this situation yet.
+                    // Currently, just skip the sequence and write current char.
+                }
+            }
+            seqObj = undefined;
+        }
+        else if (uCode >= 0) {  // Regular character
+            var subtable = this.encodeTable[uCode >> 8];
+            if (subtable !== undefined)
+                dbcsCode = subtable[uCode & 0xFF];
+            
+            if (dbcsCode <= SEQ_START) { // Sequence start
+                seqObj = this.encodeTableSeq[SEQ_START-dbcsCode];
+                continue;
+            }
+
+            if (dbcsCode == UNASSIGNED && this.gb18030) {
+                // Use GB18030 algorithm to find character(s) to write.
+                var idx = findIdx(this.gb18030.uChars, uCode);
+                if (idx != -1) {
+                    var dbcsCode = this.gb18030.gbChars[idx] + (uCode - this.gb18030.uChars[idx]);
+                    newBuf[j++] = 0x81 + Math.floor(dbcsCode / 12600); dbcsCode = dbcsCode % 12600;
+                    newBuf[j++] = 0x30 + Math.floor(dbcsCode / 1260); dbcsCode = dbcsCode % 1260;
+                    newBuf[j++] = 0x81 + Math.floor(dbcsCode / 10); dbcsCode = dbcsCode % 10;
+                    newBuf[j++] = 0x30 + dbcsCode;
+                    continue;
+                }
+            }
+        }
+
+        // 3. Write dbcsCode character.
+        if (dbcsCode === UNASSIGNED)
+            dbcsCode = this.defaultCharSingleByte;
+        
+        if (dbcsCode < 0x100) {
+            newBuf[j++] = dbcsCode;
+        }
+        else if (dbcsCode < 0x10000) {
+            newBuf[j++] = dbcsCode >> 8;   // high byte
+            newBuf[j++] = dbcsCode & 0xFF; // low byte
+        }
+        else {
+            newBuf[j++] = dbcsCode >> 16;
+            newBuf[j++] = (dbcsCode >> 8) & 0xFF;
+            newBuf[j++] = dbcsCode & 0xFF;
+        }
+    }
+
+    this.seqObj = seqObj;
+    this.leadSurrogate = leadSurrogate;
+    return newBuf.slice(0, j);
+}
+
+DBCSEncoder.prototype.end = function() {
+    if (this.leadSurrogate === -1 && this.seqObj === undefined)
+        return; // All clean. Most often case.
+
+    var newBuf = Buffer.alloc(10), j = 0;
+
+    if (this.seqObj) { // We're in the sequence.
+        var dbcsCode = this.seqObj[DEF_CHAR];
+        if (dbcsCode !== undefined) { // Write beginning of the sequence.
+            if (dbcsCode < 0x100) {
+                newBuf[j++] = dbcsCode;
+            }
+            else {
+                newBuf[j++] = dbcsCode >> 8;   // high byte
+                newBuf[j++] = dbcsCode & 0xFF; // low byte
+            }
+        } else {
+            // See todo above.
+        }
+        this.seqObj = undefined;
+    }
+
+    if (this.leadSurrogate !== -1) {
+        // Incomplete surrogate pair - only lead surrogate found.
+        newBuf[j++] = this.defaultCharSingleByte;
+        this.leadSurrogate = -1;
+    }
+    
+    return newBuf.slice(0, j);
+}
+
+// Export for testing
+DBCSEncoder.prototype.findIdx = findIdx;
+
+
+// == Decoder ==================================================================
+
+function DBCSDecoder(options, codec) {
+    // Decoder state
+    this.nodeIdx = 0;
+    this.prevBuf = Buffer.alloc(0);
+
+    // Static data
+    this.decodeTables = codec.decodeTables;
+    this.decodeTableSeq = codec.decodeTableSeq;
+    this.defaultCharUnicode = codec.defaultCharUnicode;
+    this.gb18030 = codec.gb18030;
+}
+
+DBCSDecoder.prototype.write = function(buf) {
+    var newBuf = Buffer.alloc(buf.length*2),
+        nodeIdx = this.nodeIdx, 
+        prevBuf = this.prevBuf, prevBufOffset = this.prevBuf.length,
+        seqStart = -this.prevBuf.length, // idx of the start of current parsed sequence.
+        uCode;
+
+    if (prevBufOffset > 0) // Make prev buf overlap a little to make it easier to slice later.
+        prevBuf = Buffer.concat([prevBuf, buf.slice(0, 10)]);
+    
+    for (var i = 0, j = 0; i < buf.length; i++) {
+        var curByte = (i >= 0) ? buf[i] : prevBuf[i + prevBufOffset];
+
+        // Lookup in current trie node.
+        var uCode = this.decodeTables[nodeIdx][curByte];
+
+        if (uCode >= 0) { 
+            // Normal character, just use it.
+        }
+        else if (uCode === UNASSIGNED) { // Unknown char.
+            // TODO: Callback with seq.
+            //var curSeq = (seqStart >= 0) ? buf.slice(seqStart, i+1) : prevBuf.slice(seqStart + prevBufOffset, i+1 + prevBufOffset);
+            i = seqStart; // Try to parse again, after skipping first byte of the sequence ('i' will be incremented by 'for' cycle).
+            uCode = this.defaultCharUnicode.charCodeAt(0);
+        }
+        else if (uCode === GB18030_CODE) {
+            var curSeq = (seqStart >= 0) ? buf.slice(seqStart, i+1) : prevBuf.slice(seqStart + prevBufOffset, i+1 + prevBufOffset);
+            var ptr = (curSeq[0]-0x81)*12600 + (curSeq[1]-0x30)*1260 + (curSeq[2]-0x81)*10 + (curSeq[3]-0x30);
+            var idx = findIdx(this.gb18030.gbChars, ptr);
+            uCode = this.gb18030.uChars[idx] + ptr - this.gb18030.gbChars[idx];
+        }
+        else if (uCode <= NODE_START) { // Go to next trie node.
+            nodeIdx = NODE_START - uCode;
+            continue;
+        }
+        else if (uCode <= SEQ_START) { // Output a sequence of chars.
+            var seq = this.decodeTableSeq[SEQ_START - uCode];
+            for (var k = 0; k < seq.length - 1; k++) {
+                uCode = seq[k];
+                newBuf[j++] = uCode & 0xFF;
+                newBuf[j++] = uCode >> 8;
+            }
+            uCode = seq[seq.length-1];
+        }
+        else
+            throw new Error("iconv-lite internal error: invalid decoding table value " + uCode + " at " + nodeIdx + "/" + curByte);
+
+        // Write the character to buffer, handling higher planes using surrogate pair.
+        if (uCode > 0xFFFF) { 
+            uCode -= 0x10000;
+            var uCodeLead = 0xD800 + Math.floor(uCode / 0x400);
+            newBuf[j++] = uCodeLead & 0xFF;
+            newBuf[j++] = uCodeLead >> 8;
+
+            uCode = 0xDC00 + uCode % 0x400;
+        }
+        newBuf[j++] = uCode & 0xFF;
+        newBuf[j++] = uCode >> 8;
+
+        // Reset trie node.
+        nodeIdx = 0; seqStart = i+1;
+    }
+
+    this.nodeIdx = nodeIdx;
+    this.prevBuf = (seqStart >= 0) ? buf.slice(seqStart) : prevBuf.slice(seqStart + prevBufOffset);
+    return newBuf.slice(0, j).toString('ucs2');
+}
+
+DBCSDecoder.prototype.end = function() {
+    var ret = '';
+
+    // Try to parse all remaining chars.
+    while (this.prevBuf.length > 0) {
+        // Skip 1 character in the buffer.
+        ret += this.defaultCharUnicode;
+        var buf = this.prevBuf.slice(1);
+
+        // Parse remaining as usual.
+        this.prevBuf = Buffer.alloc(0);
+        this.nodeIdx = 0;
+        if (buf.length > 0)
+            ret += this.write(buf);
+    }
+
+    this.nodeIdx = 0;
+    return ret;
+}
+
+// Binary search for GB18030. Returns largest i such that table[i] <= val.
+function findIdx(table, val) {
+    if (table[0] > val)
+        return -1;
+
+    var l = 0, r = table.length;
+    while (l < r-1) { // always table[l] <= val < table[r]
+        var mid = l + Math.floor((r-l+1)/2);
+        if (table[mid] <= val)
+            l = mid;
+        else
+            r = mid;
+    }
+    return l;
+}
+
diff --git a/node_modules/iconv-lite/encodings/dbcs-data.js b/node_modules/iconv-lite/encodings/dbcs-data.js
new file mode 100644
index 000000000..4b6191434
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/dbcs-data.js
@@ -0,0 +1,176 @@
+"use strict";
+
+// Description of supported double byte encodings and aliases.
+// Tables are not require()-d until they are needed to speed up library load.
+// require()-s are direct to support Browserify.
+
+module.exports = {
+    
+    // == Japanese/ShiftJIS ====================================================
+    // All japanese encodings are based on JIS X set of standards:
+    // JIS X 0201 - Single-byte encoding of ASCII + ¥ + Kana chars at 0xA1-0xDF.
+    // JIS X 0208 - Main set of 6879 characters, placed in 94x94 plane, to be encoded by 2 bytes. 
+    //              Has several variations in 1978, 1983, 1990 and 1997.
+    // JIS X 0212 - Supplementary plane of 6067 chars in 94x94 plane. 1990. Effectively dead.
+    // JIS X 0213 - Extension and modern replacement of 0208 and 0212. Total chars: 11233.
+    //              2 planes, first is superset of 0208, second - revised 0212.
+    //              Introduced in 2000, revised 2004. Some characters are in Unicode Plane 2 (0x2xxxx)
+
+    // Byte encodings are:
+    //  * Shift_JIS: Compatible with 0201, uses not defined chars in top half as lead bytes for double-byte
+    //               encoding of 0208. Lead byte ranges: 0x81-0x9F, 0xE0-0xEF; Trail byte ranges: 0x40-0x7E, 0x80-0x9E, 0x9F-0xFC.
+    //               Windows CP932 is a superset of Shift_JIS. Some companies added more chars, notably KDDI.
+    //  * EUC-JP:    Up to 3 bytes per character. Used mostly on *nixes.
+    //               0x00-0x7F       - lower part of 0201
+    //               0x8E, 0xA1-0xDF - upper part of 0201
+    //               (0xA1-0xFE)x2   - 0208 plane (94x94).
+    //               0x8F, (0xA1-0xFE)x2 - 0212 plane (94x94).
+    //  * JIS X 208: 7-bit, direct encoding of 0208. Byte ranges: 0x21-0x7E (94 values). Uncommon.
+    //               Used as-is in ISO2022 family.
+    //  * ISO2022-JP: Stateful encoding, with escape sequences to switch between ASCII, 
+    //                0201-1976 Roman, 0208-1978, 0208-1983.
+    //  * ISO2022-JP-1: Adds esc seq for 0212-1990.
+    //  * ISO2022-JP-2: Adds esc seq for GB2313-1980, KSX1001-1992, ISO8859-1, ISO8859-7.
+    //  * ISO2022-JP-3: Adds esc seq for 0201-1976 Kana set, 0213-2000 Planes 1, 2.
+    //  * ISO2022-JP-2004: Adds 0213-2004 Plane 1.
+    //
+    // After JIS X 0213 appeared, Shift_JIS-2004, EUC-JISX0213 and ISO2022-JP-2004 followed, with just changing the planes.
+    //
+    // Overall, it seems that it's a mess :( http://www8.plala.or.jp/tkubota1/unicode-symbols-map2.html
+
+    'shiftjis': {
+        type: '_dbcs',
+        table: function() { return require('./tables/shiftjis.json') },
+        encodeAdd: {'\u00a5': 0x5C, '\u203E': 0x7E},
+        encodeSkipVals: [{from: 0xED40, to: 0xF940}],
+    },
+    'csshiftjis': 'shiftjis',
+    'mskanji': 'shiftjis',
+    'sjis': 'shiftjis',
+    'windows31j': 'shiftjis',
+    'ms31j': 'shiftjis',
+    'xsjis': 'shiftjis',
+    'windows932': 'shiftjis',
+    'ms932': 'shiftjis',
+    '932': 'shiftjis',
+    'cp932': 'shiftjis',
+
+    'eucjp': {
+        type: '_dbcs',
+        table: function() { return require('./tables/eucjp.json') },
+        encodeAdd: {'\u00a5': 0x5C, '\u203E': 0x7E},
+    },
+
+    // TODO: KDDI extension to Shift_JIS
+    // TODO: IBM CCSID 942 = CP932, but F0-F9 custom chars and other char changes.
+    // TODO: IBM CCSID 943 = Shift_JIS = CP932 with original Shift_JIS lower 128 chars.
+
+
+    // == Chinese/GBK ==========================================================
+    // http://en.wikipedia.org/wiki/GBK
+    // We mostly implement W3C recommendation: https://www.w3.org/TR/encoding/#gbk-encoder
+
+    // Oldest GB2312 (1981, ~7600 chars) is a subset of CP936
+    'gb2312': 'cp936',
+    'gb231280': 'cp936',
+    'gb23121980': 'cp936',
+    'csgb2312': 'cp936',
+    'csiso58gb231280': 'cp936',
+    'euccn': 'cp936',
+
+    // Microsoft's CP936 is a subset and approximation of GBK.
+    'windows936': 'cp936',
+    'ms936': 'cp936',
+    '936': 'cp936',
+    'cp936': {
+        type: '_dbcs',
+        table: function() { return require('./tables/cp936.json') },
+    },
+
+    // GBK (~22000 chars) is an extension of CP936 that added user-mapped chars and some other.
+    'gbk': {
+        type: '_dbcs',
+        table: function() { return require('./tables/cp936.json').concat(require('./tables/gbk-added.json')) },
+    },
+    'xgbk': 'gbk',
+    'isoir58': 'gbk',
+
+    // GB18030 is an algorithmic extension of GBK.
+    // Main source: https://www.w3.org/TR/encoding/#gbk-encoder
+    // http://icu-project.org/docs/papers/gb18030.html
+    // http://source.icu-project.org/repos/icu/data/trunk/charset/data/xml/gb-18030-2000.xml
+    // http://www.khngai.com/chinese/charmap/tblgbk.php?page=0
+    'gb18030': {
+        type: '_dbcs',
+        table: function() { return require('./tables/cp936.json').concat(require('./tables/gbk-added.json')) },
+        gb18030: function() { return require('./tables/gb18030-ranges.json') },
+        encodeSkipVals: [0x80],
+        encodeAdd: {'€': 0xA2E3},
+    },
+
+    'chinese': 'gb18030',
+
+
+    // == Korean ===============================================================
+    // EUC-KR, KS_C_5601 and KS X 1001 are exactly the same.
+    'windows949': 'cp949',
+    'ms949': 'cp949',
+    '949': 'cp949',
+    'cp949': {
+        type: '_dbcs',
+        table: function() { return require('./tables/cp949.json') },
+    },
+
+    'cseuckr': 'cp949',
+    'csksc56011987': 'cp949',
+    'euckr': 'cp949',
+    'isoir149': 'cp949',
+    'korean': 'cp949',
+    'ksc56011987': 'cp949',
+    'ksc56011989': 'cp949',
+    'ksc5601': 'cp949',
+
+
+    // == Big5/Taiwan/Hong Kong ================================================
+    // There are lots of tables for Big5 and cp950. Please see the following links for history:
+    // http://moztw.org/docs/big5/  http://www.haible.de/bruno/charsets/conversion-tables/Big5.html
+    // Variations, in roughly number of defined chars:
+    //  * Windows CP 950: Microsoft variant of Big5. Canonical: http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP950.TXT
+    //  * Windows CP 951: Microsoft variant of Big5-HKSCS-2001. Seems to be never public. http://me.abelcheung.org/articles/research/what-is-cp951/
+    //  * Big5-2003 (Taiwan standard) almost superset of cp950.
+    //  * Unicode-at-on (UAO) / Mozilla 1.8. Falling out of use on the Web. Not supported by other browsers.
+    //  * Big5-HKSCS (-2001, -2004, -2008). Hong Kong standard. 
+    //    many unicode code points moved from PUA to Supplementary plane (U+2XXXX) over the years.
+    //    Plus, it has 4 combining sequences.
+    //    Seems that Mozilla refused to support it for 10 yrs. https://bugzilla.mozilla.org/show_bug.cgi?id=162431 https://bugzilla.mozilla.org/show_bug.cgi?id=310299
+    //    because big5-hkscs is the only encoding to include astral characters in non-algorithmic way.
+    //    Implementations are not consistent within browsers; sometimes labeled as just big5.
+    //    MS Internet Explorer switches from big5 to big5-hkscs when a patch applied.
+    //    Great discussion & recap of what's going on https://bugzilla.mozilla.org/show_bug.cgi?id=912470#c31
+    //    In the encoder, it might make sense to support encoding old PUA mappings to Big5 bytes seq-s.
+    //    Official spec: http://www.ogcio.gov.hk/en/business/tech_promotion/ccli/terms/doc/2003cmp_2008.txt
+    //                   http://www.ogcio.gov.hk/tc/business/tech_promotion/ccli/terms/doc/hkscs-2008-big5-iso.txt
+    // 
+    // Current understanding of how to deal with Big5(-HKSCS) is in the Encoding Standard, http://encoding.spec.whatwg.org/#big5-encoder
+    // Unicode mapping (http://www.unicode.org/Public/MAPPINGS/OBSOLETE/EASTASIA/OTHER/BIG5.TXT) is said to be wrong.
+
+    'windows950': 'cp950',
+    'ms950': 'cp950',
+    '950': 'cp950',
+    'cp950': {
+        type: '_dbcs',
+        table: function() { return require('./tables/cp950.json') },
+    },
+
+    // Big5 has many variations and is an extension of cp950. We use Encoding Standard's as a consensus.
+    'big5': 'big5hkscs',
+    'big5hkscs': {
+        type: '_dbcs',
+        table: function() { return require('./tables/cp950.json').concat(require('./tables/big5-added.json')) },
+        encodeSkipVals: [0xa2cc],
+    },
+
+    'cnbig5': 'big5hkscs',
+    'csbig5': 'big5hkscs',
+    'xxbig5': 'big5hkscs',
+};
diff --git a/node_modules/iconv-lite/encodings/index.js b/node_modules/iconv-lite/encodings/index.js
new file mode 100644
index 000000000..e30400317
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/index.js
@@ -0,0 +1,22 @@
+"use strict";
+
+// Update this array if you add/rename/remove files in this directory.
+// We support Browserify by skipping automatic module discovery and requiring modules directly.
+var modules = [
+    require("./internal"),
+    require("./utf16"),
+    require("./utf7"),
+    require("./sbcs-codec"),
+    require("./sbcs-data"),
+    require("./sbcs-data-generated"),
+    require("./dbcs-codec"),
+    require("./dbcs-data"),
+];
+
+// Put all encoding/alias/codec definitions to single object and export it. 
+for (var i = 0; i < modules.length; i++) {
+    var module = modules[i];
+    for (var enc in module)
+        if (Object.prototype.hasOwnProperty.call(module, enc))
+            exports[enc] = module[enc];
+}
diff --git a/node_modules/iconv-lite/encodings/internal.js b/node_modules/iconv-lite/encodings/internal.js
new file mode 100644
index 000000000..05ce38b27
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/internal.js
@@ -0,0 +1,188 @@
+"use strict";
+var Buffer = require("safer-buffer").Buffer;
+
+// Export Node.js internal encodings.
+
+module.exports = {
+    // Encodings
+    utf8:   { type: "_internal", bomAware: true},
+    cesu8:  { type: "_internal", bomAware: true},
+    unicode11utf8: "utf8",
+
+    ucs2:   { type: "_internal", bomAware: true},
+    utf16le: "ucs2",
+
+    binary: { type: "_internal" },
+    base64: { type: "_internal" },
+    hex:    { type: "_internal" },
+
+    // Codec.
+    _internal: InternalCodec,
+};
+
+//------------------------------------------------------------------------------
+
+function InternalCodec(codecOptions, iconv) {
+    this.enc = codecOptions.encodingName;
+    this.bomAware = codecOptions.bomAware;
+
+    if (this.enc === "base64")
+        this.encoder = InternalEncoderBase64;
+    else if (this.enc === "cesu8") {
+        this.enc = "utf8"; // Use utf8 for decoding.
+        this.encoder = InternalEncoderCesu8;
+
+        // Add decoder for versions of Node not supporting CESU-8
+        if (Buffer.from('eda0bdedb2a9', 'hex').toString() !== '💩') {
+            this.decoder = InternalDecoderCesu8;
+            this.defaultCharUnicode = iconv.defaultCharUnicode;
+        }
+    }
+}
+
+InternalCodec.prototype.encoder = InternalEncoder;
+InternalCodec.prototype.decoder = InternalDecoder;
+
+//------------------------------------------------------------------------------
+
+// We use node.js internal decoder. Its signature is the same as ours.
+var StringDecoder = require('string_decoder').StringDecoder;
+
+if (!StringDecoder.prototype.end) // Node v0.8 doesn't have this method.
+    StringDecoder.prototype.end = function() {};
+
+
+function InternalDecoder(options, codec) {
+    StringDecoder.call(this, codec.enc);
+}
+
+InternalDecoder.prototype = StringDecoder.prototype;
+
+
+//------------------------------------------------------------------------------
+// Encoder is mostly trivial
+
+function InternalEncoder(options, codec) {
+    this.enc = codec.enc;
+}
+
+InternalEncoder.prototype.write = function(str) {
+    return Buffer.from(str, this.enc);
+}
+
+InternalEncoder.prototype.end = function() {
+}
+
+
+//------------------------------------------------------------------------------
+// Except base64 encoder, which must keep its state.
+
+function InternalEncoderBase64(options, codec) {
+    this.prevStr = '';
+}
+
+InternalEncoderBase64.prototype.write = function(str) {
+    str = this.prevStr + str;
+    var completeQuads = str.length - (str.length % 4);
+    this.prevStr = str.slice(completeQuads);
+    str = str.slice(0, completeQuads);
+
+    return Buffer.from(str, "base64");
+}
+
+InternalEncoderBase64.prototype.end = function() {
+    return Buffer.from(this.prevStr, "base64");
+}
+
+
+//------------------------------------------------------------------------------
+// CESU-8 encoder is also special.
+
+function InternalEncoderCesu8(options, codec) {
+}
+
+InternalEncoderCesu8.prototype.write = function(str) {
+    var buf = Buffer.alloc(str.length * 3), bufIdx = 0;
+    for (var i = 0; i < str.length; i++) {
+        var charCode = str.charCodeAt(i);
+        // Naive implementation, but it works because CESU-8 is especially easy
+        // to convert from UTF-16 (which all JS strings are encoded in).
+        if (charCode < 0x80)
+            buf[bufIdx++] = charCode;
+        else if (charCode < 0x800) {
+            buf[bufIdx++] = 0xC0 + (charCode >>> 6);
+            buf[bufIdx++] = 0x80 + (charCode & 0x3f);
+        }
+        else { // charCode will always be < 0x10000 in javascript.
+            buf[bufIdx++] = 0xE0 + (charCode >>> 12);
+            buf[bufIdx++] = 0x80 + ((charCode >>> 6) & 0x3f);
+            buf[bufIdx++] = 0x80 + (charCode & 0x3f);
+        }
+    }
+    return buf.slice(0, bufIdx);
+}
+
+InternalEncoderCesu8.prototype.end = function() {
+}
+
+//------------------------------------------------------------------------------
+// CESU-8 decoder is not implemented in Node v4.0+
+
+function InternalDecoderCesu8(options, codec) {
+    this.acc = 0;
+    this.contBytes = 0;
+    this.accBytes = 0;
+    this.defaultCharUnicode = codec.defaultCharUnicode;
+}
+
+InternalDecoderCesu8.prototype.write = function(buf) {
+    var acc = this.acc, contBytes = this.contBytes, accBytes = this.accBytes, 
+        res = '';
+    for (var i = 0; i < buf.length; i++) {
+        var curByte = buf[i];
+        if ((curByte & 0xC0) !== 0x80) { // Leading byte
+            if (contBytes > 0) { // Previous code is invalid
+                res += this.defaultCharUnicode;
+                contBytes = 0;
+            }
+
+            if (curByte < 0x80) { // Single-byte code
+                res += String.fromCharCode(curByte);
+            } else if (curByte < 0xE0) { // Two-byte code
+                acc = curByte & 0x1F;
+                contBytes = 1; accBytes = 1;
+            } else if (curByte < 0xF0) { // Three-byte code
+                acc = curByte & 0x0F;
+                contBytes = 2; accBytes = 1;
+            } else { // Four or more are not supported for CESU-8.
+                res += this.defaultCharUnicode;
+            }
+        } else { // Continuation byte
+            if (contBytes > 0) { // We're waiting for it.
+                acc = (acc << 6) | (curByte & 0x3f);
+                contBytes--; accBytes++;
+                if (contBytes === 0) {
+                    // Check for overlong encoding, but support Modified UTF-8 (encoding NULL as C0 80)
+                    if (accBytes === 2 && acc < 0x80 && acc > 0)
+                        res += this.defaultCharUnicode;
+                    else if (accBytes === 3 && acc < 0x800)
+                        res += this.defaultCharUnicode;
+                    else
+                        // Actually add character.
+                        res += String.fromCharCode(acc);
+                }
+            } else { // Unexpected continuation byte
+                res += this.defaultCharUnicode;
+            }
+        }
+    }
+    this.acc = acc; this.contBytes = contBytes; this.accBytes = accBytes;
+    return res;
+}
+
+InternalDecoderCesu8.prototype.end = function() {
+    var res = 0;
+    if (this.contBytes > 0)
+        res += this.defaultCharUnicode;
+    return res;
+}
diff --git a/node_modules/iconv-lite/encodings/sbcs-codec.js b/node_modules/iconv-lite/encodings/sbcs-codec.js
new file mode 100644
index 000000000..abac5ffaa
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/sbcs-codec.js
@@ -0,0 +1,72 @@
+"use strict";
+var Buffer = require("safer-buffer").Buffer;
+
+// Single-byte codec. Needs a 'chars' string parameter that contains 256 or 128 chars that
+// correspond to encoded bytes (if 128 - then lower half is ASCII). 
+
+exports._sbcs = SBCSCodec;
+function SBCSCodec(codecOptions, iconv) {
+    if (!codecOptions)
+        throw new Error("SBCS codec is called without the data.")
+    
+    // Prepare char buffer for decoding.
+    if (!codecOptions.chars || (codecOptions.chars.length !== 128 && codecOptions.chars.length !== 256))
+        throw new Error("Encoding '"+codecOptions.type+"' has incorrect 'chars' (must be of len 128 or 256)");
+    
+    if (codecOptions.chars.length === 128) {
+        var asciiString = "";
+        for (var i = 0; i < 128; i++)
+            asciiString += String.fromCharCode(i);
+        codecOptions.chars = asciiString + codecOptions.chars;
+    }
+
+    this.decodeBuf = Buffer.from(codecOptions.chars, 'ucs2');
+    
+    // Encoding buffer.
+    var encodeBuf = Buffer.alloc(65536, iconv.defaultCharSingleByte.charCodeAt(0));
+
+    for (var i = 0; i < codecOptions.chars.length; i++)
+        encodeBuf[codecOptions.chars.charCodeAt(i)] = i;
+
+    this.encodeBuf = encodeBuf;
+}
+
+SBCSCodec.prototype.encoder = SBCSEncoder;
+SBCSCodec.prototype.decoder = SBCSDecoder;
+
+
+function SBCSEncoder(options, codec) {
+    this.encodeBuf = codec.encodeBuf;
+}
+
+SBCSEncoder.prototype.write = function(str) {
+    var buf = Buffer.alloc(str.length);
+    for (var i = 0; i < str.length; i++)
+        buf[i] = this.encodeBuf[str.charCodeAt(i)];
+    
+    return buf;
+}
+
+SBCSEncoder.prototype.end = function() {
+}
+
+
+function SBCSDecoder(options, codec) {
+    this.decodeBuf = codec.decodeBuf;
+}
+
+SBCSDecoder.prototype.write = function(buf) {
+    // Strings are immutable in JS -> we use ucs2 buffer to speed up computations.
+    var decodeBuf = this.decodeBuf;
+    var newBuf = Buffer.alloc(buf.length*2);
+    var idx1 = 0, idx2 = 0;
+    for (var i = 0; i < buf.length; i++) {
+        idx1 = buf[i]*2; idx2 = i*2;
+        newBuf[idx2] = decodeBuf[idx1];
+        newBuf[idx2+1] = decodeBuf[idx1+1];
+    }
+    return newBuf.toString('ucs2');
+}
+
+SBCSDecoder.prototype.end = function() {
+}
diff --git a/node_modules/iconv-lite/encodings/sbcs-data-generated.js b/node_modules/iconv-lite/encodings/sbcs-data-generated.js
new file mode 100644
index 000000000..9b4823607
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/sbcs-data-generated.js
@@ -0,0 +1,451 @@
+"use strict";
+
+// Generated data for sbcs codec. Don't edit manually. Regenerate using generation/gen-sbcs.js script.
+module.exports = {
+  "437": "cp437",
+  "737": "cp737",
+  "775": "cp775",
+  "850": "cp850",
+  "852": "cp852",
+  "855": "cp855",
+  "856": "cp856",
+  "857": "cp857",
+  "858": "cp858",
+  "860": "cp860",
+  "861": "cp861",
+  "862": "cp862",
+  "863": "cp863",
+  "864": "cp864",
+  "865": "cp865",
+  "866": "cp866",
+  "869": "cp869",
+  "874": "windows874",
+  "922": "cp922",
+  "1046": "cp1046",
+  "1124": "cp1124",
+  "1125": "cp1125",
+  "1129": "cp1129",
+  "1133": "cp1133",
+  "1161": "cp1161",
+  "1162": "cp1162",
+  "1163": "cp1163",
+  "1250": "windows1250",
+  "1251": "windows1251",
+  "1252": "windows1252",
+  "1253": "windows1253",
+  "1254": "windows1254",
+  "1255": "windows1255",
+  "1256": "windows1256",
+  "1257": "windows1257",
+  "1258": "windows1258",
+  "28591": "iso88591",
+  "28592": "iso88592",
+  "28593": "iso88593",
+  "28594": "iso88594",
+  "28595": "iso88595",
+  "28596": "iso88596",
+  "28597": "iso88597",
+  "28598": "iso88598",
+  "28599": "iso88599",
+  "28600": "iso885910",
+  "28601": "iso885911",
+  "28603": "iso885913",
+  "28604": "iso885914",
+  "28605": "iso885915",
+  "28606": "iso885916",
+  "windows874": {
+    "type": "_sbcs",
+    "chars": "€����…�����������‘’“”•–—�������� กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู����฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛����"
+  },
+  "win874": "windows874",
+  "cp874": "windows874",
+  "windows1250": {
+    "type": "_sbcs",
+    "chars": "€�‚�„…†‡�‰Š‹ŚŤŽŹ�‘’“”•–—�™š›śťžź ˇ˘Ł¤Ą¦§¨©Ş«¬­®Ż°±˛ł´µ¶·¸ąş»Ľ˝ľżŔÁÂĂÄĹĆÇČÉĘËĚÍÎĎĐŃŇÓÔŐÖ×ŘŮÚŰÜÝŢßŕáâăäĺćçčéęëěíîďđńňóôőö÷řůúűüýţ˙"
+  },
+  "win1250": "windows1250",
+  "cp1250": "windows1250",
+  "windows1251": {
+    "type": "_sbcs",
+    "chars": "ЂЃ‚ѓ„…†‡€‰Љ‹ЊЌЋЏђ‘’“”•–—�™љ›њќћџ ЎўЈ¤Ґ¦§Ё©Є«¬­®Ї°±Ііґµ¶·ё№є»јЅѕїАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя"
+  },
+  "win1251": "windows1251",
+  "cp1251": "windows1251",
+  "windows1252": {
+    "type": "_sbcs",
+    "chars": "€�‚ƒ„…†‡ˆ‰Š‹Œ�Ž��‘’“”•–—˜™š›œ�žŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ"
+  },
+  "win1252": "windows1252",
+  "cp1252": "windows1252",
+  "windows1253": {
+    "type": "_sbcs",
+    "chars": "€�‚ƒ„…†‡�‰�‹�����‘’“”•–—�™�›���� ΅Ά£¤¥¦§¨©�«¬­®―°±²³΄µ¶·ΈΉΊ»Ό½ΎΏΐΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡ�ΣΤΥΦΧΨΩΪΫάέήίΰαβγδεζηθικλμνξοπρςστυφχψωϊϋόύώ�"
+  },
+  "win1253": "windows1253",
+  "cp1253": "windows1253",
+  "windows1254": {
+    "type": "_sbcs",
+    "chars": "€�‚ƒ„…†‡ˆ‰Š‹Œ����‘’“”•–—˜™š›œ��Ÿ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏĞÑÒÓÔÕÖ×ØÙÚÛÜİŞßàáâãäåæçèéêëìíîïğñòóôõö÷øùúûüışÿ"
+  },
+  "win1254": "windows1254",
+  "cp1254": "windows1254",
+  "windows1255": {
+    "type": "_sbcs",
+    "chars": "€�‚ƒ„…†‡ˆ‰�‹�����‘’“”•–—˜™�›���� ¡¢£₪¥¦§¨©×«¬­®¯°±²³´µ¶·¸¹÷»¼½¾¿ְֱֲֳִֵֶַָֹֺֻּֽ־ֿ׀ׁׂ׃װױײ׳״�������אבגדהוזחטיךכלםמןנסעףפץצקרשת��‎‏�"
+  },
+  "win1255": "windows1255",
+  "cp1255": "windows1255",
+  "windows1256": {
+    "type": "_sbcs",
+    "chars": "€پ‚ƒ„…†‡ˆ‰ٹ‹Œچژڈگ‘’“”•–—ک™ڑ›œ‌‍ں ،¢£¤¥¦§¨©ھ«¬­®¯°±²³´µ¶·¸¹؛»¼½¾؟ہءآأؤإئابةتثجحخدذرزسشصض×طظعغـفقكàلâمنهوçèéêëىيîïًٌٍَôُِ÷ّùْûü‎‏ے"
+  },
+  "win1256": "windows1256",
+  "cp1256": "windows1256",
+  "windows1257": {
+    "type": "_sbcs",
+    "chars": "€�‚�„…†‡�‰�‹�¨ˇ¸�‘’“”•–—�™�›�¯˛� �¢£¤�¦§Ø©Ŗ«¬­®Æ°±²³´µ¶·ø¹ŗ»¼½¾æĄĮĀĆÄÅĘĒČÉŹĖĢĶĪĻŠŃŅÓŌÕÖ×ŲŁŚŪÜŻŽßąįāćäåęēčéźėģķīļšńņóōõö÷ųłśūüżž˙"
+  },
+  "win1257": "windows1257",
+  "cp1257": "windows1257",
+  "windows1258": {
+    "type": "_sbcs",
+    "chars": "€�‚ƒ„…†‡ˆ‰�‹Œ����‘’“”•–—˜™�›œ��Ÿ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂĂÄÅÆÇÈÉÊË̀ÍÎÏĐÑ̉ÓÔƠÖ×ØÙÚÛÜỮßàáâăäåæçèéêë́íîïđṇ̃óôơö÷øùúûüư₫ÿ"
+  },
+  "win1258": "windows1258",
+  "cp1258": "windows1258",
+  "iso88591": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ"
+  },
+  "cp28591": "iso88591",
+  "iso88592": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ Ą˘Ł¤ĽŚ§¨ŠŞŤŹ­ŽŻ°ą˛ł´ľśˇ¸šşťź˝žżŔÁÂĂÄĹĆÇČÉĘËĚÍÎĎĐŃŇÓÔŐÖ×ŘŮÚŰÜÝŢßŕáâăäĺćçčéęëěíîďđńňóôőö÷řůúűüýţ˙"
+  },
+  "cp28592": "iso88592",
+  "iso88593": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ Ħ˘£¤�Ĥ§¨İŞĞĴ­�Ż°ħ²³´µĥ·¸ışğĵ½�żÀÁÂ�ÄĊĈÇÈÉÊËÌÍÎÏ�ÑÒÓÔĠÖ×ĜÙÚÛÜŬŜßàáâ�äċĉçèéêëìíîï�ñòóôġö÷ĝùúûüŭŝ˙"
+  },
+  "cp28593": "iso88593",
+  "iso88594": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ĄĸŖ¤ĨĻ§¨ŠĒĢŦ­Ž¯°ą˛ŗ´ĩļˇ¸šēģŧŊžŋĀÁÂÃÄÅÆĮČÉĘËĖÍÎĪĐŅŌĶÔÕÖ×ØŲÚÛÜŨŪßāáâãäåæįčéęëėíîīđņōķôõö÷øųúûüũū˙"
+  },
+  "cp28594": "iso88594",
+  "iso88595": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ЁЂЃЄЅІЇЈЉЊЋЌ­ЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя№ёђѓєѕіїјљњћќ§ўџ"
+  },
+  "cp28595": "iso88595",
+  "iso88596": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ���¤�������،­�������������؛���؟�ءآأؤإئابةتثجحخدذرزسشصضطظعغ�����ـفقكلمنهوىيًٌٍَُِّْ�������������"
+  },
+  "cp28596": "iso88596",
+  "iso88597": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ‘’£€₯¦§¨©ͺ«¬­�―°±²³΄΅Ά·ΈΉΊ»Ό½ΎΏΐΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡ�ΣΤΥΦΧΨΩΪΫάέήίΰαβγδεζηθικλμνξοπρςστυφχψωϊϋόύώ�"
+  },
+  "cp28597": "iso88597",
+  "iso88598": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ �¢£¤¥¦§¨©×«¬­®¯°±²³´µ¶·¸¹÷»¼½¾��������������������������������‗אבגדהוזחטיךכלםמןנסעףפץצקרשת��‎‏�"
+  },
+  "cp28598": "iso88598",
+  "iso88599": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏĞÑÒÓÔÕÖ×ØÙÚÛÜİŞßàáâãäåæçèéêëìíîïğñòóôõö÷øùúûüışÿ"
+  },
+  "cp28599": "iso88599",
+  "iso885910": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ĄĒĢĪĨĶ§ĻĐŠŦŽ­ŪŊ°ąēģīĩķ·ļđšŧž―ūŋĀÁÂÃÄÅÆĮČÉĘËĖÍÎÏÐŅŌÓÔÕÖŨØŲÚÛÜÝÞßāáâãäåæįčéęëėíîïðņōóôõöũøųúûüýþĸ"
+  },
+  "cp28600": "iso885910",
+  "iso885911": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู����฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛����"
+  },
+  "cp28601": "iso885911",
+  "iso885913": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ”¢£¤„¦§Ø©Ŗ«¬­®Æ°±²³“µ¶·ø¹ŗ»¼½¾æĄĮĀĆÄÅĘĒČÉŹĖĢĶĪĻŠŃŅÓŌÕÖ×ŲŁŚŪÜŻŽßąįāćäåęēčéźėģķīļšńņóōõö÷ųłśūüżž’"
+  },
+  "cp28603": "iso885913",
+  "iso885914": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ Ḃḃ£ĊċḊ§Ẁ©ẂḋỲ­®ŸḞḟĠġṀṁ¶ṖẁṗẃṠỳẄẅṡÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏŴÑÒÓÔÕÖṪØÙÚÛÜÝŶßàáâãäåæçèéêëìíîïŵñòóôõöṫøùúûüýŷÿ"
+  },
+  "cp28604": "iso885914",
+  "iso885915": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£€¥Š§š©ª«¬­®¯°±²³Žµ¶·ž¹º»ŒœŸ¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ"
+  },
+  "cp28605": "iso885915",
+  "iso885916": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ĄąŁ€„Š§š©Ș«Ź­źŻ°±ČłŽ”¶·žčș»ŒœŸżÀÁÂĂÄĆÆÇÈÉÊËÌÍÎÏĐŃÒÓÔŐÖŚŰÙÚÛÜĘȚßàáâăäćæçèéêëìíîïđńòóôőöśűùúûüęțÿ"
+  },
+  "cp28606": "iso885916",
+  "cp437": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜ¢£¥₧ƒáíóúñѪº¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+  },
+  "ibm437": "cp437",
+  "csibm437": "cp437",
+  "cp737": {
+    "type": "_sbcs",
+    "chars": "ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩαβγδεζηθικλμνξοπρσςτυφχψ░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀ωάέήϊίόύϋώΆΈΉΊΌΎΏ±≥≤ΪΫ÷≈°∙·√ⁿ²■ "
+  },
+  "ibm737": "cp737",
+  "csibm737": "cp737",
+  "cp775": {
+    "type": "_sbcs",
+    "chars": "ĆüéāäģåćłēŖŗīŹÄÅÉæÆōöĢ¢ŚśÖÜø£ØפĀĪóŻżź”¦©®¬½¼Ł«»░▒▓│┤ĄČĘĖ╣║╗╝ĮŠ┐└┴┬├─┼ŲŪ╚╔╩╦╠═╬Žąčęėįšųūž┘┌█▄▌▐▀ÓßŌŃõÕµńĶķĻļņĒŅ’­±“¾¶§÷„°∙·¹³²■ "
+  },
+  "ibm775": "cp775",
+  "csibm775": "cp775",
+  "cp850": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜø£Ø׃áíóúñѪº¿®¬½¼¡«»░▒▓│┤ÁÂÀ©╣║╗╝¢¥┐└┴┬├─┼ãÃ╚╔╩╦╠═╬¤ðÐÊËÈıÍÎÏ┘┌█▄¦Ì▀ÓßÔÒõÕµþÞÚÛÙýݯ´­±‗¾¶§÷¸°¨·¹³²■ "
+  },
+  "ibm850": "cp850",
+  "csibm850": "cp850",
+  "cp852": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäůćçłëŐőîŹÄĆÉĹĺôöĽľŚśÖÜŤťŁ×čáíóúĄąŽžĘ꬟Ⱥ«»░▒▓│┤ÁÂĚŞ╣║╗╝Żż┐└┴┬├─┼Ăă╚╔╩╦╠═╬¤đĐĎËďŇÍÎě┘┌█▄ŢŮ▀ÓßÔŃńňŠšŔÚŕŰýÝţ´­˝˛ˇ˘§÷¸°¨˙űŘř■ "
+  },
+  "ibm852": "cp852",
+  "csibm852": "cp852",
+  "cp855": {
+    "type": "_sbcs",
+    "chars": "ђЂѓЃёЁєЄѕЅіІїЇјЈљЉњЊћЋќЌўЎџЏюЮъЪаАбБцЦдДеЕфФгГ«»░▒▓│┤хХиИ╣║╗╝йЙ┐└┴┬├─┼кК╚╔╩╦╠═╬¤лЛмМнНоОп┘┌█▄Пя▀ЯрРсСтТуУжЖвВьЬ№­ыЫзЗшШэЭщЩчЧ§■ "
+  },
+  "ibm855": "cp855",
+  "csibm855": "cp855",
+  "cp856": {
+    "type": "_sbcs",
+    "chars": "אבגדהוזחטיךכלםמןנסעףפץצקרשת�£�×����������®¬½¼�«»░▒▓│┤���©╣║╗╝¢¥┐└┴┬├─┼��╚╔╩╦╠═╬¤���������┘┌█▄¦�▀������µ�������¯´­±‗¾¶§÷¸°¨·¹³²■ "
+  },
+  "ibm856": "cp856",
+  "csibm856": "cp856",
+  "cp857": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäàåçêëèïîıÄÅÉæÆôöòûùİÖÜø£ØŞşáíóúñÑĞ𿮬½¼¡«»░▒▓│┤ÁÂÀ©╣║╗╝¢¥┐└┴┬├─┼ãÃ╚╔╩╦╠═╬¤ºªÊËÈ�ÍÎÏ┘┌█▄¦Ì▀ÓßÔÒõÕµ�×ÚÛÙìÿ¯´­±�¾¶§÷¸°¨·¹³²■ "
+  },
+  "ibm857": "cp857",
+  "csibm857": "cp857",
+  "cp858": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜø£Ø׃áíóúñѪº¿®¬½¼¡«»░▒▓│┤ÁÂÀ©╣║╗╝¢¥┐└┴┬├─┼ãÃ╚╔╩╦╠═╬¤ðÐÊËÈ€ÍÎÏ┘┌█▄¦Ì▀ÓßÔÒõÕµþÞÚÛÙýݯ´­±‗¾¶§÷¸°¨·¹³²■ "
+  },
+  "ibm858": "cp858",
+  "csibm858": "cp858",
+  "cp860": {
+    "type": "_sbcs",
+    "chars": "ÇüéâãàÁçêÊèÍÔìÃÂÉÀÈôõòÚùÌÕÜ¢£Ù₧ÓáíóúñѪº¿Ò¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+  },
+  "ibm860": "cp860",
+  "csibm860": "cp860",
+  "cp861": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäàåçêëèÐðÞÄÅÉæÆôöþûÝýÖÜø£Ø₧ƒáíóúÁÍÓÚ¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+  },
+  "ibm861": "cp861",
+  "csibm861": "cp861",
+  "cp862": {
+    "type": "_sbcs",
+    "chars": "אבגדהוזחטיךכלםמןנסעףפץצקרשת¢£¥₧ƒáíóúñѪº¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+  },
+  "ibm862": "cp862",
+  "csibm862": "cp862",
+  "cp863": {
+    "type": "_sbcs",
+    "chars": "ÇüéâÂà¶çêëèïî‗À§ÉÈÊôËÏûù¤ÔÜ¢£ÙÛƒ¦´óú¨¸³¯Î⌐¬½¼¾«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+  },
+  "ibm863": "cp863",
+  "csibm863": "cp863",
+  "cp864": {
+    "type": "_sbcs",
+    "chars": "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f !\"#$٪&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~°·∙√▒─│┼┤┬├┴┐┌└┘β∞φ±½¼≈«»ﻷﻸ��ﻻﻼ� ­ﺂ£¤ﺄ��ﺎﺏﺕﺙ،ﺝﺡﺥ٠١٢٣٤٥٦٧٨٩ﻑ؛ﺱﺵﺹ؟¢ﺀﺁﺃﺅﻊﺋﺍﺑﺓﺗﺛﺟﺣﺧﺩﺫﺭﺯﺳﺷﺻﺿﻁﻅﻋﻏ¦¬÷×ﻉـﻓﻗﻛﻟﻣﻧﻫﻭﻯﻳﺽﻌﻎﻍﻡﹽّﻥﻩﻬﻰﻲﻐﻕﻵﻶﻝﻙﻱ■�"
+  },
+  "ibm864": "cp864",
+  "csibm864": "cp864",
+  "cp865": {
+    "type": "_sbcs",
+    "chars": "ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜø£Ø₧ƒáíóúñѪº¿⌐¬½¼¡«¤░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+  },
+  "ibm865": "cp865",
+  "csibm865": "cp865",
+  "cp866": {
+    "type": "_sbcs",
+    "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмноп░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀рстуфхцчшщъыьэюяЁёЄєЇїЎў°∙·√№¤■ "
+  },
+  "ibm866": "cp866",
+  "csibm866": "cp866",
+  "cp869": {
+    "type": "_sbcs",
+    "chars": "������Ά�·¬¦‘’Έ―ΉΊΪΌ��ΎΫ©Ώ²³ά£έήίϊΐόύΑΒΓΔΕΖΗ½ΘΙ«»░▒▓│┤ΚΛΜΝ╣║╗╝ΞΟ┐└┴┬├─┼ΠΡ╚╔╩╦╠═╬ΣΤΥΦΧΨΩαβγ┘┌█▄δε▀ζηθικλμνξοπρσςτ΄­±υφχ§ψ΅°¨ωϋΰώ■ "
+  },
+  "ibm869": "cp869",
+  "csibm869": "cp869",
+  "cp922": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®‾°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏŠÑÒÓÔÕÖ×ØÙÚÛÜÝŽßàáâãäåæçèéêëìíîïšñòóôõö÷øùúûüýžÿ"
+  },
+  "ibm922": "cp922",
+  "csibm922": "cp922",
+  "cp1046": {
+    "type": "_sbcs",
+    "chars": "ﺈ×÷ﹱˆ■│─┐┌└┘ﹹﹻﹽﹿﹷﺊﻰﻳﻲﻎﻏﻐﻶﻸﻺﻼ ¤ﺋﺑﺗﺛﺟﺣ،­ﺧﺳ٠١٢٣٤٥٦٧٨٩ﺷ؛ﺻﺿﻊ؟ﻋءآأؤإئابةتثجحخدذرزسشصضطﻇعغﻌﺂﺄﺎﻓـفقكلمنهوىيًٌٍَُِّْﻗﻛﻟﻵﻷﻹﻻﻣﻧﻬﻩ�"
+  },
+  "ibm1046": "cp1046",
+  "csibm1046": "cp1046",
+  "cp1124": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ЁЂҐЄЅІЇЈЉЊЋЌ­ЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя№ёђґєѕіїјљњћќ§ўџ"
+  },
+  "ibm1124": "cp1124",
+  "csibm1124": "cp1124",
+  "cp1125": {
+    "type": "_sbcs",
+    "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмноп░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀рстуфхцчшщъыьэюяЁёҐґЄєІіЇї·√№¤■ "
+  },
+  "ibm1125": "cp1125",
+  "csibm1125": "cp1125",
+  "cp1129": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§œ©ª«¬­®¯°±²³Ÿµ¶·Œ¹º»¼½¾¿ÀÁÂĂÄÅÆÇÈÉÊË̀ÍÎÏĐÑ̉ÓÔƠÖ×ØÙÚÛÜỮßàáâăäåæçèéêë́íîïđṇ̃óôơö÷øùúûüư₫ÿ"
+  },
+  "ibm1129": "cp1129",
+  "csibm1129": "cp1129",
+  "cp1133": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ກຂຄງຈສຊຍດຕຖທນບປຜຝພຟມຢຣລວຫອຮ���ຯະາຳິີຶືຸູຼັົຽ���ເແໂໃໄ່້໊໋໌ໍໆ�ໜໝ₭����������������໐໑໒໓໔໕໖໗໘໙��¢¬¦�"
+  },
+  "ibm1133": "cp1133",
+  "csibm1133": "cp1133",
+  "cp1161": {
+    "type": "_sbcs",
+    "chars": "��������������������������������่กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู้๊๋€฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛¢¬¦ "
+  },
+  "ibm1161": "cp1161",
+  "csibm1161": "cp1161",
+  "cp1162": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู����฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛����"
+  },
+  "ibm1162": "cp1162",
+  "csibm1162": "cp1162",
+  "cp1163": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£€¥¦§œ©ª«¬­®¯°±²³Ÿµ¶·Œ¹º»¼½¾¿ÀÁÂĂÄÅÆÇÈÉÊË̀ÍÎÏĐÑ̉ÓÔƠÖ×ØÙÚÛÜỮßàáâăäåæçèéêë́íîïđṇ̃óôơö÷øùúûüư₫ÿ"
+  },
+  "ibm1163": "cp1163",
+  "csibm1163": "cp1163",
+  "maccroatian": {
+    "type": "_sbcs",
+    "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®Š™´¨≠ŽØ∞±≤≥∆µ∂∑∏š∫ªºΩžø¿¡¬√ƒ≈Ć«Č… ÀÃÕŒœĐ—“”‘’÷◊�©⁄¤‹›Æ»–·‚„‰ÂćÁčÈÍÎÏÌÓÔđÒÚÛÙıˆ˜¯πË˚¸Êæˇ"
+  },
+  "maccyrillic": {
+    "type": "_sbcs",
+    "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ†°¢£§•¶І®©™Ђђ≠Ѓѓ∞±≤≥іµ∂ЈЄєЇїЉљЊњјЅ¬√ƒ≈∆«»… ЋћЌќѕ–—“”‘’÷„ЎўЏџ№Ёёяабвгдежзийклмнопрстуфхцчшщъыьэю¤"
+  },
+  "macgreek": {
+    "type": "_sbcs",
+    "chars": "Ĺ²É³ÖÜ΅àâä΄¨çéèê룙î‰ôö¦­ùûü†ΓΔΘΛΞΠß®©ΣΪ§≠°·Α±≤≥¥ΒΕΖΗΙΚΜΦΫΨΩάΝ¬ΟΡ≈Τ«»… ΥΧΆΈœ–―“”‘’÷ΉΊΌΎέήίόΏύαβψδεφγηιξκλμνοπώρστθωςχυζϊϋΐΰ�"
+  },
+  "maciceland": {
+    "type": "_sbcs",
+    "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûüÝ°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄¤ÐðÞþý·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ"
+  },
+  "macroman": {
+    "type": "_sbcs",
+    "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄¤‹›fifl‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ"
+  },
+  "macromania": {
+    "type": "_sbcs",
+    "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ĂŞ∞±≤≥¥µ∂∑∏π∫ªºΩăş¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄¤‹›Ţţ‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ"
+  },
+  "macthai": {
+    "type": "_sbcs",
+    "chars": "«»…“”�•‘’� กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู​–—฿เแโใไๅๆ็่้๊๋์ํ™๏๐๑๒๓๔๕๖๗๘๙®©����"
+  },
+  "macturkish": {
+    "type": "_sbcs",
+    "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸĞğİıŞş‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙ�ˆ˜¯˘˙˚¸˝˛ˇ"
+  },
+  "macukraine": {
+    "type": "_sbcs",
+    "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ†°Ґ£§•¶І®©™Ђђ≠Ѓѓ∞±≤≥іµґЈЄєЇїЉљЊњјЅ¬√ƒ≈∆«»… ЋћЌќѕ–—“”‘’÷„ЎўЏџ№Ёёяабвгдежзийклмнопрстуфхцчшщъыьэю¤"
+  },
+  "koi8r": {
+    "type": "_sbcs",
+    "chars": "─│┌┐└┘├┤┬┴┼▀▄█▌▐░▒▓⌠■∙√≈≤≥ ⌡°²·÷═║╒ё╓╔╕╖╗╘╙╚╛╜╝╞╟╠╡Ё╢╣╤╥╦╧╨╩╪╫╬©юабцдефгхийклмнопярстужвьызшэщчъЮАБЦДЕФГХИЙКЛМНОПЯРСТУЖВЬЫЗШЭЩЧЪ"
+  },
+  "koi8u": {
+    "type": "_sbcs",
+    "chars": "─│┌┐└┘├┤┬┴┼▀▄█▌▐░▒▓⌠■∙√≈≤≥ ⌡°²·÷═║╒ёє╔ії╗╘╙╚╛ґ╝╞╟╠╡ЁЄ╣ІЇ╦╧╨╩╪Ґ╬©юабцдефгхийклмнопярстужвьызшэщчъЮАБЦДЕФГХИЙКЛМНОПЯРСТУЖВЬЫЗШЭЩЧЪ"
+  },
+  "koi8ru": {
+    "type": "_sbcs",
+    "chars": "─│┌┐└┘├┤┬┴┼▀▄█▌▐░▒▓⌠■∙√≈≤≥ ⌡°²·÷═║╒ёє╔ії╗╘╙╚╛ґў╞╟╠╡ЁЄ╣ІЇ╦╧╨╩╪ҐЎ©юабцдефгхийклмнопярстужвьызшэщчъЮАБЦДЕФГХИЙКЛМНОПЯРСТУЖВЬЫЗШЭЩЧЪ"
+  },
+  "koi8t": {
+    "type": "_sbcs",
+    "chars": "қғ‚Ғ„…†‡�‰ҳ‹ҲҷҶ�Қ‘’“”•–—�™�›�����ӯӮё¤ӣ¦§���«¬­®�°±²Ё�Ӣ¶·�№�»���©юабцдефгхийклмнопярстужвьызшэщчъЮАБЦДЕФГХИЙКЛМНОПЯРСТУЖВЬЫЗШЭЩЧЪ"
+  },
+  "armscii8": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ �և։)(»«—.՝,-֊…՜՛՞ԱաԲբԳգԴդԵեԶզԷէԸըԹթԺժԻիԼլԽխԾծԿկՀհՁձՂղՃճՄմՅյՆնՇշՈոՉչՊպՋջՌռՍսՎվՏտՐրՑցՒւՓփՔքՕօՖֆ՚�"
+  },
+  "rk1048": {
+    "type": "_sbcs",
+    "chars": "ЂЃ‚ѓ„…†‡€‰Љ‹ЊҚҺЏђ‘’“”•–—�™љ›њқһџ ҰұӘ¤Ө¦§Ё©Ғ«¬­®Ү°±Ііөµ¶·ё№ғ»әҢңүАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя"
+  },
+  "tcvn": {
+    "type": "_sbcs",
+    "chars": "\u0000ÚỤ\u0003ỪỬỮ\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010ỨỰỲỶỸÝỴ\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~ÀẢÃÁẠẶẬÈẺẼÉẸỆÌỈĨÍỊÒỎÕÓỌỘỜỞỠỚỢÙỦŨ ĂÂÊÔƠƯĐăâêôơưđẶ̀̀̉̃́àảãáạẲằẳẵắẴẮẦẨẪẤỀặầẩẫấậèỂẻẽéẹềểễếệìỉỄẾỒĩíịòỔỏõóọồổỗốộờởỡớợùỖủũúụừửữứựỳỷỹýỵỐ"
+  },
+  "georgianacademy": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿აბგდევზთიკლმნოპჟრსტუფქღყშჩცძწჭხჯჰჱჲჳჴჵჶçèéêëìíîïðñòóôõö÷øùúûüýþÿ"
+  },
+  "georgianps": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿აბგდევზჱთიკლმნჲოპჟრსტჳუფქღყშჩცძწჭხჴჯჰჵæçèéêëìíîïðñòóôõö÷øùúûüýþÿ"
+  },
+  "pt154": {
+    "type": "_sbcs",
+    "chars": "ҖҒӮғ„…ҶҮҲүҠӢҢҚҺҸҗ‘’“”•–—ҳҷҡӣңқһҹ ЎўЈӨҘҰ§Ё©Ә«¬ӯ®Ҝ°ұІіҙө¶·ё№ә»јҪҫҝАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя"
+  },
+  "viscii": {
+    "type": "_sbcs",
+    "chars": "\u0000\u0001Ẳ\u0003\u0004ẴẪ\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010\u0011\u0012\u0013Ỷ\u0015\u0016\u0017\u0018Ỹ\u001a\u001b\u001c\u001dỴ\u001f !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~ẠẮẰẶẤẦẨẬẼẸẾỀỂỄỆỐỒỔỖỘỢỚỜỞỊỎỌỈỦŨỤỲÕắằặấầẩậẽẹếềểễệốồổỗỠƠộờởịỰỨỪỬơớƯÀÁÂÃẢĂẳẵÈÉÊẺÌÍĨỳĐứÒÓÔạỷừửÙÚỹỵÝỡưàáâãảăữẫèéêẻìíĩỉđựòóôõỏọụùúũủýợỮ"
+  },
+  "iso646cn": {
+    "type": "_sbcs",
+    "chars": "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f !\"#¥%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}‾��������������������������������������������������������������������������������������������������������������������������������"
+  },
+  "iso646jp": {
+    "type": "_sbcs",
+    "chars": "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[¥]^_`abcdefghijklmnopqrstuvwxyz{|}‾��������������������������������������������������������������������������������������������������������������������������������"
+  },
+  "hproman8": {
+    "type": "_sbcs",
+    "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ÀÂÈÊËÎÏ´ˋˆ¨˜ÙÛ₤¯Ýý°ÇçÑñ¡¿¤£¥§ƒ¢âêôûáéóúàèòùäëöüÅîØÆåíøæÄìÖÜÉïßÔÁÃãÐðÍÌÓÒÕõŠšÚŸÿÞþ·µ¶¾—¼½ªº«■»±�"
+  },
+  "macintosh": {
+    "type": "_sbcs",
+    "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄¤‹›fifl‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ"
+  },
+  "ascii": {
+    "type": "_sbcs",
+    "chars": "��������������������������������������������������������������������������������������������������������������������������������"
+  },
+  "tis620": {
+    "type": "_sbcs",
+    "chars": "���������������������������������กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู����฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛����"
+  }
+}
\ No newline at end of file
diff --git a/node_modules/iconv-lite/encodings/sbcs-data.js b/node_modules/iconv-lite/encodings/sbcs-data.js
new file mode 100644
index 000000000..fdb81a39a
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/sbcs-data.js
@@ -0,0 +1,174 @@
+"use strict";
+
+// Manually added data to be used by sbcs codec in addition to generated one.
+
+module.exports = {
+    // Not supported by iconv, not sure why.
+    "10029": "maccenteuro",
+    "maccenteuro": {
+        "type": "_sbcs",
+        "chars": "ÄĀāÉĄÖÜáąČäčĆć鏟ĎíďĒēĖóėôöõúĚěü†°Ę£§•¶ß®©™ę¨≠ģĮįĪ≤≥īĶ∂∑łĻļĽľĹĺŅņѬ√ńŇ∆«»… ňŐÕőŌ–—“”‘’÷◊ōŔŕŘ‹›řŖŗŠ‚„šŚśÁŤťÍŽžŪÓÔūŮÚůŰűŲųÝýķŻŁżĢˇ"
+    },
+
+    "808": "cp808",
+    "ibm808": "cp808",
+    "cp808": {
+        "type": "_sbcs",
+        "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмноп░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀рстуфхцчшщъыьэюяЁёЄєЇїЎў°∙·√№€■ "
+    },
+
+    "mik": {
+        "type": "_sbcs",
+        "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя└┴┬├─┼╣║╚╔╩╦╠═╬┐░▒▓│┤№§╗╝┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ "
+    },
+
+    // Aliases of generated encodings.
+    "ascii8bit": "ascii",
+    "usascii": "ascii",
+    "ansix34": "ascii",
+    "ansix341968": "ascii",
+    "ansix341986": "ascii",
+    "csascii": "ascii",
+    "cp367": "ascii",
+    "ibm367": "ascii",
+    "isoir6": "ascii",
+    "iso646us": "ascii",
+    "iso646irv": "ascii",
+    "us": "ascii",
+
+    "latin1": "iso88591",
+    "latin2": "iso88592",
+    "latin3": "iso88593",
+    "latin4": "iso88594",
+    "latin5": "iso88599",
+    "latin6": "iso885910",
+    "latin7": "iso885913",
+    "latin8": "iso885914",
+    "latin9": "iso885915",
+    "latin10": "iso885916",
+
+    "csisolatin1": "iso88591",
+    "csisolatin2": "iso88592",
+    "csisolatin3": "iso88593",
+    "csisolatin4": "iso88594",
+    "csisolatincyrillic": "iso88595",
+    "csisolatinarabic": "iso88596",
+    "csisolatingreek" : "iso88597",
+    "csisolatinhebrew": "iso88598",
+    "csisolatin5": "iso88599",
+    "csisolatin6": "iso885910",
+
+    "l1": "iso88591",
+    "l2": "iso88592",
+    "l3": "iso88593",
+    "l4": "iso88594",
+    "l5": "iso88599",
+    "l6": "iso885910",
+    "l7": "iso885913",
+    "l8": "iso885914",
+    "l9": "iso885915",
+    "l10": "iso885916",
+
+    "isoir14": "iso646jp",
+    "isoir57": "iso646cn",
+    "isoir100": "iso88591",
+    "isoir101": "iso88592",
+    "isoir109": "iso88593",
+    "isoir110": "iso88594",
+    "isoir144": "iso88595",
+    "isoir127": "iso88596",
+    "isoir126": "iso88597",
+    "isoir138": "iso88598",
+    "isoir148": "iso88599",
+    "isoir157": "iso885910",
+    "isoir166": "tis620",
+    "isoir179": "iso885913",
+    "isoir199": "iso885914",
+    "isoir203": "iso885915",
+    "isoir226": "iso885916",
+
+    "cp819": "iso88591",
+    "ibm819": "iso88591",
+
+    "cyrillic": "iso88595",
+
+    "arabic": "iso88596",
+    "arabic8": "iso88596",
+    "ecma114": "iso88596",
+    "asmo708": "iso88596",
+
+    "greek" : "iso88597",
+    "greek8" : "iso88597",
+    "ecma118" : "iso88597",
+    "elot928" : "iso88597",
+
+    "hebrew": "iso88598",
+    "hebrew8": "iso88598",
+
+    "turkish": "iso88599",
+    "turkish8": "iso88599",
+
+    "thai": "iso885911",
+    "thai8": "iso885911",
+
+    "celtic": "iso885914",
+    "celtic8": "iso885914",
+    "isoceltic": "iso885914",
+
+    "tis6200": "tis620",
+    "tis62025291": "tis620",
+    "tis62025330": "tis620",
+
+    "10000": "macroman",
+    "10006": "macgreek",
+    "10007": "maccyrillic",
+    "10079": "maciceland",
+    "10081": "macturkish",
+
+    "cspc8codepage437": "cp437",
+    "cspc775baltic": "cp775",
+    "cspc850multilingual": "cp850",
+    "cspcp852": "cp852",
+    "cspc862latinhebrew": "cp862",
+    "cpgr": "cp869",
+
+    "msee": "cp1250",
+    "mscyrl": "cp1251",
+    "msansi": "cp1252",
+    "msgreek": "cp1253",
+    "msturk": "cp1254",
+    "mshebr": "cp1255",
+    "msarab": "cp1256",
+    "winbaltrim": "cp1257",
+
+    "cp20866": "koi8r",
+    "20866": "koi8r",
+    "ibm878": "koi8r",
+    "cskoi8r": "koi8r",
+
+    "cp21866": "koi8u",
+    "21866": "koi8u",
+    "ibm1168": "koi8u",
+
+    "strk10482002": "rk1048",
+
+    "tcvn5712": "tcvn",
+    "tcvn57121": "tcvn",
+
+    "gb198880": "iso646cn",
+    "cn": "iso646cn",
+
+    "csiso14jisc6220ro": "iso646jp",
+    "jisc62201969ro": "iso646jp",
+    "jp": "iso646jp",
+
+    "cshproman8": "hproman8",
+    "r8": "hproman8",
+    "roman8": "hproman8",
+    "xroman8": "hproman8",
+    "ibm1051": "hproman8",
+
+    "mac": "macintosh",
+    "csmacintosh": "macintosh",
+};
+
diff --git a/node_modules/iconv-lite/encodings/tables/big5-added.json b/node_modules/iconv-lite/encodings/tables/big5-added.json
new file mode 100644
index 000000000..3c3d3c2f7
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/tables/big5-added.json
@@ -0,0 +1,122 @@
+[
+["8740","䏰䰲䘃䖦䕸𧉧䵷䖳𧲱䳢𧳅㮕䜶䝄䱇䱀𤊿𣘗𧍒𦺋𧃒䱗𪍑䝏䗚䲅𧱬䴇䪤䚡𦬣爥𥩔𡩣𣸆𣽡晍囻"],
+["8767","綕夝𨮹㷴霴𧯯寛𡵞媤㘥𩺰嫑宷峼杮薓𩥅瑡璝㡵𡵓𣚞𦀡㻬"],
+["87a1","𥣞㫵竼龗𤅡𨤍𣇪𠪊𣉞䌊蒄龖鐯䤰蘓墖靊鈘秐稲晠権袝瑌篅枂稬剏遆㓦珄𥶹瓆鿇垳䤯呌䄱𣚎堘穲𧭥讏䚮𦺈䆁𥶙箮𢒼鿈𢓁𢓉𢓌鿉蔄𣖻䂴鿊䓡𪷿拁灮鿋"],
+["8840","㇀",4,"𠄌㇅𠃑𠃍㇆㇇𠃋𡿨㇈𠃊㇉㇊㇋㇌𠄎㇍㇎ĀÁǍÀĒÉĚÈŌÓǑÒ࿿Ê̄Ế࿿Ê̌ỀÊāáǎàɑēéěèīíǐìōóǒòūúǔùǖǘǚ"],
+["88a1","ǜü࿿ê̄ế࿿ê̌ềêɡ⏚⏛"],
+["8940","𪎩𡅅"],
+["8943","攊"],
+["8946","丽滝鵎釟"],
+["894c","𧜵撑会伨侨兖兴农凤务动医华发变团声处备夲头学实実岚庆总斉柾栄桥济炼电纤纬纺织经统缆缷艺苏药视设询车轧轮"],
+["89a1","琑糼緍楆竉刧"],
+["89ab","醌碸酞肼"],
+["89b0","贋胶𠧧"],
+["89b5","肟黇䳍鷉鸌䰾𩷶𧀎鸊𪄳㗁"],
+["89c1","溚舾甙"],
+["89c5","䤑马骏龙禇𨑬𡷊𠗐𢫦两亁亀亇亿仫伷㑌侽㹈倃傈㑽㒓㒥円夅凛凼刅争剹劐匧㗇厩㕑厰㕓参吣㕭㕲㚁咓咣咴咹哐哯唘唣唨㖘唿㖥㖿嗗㗅"],
+["8a40","𧶄唥"],
+["8a43","𠱂𠴕𥄫喐𢳆㧬𠍁蹆𤶸𩓥䁓𨂾睺𢰸㨴䟕𨅝𦧲𤷪擝𠵼𠾴𠳕𡃴撍蹾𠺖𠰋𠽤𢲩𨉖𤓓"],
+["8a64","𠵆𩩍𨃩䟴𤺧𢳂骲㩧𩗴㿭㔆𥋇𩟔𧣈𢵄鵮頕"],
+["8a76","䏙𦂥撴哣𢵌𢯊𡁷㧻𡁯"],
+["8aa1","𦛚𦜖𧦠擪𥁒𠱃蹨𢆡𨭌𠜱"],
+["8aac","䠋𠆩㿺塳𢶍"],
+["8ab2","𤗈𠓼𦂗𠽌𠶖啹䂻䎺"],
+["8abb","䪴𢩦𡂝膪飵𠶜捹㧾𢝵跀嚡摼㹃"],
+["8ac9","𪘁𠸉𢫏𢳉"],
+["8ace","𡃈𣧂㦒㨆𨊛㕸𥹉𢃇噒𠼱𢲲𩜠㒼氽𤸻"],
+["8adf","𧕴𢺋𢈈𪙛𨳍𠹺𠰴𦠜羓𡃏𢠃𢤹㗻𥇣𠺌𠾍𠺪㾓𠼰𠵇𡅏𠹌"],
+["8af6","𠺫𠮩𠵈𡃀𡄽㿹𢚖搲𠾭"],
+["8b40","𣏴𧘹𢯎𠵾𠵿𢱑𢱕㨘𠺘𡃇𠼮𪘲𦭐𨳒𨶙𨳊閪哌苄喹"],
+["8b55","𩻃鰦骶𧝞𢷮煀腭胬尜𦕲脴㞗卟𨂽醶𠻺𠸏𠹷𠻻㗝𤷫㘉𠳖嚯𢞵𡃉𠸐𠹸𡁸𡅈𨈇𡑕𠹹𤹐𢶤婔𡀝𡀞𡃵𡃶垜𠸑"],
+["8ba1","𧚔𨋍𠾵𠹻𥅾㜃𠾶𡆀𥋘𪊽𤧚𡠺𤅷𨉼墙剨㘚𥜽箲孨䠀䬬鼧䧧鰟鮍𥭴𣄽嗻㗲嚉丨夂𡯁屮靑𠂆乛亻㔾尣彑忄㣺扌攵歺氵氺灬爫丬犭𤣩罒礻糹罓𦉪㓁"],
+["8bde","𦍋耂肀𦘒𦥑卝衤见𧢲讠贝钅镸长门𨸏韦页风飞饣𩠐鱼鸟黄歯龜丷𠂇阝户钢"],
+["8c40","倻淾𩱳龦㷉袏𤅎灷峵䬠𥇍㕙𥴰愢𨨲辧釶熑朙玺𣊁𪄇㲋𡦀䬐磤琂冮𨜏䀉橣𪊺䈣蘏𠩯稪𩥇𨫪靕灍匤𢁾鏴盙𨧣龧矝亣俰傼丯众龨吴綋墒壐𡶶庒庙忂𢜒斋"],
+["8ca1","𣏹椙橃𣱣泿"],
+["8ca7","爀𤔅玌㻛𤨓嬕璹讃𥲤𥚕窓篬糃繬苸薗龩袐龪躹龫迏蕟駠鈡龬𨶹𡐿䁱䊢娚"],
+["8cc9","顨杫䉶圽"],
+["8cce","藖𤥻芿𧄍䲁𦵴嵻𦬕𦾾龭龮宖龯曧繛湗秊㶈䓃𣉖𢞖䎚䔶"],
+["8ce6","峕𣬚諹屸㴒𣕑嵸龲煗䕘𤃬𡸣䱷㥸㑊𠆤𦱁諌侴𠈹妿腬顖𩣺弻"],
+["8d40","𠮟"],
+["8d42","𢇁𨥭䄂䚻𩁹㼇龳𪆵䃸㟖䛷𦱆䅼𨚲𧏿䕭㣔𥒚䕡䔛䶉䱻䵶䗪㿈𤬏㙡䓞䒽䇭崾嵈嵖㷼㠏嶤嶹㠠㠸幂庽弥徃㤈㤔㤿㥍惗愽峥㦉憷憹懏㦸戬抐拥挘㧸嚱"],
+["8da1","㨃揢揻搇摚㩋擀崕嘡龟㪗斆㪽旿晓㫲暒㬢朖㭂枤栀㭘桊梄㭲㭱㭻椉楃牜楤榟榅㮼槖㯝橥橴橱檂㯬檙㯲檫檵櫔櫶殁毁毪汵沪㳋洂洆洦涁㳯涤涱渕渘温溆𨧀溻滢滚齿滨滩漤漴㵆𣽁澁澾㵪㵵熷岙㶊瀬㶑灐灔灯灿炉𠌥䏁㗱𠻘"],
+["8e40","𣻗垾𦻓焾𥟠㙎榢𨯩孴穉𥣡𩓙穥穽𥦬窻窰竂竃燑𦒍䇊竚竝竪䇯咲𥰁笋筕笩𥌎𥳾箢筯莜𥮴𦱿篐萡箒箸𥴠㶭𥱥蒒篺簆簵𥳁籄粃𤢂粦晽𤕸糉糇糦籴糳糵糎"],
+["8ea1","繧䔝𦹄絝𦻖璍綉綫焵綳緒𤁗𦀩緤㴓緵𡟹緥𨍭縝𦄡𦅚繮纒䌫鑬縧罀罁罇礶𦋐駡羗𦍑羣𡙡𠁨䕜𣝦䔃𨌺翺𦒉者耈耝耨耯𪂇𦳃耻耼聡𢜔䦉𦘦𣷣𦛨朥肧𨩈脇脚墰𢛶汿𦒘𤾸擧𡒊舘𡡞橓𤩥𤪕䑺舩𠬍𦩒𣵾俹𡓽蓢荢𦬊𤦧𣔰𡝳𣷸芪椛芳䇛"],
+["8f40","蕋苐茚𠸖𡞴㛁𣅽𣕚艻苢茘𣺋𦶣𦬅𦮗𣗎㶿茝嗬莅䔋𦶥莬菁菓㑾𦻔橗蕚㒖𦹂𢻯葘𥯤葱㷓䓤檧葊𣲵祘蒨𦮖𦹷𦹃蓞萏莑䒠蒓蓤𥲑䉀𥳀䕃蔴嫲𦺙䔧蕳䔖枿蘖"],
+["8fa1","𨘥𨘻藁𧂈蘂𡖂𧃍䕫䕪蘨㙈𡢢号𧎚虾蝱𪃸蟮𢰧螱蟚蠏噡虬桖䘏衅衆𧗠𣶹𧗤衞袜䙛袴袵揁装睷𧜏覇覊覦覩覧覼𨨥觧𧤤𧪽誜瞓釾誐𧩙竩𧬺𣾏䜓𧬸煼謌謟𥐰𥕥謿譌譍誩𤩺讐讛誯𡛟䘕衏貛𧵔𧶏貫㜥𧵓賖𧶘𧶽贒贃𡤐賛灜贑𤳉㻐起"],
+["9040","趩𨀂𡀔𤦊㭼𨆼𧄌竧躭躶軃鋔輙輭𨍥𨐒辥錃𪊟𠩐辳䤪𨧞𨔽𣶻廸𣉢迹𪀔𨚼𨔁𢌥㦀𦻗逷𨔼𧪾遡𨕬𨘋邨𨜓郄𨛦邮都酧㫰醩釄粬𨤳𡺉鈎沟鉁鉢𥖹銹𨫆𣲛𨬌𥗛"],
+["90a1","𠴱錬鍫𨫡𨯫炏嫃𨫢𨫥䥥鉄𨯬𨰹𨯿鍳鑛躼閅閦鐦閠濶䊹𢙺𨛘𡉼𣸮䧟氜陻隖䅬隣𦻕懚隶磵𨫠隽双䦡𦲸𠉴𦐐𩂯𩃥𤫑𡤕𣌊霱虂霶䨏䔽䖅𤫩灵孁霛靜𩇕靗孊𩇫靟鐥僐𣂷𣂼鞉鞟鞱鞾韀韒韠𥑬韮琜𩐳響韵𩐝𧥺䫑頴頳顋顦㬎𧅵㵑𠘰𤅜"],
+["9140","𥜆飊颷飈飇䫿𦴧𡛓喰飡飦飬鍸餹𤨩䭲𩡗𩤅駵騌騻騐驘𥜥㛄𩂱𩯕髠髢𩬅髴䰎鬔鬭𨘀倴鬴𦦨㣃𣁽魐魀𩴾婅𡡣鮎𤉋鰂鯿鰌𩹨鷔𩾷𪆒𪆫𪃡𪄣𪇟鵾鶃𪄴鸎梈"],
+["91a1","鷄𢅛𪆓𪈠𡤻𪈳鴹𪂹𪊴麐麕麞麢䴴麪麯𤍤黁㭠㧥㴝伲㞾𨰫鼂鼈䮖鐤𦶢鼗鼖鼹嚟嚊齅馸𩂋韲葿齢齩竜龎爖䮾𤥵𤦻煷𤧸𤍈𤩑玞𨯚𡣺禟𨥾𨸶鍩鏳𨩄鋬鎁鏋𨥬𤒹爗㻫睲穃烐𤑳𤏸煾𡟯炣𡢾𣖙㻇𡢅𥐯𡟸㜢𡛻𡠹㛡𡝴𡣑𥽋㜣𡛀坛𤨥𡏾𡊨"],
+["9240","𡏆𡒶蔃𣚦蔃葕𤦔𧅥𣸱𥕜𣻻𧁒䓴𣛮𩦝𦼦柹㜳㰕㷧塬𡤢栐䁗𣜿𤃡𤂋𤄏𦰡哋嚞𦚱嚒𠿟𠮨𠸍鏆𨬓鎜仸儫㠙𤐶亼𠑥𠍿佋侊𥙑婨𠆫𠏋㦙𠌊𠐔㐵伩𠋀𨺳𠉵諚𠈌亘"],
+["92a1","働儍侢伃𤨎𣺊佂倮偬傁俌俥偘僼兙兛兝兞湶𣖕𣸹𣺿浲𡢄𣺉冨凃𠗠䓝𠒣𠒒𠒑赺𨪜𠜎剙劤𠡳勡鍮䙺熌𤎌𠰠𤦬𡃤槑𠸝瑹㻞璙琔瑖玘䮎𤪼𤂍叐㖄爏𤃉喴𠍅响𠯆圝鉝雴鍦埝垍坿㘾壋媙𨩆𡛺𡝯𡜐娬妸銏婾嫏娒𥥆𡧳𡡡𤊕㛵洅瑃娡𥺃"],
+["9340","媁𨯗𠐓鏠璌𡌃焅䥲鐈𨧻鎽㞠尞岞幞幈𡦖𡥼𣫮廍孏𡤃𡤄㜁𡢠㛝𡛾㛓脪𨩇𡶺𣑲𨦨弌弎𡤧𡞫婫𡜻孄蘔𧗽衠恾𢡠𢘫忛㺸𢖯𢖾𩂈𦽳懀𠀾𠁆𢘛憙憘恵𢲛𢴇𤛔𩅍"],
+["93a1","摱𤙥𢭪㨩𢬢𣑐𩣪𢹸挷𪑛撶挱揑𤧣𢵧护𢲡搻敫楲㯴𣂎𣊭𤦉𣊫唍𣋠𡣙𩐿曎𣊉𣆳㫠䆐𥖄𨬢𥖏𡛼𥕛𥐥磮𣄃𡠪𣈴㑤𣈏𣆂𤋉暎𦴤晫䮓昰𧡰𡷫晣𣋒𣋡昞𥡲㣑𣠺𣞼㮙𣞢𣏾瓐㮖枏𤘪梶栞㯄檾㡣𣟕𤒇樳橒櫉欅𡤒攑梘橌㯗橺歗𣿀𣲚鎠鋲𨯪𨫋"],
+["9440","銉𨀞𨧜鑧涥漋𤧬浧𣽿㶏渄𤀼娽渊塇洤硂焻𤌚𤉶烱牐犇犔𤞏𤜥兹𤪤𠗫瑺𣻸𣙟𤩊𤤗𥿡㼆㺱𤫟𨰣𣼵悧㻳瓌琼鎇琷䒟𦷪䕑疃㽣𤳙𤴆㽘畕癳𪗆㬙瑨𨫌𤦫𤦎㫻"],
+["94a1","㷍𤩎㻿𤧅𤣳釺圲鍂𨫣𡡤僟𥈡𥇧睸𣈲眎眏睻𤚗𣞁㩞𤣰琸璛㺿𤪺𤫇䃈𤪖𦆮錇𥖁砞碍碈磒珐祙𧝁𥛣䄎禛蒖禥樭𣻺稺秴䅮𡛦䄲鈵秱𠵌𤦌𠊙𣶺𡝮㖗啫㕰㚪𠇔𠰍竢婙𢛵𥪯𥪜娍𠉛磰娪𥯆竾䇹籝籭䈑𥮳𥺼𥺦糍𤧹𡞰粎籼粮檲緜縇緓罎𦉡"],
+["9540","𦅜𧭈綗𥺂䉪𦭵𠤖柖𠁎𣗏埄𦐒𦏸𤥢翝笧𠠬𥫩𥵃笌𥸎駦虅驣樜𣐿㧢𤧷𦖭騟𦖠蒀𧄧𦳑䓪脷䐂胆脉腂𦞴飃𦩂艢艥𦩑葓𦶧蘐𧈛媆䅿𡡀嬫𡢡嫤𡣘蚠蜨𣶏蠭𧐢娂"],
+["95a1","衮佅袇袿裦襥襍𥚃襔𧞅𧞄𨯵𨯙𨮜𨧹㺭蒣䛵䛏㟲訽訜𩑈彍鈫𤊄旔焩烄𡡅鵭貟賩𧷜妚矃姰䍮㛔踪躧𤰉輰轊䋴汘澻𢌡䢛潹溋𡟚鯩㚵𤤯邻邗啱䤆醻鐄𨩋䁢𨫼鐧𨰝𨰻蓥訫閙閧閗閖𨴴瑅㻂𤣿𤩂𤏪㻧𣈥随𨻧𨹦𨹥㻌𤧭𤩸𣿮琒瑫㻼靁𩂰"],
+["9640","桇䨝𩂓𥟟靝鍨𨦉𨰦𨬯𦎾銺嬑譩䤼珹𤈛鞛靱餸𠼦巁𨯅𤪲頟𩓚鋶𩗗釥䓀𨭐𤩧𨭤飜𨩅㼀鈪䤥萔餻饍𧬆㷽馛䭯馪驜𨭥𥣈檏騡嫾騯𩣱䮐𩥈馼䮽䮗鍽塲𡌂堢𤦸"],
+["96a1","𡓨硄𢜟𣶸棅㵽鑘㤧慐𢞁𢥫愇鱏鱓鱻鰵鰐魿鯏𩸭鮟𪇵𪃾鴡䲮𤄄鸘䲰鴌𪆴𪃭𪃳𩤯鶥蒽𦸒𦿟𦮂藼䔳𦶤𦺄𦷰萠藮𦸀𣟗𦁤秢𣖜𣙀䤭𤧞㵢鏛銾鍈𠊿碹鉷鑍俤㑀遤𥕝砽硔碶硋𡝗𣇉𤥁㚚佲濚濙瀞瀞吔𤆵垻壳垊鴖埗焴㒯𤆬燫𦱀𤾗嬨𡞵𨩉"],
+["9740","愌嫎娋䊼𤒈㜬䭻𨧼鎻鎸𡣖𠼝葲𦳀𡐓𤋺𢰦𤏁妔𣶷𦝁綨𦅛𦂤𤦹𤦋𨧺鋥珢㻩璴𨭣𡢟㻡𤪳櫘珳珻㻖𤨾𤪔𡟙𤩦𠎧𡐤𤧥瑈𤤖炥𤥶銄珦鍟𠓾錱𨫎𨨖鎆𨯧𥗕䤵𨪂煫"],
+["97a1","𤥃𠳿嚤𠘚𠯫𠲸唂秄𡟺緾𡛂𤩐𡡒䔮鐁㜊𨫀𤦭妰𡢿𡢃𧒄媡㛢𣵛㚰鉟婹𨪁𡡢鍴㳍𠪴䪖㦊僴㵩㵌𡎜煵䋻𨈘渏𩃤䓫浗𧹏灧沯㳖𣿭𣸭渂漌㵯𠏵畑㚼㓈䚀㻚䡱姄鉮䤾轁𨰜𦯀堒埈㛖𡑒烾𤍢𤩱𢿣𡊰𢎽梹楧𡎘𣓥𧯴𣛟𨪃𣟖𣏺𤲟樚𣚭𦲷萾䓟䓎"],
+["9840","𦴦𦵑𦲂𦿞漗𧄉茽𡜺菭𦲀𧁓𡟛妉媂𡞳婡婱𡤅𤇼㜭姯𡜼㛇熎鎐暚𤊥婮娫𤊓樫𣻹𧜶𤑛𤋊焝𤉙𨧡侰𦴨峂𤓎𧹍𤎽樌𤉖𡌄炦焳𤏩㶥泟勇𤩏繥姫崯㷳彜𤩝𡟟綤萦"],
+["98a1","咅𣫺𣌀𠈔坾𠣕𠘙㿥𡾞𪊶瀃𩅛嵰玏糓𨩙𩐠俈翧狍猐𧫴猸猹𥛶獁獈㺩𧬘遬燵𤣲珡臶㻊県㻑沢国琙琞琟㻢㻰㻴㻺瓓㼎㽓畂畭畲疍㽼痈痜㿀癍㿗癴㿜発𤽜熈嘣覀塩䀝睃䀹条䁅㗛瞘䁪䁯属瞾矋売砘点砜䂨砹硇硑硦葈𥔵礳栃礲䄃"],
+["9940","䄉禑禙辻稆込䅧窑䆲窼艹䇄竏竛䇏両筢筬筻簒簛䉠䉺类粜䊌粸䊔糭输烀𠳏総緔緐緽羮羴犟䎗耠耥笹耮耱联㷌垴炠肷胩䏭脌猪脎脒畠脔䐁㬹腖腙腚"],
+["99a1","䐓堺腼膄䐥膓䐭膥埯臁臤艔䒏芦艶苊苘苿䒰荗险榊萅烵葤惣蒈䔄蒾蓡蓸蔐蔸蕒䔻蕯蕰藠䕷虲蚒蚲蛯际螋䘆䘗袮裿褤襇覑𧥧訩訸誔誴豑賔賲贜䞘塟跃䟭仮踺嗘坔蹱嗵躰䠷軎転軤軭軲辷迁迊迌逳駄䢭飠鈓䤞鈨鉘鉫銱銮銿"],
+["9a40","鋣鋫鋳鋴鋽鍃鎄鎭䥅䥑麿鐗匁鐝鐭鐾䥪鑔鑹锭関䦧间阳䧥枠䨤靀䨵鞲韂噔䫤惨颹䬙飱塄餎餙冴餜餷饂饝饢䭰駅䮝騼鬏窃魩鮁鯝鯱鯴䱭鰠㝯𡯂鵉鰺"],
+["9aa1","黾噐鶓鶽鷀鷼银辶鹻麬麱麽黆铜黢黱黸竈齄𠂔𠊷𠎠椚铃妬𠓗塀铁㞹𠗕𠘕𠙶𡚺块煳𠫂𠫍𠮿呪吆𠯋咞𠯻𠰻𠱓𠱥𠱼惧𠲍噺𠲵𠳝𠳭𠵯𠶲𠷈楕鰯螥𠸄𠸎𠻗𠾐𠼭𠹳尠𠾼帋𡁜𡁏𡁶朞𡁻𡂈𡂖㙇𡂿𡃓𡄯𡄻卤蒭𡋣𡍵𡌶讁𡕷𡘙𡟃𡟇乸炻𡠭𡥪"],
+["9b40","𡨭𡩅𡰪𡱰𡲬𡻈拃𡻕𡼕熘桕𢁅槩㛈𢉼𢏗𢏺𢜪𢡱𢥏苽𢥧𢦓𢫕覥𢫨辠𢬎鞸𢬿顇骽𢱌"],
+["9b62","𢲈𢲷𥯨𢴈𢴒𢶷𢶕𢹂𢽴𢿌𣀳𣁦𣌟𣏞徱晈暿𧩹𣕧𣗳爁𤦺矗𣘚𣜖纇𠍆墵朎"],
+["9ba1","椘𣪧𧙗𥿢𣸑𣺹𧗾𢂚䣐䪸𤄙𨪚𤋮𤌍𤀻𤌴𤎖𤩅𠗊凒𠘑妟𡺨㮾𣳿𤐄𤓖垈𤙴㦛𤜯𨗨𩧉㝢𢇃譞𨭎駖𤠒𤣻𤨕爉𤫀𠱸奥𤺥𤾆𠝹軚𥀬劏圿煱𥊙𥐙𣽊𤪧喼𥑆𥑮𦭒釔㑳𥔿𧘲𥕞䜘𥕢𥕦𥟇𤤿𥡝偦㓻𣏌惞𥤃䝼𨥈𥪮𥮉𥰆𡶐垡煑澶𦄂𧰒遖𦆲𤾚譢𦐂𦑊"],
+["9c40","嵛𦯷輶𦒄𡤜諪𤧶𦒈𣿯𦔒䯀𦖿𦚵𢜛鑥𥟡憕娧晉侻嚹𤔡𦛼乪𤤴陖涏𦲽㘘襷𦞙𦡮𦐑𦡞營𦣇筂𩃀𠨑𦤦鄄𦤹穅鷰𦧺騦𦨭㙟𦑩𠀡禃𦨴𦭛崬𣔙菏𦮝䛐𦲤画补𦶮墶"],
+["9ca1","㜜𢖍𧁋𧇍㱔𧊀𧊅銁𢅺𧊋錰𧋦𤧐氹钟𧑐𠻸蠧裵𢤦𨑳𡞱溸𤨪𡠠㦤㚹尐秣䔿暶𩲭𩢤襃𧟌𧡘囖䃟𡘊㦡𣜯𨃨𡏅熭荦𧧝𩆨婧䲷𧂯𨦫𧧽𧨊𧬋𧵦𤅺筃祾𨀉澵𪋟樃𨌘厢𦸇鎿栶靝𨅯𨀣𦦵𡏭𣈯𨁈嶅𨰰𨂃圕頣𨥉嶫𤦈斾槕叒𤪥𣾁㰑朶𨂐𨃴𨄮𡾡𨅏"],
+["9d40","𨆉𨆯𨈚𨌆𨌯𨎊㗊𨑨𨚪䣺揦𨥖砈鉕𨦸䏲𨧧䏟𨧨𨭆𨯔姸𨰉輋𨿅𩃬筑𩄐𩄼㷷𩅞𤫊运犏嚋𩓧𩗩𩖰𩖸𩜲𩣑𩥉𩥪𩧃𩨨𩬎𩵚𩶛纟𩻸𩼣䲤镇𪊓熢𪋿䶑递𪗋䶜𠲜达嗁"],
+["9da1","辺𢒰边𤪓䔉繿潖檱仪㓤𨬬𧢝㜺躀𡟵𨀤𨭬𨮙𧨾𦚯㷫𧙕𣲷𥘵𥥖亚𥺁𦉘嚿𠹭踎孭𣺈𤲞揞拐𡟶𡡻攰嘭𥱊吚𥌑㷆𩶘䱽嘢嘞罉𥻘奵𣵀蝰东𠿪𠵉𣚺脗鵞贘瘻鱅癎瞹鍅吲腈苷嘥脲萘肽嗪祢噃吖𠺝㗎嘅嗱曱𨋢㘭甴嗰喺咗啲𠱁𠲖廐𥅈𠹶𢱢"],
+["9e40","𠺢麫絚嗞𡁵抝靭咔賍燶酶揼掹揾啩𢭃鱲𢺳冚㓟𠶧冧呍唞唓癦踭𦢊疱肶蠄螆裇膶萜𡃁䓬猄𤜆宐茋𦢓噻𢛴𧴯𤆣𧵳𦻐𧊶酰𡇙鈈𣳼𪚩𠺬𠻹牦𡲢䝎𤿂𧿹𠿫䃺"],
+["9ea1","鱝攟𢶠䣳𤟠𩵼𠿬𠸊恢𧖣𠿭"],
+["9ead","𦁈𡆇熣纎鵐业丄㕷嬍沲卧㚬㧜卽㚥𤘘墚𤭮舭呋垪𥪕𠥹"],
+["9ec5","㩒𢑥獴𩺬䴉鯭𣳾𩼰䱛𤾩𩖞𩿞葜𣶶𧊲𦞳𣜠挮紥𣻷𣸬㨪逈勌㹴㙺䗩𠒎癀嫰𠺶硺𧼮墧䂿噼鮋嵴癔𪐴麅䳡痹㟻愙𣃚𤏲"],
+["9ef5","噝𡊩垧𤥣𩸆刴𧂮㖭汊鵼"],
+["9f40","籖鬹埞𡝬屓擓𩓐𦌵𧅤蚭𠴨𦴢𤫢𠵱"],
+["9f4f","凾𡼏嶎霃𡷑麁遌笟鬂峑箣扨挵髿篏鬪籾鬮籂粆鰕篼鬉鼗鰛𤤾齚啳寃俽麘俲剠㸆勑坧偖妷帒韈鶫轜呩鞴饀鞺匬愰"],
+["9fa1","椬叚鰊鴂䰻陁榀傦畆𡝭駚剳"],
+["9fae","酙隁酜"],
+["9fb2","酑𨺗捿𦴣櫊嘑醎畺抅𠏼獏籰𥰡𣳽"],
+["9fc1","𤤙盖鮝个𠳔莾衂"],
+["9fc9","届槀僭坺刟巵从氱𠇲伹咜哚劚趂㗾弌㗳"],
+["9fdb","歒酼龥鮗頮颴骺麨麄煺笔"],
+["9fe7","毺蠘罸"],
+["9feb","嘠𪙊蹷齓"],
+["9ff0","跔蹏鸜踁抂𨍽踨蹵竓𤩷稾磘泪詧瘇"],
+["a040","𨩚鼦泎蟖痃𪊲硓咢贌狢獱謭猂瓱賫𤪻蘯徺袠䒷"],
+["a055","𡠻𦸅"],
+["a058","詾𢔛"],
+["a05b","惽癧髗鵄鍮鮏蟵"],
+["a063","蠏賷猬霡鮰㗖犲䰇籑饊𦅙慙䰄麖慽"],
+["a073","坟慯抦戹拎㩜懢厪𣏵捤栂㗒"],
+["a0a1","嵗𨯂迚𨸹"],
+["a0a6","僙𡵆礆匲阸𠼻䁥"],
+["a0ae","矾"],
+["a0b0","糂𥼚糚稭聦聣絍甅瓲覔舚朌聢𧒆聛瓰脃眤覉𦟌畓𦻑螩蟎臈螌詉貭譃眫瓸蓚㘵榲趦"],
+["a0d4","覩瑨涹蟁𤀑瓧㷛煶悤憜㳑煢恷"],
+["a0e2","罱𨬭牐惩䭾删㰘𣳇𥻗𧙖𥔱𡥄𡋾𩤃𦷜𧂭峁𦆭𨨏𣙷𠃮𦡆𤼎䕢嬟𦍌齐麦𦉫"],
+["a3c0","␀",31,"␡"],
+["c6a1","①",9,"⑴",9,"ⅰ",9,"丶丿亅亠冂冖冫勹匸卩厶夊宀巛⼳广廴彐彡攴无疒癶辵隶¨ˆヽヾゝゞ〃仝々〆〇ー［］✽ぁ",23],
+["c740","す",58,"ァアィイ"],
+["c7a1","ゥ",81,"А",5,"ЁЖ",4],
+["c840","Л",26,"ёж",25,"⇧↸↹㇏𠃌乚𠂊刂䒑"],
+["c8a1","龰冈龱𧘇"],
+["c8cd","￢￤＇＂㈱№℡゛゜⺀⺄⺆⺇⺈⺊⺌⺍⺕⺜⺝⺥⺧⺪⺬⺮⺶⺼⺾⻆⻊⻌⻍⻏⻖⻗⻞⻣"],
+["c8f5","ʃɐɛɔɵœøŋʊɪ"],
+["f9fe","￭"],
+["fa40","𠕇鋛𠗟𣿅蕌䊵珯况㙉𤥂𨧤鍄𡧛苮𣳈砼杄拟𤤳𨦪𠊠𦮳𡌅侫𢓭倈𦴩𧪄𣘀𤪱𢔓倩𠍾徤𠎀𠍇滛𠐟偽儁㑺儎顬㝃萖𤦤𠒇兠𣎴兪𠯿𢃼𠋥𢔰𠖎𣈳𡦃宂蝽𠖳𣲙冲冸"],
+["faa1","鴴凉减凑㳜凓𤪦决凢卂凭菍椾𣜭彻刋刦刼劵剗劔効勅簕蕂勠蘍𦬓包𨫞啉滙𣾀𠥔𣿬匳卄𠯢泋𡜦栛珕恊㺪㣌𡛨燝䒢卭却𨚫卾卿𡖖𡘓矦厓𨪛厠厫厮玧𥝲㽙玜叁叅汉义埾叙㪫𠮏叠𣿫𢶣叶𠱷吓灹唫晗浛呭𦭓𠵴啝咏咤䞦𡜍𠻝㶴𠵍"],
+["fb40","𨦼𢚘啇䳭启琗喆喩嘅𡣗𤀺䕒𤐵暳𡂴嘷曍𣊊暤暭噍噏磱囱鞇叾圀囯园𨭦㘣𡉏坆𤆥汮炋坂㚱𦱾埦𡐖堃𡑔𤍣堦𤯵塜墪㕡壠壜𡈼壻寿坃𪅐𤉸鏓㖡够梦㛃湙"],
+["fba1","𡘾娤啓𡚒蔅姉𠵎𦲁𦴪𡟜姙𡟻𡞲𦶦浱𡠨𡛕姹𦹅媫婣㛦𤦩婷㜈媖瑥嫓𦾡𢕔㶅𡤑㜲𡚸広勐孶斈孼𧨎䀄䡝𠈄寕慠𡨴𥧌𠖥寳宝䴐尅𡭄尓珎尔𡲥𦬨屉䣝岅峩峯嶋𡷹𡸷崐崘嵆𡺤岺巗苼㠭𤤁𢁉𢅳芇㠶㯂帮檊幵幺𤒼𠳓厦亷廐厨𡝱帉廴𨒂"],
+["fc40","廹廻㢠廼栾鐛弍𠇁弢㫞䢮𡌺强𦢈𢏐彘𢑱彣鞽𦹮彲鍀𨨶徧嶶㵟𥉐𡽪𧃸𢙨釖𠊞𨨩怱暅𡡷㥣㷇㘹垐𢞴祱㹀悞悤悳𤦂𤦏𧩓璤僡媠慤萤慂慈𦻒憁凴𠙖憇宪𣾷"],
+["fca1","𢡟懓𨮝𩥝懐㤲𢦀𢣁怣慜攞掋𠄘担𡝰拕𢸍捬𤧟㨗搸揸𡎎𡟼撐澊𢸶頔𤂌𥜝擡擥鑻㩦携㩗敍漖𤨨𤨣斅敭敟𣁾斵𤥀䬷旑䃘𡠩无旣忟𣐀昘𣇷𣇸晄𣆤𣆥晋𠹵晧𥇦晳晴𡸽𣈱𨗴𣇈𥌓矅𢣷馤朂𤎜𤨡㬫槺𣟂杞杧杢𤇍𩃭柗䓩栢湐鈼栁𣏦𦶠桝"],
+["fd40","𣑯槡樋𨫟楳棃𣗍椁椀㴲㨁𣘼㮀枬楡𨩊䋼椶榘㮡𠏉荣傐槹𣙙𢄪橅𣜃檝㯳枱櫈𩆜㰍欝𠤣惞欵歴𢟍溵𣫛𠎵𡥘㝀吡𣭚毡𣻼毜氷𢒋𤣱𦭑汚舦汹𣶼䓅𣶽𤆤𤤌𤤀"],
+["fda1","𣳉㛥㳫𠴲鮃𣇹𢒑羏样𦴥𦶡𦷫涖浜湼漄𤥿𤂅𦹲蔳𦽴凇沜渝萮𨬡港𣸯瑓𣾂秌湏媑𣁋濸㜍澝𣸰滺𡒗𤀽䕕鏰潄潜㵎潴𩅰㴻澟𤅄濓𤂑𤅕𤀹𣿰𣾴𤄿凟𤅖𤅗𤅀𦇝灋灾炧炁烌烕烖烟䄄㷨熴熖𤉷焫煅媈煊煮岜𤍥煏鍢𤋁焬𤑚𤨧𤨢熺𨯨炽爎"],
+["fe40","鑂爕夑鑃爤鍁𥘅爮牀𤥴梽牕牗㹕𣁄栍漽犂猪猫𤠣𨠫䣭𨠄猨献珏玪𠰺𦨮珉瑉𤇢𡛧𤨤昣㛅𤦷𤦍𤧻珷琕椃𤨦琹𠗃㻗瑜𢢭瑠𨺲瑇珤瑶莹瑬㜰瑴鏱樬璂䥓𤪌"],
+["fea1","𤅟𤩹𨮏孆𨰃𡢞瓈𡦈甎瓩甞𨻙𡩋寗𨺬鎅畍畊畧畮𤾂㼄𤴓疎瑝疞疴瘂瘬癑癏癯癶𦏵皐臯㟸𦤑𦤎皡皥皷盌𦾟葢𥂝𥅽𡸜眞眦着撯𥈠睘𣊬瞯𨥤𨥨𡛁矴砉𡍶𤨒棊碯磇磓隥礮𥗠磗礴碱𧘌辸袄𨬫𦂃𢘜禆褀椂禀𥡗禝𧬹礼禩渪𧄦㺨秆𩄍秔"]
+]
diff --git a/node_modules/iconv-lite/encodings/tables/cp936.json b/node_modules/iconv-lite/encodings/tables/cp936.json
new file mode 100644
index 000000000..49ddb9a1d
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/tables/cp936.json
@@ -0,0 +1,264 @@
+[
+["0","\u0000",127,"€"],
+["8140","丂丄丅丆丏丒丗丟丠両丣並丩丮丯丱丳丵丷丼乀乁乂乄乆乊乑乕乗乚乛乢乣乤乥乧乨乪",5,"乲乴",9,"乿",6,"亇亊"],
+["8180","亐亖亗亙亜亝亞亣亪亯亰亱亴亶亷亸亹亼亽亾仈仌仏仐仒仚仛仜仠仢仦仧仩仭仮仯仱仴仸仹仺仼仾伀伂",6,"伋伌伒",4,"伜伝伡伣伨伩伬伭伮伱伳伵伷伹伻伾",4,"佄佅佇",5,"佒佔佖佡佢佦佨佪佫佭佮佱佲併佷佸佹佺佽侀侁侂侅來侇侊侌侎侐侒侓侕侖侘侙侚侜侞侟価侢"],
+["8240","侤侫侭侰",4,"侶",8,"俀俁係俆俇俈俉俋俌俍俒",4,"俙俛俠俢俤俥俧俫俬俰俲俴俵俶俷俹俻俼俽俿",11],
+["8280","個倎倐們倓倕倖倗倛倝倞倠倢倣値倧倫倯",10,"倻倽倿偀偁偂偄偅偆偉偊偋偍偐",4,"偖偗偘偙偛偝",7,"偦",5,"偭",8,"偸偹偺偼偽傁傂傃傄傆傇傉傊傋傌傎",20,"傤傦傪傫傭",4,"傳",6,"傼"],
+["8340","傽",17,"僐",5,"僗僘僙僛",10,"僨僩僪僫僯僰僱僲僴僶",4,"僼",9,"儈"],
+["8380","儉儊儌",5,"儓",13,"儢",28,"兂兇兊兌兎兏児兒兓兗兘兙兛兝",4,"兣兤兦內兩兪兯兲兺兾兿冃冄円冇冊冋冎冏冐冑冓冔冘冚冝冞冟冡冣冦",4,"冭冮冴冸冹冺冾冿凁凂凃凅凈凊凍凎凐凒",5],
+["8440","凘凙凚凜凞凟凢凣凥",5,"凬凮凱凲凴凷凾刄刅刉刋刌刏刐刓刔刕刜刞刟刡刢刣別刦刧刪刬刯刱刲刴刵刼刾剄",5,"剋剎剏剒剓剕剗剘"],
+["8480","剙剚剛剝剟剠剢剣剤剦剨剫剬剭剮剰剱剳",9,"剾劀劃",4,"劉",6,"劑劒劔",6,"劜劤劥劦劧劮劯劰労",9,"勀勁勂勄勅勆勈勊勌勍勎勏勑勓勔動勗務",5,"勠勡勢勣勥",10,"勱",7,"勻勼勽匁匂匃匄匇匉匊匋匌匎"],
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+]
diff --git a/node_modules/iconv-lite/encodings/tables/cp949.json b/node_modules/iconv-lite/encodings/tables/cp949.json
new file mode 100644
index 000000000..2022a007f
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/tables/cp949.json
@@ -0,0 +1,273 @@
+[
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+["bc81","펯",4,"펵펶펷펹펺펻펽",6,"폆폇폊",5,"폑",5,"샥샨샬샴샵샷샹섀섄섈섐섕서",4,"섣설섦섧섬섭섯섰성섶세섹센셀셈셉셋셌셍셔셕션셜셤셥셧셨셩셰셴셸솅소속솎손솔솖솜솝솟송솥솨솩솬솰솽쇄쇈쇌쇔쇗쇘쇠쇤쇨쇰쇱쇳쇼쇽숀숄숌숍숏숑수숙순숟술숨숩숫숭"],
+["bd41","폗폙",7,"폢폤",7,"폮폯폱폲폳폵폶폷"],
+["bd61","폸폹폺폻폾퐀퐂",5,"퐉",13],
+["bd81","퐗",5,"퐞",25,"숯숱숲숴쉈쉐쉑쉔쉘쉠쉥쉬쉭쉰쉴쉼쉽쉿슁슈슉슐슘슛슝스슥슨슬슭슴습슷승시식신싣실싫심십싯싱싶싸싹싻싼쌀쌈쌉쌌쌍쌓쌔쌕쌘쌜쌤쌥쌨쌩썅써썩썬썰썲썸썹썼썽쎄쎈쎌쏀쏘쏙쏜쏟쏠쏢쏨쏩쏭쏴쏵쏸쐈쐐쐤쐬쐰"],
+["be41","퐸",7,"푁푂푃푅",14],
+["be61","푔",7,"푝푞푟푡푢푣푥",7,"푮푰푱푲"],
+["be81","푳",4,"푺푻푽푾풁풃",4,"풊풌풎",5,"풕",8,"쐴쐼쐽쑈쑤쑥쑨쑬쑴쑵쑹쒀쒔쒜쒸쒼쓩쓰쓱쓴쓸쓺쓿씀씁씌씐씔씜씨씩씬씰씸씹씻씽아악안앉않알앍앎앓암압앗았앙앝앞애액앤앨앰앱앳앴앵야약얀얄얇얌얍얏양얕얗얘얜얠얩어억언얹얻얼얽얾엄",6,"엌엎"],
+["bf41","풞",10,"풪",14],
+["bf61","풹",18,"퓍퓎퓏퓑퓒퓓퓕"],
+["bf81","퓖",5,"퓝퓞퓠",7,"퓩퓪퓫퓭퓮퓯퓱",6,"퓹퓺퓼에엑엔엘엠엡엣엥여역엮연열엶엷염",5,"옅옆옇예옌옐옘옙옛옜오옥온올옭옮옰옳옴옵옷옹옻와왁완왈왐왑왓왔왕왜왝왠왬왯왱외왹왼욀욈욉욋욍요욕욘욜욤욥욧용우욱운울욹욺움웁웃웅워웍원월웜웝웠웡웨"],
+["c041","퓾",5,"픅픆픇픉픊픋픍",6,"픖픘",5],
+["c061","픞",25],
+["c081","픸픹픺픻픾픿핁핂핃핅",6,"핎핐핒",5,"핚핛핝핞핟핡핢핣웩웬웰웸웹웽위윅윈윌윔윕윗윙유육윤율윰윱윳융윷으윽은을읊음읍읏응",7,"읜읠읨읫이익인일읽읾잃임입잇있잉잊잎자작잔잖잗잘잚잠잡잣잤장잦재잭잰잴잼잽잿쟀쟁쟈쟉쟌쟎쟐쟘쟝쟤쟨쟬저적전절젊"],
+["c141","핤핦핧핪핬핮",5,"핶핷핹핺핻핽",6,"햆햊햋"],
+["c161","햌햍햎햏햑",19,"햦햧"],
+["c181","햨",31,"점접젓정젖제젝젠젤젬젭젯젱져젼졀졈졉졌졍졔조족존졸졺좀좁좃종좆좇좋좌좍좔좝좟좡좨좼좽죄죈죌죔죕죗죙죠죡죤죵주죽준줄줅줆줌줍줏중줘줬줴쥐쥑쥔쥘쥠쥡쥣쥬쥰쥴쥼즈즉즌즐즘즙즛증지직진짇질짊짐집짓"],
+["c241","헊헋헍헎헏헑헓",4,"헚헜헞",5,"헦헧헩헪헫헭헮"],
+["c261","헯",4,"헶헸헺",5,"혂혃혅혆혇혉",6,"혒"],
+["c281","혖",5,"혝혞혟혡혢혣혥",7,"혮",9,"혺혻징짖짙짚짜짝짠짢짤짧짬짭짯짰짱째짹짼쨀쨈쨉쨋쨌쨍쨔쨘쨩쩌쩍쩐쩔쩜쩝쩟쩠쩡쩨쩽쪄쪘쪼쪽쫀쫄쫌쫍쫏쫑쫓쫘쫙쫠쫬쫴쬈쬐쬔쬘쬠쬡쭁쭈쭉쭌쭐쭘쭙쭝쭤쭸쭹쮜쮸쯔쯤쯧쯩찌찍찐찔찜찝찡찢찧차착찬찮찰참찹찻"],
+["c341","혽혾혿홁홂홃홄홆홇홊홌홎홏홐홒홓홖홗홙홚홛홝",4],
+["c361","홢",4,"홨홪",5,"홲홳홵",11],
+["c381","횁횂횄횆",5,"횎횏횑횒횓횕",7,"횞횠횢",5,"횩횪찼창찾채책챈챌챔챕챗챘챙챠챤챦챨챰챵처척천철첨첩첫첬청체첵첸첼쳄쳅쳇쳉쳐쳔쳤쳬쳰촁초촉촌촐촘촙촛총촤촨촬촹최쵠쵤쵬쵭쵯쵱쵸춈추축춘출춤춥춧충춰췄췌췐취췬췰췸췹췻췽츄츈츌츔츙츠측츤츨츰츱츳층"],
+["c441","횫횭횮횯횱",7,"횺횼",7,"훆훇훉훊훋"],
+["c461","훍훎훏훐훒훓훕훖훘훚",5,"훡훢훣훥훦훧훩",4],
+["c481","훮훯훱훲훳훴훶",5,"훾훿휁휂휃휅",11,"휒휓휔치칙친칟칠칡침칩칫칭카칵칸칼캄캅캇캉캐캑캔캘캠캡캣캤캥캬캭컁커컥컨컫컬컴컵컷컸컹케켁켄켈켐켑켓켕켜켠켤켬켭켯켰켱켸코콕콘콜콤콥콧콩콰콱콴콸쾀쾅쾌쾡쾨쾰쿄쿠쿡쿤쿨쿰쿱쿳쿵쿼퀀퀄퀑퀘퀭퀴퀵퀸퀼"],
+["c541","휕휖휗휚휛휝휞휟휡",6,"휪휬휮",5,"휶휷휹"],
+["c561","휺휻휽",6,"흅흆흈흊",5,"흒흓흕흚",4],
+["c581","흟흢흤흦흧흨흪흫흭흮흯흱흲흳흵",6,"흾흿힀힂",5,"힊힋큄큅큇큉큐큔큘큠크큭큰클큼큽킁키킥킨킬킴킵킷킹타탁탄탈탉탐탑탓탔탕태택탠탤탬탭탯탰탱탸턍터턱턴털턺텀텁텃텄텅테텍텐텔템텝텟텡텨텬텼톄톈토톡톤톨톰톱톳통톺톼퇀퇘퇴퇸툇툉툐투툭툰툴툼툽툿퉁퉈퉜"],
+["c641","힍힎힏힑",6,"힚힜힞",5],
+["c6a1","퉤튀튁튄튈튐튑튕튜튠튤튬튱트특튼튿틀틂틈틉틋틔틘틜틤틥티틱틴틸팀팁팃팅파팍팎판팔팖팜팝팟팠팡팥패팩팬팰팸팹팻팼팽퍄퍅퍼퍽펀펄펌펍펏펐펑페펙펜펠펨펩펫펭펴편펼폄폅폈평폐폘폡폣포폭폰폴폼폽폿퐁"],
+["c7a1","퐈퐝푀푄표푠푤푭푯푸푹푼푿풀풂품풉풋풍풔풩퓌퓐퓔퓜퓟퓨퓬퓰퓸퓻퓽프픈플픔픕픗피픽핀필핌핍핏핑하학한할핥함합핫항해핵핸핼햄햅햇했행햐향허헉헌헐헒험헙헛헝헤헥헨헬헴헵헷헹혀혁현혈혐협혓혔형혜혠"],
+["c8a1","혤혭호혹혼홀홅홈홉홋홍홑화확환활홧황홰홱홴횃횅회획횐횔횝횟횡효횬횰횹횻후훅훈훌훑훔훗훙훠훤훨훰훵훼훽휀휄휑휘휙휜휠휨휩휫휭휴휵휸휼흄흇흉흐흑흔흖흗흘흙흠흡흣흥흩희흰흴흼흽힁히힉힌힐힘힙힛힝"],
+["caa1","伽佳假價加可呵哥嘉嫁家暇架枷柯歌珂痂稼苛茄街袈訶賈跏軻迦駕刻却各恪慤殼珏脚覺角閣侃刊墾奸姦干幹懇揀杆柬桿澗癎看磵稈竿簡肝艮艱諫間乫喝曷渴碣竭葛褐蝎鞨勘坎堪嵌感憾戡敢柑橄減甘疳監瞰紺邯鑑鑒龕"],
+["cba1","匣岬甲胛鉀閘剛堈姜岡崗康强彊慷江畺疆糠絳綱羌腔舡薑襁講鋼降鱇介价個凱塏愷愾慨改槪漑疥皆盖箇芥蓋豈鎧開喀客坑更粳羹醵倨去居巨拒据據擧渠炬祛距踞車遽鉅鋸乾件健巾建愆楗腱虔蹇鍵騫乞傑杰桀儉劍劒檢"],
+["cca1","瞼鈐黔劫怯迲偈憩揭擊格檄激膈覡隔堅牽犬甄絹繭肩見譴遣鵑抉決潔結缺訣兼慊箝謙鉗鎌京俓倞傾儆勁勍卿坰境庚徑慶憬擎敬景暻更梗涇炅烱璟璥瓊痙硬磬竟競絅經耕耿脛莖警輕逕鏡頃頸驚鯨係啓堺契季屆悸戒桂械"],
+["cda1","棨溪界癸磎稽系繫繼計誡谿階鷄古叩告呱固姑孤尻庫拷攷故敲暠枯槁沽痼皐睾稿羔考股膏苦苽菰藁蠱袴誥賈辜錮雇顧高鼓哭斛曲梏穀谷鵠困坤崑昆梱棍滾琨袞鯤汨滑骨供公共功孔工恐恭拱控攻珙空蚣貢鞏串寡戈果瓜"],
+["cea1","科菓誇課跨過鍋顆廓槨藿郭串冠官寬慣棺款灌琯瓘管罐菅觀貫關館刮恝括适侊光匡壙廣曠洸炚狂珖筐胱鑛卦掛罫乖傀塊壞怪愧拐槐魁宏紘肱轟交僑咬喬嬌嶠巧攪敎校橋狡皎矯絞翹膠蕎蛟較轎郊餃驕鮫丘久九仇俱具勾"],
+["cfa1","區口句咎嘔坵垢寇嶇廐懼拘救枸柩構歐毆毬求溝灸狗玖球瞿矩究絿耉臼舅舊苟衢謳購軀逑邱鉤銶駒驅鳩鷗龜國局菊鞠鞫麴君窘群裙軍郡堀屈掘窟宮弓穹窮芎躬倦券勸卷圈拳捲權淃眷厥獗蕨蹶闕机櫃潰詭軌饋句晷歸貴"],
+["d0a1","鬼龜叫圭奎揆槻珪硅窺竅糾葵規赳逵閨勻均畇筠菌鈞龜橘克剋劇戟棘極隙僅劤勤懃斤根槿瑾筋芹菫覲謹近饉契今妗擒昑檎琴禁禽芩衾衿襟金錦伋及急扱汲級給亘兢矜肯企伎其冀嗜器圻基埼夔奇妓寄岐崎己幾忌技旗旣"],
+["d1a1","朞期杞棋棄機欺氣汽沂淇玘琦琪璂璣畸畿碁磯祁祇祈祺箕紀綺羈耆耭肌記譏豈起錡錤飢饑騎騏驥麒緊佶吉拮桔金喫儺喇奈娜懦懶拏拿癩",5,"那樂",4,"諾酪駱亂卵暖欄煖爛蘭難鸞捏捺南嵐枏楠湳濫男藍襤拉"],
+["d2a1","納臘蠟衲囊娘廊",4,"乃來內奈柰耐冷女年撚秊念恬拈捻寧寗努勞奴弩怒擄櫓爐瑙盧",5,"駑魯",10,"濃籠聾膿農惱牢磊腦賂雷尿壘",7,"嫩訥杻紐勒",5,"能菱陵尼泥匿溺多茶"],
+["d3a1","丹亶但單團壇彖斷旦檀段湍短端簞緞蛋袒鄲鍛撻澾獺疸達啖坍憺擔曇淡湛潭澹痰聃膽蕁覃談譚錟沓畓答踏遝唐堂塘幢戇撞棠當糖螳黨代垈坮大對岱帶待戴擡玳臺袋貸隊黛宅德悳倒刀到圖堵塗導屠島嶋度徒悼挑掉搗桃"],
+["d4a1","棹櫂淘渡滔濤燾盜睹禱稻萄覩賭跳蹈逃途道都鍍陶韜毒瀆牘犢獨督禿篤纛讀墩惇敦旽暾沌焞燉豚頓乭突仝冬凍動同憧東桐棟洞潼疼瞳童胴董銅兜斗杜枓痘竇荳讀豆逗頭屯臀芚遁遯鈍得嶝橙燈登等藤謄鄧騰喇懶拏癩羅"],
+["d5a1","蘿螺裸邏樂洛烙珞絡落諾酪駱丹亂卵欄欒瀾爛蘭鸞剌辣嵐擥攬欖濫籃纜藍襤覽拉臘蠟廊朗浪狼琅瑯螂郞來崍徠萊冷掠略亮倆兩凉梁樑粮粱糧良諒輛量侶儷勵呂廬慮戾旅櫚濾礪藜蠣閭驢驪麗黎力曆歷瀝礫轢靂憐戀攣漣"],
+["d6a1","煉璉練聯蓮輦連鍊冽列劣洌烈裂廉斂殮濂簾獵令伶囹寧岺嶺怜玲笭羚翎聆逞鈴零靈領齡例澧禮醴隷勞怒撈擄櫓潞瀘爐盧老蘆虜路輅露魯鷺鹵碌祿綠菉錄鹿麓論壟弄朧瀧瓏籠聾儡瀨牢磊賂賚賴雷了僚寮廖料燎療瞭聊蓼"],
+["d7a1","遼鬧龍壘婁屢樓淚漏瘻累縷蔞褸鏤陋劉旒柳榴流溜瀏琉瑠留瘤硫謬類六戮陸侖倫崙淪綸輪律慄栗率隆勒肋凜凌楞稜綾菱陵俚利厘吏唎履悧李梨浬犁狸理璃異痢籬罹羸莉裏裡里釐離鯉吝潾燐璘藺躪隣鱗麟林淋琳臨霖砬"],
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+["eea1","障再哉在宰才材栽梓渽滓災縡裁財載齋齎爭箏諍錚佇低儲咀姐底抵杵楮樗沮渚狙猪疽箸紵苧菹著藷詛貯躇這邸雎齟勣吊嫡寂摘敵滴狄炙的積笛籍績翟荻謫賊赤跡蹟迪迹適鏑佃佺傳全典前剪塡塼奠專展廛悛戰栓殿氈澱"],
+["efa1","煎琠田甸畑癲筌箋箭篆纏詮輾轉鈿銓錢鐫電顚顫餞切截折浙癤竊節絶占岾店漸点粘霑鮎點接摺蝶丁井亭停偵呈姃定幀庭廷征情挺政整旌晶晸柾楨檉正汀淀淨渟湞瀞炡玎珽町睛碇禎程穽精綎艇訂諪貞鄭酊釘鉦鋌錠霆靖"],
+["f0a1","靜頂鼎制劑啼堤帝弟悌提梯濟祭第臍薺製諸蹄醍除際霽題齊俎兆凋助嘲弔彫措操早晁曺曹朝條棗槽漕潮照燥爪璪眺祖祚租稠窕粗糟組繰肇藻蚤詔調趙躁造遭釣阻雕鳥族簇足鏃存尊卒拙猝倧宗從悰慫棕淙琮種終綜縱腫"],
+["f1a1","踪踵鍾鐘佐坐左座挫罪主住侏做姝胄呪周嗾奏宙州廚晝朱柱株注洲湊澍炷珠疇籌紂紬綢舟蛛註誅走躊輳週酎酒鑄駐竹粥俊儁准埈寯峻晙樽浚準濬焌畯竣蠢逡遵雋駿茁中仲衆重卽櫛楫汁葺增憎曾拯烝甑症繒蒸證贈之只"],
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+["f3a1","鏶集徵懲澄且侘借叉嗟嵯差次此磋箚茶蹉車遮捉搾着窄錯鑿齪撰澯燦璨瓚竄簒纂粲纘讚贊鑽餐饌刹察擦札紮僭參塹慘慙懺斬站讒讖倉倡創唱娼廠彰愴敞昌昶暢槍滄漲猖瘡窓脹艙菖蒼債埰寀寨彩採砦綵菜蔡采釵冊柵策"],
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+["f6a1","贅取吹嘴娶就炊翠聚脆臭趣醉驟鷲側仄厠惻測層侈値嗤峙幟恥梔治淄熾痔痴癡稚穉緇緻置致蚩輜雉馳齒則勅飭親七柒漆侵寢枕沈浸琛砧針鍼蟄秤稱快他咤唾墮妥惰打拖朶楕舵陀馱駝倬卓啄坼度托拓擢晫柝濁濯琢琸託"],
+["f7a1","鐸呑嘆坦彈憚歎灘炭綻誕奪脫探眈耽貪塔搭榻宕帑湯糖蕩兌台太怠態殆汰泰笞胎苔跆邰颱宅擇澤撑攄兎吐土討慟桶洞痛筒統通堆槌腿褪退頹偸套妬投透鬪慝特闖坡婆巴把播擺杷波派爬琶破罷芭跛頗判坂板版瓣販辦鈑"],
+["f8a1","阪八叭捌佩唄悖敗沛浿牌狽稗覇貝彭澎烹膨愎便偏扁片篇編翩遍鞭騙貶坪平枰萍評吠嬖幣廢弊斃肺蔽閉陛佈包匍匏咆哺圃布怖抛抱捕暴泡浦疱砲胞脯苞葡蒲袍褒逋鋪飽鮑幅暴曝瀑爆輻俵剽彪慓杓標漂瓢票表豹飇飄驃"],
+["f9a1","品稟楓諷豊風馮彼披疲皮被避陂匹弼必泌珌畢疋筆苾馝乏逼下何厦夏廈昰河瑕荷蝦賀遐霞鰕壑學虐謔鶴寒恨悍旱汗漢澣瀚罕翰閑閒限韓割轄函含咸啣喊檻涵緘艦銜陷鹹合哈盒蛤閤闔陜亢伉姮嫦巷恒抗杭桁沆港缸肛航"],
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diff --git a/node_modules/iconv-lite/encodings/tables/cp950.json b/node_modules/iconv-lite/encodings/tables/cp950.json
new file mode 100644
index 000000000..d8bc87178
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/tables/cp950.json
@@ -0,0 +1,177 @@
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+["e1a1","寣屣嶂嶀嵽嶆嵺嶁嵷嶊嶉嶈嵾嵼嶍嵹嵿幘幙幓廘廑廗廎廜廕廙廒廔彄彃彯徶愬愨慁慞慱慳慒慓慲慬憀慴慔慺慛慥愻慪慡慖戩戧戫搫摍摛摝摴摶摲摳摽摵摦撦摎撂摞摜摋摓摠摐摿搿摬摫摙摥摷敳斠暡暠暟朅朄朢榱榶槉"],
+["e240","榠槎榖榰榬榼榑榙榎榧榍榩榾榯榿槄榽榤槔榹槊榚槏榳榓榪榡榞槙榗榐槂榵榥槆歊歍歋殞殟殠毃毄毾滎滵滱漃漥滸漷滻漮漉潎漙漚漧漘漻漒滭漊"],
+["e2a1","漶潳滹滮漭潀漰漼漵滫漇漎潃漅滽滶漹漜滼漺漟漍漞漈漡熇熐熉熀熅熂熏煻熆熁熗牄牓犗犕犓獃獍獑獌瑢瑳瑱瑵瑲瑧瑮甀甂甃畽疐瘖瘈瘌瘕瘑瘊瘔皸瞁睼瞅瞂睮瞀睯睾瞃碲碪碴碭碨硾碫碞碥碠碬碢碤禘禊禋禖禕禔禓"],
+["e340","禗禈禒禐稫穊稰稯稨稦窨窫窬竮箈箜箊箑箐箖箍箌箛箎箅箘劄箙箤箂粻粿粼粺綧綷緂綣綪緁緀緅綝緎緄緆緋緌綯綹綖綼綟綦綮綩綡緉罳翢翣翥翞"],
+["e3a1","耤聝聜膉膆膃膇膍膌膋舕蒗蒤蒡蒟蒺蓎蓂蒬蒮蒫蒹蒴蓁蓍蒪蒚蒱蓐蒝蒧蒻蒢蒔蓇蓌蒛蒩蒯蒨蓖蒘蒶蓏蒠蓗蓔蓒蓛蒰蒑虡蜳蜣蜨蝫蝀蜮蜞蜡蜙蜛蝃蜬蝁蜾蝆蜠蜲蜪蜭蜼蜒蜺蜱蜵蝂蜦蜧蜸蜤蜚蜰蜑裷裧裱裲裺裾裮裼裶裻"],
+["e440","裰裬裫覝覡覟覞觩觫觨誫誙誋誒誏誖谽豨豩賕賏賗趖踉踂跿踍跽踊踃踇踆踅跾踀踄輐輑輎輍鄣鄜鄠鄢鄟鄝鄚鄤鄡鄛酺酲酹酳銥銤鉶銛鉺銠銔銪銍"],
+["e4a1","銦銚銫鉹銗鉿銣鋮銎銂銕銢鉽銈銡銊銆銌銙銧鉾銇銩銝銋鈭隞隡雿靘靽靺靾鞃鞀鞂靻鞄鞁靿韎韍頖颭颮餂餀餇馝馜駃馹馻馺駂馽駇骱髣髧鬾鬿魠魡魟鳱鳲鳵麧僿儃儰僸儆儇僶僾儋儌僽儊劋劌勱勯噈噂噌嘵噁噊噉噆噘"],
+["e540","噚噀嘳嘽嘬嘾嘸嘪嘺圚墫墝墱墠墣墯墬墥墡壿嫿嫴嫽嫷嫶嬃嫸嬂嫹嬁嬇嬅嬏屧嶙嶗嶟嶒嶢嶓嶕嶠嶜嶡嶚嶞幩幝幠幜緳廛廞廡彉徲憋憃慹憱憰憢憉"],
+["e5a1","憛憓憯憭憟憒憪憡憍慦憳戭摮摰撖撠撅撗撜撏撋撊撌撣撟摨撱撘敶敺敹敻斲斳暵暰暩暲暷暪暯樀樆樗槥槸樕槱槤樠槿槬槢樛樝槾樧槲槮樔槷槧橀樈槦槻樍槼槫樉樄樘樥樏槶樦樇槴樖歑殥殣殢殦氁氀毿氂潁漦潾澇濆澒"],
+["e640","澍澉澌潢潏澅潚澖潶潬澂潕潲潒潐潗澔澓潝漀潡潫潽潧澐潓澋潩潿澕潣潷潪潻熲熯熛熰熠熚熩熵熝熥熞熤熡熪熜熧熳犘犚獘獒獞獟獠獝獛獡獚獙"],
+["e6a1","獢璇璉璊璆璁瑽璅璈瑼瑹甈甇畾瘥瘞瘙瘝瘜瘣瘚瘨瘛皜皝皞皛瞍瞏瞉瞈磍碻磏磌磑磎磔磈磃磄磉禚禡禠禜禢禛歶稹窲窴窳箷篋箾箬篎箯箹篊箵糅糈糌糋緷緛緪緧緗緡縃緺緦緶緱緰緮緟罶羬羰羭翭翫翪翬翦翨聤聧膣膟"],
+["e740","膞膕膢膙膗舖艏艓艒艐艎艑蔤蔻蔏蔀蔩蔎蔉蔍蔟蔊蔧蔜蓻蔫蓺蔈蔌蓴蔪蓲蔕蓷蓫蓳蓼蔒蓪蓩蔖蓾蔨蔝蔮蔂蓽蔞蓶蔱蔦蓧蓨蓰蓯蓹蔘蔠蔰蔋蔙蔯虢"],
+["e7a1","蝖蝣蝤蝷蟡蝳蝘蝔蝛蝒蝡蝚蝑蝞蝭蝪蝐蝎蝟蝝蝯蝬蝺蝮蝜蝥蝏蝻蝵蝢蝧蝩衚褅褌褔褋褗褘褙褆褖褑褎褉覢覤覣觭觰觬諏諆誸諓諑諔諕誻諗誾諀諅諘諃誺誽諙谾豍貏賥賟賙賨賚賝賧趠趜趡趛踠踣踥踤踮踕踛踖踑踙踦踧"],
+["e840","踔踒踘踓踜踗踚輬輤輘輚輠輣輖輗遳遰遯遧遫鄯鄫鄩鄪鄲鄦鄮醅醆醊醁醂醄醀鋐鋃鋄鋀鋙銶鋏鋱鋟鋘鋩鋗鋝鋌鋯鋂鋨鋊鋈鋎鋦鋍鋕鋉鋠鋞鋧鋑鋓"],
+["e8a1","銵鋡鋆銴镼閬閫閮閰隤隢雓霅霈霂靚鞊鞎鞈韐韏頞頝頦頩頨頠頛頧颲餈飺餑餔餖餗餕駜駍駏駓駔駎駉駖駘駋駗駌骳髬髫髳髲髱魆魃魧魴魱魦魶魵魰魨魤魬鳼鳺鳽鳿鳷鴇鴀鳹鳻鴈鴅鴄麃黓鼏鼐儜儓儗儚儑凞匴叡噰噠噮"],
+["e940","噳噦噣噭噲噞噷圜圛壈墽壉墿墺壂墼壆嬗嬙嬛嬡嬔嬓嬐嬖嬨嬚嬠嬞寯嶬嶱嶩嶧嶵嶰嶮嶪嶨嶲嶭嶯嶴幧幨幦幯廩廧廦廨廥彋徼憝憨憖懅憴懆懁懌憺"],
+["e9a1","憿憸憌擗擖擐擏擉撽撉擃擛擳擙攳敿敼斢曈暾曀曊曋曏暽暻暺曌朣樴橦橉橧樲橨樾橝橭橶橛橑樨橚樻樿橁橪橤橐橏橔橯橩橠樼橞橖橕橍橎橆歕歔歖殧殪殫毈毇氄氃氆澭濋澣濇澼濎濈潞濄澽澞濊澨瀄澥澮澺澬澪濏澿澸"],
+["ea40","澢濉澫濍澯澲澰燅燂熿熸燖燀燁燋燔燊燇燏熽燘熼燆燚燛犝犞獩獦獧獬獥獫獪瑿璚璠璔璒璕璡甋疀瘯瘭瘱瘽瘳瘼瘵瘲瘰皻盦瞚瞝瞡瞜瞛瞢瞣瞕瞙"],
+["eaa1","瞗磝磩磥磪磞磣磛磡磢磭磟磠禤穄穈穇窶窸窵窱窷篞篣篧篝篕篥篚篨篹篔篪篢篜篫篘篟糒糔糗糐糑縒縡縗縌縟縠縓縎縜縕縚縢縋縏縖縍縔縥縤罃罻罼罺羱翯耪耩聬膱膦膮膹膵膫膰膬膴膲膷膧臲艕艖艗蕖蕅蕫蕍蕓蕡蕘"],
+["eb40","蕀蕆蕤蕁蕢蕄蕑蕇蕣蔾蕛蕱蕎蕮蕵蕕蕧蕠薌蕦蕝蕔蕥蕬虣虥虤螛螏螗螓螒螈螁螖螘蝹螇螣螅螐螑螝螄螔螜螚螉褞褦褰褭褮褧褱褢褩褣褯褬褟觱諠"],
+["eba1","諢諲諴諵諝謔諤諟諰諈諞諡諨諿諯諻貑貒貐賵賮賱賰賳赬赮趥趧踳踾踸蹀蹅踶踼踽蹁踰踿躽輶輮輵輲輹輷輴遶遹遻邆郺鄳鄵鄶醓醐醑醍醏錧錞錈錟錆錏鍺錸錼錛錣錒錁鍆錭錎錍鋋錝鋺錥錓鋹鋷錴錂錤鋿錩錹錵錪錔錌"],
+["ec40","錋鋾錉錀鋻錖閼闍閾閹閺閶閿閵閽隩雔霋霒霐鞙鞗鞔韰韸頵頯頲餤餟餧餩馞駮駬駥駤駰駣駪駩駧骹骿骴骻髶髺髹髷鬳鮀鮅鮇魼魾魻鮂鮓鮒鮐魺鮕"],
+["eca1","魽鮈鴥鴗鴠鴞鴔鴩鴝鴘鴢鴐鴙鴟麈麆麇麮麭黕黖黺鼒鼽儦儥儢儤儠儩勴嚓嚌嚍嚆嚄嚃噾嚂噿嚁壖壔壏壒嬭嬥嬲嬣嬬嬧嬦嬯嬮孻寱寲嶷幬幪徾徻懃憵憼懧懠懥懤懨懞擯擩擣擫擤擨斁斀斶旚曒檍檖檁檥檉檟檛檡檞檇檓檎"],
+["ed40","檕檃檨檤檑橿檦檚檅檌檒歛殭氉濌澩濴濔濣濜濭濧濦濞濲濝濢濨燡燱燨燲燤燰燢獳獮獯璗璲璫璐璪璭璱璥璯甐甑甒甏疄癃癈癉癇皤盩瞵瞫瞲瞷瞶"],
+["eda1","瞴瞱瞨矰磳磽礂磻磼磲礅磹磾礄禫禨穜穛穖穘穔穚窾竀竁簅簏篲簀篿篻簎篴簋篳簂簉簃簁篸篽簆篰篱簐簊糨縭縼繂縳顈縸縪繉繀繇縩繌縰縻縶繄縺罅罿罾罽翴翲耬膻臄臌臊臅臇膼臩艛艚艜薃薀薏薧薕薠薋薣蕻薤薚薞"],
+["ee40","蕷蕼薉薡蕺蕸蕗薎薖薆薍薙薝薁薢薂薈薅蕹蕶薘薐薟虨螾螪螭蟅螰螬螹螵螼螮蟉蟃蟂蟌螷螯蟄蟊螴螶螿螸螽蟞螲褵褳褼褾襁襒褷襂覭覯覮觲觳謞"],
+["eea1","謘謖謑謅謋謢謏謒謕謇謍謈謆謜謓謚豏豰豲豱豯貕貔賹赯蹎蹍蹓蹐蹌蹇轃轀邅遾鄸醚醢醛醙醟醡醝醠鎡鎃鎯鍤鍖鍇鍼鍘鍜鍶鍉鍐鍑鍠鍭鎏鍌鍪鍹鍗鍕鍒鍏鍱鍷鍻鍡鍞鍣鍧鎀鍎鍙闇闀闉闃闅閷隮隰隬霠霟霘霝霙鞚鞡鞜"],
+["ef40","鞞鞝韕韔韱顁顄顊顉顅顃餥餫餬餪餳餲餯餭餱餰馘馣馡騂駺駴駷駹駸駶駻駽駾駼騃骾髾髽鬁髼魈鮚鮨鮞鮛鮦鮡鮥鮤鮆鮢鮠鮯鴳鵁鵧鴶鴮鴯鴱鴸鴰"],
+["efa1","鵅鵂鵃鴾鴷鵀鴽翵鴭麊麉麍麰黈黚黻黿鼤鼣鼢齔龠儱儭儮嚘嚜嚗嚚嚝嚙奰嬼屩屪巀幭幮懘懟懭懮懱懪懰懫懖懩擿攄擽擸攁攃擼斔旛曚曛曘櫅檹檽櫡櫆檺檶檷櫇檴檭歞毉氋瀇瀌瀍瀁瀅瀔瀎濿瀀濻瀦濼濷瀊爁燿燹爃燽獶"],
+["f040","璸瓀璵瓁璾璶璻瓂甔甓癜癤癙癐癓癗癚皦皽盬矂瞺磿礌礓礔礉礐礒礑禭禬穟簜簩簙簠簟簭簝簦簨簢簥簰繜繐繖繣繘繢繟繑繠繗繓羵羳翷翸聵臑臒"],
+["f0a1","臐艟艞薴藆藀藃藂薳薵薽藇藄薿藋藎藈藅薱薶藒蘤薸薷薾虩蟧蟦蟢蟛蟫蟪蟥蟟蟳蟤蟔蟜蟓蟭蟘蟣螤蟗蟙蠁蟴蟨蟝襓襋襏襌襆襐襑襉謪謧謣謳謰謵譇謯謼謾謱謥謷謦謶謮謤謻謽謺豂豵貙貘貗賾贄贂贀蹜蹢蹠蹗蹖蹞蹥蹧"],
+["f140","蹛蹚蹡蹝蹩蹔轆轇轈轋鄨鄺鄻鄾醨醥醧醯醪鎵鎌鎒鎷鎛鎝鎉鎧鎎鎪鎞鎦鎕鎈鎙鎟鎍鎱鎑鎲鎤鎨鎴鎣鎥闒闓闑隳雗雚巂雟雘雝霣霢霥鞬鞮鞨鞫鞤鞪"],
+["f1a1","鞢鞥韗韙韖韘韺顐顑顒颸饁餼餺騏騋騉騍騄騑騊騅騇騆髀髜鬈鬄鬅鬩鬵魊魌魋鯇鯆鯃鮿鯁鮵鮸鯓鮶鯄鮹鮽鵜鵓鵏鵊鵛鵋鵙鵖鵌鵗鵒鵔鵟鵘鵚麎麌黟鼁鼀鼖鼥鼫鼪鼩鼨齌齕儴儵劖勷厴嚫嚭嚦嚧嚪嚬壚壝壛夒嬽嬾嬿巃幰"],
+["f240","徿懻攇攐攍攉攌攎斄旞旝曞櫧櫠櫌櫑櫙櫋櫟櫜櫐櫫櫏櫍櫞歠殰氌瀙瀧瀠瀖瀫瀡瀢瀣瀩瀗瀤瀜瀪爌爊爇爂爅犥犦犤犣犡瓋瓅璷瓃甖癠矉矊矄矱礝礛"],
+["f2a1","礡礜礗礞禰穧穨簳簼簹簬簻糬糪繶繵繸繰繷繯繺繲繴繨罋罊羃羆羷翽翾聸臗臕艤艡艣藫藱藭藙藡藨藚藗藬藲藸藘藟藣藜藑藰藦藯藞藢蠀蟺蠃蟶蟷蠉蠌蠋蠆蟼蠈蟿蠊蠂襢襚襛襗襡襜襘襝襙覈覷覶觶譐譈譊譀譓譖譔譋譕"],
+["f340","譑譂譒譗豃豷豶貚贆贇贉趬趪趭趫蹭蹸蹳蹪蹯蹻軂轒轑轏轐轓辴酀鄿醰醭鏞鏇鏏鏂鏚鏐鏹鏬鏌鏙鎩鏦鏊鏔鏮鏣鏕鏄鏎鏀鏒鏧镽闚闛雡霩霫霬霨霦"],
+["f3a1","鞳鞷鞶韝韞韟顜顙顝顗颿颽颻颾饈饇饃馦馧騚騕騥騝騤騛騢騠騧騣騞騜騔髂鬋鬊鬎鬌鬷鯪鯫鯠鯞鯤鯦鯢鯰鯔鯗鯬鯜鯙鯥鯕鯡鯚鵷鶁鶊鶄鶈鵱鶀鵸鶆鶋鶌鵽鵫鵴鵵鵰鵩鶅鵳鵻鶂鵯鵹鵿鶇鵨麔麑黀黼鼭齀齁齍齖齗齘匷嚲"],
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+["f840","讌讎讋讈豅贙躘轤轣醼鑢鑕鑝鑗鑞韄韅頀驖驙鬞鬟鬠鱒鱘鱐鱊鱍鱋鱕鱙鱌鱎鷻鷷鷯鷣鷫鷸鷤鷶鷡鷮鷦鷲鷰鷢鷬鷴鷳鷨鷭黂黐黲黳鼆鼜鼸鼷鼶齃齏"],
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+["f940","纘纛纙臠臡虆虇虈襹襺襼襻觿讘讙躥躤躣鑮鑭鑯鑱鑳靉顲饟鱨鱮鱭鸋鸍鸐鸏鸒鸑麡黵鼉齇齸齻齺齹圞灦籯蠼趲躦釃鑴鑸鑶鑵驠鱴鱳鱱鱵鸔鸓黶鼊"],
+["f9a1","龤灨灥糷虪蠾蠽蠿讞貜躩軉靋顳顴飌饡馫驤驦驧鬤鸕鸗齈戇欞爧虌躨钂钀钁驩驨鬮鸙爩虋讟钃鱹麷癵驫鱺鸝灩灪麤齾齉龘碁銹裏墻恒粧嫺╔╦╗╠╬╣╚╩╝╒╤╕╞╪╡╘╧╛╓╥╖╟╫╢╙╨╜║═╭╮╰╯▓"]
+]
diff --git a/node_modules/iconv-lite/encodings/tables/eucjp.json b/node_modules/iconv-lite/encodings/tables/eucjp.json
new file mode 100644
index 000000000..4fa61ca11
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/tables/eucjp.json
@@ -0,0 +1,182 @@
+[
+["0","\u0000",127],
+["8ea1","｡",62],
+["a1a1","　、。，．・：；？！゛゜´｀¨＾￣＿ヽヾゝゞ〃仝々〆〇ー―‐／＼～∥｜…‥‘’“”（）〔〕［］｛｝〈",9,"＋－±×÷＝≠＜＞≦≧∞∴♂♀°′″℃￥＄￠￡％＃＆＊＠§☆★○●◎◇"],
+["a2a1","◆□■△▲▽▼※〒→←↑↓〓"],
+["a2ba","∈∋⊆⊇⊂⊃∪∩"],
+["a2ca","∧∨￢⇒⇔∀∃"],
+["a2dc","∠⊥⌒∂∇≡≒≪≫√∽∝∵∫∬"],
+["a2f2","ʼn♯♭♪†‡¶"],
+["a2fe","◯"],
+["a3b0","０",9],
+["a3c1","Ａ",25],
+["a3e1","ａ",25],
+["a4a1","ぁ",82],
+["a5a1","ァ",85],
+["a6a1","Α",16,"Σ",6],
+["a6c1","α",16,"σ",6],
+["a7a1","А",5,"ЁЖ",25],
+["a7d1","а",5,"ёж",25],
+["a8a1","─│┌┐┘└├┬┤┴┼━┃┏┓┛┗┣┳┫┻╋┠┯┨┷┿┝┰┥┸╂"],
+["ada1","①",19,"Ⅰ",9],
+["adc0","㍉㌔㌢㍍㌘㌧㌃㌶㍑㍗㌍㌦㌣㌫㍊㌻㎜㎝㎞㎎㎏㏄㎡"],
+["addf","㍻〝〟№㏍℡㊤",4,"㈱㈲㈹㍾㍽㍼≒≡∫∮∑√⊥∠∟⊿∵∩∪"],
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+["b1a1","院陰隠韻吋右宇烏羽迂雨卯鵜窺丑碓臼渦嘘唄欝蔚鰻姥厩浦瓜閏噂云運雲荏餌叡営嬰影映曳栄永泳洩瑛盈穎頴英衛詠鋭液疫益駅悦謁越閲榎厭円園堰奄宴延怨掩援沿演炎焔煙燕猿縁艶苑薗遠鉛鴛塩於汚甥凹央奥往応"],
+["b2a1","押旺横欧殴王翁襖鴬鴎黄岡沖荻億屋憶臆桶牡乙俺卸恩温穏音下化仮何伽価佳加可嘉夏嫁家寡科暇果架歌河火珂禍禾稼箇花苛茄荷華菓蝦課嘩貨迦過霞蚊俄峨我牙画臥芽蛾賀雅餓駕介会解回塊壊廻快怪悔恢懐戒拐改"],
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+["b4a1","粥刈苅瓦乾侃冠寒刊勘勧巻喚堪姦完官寛干幹患感慣憾換敢柑桓棺款歓汗漢澗潅環甘監看竿管簡緩缶翰肝艦莞観諌貫還鑑間閑関陥韓館舘丸含岸巌玩癌眼岩翫贋雁頑顔願企伎危喜器基奇嬉寄岐希幾忌揮机旗既期棋棄"],
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+["b6a1","供侠僑兇競共凶協匡卿叫喬境峡強彊怯恐恭挟教橋況狂狭矯胸脅興蕎郷鏡響饗驚仰凝尭暁業局曲極玉桐粁僅勤均巾錦斤欣欽琴禁禽筋緊芹菌衿襟謹近金吟銀九倶句区狗玖矩苦躯駆駈駒具愚虞喰空偶寓遇隅串櫛釧屑屈"],
+["b7a1","掘窟沓靴轡窪熊隈粂栗繰桑鍬勲君薫訓群軍郡卦袈祁係傾刑兄啓圭珪型契形径恵慶慧憩掲携敬景桂渓畦稽系経継繋罫茎荊蛍計詣警軽頚鶏芸迎鯨劇戟撃激隙桁傑欠決潔穴結血訣月件倹倦健兼券剣喧圏堅嫌建憲懸拳捲"],
+["b8a1","検権牽犬献研硯絹県肩見謙賢軒遣鍵険顕験鹸元原厳幻弦減源玄現絃舷言諺限乎個古呼固姑孤己庫弧戸故枯湖狐糊袴股胡菰虎誇跨鈷雇顧鼓五互伍午呉吾娯後御悟梧檎瑚碁語誤護醐乞鯉交佼侯候倖光公功効勾厚口向"],
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+["baa1","此頃今困坤墾婚恨懇昏昆根梱混痕紺艮魂些佐叉唆嵯左差査沙瑳砂詐鎖裟坐座挫債催再最哉塞妻宰彩才採栽歳済災采犀砕砦祭斎細菜裁載際剤在材罪財冴坂阪堺榊肴咲崎埼碕鷺作削咋搾昨朔柵窄策索錯桜鮭笹匙冊刷"],
+["bba1","察拶撮擦札殺薩雑皐鯖捌錆鮫皿晒三傘参山惨撒散桟燦珊産算纂蚕讃賛酸餐斬暫残仕仔伺使刺司史嗣四士始姉姿子屍市師志思指支孜斯施旨枝止死氏獅祉私糸紙紫肢脂至視詞詩試誌諮資賜雌飼歯事似侍児字寺慈持時"],
+["bca1","次滋治爾璽痔磁示而耳自蒔辞汐鹿式識鴫竺軸宍雫七叱執失嫉室悉湿漆疾質実蔀篠偲柴芝屡蕊縞舎写射捨赦斜煮社紗者謝車遮蛇邪借勺尺杓灼爵酌釈錫若寂弱惹主取守手朱殊狩珠種腫趣酒首儒受呪寿授樹綬需囚収周"],
+["bda1","宗就州修愁拾洲秀秋終繍習臭舟蒐衆襲讐蹴輯週酋酬集醜什住充十従戎柔汁渋獣縦重銃叔夙宿淑祝縮粛塾熟出術述俊峻春瞬竣舜駿准循旬楯殉淳準潤盾純巡遵醇順処初所暑曙渚庶緒署書薯藷諸助叙女序徐恕鋤除傷償"],
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+["bfa1","拭植殖燭織職色触食蝕辱尻伸信侵唇娠寝審心慎振新晋森榛浸深申疹真神秦紳臣芯薪親診身辛進針震人仁刃塵壬尋甚尽腎訊迅陣靭笥諏須酢図厨逗吹垂帥推水炊睡粋翠衰遂酔錐錘随瑞髄崇嵩数枢趨雛据杉椙菅頗雀裾"],
+["c0a1","澄摺寸世瀬畝是凄制勢姓征性成政整星晴棲栖正清牲生盛精聖声製西誠誓請逝醒青静斉税脆隻席惜戚斥昔析石積籍績脊責赤跡蹟碩切拙接摂折設窃節説雪絶舌蝉仙先千占宣専尖川戦扇撰栓栴泉浅洗染潜煎煽旋穿箭線"],
+["c1a1","繊羨腺舛船薦詮賎践選遷銭銑閃鮮前善漸然全禅繕膳糎噌塑岨措曾曽楚狙疏疎礎祖租粗素組蘇訴阻遡鼠僧創双叢倉喪壮奏爽宋層匝惣想捜掃挿掻操早曹巣槍槽漕燥争痩相窓糟総綜聡草荘葬蒼藻装走送遭鎗霜騒像増憎"],
+["c2a1","臓蔵贈造促側則即息捉束測足速俗属賊族続卒袖其揃存孫尊損村遜他多太汰詑唾堕妥惰打柁舵楕陀駄騨体堆対耐岱帯待怠態戴替泰滞胎腿苔袋貸退逮隊黛鯛代台大第醍題鷹滝瀧卓啄宅托択拓沢濯琢託鐸濁諾茸凧蛸只"],
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+["c4a1","帖帳庁弔張彫徴懲挑暢朝潮牒町眺聴脹腸蝶調諜超跳銚長頂鳥勅捗直朕沈珍賃鎮陳津墜椎槌追鎚痛通塚栂掴槻佃漬柘辻蔦綴鍔椿潰坪壷嬬紬爪吊釣鶴亭低停偵剃貞呈堤定帝底庭廷弟悌抵挺提梯汀碇禎程締艇訂諦蹄逓"],
+["c5a1","邸鄭釘鼎泥摘擢敵滴的笛適鏑溺哲徹撤轍迭鉄典填天展店添纏甜貼転顛点伝殿澱田電兎吐堵塗妬屠徒斗杜渡登菟賭途都鍍砥砺努度土奴怒倒党冬凍刀唐塔塘套宕島嶋悼投搭東桃梼棟盗淘湯涛灯燈当痘祷等答筒糖統到"],
+["c6a1","董蕩藤討謄豆踏逃透鐙陶頭騰闘働動同堂導憧撞洞瞳童胴萄道銅峠鴇匿得徳涜特督禿篤毒独読栃橡凸突椴届鳶苫寅酉瀞噸屯惇敦沌豚遁頓呑曇鈍奈那内乍凪薙謎灘捺鍋楢馴縄畷南楠軟難汝二尼弐迩匂賑肉虹廿日乳入"],
+["c7a1","如尿韮任妊忍認濡禰祢寧葱猫熱年念捻撚燃粘乃廼之埜嚢悩濃納能脳膿農覗蚤巴把播覇杷波派琶破婆罵芭馬俳廃拝排敗杯盃牌背肺輩配倍培媒梅楳煤狽買売賠陪這蝿秤矧萩伯剥博拍柏泊白箔粕舶薄迫曝漠爆縛莫駁麦"],
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+["c9a1","鼻柊稗匹疋髭彦膝菱肘弼必畢筆逼桧姫媛紐百謬俵彪標氷漂瓢票表評豹廟描病秒苗錨鋲蒜蛭鰭品彬斌浜瀕貧賓頻敏瓶不付埠夫婦富冨布府怖扶敷斧普浮父符腐膚芙譜負賦赴阜附侮撫武舞葡蕪部封楓風葺蕗伏副復幅服"],
+["caa1","福腹複覆淵弗払沸仏物鮒分吻噴墳憤扮焚奮粉糞紛雰文聞丙併兵塀幣平弊柄並蔽閉陛米頁僻壁癖碧別瞥蔑箆偏変片篇編辺返遍便勉娩弁鞭保舗鋪圃捕歩甫補輔穂募墓慕戊暮母簿菩倣俸包呆報奉宝峰峯崩庖抱捧放方朋"],
+["cba1","法泡烹砲縫胞芳萌蓬蜂褒訪豊邦鋒飽鳳鵬乏亡傍剖坊妨帽忘忙房暴望某棒冒紡肪膨謀貌貿鉾防吠頬北僕卜墨撲朴牧睦穆釦勃没殆堀幌奔本翻凡盆摩磨魔麻埋妹昧枚毎哩槙幕膜枕鮪柾鱒桝亦俣又抹末沫迄侭繭麿万慢満"],
+["cca1","漫蔓味未魅巳箕岬密蜜湊蓑稔脈妙粍民眠務夢無牟矛霧鵡椋婿娘冥名命明盟迷銘鳴姪牝滅免棉綿緬面麺摸模茂妄孟毛猛盲網耗蒙儲木黙目杢勿餅尤戻籾貰問悶紋門匁也冶夜爺耶野弥矢厄役約薬訳躍靖柳薮鑓愉愈油癒"],
+["cda1","諭輸唯佑優勇友宥幽悠憂揖有柚湧涌猶猷由祐裕誘遊邑郵雄融夕予余与誉輿預傭幼妖容庸揚揺擁曜楊様洋溶熔用窯羊耀葉蓉要謡踊遥陽養慾抑欲沃浴翌翼淀羅螺裸来莱頼雷洛絡落酪乱卵嵐欄濫藍蘭覧利吏履李梨理璃"],
+["cea1","痢裏裡里離陸律率立葎掠略劉流溜琉留硫粒隆竜龍侶慮旅虜了亮僚両凌寮料梁涼猟療瞭稜糧良諒遼量陵領力緑倫厘林淋燐琳臨輪隣鱗麟瑠塁涙累類令伶例冷励嶺怜玲礼苓鈴隷零霊麗齢暦歴列劣烈裂廉恋憐漣煉簾練聯"],
+["cfa1","蓮連錬呂魯櫓炉賂路露労婁廊弄朗楼榔浪漏牢狼篭老聾蝋郎六麓禄肋録論倭和話歪賄脇惑枠鷲亙亘鰐詫藁蕨椀湾碗腕"],
+["d0a1","弌丐丕个丱丶丼丿乂乖乘亂亅豫亊舒弍于亞亟亠亢亰亳亶从仍仄仆仂仗仞仭仟价伉佚估佛佝佗佇佶侈侏侘佻佩佰侑佯來侖儘俔俟俎俘俛俑俚俐俤俥倚倨倔倪倥倅伜俶倡倩倬俾俯們倆偃假會偕偐偈做偖偬偸傀傚傅傴傲"],
+["d1a1","僉僊傳僂僖僞僥僭僣僮價僵儉儁儂儖儕儔儚儡儺儷儼儻儿兀兒兌兔兢竸兩兪兮冀冂囘册冉冏冑冓冕冖冤冦冢冩冪冫决冱冲冰况冽凅凉凛几處凩凭凰凵凾刄刋刔刎刧刪刮刳刹剏剄剋剌剞剔剪剴剩剳剿剽劍劔劒剱劈劑辨"],
+["d2a1","辧劬劭劼劵勁勍勗勞勣勦飭勠勳勵勸勹匆匈甸匍匐匏匕匚匣匯匱匳匸區卆卅丗卉卍凖卞卩卮夘卻卷厂厖厠厦厥厮厰厶參簒雙叟曼燮叮叨叭叺吁吽呀听吭吼吮吶吩吝呎咏呵咎呟呱呷呰咒呻咀呶咄咐咆哇咢咸咥咬哄哈咨"],
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+["d5a1","奸妁妝佞侫妣妲姆姨姜妍姙姚娥娟娑娜娉娚婀婬婉娵娶婢婪媚媼媾嫋嫂媽嫣嫗嫦嫩嫖嫺嫻嬌嬋嬖嬲嫐嬪嬶嬾孃孅孀孑孕孚孛孥孩孰孳孵學斈孺宀它宦宸寃寇寉寔寐寤實寢寞寥寫寰寶寳尅將專對尓尠尢尨尸尹屁屆屎屓"],
+["d6a1","屐屏孱屬屮乢屶屹岌岑岔妛岫岻岶岼岷峅岾峇峙峩峽峺峭嶌峪崋崕崗嵜崟崛崑崔崢崚崙崘嵌嵒嵎嵋嵬嵳嵶嶇嶄嶂嶢嶝嶬嶮嶽嶐嶷嶼巉巍巓巒巖巛巫已巵帋帚帙帑帛帶帷幄幃幀幎幗幔幟幢幤幇幵并幺麼广庠廁廂廈廐廏"],
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+["d8a1","悄悛悖悗悒悧悋惡悸惠惓悴忰悽惆悵惘慍愕愆惶惷愀惴惺愃愡惻惱愍愎慇愾愨愧慊愿愼愬愴愽慂慄慳慷慘慙慚慫慴慯慥慱慟慝慓慵憙憖憇憬憔憚憊憑憫憮懌懊應懷懈懃懆憺懋罹懍懦懣懶懺懴懿懽懼懾戀戈戉戍戌戔戛"],
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+["daa1","據擒擅擇撻擘擂擱擧舉擠擡抬擣擯攬擶擴擲擺攀擽攘攜攅攤攣攫攴攵攷收攸畋效敖敕敍敘敞敝敲數斂斃變斛斟斫斷旃旆旁旄旌旒旛旙无旡旱杲昊昃旻杳昵昶昴昜晏晄晉晁晞晝晤晧晨晟晢晰暃暈暎暉暄暘暝曁暹曉暾暼"],
+["dba1","曄暸曖曚曠昿曦曩曰曵曷朏朖朞朦朧霸朮朿朶杁朸朷杆杞杠杙杣杤枉杰枩杼杪枌枋枦枡枅枷柯枴柬枳柩枸柤柞柝柢柮枹柎柆柧檜栞框栩桀桍栲桎梳栫桙档桷桿梟梏梭梔條梛梃檮梹桴梵梠梺椏梍桾椁棊椈棘椢椦棡椌棍"],
+["dca1","棔棧棕椶椒椄棗棣椥棹棠棯椨椪椚椣椡棆楹楷楜楸楫楔楾楮椹楴椽楙椰楡楞楝榁楪榲榮槐榿槁槓榾槎寨槊槝榻槃榧樮榑榠榜榕榴槞槨樂樛槿權槹槲槧樅榱樞槭樔槫樊樒櫁樣樓橄樌橲樶橸橇橢橙橦橈樸樢檐檍檠檄檢檣"],
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+["e3a1","磧磚磽磴礇礒礑礙礬礫祀祠祗祟祚祕祓祺祿禊禝禧齋禪禮禳禹禺秉秕秧秬秡秣稈稍稘稙稠稟禀稱稻稾稷穃穗穉穡穢穩龝穰穹穽窈窗窕窘窖窩竈窰窶竅竄窿邃竇竊竍竏竕竓站竚竝竡竢竦竭竰笂笏笊笆笳笘笙笞笵笨笶筐"],
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+["8fd1a1","秠秢秥秪秫秭秱秸秼稂稃稇稉稊稌稑稕稛稞稡稧稫稭稯稰稴稵稸稹稺穄穅穇穈穌穕穖穙穜穝穟穠穥穧穪穭穵穸穾窀窂窅窆窊窋窐窑窔窞窠窣窬窳窵窹窻窼竆竉竌竎竑竛竨竩竫竬竱竴竻竽竾笇笔笟笣笧笩笪笫笭笮笯笰"],
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+["8fdca1","蠺蠼衁衃衅衈衉衊衋衎衑衕衖衘衚衜衟衠衤衩衱衹衻袀袘袚袛袜袟袠袨袪袺袽袾裀裊",4,"裑裒裓裛裞裧裯裰裱裵裷褁褆褍褎褏褕褖褘褙褚褜褠褦褧褨褰褱褲褵褹褺褾襀襂襅襆襉襏襒襗襚襛襜襡襢襣襫襮襰襳襵襺"],
+["8fdda1","襻襼襽覉覍覐覔覕覛覜覟覠覥覰覴覵覶覷覼觔",4,"觥觩觫觭觱觳觶觹觽觿訄訅訇訏訑訒訔訕訞訠訢訤訦訫訬訯訵訷訽訾詀詃詅詇詉詍詎詓詖詗詘詜詝詡詥詧詵詶詷詹詺詻詾詿誀誃誆誋誏誐誒誖誗誙誟誧誩誮誯誳"],
+["8fdea1","誶誷誻誾諃諆諈諉諊諑諓諔諕諗諝諟諬諰諴諵諶諼諿謅謆謋謑謜謞謟謊謭謰謷謼譂",4,"譈譒譓譔譙譍譞譣譭譶譸譹譼譾讁讄讅讋讍讏讔讕讜讞讟谸谹谽谾豅豇豉豋豏豑豓豔豗豘豛豝豙豣豤豦豨豩豭豳豵豶豻豾貆"],
+["8fdfa1","貇貋貐貒貓貙貛貜貤貹貺賅賆賉賋賏賖賕賙賝賡賨賬賯賰賲賵賷賸賾賿贁贃贉贒贗贛赥赩赬赮赿趂趄趈趍趐趑趕趞趟趠趦趫趬趯趲趵趷趹趻跀跅跆跇跈跊跎跑跔跕跗跙跤跥跧跬跰趼跱跲跴跽踁踄踅踆踋踑踔踖踠踡踢"],
+["8fe0a1","踣踦踧踱踳踶踷踸踹踽蹀蹁蹋蹍蹎蹏蹔蹛蹜蹝蹞蹡蹢蹩蹬蹭蹯蹰蹱蹹蹺蹻躂躃躉躐躒躕躚躛躝躞躢躧躩躭躮躳躵躺躻軀軁軃軄軇軏軑軔軜軨軮軰軱軷軹軺軭輀輂輇輈輏輐輖輗輘輞輠輡輣輥輧輨輬輭輮輴輵輶輷輺轀轁"],
+["8fe1a1","轃轇轏轑",4,"轘轝轞轥辝辠辡辤辥辦辵辶辸达迀迁迆迊迋迍运迒迓迕迠迣迤迨迮迱迵迶迻迾适逄逈逌逘逛逨逩逯逪逬逭逳逴逷逿遃遄遌遛遝遢遦遧遬遰遴遹邅邈邋邌邎邐邕邗邘邙邛邠邡邢邥邰邲邳邴邶邽郌邾郃"],
+["8fe2a1","郄郅郇郈郕郗郘郙郜郝郟郥郒郶郫郯郰郴郾郿鄀鄄鄅鄆鄈鄍鄐鄔鄖鄗鄘鄚鄜鄞鄠鄥鄢鄣鄧鄩鄮鄯鄱鄴鄶鄷鄹鄺鄼鄽酃酇酈酏酓酗酙酚酛酡酤酧酭酴酹酺酻醁醃醅醆醊醎醑醓醔醕醘醞醡醦醨醬醭醮醰醱醲醳醶醻醼醽醿"],
+["8fe3a1","釂釃釅釓釔釗釙釚釞釤釥釩釪釬",5,"釷釹釻釽鈀鈁鈄鈅鈆鈇鈉鈊鈌鈐鈒鈓鈖鈘鈜鈝鈣鈤鈥鈦鈨鈮鈯鈰鈳鈵鈶鈸鈹鈺鈼鈾鉀鉂鉃鉆鉇鉊鉍鉎鉏鉑鉘鉙鉜鉝鉠鉡鉥鉧鉨鉩鉮鉯鉰鉵",4,"鉻鉼鉽鉿銈銉銊銍銎銒銗"],
+["8fe4a1","銙銟銠銤銥銧銨銫銯銲銶銸銺銻銼銽銿",4,"鋅鋆鋇鋈鋋鋌鋍鋎鋐鋓鋕鋗鋘鋙鋜鋝鋟鋠鋡鋣鋥鋧鋨鋬鋮鋰鋹鋻鋿錀錂錈錍錑錔錕錜錝錞錟錡錤錥錧錩錪錳錴錶錷鍇鍈鍉鍐鍑鍒鍕鍗鍘鍚鍞鍤鍥鍧鍩鍪鍭鍯鍰鍱鍳鍴鍶"],
+["8fe5a1","鍺鍽鍿鎀鎁鎂鎈鎊鎋鎍鎏鎒鎕鎘鎛鎞鎡鎣鎤鎦鎨鎫鎴鎵鎶鎺鎩鏁鏄鏅鏆鏇鏉",4,"鏓鏙鏜鏞鏟鏢鏦鏧鏹鏷鏸鏺鏻鏽鐁鐂鐄鐈鐉鐍鐎鐏鐕鐖鐗鐟鐮鐯鐱鐲鐳鐴鐻鐿鐽鑃鑅鑈鑊鑌鑕鑙鑜鑟鑡鑣鑨鑫鑭鑮鑯鑱鑲钄钃镸镹"],
+["8fe6a1","镾閄閈閌閍閎閝閞閟閡閦閩閫閬閴閶閺閽閿闆闈闉闋闐闑闒闓闙闚闝闞闟闠闤闦阝阞阢阤阥阦阬阱阳阷阸阹阺阼阽陁陒陔陖陗陘陡陮陴陻陼陾陿隁隂隃隄隉隑隖隚隝隟隤隥隦隩隮隯隳隺雊雒嶲雘雚雝雞雟雩雯雱雺霂"],
+["8fe7a1","霃霅霉霚霛霝霡霢霣霨霱霳靁靃靊靎靏靕靗靘靚靛靣靧靪靮靳靶靷靸靻靽靿鞀鞉鞕鞖鞗鞙鞚鞞鞟鞢鞬鞮鞱鞲鞵鞶鞸鞹鞺鞼鞾鞿韁韄韅韇韉韊韌韍韎韐韑韔韗韘韙韝韞韠韛韡韤韯韱韴韷韸韺頇頊頙頍頎頔頖頜頞頠頣頦"],
+["8fe8a1","頫頮頯頰頲頳頵頥頾顄顇顊顑顒顓顖顗顙顚顢顣顥顦顪顬颫颭颮颰颴颷颸颺颻颿飂飅飈飌飡飣飥飦飧飪飳飶餂餇餈餑餕餖餗餚餛餜餟餢餦餧餫餱",4,"餹餺餻餼饀饁饆饇饈饍饎饔饘饙饛饜饞饟饠馛馝馟馦馰馱馲馵"],
+["8fe9a1","馹馺馽馿駃駉駓駔駙駚駜駞駧駪駫駬駰駴駵駹駽駾騂騃騄騋騌騐騑騖騞騠騢騣騤騧騭騮騳騵騶騸驇驁驄驊驋驌驎驑驔驖驝骪骬骮骯骲骴骵骶骹骻骾骿髁髃髆髈髎髐髒髕髖髗髛髜髠髤髥髧髩髬髲髳髵髹髺髽髿",4],
+["8feaa1","鬄鬅鬈鬉鬋鬌鬍鬎鬐鬒鬖鬙鬛鬜鬠鬦鬫鬭鬳鬴鬵鬷鬹鬺鬽魈魋魌魕魖魗魛魞魡魣魥魦魨魪",4,"魳魵魷魸魹魿鮀鮄鮅鮆鮇鮉鮊鮋鮍鮏鮐鮔鮚鮝鮞鮦鮧鮩鮬鮰鮱鮲鮷鮸鮻鮼鮾鮿鯁鯇鯈鯎鯐鯗鯘鯝鯟鯥鯧鯪鯫鯯鯳鯷鯸"],
+["8feba1","鯹鯺鯽鯿鰀鰂鰋鰏鰑鰖鰘鰙鰚鰜鰞鰢鰣鰦",4,"鰱鰵鰶鰷鰽鱁鱃鱄鱅鱉鱊鱎鱏鱐鱓鱔鱖鱘鱛鱝鱞鱟鱣鱩鱪鱜鱫鱨鱮鱰鱲鱵鱷鱻鳦鳲鳷鳹鴋鴂鴑鴗鴘鴜鴝鴞鴯鴰鴲鴳鴴鴺鴼鵅鴽鵂鵃鵇鵊鵓鵔鵟鵣鵢鵥鵩鵪鵫鵰鵶鵷鵻"],
+["8feca1","鵼鵾鶃鶄鶆鶊鶍鶎鶒鶓鶕鶖鶗鶘鶡鶪鶬鶮鶱鶵鶹鶼鶿鷃鷇鷉鷊鷔鷕鷖鷗鷚鷞鷟鷠鷥鷧鷩鷫鷮鷰鷳鷴鷾鸊鸂鸇鸎鸐鸑鸒鸕鸖鸙鸜鸝鹺鹻鹼麀麂麃麄麅麇麎麏麖麘麛麞麤麨麬麮麯麰麳麴麵黆黈黋黕黟黤黧黬黭黮黰黱黲黵"],
+["8feda1","黸黿鼂鼃鼉鼏鼐鼑鼒鼔鼖鼗鼙鼚鼛鼟鼢鼦鼪鼫鼯鼱鼲鼴鼷鼹鼺鼼鼽鼿齁齃",4,"齓齕齖齗齘齚齝齞齨齩齭",4,"齳齵齺齽龏龐龑龒龔龖龗龞龡龢龣龥"]
+]
diff --git a/node_modules/iconv-lite/encodings/tables/gb18030-ranges.json b/node_modules/iconv-lite/encodings/tables/gb18030-ranges.json
new file mode 100644
index 000000000..85c693475
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/tables/gb18030-ranges.json
@@ -0,0 +1 @@
+{"uChars":[128,165,169,178,184,216,226,235,238,244,248,251,253,258,276,284,300,325,329,334,364,463,465,467,469,471,473,475,477,506,594,610,712,716,730,930,938,962,970,1026,1104,1106,8209,8215,8218,8222,8231,8241,8244,8246,8252,8365,8452,8454,8458,8471,8482,8556,8570,8596,8602,8713,8720,8722,8726,8731,8737,8740,8742,8748,8751,8760,8766,8777,8781,8787,8802,8808,8816,8854,8858,8870,8896,8979,9322,9372,9548,9588,9616,9622,9634,9652,9662,9672,9676,9680,9702,9735,9738,9793,9795,11906,11909,11913,11917,11928,11944,11947,11951,11956,11960,11964,11979,12284,12292,12312,12319,12330,12351,12436,12447,12535,12543,12586,12842,12850,12964,13200,13215,13218,13253,13263,13267,13270,13384,13428,13727,13839,13851,14617,14703,14801,14816,14964,15183,15471,15585,16471,16736,17208,17325,17330,17374,17623,17997,18018,18212,18218,18301,18318,18760,18811,18814,18820,18823,18844,18848,18872,19576,19620,19738,19887,40870,59244,59336,59367,59413,59417,59423,59431,59437,59443,59452,59460,59478,59493,63789,63866,63894,63976,63986,64016,64018,64021,64025,64034,64037,64042,65074,65093,65107,65112,65127,65132,65375,65510,65536],"gbChars":[0,36,38,45,50,81,89,95,96,100,103,104,105,109,126,133,148,172,175,179,208,306,307,308,309,310,311,312,313,341,428,443,544,545,558,741,742,749,750,805,819,820,7922,7924,7925,7927,7934,7943,7944,7945,7950,8062,8148,8149,8152,8164,8174,8236,8240,8262,8264,8374,8380,8381,8384,8388,8390,8392,8393,8394,8396,8401,8406,8416,8419,8424,8437,8439,8445,8482,8485,8496,8521,8603,8936,8946,9046,9050,9063,9066,9076,9092,9100,9108,9111,9113,9131,9162,9164,9218,9219,11329,11331,11334,11336,11346,11361,11363,11366,11370,11372,11375,11389,11682,11686,11687,11692,11694,11714,11716,11723,11725,11730,11736,11982,11989,12102,12336,12348,12350,12384,12393,12395,12397,12510,12553,12851,12962,12973,13738,13823,13919,13933,14080,14298,14585,14698,15583,15847,16318,16434,16438,16481,16729,17102,17122,17315,17320,17402,17418,17859,17909,17911,17915,17916,17936,17939,17961,18664,18703,18814,18962,19043,33469,33470,33471,33484,33485,33490,33497,33501,33505,33513,33520,33536,33550,37845,37921,37948,38029,38038,38064,38065,38066,38069,38075,38076,38078,39108,39109,39113,39114,39115,39116,39265,39394,189000]}
\ No newline at end of file
diff --git a/node_modules/iconv-lite/encodings/tables/gbk-added.json b/node_modules/iconv-lite/encodings/tables/gbk-added.json
new file mode 100644
index 000000000..8abfa9f7b
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/tables/gbk-added.json
@@ -0,0 +1,55 @@
+[
+["a140","",62],
+["a180","",32],
+["a240","",62],
+["a280","",32],
+["a2ab","",5],
+["a2e3","€"],
+["a2ef",""],
+["a2fd",""],
+["a340","",62],
+["a380","",31,"　"],
+["a440","",62],
+["a480","",32],
+["a4f4","",10],
+["a540","",62],
+["a580","",32],
+["a5f7","",7],
+["a640","",62],
+["a680","",32],
+["a6b9","",7],
+["a6d9","",6],
+["a6ec",""],
+["a6f3",""],
+["a6f6","",8],
+["a740","",62],
+["a780","",32],
+["a7c2","",14],
+["a7f2","",12],
+["a896","",10],
+["a8bc",""],
+["a8bf","ǹ"],
+["a8c1",""],
+["a8ea","",20],
+["a958",""],
+["a95b",""],
+["a95d",""],
+["a989","〾⿰",11],
+["a997","",12],
+["a9f0","",14],
+["aaa1","",93],
+["aba1","",93],
+["aca1","",93],
+["ada1","",93],
+["aea1","",93],
+["afa1","",93],
+["d7fa","",4],
+["f8a1","",93],
+["f9a1","",93],
+["faa1","",93],
+["fba1","",93],
+["fca1","",93],
+["fda1","",93],
+["fe50","⺁⺄㑳㑇⺈⺋㖞㘚㘎⺌⺗㥮㤘㧏㧟㩳㧐㭎㱮㳠⺧⺪䁖䅟⺮䌷⺳⺶⺷䎱䎬⺻䏝䓖䙡䙌"],
+["fe80","䜣䜩䝼䞍⻊䥇䥺䥽䦂䦃䦅䦆䦟䦛䦷䦶䲣䲟䲠䲡䱷䲢䴓",6,"䶮",93]
+]
diff --git a/node_modules/iconv-lite/encodings/tables/shiftjis.json b/node_modules/iconv-lite/encodings/tables/shiftjis.json
new file mode 100644
index 000000000..5a3a43cf8
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/tables/shiftjis.json
@@ -0,0 +1,125 @@
+[
+["0","\u0000",128],
+["a1","｡",62],
+["8140","　、。，．・：；？！゛゜´｀¨＾￣＿ヽヾゝゞ〃仝々〆〇ー―‐／＼～∥｜…‥‘’“”（）〔〕［］｛｝〈",9,"＋－±×"],
+["8180","÷＝≠＜＞≦≧∞∴♂♀°′″℃￥＄￠￡％＃＆＊＠§☆★○●◎◇◆□■△▲▽▼※〒→←↑↓〓"],
+["81b8","∈∋⊆⊇⊂⊃∪∩"],
+["81c8","∧∨￢⇒⇔∀∃"],
+["81da","∠⊥⌒∂∇≡≒≪≫√∽∝∵∫∬"],
+["81f0","ʼn♯♭♪†‡¶"],
+["81fc","◯"],
+["824f","０",9],
+["8260","Ａ",25],
+["8281","ａ",25],
+["829f","ぁ",82],
+["8340","ァ",62],
+["8380","ム",22],
+["839f","Α",16,"Σ",6],
+["83bf","α",16,"σ",6],
+["8440","А",5,"ЁЖ",25],
+["8470","а",5,"ёж",7],
+["8480","о",17],
+["849f","─│┌┐┘└├┬┤┴┼━┃┏┓┛┗┣┳┫┻╋┠┯┨┷┿┝┰┥┸╂"],
+["8740","①",19,"Ⅰ",9],
+["875f","㍉㌔㌢㍍㌘㌧㌃㌶㍑㍗㌍㌦㌣㌫㍊㌻㎜㎝㎞㎎㎏㏄㎡"],
+["877e","㍻"],
+["8780","〝〟№㏍℡㊤",4,"㈱㈲㈹㍾㍽㍼≒≡∫∮∑√⊥∠∟⊿∵∩∪"],
+["889f","亜唖娃阿哀愛挨姶逢葵茜穐悪握渥旭葦芦鯵梓圧斡扱宛姐虻飴絢綾鮎或粟袷安庵按暗案闇鞍杏以伊位依偉囲夷委威尉惟意慰易椅為畏異移維緯胃萎衣謂違遺医井亥域育郁磯一壱溢逸稲茨芋鰯允印咽員因姻引飲淫胤蔭"],
+["8940","院陰隠韻吋右宇烏羽迂雨卯鵜窺丑碓臼渦嘘唄欝蔚鰻姥厩浦瓜閏噂云運雲荏餌叡営嬰影映曳栄永泳洩瑛盈穎頴英衛詠鋭液疫益駅悦謁越閲榎厭円"],
+["8980","園堰奄宴延怨掩援沿演炎焔煙燕猿縁艶苑薗遠鉛鴛塩於汚甥凹央奥往応押旺横欧殴王翁襖鴬鴎黄岡沖荻億屋憶臆桶牡乙俺卸恩温穏音下化仮何伽価佳加可嘉夏嫁家寡科暇果架歌河火珂禍禾稼箇花苛茄荷華菓蝦課嘩貨迦過霞蚊俄峨我牙画臥芽蛾賀雅餓駕介会解回塊壊廻快怪悔恢懐戒拐改"],
+["8a40","魁晦械海灰界皆絵芥蟹開階貝凱劾外咳害崖慨概涯碍蓋街該鎧骸浬馨蛙垣柿蛎鈎劃嚇各廓拡撹格核殻獲確穫覚角赫較郭閣隔革学岳楽額顎掛笠樫"],
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+["fa80","兤冝冾凬刕劜劦勀勛匀匇匤卲厓厲叝﨎咜咊咩哿喆坙坥垬埈埇﨏塚增墲夋奓奛奝奣妤妺孖寀甯寘寬尞岦岺峵崧嵓﨑嵂嵭嶸嶹巐弡弴彧德忞恝悅悊惞惕愠惲愑愷愰憘戓抦揵摠撝擎敎昀昕昻昉昮昞昤晥晗晙晴晳暙暠暲暿曺朎朗杦枻桒柀栁桄棏﨓楨﨔榘槢樰橫橆橳橾櫢櫤毖氿汜沆汯泚洄涇浯"],
+["fb40","涖涬淏淸淲淼渹湜渧渼溿澈澵濵瀅瀇瀨炅炫焏焄煜煆煇凞燁燾犱犾猤猪獷玽珉珖珣珒琇珵琦琪琩琮瑢璉璟甁畯皂皜皞皛皦益睆劯砡硎硤硺礰礼神"],
+["fb80","祥禔福禛竑竧靖竫箞精絈絜綷綠緖繒罇羡羽茁荢荿菇菶葈蒴蕓蕙蕫﨟薰蘒﨡蠇裵訒訷詹誧誾諟諸諶譓譿賰賴贒赶﨣軏﨤逸遧郞都鄕鄧釚釗釞釭釮釤釥鈆鈐鈊鈺鉀鈼鉎鉙鉑鈹鉧銧鉷鉸鋧鋗鋙鋐﨧鋕鋠鋓錥錡鋻﨨錞鋿錝錂鍰鍗鎤鏆鏞鏸鐱鑅鑈閒隆﨩隝隯霳霻靃靍靏靑靕顗顥飯飼餧館馞驎髙"],
+["fc40","髜魵魲鮏鮱鮻鰀鵰鵫鶴鸙黑"]
+]
diff --git a/node_modules/iconv-lite/encodings/utf16.js b/node_modules/iconv-lite/encodings/utf16.js
new file mode 100644
index 000000000..54765aeee
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/utf16.js
@@ -0,0 +1,177 @@
+"use strict";
+var Buffer = require("safer-buffer").Buffer;
+
+// Note: UTF16-LE (or UCS2) codec is Node.js native. See encodings/internal.js
+
+// == UTF16-BE codec. ==========================================================
+
+exports.utf16be = Utf16BECodec;
+function Utf16BECodec() {
+}
+
+Utf16BECodec.prototype.encoder = Utf16BEEncoder;
+Utf16BECodec.prototype.decoder = Utf16BEDecoder;
+Utf16BECodec.prototype.bomAware = true;
+
+
+// -- Encoding
+
+function Utf16BEEncoder() {
+}
+
+Utf16BEEncoder.prototype.write = function(str) {
+    var buf = Buffer.from(str, 'ucs2');
+    for (var i = 0; i < buf.length; i += 2) {
+        var tmp = buf[i]; buf[i] = buf[i+1]; buf[i+1] = tmp;
+    }
+    return buf;
+}
+
+Utf16BEEncoder.prototype.end = function() {
+}
+
+
+// -- Decoding
+
+function Utf16BEDecoder() {
+    this.overflowByte = -1;
+}
+
+Utf16BEDecoder.prototype.write = function(buf) {
+    if (buf.length == 0)
+        return '';
+
+    var buf2 = Buffer.alloc(buf.length + 1),
+        i = 0, j = 0;
+
+    if (this.overflowByte !== -1) {
+        buf2[0] = buf[0];
+        buf2[1] = this.overflowByte;
+        i = 1; j = 2;
+    }
+
+    for (; i < buf.length-1; i += 2, j+= 2) {
+        buf2[j] = buf[i+1];
+        buf2[j+1] = buf[i];
+    }
+
+    this.overflowByte = (i == buf.length-1) ? buf[buf.length-1] : -1;
+
+    return buf2.slice(0, j).toString('ucs2');
+}
+
+Utf16BEDecoder.prototype.end = function() {
+}
+
+
+// == UTF-16 codec =============================================================
+// Decoder chooses automatically from UTF-16LE and UTF-16BE using BOM and space-based heuristic.
+// Defaults to UTF-16LE, as it's prevalent and default in Node.
+// http://en.wikipedia.org/wiki/UTF-16 and http://encoding.spec.whatwg.org/#utf-16le
+// Decoder default can be changed: iconv.decode(buf, 'utf16', {defaultEncoding: 'utf-16be'});
+
+// Encoder uses UTF-16LE and prepends BOM (which can be overridden with addBOM: false).
+
+exports.utf16 = Utf16Codec;
+function Utf16Codec(codecOptions, iconv) {
+    this.iconv = iconv;
+}
+
+Utf16Codec.prototype.encoder = Utf16Encoder;
+Utf16Codec.prototype.decoder = Utf16Decoder;
+
+
+// -- Encoding (pass-through)
+
+function Utf16Encoder(options, codec) {
+    options = options || {};
+    if (options.addBOM === undefined)
+        options.addBOM = true;
+    this.encoder = codec.iconv.getEncoder('utf-16le', options);
+}
+
+Utf16Encoder.prototype.write = function(str) {
+    return this.encoder.write(str);
+}
+
+Utf16Encoder.prototype.end = function() {
+    return this.encoder.end();
+}
+
+
+// -- Decoding
+
+function Utf16Decoder(options, codec) {
+    this.decoder = null;
+    this.initialBytes = [];
+    this.initialBytesLen = 0;
+
+    this.options = options || {};
+    this.iconv = codec.iconv;
+}
+
+Utf16Decoder.prototype.write = function(buf) {
+    if (!this.decoder) {
+        // Codec is not chosen yet. Accumulate initial bytes.
+        this.initialBytes.push(buf);
+        this.initialBytesLen += buf.length;
+        
+        if (this.initialBytesLen < 16) // We need more bytes to use space heuristic (see below)
+            return '';
+
+        // We have enough bytes -> detect endianness.
+        var buf = Buffer.concat(this.initialBytes),
+            encoding = detectEncoding(buf, this.options.defaultEncoding);
+        this.decoder = this.iconv.getDecoder(encoding, this.options);
+        this.initialBytes.length = this.initialBytesLen = 0;
+    }
+
+    return this.decoder.write(buf);
+}
+
+Utf16Decoder.prototype.end = function() {
+    if (!this.decoder) {
+        var buf = Buffer.concat(this.initialBytes),
+            encoding = detectEncoding(buf, this.options.defaultEncoding);
+        this.decoder = this.iconv.getDecoder(encoding, this.options);
+
+        var res = this.decoder.write(buf),
+            trail = this.decoder.end();
+
+        return trail ? (res + trail) : res;
+    }
+    return this.decoder.end();
+}
+
+function detectEncoding(buf, defaultEncoding) {
+    var enc = defaultEncoding || 'utf-16le';
+
+    if (buf.length >= 2) {
+        // Check BOM.
+        if (buf[0] == 0xFE && buf[1] == 0xFF) // UTF-16BE BOM
+            enc = 'utf-16be';
+        else if (buf[0] == 0xFF && buf[1] == 0xFE) // UTF-16LE BOM
+            enc = 'utf-16le';
+        else {
+            // No BOM found. Try to deduce encoding from initial content.
+            // Most of the time, the content has ASCII chars (U+00**), but the opposite (U+**00) is uncommon.
+            // So, we count ASCII as if it was LE or BE, and decide from that.
+            var asciiCharsLE = 0, asciiCharsBE = 0, // Counts of chars in both positions
+                _len = Math.min(buf.length - (buf.length % 2), 64); // Len is always even.
+
+            for (var i = 0; i < _len; i += 2) {
+                if (buf[i] === 0 && buf[i+1] !== 0) asciiCharsBE++;
+                if (buf[i] !== 0 && buf[i+1] === 0) asciiCharsLE++;
+            }
+
+            if (asciiCharsBE > asciiCharsLE)
+                enc = 'utf-16be';
+            else if (asciiCharsBE < asciiCharsLE)
+                enc = 'utf-16le';
+        }
+    }
+
+    return enc;
+}
+
+
diff --git a/node_modules/iconv-lite/encodings/utf7.js b/node_modules/iconv-lite/encodings/utf7.js
new file mode 100644
index 000000000..b7631c23a
--- /dev/null
+++ b/node_modules/iconv-lite/encodings/utf7.js
@@ -0,0 +1,290 @@
+"use strict";
+var Buffer = require("safer-buffer").Buffer;
+
+// UTF-7 codec, according to https://tools.ietf.org/html/rfc2152
+// See also below a UTF-7-IMAP codec, according to http://tools.ietf.org/html/rfc3501#section-5.1.3
+
+exports.utf7 = Utf7Codec;
+exports.unicode11utf7 = 'utf7'; // Alias UNICODE-1-1-UTF-7
+function Utf7Codec(codecOptions, iconv) {
+    this.iconv = iconv;
+};
+
+Utf7Codec.prototype.encoder = Utf7Encoder;
+Utf7Codec.prototype.decoder = Utf7Decoder;
+Utf7Codec.prototype.bomAware = true;
+
+
+// -- Encoding
+
+var nonDirectChars = /[^A-Za-z0-9'\(\),-\.\/:\? \n\r\t]+/g;
+
+function Utf7Encoder(options, codec) {
+    this.iconv = codec.iconv;
+}
+
+Utf7Encoder.prototype.write = function(str) {
+    // Naive implementation.
+    // Non-direct chars are encoded as "+<base64>-"; single "+" char is encoded as "+-".
+    return Buffer.from(str.replace(nonDirectChars, function(chunk) {
+        return "+" + (chunk === '+' ? '' : 
+            this.iconv.encode(chunk, 'utf16-be').toString('base64').replace(/=+$/, '')) 
+            + "-";
+    }.bind(this)));
+}
+
+Utf7Encoder.prototype.end = function() {
+}
+
+
+// -- Decoding
+
+function Utf7Decoder(options, codec) {
+    this.iconv = codec.iconv;
+    this.inBase64 = false;
+    this.base64Accum = '';
+}
+
+var base64Regex = /[A-Za-z0-9\/+]/;
+var base64Chars = [];
+for (var i = 0; i < 256; i++)
+    base64Chars[i] = base64Regex.test(String.fromCharCode(i));
+
+var plusChar = '+'.charCodeAt(0), 
+    minusChar = '-'.charCodeAt(0),
+    andChar = '&'.charCodeAt(0);
+
+Utf7Decoder.prototype.write = function(buf) {
+    var res = "", lastI = 0,
+        inBase64 = this.inBase64,
+        base64Accum = this.base64Accum;
+
+    // The decoder is more involved as we must handle chunks in stream.
+
+    for (var i = 0; i < buf.length; i++) {
+        if (!inBase64) { // We're in direct mode.
+            // Write direct chars until '+'
+            if (buf[i] == plusChar) {
+                res += this.iconv.decode(buf.slice(lastI, i), "ascii"); // Write direct chars.
+                lastI = i+1;
+                inBase64 = true;
+            }
+        } else { // We decode base64.
+            if (!base64Chars[buf[i]]) { // Base64 ended.
+                if (i == lastI && buf[i] == minusChar) {// "+-" -> "+"
+                    res += "+";
+                } else {
+                    var b64str = base64Accum + buf.slice(lastI, i).toString();
+                    res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be");
+                }
+
+                if (buf[i] != minusChar) // Minus is absorbed after base64.
+                    i--;
+
+                lastI = i+1;
+                inBase64 = false;
+                base64Accum = '';
+            }
+        }
+    }
+
+    if (!inBase64) {
+        res += this.iconv.decode(buf.slice(lastI), "ascii"); // Write direct chars.
+    } else {
+        var b64str = base64Accum + buf.slice(lastI).toString();
+
+        var canBeDecoded = b64str.length - (b64str.length % 8); // Minimal chunk: 2 quads -> 2x3 bytes -> 3 chars.
+        base64Accum = b64str.slice(canBeDecoded); // The rest will be decoded in future.
+        b64str = b64str.slice(0, canBeDecoded);
+
+        res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be");
+    }
+
+    this.inBase64 = inBase64;
+    this.base64Accum = base64Accum;
+
+    return res;
+}
+
+Utf7Decoder.prototype.end = function() {
+    var res = "";
+    if (this.inBase64 && this.base64Accum.length > 0)
+        res = this.iconv.decode(Buffer.from(this.base64Accum, 'base64'), "utf16-be");
+
+    this.inBase64 = false;
+    this.base64Accum = '';
+    return res;
+}
+
+
+// UTF-7-IMAP codec.
+// RFC3501 Sec. 5.1.3 Modified UTF-7 (http://tools.ietf.org/html/rfc3501#section-5.1.3)
+// Differences:
+//  * Base64 part is started by "&" instead of "+"
+//  * Direct characters are 0x20-0x7E, except "&" (0x26)
+//  * In Base64, "," is used instead of "/"
+//  * Base64 must not be used to represent direct characters.
+//  * No implicit shift back from Base64 (should always end with '-')
+//  * String must end in non-shifted position.
+//  * "-&" while in base64 is not allowed.
+
+
+exports.utf7imap = Utf7IMAPCodec;
+function Utf7IMAPCodec(codecOptions, iconv) {
+    this.iconv = iconv;
+};
+
+Utf7IMAPCodec.prototype.encoder = Utf7IMAPEncoder;
+Utf7IMAPCodec.prototype.decoder = Utf7IMAPDecoder;
+Utf7IMAPCodec.prototype.bomAware = true;
+
+
+// -- Encoding
+
+function Utf7IMAPEncoder(options, codec) {
+    this.iconv = codec.iconv;
+    this.inBase64 = false;
+    this.base64Accum = Buffer.alloc(6);
+    this.base64AccumIdx = 0;
+}
+
+Utf7IMAPEncoder.prototype.write = function(str) {
+    var inBase64 = this.inBase64,
+        base64Accum = this.base64Accum,
+        base64AccumIdx = this.base64AccumIdx,
+        buf = Buffer.alloc(str.length*5 + 10), bufIdx = 0;
+
+    for (var i = 0; i < str.length; i++) {
+        var uChar = str.charCodeAt(i);
+        if (0x20 <= uChar && uChar <= 0x7E) { // Direct character or '&'.
+            if (inBase64) {
+                if (base64AccumIdx > 0) {
+                    bufIdx += buf.write(base64Accum.slice(0, base64AccumIdx).toString('base64').replace(/\//g, ',').replace(/=+$/, ''), bufIdx);
+                    base64AccumIdx = 0;
+                }
+
+                buf[bufIdx++] = minusChar; // Write '-', then go to direct mode.
+                inBase64 = false;
+            }
+
+            if (!inBase64) {
+                buf[bufIdx++] = uChar; // Write direct character
+
+                if (uChar === andChar)  // Ampersand -> '&-'
+                    buf[bufIdx++] = minusChar;
+            }
+
+        } else { // Non-direct character
+            if (!inBase64) {
+                buf[bufIdx++] = andChar; // Write '&', then go to base64 mode.
+                inBase64 = true;
+            }
+            if (inBase64) {
+                base64Accum[base64AccumIdx++] = uChar >> 8;
+                base64Accum[base64AccumIdx++] = uChar & 0xFF;
+
+                if (base64AccumIdx == base64Accum.length) {
+                    bufIdx += buf.write(base64Accum.toString('base64').replace(/\//g, ','), bufIdx);
+                    base64AccumIdx = 0;
+                }
+            }
+        }
+    }
+
+    this.inBase64 = inBase64;
+    this.base64AccumIdx = base64AccumIdx;
+
+    return buf.slice(0, bufIdx);
+}
+
+Utf7IMAPEncoder.prototype.end = function() {
+    var buf = Buffer.alloc(10), bufIdx = 0;
+    if (this.inBase64) {
+        if (this.base64AccumIdx > 0) {
+            bufIdx += buf.write(this.base64Accum.slice(0, this.base64AccumIdx).toString('base64').replace(/\//g, ',').replace(/=+$/, ''), bufIdx);
+            this.base64AccumIdx = 0;
+        }
+
+        buf[bufIdx++] = minusChar; // Write '-', then go to direct mode.
+        this.inBase64 = false;
+    }
+
+    return buf.slice(0, bufIdx);
+}
+
+
+// -- Decoding
+
+function Utf7IMAPDecoder(options, codec) {
+    this.iconv = codec.iconv;
+    this.inBase64 = false;
+    this.base64Accum = '';
+}
+
+var base64IMAPChars = base64Chars.slice();
+base64IMAPChars[','.charCodeAt(0)] = true;
+
+Utf7IMAPDecoder.prototype.write = function(buf) {
+    var res = "", lastI = 0,
+        inBase64 = this.inBase64,
+        base64Accum = this.base64Accum;
+
+    // The decoder is more involved as we must handle chunks in stream.
+    // It is forgiving, closer to standard UTF-7 (for example, '-' is optional at the end).
+
+    for (var i = 0; i < buf.length; i++) {
+        if (!inBase64) { // We're in direct mode.
+            // Write direct chars until '&'
+            if (buf[i] == andChar) {
+                res += this.iconv.decode(buf.slice(lastI, i), "ascii"); // Write direct chars.
+                lastI = i+1;
+                inBase64 = true;
+            }
+        } else { // We decode base64.
+            if (!base64IMAPChars[buf[i]]) { // Base64 ended.
+                if (i == lastI && buf[i] == minusChar) { // "&-" -> "&"
+                    res += "&";
+                } else {
+                    var b64str = base64Accum + buf.slice(lastI, i).toString().replace(/,/g, '/');
+                    res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be");
+                }
+
+                if (buf[i] != minusChar) // Minus may be absorbed after base64.
+                    i--;
+
+                lastI = i+1;
+                inBase64 = false;
+                base64Accum = '';
+            }
+        }
+    }
+
+    if (!inBase64) {
+        res += this.iconv.decode(buf.slice(lastI), "ascii"); // Write direct chars.
+    } else {
+        var b64str = base64Accum + buf.slice(lastI).toString().replace(/,/g, '/');
+
+        var canBeDecoded = b64str.length - (b64str.length % 8); // Minimal chunk: 2 quads -> 2x3 bytes -> 3 chars.
+        base64Accum = b64str.slice(canBeDecoded); // The rest will be decoded in future.
+        b64str = b64str.slice(0, canBeDecoded);
+
+        res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be");
+    }
+
+    this.inBase64 = inBase64;
+    this.base64Accum = base64Accum;
+
+    return res;
+}
+
+Utf7IMAPDecoder.prototype.end = function() {
+    var res = "";
+    if (this.inBase64 && this.base64Accum.length > 0)
+        res = this.iconv.decode(Buffer.from(this.base64Accum, 'base64'), "utf16-be");
+
+    this.inBase64 = false;
+    this.base64Accum = '';
+    return res;
+}
+
+
diff --git a/node_modules/iconv-lite/lib/bom-handling.js b/node_modules/iconv-lite/lib/bom-handling.js
new file mode 100644
index 000000000..105087238
--- /dev/null
+++ b/node_modules/iconv-lite/lib/bom-handling.js
@@ -0,0 +1,52 @@
+"use strict";
+
+var BOMChar = '\uFEFF';
+
+exports.PrependBOM = PrependBOMWrapper
+function PrependBOMWrapper(encoder, options) {
+    this.encoder = encoder;
+    this.addBOM = true;
+}
+
+PrependBOMWrapper.prototype.write = function(str) {
+    if (this.addBOM) {
+        str = BOMChar + str;
+        this.addBOM = false;
+    }
+
+    return this.encoder.write(str);
+}
+
+PrependBOMWrapper.prototype.end = function() {
+    return this.encoder.end();
+}
+
+
+//------------------------------------------------------------------------------
+
+exports.StripBOM = StripBOMWrapper;
+function StripBOMWrapper(decoder, options) {
+    this.decoder = decoder;
+    this.pass = false;
+    this.options = options || {};
+}
+
+StripBOMWrapper.prototype.write = function(buf) {
+    var res = this.decoder.write(buf);
+    if (this.pass || !res)
+        return res;
+
+    if (res[0] === BOMChar) {
+        res = res.slice(1);
+        if (typeof this.options.stripBOM === 'function')
+            this.options.stripBOM();
+    }
+
+    this.pass = true;
+    return res;
+}
+
+StripBOMWrapper.prototype.end = function() {
+    return this.decoder.end();
+}
+
diff --git a/node_modules/iconv-lite/lib/extend-node.js b/node_modules/iconv-lite/lib/extend-node.js
new file mode 100644
index 000000000..87f5394a4
--- /dev/null
+++ b/node_modules/iconv-lite/lib/extend-node.js
@@ -0,0 +1,217 @@
+"use strict";
+var Buffer = require("buffer").Buffer;
+// Note: not polyfilled with safer-buffer on a purpose, as overrides Buffer
+
+// == Extend Node primitives to use iconv-lite =================================
+
+module.exports = function (iconv) {
+    var original = undefined; // Place to keep original methods.
+
+    // Node authors rewrote Buffer internals to make it compatible with
+    // Uint8Array and we cannot patch key functions since then.
+    // Note: this does use older Buffer API on a purpose
+    iconv.supportsNodeEncodingsExtension = !(Buffer.from || new Buffer(0) instanceof Uint8Array);
+
+    iconv.extendNodeEncodings = function extendNodeEncodings() {
+        if (original) return;
+        original = {};
+
+        if (!iconv.supportsNodeEncodingsExtension) {
+            console.error("ACTION NEEDED: require('iconv-lite').extendNodeEncodings() is not supported in your version of Node");
+            console.error("See more info at https://github.com/ashtuchkin/iconv-lite/wiki/Node-v4-compatibility");
+            return;
+        }
+
+        var nodeNativeEncodings = {
+            'hex': true, 'utf8': true, 'utf-8': true, 'ascii': true, 'binary': true, 
+            'base64': true, 'ucs2': true, 'ucs-2': true, 'utf16le': true, 'utf-16le': true,
+        };
+
+        Buffer.isNativeEncoding = function(enc) {
+            return enc && nodeNativeEncodings[enc.toLowerCase()];
+        }
+
+        // -- SlowBuffer -----------------------------------------------------------
+        var SlowBuffer = require('buffer').SlowBuffer;
+
+        original.SlowBufferToString = SlowBuffer.prototype.toString;
+        SlowBuffer.prototype.toString = function(encoding, start, end) {
+            encoding = String(encoding || 'utf8').toLowerCase();
+
+            // Use native conversion when possible
+            if (Buffer.isNativeEncoding(encoding))
+                return original.SlowBufferToString.call(this, encoding, start, end);
+
+            // Otherwise, use our decoding method.
+            if (typeof start == 'undefined') start = 0;
+            if (typeof end == 'undefined') end = this.length;
+            return iconv.decode(this.slice(start, end), encoding);
+        }
+
+        original.SlowBufferWrite = SlowBuffer.prototype.write;
+        SlowBuffer.prototype.write = function(string, offset, length, encoding) {
+            // Support both (string, offset, length, encoding)
+            // and the legacy (string, encoding, offset, length)
+            if (isFinite(offset)) {
+                if (!isFinite(length)) {
+                    encoding = length;
+                    length = undefined;
+                }
+            } else {  // legacy
+                var swap = encoding;
+                encoding = offset;
+                offset = length;
+                length = swap;
+            }
+
+            offset = +offset || 0;
+            var remaining = this.length - offset;
+            if (!length) {
+                length = remaining;
+            } else {
+                length = +length;
+                if (length > remaining) {
+                    length = remaining;
+                }
+            }
+            encoding = String(encoding || 'utf8').toLowerCase();
+
+            // Use native conversion when possible
+            if (Buffer.isNativeEncoding(encoding))
+                return original.SlowBufferWrite.call(this, string, offset, length, encoding);
+
+            if (string.length > 0 && (length < 0 || offset < 0))
+                throw new RangeError('attempt to write beyond buffer bounds');
+
+            // Otherwise, use our encoding method.
+            var buf = iconv.encode(string, encoding);
+            if (buf.length < length) length = buf.length;
+            buf.copy(this, offset, 0, length);
+            return length;
+        }
+
+        // -- Buffer ---------------------------------------------------------------
+
+        original.BufferIsEncoding = Buffer.isEncoding;
+        Buffer.isEncoding = function(encoding) {
+            return Buffer.isNativeEncoding(encoding) || iconv.encodingExists(encoding);
+        }
+
+        original.BufferByteLength = Buffer.byteLength;
+        Buffer.byteLength = SlowBuffer.byteLength = function(str, encoding) {
+            encoding = String(encoding || 'utf8').toLowerCase();
+
+            // Use native conversion when possible
+            if (Buffer.isNativeEncoding(encoding))
+                return original.BufferByteLength.call(this, str, encoding);
+
+            // Slow, I know, but we don't have a better way yet.
+            return iconv.encode(str, encoding).length;
+        }
+
+        original.BufferToString = Buffer.prototype.toString;
+        Buffer.prototype.toString = function(encoding, start, end) {
+            encoding = String(encoding || 'utf8').toLowerCase();
+
+            // Use native conversion when possible
+            if (Buffer.isNativeEncoding(encoding))
+                return original.BufferToString.call(this, encoding, start, end);
+
+            // Otherwise, use our decoding method.
+            if (typeof start == 'undefined') start = 0;
+            if (typeof end == 'undefined') end = this.length;
+            return iconv.decode(this.slice(start, end), encoding);
+        }
+
+        original.BufferWrite = Buffer.prototype.write;
+        Buffer.prototype.write = function(string, offset, length, encoding) {
+            var _offset = offset, _length = length, _encoding = encoding;
+            // Support both (string, offset, length, encoding)
+            // and the legacy (string, encoding, offset, length)
+            if (isFinite(offset)) {
+                if (!isFinite(length)) {
+                    encoding = length;
+                    length = undefined;
+                }
+            } else {  // legacy
+                var swap = encoding;
+                encoding = offset;
+                offset = length;
+                length = swap;
+            }
+
+            encoding = String(encoding || 'utf8').toLowerCase();
+
+            // Use native conversion when possible
+            if (Buffer.isNativeEncoding(encoding))
+                return original.BufferWrite.call(this, string, _offset, _length, _encoding);
+
+            offset = +offset || 0;
+            var remaining = this.length - offset;
+            if (!length) {
+                length = remaining;
+            } else {
+                length = +length;
+                if (length > remaining) {
+                    length = remaining;
+                }
+            }
+
+            if (string.length > 0 && (length < 0 || offset < 0))
+                throw new RangeError('attempt to write beyond buffer bounds');
+
+            // Otherwise, use our encoding method.
+            var buf = iconv.encode(string, encoding);
+            if (buf.length < length) length = buf.length;
+            buf.copy(this, offset, 0, length);
+            return length;
+
+            // TODO: Set _charsWritten.
+        }
+
+
+        // -- Readable -------------------------------------------------------------
+        if (iconv.supportsStreams) {
+            var Readable = require('stream').Readable;
+
+            original.ReadableSetEncoding = Readable.prototype.setEncoding;
+            Readable.prototype.setEncoding = function setEncoding(enc, options) {
+                // Use our own decoder, it has the same interface.
+                // We cannot use original function as it doesn't handle BOM-s.
+                this._readableState.decoder = iconv.getDecoder(enc, options);
+                this._readableState.encoding = enc;
+            }
+
+            Readable.prototype.collect = iconv._collect;
+        }
+    }
+
+    // Remove iconv-lite Node primitive extensions.
+    iconv.undoExtendNodeEncodings = function undoExtendNodeEncodings() {
+        if (!iconv.supportsNodeEncodingsExtension)
+            return;
+        if (!original)
+            throw new Error("require('iconv-lite').undoExtendNodeEncodings(): Nothing to undo; extendNodeEncodings() is not called.")
+
+        delete Buffer.isNativeEncoding;
+
+        var SlowBuffer = require('buffer').SlowBuffer;
+
+        SlowBuffer.prototype.toString = original.SlowBufferToString;
+        SlowBuffer.prototype.write = original.SlowBufferWrite;
+
+        Buffer.isEncoding = original.BufferIsEncoding;
+        Buffer.byteLength = original.BufferByteLength;
+        Buffer.prototype.toString = original.BufferToString;
+        Buffer.prototype.write = original.BufferWrite;
+
+        if (iconv.supportsStreams) {
+            var Readable = require('stream').Readable;
+
+            Readable.prototype.setEncoding = original.ReadableSetEncoding;
+            delete Readable.prototype.collect;
+        }
+
+        original = undefined;
+    }
+}
diff --git a/node_modules/iconv-lite/lib/index.d.ts b/node_modules/iconv-lite/lib/index.d.ts
new file mode 100644
index 000000000..0547eb346
--- /dev/null
+++ b/node_modules/iconv-lite/lib/index.d.ts
@@ -0,0 +1,24 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License.
+ *  REQUIREMENT: This definition is dependent on the @types/node definition.
+ *  Install with `npm install @types/node --save-dev`
+ *--------------------------------------------------------------------------------------------*/
+
+declare module 'iconv-lite' {
+	export function decode(buffer: Buffer, encoding: string, options?: Options): string;
+
+	export function encode(content: string, encoding: string, options?: Options): Buffer;
+
+	export function encodingExists(encoding: string): boolean;
+
+	export function decodeStream(encoding: string, options?: Options): NodeJS.ReadWriteStream;
+
+	export function encodeStream(encoding: string, options?: Options): NodeJS.ReadWriteStream;
+}
+
+export interface Options {
+    stripBOM?: boolean;
+    addBOM?: boolean;
+    defaultEncoding?: string;
+}
diff --git a/node_modules/iconv-lite/lib/index.js b/node_modules/iconv-lite/lib/index.js
new file mode 100644
index 000000000..5391919ca
--- /dev/null
+++ b/node_modules/iconv-lite/lib/index.js
@@ -0,0 +1,153 @@
+"use strict";
+
+// Some environments don't have global Buffer (e.g. React Native).
+// Solution would be installing npm modules "buffer" and "stream" explicitly.
+var Buffer = require("safer-buffer").Buffer;
+
+var bomHandling = require("./bom-handling"),
+    iconv = module.exports;
+
+// All codecs and aliases are kept here, keyed by encoding name/alias.
+// They are lazy loaded in `iconv.getCodec` from `encodings/index.js`.
+iconv.encodings = null;
+
+// Characters emitted in case of error.
+iconv.defaultCharUnicode = '�';
+iconv.defaultCharSingleByte = '?';
+
+// Public API.
+iconv.encode = function encode(str, encoding, options) {
+    str = "" + (str || ""); // Ensure string.
+
+    var encoder = iconv.getEncoder(encoding, options);
+
+    var res = encoder.write(str);
+    var trail = encoder.end();
+    
+    return (trail && trail.length > 0) ? Buffer.concat([res, trail]) : res;
+}
+
+iconv.decode = function decode(buf, encoding, options) {
+    if (typeof buf === 'string') {
+        if (!iconv.skipDecodeWarning) {
+            console.error('Iconv-lite warning: decode()-ing strings is deprecated. Refer to https://github.com/ashtuchkin/iconv-lite/wiki/Use-Buffers-when-decoding');
+            iconv.skipDecodeWarning = true;
+        }
+
+        buf = Buffer.from("" + (buf || ""), "binary"); // Ensure buffer.
+    }
+
+    var decoder = iconv.getDecoder(encoding, options);
+
+    var res = decoder.write(buf);
+    var trail = decoder.end();
+
+    return trail ? (res + trail) : res;
+}
+
+iconv.encodingExists = function encodingExists(enc) {
+    try {
+        iconv.getCodec(enc);
+        return true;
+    } catch (e) {
+        return false;
+    }
+}
+
+// Legacy aliases to convert functions
+iconv.toEncoding = iconv.encode;
+iconv.fromEncoding = iconv.decode;
+
+// Search for a codec in iconv.encodings. Cache codec data in iconv._codecDataCache.
+iconv._codecDataCache = {};
+iconv.getCodec = function getCodec(encoding) {
+    if (!iconv.encodings)
+        iconv.encodings = require("../encodings"); // Lazy load all encoding definitions.
+    
+    // Canonicalize encoding name: strip all non-alphanumeric chars and appended year.
+    var enc = iconv._canonicalizeEncoding(encoding);
+
+    // Traverse iconv.encodings to find actual codec.
+    var codecOptions = {};
+    while (true) {
+        var codec = iconv._codecDataCache[enc];
+        if (codec)
+            return codec;
+
+        var codecDef = iconv.encodings[enc];
+
+        switch (typeof codecDef) {
+            case "string": // Direct alias to other encoding.
+                enc = codecDef;
+                break;
+
+            case "object": // Alias with options. Can be layered.
+                for (var key in codecDef)
+                    codecOptions[key] = codecDef[key];
+
+                if (!codecOptions.encodingName)
+                    codecOptions.encodingName = enc;
+                
+                enc = codecDef.type;
+                break;
+
+            case "function": // Codec itself.
+                if (!codecOptions.encodingName)
+                    codecOptions.encodingName = enc;
+
+                // The codec function must load all tables and return object with .encoder and .decoder methods.
+                // It'll be called only once (for each different options object).
+                codec = new codecDef(codecOptions, iconv);
+
+                iconv._codecDataCache[codecOptions.encodingName] = codec; // Save it to be reused later.
+                return codec;
+
+            default:
+                throw new Error("Encoding not recognized: '" + encoding + "' (searched as: '"+enc+"')");
+        }
+    }
+}
+
+iconv._canonicalizeEncoding = function(encoding) {
+    // Canonicalize encoding name: strip all non-alphanumeric chars and appended year.
+    return (''+encoding).toLowerCase().replace(/:\d{4}$|[^0-9a-z]/g, "");
+}
+
+iconv.getEncoder = function getEncoder(encoding, options) {
+    var codec = iconv.getCodec(encoding),
+        encoder = new codec.encoder(options, codec);
+
+    if (codec.bomAware && options && options.addBOM)
+        encoder = new bomHandling.PrependBOM(encoder, options);
+
+    return encoder;
+}
+
+iconv.getDecoder = function getDecoder(encoding, options) {
+    var codec = iconv.getCodec(encoding),
+        decoder = new codec.decoder(options, codec);
+
+    if (codec.bomAware && !(options && options.stripBOM === false))
+        decoder = new bomHandling.StripBOM(decoder, options);
+
+    return decoder;
+}
+
+
+// Load extensions in Node. All of them are omitted in Browserify build via 'browser' field in package.json.
+var nodeVer = typeof process !== 'undefined' && process.versions && process.versions.node;
+if (nodeVer) {
+
+    // Load streaming support in Node v0.10+
+    var nodeVerArr = nodeVer.split(".").map(Number);
+    if (nodeVerArr[0] > 0 || nodeVerArr[1] >= 10) {
+        require("./streams")(iconv);
+    }
+
+    // Load Node primitive extensions.
+    require("./extend-node")(iconv);
+}
+
+if ("Ā" != "\u0100") {
+    console.error("iconv-lite warning: javascript files use encoding different from utf-8. See https://github.com/ashtuchkin/iconv-lite/wiki/Javascript-source-file-encodings for more info.");
+}
diff --git a/node_modules/iconv-lite/lib/streams.js b/node_modules/iconv-lite/lib/streams.js
new file mode 100644
index 000000000..440955295
--- /dev/null
+++ b/node_modules/iconv-lite/lib/streams.js
@@ -0,0 +1,121 @@
+"use strict";
+
+var Buffer = require("buffer").Buffer,
+    Transform = require("stream").Transform;
+
+
+// == Exports ==================================================================
+module.exports = function(iconv) {
+    
+    // Additional Public API.
+    iconv.encodeStream = function encodeStream(encoding, options) {
+        return new IconvLiteEncoderStream(iconv.getEncoder(encoding, options), options);
+    }
+
+    iconv.decodeStream = function decodeStream(encoding, options) {
+        return new IconvLiteDecoderStream(iconv.getDecoder(encoding, options), options);
+    }
+
+    iconv.supportsStreams = true;
+
+
+    // Not published yet.
+    iconv.IconvLiteEncoderStream = IconvLiteEncoderStream;
+    iconv.IconvLiteDecoderStream = IconvLiteDecoderStream;
+    iconv._collect = IconvLiteDecoderStream.prototype.collect;
+};
+
+
+// == Encoder stream =======================================================
+function IconvLiteEncoderStream(conv, options) {
+    this.conv = conv;
+    options = options || {};
+    options.decodeStrings = false; // We accept only strings, so we don't need to decode them.
+    Transform.call(this, options);
+}
+
+IconvLiteEncoderStream.prototype = Object.create(Transform.prototype, {
+    constructor: { value: IconvLiteEncoderStream }
+});
+
+IconvLiteEncoderStream.prototype._transform = function(chunk, encoding, done) {
+    if (typeof chunk != 'string')
+        return done(new Error("Iconv encoding stream needs strings as its input."));
+    try {
+        var res = this.conv.write(chunk);
+        if (res && res.length) this.push(res);
+        done();
+    }
+    catch (e) {
+        done(e);
+    }
+}
+
+IconvLiteEncoderStream.prototype._flush = function(done) {
+    try {
+        var res = this.conv.end();
+        if (res && res.length) this.push(res);
+        done();
+    }
+    catch (e) {
+        done(e);
+    }
+}
+
+IconvLiteEncoderStream.prototype.collect = function(cb) {
+    var chunks = [];
+    this.on('error', cb);
+    this.on('data', function(chunk) { chunks.push(chunk); });
+    this.on('end', function() {
+        cb(null, Buffer.concat(chunks));
+    });
+    return this;
+}
+
+
+// == Decoder stream =======================================================
+function IconvLiteDecoderStream(conv, options) {
+    this.conv = conv;
+    options = options || {};
+    options.encoding = this.encoding = 'utf8'; // We output strings.
+    Transform.call(this, options);
+}
+
+IconvLiteDecoderStream.prototype = Object.create(Transform.prototype, {
+    constructor: { value: IconvLiteDecoderStream }
+});
+
+IconvLiteDecoderStream.prototype._transform = function(chunk, encoding, done) {
+    if (!Buffer.isBuffer(chunk))
+        return done(new Error("Iconv decoding stream needs buffers as its input."));
+    try {
+        var res = this.conv.write(chunk);
+        if (res && res.length) this.push(res, this.encoding);
+        done();
+    }
+    catch (e) {
+        done(e);
+    }
+}
+
+IconvLiteDecoderStream.prototype._flush = function(done) {
+    try {
+        var res = this.conv.end();
+        if (res && res.length) this.push(res, this.encoding);                
+        done();
+    }
+    catch (e) {
+        done(e);
+    }
+}
+
+IconvLiteDecoderStream.prototype.collect = function(cb) {
+    var res = '';
+    this.on('error', cb);
+    this.on('data', function(chunk) { res += chunk; });
+    this.on('end', function() {
+        cb(null, res);
+    });
+    return this;
+}
+
diff --git a/node_modules/iconv-lite/package.json b/node_modules/iconv-lite/package.json
new file mode 100644
index 000000000..a7c74fcc2
--- /dev/null
+++ b/node_modules/iconv-lite/package.json
@@ -0,0 +1,46 @@
+{
+    "name": "iconv-lite",
+    "description": "Convert character encodings in pure javascript.",
+    "version": "0.4.24",
+    "license": "MIT",
+    "keywords": [
+        "iconv",
+        "convert",
+        "charset",
+        "icu"
+    ],
+    "author": "Alexander Shtuchkin <ashtuchkin@gmail.com>",
+    "main": "./lib/index.js",
+    "typings": "./lib/index.d.ts",
+    "homepage": "https://github.com/ashtuchkin/iconv-lite",
+    "bugs": "https://github.com/ashtuchkin/iconv-lite/issues",
+    "repository": {
+        "type": "git",
+        "url": "git://github.com/ashtuchkin/iconv-lite.git"
+    },
+    "engines": {
+        "node": ">=0.10.0"
+    },
+    "scripts": {
+        "coverage": "istanbul cover _mocha -- --grep .",
+        "coverage-open": "open coverage/lcov-report/index.html",
+        "test": "mocha --reporter spec --grep ."
+    },
+    "browser": {
+        "./lib/extend-node": false,
+        "./lib/streams": false
+    },
+    "devDependencies": {
+        "mocha": "^3.1.0",
+        "request": "~2.87.0",
+        "unorm": "*",
+        "errto": "*",
+        "async": "*",
+        "istanbul": "*",
+        "semver": "*",
+        "iconv": "*"
+    },
+    "dependencies": {
+        "safer-buffer": ">= 2.1.2 < 3"
+    }
+}
diff --git a/node_modules/ieee754/LICENSE b/node_modules/ieee754/LICENSE
new file mode 100644
index 000000000..5aac82c78
--- /dev/null
+++ b/node_modules/ieee754/LICENSE
@@ -0,0 +1,11 @@
+Copyright 2008 Fair Oaks Labs, Inc.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/ieee754/README.md b/node_modules/ieee754/README.md
new file mode 100644
index 000000000..cb7527b3c
--- /dev/null
+++ b/node_modules/ieee754/README.md
@@ -0,0 +1,51 @@
+# ieee754 [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+
+[travis-image]: https://img.shields.io/travis/feross/ieee754/master.svg
+[travis-url]: https://travis-ci.org/feross/ieee754
+[npm-image]: https://img.shields.io/npm/v/ieee754.svg
+[npm-url]: https://npmjs.org/package/ieee754
+[downloads-image]: https://img.shields.io/npm/dm/ieee754.svg
+[downloads-url]: https://npmjs.org/package/ieee754
+[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+[standard-url]: https://standardjs.com
+
+[![saucelabs][saucelabs-image]][saucelabs-url]
+
+[saucelabs-image]: https://saucelabs.com/browser-matrix/ieee754.svg
+[saucelabs-url]: https://saucelabs.com/u/ieee754
+
+### Read/write IEEE754 floating point numbers from/to a Buffer or array-like object.
+
+## install
+
+```
+npm install ieee754
+```
+
+## methods
+
+`var ieee754 = require('ieee754')`
+
+The `ieee754` object has the following functions:
+
+```
+ieee754.read = function (buffer, offset, isLE, mLen, nBytes)
+ieee754.write = function (buffer, value, offset, isLE, mLen, nBytes)
+```
+
+The arguments mean the following:
+
+- buffer = the buffer
+- offset = offset into the buffer
+- value = value to set (only for `write`)
+- isLe = is little endian?
+- mLen = mantissa length
+- nBytes = number of bytes
+
+## what is ieee754?
+
+The IEEE Standard for Floating-Point Arithmetic (IEEE 754) is a technical standard for floating-point computation. [Read more](http://en.wikipedia.org/wiki/IEEE_floating_point).
+
+## license
+
+BSD 3 Clause. Copyright (c) 2008, Fair Oaks Labs, Inc.
diff --git a/node_modules/ieee754/index.d.ts b/node_modules/ieee754/index.d.ts
new file mode 100644
index 000000000..f1e435487
--- /dev/null
+++ b/node_modules/ieee754/index.d.ts
@@ -0,0 +1,10 @@
+declare namespace ieee754 {
+    export function read(
+        buffer: Uint8Array, offset: number, isLE: boolean, mLen: number,
+        nBytes: number): number;
+    export function write(
+        buffer: Uint8Array, value: number, offset: number, isLE: boolean,
+        mLen: number, nBytes: number): void;
+  }
+  
+  export = ieee754;
\ No newline at end of file
diff --git a/node_modules/ieee754/index.js b/node_modules/ieee754/index.js
new file mode 100644
index 000000000..81d26c343
--- /dev/null
+++ b/node_modules/ieee754/index.js
@@ -0,0 +1,85 @@
+/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */
+exports.read = function (buffer, offset, isLE, mLen, nBytes) {
+  var e, m
+  var eLen = (nBytes * 8) - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var nBits = -7
+  var i = isLE ? (nBytes - 1) : 0
+  var d = isLE ? -1 : 1
+  var s = buffer[offset + i]
+
+  i += d
+
+  e = s & ((1 << (-nBits)) - 1)
+  s >>= (-nBits)
+  nBits += eLen
+  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}
+
+  m = e & ((1 << (-nBits)) - 1)
+  e >>= (-nBits)
+  nBits += mLen
+  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}
+
+  if (e === 0) {
+    e = 1 - eBias
+  } else if (e === eMax) {
+    return m ? NaN : ((s ? -1 : 1) * Infinity)
+  } else {
+    m = m + Math.pow(2, mLen)
+    e = e - eBias
+  }
+  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+}
+
+exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
+  var e, m, c
+  var eLen = (nBytes * 8) - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
+  var i = isLE ? 0 : (nBytes - 1)
+  var d = isLE ? 1 : -1
+  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
+
+  value = Math.abs(value)
+
+  if (isNaN(value) || value === Infinity) {
+    m = isNaN(value) ? 1 : 0
+    e = eMax
+  } else {
+    e = Math.floor(Math.log(value) / Math.LN2)
+    if (value * (c = Math.pow(2, -e)) < 1) {
+      e--
+      c *= 2
+    }
+    if (e + eBias >= 1) {
+      value += rt / c
+    } else {
+      value += rt * Math.pow(2, 1 - eBias)
+    }
+    if (value * c >= 2) {
+      e++
+      c /= 2
+    }
+
+    if (e + eBias >= eMax) {
+      m = 0
+      e = eMax
+    } else if (e + eBias >= 1) {
+      m = ((value * c) - 1) * Math.pow(2, mLen)
+      e = e + eBias
+    } else {
+      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
+      e = 0
+    }
+  }
+
+  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+  e = (e << mLen) | m
+  eLen += mLen
+  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+  buffer[offset + i - d] |= s * 128
+}
diff --git a/node_modules/ieee754/package.json b/node_modules/ieee754/package.json
new file mode 100644
index 000000000..7b2385138
--- /dev/null
+++ b/node_modules/ieee754/package.json
@@ -0,0 +1,52 @@
+{
+  "name": "ieee754",
+  "description": "Read/write IEEE754 floating point numbers from/to a Buffer or array-like object",
+  "version": "1.2.1",
+  "author": {
+    "name": "Feross Aboukhadijeh",
+    "email": "feross@feross.org",
+    "url": "https://feross.org"
+  },
+  "contributors": [
+    "Romain Beauxis <toots@rastageeks.org>"
+  ],
+  "devDependencies": {
+    "airtap": "^3.0.0",
+    "standard": "*",
+    "tape": "^5.0.1"
+  },
+  "keywords": [
+    "IEEE 754",
+    "buffer",
+    "convert",
+    "floating point",
+    "ieee754"
+  ],
+  "license": "BSD-3-Clause",
+  "main": "index.js",
+  "types": "index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/feross/ieee754.git"
+  },
+  "scripts": {
+    "test": "standard && npm run test-node && npm run test-browser",
+    "test-browser": "airtap -- test/*.js",
+    "test-browser-local": "airtap --local -- test/*.js",
+    "test-node": "tape test/*.js"
+  },
+  "funding": [
+    {
+      "type": "github",
+      "url": "https://github.com/sponsors/feross"
+    },
+    {
+      "type": "patreon",
+      "url": "https://www.patreon.com/feross"
+    },
+    {
+      "type": "consulting",
+      "url": "https://feross.org/support"
+    }
+  ]
+}
diff --git a/node_modules/inherits/LICENSE b/node_modules/inherits/LICENSE
new file mode 100644
index 000000000..dea3013d6
--- /dev/null
+++ b/node_modules/inherits/LICENSE
@@ -0,0 +1,16 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
diff --git a/node_modules/inherits/README.md b/node_modules/inherits/README.md
new file mode 100644
index 000000000..b1c566585
--- /dev/null
+++ b/node_modules/inherits/README.md
@@ -0,0 +1,42 @@
+Browser-friendly inheritance fully compatible with standard node.js
+[inherits](http://nodejs.org/api/util.html#util_util_inherits_constructor_superconstructor).
+
+This package exports standard `inherits` from node.js `util` module in
+node environment, but also provides alternative browser-friendly
+implementation through [browser
+field](https://gist.github.com/shtylman/4339901). Alternative
+implementation is a literal copy of standard one located in standalone
+module to avoid requiring of `util`. It also has a shim for old
+browsers with no `Object.create` support.
+
+While keeping you sure you are using standard `inherits`
+implementation in node.js environment, it allows bundlers such as
+[browserify](https://github.com/substack/node-browserify) to not
+include full `util` package to your client code if all you need is
+just `inherits` function. It worth, because browser shim for `util`
+package is large and `inherits` is often the single function you need
+from it.
+
+It's recommended to use this package instead of
+`require('util').inherits` for any code that has chances to be used
+not only in node.js but in browser too.
+
+## usage
+
+```js
+var inherits = require('inherits');
+// then use exactly as the standard one
+```
+
+## note on version ~1.0
+
+Version ~1.0 had completely different motivation and is not compatible
+neither with 2.0 nor with standard node.js `inherits`.
+
+If you are using version ~1.0 and planning to switch to ~2.0, be
+careful:
+
+* new version uses `super_` instead of `super` for referencing
+  superclass
+* new version overwrites current prototype while old one preserves any
+  existing fields on it
diff --git a/node_modules/inherits/inherits.js b/node_modules/inherits/inherits.js
new file mode 100644
index 000000000..f71f2d932
--- /dev/null
+++ b/node_modules/inherits/inherits.js
@@ -0,0 +1,9 @@
+try {
+  var util = require('util');
+  /* istanbul ignore next */
+  if (typeof util.inherits !== 'function') throw '';
+  module.exports = util.inherits;
+} catch (e) {
+  /* istanbul ignore next */
+  module.exports = require('./inherits_browser.js');
+}
diff --git a/node_modules/inherits/inherits_browser.js b/node_modules/inherits/inherits_browser.js
new file mode 100644
index 000000000..86bbb3dc2
--- /dev/null
+++ b/node_modules/inherits/inherits_browser.js
@@ -0,0 +1,27 @@
+if (typeof Object.create === 'function') {
+  // implementation from standard node.js 'util' module
+  module.exports = function inherits(ctor, superCtor) {
+    if (superCtor) {
+      ctor.super_ = superCtor
+      ctor.prototype = Object.create(superCtor.prototype, {
+        constructor: {
+          value: ctor,
+          enumerable: false,
+          writable: true,
+          configurable: true
+        }
+      })
+    }
+  };
+} else {
+  // old school shim for old browsers
+  module.exports = function inherits(ctor, superCtor) {
+    if (superCtor) {
+      ctor.super_ = superCtor
+      var TempCtor = function () {}
+      TempCtor.prototype = superCtor.prototype
+      ctor.prototype = new TempCtor()
+      ctor.prototype.constructor = ctor
+    }
+  }
+}
diff --git a/node_modules/inherits/package.json b/node_modules/inherits/package.json
new file mode 100644
index 000000000..37b4366b8
--- /dev/null
+++ b/node_modules/inherits/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "inherits",
+  "description": "Browser-friendly inheritance fully compatible with standard node.js inherits()",
+  "version": "2.0.4",
+  "keywords": [
+    "inheritance",
+    "class",
+    "klass",
+    "oop",
+    "object-oriented",
+    "inherits",
+    "browser",
+    "browserify"
+  ],
+  "main": "./inherits.js",
+  "browser": "./inherits_browser.js",
+  "repository": "git://github.com/isaacs/inherits",
+  "license": "ISC",
+  "scripts": {
+    "test": "tap"
+  },
+  "devDependencies": {
+    "tap": "^14.2.4"
+  },
+  "files": [
+    "inherits.js",
+    "inherits_browser.js"
+  ]
+}
diff --git a/node_modules/ip/README.md b/node_modules/ip/README.md
new file mode 100644
index 000000000..22e5819ff
--- /dev/null
+++ b/node_modules/ip/README.md
@@ -0,0 +1,90 @@
+# IP  
+[![](https://badge.fury.io/js/ip.svg)](https://www.npmjs.com/package/ip)  
+
+IP address utilities for node.js
+
+## Installation
+
+###  npm
+```shell
+npm install ip
+```
+
+### git
+
+```shell
+git clone https://github.com/indutny/node-ip.git
+```
+  
+## Usage
+Get your ip address, compare ip addresses, validate ip addresses, etc.
+
+```js
+var ip = require('ip');
+
+ip.address() // my ip address
+ip.isEqual('::1', '::0:1'); // true
+ip.toBuffer('127.0.0.1') // Buffer([127, 0, 0, 1])
+ip.toString(new Buffer([127, 0, 0, 1])) // 127.0.0.1
+ip.fromPrefixLen(24) // 255.255.255.0
+ip.mask('192.168.1.134', '255.255.255.0') // 192.168.1.0
+ip.cidr('192.168.1.134/26') // 192.168.1.128
+ip.not('255.255.255.0') // 0.0.0.255
+ip.or('192.168.1.134', '0.0.0.255') // 192.168.1.255
+ip.isPrivate('127.0.0.1') // true
+ip.isV4Format('127.0.0.1'); // true
+ip.isV6Format('::ffff:127.0.0.1'); // true
+
+// operate on buffers in-place
+var buf = new Buffer(128);
+var offset = 64;
+ip.toBuffer('127.0.0.1', buf, offset);  // [127, 0, 0, 1] at offset 64
+ip.toString(buf, offset, 4);            // '127.0.0.1'
+
+// subnet information
+ip.subnet('192.168.1.134', '255.255.255.192')
+// { networkAddress: '192.168.1.128',
+//   firstAddress: '192.168.1.129',
+//   lastAddress: '192.168.1.190',
+//   broadcastAddress: '192.168.1.191',
+//   subnetMask: '255.255.255.192',
+//   subnetMaskLength: 26,
+//   numHosts: 62,
+//   length: 64,
+//   contains: function(addr){...} }
+ip.cidrSubnet('192.168.1.134/26')
+// Same as previous.
+
+// range checking
+ip.cidrSubnet('192.168.1.134/26').contains('192.168.1.190') // true
+
+
+// ipv4 long conversion
+ip.toLong('127.0.0.1'); // 2130706433
+ip.fromLong(2130706433); // '127.0.0.1'
+```
+
+### License
+
+This software is licensed under the MIT License.
+
+Copyright Fedor Indutny, 2012.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/ip/lib/ip.js b/node_modules/ip/lib/ip.js
new file mode 100644
index 000000000..4b2adb5ad
--- /dev/null
+++ b/node_modules/ip/lib/ip.js
@@ -0,0 +1,422 @@
+const ip = exports;
+const { Buffer } = require('buffer');
+const os = require('os');
+
+ip.toBuffer = function (ip, buff, offset) {
+  offset = ~~offset;
+
+  let result;
+
+  if (this.isV4Format(ip)) {
+    result = buff || Buffer.alloc(offset + 4);
+    ip.split(/\./g).map((byte) => {
+      result[offset++] = parseInt(byte, 10) & 0xff;
+    });
+  } else if (this.isV6Format(ip)) {
+    const sections = ip.split(':', 8);
+
+    let i;
+    for (i = 0; i < sections.length; i++) {
+      const isv4 = this.isV4Format(sections[i]);
+      let v4Buffer;
+
+      if (isv4) {
+        v4Buffer = this.toBuffer(sections[i]);
+        sections[i] = v4Buffer.slice(0, 2).toString('hex');
+      }
+
+      if (v4Buffer && ++i < 8) {
+        sections.splice(i, 0, v4Buffer.slice(2, 4).toString('hex'));
+      }
+    }
+
+    if (sections[0] === '') {
+      while (sections.length < 8) sections.unshift('0');
+    } else if (sections[sections.length - 1] === '') {
+      while (sections.length < 8) sections.push('0');
+    } else if (sections.length < 8) {
+      for (i = 0; i < sections.length && sections[i] !== ''; i++);
+      const argv = [i, 1];
+      for (i = 9 - sections.length; i > 0; i--) {
+        argv.push('0');
+      }
+      sections.splice(...argv);
+    }
+
+    result = buff || Buffer.alloc(offset + 16);
+    for (i = 0; i < sections.length; i++) {
+      const word = parseInt(sections[i], 16);
+      result[offset++] = (word >> 8) & 0xff;
+      result[offset++] = word & 0xff;
+    }
+  }
+
+  if (!result) {
+    throw Error(`Invalid ip address: ${ip}`);
+  }
+
+  return result;
+};
+
+ip.toString = function (buff, offset, length) {
+  offset = ~~offset;
+  length = length || (buff.length - offset);
+
+  let result = [];
+  if (length === 4) {
+    // IPv4
+    for (let i = 0; i < length; i++) {
+      result.push(buff[offset + i]);
+    }
+    result = result.join('.');
+  } else if (length === 16) {
+    // IPv6
+    for (let i = 0; i < length; i += 2) {
+      result.push(buff.readUInt16BE(offset + i).toString(16));
+    }
+    result = result.join(':');
+    result = result.replace(/(^|:)0(:0)*:0(:|$)/, '$1::$3');
+    result = result.replace(/:{3,4}/, '::');
+  }
+
+  return result;
+};
+
+const ipv4Regex = /^(\d{1,3}\.){3,3}\d{1,3}$/;
+const ipv6Regex = /^(::)?(((\d{1,3}\.){3}(\d{1,3}){1})?([0-9a-f]){0,4}:{0,2}){1,8}(::)?$/i;
+
+ip.isV4Format = function (ip) {
+  return ipv4Regex.test(ip);
+};
+
+ip.isV6Format = function (ip) {
+  return ipv6Regex.test(ip);
+};
+
+function _normalizeFamily(family) {
+  if (family === 4) {
+    return 'ipv4';
+  }
+  if (family === 6) {
+    return 'ipv6';
+  }
+  return family ? family.toLowerCase() : 'ipv4';
+}
+
+ip.fromPrefixLen = function (prefixlen, family) {
+  if (prefixlen > 32) {
+    family = 'ipv6';
+  } else {
+    family = _normalizeFamily(family);
+  }
+
+  let len = 4;
+  if (family === 'ipv6') {
+    len = 16;
+  }
+  const buff = Buffer.alloc(len);
+
+  for (let i = 0, n = buff.length; i < n; ++i) {
+    let bits = 8;
+    if (prefixlen < 8) {
+      bits = prefixlen;
+    }
+    prefixlen -= bits;
+
+    buff[i] = ~(0xff >> bits) & 0xff;
+  }
+
+  return ip.toString(buff);
+};
+
+ip.mask = function (addr, mask) {
+  addr = ip.toBuffer(addr);
+  mask = ip.toBuffer(mask);
+
+  const result = Buffer.alloc(Math.max(addr.length, mask.length));
+
+  // Same protocol - do bitwise and
+  let i;
+  if (addr.length === mask.length) {
+    for (i = 0; i < addr.length; i++) {
+      result[i] = addr[i] & mask[i];
+    }
+  } else if (mask.length === 4) {
+    // IPv6 address and IPv4 mask
+    // (Mask low bits)
+    for (i = 0; i < mask.length; i++) {
+      result[i] = addr[addr.length - 4 + i] & mask[i];
+    }
+  } else {
+    // IPv6 mask and IPv4 addr
+    for (i = 0; i < result.length - 6; i++) {
+      result[i] = 0;
+    }
+
+    // ::ffff:ipv4
+    result[10] = 0xff;
+    result[11] = 0xff;
+    for (i = 0; i < addr.length; i++) {
+      result[i + 12] = addr[i] & mask[i + 12];
+    }
+    i += 12;
+  }
+  for (; i < result.length; i++) {
+    result[i] = 0;
+  }
+
+  return ip.toString(result);
+};
+
+ip.cidr = function (cidrString) {
+  const cidrParts = cidrString.split('/');
+
+  const addr = cidrParts[0];
+  if (cidrParts.length !== 2) {
+    throw new Error(`invalid CIDR subnet: ${addr}`);
+  }
+
+  const mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10));
+
+  return ip.mask(addr, mask);
+};
+
+ip.subnet = function (addr, mask) {
+  const networkAddress = ip.toLong(ip.mask(addr, mask));
+
+  // Calculate the mask's length.
+  const maskBuffer = ip.toBuffer(mask);
+  let maskLength = 0;
+
+  for (let i = 0; i < maskBuffer.length; i++) {
+    if (maskBuffer[i] === 0xff) {
+      maskLength += 8;
+    } else {
+      let octet = maskBuffer[i] & 0xff;
+      while (octet) {
+        octet = (octet << 1) & 0xff;
+        maskLength++;
+      }
+    }
+  }
+
+  const numberOfAddresses = 2 ** (32 - maskLength);
+
+  return {
+    networkAddress: ip.fromLong(networkAddress),
+    firstAddress: numberOfAddresses <= 2
+      ? ip.fromLong(networkAddress)
+      : ip.fromLong(networkAddress + 1),
+    lastAddress: numberOfAddresses <= 2
+      ? ip.fromLong(networkAddress + numberOfAddresses - 1)
+      : ip.fromLong(networkAddress + numberOfAddresses - 2),
+    broadcastAddress: ip.fromLong(networkAddress + numberOfAddresses - 1),
+    subnetMask: mask,
+    subnetMaskLength: maskLength,
+    numHosts: numberOfAddresses <= 2
+      ? numberOfAddresses : numberOfAddresses - 2,
+    length: numberOfAddresses,
+    contains(other) {
+      return networkAddress === ip.toLong(ip.mask(other, mask));
+    },
+  };
+};
+
+ip.cidrSubnet = function (cidrString) {
+  const cidrParts = cidrString.split('/');
+
+  const addr = cidrParts[0];
+  if (cidrParts.length !== 2) {
+    throw new Error(`invalid CIDR subnet: ${addr}`);
+  }
+
+  const mask = ip.fromPrefixLen(parseInt(cidrParts[1], 10));
+
+  return ip.subnet(addr, mask);
+};
+
+ip.not = function (addr) {
+  const buff = ip.toBuffer(addr);
+  for (let i = 0; i < buff.length; i++) {
+    buff[i] = 0xff ^ buff[i];
+  }
+  return ip.toString(buff);
+};
+
+ip.or = function (a, b) {
+  a = ip.toBuffer(a);
+  b = ip.toBuffer(b);
+
+  // same protocol
+  if (a.length === b.length) {
+    for (let i = 0; i < a.length; ++i) {
+      a[i] |= b[i];
+    }
+    return ip.toString(a);
+
+  // mixed protocols
+  }
+  let buff = a;
+  let other = b;
+  if (b.length > a.length) {
+    buff = b;
+    other = a;
+  }
+
+  const offset = buff.length - other.length;
+  for (let i = offset; i < buff.length; ++i) {
+    buff[i] |= other[i - offset];
+  }
+
+  return ip.toString(buff);
+};
+
+ip.isEqual = function (a, b) {
+  a = ip.toBuffer(a);
+  b = ip.toBuffer(b);
+
+  // Same protocol
+  if (a.length === b.length) {
+    for (let i = 0; i < a.length; i++) {
+      if (a[i] !== b[i]) return false;
+    }
+    return true;
+  }
+
+  // Swap
+  if (b.length === 4) {
+    const t = b;
+    b = a;
+    a = t;
+  }
+
+  // a - IPv4, b - IPv6
+  for (let i = 0; i < 10; i++) {
+    if (b[i] !== 0) return false;
+  }
+
+  const word = b.readUInt16BE(10);
+  if (word !== 0 && word !== 0xffff) return false;
+
+  for (let i = 0; i < 4; i++) {
+    if (a[i] !== b[i + 12]) return false;
+  }
+
+  return true;
+};
+
+ip.isPrivate = function (addr) {
+  return /^(::f{4}:)?10\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/i
+    .test(addr)
+    || /^(::f{4}:)?192\.168\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr)
+    || /^(::f{4}:)?172\.(1[6-9]|2\d|30|31)\.([0-9]{1,3})\.([0-9]{1,3})$/i
+      .test(addr)
+    || /^(::f{4}:)?127\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr)
+    || /^(::f{4}:)?169\.254\.([0-9]{1,3})\.([0-9]{1,3})$/i.test(addr)
+    || /^f[cd][0-9a-f]{2}:/i.test(addr)
+    || /^fe80:/i.test(addr)
+    || /^::1$/.test(addr)
+    || /^::$/.test(addr);
+};
+
+ip.isPublic = function (addr) {
+  return !ip.isPrivate(addr);
+};
+
+ip.isLoopback = function (addr) {
+  return /^(::f{4}:)?127\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})/
+    .test(addr)
+    || /^fe80::1$/.test(addr)
+    || /^::1$/.test(addr)
+    || /^::$/.test(addr);
+};
+
+ip.loopback = function (family) {
+  //
+  // Default to `ipv4`
+  //
+  family = _normalizeFamily(family);
+
+  if (family !== 'ipv4' && family !== 'ipv6') {
+    throw new Error('family must be ipv4 or ipv6');
+  }
+
+  return family === 'ipv4' ? '127.0.0.1' : 'fe80::1';
+};
+
+//
+// ### function address (name, family)
+// #### @name {string|'public'|'private'} **Optional** Name or security
+//      of the network interface.
+// #### @family {ipv4|ipv6} **Optional** IP family of the address (defaults
+//      to ipv4).
+//
+// Returns the address for the network interface on the current system with
+// the specified `name`:
+//   * String: First `family` address of the interface.
+//             If not found see `undefined`.
+//   * 'public': the first public ip address of family.
+//   * 'private': the first private ip address of family.
+//   * undefined: First address with `ipv4` or loopback address `127.0.0.1`.
+//
+ip.address = function (name, family) {
+  const interfaces = os.networkInterfaces();
+
+  //
+  // Default to `ipv4`
+  //
+  family = _normalizeFamily(family);
+
+  //
+  // If a specific network interface has been named,
+  // return the address.
+  //
+  if (name && name !== 'private' && name !== 'public') {
+    const res = interfaces[name].filter((details) => {
+      const itemFamily = _normalizeFamily(details.family);
+      return itemFamily === family;
+    });
+    if (res.length === 0) {
+      return undefined;
+    }
+    return res[0].address;
+  }
+
+  const all = Object.keys(interfaces).map((nic) => {
+    //
+    // Note: name will only be `public` or `private`
+    // when this is called.
+    //
+    const addresses = interfaces[nic].filter((details) => {
+      details.family = _normalizeFamily(details.family);
+      if (details.family !== family || ip.isLoopback(details.address)) {
+        return false;
+      } if (!name) {
+        return true;
+      }
+
+      return name === 'public' ? ip.isPrivate(details.address)
+        : ip.isPublic(details.address);
+    });
+
+    return addresses.length ? addresses[0].address : undefined;
+  }).filter(Boolean);
+
+  return !all.length ? ip.loopback(family) : all[0];
+};
+
+ip.toLong = function (ip) {
+  let ipl = 0;
+  ip.split('.').forEach((octet) => {
+    ipl <<= 8;
+    ipl += parseInt(octet);
+  });
+  return (ipl >>> 0);
+};
+
+ip.fromLong = function (ipl) {
+  return (`${ipl >>> 24}.${
+    ipl >> 16 & 255}.${
+    ipl >> 8 & 255}.${
+    ipl & 255}`);
+};
diff --git a/node_modules/ip/package.json b/node_modules/ip/package.json
new file mode 100644
index 000000000..f0d95e9b7
--- /dev/null
+++ b/node_modules/ip/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "ip",
+  "version": "2.0.0",
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "homepage": "https://github.com/indutny/node-ip",
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/indutny/node-ip.git"
+  },
+  "files": [
+    "lib",
+    "README.md"
+  ],
+  "main": "lib/ip",
+  "devDependencies": {
+    "eslint": "^8.15.0",
+    "mocha": "^10.0.0"
+  },
+  "scripts": {
+    "lint": "eslint lib/*.js test/*.js",
+    "test": "npm run lint && mocha --reporter spec test/*-test.js",
+    "fix": "npm run lint -- --fix"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/ipaddr.js/LICENSE b/node_modules/ipaddr.js/LICENSE
new file mode 100644
index 000000000..f6b37b52d
--- /dev/null
+++ b/node_modules/ipaddr.js/LICENSE
@@ -0,0 +1,19 @@
+Copyright (C) 2011-2017 whitequark <whitequark@whitequark.org>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/ipaddr.js/README.md b/node_modules/ipaddr.js/README.md
new file mode 100644
index 000000000..f57725b0f
--- /dev/null
+++ b/node_modules/ipaddr.js/README.md
@@ -0,0 +1,233 @@
+# ipaddr.js — an IPv6 and IPv4 address manipulation library [![Build Status](https://travis-ci.org/whitequark/ipaddr.js.svg)](https://travis-ci.org/whitequark/ipaddr.js)
+
+ipaddr.js is a small (1.9K minified and gzipped) library for manipulating
+IP addresses in JavaScript environments. It runs on both CommonJS runtimes
+(e.g. [nodejs]) and in a web browser.
+
+ipaddr.js allows you to verify and parse string representation of an IP
+address, match it against a CIDR range or range list, determine if it falls
+into some reserved ranges (examples include loopback and private ranges),
+and convert between IPv4 and IPv4-mapped IPv6 addresses.
+
+[nodejs]: http://nodejs.org
+
+## Installation
+
+`npm install ipaddr.js`
+
+or
+
+`bower install ipaddr.js`
+
+## API
+
+ipaddr.js defines one object in the global scope: `ipaddr`. In CommonJS,
+it is exported from the module:
+
+```js
+var ipaddr = require('ipaddr.js');
+```
+
+The API consists of several global methods and two classes: ipaddr.IPv6 and ipaddr.IPv4.
+
+### Global methods
+
+There are three global methods defined: `ipaddr.isValid`, `ipaddr.parse` and
+`ipaddr.process`. All of them receive a string as a single parameter.
+
+The `ipaddr.isValid` method returns `true` if the address is a valid IPv4 or
+IPv6 address, and `false` otherwise. It does not throw any exceptions.
+
+The `ipaddr.parse` method returns an object representing the IP address,
+or throws an `Error` if the passed string is not a valid representation of an
+IP address.
+
+The `ipaddr.process` method works just like the `ipaddr.parse` one, but it
+automatically converts IPv4-mapped IPv6 addresses to their IPv4 counterparts
+before returning. It is useful when you have a Node.js instance listening
+on an IPv6 socket, and the `net.ivp6.bindv6only` sysctl parameter (or its
+equivalent on non-Linux OS) is set to 0. In this case, you can accept IPv4
+connections on your IPv6-only socket, but the remote address will be mangled.
+Use `ipaddr.process` method to automatically demangle it.
+
+### Object representation
+
+Parsing methods return an object which descends from `ipaddr.IPv6` or
+`ipaddr.IPv4`. These objects share some properties, but most of them differ.
+
+#### Shared properties
+
+One can determine the type of address by calling `addr.kind()`. It will return
+either `"ipv6"` or `"ipv4"`.
+
+An address can be converted back to its string representation with `addr.toString()`.
+Note that this method:
+ * does not return the original string used to create the object (in fact, there is
+   no way of getting that string)
+ * returns a compact representation (when it is applicable)
+
+A `match(range, bits)` method can be used to check if the address falls into a
+certain CIDR range.
+Note that an address can be (obviously) matched only against an address of the same type.
+
+For example:
+
+```js
+var addr = ipaddr.parse("2001:db8:1234::1");
+var range = ipaddr.parse("2001:db8::");
+
+addr.match(range, 32); // => true
+```
+
+Alternatively, `match` can also be called as `match([range, bits])`. In this way,
+it can be used together with the `parseCIDR(string)` method, which parses an IP
+address together with a CIDR range.
+
+For example:
+
+```js
+var addr = ipaddr.parse("2001:db8:1234::1");
+
+addr.match(ipaddr.parseCIDR("2001:db8::/32")); // => true
+```
+
+A `range()` method returns one of predefined names for several special ranges defined
+by IP protocols. The exact names (and their respective CIDR ranges) can be looked up
+in the source: [IPv6 ranges] and [IPv4 ranges]. Some common ones include `"unicast"`
+(the default one) and `"reserved"`.
+
+You can match against your own range list by using
+`ipaddr.subnetMatch(address, rangeList, defaultName)` method. It can work with a mix of IPv6 or IPv4 addresses, and accepts a name-to-subnet map as the range list. For example:
+
+```js
+var rangeList = {
+  documentationOnly: [ ipaddr.parse('2001:db8::'), 32 ],
+  tunnelProviders: [
+    [ ipaddr.parse('2001:470::'), 32 ], // he.net
+    [ ipaddr.parse('2001:5c0::'), 32 ]  // freenet6
+  ]
+};
+ipaddr.subnetMatch(ipaddr.parse('2001:470:8:66::1'), rangeList, 'unknown'); // => "tunnelProviders"
+```
+
+The addresses can be converted to their byte representation with `toByteArray()`.
+(Actually, JavaScript mostly does not know about byte buffers. They are emulated with
+arrays of numbers, each in range of 0..255.)
+
+```js
+var bytes = ipaddr.parse('2a00:1450:8007::68').toByteArray(); // ipv6.google.com
+bytes // => [42, 0x00, 0x14, 0x50, 0x80, 0x07, 0x00, <zeroes...>, 0x00, 0x68 ]
+```
+
+The `ipaddr.IPv4` and `ipaddr.IPv6` objects have some methods defined, too. All of them
+have the same interface for both protocols, and are similar to global methods.
+
+`ipaddr.IPvX.isValid(string)` can be used to check if the string is a valid address
+for particular protocol, and `ipaddr.IPvX.parse(string)` is the error-throwing parser.
+
+`ipaddr.IPvX.isValid(string)` uses the same format for parsing as the POSIX `inet_ntoa` function, which accepts unusual formats like `0xc0.168.1.1` or `0x10000000`. The function `ipaddr.IPv4.isValidFourPartDecimal(string)` validates the IPv4 address and also ensures that it is written in four-part decimal format.
+
+[IPv6 ranges]: https://github.com/whitequark/ipaddr.js/blob/master/src/ipaddr.coffee#L186
+[IPv4 ranges]: https://github.com/whitequark/ipaddr.js/blob/master/src/ipaddr.coffee#L71
+
+#### IPv6 properties
+
+Sometimes you will want to convert IPv6 not to a compact string representation (with
+the `::` substitution); the `toNormalizedString()` method will return an address where
+all zeroes are explicit.
+
+For example:
+
+```js
+var addr = ipaddr.parse("2001:0db8::0001");
+addr.toString(); // => "2001:db8::1"
+addr.toNormalizedString(); // => "2001:db8:0:0:0:0:0:1"
+```
+
+The `isIPv4MappedAddress()` method will return `true` if this address is an IPv4-mapped
+one, and `toIPv4Address()` will return an IPv4 object address.
+
+To access the underlying binary representation of the address, use `addr.parts`.
+
+```js
+var addr = ipaddr.parse("2001:db8:10::1234:DEAD");
+addr.parts // => [0x2001, 0xdb8, 0x10, 0, 0, 0, 0x1234, 0xdead]
+```
+
+A IPv6 zone index can be accessed via `addr.zoneId`:
+
+```js
+var addr = ipaddr.parse("2001:db8::%eth0");
+addr.zoneId // => 'eth0'
+```
+
+#### IPv4 properties
+
+`toIPv4MappedAddress()` will return a corresponding IPv4-mapped IPv6 address.
+
+To access the underlying representation of the address, use `addr.octets`.
+
+```js
+var addr = ipaddr.parse("192.168.1.1");
+addr.octets // => [192, 168, 1, 1]
+```
+
+`prefixLengthFromSubnetMask()` will return a CIDR prefix length for a valid IPv4 netmask or
+null if the netmask is not valid.
+
+```js
+ipaddr.IPv4.parse('255.255.255.240').prefixLengthFromSubnetMask() == 28
+ipaddr.IPv4.parse('255.192.164.0').prefixLengthFromSubnetMask()  == null
+```
+
+`subnetMaskFromPrefixLength()` will return an IPv4 netmask for a valid CIDR prefix length.
+
+```js
+ipaddr.IPv4.subnetMaskFromPrefixLength(24) == "255.255.255.0"
+ipaddr.IPv4.subnetMaskFromPrefixLength(29) == "255.255.255.248"
+```
+
+`broadcastAddressFromCIDR()` will return the broadcast address for a given IPv4 interface and netmask in CIDR notation.
+```js
+ipaddr.IPv4.broadcastAddressFromCIDR("172.0.0.1/24") == "172.0.0.255"
+```
+`networkAddressFromCIDR()` will return the network address for a given IPv4 interface and netmask in CIDR notation.
+```js
+ipaddr.IPv4.networkAddressFromCIDR("172.0.0.1/24") == "172.0.0.0"
+```
+
+#### Conversion
+
+IPv4 and IPv6 can be converted bidirectionally to and from network byte order (MSB) byte arrays.
+
+The `fromByteArray()` method will take an array and create an appropriate IPv4 or IPv6 object
+if the input satisfies the requirements. For IPv4 it has to be an array of four 8-bit values,
+while for IPv6 it has to be an array of sixteen 8-bit values.
+
+For example:
+```js
+var addr = ipaddr.fromByteArray([0x7f, 0, 0, 1]);
+addr.toString(); // => "127.0.0.1"
+```
+
+or
+
+```js
+var addr = ipaddr.fromByteArray([0x20, 1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1])
+addr.toString(); // => "2001:db8::1"
+```
+
+Both objects also offer a `toByteArray()` method, which returns an array in network byte order (MSB).
+
+For example:
+```js
+var addr = ipaddr.parse("127.0.0.1");
+addr.toByteArray(); // => [0x7f, 0, 0, 1]
+```
+
+or
+
+```js
+var addr = ipaddr.parse("2001:db8::1");
+addr.toByteArray(); // => [0x20, 1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]
+```
diff --git a/node_modules/ipaddr.js/ipaddr.min.js b/node_modules/ipaddr.js/ipaddr.min.js
new file mode 100644
index 000000000..b54a7cc42
--- /dev/null
+++ b/node_modules/ipaddr.js/ipaddr.min.js
@@ -0,0 +1 @@
+(function(){var r,t,n,e,i,o,a,s;t={},s=this,"undefined"!=typeof module&&null!==module&&module.exports?module.exports=t:s.ipaddr=t,a=function(r,t,n,e){var i,o;if(r.length!==t.length)throw new Error("ipaddr: cannot match CIDR for objects with different lengths");for(i=0;e>0;){if((o=n-e)<0&&(o=0),r[i]>>o!=t[i]>>o)return!1;e-=n,i+=1}return!0},t.subnetMatch=function(r,t,n){var e,i,o,a,s;null==n&&(n="unicast");for(o in t)for(!(a=t[o])[0]||a[0]instanceof Array||(a=[a]),e=0,i=a.length;e<i;e++)if(s=a[e],r.kind()===s[0].kind()&&r.match.apply(r,s))return o;return n},t.IPv4=function(){function r(r){var t,n,e;if(4!==r.length)throw new Error("ipaddr: ipv4 octet count should be 4");for(t=0,n=r.length;t<n;t++)if(!(0<=(e=r[t])&&e<=255))throw new Error("ipaddr: ipv4 octet should fit in 8 bits");this.octets=r}return r.prototype.kind=function(){return"ipv4"},r.prototype.toString=function(){return this.octets.join(".")},r.prototype.toNormalizedString=function(){return this.toString()},r.prototype.toByteArray=function(){return this.octets.slice(0)},r.prototype.match=function(r,t){var n;if(void 0===t&&(r=(n=r)[0],t=n[1]),"ipv4"!==r.kind())throw new Error("ipaddr: cannot match ipv4 address with non-ipv4 one");return a(this.octets,r.octets,8,t)},r.prototype.SpecialRanges={unspecified:[[new r([0,0,0,0]),8]],broadcast:[[new r([255,255,255,255]),32]],multicast:[[new r([224,0,0,0]),4]],linkLocal:[[new r([169,254,0,0]),16]],loopback:[[new r([127,0,0,0]),8]],carrierGradeNat:[[new r([100,64,0,0]),10]],private:[[new r([10,0,0,0]),8],[new r([172,16,0,0]),12],[new r([192,168,0,0]),16]],reserved:[[new r([192,0,0,0]),24],[new r([192,0,2,0]),24],[new r([192,88,99,0]),24],[new r([198,51,100,0]),24],[new r([203,0,113,0]),24],[new r([240,0,0,0]),4]]},r.prototype.range=function(){return t.subnetMatch(this,this.SpecialRanges)},r.prototype.toIPv4MappedAddress=function(){return t.IPv6.parse("::ffff:"+this.toString())},r.prototype.prefixLengthFromSubnetMask=function(){var r,t,n,e,i,o,a;for(a={0:8,128:7,192:6,224:5,240:4,248:3,252:2,254:1,255:0},r=0,i=!1,t=n=3;n>=0;t=n+=-1){if(!((e=this.octets[t])in a))return null;if(o=a[e],i&&0!==o)return null;8!==o&&(i=!0),r+=o}return 32-r},r}(),n="(0?\\d+|0x[a-f0-9]+)",e={fourOctet:new RegExp("^"+n+"\\."+n+"\\."+n+"\\."+n+"$","i"),longValue:new RegExp("^"+n+"$","i")},t.IPv4.parser=function(r){var t,n,i,o,a;if(n=function(r){return"0"===r[0]&&"x"!==r[1]?parseInt(r,8):parseInt(r)},t=r.match(e.fourOctet))return function(){var r,e,o,a;for(a=[],r=0,e=(o=t.slice(1,6)).length;r<e;r++)i=o[r],a.push(n(i));return a}();if(t=r.match(e.longValue)){if((a=n(t[1]))>4294967295||a<0)throw new Error("ipaddr: address outside defined range");return function(){var r,t;for(t=[],o=r=0;r<=24;o=r+=8)t.push(a>>o&255);return t}().reverse()}return null},t.IPv6=function(){function r(r,t){var n,e,i,o,a,s;if(16===r.length)for(this.parts=[],n=e=0;e<=14;n=e+=2)this.parts.push(r[n]<<8|r[n+1]);else{if(8!==r.length)throw new Error("ipaddr: ipv6 part count should be 8 or 16");this.parts=r}for(i=0,o=(s=this.parts).length;i<o;i++)if(!(0<=(a=s[i])&&a<=65535))throw new Error("ipaddr: ipv6 part should fit in 16 bits");t&&(this.zoneId=t)}return r.prototype.kind=function(){return"ipv6"},r.prototype.toString=function(){return this.toNormalizedString().replace(/((^|:)(0(:|$))+)/,"::")},r.prototype.toRFC5952String=function(){var r,t,n,e,i;for(e=/((^|:)(0(:|$)){2,})/g,i=this.toNormalizedString(),r=0,t=-1;n=e.exec(i);)n[0].length>t&&(r=n.index,t=n[0].length);return t<0?i:i.substring(0,r)+"::"+i.substring(r+t)},r.prototype.toByteArray=function(){var r,t,n,e,i;for(r=[],t=0,n=(i=this.parts).length;t<n;t++)e=i[t],r.push(e>>8),r.push(255&e);return r},r.prototype.toNormalizedString=function(){var r,t,n;return r=function(){var r,n,e,i;for(i=[],r=0,n=(e=this.parts).length;r<n;r++)t=e[r],i.push(t.toString(16));return i}.call(this).join(":"),n="",this.zoneId&&(n="%"+this.zoneId),r+n},r.prototype.toFixedLengthString=function(){var r,t,n;return r=function(){var r,n,e,i;for(i=[],r=0,n=(e=this.parts).length;r<n;r++)t=e[r],i.push(t.toString(16).padStart(4,"0"));return i}.call(this).join(":"),n="",this.zoneId&&(n="%"+this.zoneId),r+n},r.prototype.match=function(r,t){var n;if(void 0===t&&(r=(n=r)[0],t=n[1]),"ipv6"!==r.kind())throw new Error("ipaddr: cannot match ipv6 address with non-ipv6 one");return a(this.parts,r.parts,16,t)},r.prototype.SpecialRanges={unspecified:[new r([0,0,0,0,0,0,0,0]),128],linkLocal:[new r([65152,0,0,0,0,0,0,0]),10],multicast:[new r([65280,0,0,0,0,0,0,0]),8],loopback:[new r([0,0,0,0,0,0,0,1]),128],uniqueLocal:[new r([64512,0,0,0,0,0,0,0]),7],ipv4Mapped:[new r([0,0,0,0,0,65535,0,0]),96],rfc6145:[new r([0,0,0,0,65535,0,0,0]),96],rfc6052:[new r([100,65435,0,0,0,0,0,0]),96],"6to4":[new r([8194,0,0,0,0,0,0,0]),16],teredo:[new r([8193,0,0,0,0,0,0,0]),32],reserved:[[new r([8193,3512,0,0,0,0,0,0]),32]]},r.prototype.range=function(){return t.subnetMatch(this,this.SpecialRanges)},r.prototype.isIPv4MappedAddress=function(){return"ipv4Mapped"===this.range()},r.prototype.toIPv4Address=function(){var r,n,e;if(!this.isIPv4MappedAddress())throw new Error("ipaddr: trying to convert a generic ipv6 address to ipv4");return e=this.parts.slice(-2),r=e[0],n=e[1],new t.IPv4([r>>8,255&r,n>>8,255&n])},r.prototype.prefixLengthFromSubnetMask=function(){var r,t,n,e,i,o,a;for(a={0:16,32768:15,49152:14,57344:13,61440:12,63488:11,64512:10,65024:9,65280:8,65408:7,65472:6,65504:5,65520:4,65528:3,65532:2,65534:1,65535:0},r=0,i=!1,t=n=7;n>=0;t=n+=-1){if(!((e=this.parts[t])in a))return null;if(o=a[e],i&&0!==o)return null;16!==o&&(i=!0),r+=o}return 128-r},r}(),i="(?:[0-9a-f]+::?)+",o={zoneIndex:new RegExp("%[0-9a-z]{1,}","i"),native:new RegExp("^(::)?("+i+")?([0-9a-f]+)?(::)?(%[0-9a-z]{1,})?$","i"),transitional:new RegExp("^((?:"+i+")|(?:::)(?:"+i+")?)"+n+"\\."+n+"\\."+n+"\\."+n+"(%[0-9a-z]{1,})?$","i")},r=function(r,t){var n,e,i,a,s,p;if(r.indexOf("::")!==r.lastIndexOf("::"))return null;for((p=(r.match(o.zoneIndex)||[])[0])&&(p=p.substring(1),r=r.replace(/%.+$/,"")),n=0,e=-1;(e=r.indexOf(":",e+1))>=0;)n++;if("::"===r.substr(0,2)&&n--,"::"===r.substr(-2,2)&&n--,n>t)return null;for(s=t-n,a=":";s--;)a+="0:";return":"===(r=r.replace("::",a))[0]&&(r=r.slice(1)),":"===r[r.length-1]&&(r=r.slice(0,-1)),t=function(){var t,n,e,o;for(o=[],t=0,n=(e=r.split(":")).length;t<n;t++)i=e[t],o.push(parseInt(i,16));return o}(),{parts:t,zoneId:p}},t.IPv6.parser=function(t){var n,e,i,a,s,p,u;if(o.native.test(t))return r(t,8);if((a=t.match(o.transitional))&&(u=a[6]||"",(n=r(a[1].slice(0,-1)+u,6)).parts)){for(e=0,i=(p=[parseInt(a[2]),parseInt(a[3]),parseInt(a[4]),parseInt(a[5])]).length;e<i;e++)if(!(0<=(s=p[e])&&s<=255))return null;return n.parts.push(p[0]<<8|p[1]),n.parts.push(p[2]<<8|p[3]),{parts:n.parts,zoneId:n.zoneId}}return null},t.IPv4.isIPv4=t.IPv6.isIPv6=function(r){return null!==this.parser(r)},t.IPv4.isValid=function(r){try{return new this(this.parser(r)),!0}catch(r){return r,!1}},t.IPv4.isValidFourPartDecimal=function(r){return!(!t.IPv4.isValid(r)||!r.match(/^(0|[1-9]\d*)(\.(0|[1-9]\d*)){3}$/))},t.IPv6.isValid=function(r){var t;if("string"==typeof r&&-1===r.indexOf(":"))return!1;try{return t=this.parser(r),new this(t.parts,t.zoneId),!0}catch(r){return r,!1}},t.IPv4.parse=function(r){var t;if(null===(t=this.parser(r)))throw new Error("ipaddr: string is not formatted like ip address");return new this(t)},t.IPv6.parse=function(r){var t;if(null===(t=this.parser(r)).parts)throw new Error("ipaddr: string is not formatted like ip address");return new this(t.parts,t.zoneId)},t.IPv4.parseCIDR=function(r){var t,n,e;if((n=r.match(/^(.+)\/(\d+)$/))&&(t=parseInt(n[2]))>=0&&t<=32)return e=[this.parse(n[1]),t],Object.defineProperty(e,"toString",{value:function(){return this.join("/")}}),e;throw new Error("ipaddr: string is not formatted like an IPv4 CIDR range")},t.IPv4.subnetMaskFromPrefixLength=function(r){var t,n,e;if((r=parseInt(r))<0||r>32)throw new Error("ipaddr: invalid IPv4 prefix length");for(e=[0,0,0,0],n=0,t=Math.floor(r/8);n<t;)e[n]=255,n++;return t<4&&(e[t]=Math.pow(2,r%8)-1<<8-r%8),new this(e)},t.IPv4.broadcastAddressFromCIDR=function(r){var t,n,e,i,o;try{for(e=(t=this.parseCIDR(r))[0].toByteArray(),o=this.subnetMaskFromPrefixLength(t[1]).toByteArray(),i=[],n=0;n<4;)i.push(parseInt(e[n],10)|255^parseInt(o[n],10)),n++;return new this(i)}catch(r){throw r,new Error("ipaddr: the address does not have IPv4 CIDR format")}},t.IPv4.networkAddressFromCIDR=function(r){var t,n,e,i,o;try{for(e=(t=this.parseCIDR(r))[0].toByteArray(),o=this.subnetMaskFromPrefixLength(t[1]).toByteArray(),i=[],n=0;n<4;)i.push(parseInt(e[n],10)&parseInt(o[n],10)),n++;return new this(i)}catch(r){throw r,new Error("ipaddr: the address does not have IPv4 CIDR format")}},t.IPv6.parseCIDR=function(r){var t,n,e;if((n=r.match(/^(.+)\/(\d+)$/))&&(t=parseInt(n[2]))>=0&&t<=128)return e=[this.parse(n[1]),t],Object.defineProperty(e,"toString",{value:function(){return this.join("/")}}),e;throw new Error("ipaddr: string is not formatted like an IPv6 CIDR range")},t.isValid=function(r){return t.IPv6.isValid(r)||t.IPv4.isValid(r)},t.parse=function(r){if(t.IPv6.isValid(r))return t.IPv6.parse(r);if(t.IPv4.isValid(r))return t.IPv4.parse(r);throw new Error("ipaddr: the address has neither IPv6 nor IPv4 format")},t.parseCIDR=function(r){try{return t.IPv6.parseCIDR(r)}catch(n){n;try{return t.IPv4.parseCIDR(r)}catch(r){throw r,new Error("ipaddr: the address has neither IPv6 nor IPv4 CIDR format")}}},t.fromByteArray=function(r){var n;if(4===(n=r.length))return new t.IPv4(r);if(16===n)return new t.IPv6(r);throw new Error("ipaddr: the binary input is neither an IPv6 nor IPv4 address")},t.process=function(r){var t;return t=this.parse(r),"ipv6"===t.kind()&&t.isIPv4MappedAddress()?t.toIPv4Address():t}}).call(this);
\ No newline at end of file
diff --git a/node_modules/ipaddr.js/lib/ipaddr.js b/node_modules/ipaddr.js/lib/ipaddr.js
new file mode 100644
index 000000000..18bd93b5e
--- /dev/null
+++ b/node_modules/ipaddr.js/lib/ipaddr.js
@@ -0,0 +1,673 @@
+(function() {
+  var expandIPv6, ipaddr, ipv4Part, ipv4Regexes, ipv6Part, ipv6Regexes, matchCIDR, root, zoneIndex;
+
+  ipaddr = {};
+
+  root = this;
+
+  if ((typeof module !== "undefined" && module !== null) && module.exports) {
+    module.exports = ipaddr;
+  } else {
+    root['ipaddr'] = ipaddr;
+  }
+
+  matchCIDR = function(first, second, partSize, cidrBits) {
+    var part, shift;
+    if (first.length !== second.length) {
+      throw new Error("ipaddr: cannot match CIDR for objects with different lengths");
+    }
+    part = 0;
+    while (cidrBits > 0) {
+      shift = partSize - cidrBits;
+      if (shift < 0) {
+        shift = 0;
+      }
+      if (first[part] >> shift !== second[part] >> shift) {
+        return false;
+      }
+      cidrBits -= partSize;
+      part += 1;
+    }
+    return true;
+  };
+
+  ipaddr.subnetMatch = function(address, rangeList, defaultName) {
+    var k, len, rangeName, rangeSubnets, subnet;
+    if (defaultName == null) {
+      defaultName = 'unicast';
+    }
+    for (rangeName in rangeList) {
+      rangeSubnets = rangeList[rangeName];
+      if (rangeSubnets[0] && !(rangeSubnets[0] instanceof Array)) {
+        rangeSubnets = [rangeSubnets];
+      }
+      for (k = 0, len = rangeSubnets.length; k < len; k++) {
+        subnet = rangeSubnets[k];
+        if (address.kind() === subnet[0].kind()) {
+          if (address.match.apply(address, subnet)) {
+            return rangeName;
+          }
+        }
+      }
+    }
+    return defaultName;
+  };
+
+  ipaddr.IPv4 = (function() {
+    function IPv4(octets) {
+      var k, len, octet;
+      if (octets.length !== 4) {
+        throw new Error("ipaddr: ipv4 octet count should be 4");
+      }
+      for (k = 0, len = octets.length; k < len; k++) {
+        octet = octets[k];
+        if (!((0 <= octet && octet <= 255))) {
+          throw new Error("ipaddr: ipv4 octet should fit in 8 bits");
+        }
+      }
+      this.octets = octets;
+    }
+
+    IPv4.prototype.kind = function() {
+      return 'ipv4';
+    };
+
+    IPv4.prototype.toString = function() {
+      return this.octets.join(".");
+    };
+
+    IPv4.prototype.toNormalizedString = function() {
+      return this.toString();
+    };
+
+    IPv4.prototype.toByteArray = function() {
+      return this.octets.slice(0);
+    };
+
+    IPv4.prototype.match = function(other, cidrRange) {
+      var ref;
+      if (cidrRange === void 0) {
+        ref = other, other = ref[0], cidrRange = ref[1];
+      }
+      if (other.kind() !== 'ipv4') {
+        throw new Error("ipaddr: cannot match ipv4 address with non-ipv4 one");
+      }
+      return matchCIDR(this.octets, other.octets, 8, cidrRange);
+    };
+
+    IPv4.prototype.SpecialRanges = {
+      unspecified: [[new IPv4([0, 0, 0, 0]), 8]],
+      broadcast: [[new IPv4([255, 255, 255, 255]), 32]],
+      multicast: [[new IPv4([224, 0, 0, 0]), 4]],
+      linkLocal: [[new IPv4([169, 254, 0, 0]), 16]],
+      loopback: [[new IPv4([127, 0, 0, 0]), 8]],
+      carrierGradeNat: [[new IPv4([100, 64, 0, 0]), 10]],
+      "private": [[new IPv4([10, 0, 0, 0]), 8], [new IPv4([172, 16, 0, 0]), 12], [new IPv4([192, 168, 0, 0]), 16]],
+      reserved: [[new IPv4([192, 0, 0, 0]), 24], [new IPv4([192, 0, 2, 0]), 24], [new IPv4([192, 88, 99, 0]), 24], [new IPv4([198, 51, 100, 0]), 24], [new IPv4([203, 0, 113, 0]), 24], [new IPv4([240, 0, 0, 0]), 4]]
+    };
+
+    IPv4.prototype.range = function() {
+      return ipaddr.subnetMatch(this, this.SpecialRanges);
+    };
+
+    IPv4.prototype.toIPv4MappedAddress = function() {
+      return ipaddr.IPv6.parse("::ffff:" + (this.toString()));
+    };
+
+    IPv4.prototype.prefixLengthFromSubnetMask = function() {
+      var cidr, i, k, octet, stop, zeros, zerotable;
+      zerotable = {
+        0: 8,
+        128: 7,
+        192: 6,
+        224: 5,
+        240: 4,
+        248: 3,
+        252: 2,
+        254: 1,
+        255: 0
+      };
+      cidr = 0;
+      stop = false;
+      for (i = k = 3; k >= 0; i = k += -1) {
+        octet = this.octets[i];
+        if (octet in zerotable) {
+          zeros = zerotable[octet];
+          if (stop && zeros !== 0) {
+            return null;
+          }
+          if (zeros !== 8) {
+            stop = true;
+          }
+          cidr += zeros;
+        } else {
+          return null;
+        }
+      }
+      return 32 - cidr;
+    };
+
+    return IPv4;
+
+  })();
+
+  ipv4Part = "(0?\\d+|0x[a-f0-9]+)";
+
+  ipv4Regexes = {
+    fourOctet: new RegExp("^" + ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part + "$", 'i'),
+    longValue: new RegExp("^" + ipv4Part + "$", 'i')
+  };
+
+  ipaddr.IPv4.parser = function(string) {
+    var match, parseIntAuto, part, shift, value;
+    parseIntAuto = function(string) {
+      if (string[0] === "0" && string[1] !== "x") {
+        return parseInt(string, 8);
+      } else {
+        return parseInt(string);
+      }
+    };
+    if (match = string.match(ipv4Regexes.fourOctet)) {
+      return (function() {
+        var k, len, ref, results;
+        ref = match.slice(1, 6);
+        results = [];
+        for (k = 0, len = ref.length; k < len; k++) {
+          part = ref[k];
+          results.push(parseIntAuto(part));
+        }
+        return results;
+      })();
+    } else if (match = string.match(ipv4Regexes.longValue)) {
+      value = parseIntAuto(match[1]);
+      if (value > 0xffffffff || value < 0) {
+        throw new Error("ipaddr: address outside defined range");
+      }
+      return ((function() {
+        var k, results;
+        results = [];
+        for (shift = k = 0; k <= 24; shift = k += 8) {
+          results.push((value >> shift) & 0xff);
+        }
+        return results;
+      })()).reverse();
+    } else {
+      return null;
+    }
+  };
+
+  ipaddr.IPv6 = (function() {
+    function IPv6(parts, zoneId) {
+      var i, k, l, len, part, ref;
+      if (parts.length === 16) {
+        this.parts = [];
+        for (i = k = 0; k <= 14; i = k += 2) {
+          this.parts.push((parts[i] << 8) | parts[i + 1]);
+        }
+      } else if (parts.length === 8) {
+        this.parts = parts;
+      } else {
+        throw new Error("ipaddr: ipv6 part count should be 8 or 16");
+      }
+      ref = this.parts;
+      for (l = 0, len = ref.length; l < len; l++) {
+        part = ref[l];
+        if (!((0 <= part && part <= 0xffff))) {
+          throw new Error("ipaddr: ipv6 part should fit in 16 bits");
+        }
+      }
+      if (zoneId) {
+        this.zoneId = zoneId;
+      }
+    }
+
+    IPv6.prototype.kind = function() {
+      return 'ipv6';
+    };
+
+    IPv6.prototype.toString = function() {
+      return this.toNormalizedString().replace(/((^|:)(0(:|$))+)/, '::');
+    };
+
+    IPv6.prototype.toRFC5952String = function() {
+      var bestMatchIndex, bestMatchLength, match, regex, string;
+      regex = /((^|:)(0(:|$)){2,})/g;
+      string = this.toNormalizedString();
+      bestMatchIndex = 0;
+      bestMatchLength = -1;
+      while ((match = regex.exec(string))) {
+        if (match[0].length > bestMatchLength) {
+          bestMatchIndex = match.index;
+          bestMatchLength = match[0].length;
+        }
+      }
+      if (bestMatchLength < 0) {
+        return string;
+      }
+      return string.substring(0, bestMatchIndex) + '::' + string.substring(bestMatchIndex + bestMatchLength);
+    };
+
+    IPv6.prototype.toByteArray = function() {
+      var bytes, k, len, part, ref;
+      bytes = [];
+      ref = this.parts;
+      for (k = 0, len = ref.length; k < len; k++) {
+        part = ref[k];
+        bytes.push(part >> 8);
+        bytes.push(part & 0xff);
+      }
+      return bytes;
+    };
+
+    IPv6.prototype.toNormalizedString = function() {
+      var addr, part, suffix;
+      addr = ((function() {
+        var k, len, ref, results;
+        ref = this.parts;
+        results = [];
+        for (k = 0, len = ref.length; k < len; k++) {
+          part = ref[k];
+          results.push(part.toString(16));
+        }
+        return results;
+      }).call(this)).join(":");
+      suffix = '';
+      if (this.zoneId) {
+        suffix = '%' + this.zoneId;
+      }
+      return addr + suffix;
+    };
+
+    IPv6.prototype.toFixedLengthString = function() {
+      var addr, part, suffix;
+      addr = ((function() {
+        var k, len, ref, results;
+        ref = this.parts;
+        results = [];
+        for (k = 0, len = ref.length; k < len; k++) {
+          part = ref[k];
+          results.push(part.toString(16).padStart(4, '0'));
+        }
+        return results;
+      }).call(this)).join(":");
+      suffix = '';
+      if (this.zoneId) {
+        suffix = '%' + this.zoneId;
+      }
+      return addr + suffix;
+    };
+
+    IPv6.prototype.match = function(other, cidrRange) {
+      var ref;
+      if (cidrRange === void 0) {
+        ref = other, other = ref[0], cidrRange = ref[1];
+      }
+      if (other.kind() !== 'ipv6') {
+        throw new Error("ipaddr: cannot match ipv6 address with non-ipv6 one");
+      }
+      return matchCIDR(this.parts, other.parts, 16, cidrRange);
+    };
+
+    IPv6.prototype.SpecialRanges = {
+      unspecified: [new IPv6([0, 0, 0, 0, 0, 0, 0, 0]), 128],
+      linkLocal: [new IPv6([0xfe80, 0, 0, 0, 0, 0, 0, 0]), 10],
+      multicast: [new IPv6([0xff00, 0, 0, 0, 0, 0, 0, 0]), 8],
+      loopback: [new IPv6([0, 0, 0, 0, 0, 0, 0, 1]), 128],
+      uniqueLocal: [new IPv6([0xfc00, 0, 0, 0, 0, 0, 0, 0]), 7],
+      ipv4Mapped: [new IPv6([0, 0, 0, 0, 0, 0xffff, 0, 0]), 96],
+      rfc6145: [new IPv6([0, 0, 0, 0, 0xffff, 0, 0, 0]), 96],
+      rfc6052: [new IPv6([0x64, 0xff9b, 0, 0, 0, 0, 0, 0]), 96],
+      '6to4': [new IPv6([0x2002, 0, 0, 0, 0, 0, 0, 0]), 16],
+      teredo: [new IPv6([0x2001, 0, 0, 0, 0, 0, 0, 0]), 32],
+      reserved: [[new IPv6([0x2001, 0xdb8, 0, 0, 0, 0, 0, 0]), 32]]
+    };
+
+    IPv6.prototype.range = function() {
+      return ipaddr.subnetMatch(this, this.SpecialRanges);
+    };
+
+    IPv6.prototype.isIPv4MappedAddress = function() {
+      return this.range() === 'ipv4Mapped';
+    };
+
+    IPv6.prototype.toIPv4Address = function() {
+      var high, low, ref;
+      if (!this.isIPv4MappedAddress()) {
+        throw new Error("ipaddr: trying to convert a generic ipv6 address to ipv4");
+      }
+      ref = this.parts.slice(-2), high = ref[0], low = ref[1];
+      return new ipaddr.IPv4([high >> 8, high & 0xff, low >> 8, low & 0xff]);
+    };
+
+    IPv6.prototype.prefixLengthFromSubnetMask = function() {
+      var cidr, i, k, part, stop, zeros, zerotable;
+      zerotable = {
+        0: 16,
+        32768: 15,
+        49152: 14,
+        57344: 13,
+        61440: 12,
+        63488: 11,
+        64512: 10,
+        65024: 9,
+        65280: 8,
+        65408: 7,
+        65472: 6,
+        65504: 5,
+        65520: 4,
+        65528: 3,
+        65532: 2,
+        65534: 1,
+        65535: 0
+      };
+      cidr = 0;
+      stop = false;
+      for (i = k = 7; k >= 0; i = k += -1) {
+        part = this.parts[i];
+        if (part in zerotable) {
+          zeros = zerotable[part];
+          if (stop && zeros !== 0) {
+            return null;
+          }
+          if (zeros !== 16) {
+            stop = true;
+          }
+          cidr += zeros;
+        } else {
+          return null;
+        }
+      }
+      return 128 - cidr;
+    };
+
+    return IPv6;
+
+  })();
+
+  ipv6Part = "(?:[0-9a-f]+::?)+";
+
+  zoneIndex = "%[0-9a-z]{1,}";
+
+  ipv6Regexes = {
+    zoneIndex: new RegExp(zoneIndex, 'i'),
+    "native": new RegExp("^(::)?(" + ipv6Part + ")?([0-9a-f]+)?(::)?(" + zoneIndex + ")?$", 'i'),
+    transitional: new RegExp(("^((?:" + ipv6Part + ")|(?:::)(?:" + ipv6Part + ")?)") + (ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part + "\\." + ipv4Part) + ("(" + zoneIndex + ")?$"), 'i')
+  };
+
+  expandIPv6 = function(string, parts) {
+    var colonCount, lastColon, part, replacement, replacementCount, zoneId;
+    if (string.indexOf('::') !== string.lastIndexOf('::')) {
+      return null;
+    }
+    zoneId = (string.match(ipv6Regexes['zoneIndex']) || [])[0];
+    if (zoneId) {
+      zoneId = zoneId.substring(1);
+      string = string.replace(/%.+$/, '');
+    }
+    colonCount = 0;
+    lastColon = -1;
+    while ((lastColon = string.indexOf(':', lastColon + 1)) >= 0) {
+      colonCount++;
+    }
+    if (string.substr(0, 2) === '::') {
+      colonCount--;
+    }
+    if (string.substr(-2, 2) === '::') {
+      colonCount--;
+    }
+    if (colonCount > parts) {
+      return null;
+    }
+    replacementCount = parts - colonCount;
+    replacement = ':';
+    while (replacementCount--) {
+      replacement += '0:';
+    }
+    string = string.replace('::', replacement);
+    if (string[0] === ':') {
+      string = string.slice(1);
+    }
+    if (string[string.length - 1] === ':') {
+      string = string.slice(0, -1);
+    }
+    parts = (function() {
+      var k, len, ref, results;
+      ref = string.split(":");
+      results = [];
+      for (k = 0, len = ref.length; k < len; k++) {
+        part = ref[k];
+        results.push(parseInt(part, 16));
+      }
+      return results;
+    })();
+    return {
+      parts: parts,
+      zoneId: zoneId
+    };
+  };
+
+  ipaddr.IPv6.parser = function(string) {
+    var addr, k, len, match, octet, octets, zoneId;
+    if (ipv6Regexes['native'].test(string)) {
+      return expandIPv6(string, 8);
+    } else if (match = string.match(ipv6Regexes['transitional'])) {
+      zoneId = match[6] || '';
+      addr = expandIPv6(match[1].slice(0, -1) + zoneId, 6);
+      if (addr.parts) {
+        octets = [parseInt(match[2]), parseInt(match[3]), parseInt(match[4]), parseInt(match[5])];
+        for (k = 0, len = octets.length; k < len; k++) {
+          octet = octets[k];
+          if (!((0 <= octet && octet <= 255))) {
+            return null;
+          }
+        }
+        addr.parts.push(octets[0] << 8 | octets[1]);
+        addr.parts.push(octets[2] << 8 | octets[3]);
+        return {
+          parts: addr.parts,
+          zoneId: addr.zoneId
+        };
+      }
+    }
+    return null;
+  };
+
+  ipaddr.IPv4.isIPv4 = ipaddr.IPv6.isIPv6 = function(string) {
+    return this.parser(string) !== null;
+  };
+
+  ipaddr.IPv4.isValid = function(string) {
+    var e;
+    try {
+      new this(this.parser(string));
+      return true;
+    } catch (error1) {
+      e = error1;
+      return false;
+    }
+  };
+
+  ipaddr.IPv4.isValidFourPartDecimal = function(string) {
+    if (ipaddr.IPv4.isValid(string) && string.match(/^(0|[1-9]\d*)(\.(0|[1-9]\d*)){3}$/)) {
+      return true;
+    } else {
+      return false;
+    }
+  };
+
+  ipaddr.IPv6.isValid = function(string) {
+    var addr, e;
+    if (typeof string === "string" && string.indexOf(":") === -1) {
+      return false;
+    }
+    try {
+      addr = this.parser(string);
+      new this(addr.parts, addr.zoneId);
+      return true;
+    } catch (error1) {
+      e = error1;
+      return false;
+    }
+  };
+
+  ipaddr.IPv4.parse = function(string) {
+    var parts;
+    parts = this.parser(string);
+    if (parts === null) {
+      throw new Error("ipaddr: string is not formatted like ip address");
+    }
+    return new this(parts);
+  };
+
+  ipaddr.IPv6.parse = function(string) {
+    var addr;
+    addr = this.parser(string);
+    if (addr.parts === null) {
+      throw new Error("ipaddr: string is not formatted like ip address");
+    }
+    return new this(addr.parts, addr.zoneId);
+  };
+
+  ipaddr.IPv4.parseCIDR = function(string) {
+    var maskLength, match, parsed;
+    if (match = string.match(/^(.+)\/(\d+)$/)) {
+      maskLength = parseInt(match[2]);
+      if (maskLength >= 0 && maskLength <= 32) {
+        parsed = [this.parse(match[1]), maskLength];
+        Object.defineProperty(parsed, 'toString', {
+          value: function() {
+            return this.join('/');
+          }
+        });
+        return parsed;
+      }
+    }
+    throw new Error("ipaddr: string is not formatted like an IPv4 CIDR range");
+  };
+
+  ipaddr.IPv4.subnetMaskFromPrefixLength = function(prefix) {
+    var filledOctetCount, j, octets;
+    prefix = parseInt(prefix);
+    if (prefix < 0 || prefix > 32) {
+      throw new Error('ipaddr: invalid IPv4 prefix length');
+    }
+    octets = [0, 0, 0, 0];
+    j = 0;
+    filledOctetCount = Math.floor(prefix / 8);
+    while (j < filledOctetCount) {
+      octets[j] = 255;
+      j++;
+    }
+    if (filledOctetCount < 4) {
+      octets[filledOctetCount] = Math.pow(2, prefix % 8) - 1 << 8 - (prefix % 8);
+    }
+    return new this(octets);
+  };
+
+  ipaddr.IPv4.broadcastAddressFromCIDR = function(string) {
+    var cidr, error, i, ipInterfaceOctets, octets, subnetMaskOctets;
+    try {
+      cidr = this.parseCIDR(string);
+      ipInterfaceOctets = cidr[0].toByteArray();
+      subnetMaskOctets = this.subnetMaskFromPrefixLength(cidr[1]).toByteArray();
+      octets = [];
+      i = 0;
+      while (i < 4) {
+        octets.push(parseInt(ipInterfaceOctets[i], 10) | parseInt(subnetMaskOctets[i], 10) ^ 255);
+        i++;
+      }
+      return new this(octets);
+    } catch (error1) {
+      error = error1;
+      throw new Error('ipaddr: the address does not have IPv4 CIDR format');
+    }
+  };
+
+  ipaddr.IPv4.networkAddressFromCIDR = function(string) {
+    var cidr, error, i, ipInterfaceOctets, octets, subnetMaskOctets;
+    try {
+      cidr = this.parseCIDR(string);
+      ipInterfaceOctets = cidr[0].toByteArray();
+      subnetMaskOctets = this.subnetMaskFromPrefixLength(cidr[1]).toByteArray();
+      octets = [];
+      i = 0;
+      while (i < 4) {
+        octets.push(parseInt(ipInterfaceOctets[i], 10) & parseInt(subnetMaskOctets[i], 10));
+        i++;
+      }
+      return new this(octets);
+    } catch (error1) {
+      error = error1;
+      throw new Error('ipaddr: the address does not have IPv4 CIDR format');
+    }
+  };
+
+  ipaddr.IPv6.parseCIDR = function(string) {
+    var maskLength, match, parsed;
+    if (match = string.match(/^(.+)\/(\d+)$/)) {
+      maskLength = parseInt(match[2]);
+      if (maskLength >= 0 && maskLength <= 128) {
+        parsed = [this.parse(match[1]), maskLength];
+        Object.defineProperty(parsed, 'toString', {
+          value: function() {
+            return this.join('/');
+          }
+        });
+        return parsed;
+      }
+    }
+    throw new Error("ipaddr: string is not formatted like an IPv6 CIDR range");
+  };
+
+  ipaddr.isValid = function(string) {
+    return ipaddr.IPv6.isValid(string) || ipaddr.IPv4.isValid(string);
+  };
+
+  ipaddr.parse = function(string) {
+    if (ipaddr.IPv6.isValid(string)) {
+      return ipaddr.IPv6.parse(string);
+    } else if (ipaddr.IPv4.isValid(string)) {
+      return ipaddr.IPv4.parse(string);
+    } else {
+      throw new Error("ipaddr: the address has neither IPv6 nor IPv4 format");
+    }
+  };
+
+  ipaddr.parseCIDR = function(string) {
+    var e;
+    try {
+      return ipaddr.IPv6.parseCIDR(string);
+    } catch (error1) {
+      e = error1;
+      try {
+        return ipaddr.IPv4.parseCIDR(string);
+      } catch (error1) {
+        e = error1;
+        throw new Error("ipaddr: the address has neither IPv6 nor IPv4 CIDR format");
+      }
+    }
+  };
+
+  ipaddr.fromByteArray = function(bytes) {
+    var length;
+    length = bytes.length;
+    if (length === 4) {
+      return new ipaddr.IPv4(bytes);
+    } else if (length === 16) {
+      return new ipaddr.IPv6(bytes);
+    } else {
+      throw new Error("ipaddr: the binary input is neither an IPv6 nor IPv4 address");
+    }
+  };
+
+  ipaddr.process = function(string) {
+    var addr;
+    addr = this.parse(string);
+    if (addr.kind() === 'ipv6' && addr.isIPv4MappedAddress()) {
+      return addr.toIPv4Address();
+    } else {
+      return addr;
+    }
+  };
+
+}).call(this);
diff --git a/node_modules/ipaddr.js/lib/ipaddr.js.d.ts b/node_modules/ipaddr.js/lib/ipaddr.js.d.ts
new file mode 100644
index 000000000..52174b6b6
--- /dev/null
+++ b/node_modules/ipaddr.js/lib/ipaddr.js.d.ts
@@ -0,0 +1,68 @@
+declare module "ipaddr.js" {
+    type IPv4Range = 'unicast' | 'unspecified' | 'broadcast' | 'multicast' | 'linkLocal' | 'loopback' | 'carrierGradeNat' | 'private' | 'reserved';
+    type IPv6Range = 'unicast' | 'unspecified' | 'linkLocal' | 'multicast' | 'loopback' | 'uniqueLocal' | 'ipv4Mapped' | 'rfc6145' | 'rfc6052' | '6to4' | 'teredo' | 'reserved';
+
+    interface RangeList<T> {
+        [name: string]: [T, number] | [T, number][];
+    }
+
+    // Common methods/properties for IPv4 and IPv6 classes.
+    class IP {
+        prefixLengthFromSubnetMask(): number | null;
+        toByteArray(): number[];
+        toNormalizedString(): string;
+        toString(): string;
+    }
+
+    namespace Address {
+        export function isValid(addr: string): boolean;
+        export function fromByteArray(bytes: number[]): IPv4 | IPv6;
+        export function parse(addr: string): IPv4 | IPv6;
+        export function parseCIDR(mask: string): [IPv4 | IPv6, number];
+        export function process(addr: string): IPv4 | IPv6;
+        export function subnetMatch(addr: IPv4, rangeList: RangeList<IPv4>, defaultName?: string): string;
+        export function subnetMatch(addr: IPv6, rangeList: RangeList<IPv6>, defaultName?: string): string;
+
+        export class IPv4 extends IP {
+            static broadcastAddressFromCIDR(addr: string): IPv4;
+            static isIPv4(addr: string): boolean;
+            static isValidFourPartDecimal(addr: string): boolean;
+            static isValid(addr: string): boolean;
+            static networkAddressFromCIDR(addr: string): IPv4;
+            static parse(addr: string): IPv4;
+            static parseCIDR(addr: string): [IPv4, number];
+            static subnetMaskFromPrefixLength(prefix: number): IPv4;
+            constructor(octets: number[]);
+            octets: number[]
+
+            kind(): 'ipv4';
+            match(addr: IPv4, bits: number): boolean;
+            match(mask: [IPv4, number]): boolean;
+            range(): IPv4Range;
+            subnetMatch(rangeList: RangeList<IPv4>, defaultName?: string): string;
+            toIPv4MappedAddress(): IPv6;
+        }
+
+        export class IPv6 extends IP {
+            static broadcastAddressFromCIDR(addr: string): IPv6;
+            static isIPv6(addr: string): boolean;
+            static isValid(addr: string): boolean;
+            static parse(addr: string): IPv6;
+            static parseCIDR(addr: string): [IPv6, number];
+            static subnetMaskFromPrefixLength(prefix: number): IPv6;
+            constructor(parts: number[]);
+            parts: number[]
+            zoneId?: string
+
+            isIPv4MappedAddress(): boolean;
+            kind(): 'ipv6';
+            match(addr: IPv6, bits: number): boolean;
+            match(mask: [IPv6, number]): boolean;
+            range(): IPv6Range;
+            subnetMatch(rangeList: RangeList<IPv6>, defaultName?: string): string;
+            toIPv4Address(): IPv4;
+        }
+    }
+
+    export = Address;
+}
diff --git a/node_modules/ipaddr.js/package.json b/node_modules/ipaddr.js/package.json
new file mode 100644
index 000000000..f4d35475d
--- /dev/null
+++ b/node_modules/ipaddr.js/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "ipaddr.js",
+  "description": "A library for manipulating IPv4 and IPv6 addresses in JavaScript.",
+  "version": "1.9.1",
+  "author": "whitequark <whitequark@whitequark.org>",
+  "directories": {
+    "lib": "./lib"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "coffee-script": "~1.12.6",
+    "nodeunit": "^0.11.3",
+    "uglify-js": "~3.0.19"
+  },
+  "scripts": {
+    "test": "cake build test"
+  },
+  "files": [
+    "lib/",
+    "LICENSE",
+    "ipaddr.min.js"
+  ],
+  "keywords": [
+    "ip",
+    "ipv4",
+    "ipv6"
+  ],
+  "repository": "git://github.com/whitequark/ipaddr.js",
+  "main": "./lib/ipaddr.js",
+  "engines": {
+    "node": ">= 0.10"
+  },
+  "license": "MIT",
+  "types": "./lib/ipaddr.js.d.ts"
+}
diff --git a/node_modules/is-typedarray/LICENSE.md b/node_modules/is-typedarray/LICENSE.md
new file mode 100644
index 000000000..ee27ba4b4
--- /dev/null
+++ b/node_modules/is-typedarray/LICENSE.md
@@ -0,0 +1,18 @@
+This software is released under the MIT license:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/is-typedarray/README.md b/node_modules/is-typedarray/README.md
new file mode 100644
index 000000000..275286391
--- /dev/null
+++ b/node_modules/is-typedarray/README.md
@@ -0,0 +1,16 @@
+# is-typedarray [![locked](http://badges.github.io/stability-badges/dist/locked.svg)](http://github.com/badges/stability-badges)
+
+Detect whether or not an object is a
+[Typed Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Typed_arrays).
+
+## Usage
+
+[![NPM](https://nodei.co/npm/is-typedarray.png)](https://nodei.co/npm/is-typedarray/)
+
+### isTypedArray(array)
+
+Returns `true` when array is a Typed Array, and `false` when it is not.
+
+## License
+
+MIT. See [LICENSE.md](http://github.com/hughsk/is-typedarray/blob/master/LICENSE.md) for details.
diff --git a/node_modules/is-typedarray/index.js b/node_modules/is-typedarray/index.js
new file mode 100644
index 000000000..58596036c
--- /dev/null
+++ b/node_modules/is-typedarray/index.js
@@ -0,0 +1,41 @@
+module.exports      = isTypedArray
+isTypedArray.strict = isStrictTypedArray
+isTypedArray.loose  = isLooseTypedArray
+
+var toString = Object.prototype.toString
+var names = {
+    '[object Int8Array]': true
+  , '[object Int16Array]': true
+  , '[object Int32Array]': true
+  , '[object Uint8Array]': true
+  , '[object Uint8ClampedArray]': true
+  , '[object Uint16Array]': true
+  , '[object Uint32Array]': true
+  , '[object Float32Array]': true
+  , '[object Float64Array]': true
+}
+
+function isTypedArray(arr) {
+  return (
+       isStrictTypedArray(arr)
+    || isLooseTypedArray(arr)
+  )
+}
+
+function isStrictTypedArray(arr) {
+  return (
+       arr instanceof Int8Array
+    || arr instanceof Int16Array
+    || arr instanceof Int32Array
+    || arr instanceof Uint8Array
+    || arr instanceof Uint8ClampedArray
+    || arr instanceof Uint16Array
+    || arr instanceof Uint32Array
+    || arr instanceof Float32Array
+    || arr instanceof Float64Array
+  )
+}
+
+function isLooseTypedArray(arr) {
+  return names[toString.call(arr)]
+}
diff --git a/node_modules/is-typedarray/package.json b/node_modules/is-typedarray/package.json
new file mode 100644
index 000000000..37f7ae31c
--- /dev/null
+++ b/node_modules/is-typedarray/package.json
@@ -0,0 +1,30 @@
+{
+  "name": "is-typedarray",
+  "version": "1.0.0",
+  "description": "Detect whether or not an object is a Typed Array",
+  "main": "index.js",
+  "scripts": {
+    "test": "node test"
+  },
+  "author": "Hugh Kennedy <hughskennedy@gmail.com> (http://hughsk.io/)",
+  "license": "MIT",
+  "dependencies": {},
+  "devDependencies": {
+    "tape": "^2.13.1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/hughsk/is-typedarray.git"
+  },
+  "keywords": [
+    "typed",
+    "array",
+    "detect",
+    "is",
+    "util"
+  ],
+  "bugs": {
+    "url": "https://github.com/hughsk/is-typedarray/issues"
+  },
+  "homepage": "https://github.com/hughsk/is-typedarray"
+}
diff --git a/node_modules/is-typedarray/test.js b/node_modules/is-typedarray/test.js
new file mode 100644
index 000000000..b0c176fa3
--- /dev/null
+++ b/node_modules/is-typedarray/test.js
@@ -0,0 +1,34 @@
+var test = require('tape')
+var ista = require('./')
+
+test('strict', function(t) {
+  t.ok(ista.strict(new Int8Array), 'Int8Array')
+  t.ok(ista.strict(new Int16Array), 'Int16Array')
+  t.ok(ista.strict(new Int32Array), 'Int32Array')
+  t.ok(ista.strict(new Uint8Array), 'Uint8Array')
+  t.ok(ista.strict(new Uint16Array), 'Uint16Array')
+  t.ok(ista.strict(new Uint32Array), 'Uint32Array')
+  t.ok(ista.strict(new Float32Array), 'Float32Array')
+  t.ok(ista.strict(new Float64Array), 'Float64Array')
+
+  t.ok(!ista.strict(new Array), 'Array')
+  t.ok(!ista.strict([]), '[]')
+
+  t.end()
+})
+
+test('loose', function(t) {
+  t.ok(ista.loose(new Int8Array), 'Int8Array')
+  t.ok(ista.loose(new Int16Array), 'Int16Array')
+  t.ok(ista.loose(new Int32Array), 'Int32Array')
+  t.ok(ista.loose(new Uint8Array), 'Uint8Array')
+  t.ok(ista.loose(new Uint16Array), 'Uint16Array')
+  t.ok(ista.loose(new Uint32Array), 'Uint32Array')
+  t.ok(ista.loose(new Float32Array), 'Float32Array')
+  t.ok(ista.loose(new Float64Array), 'Float64Array')
+
+  t.ok(!ista.loose(new Array), 'Array')
+  t.ok(!ista.loose([]), '[]')
+
+  t.end()
+})
diff --git a/node_modules/isstream/.jshintrc b/node_modules/isstream/.jshintrc
new file mode 100644
index 000000000..c8ef3ca40
--- /dev/null
+++ b/node_modules/isstream/.jshintrc
@@ -0,0 +1,59 @@
+{
+    "predef": [ ]
+  , "bitwise": false
+  , "camelcase": false
+  , "curly": false
+  , "eqeqeq": false
+  , "forin": false
+  , "immed": false
+  , "latedef": false
+  , "noarg": true
+  , "noempty": true
+  , "nonew": true
+  , "plusplus": false
+  , "quotmark": true
+  , "regexp": false
+  , "undef": true
+  , "unused": true
+  , "strict": false
+  , "trailing": true
+  , "maxlen": 120
+  , "asi": true
+  , "boss": true
+  , "debug": true
+  , "eqnull": true
+  , "esnext": true
+  , "evil": true
+  , "expr": true
+  , "funcscope": false
+  , "globalstrict": false
+  , "iterator": false
+  , "lastsemic": true
+  , "laxbreak": true
+  , "laxcomma": true
+  , "loopfunc": true
+  , "multistr": false
+  , "onecase": false
+  , "proto": false
+  , "regexdash": false
+  , "scripturl": true
+  , "smarttabs": false
+  , "shadow": false
+  , "sub": true
+  , "supernew": false
+  , "validthis": true
+  , "browser": true
+  , "couch": false
+  , "devel": false
+  , "dojo": false
+  , "mootools": false
+  , "node": true
+  , "nonstandard": true
+  , "prototypejs": false
+  , "rhino": false
+  , "worker": true
+  , "wsh": false
+  , "nomen": false
+  , "onevar": false
+  , "passfail": false
+}
\ No newline at end of file
diff --git a/node_modules/isstream/.npmignore b/node_modules/isstream/.npmignore
new file mode 100644
index 000000000..aa1ec1ea0
--- /dev/null
+++ b/node_modules/isstream/.npmignore
@@ -0,0 +1 @@
+*.tgz
diff --git a/node_modules/isstream/.travis.yml b/node_modules/isstream/.travis.yml
new file mode 100644
index 000000000..1fec2ab9a
--- /dev/null
+++ b/node_modules/isstream/.travis.yml
@@ -0,0 +1,12 @@
+language: node_js
+node_js:
+  - "0.8"
+  - "0.10"
+  - "0.11"
+branches:
+  only:
+    - master
+notifications:
+  email:
+    - rod@vagg.org
+script: npm test
diff --git a/node_modules/isstream/LICENSE.md b/node_modules/isstream/LICENSE.md
new file mode 100644
index 000000000..43f7153f9
--- /dev/null
+++ b/node_modules/isstream/LICENSE.md
@@ -0,0 +1,11 @@
+The MIT License (MIT)
+=====================
+
+Copyright (c) 2015 Rod Vagg
+---------------------------
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/isstream/README.md b/node_modules/isstream/README.md
new file mode 100644
index 000000000..06770e82f
--- /dev/null
+++ b/node_modules/isstream/README.md
@@ -0,0 +1,66 @@
+# isStream
+
+[![Build Status](https://secure.travis-ci.org/rvagg/isstream.png)](http://travis-ci.org/rvagg/isstream)
+
+**Test if an object is a `Stream`**
+
+[![NPM](https://nodei.co/npm/isstream.svg)](https://nodei.co/npm/isstream/)
+
+The missing `Stream.isStream(obj)`: determine if an object is standard Node.js `Stream`. Works for Node-core `Stream` objects (for 0.8, 0.10, 0.11, and in theory, older and newer versions) and all versions of **[readable-stream](https://github.com/isaacs/readable-stream)**.
+
+## Usage:
+
+```js
+var isStream = require('isstream')
+var Stream = require('stream')
+
+isStream(new Stream()) // true
+
+isStream({}) // false
+
+isStream(new Stream.Readable())    // true
+isStream(new Stream.Writable())    // true
+isStream(new Stream.Duplex())      // true
+isStream(new Stream.Transform())   // true
+isStream(new Stream.PassThrough()) // true
+```
+
+## But wait! There's more!
+
+You can also test for `isReadable(obj)`, `isWritable(obj)` and `isDuplex(obj)` to test for implementations of Streams2 (and Streams3) base classes.
+
+```js
+var isReadable = require('isstream').isReadable
+var isWritable = require('isstream').isWritable
+var isDuplex = require('isstream').isDuplex
+var Stream = require('stream')
+
+isReadable(new Stream()) // false
+isWritable(new Stream()) // false
+isDuplex(new Stream())   // false
+
+isReadable(new Stream.Readable())    // true
+isReadable(new Stream.Writable())    // false
+isReadable(new Stream.Duplex())      // true
+isReadable(new Stream.Transform())   // true
+isReadable(new Stream.PassThrough()) // true
+
+isWritable(new Stream.Readable())    // false
+isWritable(new Stream.Writable())    // true
+isWritable(new Stream.Duplex())      // true
+isWritable(new Stream.Transform())   // true
+isWritable(new Stream.PassThrough()) // true
+
+isDuplex(new Stream.Readable())    // false
+isDuplex(new Stream.Writable())    // false
+isDuplex(new Stream.Duplex())      // true
+isDuplex(new Stream.Transform())   // true
+isDuplex(new Stream.PassThrough()) // true
+```
+
+*Reminder: when implementing your own streams, please [use **readable-stream** rather than core streams](http://r.va.gg/2014/06/why-i-dont-use-nodes-core-stream-module.html).*
+
+
+## License
+
+**isStream** is Copyright (c) 2015 Rod Vagg [@rvagg](https://twitter.com/rvagg) and licenced under the MIT licence. All rights not explicitly granted in the MIT license are reserved. See the included LICENSE.md file for more details.
diff --git a/node_modules/isstream/isstream.js b/node_modules/isstream/isstream.js
new file mode 100644
index 000000000..a1d104a7a
--- /dev/null
+++ b/node_modules/isstream/isstream.js
@@ -0,0 +1,27 @@
+var stream = require('stream')
+
+
+function isStream (obj) {
+  return obj instanceof stream.Stream
+}
+
+
+function isReadable (obj) {
+  return isStream(obj) && typeof obj._read == 'function' && typeof obj._readableState == 'object'
+}
+
+
+function isWritable (obj) {
+  return isStream(obj) && typeof obj._write == 'function' && typeof obj._writableState == 'object'
+}
+
+
+function isDuplex (obj) {
+  return isReadable(obj) && isWritable(obj)
+}
+
+
+module.exports            = isStream
+module.exports.isReadable = isReadable
+module.exports.isWritable = isWritable
+module.exports.isDuplex   = isDuplex
diff --git a/node_modules/isstream/package.json b/node_modules/isstream/package.json
new file mode 100644
index 000000000..9ee8bf824
--- /dev/null
+++ b/node_modules/isstream/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "isstream",
+  "version": "0.1.2",
+  "description": "Determine if an object is a Stream",
+  "main": "isstream.js",
+  "scripts": {
+    "test": "tar --xform 's/^package/readable-stream-1.0/' -zxf readable-stream-1.0.*.tgz && tar --xform 's/^package/readable-stream-1.1/' -zxf readable-stream-1.1.*.tgz && node test.js; rm -rf readable-stream-1.?/"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/rvagg/isstream.git"
+  },
+  "keywords": [
+    "stream",
+    "type",
+    "streams",
+    "readable-stream",
+    "hippo"
+  ],
+  "devDependencies": {
+    "tape": "~2.12.3",
+    "core-util-is": "~1.0.0",
+    "isarray": "0.0.1",
+    "string_decoder": "~0.10.x",
+    "inherits": "~2.0.1"
+  },
+  "author": "Rod Vagg <rod@vagg.org>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/rvagg/isstream/issues"
+  },
+  "homepage": "https://github.com/rvagg/isstream"
+}
diff --git a/node_modules/isstream/test.js b/node_modules/isstream/test.js
new file mode 100644
index 000000000..8c950c55e
--- /dev/null
+++ b/node_modules/isstream/test.js
@@ -0,0 +1,168 @@
+var tape             = require('tape')
+  , EE               = require('events').EventEmitter
+  , util             = require('util')
+
+
+  , isStream         = require('./')
+  , isReadable       = require('./').isReadable
+  , isWritable       = require('./').isWritable
+  , isDuplex         = require('./').isDuplex
+
+  , CoreStreams      = require('stream')
+  , ReadableStream10 = require('./readable-stream-1.0/')
+  , ReadableStream11 = require('./readable-stream-1.1/')
+
+
+function test (pass, type, stream) {
+  tape('isStream('  + type + ')', function (t) {
+    t.plan(1)
+    t.ok(pass === isStream(stream), type)
+  })
+}
+
+
+function testReadable (pass, type, stream) {
+  tape('isReadable('  + type + ')', function (t) {
+    t.plan(1)
+    t.ok(pass === isReadable(stream), type)
+  })
+}
+
+
+function testWritable (pass, type, stream) {
+  tape('isWritable('  + type + ')', function (t) {
+    t.plan(1)
+    t.ok(pass === isWritable(stream), type)
+  })
+}
+
+
+function testDuplex (pass, type, stream) {
+  tape('isDuplex('  + type + ')', function (t) {
+    t.plan(1)
+    t.ok(pass === isDuplex(stream), type)
+  })
+}
+
+
+[ undefined, null, '', true, false, 0, 1, 1.0, 'string', {}, function foo () {} ].forEach(function (o) {
+  test(false, 'non-stream / primitive: ' + (JSON.stringify(o) || (o && o.toString()) || o), o)
+})
+
+
+test(false, 'fake stream obj', { pipe: function () {} })
+
+
+;(function () {
+
+  // looks like a stream!
+
+  function Stream () {
+    EE.call(this)
+  }
+  util.inherits(Stream, EE)
+  Stream.prototype.pipe = function () {}
+  Stream.Stream = Stream
+
+  test(false, 'fake stream "new Stream()"', new Stream())
+
+}())
+
+
+test(true, 'CoreStreams.Stream', new (CoreStreams.Stream)())
+test(true, 'CoreStreams.Readable', new (CoreStreams.Readable)())
+test(true, 'CoreStreams.Writable', new (CoreStreams.Writable)())
+test(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
+test(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
+test(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())
+
+test(true, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
+test(true, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
+test(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
+test(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
+test(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())
+
+test(true, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
+test(true, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
+test(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
+test(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
+test(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())
+
+
+testReadable(false, 'CoreStreams.Stream', new (CoreStreams.Stream)())
+testReadable(true, 'CoreStreams.Readable', new (CoreStreams.Readable)())
+testReadable(false, 'CoreStreams.Writable', new (CoreStreams.Writable)())
+testReadable(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
+testReadable(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
+testReadable(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())
+
+testReadable(true, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
+testReadable(false, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
+testReadable(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
+testReadable(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
+testReadable(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())
+
+testReadable(true, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
+testReadable(false, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
+testReadable(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
+testReadable(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
+testReadable(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())
+
+
+testWritable(false, 'CoreStreams.Stream', new (CoreStreams.Stream)())
+testWritable(false, 'CoreStreams.Readable', new (CoreStreams.Readable)())
+testWritable(true, 'CoreStreams.Writable', new (CoreStreams.Writable)())
+testWritable(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
+testWritable(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
+testWritable(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())
+
+testWritable(false, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
+testWritable(true, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
+testWritable(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
+testWritable(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
+testWritable(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())
+
+testWritable(false, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
+testWritable(true, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
+testWritable(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
+testWritable(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
+testWritable(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())
+
+
+testDuplex(false, 'CoreStreams.Stream', new (CoreStreams.Stream)())
+testDuplex(false, 'CoreStreams.Readable', new (CoreStreams.Readable)())
+testDuplex(false, 'CoreStreams.Writable', new (CoreStreams.Writable)())
+testDuplex(true, 'CoreStreams.Duplex', new (CoreStreams.Duplex)())
+testDuplex(true, 'CoreStreams.Transform', new (CoreStreams.Transform)())
+testDuplex(true, 'CoreStreams.PassThrough', new (CoreStreams.PassThrough)())
+
+testDuplex(false, 'ReadableStream10.Readable', new (ReadableStream10.Readable)())
+testDuplex(false, 'ReadableStream10.Writable', new (ReadableStream10.Writable)())
+testDuplex(true, 'ReadableStream10.Duplex', new (ReadableStream10.Duplex)())
+testDuplex(true, 'ReadableStream10.Transform', new (ReadableStream10.Transform)())
+testDuplex(true, 'ReadableStream10.PassThrough', new (ReadableStream10.PassThrough)())
+
+testDuplex(false, 'ReadableStream11.Readable', new (ReadableStream11.Readable)())
+testDuplex(false, 'ReadableStream11.Writable', new (ReadableStream11.Writable)())
+testDuplex(true, 'ReadableStream11.Duplex', new (ReadableStream11.Duplex)())
+testDuplex(true, 'ReadableStream11.Transform', new (ReadableStream11.Transform)())
+testDuplex(true, 'ReadableStream11.PassThrough', new (ReadableStream11.PassThrough)())
+
+
+;[ CoreStreams, ReadableStream10, ReadableStream11 ].forEach(function (p) {
+  [ 'Stream', 'Readable', 'Writable', 'Duplex', 'Transform', 'PassThrough' ].forEach(function (k) {
+    if (!p[k])
+      return
+
+    function SubStream () {
+      p[k].call(this)
+    }
+    util.inherits(SubStream, p[k])
+
+    test(true, 'Stream subclass: ' + p.name + '.' + k, new SubStream())
+
+  })
+})
+
+
+
diff --git a/node_modules/jsbn/.npmignore b/node_modules/jsbn/.npmignore
new file mode 100644
index 000000000..28f1ba756
--- /dev/null
+++ b/node_modules/jsbn/.npmignore
@@ -0,0 +1,2 @@
+node_modules
+.DS_Store
\ No newline at end of file
diff --git a/node_modules/jsbn/LICENSE b/node_modules/jsbn/LICENSE
new file mode 100644
index 000000000..2a6457e9e
--- /dev/null
+++ b/node_modules/jsbn/LICENSE
@@ -0,0 +1,40 @@
+Licensing
+---------
+
+This software is covered under the following copyright:
+
+/*
+ * Copyright (c) 2003-2005  Tom Wu
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
+ *
+ * IN NO EVENT SHALL TOM WU BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
+ * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT ADVISED OF
+ * THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * In addition, the following condition applies:
+ *
+ * All redistributions must retain an intact copy of this copyright notice
+ * and disclaimer.
+ */
+
+Address all questions regarding this license to:
+
+  Tom Wu
+  tjw@cs.Stanford.EDU
\ No newline at end of file
diff --git a/node_modules/jsbn/README.md b/node_modules/jsbn/README.md
new file mode 100644
index 000000000..7aac67f53
--- /dev/null
+++ b/node_modules/jsbn/README.md
@@ -0,0 +1,175 @@
+# jsbn: javascript big number
+
+[Tom Wu's Original Website](http://www-cs-students.stanford.edu/~tjw/jsbn/)
+
+I felt compelled to put this on github and publish to npm. I haven't tested every other big integer library out there, but the few that I have tested in comparison to this one have not even come close in performance. I am aware of the `bi` module on npm, however it has been modified and I wanted to publish the original without modifications. This is jsbn and jsbn2 from Tom Wu's original website above, with the modular pattern applied to prevent global leaks and to allow for use with node.js on the server side.
+
+## usage
+
+    var BigInteger = require('jsbn');
+    
+    var a = new BigInteger('91823918239182398123');
+    alert(a.bitLength()); // 67
+
+
+## API
+
+### bi.toString()
+
+returns the base-10 number as a string
+
+### bi.negate()
+
+returns a new BigInteger equal to the negation of `bi`
+
+### bi.abs
+
+returns new BI of absolute value
+
+### bi.compareTo
+
+
+
+### bi.bitLength
+
+
+
+### bi.mod
+
+
+
+### bi.modPowInt
+
+
+
+### bi.clone
+
+
+
+### bi.intValue
+
+
+
+### bi.byteValue
+
+
+
+### bi.shortValue
+
+
+
+### bi.signum
+
+
+
+### bi.toByteArray
+
+
+
+### bi.equals
+
+
+
+### bi.min
+
+
+
+### bi.max
+
+
+
+### bi.and
+
+
+
+### bi.or
+
+
+
+### bi.xor
+
+
+
+### bi.andNot
+
+
+
+### bi.not
+
+
+
+### bi.shiftLeft
+
+
+
+### bi.shiftRight
+
+
+
+### bi.getLowestSetBit
+
+
+
+### bi.bitCount
+
+
+
+### bi.testBit
+
+
+
+### bi.setBit
+
+
+
+### bi.clearBit
+
+
+
+### bi.flipBit
+
+
+
+### bi.add
+
+
+
+### bi.subtract
+
+
+
+### bi.multiply
+
+
+
+### bi.divide
+
+
+
+### bi.remainder
+
+
+
+### bi.divideAndRemainder
+
+
+
+### bi.modPow
+
+
+
+### bi.modInverse
+
+
+
+### bi.pow
+
+
+
+### bi.gcd
+
+
+
+### bi.isProbablePrime
+
+
diff --git a/node_modules/jsbn/example.html b/node_modules/jsbn/example.html
new file mode 100644
index 000000000..7c26a5665
--- /dev/null
+++ b/node_modules/jsbn/example.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="en">
+    <head>
+        <meta charset="utf-8">
+        <title></title>
+    </head>
+    <body>
+        
+        
+        <script src="index.js"></script>
+    </body>
+</html>
\ No newline at end of file
diff --git a/node_modules/jsbn/example.js b/node_modules/jsbn/example.js
new file mode 100644
index 000000000..664c1b455
--- /dev/null
+++ b/node_modules/jsbn/example.js
@@ -0,0 +1,3 @@
+var BigInteger = require('./');
+var a = new BigInteger('91823918239182398123');
+console.log(a.bitLength());
\ No newline at end of file
diff --git a/node_modules/jsbn/index.js b/node_modules/jsbn/index.js
new file mode 100644
index 000000000..973226ddf
--- /dev/null
+++ b/node_modules/jsbn/index.js
@@ -0,0 +1,1357 @@
+(function(){
+
+    // Copyright (c) 2005  Tom Wu
+    // All Rights Reserved.
+    // See "LICENSE" for details.
+
+    // Basic JavaScript BN library - subset useful for RSA encryption.
+
+    // Bits per digit
+    var dbits;
+
+    // JavaScript engine analysis
+    var canary = 0xdeadbeefcafe;
+    var j_lm = ((canary&0xffffff)==0xefcafe);
+
+    // (public) Constructor
+    function BigInteger(a,b,c) {
+      if(a != null)
+        if("number" == typeof a) this.fromNumber(a,b,c);
+        else if(b == null && "string" != typeof a) this.fromString(a,256);
+        else this.fromString(a,b);
+    }
+
+    // return new, unset BigInteger
+    function nbi() { return new BigInteger(null); }
+
+    // am: Compute w_j += (x*this_i), propagate carries,
+    // c is initial carry, returns final carry.
+    // c < 3*dvalue, x < 2*dvalue, this_i < dvalue
+    // We need to select the fastest one that works in this environment.
+
+    // am1: use a single mult and divide to get the high bits,
+    // max digit bits should be 26 because
+    // max internal value = 2*dvalue^2-2*dvalue (< 2^53)
+    function am1(i,x,w,j,c,n) {
+      while(--n >= 0) {
+        var v = x*this[i++]+w[j]+c;
+        c = Math.floor(v/0x4000000);
+        w[j++] = v&0x3ffffff;
+      }
+      return c;
+    }
+    // am2 avoids a big mult-and-extract completely.
+    // Max digit bits should be <= 30 because we do bitwise ops
+    // on values up to 2*hdvalue^2-hdvalue-1 (< 2^31)
+    function am2(i,x,w,j,c,n) {
+      var xl = x&0x7fff, xh = x>>15;
+      while(--n >= 0) {
+        var l = this[i]&0x7fff;
+        var h = this[i++]>>15;
+        var m = xh*l+h*xl;
+        l = xl*l+((m&0x7fff)<<15)+w[j]+(c&0x3fffffff);
+        c = (l>>>30)+(m>>>15)+xh*h+(c>>>30);
+        w[j++] = l&0x3fffffff;
+      }
+      return c;
+    }
+    // Alternately, set max digit bits to 28 since some
+    // browsers slow down when dealing with 32-bit numbers.
+    function am3(i,x,w,j,c,n) {
+      var xl = x&0x3fff, xh = x>>14;
+      while(--n >= 0) {
+        var l = this[i]&0x3fff;
+        var h = this[i++]>>14;
+        var m = xh*l+h*xl;
+        l = xl*l+((m&0x3fff)<<14)+w[j]+c;
+        c = (l>>28)+(m>>14)+xh*h;
+        w[j++] = l&0xfffffff;
+      }
+      return c;
+    }
+    var inBrowser = typeof navigator !== "undefined";
+    if(inBrowser && j_lm && (navigator.appName == "Microsoft Internet Explorer")) {
+      BigInteger.prototype.am = am2;
+      dbits = 30;
+    }
+    else if(inBrowser && j_lm && (navigator.appName != "Netscape")) {
+      BigInteger.prototype.am = am1;
+      dbits = 26;
+    }
+    else { // Mozilla/Netscape seems to prefer am3
+      BigInteger.prototype.am = am3;
+      dbits = 28;
+    }
+
+    BigInteger.prototype.DB = dbits;
+    BigInteger.prototype.DM = ((1<<dbits)-1);
+    BigInteger.prototype.DV = (1<<dbits);
+
+    var BI_FP = 52;
+    BigInteger.prototype.FV = Math.pow(2,BI_FP);
+    BigInteger.prototype.F1 = BI_FP-dbits;
+    BigInteger.prototype.F2 = 2*dbits-BI_FP;
+
+    // Digit conversions
+    var BI_RM = "0123456789abcdefghijklmnopqrstuvwxyz";
+    var BI_RC = new Array();
+    var rr,vv;
+    rr = "0".charCodeAt(0);
+    for(vv = 0; vv <= 9; ++vv) BI_RC[rr++] = vv;
+    rr = "a".charCodeAt(0);
+    for(vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv;
+    rr = "A".charCodeAt(0);
+    for(vv = 10; vv < 36; ++vv) BI_RC[rr++] = vv;
+
+    function int2char(n) { return BI_RM.charAt(n); }
+    function intAt(s,i) {
+      var c = BI_RC[s.charCodeAt(i)];
+      return (c==null)?-1:c;
+    }
+
+    // (protected) copy this to r
+    function bnpCopyTo(r) {
+      for(var i = this.t-1; i >= 0; --i) r[i] = this[i];
+      r.t = this.t;
+      r.s = this.s;
+    }
+
+    // (protected) set from integer value x, -DV <= x < DV
+    function bnpFromInt(x) {
+      this.t = 1;
+      this.s = (x<0)?-1:0;
+      if(x > 0) this[0] = x;
+      else if(x < -1) this[0] = x+this.DV;
+      else this.t = 0;
+    }
+
+    // return bigint initialized to value
+    function nbv(i) { var r = nbi(); r.fromInt(i); return r; }
+
+    // (protected) set from string and radix
+    function bnpFromString(s,b) {
+      var k;
+      if(b == 16) k = 4;
+      else if(b == 8) k = 3;
+      else if(b == 256) k = 8; // byte array
+      else if(b == 2) k = 1;
+      else if(b == 32) k = 5;
+      else if(b == 4) k = 2;
+      else { this.fromRadix(s,b); return; }
+      this.t = 0;
+      this.s = 0;
+      var i = s.length, mi = false, sh = 0;
+      while(--i >= 0) {
+        var x = (k==8)?s[i]&0xff:intAt(s,i);
+        if(x < 0) {
+          if(s.charAt(i) == "-") mi = true;
+          continue;
+        }
+        mi = false;
+        if(sh == 0)
+          this[this.t++] = x;
+        else if(sh+k > this.DB) {
+          this[this.t-1] |= (x&((1<<(this.DB-sh))-1))<<sh;
+          this[this.t++] = (x>>(this.DB-sh));
+        }
+        else
+          this[this.t-1] |= x<<sh;
+        sh += k;
+        if(sh >= this.DB) sh -= this.DB;
+      }
+      if(k == 8 && (s[0]&0x80) != 0) {
+        this.s = -1;
+        if(sh > 0) this[this.t-1] |= ((1<<(this.DB-sh))-1)<<sh;
+      }
+      this.clamp();
+      if(mi) BigInteger.ZERO.subTo(this,this);
+    }
+
+    // (protected) clamp off excess high words
+    function bnpClamp() {
+      var c = this.s&this.DM;
+      while(this.t > 0 && this[this.t-1] == c) --this.t;
+    }
+
+    // (public) return string representation in given radix
+    function bnToString(b) {
+      if(this.s < 0) return "-"+this.negate().toString(b);
+      var k;
+      if(b == 16) k = 4;
+      else if(b == 8) k = 3;
+      else if(b == 2) k = 1;
+      else if(b == 32) k = 5;
+      else if(b == 4) k = 2;
+      else return this.toRadix(b);
+      var km = (1<<k)-1, d, m = false, r = "", i = this.t;
+      var p = this.DB-(i*this.DB)%k;
+      if(i-- > 0) {
+        if(p < this.DB && (d = this[i]>>p) > 0) { m = true; r = int2char(d); }
+        while(i >= 0) {
+          if(p < k) {
+            d = (this[i]&((1<<p)-1))<<(k-p);
+            d |= this[--i]>>(p+=this.DB-k);
+          }
+          else {
+            d = (this[i]>>(p-=k))&km;
+            if(p <= 0) { p += this.DB; --i; }
+          }
+          if(d > 0) m = true;
+          if(m) r += int2char(d);
+        }
+      }
+      return m?r:"0";
+    }
+
+    // (public) -this
+    function bnNegate() { var r = nbi(); BigInteger.ZERO.subTo(this,r); return r; }
+
+    // (public) |this|
+    function bnAbs() { return (this.s<0)?this.negate():this; }
+
+    // (public) return + if this > a, - if this < a, 0 if equal
+    function bnCompareTo(a) {
+      var r = this.s-a.s;
+      if(r != 0) return r;
+      var i = this.t;
+      r = i-a.t;
+      if(r != 0) return (this.s<0)?-r:r;
+      while(--i >= 0) if((r=this[i]-a[i]) != 0) return r;
+      return 0;
+    }
+
+    // returns bit length of the integer x
+    function nbits(x) {
+      var r = 1, t;
+      if((t=x>>>16) != 0) { x = t; r += 16; }
+      if((t=x>>8) != 0) { x = t; r += 8; }
+      if((t=x>>4) != 0) { x = t; r += 4; }
+      if((t=x>>2) != 0) { x = t; r += 2; }
+      if((t=x>>1) != 0) { x = t; r += 1; }
+      return r;
+    }
+
+    // (public) return the number of bits in "this"
+    function bnBitLength() {
+      if(this.t <= 0) return 0;
+      return this.DB*(this.t-1)+nbits(this[this.t-1]^(this.s&this.DM));
+    }
+
+    // (protected) r = this << n*DB
+    function bnpDLShiftTo(n,r) {
+      var i;
+      for(i = this.t-1; i >= 0; --i) r[i+n] = this[i];
+      for(i = n-1; i >= 0; --i) r[i] = 0;
+      r.t = this.t+n;
+      r.s = this.s;
+    }
+
+    // (protected) r = this >> n*DB
+    function bnpDRShiftTo(n,r) {
+      for(var i = n; i < this.t; ++i) r[i-n] = this[i];
+      r.t = Math.max(this.t-n,0);
+      r.s = this.s;
+    }
+
+    // (protected) r = this << n
+    function bnpLShiftTo(n,r) {
+      var bs = n%this.DB;
+      var cbs = this.DB-bs;
+      var bm = (1<<cbs)-1;
+      var ds = Math.floor(n/this.DB), c = (this.s<<bs)&this.DM, i;
+      for(i = this.t-1; i >= 0; --i) {
+        r[i+ds+1] = (this[i]>>cbs)|c;
+        c = (this[i]&bm)<<bs;
+      }
+      for(i = ds-1; i >= 0; --i) r[i] = 0;
+      r[ds] = c;
+      r.t = this.t+ds+1;
+      r.s = this.s;
+      r.clamp();
+    }
+
+    // (protected) r = this >> n
+    function bnpRShiftTo(n,r) {
+      r.s = this.s;
+      var ds = Math.floor(n/this.DB);
+      if(ds >= this.t) { r.t = 0; return; }
+      var bs = n%this.DB;
+      var cbs = this.DB-bs;
+      var bm = (1<<bs)-1;
+      r[0] = this[ds]>>bs;
+      for(var i = ds+1; i < this.t; ++i) {
+        r[i-ds-1] |= (this[i]&bm)<<cbs;
+        r[i-ds] = this[i]>>bs;
+      }
+      if(bs > 0) r[this.t-ds-1] |= (this.s&bm)<<cbs;
+      r.t = this.t-ds;
+      r.clamp();
+    }
+
+    // (protected) r = this - a
+    function bnpSubTo(a,r) {
+      var i = 0, c = 0, m = Math.min(a.t,this.t);
+      while(i < m) {
+        c += this[i]-a[i];
+        r[i++] = c&this.DM;
+        c >>= this.DB;
+      }
+      if(a.t < this.t) {
+        c -= a.s;
+        while(i < this.t) {
+          c += this[i];
+          r[i++] = c&this.DM;
+          c >>= this.DB;
+        }
+        c += this.s;
+      }
+      else {
+        c += this.s;
+        while(i < a.t) {
+          c -= a[i];
+          r[i++] = c&this.DM;
+          c >>= this.DB;
+        }
+        c -= a.s;
+      }
+      r.s = (c<0)?-1:0;
+      if(c < -1) r[i++] = this.DV+c;
+      else if(c > 0) r[i++] = c;
+      r.t = i;
+      r.clamp();
+    }
+
+    // (protected) r = this * a, r != this,a (HAC 14.12)
+    // "this" should be the larger one if appropriate.
+    function bnpMultiplyTo(a,r) {
+      var x = this.abs(), y = a.abs();
+      var i = x.t;
+      r.t = i+y.t;
+      while(--i >= 0) r[i] = 0;
+      for(i = 0; i < y.t; ++i) r[i+x.t] = x.am(0,y[i],r,i,0,x.t);
+      r.s = 0;
+      r.clamp();
+      if(this.s != a.s) BigInteger.ZERO.subTo(r,r);
+    }
+
+    // (protected) r = this^2, r != this (HAC 14.16)
+    function bnpSquareTo(r) {
+      var x = this.abs();
+      var i = r.t = 2*x.t;
+      while(--i >= 0) r[i] = 0;
+      for(i = 0; i < x.t-1; ++i) {
+        var c = x.am(i,x[i],r,2*i,0,1);
+        if((r[i+x.t]+=x.am(i+1,2*x[i],r,2*i+1,c,x.t-i-1)) >= x.DV) {
+          r[i+x.t] -= x.DV;
+          r[i+x.t+1] = 1;
+        }
+      }
+      if(r.t > 0) r[r.t-1] += x.am(i,x[i],r,2*i,0,1);
+      r.s = 0;
+      r.clamp();
+    }
+
+    // (protected) divide this by m, quotient and remainder to q, r (HAC 14.20)
+    // r != q, this != m.  q or r may be null.
+    function bnpDivRemTo(m,q,r) {
+      var pm = m.abs();
+      if(pm.t <= 0) return;
+      var pt = this.abs();
+      if(pt.t < pm.t) {
+        if(q != null) q.fromInt(0);
+        if(r != null) this.copyTo(r);
+        return;
+      }
+      if(r == null) r = nbi();
+      var y = nbi(), ts = this.s, ms = m.s;
+      var nsh = this.DB-nbits(pm[pm.t-1]);   // normalize modulus
+      if(nsh > 0) { pm.lShiftTo(nsh,y); pt.lShiftTo(nsh,r); }
+      else { pm.copyTo(y); pt.copyTo(r); }
+      var ys = y.t;
+      var y0 = y[ys-1];
+      if(y0 == 0) return;
+      var yt = y0*(1<<this.F1)+((ys>1)?y[ys-2]>>this.F2:0);
+      var d1 = this.FV/yt, d2 = (1<<this.F1)/yt, e = 1<<this.F2;
+      var i = r.t, j = i-ys, t = (q==null)?nbi():q;
+      y.dlShiftTo(j,t);
+      if(r.compareTo(t) >= 0) {
+        r[r.t++] = 1;
+        r.subTo(t,r);
+      }
+      BigInteger.ONE.dlShiftTo(ys,t);
+      t.subTo(y,y);  // "negative" y so we can replace sub with am later
+      while(y.t < ys) y[y.t++] = 0;
+      while(--j >= 0) {
+        // Estimate quotient digit
+        var qd = (r[--i]==y0)?this.DM:Math.floor(r[i]*d1+(r[i-1]+e)*d2);
+        if((r[i]+=y.am(0,qd,r,j,0,ys)) < qd) {   // Try it out
+          y.dlShiftTo(j,t);
+          r.subTo(t,r);
+          while(r[i] < --qd) r.subTo(t,r);
+        }
+      }
+      if(q != null) {
+        r.drShiftTo(ys,q);
+        if(ts != ms) BigInteger.ZERO.subTo(q,q);
+      }
+      r.t = ys;
+      r.clamp();
+      if(nsh > 0) r.rShiftTo(nsh,r); // Denormalize remainder
+      if(ts < 0) BigInteger.ZERO.subTo(r,r);
+    }
+
+    // (public) this mod a
+    function bnMod(a) {
+      var r = nbi();
+      this.abs().divRemTo(a,null,r);
+      if(this.s < 0 && r.compareTo(BigInteger.ZERO) > 0) a.subTo(r,r);
+      return r;
+    }
+
+    // Modular reduction using "classic" algorithm
+    function Classic(m) { this.m = m; }
+    function cConvert(x) {
+      if(x.s < 0 || x.compareTo(this.m) >= 0) return x.mod(this.m);
+      else return x;
+    }
+    function cRevert(x) { return x; }
+    function cReduce(x) { x.divRemTo(this.m,null,x); }
+    function cMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
+    function cSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
+
+    Classic.prototype.convert = cConvert;
+    Classic.prototype.revert = cRevert;
+    Classic.prototype.reduce = cReduce;
+    Classic.prototype.mulTo = cMulTo;
+    Classic.prototype.sqrTo = cSqrTo;
+
+    // (protected) return "-1/this % 2^DB"; useful for Mont. reduction
+    // justification:
+    //         xy == 1 (mod m)
+    //         xy =  1+km
+    //   xy(2-xy) = (1+km)(1-km)
+    // x[y(2-xy)] = 1-k^2m^2
+    // x[y(2-xy)] == 1 (mod m^2)
+    // if y is 1/x mod m, then y(2-xy) is 1/x mod m^2
+    // should reduce x and y(2-xy) by m^2 at each step to keep size bounded.
+    // JS multiply "overflows" differently from C/C++, so care is needed here.
+    function bnpInvDigit() {
+      if(this.t < 1) return 0;
+      var x = this[0];
+      if((x&1) == 0) return 0;
+      var y = x&3;       // y == 1/x mod 2^2
+      y = (y*(2-(x&0xf)*y))&0xf; // y == 1/x mod 2^4
+      y = (y*(2-(x&0xff)*y))&0xff;   // y == 1/x mod 2^8
+      y = (y*(2-(((x&0xffff)*y)&0xffff)))&0xffff;    // y == 1/x mod 2^16
+      // last step - calculate inverse mod DV directly;
+      // assumes 16 < DB <= 32 and assumes ability to handle 48-bit ints
+      y = (y*(2-x*y%this.DV))%this.DV;       // y == 1/x mod 2^dbits
+      // we really want the negative inverse, and -DV < y < DV
+      return (y>0)?this.DV-y:-y;
+    }
+
+    // Montgomery reduction
+    function Montgomery(m) {
+      this.m = m;
+      this.mp = m.invDigit();
+      this.mpl = this.mp&0x7fff;
+      this.mph = this.mp>>15;
+      this.um = (1<<(m.DB-15))-1;
+      this.mt2 = 2*m.t;
+    }
+
+    // xR mod m
+    function montConvert(x) {
+      var r = nbi();
+      x.abs().dlShiftTo(this.m.t,r);
+      r.divRemTo(this.m,null,r);
+      if(x.s < 0 && r.compareTo(BigInteger.ZERO) > 0) this.m.subTo(r,r);
+      return r;
+    }
+
+    // x/R mod m
+    function montRevert(x) {
+      var r = nbi();
+      x.copyTo(r);
+      this.reduce(r);
+      return r;
+    }
+
+    // x = x/R mod m (HAC 14.32)
+    function montReduce(x) {
+      while(x.t <= this.mt2) // pad x so am has enough room later
+        x[x.t++] = 0;
+      for(var i = 0; i < this.m.t; ++i) {
+        // faster way of calculating u0 = x[i]*mp mod DV
+        var j = x[i]&0x7fff;
+        var u0 = (j*this.mpl+(((j*this.mph+(x[i]>>15)*this.mpl)&this.um)<<15))&x.DM;
+        // use am to combine the multiply-shift-add into one call
+        j = i+this.m.t;
+        x[j] += this.m.am(0,u0,x,i,0,this.m.t);
+        // propagate carry
+        while(x[j] >= x.DV) { x[j] -= x.DV; x[++j]++; }
+      }
+      x.clamp();
+      x.drShiftTo(this.m.t,x);
+      if(x.compareTo(this.m) >= 0) x.subTo(this.m,x);
+    }
+
+    // r = "x^2/R mod m"; x != r
+    function montSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
+
+    // r = "xy/R mod m"; x,y != r
+    function montMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
+
+    Montgomery.prototype.convert = montConvert;
+    Montgomery.prototype.revert = montRevert;
+    Montgomery.prototype.reduce = montReduce;
+    Montgomery.prototype.mulTo = montMulTo;
+    Montgomery.prototype.sqrTo = montSqrTo;
+
+    // (protected) true iff this is even
+    function bnpIsEven() { return ((this.t>0)?(this[0]&1):this.s) == 0; }
+
+    // (protected) this^e, e < 2^32, doing sqr and mul with "r" (HAC 14.79)
+    function bnpExp(e,z) {
+      if(e > 0xffffffff || e < 1) return BigInteger.ONE;
+      var r = nbi(), r2 = nbi(), g = z.convert(this), i = nbits(e)-1;
+      g.copyTo(r);
+      while(--i >= 0) {
+        z.sqrTo(r,r2);
+        if((e&(1<<i)) > 0) z.mulTo(r2,g,r);
+        else { var t = r; r = r2; r2 = t; }
+      }
+      return z.revert(r);
+    }
+
+    // (public) this^e % m, 0 <= e < 2^32
+    function bnModPowInt(e,m) {
+      var z;
+      if(e < 256 || m.isEven()) z = new Classic(m); else z = new Montgomery(m);
+      return this.exp(e,z);
+    }
+
+    // protected
+    BigInteger.prototype.copyTo = bnpCopyTo;
+    BigInteger.prototype.fromInt = bnpFromInt;
+    BigInteger.prototype.fromString = bnpFromString;
+    BigInteger.prototype.clamp = bnpClamp;
+    BigInteger.prototype.dlShiftTo = bnpDLShiftTo;
+    BigInteger.prototype.drShiftTo = bnpDRShiftTo;
+    BigInteger.prototype.lShiftTo = bnpLShiftTo;
+    BigInteger.prototype.rShiftTo = bnpRShiftTo;
+    BigInteger.prototype.subTo = bnpSubTo;
+    BigInteger.prototype.multiplyTo = bnpMultiplyTo;
+    BigInteger.prototype.squareTo = bnpSquareTo;
+    BigInteger.prototype.divRemTo = bnpDivRemTo;
+    BigInteger.prototype.invDigit = bnpInvDigit;
+    BigInteger.prototype.isEven = bnpIsEven;
+    BigInteger.prototype.exp = bnpExp;
+
+    // public
+    BigInteger.prototype.toString = bnToString;
+    BigInteger.prototype.negate = bnNegate;
+    BigInteger.prototype.abs = bnAbs;
+    BigInteger.prototype.compareTo = bnCompareTo;
+    BigInteger.prototype.bitLength = bnBitLength;
+    BigInteger.prototype.mod = bnMod;
+    BigInteger.prototype.modPowInt = bnModPowInt;
+
+    // "constants"
+    BigInteger.ZERO = nbv(0);
+    BigInteger.ONE = nbv(1);
+
+    // Copyright (c) 2005-2009  Tom Wu
+    // All Rights Reserved.
+    // See "LICENSE" for details.
+
+    // Extended JavaScript BN functions, required for RSA private ops.
+
+    // Version 1.1: new BigInteger("0", 10) returns "proper" zero
+    // Version 1.2: square() API, isProbablePrime fix
+
+    // (public)
+    function bnClone() { var r = nbi(); this.copyTo(r); return r; }
+
+    // (public) return value as integer
+    function bnIntValue() {
+      if(this.s < 0) {
+        if(this.t == 1) return this[0]-this.DV;
+        else if(this.t == 0) return -1;
+      }
+      else if(this.t == 1) return this[0];
+      else if(this.t == 0) return 0;
+      // assumes 16 < DB < 32
+      return ((this[1]&((1<<(32-this.DB))-1))<<this.DB)|this[0];
+    }
+
+    // (public) return value as byte
+    function bnByteValue() { return (this.t==0)?this.s:(this[0]<<24)>>24; }
+
+    // (public) return value as short (assumes DB>=16)
+    function bnShortValue() { return (this.t==0)?this.s:(this[0]<<16)>>16; }
+
+    // (protected) return x s.t. r^x < DV
+    function bnpChunkSize(r) { return Math.floor(Math.LN2*this.DB/Math.log(r)); }
+
+    // (public) 0 if this == 0, 1 if this > 0
+    function bnSigNum() {
+      if(this.s < 0) return -1;
+      else if(this.t <= 0 || (this.t == 1 && this[0] <= 0)) return 0;
+      else return 1;
+    }
+
+    // (protected) convert to radix string
+    function bnpToRadix(b) {
+      if(b == null) b = 10;
+      if(this.signum() == 0 || b < 2 || b > 36) return "0";
+      var cs = this.chunkSize(b);
+      var a = Math.pow(b,cs);
+      var d = nbv(a), y = nbi(), z = nbi(), r = "";
+      this.divRemTo(d,y,z);
+      while(y.signum() > 0) {
+        r = (a+z.intValue()).toString(b).substr(1) + r;
+        y.divRemTo(d,y,z);
+      }
+      return z.intValue().toString(b) + r;
+    }
+
+    // (protected) convert from radix string
+    function bnpFromRadix(s,b) {
+      this.fromInt(0);
+      if(b == null) b = 10;
+      var cs = this.chunkSize(b);
+      var d = Math.pow(b,cs), mi = false, j = 0, w = 0;
+      for(var i = 0; i < s.length; ++i) {
+        var x = intAt(s,i);
+        if(x < 0) {
+          if(s.charAt(i) == "-" && this.signum() == 0) mi = true;
+          continue;
+        }
+        w = b*w+x;
+        if(++j >= cs) {
+          this.dMultiply(d);
+          this.dAddOffset(w,0);
+          j = 0;
+          w = 0;
+        }
+      }
+      if(j > 0) {
+        this.dMultiply(Math.pow(b,j));
+        this.dAddOffset(w,0);
+      }
+      if(mi) BigInteger.ZERO.subTo(this,this);
+    }
+
+    // (protected) alternate constructor
+    function bnpFromNumber(a,b,c) {
+      if("number" == typeof b) {
+        // new BigInteger(int,int,RNG)
+        if(a < 2) this.fromInt(1);
+        else {
+          this.fromNumber(a,c);
+          if(!this.testBit(a-1))	// force MSB set
+            this.bitwiseTo(BigInteger.ONE.shiftLeft(a-1),op_or,this);
+          if(this.isEven()) this.dAddOffset(1,0); // force odd
+          while(!this.isProbablePrime(b)) {
+            this.dAddOffset(2,0);
+            if(this.bitLength() > a) this.subTo(BigInteger.ONE.shiftLeft(a-1),this);
+          }
+        }
+      }
+      else {
+        // new BigInteger(int,RNG)
+        var x = new Array(), t = a&7;
+        x.length = (a>>3)+1;
+        b.nextBytes(x);
+        if(t > 0) x[0] &= ((1<<t)-1); else x[0] = 0;
+        this.fromString(x,256);
+      }
+    }
+
+    // (public) convert to bigendian byte array
+    function bnToByteArray() {
+      var i = this.t, r = new Array();
+      r[0] = this.s;
+      var p = this.DB-(i*this.DB)%8, d, k = 0;
+      if(i-- > 0) {
+        if(p < this.DB && (d = this[i]>>p) != (this.s&this.DM)>>p)
+          r[k++] = d|(this.s<<(this.DB-p));
+        while(i >= 0) {
+          if(p < 8) {
+            d = (this[i]&((1<<p)-1))<<(8-p);
+            d |= this[--i]>>(p+=this.DB-8);
+          }
+          else {
+            d = (this[i]>>(p-=8))&0xff;
+            if(p <= 0) { p += this.DB; --i; }
+          }
+          if((d&0x80) != 0) d |= -256;
+          if(k == 0 && (this.s&0x80) != (d&0x80)) ++k;
+          if(k > 0 || d != this.s) r[k++] = d;
+        }
+      }
+      return r;
+    }
+
+    function bnEquals(a) { return(this.compareTo(a)==0); }
+    function bnMin(a) { return(this.compareTo(a)<0)?this:a; }
+    function bnMax(a) { return(this.compareTo(a)>0)?this:a; }
+
+    // (protected) r = this op a (bitwise)
+    function bnpBitwiseTo(a,op,r) {
+      var i, f, m = Math.min(a.t,this.t);
+      for(i = 0; i < m; ++i) r[i] = op(this[i],a[i]);
+      if(a.t < this.t) {
+        f = a.s&this.DM;
+        for(i = m; i < this.t; ++i) r[i] = op(this[i],f);
+        r.t = this.t;
+      }
+      else {
+        f = this.s&this.DM;
+        for(i = m; i < a.t; ++i) r[i] = op(f,a[i]);
+        r.t = a.t;
+      }
+      r.s = op(this.s,a.s);
+      r.clamp();
+    }
+
+    // (public) this & a
+    function op_and(x,y) { return x&y; }
+    function bnAnd(a) { var r = nbi(); this.bitwiseTo(a,op_and,r); return r; }
+
+    // (public) this | a
+    function op_or(x,y) { return x|y; }
+    function bnOr(a) { var r = nbi(); this.bitwiseTo(a,op_or,r); return r; }
+
+    // (public) this ^ a
+    function op_xor(x,y) { return x^y; }
+    function bnXor(a) { var r = nbi(); this.bitwiseTo(a,op_xor,r); return r; }
+
+    // (public) this & ~a
+    function op_andnot(x,y) { return x&~y; }
+    function bnAndNot(a) { var r = nbi(); this.bitwiseTo(a,op_andnot,r); return r; }
+
+    // (public) ~this
+    function bnNot() {
+      var r = nbi();
+      for(var i = 0; i < this.t; ++i) r[i] = this.DM&~this[i];
+      r.t = this.t;
+      r.s = ~this.s;
+      return r;
+    }
+
+    // (public) this << n
+    function bnShiftLeft(n) {
+      var r = nbi();
+      if(n < 0) this.rShiftTo(-n,r); else this.lShiftTo(n,r);
+      return r;
+    }
+
+    // (public) this >> n
+    function bnShiftRight(n) {
+      var r = nbi();
+      if(n < 0) this.lShiftTo(-n,r); else this.rShiftTo(n,r);
+      return r;
+    }
+
+    // return index of lowest 1-bit in x, x < 2^31
+    function lbit(x) {
+      if(x == 0) return -1;
+      var r = 0;
+      if((x&0xffff) == 0) { x >>= 16; r += 16; }
+      if((x&0xff) == 0) { x >>= 8; r += 8; }
+      if((x&0xf) == 0) { x >>= 4; r += 4; }
+      if((x&3) == 0) { x >>= 2; r += 2; }
+      if((x&1) == 0) ++r;
+      return r;
+    }
+
+    // (public) returns index of lowest 1-bit (or -1 if none)
+    function bnGetLowestSetBit() {
+      for(var i = 0; i < this.t; ++i)
+        if(this[i] != 0) return i*this.DB+lbit(this[i]);
+      if(this.s < 0) return this.t*this.DB;
+      return -1;
+    }
+
+    // return number of 1 bits in x
+    function cbit(x) {
+      var r = 0;
+      while(x != 0) { x &= x-1; ++r; }
+      return r;
+    }
+
+    // (public) return number of set bits
+    function bnBitCount() {
+      var r = 0, x = this.s&this.DM;
+      for(var i = 0; i < this.t; ++i) r += cbit(this[i]^x);
+      return r;
+    }
+
+    // (public) true iff nth bit is set
+    function bnTestBit(n) {
+      var j = Math.floor(n/this.DB);
+      if(j >= this.t) return(this.s!=0);
+      return((this[j]&(1<<(n%this.DB)))!=0);
+    }
+
+    // (protected) this op (1<<n)
+    function bnpChangeBit(n,op) {
+      var r = BigInteger.ONE.shiftLeft(n);
+      this.bitwiseTo(r,op,r);
+      return r;
+    }
+
+    // (public) this | (1<<n)
+    function bnSetBit(n) { return this.changeBit(n,op_or); }
+
+    // (public) this & ~(1<<n)
+    function bnClearBit(n) { return this.changeBit(n,op_andnot); }
+
+    // (public) this ^ (1<<n)
+    function bnFlipBit(n) { return this.changeBit(n,op_xor); }
+
+    // (protected) r = this + a
+    function bnpAddTo(a,r) {
+      var i = 0, c = 0, m = Math.min(a.t,this.t);
+      while(i < m) {
+        c += this[i]+a[i];
+        r[i++] = c&this.DM;
+        c >>= this.DB;
+      }
+      if(a.t < this.t) {
+        c += a.s;
+        while(i < this.t) {
+          c += this[i];
+          r[i++] = c&this.DM;
+          c >>= this.DB;
+        }
+        c += this.s;
+      }
+      else {
+        c += this.s;
+        while(i < a.t) {
+          c += a[i];
+          r[i++] = c&this.DM;
+          c >>= this.DB;
+        }
+        c += a.s;
+      }
+      r.s = (c<0)?-1:0;
+      if(c > 0) r[i++] = c;
+      else if(c < -1) r[i++] = this.DV+c;
+      r.t = i;
+      r.clamp();
+    }
+
+    // (public) this + a
+    function bnAdd(a) { var r = nbi(); this.addTo(a,r); return r; }
+
+    // (public) this - a
+    function bnSubtract(a) { var r = nbi(); this.subTo(a,r); return r; }
+
+    // (public) this * a
+    function bnMultiply(a) { var r = nbi(); this.multiplyTo(a,r); return r; }
+
+    // (public) this^2
+    function bnSquare() { var r = nbi(); this.squareTo(r); return r; }
+
+    // (public) this / a
+    function bnDivide(a) { var r = nbi(); this.divRemTo(a,r,null); return r; }
+
+    // (public) this % a
+    function bnRemainder(a) { var r = nbi(); this.divRemTo(a,null,r); return r; }
+
+    // (public) [this/a,this%a]
+    function bnDivideAndRemainder(a) {
+      var q = nbi(), r = nbi();
+      this.divRemTo(a,q,r);
+      return new Array(q,r);
+    }
+
+    // (protected) this *= n, this >= 0, 1 < n < DV
+    function bnpDMultiply(n) {
+      this[this.t] = this.am(0,n-1,this,0,0,this.t);
+      ++this.t;
+      this.clamp();
+    }
+
+    // (protected) this += n << w words, this >= 0
+    function bnpDAddOffset(n,w) {
+      if(n == 0) return;
+      while(this.t <= w) this[this.t++] = 0;
+      this[w] += n;
+      while(this[w] >= this.DV) {
+        this[w] -= this.DV;
+        if(++w >= this.t) this[this.t++] = 0;
+        ++this[w];
+      }
+    }
+
+    // A "null" reducer
+    function NullExp() {}
+    function nNop(x) { return x; }
+    function nMulTo(x,y,r) { x.multiplyTo(y,r); }
+    function nSqrTo(x,r) { x.squareTo(r); }
+
+    NullExp.prototype.convert = nNop;
+    NullExp.prototype.revert = nNop;
+    NullExp.prototype.mulTo = nMulTo;
+    NullExp.prototype.sqrTo = nSqrTo;
+
+    // (public) this^e
+    function bnPow(e) { return this.exp(e,new NullExp()); }
+
+    // (protected) r = lower n words of "this * a", a.t <= n
+    // "this" should be the larger one if appropriate.
+    function bnpMultiplyLowerTo(a,n,r) {
+      var i = Math.min(this.t+a.t,n);
+      r.s = 0; // assumes a,this >= 0
+      r.t = i;
+      while(i > 0) r[--i] = 0;
+      var j;
+      for(j = r.t-this.t; i < j; ++i) r[i+this.t] = this.am(0,a[i],r,i,0,this.t);
+      for(j = Math.min(a.t,n); i < j; ++i) this.am(0,a[i],r,i,0,n-i);
+      r.clamp();
+    }
+
+    // (protected) r = "this * a" without lower n words, n > 0
+    // "this" should be the larger one if appropriate.
+    function bnpMultiplyUpperTo(a,n,r) {
+      --n;
+      var i = r.t = this.t+a.t-n;
+      r.s = 0; // assumes a,this >= 0
+      while(--i >= 0) r[i] = 0;
+      for(i = Math.max(n-this.t,0); i < a.t; ++i)
+        r[this.t+i-n] = this.am(n-i,a[i],r,0,0,this.t+i-n);
+      r.clamp();
+      r.drShiftTo(1,r);
+    }
+
+    // Barrett modular reduction
+    function Barrett(m) {
+      // setup Barrett
+      this.r2 = nbi();
+      this.q3 = nbi();
+      BigInteger.ONE.dlShiftTo(2*m.t,this.r2);
+      this.mu = this.r2.divide(m);
+      this.m = m;
+    }
+
+    function barrettConvert(x) {
+      if(x.s < 0 || x.t > 2*this.m.t) return x.mod(this.m);
+      else if(x.compareTo(this.m) < 0) return x;
+      else { var r = nbi(); x.copyTo(r); this.reduce(r); return r; }
+    }
+
+    function barrettRevert(x) { return x; }
+
+    // x = x mod m (HAC 14.42)
+    function barrettReduce(x) {
+      x.drShiftTo(this.m.t-1,this.r2);
+      if(x.t > this.m.t+1) { x.t = this.m.t+1; x.clamp(); }
+      this.mu.multiplyUpperTo(this.r2,this.m.t+1,this.q3);
+      this.m.multiplyLowerTo(this.q3,this.m.t+1,this.r2);
+      while(x.compareTo(this.r2) < 0) x.dAddOffset(1,this.m.t+1);
+      x.subTo(this.r2,x);
+      while(x.compareTo(this.m) >= 0) x.subTo(this.m,x);
+    }
+
+    // r = x^2 mod m; x != r
+    function barrettSqrTo(x,r) { x.squareTo(r); this.reduce(r); }
+
+    // r = x*y mod m; x,y != r
+    function barrettMulTo(x,y,r) { x.multiplyTo(y,r); this.reduce(r); }
+
+    Barrett.prototype.convert = barrettConvert;
+    Barrett.prototype.revert = barrettRevert;
+    Barrett.prototype.reduce = barrettReduce;
+    Barrett.prototype.mulTo = barrettMulTo;
+    Barrett.prototype.sqrTo = barrettSqrTo;
+
+    // (public) this^e % m (HAC 14.85)
+    function bnModPow(e,m) {
+      var i = e.bitLength(), k, r = nbv(1), z;
+      if(i <= 0) return r;
+      else if(i < 18) k = 1;
+      else if(i < 48) k = 3;
+      else if(i < 144) k = 4;
+      else if(i < 768) k = 5;
+      else k = 6;
+      if(i < 8)
+        z = new Classic(m);
+      else if(m.isEven())
+        z = new Barrett(m);
+      else
+        z = new Montgomery(m);
+
+      // precomputation
+      var g = new Array(), n = 3, k1 = k-1, km = (1<<k)-1;
+      g[1] = z.convert(this);
+      if(k > 1) {
+        var g2 = nbi();
+        z.sqrTo(g[1],g2);
+        while(n <= km) {
+          g[n] = nbi();
+          z.mulTo(g2,g[n-2],g[n]);
+          n += 2;
+        }
+      }
+
+      var j = e.t-1, w, is1 = true, r2 = nbi(), t;
+      i = nbits(e[j])-1;
+      while(j >= 0) {
+        if(i >= k1) w = (e[j]>>(i-k1))&km;
+        else {
+          w = (e[j]&((1<<(i+1))-1))<<(k1-i);
+          if(j > 0) w |= e[j-1]>>(this.DB+i-k1);
+        }
+
+        n = k;
+        while((w&1) == 0) { w >>= 1; --n; }
+        if((i -= n) < 0) { i += this.DB; --j; }
+        if(is1) {	// ret == 1, don't bother squaring or multiplying it
+          g[w].copyTo(r);
+          is1 = false;
+        }
+        else {
+          while(n > 1) { z.sqrTo(r,r2); z.sqrTo(r2,r); n -= 2; }
+          if(n > 0) z.sqrTo(r,r2); else { t = r; r = r2; r2 = t; }
+          z.mulTo(r2,g[w],r);
+        }
+
+        while(j >= 0 && (e[j]&(1<<i)) == 0) {
+          z.sqrTo(r,r2); t = r; r = r2; r2 = t;
+          if(--i < 0) { i = this.DB-1; --j; }
+        }
+      }
+      return z.revert(r);
+    }
+
+    // (public) gcd(this,a) (HAC 14.54)
+    function bnGCD(a) {
+      var x = (this.s<0)?this.negate():this.clone();
+      var y = (a.s<0)?a.negate():a.clone();
+      if(x.compareTo(y) < 0) { var t = x; x = y; y = t; }
+      var i = x.getLowestSetBit(), g = y.getLowestSetBit();
+      if(g < 0) return x;
+      if(i < g) g = i;
+      if(g > 0) {
+        x.rShiftTo(g,x);
+        y.rShiftTo(g,y);
+      }
+      while(x.signum() > 0) {
+        if((i = x.getLowestSetBit()) > 0) x.rShiftTo(i,x);
+        if((i = y.getLowestSetBit()) > 0) y.rShiftTo(i,y);
+        if(x.compareTo(y) >= 0) {
+          x.subTo(y,x);
+          x.rShiftTo(1,x);
+        }
+        else {
+          y.subTo(x,y);
+          y.rShiftTo(1,y);
+        }
+      }
+      if(g > 0) y.lShiftTo(g,y);
+      return y;
+    }
+
+    // (protected) this % n, n < 2^26
+    function bnpModInt(n) {
+      if(n <= 0) return 0;
+      var d = this.DV%n, r = (this.s<0)?n-1:0;
+      if(this.t > 0)
+        if(d == 0) r = this[0]%n;
+        else for(var i = this.t-1; i >= 0; --i) r = (d*r+this[i])%n;
+      return r;
+    }
+
+    // (public) 1/this % m (HAC 14.61)
+    function bnModInverse(m) {
+      var ac = m.isEven();
+      if((this.isEven() && ac) || m.signum() == 0) return BigInteger.ZERO;
+      var u = m.clone(), v = this.clone();
+      var a = nbv(1), b = nbv(0), c = nbv(0), d = nbv(1);
+      while(u.signum() != 0) {
+        while(u.isEven()) {
+          u.rShiftTo(1,u);
+          if(ac) {
+            if(!a.isEven() || !b.isEven()) { a.addTo(this,a); b.subTo(m,b); }
+            a.rShiftTo(1,a);
+          }
+          else if(!b.isEven()) b.subTo(m,b);
+          b.rShiftTo(1,b);
+        }
+        while(v.isEven()) {
+          v.rShiftTo(1,v);
+          if(ac) {
+            if(!c.isEven() || !d.isEven()) { c.addTo(this,c); d.subTo(m,d); }
+            c.rShiftTo(1,c);
+          }
+          else if(!d.isEven()) d.subTo(m,d);
+          d.rShiftTo(1,d);
+        }
+        if(u.compareTo(v) >= 0) {
+          u.subTo(v,u);
+          if(ac) a.subTo(c,a);
+          b.subTo(d,b);
+        }
+        else {
+          v.subTo(u,v);
+          if(ac) c.subTo(a,c);
+          d.subTo(b,d);
+        }
+      }
+      if(v.compareTo(BigInteger.ONE) != 0) return BigInteger.ZERO;
+      if(d.compareTo(m) >= 0) return d.subtract(m);
+      if(d.signum() < 0) d.addTo(m,d); else return d;
+      if(d.signum() < 0) return d.add(m); else return d;
+    }
+
+    var lowprimes = [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,191,193,197,199,211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307,311,313,317,331,337,347,349,353,359,367,373,379,383,389,397,401,409,419,421,431,433,439,443,449,457,461,463,467,479,487,491,499,503,509,521,523,541,547,557,563,569,571,577,587,593,599,601,607,613,617,619,631,641,643,647,653,659,661,673,677,683,691,701,709,719,727,733,739,743,751,757,761,769,773,787,797,809,811,821,823,827,829,839,853,857,859,863,877,881,883,887,907,911,919,929,937,941,947,953,967,971,977,983,991,997];
+    var lplim = (1<<26)/lowprimes[lowprimes.length-1];
+
+    // (public) test primality with certainty >= 1-.5^t
+    function bnIsProbablePrime(t) {
+      var i, x = this.abs();
+      if(x.t == 1 && x[0] <= lowprimes[lowprimes.length-1]) {
+        for(i = 0; i < lowprimes.length; ++i)
+          if(x[0] == lowprimes[i]) return true;
+        return false;
+      }
+      if(x.isEven()) return false;
+      i = 1;
+      while(i < lowprimes.length) {
+        var m = lowprimes[i], j = i+1;
+        while(j < lowprimes.length && m < lplim) m *= lowprimes[j++];
+        m = x.modInt(m);
+        while(i < j) if(m%lowprimes[i++] == 0) return false;
+      }
+      return x.millerRabin(t);
+    }
+
+    // (protected) true if probably prime (HAC 4.24, Miller-Rabin)
+    function bnpMillerRabin(t) {
+      var n1 = this.subtract(BigInteger.ONE);
+      var k = n1.getLowestSetBit();
+      if(k <= 0) return false;
+      var r = n1.shiftRight(k);
+      t = (t+1)>>1;
+      if(t > lowprimes.length) t = lowprimes.length;
+      var a = nbi();
+      for(var i = 0; i < t; ++i) {
+        //Pick bases at random, instead of starting at 2
+        a.fromInt(lowprimes[Math.floor(Math.random()*lowprimes.length)]);
+        var y = a.modPow(r,this);
+        if(y.compareTo(BigInteger.ONE) != 0 && y.compareTo(n1) != 0) {
+          var j = 1;
+          while(j++ < k && y.compareTo(n1) != 0) {
+            y = y.modPowInt(2,this);
+            if(y.compareTo(BigInteger.ONE) == 0) return false;
+          }
+          if(y.compareTo(n1) != 0) return false;
+        }
+      }
+      return true;
+    }
+
+    // protected
+    BigInteger.prototype.chunkSize = bnpChunkSize;
+    BigInteger.prototype.toRadix = bnpToRadix;
+    BigInteger.prototype.fromRadix = bnpFromRadix;
+    BigInteger.prototype.fromNumber = bnpFromNumber;
+    BigInteger.prototype.bitwiseTo = bnpBitwiseTo;
+    BigInteger.prototype.changeBit = bnpChangeBit;
+    BigInteger.prototype.addTo = bnpAddTo;
+    BigInteger.prototype.dMultiply = bnpDMultiply;
+    BigInteger.prototype.dAddOffset = bnpDAddOffset;
+    BigInteger.prototype.multiplyLowerTo = bnpMultiplyLowerTo;
+    BigInteger.prototype.multiplyUpperTo = bnpMultiplyUpperTo;
+    BigInteger.prototype.modInt = bnpModInt;
+    BigInteger.prototype.millerRabin = bnpMillerRabin;
+
+    // public
+    BigInteger.prototype.clone = bnClone;
+    BigInteger.prototype.intValue = bnIntValue;
+    BigInteger.prototype.byteValue = bnByteValue;
+    BigInteger.prototype.shortValue = bnShortValue;
+    BigInteger.prototype.signum = bnSigNum;
+    BigInteger.prototype.toByteArray = bnToByteArray;
+    BigInteger.prototype.equals = bnEquals;
+    BigInteger.prototype.min = bnMin;
+    BigInteger.prototype.max = bnMax;
+    BigInteger.prototype.and = bnAnd;
+    BigInteger.prototype.or = bnOr;
+    BigInteger.prototype.xor = bnXor;
+    BigInteger.prototype.andNot = bnAndNot;
+    BigInteger.prototype.not = bnNot;
+    BigInteger.prototype.shiftLeft = bnShiftLeft;
+    BigInteger.prototype.shiftRight = bnShiftRight;
+    BigInteger.prototype.getLowestSetBit = bnGetLowestSetBit;
+    BigInteger.prototype.bitCount = bnBitCount;
+    BigInteger.prototype.testBit = bnTestBit;
+    BigInteger.prototype.setBit = bnSetBit;
+    BigInteger.prototype.clearBit = bnClearBit;
+    BigInteger.prototype.flipBit = bnFlipBit;
+    BigInteger.prototype.add = bnAdd;
+    BigInteger.prototype.subtract = bnSubtract;
+    BigInteger.prototype.multiply = bnMultiply;
+    BigInteger.prototype.divide = bnDivide;
+    BigInteger.prototype.remainder = bnRemainder;
+    BigInteger.prototype.divideAndRemainder = bnDivideAndRemainder;
+    BigInteger.prototype.modPow = bnModPow;
+    BigInteger.prototype.modInverse = bnModInverse;
+    BigInteger.prototype.pow = bnPow;
+    BigInteger.prototype.gcd = bnGCD;
+    BigInteger.prototype.isProbablePrime = bnIsProbablePrime;
+
+    // JSBN-specific extension
+    BigInteger.prototype.square = bnSquare;
+
+    // Expose the Barrett function
+    BigInteger.prototype.Barrett = Barrett
+
+    // BigInteger interfaces not implemented in jsbn:
+
+    // BigInteger(int signum, byte[] magnitude)
+    // double doubleValue()
+    // float floatValue()
+    // int hashCode()
+    // long longValue()
+    // static BigInteger valueOf(long val)
+
+	// Random number generator - requires a PRNG backend, e.g. prng4.js
+
+	// For best results, put code like
+	// <body onClick='rng_seed_time();' onKeyPress='rng_seed_time();'>
+	// in your main HTML document.
+
+	var rng_state;
+	var rng_pool;
+	var rng_pptr;
+
+	// Mix in a 32-bit integer into the pool
+	function rng_seed_int(x) {
+	  rng_pool[rng_pptr++] ^= x & 255;
+	  rng_pool[rng_pptr++] ^= (x >> 8) & 255;
+	  rng_pool[rng_pptr++] ^= (x >> 16) & 255;
+	  rng_pool[rng_pptr++] ^= (x >> 24) & 255;
+	  if(rng_pptr >= rng_psize) rng_pptr -= rng_psize;
+	}
+
+	// Mix in the current time (w/milliseconds) into the pool
+	function rng_seed_time() {
+	  rng_seed_int(new Date().getTime());
+	}
+
+	// Initialize the pool with junk if needed.
+	if(rng_pool == null) {
+	  rng_pool = new Array();
+	  rng_pptr = 0;
+	  var t;
+	  if(typeof window !== "undefined" && window.crypto) {
+		if (window.crypto.getRandomValues) {
+		  // Use webcrypto if available
+		  var ua = new Uint8Array(32);
+		  window.crypto.getRandomValues(ua);
+		  for(t = 0; t < 32; ++t)
+			rng_pool[rng_pptr++] = ua[t];
+		}
+		else if(navigator.appName == "Netscape" && navigator.appVersion < "5") {
+		  // Extract entropy (256 bits) from NS4 RNG if available
+		  var z = window.crypto.random(32);
+		  for(t = 0; t < z.length; ++t)
+			rng_pool[rng_pptr++] = z.charCodeAt(t) & 255;
+		}
+	  }
+	  while(rng_pptr < rng_psize) {  // extract some randomness from Math.random()
+		t = Math.floor(65536 * Math.random());
+		rng_pool[rng_pptr++] = t >>> 8;
+		rng_pool[rng_pptr++] = t & 255;
+	  }
+	  rng_pptr = 0;
+	  rng_seed_time();
+	  //rng_seed_int(window.screenX);
+	  //rng_seed_int(window.screenY);
+	}
+
+	function rng_get_byte() {
+	  if(rng_state == null) {
+		rng_seed_time();
+		rng_state = prng_newstate();
+		rng_state.init(rng_pool);
+		for(rng_pptr = 0; rng_pptr < rng_pool.length; ++rng_pptr)
+		  rng_pool[rng_pptr] = 0;
+		rng_pptr = 0;
+		//rng_pool = null;
+	  }
+	  // TODO: allow reseeding after first request
+	  return rng_state.next();
+	}
+
+	function rng_get_bytes(ba) {
+	  var i;
+	  for(i = 0; i < ba.length; ++i) ba[i] = rng_get_byte();
+	}
+
+	function SecureRandom() {}
+
+	SecureRandom.prototype.nextBytes = rng_get_bytes;
+
+	// prng4.js - uses Arcfour as a PRNG
+
+	function Arcfour() {
+	  this.i = 0;
+	  this.j = 0;
+	  this.S = new Array();
+	}
+
+	// Initialize arcfour context from key, an array of ints, each from [0..255]
+	function ARC4init(key) {
+	  var i, j, t;
+	  for(i = 0; i < 256; ++i)
+		this.S[i] = i;
+	  j = 0;
+	  for(i = 0; i < 256; ++i) {
+		j = (j + this.S[i] + key[i % key.length]) & 255;
+		t = this.S[i];
+		this.S[i] = this.S[j];
+		this.S[j] = t;
+	  }
+	  this.i = 0;
+	  this.j = 0;
+	}
+
+	function ARC4next() {
+	  var t;
+	  this.i = (this.i + 1) & 255;
+	  this.j = (this.j + this.S[this.i]) & 255;
+	  t = this.S[this.i];
+	  this.S[this.i] = this.S[this.j];
+	  this.S[this.j] = t;
+	  return this.S[(t + this.S[this.i]) & 255];
+	}
+
+	Arcfour.prototype.init = ARC4init;
+	Arcfour.prototype.next = ARC4next;
+
+	// Plug in your RNG constructor here
+	function prng_newstate() {
+	  return new Arcfour();
+	}
+
+	// Pool size must be a multiple of 4 and greater than 32.
+	// An array of bytes the size of the pool will be passed to init()
+	var rng_psize = 256;
+
+  BigInteger.SecureRandom = SecureRandom;
+  BigInteger.BigInteger = BigInteger;
+  if (typeof exports !== 'undefined') {
+    exports = module.exports = BigInteger;
+  } else {
+    this.BigInteger = BigInteger;
+    this.SecureRandom = SecureRandom;
+  }
+
+}).call(this);
diff --git a/node_modules/jsbn/package.json b/node_modules/jsbn/package.json
new file mode 100644
index 000000000..7220c19f5
--- /dev/null
+++ b/node_modules/jsbn/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "jsbn",
+  "version": "0.1.1",
+  "description": "The jsbn library is a fast, portable implementation of large-number math in pure JavaScript, enabling public-key crypto and other applications on desktop and mobile browsers.",
+  "main": "index.js",
+  "scripts": {
+    "test": "mocha test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/andyperlitch/jsbn.git"
+  },
+  "keywords": [
+    "biginteger",
+    "bignumber",
+    "big",
+    "integer"
+  ],
+  "author": "Tom Wu",
+  "license": "MIT"
+}
diff --git a/node_modules/json-schema-traverse/.eslintrc.yml b/node_modules/json-schema-traverse/.eslintrc.yml
new file mode 100644
index 000000000..ab1762da9
--- /dev/null
+++ b/node_modules/json-schema-traverse/.eslintrc.yml
@@ -0,0 +1,27 @@
+extends: eslint:recommended
+env:
+  node: true
+  browser: true
+rules:
+  block-scoped-var: 2
+  complexity: [2, 13]
+  curly: [2, multi-or-nest, consistent]
+  dot-location: [2, property]
+  dot-notation: 2
+  indent: [2, 2, SwitchCase: 1]
+  linebreak-style: [2, unix]
+  new-cap: 2
+  no-console: [2, allow: [warn, error]]
+  no-else-return: 2
+  no-eq-null: 2
+  no-fallthrough: 2
+  no-invalid-this: 2
+  no-return-assign: 2
+  no-shadow: 1
+  no-trailing-spaces: 2
+  no-use-before-define: [2, nofunc]
+  quotes: [2, single, avoid-escape]
+  semi: [2, always]
+  strict: [2, global]
+  valid-jsdoc: [2, requireReturn: false]
+  no-control-regex: 0
diff --git a/node_modules/json-schema-traverse/.travis.yml b/node_modules/json-schema-traverse/.travis.yml
new file mode 100644
index 000000000..7ddce74b8
--- /dev/null
+++ b/node_modules/json-schema-traverse/.travis.yml
@@ -0,0 +1,8 @@
+language: node_js
+node_js:
+  - "4"
+  - "6"
+  - "7"
+  - "8"
+after_script:
+  - coveralls < coverage/lcov.info
diff --git a/node_modules/json-schema-traverse/LICENSE b/node_modules/json-schema-traverse/LICENSE
new file mode 100644
index 000000000..7f1543566
--- /dev/null
+++ b/node_modules/json-schema-traverse/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Evgeny Poberezkin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/json-schema-traverse/README.md b/node_modules/json-schema-traverse/README.md
new file mode 100644
index 000000000..d5ccaf450
--- /dev/null
+++ b/node_modules/json-schema-traverse/README.md
@@ -0,0 +1,83 @@
+# json-schema-traverse
+Traverse JSON Schema passing each schema object to callback
+
+[![Build Status](https://travis-ci.org/epoberezkin/json-schema-traverse.svg?branch=master)](https://travis-ci.org/epoberezkin/json-schema-traverse)
+[![npm version](https://badge.fury.io/js/json-schema-traverse.svg)](https://www.npmjs.com/package/json-schema-traverse)
+[![Coverage Status](https://coveralls.io/repos/github/epoberezkin/json-schema-traverse/badge.svg?branch=master)](https://coveralls.io/github/epoberezkin/json-schema-traverse?branch=master)
+
+
+## Install
+
+```
+npm install json-schema-traverse
+```
+
+
+## Usage
+
+```javascript
+const traverse = require('json-schema-traverse');
+const schema = {
+  properties: {
+    foo: {type: 'string'},
+    bar: {type: 'integer'}
+  }
+};
+
+traverse(schema, {cb});
+// cb is called 3 times with:
+// 1. root schema
+// 2. {type: 'string'}
+// 3. {type: 'integer'}
+
+// Or:
+
+traverse(schema, {cb: {pre, post}});
+// pre is called 3 times with:
+// 1. root schema
+// 2. {type: 'string'}
+// 3. {type: 'integer'}
+//
+// post is called 3 times with:
+// 1. {type: 'string'}
+// 2. {type: 'integer'}
+// 3. root schema
+
+```
+
+Callback function `cb` is called for each schema object (not including draft-06 boolean schemas), including the root schema, in pre-order traversal. Schema references ($ref) are not resolved, they are passed as is.  Alternatively, you can pass a `{pre, post}` object as `cb`, and then `pre` will be called before traversing child elements, and `post` will be called after all child elements have been traversed.
+
+Callback is passed these parameters:
+
+- _schema_: the current schema object
+- _JSON pointer_: from the root schema to the current schema object
+- _root schema_: the schema passed to `traverse` object
+- _parent JSON pointer_: from the root schema to the parent schema object (see below)
+- _parent keyword_: the keyword inside which this schema appears (e.g. `properties`, `anyOf`, etc.)
+- _parent schema_: not necessarily parent object/array; in the example above the parent schema for `{type: 'string'}` is the root schema
+- _index/property_: index or property name in the array/object containing multiple schemas; in the example above for `{type: 'string'}` the property name is `'foo'`
+
+
+## Traverse objects in all unknown keywords
+
+```javascript
+const traverse = require('json-schema-traverse');
+const schema = {
+  mySchema: {
+    minimum: 1,
+    maximum: 2
+  }
+};
+
+traverse(schema, {allKeys: true, cb});
+// cb is called 2 times with:
+// 1. root schema
+// 2. mySchema
+```
+
+Without option `allKeys: true` callback will be called only with root schema.
+
+
+## License
+
+[MIT](https://github.com/epoberezkin/json-schema-traverse/blob/master/LICENSE)
diff --git a/node_modules/json-schema-traverse/index.js b/node_modules/json-schema-traverse/index.js
new file mode 100644
index 000000000..d4a18dfc7
--- /dev/null
+++ b/node_modules/json-schema-traverse/index.js
@@ -0,0 +1,89 @@
+'use strict';
+
+var traverse = module.exports = function (schema, opts, cb) {
+  // Legacy support for v0.3.1 and earlier.
+  if (typeof opts == 'function') {
+    cb = opts;
+    opts = {};
+  }
+
+  cb = opts.cb || cb;
+  var pre = (typeof cb == 'function') ? cb : cb.pre || function() {};
+  var post = cb.post || function() {};
+
+  _traverse(opts, pre, post, schema, '', schema);
+};
+
+
+traverse.keywords = {
+  additionalItems: true,
+  items: true,
+  contains: true,
+  additionalProperties: true,
+  propertyNames: true,
+  not: true
+};
+
+traverse.arrayKeywords = {
+  items: true,
+  allOf: true,
+  anyOf: true,
+  oneOf: true
+};
+
+traverse.propsKeywords = {
+  definitions: true,
+  properties: true,
+  patternProperties: true,
+  dependencies: true
+};
+
+traverse.skipKeywords = {
+  default: true,
+  enum: true,
+  const: true,
+  required: true,
+  maximum: true,
+  minimum: true,
+  exclusiveMaximum: true,
+  exclusiveMinimum: true,
+  multipleOf: true,
+  maxLength: true,
+  minLength: true,
+  pattern: true,
+  format: true,
+  maxItems: true,
+  minItems: true,
+  uniqueItems: true,
+  maxProperties: true,
+  minProperties: true
+};
+
+
+function _traverse(opts, pre, post, schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) {
+  if (schema && typeof schema == 'object' && !Array.isArray(schema)) {
+    pre(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex);
+    for (var key in schema) {
+      var sch = schema[key];
+      if (Array.isArray(sch)) {
+        if (key in traverse.arrayKeywords) {
+          for (var i=0; i<sch.length; i++)
+            _traverse(opts, pre, post, sch[i], jsonPtr + '/' + key + '/' + i, rootSchema, jsonPtr, key, schema, i);
+        }
+      } else if (key in traverse.propsKeywords) {
+        if (sch && typeof sch == 'object') {
+          for (var prop in sch)
+            _traverse(opts, pre, post, sch[prop], jsonPtr + '/' + key + '/' + escapeJsonPtr(prop), rootSchema, jsonPtr, key, schema, prop);
+        }
+      } else if (key in traverse.keywords || (opts.allKeys && !(key in traverse.skipKeywords))) {
+        _traverse(opts, pre, post, sch, jsonPtr + '/' + key, rootSchema, jsonPtr, key, schema);
+      }
+    }
+    post(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex);
+  }
+}
+
+
+function escapeJsonPtr(str) {
+  return str.replace(/~/g, '~0').replace(/\//g, '~1');
+}
diff --git a/node_modules/json-schema-traverse/package.json b/node_modules/json-schema-traverse/package.json
new file mode 100644
index 000000000..156606327
--- /dev/null
+++ b/node_modules/json-schema-traverse/package.json
@@ -0,0 +1,43 @@
+{
+  "name": "json-schema-traverse",
+  "version": "0.4.1",
+  "description": "Traverse JSON Schema passing each schema object to callback",
+  "main": "index.js",
+  "scripts": {
+    "eslint": "eslint index.js spec",
+    "test-spec": "mocha spec -R spec",
+    "test": "npm run eslint && nyc npm run test-spec"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/epoberezkin/json-schema-traverse.git"
+  },
+  "keywords": [
+    "JSON-Schema",
+    "traverse",
+    "iterate"
+  ],
+  "author": "Evgeny Poberezkin",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/epoberezkin/json-schema-traverse/issues"
+  },
+  "homepage": "https://github.com/epoberezkin/json-schema-traverse#readme",
+  "devDependencies": {
+    "coveralls": "^2.13.1",
+    "eslint": "^3.19.0",
+    "mocha": "^3.4.2",
+    "nyc": "^11.0.2",
+    "pre-commit": "^1.2.2"
+  },
+  "nyc": {
+    "exclude": [
+      "**/spec/**",
+      "node_modules"
+    ],
+    "reporter": [
+      "lcov",
+      "text-summary"
+    ]
+  }
+}
diff --git a/node_modules/json-schema-traverse/spec/.eslintrc.yml b/node_modules/json-schema-traverse/spec/.eslintrc.yml
new file mode 100644
index 000000000..3344da7eb
--- /dev/null
+++ b/node_modules/json-schema-traverse/spec/.eslintrc.yml
@@ -0,0 +1,6 @@
+parserOptions:
+  ecmaVersion: 6
+globals:
+  beforeEach: false
+  describe: false
+  it: false
diff --git a/node_modules/json-schema-traverse/spec/fixtures/schema.js b/node_modules/json-schema-traverse/spec/fixtures/schema.js
new file mode 100644
index 000000000..c51430cdc
--- /dev/null
+++ b/node_modules/json-schema-traverse/spec/fixtures/schema.js
@@ -0,0 +1,125 @@
+'use strict';
+
+var schema = {
+  additionalItems: subschema('additionalItems'),
+  items: subschema('items'),
+  contains: subschema('contains'),
+  additionalProperties: subschema('additionalProperties'),
+  propertyNames: subschema('propertyNames'),
+  not: subschema('not'),
+  allOf: [
+    subschema('allOf_0'),
+    subschema('allOf_1'),
+    {
+      items: [
+        subschema('items_0'),
+        subschema('items_1'),
+      ]
+    }
+  ],
+  anyOf: [
+    subschema('anyOf_0'),
+    subschema('anyOf_1'),
+  ],
+  oneOf: [
+    subschema('oneOf_0'),
+    subschema('oneOf_1'),
+  ],
+  definitions: {
+    foo: subschema('definitions_foo'),
+    bar: subschema('definitions_bar'),
+  },
+  properties: {
+    foo: subschema('properties_foo'),
+    bar: subschema('properties_bar'),
+  },
+  patternProperties: {
+    foo: subschema('patternProperties_foo'),
+    bar: subschema('patternProperties_bar'),
+  },
+  dependencies: {
+    foo: subschema('dependencies_foo'),
+    bar: subschema('dependencies_bar'),
+  },
+  required: ['foo', 'bar']
+};
+
+
+function subschema(keyword) {
+  var sch = {
+    properties: {},
+    additionalProperties: false,
+    additionalItems: false,
+    anyOf: [
+      {format: 'email'},
+      {format: 'hostname'}
+    ]
+  };
+  sch.properties['foo_' + keyword] = {title: 'foo'};
+  sch.properties['bar_' + keyword] = {title: 'bar'};
+  return sch;
+}
+
+
+module.exports = {
+  schema: schema,
+
+  // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+  expectedCalls: [[schema, '', schema, undefined, undefined, undefined, undefined]]
+    .concat(expectedCalls('additionalItems'))
+    .concat(expectedCalls('items'))
+    .concat(expectedCalls('contains'))
+    .concat(expectedCalls('additionalProperties'))
+    .concat(expectedCalls('propertyNames'))
+    .concat(expectedCalls('not'))
+    .concat(expectedCallsChild('allOf', 0))
+    .concat(expectedCallsChild('allOf', 1))
+    .concat([
+      [schema.allOf[2], '/allOf/2', schema, '', 'allOf', schema, 2],
+      [schema.allOf[2].items[0], '/allOf/2/items/0', schema, '/allOf/2', 'items', schema.allOf[2], 0],
+      [schema.allOf[2].items[0].properties.foo_items_0, '/allOf/2/items/0/properties/foo_items_0', schema, '/allOf/2/items/0', 'properties', schema.allOf[2].items[0], 'foo_items_0'],
+      [schema.allOf[2].items[0].properties.bar_items_0, '/allOf/2/items/0/properties/bar_items_0', schema, '/allOf/2/items/0', 'properties', schema.allOf[2].items[0], 'bar_items_0'],
+      [schema.allOf[2].items[0].anyOf[0], '/allOf/2/items/0/anyOf/0', schema, '/allOf/2/items/0', 'anyOf', schema.allOf[2].items[0], 0],
+      [schema.allOf[2].items[0].anyOf[1], '/allOf/2/items/0/anyOf/1', schema, '/allOf/2/items/0', 'anyOf', schema.allOf[2].items[0], 1],
+
+      [schema.allOf[2].items[1], '/allOf/2/items/1', schema, '/allOf/2', 'items', schema.allOf[2], 1],
+      [schema.allOf[2].items[1].properties.foo_items_1, '/allOf/2/items/1/properties/foo_items_1', schema, '/allOf/2/items/1', 'properties', schema.allOf[2].items[1], 'foo_items_1'],
+      [schema.allOf[2].items[1].properties.bar_items_1, '/allOf/2/items/1/properties/bar_items_1', schema, '/allOf/2/items/1', 'properties', schema.allOf[2].items[1], 'bar_items_1'],
+      [schema.allOf[2].items[1].anyOf[0], '/allOf/2/items/1/anyOf/0', schema, '/allOf/2/items/1', 'anyOf', schema.allOf[2].items[1], 0],
+      [schema.allOf[2].items[1].anyOf[1], '/allOf/2/items/1/anyOf/1', schema, '/allOf/2/items/1', 'anyOf', schema.allOf[2].items[1], 1]
+    ])
+    .concat(expectedCallsChild('anyOf', 0))
+    .concat(expectedCallsChild('anyOf', 1))
+    .concat(expectedCallsChild('oneOf', 0))
+    .concat(expectedCallsChild('oneOf', 1))
+    .concat(expectedCallsChild('definitions', 'foo'))
+    .concat(expectedCallsChild('definitions', 'bar'))
+    .concat(expectedCallsChild('properties', 'foo'))
+    .concat(expectedCallsChild('properties', 'bar'))
+    .concat(expectedCallsChild('patternProperties', 'foo'))
+    .concat(expectedCallsChild('patternProperties', 'bar'))
+    .concat(expectedCallsChild('dependencies', 'foo'))
+    .concat(expectedCallsChild('dependencies', 'bar'))
+};
+
+
+function expectedCalls(keyword) {
+  return [
+    [schema[keyword], `/${keyword}`, schema, '', keyword, schema, undefined],
+    [schema[keyword].properties[`foo_${keyword}`], `/${keyword}/properties/foo_${keyword}`, schema, `/${keyword}`, 'properties', schema[keyword], `foo_${keyword}`],
+    [schema[keyword].properties[`bar_${keyword}`], `/${keyword}/properties/bar_${keyword}`, schema, `/${keyword}`, 'properties', schema[keyword], `bar_${keyword}`],
+    [schema[keyword].anyOf[0], `/${keyword}/anyOf/0`, schema, `/${keyword}`, 'anyOf', schema[keyword], 0],
+    [schema[keyword].anyOf[1], `/${keyword}/anyOf/1`, schema, `/${keyword}`, 'anyOf', schema[keyword], 1]
+  ];
+}
+
+
+function expectedCallsChild(keyword, i) {
+  return [
+    [schema[keyword][i], `/${keyword}/${i}`, schema, '', keyword, schema, i],
+    [schema[keyword][i].properties[`foo_${keyword}_${i}`], `/${keyword}/${i}/properties/foo_${keyword}_${i}`, schema, `/${keyword}/${i}`, 'properties', schema[keyword][i], `foo_${keyword}_${i}`],
+    [schema[keyword][i].properties[`bar_${keyword}_${i}`], `/${keyword}/${i}/properties/bar_${keyword}_${i}`, schema, `/${keyword}/${i}`, 'properties', schema[keyword][i], `bar_${keyword}_${i}`],
+    [schema[keyword][i].anyOf[0], `/${keyword}/${i}/anyOf/0`, schema, `/${keyword}/${i}`, 'anyOf', schema[keyword][i], 0],
+    [schema[keyword][i].anyOf[1], `/${keyword}/${i}/anyOf/1`, schema, `/${keyword}/${i}`, 'anyOf', schema[keyword][i], 1]
+  ];
+}
diff --git a/node_modules/json-schema-traverse/spec/index.spec.js b/node_modules/json-schema-traverse/spec/index.spec.js
new file mode 100644
index 000000000..c76b64fc8
--- /dev/null
+++ b/node_modules/json-schema-traverse/spec/index.spec.js
@@ -0,0 +1,171 @@
+'use strict';
+
+var traverse = require('../index');
+var assert = require('assert');
+
+describe('json-schema-traverse', function() {
+  var calls;
+
+  beforeEach(function() {
+    calls = [];
+  });
+
+  it('should traverse all keywords containing schemas recursively', function() {
+    var schema = require('./fixtures/schema').schema;
+    var expectedCalls = require('./fixtures/schema').expectedCalls;
+
+    traverse(schema, {cb: callback});
+    assert.deepStrictEqual(calls, expectedCalls);
+  });
+
+  describe('Legacy v0.3.1 API', function() {
+    it('should traverse all keywords containing schemas recursively', function() {
+      var schema = require('./fixtures/schema').schema;
+      var expectedCalls = require('./fixtures/schema').expectedCalls;
+
+      traverse(schema, callback);
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+    it('should work when an options object is provided', function() {
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var schema = require('./fixtures/schema').schema;
+      var expectedCalls = require('./fixtures/schema').expectedCalls;
+
+      traverse(schema, {}, callback);
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+  });
+
+
+  describe('allKeys option', function() {
+    var schema = {
+      someObject: {
+        minimum: 1,
+        maximum: 2
+      }
+    };
+
+    it('should traverse objects with allKeys: true option', function() {
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var expectedCalls = [
+        [schema, '', schema, undefined, undefined, undefined, undefined],
+        [schema.someObject, '/someObject', schema, '', 'someObject', schema, undefined]
+      ];
+
+      traverse(schema, {allKeys: true, cb: callback});
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+
+    it('should NOT traverse objects with allKeys: false option', function() {
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var expectedCalls = [
+        [schema, '', schema, undefined, undefined, undefined, undefined]
+      ];
+
+      traverse(schema, {allKeys: false, cb: callback});
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+
+    it('should NOT traverse objects without allKeys option', function() {
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var expectedCalls = [
+        [schema, '', schema, undefined, undefined, undefined, undefined]
+      ];
+
+      traverse(schema, {cb: callback});
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+
+    it('should NOT travers objects in standard keywords which value is not a schema', function() {
+      var schema2 = {
+        const: {foo: 'bar'},
+        enum: ['a', 'b'],
+        required: ['foo'],
+        another: {
+
+        },
+        patternProperties: {}, // will not traverse - no properties
+        dependencies: true, // will not traverse - invalid
+        properties: {
+          smaller: {
+            type: 'number'
+          },
+          larger: {
+            type: 'number',
+            minimum: {$data: '1/smaller'}
+          }
+        }
+      };
+
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var expectedCalls = [
+        [schema2, '', schema2, undefined, undefined, undefined, undefined],
+        [schema2.another, '/another', schema2, '', 'another', schema2, undefined],
+        [schema2.properties.smaller, '/properties/smaller', schema2, '', 'properties', schema2, 'smaller'],
+        [schema2.properties.larger, '/properties/larger', schema2, '', 'properties', schema2, 'larger'],
+      ];
+
+      traverse(schema2, {allKeys: true, cb: callback});
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+  });
+
+  describe('pre and post', function() {
+    var schema = {
+      type: 'object',
+      properties: {
+        name: {type: 'string'},
+        age: {type: 'number'}
+      }
+    };
+
+    it('should traverse schema in pre-order', function() {
+      traverse(schema, {cb: {pre}});
+      var expectedCalls = [
+        ['pre', schema, '', schema, undefined, undefined, undefined, undefined],
+        ['pre', schema.properties.name, '/properties/name', schema, '', 'properties', schema, 'name'],
+        ['pre', schema.properties.age, '/properties/age', schema, '', 'properties', schema, 'age'],
+      ];
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+    it('should traverse schema in post-order', function() {
+      traverse(schema, {cb: {post}});
+      var expectedCalls = [
+        ['post', schema.properties.name, '/properties/name', schema, '', 'properties', schema, 'name'],
+        ['post', schema.properties.age, '/properties/age', schema, '', 'properties', schema, 'age'],
+        ['post', schema, '', schema, undefined, undefined, undefined, undefined],
+      ];
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+    it('should traverse schema in pre- and post-order at the same time', function() {
+      traverse(schema, {cb: {pre, post}});
+      var expectedCalls = [
+        ['pre', schema, '', schema, undefined, undefined, undefined, undefined],
+        ['pre', schema.properties.name, '/properties/name', schema, '', 'properties', schema, 'name'],
+        ['post', schema.properties.name, '/properties/name', schema, '', 'properties', schema, 'name'],
+        ['pre', schema.properties.age, '/properties/age', schema, '', 'properties', schema, 'age'],
+        ['post', schema.properties.age, '/properties/age', schema, '', 'properties', schema, 'age'],
+        ['post', schema, '', schema, undefined, undefined, undefined, undefined],
+      ];
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+  });
+
+  function callback() {
+    calls.push(Array.prototype.slice.call(arguments));
+  }
+
+  function pre() {
+    calls.push(['pre'].concat(Array.prototype.slice.call(arguments)));
+  }
+
+  function post() {
+    calls.push(['post'].concat(Array.prototype.slice.call(arguments)));
+  }
+});
diff --git a/node_modules/json-schema/LICENSE b/node_modules/json-schema/LICENSE
new file mode 100644
index 000000000..139f008d2
--- /dev/null
+++ b/node_modules/json-schema/LICENSE
@@ -0,0 +1,195 @@
+Dojo is available under *either* the terms of the BSD 3-Clause "New" License *or* the
+Academic Free License version 2.1. As a recipient of Dojo, you may choose which
+license to receive this code under (except as noted in per-module LICENSE
+files). Some modules may not be the copyright of the Dojo Foundation. These
+modules contain explicit declarations of copyright in both the LICENSE files in
+the directories in which they reside and in the code itself. No external
+contributions are allowed under licenses which are fundamentally incompatible
+with the AFL-2.1 OR and BSD-3-Clause licenses that Dojo is distributed under.
+
+The text of the AFL-2.1 and BSD-3-Clause licenses is reproduced below. 
+
+-------------------------------------------------------------------------------
+BSD 3-Clause "New" License:
+**********************
+
+Copyright (c) 2005-2015, The Dojo Foundation
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+  * Redistributions of source code must retain the above copyright notice, this
+    list of conditions and the following disclaimer.
+  * Redistributions in binary form must reproduce the above copyright notice,
+    this list of conditions and the following disclaimer in the documentation
+    and/or other materials provided with the distribution.
+  * Neither the name of the Dojo Foundation nor the names of its contributors
+    may be used to endorse or promote products derived from this software
+    without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+-------------------------------------------------------------------------------
+The Academic Free License, v. 2.1:
+**********************************
+
+This Academic Free License (the "License") applies to any original work of
+authorship (the "Original Work") whose owner (the "Licensor") has placed the
+following notice immediately following the copyright notice for the Original
+Work:
+
+Licensed under the Academic Free License version 2.1
+
+1) Grant of Copyright License. Licensor hereby grants You a world-wide,
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+following:
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+Work;
+
+c) to distribute copies of the Original Work and Derivative Works to the
+public;
+
+d) to perform the Original Work publicly; and
+
+e) to display the Original Work publicly.
+
+2) Grant of Patent License. Licensor hereby grants You a world-wide,
+royalty-free, non-exclusive, perpetual, sublicenseable license, under patent
+claims owned or controlled by the Licensor that are embodied in the Original
+Work as furnished by the Licensor, to make, use, sell and offer for sale the
+Original Work and Derivative Works.
+
+3) Grant of Source Code License. The term "Source Code" means the preferred
+form of the Original Work for making modifications to it and all available
+documentation describing how to modify the Original Work. Licensor hereby
+agrees to provide a machine-readable copy of the Source Code of the Original
+Work along with each copy of the Original Work that Licensor distributes.
+Licensor reserves the right to satisfy this obligation by placing a
+machine-readable copy of the Source Code in an information repository
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+4) Exclusions From License Grant. Neither the names of Licensor, nor the names
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+
+5) This section intentionally omitted.
+
+6) Attribution Rights. You must retain, in the Source Code of any Derivative
+Works that You create, all copyright, patent or trademark notices from the
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+
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+8) Limitation of Liability. Under no circumstances and under no legal theory,
+whether in tort (including negligence), contract, or otherwise, shall the
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+of goodwill, work stoppage, computer failure or malfunction, or any and all
+other commercial damages or losses. This limitation of liability shall not
+apply to liability for death or personal injury resulting from Licensor's
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+consequential damages, so this exclusion and limitation may not apply to You.
+
+9) Acceptance and Termination. If You distribute copies of the Original Work or
+a Derivative Work, You must make a reasonable effort under the circumstances to
+obtain the express assent of recipients to the terms of this License. Nothing
+else but this License (or another written agreement between Licensor and You)
+grants You permission to create Derivative Works based upon the Original Work
+or to exercise any of the rights granted in Section 1 herein, and any attempt
+to do so except under the terms of this License (or another written agreement
+between Licensor and You) is expressly prohibited by U.S. copyright law, the
+equivalent laws of other countries, and by international treaty. Therefore, by
+exercising any of the rights granted to You in Section 1 herein, You indicate
+Your acceptance of this License and all of its terms and conditions.
+
+10) Termination for Patent Action. This License shall terminate automatically
+and You may no longer exercise any of the rights granted to You by this License
+as of the date You commence an action, including a cross-claim or counterclaim,
+against Licensor or any licensee alleging that the Original Work infringes a
+patent. This termination provision shall not apply for an action alleging
+patent infringement by combinations of the Original Work with other software or
+hardware.
+
+11) Jurisdiction, Venue and Governing Law. Any action or suit relating to this
+License may be brought only in the courts of a jurisdiction wherein the
+Licensor resides or in which Licensor conducts its primary business, and under
+the laws of that jurisdiction excluding its conflict-of-law provisions. The
+application of the United Nations Convention on Contracts for the International
+Sale of Goods is expressly excluded. Any use of the Original Work outside the
+scope of this License or after its termination shall be subject to the
+requirements and penalties of the U.S. Copyright Act, 17 U.S.C. § 101 et
+seq., the equivalent laws of other countries, and international treaty. This
+section shall survive the termination of this License.
+
+12) Attorneys Fees. In any action to enforce the terms of this License or
+seeking damages relating thereto, the prevailing party shall be entitled to
+recover its costs and expenses, including, without limitation, reasonable
+attorneys' fees and costs incurred in connection with such action, including
+any appeal of such action. This section shall survive the termination of this
+License.
+
+13) Miscellaneous. This License represents the complete agreement concerning
+the subject matter hereof. If any provision of this License is held to be
+unenforceable, such provision shall be reformed only to the extent necessary to
+make it enforceable.
+
+14) Definition of "You" in This License. "You" throughout this License, whether
+in upper or lower case, means an individual or a legal entity exercising rights
+under, and complying with all of the terms of, this License. For legal
+entities, "You" includes any entity that controls, is controlled by, or is
+under common control with you. For purposes of this definition, "control" means
+(i) the power, direct or indirect, to cause the direction or management of such
+entity, whether by contract or otherwise, or (ii) ownership of fifty percent
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+entity.
+
+15) Right to Use. You may use the Original Work in all ways not otherwise
+restricted or conditioned by this License or by law, and Licensor promises not
+to interfere with or be responsible for such uses by You.
+
+This license is Copyright (C) 2003-2004 Lawrence E. Rosen. All rights reserved.
+Permission is hereby granted to copy and distribute this license without
+modification. This license may not be modified without the express written
+permission of its copyright owner.
diff --git a/node_modules/json-schema/README.md b/node_modules/json-schema/README.md
new file mode 100644
index 000000000..e23cd3051
--- /dev/null
+++ b/node_modules/json-schema/README.md
@@ -0,0 +1,3 @@
+This is a historical repository for the early development of the JSON Schema specification and implementation. This package is considered "finished": it holds the earlier draft specification and a simple, efficient, lightweight implementation of the original core elements of JSON Schema. This repository does not house the latest specifications nor does it implement the latest versions of JSON Schema. This package seeks to maintain the stability (in behavior and size) of this original implementation for the sake of the numerous packages that rely on it. For the latest JSON Schema specifications and implementations, please visit the [JSON Schema site](https://json-schema.org/) (or the [respository](https://github.com/json-schema-org/json-schema-spec)).
+
+Code is licensed under the AFL or BSD 3-Clause license.
diff --git a/node_modules/json-schema/lib/links.js b/node_modules/json-schema/lib/links.js
new file mode 100644
index 000000000..d9a114bcb
--- /dev/null
+++ b/node_modules/json-schema/lib/links.js
@@ -0,0 +1,65 @@
+/** 
+ * JSON Schema link handler
+ * Licensed under AFL-2.1 OR BSD-3-Clause
+ */
+(function (root, factory) {
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Register as an anonymous module.
+        define([], function () {
+            return factory();
+        });
+    } else if (typeof module === 'object' && module.exports) {
+        // Node. Does not work with strict CommonJS, but
+        // only CommonJS-like environments that support module.exports,
+        // like Node.
+        module.exports = factory();
+    } else {
+        // Browser globals
+        root.jsonSchemaLinks = factory();
+    }
+}(this, function () {// setup primitive classes to be JSON Schema types
+var exports = {};
+exports.cacheLinks = true;
+exports.getLink = function(relation, instance, schema){
+	// gets the URI of the link for the given relation based on the instance and schema
+	// for example:
+	// getLink(
+	// 		"brother", 
+	// 		{"brother_id":33}, 
+	// 		{links:[{rel:"brother", href:"Brother/{brother_id}"}]}) ->
+	//	"Brother/33"
+	var links = schema.__linkTemplates; 
+	if(!links){
+		links = {};
+		var schemaLinks = schema.links;
+		if(schemaLinks && schemaLinks instanceof Array){
+			schemaLinks.forEach(function(link){
+	/*			// TODO: allow for multiple same-name relations
+				if(links[link.rel]){
+					if(!(links[link.rel] instanceof Array)){
+						links[link.rel] = [links[link.rel]];
+					}
+				}*/
+				links[link.rel] = link.href;
+			});
+		}
+		if(exports.cacheLinks){
+			schema.__linkTemplates = links;
+		}
+	}
+	var linkTemplate = links[relation];
+	return linkTemplate && exports.substitute(linkTemplate, instance);
+};
+
+exports.substitute = function(linkTemplate, instance){
+	return linkTemplate.replace(/\{([^\}]*)\}/g, function(t, property){
+			var value = instance[decodeURIComponent(property)];
+			if(value instanceof Array){
+				// the value is an array, it should produce a URI like /Table/(4,5,8) and store.get() should handle that as an array of values
+				return '(' + value.join(',') + ')';
+			}
+			return value;
+		});
+};
+return exports;
+}));
\ No newline at end of file
diff --git a/node_modules/json-schema/lib/validate.js b/node_modules/json-schema/lib/validate.js
new file mode 100644
index 000000000..cace89e66
--- /dev/null
+++ b/node_modules/json-schema/lib/validate.js
@@ -0,0 +1,271 @@
+/**
+ * JSONSchema Validator - Validates JavaScript objects using JSON Schemas
+ *	(http://www.json.com/json-schema-proposal/)
+ * Licensed under AFL-2.1 OR BSD-3-Clause
+To use the validator call the validate function with an instance object and an optional schema object.
+If a schema is provided, it will be used to validate. If the instance object refers to a schema (self-validating),
+that schema will be used to validate and the schema parameter is not necessary (if both exist,
+both validations will occur).
+The validate method will return an array of validation errors. If there are no errors, then an
+empty list will be returned. A validation error will have two properties:
+"property" which indicates which property had the error
+"message" which indicates what the error was
+ */
+(function (root, factory) {
+    if (typeof define === 'function' && define.amd) {
+        // AMD. Register as an anonymous module.
+        define([], function () {
+            return factory();
+        });
+    } else if (typeof module === 'object' && module.exports) {
+        // Node. Does not work with strict CommonJS, but
+        // only CommonJS-like environments that support module.exports,
+        // like Node.
+        module.exports = factory();
+    } else {
+        // Browser globals
+        root.jsonSchema = factory();
+    }
+}(this, function () {// setup primitive classes to be JSON Schema types
+var exports = validate
+exports.Integer = {type:"integer"};
+var primitiveConstructors = {
+	String: String,
+	Boolean: Boolean,
+	Number: Number,
+	Object: Object,
+	Array: Array,
+	Date: Date
+}
+exports.validate = validate;
+function validate(/*Any*/instance,/*Object*/schema) {
+		// Summary:
+		//  	To use the validator call JSONSchema.validate with an instance object and an optional schema object.
+		// 		If a schema is provided, it will be used to validate. If the instance object refers to a schema (self-validating),
+		// 		that schema will be used to validate and the schema parameter is not necessary (if both exist,
+		// 		both validations will occur).
+		// 		The validate method will return an object with two properties:
+		// 			valid: A boolean indicating if the instance is valid by the schema
+		// 			errors: An array of validation errors. If there are no errors, then an
+		// 					empty list will be returned. A validation error will have two properties:
+		// 						property: which indicates which property had the error
+		// 						message: which indicates what the error was
+		//
+		return validate(instance, schema, {changing: false});//, coerce: false, existingOnly: false});
+	};
+exports.checkPropertyChange = function(/*Any*/value,/*Object*/schema, /*String*/property) {
+		// Summary:
+		// 		The checkPropertyChange method will check to see if an value can legally be in property with the given schema
+		// 		This is slightly different than the validate method in that it will fail if the schema is readonly and it will
+		// 		not check for self-validation, it is assumed that the passed in value is already internally valid.
+		// 		The checkPropertyChange method will return the same object type as validate, see JSONSchema.validate for
+		// 		information.
+		//
+		return validate(value, schema, {changing: property || "property"});
+	};
+var validate = exports._validate = function(/*Any*/instance,/*Object*/schema,/*Object*/options) {
+
+	if (!options) options = {};
+	var _changing = options.changing;
+
+	function getType(schema){
+		return schema.type || (primitiveConstructors[schema.name] == schema && schema.name.toLowerCase());
+	}
+	var errors = [];
+	// validate a value against a property definition
+	function checkProp(value, schema, path,i){
+
+		var l;
+		path += path ? typeof i == 'number' ? '[' + i + ']' : typeof i == 'undefined' ? '' : '.' + i : i;
+		function addError(message){
+			errors.push({property:path,message:message});
+		}
+
+		if((typeof schema != 'object' || schema instanceof Array) && (path || typeof schema != 'function') && !(schema && getType(schema))){
+			if(typeof schema == 'function'){
+				if(!(value instanceof schema)){
+					addError("is not an instance of the class/constructor " + schema.name);
+				}
+			}else if(schema){
+				addError("Invalid schema/property definition " + schema);
+			}
+			return null;
+		}
+		if(_changing && schema.readonly){
+			addError("is a readonly field, it can not be changed");
+		}
+		if(schema['extends']){ // if it extends another schema, it must pass that schema as well
+			checkProp(value,schema['extends'],path,i);
+		}
+		// validate a value against a type definition
+		function checkType(type,value){
+			if(type){
+				if(typeof type == 'string' && type != 'any' &&
+						(type == 'null' ? value !== null : typeof value != type) &&
+						!(value instanceof Array && type == 'array') &&
+						!(value instanceof Date && type == 'date') &&
+						!(type == 'integer' && value%1===0)){
+					return [{property:path,message:value + " - " + (typeof value) + " value found, but a " + type + " is required"}];
+				}
+				if(type instanceof Array){
+					var unionErrors=[];
+					for(var j = 0; j < type.length; j++){ // a union type
+						if(!(unionErrors=checkType(type[j],value)).length){
+							break;
+						}
+					}
+					if(unionErrors.length){
+						return unionErrors;
+					}
+				}else if(typeof type == 'object'){
+					var priorErrors = errors;
+					errors = [];
+					checkProp(value,type,path);
+					var theseErrors = errors;
+					errors = priorErrors;
+					return theseErrors;
+				}
+			}
+			return [];
+		}
+		if(value === undefined){
+			if(schema.required){
+				addError("is missing and it is required");
+			}
+		}else{
+			errors = errors.concat(checkType(getType(schema),value));
+			if(schema.disallow && !checkType(schema.disallow,value).length){
+				addError(" disallowed value was matched");
+			}
+			if(value !== null){
+				if(value instanceof Array){
+					if(schema.items){
+						var itemsIsArray = schema.items instanceof Array;
+						var propDef = schema.items;
+						for (i = 0, l = value.length; i < l; i += 1) {
+							if (itemsIsArray)
+								propDef = schema.items[i];
+							if (options.coerce)
+								value[i] = options.coerce(value[i], propDef);
+							errors.concat(checkProp(value[i],propDef,path,i));
+						}
+					}
+					if(schema.minItems && value.length < schema.minItems){
+						addError("There must be a minimum of " + schema.minItems + " in the array");
+					}
+					if(schema.maxItems && value.length > schema.maxItems){
+						addError("There must be a maximum of " + schema.maxItems + " in the array");
+					}
+				}else if(schema.properties || schema.additionalProperties){
+					errors.concat(checkObj(value, schema.properties, path, schema.additionalProperties));
+				}
+				if(schema.pattern && typeof value == 'string' && !value.match(schema.pattern)){
+					addError("does not match the regex pattern " + schema.pattern);
+				}
+				if(schema.maxLength && typeof value == 'string' && value.length > schema.maxLength){
+					addError("may only be " + schema.maxLength + " characters long");
+				}
+				if(schema.minLength && typeof value == 'string' && value.length < schema.minLength){
+					addError("must be at least " + schema.minLength + " characters long");
+				}
+				if(typeof schema.minimum !== 'undefined' && typeof value == typeof schema.minimum &&
+						schema.minimum > value){
+					addError("must have a minimum value of " + schema.minimum);
+				}
+				if(typeof schema.maximum !== 'undefined' && typeof value == typeof schema.maximum &&
+						schema.maximum < value){
+					addError("must have a maximum value of " + schema.maximum);
+				}
+				if(schema['enum']){
+					var enumer = schema['enum'];
+					l = enumer.length;
+					var found;
+					for(var j = 0; j < l; j++){
+						if(enumer[j]===value){
+							found=1;
+							break;
+						}
+					}
+					if(!found){
+						addError("does not have a value in the enumeration " + enumer.join(", "));
+					}
+				}
+				if(typeof schema.maxDecimal == 'number' &&
+					(value.toString().match(new RegExp("\\.[0-9]{" + (schema.maxDecimal + 1) + ",}")))){
+					addError("may only have " + schema.maxDecimal + " digits of decimal places");
+				}
+			}
+		}
+		return null;
+	}
+	// validate an object against a schema
+	function checkObj(instance,objTypeDef,path,additionalProp){
+
+		if(typeof objTypeDef =='object'){
+			if(typeof instance != 'object' || instance instanceof Array){
+				errors.push({property:path,message:"an object is required"});
+			}
+			
+			for(var i in objTypeDef){ 
+				if(objTypeDef.hasOwnProperty(i) && i != '__proto__' && i != 'constructor'){
+					var value = instance.hasOwnProperty(i) ? instance[i] : undefined;
+					// skip _not_ specified properties
+					if (value === undefined && options.existingOnly) continue;
+					var propDef = objTypeDef[i];
+					// set default
+					if(value === undefined && propDef["default"]){
+						value = instance[i] = propDef["default"];
+					}
+					if(options.coerce && i in instance){
+						value = instance[i] = options.coerce(value, propDef);
+					}
+					checkProp(value,propDef,path,i);
+				}
+			}
+		}
+		for(i in instance){
+			if(instance.hasOwnProperty(i) && !(i.charAt(0) == '_' && i.charAt(1) == '_') && objTypeDef && !objTypeDef[i] && additionalProp===false){
+				if (options.filter) {
+					delete instance[i];
+					continue;
+				} else {
+					errors.push({property:path,message:"The property " + i +
+						" is not defined in the schema and the schema does not allow additional properties"});
+				}
+			}
+			var requires = objTypeDef && objTypeDef[i] && objTypeDef[i].requires;
+			if(requires && !(requires in instance)){
+				errors.push({property:path,message:"the presence of the property " + i + " requires that " + requires + " also be present"});
+			}
+			value = instance[i];
+			if(additionalProp && (!(objTypeDef && typeof objTypeDef == 'object') || !(i in objTypeDef))){
+				if(options.coerce){
+					value = instance[i] = options.coerce(value, additionalProp);
+				}
+				checkProp(value,additionalProp,path,i);
+			}
+			if(!_changing && value && value.$schema){
+				errors = errors.concat(checkProp(value,value.$schema,path,i));
+			}
+		}
+		return errors;
+	}
+	if(schema){
+		checkProp(instance,schema,'',_changing || '');
+	}
+	if(!_changing && instance && instance.$schema){
+		checkProp(instance,instance.$schema,'','');
+	}
+	return {valid:!errors.length,errors:errors};
+};
+exports.mustBeValid = function(result){
+	//	summary:
+	//		This checks to ensure that the result is valid and will throw an appropriate error message if it is not
+	// result: the result returned from checkPropertyChange or validate
+	if(!result.valid){
+		throw new TypeError(result.errors.map(function(error){return "for property " + error.property + ': ' + error.message;}).join(", \n"));
+	}
+}
+
+return exports;
+}));
diff --git a/node_modules/json-schema/package.json b/node_modules/json-schema/package.json
new file mode 100644
index 000000000..d3a7dfbe2
--- /dev/null
+++ b/node_modules/json-schema/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "json-schema",
+  "version": "0.4.0",
+  "author": "Kris Zyp",
+  "description": "JSON Schema validation and specifications",
+  "maintainers":[
+  	{"name": "Kris Zyp", "email": "kriszyp@gmail.com"}],
+  "keywords": [
+    "json",
+    "schema"
+  ],
+  "files": [
+    "lib"
+  ],
+  "license": "(AFL-2.1 OR BSD-3-Clause)",
+  "repository": {
+    "type":"git",
+    "url":"http://github.com/kriszyp/json-schema"
+  },
+  "directories": { "lib": "./lib" },
+  "main": "./lib/validate.js",
+  "devDependencies": { "vows": "*" },
+  "scripts": { "test": "vows --spec test/*.js" }
+}
diff --git a/node_modules/json-stringify-safe/.npmignore b/node_modules/json-stringify-safe/.npmignore
new file mode 100644
index 000000000..17d6b3677
--- /dev/null
+++ b/node_modules/json-stringify-safe/.npmignore
@@ -0,0 +1 @@
+/*.tgz
diff --git a/node_modules/json-stringify-safe/CHANGELOG.md b/node_modules/json-stringify-safe/CHANGELOG.md
new file mode 100644
index 000000000..42bcb60af
--- /dev/null
+++ b/node_modules/json-stringify-safe/CHANGELOG.md
@@ -0,0 +1,14 @@
+## Unreleased
+- Fixes stringify to only take ancestors into account when checking
+  circularity.  
+  It previously assumed every visited object was circular which led to [false
+  positives][issue9].  
+  Uses the tiny serializer I wrote for [Must.js][must] a year and a half ago.
+- Fixes calling the `replacer` function in the proper context (`thisArg`).
+- Fixes calling the `cycleReplacer` function in the proper context (`thisArg`).
+- Speeds serializing by a factor of
+  Big-O(h-my-god-it-linearly-searched-every-object) it had ever seen. Searching
+  only the ancestors for a circular references speeds up things considerably.
+
+[must]: https://github.com/moll/js-must
+[issue9]: https://github.com/isaacs/json-stringify-safe/issues/9
diff --git a/node_modules/json-stringify-safe/LICENSE b/node_modules/json-stringify-safe/LICENSE
new file mode 100644
index 000000000..19129e315
--- /dev/null
+++ b/node_modules/json-stringify-safe/LICENSE
@@ -0,0 +1,15 @@
+The ISC License
+
+Copyright (c) Isaac Z. Schlueter and Contributors
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/json-stringify-safe/Makefile b/node_modules/json-stringify-safe/Makefile
new file mode 100644
index 000000000..36088c723
--- /dev/null
+++ b/node_modules/json-stringify-safe/Makefile
@@ -0,0 +1,35 @@
+NODE_OPTS =
+TEST_OPTS =
+
+love:
+	@echo "Feel like makin' love."
+
+test:
+	@node $(NODE_OPTS) ./node_modules/.bin/_mocha -R dot $(TEST_OPTS)
+
+spec:
+	@node $(NODE_OPTS) ./node_modules/.bin/_mocha -R spec $(TEST_OPTS)
+
+autotest:
+	@node $(NODE_OPTS) ./node_modules/.bin/_mocha -R dot --watch $(TEST_OPTS)
+
+autospec:
+	@node $(NODE_OPTS) ./node_modules/.bin/_mocha -R spec --watch $(TEST_OPTS)
+
+pack:
+	@file=$$(npm pack); echo "$$file"; tar tf "$$file"
+
+publish:
+	npm publish
+
+tag:
+	git tag "v$$(node -e 'console.log(require("./package").version)')"
+
+clean:
+	rm -f *.tgz
+	npm prune --production
+
+.PHONY: love
+.PHONY: test spec autotest autospec
+.PHONY: pack publish tag
+.PHONY: clean
diff --git a/node_modules/json-stringify-safe/README.md b/node_modules/json-stringify-safe/README.md
new file mode 100644
index 000000000..a11f302a3
--- /dev/null
+++ b/node_modules/json-stringify-safe/README.md
@@ -0,0 +1,52 @@
+# json-stringify-safe
+
+Like JSON.stringify, but doesn't throw on circular references.
+
+## Usage
+
+Takes the same arguments as `JSON.stringify`.
+
+```javascript
+var stringify = require('json-stringify-safe');
+var circularObj = {};
+circularObj.circularRef = circularObj;
+circularObj.list = [ circularObj, circularObj ];
+console.log(stringify(circularObj, null, 2));
+```
+
+Output:
+
+```json
+{
+  "circularRef": "[Circular]",
+  "list": [
+    "[Circular]",
+    "[Circular]"
+  ]
+}
+```
+
+## Details
+
+```
+stringify(obj, serializer, indent, decycler)
+```
+
+The first three arguments are the same as to JSON.stringify.  The last
+is an argument that's only used when the object has been seen already.
+
+The default `decycler` function returns the string `'[Circular]'`.
+If, for example, you pass in `function(k,v){}` (return nothing) then it
+will prune cycles.  If you pass in `function(k,v){ return {foo: 'bar'}}`,
+then cyclical objects will always be represented as `{"foo":"bar"}` in
+the result.
+
+```
+stringify.getSerialize(serializer, decycler)
+```
+
+Returns a serializer that can be used elsewhere.  This is the actual
+function that's passed to JSON.stringify.
+
+**Note** that the function returned from `getSerialize` is stateful for now, so
+do **not** use it more than once.
diff --git a/node_modules/json-stringify-safe/package.json b/node_modules/json-stringify-safe/package.json
new file mode 100644
index 000000000..8e17b1266
--- /dev/null
+++ b/node_modules/json-stringify-safe/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "json-stringify-safe",
+  "version": "5.0.1",
+  "description": "Like JSON.stringify, but doesn't blow up on circular refs.",
+  "keywords": [
+    "json",
+    "stringify",
+    "circular",
+    "safe"
+  ],
+  "homepage": "https://github.com/isaacs/json-stringify-safe",
+  "bugs": "https://github.com/isaacs/json-stringify-safe/issues",
+  "author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me)",
+  "contributors": [
+    "Andri Möll <andri@dot.ee> (http://themoll.com)"
+  ],
+  "license": "ISC",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/isaacs/json-stringify-safe"
+  },
+  "main": "stringify.js",
+  "scripts": {
+    "test": "node test.js"
+  },
+  "devDependencies": {
+    "mocha": ">= 2.1.0 < 3",
+    "must": ">= 0.12 < 0.13",
+    "sinon": ">= 1.12.2 < 2"
+  }
+}
diff --git a/node_modules/json-stringify-safe/stringify.js b/node_modules/json-stringify-safe/stringify.js
new file mode 100644
index 000000000..124a45218
--- /dev/null
+++ b/node_modules/json-stringify-safe/stringify.js
@@ -0,0 +1,27 @@
+exports = module.exports = stringify
+exports.getSerialize = serializer
+
+function stringify(obj, replacer, spaces, cycleReplacer) {
+  return JSON.stringify(obj, serializer(replacer, cycleReplacer), spaces)
+}
+
+function serializer(replacer, cycleReplacer) {
+  var stack = [], keys = []
+
+  if (cycleReplacer == null) cycleReplacer = function(key, value) {
+    if (stack[0] === value) return "[Circular ~]"
+    return "[Circular ~." + keys.slice(0, stack.indexOf(value)).join(".") + "]"
+  }
+
+  return function(key, value) {
+    if (stack.length > 0) {
+      var thisPos = stack.indexOf(this)
+      ~thisPos ? stack.splice(thisPos + 1) : stack.push(this)
+      ~thisPos ? keys.splice(thisPos, Infinity, key) : keys.push(key)
+      if (~stack.indexOf(value)) value = cycleReplacer.call(this, key, value)
+    }
+    else stack.push(value)
+
+    return replacer == null ? value : replacer.call(this, key, value)
+  }
+}
diff --git a/node_modules/json-stringify-safe/test/mocha.opts b/node_modules/json-stringify-safe/test/mocha.opts
new file mode 100644
index 000000000..2544e5861
--- /dev/null
+++ b/node_modules/json-stringify-safe/test/mocha.opts
@@ -0,0 +1,2 @@
+--recursive
+--require must
diff --git a/node_modules/json-stringify-safe/test/stringify_test.js b/node_modules/json-stringify-safe/test/stringify_test.js
new file mode 100644
index 000000000..5b3258317
--- /dev/null
+++ b/node_modules/json-stringify-safe/test/stringify_test.js
@@ -0,0 +1,246 @@
+var Sinon = require("sinon")
+var stringify = require("..")
+function jsonify(obj) { return JSON.stringify(obj, null, 2) }
+
+describe("Stringify", function() {
+  it("must stringify circular objects", function() {
+    var obj = {name: "Alice"}
+    obj.self = obj
+    var json = stringify(obj, null, 2)
+    json.must.eql(jsonify({name: "Alice", self: "[Circular ~]"}))
+  })
+
+  it("must stringify circular objects with intermediaries", function() {
+    var obj = {name: "Alice"}
+    obj.identity = {self: obj}
+    var json = stringify(obj, null, 2)
+    json.must.eql(jsonify({name: "Alice", identity: {self: "[Circular ~]"}}))
+  })
+
+  it("must stringify circular objects deeper", function() {
+    var obj = {name: "Alice", child: {name: "Bob"}}
+    obj.child.self = obj.child
+
+    stringify(obj, null, 2).must.eql(jsonify({
+      name: "Alice",
+      child: {name: "Bob", self: "[Circular ~.child]"}
+    }))
+  })
+
+  it("must stringify circular objects deeper with intermediaries", function() {
+    var obj = {name: "Alice", child: {name: "Bob"}}
+    obj.child.identity = {self: obj.child}
+
+    stringify(obj, null, 2).must.eql(jsonify({
+      name: "Alice",
+      child: {name: "Bob", identity: {self: "[Circular ~.child]"}}
+    }))
+  })
+
+  it("must stringify circular objects in an array", function() {
+    var obj = {name: "Alice"}
+    obj.self = [obj, obj]
+
+    stringify(obj, null, 2).must.eql(jsonify({
+      name: "Alice", self: ["[Circular ~]", "[Circular ~]"]
+    }))
+  })
+
+  it("must stringify circular objects deeper in an array", function() {
+    var obj = {name: "Alice", children: [{name: "Bob"}, {name: "Eve"}]}
+    obj.children[0].self = obj.children[0]
+    obj.children[1].self = obj.children[1]
+
+    stringify(obj, null, 2).must.eql(jsonify({
+      name: "Alice",
+      children: [
+        {name: "Bob", self: "[Circular ~.children.0]"},
+        {name: "Eve", self: "[Circular ~.children.1]"}
+      ]
+    }))
+  })
+
+  it("must stringify circular arrays", function() {
+    var obj = []
+    obj.push(obj)
+    obj.push(obj)
+    var json = stringify(obj, null, 2)
+    json.must.eql(jsonify(["[Circular ~]", "[Circular ~]"]))
+  })
+
+  it("must stringify circular arrays with intermediaries", function() {
+    var obj = []
+    obj.push({name: "Alice", self: obj})
+    obj.push({name: "Bob", self: obj})
+
+    stringify(obj, null, 2).must.eql(jsonify([
+      {name: "Alice", self: "[Circular ~]"},
+      {name: "Bob", self: "[Circular ~]"}
+    ]))
+  })
+
+  it("must stringify repeated objects in objects", function() {
+    var obj = {}
+    var alice = {name: "Alice"}
+    obj.alice1 = alice
+    obj.alice2 = alice
+
+    stringify(obj, null, 2).must.eql(jsonify({
+      alice1: {name: "Alice"},
+      alice2: {name: "Alice"}
+    }))
+  })
+
+  it("must stringify repeated objects in arrays", function() {
+    var alice = {name: "Alice"}
+    var obj = [alice, alice]
+    var json = stringify(obj, null, 2)
+    json.must.eql(jsonify([{name: "Alice"}, {name: "Alice"}]))
+  })
+
+  it("must call given decycler and use its output", function() {
+    var obj = {}
+    obj.a = obj
+    obj.b = obj
+
+    var decycle = Sinon.spy(function() { return decycle.callCount })
+    var json = stringify(obj, null, 2, decycle)
+    json.must.eql(jsonify({a: 1, b: 2}, null, 2))
+
+    decycle.callCount.must.equal(2)
+    decycle.thisValues[0].must.equal(obj)
+    decycle.args[0][0].must.equal("a")
+    decycle.args[0][1].must.equal(obj)
+    decycle.thisValues[1].must.equal(obj)
+    decycle.args[1][0].must.equal("b")
+    decycle.args[1][1].must.equal(obj)
+  })
+
+  it("must call replacer and use its output", function() {
+    var obj = {name: "Alice", child: {name: "Bob"}}
+
+    var replacer = Sinon.spy(bangString)
+    var json = stringify(obj, replacer, 2)
+    json.must.eql(jsonify({name: "Alice!", child: {name: "Bob!"}}))
+
+    replacer.callCount.must.equal(4)
+    replacer.args[0][0].must.equal("")
+    replacer.args[0][1].must.equal(obj)
+    replacer.thisValues[1].must.equal(obj)
+    replacer.args[1][0].must.equal("name")
+    replacer.args[1][1].must.equal("Alice")
+    replacer.thisValues[2].must.equal(obj)
+    replacer.args[2][0].must.equal("child")
+    replacer.args[2][1].must.equal(obj.child)
+    replacer.thisValues[3].must.equal(obj.child)
+    replacer.args[3][0].must.equal("name")
+    replacer.args[3][1].must.equal("Bob")
+  })
+
+  it("must call replacer after describing circular references", function() {
+    var obj = {name: "Alice"}
+    obj.self = obj
+
+    var replacer = Sinon.spy(bangString)
+    var json = stringify(obj, replacer, 2)
+    json.must.eql(jsonify({name: "Alice!", self: "[Circular ~]!"}))
+
+    replacer.callCount.must.equal(3)
+    replacer.args[0][0].must.equal("")
+    replacer.args[0][1].must.equal(obj)
+    replacer.thisValues[1].must.equal(obj)
+    replacer.args[1][0].must.equal("name")
+    replacer.args[1][1].must.equal("Alice")
+    replacer.thisValues[2].must.equal(obj)
+    replacer.args[2][0].must.equal("self")
+    replacer.args[2][1].must.equal("[Circular ~]")
+  })
+
+  it("must call given decycler and use its output for nested objects",
+    function() {
+    var obj = {}
+    obj.a = obj
+    obj.b = {self: obj}
+
+    var decycle = Sinon.spy(function() { return decycle.callCount })
+    var json = stringify(obj, null, 2, decycle)
+    json.must.eql(jsonify({a: 1, b: {self: 2}}))
+
+    decycle.callCount.must.equal(2)
+    decycle.args[0][0].must.equal("a")
+    decycle.args[0][1].must.equal(obj)
+    decycle.args[1][0].must.equal("self")
+    decycle.args[1][1].must.equal(obj)
+  })
+
+  it("must use decycler's output when it returned null", function() {
+    var obj = {a: "b"}
+    obj.self = obj
+    obj.selves = [obj, obj]
+
+    function decycle() { return null }
+    stringify(obj, null, 2, decycle).must.eql(jsonify({
+      a: "b",
+      self: null,
+      selves: [null, null]
+    }))
+  })
+
+  it("must use decycler's output when it returned undefined", function() {
+    var obj = {a: "b"}
+    obj.self = obj
+    obj.selves = [obj, obj]
+
+    function decycle() {}
+    stringify(obj, null, 2, decycle).must.eql(jsonify({
+      a: "b",
+      selves: [null, null]
+    }))
+  })
+
+  it("must throw given a decycler that returns a cycle", function() {
+    var obj = {}
+    obj.self = obj
+    var err
+    function identity(key, value) { return value }
+    try { stringify(obj, null, 2, identity) } catch (ex) { err = ex }
+    err.must.be.an.instanceof(TypeError)
+  })
+
+  describe(".getSerialize", function() {
+    it("must stringify circular objects", function() {
+      var obj = {a: "b"}
+      obj.circularRef = obj
+      obj.list = [obj, obj]
+
+      var json = JSON.stringify(obj, stringify.getSerialize(), 2)
+      json.must.eql(jsonify({
+        "a": "b",
+        "circularRef": "[Circular ~]",
+        "list": ["[Circular ~]", "[Circular ~]"]
+      }))
+    })
+
+    // This is the behavior as of Mar 3, 2015.
+    // The serializer function keeps state inside the returned function and
+    // so far I'm not sure how to not do that. JSON.stringify's replacer is not
+    // called _after_ serialization.
+    xit("must return a function that could be called twice", function() {
+      var obj = {name: "Alice"}
+      obj.self = obj
+
+      var json
+      var serializer = stringify.getSerialize()
+
+      json = JSON.stringify(obj, serializer, 2)
+      json.must.eql(jsonify({name: "Alice", self: "[Circular ~]"}))
+
+      json = JSON.stringify(obj, serializer, 2)
+      json.must.eql(jsonify({name: "Alice", self: "[Circular ~]"}))
+    })
+  })
+})
+
+function bangString(key, value) {
+  return typeof value == "string" ? value + "!" : value
+}
diff --git a/node_modules/jsprim/CHANGES.md b/node_modules/jsprim/CHANGES.md
new file mode 100644
index 000000000..0e51ff2b1
--- /dev/null
+++ b/node_modules/jsprim/CHANGES.md
@@ -0,0 +1,53 @@
+# Changelog
+
+## not yet released
+
+None yet.
+
+## v1.4.2 (2021-11-29)
+
+* #35 Backport json-schema 0.4.0 to version 1.4.x
+
+## v1.4.1 (2017-08-02)
+
+* #21 Update verror dep
+* #22 Update extsprintf dependency
+* #23 update contribution guidelines
+
+## v1.4.0 (2017-03-13)
+
+* #7 Add parseInteger() function for safer number parsing
+
+## v1.3.1 (2016-09-12)
+
+* #13 Incompatible with webpack
+
+## v1.3.0 (2016-06-22)
+
+* #14 add safer version of hasOwnProperty()
+* #15 forEachKey() should ignore inherited properties
+
+## v1.2.2 (2015-10-15)
+
+* #11 NPM package shouldn't include any code that does `require('JSV')`
+* #12 jsl.node.conf missing definition for "module"
+
+## v1.2.1 (2015-10-14)
+
+* #8 odd date parsing behaviour
+
+## v1.2.0 (2015-10-13)
+
+* #9 want function for returning RFC1123 dates
+
+## v1.1.0 (2015-09-02)
+
+* #6 a new suite of hrtime manipulation routines: `hrtimeAdd()`,
+  `hrtimeAccum()`, `hrtimeNanosec()`, `hrtimeMicrosec()` and
+  `hrtimeMillisec()`.
+
+## v1.0.0 (2015-09-01)
+
+First tracked release.  Includes everything in previous releases, plus:
+
+* #4 want function for merging objects
diff --git a/node_modules/jsprim/CONTRIBUTING.md b/node_modules/jsprim/CONTRIBUTING.md
new file mode 100644
index 000000000..750cef8df
--- /dev/null
+++ b/node_modules/jsprim/CONTRIBUTING.md
@@ -0,0 +1,19 @@
+# Contributing
+
+This repository uses [cr.joyent.us](https://cr.joyent.us) (Gerrit) for new
+changes.  Anyone can submit changes.  To get started, see the [cr.joyent.us user
+guide](https://github.com/joyent/joyent-gerrit/blob/master/docs/user/README.md).
+This repo does not use GitHub pull requests.
+
+See the [Joyent Engineering
+Guidelines](https://github.com/joyent/eng/blob/master/docs/index.md) for general
+best practices expected in this repository.
+
+Contributions should be "make prepush" clean.  The "prepush" target runs the
+"check" target, which requires these separate tools:
+
+* https://github.com/davepacheco/jsstyle
+* https://github.com/davepacheco/javascriptlint
+
+If you're changing something non-trivial or user-facing, you may want to submit
+an issue first.
diff --git a/node_modules/jsprim/LICENSE b/node_modules/jsprim/LICENSE
new file mode 100644
index 000000000..cbc0bb3ba
--- /dev/null
+++ b/node_modules/jsprim/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2012, Joyent, Inc. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE
diff --git a/node_modules/jsprim/README.md b/node_modules/jsprim/README.md
new file mode 100644
index 000000000..b3f28a46c
--- /dev/null
+++ b/node_modules/jsprim/README.md
@@ -0,0 +1,287 @@
+# jsprim: utilities for primitive JavaScript types
+
+This module provides miscellaneous facilities for working with strings,
+numbers, dates, and objects and arrays of these basic types.
+
+
+### deepCopy(obj)
+
+Creates a deep copy of a primitive type, object, or array of primitive types.
+
+
+### deepEqual(obj1, obj2)
+
+Returns whether two objects are equal.
+
+
+### isEmpty(obj)
+
+Returns true if the given object has no properties and false otherwise.  This
+is O(1) (unlike `Object.keys(obj).length === 0`, which is O(N)).
+
+### hasKey(obj, key)
+
+Returns true if the given object has an enumerable, non-inherited property
+called `key`.  [For information on enumerability and ownership of properties, see
+the MDN
+documentation.](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Enumerability_and_ownership_of_properties)
+
+### forEachKey(obj, callback)
+
+Like Array.forEach, but iterates enumerable, owned properties of an object
+rather than elements of an array.  Equivalent to:
+
+    for (var key in obj) {
+            if (Object.prototype.hasOwnProperty.call(obj, key)) {
+                    callback(key, obj[key]);
+            }
+    }
+
+
+### flattenObject(obj, depth)
+
+Flattens an object up to a given level of nesting, returning an array of arrays
+of length "depth + 1", where the first "depth" elements correspond to flattened
+columns and the last element contains the remaining object .  For example:
+
+    flattenObject({
+        'I': {
+            'A': {
+                'i': {
+                    'datum1': [ 1, 2 ],
+                    'datum2': [ 3, 4 ]
+                },
+                'ii': {
+                    'datum1': [ 3, 4 ]
+                }
+            },
+            'B': {
+                'i': {
+                    'datum1': [ 5, 6 ]
+                },
+                'ii': {
+                    'datum1': [ 7, 8 ],
+                    'datum2': [ 3, 4 ],
+                },
+                'iii': {
+                }
+            }
+        },
+        'II': {
+            'A': {
+                'i': {
+                    'datum1': [ 1, 2 ],
+                    'datum2': [ 3, 4 ]
+                }
+            }
+        }
+    }, 3)
+
+becomes:
+
+    [
+        [ 'I',  'A', 'i',   { 'datum1': [ 1, 2 ], 'datum2': [ 3, 4 ] } ],
+        [ 'I',  'A', 'ii',  { 'datum1': [ 3, 4 ] } ],
+        [ 'I',  'B', 'i',   { 'datum1': [ 5, 6 ] } ],
+        [ 'I',  'B', 'ii',  { 'datum1': [ 7, 8 ], 'datum2': [ 3, 4 ] } ],
+        [ 'I',  'B', 'iii', {} ],
+        [ 'II', 'A', 'i',   { 'datum1': [ 1, 2 ], 'datum2': [ 3, 4 ] } ]
+    ]
+
+This function is strict: "depth" must be a non-negative integer and "obj" must
+be a non-null object with at least "depth" levels of nesting under all keys.
+
+
+### flattenIter(obj, depth, func)
+
+This is similar to `flattenObject` except that instead of returning an array,
+this function invokes `func(entry)` for each `entry` in the array that
+`flattenObject` would return.  `flattenIter(obj, depth, func)` is logically
+equivalent to `flattenObject(obj, depth).forEach(func)`.  Importantly, this
+version never constructs the full array.  Its memory usage is O(depth) rather
+than O(n) (where `n` is the number of flattened elements).
+
+There's another difference between `flattenObject` and `flattenIter` that's
+related to the special case where `depth === 0`.  In this case, `flattenObject`
+omits the array wrapping `obj` (which is regrettable).
+
+
+### pluck(obj, key)
+
+Fetch nested property "key" from object "obj", traversing objects as needed.
+For example, `pluck(obj, "foo.bar.baz")` is roughly equivalent to
+`obj.foo.bar.baz`, except that:
+
+1. If traversal fails, the resulting value is undefined, and no error is
+   thrown.  For example, `pluck({}, "foo.bar")` is just undefined.
+2. If "obj" has property "key" directly (without traversing), the
+   corresponding property is returned.  For example,
+   `pluck({ 'foo.bar': 1 }, 'foo.bar')` is 1, not undefined.  This is also
+   true recursively, so `pluck({ 'a': { 'foo.bar': 1 } }, 'a.foo.bar')` is
+   also 1, not undefined.
+
+
+### randElt(array)
+
+Returns an element from "array" selected uniformly at random.  If "array" is
+empty, throws an Error.
+
+
+### startsWith(str, prefix)
+
+Returns true if the given string starts with the given prefix and false
+otherwise.
+
+
+### endsWith(str, suffix)
+
+Returns true if the given string ends with the given suffix and false
+otherwise.
+
+
+### parseInteger(str, options)
+
+Parses the contents of `str` (a string) as an integer. On success, the integer
+value is returned (as a number). On failure, an error is **returned** describing
+why parsing failed.
+
+By default, leading and trailing whitespace characters are not allowed, nor are
+trailing characters that are not part of the numeric representation. This
+behaviour can be toggled by using the options below. The empty string (`''`) is
+not considered valid input. If the return value cannot be precisely represented
+as a number (i.e., is smaller than `Number.MIN_SAFE_INTEGER` or larger than
+`Number.MAX_SAFE_INTEGER`), an error is returned. Additionally, the string
+`'-0'` will be parsed as the integer `0`, instead of as the IEEE floating point
+value `-0`.
+
+This function accepts both upper and lowercase characters for digits, similar to
+`parseInt()`, `Number()`, and [strtol(3C)](https://illumos.org/man/3C/strtol).
+
+The following may be specified in `options`:
+
+Option             | Type    | Default | Meaning
+------------------ | ------- | ------- | ---------------------------
+base               | number  | 10      | numeric base (radix) to use, in the range 2 to 36
+allowSign          | boolean | true    | whether to interpret any leading `+` (positive) and `-` (negative) characters
+allowImprecise     | boolean | false   | whether to accept values that may have lost precision (past `MAX_SAFE_INTEGER` or below `MIN_SAFE_INTEGER`)
+allowPrefix        | boolean | false   | whether to interpret the prefixes `0b` (base 2), `0o` (base 8), `0t` (base 10), or `0x` (base 16)
+allowTrailing      | boolean | false   | whether to ignore trailing characters
+trimWhitespace     | boolean | false   | whether to trim any leading or trailing whitespace/line terminators
+leadingZeroIsOctal | boolean | false   | whether a leading zero indicates octal
+
+Note that if `base` is unspecified, and `allowPrefix` or `leadingZeroIsOctal`
+are, then the leading characters can change the default base from 10. If `base`
+is explicitly specified and `allowPrefix` is true, then the prefix will only be
+accepted if it matches the specified base. `base` and `leadingZeroIsOctal`
+cannot be used together.
+
+**Context:** It's tricky to parse integers with JavaScript's built-in facilities
+for several reasons:
+
+- `parseInt()` and `Number()` by default allow the base to be specified in the
+  input string by a prefix (e.g., `0x` for hex).
+- `parseInt()` allows trailing nonnumeric characters.
+- `Number(str)` returns 0 when `str` is the empty string (`''`).
+- Both functions return incorrect values when the input string represents a
+  valid integer outside the range of integers that can be represented precisely.
+  Specifically, `parseInt('9007199254740993')` returns 9007199254740992.
+- Both functions always accept `-` and `+` signs before the digit.
+- Some older JavaScript engines always interpret a leading 0 as indicating
+  octal, which can be surprising when parsing input from users who expect a
+  leading zero to be insignificant.
+
+While each of these may be desirable in some contexts, there are also times when
+none of them are wanted. `parseInteger()` grants greater control over what
+input's permissible.
+
+### iso8601(date)
+
+Converts a Date object to an ISO8601 date string of the form
+"YYYY-MM-DDTHH:MM:SS.sssZ".  This format is not customizable.
+
+
+### parseDateTime(str)
+
+Parses a date expressed as a string, as either a number of milliseconds since
+the epoch or any string format that Date accepts, giving preference to the
+former where these two sets overlap (e.g., strings containing small numbers).
+
+
+### hrtimeDiff(timeA, timeB)
+
+Given two hrtime readings (as from Node's `process.hrtime()`), where timeA is
+later than timeB, compute the difference and return that as an hrtime.  It is
+illegal to invoke this for a pair of times where timeB is newer than timeA.
+
+### hrtimeAdd(timeA, timeB)
+
+Add two hrtime intervals (as from Node's `process.hrtime()`), returning a new
+hrtime interval array.  This function does not modify either input argument.
+
+
+### hrtimeAccum(timeA, timeB)
+
+Add two hrtime intervals (as from Node's `process.hrtime()`), storing the
+result in `timeA`.  This function overwrites (and returns) the first argument
+passed in.
+
+
+### hrtimeNanosec(timeA), hrtimeMicrosec(timeA), hrtimeMillisec(timeA)
+
+This suite of functions converts a hrtime interval (as from Node's
+`process.hrtime()`) into a scalar number of nanoseconds, microseconds or
+milliseconds.  Results are truncated, as with `Math.floor()`.
+
+
+### validateJsonObject(schema, object)
+
+Uses JSON validation (via JSV) to validate the given object against the given
+schema.  On success, returns null.  On failure, *returns* (does not throw) a
+useful Error object.
+
+
+### extraProperties(object, allowed)
+
+Check an object for unexpected properties.  Accepts the object to check, and an
+array of allowed property name strings.  If extra properties are detected, an
+array of extra property names is returned.  If no properties other than those
+in the allowed list are present on the object, the returned array will be of
+zero length.
+
+### mergeObjects(provided, overrides, defaults)
+
+Merge properties from objects "provided", "overrides", and "defaults".  The
+intended use case is for functions that accept named arguments in an "args"
+object, but want to provide some default values and override other values.  In
+that case, "provided" is what the caller specified, "overrides" are what the
+function wants to override, and "defaults" contains default values.
+
+The function starts with the values in "defaults", overrides them with the
+values in "provided", and then overrides those with the values in "overrides".
+For convenience, any of these objects may be falsey, in which case they will be
+ignored.  The input objects are never modified, but properties in the returned
+object are not deep-copied.
+
+For example:
+
+    mergeObjects(undefined, { 'objectMode': true }, { 'highWaterMark': 0 })
+
+returns:
+
+    { 'objectMode': true, 'highWaterMark': 0 }
+
+For another example:
+
+    mergeObjects(
+        { 'highWaterMark': 16, 'objectMode': 7 }, /* from caller */
+        { 'objectMode': true },                   /* overrides */
+        { 'highWaterMark': 0 });                  /* default */
+
+returns:
+
+    { 'objectMode': true, 'highWaterMark': 16 }
+
+
+# Contributing
+
+See separate [contribution guidelines](CONTRIBUTING.md).
diff --git a/node_modules/jsprim/lib/jsprim.js b/node_modules/jsprim/lib/jsprim.js
new file mode 100644
index 000000000..f7d0d81c3
--- /dev/null
+++ b/node_modules/jsprim/lib/jsprim.js
@@ -0,0 +1,735 @@
+/*
+ * lib/jsprim.js: utilities for primitive JavaScript types
+ */
+
+var mod_assert = require('assert-plus');
+var mod_util = require('util');
+
+var mod_extsprintf = require('extsprintf');
+var mod_verror = require('verror');
+var mod_jsonschema = require('json-schema');
+
+/*
+ * Public interface
+ */
+exports.deepCopy = deepCopy;
+exports.deepEqual = deepEqual;
+exports.isEmpty = isEmpty;
+exports.hasKey = hasKey;
+exports.forEachKey = forEachKey;
+exports.pluck = pluck;
+exports.flattenObject = flattenObject;
+exports.flattenIter = flattenIter;
+exports.validateJsonObject = validateJsonObjectJS;
+exports.validateJsonObjectJS = validateJsonObjectJS;
+exports.randElt = randElt;
+exports.extraProperties = extraProperties;
+exports.mergeObjects = mergeObjects;
+
+exports.startsWith = startsWith;
+exports.endsWith = endsWith;
+
+exports.parseInteger = parseInteger;
+
+exports.iso8601 = iso8601;
+exports.rfc1123 = rfc1123;
+exports.parseDateTime = parseDateTime;
+
+exports.hrtimediff = hrtimeDiff;
+exports.hrtimeDiff = hrtimeDiff;
+exports.hrtimeAccum = hrtimeAccum;
+exports.hrtimeAdd = hrtimeAdd;
+exports.hrtimeNanosec = hrtimeNanosec;
+exports.hrtimeMicrosec = hrtimeMicrosec;
+exports.hrtimeMillisec = hrtimeMillisec;
+
+
+/*
+ * Deep copy an acyclic *basic* Javascript object.  This only handles basic
+ * scalars (strings, numbers, booleans) and arbitrarily deep arrays and objects
+ * containing these.  This does *not* handle instances of other classes.
+ */
+function deepCopy(obj)
+{
+	var ret, key;
+	var marker = '__deepCopy';
+
+	if (obj && obj[marker])
+		throw (new Error('attempted deep copy of cyclic object'));
+
+	if (obj && obj.constructor == Object) {
+		ret = {};
+		obj[marker] = true;
+
+		for (key in obj) {
+			if (key == marker)
+				continue;
+
+			ret[key] = deepCopy(obj[key]);
+		}
+
+		delete (obj[marker]);
+		return (ret);
+	}
+
+	if (obj && obj.constructor == Array) {
+		ret = [];
+		obj[marker] = true;
+
+		for (key = 0; key < obj.length; key++)
+			ret.push(deepCopy(obj[key]));
+
+		delete (obj[marker]);
+		return (ret);
+	}
+
+	/*
+	 * It must be a primitive type -- just return it.
+	 */
+	return (obj);
+}
+
+function deepEqual(obj1, obj2)
+{
+	if (typeof (obj1) != typeof (obj2))
+		return (false);
+
+	if (obj1 === null || obj2 === null || typeof (obj1) != 'object')
+		return (obj1 === obj2);
+
+	if (obj1.constructor != obj2.constructor)
+		return (false);
+
+	var k;
+	for (k in obj1) {
+		if (!obj2.hasOwnProperty(k))
+			return (false);
+
+		if (!deepEqual(obj1[k], obj2[k]))
+			return (false);
+	}
+
+	for (k in obj2) {
+		if (!obj1.hasOwnProperty(k))
+			return (false);
+	}
+
+	return (true);
+}
+
+function isEmpty(obj)
+{
+	var key;
+	for (key in obj)
+		return (false);
+	return (true);
+}
+
+function hasKey(obj, key)
+{
+	mod_assert.equal(typeof (key), 'string');
+	return (Object.prototype.hasOwnProperty.call(obj, key));
+}
+
+function forEachKey(obj, callback)
+{
+	for (var key in obj) {
+		if (hasKey(obj, key)) {
+			callback(key, obj[key]);
+		}
+	}
+}
+
+function pluck(obj, key)
+{
+	mod_assert.equal(typeof (key), 'string');
+	return (pluckv(obj, key));
+}
+
+function pluckv(obj, key)
+{
+	if (obj === null || typeof (obj) !== 'object')
+		return (undefined);
+
+	if (obj.hasOwnProperty(key))
+		return (obj[key]);
+
+	var i = key.indexOf('.');
+	if (i == -1)
+		return (undefined);
+
+	var key1 = key.substr(0, i);
+	if (!obj.hasOwnProperty(key1))
+		return (undefined);
+
+	return (pluckv(obj[key1], key.substr(i + 1)));
+}
+
+/*
+ * Invoke callback(row) for each entry in the array that would be returned by
+ * flattenObject(data, depth).  This is just like flattenObject(data,
+ * depth).forEach(callback), except that the intermediate array is never
+ * created.
+ */
+function flattenIter(data, depth, callback)
+{
+	doFlattenIter(data, depth, [], callback);
+}
+
+function doFlattenIter(data, depth, accum, callback)
+{
+	var each;
+	var key;
+
+	if (depth === 0) {
+		each = accum.slice(0);
+		each.push(data);
+		callback(each);
+		return;
+	}
+
+	mod_assert.ok(data !== null);
+	mod_assert.equal(typeof (data), 'object');
+	mod_assert.equal(typeof (depth), 'number');
+	mod_assert.ok(depth >= 0);
+
+	for (key in data) {
+		each = accum.slice(0);
+		each.push(key);
+		doFlattenIter(data[key], depth - 1, each, callback);
+	}
+}
+
+function flattenObject(data, depth)
+{
+	if (depth === 0)
+		return ([ data ]);
+
+	mod_assert.ok(data !== null);
+	mod_assert.equal(typeof (data), 'object');
+	mod_assert.equal(typeof (depth), 'number');
+	mod_assert.ok(depth >= 0);
+
+	var rv = [];
+	var key;
+
+	for (key in data) {
+		flattenObject(data[key], depth - 1).forEach(function (p) {
+			rv.push([ key ].concat(p));
+		});
+	}
+
+	return (rv);
+}
+
+function startsWith(str, prefix)
+{
+	return (str.substr(0, prefix.length) == prefix);
+}
+
+function endsWith(str, suffix)
+{
+	return (str.substr(
+	    str.length - suffix.length, suffix.length) == suffix);
+}
+
+function iso8601(d)
+{
+	if (typeof (d) == 'number')
+		d = new Date(d);
+	mod_assert.ok(d.constructor === Date);
+	return (mod_extsprintf.sprintf('%4d-%02d-%02dT%02d:%02d:%02d.%03dZ',
+	    d.getUTCFullYear(), d.getUTCMonth() + 1, d.getUTCDate(),
+	    d.getUTCHours(), d.getUTCMinutes(), d.getUTCSeconds(),
+	    d.getUTCMilliseconds()));
+}
+
+var RFC1123_MONTHS = [
+    'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
+    'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+var RFC1123_DAYS = [
+    'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
+
+function rfc1123(date) {
+	return (mod_extsprintf.sprintf('%s, %02d %s %04d %02d:%02d:%02d GMT',
+	    RFC1123_DAYS[date.getUTCDay()], date.getUTCDate(),
+	    RFC1123_MONTHS[date.getUTCMonth()], date.getUTCFullYear(),
+	    date.getUTCHours(), date.getUTCMinutes(),
+	    date.getUTCSeconds()));
+}
+
+/*
+ * Parses a date expressed as a string, as either a number of milliseconds since
+ * the epoch or any string format that Date accepts, giving preference to the
+ * former where these two sets overlap (e.g., small numbers).
+ */
+function parseDateTime(str)
+{
+	/*
+	 * This is irritatingly implicit, but significantly more concise than
+	 * alternatives.  The "+str" will convert a string containing only a
+	 * number directly to a Number, or NaN for other strings.  Thus, if the
+	 * conversion succeeds, we use it (this is the milliseconds-since-epoch
+	 * case).  Otherwise, we pass the string directly to the Date
+	 * constructor to parse.
+	 */
+	var numeric = +str;
+	if (!isNaN(numeric)) {
+		return (new Date(numeric));
+	} else {
+		return (new Date(str));
+	}
+}
+
+
+/*
+ * Number.*_SAFE_INTEGER isn't present before node v0.12, so we hardcode
+ * the ES6 definitions here, while allowing for them to someday be higher.
+ */
+var MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;
+var MIN_SAFE_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991;
+
+
+/*
+ * Default options for parseInteger().
+ */
+var PI_DEFAULTS = {
+	base: 10,
+	allowSign: true,
+	allowPrefix: false,
+	allowTrailing: false,
+	allowImprecise: false,
+	trimWhitespace: false,
+	leadingZeroIsOctal: false
+};
+
+var CP_0 = 0x30;
+var CP_9 = 0x39;
+
+var CP_A = 0x41;
+var CP_B = 0x42;
+var CP_O = 0x4f;
+var CP_T = 0x54;
+var CP_X = 0x58;
+var CP_Z = 0x5a;
+
+var CP_a = 0x61;
+var CP_b = 0x62;
+var CP_o = 0x6f;
+var CP_t = 0x74;
+var CP_x = 0x78;
+var CP_z = 0x7a;
+
+var PI_CONV_DEC = 0x30;
+var PI_CONV_UC = 0x37;
+var PI_CONV_LC = 0x57;
+
+
+/*
+ * A stricter version of parseInt() that provides options for changing what
+ * is an acceptable string (for example, disallowing trailing characters).
+ */
+function parseInteger(str, uopts)
+{
+	mod_assert.string(str, 'str');
+	mod_assert.optionalObject(uopts, 'options');
+
+	var baseOverride = false;
+	var options = PI_DEFAULTS;
+
+	if (uopts) {
+		baseOverride = hasKey(uopts, 'base');
+		options = mergeObjects(options, uopts);
+		mod_assert.number(options.base, 'options.base');
+		mod_assert.ok(options.base >= 2, 'options.base >= 2');
+		mod_assert.ok(options.base <= 36, 'options.base <= 36');
+		mod_assert.bool(options.allowSign, 'options.allowSign');
+		mod_assert.bool(options.allowPrefix, 'options.allowPrefix');
+		mod_assert.bool(options.allowTrailing,
+		    'options.allowTrailing');
+		mod_assert.bool(options.allowImprecise,
+		    'options.allowImprecise');
+		mod_assert.bool(options.trimWhitespace,
+		    'options.trimWhitespace');
+		mod_assert.bool(options.leadingZeroIsOctal,
+		    'options.leadingZeroIsOctal');
+
+		if (options.leadingZeroIsOctal) {
+			mod_assert.ok(!baseOverride,
+			    '"base" and "leadingZeroIsOctal" are ' +
+			    'mutually exclusive');
+		}
+	}
+
+	var c;
+	var pbase = -1;
+	var base = options.base;
+	var start;
+	var mult = 1;
+	var value = 0;
+	var idx = 0;
+	var len = str.length;
+
+	/* Trim any whitespace on the left side. */
+	if (options.trimWhitespace) {
+		while (idx < len && isSpace(str.charCodeAt(idx))) {
+			++idx;
+		}
+	}
+
+	/* Check the number for a leading sign. */
+	if (options.allowSign) {
+		if (str[idx] === '-') {
+			idx += 1;
+			mult = -1;
+		} else if (str[idx] === '+') {
+			idx += 1;
+		}
+	}
+
+	/* Parse the base-indicating prefix if there is one. */
+	if (str[idx] === '0') {
+		if (options.allowPrefix) {
+			pbase = prefixToBase(str.charCodeAt(idx + 1));
+			if (pbase !== -1 && (!baseOverride || pbase === base)) {
+				base = pbase;
+				idx += 2;
+			}
+		}
+
+		if (pbase === -1 && options.leadingZeroIsOctal) {
+			base = 8;
+		}
+	}
+
+	/* Parse the actual digits. */
+	for (start = idx; idx < len; ++idx) {
+		c = translateDigit(str.charCodeAt(idx));
+		if (c !== -1 && c < base) {
+			value *= base;
+			value += c;
+		} else {
+			break;
+		}
+	}
+
+	/* If we didn't parse any digits, we have an invalid number. */
+	if (start === idx) {
+		return (new Error('invalid number: ' + JSON.stringify(str)));
+	}
+
+	/* Trim any whitespace on the right side. */
+	if (options.trimWhitespace) {
+		while (idx < len && isSpace(str.charCodeAt(idx))) {
+			++idx;
+		}
+	}
+
+	/* Check for trailing characters. */
+	if (idx < len && !options.allowTrailing) {
+		return (new Error('trailing characters after number: ' +
+		    JSON.stringify(str.slice(idx))));
+	}
+
+	/* If our value is 0, we return now, to avoid returning -0. */
+	if (value === 0) {
+		return (0);
+	}
+
+	/* Calculate our final value. */
+	var result = value * mult;
+
+	/*
+	 * If the string represents a value that cannot be precisely represented
+	 * by JavaScript, then we want to check that:
+	 *
+	 * - We never increased the value past MAX_SAFE_INTEGER
+	 * - We don't make the result negative and below MIN_SAFE_INTEGER
+	 *
+	 * Because we only ever increment the value during parsing, there's no
+	 * chance of moving past MAX_SAFE_INTEGER and then dropping below it
+	 * again, losing precision in the process. This means that we only need
+	 * to do our checks here, at the end.
+	 */
+	if (!options.allowImprecise &&
+	    (value > MAX_SAFE_INTEGER || result < MIN_SAFE_INTEGER)) {
+		return (new Error('number is outside of the supported range: ' +
+		    JSON.stringify(str.slice(start, idx))));
+	}
+
+	return (result);
+}
+
+
+/*
+ * Interpret a character code as a base-36 digit.
+ */
+function translateDigit(d)
+{
+	if (d >= CP_0 && d <= CP_9) {
+		/* '0' to '9' -> 0 to 9 */
+		return (d - PI_CONV_DEC);
+	} else if (d >= CP_A && d <= CP_Z) {
+		/* 'A' - 'Z' -> 10 to 35 */
+		return (d - PI_CONV_UC);
+	} else if (d >= CP_a && d <= CP_z) {
+		/* 'a' - 'z' -> 10 to 35 */
+		return (d - PI_CONV_LC);
+	} else {
+		/* Invalid character code */
+		return (-1);
+	}
+}
+
+
+/*
+ * Test if a value matches the ECMAScript definition of trimmable whitespace.
+ */
+function isSpace(c)
+{
+	return (c === 0x20) ||
+	    (c >= 0x0009 && c <= 0x000d) ||
+	    (c === 0x00a0) ||
+	    (c === 0x1680) ||
+	    (c === 0x180e) ||
+	    (c >= 0x2000 && c <= 0x200a) ||
+	    (c === 0x2028) ||
+	    (c === 0x2029) ||
+	    (c === 0x202f) ||
+	    (c === 0x205f) ||
+	    (c === 0x3000) ||
+	    (c === 0xfeff);
+}
+
+
+/*
+ * Determine which base a character indicates (e.g., 'x' indicates hex).
+ */
+function prefixToBase(c)
+{
+	if (c === CP_b || c === CP_B) {
+		/* 0b/0B (binary) */
+		return (2);
+	} else if (c === CP_o || c === CP_O) {
+		/* 0o/0O (octal) */
+		return (8);
+	} else if (c === CP_t || c === CP_T) {
+		/* 0t/0T (decimal) */
+		return (10);
+	} else if (c === CP_x || c === CP_X) {
+		/* 0x/0X (hexadecimal) */
+		return (16);
+	} else {
+		/* Not a meaningful character */
+		return (-1);
+	}
+}
+
+
+function validateJsonObjectJS(schema, input)
+{
+	var report = mod_jsonschema.validate(input, schema);
+
+	if (report.errors.length === 0)
+		return (null);
+
+	/* Currently, we only do anything useful with the first error. */
+	var error = report.errors[0];
+
+	/* The failed property is given by a URI with an irrelevant prefix. */
+	var propname = error['property'];
+	var reason = error['message'].toLowerCase();
+	var i, j;
+
+	/*
+	 * There's at least one case where the property error message is
+	 * confusing at best.  We work around this here.
+	 */
+	if ((i = reason.indexOf('the property ')) != -1 &&
+	    (j = reason.indexOf(' is not defined in the schema and the ' +
+	    'schema does not allow additional properties')) != -1) {
+		i += 'the property '.length;
+		if (propname === '')
+			propname = reason.substr(i, j - i);
+		else
+			propname = propname + '.' + reason.substr(i, j - i);
+
+		reason = 'unsupported property';
+	}
+
+	var rv = new mod_verror.VError('property "%s": %s', propname, reason);
+	rv.jsv_details = error;
+	return (rv);
+}
+
+function randElt(arr)
+{
+	mod_assert.ok(Array.isArray(arr) && arr.length > 0,
+	    'randElt argument must be a non-empty array');
+
+	return (arr[Math.floor(Math.random() * arr.length)]);
+}
+
+function assertHrtime(a)
+{
+	mod_assert.ok(a[0] >= 0 && a[1] >= 0,
+	    'negative numbers not allowed in hrtimes');
+	mod_assert.ok(a[1] < 1e9, 'nanoseconds column overflow');
+}
+
+/*
+ * Compute the time elapsed between hrtime readings A and B, where A is later
+ * than B.  hrtime readings come from Node's process.hrtime().  There is no
+ * defined way to represent negative deltas, so it's illegal to diff B from A
+ * where the time denoted by B is later than the time denoted by A.  If this
+ * becomes valuable, we can define a representation and extend the
+ * implementation to support it.
+ */
+function hrtimeDiff(a, b)
+{
+	assertHrtime(a);
+	assertHrtime(b);
+	mod_assert.ok(a[0] > b[0] || (a[0] == b[0] && a[1] >= b[1]),
+	    'negative differences not allowed');
+
+	var rv = [ a[0] - b[0], 0 ];
+
+	if (a[1] >= b[1]) {
+		rv[1] = a[1] - b[1];
+	} else {
+		rv[0]--;
+		rv[1] = 1e9 - (b[1] - a[1]);
+	}
+
+	return (rv);
+}
+
+/*
+ * Convert a hrtime reading from the array format returned by Node's
+ * process.hrtime() into a scalar number of nanoseconds.
+ */
+function hrtimeNanosec(a)
+{
+	assertHrtime(a);
+
+	return (Math.floor(a[0] * 1e9 + a[1]));
+}
+
+/*
+ * Convert a hrtime reading from the array format returned by Node's
+ * process.hrtime() into a scalar number of microseconds.
+ */
+function hrtimeMicrosec(a)
+{
+	assertHrtime(a);
+
+	return (Math.floor(a[0] * 1e6 + a[1] / 1e3));
+}
+
+/*
+ * Convert a hrtime reading from the array format returned by Node's
+ * process.hrtime() into a scalar number of milliseconds.
+ */
+function hrtimeMillisec(a)
+{
+	assertHrtime(a);
+
+	return (Math.floor(a[0] * 1e3 + a[1] / 1e6));
+}
+
+/*
+ * Add two hrtime readings A and B, overwriting A with the result of the
+ * addition.  This function is useful for accumulating several hrtime intervals
+ * into a counter.  Returns A.
+ */
+function hrtimeAccum(a, b)
+{
+	assertHrtime(a);
+	assertHrtime(b);
+
+	/*
+	 * Accumulate the nanosecond component.
+	 */
+	a[1] += b[1];
+	if (a[1] >= 1e9) {
+		/*
+		 * The nanosecond component overflowed, so carry to the seconds
+		 * field.
+		 */
+		a[0]++;
+		a[1] -= 1e9;
+	}
+
+	/*
+	 * Accumulate the seconds component.
+	 */
+	a[0] += b[0];
+
+	return (a);
+}
+
+/*
+ * Add two hrtime readings A and B, returning the result as a new hrtime array.
+ * Does not modify either input argument.
+ */
+function hrtimeAdd(a, b)
+{
+	assertHrtime(a);
+
+	var rv = [ a[0], a[1] ];
+
+	return (hrtimeAccum(rv, b));
+}
+
+
+/*
+ * Check an object for unexpected properties.  Accepts the object to check, and
+ * an array of allowed property names (strings).  Returns an array of key names
+ * that were found on the object, but did not appear in the list of allowed
+ * properties.  If no properties were found, the returned array will be of
+ * zero length.
+ */
+function extraProperties(obj, allowed)
+{
+	mod_assert.ok(typeof (obj) === 'object' && obj !== null,
+	    'obj argument must be a non-null object');
+	mod_assert.ok(Array.isArray(allowed),
+	    'allowed argument must be an array of strings');
+	for (var i = 0; i < allowed.length; i++) {
+		mod_assert.ok(typeof (allowed[i]) === 'string',
+		    'allowed argument must be an array of strings');
+	}
+
+	return (Object.keys(obj).filter(function (key) {
+		return (allowed.indexOf(key) === -1);
+	}));
+}
+
+/*
+ * Given three sets of properties "provided" (may be undefined), "overrides"
+ * (required), and "defaults" (may be undefined), construct an object containing
+ * the union of these sets with "overrides" overriding "provided", and
+ * "provided" overriding "defaults".  None of the input objects are modified.
+ */
+function mergeObjects(provided, overrides, defaults)
+{
+	var rv, k;
+
+	rv = {};
+	if (defaults) {
+		for (k in defaults)
+			rv[k] = defaults[k];
+	}
+
+	if (provided) {
+		for (k in provided)
+			rv[k] = provided[k];
+	}
+
+	if (overrides) {
+		for (k in overrides)
+			rv[k] = overrides[k];
+	}
+
+	return (rv);
+}
diff --git a/node_modules/jsprim/package.json b/node_modules/jsprim/package.json
new file mode 100644
index 000000000..daad74b7f
--- /dev/null
+++ b/node_modules/jsprim/package.json
@@ -0,0 +1,20 @@
+{
+	"name": "jsprim",
+	"version": "1.4.2",
+	"description": "utilities for primitive JavaScript types",
+	"main": "./lib/jsprim.js",
+	"repository": {
+		"type": "git",
+		"url": "git://github.com/joyent/node-jsprim.git"
+	},
+	"dependencies": {
+		"assert-plus": "1.0.0",
+		"extsprintf": "1.3.0",
+		"json-schema": "0.4.0",
+		"verror": "1.10.0"
+	},
+	"engines": {
+		"node": ">=0.6.0"
+	},
+	"license": "MIT"
+}
diff --git a/node_modules/kareem/.eslintrc.json b/node_modules/kareem/.eslintrc.json
new file mode 100644
index 000000000..3fee7aed1
--- /dev/null
+++ b/node_modules/kareem/.eslintrc.json
@@ -0,0 +1,16 @@
+{
+  "extends": [
+    "@masteringjs"
+  ],
+  "parserOptions": {
+    "ecmaVersion": 2020
+  },
+  "env": {
+    "node": true,
+    "es6": true
+  },
+  "rules": {
+    "no-var": "off",
+    "prefer-const": "off"
+  }
+}
\ No newline at end of file
diff --git a/node_modules/kareem/.github/workflows/test.yml b/node_modules/kareem/.github/workflows/test.yml
new file mode 100644
index 000000000..ed306cb6a
--- /dev/null
+++ b/node_modules/kareem/.github/workflows/test.yml
@@ -0,0 +1,47 @@
+name: Test
+on:
+  pull_request:
+  push:
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        node: [12, 14, 16, 18]
+        os: [ubuntu-20.04]
+    name: Node ${{ matrix.node }}
+    steps:
+      - uses: actions/checkout@a12a3943b4bdde767164f792f33f40b04645d846 # v3
+
+      - name: Setup node
+        uses: actions/setup-node@5b52f097d36d4b0b2f94ed6de710023fbb8b2236 # v3.1.0
+        with:
+          node-version: ${{ matrix.node }}
+
+      - run: npm install
+
+      - run: npm test
+
+  lint:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        node: [18]
+        os: [ubuntu-20.04]
+    name: Lint
+    steps:
+      - uses: actions/checkout@a12a3943b4bdde767164f792f33f40b04645d846 # v3
+
+      - name: Setup node
+        uses: actions/setup-node@5b52f097d36d4b0b2f94ed6de710023fbb8b2236 # v3.1.0
+        with:
+          node-version: ${{ matrix.node }}
+
+      - run: npm install
+
+      - run: npm run lint
\ No newline at end of file
diff --git a/node_modules/kareem/.travis.yml b/node_modules/kareem/.travis.yml
new file mode 100644
index 000000000..0a388b901
--- /dev/null
+++ b/node_modules/kareem/.travis.yml
@@ -0,0 +1,12 @@
+language: node_js
+node_js:
+  - "12"
+  - "10"
+  - "9"
+  - "8"
+  - "7"
+  - "6"
+  - "5"
+  - "4"
+script: "npm run-script test-travis"
+after_script: "npm install coveralls@2.10.0 && cat ./coverage/lcov.info | coveralls"
diff --git a/node_modules/kareem/CHANGELOG.md b/node_modules/kareem/CHANGELOG.md
new file mode 100644
index 000000000..02830dd1a
--- /dev/null
+++ b/node_modules/kareem/CHANGELOG.md
@@ -0,0 +1,808 @@
+# Changelog
+
+<a name="2.4.0"></a>
+## 2.4.0 (2022-06-13)
+
+* feat: add `overwriteResult()` and `skipWrappedFunction()` for more advanced control flow
+
+<a name="2.3.4"></a>
+## 2.3.4 (2022-02-10)
+
+* perf: various performance improvements #27 #24 #23 #22 #21 #20
+
+<a name="2.3.3"></a>
+## 2.3.3 (2021-12-26)
+
+* fix: handle sync errors in `wrap()`
+
+<a name="2.3.2"></a>
+## 2.3.2 (2020-12-08)
+
+* fix: handle sync errors in pre hooks if there are multiple hooks
+
+<a name="2.3.0"></a>
+## 2.3.0 (2018-09-24)
+
+* chore(release): 2.2.3 ([c8f2695](https://github.com/vkarpov15/kareem/commit/c8f2695))
+* chore(release): 2.2.4 ([a377a4f](https://github.com/vkarpov15/kareem/commit/a377a4f))
+* chore(release): 2.2.5 ([5a495e3](https://github.com/vkarpov15/kareem/commit/5a495e3))
+* fix(filter): copy async pres correctly with `filter()` ([1b1ed8a](https://github.com/vkarpov15/kareem/commit/1b1ed8a)), closes [Automattic/mongoose#3054](https://github.com/Automattic/mongoose/issues/3054)
+* feat: add filter() function ([1f641f4](https://github.com/vkarpov15/kareem/commit/1f641f4))
+* feat: support storing options on pre and post hooks ([59220b9](https://github.com/vkarpov15/kareem/commit/59220b9))
+
+
+
+<a name="2.2.3"></a>
+## <small>2.2.3 (2018-09-10)</small>
+
+* chore: release 2.2.3 ([af653a3](https://github.com/vkarpov15/kareem/commit/af653a3))
+
+
+
+<a name="2.2.2"></a>
+## <small>2.2.2 (2018-09-10)</small>
+
+* chore: release 2.2.2 ([3f0144d](https://github.com/vkarpov15/kareem/commit/3f0144d))
+* fix: allow merge() to not clone ([e628d65](https://github.com/vkarpov15/kareem/commit/e628d65))
+
+
+
+<a name="2.2.1"></a>
+## <small>2.2.1 (2018-06-05)</small>
+
+* chore: release 2.2.1 ([4625a64](https://github.com/vkarpov15/kareem/commit/4625a64))
+* chore: remove lockfile from git ([7f3e4e6](https://github.com/vkarpov15/kareem/commit/7f3e4e6))
+* fix: handle numAsync correctly when merging ([fef8e7e](https://github.com/vkarpov15/kareem/commit/fef8e7e))
+* test: repro issue with not copying numAsync ([952d9db](https://github.com/vkarpov15/kareem/commit/952d9db))
+
+
+
+<a name="2.2.0"></a>
+## 2.2.0 (2018-06-05)
+
+* chore: release 2.2.0 ([ff9ad03](https://github.com/vkarpov15/kareem/commit/ff9ad03))
+* fix: use maps instead of objects for _pres and _posts so `toString()` doesn't get reported as having ([55df303](https://github.com/vkarpov15/kareem/commit/55df303)), closes [Automattic/mongoose#6538](https://github.com/Automattic/mongoose/issues/6538)
+
+
+
+<a name="2.1.0"></a>
+## 2.1.0 (2018-05-16)
+
+* chore: release 2.1.0 ([ba5f1bc](https://github.com/vkarpov15/kareem/commit/ba5f1bc))
+* feat: add option to check wrapped function return value for promises ([c9d7dd1](https://github.com/vkarpov15/kareem/commit/c9d7dd1))
+* refactor: use const in wrap() ([0fc21f9](https://github.com/vkarpov15/kareem/commit/0fc21f9))
+
+
+
+<a name="2.0.7"></a>
+## <small>2.0.7 (2018-04-28)</small>
+
+* chore: release 2.0.7 ([0bf91e6](https://github.com/vkarpov15/kareem/commit/0bf91e6))
+* feat: add `hasHooks()` ([225f18d](https://github.com/vkarpov15/kareem/commit/225f18d)), closes [Automattic/mongoose#6385](https://github.com/Automattic/mongoose/issues/6385)
+
+
+
+<a name="2.0.6"></a>
+## <small>2.0.6 (2018-03-22)</small>
+
+* chore: release 2.0.6 ([f3d406b](https://github.com/vkarpov15/kareem/commit/f3d406b))
+* fix(wrap): ensure fast path still wraps function in `nextTick()` for chaining ([7000494](https://github.com/vkarpov15/kareem/commit/7000494)), closes [Automattic/mongoose#6250](https://github.com/Automattic/mongoose/issues/6250) [dsanel/mongoose-delete#36](https://github.com/dsanel/mongoose-delete/issues/36)
+
+
+
+<a name="2.0.5"></a>
+## <small>2.0.5 (2018-02-22)</small>
+
+* chore: release 2.0.5 ([3286612](https://github.com/vkarpov15/kareem/commit/3286612))
+* perf(createWrapper): don't create wrapper if there are no hooks ([5afc5b9](https://github.com/vkarpov15/kareem/commit/5afc5b9)), closes [Automattic/mongoose#6126](https://github.com/Automattic/mongoose/issues/6126)
+
+
+
+<a name="2.0.4"></a>
+## <small>2.0.4 (2018-02-08)</small>
+
+* chore: release 2.0.4 ([2ab0293](https://github.com/vkarpov15/kareem/commit/2ab0293))
+
+
+
+<a name="2.0.3"></a>
+## <small>2.0.3 (2018-02-01)</small>
+
+* chore: release 2.0.3 ([3c1abe5](https://github.com/vkarpov15/kareem/commit/3c1abe5))
+* fix: use process.nextTick() re: Automattic/mongoose#6074 ([e5bfe33](https://github.com/vkarpov15/kareem/commit/e5bfe33)), closes [Automattic/mongoose#6074](https://github.com/Automattic/mongoose/issues/6074)
+
+
+
+<a name="2.0.2"></a>
+## <small>2.0.2 (2018-01-24)</small>
+
+* chore: fix license ([a9d755c](https://github.com/vkarpov15/kareem/commit/a9d755c)), closes [#10](https://github.com/vkarpov15/kareem/issues/10)
+* chore: release 2.0.2 ([fe87ab6](https://github.com/vkarpov15/kareem/commit/fe87ab6))
+
+
+
+<a name="2.0.1"></a>
+## <small>2.0.1 (2018-01-09)</small>
+
+* chore: release 2.0.1 with lockfile bump ([09c44fb](https://github.com/vkarpov15/kareem/commit/09c44fb))
+
+
+
+<a name="2.0.0"></a>
+## 2.0.0 (2018-01-09)
+
+* chore: bump marked re: security ([cc564a9](https://github.com/vkarpov15/kareem/commit/cc564a9))
+* chore: release 2.0.0 ([f511d1c](https://github.com/vkarpov15/kareem/commit/f511d1c))
+
+
+
+<a name="2.0.0-rc5"></a>
+## 2.0.0-rc5 (2017-12-23)
+
+* chore: fix build on node 4+5 ([6dac5a4](https://github.com/vkarpov15/kareem/commit/6dac5a4))
+* chore: fix built on node 4 + 5 again ([434ef0a](https://github.com/vkarpov15/kareem/commit/434ef0a))
+* chore: release 2.0.0-rc5 ([25a32ee](https://github.com/vkarpov15/kareem/commit/25a32ee))
+
+
+
+<a name="2.0.0-rc4"></a>
+## 2.0.0-rc4 (2017-12-22)
+
+* chore: release 2.0.0-rc4 ([49fc083](https://github.com/vkarpov15/kareem/commit/49fc083))
+* BREAKING CHANGE: deduplicate when merging hooks re: Automattic/mongoose#2945 ([d458573](https://github.com/vkarpov15/kareem/commit/d458573)), closes [Automattic/mongoose#2945](https://github.com/Automattic/mongoose/issues/2945)
+
+
+
+<a name="2.0.0-rc3"></a>
+## 2.0.0-rc3 (2017-12-22)
+
+* chore: release 2.0.0-rc3 ([adaaa00](https://github.com/vkarpov15/kareem/commit/adaaa00))
+* feat: support returning promises from middleware functions ([05b4480](https://github.com/vkarpov15/kareem/commit/05b4480)), closes [Automattic/mongoose#3779](https://github.com/Automattic/mongoose/issues/3779)
+
+
+
+<a name="2.0.0-rc2"></a>
+## 2.0.0-rc2 (2017-12-21)
+
+* chore: release 2.0.0-rc2 ([76325fa](https://github.com/vkarpov15/kareem/commit/76325fa))
+* fix: ensure next() and done() run in next tick ([6c20684](https://github.com/vkarpov15/kareem/commit/6c20684))
+
+
+
+<a name="2.0.0-rc1"></a>
+## 2.0.0-rc1 (2017-12-21)
+
+* chore: improve test coverage re: Automattic/mongoose#3232 ([7b45cf0](https://github.com/vkarpov15/kareem/commit/7b45cf0)), closes [Automattic/mongoose#3232](https://github.com/Automattic/mongoose/issues/3232)
+* chore: release 2.0.0-rc1 ([9b83f52](https://github.com/vkarpov15/kareem/commit/9b83f52))
+* BREAKING CHANGE: report sync exceptions as errors, only allow calling next() and done() once ([674adcc](https://github.com/vkarpov15/kareem/commit/674adcc)), closes [Automattic/mongoose#3483](https://github.com/Automattic/mongoose/issues/3483)
+
+
+
+<a name="2.0.0-rc0"></a>
+## 2.0.0-rc0 (2017-12-17)
+
+* chore: release 2.0.0-rc0 ([16b44b5](https://github.com/vkarpov15/kareem/commit/16b44b5))
+* BREAKING CHANGE: drop support for node < 4 ([9cbb8c7](https://github.com/vkarpov15/kareem/commit/9cbb8c7))
+* BREAKING CHANGE: remove useLegacyPost and add several new features ([6dd8531](https://github.com/vkarpov15/kareem/commit/6dd8531)), closes [Automattic/mongoose#3232](https://github.com/Automattic/mongoose/issues/3232)
+
+
+
+<a name="1.5.0"></a>
+## 1.5.0 (2017-07-20)
+
+* chore: release 1.5.0 ([9c491a0](https://github.com/vkarpov15/kareem/commit/9c491a0))
+* fix: improve post error handlers results ([9928dd5](https://github.com/vkarpov15/kareem/commit/9928dd5)), closes [Automattic/mongoose#5466](https://github.com/Automattic/mongoose/issues/5466)
+
+
+
+<a name="1.4.2"></a>
+## <small>1.4.2 (2017-07-06)</small>
+
+* chore: release 1.4.2 ([8d14ac5](https://github.com/vkarpov15/kareem/commit/8d14ac5))
+* fix: correct args re: Automattic/mongoose#5405 ([3f28ae6](https://github.com/vkarpov15/kareem/commit/3f28ae6)), closes [Automattic/mongoose#5405](https://github.com/Automattic/mongoose/issues/5405)
+
+
+
+<a name="1.4.1"></a>
+## <small>1.4.1 (2017-04-25)</small>
+
+* chore: release 1.4.1 ([5ecf0c2](https://github.com/vkarpov15/kareem/commit/5ecf0c2))
+* fix: handle numAsyncPres with clone() ([c72e857](https://github.com/vkarpov15/kareem/commit/c72e857)), closes [#8](https://github.com/vkarpov15/kareem/issues/8)
+* test: repro #8 ([9b4d6b2](https://github.com/vkarpov15/kareem/commit/9b4d6b2)), closes [#8](https://github.com/vkarpov15/kareem/issues/8)
+
+
+
+<a name="1.4.0"></a>
+## 1.4.0 (2017-04-19)
+
+* chore: release 1.4.0 ([101c5f5](https://github.com/vkarpov15/kareem/commit/101c5f5))
+* feat: add merge() function ([285325e](https://github.com/vkarpov15/kareem/commit/285325e))
+
+
+
+<a name="1.3.0"></a>
+## 1.3.0 (2017-03-26)
+
+* chore: release 1.3.0 ([f3a9e50](https://github.com/vkarpov15/kareem/commit/f3a9e50))
+* feat: pass function args to execPre ([4dd466d](https://github.com/vkarpov15/kareem/commit/4dd466d))
+
+
+
+<a name="1.2.1"></a>
+## <small>1.2.1 (2017-02-03)</small>
+
+* chore: release 1.2.1 ([d97081f](https://github.com/vkarpov15/kareem/commit/d97081f))
+* fix: filter out _kareemIgnored args for error handlers re: Automattic/mongoose#4925 ([ddc7aeb](https://github.com/vkarpov15/kareem/commit/ddc7aeb)), closes [Automattic/mongoose#4925](https://github.com/Automattic/mongoose/issues/4925)
+* fix: make error handlers handle errors in pre hooks ([af38033](https://github.com/vkarpov15/kareem/commit/af38033)), closes [Automattic/mongoose#4927](https://github.com/Automattic/mongoose/issues/4927)
+
+
+
+<a name="1.2.0"></a>
+## 1.2.0 (2017-01-02)
+
+* chore: release 1.2.0 ([033225c](https://github.com/vkarpov15/kareem/commit/033225c))
+* chore: upgrade deps ([f9e9a09](https://github.com/vkarpov15/kareem/commit/f9e9a09))
+* feat: add _kareemIgnore re: Automattic/mongoose#4836 ([7957771](https://github.com/vkarpov15/kareem/commit/7957771)), closes [Automattic/mongoose#4836](https://github.com/Automattic/mongoose/issues/4836)
+
+
+
+<a name="1.1.5"></a>
+## <small>1.1.5 (2016-12-13)</small>
+
+* chore: release 1.1.5 ([1a9f684](https://github.com/vkarpov15/kareem/commit/1a9f684))
+* fix: correct field name ([04a0e9d](https://github.com/vkarpov15/kareem/commit/04a0e9d))
+
+
+
+<a name="1.1.4"></a>
+## <small>1.1.4 (2016-12-09)</small>
+
+* chore: release 1.1.4 ([ece401c](https://github.com/vkarpov15/kareem/commit/ece401c))
+* chore: run tests on node 6 ([e0cb1cb](https://github.com/vkarpov15/kareem/commit/e0cb1cb))
+* fix: only copy own properties in clone() ([dfe28ce](https://github.com/vkarpov15/kareem/commit/dfe28ce)), closes [#7](https://github.com/vkarpov15/kareem/issues/7)
+
+
+
+<a name="1.1.3"></a>
+## <small>1.1.3 (2016-06-27)</small>
+
+* chore: release 1.1.3 ([87171c8](https://github.com/vkarpov15/kareem/commit/87171c8))
+* fix: couple more issues with arg processing ([c65f523](https://github.com/vkarpov15/kareem/commit/c65f523))
+
+
+
+<a name="1.1.2"></a>
+## <small>1.1.2 (2016-06-27)</small>
+
+* chore: release 1.1.2 ([8e102b6](https://github.com/vkarpov15/kareem/commit/8e102b6))
+* fix: add early return ([4feda4e](https://github.com/vkarpov15/kareem/commit/4feda4e))
+
+
+
+<a name="1.1.1"></a>
+## <small>1.1.1 (2016-06-27)</small>
+
+* chore: release 1.1.1 ([8bb3050](https://github.com/vkarpov15/kareem/commit/8bb3050))
+* fix: skip error handlers if no error ([0eb3a44](https://github.com/vkarpov15/kareem/commit/0eb3a44))
+
+
+
+<a name="1.1.0"></a>
+## 1.1.0 (2016-05-11)
+
+* chore: release 1.1.0 ([85332d9](https://github.com/vkarpov15/kareem/commit/85332d9))
+* chore: test on node 4 and node 5 ([1faefa1](https://github.com/vkarpov15/kareem/commit/1faefa1))
+* 100% coverage again ([c9aee4e](https://github.com/vkarpov15/kareem/commit/c9aee4e))
+* add support for error post hooks ([d378113](https://github.com/vkarpov15/kareem/commit/d378113))
+* basic setup for sync hooks #4 ([55aa081](https://github.com/vkarpov15/kareem/commit/55aa081)), closes [#4](https://github.com/vkarpov15/kareem/issues/4)
+* proof of concept for error handlers ([e4a07d9](https://github.com/vkarpov15/kareem/commit/e4a07d9))
+* refactor out handleWrapError helper ([b19af38](https://github.com/vkarpov15/kareem/commit/b19af38))
+
+
+
+<a name="1.0.1"></a>
+## <small>1.0.1 (2015-05-10)</small>
+
+* Fix #1 ([de60dc6](https://github.com/vkarpov15/kareem/commit/de60dc6)), closes [#1](https://github.com/vkarpov15/kareem/issues/1)
+* release 1.0.1 ([6971088](https://github.com/vkarpov15/kareem/commit/6971088))
+* Run tests on iojs in travis ([adcd201](https://github.com/vkarpov15/kareem/commit/adcd201))
+* support legacy post hook behavior in wrap() ([23fa74c](https://github.com/vkarpov15/kareem/commit/23fa74c))
+* Use node 0.12 in travis ([834689d](https://github.com/vkarpov15/kareem/commit/834689d))
+
+
+
+<a name="1.0.0"></a>
+## 1.0.0 (2015-01-28)
+
+* Tag 1.0.0 ([4c5a35a](https://github.com/vkarpov15/kareem/commit/4c5a35a))
+
+
+
+<a name="0.0.8"></a>
+## <small>0.0.8 (2015-01-27)</small>
+
+* Add clone function ([688bba7](https://github.com/vkarpov15/kareem/commit/688bba7))
+* Add jscs for style checking ([5c93149](https://github.com/vkarpov15/kareem/commit/5c93149))
+* Bump 0.0.8 ([03c0d2f](https://github.com/vkarpov15/kareem/commit/03c0d2f))
+* Fix jscs config, add gulp rules ([9989abf](https://github.com/vkarpov15/kareem/commit/9989abf))
+* fix Makefile typo ([1f7e61a](https://github.com/vkarpov15/kareem/commit/1f7e61a))
+
+
+
+<a name="0.0.7"></a>
+## <small>0.0.7 (2015-01-04)</small>
+
+* Bump 0.0.7 ([98ef173](https://github.com/vkarpov15/kareem/commit/98ef173))
+* fix LearnBoost/mongoose#2553 - use null instead of undefined for err ([9157b48](https://github.com/vkarpov15/kareem/commit/9157b48)), closes [LearnBoost/mongoose#2553](https://github.com/LearnBoost/mongoose/issues/2553)
+* Regenerate docs ([2331cdf](https://github.com/vkarpov15/kareem/commit/2331cdf))
+
+
+
+<a name="0.0.6"></a>
+## <small>0.0.6 (2015-01-01)</small>
+
+* Update docs and bump 0.0.6 ([92c12a7](https://github.com/vkarpov15/kareem/commit/92c12a7))
+
+
+
+<a name="0.0.5"></a>
+## <small>0.0.5 (2015-01-01)</small>
+
+* Add coverage rule to Makefile ([825a91c](https://github.com/vkarpov15/kareem/commit/825a91c))
+* Add coveralls to README ([fb52369](https://github.com/vkarpov15/kareem/commit/fb52369))
+* Add coveralls to travis ([93f6f15](https://github.com/vkarpov15/kareem/commit/93f6f15))
+* Add createWrapper() function ([ea77741](https://github.com/vkarpov15/kareem/commit/ea77741))
+* Add istanbul code coverage ([6eceeef](https://github.com/vkarpov15/kareem/commit/6eceeef))
+* Add some more comments for examples ([c5b0c6f](https://github.com/vkarpov15/kareem/commit/c5b0c6f))
+* Add travis ([e6dcb06](https://github.com/vkarpov15/kareem/commit/e6dcb06))
+* Add travis badge to docs ([ad8c9b3](https://github.com/vkarpov15/kareem/commit/ad8c9b3))
+* Add wrap() tests, 100% coverage ([6945be4](https://github.com/vkarpov15/kareem/commit/6945be4))
+* Better test coverage for execPost ([d9ad539](https://github.com/vkarpov15/kareem/commit/d9ad539))
+* Bump 0.0.5 ([69875b1](https://github.com/vkarpov15/kareem/commit/69875b1))
+* Docs fix ([15b7098](https://github.com/vkarpov15/kareem/commit/15b7098))
+* Fix silly mistake in docs generation ([50373eb](https://github.com/vkarpov15/kareem/commit/50373eb))
+* Fix typo in readme ([fec4925](https://github.com/vkarpov15/kareem/commit/fec4925))
+* Linkify travis badge ([92b25fe](https://github.com/vkarpov15/kareem/commit/92b25fe))
+* Make travis run coverage ([747157b](https://github.com/vkarpov15/kareem/commit/747157b))
+* Move travis status badge ([d52e89b](https://github.com/vkarpov15/kareem/commit/d52e89b))
+* Quick fix for coverage ([50bbddb](https://github.com/vkarpov15/kareem/commit/50bbddb))
+* Typo fix ([adea794](https://github.com/vkarpov15/kareem/commit/adea794))
+
+
+
+<a name="0.0.4"></a>
+## <small>0.0.4 (2014-12-13)</small>
+
+* Bump 0.0.4, run docs generation ([51a15fe](https://github.com/vkarpov15/kareem/commit/51a15fe))
+* Use correct post parameters in wrap() ([9bb5da3](https://github.com/vkarpov15/kareem/commit/9bb5da3))
+
+
+
+<a name="0.0.3"></a>
+## <small>0.0.3 (2014-12-12)</small>
+
+* Add npm test script, fix small bug with args not getting passed through post ([49e3e68](https://github.com/vkarpov15/kareem/commit/49e3e68))
+* Bump 0.0.3 ([65621d8](https://github.com/vkarpov15/kareem/commit/65621d8))
+* Update readme ([901388b](https://github.com/vkarpov15/kareem/commit/901388b))
+
+
+
+<a name="0.0.2"></a>
+## <small>0.0.2 (2014-12-12)</small>
+
+* Add github repo and bump 0.0.2 ([59db8be](https://github.com/vkarpov15/kareem/commit/59db8be))
+
+
+
+<a name="0.0.1"></a>
+## <small>0.0.1 (2014-12-12)</small>
+
+* Add basic docs ([ad29ea4](https://github.com/vkarpov15/kareem/commit/ad29ea4))
+* Add pre hooks ([2ffc356](https://github.com/vkarpov15/kareem/commit/2ffc356))
+* Add wrap function ([68c540c](https://github.com/vkarpov15/kareem/commit/68c540c))
+* Bump to version 0.0.1 ([a4bfd68](https://github.com/vkarpov15/kareem/commit/a4bfd68))
+* Initial commit ([4002458](https://github.com/vkarpov15/kareem/commit/4002458))
+* Initial deposit ([98fc489](https://github.com/vkarpov15/kareem/commit/98fc489))
+* Post hooks ([395b67c](https://github.com/vkarpov15/kareem/commit/395b67c))
+* Some basic setup work ([82df75e](https://github.com/vkarpov15/kareem/commit/82df75e))
+* Support sync pre hooks ([1cc1b9f](https://github.com/vkarpov15/kareem/commit/1cc1b9f))
+* Update package.json description ([978da18](https://github.com/vkarpov15/kareem/commit/978da18))
+
+
+
+<a name="2.2.5"></a>
+## <small>2.2.5 (2018-09-24)</small>
+
+
+
+
+<a name="2.2.4"></a>
+## <small>2.2.4 (2018-09-24)</small>
+
+
+
+
+<a name="2.2.3"></a>
+## <small>2.2.3 (2018-09-24)</small>
+
+* fix(filter): copy async pres correctly with `filter()` ([1b1ed8a](https://github.com/vkarpov15/kareem/commit/1b1ed8a)), closes [Automattic/mongoose#3054](https://github.com/Automattic/mongoose/issues/3054)
+* feat: add filter() function ([1f641f4](https://github.com/vkarpov15/kareem/commit/1f641f4))
+* feat: support storing options on pre and post hooks ([59220b9](https://github.com/vkarpov15/kareem/commit/59220b9))
+
+
+
+<a name="2.2.3"></a>
+## <small>2.2.3 (2018-09-10)</small>
+
+* chore: release 2.2.3 ([af653a3](https://github.com/vkarpov15/kareem/commit/af653a3))
+
+
+
+<a name="2.2.2"></a>
+## <small>2.2.2 (2018-09-10)</small>
+
+* chore: release 2.2.2 ([3f0144d](https://github.com/vkarpov15/kareem/commit/3f0144d))
+* fix: allow merge() to not clone ([e628d65](https://github.com/vkarpov15/kareem/commit/e628d65))
+
+
+
+<a name="2.2.1"></a>
+## <small>2.2.1 (2018-06-05)</small>
+
+* chore: release 2.2.1 ([4625a64](https://github.com/vkarpov15/kareem/commit/4625a64))
+* chore: remove lockfile from git ([7f3e4e6](https://github.com/vkarpov15/kareem/commit/7f3e4e6))
+* fix: handle numAsync correctly when merging ([fef8e7e](https://github.com/vkarpov15/kareem/commit/fef8e7e))
+* test: repro issue with not copying numAsync ([952d9db](https://github.com/vkarpov15/kareem/commit/952d9db))
+
+
+
+<a name="2.2.0"></a>
+## 2.2.0 (2018-06-05)
+
+* chore: release 2.2.0 ([ff9ad03](https://github.com/vkarpov15/kareem/commit/ff9ad03))
+* fix: use maps instead of objects for _pres and _posts so `toString()` doesn't get reported as having ([55df303](https://github.com/vkarpov15/kareem/commit/55df303)), closes [Automattic/mongoose#6538](https://github.com/Automattic/mongoose/issues/6538)
+
+
+
+<a name="2.1.0"></a>
+## 2.1.0 (2018-05-16)
+
+* chore: release 2.1.0 ([ba5f1bc](https://github.com/vkarpov15/kareem/commit/ba5f1bc))
+* feat: add option to check wrapped function return value for promises ([c9d7dd1](https://github.com/vkarpov15/kareem/commit/c9d7dd1))
+* refactor: use const in wrap() ([0fc21f9](https://github.com/vkarpov15/kareem/commit/0fc21f9))
+
+
+
+<a name="2.0.7"></a>
+## <small>2.0.7 (2018-04-28)</small>
+
+* chore: release 2.0.7 ([0bf91e6](https://github.com/vkarpov15/kareem/commit/0bf91e6))
+* feat: add `hasHooks()` ([225f18d](https://github.com/vkarpov15/kareem/commit/225f18d)), closes [Automattic/mongoose#6385](https://github.com/Automattic/mongoose/issues/6385)
+
+
+
+<a name="2.0.6"></a>
+## <small>2.0.6 (2018-03-22)</small>
+
+* chore: release 2.0.6 ([f3d406b](https://github.com/vkarpov15/kareem/commit/f3d406b))
+* fix(wrap): ensure fast path still wraps function in `nextTick()` for chaining ([7000494](https://github.com/vkarpov15/kareem/commit/7000494)), closes [Automattic/mongoose#6250](https://github.com/Automattic/mongoose/issues/6250) [dsanel/mongoose-delete#36](https://github.com/dsanel/mongoose-delete/issues/36)
+
+
+
+<a name="2.0.5"></a>
+## <small>2.0.5 (2018-02-22)</small>
+
+* chore: release 2.0.5 ([3286612](https://github.com/vkarpov15/kareem/commit/3286612))
+* perf(createWrapper): don't create wrapper if there are no hooks ([5afc5b9](https://github.com/vkarpov15/kareem/commit/5afc5b9)), closes [Automattic/mongoose#6126](https://github.com/Automattic/mongoose/issues/6126)
+
+
+
+<a name="2.0.4"></a>
+## <small>2.0.4 (2018-02-08)</small>
+
+* chore: release 2.0.4 ([2ab0293](https://github.com/vkarpov15/kareem/commit/2ab0293))
+
+
+
+<a name="2.0.3"></a>
+## <small>2.0.3 (2018-02-01)</small>
+
+* chore: release 2.0.3 ([3c1abe5](https://github.com/vkarpov15/kareem/commit/3c1abe5))
+* fix: use process.nextTick() re: Automattic/mongoose#6074 ([e5bfe33](https://github.com/vkarpov15/kareem/commit/e5bfe33)), closes [Automattic/mongoose#6074](https://github.com/Automattic/mongoose/issues/6074)
+
+
+
+<a name="2.0.2"></a>
+## <small>2.0.2 (2018-01-24)</small>
+
+* chore: fix license ([a9d755c](https://github.com/vkarpov15/kareem/commit/a9d755c)), closes [#10](https://github.com/vkarpov15/kareem/issues/10)
+* chore: release 2.0.2 ([fe87ab6](https://github.com/vkarpov15/kareem/commit/fe87ab6))
+
+
+
+<a name="2.0.1"></a>
+## <small>2.0.1 (2018-01-09)</small>
+
+* chore: release 2.0.1 with lockfile bump ([09c44fb](https://github.com/vkarpov15/kareem/commit/09c44fb))
+
+
+
+<a name="2.0.0"></a>
+## 2.0.0 (2018-01-09)
+
+* chore: bump marked re: security ([cc564a9](https://github.com/vkarpov15/kareem/commit/cc564a9))
+* chore: release 2.0.0 ([f511d1c](https://github.com/vkarpov15/kareem/commit/f511d1c))
+
+
+
+<a name="2.0.0-rc5"></a>
+## 2.0.0-rc5 (2017-12-23)
+
+* chore: fix build on node 4+5 ([6dac5a4](https://github.com/vkarpov15/kareem/commit/6dac5a4))
+* chore: fix built on node 4 + 5 again ([434ef0a](https://github.com/vkarpov15/kareem/commit/434ef0a))
+* chore: release 2.0.0-rc5 ([25a32ee](https://github.com/vkarpov15/kareem/commit/25a32ee))
+
+
+
+<a name="2.0.0-rc4"></a>
+## 2.0.0-rc4 (2017-12-22)
+
+* chore: release 2.0.0-rc4 ([49fc083](https://github.com/vkarpov15/kareem/commit/49fc083))
+* BREAKING CHANGE: deduplicate when merging hooks re: Automattic/mongoose#2945 ([d458573](https://github.com/vkarpov15/kareem/commit/d458573)), closes [Automattic/mongoose#2945](https://github.com/Automattic/mongoose/issues/2945)
+
+
+
+<a name="2.0.0-rc3"></a>
+## 2.0.0-rc3 (2017-12-22)
+
+* chore: release 2.0.0-rc3 ([adaaa00](https://github.com/vkarpov15/kareem/commit/adaaa00))
+* feat: support returning promises from middleware functions ([05b4480](https://github.com/vkarpov15/kareem/commit/05b4480)), closes [Automattic/mongoose#3779](https://github.com/Automattic/mongoose/issues/3779)
+
+
+
+<a name="2.0.0-rc2"></a>
+## 2.0.0-rc2 (2017-12-21)
+
+* chore: release 2.0.0-rc2 ([76325fa](https://github.com/vkarpov15/kareem/commit/76325fa))
+* fix: ensure next() and done() run in next tick ([6c20684](https://github.com/vkarpov15/kareem/commit/6c20684))
+
+
+
+<a name="2.0.0-rc1"></a>
+## 2.0.0-rc1 (2017-12-21)
+
+* chore: improve test coverage re: Automattic/mongoose#3232 ([7b45cf0](https://github.com/vkarpov15/kareem/commit/7b45cf0)), closes [Automattic/mongoose#3232](https://github.com/Automattic/mongoose/issues/3232)
+* chore: release 2.0.0-rc1 ([9b83f52](https://github.com/vkarpov15/kareem/commit/9b83f52))
+* BREAKING CHANGE: report sync exceptions as errors, only allow calling next() and done() once ([674adcc](https://github.com/vkarpov15/kareem/commit/674adcc)), closes [Automattic/mongoose#3483](https://github.com/Automattic/mongoose/issues/3483)
+
+
+
+<a name="2.0.0-rc0"></a>
+## 2.0.0-rc0 (2017-12-17)
+
+* chore: release 2.0.0-rc0 ([16b44b5](https://github.com/vkarpov15/kareem/commit/16b44b5))
+* BREAKING CHANGE: drop support for node < 4 ([9cbb8c7](https://github.com/vkarpov15/kareem/commit/9cbb8c7))
+* BREAKING CHANGE: remove useLegacyPost and add several new features ([6dd8531](https://github.com/vkarpov15/kareem/commit/6dd8531)), closes [Automattic/mongoose#3232](https://github.com/Automattic/mongoose/issues/3232)
+
+
+
+<a name="1.5.0"></a>
+## 1.5.0 (2017-07-20)
+
+* chore: release 1.5.0 ([9c491a0](https://github.com/vkarpov15/kareem/commit/9c491a0))
+* fix: improve post error handlers results ([9928dd5](https://github.com/vkarpov15/kareem/commit/9928dd5)), closes [Automattic/mongoose#5466](https://github.com/Automattic/mongoose/issues/5466)
+
+
+
+<a name="1.4.2"></a>
+## <small>1.4.2 (2017-07-06)</small>
+
+* chore: release 1.4.2 ([8d14ac5](https://github.com/vkarpov15/kareem/commit/8d14ac5))
+* fix: correct args re: Automattic/mongoose#5405 ([3f28ae6](https://github.com/vkarpov15/kareem/commit/3f28ae6)), closes [Automattic/mongoose#5405](https://github.com/Automattic/mongoose/issues/5405)
+
+
+
+<a name="1.4.1"></a>
+## <small>1.4.1 (2017-04-25)</small>
+
+* chore: release 1.4.1 ([5ecf0c2](https://github.com/vkarpov15/kareem/commit/5ecf0c2))
+* fix: handle numAsyncPres with clone() ([c72e857](https://github.com/vkarpov15/kareem/commit/c72e857)), closes [#8](https://github.com/vkarpov15/kareem/issues/8)
+* test: repro #8 ([9b4d6b2](https://github.com/vkarpov15/kareem/commit/9b4d6b2)), closes [#8](https://github.com/vkarpov15/kareem/issues/8)
+
+
+
+<a name="1.4.0"></a>
+## 1.4.0 (2017-04-19)
+
+* chore: release 1.4.0 ([101c5f5](https://github.com/vkarpov15/kareem/commit/101c5f5))
+* feat: add merge() function ([285325e](https://github.com/vkarpov15/kareem/commit/285325e))
+
+
+
+<a name="1.3.0"></a>
+## 1.3.0 (2017-03-26)
+
+* chore: release 1.3.0 ([f3a9e50](https://github.com/vkarpov15/kareem/commit/f3a9e50))
+* feat: pass function args to execPre ([4dd466d](https://github.com/vkarpov15/kareem/commit/4dd466d))
+
+
+
+<a name="1.2.1"></a>
+## <small>1.2.1 (2017-02-03)</small>
+
+* chore: release 1.2.1 ([d97081f](https://github.com/vkarpov15/kareem/commit/d97081f))
+* fix: filter out _kareemIgnored args for error handlers re: Automattic/mongoose#4925 ([ddc7aeb](https://github.com/vkarpov15/kareem/commit/ddc7aeb)), closes [Automattic/mongoose#4925](https://github.com/Automattic/mongoose/issues/4925)
+* fix: make error handlers handle errors in pre hooks ([af38033](https://github.com/vkarpov15/kareem/commit/af38033)), closes [Automattic/mongoose#4927](https://github.com/Automattic/mongoose/issues/4927)
+
+
+
+<a name="1.2.0"></a>
+## 1.2.0 (2017-01-02)
+
+* chore: release 1.2.0 ([033225c](https://github.com/vkarpov15/kareem/commit/033225c))
+* chore: upgrade deps ([f9e9a09](https://github.com/vkarpov15/kareem/commit/f9e9a09))
+* feat: add _kareemIgnore re: Automattic/mongoose#4836 ([7957771](https://github.com/vkarpov15/kareem/commit/7957771)), closes [Automattic/mongoose#4836](https://github.com/Automattic/mongoose/issues/4836)
+
+
+
+<a name="1.1.5"></a>
+## <small>1.1.5 (2016-12-13)</small>
+
+* chore: release 1.1.5 ([1a9f684](https://github.com/vkarpov15/kareem/commit/1a9f684))
+* fix: correct field name ([04a0e9d](https://github.com/vkarpov15/kareem/commit/04a0e9d))
+
+
+
+<a name="1.1.4"></a>
+## <small>1.1.4 (2016-12-09)</small>
+
+* chore: release 1.1.4 ([ece401c](https://github.com/vkarpov15/kareem/commit/ece401c))
+* chore: run tests on node 6 ([e0cb1cb](https://github.com/vkarpov15/kareem/commit/e0cb1cb))
+* fix: only copy own properties in clone() ([dfe28ce](https://github.com/vkarpov15/kareem/commit/dfe28ce)), closes [#7](https://github.com/vkarpov15/kareem/issues/7)
+
+
+
+<a name="1.1.3"></a>
+## <small>1.1.3 (2016-06-27)</small>
+
+* chore: release 1.1.3 ([87171c8](https://github.com/vkarpov15/kareem/commit/87171c8))
+* fix: couple more issues with arg processing ([c65f523](https://github.com/vkarpov15/kareem/commit/c65f523))
+
+
+
+<a name="1.1.2"></a>
+## <small>1.1.2 (2016-06-27)</small>
+
+* chore: release 1.1.2 ([8e102b6](https://github.com/vkarpov15/kareem/commit/8e102b6))
+* fix: add early return ([4feda4e](https://github.com/vkarpov15/kareem/commit/4feda4e))
+
+
+
+<a name="1.1.1"></a>
+## <small>1.1.1 (2016-06-27)</small>
+
+* chore: release 1.1.1 ([8bb3050](https://github.com/vkarpov15/kareem/commit/8bb3050))
+* fix: skip error handlers if no error ([0eb3a44](https://github.com/vkarpov15/kareem/commit/0eb3a44))
+
+
+
+<a name="1.1.0"></a>
+## 1.1.0 (2016-05-11)
+
+* chore: release 1.1.0 ([85332d9](https://github.com/vkarpov15/kareem/commit/85332d9))
+* chore: test on node 4 and node 5 ([1faefa1](https://github.com/vkarpov15/kareem/commit/1faefa1))
+* 100% coverage again ([c9aee4e](https://github.com/vkarpov15/kareem/commit/c9aee4e))
+* add support for error post hooks ([d378113](https://github.com/vkarpov15/kareem/commit/d378113))
+* basic setup for sync hooks #4 ([55aa081](https://github.com/vkarpov15/kareem/commit/55aa081)), closes [#4](https://github.com/vkarpov15/kareem/issues/4)
+* proof of concept for error handlers ([e4a07d9](https://github.com/vkarpov15/kareem/commit/e4a07d9))
+* refactor out handleWrapError helper ([b19af38](https://github.com/vkarpov15/kareem/commit/b19af38))
+
+
+
+<a name="1.0.1"></a>
+## <small>1.0.1 (2015-05-10)</small>
+
+* Fix #1 ([de60dc6](https://github.com/vkarpov15/kareem/commit/de60dc6)), closes [#1](https://github.com/vkarpov15/kareem/issues/1)
+* release 1.0.1 ([6971088](https://github.com/vkarpov15/kareem/commit/6971088))
+* Run tests on iojs in travis ([adcd201](https://github.com/vkarpov15/kareem/commit/adcd201))
+* support legacy post hook behavior in wrap() ([23fa74c](https://github.com/vkarpov15/kareem/commit/23fa74c))
+* Use node 0.12 in travis ([834689d](https://github.com/vkarpov15/kareem/commit/834689d))
+
+
+
+<a name="1.0.0"></a>
+## 1.0.0 (2015-01-28)
+
+* Tag 1.0.0 ([4c5a35a](https://github.com/vkarpov15/kareem/commit/4c5a35a))
+
+
+
+<a name="0.0.8"></a>
+## <small>0.0.8 (2015-01-27)</small>
+
+* Add clone function ([688bba7](https://github.com/vkarpov15/kareem/commit/688bba7))
+* Add jscs for style checking ([5c93149](https://github.com/vkarpov15/kareem/commit/5c93149))
+* Bump 0.0.8 ([03c0d2f](https://github.com/vkarpov15/kareem/commit/03c0d2f))
+* Fix jscs config, add gulp rules ([9989abf](https://github.com/vkarpov15/kareem/commit/9989abf))
+* fix Makefile typo ([1f7e61a](https://github.com/vkarpov15/kareem/commit/1f7e61a))
+
+
+
+<a name="0.0.7"></a>
+## <small>0.0.7 (2015-01-04)</small>
+
+* Bump 0.0.7 ([98ef173](https://github.com/vkarpov15/kareem/commit/98ef173))
+* fix LearnBoost/mongoose#2553 - use null instead of undefined for err ([9157b48](https://github.com/vkarpov15/kareem/commit/9157b48)), closes [LearnBoost/mongoose#2553](https://github.com/LearnBoost/mongoose/issues/2553)
+* Regenerate docs ([2331cdf](https://github.com/vkarpov15/kareem/commit/2331cdf))
+
+
+
+<a name="0.0.6"></a>
+## <small>0.0.6 (2015-01-01)</small>
+
+* Update docs and bump 0.0.6 ([92c12a7](https://github.com/vkarpov15/kareem/commit/92c12a7))
+
+
+
+<a name="0.0.5"></a>
+## <small>0.0.5 (2015-01-01)</small>
+
+* Add coverage rule to Makefile ([825a91c](https://github.com/vkarpov15/kareem/commit/825a91c))
+* Add coveralls to README ([fb52369](https://github.com/vkarpov15/kareem/commit/fb52369))
+* Add coveralls to travis ([93f6f15](https://github.com/vkarpov15/kareem/commit/93f6f15))
+* Add createWrapper() function ([ea77741](https://github.com/vkarpov15/kareem/commit/ea77741))
+* Add istanbul code coverage ([6eceeef](https://github.com/vkarpov15/kareem/commit/6eceeef))
+* Add some more comments for examples ([c5b0c6f](https://github.com/vkarpov15/kareem/commit/c5b0c6f))
+* Add travis ([e6dcb06](https://github.com/vkarpov15/kareem/commit/e6dcb06))
+* Add travis badge to docs ([ad8c9b3](https://github.com/vkarpov15/kareem/commit/ad8c9b3))
+* Add wrap() tests, 100% coverage ([6945be4](https://github.com/vkarpov15/kareem/commit/6945be4))
+* Better test coverage for execPost ([d9ad539](https://github.com/vkarpov15/kareem/commit/d9ad539))
+* Bump 0.0.5 ([69875b1](https://github.com/vkarpov15/kareem/commit/69875b1))
+* Docs fix ([15b7098](https://github.com/vkarpov15/kareem/commit/15b7098))
+* Fix silly mistake in docs generation ([50373eb](https://github.com/vkarpov15/kareem/commit/50373eb))
+* Fix typo in readme ([fec4925](https://github.com/vkarpov15/kareem/commit/fec4925))
+* Linkify travis badge ([92b25fe](https://github.com/vkarpov15/kareem/commit/92b25fe))
+* Make travis run coverage ([747157b](https://github.com/vkarpov15/kareem/commit/747157b))
+* Move travis status badge ([d52e89b](https://github.com/vkarpov15/kareem/commit/d52e89b))
+* Quick fix for coverage ([50bbddb](https://github.com/vkarpov15/kareem/commit/50bbddb))
+* Typo fix ([adea794](https://github.com/vkarpov15/kareem/commit/adea794))
+
+
+
+<a name="0.0.4"></a>
+## <small>0.0.4 (2014-12-13)</small>
+
+* Bump 0.0.4, run docs generation ([51a15fe](https://github.com/vkarpov15/kareem/commit/51a15fe))
+* Use correct post parameters in wrap() ([9bb5da3](https://github.com/vkarpov15/kareem/commit/9bb5da3))
+
+
+
+<a name="0.0.3"></a>
+## <small>0.0.3 (2014-12-12)</small>
+
+* Add npm test script, fix small bug with args not getting passed through post ([49e3e68](https://github.com/vkarpov15/kareem/commit/49e3e68))
+* Bump 0.0.3 ([65621d8](https://github.com/vkarpov15/kareem/commit/65621d8))
+* Update readme ([901388b](https://github.com/vkarpov15/kareem/commit/901388b))
+
+
+
+<a name="0.0.2"></a>
+## <small>0.0.2 (2014-12-12)</small>
+
+* Add github repo and bump 0.0.2 ([59db8be](https://github.com/vkarpov15/kareem/commit/59db8be))
+
+
+
+<a name="0.0.1"></a>
+## <small>0.0.1 (2014-12-12)</small>
+
+* Add basic docs ([ad29ea4](https://github.com/vkarpov15/kareem/commit/ad29ea4))
+* Add pre hooks ([2ffc356](https://github.com/vkarpov15/kareem/commit/2ffc356))
+* Add wrap function ([68c540c](https://github.com/vkarpov15/kareem/commit/68c540c))
+* Bump to version 0.0.1 ([a4bfd68](https://github.com/vkarpov15/kareem/commit/a4bfd68))
+* Initial commit ([4002458](https://github.com/vkarpov15/kareem/commit/4002458))
+* Initial deposit ([98fc489](https://github.com/vkarpov15/kareem/commit/98fc489))
+* Post hooks ([395b67c](https://github.com/vkarpov15/kareem/commit/395b67c))
+* Some basic setup work ([82df75e](https://github.com/vkarpov15/kareem/commit/82df75e))
+* Support sync pre hooks ([1cc1b9f](https://github.com/vkarpov15/kareem/commit/1cc1b9f))
+* Update package.json description ([978da18](https://github.com/vkarpov15/kareem/commit/978da18))
diff --git a/node_modules/kareem/LICENSE b/node_modules/kareem/LICENSE
new file mode 100644
index 000000000..e06d20818
--- /dev/null
+++ b/node_modules/kareem/LICENSE
@@ -0,0 +1,202 @@
+Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+
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+   5. Submission of Contributions. Unless You explicitly state otherwise,
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+      by You to the Licensor shall be under the terms and conditions of
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+   Licensed under the Apache License, Version 2.0 (the "License");
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+
diff --git a/node_modules/kareem/Makefile b/node_modules/kareem/Makefile
new file mode 100644
index 000000000..f71ba9008
--- /dev/null
+++ b/node_modules/kareem/Makefile
@@ -0,0 +1,5 @@
+docs:
+	node ./docs.js
+
+coverage:
+	./node_modules/istanbul/lib/cli.js cover ./node_modules/mocha/bin/_mocha -- -R spec ./test/*
diff --git a/node_modules/kareem/README.md b/node_modules/kareem/README.md
new file mode 100644
index 000000000..aaf84717b
--- /dev/null
+++ b/node_modules/kareem/README.md
@@ -0,0 +1,420 @@
+# kareem
+
+  [![Build Status](https://travis-ci.org/vkarpov15/kareem.svg?branch=master)](https://travis-ci.org/vkarpov15/kareem)
+  [![Coverage Status](https://img.shields.io/coveralls/vkarpov15/kareem.svg)](https://coveralls.io/r/vkarpov15/kareem)
+
+Re-imagined take on the [hooks](http://npmjs.org/package/hooks) module, meant to offer additional flexibility in allowing you to execute hooks whenever necessary, as opposed to simply wrapping a single function.
+
+Named for the NBA's all-time leading scorer Kareem Abdul-Jabbar, known for his mastery of the [hook shot](http://en.wikipedia.org/wiki/Kareem_Abdul-Jabbar#Skyhook)
+
+<img src="http://upload.wikimedia.org/wikipedia/commons/0/00/Kareem-Abdul-Jabbar_Lipofsky.jpg" width="220">
+
+# API
+
+## pre hooks
+
+Much like [hooks](https://npmjs.org/package/hooks), kareem lets you define
+pre and post hooks: pre hooks are called before a given function executes.
+Unlike hooks, kareem stores hooks and other internal state in a separate
+object, rather than relying on inheritance. Furthermore, kareem exposes
+an `execPre()` function that allows you to execute your pre hooks when
+appropriate, giving you more fine-grained control over your function hooks.
+
+
+#### It runs without any hooks specified
+
+```javascript
+hooks.execPre('cook', null, function() {
+  // ...
+});
+```
+
+#### It runs basic serial pre hooks
+
+pre hook functions take one parameter, a "done" function that you execute
+when your pre hook is finished.
+
+
+```javascript
+var count = 0;
+
+hooks.pre('cook', function(done) {
+  ++count;
+  done();
+});
+
+hooks.execPre('cook', null, function() {
+  assert.equal(1, count);
+});
+```
+
+#### It can run multipe pre hooks
+
+```javascript
+var count1 = 0;
+var count2 = 0;
+
+hooks.pre('cook', function(done) {
+  ++count1;
+  done();
+});
+
+hooks.pre('cook', function(done) {
+  ++count2;
+  done();
+});
+
+hooks.execPre('cook', null, function() {
+  assert.equal(1, count1);
+  assert.equal(1, count2);
+});
+```
+
+#### It can run fully synchronous pre hooks
+
+If your pre hook function takes no parameters, its assumed to be
+fully synchronous.
+
+
+```javascript
+var count1 = 0;
+var count2 = 0;
+
+hooks.pre('cook', function() {
+  ++count1;
+});
+
+hooks.pre('cook', function() {
+  ++count2;
+});
+
+hooks.execPre('cook', null, function(error) {
+  assert.equal(null, error);
+  assert.equal(1, count1);
+  assert.equal(1, count2);
+});
+```
+
+#### It properly attaches context to pre hooks
+
+Pre save hook functions are bound to the second parameter to `execPre()`
+
+
+```javascript
+hooks.pre('cook', function(done) {
+  this.bacon = 3;
+  done();
+});
+
+hooks.pre('cook', function(done) {
+  this.eggs = 4;
+  done();
+});
+
+var obj = { bacon: 0, eggs: 0 };
+
+// In the pre hooks, `this` will refer to `obj`
+hooks.execPre('cook', obj, function(error) {
+  assert.equal(null, error);
+  assert.equal(3, obj.bacon);
+  assert.equal(4, obj.eggs);
+});
+```
+
+#### It can execute parallel (async) pre hooks
+
+Like the hooks module, you can declare "async" pre hooks - these take two
+parameters, the functions `next()` and `done()`. `next()` passes control to
+the next pre hook, but the underlying function won't be called until all
+async pre hooks have called `done()`.
+
+
+```javascript
+hooks.pre('cook', true, function(next, done) {
+  this.bacon = 3;
+  next();
+  setTimeout(function() {
+    done();
+  }, 5);
+});
+
+hooks.pre('cook', true, function(next, done) {
+  next();
+  var _this = this;
+  setTimeout(function() {
+    _this.eggs = 4;
+    done();
+  }, 10);
+});
+
+hooks.pre('cook', function(next) {
+  this.waffles = false;
+  next();
+});
+
+var obj = { bacon: 0, eggs: 0 };
+
+hooks.execPre('cook', obj, function() {
+  assert.equal(3, obj.bacon);
+  assert.equal(4, obj.eggs);
+  assert.equal(false, obj.waffles);
+});
+```
+
+#### It supports returning a promise
+
+You can also return a promise from your pre hooks instead of calling
+`next()`. When the returned promise resolves, kareem will kick off the
+next middleware.
+
+
+```javascript
+hooks.pre('cook', function() {
+  return new Promise(resolve => {
+    setTimeout(() => {
+      this.bacon = 3;
+      resolve();
+    }, 100);
+  });
+});
+
+var obj = { bacon: 0 };
+
+hooks.execPre('cook', obj, function() {
+  assert.equal(3, obj.bacon);
+});
+```
+
+## post hooks
+
+acquit:ignore:end
+
+#### It runs without any hooks specified
+
+```javascript
+hooks.execPost('cook', null, [1], function(error, eggs) {
+  assert.ifError(error);
+  assert.equal(1, eggs);
+  done();
+});
+```
+
+#### It executes with parameters passed in
+
+```javascript
+hooks.post('cook', function(eggs, bacon, callback) {
+  assert.equal(1, eggs);
+  assert.equal(2, bacon);
+  callback();
+});
+
+hooks.execPost('cook', null, [1, 2], function(error, eggs, bacon) {
+  assert.ifError(error);
+  assert.equal(1, eggs);
+  assert.equal(2, bacon);
+});
+```
+
+#### It can use synchronous post hooks
+
+```javascript
+var execed = {};
+
+hooks.post('cook', function(eggs, bacon) {
+  execed.first = true;
+  assert.equal(1, eggs);
+  assert.equal(2, bacon);
+});
+
+hooks.post('cook', function(eggs, bacon, callback) {
+  execed.second = true;
+  assert.equal(1, eggs);
+  assert.equal(2, bacon);
+  callback();
+});
+
+hooks.execPost('cook', null, [1, 2], function(error, eggs, bacon) {
+  assert.ifError(error);
+  assert.equal(2, Object.keys(execed).length);
+  assert.ok(execed.first);
+  assert.ok(execed.second);
+  assert.equal(1, eggs);
+  assert.equal(2, bacon);
+});
+```
+
+#### It supports returning a promise
+
+You can also return a promise from your post hooks instead of calling
+`next()`. When the returned promise resolves, kareem will kick off the
+next middleware.
+
+
+```javascript
+hooks.post('cook', function(bacon) {
+  return new Promise(resolve => {
+    setTimeout(() => {
+      this.bacon = 3;
+      resolve();
+    }, 100);
+  });
+});
+
+var obj = { bacon: 0 };
+
+hooks.execPost('cook', obj, obj, function() {
+  assert.equal(obj.bacon, 3);
+});
+```
+
+## wrap()
+
+acquit:ignore:end
+
+#### It wraps pre and post calls into one call
+
+```javascript
+hooks.pre('cook', true, function(next, done) {
+  this.bacon = 3;
+  next();
+  setTimeout(function() {
+    done();
+  }, 5);
+});
+
+hooks.pre('cook', true, function(next, done) {
+  next();
+  var _this = this;
+  setTimeout(function() {
+    _this.eggs = 4;
+    done();
+  }, 10);
+});
+
+hooks.pre('cook', function(next) {
+  this.waffles = false;
+  next();
+});
+
+hooks.post('cook', function(obj) {
+  obj.tofu = 'no';
+});
+
+var obj = { bacon: 0, eggs: 0 };
+
+var args = [obj];
+args.push(function(error, result) {
+  assert.ifError(error);
+  assert.equal(null, error);
+  assert.equal(3, obj.bacon);
+  assert.equal(4, obj.eggs);
+  assert.equal(false, obj.waffles);
+  assert.equal('no', obj.tofu);
+
+  assert.equal(obj, result);
+});
+
+hooks.wrap(
+  'cook',
+  function(o, callback) {
+    assert.equal(3, obj.bacon);
+    assert.equal(4, obj.eggs);
+    assert.equal(false, obj.waffles);
+    assert.equal(undefined, obj.tofu);
+    callback(null, o);
+  },
+  obj,
+  args);
+```
+
+## createWrapper()
+
+#### It wraps wrap() into a callable function
+
+```javascript
+hooks.pre('cook', true, function(next, done) {
+  this.bacon = 3;
+  next();
+  setTimeout(function() {
+    done();
+  }, 5);
+});
+
+hooks.pre('cook', true, function(next, done) {
+  next();
+  var _this = this;
+  setTimeout(function() {
+    _this.eggs = 4;
+    done();
+  }, 10);
+});
+
+hooks.pre('cook', function(next) {
+  this.waffles = false;
+  next();
+});
+
+hooks.post('cook', function(obj) {
+  obj.tofu = 'no';
+});
+
+var obj = { bacon: 0, eggs: 0 };
+
+var cook = hooks.createWrapper(
+  'cook',
+  function(o, callback) {
+    assert.equal(3, obj.bacon);
+    assert.equal(4, obj.eggs);
+    assert.equal(false, obj.waffles);
+    assert.equal(undefined, obj.tofu);
+    callback(null, o);
+  },
+  obj);
+
+cook(obj, function(error, result) {
+  assert.ifError(error);
+  assert.equal(3, obj.bacon);
+  assert.equal(4, obj.eggs);
+  assert.equal(false, obj.waffles);
+  assert.equal('no', obj.tofu);
+
+  assert.equal(obj, result);
+});
+```
+
+## clone()
+
+acquit:ignore:end
+
+#### It clones a Kareem object
+
+```javascript
+var k1 = new Kareem();
+k1.pre('cook', function() {});
+k1.post('cook', function() {});
+
+var k2 = k1.clone();
+assert.deepEqual(Array.from(k2._pres.keys()), ['cook']);
+assert.deepEqual(Array.from(k2._posts.keys()), ['cook']);
+```
+
+## merge()
+
+#### It pulls hooks from another Kareem object
+
+```javascript
+var k1 = new Kareem();
+var test1 = function() {};
+k1.pre('cook', test1);
+k1.post('cook', function() {});
+
+var k2 = new Kareem();
+var test2 = function() {};
+k2.pre('cook', test2);
+var k3 = k2.merge(k1);
+assert.equal(k3._pres.get('cook').length, 2);
+assert.equal(k3._pres.get('cook')[0].fn, test2);
+assert.equal(k3._pres.get('cook')[1].fn, test1);
+assert.equal(k3._posts.get('cook').length, 1);
+```
+
diff --git a/node_modules/kareem/docs.js b/node_modules/kareem/docs.js
new file mode 100644
index 000000000..cf5bda2c3
--- /dev/null
+++ b/node_modules/kareem/docs.js
@@ -0,0 +1,41 @@
+'use strict';
+
+var acquit = require('acquit');
+
+require('acquit-ignore')();
+
+var content = require('fs').readFileSync('./test/examples.test.js').toString();
+var blocks = acquit.parse(content);
+
+var mdOutput =
+  '# kareem\n\n' +
+  '  [![Build Status](https://travis-ci.org/vkarpov15/kareem.svg?branch=master)](https://travis-ci.org/vkarpov15/kareem)\n' +
+  '  [![Coverage Status](https://img.shields.io/coveralls/vkarpov15/kareem.svg)](https://coveralls.io/r/vkarpov15/kareem)\n\n' +
+  'Re-imagined take on the [hooks](http://npmjs.org/package/hooks) module, ' +
+  'meant to offer additional flexibility in allowing you to execute hooks ' +
+  'whenever necessary, as opposed to simply wrapping a single function.\n\n' +
+  'Named for the NBA\'s all-time leading scorer Kareem Abdul-Jabbar, known ' +
+  'for his mastery of the [hook shot](http://en.wikipedia.org/wiki/Kareem_Abdul-Jabbar#Skyhook)\n\n' +
+  '<img src="http://upload.wikimedia.org/wikipedia/commons/0/00/Kareem-Abdul-Jabbar_Lipofsky.jpg" width="220">\n\n' +
+  '# API\n\n';
+
+for (var i = 0; i < blocks.length; ++i) {
+  var describe = blocks[i];
+  mdOutput += '## ' + describe.contents + '\n\n';
+  mdOutput += describe.comments[0] ?
+    acquit.trimEachLine(describe.comments[0]) + '\n\n' :
+    '';
+
+  for (var j = 0; j < describe.blocks.length; ++j) {
+    var it = describe.blocks[j];
+    mdOutput += '#### It ' + it.contents + '\n\n';
+    mdOutput += it.comments[0] ?
+      acquit.trimEachLine(it.comments[0]) + '\n\n' :
+      '';
+    mdOutput += '```javascript\n';
+    mdOutput += it.code + '\n';
+    mdOutput += '```\n\n';
+  }
+}
+
+require('fs').writeFileSync('README.md', mdOutput);
diff --git a/node_modules/kareem/index.js b/node_modules/kareem/index.js
new file mode 100644
index 000000000..b10aaf9a1
--- /dev/null
+++ b/node_modules/kareem/index.js
@@ -0,0 +1,563 @@
+'use strict';
+
+function Kareem() {
+  this._pres = new Map();
+  this._posts = new Map();
+}
+
+Kareem.skipWrappedFunction = function skipWrappedFunction() {
+  if (!(this instanceof Kareem.skipWrappedFunction)) {
+    return new Kareem.skipWrappedFunction(...arguments);
+  }
+
+  this.args = [...arguments];
+};
+
+Kareem.overwriteResult = function overwriteResult() {
+  if (!(this instanceof Kareem.overwriteResult)) {
+    return new Kareem.overwriteResult(...arguments);
+  }
+
+  this.args = [...arguments];
+};
+
+Kareem.prototype.execPre = function(name, context, args, callback) {
+  if (arguments.length === 3) {
+    callback = args;
+    args = [];
+  }
+  var pres = this._pres.get(name) || [];
+  var numPres = pres.length;
+  var numAsyncPres = pres.numAsync || 0;
+  var currentPre = 0;
+  var asyncPresLeft = numAsyncPres;
+  var done = false;
+  var $args = args;
+  var shouldSkipWrappedFunction = null;
+
+  if (!numPres) {
+    return nextTick(function() {
+      callback(null);
+    });
+  }
+
+  var next = function() {
+    if (currentPre >= numPres) {
+      return;
+    }
+    var pre = pres[currentPre];
+
+    if (pre.isAsync) {
+      var args = [
+        decorateNextFn(_next),
+        decorateNextFn(function(error) {
+          if (error) {
+            if (done) {
+              return;
+            }
+            if (error instanceof Kareem.skipWrappedFunction) {
+              shouldSkipWrappedFunction = error;
+            } else {
+              done = true;
+              return callback(error);
+            }
+          }
+          if (--asyncPresLeft === 0 && currentPre >= numPres) {
+            return callback(shouldSkipWrappedFunction);
+          }
+        })
+      ];
+
+      callMiddlewareFunction(pre.fn, context, args, args[0]);
+    } else if (pre.fn.length > 0) {
+      var args = [decorateNextFn(_next)];
+      var _args = arguments.length >= 2 ? arguments : [null].concat($args);
+      for (var i = 1; i < _args.length; ++i) {
+        args.push(_args[i]);
+      }
+
+      callMiddlewareFunction(pre.fn, context, args, args[0]);
+    } else {
+      let maybePromiseLike = null;
+      try {
+        maybePromiseLike = pre.fn.call(context);
+      } catch (err) {
+        if (err != null) {
+          return callback(err);
+        }
+      }
+
+      if (isPromiseLike(maybePromiseLike)) {
+        maybePromiseLike.then(() => _next(), err => _next(err));
+      } else {
+        if (++currentPre >= numPres) {
+          if (asyncPresLeft > 0) {
+            // Leave parallel hooks to run
+            return;
+          } else {
+            return nextTick(function() {
+              callback(shouldSkipWrappedFunction);
+            });
+          }
+        }
+        next();
+      }
+    }
+  };
+
+  next.apply(null, [null].concat(args));
+
+  function _next(error) {
+    if (error) {
+      if (done) {
+        return;
+      }
+      if (error instanceof Kareem.skipWrappedFunction) {
+        shouldSkipWrappedFunction = error;
+      } else {
+        done = true;
+        return callback(error);
+      }
+    }
+
+    if (++currentPre >= numPres) {
+      if (asyncPresLeft > 0) {
+        // Leave parallel hooks to run
+        return;
+      } else {
+        return callback(shouldSkipWrappedFunction);
+      }
+    }
+
+    next.apply(context, arguments);
+  }
+};
+
+Kareem.prototype.execPreSync = function(name, context, args) {
+  var pres = this._pres.get(name) || [];
+  var numPres = pres.length;
+
+  for (var i = 0; i < numPres; ++i) {
+    pres[i].fn.apply(context, args || []);
+  }
+};
+
+Kareem.prototype.execPost = function(name, context, args, options, callback) {
+  if (arguments.length < 5) {
+    callback = options;
+    options = null;
+  }
+  var posts = this._posts.get(name) || [];
+  var numPosts = posts.length;
+  var currentPost = 0;
+
+  var firstError = null;
+  if (options && options.error) {
+    firstError = options.error;
+  }
+
+  if (!numPosts) {
+    return nextTick(function() {
+      callback.apply(null, [firstError].concat(args));
+    });
+  }
+
+  var next = function() {
+    var post = posts[currentPost].fn;
+    var numArgs = 0;
+    var argLength = args.length;
+    var newArgs = [];
+    for (var i = 0; i < argLength; ++i) {
+      numArgs += args[i] && args[i]._kareemIgnore ? 0 : 1;
+      if (!args[i] || !args[i]._kareemIgnore) {
+        newArgs.push(args[i]);
+      }
+    }
+
+    if (firstError) {
+      if (post.length === numArgs + 2) {
+        const _cb = decorateNextFn(function(error) {
+          if (error) {
+            if (error instanceof Kareem.overwriteResult) {
+              args = error.args;
+              if (++currentPost >= numPosts) {
+                return callback.call(null, firstError);
+              }
+              return next();
+            }
+            firstError = error;
+          }
+          if (++currentPost >= numPosts) {
+            return callback.call(null, firstError);
+          }
+          next();
+        });
+
+        callMiddlewareFunction(post, context,
+          [firstError].concat(newArgs).concat([_cb]), _cb);
+      } else {
+        if (++currentPost >= numPosts) {
+          return callback.call(null, firstError);
+        }
+        next();
+      }
+    } else {
+      const _cb = decorateNextFn(function(error) {
+        if (error) {
+          if (error instanceof Kareem.overwriteResult) {
+            args = error.args;
+            if (++currentPost >= numPosts) {
+              return callback.apply(null, [null].concat(args));
+            }
+            return next();
+          }
+          firstError = error;
+          return next();
+        }
+
+        if (++currentPost >= numPosts) {
+          return callback.apply(null, [null].concat(args));
+        }
+
+        next();
+      });
+
+      if (post.length === numArgs + 2) {
+        // Skip error handlers if no error
+        if (++currentPost >= numPosts) {
+          return callback.apply(null, [null].concat(args));
+        }
+        return next();
+      }
+      if (post.length === numArgs + 1) {
+        callMiddlewareFunction(post, context, newArgs.concat([_cb]), _cb);
+      } else {
+        let error;
+        let maybePromiseLike;
+        try {
+          maybePromiseLike = post.apply(context, newArgs);
+        } catch (err) {
+          error = err;
+          firstError = err;
+        }
+
+        if (isPromiseLike(maybePromiseLike)) {
+          return maybePromiseLike.then(
+            (res) => {
+              _cb(res instanceof Kareem.overwriteResult ? res : null);
+            },
+            err => _cb(err)
+          );
+        }
+
+        if (maybePromiseLike instanceof Kareem.overwriteResult) {
+          args = maybePromiseLike.args;
+        }
+
+        if (++currentPost >= numPosts) {
+          return callback.apply(null, [error].concat(args));
+        }
+
+        next();
+      }
+    }
+  };
+
+  next();
+};
+
+Kareem.prototype.execPostSync = function(name, context, args) {
+  const posts = this._posts.get(name) || [];
+  const numPosts = posts.length;
+
+  for (let i = 0; i < numPosts; ++i) {
+    const res = posts[i].fn.apply(context, args || []);
+    if (res instanceof Kareem.overwriteResult) {
+      args = res.args;
+    }
+  }
+
+  return args;
+};
+
+Kareem.prototype.createWrapperSync = function(name, fn) {
+  var kareem = this;
+  return function syncWrapper() {
+    kareem.execPreSync(name, this, arguments);
+
+    var toReturn = fn.apply(this, arguments);
+
+    const result = kareem.execPostSync(name, this, [toReturn]);
+
+    return result[0];
+  };
+};
+
+function _handleWrapError(instance, error, name, context, args, options, callback) {
+  if (options.useErrorHandlers) {
+    return instance.execPost(name, context, args, { error: error }, function(error) {
+      return typeof callback === 'function' && callback(error);
+    });
+  } else {
+    return typeof callback === 'function' && callback(error);
+  }
+}
+
+Kareem.prototype.wrap = function(name, fn, context, args, options) {
+  const lastArg = (args.length > 0 ? args[args.length - 1] : null);
+  let argsWithoutCb = Array.from(args);
+  typeof lastArg === 'function' && argsWithoutCb.pop();
+  const _this = this;
+
+  options = options || {};
+  const checkForPromise = options.checkForPromise;
+
+  this.execPre(name, context, args, function(error) {
+    if (error && !(error instanceof Kareem.skipWrappedFunction)) {
+      const numCallbackParams = options.numCallbackParams || 0;
+      const errorArgs = options.contextParameter ? [context] : [];
+      for (var i = errorArgs.length; i < numCallbackParams; ++i) {
+        errorArgs.push(null);
+      }
+      return _handleWrapError(_this, error, name, context, errorArgs,
+        options, lastArg);
+    }
+
+    const numParameters = fn.length;
+    let ret;
+
+    if (error instanceof Kareem.skipWrappedFunction) {
+      ret = error.args[0];
+      return _cb(null, ...error.args);
+    } else {
+      try {
+        ret = fn.apply(context, argsWithoutCb.concat(_cb));
+      } catch (err) {
+        return _cb(err);
+      }
+    }
+
+    if (checkForPromise) {
+      if (isPromiseLike(ret)) {
+        // Thenable, use it
+        return ret.then(
+          res => _cb(null, res),
+          err => _cb(err)
+        );
+      }
+
+      // If `fn()` doesn't have a callback argument and doesn't return a
+      // promise, assume it is sync
+      if (numParameters < argsWithoutCb.length + 1) {
+        return _cb(null, ret);
+      }
+    }
+
+    function _cb() {
+      const argsWithoutError = Array.from(arguments);
+      argsWithoutError.shift();
+      if (options.nullResultByDefault && argsWithoutError.length === 0) {
+        argsWithoutError.push(null);
+      }
+      if (arguments[0]) {
+        // Assume error
+        return _handleWrapError(_this, arguments[0], name, context,
+          argsWithoutError, options, lastArg);
+      } else {
+        _this.execPost(name, context, argsWithoutError, function() {
+          if (lastArg === null) {
+            return;
+          }
+          arguments[0]
+            ? lastArg(arguments[0])
+            : lastArg.apply(context, arguments);
+        });
+      }
+    }
+  });
+};
+
+Kareem.prototype.filter = function(fn) {
+  const clone = this.clone();
+
+  const pres = Array.from(clone._pres.keys());
+  for (const name of pres) {
+    const hooks = this._pres.get(name).
+      map(h => Object.assign({}, h, { name: name })).
+      filter(fn);
+
+    if (hooks.length === 0) {
+      clone._pres.delete(name);
+      continue;
+    }
+
+    hooks.numAsync = hooks.filter(h => h.isAsync).length;
+
+    clone._pres.set(name, hooks);
+  }
+
+  const posts = Array.from(clone._posts.keys());
+  for (const name of posts) {
+    const hooks = this._posts.get(name).
+      map(h => Object.assign({}, h, { name: name })).
+      filter(fn);
+
+    if (hooks.length === 0) {
+      clone._posts.delete(name);
+      continue;
+    }
+
+    clone._posts.set(name, hooks);
+  }
+
+  return clone;
+};
+
+Kareem.prototype.hasHooks = function(name) {
+  return this._pres.has(name) || this._posts.has(name);
+};
+
+Kareem.prototype.createWrapper = function(name, fn, context, options) {
+  var _this = this;
+  if (!this.hasHooks(name)) {
+    // Fast path: if there's no hooks for this function, just return the
+    // function wrapped in a nextTick()
+    return function() {
+      nextTick(() => fn.apply(this, arguments));
+    };
+  }
+  return function() {
+    var _context = context || this;
+    _this.wrap(name, fn, _context, Array.from(arguments), options);
+  };
+};
+
+Kareem.prototype.pre = function(name, isAsync, fn, error, unshift) {
+  let options = {};
+  if (typeof isAsync === 'object' && isAsync !== null) {
+    options = isAsync;
+    isAsync = options.isAsync;
+  } else if (typeof arguments[1] !== 'boolean') {
+    fn = isAsync;
+    isAsync = false;
+  }
+
+  const pres = this._pres.get(name) || [];
+  this._pres.set(name, pres);
+
+  if (isAsync) {
+    pres.numAsync = pres.numAsync || 0;
+    ++pres.numAsync;
+  }
+
+  if (typeof fn !== 'function') {
+    throw new Error('pre() requires a function, got "' + typeof fn + '"');
+  }
+
+  if (unshift) {
+    pres.unshift(Object.assign({}, options, { fn: fn, isAsync: isAsync }));
+  } else {
+    pres.push(Object.assign({}, options, { fn: fn, isAsync: isAsync }));
+  }
+
+  return this;
+};
+
+Kareem.prototype.post = function(name, options, fn, unshift) {
+  const hooks = this._posts.get(name) || [];
+
+  if (typeof options === 'function') {
+    unshift = !!fn;
+    fn = options;
+    options = {};
+  }
+
+  if (typeof fn !== 'function') {
+    throw new Error('post() requires a function, got "' + typeof fn + '"');
+  }
+
+  if (unshift) {
+    hooks.unshift(Object.assign({}, options, { fn: fn }));
+  } else {
+    hooks.push(Object.assign({}, options, { fn: fn }));
+  }
+  this._posts.set(name, hooks);
+  return this;
+};
+
+Kareem.prototype.clone = function() {
+  const n = new Kareem();
+
+  for (let key of this._pres.keys()) {
+    const clone = this._pres.get(key).slice();
+    clone.numAsync = this._pres.get(key).numAsync;
+    n._pres.set(key, clone);
+  }
+  for (let key of this._posts.keys()) {
+    n._posts.set(key, this._posts.get(key).slice());
+  }
+
+  return n;
+};
+
+Kareem.prototype.merge = function(other, clone) {
+  clone = arguments.length === 1 ? true : clone;
+  var ret = clone ? this.clone() : this;
+
+  for (let key of other._pres.keys()) {
+    const sourcePres = ret._pres.get(key) || [];
+    const deduplicated = other._pres.get(key).
+      // Deduplicate based on `fn`
+      filter(p => sourcePres.map(_p => _p.fn).indexOf(p.fn) === -1);
+    const combined = sourcePres.concat(deduplicated);
+    combined.numAsync = sourcePres.numAsync || 0;
+    combined.numAsync += deduplicated.filter(p => p.isAsync).length;
+    ret._pres.set(key, combined);
+  }
+  for (let key of other._posts.keys()) {
+    const sourcePosts = ret._posts.get(key) || [];
+    const deduplicated = other._posts.get(key).
+      filter(p => sourcePosts.indexOf(p) === -1);
+    ret._posts.set(key, sourcePosts.concat(deduplicated));
+  }
+
+  return ret;
+};
+
+function callMiddlewareFunction(fn, context, args, next) {
+  let maybePromiseLike;
+  try {
+    maybePromiseLike = fn.apply(context, args);
+  } catch (error) {
+    return next(error);
+  }
+
+  if (isPromiseLike(maybePromiseLike)) {
+    maybePromiseLike.then(() => next(), err => next(err));
+  }
+}
+
+function isPromiseLike(v) {
+  return (typeof v === 'object' && v !== null && typeof v.then === 'function');
+}
+
+function decorateNextFn(fn) {
+  var called = false;
+  var _this = this;
+  return function() {
+    // Ensure this function can only be called once
+    if (called) {
+      return;
+    }
+    called = true;
+    // Make sure to clear the stack so try/catch doesn't catch errors
+    // in subsequent middleware
+    return nextTick(() => fn.apply(_this, arguments));
+  };
+}
+
+const nextTick = typeof process === 'object' && process !== null && process.nextTick || function nextTick(cb) { 
+  setTimeout(cb, 0); 
+};
+
+module.exports = Kareem;
diff --git a/node_modules/kareem/package.json b/node_modules/kareem/package.json
new file mode 100644
index 000000000..437dded94
--- /dev/null
+++ b/node_modules/kareem/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "kareem",
+  "version": "2.4.1",
+  "description": "Next-generation take on pre/post function hooks",
+  "main": "index.js",
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha ./test/*",
+    "test-travis": "nyc mocha ./test/*"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/vkarpov15/kareem.git"
+  },
+  "devDependencies": {
+    "@masteringjs/eslint-config": "0.0.1",
+    "acquit": "1.x",
+    "acquit-ignore": "0.1.x",
+    "eslint": "8.15.0",
+    "mocha": "9.2.0",
+    "nyc": "15.1.0"
+  },
+  "author": "Valeri Karpov <val@karpov.io>",
+  "license": "Apache-2.0"
+}
diff --git a/node_modules/kareem/test/examples.test.js b/node_modules/kareem/test/examples.test.js
new file mode 100644
index 000000000..a267be333
--- /dev/null
+++ b/node_modules/kareem/test/examples.test.js
@@ -0,0 +1,429 @@
+'use strict';
+
+var assert = require('assert');
+const { beforeEach, describe, it } = require('mocha');
+var Kareem = require('../');
+
+/* Much like [hooks](https://npmjs.org/package/hooks), kareem lets you define
+ * pre and post hooks: pre hooks are called before a given function executes.
+ * Unlike hooks, kareem stores hooks and other internal state in a separate
+ * object, rather than relying on inheritance. Furthermore, kareem exposes
+ * an `execPre()` function that allows you to execute your pre hooks when
+ * appropriate, giving you more fine-grained control over your function hooks.
+ */
+describe('pre hooks', function() {
+  var hooks;
+
+  beforeEach(function() {
+    hooks = new Kareem();
+  });
+
+  it('runs without any hooks specified', function(done) {
+    hooks.execPre('cook', null, function() {
+      // ...
+      // acquit:ignore:start
+      done();
+      // acquit:ignore:end
+    });
+  });
+
+  /* pre hook functions take one parameter, a "done" function that you execute
+   * when your pre hook is finished.
+   */
+  it('runs basic serial pre hooks', function(done) {
+    var count = 0;
+
+    hooks.pre('cook', function(done) {
+      ++count;
+      done();
+    });
+
+    hooks.execPre('cook', null, function() {
+      assert.equal(1, count);
+      // acquit:ignore:start
+      done();
+      // acquit:ignore:end
+    });
+  });
+
+  it('can run multipe pre hooks', function(done) {
+    var count1 = 0;
+    var count2 = 0;
+
+    hooks.pre('cook', function(done) {
+      ++count1;
+      done();
+    });
+
+    hooks.pre('cook', function(done) {
+      ++count2;
+      done();
+    });
+
+    hooks.execPre('cook', null, function() {
+      assert.equal(1, count1);
+      assert.equal(1, count2);
+      // acquit:ignore:start
+      done();
+      // acquit:ignore:end
+    });
+  });
+
+  /* If your pre hook function takes no parameters, its assumed to be
+   * fully synchronous.
+   */
+  it('can run fully synchronous pre hooks', function(done) {
+    var count1 = 0;
+    var count2 = 0;
+
+    hooks.pre('cook', function() {
+      ++count1;
+    });
+
+    hooks.pre('cook', function() {
+      ++count2;
+    });
+
+    hooks.execPre('cook', null, function(error) {
+      assert.equal(null, error);
+      assert.equal(1, count1);
+      assert.equal(1, count2);
+      // acquit:ignore:start
+      done();
+      // acquit:ignore:end
+    });
+  });
+
+  /* Pre save hook functions are bound to the second parameter to `execPre()`
+   */
+  it('properly attaches context to pre hooks', function(done) {
+    hooks.pre('cook', function(done) {
+      this.bacon = 3;
+      done();
+    });
+
+    hooks.pre('cook', function(done) {
+      this.eggs = 4;
+      done();
+    });
+
+    var obj = { bacon: 0, eggs: 0 };
+
+    // In the pre hooks, `this` will refer to `obj`
+    hooks.execPre('cook', obj, function(error) {
+      assert.equal(null, error);
+      assert.equal(3, obj.bacon);
+      assert.equal(4, obj.eggs);
+      // acquit:ignore:start
+      done();
+      // acquit:ignore:end
+    });
+  });
+
+  /* Like the hooks module, you can declare "async" pre hooks - these take two
+   * parameters, the functions `next()` and `done()`. `next()` passes control to
+   * the next pre hook, but the underlying function won't be called until all
+   * async pre hooks have called `done()`.
+   */
+  it('can execute parallel (async) pre hooks', function(done) {
+    hooks.pre('cook', true, function(next, done) {
+      this.bacon = 3;
+      next();
+      setTimeout(function() {
+        done();
+      }, 5);
+    });
+
+    hooks.pre('cook', true, function(next, done) {
+      next();
+      var _this = this;
+      setTimeout(function() {
+        _this.eggs = 4;
+        done();
+      }, 10);
+    });
+
+    hooks.pre('cook', function(next) {
+      this.waffles = false;
+      next();
+    });
+
+    var obj = { bacon: 0, eggs: 0 };
+
+    hooks.execPre('cook', obj, function() {
+      assert.equal(3, obj.bacon);
+      assert.equal(4, obj.eggs);
+      assert.equal(false, obj.waffles);
+      // acquit:ignore:start
+      done();
+      // acquit:ignore:end
+    });
+  });
+
+  /* You can also return a promise from your pre hooks instead of calling
+   * `next()`. When the returned promise resolves, kareem will kick off the
+   * next middleware.
+   */
+  it('supports returning a promise', function(done) {
+    hooks.pre('cook', function() {
+      return new Promise(resolve => {
+        setTimeout(() => {
+          this.bacon = 3;
+          resolve();
+        }, 100);
+      });
+    });
+
+    var obj = { bacon: 0 };
+
+    hooks.execPre('cook', obj, function() {
+      assert.equal(3, obj.bacon);
+      // acquit:ignore:start
+      done();
+      // acquit:ignore:end
+    });
+  });
+});
+
+describe('post hooks', function() {
+  var hooks;
+
+  beforeEach(function() {
+    hooks = new Kareem();
+  });
+
+  it('runs without any hooks specified', function(done) {
+    hooks.execPost('cook', null, [1], function(error, eggs) {
+      assert.ifError(error);
+      assert.equal(1, eggs);
+      done();
+    });
+  });
+
+  it('executes with parameters passed in', function(done) {
+    hooks.post('cook', function(eggs, bacon, callback) {
+      assert.equal(1, eggs);
+      assert.equal(2, bacon);
+      callback();
+    });
+
+    hooks.execPost('cook', null, [1, 2], function(error, eggs, bacon) {
+      assert.ifError(error);
+      assert.equal(1, eggs);
+      assert.equal(2, bacon);
+      // acquit:ignore:start
+      done();
+      // acquit:ignore:end
+    });
+  });
+
+  it('can use synchronous post hooks', function(done) {
+    var execed = {};
+
+    hooks.post('cook', function(eggs, bacon) {
+      execed.first = true;
+      assert.equal(1, eggs);
+      assert.equal(2, bacon);
+    });
+
+    hooks.post('cook', function(eggs, bacon, callback) {
+      execed.second = true;
+      assert.equal(1, eggs);
+      assert.equal(2, bacon);
+      callback();
+    });
+
+    hooks.execPost('cook', null, [1, 2], function(error, eggs, bacon) {
+      assert.ifError(error);
+      assert.equal(2, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      assert.equal(1, eggs);
+      assert.equal(2, bacon);
+      // acquit:ignore:start
+      done();
+      // acquit:ignore:end
+    });
+  });
+
+  /* You can also return a promise from your post hooks instead of calling
+   * `next()`. When the returned promise resolves, kareem will kick off the
+   * next middleware.
+   */
+  it('supports returning a promise', function(done) {
+    hooks.post('cook', function(bacon) {
+      return new Promise(resolve => {
+        setTimeout(() => {
+          this.bacon = 3;
+          resolve();
+        }, 100);
+      });
+    });
+
+    var obj = { bacon: 0 };
+
+    hooks.execPost('cook', obj, obj, function() {
+      assert.equal(obj.bacon, 3);
+      // acquit:ignore:start
+      done();
+      // acquit:ignore:end
+    });
+  });
+});
+
+describe('wrap()', function() {
+  var hooks;
+
+  beforeEach(function() {
+    hooks = new Kareem();
+  });
+
+  it('wraps pre and post calls into one call', function(done) {
+    hooks.pre('cook', true, function(next, done) {
+      this.bacon = 3;
+      next();
+      setTimeout(function() {
+        done();
+      }, 5);
+    });
+
+    hooks.pre('cook', true, function(next, done) {
+      next();
+      var _this = this;
+      setTimeout(function() {
+        _this.eggs = 4;
+        done();
+      }, 10);
+    });
+
+    hooks.pre('cook', function(next) {
+      this.waffles = false;
+      next();
+    });
+
+    hooks.post('cook', function(obj) {
+      obj.tofu = 'no';
+    });
+
+    var obj = { bacon: 0, eggs: 0 };
+
+    var args = [obj];
+    args.push(function(error, result) {
+      assert.ifError(error);
+      assert.equal(null, error);
+      assert.equal(3, obj.bacon);
+      assert.equal(4, obj.eggs);
+      assert.equal(false, obj.waffles);
+      assert.equal('no', obj.tofu);
+
+      assert.equal(obj, result);
+      // acquit:ignore:start
+      done();
+      // acquit:ignore:end
+    });
+
+    hooks.wrap(
+      'cook',
+      function(o, callback) {
+        assert.equal(3, obj.bacon);
+        assert.equal(4, obj.eggs);
+        assert.equal(false, obj.waffles);
+        assert.equal(undefined, obj.tofu);
+        callback(null, o);
+      },
+      obj,
+      args);
+  });
+});
+
+describe('createWrapper()', function() {
+  var hooks;
+
+  beforeEach(function() {
+    hooks = new Kareem();
+  });
+
+  it('wraps wrap() into a callable function', function(done) {
+    hooks.pre('cook', true, function(next, done) {
+      this.bacon = 3;
+      next();
+      setTimeout(function() {
+        done();
+      }, 5);
+    });
+
+    hooks.pre('cook', true, function(next, done) {
+      next();
+      var _this = this;
+      setTimeout(function() {
+        _this.eggs = 4;
+        done();
+      }, 10);
+    });
+
+    hooks.pre('cook', function(next) {
+      this.waffles = false;
+      next();
+    });
+
+    hooks.post('cook', function(obj) {
+      obj.tofu = 'no';
+    });
+
+    var obj = { bacon: 0, eggs: 0 };
+
+    var cook = hooks.createWrapper(
+      'cook',
+      function(o, callback) {
+        assert.equal(3, obj.bacon);
+        assert.equal(4, obj.eggs);
+        assert.equal(false, obj.waffles);
+        assert.equal(undefined, obj.tofu);
+        callback(null, o);
+      },
+      obj);
+
+    cook(obj, function(error, result) {
+      assert.ifError(error);
+      assert.equal(3, obj.bacon);
+      assert.equal(4, obj.eggs);
+      assert.equal(false, obj.waffles);
+      assert.equal('no', obj.tofu);
+
+      assert.equal(obj, result);
+      // acquit:ignore:start
+      done();
+      // acquit:ignore:end
+    });
+  });
+});
+
+describe('clone()', function() {
+  it('clones a Kareem object', function() {
+    var k1 = new Kareem();
+    k1.pre('cook', function() {});
+    k1.post('cook', function() {});
+
+    var k2 = k1.clone();
+    assert.deepEqual(Array.from(k2._pres.keys()), ['cook']);
+    assert.deepEqual(Array.from(k2._posts.keys()), ['cook']);
+  });
+});
+
+describe('merge()', function() {
+  it('pulls hooks from another Kareem object', function() {
+    var k1 = new Kareem();
+    var test1 = function() {};
+    k1.pre('cook', test1);
+    k1.post('cook', function() {});
+
+    var k2 = new Kareem();
+    var test2 = function() {};
+    k2.pre('cook', test2);
+    var k3 = k2.merge(k1);
+    assert.equal(k3._pres.get('cook').length, 2);
+    assert.equal(k3._pres.get('cook')[0].fn, test2);
+    assert.equal(k3._pres.get('cook')[1].fn, test1);
+    assert.equal(k3._posts.get('cook').length, 1);
+  });
+});
diff --git a/node_modules/kareem/test/misc.test.js b/node_modules/kareem/test/misc.test.js
new file mode 100644
index 000000000..db3e4e6bf
--- /dev/null
+++ b/node_modules/kareem/test/misc.test.js
@@ -0,0 +1,71 @@
+'use strict';
+
+const assert = require('assert');
+const Kareem = require('../');
+const { describe, it } = require('mocha');
+
+describe('hasHooks', function() {
+  it('returns false for toString (Automattic/mongoose#6538)', function() {
+    const k = new Kareem();
+    assert.ok(!k.hasHooks('toString'));
+  });
+});
+
+describe('merge', function() {
+  it('handles async pres if source doesnt have them', function() {
+    const k1 = new Kareem();
+    k1.pre('cook', true, function(next, done) {
+      setTimeout(
+        function() {
+          done('error!');
+        },
+        5);
+
+      next();
+    });
+
+    assert.equal(k1._pres.get('cook').numAsync, 1);
+
+    const k2 = new Kareem();
+    const k3 = k2.merge(k1);
+    assert.equal(k3._pres.get('cook').numAsync, 1);
+  });
+});
+
+describe('filter', function() {
+  it('returns clone with only hooks that match `fn()`', function() {
+    const k1 = new Kareem();
+
+    k1.pre('update', { document: true }, f1);
+    k1.pre('update', { query: true }, f2);
+    k1.pre('remove', { document: true }, f3);
+
+    k1.post('update', { document: true }, f1);
+    k1.post('update', { query: true }, f2);
+    k1.post('remove', { document: true }, f3);
+
+    const k2 = k1.filter(hook => hook.document);
+    assert.equal(k2._pres.get('update').length, 1);
+    assert.equal(k2._pres.get('update')[0].fn, f1);
+    assert.equal(k2._pres.get('remove').length, 1);
+    assert.equal(k2._pres.get('remove')[0].fn, f3);
+
+    assert.equal(k2._posts.get('update').length, 1);
+    assert.equal(k2._posts.get('update')[0].fn, f1);
+    assert.equal(k2._posts.get('remove').length, 1);
+    assert.equal(k2._posts.get('remove')[0].fn, f3);
+
+    const k3 = k1.filter(hook => hook.query);
+    assert.equal(k3._pres.get('update').length, 1);
+    assert.equal(k3._pres.get('update')[0].fn, f2);
+    assert.ok(!k3._pres.has('remove'));
+
+    assert.equal(k3._posts.get('update').length, 1);
+    assert.equal(k3._posts.get('update')[0].fn, f2);
+    assert.ok(!k3._posts.has('remove'));
+
+    function f1() {}
+    function f2() {}
+    function f3() {}
+  });
+});
diff --git a/node_modules/kareem/test/post.test.js b/node_modules/kareem/test/post.test.js
new file mode 100644
index 000000000..36a307292
--- /dev/null
+++ b/node_modules/kareem/test/post.test.js
@@ -0,0 +1,264 @@
+'use strict';
+
+const assert = require('assert');
+const Kareem = require('../');
+const { beforeEach, describe, it } = require('mocha');
+
+describe('execPost', function() {
+  var hooks;
+
+  beforeEach(function() {
+    hooks = new Kareem();
+  });
+
+  it('handles errors', function(done) {
+    hooks.post('cook', function(eggs, callback) {
+      callback('error!');
+    });
+
+    hooks.execPost('cook', null, [4], function(error, eggs) {
+      assert.equal('error!', error);
+      assert.ok(!eggs);
+      done();
+    });
+  });
+
+  it('unshift', function() {
+    var f1 = function() {};
+    var f2 = function() {};
+    hooks.post('cook', f1);
+    hooks.post('cook', f2, true);
+    assert.strictEqual(hooks._posts.get('cook')[0].fn, f2);
+    assert.strictEqual(hooks._posts.get('cook')[1].fn, f1);
+  });
+
+  it('arbitrary options', function() {
+    const f1 = function() {};
+    const f2 = function() {};
+    hooks.post('cook', { foo: 'bar' }, f1);
+    hooks.post('cook', { bar: 'baz' }, f2, true);
+    assert.equal(hooks._posts.get('cook')[1].foo, 'bar');
+    assert.equal(hooks._posts.get('cook')[0].bar, 'baz');
+  });
+
+  it('throws error if no function', function() {
+    assert.throws(() => hooks.post('test'), /got "undefined"/);
+  });
+ 
+  it('multiple posts', function(done) {
+    hooks.post('cook', function(eggs, callback) {
+      setTimeout(
+        function() {
+          callback();
+        },
+        5);
+    });
+
+    hooks.post('cook', function(eggs, callback) {
+      setTimeout(
+        function() {
+          callback();
+        },
+        5);
+    });
+
+    hooks.execPost('cook', null, [4], function(error, eggs) {
+      assert.ifError(error);
+      assert.equal(4, eggs);
+      done();
+    });
+  });
+
+  it('error posts', function(done) {
+    var called = {};
+    hooks.post('cook', function(eggs, callback) {
+      called.first = true;
+      callback();
+    });
+
+    hooks.post('cook', function(eggs, callback) {
+      called.second = true;
+      callback(new Error('fail'));
+    });
+
+    hooks.post('cook', function(eggs, callback) {
+      assert.ok(false);
+    });
+
+    hooks.post('cook', function(error, eggs, callback) {
+      called.fourth = true;
+      assert.equal(error.message, 'fail');
+      callback(new Error('fourth'));
+    });
+
+    hooks.post('cook', function(error, eggs, callback) {
+      called.fifth = true;
+      assert.equal(error.message, 'fourth');
+      callback(new Error('fifth'));
+    });
+
+    hooks.execPost('cook', null, [4], function(error, eggs) {
+      assert.ok(error);
+      assert.equal(error.message, 'fifth');
+      assert.deepEqual(called, {
+        first: true,
+        second: true,
+        fourth: true,
+        fifth: true
+      });
+      done();
+    });
+  });
+
+  it('error posts with initial error', function(done) {
+    var called = {};
+
+    hooks.post('cook', function(eggs, callback) {
+      assert.ok(false);
+    });
+
+    hooks.post('cook', function(error, eggs, callback) {
+      called.second = true;
+      assert.equal(error.message, 'fail');
+      callback(new Error('second'));
+    });
+
+    hooks.post('cook', function(error, eggs, callback) {
+      called.third = true;
+      assert.equal(error.message, 'second');
+      callback(new Error('third'));
+    });
+
+    hooks.post('cook', function(error, eggs, callback) {
+      called.fourth = true;
+      assert.equal(error.message, 'third');
+      callback();
+    });
+
+    var options = { error: new Error('fail') };
+    hooks.execPost('cook', null, [4], options, function(error, eggs) {
+      assert.ok(error);
+      assert.equal(error.message, 'third');
+      assert.deepEqual(called, {
+        second: true,
+        third: true,
+        fourth: true
+      });
+      done();
+    });
+  });
+
+  it('supports returning a promise', function(done) {
+    var calledPost = 0;
+
+    hooks.post('cook', function() {
+      return new Promise(resolve => {
+        setTimeout(() => {
+          ++calledPost;
+          resolve();
+        }, 100);
+      });
+    });
+
+    hooks.execPost('cook', null, [], {}, function(error) {
+      assert.ifError(error);
+      assert.equal(calledPost, 1);
+      done();
+    });
+  });
+
+  it('supports overwriteResult', function(done) {
+    hooks.post('cook', function(eggs, callback) {
+      callback(Kareem.overwriteResult(5));
+    });
+
+    hooks.post('cook', function(eggs, callback) {
+      assert.equal(eggs, 5);
+      callback();
+    });
+
+    var options = {};
+    hooks.execPost('cook', null, [4], options, function(error, eggs) {
+      assert.equal(eggs, 5);
+      done();
+    });
+  });
+
+  it('supports sync returning overwriteResult', function(done) {
+    hooks.post('cook', function() {
+      return Kareem.overwriteResult(5);
+    });
+
+    hooks.post('cook', function(eggs, callback) {
+      assert.equal(eggs, 5);
+      callback();
+    });
+
+    var options = {};
+    hooks.execPost('cook', null, [4], options, function(error, eggs) {
+      assert.ifError(error);
+      assert.equal(eggs, 5);
+      done();
+    });
+  });
+
+  it('supports sync overwriteResult', function() {
+    hooks.post('cook', function(eggs) {
+      return Kareem.overwriteResult(5);
+    });
+
+    hooks.post('cook', function(eggs) {
+      assert.equal(eggs, 5);
+    });
+
+    var options = {};
+    const res = hooks.execPostSync('cook', null, [4], options);
+    assert.deepEqual(res, [5]);
+  });
+
+  it('supports overwriteResult with promises', function(done) {
+    hooks.post('cook', function(eggs) {
+      return Promise.resolve(Kareem.overwriteResult(5));
+    });
+
+    hooks.post('cook', function(eggs) {
+      assert.equal(eggs, 5);
+    });
+
+    var options = {};
+    hooks.execPost('cook', null, [4], options, function(error, eggs) {
+      assert.equal(eggs, 5);
+      done();
+    });
+  }); 
+});
+
+describe('execPostSync', function() {
+  var hooks;
+
+  beforeEach(function() {
+    hooks = new Kareem();
+  });
+
+  it('executes hooks synchronously', function() {
+    var execed = {};
+
+    hooks.post('cook', function() {
+      execed.first = true;
+    });
+
+    hooks.post('cook', function() {
+      execed.second = true;
+    });
+
+    hooks.execPostSync('cook', null);
+    assert.ok(execed.first);
+    assert.ok(execed.second);
+  });
+
+  it('works with no hooks specified', function() {
+    assert.doesNotThrow(function() {
+      hooks.execPostSync('cook', null);
+    });
+  });
+});
diff --git a/node_modules/kareem/test/pre.test.js b/node_modules/kareem/test/pre.test.js
new file mode 100644
index 000000000..3c2a8593f
--- /dev/null
+++ b/node_modules/kareem/test/pre.test.js
@@ -0,0 +1,359 @@
+'use strict';
+
+const assert = require('assert');
+const Kareem = require('../');
+const { beforeEach, describe, it } = require('mocha');
+
+describe('execPre', function() {
+  var hooks;
+
+  beforeEach(function() {
+    hooks = new Kareem();
+  });
+
+  it('handles errors with multiple pres', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', function(done) {
+      execed.first = true;
+      done();
+    });
+
+    hooks.pre('cook', function(done) {
+      execed.second = true;
+      done('error!');
+    });
+
+    hooks.pre('cook', function(done) {
+      execed.third = true;
+      done();
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.equal('error!', err);
+      assert.equal(2, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      done();
+    });
+  });
+
+  it('sync errors', function(done) {
+    var called = 0;
+
+    hooks.pre('cook', function(next) {
+      throw new Error('woops!');
+    });
+
+    hooks.pre('cook', function(next) {
+      ++called;
+      next();
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.equal(err.message, 'woops!');
+      assert.equal(called, 0);
+      done();
+    });
+  });
+
+  it('unshift', function() {
+    var f1 = function() {};
+    var f2 = function() {};
+    hooks.pre('cook', false, f1);
+    hooks.pre('cook', false, f2, null, true);
+    assert.strictEqual(hooks._pres.get('cook')[0].fn, f2);
+    assert.strictEqual(hooks._pres.get('cook')[1].fn, f1);
+  });
+
+  it('throws error if no function', function() {
+    assert.throws(() => hooks.pre('test'), /got "undefined"/);
+  });
+
+  it('arbitrary options', function() {
+    const f1 = function() {};
+    const f2 = function() {};
+    hooks.pre('cook', { foo: 'bar' }, f1);
+    hooks.pre('cook', { bar: 'baz' }, f2, null, true);
+    assert.equal(hooks._pres.get('cook')[1].foo, 'bar');
+    assert.equal(hooks._pres.get('cook')[0].bar, 'baz');
+  });
+
+  it('handles async errors', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.first = true;
+      setTimeout(
+        function() {
+          done('error!');
+        },
+        5);
+
+      next();
+    });
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.second = true;
+      setTimeout(
+        function() {
+          done('other error!');
+        },
+        10);
+
+      next();
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.equal('error!', err);
+      assert.equal(2, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      done();
+    });
+  });
+
+  it('handles async errors in next()', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.first = true;
+      setTimeout(
+        function() {
+          done('other error!');
+        },
+        15);
+
+      next();
+    });
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.second = true;
+      setTimeout(
+        function() {
+          next('error!');
+          done('another error!');
+        },
+        5);
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.equal('error!', err);
+      assert.equal(2, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      done();
+    });
+  });
+
+  it('handles async errors in next() when already done', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.first = true;
+      setTimeout(
+        function() {
+          done('other error!');
+        },
+        5);
+
+      next();
+    });
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.second = true;
+      setTimeout(
+        function() {
+          next('error!');
+          done('another error!');
+        },
+        25);
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.equal('other error!', err);
+      assert.equal(2, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      done();
+    });
+  });
+
+  it('async pres with clone()', function(done) {
+    var execed = false;
+
+    hooks.pre('cook', true, function(next, done) {
+      execed = true;
+      setTimeout(
+        function() {
+          done();
+        },
+        5);
+
+      next();
+    });
+
+    hooks.clone().execPre('cook', null, function(err) {
+      assert.ifError(err);
+      assert.ok(execed);
+      done();
+    });
+  });
+
+  it('returns correct error when async pre errors', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.first = true;
+      setTimeout(
+        function() {
+          done('other error!');
+        },
+        5);
+
+      next();
+    });
+
+    hooks.pre('cook', function(next) {
+      execed.second = true;
+      setTimeout(
+        function() {
+          next('error!');
+        },
+        15);
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.equal('other error!', err);
+      assert.equal(2, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      done();
+    });
+  });
+
+  it('lets async pres run when fully sync pres are done', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', true, function(next, done) {
+      execed.first = true;
+      setTimeout(
+        function() {
+          done();
+        },
+        5);
+
+      next();
+    });
+
+    hooks.pre('cook', function() {
+      execed.second = true;
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.ifError(err);
+      assert.equal(2, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      done();
+    });
+  });
+
+  it('allows passing arguments to the next pre', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', function(next) {
+      execed.first = true;
+      next(null, 'test');
+    });
+
+    hooks.pre('cook', function(next, p) {
+      execed.second = true;
+      assert.equal(p, 'test');
+      next();
+    });
+
+    hooks.pre('cook', function(next, p) {
+      execed.third = true;
+      assert.ok(!p);
+      next();
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.ifError(err);
+      assert.equal(3, Object.keys(execed).length);
+      assert.ok(execed.first);
+      assert.ok(execed.second);
+      assert.ok(execed.third);
+      done();
+    });
+  });
+
+  it('handles sync errors in pre if there are more hooks', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', function() {
+      execed.first = true;
+      throw new Error('Oops!');
+    });
+
+    hooks.pre('cook', function() {
+      execed.second = true;
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.ok(err);
+      assert.ok(execed.first);
+      assert.equal(err.message, 'Oops!');
+      done();
+    });
+  });
+
+  it('supports skipWrappedFunction', function(done) {
+    var execed = {};
+
+    hooks.pre('cook', function(callback) {
+      callback(Kareem.skipWrappedFunction(42));
+    });
+
+    hooks.pre('cook', function() {
+      execed.second = true;
+    });
+
+    hooks.execPre('cook', null, function(err) {
+      assert.ok(execed.second);
+      assert.ok(err instanceof Kareem.skipWrappedFunction);
+      done();
+    });
+  });
+});
+
+describe('execPreSync', function() {
+  var hooks;
+
+  beforeEach(function() {
+    hooks = new Kareem();
+  });
+
+  it('executes hooks synchronously', function() {
+    var execed = {};
+
+    hooks.pre('cook', function() {
+      execed.first = true;
+    });
+
+    hooks.pre('cook', function() {
+      execed.second = true;
+    });
+
+    hooks.execPreSync('cook', null);
+    assert.ok(execed.first);
+    assert.ok(execed.second);
+  });
+
+  it('works with no hooks specified', function() {
+    assert.doesNotThrow(function() {
+      hooks.execPreSync('cook', null);
+    });
+  });
+});
diff --git a/node_modules/kareem/test/wrap.test.js b/node_modules/kareem/test/wrap.test.js
new file mode 100644
index 000000000..c248686ff
--- /dev/null
+++ b/node_modules/kareem/test/wrap.test.js
@@ -0,0 +1,467 @@
+'use strict';
+
+var assert = require('assert');
+var Kareem = require('../');
+const { beforeEach, describe, it } = require('mocha');
+
+describe('wrap()', function() {
+  var hooks;
+
+  beforeEach(function() {
+    hooks = new Kareem();
+  });
+
+  it('handles pre errors', function(done) {
+    hooks.pre('cook', function(done) {
+      done('error!');
+    });
+
+    hooks.post('cook', function(obj) {
+      obj.tofu = 'no';
+    });
+
+    var obj = { bacon: 0, eggs: 0 };
+
+    var args = [obj];
+    args.push(function(error, result) {
+      assert.equal('error!', error);
+      assert.ok(!result);
+      assert.equal(undefined, obj.tofu);
+      done();
+    });
+
+    hooks.wrap(
+      'cook',
+      function(o, callback) {
+        // Should never get called
+        assert.ok(false);
+        callback(null, o);
+      },
+      obj,
+      args);
+  });
+
+  it('handles pre errors when no callback defined', function(done) {
+    hooks.pre('cook', function(done) {
+      done('error!');
+    });
+
+    hooks.post('cook', function(obj) {
+      obj.tofu = 'no';
+    });
+
+    var obj = { bacon: 0, eggs: 0 };
+
+    var args = [obj];
+
+    hooks.wrap(
+      'cook',
+      function(o, callback) {
+        // Should never get called
+        assert.ok(false);
+        callback(null, o);
+      },
+      obj,
+      args);
+
+    setTimeout(
+      function() {
+        done();
+      },
+      25);
+  });
+
+  it('handles errors in wrapped function', function(done) {
+    hooks.pre('cook', function(done) {
+      done();
+    });
+
+    hooks.post('cook', function(obj) {
+      obj.tofu = 'no';
+    });
+
+    var obj = { bacon: 0, eggs: 0 };
+
+    var args = [obj];
+    args.push(function(error, result) {
+      assert.equal('error!', error);
+      assert.ok(!result);
+      assert.equal(undefined, obj.tofu);
+      done();
+    });
+
+    hooks.wrap(
+      'cook',
+      function(o, callback) {
+        callback('error!');
+      },
+      obj,
+      args);
+  });
+
+  it('handles errors in post', function(done) {
+    hooks.pre('cook', function(done) {
+      done();
+    });
+
+    hooks.post('cook', function(obj, callback) {
+      obj.tofu = 'no';
+      callback('error!');
+    });
+
+    var obj = { bacon: 0, eggs: 0 };
+
+    var args = [obj];
+    args.push(function(error, result) {
+      assert.equal('error!', error);
+      assert.ok(!result);
+      assert.equal('no', obj.tofu);
+      done();
+    });
+
+    hooks.wrap(
+      'cook',
+      function(o, callback) {
+        callback(null, o);
+      },
+      obj,
+      args);
+  });
+
+  it('defers errors to post hooks if enabled', function(done) {
+    hooks.pre('cook', function(done) {
+      done(new Error('fail'));
+    });
+
+    hooks.post('cook', function(error, res, callback) {
+      callback(new Error('another error occurred'));
+    });
+
+    var args = [];
+    args.push(function(error) {
+      assert.equal(error.message, 'another error occurred');
+      done();
+    });
+
+    hooks.wrap(
+      'cook',
+      function(callback) {
+        assert.ok(false);
+        callback();
+      },
+      null,
+      args,
+      { useErrorHandlers: true, numCallbackParams: 1 });
+  });
+
+  it('error handlers with no callback', function(done) {
+    hooks.pre('cook', function(done) {
+      done(new Error('fail'));
+    });
+
+    hooks.post('cook', function(error, callback) {
+      assert.equal(error.message, 'fail');
+      done();
+    });
+
+    var args = [];
+
+    hooks.wrap(
+      'cook',
+      function(callback) {
+        assert.ok(false);
+        callback();
+      },
+      null,
+      args,
+      { useErrorHandlers: true });
+  });
+
+  it('error handlers with no error', function(done) {
+    hooks.post('cook', function(error, callback) {
+      callback(new Error('another error occurred'));
+    });
+
+    var args = [];
+    args.push(function(error) {
+      assert.ifError(error);
+      done();
+    });
+
+    hooks.wrap(
+      'cook',
+      function(callback) {
+        callback();
+      },
+      null,
+      args,
+      { useErrorHandlers: true });
+  });
+
+  it('works with no args', function(done) {
+    hooks.pre('cook', function(done) {
+      done();
+    });
+
+    hooks.post('cook', function(callback) {
+      obj.tofu = 'no';
+      callback();
+    });
+
+    var obj = { bacon: 0, eggs: 0 };
+
+    var args = [];
+
+    hooks.wrap(
+      'cook',
+      function(callback) {
+        callback(null);
+      },
+      obj,
+      args);
+
+    setTimeout(
+      function() {
+        assert.equal('no', obj.tofu);
+        done();
+      },
+      25);
+  });
+
+  it('handles pre errors with no args', function(done) {
+    hooks.pre('cook', function(done) {
+      done('error!');
+    });
+
+    hooks.post('cook', function(callback) {
+      obj.tofu = 'no';
+      callback();
+    });
+
+    var obj = { bacon: 0, eggs: 0 };
+
+    var args = [];
+
+    hooks.wrap(
+      'cook',
+      function(callback) {
+        callback(null);
+      },
+      obj,
+      args);
+
+    setTimeout(
+      function() {
+        assert.equal(undefined, obj.tofu);
+        done();
+      },
+      25);
+  });
+
+  it('handles wrapped function errors with no args', function(done) {
+    hooks.pre('cook', function(done) {
+      obj.waffles = false;
+      done();
+    });
+
+    hooks.post('cook', function(callback) {
+      obj.tofu = 'no';
+      callback();
+    });
+
+    var obj = { bacon: 0, eggs: 0 };
+
+    var args = [];
+
+    hooks.wrap(
+      'cook',
+      function(callback) {
+        callback('error!');
+      },
+      obj,
+      args);
+
+    setTimeout(
+      function() {
+        assert.equal(false, obj.waffles);
+        assert.equal(undefined, obj.tofu);
+        done();
+      },
+      25);
+  });
+
+  it('supports overwriteResult', function(done) {
+    hooks.post('cook', function(eggs, callback) {
+      callback(Kareem.overwriteResult(5));
+    });
+
+    const args = [(err, res) => {
+      assert.ifError(err);
+      assert.equal(res, 5);
+      done();
+    }];
+
+    hooks.wrap(
+      'cook',
+      function(callback) {
+        callback(null, 4);
+      },
+      null,
+      args);
+  });
+
+  it('supports skipWrappedFunction', function(done) {
+    const execed = {};
+    hooks.pre('cook', function pre(callback) {
+      execed.pre = true;
+      callback(Kareem.skipWrappedFunction(3));
+    });
+
+    hooks.post('cook', function(res, callback) {
+      assert.equal(res, 3);
+      execed.post = true;
+      callback();
+    });
+
+    const args = [(err, res) => {
+      assert.ifError(err);
+      assert.equal(res, 3);
+      assert.ok(execed.pre);
+      assert.ok(execed.post);
+      assert.ok(!execed.wrapped);
+      done();
+    }];
+
+    hooks.wrap(
+      'cook',
+      function wrapped(callback) {
+        execed.wrapped = true;
+        callback();
+      },
+      null,
+      args);
+  });
+
+  it('supports skipWrappedFunction with arguments', function(done) {
+    const execed = {};
+    hooks.pre('cook', function pre(callback, arg) {
+      execed.pre = true;
+      assert.strictEqual(arg, 4);
+      callback(Kareem.skipWrappedFunction(3));
+    });
+
+    hooks.post('cook', function(res, callback) {
+      assert.equal(res, 3);
+      execed.post = true;
+      callback();
+    });
+
+    const args = [4, (err, res) => {
+      assert.ifError(err);
+      assert.equal(res, 3);
+      assert.ok(execed.pre);
+      assert.ok(execed.post);
+      assert.ok(!execed.wrapped);
+      done();
+    }];
+
+    hooks.wrap(
+      'cook',
+      function wrapped(arg, callback) {
+        execed.wrapped = true;
+        callback();
+      },
+      null,
+      args);
+  });
+
+  it('handles post errors with no args', function(done) {
+    hooks.pre('cook', function(done) {
+      obj.waffles = false;
+      done();
+    });
+
+    hooks.post('cook', function(callback) {
+      obj.tofu = 'no';
+      callback('error!');
+    });
+
+    var obj = { bacon: 0, eggs: 0 };
+
+    var args = [];
+
+    hooks.wrap(
+      'cook',
+      function(callback) {
+        callback();
+      },
+      obj,
+      args);
+
+    setTimeout(
+      function() {
+        assert.equal(false, obj.waffles);
+        assert.equal('no', obj.tofu);
+        done();
+      },
+      25);
+  });
+
+  it('catches sync errors', function(done) {
+    hooks.pre('cook', function(done) {
+      done();
+    });
+
+    hooks.post('cook', function(callback) {
+      callback();
+    });
+
+    var args = [];
+    args.push(function(error) {
+      assert.equal(error.message, 'oops!');
+      done();
+    });
+
+    hooks.wrap(
+      'cook',
+      function() {
+        throw new Error('oops!');
+      },
+      null,
+      args);
+  });
+
+  it('sync wrappers', function() {
+    var calledPre = 0;
+    var calledFn = 0;
+    var calledPost = 0;
+    hooks.pre('cook', function() {
+      ++calledPre;
+    });
+
+    hooks.post('cook', function() {
+      ++calledPost;
+    });
+
+    var wrapper = hooks.createWrapperSync('cook', function() { ++calledFn; });
+
+    wrapper();
+
+    assert.equal(calledPre, 1);
+    assert.equal(calledFn, 1);
+    assert.equal(calledPost, 1);
+  });
+
+  it('sync wrappers with overwriteResult', function() {
+    hooks.pre('cook', function() {
+    });
+
+    hooks.post('cook', function() {
+      return Kareem.overwriteResult(5);
+    });
+
+    const wrapper = hooks.createWrapperSync('cook', function() { return 4; });
+
+    assert.strictEqual(wrapper(), 5);
+  });
+});
diff --git a/node_modules/keygrip/HISTORY.md b/node_modules/keygrip/HISTORY.md
new file mode 100644
index 000000000..0f4cc31a4
--- /dev/null
+++ b/node_modules/keygrip/HISTORY.md
@@ -0,0 +1,25 @@
+1.1.0 / 2019-05-07
+==================
+
+  * Use `tsscmp` module for timing-safe signature verification
+
+1.0.3 / 2018-09-12
+==================
+
+  * perf: enable strict mode
+
+1.0.2 / 2017-08-26
+==================
+
+  * perf: improve comparison speed
+
+1.0.1 / 2014-05-07
+==================
+
+  * Readme changes
+  * Update repository for organization move
+
+1.0.0 / 2013-12-21
+==================
+
+  * Remove default key generation and associated expectations
diff --git a/node_modules/keygrip/LICENSE b/node_modules/keygrip/LICENSE
new file mode 100644
index 000000000..38b64a175
--- /dev/null
+++ b/node_modules/keygrip/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2011-2014 Jed Schmidt <where@jed.is> (http://jedschmidt.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/keygrip/README.md b/node_modules/keygrip/README.md
new file mode 100644
index 000000000..925ecef41
--- /dev/null
+++ b/node_modules/keygrip/README.md
@@ -0,0 +1,103 @@
+# keygrip
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Keygrip is a [node.js](http://nodejs.org/) module for signing and verifying data (such as cookies or URLs) through a rotating credential system, in which new server keys can be added and old ones removed regularly, without invalidating client credentials.
+
+## Install
+
+    $ npm install keygrip
+
+## API
+
+### keys = new Keygrip([keylist], [hmacAlgorithm], [encoding])
+
+This creates a new Keygrip based on the provided keylist, an array of secret keys used for SHA1 HMAC digests. `keylist` is obligatory. `hmacAlgorithm` defaults to `'sha1'` and `encoding` defaults to `'base64'`.
+
+Note that the `new` operator is also optional, so all of the following will work when `Keygrip = require("keygrip")`:
+
+```javascript
+keys = new Keygrip(["SEKRIT2", "SEKRIT1"])
+keys = Keygrip(["SEKRIT2", "SEKRIT1"])
+keys = require("keygrip")()
+keys = Keygrip(["SEKRIT2", "SEKRIT1"], 'sha256', 'hex')
+keys = Keygrip(["SEKRIT2", "SEKRIT1"], 'sha256')
+keys = Keygrip(["SEKRIT2", "SEKRIT1"], undefined, 'hex')
+```
+
+The keylist is an array of all valid keys for signing, in descending order of freshness; new keys should be `unshift`ed into the array and old keys should be `pop`ped.
+
+The tradeoff here is that adding more keys to the keylist allows for more granular freshness for key validation, at the cost of a more expensive worst-case scenario for old or invalid hashes.
+
+Keygrip keeps a reference to this array to automatically reflect any changes. This reference is stored using a closure to prevent external access.
+
+### keys.sign(data)
+
+This creates a SHA1 HMAC based on the _first_ key in the keylist, and outputs it as a 27-byte url-safe base64 digest (base64 without padding, replacing `+` with `-` and `/` with `_`).
+
+### keys.index(data, digest)
+
+This loops through all of the keys currently in the keylist until the digest of the current key matches the given digest, at which point the current index is returned. If no key is matched, `-1` is returned.
+
+The idea is that if the index returned is greater than `0`, the data should be re-signed to prevent premature credential invalidation, and enable better performance for subsequent challenges.
+
+### keys.verify(data, digest)
+
+This uses `index` to return `true` if the digest matches any existing keys, and `false` otherwise.
+
+## Example
+
+```javascript
+// ./test.js
+var assert = require("assert")
+  , Keygrip = require("keygrip")
+  , keylist, keys, hash, index
+
+// but we're going to use our list.
+// (note that the 'new' operator is optional)
+keylist = ["SEKRIT3", "SEKRIT2", "SEKRIT1"]
+keys = Keygrip(keylist)
+// .sign returns the hash for the first key
+// all hashes are SHA1 HMACs in url-safe base64
+hash = keys.sign("bieberschnitzel")
+assert.ok(/^[\w\-]{27}$/.test(hash))
+
+// .index returns the index of the first matching key
+index = keys.index("bieberschnitzel", hash)
+assert.equal(index, 0)
+
+// .verify returns the a boolean indicating a matched key
+matched = keys.verify("bieberschnitzel", hash)
+assert.ok(matched)
+
+index = keys.index("bieberschnitzel", "o_O")
+assert.equal(index, -1)
+
+// rotate a new key in, and an old key out
+keylist.unshift("SEKRIT4")
+keylist.pop()
+
+// if index > 0, it's time to re-sign
+index = keys.index("bieberschnitzel", hash)
+assert.equal(index, 1)
+hash = keys.sign("bieberschnitzel")
+```
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/keygrip.svg
+[npm-url]: https://npmjs.org/package/keygrip
+[travis-image]: https://img.shields.io/travis/crypto-utils/keygrip/master.svg
+[travis-url]: https://travis-ci.org/crypto-utils/keygrip
+[coveralls-image]: https://img.shields.io/coveralls/crypto-utils/keygrip/master.svg
+[coveralls-url]: https://coveralls.io/r/crypto-utils/keygrip
+[downloads-image]: https://img.shields.io/npm/dm/keygrip.svg
+[downloads-url]: https://npmjs.org/package/keygrip
+[node-version-image]: https://img.shields.io/node/v/keygrip.svg
+[node-version-url]: https://nodejs.org/en/download/
diff --git a/node_modules/keygrip/index.js b/node_modules/keygrip/index.js
new file mode 100644
index 000000000..dbdb1e74e
--- /dev/null
+++ b/node_modules/keygrip/index.js
@@ -0,0 +1,51 @@
+/*!
+ * keygrip
+ * Copyright(c) 2011-2014 Jed Schmidt
+ * MIT Licensed
+ */
+
+'use strict'
+
+var compare = require('tsscmp')
+var crypto = require("crypto")
+  
+function Keygrip(keys, algorithm, encoding) {
+  if (!algorithm) algorithm = "sha1";
+  if (!encoding) encoding = "base64";
+  if (!(this instanceof Keygrip)) return new Keygrip(keys, algorithm, encoding)
+
+  if (!keys || !(0 in keys)) {
+    throw new Error("Keys must be provided.")
+  }
+
+  function sign(data, key) {
+    return crypto
+      .createHmac(algorithm, key)
+      .update(data).digest(encoding)
+      .replace(/\/|\+|=/g, function(x) {
+        return ({ "/": "_", "+": "-", "=": "" })[x]
+      })
+  }
+
+  this.sign = function(data){ return sign(data, keys[0]) }
+
+  this.verify = function(data, digest) {
+    return this.index(data, digest) > -1
+  }
+
+  this.index = function(data, digest) {
+    for (var i = 0, l = keys.length; i < l; i++) {
+      if (compare(digest, sign(data, keys[i]))) {
+        return i
+      }
+    }
+
+    return -1
+  }
+}
+
+Keygrip.sign = Keygrip.verify = Keygrip.index = function() {
+  throw new Error("Usage: require('keygrip')(<array-of-keys>)")
+}
+
+module.exports = Keygrip
diff --git a/node_modules/keygrip/package.json b/node_modules/keygrip/package.json
new file mode 100644
index 000000000..0b33c459c
--- /dev/null
+++ b/node_modules/keygrip/package.json
@@ -0,0 +1,28 @@
+{
+  "name": "keygrip",
+  "version": "1.1.0",
+  "description": "Key signing and verification for rotated credentials",
+  "license": "MIT",
+  "repository": "crypto-utils/keygrip",
+  "dependencies": {
+    "tsscmp": "1.0.6"
+  },
+  "devDependencies": {
+    "mocha": "6.1.4",
+    "nyc": "14.0.0"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "test": "mocha --reporter spec test/",
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "test-travis": "nyc --reporter=text npm test"
+  }
+}
diff --git a/node_modules/media-typer/HISTORY.md b/node_modules/media-typer/HISTORY.md
new file mode 100644
index 000000000..62c200316
--- /dev/null
+++ b/node_modules/media-typer/HISTORY.md
@@ -0,0 +1,22 @@
+0.3.0 / 2014-09-07
+==================
+
+  * Support Node.js 0.6
+  * Throw error when parameter format invalid on parse
+
+0.2.0 / 2014-06-18
+==================
+
+  * Add `typer.format()` to format media types
+
+0.1.0 / 2014-06-17
+==================
+
+  * Accept `req` as argument to `parse`
+  * Accept `res` as argument to `parse`
+  * Parse media type with extra LWS between type and first parameter
+
+0.0.0 / 2014-06-13
+==================
+
+  * Initial implementation
diff --git a/node_modules/media-typer/LICENSE b/node_modules/media-typer/LICENSE
new file mode 100644
index 000000000..b7dce6cf9
--- /dev/null
+++ b/node_modules/media-typer/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2014 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/media-typer/README.md b/node_modules/media-typer/README.md
new file mode 100644
index 000000000..d8df62347
--- /dev/null
+++ b/node_modules/media-typer/README.md
@@ -0,0 +1,81 @@
+# media-typer
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Simple RFC 6838 media type parser
+
+## Installation
+
+```sh
+$ npm install media-typer
+```
+
+## API
+
+```js
+var typer = require('media-typer')
+```
+
+### typer.parse(string)
+
+```js
+var obj = typer.parse('image/svg+xml; charset=utf-8')
+```
+
+Parse a media type string. This will return an object with the following
+properties (examples are shown for the string `'image/svg+xml; charset=utf-8'`):
+
+ - `type`: The type of the media type (always lower case). Example: `'image'`
+
+ - `subtype`: The subtype of the media type (always lower case). Example: `'svg'`
+
+ - `suffix`: The suffix of the media type (always lower case). Example: `'xml'`
+
+ - `parameters`: An object of the parameters in the media type (name of parameter always lower case). Example: `{charset: 'utf-8'}`
+
+### typer.parse(req)
+
+```js
+var obj = typer.parse(req)
+```
+
+Parse the `content-type` header from the given `req`. Short-cut for
+`typer.parse(req.headers['content-type'])`.
+
+### typer.parse(res)
+
+```js
+var obj = typer.parse(res)
+```
+
+Parse the `content-type` header set on the given `res`. Short-cut for
+`typer.parse(res.getHeader('content-type'))`.
+
+### typer.format(obj)
+
+```js
+var obj = typer.format({type: 'image', subtype: 'svg', suffix: 'xml'})
+```
+
+Format an object into a media type string. This will return a string of the
+mime type for the given object. For the properties of the object, see the
+documentation for `typer.parse(string)`.
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/media-typer.svg?style=flat
+[npm-url]: https://npmjs.org/package/media-typer
+[node-version-image]: https://img.shields.io/badge/node.js-%3E%3D_0.6-brightgreen.svg?style=flat
+[node-version-url]: http://nodejs.org/download/
+[travis-image]: https://img.shields.io/travis/jshttp/media-typer.svg?style=flat
+[travis-url]: https://travis-ci.org/jshttp/media-typer
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/media-typer.svg?style=flat
+[coveralls-url]: https://coveralls.io/r/jshttp/media-typer
+[downloads-image]: https://img.shields.io/npm/dm/media-typer.svg?style=flat
+[downloads-url]: https://npmjs.org/package/media-typer
diff --git a/node_modules/media-typer/index.js b/node_modules/media-typer/index.js
new file mode 100644
index 000000000..07f7295ee
--- /dev/null
+++ b/node_modules/media-typer/index.js
@@ -0,0 +1,270 @@
+/*!
+ * media-typer
+ * Copyright(c) 2014 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/**
+ * RegExp to match *( ";" parameter ) in RFC 2616 sec 3.7
+ *
+ * parameter     = token "=" ( token | quoted-string )
+ * token         = 1*<any CHAR except CTLs or separators>
+ * separators    = "(" | ")" | "<" | ">" | "@"
+ *               | "," | ";" | ":" | "\" | <">
+ *               | "/" | "[" | "]" | "?" | "="
+ *               | "{" | "}" | SP | HT
+ * quoted-string = ( <"> *(qdtext | quoted-pair ) <"> )
+ * qdtext        = <any TEXT except <">>
+ * quoted-pair   = "\" CHAR
+ * CHAR          = <any US-ASCII character (octets 0 - 127)>
+ * TEXT          = <any OCTET except CTLs, but including LWS>
+ * LWS           = [CRLF] 1*( SP | HT )
+ * CRLF          = CR LF
+ * CR            = <US-ASCII CR, carriage return (13)>
+ * LF            = <US-ASCII LF, linefeed (10)>
+ * SP            = <US-ASCII SP, space (32)>
+ * SHT           = <US-ASCII HT, horizontal-tab (9)>
+ * CTL           = <any US-ASCII control character (octets 0 - 31) and DEL (127)>
+ * OCTET         = <any 8-bit sequence of data>
+ */
+var paramRegExp = /; *([!#$%&'\*\+\-\.0-9A-Z\^_`a-z\|~]+) *= *("(?:[ !\u0023-\u005b\u005d-\u007e\u0080-\u00ff]|\\[\u0020-\u007e])*"|[!#$%&'\*\+\-\.0-9A-Z\^_`a-z\|~]+) */g;
+var textRegExp = /^[\u0020-\u007e\u0080-\u00ff]+$/
+var tokenRegExp = /^[!#$%&'\*\+\-\.0-9A-Z\^_`a-z\|~]+$/
+
+/**
+ * RegExp to match quoted-pair in RFC 2616
+ *
+ * quoted-pair = "\" CHAR
+ * CHAR        = <any US-ASCII character (octets 0 - 127)>
+ */
+var qescRegExp = /\\([\u0000-\u007f])/g;
+
+/**
+ * RegExp to match chars that must be quoted-pair in RFC 2616
+ */
+var quoteRegExp = /([\\"])/g;
+
+/**
+ * RegExp to match type in RFC 6838
+ *
+ * type-name = restricted-name
+ * subtype-name = restricted-name
+ * restricted-name = restricted-name-first *126restricted-name-chars
+ * restricted-name-first  = ALPHA / DIGIT
+ * restricted-name-chars  = ALPHA / DIGIT / "!" / "#" /
+ *                          "$" / "&" / "-" / "^" / "_"
+ * restricted-name-chars =/ "." ; Characters before first dot always
+ *                              ; specify a facet name
+ * restricted-name-chars =/ "+" ; Characters after last plus always
+ *                              ; specify a structured syntax suffix
+ * ALPHA =  %x41-5A / %x61-7A   ; A-Z / a-z
+ * DIGIT =  %x30-39             ; 0-9
+ */
+var subtypeNameRegExp = /^[A-Za-z0-9][A-Za-z0-9!#$&^_.-]{0,126}$/
+var typeNameRegExp = /^[A-Za-z0-9][A-Za-z0-9!#$&^_-]{0,126}$/
+var typeRegExp = /^ *([A-Za-z0-9][A-Za-z0-9!#$&^_-]{0,126})\/([A-Za-z0-9][A-Za-z0-9!#$&^_.+-]{0,126}) *$/;
+
+/**
+ * Module exports.
+ */
+
+exports.format = format
+exports.parse = parse
+
+/**
+ * Format object to media type.
+ *
+ * @param {object} obj
+ * @return {string}
+ * @api public
+ */
+
+function format(obj) {
+  if (!obj || typeof obj !== 'object') {
+    throw new TypeError('argument obj is required')
+  }
+
+  var parameters = obj.parameters
+  var subtype = obj.subtype
+  var suffix = obj.suffix
+  var type = obj.type
+
+  if (!type || !typeNameRegExp.test(type)) {
+    throw new TypeError('invalid type')
+  }
+
+  if (!subtype || !subtypeNameRegExp.test(subtype)) {
+    throw new TypeError('invalid subtype')
+  }
+
+  // format as type/subtype
+  var string = type + '/' + subtype
+
+  // append +suffix
+  if (suffix) {
+    if (!typeNameRegExp.test(suffix)) {
+      throw new TypeError('invalid suffix')
+    }
+
+    string += '+' + suffix
+  }
+
+  // append parameters
+  if (parameters && typeof parameters === 'object') {
+    var param
+    var params = Object.keys(parameters).sort()
+
+    for (var i = 0; i < params.length; i++) {
+      param = params[i]
+
+      if (!tokenRegExp.test(param)) {
+        throw new TypeError('invalid parameter name')
+      }
+
+      string += '; ' + param + '=' + qstring(parameters[param])
+    }
+  }
+
+  return string
+}
+
+/**
+ * Parse media type to object.
+ *
+ * @param {string|object} string
+ * @return {Object}
+ * @api public
+ */
+
+function parse(string) {
+  if (!string) {
+    throw new TypeError('argument string is required')
+  }
+
+  // support req/res-like objects as argument
+  if (typeof string === 'object') {
+    string = getcontenttype(string)
+  }
+
+  if (typeof string !== 'string') {
+    throw new TypeError('argument string is required to be a string')
+  }
+
+  var index = string.indexOf(';')
+  var type = index !== -1
+    ? string.substr(0, index)
+    : string
+
+  var key
+  var match
+  var obj = splitType(type)
+  var params = {}
+  var value
+
+  paramRegExp.lastIndex = index
+
+  while (match = paramRegExp.exec(string)) {
+    if (match.index !== index) {
+      throw new TypeError('invalid parameter format')
+    }
+
+    index += match[0].length
+    key = match[1].toLowerCase()
+    value = match[2]
+
+    if (value[0] === '"') {
+      // remove quotes and escapes
+      value = value
+        .substr(1, value.length - 2)
+        .replace(qescRegExp, '$1')
+    }
+
+    params[key] = value
+  }
+
+  if (index !== -1 && index !== string.length) {
+    throw new TypeError('invalid parameter format')
+  }
+
+  obj.parameters = params
+
+  return obj
+}
+
+/**
+ * Get content-type from req/res objects.
+ *
+ * @param {object}
+ * @return {Object}
+ * @api private
+ */
+
+function getcontenttype(obj) {
+  if (typeof obj.getHeader === 'function') {
+    // res-like
+    return obj.getHeader('content-type')
+  }
+
+  if (typeof obj.headers === 'object') {
+    // req-like
+    return obj.headers && obj.headers['content-type']
+  }
+}
+
+/**
+ * Quote a string if necessary.
+ *
+ * @param {string} val
+ * @return {string}
+ * @api private
+ */
+
+function qstring(val) {
+  var str = String(val)
+
+  // no need to quote tokens
+  if (tokenRegExp.test(str)) {
+    return str
+  }
+
+  if (str.length > 0 && !textRegExp.test(str)) {
+    throw new TypeError('invalid parameter value')
+  }
+
+  return '"' + str.replace(quoteRegExp, '\\$1') + '"'
+}
+
+/**
+ * Simply "type/subtype+siffx" into parts.
+ *
+ * @param {string} string
+ * @return {Object}
+ * @api private
+ */
+
+function splitType(string) {
+  var match = typeRegExp.exec(string.toLowerCase())
+
+  if (!match) {
+    throw new TypeError('invalid media type')
+  }
+
+  var type = match[1]
+  var subtype = match[2]
+  var suffix
+
+  // suffix after last +
+  var index = subtype.lastIndexOf('+')
+  if (index !== -1) {
+    suffix = subtype.substr(index + 1)
+    subtype = subtype.substr(0, index)
+  }
+
+  var obj = {
+    type: type,
+    subtype: subtype,
+    suffix: suffix
+  }
+
+  return obj
+}
diff --git a/node_modules/media-typer/package.json b/node_modules/media-typer/package.json
new file mode 100644
index 000000000..8cf3ebcd7
--- /dev/null
+++ b/node_modules/media-typer/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "media-typer",
+  "description": "Simple RFC 6838 media type parser and formatter",
+  "version": "0.3.0",
+  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
+  "license": "MIT",
+  "repository": "jshttp/media-typer",
+  "devDependencies": {
+    "istanbul": "0.3.2",
+    "mocha": "~1.21.4",
+    "should": "~4.0.4"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "test": "mocha --reporter spec --check-leaks --bail test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/"
+  }
+}
diff --git a/node_modules/memory-pager/.travis.yml b/node_modules/memory-pager/.travis.yml
new file mode 100644
index 000000000..1c4ab31e9
--- /dev/null
+++ b/node_modules/memory-pager/.travis.yml
@@ -0,0 +1,4 @@
+language: node_js
+node_js:
+  - '4'
+  - '6'
diff --git a/node_modules/memory-pager/LICENSE b/node_modules/memory-pager/LICENSE
new file mode 100644
index 000000000..56fce0895
--- /dev/null
+++ b/node_modules/memory-pager/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2017 Mathias Buus
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/memory-pager/README.md b/node_modules/memory-pager/README.md
new file mode 100644
index 000000000..aed176140
--- /dev/null
+++ b/node_modules/memory-pager/README.md
@@ -0,0 +1,65 @@
+# memory-pager
+
+Access memory using small fixed sized buffers instead of allocating a huge buffer.
+Useful if you are implementing sparse data structures (such as large bitfield).
+
+![travis](https://travis-ci.org/mafintosh/memory-pager.svg?branch=master)
+
+```
+npm install memory-pager
+```
+
+## Usage
+
+``` js
+var pager = require('paged-memory')
+
+var pages = pager(1024) // use 1kb per page
+
+var page = pages.get(10) // get page #10
+
+console.log(page.offset) // 10240
+console.log(page.buffer) // a blank 1kb buffer
+```
+
+## API
+
+#### `var pages = pager(pageSize)`
+
+Create a new pager. `pageSize` defaults to `1024`.
+
+#### `var page = pages.get(pageNumber, [noAllocate])`
+
+Get a page. The page will be allocated at first access.
+
+Optionally you can set the `noAllocate` flag which will make the
+method return undefined if no page has been allocated already
+
+A page looks like this
+
+``` js
+{
+  offset: byteOffset,
+  buffer: bufferWithPageSize
+}
+```
+
+#### `pages.set(pageNumber, buffer)`
+
+Explicitly set the buffer for a page.
+
+#### `pages.updated(page)`
+
+Mark a page as updated.
+
+#### `pages.lastUpdate()`
+
+Get the last page that was updated.
+
+#### `var buf = pages.toBuffer()`
+
+Concat all pages allocated pages into a single buffer
+
+## License
+
+MIT
diff --git a/node_modules/memory-pager/index.js b/node_modules/memory-pager/index.js
new file mode 100644
index 000000000..687f346f3
--- /dev/null
+++ b/node_modules/memory-pager/index.js
@@ -0,0 +1,160 @@
+module.exports = Pager
+
+function Pager (pageSize, opts) {
+  if (!(this instanceof Pager)) return new Pager(pageSize, opts)
+
+  this.length = 0
+  this.updates = []
+  this.path = new Uint16Array(4)
+  this.pages = new Array(32768)
+  this.maxPages = this.pages.length
+  this.level = 0
+  this.pageSize = pageSize || 1024
+  this.deduplicate = opts ? opts.deduplicate : null
+  this.zeros = this.deduplicate ? alloc(this.deduplicate.length) : null
+}
+
+Pager.prototype.updated = function (page) {
+  while (this.deduplicate && page.buffer[page.deduplicate] === this.deduplicate[page.deduplicate]) {
+    page.deduplicate++
+    if (page.deduplicate === this.deduplicate.length) {
+      page.deduplicate = 0
+      if (page.buffer.equals && page.buffer.equals(this.deduplicate)) page.buffer = this.deduplicate
+      break
+    }
+  }
+  if (page.updated || !this.updates) return
+  page.updated = true
+  this.updates.push(page)
+}
+
+Pager.prototype.lastUpdate = function () {
+  if (!this.updates || !this.updates.length) return null
+  var page = this.updates.pop()
+  page.updated = false
+  return page
+}
+
+Pager.prototype._array = function (i, noAllocate) {
+  if (i >= this.maxPages) {
+    if (noAllocate) return
+    grow(this, i)
+  }
+
+  factor(i, this.path)
+
+  var arr = this.pages
+
+  for (var j = this.level; j > 0; j--) {
+    var p = this.path[j]
+    var next = arr[p]
+
+    if (!next) {
+      if (noAllocate) return
+      next = arr[p] = new Array(32768)
+    }
+
+    arr = next
+  }
+
+  return arr
+}
+
+Pager.prototype.get = function (i, noAllocate) {
+  var arr = this._array(i, noAllocate)
+  var first = this.path[0]
+  var page = arr && arr[first]
+
+  if (!page && !noAllocate) {
+    page = arr[first] = new Page(i, alloc(this.pageSize))
+    if (i >= this.length) this.length = i + 1
+  }
+
+  if (page && page.buffer === this.deduplicate && this.deduplicate && !noAllocate) {
+    page.buffer = copy(page.buffer)
+    page.deduplicate = 0
+  }
+
+  return page
+}
+
+Pager.prototype.set = function (i, buf) {
+  var arr = this._array(i, false)
+  var first = this.path[0]
+
+  if (i >= this.length) this.length = i + 1
+
+  if (!buf || (this.zeros && buf.equals && buf.equals(this.zeros))) {
+    arr[first] = undefined
+    return
+  }
+
+  if (this.deduplicate && buf.equals && buf.equals(this.deduplicate)) {
+    buf = this.deduplicate
+  }
+
+  var page = arr[first]
+  var b = truncate(buf, this.pageSize)
+
+  if (page) page.buffer = b
+  else arr[first] = new Page(i, b)
+}
+
+Pager.prototype.toBuffer = function () {
+  var list = new Array(this.length)
+  var empty = alloc(this.pageSize)
+  var ptr = 0
+
+  while (ptr < list.length) {
+    var arr = this._array(ptr, true)
+    for (var i = 0; i < 32768 && ptr < list.length; i++) {
+      list[ptr++] = (arr && arr[i]) ? arr[i].buffer : empty
+    }
+  }
+
+  return Buffer.concat(list)
+}
+
+function grow (pager, index) {
+  while (pager.maxPages < index) {
+    var old = pager.pages
+    pager.pages = new Array(32768)
+    pager.pages[0] = old
+    pager.level++
+    pager.maxPages *= 32768
+  }
+}
+
+function truncate (buf, len) {
+  if (buf.length === len) return buf
+  if (buf.length > len) return buf.slice(0, len)
+  var cpy = alloc(len)
+  buf.copy(cpy)
+  return cpy
+}
+
+function alloc (size) {
+  if (Buffer.alloc) return Buffer.alloc(size)
+  var buf = new Buffer(size)
+  buf.fill(0)
+  return buf
+}
+
+function copy (buf) {
+  var cpy = Buffer.allocUnsafe ? Buffer.allocUnsafe(buf.length) : new Buffer(buf.length)
+  buf.copy(cpy)
+  return cpy
+}
+
+function Page (i, buf) {
+  this.offset = i * buf.length
+  this.buffer = buf
+  this.updated = false
+  this.deduplicate = 0
+}
+
+function factor (n, out) {
+  n = (n - (out[0] = (n & 32767))) / 32768
+  n = (n - (out[1] = (n & 32767))) / 32768
+  out[3] = ((n - (out[2] = (n & 32767))) / 32768) & 32767
+}
diff --git a/node_modules/memory-pager/package.json b/node_modules/memory-pager/package.json
new file mode 100644
index 000000000..f4847e8cd
--- /dev/null
+++ b/node_modules/memory-pager/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "memory-pager",
+  "version": "1.5.0",
+  "description": "Access memory using small fixed sized buffers",
+  "main": "index.js",
+  "dependencies": {},
+  "devDependencies": {
+    "standard": "^9.0.0",
+    "tape": "^4.6.3"
+  },
+  "scripts": {
+    "test": "standard && tape test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mafintosh/memory-pager.git"
+  },
+  "author": "Mathias Buus (@mafintosh)",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/mafintosh/memory-pager/issues"
+  },
+  "homepage": "https://github.com/mafintosh/memory-pager"
+}
diff --git a/node_modules/memory-pager/test.js b/node_modules/memory-pager/test.js
new file mode 100644
index 000000000..163821003
--- /dev/null
+++ b/node_modules/memory-pager/test.js
@@ -0,0 +1,80 @@
+var tape = require('tape')
+var pager = require('./')
+
+tape('get page', function (t) {
+  var pages = pager(1024)
+
+  var page = pages.get(0)
+
+  t.same(page.offset, 0)
+  t.same(page.buffer, Buffer.alloc(1024))
+  t.end()
+})
+
+tape('get page twice', function (t) {
+  var pages = pager(1024)
+  t.same(pages.length, 0)
+
+  var page = pages.get(0)
+
+  t.same(page.offset, 0)
+  t.same(page.buffer, Buffer.alloc(1024))
+  t.same(pages.length, 1)
+
+  var other = pages.get(0)
+
+  t.same(other, page)
+  t.end()
+})
+
+tape('get no mutable page', function (t) {
+  var pages = pager(1024)
+
+  t.ok(!pages.get(141, true))
+  t.ok(pages.get(141))
+  t.ok(pages.get(141, true))
+
+  t.end()
+})
+
+tape('get far out page', function (t) {
+  var pages = pager(1024)
+
+  var page = pages.get(1000000)
+
+  t.same(page.offset, 1000000 * 1024)
+  t.same(page.buffer, Buffer.alloc(1024))
+  t.same(pages.length, 1000000 + 1)
+
+  var other = pages.get(1)
+
+  t.same(other.offset, 1024)
+  t.same(other.buffer, Buffer.alloc(1024))
+  t.same(pages.length, 1000000 + 1)
+  t.ok(other !== page)
+
+  t.end()
+})
+
+tape('updates', function (t) {
+  var pages = pager(1024)
+
+  t.same(pages.lastUpdate(), null)
+
+  var page = pages.get(10)
+
+  page.buffer[42] = 1
+  pages.updated(page)
+
+  t.same(pages.lastUpdate(), page)
+  t.same(pages.lastUpdate(), null)
+
+  page.buffer[42] = 2
+  pages.updated(page)
+  pages.updated(page)
+
+  t.same(pages.lastUpdate(), page)
+  t.same(pages.lastUpdate(), null)
+
+  t.end()
+})
diff --git a/node_modules/merge-descriptors/HISTORY.md b/node_modules/merge-descriptors/HISTORY.md
new file mode 100644
index 000000000..486771f08
--- /dev/null
+++ b/node_modules/merge-descriptors/HISTORY.md
@@ -0,0 +1,21 @@
+1.0.1 / 2016-01-17
+==================
+
+  * perf: enable strict mode
+
+1.0.0 / 2015-03-01
+==================
+
+  * Add option to only add new descriptors
+  * Add simple argument validation
+  * Add jsdoc to source file
+
+0.0.2 / 2013-12-14
+==================
+
+  * Move repository to `component` organization
+
+0.0.1 / 2013-10-29
+==================
+
+  * Initial release
diff --git a/node_modules/merge-descriptors/LICENSE b/node_modules/merge-descriptors/LICENSE
new file mode 100644
index 000000000..274bfd82b
--- /dev/null
+++ b/node_modules/merge-descriptors/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2013 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/merge-descriptors/README.md b/node_modules/merge-descriptors/README.md
new file mode 100644
index 000000000..d593c0ebd
--- /dev/null
+++ b/node_modules/merge-descriptors/README.md
@@ -0,0 +1,48 @@
+# Merge Descriptors
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Merge objects using descriptors.
+
+```js
+var thing = {
+  get name() {
+    return 'jon'
+  }
+}
+
+var animal = {
+
+}
+
+merge(animal, thing)
+
+animal.name === 'jon'
+```
+
+## API
+
+### merge(destination, source)
+
+Redefines `destination`'s descriptors with `source`'s.
+
+### merge(destination, source, false)
+
+Defines `source`'s descriptors on `destination` if `destination` does not have
+a descriptor by the same name.
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/merge-descriptors.svg
+[npm-url]: https://npmjs.org/package/merge-descriptors
+[travis-image]: https://img.shields.io/travis/component/merge-descriptors/master.svg
+[travis-url]: https://travis-ci.org/component/merge-descriptors
+[coveralls-image]: https://img.shields.io/coveralls/component/merge-descriptors/master.svg
+[coveralls-url]: https://coveralls.io/r/component/merge-descriptors?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/merge-descriptors.svg
+[downloads-url]: https://npmjs.org/package/merge-descriptors
diff --git a/node_modules/merge-descriptors/index.js b/node_modules/merge-descriptors/index.js
new file mode 100644
index 000000000..573b132eb
--- /dev/null
+++ b/node_modules/merge-descriptors/index.js
@@ -0,0 +1,60 @@
+/*!
+ * merge-descriptors
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = merge
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var hasOwnProperty = Object.prototype.hasOwnProperty
+
+/**
+ * Merge the property descriptors of `src` into `dest`
+ *
+ * @param {object} dest Object to add descriptors to
+ * @param {object} src Object to clone descriptors from
+ * @param {boolean} [redefine=true] Redefine `dest` properties with `src` properties
+ * @returns {object} Reference to dest
+ * @public
+ */
+
+function merge(dest, src, redefine) {
+  if (!dest) {
+    throw new TypeError('argument dest is required')
+  }
+
+  if (!src) {
+    throw new TypeError('argument src is required')
+  }
+
+  if (redefine === undefined) {
+    // Default to true
+    redefine = true
+  }
+
+  Object.getOwnPropertyNames(src).forEach(function forEachOwnPropertyName(name) {
+    if (!redefine && hasOwnProperty.call(dest, name)) {
+      // Skip desriptor
+      return
+    }
+
+    // Copy descriptor
+    var descriptor = Object.getOwnPropertyDescriptor(src, name)
+    Object.defineProperty(dest, name, descriptor)
+  })
+
+  return dest
+}
diff --git a/node_modules/merge-descriptors/package.json b/node_modules/merge-descriptors/package.json
new file mode 100644
index 000000000..514cdbd81
--- /dev/null
+++ b/node_modules/merge-descriptors/package.json
@@ -0,0 +1,32 @@
+{
+  "name": "merge-descriptors",
+  "description": "Merge objects using descriptors",
+  "version": "1.0.1",
+  "author": {
+    "name": "Jonathan Ong",
+    "email": "me@jongleberry.com",
+    "url": "http://jongleberry.com",
+    "twitter": "https://twitter.com/jongleberry"
+  },
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Mike Grabowski <grabbou@gmail.com>"
+  ],
+  "license": "MIT",
+  "repository": "component/merge-descriptors",
+  "devDependencies": {
+    "istanbul": "0.4.1",
+    "mocha": "1.21.5"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "README.md",
+    "index.js"
+  ],
+  "scripts": {
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-ci": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/"
+  }
+}
diff --git a/node_modules/methods/HISTORY.md b/node_modules/methods/HISTORY.md
new file mode 100644
index 000000000..c0ecf072d
--- /dev/null
+++ b/node_modules/methods/HISTORY.md
@@ -0,0 +1,29 @@
+1.1.2 / 2016-01-17
+==================
+
+  * perf: enable strict mode
+
+1.1.1 / 2014-12-30
+==================
+
+  * Improve `browserify` support
+
+1.1.0 / 2014-07-05
+==================
+
+  * Add `CONNECT` method
+ 
+1.0.1 / 2014-06-02
+==================
+
+  * Fix module to work with harmony transform
+
+1.0.0 / 2014-05-08
+==================
+
+  * Add `PURGE` method
+
+0.1.0 / 2013-10-28
+==================
+
+  * Add `http.METHODS` support
diff --git a/node_modules/methods/LICENSE b/node_modules/methods/LICENSE
new file mode 100644
index 000000000..220dc1a24
--- /dev/null
+++ b/node_modules/methods/LICENSE
@@ -0,0 +1,24 @@
+(The MIT License)
+
+Copyright (c) 2013-2014 TJ Holowaychuk <tj@vision-media.ca>
+Copyright (c) 2015-2016 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/node_modules/methods/README.md b/node_modules/methods/README.md
new file mode 100644
index 000000000..672a32bfe
--- /dev/null
+++ b/node_modules/methods/README.md
@@ -0,0 +1,51 @@
+# Methods
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+HTTP verbs that Node.js core's HTTP parser supports.
+
+This module provides an export that is just like `http.METHODS` from Node.js core,
+with the following differences:
+
+  * All method names are lower-cased.
+  * Contains a fallback list of methods for Node.js versions that do not have a
+    `http.METHODS` export (0.10 and lower).
+  * Provides the fallback list when using tools like `browserify` without pulling
+    in the `http` shim module.
+
+## Install
+
+```bash
+$ npm install methods
+```
+
+## API
+
+```js
+var methods = require('methods')
+```
+
+### methods
+
+This is an array of lower-cased method names that Node.js supports. If Node.js
+provides the `http.METHODS` export, then this is the same array lower-cased,
+otherwise it is a snapshot of the verbs from Node.js 0.10.
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/methods.svg?style=flat
+[npm-url]: https://npmjs.org/package/methods
+[node-version-image]: https://img.shields.io/node/v/methods.svg?style=flat
+[node-version-url]: https://nodejs.org/en/download/
+[travis-image]: https://img.shields.io/travis/jshttp/methods.svg?style=flat
+[travis-url]: https://travis-ci.org/jshttp/methods
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/methods.svg?style=flat
+[coveralls-url]: https://coveralls.io/r/jshttp/methods?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/methods.svg?style=flat
+[downloads-url]: https://npmjs.org/package/methods
diff --git a/node_modules/methods/index.js b/node_modules/methods/index.js
new file mode 100644
index 000000000..667a50bde
--- /dev/null
+++ b/node_modules/methods/index.js
@@ -0,0 +1,69 @@
+/*!
+ * methods
+ * Copyright(c) 2013-2014 TJ Holowaychuk
+ * Copyright(c) 2015-2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var http = require('http');
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = getCurrentNodeMethods() || getBasicNodeMethods();
+
+/**
+ * Get the current Node.js methods.
+ * @private
+ */
+
+function getCurrentNodeMethods() {
+  return http.METHODS && http.METHODS.map(function lowerCaseMethod(method) {
+    return method.toLowerCase();
+  });
+}
+
+/**
+ * Get the "basic" Node.js methods, a snapshot from Node.js 0.10.
+ * @private
+ */
+
+function getBasicNodeMethods() {
+  return [
+    'get',
+    'post',
+    'put',
+    'head',
+    'delete',
+    'options',
+    'trace',
+    'copy',
+    'lock',
+    'mkcol',
+    'move',
+    'purge',
+    'propfind',
+    'proppatch',
+    'unlock',
+    'report',
+    'mkactivity',
+    'checkout',
+    'merge',
+    'm-search',
+    'notify',
+    'subscribe',
+    'unsubscribe',
+    'patch',
+    'search',
+    'connect'
+  ];
+}
diff --git a/node_modules/methods/package.json b/node_modules/methods/package.json
new file mode 100644
index 000000000..c4ce6f053
--- /dev/null
+++ b/node_modules/methods/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "methods",
+  "description": "HTTP methods that node supports",
+  "version": "1.1.2",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)",
+    "TJ Holowaychuk <tj@vision-media.ca> (http://tjholowaychuk.com)"
+  ],
+  "license": "MIT",
+  "repository": "jshttp/methods",
+  "devDependencies": {
+    "istanbul": "0.4.1",
+    "mocha": "1.21.5"
+  },
+  "files": [
+    "index.js",
+    "HISTORY.md",
+    "LICENSE"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/"
+  },
+  "browser": {
+    "http": false
+  },
+  "keywords": [
+    "http",
+    "methods"
+  ]
+}
diff --git a/node_modules/mime-db/HISTORY.md b/node_modules/mime-db/HISTORY.md
new file mode 100644
index 000000000..7436f6414
--- /dev/null
+++ b/node_modules/mime-db/HISTORY.md
@@ -0,0 +1,507 @@
+1.52.0 / 2022-02-21
+===================
+
+  * Add extensions from IANA for more `image/*` types
+  * Add extension `.asc` to `application/pgp-keys`
+  * Add extensions to various XML types
+  * Add new upstream MIME types
+
+1.51.0 / 2021-11-08
+===================
+
+  * Add new upstream MIME types
+  * Mark `image/vnd.microsoft.icon` as compressible
+  * Mark `image/vnd.ms-dds` as compressible
+
+1.50.0 / 2021-09-15
+===================
+
+  * Add deprecated iWorks mime types and extensions
+  * Add new upstream MIME types
+
+1.49.0 / 2021-07-26
+===================
+
+  * Add extension `.trig` to `application/trig`
+  * Add new upstream MIME types
+
+1.48.0 / 2021-05-30
+===================
+
+  * Add extension `.mvt` to `application/vnd.mapbox-vector-tile`
+  * Add new upstream MIME types
+  * Mark `text/yaml` as compressible
+
+1.47.0 / 2021-04-01
+===================
+
+  * Add new upstream MIME types
+  * Remove ambigious extensions from IANA for `application/*+xml` types
+  * Update primary extension to `.es` for `application/ecmascript`
+
+1.46.0 / 2021-02-13
+===================
+
+  * Add extension `.amr` to `audio/amr`
+  * Add extension `.m4s` to `video/iso.segment`
+  * Add extension `.opus` to `audio/ogg`
+  * Add new upstream MIME types
+
+1.45.0 / 2020-09-22
+===================
+
+  * Add `application/ubjson` with extension `.ubj`
+  * Add `image/avif` with extension `.avif`
+  * Add `image/ktx2` with extension `.ktx2`
+  * Add extension `.dbf` to `application/vnd.dbf`
+  * Add extension `.rar` to `application/vnd.rar`
+  * Add extension `.td` to `application/urc-targetdesc+xml`
+  * Add new upstream MIME types
+  * Fix extension of `application/vnd.apple.keynote` to be `.key`
+
+1.44.0 / 2020-04-22
+===================
+
+  * Add charsets from IANA
+  * Add extension `.cjs` to `application/node`
+  * Add new upstream MIME types
+
+1.43.0 / 2020-01-05
+===================
+
+  * Add `application/x-keepass2` with extension `.kdbx`
+  * Add extension `.mxmf` to `audio/mobile-xmf`
+  * Add extensions from IANA for `application/*+xml` types
+  * Add new upstream MIME types
+
+1.42.0 / 2019-09-25
+===================
+
+  * Add `image/vnd.ms-dds` with extension `.dds`
+  * Add new upstream MIME types
+  * Remove compressible from `multipart/mixed`
+
+1.41.0 / 2019-08-30
+===================
+
+  * Add new upstream MIME types
+  * Add `application/toml` with extension `.toml`
+  * Mark `font/ttf` as compressible
+
+1.40.0 / 2019-04-20
+===================
+
+  * Add extensions from IANA for `model/*` types
+  * Add `text/mdx` with extension `.mdx`
+
+1.39.0 / 2019-04-04
+===================
+
+  * Add extensions `.siv` and `.sieve` to `application/sieve`
+  * Add new upstream MIME types
+
+1.38.0 / 2019-02-04
+===================
+
+  * Add extension `.nq` to `application/n-quads`
+  * Add extension `.nt` to `application/n-triples`
+  * Add new upstream MIME types
+  * Mark `text/less` as compressible
+
+1.37.0 / 2018-10-19
+===================
+
+  * Add extensions to HEIC image types
+  * Add new upstream MIME types
+
+1.36.0 / 2018-08-20
+===================
+
+  * Add Apple file extensions from IANA
+  * Add extensions from IANA for `image/*` types
+  * Add new upstream MIME types
+
+1.35.0 / 2018-07-15
+===================
+
+  * Add extension `.owl` to `application/rdf+xml`
+  * Add new upstream MIME types
+    - Removes extension `.woff` from `application/font-woff`
+
+1.34.0 / 2018-06-03
+===================
+
+  * Add extension `.csl` to `application/vnd.citationstyles.style+xml`
+  * Add extension `.es` to `application/ecmascript`
+  * Add new upstream MIME types
+  * Add `UTF-8` as default charset for `text/turtle`
+  * Mark all XML-derived types as compressible
+
+1.33.0 / 2018-02-15
+===================
+
+  * Add extensions from IANA for `message/*` types
+  * Add new upstream MIME types
+  * Fix some incorrect OOXML types
+  * Remove `application/font-woff2`
+
+1.32.0 / 2017-11-29
+===================
+
+  * Add new upstream MIME types
+  * Update `text/hjson` to registered `application/hjson`
+  * Add `text/shex` with extension `.shex`
+
+1.31.0 / 2017-10-25
+===================
+
+  * Add `application/raml+yaml` with extension `.raml`
+  * Add `application/wasm` with extension `.wasm`
+  * Add new `font` type from IANA
+  * Add new upstream font extensions
+  * Add new upstream MIME types
+  * Add extensions for JPEG-2000 images
+
+1.30.0 / 2017-08-27
+===================
+
+  * Add `application/vnd.ms-outlook`
+  * Add `application/x-arj`
+  * Add extension `.mjs` to `application/javascript`
+  * Add glTF types and extensions
+  * Add new upstream MIME types
+  * Add `text/x-org`
+  * Add VirtualBox MIME types
+  * Fix `source` records for `video/*` types that are IANA
+  * Update `font/opentype` to registered `font/otf`
+
+1.29.0 / 2017-07-10
+===================
+
+  * Add `application/fido.trusted-apps+json`
+  * Add extension `.wadl` to `application/vnd.sun.wadl+xml`
+  * Add new upstream MIME types
+  * Add `UTF-8` as default charset for `text/css`
+
+1.28.0 / 2017-05-14
+===================
+
+  * Add new upstream MIME types
+  * Add extension `.gz` to `application/gzip`
+  * Update extensions `.md` and `.markdown` to be `text/markdown`
+
+1.27.0 / 2017-03-16
+===================
+
+  * Add new upstream MIME types
+  * Add `image/apng` with extension `.apng`
+
+1.26.0 / 2017-01-14
+===================
+
+  * Add new upstream MIME types
+  * Add extension `.geojson` to `application/geo+json`
+
+1.25.0 / 2016-11-11
+===================
+
+  * Add new upstream MIME types
+
+1.24.0 / 2016-09-18
+===================
+
+  * Add `audio/mp3`
+  * Add new upstream MIME types
+
+1.23.0 / 2016-05-01
+===================
+
+  * Add new upstream MIME types
+  * Add extension `.3gpp` to `audio/3gpp`
+
+1.22.0 / 2016-02-15
+===================
+
+  * Add `text/slim`
+  * Add extension `.rng` to `application/xml`
+  * Add new upstream MIME types
+  * Fix extension of `application/dash+xml` to be `.mpd`
+  * Update primary extension to `.m4a` for `audio/mp4`
+
+1.21.0 / 2016-01-06
+===================
+
+  * Add Google document types
+  * Add new upstream MIME types
+
+1.20.0 / 2015-11-10
+===================
+
+  * Add `text/x-suse-ymp`
+  * Add new upstream MIME types
+
+1.19.0 / 2015-09-17
+===================
+
+  * Add `application/vnd.apple.pkpass`
+  * Add new upstream MIME types
+
+1.18.0 / 2015-09-03
+===================
+
+  * Add new upstream MIME types
+
+1.17.0 / 2015-08-13
+===================
+
+  * Add `application/x-msdos-program`
+  * Add `audio/g711-0`
+  * Add `image/vnd.mozilla.apng`
+  * Add extension `.exe` to `application/x-msdos-program`
+
+1.16.0 / 2015-07-29
+===================
+
+  * Add `application/vnd.uri-map`
+
+1.15.0 / 2015-07-13
+===================
+
+  * Add `application/x-httpd-php`
+
+1.14.0 / 2015-06-25
+===================
+
+  * Add `application/scim+json`
+  * Add `application/vnd.3gpp.ussd+xml`
+  * Add `application/vnd.biopax.rdf+xml`
+  * Add `text/x-processing`
+
+1.13.0 / 2015-06-07
+===================
+
+  * Add nginx as a source
+  * Add `application/x-cocoa`
+  * Add `application/x-java-archive-diff`
+  * Add `application/x-makeself`
+  * Add `application/x-perl`
+  * Add `application/x-pilot`
+  * Add `application/x-redhat-package-manager`
+  * Add `application/x-sea`
+  * Add `audio/x-m4a`
+  * Add `audio/x-realaudio`
+  * Add `image/x-jng`
+  * Add `text/mathml`
+
+1.12.0 / 2015-06-05
+===================
+
+  * Add `application/bdoc`
+  * Add `application/vnd.hyperdrive+json`
+  * Add `application/x-bdoc`
+  * Add extension `.rtf` to `text/rtf`
+
+1.11.0 / 2015-05-31
+===================
+
+  * Add `audio/wav`
+  * Add `audio/wave`
+  * Add extension `.litcoffee` to `text/coffeescript`
+  * Add extension `.sfd-hdstx` to `application/vnd.hydrostatix.sof-data`
+  * Add extension `.n-gage` to `application/vnd.nokia.n-gage.symbian.install`
+
+1.10.0 / 2015-05-19
+===================
+
+  * Add `application/vnd.balsamiq.bmpr`
+  * Add `application/vnd.microsoft.portable-executable`
+  * Add `application/x-ns-proxy-autoconfig`
+
+1.9.1 / 2015-04-19
+==================
+
+  * Remove `.json` extension from `application/manifest+json`
+    - This is causing bugs downstream
+
+1.9.0 / 2015-04-19
+==================
+
+  * Add `application/manifest+json`
+  * Add `application/vnd.micro+json`
+  * Add `image/vnd.zbrush.pcx`
+  * Add `image/x-ms-bmp`
+
+1.8.0 / 2015-03-13
+==================
+
+  * Add `application/vnd.citationstyles.style+xml`
+  * Add `application/vnd.fastcopy-disk-image`
+  * Add `application/vnd.gov.sk.xmldatacontainer+xml`
+  * Add extension `.jsonld` to `application/ld+json`
+
+1.7.0 / 2015-02-08
+==================
+
+  * Add `application/vnd.gerber`
+  * Add `application/vnd.msa-disk-image`
+
+1.6.1 / 2015-02-05
+==================
+
+  * Community extensions ownership transferred from `node-mime`
+
+1.6.0 / 2015-01-29
+==================
+
+  * Add `application/jose`
+  * Add `application/jose+json`
+  * Add `application/json-seq`
+  * Add `application/jwk+json`
+  * Add `application/jwk-set+json`
+  * Add `application/jwt`
+  * Add `application/rdap+json`
+  * Add `application/vnd.gov.sk.e-form+xml`
+  * Add `application/vnd.ims.imsccv1p3`
+
+1.5.0 / 2014-12-30
+==================
+
+  * Add `application/vnd.oracle.resource+json`
+  * Fix various invalid MIME type entries
+    - `application/mbox+xml`
+    - `application/oscp-response`
+    - `application/vwg-multiplexed`
+    - `audio/g721`
+
+1.4.0 / 2014-12-21
+==================
+
+  * Add `application/vnd.ims.imsccv1p2`
+  * Fix various invalid MIME type entries
+    - `application/vnd-acucobol`
+    - `application/vnd-curl`
+    - `application/vnd-dart`
+    - `application/vnd-dxr`
+    - `application/vnd-fdf`
+    - `application/vnd-mif`
+    - `application/vnd-sema`
+    - `application/vnd-wap-wmlc`
+    - `application/vnd.adobe.flash-movie`
+    - `application/vnd.dece-zip`
+    - `application/vnd.dvb_service`
+    - `application/vnd.micrografx-igx`
+    - `application/vnd.sealed-doc`
+    - `application/vnd.sealed-eml`
+    - `application/vnd.sealed-mht`
+    - `application/vnd.sealed-ppt`
+    - `application/vnd.sealed-tiff`
+    - `application/vnd.sealed-xls`
+    - `application/vnd.sealedmedia.softseal-html`
+    - `application/vnd.sealedmedia.softseal-pdf`
+    - `application/vnd.wap-slc`
+    - `application/vnd.wap-wbxml`
+    - `audio/vnd.sealedmedia.softseal-mpeg`
+    - `image/vnd-djvu`
+    - `image/vnd-svf`
+    - `image/vnd-wap-wbmp`
+    - `image/vnd.sealed-png`
+    - `image/vnd.sealedmedia.softseal-gif`
+    - `image/vnd.sealedmedia.softseal-jpg`
+    - `model/vnd-dwf`
+    - `model/vnd.parasolid.transmit-binary`
+    - `model/vnd.parasolid.transmit-text`
+    - `text/vnd-a`
+    - `text/vnd-curl`
+    - `text/vnd.wap-wml`
+  * Remove example template MIME types
+    - `application/example`
+    - `audio/example`
+    - `image/example`
+    - `message/example`
+    - `model/example`
+    - `multipart/example`
+    - `text/example`
+    - `video/example`
+
+1.3.1 / 2014-12-16
+==================
+
+  * Fix missing extensions
+    - `application/json5`
+    - `text/hjson`
+
+1.3.0 / 2014-12-07
+==================
+
+  * Add `application/a2l`
+  * Add `application/aml`
+  * Add `application/atfx`
+  * Add `application/atxml`
+  * Add `application/cdfx+xml`
+  * Add `application/dii`
+  * Add `application/json5`
+  * Add `application/lxf`
+  * Add `application/mf4`
+  * Add `application/vnd.apache.thrift.compact`
+  * Add `application/vnd.apache.thrift.json`
+  * Add `application/vnd.coffeescript`
+  * Add `application/vnd.enphase.envoy`
+  * Add `application/vnd.ims.imsccv1p1`
+  * Add `text/csv-schema`
+  * Add `text/hjson`
+  * Add `text/markdown`
+  * Add `text/yaml`
+
+1.2.0 / 2014-11-09
+==================
+
+  * Add `application/cea`
+  * Add `application/dit`
+  * Add `application/vnd.gov.sk.e-form+zip`
+  * Add `application/vnd.tmd.mediaflex.api+xml`
+  * Type `application/epub+zip` is now IANA-registered
+
+1.1.2 / 2014-10-23
+==================
+
+  * Rebuild database for `application/x-www-form-urlencoded` change
+
+1.1.1 / 2014-10-20
+==================
+
+  * Mark `application/x-www-form-urlencoded` as compressible.
+
+1.1.0 / 2014-09-28
+==================
+
+  * Add `application/font-woff2`
+
+1.0.3 / 2014-09-25
+==================
+
+  * Fix engine requirement in package
+
+1.0.2 / 2014-09-25
+==================
+
+  * Add `application/coap-group+json`
+  * Add `application/dcd`
+  * Add `application/vnd.apache.thrift.binary`
+  * Add `image/vnd.tencent.tap`
+  * Mark all JSON-derived types as compressible
+  * Update `text/vtt` data
+
+1.0.1 / 2014-08-30
+==================
+
+  * Fix extension ordering
+
+1.0.0 / 2014-08-30
+==================
+
+  * Add `application/atf`
+  * Add `application/merge-patch+json`
+  * Add `multipart/x-mixed-replace`
+  * Add `source: 'apache'` metadata
+  * Add `source: 'iana'` metadata
+  * Remove badly-assumed charset data
diff --git a/node_modules/mime-db/LICENSE b/node_modules/mime-db/LICENSE
new file mode 100644
index 000000000..0751cb10e
--- /dev/null
+++ b/node_modules/mime-db/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2015-2022 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/mime-db/README.md b/node_modules/mime-db/README.md
new file mode 100644
index 000000000..5a8fcfe4d
--- /dev/null
+++ b/node_modules/mime-db/README.md
@@ -0,0 +1,100 @@
+# mime-db
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-image]][node-url]
+[![Build Status][ci-image]][ci-url]
+[![Coverage Status][coveralls-image]][coveralls-url]
+
+This is a large database of mime types and information about them.
+It consists of a single, public JSON file and does not include any logic,
+allowing it to remain as un-opinionated as possible with an API.
+It aggregates data from the following sources:
+
+- http://www.iana.org/assignments/media-types/media-types.xhtml
+- http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types
+- http://hg.nginx.org/nginx/raw-file/default/conf/mime.types
+
+## Installation
+
+```bash
+npm install mime-db
+```
+
+### Database Download
+
+If you're crazy enough to use this in the browser, you can just grab the
+JSON file using [jsDelivr](https://www.jsdelivr.com/). It is recommended to
+replace `master` with [a release tag](https://github.com/jshttp/mime-db/tags)
+as the JSON format may change in the future.
+
+```
+https://cdn.jsdelivr.net/gh/jshttp/mime-db@master/db.json
+```
+
+## Usage
+
+```js
+var db = require('mime-db')
+
+// grab data on .js files
+var data = db['application/javascript']
+```
+
+## Data Structure
+
+The JSON file is a map lookup for lowercased mime types.
+Each mime type has the following properties:
+
+- `.source` - where the mime type is defined.
+    If not set, it's probably a custom media type.
+    - `apache` - [Apache common media types](http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types)
+    - `iana` - [IANA-defined media types](http://www.iana.org/assignments/media-types/media-types.xhtml)
+    - `nginx` - [nginx media types](http://hg.nginx.org/nginx/raw-file/default/conf/mime.types)
+- `.extensions[]` - known extensions associated with this mime type.
+- `.compressible` - whether a file of this type can be gzipped.
+- `.charset` - the default charset associated with this type, if any.
+
+If unknown, every property could be `undefined`.
+
+## Contributing
+
+To edit the database, only make PRs against `src/custom-types.json` or
+`src/custom-suffix.json`.
+
+The `src/custom-types.json` file is a JSON object with the MIME type as the
+keys and the values being an object with the following keys:
+
+- `compressible` - leave out if you don't know, otherwise `true`/`false` to
+  indicate whether the data represented by the type is typically compressible.
+- `extensions` - include an array of file extensions that are associated with
+  the type.
+- `notes` - human-readable notes about the type, typically what the type is.
+- `sources` - include an array of URLs of where the MIME type and the associated
+  extensions are sourced from. This needs to be a [primary source](https://en.wikipedia.org/wiki/Primary_source);
+  links to type aggregating sites and Wikipedia are _not acceptable_.
+
+To update the build, run `npm run build`.
+
+### Adding Custom Media Types
+
+The best way to get new media types included in this library is to register
+them with the IANA. The community registration procedure is outlined in
+[RFC 6838 section 5](http://tools.ietf.org/html/rfc6838#section-5). Types
+registered with the IANA are automatically pulled into this library.
+
+If that is not possible / feasible, they can be added directly here as a
+"custom" type. To do this, it is required to have a primary source that
+definitively lists the media type. If an extension is going to be listed as
+associateed with this media type, the source must definitively link the
+media type and extension as well.
+
+[ci-image]: https://badgen.net/github/checks/jshttp/mime-db/master?label=ci
+[ci-url]: https://github.com/jshttp/mime-db/actions?query=workflow%3Aci
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/mime-db/master
+[coveralls-url]: https://coveralls.io/r/jshttp/mime-db?branch=master
+[node-image]: https://badgen.net/npm/node/mime-db
+[node-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/mime-db
+[npm-url]: https://npmjs.org/package/mime-db
+[npm-version-image]: https://badgen.net/npm/v/mime-db
diff --git a/node_modules/mime-db/db.json b/node_modules/mime-db/db.json
new file mode 100644
index 000000000..eb9c42c45
--- /dev/null
+++ b/node_modules/mime-db/db.json
@@ -0,0 +1,8519 @@
+{
+  "application/1d-interleaved-parityfec": {
+    "source": "iana"
+  },
+  "application/3gpdash-qoe-report+xml": {
+    "source": "iana",
+    "charset": "UTF-8",
+    "compressible": true
+  },
+  "application/3gpp-ims+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/3gpphal+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/3gpphalforms+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/a2l": {
+    "source": "iana"
+  },
+  "application/ace+cbor": {
+    "source": "iana"
+  },
+  "application/activemessage": {
+    "source": "iana"
+  },
+  "application/activity+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/alto-costmap+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/alto-costmapfilter+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/alto-directory+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/alto-endpointcost+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/alto-endpointcostparams+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/alto-endpointprop+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/alto-endpointpropparams+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/alto-error+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/alto-networkmap+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/alto-networkmapfilter+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/alto-updatestreamcontrol+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/alto-updatestreamparams+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/aml": {
+    "source": "iana"
+  },
+  "application/andrew-inset": {
+    "source": "iana",
+    "extensions": ["ez"]
+  },
+  "application/applefile": {
+    "source": "iana"
+  },
+  "application/applixware": {
+    "source": "apache",
+    "extensions": ["aw"]
+  },
+  "application/at+jwt": {
+    "source": "iana"
+  },
+  "application/atf": {
+    "source": "iana"
+  },
+  "application/atfx": {
+    "source": "iana"
+  },
+  "application/atom+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["atom"]
+  },
+  "application/atomcat+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["atomcat"]
+  },
+  "application/atomdeleted+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["atomdeleted"]
+  },
+  "application/atomicmail": {
+    "source": "iana"
+  },
+  "application/atomsvc+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["atomsvc"]
+  },
+  "application/atsc-dwd+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["dwd"]
+  },
+  "application/atsc-dynamic-event-message": {
+    "source": "iana"
+  },
+  "application/atsc-held+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["held"]
+  },
+  "application/atsc-rdt+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/atsc-rsat+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["rsat"]
+  },
+  "application/atxml": {
+    "source": "iana"
+  },
+  "application/auth-policy+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/bacnet-xdd+zip": {
+    "source": "iana",
+    "compressible": false
+  },
+  "application/batch-smtp": {
+    "source": "iana"
+  },
+  "application/bdoc": {
+    "compressible": false,
+    "extensions": ["bdoc"]
+  },
+  "application/beep+xml": {
+    "source": "iana",
+    "charset": "UTF-8",
+    "compressible": true
+  },
+  "application/calendar+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/calendar+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["xcs"]
+  },
+  "application/call-completion": {
+    "source": "iana"
+  },
+  "application/cals-1840": {
+    "source": "iana"
+  },
+  "application/captive+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/cbor": {
+    "source": "iana"
+  },
+  "application/cbor-seq": {
+    "source": "iana"
+  },
+  "application/cccex": {
+    "source": "iana"
+  },
+  "application/ccmp+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/ccxml+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["ccxml"]
+  },
+  "application/cdfx+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["cdfx"]
+  },
+  "application/cdmi-capability": {
+    "source": "iana",
+    "extensions": ["cdmia"]
+  },
+  "application/cdmi-container": {
+    "source": "iana",
+    "extensions": ["cdmic"]
+  },
+  "application/cdmi-domain": {
+    "source": "iana",
+    "extensions": ["cdmid"]
+  },
+  "application/cdmi-object": {
+    "source": "iana",
+    "extensions": ["cdmio"]
+  },
+  "application/cdmi-queue": {
+    "source": "iana",
+    "extensions": ["cdmiq"]
+  },
+  "application/cdni": {
+    "source": "iana"
+  },
+  "application/cea": {
+    "source": "iana"
+  },
+  "application/cea-2018+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/cellml+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/cfw": {
+    "source": "iana"
+  },
+  "application/city+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/clr": {
+    "source": "iana"
+  },
+  "application/clue+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/clue_info+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/cms": {
+    "source": "iana"
+  },
+  "application/cnrp+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/coap-group+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/coap-payload": {
+    "source": "iana"
+  },
+  "application/commonground": {
+    "source": "iana"
+  },
+  "application/conference-info+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/cose": {
+    "source": "iana"
+  },
+  "application/cose-key": {
+    "source": "iana"
+  },
+  "application/cose-key-set": {
+    "source": "iana"
+  },
+  "application/cpl+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["cpl"]
+  },
+  "application/csrattrs": {
+    "source": "iana"
+  },
+  "application/csta+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/cstadata+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/csvm+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/cu-seeme": {
+    "source": "apache",
+    "extensions": ["cu"]
+  },
+  "application/cwt": {
+    "source": "iana"
+  },
+  "application/cybercash": {
+    "source": "iana"
+  },
+  "application/dart": {
+    "compressible": true
+  },
+  "application/dash+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["mpd"]
+  },
+  "application/dash-patch+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["mpp"]
+  },
+  "application/dashdelta": {
+    "source": "iana"
+  },
+  "application/davmount+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["davmount"]
+  },
+  "application/dca-rft": {
+    "source": "iana"
+  },
+  "application/dcd": {
+    "source": "iana"
+  },
+  "application/dec-dx": {
+    "source": "iana"
+  },
+  "application/dialog-info+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/dicom": {
+    "source": "iana"
+  },
+  "application/dicom+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/dicom+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/dii": {
+    "source": "iana"
+  },
+  "application/dit": {
+    "source": "iana"
+  },
+  "application/dns": {
+    "source": "iana"
+  },
+  "application/dns+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/dns-message": {
+    "source": "iana"
+  },
+  "application/docbook+xml": {
+    "source": "apache",
+    "compressible": true,
+    "extensions": ["dbk"]
+  },
+  "application/dots+cbor": {
+    "source": "iana"
+  },
+  "application/dskpp+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/dssc+der": {
+    "source": "iana",
+    "extensions": ["dssc"]
+  },
+  "application/dssc+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["xdssc"]
+  },
+  "application/dvcs": {
+    "source": "iana"
+  },
+  "application/ecmascript": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["es","ecma"]
+  },
+  "application/edi-consent": {
+    "source": "iana"
+  },
+  "application/edi-x12": {
+    "source": "iana",
+    "compressible": false
+  },
+  "application/edifact": {
+    "source": "iana",
+    "compressible": false
+  },
+  "application/efi": {
+    "source": "iana"
+  },
+  "application/elm+json": {
+    "source": "iana",
+    "charset": "UTF-8",
+    "compressible": true
+  },
+  "application/elm+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/emergencycalldata.cap+xml": {
+    "source": "iana",
+    "charset": "UTF-8",
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+    "extensions": ["its"]
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+    "extensions": ["mpf"]
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+    "extensions": ["mscml"]
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+    "extensions": ["doc","dot"]
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+    "extensions": ["nt"]
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+    "charset": "US-ASCII"
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+    "extensions": ["opf"]
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+    "extensions": ["omdoc"]
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+    "extensions": ["onetoc","onetoc2","onetmp","onepkg"]
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+    "extensions": ["relo"]
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+    "extensions": ["xer"]
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+    "extensions": ["pdf"]
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+    "extensions": ["pgp"]
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+    "extensions": ["asc"]
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+    "extensions": ["asc","sig"]
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+    "extensions": ["prf"]
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+    "charset": "UTF-8",
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+    "extensions": ["p8"]
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+  "application/pkix-attr-cert": {
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+    "extensions": ["ac"]
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+    "extensions": ["cer"]
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+    "extensions": ["crl"]
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+    "extensions": ["pls"]
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+    "extensions": ["ai","eps","ps"]
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+    "extensions": ["provx"]
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+  "application/rdf+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["rdf","owl"]
+  },
+  "application/reginfo+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["rif"]
+  },
+  "application/relax-ng-compact-syntax": {
+    "source": "iana",
+    "extensions": ["rnc"]
+  },
+  "application/remote-printing": {
+    "source": "iana"
+  },
+  "application/reputon+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/resource-lists+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["rl"]
+  },
+  "application/resource-lists-diff+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["rld"]
+  },
+  "application/rfc+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/riscos": {
+    "source": "iana"
+  },
+  "application/rlmi+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/rls-services+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["rs"]
+  },
+  "application/route-apd+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["rapd"]
+  },
+  "application/route-s-tsid+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["sls"]
+  },
+  "application/route-usd+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["rusd"]
+  },
+  "application/rpki-ghostbusters": {
+    "source": "iana",
+    "extensions": ["gbr"]
+  },
+  "application/rpki-manifest": {
+    "source": "iana",
+    "extensions": ["mft"]
+  },
+  "application/rpki-publication": {
+    "source": "iana"
+  },
+  "application/rpki-roa": {
+    "source": "iana",
+    "extensions": ["roa"]
+  },
+  "application/rpki-updown": {
+    "source": "iana"
+  },
+  "application/rsd+xml": {
+    "source": "apache",
+    "compressible": true,
+    "extensions": ["rsd"]
+  },
+  "application/rss+xml": {
+    "source": "apache",
+    "compressible": true,
+    "extensions": ["rss"]
+  },
+  "application/rtf": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["rtf"]
+  },
+  "application/rtploopback": {
+    "source": "iana"
+  },
+  "application/rtx": {
+    "source": "iana"
+  },
+  "application/samlassertion+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/samlmetadata+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/sarif+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/sarif-external-properties+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/sbe": {
+    "source": "iana"
+  },
+  "application/sbml+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["sbml"]
+  },
+  "application/scaip+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/scim+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/scvp-cv-request": {
+    "source": "iana",
+    "extensions": ["scq"]
+  },
+  "application/scvp-cv-response": {
+    "source": "iana",
+    "extensions": ["scs"]
+  },
+  "application/scvp-vp-request": {
+    "source": "iana",
+    "extensions": ["spq"]
+  },
+  "application/scvp-vp-response": {
+    "source": "iana",
+    "extensions": ["spp"]
+  },
+  "application/sdp": {
+    "source": "iana",
+    "extensions": ["sdp"]
+  },
+  "application/secevent+jwt": {
+    "source": "iana"
+  },
+  "application/senml+cbor": {
+    "source": "iana"
+  },
+  "application/senml+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/senml+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["senmlx"]
+  },
+  "application/senml-etch+cbor": {
+    "source": "iana"
+  },
+  "application/senml-etch+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/senml-exi": {
+    "source": "iana"
+  },
+  "application/sensml+cbor": {
+    "source": "iana"
+  },
+  "application/sensml+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/sensml+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["sensmlx"]
+  },
+  "application/sensml-exi": {
+    "source": "iana"
+  },
+  "application/sep+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/sep-exi": {
+    "source": "iana"
+  },
+  "application/session-info": {
+    "source": "iana"
+  },
+  "application/set-payment": {
+    "source": "iana"
+  },
+  "application/set-payment-initiation": {
+    "source": "iana",
+    "extensions": ["setpay"]
+  },
+  "application/set-registration": {
+    "source": "iana"
+  },
+  "application/set-registration-initiation": {
+    "source": "iana",
+    "extensions": ["setreg"]
+  },
+  "application/sgml": {
+    "source": "iana"
+  },
+  "application/sgml-open-catalog": {
+    "source": "iana"
+  },
+  "application/shf+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["shf"]
+  },
+  "application/sieve": {
+    "source": "iana",
+    "extensions": ["siv","sieve"]
+  },
+  "application/simple-filter+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/simple-message-summary": {
+    "source": "iana"
+  },
+  "application/simplesymbolcontainer": {
+    "source": "iana"
+  },
+  "application/sipc": {
+    "source": "iana"
+  },
+  "application/slate": {
+    "source": "iana"
+  },
+  "application/smil": {
+    "source": "iana"
+  },
+  "application/smil+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["smi","smil"]
+  },
+  "application/smpte336m": {
+    "source": "iana"
+  },
+  "application/soap+fastinfoset": {
+    "source": "iana"
+  },
+  "application/soap+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/sparql-query": {
+    "source": "iana",
+    "extensions": ["rq"]
+  },
+  "application/sparql-results+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["srx"]
+  },
+  "application/spdx+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/spirits-event+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/sql": {
+    "source": "iana"
+  },
+  "application/srgs": {
+    "source": "iana",
+    "extensions": ["gram"]
+  },
+  "application/srgs+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["grxml"]
+  },
+  "application/sru+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["sru"]
+  },
+  "application/ssdl+xml": {
+    "source": "apache",
+    "compressible": true,
+    "extensions": ["ssdl"]
+  },
+  "application/ssml+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["ssml"]
+  },
+  "application/stix+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/swid+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["swidtag"]
+  },
+  "application/tamp-apex-update": {
+    "source": "iana"
+  },
+  "application/tamp-apex-update-confirm": {
+    "source": "iana"
+  },
+  "application/tamp-community-update": {
+    "source": "iana"
+  },
+  "application/tamp-community-update-confirm": {
+    "source": "iana"
+  },
+  "application/tamp-error": {
+    "source": "iana"
+  },
+  "application/tamp-sequence-adjust": {
+    "source": "iana"
+  },
+  "application/tamp-sequence-adjust-confirm": {
+    "source": "iana"
+  },
+  "application/tamp-status-query": {
+    "source": "iana"
+  },
+  "application/tamp-status-response": {
+    "source": "iana"
+  },
+  "application/tamp-update": {
+    "source": "iana"
+  },
+  "application/tamp-update-confirm": {
+    "source": "iana"
+  },
+  "application/tar": {
+    "compressible": true
+  },
+  "application/taxii+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/td+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/tei+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["tei","teicorpus"]
+  },
+  "application/tetra_isi": {
+    "source": "iana"
+  },
+  "application/thraud+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["tfi"]
+  },
+  "application/timestamp-query": {
+    "source": "iana"
+  },
+  "application/timestamp-reply": {
+    "source": "iana"
+  },
+  "application/timestamped-data": {
+    "source": "iana",
+    "extensions": ["tsd"]
+  },
+  "application/tlsrpt+gzip": {
+    "source": "iana"
+  },
+  "application/tlsrpt+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/tnauthlist": {
+    "source": "iana"
+  },
+  "application/token-introspection+jwt": {
+    "source": "iana"
+  },
+  "application/toml": {
+    "compressible": true,
+    "extensions": ["toml"]
+  },
+  "application/trickle-ice-sdpfrag": {
+    "source": "iana"
+  },
+  "application/trig": {
+    "source": "iana",
+    "extensions": ["trig"]
+  },
+  "application/ttml+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["ttml"]
+  },
+  "application/tve-trigger": {
+    "source": "iana"
+  },
+  "application/tzif": {
+    "source": "iana"
+  },
+  "application/tzif-leap": {
+    "source": "iana"
+  },
+  "application/ubjson": {
+    "compressible": false,
+    "extensions": ["ubj"]
+  },
+  "application/ulpfec": {
+    "source": "iana"
+  },
+  "application/urc-grpsheet+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/urc-ressheet+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["rsheet"]
+  },
+  "application/urc-targetdesc+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["td"]
+  },
+  "application/urc-uisocketdesc+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vcard+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vcard+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vemmi": {
+    "source": "iana"
+  },
+  "application/vividence.scriptfile": {
+    "source": "apache"
+  },
+  "application/vnd.1000minds.decision-model+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["1km"]
+  },
+  "application/vnd.3gpp-prose+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp-prose-pc3ch+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp-v2x-local-service-information": {
+    "source": "iana"
+  },
+  "application/vnd.3gpp.5gnas": {
+    "source": "iana"
+  },
+  "application/vnd.3gpp.access-transfer-events+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.bsf+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.gmop+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.gtpc": {
+    "source": "iana"
+  },
+  "application/vnd.3gpp.interworking-data": {
+    "source": "iana"
+  },
+  "application/vnd.3gpp.lpp": {
+    "source": "iana"
+  },
+  "application/vnd.3gpp.mc-signalling-ear": {
+    "source": "iana"
+  },
+  "application/vnd.3gpp.mcdata-affiliation-command+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcdata-info+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcdata-payload": {
+    "source": "iana"
+  },
+  "application/vnd.3gpp.mcdata-service-config+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcdata-signalling": {
+    "source": "iana"
+  },
+  "application/vnd.3gpp.mcdata-ue-config+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcdata-user-profile+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcptt-affiliation-command+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcptt-floor-request+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcptt-info+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcptt-location-info+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcptt-mbms-usage-info+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcptt-service-config+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcptt-signed+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcptt-ue-config+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcptt-ue-init-config+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcptt-user-profile+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcvideo-affiliation-command+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcvideo-affiliation-info+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcvideo-info+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcvideo-location-info+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcvideo-mbms-usage-info+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcvideo-service-config+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcvideo-transmission-request+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcvideo-ue-config+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mcvideo-user-profile+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.mid-call+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.ngap": {
+    "source": "iana"
+  },
+  "application/vnd.3gpp.pfcp": {
+    "source": "iana"
+  },
+  "application/vnd.3gpp.pic-bw-large": {
+    "source": "iana",
+    "extensions": ["plb"]
+  },
+  "application/vnd.3gpp.pic-bw-small": {
+    "source": "iana",
+    "extensions": ["psb"]
+  },
+  "application/vnd.3gpp.pic-bw-var": {
+    "source": "iana",
+    "extensions": ["pvb"]
+  },
+  "application/vnd.3gpp.s1ap": {
+    "source": "iana"
+  },
+  "application/vnd.3gpp.sms": {
+    "source": "iana"
+  },
+  "application/vnd.3gpp.sms+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.srvcc-ext+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.srvcc-info+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.state-and-event-info+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp.ussd+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp2.bcmcsinfo+xml": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.3gpp2.sms": {
+    "source": "iana"
+  },
+  "application/vnd.3gpp2.tcap": {
+    "source": "iana",
+    "extensions": ["tcap"]
+  },
+  "application/vnd.3lightssoftware.imagescal": {
+    "source": "iana"
+  },
+  "application/vnd.3m.post-it-notes": {
+    "source": "iana",
+    "extensions": ["pwn"]
+  },
+  "application/vnd.accpac.simply.aso": {
+    "source": "iana",
+    "extensions": ["aso"]
+  },
+  "application/vnd.accpac.simply.imp": {
+    "source": "iana",
+    "extensions": ["imp"]
+  },
+  "application/vnd.acucobol": {
+    "source": "iana",
+    "extensions": ["acu"]
+  },
+  "application/vnd.acucorp": {
+    "source": "iana",
+    "extensions": ["atc","acutc"]
+  },
+  "application/vnd.adobe.air-application-installer-package+zip": {
+    "source": "apache",
+    "compressible": false,
+    "extensions": ["air"]
+  },
+  "application/vnd.adobe.flash.movie": {
+    "source": "iana"
+  },
+  "application/vnd.adobe.formscentral.fcdt": {
+    "source": "iana",
+    "extensions": ["fcdt"]
+  },
+  "application/vnd.adobe.fxp": {
+    "source": "iana",
+    "extensions": ["fxp","fxpl"]
+  },
+  "application/vnd.adobe.partial-upload": {
+    "source": "iana"
+  },
+  "application/vnd.adobe.xdp+xml": {
+    "source": "iana",
+    "compressible": true,
+    "extensions": ["xdp"]
+  },
+  "application/vnd.adobe.xfdf": {
+    "source": "iana",
+    "extensions": ["xfdf"]
+  },
+  "application/vnd.aether.imp": {
+    "source": "iana"
+  },
+  "application/vnd.afpc.afplinedata": {
+    "source": "iana"
+  },
+  "application/vnd.afpc.afplinedata-pagedef": {
+    "source": "iana"
+  },
+  "application/vnd.afpc.cmoca-cmresource": {
+    "source": "iana"
+  },
+  "application/vnd.afpc.foca-charset": {
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+  },
+  "application/vnd.afpc.foca-codedfont": {
+    "source": "iana"
+  },
+  "application/vnd.afpc.foca-codepage": {
+    "source": "iana"
+  },
+  "application/vnd.afpc.modca": {
+    "source": "iana"
+  },
+  "application/vnd.afpc.modca-cmtable": {
+    "source": "iana"
+  },
+  "application/vnd.afpc.modca-formdef": {
+    "source": "iana"
+  },
+  "application/vnd.afpc.modca-mediummap": {
+    "source": "iana"
+  },
+  "application/vnd.afpc.modca-objectcontainer": {
+    "source": "iana"
+  },
+  "application/vnd.afpc.modca-overlay": {
+    "source": "iana"
+  },
+  "application/vnd.afpc.modca-pagesegment": {
+    "source": "iana"
+  },
+  "application/vnd.age": {
+    "source": "iana",
+    "extensions": ["age"]
+  },
+  "application/vnd.ah-barcode": {
+    "source": "iana"
+  },
+  "application/vnd.ahead.space": {
+    "source": "iana",
+    "extensions": ["ahead"]
+  },
+  "application/vnd.airzip.filesecure.azf": {
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+    "extensions": ["azf"]
+  },
+  "application/vnd.airzip.filesecure.azs": {
+    "source": "iana",
+    "extensions": ["azs"]
+  },
+  "application/vnd.amadeus+json": {
+    "source": "iana",
+    "compressible": true
+  },
+  "application/vnd.amazon.ebook": {
+    "source": "apache",
+    "extensions": ["azw"]
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+    "extensions": ["osfpvg"]
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+    "extensions": ["wif"]
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+    "extensions": ["arj"]
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+    "extensions": ["aam"]
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+    "extensions": ["bdoc"]
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+    "extensions": ["bz2","boz"]
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+    "extensions": ["vcd"]
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+    "extensions": ["chat"]
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+    "extensions": ["pgn"]
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+    "extensions": ["nsc"]
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+    "extensions": ["dir","dcr","dxr","cst","cct","cxt","w3d","fgd","swa"]
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+    "extensions": ["wad"]
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+    "extensions": ["res"]
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+    "extensions": ["dvi"]
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+  "application/x-font-sunos-news": {
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+    "extensions": ["pfa","pfb","pfm","afm"]
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+    "extensions": ["spl"]
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+    "extensions": ["ulx"]
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+    "extensions": ["gnumeric"]
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+    "extensions": ["gramps"]
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+    "extensions": ["gtar"]
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+    "extensions": ["hdf"]
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+    "extensions": ["php"]
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+    "extensions": ["install"]
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+    "extensions": ["iso"]
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+    "extensions": ["jardiff"]
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+    "compressible": false,
+    "extensions": ["jnlp"]
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+  "application/x-keepass2": {
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+    "extensions": ["latex"]
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+    "extensions": ["lzh","lha"]
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+    "extensions": ["run"]
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+    "extensions": ["xbap"]
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+    "extensions": ["mdb"]
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+    "extensions": ["mvb","m13","m14"]
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+    "extensions": ["trm"]
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+    "extensions": ["wri"]
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+    "extensions": ["pac"]
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+    "extensions": ["nzb"]
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+    "extensions": ["pl","pm"]
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+    "extensions": ["p12","pfx"]
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+    "extensions": ["p7b","spc"]
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+    "extensions": ["p7r"]
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+    "extensions": ["rar"]
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+    "extensions": ["sh"]
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+    "extensions": ["xhtml","xht"]
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+    "extensions": ["mid","midi","kar","rmi"]
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+    "extensions": ["mxmf"]
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+    "extensions": ["mp3"]
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+    "extensions": ["m4a","mp4a"]
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+  "video/vnd.dece.hd": {
+    "source": "iana",
+    "extensions": ["uvh","uvvh"]
+  },
+  "video/vnd.dece.mobile": {
+    "source": "iana",
+    "extensions": ["uvm","uvvm"]
+  },
+  "video/vnd.dece.mp4": {
+    "source": "iana"
+  },
+  "video/vnd.dece.pd": {
+    "source": "iana",
+    "extensions": ["uvp","uvvp"]
+  },
+  "video/vnd.dece.sd": {
+    "source": "iana",
+    "extensions": ["uvs","uvvs"]
+  },
+  "video/vnd.dece.video": {
+    "source": "iana",
+    "extensions": ["uvv","uvvv"]
+  },
+  "video/vnd.directv.mpeg": {
+    "source": "iana"
+  },
+  "video/vnd.directv.mpeg-tts": {
+    "source": "iana"
+  },
+  "video/vnd.dlna.mpeg-tts": {
+    "source": "iana"
+  },
+  "video/vnd.dvb.file": {
+    "source": "iana",
+    "extensions": ["dvb"]
+  },
+  "video/vnd.fvt": {
+    "source": "iana",
+    "extensions": ["fvt"]
+  },
+  "video/vnd.hns.video": {
+    "source": "iana"
+  },
+  "video/vnd.iptvforum.1dparityfec-1010": {
+    "source": "iana"
+  },
+  "video/vnd.iptvforum.1dparityfec-2005": {
+    "source": "iana"
+  },
+  "video/vnd.iptvforum.2dparityfec-1010": {
+    "source": "iana"
+  },
+  "video/vnd.iptvforum.2dparityfec-2005": {
+    "source": "iana"
+  },
+  "video/vnd.iptvforum.ttsavc": {
+    "source": "iana"
+  },
+  "video/vnd.iptvforum.ttsmpeg2": {
+    "source": "iana"
+  },
+  "video/vnd.motorola.video": {
+    "source": "iana"
+  },
+  "video/vnd.motorola.videop": {
+    "source": "iana"
+  },
+  "video/vnd.mpegurl": {
+    "source": "iana",
+    "extensions": ["mxu","m4u"]
+  },
+  "video/vnd.ms-playready.media.pyv": {
+    "source": "iana",
+    "extensions": ["pyv"]
+  },
+  "video/vnd.nokia.interleaved-multimedia": {
+    "source": "iana"
+  },
+  "video/vnd.nokia.mp4vr": {
+    "source": "iana"
+  },
+  "video/vnd.nokia.videovoip": {
+    "source": "iana"
+  },
+  "video/vnd.objectvideo": {
+    "source": "iana"
+  },
+  "video/vnd.radgamettools.bink": {
+    "source": "iana"
+  },
+  "video/vnd.radgamettools.smacker": {
+    "source": "iana"
+  },
+  "video/vnd.sealed.mpeg1": {
+    "source": "iana"
+  },
+  "video/vnd.sealed.mpeg4": {
+    "source": "iana"
+  },
+  "video/vnd.sealed.swf": {
+    "source": "iana"
+  },
+  "video/vnd.sealedmedia.softseal.mov": {
+    "source": "iana"
+  },
+  "video/vnd.uvvu.mp4": {
+    "source": "iana",
+    "extensions": ["uvu","uvvu"]
+  },
+  "video/vnd.vivo": {
+    "source": "iana",
+    "extensions": ["viv"]
+  },
+  "video/vnd.youtube.yt": {
+    "source": "iana"
+  },
+  "video/vp8": {
+    "source": "iana"
+  },
+  "video/vp9": {
+    "source": "iana"
+  },
+  "video/webm": {
+    "source": "apache",
+    "compressible": false,
+    "extensions": ["webm"]
+  },
+  "video/x-f4v": {
+    "source": "apache",
+    "extensions": ["f4v"]
+  },
+  "video/x-fli": {
+    "source": "apache",
+    "extensions": ["fli"]
+  },
+  "video/x-flv": {
+    "source": "apache",
+    "compressible": false,
+    "extensions": ["flv"]
+  },
+  "video/x-m4v": {
+    "source": "apache",
+    "extensions": ["m4v"]
+  },
+  "video/x-matroska": {
+    "source": "apache",
+    "compressible": false,
+    "extensions": ["mkv","mk3d","mks"]
+  },
+  "video/x-mng": {
+    "source": "apache",
+    "extensions": ["mng"]
+  },
+  "video/x-ms-asf": {
+    "source": "apache",
+    "extensions": ["asf","asx"]
+  },
+  "video/x-ms-vob": {
+    "source": "apache",
+    "extensions": ["vob"]
+  },
+  "video/x-ms-wm": {
+    "source": "apache",
+    "extensions": ["wm"]
+  },
+  "video/x-ms-wmv": {
+    "source": "apache",
+    "compressible": false,
+    "extensions": ["wmv"]
+  },
+  "video/x-ms-wmx": {
+    "source": "apache",
+    "extensions": ["wmx"]
+  },
+  "video/x-ms-wvx": {
+    "source": "apache",
+    "extensions": ["wvx"]
+  },
+  "video/x-msvideo": {
+    "source": "apache",
+    "extensions": ["avi"]
+  },
+  "video/x-sgi-movie": {
+    "source": "apache",
+    "extensions": ["movie"]
+  },
+  "video/x-smv": {
+    "source": "apache",
+    "extensions": ["smv"]
+  },
+  "x-conference/x-cooltalk": {
+    "source": "apache",
+    "extensions": ["ice"]
+  },
+  "x-shader/x-fragment": {
+    "compressible": true
+  },
+  "x-shader/x-vertex": {
+    "compressible": true
+  }
+}
diff --git a/node_modules/mime-db/index.js b/node_modules/mime-db/index.js
new file mode 100644
index 000000000..ec2be30de
--- /dev/null
+++ b/node_modules/mime-db/index.js
@@ -0,0 +1,12 @@
+/*!
+ * mime-db
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015-2022 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/**
+ * Module exports.
+ */
+
+module.exports = require('./db.json')
diff --git a/node_modules/mime-db/package.json b/node_modules/mime-db/package.json
new file mode 100644
index 000000000..32c14b846
--- /dev/null
+++ b/node_modules/mime-db/package.json
@@ -0,0 +1,60 @@
+{
+  "name": "mime-db",
+  "description": "Media Type Database",
+  "version": "1.52.0",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)",
+    "Robert Kieffer <robert@broofa.com> (http://github.com/broofa)"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "mime",
+    "db",
+    "type",
+    "types",
+    "database",
+    "charset",
+    "charsets"
+  ],
+  "repository": "jshttp/mime-db",
+  "devDependencies": {
+    "bluebird": "3.7.2",
+    "co": "4.6.0",
+    "cogent": "1.0.1",
+    "csv-parse": "4.16.3",
+    "eslint": "7.32.0",
+    "eslint-config-standard": "15.0.1",
+    "eslint-plugin-import": "2.25.4",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "5.1.1",
+    "eslint-plugin-standard": "4.1.0",
+    "gnode": "0.1.2",
+    "media-typer": "1.1.0",
+    "mocha": "9.2.1",
+    "nyc": "15.1.0",
+    "raw-body": "2.5.0",
+    "stream-to-array": "2.3.0"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "README.md",
+    "db.json",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "build": "node scripts/build",
+    "fetch": "node scripts/fetch-apache && gnode scripts/fetch-iana && node scripts/fetch-nginx",
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "update": "npm run fetch && npm run build",
+    "version": "node scripts/version-history.js && git add HISTORY.md"
+  }
+}
diff --git a/node_modules/mime-types/HISTORY.md b/node_modules/mime-types/HISTORY.md
new file mode 100644
index 000000000..c5043b75b
--- /dev/null
+++ b/node_modules/mime-types/HISTORY.md
@@ -0,0 +1,397 @@
+2.1.35 / 2022-03-12
+===================
+
+  * deps: mime-db@1.52.0
+    - Add extensions from IANA for more `image/*` types
+    - Add extension `.asc` to `application/pgp-keys`
+    - Add extensions to various XML types
+    - Add new upstream MIME types
+
+2.1.34 / 2021-11-08
+===================
+
+  * deps: mime-db@1.51.0
+    - Add new upstream MIME types
+
+2.1.33 / 2021-10-01
+===================
+
+  * deps: mime-db@1.50.0
+    - Add deprecated iWorks mime types and extensions
+    - Add new upstream MIME types
+
+2.1.32 / 2021-07-27
+===================
+
+  * deps: mime-db@1.49.0
+    - Add extension `.trig` to `application/trig`
+    - Add new upstream MIME types
+
+2.1.31 / 2021-06-01
+===================
+
+  * deps: mime-db@1.48.0
+    - Add extension `.mvt` to `application/vnd.mapbox-vector-tile`
+    - Add new upstream MIME types
+
+2.1.30 / 2021-04-02
+===================
+
+  * deps: mime-db@1.47.0
+    - Add extension `.amr` to `audio/amr`
+    - Remove ambigious extensions from IANA for `application/*+xml` types
+    - Update primary extension to `.es` for `application/ecmascript`
+
+2.1.29 / 2021-02-17
+===================
+
+  * deps: mime-db@1.46.0
+    - Add extension `.amr` to `audio/amr`
+    - Add extension `.m4s` to `video/iso.segment`
+    - Add extension `.opus` to `audio/ogg`
+    - Add new upstream MIME types
+
+2.1.28 / 2021-01-01
+===================
+
+  * deps: mime-db@1.45.0
+    - Add `application/ubjson` with extension `.ubj`
+    - Add `image/avif` with extension `.avif`
+    - Add `image/ktx2` with extension `.ktx2`
+    - Add extension `.dbf` to `application/vnd.dbf`
+    - Add extension `.rar` to `application/vnd.rar`
+    - Add extension `.td` to `application/urc-targetdesc+xml`
+    - Add new upstream MIME types
+    - Fix extension of `application/vnd.apple.keynote` to be `.key`
+
+2.1.27 / 2020-04-23
+===================
+
+  * deps: mime-db@1.44.0
+    - Add charsets from IANA
+    - Add extension `.cjs` to `application/node`
+    - Add new upstream MIME types
+
+2.1.26 / 2020-01-05
+===================
+
+  * deps: mime-db@1.43.0
+    - Add `application/x-keepass2` with extension `.kdbx`
+    - Add extension `.mxmf` to `audio/mobile-xmf`
+    - Add extensions from IANA for `application/*+xml` types
+    - Add new upstream MIME types
+
+2.1.25 / 2019-11-12
+===================
+
+  * deps: mime-db@1.42.0
+    - Add new upstream MIME types
+    - Add `application/toml` with extension `.toml`
+    - Add `image/vnd.ms-dds` with extension `.dds`
+
+2.1.24 / 2019-04-20
+===================
+
+  * deps: mime-db@1.40.0
+    - Add extensions from IANA for `model/*` types
+    - Add `text/mdx` with extension `.mdx`
+
+2.1.23 / 2019-04-17
+===================
+
+  * deps: mime-db@~1.39.0
+    - Add extensions `.siv` and `.sieve` to `application/sieve`
+    - Add new upstream MIME types
+
+2.1.22 / 2019-02-14
+===================
+
+  * deps: mime-db@~1.38.0
+    - Add extension `.nq` to `application/n-quads`
+    - Add extension `.nt` to `application/n-triples`
+    - Add new upstream MIME types
+
+2.1.21 / 2018-10-19
+===================
+
+  * deps: mime-db@~1.37.0
+    - Add extensions to HEIC image types
+    - Add new upstream MIME types
+
+2.1.20 / 2018-08-26
+===================
+
+  * deps: mime-db@~1.36.0
+    - Add Apple file extensions from IANA
+    - Add extensions from IANA for `image/*` types
+    - Add new upstream MIME types
+
+2.1.19 / 2018-07-17
+===================
+
+  * deps: mime-db@~1.35.0
+    - Add extension `.csl` to `application/vnd.citationstyles.style+xml`
+    - Add extension `.es` to `application/ecmascript`
+    - Add extension `.owl` to `application/rdf+xml`
+    - Add new upstream MIME types
+    - Add UTF-8 as default charset for `text/turtle`
+
+2.1.18 / 2018-02-16
+===================
+
+  * deps: mime-db@~1.33.0
+    - Add `application/raml+yaml` with extension `.raml`
+    - Add `application/wasm` with extension `.wasm`
+    - Add `text/shex` with extension `.shex`
+    - Add extensions for JPEG-2000 images
+    - Add extensions from IANA for `message/*` types
+    - Add new upstream MIME types
+    - Update font MIME types
+    - Update `text/hjson` to registered `application/hjson`
+
+2.1.17 / 2017-09-01
+===================
+
+  * deps: mime-db@~1.30.0
+    - Add `application/vnd.ms-outlook`
+    - Add `application/x-arj`
+    - Add extension `.mjs` to `application/javascript`
+    - Add glTF types and extensions
+    - Add new upstream MIME types
+    - Add `text/x-org`
+    - Add VirtualBox MIME types
+    - Fix `source` records for `video/*` types that are IANA
+    - Update `font/opentype` to registered `font/otf`
+
+2.1.16 / 2017-07-24
+===================
+
+  * deps: mime-db@~1.29.0
+    - Add `application/fido.trusted-apps+json`
+    - Add extension `.wadl` to `application/vnd.sun.wadl+xml`
+    - Add extension `.gz` to `application/gzip`
+    - Add new upstream MIME types
+    - Update extensions `.md` and `.markdown` to be `text/markdown`
+
+2.1.15 / 2017-03-23
+===================
+
+  * deps: mime-db@~1.27.0
+    - Add new mime types
+    - Add `image/apng`
+
+2.1.14 / 2017-01-14
+===================
+
+  * deps: mime-db@~1.26.0
+    - Add new mime types
+
+2.1.13 / 2016-11-18
+===================
+
+  * deps: mime-db@~1.25.0
+    - Add new mime types
+
+2.1.12 / 2016-09-18
+===================
+
+  * deps: mime-db@~1.24.0
+    - Add new mime types
+    - Add `audio/mp3`
+
+2.1.11 / 2016-05-01
+===================
+
+  * deps: mime-db@~1.23.0
+    - Add new mime types
+
+2.1.10 / 2016-02-15
+===================
+
+  * deps: mime-db@~1.22.0
+    - Add new mime types
+    - Fix extension of `application/dash+xml`
+    - Update primary extension for `audio/mp4`
+
+2.1.9 / 2016-01-06
+==================
+
+  * deps: mime-db@~1.21.0
+    - Add new mime types
+
+2.1.8 / 2015-11-30
+==================
+
+  * deps: mime-db@~1.20.0
+    - Add new mime types
+
+2.1.7 / 2015-09-20
+==================
+
+  * deps: mime-db@~1.19.0
+    - Add new mime types
+
+2.1.6 / 2015-09-03
+==================
+
+  * deps: mime-db@~1.18.0
+    - Add new mime types
+
+2.1.5 / 2015-08-20
+==================
+
+  * deps: mime-db@~1.17.0
+    - Add new mime types
+
+2.1.4 / 2015-07-30
+==================
+
+  * deps: mime-db@~1.16.0
+    - Add new mime types
+
+2.1.3 / 2015-07-13
+==================
+
+  * deps: mime-db@~1.15.0
+    - Add new mime types
+
+2.1.2 / 2015-06-25
+==================
+
+  * deps: mime-db@~1.14.0
+    - Add new mime types
+
+2.1.1 / 2015-06-08
+==================
+
+  * perf: fix deopt during mapping
+
+2.1.0 / 2015-06-07
+==================
+
+  * Fix incorrectly treating extension-less file name as extension
+    - i.e. `'path/to/json'` will no longer return `application/json`
+  * Fix `.charset(type)` to accept parameters
+  * Fix `.charset(type)` to match case-insensitive
+  * Improve generation of extension to MIME mapping
+  * Refactor internals for readability and no argument reassignment
+  * Prefer `application/*` MIME types from the same source
+  * Prefer any type over `application/octet-stream`
+  * deps: mime-db@~1.13.0
+    - Add nginx as a source
+    - Add new mime types
+
+2.0.14 / 2015-06-06
+===================
+
+  * deps: mime-db@~1.12.0
+    - Add new mime types
+
+2.0.13 / 2015-05-31
+===================
+
+  * deps: mime-db@~1.11.0
+    - Add new mime types
+
+2.0.12 / 2015-05-19
+===================
+
+  * deps: mime-db@~1.10.0
+    - Add new mime types
+
+2.0.11 / 2015-05-05
+===================
+
+  * deps: mime-db@~1.9.1
+    - Add new mime types
+
+2.0.10 / 2015-03-13
+===================
+
+  * deps: mime-db@~1.8.0
+    - Add new mime types
+
+2.0.9 / 2015-02-09
+==================
+
+  * deps: mime-db@~1.7.0
+    - Add new mime types
+    - Community extensions ownership transferred from `node-mime`
+
+2.0.8 / 2015-01-29
+==================
+
+  * deps: mime-db@~1.6.0
+    - Add new mime types
+
+2.0.7 / 2014-12-30
+==================
+
+  * deps: mime-db@~1.5.0
+    - Add new mime types
+    - Fix various invalid MIME type entries
+
+2.0.6 / 2014-12-30
+==================
+
+  * deps: mime-db@~1.4.0
+    - Add new mime types
+    - Fix various invalid MIME type entries
+    - Remove example template MIME types
+
+2.0.5 / 2014-12-29
+==================
+
+  * deps: mime-db@~1.3.1
+    - Fix missing extensions
+
+2.0.4 / 2014-12-10
+==================
+
+  * deps: mime-db@~1.3.0
+    - Add new mime types
+
+2.0.3 / 2014-11-09
+==================
+
+  * deps: mime-db@~1.2.0
+    - Add new mime types
+
+2.0.2 / 2014-09-28
+==================
+
+  * deps: mime-db@~1.1.0
+    - Add new mime types
+    - Update charsets
+
+2.0.1 / 2014-09-07
+==================
+
+  * Support Node.js 0.6
+
+2.0.0 / 2014-09-02
+==================
+
+  * Use `mime-db`
+  * Remove `.define()`
+
+1.0.2 / 2014-08-04
+==================
+
+  * Set charset=utf-8 for `text/javascript`
+
+1.0.1 / 2014-06-24
+==================
+
+  * Add `text/jsx` type
+
+1.0.0 / 2014-05-12
+==================
+
+  * Return `false` for unknown types
+  * Set charset=utf-8 for `application/json`
+
+0.1.0 / 2014-05-02
+==================
+
+  * Initial release
diff --git a/node_modules/mime-types/LICENSE b/node_modules/mime-types/LICENSE
new file mode 100644
index 000000000..06166077b
--- /dev/null
+++ b/node_modules/mime-types/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/mime-types/README.md b/node_modules/mime-types/README.md
new file mode 100644
index 000000000..48d2fb477
--- /dev/null
+++ b/node_modules/mime-types/README.md
@@ -0,0 +1,113 @@
+# mime-types
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][ci-image]][ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+The ultimate javascript content-type utility.
+
+Similar to [the `mime@1.x` module](https://www.npmjs.com/package/mime), except:
+
+- __No fallbacks.__ Instead of naively returning the first available type,
+  `mime-types` simply returns `false`, so do
+  `var type = mime.lookup('unrecognized') || 'application/octet-stream'`.
+- No `new Mime()` business, so you could do `var lookup = require('mime-types').lookup`.
+- No `.define()` functionality
+- Bug fixes for `.lookup(path)`
+
+Otherwise, the API is compatible with `mime` 1.x.
+
+## Install
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install mime-types
+```
+
+## Adding Types
+
+All mime types are based on [mime-db](https://www.npmjs.com/package/mime-db),
+so open a PR there if you'd like to add mime types.
+
+## API
+
+```js
+var mime = require('mime-types')
+```
+
+All functions return `false` if input is invalid or not found.
+
+### mime.lookup(path)
+
+Lookup the content-type associated with a file.
+
+```js
+mime.lookup('json') // 'application/json'
+mime.lookup('.md') // 'text/markdown'
+mime.lookup('file.html') // 'text/html'
+mime.lookup('folder/file.js') // 'application/javascript'
+mime.lookup('folder/.htaccess') // false
+
+mime.lookup('cats') // false
+```
+
+### mime.contentType(type)
+
+Create a full content-type header given a content-type or extension.
+When given an extension, `mime.lookup` is used to get the matching
+content-type, otherwise the given content-type is used. Then if the
+content-type does not already have a `charset` parameter, `mime.charset`
+is used to get the default charset and add to the returned content-type.
+
+```js
+mime.contentType('markdown') // 'text/x-markdown; charset=utf-8'
+mime.contentType('file.json') // 'application/json; charset=utf-8'
+mime.contentType('text/html') // 'text/html; charset=utf-8'
+mime.contentType('text/html; charset=iso-8859-1') // 'text/html; charset=iso-8859-1'
+
+// from a full path
+mime.contentType(path.extname('/path/to/file.json')) // 'application/json; charset=utf-8'
+```
+
+### mime.extension(type)
+
+Get the default extension for a content-type.
+
+```js
+mime.extension('application/octet-stream') // 'bin'
+```
+
+### mime.charset(type)
+
+Lookup the implied default charset of a content-type.
+
+```js
+mime.charset('text/markdown') // 'UTF-8'
+```
+
+### var type = mime.types[extension]
+
+A map of content-types by extension.
+
+### [extensions...] = mime.extensions[type]
+
+A map of extensions by content-type.
+
+## License
+
+[MIT](LICENSE)
+
+[ci-image]: https://badgen.net/github/checks/jshttp/mime-types/master?label=ci
+[ci-url]: https://github.com/jshttp/mime-types/actions/workflows/ci.yml
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/mime-types/master
+[coveralls-url]: https://coveralls.io/r/jshttp/mime-types?branch=master
+[node-version-image]: https://badgen.net/npm/node/mime-types
+[node-version-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/mime-types
+[npm-url]: https://npmjs.org/package/mime-types
+[npm-version-image]: https://badgen.net/npm/v/mime-types
diff --git a/node_modules/mime-types/index.js b/node_modules/mime-types/index.js
new file mode 100644
index 000000000..b9f34d599
--- /dev/null
+++ b/node_modules/mime-types/index.js
@@ -0,0 +1,188 @@
+/*!
+ * mime-types
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var db = require('mime-db')
+var extname = require('path').extname
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var EXTRACT_TYPE_REGEXP = /^\s*([^;\s]*)(?:;|\s|$)/
+var TEXT_TYPE_REGEXP = /^text\//i
+
+/**
+ * Module exports.
+ * @public
+ */
+
+exports.charset = charset
+exports.charsets = { lookup: charset }
+exports.contentType = contentType
+exports.extension = extension
+exports.extensions = Object.create(null)
+exports.lookup = lookup
+exports.types = Object.create(null)
+
+// Populate the extensions/types maps
+populateMaps(exports.extensions, exports.types)
+
+/**
+ * Get the default charset for a MIME type.
+ *
+ * @param {string} type
+ * @return {boolean|string}
+ */
+
+function charset (type) {
+  if (!type || typeof type !== 'string') {
+    return false
+  }
+
+  // TODO: use media-typer
+  var match = EXTRACT_TYPE_REGEXP.exec(type)
+  var mime = match && db[match[1].toLowerCase()]
+
+  if (mime && mime.charset) {
+    return mime.charset
+  }
+
+  // default text/* to utf-8
+  if (match && TEXT_TYPE_REGEXP.test(match[1])) {
+    return 'UTF-8'
+  }
+
+  return false
+}
+
+/**
+ * Create a full Content-Type header given a MIME type or extension.
+ *
+ * @param {string} str
+ * @return {boolean|string}
+ */
+
+function contentType (str) {
+  // TODO: should this even be in this module?
+  if (!str || typeof str !== 'string') {
+    return false
+  }
+
+  var mime = str.indexOf('/') === -1
+    ? exports.lookup(str)
+    : str
+
+  if (!mime) {
+    return false
+  }
+
+  // TODO: use content-type or other module
+  if (mime.indexOf('charset') === -1) {
+    var charset = exports.charset(mime)
+    if (charset) mime += '; charset=' + charset.toLowerCase()
+  }
+
+  return mime
+}
+
+/**
+ * Get the default extension for a MIME type.
+ *
+ * @param {string} type
+ * @return {boolean|string}
+ */
+
+function extension (type) {
+  if (!type || typeof type !== 'string') {
+    return false
+  }
+
+  // TODO: use media-typer
+  var match = EXTRACT_TYPE_REGEXP.exec(type)
+
+  // get extensions
+  var exts = match && exports.extensions[match[1].toLowerCase()]
+
+  if (!exts || !exts.length) {
+    return false
+  }
+
+  return exts[0]
+}
+
+/**
+ * Lookup the MIME type for a file path/extension.
+ *
+ * @param {string} path
+ * @return {boolean|string}
+ */
+
+function lookup (path) {
+  if (!path || typeof path !== 'string') {
+    return false
+  }
+
+  // get the extension ("ext" or ".ext" or full path)
+  var extension = extname('x.' + path)
+    .toLowerCase()
+    .substr(1)
+
+  if (!extension) {
+    return false
+  }
+
+  return exports.types[extension] || false
+}
+
+/**
+ * Populate the extensions and types maps.
+ * @private
+ */
+
+function populateMaps (extensions, types) {
+  // source preference (least -> most)
+  var preference = ['nginx', 'apache', undefined, 'iana']
+
+  Object.keys(db).forEach(function forEachMimeType (type) {
+    var mime = db[type]
+    var exts = mime.extensions
+
+    if (!exts || !exts.length) {
+      return
+    }
+
+    // mime -> extensions
+    extensions[type] = exts
+
+    // extension -> mime
+    for (var i = 0; i < exts.length; i++) {
+      var extension = exts[i]
+
+      if (types[extension]) {
+        var from = preference.indexOf(db[types[extension]].source)
+        var to = preference.indexOf(mime.source)
+
+        if (types[extension] !== 'application/octet-stream' &&
+          (from > to || (from === to && types[extension].substr(0, 12) === 'application/'))) {
+          // skip the remapping
+          continue
+        }
+      }
+
+      // set the extension -> mime
+      types[extension] = type
+    }
+  })
+}
diff --git a/node_modules/mime-types/package.json b/node_modules/mime-types/package.json
new file mode 100644
index 000000000..bbef69645
--- /dev/null
+++ b/node_modules/mime-types/package.json
@@ -0,0 +1,44 @@
+{
+  "name": "mime-types",
+  "description": "The ultimate javascript content-type utility.",
+  "version": "2.1.35",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jeremiah Senkpiel <fishrock123@rocketmail.com> (https://searchbeam.jit.su)",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "mime",
+    "types"
+  ],
+  "repository": "jshttp/mime-types",
+  "dependencies": {
+    "mime-db": "1.52.0"
+  },
+  "devDependencies": {
+    "eslint": "7.32.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.25.4",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "5.2.0",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "9.2.2",
+    "nyc": "15.1.0"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec test/test.js",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  }
+}
diff --git a/node_modules/mime/CHANGELOG.md b/node_modules/mime/CHANGELOG.md
new file mode 100644
index 000000000..dd254310a
--- /dev/null
+++ b/node_modules/mime/CHANGELOG.md
@@ -0,0 +1,296 @@
+# Changelog
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+## [2.6.0](https://github.com/broofa/mime/compare/v2.5.2...v2.6.0) (2021-11-02)
+
+
+### Features
+
+* mime-db@1.50.0 ([cef0cc4](https://github.com/broofa/mime/commit/cef0cc484ff6d05ff1e12b54ca3e8b856fbc14d8))
+
+### [2.5.2](https://github.com/broofa/mime/compare/v2.5.0...v2.5.2) (2021-02-17)
+
+
+### Bug Fixes
+
+* update to mime-db@1.46.0, fixes [#253](https://github.com/broofa/mime/issues/253) ([f10e6aa](https://github.com/broofa/mime/commit/f10e6aa62e1356de7e2491d7fb4374c8dac65800))
+
+## [2.5.0](https://github.com/broofa/mime/compare/v2.4.7...v2.5.0) (2021-01-16)
+
+
+### Features
+
+* improved CLI ([#244](https://github.com/broofa/mime/issues/244)) ([c8a8356](https://github.com/broofa/mime/commit/c8a8356e3b27f3ef46b64b89b428fdb547b14d5f))
+
+### [2.4.7](https://github.com/broofa/mime/compare/v2.4.6...v2.4.7) (2020-12-16)
+
+
+### Bug Fixes
+
+* update to latest mime-db ([43b09ef](https://github.com/broofa/mime/commit/43b09eff0233eacc449af2b1f99a19ba9e104a44))
+
+### [2.4.6](https://github.com/broofa/mime/compare/v2.4.5...v2.4.6) (2020-05-27)
+
+
+### Bug Fixes
+
+* add cli.js to package.json files ([#237](https://github.com/broofa/mime/issues/237)) ([6c070bc](https://github.com/broofa/mime/commit/6c070bc298fa12a48e2ed126fbb9de641a1e7ebc))
+
+### [2.4.5](https://github.com/broofa/mime/compare/v2.4.4...v2.4.5) (2020-05-01)
+
+
+### Bug Fixes
+
+* fix [#236](https://github.com/broofa/mime/issues/236) ([7f4ecd0](https://github.com/broofa/mime/commit/7f4ecd0d850ed22c9e3bfda2c11fc74e4dde12a7))
+* update to latest mime-db ([c5cb3f2](https://github.com/broofa/mime/commit/c5cb3f2ab8b07642a066efbde1142af1b90c927b))
+
+### [2.4.4](https://github.com/broofa/mime/compare/v2.4.3...v2.4.4) (2019-06-07)
+
+
+
+### [2.4.3](https://github.com/broofa/mime/compare/v2.4.2...v2.4.3) (2019-05-15)
+
+
+
+### [2.4.2](https://github.com/broofa/mime/compare/v2.4.1...v2.4.2) (2019-04-07)
+
+
+### Bug Fixes
+
+* don't use arrow function introduced in 2.4.1 ([2e00b5c](https://github.com/broofa/mime/commit/2e00b5c))
+
+
+
+### [2.4.1](https://github.com/broofa/mime/compare/v2.4.0...v2.4.1) (2019-04-03)
+
+
+### Bug Fixes
+
+* update MDN and mime-db types ([3e567a9](https://github.com/broofa/mime/commit/3e567a9))
+
+
+
+# [2.4.0](https://github.com/broofa/mime/compare/v2.3.1...v2.4.0) (2018-11-26)
+
+
+### Features
+
+* Bind exported methods ([9d2a7b8](https://github.com/broofa/mime/commit/9d2a7b8))
+* update to mime-db@1.37.0 ([49e6e41](https://github.com/broofa/mime/commit/49e6e41))
+
+
+
+### [2.3.1](https://github.com/broofa/mime/compare/v2.3.0...v2.3.1) (2018-04-11)
+
+
+### Bug Fixes
+
+* fix [#198](https://github.com/broofa/mime/issues/198) ([25ca180](https://github.com/broofa/mime/commit/25ca180))
+
+
+
+# [2.3.0](https://github.com/broofa/mime/compare/v2.2.2...v2.3.0) (2018-04-11)
+
+
+### Bug Fixes
+
+* fix [#192](https://github.com/broofa/mime/issues/192) ([5c35df6](https://github.com/broofa/mime/commit/5c35df6))
+
+
+### Features
+
+* add travis-ci testing ([d64160f](https://github.com/broofa/mime/commit/d64160f))
+
+
+
+### [2.2.2](https://github.com/broofa/mime/compare/v2.2.1...v2.2.2) (2018-03-30)
+
+
+### Bug Fixes
+
+* update types files to mime-db@1.32.0 ([85aac16](https://github.com/broofa/mime/commit/85aac16))
+
+
+### [2.2.1](https://github.com/broofa/mime/compare/v2.2.0...v2.2.1) (2018-03-30)
+
+
+### Bug Fixes
+
+* Retain type->extension mappings for non-default types.  Fixes [#180](https://github.com/broofa/mime/issues/180) ([b5c83fb](https://github.com/broofa/mime/commit/b5c83fb))
+
+
+
+# [2.2.0](https://github.com/broofa/mime/compare/v2.1.0...v2.2.0) (2018-01-04)
+
+
+### Features
+
+* Retain type->extension mappings for non-default types.  Fixes [#180](https://github.com/broofa/mime/issues/180) ([10f82ac](https://github.com/broofa/mime/commit/10f82ac))
+
+
+
+# [2.1.0](https://github.com/broofa/mime/compare/v2.0.5...v2.1.0) (2017-12-22)
+
+
+### Features
+
+* Upgrade to mime-db@1.32.0.  Fixes [#185](https://github.com/broofa/mime/issues/185) ([3f775ba](https://github.com/broofa/mime/commit/3f775ba))
+
+
+
+### [2.0.5](https://github.com/broofa/mime/compare/v2.0.1...v2.0.5) (2017-12-22)
+
+
+### Bug Fixes
+
+* ES5 support (back to node v0.4) ([f14ccb6](https://github.com/broofa/mime/commit/f14ccb6))
+
+
+
+# Changelog
+
+### v2.0.4 (24/11/2017)
+- [**closed**] Switch to mime-score module for resolving extension contention issues. [#182](https://github.com/broofa/mime/issues/182)
+- [**closed**] Update mime-db to 1.31.0 in v1.x branch [#181](https://github.com/broofa/mime/issues/181)
+
+---
+
+## v1.5.0 (22/11/2017)
+- [**closed**] need ES5 version ready in npm package [#179](https://github.com/broofa/mime/issues/179)
+- [**closed**] mime-db no trace of iWork - pages / numbers / etc. [#178](https://github.com/broofa/mime/issues/178)
+- [**closed**] How it works in brownser ? [#176](https://github.com/broofa/mime/issues/176)
+- [**closed**] Missing `./Mime` [#175](https://github.com/broofa/mime/issues/175)
+- [**closed**] Vulnerable Regular Expression [#167](https://github.com/broofa/mime/issues/167)
+
+---
+
+### v2.0.3 (25/09/2017)
+*No changelog for this release.*
+
+---
+
+### v1.4.1 (25/09/2017)
+- [**closed**] Issue when bundling with webpack [#172](https://github.com/broofa/mime/issues/172)
+
+---
+
+### v2.0.2 (15/09/2017)
+- [**V2**] fs.readFileSync is not a function [#165](https://github.com/broofa/mime/issues/165)
+- [**closed**] The extension for video/quicktime should map to .mov, not .qt [#164](https://github.com/broofa/mime/issues/164)
+- [**V2**] [v2 Feedback request] Mime class API [#163](https://github.com/broofa/mime/issues/163)
+- [**V2**] [v2 Feedback request] Resolving conflicts over extensions [#162](https://github.com/broofa/mime/issues/162)
+- [**V2**] Allow callers to load module with official, full, or no defined types.  [#161](https://github.com/broofa/mime/issues/161)
+- [**V2**] Use "facets" to resolve extension conflicts [#160](https://github.com/broofa/mime/issues/160)
+- [**V2**] Remove fs and path dependencies [#152](https://github.com/broofa/mime/issues/152)
+- [**V2**] Default content-type should not be application/octet-stream [#139](https://github.com/broofa/mime/issues/139)
+- [**V2**] reset mime-types [#124](https://github.com/broofa/mime/issues/124)
+- [**V2**] Extensionless paths should return null or false [#113](https://github.com/broofa/mime/issues/113)
+
+---
+
+### v2.0.1 (14/09/2017)
+- [**closed**] Changelog for v2.0 does not mention breaking changes [#171](https://github.com/broofa/mime/issues/171)
+- [**closed**] MIME breaking with 'class' declaration as it is without 'use strict mode' [#170](https://github.com/broofa/mime/issues/170)
+
+---
+
+## v2.0.0 (12/09/2017)
+- [**closed**] woff and woff2 [#168](https://github.com/broofa/mime/issues/168)
+
+---
+
+## v1.4.0 (28/08/2017)
+- [**closed**] support for ac3 voc files [#159](https://github.com/broofa/mime/issues/159)
+- [**closed**] Help understanding change from application/xml to text/xml [#158](https://github.com/broofa/mime/issues/158)
+- [**closed**] no longer able to override mimetype [#157](https://github.com/broofa/mime/issues/157)
+- [**closed**] application/vnd.adobe.photoshop [#147](https://github.com/broofa/mime/issues/147)
+- [**closed**] Directories should appear as something other than application/octet-stream [#135](https://github.com/broofa/mime/issues/135)
+- [**closed**] requested features [#131](https://github.com/broofa/mime/issues/131)
+- [**closed**] Make types.json loading optional? [#129](https://github.com/broofa/mime/issues/129)
+- [**closed**] Cannot find module './types.json' [#120](https://github.com/broofa/mime/issues/120)
+- [**V2**] .wav files show up as "audio/x-wav" instead of "audio/x-wave" [#118](https://github.com/broofa/mime/issues/118)
+- [**closed**] Don't be a pain in the ass for node community [#108](https://github.com/broofa/mime/issues/108)
+- [**closed**] don't make default_type global [#78](https://github.com/broofa/mime/issues/78)
+- [**closed**] mime.extension() fails if the content-type is parameterized [#74](https://github.com/broofa/mime/issues/74)
+
+---
+
+### v1.3.6 (11/05/2017)
+- [**closed**] .md should be text/markdown as of March 2016 [#154](https://github.com/broofa/mime/issues/154)
+- [**closed**] Error while installing mime [#153](https://github.com/broofa/mime/issues/153)
+- [**closed**] application/manifest+json [#149](https://github.com/broofa/mime/issues/149)
+- [**closed**] Dynamic adaptive streaming over HTTP (DASH) file extension typo [#141](https://github.com/broofa/mime/issues/141)
+- [**closed**] charsets image/png undefined [#140](https://github.com/broofa/mime/issues/140)
+- [**closed**] Mime-db dependency out of date [#130](https://github.com/broofa/mime/issues/130)
+- [**closed**] how to support plist？ [#126](https://github.com/broofa/mime/issues/126)
+- [**closed**] how does .types file format look like? [#123](https://github.com/broofa/mime/issues/123)
+- [**closed**] Feature: support for expanding MIME patterns [#121](https://github.com/broofa/mime/issues/121)
+- [**closed**] DEBUG_MIME doesn't work [#117](https://github.com/broofa/mime/issues/117)
+
+---
+
+### v1.3.4 (06/02/2015)
+*No changelog for this release.*
+
+---
+
+### v1.3.3 (06/02/2015)
+*No changelog for this release.*
+
+---
+
+### v1.3.1 (05/02/2015)
+- [**closed**] Consider adding support for Handlebars .hbs file ending [#111](https://github.com/broofa/mime/issues/111)
+- [**closed**] Consider adding support for hjson. [#110](https://github.com/broofa/mime/issues/110)
+- [**closed**] Add mime type for Opus audio files [#94](https://github.com/broofa/mime/issues/94)
+- [**closed**] Consider making the `Requesting New Types` information more visible [#77](https://github.com/broofa/mime/issues/77)
+
+---
+
+## v1.3.0 (05/02/2015)
+- [**closed**] Add common name? [#114](https://github.com/broofa/mime/issues/114)
+- [**closed**] application/x-yaml [#104](https://github.com/broofa/mime/issues/104)
+- [**closed**] Add mime type for WOFF file format 2.0 [#102](https://github.com/broofa/mime/issues/102)
+- [**closed**] application/x-msi for .msi [#99](https://github.com/broofa/mime/issues/99)
+- [**closed**] Add mimetype for gettext translation files [#98](https://github.com/broofa/mime/issues/98)
+- [**closed**] collaborators [#88](https://github.com/broofa/mime/issues/88)
+- [**closed**] getting errot in installation of mime module...any1 can help? [#87](https://github.com/broofa/mime/issues/87)
+- [**closed**] should application/json's charset be utf8? [#86](https://github.com/broofa/mime/issues/86)
+- [**closed**] Add "license" and "licenses" to package.json [#81](https://github.com/broofa/mime/issues/81)
+- [**closed**] lookup with extension-less file on Windows returns wrong type [#68](https://github.com/broofa/mime/issues/68)
+
+---
+
+### v1.2.11 (15/08/2013)
+- [**closed**] Update mime.types [#65](https://github.com/broofa/mime/issues/65)
+- [**closed**] Publish a new version [#63](https://github.com/broofa/mime/issues/63)
+- [**closed**] README should state upfront that "application/octet-stream" is default for unknown extension [#55](https://github.com/broofa/mime/issues/55)
+- [**closed**] Suggested improvement to the charset API [#52](https://github.com/broofa/mime/issues/52)
+
+---
+
+### v1.2.10 (25/07/2013)
+- [**closed**] Mime type for woff files should be application/font-woff and not application/x-font-woff [#62](https://github.com/broofa/mime/issues/62)
+- [**closed**] node.types in conflict with mime.types [#51](https://github.com/broofa/mime/issues/51)
+
+---
+
+### v1.2.9 (17/01/2013)
+- [**closed**] Please update "mime" NPM [#49](https://github.com/broofa/mime/issues/49)
+- [**closed**] Please add semicolon [#46](https://github.com/broofa/mime/issues/46)
+- [**closed**] parse full mime types [#43](https://github.com/broofa/mime/issues/43)
+
+---
+
+### v1.2.8 (10/01/2013)
+- [**closed**] /js directory mime is application/javascript. Is it correct? [#47](https://github.com/broofa/mime/issues/47)
+- [**closed**] Add mime types for lua code. [#45](https://github.com/broofa/mime/issues/45)
+
+---
+
+### v1.2.7 (19/10/2012)
+- [**closed**] cannot install 1.2.7 via npm [#41](https://github.com/broofa/mime/issues/41)
+- [**closed**] Transfer ownership to @broofa [#36](https://github.com/broofa/mime/issues/36)
+- [**closed**] it's wrong to set charset to UTF-8 for text [#30](https://github.com/broofa/mime/issues/30)
+- [**closed**] Allow multiple instances of MIME types container [#27](https://github.com/broofa/mime/issues/27)
diff --git a/node_modules/mime/LICENSE b/node_modules/mime/LICENSE
new file mode 100644
index 000000000..d3f46f7e1
--- /dev/null
+++ b/node_modules/mime/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2010 Benjamin Thomas, Robert Kieffer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/mime/Mime.js b/node_modules/mime/Mime.js
new file mode 100644
index 000000000..969a66e41
--- /dev/null
+++ b/node_modules/mime/Mime.js
@@ -0,0 +1,97 @@
+'use strict';
+
+/**
+ * @param typeMap [Object] Map of MIME type -> Array[extensions]
+ * @param ...
+ */
+function Mime() {
+  this._types = Object.create(null);
+  this._extensions = Object.create(null);
+
+  for (let i = 0; i < arguments.length; i++) {
+    this.define(arguments[i]);
+  }
+
+  this.define = this.define.bind(this);
+  this.getType = this.getType.bind(this);
+  this.getExtension = this.getExtension.bind(this);
+}
+
+/**
+ * Define mimetype -> extension mappings.  Each key is a mime-type that maps
+ * to an array of extensions associated with the type.  The first extension is
+ * used as the default extension for the type.
+ *
+ * e.g. mime.define({'audio/ogg', ['oga', 'ogg', 'spx']});
+ *
+ * If a type declares an extension that has already been defined, an error will
+ * be thrown.  To suppress this error and force the extension to be associated
+ * with the new type, pass `force`=true.  Alternatively, you may prefix the
+ * extension with "*" to map the type to extension, without mapping the
+ * extension to the type.
+ *
+ * e.g. mime.define({'audio/wav', ['wav']}, {'audio/x-wav', ['*wav']});
+ *
+ *
+ * @param map (Object) type definitions
+ * @param force (Boolean) if true, force overriding of existing definitions
+ */
+Mime.prototype.define = function(typeMap, force) {
+  for (let type in typeMap) {
+    let extensions = typeMap[type].map(function(t) {
+      return t.toLowerCase();
+    });
+    type = type.toLowerCase();
+
+    for (let i = 0; i < extensions.length; i++) {
+      const ext = extensions[i];
+
+      // '*' prefix = not the preferred type for this extension.  So fixup the
+      // extension, and skip it.
+      if (ext[0] === '*') {
+        continue;
+      }
+
+      if (!force && (ext in this._types)) {
+        throw new Error(
+          'Attempt to change mapping for "' + ext +
+          '" extension from "' + this._types[ext] + '" to "' + type +
+          '". Pass `force=true` to allow this, otherwise remove "' + ext +
+          '" from the list of extensions for "' + type + '".'
+        );
+      }
+
+      this._types[ext] = type;
+    }
+
+    // Use first extension as default
+    if (force || !this._extensions[type]) {
+      const ext = extensions[0];
+      this._extensions[type] = (ext[0] !== '*') ? ext : ext.substr(1);
+    }
+  }
+};
+
+/**
+ * Lookup a mime type based on extension
+ */
+Mime.prototype.getType = function(path) {
+  path = String(path);
+  let last = path.replace(/^.*[/\\]/, '').toLowerCase();
+  let ext = last.replace(/^.*\./, '').toLowerCase();
+
+  let hasPath = last.length < path.length;
+  let hasDot = ext.length < last.length - 1;
+
+  return (hasDot || !hasPath) && this._types[ext] || null;
+};
+
+/**
+ * Return file extension associated with a mime type
+ */
+Mime.prototype.getExtension = function(type) {
+  type = /^\s*([^;\s]*)/.test(type) && RegExp.$1;
+  return type && this._extensions[type.toLowerCase()] || null;
+};
+
+module.exports = Mime;
diff --git a/node_modules/mime/README.md b/node_modules/mime/README.md
new file mode 100644
index 000000000..b08316f24
--- /dev/null
+++ b/node_modules/mime/README.md
@@ -0,0 +1,187 @@
+<!--
+  -- This file is auto-generated from src/README_js.md. Changes should be made there.
+  -->
+# Mime
+
+A comprehensive, compact MIME type module.
+
+[![Build Status](https://travis-ci.org/broofa/mime.svg?branch=master)](https://travis-ci.org/broofa/mime)
+
+## Version 2 Notes
+
+Version 2 is a breaking change from 1.x as the semver implies.  Specifically:
+
+* `lookup()` renamed to `getType()`
+* `extension()` renamed to `getExtension()`
+* `charset()` and `load()` methods have been removed
+
+If you prefer the legacy version of this module please `npm install mime@^1`.  Version 1 docs may be found [here](https://github.com/broofa/mime/tree/v1.4.0).
+
+## Install
+
+### NPM
+```
+npm install mime
+```
+
+### Browser
+
+It is recommended that you use a bundler such as
+[webpack](https://webpack.github.io/) or [browserify](http://browserify.org/) to
+package your code.  However, browser-ready versions are available via wzrd.in.
+E.g. For the full version:
+
+    <script src="https://wzrd.in/standalone/mime@latest"></script>
+    <script>
+    mime.getType(...); // etc.
+    </script>
+
+Or, for the `mime/lite` version:
+
+    <script src="https://wzrd.in/standalone/mime%2flite@latest"></script>
+    <script>
+    mimelite.getType(...); // (Note `mimelite` here)
+    </script>
+
+## Quick Start
+
+For the full version (800+ MIME types, 1,000+ extensions):
+
+```javascript
+const mime = require('mime');
+
+mime.getType('txt');                    // ⇨ 'text/plain'
+mime.getExtension('text/plain');        // ⇨ 'txt'
+```
+
+See [Mime API](#mime-api) below for API details.
+
+## Lite Version
+
+There is also a "lite" version of this module that omits vendor-specific
+(`*/vnd.*`) and experimental (`*/x-*`) types.  It weighs in at ~2.5KB, compared
+to 8KB for the full version.  To load the lite version:
+
+```javascript
+const mime = require('mime/lite');
+```
+
+## Mime .vs. mime-types .vs. mime-db modules
+
+For those of you wondering about the difference between these [popular] NPM modules,
+here's a brief rundown ...
+
+[`mime-db`](https://github.com/jshttp/mime-db) is "the source of
+truth" for MIME type information.  It is not an API.  Rather, it is a canonical
+dataset of mime type definitions pulled from IANA, Apache, NGINX, and custom mappings
+submitted by the Node.js community.
+
+[`mime-types`](https://github.com/jshttp/mime-types) is a thin
+wrapper around mime-db that provides an API drop-in compatible(ish) with `mime @ < v1.3.6` API.
+
+`mime` is, as of v2, a self-contained module bundled with a pre-optimized version
+of the `mime-db` dataset.  It provides a simplified API with the following characteristics:
+
+* Intelligently resolved type conflicts (See [mime-score](https://github.com/broofa/mime-score) for details)
+* Method naming consistent with industry best-practices
+* Compact footprint.  E.g. The minified+compressed sizes of the various modules:
+
+Module | Size
+--- | ---
+`mime-db`  | 18 KB
+`mime-types` | same as mime-db
+`mime` | 8 KB
+`mime/lite` | 2 KB
+
+## Mime API
+
+Both `require('mime')` and `require('mime/lite')` return instances of the MIME
+class, documented below.
+
+Note: Inputs to this API are case-insensitive.  Outputs (returned values) will
+be lowercase.
+
+### new Mime(typeMap, ... more maps)
+
+Most users of this module will not need to create Mime instances directly.
+However if you would like to create custom mappings, you may do so as follows
+...
+
+```javascript
+// Require Mime class
+const Mime = require('mime/Mime');
+
+// Define mime type -> extensions map
+const typeMap = {
+  'text/abc': ['abc', 'alpha', 'bet'],
+  'text/def': ['leppard']
+};
+
+// Create and use Mime instance
+const myMime = new Mime(typeMap);
+myMime.getType('abc');            // ⇨ 'text/abc'
+myMime.getExtension('text/def');  // ⇨ 'leppard'
+```
+
+If more than one map argument is provided, each map is `define()`ed (see below), in order.
+
+### mime.getType(pathOrExtension)
+
+Get mime type for the given path or extension.  E.g.
+
+```javascript
+mime.getType('js');             // ⇨ 'application/javascript'
+mime.getType('json');           // ⇨ 'application/json'
+
+mime.getType('txt');            // ⇨ 'text/plain'
+mime.getType('dir/text.txt');   // ⇨ 'text/plain'
+mime.getType('dir\\text.txt');  // ⇨ 'text/plain'
+mime.getType('.text.txt');      // ⇨ 'text/plain'
+mime.getType('.txt');           // ⇨ 'text/plain'
+```
+
+`null` is returned in cases where an extension is not detected or recognized
+
+```javascript
+mime.getType('foo/txt');        // ⇨ null
+mime.getType('bogus_type');     // ⇨ null
+```
+
+### mime.getExtension(type)
+Get extension for the given mime type.  Charset options (often included in
+Content-Type headers) are ignored.
+
+```javascript
+mime.getExtension('text/plain');               // ⇨ 'txt'
+mime.getExtension('application/json');         // ⇨ 'json'
+mime.getExtension('text/html; charset=utf8');  // ⇨ 'html'
+```
+
+### mime.define(typeMap[, force = false])
+
+Define [more] type mappings.
+
+`typeMap` is a map of type -> extensions, as documented in `new Mime`, above.
+
+By default this method will throw an error if you try to map a type to an
+extension that is already assigned to another type.  Passing `true` for the
+`force` argument will suppress this behavior (overriding any previous mapping).
+
+```javascript
+mime.define({'text/x-abc': ['abc', 'abcd']});
+
+mime.getType('abcd');            // ⇨ 'text/x-abc'
+mime.getExtension('text/x-abc')  // ⇨ 'abc'
+```
+
+## Command Line
+
+    mime [path_or_extension]
+
+E.g.
+
+    > mime scripts/jquery.js
+    application/javascript
+
+----
+Markdown generated from [src/README_js.md](src/README_js.md) by [![RunMD Logo](http://i.imgur.com/h0FVyzU.png)](https://github.com/broofa/runmd)
\ No newline at end of file
diff --git a/node_modules/mime/cli.js b/node_modules/mime/cli.js
new file mode 100644
index 000000000..ab70a49c4
--- /dev/null
+++ b/node_modules/mime/cli.js
@@ -0,0 +1,46 @@
+#!/usr/bin/env node
+
+'use strict';
+
+process.title = 'mime';
+let mime = require('.');
+let pkg = require('./package.json');
+let args = process.argv.splice(2);
+
+if (args.includes('--version') || args.includes('-v') || args.includes('--v')) {
+  console.log(pkg.version);
+  process.exit(0);
+} else if (args.includes('--name') || args.includes('-n') || args.includes('--n')) {
+  console.log(pkg.name);
+  process.exit(0);
+} else if (args.includes('--help') || args.includes('-h') || args.includes('--h')) {
+  console.log(pkg.name + ' - ' + pkg.description + '\n');
+  console.log(`Usage:
+
+  mime [flags] [path_or_extension]
+
+  Flags:
+    --help, -h                     Show this message
+    --version, -v                  Display the version
+    --name, -n                     Print the name of the program
+
+  Note: the command will exit after it executes if a command is specified
+  The path_or_extension is the path to the file or the extension of the file.
+
+  Examples:
+    mime --help
+    mime --version
+    mime --name
+    mime -v
+    mime src/log.js
+    mime new.py
+    mime foo.sh
+  `);
+  process.exit(0);
+}
+
+let file = args[0];
+let type = mime.getType(file);
+
+process.stdout.write(type + '\n');
+
diff --git a/node_modules/mime/index.js b/node_modules/mime/index.js
new file mode 100644
index 000000000..fadcf8d63
--- /dev/null
+++ b/node_modules/mime/index.js
@@ -0,0 +1,4 @@
+'use strict';
+
+let Mime = require('./Mime');
+module.exports = new Mime(require('./types/standard'), require('./types/other'));
diff --git a/node_modules/mime/lite.js b/node_modules/mime/lite.js
new file mode 100644
index 000000000..835cffb30
--- /dev/null
+++ b/node_modules/mime/lite.js
@@ -0,0 +1,4 @@
+'use strict';
+
+let Mime = require('./Mime');
+module.exports = new Mime(require('./types/standard'));
diff --git a/node_modules/mime/package.json b/node_modules/mime/package.json
new file mode 100644
index 000000000..df7f369bd
--- /dev/null
+++ b/node_modules/mime/package.json
@@ -0,0 +1,52 @@
+{
+  "author": {
+    "name": "Robert Kieffer",
+    "url": "http://github.com/broofa",
+    "email": "robert@broofa.com"
+  },
+  "engines": {
+    "node": ">=4.0.0"
+  },
+  "bin": {
+    "mime": "cli.js"
+  },
+  "contributors": [],
+  "description": "A comprehensive library for mime-type mapping",
+  "license": "MIT",
+  "dependencies": {},
+  "devDependencies": {
+    "benchmark": "*",
+    "chalk": "4.1.2",
+    "eslint": "8.1.0",
+    "mime-db": "1.50.0",
+    "mime-score": "1.2.0",
+    "mime-types": "2.1.33",
+    "mocha": "9.1.3",
+    "runmd": "*",
+    "standard-version": "9.3.2"
+  },
+  "files": [
+    "index.js",
+    "lite.js",
+    "Mime.js",
+    "cli.js",
+    "/types"
+  ],
+  "scripts": {
+    "prepare": "node src/build.js && runmd --output README.md src/README_js.md",
+    "release": "standard-version",
+    "benchmark": "node src/benchmark.js",
+    "md": "runmd --watch --output README.md src/README_js.md",
+    "test": "mocha src/test.js"
+  },
+  "keywords": [
+    "util",
+    "mime"
+  ],
+  "name": "mime",
+  "repository": {
+    "url": "https://github.com/broofa/mime",
+    "type": "git"
+  },
+  "version": "2.6.0"
+}
diff --git a/node_modules/mime/types/other.js b/node_modules/mime/types/other.js
new file mode 100644
index 000000000..bb6a03533
--- /dev/null
+++ b/node_modules/mime/types/other.js
@@ -0,0 +1 @@
+module.exports = {"application/prs.cww":["cww"],"application/vnd.1000minds.decision-model+xml":["1km"],"application/vnd.3gpp.pic-bw-large":["plb"],"application/vnd.3gpp.pic-bw-small":["psb"],"application/vnd.3gpp.pic-bw-var":["pvb"],"application/vnd.3gpp2.tcap":["tcap"],"application/vnd.3m.post-it-notes":["pwn"],"application/vnd.accpac.simply.aso":["aso"],"application/vnd.accpac.simply.imp":["imp"],"application/vnd.acucobol":["acu"],"application/vnd.acucorp":["atc","acutc"],"application/vnd.adobe.air-application-installer-package+zip":["air"],"application/vnd.adobe.formscentral.fcdt":["fcdt"],"application/vnd.adobe.fxp":["fxp","fxpl"],"application/vnd.adobe.xdp+xml":["xdp"],"application/vnd.adobe.xfdf":["xfdf"],"application/vnd.ahead.space":["ahead"],"application/vnd.airzip.filesecure.azf":["azf"],"application/vnd.airzip.filesecure.azs":["azs"],"application/vnd.amazon.ebook":["azw"],"application/vnd.americandynamics.acc":["acc"],"application/vnd.amiga.ami":["ami"],"application/vnd.android.package-archive":["apk"],"application/vnd.anser-web-certificate-issue-initiation":["cii"],"application/vnd.anser-web-funds-transfer-initiation":["fti"],"application/vnd.antix.game-component":["atx"],"application/vnd.apple.installer+xml":["mpkg"],"application/vnd.apple.keynote":["key"],"application/vnd.apple.mpegurl":["m3u8"],"application/vnd.apple.numbers":["numbers"],"application/vnd.apple.pages":["pages"],"application/vnd.apple.pkpass":["pkpass"],"application/vnd.aristanetworks.swi":["swi"],"application/vnd.astraea-software.iota":["iota"],"application/vnd.audiograph":["aep"],"application/vnd.balsamiq.bmml+xml":["bmml"],"application/vnd.blueice.multipass":["mpm"],"application/vnd.bmi":["bmi"],"application/vnd.businessobjects":["rep"],"application/vnd.chemdraw+xml":["cdxml"],"application/vnd.chipnuts.karaoke-mmd":["mmd"],"application/vnd.cinderella":["cdy"],"application/vnd.citationstyles.style+xml":["csl"],"application/vnd.claymore":["cla"],"application/vnd.cloanto.rp9":["rp9"],"application/vnd.clonk.c4group":["c4g","c4d","c4f","c4p","c4u"],"application/vnd.cluetrust.cartomobile-config":["c11amc"],"application/vnd.cluetrust.cartomobile-config-pkg":["c11amz"],"application/vnd.commonspace":["csp"],"application/vnd.contact.cmsg":["cdbcmsg"],"application/vnd.cosmocaller":["cmc"],"application/vnd.crick.clicker":["clkx"],"application/vnd.crick.clicker.keyboard":["clkk"],"application/vnd.crick.clicker.palette":["clkp"],"application/vnd.crick.clicker.template":["clkt"],"application/vnd.crick.clicker.wordbank":["clkw"],"application/vnd.criticaltools.wbs+xml":["wbs"],"application/vnd.ctc-posml":["pml"],"application/vnd.cups-ppd":["ppd"],"application/vnd.curl.car":["car"],"application/vnd.curl.pcurl":["pcurl"],"application/vnd.dart":["dart"],"application/vnd.data-vision.rdz":["rdz"],"application/vnd.dbf":["dbf"],"application/vnd.dece.data":["uvf","uvvf","uvd","uvvd"],"application/vnd.dece.ttml+xml":["uvt","uvvt"],"application/vnd.dece.unspecified":["uvx","uvvx"],"application/vnd.dece.zip":["uvz","uvvz"],"application/vnd.denovo.fcselayout-link":["fe_launch"],"application/vnd.dna":["dna"],"application/vnd.dolby.mlp":["mlp"],"application/vnd.dpgraph":["dpg"],"application/vnd.dreamfactory":["dfac"],"application/vnd.ds-keypoint":["kpxx"],"application/vnd.dvb.ait":["ait"],"application/vnd.dvb.service":["svc"],"application/vnd.dynageo":["geo"],"application/vnd.ecowin.chart":["mag"],"application/vnd.enliven":["nml"],"application/vnd.epson.esf":["esf"],"application/vnd.epson.msf":["msf"],"application/vnd.epson.quickanime":["qam"],"application/vnd.epson.salt":["slt"],"application/vnd.epson.ssf":["ssf"],"application/vnd.eszigno3+xml":["es3","et3"],"application/vnd.ezpix-album":["ez2"],"application/vnd.ezpix-package":["ez3"],"application/vnd.fdf":["fdf"],"application/vnd.fdsn.mseed":["mseed"],"application/vnd.fdsn.seed":["seed","dataless"],"application/vnd.flographit":["gph"],"application/vnd.fluxtime.clip":["ftc"],"application/vnd.framemaker":["fm","frame","maker","book"],"application/vnd.frogans.fnc":["fnc"],"application/vnd.frogans.ltf":["ltf"],"application/vnd.fsc.weblaunch":["fsc"],"application/vnd.fujitsu.oasys":["oas"],"application/vnd.fujitsu.oasys2":["oa2"],"application/vnd.fujitsu.oasys3":["oa3"],"application/vnd.fujitsu.oasysgp":["fg5"],"application/vnd.fujitsu.oasysprs":["bh2"],"application/vnd.fujixerox.ddd":["ddd"],"application/vnd.fujixerox.docuworks":["xdw"],"application/vnd.fujixerox.docuworks.binder":["xbd"],"application/vnd.fuzzysheet":["fzs"],"application/vnd.genomatix.tuxedo":["txd"],"application/vnd.geogebra.file":["ggb"],"application/vnd.geogebra.tool":["ggt"],"application/vnd.geometry-explorer":["gex","gre"],"application/vnd.geonext":["gxt"],"application/vnd.geoplan":["g2w"],"application/vnd.geospace":["g3w"],"application/vnd.gmx":["gmx"],"application/vnd.google-apps.document":["gdoc"],"application/vnd.google-apps.presentation":["gslides"],"application/vnd.google-apps.spreadsheet":["gsheet"],"application/vnd.google-earth.kml+xml":["kml"]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pplication/thraud+xml":["tfi"],"application/timestamped-data":["tsd"],"application/toml":["toml"],"application/trig":["trig"],"application/ttml+xml":["ttml"],"application/ubjson":["ubj"],"application/urc-ressheet+xml":["rsheet"],"application/urc-targetdesc+xml":["td"],"application/voicexml+xml":["vxml"],"application/wasm":["wasm"],"application/widget":["wgt"],"application/winhlp":["hlp"],"application/wsdl+xml":["wsdl"],"application/wspolicy+xml":["wspolicy"],"application/xaml+xml":["xaml"],"application/xcap-att+xml":["xav"],"application/xcap-caps+xml":["xca"],"application/xcap-diff+xml":["xdf"],"application/xcap-el+xml":["xel"],"application/xcap-ns+xml":["xns"],"application/xenc+xml":["xenc"],"application/xhtml+xml":["xhtml","xht"],"application/xliff+xml":["xlf"],"application/xml":["xml","xsl","xsd","rng"],"application/xml-dtd":["dtd"],"application/xop+xml":["xop"],"application/xproc+xml":["xpl"],"application/xslt+xml":["*xsl","xslt"],"application/xspf+xml":["xspf"],"application/xv+xml":["mxml","xhvml","xvml","xvm"],"application/yang":["yang"],"application/yin+xml":["yin"],"application/zip":["zip"],"audio/3gpp":["*3gpp"],"audio/adpcm":["adp"],"audio/amr":["amr"],"audio/basic":["au","snd"],"audio/midi":["mid","midi","kar","rmi"],"audio/mobile-xmf":["mxmf"],"audio/mp3":["*mp3"],"audio/mp4":["m4a","mp4a"],"audio/mpeg":["mpga","mp2","mp2a","mp3","m2a","m3a"],"audio/ogg":["oga","ogg","spx","opus"],"audio/s3m":["s3m"],"audio/silk":["sil"],"audio/wav":["wav"],"audio/wave":["*wav"],"audio/webm":["weba"],"audio/xm":["xm"],"font/collection":["ttc"],"font/otf":["otf"],"font/ttf":["ttf"],"font/woff":["woff"],"font/woff2":["woff2"],"image/aces":["exr"],"image/apng":["apng"],"image/avif":["avif"],"image/bmp":["bmp"],"image/cgm":["cgm"],"image/dicom-rle":["drle"],"image/emf":["emf"],"image/fits":["fits"],"image/g3fax":["g3"],"image/gif":["gif"],"image/heic":["heic"],"image/heic-sequence":["heics"],"image/heif":["heif"],"image/heif-sequence":["heifs"],"image/hej2k":["hej2"],"image/hsj2":["hsj2"],"image/ief":["ief"],"image/jls":["jls"],"image/jp2":["jp2","jpg2"],"image/jpeg":["jpeg","jpg","jpe"],"image/jph":["jph"],"image/jphc":["jhc"],"image/jpm":["jpm"],"image/jpx":["jpx","jpf"],"image/jxr":["jxr"],"image/jxra":["jxra"],"image/jxrs":["jxrs"],"image/jxs":["jxs"],"image/jxsc":["jxsc"],"image/jxsi":["jxsi"],"image/jxss":["jxss"],"image/ktx":["ktx"],"image/ktx2":["ktx2"],"image/png":["png"],"image/sgi":["sgi"],"image/svg+xml":["svg","svgz"],"image/t38":["t38"],"image/tiff":["tif","tiff"],"image/tiff-fx":["tfx"],"image/webp":["webp"],"image/wmf":["wmf"],"message/disposition-notification":["disposition-notification"],"message/global":["u8msg"],"message/global-delivery-status":["u8dsn"],"message/global-disposition-notification":["u8mdn"],"message/global-headers":["u8hdr"],"message/rfc822":["eml","mime"],"model/3mf":["3mf"],"model/gltf+json":["gltf"],"model/gltf-binary":["glb"],"model/iges":["igs","iges"],"model/mesh":["msh","mesh","silo"],"model/mtl":["mtl"],"model/obj":["obj"],"model/step+xml":["stpx"],"model/step+zip":["stpz"],"model/step-xml+zip":["stpxz"],"model/stl":["stl"],"model/vrml":["wrl","vrml"],"model/x3d+binary":["*x3db","x3dbz"],"model/x3d+fastinfoset":["x3db"],"model/x3d+vrml":["*x3dv","x3dvz"],"model/x3d+xml":["x3d","x3dz"],"model/x3d-vrml":["x3dv"],"text/cache-manifest":["appcache","manifest"],"text/calendar":["ics","ifb"],"text/coffeescript":["coffee","litcoffee"],"text/css":["css"],"text/csv":["csv"],"text/html":["html","htm","shtml"],"text/jade":["jade"],"text/jsx":["jsx"],"text/less":["less"],"text/markdown":["markdown","md"],"text/mathml":["mml"],"text/mdx":["mdx"],"text/n3":["n3"],"text/plain":["txt","text","conf","def","list","log","in","ini"],"text/richtext":["rtx"],"text/rtf":["*rtf"],"text/sgml":["sgml","sgm"],"text/shex":["shex"],"text/slim":["slim","slm"],"text/spdx":["spdx"],"text/stylus":["stylus","styl"],"text/tab-separated-values":["tsv"],"text/troff":["t","tr","roff","man","me","ms"],"text/turtle":["ttl"],"text/uri-list":["uri","uris","urls"],"text/vcard":["vcard"],"text/vtt":["vtt"],"text/xml":["*xml"],"text/yaml":["yaml","yml"],"video/3gpp":["3gp","3gpp"],"video/3gpp2":["3g2"],"video/h261":["h261"],"video/h263":["h263"],"video/h264":["h264"],"video/iso.segment":["m4s"],"video/jpeg":["jpgv"],"video/jpm":["*jpm","jpgm"],"video/mj2":["mj2","mjp2"],"video/mp2t":["ts"],"video/mp4":["mp4","mp4v","mpg4"],"video/mpeg":["mpeg","mpg","mpe","m1v","m2v"],"video/ogg":["ogv"],"video/quicktime":["qt","mov"],"video/webm":["webm"]};
\ No newline at end of file
diff --git a/node_modules/mongodb-connection-string-url/.esm-wrapper.mjs b/node_modules/mongodb-connection-string-url/.esm-wrapper.mjs
new file mode 100644
index 000000000..a0f5be52e
--- /dev/null
+++ b/node_modules/mongodb-connection-string-url/.esm-wrapper.mjs
@@ -0,0 +1,6 @@
+import mod from "./lib/index.js";
+
+export default mod["default"];
+export const CommaAndColonSeparatedRecord = mod.CommaAndColonSeparatedRecord;
+export const ConnectionString = mod.ConnectionString;
+export const redactConnectionString = mod.redactConnectionString;
diff --git a/node_modules/mongodb-connection-string-url/LICENSE b/node_modules/mongodb-connection-string-url/LICENSE
new file mode 100644
index 000000000..d57f55f4e
--- /dev/null
+++ b/node_modules/mongodb-connection-string-url/LICENSE
@@ -0,0 +1,192 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
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+
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+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
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+
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+      transformation or translation of a Source form, including but
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+
+      "Work" shall mean the work of authorship, whether in Source or
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+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
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+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
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+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
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+
+      "Contribution" shall mean any work of authorship, including
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+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
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+      designated in writing by the copyright owner as "Not a Contribution."
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+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
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+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
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+      Work and such Derivative Works in Source or Object form.
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+   3. Grant of Patent License. Subject to the terms and conditions of
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+      (except as stated in this section) patent license to make, have made,
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+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   Copyright 2020 MongoDB Inc.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
diff --git a/node_modules/mongodb-connection-string-url/README.md b/node_modules/mongodb-connection-string-url/README.md
new file mode 100644
index 000000000..0eb65d00f
--- /dev/null
+++ b/node_modules/mongodb-connection-string-url/README.md
@@ -0,0 +1,25 @@
+# mongodb-connection-string-url
+
+MongoDB connection strings, based on the WhatWG URL API
+
+```js
+import ConnectionString from 'mongodb-connection-string-url';
+
+const cs = new ConnectionString('mongodb://localhost');
+cs.searchParams.set('readPreference', 'secondary');
+console.log(cs.href); // 'mongodb://localhost/?readPreference=secondary'
+```
+
+## Deviations from the WhatWG URL package
+
+- URL parameters are case-insensitive
+- The `.host`, `.hostname` and `.port` properties cannot be set, and reading
+  them does not return meaningful results (and are typed as `never`in TypeScript)
+- The `.hosts` property contains a list of all hosts in the connection string
+- The `.href` property cannot be set, only read
+- There is an additional `.isSRV` property, set to `true` for `mongodb+srv://`
+- There is an additional `.clone()` utility method on the prototype
+
+## LICENSE
+
+Apache-2.0
diff --git a/node_modules/mongodb-connection-string-url/lib/index.d.ts b/node_modules/mongodb-connection-string-url/lib/index.d.ts
new file mode 100644
index 000000000..49c18ea29
--- /dev/null
+++ b/node_modules/mongodb-connection-string-url/lib/index.d.ts
@@ -0,0 +1,62 @@
+import { URL } from 'whatwg-url';
+import { redactConnectionString, ConnectionStringRedactionOptions } from './redact';
+export { redactConnectionString, ConnectionStringRedactionOptions };
+declare class CaseInsensitiveMap<K extends string = string> extends Map<K, string> {
+    delete(name: K): boolean;
+    get(name: K): string | undefined;
+    has(name: K): boolean;
+    set(name: K, value: any): this;
+    _normalizeKey(name: any): K;
+}
+declare abstract class URLWithoutHost extends URL {
+    abstract get host(): never;
+    abstract set host(value: never);
+    abstract get hostname(): never;
+    abstract set hostname(value: never);
+    abstract get port(): never;
+    abstract set port(value: never);
+    abstract get href(): string;
+    abstract set href(value: string);
+}
+export interface ConnectionStringParsingOptions {
+    looseValidation?: boolean;
+}
+export declare class ConnectionString extends URLWithoutHost {
+    _hosts: string[];
+    constructor(uri: string, options?: ConnectionStringParsingOptions);
+    get host(): never;
+    set host(_ignored: never);
+    get hostname(): never;
+    set hostname(_ignored: never);
+    get port(): never;
+    set port(_ignored: never);
+    get href(): string;
+    set href(_ignored: string);
+    get isSRV(): boolean;
+    get hosts(): string[];
+    set hosts(list: string[]);
+    toString(): string;
+    clone(): ConnectionString;
+    redact(options?: ConnectionStringRedactionOptions): ConnectionString;
+    typedSearchParams<T extends {}>(): {
+        append(name: keyof T & string, value: any): void;
+        delete(name: keyof T & string): void;
+        get(name: keyof T & string): string | null;
+        getAll(name: keyof T & string): string[];
+        has(name: keyof T & string): boolean;
+        set(name: keyof T & string, value: any): void;
+        keys(): IterableIterator<keyof T & string>;
+        values(): IterableIterator<string>;
+        entries(): IterableIterator<[keyof T & string, string]>;
+        _normalizeKey(name: keyof T & string): string;
+        [Symbol.iterator](): IterableIterator<[keyof T & string, string]>;
+        sort(): void;
+        forEach<THIS_ARG = void>(callback: (this: THIS_ARG, value: string, name: string, searchParams: any) => void, thisArg?: THIS_ARG | undefined): void;
+        readonly [Symbol.toStringTag]: "URLSearchParams";
+    };
+}
+export declare class CommaAndColonSeparatedRecord<K extends {} = Record<string, unknown>> extends CaseInsensitiveMap<keyof K & string> {
+    constructor(from?: string | null);
+    toString(): string;
+}
+export default ConnectionString;
diff --git a/node_modules/mongodb-connection-string-url/lib/index.js b/node_modules/mongodb-connection-string-url/lib/index.js
new file mode 100644
index 000000000..8e4864d20
--- /dev/null
+++ b/node_modules/mongodb-connection-string-url/lib/index.js
@@ -0,0 +1,213 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CommaAndColonSeparatedRecord = exports.ConnectionString = exports.redactConnectionString = void 0;
+const whatwg_url_1 = require("whatwg-url");
+const redact_1 = require("./redact");
+Object.defineProperty(exports, "redactConnectionString", { enumerable: true, get: function () { return redact_1.redactConnectionString; } });
+const DUMMY_HOSTNAME = '__this_is_a_placeholder__';
+function connectionStringHasValidScheme(connectionString) {
+    return (connectionString.startsWith('mongodb://') ||
+        connectionString.startsWith('mongodb+srv://'));
+}
+const HOSTS_REGEX = /^(?<protocol>[^/]+):\/\/(?:(?<username>[^:@]*)(?::(?<password>[^@]*))?@)?(?<hosts>(?!:)[^/?@]*)(?<rest>.*)/;
+class CaseInsensitiveMap extends Map {
+    delete(name) {
+        return super.delete(this._normalizeKey(name));
+    }
+    get(name) {
+        return super.get(this._normalizeKey(name));
+    }
+    has(name) {
+        return super.has(this._normalizeKey(name));
+    }
+    set(name, value) {
+        return super.set(this._normalizeKey(name), value);
+    }
+    _normalizeKey(name) {
+        name = `${name}`;
+        for (const key of this.keys()) {
+            if (key.toLowerCase() === name.toLowerCase()) {
+                name = key;
+                break;
+            }
+        }
+        return name;
+    }
+}
+function caseInsenstiveURLSearchParams(Ctor) {
+    return class CaseInsenstiveURLSearchParams extends Ctor {
+        append(name, value) {
+            return super.append(this._normalizeKey(name), value);
+        }
+        delete(name) {
+            return super.delete(this._normalizeKey(name));
+        }
+        get(name) {
+            return super.get(this._normalizeKey(name));
+        }
+        getAll(name) {
+            return super.getAll(this._normalizeKey(name));
+        }
+        has(name) {
+            return super.has(this._normalizeKey(name));
+        }
+        set(name, value) {
+            return super.set(this._normalizeKey(name), value);
+        }
+        keys() {
+            return super.keys();
+        }
+        values() {
+            return super.values();
+        }
+        entries() {
+            return super.entries();
+        }
+        [Symbol.iterator]() {
+            return super[Symbol.iterator]();
+        }
+        _normalizeKey(name) {
+            return CaseInsensitiveMap.prototype._normalizeKey.call(this, name);
+        }
+    };
+}
+class URLWithoutHost extends whatwg_url_1.URL {
+}
+class MongoParseError extends Error {
+    get name() {
+        return 'MongoParseError';
+    }
+}
+class ConnectionString extends URLWithoutHost {
+    constructor(uri, options = {}) {
+        var _a;
+        const { looseValidation } = options;
+        if (!looseValidation && !connectionStringHasValidScheme(uri)) {
+            throw new MongoParseError('Invalid scheme, expected connection string to start with "mongodb://" or "mongodb+srv://"');
+        }
+        const match = uri.match(HOSTS_REGEX);
+        if (!match) {
+            throw new MongoParseError(`Invalid connection string "${uri}"`);
+        }
+        const { protocol, username, password, hosts, rest } = (_a = match.groups) !== null && _a !== void 0 ? _a : {};
+        if (!looseValidation) {
+            if (!protocol || !hosts) {
+                throw new MongoParseError(`Protocol and host list are required in "${uri}"`);
+            }
+            try {
+                decodeURIComponent(username !== null && username !== void 0 ? username : '');
+                decodeURIComponent(password !== null && password !== void 0 ? password : '');
+            }
+            catch (err) {
+                throw new MongoParseError(err.message);
+            }
+            const illegalCharacters = /[:/?#[\]@]/gi;
+            if (username === null || username === void 0 ? void 0 : username.match(illegalCharacters)) {
+                throw new MongoParseError(`Username contains unescaped characters ${username}`);
+            }
+            if (!username || !password) {
+                const uriWithoutProtocol = uri.replace(`${protocol}://`, '');
+                if (uriWithoutProtocol.startsWith('@') || uriWithoutProtocol.startsWith(':')) {
+                    throw new MongoParseError('URI contained empty userinfo section');
+                }
+            }
+            if (password === null || password === void 0 ? void 0 : password.match(illegalCharacters)) {
+                throw new MongoParseError('Password contains unescaped characters');
+            }
+        }
+        let authString = '';
+        if (typeof username === 'string')
+            authString += username;
+        if (typeof password === 'string')
+            authString += `:${password}`;
+        if (authString)
+            authString += '@';
+        try {
+            super(`${protocol.toLowerCase()}://${authString}${DUMMY_HOSTNAME}${rest}`);
+        }
+        catch (err) {
+            if (looseValidation) {
+                new ConnectionString(uri, {
+                    ...options,
+                    looseValidation: false
+                });
+            }
+            if (typeof err.message === 'string') {
+                err.message = err.message.replace(DUMMY_HOSTNAME, hosts);
+            }
+            throw err;
+        }
+        this._hosts = hosts.split(',');
+        if (!looseValidation) {
+            if (this.isSRV && this.hosts.length !== 1) {
+                throw new MongoParseError('mongodb+srv URI cannot have multiple service names');
+            }
+            if (this.isSRV && this.hosts.some(host => host.includes(':'))) {
+                throw new MongoParseError('mongodb+srv URI cannot have port number');
+            }
+        }
+        if (!this.pathname) {
+            this.pathname = '/';
+        }
+        Object.setPrototypeOf(this.searchParams, caseInsenstiveURLSearchParams(this.searchParams.constructor).prototype);
+    }
+    get host() { return DUMMY_HOSTNAME; }
+    set host(_ignored) { throw new Error('No single host for connection string'); }
+    get hostname() { return DUMMY_HOSTNAME; }
+    set hostname(_ignored) { throw new Error('No single host for connection string'); }
+    get port() { return ''; }
+    set port(_ignored) { throw new Error('No single host for connection string'); }
+    get href() { return this.toString(); }
+    set href(_ignored) { throw new Error('Cannot set href for connection strings'); }
+    get isSRV() {
+        return this.protocol.includes('srv');
+    }
+    get hosts() {
+        return this._hosts;
+    }
+    set hosts(list) {
+        this._hosts = list;
+    }
+    toString() {
+        return super.toString().replace(DUMMY_HOSTNAME, this.hosts.join(','));
+    }
+    clone() {
+        return new ConnectionString(this.toString(), {
+            looseValidation: true
+        });
+    }
+    redact(options) {
+        return (0, redact_1.redactValidConnectionString)(this, options);
+    }
+    typedSearchParams() {
+        const sametype = false && new (caseInsenstiveURLSearchParams(whatwg_url_1.URLSearchParams))();
+        return this.searchParams;
+    }
+    [Symbol.for('nodejs.util.inspect.custom')]() {
+        const { href, origin, protocol, username, password, hosts, pathname, search, searchParams, hash } = this;
+        return { href, origin, protocol, username, password, hosts, pathname, search, searchParams, hash };
+    }
+}
+exports.ConnectionString = ConnectionString;
+class CommaAndColonSeparatedRecord extends CaseInsensitiveMap {
+    constructor(from) {
+        super();
+        for (const entry of (from !== null && from !== void 0 ? from : '').split(',')) {
+            if (!entry)
+                continue;
+            const colonIndex = entry.indexOf(':');
+            if (colonIndex === -1) {
+                this.set(entry, '');
+            }
+            else {
+                this.set(entry.slice(0, colonIndex), entry.slice(colonIndex + 1));
+            }
+        }
+    }
+    toString() {
+        return [...this].map(entry => entry.join(':')).join(',');
+    }
+}
+exports.CommaAndColonSeparatedRecord = CommaAndColonSeparatedRecord;
+exports.default = ConnectionString;
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb-connection-string-url/lib/index.js.map b/node_modules/mongodb-connection-string-url/lib/index.js.map
new file mode 100644
index 000000000..d325062aa
--- /dev/null
+++ b/node_modules/mongodb-connection-string-url/lib/index.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb-connection-string-url/lib/redact.d.ts b/node_modules/mongodb-connection-string-url/lib/redact.d.ts
new file mode 100644
index 000000000..94a64defc
--- /dev/null
+++ b/node_modules/mongodb-connection-string-url/lib/redact.d.ts
@@ -0,0 +1,7 @@
+import ConnectionString from './index';
+export interface ConnectionStringRedactionOptions {
+    redactUsernames?: boolean;
+    replacementString?: string;
+}
+export declare function redactValidConnectionString(inputUrl: Readonly<ConnectionString>, options?: ConnectionStringRedactionOptions): ConnectionString;
+export declare function redactConnectionString(uri: string, options?: ConnectionStringRedactionOptions): string;
diff --git a/node_modules/mongodb-connection-string-url/lib/redact.js b/node_modules/mongodb-connection-string-url/lib/redact.js
new file mode 100644
index 000000000..c24460c0e
--- /dev/null
+++ b/node_modules/mongodb-connection-string-url/lib/redact.js
@@ -0,0 +1,87 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.redactConnectionString = exports.redactValidConnectionString = void 0;
+const index_1 = __importStar(require("./index"));
+function redactValidConnectionString(inputUrl, options) {
+    var _a, _b;
+    const url = inputUrl.clone();
+    const replacementString = (_a = options === null || options === void 0 ? void 0 : options.replacementString) !== null && _a !== void 0 ? _a : '_credentials_';
+    const redactUsernames = (_b = options === null || options === void 0 ? void 0 : options.redactUsernames) !== null && _b !== void 0 ? _b : true;
+    if ((url.username || url.password) && redactUsernames) {
+        url.username = replacementString;
+        url.password = '';
+    }
+    else if (url.password) {
+        url.password = replacementString;
+    }
+    if (url.searchParams.has('authMechanismProperties')) {
+        const props = new index_1.CommaAndColonSeparatedRecord(url.searchParams.get('authMechanismProperties'));
+        if (props.get('AWS_SESSION_TOKEN')) {
+            props.set('AWS_SESSION_TOKEN', replacementString);
+            url.searchParams.set('authMechanismProperties', props.toString());
+        }
+    }
+    if (url.searchParams.has('tlsCertificateKeyFilePassword')) {
+        url.searchParams.set('tlsCertificateKeyFilePassword', replacementString);
+    }
+    if (url.searchParams.has('proxyUsername') && redactUsernames) {
+        url.searchParams.set('proxyUsername', replacementString);
+    }
+    if (url.searchParams.has('proxyPassword')) {
+        url.searchParams.set('proxyPassword', replacementString);
+    }
+    return url;
+}
+exports.redactValidConnectionString = redactValidConnectionString;
+function redactConnectionString(uri, options) {
+    var _a, _b;
+    const replacementString = (_a = options === null || options === void 0 ? void 0 : options.replacementString) !== null && _a !== void 0 ? _a : '<credentials>';
+    const redactUsernames = (_b = options === null || options === void 0 ? void 0 : options.redactUsernames) !== null && _b !== void 0 ? _b : true;
+    let parsed;
+    try {
+        parsed = new index_1.default(uri);
+    }
+    catch (_c) { }
+    if (parsed) {
+        options = { ...options, replacementString: '___credentials___' };
+        return parsed.redact(options).toString().replace(/___credentials___/g, replacementString);
+    }
+    const regexes = [
+        redactUsernames ? /(?<=\/\/)(.*)(?=@)/g : /(?<=\/\/[^@]+:)(.*)(?=@)/g,
+        /(?<=AWS_SESSION_TOKEN(:|%3A))([^,&]+)/gi,
+        /(?<=tlsCertificateKeyFilePassword=)([^&]+)/gi,
+        redactUsernames ? /(?<=proxyUsername=)([^&]+)/gi : null,
+        /(?<=proxyPassword=)([^&]+)/gi
+    ];
+    for (const r of regexes) {
+        if (r !== null) {
+            uri = uri.replace(r, replacementString);
+        }
+    }
+    return uri;
+}
+exports.redactConnectionString = redactConnectionString;
+//# sourceMappingURL=redact.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb-connection-string-url/lib/redact.js.map b/node_modules/mongodb-connection-string-url/lib/redact.js.map
new file mode 100644
index 000000000..0ed15d4d5
--- /dev/null
+++ b/node_modules/mongodb-connection-string-url/lib/redact.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"redact.js","sourceRoot":"","sources":["../src/redact.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;AAAA,iDAAyE;AAOzE,SAAgB,2BAA2B,CACzC,QAAoC,EACpC,OAA0C;;IAC1C,MAAM,GAAG,GAAG,QAAQ,CAAC,KAAK,EAAE,CAAC;IAC7B,MAAM,iBAAiB,GAAG,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,iBAAiB,mCAAI,eAAe,CAAC;IACxE,MAAM,eAAe,GAAG,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,eAAe,mCAAI,IAAI,CAAC;IAEzD,IAAI,CAAC,GAAG,CAAC,QAAQ,IAAI,GAAG,CAAC,QAAQ,CAAC,IAAI,eAAe,EAAE;QACrD,GAAG,CAAC,QAAQ,GAAG,iBAAiB,CAAC;QACjC,GAAG,CAAC,QAAQ,GAAG,EAAE,CAAC;KACnB;SAAM,IAAI,GAAG,CAAC,QAAQ,EAAE;QACvB,GAAG,CAAC,QAAQ,GAAG,iBAAiB,CAAC;KAClC;IACD,IAAI,GAAG,CAAC,YAAY,CAAC,GAAG,CAAC,yBAAyB,CAAC,EAAE;QACnD,MAAM,KAAK,GAAG,IAAI,oCAA4B,CAAC,GAAG,CAAC,YAAY,CAAC,GAAG,CAAC,yBAAyB,CAAC,CAAC,CAAC;QAChG,IAAI,KAAK,CAAC,GAAG,CAAC,mBAAmB,CAAC,EAAE;YAClC,KAAK,CAAC,GAAG,CAAC,mBAAmB,EAAE,iBAAiB,CAAC,CAAC;YAClD,GAAG,CAAC,YAAY,CAAC,GAAG,CAAC,yBAAyB,EAAE,KAAK,CAAC,QAAQ,EAAE,CAAC,CAAC;SACnE;KACF;IACD,IAAI,GAAG,CAAC,YAAY,CAAC,GAAG,CAAC,+BAA+B,CAAC,EAAE;QACzD,GAAG,CAAC,YAAY,CAAC,GAAG,CAAC,+BAA+B,EAAE,iBAAiB,CAAC,CAAC;KAC1E;IACD,IAAI,GAAG,CAAC,YAAY,CAAC,GAAG,CAAC,eAAe,CAAC,IAAI,eAAe,EAAE;QAC5D,GAAG,CAAC,YAAY,CAAC,GAAG,CAAC,eAAe,EAAE,iBAAiB,CAAC,CAAC;KAC1D;IACD,IAAI,GAAG,CAAC,YAAY,CAAC,GAAG,CAAC,eAAe,CAAC,EAAE;QACzC,GAAG,CAAC,YAAY,CAAC,GAAG,CAAC,eAAe,EAAE,iBAAiB,CAAC,CAAC;KAC1D;IACD,OAAO,GAAG,CAAC;AACb,CAAC;AA9BD,kEA8BC;AAED,SAAgB,sBAAsB,CACpC,GAAW,EACX,OAA0C;;IAC1C,MAAM,iBAAiB,GAAG,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,iBAAiB,mCAAI,eAAe,CAAC;IACxE,MAAM,eAAe,GAAG,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,eAAe,mCAAI,IAAI,CAAC;IAEzD,IAAI,MAAoC,CAAC;IACzC,IAAI;QACF,MAAM,GAAG,IAAI,eAAgB,CAAC,GAAG,CAAC,CAAC;KACpC;IAAC,WAAM,GAAE;IACV,IAAI,MAAM,EAAE;QAGV,OAAO,GAAG,EAAE,GAAG,OAAO,EAAE,iBAAiB,EAAE,mBAAmB,EAAE,CAAC;QACjE,OAAO,MAAM,CAAC,MAAM,CAAC,OAAO,CAAC,CAAC,QAAQ,EAAE,CAAC,OAAO,CAAC,oBAAoB,EAAE,iBAAiB,CAAC,CAAC;KAC3F;IAED,MAAM,OAAO,GAAsB;QAEjC,eAAe,CAAC,CAAC,CAAC,qBAAqB,CAAC,CAAC,CAAC,2BAA2B;QAErE,yCAAyC;QAEzC,8CAA8C;QAE9C,eAAe,CAAC,CAAC,CAAC,8BAA8B,CAAC,CAAC,CAAC,IAAI;QAEvD,8BAA8B;KAC/B,CAAC;IACF,KAAK,MAAM,CAAC,IAAI,OAAO,EAAE;QACvB,IAAI,CAAC,KAAK,IAAI,EAAE;YACd,GAAG,GAAG,GAAG,CAAC,OAAO,CAAC,CAAC,EAAE,iBAAiB,CAAC,CAAC;SACzC;KACF;IACD,OAAO,GAAG,CAAC;AACb,CAAC;AAnCD,wDAmCC"}
\ No newline at end of file
diff --git a/node_modules/mongodb-connection-string-url/package.json b/node_modules/mongodb-connection-string-url/package.json
new file mode 100644
index 000000000..9d3433fae
--- /dev/null
+++ b/node_modules/mongodb-connection-string-url/package.json
@@ -0,0 +1,62 @@
+{
+  "name": "mongodb-connection-string-url",
+  "version": "2.5.3",
+  "description": "MongoDB connection strings, based on the WhatWG URL API",
+  "keywords": [
+    "password",
+    "prompt",
+    "tty"
+  ],
+  "homepage": "https://github.com/mongodb-js/mongodb-connection-string-url",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mongodb-js/mongodb-connection-string-url.git"
+  },
+  "bugs": {
+    "url": "https://github.com/mongodb-js/mongodb-connection-string-url/issues"
+  },
+  "main": "lib/index.js",
+  "exports": {
+    "require": "./lib/index.js",
+    "import": "./.esm-wrapper.mjs"
+  },
+  "files": [
+    "LICENSE",
+    "lib",
+    "package.json",
+    "README.md",
+    ".esm-wrapper.mjs"
+  ],
+  "scripts": {
+    "lint": "eslint \"{src,test}/**/*.ts\"",
+    "test": "npm run lint && npm run build && nyc mocha --colors -r ts-node/register test/*.ts",
+    "build": "npm run compile-ts && gen-esm-wrapper . ./.esm-wrapper.mjs",
+    "prepack": "npm run build",
+    "compile-ts": "tsc -p tsconfig.json"
+  },
+  "license": "Apache-2.0",
+  "devDependencies": {
+    "@types/chai": "^4.2.5",
+    "@types/mocha": "^8.0.3",
+    "@types/node": "^14.11.1",
+    "@typescript-eslint/eslint-plugin": "^4.2.0",
+    "@typescript-eslint/parser": "^4.2.0",
+    "chai": "^4.2.0",
+    "eslint": "^7.9.0",
+    "eslint-config-semistandard": "^15.0.1",
+    "eslint-config-standard": "^14.1.1",
+    "eslint-plugin-import": "^2.22.0",
+    "eslint-plugin-node": "^11.1.0",
+    "eslint-plugin-promise": "^4.2.1",
+    "eslint-plugin-standard": "^4.0.1",
+    "gen-esm-wrapper": "^1.1.3",
+    "mocha": "^8.1.3",
+    "nyc": "^15.1.0",
+    "ts-node": "^10.9.1",
+    "typescript": "^4.7.4"
+  },
+  "dependencies": {
+    "@types/whatwg-url": "^8.2.1",
+    "whatwg-url": "^11.0.0"
+  }
+}
diff --git a/node_modules/mongodb/LICENSE.md b/node_modules/mongodb/LICENSE.md
new file mode 100644
index 000000000..ad410e113
--- /dev/null
+++ b/node_modules/mongodb/LICENSE.md
@@ -0,0 +1,201 @@
+Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
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+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
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+   6. Trademarks. This License does not grant permission to use the trade
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+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
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+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
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+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
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+   Copyright {yyyy} {name of copyright owner}
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+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
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+   limitations under the License.
\ No newline at end of file
diff --git a/node_modules/mongodb/README.md b/node_modules/mongodb/README.md
new file mode 100644
index 000000000..1811de369
--- /dev/null
+++ b/node_modules/mongodb/README.md
@@ -0,0 +1,280 @@
+# MongoDB NodeJS Driver
+
+The official [MongoDB](https://www.mongodb.com/) driver for Node.js.
+
+**Upgrading to version 4? Take a look at our [upgrade guide here](https://github.com/mongodb/node-mongodb-native/blob/HEAD/etc/notes/CHANGES_4.0.0.md)!**
+
+## Quick Links
+
+| what          | where                                                                                                   |
+| ------------- | ------------------------------------------------------------------------------------------------------- |
+| documentation | [docs.mongodb.com/drivers/node](https://docs.mongodb.com/drivers/node)                                  |
+| api-doc       | [mongodb.github.io/node-mongodb-native/](https://mongodb.github.io/node-mongodb-native/)                |
+| npm package   | [www.npmjs.com/package/mongodb](https://www.npmjs.com/package/mongodb)                                  |
+| source        | [github.com/mongodb/node-mongodb-native](https://github.com/mongodb/node-mongodb-native)                |
+| mongodb       | [www.mongodb.com](https://www.mongodb.com)                                                              |
+| changelog     | [HISTORY.md](https://github.com/mongodb/node-mongodb-native/blob/HEAD/HISTORY.md)                       |
+| upgrade to v4 | [etc/notes/CHANGES_4.0.0.md](https://github.com/mongodb/node-mongodb-native/blob/HEAD/etc/notes/CHANGES_4.0.0.md) |
+| contributing  | [CONTRIBUTING.md](https://github.com/mongodb/node-mongodb-native/blob/HEAD/CONTRIBUTING.md)             |
+
+### Bugs / Feature Requests
+
+Think you’ve found a bug? Want to see a new feature in `node-mongodb-native`? Please open a
+case in our issue management tool, JIRA:
+
+- Create an account and login [jira.mongodb.org](https://jira.mongodb.org).
+- Navigate to the NODE project [jira.mongodb.org/browse/NODE](https://jira.mongodb.org/browse/NODE).
+- Click **Create Issue** - Please provide as much information as possible about the issue type and how to reproduce it.
+
+Bug reports in JIRA for all driver projects (i.e. NODE, PYTHON, CSHARP, JAVA) and the
+Core Server (i.e. SERVER) project are **public**.
+
+### Support / Feedback
+
+For issues with, questions about, or feedback for the Node.js driver, please look into our [support channels](https://docs.mongodb.com/manual/support). Please do not email any of the driver developers directly with issues or questions - you're more likely to get an answer on the [MongoDB Community Forums](https://community.mongodb.com/tags/c/drivers-odms-connectors/7/node-js-driver).
+
+### Change Log
+
+Change history can be found in [`HISTORY.md`](https://github.com/mongodb/node-mongodb-native/blob/HEAD/HISTORY.md).
+
+### Compatibility
+
+For version compatibility matrices, please refer to the following links:
+
+- [MongoDB](https://docs.mongodb.com/drivers/node/current/compatibility/#mongodb-compatibility)
+- [NodeJS](https://docs.mongodb.com/drivers/node/current/compatibility/#language-compatibility)
+
+#### Typescript Version
+
+We recommend using the latest version of typescript, however we currently ensure the driver's public types compile against `typescript@4.1.6`.
+This is the lowest typescript version guaranteed to work with our driver: older versions may or may not work - use at your own risk.
+Since typescript [does not restrict breaking changes to major versions](https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes) we consider this support best effort.
+If you run into any unexpected compiler failures against our supported TypeScript versions please let us know by filing an issue on our [JIRA](https://jira.mongodb.org/browse/NODE).
+
+## Installation
+
+The recommended way to get started using the Node.js 4.x driver is by using the `npm` (Node Package Manager) to install the dependency in your project.
+
+After you've created your own project using `npm init`, you can run:
+
+```bash
+npm install mongodb
+# or ...
+yarn add mongodb
+```
+
+This will download the MongoDB driver and add a dependency entry in your `package.json` file.
+
+If you are a Typescript user, you will need the Node.js type definitions to use the driver's definitions:
+
+```sh
+npm install -D @types/node
+```
+
+## Troubleshooting
+
+The MongoDB driver depends on several other packages. These are:
+
+- [bson](https://github.com/mongodb/js-bson)
+- [bson-ext](https://github.com/mongodb-js/bson-ext)
+- [kerberos](https://github.com/mongodb-js/kerberos)
+- [mongodb-client-encryption](https://github.com/mongodb/libmongocrypt#readme)
+
+Some of these packages include native C++ extensions. Consult the [trouble shooting guide here](https://github.com/mongodb/node-mongodb-native/blob/HEAD/etc/notes/native-extensions.md) if you run into issues.
+
+## Quick Start
+
+This guide will show you how to set up a simple application using Node.js and MongoDB. Its scope is only how to set up the driver and perform the simple CRUD operations. For more in-depth coverage, see the [official documentation](https://docs.mongodb.com/drivers/node/).
+
+### Create the `package.json` file
+
+First, create a directory where your application will live.
+
+```bash
+mkdir myProject
+cd myProject
+```
+
+Enter the following command and answer the questions to create the initial structure for your new project:
+
+```bash
+npm init -y
+```
+
+Next, install the driver as a dependency.
+
+```bash
+npm install mongodb
+```
+
+### Start a MongoDB Server
+
+For complete MongoDB installation instructions, see [the manual](https://docs.mongodb.org/manual/installation/).
+
+1. Download the right MongoDB version from [MongoDB](https://www.mongodb.org/downloads)
+2. Create a database directory (in this case under **/data**).
+3. Install and start a `mongod` process.
+
+```bash
+mongod --dbpath=/data
+```
+
+You should see the **mongod** process start up and print some status information.
+
+### Connect to MongoDB
+
+Create a new **app.js** file and add the following code to try out some basic CRUD
+operations using the MongoDB driver.
+
+Add code to connect to the server and the database **myProject**:
+
+> **NOTE:** All the examples below use async/await syntax.
+>
+> However, all async API calls support an optional callback as the final argument,
+> if a callback is provided a Promise will not be returned.
+
+```js
+const { MongoClient } = require('mongodb');
+// or as an es module:
+// import { MongoClient } from 'mongodb'
+
+// Connection URL
+const url = 'mongodb://localhost:27017';
+const client = new MongoClient(url);
+
+// Database Name
+const dbName = 'myProject';
+
+async function main() {
+  // Use connect method to connect to the server
+  await client.connect();
+  console.log('Connected successfully to server');
+  const db = client.db(dbName);
+  const collection = db.collection('documents');
+
+  // the following code examples can be pasted here...
+
+  return 'done.';
+}
+
+main()
+  .then(console.log)
+  .catch(console.error)
+  .finally(() => client.close());
+```
+
+Run your app from the command line with:
+
+```bash
+node app.js
+```
+
+The application should print **Connected successfully to server** to the console.
+
+### Insert a Document
+
+Add to **app.js** the following function which uses the **insertMany**
+method to add three documents to the **documents** collection.
+
+```js
+const insertResult = await collection.insertMany([{ a: 1 }, { a: 2 }, { a: 3 }]);
+console.log('Inserted documents =>', insertResult);
+```
+
+The **insertMany** command returns an object with information about the insert operations.
+
+### Find All Documents
+
+Add a query that returns all the documents.
+
+```js
+const findResult = await collection.find({}).toArray();
+console.log('Found documents =>', findResult);
+```
+
+This query returns all the documents in the **documents** collection.
+If you add this below the insertMany example you'll see the document's you've inserted.
+
+### Find Documents with a Query Filter
+
+Add a query filter to find only documents which meet the query criteria.
+
+```js
+const filteredDocs = await collection.find({ a: 3 }).toArray();
+console.log('Found documents filtered by { a: 3 } =>', filteredDocs);
+```
+
+Only the documents which match `'a' : 3` should be returned.
+
+### Update a document
+
+The following operation updates a document in the **documents** collection.
+
+```js
+const updateResult = await collection.updateOne({ a: 3 }, { $set: { b: 1 } });
+console.log('Updated documents =>', updateResult);
+```
+
+The method updates the first document where the field **a** is equal to **3** by adding a new field **b** to the document set to **1**. `updateResult` contains information about whether there was a matching document to update or not.
+
+### Remove a document
+
+Remove the document where the field **a** is equal to **3**.
+
+```js
+const deleteResult = await collection.deleteMany({ a: 3 });
+console.log('Deleted documents =>', deleteResult);
+```
+
+### Index a Collection
+
+[Indexes](https://docs.mongodb.org/manual/indexes/) can improve your application's
+performance. The following function creates an index on the **a** field in the
+**documents** collection.
+
+```js
+const indexName = await collection.createIndex({ a: 1 });
+console.log('index name =', indexName);
+```
+
+For more detailed information, see the [indexing strategies page](https://docs.mongodb.com/manual/applications/indexes/).
+
+## Error Handling
+
+If you need to filter certain errors from our driver we have a helpful tree of errors described in [etc/notes/errors.md](https://github.com/mongodb/node-mongodb-native/blob/HEAD/etc/notes/errors.md).
+
+It is our recommendation to use `instanceof` checks on errors and to avoid relying on parsing `error.message` and `error.name` strings in your code.
+We guarantee `instanceof` checks will pass according to semver guidelines, but errors may be sub-classed or their messages may change at any time, even patch releases, as we see fit to increase the helpfulness of the errors.
+
+Any new errors we add to the driver will directly extend an existing error class and no existing error will be moved to a different parent class outside of a major release.
+This means `instanceof` will always be able to accurately capture the errors that our driver throws (or returns in a callback).
+
+```typescript
+const client = new MongoClient(url);
+await client.connect();
+const collection = client.db().collection('collection');
+
+try {
+  await collection.insertOne({ _id: 1 });
+  await collection.insertOne({ _id: 1 }); // duplicate key error
+} catch (error) {
+  if (error instanceof MongoServerError) {
+    console.log(`Error worth logging: ${error}`); // special case for some reason
+  }
+  throw error; // still want to crash
+}
+```
+
+## Next Steps
+
+- [MongoDB Documentation](https://docs.mongodb.com/manual/)
+- [MongoDB Node Driver Documentation](https://docs.mongodb.com/drivers/node/)
+- [Read about Schemas](https://docs.mongodb.com/manual/core/data-modeling-introduction/)
+- [Star us on GitHub](https://github.com/mongodb/node-mongodb-native)
+
+## License
+
+[Apache 2.0](LICENSE.md)
+
+© 2009-2012 Christian Amor Kvalheim
+© 2012-present MongoDB [Contributors](https://github.com/mongodb/node-mongodb-native/blob/HEAD/CONTRIBUTORS.md)
diff --git a/node_modules/mongodb/etc/prepare.js b/node_modules/mongodb/etc/prepare.js
new file mode 100644
index 000000000..2039d0b33
--- /dev/null
+++ b/node_modules/mongodb/etc/prepare.js
@@ -0,0 +1,12 @@
+#! /usr/bin/env node
+var cp = require('child_process');
+var fs = require('fs');
+var os = require('os');
+
+if (fs.existsSync('src')) {
+  cp.spawn('npm', ['run', 'build:dts'], { stdio: 'inherit', shell: os.platform() === 'win32' });
+} else {
+  if (!fs.existsSync('lib')) {
+    console.warn('MongoDB: No compiled javascript present, the driver is not installed correctly.');
+  }
+}
diff --git a/node_modules/mongodb/lib/admin.js b/node_modules/mongodb/lib/admin.js
new file mode 100644
index 000000000..b872b998b
--- /dev/null
+++ b/node_modules/mongodb/lib/admin.js
@@ -0,0 +1,112 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Admin = void 0;
+const add_user_1 = require("./operations/add_user");
+const execute_operation_1 = require("./operations/execute_operation");
+const list_databases_1 = require("./operations/list_databases");
+const remove_user_1 = require("./operations/remove_user");
+const run_command_1 = require("./operations/run_command");
+const validate_collection_1 = require("./operations/validate_collection");
+/**
+ * The **Admin** class is an internal class that allows convenient access to
+ * the admin functionality and commands for MongoDB.
+ *
+ * **ADMIN Cannot directly be instantiated**
+ * @public
+ *
+ * @example
+ * ```ts
+ * import { MongoClient } from 'mongodb';
+ *
+ * const client = new MongoClient('mongodb://localhost:27017');
+ * const admin = client.db().admin();
+ * const dbInfo = await admin.listDatabases();
+ * for (const db of dbInfo.databases) {
+ *   console.log(db.name);
+ * }
+ * ```
+ */
+class Admin {
+    /**
+     * Create a new Admin instance
+     * @internal
+     */
+    constructor(db) {
+        this.s = { db };
+    }
+    command(command, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = Object.assign({ dbName: 'admin' }, options);
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new run_command_1.RunCommandOperation(this.s.db, command, options), callback);
+    }
+    buildInfo(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.command({ buildinfo: 1 }, options, callback);
+    }
+    serverInfo(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.command({ buildinfo: 1 }, options, callback);
+    }
+    serverStatus(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.command({ serverStatus: 1 }, options, callback);
+    }
+    ping(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.command({ ping: 1 }, options, callback);
+    }
+    addUser(username, password, options, callback) {
+        if (typeof password === 'function') {
+            (callback = password), (password = undefined), (options = {});
+        }
+        else if (typeof password !== 'string') {
+            if (typeof options === 'function') {
+                (callback = options), (options = password), (password = undefined);
+            }
+            else {
+                (options = password), (callback = undefined), (password = undefined);
+            }
+        }
+        else {
+            if (typeof options === 'function')
+                (callback = options), (options = {});
+        }
+        options = Object.assign({ dbName: 'admin' }, options);
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new add_user_1.AddUserOperation(this.s.db, username, password, options), callback);
+    }
+    removeUser(username, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = Object.assign({ dbName: 'admin' }, options);
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new remove_user_1.RemoveUserOperation(this.s.db, username, options), callback);
+    }
+    validateCollection(collectionName, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new validate_collection_1.ValidateCollectionOperation(this, collectionName, options), callback);
+    }
+    listDatabases(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new list_databases_1.ListDatabasesOperation(this.s.db, options), callback);
+    }
+    replSetGetStatus(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.command({ replSetGetStatus: 1 }, options, callback);
+    }
+}
+exports.Admin = Admin;
+//# sourceMappingURL=admin.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/admin.js.map b/node_modules/mongodb/lib/admin.js.map
new file mode 100644
index 000000000..4fce20809
--- /dev/null
+++ b/node_modules/mongodb/lib/admin.js.map
@@ -0,0 +1 @@
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diff --git a/node_modules/mongodb/lib/bson.js b/node_modules/mongodb/lib/bson.js
new file mode 100644
index 000000000..c311e59e9
--- /dev/null
+++ b/node_modules/mongodb/lib/bson.js
@@ -0,0 +1,71 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.resolveBSONOptions = exports.pluckBSONSerializeOptions = exports.BSON = exports.Timestamp = exports.ObjectId = exports.MinKey = exports.MaxKey = exports.Map = exports.Long = exports.Int32 = exports.Double = exports.Decimal128 = exports.DBRef = exports.Code = exports.BSONSymbol = exports.BSONRegExp = exports.Binary = exports.calculateObjectSize = exports.serialize = exports.deserialize = void 0;
+/** @internal */
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+let BSON = require('bson');
+exports.BSON = BSON;
+try {
+    // Ensure you always wrap an optional require in the try block NODE-3199
+    exports.BSON = BSON = require('bson-ext');
+}
+catch { } // eslint-disable-line
+/** @internal */
+exports.deserialize = BSON.deserialize;
+/** @internal */
+exports.serialize = BSON.serialize;
+/** @internal */
+exports.calculateObjectSize = BSON.calculateObjectSize;
+var bson_1 = require("bson");
+Object.defineProperty(exports, "Binary", { enumerable: true, get: function () { return bson_1.Binary; } });
+Object.defineProperty(exports, "BSONRegExp", { enumerable: true, get: function () { return bson_1.BSONRegExp; } });
+Object.defineProperty(exports, "BSONSymbol", { enumerable: true, get: function () { return bson_1.BSONSymbol; } });
+Object.defineProperty(exports, "Code", { enumerable: true, get: function () { return bson_1.Code; } });
+Object.defineProperty(exports, "DBRef", { enumerable: true, get: function () { return bson_1.DBRef; } });
+Object.defineProperty(exports, "Decimal128", { enumerable: true, get: function () { return bson_1.Decimal128; } });
+Object.defineProperty(exports, "Double", { enumerable: true, get: function () { return bson_1.Double; } });
+Object.defineProperty(exports, "Int32", { enumerable: true, get: function () { return bson_1.Int32; } });
+Object.defineProperty(exports, "Long", { enumerable: true, get: function () { return bson_1.Long; } });
+Object.defineProperty(exports, "Map", { enumerable: true, get: function () { return bson_1.Map; } });
+Object.defineProperty(exports, "MaxKey", { enumerable: true, get: function () { return bson_1.MaxKey; } });
+Object.defineProperty(exports, "MinKey", { enumerable: true, get: function () { return bson_1.MinKey; } });
+Object.defineProperty(exports, "ObjectId", { enumerable: true, get: function () { return bson_1.ObjectId; } });
+Object.defineProperty(exports, "Timestamp", { enumerable: true, get: function () { return bson_1.Timestamp; } });
+function pluckBSONSerializeOptions(options) {
+    const { fieldsAsRaw, promoteValues, promoteBuffers, promoteLongs, serializeFunctions, ignoreUndefined, bsonRegExp, raw, enableUtf8Validation } = options;
+    return {
+        fieldsAsRaw,
+        promoteValues,
+        promoteBuffers,
+        promoteLongs,
+        serializeFunctions,
+        ignoreUndefined,
+        bsonRegExp,
+        raw,
+        enableUtf8Validation
+    };
+}
+exports.pluckBSONSerializeOptions = pluckBSONSerializeOptions;
+/**
+ * Merge the given BSONSerializeOptions, preferring options over the parent's options, and
+ * substituting defaults for values not set.
+ *
+ * @internal
+ */
+function resolveBSONOptions(options, parent) {
+    var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m, _o, _p, _q, _r, _s, _t;
+    const parentOptions = parent === null || parent === void 0 ? void 0 : parent.bsonOptions;
+    return {
+        raw: (_b = (_a = options === null || options === void 0 ? void 0 : options.raw) !== null && _a !== void 0 ? _a : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.raw) !== null && _b !== void 0 ? _b : false,
+        promoteLongs: (_d = (_c = options === null || options === void 0 ? void 0 : options.promoteLongs) !== null && _c !== void 0 ? _c : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.promoteLongs) !== null && _d !== void 0 ? _d : true,
+        promoteValues: (_f = (_e = options === null || options === void 0 ? void 0 : options.promoteValues) !== null && _e !== void 0 ? _e : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.promoteValues) !== null && _f !== void 0 ? _f : true,
+        promoteBuffers: (_h = (_g = options === null || options === void 0 ? void 0 : options.promoteBuffers) !== null && _g !== void 0 ? _g : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.promoteBuffers) !== null && _h !== void 0 ? _h : false,
+        ignoreUndefined: (_k = (_j = options === null || options === void 0 ? void 0 : options.ignoreUndefined) !== null && _j !== void 0 ? _j : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.ignoreUndefined) !== null && _k !== void 0 ? _k : false,
+        bsonRegExp: (_m = (_l = options === null || options === void 0 ? void 0 : options.bsonRegExp) !== null && _l !== void 0 ? _l : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.bsonRegExp) !== null && _m !== void 0 ? _m : false,
+        serializeFunctions: (_p = (_o = options === null || options === void 0 ? void 0 : options.serializeFunctions) !== null && _o !== void 0 ? _o : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.serializeFunctions) !== null && _p !== void 0 ? _p : false,
+        fieldsAsRaw: (_r = (_q = options === null || options === void 0 ? void 0 : options.fieldsAsRaw) !== null && _q !== void 0 ? _q : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.fieldsAsRaw) !== null && _r !== void 0 ? _r : {},
+        enableUtf8Validation: (_t = (_s = options === null || options === void 0 ? void 0 : options.enableUtf8Validation) !== null && _s !== void 0 ? _s : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.enableUtf8Validation) !== null && _t !== void 0 ? _t : true
+    };
+}
+exports.resolveBSONOptions = resolveBSONOptions;
+//# sourceMappingURL=bson.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/bson.js.map b/node_modules/mongodb/lib/bson.js.map
new file mode 100644
index 000000000..7e9c98085
--- /dev/null
+++ b/node_modules/mongodb/lib/bson.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"bson.js","sourceRoot":"","sources":["../src/bson.ts"],"names":[],"mappings":";;;AAQA,gBAAgB;AAChB,8DAA8D;AAC9D,IAAI,IAAI,GAAG,OAAO,CAAC,MAAM,CAAC,CAAC;AAiClB,oBAAI;AA/Bb,IAAI;IACF,wEAAwE;IACxE,eAAA,IAAI,GAAG,OAAO,CAAC,UAAU,CAAC,CAAC;CAC5B;AAAC,MAAM,GAAE,CAAC,sBAAsB;AAEjC,gBAAgB;AACH,QAAA,WAAW,GAAG,IAAI,CAAC,WAAmC,CAAC;AACpE,gBAAgB;AACH,QAAA,SAAS,GAAG,IAAI,CAAC,SAA+B,CAAC;AAC9D,gBAAgB;AACH,QAAA,mBAAmB,GAAG,IAAI,CAAC,mBAAmD,CAAC;AAE5F,6BAgBc;AAfZ,8FAAA,MAAM,OAAA;AACN,kGAAA,UAAU,OAAA;AACV,kGAAA,UAAU,OAAA;AACV,4FAAA,IAAI,OAAA;AACJ,6FAAA,KAAK,OAAA;AACL,kGAAA,UAAU,OAAA;AAEV,8FAAA,MAAM,OAAA;AACN,6FAAA,KAAK,OAAA;AACL,4FAAA,IAAI,OAAA;AACJ,2FAAA,GAAG,OAAA;AACH,8FAAA,MAAM,OAAA;AACN,8FAAA,MAAM,OAAA;AACN,gGAAA,QAAQ,OAAA;AACR,iGAAA,SAAS,OAAA;AA4BX,SAAgB,yBAAyB,CAAC,OAA6B;IACrE,MAAM,EACJ,WAAW,EACX,aAAa,EACb,cAAc,EACd,YAAY,EACZ,kBAAkB,EAClB,eAAe,EACf,UAAU,EACV,GAAG,EACH,oBAAoB,EACrB,GAAG,OAAO,CAAC;IACZ,OAAO;QACL,WAAW;QACX,aAAa;QACb,cAAc;QACd,YAAY;QACZ,kBAAkB;QAClB,eAAe;QACf,UAAU;QACV,GAAG;QACH,oBAAoB;KACrB,CAAC;AACJ,CAAC;AAvBD,8DAuBC;AAED;;;;;GAKG;AACH,SAAgB,kBAAkB,CAChC,OAA8B,EAC9B,MAA+C;;IAE/C,MAAM,aAAa,GAAG,MAAM,aAAN,MAAM,uBAAN,MAAM,CAAE,WAAW,CAAC;IAC1C,OAAO;QACL,GAAG,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,GAAG,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,GAAG,mCAAI,KAAK;QAChD,YAAY,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,YAAY,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,YAAY,mCAAI,IAAI;QAC1E,aAAa,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,aAAa,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,aAAa,mCAAI,IAAI;QAC7E,cAAc,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,cAAc,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,cAAc,mCAAI,KAAK;QACjF,eAAe,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,eAAe,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,eAAe,mCAAI,KAAK;QACpF,UAAU,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,UAAU,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,UAAU,mCAAI,KAAK;QACrE,kBAAkB,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,kBAAkB,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,kBAAkB,mCAAI,KAAK;QAC7F,WAAW,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,WAAW,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,WAAW,mCAAI,EAAE;QACrE,oBAAoB,EAClB,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,oBAAoB,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,oBAAoB,mCAAI,IAAI;KAC/E,CAAC;AACJ,CAAC;AAjBD,gDAiBC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/bulk/common.js b/node_modules/mongodb/lib/bulk/common.js
new file mode 100644
index 000000000..b0a5c4c31
--- /dev/null
+++ b/node_modules/mongodb/lib/bulk/common.js
@@ -0,0 +1,976 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.BulkOperationBase = exports.FindOperators = exports.MongoBulkWriteError = exports.mergeBatchResults = exports.WriteError = exports.WriteConcernError = exports.BulkWriteResult = exports.Batch = exports.BatchType = void 0;
+const bson_1 = require("../bson");
+const error_1 = require("../error");
+const delete_1 = require("../operations/delete");
+const execute_operation_1 = require("../operations/execute_operation");
+const insert_1 = require("../operations/insert");
+const operation_1 = require("../operations/operation");
+const update_1 = require("../operations/update");
+const promise_provider_1 = require("../promise_provider");
+const utils_1 = require("../utils");
+const write_concern_1 = require("../write_concern");
+/** @internal */
+const kServerError = Symbol('serverError');
+/** @public */
+exports.BatchType = Object.freeze({
+    INSERT: 1,
+    UPDATE: 2,
+    DELETE: 3
+});
+/**
+ * Keeps the state of a unordered batch so we can rewrite the results
+ * correctly after command execution
+ *
+ * @public
+ */
+class Batch {
+    constructor(batchType, originalZeroIndex) {
+        this.originalZeroIndex = originalZeroIndex;
+        this.currentIndex = 0;
+        this.originalIndexes = [];
+        this.batchType = batchType;
+        this.operations = [];
+        this.size = 0;
+        this.sizeBytes = 0;
+    }
+}
+exports.Batch = Batch;
+/**
+ * @public
+ * The result of a bulk write.
+ */
+class BulkWriteResult {
+    /**
+     * Create a new BulkWriteResult instance
+     * @internal
+     */
+    constructor(bulkResult) {
+        this.result = bulkResult;
+    }
+    /** Number of documents inserted. */
+    get insertedCount() {
+        var _a;
+        return (_a = this.result.nInserted) !== null && _a !== void 0 ? _a : 0;
+    }
+    /** Number of documents matched for update. */
+    get matchedCount() {
+        var _a;
+        return (_a = this.result.nMatched) !== null && _a !== void 0 ? _a : 0;
+    }
+    /** Number of documents modified. */
+    get modifiedCount() {
+        var _a;
+        return (_a = this.result.nModified) !== null && _a !== void 0 ? _a : 0;
+    }
+    /** Number of documents deleted. */
+    get deletedCount() {
+        var _a;
+        return (_a = this.result.nRemoved) !== null && _a !== void 0 ? _a : 0;
+    }
+    /** Number of documents upserted. */
+    get upsertedCount() {
+        var _a;
+        return (_a = this.result.upserted.length) !== null && _a !== void 0 ? _a : 0;
+    }
+    /** Upserted document generated Id's, hash key is the index of the originating operation */
+    get upsertedIds() {
+        var _a;
+        const upserted = {};
+        for (const doc of (_a = this.result.upserted) !== null && _a !== void 0 ? _a : []) {
+            upserted[doc.index] = doc._id;
+        }
+        return upserted;
+    }
+    /** Inserted document generated Id's, hash key is the index of the originating operation */
+    get insertedIds() {
+        var _a;
+        const inserted = {};
+        for (const doc of (_a = this.result.insertedIds) !== null && _a !== void 0 ? _a : []) {
+            inserted[doc.index] = doc._id;
+        }
+        return inserted;
+    }
+    /** Evaluates to true if the bulk operation correctly executes */
+    get ok() {
+        return this.result.ok;
+    }
+    /** The number of inserted documents */
+    get nInserted() {
+        return this.result.nInserted;
+    }
+    /** Number of upserted documents */
+    get nUpserted() {
+        return this.result.nUpserted;
+    }
+    /** Number of matched documents */
+    get nMatched() {
+        return this.result.nMatched;
+    }
+    /** Number of documents updated physically on disk */
+    get nModified() {
+        return this.result.nModified;
+    }
+    /** Number of removed documents */
+    get nRemoved() {
+        return this.result.nRemoved;
+    }
+    /** Returns an array of all inserted ids */
+    getInsertedIds() {
+        return this.result.insertedIds;
+    }
+    /** Returns an array of all upserted ids */
+    getUpsertedIds() {
+        return this.result.upserted;
+    }
+    /** Returns the upserted id at the given index */
+    getUpsertedIdAt(index) {
+        return this.result.upserted[index];
+    }
+    /** Returns raw internal result */
+    getRawResponse() {
+        return this.result;
+    }
+    /** Returns true if the bulk operation contains a write error */
+    hasWriteErrors() {
+        return this.result.writeErrors.length > 0;
+    }
+    /** Returns the number of write errors off the bulk operation */
+    getWriteErrorCount() {
+        return this.result.writeErrors.length;
+    }
+    /** Returns a specific write error object */
+    getWriteErrorAt(index) {
+        return index < this.result.writeErrors.length ? this.result.writeErrors[index] : undefined;
+    }
+    /** Retrieve all write errors */
+    getWriteErrors() {
+        return this.result.writeErrors;
+    }
+    /** Retrieve lastOp if available */
+    getLastOp() {
+        return this.result.opTime;
+    }
+    /** Retrieve the write concern error if one exists */
+    getWriteConcernError() {
+        if (this.result.writeConcernErrors.length === 0) {
+            return;
+        }
+        else if (this.result.writeConcernErrors.length === 1) {
+            // Return the error
+            return this.result.writeConcernErrors[0];
+        }
+        else {
+            // Combine the errors
+            let errmsg = '';
+            for (let i = 0; i < this.result.writeConcernErrors.length; i++) {
+                const err = this.result.writeConcernErrors[i];
+                errmsg = errmsg + err.errmsg;
+                // TODO: Something better
+                if (i === 0)
+                    errmsg = errmsg + ' and ';
+            }
+            return new WriteConcernError({ errmsg, code: error_1.MONGODB_ERROR_CODES.WriteConcernFailed });
+        }
+    }
+    toJSON() {
+        return this.result;
+    }
+    toString() {
+        return `BulkWriteResult(${this.toJSON()})`;
+    }
+    isOk() {
+        return this.result.ok === 1;
+    }
+}
+exports.BulkWriteResult = BulkWriteResult;
+/**
+ * An error representing a failure by the server to apply the requested write concern to the bulk operation.
+ * @public
+ * @category Error
+ */
+class WriteConcernError {
+    constructor(error) {
+        this[kServerError] = error;
+    }
+    /** Write concern error code. */
+    get code() {
+        return this[kServerError].code;
+    }
+    /** Write concern error message. */
+    get errmsg() {
+        return this[kServerError].errmsg;
+    }
+    /** Write concern error info. */
+    get errInfo() {
+        return this[kServerError].errInfo;
+    }
+    /** @deprecated The `err` prop that contained a MongoServerError has been deprecated. */
+    get err() {
+        return this[kServerError];
+    }
+    toJSON() {
+        return this[kServerError];
+    }
+    toString() {
+        return `WriteConcernError(${this.errmsg})`;
+    }
+}
+exports.WriteConcernError = WriteConcernError;
+/**
+ * An error that occurred during a BulkWrite on the server.
+ * @public
+ * @category Error
+ */
+class WriteError {
+    constructor(err) {
+        this.err = err;
+    }
+    /** WriteError code. */
+    get code() {
+        return this.err.code;
+    }
+    /** WriteError original bulk operation index. */
+    get index() {
+        return this.err.index;
+    }
+    /** WriteError message. */
+    get errmsg() {
+        return this.err.errmsg;
+    }
+    /** WriteError details. */
+    get errInfo() {
+        return this.err.errInfo;
+    }
+    /** Returns the underlying operation that caused the error */
+    getOperation() {
+        return this.err.op;
+    }
+    toJSON() {
+        return { code: this.err.code, index: this.err.index, errmsg: this.err.errmsg, op: this.err.op };
+    }
+    toString() {
+        return `WriteError(${JSON.stringify(this.toJSON())})`;
+    }
+}
+exports.WriteError = WriteError;
+/** Converts the number to a Long or returns it. */
+function longOrConvert(value) {
+    // TODO(NODE-2674): Preserve int64 sent from MongoDB
+    return typeof value === 'number' ? bson_1.Long.fromNumber(value) : value;
+}
+/** Merges results into shared data structure */
+function mergeBatchResults(batch, bulkResult, err, result) {
+    // If we have an error set the result to be the err object
+    if (err) {
+        result = err;
+    }
+    else if (result && result.result) {
+        result = result.result;
+    }
+    if (result == null) {
+        return;
+    }
+    // Do we have a top level error stop processing and return
+    if (result.ok === 0 && bulkResult.ok === 1) {
+        bulkResult.ok = 0;
+        const writeError = {
+            index: 0,
+            code: result.code || 0,
+            errmsg: result.message,
+            errInfo: result.errInfo,
+            op: batch.operations[0]
+        };
+        bulkResult.writeErrors.push(new WriteError(writeError));
+        return;
+    }
+    else if (result.ok === 0 && bulkResult.ok === 0) {
+        return;
+    }
+    // The server write command specification states that lastOp is an optional
+    // mongod only field that has a type of timestamp. Across various scarce specs
+    // where opTime is mentioned, it is an "opaque" object that can have a "ts" and
+    // "t" field with Timestamp and Long as their types respectively.
+    // The "lastOp" field of the bulk write result is never mentioned in the driver
+    // specifications or the bulk write spec, so we should probably just keep its
+    // value consistent since it seems to vary.
+    // See: https://github.com/mongodb/specifications/blob/master/source/driver-bulk-update.rst#results-object
+    if (result.opTime || result.lastOp) {
+        let opTime = result.lastOp || result.opTime;
+        // If the opTime is a Timestamp, convert it to a consistent format to be
+        // able to compare easily. Converting to the object from a timestamp is
+        // much more straightforward than the other direction.
+        if (opTime._bsontype === 'Timestamp') {
+            opTime = { ts: opTime, t: bson_1.Long.ZERO };
+        }
+        // If there's no lastOp, just set it.
+        if (!bulkResult.opTime) {
+            bulkResult.opTime = opTime;
+        }
+        else {
+            // First compare the ts values and set if the opTimeTS value is greater.
+            const lastOpTS = longOrConvert(bulkResult.opTime.ts);
+            const opTimeTS = longOrConvert(opTime.ts);
+            if (opTimeTS.greaterThan(lastOpTS)) {
+                bulkResult.opTime = opTime;
+            }
+            else if (opTimeTS.equals(lastOpTS)) {
+                // If the ts values are equal, then compare using the t values.
+                const lastOpT = longOrConvert(bulkResult.opTime.t);
+                const opTimeT = longOrConvert(opTime.t);
+                if (opTimeT.greaterThan(lastOpT)) {
+                    bulkResult.opTime = opTime;
+                }
+            }
+        }
+    }
+    // If we have an insert Batch type
+    if (isInsertBatch(batch) && result.n) {
+        bulkResult.nInserted = bulkResult.nInserted + result.n;
+    }
+    // If we have an insert Batch type
+    if (isDeleteBatch(batch) && result.n) {
+        bulkResult.nRemoved = bulkResult.nRemoved + result.n;
+    }
+    let nUpserted = 0;
+    // We have an array of upserted values, we need to rewrite the indexes
+    if (Array.isArray(result.upserted)) {
+        nUpserted = result.upserted.length;
+        for (let i = 0; i < result.upserted.length; i++) {
+            bulkResult.upserted.push({
+                index: result.upserted[i].index + batch.originalZeroIndex,
+                _id: result.upserted[i]._id
+            });
+        }
+    }
+    else if (result.upserted) {
+        nUpserted = 1;
+        bulkResult.upserted.push({
+            index: batch.originalZeroIndex,
+            _id: result.upserted
+        });
+    }
+    // If we have an update Batch type
+    if (isUpdateBatch(batch) && result.n) {
+        const nModified = result.nModified;
+        bulkResult.nUpserted = bulkResult.nUpserted + nUpserted;
+        bulkResult.nMatched = bulkResult.nMatched + (result.n - nUpserted);
+        if (typeof nModified === 'number') {
+            bulkResult.nModified = bulkResult.nModified + nModified;
+        }
+        else {
+            bulkResult.nModified = 0;
+        }
+    }
+    if (Array.isArray(result.writeErrors)) {
+        for (let i = 0; i < result.writeErrors.length; i++) {
+            const writeError = {
+                index: batch.originalIndexes[result.writeErrors[i].index],
+                code: result.writeErrors[i].code,
+                errmsg: result.writeErrors[i].errmsg,
+                errInfo: result.writeErrors[i].errInfo,
+                op: batch.operations[result.writeErrors[i].index]
+            };
+            bulkResult.writeErrors.push(new WriteError(writeError));
+        }
+    }
+    if (result.writeConcernError) {
+        bulkResult.writeConcernErrors.push(new WriteConcernError(result.writeConcernError));
+    }
+}
+exports.mergeBatchResults = mergeBatchResults;
+function executeCommands(bulkOperation, options, callback) {
+    if (bulkOperation.s.batches.length === 0) {
+        return callback(undefined, new BulkWriteResult(bulkOperation.s.bulkResult));
+    }
+    const batch = bulkOperation.s.batches.shift();
+    function resultHandler(err, result) {
+        // Error is a driver related error not a bulk op error, return early
+        if (err && 'message' in err && !(err instanceof error_1.MongoWriteConcernError)) {
+            return callback(new MongoBulkWriteError(err, new BulkWriteResult(bulkOperation.s.bulkResult)));
+        }
+        if (err instanceof error_1.MongoWriteConcernError) {
+            return handleMongoWriteConcernError(batch, bulkOperation.s.bulkResult, err, callback);
+        }
+        // Merge the results together
+        const writeResult = new BulkWriteResult(bulkOperation.s.bulkResult);
+        const mergeResult = mergeBatchResults(batch, bulkOperation.s.bulkResult, err, result);
+        if (mergeResult != null) {
+            return callback(undefined, writeResult);
+        }
+        if (bulkOperation.handleWriteError(callback, writeResult))
+            return;
+        // Execute the next command in line
+        executeCommands(bulkOperation, options, callback);
+    }
+    const finalOptions = (0, utils_1.resolveOptions)(bulkOperation, {
+        ...options,
+        ordered: bulkOperation.isOrdered
+    });
+    if (finalOptions.bypassDocumentValidation !== true) {
+        delete finalOptions.bypassDocumentValidation;
+    }
+    // Set an operationIf if provided
+    if (bulkOperation.operationId) {
+        resultHandler.operationId = bulkOperation.operationId;
+    }
+    // Is the bypassDocumentValidation options specific
+    if (bulkOperation.s.bypassDocumentValidation === true) {
+        finalOptions.bypassDocumentValidation = true;
+    }
+    // Is the checkKeys option disabled
+    if (bulkOperation.s.checkKeys === false) {
+        finalOptions.checkKeys = false;
+    }
+    if (finalOptions.retryWrites) {
+        if (isUpdateBatch(batch)) {
+            finalOptions.retryWrites = finalOptions.retryWrites && !batch.operations.some(op => op.multi);
+        }
+        if (isDeleteBatch(batch)) {
+            finalOptions.retryWrites =
+                finalOptions.retryWrites && !batch.operations.some(op => op.limit === 0);
+        }
+    }
+    try {
+        if (isInsertBatch(batch)) {
+            (0, execute_operation_1.executeOperation)(bulkOperation.s.collection.s.db.s.client, new insert_1.InsertOperation(bulkOperation.s.namespace, batch.operations, finalOptions), resultHandler);
+        }
+        else if (isUpdateBatch(batch)) {
+            (0, execute_operation_1.executeOperation)(bulkOperation.s.collection.s.db.s.client, new update_1.UpdateOperation(bulkOperation.s.namespace, batch.operations, finalOptions), resultHandler);
+        }
+        else if (isDeleteBatch(batch)) {
+            (0, execute_operation_1.executeOperation)(bulkOperation.s.collection.s.db.s.client, new delete_1.DeleteOperation(bulkOperation.s.namespace, batch.operations, finalOptions), resultHandler);
+        }
+    }
+    catch (err) {
+        // Force top level error
+        err.ok = 0;
+        // Merge top level error and return
+        mergeBatchResults(batch, bulkOperation.s.bulkResult, err, undefined);
+        callback();
+    }
+}
+function handleMongoWriteConcernError(batch, bulkResult, err, callback) {
+    var _a, _b;
+    mergeBatchResults(batch, bulkResult, undefined, err.result);
+    callback(new MongoBulkWriteError({
+        message: (_a = err.result) === null || _a === void 0 ? void 0 : _a.writeConcernError.errmsg,
+        code: (_b = err.result) === null || _b === void 0 ? void 0 : _b.writeConcernError.result
+    }, new BulkWriteResult(bulkResult)));
+}
+/**
+ * An error indicating an unsuccessful Bulk Write
+ * @public
+ * @category Error
+ */
+class MongoBulkWriteError extends error_1.MongoServerError {
+    /** Creates a new MongoBulkWriteError */
+    constructor(error, result) {
+        var _a;
+        super(error);
+        this.writeErrors = [];
+        if (error instanceof WriteConcernError)
+            this.err = error;
+        else if (!(error instanceof Error)) {
+            this.message = error.message;
+            this.code = error.code;
+            this.writeErrors = (_a = error.writeErrors) !== null && _a !== void 0 ? _a : [];
+        }
+        this.result = result;
+        Object.assign(this, error);
+    }
+    get name() {
+        return 'MongoBulkWriteError';
+    }
+    /** Number of documents inserted. */
+    get insertedCount() {
+        return this.result.insertedCount;
+    }
+    /** Number of documents matched for update. */
+    get matchedCount() {
+        return this.result.matchedCount;
+    }
+    /** Number of documents modified. */
+    get modifiedCount() {
+        return this.result.modifiedCount;
+    }
+    /** Number of documents deleted. */
+    get deletedCount() {
+        return this.result.deletedCount;
+    }
+    /** Number of documents upserted. */
+    get upsertedCount() {
+        return this.result.upsertedCount;
+    }
+    /** Inserted document generated Id's, hash key is the index of the originating operation */
+    get insertedIds() {
+        return this.result.insertedIds;
+    }
+    /** Upserted document generated Id's, hash key is the index of the originating operation */
+    get upsertedIds() {
+        return this.result.upsertedIds;
+    }
+}
+exports.MongoBulkWriteError = MongoBulkWriteError;
+/**
+ * A builder object that is returned from {@link BulkOperationBase#find}.
+ * Is used to build a write operation that involves a query filter.
+ *
+ * @public
+ */
+class FindOperators {
+    /**
+     * Creates a new FindOperators object.
+     * @internal
+     */
+    constructor(bulkOperation) {
+        this.bulkOperation = bulkOperation;
+    }
+    /** Add a multiple update operation to the bulk operation */
+    update(updateDocument) {
+        const currentOp = buildCurrentOp(this.bulkOperation);
+        return this.bulkOperation.addToOperationsList(exports.BatchType.UPDATE, (0, update_1.makeUpdateStatement)(currentOp.selector, updateDocument, {
+            ...currentOp,
+            multi: true
+        }));
+    }
+    /** Add a single update operation to the bulk operation */
+    updateOne(updateDocument) {
+        if (!(0, utils_1.hasAtomicOperators)(updateDocument)) {
+            throw new error_1.MongoInvalidArgumentError('Update document requires atomic operators');
+        }
+        const currentOp = buildCurrentOp(this.bulkOperation);
+        return this.bulkOperation.addToOperationsList(exports.BatchType.UPDATE, (0, update_1.makeUpdateStatement)(currentOp.selector, updateDocument, { ...currentOp, multi: false }));
+    }
+    /** Add a replace one operation to the bulk operation */
+    replaceOne(replacement) {
+        if ((0, utils_1.hasAtomicOperators)(replacement)) {
+            throw new error_1.MongoInvalidArgumentError('Replacement document must not use atomic operators');
+        }
+        const currentOp = buildCurrentOp(this.bulkOperation);
+        return this.bulkOperation.addToOperationsList(exports.BatchType.UPDATE, (0, update_1.makeUpdateStatement)(currentOp.selector, replacement, { ...currentOp, multi: false }));
+    }
+    /** Add a delete one operation to the bulk operation */
+    deleteOne() {
+        const currentOp = buildCurrentOp(this.bulkOperation);
+        return this.bulkOperation.addToOperationsList(exports.BatchType.DELETE, (0, delete_1.makeDeleteStatement)(currentOp.selector, { ...currentOp, limit: 1 }));
+    }
+    /** Add a delete many operation to the bulk operation */
+    delete() {
+        const currentOp = buildCurrentOp(this.bulkOperation);
+        return this.bulkOperation.addToOperationsList(exports.BatchType.DELETE, (0, delete_1.makeDeleteStatement)(currentOp.selector, { ...currentOp, limit: 0 }));
+    }
+    /** Upsert modifier for update bulk operation, noting that this operation is an upsert. */
+    upsert() {
+        if (!this.bulkOperation.s.currentOp) {
+            this.bulkOperation.s.currentOp = {};
+        }
+        this.bulkOperation.s.currentOp.upsert = true;
+        return this;
+    }
+    /** Specifies the collation for the query condition. */
+    collation(collation) {
+        if (!this.bulkOperation.s.currentOp) {
+            this.bulkOperation.s.currentOp = {};
+        }
+        this.bulkOperation.s.currentOp.collation = collation;
+        return this;
+    }
+    /** Specifies arrayFilters for UpdateOne or UpdateMany bulk operations. */
+    arrayFilters(arrayFilters) {
+        if (!this.bulkOperation.s.currentOp) {
+            this.bulkOperation.s.currentOp = {};
+        }
+        this.bulkOperation.s.currentOp.arrayFilters = arrayFilters;
+        return this;
+    }
+    /** Specifies hint for the bulk operation. */
+    hint(hint) {
+        if (!this.bulkOperation.s.currentOp) {
+            this.bulkOperation.s.currentOp = {};
+        }
+        this.bulkOperation.s.currentOp.hint = hint;
+        return this;
+    }
+}
+exports.FindOperators = FindOperators;
+/**
+ * TODO(NODE-4063)
+ * BulkWrites merge complexity is implemented in executeCommands
+ * This provides a vehicle to treat bulkOperations like any other operation (hence "shim")
+ * We would like this logic to simply live inside the BulkWriteOperation class
+ * @internal
+ */
+class BulkWriteShimOperation extends operation_1.AbstractOperation {
+    constructor(bulkOperation, options) {
+        super(options);
+        this.bulkOperation = bulkOperation;
+    }
+    execute(server, session, callback) {
+        if (this.options.session == null) {
+            // An implicit session could have been created by 'executeOperation'
+            // So if we stick it on finalOptions here, each bulk operation
+            // will use this same session, it'll be passed in the same way
+            // an explicit session would be
+            this.options.session = session;
+        }
+        return executeCommands(this.bulkOperation, this.options, callback);
+    }
+}
+/** @public */
+class BulkOperationBase {
+    /**
+     * Create a new OrderedBulkOperation or UnorderedBulkOperation instance
+     * @internal
+     */
+    constructor(collection, options, isOrdered) {
+        // determine whether bulkOperation is ordered or unordered
+        this.isOrdered = isOrdered;
+        const topology = (0, utils_1.getTopology)(collection);
+        options = options == null ? {} : options;
+        // TODO Bring from driver information in hello
+        // Get the namespace for the write operations
+        const namespace = collection.s.namespace;
+        // Used to mark operation as executed
+        const executed = false;
+        // Current item
+        const currentOp = undefined;
+        // Set max byte size
+        const hello = topology.lastHello();
+        // If we have autoEncryption on, batch-splitting must be done on 2mb chunks, but single documents
+        // over 2mb are still allowed
+        const usingAutoEncryption = !!(topology.s.options && topology.s.options.autoEncrypter);
+        const maxBsonObjectSize = hello && hello.maxBsonObjectSize ? hello.maxBsonObjectSize : 1024 * 1024 * 16;
+        const maxBatchSizeBytes = usingAutoEncryption ? 1024 * 1024 * 2 : maxBsonObjectSize;
+        const maxWriteBatchSize = hello && hello.maxWriteBatchSize ? hello.maxWriteBatchSize : 1000;
+        // Calculates the largest possible size of an Array key, represented as a BSON string
+        // element. This calculation:
+        //     1 byte for BSON type
+        //     # of bytes = length of (string representation of (maxWriteBatchSize - 1))
+        //   + 1 bytes for null terminator
+        const maxKeySize = (maxWriteBatchSize - 1).toString(10).length + 2;
+        // Final options for retryable writes
+        let finalOptions = Object.assign({}, options);
+        finalOptions = (0, utils_1.applyRetryableWrites)(finalOptions, collection.s.db);
+        // Final results
+        const bulkResult = {
+            ok: 1,
+            writeErrors: [],
+            writeConcernErrors: [],
+            insertedIds: [],
+            nInserted: 0,
+            nUpserted: 0,
+            nMatched: 0,
+            nModified: 0,
+            nRemoved: 0,
+            upserted: []
+        };
+        // Internal state
+        this.s = {
+            // Final result
+            bulkResult,
+            // Current batch state
+            currentBatch: undefined,
+            currentIndex: 0,
+            // ordered specific
+            currentBatchSize: 0,
+            currentBatchSizeBytes: 0,
+            // unordered specific
+            currentInsertBatch: undefined,
+            currentUpdateBatch: undefined,
+            currentRemoveBatch: undefined,
+            batches: [],
+            // Write concern
+            writeConcern: write_concern_1.WriteConcern.fromOptions(options),
+            // Max batch size options
+            maxBsonObjectSize,
+            maxBatchSizeBytes,
+            maxWriteBatchSize,
+            maxKeySize,
+            // Namespace
+            namespace,
+            // Topology
+            topology,
+            // Options
+            options: finalOptions,
+            // BSON options
+            bsonOptions: (0, bson_1.resolveBSONOptions)(options),
+            // Current operation
+            currentOp,
+            // Executed
+            executed,
+            // Collection
+            collection,
+            // Fundamental error
+            err: undefined,
+            // check keys
+            checkKeys: typeof options.checkKeys === 'boolean' ? options.checkKeys : false
+        };
+        // bypass Validation
+        if (options.bypassDocumentValidation === true) {
+            this.s.bypassDocumentValidation = true;
+        }
+    }
+    /**
+     * Add a single insert document to the bulk operation
+     *
+     * @example
+     * ```ts
+     * const bulkOp = collection.initializeOrderedBulkOp();
+     *
+     * // Adds three inserts to the bulkOp.
+     * bulkOp
+     *   .insert({ a: 1 })
+     *   .insert({ b: 2 })
+     *   .insert({ c: 3 });
+     * await bulkOp.execute();
+     * ```
+     */
+    insert(document) {
+        if (document._id == null && !shouldForceServerObjectId(this)) {
+            document._id = new bson_1.ObjectId();
+        }
+        return this.addToOperationsList(exports.BatchType.INSERT, document);
+    }
+    /**
+     * Builds a find operation for an update/updateOne/delete/deleteOne/replaceOne.
+     * Returns a builder object used to complete the definition of the operation.
+     *
+     * @example
+     * ```ts
+     * const bulkOp = collection.initializeOrderedBulkOp();
+     *
+     * // Add an updateOne to the bulkOp
+     * bulkOp.find({ a: 1 }).updateOne({ $set: { b: 2 } });
+     *
+     * // Add an updateMany to the bulkOp
+     * bulkOp.find({ c: 3 }).update({ $set: { d: 4 } });
+     *
+     * // Add an upsert
+     * bulkOp.find({ e: 5 }).upsert().updateOne({ $set: { f: 6 } });
+     *
+     * // Add a deletion
+     * bulkOp.find({ g: 7 }).deleteOne();
+     *
+     * // Add a multi deletion
+     * bulkOp.find({ h: 8 }).delete();
+     *
+     * // Add a replaceOne
+     * bulkOp.find({ i: 9 }).replaceOne({writeConcern: { j: 10 }});
+     *
+     * // Update using a pipeline (requires Mongodb 4.2 or higher)
+     * bulk.find({ k: 11, y: { $exists: true }, z: { $exists: true } }).updateOne([
+     *   { $set: { total: { $sum: [ '$y', '$z' ] } } }
+     * ]);
+     *
+     * // All of the ops will now be executed
+     * await bulkOp.execute();
+     * ```
+     */
+    find(selector) {
+        if (!selector) {
+            throw new error_1.MongoInvalidArgumentError('Bulk find operation must specify a selector');
+        }
+        // Save a current selector
+        this.s.currentOp = {
+            selector: selector
+        };
+        return new FindOperators(this);
+    }
+    /** Specifies a raw operation to perform in the bulk write. */
+    raw(op) {
+        if (op == null || typeof op !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Operation must be an object with an operation key');
+        }
+        if ('insertOne' in op) {
+            const forceServerObjectId = shouldForceServerObjectId(this);
+            if (op.insertOne && op.insertOne.document == null) {
+                // NOTE: provided for legacy support, but this is a malformed operation
+                if (forceServerObjectId !== true && op.insertOne._id == null) {
+                    op.insertOne._id = new bson_1.ObjectId();
+                }
+                return this.addToOperationsList(exports.BatchType.INSERT, op.insertOne);
+            }
+            if (forceServerObjectId !== true && op.insertOne.document._id == null) {
+                op.insertOne.document._id = new bson_1.ObjectId();
+            }
+            return this.addToOperationsList(exports.BatchType.INSERT, op.insertOne.document);
+        }
+        if ('replaceOne' in op || 'updateOne' in op || 'updateMany' in op) {
+            if ('replaceOne' in op) {
+                if ('q' in op.replaceOne) {
+                    throw new error_1.MongoInvalidArgumentError('Raw operations are not allowed');
+                }
+                const updateStatement = (0, update_1.makeUpdateStatement)(op.replaceOne.filter, op.replaceOne.replacement, { ...op.replaceOne, multi: false });
+                if ((0, utils_1.hasAtomicOperators)(updateStatement.u)) {
+                    throw new error_1.MongoInvalidArgumentError('Replacement document must not use atomic operators');
+                }
+                return this.addToOperationsList(exports.BatchType.UPDATE, updateStatement);
+            }
+            if ('updateOne' in op) {
+                if ('q' in op.updateOne) {
+                    throw new error_1.MongoInvalidArgumentError('Raw operations are not allowed');
+                }
+                const updateStatement = (0, update_1.makeUpdateStatement)(op.updateOne.filter, op.updateOne.update, {
+                    ...op.updateOne,
+                    multi: false
+                });
+                if (!(0, utils_1.hasAtomicOperators)(updateStatement.u)) {
+                    throw new error_1.MongoInvalidArgumentError('Update document requires atomic operators');
+                }
+                return this.addToOperationsList(exports.BatchType.UPDATE, updateStatement);
+            }
+            if ('updateMany' in op) {
+                if ('q' in op.updateMany) {
+                    throw new error_1.MongoInvalidArgumentError('Raw operations are not allowed');
+                }
+                const updateStatement = (0, update_1.makeUpdateStatement)(op.updateMany.filter, op.updateMany.update, {
+                    ...op.updateMany,
+                    multi: true
+                });
+                if (!(0, utils_1.hasAtomicOperators)(updateStatement.u)) {
+                    throw new error_1.MongoInvalidArgumentError('Update document requires atomic operators');
+                }
+                return this.addToOperationsList(exports.BatchType.UPDATE, updateStatement);
+            }
+        }
+        if ('deleteOne' in op) {
+            if ('q' in op.deleteOne) {
+                throw new error_1.MongoInvalidArgumentError('Raw operations are not allowed');
+            }
+            return this.addToOperationsList(exports.BatchType.DELETE, (0, delete_1.makeDeleteStatement)(op.deleteOne.filter, { ...op.deleteOne, limit: 1 }));
+        }
+        if ('deleteMany' in op) {
+            if ('q' in op.deleteMany) {
+                throw new error_1.MongoInvalidArgumentError('Raw operations are not allowed');
+            }
+            return this.addToOperationsList(exports.BatchType.DELETE, (0, delete_1.makeDeleteStatement)(op.deleteMany.filter, { ...op.deleteMany, limit: 0 }));
+        }
+        // otherwise an unknown operation was provided
+        throw new error_1.MongoInvalidArgumentError('bulkWrite only supports insertOne, updateOne, updateMany, deleteOne, deleteMany');
+    }
+    get bsonOptions() {
+        return this.s.bsonOptions;
+    }
+    get writeConcern() {
+        return this.s.writeConcern;
+    }
+    get batches() {
+        const batches = [...this.s.batches];
+        if (this.isOrdered) {
+            if (this.s.currentBatch)
+                batches.push(this.s.currentBatch);
+        }
+        else {
+            if (this.s.currentInsertBatch)
+                batches.push(this.s.currentInsertBatch);
+            if (this.s.currentUpdateBatch)
+                batches.push(this.s.currentUpdateBatch);
+            if (this.s.currentRemoveBatch)
+                batches.push(this.s.currentRemoveBatch);
+        }
+        return batches;
+    }
+    execute(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        if (this.s.executed) {
+            return handleEarlyError(new error_1.MongoBatchReExecutionError(), callback);
+        }
+        const writeConcern = write_concern_1.WriteConcern.fromOptions(options);
+        if (writeConcern) {
+            this.s.writeConcern = writeConcern;
+        }
+        // If we have current batch
+        if (this.isOrdered) {
+            if (this.s.currentBatch)
+                this.s.batches.push(this.s.currentBatch);
+        }
+        else {
+            if (this.s.currentInsertBatch)
+                this.s.batches.push(this.s.currentInsertBatch);
+            if (this.s.currentUpdateBatch)
+                this.s.batches.push(this.s.currentUpdateBatch);
+            if (this.s.currentRemoveBatch)
+                this.s.batches.push(this.s.currentRemoveBatch);
+        }
+        // If we have no operations in the bulk raise an error
+        if (this.s.batches.length === 0) {
+            const emptyBatchError = new error_1.MongoInvalidArgumentError('Invalid BulkOperation, Batch cannot be empty');
+            return handleEarlyError(emptyBatchError, callback);
+        }
+        this.s.executed = true;
+        const finalOptions = { ...this.s.options, ...options };
+        const operation = new BulkWriteShimOperation(this, finalOptions);
+        return (0, execute_operation_1.executeOperation)(this.s.collection.s.db.s.client, operation, callback);
+    }
+    /**
+     * Handles the write error before executing commands
+     * @internal
+     */
+    handleWriteError(callback, writeResult) {
+        if (this.s.bulkResult.writeErrors.length > 0) {
+            const msg = this.s.bulkResult.writeErrors[0].errmsg
+                ? this.s.bulkResult.writeErrors[0].errmsg
+                : 'write operation failed';
+            callback(new MongoBulkWriteError({
+                message: msg,
+                code: this.s.bulkResult.writeErrors[0].code,
+                writeErrors: this.s.bulkResult.writeErrors
+            }, writeResult));
+            return true;
+        }
+        const writeConcernError = writeResult.getWriteConcernError();
+        if (writeConcernError) {
+            callback(new MongoBulkWriteError(writeConcernError, writeResult));
+            return true;
+        }
+        return false;
+    }
+}
+exports.BulkOperationBase = BulkOperationBase;
+Object.defineProperty(BulkOperationBase.prototype, 'length', {
+    enumerable: true,
+    get() {
+        return this.s.currentIndex;
+    }
+});
+/** helper function to assist with promiseOrCallback behavior */
+function handleEarlyError(err, callback) {
+    var _a;
+    if (typeof callback === 'function') {
+        callback(err);
+        return;
+    }
+    const PromiseConstructor = (_a = promise_provider_1.PromiseProvider.get()) !== null && _a !== void 0 ? _a : Promise;
+    return PromiseConstructor.reject(err);
+}
+function shouldForceServerObjectId(bulkOperation) {
+    var _a, _b;
+    if (typeof bulkOperation.s.options.forceServerObjectId === 'boolean') {
+        return bulkOperation.s.options.forceServerObjectId;
+    }
+    if (typeof ((_a = bulkOperation.s.collection.s.db.options) === null || _a === void 0 ? void 0 : _a.forceServerObjectId) === 'boolean') {
+        return (_b = bulkOperation.s.collection.s.db.options) === null || _b === void 0 ? void 0 : _b.forceServerObjectId;
+    }
+    return false;
+}
+function isInsertBatch(batch) {
+    return batch.batchType === exports.BatchType.INSERT;
+}
+function isUpdateBatch(batch) {
+    return batch.batchType === exports.BatchType.UPDATE;
+}
+function isDeleteBatch(batch) {
+    return batch.batchType === exports.BatchType.DELETE;
+}
+function buildCurrentOp(bulkOp) {
+    let { currentOp } = bulkOp.s;
+    bulkOp.s.currentOp = undefined;
+    if (!currentOp)
+        currentOp = {};
+    return currentOp;
+}
+//# sourceMappingURL=common.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/bulk/common.js.map b/node_modules/mongodb/lib/bulk/common.js.map
new file mode 100644
index 000000000..8d4d2757c
--- /dev/null
+++ b/node_modules/mongodb/lib/bulk/common.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/bulk/ordered.js b/node_modules/mongodb/lib/bulk/ordered.js
new file mode 100644
index 000000000..667f724f1
--- /dev/null
+++ b/node_modules/mongodb/lib/bulk/ordered.js
@@ -0,0 +1,67 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.OrderedBulkOperation = void 0;
+const BSON = require("../bson");
+const error_1 = require("../error");
+const common_1 = require("./common");
+/** @public */
+class OrderedBulkOperation extends common_1.BulkOperationBase {
+    /** @internal */
+    constructor(collection, options) {
+        super(collection, options, true);
+    }
+    addToOperationsList(batchType, document) {
+        // Get the bsonSize
+        const bsonSize = BSON.calculateObjectSize(document, {
+            checkKeys: false,
+            // Since we don't know what the user selected for BSON options here,
+            // err on the safe side, and check the size with ignoreUndefined: false.
+            ignoreUndefined: false
+        });
+        // Throw error if the doc is bigger than the max BSON size
+        if (bsonSize >= this.s.maxBsonObjectSize)
+            // TODO(NODE-3483): Change this to MongoBSONError
+            throw new error_1.MongoInvalidArgumentError(`Document is larger than the maximum size ${this.s.maxBsonObjectSize}`);
+        // Create a new batch object if we don't have a current one
+        if (this.s.currentBatch == null) {
+            this.s.currentBatch = new common_1.Batch(batchType, this.s.currentIndex);
+        }
+        const maxKeySize = this.s.maxKeySize;
+        // Check if we need to create a new batch
+        if (
+        // New batch if we exceed the max batch op size
+        this.s.currentBatchSize + 1 >= this.s.maxWriteBatchSize ||
+            // New batch if we exceed the maxBatchSizeBytes. Only matters if batch already has a doc,
+            // since we can't sent an empty batch
+            (this.s.currentBatchSize > 0 &&
+                this.s.currentBatchSizeBytes + maxKeySize + bsonSize >= this.s.maxBatchSizeBytes) ||
+            // New batch if the new op does not have the same op type as the current batch
+            this.s.currentBatch.batchType !== batchType) {
+            // Save the batch to the execution stack
+            this.s.batches.push(this.s.currentBatch);
+            // Create a new batch
+            this.s.currentBatch = new common_1.Batch(batchType, this.s.currentIndex);
+            // Reset the current size trackers
+            this.s.currentBatchSize = 0;
+            this.s.currentBatchSizeBytes = 0;
+        }
+        if (batchType === common_1.BatchType.INSERT) {
+            this.s.bulkResult.insertedIds.push({
+                index: this.s.currentIndex,
+                _id: document._id
+            });
+        }
+        // We have an array of documents
+        if (Array.isArray(document)) {
+            throw new error_1.MongoInvalidArgumentError('Operation passed in cannot be an Array');
+        }
+        this.s.currentBatch.originalIndexes.push(this.s.currentIndex);
+        this.s.currentBatch.operations.push(document);
+        this.s.currentBatchSize += 1;
+        this.s.currentBatchSizeBytes += maxKeySize + bsonSize;
+        this.s.currentIndex += 1;
+        return this;
+    }
+}
+exports.OrderedBulkOperation = OrderedBulkOperation;
+//# sourceMappingURL=ordered.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/bulk/ordered.js.map b/node_modules/mongodb/lib/bulk/ordered.js.map
new file mode 100644
index 000000000..3f16a9906
--- /dev/null
+++ b/node_modules/mongodb/lib/bulk/ordered.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"ordered.js","sourceRoot":"","sources":["../../src/bulk/ordered.ts"],"names":[],"mappings":";;;AACA,gCAAgC;AAEhC,oCAAqD;AAGrD,qCAAiF;AAEjF,cAAc;AACd,MAAa,oBAAqB,SAAQ,0BAAiB;IACzD,gBAAgB;IAChB,YAAY,UAAsB,EAAE,OAAyB;QAC3D,KAAK,CAAC,UAAU,EAAE,OAAO,EAAE,IAAI,CAAC,CAAC;IACnC,CAAC;IAED,mBAAmB,CACjB,SAAoB,EACpB,QAAsD;QAEtD,mBAAmB;QACnB,MAAM,QAAQ,GAAG,IAAI,CAAC,mBAAmB,CAAC,QAAQ,EAAE;YAClD,SAAS,EAAE,KAAK;YAChB,oEAAoE;YACpE,wEAAwE;YACxE,eAAe,EAAE,KAAK;SAChB,CAAC,CAAC;QAEV,0DAA0D;QAC1D,IAAI,QAAQ,IAAI,IAAI,CAAC,CAAC,CAAC,iBAAiB;YACtC,iDAAiD;YACjD,MAAM,IAAI,iCAAyB,CACjC,4CAA4C,IAAI,CAAC,CAAC,CAAC,iBAAiB,EAAE,CACvE,CAAC;QAEJ,2DAA2D;QAC3D,IAAI,IAAI,CAAC,CAAC,CAAC,YAAY,IAAI,IAAI,EAAE;YAC/B,IAAI,CAAC,CAAC,CAAC,YAAY,GAAG,IAAI,cAAK,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,CAAC;SACjE;QAED,MAAM,UAAU,GAAG,IAAI,CAAC,CAAC,CAAC,UAAU,CAAC;QAErC,yCAAyC;QACzC;QACE,+CAA+C;QAC/C,IAAI,CAAC,CAAC,CAAC,gBAAgB,GAAG,CAAC,IAAI,IAAI,CAAC,CAAC,CAAC,iBAAiB;YACvD,yFAAyF;YACzF,qCAAqC;YACrC,CAAC,IAAI,CAAC,CAAC,CAAC,gBAAgB,GAAG,CAAC;gBAC1B,IAAI,CAAC,CAAC,CAAC,qBAAqB,GAAG,UAAU,GAAG,QAAQ,IAAI,IAAI,CAAC,CAAC,CAAC,iBAAiB,CAAC;YACnF,8EAA8E;YAC9E,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,SAAS,KAAK,SAAS,EAC3C;YACA,wCAAwC;YACxC,IAAI,CAAC,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,CAAC;YAEzC,qBAAqB;YACrB,IAAI,CAAC,CAAC,CAAC,YAAY,GAAG,IAAI,cAAK,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,CAAC;YAEhE,kCAAkC;YAClC,IAAI,CAAC,CAAC,CAAC,gBAAgB,GAAG,CAAC,CAAC;YAC5B,IAAI,CAAC,CAAC,CAAC,qBAAqB,GAAG,CAAC,CAAC;SAClC;QAED,IAAI,SAAS,KAAK,kBAAS,CAAC,MAAM,EAAE;YAClC,IAAI,CAAC,CAAC,CAAC,UAAU,CAAC,WAAW,CAAC,IAAI,CAAC;gBACjC,KAAK,EAAE,IAAI,CAAC,CAAC,CAAC,YAAY;gBAC1B,GAAG,EAAG,QAAqB,CAAC,GAAG;aAChC,CAAC,CAAC;SACJ;QAED,gCAAgC;QAChC,IAAI,KAAK,CAAC,OAAO,CAAC,QAAQ,CAAC,EAAE;YAC3B,MAAM,IAAI,iCAAyB,CAAC,wCAAwC,CAAC,CAAC;SAC/E;QAED,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,eAAe,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,CAAC;QAC9D,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,UAAU,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC;QAC9C,IAAI,CAAC,CAAC,CAAC,gBAAgB,IAAI,CAAC,CAAC;QAC7B,IAAI,CAAC,CAAC,CAAC,qBAAqB,IAAI,UAAU,GAAG,QAAQ,CAAC;QACtD,IAAI,CAAC,CAAC,CAAC,YAAY,IAAI,CAAC,CAAC;QACzB,OAAO,IAAI,CAAC;IACd,CAAC;CACF;AAzED,oDAyEC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/bulk/unordered.js b/node_modules/mongodb/lib/bulk/unordered.js
new file mode 100644
index 000000000..14b8f038f
--- /dev/null
+++ b/node_modules/mongodb/lib/bulk/unordered.js
@@ -0,0 +1,92 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.UnorderedBulkOperation = void 0;
+const BSON = require("../bson");
+const error_1 = require("../error");
+const common_1 = require("./common");
+/** @public */
+class UnorderedBulkOperation extends common_1.BulkOperationBase {
+    /** @internal */
+    constructor(collection, options) {
+        super(collection, options, false);
+    }
+    handleWriteError(callback, writeResult) {
+        if (this.s.batches.length) {
+            return false;
+        }
+        return super.handleWriteError(callback, writeResult);
+    }
+    addToOperationsList(batchType, document) {
+        // Get the bsonSize
+        const bsonSize = BSON.calculateObjectSize(document, {
+            checkKeys: false,
+            // Since we don't know what the user selected for BSON options here,
+            // err on the safe side, and check the size with ignoreUndefined: false.
+            ignoreUndefined: false
+        });
+        // Throw error if the doc is bigger than the max BSON size
+        if (bsonSize >= this.s.maxBsonObjectSize) {
+            // TODO(NODE-3483): Change this to MongoBSONError
+            throw new error_1.MongoInvalidArgumentError(`Document is larger than the maximum size ${this.s.maxBsonObjectSize}`);
+        }
+        // Holds the current batch
+        this.s.currentBatch = undefined;
+        // Get the right type of batch
+        if (batchType === common_1.BatchType.INSERT) {
+            this.s.currentBatch = this.s.currentInsertBatch;
+        }
+        else if (batchType === common_1.BatchType.UPDATE) {
+            this.s.currentBatch = this.s.currentUpdateBatch;
+        }
+        else if (batchType === common_1.BatchType.DELETE) {
+            this.s.currentBatch = this.s.currentRemoveBatch;
+        }
+        const maxKeySize = this.s.maxKeySize;
+        // Create a new batch object if we don't have a current one
+        if (this.s.currentBatch == null) {
+            this.s.currentBatch = new common_1.Batch(batchType, this.s.currentIndex);
+        }
+        // Check if we need to create a new batch
+        if (
+        // New batch if we exceed the max batch op size
+        this.s.currentBatch.size + 1 >= this.s.maxWriteBatchSize ||
+            // New batch if we exceed the maxBatchSizeBytes. Only matters if batch already has a doc,
+            // since we can't sent an empty batch
+            (this.s.currentBatch.size > 0 &&
+                this.s.currentBatch.sizeBytes + maxKeySize + bsonSize >= this.s.maxBatchSizeBytes) ||
+            // New batch if the new op does not have the same op type as the current batch
+            this.s.currentBatch.batchType !== batchType) {
+            // Save the batch to the execution stack
+            this.s.batches.push(this.s.currentBatch);
+            // Create a new batch
+            this.s.currentBatch = new common_1.Batch(batchType, this.s.currentIndex);
+        }
+        // We have an array of documents
+        if (Array.isArray(document)) {
+            throw new error_1.MongoInvalidArgumentError('Operation passed in cannot be an Array');
+        }
+        this.s.currentBatch.operations.push(document);
+        this.s.currentBatch.originalIndexes.push(this.s.currentIndex);
+        this.s.currentIndex = this.s.currentIndex + 1;
+        // Save back the current Batch to the right type
+        if (batchType === common_1.BatchType.INSERT) {
+            this.s.currentInsertBatch = this.s.currentBatch;
+            this.s.bulkResult.insertedIds.push({
+                index: this.s.bulkResult.insertedIds.length,
+                _id: document._id
+            });
+        }
+        else if (batchType === common_1.BatchType.UPDATE) {
+            this.s.currentUpdateBatch = this.s.currentBatch;
+        }
+        else if (batchType === common_1.BatchType.DELETE) {
+            this.s.currentRemoveBatch = this.s.currentBatch;
+        }
+        // Update current batch size
+        this.s.currentBatch.size += 1;
+        this.s.currentBatch.sizeBytes += maxKeySize + bsonSize;
+        return this;
+    }
+}
+exports.UnorderedBulkOperation = UnorderedBulkOperation;
+//# sourceMappingURL=unordered.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/bulk/unordered.js.map b/node_modules/mongodb/lib/bulk/unordered.js.map
new file mode 100644
index 000000000..22bfa5d31
--- /dev/null
+++ b/node_modules/mongodb/lib/bulk/unordered.js.map
@@ -0,0 +1 @@
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diff --git a/node_modules/mongodb/lib/change_stream.js b/node_modules/mongodb/lib/change_stream.js
new file mode 100644
index 000000000..49ef1bc3e
--- /dev/null
+++ b/node_modules/mongodb/lib/change_stream.js
@@ -0,0 +1,374 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ChangeStream = void 0;
+const util_1 = require("util");
+const collection_1 = require("./collection");
+const constants_1 = require("./constants");
+const change_stream_cursor_1 = require("./cursor/change_stream_cursor");
+const db_1 = require("./db");
+const error_1 = require("./error");
+const mongo_client_1 = require("./mongo_client");
+const mongo_types_1 = require("./mongo_types");
+const utils_1 = require("./utils");
+/** @internal */
+const kCursorStream = Symbol('cursorStream');
+/** @internal */
+const kClosed = Symbol('closed');
+/** @internal */
+const kMode = Symbol('mode');
+const CHANGE_STREAM_OPTIONS = [
+    'resumeAfter',
+    'startAfter',
+    'startAtOperationTime',
+    'fullDocument',
+    'fullDocumentBeforeChange',
+    'showExpandedEvents'
+];
+const CHANGE_DOMAIN_TYPES = {
+    COLLECTION: Symbol('Collection'),
+    DATABASE: Symbol('Database'),
+    CLUSTER: Symbol('Cluster')
+};
+const CHANGE_STREAM_EVENTS = [constants_1.RESUME_TOKEN_CHANGED, constants_1.END, constants_1.CLOSE];
+const NO_RESUME_TOKEN_ERROR = 'A change stream document has been received that lacks a resume token (_id).';
+const CHANGESTREAM_CLOSED_ERROR = 'ChangeStream is closed';
+/**
+ * Creates a new Change Stream instance. Normally created using {@link Collection#watch|Collection.watch()}.
+ * @public
+ */
+class ChangeStream extends mongo_types_1.TypedEventEmitter {
+    /**
+     * @internal
+     *
+     * @param parent - The parent object that created this change stream
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents
+     */
+    constructor(parent, pipeline = [], options = {}) {
+        super();
+        /**
+         * @internal
+         *
+         * TODO(NODE-4320): promisify selectServer and refactor this code to be async
+         *
+         * we promisify _processErrorIteratorModeCallback until we have a promisifed version of selectServer.
+         */
+        // eslint-disable-next-line @typescript-eslint/unbound-method
+        this._processErrorIteratorMode = (0, util_1.promisify)(this._processErrorIteratorModeCallback);
+        this.pipeline = pipeline;
+        this.options = options;
+        if (parent instanceof collection_1.Collection) {
+            this.type = CHANGE_DOMAIN_TYPES.COLLECTION;
+        }
+        else if (parent instanceof db_1.Db) {
+            this.type = CHANGE_DOMAIN_TYPES.DATABASE;
+        }
+        else if (parent instanceof mongo_client_1.MongoClient) {
+            this.type = CHANGE_DOMAIN_TYPES.CLUSTER;
+        }
+        else {
+            throw new error_1.MongoChangeStreamError('Parent provided to ChangeStream constructor must be an instance of Collection, Db, or MongoClient');
+        }
+        this.parent = parent;
+        this.namespace = parent.s.namespace;
+        if (!this.options.readPreference && parent.readPreference) {
+            this.options.readPreference = parent.readPreference;
+        }
+        // Create contained Change Stream cursor
+        this.cursor = this._createChangeStreamCursor(options);
+        this[kClosed] = false;
+        this[kMode] = false;
+        // Listen for any `change` listeners being added to ChangeStream
+        this.on('newListener', eventName => {
+            if (eventName === 'change' && this.cursor && this.listenerCount('change') === 0) {
+                this._streamEvents(this.cursor);
+            }
+        });
+        this.on('removeListener', eventName => {
+            var _a;
+            if (eventName === 'change' && this.listenerCount('change') === 0 && this.cursor) {
+                (_a = this[kCursorStream]) === null || _a === void 0 ? void 0 : _a.removeAllListeners('data');
+            }
+        });
+    }
+    /** @internal */
+    get cursorStream() {
+        return this[kCursorStream];
+    }
+    /** The cached resume token that is used to resume after the most recently returned change. */
+    get resumeToken() {
+        var _a;
+        return (_a = this.cursor) === null || _a === void 0 ? void 0 : _a.resumeToken;
+    }
+    hasNext(callback) {
+        this._setIsIterator();
+        // TOOD(NODE-4319): Add eslint rule preventing accidental variable shadowing
+        // Shadowing is intentional here.  We want to override the `callback` variable
+        // from the outer scope so that the inner scope doesn't accidentally call the wrong callback.
+        return (0, utils_1.maybePromise)(callback, callback => {
+            (async () => {
+                try {
+                    const hasNext = await this.cursor.hasNext();
+                    return hasNext;
+                }
+                catch (error) {
+                    try {
+                        await this._processErrorIteratorMode(error);
+                        const hasNext = await this.cursor.hasNext();
+                        return hasNext;
+                    }
+                    catch (error) {
+                        await this.close().catch(err => err);
+                        throw error;
+                    }
+                }
+            })().then(hasNext => callback(undefined, hasNext), error => callback(error));
+        });
+    }
+    next(callback) {
+        this._setIsIterator();
+        // TOOD(NODE-4319): Add eslint rule preventing accidental variable shadowing
+        // Shadowing is intentional here.  We want to override the `callback` variable
+        // from the outer scope so that the inner scope doesn't accidentally call the wrong callback.
+        return (0, utils_1.maybePromise)(callback, callback => {
+            (async () => {
+                try {
+                    const change = await this.cursor.next();
+                    const processedChange = this._processChange(change !== null && change !== void 0 ? change : null);
+                    return processedChange;
+                }
+                catch (error) {
+                    try {
+                        await this._processErrorIteratorMode(error);
+                        const change = await this.cursor.next();
+                        const processedChange = this._processChange(change !== null && change !== void 0 ? change : null);
+                        return processedChange;
+                    }
+                    catch (error) {
+                        await this.close().catch(err => err);
+                        throw error;
+                    }
+                }
+            })().then(change => callback(undefined, change), error => callback(error));
+        });
+    }
+    tryNext(callback) {
+        this._setIsIterator();
+        // TOOD(NODE-4319): Add eslint rule preventing accidental variable shadowing
+        // Shadowing is intentional here.  We want to override the `callback` variable
+        // from the outer scope so that the inner scope doesn't accidentally call the wrong callback.
+        return (0, utils_1.maybePromise)(callback, callback => {
+            (async () => {
+                try {
+                    const change = await this.cursor.tryNext();
+                    return change !== null && change !== void 0 ? change : null;
+                }
+                catch (error) {
+                    try {
+                        await this._processErrorIteratorMode(error);
+                        const change = await this.cursor.tryNext();
+                        return change !== null && change !== void 0 ? change : null;
+                    }
+                    catch (error) {
+                        await this.close().catch(err => err);
+                        throw error;
+                    }
+                }
+            })().then(change => callback(undefined, change), error => callback(error));
+        });
+    }
+    /** Is the cursor closed */
+    get closed() {
+        return this[kClosed] || this.cursor.closed;
+    }
+    close(callback) {
+        this[kClosed] = true;
+        return (0, utils_1.maybePromise)(callback, cb => {
+            const cursor = this.cursor;
+            return cursor.close(err => {
+                this._endStream();
+                return cb(err);
+            });
+        });
+    }
+    /**
+     * Return a modified Readable stream including a possible transform method.
+     *
+     * NOTE: When using a Stream to process change stream events, the stream will
+     * NOT automatically resume in the case a resumable error is encountered.
+     *
+     * @throws MongoChangeStreamError if the underlying cursor or the change stream is closed
+     */
+    stream(options) {
+        if (this.closed) {
+            throw new error_1.MongoChangeStreamError(CHANGESTREAM_CLOSED_ERROR);
+        }
+        this.streamOptions = options;
+        return this.cursor.stream(options);
+    }
+    /** @internal */
+    _setIsEmitter() {
+        if (this[kMode] === 'iterator') {
+            // TODO(NODE-3485): Replace with MongoChangeStreamModeError
+            throw new error_1.MongoAPIError('ChangeStream cannot be used as an EventEmitter after being used as an iterator');
+        }
+        this[kMode] = 'emitter';
+    }
+    /** @internal */
+    _setIsIterator() {
+        if (this[kMode] === 'emitter') {
+            // TODO(NODE-3485): Replace with MongoChangeStreamModeError
+            throw new error_1.MongoAPIError('ChangeStream cannot be used as an iterator after being used as an EventEmitter');
+        }
+        this[kMode] = 'iterator';
+    }
+    /**
+     * Create a new change stream cursor based on self's configuration
+     * @internal
+     */
+    _createChangeStreamCursor(options) {
+        const changeStreamStageOptions = (0, utils_1.filterOptions)(options, CHANGE_STREAM_OPTIONS);
+        if (this.type === CHANGE_DOMAIN_TYPES.CLUSTER) {
+            changeStreamStageOptions.allChangesForCluster = true;
+        }
+        const pipeline = [{ $changeStream: changeStreamStageOptions }, ...this.pipeline];
+        const client = this.type === CHANGE_DOMAIN_TYPES.CLUSTER
+            ? this.parent
+            : this.type === CHANGE_DOMAIN_TYPES.DATABASE
+                ? this.parent.s.client
+                : this.type === CHANGE_DOMAIN_TYPES.COLLECTION
+                    ? this.parent.s.db.s.client
+                    : null;
+        if (client == null) {
+            // This should never happen because of the assertion in the constructor
+            throw new error_1.MongoRuntimeError(`Changestream type should only be one of cluster, database, collection. Found ${this.type.toString()}`);
+        }
+        const changeStreamCursor = new change_stream_cursor_1.ChangeStreamCursor(client, this.namespace, pipeline, options);
+        for (const event of CHANGE_STREAM_EVENTS) {
+            changeStreamCursor.on(event, e => this.emit(event, e));
+        }
+        if (this.listenerCount(ChangeStream.CHANGE) > 0) {
+            this._streamEvents(changeStreamCursor);
+        }
+        return changeStreamCursor;
+    }
+    /** @internal */
+    _closeEmitterModeWithError(error) {
+        this.emit(ChangeStream.ERROR, error);
+        this.close(() => {
+            // nothing to do
+        });
+    }
+    /** @internal */
+    _streamEvents(cursor) {
+        var _a;
+        this._setIsEmitter();
+        const stream = (_a = this[kCursorStream]) !== null && _a !== void 0 ? _a : cursor.stream();
+        this[kCursorStream] = stream;
+        stream.on('data', change => {
+            try {
+                const processedChange = this._processChange(change);
+                this.emit(ChangeStream.CHANGE, processedChange);
+            }
+            catch (error) {
+                this.emit(ChangeStream.ERROR, error);
+            }
+        });
+        stream.on('error', error => this._processErrorStreamMode(error));
+    }
+    /** @internal */
+    _endStream() {
+        const cursorStream = this[kCursorStream];
+        if (cursorStream) {
+            ['data', 'close', 'end', 'error'].forEach(event => cursorStream.removeAllListeners(event));
+            cursorStream.destroy();
+        }
+        this[kCursorStream] = undefined;
+    }
+    /** @internal */
+    _processChange(change) {
+        if (this[kClosed]) {
+            // TODO(NODE-3485): Replace with MongoChangeStreamClosedError
+            throw new error_1.MongoAPIError(CHANGESTREAM_CLOSED_ERROR);
+        }
+        // a null change means the cursor has been notified, implicitly closing the change stream
+        if (change == null) {
+            // TODO(NODE-3485): Replace with MongoChangeStreamClosedError
+            throw new error_1.MongoRuntimeError(CHANGESTREAM_CLOSED_ERROR);
+        }
+        if (change && !change._id) {
+            throw new error_1.MongoChangeStreamError(NO_RESUME_TOKEN_ERROR);
+        }
+        // cache the resume token
+        this.cursor.cacheResumeToken(change._id);
+        // wipe the startAtOperationTime if there was one so that there won't be a conflict
+        // between resumeToken and startAtOperationTime if we need to reconnect the cursor
+        this.options.startAtOperationTime = undefined;
+        return change;
+    }
+    /** @internal */
+    _processErrorStreamMode(changeStreamError) {
+        // If the change stream has been closed explicitly, do not process error.
+        if (this[kClosed])
+            return;
+        if ((0, error_1.isResumableError)(changeStreamError, this.cursor.maxWireVersion)) {
+            this._endStream();
+            this.cursor.close().catch(() => null);
+            const topology = (0, utils_1.getTopology)(this.parent);
+            topology.selectServer(this.cursor.readPreference, {}, serverSelectionError => {
+                if (serverSelectionError)
+                    return this._closeEmitterModeWithError(changeStreamError);
+                this.cursor = this._createChangeStreamCursor(this.cursor.resumeOptions);
+            });
+        }
+        else {
+            this._closeEmitterModeWithError(changeStreamError);
+        }
+    }
+    /** @internal */
+    _processErrorIteratorModeCallback(changeStreamError, callback) {
+        if (this[kClosed]) {
+            // TODO(NODE-3485): Replace with MongoChangeStreamClosedError
+            return callback(new error_1.MongoAPIError(CHANGESTREAM_CLOSED_ERROR));
+        }
+        if ((0, error_1.isResumableError)(changeStreamError, this.cursor.maxWireVersion)) {
+            this.cursor.close().catch(() => null);
+            const topology = (0, utils_1.getTopology)(this.parent);
+            topology.selectServer(this.cursor.readPreference, {}, serverSelectionError => {
+                // if the topology can't reconnect, close the stream
+                if (serverSelectionError)
+                    return this.close(() => callback(changeStreamError));
+                this.cursor = this._createChangeStreamCursor(this.cursor.resumeOptions);
+                callback();
+            });
+        }
+        else {
+            this.close(() => callback(changeStreamError));
+        }
+    }
+}
+exports.ChangeStream = ChangeStream;
+/** @event */
+ChangeStream.RESPONSE = constants_1.RESPONSE;
+/** @event */
+ChangeStream.MORE = constants_1.MORE;
+/** @event */
+ChangeStream.INIT = constants_1.INIT;
+/** @event */
+ChangeStream.CLOSE = constants_1.CLOSE;
+/**
+ * Fired for each new matching change in the specified namespace. Attaching a `change`
+ * event listener to a Change Stream will switch the stream into flowing mode. Data will
+ * then be passed as soon as it is available.
+ * @event
+ */
+ChangeStream.CHANGE = constants_1.CHANGE;
+/** @event */
+ChangeStream.END = constants_1.END;
+/** @event */
+ChangeStream.ERROR = constants_1.ERROR;
+/**
+ * Emitted each time the change stream stores a new resume token.
+ * @event
+ */
+ChangeStream.RESUME_TOKEN_CHANGED = constants_1.RESUME_TOKEN_CHANGED;
+//# sourceMappingURL=change_stream.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/change_stream.js.map b/node_modules/mongodb/lib/change_stream.js.map
new file mode 100644
index 000000000..e379658cb
--- /dev/null
+++ b/node_modules/mongodb/lib/change_stream.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"change_stream.js","sourceRoot":"","sources":["../src/change_stream.ts"],"names":[],"mappings":";;;AACA,+BAAiC;AAGjC,6CAA0C;AAC1C,2CAAoG;AAEpG,wEAA8F;AAC9F,6BAA0B;AAC1B,mCAMiB;AACjB,iDAA6C;AAC7C,+CAA+D;AAK/D,mCAA+F;AAE/F,gBAAgB;AAChB,MAAM,aAAa,GAAG,MAAM,CAAC,cAAc,CAAC,CAAC;AAC7C,gBAAgB;AAChB,MAAM,OAAO,GAAG,MAAM,CAAC,QAAQ,CAAC,CAAC;AACjC,gBAAgB;AAChB,MAAM,KAAK,GAAG,MAAM,CAAC,MAAM,CAAC,CAAC;AAE7B,MAAM,qBAAqB,GAAG;IAC5B,aAAa;IACb,YAAY;IACZ,sBAAsB;IACtB,cAAc;IACd,0BAA0B;IAC1B,oBAAoB;CACZ,CAAC;AAEX,MAAM,mBAAmB,GAAG;IAC1B,UAAU,EAAE,MAAM,CAAC,YAAY,CAAC;IAChC,QAAQ,EAAE,MAAM,CAAC,UAAU,CAAC;IAC5B,OAAO,EAAE,MAAM,CAAC,SAAS,CAAC;CAC3B,CAAC;AAEF,MAAM,oBAAoB,GAAG,CAAC,gCAAoB,EAAE,eAAG,EAAE,iBAAK,CAAC,CAAC;AAEhE,MAAM,qBAAqB,GACzB,6EAA6E,CAAC;AAChF,MAAM,yBAAyB,GAAG,wBAAwB,CAAC;AAme3D;;;GAGG;AACH,MAAa,YAGX,SAAQ,+BAAuD;IAyC/D;;;;;OAKG;IACH,YACE,MAAuB,EACvB,WAAuB,EAAE,EACzB,UAA+B,EAAE;QAEjC,KAAK,EAAE,CAAC;QAmVV;;;;;;WAMG;QACH,6DAA6D;QACrD,8BAAyB,GAAG,IAAA,gBAAS,EAAC,IAAI,CAAC,iCAAiC,CAAC,CAAC;QAzVpF,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QAEvB,IAAI,MAAM,YAAY,uBAAU,EAAE;YAChC,IAAI,CAAC,IAAI,GAAG,mBAAmB,CAAC,UAAU,CAAC;SAC5C;aAAM,IAAI,MAAM,YAAY,OAAE,EAAE;YAC/B,IAAI,CAAC,IAAI,GAAG,mBAAmB,CAAC,QAAQ,CAAC;SAC1C;aAAM,IAAI,MAAM,YAAY,0BAAW,EAAE;YACxC,IAAI,CAAC,IAAI,GAAG,mBAAmB,CAAC,OAAO,CAAC;SACzC;aAAM;YACL,MAAM,IAAI,8BAAsB,CAC9B,mGAAmG,CACpG,CAAC;SACH;QAED,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;QACrB,IAAI,CAAC,SAAS,GAAG,MAAM,CAAC,CAAC,CAAC,SAAS,CAAC;QACpC,IAAI,CAAC,IAAI,CAAC,OAAO,CAAC,cAAc,IAAI,MAAM,CAAC,cAAc,EAAE;YACzD,IAAI,CAAC,OAAO,CAAC,cAAc,GAAG,MAAM,CAAC,cAAc,CAAC;SACrD;QAED,wCAAwC;QACxC,IAAI,CAAC,MAAM,GAAG,IAAI,CAAC,yBAAyB,CAAC,OAAO,CAAC,CAAC;QAEtD,IAAI,CAAC,OAAO,CAAC,GAAG,KAAK,CAAC;QACtB,IAAI,CAAC,KAAK,CAAC,GAAG,KAAK,CAAC;QAEpB,gEAAgE;QAChE,IAAI,CAAC,EAAE,CAAC,aAAa,EAAE,SAAS,CAAC,EAAE;YACjC,IAAI,SAAS,KAAK,QAAQ,IAAI,IAAI,CAAC,MAAM,IAAI,IAAI,CAAC,aAAa,CAAC,QAAQ,CAAC,KAAK,CAAC,EAAE;gBAC/E,IAAI,CAAC,aAAa,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;aACjC;QACH,CAAC,CAAC,CAAC;QAEH,IAAI,CAAC,EAAE,CAAC,gBAAgB,EAAE,SAAS,CAAC,EAAE;;YACpC,IAAI,SAAS,KAAK,QAAQ,IAAI,IAAI,CAAC,aAAa,CAAC,QAAQ,CAAC,KAAK,CAAC,IAAI,IAAI,CAAC,MAAM,EAAE;gBAC/E,MAAA,IAAI,CAAC,aAAa,CAAC,0CAAE,kBAAkB,CAAC,MAAM,CAAC,CAAC;aACjD;QACH,CAAC,CAAC,CAAC;IACL,CAAC;IAED,gBAAgB;IAChB,IAAI,YAAY;QACd,OAAO,IAAI,CAAC,aAAa,CAAC,CAAC;IAC7B,CAAC;IAED,8FAA8F;IAC9F,IAAI,WAAW;;QACb,OAAO,MAAA,IAAI,CAAC,MAAM,0CAAE,WAAW,CAAC;IAClC,CAAC;IAMD,OAAO,CAAC,QAAmB;QACzB,IAAI,CAAC,cAAc,EAAE,CAAC;QACtB,4EAA4E;QAC5E,8EAA8E;QAC9E,6FAA6F;QAC7F,OAAO,IAAA,oBAAY,EAAC,QAAQ,EAAE,QAAQ,CAAC,EAAE;YACvC,CAAC,KAAK,IAAI,EAAE;gBACV,IAAI;oBACF,MAAM,OAAO,GAAG,MAAM,IAAI,CAAC,MAAM,CAAC,OAAO,EAAE,CAAC;oBAC5C,OAAO,OAAO,CAAC;iBAChB;gBAAC,OAAO,KAAK,EAAE;oBACd,IAAI;wBACF,MAAM,IAAI,CAAC,yBAAyB,CAAC,KAAK,CAAC,CAAC;wBAC5C,MAAM,OAAO,GAAG,MAAM,IAAI,CAAC,MAAM,CAAC,OAAO,EAAE,CAAC;wBAC5C,OAAO,OAAO,CAAC;qBAChB;oBAAC,OAAO,KAAK,EAAE;wBACd,MAAM,IAAI,CAAC,KAAK,EAAE,CAAC,KAAK,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,CAAC,CAAC;wBACrC,MAAM,KAAK,CAAC;qBACb;iBACF;YACH,CAAC,CAAC,EAAE,CAAC,IAAI,CACP,OAAO,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,OAAO,CAAC,EACvC,KAAK,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CACzB,CAAC;QACJ,CAAC,CAAC,CAAC;IACL,CAAC;IAMD,IAAI,CAAC,QAA4B;QAC/B,IAAI,CAAC,cAAc,EAAE,CAAC;QACtB,4EAA4E;QAC5E,8EAA8E;QAC9E,6FAA6F;QAC7F,OAAO,IAAA,oBAAY,EAAC,QAAQ,EAAE,QAAQ,CAAC,EAAE;YACvC,CAAC,KAAK,IAAI,EAAE;gBACV,IAAI;oBACF,MAAM,MAAM,GAAG,MAAM,IAAI,CAAC,MAAM,CAAC,IAAI,EAAE,CAAC;oBACxC,MAAM,eAAe,GAAG,IAAI,CAAC,cAAc,CAAC,MAAM,aAAN,MAAM,cAAN,MAAM,GAAI,IAAI,CAAC,CAAC;oBAC5D,OAAO,eAAe,CAAC;iBACxB;gBAAC,OAAO,KAAK,EAAE;oBACd,IAAI;wBACF,MAAM,IAAI,CAAC,yBAAyB,CAAC,KAAK,CAAC,CAAC;wBAC5C,MAAM,MAAM,GAAG,MAAM,IAAI,CAAC,MAAM,CAAC,IAAI,EAAE,CAAC;wBACxC,MAAM,eAAe,GAAG,IAAI,CAAC,cAAc,CAAC,MAAM,aAAN,MAAM,cAAN,MAAM,GAAI,IAAI,CAAC,CAAC;wBAC5D,OAAO,eAAe,CAAC;qBACxB;oBAAC,OAAO,KAAK,EAAE;wBACd,MAAM,IAAI,CAAC,KAAK,EAAE,CAAC,KAAK,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,CAAC,CAAC;wBACrC,MAAM,KAAK,CAAC;qBACb;iBACF;YACH,CAAC,CAAC,EAAE,CAAC,IAAI,CACP,MAAM,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EACrC,KAAK,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CACzB,CAAC;QACJ,CAAC,CAAC,CAAC;IACL,CAAC;IAQD,OAAO,CAAC,QAAoC;QAC1C,IAAI,CAAC,cAAc,EAAE,CAAC;QACtB,4EAA4E;QAC5E,8EAA8E;QAC9E,6FAA6F;QAC7F,OAAO,IAAA,oBAAY,EAAC,QAAQ,EAAE,QAAQ,CAAC,EAAE;YACvC,CAAC,KAAK,IAAI,EAAE;gBACV,IAAI;oBACF,MAAM,MAAM,GAAG,MAAM,IAAI,CAAC,MAAM,CAAC,OAAO,EAAE,CAAC;oBAC3C,OAAO,MAAM,aAAN,MAAM,cAAN,MAAM,GAAI,IAAI,CAAC;iBACvB;gBAAC,OAAO,KAAK,EAAE;oBACd,IAAI;wBACF,MAAM,IAAI,CAAC,yBAAyB,CAAC,KAAK,CAAC,CAAC;wBAC5C,MAAM,MAAM,GAAG,MAAM,IAAI,CAAC,MAAM,CAAC,OAAO,EAAE,CAAC;wBAC3C,OAAO,MAAM,aAAN,MAAM,cAAN,MAAM,GAAI,IAAI,CAAC;qBACvB;oBAAC,OAAO,KAAK,EAAE;wBACd,MAAM,IAAI,CAAC,KAAK,EAAE,CAAC,KAAK,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,CAAC,CAAC;wBACrC,MAAM,KAAK,CAAC;qBACb;iBACF;YACH,CAAC,CAAC,EAAE,CAAC,IAAI,CACP,MAAM,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EACrC,KAAK,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CACzB,CAAC;QACJ,CAAC,CAAC,CAAC;IACL,CAAC;IAED,2BAA2B;IAC3B,IAAI,MAAM;QACR,OAAO,IAAI,CAAC,OAAO,CAAC,IAAI,IAAI,CAAC,MAAM,CAAC,MAAM,CAAC;IAC7C,CAA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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/auth_provider.js b/node_modules/mongodb/lib/cmap/auth/auth_provider.js
new file mode 100644
index 000000000..b9a840ee8
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/auth_provider.js
@@ -0,0 +1,36 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AuthProvider = exports.AuthContext = void 0;
+const error_1 = require("../../error");
+/** Context used during authentication */
+class AuthContext {
+    constructor(connection, credentials, options) {
+        this.connection = connection;
+        this.credentials = credentials;
+        this.options = options;
+    }
+}
+exports.AuthContext = AuthContext;
+class AuthProvider {
+    /**
+     * Prepare the handshake document before the initial handshake.
+     *
+     * @param handshakeDoc - The document used for the initial handshake on a connection
+     * @param authContext - Context for authentication flow
+     */
+    prepare(handshakeDoc, authContext, callback) {
+        callback(undefined, handshakeDoc);
+    }
+    /**
+     * Authenticate
+     *
+     * @param context - A shared context for authentication flow
+     * @param callback - The callback to return the result from the authentication
+     */
+    auth(context, callback) {
+        // TODO(NODE-3483): Replace this with MongoMethodOverrideError
+        callback(new error_1.MongoRuntimeError('`auth` method must be overridden by subclass'));
+    }
+}
+exports.AuthProvider = AuthProvider;
+//# sourceMappingURL=auth_provider.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/auth_provider.js.map b/node_modules/mongodb/lib/cmap/auth/auth_provider.js.map
new file mode 100644
index 000000000..c03ab3749
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/auth_provider.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"auth_provider.js","sourceRoot":"","sources":["../../../src/cmap/auth/auth_provider.ts"],"names":[],"mappings":";;;AACA,uCAAgD;AAQhD,yCAAyC;AACzC,MAAa,WAAW;IAatB,YACE,UAAsB,EACtB,WAAyC,EACzC,OAA2B;QAE3B,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,WAAW,GAAG,WAAW,CAAC;QAC/B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;CACF;AAtBD,kCAsBC;AAED,MAAa,YAAY;IACvB;;;;;OAKG;IACH,OAAO,CACL,YAA+B,EAC/B,WAAwB,EACxB,QAAqC;QAErC,QAAQ,CAAC,SAAS,EAAE,YAAY,CAAC,CAAC;IACpC,CAAC;IAED;;;;;OAKG;IACH,IAAI,CAAC,OAAoB,EAAE,QAAkB;QAC3C,8DAA8D;QAC9D,QAAQ,CAAC,IAAI,yBAAiB,CAAC,8CAA8C,CAAC,CAAC,CAAC;IAClF,CAAC;CACF;AAzBD,oCAyBC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/gssapi.js b/node_modules/mongodb/lib/cmap/auth/gssapi.js
new file mode 100644
index 000000000..0f16b587e
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/gssapi.js
@@ -0,0 +1,190 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.resolveCname = exports.performGSSAPICanonicalizeHostName = exports.GSSAPI = exports.GSSAPICanonicalizationValue = void 0;
+const dns = require("dns");
+const deps_1 = require("../../deps");
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const auth_provider_1 = require("./auth_provider");
+/** @public */
+exports.GSSAPICanonicalizationValue = Object.freeze({
+    on: true,
+    off: false,
+    none: 'none',
+    forward: 'forward',
+    forwardAndReverse: 'forwardAndReverse'
+});
+class GSSAPI extends auth_provider_1.AuthProvider {
+    auth(authContext, callback) {
+        const { connection, credentials } = authContext;
+        if (credentials == null)
+            return callback(new error_1.MongoMissingCredentialsError('Credentials required for GSSAPI authentication'));
+        const { username } = credentials;
+        function externalCommand(command, cb) {
+            return connection.command((0, utils_1.ns)('$external.$cmd'), command, undefined, cb);
+        }
+        makeKerberosClient(authContext, (err, client) => {
+            if (err)
+                return callback(err);
+            if (client == null)
+                return callback(new error_1.MongoMissingDependencyError('GSSAPI client missing'));
+            client.step('', (err, payload) => {
+                if (err)
+                    return callback(err);
+                externalCommand(saslStart(payload), (err, result) => {
+                    if (err)
+                        return callback(err);
+                    if (result == null)
+                        return callback();
+                    negotiate(client, 10, result.payload, (err, payload) => {
+                        if (err)
+                            return callback(err);
+                        externalCommand(saslContinue(payload, result.conversationId), (err, result) => {
+                            if (err)
+                                return callback(err);
+                            if (result == null)
+                                return callback();
+                            finalize(client, username, result.payload, (err, payload) => {
+                                if (err)
+                                    return callback(err);
+                                externalCommand({
+                                    saslContinue: 1,
+                                    conversationId: result.conversationId,
+                                    payload
+                                }, (err, result) => {
+                                    if (err)
+                                        return callback(err);
+                                    callback(undefined, result);
+                                });
+                            });
+                        });
+                    });
+                });
+            });
+        });
+    }
+}
+exports.GSSAPI = GSSAPI;
+function makeKerberosClient(authContext, callback) {
+    var _a;
+    const { hostAddress } = authContext.options;
+    const { credentials } = authContext;
+    if (!hostAddress || typeof hostAddress.host !== 'string' || !credentials) {
+        return callback(new error_1.MongoInvalidArgumentError('Connection must have host and port and credentials defined.'));
+    }
+    if ('kModuleError' in deps_1.Kerberos) {
+        return callback(deps_1.Kerberos['kModuleError']);
+    }
+    const { initializeClient } = deps_1.Kerberos;
+    const { username, password } = credentials;
+    const mechanismProperties = credentials.mechanismProperties;
+    const serviceName = (_a = mechanismProperties.SERVICE_NAME) !== null && _a !== void 0 ? _a : 'mongodb';
+    performGSSAPICanonicalizeHostName(hostAddress.host, mechanismProperties, (err, host) => {
+        var _a;
+        if (err)
+            return callback(err);
+        const initOptions = {};
+        if (password != null) {
+            Object.assign(initOptions, { user: username, password: password });
+        }
+        const spnHost = (_a = mechanismProperties.SERVICE_HOST) !== null && _a !== void 0 ? _a : host;
+        let spn = `${serviceName}${process.platform === 'win32' ? '/' : '@'}${spnHost}`;
+        if ('SERVICE_REALM' in mechanismProperties) {
+            spn = `${spn}@${mechanismProperties.SERVICE_REALM}`;
+        }
+        initializeClient(spn, initOptions, (err, client) => {
+            // TODO(NODE-3483)
+            if (err)
+                return callback(new error_1.MongoRuntimeError(err));
+            callback(undefined, client);
+        });
+    });
+}
+function saslStart(payload) {
+    return {
+        saslStart: 1,
+        mechanism: 'GSSAPI',
+        payload,
+        autoAuthorize: 1
+    };
+}
+function saslContinue(payload, conversationId) {
+    return {
+        saslContinue: 1,
+        conversationId,
+        payload
+    };
+}
+function negotiate(client, retries, payload, callback) {
+    client.step(payload, (err, response) => {
+        // Retries exhausted, raise error
+        if (err && retries === 0)
+            return callback(err);
+        // Adjust number of retries and call step again
+        if (err)
+            return negotiate(client, retries - 1, payload, callback);
+        // Return the payload
+        callback(undefined, response || '');
+    });
+}
+function finalize(client, user, payload, callback) {
+    // GSS Client Unwrap
+    client.unwrap(payload, (err, response) => {
+        if (err)
+            return callback(err);
+        // Wrap the response
+        client.wrap(response || '', { user }, (err, wrapped) => {
+            if (err)
+                return callback(err);
+            // Return the payload
+            callback(undefined, wrapped);
+        });
+    });
+}
+function performGSSAPICanonicalizeHostName(host, mechanismProperties, callback) {
+    const mode = mechanismProperties.CANONICALIZE_HOST_NAME;
+    if (!mode || mode === exports.GSSAPICanonicalizationValue.none) {
+        return callback(undefined, host);
+    }
+    // If forward and reverse or true
+    if (mode === exports.GSSAPICanonicalizationValue.on ||
+        mode === exports.GSSAPICanonicalizationValue.forwardAndReverse) {
+        // Perform the lookup of the ip address.
+        dns.lookup(host, (error, address) => {
+            // No ip found, return the error.
+            if (error)
+                return callback(error);
+            // Perform a reverse ptr lookup on the ip address.
+            dns.resolvePtr(address, (err, results) => {
+                // This can error as ptr records may not exist for all ips. In this case
+                // fallback to a cname lookup as dns.lookup() does not return the
+                // cname.
+                if (err) {
+                    return resolveCname(host, callback);
+                }
+                // If the ptr did not error but had no results, return the host.
+                callback(undefined, results.length > 0 ? results[0] : host);
+            });
+        });
+    }
+    else {
+        // The case for forward is just to resolve the cname as dns.lookup()
+        // will not return it.
+        resolveCname(host, callback);
+    }
+}
+exports.performGSSAPICanonicalizeHostName = performGSSAPICanonicalizeHostName;
+function resolveCname(host, callback) {
+    // Attempt to resolve the host name
+    dns.resolveCname(host, (err, r) => {
+        if (err)
+            return callback(undefined, host);
+        // Get the first resolve host id
+        if (r.length > 0) {
+            return callback(undefined, r[0]);
+        }
+        callback(undefined, host);
+    });
+}
+exports.resolveCname = resolveCname;
+//# sourceMappingURL=gssapi.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/gssapi.js.map b/node_modules/mongodb/lib/cmap/auth/gssapi.js.map
new file mode 100644
index 000000000..341c2e07a
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/gssapi.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"gssapi.js","sourceRoot":"","sources":["../../../src/cmap/auth/gssapi.ts"],"names":[],"mappings":";;;AAAA,2BAA2B;AAG3B,qCAAsD;AACtD,uCAMqB;AACrB,uCAA2C;AAC3C,mDAA4D;AAE5D,cAAc;AACD,QAAA,2BAA2B,GAAG,MAAM,CAAC,MAAM,CAAC;IACvD,EAAE,EAAE,IAAI;IACR,GAAG,EAAE,KAAK;IACV,IAAI,EAAE,MAAM;IACZ,OAAO,EAAE,SAAS;IAClB,iBAAiB,EAAE,mBAAmB;CAC9B,CAAC,CAAC;AAeZ,MAAa,MAAO,SAAQ,4BAAY;IAC7B,IAAI,CAAC,WAAwB,EAAE,QAAkB;QACxD,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,GAAG,WAAW,CAAC;QAChD,IAAI,WAAW,IAAI,IAAI;YACrB,OAAO,QAAQ,CACb,IAAI,oCAA4B,CAAC,gDAAgD,CAAC,CACnF,CAAC;QACJ,MAAM,EAAE,QAAQ,EAAE,GAAG,WAAW,CAAC;QACjC,SAAS,eAAe,CACtB,OAAiB,EACjB,EAAsD;YAEtD,OAAO,UAAU,CAAC,OAAO,CAAC,IAAA,UAAE,EAAC,gBAAgB,CAAC,EAAE,OAAO,EAAE,SAAS,EAAE,EAAE,CAAC,CAAC;QAC1E,CAAC;QACD,kBAAkB,CAAC,WAAW,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;YAC9C,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC9B,IAAI,MAAM,IAAI,IAAI;gBAAE,OAAO,QAAQ,CAAC,IAAI,mCAA2B,CAAC,uBAAuB,CAAC,CAAC,CAAC;YAC9F,MAAM,CAAC,IAAI,CAAC,EAAE,EAAE,CAAC,GAAG,EAAE,OAAO,EAAE,EAAE;gBAC/B,IAAI,GAAG;oBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;gBAE9B,eAAe,CAAC,SAAS,CAAC,OAAO,CAAC,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;oBAClD,IAAI,GAAG;wBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;oBAC9B,IAAI,MAAM,IAAI,IAAI;wBAAE,OAAO,QAAQ,EAAE,CAAC;oBACtC,SAAS,CAAC,MAAM,EAAE,EAAE,EAAE,MAAM,CAAC,OAAO,EAAE,CAAC,GAAG,EAAE,OAAO,EAAE,EAAE;wBACrD,IAAI,GAAG;4BAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;wBAE9B,eAAe,CAAC,YAAY,CAAC,OAAO,EAAE,MAAM,CAAC,cAAc,CAAC,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;4BAC5E,IAAI,GAAG;gCAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;4BAC9B,IAAI,MAAM,IAAI,IAAI;gCAAE,OAAO,QAAQ,EAAE,CAAC;4BACtC,QAAQ,CAAC,MAAM,EAAE,QAAQ,EAAE,MAAM,CAAC,OAAO,EAAE,CAAC,GAAG,EAAE,OAAO,EAAE,EAAE;gCAC1D,IAAI,GAAG;oCAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;gCAE9B,eAAe,CACb;oCACE,YAAY,EAAE,CAAC;oCACf,cAAc,EAAE,MAAM,CAAC,cAAc;oCACrC,OAAO;iCACR,EACD,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;oCACd,IAAI,GAAG;wCAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;oCAE9B,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,CAAC;gCAC9B,CAAC,CACF,CAAC;4BACJ,CAAC,CAAC,CAAC;wBACL,CAAC,CAAC,CAAC;oBACL,CAAC,CAAC,CAAC;gBACL,CAAC,CAAC,CAAC;YACL,CAAC,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAnDD,wBAmDC;AAED,SAAS,kBAAkB,CAAC,WAAwB,EAAE,QAAkC;;IACtF,MAAM,EAAE,WAAW,EAAE,GAAG,WAAW,CAAC,OAAO,CAAC;IAC5C,MAAM,EAAE,WAAW,EAAE,GAAG,WAAW,CAAC;IACpC,IAAI,CAAC,WAAW,IAAI,OAAO,WAAW,CAAC,IAAI,KAAK,QAAQ,IAAI,CAAC,WAAW,EAAE;QACxE,OAAO,QAAQ,CACb,IAAI,iCAAyB,CAAC,6DAA6D,CAAC,CAC7F,CAAC;KACH;IAED,IAAI,cAAc,IAAI,eAAQ,EAAE;QAC9B,OAAO,QAAQ,CAAC,eAAQ,CAAC,cAAc,CAAC,CAAC,CAAC;KAC3C;IACD,MAAM,EAAE,gBAAgB,EAAE,GAAG,eAAQ,CAAC;IAEtC,MAAM,EAAE,QAAQ,EAAE,QAAQ,EAAE,GAAG,WAAW,CAAC;IAC3C,MAAM,mBAAmB,GAAG,WAAW,CAAC,mBAA0C,CAAC;IAEnF,MAAM,WAAW,GAAG,MAAA,mBAAmB,CAAC,YAAY,mCAAI,SAAS,CAAC;IAElE,iCAAiC,CAC/B,WAAW,CAAC,IAAI,EAChB,mBAAmB,EACnB,CAAC,GAAwB,EAAE,IAAa,EAAE,EAAE;;QAC1C,IAAI,GAAG;YAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;QAE9B,MAAM,WAAW,GAAG,EAAE,CAAC;QACvB,IAAI,QAAQ,IAAI,IAAI,EAAE;YACpB,MAAM,CAAC,MAAM,CAAC,WAAW,EAAE,EAAE,IAAI,EAAE,QAAQ,EAAE,QAAQ,EAAE,QAAQ,EAAE,CAAC,CAAC;SACpE;QAED,MAAM,OAAO,GAAG,MAAA,mBAAmB,CAAC,YAAY,mCAAI,IAAI,CAAC;QACzD,IAAI,GAAG,GAAG,GAAG,WAAW,GAAG,OAAO,CAAC,QAAQ,KAAK,OAAO,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,GAAG,GAAG,OAAO,EAAE,CAAC;QAChF,IAAI,eAAe,IAAI,mBAAmB,EAAE;YAC1C,GAAG,GAAG,GAAG,GAAG,IAAI,mBAAmB,CAAC,aAAa,EAAE,CAAC;SACrD;QAED,gBAAgB,CAAC,GAAG,EAAE,WAAW,EAAE,CAAC,GAAW,EAAE,MAAsB,EAAQ,EAAE;YAC/E,kBAAkB;YAClB,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,GAAG,CAAC,CAAC,CAAC;YACrD,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,CAAC;QAC9B,CAAC,CAAC,CAAC;IACL,CAAC,CACF,CAAC;AACJ,CAAC;AAED,SAAS,SAAS,CAAC,OAAgB;IACjC,OAAO;QACL,SAAS,EAAE,CAAC;QACZ,SAAS,EAAE,QAAQ;QACnB,OAAO;QACP,aAAa,EAAE,CAAC;KACjB,CAAC;AACJ,CAAC;AAED,SAAS,YAAY,CAAC,OAAgB,EAAE,cAAuB;IAC7D,OAAO;QACL,YAAY,EAAE,CAAC;QACf,cAAc;QACd,OAAO;KACR,CAAC;AACJ,CAAC;AAED,SAAS,SAAS,CAChB,MAAsB,EACtB,OAAe,EACf,OAAe,EACf,QAA0B;IAE1B,MAAM,CAAC,IAAI,CAAC,OAAO,EAAE,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;QACrC,iCAAiC;QACjC,IAAI,GAAG,IAAI,OAAO,KAAK,CAAC;YAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;QAE/C,+CAA+C;QAC/C,IAAI,GAAG;YAAE,OAAO,SAAS,CAAC,MAAM,EAAE,OAAO,GAAG,CAAC,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;QAElE,qBAAqB;QACrB,QAAQ,CAAC,SAAS,EAAE,QAAQ,IAAI,EAAE,CAAC,CAAC;IACtC,CAAC,CAAC,CAAC;AACL,CAAC;AAED,SAAS,QAAQ,CACf,MAAsB,EACtB,IAAY,EACZ,OAAe,EACf,QAA0B;IAE1B,oBAAoB;IACpB,MAAM,CAAC,MAAM,CAAC,OAAO,EAAE,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;QACvC,IAAI,GAAG;YAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;QAE9B,oBAAoB;QACpB,MAAM,CAAC,IAAI,CAAC,QAAQ,IAAI,EAAE,EAAE,EAAE,IAAI,EAAE,EAAE,CAAC,GAAG,EAAE,OAAO,EAAE,EAAE;YACrD,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAE9B,qBAAqB;YACrB,QAAQ,CAAC,SAAS,EAAE,OAAO,CAAC,CAAC;QAC/B,CAAC,CAAC,CAAC;IACL,CAAC,CAAC,CAAC;AACL,CAAC;AAED,SAAgB,iCAAiC,CAC/C,IAAY,EACZ,mBAAwC,EACxC,QAA0B;IAE1B,MAAM,IAAI,GAAG,mBAAmB,CAAC,sBAAsB,CAAC;IACxD,IAAI,CAAC,IAAI,IAAI,IAAI,KAAK,mCAA2B,CAAC,IAAI,EAAE;QACtD,OAAO,QAAQ,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC;KAClC;IAED,iCAAiC;IACjC,IACE,IAAI,KAAK,mCAA2B,CAAC,EAAE;QACvC,IAAI,KAAK,mCAA2B,CAAC,iBAAiB,EACtD;QACA,wCAAwC;QACxC,GAAG,CAAC,MAAM,CAAC,IAAI,EAAE,CAAC,KAAK,EAAE,OAAO,EAAE,EAAE;YAClC,iCAAiC;YACjC,IAAI,KAAK;gBAAE,OAAO,Q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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/mongo_credentials.js b/node_modules/mongodb/lib/cmap/auth/mongo_credentials.js
new file mode 100644
index 000000000..7fe66e5b5
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/mongo_credentials.js
@@ -0,0 +1,134 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MongoCredentials = void 0;
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const gssapi_1 = require("./gssapi");
+const providers_1 = require("./providers");
+// https://github.com/mongodb/specifications/blob/master/source/auth/auth.rst
+function getDefaultAuthMechanism(hello) {
+    if (hello) {
+        // If hello contains saslSupportedMechs, use scram-sha-256
+        // if it is available, else scram-sha-1
+        if (Array.isArray(hello.saslSupportedMechs)) {
+            return hello.saslSupportedMechs.includes(providers_1.AuthMechanism.MONGODB_SCRAM_SHA256)
+                ? providers_1.AuthMechanism.MONGODB_SCRAM_SHA256
+                : providers_1.AuthMechanism.MONGODB_SCRAM_SHA1;
+        }
+        // Fallback to legacy selection method. If wire version >= 3, use scram-sha-1
+        if (hello.maxWireVersion >= 3) {
+            return providers_1.AuthMechanism.MONGODB_SCRAM_SHA1;
+        }
+    }
+    // Default for wireprotocol < 3
+    return providers_1.AuthMechanism.MONGODB_CR;
+}
+/**
+ * A representation of the credentials used by MongoDB
+ * @public
+ */
+class MongoCredentials {
+    constructor(options) {
+        this.username = options.username;
+        this.password = options.password;
+        this.source = options.source;
+        if (!this.source && options.db) {
+            this.source = options.db;
+        }
+        this.mechanism = options.mechanism || providers_1.AuthMechanism.MONGODB_DEFAULT;
+        this.mechanismProperties = options.mechanismProperties || {};
+        if (this.mechanism.match(/MONGODB-AWS/i)) {
+            if (!this.username && process.env.AWS_ACCESS_KEY_ID) {
+                this.username = process.env.AWS_ACCESS_KEY_ID;
+            }
+            if (!this.password && process.env.AWS_SECRET_ACCESS_KEY) {
+                this.password = process.env.AWS_SECRET_ACCESS_KEY;
+            }
+            if (this.mechanismProperties.AWS_SESSION_TOKEN == null &&
+                process.env.AWS_SESSION_TOKEN != null) {
+                this.mechanismProperties = {
+                    ...this.mechanismProperties,
+                    AWS_SESSION_TOKEN: process.env.AWS_SESSION_TOKEN
+                };
+            }
+        }
+        if ('gssapiCanonicalizeHostName' in this.mechanismProperties) {
+            (0, utils_1.emitWarningOnce)('gssapiCanonicalizeHostName is deprecated. Please use CANONICALIZE_HOST_NAME instead.');
+            this.mechanismProperties.CANONICALIZE_HOST_NAME =
+                this.mechanismProperties.gssapiCanonicalizeHostName;
+        }
+        Object.freeze(this.mechanismProperties);
+        Object.freeze(this);
+    }
+    /** Determines if two MongoCredentials objects are equivalent */
+    equals(other) {
+        return (this.mechanism === other.mechanism &&
+            this.username === other.username &&
+            this.password === other.password &&
+            this.source === other.source);
+    }
+    /**
+     * If the authentication mechanism is set to "default", resolves the authMechanism
+     * based on the server version and server supported sasl mechanisms.
+     *
+     * @param hello - A hello response from the server
+     */
+    resolveAuthMechanism(hello) {
+        // If the mechanism is not "default", then it does not need to be resolved
+        if (this.mechanism.match(/DEFAULT/i)) {
+            return new MongoCredentials({
+                username: this.username,
+                password: this.password,
+                source: this.source,
+                mechanism: getDefaultAuthMechanism(hello),
+                mechanismProperties: this.mechanismProperties
+            });
+        }
+        return this;
+    }
+    validate() {
+        var _a;
+        if ((this.mechanism === providers_1.AuthMechanism.MONGODB_GSSAPI ||
+            this.mechanism === providers_1.AuthMechanism.MONGODB_CR ||
+            this.mechanism === providers_1.AuthMechanism.MONGODB_PLAIN ||
+            this.mechanism === providers_1.AuthMechanism.MONGODB_SCRAM_SHA1 ||
+            this.mechanism === providers_1.AuthMechanism.MONGODB_SCRAM_SHA256) &&
+            !this.username) {
+            throw new error_1.MongoMissingCredentialsError(`Username required for mechanism '${this.mechanism}'`);
+        }
+        if (providers_1.AUTH_MECHS_AUTH_SRC_EXTERNAL.has(this.mechanism)) {
+            if (this.source != null && this.source !== '$external') {
+                // TODO(NODE-3485): Replace this with a MongoAuthValidationError
+                throw new error_1.MongoAPIError(`Invalid source '${this.source}' for mechanism '${this.mechanism}' specified.`);
+            }
+        }
+        if (this.mechanism === providers_1.AuthMechanism.MONGODB_PLAIN && this.source == null) {
+            // TODO(NODE-3485): Replace this with a MongoAuthValidationError
+            throw new error_1.MongoAPIError('PLAIN Authentication Mechanism needs an auth source');
+        }
+        if (this.mechanism === providers_1.AuthMechanism.MONGODB_X509 && this.password != null) {
+            if (this.password === '') {
+                Reflect.set(this, 'password', undefined);
+                return;
+            }
+            // TODO(NODE-3485): Replace this with a MongoAuthValidationError
+            throw new error_1.MongoAPIError(`Password not allowed for mechanism MONGODB-X509`);
+        }
+        const canonicalization = (_a = this.mechanismProperties.CANONICALIZE_HOST_NAME) !== null && _a !== void 0 ? _a : false;
+        if (!Object.values(gssapi_1.GSSAPICanonicalizationValue).includes(canonicalization)) {
+            throw new error_1.MongoAPIError(`Invalid CANONICALIZE_HOST_NAME value: ${canonicalization}`);
+        }
+    }
+    static merge(creds, options) {
+        var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l;
+        return new MongoCredentials({
+            username: (_b = (_a = options.username) !== null && _a !== void 0 ? _a : creds === null || creds === void 0 ? void 0 : creds.username) !== null && _b !== void 0 ? _b : '',
+            password: (_d = (_c = options.password) !== null && _c !== void 0 ? _c : creds === null || creds === void 0 ? void 0 : creds.password) !== null && _d !== void 0 ? _d : '',
+            mechanism: (_f = (_e = options.mechanism) !== null && _e !== void 0 ? _e : creds === null || creds === void 0 ? void 0 : creds.mechanism) !== null && _f !== void 0 ? _f : providers_1.AuthMechanism.MONGODB_DEFAULT,
+            mechanismProperties: (_h = (_g = options.mechanismProperties) !== null && _g !== void 0 ? _g : creds === null || creds === void 0 ? void 0 : creds.mechanismProperties) !== null && _h !== void 0 ? _h : {},
+            source: (_l = (_k = (_j = options.source) !== null && _j !== void 0 ? _j : options.db) !== null && _k !== void 0 ? _k : creds === null || creds === void 0 ? void 0 : creds.source) !== null && _l !== void 0 ? _l : 'admin'
+        });
+    }
+}
+exports.MongoCredentials = MongoCredentials;
+//# sourceMappingURL=mongo_credentials.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/mongo_credentials.js.map b/node_modules/mongodb/lib/cmap/auth/mongo_credentials.js.map
new file mode 100644
index 000000000..3f88b0fe6
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/mongo_credentials.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/mongocr.js b/node_modules/mongodb/lib/cmap/auth/mongocr.js
new file mode 100644
index 000000000..f8afea2dd
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/mongocr.js
@@ -0,0 +1,44 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MongoCR = void 0;
+const crypto = require("crypto");
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const auth_provider_1 = require("./auth_provider");
+class MongoCR extends auth_provider_1.AuthProvider {
+    auth(authContext, callback) {
+        const { connection, credentials } = authContext;
+        if (!credentials) {
+            return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+        }
+        const username = credentials.username;
+        const password = credentials.password;
+        const source = credentials.source;
+        connection.command((0, utils_1.ns)(`${source}.$cmd`), { getnonce: 1 }, undefined, (err, r) => {
+            let nonce = null;
+            let key = null;
+            // Get nonce
+            if (err == null) {
+                nonce = r.nonce;
+                // Use node md5 generator
+                let md5 = crypto.createHash('md5');
+                // Generate keys used for authentication
+                md5.update(`${username}:mongo:${password}`, 'utf8');
+                const hash_password = md5.digest('hex');
+                // Final key
+                md5 = crypto.createHash('md5');
+                md5.update(nonce + username + hash_password, 'utf8');
+                key = md5.digest('hex');
+            }
+            const authenticateCommand = {
+                authenticate: 1,
+                user: username,
+                nonce,
+                key
+            };
+            connection.command((0, utils_1.ns)(`${source}.$cmd`), authenticateCommand, undefined, callback);
+        });
+    }
+}
+exports.MongoCR = MongoCR;
+//# sourceMappingURL=mongocr.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/mongocr.js.map b/node_modules/mongodb/lib/cmap/auth/mongocr.js.map
new file mode 100644
index 000000000..62e4f9796
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/mongocr.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"mongocr.js","sourceRoot":"","sources":["../../../src/cmap/auth/mongocr.ts"],"names":[],"mappings":";;;AAAA,iCAAiC;AAEjC,uCAA2D;AAC3D,uCAA2C;AAC3C,mDAA4D;AAE5D,MAAa,OAAQ,SAAQ,4BAAY;IAC9B,IAAI,CAAC,WAAwB,EAAE,QAAkB;QACxD,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,GAAG,WAAW,CAAC;QAChD,IAAI,CAAC,WAAW,EAAE;YAChB,OAAO,QAAQ,CAAC,IAAI,oCAA4B,CAAC,uCAAuC,CAAC,CAAC,CAAC;SAC5F;QACD,MAAM,QAAQ,GAAG,WAAW,CAAC,QAAQ,CAAC;QACtC,MAAM,QAAQ,GAAG,WAAW,CAAC,QAAQ,CAAC;QACtC,MAAM,MAAM,GAAG,WAAW,CAAC,MAAM,CAAC;QAClC,UAAU,CAAC,OAAO,CAAC,IAAA,UAAE,EAAC,GAAG,MAAM,OAAO,CAAC,EAAE,EAAE,QAAQ,EAAE,CAAC,EAAE,EAAE,SAAS,EAAE,CAAC,GAAG,EAAE,CAAC,EAAE,EAAE;YAC9E,IAAI,KAAK,GAAG,IAAI,CAAC;YACjB,IAAI,GAAG,GAAG,IAAI,CAAC;YAEf,YAAY;YACZ,IAAI,GAAG,IAAI,IAAI,EAAE;gBACf,KAAK,GAAG,CAAC,CAAC,KAAK,CAAC;gBAEhB,yBAAyB;gBACzB,IAAI,GAAG,GAAG,MAAM,CAAC,UAAU,CAAC,KAAK,CAAC,CAAC;gBAEnC,wCAAwC;gBACxC,GAAG,CAAC,MAAM,CAAC,GAAG,QAAQ,UAAU,QAAQ,EAAE,EAAE,MAAM,CAAC,CAAC;gBACpD,MAAM,aAAa,GAAG,GAAG,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;gBAExC,YAAY;gBACZ,GAAG,GAAG,MAAM,CAAC,UAAU,CAAC,KAAK,CAAC,CAAC;gBAC/B,GAAG,CAAC,MAAM,CAAC,KAAK,GAAG,QAAQ,GAAG,aAAa,EAAE,MAAM,CAAC,CAAC;gBACrD,GAAG,GAAG,GAAG,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;aACzB;YAED,MAAM,mBAAmB,GAAG;gBAC1B,YAAY,EAAE,CAAC;gBACf,IAAI,EAAE,QAAQ;gBACd,KAAK;gBACL,GAAG;aACJ,CAAC;YAEF,UAAU,CAAC,OAAO,CAAC,IAAA,UAAE,EAAC,GAAG,MAAM,OAAO,CAAC,EAAE,mBAAmB,EAAE,SAAS,EAAE,QAAQ,CAAC,CAAC;QACrF,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAxCD,0BAwCC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/mongodb_aws.js b/node_modules/mongodb/lib/cmap/auth/mongodb_aws.js
new file mode 100644
index 000000000..ba0679fd1
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/mongodb_aws.js
@@ -0,0 +1,204 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MongoDBAWS = void 0;
+const crypto = require("crypto");
+const http = require("http");
+const url = require("url");
+const BSON = require("../../bson");
+const deps_1 = require("../../deps");
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const auth_provider_1 = require("./auth_provider");
+const mongo_credentials_1 = require("./mongo_credentials");
+const providers_1 = require("./providers");
+const ASCII_N = 110;
+const AWS_RELATIVE_URI = 'http://169.254.170.2';
+const AWS_EC2_URI = 'http://169.254.169.254';
+const AWS_EC2_PATH = '/latest/meta-data/iam/security-credentials';
+const bsonOptions = {
+    promoteLongs: true,
+    promoteValues: true,
+    promoteBuffers: false,
+    bsonRegExp: false
+};
+class MongoDBAWS extends auth_provider_1.AuthProvider {
+    auth(authContext, callback) {
+        const { connection, credentials } = authContext;
+        if (!credentials) {
+            return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+        }
+        if ('kModuleError' in deps_1.aws4) {
+            return callback(deps_1.aws4['kModuleError']);
+        }
+        const { sign } = deps_1.aws4;
+        if ((0, utils_1.maxWireVersion)(connection) < 9) {
+            callback(new error_1.MongoCompatibilityError('MONGODB-AWS authentication requires MongoDB version 4.4 or later'));
+            return;
+        }
+        if (!credentials.username) {
+            makeTempCredentials(credentials, (err, tempCredentials) => {
+                if (err || !tempCredentials)
+                    return callback(err);
+                authContext.credentials = tempCredentials;
+                this.auth(authContext, callback);
+            });
+            return;
+        }
+        const accessKeyId = credentials.username;
+        const secretAccessKey = credentials.password;
+        const sessionToken = credentials.mechanismProperties.AWS_SESSION_TOKEN;
+        // If all three defined, include sessionToken, else include username and pass, else no credentials
+        const awsCredentials = accessKeyId && secretAccessKey && sessionToken
+            ? { accessKeyId, secretAccessKey, sessionToken }
+            : accessKeyId && secretAccessKey
+                ? { accessKeyId, secretAccessKey }
+                : undefined;
+        const db = credentials.source;
+        crypto.randomBytes(32, (err, nonce) => {
+            if (err) {
+                callback(err);
+                return;
+            }
+            const saslStart = {
+                saslStart: 1,
+                mechanism: 'MONGODB-AWS',
+                payload: BSON.serialize({ r: nonce, p: ASCII_N }, bsonOptions)
+            };
+            connection.command((0, utils_1.ns)(`${db}.$cmd`), saslStart, undefined, (err, res) => {
+                if (err)
+                    return callback(err);
+                const serverResponse = BSON.deserialize(res.payload.buffer, bsonOptions);
+                const host = serverResponse.h;
+                const serverNonce = serverResponse.s.buffer;
+                if (serverNonce.length !== 64) {
+                    callback(
+                    // TODO(NODE-3483)
+                    new error_1.MongoRuntimeError(`Invalid server nonce length ${serverNonce.length}, expected 64`));
+                    return;
+                }
+                if (serverNonce.compare(nonce, 0, nonce.length, 0, nonce.length) !== 0) {
+                    // TODO(NODE-3483)
+                    callback(new error_1.MongoRuntimeError('Server nonce does not begin with client nonce'));
+                    return;
+                }
+                if (host.length < 1 || host.length > 255 || host.indexOf('..') !== -1) {
+                    // TODO(NODE-3483)
+                    callback(new error_1.MongoRuntimeError(`Server returned an invalid host: "${host}"`));
+                    return;
+                }
+                const body = 'Action=GetCallerIdentity&Version=2011-06-15';
+                const options = sign({
+                    method: 'POST',
+                    host,
+                    region: deriveRegion(serverResponse.h),
+                    service: 'sts',
+                    headers: {
+                        'Content-Type': 'application/x-www-form-urlencoded',
+                        'Content-Length': body.length,
+                        'X-MongoDB-Server-Nonce': serverNonce.toString('base64'),
+                        'X-MongoDB-GS2-CB-Flag': 'n'
+                    },
+                    path: '/',
+                    body
+                }, awsCredentials);
+                const payload = {
+                    a: options.headers.Authorization,
+                    d: options.headers['X-Amz-Date']
+                };
+                if (sessionToken) {
+                    payload.t = sessionToken;
+                }
+                const saslContinue = {
+                    saslContinue: 1,
+                    conversationId: 1,
+                    payload: BSON.serialize(payload, bsonOptions)
+                };
+                connection.command((0, utils_1.ns)(`${db}.$cmd`), saslContinue, undefined, callback);
+            });
+        });
+    }
+}
+exports.MongoDBAWS = MongoDBAWS;
+function makeTempCredentials(credentials, callback) {
+    function done(creds) {
+        if (!creds.AccessKeyId || !creds.SecretAccessKey || !creds.Token) {
+            callback(new error_1.MongoMissingCredentialsError('Could not obtain temporary MONGODB-AWS credentials'));
+            return;
+        }
+        callback(undefined, new mongo_credentials_1.MongoCredentials({
+            username: creds.AccessKeyId,
+            password: creds.SecretAccessKey,
+            source: credentials.source,
+            mechanism: providers_1.AuthMechanism.MONGODB_AWS,
+            mechanismProperties: {
+                AWS_SESSION_TOKEN: creds.Token
+            }
+        }));
+    }
+    // If the environment variable AWS_CONTAINER_CREDENTIALS_RELATIVE_URI
+    // is set then drivers MUST assume that it was set by an AWS ECS agent
+    if (process.env.AWS_CONTAINER_CREDENTIALS_RELATIVE_URI) {
+        request(`${AWS_RELATIVE_URI}${process.env.AWS_CONTAINER_CREDENTIALS_RELATIVE_URI}`, undefined, (err, res) => {
+            if (err)
+                return callback(err);
+            done(res);
+        });
+        return;
+    }
+    // Otherwise assume we are on an EC2 instance
+    // get a token
+    request(`${AWS_EC2_URI}/latest/api/token`, { method: 'PUT', json: false, headers: { 'X-aws-ec2-metadata-token-ttl-seconds': 30 } }, (err, token) => {
+        if (err)
+            return callback(err);
+        // get role name
+        request(`${AWS_EC2_URI}/${AWS_EC2_PATH}`, { json: false, headers: { 'X-aws-ec2-metadata-token': token } }, (err, roleName) => {
+            if (err)
+                return callback(err);
+            // get temp credentials
+            request(`${AWS_EC2_URI}/${AWS_EC2_PATH}/${roleName}`, { headers: { 'X-aws-ec2-metadata-token': token } }, (err, creds) => {
+                if (err)
+                    return callback(err);
+                done(creds);
+            });
+        });
+    });
+}
+function deriveRegion(host) {
+    const parts = host.split('.');
+    if (parts.length === 1 || parts[1] === 'amazonaws') {
+        return 'us-east-1';
+    }
+    return parts[1];
+}
+function request(uri, _options, callback) {
+    const options = Object.assign({
+        method: 'GET',
+        timeout: 10000,
+        json: true
+    }, url.parse(uri), _options);
+    const req = http.request(options, res => {
+        res.setEncoding('utf8');
+        let data = '';
+        res.on('data', d => (data += d));
+        res.on('end', () => {
+            if (options.json === false) {
+                callback(undefined, data);
+                return;
+            }
+            try {
+                const parsed = JSON.parse(data);
+                callback(undefined, parsed);
+            }
+            catch (err) {
+                // TODO(NODE-3483)
+                callback(new error_1.MongoRuntimeError(`Invalid JSON response: "${data}"`));
+            }
+        });
+    });
+    req.on('timeout', () => {
+        req.destroy(new error_1.MongoAWSError(`AWS request to ${uri} timed out after ${options.timeout} ms`));
+    });
+    req.on('error', err => callback(err));
+    req.end();
+}
+//# sourceMappingURL=mongodb_aws.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/mongodb_aws.js.map b/node_modules/mongodb/lib/cmap/auth/mongodb_aws.js.map
new file mode 100644
index 000000000..f88f08b05
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/mongodb_aws.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"mongodb_aws.js","sourceRoot":"","sources":["../../../src/cmap/auth/mongodb_aws.ts"],"names":[],"mappings":";;;AAAA,iCAAiC;AACjC,6BAA6B;AAC7B,2BAA2B;AAG3B,mCAAmC;AACnC,qCAAkC;AAClC,uCAKqB;AACrB,uCAA2D;AAC3D,mDAA4D;AAC5D,2DAAuD;AACvD,2CAA4C;AAE5C,MAAM,OAAO,GAAG,GAAG,CAAC;AACpB,MAAM,gBAAgB,GAAG,sBAAsB,CAAC;AAChD,MAAM,WAAW,GAAG,wBAAwB,CAAC;AAC7C,MAAM,YAAY,GAAG,4CAA4C,CAAC;AAClE,MAAM,WAAW,GAAyB;IACxC,YAAY,EAAE,IAAI;IAClB,aAAa,EAAE,IAAI;IACnB,cAAc,EAAE,KAAK;IACrB,UAAU,EAAE,KAAK;CAClB,CAAC;AAQF,MAAa,UAAW,SAAQ,4BAAY;IACjC,IAAI,CAAC,WAAwB,EAAE,QAAkB;QACxD,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,GAAG,WAAW,CAAC;QAChD,IAAI,CAAC,WAAW,EAAE;YAChB,OAAO,QAAQ,CAAC,IAAI,oCAA4B,CAAC,uCAAuC,CAAC,CAAC,CAAC;SAC5F;QAED,IAAI,cAAc,IAAI,WAAI,EAAE;YAC1B,OAAO,QAAQ,CAAC,WAAI,CAAC,cAAc,CAAC,CAAC,CAAC;SACvC;QACD,MAAM,EAAE,IAAI,EAAE,GAAG,WAAI,CAAC;QAEtB,IAAI,IAAA,sBAAc,EAAC,UAAU,CAAC,GAAG,CAAC,EAAE;YAClC,QAAQ,CACN,IAAI,+BAAuB,CACzB,kEAAkE,CACnE,CACF,CAAC;YACF,OAAO;SACR;QAED,IAAI,CAAC,WAAW,CAAC,QAAQ,EAAE;YACzB,mBAAmB,CAAC,WAAW,EAAE,CAAC,GAAG,EAAE,eAAe,EAAE,EAAE;gBACxD,IAAI,GAAG,IAAI,CAAC,eAAe;oBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;gBAElD,WAAW,CAAC,WAAW,GAAG,eAAe,CAAC;gBAC1C,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE,QAAQ,CAAC,CAAC;YACnC,CAAC,CAAC,CAAC;YAEH,OAAO;SACR;QAED,MAAM,WAAW,GAAG,WAAW,CAAC,QAAQ,CAAC;QACzC,MAAM,eAAe,GAAG,WAAW,CAAC,QAAQ,CAAC;QAC7C,MAAM,YAAY,GAAG,WAAW,CAAC,mBAAmB,CAAC,iBAAiB,CAAC;QAEvE,kGAAkG;QAClG,MAAM,cAAc,GAClB,WAAW,IAAI,eAAe,IAAI,YAAY;YAC5C,CAAC,CAAC,EAAE,WAAW,EAAE,eAAe,EAAE,YAAY,EAAE;YAChD,CAAC,CAAC,WAAW,IAAI,eAAe;gBAChC,CAAC,CAAC,EAAE,WAAW,EAAE,eAAe,EAAE;gBAClC,CAAC,CAAC,SAAS,CAAC;QAEhB,MAAM,EAAE,GAAG,WAAW,CAAC,MAAM,CAAC;QAC9B,MAAM,CAAC,WAAW,CAAC,EAAE,EAAE,CAAC,GAAG,EAAE,KAAK,EAAE,EAAE;YACpC,IAAI,GAAG,EAAE;gBACP,QAAQ,CAAC,GAAG,CAAC,CAAC;gBACd,OAAO;aACR;YAED,MAAM,SAAS,GAAG;gBAChB,SAAS,EAAE,CAAC;gBACZ,SAAS,EAAE,aAAa;gBACxB,OAAO,EAAE,IAAI,CAAC,SAAS,CAAC,EAAE,CAAC,EAAE,KAAK,EAAE,CAAC,EAAE,OAAO,EAAE,EAAE,WAAW,CAAC;aAC/D,CAAC;YAEF,UAAU,CAAC,OAAO,CAAC,IAAA,UAAE,EAAC,GAAG,EAAE,OAAO,CAAC,EAAE,SAAS,EAAE,SAAS,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;gBACtE,IAAI,GAAG;oBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;gBAE9B,MAAM,cAAc,GAAG,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,OAAO,CAAC,MAAM,EAAE,WAAW,CAGtE,CAAC;gBACF,MAAM,IAAI,GAAG,cAAc,CAAC,CAAC,CAAC;gBAC9B,MAAM,WAAW,GAAG,cAAc,CAAC,CAAC,CAAC,MAAM,CAAC;gBAC5C,IAAI,WAAW,CAAC,MAAM,KAAK,EAAE,EAAE;oBAC7B,QAAQ;oBACN,kBAAkB;oBAClB,IAAI,yBAAiB,CAAC,+BAA+B,WAAW,CAAC,MAAM,eAAe,CAAC,CACxF,CAAC;oBAEF,OAAO;iBACR;gBAED,IAAI,WAAW,CAAC,OAAO,CAAC,KAAK,EAAE,CAAC,EAAE,KAAK,CAAC,MAAM,EAAE,CAAC,EAAE,KAAK,CAAC,MAAM,CAAC,KAAK,CAAC,EAAE;oBACtE,kBAAkB;oBAClB,QAAQ,CAAC,IAAI,yBAAiB,CAAC,+CAA+C,CAAC,CAAC,CAAC;oBACjF,OAAO;iBACR;gBAED,IAAI,IAAI,CAAC,MAAM,GAAG,CAAC,IAAI,IAAI,CAAC,MAAM,GAAG,GAAG,IAAI,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC,EAAE;oBACrE,kBAAkB;oBAClB,QAAQ,CAAC,IAAI,yBAAiB,CAAC,qCAAqC,IAAI,GAAG,CAAC,CAAC,CAAC;oBAC9E,OAAO;iBACR;gBAED,MAAM,IAAI,GAAG,6CAA6C,CAAC;gBAC3D,MAAM,OAAO,GAAG,IAAI,CAClB;oBACE,MAAM,EAAE,MAAM;oBACd,IAAI;oBACJ,MAAM,EAAE,YAAY,CAAC,cAAc,CAAC,CAAC,CAAC;oBACtC,OAAO,EAAE,KAAK;oBACd,OAAO,EAAE;wBACP,cAAc,EAAE,mCAAmC;wBACnD,gBAAgB,EAAE,IAAI,CAAC,MAAM;wBAC7B,wBAAwB,EAAE,WAAW,CAAC,QAAQ,CAAC,QAAQ,CAAC;wBACxD,uBAAuB,EAAE,GAAG;qBAC7B;oBACD,IAAI,EAAE,GAAG;oBACT,IAAI;iBACL,EACD,cAAc,CACf,CAAC;gBAEF,MAAM,OAAO,GAA2B;oBACtC,CAAC,EAAE,OAAO,CAAC,OAAO,CAAC,aAAa;oBAChC,CAAC,EAAE,OAAO,CAAC,OAAO,CAAC,YAAY,CAAC;iBACjC,CAAC;gBACF,IAAI,YAAY,EAAE;oBAChB,OAAO,CAAC,CAAC,GAAG,YAAY,CAAC;iBAC1B;gBAED,MAAM,YAAY,GAAG;oBACnB,YAAY,EAAE,CAAC;oBACf,cAAc,EAAE,CAAC;oBACjB,OAAO,EAAE,IAAI,CAAC,SAAS,CAAC,OAAO,EAAE,WAAW,CAAC;iBAC9C,CAAC;gBAEF,UAAU,CAAC,OAAO,CAAC,IAAA,UAAE,EAAC,GAAG,EAAE,OAAO,CAAC,EAAE,YAAY,EAAE,SAAS,EAAE,QAAQ,CAAC,CAAC;YAC1E,CAAC,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA5HD,gCA4HC;AAUD,SAAS,mBAAmB,CAAC,WAA6B,EAAE,QAAoC;IAC9F,SAAS,IAAI,CAAC,KAAyB;QACrC,IAAI,CAAC,KAAK,CAAC,WAAW,IAAI,CAAC,KAAK,CAAC,eAAe,IAAI,CAAC,KAAK,CAAC,KAAK,EAAE;YAChE,QAAQ,CACN,IAAI,oCAA4B,CAAC,oDAAoD,CAAC,CACvF,CAAC;YACF,OAAO;SACR;QAED,QAAQ,CACN,SAAS,EACT,IAAI,oCAAgB,CAAC;YACnB,QAAQ,EAAE,KAAK,CAAC,WAAW;YAC3B,QAAQ,EAAE,KAAK,CAAC,eAAe;YAC/B,MAAM,EAAE,WAAW,CAAC,MAAM;YAC1B,SAAS,EAAE,yBAAa,CAAC,WAAW;YACpC,mBAAmB,EAAE;gBACnB,iBAAiB,EAAE,KAAK,CAAC,KAAK;aAC/B;SACF,CAAC,CACH,CAAC;IACJ,CAAC;IAED,qEAAqE;IACrE,sEAAsE;IACtE,IAAI,OAAO,CAAC,GAAG,CAAC,sCAAsC,EAAE;QACtD,OAAO,CACL,GAAG,gBAAgB,GAAG,OAAO,CAAC,GAAG,CAAC,sCAAsC,EAAE,EAC1E,SAAS,EACT,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;YACX,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC9B,IAAI,CAAC,GAAG,CAAC,CAAC;QACZ,CAAC,CACF,CAAC;QAEF,OAAO;KACR;IAED,6CAA6C;IAE7C,cAAc;IACd,OAAO,CACL,GAAG,WAAW,mBAAmB,EACjC,EAAE,MAAM,EAAE,KAAK,EAAE,IAAI,EAAE,KAAK,EAAE,OAAO,EAAE,EAAE,sCAAsC,EAAE,EAAE,EAAE,EAAE,EACvF,CAAC,GAAG,EAAE,KAAK,EAAE,EAAE;QACb,IAAI,GAAG;YAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;QAE9B,gBAAgB;QAChB,OAAO,CACL,GAAG,WAAW,IAAI,YAAY,EAAE,EAChC,EAAE,IAAI,EAAE,KAAK,EAAE,OAAO,EAAE,EAAE,0BAA0B,EAAE,KAAK,EAAE,EAAE,EAC/D,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;YAChB,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAE9B,uBAAuB;YACvB,OAAO,CACL,GAAG,WAAW,IAAI,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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/plain.js b/node_modules/mongodb/lib/cmap/auth/plain.js
new file mode 100644
index 000000000..e7153a58c
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/plain.js
@@ -0,0 +1,27 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Plain = void 0;
+const bson_1 = require("../../bson");
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const auth_provider_1 = require("./auth_provider");
+class Plain extends auth_provider_1.AuthProvider {
+    auth(authContext, callback) {
+        const { connection, credentials } = authContext;
+        if (!credentials) {
+            return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+        }
+        const username = credentials.username;
+        const password = credentials.password;
+        const payload = new bson_1.Binary(Buffer.from(`\x00${username}\x00${password}`));
+        const command = {
+            saslStart: 1,
+            mechanism: 'PLAIN',
+            payload: payload,
+            autoAuthorize: 1
+        };
+        connection.command((0, utils_1.ns)('$external.$cmd'), command, undefined, callback);
+    }
+}
+exports.Plain = Plain;
+//# sourceMappingURL=plain.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/plain.js.map b/node_modules/mongodb/lib/cmap/auth/plain.js.map
new file mode 100644
index 000000000..a03580a35
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/plain.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"plain.js","sourceRoot":"","sources":["../../../src/cmap/auth/plain.ts"],"names":[],"mappings":";;;AAAA,qCAAoC;AACpC,uCAA2D;AAC3D,uCAA2C;AAC3C,mDAA4D;AAE5D,MAAa,KAAM,SAAQ,4BAAY;IAC5B,IAAI,CAAC,WAAwB,EAAE,QAAkB;QACxD,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,GAAG,WAAW,CAAC;QAChD,IAAI,CAAC,WAAW,EAAE;YAChB,OAAO,QAAQ,CAAC,IAAI,oCAA4B,CAAC,uCAAuC,CAAC,CAAC,CAAC;SAC5F;QACD,MAAM,QAAQ,GAAG,WAAW,CAAC,QAAQ,CAAC;QACtC,MAAM,QAAQ,GAAG,WAAW,CAAC,QAAQ,CAAC;QAEtC,MAAM,OAAO,GAAG,IAAI,aAAM,CAAC,MAAM,CAAC,IAAI,CAAC,OAAO,QAAQ,OAAO,QAAQ,EAAE,CAAC,CAAC,CAAC;QAC1E,MAAM,OAAO,GAAG;YACd,SAAS,EAAE,CAAC;YACZ,SAAS,EAAE,OAAO;YAClB,OAAO,EAAE,OAAO;YAChB,aAAa,EAAE,CAAC;SACjB,CAAC;QAEF,UAAU,CAAC,OAAO,CAAC,IAAA,UAAE,EAAC,gBAAgB,CAAC,EAAE,OAAO,EAAE,SAAS,EAAE,QAAQ,CAAC,CAAC;IACzE,CAAC;CACF;AAnBD,sBAmBC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/providers.js b/node_modules/mongodb/lib/cmap/auth/providers.js
new file mode 100644
index 000000000..d287765f0
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/providers.js
@@ -0,0 +1,21 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AUTH_MECHS_AUTH_SRC_EXTERNAL = exports.AuthMechanism = void 0;
+/** @public */
+exports.AuthMechanism = Object.freeze({
+    MONGODB_AWS: 'MONGODB-AWS',
+    MONGODB_CR: 'MONGODB-CR',
+    MONGODB_DEFAULT: 'DEFAULT',
+    MONGODB_GSSAPI: 'GSSAPI',
+    MONGODB_PLAIN: 'PLAIN',
+    MONGODB_SCRAM_SHA1: 'SCRAM-SHA-1',
+    MONGODB_SCRAM_SHA256: 'SCRAM-SHA-256',
+    MONGODB_X509: 'MONGODB-X509'
+});
+/** @internal */
+exports.AUTH_MECHS_AUTH_SRC_EXTERNAL = new Set([
+    exports.AuthMechanism.MONGODB_GSSAPI,
+    exports.AuthMechanism.MONGODB_AWS,
+    exports.AuthMechanism.MONGODB_X509
+]);
+//# sourceMappingURL=providers.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/providers.js.map b/node_modules/mongodb/lib/cmap/auth/providers.js.map
new file mode 100644
index 000000000..48b58e79e
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/providers.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"providers.js","sourceRoot":"","sources":["../../../src/cmap/auth/providers.ts"],"names":[],"mappings":";;;AAAA,cAAc;AACD,QAAA,aAAa,GAAG,MAAM,CAAC,MAAM,CAAC;IACzC,WAAW,EAAE,aAAa;IAC1B,UAAU,EAAE,YAAY;IACxB,eAAe,EAAE,SAAS;IAC1B,cAAc,EAAE,QAAQ;IACxB,aAAa,EAAE,OAAO;IACtB,kBAAkB,EAAE,aAAa;IACjC,oBAAoB,EAAE,eAAe;IACrC,YAAY,EAAE,cAAc;CACpB,CAAC,CAAC;AAKZ,gBAAgB;AACH,QAAA,4BAA4B,GAAG,IAAI,GAAG,CAAgB;IACjE,qBAAa,CAAC,cAAc;IAC5B,qBAAa,CAAC,WAAW;IACzB,qBAAa,CAAC,YAAY;CAC3B,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/scram.js b/node_modules/mongodb/lib/cmap/auth/scram.js
new file mode 100644
index 000000000..00a77ac00
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/scram.js
@@ -0,0 +1,288 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ScramSHA256 = exports.ScramSHA1 = void 0;
+const crypto = require("crypto");
+const bson_1 = require("../../bson");
+const deps_1 = require("../../deps");
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const auth_provider_1 = require("./auth_provider");
+const providers_1 = require("./providers");
+class ScramSHA extends auth_provider_1.AuthProvider {
+    constructor(cryptoMethod) {
+        super();
+        this.cryptoMethod = cryptoMethod || 'sha1';
+    }
+    prepare(handshakeDoc, authContext, callback) {
+        const cryptoMethod = this.cryptoMethod;
+        const credentials = authContext.credentials;
+        if (!credentials) {
+            return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+        }
+        if (cryptoMethod === 'sha256' && deps_1.saslprep == null) {
+            (0, utils_1.emitWarning)('Warning: no saslprep library specified. Passwords will not be sanitized');
+        }
+        crypto.randomBytes(24, (err, nonce) => {
+            if (err) {
+                return callback(err);
+            }
+            // store the nonce for later use
+            Object.assign(authContext, { nonce });
+            const request = Object.assign({}, handshakeDoc, {
+                speculativeAuthenticate: Object.assign(makeFirstMessage(cryptoMethod, credentials, nonce), {
+                    db: credentials.source
+                })
+            });
+            callback(undefined, request);
+        });
+    }
+    auth(authContext, callback) {
+        const response = authContext.response;
+        if (response && response.speculativeAuthenticate) {
+            continueScramConversation(this.cryptoMethod, response.speculativeAuthenticate, authContext, callback);
+            return;
+        }
+        executeScram(this.cryptoMethod, authContext, callback);
+    }
+}
+function cleanUsername(username) {
+    return username.replace('=', '=3D').replace(',', '=2C');
+}
+function clientFirstMessageBare(username, nonce) {
+    // NOTE: This is done b/c Javascript uses UTF-16, but the server is hashing in UTF-8.
+    // Since the username is not sasl-prep-d, we need to do this here.
+    return Buffer.concat([
+        Buffer.from('n=', 'utf8'),
+        Buffer.from(username, 'utf8'),
+        Buffer.from(',r=', 'utf8'),
+        Buffer.from(nonce.toString('base64'), 'utf8')
+    ]);
+}
+function makeFirstMessage(cryptoMethod, credentials, nonce) {
+    const username = cleanUsername(credentials.username);
+    const mechanism = cryptoMethod === 'sha1' ? providers_1.AuthMechanism.MONGODB_SCRAM_SHA1 : providers_1.AuthMechanism.MONGODB_SCRAM_SHA256;
+    // NOTE: This is done b/c Javascript uses UTF-16, but the server is hashing in UTF-8.
+    // Since the username is not sasl-prep-d, we need to do this here.
+    return {
+        saslStart: 1,
+        mechanism,
+        payload: new bson_1.Binary(Buffer.concat([Buffer.from('n,,', 'utf8'), clientFirstMessageBare(username, nonce)])),
+        autoAuthorize: 1,
+        options: { skipEmptyExchange: true }
+    };
+}
+function executeScram(cryptoMethod, authContext, callback) {
+    const { connection, credentials } = authContext;
+    if (!credentials) {
+        return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    if (!authContext.nonce) {
+        return callback(new error_1.MongoInvalidArgumentError('AuthContext must contain a valid nonce property'));
+    }
+    const nonce = authContext.nonce;
+    const db = credentials.source;
+    const saslStartCmd = makeFirstMessage(cryptoMethod, credentials, nonce);
+    connection.command((0, utils_1.ns)(`${db}.$cmd`), saslStartCmd, undefined, (_err, result) => {
+        const err = resolveError(_err, result);
+        if (err) {
+            return callback(err);
+        }
+        continueScramConversation(cryptoMethod, result, authContext, callback);
+    });
+}
+function continueScramConversation(cryptoMethod, response, authContext, callback) {
+    const connection = authContext.connection;
+    const credentials = authContext.credentials;
+    if (!credentials) {
+        return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    if (!authContext.nonce) {
+        return callback(new error_1.MongoInvalidArgumentError('Unable to continue SCRAM without valid nonce'));
+    }
+    const nonce = authContext.nonce;
+    const db = credentials.source;
+    const username = cleanUsername(credentials.username);
+    const password = credentials.password;
+    let processedPassword;
+    if (cryptoMethod === 'sha256') {
+        processedPassword = 'kModuleError' in deps_1.saslprep ? password : (0, deps_1.saslprep)(password);
+    }
+    else {
+        try {
+            processedPassword = passwordDigest(username, password);
+        }
+        catch (e) {
+            return callback(e);
+        }
+    }
+    const payload = Buffer.isBuffer(response.payload)
+        ? new bson_1.Binary(response.payload)
+        : response.payload;
+    const dict = parsePayload(payload.value());
+    const iterations = parseInt(dict.i, 10);
+    if (iterations && iterations < 4096) {
+        callback(
+        // TODO(NODE-3483)
+        new error_1.MongoRuntimeError(`Server returned an invalid iteration count ${iterations}`), false);
+        return;
+    }
+    const salt = dict.s;
+    const rnonce = dict.r;
+    if (rnonce.startsWith('nonce')) {
+        // TODO(NODE-3483)
+        callback(new error_1.MongoRuntimeError(`Server returned an invalid nonce: ${rnonce}`), false);
+        return;
+    }
+    // Set up start of proof
+    const withoutProof = `c=biws,r=${rnonce}`;
+    const saltedPassword = HI(processedPassword, Buffer.from(salt, 'base64'), iterations, cryptoMethod);
+    const clientKey = HMAC(cryptoMethod, saltedPassword, 'Client Key');
+    const serverKey = HMAC(cryptoMethod, saltedPassword, 'Server Key');
+    const storedKey = H(cryptoMethod, clientKey);
+    const authMessage = [clientFirstMessageBare(username, nonce), payload.value(), withoutProof].join(',');
+    const clientSignature = HMAC(cryptoMethod, storedKey, authMessage);
+    const clientProof = `p=${xor(clientKey, clientSignature)}`;
+    const clientFinal = [withoutProof, clientProof].join(',');
+    const serverSignature = HMAC(cryptoMethod, serverKey, authMessage);
+    const saslContinueCmd = {
+        saslContinue: 1,
+        conversationId: response.conversationId,
+        payload: new bson_1.Binary(Buffer.from(clientFinal))
+    };
+    connection.command((0, utils_1.ns)(`${db}.$cmd`), saslContinueCmd, undefined, (_err, r) => {
+        const err = resolveError(_err, r);
+        if (err) {
+            return callback(err);
+        }
+        const parsedResponse = parsePayload(r.payload.value());
+        if (!compareDigest(Buffer.from(parsedResponse.v, 'base64'), serverSignature)) {
+            callback(new error_1.MongoRuntimeError('Server returned an invalid signature'));
+            return;
+        }
+        if (!r || r.done !== false) {
+            return callback(err, r);
+        }
+        const retrySaslContinueCmd = {
+            saslContinue: 1,
+            conversationId: r.conversationId,
+            payload: Buffer.alloc(0)
+        };
+        connection.command((0, utils_1.ns)(`${db}.$cmd`), retrySaslContinueCmd, undefined, callback);
+    });
+}
+function parsePayload(payload) {
+    const dict = {};
+    const parts = payload.split(',');
+    for (let i = 0; i < parts.length; i++) {
+        const valueParts = parts[i].split('=');
+        dict[valueParts[0]] = valueParts[1];
+    }
+    return dict;
+}
+function passwordDigest(username, password) {
+    if (typeof username !== 'string') {
+        throw new error_1.MongoInvalidArgumentError('Username must be a string');
+    }
+    if (typeof password !== 'string') {
+        throw new error_1.MongoInvalidArgumentError('Password must be a string');
+    }
+    if (password.length === 0) {
+        throw new error_1.MongoInvalidArgumentError('Password cannot be empty');
+    }
+    let md5;
+    try {
+        md5 = crypto.createHash('md5');
+    }
+    catch (err) {
+        if (crypto.getFips()) {
+            // This error is (slightly) more helpful than what comes from OpenSSL directly, e.g.
+            // 'Error: error:060800C8:digital envelope routines:EVP_DigestInit_ex:disabled for FIPS'
+            throw new Error('Auth mechanism SCRAM-SHA-1 is not supported in FIPS mode');
+        }
+        throw err;
+    }
+    md5.update(`${username}:mongo:${password}`, 'utf8');
+    return md5.digest('hex');
+}
+// XOR two buffers
+function xor(a, b) {
+    if (!Buffer.isBuffer(a)) {
+        a = Buffer.from(a);
+    }
+    if (!Buffer.isBuffer(b)) {
+        b = Buffer.from(b);
+    }
+    const length = Math.max(a.length, b.length);
+    const res = [];
+    for (let i = 0; i < length; i += 1) {
+        res.push(a[i] ^ b[i]);
+    }
+    return Buffer.from(res).toString('base64');
+}
+function H(method, text) {
+    return crypto.createHash(method).update(text).digest();
+}
+function HMAC(method, key, text) {
+    return crypto.createHmac(method, key).update(text).digest();
+}
+let _hiCache = {};
+let _hiCacheCount = 0;
+function _hiCachePurge() {
+    _hiCache = {};
+    _hiCacheCount = 0;
+}
+const hiLengthMap = {
+    sha256: 32,
+    sha1: 20
+};
+function HI(data, salt, iterations, cryptoMethod) {
+    // omit the work if already generated
+    const key = [data, salt.toString('base64'), iterations].join('_');
+    if (_hiCache[key] != null) {
+        return _hiCache[key];
+    }
+    // generate the salt
+    const saltedData = crypto.pbkdf2Sync(data, salt, iterations, hiLengthMap[cryptoMethod], cryptoMethod);
+    // cache a copy to speed up the next lookup, but prevent unbounded cache growth
+    if (_hiCacheCount >= 200) {
+        _hiCachePurge();
+    }
+    _hiCache[key] = saltedData;
+    _hiCacheCount += 1;
+    return saltedData;
+}
+function compareDigest(lhs, rhs) {
+    if (lhs.length !== rhs.length) {
+        return false;
+    }
+    if (typeof crypto.timingSafeEqual === 'function') {
+        return crypto.timingSafeEqual(lhs, rhs);
+    }
+    let result = 0;
+    for (let i = 0; i < lhs.length; i++) {
+        result |= lhs[i] ^ rhs[i];
+    }
+    return result === 0;
+}
+function resolveError(err, result) {
+    if (err)
+        return err;
+    if (result) {
+        if (result.$err || result.errmsg)
+            return new error_1.MongoServerError(result);
+    }
+    return;
+}
+class ScramSHA1 extends ScramSHA {
+    constructor() {
+        super('sha1');
+    }
+}
+exports.ScramSHA1 = ScramSHA1;
+class ScramSHA256 extends ScramSHA {
+    constructor() {
+        super('sha256');
+    }
+}
+exports.ScramSHA256 = ScramSHA256;
+//# sourceMappingURL=scram.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/scram.js.map b/node_modules/mongodb/lib/cmap/auth/scram.js.map
new file mode 100644
index 000000000..c94940db2
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/scram.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/x509.js b/node_modules/mongodb/lib/cmap/auth/x509.js
new file mode 100644
index 000000000..02fe38539
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/x509.js
@@ -0,0 +1,39 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.X509 = void 0;
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const auth_provider_1 = require("./auth_provider");
+class X509 extends auth_provider_1.AuthProvider {
+    prepare(handshakeDoc, authContext, callback) {
+        const { credentials } = authContext;
+        if (!credentials) {
+            return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+        }
+        Object.assign(handshakeDoc, {
+            speculativeAuthenticate: x509AuthenticateCommand(credentials)
+        });
+        callback(undefined, handshakeDoc);
+    }
+    auth(authContext, callback) {
+        const connection = authContext.connection;
+        const credentials = authContext.credentials;
+        if (!credentials) {
+            return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+        }
+        const response = authContext.response;
+        if (response && response.speculativeAuthenticate) {
+            return callback();
+        }
+        connection.command((0, utils_1.ns)('$external.$cmd'), x509AuthenticateCommand(credentials), undefined, callback);
+    }
+}
+exports.X509 = X509;
+function x509AuthenticateCommand(credentials) {
+    const command = { authenticate: 1, mechanism: 'MONGODB-X509' };
+    if (credentials.username) {
+        command.user = credentials.username;
+    }
+    return command;
+}
+//# sourceMappingURL=x509.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/auth/x509.js.map b/node_modules/mongodb/lib/cmap/auth/x509.js.map
new file mode 100644
index 000000000..84af5792f
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/auth/x509.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/command_monitoring_events.js b/node_modules/mongodb/lib/cmap/command_monitoring_events.js
new file mode 100644
index 000000000..7bcfe3f5a
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/command_monitoring_events.js
@@ -0,0 +1,243 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CommandFailedEvent = exports.CommandSucceededEvent = exports.CommandStartedEvent = void 0;
+const constants_1 = require("../constants");
+const utils_1 = require("../utils");
+const commands_1 = require("./commands");
+/**
+ * An event indicating the start of a given
+ * @public
+ * @category Event
+ */
+class CommandStartedEvent {
+    /**
+     * Create a started event
+     *
+     * @internal
+     * @param pool - the pool that originated the command
+     * @param command - the command
+     */
+    constructor(connection, command) {
+        const cmd = extractCommand(command);
+        const commandName = extractCommandName(cmd);
+        const { address, connectionId, serviceId } = extractConnectionDetails(connection);
+        // TODO: remove in major revision, this is not spec behavior
+        if (SENSITIVE_COMMANDS.has(commandName)) {
+            this.commandObj = {};
+            this.commandObj[commandName] = true;
+        }
+        this.address = address;
+        this.connectionId = connectionId;
+        this.serviceId = serviceId;
+        this.requestId = command.requestId;
+        this.databaseName = databaseName(command);
+        this.commandName = commandName;
+        this.command = maybeRedact(commandName, cmd, cmd);
+    }
+    /* @internal */
+    get hasServiceId() {
+        return !!this.serviceId;
+    }
+}
+exports.CommandStartedEvent = CommandStartedEvent;
+/**
+ * An event indicating the success of a given command
+ * @public
+ * @category Event
+ */
+class CommandSucceededEvent {
+    /**
+     * Create a succeeded event
+     *
+     * @internal
+     * @param pool - the pool that originated the command
+     * @param command - the command
+     * @param reply - the reply for this command from the server
+     * @param started - a high resolution tuple timestamp of when the command was first sent, to calculate duration
+     */
+    constructor(connection, command, reply, started) {
+        const cmd = extractCommand(command);
+        const commandName = extractCommandName(cmd);
+        const { address, connectionId, serviceId } = extractConnectionDetails(connection);
+        this.address = address;
+        this.connectionId = connectionId;
+        this.serviceId = serviceId;
+        this.requestId = command.requestId;
+        this.commandName = commandName;
+        this.duration = (0, utils_1.calculateDurationInMs)(started);
+        this.reply = maybeRedact(commandName, cmd, extractReply(command, reply));
+    }
+    /* @internal */
+    get hasServiceId() {
+        return !!this.serviceId;
+    }
+}
+exports.CommandSucceededEvent = CommandSucceededEvent;
+/**
+ * An event indicating the failure of a given command
+ * @public
+ * @category Event
+ */
+class CommandFailedEvent {
+    /**
+     * Create a failure event
+     *
+     * @internal
+     * @param pool - the pool that originated the command
+     * @param command - the command
+     * @param error - the generated error or a server error response
+     * @param started - a high resolution tuple timestamp of when the command was first sent, to calculate duration
+     */
+    constructor(connection, command, error, started) {
+        const cmd = extractCommand(command);
+        const commandName = extractCommandName(cmd);
+        const { address, connectionId, serviceId } = extractConnectionDetails(connection);
+        this.address = address;
+        this.connectionId = connectionId;
+        this.serviceId = serviceId;
+        this.requestId = command.requestId;
+        this.commandName = commandName;
+        this.duration = (0, utils_1.calculateDurationInMs)(started);
+        this.failure = maybeRedact(commandName, cmd, error);
+    }
+    /* @internal */
+    get hasServiceId() {
+        return !!this.serviceId;
+    }
+}
+exports.CommandFailedEvent = CommandFailedEvent;
+/** Commands that we want to redact because of the sensitive nature of their contents */
+const SENSITIVE_COMMANDS = new Set([
+    'authenticate',
+    'saslStart',
+    'saslContinue',
+    'getnonce',
+    'createUser',
+    'updateUser',
+    'copydbgetnonce',
+    'copydbsaslstart',
+    'copydb'
+]);
+const HELLO_COMMANDS = new Set(['hello', constants_1.LEGACY_HELLO_COMMAND, constants_1.LEGACY_HELLO_COMMAND_CAMEL_CASE]);
+// helper methods
+const extractCommandName = (commandDoc) => Object.keys(commandDoc)[0];
+const namespace = (command) => command.ns;
+const databaseName = (command) => command.ns.split('.')[0];
+const collectionName = (command) => command.ns.split('.')[1];
+const maybeRedact = (commandName, commandDoc, result) => SENSITIVE_COMMANDS.has(commandName) ||
+    (HELLO_COMMANDS.has(commandName) && commandDoc.speculativeAuthenticate)
+    ? {}
+    : result;
+const LEGACY_FIND_QUERY_MAP = {
+    $query: 'filter',
+    $orderby: 'sort',
+    $hint: 'hint',
+    $comment: 'comment',
+    $maxScan: 'maxScan',
+    $max: 'max',
+    $min: 'min',
+    $returnKey: 'returnKey',
+    $showDiskLoc: 'showRecordId',
+    $maxTimeMS: 'maxTimeMS',
+    $snapshot: 'snapshot'
+};
+const LEGACY_FIND_OPTIONS_MAP = {
+    numberToSkip: 'skip',
+    numberToReturn: 'batchSize',
+    returnFieldSelector: 'projection'
+};
+const OP_QUERY_KEYS = [
+    'tailable',
+    'oplogReplay',
+    'noCursorTimeout',
+    'awaitData',
+    'partial',
+    'exhaust'
+];
+/** Extract the actual command from the query, possibly up-converting if it's a legacy format */
+function extractCommand(command) {
+    var _a;
+    if (command instanceof commands_1.Msg) {
+        return (0, utils_1.deepCopy)(command.command);
+    }
+    if ((_a = command.query) === null || _a === void 0 ? void 0 : _a.$query) {
+        let result;
+        if (command.ns === 'admin.$cmd') {
+            // up-convert legacy command
+            result = Object.assign({}, command.query.$query);
+        }
+        else {
+            // up-convert legacy find command
+            result = { find: collectionName(command) };
+            Object.keys(LEGACY_FIND_QUERY_MAP).forEach(key => {
+                if (command.query[key] != null) {
+                    result[LEGACY_FIND_QUERY_MAP[key]] = (0, utils_1.deepCopy)(command.query[key]);
+                }
+            });
+        }
+        Object.keys(LEGACY_FIND_OPTIONS_MAP).forEach(key => {
+            const legacyKey = key;
+            if (command[legacyKey] != null) {
+                result[LEGACY_FIND_OPTIONS_MAP[legacyKey]] = (0, utils_1.deepCopy)(command[legacyKey]);
+            }
+        });
+        OP_QUERY_KEYS.forEach(key => {
+            if (command[key]) {
+                result[key] = command[key];
+            }
+        });
+        if (command.pre32Limit != null) {
+            result.limit = command.pre32Limit;
+        }
+        if (command.query.$explain) {
+            return { explain: result };
+        }
+        return result;
+    }
+    const clonedQuery = {};
+    const clonedCommand = {};
+    if (command.query) {
+        for (const k in command.query) {
+            clonedQuery[k] = (0, utils_1.deepCopy)(command.query[k]);
+        }
+        clonedCommand.query = clonedQuery;
+    }
+    for (const k in command) {
+        if (k === 'query')
+            continue;
+        clonedCommand[k] = (0, utils_1.deepCopy)(command[k]);
+    }
+    return command.query ? clonedQuery : clonedCommand;
+}
+function extractReply(command, reply) {
+    if (!reply) {
+        return reply;
+    }
+    if (command instanceof commands_1.Msg) {
+        return (0, utils_1.deepCopy)(reply.result ? reply.result : reply);
+    }
+    // is this a legacy find command?
+    if (command.query && command.query.$query != null) {
+        return {
+            ok: 1,
+            cursor: {
+                id: (0, utils_1.deepCopy)(reply.cursorId),
+                ns: namespace(command),
+                firstBatch: (0, utils_1.deepCopy)(reply.documents)
+            }
+        };
+    }
+    return (0, utils_1.deepCopy)(reply.result ? reply.result : reply);
+}
+function extractConnectionDetails(connection) {
+    let connectionId;
+    if ('id' in connection) {
+        connectionId = connection.id;
+    }
+    return {
+        address: connection.address,
+        serviceId: connection.serviceId,
+        connectionId
+    };
+}
+//# sourceMappingURL=command_monitoring_events.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/command_monitoring_events.js.map b/node_modules/mongodb/lib/cmap/command_monitoring_events.js.map
new file mode 100644
index 000000000..e88e96ff2
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/command_monitoring_events.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/commands.js b/node_modules/mongodb/lib/cmap/commands.js
new file mode 100644
index 000000000..1fce711c6
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/commands.js
@@ -0,0 +1,481 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.BinMsg = exports.Msg = exports.Response = exports.Query = void 0;
+const BSON = require("../bson");
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const utils_1 = require("../utils");
+const constants_1 = require("./wire_protocol/constants");
+// Incrementing request id
+let _requestId = 0;
+// Query flags
+const OPTS_TAILABLE_CURSOR = 2;
+const OPTS_SECONDARY = 4;
+const OPTS_OPLOG_REPLAY = 8;
+const OPTS_NO_CURSOR_TIMEOUT = 16;
+const OPTS_AWAIT_DATA = 32;
+const OPTS_EXHAUST = 64;
+const OPTS_PARTIAL = 128;
+// Response flags
+const CURSOR_NOT_FOUND = 1;
+const QUERY_FAILURE = 2;
+const SHARD_CONFIG_STALE = 4;
+const AWAIT_CAPABLE = 8;
+/**************************************************************
+ * QUERY
+ **************************************************************/
+/** @internal */
+class Query {
+    constructor(ns, query, options) {
+        // Basic options needed to be passed in
+        // TODO(NODE-3483): Replace with MongoCommandError
+        if (ns == null)
+            throw new error_1.MongoRuntimeError('Namespace must be specified for query');
+        // TODO(NODE-3483): Replace with MongoCommandError
+        if (query == null)
+            throw new error_1.MongoRuntimeError('A query document must be specified for query');
+        // Validate that we are not passing 0x00 in the collection name
+        if (ns.indexOf('\x00') !== -1) {
+            // TODO(NODE-3483): Use MongoNamespace static method
+            throw new error_1.MongoRuntimeError('Namespace cannot contain a null character');
+        }
+        // Basic options
+        this.ns = ns;
+        this.query = query;
+        // Additional options
+        this.numberToSkip = options.numberToSkip || 0;
+        this.numberToReturn = options.numberToReturn || 0;
+        this.returnFieldSelector = options.returnFieldSelector || undefined;
+        this.requestId = Query.getRequestId();
+        // special case for pre-3.2 find commands, delete ASAP
+        this.pre32Limit = options.pre32Limit;
+        // Serialization option
+        this.serializeFunctions =
+            typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+        this.ignoreUndefined =
+            typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : false;
+        this.maxBsonSize = options.maxBsonSize || 1024 * 1024 * 16;
+        this.checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+        this.batchSize = this.numberToReturn;
+        // Flags
+        this.tailable = false;
+        this.secondaryOk = typeof options.secondaryOk === 'boolean' ? options.secondaryOk : false;
+        this.oplogReplay = false;
+        this.noCursorTimeout = false;
+        this.awaitData = false;
+        this.exhaust = false;
+        this.partial = false;
+    }
+    /** Assign next request Id. */
+    incRequestId() {
+        this.requestId = _requestId++;
+    }
+    /** Peek next request Id. */
+    nextRequestId() {
+        return _requestId + 1;
+    }
+    /** Increment then return next request Id. */
+    static getRequestId() {
+        return ++_requestId;
+    }
+    // Uses a single allocated buffer for the process, avoiding multiple memory allocations
+    toBin() {
+        const buffers = [];
+        let projection = null;
+        // Set up the flags
+        let flags = 0;
+        if (this.tailable) {
+            flags |= OPTS_TAILABLE_CURSOR;
+        }
+        if (this.secondaryOk) {
+            flags |= OPTS_SECONDARY;
+        }
+        if (this.oplogReplay) {
+            flags |= OPTS_OPLOG_REPLAY;
+        }
+        if (this.noCursorTimeout) {
+            flags |= OPTS_NO_CURSOR_TIMEOUT;
+        }
+        if (this.awaitData) {
+            flags |= OPTS_AWAIT_DATA;
+        }
+        if (this.exhaust) {
+            flags |= OPTS_EXHAUST;
+        }
+        if (this.partial) {
+            flags |= OPTS_PARTIAL;
+        }
+        // If batchSize is different to this.numberToReturn
+        if (this.batchSize !== this.numberToReturn)
+            this.numberToReturn = this.batchSize;
+        // Allocate write protocol header buffer
+        const header = Buffer.alloc(4 * 4 + // Header
+            4 + // Flags
+            Buffer.byteLength(this.ns) +
+            1 + // namespace
+            4 + // numberToSkip
+            4 // numberToReturn
+        );
+        // Add header to buffers
+        buffers.push(header);
+        // Serialize the query
+        const query = BSON.serialize(this.query, {
+            checkKeys: this.checkKeys,
+            serializeFunctions: this.serializeFunctions,
+            ignoreUndefined: this.ignoreUndefined
+        });
+        // Add query document
+        buffers.push(query);
+        if (this.returnFieldSelector && Object.keys(this.returnFieldSelector).length > 0) {
+            // Serialize the projection document
+            projection = BSON.serialize(this.returnFieldSelector, {
+                checkKeys: this.checkKeys,
+                serializeFunctions: this.serializeFunctions,
+                ignoreUndefined: this.ignoreUndefined
+            });
+            // Add projection document
+            buffers.push(projection);
+        }
+        // Total message size
+        const totalLength = header.length + query.length + (projection ? projection.length : 0);
+        // Set up the index
+        let index = 4;
+        // Write total document length
+        header[3] = (totalLength >> 24) & 0xff;
+        header[2] = (totalLength >> 16) & 0xff;
+        header[1] = (totalLength >> 8) & 0xff;
+        header[0] = totalLength & 0xff;
+        // Write header information requestId
+        header[index + 3] = (this.requestId >> 24) & 0xff;
+        header[index + 2] = (this.requestId >> 16) & 0xff;
+        header[index + 1] = (this.requestId >> 8) & 0xff;
+        header[index] = this.requestId & 0xff;
+        index = index + 4;
+        // Write header information responseTo
+        header[index + 3] = (0 >> 24) & 0xff;
+        header[index + 2] = (0 >> 16) & 0xff;
+        header[index + 1] = (0 >> 8) & 0xff;
+        header[index] = 0 & 0xff;
+        index = index + 4;
+        // Write header information OP_QUERY
+        header[index + 3] = (constants_1.OP_QUERY >> 24) & 0xff;
+        header[index + 2] = (constants_1.OP_QUERY >> 16) & 0xff;
+        header[index + 1] = (constants_1.OP_QUERY >> 8) & 0xff;
+        header[index] = constants_1.OP_QUERY & 0xff;
+        index = index + 4;
+        // Write header information flags
+        header[index + 3] = (flags >> 24) & 0xff;
+        header[index + 2] = (flags >> 16) & 0xff;
+        header[index + 1] = (flags >> 8) & 0xff;
+        header[index] = flags & 0xff;
+        index = index + 4;
+        // Write collection name
+        index = index + header.write(this.ns, index, 'utf8') + 1;
+        header[index - 1] = 0;
+        // Write header information flags numberToSkip
+        header[index + 3] = (this.numberToSkip >> 24) & 0xff;
+        header[index + 2] = (this.numberToSkip >> 16) & 0xff;
+        header[index + 1] = (this.numberToSkip >> 8) & 0xff;
+        header[index] = this.numberToSkip & 0xff;
+        index = index + 4;
+        // Write header information flags numberToReturn
+        header[index + 3] = (this.numberToReturn >> 24) & 0xff;
+        header[index + 2] = (this.numberToReturn >> 16) & 0xff;
+        header[index + 1] = (this.numberToReturn >> 8) & 0xff;
+        header[index] = this.numberToReturn & 0xff;
+        index = index + 4;
+        // Return the buffers
+        return buffers;
+    }
+}
+exports.Query = Query;
+/** @internal */
+class Response {
+    constructor(message, msgHeader, msgBody, opts) {
+        this.documents = new Array(0);
+        this.parsed = false;
+        this.raw = message;
+        this.data = msgBody;
+        this.opts = opts !== null && opts !== void 0 ? opts : {
+            promoteLongs: true,
+            promoteValues: true,
+            promoteBuffers: false,
+            bsonRegExp: false
+        };
+        // Read the message header
+        this.length = msgHeader.length;
+        this.requestId = msgHeader.requestId;
+        this.responseTo = msgHeader.responseTo;
+        this.opCode = msgHeader.opCode;
+        this.fromCompressed = msgHeader.fromCompressed;
+        // Flag values
+        this.promoteLongs = typeof this.opts.promoteLongs === 'boolean' ? this.opts.promoteLongs : true;
+        this.promoteValues =
+            typeof this.opts.promoteValues === 'boolean' ? this.opts.promoteValues : true;
+        this.promoteBuffers =
+            typeof this.opts.promoteBuffers === 'boolean' ? this.opts.promoteBuffers : false;
+        this.bsonRegExp = typeof this.opts.bsonRegExp === 'boolean' ? this.opts.bsonRegExp : false;
+    }
+    isParsed() {
+        return this.parsed;
+    }
+    parse(options) {
+        var _a, _b, _c, _d;
+        // Don't parse again if not needed
+        if (this.parsed)
+            return;
+        options = options !== null && options !== void 0 ? options : {};
+        // Allow the return of raw documents instead of parsing
+        const raw = options.raw || false;
+        const documentsReturnedIn = options.documentsReturnedIn || null;
+        const promoteLongs = (_a = options.promoteLongs) !== null && _a !== void 0 ? _a : this.opts.promoteLongs;
+        const promoteValues = (_b = options.promoteValues) !== null && _b !== void 0 ? _b : this.opts.promoteValues;
+        const promoteBuffers = (_c = options.promoteBuffers) !== null && _c !== void 0 ? _c : this.opts.promoteBuffers;
+        const bsonRegExp = (_d = options.bsonRegExp) !== null && _d !== void 0 ? _d : this.opts.bsonRegExp;
+        let bsonSize;
+        // Set up the options
+        const _options = {
+            promoteLongs,
+            promoteValues,
+            promoteBuffers,
+            bsonRegExp
+        };
+        // Position within OP_REPLY at which documents start
+        // (See https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#wire-op-reply)
+        this.index = 20;
+        // Read the message body
+        this.responseFlags = this.data.readInt32LE(0);
+        this.cursorId = new BSON.Long(this.data.readInt32LE(4), this.data.readInt32LE(8));
+        this.startingFrom = this.data.readInt32LE(12);
+        this.numberReturned = this.data.readInt32LE(16);
+        // Preallocate document array
+        this.documents = new Array(this.numberReturned);
+        this.cursorNotFound = (this.responseFlags & CURSOR_NOT_FOUND) !== 0;
+        this.queryFailure = (this.responseFlags & QUERY_FAILURE) !== 0;
+        this.shardConfigStale = (this.responseFlags & SHARD_CONFIG_STALE) !== 0;
+        this.awaitCapable = (this.responseFlags & AWAIT_CAPABLE) !== 0;
+        // Parse Body
+        for (let i = 0; i < this.numberReturned; i++) {
+            bsonSize =
+                this.data[this.index] |
+                    (this.data[this.index + 1] << 8) |
+                    (this.data[this.index + 2] << 16) |
+                    (this.data[this.index + 3] << 24);
+            // If we have raw results specified slice the return document
+            if (raw) {
+                this.documents[i] = this.data.slice(this.index, this.index + bsonSize);
+            }
+            else {
+                this.documents[i] = BSON.deserialize(this.data.slice(this.index, this.index + bsonSize), _options);
+            }
+            // Adjust the index
+            this.index = this.index + bsonSize;
+        }
+        if (this.documents.length === 1 && documentsReturnedIn != null && raw) {
+            const fieldsAsRaw = {};
+            fieldsAsRaw[documentsReturnedIn] = true;
+            _options.fieldsAsRaw = fieldsAsRaw;
+            const doc = BSON.deserialize(this.documents[0], _options);
+            this.documents = [doc];
+        }
+        // Set parsed
+        this.parsed = true;
+    }
+}
+exports.Response = Response;
+// Implementation of OP_MSG spec:
+// https://github.com/mongodb/specifications/blob/master/source/message/OP_MSG.rst
+//
+// struct Section {
+//   uint8 payloadType;
+//   union payload {
+//       document  document; // payloadType == 0
+//       struct sequence { // payloadType == 1
+//           int32      size;
+//           cstring    identifier;
+//           document*  documents;
+//       };
+//   };
+// };
+// struct OP_MSG {
+//   struct MsgHeader {
+//       int32  messageLength;
+//       int32  requestID;
+//       int32  responseTo;
+//       int32  opCode = 2013;
+//   };
+//   uint32      flagBits;
+//   Section+    sections;
+//   [uint32     checksum;]
+// };
+// Msg Flags
+const OPTS_CHECKSUM_PRESENT = 1;
+const OPTS_MORE_TO_COME = 2;
+const OPTS_EXHAUST_ALLOWED = 1 << 16;
+/** @internal */
+class Msg {
+    constructor(ns, command, options) {
+        // Basic options needed to be passed in
+        if (command == null)
+            throw new error_1.MongoInvalidArgumentError('Query document must be specified for query');
+        // Basic options
+        this.ns = ns;
+        this.command = command;
+        this.command.$db = (0, utils_1.databaseNamespace)(ns);
+        if (options.readPreference && options.readPreference.mode !== read_preference_1.ReadPreference.PRIMARY) {
+            this.command.$readPreference = options.readPreference.toJSON();
+        }
+        // Ensure empty options
+        this.options = options !== null && options !== void 0 ? options : {};
+        // Additional options
+        this.requestId = options.requestId ? options.requestId : Msg.getRequestId();
+        // Serialization option
+        this.serializeFunctions =
+            typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+        this.ignoreUndefined =
+            typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : false;
+        this.checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+        this.maxBsonSize = options.maxBsonSize || 1024 * 1024 * 16;
+        // flags
+        this.checksumPresent = false;
+        this.moreToCome = options.moreToCome || false;
+        this.exhaustAllowed =
+            typeof options.exhaustAllowed === 'boolean' ? options.exhaustAllowed : false;
+    }
+    toBin() {
+        const buffers = [];
+        let flags = 0;
+        if (this.checksumPresent) {
+            flags |= OPTS_CHECKSUM_PRESENT;
+        }
+        if (this.moreToCome) {
+            flags |= OPTS_MORE_TO_COME;
+        }
+        if (this.exhaustAllowed) {
+            flags |= OPTS_EXHAUST_ALLOWED;
+        }
+        const header = Buffer.alloc(4 * 4 + // Header
+            4 // Flags
+        );
+        buffers.push(header);
+        let totalLength = header.length;
+        const command = this.command;
+        totalLength += this.makeDocumentSegment(buffers, command);
+        header.writeInt32LE(totalLength, 0); // messageLength
+        header.writeInt32LE(this.requestId, 4); // requestID
+        header.writeInt32LE(0, 8); // responseTo
+        header.writeInt32LE(constants_1.OP_MSG, 12); // opCode
+        header.writeUInt32LE(flags, 16); // flags
+        return buffers;
+    }
+    makeDocumentSegment(buffers, document) {
+        const payloadTypeBuffer = Buffer.alloc(1);
+        payloadTypeBuffer[0] = 0;
+        const documentBuffer = this.serializeBson(document);
+        buffers.push(payloadTypeBuffer);
+        buffers.push(documentBuffer);
+        return payloadTypeBuffer.length + documentBuffer.length;
+    }
+    serializeBson(document) {
+        return BSON.serialize(document, {
+            checkKeys: this.checkKeys,
+            serializeFunctions: this.serializeFunctions,
+            ignoreUndefined: this.ignoreUndefined
+        });
+    }
+    static getRequestId() {
+        _requestId = (_requestId + 1) & 0x7fffffff;
+        return _requestId;
+    }
+}
+exports.Msg = Msg;
+/** @internal */
+class BinMsg {
+    constructor(message, msgHeader, msgBody, opts) {
+        this.parsed = false;
+        this.raw = message;
+        this.data = msgBody;
+        this.opts = opts !== null && opts !== void 0 ? opts : {
+            promoteLongs: true,
+            promoteValues: true,
+            promoteBuffers: false,
+            bsonRegExp: false
+        };
+        // Read the message header
+        this.length = msgHeader.length;
+        this.requestId = msgHeader.requestId;
+        this.responseTo = msgHeader.responseTo;
+        this.opCode = msgHeader.opCode;
+        this.fromCompressed = msgHeader.fromCompressed;
+        // Read response flags
+        this.responseFlags = msgBody.readInt32LE(0);
+        this.checksumPresent = (this.responseFlags & OPTS_CHECKSUM_PRESENT) !== 0;
+        this.moreToCome = (this.responseFlags & OPTS_MORE_TO_COME) !== 0;
+        this.exhaustAllowed = (this.responseFlags & OPTS_EXHAUST_ALLOWED) !== 0;
+        this.promoteLongs = typeof this.opts.promoteLongs === 'boolean' ? this.opts.promoteLongs : true;
+        this.promoteValues =
+            typeof this.opts.promoteValues === 'boolean' ? this.opts.promoteValues : true;
+        this.promoteBuffers =
+            typeof this.opts.promoteBuffers === 'boolean' ? this.opts.promoteBuffers : false;
+        this.bsonRegExp = typeof this.opts.bsonRegExp === 'boolean' ? this.opts.bsonRegExp : false;
+        this.documents = [];
+    }
+    isParsed() {
+        return this.parsed;
+    }
+    parse(options) {
+        var _a, _b, _c, _d;
+        // Don't parse again if not needed
+        if (this.parsed)
+            return;
+        options = options !== null && options !== void 0 ? options : {};
+        this.index = 4;
+        // Allow the return of raw documents instead of parsing
+        const raw = options.raw || false;
+        const documentsReturnedIn = options.documentsReturnedIn || null;
+        const promoteLongs = (_a = options.promoteLongs) !== null && _a !== void 0 ? _a : this.opts.promoteLongs;
+        const promoteValues = (_b = options.promoteValues) !== null && _b !== void 0 ? _b : this.opts.promoteValues;
+        const promoteBuffers = (_c = options.promoteBuffers) !== null && _c !== void 0 ? _c : this.opts.promoteBuffers;
+        const bsonRegExp = (_d = options.bsonRegExp) !== null && _d !== void 0 ? _d : this.opts.bsonRegExp;
+        const validation = this.parseBsonSerializationOptions(options);
+        // Set up the options
+        const bsonOptions = {
+            promoteLongs,
+            promoteValues,
+            promoteBuffers,
+            bsonRegExp,
+            validation
+            // Due to the strictness of the BSON libraries validation option we need this cast
+        };
+        while (this.index < this.data.length) {
+            const payloadType = this.data.readUInt8(this.index++);
+            if (payloadType === 0) {
+                const bsonSize = this.data.readUInt32LE(this.index);
+                const bin = this.data.slice(this.index, this.index + bsonSize);
+                this.documents.push(raw ? bin : BSON.deserialize(bin, bsonOptions));
+                this.index += bsonSize;
+            }
+            else if (payloadType === 1) {
+                // It was decided that no driver makes use of payload type 1
+                // TODO(NODE-3483): Replace with MongoDeprecationError
+                throw new error_1.MongoRuntimeError('OP_MSG Payload Type 1 detected unsupported protocol');
+            }
+        }
+        if (this.documents.length === 1 && documentsReturnedIn != null && raw) {
+            const fieldsAsRaw = {};
+            fieldsAsRaw[documentsReturnedIn] = true;
+            bsonOptions.fieldsAsRaw = fieldsAsRaw;
+            const doc = BSON.deserialize(this.documents[0], bsonOptions);
+            this.documents = [doc];
+        }
+        this.parsed = true;
+    }
+    parseBsonSerializationOptions({ enableUtf8Validation }) {
+        if (enableUtf8Validation === false) {
+            return { utf8: false };
+        }
+        return { utf8: { writeErrors: false } };
+    }
+}
+exports.BinMsg = BinMsg;
+//# sourceMappingURL=commands.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/commands.js.map b/node_modules/mongodb/lib/cmap/commands.js.map
new file mode 100644
index 000000000..1dea16601
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/commands.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/connect.js b/node_modules/mongodb/lib/cmap/connect.js
new file mode 100644
index 000000000..8a6029a6c
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/connect.js
@@ -0,0 +1,398 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.LEGAL_TCP_SOCKET_OPTIONS = exports.LEGAL_TLS_SOCKET_OPTIONS = exports.prepareHandshakeDocument = exports.connect = void 0;
+const net = require("net");
+const socks_1 = require("socks");
+const tls = require("tls");
+const bson_1 = require("../bson");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const auth_provider_1 = require("./auth/auth_provider");
+const gssapi_1 = require("./auth/gssapi");
+const mongocr_1 = require("./auth/mongocr");
+const mongodb_aws_1 = require("./auth/mongodb_aws");
+const plain_1 = require("./auth/plain");
+const providers_1 = require("./auth/providers");
+const scram_1 = require("./auth/scram");
+const x509_1 = require("./auth/x509");
+const connection_1 = require("./connection");
+const constants_2 = require("./wire_protocol/constants");
+const AUTH_PROVIDERS = new Map([
+    [providers_1.AuthMechanism.MONGODB_AWS, new mongodb_aws_1.MongoDBAWS()],
+    [providers_1.AuthMechanism.MONGODB_CR, new mongocr_1.MongoCR()],
+    [providers_1.AuthMechanism.MONGODB_GSSAPI, new gssapi_1.GSSAPI()],
+    [providers_1.AuthMechanism.MONGODB_PLAIN, new plain_1.Plain()],
+    [providers_1.AuthMechanism.MONGODB_SCRAM_SHA1, new scram_1.ScramSHA1()],
+    [providers_1.AuthMechanism.MONGODB_SCRAM_SHA256, new scram_1.ScramSHA256()],
+    [providers_1.AuthMechanism.MONGODB_X509, new x509_1.X509()]
+]);
+function connect(options, callback) {
+    makeConnection({ ...options, existingSocket: undefined }, (err, socket) => {
+        var _a;
+        if (err || !socket) {
+            return callback(err);
+        }
+        let ConnectionType = (_a = options.connectionType) !== null && _a !== void 0 ? _a : connection_1.Connection;
+        if (options.autoEncrypter) {
+            ConnectionType = connection_1.CryptoConnection;
+        }
+        performInitialHandshake(new ConnectionType(socket, options), options, callback);
+    });
+}
+exports.connect = connect;
+function checkSupportedServer(hello, options) {
+    var _a;
+    const serverVersionHighEnough = hello &&
+        (typeof hello.maxWireVersion === 'number' || hello.maxWireVersion instanceof bson_1.Int32) &&
+        hello.maxWireVersion >= constants_2.MIN_SUPPORTED_WIRE_VERSION;
+    const serverVersionLowEnough = hello &&
+        (typeof hello.minWireVersion === 'number' || hello.minWireVersion instanceof bson_1.Int32) &&
+        hello.minWireVersion <= constants_2.MAX_SUPPORTED_WIRE_VERSION;
+    if (serverVersionHighEnough) {
+        if (serverVersionLowEnough) {
+            return null;
+        }
+        const message = `Server at ${options.hostAddress} reports minimum wire version ${JSON.stringify(hello.minWireVersion)}, but this version of the Node.js Driver requires at most ${constants_2.MAX_SUPPORTED_WIRE_VERSION} (MongoDB ${constants_2.MAX_SUPPORTED_SERVER_VERSION})`;
+        return new error_1.MongoCompatibilityError(message);
+    }
+    const message = `Server at ${options.hostAddress} reports maximum wire version ${(_a = JSON.stringify(hello.maxWireVersion)) !== null && _a !== void 0 ? _a : 0}, but this version of the Node.js Driver requires at least ${constants_2.MIN_SUPPORTED_WIRE_VERSION} (MongoDB ${constants_2.MIN_SUPPORTED_SERVER_VERSION})`;
+    return new error_1.MongoCompatibilityError(message);
+}
+function performInitialHandshake(conn, options, _callback) {
+    const callback = function (err, ret) {
+        if (err && conn) {
+            conn.destroy();
+        }
+        _callback(err, ret);
+    };
+    const credentials = options.credentials;
+    if (credentials) {
+        if (!(credentials.mechanism === providers_1.AuthMechanism.MONGODB_DEFAULT) &&
+            !AUTH_PROVIDERS.get(credentials.mechanism)) {
+            callback(new error_1.MongoInvalidArgumentError(`AuthMechanism '${credentials.mechanism}' not supported`));
+            return;
+        }
+    }
+    const authContext = new auth_provider_1.AuthContext(conn, credentials, options);
+    prepareHandshakeDocument(authContext, (err, handshakeDoc) => {
+        if (err || !handshakeDoc) {
+            return callback(err);
+        }
+        const handshakeOptions = Object.assign({}, options);
+        if (typeof options.connectTimeoutMS === 'number') {
+            // The handshake technically is a monitoring check, so its socket timeout should be connectTimeoutMS
+            handshakeOptions.socketTimeoutMS = options.connectTimeoutMS;
+        }
+        const start = new Date().getTime();
+        conn.command((0, utils_1.ns)('admin.$cmd'), handshakeDoc, handshakeOptions, (err, response) => {
+            if (err) {
+                callback(err);
+                return;
+            }
+            if ((response === null || response === void 0 ? void 0 : response.ok) === 0) {
+                callback(new error_1.MongoServerError(response));
+                return;
+            }
+            if (!('isWritablePrimary' in response)) {
+                // Provide hello-style response document.
+                response.isWritablePrimary = response[constants_1.LEGACY_HELLO_COMMAND];
+            }
+            if (response.helloOk) {
+                conn.helloOk = true;
+            }
+            const supportedServerErr = checkSupportedServer(response, options);
+            if (supportedServerErr) {
+                callback(supportedServerErr);
+                return;
+            }
+            if (options.loadBalanced) {
+                if (!response.serviceId) {
+                    return callback(new error_1.MongoCompatibilityError('Driver attempted to initialize in load balancing mode, ' +
+                        'but the server does not support this mode.'));
+                }
+            }
+            // NOTE: This is metadata attached to the connection while porting away from
+            //       handshake being done in the `Server` class. Likely, it should be
+            //       relocated, or at very least restructured.
+            conn.hello = response;
+            conn.lastHelloMS = new Date().getTime() - start;
+            if (!response.arbiterOnly && credentials) {
+                // store the response on auth context
+                authContext.response = response;
+                const resolvedCredentials = credentials.resolveAuthMechanism(response);
+                const provider = AUTH_PROVIDERS.get(resolvedCredentials.mechanism);
+                if (!provider) {
+                    return callback(new error_1.MongoInvalidArgumentError(`No AuthProvider for ${resolvedCredentials.mechanism} defined.`));
+                }
+                provider.auth(authContext, err => {
+                    if (err) {
+                        if (err instanceof error_1.MongoError) {
+                            err.addErrorLabel(error_1.MongoErrorLabel.HandshakeError);
+                            if ((0, error_1.needsRetryableWriteLabel)(err, response.maxWireVersion)) {
+                                err.addErrorLabel(error_1.MongoErrorLabel.RetryableWriteError);
+                            }
+                        }
+                        return callback(err);
+                    }
+                    callback(undefined, conn);
+                });
+                return;
+            }
+            callback(undefined, conn);
+        });
+    });
+}
+/**
+ * @internal
+ *
+ * This function is only exposed for testing purposes.
+ */
+function prepareHandshakeDocument(authContext, callback) {
+    const options = authContext.options;
+    const compressors = options.compressors ? options.compressors : [];
+    const { serverApi } = authContext.connection;
+    const handshakeDoc = {
+        [(serverApi === null || serverApi === void 0 ? void 0 : serverApi.version) ? 'hello' : constants_1.LEGACY_HELLO_COMMAND]: true,
+        helloOk: true,
+        client: options.metadata || (0, utils_1.makeClientMetadata)(options),
+        compression: compressors
+    };
+    if (options.loadBalanced === true) {
+        handshakeDoc.loadBalanced = true;
+    }
+    const credentials = authContext.credentials;
+    if (credentials) {
+        if (credentials.mechanism === providers_1.AuthMechanism.MONGODB_DEFAULT && credentials.username) {
+            handshakeDoc.saslSupportedMechs = `${credentials.source}.${credentials.username}`;
+            const provider = AUTH_PROVIDERS.get(providers_1.AuthMechanism.MONGODB_SCRAM_SHA256);
+            if (!provider) {
+                // This auth mechanism is always present.
+                return callback(new error_1.MongoInvalidArgumentError(`No AuthProvider for ${providers_1.AuthMechanism.MONGODB_SCRAM_SHA256} defined.`));
+            }
+            return provider.prepare(handshakeDoc, authContext, callback);
+        }
+        const provider = AUTH_PROVIDERS.get(credentials.mechanism);
+        if (!provider) {
+            return callback(new error_1.MongoInvalidArgumentError(`No AuthProvider for ${credentials.mechanism} defined.`));
+        }
+        return provider.prepare(handshakeDoc, authContext, callback);
+    }
+    callback(undefined, handshakeDoc);
+}
+exports.prepareHandshakeDocument = prepareHandshakeDocument;
+/** @public */
+exports.LEGAL_TLS_SOCKET_OPTIONS = [
+    'ALPNProtocols',
+    'ca',
+    'cert',
+    'checkServerIdentity',
+    'ciphers',
+    'crl',
+    'ecdhCurve',
+    'key',
+    'minDHSize',
+    'passphrase',
+    'pfx',
+    'rejectUnauthorized',
+    'secureContext',
+    'secureProtocol',
+    'servername',
+    'session'
+];
+/** @public */
+exports.LEGAL_TCP_SOCKET_OPTIONS = [
+    'family',
+    'hints',
+    'localAddress',
+    'localPort',
+    'lookup'
+];
+function parseConnectOptions(options) {
+    const hostAddress = options.hostAddress;
+    if (!hostAddress)
+        throw new error_1.MongoInvalidArgumentError('Option "hostAddress" is required');
+    const result = {};
+    for (const name of exports.LEGAL_TCP_SOCKET_OPTIONS) {
+        if (options[name] != null) {
+            result[name] = options[name];
+        }
+    }
+    if (typeof hostAddress.socketPath === 'string') {
+        result.path = hostAddress.socketPath;
+        return result;
+    }
+    else if (typeof hostAddress.host === 'string') {
+        result.host = hostAddress.host;
+        result.port = hostAddress.port;
+        return result;
+    }
+    else {
+        // This should never happen since we set up HostAddresses
+        // But if we don't throw here the socket could hang until timeout
+        // TODO(NODE-3483)
+        throw new error_1.MongoRuntimeError(`Unexpected HostAddress ${JSON.stringify(hostAddress)}`);
+    }
+}
+function parseSslOptions(options) {
+    const result = parseConnectOptions(options);
+    // Merge in valid SSL options
+    for (const name of exports.LEGAL_TLS_SOCKET_OPTIONS) {
+        if (options[name] != null) {
+            result[name] = options[name];
+        }
+    }
+    if (options.existingSocket) {
+        result.socket = options.existingSocket;
+    }
+    // Set default sni servername to be the same as host
+    if (result.servername == null && result.host && !net.isIP(result.host)) {
+        result.servername = result.host;
+    }
+    return result;
+}
+const SOCKET_ERROR_EVENT_LIST = ['error', 'close', 'timeout', 'parseError'];
+const SOCKET_ERROR_EVENTS = new Set(SOCKET_ERROR_EVENT_LIST);
+function makeConnection(options, _callback) {
+    var _a, _b, _c, _d, _e, _f, _g, _h, _j;
+    const useTLS = (_a = options.tls) !== null && _a !== void 0 ? _a : false;
+    const keepAlive = (_b = options.keepAlive) !== null && _b !== void 0 ? _b : true;
+    const socketTimeoutMS = (_d = (_c = options.socketTimeoutMS) !== null && _c !== void 0 ? _c : Reflect.get(options, 'socketTimeout')) !== null && _d !== void 0 ? _d : 0;
+    const noDelay = (_e = options.noDelay) !== null && _e !== void 0 ? _e : true;
+    const connectTimeoutMS = (_f = options.connectTimeoutMS) !== null && _f !== void 0 ? _f : 30000;
+    const rejectUnauthorized = (_g = options.rejectUnauthorized) !== null && _g !== void 0 ? _g : true;
+    const keepAliveInitialDelay = (_j = (((_h = options.keepAliveInitialDelay) !== null && _h !== void 0 ? _h : 120000) > socketTimeoutMS
+        ? Math.round(socketTimeoutMS / 2)
+        : options.keepAliveInitialDelay)) !== null && _j !== void 0 ? _j : 120000;
+    const existingSocket = options.existingSocket;
+    let socket;
+    const callback = function (err, ret) {
+        if (err && socket) {
+            socket.destroy();
+        }
+        _callback(err, ret);
+    };
+    if (options.proxyHost != null) {
+        // Currently, only Socks5 is supported.
+        return makeSocks5Connection({
+            ...options,
+            connectTimeoutMS // Should always be present for Socks5
+        }, callback);
+    }
+    if (useTLS) {
+        const tlsSocket = tls.connect(parseSslOptions(options));
+        if (typeof tlsSocket.disableRenegotiation === 'function') {
+            tlsSocket.disableRenegotiation();
+        }
+        socket = tlsSocket;
+    }
+    else if (existingSocket) {
+        // In the TLS case, parseSslOptions() sets options.socket to existingSocket,
+        // so we only need to handle the non-TLS case here (where existingSocket
+        // gives us all we need out of the box).
+        socket = existingSocket;
+    }
+    else {
+        socket = net.createConnection(parseConnectOptions(options));
+    }
+    socket.setKeepAlive(keepAlive, keepAliveInitialDelay);
+    socket.setTimeout(connectTimeoutMS);
+    socket.setNoDelay(noDelay);
+    const connectEvent = useTLS ? 'secureConnect' : 'connect';
+    let cancellationHandler;
+    function errorHandler(eventName) {
+        return (err) => {
+            SOCKET_ERROR_EVENTS.forEach(event => socket.removeAllListeners(event));
+            if (cancellationHandler && options.cancellationToken) {
+                options.cancellationToken.removeListener('cancel', cancellationHandler);
+            }
+            socket.removeListener(connectEvent, connectHandler);
+            callback(connectionFailureError(eventName, err));
+        };
+    }
+    function connectHandler() {
+        SOCKET_ERROR_EVENTS.forEach(event => socket.removeAllListeners(event));
+        if (cancellationHandler && options.cancellationToken) {
+            options.cancellationToken.removeListener('cancel', cancellationHandler);
+        }
+        if ('authorizationError' in socket) {
+            if (socket.authorizationError && rejectUnauthorized) {
+                return callback(socket.authorizationError);
+            }
+        }
+        socket.setTimeout(socketTimeoutMS);
+        callback(undefined, socket);
+    }
+    SOCKET_ERROR_EVENTS.forEach(event => socket.once(event, errorHandler(event)));
+    if (options.cancellationToken) {
+        cancellationHandler = errorHandler('cancel');
+        options.cancellationToken.once('cancel', cancellationHandler);
+    }
+    if (existingSocket) {
+        process.nextTick(connectHandler);
+    }
+    else {
+        socket.once(connectEvent, connectHandler);
+    }
+}
+function makeSocks5Connection(options, callback) {
+    var _a, _b;
+    const hostAddress = utils_1.HostAddress.fromHostPort((_a = options.proxyHost) !== null && _a !== void 0 ? _a : '', // proxyHost is guaranteed to set here
+    (_b = options.proxyPort) !== null && _b !== void 0 ? _b : 1080);
+    // First, connect to the proxy server itself:
+    makeConnection({
+        ...options,
+        hostAddress,
+        tls: false,
+        proxyHost: undefined
+    }, (err, rawSocket) => {
+        if (err) {
+            return callback(err);
+        }
+        const destination = parseConnectOptions(options);
+        if (typeof destination.host !== 'string' || typeof destination.port !== 'number') {
+            return callback(new error_1.MongoInvalidArgumentError('Can only make Socks5 connections to TCP hosts'));
+        }
+        // Then, establish the Socks5 proxy connection:
+        socks_1.SocksClient.createConnection({
+            existing_socket: rawSocket,
+            timeout: options.connectTimeoutMS,
+            command: 'connect',
+            destination: {
+                host: destination.host,
+                port: destination.port
+            },
+            proxy: {
+                // host and port are ignored because we pass existing_socket
+                host: 'iLoveJavaScript',
+                port: 0,
+                type: 5,
+                userId: options.proxyUsername || undefined,
+                password: options.proxyPassword || undefined
+            }
+        }).then(({ socket }) => {
+            // Finally, now treat the resulting duplex stream as the
+            // socket over which we send and receive wire protocol messages:
+            makeConnection({
+                ...options,
+                existingSocket: socket,
+                proxyHost: undefined
+            }, callback);
+        }, error => callback(connectionFailureError('error', error)));
+    });
+}
+function connectionFailureError(type, err) {
+    switch (type) {
+        case 'error':
+            return new error_1.MongoNetworkError(err);
+        case 'timeout':
+            return new error_1.MongoNetworkTimeoutError('connection timed out');
+        case 'close':
+            return new error_1.MongoNetworkError('connection closed');
+        case 'cancel':
+            return new error_1.MongoNetworkError('connection establishment was cancelled');
+        default:
+            return new error_1.MongoNetworkError('unknown network error');
+    }
+}
+//# sourceMappingURL=connect.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/connect.js.map b/node_modules/mongodb/lib/cmap/connect.js.map
new file mode 100644
index 000000000..6c90b72f3
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/connect.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/connection.js b/node_modules/mongodb/lib/cmap/connection.js
new file mode 100644
index 000000000..cf345b96f
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/connection.js
@@ -0,0 +1,470 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.hasSessionSupport = exports.CryptoConnection = exports.Connection = void 0;
+const timers_1 = require("timers");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const mongo_types_1 = require("../mongo_types");
+const sessions_1 = require("../sessions");
+const utils_1 = require("../utils");
+const command_monitoring_events_1 = require("./command_monitoring_events");
+const commands_1 = require("./commands");
+const message_stream_1 = require("./message_stream");
+const stream_description_1 = require("./stream_description");
+const shared_1 = require("./wire_protocol/shared");
+/** @internal */
+const kStream = Symbol('stream');
+/** @internal */
+const kQueue = Symbol('queue');
+/** @internal */
+const kMessageStream = Symbol('messageStream');
+/** @internal */
+const kGeneration = Symbol('generation');
+/** @internal */
+const kLastUseTime = Symbol('lastUseTime');
+/** @internal */
+const kClusterTime = Symbol('clusterTime');
+/** @internal */
+const kDescription = Symbol('description');
+/** @internal */
+const kHello = Symbol('hello');
+/** @internal */
+const kAutoEncrypter = Symbol('autoEncrypter');
+/** @internal */
+const kDelayedTimeoutId = Symbol('delayedTimeoutId');
+/** @internal */
+class Connection extends mongo_types_1.TypedEventEmitter {
+    constructor(stream, options) {
+        var _a, _b;
+        super();
+        this.id = options.id;
+        this.address = streamIdentifier(stream, options);
+        this.socketTimeoutMS = (_a = options.socketTimeoutMS) !== null && _a !== void 0 ? _a : 0;
+        this.monitorCommands = options.monitorCommands;
+        this.serverApi = options.serverApi;
+        this.closed = false;
+        this.destroyed = false;
+        this[kHello] = null;
+        this[kClusterTime] = null;
+        this[kDescription] = new stream_description_1.StreamDescription(this.address, options);
+        this[kGeneration] = options.generation;
+        this[kLastUseTime] = (0, utils_1.now)();
+        // setup parser stream and message handling
+        this[kQueue] = new Map();
+        this[kMessageStream] = new message_stream_1.MessageStream({
+            ...options,
+            maxBsonMessageSize: (_b = this.hello) === null || _b === void 0 ? void 0 : _b.maxBsonMessageSize
+        });
+        this[kStream] = stream;
+        this[kDelayedTimeoutId] = null;
+        this[kMessageStream].on('message', message => this.onMessage(message));
+        this[kMessageStream].on('error', error => this.onError(error));
+        this[kStream].on('close', () => this.onClose());
+        this[kStream].on('timeout', () => this.onTimeout());
+        this[kStream].on('error', () => {
+            /* ignore errors, listen to `close` instead */
+        });
+        // hook the message stream up to the passed in stream
+        this[kStream].pipe(this[kMessageStream]);
+        this[kMessageStream].pipe(this[kStream]);
+    }
+    get description() {
+        return this[kDescription];
+    }
+    get hello() {
+        return this[kHello];
+    }
+    // the `connect` method stores the result of the handshake hello on the connection
+    set hello(response) {
+        this[kDescription].receiveResponse(response);
+        this[kDescription] = Object.freeze(this[kDescription]);
+        // TODO: remove this, and only use the `StreamDescription` in the future
+        this[kHello] = response;
+    }
+    // Set the whether the message stream is for a monitoring connection.
+    set isMonitoringConnection(value) {
+        this[kMessageStream].isMonitoringConnection = value;
+    }
+    get isMonitoringConnection() {
+        return this[kMessageStream].isMonitoringConnection;
+    }
+    get serviceId() {
+        var _a;
+        return (_a = this.hello) === null || _a === void 0 ? void 0 : _a.serviceId;
+    }
+    get loadBalanced() {
+        return this.description.loadBalanced;
+    }
+    get generation() {
+        return this[kGeneration] || 0;
+    }
+    set generation(generation) {
+        this[kGeneration] = generation;
+    }
+    get idleTime() {
+        return (0, utils_1.calculateDurationInMs)(this[kLastUseTime]);
+    }
+    get clusterTime() {
+        return this[kClusterTime];
+    }
+    get stream() {
+        return this[kStream];
+    }
+    markAvailable() {
+        this[kLastUseTime] = (0, utils_1.now)();
+    }
+    onError(error) {
+        if (this.closed) {
+            return;
+        }
+        this[kStream].destroy(error);
+        this.closed = true;
+        for (const op of this[kQueue].values()) {
+            op.cb(error);
+        }
+        this[kQueue].clear();
+        this.emit(Connection.CLOSE);
+    }
+    onClose() {
+        if (this.closed) {
+            return;
+        }
+        this.closed = true;
+        const message = `connection ${this.id} to ${this.address} closed`;
+        for (const op of this[kQueue].values()) {
+            op.cb(new error_1.MongoNetworkError(message));
+        }
+        this[kQueue].clear();
+        this.emit(Connection.CLOSE);
+    }
+    onTimeout() {
+        if (this.closed) {
+            return;
+        }
+        this[kDelayedTimeoutId] = (0, timers_1.setTimeout)(() => {
+            this[kStream].destroy();
+            this.closed = true;
+            const message = `connection ${this.id} to ${this.address} timed out`;
+            const beforeHandshake = this.hello == null;
+            for (const op of this[kQueue].values()) {
+                op.cb(new error_1.MongoNetworkTimeoutError(message, { beforeHandshake }));
+            }
+            this[kQueue].clear();
+            this.emit(Connection.CLOSE);
+        }, 1).unref(); // No need for this timer to hold the event loop open
+    }
+    onMessage(message) {
+        const delayedTimeoutId = this[kDelayedTimeoutId];
+        if (delayedTimeoutId != null) {
+            (0, timers_1.clearTimeout)(delayedTimeoutId);
+            this[kDelayedTimeoutId] = null;
+        }
+        // always emit the message, in case we are streaming
+        this.emit('message', message);
+        const operationDescription = this[kQueue].get(message.responseTo);
+        if (!operationDescription) {
+            return;
+        }
+        const callback = operationDescription.cb;
+        // SERVER-45775: For exhaust responses we should be able to use the same requestId to
+        // track response, however the server currently synthetically produces remote requests
+        // making the `responseTo` change on each response
+        this[kQueue].delete(message.responseTo);
+        if ('moreToCome' in message && message.moreToCome) {
+            // requeue the callback for next synthetic request
+            this[kQueue].set(message.requestId, operationDescription);
+        }
+        else if (operationDescription.socketTimeoutOverride) {
+            this[kStream].setTimeout(this.socketTimeoutMS);
+        }
+        try {
+            // Pass in the entire description because it has BSON parsing options
+            message.parse(operationDescription);
+        }
+        catch (err) {
+            // If this error is generated by our own code, it will already have the correct class applied
+            // if it is not, then it is coming from a catastrophic data parse failure or the BSON library
+            // in either case, it should not be wrapped
+            callback(err);
+            return;
+        }
+        if (message.documents[0]) {
+            const document = message.documents[0];
+            const session = operationDescription.session;
+            if (session) {
+                (0, sessions_1.updateSessionFromResponse)(session, document);
+            }
+            if (document.$clusterTime) {
+                this[kClusterTime] = document.$clusterTime;
+                this.emit(Connection.CLUSTER_TIME_RECEIVED, document.$clusterTime);
+            }
+            if (operationDescription.command) {
+                if (document.writeConcernError) {
+                    callback(new error_1.MongoWriteConcernError(document.writeConcernError, document));
+                    return;
+                }
+                if (document.ok === 0 || document.$err || document.errmsg || document.code) {
+                    callback(new error_1.MongoServerError(document));
+                    return;
+                }
+            }
+            else {
+                // Pre 3.2 support
+                if (document.ok === 0 || document.$err || document.errmsg) {
+                    callback(new error_1.MongoServerError(document));
+                    return;
+                }
+            }
+        }
+        callback(undefined, message.documents[0]);
+    }
+    destroy(options, callback) {
+        if (typeof options === 'function') {
+            callback = options;
+            options = { force: false };
+        }
+        this.removeAllListeners(Connection.PINNED);
+        this.removeAllListeners(Connection.UNPINNED);
+        options = Object.assign({ force: false }, options);
+        if (this[kStream] == null || this.destroyed) {
+            this.destroyed = true;
+            if (typeof callback === 'function') {
+                callback();
+            }
+            return;
+        }
+        if (options.force) {
+            this[kStream].destroy();
+            this.destroyed = true;
+            if (typeof callback === 'function') {
+                callback();
+            }
+            return;
+        }
+        this[kStream].end(() => {
+            this.destroyed = true;
+            if (typeof callback === 'function') {
+                callback();
+            }
+        });
+    }
+    command(ns, cmd, options, callback) {
+        const readPreference = (0, shared_1.getReadPreference)(cmd, options);
+        const shouldUseOpMsg = supportsOpMsg(this);
+        const session = options === null || options === void 0 ? void 0 : options.session;
+        let clusterTime = this.clusterTime;
+        let finalCmd = Object.assign({}, cmd);
+        if (this.serverApi) {
+            const { version, strict, deprecationErrors } = this.serverApi;
+            finalCmd.apiVersion = version;
+            if (strict != null)
+                finalCmd.apiStrict = strict;
+            if (deprecationErrors != null)
+                finalCmd.apiDeprecationErrors = deprecationErrors;
+        }
+        if (hasSessionSupport(this) && session) {
+            if (session.clusterTime &&
+                clusterTime &&
+                session.clusterTime.clusterTime.greaterThan(clusterTime.clusterTime)) {
+                clusterTime = session.clusterTime;
+            }
+            const err = (0, sessions_1.applySession)(session, finalCmd, options);
+            if (err) {
+                return callback(err);
+            }
+        }
+        // if we have a known cluster time, gossip it
+        if (clusterTime) {
+            finalCmd.$clusterTime = clusterTime;
+        }
+        if ((0, shared_1.isSharded)(this) && !shouldUseOpMsg && readPreference && readPreference.mode !== 'primary') {
+            finalCmd = {
+                $query: finalCmd,
+                $readPreference: readPreference.toJSON()
+            };
+        }
+        const commandOptions = Object.assign({
+            command: true,
+            numberToSkip: 0,
+            numberToReturn: -1,
+            checkKeys: false,
+            // This value is not overridable
+            secondaryOk: readPreference.secondaryOk()
+        }, options);
+        const cmdNs = `${ns.db}.$cmd`;
+        const message = shouldUseOpMsg
+            ? new commands_1.Msg(cmdNs, finalCmd, commandOptions)
+            : new commands_1.Query(cmdNs, finalCmd, commandOptions);
+        try {
+            write(this, message, commandOptions, callback);
+        }
+        catch (err) {
+            callback(err);
+        }
+    }
+}
+exports.Connection = Connection;
+/** @event */
+Connection.COMMAND_STARTED = constants_1.COMMAND_STARTED;
+/** @event */
+Connection.COMMAND_SUCCEEDED = constants_1.COMMAND_SUCCEEDED;
+/** @event */
+Connection.COMMAND_FAILED = constants_1.COMMAND_FAILED;
+/** @event */
+Connection.CLUSTER_TIME_RECEIVED = constants_1.CLUSTER_TIME_RECEIVED;
+/** @event */
+Connection.CLOSE = constants_1.CLOSE;
+/** @event */
+Connection.MESSAGE = constants_1.MESSAGE;
+/** @event */
+Connection.PINNED = constants_1.PINNED;
+/** @event */
+Connection.UNPINNED = constants_1.UNPINNED;
+/** @internal */
+class CryptoConnection extends Connection {
+    constructor(stream, options) {
+        super(stream, options);
+        this[kAutoEncrypter] = options.autoEncrypter;
+    }
+    /** @internal @override */
+    command(ns, cmd, options, callback) {
+        const autoEncrypter = this[kAutoEncrypter];
+        if (!autoEncrypter) {
+            return callback(new error_1.MongoMissingDependencyError('No AutoEncrypter available for encryption'));
+        }
+        const serverWireVersion = (0, utils_1.maxWireVersion)(this);
+        if (serverWireVersion === 0) {
+            // This means the initial handshake hasn't happened yet
+            return super.command(ns, cmd, options, callback);
+        }
+        if (serverWireVersion < 8) {
+            callback(new error_1.MongoCompatibilityError('Auto-encryption requires a minimum MongoDB version of 4.2'));
+            return;
+        }
+        // Save sort or indexKeys based on the command being run
+        // the encrypt API serializes our JS objects to BSON to pass to the native code layer
+        // and then deserializes the encrypted result, the protocol level components
+        // of the command (ex. sort) are then converted to JS objects potentially losing
+        // import key order information. These fields are never encrypted so we can save the values
+        // from before the encryption and replace them after encryption has been performed
+        const sort = cmd.find || cmd.findAndModify ? cmd.sort : null;
+        const indexKeys = cmd.createIndexes
+            ? cmd.indexes.map((index) => index.key)
+            : null;
+        autoEncrypter.encrypt(ns.toString(), cmd, options, (err, encrypted) => {
+            if (err || encrypted == null) {
+                callback(err, null);
+                return;
+            }
+            // Replace the saved values
+            if (sort != null && (cmd.find || cmd.findAndModify)) {
+                encrypted.sort = sort;
+            }
+            if (indexKeys != null && cmd.createIndexes) {
+                for (const [offset, index] of indexKeys.entries()) {
+                    encrypted.indexes[offset].key = index;
+                }
+            }
+            super.command(ns, encrypted, options, (err, response) => {
+                if (err || response == null) {
+                    callback(err, response);
+                    return;
+                }
+                autoEncrypter.decrypt(response, options, callback);
+            });
+        });
+    }
+}
+exports.CryptoConnection = CryptoConnection;
+/** @internal */
+function hasSessionSupport(conn) {
+    const description = conn.description;
+    return description.logicalSessionTimeoutMinutes != null || !!description.loadBalanced;
+}
+exports.hasSessionSupport = hasSessionSupport;
+function supportsOpMsg(conn) {
+    const description = conn.description;
+    if (description == null) {
+        return false;
+    }
+    return (0, utils_1.maxWireVersion)(conn) >= 6 && !description.__nodejs_mock_server__;
+}
+function streamIdentifier(stream, options) {
+    if (options.proxyHost) {
+        // If proxy options are specified, the properties of `stream` itself
+        // will not accurately reflect what endpoint this is connected to.
+        return options.hostAddress.toString();
+    }
+    const { remoteAddress, remotePort } = stream;
+    if (typeof remoteAddress === 'string' && typeof remotePort === 'number') {
+        return utils_1.HostAddress.fromHostPort(remoteAddress, remotePort).toString();
+    }
+    return (0, utils_1.uuidV4)().toString('hex');
+}
+function write(conn, command, options, callback) {
+    options = options !== null && options !== void 0 ? options : {};
+    const operationDescription = {
+        requestId: command.requestId,
+        cb: callback,
+        session: options.session,
+        noResponse: typeof options.noResponse === 'boolean' ? options.noResponse : false,
+        documentsReturnedIn: options.documentsReturnedIn,
+        command: !!options.command,
+        // for BSON parsing
+        promoteLongs: typeof options.promoteLongs === 'boolean' ? options.promoteLongs : true,
+        promoteValues: typeof options.promoteValues === 'boolean' ? options.promoteValues : true,
+        promoteBuffers: typeof options.promoteBuffers === 'boolean' ? options.promoteBuffers : false,
+        bsonRegExp: typeof options.bsonRegExp === 'boolean' ? options.bsonRegExp : false,
+        enableUtf8Validation: typeof options.enableUtf8Validation === 'boolean' ? options.enableUtf8Validation : true,
+        raw: typeof options.raw === 'boolean' ? options.raw : false,
+        started: 0
+    };
+    if (conn[kDescription] && conn[kDescription].compressor) {
+        operationDescription.agreedCompressor = conn[kDescription].compressor;
+        if (conn[kDescription].zlibCompressionLevel) {
+            operationDescription.zlibCompressionLevel = conn[kDescription].zlibCompressionLevel;
+        }
+    }
+    if (typeof options.socketTimeoutMS === 'number') {
+        operationDescription.socketTimeoutOverride = true;
+        conn[kStream].setTimeout(options.socketTimeoutMS);
+    }
+    // if command monitoring is enabled we need to modify the callback here
+    if (conn.monitorCommands) {
+        conn.emit(Connection.COMMAND_STARTED, new command_monitoring_events_1.CommandStartedEvent(conn, command));
+        operationDescription.started = (0, utils_1.now)();
+        operationDescription.cb = (err, reply) => {
+            if (err) {
+                conn.emit(Connection.COMMAND_FAILED, new command_monitoring_events_1.CommandFailedEvent(conn, command, err, operationDescription.started));
+            }
+            else {
+                if (reply && (reply.ok === 0 || reply.$err)) {
+                    conn.emit(Connection.COMMAND_FAILED, new command_monitoring_events_1.CommandFailedEvent(conn, command, reply, operationDescription.started));
+                }
+                else {
+                    conn.emit(Connection.COMMAND_SUCCEEDED, new command_monitoring_events_1.CommandSucceededEvent(conn, command, reply, operationDescription.started));
+                }
+            }
+            if (typeof callback === 'function') {
+                callback(err, reply);
+            }
+        };
+    }
+    if (!operationDescription.noResponse) {
+        conn[kQueue].set(operationDescription.requestId, operationDescription);
+    }
+    try {
+        conn[kMessageStream].writeCommand(command, operationDescription);
+    }
+    catch (e) {
+        if (!operationDescription.noResponse) {
+            conn[kQueue].delete(operationDescription.requestId);
+            operationDescription.cb(e);
+            return;
+        }
+    }
+    if (operationDescription.noResponse) {
+        operationDescription.cb();
+    }
+}
+//# sourceMappingURL=connection.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/connection.js.map b/node_modules/mongodb/lib/cmap/connection.js.map
new file mode 100644
index 000000000..abb395715
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/connection.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/connection_pool.js b/node_modules/mongodb/lib/cmap/connection_pool.js
new file mode 100644
index 000000000..659013311
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/connection_pool.js
@@ -0,0 +1,550 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ConnectionPool = exports.PoolState = void 0;
+const Denque = require("denque");
+const timers_1 = require("timers");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const logger_1 = require("../logger");
+const mongo_types_1 = require("../mongo_types");
+const utils_1 = require("../utils");
+const connect_1 = require("./connect");
+const connection_1 = require("./connection");
+const connection_pool_events_1 = require("./connection_pool_events");
+const errors_1 = require("./errors");
+const metrics_1 = require("./metrics");
+/** @internal */
+const kLogger = Symbol('logger');
+/** @internal */
+const kConnections = Symbol('connections');
+/** @internal */
+const kPending = Symbol('pending');
+/** @internal */
+const kCheckedOut = Symbol('checkedOut');
+/** @internal */
+const kMinPoolSizeTimer = Symbol('minPoolSizeTimer');
+/** @internal */
+const kGeneration = Symbol('generation');
+/** @internal */
+const kServiceGenerations = Symbol('serviceGenerations');
+/** @internal */
+const kConnectionCounter = Symbol('connectionCounter');
+/** @internal */
+const kCancellationToken = Symbol('cancellationToken');
+/** @internal */
+const kWaitQueue = Symbol('waitQueue');
+/** @internal */
+const kCancelled = Symbol('cancelled');
+/** @internal */
+const kMetrics = Symbol('metrics');
+/** @internal */
+const kProcessingWaitQueue = Symbol('processingWaitQueue');
+/** @internal */
+const kPoolState = Symbol('poolState');
+/** @internal */
+exports.PoolState = Object.freeze({
+    paused: 'paused',
+    ready: 'ready',
+    closed: 'closed'
+});
+/**
+ * A pool of connections which dynamically resizes, and emit events related to pool activity
+ * @internal
+ */
+class ConnectionPool extends mongo_types_1.TypedEventEmitter {
+    /** @internal */
+    constructor(options) {
+        var _a, _b, _c, _d, _e;
+        super();
+        this.options = Object.freeze({
+            ...options,
+            connectionType: connection_1.Connection,
+            maxPoolSize: (_a = options.maxPoolSize) !== null && _a !== void 0 ? _a : 100,
+            minPoolSize: (_b = options.minPoolSize) !== null && _b !== void 0 ? _b : 0,
+            maxConnecting: (_c = options.maxConnecting) !== null && _c !== void 0 ? _c : 2,
+            maxIdleTimeMS: (_d = options.maxIdleTimeMS) !== null && _d !== void 0 ? _d : 0,
+            waitQueueTimeoutMS: (_e = options.waitQueueTimeoutMS) !== null && _e !== void 0 ? _e : 0,
+            autoEncrypter: options.autoEncrypter,
+            metadata: options.metadata
+        });
+        if (this.options.minPoolSize > this.options.maxPoolSize) {
+            throw new error_1.MongoInvalidArgumentError('Connection pool minimum size must not be greater than maximum pool size');
+        }
+        this[kPoolState] = exports.PoolState.paused;
+        this[kLogger] = new logger_1.Logger('ConnectionPool');
+        this[kConnections] = new Denque();
+        this[kPending] = 0;
+        this[kCheckedOut] = 0;
+        this[kMinPoolSizeTimer] = undefined;
+        this[kGeneration] = 0;
+        this[kServiceGenerations] = new Map();
+        this[kConnectionCounter] = (0, utils_1.makeCounter)(1);
+        this[kCancellationToken] = new mongo_types_1.CancellationToken();
+        this[kCancellationToken].setMaxListeners(Infinity);
+        this[kWaitQueue] = new Denque();
+        this[kMetrics] = new metrics_1.ConnectionPoolMetrics();
+        this[kProcessingWaitQueue] = false;
+        process.nextTick(() => {
+            this.emit(ConnectionPool.CONNECTION_POOL_CREATED, new connection_pool_events_1.ConnectionPoolCreatedEvent(this));
+        });
+    }
+    /** The address of the endpoint the pool is connected to */
+    get address() {
+        return this.options.hostAddress.toString();
+    }
+    /**
+     * Check if the pool has been closed
+     *
+     * TODO(NODE-3263): We can remove this property once shell no longer needs it
+     */
+    get closed() {
+        return this[kPoolState] === exports.PoolState.closed;
+    }
+    /** An integer representing the SDAM generation of the pool */
+    get generation() {
+        return this[kGeneration];
+    }
+    /** An integer expressing how many total connections (available + pending + in use) the pool currently has */
+    get totalConnectionCount() {
+        return (this.availableConnectionCount + this.pendingConnectionCount + this.currentCheckedOutCount);
+    }
+    /** An integer expressing how many connections are currently available in the pool. */
+    get availableConnectionCount() {
+        return this[kConnections].length;
+    }
+    get pendingConnectionCount() {
+        return this[kPending];
+    }
+    get currentCheckedOutCount() {
+        return this[kCheckedOut];
+    }
+    get waitQueueSize() {
+        return this[kWaitQueue].length;
+    }
+    get loadBalanced() {
+        return this.options.loadBalanced;
+    }
+    get serviceGenerations() {
+        return this[kServiceGenerations];
+    }
+    /**
+     * Get the metrics information for the pool when a wait queue timeout occurs.
+     */
+    waitQueueErrorMetrics() {
+        return this[kMetrics].info(this.options.maxPoolSize);
+    }
+    /**
+     * Set the pool state to "ready"
+     */
+    ready() {
+        if (this[kPoolState] !== exports.PoolState.paused) {
+            return;
+        }
+        this[kPoolState] = exports.PoolState.ready;
+        this.emit(ConnectionPool.CONNECTION_POOL_READY, new connection_pool_events_1.ConnectionPoolReadyEvent(this));
+        (0, timers_1.clearTimeout)(this[kMinPoolSizeTimer]);
+        this.ensureMinPoolSize();
+    }
+    /**
+     * Check a connection out of this pool. The connection will continue to be tracked, but no reference to it
+     * will be held by the pool. This means that if a connection is checked out it MUST be checked back in or
+     * explicitly destroyed by the new owner.
+     */
+    checkOut(callback) {
+        this.emit(ConnectionPool.CONNECTION_CHECK_OUT_STARTED, new connection_pool_events_1.ConnectionCheckOutStartedEvent(this));
+        const waitQueueMember = { callback };
+        const waitQueueTimeoutMS = this.options.waitQueueTimeoutMS;
+        if (waitQueueTimeoutMS) {
+            waitQueueMember.timer = (0, timers_1.setTimeout)(() => {
+                waitQueueMember[kCancelled] = true;
+                waitQueueMember.timer = undefined;
+                this.emit(ConnectionPool.CONNECTION_CHECK_OUT_FAILED, new connection_pool_events_1.ConnectionCheckOutFailedEvent(this, 'timeout'));
+                waitQueueMember.callback(new errors_1.WaitQueueTimeoutError(this.loadBalanced
+                    ? this.waitQueueErrorMetrics()
+                    : 'Timed out while checking out a connection from connection pool', this.address));
+            }, waitQueueTimeoutMS);
+        }
+        this[kWaitQueue].push(waitQueueMember);
+        process.nextTick(() => this.processWaitQueue());
+    }
+    /**
+     * Check a connection into the pool.
+     *
+     * @param connection - The connection to check in
+     */
+    checkIn(connection) {
+        const poolClosed = this.closed;
+        const stale = this.connectionIsStale(connection);
+        const willDestroy = !!(poolClosed || stale || connection.closed);
+        if (!willDestroy) {
+            connection.markAvailable();
+            this[kConnections].unshift(connection);
+        }
+        this[kCheckedOut]--;
+        this.emit(ConnectionPool.CONNECTION_CHECKED_IN, new connection_pool_events_1.ConnectionCheckedInEvent(this, connection));
+        if (willDestroy) {
+            const reason = connection.closed ? 'error' : poolClosed ? 'poolClosed' : 'stale';
+            this.destroyConnection(connection, reason);
+        }
+        process.nextTick(() => this.processWaitQueue());
+    }
+    /**
+     * Clear the pool
+     *
+     * Pool reset is handled by incrementing the pool's generation count. Any existing connection of a
+     * previous generation will eventually be pruned during subsequent checkouts.
+     */
+    clear(serviceId) {
+        if (this.closed) {
+            return;
+        }
+        // handle load balanced case
+        if (this.loadBalanced && serviceId) {
+            const sid = serviceId.toHexString();
+            const generation = this.serviceGenerations.get(sid);
+            // Only need to worry if the generation exists, since it should
+            // always be there but typescript needs the check.
+            if (generation == null) {
+                throw new error_1.MongoRuntimeError('Service generations are required in load balancer mode.');
+            }
+            else {
+                // Increment the generation for the service id.
+                this.serviceGenerations.set(sid, generation + 1);
+            }
+            this.emit(ConnectionPool.CONNECTION_POOL_CLEARED, new connection_pool_events_1.ConnectionPoolClearedEvent(this, serviceId));
+            return;
+        }
+        // handle non load-balanced case
+        this[kGeneration] += 1;
+        const alreadyPaused = this[kPoolState] === exports.PoolState.paused;
+        this[kPoolState] = exports.PoolState.paused;
+        this.clearMinPoolSizeTimer();
+        if (!alreadyPaused) {
+            this.emit(ConnectionPool.CONNECTION_POOL_CLEARED, new connection_pool_events_1.ConnectionPoolClearedEvent(this));
+        }
+        this.processWaitQueue();
+    }
+    close(_options, _cb) {
+        let options = _options;
+        const callback = (_cb !== null && _cb !== void 0 ? _cb : _options);
+        if (typeof options === 'function') {
+            options = {};
+        }
+        options = Object.assign({ force: false }, options);
+        if (this.closed) {
+            return callback();
+        }
+        // immediately cancel any in-flight connections
+        this[kCancellationToken].emit('cancel');
+        // end the connection counter
+        if (typeof this[kConnectionCounter].return === 'function') {
+            this[kConnectionCounter].return(undefined);
+        }
+        this[kPoolState] = exports.PoolState.closed;
+        this.clearMinPoolSizeTimer();
+        this.processWaitQueue();
+        (0, utils_1.eachAsync)(this[kConnections].toArray(), (conn, cb) => {
+            this.emit(ConnectionPool.CONNECTION_CLOSED, new connection_pool_events_1.ConnectionClosedEvent(this, conn, 'poolClosed'));
+            conn.destroy(options, cb);
+        }, err => {
+            this[kConnections].clear();
+            this.emit(ConnectionPool.CONNECTION_POOL_CLOSED, new connection_pool_events_1.ConnectionPoolClosedEvent(this));
+            callback(err);
+        });
+    }
+    /**
+     * Runs a lambda with an implicitly checked out connection, checking that connection back in when the lambda
+     * has completed by calling back.
+     *
+     * NOTE: please note the required signature of `fn`
+     *
+     * @remarks When in load balancer mode, connections can be pinned to cursors or transactions.
+     *   In these cases we pass the connection in to this method to ensure it is used and a new
+     *   connection is not checked out.
+     *
+     * @param conn - A pinned connection for use in load balancing mode.
+     * @param fn - A function which operates on a managed connection
+     * @param callback - The original callback
+     */
+    withConnection(conn, fn, callback) {
+        if (conn) {
+            // use the provided connection, and do _not_ check it in after execution
+            fn(undefined, conn, (fnErr, result) => {
+                if (typeof callback === 'function') {
+                    if (fnErr) {
+                        callback(fnErr);
+                    }
+                    else {
+                        callback(undefined, result);
+                    }
+                }
+            });
+            return;
+        }
+        this.checkOut((err, conn) => {
+            // don't callback with `err` here, we might want to act upon it inside `fn`
+            fn(err, conn, (fnErr, result) => {
+                if (typeof callback === 'function') {
+                    if (fnErr) {
+                        callback(fnErr);
+                    }
+                    else {
+                        callback(undefined, result);
+                    }
+                }
+                if (conn) {
+                    this.checkIn(conn);
+                }
+            });
+        });
+    }
+    /** Clear the min pool size timer */
+    clearMinPoolSizeTimer() {
+        const minPoolSizeTimer = this[kMinPoolSizeTimer];
+        if (minPoolSizeTimer) {
+            (0, timers_1.clearTimeout)(minPoolSizeTimer);
+        }
+    }
+    destroyConnection(connection, reason) {
+        this.emit(ConnectionPool.CONNECTION_CLOSED, new connection_pool_events_1.ConnectionClosedEvent(this, connection, reason));
+        // destroy the connection
+        process.nextTick(() => connection.destroy());
+    }
+    connectionIsStale(connection) {
+        const serviceId = connection.serviceId;
+        if (this.loadBalanced && serviceId) {
+            const sid = serviceId.toHexString();
+            const generation = this.serviceGenerations.get(sid);
+            return connection.generation !== generation;
+        }
+        return connection.generation !== this[kGeneration];
+    }
+    connectionIsIdle(connection) {
+        return !!(this.options.maxIdleTimeMS && connection.idleTime > this.options.maxIdleTimeMS);
+    }
+    connectionIsPerished(connection) {
+        const isStale = this.connectionIsStale(connection);
+        const isIdle = this.connectionIsIdle(connection);
+        if (!isStale && !isIdle && !connection.closed) {
+            return false;
+        }
+        const reason = connection.closed ? 'error' : isStale ? 'stale' : 'idle';
+        this.destroyConnection(connection, reason);
+        return true;
+    }
+    createConnection(callback) {
+        const connectOptions = {
+            ...this.options,
+            id: this[kConnectionCounter].next().value,
+            generation: this[kGeneration],
+            cancellationToken: this[kCancellationToken]
+        };
+        this[kPending]++;
+        // This is our version of a "virtual" no-I/O connection as the spec requires
+        this.emit(ConnectionPool.CONNECTION_CREATED, new connection_pool_events_1.ConnectionCreatedEvent(this, { id: connectOptions.id }));
+        (0, connect_1.connect)(connectOptions, (err, connection) => {
+            if (err || !connection) {
+                this[kLogger].debug(`connection attempt failed with error [${JSON.stringify(err)}]`);
+                this[kPending]--;
+                callback(err !== null && err !== void 0 ? err : new error_1.MongoRuntimeError('Connection creation failed without error'));
+                return;
+            }
+            // The pool might have closed since we started trying to create a connection
+            if (this[kPoolState] !== exports.PoolState.ready) {
+                this[kPending]--;
+                connection.destroy({ force: true });
+                callback(this.closed ? new errors_1.PoolClosedError(this) : new errors_1.PoolClearedError(this));
+                return;
+            }
+            // forward all events from the connection to the pool
+            for (const event of [...constants_1.APM_EVENTS, connection_1.Connection.CLUSTER_TIME_RECEIVED]) {
+                connection.on(event, (e) => this.emit(event, e));
+            }
+            if (this.loadBalanced) {
+                connection.on(connection_1.Connection.PINNED, pinType => this[kMetrics].markPinned(pinType));
+                connection.on(connection_1.Connection.UNPINNED, pinType => this[kMetrics].markUnpinned(pinType));
+                const serviceId = connection.serviceId;
+                if (serviceId) {
+                    let generation;
+                    const sid = serviceId.toHexString();
+                    if ((generation = this.serviceGenerations.get(sid))) {
+                        connection.generation = generation;
+                    }
+                    else {
+                        this.serviceGenerations.set(sid, 0);
+                        connection.generation = 0;
+                    }
+                }
+            }
+            connection.markAvailable();
+            this.emit(ConnectionPool.CONNECTION_READY, new connection_pool_events_1.ConnectionReadyEvent(this, connection));
+            this[kPending]--;
+            callback(undefined, connection);
+            return;
+        });
+    }
+    ensureMinPoolSize() {
+        const minPoolSize = this.options.minPoolSize;
+        if (this[kPoolState] !== exports.PoolState.ready || minPoolSize === 0) {
+            return;
+        }
+        for (let i = 0; i < this[kConnections].length; i++) {
+            const connection = this[kConnections].peekAt(i);
+            if (connection && this.connectionIsPerished(connection)) {
+                this[kConnections].removeOne(i);
+            }
+        }
+        if (this.totalConnectionCount < minPoolSize &&
+            this.pendingConnectionCount < this.options.maxConnecting) {
+            // NOTE: ensureMinPoolSize should not try to get all the pending
+            // connection permits because that potentially delays the availability of
+            // the connection to a checkout request
+            this.createConnection((err, connection) => {
+                if (!err && connection) {
+                    this[kConnections].push(connection);
+                    process.nextTick(() => this.processWaitQueue());
+                }
+                if (this[kPoolState] === exports.PoolState.ready) {
+                    (0, timers_1.clearTimeout)(this[kMinPoolSizeTimer]);
+                    this[kMinPoolSizeTimer] = (0, timers_1.setTimeout)(() => this.ensureMinPoolSize(), 10);
+                }
+            });
+        }
+        else {
+            (0, timers_1.clearTimeout)(this[kMinPoolSizeTimer]);
+            this[kMinPoolSizeTimer] = (0, timers_1.setTimeout)(() => this.ensureMinPoolSize(), 100);
+        }
+    }
+    processWaitQueue() {
+        if (this[kProcessingWaitQueue]) {
+            return;
+        }
+        this[kProcessingWaitQueue] = true;
+        while (this.waitQueueSize) {
+            const waitQueueMember = this[kWaitQueue].peekFront();
+            if (!waitQueueMember) {
+                this[kWaitQueue].shift();
+                continue;
+            }
+            if (waitQueueMember[kCancelled]) {
+                this[kWaitQueue].shift();
+                continue;
+            }
+            if (this[kPoolState] !== exports.PoolState.ready) {
+                const reason = this.closed ? 'poolClosed' : 'connectionError';
+                const error = this.closed ? new errors_1.PoolClosedError(this) : new errors_1.PoolClearedError(this);
+                this.emit(ConnectionPool.CONNECTION_CHECK_OUT_FAILED, new connection_pool_events_1.ConnectionCheckOutFailedEvent(this, reason));
+                if (waitQueueMember.timer) {
+                    (0, timers_1.clearTimeout)(waitQueueMember.timer);
+                }
+                this[kWaitQueue].shift();
+                waitQueueMember.callback(error);
+                continue;
+            }
+            if (!this.availableConnectionCount) {
+                break;
+            }
+            const connection = this[kConnections].shift();
+            if (!connection) {
+                break;
+            }
+            if (!this.connectionIsPerished(connection)) {
+                this[kCheckedOut]++;
+                this.emit(ConnectionPool.CONNECTION_CHECKED_OUT, new connection_pool_events_1.ConnectionCheckedOutEvent(this, connection));
+                if (waitQueueMember.timer) {
+                    (0, timers_1.clearTimeout)(waitQueueMember.timer);
+                }
+                this[kWaitQueue].shift();
+                waitQueueMember.callback(undefined, connection);
+            }
+        }
+        const { maxPoolSize, maxConnecting } = this.options;
+        while (this.waitQueueSize > 0 &&
+            this.pendingConnectionCount < maxConnecting &&
+            (maxPoolSize === 0 || this.totalConnectionCount < maxPoolSize)) {
+            const waitQueueMember = this[kWaitQueue].shift();
+            if (!waitQueueMember || waitQueueMember[kCancelled]) {
+                continue;
+            }
+            this.createConnection((err, connection) => {
+                if (waitQueueMember[kCancelled]) {
+                    if (!err && connection) {
+                        this[kConnections].push(connection);
+                    }
+                }
+                else {
+                    if (err) {
+                        this.emit(ConnectionPool.CONNECTION_CHECK_OUT_FAILED, new connection_pool_events_1.ConnectionCheckOutFailedEvent(this, 'connectionError'));
+                    }
+                    else if (connection) {
+                        this[kCheckedOut]++;
+                        this.emit(ConnectionPool.CONNECTION_CHECKED_OUT, new connection_pool_events_1.ConnectionCheckedOutEvent(this, connection));
+                    }
+                    if (waitQueueMember.timer) {
+                        (0, timers_1.clearTimeout)(waitQueueMember.timer);
+                    }
+                    waitQueueMember.callback(err, connection);
+                }
+                process.nextTick(() => this.processWaitQueue());
+            });
+        }
+        this[kProcessingWaitQueue] = false;
+    }
+}
+exports.ConnectionPool = ConnectionPool;
+/**
+ * Emitted when the connection pool is created.
+ * @event
+ */
+ConnectionPool.CONNECTION_POOL_CREATED = constants_1.CONNECTION_POOL_CREATED;
+/**
+ * Emitted once when the connection pool is closed
+ * @event
+ */
+ConnectionPool.CONNECTION_POOL_CLOSED = constants_1.CONNECTION_POOL_CLOSED;
+/**
+ * Emitted each time the connection pool is cleared and it's generation incremented
+ * @event
+ */
+ConnectionPool.CONNECTION_POOL_CLEARED = constants_1.CONNECTION_POOL_CLEARED;
+/**
+ * Emitted each time the connection pool is marked ready
+ * @event
+ */
+ConnectionPool.CONNECTION_POOL_READY = constants_1.CONNECTION_POOL_READY;
+/**
+ * Emitted when a connection is created.
+ * @event
+ */
+ConnectionPool.CONNECTION_CREATED = constants_1.CONNECTION_CREATED;
+/**
+ * Emitted when a connection becomes established, and is ready to use
+ * @event
+ */
+ConnectionPool.CONNECTION_READY = constants_1.CONNECTION_READY;
+/**
+ * Emitted when a connection is closed
+ * @event
+ */
+ConnectionPool.CONNECTION_CLOSED = constants_1.CONNECTION_CLOSED;
+/**
+ * Emitted when an attempt to check out a connection begins
+ * @event
+ */
+ConnectionPool.CONNECTION_CHECK_OUT_STARTED = constants_1.CONNECTION_CHECK_OUT_STARTED;
+/**
+ * Emitted when an attempt to check out a connection fails
+ * @event
+ */
+ConnectionPool.CONNECTION_CHECK_OUT_FAILED = constants_1.CONNECTION_CHECK_OUT_FAILED;
+/**
+ * Emitted each time a connection is successfully checked out of the connection pool
+ * @event
+ */
+ConnectionPool.CONNECTION_CHECKED_OUT = constants_1.CONNECTION_CHECKED_OUT;
+/**
+ * Emitted each time a connection is successfully checked into the connection pool
+ * @event
+ */
+ConnectionPool.CONNECTION_CHECKED_IN = constants_1.CONNECTION_CHECKED_IN;
+//# sourceMappingURL=connection_pool.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/connection_pool.js.map b/node_modules/mongodb/lib/cmap/connection_pool.js.map
new file mode 100644
index 000000000..42fe88f48
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/connection_pool.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/connection_pool_events.js b/node_modules/mongodb/lib/cmap/connection_pool_events.js
new file mode 100644
index 000000000..7d8439613
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/connection_pool_events.js
@@ -0,0 +1,159 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ConnectionPoolClearedEvent = exports.ConnectionCheckedInEvent = exports.ConnectionCheckedOutEvent = exports.ConnectionCheckOutFailedEvent = exports.ConnectionCheckOutStartedEvent = exports.ConnectionClosedEvent = exports.ConnectionReadyEvent = exports.ConnectionCreatedEvent = exports.ConnectionPoolClosedEvent = exports.ConnectionPoolReadyEvent = exports.ConnectionPoolCreatedEvent = exports.ConnectionPoolMonitoringEvent = void 0;
+/**
+ * The base export class for all monitoring events published from the connection pool
+ * @public
+ * @category Event
+ */
+class ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool) {
+        this.time = new Date();
+        this.address = pool.address;
+    }
+}
+exports.ConnectionPoolMonitoringEvent = ConnectionPoolMonitoringEvent;
+/**
+ * An event published when a connection pool is created
+ * @public
+ * @category Event
+ */
+class ConnectionPoolCreatedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool) {
+        super(pool);
+        this.options = pool.options;
+    }
+}
+exports.ConnectionPoolCreatedEvent = ConnectionPoolCreatedEvent;
+/**
+ * An event published when a connection pool is ready
+ * @public
+ * @category Event
+ */
+class ConnectionPoolReadyEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool) {
+        super(pool);
+    }
+}
+exports.ConnectionPoolReadyEvent = ConnectionPoolReadyEvent;
+/**
+ * An event published when a connection pool is closed
+ * @public
+ * @category Event
+ */
+class ConnectionPoolClosedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool) {
+        super(pool);
+    }
+}
+exports.ConnectionPoolClosedEvent = ConnectionPoolClosedEvent;
+/**
+ * An event published when a connection pool creates a new connection
+ * @public
+ * @category Event
+ */
+class ConnectionCreatedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, connection) {
+        super(pool);
+        this.connectionId = connection.id;
+    }
+}
+exports.ConnectionCreatedEvent = ConnectionCreatedEvent;
+/**
+ * An event published when a connection is ready for use
+ * @public
+ * @category Event
+ */
+class ConnectionReadyEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, connection) {
+        super(pool);
+        this.connectionId = connection.id;
+    }
+}
+exports.ConnectionReadyEvent = ConnectionReadyEvent;
+/**
+ * An event published when a connection is closed
+ * @public
+ * @category Event
+ */
+class ConnectionClosedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, connection, reason) {
+        super(pool);
+        this.connectionId = connection.id;
+        this.reason = reason || 'unknown';
+        this.serviceId = connection.serviceId;
+    }
+}
+exports.ConnectionClosedEvent = ConnectionClosedEvent;
+/**
+ * An event published when a request to check a connection out begins
+ * @public
+ * @category Event
+ */
+class ConnectionCheckOutStartedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool) {
+        super(pool);
+    }
+}
+exports.ConnectionCheckOutStartedEvent = ConnectionCheckOutStartedEvent;
+/**
+ * An event published when a request to check a connection out fails
+ * @public
+ * @category Event
+ */
+class ConnectionCheckOutFailedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, reason) {
+        super(pool);
+        this.reason = reason;
+    }
+}
+exports.ConnectionCheckOutFailedEvent = ConnectionCheckOutFailedEvent;
+/**
+ * An event published when a connection is checked out of the connection pool
+ * @public
+ * @category Event
+ */
+class ConnectionCheckedOutEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, connection) {
+        super(pool);
+        this.connectionId = connection.id;
+    }
+}
+exports.ConnectionCheckedOutEvent = ConnectionCheckedOutEvent;
+/**
+ * An event published when a connection is checked into the connection pool
+ * @public
+ * @category Event
+ */
+class ConnectionCheckedInEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, connection) {
+        super(pool);
+        this.connectionId = connection.id;
+    }
+}
+exports.ConnectionCheckedInEvent = ConnectionCheckedInEvent;
+/**
+ * An event published when a connection pool is cleared
+ * @public
+ * @category Event
+ */
+class ConnectionPoolClearedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, serviceId) {
+        super(pool);
+        this.serviceId = serviceId;
+    }
+}
+exports.ConnectionPoolClearedEvent = ConnectionPoolClearedEvent;
+//# sourceMappingURL=connection_pool_events.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/connection_pool_events.js.map b/node_modules/mongodb/lib/cmap/connection_pool_events.js.map
new file mode 100644
index 000000000..712686346
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/connection_pool_events.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"connection_pool_events.js","sourceRoot":"","sources":["../../src/cmap/connection_pool_events.ts"],"names":[],"mappings":";;;AAKA;;;;GAIG;AACH,MAAa,6BAA6B;IAMxC,gBAAgB;IAChB,YAAY,IAAoB;QAC9B,IAAI,CAAC,IAAI,GAAG,IAAI,IAAI,EAAE,CAAC;QACvB,IAAI,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;IAC9B,CAAC;CACF;AAXD,sEAWC;AAED;;;;GAIG;AACH,MAAa,0BAA2B,SAAQ,6BAA6B;IAI3E,gBAAgB;IAChB,YAAY,IAAoB;QAC9B,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;IAC9B,CAAC;CACF;AATD,gEASC;AAED;;;;GAIG;AACH,MAAa,wBAAyB,SAAQ,6BAA6B;IACzE,gBAAgB;IAChB,YAAY,IAAoB;QAC9B,KAAK,CAAC,IAAI,CAAC,CAAC;IACd,CAAC;CACF;AALD,4DAKC;AAED;;;;GAIG;AACH,MAAa,yBAA0B,SAAQ,6BAA6B;IAC1E,gBAAgB;IAChB,YAAY,IAAoB;QAC9B,KAAK,CAAC,IAAI,CAAC,CAAC;IACd,CAAC;CACF;AALD,8DAKC;AAED;;;;GAIG;AACH,MAAa,sBAAuB,SAAQ,6BAA6B;IAIvE,gBAAgB;IAChB,YAAY,IAAoB,EAAE,UAAwC;QACxE,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,YAAY,GAAG,UAAU,CAAC,EAAE,CAAC;IACpC,CAAC;CACF;AATD,wDASC;AAED;;;;GAIG;AACH,MAAa,oBAAqB,SAAQ,6BAA6B;IAIrE,gBAAgB;IAChB,YAAY,IAAoB,EAAE,UAAsB;QACtD,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,YAAY,GAAG,UAAU,CAAC,EAAE,CAAC;IACpC,CAAC;CACF;AATD,oDASC;AAED;;;;GAIG;AACH,MAAa,qBAAsB,SAAQ,6BAA6B;IAOtE,gBAAgB;IAChB,YAAY,IAAoB,EAAE,UAAsB,EAAE,MAAc;QACtE,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,YAAY,GAAG,UAAU,CAAC,EAAE,CAAC;QAClC,IAAI,CAAC,MAAM,GAAG,MAAM,IAAI,SAAS,CAAC;QAClC,IAAI,CAAC,SAAS,GAAG,UAAU,CAAC,SAAS,CAAC;IACxC,CAAC;CACF;AAdD,sDAcC;AAED;;;;GAIG;AACH,MAAa,8BAA+B,SAAQ,6BAA6B;IAC/E,gBAAgB;IAChB,YAAY,IAAoB;QAC9B,KAAK,CAAC,IAAI,CAAC,CAAC;IACd,CAAC;CACF;AALD,wEAKC;AAED;;;;GAIG;AACH,MAAa,6BAA8B,SAAQ,6BAA6B;IAI9E,gBAAgB;IAChB,YAAY,IAAoB,EAAE,MAAyB;QACzD,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;IACvB,CAAC;CACF;AATD,sEASC;AAED;;;;GAIG;AACH,MAAa,yBAA0B,SAAQ,6BAA6B;IAI1E,gBAAgB;IAChB,YAAY,IAAoB,EAAE,UAAsB;QACtD,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,YAAY,GAAG,UAAU,CAAC,EAAE,CAAC;IACpC,CAAC;CACF;AATD,8DASC;AAED;;;;GAIG;AACH,MAAa,wBAAyB,SAAQ,6BAA6B;IAIzE,gBAAgB;IAChB,YAAY,IAAoB,EAAE,UAAsB;QACtD,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,YAAY,GAAG,UAAU,CAAC,EAAE,CAAC;IACpC,CAAC;CACF;AATD,4DASC;AAED;;;;GAIG;AACH,MAAa,0BAA2B,SAAQ,6BAA6B;IAI3E,gBAAgB;IAChB,YAAY,IAAoB,EAAE,SAAoB;QACpD,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,SAAS,GAAG,SAAS,CAAC;IAC7B,CAAC;CACF;AATD,gEASC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/errors.js b/node_modules/mongodb/lib/cmap/errors.js
new file mode 100644
index 000000000..0b77b2fe9
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/errors.js
@@ -0,0 +1,49 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.WaitQueueTimeoutError = exports.PoolClearedError = exports.PoolClosedError = void 0;
+const error_1 = require("../error");
+/**
+ * An error indicating a connection pool is closed
+ * @category Error
+ */
+class PoolClosedError extends error_1.MongoDriverError {
+    constructor(pool) {
+        super('Attempted to check out a connection from closed connection pool');
+        this.address = pool.address;
+    }
+    get name() {
+        return 'MongoPoolClosedError';
+    }
+}
+exports.PoolClosedError = PoolClosedError;
+/**
+ * An error indicating a connection pool is currently paused
+ * @category Error
+ */
+class PoolClearedError extends error_1.MongoNetworkError {
+    constructor(pool) {
+        // TODO(NODE-3135): pass in original pool-clearing error and use in message
+        // "failed with: <original error which cleared the pool>"
+        super(`Connection pool for ${pool.address} was cleared because another operation failed`);
+        this.address = pool.address;
+    }
+    get name() {
+        return 'MongoPoolClearedError';
+    }
+}
+exports.PoolClearedError = PoolClearedError;
+/**
+ * An error thrown when a request to check out a connection times out
+ * @category Error
+ */
+class WaitQueueTimeoutError extends error_1.MongoDriverError {
+    constructor(message, address) {
+        super(message);
+        this.address = address;
+    }
+    get name() {
+        return 'MongoWaitQueueTimeoutError';
+    }
+}
+exports.WaitQueueTimeoutError = WaitQueueTimeoutError;
+//# sourceMappingURL=errors.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/errors.js.map b/node_modules/mongodb/lib/cmap/errors.js.map
new file mode 100644
index 000000000..1c15abccb
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/errors.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"errors.js","sourceRoot":"","sources":["../../src/cmap/errors.ts"],"names":[],"mappings":";;;AAAA,oCAA+D;AAG/D;;;GAGG;AACH,MAAa,eAAgB,SAAQ,wBAAgB;IAInD,YAAY,IAAoB;QAC9B,KAAK,CAAC,iEAAiE,CAAC,CAAC;QACzE,IAAI,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;IAC9B,CAAC;IAED,IAAa,IAAI;QACf,OAAO,sBAAsB,CAAC;IAChC,CAAC;CACF;AAZD,0CAYC;AAED;;;GAGG;AACH,MAAa,gBAAiB,SAAQ,yBAAiB;IAIrD,YAAY,IAAoB;QAC9B,2EAA2E;QAC3E,yDAAyD;QACzD,KAAK,CAAC,uBAAuB,IAAI,CAAC,OAAO,+CAA+C,CAAC,CAAC;QAC1F,IAAI,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;IAC9B,CAAC;IAED,IAAa,IAAI;QACf,OAAO,uBAAuB,CAAC;IACjC,CAAC;CACF;AAdD,4CAcC;AAED;;;GAGG;AACH,MAAa,qBAAsB,SAAQ,wBAAgB;IAIzD,YAAY,OAAe,EAAE,OAAe;QAC1C,KAAK,CAAC,OAAO,CAAC,CAAC;QACf,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IAED,IAAa,IAAI;QACf,OAAO,4BAA4B,CAAC;IACtC,CAAC;CACF;AAZD,sDAYC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/message_stream.js b/node_modules/mongodb/lib/cmap/message_stream.js
new file mode 100644
index 000000000..de7e7d7a5
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/message_stream.js
@@ -0,0 +1,175 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MessageStream = void 0;
+const stream_1 = require("stream");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const commands_1 = require("./commands");
+const compression_1 = require("./wire_protocol/compression");
+const constants_1 = require("./wire_protocol/constants");
+const MESSAGE_HEADER_SIZE = 16;
+const COMPRESSION_DETAILS_SIZE = 9; // originalOpcode + uncompressedSize, compressorID
+const kDefaultMaxBsonMessageSize = 1024 * 1024 * 16 * 4;
+/** @internal */
+const kBuffer = Symbol('buffer');
+/**
+ * A duplex stream that is capable of reading and writing raw wire protocol messages, with
+ * support for optional compression
+ * @internal
+ */
+class MessageStream extends stream_1.Duplex {
+    constructor(options = {}) {
+        super(options);
+        /** @internal */
+        this.isMonitoringConnection = false;
+        this.maxBsonMessageSize = options.maxBsonMessageSize || kDefaultMaxBsonMessageSize;
+        this[kBuffer] = new utils_1.BufferPool();
+    }
+    get buffer() {
+        return this[kBuffer];
+    }
+    _write(chunk, _, callback) {
+        this[kBuffer].append(chunk);
+        processIncomingData(this, callback);
+    }
+    _read( /* size */) {
+        // NOTE: This implementation is empty because we explicitly push data to be read
+        //       when `writeMessage` is called.
+        return;
+    }
+    writeCommand(command, operationDescription) {
+        // TODO: agreed compressor should live in `StreamDescription`
+        const compressorName = operationDescription && operationDescription.agreedCompressor
+            ? operationDescription.agreedCompressor
+            : 'none';
+        if (compressorName === 'none' || !canCompress(command)) {
+            const data = command.toBin();
+            this.push(Array.isArray(data) ? Buffer.concat(data) : data);
+            return;
+        }
+        // otherwise, compress the message
+        const concatenatedOriginalCommandBuffer = Buffer.concat(command.toBin());
+        const messageToBeCompressed = concatenatedOriginalCommandBuffer.slice(MESSAGE_HEADER_SIZE);
+        // Extract information needed for OP_COMPRESSED from the uncompressed message
+        const originalCommandOpCode = concatenatedOriginalCommandBuffer.readInt32LE(12);
+        // Compress the message body
+        (0, compression_1.compress)({ options: operationDescription }, messageToBeCompressed, (err, compressedMessage) => {
+            if (err || !compressedMessage) {
+                operationDescription.cb(err);
+                return;
+            }
+            // Create the msgHeader of OP_COMPRESSED
+            const msgHeader = Buffer.alloc(MESSAGE_HEADER_SIZE);
+            msgHeader.writeInt32LE(MESSAGE_HEADER_SIZE + COMPRESSION_DETAILS_SIZE + compressedMessage.length, 0); // messageLength
+            msgHeader.writeInt32LE(command.requestId, 4); // requestID
+            msgHeader.writeInt32LE(0, 8); // responseTo (zero)
+            msgHeader.writeInt32LE(constants_1.OP_COMPRESSED, 12); // opCode
+            // Create the compression details of OP_COMPRESSED
+            const compressionDetails = Buffer.alloc(COMPRESSION_DETAILS_SIZE);
+            compressionDetails.writeInt32LE(originalCommandOpCode, 0); // originalOpcode
+            compressionDetails.writeInt32LE(messageToBeCompressed.length, 4); // Size of the uncompressed compressedMessage, excluding the MsgHeader
+            compressionDetails.writeUInt8(compression_1.Compressor[compressorName], 8); // compressorID
+            this.push(Buffer.concat([msgHeader, compressionDetails, compressedMessage]));
+        });
+    }
+}
+exports.MessageStream = MessageStream;
+// Return whether a command contains an uncompressible command term
+// Will return true if command contains no uncompressible command terms
+function canCompress(command) {
+    const commandDoc = command instanceof commands_1.Msg ? command.command : command.query;
+    const commandName = Object.keys(commandDoc)[0];
+    return !compression_1.uncompressibleCommands.has(commandName);
+}
+function processIncomingData(stream, callback) {
+    const buffer = stream[kBuffer];
+    if (buffer.length < 4) {
+        callback();
+        return;
+    }
+    const sizeOfMessage = buffer.peek(4).readInt32LE();
+    if (sizeOfMessage < 0) {
+        callback(new error_1.MongoParseError(`Invalid message size: ${sizeOfMessage}`));
+        return;
+    }
+    if (sizeOfMessage > stream.maxBsonMessageSize) {
+        callback(new error_1.MongoParseError(`Invalid message size: ${sizeOfMessage}, max allowed: ${stream.maxBsonMessageSize}`));
+        return;
+    }
+    if (sizeOfMessage > buffer.length) {
+        callback();
+        return;
+    }
+    const message = buffer.read(sizeOfMessage);
+    const messageHeader = {
+        length: message.readInt32LE(0),
+        requestId: message.readInt32LE(4),
+        responseTo: message.readInt32LE(8),
+        opCode: message.readInt32LE(12)
+    };
+    const monitorHasAnotherHello = () => {
+        if (stream.isMonitoringConnection) {
+            // Can we read the next message size?
+            if (buffer.length >= 4) {
+                const sizeOfMessage = buffer.peek(4).readInt32LE();
+                if (sizeOfMessage <= buffer.length) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    };
+    let ResponseType = messageHeader.opCode === constants_1.OP_MSG ? commands_1.BinMsg : commands_1.Response;
+    if (messageHeader.opCode !== constants_1.OP_COMPRESSED) {
+        const messageBody = message.slice(MESSAGE_HEADER_SIZE);
+        // If we are a monitoring connection message stream and
+        // there is more in the buffer that can be read, skip processing since we
+        // want the last hello command response that is in the buffer.
+        if (monitorHasAnotherHello()) {
+            processIncomingData(stream, callback);
+        }
+        else {
+            stream.emit('message', new ResponseType(message, messageHeader, messageBody));
+            if (buffer.length >= 4) {
+                processIncomingData(stream, callback);
+            }
+            else {
+                callback();
+            }
+        }
+        return;
+    }
+    messageHeader.fromCompressed = true;
+    messageHeader.opCode = message.readInt32LE(MESSAGE_HEADER_SIZE);
+    messageHeader.length = message.readInt32LE(MESSAGE_HEADER_SIZE + 4);
+    const compressorID = message[MESSAGE_HEADER_SIZE + 8];
+    const compressedBuffer = message.slice(MESSAGE_HEADER_SIZE + 9);
+    // recalculate based on wrapped opcode
+    ResponseType = messageHeader.opCode === constants_1.OP_MSG ? commands_1.BinMsg : commands_1.Response;
+    (0, compression_1.decompress)(compressorID, compressedBuffer, (err, messageBody) => {
+        if (err || !messageBody) {
+            callback(err);
+            return;
+        }
+        if (messageBody.length !== messageHeader.length) {
+            callback(new error_1.MongoDecompressionError('Message body and message header must be the same length'));
+            return;
+        }
+        // If we are a monitoring connection message stream and
+        // there is more in the buffer that can be read, skip processing since we
+        // want the last hello command response that is in the buffer.
+        if (monitorHasAnotherHello()) {
+            processIncomingData(stream, callback);
+        }
+        else {
+            stream.emit('message', new ResponseType(message, messageHeader, messageBody));
+            if (buffer.length >= 4) {
+                processIncomingData(stream, callback);
+            }
+            else {
+                callback();
+            }
+        }
+    });
+}
+//# sourceMappingURL=message_stream.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/message_stream.js.map b/node_modules/mongodb/lib/cmap/message_stream.js.map
new file mode 100644
index 000000000..892b31e69
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/message_stream.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"message_stream.js","sourceRoot":"","sources":["../../src/cmap/message_stream.ts"],"names":[],"mappings":";;;AAAA,mCAA+C;AAG/C,oCAAoE;AAEpE,oCAAgD;AAChD,yCAA4F;AAC5F,6DAMqC;AACrC,yDAAkE;AAElE,MAAM,mBAAmB,GAAG,EAAE,CAAC;AAC/B,MAAM,wBAAwB,GAAG,CAAC,CAAC,CAAC,kDAAkD;AAEtF,MAAM,0BAA0B,GAAG,IAAI,GAAG,IAAI,GAAG,EAAE,GAAG,CAAC,CAAC;AACxD,gBAAgB;AAChB,MAAM,OAAO,GAAG,MAAM,CAAC,QAAQ,CAAC,CAAC;AAuBjC;;;;GAIG;AACH,MAAa,aAAc,SAAQ,eAAM;IAQvC,YAAY,UAAgC,EAAE;QAC5C,KAAK,CAAC,OAAO,CAAC,CAAC;QAJjB,gBAAgB;QAChB,2BAAsB,GAAG,KAAK,CAAC;QAI7B,IAAI,CAAC,kBAAkB,GAAG,OAAO,CAAC,kBAAkB,IAAI,0BAA0B,CAAC;QACnF,IAAI,CAAC,OAAO,CAAC,GAAG,IAAI,kBAAU,EAAE,CAAC;IACnC,CAAC;IAED,IAAI,MAAM;QACR,OAAO,IAAI,CAAC,OAAO,CAAC,CAAC;IACvB,CAAC;IAEQ,MAAM,CAAC,KAAa,EAAE,CAAU,EAAE,QAA0B;QACnE,IAAI,CAAC,OAAO,CAAC,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;QAC5B,mBAAmB,CAAC,IAAI,EAAE,QAAQ,CAAC,CAAC;IACtC,CAAC;IAEQ,KAAK,EAAC,UAAU;QACvB,gFAAgF;QAChF,uCAAuC;QACvC,OAAO;IACT,CAAC;IAED,YAAY,CACV,OAAiC,EACjC,oBAA0C;QAE1C,6DAA6D;QAC7D,MAAM,cAAc,GAClB,oBAAoB,IAAI,oBAAoB,CAAC,gBAAgB;YAC3D,CAAC,CAAC,oBAAoB,CAAC,gBAAgB;YACvC,CAAC,CAAC,MAAM,CAAC;QACb,IAAI,cAAc,KAAK,MAAM,IAAI,CAAC,WAAW,CAAC,OAAO,CAAC,EAAE;YACtD,MAAM,IAAI,GAAG,OAAO,CAAC,KAAK,EAAE,CAAC;YAC7B,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,MAAM,CAAC,MAAM,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC;YAC5D,OAAO;SACR;QACD,kCAAkC;QAClC,MAAM,iCAAiC,GAAG,MAAM,CAAC,MAAM,CAAC,OAAO,CAAC,KAAK,EAAE,CAAC,CAAC;QACzE,MAAM,qBAAqB,GAAG,iCAAiC,CAAC,KAAK,CAAC,mBAAmB,CAAC,CAAC;QAE3F,6EAA6E;QAC7E,MAAM,qBAAqB,GAAG,iCAAiC,CAAC,WAAW,CAAC,EAAE,CAAC,CAAC;QAEhF,4BAA4B;QAC5B,IAAA,sBAAQ,EAAC,EAAE,OAAO,EAAE,oBAAoB,EAAE,EAAE,qBAAqB,EAAE,CAAC,GAAG,EAAE,iBAAiB,EAAE,EAAE;YAC5F,IAAI,GAAG,IAAI,CAAC,iBAAiB,EAAE;gBAC7B,oBAAoB,CAAC,EAAE,CAAC,GAAG,CAAC,CAAC;gBAC7B,OAAO;aACR;YAED,wCAAwC;YACxC,MAAM,SAAS,GAAG,MAAM,CAAC,KAAK,CAAC,mBAAmB,CAAC,CAAC;YACpD,SAAS,CAAC,YAAY,CACpB,mBAAmB,GAAG,wBAAwB,GAAG,iBAAiB,CAAC,MAAM,EACzE,CAAC,CACF,CAAC,CAAC,gBAAgB;YACnB,SAAS,CAAC,YAAY,CAAC,OAAO,CAAC,SAAS,EAAE,CAAC,CAAC,CAAC,CAAC,YAAY;YAC1D,SAAS,CAAC,YAAY,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,oBAAoB;YAClD,SAAS,CAAC,YAAY,CAAC,yBAAa,EAAE,EAAE,CAAC,CAAC,CAAC,SAAS;YAEpD,kDAAkD;YAClD,MAAM,kBAAkB,GAAG,MAAM,CAAC,KAAK,CAAC,wBAAwB,CAAC,CAAC;YAClE,kBAAkB,CAAC,YAAY,CAAC,qBAAqB,EAAE,CAAC,CAAC,CAAC,CAAC,iBAAiB;YAC5E,kBAAkB,CAAC,YAAY,CAAC,qBAAqB,CAAC,MAAM,EAAE,CAAC,CAAC,CAAC,CAAC,sEAAsE;YACxI,kBAAkB,CAAC,UAAU,CAAC,wBAAU,CAAC,cAAc,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,eAAe;YAC7E,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,MAAM,CAAC,CAAC,SAAS,EAAE,kBAAkB,EAAE,iBAAiB,CAAC,CAAC,CAAC,CAAC;QAC/E,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA3ED,sCA2EC;AAED,mEAAmE;AACnE,uEAAuE;AACvE,SAAS,WAAW,CAAC,OAAiC;IACpD,MAAM,UAAU,GAAG,OAAO,YAAY,cAAG,CAAC,CAAC,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC,CAAC,OAAO,CAAC,KAAK,CAAC;IAC5E,MAAM,WAAW,GAAG,MAAM,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC,CAAC;IAC/C,OAAO,CAAC,oCAAsB,CAAC,GAAG,CAAC,WAAW,CAAC,CAAC;AAClD,CAAC;AAED,SAAS,mBAAmB,CAAC,MAAqB,EAAE,QAA0B;IAC5E,MAAM,MAAM,GAAG,MAAM,CAAC,OAAO,CAAC,CAAC;IAC/B,IAAI,MAAM,CAAC,MAAM,GAAG,CAAC,EAAE;QACrB,QAAQ,EAAE,CAAC;QACX,OAAO;KACR;IAED,MAAM,aAAa,GAAG,MAAM,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,WAAW,EAAE,CAAC;IACnD,IAAI,aAAa,GAAG,CAAC,EAAE;QACrB,QAAQ,CAAC,IAAI,uBAAe,CAAC,yBAAyB,aAAa,EAAE,CAAC,CAAC,CAAC;QACxE,OAAO;KACR;IAED,IAAI,aAAa,GAAG,MAAM,CAAC,kBAAkB,EAAE;QAC7C,QAAQ,CACN,IAAI,uBAAe,CACjB,yBAAyB,aAAa,kBAAkB,MAAM,CAAC,kBAAkB,EAAE,CACpF,CACF,CAAC;QACF,OAAO;KACR;IAED,IAAI,aAAa,GAAG,MAAM,CAAC,MAAM,EAAE;QACjC,QAAQ,EAAE,CAAC;QACX,OAAO;KACR;IAED,MAAM,OAAO,GAAG,MAAM,CAAC,IAAI,CAAC,aAAa,CAAC,CAAC;IAC3C,MAAM,aAAa,GAAkB;QACnC,MAAM,EAAE,OAAO,CAAC,WAAW,CAAC,CAAC,CAAC;QAC9B,SAAS,EAAE,OAAO,CAAC,WAAW,CAAC,CAAC,CAAC;QACjC,UAAU,EAAE,OAAO,CAAC,WAAW,CAAC,CAAC,CAAC;QAClC,MAAM,EAAE,OAAO,CAAC,WAAW,CAAC,EAAE,CAAC;KAChC,CAAC;IAEF,MAAM,sBAAsB,GAAG,GAAG,EAAE;QAClC,IAAI,MAAM,CAAC,sBAAsB,EAAE;YACjC,qCAAqC;YACrC,IAAI,MAAM,CAAC,MAAM,IAAI,CAAC,EAAE;gBACtB,MAAM,aAAa,GAAG,MAAM,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,WAAW,EAAE,CAAC;gBACnD,IAAI,aAAa,IAAI,MAAM,CAAC,MAAM,EAAE;oBAClC,OAAO,IAAI,CAAC;iBACb;aACF;SACF;QACD,OAAO,KAAK,CAAC;IACf,CAAC,CAAC;IAEF,IAAI,YAAY,GAAG,aAAa,CAAC,MAAM,KAAK,kBAAM,CAAC,CAAC,CAAC,iBAAM,CAAC,CAAC,CAAC,mBAAQ,CAAC;IACvE,IAAI,aAAa,CAAC,MAAM,KAAK,yBAAa,EAAE;QAC1C,MAAM,WAAW,GAAG,OAAO,CAAC,KAAK,CAAC,mBAAmB,CAAC,CAAC;QAEvD,uDAAuD;QACvD,yEAAyE;QACzE,8DAA8D;QAC9D,IAAI,sBAAsB,EAAE,EAAE;YAC5B,mBAAmB,CAAC,MAAM,EAAE,QAAQ,CAAC,CAAC;SACvC;aAAM;YACL,MAAM,CAAC,IAAI,CAAC,SAAS,EAAE,IAAI,YAAY,CAAC,OAAO,EAAE,aAAa,EAAE,WAAW,CAAC,CAAC,CAAC;YAE9E,IAAI,MAAM,CAAC,MAAM,IAAI,CAAC,EAAE;gBACtB,mBAAmB,CAAC,MAAM,EAAE,QAAQ,CAAC,CAAC;aACvC;iBAAM;gBACL,QAAQ,EAAE,CAAC;aACZ;SACF;QAED,OAAO;KACR;IAED,aAAa,CAAC,cAAc,GAAG,IAAI,CAAC;IACpC,aAAa,CAAC,MAAM,GAAG,OAAO,CAAC,WAAW,CAAC,mBAAmB,CAAC,CAAC;IAChE,aAAa,CAAC,MAAM,GAAG,OAAO,CAAC,WAAW,CAAC,mBAAmB,GAAG,CAAC,CAAC,CAAC;IACpE,MAAM,YAAY,GAAe,OAAO,CAAC,mBAAmB,GAAG,CAAC,CAAe,CAAC;IAChF,MAAM,gBAAgB,GAAG,OAAO,CAAC,KAAK,CAAC,mBAAmB,GAAG,CAAC,CAAC,CAAC;IAEhE,sCAAsC;IACtC,YAAY,GAAG,aAAa,CAAC,MAAM,KAAK,kBAAM,CAAC,CAAC,CAAC,iBAAM,CAAC,CAAC,CAAC,mBAAQ,CAAC;IACnE,IAAA,wBAAU,EA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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/metrics.js b/node_modules/mongodb/lib/cmap/metrics.js
new file mode 100644
index 000000000..89c221091
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/metrics.js
@@ -0,0 +1,62 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ConnectionPoolMetrics = void 0;
+/** @internal */
+class ConnectionPoolMetrics {
+    constructor() {
+        this.txnConnections = 0;
+        this.cursorConnections = 0;
+        this.otherConnections = 0;
+    }
+    /**
+     * Mark a connection as pinned for a specific operation.
+     */
+    markPinned(pinType) {
+        if (pinType === ConnectionPoolMetrics.TXN) {
+            this.txnConnections += 1;
+        }
+        else if (pinType === ConnectionPoolMetrics.CURSOR) {
+            this.cursorConnections += 1;
+        }
+        else {
+            this.otherConnections += 1;
+        }
+    }
+    /**
+     * Unmark a connection as pinned for an operation.
+     */
+    markUnpinned(pinType) {
+        if (pinType === ConnectionPoolMetrics.TXN) {
+            this.txnConnections -= 1;
+        }
+        else if (pinType === ConnectionPoolMetrics.CURSOR) {
+            this.cursorConnections -= 1;
+        }
+        else {
+            this.otherConnections -= 1;
+        }
+    }
+    /**
+     * Return information about the cmap metrics as a string.
+     */
+    info(maxPoolSize) {
+        return ('Timed out while checking out a connection from connection pool: ' +
+            `maxPoolSize: ${maxPoolSize}, ` +
+            `connections in use by cursors: ${this.cursorConnections}, ` +
+            `connections in use by transactions: ${this.txnConnections}, ` +
+            `connections in use by other operations: ${this.otherConnections}`);
+    }
+    /**
+     * Reset the metrics to the initial values.
+     */
+    reset() {
+        this.txnConnections = 0;
+        this.cursorConnections = 0;
+        this.otherConnections = 0;
+    }
+}
+exports.ConnectionPoolMetrics = ConnectionPoolMetrics;
+ConnectionPoolMetrics.TXN = 'txn';
+ConnectionPoolMetrics.CURSOR = 'cursor';
+ConnectionPoolMetrics.OTHER = 'other';
+//# sourceMappingURL=metrics.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/metrics.js.map b/node_modules/mongodb/lib/cmap/metrics.js.map
new file mode 100644
index 000000000..270cefe79
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/metrics.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"metrics.js","sourceRoot":"","sources":["../../src/cmap/metrics.ts"],"names":[],"mappings":";;;AAAA,gBAAgB;AAChB,MAAa,qBAAqB;IAAlC;QAKE,mBAAc,GAAG,CAAC,CAAC;QACnB,sBAAiB,GAAG,CAAC,CAAC;QACtB,qBAAgB,GAAG,CAAC,CAAC;IAiDvB,CAAC;IA/CC;;OAEG;IACH,UAAU,CAAC,OAAe;QACxB,IAAI,OAAO,KAAK,qBAAqB,CAAC,GAAG,EAAE;YACzC,IAAI,CAAC,cAAc,IAAI,CAAC,CAAC;SAC1B;aAAM,IAAI,OAAO,KAAK,qBAAqB,CAAC,MAAM,EAAE;YACnD,IAAI,CAAC,iBAAiB,IAAI,CAAC,CAAC;SAC7B;aAAM;YACL,IAAI,CAAC,gBAAgB,IAAI,CAAC,CAAC;SAC5B;IACH,CAAC;IAED;;OAEG;IACH,YAAY,CAAC,OAAe;QAC1B,IAAI,OAAO,KAAK,qBAAqB,CAAC,GAAG,EAAE;YACzC,IAAI,CAAC,cAAc,IAAI,CAAC,CAAC;SAC1B;aAAM,IAAI,OAAO,KAAK,qBAAqB,CAAC,MAAM,EAAE;YACnD,IAAI,CAAC,iBAAiB,IAAI,CAAC,CAAC;SAC7B;aAAM;YACL,IAAI,CAAC,gBAAgB,IAAI,CAAC,CAAC;SAC5B;IACH,CAAC;IAED;;OAEG;IACH,IAAI,CAAC,WAAmB;QACtB,OAAO,CACL,kEAAkE;YAClE,gBAAgB,WAAW,IAAI;YAC/B,kCAAkC,IAAI,CAAC,iBAAiB,IAAI;YAC5D,uCAAuC,IAAI,CAAC,cAAc,IAAI;YAC9D,2CAA2C,IAAI,CAAC,gBAAgB,EAAE,CACnE,CAAC;IACJ,CAAC;IAED;;OAEG;IACH,KAAK;QACH,IAAI,CAAC,cAAc,GAAG,CAAC,CAAC;QACxB,IAAI,CAAC,iBAAiB,GAAG,CAAC,CAAC;QAC3B,IAAI,CAAC,gBAAgB,GAAG,CAAC,CAAC;IAC5B,CAAC;;AAvDH,sDAwDC;AAvDiB,yBAAG,GAAG,KAAc,CAAC;AACrB,4BAAM,GAAG,QAAiB,CAAC;AAC3B,2BAAK,GAAG,OAAgB,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/stream_description.js b/node_modules/mongodb/lib/cmap/stream_description.js
new file mode 100644
index 000000000..4d4eb3293
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/stream_description.js
@@ -0,0 +1,51 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.StreamDescription = void 0;
+const common_1 = require("../sdam/common");
+const server_description_1 = require("../sdam/server_description");
+const RESPONSE_FIELDS = [
+    'minWireVersion',
+    'maxWireVersion',
+    'maxBsonObjectSize',
+    'maxMessageSizeBytes',
+    'maxWriteBatchSize',
+    'logicalSessionTimeoutMinutes'
+];
+/** @public */
+class StreamDescription {
+    constructor(address, options) {
+        this.address = address;
+        this.type = common_1.ServerType.Unknown;
+        this.minWireVersion = undefined;
+        this.maxWireVersion = undefined;
+        this.maxBsonObjectSize = 16777216;
+        this.maxMessageSizeBytes = 48000000;
+        this.maxWriteBatchSize = 100000;
+        this.logicalSessionTimeoutMinutes = options === null || options === void 0 ? void 0 : options.logicalSessionTimeoutMinutes;
+        this.loadBalanced = !!(options === null || options === void 0 ? void 0 : options.loadBalanced);
+        this.compressors =
+            options && options.compressors && Array.isArray(options.compressors)
+                ? options.compressors
+                : [];
+    }
+    receiveResponse(response) {
+        if (response == null) {
+            return;
+        }
+        this.type = (0, server_description_1.parseServerType)(response);
+        for (const field of RESPONSE_FIELDS) {
+            if (response[field] != null) {
+                this[field] = response[field];
+            }
+            // testing case
+            if ('__nodejs_mock_server__' in response) {
+                this.__nodejs_mock_server__ = response['__nodejs_mock_server__'];
+            }
+        }
+        if (response.compression) {
+            this.compressor = this.compressors.filter(c => { var _a; return (_a = response.compression) === null || _a === void 0 ? void 0 : _a.includes(c); })[0];
+        }
+    }
+}
+exports.StreamDescription = StreamDescription;
+//# sourceMappingURL=stream_description.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/stream_description.js.map b/node_modules/mongodb/lib/cmap/stream_description.js.map
new file mode 100644
index 000000000..1cebe013f
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/stream_description.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"stream_description.js","sourceRoot":"","sources":["../../src/cmap/stream_description.ts"],"names":[],"mappings":";;;AACA,2CAA4C;AAC5C,mEAA6D;AAG7D,MAAM,eAAe,GAAG;IACtB,gBAAgB;IAChB,gBAAgB;IAChB,mBAAmB;IACnB,qBAAqB;IACrB,mBAAmB;IACnB,8BAA8B;CACtB,CAAC;AASX,cAAc;AACd,MAAa,iBAAiB;IAiB5B,YAAY,OAAe,EAAE,OAAkC;QAC7D,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,IAAI,GAAG,mBAAU,CAAC,OAAO,CAAC;QAC/B,IAAI,CAAC,cAAc,GAAG,SAAS,CAAC;QAChC,IAAI,CAAC,cAAc,GAAG,SAAS,CAAC;QAChC,IAAI,CAAC,iBAAiB,GAAG,QAAQ,CAAC;QAClC,IAAI,CAAC,mBAAmB,GAAG,QAAQ,CAAC;QACpC,IAAI,CAAC,iBAAiB,GAAG,MAAM,CAAC;QAChC,IAAI,CAAC,4BAA4B,GAAG,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,4BAA4B,CAAC;QAC1E,IAAI,CAAC,YAAY,GAAG,CAAC,CAAC,CAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,YAAY,CAAA,CAAC;QAC5C,IAAI,CAAC,WAAW;YACd,OAAO,IAAI,OAAO,CAAC,WAAW,IAAI,KAAK,CAAC,OAAO,CAAC,OAAO,CAAC,WAAW,CAAC;gBAClE,CAAC,CAAC,OAAO,CAAC,WAAW;gBACrB,CAAC,CAAC,EAAE,CAAC;IACX,CAAC;IAED,eAAe,CAAC,QAAyB;QACvC,IAAI,QAAQ,IAAI,IAAI,EAAE;YACpB,OAAO;SACR;QACD,IAAI,CAAC,IAAI,GAAG,IAAA,oCAAe,EAAC,QAAQ,CAAC,CAAC;QACtC,KAAK,MAAM,KAAK,IAAI,eAAe,EAAE;YACnC,IAAI,QAAQ,CAAC,KAAK,CAAC,IAAI,IAAI,EAAE;gBAC3B,IAAI,CAAC,KAAK,CAAC,GAAG,QAAQ,CAAC,KAAK,CAAC,CAAC;aAC/B;YAED,eAAe;YACf,IAAI,wBAAwB,IAAI,QAAQ,EAAE;gBACxC,IAAI,CAAC,sBAAsB,GAAG,QAAQ,CAAC,wBAAwB,CAAC,CAAC;aAClE;SACF;QAED,IAAI,QAAQ,CAAC,WAAW,EAAE;YACxB,IAAI,CAAC,UAAU,GAAG,IAAI,CAAC,WAAW,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,WAAC,OAAA,MAAA,QAAQ,CAAC,WAAW,0CAAE,QAAQ,CAAC,CAAC,CAAC,CAAA,EAAA,CAAC,CAAC,CAAC,CAAC,CAAC;SACtF;IACH,CAAC;CACF;AArDD,8CAqDC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/wire_protocol/compression.js b/node_modules/mongodb/lib/cmap/wire_protocol/compression.js
new file mode 100644
index 000000000..e198be865
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/wire_protocol/compression.js
@@ -0,0 +1,96 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.decompress = exports.compress = exports.uncompressibleCommands = exports.Compressor = void 0;
+const zlib = require("zlib");
+const constants_1 = require("../../constants");
+const deps_1 = require("../../deps");
+const error_1 = require("../../error");
+/** @public */
+exports.Compressor = Object.freeze({
+    none: 0,
+    snappy: 1,
+    zlib: 2,
+    zstd: 3
+});
+exports.uncompressibleCommands = new Set([
+    constants_1.LEGACY_HELLO_COMMAND,
+    'saslStart',
+    'saslContinue',
+    'getnonce',
+    'authenticate',
+    'createUser',
+    'updateUser',
+    'copydbSaslStart',
+    'copydbgetnonce',
+    'copydb'
+]);
+const MAX_COMPRESSOR_ID = 3;
+const ZSTD_COMPRESSION_LEVEL = 3;
+// Facilitate compressing a message using an agreed compressor
+function compress(self, dataToBeCompressed, callback) {
+    const zlibOptions = {};
+    switch (self.options.agreedCompressor) {
+        case 'snappy': {
+            if ('kModuleError' in deps_1.Snappy) {
+                return callback(deps_1.Snappy['kModuleError']);
+            }
+            if (deps_1.Snappy[deps_1.PKG_VERSION].major <= 6) {
+                deps_1.Snappy.compress(dataToBeCompressed, callback);
+            }
+            else {
+                deps_1.Snappy.compress(dataToBeCompressed).then(buffer => callback(undefined, buffer), error => callback(error));
+            }
+            break;
+        }
+        case 'zlib':
+            // Determine zlibCompressionLevel
+            if (self.options.zlibCompressionLevel) {
+                zlibOptions.level = self.options.zlibCompressionLevel;
+            }
+            zlib.deflate(dataToBeCompressed, zlibOptions, callback);
+            break;
+        case 'zstd':
+            if ('kModuleError' in deps_1.ZStandard) {
+                return callback(deps_1.ZStandard['kModuleError']);
+            }
+            deps_1.ZStandard.compress(dataToBeCompressed, ZSTD_COMPRESSION_LEVEL).then(buffer => callback(undefined, buffer), error => callback(error));
+            break;
+        default:
+            throw new error_1.MongoInvalidArgumentError(`Unknown compressor ${self.options.agreedCompressor} failed to compress`);
+    }
+}
+exports.compress = compress;
+// Decompress a message using the given compressor
+function decompress(compressorID, compressedData, callback) {
+    if (compressorID < 0 || compressorID > MAX_COMPRESSOR_ID) {
+        throw new error_1.MongoDecompressionError(`Server sent message compressed using an unsupported compressor. (Received compressor ID ${compressorID})`);
+    }
+    switch (compressorID) {
+        case exports.Compressor.snappy: {
+            if ('kModuleError' in deps_1.Snappy) {
+                return callback(deps_1.Snappy['kModuleError']);
+            }
+            if (deps_1.Snappy[deps_1.PKG_VERSION].major <= 6) {
+                deps_1.Snappy.uncompress(compressedData, { asBuffer: true }, callback);
+            }
+            else {
+                deps_1.Snappy.uncompress(compressedData, { asBuffer: true }).then(buffer => callback(undefined, buffer), error => callback(error));
+            }
+            break;
+        }
+        case exports.Compressor.zstd: {
+            if ('kModuleError' in deps_1.ZStandard) {
+                return callback(deps_1.ZStandard['kModuleError']);
+            }
+            deps_1.ZStandard.decompress(compressedData).then(buffer => callback(undefined, buffer), error => callback(error));
+            break;
+        }
+        case exports.Compressor.zlib:
+            zlib.inflate(compressedData, callback);
+            break;
+        default:
+            callback(undefined, compressedData);
+    }
+}
+exports.decompress = decompress;
+//# sourceMappingURL=compression.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/wire_protocol/compression.js.map b/node_modules/mongodb/lib/cmap/wire_protocol/compression.js.map
new file mode 100644
index 000000000..e2ecbbd3e
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/wire_protocol/compression.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"compression.js","sourceRoot":"","sources":["../../../src/cmap/wire_protocol/compression.ts"],"names":[],"mappings":";;;AAAA,6BAA6B;AAE7B,+CAAuD;AACvD,qCAA4D;AAC5D,uCAAiF;AAIjF,cAAc;AACD,QAAA,UAAU,GAAG,MAAM,CAAC,MAAM,CAAC;IACtC,IAAI,EAAE,CAAC;IACP,MAAM,EAAE,CAAC;IACT,IAAI,EAAE,CAAC;IACP,IAAI,EAAE,CAAC;CACC,CAAC,CAAC;AAQC,QAAA,sBAAsB,GAAG,IAAI,GAAG,CAAC;IAC5C,gCAAoB;IACpB,WAAW;IACX,cAAc;IACd,UAAU;IACV,cAAc;IACd,YAAY;IACZ,YAAY;IACZ,iBAAiB;IACjB,gBAAgB;IAChB,QAAQ;CACT,CAAC,CAAC;AAEH,MAAM,iBAAiB,GAAG,CAAC,CAAC;AAC5B,MAAM,sBAAsB,GAAG,CAAC,CAAC;AAEjC,8DAA8D;AAC9D,SAAgB,QAAQ,CACtB,IAA0D,EAC1D,kBAA0B,EAC1B,QAA0B;IAE1B,MAAM,WAAW,GAAG,EAAsB,CAAC;IAC3C,QAAQ,IAAI,CAAC,OAAO,CAAC,gBAAgB,EAAE;QACrC,KAAK,QAAQ,CAAC,CAAC;YACb,IAAI,cAAc,IAAI,aAAM,EAAE;gBAC5B,OAAO,QAAQ,CAAC,aAAM,CAAC,cAAc,CAAC,CAAC,CAAC;aACzC;YAED,IAAI,aAAM,CAAC,kBAAW,CAAC,CAAC,KAAK,IAAI,CAAC,EAAE;gBAClC,aAAM,CAAC,QAAQ,CAAC,kBAAkB,EAAE,QAAQ,CAAC,CAAC;aAC/C;iBAAM;gBACL,aAAM,CAAC,QAAQ,CAAC,kBAAkB,CAAC,CAAC,IAAI,CACtC,MAAM,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EACrC,KAAK,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CACzB,CAAC;aACH;YACD,MAAM;SACP;QACD,KAAK,MAAM;YACT,iCAAiC;YACjC,IAAI,IAAI,CAAC,OAAO,CAAC,oBAAoB,EAAE;gBACrC,WAAW,CAAC,KAAK,GAAG,IAAI,CAAC,OAAO,CAAC,oBAAoB,CAAC;aACvD;YACD,IAAI,CAAC,OAAO,CAAC,kBAAkB,EAAE,WAAW,EAAE,QAAiC,CAAC,CAAC;YACjF,MAAM;QACR,KAAK,MAAM;YACT,IAAI,cAAc,IAAI,gBAAS,EAAE;gBAC/B,OAAO,QAAQ,CAAC,gBAAS,CAAC,cAAc,CAAC,CAAC,CAAC;aAC5C;YACD,gBAAS,CAAC,QAAQ,CAAC,kBAAkB,EAAE,sBAAsB,CAAC,CAAC,IAAI,CACjE,MAAM,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EACrC,KAAK,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CACzB,CAAC;YACF,MAAM;QACR;YACE,MAAM,IAAI,iCAAyB,CACjC,sBAAsB,IAAI,CAAC,OAAO,CAAC,gBAAgB,qBAAqB,CACzE,CAAC;KACL;AACH,CAAC;AA3CD,4BA2CC;AAED,kDAAkD;AAClD,SAAgB,UAAU,CACxB,YAAwB,EACxB,cAAsB,EACtB,QAA0B;IAE1B,IAAI,YAAY,GAAG,CAAC,IAAI,YAAY,GAAG,iBAAiB,EAAE;QACxD,MAAM,IAAI,+BAAuB,CAC/B,2FAA2F,YAAY,GAAG,CAC3G,CAAC;KACH;IAED,QAAQ,YAAY,EAAE;QACpB,KAAK,kBAAU,CAAC,MAAM,CAAC,CAAC;YACtB,IAAI,cAAc,IAAI,aAAM,EAAE;gBAC5B,OAAO,QAAQ,CAAC,aAAM,CAAC,cAAc,CAAC,CAAC,CAAC;aACzC;YAED,IAAI,aAAM,CAAC,kBAAW,CAAC,CAAC,KAAK,IAAI,CAAC,EAAE;gBAClC,aAAM,CAAC,UAAU,CAAC,cAAc,EAAE,EAAE,QAAQ,EAAE,IAAI,EAAE,EAAE,QAAQ,CAAC,CAAC;aACjE;iBAAM;gBACL,aAAM,CAAC,UAAU,CAAC,cAAc,EAAE,EAAE,QAAQ,EAAE,IAAI,EAAE,CAAC,CAAC,IAAI,CACxD,MAAM,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EACrC,KAAK,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CACzB,CAAC;aACH;YACD,MAAM;SACP;QACD,KAAK,kBAAU,CAAC,IAAI,CAAC,CAAC;YACpB,IAAI,cAAc,IAAI,gBAAS,EAAE;gBAC/B,OAAO,QAAQ,CAAC,gBAAS,CAAC,cAAc,CAAC,CAAC,CAAC;aAC5C;YAED,gBAAS,CAAC,UAAU,CAAC,cAAc,CAAC,CAAC,IAAI,CACvC,MAAM,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EACrC,KAAK,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CACzB,CAAC;YACF,MAAM;SACP;QACD,KAAK,kBAAU,CAAC,IAAI;YAClB,IAAI,CAAC,OAAO,CAAC,cAAc,EAAE,QAAiC,CAAC,CAAC;YAChE,MAAM;QACR;YACE,QAAQ,CAAC,SAAS,EAAE,cAAc,CAAC,CAAC;KACvC;AACH,CAAC;AA5CD,gCA4CC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/wire_protocol/constants.js b/node_modules/mongodb/lib/cmap/wire_protocol/constants.js
new file mode 100644
index 000000000..ab10958c4
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/wire_protocol/constants.js
@@ -0,0 +1,15 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.OP_MSG = exports.OP_COMPRESSED = exports.OP_DELETE = exports.OP_QUERY = exports.OP_INSERT = exports.OP_UPDATE = exports.OP_REPLY = exports.MAX_SUPPORTED_WIRE_VERSION = exports.MIN_SUPPORTED_WIRE_VERSION = exports.MAX_SUPPORTED_SERVER_VERSION = exports.MIN_SUPPORTED_SERVER_VERSION = void 0;
+exports.MIN_SUPPORTED_SERVER_VERSION = '3.6';
+exports.MAX_SUPPORTED_SERVER_VERSION = '6.0';
+exports.MIN_SUPPORTED_WIRE_VERSION = 6;
+exports.MAX_SUPPORTED_WIRE_VERSION = 17;
+exports.OP_REPLY = 1;
+exports.OP_UPDATE = 2001;
+exports.OP_INSERT = 2002;
+exports.OP_QUERY = 2004;
+exports.OP_DELETE = 2006;
+exports.OP_COMPRESSED = 2012;
+exports.OP_MSG = 2013;
+//# sourceMappingURL=constants.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/wire_protocol/constants.js.map b/node_modules/mongodb/lib/cmap/wire_protocol/constants.js.map
new file mode 100644
index 000000000..8974600c4
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/wire_protocol/constants.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"constants.js","sourceRoot":"","sources":["../../../src/cmap/wire_protocol/constants.ts"],"names":[],"mappings":";;;AAAa,QAAA,4BAA4B,GAAG,KAAK,CAAC;AACrC,QAAA,4BAA4B,GAAG,KAAK,CAAC;AACrC,QAAA,0BAA0B,GAAG,CAAC,CAAC;AAC/B,QAAA,0BAA0B,GAAG,EAAE,CAAC;AAChC,QAAA,QAAQ,GAAG,CAAC,CAAC;AACb,QAAA,SAAS,GAAG,IAAI,CAAC;AACjB,QAAA,SAAS,GAAG,IAAI,CAAC;AACjB,QAAA,QAAQ,GAAG,IAAI,CAAC;AAChB,QAAA,SAAS,GAAG,IAAI,CAAC;AACjB,QAAA,aAAa,GAAG,IAAI,CAAC;AACrB,QAAA,MAAM,GAAG,IAAI,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/wire_protocol/shared.js b/node_modules/mongodb/lib/cmap/wire_protocol/shared.js
new file mode 100644
index 000000000..b5d127828
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/wire_protocol/shared.js
@@ -0,0 +1,55 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isSharded = exports.applyCommonQueryOptions = exports.getReadPreference = void 0;
+const error_1 = require("../../error");
+const read_preference_1 = require("../../read_preference");
+const common_1 = require("../../sdam/common");
+const topology_description_1 = require("../../sdam/topology_description");
+function getReadPreference(cmd, options) {
+    // Default to command version of the readPreference
+    let readPreference = cmd.readPreference || read_preference_1.ReadPreference.primary;
+    // If we have an option readPreference override the command one
+    if (options === null || options === void 0 ? void 0 : options.readPreference) {
+        readPreference = options.readPreference;
+    }
+    if (typeof readPreference === 'string') {
+        readPreference = read_preference_1.ReadPreference.fromString(readPreference);
+    }
+    if (!(readPreference instanceof read_preference_1.ReadPreference)) {
+        throw new error_1.MongoInvalidArgumentError('Option "readPreference" must be a ReadPreference instance');
+    }
+    return readPreference;
+}
+exports.getReadPreference = getReadPreference;
+function applyCommonQueryOptions(queryOptions, options) {
+    Object.assign(queryOptions, {
+        raw: typeof options.raw === 'boolean' ? options.raw : false,
+        promoteLongs: typeof options.promoteLongs === 'boolean' ? options.promoteLongs : true,
+        promoteValues: typeof options.promoteValues === 'boolean' ? options.promoteValues : true,
+        promoteBuffers: typeof options.promoteBuffers === 'boolean' ? options.promoteBuffers : false,
+        bsonRegExp: typeof options.bsonRegExp === 'boolean' ? options.bsonRegExp : false,
+        enableUtf8Validation: typeof options.enableUtf8Validation === 'boolean' ? options.enableUtf8Validation : true
+    });
+    if (options.session) {
+        queryOptions.session = options.session;
+    }
+    return queryOptions;
+}
+exports.applyCommonQueryOptions = applyCommonQueryOptions;
+function isSharded(topologyOrServer) {
+    if (topologyOrServer == null) {
+        return false;
+    }
+    if (topologyOrServer.description && topologyOrServer.description.type === common_1.ServerType.Mongos) {
+        return true;
+    }
+    // NOTE: This is incredibly inefficient, and should be removed once command construction
+    //       happens based on `Server` not `Topology`.
+    if (topologyOrServer.description && topologyOrServer.description instanceof topology_description_1.TopologyDescription) {
+        const servers = Array.from(topologyOrServer.description.servers.values());
+        return servers.some((server) => server.type === common_1.ServerType.Mongos);
+    }
+    return false;
+}
+exports.isSharded = isSharded;
+//# sourceMappingURL=shared.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cmap/wire_protocol/shared.js.map b/node_modules/mongodb/lib/cmap/wire_protocol/shared.js.map
new file mode 100644
index 000000000..2d5b2275f
--- /dev/null
+++ b/node_modules/mongodb/lib/cmap/wire_protocol/shared.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"shared.js","sourceRoot":"","sources":["../../../src/cmap/wire_protocol/shared.ts"],"names":[],"mappings":";;;AACA,uCAAwD;AAExD,2DAAuD;AACvD,8CAA+C;AAI/C,0EAAsE;AAQtE,SAAgB,iBAAiB,CAAC,GAAa,EAAE,OAA8B;IAC7E,mDAAmD;IACnD,IAAI,cAAc,GAAG,GAAG,CAAC,cAAc,IAAI,gCAAc,CAAC,OAAO,CAAC;IAClE,+DAA+D;IAC/D,IAAI,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,cAAc,EAAE;QAC3B,cAAc,GAAG,OAAO,CAAC,cAAc,CAAC;KACzC;IAED,IAAI,OAAO,cAAc,KAAK,QAAQ,EAAE;QACtC,cAAc,GAAG,gCAAc,CAAC,UAAU,CAAC,cAAc,CAAC,CAAC;KAC5D;IAED,IAAI,CAAC,CAAC,cAAc,YAAY,gCAAc,CAAC,EAAE;QAC/C,MAAM,IAAI,iCAAyB,CACjC,2DAA2D,CAC5D,CAAC;KACH;IAED,OAAO,cAAc,CAAC;AACxB,CAAC;AAnBD,8CAmBC;AAED,SAAgB,uBAAuB,CACrC,YAA4B,EAC5B,OAAuB;IAEvB,MAAM,CAAC,MAAM,CAAC,YAAY,EAAE;QAC1B,GAAG,EAAE,OAAO,OAAO,CAAC,GAAG,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,KAAK;QAC3D,YAAY,EAAE,OAAO,OAAO,CAAC,YAAY,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,YAAY,CAAC,CAAC,CAAC,IAAI;QACrF,aAAa,EAAE,OAAO,OAAO,CAAC,aAAa,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,aAAa,CAAC,CAAC,CAAC,IAAI;QACxF,cAAc,EAAE,OAAO,OAAO,CAAC,cAAc,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,cAAc,CAAC,CAAC,CAAC,KAAK;QAC5F,UAAU,EAAE,OAAO,OAAO,CAAC,UAAU,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,UAAU,CAAC,CAAC,CAAC,KAAK;QAChF,oBAAoB,EAClB,OAAO,OAAO,CAAC,oBAAoB,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,oBAAoB,CAAC,CAAC,CAAC,IAAI;KAC1F,CAAC,CAAC;IAEH,IAAI,OAAO,CAAC,OAAO,EAAE;QACnB,YAAY,CAAC,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;KACxC;IAED,OAAO,YAAY,CAAC;AACtB,CAAC;AAnBD,0DAmBC;AAED,SAAgB,SAAS,CAAC,gBAAiD;IACzE,IAAI,gBAAgB,IAAI,IAAI,EAAE;QAC5B,OAAO,KAAK,CAAC;KACd;IAED,IAAI,gBAAgB,CAAC,WAAW,IAAI,gBAAgB,CAAC,WAAW,CAAC,IAAI,KAAK,mBAAU,CAAC,MAAM,EAAE;QAC3F,OAAO,IAAI,CAAC;KACb;IAED,wFAAwF;IACxF,kDAAkD;IAClD,IAAI,gBAAgB,CAAC,WAAW,IAAI,gBAAgB,CAAC,WAAW,YAAY,0CAAmB,EAAE;QAC/F,MAAM,OAAO,GAAwB,KAAK,CAAC,IAAI,CAAC,gBAAgB,CAAC,WAAW,CAAC,OAAO,CAAC,MAAM,EAAE,CAAC,CAAC;QAC/F,OAAO,OAAO,CAAC,IAAI,CAAC,CAAC,MAAyB,EAAE,EAAE,CAAC,MAAM,CAAC,IAAI,KAAK,mBAAU,CAAC,MAAM,CAAC,CAAC;KACvF;IAED,OAAO,KAAK,CAAC;AACf,CAAC;AAjBD,8BAiBC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/collection.js b/node_modules/mongodb/lib/collection.js
new file mode 100644
index 000000000..de8e4b57b
--- /dev/null
+++ b/node_modules/mongodb/lib/collection.js
@@ -0,0 +1,535 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Collection = void 0;
+const bson_1 = require("./bson");
+const ordered_1 = require("./bulk/ordered");
+const unordered_1 = require("./bulk/unordered");
+const change_stream_1 = require("./change_stream");
+const aggregation_cursor_1 = require("./cursor/aggregation_cursor");
+const find_cursor_1 = require("./cursor/find_cursor");
+const list_indexes_cursor_1 = require("./cursor/list_indexes_cursor");
+const error_1 = require("./error");
+const bulk_write_1 = require("./operations/bulk_write");
+const count_1 = require("./operations/count");
+const count_documents_1 = require("./operations/count_documents");
+const delete_1 = require("./operations/delete");
+const distinct_1 = require("./operations/distinct");
+const drop_1 = require("./operations/drop");
+const estimated_document_count_1 = require("./operations/estimated_document_count");
+const execute_operation_1 = require("./operations/execute_operation");
+const find_and_modify_1 = require("./operations/find_and_modify");
+const indexes_1 = require("./operations/indexes");
+const insert_1 = require("./operations/insert");
+const is_capped_1 = require("./operations/is_capped");
+const map_reduce_1 = require("./operations/map_reduce");
+const options_operation_1 = require("./operations/options_operation");
+const rename_1 = require("./operations/rename");
+const stats_1 = require("./operations/stats");
+const update_1 = require("./operations/update");
+const read_concern_1 = require("./read_concern");
+const read_preference_1 = require("./read_preference");
+const utils_1 = require("./utils");
+const write_concern_1 = require("./write_concern");
+/**
+ * The **Collection** class is an internal class that embodies a MongoDB collection
+ * allowing for insert/find/update/delete and other command operation on that MongoDB collection.
+ *
+ * **COLLECTION Cannot directly be instantiated**
+ * @public
+ *
+ * @example
+ * ```ts
+ * import { MongoClient } from 'mongodb';
+ *
+ * interface Pet {
+ *   name: string;
+ *   kind: 'dog' | 'cat' | 'fish';
+ * }
+ *
+ * const client = new MongoClient('mongodb://localhost:27017');
+ * const pets = client.db().collection<Pet>('pets');
+ *
+ * const petCursor = pets.find();
+ *
+ * for await (const pet of petCursor) {
+ *   console.log(`${pet.name} is a ${pet.kind}!`);
+ * }
+ * ```
+ */
+class Collection {
+    /**
+     * Create a new Collection instance
+     * @internal
+     */
+    constructor(db, name, options) {
+        var _a, _b;
+        (0, utils_1.checkCollectionName)(name);
+        // Internal state
+        this.s = {
+            db,
+            options,
+            namespace: new utils_1.MongoDBNamespace(db.databaseName, name),
+            pkFactory: (_b = (_a = db.options) === null || _a === void 0 ? void 0 : _a.pkFactory) !== null && _b !== void 0 ? _b : utils_1.DEFAULT_PK_FACTORY,
+            readPreference: read_preference_1.ReadPreference.fromOptions(options),
+            bsonOptions: (0, bson_1.resolveBSONOptions)(options, db),
+            readConcern: read_concern_1.ReadConcern.fromOptions(options),
+            writeConcern: write_concern_1.WriteConcern.fromOptions(options)
+        };
+    }
+    /**
+     * The name of the database this collection belongs to
+     */
+    get dbName() {
+        return this.s.namespace.db;
+    }
+    /**
+     * The name of this collection
+     */
+    get collectionName() {
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        return this.s.namespace.collection;
+    }
+    /**
+     * The namespace of this collection, in the format `${this.dbName}.${this.collectionName}`
+     */
+    get namespace() {
+        return this.s.namespace.toString();
+    }
+    /**
+     * The current readConcern of the collection. If not explicitly defined for
+     * this collection, will be inherited from the parent DB
+     */
+    get readConcern() {
+        if (this.s.readConcern == null) {
+            return this.s.db.readConcern;
+        }
+        return this.s.readConcern;
+    }
+    /**
+     * The current readPreference of the collection. If not explicitly defined for
+     * this collection, will be inherited from the parent DB
+     */
+    get readPreference() {
+        if (this.s.readPreference == null) {
+            return this.s.db.readPreference;
+        }
+        return this.s.readPreference;
+    }
+    get bsonOptions() {
+        return this.s.bsonOptions;
+    }
+    /**
+     * The current writeConcern of the collection. If not explicitly defined for
+     * this collection, will be inherited from the parent DB
+     */
+    get writeConcern() {
+        if (this.s.writeConcern == null) {
+            return this.s.db.writeConcern;
+        }
+        return this.s.writeConcern;
+    }
+    /** The current index hint for the collection */
+    get hint() {
+        return this.s.collectionHint;
+    }
+    set hint(v) {
+        this.s.collectionHint = (0, utils_1.normalizeHintField)(v);
+    }
+    insertOne(doc, options, callback) {
+        if (typeof options === 'function') {
+            callback = options;
+            options = {};
+        }
+        // CSFLE passes in { w: 'majority' } to ensure the lib works in both 3.x and 4.x
+        // we support that option style here only
+        if (options && Reflect.get(options, 'w')) {
+            options.writeConcern = write_concern_1.WriteConcern.fromOptions(Reflect.get(options, 'w'));
+        }
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new insert_1.InsertOneOperation(this, doc, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    insertMany(docs, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options ? Object.assign({}, options) : { ordered: true };
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new insert_1.InsertManyOperation(this, docs, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    bulkWrite(operations, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options || { ordered: true };
+        if (!Array.isArray(operations)) {
+            throw new error_1.MongoInvalidArgumentError('Argument "operations" must be an array of documents');
+        }
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new bulk_write_1.BulkWriteOperation(this, operations, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    updateOne(filter, update, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new update_1.UpdateOneOperation(this, filter, update, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    replaceOne(filter, replacement, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new update_1.ReplaceOneOperation(this, filter, replacement, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    updateMany(filter, update, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new update_1.UpdateManyOperation(this, filter, update, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    deleteOne(filter, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new delete_1.DeleteOneOperation(this, filter, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    deleteMany(filter, options, callback) {
+        if (filter == null) {
+            filter = {};
+            options = {};
+            callback = undefined;
+        }
+        else if (typeof filter === 'function') {
+            callback = filter;
+            filter = {};
+            options = {};
+        }
+        else if (typeof options === 'function') {
+            callback = options;
+            options = {};
+        }
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new delete_1.DeleteManyOperation(this, filter, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    rename(newName, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        // Intentionally, we do not inherit options from parent for this operation.
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new rename_1.RenameOperation(this, newName, {
+            ...options,
+            readPreference: read_preference_1.ReadPreference.PRIMARY
+        }), callback);
+    }
+    drop(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new drop_1.DropCollectionOperation(this.s.db, this.collectionName, options), callback);
+    }
+    findOne(filter, options, callback) {
+        if (callback != null && typeof callback !== 'function') {
+            throw new error_1.MongoInvalidArgumentError('Third parameter to `findOne()` must be a callback or undefined');
+        }
+        if (typeof filter === 'function') {
+            callback = filter;
+            filter = {};
+            options = {};
+        }
+        if (typeof options === 'function') {
+            callback = options;
+            options = {};
+        }
+        const finalFilter = filter !== null && filter !== void 0 ? filter : {};
+        const finalOptions = options !== null && options !== void 0 ? options : {};
+        return this.find(finalFilter, finalOptions).limit(-1).batchSize(1).next(callback);
+    }
+    find(filter, options) {
+        if (arguments.length > 2) {
+            throw new error_1.MongoInvalidArgumentError('Method "collection.find()" accepts at most two arguments');
+        }
+        if (typeof options === 'function') {
+            throw new error_1.MongoInvalidArgumentError('Argument "options" must not be function');
+        }
+        return new find_cursor_1.FindCursor(this.s.db.s.client, this.s.namespace, filter, (0, utils_1.resolveOptions)(this, options));
+    }
+    options(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new options_operation_1.OptionsOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    isCapped(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new is_capped_1.IsCappedOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    createIndex(indexSpec, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.CreateIndexOperation(this, this.collectionName, indexSpec, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    createIndexes(indexSpecs, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options ? Object.assign({}, options) : {};
+        if (typeof options.maxTimeMS !== 'number')
+            delete options.maxTimeMS;
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.CreateIndexesOperation(this, this.collectionName, indexSpecs, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    dropIndex(indexName, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = (0, utils_1.resolveOptions)(this, options);
+        // Run only against primary
+        options.readPreference = read_preference_1.ReadPreference.primary;
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.DropIndexOperation(this, indexName, options), callback);
+    }
+    dropIndexes(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.DropIndexesOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    /**
+     * Get the list of all indexes information for the collection.
+     *
+     * @param options - Optional settings for the command
+     */
+    listIndexes(options) {
+        return new list_indexes_cursor_1.ListIndexesCursor(this, (0, utils_1.resolveOptions)(this, options));
+    }
+    indexExists(indexes, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.IndexExistsOperation(this, indexes, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    indexInformation(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.IndexInformationOperation(this.s.db, this.collectionName, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    estimatedDocumentCount(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new estimated_document_count_1.EstimatedDocumentCountOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    countDocuments(filter, options, callback) {
+        if (filter == null) {
+            (filter = {}), (options = {}), (callback = undefined);
+        }
+        else if (typeof filter === 'function') {
+            (callback = filter), (filter = {}), (options = {});
+        }
+        else {
+            if (arguments.length === 2) {
+                if (typeof options === 'function')
+                    (callback = options), (options = {});
+            }
+        }
+        filter !== null && filter !== void 0 ? filter : (filter = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new count_documents_1.CountDocumentsOperation(this, filter, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    // Implementation
+    distinct(key, filter, options, callback) {
+        if (typeof filter === 'function') {
+            (callback = filter), (filter = {}), (options = {});
+        }
+        else {
+            if (arguments.length === 3 && typeof options === 'function') {
+                (callback = options), (options = {});
+            }
+        }
+        filter !== null && filter !== void 0 ? filter : (filter = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new distinct_1.DistinctOperation(this, key, filter, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    indexes(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.IndexesOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    stats(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new stats_1.CollStatsOperation(this, options), callback);
+    }
+    findOneAndDelete(filter, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new find_and_modify_1.FindOneAndDeleteOperation(this, filter, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    findOneAndReplace(filter, replacement, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new find_and_modify_1.FindOneAndReplaceOperation(this, filter, replacement, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    findOneAndUpdate(filter, update, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new find_and_modify_1.FindOneAndUpdateOperation(this, filter, update, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    /**
+     * Execute an aggregation framework pipeline against the collection, needs MongoDB \>= 2.2
+     *
+     * @param pipeline - An array of aggregation pipelines to execute
+     * @param options - Optional settings for the command
+     */
+    aggregate(pipeline = [], options) {
+        if (arguments.length > 2) {
+            throw new error_1.MongoInvalidArgumentError('Method "collection.aggregate()" accepts at most two arguments');
+        }
+        if (!Array.isArray(pipeline)) {
+            throw new error_1.MongoInvalidArgumentError('Argument "pipeline" must be an array of aggregation stages');
+        }
+        if (typeof options === 'function') {
+            throw new error_1.MongoInvalidArgumentError('Argument "options" must not be function');
+        }
+        return new aggregation_cursor_1.AggregationCursor(this.s.db.s.client, this.s.namespace, pipeline, (0, utils_1.resolveOptions)(this, options));
+    }
+    /**
+     * Create a new Change Stream, watching for new changes (insertions, updates, replacements, deletions, and invalidations) in this collection.
+     *
+     * @remarks
+     * watch() accepts two generic arguments for distinct usecases:
+     * - The first is to override the schema that may be defined for this specific collection
+     * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+     * @example
+     * By just providing the first argument I can type the change to be `ChangeStreamDocument<{ _id: number }>`
+     * ```ts
+     * collection.watch<{ _id: number }>()
+     *   .on('change', change => console.log(change._id.toFixed(4)));
+     * ```
+     *
+     * @example
+     * Passing a second argument provides a way to reflect the type changes caused by an advanced pipeline.
+     * Here, we are using a pipeline to have MongoDB filter for insert changes only and add a comment.
+     * No need start from scratch on the ChangeStreamInsertDocument type!
+     * By using an intersection we can save time and ensure defaults remain the same type!
+     * ```ts
+     * collection
+     *   .watch<Schema, ChangeStreamInsertDocument<Schema> & { comment: string }>([
+     *     { $addFields: { comment: 'big changes' } },
+     *     { $match: { operationType: 'insert' } }
+     *   ])
+     *   .on('change', change => {
+     *     change.comment.startsWith('big');
+     *     change.operationType === 'insert';
+     *     // No need to narrow in code because the generics did that for us!
+     *     expectType<Schema>(change.fullDocument);
+     *   });
+     * ```
+     *
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+     * @param options - Optional settings for the command
+     * @typeParam TLocal - Type of the data being detected by the change stream
+     * @typeParam TChange - Type of the whole change stream document emitted
+     */
+    watch(pipeline = [], options = {}) {
+        // Allow optionally not specifying a pipeline
+        if (!Array.isArray(pipeline)) {
+            options = pipeline;
+            pipeline = [];
+        }
+        return new change_stream_1.ChangeStream(this, pipeline, (0, utils_1.resolveOptions)(this, options));
+    }
+    mapReduce(map, reduce, options, callback) {
+        (0, utils_1.emitWarningOnce)('collection.mapReduce is deprecated. Use the aggregation pipeline instead. Visit https://docs.mongodb.com/manual/reference/map-reduce-to-aggregation-pipeline for more information on how to translate map-reduce operations to the aggregation pipeline.');
+        if ('function' === typeof options)
+            (callback = options), (options = {});
+        // Out must always be defined (make sure we don't break weirdly on pre 1.8+ servers)
+        // TODO NODE-3339: Figure out if this is still necessary given we no longer officially support pre-1.8
+        if ((options === null || options === void 0 ? void 0 : options.out) == null) {
+            throw new error_1.MongoInvalidArgumentError('Option "out" must be defined, see mongodb docs for possible values');
+        }
+        if ('function' === typeof map) {
+            map = map.toString();
+        }
+        if ('function' === typeof reduce) {
+            reduce = reduce.toString();
+        }
+        if ('function' === typeof options.finalize) {
+            options.finalize = options.finalize.toString();
+        }
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new map_reduce_1.MapReduceOperation(this, map, reduce, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    /**
+     * Initiate an Out of order batch write operation. All operations will be buffered into insert/update/remove commands executed out of order.
+     *
+     * @throws MongoNotConnectedError
+     * @remarks
+     * **NOTE:** MongoClient must be connected prior to calling this method due to a known limitation in this legacy implemenation.
+     * However, `collection.bulkWrite()` provides an equivalent API that does not require prior connecting.
+     */
+    initializeUnorderedBulkOp(options) {
+        return new unordered_1.UnorderedBulkOperation(this, (0, utils_1.resolveOptions)(this, options));
+    }
+    /**
+     * Initiate an In order bulk write operation. Operations will be serially executed in the order they are added, creating a new operation for each switch in types.
+     *
+     * @throws MongoNotConnectedError
+     * @remarks
+     * **NOTE:** MongoClient must be connected prior to calling this method due to a known limitation in this legacy implemenation.
+     * However, `collection.bulkWrite()` provides an equivalent API that does not require prior connecting.
+     */
+    initializeOrderedBulkOp(options) {
+        return new ordered_1.OrderedBulkOperation(this, (0, utils_1.resolveOptions)(this, options));
+    }
+    /** Get the db scoped logger */
+    getLogger() {
+        return this.s.db.s.logger;
+    }
+    get logger() {
+        return this.s.db.s.logger;
+    }
+    /**
+     * Inserts a single document or a an array of documents into MongoDB. If documents passed in do not contain the **_id** field,
+     * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+     * can be overridden by setting the **forceServerObjectId** flag.
+     *
+     * @deprecated Use insertOne, insertMany or bulkWrite instead. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance
+     * @param docs - The documents to insert
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    insert(docs, options, callback) {
+        (0, utils_1.emitWarningOnce)('collection.insert is deprecated. Use insertOne, insertMany or bulkWrite instead.');
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options || { ordered: false };
+        docs = !Array.isArray(docs) ? [docs] : docs;
+        if (options.keepGoing === true) {
+            options.ordered = false;
+        }
+        return this.insertMany(docs, options, callback);
+    }
+    /**
+     * Updates documents.
+     *
+     * @deprecated use updateOne, updateMany or bulkWrite. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance
+     * @param filter - The filter for the update operation.
+     * @param update - The update operations to be applied to the documents
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    update(filter, update, options, callback) {
+        (0, utils_1.emitWarningOnce)('collection.update is deprecated. Use updateOne, updateMany, or bulkWrite instead.');
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.updateMany(filter, update, options, callback);
+    }
+    /**
+     * Remove documents.
+     *
+     * @deprecated use deleteOne, deleteMany or bulkWrite. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance
+     * @param filter - The filter for the remove operation.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    remove(filter, options, callback) {
+        (0, utils_1.emitWarningOnce)('collection.remove is deprecated. Use deleteOne, deleteMany, or bulkWrite instead.');
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.deleteMany(filter, options, callback);
+    }
+    count(filter, options, callback) {
+        if (typeof filter === 'function') {
+            (callback = filter), (filter = {}), (options = {});
+        }
+        else {
+            if (typeof options === 'function')
+                (callback = options), (options = {});
+        }
+        filter !== null && filter !== void 0 ? filter : (filter = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new count_1.CountOperation(utils_1.MongoDBNamespace.fromString(this.namespace), filter, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+}
+exports.Collection = Collection;
+//# sourceMappingURL=collection.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/collection.js.map b/node_modules/mongodb/lib/collection.js.map
new file mode 100644
index 000000000..27de05035
--- /dev/null
+++ b/node_modules/mongodb/lib/collection.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/connection_string.js b/node_modules/mongodb/lib/connection_string.js
new file mode 100644
index 000000000..a02b7483b
--- /dev/null
+++ b/node_modules/mongodb/lib/connection_string.js
@@ -0,0 +1,1098 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.FEATURE_FLAGS = exports.DEFAULT_OPTIONS = exports.OPTIONS = exports.parseOptions = exports.checkTLSOptions = exports.resolveSRVRecord = void 0;
+const dns = require("dns");
+const fs = require("fs");
+const mongodb_connection_string_url_1 = require("mongodb-connection-string-url");
+const url_1 = require("url");
+const mongo_credentials_1 = require("./cmap/auth/mongo_credentials");
+const providers_1 = require("./cmap/auth/providers");
+const compression_1 = require("./cmap/wire_protocol/compression");
+const encrypter_1 = require("./encrypter");
+const error_1 = require("./error");
+const logger_1 = require("./logger");
+const mongo_client_1 = require("./mongo_client");
+const promise_provider_1 = require("./promise_provider");
+const read_concern_1 = require("./read_concern");
+const read_preference_1 = require("./read_preference");
+const utils_1 = require("./utils");
+const write_concern_1 = require("./write_concern");
+const VALID_TXT_RECORDS = ['authSource', 'replicaSet', 'loadBalanced'];
+const LB_SINGLE_HOST_ERROR = 'loadBalanced option only supported with a single host in the URI';
+const LB_REPLICA_SET_ERROR = 'loadBalanced option not supported with a replicaSet option';
+const LB_DIRECT_CONNECTION_ERROR = 'loadBalanced option not supported when directConnection is provided';
+/**
+ * Determines whether a provided address matches the provided parent domain in order
+ * to avoid certain attack vectors.
+ *
+ * @param srvAddress - The address to check against a domain
+ * @param parentDomain - The domain to check the provided address against
+ * @returns Whether the provided address matches the parent domain
+ */
+function matchesParentDomain(srvAddress, parentDomain) {
+    const regex = /^.*?\./;
+    const srv = `.${srvAddress.replace(regex, '')}`;
+    const parent = `.${parentDomain.replace(regex, '')}`;
+    return srv.endsWith(parent);
+}
+/**
+ * Lookup a `mongodb+srv` connection string, combine the parts and reparse it as a normal
+ * connection string.
+ *
+ * @param uri - The connection string to parse
+ * @param options - Optional user provided connection string options
+ */
+function resolveSRVRecord(options, callback) {
+    if (typeof options.srvHost !== 'string') {
+        return callback(new error_1.MongoAPIError('Option "srvHost" must not be empty'));
+    }
+    if (options.srvHost.split('.').length < 3) {
+        // TODO(NODE-3484): Replace with MongoConnectionStringError
+        return callback(new error_1.MongoAPIError('URI must include hostname, domain name, and tld'));
+    }
+    // Resolve the SRV record and use the result as the list of hosts to connect to.
+    const lookupAddress = options.srvHost;
+    dns.resolveSrv(`_${options.srvServiceName}._tcp.${lookupAddress}`, (err, addresses) => {
+        if (err)
+            return callback(err);
+        if (addresses.length === 0) {
+            return callback(new error_1.MongoAPIError('No addresses found at host'));
+        }
+        for (const { name } of addresses) {
+            if (!matchesParentDomain(name, lookupAddress)) {
+                return callback(new error_1.MongoAPIError('Server record does not share hostname with parent URI'));
+            }
+        }
+        const hostAddresses = addresses.map(r => { var _a; return utils_1.HostAddress.fromString(`${r.name}:${(_a = r.port) !== null && _a !== void 0 ? _a : 27017}`); });
+        const lbError = validateLoadBalancedOptions(hostAddresses, options, true);
+        if (lbError) {
+            return callback(lbError);
+        }
+        // Resolve TXT record and add options from there if they exist.
+        dns.resolveTxt(lookupAddress, (err, record) => {
+            var _a, _b, _c;
+            if (err) {
+                if (err.code !== 'ENODATA' && err.code !== 'ENOTFOUND') {
+                    return callback(err);
+                }
+            }
+            else {
+                if (record.length > 1) {
+                    return callback(new error_1.MongoParseError('Multiple text records not allowed'));
+                }
+                const txtRecordOptions = new url_1.URLSearchParams(record[0].join(''));
+                const txtRecordOptionKeys = [...txtRecordOptions.keys()];
+                if (txtRecordOptionKeys.some(key => !VALID_TXT_RECORDS.includes(key))) {
+                    return callback(new error_1.MongoParseError(`Text record may only set any of: ${VALID_TXT_RECORDS.join(', ')}`));
+                }
+                if (VALID_TXT_RECORDS.some(option => txtRecordOptions.get(option) === '')) {
+                    return callback(new error_1.MongoParseError('Cannot have empty URI params in DNS TXT Record'));
+                }
+                const source = (_a = txtRecordOptions.get('authSource')) !== null && _a !== void 0 ? _a : undefined;
+                const replicaSet = (_b = txtRecordOptions.get('replicaSet')) !== null && _b !== void 0 ? _b : undefined;
+                const loadBalanced = (_c = txtRecordOptions.get('loadBalanced')) !== null && _c !== void 0 ? _c : undefined;
+                if (!options.userSpecifiedAuthSource &&
+                    source &&
+                    options.credentials &&
+                    !providers_1.AUTH_MECHS_AUTH_SRC_EXTERNAL.has(options.credentials.mechanism)) {
+                    options.credentials = mongo_credentials_1.MongoCredentials.merge(options.credentials, { source });
+                }
+                if (!options.userSpecifiedReplicaSet && replicaSet) {
+                    options.replicaSet = replicaSet;
+                }
+                if (loadBalanced === 'true') {
+                    options.loadBalanced = true;
+                }
+                if (options.replicaSet && options.srvMaxHosts > 0) {
+                    return callback(new error_1.MongoParseError('Cannot combine replicaSet option with srvMaxHosts'));
+                }
+                const lbError = validateLoadBalancedOptions(hostAddresses, options, true);
+                if (lbError) {
+                    return callback(lbError);
+                }
+            }
+            callback(undefined, hostAddresses);
+        });
+    });
+}
+exports.resolveSRVRecord = resolveSRVRecord;
+/**
+ * Checks if TLS options are valid
+ *
+ * @param options - The options used for options parsing
+ * @throws MongoParseError if TLS options are invalid
+ */
+function checkTLSOptions(options) {
+    if (!options)
+        return;
+    const check = (a, b) => {
+        if (Reflect.has(options, a) && Reflect.has(options, b)) {
+            throw new error_1.MongoParseError(`The '${a}' option cannot be used with '${b}'`);
+        }
+    };
+    check('tlsInsecure', 'tlsAllowInvalidCertificates');
+    check('tlsInsecure', 'tlsAllowInvalidHostnames');
+    check('tlsInsecure', 'tlsDisableCertificateRevocationCheck');
+    check('tlsInsecure', 'tlsDisableOCSPEndpointCheck');
+    check('tlsAllowInvalidCertificates', 'tlsDisableCertificateRevocationCheck');
+    check('tlsAllowInvalidCertificates', 'tlsDisableOCSPEndpointCheck');
+    check('tlsDisableCertificateRevocationCheck', 'tlsDisableOCSPEndpointCheck');
+}
+exports.checkTLSOptions = checkTLSOptions;
+const TRUTHS = new Set(['true', 't', '1', 'y', 'yes']);
+const FALSEHOODS = new Set(['false', 'f', '0', 'n', 'no', '-1']);
+function getBoolean(name, value) {
+    if (typeof value === 'boolean')
+        return value;
+    const valueString = String(value).toLowerCase();
+    if (TRUTHS.has(valueString)) {
+        if (valueString !== 'true') {
+            (0, utils_1.emitWarningOnce)(`deprecated value for ${name} : ${valueString} - please update to ${name} : true instead`);
+        }
+        return true;
+    }
+    if (FALSEHOODS.has(valueString)) {
+        if (valueString !== 'false') {
+            (0, utils_1.emitWarningOnce)(`deprecated value for ${name} : ${valueString} - please update to ${name} : false instead`);
+        }
+        return false;
+    }
+    throw new error_1.MongoParseError(`Expected ${name} to be stringified boolean value, got: ${value}`);
+}
+function getInt(name, value) {
+    if (typeof value === 'number')
+        return Math.trunc(value);
+    const parsedValue = Number.parseInt(String(value), 10);
+    if (!Number.isNaN(parsedValue))
+        return parsedValue;
+    throw new error_1.MongoParseError(`Expected ${name} to be stringified int value, got: ${value}`);
+}
+function getUint(name, value) {
+    const parsedValue = getInt(name, value);
+    if (parsedValue < 0) {
+        throw new error_1.MongoParseError(`${name} can only be a positive int value, got: ${value}`);
+    }
+    return parsedValue;
+}
+function* entriesFromString(value) {
+    const keyValuePairs = value.split(',');
+    for (const keyValue of keyValuePairs) {
+        const [key, value] = keyValue.split(':');
+        if (value == null) {
+            throw new error_1.MongoParseError('Cannot have undefined values in key value pairs');
+        }
+        yield [key, value];
+    }
+}
+class CaseInsensitiveMap extends Map {
+    constructor(entries = []) {
+        super(entries.map(([k, v]) => [k.toLowerCase(), v]));
+    }
+    has(k) {
+        return super.has(k.toLowerCase());
+    }
+    get(k) {
+        return super.get(k.toLowerCase());
+    }
+    set(k, v) {
+        return super.set(k.toLowerCase(), v);
+    }
+    delete(k) {
+        return super.delete(k.toLowerCase());
+    }
+}
+function parseOptions(uri, mongoClient = undefined, options = {}) {
+    if (mongoClient != null && !(mongoClient instanceof mongo_client_1.MongoClient)) {
+        options = mongoClient;
+        mongoClient = undefined;
+    }
+    const url = new mongodb_connection_string_url_1.default(uri);
+    const { hosts, isSRV } = url;
+    const mongoOptions = Object.create(null);
+    // Feature flags
+    for (const flag of Object.getOwnPropertySymbols(options)) {
+        if (exports.FEATURE_FLAGS.has(flag)) {
+            mongoOptions[flag] = options[flag];
+        }
+    }
+    mongoOptions.hosts = isSRV ? [] : hosts.map(utils_1.HostAddress.fromString);
+    const urlOptions = new CaseInsensitiveMap();
+    if (url.pathname !== '/' && url.pathname !== '') {
+        const dbName = decodeURIComponent(url.pathname[0] === '/' ? url.pathname.slice(1) : url.pathname);
+        if (dbName) {
+            urlOptions.set('dbName', [dbName]);
+        }
+    }
+    if (url.username !== '') {
+        const auth = {
+            username: decodeURIComponent(url.username)
+        };
+        if (typeof url.password === 'string') {
+            auth.password = decodeURIComponent(url.password);
+        }
+        urlOptions.set('auth', [auth]);
+    }
+    for (const key of url.searchParams.keys()) {
+        const values = [...url.searchParams.getAll(key)];
+        if (values.includes('')) {
+            throw new error_1.MongoAPIError('URI cannot contain options with no value');
+        }
+        if (!urlOptions.has(key)) {
+            urlOptions.set(key, values);
+        }
+    }
+    const objectOptions = new CaseInsensitiveMap(Object.entries(options).filter(([, v]) => v != null));
+    // Validate options that can only be provided by one of uri or object
+    if (urlOptions.has('serverApi')) {
+        throw new error_1.MongoParseError('URI cannot contain `serverApi`, it can only be passed to the client');
+    }
+    if (objectOptions.has('loadBalanced')) {
+        throw new error_1.MongoParseError('loadBalanced is only a valid option in the URI');
+    }
+    // All option collection
+    const allOptions = new CaseInsensitiveMap();
+    const allKeys = new Set([
+        ...urlOptions.keys(),
+        ...objectOptions.keys(),
+        ...exports.DEFAULT_OPTIONS.keys()
+    ]);
+    for (const key of allKeys) {
+        const values = [];
+        const objectOptionValue = objectOptions.get(key);
+        if (objectOptionValue != null) {
+            values.push(objectOptionValue);
+        }
+        const urlValue = urlOptions.get(key);
+        if (urlValue != null) {
+            values.push(...urlValue);
+        }
+        const defaultOptionsValue = exports.DEFAULT_OPTIONS.get(key);
+        if (defaultOptionsValue != null) {
+            values.push(defaultOptionsValue);
+        }
+        allOptions.set(key, values);
+    }
+    if (allOptions.has('tlsCertificateKeyFile') && !allOptions.has('tlsCertificateFile')) {
+        allOptions.set('tlsCertificateFile', allOptions.get('tlsCertificateKeyFile'));
+    }
+    if (allOptions.has('tls') || allOptions.has('ssl')) {
+        const tlsAndSslOpts = (allOptions.get('tls') || [])
+            .concat(allOptions.get('ssl') || [])
+            .map(getBoolean.bind(null, 'tls/ssl'));
+        if (new Set(tlsAndSslOpts).size !== 1) {
+            throw new error_1.MongoParseError('All values of tls/ssl must be the same.');
+        }
+    }
+    const unsupportedOptions = (0, utils_1.setDifference)(allKeys, Array.from(Object.keys(exports.OPTIONS)).map(s => s.toLowerCase()));
+    if (unsupportedOptions.size !== 0) {
+        const optionWord = unsupportedOptions.size > 1 ? 'options' : 'option';
+        const isOrAre = unsupportedOptions.size > 1 ? 'are' : 'is';
+        throw new error_1.MongoParseError(`${optionWord} ${Array.from(unsupportedOptions).join(', ')} ${isOrAre} not supported`);
+    }
+    // Option parsing and setting
+    for (const [key, descriptor] of Object.entries(exports.OPTIONS)) {
+        const values = allOptions.get(key);
+        if (!values || values.length === 0)
+            continue;
+        setOption(mongoOptions, key, descriptor, values);
+    }
+    if (mongoOptions.credentials) {
+        const isGssapi = mongoOptions.credentials.mechanism === providers_1.AuthMechanism.MONGODB_GSSAPI;
+        const isX509 = mongoOptions.credentials.mechanism === providers_1.AuthMechanism.MONGODB_X509;
+        const isAws = mongoOptions.credentials.mechanism === providers_1.AuthMechanism.MONGODB_AWS;
+        if ((isGssapi || isX509) &&
+            allOptions.has('authSource') &&
+            mongoOptions.credentials.source !== '$external') {
+            // If authSource was explicitly given and its incorrect, we error
+            throw new error_1.MongoParseError(`${mongoOptions.credentials} can only have authSource set to '$external'`);
+        }
+        if (!(isGssapi || isX509 || isAws) && mongoOptions.dbName && !allOptions.has('authSource')) {
+            // inherit the dbName unless GSSAPI or X509, then silently ignore dbName
+            // and there was no specific authSource given
+            mongoOptions.credentials = mongo_credentials_1.MongoCredentials.merge(mongoOptions.credentials, {
+                source: mongoOptions.dbName
+            });
+        }
+        if (isAws && mongoOptions.credentials.username && !mongoOptions.credentials.password) {
+            throw new error_1.MongoMissingCredentialsError(`When using ${mongoOptions.credentials.mechanism} password must be set when a username is specified`);
+        }
+        mongoOptions.credentials.validate();
+        // Check if the only auth related option provided was authSource, if so we can remove credentials
+        if (mongoOptions.credentials.password === '' &&
+            mongoOptions.credentials.username === '' &&
+            mongoOptions.credentials.mechanism === providers_1.AuthMechanism.MONGODB_DEFAULT &&
+            Object.keys(mongoOptions.credentials.mechanismProperties).length === 0) {
+            delete mongoOptions.credentials;
+        }
+    }
+    if (!mongoOptions.dbName) {
+        // dbName default is applied here because of the credential validation above
+        mongoOptions.dbName = 'test';
+    }
+    checkTLSOptions(mongoOptions);
+    if (options.promiseLibrary) {
+        promise_provider_1.PromiseProvider.set(options.promiseLibrary);
+    }
+    const lbError = validateLoadBalancedOptions(hosts, mongoOptions, isSRV);
+    if (lbError) {
+        throw lbError;
+    }
+    if (mongoClient && mongoOptions.autoEncryption) {
+        encrypter_1.Encrypter.checkForMongoCrypt();
+        mongoOptions.encrypter = new encrypter_1.Encrypter(mongoClient, uri, options);
+        mongoOptions.autoEncrypter = mongoOptions.encrypter.autoEncrypter;
+    }
+    // Potential SRV Overrides and SRV connection string validations
+    mongoOptions.userSpecifiedAuthSource =
+        objectOptions.has('authSource') || urlOptions.has('authSource');
+    mongoOptions.userSpecifiedReplicaSet =
+        objectOptions.has('replicaSet') || urlOptions.has('replicaSet');
+    if (isSRV) {
+        // SRV Record is resolved upon connecting
+        mongoOptions.srvHost = hosts[0];
+        if (mongoOptions.directConnection) {
+            throw new error_1.MongoAPIError('SRV URI does not support directConnection');
+        }
+        if (mongoOptions.srvMaxHosts > 0 && typeof mongoOptions.replicaSet === 'string') {
+            throw new error_1.MongoParseError('Cannot use srvMaxHosts option with replicaSet');
+        }
+        // SRV turns on TLS by default, but users can override and turn it off
+        const noUserSpecifiedTLS = !objectOptions.has('tls') && !urlOptions.has('tls');
+        const noUserSpecifiedSSL = !objectOptions.has('ssl') && !urlOptions.has('ssl');
+        if (noUserSpecifiedTLS && noUserSpecifiedSSL) {
+            mongoOptions.tls = true;
+        }
+    }
+    else {
+        const userSpecifiedSrvOptions = urlOptions.has('srvMaxHosts') ||
+            objectOptions.has('srvMaxHosts') ||
+            urlOptions.has('srvServiceName') ||
+            objectOptions.has('srvServiceName');
+        if (userSpecifiedSrvOptions) {
+            throw new error_1.MongoParseError('Cannot use srvMaxHosts or srvServiceName with a non-srv connection string');
+        }
+    }
+    if (mongoOptions.directConnection && mongoOptions.hosts.length !== 1) {
+        throw new error_1.MongoParseError('directConnection option requires exactly one host');
+    }
+    if (!mongoOptions.proxyHost &&
+        (mongoOptions.proxyPort || mongoOptions.proxyUsername || mongoOptions.proxyPassword)) {
+        throw new error_1.MongoParseError('Must specify proxyHost if other proxy options are passed');
+    }
+    if ((mongoOptions.proxyUsername && !mongoOptions.proxyPassword) ||
+        (!mongoOptions.proxyUsername && mongoOptions.proxyPassword)) {
+        throw new error_1.MongoParseError('Can only specify both of proxy username/password or neither');
+    }
+    const proxyOptions = ['proxyHost', 'proxyPort', 'proxyUsername', 'proxyPassword'].map(key => { var _a; return (_a = urlOptions.get(key)) !== null && _a !== void 0 ? _a : []; });
+    if (proxyOptions.some(options => options.length > 1)) {
+        throw new error_1.MongoParseError('Proxy options cannot be specified multiple times in the connection string');
+    }
+    return mongoOptions;
+}
+exports.parseOptions = parseOptions;
+function validateLoadBalancedOptions(hosts, mongoOptions, isSrv) {
+    if (mongoOptions.loadBalanced) {
+        if (hosts.length > 1) {
+            return new error_1.MongoParseError(LB_SINGLE_HOST_ERROR);
+        }
+        if (mongoOptions.replicaSet) {
+            return new error_1.MongoParseError(LB_REPLICA_SET_ERROR);
+        }
+        if (mongoOptions.directConnection) {
+            return new error_1.MongoParseError(LB_DIRECT_CONNECTION_ERROR);
+        }
+        if (isSrv && mongoOptions.srvMaxHosts > 0) {
+            return new error_1.MongoParseError('Cannot limit srv hosts with loadBalanced enabled');
+        }
+    }
+    return;
+}
+function setOption(mongoOptions, key, descriptor, values) {
+    const { target, type, transform, deprecated } = descriptor;
+    const name = target !== null && target !== void 0 ? target : key;
+    if (deprecated) {
+        const deprecatedMsg = typeof deprecated === 'string' ? `: ${deprecated}` : '';
+        (0, utils_1.emitWarning)(`${key} is a deprecated option${deprecatedMsg}`);
+    }
+    switch (type) {
+        case 'boolean':
+            mongoOptions[name] = getBoolean(name, values[0]);
+            break;
+        case 'int':
+            mongoOptions[name] = getInt(name, values[0]);
+            break;
+        case 'uint':
+            mongoOptions[name] = getUint(name, values[0]);
+            break;
+        case 'string':
+            if (values[0] == null) {
+                break;
+            }
+            mongoOptions[name] = String(values[0]);
+            break;
+        case 'record':
+            if (!(0, utils_1.isRecord)(values[0])) {
+                throw new error_1.MongoParseError(`${name} must be an object`);
+            }
+            mongoOptions[name] = values[0];
+            break;
+        case 'any':
+            mongoOptions[name] = values[0];
+            break;
+        default: {
+            if (!transform) {
+                throw new error_1.MongoParseError('Descriptors missing a type must define a transform');
+            }
+            const transformValue = transform({ name, options: mongoOptions, values });
+            mongoOptions[name] = transformValue;
+            break;
+        }
+    }
+}
+exports.OPTIONS = {
+    appName: {
+        target: 'metadata',
+        transform({ options, values: [value] }) {
+            return (0, utils_1.makeClientMetadata)({ ...options.driverInfo, appName: String(value) });
+        }
+    },
+    auth: {
+        target: 'credentials',
+        transform({ name, options, values: [value] }) {
+            if (!(0, utils_1.isRecord)(value, ['username', 'password'])) {
+                throw new error_1.MongoParseError(`${name} must be an object with 'username' and 'password' properties`);
+            }
+            return mongo_credentials_1.MongoCredentials.merge(options.credentials, {
+                username: value.username,
+                password: value.password
+            });
+        }
+    },
+    authMechanism: {
+        target: 'credentials',
+        transform({ options, values: [value] }) {
+            var _a, _b;
+            const mechanisms = Object.values(providers_1.AuthMechanism);
+            const [mechanism] = mechanisms.filter(m => m.match(RegExp(String.raw `\b${value}\b`, 'i')));
+            if (!mechanism) {
+                throw new error_1.MongoParseError(`authMechanism one of ${mechanisms}, got ${value}`);
+            }
+            let source = (_a = options.credentials) === null || _a === void 0 ? void 0 : _a.source;
+            if (mechanism === providers_1.AuthMechanism.MONGODB_PLAIN ||
+                providers_1.AUTH_MECHS_AUTH_SRC_EXTERNAL.has(mechanism)) {
+                // some mechanisms have '$external' as the Auth Source
+                source = '$external';
+            }
+            let password = (_b = options.credentials) === null || _b === void 0 ? void 0 : _b.password;
+            if (mechanism === providers_1.AuthMechanism.MONGODB_X509 && password === '') {
+                password = undefined;
+            }
+            return mongo_credentials_1.MongoCredentials.merge(options.credentials, {
+                mechanism,
+                source,
+                password
+            });
+        }
+    },
+    authMechanismProperties: {
+        target: 'credentials',
+        transform({ options, values: [optionValue] }) {
+            if (typeof optionValue === 'string') {
+                const mechanismProperties = Object.create(null);
+                for (const [key, value] of entriesFromString(optionValue)) {
+                    try {
+                        mechanismProperties[key] = getBoolean(key, value);
+                    }
+                    catch {
+                        mechanismProperties[key] = value;
+                    }
+                }
+                return mongo_credentials_1.MongoCredentials.merge(options.credentials, {
+                    mechanismProperties
+                });
+            }
+            if (!(0, utils_1.isRecord)(optionValue)) {
+                throw new error_1.MongoParseError('AuthMechanismProperties must be an object');
+            }
+            return mongo_credentials_1.MongoCredentials.merge(options.credentials, { mechanismProperties: optionValue });
+        }
+    },
+    authSource: {
+        target: 'credentials',
+        transform({ options, values: [value] }) {
+            const source = String(value);
+            return mongo_credentials_1.MongoCredentials.merge(options.credentials, { source });
+        }
+    },
+    autoEncryption: {
+        type: 'record'
+    },
+    bsonRegExp: {
+        type: 'boolean'
+    },
+    serverApi: {
+        target: 'serverApi',
+        transform({ values: [version] }) {
+            const serverApiToValidate = typeof version === 'string' ? { version } : version;
+            const versionToValidate = serverApiToValidate && serverApiToValidate.version;
+            if (!versionToValidate) {
+                throw new error_1.MongoParseError(`Invalid \`serverApi\` property; must specify a version from the following enum: ["${Object.values(mongo_client_1.ServerApiVersion).join('", "')}"]`);
+            }
+            if (!Object.values(mongo_client_1.ServerApiVersion).some(v => v === versionToValidate)) {
+                throw new error_1.MongoParseError(`Invalid server API version=${versionToValidate}; must be in the following enum: ["${Object.values(mongo_client_1.ServerApiVersion).join('", "')}"]`);
+            }
+            return serverApiToValidate;
+        }
+    },
+    checkKeys: {
+        type: 'boolean'
+    },
+    compressors: {
+        default: 'none',
+        target: 'compressors',
+        transform({ values }) {
+            const compressionList = new Set();
+            for (const compVal of values) {
+                const compValArray = typeof compVal === 'string' ? compVal.split(',') : compVal;
+                if (!Array.isArray(compValArray)) {
+                    throw new error_1.MongoInvalidArgumentError('compressors must be an array or a comma-delimited list of strings');
+                }
+                for (const c of compValArray) {
+                    if (Object.keys(compression_1.Compressor).includes(String(c))) {
+                        compressionList.add(String(c));
+                    }
+                    else {
+                        throw new error_1.MongoInvalidArgumentError(`${c} is not a valid compression mechanism. Must be one of: ${Object.keys(compression_1.Compressor)}.`);
+                    }
+                }
+            }
+            return [...compressionList];
+        }
+    },
+    connectTimeoutMS: {
+        default: 30000,
+        type: 'uint'
+    },
+    dbName: {
+        type: 'string'
+    },
+    directConnection: {
+        default: false,
+        type: 'boolean'
+    },
+    driverInfo: {
+        target: 'metadata',
+        default: (0, utils_1.makeClientMetadata)(),
+        transform({ options, values: [value] }) {
+            var _a, _b;
+            if (!(0, utils_1.isRecord)(value))
+                throw new error_1.MongoParseError('DriverInfo must be an object');
+            return (0, utils_1.makeClientMetadata)({
+                driverInfo: value,
+                appName: (_b = (_a = options.metadata) === null || _a === void 0 ? void 0 : _a.application) === null || _b === void 0 ? void 0 : _b.name
+            });
+        }
+    },
+    enableUtf8Validation: { type: 'boolean', default: true },
+    family: {
+        transform({ name, values: [value] }) {
+            const transformValue = getInt(name, value);
+            if (transformValue === 4 || transformValue === 6) {
+                return transformValue;
+            }
+            throw new error_1.MongoParseError(`Option 'family' must be 4 or 6 got ${transformValue}.`);
+        }
+    },
+    fieldsAsRaw: {
+        type: 'record'
+    },
+    forceServerObjectId: {
+        default: false,
+        type: 'boolean'
+    },
+    fsync: {
+        deprecated: 'Please use journal instead',
+        target: 'writeConcern',
+        transform({ name, options, values: [value] }) {
+            const wc = write_concern_1.WriteConcern.fromOptions({
+                writeConcern: {
+                    ...options.writeConcern,
+                    fsync: getBoolean(name, value)
+                }
+            });
+            if (!wc)
+                throw new error_1.MongoParseError(`Unable to make a writeConcern from fsync=${value}`);
+            return wc;
+        }
+    },
+    heartbeatFrequencyMS: {
+        default: 10000,
+        type: 'uint'
+    },
+    ignoreUndefined: {
+        type: 'boolean'
+    },
+    j: {
+        deprecated: 'Please use journal instead',
+        target: 'writeConcern',
+        transform({ name, options, values: [value] }) {
+            const wc = write_concern_1.WriteConcern.fromOptions({
+                writeConcern: {
+                    ...options.writeConcern,
+                    journal: getBoolean(name, value)
+                }
+            });
+            if (!wc)
+                throw new error_1.MongoParseError(`Unable to make a writeConcern from journal=${value}`);
+            return wc;
+        }
+    },
+    journal: {
+        target: 'writeConcern',
+        transform({ name, options, values: [value] }) {
+            const wc = write_concern_1.WriteConcern.fromOptions({
+                writeConcern: {
+                    ...options.writeConcern,
+                    journal: getBoolean(name, value)
+                }
+            });
+            if (!wc)
+                throw new error_1.MongoParseError(`Unable to make a writeConcern from journal=${value}`);
+            return wc;
+        }
+    },
+    keepAlive: {
+        default: true,
+        type: 'boolean'
+    },
+    keepAliveInitialDelay: {
+        default: 120000,
+        type: 'uint'
+    },
+    loadBalanced: {
+        default: false,
+        type: 'boolean'
+    },
+    localThresholdMS: {
+        default: 15,
+        type: 'uint'
+    },
+    logger: {
+        default: new logger_1.Logger('MongoClient'),
+        transform({ values: [value] }) {
+            if (value instanceof logger_1.Logger) {
+                return value;
+            }
+            (0, utils_1.emitWarning)('Alternative loggers might not be supported');
+            // TODO: make Logger an interface that others can implement, make usage consistent in driver
+            // DRIVERS-1204
+            return;
+        }
+    },
+    loggerLevel: {
+        target: 'logger',
+        transform({ values: [value] }) {
+            return new logger_1.Logger('MongoClient', { loggerLevel: value });
+        }
+    },
+    maxConnecting: {
+        default: 2,
+        transform({ name, values: [value] }) {
+            const maxConnecting = getUint(name, value);
+            if (maxConnecting === 0) {
+                throw new error_1.MongoInvalidArgumentError('maxConnecting must be > 0 if specified');
+            }
+            return maxConnecting;
+        }
+    },
+    maxIdleTimeMS: {
+        default: 0,
+        type: 'uint'
+    },
+    maxPoolSize: {
+        default: 100,
+        type: 'uint'
+    },
+    maxStalenessSeconds: {
+        target: 'readPreference',
+        transform({ name, options, values: [value] }) {
+            const maxStalenessSeconds = getUint(name, value);
+            if (options.readPreference) {
+                return read_preference_1.ReadPreference.fromOptions({
+                    readPreference: { ...options.readPreference, maxStalenessSeconds }
+                });
+            }
+            else {
+                return new read_preference_1.ReadPreference('secondary', undefined, { maxStalenessSeconds });
+            }
+        }
+    },
+    minInternalBufferSize: {
+        type: 'uint'
+    },
+    minPoolSize: {
+        default: 0,
+        type: 'uint'
+    },
+    minHeartbeatFrequencyMS: {
+        default: 500,
+        type: 'uint'
+    },
+    monitorCommands: {
+        default: false,
+        type: 'boolean'
+    },
+    name: {
+        target: 'driverInfo',
+        transform({ values: [value], options }) {
+            return { ...options.driverInfo, name: String(value) };
+        }
+    },
+    noDelay: {
+        default: true,
+        type: 'boolean'
+    },
+    pkFactory: {
+        default: utils_1.DEFAULT_PK_FACTORY,
+        transform({ values: [value] }) {
+            if ((0, utils_1.isRecord)(value, ['createPk']) && typeof value.createPk === 'function') {
+                return value;
+            }
+            throw new error_1.MongoParseError(`Option pkFactory must be an object with a createPk function, got ${value}`);
+        }
+    },
+    promiseLibrary: {
+        deprecated: true,
+        type: 'any'
+    },
+    promoteBuffers: {
+        type: 'boolean'
+    },
+    promoteLongs: {
+        type: 'boolean'
+    },
+    promoteValues: {
+        type: 'boolean'
+    },
+    proxyHost: {
+        type: 'string'
+    },
+    proxyPassword: {
+        type: 'string'
+    },
+    proxyPort: {
+        type: 'uint'
+    },
+    proxyUsername: {
+        type: 'string'
+    },
+    raw: {
+        default: false,
+        type: 'boolean'
+    },
+    readConcern: {
+        transform({ values: [value], options }) {
+            if (value instanceof read_concern_1.ReadConcern || (0, utils_1.isRecord)(value, ['level'])) {
+                return read_concern_1.ReadConcern.fromOptions({ ...options.readConcern, ...value });
+            }
+            throw new error_1.MongoParseError(`ReadConcern must be an object, got ${JSON.stringify(value)}`);
+        }
+    },
+    readConcernLevel: {
+        target: 'readConcern',
+        transform({ values: [level], options }) {
+            return read_concern_1.ReadConcern.fromOptions({
+                ...options.readConcern,
+                level: level
+            });
+        }
+    },
+    readPreference: {
+        default: read_preference_1.ReadPreference.primary,
+        transform({ values: [value], options }) {
+            var _a, _b, _c;
+            if (value instanceof read_preference_1.ReadPreference) {
+                return read_preference_1.ReadPreference.fromOptions({
+                    readPreference: { ...options.readPreference, ...value },
+                    ...value
+                });
+            }
+            if ((0, utils_1.isRecord)(value, ['mode'])) {
+                const rp = read_preference_1.ReadPreference.fromOptions({
+                    readPreference: { ...options.readPreference, ...value },
+                    ...value
+                });
+                if (rp)
+                    return rp;
+                else
+                    throw new error_1.MongoParseError(`Cannot make read preference from ${JSON.stringify(value)}`);
+            }
+            if (typeof value === 'string') {
+                const rpOpts = {
+                    hedge: (_a = options.readPreference) === null || _a === void 0 ? void 0 : _a.hedge,
+                    maxStalenessSeconds: (_b = options.readPreference) === null || _b === void 0 ? void 0 : _b.maxStalenessSeconds
+                };
+                return new read_preference_1.ReadPreference(value, (_c = options.readPreference) === null || _c === void 0 ? void 0 : _c.tags, rpOpts);
+            }
+            throw new error_1.MongoParseError(`Unknown ReadPreference value: ${value}`);
+        }
+    },
+    readPreferenceTags: {
+        target: 'readPreference',
+        transform({ values, options }) {
+            const tags = Array.isArray(values[0])
+                ? values[0]
+                : values;
+            const readPreferenceTags = [];
+            for (const tag of tags) {
+                const readPreferenceTag = Object.create(null);
+                if (typeof tag === 'string') {
+                    for (const [k, v] of entriesFromString(tag)) {
+                        readPreferenceTag[k] = v;
+                    }
+                }
+                if ((0, utils_1.isRecord)(tag)) {
+                    for (const [k, v] of Object.entries(tag)) {
+                        readPreferenceTag[k] = v;
+                    }
+                }
+                readPreferenceTags.push(readPreferenceTag);
+            }
+            return read_preference_1.ReadPreference.fromOptions({
+                readPreference: options.readPreference,
+                readPreferenceTags
+            });
+        }
+    },
+    replicaSet: {
+        type: 'string'
+    },
+    retryReads: {
+        default: true,
+        type: 'boolean'
+    },
+    retryWrites: {
+        default: true,
+        type: 'boolean'
+    },
+    serializeFunctions: {
+        type: 'boolean'
+    },
+    serverSelectionTimeoutMS: {
+        default: 30000,
+        type: 'uint'
+    },
+    servername: {
+        type: 'string'
+    },
+    socketTimeoutMS: {
+        default: 0,
+        type: 'uint'
+    },
+    srvMaxHosts: {
+        type: 'uint',
+        default: 0
+    },
+    srvServiceName: {
+        type: 'string',
+        default: 'mongodb'
+    },
+    ssl: {
+        target: 'tls',
+        type: 'boolean'
+    },
+    sslCA: {
+        target: 'ca',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    sslCRL: {
+        target: 'crl',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    sslCert: {
+        target: 'cert',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    sslKey: {
+        target: 'key',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    sslPass: {
+        deprecated: true,
+        target: 'passphrase',
+        type: 'string'
+    },
+    sslValidate: {
+        target: 'rejectUnauthorized',
+        type: 'boolean'
+    },
+    tls: {
+        type: 'boolean'
+    },
+    tlsAllowInvalidCertificates: {
+        target: 'rejectUnauthorized',
+        transform({ name, values: [value] }) {
+            // allowInvalidCertificates is the inverse of rejectUnauthorized
+            return !getBoolean(name, value);
+        }
+    },
+    tlsAllowInvalidHostnames: {
+        target: 'checkServerIdentity',
+        transform({ name, values: [value] }) {
+            // tlsAllowInvalidHostnames means setting the checkServerIdentity function to a noop
+            return getBoolean(name, value) ? () => undefined : undefined;
+        }
+    },
+    tlsCAFile: {
+        target: 'ca',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    tlsCertificateFile: {
+        target: 'cert',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    tlsCertificateKeyFile: {
+        target: 'key',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    tlsCertificateKeyFilePassword: {
+        target: 'passphrase',
+        type: 'any'
+    },
+    tlsInsecure: {
+        transform({ name, options, values: [value] }) {
+            const tlsInsecure = getBoolean(name, value);
+            if (tlsInsecure) {
+                options.checkServerIdentity = () => undefined;
+                options.rejectUnauthorized = false;
+            }
+            else {
+                options.checkServerIdentity = options.tlsAllowInvalidHostnames
+                    ? () => undefined
+                    : undefined;
+                options.rejectUnauthorized = options.tlsAllowInvalidCertificates ? false : true;
+            }
+            return tlsInsecure;
+        }
+    },
+    w: {
+        target: 'writeConcern',
+        transform({ values: [value], options }) {
+            return write_concern_1.WriteConcern.fromOptions({ writeConcern: { ...options.writeConcern, w: value } });
+        }
+    },
+    waitQueueTimeoutMS: {
+        default: 0,
+        type: 'uint'
+    },
+    writeConcern: {
+        target: 'writeConcern',
+        transform({ values: [value], options }) {
+            if ((0, utils_1.isRecord)(value) || value instanceof write_concern_1.WriteConcern) {
+                return write_concern_1.WriteConcern.fromOptions({
+                    writeConcern: {
+                        ...options.writeConcern,
+                        ...value
+                    }
+                });
+            }
+            else if (value === 'majority' || typeof value === 'number') {
+                return write_concern_1.WriteConcern.fromOptions({
+                    writeConcern: {
+                        ...options.writeConcern,
+                        w: value
+                    }
+                });
+            }
+            throw new error_1.MongoParseError(`Invalid WriteConcern cannot parse: ${JSON.stringify(value)}`);
+        }
+    },
+    wtimeout: {
+        deprecated: 'Please use wtimeoutMS instead',
+        target: 'writeConcern',
+        transform({ values: [value], options }) {
+            const wc = write_concern_1.WriteConcern.fromOptions({
+                writeConcern: {
+                    ...options.writeConcern,
+                    wtimeout: getUint('wtimeout', value)
+                }
+            });
+            if (wc)
+                return wc;
+            throw new error_1.MongoParseError(`Cannot make WriteConcern from wtimeout`);
+        }
+    },
+    wtimeoutMS: {
+        target: 'writeConcern',
+        transform({ values: [value], options }) {
+            const wc = write_concern_1.WriteConcern.fromOptions({
+                writeConcern: {
+                    ...options.writeConcern,
+                    wtimeoutMS: getUint('wtimeoutMS', value)
+                }
+            });
+            if (wc)
+                return wc;
+            throw new error_1.MongoParseError(`Cannot make WriteConcern from wtimeout`);
+        }
+    },
+    zlibCompressionLevel: {
+        default: 0,
+        type: 'int'
+    },
+    // Custom types for modifying core behavior
+    connectionType: { type: 'any' },
+    srvPoller: { type: 'any' },
+    // Accepted NodeJS Options
+    minDHSize: { type: 'any' },
+    pskCallback: { type: 'any' },
+    secureContext: { type: 'any' },
+    enableTrace: { type: 'any' },
+    requestCert: { type: 'any' },
+    rejectUnauthorized: { type: 'any' },
+    checkServerIdentity: { type: 'any' },
+    ALPNProtocols: { type: 'any' },
+    SNICallback: { type: 'any' },
+    session: { type: 'any' },
+    requestOCSP: { type: 'any' },
+    localAddress: { type: 'any' },
+    localPort: { type: 'any' },
+    hints: { type: 'any' },
+    lookup: { type: 'any' },
+    ca: { type: 'any' },
+    cert: { type: 'any' },
+    ciphers: { type: 'any' },
+    crl: { type: 'any' },
+    ecdhCurve: { type: 'any' },
+    key: { type: 'any' },
+    passphrase: { type: 'any' },
+    pfx: { type: 'any' },
+    secureProtocol: { type: 'any' },
+    index: { type: 'any' },
+    // Legacy Options, these are unused but left here to avoid errors with CSFLE lib
+    useNewUrlParser: { type: 'boolean' },
+    useUnifiedTopology: { type: 'boolean' }
+};
+exports.DEFAULT_OPTIONS = new CaseInsensitiveMap(Object.entries(exports.OPTIONS)
+    .filter(([, descriptor]) => descriptor.default != null)
+    .map(([k, d]) => [k, d.default]));
+/**
+ * Set of permitted feature flags
+ * @internal
+ */
+exports.FEATURE_FLAGS = new Set([Symbol.for('@@mdb.skipPingOnConnect')]);
+//# sourceMappingURL=connection_string.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/connection_string.js.map b/node_modules/mongodb/lib/connection_string.js.map
new file mode 100644
index 000000000..e480f38c3
--- /dev/null
+++ b/node_modules/mongodb/lib/connection_string.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/constants.js b/node_modules/mongodb/lib/constants.js
new file mode 100644
index 000000000..f3b151f2d
--- /dev/null
+++ b/node_modules/mongodb/lib/constants.js
@@ -0,0 +1,131 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.TOPOLOGY_EVENTS = exports.CMAP_EVENTS = exports.HEARTBEAT_EVENTS = exports.RESUME_TOKEN_CHANGED = exports.END = exports.CHANGE = exports.INIT = exports.MORE = exports.RESPONSE = exports.SERVER_HEARTBEAT_FAILED = exports.SERVER_HEARTBEAT_SUCCEEDED = exports.SERVER_HEARTBEAT_STARTED = exports.COMMAND_FAILED = exports.COMMAND_SUCCEEDED = exports.COMMAND_STARTED = exports.CLUSTER_TIME_RECEIVED = exports.CONNECTION_CHECKED_IN = exports.CONNECTION_CHECKED_OUT = exports.CONNECTION_CHECK_OUT_FAILED = exports.CONNECTION_CHECK_OUT_STARTED = exports.CONNECTION_CLOSED = exports.CONNECTION_READY = exports.CONNECTION_CREATED = exports.CONNECTION_POOL_READY = exports.CONNECTION_POOL_CLEARED = exports.CONNECTION_POOL_CLOSED = exports.CONNECTION_POOL_CREATED = exports.TOPOLOGY_DESCRIPTION_CHANGED = exports.TOPOLOGY_CLOSED = exports.TOPOLOGY_OPENING = exports.SERVER_DESCRIPTION_CHANGED = exports.SERVER_CLOSED = exports.SERVER_OPENING = exports.DESCRIPTION_RECEIVED = exports.UNPINNED = exports.PINNED = exports.MESSAGE = exports.ENDED = exports.CLOSED = exports.CONNECT = exports.OPEN = exports.CLOSE = exports.TIMEOUT = exports.ERROR = exports.SYSTEM_JS_COLLECTION = exports.SYSTEM_COMMAND_COLLECTION = exports.SYSTEM_USER_COLLECTION = exports.SYSTEM_PROFILE_COLLECTION = exports.SYSTEM_INDEX_COLLECTION = exports.SYSTEM_NAMESPACE_COLLECTION = void 0;
+exports.LEGACY_HELLO_COMMAND_CAMEL_CASE = exports.LEGACY_HELLO_COMMAND = exports.MONGO_CLIENT_EVENTS = exports.LOCAL_SERVER_EVENTS = exports.SERVER_RELAY_EVENTS = exports.APM_EVENTS = void 0;
+exports.SYSTEM_NAMESPACE_COLLECTION = 'system.namespaces';
+exports.SYSTEM_INDEX_COLLECTION = 'system.indexes';
+exports.SYSTEM_PROFILE_COLLECTION = 'system.profile';
+exports.SYSTEM_USER_COLLECTION = 'system.users';
+exports.SYSTEM_COMMAND_COLLECTION = '$cmd';
+exports.SYSTEM_JS_COLLECTION = 'system.js';
+// events
+exports.ERROR = 'error';
+exports.TIMEOUT = 'timeout';
+exports.CLOSE = 'close';
+exports.OPEN = 'open';
+exports.CONNECT = 'connect';
+exports.CLOSED = 'closed';
+exports.ENDED = 'ended';
+exports.MESSAGE = 'message';
+exports.PINNED = 'pinned';
+exports.UNPINNED = 'unpinned';
+exports.DESCRIPTION_RECEIVED = 'descriptionReceived';
+exports.SERVER_OPENING = 'serverOpening';
+exports.SERVER_CLOSED = 'serverClosed';
+exports.SERVER_DESCRIPTION_CHANGED = 'serverDescriptionChanged';
+exports.TOPOLOGY_OPENING = 'topologyOpening';
+exports.TOPOLOGY_CLOSED = 'topologyClosed';
+exports.TOPOLOGY_DESCRIPTION_CHANGED = 'topologyDescriptionChanged';
+exports.CONNECTION_POOL_CREATED = 'connectionPoolCreated';
+exports.CONNECTION_POOL_CLOSED = 'connectionPoolClosed';
+exports.CONNECTION_POOL_CLEARED = 'connectionPoolCleared';
+exports.CONNECTION_POOL_READY = 'connectionPoolReady';
+exports.CONNECTION_CREATED = 'connectionCreated';
+exports.CONNECTION_READY = 'connectionReady';
+exports.CONNECTION_CLOSED = 'connectionClosed';
+exports.CONNECTION_CHECK_OUT_STARTED = 'connectionCheckOutStarted';
+exports.CONNECTION_CHECK_OUT_FAILED = 'connectionCheckOutFailed';
+exports.CONNECTION_CHECKED_OUT = 'connectionCheckedOut';
+exports.CONNECTION_CHECKED_IN = 'connectionCheckedIn';
+exports.CLUSTER_TIME_RECEIVED = 'clusterTimeReceived';
+exports.COMMAND_STARTED = 'commandStarted';
+exports.COMMAND_SUCCEEDED = 'commandSucceeded';
+exports.COMMAND_FAILED = 'commandFailed';
+exports.SERVER_HEARTBEAT_STARTED = 'serverHeartbeatStarted';
+exports.SERVER_HEARTBEAT_SUCCEEDED = 'serverHeartbeatSucceeded';
+exports.SERVER_HEARTBEAT_FAILED = 'serverHeartbeatFailed';
+exports.RESPONSE = 'response';
+exports.MORE = 'more';
+exports.INIT = 'init';
+exports.CHANGE = 'change';
+exports.END = 'end';
+exports.RESUME_TOKEN_CHANGED = 'resumeTokenChanged';
+/** @public */
+exports.HEARTBEAT_EVENTS = Object.freeze([
+    exports.SERVER_HEARTBEAT_STARTED,
+    exports.SERVER_HEARTBEAT_SUCCEEDED,
+    exports.SERVER_HEARTBEAT_FAILED
+]);
+/** @public */
+exports.CMAP_EVENTS = Object.freeze([
+    exports.CONNECTION_POOL_CREATED,
+    exports.CONNECTION_POOL_READY,
+    exports.CONNECTION_POOL_CLEARED,
+    exports.CONNECTION_POOL_CLOSED,
+    exports.CONNECTION_CREATED,
+    exports.CONNECTION_READY,
+    exports.CONNECTION_CLOSED,
+    exports.CONNECTION_CHECK_OUT_STARTED,
+    exports.CONNECTION_CHECK_OUT_FAILED,
+    exports.CONNECTION_CHECKED_OUT,
+    exports.CONNECTION_CHECKED_IN
+]);
+/** @public */
+exports.TOPOLOGY_EVENTS = Object.freeze([
+    exports.SERVER_OPENING,
+    exports.SERVER_CLOSED,
+    exports.SERVER_DESCRIPTION_CHANGED,
+    exports.TOPOLOGY_OPENING,
+    exports.TOPOLOGY_CLOSED,
+    exports.TOPOLOGY_DESCRIPTION_CHANGED,
+    exports.ERROR,
+    exports.TIMEOUT,
+    exports.CLOSE
+]);
+/** @public */
+exports.APM_EVENTS = Object.freeze([
+    exports.COMMAND_STARTED,
+    exports.COMMAND_SUCCEEDED,
+    exports.COMMAND_FAILED
+]);
+/**
+ * All events that we relay to the `Topology`
+ * @internal
+ */
+exports.SERVER_RELAY_EVENTS = Object.freeze([
+    exports.SERVER_HEARTBEAT_STARTED,
+    exports.SERVER_HEARTBEAT_SUCCEEDED,
+    exports.SERVER_HEARTBEAT_FAILED,
+    exports.COMMAND_STARTED,
+    exports.COMMAND_SUCCEEDED,
+    exports.COMMAND_FAILED,
+    ...exports.CMAP_EVENTS
+]);
+/**
+ * All events we listen to from `Server` instances, but do not forward to the client
+ * @internal
+ */
+exports.LOCAL_SERVER_EVENTS = Object.freeze([
+    exports.CONNECT,
+    exports.DESCRIPTION_RECEIVED,
+    exports.CLOSED,
+    exports.ENDED
+]);
+/** @public */
+exports.MONGO_CLIENT_EVENTS = Object.freeze([
+    ...exports.CMAP_EVENTS,
+    ...exports.APM_EVENTS,
+    ...exports.TOPOLOGY_EVENTS,
+    ...exports.HEARTBEAT_EVENTS
+]);
+/**
+ * @internal
+ * The legacy hello command that was deprecated in MongoDB 5.0.
+ */
+exports.LEGACY_HELLO_COMMAND = 'ismaster';
+/**
+ * @internal
+ * The legacy hello command that was deprecated in MongoDB 5.0.
+ */
+exports.LEGACY_HELLO_COMMAND_CAMEL_CASE = 'isMaster';
+//# sourceMappingURL=constants.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/constants.js.map b/node_modules/mongodb/lib/constants.js.map
new file mode 100644
index 000000000..483983ab6
--- /dev/null
+++ b/node_modules/mongodb/lib/constants.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"constants.js","sourceRoot":"","sources":["../src/constants.ts"],"names":[],"mappings":";;;;AAAa,QAAA,2BAA2B,GAAG,mBAAmB,CAAC;AAClD,QAAA,uBAAuB,GAAG,gBAAgB,CAAC;AAC3C,QAAA,yBAAyB,GAAG,gBAAgB,CAAC;AAC7C,QAAA,sBAAsB,GAAG,cAAc,CAAC;AACxC,QAAA,yBAAyB,GAAG,MAAM,CAAC;AACnC,QAAA,oBAAoB,GAAG,WAAW,CAAC;AAEhD,SAAS;AACI,QAAA,KAAK,GAAG,OAAgB,CAAC;AACzB,QAAA,OAAO,GAAG,SAAkB,CAAC;AAC7B,QAAA,KAAK,GAAG,OAAgB,CAAC;AACzB,QAAA,IAAI,GAAG,MAAe,CAAC;AACvB,QAAA,OAAO,GAAG,SAAkB,CAAC;AAC7B,QAAA,MAAM,GAAG,QAAiB,CAAC;AAC3B,QAAA,KAAK,GAAG,OAAgB,CAAC;AACzB,QAAA,OAAO,GAAG,SAAkB,CAAC;AAC7B,QAAA,MAAM,GAAG,QAAiB,CAAC;AAC3B,QAAA,QAAQ,GAAG,UAAmB,CAAC;AAC/B,QAAA,oBAAoB,GAAG,qBAAqB,CAAC;AAC7C,QAAA,cAAc,GAAG,eAAwB,CAAC;AAC1C,QAAA,aAAa,GAAG,cAAuB,CAAC;AACxC,QAAA,0BAA0B,GAAG,0BAAmC,CAAC;AACjE,QAAA,gBAAgB,GAAG,iBAA0B,CAAC;AAC9C,QAAA,eAAe,GAAG,gBAAyB,CAAC;AAC5C,QAAA,4BAA4B,GAAG,4BAAqC,CAAC;AACrE,QAAA,uBAAuB,GAAG,uBAAgC,CAAC;AAC3D,QAAA,sBAAsB,GAAG,sBAA+B,CAAC;AACzD,QAAA,uBAAuB,GAAG,uBAAgC,CAAC;AAC3D,QAAA,qBAAqB,GAAG,qBAA8B,CAAC;AACvD,QAAA,kBAAkB,GAAG,mBAA4B,CAAC;AAClD,QAAA,gBAAgB,GAAG,iBAA0B,CAAC;AAC9C,QAAA,iBAAiB,GAAG,kBAA2B,CAAC;AAChD,QAAA,4BAA4B,GAAG,2BAAoC,CAAC;AACpE,QAAA,2BAA2B,GAAG,0BAAmC,CAAC;AAClE,QAAA,sBAAsB,GAAG,sBAA+B,CAAC;AACzD,QAAA,qBAAqB,GAAG,qBAA8B,CAAC;AACvD,QAAA,qBAAqB,GAAG,qBAA8B,CAAC;AACvD,QAAA,eAAe,GAAG,gBAAyB,CAAC;AAC5C,QAAA,iBAAiB,GAAG,kBAA2B,CAAC;AAChD,QAAA,cAAc,GAAG,eAAwB,CAAC;AAC1C,QAAA,wBAAwB,GAAG,wBAAiC,CAAC;AAC7D,QAAA,0BAA0B,GAAG,0BAAmC,CAAC;AACjE,QAAA,uBAAuB,GAAG,uBAAgC,CAAC;AAC3D,QAAA,QAAQ,GAAG,UAAmB,CAAC;AAC/B,QAAA,IAAI,GAAG,MAAe,CAAC;AACvB,QAAA,IAAI,GAAG,MAAe,CAAC;AACvB,QAAA,MAAM,GAAG,QAAiB,CAAC;AAC3B,QAAA,GAAG,GAAG,KAAc,CAAC;AACrB,QAAA,oBAAoB,GAAG,oBAA6B,CAAC;AAElE,cAAc;AACD,QAAA,gBAAgB,GAAG,MAAM,CAAC,MAAM,CAAC;IAC5C,gCAAwB;IACxB,kCAA0B;IAC1B,+BAAuB;CACf,CAAC,CAAC;AAEZ,cAAc;AACD,QAAA,WAAW,GAAG,MAAM,CAAC,MAAM,CAAC;IACvC,+BAAuB;IACvB,6BAAqB;IACrB,+BAAuB;IACvB,8BAAsB;IACtB,0BAAkB;IAClB,wBAAgB;IAChB,yBAAiB;IACjB,oCAA4B;IAC5B,mCAA2B;IAC3B,8BAAsB;IACtB,6BAAqB;CACb,CAAC,CAAC;AAEZ,cAAc;AACD,QAAA,eAAe,GAAG,MAAM,CAAC,MAAM,CAAC;IAC3C,sBAAc;IACd,qBAAa;IACb,kCAA0B;IAC1B,wBAAgB;IAChB,uBAAe;IACf,oCAA4B;IAC5B,aAAK;IACL,eAAO;IACP,aAAK;CACG,CAAC,CAAC;AAEZ,cAAc;AACD,QAAA,UAAU,GAAG,MAAM,CAAC,MAAM,CAAC;IACtC,uBAAe;IACf,yBAAiB;IACjB,sBAAc;CACN,CAAC,CAAC;AAEZ;;;GAGG;AACU,QAAA,mBAAmB,GAAG,MAAM,CAAC,MAAM,CAAC;IAC/C,gCAAwB;IACxB,kCAA0B;IAC1B,+BAAuB;IACvB,uBAAe;IACf,yBAAiB;IACjB,sBAAc;IACd,GAAG,mBAAW;CACN,CAAC,CAAC;AAEZ;;;GAGG;AACU,QAAA,mBAAmB,GAAG,MAAM,CAAC,MAAM,CAAC;IAC/C,eAAO;IACP,4BAAoB;IACpB,cAAM;IACN,aAAK;CACG,CAAC,CAAC;AAEZ,cAAc;AACD,QAAA,mBAAmB,GAAG,MAAM,CAAC,MAAM,CAAC;IAC/C,GAAG,mBAAW;IACd,GAAG,kBAAU;IACb,GAAG,uBAAe;IAClB,GAAG,wBAAgB;CACX,CAAC,CAAC;AAEZ;;;GAGG;AACU,QAAA,oBAAoB,GAAG,UAAU,CAAC;AAE/C;;;GAGG;AACU,QAAA,+BAA+B,GAAG,UAAU,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cursor/abstract_cursor.js b/node_modules/mongodb/lib/cursor/abstract_cursor.js
new file mode 100644
index 000000000..2034f54d2
--- /dev/null
+++ b/node_modules/mongodb/lib/cursor/abstract_cursor.js
@@ -0,0 +1,646 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.assertUninitialized = exports.next = exports.AbstractCursor = exports.CURSOR_FLAGS = void 0;
+const stream_1 = require("stream");
+const bson_1 = require("../bson");
+const error_1 = require("../error");
+const mongo_types_1 = require("../mongo_types");
+const execute_operation_1 = require("../operations/execute_operation");
+const get_more_1 = require("../operations/get_more");
+const kill_cursors_1 = require("../operations/kill_cursors");
+const read_concern_1 = require("../read_concern");
+const read_preference_1 = require("../read_preference");
+const sessions_1 = require("../sessions");
+const utils_1 = require("../utils");
+/** @internal */
+const kId = Symbol('id');
+/** @internal */
+const kDocuments = Symbol('documents');
+/** @internal */
+const kServer = Symbol('server');
+/** @internal */
+const kNamespace = Symbol('namespace');
+/** @internal */
+const kClient = Symbol('client');
+/** @internal */
+const kSession = Symbol('session');
+/** @internal */
+const kOptions = Symbol('options');
+/** @internal */
+const kTransform = Symbol('transform');
+/** @internal */
+const kInitialized = Symbol('initialized');
+/** @internal */
+const kClosed = Symbol('closed');
+/** @internal */
+const kKilled = Symbol('killed');
+/** @internal */
+const kInit = Symbol('kInit');
+/** @public */
+exports.CURSOR_FLAGS = [
+    'tailable',
+    'oplogReplay',
+    'noCursorTimeout',
+    'awaitData',
+    'exhaust',
+    'partial'
+];
+/** @public */
+class AbstractCursor extends mongo_types_1.TypedEventEmitter {
+    /** @internal */
+    constructor(client, namespace, options = {}) {
+        super();
+        if (!client.s.isMongoClient) {
+            throw new error_1.MongoRuntimeError('Cursor must be constructed with MongoClient');
+        }
+        this[kClient] = client;
+        this[kNamespace] = namespace;
+        this[kDocuments] = [];
+        this[kInitialized] = false;
+        this[kClosed] = false;
+        this[kKilled] = false;
+        this[kOptions] = {
+            readPreference: options.readPreference && options.readPreference instanceof read_preference_1.ReadPreference
+                ? options.readPreference
+                : read_preference_1.ReadPreference.primary,
+            ...(0, bson_1.pluckBSONSerializeOptions)(options)
+        };
+        const readConcern = read_concern_1.ReadConcern.fromOptions(options);
+        if (readConcern) {
+            this[kOptions].readConcern = readConcern;
+        }
+        if (typeof options.batchSize === 'number') {
+            this[kOptions].batchSize = options.batchSize;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (options.comment !== undefined) {
+            this[kOptions].comment = options.comment;
+        }
+        if (typeof options.maxTimeMS === 'number') {
+            this[kOptions].maxTimeMS = options.maxTimeMS;
+        }
+        if (typeof options.maxAwaitTimeMS === 'number') {
+            this[kOptions].maxAwaitTimeMS = options.maxAwaitTimeMS;
+        }
+        if (options.session instanceof sessions_1.ClientSession) {
+            this[kSession] = options.session;
+        }
+        else {
+            this[kSession] = this[kClient].startSession({ owner: this, explicit: false });
+        }
+    }
+    get id() {
+        return this[kId];
+    }
+    /** @internal */
+    get client() {
+        return this[kClient];
+    }
+    /** @internal */
+    get server() {
+        return this[kServer];
+    }
+    get namespace() {
+        return this[kNamespace];
+    }
+    get readPreference() {
+        return this[kOptions].readPreference;
+    }
+    get readConcern() {
+        return this[kOptions].readConcern;
+    }
+    /** @internal */
+    get session() {
+        return this[kSession];
+    }
+    set session(clientSession) {
+        this[kSession] = clientSession;
+    }
+    /** @internal */
+    get cursorOptions() {
+        return this[kOptions];
+    }
+    get closed() {
+        return this[kClosed];
+    }
+    get killed() {
+        return this[kKilled];
+    }
+    get loadBalanced() {
+        var _a;
+        return !!((_a = this[kClient].topology) === null || _a === void 0 ? void 0 : _a.loadBalanced);
+    }
+    /** Returns current buffered documents length */
+    bufferedCount() {
+        return this[kDocuments].length;
+    }
+    /** Returns current buffered documents */
+    readBufferedDocuments(number) {
+        return this[kDocuments].splice(0, number !== null && number !== void 0 ? number : this[kDocuments].length);
+    }
+    [Symbol.asyncIterator]() {
+        return {
+            next: () => this.next().then(value => value != null ? { value, done: false } : { value: undefined, done: true })
+        };
+    }
+    stream(options) {
+        if (options === null || options === void 0 ? void 0 : options.transform) {
+            const transform = options.transform;
+            const readable = new ReadableCursorStream(this);
+            return readable.pipe(new stream_1.Transform({
+                objectMode: true,
+                highWaterMark: 1,
+                transform(chunk, _, callback) {
+                    try {
+                        const transformed = transform(chunk);
+                        callback(undefined, transformed);
+                    }
+                    catch (err) {
+                        callback(err);
+                    }
+                }
+            }));
+        }
+        return new ReadableCursorStream(this);
+    }
+    hasNext(callback) {
+        return (0, utils_1.maybePromise)(callback, done => {
+            if (this[kId] === bson_1.Long.ZERO) {
+                return done(undefined, false);
+            }
+            if (this[kDocuments].length) {
+                return done(undefined, true);
+            }
+            next(this, true, (err, doc) => {
+                if (err)
+                    return done(err);
+                if (doc) {
+                    this[kDocuments].unshift(doc);
+                    done(undefined, true);
+                    return;
+                }
+                done(undefined, false);
+            });
+        });
+    }
+    next(callback) {
+        return (0, utils_1.maybePromise)(callback, done => {
+            if (this[kId] === bson_1.Long.ZERO) {
+                return done(new error_1.MongoCursorExhaustedError());
+            }
+            next(this, true, done);
+        });
+    }
+    tryNext(callback) {
+        return (0, utils_1.maybePromise)(callback, done => {
+            if (this[kId] === bson_1.Long.ZERO) {
+                return done(new error_1.MongoCursorExhaustedError());
+            }
+            next(this, false, done);
+        });
+    }
+    forEach(iterator, callback) {
+        if (typeof iterator !== 'function') {
+            throw new error_1.MongoInvalidArgumentError('Argument "iterator" must be a function');
+        }
+        return (0, utils_1.maybePromise)(callback, done => {
+            const transform = this[kTransform];
+            const fetchDocs = () => {
+                next(this, true, (err, doc) => {
+                    if (err || doc == null)
+                        return done(err);
+                    let result;
+                    // NOTE: no need to transform because `next` will do this automatically
+                    try {
+                        result = iterator(doc); // TODO(NODE-3283): Improve transform typing
+                    }
+                    catch (error) {
+                        return done(error);
+                    }
+                    if (result === false)
+                        return done();
+                    // these do need to be transformed since they are copying the rest of the batch
+                    const internalDocs = this[kDocuments].splice(0, this[kDocuments].length);
+                    for (let i = 0; i < internalDocs.length; ++i) {
+                        try {
+                            result = iterator((transform ? transform(internalDocs[i]) : internalDocs[i]) // TODO(NODE-3283): Improve transform typing
+                            );
+                        }
+                        catch (error) {
+                            return done(error);
+                        }
+                        if (result === false)
+                            return done();
+                    }
+                    fetchDocs();
+                });
+            };
+            fetchDocs();
+        });
+    }
+    close(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        const needsToEmitClosed = !this[kClosed];
+        this[kClosed] = true;
+        return (0, utils_1.maybePromise)(callback, done => cleanupCursor(this, { needsToEmitClosed }, done));
+    }
+    toArray(callback) {
+        return (0, utils_1.maybePromise)(callback, done => {
+            const docs = [];
+            const transform = this[kTransform];
+            const fetchDocs = () => {
+                // NOTE: if we add a `nextBatch` then we should use it here
+                next(this, true, (err, doc) => {
+                    if (err)
+                        return done(err);
+                    if (doc == null)
+                        return done(undefined, docs);
+                    // NOTE: no need to transform because `next` will do this automatically
+                    docs.push(doc);
+                    // these do need to be transformed since they are copying the rest of the batch
+                    const internalDocs = (transform
+                        ? this[kDocuments].splice(0, this[kDocuments].length).map(transform)
+                        : this[kDocuments].splice(0, this[kDocuments].length)); // TODO(NODE-3283): Improve transform typing
+                    if (internalDocs) {
+                        docs.push(...internalDocs);
+                    }
+                    fetchDocs();
+                });
+            };
+            fetchDocs();
+        });
+    }
+    /**
+     * Add a cursor flag to the cursor
+     *
+     * @param flag - The flag to set, must be one of following ['tailable', 'oplogReplay', 'noCursorTimeout', 'awaitData', 'partial' -.
+     * @param value - The flag boolean value.
+     */
+    addCursorFlag(flag, value) {
+        assertUninitialized(this);
+        if (!exports.CURSOR_FLAGS.includes(flag)) {
+            throw new error_1.MongoInvalidArgumentError(`Flag ${flag} is not one of ${exports.CURSOR_FLAGS}`);
+        }
+        if (typeof value !== 'boolean') {
+            throw new error_1.MongoInvalidArgumentError(`Flag ${flag} must be a boolean value`);
+        }
+        this[kOptions][flag] = value;
+        return this;
+    }
+    /**
+     * Map all documents using the provided function
+     * If there is a transform set on the cursor, that will be called first and the result passed to
+     * this function's transform.
+     *
+     * @remarks
+     * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+     * it **does not** return a new instance of a cursor. This means when calling map,
+     * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+     * Take note of the following example:
+     *
+     * @example
+     * ```typescript
+     * const cursor: FindCursor<Document> = coll.find();
+     * const mappedCursor: FindCursor<number> = cursor.map(doc => Object.keys(doc).length);
+     * const keyCounts: number[] = await mappedCursor.toArray(); // cursor.toArray() still returns Document[]
+     * ```
+     * @param transform - The mapping transformation method.
+     */
+    map(transform) {
+        assertUninitialized(this);
+        const oldTransform = this[kTransform]; // TODO(NODE-3283): Improve transform typing
+        if (oldTransform) {
+            this[kTransform] = doc => {
+                return transform(oldTransform(doc));
+            };
+        }
+        else {
+            this[kTransform] = transform;
+        }
+        return this;
+    }
+    /**
+     * Set the ReadPreference for the cursor.
+     *
+     * @param readPreference - The new read preference for the cursor.
+     */
+    withReadPreference(readPreference) {
+        assertUninitialized(this);
+        if (readPreference instanceof read_preference_1.ReadPreference) {
+            this[kOptions].readPreference = readPreference;
+        }
+        else if (typeof readPreference === 'string') {
+            this[kOptions].readPreference = read_preference_1.ReadPreference.fromString(readPreference);
+        }
+        else {
+            throw new error_1.MongoInvalidArgumentError(`Invalid read preference: ${readPreference}`);
+        }
+        return this;
+    }
+    /**
+     * Set the ReadPreference for the cursor.
+     *
+     * @param readPreference - The new read preference for the cursor.
+     */
+    withReadConcern(readConcern) {
+        assertUninitialized(this);
+        const resolvedReadConcern = read_concern_1.ReadConcern.fromOptions({ readConcern });
+        if (resolvedReadConcern) {
+            this[kOptions].readConcern = resolvedReadConcern;
+        }
+        return this;
+    }
+    /**
+     * Set a maxTimeMS on the cursor query, allowing for hard timeout limits on queries (Only supported on MongoDB 2.6 or higher)
+     *
+     * @param value - Number of milliseconds to wait before aborting the query.
+     */
+    maxTimeMS(value) {
+        assertUninitialized(this);
+        if (typeof value !== 'number') {
+            throw new error_1.MongoInvalidArgumentError('Argument for maxTimeMS must be a number');
+        }
+        this[kOptions].maxTimeMS = value;
+        return this;
+    }
+    /**
+     * Set the batch size for the cursor.
+     *
+     * @param value - The number of documents to return per batch. See {@link https://docs.mongodb.com/manual/reference/command/find/|find command documentation}.
+     */
+    batchSize(value) {
+        assertUninitialized(this);
+        if (this[kOptions].tailable) {
+            throw new error_1.MongoTailableCursorError('Tailable cursor does not support batchSize');
+        }
+        if (typeof value !== 'number') {
+            throw new error_1.MongoInvalidArgumentError('Operation "batchSize" requires an integer');
+        }
+        this[kOptions].batchSize = value;
+        return this;
+    }
+    /**
+     * Rewind this cursor to its uninitialized state. Any options that are present on the cursor will
+     * remain in effect. Iterating this cursor will cause new queries to be sent to the server, even
+     * if the resultant data has already been retrieved by this cursor.
+     */
+    rewind() {
+        if (!this[kInitialized]) {
+            return;
+        }
+        this[kId] = undefined;
+        this[kDocuments] = [];
+        this[kClosed] = false;
+        this[kKilled] = false;
+        this[kInitialized] = false;
+        const session = this[kSession];
+        if (session) {
+            // We only want to end this session if we created it, and it hasn't ended yet
+            if (session.explicit === false) {
+                if (!session.hasEnded) {
+                    session.endSession().catch(() => null);
+                }
+                this[kSession] = this.client.startSession({ owner: this, explicit: false });
+            }
+        }
+    }
+    /** @internal */
+    _getMore(batchSize, callback) {
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        const getMoreOperation = new get_more_1.GetMoreOperation(this[kNamespace], this[kId], this[kServer], {
+            ...this[kOptions],
+            session: this[kSession],
+            batchSize
+        });
+        (0, execute_operation_1.executeOperation)(this[kClient], getMoreOperation, callback);
+    }
+    /**
+     * @internal
+     *
+     * This function is exposed for the unified test runner's createChangeStream
+     * operation.  We cannot refactor to use the abstract _initialize method without
+     * a significant refactor.
+     */
+    [kInit](callback) {
+        this._initialize(this[kSession], (err, state) => {
+            if (state) {
+                const response = state.response;
+                this[kServer] = state.server;
+                if (response.cursor) {
+                    // TODO(NODE-2674): Preserve int64 sent from MongoDB
+                    this[kId] =
+                        typeof response.cursor.id === 'number'
+                            ? bson_1.Long.fromNumber(response.cursor.id)
+                            : response.cursor.id;
+                    if (response.cursor.ns) {
+                        this[kNamespace] = (0, utils_1.ns)(response.cursor.ns);
+                    }
+                    this[kDocuments] = response.cursor.firstBatch;
+                }
+                // When server responses return without a cursor document, we close this cursor
+                // and return the raw server response. This is often the case for explain commands
+                // for example
+                if (this[kId] == null) {
+                    this[kId] = bson_1.Long.ZERO;
+                    // TODO(NODE-3286): ExecutionResult needs to accept a generic parameter
+                    this[kDocuments] = [state.response];
+                }
+            }
+            // the cursor is now initialized, even if an error occurred or it is dead
+            this[kInitialized] = true;
+            if (err || cursorIsDead(this)) {
+                return cleanupCursor(this, { error: err }, () => callback(err, nextDocument(this)));
+            }
+            callback();
+        });
+    }
+}
+exports.AbstractCursor = AbstractCursor;
+/** @event */
+AbstractCursor.CLOSE = 'close';
+function nextDocument(cursor) {
+    if (cursor[kDocuments] == null || !cursor[kDocuments].length) {
+        return null;
+    }
+    const doc = cursor[kDocuments].shift();
+    if (doc) {
+        const transform = cursor[kTransform];
+        if (transform) {
+            return transform(doc);
+        }
+        return doc;
+    }
+    return null;
+}
+/**
+ * @param cursor - the cursor on which to call `next`
+ * @param blocking - a boolean indicating whether or not the cursor should `block` until data
+ *     is available.  Generally, this flag is set to `false` because if the getMore returns no documents,
+ *     the cursor has been exhausted.  In certain scenarios (ChangeStreams, tailable await cursors and
+ *     `tryNext`, for example) blocking is necessary because a getMore returning no documents does
+ *     not indicate the end of the cursor.
+ * @param callback - callback to return the result to the caller
+ * @returns
+ */
+function next(cursor, blocking, callback) {
+    const cursorId = cursor[kId];
+    if (cursor.closed) {
+        return callback(undefined, null);
+    }
+    if (cursor[kDocuments] && cursor[kDocuments].length) {
+        callback(undefined, nextDocument(cursor));
+        return;
+    }
+    if (cursorId == null) {
+        // All cursors must operate within a session, one must be made implicitly if not explicitly provided
+        cursor[kInit]((err, value) => {
+            if (err)
+                return callback(err);
+            if (value) {
+                return callback(undefined, value);
+            }
+            return next(cursor, blocking, callback);
+        });
+        return;
+    }
+    if (cursorIsDead(cursor)) {
+        return cleanupCursor(cursor, undefined, () => callback(undefined, null));
+    }
+    // otherwise need to call getMore
+    const batchSize = cursor[kOptions].batchSize || 1000;
+    cursor._getMore(batchSize, (err, response) => {
+        if (response) {
+            const cursorId = typeof response.cursor.id === 'number'
+                ? bson_1.Long.fromNumber(response.cursor.id)
+                : response.cursor.id;
+            cursor[kDocuments] = response.cursor.nextBatch;
+            cursor[kId] = cursorId;
+        }
+        if (err || cursorIsDead(cursor)) {
+            return cleanupCursor(cursor, { error: err }, () => callback(err, nextDocument(cursor)));
+        }
+        if (cursor[kDocuments].length === 0 && blocking === false) {
+            return callback(undefined, null);
+        }
+        next(cursor, blocking, callback);
+    });
+}
+exports.next = next;
+function cursorIsDead(cursor) {
+    const cursorId = cursor[kId];
+    return !!cursorId && cursorId.isZero();
+}
+function cleanupCursor(cursor, options, callback) {
+    var _a;
+    const cursorId = cursor[kId];
+    const cursorNs = cursor[kNamespace];
+    const server = cursor[kServer];
+    const session = cursor[kSession];
+    const error = options === null || options === void 0 ? void 0 : options.error;
+    const needsToEmitClosed = (_a = options === null || options === void 0 ? void 0 : options.needsToEmitClosed) !== null && _a !== void 0 ? _a : cursor[kDocuments].length === 0;
+    if (error) {
+        if (cursor.loadBalanced && error instanceof error_1.MongoNetworkError) {
+            return completeCleanup();
+        }
+    }
+    if (cursorId == null || server == null || cursorId.isZero() || cursorNs == null) {
+        if (needsToEmitClosed) {
+            cursor[kClosed] = true;
+            cursor[kId] = bson_1.Long.ZERO;
+            cursor.emit(AbstractCursor.CLOSE);
+        }
+        if (session) {
+            if (session.owner === cursor) {
+                return session.endSession({ error }, callback);
+            }
+            if (!session.inTransaction()) {
+                (0, sessions_1.maybeClearPinnedConnection)(session, { error });
+            }
+        }
+        return callback();
+    }
+    function completeCleanup() {
+        if (session) {
+            if (session.owner === cursor) {
+                return session.endSession({ error }, () => {
+                    cursor.emit(AbstractCursor.CLOSE);
+                    callback();
+                });
+            }
+            if (!session.inTransaction()) {
+                (0, sessions_1.maybeClearPinnedConnection)(session, { error });
+            }
+        }
+        cursor.emit(AbstractCursor.CLOSE);
+        return callback();
+    }
+    cursor[kKilled] = true;
+    return (0, execute_operation_1.executeOperation)(cursor[kClient], new kill_cursors_1.KillCursorsOperation(cursorId, cursorNs, server, { session }), completeCleanup);
+}
+/** @internal */
+function assertUninitialized(cursor) {
+    if (cursor[kInitialized]) {
+        throw new error_1.MongoCursorInUseError();
+    }
+}
+exports.assertUninitialized = assertUninitialized;
+class ReadableCursorStream extends stream_1.Readable {
+    constructor(cursor) {
+        super({
+            objectMode: true,
+            autoDestroy: false,
+            highWaterMark: 1
+        });
+        this._readInProgress = false;
+        this._cursor = cursor;
+    }
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    _read(size) {
+        if (!this._readInProgress) {
+            this._readInProgress = true;
+            this._readNext();
+        }
+    }
+    _destroy(error, callback) {
+        this._cursor.close(err => process.nextTick(callback, err || error));
+    }
+    _readNext() {
+        next(this._cursor, true, (err, result) => {
+            if (err) {
+                // NOTE: This is questionable, but we have a test backing the behavior. It seems the
+                //       desired behavior is that a stream ends cleanly when a user explicitly closes
+                //       a client during iteration. Alternatively, we could do the "right" thing and
+                //       propagate the error message by removing this special case.
+                if (err.message.match(/server is closed/)) {
+                    this._cursor.close().catch(() => null);
+                    return this.push(null);
+                }
+                // NOTE: This is also perhaps questionable. The rationale here is that these errors tend
+                //       to be "operation interrupted", where a cursor has been closed but there is an
+                //       active getMore in-flight. This used to check if the cursor was killed but once
+                //       that changed to happen in cleanup legitimate errors would not destroy the
+                //       stream. There are change streams test specifically test these cases.
+                if (err.message.match(/interrupted/)) {
+                    return this.push(null);
+                }
+                return this.destroy(err);
+            }
+            if (result == null) {
+                this.push(null);
+            }
+            else if (this.destroyed) {
+                this._cursor.close().catch(() => null);
+            }
+            else {
+                if (this.push(result)) {
+                    return this._readNext();
+                }
+                this._readInProgress = false;
+            }
+        });
+    }
+}
+//# sourceMappingURL=abstract_cursor.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cursor/abstract_cursor.js.map b/node_modules/mongodb/lib/cursor/abstract_cursor.js.map
new file mode 100644
index 000000000..6401a562b
--- /dev/null
+++ b/node_modules/mongodb/lib/cursor/abstract_cursor.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cursor/aggregation_cursor.js b/node_modules/mongodb/lib/cursor/aggregation_cursor.js
new file mode 100644
index 000000000..ad77c58a0
--- /dev/null
+++ b/node_modules/mongodb/lib/cursor/aggregation_cursor.js
@@ -0,0 +1,172 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AggregationCursor = void 0;
+const aggregate_1 = require("../operations/aggregate");
+const execute_operation_1 = require("../operations/execute_operation");
+const utils_1 = require("../utils");
+const abstract_cursor_1 = require("./abstract_cursor");
+/** @internal */
+const kPipeline = Symbol('pipeline');
+/** @internal */
+const kOptions = Symbol('options');
+/**
+ * The **AggregationCursor** class is an internal class that embodies an aggregation cursor on MongoDB
+ * allowing for iteration over the results returned from the underlying query. It supports
+ * one by one document iteration, conversion to an array or can be iterated as a Node 4.X
+ * or higher stream
+ * @public
+ */
+class AggregationCursor extends abstract_cursor_1.AbstractCursor {
+    /** @internal */
+    constructor(client, namespace, pipeline = [], options = {}) {
+        super(client, namespace, options);
+        this[kPipeline] = pipeline;
+        this[kOptions] = options;
+    }
+    get pipeline() {
+        return this[kPipeline];
+    }
+    clone() {
+        const clonedOptions = (0, utils_1.mergeOptions)({}, this[kOptions]);
+        delete clonedOptions.session;
+        return new AggregationCursor(this.client, this.namespace, this[kPipeline], {
+            ...clonedOptions
+        });
+    }
+    map(transform) {
+        return super.map(transform);
+    }
+    /** @internal */
+    _initialize(session, callback) {
+        const aggregateOperation = new aggregate_1.AggregateOperation(this.namespace, this[kPipeline], {
+            ...this[kOptions],
+            ...this.cursorOptions,
+            session
+        });
+        (0, execute_operation_1.executeOperation)(this.client, aggregateOperation, (err, response) => {
+            if (err || response == null)
+                return callback(err);
+            // TODO: NODE-2882
+            callback(undefined, { server: aggregateOperation.server, session, response });
+        });
+    }
+    explain(verbosity, callback) {
+        if (typeof verbosity === 'function')
+            (callback = verbosity), (verbosity = true);
+        if (verbosity == null)
+            verbosity = true;
+        return (0, execute_operation_1.executeOperation)(this.client, new aggregate_1.AggregateOperation(this.namespace, this[kPipeline], {
+            ...this[kOptions],
+            ...this.cursorOptions,
+            explain: verbosity
+        }), callback);
+    }
+    group($group) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $group });
+        return this;
+    }
+    /** Add a limit stage to the aggregation pipeline */
+    limit($limit) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $limit });
+        return this;
+    }
+    /** Add a match stage to the aggregation pipeline */
+    match($match) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $match });
+        return this;
+    }
+    /** Add an out stage to the aggregation pipeline */
+    out($out) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $out });
+        return this;
+    }
+    /**
+     * Add a project stage to the aggregation pipeline
+     *
+     * @remarks
+     * In order to strictly type this function you must provide an interface
+     * that represents the effect of your projection on the result documents.
+     *
+     * By default chaining a projection to your cursor changes the returned type to the generic {@link Document} type.
+     * You should specify a parameterized type to have assertions on your final results.
+     *
+     * @example
+     * ```typescript
+     * // Best way
+     * const docs: AggregationCursor<{ a: number }> = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * // Flexible way
+     * const docs: AggregationCursor<Document> = cursor.project({ _id: 0, a: true });
+     * ```
+     *
+     * @remarks
+     * In order to strictly type this function you must provide an interface
+     * that represents the effect of your projection on the result documents.
+     *
+     * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+     * it **does not** return a new instance of a cursor. This means when calling project,
+     * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+     * Take note of the following example:
+     *
+     * @example
+     * ```typescript
+     * const cursor: AggregationCursor<{ a: number; b: string }> = coll.aggregate([]);
+     * const projectCursor = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * const aPropOnlyArray: {a: number}[] = await projectCursor.toArray();
+     *
+     * // or always use chaining and save the final cursor
+     *
+     * const cursor = coll.aggregate().project<{ a: string }>({
+     *   _id: 0,
+     *   a: { $convert: { input: '$a', to: 'string' }
+     * }});
+     * ```
+     */
+    project($project) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $project });
+        return this;
+    }
+    /** Add a lookup stage to the aggregation pipeline */
+    lookup($lookup) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $lookup });
+        return this;
+    }
+    /** Add a redact stage to the aggregation pipeline */
+    redact($redact) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $redact });
+        return this;
+    }
+    /** Add a skip stage to the aggregation pipeline */
+    skip($skip) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $skip });
+        return this;
+    }
+    /** Add a sort stage to the aggregation pipeline */
+    sort($sort) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $sort });
+        return this;
+    }
+    /** Add a unwind stage to the aggregation pipeline */
+    unwind($unwind) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $unwind });
+        return this;
+    }
+    // deprecated methods
+    /** @deprecated Add a geoNear stage to the aggregation pipeline */
+    geoNear($geoNear) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $geoNear });
+        return this;
+    }
+}
+exports.AggregationCursor = AggregationCursor;
+//# sourceMappingURL=aggregation_cursor.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cursor/aggregation_cursor.js.map b/node_modules/mongodb/lib/cursor/aggregation_cursor.js.map
new file mode 100644
index 000000000..442a18cb1
--- /dev/null
+++ b/node_modules/mongodb/lib/cursor/aggregation_cursor.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"aggregation_cursor.js","sourceRoot":"","sources":["../../src/cursor/aggregation_cursor.ts"],"names":[],"mappings":";;;AAGA,uDAA+E;AAC/E,uEAAoF;AAIpF,oCAAwC;AAExC,uDAAwE;AAKxE,gBAAgB;AAChB,MAAM,SAAS,GAAG,MAAM,CAAC,UAAU,CAAC,CAAC;AACrC,gBAAgB;AAChB,MAAM,QAAQ,GAAG,MAAM,CAAC,SAAS,CAAC,CAAC;AAEnC;;;;;;GAMG;AACH,MAAa,iBAAiC,SAAQ,gCAAuB;IAM3E,gBAAgB;IAChB,YACE,MAAmB,EACnB,SAA2B,EAC3B,WAAuB,EAAE,EACzB,UAA4B,EAAE;QAE9B,KAAK,CAAC,MAAM,EAAE,SAAS,EAAE,OAAO,CAAC,CAAC;QAElC,IAAI,CAAC,SAAS,CAAC,GAAG,QAAQ,CAAC;QAC3B,IAAI,CAAC,QAAQ,CAAC,GAAG,OAAO,CAAC;IAC3B,CAAC;IAED,IAAI,QAAQ;QACV,OAAO,IAAI,CAAC,SAAS,CAAC,CAAC;IACzB,CAAC;IAED,KAAK;QACH,MAAM,aAAa,GAAG,IAAA,oBAAY,EAAC,EAAE,EAAE,IAAI,CAAC,QAAQ,CAAC,CAAC,CAAC;QACvD,OAAO,aAAa,CAAC,OAAO,CAAC;QAC7B,OAAO,IAAI,iBAAiB,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,SAAS,EAAE,IAAI,CAAC,SAAS,CAAC,EAAE;YACzE,GAAG,aAAa;SACjB,CAAC,CAAC;IACL,CAAC;IAEQ,GAAG,CAAI,SAA8B;QAC5C,OAAO,KAAK,CAAC,GAAG,CAAC,SAAS,CAAyB,CAAC;IACtD,CAAC;IAED,gBAAgB;IAChB,WAAW,CAAC,OAAsB,EAAE,QAAmC;QACrE,MAAM,kBAAkB,GAAG,IAAI,8BAAkB,CAAC,IAAI,CAAC,SAAS,EAAE,IAAI,CAAC,SAAS,CAAC,EAAE;YACjF,GAAG,IAAI,CAAC,QAAQ,CAAC;YACjB,GAAG,IAAI,CAAC,aAAa;YACrB,OAAO;SACR,CAAC,CAAC;QAEH,IAAA,oCAAgB,EAAC,IAAI,CAAC,MAAM,EAAE,kBAAkB,EAAE,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;YAClE,IAAI,GAAG,IAAI,QAAQ,IAAI,IAAI;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAElD,kBAAkB;YAClB,QAAQ,CAAC,SAAS,EAAE,EAAE,MAAM,EAAE,kBAAkB,CAAC,MAAM,EAAE,OAAO,EAAE,QAAQ,EAAE,CAAC,CAAC;QAChF,CAAC,CAAC,CAAC;IACL,CAAC;IAOD,OAAO,CACL,SAA2C,EAC3C,QAA6B;QAE7B,IAAI,OAAO,SAAS,KAAK,UAAU;YAAE,CAAC,QAAQ,GAAG,SAAS,CAAC,EAAE,CAAC,SAAS,GAAG,IAAI,CAAC,CAAC;QAChF,IAAI,SAAS,IAAI,IAAI;YAAE,SAAS,GAAG,IAAI,CAAC;QAExC,OAAO,IAAA,oCAAgB,EACrB,IAAI,CAAC,MAAM,EACX,IAAI,8BAAkB,CAAC,IAAI,CAAC,SAAS,EAAE,IAAI,CAAC,SAAS,CAAC,EAAE;YACtD,GAAG,IAAI,CAAC,QAAQ,CAAC;YACjB,GAAG,IAAI,CAAC,aAAa;YACrB,OAAO,EAAE,SAAS;SACnB,CAAC,EACF,QAAQ,CACT,CAAC;IACJ,CAAC;IAID,KAAK,CAAC,MAAgB;QACpB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,MAAM,EAAE,CAAC,CAAC;QACjC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,oDAAoD;IACpD,KAAK,CAAC,MAAc;QAClB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,MAAM,EAAE,CAAC,CAAC;QACjC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,oDAAoD;IACpD,KAAK,CAAC,MAAgB;QACpB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,MAAM,EAAE,CAAC,CAAC;QACjC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,mDAAmD;IACnD,GAAG,CAAC,IAA2C;QAC7C,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,IAAI,EAAE,CAAC,CAAC;QAC/B,OAAO,IAAI,CAAC;IACd,CAAC;IAED;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;OAwCG;IACH,OAAO,CAAgC,QAAkB;QACvD,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,QAAQ,EAAE,CAAC,CAAC;QACnC,OAAO,IAAuC,CAAC;IACjD,CAAC;IAED,qDAAqD;IACrD,MAAM,CAAC,OAAiB;QACtB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,OAAO,EAAE,CAAC,CAAC;QAClC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,qDAAqD;IACrD,MAAM,CAAC,OAAiB;QACtB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,OAAO,EAAE,CAAC,CAAC;QAClC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,mDAAmD;IACnD,IAAI,CAAC,KAAa;QAChB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,KAAK,EAAE,CAAC,CAAC;QAChC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,mDAAmD;IACnD,IAAI,CAAC,KAAW;QACd,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,KAAK,EAAE,CAAC,CAAC;QAChC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,qDAAqD;IACrD,MAAM,CAAC,OAA0B;QAC/B,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,OAAO,EAAE,CAAC,CAAC;QAClC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,qBAAqB;IACrB,kEAAkE;IAClE,OAAO,CAAC,QAAkB;QACxB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,QAAQ,EAAE,CAAC,CAAC;QACnC,OAAO,IAAI,CAAC;IACd,CAAC;CACF;AAhMD,8CAgMC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cursor/change_stream_cursor.js b/node_modules/mongodb/lib/cursor/change_stream_cursor.js
new file mode 100644
index 000000000..471fb6cd3
--- /dev/null
+++ b/node_modules/mongodb/lib/cursor/change_stream_cursor.js
@@ -0,0 +1,115 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ChangeStreamCursor = void 0;
+const change_stream_1 = require("../change_stream");
+const constants_1 = require("../constants");
+const aggregate_1 = require("../operations/aggregate");
+const execute_operation_1 = require("../operations/execute_operation");
+const utils_1 = require("../utils");
+const abstract_cursor_1 = require("./abstract_cursor");
+/** @internal */
+class ChangeStreamCursor extends abstract_cursor_1.AbstractCursor {
+    constructor(client, namespace, pipeline = [], options = {}) {
+        super(client, namespace, options);
+        this.pipeline = pipeline;
+        this.options = options;
+        this._resumeToken = null;
+        this.startAtOperationTime = options.startAtOperationTime;
+        if (options.startAfter) {
+            this.resumeToken = options.startAfter;
+        }
+        else if (options.resumeAfter) {
+            this.resumeToken = options.resumeAfter;
+        }
+    }
+    set resumeToken(token) {
+        this._resumeToken = token;
+        this.emit(change_stream_1.ChangeStream.RESUME_TOKEN_CHANGED, token);
+    }
+    get resumeToken() {
+        return this._resumeToken;
+    }
+    get resumeOptions() {
+        const options = {
+            ...this.options
+        };
+        for (const key of ['resumeAfter', 'startAfter', 'startAtOperationTime']) {
+            delete options[key];
+        }
+        if (this.resumeToken != null) {
+            if (this.options.startAfter && !this.hasReceived) {
+                options.startAfter = this.resumeToken;
+            }
+            else {
+                options.resumeAfter = this.resumeToken;
+            }
+        }
+        else if (this.startAtOperationTime != null && (0, utils_1.maxWireVersion)(this.server) >= 7) {
+            options.startAtOperationTime = this.startAtOperationTime;
+        }
+        return options;
+    }
+    cacheResumeToken(resumeToken) {
+        if (this.bufferedCount() === 0 && this.postBatchResumeToken) {
+            this.resumeToken = this.postBatchResumeToken;
+        }
+        else {
+            this.resumeToken = resumeToken;
+        }
+        this.hasReceived = true;
+    }
+    _processBatch(response) {
+        const cursor = response.cursor;
+        if (cursor.postBatchResumeToken) {
+            this.postBatchResumeToken = response.cursor.postBatchResumeToken;
+            const batch = 'firstBatch' in response.cursor ? response.cursor.firstBatch : response.cursor.nextBatch;
+            if (batch.length === 0) {
+                this.resumeToken = cursor.postBatchResumeToken;
+            }
+        }
+    }
+    clone() {
+        return new ChangeStreamCursor(this.client, this.namespace, this.pipeline, {
+            ...this.cursorOptions
+        });
+    }
+    _initialize(session, callback) {
+        const aggregateOperation = new aggregate_1.AggregateOperation(this.namespace, this.pipeline, {
+            ...this.cursorOptions,
+            ...this.options,
+            session
+        });
+        (0, execute_operation_1.executeOperation)(session.client, aggregateOperation, (err, response) => {
+            if (err || response == null) {
+                return callback(err);
+            }
+            const server = aggregateOperation.server;
+            this.maxWireVersion = (0, utils_1.maxWireVersion)(server);
+            if (this.startAtOperationTime == null &&
+                this.resumeAfter == null &&
+                this.startAfter == null &&
+                this.maxWireVersion >= 7) {
+                this.startAtOperationTime = response.operationTime;
+            }
+            this._processBatch(response);
+            this.emit(constants_1.INIT, response);
+            this.emit(constants_1.RESPONSE);
+            // TODO: NODE-2882
+            callback(undefined, { server, session, response });
+        });
+    }
+    _getMore(batchSize, callback) {
+        super._getMore(batchSize, (err, response) => {
+            if (err) {
+                return callback(err);
+            }
+            this.maxWireVersion = (0, utils_1.maxWireVersion)(this.server);
+            this._processBatch(response);
+            this.emit(change_stream_1.ChangeStream.MORE, response);
+            this.emit(change_stream_1.ChangeStream.RESPONSE);
+            callback(err, response);
+        });
+    }
+}
+exports.ChangeStreamCursor = ChangeStreamCursor;
+//# sourceMappingURL=change_stream_cursor.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cursor/change_stream_cursor.js.map b/node_modules/mongodb/lib/cursor/change_stream_cursor.js.map
new file mode 100644
index 000000000..259e3ded1
--- /dev/null
+++ b/node_modules/mongodb/lib/cursor/change_stream_cursor.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"change_stream_cursor.js","sourceRoot":"","sources":["../../src/cursor/change_stream_cursor.ts"],"names":[],"mappings":";;;AACA,oDAM0B;AAC1B,4CAA8C;AAG9C,uDAA6D;AAE7D,uEAAyF;AAEzF,oCAAgF;AAChF,uDAA+E;AAwB/E,gBAAgB;AAChB,MAAa,kBAGX,SAAQ,gCAA2C;IAkBnD,YACE,MAAmB,EACnB,SAA2B,EAC3B,WAAuB,EAAE,EACzB,UAAqC,EAAE;QAEvC,KAAK,CAAC,MAAM,EAAE,SAAS,EAAE,OAAO,CAAC,CAAC;QAElC,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,YAAY,GAAG,IAAI,CAAC;QACzB,IAAI,CAAC,oBAAoB,GAAG,OAAO,CAAC,oBAAoB,CAAC;QAEzD,IAAI,OAAO,CAAC,UAAU,EAAE;YACtB,IAAI,CAAC,WAAW,GAAG,OAAO,CAAC,UAAU,CAAC;SACvC;aAAM,IAAI,OAAO,CAAC,WAAW,EAAE;YAC9B,IAAI,CAAC,WAAW,GAAG,OAAO,CAAC,WAAW,CAAC;SACxC;IACH,CAAC;IAED,IAAI,WAAW,CAAC,KAAkB;QAChC,IAAI,CAAC,YAAY,GAAG,KAAK,CAAC;QAC1B,IAAI,CAAC,IAAI,CAAC,4BAAY,CAAC,oBAAoB,EAAE,KAAK,CAAC,CAAC;IACtD,CAAC;IAED,IAAI,WAAW;QACb,OAAO,IAAI,CAAC,YAAY,CAAC;IAC3B,CAAC;IAED,IAAI,aAAa;QACf,MAAM,OAAO,GAA8B;YACzC,GAAG,IAAI,CAAC,OAAO;SAChB,CAAC;QAEF,KAAK,MAAM,GAAG,IAAI,CAAC,aAAa,EAAE,YAAY,EAAE,sBAAsB,CAAU,EAAE;YAChF,OAAO,OAAO,CAAC,GAAG,CAAC,CAAC;SACrB;QAED,IAAI,IAAI,CAAC,WAAW,IAAI,IAAI,EAAE;YAC5B,IAAI,IAAI,CAAC,OAAO,CAAC,UAAU,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE;gBAChD,OAAO,CAAC,UAAU,GAAG,IAAI,CAAC,WAAW,CAAC;aACvC;iBAAM;gBACL,OAAO,CAAC,WAAW,GAAG,IAAI,CAAC,WAAW,CAAC;aACxC;SACF;aAAM,IAAI,IAAI,CAAC,oBAAoB,IAAI,IAAI,IAAI,IAAA,sBAAc,EAAC,IAAI,CAAC,MAAM,CAAC,IAAI,CAAC,EAAE;YAChF,OAAO,CAAC,oBAAoB,GAAG,IAAI,CAAC,oBAAoB,CAAC;SAC1D;QAED,OAAO,OAAO,CAAC;IACjB,CAAC;IAED,gBAAgB,CAAC,WAAwB;QACvC,IAAI,IAAI,CAAC,aAAa,EAAE,KAAK,CAAC,IAAI,IAAI,CAAC,oBAAoB,EAAE;YAC3D,IAAI,CAAC,WAAW,GAAG,IAAI,CAAC,oBAAoB,CAAC;SAC9C;aAAM;YACL,IAAI,CAAC,WAAW,GAAG,WAAW,CAAC;SAChC;QACD,IAAI,CAAC,WAAW,GAAG,IAAI,CAAC;IAC1B,CAAC;IAED,aAAa,CAAC,QAAiD;QAC7D,MAAM,MAAM,GAAG,QAAQ,CAAC,MAAM,CAAC;QAC/B,IAAI,MAAM,CAAC,oBAAoB,EAAE;YAC/B,IAAI,CAAC,oBAAoB,GAAG,QAAQ,CAAC,MAAM,CAAC,oBAAoB,CAAC;YAEjE,MAAM,KAAK,GACT,YAAY,IAAI,QAAQ,CAAC,MAAM,CAAC,CAAC,CAAC,QAAQ,CAAC,MAAM,CAAC,UAAU,CAAC,CAAC,CAAC,QAAQ,CAAC,MAAM,CAAC,SAAS,CAAC;YAC3F,IAAI,KAAK,CAAC,MAAM,KAAK,CAAC,EAAE;gBACtB,IAAI,CAAC,WAAW,GAAG,MAAM,CAAC,oBAAoB,CAAC;aAChD;SACF;IACH,CAAC;IAED,KAAK;QACH,OAAO,IAAI,kBAAkB,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,SAAS,EAAE,IAAI,CAAC,QAAQ,EAAE;YACxE,GAAG,IAAI,CAAC,aAAa;SACtB,CAAC,CAAC;IACL,CAAC;IAED,WAAW,CAAC,OAAsB,EAAE,QAAmC;QACrE,MAAM,kBAAkB,GAAG,IAAI,8BAAkB,CAAC,IAAI,CAAC,SAAS,EAAE,IAAI,CAAC,QAAQ,EAAE;YAC/E,GAAG,IAAI,CAAC,aAAa;YACrB,GAAG,IAAI,CAAC,OAAO;YACf,OAAO;SACR,CAAC,CAAC;QAEH,IAAA,oCAAgB,EACd,OAAO,CAAC,MAAM,EACd,kBAAkB,EAClB,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;YAChB,IAAI,GAAG,IAAI,QAAQ,IAAI,IAAI,EAAE;gBAC3B,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;aACtB;YAED,MAAM,MAAM,GAAG,kBAAkB,CAAC,MAAM,CAAC;YACzC,IAAI,CAAC,cAAc,GAAG,IAAA,sBAAc,EAAC,MAAM,CAAC,CAAC;YAE7C,IACE,IAAI,CAAC,oBAAoB,IAAI,IAAI;gBACjC,IAAI,CAAC,WAAW,IAAI,IAAI;gBACxB,IAAI,CAAC,UAAU,IAAI,IAAI;gBACvB,IAAI,CAAC,cAAc,IAAI,CAAC,EACxB;gBACA,IAAI,CAAC,oBAAoB,GAAG,QAAQ,CAAC,aAAa,CAAC;aACpD;YAED,IAAI,CAAC,aAAa,CAAC,QAAQ,CAAC,CAAC;YAE7B,IAAI,CAAC,IAAI,CAAC,gBAAI,EAAE,QAAQ,CAAC,CAAC;YAC1B,IAAI,CAAC,IAAI,CAAC,oBAAQ,CAAC,CAAC;YAEpB,kBAAkB;YAClB,QAAQ,CAAC,SAAS,EAAE,EAAE,MAAM,EAAE,OAAO,EAAE,QAAQ,EAAE,CAAC,CAAC;QACrD,CAAC,CACF,CAAC;IACJ,CAAC;IAEQ,QAAQ,CAAC,SAAiB,EAAE,QAAkB;QACrD,KAAK,CAAC,QAAQ,CAAC,SAAS,EAAE,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;YAC1C,IAAI,GAAG,EAAE;gBACP,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;aACtB;YAED,IAAI,CAAC,cAAc,GAAG,IAAA,sBAAc,EAAC,IAAI,CAAC,MAAM,CAAC,CAAC;YAClD,IAAI,CAAC,aAAa,CAAC,QAAqE,CAAC,CAAC;YAE1F,IAAI,CAAC,IAAI,CAAC,4BAAY,CAAC,IAAI,EAAE,QAAQ,CAAC,CAAC;YACvC,IAAI,CAAC,IAAI,CAAC,4BAAY,CAAC,QAAQ,CAAC,CAAC;YACjC,QAAQ,CAAC,GAAG,EAAE,QAAQ,CAAC,CAAC;QAC1B,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAxJD,gDAwJC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cursor/find_cursor.js b/node_modules/mongodb/lib/cursor/find_cursor.js
new file mode 100644
index 000000000..072bf789d
--- /dev/null
+++ b/node_modules/mongodb/lib/cursor/find_cursor.js
@@ -0,0 +1,382 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.FindCursor = exports.FLAGS = void 0;
+const error_1 = require("../error");
+const count_1 = require("../operations/count");
+const execute_operation_1 = require("../operations/execute_operation");
+const find_1 = require("../operations/find");
+const sort_1 = require("../sort");
+const utils_1 = require("../utils");
+const abstract_cursor_1 = require("./abstract_cursor");
+/** @internal */
+const kFilter = Symbol('filter');
+/** @internal */
+const kNumReturned = Symbol('numReturned');
+/** @internal */
+const kBuiltOptions = Symbol('builtOptions');
+/** @public Flags allowed for cursor */
+exports.FLAGS = [
+    'tailable',
+    'oplogReplay',
+    'noCursorTimeout',
+    'awaitData',
+    'exhaust',
+    'partial'
+];
+/** @public */
+class FindCursor extends abstract_cursor_1.AbstractCursor {
+    /** @internal */
+    constructor(client, namespace, filter, options = {}) {
+        super(client, namespace, options);
+        this[kFilter] = filter || {};
+        this[kBuiltOptions] = options;
+        if (options.sort != null) {
+            this[kBuiltOptions].sort = (0, sort_1.formatSort)(options.sort);
+        }
+    }
+    clone() {
+        const clonedOptions = (0, utils_1.mergeOptions)({}, this[kBuiltOptions]);
+        delete clonedOptions.session;
+        return new FindCursor(this.client, this.namespace, this[kFilter], {
+            ...clonedOptions
+        });
+    }
+    map(transform) {
+        return super.map(transform);
+    }
+    /** @internal */
+    _initialize(session, callback) {
+        const findOperation = new find_1.FindOperation(undefined, this.namespace, this[kFilter], {
+            ...this[kBuiltOptions],
+            ...this.cursorOptions,
+            session
+        });
+        (0, execute_operation_1.executeOperation)(this.client, findOperation, (err, response) => {
+            if (err || response == null)
+                return callback(err);
+            // TODO: We only need this for legacy queries that do not support `limit`, maybe
+            //       the value should only be saved in those cases.
+            if (response.cursor) {
+                this[kNumReturned] = response.cursor.firstBatch.length;
+            }
+            else {
+                this[kNumReturned] = response.documents ? response.documents.length : 0;
+            }
+            // TODO: NODE-2882
+            callback(undefined, { server: findOperation.server, session, response });
+        });
+    }
+    /** @internal */
+    _getMore(batchSize, callback) {
+        // NOTE: this is to support client provided limits in pre-command servers
+        const numReturned = this[kNumReturned];
+        if (numReturned) {
+            const limit = this[kBuiltOptions].limit;
+            batchSize =
+                limit && limit > 0 && numReturned + batchSize > limit ? limit - numReturned : batchSize;
+            if (batchSize <= 0) {
+                return this.close(callback);
+            }
+        }
+        super._getMore(batchSize, (err, response) => {
+            if (err)
+                return callback(err);
+            // TODO: wrap this in some logic to prevent it from happening if we don't need this support
+            if (response) {
+                this[kNumReturned] = this[kNumReturned] + response.cursor.nextBatch.length;
+            }
+            callback(undefined, response);
+        });
+    }
+    count(options, callback) {
+        (0, utils_1.emitWarningOnce)('cursor.count is deprecated and will be removed in the next major version, please use `collection.estimatedDocumentCount` or `collection.countDocuments` instead ');
+        if (typeof options === 'boolean') {
+            throw new error_1.MongoInvalidArgumentError('Invalid first parameter to count');
+        }
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return (0, execute_operation_1.executeOperation)(this.client, new count_1.CountOperation(this.namespace, this[kFilter], {
+            ...this[kBuiltOptions],
+            ...this.cursorOptions,
+            ...options
+        }), callback);
+    }
+    explain(verbosity, callback) {
+        if (typeof verbosity === 'function')
+            (callback = verbosity), (verbosity = true);
+        if (verbosity == null)
+            verbosity = true;
+        return (0, execute_operation_1.executeOperation)(this.client, new find_1.FindOperation(undefined, this.namespace, this[kFilter], {
+            ...this[kBuiltOptions],
+            ...this.cursorOptions,
+            explain: verbosity
+        }), callback);
+    }
+    /** Set the cursor query */
+    filter(filter) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kFilter] = filter;
+        return this;
+    }
+    /**
+     * Set the cursor hint
+     *
+     * @param hint - If specified, then the query system will only consider plans using the hinted index.
+     */
+    hint(hint) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].hint = hint;
+        return this;
+    }
+    /**
+     * Set the cursor min
+     *
+     * @param min - Specify a $min value to specify the inclusive lower bound for a specific index in order to constrain the results of find(). The $min specifies the lower bound for all keys of a specific index in order.
+     */
+    min(min) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].min = min;
+        return this;
+    }
+    /**
+     * Set the cursor max
+     *
+     * @param max - Specify a $max value to specify the exclusive upper bound for a specific index in order to constrain the results of find(). The $max specifies the upper bound for all keys of a specific index in order.
+     */
+    max(max) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].max = max;
+        return this;
+    }
+    /**
+     * Set the cursor returnKey.
+     * If set to true, modifies the cursor to only return the index field or fields for the results of the query, rather than documents.
+     * If set to true and the query does not use an index to perform the read operation, the returned documents will not contain any fields.
+     *
+     * @param value - the returnKey value.
+     */
+    returnKey(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].returnKey = value;
+        return this;
+    }
+    /**
+     * Modifies the output of a query by adding a field $recordId to matching documents. $recordId is the internal key which uniquely identifies a document in a collection.
+     *
+     * @param value - The $showDiskLoc option has now been deprecated and replaced with the showRecordId field. $showDiskLoc will still be accepted for OP_QUERY stye find.
+     */
+    showRecordId(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].showRecordId = value;
+        return this;
+    }
+    /**
+     * Add a query modifier to the cursor query
+     *
+     * @param name - The query modifier (must start with $, such as $orderby etc)
+     * @param value - The modifier value.
+     */
+    addQueryModifier(name, value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (name[0] !== '$') {
+            throw new error_1.MongoInvalidArgumentError(`${name} is not a valid query modifier`);
+        }
+        // Strip of the $
+        const field = name.substr(1);
+        // NOTE: consider some TS magic for this
+        switch (field) {
+            case 'comment':
+                this[kBuiltOptions].comment = value;
+                break;
+            case 'explain':
+                this[kBuiltOptions].explain = value;
+                break;
+            case 'hint':
+                this[kBuiltOptions].hint = value;
+                break;
+            case 'max':
+                this[kBuiltOptions].max = value;
+                break;
+            case 'maxTimeMS':
+                this[kBuiltOptions].maxTimeMS = value;
+                break;
+            case 'min':
+                this[kBuiltOptions].min = value;
+                break;
+            case 'orderby':
+                this[kBuiltOptions].sort = (0, sort_1.formatSort)(value);
+                break;
+            case 'query':
+                this[kFilter] = value;
+                break;
+            case 'returnKey':
+                this[kBuiltOptions].returnKey = value;
+                break;
+            case 'showDiskLoc':
+                this[kBuiltOptions].showRecordId = value;
+                break;
+            default:
+                throw new error_1.MongoInvalidArgumentError(`Invalid query modifier: ${name}`);
+        }
+        return this;
+    }
+    /**
+     * Add a comment to the cursor query allowing for tracking the comment in the log.
+     *
+     * @param value - The comment attached to this query.
+     */
+    comment(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].comment = value;
+        return this;
+    }
+    /**
+     * Set a maxAwaitTimeMS on a tailing cursor query to allow to customize the timeout value for the option awaitData (Only supported on MongoDB 3.2 or higher, ignored otherwise)
+     *
+     * @param value - Number of milliseconds to wait before aborting the tailed query.
+     */
+    maxAwaitTimeMS(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (typeof value !== 'number') {
+            throw new error_1.MongoInvalidArgumentError('Argument for maxAwaitTimeMS must be a number');
+        }
+        this[kBuiltOptions].maxAwaitTimeMS = value;
+        return this;
+    }
+    /**
+     * Set a maxTimeMS on the cursor query, allowing for hard timeout limits on queries (Only supported on MongoDB 2.6 or higher)
+     *
+     * @param value - Number of milliseconds to wait before aborting the query.
+     */
+    maxTimeMS(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (typeof value !== 'number') {
+            throw new error_1.MongoInvalidArgumentError('Argument for maxTimeMS must be a number');
+        }
+        this[kBuiltOptions].maxTimeMS = value;
+        return this;
+    }
+    /**
+     * Add a project stage to the aggregation pipeline
+     *
+     * @remarks
+     * In order to strictly type this function you must provide an interface
+     * that represents the effect of your projection on the result documents.
+     *
+     * By default chaining a projection to your cursor changes the returned type to the generic
+     * {@link Document} type.
+     * You should specify a parameterized type to have assertions on your final results.
+     *
+     * @example
+     * ```typescript
+     * // Best way
+     * const docs: FindCursor<{ a: number }> = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * // Flexible way
+     * const docs: FindCursor<Document> = cursor.project({ _id: 0, a: true });
+     * ```
+     *
+     * @remarks
+     *
+     * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+     * it **does not** return a new instance of a cursor. This means when calling project,
+     * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+     * Take note of the following example:
+     *
+     * @example
+     * ```typescript
+     * const cursor: FindCursor<{ a: number; b: string }> = coll.find();
+     * const projectCursor = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * const aPropOnlyArray: {a: number}[] = await projectCursor.toArray();
+     *
+     * // or always use chaining and save the final cursor
+     *
+     * const cursor = coll.find().project<{ a: string }>({
+     *   _id: 0,
+     *   a: { $convert: { input: '$a', to: 'string' }
+     * }});
+     * ```
+     */
+    project(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].projection = value;
+        return this;
+    }
+    /**
+     * Sets the sort order of the cursor query.
+     *
+     * @param sort - The key or keys set for the sort.
+     * @param direction - The direction of the sorting (1 or -1).
+     */
+    sort(sort, direction) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (this[kBuiltOptions].tailable) {
+            throw new error_1.MongoTailableCursorError('Tailable cursor does not support sorting');
+        }
+        this[kBuiltOptions].sort = (0, sort_1.formatSort)(sort, direction);
+        return this;
+    }
+    /**
+     * Allows disk use for blocking sort operations exceeding 100MB memory. (MongoDB 3.2 or higher)
+     *
+     * @remarks
+     * {@link https://docs.mongodb.com/manual/reference/command/find/#find-cmd-allowdiskuse | find command allowDiskUse documentation}
+     */
+    allowDiskUse(allow = true) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (!this[kBuiltOptions].sort) {
+            throw new error_1.MongoInvalidArgumentError('Option "allowDiskUse" requires a sort specification');
+        }
+        // As of 6.0 the default is true. This allows users to get back to the old behaviour.
+        if (!allow) {
+            this[kBuiltOptions].allowDiskUse = false;
+            return this;
+        }
+        this[kBuiltOptions].allowDiskUse = true;
+        return this;
+    }
+    /**
+     * Set the collation options for the cursor.
+     *
+     * @param value - The cursor collation options (MongoDB 3.4 or higher) settings for update operation (see 3.4 documentation for available fields).
+     */
+    collation(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].collation = value;
+        return this;
+    }
+    /**
+     * Set the limit for the cursor.
+     *
+     * @param value - The limit for the cursor query.
+     */
+    limit(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (this[kBuiltOptions].tailable) {
+            throw new error_1.MongoTailableCursorError('Tailable cursor does not support limit');
+        }
+        if (typeof value !== 'number') {
+            throw new error_1.MongoInvalidArgumentError('Operation "limit" requires an integer');
+        }
+        this[kBuiltOptions].limit = value;
+        return this;
+    }
+    /**
+     * Set the skip for the cursor.
+     *
+     * @param value - The skip for the cursor query.
+     */
+    skip(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (this[kBuiltOptions].tailable) {
+            throw new error_1.MongoTailableCursorError('Tailable cursor does not support skip');
+        }
+        if (typeof value !== 'number') {
+            throw new error_1.MongoInvalidArgumentError('Operation "skip" requires an integer');
+        }
+        this[kBuiltOptions].skip = value;
+        return this;
+    }
+}
+exports.FindCursor = FindCursor;
+//# sourceMappingURL=find_cursor.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cursor/find_cursor.js.map b/node_modules/mongodb/lib/cursor/find_cursor.js.map
new file mode 100644
index 000000000..83595a744
--- /dev/null
+++ b/node_modules/mongodb/lib/cursor/find_cursor.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cursor/list_collections_cursor.js b/node_modules/mongodb/lib/cursor/list_collections_cursor.js
new file mode 100644
index 000000000..883474b08
--- /dev/null
+++ b/node_modules/mongodb/lib/cursor/list_collections_cursor.js
@@ -0,0 +1,37 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ListCollectionsCursor = void 0;
+const execute_operation_1 = require("../operations/execute_operation");
+const list_collections_1 = require("../operations/list_collections");
+const abstract_cursor_1 = require("./abstract_cursor");
+/** @public */
+class ListCollectionsCursor extends abstract_cursor_1.AbstractCursor {
+    constructor(db, filter, options) {
+        super(db.s.client, db.s.namespace, options);
+        this.parent = db;
+        this.filter = filter;
+        this.options = options;
+    }
+    clone() {
+        return new ListCollectionsCursor(this.parent, this.filter, {
+            ...this.options,
+            ...this.cursorOptions
+        });
+    }
+    /** @internal */
+    _initialize(session, callback) {
+        const operation = new list_collections_1.ListCollectionsOperation(this.parent, this.filter, {
+            ...this.cursorOptions,
+            ...this.options,
+            session
+        });
+        (0, execute_operation_1.executeOperation)(this.parent.s.client, operation, (err, response) => {
+            if (err || response == null)
+                return callback(err);
+            // TODO: NODE-2882
+            callback(undefined, { server: operation.server, session, response });
+        });
+    }
+}
+exports.ListCollectionsCursor = ListCollectionsCursor;
+//# sourceMappingURL=list_collections_cursor.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cursor/list_collections_cursor.js.map b/node_modules/mongodb/lib/cursor/list_collections_cursor.js.map
new file mode 100644
index 000000000..2f8ecbe33
--- /dev/null
+++ b/node_modules/mongodb/lib/cursor/list_collections_cursor.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"list_collections_cursor.js","sourceRoot":"","sources":["../../src/cursor/list_collections_cursor.ts"],"names":[],"mappings":";;;AAEA,uEAAoF;AACpF,qEAIwC;AAGxC,uDAAmD;AAEnD,cAAc;AACd,MAAa,qBAIX,SAAQ,gCAAiB;IAKzB,YAAY,EAAM,EAAE,MAAgB,EAAE,OAAgC;QACpE,KAAK,CAAC,EAAE,CAAC,CAAC,CAAC,MAAM,EAAE,EAAE,CAAC,CAAC,CAAC,SAAS,EAAE,OAAO,CAAC,CAAC;QAC5C,IAAI,CAAC,MAAM,GAAG,EAAE,CAAC;QACjB,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;QACrB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IAED,KAAK;QACH,OAAO,IAAI,qBAAqB,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,MAAM,EAAE;YACzD,GAAG,IAAI,CAAC,OAAO;YACf,GAAG,IAAI,CAAC,aAAa;SACtB,CAAC,CAAC;IACL,CAAC;IAED,gBAAgB;IAChB,WAAW,CAAC,OAAkC,EAAE,QAAmC;QACjF,MAAM,SAAS,GAAG,IAAI,2CAAwB,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,MAAM,EAAE;YACvE,GAAG,IAAI,CAAC,aAAa;YACrB,GAAG,IAAI,CAAC,OAAO;YACf,OAAO;SACR,CAAC,CAAC;QAEH,IAAA,oCAAgB,EAAC,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,MAAM,EAAE,SAAS,EAAE,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;YAClE,IAAI,GAAG,IAAI,QAAQ,IAAI,IAAI;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAElD,kBAAkB;YAClB,QAAQ,CAAC,SAAS,EAAE,EAAE,MAAM,EAAE,SAAS,CAAC,MAAM,EAAE,OAAO,EAAE,QAAQ,EAAE,CAAC,CAAC;QACvE,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAtCD,sDAsCC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cursor/list_indexes_cursor.js b/node_modules/mongodb/lib/cursor/list_indexes_cursor.js
new file mode 100644
index 000000000..7d62d78fd
--- /dev/null
+++ b/node_modules/mongodb/lib/cursor/list_indexes_cursor.js
@@ -0,0 +1,36 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ListIndexesCursor = void 0;
+const execute_operation_1 = require("../operations/execute_operation");
+const indexes_1 = require("../operations/indexes");
+const abstract_cursor_1 = require("./abstract_cursor");
+/** @public */
+class ListIndexesCursor extends abstract_cursor_1.AbstractCursor {
+    constructor(collection, options) {
+        super(collection.s.db.s.client, collection.s.namespace, options);
+        this.parent = collection;
+        this.options = options;
+    }
+    clone() {
+        return new ListIndexesCursor(this.parent, {
+            ...this.options,
+            ...this.cursorOptions
+        });
+    }
+    /** @internal */
+    _initialize(session, callback) {
+        const operation = new indexes_1.ListIndexesOperation(this.parent, {
+            ...this.cursorOptions,
+            ...this.options,
+            session
+        });
+        (0, execute_operation_1.executeOperation)(this.parent.s.db.s.client, operation, (err, response) => {
+            if (err || response == null)
+                return callback(err);
+            // TODO: NODE-2882
+            callback(undefined, { server: operation.server, session, response });
+        });
+    }
+}
+exports.ListIndexesCursor = ListIndexesCursor;
+//# sourceMappingURL=list_indexes_cursor.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/cursor/list_indexes_cursor.js.map b/node_modules/mongodb/lib/cursor/list_indexes_cursor.js.map
new file mode 100644
index 000000000..f17b57685
--- /dev/null
+++ b/node_modules/mongodb/lib/cursor/list_indexes_cursor.js.map
@@ -0,0 +1 @@
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diff --git a/node_modules/mongodb/lib/db.js b/node_modules/mongodb/lib/db.js
new file mode 100644
index 000000000..a9e5af5ed
--- /dev/null
+++ b/node_modules/mongodb/lib/db.js
@@ -0,0 +1,337 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Db = void 0;
+const admin_1 = require("./admin");
+const bson_1 = require("./bson");
+const change_stream_1 = require("./change_stream");
+const collection_1 = require("./collection");
+const CONSTANTS = require("./constants");
+const aggregation_cursor_1 = require("./cursor/aggregation_cursor");
+const list_collections_cursor_1 = require("./cursor/list_collections_cursor");
+const error_1 = require("./error");
+const logger_1 = require("./logger");
+const add_user_1 = require("./operations/add_user");
+const collections_1 = require("./operations/collections");
+const create_collection_1 = require("./operations/create_collection");
+const drop_1 = require("./operations/drop");
+const execute_operation_1 = require("./operations/execute_operation");
+const indexes_1 = require("./operations/indexes");
+const profiling_level_1 = require("./operations/profiling_level");
+const remove_user_1 = require("./operations/remove_user");
+const rename_1 = require("./operations/rename");
+const run_command_1 = require("./operations/run_command");
+const set_profiling_level_1 = require("./operations/set_profiling_level");
+const stats_1 = require("./operations/stats");
+const read_concern_1 = require("./read_concern");
+const read_preference_1 = require("./read_preference");
+const utils_1 = require("./utils");
+const write_concern_1 = require("./write_concern");
+// Allowed parameters
+const DB_OPTIONS_ALLOW_LIST = [
+    'writeConcern',
+    'readPreference',
+    'readPreferenceTags',
+    'native_parser',
+    'forceServerObjectId',
+    'pkFactory',
+    'serializeFunctions',
+    'raw',
+    'authSource',
+    'ignoreUndefined',
+    'readConcern',
+    'retryMiliSeconds',
+    'numberOfRetries',
+    'loggerLevel',
+    'logger',
+    'promoteBuffers',
+    'promoteLongs',
+    'bsonRegExp',
+    'enableUtf8Validation',
+    'promoteValues',
+    'compression',
+    'retryWrites'
+];
+/**
+ * The **Db** class is a class that represents a MongoDB Database.
+ * @public
+ *
+ * @example
+ * ```ts
+ * import { MongoClient } from 'mongodb';
+ *
+ * interface Pet {
+ *   name: string;
+ *   kind: 'dog' | 'cat' | 'fish';
+ * }
+ *
+ * const client = new MongoClient('mongodb://localhost:27017');
+ * const db = client.db();
+ *
+ * // Create a collection that validates our union
+ * await db.createCollection<Pet>('pets', {
+ *   validator: { $expr: { $in: ['$kind', ['dog', 'cat', 'fish']] } }
+ * })
+ * ```
+ */
+class Db {
+    /**
+     * Creates a new Db instance
+     *
+     * @param client - The MongoClient for the database.
+     * @param databaseName - The name of the database this instance represents.
+     * @param options - Optional settings for Db construction
+     */
+    constructor(client, databaseName, options) {
+        var _a;
+        options = options !== null && options !== void 0 ? options : {};
+        // Filter the options
+        options = (0, utils_1.filterOptions)(options, DB_OPTIONS_ALLOW_LIST);
+        // Ensure we have a valid db name
+        validateDatabaseName(databaseName);
+        // Internal state of the db object
+        this.s = {
+            // Client
+            client,
+            // Options
+            options,
+            // Logger instance
+            logger: new logger_1.Logger('Db', options),
+            // Unpack read preference
+            readPreference: read_preference_1.ReadPreference.fromOptions(options),
+            // Merge bson options
+            bsonOptions: (0, bson_1.resolveBSONOptions)(options, client),
+            // Set up the primary key factory or fallback to ObjectId
+            pkFactory: (_a = options === null || options === void 0 ? void 0 : options.pkFactory) !== null && _a !== void 0 ? _a : utils_1.DEFAULT_PK_FACTORY,
+            // ReadConcern
+            readConcern: read_concern_1.ReadConcern.fromOptions(options),
+            writeConcern: write_concern_1.WriteConcern.fromOptions(options),
+            // Namespace
+            namespace: new utils_1.MongoDBNamespace(databaseName)
+        };
+    }
+    get databaseName() {
+        return this.s.namespace.db;
+    }
+    // Options
+    get options() {
+        return this.s.options;
+    }
+    /**
+     * slaveOk specified
+     * @deprecated Use secondaryOk instead
+     */
+    get slaveOk() {
+        return this.secondaryOk;
+    }
+    /**
+     * Check if a secondary can be used (because the read preference is *not* set to primary)
+     */
+    get secondaryOk() {
+        var _a;
+        return ((_a = this.s.readPreference) === null || _a === void 0 ? void 0 : _a.preference) !== 'primary' || false;
+    }
+    get readConcern() {
+        return this.s.readConcern;
+    }
+    /**
+     * The current readPreference of the Db. If not explicitly defined for
+     * this Db, will be inherited from the parent MongoClient
+     */
+    get readPreference() {
+        if (this.s.readPreference == null) {
+            return this.s.client.readPreference;
+        }
+        return this.s.readPreference;
+    }
+    get bsonOptions() {
+        return this.s.bsonOptions;
+    }
+    // get the write Concern
+    get writeConcern() {
+        return this.s.writeConcern;
+    }
+    get namespace() {
+        return this.s.namespace.toString();
+    }
+    createCollection(name, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new create_collection_1.CreateCollectionOperation(this, name, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    command(command, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        // Intentionally, we do not inherit options from parent for this operation.
+        return (0, execute_operation_1.executeOperation)(this.s.client, new run_command_1.RunCommandOperation(this, command, options !== null && options !== void 0 ? options : {}), callback);
+    }
+    /**
+     * Execute an aggregation framework pipeline against the database, needs MongoDB \>= 3.6
+     *
+     * @param pipeline - An array of aggregation stages to be executed
+     * @param options - Optional settings for the command
+     */
+    aggregate(pipeline = [], options) {
+        if (arguments.length > 2) {
+            throw new error_1.MongoInvalidArgumentError('Method "db.aggregate()" accepts at most two arguments');
+        }
+        if (typeof pipeline === 'function') {
+            throw new error_1.MongoInvalidArgumentError('Argument "pipeline" must not be function');
+        }
+        if (typeof options === 'function') {
+            throw new error_1.MongoInvalidArgumentError('Argument "options" must not be function');
+        }
+        return new aggregation_cursor_1.AggregationCursor(this.s.client, this.s.namespace, pipeline, (0, utils_1.resolveOptions)(this, options));
+    }
+    /** Return the Admin db instance */
+    admin() {
+        return new admin_1.Admin(this);
+    }
+    /**
+     * Returns a reference to a MongoDB Collection. If it does not exist it will be created implicitly.
+     *
+     * @param name - the collection name we wish to access.
+     * @returns return the new Collection instance
+     */
+    collection(name, options = {}) {
+        if (typeof options === 'function') {
+            throw new error_1.MongoInvalidArgumentError('The callback form of this helper has been removed.');
+        }
+        const finalOptions = (0, utils_1.resolveOptions)(this, options);
+        return new collection_1.Collection(this, name, finalOptions);
+    }
+    stats(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new stats_1.DbStatsOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    listCollections(filter = {}, options = {}) {
+        return new list_collections_cursor_1.ListCollectionsCursor(this, filter, (0, utils_1.resolveOptions)(this, options));
+    }
+    renameCollection(fromCollection, toCollection, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        // Intentionally, we do not inherit options from parent for this operation.
+        options = { ...options, readPreference: read_preference_1.ReadPreference.PRIMARY };
+        // Add return new collection
+        options.new_collection = true;
+        return (0, execute_operation_1.executeOperation)(this.s.client, new rename_1.RenameOperation(this.collection(fromCollection), toCollection, options), callback);
+    }
+    dropCollection(name, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new drop_1.DropCollectionOperation(this, name, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    dropDatabase(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new drop_1.DropDatabaseOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    collections(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new collections_1.CollectionsOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    createIndex(name, indexSpec, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new indexes_1.CreateIndexOperation(this, name, indexSpec, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    addUser(username, password, options, callback) {
+        if (typeof password === 'function') {
+            (callback = password), (password = undefined), (options = {});
+        }
+        else if (typeof password !== 'string') {
+            if (typeof options === 'function') {
+                (callback = options), (options = password), (password = undefined);
+            }
+            else {
+                (options = password), (callback = undefined), (password = undefined);
+            }
+        }
+        else {
+            if (typeof options === 'function')
+                (callback = options), (options = {});
+        }
+        return (0, execute_operation_1.executeOperation)(this.s.client, new add_user_1.AddUserOperation(this, username, password, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    removeUser(username, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new remove_user_1.RemoveUserOperation(this, username, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    setProfilingLevel(level, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new set_profiling_level_1.SetProfilingLevelOperation(this, level, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    profilingLevel(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new profiling_level_1.ProfilingLevelOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    indexInformation(name, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new indexes_1.IndexInformationOperation(this, name, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    /**
+     * Unref all sockets
+     * @deprecated This function is deprecated and will be removed in the next major version.
+     */
+    unref() {
+        (0, utils_1.getTopology)(this).unref();
+    }
+    /**
+     * Create a new Change Stream, watching for new changes (insertions, updates,
+     * replacements, deletions, and invalidations) in this database. Will ignore all
+     * changes to system collections.
+     *
+     * @remarks
+     * watch() accepts two generic arguments for distinct usecases:
+     * - The first is to provide the schema that may be defined for all the collections within this database
+     * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+     *
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+     * @param options - Optional settings for the command
+     * @typeParam TSchema - Type of the data being detected by the change stream
+     * @typeParam TChange - Type of the whole change stream document emitted
+     */
+    watch(pipeline = [], options = {}) {
+        // Allow optionally not specifying a pipeline
+        if (!Array.isArray(pipeline)) {
+            options = pipeline;
+            pipeline = [];
+        }
+        return new change_stream_1.ChangeStream(this, pipeline, (0, utils_1.resolveOptions)(this, options));
+    }
+    /** Return the db logger */
+    getLogger() {
+        return this.s.logger;
+    }
+    get logger() {
+        return this.s.logger;
+    }
+}
+exports.Db = Db;
+Db.SYSTEM_NAMESPACE_COLLECTION = CONSTANTS.SYSTEM_NAMESPACE_COLLECTION;
+Db.SYSTEM_INDEX_COLLECTION = CONSTANTS.SYSTEM_INDEX_COLLECTION;
+Db.SYSTEM_PROFILE_COLLECTION = CONSTANTS.SYSTEM_PROFILE_COLLECTION;
+Db.SYSTEM_USER_COLLECTION = CONSTANTS.SYSTEM_USER_COLLECTION;
+Db.SYSTEM_COMMAND_COLLECTION = CONSTANTS.SYSTEM_COMMAND_COLLECTION;
+Db.SYSTEM_JS_COLLECTION = CONSTANTS.SYSTEM_JS_COLLECTION;
+// TODO(NODE-3484): Refactor into MongoDBNamespace
+// Validate the database name
+function validateDatabaseName(databaseName) {
+    if (typeof databaseName !== 'string')
+        throw new error_1.MongoInvalidArgumentError('Database name must be a string');
+    if (databaseName.length === 0)
+        throw new error_1.MongoInvalidArgumentError('Database name cannot be the empty string');
+    if (databaseName === '$external')
+        return;
+    const invalidChars = [' ', '.', '$', '/', '\\'];
+    for (let i = 0; i < invalidChars.length; i++) {
+        if (databaseName.indexOf(invalidChars[i]) !== -1)
+            throw new error_1.MongoAPIError(`database names cannot contain the character '${invalidChars[i]}'`);
+    }
+}
+//# sourceMappingURL=db.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/db.js.map b/node_modules/mongodb/lib/db.js.map
new file mode 100644
index 000000000..fcc199994
--- /dev/null
+++ b/node_modules/mongodb/lib/db.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"db.js","sourceRoot":"","sources":["../src/db.ts"],"names":[],"mappings":";;;AAAA,mCAAgC;AAChC,iCAA4E;AAC5E,mDAA0F;AAC1F,6CAA6D;AAC7D,yCAAyC;AACzC,oEAAgE;AAChE,8EAAyE;AACzE,mCAAmE;AACnE,qCAAiD;AAGjD,oDAAyE;AAEzE,0DAAgE;AAEhE,sEAAoG;AACpG,4CAK2B;AAC3B,sEAAkE;AAClE,kDAK8B;AAE9B,kEAA8F;AAC9F,0DAAkF;AAClF,gDAAqE;AACrE,0DAAkF;AAClF,0EAI0C;AAC1C,8CAAsE;AACtE,iDAA6C;AAC7C,uDAAuE;AACvE,mCAOiB;AACjB,mDAAoE;AAEpE,qBAAqB;AACrB,MAAM,qBAAqB,GAAG;IAC5B,cAAc;IACd,gBAAgB;IAChB,oBAAoB;IACpB,eAAe;IACf,qBAAqB;IACrB,WAAW;IACX,oBAAoB;IACpB,KAAK;IACL,YAAY;IACZ,iBAAiB;IACjB,aAAa;IACb,kBAAkB;IAClB,iBAAiB;IACjB,aAAa;IACb,QAAQ;IACR,gBAAgB;IAChB,cAAc;IACd,YAAY;IACZ,sBAAsB;IACtB,eAAe;IACf,aAAa;IACb,aAAa;CACd,CAAC;AA+BF;;;;;;;;;;;;;;;;;;;;;GAqBG;AACH,MAAa,EAAE;IAWb;;;;;;OAMG;IACH,YAAY,MAAmB,EAAE,YAAoB,EAAE,OAAmB;;QACxE,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAExB,qBAAqB;QACrB,OAAO,GAAG,IAAA,qBAAa,EAAC,OAAO,EAAE,qBAAqB,CAAC,CAAC;QAExD,iCAAiC;QACjC,oBAAoB,CAAC,YAAY,CAAC,CAAC;QAEnC,kCAAkC;QAClC,IAAI,CAAC,CAAC,GAAG;YACP,SAAS;YACT,MAAM;YACN,UAAU;YACV,OAAO;YACP,kBAAkB;YAClB,MAAM,EAAE,IAAI,eAAM,CAAC,IAAI,EAAE,OAAO,CAAC;YACjC,yBAAyB;YACzB,cAAc,EAAE,gCAAc,CAAC,WAAW,CAAC,OAAO,CAAC;YACnD,qBAAqB;YACrB,WAAW,EAAE,IAAA,yBAAkB,EAAC,OAAO,EAAE,MAAM,CAAC;YAChD,yDAAyD;YACzD,SAAS,EAAE,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,SAAS,mCAAI,0BAAkB;YACnD,cAAc;YACd,WAAW,EAAE,0BAAW,CAAC,WAAW,CAAC,OAAO,CAAC;YAC7C,YAAY,EAAE,4BAAY,CAAC,WAAW,CAAC,OAAO,CAAC;YAC/C,YAAY;YACZ,SAAS,EAAE,IAAI,wBAAgB,CAAC,YAAY,CAAC;SAC9C,CAAC;IACJ,CAAC;IAED,IAAI,YAAY;QACd,OAAO,IAAI,CAAC,CAAC,CAAC,SAAS,CAAC,EAAE,CAAC;IAC7B,CAAC;IAED,UAAU;IACV,IAAI,OAAO;QACT,OAAO,IAAI,CAAC,CAAC,CAAC,OAAO,CAAC;IACxB,CAAC;IAED;;;OAGG;IACH,IAAI,OAAO;QACT,OAAO,IAAI,CAAC,WAAW,CAAC;IAC1B,CAAC;IAED;;OAEG;IACH,IAAI,WAAW;;QACb,OAAO,CAAA,MAAA,IAAI,CAAC,CAAC,CAAC,cAAc,0CAAE,UAAU,MAAK,SAAS,IAAI,KAAK,CAAC;IAClE,CAAC;IAED,IAAI,WAAW;QACb,OAAO,IAAI,CAAC,CAAC,CAAC,WAAW,CAAC;IAC5B,CAAC;IAED;;;OAGG;IACH,IAAI,cAAc;QAChB,IAAI,IAAI,CAAC,CAAC,CAAC,cAAc,IAAI,IAAI,EAAE;YACjC,OAAO,IAAI,CAAC,CAAC,CAAC,MAAM,CAAC,cAAc,CAAC;SACrC;QAED,OAAO,IAAI,CAAC,CAAC,CAAC,cAAc,CAAC;IAC/B,CAAC;IAED,IAAI,WAAW;QACb,OAAO,IAAI,CAAC,CAAC,CAAC,WAAW,CAAC;IAC5B,CAAC;IAED,wBAAwB;IACxB,IAAI,YAAY;QACd,OAAO,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC;IAC7B,CAAC;IAED,IAAI,SAAS;QACX,OAAO,IAAI,CAAC,CAAC,CAAC,SAAS,CAAC,QAAQ,EAAE,CAAC;IACrC,CAAC;IAyBD,gBAAgB,CACd,IAAY,EACZ,OAAwD,EACxD,QAA+B;QAE/B,IAAI,OAAO,OAAO,KAAK,UAAU;YAAE,CAAC,QAAQ,GAAG,OAAO,CAAC,EAAE,CAAC,OAAO,GAAG,EAAE,CAAC,CAAC;QAExE,OAAO,IAAA,oCAAgB,EACrB,IAAI,CAAC,CAAC,CAAC,MAAM,EACb,IAAI,6CAAyB,CAAC,IAAI,EAAE,IAAI,EAAE,IAAA,sBAAc,EAAC,IAAI,EAAE,OAAO,CAAC,CAAmB,EAC1F,QAAQ,CACS,CAAC;IACtB,CAAC;IAkBD,OAAO,CACL,OAAiB,EACjB,OAAgD,EAChD,QAA6B;QAE7B,IAAI,OAAO,OAAO,KAAK,UAAU;YAAE,CAAC,QAAQ,GAAG,OAAO,CAAC,EAAE,CAAC,OAAO,GAAG,EAAE,CAAC,CAAC;QAExE,2EAA2E;QAC3E,OAAO,IAAA,oCAAgB,EACrB,IAAI,CAAC,CAAC,CAAC,MAAM,EACb,IAAI,iCAAmB,CAAC,IAAI,EAAE,OAAO,EAAE,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC,EACrD,QAAQ,CACT,CAAC;IACJ,CAAC;IAED;;;;;OAKG;IACH,SAAS,CACP,WAAuB,EAAE,EACzB,OAA0B;QAE1B,IAAI,SAAS,CAAC,MAAM,GAAG,CAAC,EAAE;YACxB,MAAM,IAAI,iCAAyB,CAAC,uDAAuD,CAAC,CAAC;SAC9F;QACD,IAAI,OAAO,QAAQ,KAAK,UAAU,EAAE;YAClC,MAAM,IAAI,iCAAyB,CAAC,0CAA0C,CAAC,CAAC;SACjF;QACD,IAAI,OAAO,OAAO,KAAK,UAAU,EAAE;YACjC,MAAM,IAAI,iCAAyB,CAAC,yCAAyC,CAAC,CAAC;SAChF;QAED,OAAO,IAAI,sCAAiB,CAC1B,IAAI,CAAC,CAAC,CAAC,MAAM,EACb,IAAI,CAAC,CAAC,CAAC,SAAS,EAChB,QAAQ,EACR,IAAA,sBAAc,EAAC,IAAI,EAAE,OAAO,CAAC,CAC9B,CAAC;IACJ,CAAC;IAED,mCAAmC;IACnC,KAAK;QACH,OAAO,IAAI,aAAK,CAAC,IAAI,CAAC,CAAC;IACzB,CAAC;IAED;;;;;OAKG;IACH,UAAU,CACR,IAAY,EACZ,UAA6B,EAAE;QAE/B,IAAI,OAAO,OAAO,KAAK,UAAU,EAAE;YACjC,MAAM,IAAI,iCAAyB,CAAC,oDAAoD,CAAC,CAAC;SAC3F;QACD,MAAM,YAAY,GAAG,IAAA,sBAAc,EAAC,IAAI,EAAE,OAAO,CAAC,CAAC;QACnD,OAAO,IAAI,uBAAU,CAAU,IAAI,EAAE,IAAI,EAAE,YAAY,CAAC,CAAC;IAC3D,CAAC;IAcD,KAAK,CACH,OAA6C,EAC7C,QAA6B;QAE7B,IAAI,OAAO,OAAO,KAAK,UAAU;YAAE,CAAC,QAAQ,GAAG,OAAO,CAAC,EAAE,CAAC,OAAO,GAAG,EAAE,CAAC,CAAC;QACxE,OAAO,IAAA,oCAAgB,EACrB,IAAI,CAAC,CAAC,CAAC,MAAM,EACb,IAAI,wBAAgB,CAAC,IAAI,EAAE,IAAA,sBAAc,EAAC,IAAI,EAAE,OAAO,CAAC,CAAC,EACzD,QAAQ,CACT,CAAC;IACJ,CAAC;IAqBD,eAAe,CAIb,SAAmB,EAAE,EAAE,UAAkC,EAAE;QAC3D,OAAO,IAAI,+CAAqB,CAAI,IAAI,EAAE,MAAM,EAAE,IAAA,sBAAc,EAAC,IAAI,EAAE,OAAO,CAAC,CAAC,CAAC;IACnF,CAAC;IAmCD,gBAAgB,CACd,cAAsB,EACtB,YAAoB,EACpB,OAAuD,EACvD,QAAwC;QAExC,IAAI,OAAO,OAAO,KAAK,UAAU;YAAE,CAAC,QAAQ,GAAG,OAAO,CAAC,EAAE,CAAC,OAAO,GAAG,EAAE,CAAC,CAAC;QAExE,2EAA2E;QAC3E,OAAO,GAAG,EAAE,GAAG,OAAO,EAAE,cAAc,EAAE,gCAAc,CAAC,OAAO,EAAE,CAAC;QAEjE,4BAA4B;QAC5B,OAAO,CAAC,cAAc,GAAG,IAAI,CAAC;QAE9B,OAAO,IAAA,oCAAgB,EACrB,IAAI,CAAC,CAAC,CAAC,MAAM,EACb,IAAI,wBAAe,CACjB,IAAI,CAAC,UAAU,CAAU,cAAc,CAAmB,EAC1D,YAAY,EACZ,OAAO,CACU,EACnB,QAAQ,CACT,CAAC;IACJ,CAAC;IAeD,cAAc,CACZ,IAAY,EACZ,OAAmD,EACnD,QAA4B;QAE5B,IAAI,OAAO,OAAO,KAAK,UAAU;YAAE,CAAC,QAAQ,GAAG,OAAO,CAAC,EAAE,CAAC,OAAO,GAAG,EAAE,CAAC,CAAC;QAExE,OAAO,IAAA,oCAAgB,EACrB,IAAI,CAAC,CAAC,CAAC,MAAM,EACb,IAAI,8BAAuB,CAAC,IAAI,EAAE,IAAI,EAAE,IAAA,sBAAc,EAAC,IAAI,EAAE,OAAO,CAAC,CAAC,EACtE,QAAQ,CACT,CAAC;IACJ,CAAC;IAcD,YAAY,CACV,O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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/deps.js b/node_modules/mongodb/lib/deps.js
new file mode 100644
index 000000000..6a73e6322
--- /dev/null
+++ b/node_modules/mongodb/lib/deps.js
@@ -0,0 +1,63 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AutoEncryptionLoggerLevel = exports.aws4 = exports.saslprep = exports.Snappy = exports.ZStandard = exports.Kerberos = exports.PKG_VERSION = void 0;
+const error_1 = require("./error");
+const utils_1 = require("./utils");
+exports.PKG_VERSION = Symbol('kPkgVersion');
+function makeErrorModule(error) {
+    const props = error ? { kModuleError: error } : {};
+    return new Proxy(props, {
+        get: (_, key) => {
+            if (key === 'kModuleError') {
+                return error;
+            }
+            throw error;
+        },
+        set: () => {
+            throw error;
+        }
+    });
+}
+exports.Kerberos = makeErrorModule(new error_1.MongoMissingDependencyError('Optional module `kerberos` not found. Please install it to enable kerberos authentication'));
+try {
+    // Ensure you always wrap an optional require in the try block NODE-3199
+    exports.Kerberos = require('kerberos');
+}
+catch { } // eslint-disable-line
+exports.ZStandard = makeErrorModule(new error_1.MongoMissingDependencyError('Optional module `@mongodb-js/zstd` not found. Please install it to enable zstd compression'));
+try {
+    exports.ZStandard = require('@mongodb-js/zstd');
+}
+catch { } // eslint-disable-line
+exports.Snappy = makeErrorModule(new error_1.MongoMissingDependencyError('Optional module `snappy` not found. Please install it to enable snappy compression'));
+try {
+    // Ensure you always wrap an optional require in the try block NODE-3199
+    exports.Snappy = require('snappy');
+    try {
+        exports.Snappy[exports.PKG_VERSION] = (0, utils_1.parsePackageVersion)(require('snappy/package.json'));
+    }
+    catch { } // eslint-disable-line
+}
+catch { } // eslint-disable-line
+exports.saslprep = makeErrorModule(new error_1.MongoMissingDependencyError('Optional module `saslprep` not found.' +
+    ' Please install it to enable Stringprep Profile for User Names and Passwords'));
+try {
+    // Ensure you always wrap an optional require in the try block NODE-3199
+    exports.saslprep = require('saslprep');
+}
+catch { } // eslint-disable-line
+exports.aws4 = makeErrorModule(new error_1.MongoMissingDependencyError('Optional module `aws4` not found. Please install it to enable AWS authentication'));
+try {
+    // Ensure you always wrap an optional require in the try block NODE-3199
+    exports.aws4 = require('aws4');
+}
+catch { } // eslint-disable-line
+/** @public */
+exports.AutoEncryptionLoggerLevel = Object.freeze({
+    FatalError: 0,
+    Error: 1,
+    Warning: 2,
+    Info: 3,
+    Trace: 4
+});
+//# sourceMappingURL=deps.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/deps.js.map b/node_modules/mongodb/lib/deps.js.map
new file mode 100644
index 000000000..cd11aec10
--- /dev/null
+++ b/node_modules/mongodb/lib/deps.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"deps.js","sourceRoot":"","sources":["../src/deps.ts"],"names":[],"mappings":";;;AAGA,mCAAsD;AAEtD,mCAAwD;AAE3C,QAAA,WAAW,GAAG,MAAM,CAAC,aAAa,CAAC,CAAC;AAEjD,SAAS,eAAe,CAAC,KAAU;IACjC,MAAM,KAAK,GAAG,KAAK,CAAC,CAAC,CAAC,EAAE,YAAY,EAAE,KAAK,EAAE,CAAC,CAAC,CAAC,EAAE,CAAC;IACnD,OAAO,IAAI,KAAK,CAAC,KAAK,EAAE;QACtB,GAAG,EAAE,CAAC,CAAM,EAAE,GAAQ,EAAE,EAAE;YACxB,IAAI,GAAG,KAAK,cAAc,EAAE;gBAC1B,OAAO,KAAK,CAAC;aACd;YACD,MAAM,KAAK,CAAC;QACd,CAAC;QACD,GAAG,EAAE,GAAG,EAAE;YACR,MAAM,KAAK,CAAC;QACd,CAAC;KACF,CAAC,CAAC;AACL,CAAC;AAEU,QAAA,QAAQ,GACjB,eAAe,CACb,IAAI,mCAA2B,CAC7B,2FAA2F,CAC5F,CACF,CAAC;AAEJ,IAAI;IACF,wEAAwE;IACxE,gBAAQ,GAAG,OAAO,CAAC,UAAU,CAAC,CAAC;CAChC;AAAC,MAAM,GAAE,CAAC,sBAAsB;AAwBtB,QAAA,SAAS,GAClB,eAAe,CACb,IAAI,mCAA2B,CAC7B,4FAA4F,CAC7F,CACF,CAAC;AAEJ,IAAI;IACF,iBAAS,GAAG,OAAO,CAAC,kBAAkB,CAAC,CAAC;CACzC;AAAC,MAAM,GAAE,CAAC,sBAAsB;AAgCtB,QAAA,MAAM,GAA8D,eAAe,CAC5F,IAAI,mCAA2B,CAC7B,oFAAoF,CACrF,CACF,CAAC;AAEF,IAAI;IACF,wEAAwE;IACxE,cAAM,GAAG,OAAO,CAAC,QAAQ,CAAC,CAAC;IAC3B,IAAI;QACD,cAAc,CAAC,mBAAW,CAAC,GAAG,IAAA,2BAAmB,EAAC,OAAO,CAAC,qBAAqB,CAAC,CAAC,CAAC;KACpF;IAAC,MAAM,GAAE,CAAC,sBAAsB;CAClC;AAAC,MAAM,GAAE,CAAC,sBAAsB;AAEtB,QAAA,QAAQ,GACjB,eAAe,CACb,IAAI,mCAA2B,CAC7B,uCAAuC;IACrC,8EAA8E,CACjF,CACF,CAAC;AAEJ,IAAI;IACF,wEAAwE;IACxE,gBAAQ,GAAG,OAAO,CAAC,UAAU,CAAC,CAAC;CAChC;AAAC,MAAM,GAAE,CAAC,sBAAsB;AA2CtB,QAAA,IAAI,GAAyD,eAAe,CACrF,IAAI,mCAA2B,CAC7B,kFAAkF,CACnF,CACF,CAAC;AAEF,IAAI;IACF,wEAAwE;IACxE,YAAI,GAAG,OAAO,CAAC,MAAM,CAAC,CAAC;CACxB;AAAC,MAAM,GAAE,CAAC,sBAAsB;AAEjC,cAAc;AACD,QAAA,yBAAyB,GAAG,MAAM,CAAC,MAAM,CAAC;IACrD,UAAU,EAAE,CAAC;IACb,KAAK,EAAE,CAAC;IACR,OAAO,EAAE,CAAC;IACV,IAAI,EAAE,CAAC;IACP,KAAK,EAAE,CAAC;CACA,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/encrypter.js b/node_modules/mongodb/lib/encrypter.js
new file mode 100644
index 000000000..c04fba551
--- /dev/null
+++ b/node_modules/mongodb/lib/encrypter.js
@@ -0,0 +1,109 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Encrypter = void 0;
+/* eslint-disable @typescript-eslint/no-var-requires */
+const bson_1 = require("./bson");
+const constants_1 = require("./constants");
+const error_1 = require("./error");
+const mongo_client_1 = require("./mongo_client");
+const utils_1 = require("./utils");
+let AutoEncrypterClass;
+/** @internal */
+const kInternalClient = Symbol('internalClient');
+/** @internal */
+class Encrypter {
+    constructor(client, uri, options) {
+        if (typeof options.autoEncryption !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Option "autoEncryption" must be specified');
+        }
+        // initialize to null, if we call getInternalClient, we may set this it is important to not overwrite those function calls.
+        this[kInternalClient] = null;
+        this.bypassAutoEncryption = !!options.autoEncryption.bypassAutoEncryption;
+        this.needsConnecting = false;
+        if (options.maxPoolSize === 0 && options.autoEncryption.keyVaultClient == null) {
+            options.autoEncryption.keyVaultClient = client;
+        }
+        else if (options.autoEncryption.keyVaultClient == null) {
+            options.autoEncryption.keyVaultClient = this.getInternalClient(client, uri, options);
+        }
+        if (this.bypassAutoEncryption) {
+            options.autoEncryption.metadataClient = undefined;
+        }
+        else if (options.maxPoolSize === 0) {
+            options.autoEncryption.metadataClient = client;
+        }
+        else {
+            options.autoEncryption.metadataClient = this.getInternalClient(client, uri, options);
+        }
+        if (options.proxyHost) {
+            options.autoEncryption.proxyOptions = {
+                proxyHost: options.proxyHost,
+                proxyPort: options.proxyPort,
+                proxyUsername: options.proxyUsername,
+                proxyPassword: options.proxyPassword
+            };
+        }
+        options.autoEncryption.bson = Object.create(null);
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        options.autoEncryption.bson.serialize = bson_1.serialize;
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        options.autoEncryption.bson.deserialize = bson_1.deserialize;
+        this.autoEncrypter = new AutoEncrypterClass(client, options.autoEncryption);
+    }
+    getInternalClient(client, uri, options) {
+        // TODO(NODE-4144): Remove new variable for type narrowing
+        let internalClient = this[kInternalClient];
+        if (internalClient == null) {
+            const clonedOptions = {};
+            for (const key of [
+                ...Object.getOwnPropertyNames(options),
+                ...Object.getOwnPropertySymbols(options)
+            ]) {
+                if (['autoEncryption', 'minPoolSize', 'servers', 'caseTranslate', 'dbName'].includes(key))
+                    continue;
+                Reflect.set(clonedOptions, key, Reflect.get(options, key));
+            }
+            clonedOptions.minPoolSize = 0;
+            internalClient = new mongo_client_1.MongoClient(uri, clonedOptions);
+            this[kInternalClient] = internalClient;
+            for (const eventName of constants_1.MONGO_CLIENT_EVENTS) {
+                for (const listener of client.listeners(eventName)) {
+                    internalClient.on(eventName, listener);
+                }
+            }
+            client.on('newListener', (eventName, listener) => {
+                internalClient === null || internalClient === void 0 ? void 0 : internalClient.on(eventName, listener);
+            });
+            this.needsConnecting = true;
+        }
+        return internalClient;
+    }
+    connectInternalClient(callback) {
+        // TODO(NODE-4144): Remove new variable for type narrowing
+        const internalClient = this[kInternalClient];
+        if (this.needsConnecting && internalClient != null) {
+            this.needsConnecting = false;
+            return internalClient.connect(callback);
+        }
+        return callback();
+    }
+    close(client, force, callback) {
+        this.autoEncrypter.teardown(!!force, e => {
+            const internalClient = this[kInternalClient];
+            if (internalClient != null && client !== internalClient) {
+                return internalClient.close(force, callback);
+            }
+            callback(e);
+        });
+    }
+    static checkForMongoCrypt() {
+        const mongodbClientEncryption = (0, utils_1.getMongoDBClientEncryption)();
+        if (mongodbClientEncryption == null) {
+            throw new error_1.MongoMissingDependencyError('Auto-encryption requested, but the module is not installed. ' +
+                'Please add `mongodb-client-encryption` as a dependency of your project');
+        }
+        AutoEncrypterClass = mongodbClientEncryption.extension(require('../lib/index')).AutoEncrypter;
+    }
+}
+exports.Encrypter = Encrypter;
+//# sourceMappingURL=encrypter.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/encrypter.js.map b/node_modules/mongodb/lib/encrypter.js.map
new file mode 100644
index 000000000..ab6dbc0c1
--- /dev/null
+++ b/node_modules/mongodb/lib/encrypter.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/error.js b/node_modules/mongodb/lib/error.js
new file mode 100644
index 000000000..365f5467a
--- /dev/null
+++ b/node_modules/mongodb/lib/error.js
@@ -0,0 +1,801 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isResumableError = exports.isNetworkTimeoutError = exports.isSDAMUnrecoverableError = exports.isNodeShuttingDownError = exports.isRetryableReadError = exports.isRetryableWriteError = exports.needsRetryableWriteLabel = exports.MongoWriteConcernError = exports.MongoServerSelectionError = exports.MongoSystemError = exports.MongoMissingDependencyError = exports.MongoMissingCredentialsError = exports.MongoCompatibilityError = exports.MongoInvalidArgumentError = exports.MongoParseError = exports.MongoNetworkTimeoutError = exports.MongoNetworkError = exports.isNetworkErrorBeforeHandshake = exports.MongoTopologyClosedError = exports.MongoCursorExhaustedError = exports.MongoServerClosedError = exports.MongoCursorInUseError = exports.MongoUnexpectedServerResponseError = exports.MongoGridFSChunkError = exports.MongoGridFSStreamError = exports.MongoTailableCursorError = exports.MongoChangeStreamError = exports.MongoAWSError = exports.MongoKerberosError = exports.MongoExpiredSessionError = exports.MongoTransactionError = exports.MongoNotConnectedError = exports.MongoDecompressionError = exports.MongoBatchReExecutionError = exports.MongoRuntimeError = exports.MongoAPIError = exports.MongoDriverError = exports.MongoServerError = exports.MongoError = exports.MongoErrorLabel = exports.GET_MORE_RESUMABLE_CODES = exports.MONGODB_ERROR_CODES = exports.NODE_IS_RECOVERING_ERROR_MESSAGE = exports.LEGACY_NOT_PRIMARY_OR_SECONDARY_ERROR_MESSAGE = exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE = void 0;
+/** @internal */
+const kErrorLabels = Symbol('errorLabels');
+/**
+ * @internal
+ * The legacy error message from the server that indicates the node is not a writable primary
+ * https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
+ */
+exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE = new RegExp('not master', 'i');
+/**
+ * @internal
+ * The legacy error message from the server that indicates the node is not a primary or secondary
+ * https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
+ */
+exports.LEGACY_NOT_PRIMARY_OR_SECONDARY_ERROR_MESSAGE = new RegExp('not master or secondary', 'i');
+/**
+ * @internal
+ * The error message from the server that indicates the node is recovering
+ * https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
+ */
+exports.NODE_IS_RECOVERING_ERROR_MESSAGE = new RegExp('node is recovering', 'i');
+/** @internal MongoDB Error Codes */
+exports.MONGODB_ERROR_CODES = Object.freeze({
+    HostUnreachable: 6,
+    HostNotFound: 7,
+    NetworkTimeout: 89,
+    ShutdownInProgress: 91,
+    PrimarySteppedDown: 189,
+    ExceededTimeLimit: 262,
+    SocketException: 9001,
+    NotWritablePrimary: 10107,
+    InterruptedAtShutdown: 11600,
+    InterruptedDueToReplStateChange: 11602,
+    NotPrimaryNoSecondaryOk: 13435,
+    NotPrimaryOrSecondary: 13436,
+    StaleShardVersion: 63,
+    StaleEpoch: 150,
+    StaleConfig: 13388,
+    RetryChangeStream: 234,
+    FailedToSatisfyReadPreference: 133,
+    CursorNotFound: 43,
+    LegacyNotPrimary: 10058,
+    WriteConcernFailed: 64,
+    NamespaceNotFound: 26,
+    IllegalOperation: 20,
+    MaxTimeMSExpired: 50,
+    UnknownReplWriteConcern: 79,
+    UnsatisfiableWriteConcern: 100
+});
+// From spec@https://github.com/mongodb/specifications/blob/f93d78191f3db2898a59013a7ed5650352ef6da8/source/change-streams/change-streams.rst#resumable-error
+exports.GET_MORE_RESUMABLE_CODES = new Set([
+    exports.MONGODB_ERROR_CODES.HostUnreachable,
+    exports.MONGODB_ERROR_CODES.HostNotFound,
+    exports.MONGODB_ERROR_CODES.NetworkTimeout,
+    exports.MONGODB_ERROR_CODES.ShutdownInProgress,
+    exports.MONGODB_ERROR_CODES.PrimarySteppedDown,
+    exports.MONGODB_ERROR_CODES.ExceededTimeLimit,
+    exports.MONGODB_ERROR_CODES.SocketException,
+    exports.MONGODB_ERROR_CODES.NotWritablePrimary,
+    exports.MONGODB_ERROR_CODES.InterruptedAtShutdown,
+    exports.MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
+    exports.MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
+    exports.MONGODB_ERROR_CODES.NotPrimaryOrSecondary,
+    exports.MONGODB_ERROR_CODES.StaleShardVersion,
+    exports.MONGODB_ERROR_CODES.StaleEpoch,
+    exports.MONGODB_ERROR_CODES.StaleConfig,
+    exports.MONGODB_ERROR_CODES.RetryChangeStream,
+    exports.MONGODB_ERROR_CODES.FailedToSatisfyReadPreference,
+    exports.MONGODB_ERROR_CODES.CursorNotFound
+]);
+/** @public */
+exports.MongoErrorLabel = Object.freeze({
+    RetryableWriteError: 'RetryableWriteError',
+    TransientTransactionError: 'TransientTransactionError',
+    UnknownTransactionCommitResult: 'UnknownTransactionCommitResult',
+    ResumableChangeStreamError: 'ResumableChangeStreamError',
+    HandshakeError: 'HandshakeError',
+    ResetPool: 'ResetPool'
+});
+/**
+ * @public
+ * @category Error
+ *
+ * @privateRemarks
+ * CSFLE has a dependency on this error, it uses the constructor with a string argument
+ */
+class MongoError extends Error {
+    constructor(message) {
+        if (message instanceof Error) {
+            super(message.message);
+            this.cause = message;
+        }
+        else {
+            super(message);
+        }
+        this[kErrorLabels] = new Set();
+    }
+    get name() {
+        return 'MongoError';
+    }
+    /** Legacy name for server error responses */
+    get errmsg() {
+        return this.message;
+    }
+    /**
+     * Checks the error to see if it has an error label
+     *
+     * @param label - The error label to check for
+     * @returns returns true if the error has the provided error label
+     */
+    hasErrorLabel(label) {
+        return this[kErrorLabels].has(label);
+    }
+    addErrorLabel(label) {
+        this[kErrorLabels].add(label);
+    }
+    get errorLabels() {
+        return Array.from(this[kErrorLabels]);
+    }
+}
+exports.MongoError = MongoError;
+/**
+ * An error coming from the mongo server
+ *
+ * @public
+ * @category Error
+ */
+class MongoServerError extends MongoError {
+    constructor(message) {
+        super(message.message || message.errmsg || message.$err || 'n/a');
+        if (message.errorLabels) {
+            this[kErrorLabels] = new Set(message.errorLabels);
+        }
+        for (const name in message) {
+            if (name !== 'errorLabels' && name !== 'errmsg' && name !== 'message')
+                this[name] = message[name];
+        }
+    }
+    get name() {
+        return 'MongoServerError';
+    }
+}
+exports.MongoServerError = MongoServerError;
+/**
+ * An error generated by the driver
+ *
+ * @public
+ * @category Error
+ */
+class MongoDriverError extends MongoError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoDriverError';
+    }
+}
+exports.MongoDriverError = MongoDriverError;
+/**
+ * An error generated when the driver API is used incorrectly
+ *
+ * @privateRemarks
+ * Should **never** be directly instantiated
+ *
+ * @public
+ * @category Error
+ */
+class MongoAPIError extends MongoDriverError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoAPIError';
+    }
+}
+exports.MongoAPIError = MongoAPIError;
+/**
+ * An error generated when the driver encounters unexpected input
+ * or reaches an unexpected/invalid internal state
+ *
+ * @privateRemarks
+ * Should **never** be directly instantiated.
+ *
+ * @public
+ * @category Error
+ */
+class MongoRuntimeError extends MongoDriverError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoRuntimeError';
+    }
+}
+exports.MongoRuntimeError = MongoRuntimeError;
+/**
+ * An error generated when a batch command is re-executed after one of the commands in the batch
+ * has failed
+ *
+ * @public
+ * @category Error
+ */
+class MongoBatchReExecutionError extends MongoAPIError {
+    constructor(message = 'This batch has already been executed, create new batch to execute') {
+        super(message);
+    }
+    get name() {
+        return 'MongoBatchReExecutionError';
+    }
+}
+exports.MongoBatchReExecutionError = MongoBatchReExecutionError;
+/**
+ * An error generated when the driver fails to decompress
+ * data received from the server.
+ *
+ * @public
+ * @category Error
+ */
+class MongoDecompressionError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoDecompressionError';
+    }
+}
+exports.MongoDecompressionError = MongoDecompressionError;
+/**
+ * An error thrown when the user attempts to operate on a database or collection through a MongoClient
+ * that has not yet successfully called the "connect" method
+ *
+ * @public
+ * @category Error
+ */
+class MongoNotConnectedError extends MongoAPIError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoNotConnectedError';
+    }
+}
+exports.MongoNotConnectedError = MongoNotConnectedError;
+/**
+ * An error generated when the user makes a mistake in the usage of transactions.
+ * (e.g. attempting to commit a transaction with a readPreference other than primary)
+ *
+ * @public
+ * @category Error
+ */
+class MongoTransactionError extends MongoAPIError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoTransactionError';
+    }
+}
+exports.MongoTransactionError = MongoTransactionError;
+/**
+ * An error generated when the user attempts to operate
+ * on a session that has expired or has been closed.
+ *
+ * @public
+ * @category Error
+ */
+class MongoExpiredSessionError extends MongoAPIError {
+    constructor(message = 'Cannot use a session that has ended') {
+        super(message);
+    }
+    get name() {
+        return 'MongoExpiredSessionError';
+    }
+}
+exports.MongoExpiredSessionError = MongoExpiredSessionError;
+/**
+ * A error generated when the user attempts to authenticate
+ * via Kerberos, but fails to connect to the Kerberos client.
+ *
+ * @public
+ * @category Error
+ */
+class MongoKerberosError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoKerberosError';
+    }
+}
+exports.MongoKerberosError = MongoKerberosError;
+/**
+ * A error generated when the user attempts to authenticate
+ * via AWS, but fails
+ *
+ * @public
+ * @category Error
+ */
+class MongoAWSError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoAWSError';
+    }
+}
+exports.MongoAWSError = MongoAWSError;
+/**
+ * An error generated when a ChangeStream operation fails to execute.
+ *
+ * @public
+ * @category Error
+ */
+class MongoChangeStreamError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoChangeStreamError';
+    }
+}
+exports.MongoChangeStreamError = MongoChangeStreamError;
+/**
+ * An error thrown when the user calls a function or method not supported on a tailable cursor
+ *
+ * @public
+ * @category Error
+ */
+class MongoTailableCursorError extends MongoAPIError {
+    constructor(message = 'Tailable cursor does not support this operation') {
+        super(message);
+    }
+    get name() {
+        return 'MongoTailableCursorError';
+    }
+}
+exports.MongoTailableCursorError = MongoTailableCursorError;
+/** An error generated when a GridFSStream operation fails to execute.
+ *
+ * @public
+ * @category Error
+ */
+class MongoGridFSStreamError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoGridFSStreamError';
+    }
+}
+exports.MongoGridFSStreamError = MongoGridFSStreamError;
+/**
+ * An error generated when a malformed or invalid chunk is
+ * encountered when reading from a GridFSStream.
+ *
+ * @public
+ * @category Error
+ */
+class MongoGridFSChunkError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoGridFSChunkError';
+    }
+}
+exports.MongoGridFSChunkError = MongoGridFSChunkError;
+/**
+ * An error generated when a **parsable** unexpected response comes from the server.
+ * This is generally an error where the driver in a state expecting a certain behavior to occur in
+ * the next message from MongoDB but it receives something else.
+ * This error **does not** represent an issue with wire message formatting.
+ *
+ * #### Example
+ * When an operation fails, it is the driver's job to retry it. It must perform serverSelection
+ * again to make sure that it attempts the operation against a server in a good state. If server
+ * selection returns a server that does not support retryable operations, this error is used.
+ * This scenario is unlikely as retryable support would also have been determined on the first attempt
+ * but it is possible the state change could report a selectable server that does not support retries.
+ *
+ * @public
+ * @category Error
+ */
+class MongoUnexpectedServerResponseError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoUnexpectedServerResponseError';
+    }
+}
+exports.MongoUnexpectedServerResponseError = MongoUnexpectedServerResponseError;
+/**
+ * An error thrown when the user attempts to add options to a cursor that has already been
+ * initialized
+ *
+ * @public
+ * @category Error
+ */
+class MongoCursorInUseError extends MongoAPIError {
+    constructor(message = 'Cursor is already initialized') {
+        super(message);
+    }
+    get name() {
+        return 'MongoCursorInUseError';
+    }
+}
+exports.MongoCursorInUseError = MongoCursorInUseError;
+/**
+ * An error generated when an attempt is made to operate
+ * on a closed/closing server.
+ *
+ * @public
+ * @category Error
+ */
+class MongoServerClosedError extends MongoAPIError {
+    constructor(message = 'Server is closed') {
+        super(message);
+    }
+    get name() {
+        return 'MongoServerClosedError';
+    }
+}
+exports.MongoServerClosedError = MongoServerClosedError;
+/**
+ * An error thrown when an attempt is made to read from a cursor that has been exhausted
+ *
+ * @public
+ * @category Error
+ */
+class MongoCursorExhaustedError extends MongoAPIError {
+    constructor(message) {
+        super(message || 'Cursor is exhausted');
+    }
+    get name() {
+        return 'MongoCursorExhaustedError';
+    }
+}
+exports.MongoCursorExhaustedError = MongoCursorExhaustedError;
+/**
+ * An error generated when an attempt is made to operate on a
+ * dropped, or otherwise unavailable, database.
+ *
+ * @public
+ * @category Error
+ */
+class MongoTopologyClosedError extends MongoAPIError {
+    constructor(message = 'Topology is closed') {
+        super(message);
+    }
+    get name() {
+        return 'MongoTopologyClosedError';
+    }
+}
+exports.MongoTopologyClosedError = MongoTopologyClosedError;
+/** @internal */
+const kBeforeHandshake = Symbol('beforeHandshake');
+function isNetworkErrorBeforeHandshake(err) {
+    return err[kBeforeHandshake] === true;
+}
+exports.isNetworkErrorBeforeHandshake = isNetworkErrorBeforeHandshake;
+/**
+ * An error indicating an issue with the network, including TCP errors and timeouts.
+ * @public
+ * @category Error
+ */
+class MongoNetworkError extends MongoError {
+    constructor(message, options) {
+        super(message);
+        if (options && typeof options.beforeHandshake === 'boolean') {
+            this[kBeforeHandshake] = options.beforeHandshake;
+        }
+    }
+    get name() {
+        return 'MongoNetworkError';
+    }
+}
+exports.MongoNetworkError = MongoNetworkError;
+/**
+ * An error indicating a network timeout occurred
+ * @public
+ * @category Error
+ *
+ * @privateRemarks
+ * CSFLE has a dependency on this error with an instanceof check
+ */
+class MongoNetworkTimeoutError extends MongoNetworkError {
+    constructor(message, options) {
+        super(message, options);
+    }
+    get name() {
+        return 'MongoNetworkTimeoutError';
+    }
+}
+exports.MongoNetworkTimeoutError = MongoNetworkTimeoutError;
+/**
+ * An error used when attempting to parse a value (like a connection string)
+ * @public
+ * @category Error
+ */
+class MongoParseError extends MongoDriverError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoParseError';
+    }
+}
+exports.MongoParseError = MongoParseError;
+/**
+ * An error generated when the user supplies malformed or unexpected arguments
+ * or when a required argument or field is not provided.
+ *
+ *
+ * @public
+ * @category Error
+ */
+class MongoInvalidArgumentError extends MongoAPIError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoInvalidArgumentError';
+    }
+}
+exports.MongoInvalidArgumentError = MongoInvalidArgumentError;
+/**
+ * An error generated when a feature that is not enabled or allowed for the current server
+ * configuration is used
+ *
+ *
+ * @public
+ * @category Error
+ */
+class MongoCompatibilityError extends MongoAPIError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoCompatibilityError';
+    }
+}
+exports.MongoCompatibilityError = MongoCompatibilityError;
+/**
+ * An error generated when the user fails to provide authentication credentials before attempting
+ * to connect to a mongo server instance.
+ *
+ *
+ * @public
+ * @category Error
+ */
+class MongoMissingCredentialsError extends MongoAPIError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoMissingCredentialsError';
+    }
+}
+exports.MongoMissingCredentialsError = MongoMissingCredentialsError;
+/**
+ * An error generated when a required module or dependency is not present in the local environment
+ *
+ * @public
+ * @category Error
+ */
+class MongoMissingDependencyError extends MongoAPIError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoMissingDependencyError';
+    }
+}
+exports.MongoMissingDependencyError = MongoMissingDependencyError;
+/**
+ * An error signifying a general system issue
+ * @public
+ * @category Error
+ */
+class MongoSystemError extends MongoError {
+    constructor(message, reason) {
+        var _a;
+        if (reason && reason.error) {
+            super(reason.error.message || reason.error);
+        }
+        else {
+            super(message);
+        }
+        if (reason) {
+            this.reason = reason;
+        }
+        this.code = (_a = reason.error) === null || _a === void 0 ? void 0 : _a.code;
+    }
+    get name() {
+        return 'MongoSystemError';
+    }
+}
+exports.MongoSystemError = MongoSystemError;
+/**
+ * An error signifying a client-side server selection error
+ * @public
+ * @category Error
+ */
+class MongoServerSelectionError extends MongoSystemError {
+    constructor(message, reason) {
+        super(message, reason);
+    }
+    get name() {
+        return 'MongoServerSelectionError';
+    }
+}
+exports.MongoServerSelectionError = MongoServerSelectionError;
+function makeWriteConcernResultObject(input) {
+    const output = Object.assign({}, input);
+    if (output.ok === 0) {
+        output.ok = 1;
+        delete output.errmsg;
+        delete output.code;
+        delete output.codeName;
+    }
+    return output;
+}
+/**
+ * An error thrown when the server reports a writeConcernError
+ * @public
+ * @category Error
+ */
+class MongoWriteConcernError extends MongoServerError {
+    constructor(message, result) {
+        if (result && Array.isArray(result.errorLabels)) {
+            message.errorLabels = result.errorLabels;
+        }
+        super(message);
+        this.errInfo = message.errInfo;
+        if (result != null) {
+            this.result = makeWriteConcernResultObject(result);
+        }
+    }
+    get name() {
+        return 'MongoWriteConcernError';
+    }
+}
+exports.MongoWriteConcernError = MongoWriteConcernError;
+// https://github.com/mongodb/specifications/blob/master/source/retryable-reads/retryable-reads.rst#retryable-error
+const RETRYABLE_READ_ERROR_CODES = new Set([
+    exports.MONGODB_ERROR_CODES.HostUnreachable,
+    exports.MONGODB_ERROR_CODES.HostNotFound,
+    exports.MONGODB_ERROR_CODES.NetworkTimeout,
+    exports.MONGODB_ERROR_CODES.ShutdownInProgress,
+    exports.MONGODB_ERROR_CODES.PrimarySteppedDown,
+    exports.MONGODB_ERROR_CODES.SocketException,
+    exports.MONGODB_ERROR_CODES.NotWritablePrimary,
+    exports.MONGODB_ERROR_CODES.InterruptedAtShutdown,
+    exports.MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
+    exports.MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
+    exports.MONGODB_ERROR_CODES.NotPrimaryOrSecondary
+]);
+// see: https://github.com/mongodb/specifications/blob/master/source/retryable-writes/retryable-writes.rst#terms
+const RETRYABLE_WRITE_ERROR_CODES = new Set([
+    ...RETRYABLE_READ_ERROR_CODES,
+    exports.MONGODB_ERROR_CODES.ExceededTimeLimit
+]);
+function needsRetryableWriteLabel(error, maxWireVersion) {
+    var _a, _b, _c;
+    // pre-4.4 server, then the driver adds an error label for every valid case
+    // execute operation will only inspect the label, code/message logic is handled here
+    if (error instanceof MongoNetworkError) {
+        return true;
+    }
+    if (error instanceof MongoError) {
+        if ((maxWireVersion >= 9 || error.hasErrorLabel(exports.MongoErrorLabel.RetryableWriteError)) &&
+            !error.hasErrorLabel(exports.MongoErrorLabel.HandshakeError)) {
+            // If we already have the error label no need to add it again. 4.4+ servers add the label.
+            // In the case where we have a handshake error, need to fall down to the logic checking
+            // the codes.
+            return false;
+        }
+    }
+    if (error instanceof MongoWriteConcernError) {
+        return RETRYABLE_WRITE_ERROR_CODES.has((_c = (_b = (_a = error.result) === null || _a === void 0 ? void 0 : _a.code) !== null && _b !== void 0 ? _b : error.code) !== null && _c !== void 0 ? _c : 0);
+    }
+    if (error instanceof MongoError && typeof error.code === 'number') {
+        return RETRYABLE_WRITE_ERROR_CODES.has(error.code);
+    }
+    const isNotWritablePrimaryError = exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(error.message);
+    if (isNotWritablePrimaryError) {
+        return true;
+    }
+    const isNodeIsRecoveringError = exports.NODE_IS_RECOVERING_ERROR_MESSAGE.test(error.message);
+    if (isNodeIsRecoveringError) {
+        return true;
+    }
+    return false;
+}
+exports.needsRetryableWriteLabel = needsRetryableWriteLabel;
+function isRetryableWriteError(error) {
+    return error.hasErrorLabel(exports.MongoErrorLabel.RetryableWriteError);
+}
+exports.isRetryableWriteError = isRetryableWriteError;
+/** Determines whether an error is something the driver should attempt to retry */
+function isRetryableReadError(error) {
+    const hasRetryableErrorCode = typeof error.code === 'number' ? RETRYABLE_READ_ERROR_CODES.has(error.code) : false;
+    if (hasRetryableErrorCode) {
+        return true;
+    }
+    if (error instanceof MongoNetworkError) {
+        return true;
+    }
+    const isNotWritablePrimaryError = exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(error.message);
+    if (isNotWritablePrimaryError) {
+        return true;
+    }
+    const isNodeIsRecoveringError = exports.NODE_IS_RECOVERING_ERROR_MESSAGE.test(error.message);
+    if (isNodeIsRecoveringError) {
+        return true;
+    }
+    return false;
+}
+exports.isRetryableReadError = isRetryableReadError;
+const SDAM_RECOVERING_CODES = new Set([
+    exports.MONGODB_ERROR_CODES.ShutdownInProgress,
+    exports.MONGODB_ERROR_CODES.PrimarySteppedDown,
+    exports.MONGODB_ERROR_CODES.InterruptedAtShutdown,
+    exports.MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
+    exports.MONGODB_ERROR_CODES.NotPrimaryOrSecondary
+]);
+const SDAM_NOT_PRIMARY_CODES = new Set([
+    exports.MONGODB_ERROR_CODES.NotWritablePrimary,
+    exports.MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
+    exports.MONGODB_ERROR_CODES.LegacyNotPrimary
+]);
+const SDAM_NODE_SHUTTING_DOWN_ERROR_CODES = new Set([
+    exports.MONGODB_ERROR_CODES.InterruptedAtShutdown,
+    exports.MONGODB_ERROR_CODES.ShutdownInProgress
+]);
+function isRecoveringError(err) {
+    if (typeof err.code === 'number') {
+        // If any error code exists, we ignore the error.message
+        return SDAM_RECOVERING_CODES.has(err.code);
+    }
+    return (exports.LEGACY_NOT_PRIMARY_OR_SECONDARY_ERROR_MESSAGE.test(err.message) ||
+        exports.NODE_IS_RECOVERING_ERROR_MESSAGE.test(err.message));
+}
+function isNotWritablePrimaryError(err) {
+    if (typeof err.code === 'number') {
+        // If any error code exists, we ignore the error.message
+        return SDAM_NOT_PRIMARY_CODES.has(err.code);
+    }
+    if (isRecoveringError(err)) {
+        return false;
+    }
+    return exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(err.message);
+}
+function isNodeShuttingDownError(err) {
+    return !!(typeof err.code === 'number' && SDAM_NODE_SHUTTING_DOWN_ERROR_CODES.has(err.code));
+}
+exports.isNodeShuttingDownError = isNodeShuttingDownError;
+/**
+ * Determines whether SDAM can recover from a given error. If it cannot
+ * then the pool will be cleared, and server state will completely reset
+ * locally.
+ *
+ * @see https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-master-and-node-is-recovering
+ */
+function isSDAMUnrecoverableError(error) {
+    // NOTE: null check is here for a strictly pre-CMAP world, a timeout or
+    //       close event are considered unrecoverable
+    if (error instanceof MongoParseError || error == null) {
+        return true;
+    }
+    return isRecoveringError(error) || isNotWritablePrimaryError(error);
+}
+exports.isSDAMUnrecoverableError = isSDAMUnrecoverableError;
+function isNetworkTimeoutError(err) {
+    return !!(err instanceof MongoNetworkError && err.message.match(/timed out/));
+}
+exports.isNetworkTimeoutError = isNetworkTimeoutError;
+function isResumableError(error, wireVersion) {
+    if (error == null || !(error instanceof MongoError)) {
+        return false;
+    }
+    if (error instanceof MongoNetworkError) {
+        return true;
+    }
+    if (wireVersion != null && wireVersion >= 9) {
+        // DRIVERS-1308: For 4.4 drivers running against 4.4 servers, drivers will add a special case to treat the CursorNotFound error code as resumable
+        if (error.code === exports.MONGODB_ERROR_CODES.CursorNotFound) {
+            return true;
+        }
+        return error.hasErrorLabel(exports.MongoErrorLabel.ResumableChangeStreamError);
+    }
+    if (typeof error.code === 'number') {
+        return exports.GET_MORE_RESUMABLE_CODES.has(error.code);
+    }
+    return false;
+}
+exports.isResumableError = isResumableError;
+//# sourceMappingURL=error.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/error.js.map b/node_modules/mongodb/lib/error.js.map
new file mode 100644
index 000000000..f865825ec
--- /dev/null
+++ b/node_modules/mongodb/lib/error.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/explain.js b/node_modules/mongodb/lib/explain.js
new file mode 100644
index 000000000..bc55e1fee
--- /dev/null
+++ b/node_modules/mongodb/lib/explain.js
@@ -0,0 +1,35 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Explain = exports.ExplainVerbosity = void 0;
+const error_1 = require("./error");
+/** @public */
+exports.ExplainVerbosity = Object.freeze({
+    queryPlanner: 'queryPlanner',
+    queryPlannerExtended: 'queryPlannerExtended',
+    executionStats: 'executionStats',
+    allPlansExecution: 'allPlansExecution'
+});
+/** @internal */
+class Explain {
+    constructor(verbosity) {
+        if (typeof verbosity === 'boolean') {
+            this.verbosity = verbosity
+                ? exports.ExplainVerbosity.allPlansExecution
+                : exports.ExplainVerbosity.queryPlanner;
+        }
+        else {
+            this.verbosity = verbosity;
+        }
+    }
+    static fromOptions(options) {
+        if ((options === null || options === void 0 ? void 0 : options.explain) == null)
+            return;
+        const explain = options.explain;
+        if (typeof explain === 'boolean' || typeof explain === 'string') {
+            return new Explain(explain);
+        }
+        throw new error_1.MongoInvalidArgumentError('Field "explain" must be a string or a boolean');
+    }
+}
+exports.Explain = Explain;
+//# sourceMappingURL=explain.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/explain.js.map b/node_modules/mongodb/lib/explain.js.map
new file mode 100644
index 000000000..ae503b22b
--- /dev/null
+++ b/node_modules/mongodb/lib/explain.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"explain.js","sourceRoot":"","sources":["../src/explain.ts"],"names":[],"mappings":";;;AAAA,mCAAoD;AAEpD,cAAc;AACD,QAAA,gBAAgB,GAAG,MAAM,CAAC,MAAM,CAAC;IAC5C,YAAY,EAAE,cAAc;IAC5B,oBAAoB,EAAE,sBAAsB;IAC5C,cAAc,EAAE,gBAAgB;IAChC,iBAAiB,EAAE,mBAAmB;CAC9B,CAAC,CAAC;AAmBZ,gBAAgB;AAChB,MAAa,OAAO;IAGlB,YAAY,SAA+B;QACzC,IAAI,OAAO,SAAS,KAAK,SAAS,EAAE;YAClC,IAAI,CAAC,SAAS,GAAG,SAAS;gBACxB,CAAC,CAAC,wBAAgB,CAAC,iBAAiB;gBACpC,CAAC,CAAC,wBAAgB,CAAC,YAAY,CAAC;SACnC;aAAM;YACL,IAAI,CAAC,SAAS,GAAG,SAAS,CAAC;SAC5B;IACH,CAAC;IAED,MAAM,CAAC,WAAW,CAAC,OAAwB;QACzC,IAAI,CAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,OAAO,KAAI,IAAI;YAAE,OAAO;QAErC,MAAM,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;QAChC,IAAI,OAAO,OAAO,KAAK,SAAS,IAAI,OAAO,OAAO,KAAK,QAAQ,EAAE;YAC/D,OAAO,IAAI,OAAO,CAAC,OAAO,CAAC,CAAC;SAC7B;QAED,MAAM,IAAI,iCAAyB,CAAC,+CAA+C,CAAC,CAAC;IACvF,CAAC;CACF;AAvBD,0BAuBC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/gridfs/download.js b/node_modules/mongodb/lib/gridfs/download.js
new file mode 100644
index 000000000..83a249caa
--- /dev/null
+++ b/node_modules/mongodb/lib/gridfs/download.js
@@ -0,0 +1,318 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.GridFSBucketReadStream = void 0;
+const stream_1 = require("stream");
+const error_1 = require("../error");
+/**
+ * A readable stream that enables you to read buffers from GridFS.
+ *
+ * Do not instantiate this class directly. Use `openDownloadStream()` instead.
+ * @public
+ */
+class GridFSBucketReadStream extends stream_1.Readable {
+    /**
+     * @param chunks - Handle for chunks collection
+     * @param files - Handle for files collection
+     * @param readPreference - The read preference to use
+     * @param filter - The filter to use to find the file document
+     * @internal
+     */
+    constructor(chunks, files, readPreference, filter, options) {
+        super();
+        this.s = {
+            bytesToTrim: 0,
+            bytesToSkip: 0,
+            bytesRead: 0,
+            chunks,
+            expected: 0,
+            files,
+            filter,
+            init: false,
+            expectedEnd: 0,
+            options: {
+                start: 0,
+                end: 0,
+                ...options
+            },
+            readPreference
+        };
+    }
+    /**
+     * Reads from the cursor and pushes to the stream.
+     * Private Impl, do not call directly
+     * @internal
+     */
+    _read() {
+        if (this.destroyed)
+            return;
+        waitForFile(this, () => doRead(this));
+    }
+    /**
+     * Sets the 0-based offset in bytes to start streaming from. Throws
+     * an error if this stream has entered flowing mode
+     * (e.g. if you've already called `on('data')`)
+     *
+     * @param start - 0-based offset in bytes to start streaming from
+     */
+    start(start = 0) {
+        throwIfInitialized(this);
+        this.s.options.start = start;
+        return this;
+    }
+    /**
+     * Sets the 0-based offset in bytes to start streaming from. Throws
+     * an error if this stream has entered flowing mode
+     * (e.g. if you've already called `on('data')`)
+     *
+     * @param end - Offset in bytes to stop reading at
+     */
+    end(end = 0) {
+        throwIfInitialized(this);
+        this.s.options.end = end;
+        return this;
+    }
+    /**
+     * Marks this stream as aborted (will never push another `data` event)
+     * and kills the underlying cursor. Will emit the 'end' event, and then
+     * the 'close' event once the cursor is successfully killed.
+     *
+     * @param callback - called when the cursor is successfully closed or an error occurred.
+     */
+    abort(callback) {
+        this.push(null);
+        this.destroyed = true;
+        if (this.s.cursor) {
+            this.s.cursor.close(error => {
+                this.emit(GridFSBucketReadStream.CLOSE);
+                callback && callback(error);
+            });
+        }
+        else {
+            if (!this.s.init) {
+                // If not initialized, fire close event because we will never
+                // get a cursor
+                this.emit(GridFSBucketReadStream.CLOSE);
+            }
+            callback && callback();
+        }
+    }
+}
+exports.GridFSBucketReadStream = GridFSBucketReadStream;
+/**
+ * An error occurred
+ * @event
+ */
+GridFSBucketReadStream.ERROR = 'error';
+/**
+ * Fires when the stream loaded the file document corresponding to the provided id.
+ * @event
+ */
+GridFSBucketReadStream.FILE = 'file';
+/**
+ * Emitted when a chunk of data is available to be consumed.
+ * @event
+ */
+GridFSBucketReadStream.DATA = 'data';
+/**
+ * Fired when the stream is exhausted (no more data events).
+ * @event
+ */
+GridFSBucketReadStream.END = 'end';
+/**
+ * Fired when the stream is exhausted and the underlying cursor is killed
+ * @event
+ */
+GridFSBucketReadStream.CLOSE = 'close';
+function throwIfInitialized(stream) {
+    if (stream.s.init) {
+        throw new error_1.MongoGridFSStreamError('Options cannot be changed after the stream is initialized');
+    }
+}
+function doRead(stream) {
+    if (stream.destroyed)
+        return;
+    if (!stream.s.cursor)
+        return;
+    if (!stream.s.file)
+        return;
+    stream.s.cursor.next((error, doc) => {
+        if (stream.destroyed) {
+            return;
+        }
+        if (error) {
+            stream.emit(GridFSBucketReadStream.ERROR, error);
+            return;
+        }
+        if (!doc) {
+            stream.push(null);
+            process.nextTick(() => {
+                if (!stream.s.cursor)
+                    return;
+                stream.s.cursor.close(error => {
+                    if (error) {
+                        stream.emit(GridFSBucketReadStream.ERROR, error);
+                        return;
+                    }
+                    stream.emit(GridFSBucketReadStream.CLOSE);
+                });
+            });
+            return;
+        }
+        if (!stream.s.file)
+            return;
+        const bytesRemaining = stream.s.file.length - stream.s.bytesRead;
+        const expectedN = stream.s.expected++;
+        const expectedLength = Math.min(stream.s.file.chunkSize, bytesRemaining);
+        if (doc.n > expectedN) {
+            return stream.emit(GridFSBucketReadStream.ERROR, new error_1.MongoGridFSChunkError(`ChunkIsMissing: Got unexpected n: ${doc.n}, expected: ${expectedN}`));
+        }
+        if (doc.n < expectedN) {
+            return stream.emit(GridFSBucketReadStream.ERROR, new error_1.MongoGridFSChunkError(`ExtraChunk: Got unexpected n: ${doc.n}, expected: ${expectedN}`));
+        }
+        let buf = Buffer.isBuffer(doc.data) ? doc.data : doc.data.buffer;
+        if (buf.byteLength !== expectedLength) {
+            if (bytesRemaining <= 0) {
+                return stream.emit(GridFSBucketReadStream.ERROR, new error_1.MongoGridFSChunkError(`ExtraChunk: Got unexpected n: ${doc.n}, expected file length ${stream.s.file.length} bytes but already read ${stream.s.bytesRead} bytes`));
+            }
+            return stream.emit(GridFSBucketReadStream.ERROR, new error_1.MongoGridFSChunkError(`ChunkIsWrongSize: Got unexpected length: ${buf.byteLength}, expected: ${expectedLength}`));
+        }
+        stream.s.bytesRead += buf.byteLength;
+        if (buf.byteLength === 0) {
+            return stream.push(null);
+        }
+        let sliceStart = null;
+        let sliceEnd = null;
+        if (stream.s.bytesToSkip != null) {
+            sliceStart = stream.s.bytesToSkip;
+            stream.s.bytesToSkip = 0;
+        }
+        const atEndOfStream = expectedN === stream.s.expectedEnd - 1;
+        const bytesLeftToRead = stream.s.options.end - stream.s.bytesToSkip;
+        if (atEndOfStream && stream.s.bytesToTrim != null) {
+            sliceEnd = stream.s.file.chunkSize - stream.s.bytesToTrim;
+        }
+        else if (stream.s.options.end && bytesLeftToRead < doc.data.byteLength) {
+            sliceEnd = bytesLeftToRead;
+        }
+        if (sliceStart != null || sliceEnd != null) {
+            buf = buf.slice(sliceStart || 0, sliceEnd || buf.byteLength);
+        }
+        stream.push(buf);
+        return;
+    });
+}
+function init(stream) {
+    const findOneOptions = {};
+    if (stream.s.readPreference) {
+        findOneOptions.readPreference = stream.s.readPreference;
+    }
+    if (stream.s.options && stream.s.options.sort) {
+        findOneOptions.sort = stream.s.options.sort;
+    }
+    if (stream.s.options && stream.s.options.skip) {
+        findOneOptions.skip = stream.s.options.skip;
+    }
+    stream.s.files.findOne(stream.s.filter, findOneOptions, (error, doc) => {
+        if (error) {
+            return stream.emit(GridFSBucketReadStream.ERROR, error);
+        }
+        if (!doc) {
+            const identifier = stream.s.filter._id
+                ? stream.s.filter._id.toString()
+                : stream.s.filter.filename;
+            const errmsg = `FileNotFound: file ${identifier} was not found`;
+            // TODO(NODE-3483)
+            const err = new error_1.MongoRuntimeError(errmsg);
+            err.code = 'ENOENT'; // TODO: NODE-3338 set property as part of constructor
+            return stream.emit(GridFSBucketReadStream.ERROR, err);
+        }
+        // If document is empty, kill the stream immediately and don't
+        // execute any reads
+        if (doc.length <= 0) {
+            stream.push(null);
+            return;
+        }
+        if (stream.destroyed) {
+            // If user destroys the stream before we have a cursor, wait
+            // until the query is done to say we're 'closed' because we can't
+            // cancel a query.
+            stream.emit(GridFSBucketReadStream.CLOSE);
+            return;
+        }
+        try {
+            stream.s.bytesToSkip = handleStartOption(stream, doc, stream.s.options);
+        }
+        catch (error) {
+            return stream.emit(GridFSBucketReadStream.ERROR, error);
+        }
+        const filter = { files_id: doc._id };
+        // Currently (MongoDB 3.4.4) skip function does not support the index,
+        // it needs to retrieve all the documents first and then skip them. (CS-25811)
+        // As work around we use $gte on the "n" field.
+        if (stream.s.options && stream.s.options.start != null) {
+            const skip = Math.floor(stream.s.options.start / doc.chunkSize);
+            if (skip > 0) {
+                filter['n'] = { $gte: skip };
+            }
+        }
+        stream.s.cursor = stream.s.chunks.find(filter).sort({ n: 1 });
+        if (stream.s.readPreference) {
+            stream.s.cursor.withReadPreference(stream.s.readPreference);
+        }
+        stream.s.expectedEnd = Math.ceil(doc.length / doc.chunkSize);
+        stream.s.file = doc;
+        try {
+            stream.s.bytesToTrim = handleEndOption(stream, doc, stream.s.cursor, stream.s.options);
+        }
+        catch (error) {
+            return stream.emit(GridFSBucketReadStream.ERROR, error);
+        }
+        stream.emit(GridFSBucketReadStream.FILE, doc);
+        return;
+    });
+}
+function waitForFile(stream, callback) {
+    if (stream.s.file) {
+        return callback();
+    }
+    if (!stream.s.init) {
+        init(stream);
+        stream.s.init = true;
+    }
+    stream.once('file', () => {
+        callback();
+    });
+}
+function handleStartOption(stream, doc, options) {
+    if (options && options.start != null) {
+        if (options.start > doc.length) {
+            throw new error_1.MongoInvalidArgumentError(`Stream start (${options.start}) must not be more than the length of the file (${doc.length})`);
+        }
+        if (options.start < 0) {
+            throw new error_1.MongoInvalidArgumentError(`Stream start (${options.start}) must not be negative`);
+        }
+        if (options.end != null && options.end < options.start) {
+            throw new error_1.MongoInvalidArgumentError(`Stream start (${options.start}) must not be greater than stream end (${options.end})`);
+        }
+        stream.s.bytesRead = Math.floor(options.start / doc.chunkSize) * doc.chunkSize;
+        stream.s.expected = Math.floor(options.start / doc.chunkSize);
+        return options.start - stream.s.bytesRead;
+    }
+    throw new error_1.MongoInvalidArgumentError('Start option must be defined');
+}
+function handleEndOption(stream, doc, cursor, options) {
+    if (options && options.end != null) {
+        if (options.end > doc.length) {
+            throw new error_1.MongoInvalidArgumentError(`Stream end (${options.end}) must not be more than the length of the file (${doc.length})`);
+        }
+        if (options.start == null || options.start < 0) {
+            throw new error_1.MongoInvalidArgumentError(`Stream end (${options.end}) must not be negative`);
+        }
+        const start = options.start != null ? Math.floor(options.start / doc.chunkSize) : 0;
+        cursor.limit(Math.ceil(options.end / doc.chunkSize) - start);
+        stream.s.expectedEnd = Math.ceil(options.end / doc.chunkSize);
+        return Math.ceil(options.end / doc.chunkSize) * doc.chunkSize - options.end;
+    }
+    throw new error_1.MongoInvalidArgumentError('End option must be defined');
+}
+//# sourceMappingURL=download.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/gridfs/download.js.map b/node_modules/mongodb/lib/gridfs/download.js.map
new file mode 100644
index 000000000..9843b1afc
--- /dev/null
+++ b/node_modules/mongodb/lib/gridfs/download.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/gridfs/index.js b/node_modules/mongodb/lib/gridfs/index.js
new file mode 100644
index 000000000..cfe89d060
--- /dev/null
+++ b/node_modules/mongodb/lib/gridfs/index.js
@@ -0,0 +1,152 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.GridFSBucket = void 0;
+const error_1 = require("../error");
+const mongo_types_1 = require("../mongo_types");
+const utils_1 = require("../utils");
+const write_concern_1 = require("../write_concern");
+const download_1 = require("./download");
+const upload_1 = require("./upload");
+const DEFAULT_GRIDFS_BUCKET_OPTIONS = {
+    bucketName: 'fs',
+    chunkSizeBytes: 255 * 1024
+};
+/**
+ * Constructor for a streaming GridFS interface
+ * @public
+ */
+class GridFSBucket extends mongo_types_1.TypedEventEmitter {
+    constructor(db, options) {
+        super();
+        this.setMaxListeners(0);
+        const privateOptions = {
+            ...DEFAULT_GRIDFS_BUCKET_OPTIONS,
+            ...options,
+            writeConcern: write_concern_1.WriteConcern.fromOptions(options)
+        };
+        this.s = {
+            db,
+            options: privateOptions,
+            _chunksCollection: db.collection(privateOptions.bucketName + '.chunks'),
+            _filesCollection: db.collection(privateOptions.bucketName + '.files'),
+            checkedIndexes: false,
+            calledOpenUploadStream: false
+        };
+    }
+    /**
+     * Returns a writable stream (GridFSBucketWriteStream) for writing
+     * buffers to GridFS. The stream's 'id' property contains the resulting
+     * file's id.
+     *
+     * @param filename - The value of the 'filename' key in the files doc
+     * @param options - Optional settings.
+     */
+    openUploadStream(filename, options) {
+        return new upload_1.GridFSBucketWriteStream(this, filename, options);
+    }
+    /**
+     * Returns a writable stream (GridFSBucketWriteStream) for writing
+     * buffers to GridFS for a custom file id. The stream's 'id' property contains the resulting
+     * file's id.
+     */
+    openUploadStreamWithId(id, filename, options) {
+        return new upload_1.GridFSBucketWriteStream(this, filename, { ...options, id });
+    }
+    /** Returns a readable stream (GridFSBucketReadStream) for streaming file data from GridFS. */
+    openDownloadStream(id, options) {
+        return new download_1.GridFSBucketReadStream(this.s._chunksCollection, this.s._filesCollection, this.s.options.readPreference, { _id: id }, options);
+    }
+    delete(id, callback) {
+        return (0, utils_1.maybePromise)(callback, callback => {
+            return this.s._filesCollection.deleteOne({ _id: id }, (error, res) => {
+                if (error) {
+                    return callback(error);
+                }
+                return this.s._chunksCollection.deleteMany({ files_id: id }, error => {
+                    if (error) {
+                        return callback(error);
+                    }
+                    // Delete orphaned chunks before returning FileNotFound
+                    if (!(res === null || res === void 0 ? void 0 : res.deletedCount)) {
+                        // TODO(NODE-3483): Replace with more appropriate error
+                        // Consider creating new error MongoGridFSFileNotFoundError
+                        return callback(new error_1.MongoRuntimeError(`File not found for id ${id}`));
+                    }
+                    return callback();
+                });
+            });
+        });
+    }
+    /** Convenience wrapper around find on the files collection */
+    find(filter, options) {
+        filter !== null && filter !== void 0 ? filter : (filter = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.s._filesCollection.find(filter, options);
+    }
+    /**
+     * Returns a readable stream (GridFSBucketReadStream) for streaming the
+     * file with the given name from GridFS. If there are multiple files with
+     * the same name, this will stream the most recent file with the given name
+     * (as determined by the `uploadDate` field). You can set the `revision`
+     * option to change this behavior.
+     */
+    openDownloadStreamByName(filename, options) {
+        let sort = { uploadDate: -1 };
+        let skip = undefined;
+        if (options && options.revision != null) {
+            if (options.revision >= 0) {
+                sort = { uploadDate: 1 };
+                skip = options.revision;
+            }
+            else {
+                skip = -options.revision - 1;
+            }
+        }
+        return new download_1.GridFSBucketReadStream(this.s._chunksCollection, this.s._filesCollection, this.s.options.readPreference, { filename }, { ...options, sort, skip });
+    }
+    rename(id, filename, callback) {
+        return (0, utils_1.maybePromise)(callback, callback => {
+            const filter = { _id: id };
+            const update = { $set: { filename } };
+            return this.s._filesCollection.updateOne(filter, update, (error, res) => {
+                if (error) {
+                    return callback(error);
+                }
+                if (!(res === null || res === void 0 ? void 0 : res.matchedCount)) {
+                    return callback(new error_1.MongoRuntimeError(`File with id ${id} not found`));
+                }
+                return callback();
+            });
+        });
+    }
+    drop(callback) {
+        return (0, utils_1.maybePromise)(callback, callback => {
+            return this.s._filesCollection.drop(error => {
+                if (error) {
+                    return callback(error);
+                }
+                return this.s._chunksCollection.drop(error => {
+                    if (error) {
+                        return callback(error);
+                    }
+                    return callback();
+                });
+            });
+        });
+    }
+    /** Get the Db scoped logger. */
+    getLogger() {
+        return this.s.db.s.logger;
+    }
+}
+exports.GridFSBucket = GridFSBucket;
+/**
+ * When the first call to openUploadStream is made, the upload stream will
+ * check to see if it needs to create the proper indexes on the chunks and
+ * files collections. This event is fired either when 1) it determines that
+ * no index creation is necessary, 2) when it successfully creates the
+ * necessary indexes.
+ * @event
+ */
+GridFSBucket.INDEX = 'index';
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/gridfs/index.js.map b/node_modules/mongodb/lib/gridfs/index.js.map
new file mode 100644
index 000000000..b33d42963
--- /dev/null
+++ b/node_modules/mongodb/lib/gridfs/index.js.map
@@ -0,0 +1 @@
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diff --git a/node_modules/mongodb/lib/gridfs/upload.js b/node_modules/mongodb/lib/gridfs/upload.js
new file mode 100644
index 000000000..43c4b0558
--- /dev/null
+++ b/node_modules/mongodb/lib/gridfs/upload.js
@@ -0,0 +1,377 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.GridFSBucketWriteStream = void 0;
+const stream_1 = require("stream");
+const bson_1 = require("../bson");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const write_concern_1 = require("./../write_concern");
+/**
+ * A writable stream that enables you to write buffers to GridFS.
+ *
+ * Do not instantiate this class directly. Use `openUploadStream()` instead.
+ * @public
+ */
+class GridFSBucketWriteStream extends stream_1.Writable {
+    /**
+     * @param bucket - Handle for this stream's corresponding bucket
+     * @param filename - The value of the 'filename' key in the files doc
+     * @param options - Optional settings.
+     * @internal
+     */
+    constructor(bucket, filename, options) {
+        super();
+        options = options !== null && options !== void 0 ? options : {};
+        this.bucket = bucket;
+        this.chunks = bucket.s._chunksCollection;
+        this.filename = filename;
+        this.files = bucket.s._filesCollection;
+        this.options = options;
+        this.writeConcern = write_concern_1.WriteConcern.fromOptions(options) || bucket.s.options.writeConcern;
+        // Signals the write is all done
+        this.done = false;
+        this.id = options.id ? options.id : new bson_1.ObjectId();
+        // properly inherit the default chunksize from parent
+        this.chunkSizeBytes = options.chunkSizeBytes || this.bucket.s.options.chunkSizeBytes;
+        this.bufToStore = Buffer.alloc(this.chunkSizeBytes);
+        this.length = 0;
+        this.n = 0;
+        this.pos = 0;
+        this.state = {
+            streamEnd: false,
+            outstandingRequests: 0,
+            errored: false,
+            aborted: false
+        };
+        if (!this.bucket.s.calledOpenUploadStream) {
+            this.bucket.s.calledOpenUploadStream = true;
+            checkIndexes(this, () => {
+                this.bucket.s.checkedIndexes = true;
+                this.bucket.emit('index');
+            });
+        }
+    }
+    write(chunk, encodingOrCallback, callback) {
+        const encoding = typeof encodingOrCallback === 'function' ? undefined : encodingOrCallback;
+        callback = typeof encodingOrCallback === 'function' ? encodingOrCallback : callback;
+        return waitForIndexes(this, () => doWrite(this, chunk, encoding, callback));
+    }
+    abort(callback) {
+        return (0, utils_1.maybePromise)(callback, callback => {
+            if (this.state.streamEnd) {
+                // TODO(NODE-3485): Replace with MongoGridFSStreamClosed
+                return callback(new error_1.MongoAPIError('Cannot abort a stream that has already completed'));
+            }
+            if (this.state.aborted) {
+                // TODO(NODE-3485): Replace with MongoGridFSStreamClosed
+                return callback(new error_1.MongoAPIError('Cannot call abort() on a stream twice'));
+            }
+            this.state.aborted = true;
+            this.chunks.deleteMany({ files_id: this.id }, error => callback(error));
+        });
+    }
+    end(chunkOrCallback, encodingOrCallback, callback) {
+        const chunk = typeof chunkOrCallback === 'function' ? undefined : chunkOrCallback;
+        const encoding = typeof encodingOrCallback === 'function' ? undefined : encodingOrCallback;
+        callback =
+            typeof chunkOrCallback === 'function'
+                ? chunkOrCallback
+                : typeof encodingOrCallback === 'function'
+                    ? encodingOrCallback
+                    : callback;
+        if (this.state.streamEnd || checkAborted(this, callback))
+            return this;
+        this.state.streamEnd = true;
+        if (callback) {
+            this.once(GridFSBucketWriteStream.FINISH, (result) => {
+                if (callback)
+                    callback(undefined, result);
+            });
+        }
+        if (!chunk) {
+            waitForIndexes(this, () => !!writeRemnant(this));
+            return this;
+        }
+        this.write(chunk, encoding, () => {
+            writeRemnant(this);
+        });
+        return this;
+    }
+}
+exports.GridFSBucketWriteStream = GridFSBucketWriteStream;
+/** @event */
+GridFSBucketWriteStream.CLOSE = 'close';
+/** @event */
+GridFSBucketWriteStream.ERROR = 'error';
+/**
+ * `end()` was called and the write stream successfully wrote the file metadata and all the chunks to MongoDB.
+ * @event
+ */
+GridFSBucketWriteStream.FINISH = 'finish';
+function __handleError(stream, error, callback) {
+    if (stream.state.errored) {
+        return;
+    }
+    stream.state.errored = true;
+    if (callback) {
+        return callback(error);
+    }
+    stream.emit(GridFSBucketWriteStream.ERROR, error);
+}
+function createChunkDoc(filesId, n, data) {
+    return {
+        _id: new bson_1.ObjectId(),
+        files_id: filesId,
+        n,
+        data
+    };
+}
+function checkChunksIndex(stream, callback) {
+    stream.chunks.listIndexes().toArray((error, indexes) => {
+        let index;
+        if (error) {
+            // Collection doesn't exist so create index
+            if (error instanceof error_1.MongoError && error.code === error_1.MONGODB_ERROR_CODES.NamespaceNotFound) {
+                index = { files_id: 1, n: 1 };
+                stream.chunks.createIndex(index, { background: false, unique: true }, error => {
+                    if (error) {
+                        return callback(error);
+                    }
+                    callback();
+                });
+                return;
+            }
+            return callback(error);
+        }
+        let hasChunksIndex = false;
+        if (indexes) {
+            indexes.forEach((index) => {
+                if (index.key) {
+                    const keys = Object.keys(index.key);
+                    if (keys.length === 2 && index.key.files_id === 1 && index.key.n === 1) {
+                        hasChunksIndex = true;
+                    }
+                }
+            });
+        }
+        if (hasChunksIndex) {
+            callback();
+        }
+        else {
+            index = { files_id: 1, n: 1 };
+            const writeConcernOptions = getWriteOptions(stream);
+            stream.chunks.createIndex(index, {
+                ...writeConcernOptions,
+                background: true,
+                unique: true
+            }, callback);
+        }
+    });
+}
+function checkDone(stream, callback) {
+    if (stream.done)
+        return true;
+    if (stream.state.streamEnd && stream.state.outstandingRequests === 0 && !stream.state.errored) {
+        // Set done so we do not trigger duplicate createFilesDoc
+        stream.done = true;
+        // Create a new files doc
+        const filesDoc = createFilesDoc(stream.id, stream.length, stream.chunkSizeBytes, stream.filename, stream.options.contentType, stream.options.aliases, stream.options.metadata);
+        if (checkAborted(stream, callback)) {
+            return false;
+        }
+        stream.files.insertOne(filesDoc, getWriteOptions(stream), (error) => {
+            if (error) {
+                return __handleError(stream, error, callback);
+            }
+            stream.emit(GridFSBucketWriteStream.FINISH, filesDoc);
+            stream.emit(GridFSBucketWriteStream.CLOSE);
+        });
+        return true;
+    }
+    return false;
+}
+function checkIndexes(stream, callback) {
+    stream.files.findOne({}, { projection: { _id: 1 } }, (error, doc) => {
+        if (error) {
+            return callback(error);
+        }
+        if (doc) {
+            return callback();
+        }
+        stream.files.listIndexes().toArray((error, indexes) => {
+            let index;
+            if (error) {
+                // Collection doesn't exist so create index
+                if (error instanceof error_1.MongoError && error.code === error_1.MONGODB_ERROR_CODES.NamespaceNotFound) {
+                    index = { filename: 1, uploadDate: 1 };
+                    stream.files.createIndex(index, { background: false }, (error) => {
+                        if (error) {
+                            return callback(error);
+                        }
+                        checkChunksIndex(stream, callback);
+                    });
+                    return;
+                }
+                return callback(error);
+            }
+            let hasFileIndex = false;
+            if (indexes) {
+                indexes.forEach((index) => {
+                    const keys = Object.keys(index.key);
+                    if (keys.length === 2 && index.key.filename === 1 && index.key.uploadDate === 1) {
+                        hasFileIndex = true;
+                    }
+                });
+            }
+            if (hasFileIndex) {
+                checkChunksIndex(stream, callback);
+            }
+            else {
+                index = { filename: 1, uploadDate: 1 };
+                const writeConcernOptions = getWriteOptions(stream);
+                stream.files.createIndex(index, {
+                    ...writeConcernOptions,
+                    background: false
+                }, (error) => {
+                    if (error) {
+                        return callback(error);
+                    }
+                    checkChunksIndex(stream, callback);
+                });
+            }
+        });
+    });
+}
+function createFilesDoc(_id, length, chunkSize, filename, contentType, aliases, metadata) {
+    const ret = {
+        _id,
+        length,
+        chunkSize,
+        uploadDate: new Date(),
+        filename
+    };
+    if (contentType) {
+        ret.contentType = contentType;
+    }
+    if (aliases) {
+        ret.aliases = aliases;
+    }
+    if (metadata) {
+        ret.metadata = metadata;
+    }
+    return ret;
+}
+function doWrite(stream, chunk, encoding, callback) {
+    if (checkAborted(stream, callback)) {
+        return false;
+    }
+    const inputBuf = Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk, encoding);
+    stream.length += inputBuf.length;
+    // Input is small enough to fit in our buffer
+    if (stream.pos + inputBuf.length < stream.chunkSizeBytes) {
+        inputBuf.copy(stream.bufToStore, stream.pos);
+        stream.pos += inputBuf.length;
+        callback && callback();
+        // Note that we reverse the typical semantics of write's return value
+        // to be compatible with node's `.pipe()` function.
+        // True means client can keep writing.
+        return true;
+    }
+    // Otherwise, buffer is too big for current chunk, so we need to flush
+    // to MongoDB.
+    let inputBufRemaining = inputBuf.length;
+    let spaceRemaining = stream.chunkSizeBytes - stream.pos;
+    let numToCopy = Math.min(spaceRemaining, inputBuf.length);
+    let outstandingRequests = 0;
+    while (inputBufRemaining > 0) {
+        const inputBufPos = inputBuf.length - inputBufRemaining;
+        inputBuf.copy(stream.bufToStore, stream.pos, inputBufPos, inputBufPos + numToCopy);
+        stream.pos += numToCopy;
+        spaceRemaining -= numToCopy;
+        let doc;
+        if (spaceRemaining === 0) {
+            doc = createChunkDoc(stream.id, stream.n, Buffer.from(stream.bufToStore));
+            ++stream.state.outstandingRequests;
+            ++outstandingRequests;
+            if (checkAborted(stream, callback)) {
+                return false;
+            }
+            stream.chunks.insertOne(doc, getWriteOptions(stream), (error) => {
+                if (error) {
+                    return __handleError(stream, error);
+                }
+                --stream.state.outstandingRequests;
+                --outstandingRequests;
+                if (!outstandingRequests) {
+                    stream.emit('drain', doc);
+                    callback && callback();
+                    checkDone(stream);
+                }
+            });
+            spaceRemaining = stream.chunkSizeBytes;
+            stream.pos = 0;
+            ++stream.n;
+        }
+        inputBufRemaining -= numToCopy;
+        numToCopy = Math.min(spaceRemaining, inputBufRemaining);
+    }
+    // Note that we reverse the typical semantics of write's return value
+    // to be compatible with node's `.pipe()` function.
+    // False means the client should wait for the 'drain' event.
+    return false;
+}
+function getWriteOptions(stream) {
+    const obj = {};
+    if (stream.writeConcern) {
+        obj.writeConcern = {
+            w: stream.writeConcern.w,
+            wtimeout: stream.writeConcern.wtimeout,
+            j: stream.writeConcern.j
+        };
+    }
+    return obj;
+}
+function waitForIndexes(stream, callback) {
+    if (stream.bucket.s.checkedIndexes) {
+        return callback(false);
+    }
+    stream.bucket.once('index', () => {
+        callback(true);
+    });
+    return true;
+}
+function writeRemnant(stream, callback) {
+    // Buffer is empty, so don't bother to insert
+    if (stream.pos === 0) {
+        return checkDone(stream, callback);
+    }
+    ++stream.state.outstandingRequests;
+    // Create a new buffer to make sure the buffer isn't bigger than it needs
+    // to be.
+    const remnant = Buffer.alloc(stream.pos);
+    stream.bufToStore.copy(remnant, 0, 0, stream.pos);
+    const doc = createChunkDoc(stream.id, stream.n, remnant);
+    // If the stream was aborted, do not write remnant
+    if (checkAborted(stream, callback)) {
+        return false;
+    }
+    stream.chunks.insertOne(doc, getWriteOptions(stream), (error) => {
+        if (error) {
+            return __handleError(stream, error);
+        }
+        --stream.state.outstandingRequests;
+        checkDone(stream);
+    });
+    return true;
+}
+function checkAborted(stream, callback) {
+    if (stream.state.aborted) {
+        if (typeof callback === 'function') {
+            // TODO(NODE-3485): Replace with MongoGridFSStreamClosedError
+            callback(new error_1.MongoAPIError('Stream has been aborted'));
+        }
+        return true;
+    }
+    return false;
+}
+//# sourceMappingURL=upload.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/gridfs/upload.js.map b/node_modules/mongodb/lib/gridfs/upload.js.map
new file mode 100644
index 000000000..07606568c
--- /dev/null
+++ b/node_modules/mongodb/lib/gridfs/upload.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/index.js b/node_modules/mongodb/lib/index.js
new file mode 100644
index 000000000..c47aee32a
--- /dev/null
+++ b/node_modules/mongodb/lib/index.js
@@ -0,0 +1,175 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AbstractCursor = exports.MongoWriteConcernError = exports.MongoUnexpectedServerResponseError = exports.MongoTransactionError = exports.MongoTopologyClosedError = exports.MongoTailableCursorError = exports.MongoSystemError = exports.MongoServerSelectionError = exports.MongoServerError = exports.MongoServerClosedError = exports.MongoRuntimeError = exports.MongoParseError = exports.MongoNotConnectedError = exports.MongoNetworkTimeoutError = exports.MongoNetworkError = exports.MongoMissingDependencyError = exports.MongoMissingCredentialsError = exports.MongoKerberosError = exports.MongoInvalidArgumentError = exports.MongoGridFSStreamError = exports.MongoGridFSChunkError = exports.MongoExpiredSessionError = exports.MongoError = exports.MongoDriverError = exports.MongoDecompressionError = exports.MongoCursorInUseError = exports.MongoCursorExhaustedError = exports.MongoCompatibilityError = exports.MongoChangeStreamError = exports.MongoBatchReExecutionError = exports.MongoAWSError = exports.MongoAPIError = exports.MongoBulkWriteError = exports.ObjectID = exports.ChangeStreamCursor = exports.Timestamp = exports.ObjectId = exports.MinKey = exports.MaxKey = exports.Map = exports.Long = exports.Int32 = exports.Double = exports.Decimal128 = exports.DBRef = exports.Code = exports.BSONSymbol = exports.BSONRegExp = exports.Binary = exports.BSON = void 0;
+exports.ConnectionPoolCreatedEvent = exports.ConnectionPoolClosedEvent = exports.ConnectionPoolClearedEvent = exports.ConnectionCreatedEvent = exports.ConnectionClosedEvent = exports.ConnectionCheckOutStartedEvent = exports.ConnectionCheckOutFailedEvent = exports.ConnectionCheckedOutEvent = exports.ConnectionCheckedInEvent = exports.CommandSucceededEvent = exports.CommandStartedEvent = exports.CommandFailedEvent = exports.WriteConcern = exports.ReadPreference = exports.ReadConcern = exports.TopologyType = exports.ServerType = exports.ReadPreferenceMode = exports.ReadConcernLevel = exports.ProfilingLevel = exports.ReturnDocument = exports.BSONType = exports.ServerApiVersion = exports.LoggerLevel = exports.ExplainVerbosity = exports.MongoErrorLabel = exports.AutoEncryptionLoggerLevel = exports.CURSOR_FLAGS = exports.Compressor = exports.AuthMechanism = exports.GSSAPICanonicalizationValue = exports.BatchType = exports.Promise = exports.UnorderedBulkOperation = exports.OrderedBulkOperation = exports.MongoClient = exports.Logger = exports.ListIndexesCursor = exports.ListCollectionsCursor = exports.GridFSBucketWriteStream = exports.GridFSBucketReadStream = exports.GridFSBucket = exports.FindCursor = exports.Db = exports.Collection = exports.ClientSession = exports.ChangeStream = exports.CancellationToken = exports.AggregationCursor = exports.Admin = void 0;
+exports.SrvPollingEvent = exports.TopologyOpeningEvent = exports.TopologyDescriptionChangedEvent = exports.TopologyClosedEvent = exports.ServerOpeningEvent = exports.ServerHeartbeatSucceededEvent = exports.ServerHeartbeatStartedEvent = exports.ServerHeartbeatFailedEvent = exports.ServerDescriptionChangedEvent = exports.ServerClosedEvent = exports.ConnectionReadyEvent = exports.ConnectionPoolReadyEvent = exports.ConnectionPoolMonitoringEvent = void 0;
+const admin_1 = require("./admin");
+Object.defineProperty(exports, "Admin", { enumerable: true, get: function () { return admin_1.Admin; } });
+const bson_1 = require("./bson");
+const ordered_1 = require("./bulk/ordered");
+Object.defineProperty(exports, "OrderedBulkOperation", { enumerable: true, get: function () { return ordered_1.OrderedBulkOperation; } });
+const unordered_1 = require("./bulk/unordered");
+Object.defineProperty(exports, "UnorderedBulkOperation", { enumerable: true, get: function () { return unordered_1.UnorderedBulkOperation; } });
+const change_stream_1 = require("./change_stream");
+Object.defineProperty(exports, "ChangeStream", { enumerable: true, get: function () { return change_stream_1.ChangeStream; } });
+const collection_1 = require("./collection");
+Object.defineProperty(exports, "Collection", { enumerable: true, get: function () { return collection_1.Collection; } });
+const abstract_cursor_1 = require("./cursor/abstract_cursor");
+Object.defineProperty(exports, "AbstractCursor", { enumerable: true, get: function () { return abstract_cursor_1.AbstractCursor; } });
+const aggregation_cursor_1 = require("./cursor/aggregation_cursor");
+Object.defineProperty(exports, "AggregationCursor", { enumerable: true, get: function () { return aggregation_cursor_1.AggregationCursor; } });
+const find_cursor_1 = require("./cursor/find_cursor");
+Object.defineProperty(exports, "FindCursor", { enumerable: true, get: function () { return find_cursor_1.FindCursor; } });
+const list_collections_cursor_1 = require("./cursor/list_collections_cursor");
+Object.defineProperty(exports, "ListCollectionsCursor", { enumerable: true, get: function () { return list_collections_cursor_1.ListCollectionsCursor; } });
+const list_indexes_cursor_1 = require("./cursor/list_indexes_cursor");
+Object.defineProperty(exports, "ListIndexesCursor", { enumerable: true, get: function () { return list_indexes_cursor_1.ListIndexesCursor; } });
+const db_1 = require("./db");
+Object.defineProperty(exports, "Db", { enumerable: true, get: function () { return db_1.Db; } });
+const gridfs_1 = require("./gridfs");
+Object.defineProperty(exports, "GridFSBucket", { enumerable: true, get: function () { return gridfs_1.GridFSBucket; } });
+const download_1 = require("./gridfs/download");
+Object.defineProperty(exports, "GridFSBucketReadStream", { enumerable: true, get: function () { return download_1.GridFSBucketReadStream; } });
+const upload_1 = require("./gridfs/upload");
+Object.defineProperty(exports, "GridFSBucketWriteStream", { enumerable: true, get: function () { return upload_1.GridFSBucketWriteStream; } });
+const logger_1 = require("./logger");
+Object.defineProperty(exports, "Logger", { enumerable: true, get: function () { return logger_1.Logger; } });
+const mongo_client_1 = require("./mongo_client");
+Object.defineProperty(exports, "MongoClient", { enumerable: true, get: function () { return mongo_client_1.MongoClient; } });
+const mongo_types_1 = require("./mongo_types");
+Object.defineProperty(exports, "CancellationToken", { enumerable: true, get: function () { return mongo_types_1.CancellationToken; } });
+const promise_provider_1 = require("./promise_provider");
+Object.defineProperty(exports, "Promise", { enumerable: true, get: function () { return promise_provider_1.PromiseProvider; } });
+const sessions_1 = require("./sessions");
+Object.defineProperty(exports, "ClientSession", { enumerable: true, get: function () { return sessions_1.ClientSession; } });
+/** @internal */
+var bson_2 = require("./bson");
+Object.defineProperty(exports, "BSON", { enumerable: true, get: function () { return bson_2.BSON; } });
+var bson_3 = require("./bson");
+Object.defineProperty(exports, "Binary", { enumerable: true, get: function () { return bson_3.Binary; } });
+Object.defineProperty(exports, "BSONRegExp", { enumerable: true, get: function () { return bson_3.BSONRegExp; } });
+Object.defineProperty(exports, "BSONSymbol", { enumerable: true, get: function () { return bson_3.BSONSymbol; } });
+Object.defineProperty(exports, "Code", { enumerable: true, get: function () { return bson_3.Code; } });
+Object.defineProperty(exports, "DBRef", { enumerable: true, get: function () { return bson_3.DBRef; } });
+Object.defineProperty(exports, "Decimal128", { enumerable: true, get: function () { return bson_3.Decimal128; } });
+Object.defineProperty(exports, "Double", { enumerable: true, get: function () { return bson_3.Double; } });
+Object.defineProperty(exports, "Int32", { enumerable: true, get: function () { return bson_3.Int32; } });
+Object.defineProperty(exports, "Long", { enumerable: true, get: function () { return bson_3.Long; } });
+Object.defineProperty(exports, "Map", { enumerable: true, get: function () { return bson_3.Map; } });
+Object.defineProperty(exports, "MaxKey", { enumerable: true, get: function () { return bson_3.MaxKey; } });
+Object.defineProperty(exports, "MinKey", { enumerable: true, get: function () { return bson_3.MinKey; } });
+Object.defineProperty(exports, "ObjectId", { enumerable: true, get: function () { return bson_3.ObjectId; } });
+Object.defineProperty(exports, "Timestamp", { enumerable: true, get: function () { return bson_3.Timestamp; } });
+var change_stream_cursor_1 = require("./cursor/change_stream_cursor");
+Object.defineProperty(exports, "ChangeStreamCursor", { enumerable: true, get: function () { return change_stream_cursor_1.ChangeStreamCursor; } });
+/**
+ * @public
+ * @deprecated Please use `ObjectId`
+ */
+exports.ObjectID = bson_1.ObjectId;
+var common_1 = require("./bulk/common");
+Object.defineProperty(exports, "MongoBulkWriteError", { enumerable: true, get: function () { return common_1.MongoBulkWriteError; } });
+var error_1 = require("./error");
+Object.defineProperty(exports, "MongoAPIError", { enumerable: true, get: function () { return error_1.MongoAPIError; } });
+Object.defineProperty(exports, "MongoAWSError", { enumerable: true, get: function () { return error_1.MongoAWSError; } });
+Object.defineProperty(exports, "MongoBatchReExecutionError", { enumerable: true, get: function () { return error_1.MongoBatchReExecutionError; } });
+Object.defineProperty(exports, "MongoChangeStreamError", { enumerable: true, get: function () { return error_1.MongoChangeStreamError; } });
+Object.defineProperty(exports, "MongoCompatibilityError", { enumerable: true, get: function () { return error_1.MongoCompatibilityError; } });
+Object.defineProperty(exports, "MongoCursorExhaustedError", { enumerable: true, get: function () { return error_1.MongoCursorExhaustedError; } });
+Object.defineProperty(exports, "MongoCursorInUseError", { enumerable: true, get: function () { return error_1.MongoCursorInUseError; } });
+Object.defineProperty(exports, "MongoDecompressionError", { enumerable: true, get: function () { return error_1.MongoDecompressionError; } });
+Object.defineProperty(exports, "MongoDriverError", { enumerable: true, get: function () { return error_1.MongoDriverError; } });
+Object.defineProperty(exports, "MongoError", { enumerable: true, get: function () { return error_1.MongoError; } });
+Object.defineProperty(exports, "MongoExpiredSessionError", { enumerable: true, get: function () { return error_1.MongoExpiredSessionError; } });
+Object.defineProperty(exports, "MongoGridFSChunkError", { enumerable: true, get: function () { return error_1.MongoGridFSChunkError; } });
+Object.defineProperty(exports, "MongoGridFSStreamError", { enumerable: true, get: function () { return error_1.MongoGridFSStreamError; } });
+Object.defineProperty(exports, "MongoInvalidArgumentError", { enumerable: true, get: function () { return error_1.MongoInvalidArgumentError; } });
+Object.defineProperty(exports, "MongoKerberosError", { enumerable: true, get: function () { return error_1.MongoKerberosError; } });
+Object.defineProperty(exports, "MongoMissingCredentialsError", { enumerable: true, get: function () { return error_1.MongoMissingCredentialsError; } });
+Object.defineProperty(exports, "MongoMissingDependencyError", { enumerable: true, get: function () { return error_1.MongoMissingDependencyError; } });
+Object.defineProperty(exports, "MongoNetworkError", { enumerable: true, get: function () { return error_1.MongoNetworkError; } });
+Object.defineProperty(exports, "MongoNetworkTimeoutError", { enumerable: true, get: function () { return error_1.MongoNetworkTimeoutError; } });
+Object.defineProperty(exports, "MongoNotConnectedError", { enumerable: true, get: function () { return error_1.MongoNotConnectedError; } });
+Object.defineProperty(exports, "MongoParseError", { enumerable: true, get: function () { return error_1.MongoParseError; } });
+Object.defineProperty(exports, "MongoRuntimeError", { enumerable: true, get: function () { return error_1.MongoRuntimeError; } });
+Object.defineProperty(exports, "MongoServerClosedError", { enumerable: true, get: function () { return error_1.MongoServerClosedError; } });
+Object.defineProperty(exports, "MongoServerError", { enumerable: true, get: function () { return error_1.MongoServerError; } });
+Object.defineProperty(exports, "MongoServerSelectionError", { enumerable: true, get: function () { return error_1.MongoServerSelectionError; } });
+Object.defineProperty(exports, "MongoSystemError", { enumerable: true, get: function () { return error_1.MongoSystemError; } });
+Object.defineProperty(exports, "MongoTailableCursorError", { enumerable: true, get: function () { return error_1.MongoTailableCursorError; } });
+Object.defineProperty(exports, "MongoTopologyClosedError", { enumerable: true, get: function () { return error_1.MongoTopologyClosedError; } });
+Object.defineProperty(exports, "MongoTransactionError", { enumerable: true, get: function () { return error_1.MongoTransactionError; } });
+Object.defineProperty(exports, "MongoUnexpectedServerResponseError", { enumerable: true, get: function () { return error_1.MongoUnexpectedServerResponseError; } });
+Object.defineProperty(exports, "MongoWriteConcernError", { enumerable: true, get: function () { return error_1.MongoWriteConcernError; } });
+// enums
+var common_2 = require("./bulk/common");
+Object.defineProperty(exports, "BatchType", { enumerable: true, get: function () { return common_2.BatchType; } });
+var gssapi_1 = require("./cmap/auth/gssapi");
+Object.defineProperty(exports, "GSSAPICanonicalizationValue", { enumerable: true, get: function () { return gssapi_1.GSSAPICanonicalizationValue; } });
+var providers_1 = require("./cmap/auth/providers");
+Object.defineProperty(exports, "AuthMechanism", { enumerable: true, get: function () { return providers_1.AuthMechanism; } });
+var compression_1 = require("./cmap/wire_protocol/compression");
+Object.defineProperty(exports, "Compressor", { enumerable: true, get: function () { return compression_1.Compressor; } });
+var abstract_cursor_2 = require("./cursor/abstract_cursor");
+Object.defineProperty(exports, "CURSOR_FLAGS", { enumerable: true, get: function () { return abstract_cursor_2.CURSOR_FLAGS; } });
+var deps_1 = require("./deps");
+Object.defineProperty(exports, "AutoEncryptionLoggerLevel", { enumerable: true, get: function () { return deps_1.AutoEncryptionLoggerLevel; } });
+var error_2 = require("./error");
+Object.defineProperty(exports, "MongoErrorLabel", { enumerable: true, get: function () { return error_2.MongoErrorLabel; } });
+var explain_1 = require("./explain");
+Object.defineProperty(exports, "ExplainVerbosity", { enumerable: true, get: function () { return explain_1.ExplainVerbosity; } });
+var logger_2 = require("./logger");
+Object.defineProperty(exports, "LoggerLevel", { enumerable: true, get: function () { return logger_2.LoggerLevel; } });
+var mongo_client_2 = require("./mongo_client");
+Object.defineProperty(exports, "ServerApiVersion", { enumerable: true, get: function () { return mongo_client_2.ServerApiVersion; } });
+var mongo_types_2 = require("./mongo_types");
+Object.defineProperty(exports, "BSONType", { enumerable: true, get: function () { return mongo_types_2.BSONType; } });
+var find_and_modify_1 = require("./operations/find_and_modify");
+Object.defineProperty(exports, "ReturnDocument", { enumerable: true, get: function () { return find_and_modify_1.ReturnDocument; } });
+var set_profiling_level_1 = require("./operations/set_profiling_level");
+Object.defineProperty(exports, "ProfilingLevel", { enumerable: true, get: function () { return set_profiling_level_1.ProfilingLevel; } });
+var read_concern_1 = require("./read_concern");
+Object.defineProperty(exports, "ReadConcernLevel", { enumerable: true, get: function () { return read_concern_1.ReadConcernLevel; } });
+var read_preference_1 = require("./read_preference");
+Object.defineProperty(exports, "ReadPreferenceMode", { enumerable: true, get: function () { return read_preference_1.ReadPreferenceMode; } });
+var common_3 = require("./sdam/common");
+Object.defineProperty(exports, "ServerType", { enumerable: true, get: function () { return common_3.ServerType; } });
+Object.defineProperty(exports, "TopologyType", { enumerable: true, get: function () { return common_3.TopologyType; } });
+// Helper classes
+var read_concern_2 = require("./read_concern");
+Object.defineProperty(exports, "ReadConcern", { enumerable: true, get: function () { return read_concern_2.ReadConcern; } });
+var read_preference_2 = require("./read_preference");
+Object.defineProperty(exports, "ReadPreference", { enumerable: true, get: function () { return read_preference_2.ReadPreference; } });
+var write_concern_1 = require("./write_concern");
+Object.defineProperty(exports, "WriteConcern", { enumerable: true, get: function () { return write_concern_1.WriteConcern; } });
+// events
+var command_monitoring_events_1 = require("./cmap/command_monitoring_events");
+Object.defineProperty(exports, "CommandFailedEvent", { enumerable: true, get: function () { return command_monitoring_events_1.CommandFailedEvent; } });
+Object.defineProperty(exports, "CommandStartedEvent", { enumerable: true, get: function () { return command_monitoring_events_1.CommandStartedEvent; } });
+Object.defineProperty(exports, "CommandSucceededEvent", { enumerable: true, get: function () { return command_monitoring_events_1.CommandSucceededEvent; } });
+var connection_pool_events_1 = require("./cmap/connection_pool_events");
+Object.defineProperty(exports, "ConnectionCheckedInEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionCheckedInEvent; } });
+Object.defineProperty(exports, "ConnectionCheckedOutEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionCheckedOutEvent; } });
+Object.defineProperty(exports, "ConnectionCheckOutFailedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionCheckOutFailedEvent; } });
+Object.defineProperty(exports, "ConnectionCheckOutStartedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionCheckOutStartedEvent; } });
+Object.defineProperty(exports, "ConnectionClosedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionClosedEvent; } });
+Object.defineProperty(exports, "ConnectionCreatedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionCreatedEvent; } });
+Object.defineProperty(exports, "ConnectionPoolClearedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionPoolClearedEvent; } });
+Object.defineProperty(exports, "ConnectionPoolClosedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionPoolClosedEvent; } });
+Object.defineProperty(exports, "ConnectionPoolCreatedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionPoolCreatedEvent; } });
+Object.defineProperty(exports, "ConnectionPoolMonitoringEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionPoolMonitoringEvent; } });
+Object.defineProperty(exports, "ConnectionPoolReadyEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionPoolReadyEvent; } });
+Object.defineProperty(exports, "ConnectionReadyEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionReadyEvent; } });
+var events_1 = require("./sdam/events");
+Object.defineProperty(exports, "ServerClosedEvent", { enumerable: true, get: function () { return events_1.ServerClosedEvent; } });
+Object.defineProperty(exports, "ServerDescriptionChangedEvent", { enumerable: true, get: function () { return events_1.ServerDescriptionChangedEvent; } });
+Object.defineProperty(exports, "ServerHeartbeatFailedEvent", { enumerable: true, get: function () { return events_1.ServerHeartbeatFailedEvent; } });
+Object.defineProperty(exports, "ServerHeartbeatStartedEvent", { enumerable: true, get: function () { return events_1.ServerHeartbeatStartedEvent; } });
+Object.defineProperty(exports, "ServerHeartbeatSucceededEvent", { enumerable: true, get: function () { return events_1.ServerHeartbeatSucceededEvent; } });
+Object.defineProperty(exports, "ServerOpeningEvent", { enumerable: true, get: function () { return events_1.ServerOpeningEvent; } });
+Object.defineProperty(exports, "TopologyClosedEvent", { enumerable: true, get: function () { return events_1.TopologyClosedEvent; } });
+Object.defineProperty(exports, "TopologyDescriptionChangedEvent", { enumerable: true, get: function () { return events_1.TopologyDescriptionChangedEvent; } });
+Object.defineProperty(exports, "TopologyOpeningEvent", { enumerable: true, get: function () { return events_1.TopologyOpeningEvent; } });
+var srv_polling_1 = require("./sdam/srv_polling");
+Object.defineProperty(exports, "SrvPollingEvent", { enumerable: true, get: function () { return srv_polling_1.SrvPollingEvent; } });
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/index.js.map b/node_modules/mongodb/lib/index.js.map
new file mode 100644
index 000000000..c9a53bf10
--- /dev/null
+++ b/node_modules/mongodb/lib/index.js.map
@@ -0,0 +1 @@
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diff --git a/node_modules/mongodb/lib/logger.js b/node_modules/mongodb/lib/logger.js
new file mode 100644
index 000000000..03e036e7c
--- /dev/null
+++ b/node_modules/mongodb/lib/logger.js
@@ -0,0 +1,217 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Logger = exports.LoggerLevel = void 0;
+const util_1 = require("util");
+const error_1 = require("./error");
+const utils_1 = require("./utils");
+// Filters for classes
+const classFilters = {};
+let filteredClasses = {};
+let level;
+// Save the process id
+const pid = process.pid;
+// current logger
+// eslint-disable-next-line no-console
+let currentLogger = console.warn;
+/** @public */
+exports.LoggerLevel = Object.freeze({
+    ERROR: 'error',
+    WARN: 'warn',
+    INFO: 'info',
+    DEBUG: 'debug',
+    error: 'error',
+    warn: 'warn',
+    info: 'info',
+    debug: 'debug'
+});
+/**
+ * @public
+ */
+class Logger {
+    /**
+     * Creates a new Logger instance
+     *
+     * @param className - The Class name associated with the logging instance
+     * @param options - Optional logging settings
+     */
+    constructor(className, options) {
+        options = options !== null && options !== void 0 ? options : {};
+        // Current reference
+        this.className = className;
+        // Current logger
+        if (!(options.logger instanceof Logger) && typeof options.logger === 'function') {
+            currentLogger = options.logger;
+        }
+        // Set level of logging, default is error
+        if (options.loggerLevel) {
+            level = options.loggerLevel || exports.LoggerLevel.ERROR;
+        }
+        // Add all class names
+        if (filteredClasses[this.className] == null) {
+            classFilters[this.className] = true;
+        }
+    }
+    /**
+     * Log a message at the debug level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    debug(message, object) {
+        if (this.isDebug() &&
+            ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+                (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))) {
+            const dateTime = new Date().getTime();
+            const msg = (0, util_1.format)('[%s-%s:%s] %s %s', 'DEBUG', this.className, pid, dateTime, message);
+            const state = {
+                type: exports.LoggerLevel.DEBUG,
+                message,
+                className: this.className,
+                pid,
+                date: dateTime
+            };
+            if (object)
+                state.meta = object;
+            currentLogger(msg, state);
+        }
+    }
+    /**
+     * Log a message at the warn level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    warn(message, object) {
+        if (this.isWarn() &&
+            ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+                (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))) {
+            const dateTime = new Date().getTime();
+            const msg = (0, util_1.format)('[%s-%s:%s] %s %s', 'WARN', this.className, pid, dateTime, message);
+            const state = {
+                type: exports.LoggerLevel.WARN,
+                message,
+                className: this.className,
+                pid,
+                date: dateTime
+            };
+            if (object)
+                state.meta = object;
+            currentLogger(msg, state);
+        }
+    }
+    /**
+     * Log a message at the info level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    info(message, object) {
+        if (this.isInfo() &&
+            ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+                (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))) {
+            const dateTime = new Date().getTime();
+            const msg = (0, util_1.format)('[%s-%s:%s] %s %s', 'INFO', this.className, pid, dateTime, message);
+            const state = {
+                type: exports.LoggerLevel.INFO,
+                message,
+                className: this.className,
+                pid,
+                date: dateTime
+            };
+            if (object)
+                state.meta = object;
+            currentLogger(msg, state);
+        }
+    }
+    /**
+     * Log a message at the error level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    error(message, object) {
+        if (this.isError() &&
+            ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+                (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))) {
+            const dateTime = new Date().getTime();
+            const msg = (0, util_1.format)('[%s-%s:%s] %s %s', 'ERROR', this.className, pid, dateTime, message);
+            const state = {
+                type: exports.LoggerLevel.ERROR,
+                message,
+                className: this.className,
+                pid,
+                date: dateTime
+            };
+            if (object)
+                state.meta = object;
+            currentLogger(msg, state);
+        }
+    }
+    /** Is the logger set at info level */
+    isInfo() {
+        return level === exports.LoggerLevel.INFO || level === exports.LoggerLevel.DEBUG;
+    }
+    /** Is the logger set at error level */
+    isError() {
+        return level === exports.LoggerLevel.ERROR || level === exports.LoggerLevel.INFO || level === exports.LoggerLevel.DEBUG;
+    }
+    /** Is the logger set at error level */
+    isWarn() {
+        return (level === exports.LoggerLevel.ERROR ||
+            level === exports.LoggerLevel.WARN ||
+            level === exports.LoggerLevel.INFO ||
+            level === exports.LoggerLevel.DEBUG);
+    }
+    /** Is the logger set at debug level */
+    isDebug() {
+        return level === exports.LoggerLevel.DEBUG;
+    }
+    /** Resets the logger to default settings, error and no filtered classes */
+    static reset() {
+        level = exports.LoggerLevel.ERROR;
+        filteredClasses = {};
+    }
+    /** Get the current logger function */
+    static currentLogger() {
+        return currentLogger;
+    }
+    /**
+     * Set the current logger function
+     *
+     * @param logger - Custom logging function
+     */
+    static setCurrentLogger(logger) {
+        if (typeof logger !== 'function') {
+            throw new error_1.MongoInvalidArgumentError('Current logger must be a function');
+        }
+        currentLogger = logger;
+    }
+    /**
+     * Filter log messages for a particular class
+     *
+     * @param type - The type of filter (currently only class)
+     * @param values - The filters to apply
+     */
+    static filter(type, values) {
+        if (type === 'class' && Array.isArray(values)) {
+            filteredClasses = {};
+            values.forEach(x => (filteredClasses[x] = true));
+        }
+    }
+    /**
+     * Set the current log level
+     *
+     * @param newLevel - Set current log level (debug, warn, info, error)
+     */
+    static setLevel(newLevel) {
+        if (newLevel !== exports.LoggerLevel.INFO &&
+            newLevel !== exports.LoggerLevel.ERROR &&
+            newLevel !== exports.LoggerLevel.DEBUG &&
+            newLevel !== exports.LoggerLevel.WARN) {
+            throw new error_1.MongoInvalidArgumentError(`Argument "newLevel" should be one of ${(0, utils_1.enumToString)(exports.LoggerLevel)}`);
+        }
+        level = newLevel;
+    }
+}
+exports.Logger = Logger;
+//# sourceMappingURL=logger.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/logger.js.map b/node_modules/mongodb/lib/logger.js.map
new file mode 100644
index 000000000..4bd0592f8
--- /dev/null
+++ b/node_modules/mongodb/lib/logger.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/mongo_client.js b/node_modules/mongodb/lib/mongo_client.js
new file mode 100644
index 000000000..7a5baf348
--- /dev/null
+++ b/node_modules/mongodb/lib/mongo_client.js
@@ -0,0 +1,292 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MongoClient = exports.ServerApiVersion = void 0;
+const bson_1 = require("./bson");
+const change_stream_1 = require("./change_stream");
+const connection_string_1 = require("./connection_string");
+const db_1 = require("./db");
+const error_1 = require("./error");
+const mongo_types_1 = require("./mongo_types");
+const connect_1 = require("./operations/connect");
+const promise_provider_1 = require("./promise_provider");
+const read_preference_1 = require("./read_preference");
+const server_selection_1 = require("./sdam/server_selection");
+const sessions_1 = require("./sessions");
+const utils_1 = require("./utils");
+/** @public */
+exports.ServerApiVersion = Object.freeze({
+    v1: '1'
+});
+/** @internal */
+const kOptions = Symbol('options');
+/**
+ * The **MongoClient** class is a class that allows for making Connections to MongoDB.
+ * @public
+ *
+ * @remarks
+ * The programmatically provided options take precedence over the URI options.
+ *
+ * @example
+ * ```ts
+ * import { MongoClient } from 'mongodb';
+ *
+ * // Enable command monitoring for debugging
+ * const client = new MongoClient('mongodb://localhost:27017', { monitorCommands: true });
+ *
+ * client.on('commandStarted', started => console.log(started));
+ * client.db().collection('pets');
+ * await client.insertOne({ name: 'spot', kind: 'dog' });
+ * ```
+ */
+class MongoClient extends mongo_types_1.TypedEventEmitter {
+    constructor(url, options) {
+        super();
+        this[kOptions] = (0, connection_string_1.parseOptions)(url, this, options);
+        // eslint-disable-next-line @typescript-eslint/no-this-alias
+        const client = this;
+        // The internal state
+        this.s = {
+            url,
+            bsonOptions: (0, bson_1.resolveBSONOptions)(this[kOptions]),
+            namespace: (0, utils_1.ns)('admin'),
+            hasBeenClosed: false,
+            sessionPool: new sessions_1.ServerSessionPool(this),
+            activeSessions: new Set(),
+            get options() {
+                return client[kOptions];
+            },
+            get readConcern() {
+                return client[kOptions].readConcern;
+            },
+            get writeConcern() {
+                return client[kOptions].writeConcern;
+            },
+            get readPreference() {
+                return client[kOptions].readPreference;
+            },
+            get logger() {
+                return client[kOptions].logger;
+            },
+            get isMongoClient() {
+                return true;
+            }
+        };
+    }
+    get options() {
+        return Object.freeze({ ...this[kOptions] });
+    }
+    get serverApi() {
+        return this[kOptions].serverApi && Object.freeze({ ...this[kOptions].serverApi });
+    }
+    /**
+     * Intended for APM use only
+     * @internal
+     */
+    get monitorCommands() {
+        return this[kOptions].monitorCommands;
+    }
+    set monitorCommands(value) {
+        this[kOptions].monitorCommands = value;
+    }
+    get autoEncrypter() {
+        return this[kOptions].autoEncrypter;
+    }
+    get readConcern() {
+        return this.s.readConcern;
+    }
+    get writeConcern() {
+        return this.s.writeConcern;
+    }
+    get readPreference() {
+        return this.s.readPreference;
+    }
+    get bsonOptions() {
+        return this.s.bsonOptions;
+    }
+    get logger() {
+        return this.s.logger;
+    }
+    connect(callback) {
+        if (callback && typeof callback !== 'function') {
+            throw new error_1.MongoInvalidArgumentError('Method `connect` only accepts a callback');
+        }
+        return (0, utils_1.maybePromise)(callback, cb => {
+            (0, connect_1.connect)(this, this[kOptions], err => {
+                if (err)
+                    return cb(err);
+                cb(undefined, this);
+            });
+        });
+    }
+    close(forceOrCallback, callback) {
+        // There's no way to set hasBeenClosed back to false
+        Object.defineProperty(this.s, 'hasBeenClosed', {
+            value: true,
+            enumerable: true,
+            configurable: false,
+            writable: false
+        });
+        if (typeof forceOrCallback === 'function') {
+            callback = forceOrCallback;
+        }
+        const force = typeof forceOrCallback === 'boolean' ? forceOrCallback : false;
+        return (0, utils_1.maybePromise)(callback, callback => {
+            if (this.topology == null) {
+                // Do not connect just to end sessions
+                return callback();
+            }
+            const activeSessionEnds = Array.from(this.s.activeSessions, session => session.endSession());
+            this.s.activeSessions.clear();
+            Promise.all(activeSessionEnds)
+                .then(() => {
+                if (this.topology == null) {
+                    return;
+                }
+                // If we would attempt to select a server and get nothing back we short circuit
+                // to avoid the server selection timeout.
+                const selector = (0, server_selection_1.readPreferenceServerSelector)(read_preference_1.ReadPreference.primaryPreferred);
+                const topologyDescription = this.topology.description;
+                const serverDescriptions = Array.from(topologyDescription.servers.values());
+                const servers = selector(topologyDescription, serverDescriptions);
+                if (servers.length === 0) {
+                    return;
+                }
+                const endSessions = Array.from(this.s.sessionPool.sessions, ({ id }) => id);
+                if (endSessions.length === 0)
+                    return;
+                return this.db('admin')
+                    .command({ endSessions }, { readPreference: read_preference_1.ReadPreference.primaryPreferred, noResponse: true })
+                    .catch(() => null); // outcome does not matter
+            })
+                .then(() => {
+                if (this.topology == null) {
+                    return;
+                }
+                // clear out references to old topology
+                const topology = this.topology;
+                this.topology = undefined;
+                return new Promise((resolve, reject) => {
+                    topology.close({ force }, error => {
+                        if (error)
+                            return reject(error);
+                        const { encrypter } = this[kOptions];
+                        if (encrypter) {
+                            return encrypter.close(this, force, error => {
+                                if (error)
+                                    return reject(error);
+                                resolve();
+                            });
+                        }
+                        resolve();
+                    });
+                });
+            })
+                .then(() => callback(), error => callback(error));
+        });
+    }
+    /**
+     * Create a new Db instance sharing the current socket connections.
+     *
+     * @param dbName - The name of the database we want to use. If not provided, use database name from connection string.
+     * @param options - Optional settings for Db construction
+     */
+    db(dbName, options) {
+        options = options !== null && options !== void 0 ? options : {};
+        // Default to db from connection string if not provided
+        if (!dbName) {
+            dbName = this.options.dbName;
+        }
+        // Copy the options and add out internal override of the not shared flag
+        const finalOptions = Object.assign({}, this[kOptions], options);
+        // Return the db object
+        const db = new db_1.Db(this, dbName, finalOptions);
+        // Return the database
+        return db;
+    }
+    static connect(url, options, callback) {
+        var _a;
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        try {
+            // Create client
+            const mongoClient = new MongoClient(url, options);
+            // Execute the connect method
+            if (callback) {
+                return mongoClient.connect(callback);
+            }
+            else {
+                return mongoClient.connect();
+            }
+        }
+        catch (error) {
+            if (callback) {
+                return callback(error);
+            }
+            else {
+                const PromiseConstructor = (_a = promise_provider_1.PromiseProvider.get()) !== null && _a !== void 0 ? _a : Promise;
+                return PromiseConstructor.reject(error);
+            }
+        }
+    }
+    startSession(options) {
+        const session = new sessions_1.ClientSession(this, this.s.sessionPool, { explicit: true, ...options }, this[kOptions]);
+        this.s.activeSessions.add(session);
+        session.once('ended', () => {
+            this.s.activeSessions.delete(session);
+        });
+        return session;
+    }
+    withSession(optionsOrOperation, callback) {
+        var _a;
+        const options = {
+            // Always define an owner
+            owner: Symbol(),
+            // If it's an object inherit the options
+            ...(typeof optionsOrOperation === 'object' ? optionsOrOperation : {})
+        };
+        const withSessionCallback = typeof optionsOrOperation === 'function' ? optionsOrOperation : callback;
+        if (withSessionCallback == null) {
+            throw new error_1.MongoInvalidArgumentError('Missing required callback parameter');
+        }
+        const session = this.startSession(options);
+        const PromiseConstructor = (_a = promise_provider_1.PromiseProvider.get()) !== null && _a !== void 0 ? _a : Promise;
+        return PromiseConstructor.resolve()
+            .then(() => withSessionCallback(session))
+            .then(() => {
+            // Do not return the result of callback
+        })
+            .finally(() => {
+            session.endSession().catch(() => null);
+        });
+    }
+    /**
+     * Create a new Change Stream, watching for new changes (insertions, updates,
+     * replacements, deletions, and invalidations) in this cluster. Will ignore all
+     * changes to system collections, as well as the local, admin, and config databases.
+     *
+     * @remarks
+     * watch() accepts two generic arguments for distinct usecases:
+     * - The first is to provide the schema that may be defined for all the data within the current cluster
+     * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+     *
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+     * @param options - Optional settings for the command
+     * @typeParam TSchema - Type of the data being detected by the change stream
+     * @typeParam TChange - Type of the whole change stream document emitted
+     */
+    watch(pipeline = [], options = {}) {
+        // Allow optionally not specifying a pipeline
+        if (!Array.isArray(pipeline)) {
+            options = pipeline;
+            pipeline = [];
+        }
+        return new change_stream_1.ChangeStream(this, pipeline, (0, utils_1.resolveOptions)(this, options));
+    }
+    /** Return the mongo client logger */
+    getLogger() {
+        return this.s.logger;
+    }
+}
+exports.MongoClient = MongoClient;
+//# sourceMappingURL=mongo_client.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/mongo_client.js.map b/node_modules/mongodb/lib/mongo_client.js.map
new file mode 100644
index 000000000..285e491e7
--- /dev/null
+++ b/node_modules/mongodb/lib/mongo_client.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/mongo_types.js b/node_modules/mongodb/lib/mongo_types.js
new file mode 100644
index 000000000..7cd40483f
--- /dev/null
+++ b/node_modules/mongodb/lib/mongo_types.js
@@ -0,0 +1,41 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CancellationToken = exports.TypedEventEmitter = exports.BSONType = void 0;
+const events_1 = require("events");
+/** @public */
+exports.BSONType = Object.freeze({
+    double: 1,
+    string: 2,
+    object: 3,
+    array: 4,
+    binData: 5,
+    undefined: 6,
+    objectId: 7,
+    bool: 8,
+    date: 9,
+    null: 10,
+    regex: 11,
+    dbPointer: 12,
+    javascript: 13,
+    symbol: 14,
+    javascriptWithScope: 15,
+    int: 16,
+    timestamp: 17,
+    long: 18,
+    decimal: 19,
+    minKey: -1,
+    maxKey: 127
+});
+/**
+ * Typescript type safe event emitter
+ * @public
+ */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+class TypedEventEmitter extends events_1.EventEmitter {
+}
+exports.TypedEventEmitter = TypedEventEmitter;
+/** @public */
+class CancellationToken extends TypedEventEmitter {
+}
+exports.CancellationToken = CancellationToken;
+//# sourceMappingURL=mongo_types.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/mongo_types.js.map b/node_modules/mongodb/lib/mongo_types.js.map
new file mode 100644
index 000000000..e1221e563
--- /dev/null
+++ b/node_modules/mongodb/lib/mongo_types.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"mongo_types.js","sourceRoot":"","sources":["../src/mongo_types.ts"],"names":[],"mappings":";;;AACA,mCAAsC;AAmKtC,cAAc;AACD,QAAA,QAAQ,GAAG,MAAM,CAAC,MAAM,CAAC;IACpC,MAAM,EAAE,CAAC;IACT,MAAM,EAAE,CAAC;IACT,MAAM,EAAE,CAAC;IACT,KAAK,EAAE,CAAC;IACR,OAAO,EAAE,CAAC;IACV,SAAS,EAAE,CAAC;IACZ,QAAQ,EAAE,CAAC;IACX,IAAI,EAAE,CAAC;IACP,IAAI,EAAE,CAAC;IACP,IAAI,EAAE,EAAE;IACR,KAAK,EAAE,EAAE;IACT,SAAS,EAAE,EAAE;IACb,UAAU,EAAE,EAAE;IACd,MAAM,EAAE,EAAE;IACV,mBAAmB,EAAE,EAAE;IACvB,GAAG,EAAE,EAAE;IACP,SAAS,EAAE,EAAE;IACb,IAAI,EAAE,EAAE;IACR,OAAO,EAAE,EAAE;IACX,MAAM,EAAE,CAAC,CAAC;IACV,MAAM,EAAE,GAAG;CACH,CAAC,CAAC;AAyQZ;;;GAGG;AACH,6DAA6D;AAC7D,MAAa,iBAAoD,SAAQ,qBAAY;CAAG;AAAxF,8CAAwF;AAExF,cAAc;AACd,MAAa,iBAAkB,SAAQ,iBAAqC;CAAG;AAA/E,8CAA+E"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/add_user.js b/node_modules/mongodb/lib/operations/add_user.js
new file mode 100644
index 000000000..0ef426bb3
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/add_user.js
@@ -0,0 +1,72 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AddUserOperation = void 0;
+const crypto = require("crypto");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class AddUserOperation extends command_1.CommandOperation {
+    constructor(db, username, password, options) {
+        super(db, options);
+        this.db = db;
+        this.username = username;
+        this.password = password;
+        this.options = options !== null && options !== void 0 ? options : {};
+    }
+    execute(server, session, callback) {
+        const db = this.db;
+        const username = this.username;
+        const password = this.password;
+        const options = this.options;
+        // Error out if digestPassword set
+        if (options.digestPassword != null) {
+            return callback(new error_1.MongoInvalidArgumentError('Option "digestPassword" not supported via addUser, use db.command(...) instead'));
+        }
+        let roles;
+        if (!options.roles || (Array.isArray(options.roles) && options.roles.length === 0)) {
+            (0, utils_1.emitWarningOnce)('Creating a user without roles is deprecated. Defaults to "root" if db is "admin" or "dbOwner" otherwise');
+            if (db.databaseName.toLowerCase() === 'admin') {
+                roles = ['root'];
+            }
+            else {
+                roles = ['dbOwner'];
+            }
+        }
+        else {
+            roles = Array.isArray(options.roles) ? options.roles : [options.roles];
+        }
+        let topology;
+        try {
+            topology = (0, utils_1.getTopology)(db);
+        }
+        catch (error) {
+            return callback(error);
+        }
+        const digestPassword = topology.lastHello().maxWireVersion >= 7;
+        let userPassword = password;
+        if (!digestPassword) {
+            // Use node md5 generator
+            const md5 = crypto.createHash('md5');
+            // Generate keys used for authentication
+            md5.update(`${username}:mongo:${password}`);
+            userPassword = md5.digest('hex');
+        }
+        // Build the command to execute
+        const command = {
+            createUser: username,
+            customData: options.customData || {},
+            roles: roles,
+            digestPassword
+        };
+        // No password
+        if (typeof password === 'string') {
+            command.pwd = userPassword;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.AddUserOperation = AddUserOperation;
+(0, operation_1.defineAspects)(AddUserOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=add_user.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/add_user.js.map b/node_modules/mongodb/lib/operations/add_user.js.map
new file mode 100644
index 000000000..c102b8a16
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/add_user.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"add_user.js","sourceRoot":"","sources":["../../src/operations/add_user.ts"],"names":[],"mappings":";;;AAAA,iCAAiC;AAIjC,oCAAqD;AAGrD,oCAAkE;AAClE,uCAAsE;AACtE,2CAAoD;AAuBpD,gBAAgB;AAChB,MAAa,gBAAiB,SAAQ,0BAA0B;IAM9D,YAAY,EAAM,EAAE,QAAgB,EAAE,QAA4B,EAAE,OAAwB;QAC1F,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QAEnB,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;IAC/B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;QAE5B,MAAM,EAAE,GAAG,IAAI,CAAC,EAAE,CAAC;QACnB,MAAM,QAAQ,GAAG,IAAI,CAAC,QAAQ,CAAC;QAC/B,MAAM,QAAQ,GAAG,IAAI,CAAC,QAAQ,CAAC;QAC/B,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;QAE7B,kCAAkC;QAClC,IAAI,OAAO,CAAC,cAAc,IAAI,IAAI,EAAE;YAClC,OAAO,QAAQ,CACb,IAAI,iCAAyB,CAC3B,gFAAgF,CACjF,CACF,CAAC;SACH;QAED,IAAI,KAAK,CAAC;QACV,IAAI,CAAC,OAAO,CAAC,KAAK,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,OAAO,CAAC,KAAK,CAAC,IAAI,OAAO,CAAC,KAAK,CAAC,MAAM,KAAK,CAAC,CAAC,EAAE;YAClF,IAAA,uBAAe,EACb,yGAAyG,CAC1G,CAAC;YACF,IAAI,EAAE,CAAC,YAAY,CAAC,WAAW,EAAE,KAAK,OAAO,EAAE;gBAC7C,KAAK,GAAG,CAAC,MAAM,CAAC,CAAC;aAClB;iBAAM;gBACL,KAAK,GAAG,CAAC,SAAS,CAAC,CAAC;aACrB;SACF;aAAM;YACL,KAAK,GAAG,KAAK,CAAC,OAAO,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC;SACxE;QAED,IAAI,QAAQ,CAAC;QACb,IAAI;YACF,QAAQ,GAAG,IAAA,mBAAW,EAAC,EAAE,CAAC,CAAC;SAC5B;QAAC,OAAO,KAAK,EAAE;YACd,OAAO,QAAQ,CAAC,KAAK,CAAC,CAAC;SACxB;QAED,MAAM,cAAc,GAAG,QAAQ,CAAC,SAAS,EAAE,CAAC,cAAc,IAAI,CAAC,CAAC;QAEhE,IAAI,YAAY,GAAG,QAAQ,CAAC;QAE5B,IAAI,CAAC,cAAc,EAAE;YACnB,yBAAyB;YACzB,MAAM,GAAG,GAAG,MAAM,CAAC,UAAU,CAAC,KAAK,CAAC,CAAC;YACrC,wCAAwC;YACxC,GAAG,CAAC,MAAM,CAAC,GAAG,QAAQ,UAAU,QAAQ,EAAE,CAAC,CAAC;YAC5C,YAAY,GAAG,GAAG,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;SAClC;QAED,+BAA+B;QAC/B,MAAM,OAAO,GAAa;YACxB,UAAU,EAAE,QAAQ;YACpB,UAAU,EAAE,OAAO,CAAC,UAAU,IAAI,EAAE;YACpC,KAAK,EAAE,KAAK;YACZ,cAAc;SACf,CAAC;QAEF,cAAc;QACd,IAAI,OAAO,QAAQ,KAAK,QAAQ,EAAE;YAChC,OAAO,CAAC,GAAG,GAAG,YAAY,CAAC;SAC5B;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC3D,CAAC;CACF;AAlFD,4CAkFC;AAED,IAAA,yBAAa,EAAC,gBAAgB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/aggregate.js b/node_modules/mongodb/lib/operations/aggregate.js
new file mode 100644
index 000000000..33b513600
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/aggregate.js
@@ -0,0 +1,90 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AggregateOperation = exports.DB_AGGREGATE_COLLECTION = void 0;
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+exports.DB_AGGREGATE_COLLECTION = 1;
+const MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT = 8;
+/** @internal */
+class AggregateOperation extends command_1.CommandOperation {
+    constructor(ns, pipeline, options) {
+        super(undefined, { ...options, dbName: ns.db });
+        this.options = options !== null && options !== void 0 ? options : {};
+        // Covers when ns.collection is null, undefined or the empty string, use DB_AGGREGATE_COLLECTION
+        this.target = ns.collection || exports.DB_AGGREGATE_COLLECTION;
+        this.pipeline = pipeline;
+        // determine if we have a write stage, override read preference if so
+        this.hasWriteStage = false;
+        if (typeof (options === null || options === void 0 ? void 0 : options.out) === 'string') {
+            this.pipeline = this.pipeline.concat({ $out: options.out });
+            this.hasWriteStage = true;
+        }
+        else if (pipeline.length > 0) {
+            const finalStage = pipeline[pipeline.length - 1];
+            if (finalStage.$out || finalStage.$merge) {
+                this.hasWriteStage = true;
+            }
+        }
+        if (this.hasWriteStage) {
+            this.trySecondaryWrite = true;
+        }
+        if (this.explain && this.writeConcern) {
+            throw new error_1.MongoInvalidArgumentError('Option "explain" cannot be used on an aggregate call with writeConcern');
+        }
+        if ((options === null || options === void 0 ? void 0 : options.cursor) != null && typeof options.cursor !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Cursor options must be an object');
+        }
+    }
+    get canRetryRead() {
+        return !this.hasWriteStage;
+    }
+    addToPipeline(stage) {
+        this.pipeline.push(stage);
+    }
+    execute(server, session, callback) {
+        const options = this.options;
+        const serverWireVersion = (0, utils_1.maxWireVersion)(server);
+        const command = { aggregate: this.target, pipeline: this.pipeline };
+        if (this.hasWriteStage && serverWireVersion < MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT) {
+            this.readConcern = undefined;
+        }
+        if (serverWireVersion >= 5) {
+            if (this.hasWriteStage && this.writeConcern) {
+                Object.assign(command, { writeConcern: this.writeConcern });
+            }
+        }
+        if (options.bypassDocumentValidation === true) {
+            command.bypassDocumentValidation = options.bypassDocumentValidation;
+        }
+        if (typeof options.allowDiskUse === 'boolean') {
+            command.allowDiskUse = options.allowDiskUse;
+        }
+        if (options.hint) {
+            command.hint = options.hint;
+        }
+        if (options.let) {
+            command.let = options.let;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (options.comment !== undefined) {
+            command.comment = options.comment;
+        }
+        command.cursor = options.cursor || {};
+        if (options.batchSize && !this.hasWriteStage) {
+            command.cursor.batchSize = options.batchSize;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.AggregateOperation = AggregateOperation;
+(0, operation_1.defineAspects)(AggregateOperation, [
+    operation_1.Aspect.READ_OPERATION,
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.EXPLAINABLE,
+    operation_1.Aspect.CURSOR_CREATING
+]);
+//# sourceMappingURL=aggregate.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/aggregate.js.map b/node_modules/mongodb/lib/operations/aggregate.js.map
new file mode 100644
index 000000000..a8dc5fcfb
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/aggregate.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"aggregate.js","sourceRoot":"","sources":["../../src/operations/aggregate.ts"],"names":[],"mappings":";;;AACA,oCAAqD;AAGrD,oCAAsE;AACtE,uCAAwF;AACxF,2CAA0D;AAE1D,gBAAgB;AACH,QAAA,uBAAuB,GAAG,CAAU,CAAC;AAClD,MAAM,0CAA0C,GAAG,CAAU,CAAC;AA0B9D,gBAAgB;AAChB,MAAa,kBAAiC,SAAQ,0BAAmB;IAMvE,YAAY,EAAoB,EAAE,QAAoB,EAAE,OAA0B;QAChF,KAAK,CAAC,SAAS,EAAE,EAAE,GAAG,OAAO,EAAE,MAAM,EAAE,EAAE,CAAC,EAAE,EAAE,CAAC,CAAC;QAEhD,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAE7B,gGAAgG;QAChG,IAAI,CAAC,MAAM,GAAG,EAAE,CAAC,UAAU,IAAI,+BAAuB,CAAC;QAEvD,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QAEzB,qEAAqE;QACrE,IAAI,CAAC,aAAa,GAAG,KAAK,CAAC;QAC3B,IAAI,OAAO,CAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,GAAG,CAAA,KAAK,QAAQ,EAAE;YACpC,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,EAAE,IAAI,EAAE,OAAO,CAAC,GAAG,EAAE,CAAC,CAAC;YAC5D,IAAI,CAAC,aAAa,GAAG,IAAI,CAAC;SAC3B;aAAM,IAAI,QAAQ,CAAC,MAAM,GAAG,CAAC,EAAE;YAC9B,MAAM,UAAU,GAAG,QAAQ,CAAC,QAAQ,CAAC,MAAM,GAAG,CAAC,CAAC,CAAC;YACjD,IAAI,UAAU,CAAC,IAAI,IAAI,UAAU,CAAC,MAAM,EAAE;gBACxC,IAAI,CAAC,aAAa,GAAG,IAAI,CAAC;aAC3B;SACF;QAED,IAAI,IAAI,CAAC,aAAa,EAAE;YACtB,IAAI,CAAC,iBAAiB,GAAG,IAAI,CAAC;SAC/B;QAED,IAAI,IAAI,CAAC,OAAO,IAAI,IAAI,CAAC,YAAY,EAAE;YACrC,MAAM,IAAI,iCAAyB,CACjC,wEAAwE,CACzE,CAAC;SACH;QAED,IAAI,CAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,MAAM,KAAI,IAAI,IAAI,OAAO,OAAO,CAAC,MAAM,KAAK,QAAQ,EAAE;YACjE,MAAM,IAAI,iCAAyB,CAAC,kCAAkC,CAAC,CAAC;SACzE;IACH,CAAC;IAED,IAAa,YAAY;QACvB,OAAO,CAAC,IAAI,CAAC,aAAa,CAAC;IAC7B,CAAC;IAED,aAAa,CAAC,KAAe;QAC3B,IAAI,CAAC,QAAQ,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;IAC5B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAqB;QAErB,MAAM,OAAO,GAAqB,IAAI,CAAC,OAAO,CAAC;QAC/C,MAAM,iBAAiB,GAAG,IAAA,sBAAc,EAAC,MAAM,CAAC,CAAC;QACjD,MAAM,OAAO,GAAa,EAAE,SAAS,EAAE,IAAI,CAAC,MAAM,EAAE,QAAQ,EAAE,IAAI,CAAC,QAAQ,EAAE,CAAC;QAE9E,IAAI,IAAI,CAAC,aAAa,IAAI,iBAAiB,GAAG,0CAA0C,EAAE;YACxF,IAAI,CAAC,WAAW,GAAG,SAAS,CAAC;SAC9B;QAED,IAAI,iBAAiB,IAAI,CAAC,EAAE;YAC1B,IAAI,IAAI,CAAC,aAAa,IAAI,IAAI,CAAC,YAAY,EAAE;gBAC3C,MAAM,CAAC,MAAM,CAAC,OAAO,EAAE,EAAE,YAAY,EAAE,IAAI,CAAC,YAAY,EAAE,CAAC,CAAC;aAC7D;SACF;QAED,IAAI,OAAO,CAAC,wBAAwB,KAAK,IAAI,EAAE;YAC7C,OAAO,CAAC,wBAAwB,GAAG,OAAO,CAAC,wBAAwB,CAAC;SACrE;QAED,IAAI,OAAO,OAAO,CAAC,YAAY,KAAK,SAAS,EAAE;YAC7C,OAAO,CAAC,YAAY,GAAG,OAAO,CAAC,YAAY,CAAC;SAC7C;QAED,IAAI,OAAO,CAAC,IAAI,EAAE;YAChB,OAAO,CAAC,IAAI,GAAG,OAAO,CAAC,IAAI,CAAC;SAC7B;QAED,IAAI,OAAO,CAAC,GAAG,EAAE;YACf,OAAO,CAAC,GAAG,GAAG,OAAO,CAAC,GAAG,CAAC;SAC3B;QAED,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,OAAO,CAAC,OAAO,KAAK,SAAS,EAAE;YACjC,OAAO,CAAC,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;SACnC;QAED,OAAO,CAAC,MAAM,GAAG,OAAO,CAAC,MAAM,IAAI,EAAE,CAAC;QACtC,IAAI,OAAO,CAAC,SAAS,IAAI,CAAC,IAAI,CAAC,aAAa,EAAE;YAC5C,OAAO,CAAC,MAAM,CAAC,SAAS,GAAG,OAAO,CAAC,SAAS,CAAC;SAC9C;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC3D,CAAC;CACF;AAnGD,gDAmGC;AAED,IAAA,yBAAa,EAAC,kBAAkB,EAAE;IAChC,kBAAM,CAAC,cAAc;IACrB,kBAAM,CAAC,SAAS;IAChB,kBAAM,CAAC,WAAW;IAClB,kBAAM,CAAC,eAAe;CACvB,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/bulk_write.js b/node_modules/mongodb/lib/operations/bulk_write.js
new file mode 100644
index 000000000..cab8ab7e2
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/bulk_write.js
@@ -0,0 +1,43 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.BulkWriteOperation = void 0;
+const operation_1 = require("./operation");
+/** @internal */
+class BulkWriteOperation extends operation_1.AbstractOperation {
+    constructor(collection, operations, options) {
+        super(options);
+        this.options = options;
+        this.collection = collection;
+        this.operations = operations;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        const operations = this.operations;
+        const options = { ...this.options, ...this.bsonOptions, readPreference: this.readPreference };
+        // Create the bulk operation
+        const bulk = options.ordered === false
+            ? coll.initializeUnorderedBulkOp(options)
+            : coll.initializeOrderedBulkOp(options);
+        // for each op go through and add to the bulk
+        try {
+            for (let i = 0; i < operations.length; i++) {
+                bulk.raw(operations[i]);
+            }
+        }
+        catch (err) {
+            return callback(err);
+        }
+        // Execute the bulk
+        bulk.execute({ ...options, session }, (err, r) => {
+            // We have connection level error
+            if (!r && err) {
+                return callback(err);
+            }
+            // Return the results
+            callback(undefined, r);
+        });
+    }
+}
+exports.BulkWriteOperation = BulkWriteOperation;
+(0, operation_1.defineAspects)(BulkWriteOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=bulk_write.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/bulk_write.js.map b/node_modules/mongodb/lib/operations/bulk_write.js.map
new file mode 100644
index 000000000..e49d9459c
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/bulk_write.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"bulk_write.js","sourceRoot":"","sources":["../../src/operations/bulk_write.ts"],"names":[],"mappings":";;;AAUA,2CAAuE;AAEvE,gBAAgB;AAChB,MAAa,kBAAmB,SAAQ,6BAAkC;IAKxE,YACE,UAAsB,EACtB,UAAmC,EACnC,OAAyB;QAEzB,KAAK,CAAC,OAAO,CAAC,CAAC;QACf,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;IAC/B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAmC;QAEnC,MAAM,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;QAC7B,MAAM,UAAU,GAAG,IAAI,CAAC,UAAU,CAAC;QACnC,MAAM,OAAO,GAAG,EAAE,GAAG,IAAI,CAAC,OAAO,EAAE,GAAG,IAAI,CAAC,WAAW,EAAE,cAAc,EAAE,IAAI,CAAC,cAAc,EAAE,CAAC;QAE9F,4BAA4B;QAC5B,MAAM,IAAI,GACR,OAAO,CAAC,OAAO,KAAK,KAAK;YACvB,CAAC,CAAC,IAAI,CAAC,yBAAyB,CAAC,OAAO,CAAC;YACzC,CAAC,CAAC,IAAI,CAAC,uBAAuB,CAAC,OAAO,CAAC,CAAC;QAE5C,6CAA6C;QAC7C,IAAI;YACF,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,UAAU,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;gBAC1C,IAAI,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC,CAAC;aACzB;SACF;QAAC,OAAO,GAAG,EAAE;YACZ,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;SACtB;QAED,mBAAmB;QACnB,IAAI,CAAC,OAAO,CAAC,EAAE,GAAG,OAAO,EAAE,OAAO,EAAE,EAAE,CAAC,GAAG,EAAE,CAAC,EAAE,EAAE;YAC/C,iCAAiC;YACjC,IAAI,CAAC,CAAC,IAAI,GAAG,EAAE;gBACb,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;aACtB;YAED,qBAAqB;YACrB,QAAQ,CAAC,SAAS,EAAE,CAAC,CAAC,CAAC;QACzB,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAnDD,gDAmDC;AAED,IAAA,yBAAa,EAAC,kBAAkB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/collections.js b/node_modules/mongodb/lib/operations/collections.js
new file mode 100644
index 000000000..d0a1b1fd8
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/collections.js
@@ -0,0 +1,29 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CollectionsOperation = void 0;
+const collection_1 = require("../collection");
+const operation_1 = require("./operation");
+/** @internal */
+class CollectionsOperation extends operation_1.AbstractOperation {
+    constructor(db, options) {
+        super(options);
+        this.options = options;
+        this.db = db;
+    }
+    execute(server, session, callback) {
+        const db = this.db;
+        // Let's get the collection names
+        db.listCollections({}, { ...this.options, nameOnly: true, readPreference: this.readPreference, session }).toArray((err, documents) => {
+            if (err || !documents)
+                return callback(err);
+            // Filter collections removing any illegal ones
+            documents = documents.filter(doc => doc.name.indexOf('$') === -1);
+            // Return the collection objects
+            callback(undefined, documents.map(d => {
+                return new collection_1.Collection(db, d.name, db.s.options);
+            }));
+        });
+    }
+}
+exports.CollectionsOperation = CollectionsOperation;
+//# sourceMappingURL=collections.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/collections.js.map b/node_modules/mongodb/lib/operations/collections.js.map
new file mode 100644
index 000000000..960c51a66
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/collections.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"collections.js","sourceRoot":"","sources":["../../src/operations/collections.ts"],"names":[],"mappings":";;;AAAA,8CAA2C;AAK3C,2CAAkE;AAMlE,gBAAgB;AAChB,MAAa,oBAAqB,SAAQ,6BAA+B;IAIvE,YAAY,EAAM,EAAE,OAA2B;QAC7C,KAAK,CAAC,OAAO,CAAC,CAAC;QACf,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;IACf,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAgC;QAEhC,MAAM,EAAE,GAAG,IAAI,CAAC,EAAE,CAAC;QAEnB,iCAAiC;QACjC,EAAE,CAAC,eAAe,CAChB,EAAE,EACF,EAAE,GAAG,IAAI,CAAC,OAAO,EAAE,QAAQ,EAAE,IAAI,EAAE,cAAc,EAAE,IAAI,CAAC,cAAc,EAAE,OAAO,EAAE,CAClF,CAAC,OAAO,CAAC,CAAC,GAAG,EAAE,SAAS,EAAE,EAAE;YAC3B,IAAI,GAAG,IAAI,CAAC,SAAS;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC5C,+CAA+C;YAC/C,SAAS,GAAG,SAAS,CAAC,MAAM,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,CAAC,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;YAElE,gCAAgC;YAChC,QAAQ,CACN,SAAS,EACT,SAAS,CAAC,GAAG,CAAC,CAAC,CAAC,EAAE;gBAChB,OAAO,IAAI,uBAAU,CAAC,EAAE,EAAE,CAAC,CAAC,IAAI,EAAE,EAAE,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC;YAClD,CAAC,CAAC,CACH,CAAC;QACJ,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAnCD,oDAmCC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/command.js b/node_modules/mongodb/lib/operations/command.js
new file mode 100644
index 000000000..55ce871ee
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/command.js
@@ -0,0 +1,95 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CommandOperation = void 0;
+const error_1 = require("../error");
+const explain_1 = require("../explain");
+const read_concern_1 = require("../read_concern");
+const server_selection_1 = require("../sdam/server_selection");
+const utils_1 = require("../utils");
+const write_concern_1 = require("../write_concern");
+const operation_1 = require("./operation");
+const SUPPORTS_WRITE_CONCERN_AND_COLLATION = 5;
+/** @internal */
+class CommandOperation extends operation_1.AbstractOperation {
+    constructor(parent, options) {
+        super(options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        // NOTE: this was explicitly added for the add/remove user operations, it's likely
+        //       something we'd want to reconsider. Perhaps those commands can use `Admin`
+        //       as a parent?
+        const dbNameOverride = (options === null || options === void 0 ? void 0 : options.dbName) || (options === null || options === void 0 ? void 0 : options.authdb);
+        if (dbNameOverride) {
+            this.ns = new utils_1.MongoDBNamespace(dbNameOverride, '$cmd');
+        }
+        else {
+            this.ns = parent
+                ? parent.s.namespace.withCollection('$cmd')
+                : new utils_1.MongoDBNamespace('admin', '$cmd');
+        }
+        this.readConcern = read_concern_1.ReadConcern.fromOptions(options);
+        this.writeConcern = write_concern_1.WriteConcern.fromOptions(options);
+        // TODO(NODE-2056): make logger another "inheritable" property
+        if (parent && parent.logger) {
+            this.logger = parent.logger;
+        }
+        if (this.hasAspect(operation_1.Aspect.EXPLAINABLE)) {
+            this.explain = explain_1.Explain.fromOptions(options);
+        }
+        else if ((options === null || options === void 0 ? void 0 : options.explain) != null) {
+            throw new error_1.MongoInvalidArgumentError(`Option "explain" is not supported on this command`);
+        }
+    }
+    get canRetryWrite() {
+        if (this.hasAspect(operation_1.Aspect.EXPLAINABLE)) {
+            return this.explain == null;
+        }
+        return true;
+    }
+    executeCommand(server, session, cmd, callback) {
+        // TODO: consider making this a non-enumerable property
+        this.server = server;
+        const options = {
+            ...this.options,
+            ...this.bsonOptions,
+            readPreference: this.readPreference,
+            session
+        };
+        const serverWireVersion = (0, utils_1.maxWireVersion)(server);
+        const inTransaction = this.session && this.session.inTransaction();
+        if (this.readConcern && (0, utils_1.commandSupportsReadConcern)(cmd) && !inTransaction) {
+            Object.assign(cmd, { readConcern: this.readConcern });
+        }
+        if (this.trySecondaryWrite && serverWireVersion < server_selection_1.MIN_SECONDARY_WRITE_WIRE_VERSION) {
+            options.omitReadPreference = true;
+        }
+        if (options.collation && serverWireVersion < SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name}, which reports wire version ${serverWireVersion}, does not support collation`));
+            return;
+        }
+        if (this.writeConcern && this.hasAspect(operation_1.Aspect.WRITE_OPERATION) && !inTransaction) {
+            Object.assign(cmd, { writeConcern: this.writeConcern });
+        }
+        if (serverWireVersion >= SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+            if (options.collation &&
+                typeof options.collation === 'object' &&
+                !this.hasAspect(operation_1.Aspect.SKIP_COLLATION)) {
+                Object.assign(cmd, { collation: options.collation });
+            }
+        }
+        if (typeof options.maxTimeMS === 'number') {
+            cmd.maxTimeMS = options.maxTimeMS;
+        }
+        if (this.hasAspect(operation_1.Aspect.EXPLAINABLE) && this.explain) {
+            if (serverWireVersion < 6 && cmd.aggregate) {
+                // Prior to 3.6, with aggregate, verbosity is ignored, and we must pass in "explain: true"
+                cmd.explain = true;
+            }
+            else {
+                cmd = (0, utils_1.decorateWithExplain)(cmd, this.explain);
+            }
+        }
+        server.command(this.ns, cmd, options, callback);
+    }
+}
+exports.CommandOperation = CommandOperation;
+//# sourceMappingURL=command.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/command.js.map b/node_modules/mongodb/lib/operations/command.js.map
new file mode 100644
index 000000000..5f49482f9
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/command.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/common_functions.js b/node_modules/mongodb/lib/operations/common_functions.js
new file mode 100644
index 000000000..60ac62d5e
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/common_functions.js
@@ -0,0 +1,71 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.prepareDocs = exports.indexInformation = void 0;
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+function indexInformation(db, name, _optionsOrCallback, _callback) {
+    let options = _optionsOrCallback;
+    let callback = _callback;
+    if ('function' === typeof _optionsOrCallback) {
+        callback = _optionsOrCallback;
+        options = {};
+    }
+    // If we specified full information
+    const full = options.full == null ? false : options.full;
+    let topology;
+    try {
+        topology = (0, utils_1.getTopology)(db);
+    }
+    catch (error) {
+        return callback(error);
+    }
+    // Did the user destroy the topology
+    if (topology.isDestroyed())
+        return callback(new error_1.MongoTopologyClosedError());
+    // Process all the results from the index command and collection
+    function processResults(indexes) {
+        // Contains all the information
+        const info = {};
+        // Process all the indexes
+        for (let i = 0; i < indexes.length; i++) {
+            const index = indexes[i];
+            // Let's unpack the object
+            info[index.name] = [];
+            for (const name in index.key) {
+                info[index.name].push([name, index.key[name]]);
+            }
+        }
+        return info;
+    }
+    // Get the list of indexes of the specified collection
+    db.collection(name)
+        .listIndexes(options)
+        .toArray((err, indexes) => {
+        if (err)
+            return callback(err);
+        if (!Array.isArray(indexes))
+            return callback(undefined, []);
+        if (full)
+            return callback(undefined, indexes);
+        callback(undefined, processResults(indexes));
+    });
+}
+exports.indexInformation = indexInformation;
+function prepareDocs(coll, docs, options) {
+    var _a;
+    const forceServerObjectId = typeof options.forceServerObjectId === 'boolean'
+        ? options.forceServerObjectId
+        : (_a = coll.s.db.options) === null || _a === void 0 ? void 0 : _a.forceServerObjectId;
+    // no need to modify the docs if server sets the ObjectId
+    if (forceServerObjectId === true) {
+        return docs;
+    }
+    return docs.map(doc => {
+        if (doc._id == null) {
+            doc._id = coll.s.pkFactory.createPk();
+        }
+        return doc;
+    });
+}
+exports.prepareDocs = prepareDocs;
+//# sourceMappingURL=common_functions.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/common_functions.js.map b/node_modules/mongodb/lib/operations/common_functions.js.map
new file mode 100644
index 000000000..60d1acb09
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/common_functions.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"common_functions.js","sourceRoot":"","sources":["../../src/operations/common_functions.ts"],"names":[],"mappings":";;;AAGA,oCAAoD;AAGpD,oCAAiD;AAqBjD,SAAgB,gBAAgB,CAC9B,EAAM,EACN,IAAY,EACZ,kBAAsD,EACtD,SAAoB;IAEpB,IAAI,OAAO,GAAG,kBAA6C,CAAC;IAC5D,IAAI,QAAQ,GAAG,SAAqB,CAAC;IACrC,IAAI,UAAU,KAAK,OAAO,kBAAkB,EAAE;QAC5C,QAAQ,GAAG,kBAAkB,CAAC;QAC9B,OAAO,GAAG,EAAE,CAAC;KACd;IACD,mCAAmC;IACnC,MAAM,IAAI,GAAG,OAAO,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC;IAEzD,IAAI,QAAQ,CAAC;IACb,IAAI;QACF,QAAQ,GAAG,IAAA,mBAAW,EAAC,EAAE,CAAC,CAAC;KAC5B;IAAC,OAAO,KAAK,EAAE;QACd,OAAO,QAAQ,CAAC,KAAK,CAAC,CAAC;KACxB;IAED,oCAAoC;IACpC,IAAI,QAAQ,CAAC,WAAW,EAAE;QAAE,OAAO,QAAQ,CAAC,IAAI,gCAAwB,EAAE,CAAC,CAAC;IAC5E,gEAAgE;IAChE,SAAS,cAAc,CAAC,OAAY;QAClC,+BAA+B;QAC/B,MAAM,IAAI,GAAQ,EAAE,CAAC;QACrB,0BAA0B;QAC1B,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,OAAO,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;YACvC,MAAM,KAAK,GAAG,OAAO,CAAC,CAAC,CAAC,CAAC;YACzB,0BAA0B;YAC1B,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,GAAG,EAAE,CAAC;YACtB,KAAK,MAAM,IAAI,IAAI,KAAK,CAAC,GAAG,EAAE;gBAC5B,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC,IAAI,CAAC,CAAC,IAAI,EAAE,KAAK,CAAC,GAAG,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;aAChD;SACF;QAED,OAAO,IAAI,CAAC;IACd,CAAC;IAED,sDAAsD;IACtD,EAAE,CAAC,UAAU,CAAC,IAAI,CAAC;SAChB,WAAW,CAAC,OAAO,CAAC;SACpB,OAAO,CAAC,CAAC,GAAG,EAAE,OAAO,EAAE,EAAE;QACxB,IAAI,GAAG;YAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;QAC9B,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,OAAO,CAAC;YAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,EAAE,CAAC,CAAC;QAC5D,IAAI,IAAI;YAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,OAAO,CAAC,CAAC;QAC9C,QAAQ,CAAC,SAAS,EAAE,cAAc,CAAC,OAAO,CAAC,CAAC,CAAC;IAC/C,CAAC,CAAC,CAAC;AACP,CAAC;AAlDD,4CAkDC;AAED,SAAgB,WAAW,CACzB,IAAgB,EAChB,IAAgB,EAChB,OAA0C;;IAE1C,MAAM,mBAAmB,GACvB,OAAO,OAAO,CAAC,mBAAmB,KAAK,SAAS;QAC9C,CAAC,CAAC,OAAO,CAAC,mBAAmB;QAC7B,CAAC,CAAC,MAAA,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,OAAO,0CAAE,mBAAmB,CAAC;IAE7C,yDAAyD;IACzD,IAAI,mBAAmB,KAAK,IAAI,EAAE;QAChC,OAAO,IAAI,CAAC;KACb;IAED,OAAO,IAAI,CAAC,GAAG,CAAC,GAAG,CAAC,EAAE;QACpB,IAAI,GAAG,CAAC,GAAG,IAAI,IAAI,EAAE;YACnB,GAAG,CAAC,GAAG,GAAG,IAAI,CAAC,CAAC,CAAC,SAAS,CAAC,QAAQ,EAAE,CAAC;SACvC;QAED,OAAO,GAAG,CAAC;IACb,CAAC,CAAC,CAAC;AACL,CAAC;AAtBD,kCAsBC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/connect.js b/node_modules/mongodb/lib/operations/connect.js
new file mode 100644
index 000000000..eb7abc874
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/connect.js
@@ -0,0 +1,85 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.connect = void 0;
+const connection_string_1 = require("../connection_string");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const topology_1 = require("../sdam/topology");
+function connect(mongoClient, options, callback) {
+    if (!callback) {
+        throw new error_1.MongoInvalidArgumentError('Callback function must be provided');
+    }
+    // If a connection already been established, we can terminate early
+    if (mongoClient.topology && mongoClient.topology.isConnected()) {
+        return callback(undefined, mongoClient);
+    }
+    const logger = mongoClient.logger;
+    const connectCallback = err => {
+        const warningMessage = 'seed list contains no mongos proxies, replicaset connections requires ' +
+            'the parameter replicaSet to be supplied in the URI or options object, ' +
+            'mongodb://server:port/db?replicaSet=name';
+        if (err && err.message === 'no mongos proxies found in seed list') {
+            if (logger.isWarn()) {
+                logger.warn(warningMessage);
+            }
+            // Return a more specific error message for MongoClient.connect
+            // TODO(NODE-3483)
+            return callback(new error_1.MongoRuntimeError(warningMessage));
+        }
+        callback(err, mongoClient);
+    };
+    if (typeof options.srvHost === 'string') {
+        return (0, connection_string_1.resolveSRVRecord)(options, (err, hosts) => {
+            if (err || !hosts)
+                return callback(err);
+            for (const [index, host] of hosts.entries()) {
+                options.hosts[index] = host;
+            }
+            return createTopology(mongoClient, options, connectCallback);
+        });
+    }
+    return createTopology(mongoClient, options, connectCallback);
+}
+exports.connect = connect;
+function createTopology(mongoClient, options, callback) {
+    // Create the topology
+    const topology = new topology_1.Topology(options.hosts, options);
+    // Events can be emitted before initialization is complete so we have to
+    // save the reference to the topology on the client ASAP if the event handlers need to access it
+    mongoClient.topology = topology;
+    topology.client = mongoClient;
+    topology.once(topology_1.Topology.OPEN, () => mongoClient.emit('open', mongoClient));
+    for (const event of constants_1.MONGO_CLIENT_EVENTS) {
+        topology.on(event, (...args) => mongoClient.emit(event, ...args));
+    }
+    // initialize CSFLE if requested
+    if (mongoClient.autoEncrypter) {
+        mongoClient.autoEncrypter.init(err => {
+            if (err) {
+                return callback(err);
+            }
+            topology.connect(options, err => {
+                if (err) {
+                    topology.close({ force: true });
+                    return callback(err);
+                }
+                options.encrypter.connectInternalClient(error => {
+                    if (error)
+                        return callback(error);
+                    callback(undefined, topology);
+                });
+            });
+        });
+        return;
+    }
+    // otherwise connect normally
+    topology.connect(options, err => {
+        if (err) {
+            topology.close({ force: true });
+            return callback(err);
+        }
+        callback(undefined, topology);
+        return;
+    });
+}
+//# sourceMappingURL=connect.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/connect.js.map b/node_modules/mongodb/lib/operations/connect.js.map
new file mode 100644
index 000000000..f39e04be5
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/connect.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"connect.js","sourceRoot":"","sources":["../../src/operations/connect.ts"],"names":[],"mappings":";;;AAAA,4DAAwD;AACxD,4CAAmD;AACnD,oCAAwE;AAExE,+CAA4C;AAG5C,SAAgB,OAAO,CACrB,WAAwB,EACxB,OAAqB,EACrB,QAA+B;IAE/B,IAAI,CAAC,QAAQ,EAAE;QACb,MAAM,IAAI,iCAAyB,CAAC,oCAAoC,CAAC,CAAC;KAC3E;IAED,mEAAmE;IACnE,IAAI,WAAW,CAAC,QAAQ,IAAI,WAAW,CAAC,QAAQ,CAAC,WAAW,EAAE,EAAE;QAC9D,OAAO,QAAQ,CAAC,SAAS,EAAE,WAAW,CAAC,CAAC;KACzC;IAED,MAAM,MAAM,GAAG,WAAW,CAAC,MAAM,CAAC;IAClC,MAAM,eAAe,GAAa,GAAG,CAAC,EAAE;QACtC,MAAM,cAAc,GAClB,wEAAwE;YACxE,wEAAwE;YACxE,0CAA0C,CAAC;QAC7C,IAAI,GAAG,IAAI,GAAG,CAAC,OAAO,KAAK,sCAAsC,EAAE;YACjE,IAAI,MAAM,CAAC,MAAM,EAAE,EAAE;gBACnB,MAAM,CAAC,IAAI,CAAC,cAAc,CAAC,CAAC;aAC7B;YAED,+DAA+D;YAC/D,kBAAkB;YAClB,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,cAAc,CAAC,CAAC,CAAC;SACxD;QAED,QAAQ,CAAC,GAAG,EAAE,WAAW,CAAC,CAAC;IAC7B,CAAC,CAAC;IAEF,IAAI,OAAO,OAAO,CAAC,OAAO,KAAK,QAAQ,EAAE;QACvC,OAAO,IAAA,oCAAgB,EAAC,OAAO,EAAE,CAAC,GAAG,EAAE,KAAK,EAAE,EAAE;YAC9C,IAAI,GAAG,IAAI,CAAC,KAAK;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YACxC,KAAK,MAAM,CAAC,KAAK,EAAE,IAAI,CAAC,IAAI,KAAK,CAAC,OAAO,EAAE,EAAE;gBAC3C,OAAO,CAAC,KAAK,CAAC,KAAK,CAAC,GAAG,IAAI,CAAC;aAC7B;YAED,OAAO,cAAc,CAAC,WAAW,EAAE,OAAO,EAAE,eAAe,CAAC,CAAC;QAC/D,CAAC,CAAC,CAAC;KACJ;IAED,OAAO,cAAc,CAAC,WAAW,EAAE,OAAO,EAAE,eAAe,CAAC,CAAC;AAC/D,CAAC;AA7CD,0BA6CC;AAED,SAAS,cAAc,CACrB,WAAwB,EACxB,OAAqB,EACrB,QAA4B;IAE5B,sBAAsB;IACtB,MAAM,QAAQ,GAAG,IAAI,mBAAQ,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAC;IACtD,wEAAwE;IACxE,gGAAgG;IAChG,WAAW,CAAC,QAAQ,GAAG,QAAQ,CAAC;IAChC,QAAQ,CAAC,MAAM,GAAG,WAAW,CAAC;IAE9B,QAAQ,CAAC,IAAI,CAAC,mBAAQ,CAAC,IAAI,EAAE,GAAG,EAAE,CAAC,WAAW,CAAC,IAAI,CAAC,MAAM,EAAE,WAAW,CAAC,CAAC,CAAC;IAE1E,KAAK,MAAM,KAAK,IAAI,+BAAmB,EAAE;QACvC,QAAQ,CAAC,EAAE,CAAC,KAAK,EAAE,CAAC,GAAG,IAAW,EAAE,EAAE,CAAC,WAAW,CAAC,IAAI,CAAC,KAAK,EAAE,GAAI,IAAY,CAAC,CAAC,CAAC;KACnF;IAED,gCAAgC;IAChC,IAAI,WAAW,CAAC,aAAa,EAAE;QAC7B,WAAW,CAAC,aAAa,CAAC,IAAI,CAAC,GAAG,CAAC,EAAE;YACnC,IAAI,GAAG,EAAE;gBACP,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;aACtB;YAED,QAAQ,CAAC,OAAO,CAAC,OAAO,EAAE,GAAG,CAAC,EAAE;gBAC9B,IAAI,GAAG,EAAE;oBACP,QAAQ,CAAC,KAAK,CAAC,EAAE,KAAK,EAAE,IAAI,EAAE,CAAC,CAAC;oBAChC,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;iBACtB;gBAED,OAAO,CAAC,SAAS,CAAC,qBAAqB,CAAC,KAAK,CAAC,EAAE;oBAC9C,IAAI,KAAK;wBAAE,OAAO,QAAQ,CAAC,KAAK,CAAC,CAAC;oBAElC,QAAQ,CAAC,SAAS,EAAE,QAAQ,CAAC,CAAC;gBAChC,CAAC,CAAC,CAAC;YACL,CAAC,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;QAEH,OAAO;KACR;IAED,6BAA6B;IAC7B,QAAQ,CAAC,OAAO,CAAC,OAAO,EAAE,GAAG,CAAC,EAAE;QAC9B,IAAI,GAAG,EAAE;YACP,QAAQ,CAAC,KAAK,CAAC,EAAE,KAAK,EAAE,IAAI,EAAE,CAAC,CAAC;YAChC,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;SACtB;QAED,QAAQ,CAAC,SAAS,EAAE,QAAQ,CAAC,CAAC;QAC9B,OAAO;IACT,CAAC,CAAC,CAAC;AACL,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/count.js b/node_modules/mongodb/lib/operations/count.js
new file mode 100644
index 000000000..706dde671
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/count.js
@@ -0,0 +1,39 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CountOperation = void 0;
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class CountOperation extends command_1.CommandOperation {
+    constructor(namespace, filter, options) {
+        super({ s: { namespace: namespace } }, options);
+        this.options = options;
+        this.collectionName = namespace.collection;
+        this.query = filter;
+    }
+    execute(server, session, callback) {
+        const options = this.options;
+        const cmd = {
+            count: this.collectionName,
+            query: this.query
+        };
+        if (typeof options.limit === 'number') {
+            cmd.limit = options.limit;
+        }
+        if (typeof options.skip === 'number') {
+            cmd.skip = options.skip;
+        }
+        if (options.hint != null) {
+            cmd.hint = options.hint;
+        }
+        if (typeof options.maxTimeMS === 'number') {
+            cmd.maxTimeMS = options.maxTimeMS;
+        }
+        super.executeCommand(server, session, cmd, (err, result) => {
+            callback(err, result ? result.n : 0);
+        });
+    }
+}
+exports.CountOperation = CountOperation;
+(0, operation_1.defineAspects)(CountOperation, [operation_1.Aspect.READ_OPERATION, operation_1.Aspect.RETRYABLE]);
+//# sourceMappingURL=count.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/count.js.map b/node_modules/mongodb/lib/operations/count.js.map
new file mode 100644
index 000000000..aeee5fd7c
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/count.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"count.js","sourceRoot":"","sources":["../../src/operations/count.ts"],"names":[],"mappings":";;;AAKA,uCAAsE;AACtE,2CAAoD;AAcpD,gBAAgB;AAChB,MAAa,cAAe,SAAQ,0BAAwB;IAK1D,YAAY,SAA2B,EAAE,MAAgB,EAAE,OAAqB;QAC9E,KAAK,CAAC,EAAE,CAAC,EAAE,EAAE,SAAS,EAAE,SAAS,EAAE,EAA2B,EAAE,OAAO,CAAC,CAAC;QAEzE,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,cAAc,GAAG,SAAS,CAAC,UAAU,CAAC;QAC3C,IAAI,CAAC,KAAK,GAAG,MAAM,CAAC;IACtB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA0B;QAE1B,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;QAC7B,MAAM,GAAG,GAAa;YACpB,KAAK,EAAE,IAAI,CAAC,cAAc;YAC1B,KAAK,EAAE,IAAI,CAAC,KAAK;SAClB,CAAC;QAEF,IAAI,OAAO,OAAO,CAAC,KAAK,KAAK,QAAQ,EAAE;YACrC,GAAG,CAAC,KAAK,GAAG,OAAO,CAAC,KAAK,CAAC;SAC3B;QAED,IAAI,OAAO,OAAO,CAAC,IAAI,KAAK,QAAQ,EAAE;YACpC,GAAG,CAAC,IAAI,GAAG,OAAO,CAAC,IAAI,CAAC;SACzB;QAED,IAAI,OAAO,CAAC,IAAI,IAAI,IAAI,EAAE;YACxB,GAAG,CAAC,IAAI,GAAG,OAAO,CAAC,IAAI,CAAC;SACzB;QAED,IAAI,OAAO,OAAO,CAAC,SAAS,KAAK,QAAQ,EAAE;YACzC,GAAG,CAAC,SAAS,GAAG,OAAO,CAAC,SAAS,CAAC;SACnC;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,GAAG,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;YACzD,QAAQ,CAAC,GAAG,EAAE,MAAM,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;QACvC,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA5CD,wCA4CC;AAED,IAAA,yBAAa,EAAC,cAAc,EAAE,CAAC,kBAAM,CAAC,cAAc,EAAE,kBAAM,CAAC,SAAS,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/count_documents.js b/node_modules/mongodb/lib/operations/count_documents.js
new file mode 100644
index 000000000..562c9c068
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/count_documents.js
@@ -0,0 +1,37 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CountDocumentsOperation = void 0;
+const aggregate_1 = require("./aggregate");
+/** @internal */
+class CountDocumentsOperation extends aggregate_1.AggregateOperation {
+    constructor(collection, query, options) {
+        const pipeline = [];
+        pipeline.push({ $match: query });
+        if (typeof options.skip === 'number') {
+            pipeline.push({ $skip: options.skip });
+        }
+        if (typeof options.limit === 'number') {
+            pipeline.push({ $limit: options.limit });
+        }
+        pipeline.push({ $group: { _id: 1, n: { $sum: 1 } } });
+        super(collection.s.namespace, pipeline, options);
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, result) => {
+            if (err || !result) {
+                callback(err);
+                return;
+            }
+            // NOTE: We're avoiding creating a cursor here to reduce the callstack.
+            const response = result;
+            if (response.cursor == null || response.cursor.firstBatch == null) {
+                callback(undefined, 0);
+                return;
+            }
+            const docs = response.cursor.firstBatch;
+            callback(undefined, docs.length ? docs[0].n : 0);
+        });
+    }
+}
+exports.CountDocumentsOperation = CountDocumentsOperation;
+//# sourceMappingURL=count_documents.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/count_documents.js.map b/node_modules/mongodb/lib/operations/count_documents.js.map
new file mode 100644
index 000000000..bc1ce7b67
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/count_documents.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"count_documents.js","sourceRoot":"","sources":["../../src/operations/count_documents.ts"],"names":[],"mappings":";;;AAKA,2CAAmE;AAUnE,gBAAgB;AAChB,MAAa,uBAAwB,SAAQ,8BAA0B;IACrE,YAAY,UAAsB,EAAE,KAAe,EAAE,OAA8B;QACjF,MAAM,QAAQ,GAAG,EAAE,CAAC;QACpB,QAAQ,CAAC,IAAI,CAAC,EAAE,MAAM,EAAE,KAAK,EAAE,CAAC,CAAC;QAEjC,IAAI,OAAO,OAAO,CAAC,IAAI,KAAK,QAAQ,EAAE;YACpC,QAAQ,CAAC,IAAI,CAAC,EAAE,KAAK,EAAE,OAAO,CAAC,IAAI,EAAE,CAAC,CAAC;SACxC;QAED,IAAI,OAAO,OAAO,CAAC,KAAK,KAAK,QAAQ,EAAE;YACrC,QAAQ,CAAC,IAAI,CAAC,EAAE,MAAM,EAAE,OAAO,CAAC,KAAK,EAAE,CAAC,CAAC;SAC1C;QAED,QAAQ,CAAC,IAAI,CAAC,EAAE,MAAM,EAAE,EAAE,GAAG,EAAE,CAAC,EAAE,CAAC,EAAE,EAAE,IAAI,EAAE,CAAC,EAAE,EAAE,EAAE,CAAC,CAAC;QAEtD,KAAK,CAAC,UAAU,CAAC,CAAC,CAAC,SAAS,EAAE,QAAQ,EAAE,OAAO,CAAC,CAAC;IACnD,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA0B;QAE1B,KAAK,CAAC,OAAO,CAAC,MAAM,EAAE,OAAO,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;YAC7C,IAAI,GAAG,IAAI,CAAC,MAAM,EAAE;gBAClB,QAAQ,CAAC,GAAG,CAAC,CAAC;gBACd,OAAO;aACR;YAED,uEAAuE;YACvE,MAAM,QAAQ,GAAG,MAA6B,CAAC;YAC/C,IAAI,QAAQ,CAAC,MAAM,IAAI,IAAI,IAAI,QAAQ,CAAC,MAAM,CAAC,UAAU,IAAI,IAAI,EAAE;gBACjE,QAAQ,CAAC,SAAS,EAAE,CAAC,CAAC,CAAC;gBACvB,OAAO;aACR;YAED,MAAM,IAAI,GAAG,QAAQ,CAAC,MAAM,CAAC,UAAU,CAAC;YACxC,QAAQ,CAAC,SAAS,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;QACnD,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAxCD,0DAwCC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/create_collection.js b/node_modules/mongodb/lib/operations/create_collection.js
new file mode 100644
index 000000000..4d6c8a50e
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/create_collection.js
@@ -0,0 +1,100 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CreateCollectionOperation = void 0;
+const collection_1 = require("../collection");
+const command_1 = require("./command");
+const indexes_1 = require("./indexes");
+const operation_1 = require("./operation");
+const ILLEGAL_COMMAND_FIELDS = new Set([
+    'w',
+    'wtimeout',
+    'j',
+    'fsync',
+    'autoIndexId',
+    'pkFactory',
+    'raw',
+    'readPreference',
+    'session',
+    'readConcern',
+    'writeConcern',
+    'raw',
+    'fieldsAsRaw',
+    'promoteLongs',
+    'promoteValues',
+    'promoteBuffers',
+    'bsonRegExp',
+    'serializeFunctions',
+    'ignoreUndefined',
+    'enableUtf8Validation'
+]);
+/** @internal */
+class CreateCollectionOperation extends command_1.CommandOperation {
+    constructor(db, name, options = {}) {
+        super(db, options);
+        this.options = options;
+        this.db = db;
+        this.name = name;
+    }
+    execute(server, session, callback) {
+        (async () => {
+            var _a, _b, _c, _d, _e, _f;
+            const db = this.db;
+            const name = this.name;
+            const options = this.options;
+            const encryptedFields = (_a = options.encryptedFields) !== null && _a !== void 0 ? _a : (_c = (_b = db.s.client.options.autoEncryption) === null || _b === void 0 ? void 0 : _b.encryptedFieldsMap) === null || _c === void 0 ? void 0 : _c[`${db.databaseName}.${name}`];
+            if (encryptedFields) {
+                // Create auxilliary collections for queryable encryption support.
+                const escCollection = (_d = encryptedFields.escCollection) !== null && _d !== void 0 ? _d : `enxcol_.${name}.esc`;
+                const eccCollection = (_e = encryptedFields.eccCollection) !== null && _e !== void 0 ? _e : `enxcol_.${name}.ecc`;
+                const ecocCollection = (_f = encryptedFields.ecocCollection) !== null && _f !== void 0 ? _f : `enxcol_.${name}.ecoc`;
+                for (const collectionName of [escCollection, eccCollection, ecocCollection]) {
+                    const createOp = new CreateCollectionOperation(db, collectionName, {
+                        clusteredIndex: {
+                            key: { _id: 1 },
+                            unique: true
+                        }
+                    });
+                    await createOp.executeWithoutEncryptedFieldsCheck(server, session);
+                }
+                if (!options.encryptedFields) {
+                    this.options = { ...this.options, encryptedFields };
+                }
+            }
+            const coll = await this.executeWithoutEncryptedFieldsCheck(server, session);
+            if (encryptedFields) {
+                // Create the required index for queryable encryption support.
+                const createIndexOp = new indexes_1.CreateIndexOperation(db, name, { __safeContent__: 1 }, {});
+                await new Promise((resolve, reject) => {
+                    createIndexOp.execute(server, session, err => (err ? reject(err) : resolve()));
+                });
+            }
+            return coll;
+        })().then(coll => callback(undefined, coll), err => callback(err));
+    }
+    executeWithoutEncryptedFieldsCheck(server, session) {
+        return new Promise((resolve, reject) => {
+            const db = this.db;
+            const name = this.name;
+            const options = this.options;
+            const done = err => {
+                if (err) {
+                    return reject(err);
+                }
+                resolve(new collection_1.Collection(db, name, options));
+            };
+            const cmd = { create: name };
+            for (const n in options) {
+                if (options[n] != null &&
+                    typeof options[n] !== 'function' &&
+                    !ILLEGAL_COMMAND_FIELDS.has(n)) {
+                    cmd[n] = options[n];
+                }
+            }
+            // otherwise just execute the command
+            super.executeCommand(server, session, cmd, done);
+        });
+    }
+}
+exports.CreateCollectionOperation = CreateCollectionOperation;
+(0, operation_1.defineAspects)(CreateCollectionOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=create_collection.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/create_collection.js.map b/node_modules/mongodb/lib/operations/create_collection.js.map
new file mode 100644
index 000000000..d84b54248
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/create_collection.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"create_collection.js","sourceRoot":"","sources":["../../src/operations/create_collection.ts"],"names":[],"mappings":";;;AACA,8CAA2C;AAM3C,uCAAsE;AACtE,uCAAiD;AACjD,2CAAoD;AAEpD,MAAM,sBAAsB,GAAG,IAAI,GAAG,CAAC;IACrC,GAAG;IACH,UAAU;IACV,GAAG;IACH,OAAO;IACP,aAAa;IACb,WAAW;IACX,KAAK;IACL,gBAAgB;IAChB,SAAS;IACT,aAAa;IACb,cAAc;IACd,KAAK;IACL,aAAa;IACb,cAAc;IACd,eAAe;IACf,gBAAgB;IAChB,YAAY;IACZ,oBAAoB;IACpB,iBAAiB;IACjB,sBAAsB;CACvB,CAAC,CAAC;AAmEH,gBAAgB;AAChB,MAAa,yBAA0B,SAAQ,0BAA4B;IAKzE,YAAY,EAAM,EAAE,IAAY,EAAE,UAAmC,EAAE;QACrE,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QAEnB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;IACnB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA8B;QAE9B,CAAC,KAAK,IAAI,EAAE;;YACV,MAAM,EAAE,GAAG,IAAI,CAAC,EAAE,CAAC;YACnB,MAAM,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC;YACvB,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;YAE7B,MAAM,eAAe,GACnB,MAAA,OAAO,CAAC,eAAe,mCACvB,MAAA,MAAA,EAAE,CAAC,CAAC,CAAC,MAAM,CAAC,OAAO,CAAC,cAAc,0CAAE,kBAAkB,0CAAG,GAAG,EAAE,CAAC,YAAY,IAAI,IAAI,EAAE,CAAC,CAAC;YAEzF,IAAI,eAAe,EAAE;gBACnB,kEAAkE;gBAClE,MAAM,aAAa,GAAG,MAAA,eAAe,CAAC,aAAa,mCAAI,WAAW,IAAI,MAAM,CAAC;gBAC7E,MAAM,aAAa,GAAG,MAAA,eAAe,CAAC,aAAa,mCAAI,WAAW,IAAI,MAAM,CAAC;gBAC7E,MAAM,cAAc,GAAG,MAAA,eAAe,CAAC,cAAc,mCAAI,WAAW,IAAI,OAAO,CAAC;gBAEhF,KAAK,MAAM,cAAc,IAAI,CAAC,aAAa,EAAE,aAAa,EAAE,cAAc,CAAC,EAAE;oBAC3E,MAAM,QAAQ,GAAG,IAAI,yBAAyB,CAAC,EAAE,EAAE,cAAc,EAAE;wBACjE,cAAc,EAAE;4BACd,GAAG,EAAE,EAAE,GAAG,EAAE,CAAC,EAAE;4BACf,MAAM,EAAE,IAAI;yBACb;qBACF,CAAC,CAAC;oBACH,MAAM,QAAQ,CAAC,kCAAkC,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC;iBACpE;gBAED,IAAI,CAAC,OAAO,CAAC,eAAe,EAAE;oBAC5B,IAAI,CAAC,OAAO,GAAG,EAAE,GAAG,IAAI,CAAC,OAAO,EAAE,eAAe,EAAE,CAAC;iBACrD;aACF;YAED,MAAM,IAAI,GAAG,MAAM,IAAI,CAAC,kCAAkC,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC;YAE5E,IAAI,eAAe,EAAE;gBACnB,8DAA8D;gBAC9D,MAAM,aAAa,GAAG,IAAI,8BAAoB,CAAC,EAAE,EAAE,IAAI,EAAE,EAAE,eAAe,EAAE,CAAC,EAAE,EAAE,EAAE,CAAC,CAAC;gBACrF,MAAM,IAAI,OAAO,CAAO,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE;oBAC1C,aAAa,CAAC,OAAO,CAAC,MAAM,EAAE,OAAO,EAAE,GAAG,CAAC,EAAE,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,OAAO,EAAE,CAAC,CAAC,CAAC;gBACjF,CAAC,CAAC,CAAC;aACJ;YAED,OAAO,IAAI,CAAC;QACd,CAAC,CAAC,EAAE,CAAC,IAAI,CACP,IAAI,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,IAAI,CAAC,EACjC,GAAG,CAAC,EAAE,CAAC,QAAQ,CAAC,GAAG,CAAC,CACrB,CAAC;IACJ,CAAC;IAEO,kCAAkC,CACxC,MAAc,EACd,OAAkC;QAElC,OAAO,IAAI,OAAO,CAAa,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE;YACjD,MAAM,EAAE,GAAG,IAAI,CAAC,EAAE,CAAC;YACnB,MAAM,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC;YACvB,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;YAE7B,MAAM,IAAI,GAAa,GAAG,CAAC,EAAE;gBAC3B,IAAI,GAAG,EAAE;oBACP,OAAO,MAAM,CAAC,GAAG,CAAC,CAAC;iBACpB;gBAED,OAAO,CAAC,IAAI,uBAAU,CAAC,EAAE,EAAE,IAAI,EAAE,OAAO,CAAC,CAAC,CAAC;YAC7C,CAAC,CAAC;YAEF,MAAM,GAAG,GAAa,EAAE,MAAM,EAAE,IAAI,EAAE,CAAC;YACvC,KAAK,MAAM,CAAC,IAAI,OAAO,EAAE;gBACvB,IACG,OAAe,CAAC,CAAC,CAAC,IAAI,IAAI;oBAC3B,OAAQ,OAAe,CAAC,CAAC,CAAC,KAAK,UAAU;oBACzC,CAAC,sBAAsB,CAAC,GAAG,CAAC,CAAC,CAAC,EAC9B;oBACA,GAAG,CAAC,CAAC,CAAC,GAAI,OAAe,CAAC,CAAC,CAAC,CAAC;iBAC9B;aACF;YAED,qCAAqC;YACrC,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,GAAG,EAAE,IAAI,CAAC,CAAC;QACnD,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAjGD,8DAiGC;AAED,IAAA,yBAAa,EAAC,yBAAyB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/delete.js b/node_modules/mongodb/lib/operations/delete.js
new file mode 100644
index 000000000..34cd24a10
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/delete.js
@@ -0,0 +1,135 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.makeDeleteStatement = exports.DeleteManyOperation = exports.DeleteOneOperation = exports.DeleteOperation = void 0;
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class DeleteOperation extends command_1.CommandOperation {
+    constructor(ns, statements, options) {
+        super(undefined, options);
+        this.options = options;
+        this.ns = ns;
+        this.statements = statements;
+    }
+    get canRetryWrite() {
+        if (super.canRetryWrite === false) {
+            return false;
+        }
+        return this.statements.every(op => (op.limit != null ? op.limit > 0 : true));
+    }
+    execute(server, session, callback) {
+        var _a;
+        const options = (_a = this.options) !== null && _a !== void 0 ? _a : {};
+        const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+        const command = {
+            delete: this.ns.collection,
+            deletes: this.statements,
+            ordered
+        };
+        if (options.let) {
+            command.let = options.let;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (options.comment !== undefined) {
+            command.comment = options.comment;
+        }
+        if (options.explain != null && (0, utils_1.maxWireVersion)(server) < 3) {
+            return callback
+                ? callback(new error_1.MongoCompatibilityError(`Server ${server.name} does not support explain on delete`))
+                : undefined;
+        }
+        const unacknowledgedWrite = this.writeConcern && this.writeConcern.w === 0;
+        if (unacknowledgedWrite || (0, utils_1.maxWireVersion)(server) < 5) {
+            if (this.statements.find((o) => o.hint)) {
+                callback(new error_1.MongoCompatibilityError(`Servers < 3.4 do not support hint on delete`));
+                return;
+            }
+        }
+        const statementWithCollation = this.statements.find(statement => !!statement.collation);
+        if (statementWithCollation && (0, utils_1.collationNotSupported)(server, statementWithCollation)) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name} does not support collation`));
+            return;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.DeleteOperation = DeleteOperation;
+class DeleteOneOperation extends DeleteOperation {
+    constructor(collection, filter, options) {
+        super(collection.s.namespace, [makeDeleteStatement(filter, { ...options, limit: 1 })], options);
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, res) => {
+            var _a, _b;
+            if (err || res == null)
+                return callback(err);
+            if (res.code)
+                return callback(new error_1.MongoServerError(res));
+            if (res.writeErrors)
+                return callback(new error_1.MongoServerError(res.writeErrors[0]));
+            if (this.explain)
+                return callback(undefined, res);
+            callback(undefined, {
+                acknowledged: (_b = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) !== 0) !== null && _b !== void 0 ? _b : true,
+                deletedCount: res.n
+            });
+        });
+    }
+}
+exports.DeleteOneOperation = DeleteOneOperation;
+class DeleteManyOperation extends DeleteOperation {
+    constructor(collection, filter, options) {
+        super(collection.s.namespace, [makeDeleteStatement(filter, options)], options);
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, res) => {
+            var _a, _b;
+            if (err || res == null)
+                return callback(err);
+            if (res.code)
+                return callback(new error_1.MongoServerError(res));
+            if (res.writeErrors)
+                return callback(new error_1.MongoServerError(res.writeErrors[0]));
+            if (this.explain)
+                return callback(undefined, res);
+            callback(undefined, {
+                acknowledged: (_b = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) !== 0) !== null && _b !== void 0 ? _b : true,
+                deletedCount: res.n
+            });
+        });
+    }
+}
+exports.DeleteManyOperation = DeleteManyOperation;
+function makeDeleteStatement(filter, options) {
+    const op = {
+        q: filter,
+        limit: typeof options.limit === 'number' ? options.limit : 0
+    };
+    if (options.single === true) {
+        op.limit = 1;
+    }
+    if (options.collation) {
+        op.collation = options.collation;
+    }
+    if (options.hint) {
+        op.hint = options.hint;
+    }
+    return op;
+}
+exports.makeDeleteStatement = makeDeleteStatement;
+(0, operation_1.defineAspects)(DeleteOperation, [operation_1.Aspect.RETRYABLE, operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(DeleteOneOperation, [
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.WRITE_OPERATION,
+    operation_1.Aspect.EXPLAINABLE,
+    operation_1.Aspect.SKIP_COLLATION
+]);
+(0, operation_1.defineAspects)(DeleteManyOperation, [
+    operation_1.Aspect.WRITE_OPERATION,
+    operation_1.Aspect.EXPLAINABLE,
+    operation_1.Aspect.SKIP_COLLATION
+]);
+//# sourceMappingURL=delete.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/delete.js.map b/node_modules/mongodb/lib/operations/delete.js.map
new file mode 100644
index 000000000..e716dfe5e
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/delete.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/distinct.js b/node_modules/mongodb/lib/operations/distinct.js
new file mode 100644
index 000000000..8e9dd9455
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/distinct.js
@@ -0,0 +1,67 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DistinctOperation = void 0;
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/**
+ * Return a list of distinct values for the given key across a collection.
+ * @internal
+ */
+class DistinctOperation extends command_1.CommandOperation {
+    /**
+     * Construct a Distinct operation.
+     *
+     * @param collection - Collection instance.
+     * @param key - Field of the document to find distinct values for.
+     * @param query - The query for filtering the set of documents to which we apply the distinct filter.
+     * @param options - Optional settings. See Collection.prototype.distinct for a list of options.
+     */
+    constructor(collection, key, query, options) {
+        super(collection, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.collection = collection;
+        this.key = key;
+        this.query = query;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        const key = this.key;
+        const query = this.query;
+        const options = this.options;
+        // Distinct command
+        const cmd = {
+            distinct: coll.collectionName,
+            key: key,
+            query: query
+        };
+        // Add maxTimeMS if defined
+        if (typeof options.maxTimeMS === 'number') {
+            cmd.maxTimeMS = options.maxTimeMS;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (typeof options.comment !== 'undefined') {
+            cmd.comment = options.comment;
+        }
+        // Do we have a readConcern specified
+        (0, utils_1.decorateWithReadConcern)(cmd, coll, options);
+        // Have we specified collation
+        try {
+            (0, utils_1.decorateWithCollation)(cmd, coll, options);
+        }
+        catch (err) {
+            return callback(err);
+        }
+        super.executeCommand(server, session, cmd, (err, result) => {
+            if (err) {
+                callback(err);
+                return;
+            }
+            callback(undefined, this.explain ? result : result.values);
+        });
+    }
+}
+exports.DistinctOperation = DistinctOperation;
+(0, operation_1.defineAspects)(DistinctOperation, [operation_1.Aspect.READ_OPERATION, operation_1.Aspect.RETRYABLE, operation_1.Aspect.EXPLAINABLE]);
+//# sourceMappingURL=distinct.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/distinct.js.map b/node_modules/mongodb/lib/operations/distinct.js.map
new file mode 100644
index 000000000..39dc73ba9
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/distinct.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"distinct.js","sourceRoot":"","sources":["../../src/operations/distinct.ts"],"names":[],"mappings":";;;AAIA,oCAAoF;AACpF,uCAAsE;AACtE,2CAAoD;AAKpD;;;GAGG;AACH,MAAa,iBAAkB,SAAQ,0BAAuB;IAQ5D;;;;;;;OAOG;IACH,YAAY,UAAsB,EAAE,GAAW,EAAE,KAAe,EAAE,OAAyB;QACzF,KAAK,CAAC,UAAU,EAAE,OAAO,CAAC,CAAC;QAE3B,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAC7B,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,GAAG,GAAG,GAAG,CAAC;QACf,IAAI,CAAC,KAAK,GAAG,KAAK,CAAC;IACrB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAyB;QAEzB,MAAM,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;QAC7B,MAAM,GAAG,GAAG,IAAI,CAAC,GAAG,CAAC;QACrB,MAAM,KAAK,GAAG,IAAI,CAAC,KAAK,CAAC;QACzB,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;QAE7B,mBAAmB;QACnB,MAAM,GAAG,GAAa;YACpB,QAAQ,EAAE,IAAI,CAAC,cAAc;YAC7B,GAAG,EAAE,GAAG;YACR,KAAK,EAAE,KAAK;SACb,CAAC;QAEF,2BAA2B;QAC3B,IAAI,OAAO,OAAO,CAAC,SAAS,KAAK,QAAQ,EAAE;YACzC,GAAG,CAAC,SAAS,GAAG,OAAO,CAAC,SAAS,CAAC;SACnC;QAED,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,OAAO,OAAO,CAAC,OAAO,KAAK,WAAW,EAAE;YAC1C,GAAG,CAAC,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;SAC/B;QAED,qCAAqC;QACrC,IAAA,+BAAuB,EAAC,GAAG,EAAE,IAAI,EAAE,OAAO,CAAC,CAAC;QAE5C,8BAA8B;QAC9B,IAAI;YACF,IAAA,6BAAqB,EAAC,GAAG,EAAE,IAAI,EAAE,OAAO,CAAC,CAAC;SAC3C;QAAC,OAAO,GAAG,EAAE;YACZ,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;SACtB;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,GAAG,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;YACzD,IAAI,GAAG,EAAE;gBACP,QAAQ,CAAC,GAAG,CAAC,CAAC;gBACd,OAAO;aACR;YAED,QAAQ,CAAC,SAAS,EAAE,IAAI,CAAC,OAAO,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,MAAM,CAAC,MAAM,CAAC,CAAC;QAC7D,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAxED,8CAwEC;AAED,IAAA,yBAAa,EAAC,iBAAiB,EAAE,CAAC,kBAAM,CAAC,cAAc,EAAE,kBAAM,CAAC,SAAS,EAAE,kBAAM,CAAC,WAAW,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/drop.js b/node_modules/mongodb/lib/operations/drop.js
new file mode 100644
index 000000000..c0cbcf2f4
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/drop.js
@@ -0,0 +1,84 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DropDatabaseOperation = exports.DropCollectionOperation = void 0;
+const error_1 = require("../error");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class DropCollectionOperation extends command_1.CommandOperation {
+    constructor(db, name, options = {}) {
+        super(db, options);
+        this.db = db;
+        this.options = options;
+        this.name = name;
+    }
+    execute(server, session, callback) {
+        (async () => {
+            var _a, _b, _c, _d;
+            const db = this.db;
+            const options = this.options;
+            const name = this.name;
+            const encryptedFieldsMap = (_a = db.s.client.options.autoEncryption) === null || _a === void 0 ? void 0 : _a.encryptedFieldsMap;
+            let encryptedFields = (_b = options.encryptedFields) !== null && _b !== void 0 ? _b : encryptedFieldsMap === null || encryptedFieldsMap === void 0 ? void 0 : encryptedFieldsMap[`${db.databaseName}.${name}`];
+            if (!encryptedFields && encryptedFieldsMap) {
+                // If the MongoClient was configued with an encryptedFieldsMap,
+                // and no encryptedFields config was available in it or explicitly
+                // passed as an argument, the spec tells us to look one up using
+                // listCollections().
+                const listCollectionsResult = await db
+                    .listCollections({ name }, { nameOnly: false })
+                    .toArray();
+                encryptedFields = (_d = (_c = listCollectionsResult === null || listCollectionsResult === void 0 ? void 0 : listCollectionsResult[0]) === null || _c === void 0 ? void 0 : _c.options) === null || _d === void 0 ? void 0 : _d.encryptedFields;
+            }
+            if (encryptedFields) {
+                const escCollection = encryptedFields.escCollection || `enxcol_.${name}.esc`;
+                const eccCollection = encryptedFields.eccCollection || `enxcol_.${name}.ecc`;
+                const ecocCollection = encryptedFields.ecocCollection || `enxcol_.${name}.ecoc`;
+                for (const collectionName of [escCollection, eccCollection, ecocCollection]) {
+                    // Drop auxilliary collections, ignoring potential NamespaceNotFound errors.
+                    const dropOp = new DropCollectionOperation(db, collectionName);
+                    try {
+                        await dropOp.executeWithoutEncryptedFieldsCheck(server, session);
+                    }
+                    catch (err) {
+                        if (!(err instanceof error_1.MongoServerError) ||
+                            err.code !== error_1.MONGODB_ERROR_CODES.NamespaceNotFound) {
+                            throw err;
+                        }
+                    }
+                }
+            }
+            return await this.executeWithoutEncryptedFieldsCheck(server, session);
+        })().then(result => callback(undefined, result), err => callback(err));
+    }
+    executeWithoutEncryptedFieldsCheck(server, session) {
+        return new Promise((resolve, reject) => {
+            super.executeCommand(server, session, { drop: this.name }, (err, result) => {
+                if (err)
+                    return reject(err);
+                resolve(!!result.ok);
+            });
+        });
+    }
+}
+exports.DropCollectionOperation = DropCollectionOperation;
+/** @internal */
+class DropDatabaseOperation extends command_1.CommandOperation {
+    constructor(db, options) {
+        super(db, options);
+        this.options = options;
+    }
+    execute(server, session, callback) {
+        super.executeCommand(server, session, { dropDatabase: 1 }, (err, result) => {
+            if (err)
+                return callback(err);
+            if (result.ok)
+                return callback(undefined, true);
+            callback(undefined, false);
+        });
+    }
+}
+exports.DropDatabaseOperation = DropDatabaseOperation;
+(0, operation_1.defineAspects)(DropCollectionOperation, [operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(DropDatabaseOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=drop.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/drop.js.map b/node_modules/mongodb/lib/operations/drop.js.map
new file mode 100644
index 000000000..6f6e283b4
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/drop.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"drop.js","sourceRoot":"","sources":["../../src/operations/drop.ts"],"names":[],"mappings":";;;AAEA,oCAAiE;AAIjE,uCAAsE;AACtE,2CAAoD;AAQpD,gBAAgB;AAChB,MAAa,uBAAwB,SAAQ,0BAAyB;IAKpE,YAAY,EAAM,EAAE,IAAY,EAAE,UAAiC,EAAE;QACnE,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;IACnB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA2B;QAE3B,CAAC,KAAK,IAAI,EAAE;;YACV,MAAM,EAAE,GAAG,IAAI,CAAC,EAAE,CAAC;YACnB,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;YAC7B,MAAM,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC;YAEvB,MAAM,kBAAkB,GAAG,MAAA,EAAE,CAAC,CAAC,CAAC,MAAM,CAAC,OAAO,CAAC,cAAc,0CAAE,kBAAkB,CAAC;YAClF,IAAI,eAAe,GACjB,MAAA,OAAO,CAAC,eAAe,mCAAI,kBAAkB,aAAlB,kBAAkB,uBAAlB,kBAAkB,CAAG,GAAG,EAAE,CAAC,YAAY,IAAI,IAAI,EAAE,CAAC,CAAC;YAEhF,IAAI,CAAC,eAAe,IAAI,kBAAkB,EAAE;gBAC1C,+DAA+D;gBAC/D,kEAAkE;gBAClE,gEAAgE;gBAChE,qBAAqB;gBACrB,MAAM,qBAAqB,GAAG,MAAM,EAAE;qBACnC,eAAe,CAAC,EAAE,IAAI,EAAE,EAAE,EAAE,QAAQ,EAAE,KAAK,EAAE,CAAC;qBAC9C,OAAO,EAAE,CAAC;gBACb,eAAe,GAAG,MAAA,MAAA,qBAAqB,aAArB,qBAAqB,uBAArB,qBAAqB,CAAG,CAAC,CAAC,0CAAE,OAAO,0CAAE,eAAe,CAAC;aACxE;YAED,IAAI,eAAe,EAAE;gBACnB,MAAM,aAAa,GAAG,eAAe,CAAC,aAAa,IAAI,WAAW,IAAI,MAAM,CAAC;gBAC7E,MAAM,aAAa,GAAG,eAAe,CAAC,aAAa,IAAI,WAAW,IAAI,MAAM,CAAC;gBAC7E,MAAM,cAAc,GAAG,eAAe,CAAC,cAAc,IAAI,WAAW,IAAI,OAAO,CAAC;gBAEhF,KAAK,MAAM,cAAc,IAAI,CAAC,aAAa,EAAE,aAAa,EAAE,cAAc,CAAC,EAAE;oBAC3E,4EAA4E;oBAC5E,MAAM,MAAM,GAAG,IAAI,uBAAuB,CAAC,EAAE,EAAE,cAAc,CAAC,CAAC;oBAC/D,IAAI;wBACF,MAAM,MAAM,CAAC,kCAAkC,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC;qBAClE;oBAAC,OAAO,GAAG,EAAE;wBACZ,IACE,CAAC,CAAC,GAAG,YAAY,wBAAgB,CAAC;4BAClC,GAAG,CAAC,IAAI,KAAK,2BAAmB,CAAC,iBAAiB,EAClD;4BACA,MAAM,GAAG,CAAC;yBACX;qBACF;iBACF;aACF;YAED,OAAO,MAAM,IAAI,CAAC,kCAAkC,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC;QACxE,CAAC,CAAC,EAAE,CAAC,IAAI,CACP,MAAM,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EACrC,GAAG,CAAC,EAAE,CAAC,QAAQ,CAAC,GAAG,CAAC,CACrB,CAAC;IACJ,CAAC;IAEO,kCAAkC,CACxC,MAAc,EACd,OAAkC;QAElC,OAAO,IAAI,OAAO,CAAU,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE;YAC9C,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,EAAE,IAAI,EAAE,IAAI,CAAC,IAAI,EAAE,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;gBACzE,IAAI,GAAG;oBAAE,OAAO,MAAM,CAAC,GAAG,CAAC,CAAC;gBAC5B,OAAO,CAAC,CAAC,CAAC,MAAM,CAAC,EAAE,CAAC,CAAC;YACvB,CAAC,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA5ED,0DA4EC;AAKD,gBAAgB;AAChB,MAAa,qBAAsB,SAAQ,0BAAyB;IAGlE,YAAY,EAAM,EAAE,OAA4B;QAC9C,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IACQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA2B;QAE3B,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,EAAE,YAAY,EAAE,CAAC,EAAE,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;YACzE,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC9B,IAAI,MAAM,CAAC,EAAE;gBAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC;YAChD,QAAQ,CAAC,SAAS,EAAE,KAAK,CAAC,CAAC;QAC7B,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAlBD,sDAkBC;AAED,IAAA,yBAAa,EAAC,uBAAuB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC;AACjE,IAAA,yBAAa,EAAC,qBAAqB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/estimated_document_count.js b/node_modules/mongodb/lib/operations/estimated_document_count.js
new file mode 100644
index 000000000..1cd7f60bf
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/estimated_document_count.js
@@ -0,0 +1,38 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EstimatedDocumentCountOperation = void 0;
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class EstimatedDocumentCountOperation extends command_1.CommandOperation {
+    constructor(collection, options = {}) {
+        super(collection, options);
+        this.options = options;
+        this.collectionName = collection.collectionName;
+    }
+    execute(server, session, callback) {
+        const cmd = { count: this.collectionName };
+        if (typeof this.options.maxTimeMS === 'number') {
+            cmd.maxTimeMS = this.options.maxTimeMS;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (this.options.comment !== undefined) {
+            cmd.comment = this.options.comment;
+        }
+        super.executeCommand(server, session, cmd, (err, response) => {
+            if (err) {
+                callback(err);
+                return;
+            }
+            callback(undefined, (response === null || response === void 0 ? void 0 : response.n) || 0);
+        });
+    }
+}
+exports.EstimatedDocumentCountOperation = EstimatedDocumentCountOperation;
+(0, operation_1.defineAspects)(EstimatedDocumentCountOperation, [
+    operation_1.Aspect.READ_OPERATION,
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.CURSOR_CREATING
+]);
+//# sourceMappingURL=estimated_document_count.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/estimated_document_count.js.map b/node_modules/mongodb/lib/operations/estimated_document_count.js.map
new file mode 100644
index 000000000..e325a23d5
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/estimated_document_count.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"estimated_document_count.js","sourceRoot":"","sources":["../../src/operations/estimated_document_count.ts"],"names":[],"mappings":";;;AAKA,uCAAsE;AACtE,2CAAoD;AAYpD,gBAAgB;AAChB,MAAa,+BAAgC,SAAQ,0BAAwB;IAI3E,YAAY,UAAsB,EAAE,UAAyC,EAAE;QAC7E,KAAK,CAAC,UAAU,EAAE,OAAO,CAAC,CAAC;QAC3B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,cAAc,GAAG,UAAU,CAAC,cAAc,CAAC;IAClD,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA0B;QAE1B,MAAM,GAAG,GAAa,EAAE,KAAK,EAAE,IAAI,CAAC,cAAc,EAAE,CAAC;QAErD,IAAI,OAAO,IAAI,CAAC,OAAO,CAAC,SAAS,KAAK,QAAQ,EAAE;YAC9C,GAAG,CAAC,SAAS,GAAG,IAAI,CAAC,OAAO,CAAC,SAAS,CAAC;SACxC;QAED,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,IAAI,CAAC,OAAO,CAAC,OAAO,KAAK,SAAS,EAAE;YACtC,GAAG,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC,OAAO,CAAC;SACpC;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,GAAG,EAAE,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;YAC3D,IAAI,GAAG,EAAE;gBACP,QAAQ,CAAC,GAAG,CAAC,CAAC;gBACd,OAAO;aACR;YAED,QAAQ,CAAC,SAAS,EAAE,CAAA,QAAQ,aAAR,QAAQ,uBAAR,QAAQ,CAAE,CAAC,KAAI,CAAC,CAAC,CAAC;QACxC,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AApCD,0EAoCC;AAED,IAAA,yBAAa,EAAC,+BAA+B,EAAE;IAC7C,kBAAM,CAAC,cAAc;IACrB,kBAAM,CAAC,SAAS;IAChB,kBAAM,CAAC,eAAe;CACvB,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/eval.js b/node_modules/mongodb/lib/operations/eval.js
new file mode 100644
index 000000000..7227ce458
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/eval.js
@@ -0,0 +1,55 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EvalOperation = void 0;
+const bson_1 = require("../bson");
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const command_1 = require("./command");
+/** @internal */
+class EvalOperation extends command_1.CommandOperation {
+    constructor(db, code, parameters, options) {
+        super(db, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.code = code;
+        this.parameters = parameters;
+        // force primary read preference
+        Object.defineProperty(this, 'readPreference', {
+            value: read_preference_1.ReadPreference.primary,
+            configurable: false,
+            writable: false
+        });
+    }
+    execute(server, session, callback) {
+        let finalCode = this.code;
+        let finalParameters = [];
+        // If not a code object translate to one
+        if (!(finalCode && finalCode._bsontype === 'Code')) {
+            finalCode = new bson_1.Code(finalCode);
+        }
+        // Ensure the parameters are correct
+        if (this.parameters != null && typeof this.parameters !== 'function') {
+            finalParameters = Array.isArray(this.parameters) ? this.parameters : [this.parameters];
+        }
+        // Create execution selector
+        const cmd = { $eval: finalCode, args: finalParameters };
+        // Check if the nolock parameter is passed in
+        if (this.options.nolock) {
+            cmd.nolock = this.options.nolock;
+        }
+        // Execute the command
+        super.executeCommand(server, session, cmd, (err, result) => {
+            if (err)
+                return callback(err);
+            if (result && result.ok === 1) {
+                return callback(undefined, result.retval);
+            }
+            if (result) {
+                callback(new error_1.MongoServerError({ message: `eval failed: ${result.errmsg}` }));
+                return;
+            }
+            callback(err, result);
+        });
+    }
+}
+exports.EvalOperation = EvalOperation;
+//# sourceMappingURL=eval.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/eval.js.map b/node_modules/mongodb/lib/operations/eval.js.map
new file mode 100644
index 000000000..de1692de4
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/eval.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/execute_operation.js b/node_modules/mongodb/lib/operations/execute_operation.js
new file mode 100644
index 000000000..e9a242715
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/execute_operation.js
@@ -0,0 +1,185 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.executeOperation = void 0;
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const server_selection_1 = require("../sdam/server_selection");
+const utils_1 = require("../utils");
+const operation_1 = require("./operation");
+const MMAPv1_RETRY_WRITES_ERROR_CODE = error_1.MONGODB_ERROR_CODES.IllegalOperation;
+const MMAPv1_RETRY_WRITES_ERROR_MESSAGE = 'This MongoDB deployment does not support retryable writes. Please add retryWrites=false to your connection string.';
+function executeOperation(client, operation, callback) {
+    if (!(operation instanceof operation_1.AbstractOperation)) {
+        // TODO(NODE-3483): Extend MongoRuntimeError
+        throw new error_1.MongoRuntimeError('This method requires a valid operation instance');
+    }
+    return (0, utils_1.maybePromise)(callback, callback => {
+        const topology = client.topology;
+        if (topology == null) {
+            if (client.s.hasBeenClosed) {
+                return callback(new error_1.MongoNotConnectedError('Client must be connected before running operations'));
+            }
+            client.s.options[Symbol.for('@@mdb.skipPingOnConnect')] = true;
+            return client.connect(error => {
+                delete client.s.options[Symbol.for('@@mdb.skipPingOnConnect')];
+                if (error) {
+                    return callback(error);
+                }
+                return executeOperation(client, operation, callback);
+            });
+        }
+        if (topology.shouldCheckForSessionSupport()) {
+            return topology.selectServer(read_preference_1.ReadPreference.primaryPreferred, {}, err => {
+                if (err)
+                    return callback(err);
+                executeOperation(client, operation, callback);
+            });
+        }
+        // The driver sessions spec mandates that we implicitly create sessions for operations
+        // that are not explicitly provided with a session.
+        let session = operation.session;
+        let owner;
+        if (topology.hasSessionSupport()) {
+            if (session == null) {
+                owner = Symbol();
+                session = client.startSession({ owner, explicit: false });
+            }
+            else if (session.hasEnded) {
+                return callback(new error_1.MongoExpiredSessionError('Use of expired sessions is not permitted'));
+            }
+            else if (session.snapshotEnabled && !topology.capabilities.supportsSnapshotReads) {
+                return callback(new error_1.MongoCompatibilityError('Snapshot reads require MongoDB 5.0 or later'));
+            }
+        }
+        else {
+            // no session support
+            if (session && session.explicit) {
+                // If the user passed an explicit session and we are still, after server selection,
+                // trying to run against a topology that doesn't support sessions we error out.
+                return callback(new error_1.MongoCompatibilityError('Current topology does not support sessions'));
+            }
+            else if (session && !session.explicit) {
+                // We do not have to worry about ending the session because the server session has not been acquired yet
+                delete operation.options.session;
+                operation.clearSession();
+                session = undefined;
+            }
+        }
+        try {
+            executeWithServerSelection(topology, session, operation, (error, result) => {
+                if ((session === null || session === void 0 ? void 0 : session.owner) != null && session.owner === owner) {
+                    return session.endSession(endSessionError => callback(endSessionError !== null && endSessionError !== void 0 ? endSessionError : error, result));
+                }
+                callback(error, result);
+            });
+        }
+        catch (error) {
+            if ((session === null || session === void 0 ? void 0 : session.owner) != null && session.owner === owner) {
+                session.endSession().catch(() => null);
+            }
+            throw error;
+        }
+    });
+}
+exports.executeOperation = executeOperation;
+function executeWithServerSelection(topology, session, operation, callback) {
+    var _a, _b;
+    const readPreference = (_a = operation.readPreference) !== null && _a !== void 0 ? _a : read_preference_1.ReadPreference.primary;
+    const inTransaction = !!(session === null || session === void 0 ? void 0 : session.inTransaction());
+    if (inTransaction && !readPreference.equals(read_preference_1.ReadPreference.primary)) {
+        return callback(new error_1.MongoTransactionError(`Read preference in a transaction must be primary, not: ${readPreference.mode}`));
+    }
+    if ((session === null || session === void 0 ? void 0 : session.isPinned) && session.transaction.isCommitted && !operation.bypassPinningCheck) {
+        session.unpin();
+    }
+    let selector;
+    if (operation.hasAspect(operation_1.Aspect.MUST_SELECT_SAME_SERVER)) {
+        // GetMore and KillCursor operations must always select the same server, but run through
+        // server selection to potentially force monitor checks if the server is
+        // in an unknown state.
+        selector = (0, server_selection_1.sameServerSelector)((_b = operation.server) === null || _b === void 0 ? void 0 : _b.description);
+    }
+    else if (operation.trySecondaryWrite) {
+        // If operation should try to write to secondary use the custom server selector
+        // otherwise provide the read preference.
+        selector = (0, server_selection_1.secondaryWritableServerSelector)(topology.commonWireVersion, readPreference);
+    }
+    else {
+        selector = readPreference;
+    }
+    const serverSelectionOptions = { session };
+    function retryOperation(originalError) {
+        const isWriteOperation = operation.hasAspect(operation_1.Aspect.WRITE_OPERATION);
+        const isReadOperation = operation.hasAspect(operation_1.Aspect.READ_OPERATION);
+        if (isWriteOperation && originalError.code === MMAPv1_RETRY_WRITES_ERROR_CODE) {
+            return callback(new error_1.MongoServerError({
+                message: MMAPv1_RETRY_WRITES_ERROR_MESSAGE,
+                errmsg: MMAPv1_RETRY_WRITES_ERROR_MESSAGE,
+                originalError
+            }));
+        }
+        if (isWriteOperation && !(0, error_1.isRetryableWriteError)(originalError)) {
+            return callback(originalError);
+        }
+        if (isReadOperation && !(0, error_1.isRetryableReadError)(originalError)) {
+            return callback(originalError);
+        }
+        if (originalError instanceof error_1.MongoNetworkError &&
+            (session === null || session === void 0 ? void 0 : session.isPinned) &&
+            !session.inTransaction() &&
+            operation.hasAspect(operation_1.Aspect.CURSOR_CREATING)) {
+            // If we have a cursor and the initial command fails with a network error,
+            // we can retry it on another connection. So we need to check it back in, clear the
+            // pool for the service id, and retry again.
+            session.unpin({ force: true, forceClear: true });
+        }
+        // select a new server, and attempt to retry the operation
+        topology.selectServer(selector, serverSelectionOptions, (error, server) => {
+            if (!error && isWriteOperation && !(0, utils_1.supportsRetryableWrites)(server)) {
+                return callback(new error_1.MongoUnexpectedServerResponseError('Selected server does not support retryable writes'));
+            }
+            if (error || !server) {
+                return callback(error !== null && error !== void 0 ? error : new error_1.MongoUnexpectedServerResponseError('Server selection failed without error'));
+            }
+            operation.execute(server, session, callback);
+        });
+    }
+    if (readPreference &&
+        !readPreference.equals(read_preference_1.ReadPreference.primary) &&
+        (session === null || session === void 0 ? void 0 : session.inTransaction())) {
+        callback(new error_1.MongoTransactionError(`Read preference in a transaction must be primary, not: ${readPreference.mode}`));
+        return;
+    }
+    // select a server, and execute the operation against it
+    topology.selectServer(selector, serverSelectionOptions, (error, server) => {
+        if (error || !server) {
+            return callback(error);
+        }
+        if (session && operation.hasAspect(operation_1.Aspect.RETRYABLE)) {
+            const willRetryRead = topology.s.options.retryReads && !inTransaction && operation.canRetryRead;
+            const willRetryWrite = topology.s.options.retryWrites &&
+                !inTransaction &&
+                (0, utils_1.supportsRetryableWrites)(server) &&
+                operation.canRetryWrite;
+            const hasReadAspect = operation.hasAspect(operation_1.Aspect.READ_OPERATION);
+            const hasWriteAspect = operation.hasAspect(operation_1.Aspect.WRITE_OPERATION);
+            if ((hasReadAspect && willRetryRead) || (hasWriteAspect && willRetryWrite)) {
+                if (hasWriteAspect && willRetryWrite) {
+                    operation.options.willRetryWrite = true;
+                    session.incrementTransactionNumber();
+                }
+                return operation.execute(server, session, (error, result) => {
+                    if (error instanceof error_1.MongoError) {
+                        return retryOperation(error);
+                    }
+                    else if (error) {
+                        return callback(error);
+                    }
+                    callback(undefined, result);
+                });
+            }
+        }
+        return operation.execute(server, session, callback);
+    });
+}
+//# sourceMappingURL=execute_operation.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/execute_operation.js.map b/node_modules/mongodb/lib/operations/execute_operation.js.map
new file mode 100644
index 000000000..cf63e23f8
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/execute_operation.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/find.js b/node_modules/mongodb/lib/operations/find.js
new file mode 100644
index 000000000..ca1b1273e
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/find.js
@@ -0,0 +1,165 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.FindOperation = void 0;
+const error_1 = require("../error");
+const read_concern_1 = require("../read_concern");
+const sort_1 = require("../sort");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+const SUPPORTS_WRITE_CONCERN_AND_COLLATION = 5;
+/** @internal */
+class FindOperation extends command_1.CommandOperation {
+    constructor(collection, ns, filter = {}, options = {}) {
+        super(collection, options);
+        this.options = options;
+        this.ns = ns;
+        if (typeof filter !== 'object' || Array.isArray(filter)) {
+            throw new error_1.MongoInvalidArgumentError('Query filter must be a plain object or ObjectId');
+        }
+        // If the filter is a buffer, validate that is a valid BSON document
+        if (Buffer.isBuffer(filter)) {
+            const objectSize = filter[0] | (filter[1] << 8) | (filter[2] << 16) | (filter[3] << 24);
+            if (objectSize !== filter.length) {
+                throw new error_1.MongoInvalidArgumentError(`Query filter raw message size does not match message header size [${filter.length}] != [${objectSize}]`);
+            }
+        }
+        // special case passing in an ObjectId as a filter
+        this.filter = filter != null && filter._bsontype === 'ObjectID' ? { _id: filter } : filter;
+    }
+    execute(server, session, callback) {
+        this.server = server;
+        const serverWireVersion = (0, utils_1.maxWireVersion)(server);
+        const options = this.options;
+        if (options.allowDiskUse != null && serverWireVersion < 4) {
+            callback(new error_1.MongoCompatibilityError('Option "allowDiskUse" is not supported on MongoDB < 3.2'));
+            return;
+        }
+        if (options.collation && serverWireVersion < SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name}, which reports wire version ${serverWireVersion}, does not support collation`));
+            return;
+        }
+        let findCommand = makeFindCommand(this.ns, this.filter, options);
+        if (this.explain) {
+            findCommand = (0, utils_1.decorateWithExplain)(findCommand, this.explain);
+        }
+        server.command(this.ns, findCommand, {
+            ...this.options,
+            ...this.bsonOptions,
+            documentsReturnedIn: 'firstBatch',
+            session
+        }, callback);
+    }
+}
+exports.FindOperation = FindOperation;
+function makeFindCommand(ns, filter, options) {
+    const findCommand = {
+        find: ns.collection,
+        filter
+    };
+    if (options.sort) {
+        findCommand.sort = (0, sort_1.formatSort)(options.sort);
+    }
+    if (options.projection) {
+        let projection = options.projection;
+        if (projection && Array.isArray(projection)) {
+            projection = projection.length
+                ? projection.reduce((result, field) => {
+                    result[field] = 1;
+                    return result;
+                }, {})
+                : { _id: 1 };
+        }
+        findCommand.projection = projection;
+    }
+    if (options.hint) {
+        findCommand.hint = (0, utils_1.normalizeHintField)(options.hint);
+    }
+    if (typeof options.skip === 'number') {
+        findCommand.skip = options.skip;
+    }
+    if (typeof options.limit === 'number') {
+        if (options.limit < 0) {
+            findCommand.limit = -options.limit;
+            findCommand.singleBatch = true;
+        }
+        else {
+            findCommand.limit = options.limit;
+        }
+    }
+    if (typeof options.batchSize === 'number') {
+        if (options.batchSize < 0) {
+            if (options.limit &&
+                options.limit !== 0 &&
+                Math.abs(options.batchSize) < Math.abs(options.limit)) {
+                findCommand.limit = -options.batchSize;
+            }
+            findCommand.singleBatch = true;
+        }
+        else {
+            findCommand.batchSize = options.batchSize;
+        }
+    }
+    if (typeof options.singleBatch === 'boolean') {
+        findCommand.singleBatch = options.singleBatch;
+    }
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+        findCommand.comment = options.comment;
+    }
+    if (typeof options.maxTimeMS === 'number') {
+        findCommand.maxTimeMS = options.maxTimeMS;
+    }
+    const readConcern = read_concern_1.ReadConcern.fromOptions(options);
+    if (readConcern) {
+        findCommand.readConcern = readConcern.toJSON();
+    }
+    if (options.max) {
+        findCommand.max = options.max;
+    }
+    if (options.min) {
+        findCommand.min = options.min;
+    }
+    if (typeof options.returnKey === 'boolean') {
+        findCommand.returnKey = options.returnKey;
+    }
+    if (typeof options.showRecordId === 'boolean') {
+        findCommand.showRecordId = options.showRecordId;
+    }
+    if (typeof options.tailable === 'boolean') {
+        findCommand.tailable = options.tailable;
+    }
+    if (typeof options.oplogReplay === 'boolean') {
+        findCommand.oplogReplay = options.oplogReplay;
+    }
+    if (typeof options.timeout === 'boolean') {
+        findCommand.noCursorTimeout = !options.timeout;
+    }
+    else if (typeof options.noCursorTimeout === 'boolean') {
+        findCommand.noCursorTimeout = options.noCursorTimeout;
+    }
+    if (typeof options.awaitData === 'boolean') {
+        findCommand.awaitData = options.awaitData;
+    }
+    if (typeof options.allowPartialResults === 'boolean') {
+        findCommand.allowPartialResults = options.allowPartialResults;
+    }
+    if (options.collation) {
+        findCommand.collation = options.collation;
+    }
+    if (typeof options.allowDiskUse === 'boolean') {
+        findCommand.allowDiskUse = options.allowDiskUse;
+    }
+    if (options.let) {
+        findCommand.let = options.let;
+    }
+    return findCommand;
+}
+(0, operation_1.defineAspects)(FindOperation, [
+    operation_1.Aspect.READ_OPERATION,
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.EXPLAINABLE,
+    operation_1.Aspect.CURSOR_CREATING
+]);
+//# sourceMappingURL=find.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/find.js.map b/node_modules/mongodb/lib/operations/find.js.map
new file mode 100644
index 000000000..b497fde76
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/find.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/find_and_modify.js b/node_modules/mongodb/lib/operations/find_and_modify.js
new file mode 100644
index 000000000..525bdc692
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/find_and_modify.js
@@ -0,0 +1,156 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.FindOneAndUpdateOperation = exports.FindOneAndReplaceOperation = exports.FindOneAndDeleteOperation = exports.ReturnDocument = void 0;
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const sort_1 = require("../sort");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @public */
+exports.ReturnDocument = Object.freeze({
+    BEFORE: 'before',
+    AFTER: 'after'
+});
+function configureFindAndModifyCmdBaseUpdateOpts(cmdBase, options) {
+    cmdBase.new = options.returnDocument === exports.ReturnDocument.AFTER;
+    cmdBase.upsert = options.upsert === true;
+    if (options.bypassDocumentValidation === true) {
+        cmdBase.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+    return cmdBase;
+}
+/** @internal */
+class FindAndModifyOperation extends command_1.CommandOperation {
+    constructor(collection, query, options) {
+        super(collection, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.cmdBase = {
+            remove: false,
+            new: false,
+            upsert: false
+        };
+        const sort = (0, sort_1.formatSort)(options.sort);
+        if (sort) {
+            this.cmdBase.sort = sort;
+        }
+        if (options.projection) {
+            this.cmdBase.fields = options.projection;
+        }
+        if (options.maxTimeMS) {
+            this.cmdBase.maxTimeMS = options.maxTimeMS;
+        }
+        // Decorate the findAndModify command with the write Concern
+        if (options.writeConcern) {
+            this.cmdBase.writeConcern = options.writeConcern;
+        }
+        if (options.let) {
+            this.cmdBase.let = options.let;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (options.comment !== undefined) {
+            this.cmdBase.comment = options.comment;
+        }
+        // force primary read preference
+        this.readPreference = read_preference_1.ReadPreference.primary;
+        this.collection = collection;
+        this.query = query;
+    }
+    execute(server, session, callback) {
+        var _a;
+        const coll = this.collection;
+        const query = this.query;
+        const options = { ...this.options, ...this.bsonOptions };
+        // Create findAndModify command object
+        const cmd = {
+            findAndModify: coll.collectionName,
+            query: query,
+            ...this.cmdBase
+        };
+        // Have we specified collation
+        try {
+            (0, utils_1.decorateWithCollation)(cmd, coll, options);
+        }
+        catch (err) {
+            return callback(err);
+        }
+        if (options.hint) {
+            // TODO: once this method becomes a CommandOperation we will have the server
+            // in place to check.
+            const unacknowledgedWrite = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) === 0;
+            if (unacknowledgedWrite || (0, utils_1.maxWireVersion)(server) < 8) {
+                callback(new error_1.MongoCompatibilityError('The current topology does not support a hint on findAndModify commands'));
+                return;
+            }
+            cmd.hint = options.hint;
+        }
+        if (this.explain && (0, utils_1.maxWireVersion)(server) < 4) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name} does not support explain on findAndModify`));
+            return;
+        }
+        // Execute the command
+        super.executeCommand(server, session, cmd, (err, result) => {
+            if (err)
+                return callback(err);
+            return callback(undefined, result);
+        });
+    }
+}
+/** @internal */
+class FindOneAndDeleteOperation extends FindAndModifyOperation {
+    constructor(collection, filter, options) {
+        // Basic validation
+        if (filter == null || typeof filter !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Argument "filter" must be an object');
+        }
+        super(collection, filter, options);
+        this.cmdBase.remove = true;
+    }
+}
+exports.FindOneAndDeleteOperation = FindOneAndDeleteOperation;
+/** @internal */
+class FindOneAndReplaceOperation extends FindAndModifyOperation {
+    constructor(collection, filter, replacement, options) {
+        if (filter == null || typeof filter !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Argument "filter" must be an object');
+        }
+        if (replacement == null || typeof replacement !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Argument "replacement" must be an object');
+        }
+        if ((0, utils_1.hasAtomicOperators)(replacement)) {
+            throw new error_1.MongoInvalidArgumentError('Replacement document must not contain atomic operators');
+        }
+        super(collection, filter, options);
+        this.cmdBase.update = replacement;
+        configureFindAndModifyCmdBaseUpdateOpts(this.cmdBase, options);
+    }
+}
+exports.FindOneAndReplaceOperation = FindOneAndReplaceOperation;
+/** @internal */
+class FindOneAndUpdateOperation extends FindAndModifyOperation {
+    constructor(collection, filter, update, options) {
+        if (filter == null || typeof filter !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Argument "filter" must be an object');
+        }
+        if (update == null || typeof update !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Argument "update" must be an object');
+        }
+        if (!(0, utils_1.hasAtomicOperators)(update)) {
+            throw new error_1.MongoInvalidArgumentError('Update document requires atomic operators');
+        }
+        super(collection, filter, options);
+        this.cmdBase.update = update;
+        configureFindAndModifyCmdBaseUpdateOpts(this.cmdBase, options);
+        if (options.arrayFilters) {
+            this.cmdBase.arrayFilters = options.arrayFilters;
+        }
+    }
+}
+exports.FindOneAndUpdateOperation = FindOneAndUpdateOperation;
+(0, operation_1.defineAspects)(FindAndModifyOperation, [
+    operation_1.Aspect.WRITE_OPERATION,
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.EXPLAINABLE
+]);
+//# sourceMappingURL=find_and_modify.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/find_and_modify.js.map b/node_modules/mongodb/lib/operations/find_and_modify.js.map
new file mode 100644
index 000000000..2d6262aff
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/find_and_modify.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/get_more.js b/node_modules/mongodb/lib/operations/get_more.js
new file mode 100644
index 000000000..94ba64ed9
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/get_more.js
@@ -0,0 +1,58 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.GetMoreOperation = void 0;
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const operation_1 = require("./operation");
+/** @internal */
+class GetMoreOperation extends operation_1.AbstractOperation {
+    constructor(ns, cursorId, server, options) {
+        super(options);
+        this.options = options;
+        this.ns = ns;
+        this.cursorId = cursorId;
+        this.server = server;
+    }
+    /**
+     * Although there is a server already associated with the get more operation, the signature
+     * for execute passes a server so we will just use that one.
+     */
+    execute(server, session, callback) {
+        if (server !== this.server) {
+            return callback(new error_1.MongoRuntimeError('Getmore must run on the same server operation began on'));
+        }
+        if (this.cursorId == null || this.cursorId.isZero()) {
+            return callback(new error_1.MongoRuntimeError('Unable to iterate cursor with no id'));
+        }
+        const collection = this.ns.collection;
+        if (collection == null) {
+            // Cursors should have adopted the namespace returned by MongoDB
+            // which should always defined a collection name (even a pseudo one, ex. db.aggregate())
+            return callback(new error_1.MongoRuntimeError('A collection name must be determined before getMore'));
+        }
+        const getMoreCmd = {
+            getMore: this.cursorId,
+            collection
+        };
+        if (typeof this.options.batchSize === 'number') {
+            getMoreCmd.batchSize = Math.abs(this.options.batchSize);
+        }
+        if (typeof this.options.maxAwaitTimeMS === 'number') {
+            getMoreCmd.maxTimeMS = this.options.maxAwaitTimeMS;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (this.options.comment !== undefined && (0, utils_1.maxWireVersion)(server) >= 9) {
+            getMoreCmd.comment = this.options.comment;
+        }
+        const commandOptions = {
+            returnFieldSelector: null,
+            documentsReturnedIn: 'nextBatch',
+            ...this.options
+        };
+        server.command(this.ns, getMoreCmd, commandOptions, callback);
+    }
+}
+exports.GetMoreOperation = GetMoreOperation;
+(0, operation_1.defineAspects)(GetMoreOperation, [operation_1.Aspect.READ_OPERATION, operation_1.Aspect.MUST_SELECT_SAME_SERVER]);
+//# sourceMappingURL=get_more.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/get_more.js.map b/node_modules/mongodb/lib/operations/get_more.js.map
new file mode 100644
index 000000000..3803d986f
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/get_more.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/indexes.js b/node_modules/mongodb/lib/operations/indexes.js
new file mode 100644
index 000000000..d17ba2b9a
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/indexes.js
@@ -0,0 +1,270 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.IndexInformationOperation = exports.IndexExistsOperation = exports.ListIndexesOperation = exports.DropIndexesOperation = exports.DropIndexOperation = exports.EnsureIndexOperation = exports.CreateIndexOperation = exports.CreateIndexesOperation = exports.IndexesOperation = void 0;
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const common_functions_1 = require("./common_functions");
+const operation_1 = require("./operation");
+const VALID_INDEX_OPTIONS = new Set([
+    'background',
+    'unique',
+    'name',
+    'partialFilterExpression',
+    'sparse',
+    'hidden',
+    'expireAfterSeconds',
+    'storageEngine',
+    'collation',
+    'version',
+    // text indexes
+    'weights',
+    'default_language',
+    'language_override',
+    'textIndexVersion',
+    // 2d-sphere indexes
+    '2dsphereIndexVersion',
+    // 2d indexes
+    'bits',
+    'min',
+    'max',
+    // geoHaystack Indexes
+    'bucketSize',
+    // wildcard indexes
+    'wildcardProjection'
+]);
+function isIndexDirection(x) {
+    return (typeof x === 'number' || x === '2d' || x === '2dsphere' || x === 'text' || x === 'geoHaystack');
+}
+function isSingleIndexTuple(t) {
+    return Array.isArray(t) && t.length === 2 && isIndexDirection(t[1]);
+}
+function makeIndexSpec(indexSpec, options) {
+    var _a;
+    const key = new Map();
+    const indexSpecs = !Array.isArray(indexSpec) || isSingleIndexTuple(indexSpec) ? [indexSpec] : indexSpec;
+    // Iterate through array and handle different types
+    for (const spec of indexSpecs) {
+        if (typeof spec === 'string') {
+            key.set(spec, 1);
+        }
+        else if (Array.isArray(spec)) {
+            key.set(spec[0], (_a = spec[1]) !== null && _a !== void 0 ? _a : 1);
+        }
+        else if (spec instanceof Map) {
+            for (const [property, value] of spec) {
+                key.set(property, value);
+            }
+        }
+        else if ((0, utils_1.isObject)(spec)) {
+            for (const [property, value] of Object.entries(spec)) {
+                key.set(property, value);
+            }
+        }
+    }
+    return { ...options, key };
+}
+/** @internal */
+class IndexesOperation extends operation_1.AbstractOperation {
+    constructor(collection, options) {
+        super(options);
+        this.options = options;
+        this.collection = collection;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        const options = this.options;
+        (0, common_functions_1.indexInformation)(coll.s.db, coll.collectionName, { full: true, ...options, readPreference: this.readPreference, session }, callback);
+    }
+}
+exports.IndexesOperation = IndexesOperation;
+/** @internal */
+class CreateIndexesOperation extends command_1.CommandOperation {
+    constructor(parent, collectionName, indexes, options) {
+        super(parent, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.collectionName = collectionName;
+        this.indexes = indexes.map(userIndex => {
+            // Ensure the key is a Map to preserve index key ordering
+            const key = userIndex.key instanceof Map ? userIndex.key : new Map(Object.entries(userIndex.key));
+            const name = userIndex.name != null ? userIndex.name : Array.from(key).flat().join('_');
+            const validIndexOptions = Object.fromEntries(Object.entries({ ...userIndex }).filter(([optionName]) => VALID_INDEX_OPTIONS.has(optionName)));
+            return {
+                ...validIndexOptions,
+                name,
+                key
+            };
+        });
+    }
+    execute(server, session, callback) {
+        const options = this.options;
+        const indexes = this.indexes;
+        const serverWireVersion = (0, utils_1.maxWireVersion)(server);
+        const cmd = { createIndexes: this.collectionName, indexes };
+        if (options.commitQuorum != null) {
+            if (serverWireVersion < 9) {
+                callback(new error_1.MongoCompatibilityError('Option `commitQuorum` for `createIndexes` not supported on servers < 4.4'));
+                return;
+            }
+            cmd.commitQuorum = options.commitQuorum;
+        }
+        // collation is set on each index, it should not be defined at the root
+        this.options.collation = undefined;
+        super.executeCommand(server, session, cmd, err => {
+            if (err) {
+                callback(err);
+                return;
+            }
+            const indexNames = indexes.map(index => index.name || '');
+            callback(undefined, indexNames);
+        });
+    }
+}
+exports.CreateIndexesOperation = CreateIndexesOperation;
+/** @internal */
+class CreateIndexOperation extends CreateIndexesOperation {
+    constructor(parent, collectionName, indexSpec, options) {
+        super(parent, collectionName, [makeIndexSpec(indexSpec, options)], options);
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, indexNames) => {
+            if (err || !indexNames)
+                return callback(err);
+            return callback(undefined, indexNames[0]);
+        });
+    }
+}
+exports.CreateIndexOperation = CreateIndexOperation;
+/** @internal */
+class EnsureIndexOperation extends CreateIndexOperation {
+    constructor(db, collectionName, indexSpec, options) {
+        super(db, collectionName, indexSpec, options);
+        this.readPreference = read_preference_1.ReadPreference.primary;
+        this.db = db;
+        this.collectionName = collectionName;
+    }
+    execute(server, session, callback) {
+        const indexName = this.indexes[0].name;
+        const cursor = this.db.collection(this.collectionName).listIndexes({ session });
+        cursor.toArray((err, indexes) => {
+            /// ignore "NamespaceNotFound" errors
+            if (err && err.code !== error_1.MONGODB_ERROR_CODES.NamespaceNotFound) {
+                return callback(err);
+            }
+            if (indexes) {
+                indexes = Array.isArray(indexes) ? indexes : [indexes];
+                if (indexes.some(index => index.name === indexName)) {
+                    callback(undefined, indexName);
+                    return;
+                }
+            }
+            super.execute(server, session, callback);
+        });
+    }
+}
+exports.EnsureIndexOperation = EnsureIndexOperation;
+/** @internal */
+class DropIndexOperation extends command_1.CommandOperation {
+    constructor(collection, indexName, options) {
+        super(collection, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.collection = collection;
+        this.indexName = indexName;
+    }
+    execute(server, session, callback) {
+        const cmd = { dropIndexes: this.collection.collectionName, index: this.indexName };
+        super.executeCommand(server, session, cmd, callback);
+    }
+}
+exports.DropIndexOperation = DropIndexOperation;
+/** @internal */
+class DropIndexesOperation extends DropIndexOperation {
+    constructor(collection, options) {
+        super(collection, '*', options);
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, err => {
+            if (err)
+                return callback(err, false);
+            callback(undefined, true);
+        });
+    }
+}
+exports.DropIndexesOperation = DropIndexesOperation;
+/** @internal */
+class ListIndexesOperation extends command_1.CommandOperation {
+    constructor(collection, options) {
+        super(collection, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.collectionNamespace = collection.s.namespace;
+    }
+    execute(server, session, callback) {
+        const serverWireVersion = (0, utils_1.maxWireVersion)(server);
+        const cursor = this.options.batchSize ? { batchSize: this.options.batchSize } : {};
+        const command = { listIndexes: this.collectionNamespace.collection, cursor };
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (serverWireVersion >= 9 && this.options.comment !== undefined) {
+            command.comment = this.options.comment;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.ListIndexesOperation = ListIndexesOperation;
+/** @internal */
+class IndexExistsOperation extends operation_1.AbstractOperation {
+    constructor(collection, indexes, options) {
+        super(options);
+        this.options = options;
+        this.collection = collection;
+        this.indexes = indexes;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        const indexes = this.indexes;
+        (0, common_functions_1.indexInformation)(coll.s.db, coll.collectionName, { ...this.options, readPreference: this.readPreference, session }, (err, indexInformation) => {
+            // If we have an error return
+            if (err != null)
+                return callback(err);
+            // Let's check for the index names
+            if (!Array.isArray(indexes))
+                return callback(undefined, indexInformation[indexes] != null);
+            // Check in list of indexes
+            for (let i = 0; i < indexes.length; i++) {
+                if (indexInformation[indexes[i]] == null) {
+                    return callback(undefined, false);
+                }
+            }
+            // All keys found return true
+            return callback(undefined, true);
+        });
+    }
+}
+exports.IndexExistsOperation = IndexExistsOperation;
+/** @internal */
+class IndexInformationOperation extends operation_1.AbstractOperation {
+    constructor(db, name, options) {
+        super(options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.db = db;
+        this.name = name;
+    }
+    execute(server, session, callback) {
+        const db = this.db;
+        const name = this.name;
+        (0, common_functions_1.indexInformation)(db, name, { ...this.options, readPreference: this.readPreference, session }, callback);
+    }
+}
+exports.IndexInformationOperation = IndexInformationOperation;
+(0, operation_1.defineAspects)(ListIndexesOperation, [
+    operation_1.Aspect.READ_OPERATION,
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.CURSOR_CREATING
+]);
+(0, operation_1.defineAspects)(CreateIndexesOperation, [operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(CreateIndexOperation, [operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(EnsureIndexOperation, [operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(DropIndexOperation, [operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(DropIndexesOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=indexes.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/indexes.js.map b/node_modules/mongodb/lib/operations/indexes.js.map
new file mode 100644
index 000000000..6dfc339f5
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/indexes.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/insert.js b/node_modules/mongodb/lib/operations/insert.js
new file mode 100644
index 000000000..aa617b487
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/insert.js
@@ -0,0 +1,99 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.InsertManyOperation = exports.InsertOneOperation = exports.InsertOperation = void 0;
+const error_1 = require("../error");
+const write_concern_1 = require("../write_concern");
+const bulk_write_1 = require("./bulk_write");
+const command_1 = require("./command");
+const common_functions_1 = require("./common_functions");
+const operation_1 = require("./operation");
+/** @internal */
+class InsertOperation extends command_1.CommandOperation {
+    constructor(ns, documents, options) {
+        var _a;
+        super(undefined, options);
+        this.options = { ...options, checkKeys: (_a = options.checkKeys) !== null && _a !== void 0 ? _a : false };
+        this.ns = ns;
+        this.documents = documents;
+    }
+    execute(server, session, callback) {
+        var _a;
+        const options = (_a = this.options) !== null && _a !== void 0 ? _a : {};
+        const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+        const command = {
+            insert: this.ns.collection,
+            documents: this.documents,
+            ordered
+        };
+        if (typeof options.bypassDocumentValidation === 'boolean') {
+            command.bypassDocumentValidation = options.bypassDocumentValidation;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (options.comment !== undefined) {
+            command.comment = options.comment;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.InsertOperation = InsertOperation;
+class InsertOneOperation extends InsertOperation {
+    constructor(collection, doc, options) {
+        super(collection.s.namespace, (0, common_functions_1.prepareDocs)(collection, [doc], options), options);
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, res) => {
+            var _a, _b;
+            if (err || res == null)
+                return callback(err);
+            if (res.code)
+                return callback(new error_1.MongoServerError(res));
+            if (res.writeErrors) {
+                // This should be a WriteError but we can't change it now because of error hierarchy
+                return callback(new error_1.MongoServerError(res.writeErrors[0]));
+            }
+            callback(undefined, {
+                acknowledged: (_b = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) !== 0) !== null && _b !== void 0 ? _b : true,
+                insertedId: this.documents[0]._id
+            });
+        });
+    }
+}
+exports.InsertOneOperation = InsertOneOperation;
+/** @internal */
+class InsertManyOperation extends operation_1.AbstractOperation {
+    constructor(collection, docs, options) {
+        super(options);
+        if (!Array.isArray(docs)) {
+            throw new error_1.MongoInvalidArgumentError('Argument "docs" must be an array of documents');
+        }
+        this.options = options;
+        this.collection = collection;
+        this.docs = docs;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        const options = { ...this.options, ...this.bsonOptions, readPreference: this.readPreference };
+        const writeConcern = write_concern_1.WriteConcern.fromOptions(options);
+        const bulkWriteOperation = new bulk_write_1.BulkWriteOperation(coll, (0, common_functions_1.prepareDocs)(coll, this.docs, options).map(document => ({ insertOne: { document } })), options);
+        bulkWriteOperation.execute(server, session, (err, res) => {
+            var _a;
+            if (err || res == null) {
+                if (err && err.message === 'Operation must be an object with an operation key') {
+                    err = new error_1.MongoInvalidArgumentError('Collection.insertMany() cannot be called with an array that has null/undefined values');
+                }
+                return callback(err);
+            }
+            callback(undefined, {
+                acknowledged: (_a = (writeConcern === null || writeConcern === void 0 ? void 0 : writeConcern.w) !== 0) !== null && _a !== void 0 ? _a : true,
+                insertedCount: res.insertedCount,
+                insertedIds: res.insertedIds
+            });
+        });
+    }
+}
+exports.InsertManyOperation = InsertManyOperation;
+(0, operation_1.defineAspects)(InsertOperation, [operation_1.Aspect.RETRYABLE, operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(InsertOneOperation, [operation_1.Aspect.RETRYABLE, operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(InsertManyOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=insert.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/insert.js.map b/node_modules/mongodb/lib/operations/insert.js.map
new file mode 100644
index 000000000..67a93dde3
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/insert.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"insert.js","sourceRoot":"","sources":["../../src/operations/insert.ts"],"names":[],"mappings":";;;AAGA,oCAAuE;AAKvE,oDAAgD;AAChD,6CAAkD;AAClD,uCAAsE;AACtE,yDAAiD;AACjD,2CAAuE;AAEvE,gBAAgB;AAChB,MAAa,eAAgB,SAAQ,0BAA0B;IAI7D,YAAY,EAAoB,EAAE,SAAqB,EAAE,OAAyB;;QAChF,KAAK,CAAC,SAAS,EAAE,OAAO,CAAC,CAAC;QAC1B,IAAI,CAAC,OAAO,GAAG,EAAE,GAAG,OAAO,EAAE,SAAS,EAAE,MAAA,OAAO,CAAC,SAAS,mCAAI,KAAK,EAAE,CAAC;QACrE,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,SAAS,GAAG,SAAS,CAAC;IAC7B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;;QAE5B,MAAM,OAAO,GAAG,MAAA,IAAI,CAAC,OAAO,mCAAI,EAAE,CAAC;QACnC,MAAM,OAAO,GAAG,OAAO,OAAO,CAAC,OAAO,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC,CAAC,IAAI,CAAC;QAC9E,MAAM,OAAO,GAAa;YACxB,MAAM,EAAE,IAAI,CAAC,EAAE,CAAC,UAAU;YAC1B,SAAS,EAAE,IAAI,CAAC,SAAS;YACzB,OAAO;SACR,CAAC;QAEF,IAAI,OAAO,OAAO,CAAC,wBAAwB,KAAK,SAAS,EAAE;YACzD,OAAO,CAAC,wBAAwB,GAAG,OAAO,CAAC,wBAAwB,CAAC;SACrE;QAED,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,OAAO,CAAC,OAAO,KAAK,SAAS,EAAE;YACjC,OAAO,CAAC,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;SACnC;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC3D,CAAC;CACF;AApCD,0CAoCC;AAkBD,MAAa,kBAAmB,SAAQ,eAAe;IACrD,YAAY,UAAsB,EAAE,GAAa,EAAE,OAAyB;QAC1E,KAAK,CAAC,UAAU,CAAC,CAAC,CAAC,SAAS,EAAE,IAAA,8BAAW,EAAC,UAAU,EAAE,CAAC,GAAG,CAAC,EAAE,OAAO,CAAC,EAAE,OAAO,CAAC,CAAC;IAClF,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAmC;QAEnC,KAAK,CAAC,OAAO,CAAC,MAAM,EAAE,OAAO,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;;YAC1C,IAAI,GAAG,IAAI,GAAG,IAAI,IAAI;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC7C,IAAI,GAAG,CAAC,IAAI;gBAAE,OAAO,QAAQ,CAAC,IAAI,wBAAgB,CAAC,GAAG,CAAC,CAAC,CAAC;YACzD,IAAI,GAAG,CAAC,WAAW,EAAE;gBACnB,oFAAoF;gBACpF,OAAO,QAAQ,CAAC,IAAI,wBAAgB,CAAC,GAAG,CAAC,WAAW,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;aAC3D;YAED,QAAQ,CAAC,SAAS,EAAE;gBAClB,YAAY,EAAE,MAAA,CAAA,MAAA,IAAI,CAAC,YAAY,0CAAE,CAAC,MAAK,CAAC,mCAAI,IAAI;gBAChD,UAAU,EAAE,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC,GAAG;aAClC,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAxBD,gDAwBC;AAYD,gBAAgB;AAChB,MAAa,mBAAoB,SAAQ,6BAAmC;IAK1E,YAAY,UAAsB,EAAE,IAAgB,EAAE,OAAyB;QAC7E,KAAK,CAAC,OAAO,CAAC,CAAC;QAEf,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE;YACxB,MAAM,IAAI,iCAAyB,CAAC,+CAA+C,CAAC,CAAC;SACtF;QAED,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;IACnB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAoC;QAEpC,MAAM,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;QAC7B,MAAM,OAAO,GAAG,EAAE,GAAG,IAAI,CAAC,OAAO,EAAE,GAAG,IAAI,CAAC,WAAW,EAAE,cAAc,EAAE,IAAI,CAAC,cAAc,EAAE,CAAC;QAC9F,MAAM,YAAY,GAAG,4BAAY,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;QACvD,MAAM,kBAAkB,GAAG,IAAI,+BAAkB,CAC/C,IAAI,EACJ,IAAA,8BAAW,EAAC,IAAI,EAAE,IAAI,CAAC,IAAI,EAAE,OAAO,CAAC,CAAC,GAAG,CAAC,QAAQ,CAAC,EAAE,CAAC,CAAC,EAAE,SAAS,EAAE,EAAE,QAAQ,EAAE,EAAE,CAAC,CAAC,EACpF,OAAO,CACR,CAAC;QAEF,kBAAkB,CAAC,OAAO,CAAC,MAAM,EAAE,OAAO,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;;YACvD,IAAI,GAAG,IAAI,GAAG,IAAI,IAAI,EAAE;gBACtB,IAAI,GAAG,IAAI,GAAG,CAAC,OAAO,KAAK,mDAAmD,EAAE;oBAC9E,GAAG,GAAG,IAAI,iCAAyB,CACjC,uFAAuF,CACxF,CAAC;iBACH;gBACD,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;aACtB;YACD,QAAQ,CAAC,SAAS,EAAE;gBAClB,YAAY,EAAE,MAAA,CAAA,YAAY,aAAZ,YAAY,uBAAZ,YAAY,CAAE,CAAC,MAAK,CAAC,mCAAI,IAAI;gBAC3C,aAAa,EAAE,GAAG,CAAC,aAAa;gBAChC,WAAW,EAAE,GAAG,CAAC,WAAW;aAC7B,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA/CD,kDA+CC;AAED,IAAA,yBAAa,EAAC,eAAe,EAAE,CAAC,kBAAM,CAAC,SAAS,EAAE,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC;AAC3E,IAAA,yBAAa,EAAC,kBAAkB,EAAE,CAAC,kBAAM,CAAC,SAAS,EAAE,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC;AAC9E,IAAA,yBAAa,EAAC,mBAAmB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/is_capped.js b/node_modules/mongodb/lib/operations/is_capped.js
new file mode 100644
index 000000000..dd2917a6d
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/is_capped.js
@@ -0,0 +1,30 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.IsCappedOperation = void 0;
+const error_1 = require("../error");
+const operation_1 = require("./operation");
+/** @internal */
+class IsCappedOperation extends operation_1.AbstractOperation {
+    constructor(collection, options) {
+        super(options);
+        this.options = options;
+        this.collection = collection;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        coll.s.db
+            .listCollections({ name: coll.collectionName }, { ...this.options, nameOnly: false, readPreference: this.readPreference, session })
+            .toArray((err, collections) => {
+            if (err || !collections)
+                return callback(err);
+            if (collections.length === 0) {
+                // TODO(NODE-3485)
+                return callback(new error_1.MongoAPIError(`collection ${coll.namespace} not found`));
+            }
+            const collOptions = collections[0].options;
+            callback(undefined, !!(collOptions && collOptions.capped));
+        });
+    }
+}
+exports.IsCappedOperation = IsCappedOperation;
+//# sourceMappingURL=is_capped.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/is_capped.js.map b/node_modules/mongodb/lib/operations/is_capped.js.map
new file mode 100644
index 000000000..13a584207
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/is_capped.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"is_capped.js","sourceRoot":"","sources":["../../src/operations/is_capped.ts"],"names":[],"mappings":";;;AACA,oCAAyC;AAIzC,2CAAkE;AAElE,gBAAgB;AAChB,MAAa,iBAAkB,SAAQ,6BAA0B;IAI/D,YAAY,UAAsB,EAAE,OAAyB;QAC3D,KAAK,CAAC,OAAO,CAAC,CAAC;QACf,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;IAC/B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA2B;QAE3B,MAAM,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;QAE7B,IAAI,CAAC,CAAC,CAAC,EAAE;aACN,eAAe,CACd,EAAE,IAAI,EAAE,IAAI,CAAC,cAAc,EAAE,EAC7B,EAAE,GAAG,IAAI,CAAC,OAAO,EAAE,QAAQ,EAAE,KAAK,EAAE,cAAc,EAAE,IAAI,CAAC,cAAc,EAAE,OAAO,EAAE,CACnF;aACA,OAAO,CAAC,CAAC,GAAG,EAAE,WAAW,EAAE,EAAE;YAC5B,IAAI,GAAG,IAAI,CAAC,WAAW;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC9C,IAAI,WAAW,CAAC,MAAM,KAAK,CAAC,EAAE;gBAC5B,kBAAkB;gBAClB,OAAO,QAAQ,CAAC,IAAI,qBAAa,CAAC,cAAc,IAAI,CAAC,SAAS,YAAY,CAAC,CAAC,CAAC;aAC9E;YAED,MAAM,WAAW,GAAG,WAAW,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC;YAC3C,QAAQ,CAAC,SAAS,EAAE,CAAC,CAAC,CAAC,WAAW,IAAI,WAAW,CAAC,MAAM,CAAC,CAAC,CAAC;QAC7D,CAAC,CAAC,CAAC;IACP,CAAC;CACF;AAjCD,8CAiCC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/kill_cursors.js b/node_modules/mongodb/lib/operations/kill_cursors.js
new file mode 100644
index 000000000..63d6e3e6f
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/kill_cursors.js
@@ -0,0 +1,32 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.KillCursorsOperation = void 0;
+const error_1 = require("../error");
+const operation_1 = require("./operation");
+class KillCursorsOperation extends operation_1.AbstractOperation {
+    constructor(cursorId, ns, server, options) {
+        super(options);
+        this.ns = ns;
+        this.cursorId = cursorId;
+        this.server = server;
+    }
+    execute(server, session, callback) {
+        if (server !== this.server) {
+            return callback(new error_1.MongoRuntimeError('Killcursor must run on the same server operation began on'));
+        }
+        const killCursors = this.ns.collection;
+        if (killCursors == null) {
+            // Cursors should have adopted the namespace returned by MongoDB
+            // which should always defined a collection name (even a pseudo one, ex. db.aggregate())
+            return callback(new error_1.MongoRuntimeError('A collection name must be determined before killCursors'));
+        }
+        const killCursorsCommand = {
+            killCursors,
+            cursors: [this.cursorId]
+        };
+        server.command(this.ns, killCursorsCommand, { session }, () => callback());
+    }
+}
+exports.KillCursorsOperation = KillCursorsOperation;
+(0, operation_1.defineAspects)(KillCursorsOperation, [operation_1.Aspect.MUST_SELECT_SAME_SERVER]);
+//# sourceMappingURL=kill_cursors.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/kill_cursors.js.map b/node_modules/mongodb/lib/operations/kill_cursors.js.map
new file mode 100644
index 000000000..022ad6874
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/kill_cursors.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"kill_cursors.js","sourceRoot":"","sources":["../../src/operations/kill_cursors.ts"],"names":[],"mappings":";;;AACA,oCAA6C;AAI7C,2CAAyF;AAYzF,MAAa,oBAAqB,SAAQ,6BAAiB;IAGzD,YAAY,QAAc,EAAE,EAAoB,EAAE,MAAc,EAAE,OAAyB;QACzF,KAAK,CAAC,OAAO,CAAC,CAAC;QACf,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;IACvB,CAAC;IAED,OAAO,CAAC,MAAc,EAAE,OAAkC,EAAE,QAAwB;QAClF,IAAI,MAAM,KAAK,IAAI,CAAC,MAAM,EAAE;YAC1B,OAAO,QAAQ,CACb,IAAI,yBAAiB,CAAC,2DAA2D,CAAC,CACnF,CAAC;SACH;QAED,MAAM,WAAW,GAAG,IAAI,CAAC,EAAE,CAAC,UAAU,CAAC;QACvC,IAAI,WAAW,IAAI,IAAI,EAAE;YACvB,gEAAgE;YAChE,wFAAwF;YACxF,OAAO,QAAQ,CACb,IAAI,yBAAiB,CAAC,yDAAyD,CAAC,CACjF,CAAC;SACH;QAED,MAAM,kBAAkB,GAAuB;YAC7C,WAAW;YACX,OAAO,EAAE,CAAC,IAAI,CAAC,QAAQ,CAAC;SACzB,CAAC;QAEF,MAAM,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE,EAAE,kBAAkB,EAAE,EAAE,OAAO,EAAE,EAAE,GAAG,EAAE,CAAC,QAAQ,EAAE,CAAC,CAAC;IAC7E,CAAC;CACF;AAjCD,oDAiCC;AAED,IAAA,yBAAa,EAAC,oBAAoB,EAAE,CAAC,kBAAM,CAAC,uBAAuB,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/list_collections.js b/node_modules/mongodb/lib/operations/list_collections.js
new file mode 100644
index 000000000..4badea166
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/list_collections.js
@@ -0,0 +1,46 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ListCollectionsOperation = void 0;
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class ListCollectionsOperation extends command_1.CommandOperation {
+    constructor(db, filter, options) {
+        super(db, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.db = db;
+        this.filter = filter;
+        this.nameOnly = !!this.options.nameOnly;
+        this.authorizedCollections = !!this.options.authorizedCollections;
+        if (typeof this.options.batchSize === 'number') {
+            this.batchSize = this.options.batchSize;
+        }
+    }
+    execute(server, session, callback) {
+        return super.executeCommand(server, session, this.generateCommand((0, utils_1.maxWireVersion)(server)), callback);
+    }
+    /* This is here for the purpose of unit testing the final command that gets sent. */
+    generateCommand(wireVersion) {
+        const command = {
+            listCollections: 1,
+            filter: this.filter,
+            cursor: this.batchSize ? { batchSize: this.batchSize } : {},
+            nameOnly: this.nameOnly,
+            authorizedCollections: this.authorizedCollections
+        };
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (wireVersion >= 9 && this.options.comment !== undefined) {
+            command.comment = this.options.comment;
+        }
+        return command;
+    }
+}
+exports.ListCollectionsOperation = ListCollectionsOperation;
+(0, operation_1.defineAspects)(ListCollectionsOperation, [
+    operation_1.Aspect.READ_OPERATION,
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.CURSOR_CREATING
+]);
+//# sourceMappingURL=list_collections.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/list_collections.js.map b/node_modules/mongodb/lib/operations/list_collections.js.map
new file mode 100644
index 000000000..615be1329
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/list_collections.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"list_collections.js","sourceRoot":"","sources":["../../src/operations/list_collections.ts"],"names":[],"mappings":";;;AAIA,oCAAoD;AACpD,uCAAsE;AACtE,2CAAoD;AAYpD,gBAAgB;AAChB,MAAa,wBAAyB,SAAQ,0BAA0B;IAQtE,YAAY,EAAM,EAAE,MAAgB,EAAE,OAAgC;QACpE,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QAEnB,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAC7B,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;QACrB,IAAI,CAAC,QAAQ,GAAG,CAAC,CAAC,IAAI,CAAC,OAAO,CAAC,QAAQ,CAAC;QACxC,IAAI,CAAC,qBAAqB,GAAG,CAAC,CAAC,IAAI,CAAC,OAAO,CAAC,qBAAqB,CAAC;QAElE,IAAI,OAAO,IAAI,CAAC,OAAO,CAAC,SAAS,KAAK,QAAQ,EAAE;YAC9C,IAAI,CAAC,SAAS,GAAG,IAAI,CAAC,OAAO,CAAC,SAAS,CAAC;SACzC;IACH,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;QAE5B,OAAO,KAAK,CAAC,cAAc,CACzB,MAAM,EACN,OAAO,EACP,IAAI,CAAC,eAAe,CAAC,IAAA,sBAAc,EAAC,MAAM,CAAC,CAAC,EAC5C,QAAQ,CACT,CAAC;IACJ,CAAC;IAED,oFAAoF;IACpF,eAAe,CAAC,WAAmB;QACjC,MAAM,OAAO,GAAa;YACxB,eAAe,EAAE,CAAC;YAClB,MAAM,EAAE,IAAI,CAAC,MAAM;YACnB,MAAM,EAAE,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,EAAE,SAAS,EAAE,IAAI,CAAC,SAAS,EAAE,CAAC,CAAC,CAAC,EAAE;YAC3D,QAAQ,EAAE,IAAI,CAAC,QAAQ;YACvB,qBAAqB,EAAE,IAAI,CAAC,qBAAqB;SAClD,CAAC;QAEF,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,WAAW,IAAI,CAAC,IAAI,IAAI,CAAC,OAAO,CAAC,OAAO,KAAK,SAAS,EAAE;YAC1D,OAAO,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC,OAAO,CAAC;SACxC;QAED,OAAO,OAAO,CAAC;IACjB,CAAC;CACF;AArDD,4DAqDC;AAcD,IAAA,yBAAa,EAAC,wBAAwB,EAAE;IACtC,kBAAM,CAAC,cAAc;IACrB,kBAAM,CAAC,SAAS;IAChB,kBAAM,CAAC,eAAe;CACvB,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/list_databases.js b/node_modules/mongodb/lib/operations/list_databases.js
new file mode 100644
index 000000000..967ab4e40
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/list_databases.js
@@ -0,0 +1,35 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ListDatabasesOperation = void 0;
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class ListDatabasesOperation extends command_1.CommandOperation {
+    constructor(db, options) {
+        super(db, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.ns = new utils_1.MongoDBNamespace('admin', '$cmd');
+    }
+    execute(server, session, callback) {
+        const cmd = { listDatabases: 1 };
+        if (this.options.nameOnly) {
+            cmd.nameOnly = Number(cmd.nameOnly);
+        }
+        if (this.options.filter) {
+            cmd.filter = this.options.filter;
+        }
+        if (typeof this.options.authorizedDatabases === 'boolean') {
+            cmd.authorizedDatabases = this.options.authorizedDatabases;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if ((0, utils_1.maxWireVersion)(server) >= 9 && this.options.comment !== undefined) {
+            cmd.comment = this.options.comment;
+        }
+        super.executeCommand(server, session, cmd, callback);
+    }
+}
+exports.ListDatabasesOperation = ListDatabasesOperation;
+(0, operation_1.defineAspects)(ListDatabasesOperation, [operation_1.Aspect.READ_OPERATION, operation_1.Aspect.RETRYABLE]);
+//# sourceMappingURL=list_databases.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/list_databases.js.map b/node_modules/mongodb/lib/operations/list_databases.js.map
new file mode 100644
index 000000000..8ea522d41
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/list_databases.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"list_databases.js","sourceRoot":"","sources":["../../src/operations/list_databases.ts"],"names":[],"mappings":";;;AAIA,oCAAsE;AACtE,uCAAsE;AACtE,2CAAoD;AAoBpD,gBAAgB;AAChB,MAAa,sBAAuB,SAAQ,0BAAqC;IAG/E,YAAY,EAAM,EAAE,OAA8B;QAChD,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAC7B,IAAI,CAAC,EAAE,GAAG,IAAI,wBAAgB,CAAC,OAAO,EAAE,MAAM,CAAC,CAAC;IAClD,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAuC;QAEvC,MAAM,GAAG,GAAa,EAAE,aAAa,EAAE,CAAC,EAAE,CAAC;QAC3C,IAAI,IAAI,CAAC,OAAO,CAAC,QAAQ,EAAE;YACzB,GAAG,CAAC,QAAQ,GAAG,MAAM,CAAC,GAAG,CAAC,QAAQ,CAAC,CAAC;SACrC;QAED,IAAI,IAAI,CAAC,OAAO,CAAC,MAAM,EAAE;YACvB,GAAG,CAAC,MAAM,GAAG,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC;SAClC;QAED,IAAI,OAAO,IAAI,CAAC,OAAO,CAAC,mBAAmB,KAAK,SAAS,EAAE;YACzD,GAAG,CAAC,mBAAmB,GAAG,IAAI,CAAC,OAAO,CAAC,mBAAmB,CAAC;SAC5D;QAED,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,IAAA,sBAAc,EAAC,MAAM,CAAC,IAAI,CAAC,IAAI,IAAI,CAAC,OAAO,CAAC,OAAO,KAAK,SAAS,EAAE;YACrE,GAAG,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC,OAAO,CAAC;SACpC;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,GAAG,EAAE,QAAQ,CAAC,CAAC;IACvD,CAAC;CACF;AAnCD,wDAmCC;AAED,IAAA,yBAAa,EAAC,sBAAsB,EAAE,CAAC,kBAAM,CAAC,cAAc,EAAE,kBAAM,CAAC,SAAS,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/map_reduce.js b/node_modules/mongodb/lib/operations/map_reduce.js
new file mode 100644
index 000000000..43f63a43f
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/map_reduce.js
@@ -0,0 +1,166 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MapReduceOperation = void 0;
+const bson_1 = require("../bson");
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+const exclusionList = [
+    'explain',
+    'readPreference',
+    'readConcern',
+    'session',
+    'bypassDocumentValidation',
+    'writeConcern',
+    'raw',
+    'fieldsAsRaw',
+    'promoteLongs',
+    'promoteValues',
+    'promoteBuffers',
+    'bsonRegExp',
+    'serializeFunctions',
+    'ignoreUndefined',
+    'enableUtf8Validation',
+    'scope' // this option is reformatted thus exclude the original
+];
+/**
+ * Run Map Reduce across a collection. Be aware that the inline option for out will return an array of results not a collection.
+ * @internal
+ */
+class MapReduceOperation extends command_1.CommandOperation {
+    /**
+     * Constructs a MapReduce operation.
+     *
+     * @param collection - Collection instance.
+     * @param map - The mapping function.
+     * @param reduce - The reduce function.
+     * @param options - Optional settings. See Collection.prototype.mapReduce for a list of options.
+     */
+    constructor(collection, map, reduce, options) {
+        super(collection, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.collection = collection;
+        this.map = map;
+        this.reduce = reduce;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        const map = this.map;
+        const reduce = this.reduce;
+        let options = this.options;
+        const mapCommandHash = {
+            mapReduce: coll.collectionName,
+            map: map,
+            reduce: reduce
+        };
+        if (options.scope) {
+            mapCommandHash.scope = processScope(options.scope);
+        }
+        // Add any other options passed in
+        for (const n in options) {
+            // Only include if not in exclusion list
+            if (exclusionList.indexOf(n) === -1) {
+                mapCommandHash[n] = options[n];
+            }
+        }
+        options = Object.assign({}, options);
+        // If we have a read preference and inline is not set as output fail hard
+        if (this.readPreference.mode === read_preference_1.ReadPreferenceMode.primary &&
+            options.out &&
+            options.out.inline !== 1 &&
+            options.out !== 'inline') {
+            // Force readPreference to primary
+            options.readPreference = read_preference_1.ReadPreference.primary;
+            // Decorate command with writeConcern if supported
+            (0, utils_1.applyWriteConcern)(mapCommandHash, { db: coll.s.db, collection: coll }, options);
+        }
+        else {
+            (0, utils_1.decorateWithReadConcern)(mapCommandHash, coll, options);
+        }
+        // Is bypassDocumentValidation specified
+        if (options.bypassDocumentValidation === true) {
+            mapCommandHash.bypassDocumentValidation = options.bypassDocumentValidation;
+        }
+        // Have we specified collation
+        try {
+            (0, utils_1.decorateWithCollation)(mapCommandHash, coll, options);
+        }
+        catch (err) {
+            return callback(err);
+        }
+        if (this.explain && (0, utils_1.maxWireVersion)(server) < 9) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name} does not support explain on mapReduce`));
+            return;
+        }
+        // Execute command
+        super.executeCommand(server, session, mapCommandHash, (err, result) => {
+            if (err)
+                return callback(err);
+            // Check if we have an error
+            if (1 !== result.ok || result.err || result.errmsg) {
+                return callback(new error_1.MongoServerError(result));
+            }
+            // If an explain option was executed, don't process the server results
+            if (this.explain)
+                return callback(undefined, result);
+            // Create statistics value
+            const stats = {};
+            if (result.timeMillis)
+                stats['processtime'] = result.timeMillis;
+            if (result.counts)
+                stats['counts'] = result.counts;
+            if (result.timing)
+                stats['timing'] = result.timing;
+            // invoked with inline?
+            if (result.results) {
+                // If we wish for no verbosity
+                if (options['verbose'] == null || !options['verbose']) {
+                    return callback(undefined, result.results);
+                }
+                return callback(undefined, { results: result.results, stats: stats });
+            }
+            // The returned collection
+            let collection = null;
+            // If we have an object it's a different db
+            if (result.result != null && typeof result.result === 'object') {
+                const doc = result.result;
+                // Return a collection from another db
+                collection = coll.s.db.s.client.db(doc.db, coll.s.db.s.options).collection(doc.collection);
+            }
+            else {
+                // Create a collection object that wraps the result collection
+                collection = coll.s.db.collection(result.result);
+            }
+            // If we wish for no verbosity
+            if (options['verbose'] == null || !options['verbose']) {
+                return callback(err, collection);
+            }
+            // Return stats as third set of values
+            callback(err, { collection, stats });
+        });
+    }
+}
+exports.MapReduceOperation = MapReduceOperation;
+/** Functions that are passed as scope args must be converted to Code instances. */
+function processScope(scope) {
+    if (!(0, utils_1.isObject)(scope) || scope._bsontype === 'ObjectID') {
+        return scope;
+    }
+    const newScope = {};
+    for (const key of Object.keys(scope)) {
+        if ('function' === typeof scope[key]) {
+            newScope[key] = new bson_1.Code(String(scope[key]));
+        }
+        else if (scope[key]._bsontype === 'Code') {
+            newScope[key] = scope[key];
+        }
+        else {
+            newScope[key] = processScope(scope[key]);
+        }
+    }
+    return newScope;
+}
+(0, operation_1.defineAspects)(MapReduceOperation, [operation_1.Aspect.EXPLAINABLE]);
+//# sourceMappingURL=map_reduce.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/map_reduce.js.map b/node_modules/mongodb/lib/operations/map_reduce.js.map
new file mode 100644
index 000000000..0cab777c7
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/map_reduce.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/operation.js b/node_modules/mongodb/lib/operations/operation.js
new file mode 100644
index 000000000..2f6c54fba
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/operation.js
@@ -0,0 +1,70 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.defineAspects = exports.AbstractOperation = exports.Aspect = void 0;
+const bson_1 = require("../bson");
+const read_preference_1 = require("../read_preference");
+exports.Aspect = {
+    READ_OPERATION: Symbol('READ_OPERATION'),
+    WRITE_OPERATION: Symbol('WRITE_OPERATION'),
+    RETRYABLE: Symbol('RETRYABLE'),
+    EXPLAINABLE: Symbol('EXPLAINABLE'),
+    SKIP_COLLATION: Symbol('SKIP_COLLATION'),
+    CURSOR_CREATING: Symbol('CURSOR_CREATING'),
+    MUST_SELECT_SAME_SERVER: Symbol('MUST_SELECT_SAME_SERVER')
+};
+/** @internal */
+const kSession = Symbol('session');
+/**
+ * This class acts as a parent class for any operation and is responsible for setting this.options,
+ * as well as setting and getting a session.
+ * Additionally, this class implements `hasAspect`, which determines whether an operation has
+ * a specific aspect.
+ * @internal
+ */
+class AbstractOperation {
+    constructor(options = {}) {
+        var _a;
+        this.readPreference = this.hasAspect(exports.Aspect.WRITE_OPERATION)
+            ? read_preference_1.ReadPreference.primary
+            : (_a = read_preference_1.ReadPreference.fromOptions(options)) !== null && _a !== void 0 ? _a : read_preference_1.ReadPreference.primary;
+        // Pull the BSON serialize options from the already-resolved options
+        this.bsonOptions = (0, bson_1.resolveBSONOptions)(options);
+        this[kSession] = options.session != null ? options.session : undefined;
+        this.options = options;
+        this.bypassPinningCheck = !!options.bypassPinningCheck;
+        this.trySecondaryWrite = false;
+    }
+    hasAspect(aspect) {
+        const ctor = this.constructor;
+        if (ctor.aspects == null) {
+            return false;
+        }
+        return ctor.aspects.has(aspect);
+    }
+    get session() {
+        return this[kSession];
+    }
+    clearSession() {
+        this[kSession] = undefined;
+    }
+    get canRetryRead() {
+        return true;
+    }
+    get canRetryWrite() {
+        return true;
+    }
+}
+exports.AbstractOperation = AbstractOperation;
+function defineAspects(operation, aspects) {
+    if (!Array.isArray(aspects) && !(aspects instanceof Set)) {
+        aspects = [aspects];
+    }
+    aspects = new Set(aspects);
+    Object.defineProperty(operation, 'aspects', {
+        value: aspects,
+        writable: false
+    });
+    return aspects;
+}
+exports.defineAspects = defineAspects;
+//# sourceMappingURL=operation.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/operation.js.map b/node_modules/mongodb/lib/operations/operation.js.map
new file mode 100644
index 000000000..b5d2ae070
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/operation.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"operation.js","sourceRoot":"","sources":["../../src/operations/operation.ts"],"names":[],"mappings":";;;AAAA,kCAA6E;AAC7E,wDAAwE;AAK3D,QAAA,MAAM,GAAG;IACpB,cAAc,EAAE,MAAM,CAAC,gBAAgB,CAAC;IACxC,eAAe,EAAE,MAAM,CAAC,iBAAiB,CAAC;IAC1C,SAAS,EAAE,MAAM,CAAC,WAAW,CAAC;IAC9B,WAAW,EAAE,MAAM,CAAC,aAAa,CAAC;IAClC,cAAc,EAAE,MAAM,CAAC,gBAAgB,CAAC;IACxC,eAAe,EAAE,MAAM,CAAC,iBAAiB,CAAC;IAC1C,uBAAuB,EAAE,MAAM,CAAC,yBAAyB,CAAC;CAClD,CAAC;AAuBX,gBAAgB;AAChB,MAAM,QAAQ,GAAG,MAAM,CAAC,SAAS,CAAC,CAAC;AAEnC;;;;;;GAMG;AACH,MAAsB,iBAAiB;IAerC,YAAY,UAA4B,EAAE;;QACxC,IAAI,CAAC,cAAc,GAAG,IAAI,CAAC,SAAS,CAAC,cAAM,CAAC,eAAe,CAAC;YAC1D,CAAC,CAAC,gCAAc,CAAC,OAAO;YACxB,CAAC,CAAC,MAAA,gCAAc,CAAC,WAAW,CAAC,OAAO,CAAC,mCAAI,gCAAc,CAAC,OAAO,CAAC;QAElE,oEAAoE;QACpE,IAAI,CAAC,WAAW,GAAG,IAAA,yBAAkB,EAAC,OAAO,CAAC,CAAC;QAE/C,IAAI,CAAC,QAAQ,CAAC,GAAG,OAAO,CAAC,OAAO,IAAI,IAAI,CAAC,CAAC,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC,CAAC,SAAS,CAAC;QAEvE,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,kBAAkB,GAAG,CAAC,CAAC,OAAO,CAAC,kBAAkB,CAAC;QACvD,IAAI,CAAC,iBAAiB,GAAG,KAAK,CAAC;IACjC,CAAC;IAQD,SAAS,CAAC,MAAc;QACtB,MAAM,IAAI,GAAG,IAAI,CAAC,WAAmC,CAAC;QACtD,IAAI,IAAI,CAAC,OAAO,IAAI,IAAI,EAAE;YACxB,OAAO,KAAK,CAAC;SACd;QAED,OAAO,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,MAAM,CAAC,CAAC;IAClC,CAAC;IAED,IAAI,OAAO;QACT,OAAO,IAAI,CAAC,QAAQ,CAAC,CAAC;IACxB,CAAC;IAED,YAAY;QACV,IAAI,CAAC,QAAQ,CAAC,GAAG,SAAS,CAAC;IAC7B,CAAC;IAED,IAAI,YAAY;QACd,OAAO,IAAI,CAAC;IACd,CAAC;IAED,IAAI,aAAa;QACf,OAAO,IAAI,CAAC;IACd,CAAC;CACF;AA5DD,8CA4DC;AAED,SAAgB,aAAa,CAC3B,SAA+B,EAC/B,OAAwC;IAExC,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,OAAO,CAAC,IAAI,CAAC,CAAC,OAAO,YAAY,GAAG,CAAC,EAAE;QACxD,OAAO,GAAG,CAAC,OAAO,CAAC,CAAC;KACrB;IAED,OAAO,GAAG,IAAI,GAAG,CAAC,OAAO,CAAC,CAAC;IAC3B,MAAM,CAAC,cAAc,CAAC,SAAS,EAAE,SAAS,EAAE;QAC1C,KAAK,EAAE,OAAO;QACd,QAAQ,EAAE,KAAK;KAChB,CAAC,CAAC;IAEH,OAAO,OAAO,CAAC;AACjB,CAAC;AAfD,sCAeC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/options_operation.js b/node_modules/mongodb/lib/operations/options_operation.js
new file mode 100644
index 000000000..f07f104dc
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/options_operation.js
@@ -0,0 +1,29 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.OptionsOperation = void 0;
+const error_1 = require("../error");
+const operation_1 = require("./operation");
+/** @internal */
+class OptionsOperation extends operation_1.AbstractOperation {
+    constructor(collection, options) {
+        super(options);
+        this.options = options;
+        this.collection = collection;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        coll.s.db
+            .listCollections({ name: coll.collectionName }, { ...this.options, nameOnly: false, readPreference: this.readPreference, session })
+            .toArray((err, collections) => {
+            if (err || !collections)
+                return callback(err);
+            if (collections.length === 0) {
+                // TODO(NODE-3485)
+                return callback(new error_1.MongoAPIError(`collection ${coll.namespace} not found`));
+            }
+            callback(err, collections[0].options);
+        });
+    }
+}
+exports.OptionsOperation = OptionsOperation;
+//# sourceMappingURL=options_operation.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/options_operation.js.map b/node_modules/mongodb/lib/operations/options_operation.js.map
new file mode 100644
index 000000000..9d6b05c00
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/options_operation.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"options_operation.js","sourceRoot":"","sources":["../../src/operations/options_operation.ts"],"names":[],"mappings":";;;AAEA,oCAAyC;AAIzC,2CAAkE;AAElE,gBAAgB;AAChB,MAAa,gBAAiB,SAAQ,6BAA2B;IAI/D,YAAY,UAAsB,EAAE,OAAyB;QAC3D,KAAK,CAAC,OAAO,CAAC,CAAC;QACf,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;IAC/B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;QAE5B,MAAM,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;QAE7B,IAAI,CAAC,CAAC,CAAC,EAAE;aACN,eAAe,CACd,EAAE,IAAI,EAAE,IAAI,CAAC,cAAc,EAAE,EAC7B,EAAE,GAAG,IAAI,CAAC,OAAO,EAAE,QAAQ,EAAE,KAAK,EAAE,cAAc,EAAE,IAAI,CAAC,cAAc,EAAE,OAAO,EAAE,CACnF;aACA,OAAO,CAAC,CAAC,GAAG,EAAE,WAAW,EAAE,EAAE;YAC5B,IAAI,GAAG,IAAI,CAAC,WAAW;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC9C,IAAI,WAAW,CAAC,MAAM,KAAK,CAAC,EAAE;gBAC5B,kBAAkB;gBAClB,OAAO,QAAQ,CAAC,IAAI,qBAAa,CAAC,cAAc,IAAI,CAAC,SAAS,YAAY,CAAC,CAAC,CAAC;aAC9E;YAED,QAAQ,CAAC,GAAG,EAAE,WAAW,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC;QACxC,CAAC,CAAC,CAAC;IACP,CAAC;CACF;AAhCD,4CAgCC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/profiling_level.js b/node_modules/mongodb/lib/operations/profiling_level.js
new file mode 100644
index 000000000..33802dfa2
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/profiling_level.js
@@ -0,0 +1,33 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ProfilingLevelOperation = void 0;
+const error_1 = require("../error");
+const command_1 = require("./command");
+/** @internal */
+class ProfilingLevelOperation extends command_1.CommandOperation {
+    constructor(db, options) {
+        super(db, options);
+        this.options = options;
+    }
+    execute(server, session, callback) {
+        super.executeCommand(server, session, { profile: -1 }, (err, doc) => {
+            if (err == null && doc.ok === 1) {
+                const was = doc.was;
+                if (was === 0)
+                    return callback(undefined, 'off');
+                if (was === 1)
+                    return callback(undefined, 'slow_only');
+                if (was === 2)
+                    return callback(undefined, 'all');
+                // TODO(NODE-3483)
+                return callback(new error_1.MongoRuntimeError(`Illegal profiling level value ${was}`));
+            }
+            else {
+                // TODO(NODE-3483): Consider MongoUnexpectedServerResponseError
+                err != null ? callback(err) : callback(new error_1.MongoRuntimeError('Error with profile command'));
+            }
+        });
+    }
+}
+exports.ProfilingLevelOperation = ProfilingLevelOperation;
+//# sourceMappingURL=profiling_level.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/profiling_level.js.map b/node_modules/mongodb/lib/operations/profiling_level.js.map
new file mode 100644
index 000000000..8630fdc00
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/profiling_level.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"profiling_level.js","sourceRoot":"","sources":["../../src/operations/profiling_level.ts"],"names":[],"mappings":";;;AACA,oCAA6C;AAI7C,uCAAsE;AAKtE,gBAAgB;AAChB,MAAa,uBAAwB,SAAQ,0BAAwB;IAGnE,YAAY,EAAM,EAAE,OAA8B;QAChD,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA0B;QAE1B,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,EAAE,OAAO,EAAE,CAAC,CAAC,EAAE,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;YAClE,IAAI,GAAG,IAAI,IAAI,IAAI,GAAG,CAAC,EAAE,KAAK,CAAC,EAAE;gBAC/B,MAAM,GAAG,GAAG,GAAG,CAAC,GAAG,CAAC;gBACpB,IAAI,GAAG,KAAK,CAAC;oBAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,KAAK,CAAC,CAAC;gBACjD,IAAI,GAAG,KAAK,CAAC;oBAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,WAAW,CAAC,CAAC;gBACvD,IAAI,GAAG,KAAK,CAAC;oBAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,KAAK,CAAC,CAAC;gBACjD,kBAAkB;gBAClB,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,iCAAiC,GAAG,EAAE,CAAC,CAAC,CAAC;aAChF;iBAAM;gBACL,+DAA+D;gBAC/D,GAAG,IAAI,IAAI,CAAC,CAAC,CAAC,QAAQ,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC,IAAI,yBAAiB,CAAC,4BAA4B,CAAC,CAAC,CAAC;aAC7F;QACH,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA3BD,0DA2BC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/remove_user.js b/node_modules/mongodb/lib/operations/remove_user.js
new file mode 100644
index 000000000..daab3ebff
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/remove_user.js
@@ -0,0 +1,21 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.RemoveUserOperation = void 0;
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class RemoveUserOperation extends command_1.CommandOperation {
+    constructor(db, username, options) {
+        super(db, options);
+        this.options = options;
+        this.username = username;
+    }
+    execute(server, session, callback) {
+        super.executeCommand(server, session, { dropUser: this.username }, err => {
+            callback(err, err ? false : true);
+        });
+    }
+}
+exports.RemoveUserOperation = RemoveUserOperation;
+(0, operation_1.defineAspects)(RemoveUserOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=remove_user.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/remove_user.js.map b/node_modules/mongodb/lib/operations/remove_user.js.map
new file mode 100644
index 000000000..d689529ab
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/remove_user.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"remove_user.js","sourceRoot":"","sources":["../../src/operations/remove_user.ts"],"names":[],"mappings":";;;AAIA,uCAAsE;AACtE,2CAAoD;AAKpD,gBAAgB;AAChB,MAAa,mBAAoB,SAAQ,0BAAyB;IAIhE,YAAY,EAAM,EAAE,QAAgB,EAAE,OAA0B;QAC9D,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;IAC3B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA2B;QAE3B,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,EAAE,QAAQ,EAAE,IAAI,CAAC,QAAQ,EAAE,EAAE,GAAG,CAAC,EAAE;YACvE,QAAQ,CAAC,GAAG,EAAE,GAAG,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC;QACpC,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAnBD,kDAmBC;AAED,IAAA,yBAAa,EAAC,mBAAmB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/rename.js b/node_modules/mongodb/lib/operations/rename.js
new file mode 100644
index 000000000..06ec124d2
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/rename.js
@@ -0,0 +1,46 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.RenameOperation = void 0;
+const collection_1 = require("../collection");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const operation_1 = require("./operation");
+const run_command_1 = require("./run_command");
+/** @internal */
+class RenameOperation extends run_command_1.RunAdminCommandOperation {
+    constructor(collection, newName, options) {
+        // Check the collection name
+        (0, utils_1.checkCollectionName)(newName);
+        // Build the command
+        const renameCollection = collection.namespace;
+        const toCollection = collection.s.namespace.withCollection(newName).toString();
+        const dropTarget = typeof options.dropTarget === 'boolean' ? options.dropTarget : false;
+        const cmd = { renameCollection: renameCollection, to: toCollection, dropTarget: dropTarget };
+        super(collection, cmd, options);
+        this.options = options;
+        this.collection = collection;
+        this.newName = newName;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        super.execute(server, session, (err, doc) => {
+            if (err)
+                return callback(err);
+            // We have an error
+            if (doc === null || doc === void 0 ? void 0 : doc.errmsg) {
+                return callback(new error_1.MongoServerError(doc));
+            }
+            let newColl;
+            try {
+                newColl = new collection_1.Collection(coll.s.db, this.newName, coll.s.options);
+            }
+            catch (err) {
+                return callback(err);
+            }
+            return callback(undefined, newColl);
+        });
+    }
+}
+exports.RenameOperation = RenameOperation;
+(0, operation_1.defineAspects)(RenameOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=rename.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/rename.js.map b/node_modules/mongodb/lib/operations/rename.js.map
new file mode 100644
index 000000000..03255d1cd
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/rename.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"rename.js","sourceRoot":"","sources":["../../src/operations/rename.ts"],"names":[],"mappings":";;;AACA,8CAA2C;AAC3C,oCAA4C;AAG5C,oCAAyD;AAEzD,2CAAoD;AACpD,+CAAyD;AAUzD,gBAAgB;AAChB,MAAa,eAAgB,SAAQ,sCAAwB;IAK3D,YAAY,UAAsB,EAAE,OAAe,EAAE,OAAsB;QACzE,4BAA4B;QAC5B,IAAA,2BAAmB,EAAC,OAAO,CAAC,CAAC;QAE7B,oBAAoB;QACpB,MAAM,gBAAgB,GAAG,UAAU,CAAC,SAAS,CAAC;QAC9C,MAAM,YAAY,GAAG,UAAU,CAAC,CAAC,CAAC,SAAS,CAAC,cAAc,CAAC,OAAO,CAAC,CAAC,QAAQ,EAAE,CAAC;QAC/E,MAAM,UAAU,GAAG,OAAO,OAAO,CAAC,UAAU,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,UAAU,CAAC,CAAC,CAAC,KAAK,CAAC;QACxF,MAAM,GAAG,GAAG,EAAE,gBAAgB,EAAE,gBAAgB,EAAE,EAAE,EAAE,YAAY,EAAE,UAAU,EAAE,UAAU,EAAE,CAAC;QAE7F,KAAK,CAAC,UAAU,EAAE,GAAG,EAAE,OAAO,CAAC,CAAC;QAChC,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA8B;QAE9B,MAAM,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;QAE7B,KAAK,CAAC,OAAO,CAAC,MAAM,EAAE,OAAO,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;YAC1C,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC9B,mBAAmB;YACnB,IAAI,GAAG,aAAH,GAAG,uBAAH,GAAG,CAAE,MAAM,EAAE;gBACf,OAAO,QAAQ,CAAC,IAAI,wBAAgB,CAAC,GAAG,CAAC,CAAC,CAAC;aAC5C;YAED,IAAI,OAA6B,CAAC;YAClC,IAAI;gBACF,OAAO,GAAG,IAAI,uBAAU,CAAC,IAAI,CAAC,CAAC,CAAC,EAAE,EAAE,IAAI,CAAC,OAAO,EAAE,IAAI,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC;aACnE;YAAC,OAAO,GAAG,EAAE;gBACZ,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;aACtB;YAED,OAAO,QAAQ,CAAC,SAAS,EAAE,OAAO,CAAC,CAAC;QACtC,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA7CD,0CA6CC;AAED,IAAA,yBAAa,EAAC,eAAe,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/run_command.js b/node_modules/mongodb/lib/operations/run_command.js
new file mode 100644
index 000000000..3ebab39a4
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/run_command.js
@@ -0,0 +1,26 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.RunAdminCommandOperation = exports.RunCommandOperation = void 0;
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+/** @internal */
+class RunCommandOperation extends command_1.CommandOperation {
+    constructor(parent, command, options) {
+        super(parent, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.command = command;
+    }
+    execute(server, session, callback) {
+        const command = this.command;
+        this.executeCommand(server, session, command, callback);
+    }
+}
+exports.RunCommandOperation = RunCommandOperation;
+class RunAdminCommandOperation extends RunCommandOperation {
+    constructor(parent, command, options) {
+        super(parent, command, options);
+        this.ns = new utils_1.MongoDBNamespace('admin');
+    }
+}
+exports.RunAdminCommandOperation = RunAdminCommandOperation;
+//# sourceMappingURL=run_command.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/run_command.js.map b/node_modules/mongodb/lib/operations/run_command.js.map
new file mode 100644
index 000000000..f698f3449
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/run_command.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"run_command.js","sourceRoot":"","sources":["../../src/operations/run_command.ts"],"names":[],"mappings":";;;AAGA,oCAAsD;AACtD,uCAAuF;AAKvF,gBAAgB;AAChB,MAAa,mBAAkC,SAAQ,0BAAmB;IAIxE,YAAY,MAAmC,EAAE,OAAiB,EAAE,OAA2B;QAC7F,KAAK,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC;QACvB,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAC7B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAqB;QAErB,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;QAC7B,IAAI,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC1D,CAAC;CACF;AAlBD,kDAkBC;AAED,MAAa,wBAAuC,SAAQ,mBAAsB;IAChF,YAAY,MAAmC,EAAE,OAAiB,EAAE,OAA2B;QAC7F,KAAK,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,CAAC,CAAC;QAChC,IAAI,CAAC,EAAE,GAAG,IAAI,wBAAgB,CAAC,OAAO,CAAC,CAAC;IAC1C,CAAC;CACF;AALD,4DAKC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/set_profiling_level.js b/node_modules/mongodb/lib/operations/set_profiling_level.js
new file mode 100644
index 000000000..4ff83297d
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/set_profiling_level.js
@@ -0,0 +1,51 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SetProfilingLevelOperation = exports.ProfilingLevel = void 0;
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const levelValues = new Set(['off', 'slow_only', 'all']);
+/** @public */
+exports.ProfilingLevel = Object.freeze({
+    off: 'off',
+    slowOnly: 'slow_only',
+    all: 'all'
+});
+/** @internal */
+class SetProfilingLevelOperation extends command_1.CommandOperation {
+    constructor(db, level, options) {
+        super(db, options);
+        this.options = options;
+        switch (level) {
+            case exports.ProfilingLevel.off:
+                this.profile = 0;
+                break;
+            case exports.ProfilingLevel.slowOnly:
+                this.profile = 1;
+                break;
+            case exports.ProfilingLevel.all:
+                this.profile = 2;
+                break;
+            default:
+                this.profile = 0;
+                break;
+        }
+        this.level = level;
+    }
+    execute(server, session, callback) {
+        const level = this.level;
+        if (!levelValues.has(level)) {
+            return callback(new error_1.MongoInvalidArgumentError(`Profiling level must be one of "${(0, utils_1.enumToString)(exports.ProfilingLevel)}"`));
+        }
+        // TODO(NODE-3483): Determine error to put here
+        super.executeCommand(server, session, { profile: this.profile }, (err, doc) => {
+            if (err == null && doc.ok === 1)
+                return callback(undefined, level);
+            return err != null
+                ? callback(err)
+                : callback(new error_1.MongoRuntimeError('Error with profile command'));
+        });
+    }
+}
+exports.SetProfilingLevelOperation = SetProfilingLevelOperation;
+//# sourceMappingURL=set_profiling_level.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/set_profiling_level.js.map b/node_modules/mongodb/lib/operations/set_profiling_level.js.map
new file mode 100644
index 000000000..4928b6165
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/set_profiling_level.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"set_profiling_level.js","sourceRoot":"","sources":["../../src/operations/set_profiling_level.ts"],"names":[],"mappings":";;;AACA,oCAAwE;AAIxE,oCAAwC;AACxC,uCAAsE;AAEtE,MAAM,WAAW,GAAG,IAAI,GAAG,CAAC,CAAC,KAAK,EAAE,WAAW,EAAE,KAAK,CAAC,CAAC,CAAC;AAEzD,cAAc;AACD,QAAA,cAAc,GAAG,MAAM,CAAC,MAAM,CAAC;IAC1C,GAAG,EAAE,KAAK;IACV,QAAQ,EAAE,WAAW;IACrB,GAAG,EAAE,KAAK;CACF,CAAC,CAAC;AAQZ,gBAAgB;AAChB,MAAa,0BAA2B,SAAQ,0BAAgC;IAK9E,YAAY,EAAM,EAAE,KAAqB,EAAE,OAAiC;QAC1E,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,QAAQ,KAAK,EAAE;YACb,KAAK,sBAAc,CAAC,GAAG;gBACrB,IAAI,CAAC,OAAO,GAAG,CAAC,CAAC;gBACjB,MAAM;YACR,KAAK,sBAAc,CAAC,QAAQ;gBAC1B,IAAI,CAAC,OAAO,GAAG,CAAC,CAAC;gBACjB,MAAM;YACR,KAAK,sBAAc,CAAC,GAAG;gBACrB,IAAI,CAAC,OAAO,GAAG,CAAC,CAAC;gBACjB,MAAM;YACR;gBACE,IAAI,CAAC,OAAO,GAAG,CAAC,CAAC;gBACjB,MAAM;SACT;QAED,IAAI,CAAC,KAAK,GAAG,KAAK,CAAC;IACrB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAkC;QAElC,MAAM,KAAK,GAAG,IAAI,CAAC,KAAK,CAAC;QAEzB,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,KAAK,CAAC,EAAE;YAC3B,OAAO,QAAQ,CACb,IAAI,iCAAyB,CAC3B,mCAAmC,IAAA,oBAAY,EAAC,sBAAc,CAAC,GAAG,CACnE,CACF,CAAC;SACH;QAED,+CAA+C;QAC/C,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,EAAE,OAAO,EAAE,IAAI,CAAC,OAAO,EAAE,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;YAC5E,IAAI,GAAG,IAAI,IAAI,IAAI,GAAG,CAAC,EAAE,KAAK,CAAC;gBAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,KAAK,CAAC,CAAC;YACnE,OAAO,GAAG,IAAI,IAAI;gBAChB,CAAC,CAAC,QAAQ,CAAC,GAAG,CAAC;gBACf,CAAC,CAAC,QAAQ,CAAC,IAAI,yBAAiB,CAAC,4BAA4B,CAAC,CAAC,CAAC;QACpE,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAjDD,gEAiDC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/stats.js b/node_modules/mongodb/lib/operations/stats.js
new file mode 100644
index 000000000..21b736dfc
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/stats.js
@@ -0,0 +1,48 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DbStatsOperation = exports.CollStatsOperation = void 0;
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/**
+ * Get all the collection statistics.
+ * @internal
+ */
+class CollStatsOperation extends command_1.CommandOperation {
+    /**
+     * Construct a Stats operation.
+     *
+     * @param collection - Collection instance
+     * @param options - Optional settings. See Collection.prototype.stats for a list of options.
+     */
+    constructor(collection, options) {
+        super(collection, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.collectionName = collection.collectionName;
+    }
+    execute(server, session, callback) {
+        const command = { collStats: this.collectionName };
+        if (this.options.scale != null) {
+            command.scale = this.options.scale;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.CollStatsOperation = CollStatsOperation;
+/** @internal */
+class DbStatsOperation extends command_1.CommandOperation {
+    constructor(db, options) {
+        super(db, options);
+        this.options = options;
+    }
+    execute(server, session, callback) {
+        const command = { dbStats: true };
+        if (this.options.scale != null) {
+            command.scale = this.options.scale;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.DbStatsOperation = DbStatsOperation;
+(0, operation_1.defineAspects)(CollStatsOperation, [operation_1.Aspect.READ_OPERATION]);
+(0, operation_1.defineAspects)(DbStatsOperation, [operation_1.Aspect.READ_OPERATION]);
+//# sourceMappingURL=stats.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/stats.js.map b/node_modules/mongodb/lib/operations/stats.js.map
new file mode 100644
index 000000000..aca364553
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/stats.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"stats.js","sourceRoot":"","sources":["../../src/operations/stats.ts"],"names":[],"mappings":";;;AAMA,uCAAsE;AACtE,2CAAoD;AAQpD;;;GAGG;AACH,MAAa,kBAAmB,SAAQ,0BAA0B;IAIhE;;;;;OAKG;IACH,YAAY,UAAsB,EAAE,OAA0B;QAC5D,KAAK,CAAC,UAAU,EAAE,OAAO,CAAC,CAAC;QAC3B,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAC7B,IAAI,CAAC,cAAc,GAAG,UAAU,CAAC,cAAc,CAAC;IAClD,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA6B;QAE7B,MAAM,OAAO,GAAa,EAAE,SAAS,EAAE,IAAI,CAAC,cAAc,EAAE,CAAC;QAC7D,IAAI,IAAI,CAAC,OAAO,CAAC,KAAK,IAAI,IAAI,EAAE;YAC9B,OAAO,CAAC,KAAK,GAAG,IAAI,CAAC,OAAO,CAAC,KAAK,CAAC;SACpC;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC3D,CAAC;CACF;AA5BD,gDA4BC;AAQD,gBAAgB;AAChB,MAAa,gBAAiB,SAAQ,0BAA0B;IAG9D,YAAY,EAAM,EAAE,OAAuB;QACzC,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;QAE5B,MAAM,OAAO,GAAa,EAAE,OAAO,EAAE,IAAI,EAAE,CAAC;QAC5C,IAAI,IAAI,CAAC,OAAO,CAAC,KAAK,IAAI,IAAI,EAAE;YAC9B,OAAO,CAAC,KAAK,GAAG,IAAI,CAAC,OAAO,CAAC,KAAK,CAAC;SACpC;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC3D,CAAC;CACF;AApBD,4CAoBC;AAiMD,IAAA,yBAAa,EAAC,kBAAkB,EAAE,CAAC,kBAAM,CAAC,cAAc,CAAC,CAAC,CAAC;AAC3D,IAAA,yBAAa,EAAC,gBAAgB,EAAE,CAAC,kBAAM,CAAC,cAAc,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/update.js b/node_modules/mongodb/lib/operations/update.js
new file mode 100644
index 000000000..03c825ec7
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/update.js
@@ -0,0 +1,200 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.makeUpdateStatement = exports.ReplaceOneOperation = exports.UpdateManyOperation = exports.UpdateOneOperation = exports.UpdateOperation = void 0;
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class UpdateOperation extends command_1.CommandOperation {
+    constructor(ns, statements, options) {
+        super(undefined, options);
+        this.options = options;
+        this.ns = ns;
+        this.statements = statements;
+    }
+    get canRetryWrite() {
+        if (super.canRetryWrite === false) {
+            return false;
+        }
+        return this.statements.every(op => op.multi == null || op.multi === false);
+    }
+    execute(server, session, callback) {
+        var _a;
+        const options = (_a = this.options) !== null && _a !== void 0 ? _a : {};
+        const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+        const command = {
+            update: this.ns.collection,
+            updates: this.statements,
+            ordered
+        };
+        if (typeof options.bypassDocumentValidation === 'boolean') {
+            command.bypassDocumentValidation = options.bypassDocumentValidation;
+        }
+        if (options.let) {
+            command.let = options.let;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (options.comment !== undefined) {
+            command.comment = options.comment;
+        }
+        const statementWithCollation = this.statements.find(statement => !!statement.collation);
+        if ((0, utils_1.collationNotSupported)(server, options) ||
+            (statementWithCollation && (0, utils_1.collationNotSupported)(server, statementWithCollation))) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name} does not support collation`));
+            return;
+        }
+        const unacknowledgedWrite = this.writeConcern && this.writeConcern.w === 0;
+        if (unacknowledgedWrite || (0, utils_1.maxWireVersion)(server) < 5) {
+            if (this.statements.find((o) => o.hint)) {
+                callback(new error_1.MongoCompatibilityError(`Servers < 3.4 do not support hint on update`));
+                return;
+            }
+        }
+        if (this.explain && (0, utils_1.maxWireVersion)(server) < 3) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name} does not support explain on update`));
+            return;
+        }
+        if (this.statements.some(statement => !!statement.arrayFilters) && (0, utils_1.maxWireVersion)(server) < 6) {
+            callback(new error_1.MongoCompatibilityError('Option "arrayFilters" is only supported on MongoDB 3.6+'));
+            return;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.UpdateOperation = UpdateOperation;
+/** @internal */
+class UpdateOneOperation extends UpdateOperation {
+    constructor(collection, filter, update, options) {
+        super(collection.s.namespace, [makeUpdateStatement(filter, update, { ...options, multi: false })], options);
+        if (!(0, utils_1.hasAtomicOperators)(update)) {
+            throw new error_1.MongoInvalidArgumentError('Update document requires atomic operators');
+        }
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, res) => {
+            var _a, _b;
+            if (err || !res)
+                return callback(err);
+            if (this.explain != null)
+                return callback(undefined, res);
+            if (res.code)
+                return callback(new error_1.MongoServerError(res));
+            if (res.writeErrors)
+                return callback(new error_1.MongoServerError(res.writeErrors[0]));
+            callback(undefined, {
+                acknowledged: (_b = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) !== 0) !== null && _b !== void 0 ? _b : true,
+                modifiedCount: res.nModified != null ? res.nModified : res.n,
+                upsertedId: Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+                upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+                matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+            });
+        });
+    }
+}
+exports.UpdateOneOperation = UpdateOneOperation;
+/** @internal */
+class UpdateManyOperation extends UpdateOperation {
+    constructor(collection, filter, update, options) {
+        super(collection.s.namespace, [makeUpdateStatement(filter, update, { ...options, multi: true })], options);
+        if (!(0, utils_1.hasAtomicOperators)(update)) {
+            throw new error_1.MongoInvalidArgumentError('Update document requires atomic operators');
+        }
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, res) => {
+            var _a, _b;
+            if (err || !res)
+                return callback(err);
+            if (this.explain != null)
+                return callback(undefined, res);
+            if (res.code)
+                return callback(new error_1.MongoServerError(res));
+            if (res.writeErrors)
+                return callback(new error_1.MongoServerError(res.writeErrors[0]));
+            callback(undefined, {
+                acknowledged: (_b = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) !== 0) !== null && _b !== void 0 ? _b : true,
+                modifiedCount: res.nModified != null ? res.nModified : res.n,
+                upsertedId: Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+                upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+                matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+            });
+        });
+    }
+}
+exports.UpdateManyOperation = UpdateManyOperation;
+/** @internal */
+class ReplaceOneOperation extends UpdateOperation {
+    constructor(collection, filter, replacement, options) {
+        super(collection.s.namespace, [makeUpdateStatement(filter, replacement, { ...options, multi: false })], options);
+        if ((0, utils_1.hasAtomicOperators)(replacement)) {
+            throw new error_1.MongoInvalidArgumentError('Replacement document must not contain atomic operators');
+        }
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, res) => {
+            var _a, _b;
+            if (err || !res)
+                return callback(err);
+            if (this.explain != null)
+                return callback(undefined, res);
+            if (res.code)
+                return callback(new error_1.MongoServerError(res));
+            if (res.writeErrors)
+                return callback(new error_1.MongoServerError(res.writeErrors[0]));
+            callback(undefined, {
+                acknowledged: (_b = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) !== 0) !== null && _b !== void 0 ? _b : true,
+                modifiedCount: res.nModified != null ? res.nModified : res.n,
+                upsertedId: Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+                upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+                matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+            });
+        });
+    }
+}
+exports.ReplaceOneOperation = ReplaceOneOperation;
+function makeUpdateStatement(filter, update, options) {
+    if (filter == null || typeof filter !== 'object') {
+        throw new error_1.MongoInvalidArgumentError('Selector must be a valid JavaScript object');
+    }
+    if (update == null || typeof update !== 'object') {
+        throw new error_1.MongoInvalidArgumentError('Document must be a valid JavaScript object');
+    }
+    const op = { q: filter, u: update };
+    if (typeof options.upsert === 'boolean') {
+        op.upsert = options.upsert;
+    }
+    if (options.multi) {
+        op.multi = options.multi;
+    }
+    if (options.hint) {
+        op.hint = options.hint;
+    }
+    if (options.arrayFilters) {
+        op.arrayFilters = options.arrayFilters;
+    }
+    if (options.collation) {
+        op.collation = options.collation;
+    }
+    return op;
+}
+exports.makeUpdateStatement = makeUpdateStatement;
+(0, operation_1.defineAspects)(UpdateOperation, [operation_1.Aspect.RETRYABLE, operation_1.Aspect.WRITE_OPERATION, operation_1.Aspect.SKIP_COLLATION]);
+(0, operation_1.defineAspects)(UpdateOneOperation, [
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.WRITE_OPERATION,
+    operation_1.Aspect.EXPLAINABLE,
+    operation_1.Aspect.SKIP_COLLATION
+]);
+(0, operation_1.defineAspects)(UpdateManyOperation, [
+    operation_1.Aspect.WRITE_OPERATION,
+    operation_1.Aspect.EXPLAINABLE,
+    operation_1.Aspect.SKIP_COLLATION
+]);
+(0, operation_1.defineAspects)(ReplaceOneOperation, [
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.WRITE_OPERATION,
+    operation_1.Aspect.SKIP_COLLATION
+]);
+//# sourceMappingURL=update.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/update.js.map b/node_modules/mongodb/lib/operations/update.js.map
new file mode 100644
index 000000000..913879b84
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/update.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/validate_collection.js b/node_modules/mongodb/lib/operations/validate_collection.js
new file mode 100644
index 000000000..1a7c978ec
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/validate_collection.js
@@ -0,0 +1,41 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ValidateCollectionOperation = void 0;
+const error_1 = require("../error");
+const command_1 = require("./command");
+/** @internal */
+class ValidateCollectionOperation extends command_1.CommandOperation {
+    constructor(admin, collectionName, options) {
+        // Decorate command with extra options
+        const command = { validate: collectionName };
+        const keys = Object.keys(options);
+        for (let i = 0; i < keys.length; i++) {
+            if (Object.prototype.hasOwnProperty.call(options, keys[i]) && keys[i] !== 'session') {
+                command[keys[i]] = options[keys[i]];
+            }
+        }
+        super(admin.s.db, options);
+        this.options = options;
+        this.command = command;
+        this.collectionName = collectionName;
+    }
+    execute(server, session, callback) {
+        const collectionName = this.collectionName;
+        super.executeCommand(server, session, this.command, (err, doc) => {
+            if (err != null)
+                return callback(err);
+            // TODO(NODE-3483): Replace these with MongoUnexpectedServerResponseError
+            if (doc.ok === 0)
+                return callback(new error_1.MongoRuntimeError('Error with validate command'));
+            if (doc.result != null && typeof doc.result !== 'string')
+                return callback(new error_1.MongoRuntimeError('Error with validation data'));
+            if (doc.result != null && doc.result.match(/exception|corrupt/) != null)
+                return callback(new error_1.MongoRuntimeError(`Invalid collection ${collectionName}`));
+            if (doc.valid != null && !doc.valid)
+                return callback(new error_1.MongoRuntimeError(`Invalid collection ${collectionName}`));
+            return callback(undefined, doc);
+        });
+    }
+}
+exports.ValidateCollectionOperation = ValidateCollectionOperation;
+//# sourceMappingURL=validate_collection.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/operations/validate_collection.js.map b/node_modules/mongodb/lib/operations/validate_collection.js.map
new file mode 100644
index 000000000..9d72c4185
--- /dev/null
+++ b/node_modules/mongodb/lib/operations/validate_collection.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"validate_collection.js","sourceRoot":"","sources":["../../src/operations/validate_collection.ts"],"names":[],"mappings":";;;AAEA,oCAA6C;AAI7C,uCAAsE;AAQtE,gBAAgB;AAChB,MAAa,2BAA4B,SAAQ,0BAA0B;IAKzE,YAAY,KAAY,EAAE,cAAsB,EAAE,OAAkC;QAClF,sCAAsC;QACtC,MAAM,OAAO,GAAa,EAAE,QAAQ,EAAE,cAAc,EAAE,CAAC;QACvD,MAAM,IAAI,GAAG,MAAM,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;QAClC,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;YACpC,IAAI,MAAM,CAAC,SAAS,CAAC,cAAc,CAAC,IAAI,CAAC,OAAO,EAAE,IAAI,CAAC,CAAC,CAAC,CAAC,IAAI,IAAI,CAAC,CAAC,CAAC,KAAK,SAAS,EAAE;gBACnF,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,GAAI,OAAoB,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC;aACnD;SACF;QAED,KAAK,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QAC3B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,cAAc,GAAG,cAAc,CAAC;IACvC,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;QAE5B,MAAM,cAAc,GAAG,IAAI,CAAC,cAAc,CAAC;QAE3C,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,IAAI,CAAC,OAAO,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;YAC/D,IAAI,GAAG,IAAI,IAAI;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAEtC,yEAAyE;YACzE,IAAI,GAAG,CAAC,EAAE,KAAK,CAAC;gBAAE,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,6BAA6B,CAAC,CAAC,CAAC;YACxF,IAAI,GAAG,CAAC,MAAM,IAAI,IAAI,IAAI,OAAO,GAAG,CAAC,MAAM,KAAK,QAAQ;gBACtD,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,4BAA4B,CAAC,CAAC,CAAC;YACvE,IAAI,GAAG,CAAC,MAAM,IAAI,IAAI,IAAI,GAAG,CAAC,MAAM,CAAC,KAAK,CAAC,mBAAmB,CAAC,IAAI,IAAI;gBACrE,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,sBAAsB,cAAc,EAAE,CAAC,CAAC,CAAC;YACjF,IAAI,GAAG,CAAC,KAAK,IAAI,IAAI,IAAI,CAAC,GAAG,CAAC,KAAK;gBACjC,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,sBAAsB,cAAc,EAAE,CAAC,CAAC,CAAC;YAEjF,OAAO,QAAQ,CAAC,SAAS,EAAE,GAAG,CAAC,CAAC;QAClC,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA3CD,kEA2CC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/promise_provider.js b/node_modules/mongodb/lib/promise_provider.js
new file mode 100644
index 000000000..4c4d28c86
--- /dev/null
+++ b/node_modules/mongodb/lib/promise_provider.js
@@ -0,0 +1,51 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.PromiseProvider = void 0;
+const error_1 = require("./error");
+/** @internal */
+const kPromise = Symbol('promise');
+const store = {
+    [kPromise]: null
+};
+/**
+ * Global promise store allowing user-provided promises
+ * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+ * @public
+ */
+class PromiseProvider {
+    /**
+     * Validates the passed in promise library
+     * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+     */
+    static validate(lib) {
+        if (typeof lib !== 'function')
+            throw new error_1.MongoInvalidArgumentError(`Promise must be a function, got ${lib}`);
+        return !!lib;
+    }
+    /**
+     * Sets the promise library
+     * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+     */
+    static set(lib) {
+        // eslint-disable-next-line no-restricted-syntax
+        if (lib === null) {
+            // Check explicitly against null since `.set()` (no args) should fall through to validate
+            store[kPromise] = null;
+            return;
+        }
+        if (!PromiseProvider.validate(lib)) {
+            // validate
+            return;
+        }
+        store[kPromise] = lib;
+    }
+    /**
+     * Get the stored promise library, or resolves passed in
+     * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+     */
+    static get() {
+        return store[kPromise];
+    }
+}
+exports.PromiseProvider = PromiseProvider;
+//# sourceMappingURL=promise_provider.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/promise_provider.js.map b/node_modules/mongodb/lib/promise_provider.js.map
new file mode 100644
index 000000000..b69273075
--- /dev/null
+++ b/node_modules/mongodb/lib/promise_provider.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"promise_provider.js","sourceRoot":"","sources":["../src/promise_provider.ts"],"names":[],"mappings":";;;AAAA,mCAAoD;AAEpD,gBAAgB;AAChB,MAAM,QAAQ,GAAG,MAAM,CAAC,SAAS,CAAC,CAAC;AAMnC,MAAM,KAAK,GAAiB;IAC1B,CAAC,QAAQ,CAAC,EAAE,IAAI;CACjB,CAAC;AAEF;;;;GAIG;AACH,MAAa,eAAe;IAC1B;;;OAGG;IACH,MAAM,CAAC,QAAQ,CAAC,GAAY;QAC1B,IAAI,OAAO,GAAG,KAAK,UAAU;YAC3B,MAAM,IAAI,iCAAyB,CAAC,mCAAmC,GAAG,EAAE,CAAC,CAAC;QAChF,OAAO,CAAC,CAAC,GAAG,CAAC;IACf,CAAC;IAED;;;OAGG;IACH,MAAM,CAAC,GAAG,CAAC,GAA8B;QACvC,gDAAgD;QAChD,IAAI,GAAG,KAAK,IAAI,EAAE;YAChB,yFAAyF;YACzF,KAAK,CAAC,QAAQ,CAAC,GAAG,IAAI,CAAC;YACvB,OAAO;SACR;QAED,IAAI,CAAC,eAAe,CAAC,QAAQ,CAAC,GAAG,CAAC,EAAE;YAClC,WAAW;YACX,OAAO;SACR;QACD,KAAK,CAAC,QAAQ,CAAC,GAAG,GAAG,CAAC;IACxB,CAAC;IAED;;;OAGG;IACH,MAAM,CAAC,GAAG;QACR,OAAO,KAAK,CAAC,QAAQ,CAAC,CAAC;IACzB,CAAC;CACF;AArCD,0CAqCC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/read_concern.js b/node_modules/mongodb/lib/read_concern.js
new file mode 100644
index 000000000..9b1e067a9
--- /dev/null
+++ b/node_modules/mongodb/lib/read_concern.js
@@ -0,0 +1,74 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ReadConcern = exports.ReadConcernLevel = void 0;
+/** @public */
+exports.ReadConcernLevel = Object.freeze({
+    local: 'local',
+    majority: 'majority',
+    linearizable: 'linearizable',
+    available: 'available',
+    snapshot: 'snapshot'
+});
+/**
+ * The MongoDB ReadConcern, which allows for control of the consistency and isolation properties
+ * of the data read from replica sets and replica set shards.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/reference/read-concern/index.html
+ */
+class ReadConcern {
+    /** Constructs a ReadConcern from the read concern level.*/
+    constructor(level) {
+        var _a;
+        /**
+         * A spec test exists that allows level to be any string.
+         * "invalid readConcern with out stage"
+         * @see ./test/spec/crud/v2/aggregate-out-readConcern.json
+         * @see https://github.com/mongodb/specifications/blob/master/source/read-write-concern/read-write-concern.rst#unknown-levels-and-additional-options-for-string-based-readconcerns
+         */
+        this.level = (_a = exports.ReadConcernLevel[level]) !== null && _a !== void 0 ? _a : level;
+    }
+    /**
+     * Construct a ReadConcern given an options object.
+     *
+     * @param options - The options object from which to extract the write concern.
+     */
+    static fromOptions(options) {
+        if (options == null) {
+            return;
+        }
+        if (options.readConcern) {
+            const { readConcern } = options;
+            if (readConcern instanceof ReadConcern) {
+                return readConcern;
+            }
+            else if (typeof readConcern === 'string') {
+                return new ReadConcern(readConcern);
+            }
+            else if ('level' in readConcern && readConcern.level) {
+                return new ReadConcern(readConcern.level);
+            }
+        }
+        if (options.level) {
+            return new ReadConcern(options.level);
+        }
+        return;
+    }
+    static get MAJORITY() {
+        return exports.ReadConcernLevel.majority;
+    }
+    static get AVAILABLE() {
+        return exports.ReadConcernLevel.available;
+    }
+    static get LINEARIZABLE() {
+        return exports.ReadConcernLevel.linearizable;
+    }
+    static get SNAPSHOT() {
+        return exports.ReadConcernLevel.snapshot;
+    }
+    toJSON() {
+        return { level: this.level };
+    }
+}
+exports.ReadConcern = ReadConcern;
+//# sourceMappingURL=read_concern.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/read_concern.js.map b/node_modules/mongodb/lib/read_concern.js.map
new file mode 100644
index 000000000..3f74a96e6
--- /dev/null
+++ b/node_modules/mongodb/lib/read_concern.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"read_concern.js","sourceRoot":"","sources":["../src/read_concern.ts"],"names":[],"mappings":";;;AAEA,cAAc;AACD,QAAA,gBAAgB,GAAG,MAAM,CAAC,MAAM,CAAC;IAC5C,KAAK,EAAE,OAAO;IACd,QAAQ,EAAE,UAAU;IACpB,YAAY,EAAE,cAAc;IAC5B,SAAS,EAAE,WAAW;IACtB,QAAQ,EAAE,UAAU;CACZ,CAAC,CAAC;AAQZ;;;;;;GAMG;AACH,MAAa,WAAW;IAGtB,2DAA2D;IAC3D,YAAY,KAAuB;;QACjC;;;;;WAKG;QACH,IAAI,CAAC,KAAK,GAAG,MAAA,wBAAgB,CAAC,KAAK,CAAC,mCAAI,KAAK,CAAC;IAChD,CAAC;IAED;;;;OAIG;IACH,MAAM,CAAC,WAAW,CAAC,OAGlB;QACC,IAAI,OAAO,IAAI,IAAI,EAAE;YACnB,OAAO;SACR;QAED,IAAI,OAAO,CAAC,WAAW,EAAE;YACvB,MAAM,EAAE,WAAW,EAAE,GAAG,OAAO,CAAC;YAChC,IAAI,WAAW,YAAY,WAAW,EAAE;gBACtC,OAAO,WAAW,CAAC;aACpB;iBAAM,IAAI,OAAO,WAAW,KAAK,QAAQ,EAAE;gBAC1C,OAAO,IAAI,WAAW,CAAC,WAAW,CAAC,CAAC;aACrC;iBAAM,IAAI,OAAO,IAAI,WAAW,IAAI,WAAW,CAAC,KAAK,EAAE;gBACtD,OAAO,IAAI,WAAW,CAAC,WAAW,CAAC,KAAK,CAAC,CAAC;aAC3C;SACF;QAED,IAAI,OAAO,CAAC,KAAK,EAAE;YACjB,OAAO,IAAI,WAAW,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC;SACvC;QACD,OAAO;IACT,CAAC;IAED,MAAM,KAAK,QAAQ;QACjB,OAAO,wBAAgB,CAAC,QAAQ,CAAC;IACnC,CAAC;IAED,MAAM,KAAK,SAAS;QAClB,OAAO,wBAAgB,CAAC,SAAS,CAAC;IACpC,CAAC;IAED,MAAM,KAAK,YAAY;QACrB,OAAO,wBAAgB,CAAC,YAAY,CAAC;IACvC,CAAC;IAED,MAAM,KAAK,QAAQ;QACjB,OAAO,wBAAgB,CAAC,QAAQ,CAAC;IACnC,CAAC;IAED,MAAM;QACJ,OAAO,EAAE,KAAK,EAAE,IAAI,CAAC,KAAK,EAAE,CAAC;IAC/B,CAAC;CACF;AA/DD,kCA+DC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/read_preference.js b/node_modules/mongodb/lib/read_preference.js
new file mode 100644
index 000000000..6df80eff8
--- /dev/null
+++ b/node_modules/mongodb/lib/read_preference.js
@@ -0,0 +1,204 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ReadPreference = exports.ReadPreferenceMode = void 0;
+const error_1 = require("./error");
+/** @public */
+exports.ReadPreferenceMode = Object.freeze({
+    primary: 'primary',
+    primaryPreferred: 'primaryPreferred',
+    secondary: 'secondary',
+    secondaryPreferred: 'secondaryPreferred',
+    nearest: 'nearest'
+});
+/**
+ * The **ReadPreference** class is a class that represents a MongoDB ReadPreference and is
+ * used to construct connections.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/core/read-preference/
+ */
+class ReadPreference {
+    /**
+     * @param mode - A string describing the read preference mode (primary|primaryPreferred|secondary|secondaryPreferred|nearest)
+     * @param tags - A tag set used to target reads to members with the specified tag(s). tagSet is not available if using read preference mode primary.
+     * @param options - Additional read preference options
+     */
+    constructor(mode, tags, options) {
+        if (!ReadPreference.isValid(mode)) {
+            throw new error_1.MongoInvalidArgumentError(`Invalid read preference mode ${JSON.stringify(mode)}`);
+        }
+        if (options == null && typeof tags === 'object' && !Array.isArray(tags)) {
+            options = tags;
+            tags = undefined;
+        }
+        else if (tags && !Array.isArray(tags)) {
+            throw new error_1.MongoInvalidArgumentError('ReadPreference tags must be an array');
+        }
+        this.mode = mode;
+        this.tags = tags;
+        this.hedge = options === null || options === void 0 ? void 0 : options.hedge;
+        this.maxStalenessSeconds = undefined;
+        this.minWireVersion = undefined;
+        options = options !== null && options !== void 0 ? options : {};
+        if (options.maxStalenessSeconds != null) {
+            if (options.maxStalenessSeconds <= 0) {
+                throw new error_1.MongoInvalidArgumentError('maxStalenessSeconds must be a positive integer');
+            }
+            this.maxStalenessSeconds = options.maxStalenessSeconds;
+            // NOTE: The minimum required wire version is 5 for this read preference. If the existing
+            //       topology has a lower value then a MongoError will be thrown during server selection.
+            this.minWireVersion = 5;
+        }
+        if (this.mode === ReadPreference.PRIMARY) {
+            if (this.tags && Array.isArray(this.tags) && this.tags.length > 0) {
+                throw new error_1.MongoInvalidArgumentError('Primary read preference cannot be combined with tags');
+            }
+            if (this.maxStalenessSeconds) {
+                throw new error_1.MongoInvalidArgumentError('Primary read preference cannot be combined with maxStalenessSeconds');
+            }
+            if (this.hedge) {
+                throw new error_1.MongoInvalidArgumentError('Primary read preference cannot be combined with hedge');
+            }
+        }
+    }
+    // Support the deprecated `preference` property introduced in the porcelain layer
+    get preference() {
+        return this.mode;
+    }
+    static fromString(mode) {
+        return new ReadPreference(mode);
+    }
+    /**
+     * Construct a ReadPreference given an options object.
+     *
+     * @param options - The options object from which to extract the read preference.
+     */
+    static fromOptions(options) {
+        var _a, _b, _c;
+        if (!options)
+            return;
+        const readPreference = (_a = options.readPreference) !== null && _a !== void 0 ? _a : (_b = options.session) === null || _b === void 0 ? void 0 : _b.transaction.options.readPreference;
+        const readPreferenceTags = options.readPreferenceTags;
+        if (readPreference == null) {
+            return;
+        }
+        if (typeof readPreference === 'string') {
+            return new ReadPreference(readPreference, readPreferenceTags, {
+                maxStalenessSeconds: options.maxStalenessSeconds,
+                hedge: options.hedge
+            });
+        }
+        else if (!(readPreference instanceof ReadPreference) && typeof readPreference === 'object') {
+            const mode = readPreference.mode || readPreference.preference;
+            if (mode && typeof mode === 'string') {
+                return new ReadPreference(mode, (_c = readPreference.tags) !== null && _c !== void 0 ? _c : readPreferenceTags, {
+                    maxStalenessSeconds: readPreference.maxStalenessSeconds,
+                    hedge: options.hedge
+                });
+            }
+        }
+        if (readPreferenceTags) {
+            readPreference.tags = readPreferenceTags;
+        }
+        return readPreference;
+    }
+    /**
+     * Replaces options.readPreference with a ReadPreference instance
+     */
+    static translate(options) {
+        if (options.readPreference == null)
+            return options;
+        const r = options.readPreference;
+        if (typeof r === 'string') {
+            options.readPreference = new ReadPreference(r);
+        }
+        else if (r && !(r instanceof ReadPreference) && typeof r === 'object') {
+            const mode = r.mode || r.preference;
+            if (mode && typeof mode === 'string') {
+                options.readPreference = new ReadPreference(mode, r.tags, {
+                    maxStalenessSeconds: r.maxStalenessSeconds
+                });
+            }
+        }
+        else if (!(r instanceof ReadPreference)) {
+            throw new error_1.MongoInvalidArgumentError(`Invalid read preference: ${r}`);
+        }
+        return options;
+    }
+    /**
+     * Validate if a mode is legal
+     *
+     * @param mode - The string representing the read preference mode.
+     */
+    static isValid(mode) {
+        const VALID_MODES = new Set([
+            ReadPreference.PRIMARY,
+            ReadPreference.PRIMARY_PREFERRED,
+            ReadPreference.SECONDARY,
+            ReadPreference.SECONDARY_PREFERRED,
+            ReadPreference.NEAREST,
+            null
+        ]);
+        return VALID_MODES.has(mode);
+    }
+    /**
+     * Validate if a mode is legal
+     *
+     * @param mode - The string representing the read preference mode.
+     */
+    isValid(mode) {
+        return ReadPreference.isValid(typeof mode === 'string' ? mode : this.mode);
+    }
+    /**
+     * Indicates that this readPreference needs the "secondaryOk" bit when sent over the wire
+     * @deprecated Use secondaryOk instead
+     * @see https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query
+     */
+    slaveOk() {
+        return this.secondaryOk();
+    }
+    /**
+     * Indicates that this readPreference needs the "SecondaryOk" bit when sent over the wire
+     * @see https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query
+     */
+    secondaryOk() {
+        const NEEDS_SECONDARYOK = new Set([
+            ReadPreference.PRIMARY_PREFERRED,
+            ReadPreference.SECONDARY,
+            ReadPreference.SECONDARY_PREFERRED,
+            ReadPreference.NEAREST
+        ]);
+        return NEEDS_SECONDARYOK.has(this.mode);
+    }
+    /**
+     * Check if the two ReadPreferences are equivalent
+     *
+     * @param readPreference - The read preference with which to check equality
+     */
+    equals(readPreference) {
+        return readPreference.mode === this.mode;
+    }
+    /** Return JSON representation */
+    toJSON() {
+        const readPreference = { mode: this.mode };
+        if (Array.isArray(this.tags))
+            readPreference.tags = this.tags;
+        if (this.maxStalenessSeconds)
+            readPreference.maxStalenessSeconds = this.maxStalenessSeconds;
+        if (this.hedge)
+            readPreference.hedge = this.hedge;
+        return readPreference;
+    }
+}
+exports.ReadPreference = ReadPreference;
+ReadPreference.PRIMARY = exports.ReadPreferenceMode.primary;
+ReadPreference.PRIMARY_PREFERRED = exports.ReadPreferenceMode.primaryPreferred;
+ReadPreference.SECONDARY = exports.ReadPreferenceMode.secondary;
+ReadPreference.SECONDARY_PREFERRED = exports.ReadPreferenceMode.secondaryPreferred;
+ReadPreference.NEAREST = exports.ReadPreferenceMode.nearest;
+ReadPreference.primary = new ReadPreference(exports.ReadPreferenceMode.primary);
+ReadPreference.primaryPreferred = new ReadPreference(exports.ReadPreferenceMode.primaryPreferred);
+ReadPreference.secondary = new ReadPreference(exports.ReadPreferenceMode.secondary);
+ReadPreference.secondaryPreferred = new ReadPreference(exports.ReadPreferenceMode.secondaryPreferred);
+ReadPreference.nearest = new ReadPreference(exports.ReadPreferenceMode.nearest);
+//# sourceMappingURL=read_preference.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/read_preference.js.map b/node_modules/mongodb/lib/read_preference.js.map
new file mode 100644
index 000000000..120e51ea0
--- /dev/null
+++ b/node_modules/mongodb/lib/read_preference.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/common.js b/node_modules/mongodb/lib/sdam/common.js
new file mode 100644
index 000000000..60b96aa30
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/common.js
@@ -0,0 +1,56 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports._advanceClusterTime = exports.drainTimerQueue = exports.ServerType = exports.TopologyType = exports.STATE_CONNECTED = exports.STATE_CONNECTING = exports.STATE_CLOSED = exports.STATE_CLOSING = void 0;
+const timers_1 = require("timers");
+// shared state names
+exports.STATE_CLOSING = 'closing';
+exports.STATE_CLOSED = 'closed';
+exports.STATE_CONNECTING = 'connecting';
+exports.STATE_CONNECTED = 'connected';
+/**
+ * An enumeration of topology types we know about
+ * @public
+ */
+exports.TopologyType = Object.freeze({
+    Single: 'Single',
+    ReplicaSetNoPrimary: 'ReplicaSetNoPrimary',
+    ReplicaSetWithPrimary: 'ReplicaSetWithPrimary',
+    Sharded: 'Sharded',
+    Unknown: 'Unknown',
+    LoadBalanced: 'LoadBalanced'
+});
+/**
+ * An enumeration of server types we know about
+ * @public
+ */
+exports.ServerType = Object.freeze({
+    Standalone: 'Standalone',
+    Mongos: 'Mongos',
+    PossiblePrimary: 'PossiblePrimary',
+    RSPrimary: 'RSPrimary',
+    RSSecondary: 'RSSecondary',
+    RSArbiter: 'RSArbiter',
+    RSOther: 'RSOther',
+    RSGhost: 'RSGhost',
+    Unknown: 'Unknown',
+    LoadBalancer: 'LoadBalancer'
+});
+/** @internal */
+function drainTimerQueue(queue) {
+    queue.forEach(timers_1.clearTimeout);
+    queue.clear();
+}
+exports.drainTimerQueue = drainTimerQueue;
+/** Shared function to determine clusterTime for a given topology or session */
+function _advanceClusterTime(entity, $clusterTime) {
+    if (entity.clusterTime == null) {
+        entity.clusterTime = $clusterTime;
+    }
+    else {
+        if ($clusterTime.clusterTime.greaterThan(entity.clusterTime.clusterTime)) {
+            entity.clusterTime = $clusterTime;
+        }
+    }
+}
+exports._advanceClusterTime = _advanceClusterTime;
+//# sourceMappingURL=common.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/common.js.map b/node_modules/mongodb/lib/sdam/common.js.map
new file mode 100644
index 000000000..95a76c42d
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/common.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"common.js","sourceRoot":"","sources":["../../src/sdam/common.ts"],"names":[],"mappings":";;;AAAA,mCAAsC;AAMtC,qBAAqB;AACR,QAAA,aAAa,GAAG,SAAS,CAAC;AAC1B,QAAA,YAAY,GAAG,QAAQ,CAAC;AACxB,QAAA,gBAAgB,GAAG,YAAY,CAAC;AAChC,QAAA,eAAe,GAAG,WAAW,CAAC;AAE3C;;;GAGG;AACU,QAAA,YAAY,GAAG,MAAM,CAAC,MAAM,CAAC;IACxC,MAAM,EAAE,QAAQ;IAChB,mBAAmB,EAAE,qBAAqB;IAC1C,qBAAqB,EAAE,uBAAuB;IAC9C,OAAO,EAAE,SAAS;IAClB,OAAO,EAAE,SAAS;IAClB,YAAY,EAAE,cAAc;CACpB,CAAC,CAAC;AAKZ;;;GAGG;AACU,QAAA,UAAU,GAAG,MAAM,CAAC,MAAM,CAAC;IACtC,UAAU,EAAE,YAAY;IACxB,MAAM,EAAE,QAAQ;IAChB,eAAe,EAAE,iBAAiB;IAClC,SAAS,EAAE,WAAW;IACtB,WAAW,EAAE,aAAa;IAC1B,SAAS,EAAE,WAAW;IACtB,OAAO,EAAE,SAAS;IAClB,OAAO,EAAE,SAAS;IAClB,OAAO,EAAE,SAAS;IAClB,YAAY,EAAE,cAAc;CACpB,CAAC,CAAC;AAQZ,gBAAgB;AAChB,SAAgB,eAAe,CAAC,KAAiB;IAC/C,KAAK,CAAC,OAAO,CAAC,qBAAY,CAAC,CAAC;IAC5B,KAAK,CAAC,KAAK,EAAE,CAAC;AAChB,CAAC;AAHD,0CAGC;AAWD,+EAA+E;AAC/E,SAAgB,mBAAmB,CACjC,MAAgC,EAChC,YAAyB;IAEzB,IAAI,MAAM,CAAC,WAAW,IAAI,IAAI,EAAE;QAC9B,MAAM,CAAC,WAAW,GAAG,YAAY,CAAC;KACnC;SAAM;QACL,IAAI,YAAY,CAAC,WAAW,CAAC,WAAW,CAAC,MAAM,CAAC,WAAW,CAAC,WAAW,CAAC,EAAE;YACxE,MAAM,CAAC,WAAW,GAAG,YAAY,CAAC;SACnC;KACF;AACH,CAAC;AAXD,kDAWC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/events.js b/node_modules/mongodb/lib/sdam/events.js
new file mode 100644
index 000000000..9943108b1
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/events.js
@@ -0,0 +1,125 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ServerHeartbeatFailedEvent = exports.ServerHeartbeatSucceededEvent = exports.ServerHeartbeatStartedEvent = exports.TopologyClosedEvent = exports.TopologyOpeningEvent = exports.TopologyDescriptionChangedEvent = exports.ServerClosedEvent = exports.ServerOpeningEvent = exports.ServerDescriptionChangedEvent = void 0;
+/**
+ * Emitted when server description changes, but does NOT include changes to the RTT.
+ * @public
+ * @category Event
+ */
+class ServerDescriptionChangedEvent {
+    /** @internal */
+    constructor(topologyId, address, previousDescription, newDescription) {
+        this.topologyId = topologyId;
+        this.address = address;
+        this.previousDescription = previousDescription;
+        this.newDescription = newDescription;
+    }
+}
+exports.ServerDescriptionChangedEvent = ServerDescriptionChangedEvent;
+/**
+ * Emitted when server is initialized.
+ * @public
+ * @category Event
+ */
+class ServerOpeningEvent {
+    /** @internal */
+    constructor(topologyId, address) {
+        this.topologyId = topologyId;
+        this.address = address;
+    }
+}
+exports.ServerOpeningEvent = ServerOpeningEvent;
+/**
+ * Emitted when server is closed.
+ * @public
+ * @category Event
+ */
+class ServerClosedEvent {
+    /** @internal */
+    constructor(topologyId, address) {
+        this.topologyId = topologyId;
+        this.address = address;
+    }
+}
+exports.ServerClosedEvent = ServerClosedEvent;
+/**
+ * Emitted when topology description changes.
+ * @public
+ * @category Event
+ */
+class TopologyDescriptionChangedEvent {
+    /** @internal */
+    constructor(topologyId, previousDescription, newDescription) {
+        this.topologyId = topologyId;
+        this.previousDescription = previousDescription;
+        this.newDescription = newDescription;
+    }
+}
+exports.TopologyDescriptionChangedEvent = TopologyDescriptionChangedEvent;
+/**
+ * Emitted when topology is initialized.
+ * @public
+ * @category Event
+ */
+class TopologyOpeningEvent {
+    /** @internal */
+    constructor(topologyId) {
+        this.topologyId = topologyId;
+    }
+}
+exports.TopologyOpeningEvent = TopologyOpeningEvent;
+/**
+ * Emitted when topology is closed.
+ * @public
+ * @category Event
+ */
+class TopologyClosedEvent {
+    /** @internal */
+    constructor(topologyId) {
+        this.topologyId = topologyId;
+    }
+}
+exports.TopologyClosedEvent = TopologyClosedEvent;
+/**
+ * Emitted when the server monitor’s hello command is started - immediately before
+ * the hello command is serialized into raw BSON and written to the socket.
+ *
+ * @public
+ * @category Event
+ */
+class ServerHeartbeatStartedEvent {
+    /** @internal */
+    constructor(connectionId) {
+        this.connectionId = connectionId;
+    }
+}
+exports.ServerHeartbeatStartedEvent = ServerHeartbeatStartedEvent;
+/**
+ * Emitted when the server monitor’s hello succeeds.
+ * @public
+ * @category Event
+ */
+class ServerHeartbeatSucceededEvent {
+    /** @internal */
+    constructor(connectionId, duration, reply) {
+        this.connectionId = connectionId;
+        this.duration = duration;
+        this.reply = reply !== null && reply !== void 0 ? reply : {};
+    }
+}
+exports.ServerHeartbeatSucceededEvent = ServerHeartbeatSucceededEvent;
+/**
+ * Emitted when the server monitor’s hello fails, either with an “ok: 0” or a socket exception.
+ * @public
+ * @category Event
+ */
+class ServerHeartbeatFailedEvent {
+    /** @internal */
+    constructor(connectionId, duration, failure) {
+        this.connectionId = connectionId;
+        this.duration = duration;
+        this.failure = failure;
+    }
+}
+exports.ServerHeartbeatFailedEvent = ServerHeartbeatFailedEvent;
+//# sourceMappingURL=events.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/events.js.map b/node_modules/mongodb/lib/sdam/events.js.map
new file mode 100644
index 000000000..734a42575
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/events.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"events.js","sourceRoot":"","sources":["../../src/sdam/events.ts"],"names":[],"mappings":";;;AAIA;;;;GAIG;AACH,MAAa,6BAA6B;IAUxC,gBAAgB;IAChB,YACE,UAAkB,EAClB,OAAe,EACf,mBAAsC,EACtC,cAAiC;QAEjC,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,mBAAmB,GAAG,mBAAmB,CAAC;QAC/C,IAAI,CAAC,cAAc,GAAG,cAAc,CAAC;IACvC,CAAC;CACF;AAtBD,sEAsBC;AAED;;;;GAIG;AACH,MAAa,kBAAkB;IAM7B,gBAAgB;IAChB,YAAY,UAAkB,EAAE,OAAe;QAC7C,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;CACF;AAXD,gDAWC;AAED;;;;GAIG;AACH,MAAa,iBAAiB;IAM5B,gBAAgB;IAChB,YAAY,UAAkB,EAAE,OAAe;QAC7C,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;CACF;AAXD,8CAWC;AAED;;;;GAIG;AACH,MAAa,+BAA+B;IAQ1C,gBAAgB;IAChB,YACE,UAAkB,EAClB,mBAAwC,EACxC,cAAmC;QAEnC,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,mBAAmB,GAAG,mBAAmB,CAAC;QAC/C,IAAI,CAAC,cAAc,GAAG,cAAc,CAAC;IACvC,CAAC;CACF;AAlBD,0EAkBC;AAED;;;;GAIG;AACH,MAAa,oBAAoB;IAI/B,gBAAgB;IAChB,YAAY,UAAkB;QAC5B,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;IAC/B,CAAC;CACF;AARD,oDAQC;AAED;;;;GAIG;AACH,MAAa,mBAAmB;IAI9B,gBAAgB;IAChB,YAAY,UAAkB;QAC5B,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;IAC/B,CAAC;CACF;AARD,kDAQC;AAED;;;;;;GAMG;AACH,MAAa,2BAA2B;IAItC,gBAAgB;IAChB,YAAY,YAAoB;QAC9B,IAAI,CAAC,YAAY,GAAG,YAAY,CAAC;IACnC,CAAC;CACF;AARD,kEAQC;AAED;;;;GAIG;AACH,MAAa,6BAA6B;IAQxC,gBAAgB;IAChB,YAAY,YAAoB,EAAE,QAAgB,EAAE,KAAsB;QACxE,IAAI,CAAC,YAAY,GAAG,YAAY,CAAC;QACjC,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,KAAK,GAAG,KAAK,aAAL,KAAK,cAAL,KAAK,GAAI,EAAE,CAAC;IAC3B,CAAC;CACF;AAdD,sEAcC;AAED;;;;GAIG;AACH,MAAa,0BAA0B;IAQrC,gBAAgB;IAChB,YAAY,YAAoB,EAAE,QAAgB,EAAE,OAAc;QAChE,IAAI,CAAC,YAAY,GAAG,YAAY,CAAC;QACjC,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;CACF;AAdD,gEAcC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/monitor.js b/node_modules/mongodb/lib/sdam/monitor.js
new file mode 100644
index 000000000..9cad2087e
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/monitor.js
@@ -0,0 +1,413 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MonitorInterval = exports.RTTPinger = exports.Monitor = void 0;
+const timers_1 = require("timers");
+const bson_1 = require("../bson");
+const connect_1 = require("../cmap/connect");
+const connection_1 = require("../cmap/connection");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const mongo_types_1 = require("../mongo_types");
+const utils_1 = require("../utils");
+const common_1 = require("./common");
+const events_1 = require("./events");
+const server_1 = require("./server");
+/** @internal */
+const kServer = Symbol('server');
+/** @internal */
+const kMonitorId = Symbol('monitorId');
+/** @internal */
+const kConnection = Symbol('connection');
+/** @internal */
+const kCancellationToken = Symbol('cancellationToken');
+/** @internal */
+const kRTTPinger = Symbol('rttPinger');
+/** @internal */
+const kRoundTripTime = Symbol('roundTripTime');
+const STATE_IDLE = 'idle';
+const STATE_MONITORING = 'monitoring';
+const stateTransition = (0, utils_1.makeStateMachine)({
+    [common_1.STATE_CLOSING]: [common_1.STATE_CLOSING, STATE_IDLE, common_1.STATE_CLOSED],
+    [common_1.STATE_CLOSED]: [common_1.STATE_CLOSED, STATE_MONITORING],
+    [STATE_IDLE]: [STATE_IDLE, STATE_MONITORING, common_1.STATE_CLOSING],
+    [STATE_MONITORING]: [STATE_MONITORING, STATE_IDLE, common_1.STATE_CLOSING]
+});
+const INVALID_REQUEST_CHECK_STATES = new Set([common_1.STATE_CLOSING, common_1.STATE_CLOSED, STATE_MONITORING]);
+function isInCloseState(monitor) {
+    return monitor.s.state === common_1.STATE_CLOSED || monitor.s.state === common_1.STATE_CLOSING;
+}
+/** @internal */
+class Monitor extends mongo_types_1.TypedEventEmitter {
+    constructor(server, options) {
+        var _a, _b, _c;
+        super();
+        this[kServer] = server;
+        this[kConnection] = undefined;
+        this[kCancellationToken] = new mongo_types_1.CancellationToken();
+        this[kCancellationToken].setMaxListeners(Infinity);
+        this[kMonitorId] = undefined;
+        this.s = {
+            state: common_1.STATE_CLOSED
+        };
+        this.address = server.description.address;
+        this.options = Object.freeze({
+            connectTimeoutMS: (_a = options.connectTimeoutMS) !== null && _a !== void 0 ? _a : 10000,
+            heartbeatFrequencyMS: (_b = options.heartbeatFrequencyMS) !== null && _b !== void 0 ? _b : 10000,
+            minHeartbeatFrequencyMS: (_c = options.minHeartbeatFrequencyMS) !== null && _c !== void 0 ? _c : 500
+        });
+        const cancellationToken = this[kCancellationToken];
+        // TODO: refactor this to pull it directly from the pool, requires new ConnectionPool integration
+        const connectOptions = Object.assign({
+            id: '<monitor>',
+            generation: server.s.pool.generation,
+            connectionType: connection_1.Connection,
+            cancellationToken,
+            hostAddress: server.description.hostAddress
+        }, options, 
+        // force BSON serialization options
+        {
+            raw: false,
+            promoteLongs: true,
+            promoteValues: true,
+            promoteBuffers: true
+        });
+        // ensure no authentication is used for monitoring
+        delete connectOptions.credentials;
+        if (connectOptions.autoEncrypter) {
+            delete connectOptions.autoEncrypter;
+        }
+        this.connectOptions = Object.freeze(connectOptions);
+    }
+    get connection() {
+        return this[kConnection];
+    }
+    connect() {
+        if (this.s.state !== common_1.STATE_CLOSED) {
+            return;
+        }
+        // start
+        const heartbeatFrequencyMS = this.options.heartbeatFrequencyMS;
+        const minHeartbeatFrequencyMS = this.options.minHeartbeatFrequencyMS;
+        this[kMonitorId] = new MonitorInterval(monitorServer(this), {
+            heartbeatFrequencyMS: heartbeatFrequencyMS,
+            minHeartbeatFrequencyMS: minHeartbeatFrequencyMS,
+            immediate: true
+        });
+    }
+    requestCheck() {
+        var _a;
+        if (INVALID_REQUEST_CHECK_STATES.has(this.s.state)) {
+            return;
+        }
+        (_a = this[kMonitorId]) === null || _a === void 0 ? void 0 : _a.wake();
+    }
+    reset() {
+        const topologyVersion = this[kServer].description.topologyVersion;
+        if (isInCloseState(this) || topologyVersion == null) {
+            return;
+        }
+        stateTransition(this, common_1.STATE_CLOSING);
+        resetMonitorState(this);
+        // restart monitor
+        stateTransition(this, STATE_IDLE);
+        // restart monitoring
+        const heartbeatFrequencyMS = this.options.heartbeatFrequencyMS;
+        const minHeartbeatFrequencyMS = this.options.minHeartbeatFrequencyMS;
+        this[kMonitorId] = new MonitorInterval(monitorServer(this), {
+            heartbeatFrequencyMS: heartbeatFrequencyMS,
+            minHeartbeatFrequencyMS: minHeartbeatFrequencyMS
+        });
+    }
+    close() {
+        if (isInCloseState(this)) {
+            return;
+        }
+        stateTransition(this, common_1.STATE_CLOSING);
+        resetMonitorState(this);
+        // close monitor
+        this.emit('close');
+        stateTransition(this, common_1.STATE_CLOSED);
+    }
+}
+exports.Monitor = Monitor;
+function resetMonitorState(monitor) {
+    var _a, _b, _c;
+    (_a = monitor[kMonitorId]) === null || _a === void 0 ? void 0 : _a.stop();
+    monitor[kMonitorId] = undefined;
+    (_b = monitor[kRTTPinger]) === null || _b === void 0 ? void 0 : _b.close();
+    monitor[kRTTPinger] = undefined;
+    monitor[kCancellationToken].emit('cancel');
+    (_c = monitor[kConnection]) === null || _c === void 0 ? void 0 : _c.destroy({ force: true });
+    monitor[kConnection] = undefined;
+}
+function checkServer(monitor, callback) {
+    let start = (0, utils_1.now)();
+    monitor.emit(server_1.Server.SERVER_HEARTBEAT_STARTED, new events_1.ServerHeartbeatStartedEvent(monitor.address));
+    function failureHandler(err) {
+        var _a;
+        (_a = monitor[kConnection]) === null || _a === void 0 ? void 0 : _a.destroy({ force: true });
+        monitor[kConnection] = undefined;
+        monitor.emit(server_1.Server.SERVER_HEARTBEAT_FAILED, new events_1.ServerHeartbeatFailedEvent(monitor.address, (0, utils_1.calculateDurationInMs)(start), err));
+        const error = !(err instanceof error_1.MongoError) ? new error_1.MongoError(err) : err;
+        error.addErrorLabel(error_1.MongoErrorLabel.ResetPool);
+        monitor.emit('resetServer', error);
+        callback(err);
+    }
+    const connection = monitor[kConnection];
+    if (connection && !connection.closed) {
+        const { serverApi, helloOk } = connection;
+        const connectTimeoutMS = monitor.options.connectTimeoutMS;
+        const maxAwaitTimeMS = monitor.options.heartbeatFrequencyMS;
+        const topologyVersion = monitor[kServer].description.topologyVersion;
+        const isAwaitable = topologyVersion != null;
+        const cmd = {
+            [(serverApi === null || serverApi === void 0 ? void 0 : serverApi.version) || helloOk ? 'hello' : constants_1.LEGACY_HELLO_COMMAND]: true,
+            ...(isAwaitable && topologyVersion
+                ? { maxAwaitTimeMS, topologyVersion: makeTopologyVersion(topologyVersion) }
+                : {})
+        };
+        const options = isAwaitable
+            ? {
+                socketTimeoutMS: connectTimeoutMS ? connectTimeoutMS + maxAwaitTimeMS : 0,
+                exhaustAllowed: true
+            }
+            : { socketTimeoutMS: connectTimeoutMS };
+        if (isAwaitable && monitor[kRTTPinger] == null) {
+            monitor[kRTTPinger] = new RTTPinger(monitor[kCancellationToken], Object.assign({ heartbeatFrequencyMS: monitor.options.heartbeatFrequencyMS }, monitor.connectOptions));
+        }
+        connection.command((0, utils_1.ns)('admin.$cmd'), cmd, options, (err, hello) => {
+            var _a;
+            if (err) {
+                return failureHandler(err);
+            }
+            if (!('isWritablePrimary' in hello)) {
+                // Provide hello-style response document.
+                hello.isWritablePrimary = hello[constants_1.LEGACY_HELLO_COMMAND];
+            }
+            const rttPinger = monitor[kRTTPinger];
+            const duration = isAwaitable && rttPinger ? rttPinger.roundTripTime : (0, utils_1.calculateDurationInMs)(start);
+            monitor.emit(server_1.Server.SERVER_HEARTBEAT_SUCCEEDED, new events_1.ServerHeartbeatSucceededEvent(monitor.address, duration, hello));
+            // if we are using the streaming protocol then we immediately issue another `started`
+            // event, otherwise the "check" is complete and return to the main monitor loop
+            if (isAwaitable && hello.topologyVersion) {
+                monitor.emit(server_1.Server.SERVER_HEARTBEAT_STARTED, new events_1.ServerHeartbeatStartedEvent(monitor.address));
+                start = (0, utils_1.now)();
+            }
+            else {
+                (_a = monitor[kRTTPinger]) === null || _a === void 0 ? void 0 : _a.close();
+                monitor[kRTTPinger] = undefined;
+                callback(undefined, hello);
+            }
+        });
+        return;
+    }
+    // connecting does an implicit `hello`
+    (0, connect_1.connect)(monitor.connectOptions, (err, conn) => {
+        if (err) {
+            monitor[kConnection] = undefined;
+            failureHandler(err);
+            return;
+        }
+        if (conn) {
+            // Tell the connection that we are using the streaming protocol so that the
+            // connection's message stream will only read the last hello on the buffer.
+            conn.isMonitoringConnection = true;
+            if (isInCloseState(monitor)) {
+                conn.destroy({ force: true });
+                return;
+            }
+            monitor[kConnection] = conn;
+            monitor.emit(server_1.Server.SERVER_HEARTBEAT_SUCCEEDED, new events_1.ServerHeartbeatSucceededEvent(monitor.address, (0, utils_1.calculateDurationInMs)(start), conn.hello));
+            callback(undefined, conn.hello);
+        }
+    });
+}
+function monitorServer(monitor) {
+    return (callback) => {
+        stateTransition(monitor, STATE_MONITORING);
+        function done() {
+            if (!isInCloseState(monitor)) {
+                stateTransition(monitor, STATE_IDLE);
+            }
+            callback();
+        }
+        checkServer(monitor, (err, hello) => {
+            if (err) {
+                // otherwise an error occurred on initial discovery, also bail
+                if (monitor[kServer].description.type === common_1.ServerType.Unknown) {
+                    return done();
+                }
+            }
+            // if the check indicates streaming is supported, immediately reschedule monitoring
+            if (hello && hello.topologyVersion) {
+                (0, timers_1.setTimeout)(() => {
+                    var _a;
+                    if (!isInCloseState(monitor)) {
+                        (_a = monitor[kMonitorId]) === null || _a === void 0 ? void 0 : _a.wake();
+                    }
+                }, 0);
+            }
+            done();
+        });
+    };
+}
+function makeTopologyVersion(tv) {
+    return {
+        processId: tv.processId,
+        // tests mock counter as just number, but in a real situation counter should always be a Long
+        // TODO(NODE-2674): Preserve int64 sent from MongoDB
+        counter: bson_1.Long.isLong(tv.counter) ? tv.counter : bson_1.Long.fromNumber(tv.counter)
+    };
+}
+/** @internal */
+class RTTPinger {
+    constructor(cancellationToken, options) {
+        this[kConnection] = undefined;
+        this[kCancellationToken] = cancellationToken;
+        this[kRoundTripTime] = 0;
+        this.closed = false;
+        const heartbeatFrequencyMS = options.heartbeatFrequencyMS;
+        this[kMonitorId] = (0, timers_1.setTimeout)(() => measureRoundTripTime(this, options), heartbeatFrequencyMS);
+    }
+    get roundTripTime() {
+        return this[kRoundTripTime];
+    }
+    close() {
+        var _a;
+        this.closed = true;
+        (0, timers_1.clearTimeout)(this[kMonitorId]);
+        (_a = this[kConnection]) === null || _a === void 0 ? void 0 : _a.destroy({ force: true });
+        this[kConnection] = undefined;
+    }
+}
+exports.RTTPinger = RTTPinger;
+function measureRoundTripTime(rttPinger, options) {
+    const start = (0, utils_1.now)();
+    options.cancellationToken = rttPinger[kCancellationToken];
+    const heartbeatFrequencyMS = options.heartbeatFrequencyMS;
+    if (rttPinger.closed) {
+        return;
+    }
+    function measureAndReschedule(conn) {
+        if (rttPinger.closed) {
+            conn === null || conn === void 0 ? void 0 : conn.destroy({ force: true });
+            return;
+        }
+        if (rttPinger[kConnection] == null) {
+            rttPinger[kConnection] = conn;
+        }
+        rttPinger[kRoundTripTime] = (0, utils_1.calculateDurationInMs)(start);
+        rttPinger[kMonitorId] = (0, timers_1.setTimeout)(() => measureRoundTripTime(rttPinger, options), heartbeatFrequencyMS);
+    }
+    const connection = rttPinger[kConnection];
+    if (connection == null) {
+        (0, connect_1.connect)(options, (err, conn) => {
+            if (err) {
+                rttPinger[kConnection] = undefined;
+                rttPinger[kRoundTripTime] = 0;
+                return;
+            }
+            measureAndReschedule(conn);
+        });
+        return;
+    }
+    connection.command((0, utils_1.ns)('admin.$cmd'), { [constants_1.LEGACY_HELLO_COMMAND]: 1 }, undefined, err => {
+        if (err) {
+            rttPinger[kConnection] = undefined;
+            rttPinger[kRoundTripTime] = 0;
+            return;
+        }
+        measureAndReschedule();
+    });
+}
+/**
+ * @internal
+ */
+class MonitorInterval {
+    constructor(fn, options = {}) {
+        var _a, _b;
+        this.isExpeditedCheckScheduled = false;
+        this.stopped = false;
+        this._executeAndReschedule = () => {
+            this.isExpeditedCheckScheduled = false;
+            this.lastCallTime = this.clock();
+            this.fn(err => {
+                if (err)
+                    throw err;
+                this._reschedule(this.heartbeatFrequencyMS);
+            });
+        };
+        this.fn = fn;
+        this.lastCallTime = 0;
+        this.heartbeatFrequencyMS = (_a = options.heartbeatFrequencyMS) !== null && _a !== void 0 ? _a : 1000;
+        this.minHeartbeatFrequencyMS = (_b = options.minHeartbeatFrequencyMS) !== null && _b !== void 0 ? _b : 500;
+        this.clock = typeof options.clock === 'function' ? options.clock : utils_1.now;
+        if (options.immediate) {
+            this._executeAndReschedule();
+        }
+        else {
+            this.lastCallTime = this.clock();
+            this._reschedule(undefined);
+        }
+    }
+    wake() {
+        const currentTime = this.clock();
+        const nextScheduledCallTime = this.lastCallTime + this.heartbeatFrequencyMS;
+        const timeUntilNextCall = nextScheduledCallTime - currentTime;
+        // For the streaming protocol: there is nothing obviously stopping this
+        // interval from being woken up again while we are waiting "infinitely"
+        // for `fn` to be called again`. Since the function effectively
+        // never completes, the `timeUntilNextCall` will continue to grow
+        // negatively unbounded, so it will never trigger a reschedule here.
+        // This is possible in virtualized environments like AWS Lambda where our
+        // clock is unreliable. In these cases the timer is "running" but never
+        // actually completes, so we want to execute immediately and then attempt
+        // to reschedule.
+        if (timeUntilNextCall < 0) {
+            this._executeAndReschedule();
+            return;
+        }
+        // debounce multiple calls to wake within the `minInterval`
+        if (this.isExpeditedCheckScheduled) {
+            return;
+        }
+        // reschedule a call as soon as possible, ensuring the call never happens
+        // faster than the `minInterval`
+        if (timeUntilNextCall > this.minHeartbeatFrequencyMS) {
+            this._reschedule(this.minHeartbeatFrequencyMS);
+            this.isExpeditedCheckScheduled = true;
+        }
+    }
+    stop() {
+        this.stopped = true;
+        if (this.timerId) {
+            (0, timers_1.clearTimeout)(this.timerId);
+            this.timerId = undefined;
+        }
+        this.lastCallTime = 0;
+        this.isExpeditedCheckScheduled = false;
+    }
+    toString() {
+        return JSON.stringify(this);
+    }
+    toJSON() {
+        return {
+            timerId: this.timerId != null ? 'set' : 'cleared',
+            lastCallTime: this.lastCallTime,
+            isExpeditedCheckScheduled: this.isExpeditedCheckScheduled,
+            stopped: this.stopped,
+            heartbeatFrequencyMS: this.heartbeatFrequencyMS,
+            minHeartbeatFrequencyMS: this.minHeartbeatFrequencyMS
+        };
+    }
+    _reschedule(ms) {
+        if (this.stopped)
+            return;
+        if (this.timerId) {
+            (0, timers_1.clearTimeout)(this.timerId);
+        }
+        this.timerId = (0, timers_1.setTimeout)(this._executeAndReschedule, ms || this.heartbeatFrequencyMS);
+    }
+}
+exports.MonitorInterval = MonitorInterval;
+//# sourceMappingURL=monitor.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/monitor.js.map b/node_modules/mongodb/lib/sdam/monitor.js.map
new file mode 100644
index 000000000..b252e6b35
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/monitor.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/server.js b/node_modules/mongodb/lib/sdam/server.js
new file mode 100644
index 000000000..e8e953f7a
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/server.js
@@ -0,0 +1,355 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Server = void 0;
+const connection_1 = require("../cmap/connection");
+const connection_pool_1 = require("../cmap/connection_pool");
+const errors_1 = require("../cmap/errors");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const logger_1 = require("../logger");
+const mongo_types_1 = require("../mongo_types");
+const transactions_1 = require("../transactions");
+const utils_1 = require("../utils");
+const common_1 = require("./common");
+const monitor_1 = require("./monitor");
+const server_description_1 = require("./server_description");
+const stateTransition = (0, utils_1.makeStateMachine)({
+    [common_1.STATE_CLOSED]: [common_1.STATE_CLOSED, common_1.STATE_CONNECTING],
+    [common_1.STATE_CONNECTING]: [common_1.STATE_CONNECTING, common_1.STATE_CLOSING, common_1.STATE_CONNECTED, common_1.STATE_CLOSED],
+    [common_1.STATE_CONNECTED]: [common_1.STATE_CONNECTED, common_1.STATE_CLOSING, common_1.STATE_CLOSED],
+    [common_1.STATE_CLOSING]: [common_1.STATE_CLOSING, common_1.STATE_CLOSED]
+});
+/** @internal */
+const kMonitor = Symbol('monitor');
+/** @internal */
+class Server extends mongo_types_1.TypedEventEmitter {
+    /**
+     * Create a server
+     */
+    constructor(topology, description, options) {
+        super();
+        this.serverApi = options.serverApi;
+        const poolOptions = { hostAddress: description.hostAddress, ...options };
+        this.s = {
+            description,
+            options,
+            logger: new logger_1.Logger('Server'),
+            state: common_1.STATE_CLOSED,
+            topology,
+            pool: new connection_pool_1.ConnectionPool(poolOptions),
+            operationCount: 0
+        };
+        for (const event of [...constants_1.CMAP_EVENTS, ...constants_1.APM_EVENTS]) {
+            this.s.pool.on(event, (e) => this.emit(event, e));
+        }
+        this.s.pool.on(connection_1.Connection.CLUSTER_TIME_RECEIVED, (clusterTime) => {
+            this.clusterTime = clusterTime;
+        });
+        if (this.loadBalanced) {
+            this[kMonitor] = null;
+            // monitoring is disabled in load balancing mode
+            return;
+        }
+        // create the monitor
+        // TODO(NODE-4144): Remove new variable for type narrowing
+        const monitor = new monitor_1.Monitor(this, this.s.options);
+        this[kMonitor] = monitor;
+        for (const event of constants_1.HEARTBEAT_EVENTS) {
+            monitor.on(event, (e) => this.emit(event, e));
+        }
+        monitor.on('resetServer', (error) => markServerUnknown(this, error));
+        monitor.on(Server.SERVER_HEARTBEAT_SUCCEEDED, (event) => {
+            this.emit(Server.DESCRIPTION_RECEIVED, new server_description_1.ServerDescription(this.description.hostAddress, event.reply, {
+                roundTripTime: calculateRoundTripTime(this.description.roundTripTime, event.duration)
+            }));
+            if (this.s.state === common_1.STATE_CONNECTING) {
+                stateTransition(this, common_1.STATE_CONNECTED);
+                this.emit(Server.CONNECT, this);
+            }
+        });
+    }
+    get clusterTime() {
+        return this.s.topology.clusterTime;
+    }
+    set clusterTime(clusterTime) {
+        this.s.topology.clusterTime = clusterTime;
+    }
+    get description() {
+        return this.s.description;
+    }
+    get name() {
+        return this.s.description.address;
+    }
+    get autoEncrypter() {
+        if (this.s.options && this.s.options.autoEncrypter) {
+            return this.s.options.autoEncrypter;
+        }
+        return;
+    }
+    get loadBalanced() {
+        return this.s.topology.description.type === common_1.TopologyType.LoadBalanced;
+    }
+    /**
+     * Initiate server connect
+     */
+    connect() {
+        var _a;
+        if (this.s.state !== common_1.STATE_CLOSED) {
+            return;
+        }
+        stateTransition(this, common_1.STATE_CONNECTING);
+        // If in load balancer mode we automatically set the server to
+        // a load balancer. It never transitions out of this state and
+        // has no monitor.
+        if (!this.loadBalanced) {
+            (_a = this[kMonitor]) === null || _a === void 0 ? void 0 : _a.connect();
+        }
+        else {
+            stateTransition(this, common_1.STATE_CONNECTED);
+            this.emit(Server.CONNECT, this);
+        }
+    }
+    /** Destroy the server connection */
+    destroy(options, callback) {
+        var _a;
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = Object.assign({}, { force: false }, options);
+        if (this.s.state === common_1.STATE_CLOSED) {
+            if (typeof callback === 'function') {
+                callback();
+            }
+            return;
+        }
+        stateTransition(this, common_1.STATE_CLOSING);
+        if (!this.loadBalanced) {
+            (_a = this[kMonitor]) === null || _a === void 0 ? void 0 : _a.close();
+        }
+        this.s.pool.close(options, err => {
+            stateTransition(this, common_1.STATE_CLOSED);
+            this.emit('closed');
+            if (typeof callback === 'function') {
+                callback(err);
+            }
+        });
+    }
+    /**
+     * Immediately schedule monitoring of this server. If there already an attempt being made
+     * this will be a no-op.
+     */
+    requestCheck() {
+        var _a;
+        if (!this.loadBalanced) {
+            (_a = this[kMonitor]) === null || _a === void 0 ? void 0 : _a.requestCheck();
+        }
+    }
+    /**
+     * Execute a command
+     * @internal
+     */
+    command(ns, cmd, options, callback) {
+        if (callback == null) {
+            throw new error_1.MongoInvalidArgumentError('Callback must be provided');
+        }
+        if (ns.db == null || typeof ns === 'string') {
+            throw new error_1.MongoInvalidArgumentError('Namespace must not be a string');
+        }
+        if (this.s.state === common_1.STATE_CLOSING || this.s.state === common_1.STATE_CLOSED) {
+            callback(new error_1.MongoServerClosedError());
+            return;
+        }
+        // Clone the options
+        const finalOptions = Object.assign({}, options, { wireProtocolCommand: false });
+        // There are cases where we need to flag the read preference not to get sent in
+        // the command, such as pre-5.0 servers attempting to perform an aggregate write
+        // with a non-primary read preference. In this case the effective read preference
+        // (primary) is not the same as the provided and must be removed completely.
+        if (finalOptions.omitReadPreference) {
+            delete finalOptions.readPreference;
+        }
+        // error if collation not supported
+        if ((0, utils_1.collationNotSupported)(this, cmd)) {
+            callback(new error_1.MongoCompatibilityError(`Server ${this.name} does not support collation`));
+            return;
+        }
+        const session = finalOptions.session;
+        const conn = session === null || session === void 0 ? void 0 : session.pinnedConnection;
+        // NOTE: This is a hack! We can't retrieve the connections used for executing an operation
+        //       (and prevent them from being checked back in) at the point of operation execution.
+        //       This should be considered as part of the work for NODE-2882
+        // NOTE:
+        //       When incrementing operation count, it's important that we increment it before we
+        //       attempt to check out a connection from the pool.  This ensures that operations that
+        //       are waiting for a connection are included in the operation count.  Load balanced
+        //       mode will only ever have a single server, so the operation count doesn't matter.
+        //       Incrementing the operation count above the logic to handle load balanced mode would
+        //       require special logic to decrement it again, or would double increment (the load
+        //       balanced code makes a recursive call).  Instead, we increment the count after this
+        //       check.
+        if (this.loadBalanced && session && conn == null && isPinnableCommand(cmd, session)) {
+            this.s.pool.checkOut((err, checkedOut) => {
+                if (err || checkedOut == null) {
+                    if (callback)
+                        return callback(err);
+                    return;
+                }
+                session.pin(checkedOut);
+                this.command(ns, cmd, finalOptions, callback);
+            });
+            return;
+        }
+        this.s.operationCount += 1;
+        this.s.pool.withConnection(conn, (err, conn, cb) => {
+            if (err || !conn) {
+                this.s.operationCount -= 1;
+                if (!(err instanceof errors_1.PoolClearedError)) {
+                    markServerUnknown(this, err);
+                }
+                else {
+                    err.addErrorLabel(error_1.MongoErrorLabel.RetryableWriteError);
+                }
+                return cb(err);
+            }
+            conn.command(ns, cmd, finalOptions, makeOperationHandler(this, conn, cmd, finalOptions, (error, response) => {
+                this.s.operationCount -= 1;
+                cb(error, response);
+            }));
+        }, callback);
+    }
+}
+exports.Server = Server;
+/** @event */
+Server.SERVER_HEARTBEAT_STARTED = constants_1.SERVER_HEARTBEAT_STARTED;
+/** @event */
+Server.SERVER_HEARTBEAT_SUCCEEDED = constants_1.SERVER_HEARTBEAT_SUCCEEDED;
+/** @event */
+Server.SERVER_HEARTBEAT_FAILED = constants_1.SERVER_HEARTBEAT_FAILED;
+/** @event */
+Server.CONNECT = constants_1.CONNECT;
+/** @event */
+Server.DESCRIPTION_RECEIVED = constants_1.DESCRIPTION_RECEIVED;
+/** @event */
+Server.CLOSED = constants_1.CLOSED;
+/** @event */
+Server.ENDED = constants_1.ENDED;
+function calculateRoundTripTime(oldRtt, duration) {
+    if (oldRtt === -1) {
+        return duration;
+    }
+    const alpha = 0.2;
+    return alpha * duration + (1 - alpha) * oldRtt;
+}
+function markServerUnknown(server, error) {
+    var _a;
+    // Load balancer servers can never be marked unknown.
+    if (server.loadBalanced) {
+        return;
+    }
+    if (error instanceof error_1.MongoNetworkError && !(error instanceof error_1.MongoNetworkTimeoutError)) {
+        (_a = server[kMonitor]) === null || _a === void 0 ? void 0 : _a.reset();
+    }
+    server.emit(Server.DESCRIPTION_RECEIVED, new server_description_1.ServerDescription(server.description.hostAddress, undefined, { error }));
+}
+function isPinnableCommand(cmd, session) {
+    if (session) {
+        return (session.inTransaction() ||
+            'aggregate' in cmd ||
+            'find' in cmd ||
+            'getMore' in cmd ||
+            'listCollections' in cmd ||
+            'listIndexes' in cmd);
+    }
+    return false;
+}
+function connectionIsStale(pool, connection) {
+    if (connection.serviceId) {
+        return (connection.generation !== pool.serviceGenerations.get(connection.serviceId.toHexString()));
+    }
+    return connection.generation !== pool.generation;
+}
+function shouldHandleStateChangeError(server, err) {
+    const etv = err.topologyVersion;
+    const stv = server.description.topologyVersion;
+    return (0, server_description_1.compareTopologyVersion)(stv, etv) < 0;
+}
+function inActiveTransaction(session, cmd) {
+    return session && session.inTransaction() && !(0, transactions_1.isTransactionCommand)(cmd);
+}
+/** this checks the retryWrites option passed down from the client options, it
+ * does not check if the server supports retryable writes */
+function isRetryableWritesEnabled(topology) {
+    return topology.s.options.retryWrites !== false;
+}
+function makeOperationHandler(server, connection, cmd, options, callback) {
+    const session = options === null || options === void 0 ? void 0 : options.session;
+    return function handleOperationResult(error, result) {
+        if (result != null) {
+            return callback(undefined, result);
+        }
+        if (!error) {
+            return callback(new error_1.MongoUnexpectedServerResponseError('Empty response with no error'));
+        }
+        if (!(error instanceof error_1.MongoError)) {
+            // Node.js or some other error we have not special handling for
+            return callback(error);
+        }
+        if (connectionIsStale(server.s.pool, connection)) {
+            return callback(error);
+        }
+        if (error instanceof error_1.MongoNetworkError) {
+            if (session && !session.hasEnded && session.serverSession) {
+                session.serverSession.isDirty = true;
+            }
+            // inActiveTransaction check handles commit and abort.
+            if (inActiveTransaction(session, cmd) &&
+                !error.hasErrorLabel(error_1.MongoErrorLabel.TransientTransactionError)) {
+                error.addErrorLabel(error_1.MongoErrorLabel.TransientTransactionError);
+            }
+            if ((isRetryableWritesEnabled(server.s.topology) || (0, transactions_1.isTransactionCommand)(cmd)) &&
+                (0, utils_1.supportsRetryableWrites)(server) &&
+                !inActiveTransaction(session, cmd)) {
+                error.addErrorLabel(error_1.MongoErrorLabel.RetryableWriteError);
+            }
+            if (!(error instanceof error_1.MongoNetworkTimeoutError) || (0, error_1.isNetworkErrorBeforeHandshake)(error)) {
+                // In load balanced mode we never mark the server as unknown and always
+                // clear for the specific service id.
+                if (!server.loadBalanced) {
+                    error.addErrorLabel(error_1.MongoErrorLabel.ResetPool);
+                    markServerUnknown(server, error);
+                }
+                else {
+                    server.s.pool.clear(connection.serviceId);
+                }
+            }
+        }
+        else {
+            if ((isRetryableWritesEnabled(server.s.topology) || (0, transactions_1.isTransactionCommand)(cmd)) &&
+                (0, error_1.needsRetryableWriteLabel)(error, (0, utils_1.maxWireVersion)(server)) &&
+                !inActiveTransaction(session, cmd)) {
+                error.addErrorLabel(error_1.MongoErrorLabel.RetryableWriteError);
+            }
+            if ((0, error_1.isSDAMUnrecoverableError)(error)) {
+                if (shouldHandleStateChangeError(server, error)) {
+                    const shouldClearPool = (0, utils_1.maxWireVersion)(server) <= 7 || (0, error_1.isNodeShuttingDownError)(error);
+                    if (server.loadBalanced && shouldClearPool) {
+                        server.s.pool.clear(connection.serviceId);
+                    }
+                    if (!server.loadBalanced) {
+                        if (shouldClearPool) {
+                            error.addErrorLabel(error_1.MongoErrorLabel.ResetPool);
+                        }
+                        markServerUnknown(server, error);
+                        process.nextTick(() => server.requestCheck());
+                    }
+                }
+            }
+        }
+        if (session &&
+            session.isPinned &&
+            error.hasErrorLabel(error_1.MongoErrorLabel.TransientTransactionError)) {
+            session.unpin({ force: true });
+        }
+        return callback(error);
+    };
+}
+//# sourceMappingURL=server.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/server.js.map b/node_modules/mongodb/lib/sdam/server.js.map
new file mode 100644
index 000000000..2c6a7d6c1
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/server.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/server_description.js b/node_modules/mongodb/lib/sdam/server_description.js
new file mode 100644
index 000000000..2815dbbfd
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/server_description.js
@@ -0,0 +1,190 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.compareTopologyVersion = exports.parseServerType = exports.ServerDescription = void 0;
+const bson_1 = require("../bson");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const common_1 = require("./common");
+const WRITABLE_SERVER_TYPES = new Set([
+    common_1.ServerType.RSPrimary,
+    common_1.ServerType.Standalone,
+    common_1.ServerType.Mongos,
+    common_1.ServerType.LoadBalancer
+]);
+const DATA_BEARING_SERVER_TYPES = new Set([
+    common_1.ServerType.RSPrimary,
+    common_1.ServerType.RSSecondary,
+    common_1.ServerType.Mongos,
+    common_1.ServerType.Standalone,
+    common_1.ServerType.LoadBalancer
+]);
+/**
+ * The client's view of a single server, based on the most recent hello outcome.
+ *
+ * Internal type, not meant to be directly instantiated
+ * @public
+ */
+class ServerDescription {
+    /**
+     * Create a ServerDescription
+     * @internal
+     *
+     * @param address - The address of the server
+     * @param hello - An optional hello response for this server
+     */
+    constructor(address, hello, options = {}) {
+        var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m, _o, _p, _q, _r, _s, _t, _u, _v, _w, _x, _y, _z;
+        if (address == null || address === '') {
+            throw new error_1.MongoRuntimeError('ServerDescription must be provided with a non-empty address');
+        }
+        this.address =
+            typeof address === 'string'
+                ? utils_1.HostAddress.fromString(address).toString() // Use HostAddress to normalize
+                : address.toString();
+        this.type = parseServerType(hello, options);
+        this.hosts = (_b = (_a = hello === null || hello === void 0 ? void 0 : hello.hosts) === null || _a === void 0 ? void 0 : _a.map((host) => host.toLowerCase())) !== null && _b !== void 0 ? _b : [];
+        this.passives = (_d = (_c = hello === null || hello === void 0 ? void 0 : hello.passives) === null || _c === void 0 ? void 0 : _c.map((host) => host.toLowerCase())) !== null && _d !== void 0 ? _d : [];
+        this.arbiters = (_f = (_e = hello === null || hello === void 0 ? void 0 : hello.arbiters) === null || _e === void 0 ? void 0 : _e.map((host) => host.toLowerCase())) !== null && _f !== void 0 ? _f : [];
+        this.tags = (_g = hello === null || hello === void 0 ? void 0 : hello.tags) !== null && _g !== void 0 ? _g : {};
+        this.minWireVersion = (_h = hello === null || hello === void 0 ? void 0 : hello.minWireVersion) !== null && _h !== void 0 ? _h : 0;
+        this.maxWireVersion = (_j = hello === null || hello === void 0 ? void 0 : hello.maxWireVersion) !== null && _j !== void 0 ? _j : 0;
+        this.roundTripTime = (_k = options === null || options === void 0 ? void 0 : options.roundTripTime) !== null && _k !== void 0 ? _k : -1;
+        this.lastUpdateTime = (0, utils_1.now)();
+        this.lastWriteDate = (_m = (_l = hello === null || hello === void 0 ? void 0 : hello.lastWrite) === null || _l === void 0 ? void 0 : _l.lastWriteDate) !== null && _m !== void 0 ? _m : 0;
+        this.error = (_o = options.error) !== null && _o !== void 0 ? _o : null;
+        // TODO(NODE-2674): Preserve int64 sent from MongoDB
+        this.topologyVersion = (_r = (_q = (_p = this.error) === null || _p === void 0 ? void 0 : _p.topologyVersion) !== null && _q !== void 0 ? _q : hello === null || hello === void 0 ? void 0 : hello.topologyVersion) !== null && _r !== void 0 ? _r : null;
+        this.setName = (_s = hello === null || hello === void 0 ? void 0 : hello.setName) !== null && _s !== void 0 ? _s : null;
+        this.setVersion = (_t = hello === null || hello === void 0 ? void 0 : hello.setVersion) !== null && _t !== void 0 ? _t : null;
+        this.electionId = (_u = hello === null || hello === void 0 ? void 0 : hello.electionId) !== null && _u !== void 0 ? _u : null;
+        this.logicalSessionTimeoutMinutes = (_v = hello === null || hello === void 0 ? void 0 : hello.logicalSessionTimeoutMinutes) !== null && _v !== void 0 ? _v : null;
+        this.primary = (_w = hello === null || hello === void 0 ? void 0 : hello.primary) !== null && _w !== void 0 ? _w : null;
+        this.me = (_y = (_x = hello === null || hello === void 0 ? void 0 : hello.me) === null || _x === void 0 ? void 0 : _x.toLowerCase()) !== null && _y !== void 0 ? _y : null;
+        this.$clusterTime = (_z = hello === null || hello === void 0 ? void 0 : hello.$clusterTime) !== null && _z !== void 0 ? _z : null;
+    }
+    get hostAddress() {
+        return utils_1.HostAddress.fromString(this.address);
+    }
+    get allHosts() {
+        return this.hosts.concat(this.arbiters).concat(this.passives);
+    }
+    /** Is this server available for reads*/
+    get isReadable() {
+        return this.type === common_1.ServerType.RSSecondary || this.isWritable;
+    }
+    /** Is this server data bearing */
+    get isDataBearing() {
+        return DATA_BEARING_SERVER_TYPES.has(this.type);
+    }
+    /** Is this server available for writes */
+    get isWritable() {
+        return WRITABLE_SERVER_TYPES.has(this.type);
+    }
+    get host() {
+        const chopLength = `:${this.port}`.length;
+        return this.address.slice(0, -chopLength);
+    }
+    get port() {
+        const port = this.address.split(':').pop();
+        return port ? Number.parseInt(port, 10) : 27017;
+    }
+    /**
+     * Determines if another `ServerDescription` is equal to this one per the rules defined
+     * in the {@link https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#serverdescription|SDAM spec}
+     */
+    equals(other) {
+        // Despite using the comparator that would determine a nullish topologyVersion as greater than
+        // for equality we should only always perform direct equality comparison
+        const topologyVersionsEqual = this.topologyVersion === (other === null || other === void 0 ? void 0 : other.topologyVersion) ||
+            compareTopologyVersion(this.topologyVersion, other === null || other === void 0 ? void 0 : other.topologyVersion) === 0;
+        const electionIdsEqual = this.electionId != null && (other === null || other === void 0 ? void 0 : other.electionId) != null
+            ? (0, utils_1.compareObjectId)(this.electionId, other.electionId) === 0
+            : this.electionId === (other === null || other === void 0 ? void 0 : other.electionId);
+        return (other != null &&
+            (0, utils_1.errorStrictEqual)(this.error, other.error) &&
+            this.type === other.type &&
+            this.minWireVersion === other.minWireVersion &&
+            (0, utils_1.arrayStrictEqual)(this.hosts, other.hosts) &&
+            tagsStrictEqual(this.tags, other.tags) &&
+            this.setName === other.setName &&
+            this.setVersion === other.setVersion &&
+            electionIdsEqual &&
+            this.primary === other.primary &&
+            this.logicalSessionTimeoutMinutes === other.logicalSessionTimeoutMinutes &&
+            topologyVersionsEqual);
+    }
+}
+exports.ServerDescription = ServerDescription;
+// Parses a `hello` message and determines the server type
+function parseServerType(hello, options) {
+    if (options === null || options === void 0 ? void 0 : options.loadBalanced) {
+        return common_1.ServerType.LoadBalancer;
+    }
+    if (!hello || !hello.ok) {
+        return common_1.ServerType.Unknown;
+    }
+    if (hello.isreplicaset) {
+        return common_1.ServerType.RSGhost;
+    }
+    if (hello.msg && hello.msg === 'isdbgrid') {
+        return common_1.ServerType.Mongos;
+    }
+    if (hello.setName) {
+        if (hello.hidden) {
+            return common_1.ServerType.RSOther;
+        }
+        else if (hello.isWritablePrimary) {
+            return common_1.ServerType.RSPrimary;
+        }
+        else if (hello.secondary) {
+            return common_1.ServerType.RSSecondary;
+        }
+        else if (hello.arbiterOnly) {
+            return common_1.ServerType.RSArbiter;
+        }
+        else {
+            return common_1.ServerType.RSOther;
+        }
+    }
+    return common_1.ServerType.Standalone;
+}
+exports.parseServerType = parseServerType;
+function tagsStrictEqual(tags, tags2) {
+    const tagsKeys = Object.keys(tags);
+    const tags2Keys = Object.keys(tags2);
+    return (tagsKeys.length === tags2Keys.length &&
+        tagsKeys.every((key) => tags2[key] === tags[key]));
+}
+/**
+ * Compares two topology versions.
+ *
+ * 1. If the response topologyVersion is unset or the ServerDescription's
+ *    topologyVersion is null, the client MUST assume the response is more recent.
+ * 1. If the response's topologyVersion.processId is not equal to the
+ *    ServerDescription's, the client MUST assume the response is more recent.
+ * 1. If the response's topologyVersion.processId is equal to the
+ *    ServerDescription's, the client MUST use the counter field to determine
+ *    which topologyVersion is more recent.
+ *
+ * ```ts
+ * currentTv <   newTv === -1
+ * currentTv === newTv === 0
+ * currentTv >   newTv === 1
+ * ```
+ */
+function compareTopologyVersion(currentTv, newTv) {
+    if (currentTv == null || newTv == null) {
+        return -1;
+    }
+    if (!currentTv.processId.equals(newTv.processId)) {
+        return -1;
+    }
+    // TODO(NODE-2674): Preserve int64 sent from MongoDB
+    const currentCounter = bson_1.Long.isLong(currentTv.counter)
+        ? currentTv.counter
+        : bson_1.Long.fromNumber(currentTv.counter);
+    const newCounter = bson_1.Long.isLong(newTv.counter) ? newTv.counter : bson_1.Long.fromNumber(newTv.counter);
+    return currentCounter.compare(newCounter);
+}
+exports.compareTopologyVersion = compareTopologyVersion;
+//# sourceMappingURL=server_description.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/server_description.js.map b/node_modules/mongodb/lib/sdam/server_description.js.map
new file mode 100644
index 000000000..2974522c1
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/server_description.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/server_selection.js b/node_modules/mongodb/lib/sdam/server_selection.js
new file mode 100644
index 000000000..1d3c878ec
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/server_selection.js
@@ -0,0 +1,228 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.readPreferenceServerSelector = exports.secondaryWritableServerSelector = exports.sameServerSelector = exports.writableServerSelector = exports.MIN_SECONDARY_WRITE_WIRE_VERSION = void 0;
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const common_1 = require("./common");
+// max staleness constants
+const IDLE_WRITE_PERIOD = 10000;
+const SMALLEST_MAX_STALENESS_SECONDS = 90;
+//  Minimum version to try writes on secondaries.
+exports.MIN_SECONDARY_WRITE_WIRE_VERSION = 13;
+/**
+ * Returns a server selector that selects for writable servers
+ */
+function writableServerSelector() {
+    return (topologyDescription, servers) => latencyWindowReducer(topologyDescription, servers.filter((s) => s.isWritable));
+}
+exports.writableServerSelector = writableServerSelector;
+/**
+ * The purpose of this selector is to select the same server, only
+ * if it is in a state that it can have commands sent to it.
+ */
+function sameServerSelector(description) {
+    return (topologyDescription, servers) => {
+        if (!description)
+            return [];
+        // Filter the servers to match the provided description only if
+        // the type is not unknown.
+        return servers.filter(sd => {
+            return sd.address === description.address && sd.type !== common_1.ServerType.Unknown;
+        });
+    };
+}
+exports.sameServerSelector = sameServerSelector;
+/**
+ * Returns a server selector that uses a read preference to select a
+ * server potentially for a write on a secondary.
+ */
+function secondaryWritableServerSelector(wireVersion, readPreference) {
+    // If server version < 5.0, read preference always primary.
+    // If server version >= 5.0...
+    // - If read preference is supplied, use that.
+    // - If no read preference is supplied, use primary.
+    if (!readPreference ||
+        !wireVersion ||
+        (wireVersion && wireVersion < exports.MIN_SECONDARY_WRITE_WIRE_VERSION)) {
+        return readPreferenceServerSelector(read_preference_1.ReadPreference.primary);
+    }
+    return readPreferenceServerSelector(readPreference);
+}
+exports.secondaryWritableServerSelector = secondaryWritableServerSelector;
+/**
+ * Reduces the passed in array of servers by the rules of the "Max Staleness" specification
+ * found here: https://github.com/mongodb/specifications/blob/master/source/max-staleness/max-staleness.rst
+ *
+ * @param readPreference - The read preference providing max staleness guidance
+ * @param topologyDescription - The topology description
+ * @param servers - The list of server descriptions to be reduced
+ * @returns The list of servers that satisfy the requirements of max staleness
+ */
+function maxStalenessReducer(readPreference, topologyDescription, servers) {
+    if (readPreference.maxStalenessSeconds == null || readPreference.maxStalenessSeconds < 0) {
+        return servers;
+    }
+    const maxStaleness = readPreference.maxStalenessSeconds;
+    const maxStalenessVariance = (topologyDescription.heartbeatFrequencyMS + IDLE_WRITE_PERIOD) / 1000;
+    if (maxStaleness < maxStalenessVariance) {
+        throw new error_1.MongoInvalidArgumentError(`Option "maxStalenessSeconds" must be at least ${maxStalenessVariance} seconds`);
+    }
+    if (maxStaleness < SMALLEST_MAX_STALENESS_SECONDS) {
+        throw new error_1.MongoInvalidArgumentError(`Option "maxStalenessSeconds" must be at least ${SMALLEST_MAX_STALENESS_SECONDS} seconds`);
+    }
+    if (topologyDescription.type === common_1.TopologyType.ReplicaSetWithPrimary) {
+        const primary = Array.from(topologyDescription.servers.values()).filter(primaryFilter)[0];
+        return servers.reduce((result, server) => {
+            var _a;
+            const stalenessMS = server.lastUpdateTime -
+                server.lastWriteDate -
+                (primary.lastUpdateTime - primary.lastWriteDate) +
+                topologyDescription.heartbeatFrequencyMS;
+            const staleness = stalenessMS / 1000;
+            const maxStalenessSeconds = (_a = readPreference.maxStalenessSeconds) !== null && _a !== void 0 ? _a : 0;
+            if (staleness <= maxStalenessSeconds) {
+                result.push(server);
+            }
+            return result;
+        }, []);
+    }
+    if (topologyDescription.type === common_1.TopologyType.ReplicaSetNoPrimary) {
+        if (servers.length === 0) {
+            return servers;
+        }
+        const sMax = servers.reduce((max, s) => s.lastWriteDate > max.lastWriteDate ? s : max);
+        return servers.reduce((result, server) => {
+            var _a;
+            const stalenessMS = sMax.lastWriteDate - server.lastWriteDate + topologyDescription.heartbeatFrequencyMS;
+            const staleness = stalenessMS / 1000;
+            const maxStalenessSeconds = (_a = readPreference.maxStalenessSeconds) !== null && _a !== void 0 ? _a : 0;
+            if (staleness <= maxStalenessSeconds) {
+                result.push(server);
+            }
+            return result;
+        }, []);
+    }
+    return servers;
+}
+/**
+ * Determines whether a server's tags match a given set of tags
+ *
+ * @param tagSet - The requested tag set to match
+ * @param serverTags - The server's tags
+ */
+function tagSetMatch(tagSet, serverTags) {
+    const keys = Object.keys(tagSet);
+    const serverTagKeys = Object.keys(serverTags);
+    for (let i = 0; i < keys.length; ++i) {
+        const key = keys[i];
+        if (serverTagKeys.indexOf(key) === -1 || serverTags[key] !== tagSet[key]) {
+            return false;
+        }
+    }
+    return true;
+}
+/**
+ * Reduces a set of server descriptions based on tags requested by the read preference
+ *
+ * @param readPreference - The read preference providing the requested tags
+ * @param servers - The list of server descriptions to reduce
+ * @returns The list of servers matching the requested tags
+ */
+function tagSetReducer(readPreference, servers) {
+    if (readPreference.tags == null ||
+        (Array.isArray(readPreference.tags) && readPreference.tags.length === 0)) {
+        return servers;
+    }
+    for (let i = 0; i < readPreference.tags.length; ++i) {
+        const tagSet = readPreference.tags[i];
+        const serversMatchingTagset = servers.reduce((matched, server) => {
+            if (tagSetMatch(tagSet, server.tags))
+                matched.push(server);
+            return matched;
+        }, []);
+        if (serversMatchingTagset.length) {
+            return serversMatchingTagset;
+        }
+    }
+    return [];
+}
+/**
+ * Reduces a list of servers to ensure they fall within an acceptable latency window. This is
+ * further specified in the "Server Selection" specification, found here:
+ * https://github.com/mongodb/specifications/blob/master/source/server-selection/server-selection.rst
+ *
+ * @param topologyDescription - The topology description
+ * @param servers - The list of servers to reduce
+ * @returns The servers which fall within an acceptable latency window
+ */
+function latencyWindowReducer(topologyDescription, servers) {
+    const low = servers.reduce((min, server) => min === -1 ? server.roundTripTime : Math.min(server.roundTripTime, min), -1);
+    const high = low + topologyDescription.localThresholdMS;
+    return servers.reduce((result, server) => {
+        if (server.roundTripTime <= high && server.roundTripTime >= low)
+            result.push(server);
+        return result;
+    }, []);
+}
+// filters
+function primaryFilter(server) {
+    return server.type === common_1.ServerType.RSPrimary;
+}
+function secondaryFilter(server) {
+    return server.type === common_1.ServerType.RSSecondary;
+}
+function nearestFilter(server) {
+    return server.type === common_1.ServerType.RSSecondary || server.type === common_1.ServerType.RSPrimary;
+}
+function knownFilter(server) {
+    return server.type !== common_1.ServerType.Unknown;
+}
+function loadBalancerFilter(server) {
+    return server.type === common_1.ServerType.LoadBalancer;
+}
+/**
+ * Returns a function which selects servers based on a provided read preference
+ *
+ * @param readPreference - The read preference to select with
+ */
+function readPreferenceServerSelector(readPreference) {
+    if (!readPreference.isValid()) {
+        throw new error_1.MongoInvalidArgumentError('Invalid read preference specified');
+    }
+    return (topologyDescription, servers) => {
+        const commonWireVersion = topologyDescription.commonWireVersion;
+        if (commonWireVersion &&
+            readPreference.minWireVersion &&
+            readPreference.minWireVersion > commonWireVersion) {
+            throw new error_1.MongoCompatibilityError(`Minimum wire version '${readPreference.minWireVersion}' required, but found '${commonWireVersion}'`);
+        }
+        if (topologyDescription.type === common_1.TopologyType.LoadBalanced) {
+            return servers.filter(loadBalancerFilter);
+        }
+        if (topologyDescription.type === common_1.TopologyType.Unknown) {
+            return [];
+        }
+        if (topologyDescription.type === common_1.TopologyType.Single ||
+            topologyDescription.type === common_1.TopologyType.Sharded) {
+            return latencyWindowReducer(topologyDescription, servers.filter(knownFilter));
+        }
+        const mode = readPreference.mode;
+        if (mode === read_preference_1.ReadPreference.PRIMARY) {
+            return servers.filter(primaryFilter);
+        }
+        if (mode === read_preference_1.ReadPreference.PRIMARY_PREFERRED) {
+            const result = servers.filter(primaryFilter);
+            if (result.length) {
+                return result;
+            }
+        }
+        const filter = mode === read_preference_1.ReadPreference.NEAREST ? nearestFilter : secondaryFilter;
+        const selectedServers = latencyWindowReducer(topologyDescription, tagSetReducer(readPreference, maxStalenessReducer(readPreference, topologyDescription, servers.filter(filter))));
+        if (mode === read_preference_1.ReadPreference.SECONDARY_PREFERRED && selectedServers.length === 0) {
+            return servers.filter(primaryFilter);
+        }
+        return selectedServers;
+    };
+}
+exports.readPreferenceServerSelector = readPreferenceServerSelector;
+//# sourceMappingURL=server_selection.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/server_selection.js.map b/node_modules/mongodb/lib/sdam/server_selection.js.map
new file mode 100644
index 000000000..f8a94927b
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/server_selection.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/srv_polling.js b/node_modules/mongodb/lib/sdam/srv_polling.js
new file mode 100644
index 000000000..341557339
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/srv_polling.js
@@ -0,0 +1,122 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SrvPoller = exports.SrvPollingEvent = void 0;
+const dns = require("dns");
+const timers_1 = require("timers");
+const error_1 = require("../error");
+const logger_1 = require("../logger");
+const mongo_types_1 = require("../mongo_types");
+const utils_1 = require("../utils");
+/**
+ * Determines whether a provided address matches the provided parent domain in order
+ * to avoid certain attack vectors.
+ *
+ * @param srvAddress - The address to check against a domain
+ * @param parentDomain - The domain to check the provided address against
+ * @returns Whether the provided address matches the parent domain
+ */
+function matchesParentDomain(srvAddress, parentDomain) {
+    const regex = /^.*?\./;
+    const srv = `.${srvAddress.replace(regex, '')}`;
+    const parent = `.${parentDomain.replace(regex, '')}`;
+    return srv.endsWith(parent);
+}
+/**
+ * @internal
+ * @category Event
+ */
+class SrvPollingEvent {
+    constructor(srvRecords) {
+        this.srvRecords = srvRecords;
+    }
+    hostnames() {
+        return new Set(this.srvRecords.map(r => utils_1.HostAddress.fromSrvRecord(r).toString()));
+    }
+}
+exports.SrvPollingEvent = SrvPollingEvent;
+/** @internal */
+class SrvPoller extends mongo_types_1.TypedEventEmitter {
+    constructor(options) {
+        var _a, _b, _c;
+        super();
+        if (!options || !options.srvHost) {
+            throw new error_1.MongoRuntimeError('Options for SrvPoller must exist and include srvHost');
+        }
+        this.srvHost = options.srvHost;
+        this.srvMaxHosts = (_a = options.srvMaxHosts) !== null && _a !== void 0 ? _a : 0;
+        this.srvServiceName = (_b = options.srvServiceName) !== null && _b !== void 0 ? _b : 'mongodb';
+        this.rescanSrvIntervalMS = 60000;
+        this.heartbeatFrequencyMS = (_c = options.heartbeatFrequencyMS) !== null && _c !== void 0 ? _c : 10000;
+        this.logger = new logger_1.Logger('srvPoller', options);
+        this.haMode = false;
+        this.generation = 0;
+        this._timeout = undefined;
+    }
+    get srvAddress() {
+        return `_${this.srvServiceName}._tcp.${this.srvHost}`;
+    }
+    get intervalMS() {
+        return this.haMode ? this.heartbeatFrequencyMS : this.rescanSrvIntervalMS;
+    }
+    start() {
+        if (!this._timeout) {
+            this.schedule();
+        }
+    }
+    stop() {
+        if (this._timeout) {
+            (0, timers_1.clearTimeout)(this._timeout);
+            this.generation += 1;
+            this._timeout = undefined;
+        }
+    }
+    schedule() {
+        if (this._timeout) {
+            (0, timers_1.clearTimeout)(this._timeout);
+        }
+        this._timeout = (0, timers_1.setTimeout)(() => this._poll(), this.intervalMS);
+    }
+    success(srvRecords) {
+        this.haMode = false;
+        this.schedule();
+        this.emit(SrvPoller.SRV_RECORD_DISCOVERY, new SrvPollingEvent(srvRecords));
+    }
+    failure(message, obj) {
+        this.logger.warn(message, obj);
+        this.haMode = true;
+        this.schedule();
+    }
+    parentDomainMismatch(srvRecord) {
+        this.logger.warn(`parent domain mismatch on SRV record (${srvRecord.name}:${srvRecord.port})`, srvRecord);
+    }
+    _poll() {
+        const generation = this.generation;
+        dns.resolveSrv(this.srvAddress, (err, srvRecords) => {
+            if (generation !== this.generation) {
+                return;
+            }
+            if (err) {
+                this.failure('DNS error', err);
+                return;
+            }
+            const finalAddresses = [];
+            for (const record of srvRecords) {
+                if (matchesParentDomain(record.name, this.srvHost)) {
+                    finalAddresses.push(record);
+                }
+                else {
+                    this.parentDomainMismatch(record);
+                }
+            }
+            if (!finalAddresses.length) {
+                this.failure('No valid addresses found at host');
+                return;
+            }
+            this.success(finalAddresses);
+        });
+    }
+}
+exports.SrvPoller = SrvPoller;
+/** @event */
+SrvPoller.SRV_RECORD_DISCOVERY = 'srvRecordDiscovery';
+//# sourceMappingURL=srv_polling.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/srv_polling.js.map b/node_modules/mongodb/lib/sdam/srv_polling.js.map
new file mode 100644
index 000000000..a8d970953
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/srv_polling.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/topology.js b/node_modules/mongodb/lib/sdam/topology.js
new file mode 100644
index 000000000..634bb6adc
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/topology.js
@@ -0,0 +1,655 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ServerCapabilities = exports.Topology = void 0;
+const Denque = require("denque");
+const timers_1 = require("timers");
+const util_1 = require("util");
+const bson_1 = require("../bson");
+const connection_string_1 = require("../connection_string");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const mongo_types_1 = require("../mongo_types");
+const read_preference_1 = require("../read_preference");
+const utils_1 = require("../utils");
+const common_1 = require("./common");
+const events_1 = require("./events");
+const server_1 = require("./server");
+const server_description_1 = require("./server_description");
+const server_selection_1 = require("./server_selection");
+const srv_polling_1 = require("./srv_polling");
+const topology_description_1 = require("./topology_description");
+// Global state
+let globalTopologyCounter = 0;
+const stateTransition = (0, utils_1.makeStateMachine)({
+    [common_1.STATE_CLOSED]: [common_1.STATE_CLOSED, common_1.STATE_CONNECTING],
+    [common_1.STATE_CONNECTING]: [common_1.STATE_CONNECTING, common_1.STATE_CLOSING, common_1.STATE_CONNECTED, common_1.STATE_CLOSED],
+    [common_1.STATE_CONNECTED]: [common_1.STATE_CONNECTED, common_1.STATE_CLOSING, common_1.STATE_CLOSED],
+    [common_1.STATE_CLOSING]: [common_1.STATE_CLOSING, common_1.STATE_CLOSED]
+});
+/** @internal */
+const kCancelled = Symbol('cancelled');
+/** @internal */
+const kWaitQueue = Symbol('waitQueue');
+/**
+ * A container of server instances representing a connection to a MongoDB topology.
+ * @internal
+ */
+class Topology extends mongo_types_1.TypedEventEmitter {
+    /**
+     * @param seedlist - a list of HostAddress instances to connect to
+     */
+    constructor(seeds, options) {
+        var _a;
+        super();
+        // Legacy CSFLE support
+        this.bson = Object.create(null);
+        this.bson.serialize = bson_1.serialize;
+        this.bson.deserialize = bson_1.deserialize;
+        // Options should only be undefined in tests, MongoClient will always have defined options
+        options = options !== null && options !== void 0 ? options : {
+            hosts: [utils_1.HostAddress.fromString('localhost:27017')],
+            ...Object.fromEntries(connection_string_1.DEFAULT_OPTIONS.entries()),
+            ...Object.fromEntries(connection_string_1.FEATURE_FLAGS.entries())
+        };
+        if (typeof seeds === 'string') {
+            seeds = [utils_1.HostAddress.fromString(seeds)];
+        }
+        else if (!Array.isArray(seeds)) {
+            seeds = [seeds];
+        }
+        const seedlist = [];
+        for (const seed of seeds) {
+            if (typeof seed === 'string') {
+                seedlist.push(utils_1.HostAddress.fromString(seed));
+            }
+            else if (seed instanceof utils_1.HostAddress) {
+                seedlist.push(seed);
+            }
+            else {
+                // FIXME(NODE-3483): May need to be a MongoParseError
+                throw new error_1.MongoRuntimeError(`Topology cannot be constructed from ${JSON.stringify(seed)}`);
+            }
+        }
+        const topologyType = topologyTypeFromOptions(options);
+        const topologyId = globalTopologyCounter++;
+        const selectedHosts = options.srvMaxHosts == null ||
+            options.srvMaxHosts === 0 ||
+            options.srvMaxHosts >= seedlist.length
+            ? seedlist
+            : (0, utils_1.shuffle)(seedlist, options.srvMaxHosts);
+        const serverDescriptions = new Map();
+        for (const hostAddress of selectedHosts) {
+            serverDescriptions.set(hostAddress.toString(), new server_description_1.ServerDescription(hostAddress));
+        }
+        this[kWaitQueue] = new Denque();
+        this.s = {
+            // the id of this topology
+            id: topologyId,
+            // passed in options
+            options,
+            // initial seedlist of servers to connect to
+            seedlist,
+            // initial state
+            state: common_1.STATE_CLOSED,
+            // the topology description
+            description: new topology_description_1.TopologyDescription(topologyType, serverDescriptions, options.replicaSet, undefined, undefined, undefined, options),
+            serverSelectionTimeoutMS: options.serverSelectionTimeoutMS,
+            heartbeatFrequencyMS: options.heartbeatFrequencyMS,
+            minHeartbeatFrequencyMS: options.minHeartbeatFrequencyMS,
+            // a map of server instances to normalized addresses
+            servers: new Map(),
+            credentials: options === null || options === void 0 ? void 0 : options.credentials,
+            clusterTime: undefined,
+            // timer management
+            connectionTimers: new Set(),
+            detectShardedTopology: ev => this.detectShardedTopology(ev),
+            detectSrvRecords: ev => this.detectSrvRecords(ev)
+        };
+        if (options.srvHost && !options.loadBalanced) {
+            this.s.srvPoller =
+                (_a = options.srvPoller) !== null && _a !== void 0 ? _a : new srv_polling_1.SrvPoller({
+                    heartbeatFrequencyMS: this.s.heartbeatFrequencyMS,
+                    srvHost: options.srvHost,
+                    srvMaxHosts: options.srvMaxHosts,
+                    srvServiceName: options.srvServiceName
+                });
+            this.on(Topology.TOPOLOGY_DESCRIPTION_CHANGED, this.s.detectShardedTopology);
+        }
+    }
+    detectShardedTopology(event) {
+        var _a, _b, _c;
+        const previousType = event.previousDescription.type;
+        const newType = event.newDescription.type;
+        const transitionToSharded = previousType !== common_1.TopologyType.Sharded && newType === common_1.TopologyType.Sharded;
+        const srvListeners = (_a = this.s.srvPoller) === null || _a === void 0 ? void 0 : _a.listeners(srv_polling_1.SrvPoller.SRV_RECORD_DISCOVERY);
+        const listeningToSrvPolling = !!(srvListeners === null || srvListeners === void 0 ? void 0 : srvListeners.includes(this.s.detectSrvRecords));
+        if (transitionToSharded && !listeningToSrvPolling) {
+            (_b = this.s.srvPoller) === null || _b === void 0 ? void 0 : _b.on(srv_polling_1.SrvPoller.SRV_RECORD_DISCOVERY, this.s.detectSrvRecords);
+            (_c = this.s.srvPoller) === null || _c === void 0 ? void 0 : _c.start();
+        }
+    }
+    detectSrvRecords(ev) {
+        const previousTopologyDescription = this.s.description;
+        this.s.description = this.s.description.updateFromSrvPollingEvent(ev, this.s.options.srvMaxHosts);
+        if (this.s.description === previousTopologyDescription) {
+            // Nothing changed, so return
+            return;
+        }
+        updateServers(this);
+        this.emit(Topology.TOPOLOGY_DESCRIPTION_CHANGED, new events_1.TopologyDescriptionChangedEvent(this.s.id, previousTopologyDescription, this.s.description));
+    }
+    /**
+     * @returns A `TopologyDescription` for this topology
+     */
+    get description() {
+        return this.s.description;
+    }
+    get loadBalanced() {
+        return this.s.options.loadBalanced;
+    }
+    get capabilities() {
+        return new ServerCapabilities(this.lastHello());
+    }
+    connect(options, callback) {
+        var _a;
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        if (this.s.state === common_1.STATE_CONNECTED) {
+            if (typeof callback === 'function') {
+                callback();
+            }
+            return;
+        }
+        stateTransition(this, common_1.STATE_CONNECTING);
+        // emit SDAM monitoring events
+        this.emit(Topology.TOPOLOGY_OPENING, new events_1.TopologyOpeningEvent(this.s.id));
+        // emit an event for the topology change
+        this.emit(Topology.TOPOLOGY_DESCRIPTION_CHANGED, new events_1.TopologyDescriptionChangedEvent(this.s.id, new topology_description_1.TopologyDescription(common_1.TopologyType.Unknown), // initial is always Unknown
+        this.s.description));
+        // connect all known servers, then attempt server selection to connect
+        const serverDescriptions = Array.from(this.s.description.servers.values());
+        this.s.servers = new Map(serverDescriptions.map(serverDescription => [
+            serverDescription.address,
+            createAndConnectServer(this, serverDescription)
+        ]));
+        // In load balancer mode we need to fake a server description getting
+        // emitted from the monitor, since the monitor doesn't exist.
+        if (this.s.options.loadBalanced) {
+            for (const description of serverDescriptions) {
+                const newDescription = new server_description_1.ServerDescription(description.hostAddress, undefined, {
+                    loadBalanced: this.s.options.loadBalanced
+                });
+                this.serverUpdateHandler(newDescription);
+            }
+        }
+        const exitWithError = (error) => callback ? callback(error) : this.emit(Topology.ERROR, error);
+        const readPreference = (_a = options.readPreference) !== null && _a !== void 0 ? _a : read_preference_1.ReadPreference.primary;
+        this.selectServer((0, server_selection_1.readPreferenceServerSelector)(readPreference), options, (err, server) => {
+            if (err) {
+                return this.close({ force: false }, () => exitWithError(err));
+            }
+            // TODO: NODE-2471
+            const skipPingOnConnect = this.s.options[Symbol.for('@@mdb.skipPingOnConnect')] === true;
+            if (!skipPingOnConnect && server && this.s.credentials) {
+                server.command((0, utils_1.ns)('admin.$cmd'), { ping: 1 }, {}, err => {
+                    if (err) {
+                        return exitWithError(err);
+                    }
+                    stateTransition(this, common_1.STATE_CONNECTED);
+                    this.emit(Topology.OPEN, this);
+                    this.emit(Topology.CONNECT, this);
+                    callback === null || callback === void 0 ? void 0 : callback(undefined, this);
+                });
+                return;
+            }
+            stateTransition(this, common_1.STATE_CONNECTED);
+            this.emit(Topology.OPEN, this);
+            this.emit(Topology.CONNECT, this);
+            callback === null || callback === void 0 ? void 0 : callback(undefined, this);
+        });
+    }
+    close(options, callback) {
+        if (typeof options === 'function') {
+            callback = options;
+            options = {};
+        }
+        if (typeof options === 'boolean') {
+            options = { force: options };
+        }
+        options = options !== null && options !== void 0 ? options : {};
+        if (this.s.state === common_1.STATE_CLOSED || this.s.state === common_1.STATE_CLOSING) {
+            return callback === null || callback === void 0 ? void 0 : callback();
+        }
+        const destroyedServers = Array.from(this.s.servers.values(), server => {
+            return (0, util_1.promisify)(destroyServer)(server, this, options);
+        });
+        Promise.all(destroyedServers)
+            .then(() => {
+            this.s.servers.clear();
+            stateTransition(this, common_1.STATE_CLOSING);
+            drainWaitQueue(this[kWaitQueue], new error_1.MongoTopologyClosedError());
+            (0, common_1.drainTimerQueue)(this.s.connectionTimers);
+            if (this.s.srvPoller) {
+                this.s.srvPoller.stop();
+                this.s.srvPoller.removeListener(srv_polling_1.SrvPoller.SRV_RECORD_DISCOVERY, this.s.detectSrvRecords);
+            }
+            this.removeListener(Topology.TOPOLOGY_DESCRIPTION_CHANGED, this.s.detectShardedTopology);
+            stateTransition(this, common_1.STATE_CLOSED);
+            // emit an event for close
+            this.emit(Topology.TOPOLOGY_CLOSED, new events_1.TopologyClosedEvent(this.s.id));
+        })
+            .finally(() => callback === null || callback === void 0 ? void 0 : callback());
+    }
+    /**
+     * Selects a server according to the selection predicate provided
+     *
+     * @param selector - An optional selector to select servers by, defaults to a random selection within a latency window
+     * @param options - Optional settings related to server selection
+     * @param callback - The callback used to indicate success or failure
+     * @returns An instance of a `Server` meeting the criteria of the predicate provided
+     */
+    selectServer(selector, options, callback) {
+        let serverSelector;
+        if (typeof selector !== 'function') {
+            if (typeof selector === 'string') {
+                serverSelector = (0, server_selection_1.readPreferenceServerSelector)(read_preference_1.ReadPreference.fromString(selector));
+            }
+            else {
+                let readPreference;
+                if (selector instanceof read_preference_1.ReadPreference) {
+                    readPreference = selector;
+                }
+                else {
+                    read_preference_1.ReadPreference.translate(options);
+                    readPreference = options.readPreference || read_preference_1.ReadPreference.primary;
+                }
+                serverSelector = (0, server_selection_1.readPreferenceServerSelector)(readPreference);
+            }
+        }
+        else {
+            serverSelector = selector;
+        }
+        options = Object.assign({}, { serverSelectionTimeoutMS: this.s.serverSelectionTimeoutMS }, options);
+        const isSharded = this.description.type === common_1.TopologyType.Sharded;
+        const session = options.session;
+        const transaction = session && session.transaction;
+        if (isSharded && transaction && transaction.server) {
+            callback(undefined, transaction.server);
+            return;
+        }
+        const waitQueueMember = {
+            serverSelector,
+            transaction,
+            callback
+        };
+        const serverSelectionTimeoutMS = options.serverSelectionTimeoutMS;
+        if (serverSelectionTimeoutMS) {
+            waitQueueMember.timer = (0, timers_1.setTimeout)(() => {
+                waitQueueMember[kCancelled] = true;
+                waitQueueMember.timer = undefined;
+                const timeoutError = new error_1.MongoServerSelectionError(`Server selection timed out after ${serverSelectionTimeoutMS} ms`, this.description);
+                waitQueueMember.callback(timeoutError);
+            }, serverSelectionTimeoutMS);
+        }
+        this[kWaitQueue].push(waitQueueMember);
+        processWaitQueue(this);
+    }
+    // Sessions related methods
+    /**
+     * @returns Whether the topology should initiate selection to determine session support
+     */
+    shouldCheckForSessionSupport() {
+        if (this.description.type === common_1.TopologyType.Single) {
+            return !this.description.hasKnownServers;
+        }
+        return !this.description.hasDataBearingServers;
+    }
+    /**
+     * @returns Whether sessions are supported on the current topology
+     */
+    hasSessionSupport() {
+        return this.loadBalanced || this.description.logicalSessionTimeoutMinutes != null;
+    }
+    /**
+     * Update the internal TopologyDescription with a ServerDescription
+     *
+     * @param serverDescription - The server to update in the internal list of server descriptions
+     */
+    serverUpdateHandler(serverDescription) {
+        if (!this.s.description.hasServer(serverDescription.address)) {
+            return;
+        }
+        // ignore this server update if its from an outdated topologyVersion
+        if (isStaleServerDescription(this.s.description, serverDescription)) {
+            return;
+        }
+        // these will be used for monitoring events later
+        const previousTopologyDescription = this.s.description;
+        const previousServerDescription = this.s.description.servers.get(serverDescription.address);
+        if (!previousServerDescription) {
+            return;
+        }
+        // Driver Sessions Spec: "Whenever a driver receives a cluster time from
+        // a server it MUST compare it to the current highest seen cluster time
+        // for the deployment. If the new cluster time is higher than the
+        // highest seen cluster time it MUST become the new highest seen cluster
+        // time. Two cluster times are compared using only the BsonTimestamp
+        // value of the clusterTime embedded field."
+        const clusterTime = serverDescription.$clusterTime;
+        if (clusterTime) {
+            (0, common_1._advanceClusterTime)(this, clusterTime);
+        }
+        // If we already know all the information contained in this updated description, then
+        // we don't need to emit SDAM events, but still need to update the description, in order
+        // to keep client-tracked attributes like last update time and round trip time up to date
+        const equalDescriptions = previousServerDescription && previousServerDescription.equals(serverDescription);
+        // first update the TopologyDescription
+        this.s.description = this.s.description.update(serverDescription);
+        if (this.s.description.compatibilityError) {
+            this.emit(Topology.ERROR, new error_1.MongoCompatibilityError(this.s.description.compatibilityError));
+            return;
+        }
+        // emit monitoring events for this change
+        if (!equalDescriptions) {
+            const newDescription = this.s.description.servers.get(serverDescription.address);
+            if (newDescription) {
+                this.emit(Topology.SERVER_DESCRIPTION_CHANGED, new events_1.ServerDescriptionChangedEvent(this.s.id, serverDescription.address, previousServerDescription, newDescription));
+            }
+        }
+        // update server list from updated descriptions
+        updateServers(this, serverDescription);
+        // attempt to resolve any outstanding server selection attempts
+        if (this[kWaitQueue].length > 0) {
+            processWaitQueue(this);
+        }
+        if (!equalDescriptions) {
+            this.emit(Topology.TOPOLOGY_DESCRIPTION_CHANGED, new events_1.TopologyDescriptionChangedEvent(this.s.id, previousTopologyDescription, this.s.description));
+        }
+    }
+    auth(credentials, callback) {
+        if (typeof credentials === 'function')
+            (callback = credentials), (credentials = undefined);
+        if (typeof callback === 'function')
+            callback(undefined, true);
+    }
+    get clientMetadata() {
+        return this.s.options.metadata;
+    }
+    isConnected() {
+        return this.s.state === common_1.STATE_CONNECTED;
+    }
+    isDestroyed() {
+        return this.s.state === common_1.STATE_CLOSED;
+    }
+    /**
+     * @deprecated This function is deprecated and will be removed in the next major version.
+     */
+    unref() {
+        (0, utils_1.emitWarning)('`unref` is a noop and will be removed in the next major version');
+    }
+    // NOTE: There are many places in code where we explicitly check the last hello
+    //       to do feature support detection. This should be done any other way, but for
+    //       now we will just return the first hello seen, which should suffice.
+    lastHello() {
+        const serverDescriptions = Array.from(this.description.servers.values());
+        if (serverDescriptions.length === 0)
+            return {};
+        const sd = serverDescriptions.filter((sd) => sd.type !== common_1.ServerType.Unknown)[0];
+        const result = sd || { maxWireVersion: this.description.commonWireVersion };
+        return result;
+    }
+    get commonWireVersion() {
+        return this.description.commonWireVersion;
+    }
+    get logicalSessionTimeoutMinutes() {
+        return this.description.logicalSessionTimeoutMinutes;
+    }
+    get clusterTime() {
+        return this.s.clusterTime;
+    }
+    set clusterTime(clusterTime) {
+        this.s.clusterTime = clusterTime;
+    }
+}
+exports.Topology = Topology;
+/** @event */
+Topology.SERVER_OPENING = constants_1.SERVER_OPENING;
+/** @event */
+Topology.SERVER_CLOSED = constants_1.SERVER_CLOSED;
+/** @event */
+Topology.SERVER_DESCRIPTION_CHANGED = constants_1.SERVER_DESCRIPTION_CHANGED;
+/** @event */
+Topology.TOPOLOGY_OPENING = constants_1.TOPOLOGY_OPENING;
+/** @event */
+Topology.TOPOLOGY_CLOSED = constants_1.TOPOLOGY_CLOSED;
+/** @event */
+Topology.TOPOLOGY_DESCRIPTION_CHANGED = constants_1.TOPOLOGY_DESCRIPTION_CHANGED;
+/** @event */
+Topology.ERROR = constants_1.ERROR;
+/** @event */
+Topology.OPEN = constants_1.OPEN;
+/** @event */
+Topology.CONNECT = constants_1.CONNECT;
+/** @event */
+Topology.CLOSE = constants_1.CLOSE;
+/** @event */
+Topology.TIMEOUT = constants_1.TIMEOUT;
+/** Destroys a server, and removes all event listeners from the instance */
+function destroyServer(server, topology, options, callback) {
+    options = options !== null && options !== void 0 ? options : {};
+    for (const event of constants_1.LOCAL_SERVER_EVENTS) {
+        server.removeAllListeners(event);
+    }
+    server.destroy(options, () => {
+        topology.emit(Topology.SERVER_CLOSED, new events_1.ServerClosedEvent(topology.s.id, server.description.address));
+        for (const event of constants_1.SERVER_RELAY_EVENTS) {
+            server.removeAllListeners(event);
+        }
+        if (typeof callback === 'function') {
+            callback();
+        }
+    });
+}
+/** Predicts the TopologyType from options */
+function topologyTypeFromOptions(options) {
+    if (options === null || options === void 0 ? void 0 : options.directConnection) {
+        return common_1.TopologyType.Single;
+    }
+    if (options === null || options === void 0 ? void 0 : options.replicaSet) {
+        return common_1.TopologyType.ReplicaSetNoPrimary;
+    }
+    if (options === null || options === void 0 ? void 0 : options.loadBalanced) {
+        return common_1.TopologyType.LoadBalanced;
+    }
+    return common_1.TopologyType.Unknown;
+}
+/**
+ * Creates new server instances and attempts to connect them
+ *
+ * @param topology - The topology that this server belongs to
+ * @param serverDescription - The description for the server to initialize and connect to
+ */
+function createAndConnectServer(topology, serverDescription) {
+    topology.emit(Topology.SERVER_OPENING, new events_1.ServerOpeningEvent(topology.s.id, serverDescription.address));
+    const server = new server_1.Server(topology, serverDescription, topology.s.options);
+    for (const event of constants_1.SERVER_RELAY_EVENTS) {
+        server.on(event, (e) => topology.emit(event, e));
+    }
+    server.on(server_1.Server.DESCRIPTION_RECEIVED, description => topology.serverUpdateHandler(description));
+    server.connect();
+    return server;
+}
+/**
+ * @param topology - Topology to update.
+ * @param incomingServerDescription - New server description.
+ */
+function updateServers(topology, incomingServerDescription) {
+    // update the internal server's description
+    if (incomingServerDescription && topology.s.servers.has(incomingServerDescription.address)) {
+        const server = topology.s.servers.get(incomingServerDescription.address);
+        if (server) {
+            server.s.description = incomingServerDescription;
+            if (incomingServerDescription.error instanceof error_1.MongoError &&
+                incomingServerDescription.error.hasErrorLabel(error_1.MongoErrorLabel.ResetPool)) {
+                server.s.pool.clear();
+            }
+            else if (incomingServerDescription.error == null) {
+                const newTopologyType = topology.s.description.type;
+                const shouldMarkPoolReady = incomingServerDescription.isDataBearing ||
+                    (incomingServerDescription.type !== common_1.ServerType.Unknown &&
+                        newTopologyType === common_1.TopologyType.Single);
+                if (shouldMarkPoolReady) {
+                    server.s.pool.ready();
+                }
+            }
+        }
+    }
+    // add new servers for all descriptions we currently don't know about locally
+    for (const serverDescription of topology.description.servers.values()) {
+        if (!topology.s.servers.has(serverDescription.address)) {
+            const server = createAndConnectServer(topology, serverDescription);
+            topology.s.servers.set(serverDescription.address, server);
+        }
+    }
+    // for all servers no longer known, remove their descriptions and destroy their instances
+    for (const entry of topology.s.servers) {
+        const serverAddress = entry[0];
+        if (topology.description.hasServer(serverAddress)) {
+            continue;
+        }
+        if (!topology.s.servers.has(serverAddress)) {
+            continue;
+        }
+        const server = topology.s.servers.get(serverAddress);
+        topology.s.servers.delete(serverAddress);
+        // prepare server for garbage collection
+        if (server) {
+            destroyServer(server, topology);
+        }
+    }
+}
+function drainWaitQueue(queue, err) {
+    while (queue.length) {
+        const waitQueueMember = queue.shift();
+        if (!waitQueueMember) {
+            continue;
+        }
+        if (waitQueueMember.timer) {
+            (0, timers_1.clearTimeout)(waitQueueMember.timer);
+        }
+        if (!waitQueueMember[kCancelled]) {
+            waitQueueMember.callback(err);
+        }
+    }
+}
+function processWaitQueue(topology) {
+    if (topology.s.state === common_1.STATE_CLOSED) {
+        drainWaitQueue(topology[kWaitQueue], new error_1.MongoTopologyClosedError());
+        return;
+    }
+    const isSharded = topology.description.type === common_1.TopologyType.Sharded;
+    const serverDescriptions = Array.from(topology.description.servers.values());
+    const membersToProcess = topology[kWaitQueue].length;
+    for (let i = 0; i < membersToProcess; ++i) {
+        const waitQueueMember = topology[kWaitQueue].shift();
+        if (!waitQueueMember) {
+            continue;
+        }
+        if (waitQueueMember[kCancelled]) {
+            continue;
+        }
+        let selectedDescriptions;
+        try {
+            const serverSelector = waitQueueMember.serverSelector;
+            selectedDescriptions = serverSelector
+                ? serverSelector(topology.description, serverDescriptions)
+                : serverDescriptions;
+        }
+        catch (e) {
+            if (waitQueueMember.timer) {
+                (0, timers_1.clearTimeout)(waitQueueMember.timer);
+            }
+            waitQueueMember.callback(e);
+            continue;
+        }
+        let selectedServer;
+        if (selectedDescriptions.length === 0) {
+            topology[kWaitQueue].push(waitQueueMember);
+            continue;
+        }
+        else if (selectedDescriptions.length === 1) {
+            selectedServer = topology.s.servers.get(selectedDescriptions[0].address);
+        }
+        else {
+            const descriptions = (0, utils_1.shuffle)(selectedDescriptions, 2);
+            const server1 = topology.s.servers.get(descriptions[0].address);
+            const server2 = topology.s.servers.get(descriptions[1].address);
+            selectedServer =
+                server1 && server2 && server1.s.operationCount < server2.s.operationCount
+                    ? server1
+                    : server2;
+        }
+        if (!selectedServer) {
+            waitQueueMember.callback(new error_1.MongoServerSelectionError('server selection returned a server description but the server was not found in the topology', topology.description));
+            return;
+        }
+        const transaction = waitQueueMember.transaction;
+        if (isSharded && transaction && transaction.isActive && selectedServer) {
+            transaction.pinServer(selectedServer);
+        }
+        if (waitQueueMember.timer) {
+            (0, timers_1.clearTimeout)(waitQueueMember.timer);
+        }
+        waitQueueMember.callback(undefined, selectedServer);
+    }
+    if (topology[kWaitQueue].length > 0) {
+        // ensure all server monitors attempt monitoring soon
+        for (const [, server] of topology.s.servers) {
+            process.nextTick(function scheduleServerCheck() {
+                return server.requestCheck();
+            });
+        }
+    }
+}
+function isStaleServerDescription(topologyDescription, incomingServerDescription) {
+    const currentServerDescription = topologyDescription.servers.get(incomingServerDescription.address);
+    const currentTopologyVersion = currentServerDescription === null || currentServerDescription === void 0 ? void 0 : currentServerDescription.topologyVersion;
+    return ((0, server_description_1.compareTopologyVersion)(currentTopologyVersion, incomingServerDescription.topologyVersion) > 0);
+}
+/** @public */
+class ServerCapabilities {
+    constructor(hello) {
+        this.minWireVersion = hello.minWireVersion || 0;
+        this.maxWireVersion = hello.maxWireVersion || 0;
+    }
+    get hasAggregationCursor() {
+        return this.maxWireVersion >= 1;
+    }
+    get hasWriteCommands() {
+        return this.maxWireVersion >= 2;
+    }
+    get hasTextSearch() {
+        return this.minWireVersion >= 0;
+    }
+    get hasAuthCommands() {
+        return this.maxWireVersion >= 1;
+    }
+    get hasListCollectionsCommand() {
+        return this.maxWireVersion >= 3;
+    }
+    get hasListIndexesCommand() {
+        return this.maxWireVersion >= 3;
+    }
+    get supportsSnapshotReads() {
+        return this.maxWireVersion >= 13;
+    }
+    get commandsTakeWriteConcern() {
+        return this.maxWireVersion >= 5;
+    }
+    get commandsTakeCollation() {
+        return this.maxWireVersion >= 5;
+    }
+}
+exports.ServerCapabilities = ServerCapabilities;
+//# sourceMappingURL=topology.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/topology.js.map b/node_modules/mongodb/lib/sdam/topology.js.map
new file mode 100644
index 000000000..a53d27104
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/topology.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/topology_description.js b/node_modules/mongodb/lib/sdam/topology_description.js
new file mode 100644
index 000000000..0ec7e5988
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/topology_description.js
@@ -0,0 +1,340 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.TopologyDescription = void 0;
+const WIRE_CONSTANTS = require("../cmap/wire_protocol/constants");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const common_1 = require("./common");
+const server_description_1 = require("./server_description");
+// constants related to compatibility checks
+const MIN_SUPPORTED_SERVER_VERSION = WIRE_CONSTANTS.MIN_SUPPORTED_SERVER_VERSION;
+const MAX_SUPPORTED_SERVER_VERSION = WIRE_CONSTANTS.MAX_SUPPORTED_SERVER_VERSION;
+const MIN_SUPPORTED_WIRE_VERSION = WIRE_CONSTANTS.MIN_SUPPORTED_WIRE_VERSION;
+const MAX_SUPPORTED_WIRE_VERSION = WIRE_CONSTANTS.MAX_SUPPORTED_WIRE_VERSION;
+const MONGOS_OR_UNKNOWN = new Set([common_1.ServerType.Mongos, common_1.ServerType.Unknown]);
+const MONGOS_OR_STANDALONE = new Set([common_1.ServerType.Mongos, common_1.ServerType.Standalone]);
+const NON_PRIMARY_RS_MEMBERS = new Set([
+    common_1.ServerType.RSSecondary,
+    common_1.ServerType.RSArbiter,
+    common_1.ServerType.RSOther
+]);
+/**
+ * Representation of a deployment of servers
+ * @public
+ */
+class TopologyDescription {
+    /**
+     * Create a TopologyDescription
+     */
+    constructor(topologyType, serverDescriptions = null, setName = null, maxSetVersion = null, maxElectionId = null, commonWireVersion = null, options = null) {
+        var _a, _b;
+        options = options !== null && options !== void 0 ? options : {};
+        this.type = topologyType !== null && topologyType !== void 0 ? topologyType : common_1.TopologyType.Unknown;
+        this.servers = serverDescriptions !== null && serverDescriptions !== void 0 ? serverDescriptions : new Map();
+        this.stale = false;
+        this.compatible = true;
+        this.heartbeatFrequencyMS = (_a = options.heartbeatFrequencyMS) !== null && _a !== void 0 ? _a : 0;
+        this.localThresholdMS = (_b = options.localThresholdMS) !== null && _b !== void 0 ? _b : 15;
+        this.setName = setName !== null && setName !== void 0 ? setName : null;
+        this.maxElectionId = maxElectionId !== null && maxElectionId !== void 0 ? maxElectionId : null;
+        this.maxSetVersion = maxSetVersion !== null && maxSetVersion !== void 0 ? maxSetVersion : null;
+        this.commonWireVersion = commonWireVersion !== null && commonWireVersion !== void 0 ? commonWireVersion : 0;
+        // determine server compatibility
+        for (const serverDescription of this.servers.values()) {
+            // Load balancer mode is always compatible.
+            if (serverDescription.type === common_1.ServerType.Unknown ||
+                serverDescription.type === common_1.ServerType.LoadBalancer) {
+                continue;
+            }
+            if (serverDescription.minWireVersion > MAX_SUPPORTED_WIRE_VERSION) {
+                this.compatible = false;
+                this.compatibilityError = `Server at ${serverDescription.address} requires wire version ${serverDescription.minWireVersion}, but this version of the driver only supports up to ${MAX_SUPPORTED_WIRE_VERSION} (MongoDB ${MAX_SUPPORTED_SERVER_VERSION})`;
+            }
+            if (serverDescription.maxWireVersion < MIN_SUPPORTED_WIRE_VERSION) {
+                this.compatible = false;
+                this.compatibilityError = `Server at ${serverDescription.address} reports wire version ${serverDescription.maxWireVersion}, but this version of the driver requires at least ${MIN_SUPPORTED_WIRE_VERSION} (MongoDB ${MIN_SUPPORTED_SERVER_VERSION}).`;
+                break;
+            }
+        }
+        // Whenever a client updates the TopologyDescription from a hello response, it MUST set
+        // TopologyDescription.logicalSessionTimeoutMinutes to the smallest logicalSessionTimeoutMinutes
+        // value among ServerDescriptions of all data-bearing server types. If any have a null
+        // logicalSessionTimeoutMinutes, then TopologyDescription.logicalSessionTimeoutMinutes MUST be
+        // set to null.
+        this.logicalSessionTimeoutMinutes = null;
+        for (const [, server] of this.servers) {
+            if (server.isReadable) {
+                if (server.logicalSessionTimeoutMinutes == null) {
+                    // If any of the servers have a null logicalSessionsTimeout, then the whole topology does
+                    this.logicalSessionTimeoutMinutes = null;
+                    break;
+                }
+                if (this.logicalSessionTimeoutMinutes == null) {
+                    // First server with a non null logicalSessionsTimeout
+                    this.logicalSessionTimeoutMinutes = server.logicalSessionTimeoutMinutes;
+                    continue;
+                }
+                // Always select the smaller of the:
+                // current server logicalSessionsTimeout and the topologies logicalSessionsTimeout
+                this.logicalSessionTimeoutMinutes = Math.min(this.logicalSessionTimeoutMinutes, server.logicalSessionTimeoutMinutes);
+            }
+        }
+    }
+    /**
+     * Returns a new TopologyDescription based on the SrvPollingEvent
+     * @internal
+     */
+    updateFromSrvPollingEvent(ev, srvMaxHosts = 0) {
+        /** The SRV addresses defines the set of addresses we should be using */
+        const incomingHostnames = ev.hostnames();
+        const currentHostnames = new Set(this.servers.keys());
+        const hostnamesToAdd = new Set(incomingHostnames);
+        const hostnamesToRemove = new Set();
+        for (const hostname of currentHostnames) {
+            // filter hostnamesToAdd (made from incomingHostnames) down to what is *not* present in currentHostnames
+            hostnamesToAdd.delete(hostname);
+            if (!incomingHostnames.has(hostname)) {
+                // If the SRV Records no longer include this hostname
+                // we have to stop using it
+                hostnamesToRemove.add(hostname);
+            }
+        }
+        if (hostnamesToAdd.size === 0 && hostnamesToRemove.size === 0) {
+            // No new hosts to add and none to remove
+            return this;
+        }
+        const serverDescriptions = new Map(this.servers);
+        for (const removedHost of hostnamesToRemove) {
+            serverDescriptions.delete(removedHost);
+        }
+        if (hostnamesToAdd.size > 0) {
+            if (srvMaxHosts === 0) {
+                // Add all!
+                for (const hostToAdd of hostnamesToAdd) {
+                    serverDescriptions.set(hostToAdd, new server_description_1.ServerDescription(hostToAdd));
+                }
+            }
+            else if (serverDescriptions.size < srvMaxHosts) {
+                // Add only the amount needed to get us back to srvMaxHosts
+                const selectedHosts = (0, utils_1.shuffle)(hostnamesToAdd, srvMaxHosts - serverDescriptions.size);
+                for (const selectedHostToAdd of selectedHosts) {
+                    serverDescriptions.set(selectedHostToAdd, new server_description_1.ServerDescription(selectedHostToAdd));
+                }
+            }
+        }
+        return new TopologyDescription(this.type, serverDescriptions, this.setName, this.maxSetVersion, this.maxElectionId, this.commonWireVersion, { heartbeatFrequencyMS: this.heartbeatFrequencyMS, localThresholdMS: this.localThresholdMS });
+    }
+    /**
+     * Returns a copy of this description updated with a given ServerDescription
+     * @internal
+     */
+    update(serverDescription) {
+        const address = serverDescription.address;
+        // potentially mutated values
+        let { type: topologyType, setName, maxSetVersion, maxElectionId, commonWireVersion } = this;
+        const serverType = serverDescription.type;
+        const serverDescriptions = new Map(this.servers);
+        // update common wire version
+        if (serverDescription.maxWireVersion !== 0) {
+            if (commonWireVersion == null) {
+                commonWireVersion = serverDescription.maxWireVersion;
+            }
+            else {
+                commonWireVersion = Math.min(commonWireVersion, serverDescription.maxWireVersion);
+            }
+        }
+        if (typeof serverDescription.setName === 'string' &&
+            typeof setName === 'string' &&
+            serverDescription.setName !== setName) {
+            if (topologyType === common_1.TopologyType.Single) {
+                // "Single" Topology with setName mismatch is direct connection usage, mark unknown do not remove
+                serverDescription = new server_description_1.ServerDescription(address);
+            }
+            else {
+                serverDescriptions.delete(address);
+            }
+        }
+        // update the actual server description
+        serverDescriptions.set(address, serverDescription);
+        if (topologyType === common_1.TopologyType.Single) {
+            // once we are defined as single, that never changes
+            return new TopologyDescription(common_1.TopologyType.Single, serverDescriptions, setName, maxSetVersion, maxElectionId, commonWireVersion, { heartbeatFrequencyMS: this.heartbeatFrequencyMS, localThresholdMS: this.localThresholdMS });
+        }
+        if (topologyType === common_1.TopologyType.Unknown) {
+            if (serverType === common_1.ServerType.Standalone && this.servers.size !== 1) {
+                serverDescriptions.delete(address);
+            }
+            else {
+                topologyType = topologyTypeForServerType(serverType);
+            }
+        }
+        if (topologyType === common_1.TopologyType.Sharded) {
+            if (!MONGOS_OR_UNKNOWN.has(serverType)) {
+                serverDescriptions.delete(address);
+            }
+        }
+        if (topologyType === common_1.TopologyType.ReplicaSetNoPrimary) {
+            if (MONGOS_OR_STANDALONE.has(serverType)) {
+                serverDescriptions.delete(address);
+            }
+            if (serverType === common_1.ServerType.RSPrimary) {
+                const result = updateRsFromPrimary(serverDescriptions, serverDescription, setName, maxSetVersion, maxElectionId);
+                topologyType = result[0];
+                setName = result[1];
+                maxSetVersion = result[2];
+                maxElectionId = result[3];
+            }
+            else if (NON_PRIMARY_RS_MEMBERS.has(serverType)) {
+                const result = updateRsNoPrimaryFromMember(serverDescriptions, serverDescription, setName);
+                topologyType = result[0];
+                setName = result[1];
+            }
+        }
+        if (topologyType === common_1.TopologyType.ReplicaSetWithPrimary) {
+            if (MONGOS_OR_STANDALONE.has(serverType)) {
+                serverDescriptions.delete(address);
+                topologyType = checkHasPrimary(serverDescriptions);
+            }
+            else if (serverType === common_1.ServerType.RSPrimary) {
+                const result = updateRsFromPrimary(serverDescriptions, serverDescription, setName, maxSetVersion, maxElectionId);
+                topologyType = result[0];
+                setName = result[1];
+                maxSetVersion = result[2];
+                maxElectionId = result[3];
+            }
+            else if (NON_PRIMARY_RS_MEMBERS.has(serverType)) {
+                topologyType = updateRsWithPrimaryFromMember(serverDescriptions, serverDescription, setName);
+            }
+            else {
+                topologyType = checkHasPrimary(serverDescriptions);
+            }
+        }
+        return new TopologyDescription(topologyType, serverDescriptions, setName, maxSetVersion, maxElectionId, commonWireVersion, { heartbeatFrequencyMS: this.heartbeatFrequencyMS, localThresholdMS: this.localThresholdMS });
+    }
+    get error() {
+        const descriptionsWithError = Array.from(this.servers.values()).filter((sd) => sd.error);
+        if (descriptionsWithError.length > 0) {
+            return descriptionsWithError[0].error;
+        }
+        return null;
+    }
+    /**
+     * Determines if the topology description has any known servers
+     */
+    get hasKnownServers() {
+        return Array.from(this.servers.values()).some((sd) => sd.type !== common_1.ServerType.Unknown);
+    }
+    /**
+     * Determines if this topology description has a data-bearing server available.
+     */
+    get hasDataBearingServers() {
+        return Array.from(this.servers.values()).some((sd) => sd.isDataBearing);
+    }
+    /**
+     * Determines if the topology has a definition for the provided address
+     * @internal
+     */
+    hasServer(address) {
+        return this.servers.has(address);
+    }
+}
+exports.TopologyDescription = TopologyDescription;
+function topologyTypeForServerType(serverType) {
+    switch (serverType) {
+        case common_1.ServerType.Standalone:
+            return common_1.TopologyType.Single;
+        case common_1.ServerType.Mongos:
+            return common_1.TopologyType.Sharded;
+        case common_1.ServerType.RSPrimary:
+            return common_1.TopologyType.ReplicaSetWithPrimary;
+        case common_1.ServerType.RSOther:
+        case common_1.ServerType.RSSecondary:
+            return common_1.TopologyType.ReplicaSetNoPrimary;
+        default:
+            return common_1.TopologyType.Unknown;
+    }
+}
+function updateRsFromPrimary(serverDescriptions, serverDescription, setName = null, maxSetVersion = null, maxElectionId = null) {
+    setName = setName || serverDescription.setName;
+    if (setName !== serverDescription.setName) {
+        serverDescriptions.delete(serverDescription.address);
+        return [checkHasPrimary(serverDescriptions), setName, maxSetVersion, maxElectionId];
+    }
+    const electionId = serverDescription.electionId ? serverDescription.electionId : null;
+    if (serverDescription.setVersion && electionId) {
+        if (maxSetVersion && maxElectionId) {
+            if (maxSetVersion > serverDescription.setVersion ||
+                (0, utils_1.compareObjectId)(maxElectionId, electionId) > 0) {
+                // this primary is stale, we must remove it
+                serverDescriptions.set(serverDescription.address, new server_description_1.ServerDescription(serverDescription.address));
+                return [checkHasPrimary(serverDescriptions), setName, maxSetVersion, maxElectionId];
+            }
+        }
+        maxElectionId = serverDescription.electionId;
+    }
+    if (serverDescription.setVersion != null &&
+        (maxSetVersion == null || serverDescription.setVersion > maxSetVersion)) {
+        maxSetVersion = serverDescription.setVersion;
+    }
+    // We've heard from the primary. Is it the same primary as before?
+    for (const [address, server] of serverDescriptions) {
+        if (server.type === common_1.ServerType.RSPrimary && server.address !== serverDescription.address) {
+            // Reset old primary's type to Unknown.
+            serverDescriptions.set(address, new server_description_1.ServerDescription(server.address));
+            // There can only be one primary
+            break;
+        }
+    }
+    // Discover new hosts from this primary's response.
+    serverDescription.allHosts.forEach((address) => {
+        if (!serverDescriptions.has(address)) {
+            serverDescriptions.set(address, new server_description_1.ServerDescription(address));
+        }
+    });
+    // Remove hosts not in the response.
+    const currentAddresses = Array.from(serverDescriptions.keys());
+    const responseAddresses = serverDescription.allHosts;
+    currentAddresses
+        .filter((addr) => responseAddresses.indexOf(addr) === -1)
+        .forEach((address) => {
+        serverDescriptions.delete(address);
+    });
+    return [checkHasPrimary(serverDescriptions), setName, maxSetVersion, maxElectionId];
+}
+function updateRsWithPrimaryFromMember(serverDescriptions, serverDescription, setName = null) {
+    if (setName == null) {
+        // TODO(NODE-3483): should be an appropriate runtime error
+        throw new error_1.MongoRuntimeError('Argument "setName" is required if connected to a replica set');
+    }
+    if (setName !== serverDescription.setName ||
+        (serverDescription.me && serverDescription.address !== serverDescription.me)) {
+        serverDescriptions.delete(serverDescription.address);
+    }
+    return checkHasPrimary(serverDescriptions);
+}
+function updateRsNoPrimaryFromMember(serverDescriptions, serverDescription, setName = null) {
+    const topologyType = common_1.TopologyType.ReplicaSetNoPrimary;
+    setName = setName !== null && setName !== void 0 ? setName : serverDescription.setName;
+    if (setName !== serverDescription.setName) {
+        serverDescriptions.delete(serverDescription.address);
+        return [topologyType, setName];
+    }
+    serverDescription.allHosts.forEach((address) => {
+        if (!serverDescriptions.has(address)) {
+            serverDescriptions.set(address, new server_description_1.ServerDescription(address));
+        }
+    });
+    if (serverDescription.me && serverDescription.address !== serverDescription.me) {
+        serverDescriptions.delete(serverDescription.address);
+    }
+    return [topologyType, setName];
+}
+function checkHasPrimary(serverDescriptions) {
+    for (const serverDescription of serverDescriptions.values()) {
+        if (serverDescription.type === common_1.ServerType.RSPrimary) {
+            return common_1.TopologyType.ReplicaSetWithPrimary;
+        }
+    }
+    return common_1.TopologyType.ReplicaSetNoPrimary;
+}
+//# sourceMappingURL=topology_description.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sdam/topology_description.js.map b/node_modules/mongodb/lib/sdam/topology_description.js.map
new file mode 100644
index 000000000..07a78b2c1
--- /dev/null
+++ b/node_modules/mongodb/lib/sdam/topology_description.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sessions.js b/node_modules/mongodb/lib/sessions.js
new file mode 100644
index 000000000..6382d051a
--- /dev/null
+++ b/node_modules/mongodb/lib/sessions.js
@@ -0,0 +1,747 @@
+"use strict";
+var _a;
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.updateSessionFromResponse = exports.applySession = exports.ServerSessionPool = exports.ServerSession = exports.maybeClearPinnedConnection = exports.ClientSession = void 0;
+const bson_1 = require("./bson");
+const metrics_1 = require("./cmap/metrics");
+const shared_1 = require("./cmap/wire_protocol/shared");
+const constants_1 = require("./constants");
+const error_1 = require("./error");
+const mongo_types_1 = require("./mongo_types");
+const execute_operation_1 = require("./operations/execute_operation");
+const run_command_1 = require("./operations/run_command");
+const promise_provider_1 = require("./promise_provider");
+const read_concern_1 = require("./read_concern");
+const read_preference_1 = require("./read_preference");
+const common_1 = require("./sdam/common");
+const transactions_1 = require("./transactions");
+const utils_1 = require("./utils");
+const minWireVersionForShardedTransactions = 8;
+/** @internal */
+const kServerSession = Symbol('serverSession');
+/** @internal */
+const kSnapshotTime = Symbol('snapshotTime');
+/** @internal */
+const kSnapshotEnabled = Symbol('snapshotEnabled');
+/** @internal */
+const kPinnedConnection = Symbol('pinnedConnection');
+/** @internal Accumulates total number of increments to add to txnNumber when applying session to command */
+const kTxnNumberIncrement = Symbol('txnNumberIncrement');
+/**
+ * A class representing a client session on the server
+ *
+ * NOTE: not meant to be instantiated directly.
+ * @public
+ */
+class ClientSession extends mongo_types_1.TypedEventEmitter {
+    /**
+     * Create a client session.
+     * @internal
+     * @param client - The current client
+     * @param sessionPool - The server session pool (Internal Class)
+     * @param options - Optional settings
+     * @param clientOptions - Optional settings provided when creating a MongoClient
+     */
+    constructor(client, sessionPool, options, clientOptions) {
+        super();
+        /** @internal */
+        this[_a] = false;
+        if (client == null) {
+            // TODO(NODE-3483)
+            throw new error_1.MongoRuntimeError('ClientSession requires a MongoClient');
+        }
+        if (sessionPool == null || !(sessionPool instanceof ServerSessionPool)) {
+            // TODO(NODE-3483)
+            throw new error_1.MongoRuntimeError('ClientSession requires a ServerSessionPool');
+        }
+        options = options !== null && options !== void 0 ? options : {};
+        if (options.snapshot === true) {
+            this[kSnapshotEnabled] = true;
+            if (options.causalConsistency === true) {
+                throw new error_1.MongoInvalidArgumentError('Properties "causalConsistency" and "snapshot" are mutually exclusive');
+            }
+        }
+        this.client = client;
+        this.sessionPool = sessionPool;
+        this.hasEnded = false;
+        this.clientOptions = clientOptions;
+        this.explicit = !!options.explicit;
+        this[kServerSession] = this.explicit ? this.sessionPool.acquire() : null;
+        this[kTxnNumberIncrement] = 0;
+        this.supports = {
+            causalConsistency: options.snapshot !== true && options.causalConsistency !== false
+        };
+        this.clusterTime = options.initialClusterTime;
+        this.operationTime = undefined;
+        this.owner = options.owner;
+        this.defaultTransactionOptions = Object.assign({}, options.defaultTransactionOptions);
+        this.transaction = new transactions_1.Transaction();
+    }
+    /** The server id associated with this session */
+    get id() {
+        var _b;
+        return (_b = this[kServerSession]) === null || _b === void 0 ? void 0 : _b.id;
+    }
+    get serverSession() {
+        let serverSession = this[kServerSession];
+        if (serverSession == null) {
+            if (this.explicit) {
+                throw new error_1.MongoRuntimeError('Unexpected null serverSession for an explicit session');
+            }
+            if (this.hasEnded) {
+                throw new error_1.MongoRuntimeError('Unexpected null serverSession for an ended implicit session');
+            }
+            serverSession = this.sessionPool.acquire();
+            this[kServerSession] = serverSession;
+        }
+        return serverSession;
+    }
+    /** Whether or not this session is configured for snapshot reads */
+    get snapshotEnabled() {
+        return this[kSnapshotEnabled];
+    }
+    get loadBalanced() {
+        var _b;
+        return ((_b = this.client.topology) === null || _b === void 0 ? void 0 : _b.description.type) === common_1.TopologyType.LoadBalanced;
+    }
+    /** @internal */
+    get pinnedConnection() {
+        return this[kPinnedConnection];
+    }
+    /** @internal */
+    pin(conn) {
+        if (this[kPinnedConnection]) {
+            throw TypeError('Cannot pin multiple connections to the same session');
+        }
+        this[kPinnedConnection] = conn;
+        conn.emit(constants_1.PINNED, this.inTransaction() ? metrics_1.ConnectionPoolMetrics.TXN : metrics_1.ConnectionPoolMetrics.CURSOR);
+    }
+    /** @internal */
+    unpin(options) {
+        if (this.loadBalanced) {
+            return maybeClearPinnedConnection(this, options);
+        }
+        this.transaction.unpinServer();
+    }
+    get isPinned() {
+        return this.loadBalanced ? !!this[kPinnedConnection] : this.transaction.isPinned;
+    }
+    endSession(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        const finalOptions = { force: true, ...options };
+        return (0, utils_1.maybePromise)(callback, done => {
+            if (this.hasEnded) {
+                maybeClearPinnedConnection(this, finalOptions);
+                return done();
+            }
+            const completeEndSession = () => {
+                maybeClearPinnedConnection(this, finalOptions);
+                const serverSession = this[kServerSession];
+                if (serverSession != null) {
+                    // release the server session back to the pool
+                    this.sessionPool.release(serverSession);
+                    // Make sure a new serverSession never makes it onto this ClientSession
+                    Object.defineProperty(this, kServerSession, {
+                        value: ServerSession.clone(serverSession),
+                        writable: false
+                    });
+                }
+                // mark the session as ended, and emit a signal
+                this.hasEnded = true;
+                this.emit('ended', this);
+                // spec indicates that we should ignore all errors for `endSessions`
+                done();
+            };
+            if (this.inTransaction()) {
+                // If we've reached endSession and the transaction is still active
+                // by default we abort it
+                this.abortTransaction(err => {
+                    if (err)
+                        return done(err);
+                    completeEndSession();
+                });
+                return;
+            }
+            completeEndSession();
+        });
+    }
+    /**
+     * Advances the operationTime for a ClientSession.
+     *
+     * @param operationTime - the `BSON.Timestamp` of the operation type it is desired to advance to
+     */
+    advanceOperationTime(operationTime) {
+        if (this.operationTime == null) {
+            this.operationTime = operationTime;
+            return;
+        }
+        if (operationTime.greaterThan(this.operationTime)) {
+            this.operationTime = operationTime;
+        }
+    }
+    /**
+     * Advances the clusterTime for a ClientSession to the provided clusterTime of another ClientSession
+     *
+     * @param clusterTime - the $clusterTime returned by the server from another session in the form of a document containing the `BSON.Timestamp` clusterTime and signature
+     */
+    advanceClusterTime(clusterTime) {
+        var _b, _c;
+        if (!clusterTime || typeof clusterTime !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('input cluster time must be an object');
+        }
+        if (!clusterTime.clusterTime || clusterTime.clusterTime._bsontype !== 'Timestamp') {
+            throw new error_1.MongoInvalidArgumentError('input cluster time "clusterTime" property must be a valid BSON Timestamp');
+        }
+        if (!clusterTime.signature ||
+            ((_b = clusterTime.signature.hash) === null || _b === void 0 ? void 0 : _b._bsontype) !== 'Binary' ||
+            (typeof clusterTime.signature.keyId !== 'number' &&
+                ((_c = clusterTime.signature.keyId) === null || _c === void 0 ? void 0 : _c._bsontype) !== 'Long') // apparently we decode the key to number?
+        ) {
+            throw new error_1.MongoInvalidArgumentError('input cluster time must have a valid "signature" property with BSON Binary hash and BSON Long keyId');
+        }
+        (0, common_1._advanceClusterTime)(this, clusterTime);
+    }
+    /**
+     * Used to determine if this session equals another
+     *
+     * @param session - The session to compare to
+     */
+    equals(session) {
+        if (!(session instanceof ClientSession)) {
+            return false;
+        }
+        if (this.id == null || session.id == null) {
+            return false;
+        }
+        return this.id.id.buffer.equals(session.id.id.buffer);
+    }
+    /**
+     * Increment the transaction number on the internal ServerSession
+     *
+     * @privateRemarks
+     * This helper increments a value stored on the client session that will be
+     * added to the serverSession's txnNumber upon applying it to a command.
+     * This is because the serverSession is lazily acquired after a connection is obtained
+     */
+    incrementTransactionNumber() {
+        this[kTxnNumberIncrement] += 1;
+    }
+    /** @returns whether this session is currently in a transaction or not */
+    inTransaction() {
+        return this.transaction.isActive;
+    }
+    /**
+     * Starts a new transaction with the given options.
+     *
+     * @param options - Options for the transaction
+     */
+    startTransaction(options) {
+        var _b, _c, _d, _e, _f, _g, _h, _j, _k, _l;
+        if (this[kSnapshotEnabled]) {
+            throw new error_1.MongoCompatibilityError('Transactions are not supported in snapshot sessions');
+        }
+        if (this.inTransaction()) {
+            throw new error_1.MongoTransactionError('Transaction already in progress');
+        }
+        if (this.isPinned && this.transaction.isCommitted) {
+            this.unpin();
+        }
+        const topologyMaxWireVersion = (0, utils_1.maxWireVersion)(this.client.topology);
+        if ((0, shared_1.isSharded)(this.client.topology) &&
+            topologyMaxWireVersion != null &&
+            topologyMaxWireVersion < minWireVersionForShardedTransactions) {
+            throw new error_1.MongoCompatibilityError('Transactions are not supported on sharded clusters in MongoDB < 4.2.');
+        }
+        // increment txnNumber
+        this.incrementTransactionNumber();
+        // create transaction state
+        this.transaction = new transactions_1.Transaction({
+            readConcern: (_c = (_b = options === null || options === void 0 ? void 0 : options.readConcern) !== null && _b !== void 0 ? _b : this.defaultTransactionOptions.readConcern) !== null && _c !== void 0 ? _c : (_d = this.clientOptions) === null || _d === void 0 ? void 0 : _d.readConcern,
+            writeConcern: (_f = (_e = options === null || options === void 0 ? void 0 : options.writeConcern) !== null && _e !== void 0 ? _e : this.defaultTransactionOptions.writeConcern) !== null && _f !== void 0 ? _f : (_g = this.clientOptions) === null || _g === void 0 ? void 0 : _g.writeConcern,
+            readPreference: (_j = (_h = options === null || options === void 0 ? void 0 : options.readPreference) !== null && _h !== void 0 ? _h : this.defaultTransactionOptions.readPreference) !== null && _j !== void 0 ? _j : (_k = this.clientOptions) === null || _k === void 0 ? void 0 : _k.readPreference,
+            maxCommitTimeMS: (_l = options === null || options === void 0 ? void 0 : options.maxCommitTimeMS) !== null && _l !== void 0 ? _l : this.defaultTransactionOptions.maxCommitTimeMS
+        });
+        this.transaction.transition(transactions_1.TxnState.STARTING_TRANSACTION);
+    }
+    commitTransaction(callback) {
+        return (0, utils_1.maybePromise)(callback, cb => endTransaction(this, 'commitTransaction', cb));
+    }
+    abortTransaction(callback) {
+        return (0, utils_1.maybePromise)(callback, cb => endTransaction(this, 'abortTransaction', cb));
+    }
+    /**
+     * This is here to ensure that ClientSession is never serialized to BSON.
+     */
+    toBSON() {
+        throw new error_1.MongoRuntimeError('ClientSession cannot be serialized to BSON.');
+    }
+    /**
+     * Runs a provided callback within a transaction, retrying either the commitTransaction operation
+     * or entire transaction as needed (and when the error permits) to better ensure that
+     * the transaction can complete successfully.
+     *
+     * **IMPORTANT:** This method requires the user to return a Promise, and `await` all operations.
+     * Any callbacks that do not return a Promise will result in undefined behavior.
+     *
+     * @remarks
+     * This function:
+     * - Will return the command response from the final commitTransaction if every operation is successful (can be used as a truthy object)
+     * - Will return `undefined` if the transaction is explicitly aborted with `await session.abortTransaction()`
+     * - Will throw if one of the operations throws or `throw` statement is used inside the `withTransaction` callback
+     *
+     * Checkout a descriptive example here:
+     * @see https://www.mongodb.com/developer/quickstart/node-transactions/
+     *
+     * @param fn - callback to run within a transaction
+     * @param options - optional settings for the transaction
+     * @returns A raw command response or undefined
+     */
+    withTransaction(fn, options) {
+        const startTime = (0, utils_1.now)();
+        return attemptTransaction(this, startTime, fn, options);
+    }
+}
+exports.ClientSession = ClientSession;
+_a = kSnapshotEnabled;
+const MAX_WITH_TRANSACTION_TIMEOUT = 120000;
+const NON_DETERMINISTIC_WRITE_CONCERN_ERRORS = new Set([
+    'CannotSatisfyWriteConcern',
+    'UnknownReplWriteConcern',
+    'UnsatisfiableWriteConcern'
+]);
+function hasNotTimedOut(startTime, max) {
+    return (0, utils_1.calculateDurationInMs)(startTime) < max;
+}
+function isUnknownTransactionCommitResult(err) {
+    const isNonDeterministicWriteConcernError = err instanceof error_1.MongoServerError &&
+        err.codeName &&
+        NON_DETERMINISTIC_WRITE_CONCERN_ERRORS.has(err.codeName);
+    return (isMaxTimeMSExpiredError(err) ||
+        (!isNonDeterministicWriteConcernError &&
+            err.code !== error_1.MONGODB_ERROR_CODES.UnsatisfiableWriteConcern &&
+            err.code !== error_1.MONGODB_ERROR_CODES.UnknownReplWriteConcern));
+}
+function maybeClearPinnedConnection(session, options) {
+    // unpin a connection if it has been pinned
+    const conn = session[kPinnedConnection];
+    const error = options === null || options === void 0 ? void 0 : options.error;
+    if (session.inTransaction() &&
+        error &&
+        error instanceof error_1.MongoError &&
+        error.hasErrorLabel(error_1.MongoErrorLabel.TransientTransactionError)) {
+        return;
+    }
+    const topology = session.client.topology;
+    // NOTE: the spec talks about what to do on a network error only, but the tests seem to
+    //       to validate that we don't unpin on _all_ errors?
+    if (conn && topology != null) {
+        const servers = Array.from(topology.s.servers.values());
+        const loadBalancer = servers[0];
+        if ((options === null || options === void 0 ? void 0 : options.error) == null || (options === null || options === void 0 ? void 0 : options.force)) {
+            loadBalancer.s.pool.checkIn(conn);
+            conn.emit(constants_1.UNPINNED, session.transaction.state !== transactions_1.TxnState.NO_TRANSACTION
+                ? metrics_1.ConnectionPoolMetrics.TXN
+                : metrics_1.ConnectionPoolMetrics.CURSOR);
+            if (options === null || options === void 0 ? void 0 : options.forceClear) {
+                loadBalancer.s.pool.clear(conn.serviceId);
+            }
+        }
+        session[kPinnedConnection] = undefined;
+    }
+}
+exports.maybeClearPinnedConnection = maybeClearPinnedConnection;
+function isMaxTimeMSExpiredError(err) {
+    if (err == null || !(err instanceof error_1.MongoServerError)) {
+        return false;
+    }
+    return (err.code === error_1.MONGODB_ERROR_CODES.MaxTimeMSExpired ||
+        (err.writeConcernError && err.writeConcernError.code === error_1.MONGODB_ERROR_CODES.MaxTimeMSExpired));
+}
+function attemptTransactionCommit(session, startTime, fn, options) {
+    return session.commitTransaction().catch((err) => {
+        if (err instanceof error_1.MongoError &&
+            hasNotTimedOut(startTime, MAX_WITH_TRANSACTION_TIMEOUT) &&
+            !isMaxTimeMSExpiredError(err)) {
+            if (err.hasErrorLabel(error_1.MongoErrorLabel.UnknownTransactionCommitResult)) {
+                return attemptTransactionCommit(session, startTime, fn, options);
+            }
+            if (err.hasErrorLabel(error_1.MongoErrorLabel.TransientTransactionError)) {
+                return attemptTransaction(session, startTime, fn, options);
+            }
+        }
+        throw err;
+    });
+}
+const USER_EXPLICIT_TXN_END_STATES = new Set([
+    transactions_1.TxnState.NO_TRANSACTION,
+    transactions_1.TxnState.TRANSACTION_COMMITTED,
+    transactions_1.TxnState.TRANSACTION_ABORTED
+]);
+function userExplicitlyEndedTransaction(session) {
+    return USER_EXPLICIT_TXN_END_STATES.has(session.transaction.state);
+}
+function attemptTransaction(session, startTime, fn, options) {
+    var _b;
+    session.startTransaction(options);
+    let promise;
+    try {
+        promise = fn(session);
+    }
+    catch (err) {
+        const PromiseConstructor = (_b = promise_provider_1.PromiseProvider.get()) !== null && _b !== void 0 ? _b : Promise;
+        promise = PromiseConstructor.reject(err);
+    }
+    if (!(0, utils_1.isPromiseLike)(promise)) {
+        session.abortTransaction().catch(() => null);
+        throw new error_1.MongoInvalidArgumentError('Function provided to `withTransaction` must return a Promise');
+    }
+    return promise.then(() => {
+        if (userExplicitlyEndedTransaction(session)) {
+            return;
+        }
+        return attemptTransactionCommit(session, startTime, fn, options);
+    }, err => {
+        function maybeRetryOrThrow(err) {
+            if (err instanceof error_1.MongoError &&
+                err.hasErrorLabel(error_1.MongoErrorLabel.TransientTransactionError) &&
+                hasNotTimedOut(startTime, MAX_WITH_TRANSACTION_TIMEOUT)) {
+                return attemptTransaction(session, startTime, fn, options);
+            }
+            if (isMaxTimeMSExpiredError(err)) {
+                err.addErrorLabel(error_1.MongoErrorLabel.UnknownTransactionCommitResult);
+            }
+            throw err;
+        }
+        if (session.inTransaction()) {
+            return session.abortTransaction().then(() => maybeRetryOrThrow(err));
+        }
+        return maybeRetryOrThrow(err);
+    });
+}
+function endTransaction(session, commandName, callback) {
+    // handle any initial problematic cases
+    const txnState = session.transaction.state;
+    if (txnState === transactions_1.TxnState.NO_TRANSACTION) {
+        callback(new error_1.MongoTransactionError('No transaction started'));
+        return;
+    }
+    if (commandName === 'commitTransaction') {
+        if (txnState === transactions_1.TxnState.STARTING_TRANSACTION ||
+            txnState === transactions_1.TxnState.TRANSACTION_COMMITTED_EMPTY) {
+            // the transaction was never started, we can safely exit here
+            session.transaction.transition(transactions_1.TxnState.TRANSACTION_COMMITTED_EMPTY);
+            callback();
+            return;
+        }
+        if (txnState === transactions_1.TxnState.TRANSACTION_ABORTED) {
+            callback(new error_1.MongoTransactionError('Cannot call commitTransaction after calling abortTransaction'));
+            return;
+        }
+    }
+    else {
+        if (txnState === transactions_1.TxnState.STARTING_TRANSACTION) {
+            // the transaction was never started, we can safely exit here
+            session.transaction.transition(transactions_1.TxnState.TRANSACTION_ABORTED);
+            callback();
+            return;
+        }
+        if (txnState === transactions_1.TxnState.TRANSACTION_ABORTED) {
+            callback(new error_1.MongoTransactionError('Cannot call abortTransaction twice'));
+            return;
+        }
+        if (txnState === transactions_1.TxnState.TRANSACTION_COMMITTED ||
+            txnState === transactions_1.TxnState.TRANSACTION_COMMITTED_EMPTY) {
+            callback(new error_1.MongoTransactionError('Cannot call abortTransaction after calling commitTransaction'));
+            return;
+        }
+    }
+    // construct and send the command
+    const command = { [commandName]: 1 };
+    // apply a writeConcern if specified
+    let writeConcern;
+    if (session.transaction.options.writeConcern) {
+        writeConcern = Object.assign({}, session.transaction.options.writeConcern);
+    }
+    else if (session.clientOptions && session.clientOptions.writeConcern) {
+        writeConcern = { w: session.clientOptions.writeConcern.w };
+    }
+    if (txnState === transactions_1.TxnState.TRANSACTION_COMMITTED) {
+        writeConcern = Object.assign({ wtimeout: 10000 }, writeConcern, { w: 'majority' });
+    }
+    if (writeConcern) {
+        Object.assign(command, { writeConcern });
+    }
+    if (commandName === 'commitTransaction' && session.transaction.options.maxTimeMS) {
+        Object.assign(command, { maxTimeMS: session.transaction.options.maxTimeMS });
+    }
+    function commandHandler(error, result) {
+        if (commandName !== 'commitTransaction') {
+            session.transaction.transition(transactions_1.TxnState.TRANSACTION_ABORTED);
+            if (session.loadBalanced) {
+                maybeClearPinnedConnection(session, { force: false });
+            }
+            // The spec indicates that we should ignore all errors on `abortTransaction`
+            return callback();
+        }
+        session.transaction.transition(transactions_1.TxnState.TRANSACTION_COMMITTED);
+        if (error instanceof error_1.MongoError) {
+            if (error.hasErrorLabel(error_1.MongoErrorLabel.RetryableWriteError) ||
+                error instanceof error_1.MongoWriteConcernError ||
+                isMaxTimeMSExpiredError(error)) {
+                if (isUnknownTransactionCommitResult(error)) {
+                    error.addErrorLabel(error_1.MongoErrorLabel.UnknownTransactionCommitResult);
+                    // per txns spec, must unpin session in this case
+                    session.unpin({ error });
+                }
+            }
+            else if (error.hasErrorLabel(error_1.MongoErrorLabel.TransientTransactionError)) {
+                session.unpin({ error });
+            }
+        }
+        callback(error, result);
+    }
+    if (session.transaction.recoveryToken) {
+        command.recoveryToken = session.transaction.recoveryToken;
+    }
+    // send the command
+    (0, execute_operation_1.executeOperation)(session.client, new run_command_1.RunAdminCommandOperation(undefined, command, {
+        session,
+        readPreference: read_preference_1.ReadPreference.primary,
+        bypassPinningCheck: true
+    }), (error, result) => {
+        if (command.abortTransaction) {
+            // always unpin on abort regardless of command outcome
+            session.unpin();
+        }
+        if (error instanceof error_1.MongoError && error.hasErrorLabel(error_1.MongoErrorLabel.RetryableWriteError)) {
+            // SPEC-1185: apply majority write concern when retrying commitTransaction
+            if (command.commitTransaction) {
+                // per txns spec, must unpin session in this case
+                session.unpin({ force: true });
+                command.writeConcern = Object.assign({ wtimeout: 10000 }, command.writeConcern, {
+                    w: 'majority'
+                });
+            }
+            return (0, execute_operation_1.executeOperation)(session.client, new run_command_1.RunAdminCommandOperation(undefined, command, {
+                session,
+                readPreference: read_preference_1.ReadPreference.primary,
+                bypassPinningCheck: true
+            }), commandHandler);
+        }
+        commandHandler(error, result);
+    });
+}
+/**
+ * Reflects the existence of a session on the server. Can be reused by the session pool.
+ * WARNING: not meant to be instantiated directly. For internal use only.
+ * @public
+ */
+class ServerSession {
+    /** @internal */
+    constructor() {
+        this.id = { id: new bson_1.Binary((0, utils_1.uuidV4)(), bson_1.Binary.SUBTYPE_UUID) };
+        this.lastUse = (0, utils_1.now)();
+        this.txnNumber = 0;
+        this.isDirty = false;
+    }
+    /**
+     * Determines if the server session has timed out.
+     *
+     * @param sessionTimeoutMinutes - The server's "logicalSessionTimeoutMinutes"
+     */
+    hasTimedOut(sessionTimeoutMinutes) {
+        // Take the difference of the lastUse timestamp and now, which will result in a value in
+        // milliseconds, and then convert milliseconds to minutes to compare to `sessionTimeoutMinutes`
+        const idleTimeMinutes = Math.round((((0, utils_1.calculateDurationInMs)(this.lastUse) % 86400000) % 3600000) / 60000);
+        return idleTimeMinutes > sessionTimeoutMinutes - 1;
+    }
+    /**
+     * @internal
+     * Cloning meant to keep a readable reference to the server session data
+     * after ClientSession has ended
+     */
+    static clone(serverSession) {
+        const arrayBuffer = new ArrayBuffer(16);
+        const idBytes = Buffer.from(arrayBuffer);
+        idBytes.set(serverSession.id.id.buffer);
+        const id = new bson_1.Binary(idBytes, serverSession.id.id.sub_type);
+        // Manual prototype construction to avoid modifying the constructor of this class
+        return Object.setPrototypeOf({
+            id: { id },
+            lastUse: serverSession.lastUse,
+            txnNumber: serverSession.txnNumber,
+            isDirty: serverSession.isDirty
+        }, ServerSession.prototype);
+    }
+}
+exports.ServerSession = ServerSession;
+/**
+ * Maintains a pool of Server Sessions.
+ * For internal use only
+ * @internal
+ */
+class ServerSessionPool {
+    constructor(client) {
+        if (client == null) {
+            throw new error_1.MongoRuntimeError('ServerSessionPool requires a MongoClient');
+        }
+        this.client = client;
+        this.sessions = [];
+    }
+    /**
+     * Acquire a Server Session from the pool.
+     * Iterates through each session in the pool, removing any stale sessions
+     * along the way. The first non-stale session found is removed from the
+     * pool and returned. If no non-stale session is found, a new ServerSession is created.
+     */
+    acquire() {
+        var _b, _c, _d;
+        const sessionTimeoutMinutes = (_c = (_b = this.client.topology) === null || _b === void 0 ? void 0 : _b.logicalSessionTimeoutMinutes) !== null && _c !== void 0 ? _c : 10;
+        let session = null;
+        // Try to obtain from session pool
+        while (this.sessions.length > 0) {
+            const potentialSession = this.sessions.shift();
+            if (potentialSession != null &&
+                (!!((_d = this.client.topology) === null || _d === void 0 ? void 0 : _d.loadBalanced) ||
+                    !potentialSession.hasTimedOut(sessionTimeoutMinutes))) {
+                session = potentialSession;
+                break;
+            }
+        }
+        // If nothing valid came from the pool make a new one
+        if (session == null) {
+            session = new ServerSession();
+        }
+        return session;
+    }
+    /**
+     * Release a session to the session pool
+     * Adds the session back to the session pool if the session has not timed out yet.
+     * This method also removes any stale sessions from the pool.
+     *
+     * @param session - The session to release to the pool
+     */
+    release(session) {
+        var _b, _c, _d;
+        const sessionTimeoutMinutes = (_c = (_b = this.client.topology) === null || _b === void 0 ? void 0 : _b.logicalSessionTimeoutMinutes) !== null && _c !== void 0 ? _c : 10;
+        if (((_d = this.client.topology) === null || _d === void 0 ? void 0 : _d.loadBalanced) && !sessionTimeoutMinutes) {
+            this.sessions.unshift(session);
+        }
+        if (!sessionTimeoutMinutes) {
+            return;
+        }
+        while (this.sessions.length) {
+            const pooledSession = this.sessions[this.sessions.length - 1];
+            if (pooledSession.hasTimedOut(sessionTimeoutMinutes)) {
+                this.sessions.pop();
+            }
+            else {
+                break;
+            }
+        }
+        if (!session.hasTimedOut(sessionTimeoutMinutes)) {
+            if (session.isDirty) {
+                return;
+            }
+            // otherwise, readd this session to the session pool
+            this.sessions.unshift(session);
+        }
+    }
+}
+exports.ServerSessionPool = ServerSessionPool;
+/**
+ * Optionally decorate a command with sessions specific keys
+ *
+ * @param session - the session tracking transaction state
+ * @param command - the command to decorate
+ * @param options - Optional settings passed to calling operation
+ *
+ * @internal
+ */
+function applySession(session, command, options) {
+    var _b, _c;
+    if (session.hasEnded) {
+        return new error_1.MongoExpiredSessionError();
+    }
+    // May acquire serverSession here
+    const serverSession = session.serverSession;
+    if (serverSession == null) {
+        return new error_1.MongoRuntimeError('Unable to acquire server session');
+    }
+    if (((_b = options.writeConcern) === null || _b === void 0 ? void 0 : _b.w) === 0) {
+        if (session && session.explicit) {
+            // Error if user provided an explicit session to an unacknowledged write (SPEC-1019)
+            return new error_1.MongoAPIError('Cannot have explicit session with unacknowledged writes');
+        }
+        return;
+    }
+    // mark the last use of this session, and apply the `lsid`
+    serverSession.lastUse = (0, utils_1.now)();
+    command.lsid = serverSession.id;
+    const inTxnOrTxnCommand = session.inTransaction() || (0, transactions_1.isTransactionCommand)(command);
+    const isRetryableWrite = !!options.willRetryWrite;
+    if (isRetryableWrite || inTxnOrTxnCommand) {
+        serverSession.txnNumber += session[kTxnNumberIncrement];
+        session[kTxnNumberIncrement] = 0;
+        // TODO(NODE-2674): Preserve int64 sent from MongoDB
+        command.txnNumber = bson_1.Long.fromNumber(serverSession.txnNumber);
+    }
+    if (!inTxnOrTxnCommand) {
+        if (session.transaction.state !== transactions_1.TxnState.NO_TRANSACTION) {
+            session.transaction.transition(transactions_1.TxnState.NO_TRANSACTION);
+        }
+        if (session.supports.causalConsistency &&
+            session.operationTime &&
+            (0, utils_1.commandSupportsReadConcern)(command, options)) {
+            command.readConcern = command.readConcern || {};
+            Object.assign(command.readConcern, { afterClusterTime: session.operationTime });
+        }
+        else if (session[kSnapshotEnabled]) {
+            command.readConcern = command.readConcern || { level: read_concern_1.ReadConcernLevel.snapshot };
+            if (session[kSnapshotTime] != null) {
+                Object.assign(command.readConcern, { atClusterTime: session[kSnapshotTime] });
+            }
+        }
+        return;
+    }
+    // now attempt to apply transaction-specific sessions data
+    // `autocommit` must always be false to differentiate from retryable writes
+    command.autocommit = false;
+    if (session.transaction.state === transactions_1.TxnState.STARTING_TRANSACTION) {
+        session.transaction.transition(transactions_1.TxnState.TRANSACTION_IN_PROGRESS);
+        command.startTransaction = true;
+        const readConcern = session.transaction.options.readConcern || ((_c = session === null || session === void 0 ? void 0 : session.clientOptions) === null || _c === void 0 ? void 0 : _c.readConcern);
+        if (readConcern) {
+            command.readConcern = readConcern;
+        }
+        if (session.supports.causalConsistency && session.operationTime) {
+            command.readConcern = command.readConcern || {};
+            Object.assign(command.readConcern, { afterClusterTime: session.operationTime });
+        }
+    }
+    return;
+}
+exports.applySession = applySession;
+function updateSessionFromResponse(session, document) {
+    var _b;
+    if (document.$clusterTime) {
+        (0, common_1._advanceClusterTime)(session, document.$clusterTime);
+    }
+    if (document.operationTime && session && session.supports.causalConsistency) {
+        session.advanceOperationTime(document.operationTime);
+    }
+    if (document.recoveryToken && session && session.inTransaction()) {
+        session.transaction._recoveryToken = document.recoveryToken;
+    }
+    if ((session === null || session === void 0 ? void 0 : session[kSnapshotEnabled]) && session[kSnapshotTime] == null) {
+        // find and aggregate commands return atClusterTime on the cursor
+        // distinct includes it in the response body
+        const atClusterTime = ((_b = document.cursor) === null || _b === void 0 ? void 0 : _b.atClusterTime) || document.atClusterTime;
+        if (atClusterTime) {
+            session[kSnapshotTime] = atClusterTime;
+        }
+    }
+}
+exports.updateSessionFromResponse = updateSessionFromResponse;
+//# sourceMappingURL=sessions.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sessions.js.map b/node_modules/mongodb/lib/sessions.js.map
new file mode 100644
index 000000000..9d769a87c
--- /dev/null
+++ b/node_modules/mongodb/lib/sessions.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sort.js b/node_modules/mongodb/lib/sort.js
new file mode 100644
index 000000000..c04b6b54c
--- /dev/null
+++ b/node_modules/mongodb/lib/sort.js
@@ -0,0 +1,97 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.formatSort = void 0;
+const error_1 = require("./error");
+/** @internal */
+function prepareDirection(direction = 1) {
+    const value = `${direction}`.toLowerCase();
+    if (isMeta(direction))
+        return direction;
+    switch (value) {
+        case 'ascending':
+        case 'asc':
+        case '1':
+            return 1;
+        case 'descending':
+        case 'desc':
+        case '-1':
+            return -1;
+        default:
+            throw new error_1.MongoInvalidArgumentError(`Invalid sort direction: ${JSON.stringify(direction)}`);
+    }
+}
+/** @internal */
+function isMeta(t) {
+    return typeof t === 'object' && t != null && '$meta' in t && typeof t.$meta === 'string';
+}
+/** @internal */
+function isPair(t) {
+    if (Array.isArray(t) && t.length === 2) {
+        try {
+            prepareDirection(t[1]);
+            return true;
+        }
+        catch (e) {
+            return false;
+        }
+    }
+    return false;
+}
+function isDeep(t) {
+    return Array.isArray(t) && Array.isArray(t[0]);
+}
+function isMap(t) {
+    return t instanceof Map && t.size > 0;
+}
+/** @internal */
+function pairToMap(v) {
+    return new Map([[`${v[0]}`, prepareDirection([v[1]])]]);
+}
+/** @internal */
+function deepToMap(t) {
+    const sortEntries = t.map(([k, v]) => [`${k}`, prepareDirection(v)]);
+    return new Map(sortEntries);
+}
+/** @internal */
+function stringsToMap(t) {
+    const sortEntries = t.map(key => [`${key}`, 1]);
+    return new Map(sortEntries);
+}
+/** @internal */
+function objectToMap(t) {
+    const sortEntries = Object.entries(t).map(([k, v]) => [
+        `${k}`,
+        prepareDirection(v)
+    ]);
+    return new Map(sortEntries);
+}
+/** @internal */
+function mapToMap(t) {
+    const sortEntries = Array.from(t).map(([k, v]) => [
+        `${k}`,
+        prepareDirection(v)
+    ]);
+    return new Map(sortEntries);
+}
+/** converts a Sort type into a type that is valid for the server (SortForCmd) */
+function formatSort(sort, direction) {
+    if (sort == null)
+        return undefined;
+    if (typeof sort === 'string')
+        return new Map([[sort, prepareDirection(direction)]]);
+    if (typeof sort !== 'object') {
+        throw new error_1.MongoInvalidArgumentError(`Invalid sort format: ${JSON.stringify(sort)} Sort must be a valid object`);
+    }
+    if (!Array.isArray(sort)) {
+        return isMap(sort) ? mapToMap(sort) : Object.keys(sort).length ? objectToMap(sort) : undefined;
+    }
+    if (!sort.length)
+        return undefined;
+    if (isDeep(sort))
+        return deepToMap(sort);
+    if (isPair(sort))
+        return pairToMap(sort);
+    return stringsToMap(sort);
+}
+exports.formatSort = formatSort;
+//# sourceMappingURL=sort.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/sort.js.map b/node_modules/mongodb/lib/sort.js.map
new file mode 100644
index 000000000..4072af4c8
--- /dev/null
+++ b/node_modules/mongodb/lib/sort.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"sort.js","sourceRoot":"","sources":["../src/sort.ts"],"names":[],"mappings":";;;AAAA,mCAAoD;AAiCpD,gBAAgB;AAChB,SAAS,gBAAgB,CAAC,YAAiB,CAAC;IAC1C,MAAM,KAAK,GAAG,GAAG,SAAS,EAAE,CAAC,WAAW,EAAE,CAAC;IAC3C,IAAI,MAAM,CAAC,SAAS,CAAC;QAAE,OAAO,SAAS,CAAC;IACxC,QAAQ,KAAK,EAAE;QACb,KAAK,WAAW,CAAC;QACjB,KAAK,KAAK,CAAC;QACX,KAAK,GAAG;YACN,OAAO,CAAC,CAAC;QACX,KAAK,YAAY,CAAC;QAClB,KAAK,MAAM,CAAC;QACZ,KAAK,IAAI;YACP,OAAO,CAAC,CAAC,CAAC;QACZ;YACE,MAAM,IAAI,iCAAyB,CAAC,2BAA2B,IAAI,CAAC,SAAS,CAAC,SAAS,CAAC,EAAE,CAAC,CAAC;KAC/F;AACH,CAAC;AAED,gBAAgB;AAChB,SAAS,MAAM,CAAC,CAAgB;IAC9B,OAAO,OAAO,CAAC,KAAK,QAAQ,IAAI,CAAC,IAAI,IAAI,IAAI,OAAO,IAAI,CAAC,IAAI,OAAO,CAAC,CAAC,KAAK,KAAK,QAAQ,CAAC;AAC3F,CAAC;AAED,gBAAgB;AAChB,SAAS,MAAM,CAAC,CAAO;IACrB,IAAI,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC,MAAM,KAAK,CAAC,EAAE;QACtC,IAAI;YACF,gBAAgB,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;YACvB,OAAO,IAAI,CAAC;SACb;QAAC,OAAO,CAAC,EAAE;YACV,OAAO,KAAK,CAAC;SACd;KACF;IACD,OAAO,KAAK,CAAC;AACf,CAAC;AAED,SAAS,MAAM,CAAC,CAAO;IACrB,OAAO,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,IAAI,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;AACjD,CAAC;AAED,SAAS,KAAK,CAAC,CAAO;IACpB,OAAO,CAAC,YAAY,GAAG,IAAI,CAAC,CAAC,IAAI,GAAG,CAAC,CAAC;AACxC,CAAC;AAED,gBAAgB;AAChB,SAAS,SAAS,CAAC,CAA0B;IAC3C,OAAO,IAAI,GAAG,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,EAAE,EAAE,gBAAgB,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;AAC1D,CAAC;AAED,gBAAgB;AAChB,SAAS,SAAS,CAAC,CAA4B;IAC7C,MAAM,WAAW,GAAqB,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,GAAG,CAAC,EAAE,EAAE,gBAAgB,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;IACvF,OAAO,IAAI,GAAG,CAAC,WAAW,CAAC,CAAC;AAC9B,CAAC;AAED,gBAAgB;AAChB,SAAS,YAAY,CAAC,CAAW;IAC/B,MAAM,WAAW,GAAqB,CAAC,CAAC,GAAG,CAAC,GAAG,CAAC,EAAE,CAAC,CAAC,GAAG,GAAG,EAAE,EAAE,CAAC,CAAC,CAAC,CAAC;IAClE,OAAO,IAAI,GAAG,CAAC,WAAW,CAAC,CAAC;AAC9B,CAAC;AAED,gBAAgB;AAChB,SAAS,WAAW,CAAC,CAAmC;IACtD,MAAM,WAAW,GAAqB,MAAM,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,EAAE,EAAE,CAAC;QACtE,GAAG,CAAC,EAAE;QACN,gBAAgB,CAAC,CAAC,CAAC;KACpB,CAAC,CAAC;IACH,OAAO,IAAI,GAAG,CAAC,WAAW,CAAC,CAAC;AAC9B,CAAC;AAED,gBAAgB;AAChB,SAAS,QAAQ,CAAC,CAA6B;IAC7C,MAAM,WAAW,GAAqB,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,EAAE,EAAE,CAAC;QAClE,GAAG,CAAC,EAAE;QACN,gBAAgB,CAAC,CAAC,CAAC;KACpB,CAAC,CAAC;IACH,OAAO,IAAI,GAAG,CAAC,WAAW,CAAC,CAAC;AAC9B,CAAC;AAED,iFAAiF;AACjF,SAAgB,UAAU,CACxB,IAAsB,EACtB,SAAyB;IAEzB,IAAI,IAAI,IAAI,IAAI;QAAE,OAAO,SAAS,CAAC;IACnC,IAAI,OAAO,IAAI,KAAK,QAAQ;QAAE,OAAO,IAAI,GAAG,CAAC,CAAC,CAAC,IAAI,EAAE,gBAAgB,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC,CAAC;IACpF,IAAI,OAAO,IAAI,KAAK,QAAQ,EAAE;QAC5B,MAAM,IAAI,iCAAyB,CACjC,wBAAwB,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,8BAA8B,CAC3E,CAAC;KACH;IACD,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE;QACxB,OAAO,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,MAAM,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,WAAW,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,SAAS,CAAC;KAChG;IACD,IAAI,CAAC,IAAI,CAAC,MAAM;QAAE,OAAO,SAAS,CAAC;IACnC,IAAI,MAAM,CAAC,IAAI,CAAC;QAAE,OAAO,SAAS,CAAC,IAAI,CAAC,CAAC;IACzC,IAAI,MAAM,CAAC,IAAI,CAAC;QAAE,OAAO,SAAS,CAAC,IAAI,CAAC,CAAC;IACzC,OAAO,YAAY,CAAC,IAAI,CAAC,CAAC;AAC5B,CAAC;AAlBD,gCAkBC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/transactions.js b/node_modules/mongodb/lib/transactions.js
new file mode 100644
index 000000000..4982eb449
--- /dev/null
+++ b/node_modules/mongodb/lib/transactions.js
@@ -0,0 +1,138 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isTransactionCommand = exports.Transaction = exports.TxnState = void 0;
+const error_1 = require("./error");
+const read_concern_1 = require("./read_concern");
+const read_preference_1 = require("./read_preference");
+const write_concern_1 = require("./write_concern");
+/** @internal */
+exports.TxnState = Object.freeze({
+    NO_TRANSACTION: 'NO_TRANSACTION',
+    STARTING_TRANSACTION: 'STARTING_TRANSACTION',
+    TRANSACTION_IN_PROGRESS: 'TRANSACTION_IN_PROGRESS',
+    TRANSACTION_COMMITTED: 'TRANSACTION_COMMITTED',
+    TRANSACTION_COMMITTED_EMPTY: 'TRANSACTION_COMMITTED_EMPTY',
+    TRANSACTION_ABORTED: 'TRANSACTION_ABORTED'
+});
+const stateMachine = {
+    [exports.TxnState.NO_TRANSACTION]: [exports.TxnState.NO_TRANSACTION, exports.TxnState.STARTING_TRANSACTION],
+    [exports.TxnState.STARTING_TRANSACTION]: [
+        exports.TxnState.TRANSACTION_IN_PROGRESS,
+        exports.TxnState.TRANSACTION_COMMITTED,
+        exports.TxnState.TRANSACTION_COMMITTED_EMPTY,
+        exports.TxnState.TRANSACTION_ABORTED
+    ],
+    [exports.TxnState.TRANSACTION_IN_PROGRESS]: [
+        exports.TxnState.TRANSACTION_IN_PROGRESS,
+        exports.TxnState.TRANSACTION_COMMITTED,
+        exports.TxnState.TRANSACTION_ABORTED
+    ],
+    [exports.TxnState.TRANSACTION_COMMITTED]: [
+        exports.TxnState.TRANSACTION_COMMITTED,
+        exports.TxnState.TRANSACTION_COMMITTED_EMPTY,
+        exports.TxnState.STARTING_TRANSACTION,
+        exports.TxnState.NO_TRANSACTION
+    ],
+    [exports.TxnState.TRANSACTION_ABORTED]: [exports.TxnState.STARTING_TRANSACTION, exports.TxnState.NO_TRANSACTION],
+    [exports.TxnState.TRANSACTION_COMMITTED_EMPTY]: [
+        exports.TxnState.TRANSACTION_COMMITTED_EMPTY,
+        exports.TxnState.NO_TRANSACTION
+    ]
+};
+const ACTIVE_STATES = new Set([
+    exports.TxnState.STARTING_TRANSACTION,
+    exports.TxnState.TRANSACTION_IN_PROGRESS
+]);
+const COMMITTED_STATES = new Set([
+    exports.TxnState.TRANSACTION_COMMITTED,
+    exports.TxnState.TRANSACTION_COMMITTED_EMPTY,
+    exports.TxnState.TRANSACTION_ABORTED
+]);
+/**
+ * @public
+ * A class maintaining state related to a server transaction. Internal Only
+ */
+class Transaction {
+    /** Create a transaction @internal */
+    constructor(options) {
+        options = options !== null && options !== void 0 ? options : {};
+        this.state = exports.TxnState.NO_TRANSACTION;
+        this.options = {};
+        const writeConcern = write_concern_1.WriteConcern.fromOptions(options);
+        if (writeConcern) {
+            if (writeConcern.w === 0) {
+                throw new error_1.MongoTransactionError('Transactions do not support unacknowledged write concern');
+            }
+            this.options.writeConcern = writeConcern;
+        }
+        if (options.readConcern) {
+            this.options.readConcern = read_concern_1.ReadConcern.fromOptions(options);
+        }
+        if (options.readPreference) {
+            this.options.readPreference = read_preference_1.ReadPreference.fromOptions(options);
+        }
+        if (options.maxCommitTimeMS) {
+            this.options.maxTimeMS = options.maxCommitTimeMS;
+        }
+        // TODO: This isn't technically necessary
+        this._pinnedServer = undefined;
+        this._recoveryToken = undefined;
+    }
+    /** @internal */
+    get server() {
+        return this._pinnedServer;
+    }
+    get recoveryToken() {
+        return this._recoveryToken;
+    }
+    get isPinned() {
+        return !!this.server;
+    }
+    /** @returns Whether the transaction has started */
+    get isStarting() {
+        return this.state === exports.TxnState.STARTING_TRANSACTION;
+    }
+    /**
+     * @returns Whether this session is presently in a transaction
+     */
+    get isActive() {
+        return ACTIVE_STATES.has(this.state);
+    }
+    get isCommitted() {
+        return COMMITTED_STATES.has(this.state);
+    }
+    /**
+     * Transition the transaction in the state machine
+     * @internal
+     * @param nextState - The new state to transition to
+     */
+    transition(nextState) {
+        const nextStates = stateMachine[this.state];
+        if (nextStates && nextStates.includes(nextState)) {
+            this.state = nextState;
+            if (this.state === exports.TxnState.NO_TRANSACTION ||
+                this.state === exports.TxnState.STARTING_TRANSACTION ||
+                this.state === exports.TxnState.TRANSACTION_ABORTED) {
+                this.unpinServer();
+            }
+            return;
+        }
+        throw new error_1.MongoRuntimeError(`Attempted illegal state transition from [${this.state}] to [${nextState}]`);
+    }
+    /** @internal */
+    pinServer(server) {
+        if (this.isActive) {
+            this._pinnedServer = server;
+        }
+    }
+    /** @internal */
+    unpinServer() {
+        this._pinnedServer = undefined;
+    }
+}
+exports.Transaction = Transaction;
+function isTransactionCommand(command) {
+    return !!(command.commitTransaction || command.abortTransaction);
+}
+exports.isTransactionCommand = isTransactionCommand;
+//# sourceMappingURL=transactions.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/transactions.js.map b/node_modules/mongodb/lib/transactions.js.map
new file mode 100644
index 000000000..5e261e908
--- /dev/null
+++ b/node_modules/mongodb/lib/transactions.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"transactions.js","sourceRoot":"","sources":["../src/transactions.ts"],"names":[],"mappings":";;;AACA,mCAAmE;AAEnE,iDAA8D;AAC9D,uDAAmD;AAEnD,mDAA+C;AAE/C,gBAAgB;AACH,QAAA,QAAQ,GAAG,MAAM,CAAC,MAAM,CAAC;IACpC,cAAc,EAAE,gBAAgB;IAChC,oBAAoB,EAAE,sBAAsB;IAC5C,uBAAuB,EAAE,yBAAyB;IAClD,qBAAqB,EAAE,uBAAuB;IAC9C,2BAA2B,EAAE,6BAA6B;IAC1D,mBAAmB,EAAE,qBAAqB;CAClC,CAAC,CAAC;AAKZ,MAAM,YAAY,GAAwC;IACxD,CAAC,gBAAQ,CAAC,cAAc,CAAC,EAAE,CAAC,gBAAQ,CAAC,cAAc,EAAE,gBAAQ,CAAC,oBAAoB,CAAC;IACnF,CAAC,gBAAQ,CAAC,oBAAoB,CAAC,EAAE;QAC/B,gBAAQ,CAAC,uBAAuB;QAChC,gBAAQ,CAAC,qBAAqB;QAC9B,gBAAQ,CAAC,2BAA2B;QACpC,gBAAQ,CAAC,mBAAmB;KAC7B;IACD,CAAC,gBAAQ,CAAC,uBAAuB,CAAC,EAAE;QAClC,gBAAQ,CAAC,uBAAuB;QAChC,gBAAQ,CAAC,qBAAqB;QAC9B,gBAAQ,CAAC,mBAAmB;KAC7B;IACD,CAAC,gBAAQ,CAAC,qBAAqB,CAAC,EAAE;QAChC,gBAAQ,CAAC,qBAAqB;QAC9B,gBAAQ,CAAC,2BAA2B;QACpC,gBAAQ,CAAC,oBAAoB;QAC7B,gBAAQ,CAAC,cAAc;KACxB;IACD,CAAC,gBAAQ,CAAC,mBAAmB,CAAC,EAAE,CAAC,gBAAQ,CAAC,oBAAoB,EAAE,gBAAQ,CAAC,cAAc,CAAC;IACxF,CAAC,gBAAQ,CAAC,2BAA2B,CAAC,EAAE;QACtC,gBAAQ,CAAC,2BAA2B;QACpC,gBAAQ,CAAC,cAAc;KACxB;CACF,CAAC;AAEF,MAAM,aAAa,GAAkB,IAAI,GAAG,CAAC;IAC3C,gBAAQ,CAAC,oBAAoB;IAC7B,gBAAQ,CAAC,uBAAuB;CACjC,CAAC,CAAC;AAEH,MAAM,gBAAgB,GAAkB,IAAI,GAAG,CAAC;IAC9C,gBAAQ,CAAC,qBAAqB;IAC9B,gBAAQ,CAAC,2BAA2B;IACpC,gBAAQ,CAAC,mBAAmB;CAC7B,CAAC,CAAC;AAkBH;;;GAGG;AACH,MAAa,WAAW;IAStB,qCAAqC;IACrC,YAAY,OAA4B;QACtC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QACxB,IAAI,CAAC,KAAK,GAAG,gBAAQ,CAAC,cAAc,CAAC;QACrC,IAAI,CAAC,OAAO,GAAG,EAAE,CAAC;QAElB,MAAM,YAAY,GAAG,4BAAY,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;QACvD,IAAI,YAAY,EAAE;YAChB,IAAI,YAAY,CAAC,CAAC,KAAK,CAAC,EAAE;gBACxB,MAAM,IAAI,6BAAqB,CAAC,0DAA0D,CAAC,CAAC;aAC7F;YAED,IAAI,CAAC,OAAO,CAAC,YAAY,GAAG,YAAY,CAAC;SAC1C;QAED,IAAI,OAAO,CAAC,WAAW,EAAE;YACvB,IAAI,CAAC,OAAO,CAAC,WAAW,GAAG,0BAAW,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;SAC7D;QAED,IAAI,OAAO,CAAC,cAAc,EAAE;YAC1B,IAAI,CAAC,OAAO,CAAC,cAAc,GAAG,gCAAc,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;SACnE;QAED,IAAI,OAAO,CAAC,eAAe,EAAE;YAC3B,IAAI,CAAC,OAAO,CAAC,SAAS,GAAG,OAAO,CAAC,eAAe,CAAC;SAClD;QAED,yCAAyC;QACzC,IAAI,CAAC,aAAa,GAAG,SAAS,CAAC;QAC/B,IAAI,CAAC,cAAc,GAAG,SAAS,CAAC;IAClC,CAAC;IAED,gBAAgB;IAChB,IAAI,MAAM;QACR,OAAO,IAAI,CAAC,aAAa,CAAC;IAC5B,CAAC;IAED,IAAI,aAAa;QACf,OAAO,IAAI,CAAC,cAAc,CAAC;IAC7B,CAAC;IAED,IAAI,QAAQ;QACV,OAAO,CAAC,CAAC,IAAI,CAAC,MAAM,CAAC;IACvB,CAAC;IAED,mDAAmD;IACnD,IAAI,UAAU;QACZ,OAAO,IAAI,CAAC,KAAK,KAAK,gBAAQ,CAAC,oBAAoB,CAAC;IACtD,CAAC;IAED;;OAEG;IACH,IAAI,QAAQ;QACV,OAAO,aAAa,CAAC,GAAG,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;IACvC,CAAC;IAED,IAAI,WAAW;QACb,OAAO,gBAAgB,CAAC,GAAG,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;IAC1C,CAAC;IACD;;;;OAIG;IACH,UAAU,CAAC,SAAmB;QAC5B,MAAM,UAAU,GAAG,YAAY,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;QAC5C,IAAI,UAAU,IAAI,UAAU,CAAC,QAAQ,CAAC,SAAS,CAAC,EAAE;YAChD,IAAI,CAAC,KAAK,GAAG,SAAS,CAAC;YACvB,IACE,IAAI,CAAC,KAAK,KAAK,gBAAQ,CAAC,cAAc;gBACtC,IAAI,CAAC,KAAK,KAAK,gBAAQ,CAAC,oBAAoB;gBAC5C,IAAI,CAAC,KAAK,KAAK,gBAAQ,CAAC,mBAAmB,EAC3C;gBACA,IAAI,CAAC,WAAW,EAAE,CAAC;aACpB;YACD,OAAO;SACR;QAED,MAAM,IAAI,yBAAiB,CACzB,4CAA4C,IAAI,CAAC,KAAK,SAAS,SAAS,GAAG,CAC5E,CAAC;IACJ,CAAC;IAED,gBAAgB;IAChB,SAAS,CAAC,MAAc;QACtB,IAAI,IAAI,CAAC,QAAQ,EAAE;YACjB,IAAI,CAAC,aAAa,GAAG,MAAM,CAAC;SAC7B;IACH,CAAC;IAED,gBAAgB;IAChB,WAAW;QACT,IAAI,CAAC,aAAa,GAAG,SAAS,CAAC;IACjC,CAAC;CACF;AAxGD,kCAwGC;AAED,SAAgB,oBAAoB,CAAC,OAAiB;IACpD,OAAO,CAAC,CAAC,CAAC,OAAO,CAAC,iBAAiB,IAAI,OAAO,CAAC,gBAAgB,CAAC,CAAC;AACnE,CAAC;AAFD,oDAEC"}
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/utils.js b/node_modules/mongodb/lib/utils.js
new file mode 100644
index 000000000..1869e397f
--- /dev/null
+++ b/node_modules/mongodb/lib/utils.js
@@ -0,0 +1,1032 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getMongoDBClientEncryption = exports.commandSupportsReadConcern = exports.shuffle = exports.parsePackageVersion = exports.supportsRetryableWrites = exports.enumToString = exports.emitWarningOnce = exports.emitWarning = exports.MONGODB_WARNING_CODE = exports.DEFAULT_PK_FACTORY = exports.HostAddress = exports.BufferPool = exports.deepCopy = exports.isRecord = exports.setDifference = exports.isHello = exports.isSuperset = exports.resolveOptions = exports.hasAtomicOperators = exports.calculateDurationInMs = exports.now = exports.makeClientMetadata = exports.makeStateMachine = exports.errorStrictEqual = exports.arrayStrictEqual = exports.eachAsyncSeries = exports.eachAsync = exports.collationNotSupported = exports.maxWireVersion = exports.uuidV4 = exports.databaseNamespace = exports.maybePromise = exports.makeCounter = exports.MongoDBNamespace = exports.ns = exports.deprecateOptions = exports.defaultMsgHandler = exports.getTopology = exports.decorateWithExplain = exports.decorateWithReadConcern = exports.decorateWithCollation = exports.isPromiseLike = exports.applyWriteConcern = exports.applyRetryableWrites = exports.filterOptions = exports.mergeOptions = exports.isObject = exports.normalizeHintField = exports.checkCollectionName = exports.MAX_JS_INT = void 0;
+exports.compareObjectId = void 0;
+const crypto = require("crypto");
+const os = require("os");
+const url_1 = require("url");
+const bson_1 = require("./bson");
+const constants_1 = require("./cmap/wire_protocol/constants");
+const constants_2 = require("./constants");
+const error_1 = require("./error");
+const promise_provider_1 = require("./promise_provider");
+const read_concern_1 = require("./read_concern");
+const read_preference_1 = require("./read_preference");
+const common_1 = require("./sdam/common");
+const write_concern_1 = require("./write_concern");
+exports.MAX_JS_INT = Number.MAX_SAFE_INTEGER + 1;
+/**
+ * Throws if collectionName is not a valid mongodb collection namespace.
+ * @internal
+ */
+function checkCollectionName(collectionName) {
+    if ('string' !== typeof collectionName) {
+        throw new error_1.MongoInvalidArgumentError('Collection name must be a String');
+    }
+    if (!collectionName || collectionName.indexOf('..') !== -1) {
+        throw new error_1.MongoInvalidArgumentError('Collection names cannot be empty');
+    }
+    if (collectionName.indexOf('$') !== -1 &&
+        collectionName.match(/((^\$cmd)|(oplog\.\$main))/) == null) {
+        // TODO(NODE-3483): Use MongoNamespace static method
+        throw new error_1.MongoInvalidArgumentError("Collection names must not contain '$'");
+    }
+    if (collectionName.match(/^\.|\.$/) != null) {
+        // TODO(NODE-3483): Use MongoNamespace static method
+        throw new error_1.MongoInvalidArgumentError("Collection names must not start or end with '.'");
+    }
+    // Validate that we are not passing 0x00 in the collection name
+    if (collectionName.indexOf('\x00') !== -1) {
+        // TODO(NODE-3483): Use MongoNamespace static method
+        throw new error_1.MongoInvalidArgumentError('Collection names cannot contain a null character');
+    }
+}
+exports.checkCollectionName = checkCollectionName;
+/**
+ * Ensure Hint field is in a shape we expect:
+ * - object of index names mapping to 1 or -1
+ * - just an index name
+ * @internal
+ */
+function normalizeHintField(hint) {
+    let finalHint = undefined;
+    if (typeof hint === 'string') {
+        finalHint = hint;
+    }
+    else if (Array.isArray(hint)) {
+        finalHint = {};
+        hint.forEach(param => {
+            finalHint[param] = 1;
+        });
+    }
+    else if (hint != null && typeof hint === 'object') {
+        finalHint = {};
+        for (const name in hint) {
+            finalHint[name] = hint[name];
+        }
+    }
+    return finalHint;
+}
+exports.normalizeHintField = normalizeHintField;
+const TO_STRING = (object) => Object.prototype.toString.call(object);
+/**
+ * Checks if arg is an Object:
+ * - **NOTE**: the check is based on the `[Symbol.toStringTag]() === 'Object'`
+ * @internal
+ */
+function isObject(arg) {
+    return '[object Object]' === TO_STRING(arg);
+}
+exports.isObject = isObject;
+/** @internal */
+function mergeOptions(target, source) {
+    return { ...target, ...source };
+}
+exports.mergeOptions = mergeOptions;
+/** @internal */
+function filterOptions(options, names) {
+    const filterOptions = {};
+    for (const name in options) {
+        if (names.includes(name)) {
+            filterOptions[name] = options[name];
+        }
+    }
+    // Filtered options
+    return filterOptions;
+}
+exports.filterOptions = filterOptions;
+/**
+ * Applies retryWrites: true to a command if retryWrites is set on the command's database.
+ * @internal
+ *
+ * @param target - The target command to which we will apply retryWrites.
+ * @param db - The database from which we can inherit a retryWrites value.
+ */
+function applyRetryableWrites(target, db) {
+    var _a;
+    if (db && ((_a = db.s.options) === null || _a === void 0 ? void 0 : _a.retryWrites)) {
+        target.retryWrites = true;
+    }
+    return target;
+}
+exports.applyRetryableWrites = applyRetryableWrites;
+/**
+ * Applies a write concern to a command based on well defined inheritance rules, optionally
+ * detecting support for the write concern in the first place.
+ * @internal
+ *
+ * @param target - the target command we will be applying the write concern to
+ * @param sources - sources where we can inherit default write concerns from
+ * @param options - optional settings passed into a command for write concern overrides
+ */
+function applyWriteConcern(target, sources, options) {
+    options = options !== null && options !== void 0 ? options : {};
+    const db = sources.db;
+    const coll = sources.collection;
+    if (options.session && options.session.inTransaction()) {
+        // writeConcern is not allowed within a multi-statement transaction
+        if (target.writeConcern) {
+            delete target.writeConcern;
+        }
+        return target;
+    }
+    const writeConcern = write_concern_1.WriteConcern.fromOptions(options);
+    if (writeConcern) {
+        return Object.assign(target, { writeConcern });
+    }
+    if (coll && coll.writeConcern) {
+        return Object.assign(target, { writeConcern: Object.assign({}, coll.writeConcern) });
+    }
+    if (db && db.writeConcern) {
+        return Object.assign(target, { writeConcern: Object.assign({}, db.writeConcern) });
+    }
+    return target;
+}
+exports.applyWriteConcern = applyWriteConcern;
+/**
+ * Checks if a given value is a Promise
+ *
+ * @typeParam T - The result type of maybePromise
+ * @param maybePromise - An object that could be a promise
+ * @returns true if the provided value is a Promise
+ */
+function isPromiseLike(maybePromise) {
+    return !!maybePromise && typeof maybePromise.then === 'function';
+}
+exports.isPromiseLike = isPromiseLike;
+/**
+ * Applies collation to a given command.
+ * @internal
+ *
+ * @param command - the command on which to apply collation
+ * @param target - target of command
+ * @param options - options containing collation settings
+ */
+function decorateWithCollation(command, target, options) {
+    const capabilities = getTopology(target).capabilities;
+    if (options.collation && typeof options.collation === 'object') {
+        if (capabilities && capabilities.commandsTakeCollation) {
+            command.collation = options.collation;
+        }
+        else {
+            throw new error_1.MongoCompatibilityError(`Current topology does not support collation`);
+        }
+    }
+}
+exports.decorateWithCollation = decorateWithCollation;
+/**
+ * Applies a read concern to a given command.
+ * @internal
+ *
+ * @param command - the command on which to apply the read concern
+ * @param coll - the parent collection of the operation calling this method
+ */
+function decorateWithReadConcern(command, coll, options) {
+    if (options && options.session && options.session.inTransaction()) {
+        return;
+    }
+    const readConcern = Object.assign({}, command.readConcern || {});
+    if (coll.s.readConcern) {
+        Object.assign(readConcern, coll.s.readConcern);
+    }
+    if (Object.keys(readConcern).length > 0) {
+        Object.assign(command, { readConcern: readConcern });
+    }
+}
+exports.decorateWithReadConcern = decorateWithReadConcern;
+/**
+ * Applies an explain to a given command.
+ * @internal
+ *
+ * @param command - the command on which to apply the explain
+ * @param options - the options containing the explain verbosity
+ */
+function decorateWithExplain(command, explain) {
+    if (command.explain) {
+        return command;
+    }
+    return { explain: command, verbosity: explain.verbosity };
+}
+exports.decorateWithExplain = decorateWithExplain;
+/**
+ * A helper function to get the topology from a given provider. Throws
+ * if the topology cannot be found.
+ * @throws MongoNotConnectedError
+ * @internal
+ */
+function getTopology(provider) {
+    // MongoClient or ClientSession or AbstractCursor
+    if ('topology' in provider && provider.topology) {
+        return provider.topology;
+    }
+    else if ('s' in provider && 'client' in provider.s && provider.s.client.topology) {
+        return provider.s.client.topology;
+    }
+    else if ('s' in provider && 'db' in provider.s && provider.s.db.s.client.topology) {
+        return provider.s.db.s.client.topology;
+    }
+    throw new error_1.MongoNotConnectedError('MongoClient must be connected to perform this operation');
+}
+exports.getTopology = getTopology;
+/**
+ * Default message handler for generating deprecation warnings.
+ * @internal
+ *
+ * @param name - function name
+ * @param option - option name
+ * @returns warning message
+ */
+function defaultMsgHandler(name, option) {
+    return `${name} option [${option}] is deprecated and will be removed in a later version.`;
+}
+exports.defaultMsgHandler = defaultMsgHandler;
+/**
+ * Deprecates a given function's options.
+ * @internal
+ *
+ * @param this - the bound class if this is a method
+ * @param config - configuration for deprecation
+ * @param fn - the target function of deprecation
+ * @returns modified function that warns once per deprecated option, and executes original function
+ */
+function deprecateOptions(config, fn) {
+    if (process.noDeprecation === true) {
+        return fn;
+    }
+    const msgHandler = config.msgHandler ? config.msgHandler : defaultMsgHandler;
+    const optionsWarned = new Set();
+    function deprecated(...args) {
+        const options = args[config.optionsIndex];
+        // ensure options is a valid, non-empty object, otherwise short-circuit
+        if (!isObject(options) || Object.keys(options).length === 0) {
+            return fn.bind(this)(...args); // call the function, no change
+        }
+        // interrupt the function call with a warning
+        for (const deprecatedOption of config.deprecatedOptions) {
+            if (deprecatedOption in options && !optionsWarned.has(deprecatedOption)) {
+                optionsWarned.add(deprecatedOption);
+                const msg = msgHandler(config.name, deprecatedOption);
+                emitWarning(msg);
+                if (this && 'getLogger' in this) {
+                    const logger = this.getLogger();
+                    if (logger) {
+                        logger.warn(msg);
+                    }
+                }
+            }
+        }
+        return fn.bind(this)(...args);
+    }
+    // These lines copied from https://github.com/nodejs/node/blob/25e5ae41688676a5fd29b2e2e7602168eee4ceb5/lib/internal/util.js#L73-L80
+    // The wrapper will keep the same prototype as fn to maintain prototype chain
+    Object.setPrototypeOf(deprecated, fn);
+    if (fn.prototype) {
+        // Setting this (rather than using Object.setPrototype, as above) ensures
+        // that calling the unwrapped constructor gives an instanceof the wrapped
+        // constructor.
+        deprecated.prototype = fn.prototype;
+    }
+    return deprecated;
+}
+exports.deprecateOptions = deprecateOptions;
+/** @internal */
+function ns(ns) {
+    return MongoDBNamespace.fromString(ns);
+}
+exports.ns = ns;
+/** @public */
+class MongoDBNamespace {
+    /**
+     * Create a namespace object
+     *
+     * @param db - database name
+     * @param collection - collection name
+     */
+    constructor(db, collection) {
+        this.db = db;
+        this.collection = collection === '' ? undefined : collection;
+    }
+    toString() {
+        return this.collection ? `${this.db}.${this.collection}` : this.db;
+    }
+    withCollection(collection) {
+        return new MongoDBNamespace(this.db, collection);
+    }
+    static fromString(namespace) {
+        if (typeof namespace !== 'string' || namespace === '') {
+            // TODO(NODE-3483): Replace with MongoNamespaceError
+            throw new error_1.MongoRuntimeError(`Cannot parse namespace from "${namespace}"`);
+        }
+        const [db, ...collectionParts] = namespace.split('.');
+        const collection = collectionParts.join('.');
+        return new MongoDBNamespace(db, collection === '' ? undefined : collection);
+    }
+}
+exports.MongoDBNamespace = MongoDBNamespace;
+/** @internal */
+function* makeCounter(seed = 0) {
+    let count = seed;
+    while (true) {
+        const newCount = count;
+        count += 1;
+        yield newCount;
+    }
+}
+exports.makeCounter = makeCounter;
+/**
+ * Helper function for either accepting a callback, or returning a promise
+ * @internal
+ *
+ * @param callback - The last function argument in exposed method, controls if a Promise is returned
+ * @param wrapper - A function that wraps the callback
+ * @returns Returns void if a callback is supplied, else returns a Promise.
+ */
+function maybePromise(callback, wrapper) {
+    var _a;
+    const PromiseConstructor = (_a = promise_provider_1.PromiseProvider.get()) !== null && _a !== void 0 ? _a : Promise;
+    let result;
+    if (typeof callback !== 'function') {
+        result = new PromiseConstructor((resolve, reject) => {
+            callback = (err, res) => {
+                if (err)
+                    return reject(err);
+                resolve(res);
+            };
+        });
+    }
+    wrapper((err, res) => {
+        if (err != null) {
+            try {
+                // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+                callback(err);
+            }
+            catch (error) {
+                process.nextTick(() => {
+                    throw error;
+                });
+            }
+            return;
+        }
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        callback(err, res);
+    });
+    return result;
+}
+exports.maybePromise = maybePromise;
+/** @internal */
+function databaseNamespace(ns) {
+    return ns.split('.')[0];
+}
+exports.databaseNamespace = databaseNamespace;
+/**
+ * Synchronously Generate a UUIDv4
+ * @internal
+ */
+function uuidV4() {
+    const result = crypto.randomBytes(16);
+    result[6] = (result[6] & 0x0f) | 0x40;
+    result[8] = (result[8] & 0x3f) | 0x80;
+    return result;
+}
+exports.uuidV4 = uuidV4;
+/**
+ * A helper function for determining `maxWireVersion` between legacy and new topology instances
+ * @internal
+ */
+function maxWireVersion(topologyOrServer) {
+    if (topologyOrServer) {
+        if (topologyOrServer.loadBalanced) {
+            // Since we do not have a monitor, we assume the load balanced server is always
+            // pointed at the latest mongodb version. There is a risk that for on-prem
+            // deployments that don't upgrade immediately that this could alert to the
+            // application that a feature is avaiable that is actually not.
+            return constants_1.MAX_SUPPORTED_WIRE_VERSION;
+        }
+        if (topologyOrServer.hello) {
+            return topologyOrServer.hello.maxWireVersion;
+        }
+        if ('lastHello' in topologyOrServer && typeof topologyOrServer.lastHello === 'function') {
+            const lastHello = topologyOrServer.lastHello();
+            if (lastHello) {
+                return lastHello.maxWireVersion;
+            }
+        }
+        if (topologyOrServer.description &&
+            'maxWireVersion' in topologyOrServer.description &&
+            topologyOrServer.description.maxWireVersion != null) {
+            return topologyOrServer.description.maxWireVersion;
+        }
+    }
+    return 0;
+}
+exports.maxWireVersion = maxWireVersion;
+/**
+ * Checks that collation is supported by server.
+ * @internal
+ *
+ * @param server - to check against
+ * @param cmd - object where collation may be specified
+ */
+function collationNotSupported(server, cmd) {
+    return cmd && cmd.collation && maxWireVersion(server) < 5;
+}
+exports.collationNotSupported = collationNotSupported;
+/**
+ * Applies the function `eachFn` to each item in `arr`, in parallel.
+ * @internal
+ *
+ * @param arr - An array of items to asynchronously iterate over
+ * @param eachFn - A function to call on each item of the array. The callback signature is `(item, callback)`, where the callback indicates iteration is complete.
+ * @param callback - The callback called after every item has been iterated
+ */
+function eachAsync(arr, eachFn, callback) {
+    arr = arr || [];
+    let idx = 0;
+    let awaiting = 0;
+    for (idx = 0; idx < arr.length; ++idx) {
+        awaiting++;
+        eachFn(arr[idx], eachCallback);
+    }
+    if (awaiting === 0) {
+        callback();
+        return;
+    }
+    function eachCallback(err) {
+        awaiting--;
+        if (err) {
+            callback(err);
+            return;
+        }
+        if (idx === arr.length && awaiting <= 0) {
+            callback();
+        }
+    }
+}
+exports.eachAsync = eachAsync;
+/** @internal */
+function eachAsyncSeries(arr, eachFn, callback) {
+    arr = arr || [];
+    let idx = 0;
+    let awaiting = arr.length;
+    if (awaiting === 0) {
+        callback();
+        return;
+    }
+    function eachCallback(err) {
+        idx++;
+        awaiting--;
+        if (err) {
+            callback(err);
+            return;
+        }
+        if (idx === arr.length && awaiting <= 0) {
+            callback();
+            return;
+        }
+        eachFn(arr[idx], eachCallback);
+    }
+    eachFn(arr[idx], eachCallback);
+}
+exports.eachAsyncSeries = eachAsyncSeries;
+/** @internal */
+function arrayStrictEqual(arr, arr2) {
+    if (!Array.isArray(arr) || !Array.isArray(arr2)) {
+        return false;
+    }
+    return arr.length === arr2.length && arr.every((elt, idx) => elt === arr2[idx]);
+}
+exports.arrayStrictEqual = arrayStrictEqual;
+/** @internal */
+function errorStrictEqual(lhs, rhs) {
+    if (lhs === rhs) {
+        return true;
+    }
+    if (!lhs || !rhs) {
+        return lhs === rhs;
+    }
+    if ((lhs == null && rhs != null) || (lhs != null && rhs == null)) {
+        return false;
+    }
+    if (lhs.constructor.name !== rhs.constructor.name) {
+        return false;
+    }
+    if (lhs.message !== rhs.message) {
+        return false;
+    }
+    return true;
+}
+exports.errorStrictEqual = errorStrictEqual;
+/** @internal */
+function makeStateMachine(stateTable) {
+    return function stateTransition(target, newState) {
+        const legalStates = stateTable[target.s.state];
+        if (legalStates && legalStates.indexOf(newState) < 0) {
+            throw new error_1.MongoRuntimeError(`illegal state transition from [${target.s.state}] => [${newState}], allowed: [${legalStates}]`);
+        }
+        target.emit('stateChanged', target.s.state, newState);
+        target.s.state = newState;
+    };
+}
+exports.makeStateMachine = makeStateMachine;
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const NODE_DRIVER_VERSION = require('../package.json').version;
+function makeClientMetadata(options) {
+    options = options !== null && options !== void 0 ? options : {};
+    const metadata = {
+        driver: {
+            name: 'nodejs',
+            version: NODE_DRIVER_VERSION
+        },
+        os: {
+            type: os.type(),
+            name: process.platform,
+            architecture: process.arch,
+            version: os.release()
+        },
+        platform: `Node.js ${process.version}, ${os.endianness()} (unified)`
+    };
+    // support optionally provided wrapping driver info
+    if (options.driverInfo) {
+        if (options.driverInfo.name) {
+            metadata.driver.name = `${metadata.driver.name}|${options.driverInfo.name}`;
+        }
+        if (options.driverInfo.version) {
+            metadata.version = `${metadata.driver.version}|${options.driverInfo.version}`;
+        }
+        if (options.driverInfo.platform) {
+            metadata.platform = `${metadata.platform}|${options.driverInfo.platform}`;
+        }
+    }
+    if (options.appName) {
+        // MongoDB requires the appName not exceed a byte length of 128
+        const buffer = Buffer.from(options.appName);
+        metadata.application = {
+            name: buffer.byteLength > 128 ? buffer.slice(0, 128).toString('utf8') : options.appName
+        };
+    }
+    return metadata;
+}
+exports.makeClientMetadata = makeClientMetadata;
+/** @internal */
+function now() {
+    const hrtime = process.hrtime();
+    return Math.floor(hrtime[0] * 1000 + hrtime[1] / 1000000);
+}
+exports.now = now;
+/** @internal */
+function calculateDurationInMs(started) {
+    if (typeof started !== 'number') {
+        throw new error_1.MongoInvalidArgumentError('Numeric value required to calculate duration');
+    }
+    const elapsed = now() - started;
+    return elapsed < 0 ? 0 : elapsed;
+}
+exports.calculateDurationInMs = calculateDurationInMs;
+/** @internal */
+function hasAtomicOperators(doc) {
+    if (Array.isArray(doc)) {
+        for (const document of doc) {
+            if (hasAtomicOperators(document)) {
+                return true;
+            }
+        }
+        return false;
+    }
+    const keys = Object.keys(doc);
+    return keys.length > 0 && keys[0][0] === '$';
+}
+exports.hasAtomicOperators = hasAtomicOperators;
+/**
+ * Merge inherited properties from parent into options, prioritizing values from options,
+ * then values from parent.
+ * @internal
+ */
+function resolveOptions(parent, options) {
+    var _a, _b, _c;
+    const result = Object.assign({}, options, (0, bson_1.resolveBSONOptions)(options, parent));
+    // Users cannot pass a readConcern/writeConcern to operations in a transaction
+    const session = options === null || options === void 0 ? void 0 : options.session;
+    if (!(session === null || session === void 0 ? void 0 : session.inTransaction())) {
+        const readConcern = (_a = read_concern_1.ReadConcern.fromOptions(options)) !== null && _a !== void 0 ? _a : parent === null || parent === void 0 ? void 0 : parent.readConcern;
+        if (readConcern) {
+            result.readConcern = readConcern;
+        }
+        const writeConcern = (_b = write_concern_1.WriteConcern.fromOptions(options)) !== null && _b !== void 0 ? _b : parent === null || parent === void 0 ? void 0 : parent.writeConcern;
+        if (writeConcern) {
+            result.writeConcern = writeConcern;
+        }
+    }
+    const readPreference = (_c = read_preference_1.ReadPreference.fromOptions(options)) !== null && _c !== void 0 ? _c : parent === null || parent === void 0 ? void 0 : parent.readPreference;
+    if (readPreference) {
+        result.readPreference = readPreference;
+    }
+    return result;
+}
+exports.resolveOptions = resolveOptions;
+function isSuperset(set, subset) {
+    set = Array.isArray(set) ? new Set(set) : set;
+    subset = Array.isArray(subset) ? new Set(subset) : subset;
+    for (const elem of subset) {
+        if (!set.has(elem)) {
+            return false;
+        }
+    }
+    return true;
+}
+exports.isSuperset = isSuperset;
+/**
+ * Checks if the document is a Hello request
+ * @internal
+ */
+function isHello(doc) {
+    return doc[constants_2.LEGACY_HELLO_COMMAND] || doc.hello ? true : false;
+}
+exports.isHello = isHello;
+/** Returns the items that are uniquely in setA */
+function setDifference(setA, setB) {
+    const difference = new Set(setA);
+    for (const elem of setB) {
+        difference.delete(elem);
+    }
+    return difference;
+}
+exports.setDifference = setDifference;
+const HAS_OWN = (object, prop) => Object.prototype.hasOwnProperty.call(object, prop);
+function isRecord(value, requiredKeys = undefined) {
+    if (!isObject(value)) {
+        return false;
+    }
+    const ctor = value.constructor;
+    if (ctor && ctor.prototype) {
+        if (!isObject(ctor.prototype)) {
+            return false;
+        }
+        // Check to see if some method exists from the Object exists
+        if (!HAS_OWN(ctor.prototype, 'isPrototypeOf')) {
+            return false;
+        }
+    }
+    if (requiredKeys) {
+        const keys = Object.keys(value);
+        return isSuperset(keys, requiredKeys);
+    }
+    return true;
+}
+exports.isRecord = isRecord;
+/**
+ * Make a deep copy of an object
+ *
+ * NOTE: This is not meant to be the perfect implementation of a deep copy,
+ * but instead something that is good enough for the purposes of
+ * command monitoring.
+ */
+function deepCopy(value) {
+    if (value == null) {
+        return value;
+    }
+    else if (Array.isArray(value)) {
+        return value.map(item => deepCopy(item));
+    }
+    else if (isRecord(value)) {
+        const res = {};
+        for (const key in value) {
+            res[key] = deepCopy(value[key]);
+        }
+        return res;
+    }
+    const ctor = value.constructor;
+    if (ctor) {
+        switch (ctor.name.toLowerCase()) {
+            case 'date':
+                return new ctor(Number(value));
+            case 'map':
+                return new Map(value);
+            case 'set':
+                return new Set(value);
+            case 'buffer':
+                return Buffer.from(value);
+        }
+    }
+    return value;
+}
+exports.deepCopy = deepCopy;
+/** @internal */
+const kBuffers = Symbol('buffers');
+/** @internal */
+const kLength = Symbol('length');
+/**
+ * A pool of Buffers which allow you to read them as if they were one
+ * @internal
+ */
+class BufferPool {
+    constructor() {
+        this[kBuffers] = [];
+        this[kLength] = 0;
+    }
+    get length() {
+        return this[kLength];
+    }
+    /** Adds a buffer to the internal buffer pool list */
+    append(buffer) {
+        this[kBuffers].push(buffer);
+        this[kLength] += buffer.length;
+    }
+    /** Returns the requested number of bytes without consuming them */
+    peek(size) {
+        return this.read(size, false);
+    }
+    /** Reads the requested number of bytes, optionally consuming them */
+    read(size, consume = true) {
+        if (typeof size !== 'number' || size < 0) {
+            throw new error_1.MongoInvalidArgumentError('Argument "size" must be a non-negative number');
+        }
+        if (size > this[kLength]) {
+            return Buffer.alloc(0);
+        }
+        let result;
+        // read the whole buffer
+        if (size === this.length) {
+            result = Buffer.concat(this[kBuffers]);
+            if (consume) {
+                this[kBuffers] = [];
+                this[kLength] = 0;
+            }
+        }
+        // size is within first buffer, no need to concat
+        else if (size <= this[kBuffers][0].length) {
+            result = this[kBuffers][0].slice(0, size);
+            if (consume) {
+                this[kBuffers][0] = this[kBuffers][0].slice(size);
+                this[kLength] -= size;
+            }
+        }
+        // size is beyond first buffer, need to track and copy
+        else {
+            result = Buffer.allocUnsafe(size);
+            let idx;
+            let offset = 0;
+            let bytesToCopy = size;
+            for (idx = 0; idx < this[kBuffers].length; ++idx) {
+                let bytesCopied;
+                if (bytesToCopy > this[kBuffers][idx].length) {
+                    bytesCopied = this[kBuffers][idx].copy(result, offset, 0);
+                    offset += bytesCopied;
+                }
+                else {
+                    bytesCopied = this[kBuffers][idx].copy(result, offset, 0, bytesToCopy);
+                    if (consume) {
+                        this[kBuffers][idx] = this[kBuffers][idx].slice(bytesCopied);
+                    }
+                    offset += bytesCopied;
+                    break;
+                }
+                bytesToCopy -= bytesCopied;
+            }
+            // compact the internal buffer array
+            if (consume) {
+                this[kBuffers] = this[kBuffers].slice(idx);
+                this[kLength] -= size;
+            }
+        }
+        return result;
+    }
+}
+exports.BufferPool = BufferPool;
+/** @public */
+class HostAddress {
+    constructor(hostString) {
+        this.host = undefined;
+        this.port = undefined;
+        this.socketPath = undefined;
+        this.isIPv6 = false;
+        const escapedHost = hostString.split(' ').join('%20'); // escape spaces, for socket path hosts
+        if (escapedHost.endsWith('.sock')) {
+            // heuristically determine if we're working with a domain socket
+            this.socketPath = decodeURIComponent(escapedHost);
+            return;
+        }
+        const urlString = `iLoveJS://${escapedHost}`;
+        let url;
+        try {
+            url = new url_1.URL(urlString);
+        }
+        catch (urlError) {
+            const runtimeError = new error_1.MongoRuntimeError(`Unable to parse ${escapedHost} with URL`);
+            runtimeError.cause = urlError;
+            throw runtimeError;
+        }
+        const hostname = url.hostname;
+        const port = url.port;
+        let normalized = decodeURIComponent(hostname).toLowerCase();
+        if (normalized.startsWith('[') && normalized.endsWith(']')) {
+            this.isIPv6 = true;
+            normalized = normalized.substring(1, hostname.length - 1);
+        }
+        this.host = normalized.toLowerCase();
+        if (typeof port === 'number') {
+            this.port = port;
+        }
+        else if (typeof port === 'string' && port !== '') {
+            this.port = Number.parseInt(port, 10);
+        }
+        else {
+            this.port = 27017;
+        }
+        if (this.port === 0) {
+            throw new error_1.MongoParseError('Invalid port (zero) with hostname');
+        }
+        Object.freeze(this);
+    }
+    [Symbol.for('nodejs.util.inspect.custom')]() {
+        return this.inspect();
+    }
+    inspect() {
+        return `new HostAddress('${this.toString()}')`;
+    }
+    toString() {
+        if (typeof this.host === 'string') {
+            if (this.isIPv6) {
+                return `[${this.host}]:${this.port}`;
+            }
+            return `${this.host}:${this.port}`;
+        }
+        return `${this.socketPath}`;
+    }
+    static fromString(s) {
+        return new HostAddress(s);
+    }
+    static fromHostPort(host, port) {
+        if (host.includes(':')) {
+            host = `[${host}]`; // IPv6 address
+        }
+        return HostAddress.fromString(`${host}:${port}`);
+    }
+    static fromSrvRecord({ name, port }) {
+        return HostAddress.fromHostPort(name, port);
+    }
+}
+exports.HostAddress = HostAddress;
+exports.DEFAULT_PK_FACTORY = {
+    // We prefer not to rely on ObjectId having a createPk method
+    createPk() {
+        return new bson_1.ObjectId();
+    }
+};
+/**
+ * When the driver used emitWarning the code will be equal to this.
+ * @public
+ *
+ * @example
+ * ```ts
+ * process.on('warning', (warning) => {
+ *  if (warning.code === MONGODB_WARNING_CODE) console.error('Ah an important warning! :)')
+ * })
+ * ```
+ */
+exports.MONGODB_WARNING_CODE = 'MONGODB DRIVER';
+/** @internal */
+function emitWarning(message) {
+    return process.emitWarning(message, { code: exports.MONGODB_WARNING_CODE });
+}
+exports.emitWarning = emitWarning;
+const emittedWarnings = new Set();
+/**
+ * Will emit a warning once for the duration of the application.
+ * Uses the message to identify if it has already been emitted
+ * so using string interpolation can cause multiple emits
+ * @internal
+ */
+function emitWarningOnce(message) {
+    if (!emittedWarnings.has(message)) {
+        emittedWarnings.add(message);
+        return emitWarning(message);
+    }
+}
+exports.emitWarningOnce = emitWarningOnce;
+/**
+ * Takes a JS object and joins the values into a string separated by ', '
+ */
+function enumToString(en) {
+    return Object.values(en).join(', ');
+}
+exports.enumToString = enumToString;
+/**
+ * Determine if a server supports retryable writes.
+ *
+ * @internal
+ */
+function supportsRetryableWrites(server) {
+    if (!server) {
+        return false;
+    }
+    if (server.loadBalanced) {
+        // Loadbalanced topologies will always support retry writes
+        return true;
+    }
+    if (server.description.logicalSessionTimeoutMinutes != null) {
+        // that supports sessions
+        if (server.description.type !== common_1.ServerType.Standalone) {
+            // and that is not a standalone
+            return true;
+        }
+    }
+    return false;
+}
+exports.supportsRetryableWrites = supportsRetryableWrites;
+function parsePackageVersion({ version }) {
+    const [major, minor, patch] = version.split('.').map((n) => Number.parseInt(n, 10));
+    return { major, minor, patch };
+}
+exports.parsePackageVersion = parsePackageVersion;
+/**
+ * Fisher–Yates Shuffle
+ *
+ * Reference: https://bost.ocks.org/mike/shuffle/
+ * @param sequence - items to be shuffled
+ * @param limit - Defaults to `0`. If nonzero shuffle will slice the randomized array e.g, `.slice(0, limit)` otherwise will return the entire randomized array.
+ */
+function shuffle(sequence, limit = 0) {
+    const items = Array.from(sequence); // shallow copy in order to never shuffle the input
+    if (limit > items.length) {
+        throw new error_1.MongoRuntimeError('Limit must be less than the number of items');
+    }
+    let remainingItemsToShuffle = items.length;
+    const lowerBound = limit % items.length === 0 ? 1 : items.length - limit;
+    while (remainingItemsToShuffle > lowerBound) {
+        // Pick a remaining element
+        const randomIndex = Math.floor(Math.random() * remainingItemsToShuffle);
+        remainingItemsToShuffle -= 1;
+        // And swap it with the current element
+        const swapHold = items[remainingItemsToShuffle];
+        items[remainingItemsToShuffle] = items[randomIndex];
+        items[randomIndex] = swapHold;
+    }
+    return limit % items.length === 0 ? items : items.slice(lowerBound);
+}
+exports.shuffle = shuffle;
+// TODO: this should be codified in command construction
+// @see https://github.com/mongodb/specifications/blob/master/source/read-write-concern/read-write-concern.rst#read-concern
+function commandSupportsReadConcern(command, options) {
+    if (command.aggregate || command.count || command.distinct || command.find || command.geoNear) {
+        return true;
+    }
+    if (command.mapReduce &&
+        options &&
+        options.out &&
+        (options.out.inline === 1 || options.out === 'inline')) {
+        return true;
+    }
+    return false;
+}
+exports.commandSupportsReadConcern = commandSupportsReadConcern;
+/** A utility function to get the instance of mongodb-client-encryption, if it exists. */
+function getMongoDBClientEncryption() {
+    let mongodbClientEncryption = null;
+    // NOTE(NODE-4254): This is to get around the circular dependency between
+    // mongodb-client-encryption and the driver in the test scenarios.
+    if (typeof process.env.MONGODB_CLIENT_ENCRYPTION_OVERRIDE === 'string' &&
+        process.env.MONGODB_CLIENT_ENCRYPTION_OVERRIDE.length > 0) {
+        try {
+            // NOTE(NODE-3199): Ensure you always wrap an optional require literally in the try block
+            // Cannot be moved to helper utility function, bundlers search and replace the actual require call
+            // in a way that makes this line throw at bundle time, not runtime, catching here will make bundling succeed
+            mongodbClientEncryption = require(process.env.MONGODB_CLIENT_ENCRYPTION_OVERRIDE);
+        }
+        catch {
+            // ignore
+        }
+    }
+    else {
+        try {
+            // NOTE(NODE-3199): Ensure you always wrap an optional require literally in the try block
+            // Cannot be moved to helper utility function, bundlers search and replace the actual require call
+            // in a way that makes this line throw at bundle time, not runtime, catching here will make bundling succeed
+            mongodbClientEncryption = require('mongodb-client-encryption');
+        }
+        catch {
+            // ignore
+        }
+    }
+    return mongodbClientEncryption;
+}
+exports.getMongoDBClientEncryption = getMongoDBClientEncryption;
+/**
+ * Compare objectIds. `null` is always less
+ * - `+1 = oid1 is greater than oid2`
+ * - `-1 = oid1 is less than oid2`
+ * - `+0 = oid1 is equal oid2`
+ */
+function compareObjectId(oid1, oid2) {
+    if (oid1 == null && oid2 == null) {
+        return 0;
+    }
+    if (oid1 == null) {
+        return -1;
+    }
+    if (oid2 == null) {
+        return 1;
+    }
+    return oid1.id.compare(oid2.id);
+}
+exports.compareObjectId = compareObjectId;
+//# sourceMappingURL=utils.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/utils.js.map b/node_modules/mongodb/lib/utils.js.map
new file mode 100644
index 000000000..9d7e511dd
--- /dev/null
+++ b/node_modules/mongodb/lib/utils.js.map
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\ No newline at end of file
diff --git a/node_modules/mongodb/lib/write_concern.js b/node_modules/mongodb/lib/write_concern.js
new file mode 100644
index 000000000..4816b00eb
--- /dev/null
+++ b/node_modules/mongodb/lib/write_concern.js
@@ -0,0 +1,71 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.WriteConcern = exports.WRITE_CONCERN_KEYS = void 0;
+exports.WRITE_CONCERN_KEYS = ['w', 'wtimeout', 'j', 'journal', 'fsync'];
+/**
+ * A MongoDB WriteConcern, which describes the level of acknowledgement
+ * requested from MongoDB for write operations.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/reference/write-concern/
+ */
+class WriteConcern {
+    /**
+     * Constructs a WriteConcern from the write concern properties.
+     * @param w - request acknowledgment that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags.
+     * @param wtimeout - specify a time limit to prevent write operations from blocking indefinitely
+     * @param j - request acknowledgment that the write operation has been written to the on-disk journal
+     * @param fsync - equivalent to the j option
+     */
+    constructor(w, wtimeout, j, fsync) {
+        if (w != null) {
+            if (!Number.isNaN(Number(w))) {
+                this.w = Number(w);
+            }
+            else {
+                this.w = w;
+            }
+        }
+        if (wtimeout != null) {
+            this.wtimeout = wtimeout;
+        }
+        if (j != null) {
+            this.j = j;
+        }
+        if (fsync != null) {
+            this.fsync = fsync;
+        }
+    }
+    /** Construct a WriteConcern given an options object. */
+    static fromOptions(options, inherit) {
+        if (options == null)
+            return undefined;
+        inherit = inherit !== null && inherit !== void 0 ? inherit : {};
+        let opts;
+        if (typeof options === 'string' || typeof options === 'number') {
+            opts = { w: options };
+        }
+        else if (options instanceof WriteConcern) {
+            opts = options;
+        }
+        else {
+            opts = options.writeConcern;
+        }
+        const parentOpts = inherit instanceof WriteConcern ? inherit : inherit.writeConcern;
+        const { w = undefined, wtimeout = undefined, j = undefined, fsync = undefined, journal = undefined, wtimeoutMS = undefined } = {
+            ...parentOpts,
+            ...opts
+        };
+        if (w != null ||
+            wtimeout != null ||
+            wtimeoutMS != null ||
+            j != null ||
+            journal != null ||
+            fsync != null) {
+            return new WriteConcern(w, wtimeout !== null && wtimeout !== void 0 ? wtimeout : wtimeoutMS, j !== null && j !== void 0 ? j : journal, fsync);
+        }
+        return undefined;
+    }
+}
+exports.WriteConcern = WriteConcern;
+//# sourceMappingURL=write_concern.js.map
\ No newline at end of file
diff --git a/node_modules/mongodb/lib/write_concern.js.map b/node_modules/mongodb/lib/write_concern.js.map
new file mode 100644
index 000000000..c2e21b7e1
--- /dev/null
+++ b/node_modules/mongodb/lib/write_concern.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongodb/mongodb.d.ts b/node_modules/mongodb/mongodb.d.ts
new file mode 100644
index 000000000..bbb005677
--- /dev/null
+++ b/node_modules/mongodb/mongodb.d.ts
@@ -0,0 +1,6876 @@
+/// <reference types="node" />
+
+import { Binary } from 'bson';
+import { BSONRegExp } from 'bson';
+import { BSONSymbol } from 'bson';
+import { Code } from 'bson';
+import type { ConnectionOptions as ConnectionOptions_2 } from 'tls';
+import { DBRef } from 'bson';
+import { Decimal128 } from 'bson';
+import Denque = require('denque');
+import type { deserialize as deserialize_2 } from 'bson';
+import type { DeserializeOptions } from 'bson';
+import * as dns from 'dns';
+import { Document } from 'bson';
+import { Double } from 'bson';
+import { Duplex } from 'stream';
+import { DuplexOptions } from 'stream';
+import { EventEmitter } from 'events';
+import { Int32 } from 'bson';
+import { Long } from 'bson';
+import { Map as Map_2 } from 'bson';
+import { MaxKey } from 'bson';
+import { MinKey } from 'bson';
+import { ObjectId } from 'bson';
+import type { ObjectIdLike } from 'bson';
+import { Readable } from 'stream';
+import type { serialize as serialize_2 } from 'bson';
+import type { SerializeOptions } from 'bson';
+import type { Socket } from 'net';
+import type { SrvRecord } from 'dns';
+import type { TcpNetConnectOpts } from 'net';
+import { Timestamp } from 'bson';
+import type { TLSSocket } from 'tls';
+import type { TLSSocketOptions } from 'tls';
+import { Writable } from 'stream';
+
+/** @public */
+export declare abstract class AbstractCursor<TSchema = any, CursorEvents extends AbstractCursorEvents = AbstractCursorEvents> extends TypedEventEmitter<CursorEvents> {
+    /* Excluded from this release type: [kId] */
+    /* Excluded from this release type: [kSession] */
+    /* Excluded from this release type: [kServer] */
+    /* Excluded from this release type: [kNamespace] */
+    /* Excluded from this release type: [kDocuments] */
+    /* Excluded from this release type: [kClient] */
+    /* Excluded from this release type: [kTransform] */
+    /* Excluded from this release type: [kInitialized] */
+    /* Excluded from this release type: [kClosed] */
+    /* Excluded from this release type: [kKilled] */
+    /* Excluded from this release type: [kOptions] */
+    /** @event */
+    static readonly CLOSE: "close";
+    /* Excluded from this release type: __constructor */
+    get id(): Long | undefined;
+    /* Excluded from this release type: client */
+    /* Excluded from this release type: server */
+    get namespace(): MongoDBNamespace;
+    get readPreference(): ReadPreference;
+    get readConcern(): ReadConcern | undefined;
+    /* Excluded from this release type: session */
+    /* Excluded from this release type: session */
+    /* Excluded from this release type: cursorOptions */
+    get closed(): boolean;
+    get killed(): boolean;
+    get loadBalanced(): boolean;
+    /** Returns current buffered documents length */
+    bufferedCount(): number;
+    /** Returns current buffered documents */
+    readBufferedDocuments(number?: number): TSchema[];
+    [Symbol.asyncIterator](): AsyncIterator<TSchema, void>;
+    stream(options?: CursorStreamOptions): Readable & AsyncIterable<TSchema>;
+    hasNext(): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    hasNext(callback: Callback<boolean>): void;
+    /** Get the next available document from the cursor, returns null if no more documents are available. */
+    next(): Promise<TSchema | null>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    next(callback: Callback<TSchema | null>): void;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    next(callback?: Callback<TSchema | null>): Promise<TSchema | null> | void;
+    /**
+     * Try to get the next available document from the cursor or `null` if an empty batch is returned
+     */
+    tryNext(): Promise<TSchema | null>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    tryNext(callback: Callback<TSchema | null>): void;
+    /**
+     * Iterates over all the documents for this cursor using the iterator, callback pattern.
+     *
+     * @param iterator - The iteration callback.
+     * @param callback - The end callback.
+     */
+    forEach(iterator: (doc: TSchema) => boolean | void): Promise<void>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    forEach(iterator: (doc: TSchema) => boolean | void, callback: Callback<void>): void;
+    close(): Promise<void>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    close(callback: Callback): void;
+    /**
+     * @deprecated options argument is deprecated
+     */
+    close(options: CursorCloseOptions): Promise<void>;
+    /**
+     * @deprecated options argument is deprecated. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance
+     */
+    close(options: CursorCloseOptions, callback: Callback): void;
+    /**
+     * Returns an array of documents. The caller is responsible for making sure that there
+     * is enough memory to store the results. Note that the array only contains partial
+     * results when this cursor had been previously accessed. In that case,
+     * cursor.rewind() can be used to reset the cursor.
+     *
+     * @param callback - The result callback.
+     */
+    toArray(): Promise<TSchema[]>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    toArray(callback: Callback<TSchema[]>): void;
+    /**
+     * Add a cursor flag to the cursor
+     *
+     * @param flag - The flag to set, must be one of following ['tailable', 'oplogReplay', 'noCursorTimeout', 'awaitData', 'partial' -.
+     * @param value - The flag boolean value.
+     */
+    addCursorFlag(flag: CursorFlag, value: boolean): this;
+    /**
+     * Map all documents using the provided function
+     * If there is a transform set on the cursor, that will be called first and the result passed to
+     * this function's transform.
+     *
+     * @remarks
+     * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+     * it **does not** return a new instance of a cursor. This means when calling map,
+     * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+     * Take note of the following example:
+     *
+     * @example
+     * ```typescript
+     * const cursor: FindCursor<Document> = coll.find();
+     * const mappedCursor: FindCursor<number> = cursor.map(doc => Object.keys(doc).length);
+     * const keyCounts: number[] = await mappedCursor.toArray(); // cursor.toArray() still returns Document[]
+     * ```
+     * @param transform - The mapping transformation method.
+     */
+    map<T = any>(transform: (doc: TSchema) => T): AbstractCursor<T>;
+    /**
+     * Set the ReadPreference for the cursor.
+     *
+     * @param readPreference - The new read preference for the cursor.
+     */
+    withReadPreference(readPreference: ReadPreferenceLike): this;
+    /**
+     * Set the ReadPreference for the cursor.
+     *
+     * @param readPreference - The new read preference for the cursor.
+     */
+    withReadConcern(readConcern: ReadConcernLike): this;
+    /**
+     * Set a maxTimeMS on the cursor query, allowing for hard timeout limits on queries (Only supported on MongoDB 2.6 or higher)
+     *
+     * @param value - Number of milliseconds to wait before aborting the query.
+     */
+    maxTimeMS(value: number): this;
+    /**
+     * Set the batch size for the cursor.
+     *
+     * @param value - The number of documents to return per batch. See {@link https://docs.mongodb.com/manual/reference/command/find/|find command documentation}.
+     */
+    batchSize(value: number): this;
+    /**
+     * Rewind this cursor to its uninitialized state. Any options that are present on the cursor will
+     * remain in effect. Iterating this cursor will cause new queries to be sent to the server, even
+     * if the resultant data has already been retrieved by this cursor.
+     */
+    rewind(): void;
+    /**
+     * Returns a new uninitialized copy of this cursor, with options matching those that have been set on the current instance
+     */
+    abstract clone(): AbstractCursor<TSchema>;
+    /* Excluded from this release type: _initialize */
+    /* Excluded from this release type: _getMore */
+    /* Excluded from this release type: [kInit] */
+}
+
+/** @public */
+export declare type AbstractCursorEvents = {
+    [AbstractCursor.CLOSE](): void;
+};
+
+/** @public */
+export declare interface AbstractCursorOptions extends BSONSerializeOptions {
+    session?: ClientSession;
+    readPreference?: ReadPreferenceLike;
+    readConcern?: ReadConcernLike;
+    /**
+     * Specifies the number of documents to return in each response from MongoDB
+     */
+    batchSize?: number;
+    /**
+     * When applicable `maxTimeMS` controls the amount of time the initial command
+     * that constructs a cursor should take. (ex. find, aggregate, listCollections)
+     */
+    maxTimeMS?: number;
+    /**
+     * When applicable `maxAwaitTimeMS` controls the amount of time subsequent getMores
+     * that a cursor uses to fetch more data should take. (ex. cursor.next())
+     */
+    maxAwaitTimeMS?: number;
+    /**
+     * Comment to apply to the operation.
+     *
+     * In server versions pre-4.4, 'comment' must be string.  A server
+     * error will be thrown if any other type is provided.
+     *
+     * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+     */
+    comment?: unknown;
+    /**
+     * By default, MongoDB will automatically close a cursor when the
+     * client has exhausted all results in the cursor. However, for [capped collections](https://www.mongodb.com/docs/manual/core/capped-collections)
+     * you may use a Tailable Cursor that remains open after the client exhausts
+     * the results in the initial cursor.
+     */
+    tailable?: boolean;
+    /**
+     * If awaitData is set to true, when the cursor reaches the end of the capped collection,
+     * MongoDB blocks the query thread for a period of time waiting for new data to arrive.
+     * When new data is inserted into the capped collection, the blocked thread is signaled
+     * to wake up and return the next batch to the client.
+     */
+    awaitData?: boolean;
+    noCursorTimeout?: boolean;
+}
+
+/* Excluded from this release type: AbstractOperation */
+
+/** @public */
+export declare type AcceptedFields<TSchema, FieldType, AssignableType> = {
+    readonly [key in KeysOfAType<TSchema, FieldType>]?: AssignableType;
+};
+
+/** @public */
+export declare type AddToSetOperators<Type> = {
+    $each?: Array<Flatten<Type>>;
+};
+
+/** @public */
+export declare interface AddUserOptions extends CommandOperationOptions {
+    /** @deprecated Please use db.command('createUser', ...) instead for this option */
+    digestPassword?: null;
+    /** Roles associated with the created user */
+    roles?: string | string[] | RoleSpecification | RoleSpecification[];
+    /** Custom data associated with the user (only Mongodb 2.6 or higher) */
+    customData?: Document;
+}
+
+/**
+ * The **Admin** class is an internal class that allows convenient access to
+ * the admin functionality and commands for MongoDB.
+ *
+ * **ADMIN Cannot directly be instantiated**
+ * @public
+ *
+ * @example
+ * ```ts
+ * import { MongoClient } from 'mongodb';
+ *
+ * const client = new MongoClient('mongodb://localhost:27017');
+ * const admin = client.db().admin();
+ * const dbInfo = await admin.listDatabases();
+ * for (const db of dbInfo.databases) {
+ *   console.log(db.name);
+ * }
+ * ```
+ */
+export declare class Admin {
+    /* Excluded from this release type: s */
+    /* Excluded from this release type: __constructor */
+    /**
+     * Execute a command
+     *
+     * @param command - The command to execute
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    command(command: Document): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    command(command: Document, callback: Callback<Document>): void;
+    command(command: Document, options: RunCommandOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    command(command: Document, options: RunCommandOptions, callback: Callback<Document>): void;
+    /**
+     * Retrieve the server build information
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    buildInfo(): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    buildInfo(callback: Callback<Document>): void;
+    buildInfo(options: CommandOperationOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    buildInfo(options: CommandOperationOptions, callback: Callback<Document>): void;
+    /**
+     * Retrieve the server build information
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    serverInfo(): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    serverInfo(callback: Callback<Document>): void;
+    serverInfo(options: CommandOperationOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    serverInfo(options: CommandOperationOptions, callback: Callback<Document>): void;
+    /**
+     * Retrieve this db's server status.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    serverStatus(): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    serverStatus(callback: Callback<Document>): void;
+    serverStatus(options: CommandOperationOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    serverStatus(options: CommandOperationOptions, callback: Callback<Document>): void;
+    /**
+     * Ping the MongoDB server and retrieve results
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    ping(): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    ping(callback: Callback<Document>): void;
+    ping(options: CommandOperationOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    ping(options: CommandOperationOptions, callback: Callback<Document>): void;
+    /**
+     * Add a user to the database
+     *
+     * @param username - The username for the new user
+     * @param password - An optional password for the new user
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    addUser(username: string): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    addUser(username: string, callback: Callback<Document>): void;
+    addUser(username: string, password: string): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    addUser(username: string, password: string, callback: Callback<Document>): void;
+    addUser(username: string, options: AddUserOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    addUser(username: string, options: AddUserOptions, callback: Callback<Document>): void;
+    addUser(username: string, password: string, options: AddUserOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    addUser(username: string, password: string, options: AddUserOptions, callback: Callback<Document>): void;
+    /**
+     * Remove a user from a database
+     *
+     * @param username - The username to remove
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    removeUser(username: string): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    removeUser(username: string, callback: Callback<boolean>): void;
+    removeUser(username: string, options: RemoveUserOptions): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    removeUser(username: string, options: RemoveUserOptions, callback: Callback<boolean>): void;
+    /**
+     * Validate an existing collection
+     *
+     * @param collectionName - The name of the collection to validate.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    validateCollection(collectionName: string): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    validateCollection(collectionName: string, callback: Callback<Document>): void;
+    validateCollection(collectionName: string, options: ValidateCollectionOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    validateCollection(collectionName: string, options: ValidateCollectionOptions, callback: Callback<Document>): void;
+    /**
+     * List the available databases
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    listDatabases(): Promise<ListDatabasesResult>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    listDatabases(callback: Callback<ListDatabasesResult>): void;
+    listDatabases(options: ListDatabasesOptions): Promise<ListDatabasesResult>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    listDatabases(options: ListDatabasesOptions, callback: Callback<ListDatabasesResult>): void;
+    /**
+     * Get ReplicaSet status
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    replSetGetStatus(): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    replSetGetStatus(callback: Callback<Document>): void;
+    replSetGetStatus(options: CommandOperationOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    replSetGetStatus(options: CommandOperationOptions, callback: Callback<Document>): void;
+}
+
+/* Excluded from this release type: AdminPrivate */
+
+/* Excluded from this release type: AggregateOperation */
+
+/** @public */
+export declare interface AggregateOptions extends CommandOperationOptions {
+    /** allowDiskUse lets the server know if it can use disk to store temporary results for the aggregation (requires mongodb 2.6 \>). */
+    allowDiskUse?: boolean;
+    /** The number of documents to return per batch. See [aggregation documentation](https://docs.mongodb.com/manual/reference/command/aggregate). */
+    batchSize?: number;
+    /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+    bypassDocumentValidation?: boolean;
+    /** Return the query as cursor, on 2.6 \> it returns as a real cursor on pre 2.6 it returns as an emulated cursor. */
+    cursor?: Document;
+    /** specifies a cumulative time limit in milliseconds for processing operations on the cursor. MongoDB interrupts the operation at the earliest following interrupt point. */
+    maxTimeMS?: number;
+    /** The maximum amount of time for the server to wait on new documents to satisfy a tailable cursor query. */
+    maxAwaitTimeMS?: number;
+    /** Specify collation. */
+    collation?: CollationOptions;
+    /** Add an index selection hint to an aggregation command */
+    hint?: Hint;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+    out?: string;
+}
+
+/**
+ * The **AggregationCursor** class is an internal class that embodies an aggregation cursor on MongoDB
+ * allowing for iteration over the results returned from the underlying query. It supports
+ * one by one document iteration, conversion to an array or can be iterated as a Node 4.X
+ * or higher stream
+ * @public
+ */
+export declare class AggregationCursor<TSchema = any> extends AbstractCursor<TSchema> {
+    /* Excluded from this release type: [kPipeline] */
+    /* Excluded from this release type: [kOptions] */
+    /* Excluded from this release type: __constructor */
+    get pipeline(): Document[];
+    clone(): AggregationCursor<TSchema>;
+    map<T>(transform: (doc: TSchema) => T): AggregationCursor<T>;
+    /* Excluded from this release type: _initialize */
+    /** Execute the explain for the cursor */
+    explain(): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    explain(callback: Callback): void;
+    explain(verbosity: ExplainVerbosityLike): Promise<Document>;
+    /** Add a group stage to the aggregation pipeline */
+    group<T = TSchema>($group: Document): AggregationCursor<T>;
+    /** Add a limit stage to the aggregation pipeline */
+    limit($limit: number): this;
+    /** Add a match stage to the aggregation pipeline */
+    match($match: Document): this;
+    /** Add an out stage to the aggregation pipeline */
+    out($out: {
+        db: string;
+        coll: string;
+    } | string): this;
+    /**
+     * Add a project stage to the aggregation pipeline
+     *
+     * @remarks
+     * In order to strictly type this function you must provide an interface
+     * that represents the effect of your projection on the result documents.
+     *
+     * By default chaining a projection to your cursor changes the returned type to the generic {@link Document} type.
+     * You should specify a parameterized type to have assertions on your final results.
+     *
+     * @example
+     * ```typescript
+     * // Best way
+     * const docs: AggregationCursor<{ a: number }> = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * // Flexible way
+     * const docs: AggregationCursor<Document> = cursor.project({ _id: 0, a: true });
+     * ```
+     *
+     * @remarks
+     * In order to strictly type this function you must provide an interface
+     * that represents the effect of your projection on the result documents.
+     *
+     * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+     * it **does not** return a new instance of a cursor. This means when calling project,
+     * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+     * Take note of the following example:
+     *
+     * @example
+     * ```typescript
+     * const cursor: AggregationCursor<{ a: number; b: string }> = coll.aggregate([]);
+     * const projectCursor = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * const aPropOnlyArray: {a: number}[] = await projectCursor.toArray();
+     *
+     * // or always use chaining and save the final cursor
+     *
+     * const cursor = coll.aggregate().project<{ a: string }>({
+     *   _id: 0,
+     *   a: { $convert: { input: '$a', to: 'string' }
+     * }});
+     * ```
+     */
+    project<T extends Document = Document>($project: Document): AggregationCursor<T>;
+    /** Add a lookup stage to the aggregation pipeline */
+    lookup($lookup: Document): this;
+    /** Add a redact stage to the aggregation pipeline */
+    redact($redact: Document): this;
+    /** Add a skip stage to the aggregation pipeline */
+    skip($skip: number): this;
+    /** Add a sort stage to the aggregation pipeline */
+    sort($sort: Sort): this;
+    /** Add a unwind stage to the aggregation pipeline */
+    unwind($unwind: Document | string): this;
+    /** @deprecated Add a geoNear stage to the aggregation pipeline */
+    geoNear($geoNear: Document): this;
+}
+
+/** @public */
+export declare interface AggregationCursorOptions extends AbstractCursorOptions, AggregateOptions {
+}
+
+/**
+ * It is possible to search using alternative types in mongodb e.g.
+ * string types can be searched using a regex in mongo
+ * array types can be searched using their element type
+ * @public
+ */
+export declare type AlternativeType<T> = T extends ReadonlyArray<infer U> ? T | RegExpOrString<U> : RegExpOrString<T>;
+
+/** @public */
+export declare type AnyBulkWriteOperation<TSchema extends Document = Document> = {
+    insertOne: InsertOneModel<TSchema>;
+} | {
+    replaceOne: ReplaceOneModel<TSchema>;
+} | {
+    updateOne: UpdateOneModel<TSchema>;
+} | {
+    updateMany: UpdateManyModel<TSchema>;
+} | {
+    deleteOne: DeleteOneModel<TSchema>;
+} | {
+    deleteMany: DeleteManyModel<TSchema>;
+};
+
+/** @public */
+export declare type AnyError = MongoError | Error;
+
+/** @public */
+export declare type ArrayElement<Type> = Type extends ReadonlyArray<infer Item> ? Item : never;
+
+/** @public */
+export declare type ArrayOperator<Type> = {
+    $each?: Array<Flatten<Type>>;
+    $slice?: number;
+    $position?: number;
+    $sort?: Sort;
+};
+
+/** @public */
+export declare interface Auth {
+    /** The username for auth */
+    username?: string;
+    /** The password for auth */
+    password?: string;
+}
+
+/** @public */
+export declare const AuthMechanism: Readonly<{
+    readonly MONGODB_AWS: "MONGODB-AWS";
+    readonly MONGODB_CR: "MONGODB-CR";
+    readonly MONGODB_DEFAULT: "DEFAULT";
+    readonly MONGODB_GSSAPI: "GSSAPI";
+    readonly MONGODB_PLAIN: "PLAIN";
+    readonly MONGODB_SCRAM_SHA1: "SCRAM-SHA-1";
+    readonly MONGODB_SCRAM_SHA256: "SCRAM-SHA-256";
+    readonly MONGODB_X509: "MONGODB-X509";
+}>;
+
+/** @public */
+export declare type AuthMechanism = typeof AuthMechanism[keyof typeof AuthMechanism];
+
+/** @public */
+export declare interface AuthMechanismProperties extends Document {
+    SERVICE_HOST?: string;
+    SERVICE_NAME?: string;
+    SERVICE_REALM?: string;
+    CANONICALIZE_HOST_NAME?: GSSAPICanonicalizationValue;
+    AWS_SESSION_TOKEN?: string;
+}
+
+/** @public */
+export declare interface AutoEncrypter {
+    new (client: MongoClient, options: AutoEncryptionOptions): AutoEncrypter;
+    init(cb: Callback): void;
+    teardown(force: boolean, callback: Callback): void;
+    encrypt(ns: string, cmd: Document, options: any, callback: Callback<Document>): void;
+    decrypt(cmd: Document, options: any, callback: Callback<Document>): void;
+    /** @experimental */
+    readonly cryptSharedLibVersionInfo: {
+        version: bigint;
+        versionStr: string;
+    } | null;
+}
+
+/** @public */
+export declare const AutoEncryptionLoggerLevel: Readonly<{
+    readonly FatalError: 0;
+    readonly Error: 1;
+    readonly Warning: 2;
+    readonly Info: 3;
+    readonly Trace: 4;
+}>;
+
+/** @public */
+export declare type AutoEncryptionLoggerLevel = typeof AutoEncryptionLoggerLevel[keyof typeof AutoEncryptionLoggerLevel];
+
+/** @public */
+export declare interface AutoEncryptionOptions {
+    /* Excluded from this release type: bson */
+    /* Excluded from this release type: metadataClient */
+    /** A `MongoClient` used to fetch keys from a key vault */
+    keyVaultClient?: MongoClient;
+    /** The namespace where keys are stored in the key vault */
+    keyVaultNamespace?: string;
+    /** Configuration options that are used by specific KMS providers during key generation, encryption, and decryption. */
+    kmsProviders?: {
+        /** Configuration options for using 'aws' as your KMS provider */
+        aws?: {
+            /** The access key used for the AWS KMS provider */
+            accessKeyId: string;
+            /** The secret access key used for the AWS KMS provider */
+            secretAccessKey: string;
+            /**
+             * An optional AWS session token that will be used as the
+             * X-Amz-Security-Token header for AWS requests.
+             */
+            sessionToken?: string;
+        };
+        /** Configuration options for using 'local' as your KMS provider */
+        local?: {
+            /**
+             * The master key used to encrypt/decrypt data keys.
+             * A 96-byte long Buffer or base64 encoded string.
+             */
+            key: Buffer | string;
+        };
+        /** Configuration options for using 'azure' as your KMS provider */
+        azure?: {
+            /** The tenant ID identifies the organization for the account */
+            tenantId: string;
+            /** The client ID to authenticate a registered application */
+            clientId: string;
+            /** The client secret to authenticate a registered application */
+            clientSecret: string;
+            /**
+             * If present, a host with optional port. E.g. "example.com" or "example.com:443".
+             * This is optional, and only needed if customer is using a non-commercial Azure instance
+             * (e.g. a government or China account, which use different URLs).
+             * Defaults to "login.microsoftonline.com"
+             */
+            identityPlatformEndpoint?: string | undefined;
+        };
+        /** Configuration options for using 'gcp' as your KMS provider */
+        gcp?: {
+            /** The service account email to authenticate */
+            email: string;
+            /** A PKCS#8 encrypted key. This can either be a base64 string or a binary representation */
+            privateKey: string | Buffer;
+            /**
+             * If present, a host with optional port. E.g. "example.com" or "example.com:443".
+             * Defaults to "oauth2.googleapis.com"
+             */
+            endpoint?: string | undefined;
+        };
+        /**
+         * Configuration options for using 'kmip' as your KMS provider
+         */
+        kmip?: {
+            /**
+             * The output endpoint string.
+             * The endpoint consists of a hostname and port separated by a colon.
+             * E.g. "example.com:123". A port is always present.
+             */
+            endpoint?: string;
+        };
+    };
+    /**
+     * A map of namespaces to a local JSON schema for encryption
+     *
+     * **NOTE**: Supplying options.schemaMap provides more security than relying on JSON Schemas obtained from the server.
+     * It protects against a malicious server advertising a false JSON Schema, which could trick the client into sending decrypted data that should be encrypted.
+     * Schemas supplied in the schemaMap only apply to configuring automatic encryption for client side encryption.
+     * Other validation rules in the JSON schema will not be enforced by the driver and will result in an error.
+     */
+    schemaMap?: Document;
+    /** @experimental Public Technical Preview: Supply a schema for the encrypted fields in the document  */
+    encryptedFieldsMap?: Document;
+    /** Allows the user to bypass auto encryption, maintaining implicit decryption */
+    bypassAutoEncryption?: boolean;
+    /** @experimental Public Technical Preview: Allows users to bypass query analysis */
+    bypassQueryAnalysis?: boolean;
+    options?: {
+        /** An optional hook to catch logging messages from the underlying encryption engine */
+        logger?: (level: AutoEncryptionLoggerLevel, message: string) => void;
+    };
+    extraOptions?: {
+        /**
+         * A local process the driver communicates with to determine how to encrypt values in a command.
+         * Defaults to "mongodb://%2Fvar%2Fmongocryptd.sock" if domain sockets are available or "mongodb://localhost:27020" otherwise
+         */
+        mongocryptdURI?: string;
+        /** If true, autoEncryption will not attempt to spawn a mongocryptd before connecting  */
+        mongocryptdBypassSpawn?: boolean;
+        /** The path to the mongocryptd executable on the system */
+        mongocryptdSpawnPath?: string;
+        /** Command line arguments to use when auto-spawning a mongocryptd */
+        mongocryptdSpawnArgs?: string[];
+        /**
+         * Full path to a MongoDB Crypt shared library to be used (instead of mongocryptd).
+         *
+         * This needs to be the path to the file itself, not a directory.
+         * It can be an absolute or relative path. If the path is relative and
+         * its first component is `$ORIGIN`, it will be replaced by the directory
+         * containing the mongodb-client-encryption native addon file. Otherwise,
+         * the path will be interpreted relative to the current working directory.
+         *
+         * Currently, loading different MongoDB Crypt shared library files from different
+         * MongoClients in the same process is not supported.
+         *
+         * If this option is provided and no MongoDB Crypt shared library could be loaded
+         * from the specified location, creating the MongoClient will fail.
+         *
+         * If this option is not provided and `cryptSharedLibRequired` is not specified,
+         * the AutoEncrypter will attempt to spawn and/or use mongocryptd according
+         * to the mongocryptd-specific `extraOptions` options.
+         *
+         * Specifying a path prevents mongocryptd from being used as a fallback.
+         *
+         * Requires the MongoDB Crypt shared library, available in MongoDB 6.0 or higher.
+         */
+        cryptSharedLibPath?: string;
+        /**
+         * If specified, never use mongocryptd and instead fail when the MongoDB Crypt
+         * shared library could not be loaded.
+         *
+         * This is always true when `cryptSharedLibPath` is specified.
+         *
+         * Requires the MongoDB Crypt shared library, available in MongoDB 6.0 or higher.
+         */
+        cryptSharedLibRequired?: boolean;
+        /* Excluded from this release type: cryptSharedLibSearchPaths */
+    };
+    proxyOptions?: ProxyOptions;
+    /** The TLS options to use connecting to the KMS provider */
+    tlsOptions?: {
+        aws?: AutoEncryptionTlsOptions;
+        local?: AutoEncryptionTlsOptions;
+        azure?: AutoEncryptionTlsOptions;
+        gcp?: AutoEncryptionTlsOptions;
+        kmip?: AutoEncryptionTlsOptions;
+    };
+}
+
+/** @public */
+export declare interface AutoEncryptionTlsOptions {
+    /**
+     * Specifies the location of a local .pem file that contains
+     * either the client's TLS/SSL certificate and key or only the
+     * client's TLS/SSL key when tlsCertificateFile is used to
+     * provide the certificate.
+     */
+    tlsCertificateKeyFile?: string;
+    /**
+     * Specifies the password to de-crypt the tlsCertificateKeyFile.
+     */
+    tlsCertificateKeyFilePassword?: string;
+    /**
+     * Specifies the location of a local .pem file that contains the
+     * root certificate chain from the Certificate Authority.
+     * This file is used to validate the certificate presented by the
+     * KMS provider.
+     */
+    tlsCAFile?: string;
+}
+
+/**
+ * Keeps the state of a unordered batch so we can rewrite the results
+ * correctly after command execution
+ *
+ * @public
+ */
+export declare class Batch<T = Document> {
+    originalZeroIndex: number;
+    currentIndex: number;
+    originalIndexes: number[];
+    batchType: BatchType;
+    operations: T[];
+    size: number;
+    sizeBytes: number;
+    constructor(batchType: BatchType, originalZeroIndex: number);
+}
+
+/** @public */
+export declare const BatchType: Readonly<{
+    readonly INSERT: 1;
+    readonly UPDATE: 2;
+    readonly DELETE: 3;
+}>;
+
+/** @public */
+export declare type BatchType = typeof BatchType[keyof typeof BatchType];
+
+export { Binary }
+
+/* Excluded from this release type: BinMsg */
+
+/** @public */
+export declare type BitwiseFilter = number /** numeric bit mask */ | Binary /** BinData bit mask */ | ReadonlyArray<number>;
+
+/* Excluded from this release type: BSON */
+export { BSONRegExp }
+
+/**
+ * BSON Serialization options.
+ * @public
+ */
+export declare interface BSONSerializeOptions extends Omit<SerializeOptions, 'index'>, Omit<DeserializeOptions, 'evalFunctions' | 'cacheFunctions' | 'cacheFunctionsCrc32' | 'allowObjectSmallerThanBufferSize' | 'index' | 'validation'> {
+    /** Return BSON filled buffers from operations */
+    raw?: boolean;
+    /** Enable utf8 validation when deserializing BSON documents.  Defaults to true. */
+    enableUtf8Validation?: boolean;
+}
+
+export { BSONSymbol }
+
+/** @public */
+export declare const BSONType: Readonly<{
+    readonly double: 1;
+    readonly string: 2;
+    readonly object: 3;
+    readonly array: 4;
+    readonly binData: 5;
+    readonly undefined: 6;
+    readonly objectId: 7;
+    readonly bool: 8;
+    readonly date: 9;
+    readonly null: 10;
+    readonly regex: 11;
+    readonly dbPointer: 12;
+    readonly javascript: 13;
+    readonly symbol: 14;
+    readonly javascriptWithScope: 15;
+    readonly int: 16;
+    readonly timestamp: 17;
+    readonly long: 18;
+    readonly decimal: 19;
+    readonly minKey: -1;
+    readonly maxKey: 127;
+}>;
+
+/** @public */
+export declare type BSONType = typeof BSONType[keyof typeof BSONType];
+
+/** @public */
+export declare type BSONTypeAlias = keyof typeof BSONType;
+
+/* Excluded from this release type: BufferPool */
+
+/** @public */
+export declare abstract class BulkOperationBase {
+    isOrdered: boolean;
+    /* Excluded from this release type: s */
+    operationId?: number;
+    /* Excluded from this release type: __constructor */
+    /**
+     * Add a single insert document to the bulk operation
+     *
+     * @example
+     * ```ts
+     * const bulkOp = collection.initializeOrderedBulkOp();
+     *
+     * // Adds three inserts to the bulkOp.
+     * bulkOp
+     *   .insert({ a: 1 })
+     *   .insert({ b: 2 })
+     *   .insert({ c: 3 });
+     * await bulkOp.execute();
+     * ```
+     */
+    insert(document: Document): BulkOperationBase;
+    /**
+     * Builds a find operation for an update/updateOne/delete/deleteOne/replaceOne.
+     * Returns a builder object used to complete the definition of the operation.
+     *
+     * @example
+     * ```ts
+     * const bulkOp = collection.initializeOrderedBulkOp();
+     *
+     * // Add an updateOne to the bulkOp
+     * bulkOp.find({ a: 1 }).updateOne({ $set: { b: 2 } });
+     *
+     * // Add an updateMany to the bulkOp
+     * bulkOp.find({ c: 3 }).update({ $set: { d: 4 } });
+     *
+     * // Add an upsert
+     * bulkOp.find({ e: 5 }).upsert().updateOne({ $set: { f: 6 } });
+     *
+     * // Add a deletion
+     * bulkOp.find({ g: 7 }).deleteOne();
+     *
+     * // Add a multi deletion
+     * bulkOp.find({ h: 8 }).delete();
+     *
+     * // Add a replaceOne
+     * bulkOp.find({ i: 9 }).replaceOne({writeConcern: { j: 10 }});
+     *
+     * // Update using a pipeline (requires Mongodb 4.2 or higher)
+     * bulk.find({ k: 11, y: { $exists: true }, z: { $exists: true } }).updateOne([
+     *   { $set: { total: { $sum: [ '$y', '$z' ] } } }
+     * ]);
+     *
+     * // All of the ops will now be executed
+     * await bulkOp.execute();
+     * ```
+     */
+    find(selector: Document): FindOperators;
+    /** Specifies a raw operation to perform in the bulk write. */
+    raw(op: AnyBulkWriteOperation): this;
+    get bsonOptions(): BSONSerializeOptions;
+    get writeConcern(): WriteConcern | undefined;
+    get batches(): Batch[];
+    execute(options?: BulkWriteOptions): Promise<BulkWriteResult>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    execute(callback: Callback<BulkWriteResult>): void;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    execute(options: BulkWriteOptions | undefined, callback: Callback<BulkWriteResult>): void;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    execute(options?: BulkWriteOptions | Callback<BulkWriteResult>, callback?: Callback<BulkWriteResult>): Promise<BulkWriteResult> | void;
+    /* Excluded from this release type: handleWriteError */
+    abstract addToOperationsList(batchType: BatchType, document: Document | UpdateStatement | DeleteStatement): this;
+}
+
+/* Excluded from this release type: BulkOperationPrivate */
+
+/** @public */
+export declare interface BulkResult {
+    ok: number;
+    writeErrors: WriteError[];
+    writeConcernErrors: WriteConcernError[];
+    insertedIds: Document[];
+    nInserted: number;
+    nUpserted: number;
+    nMatched: number;
+    nModified: number;
+    nRemoved: number;
+    upserted: Document[];
+    opTime?: Document;
+}
+
+/** @public */
+export declare interface BulkWriteOperationError {
+    index: number;
+    code: number;
+    errmsg: string;
+    errInfo: Document;
+    op: Document | UpdateStatement | DeleteStatement;
+}
+
+/** @public */
+export declare interface BulkWriteOptions extends CommandOperationOptions {
+    /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+    bypassDocumentValidation?: boolean;
+    /** If true, when an insert fails, don't execute the remaining writes. If false, continue with remaining inserts when one fails. */
+    ordered?: boolean;
+    /** @deprecated use `ordered` instead */
+    keepGoing?: boolean;
+    /** Force server to assign _id values instead of driver. */
+    forceServerObjectId?: boolean;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+}
+
+/**
+ * @public
+ * The result of a bulk write.
+ */
+export declare class BulkWriteResult {
+    result: BulkResult;
+    /* Excluded from this release type: __constructor */
+    /** Number of documents inserted. */
+    get insertedCount(): number;
+    /** Number of documents matched for update. */
+    get matchedCount(): number;
+    /** Number of documents modified. */
+    get modifiedCount(): number;
+    /** Number of documents deleted. */
+    get deletedCount(): number;
+    /** Number of documents upserted. */
+    get upsertedCount(): number;
+    /** Upserted document generated Id's, hash key is the index of the originating operation */
+    get upsertedIds(): {
+        [key: number]: any;
+    };
+    /** Inserted document generated Id's, hash key is the index of the originating operation */
+    get insertedIds(): {
+        [key: number]: any;
+    };
+    /** Evaluates to true if the bulk operation correctly executes */
+    get ok(): number;
+    /** The number of inserted documents */
+    get nInserted(): number;
+    /** Number of upserted documents */
+    get nUpserted(): number;
+    /** Number of matched documents */
+    get nMatched(): number;
+    /** Number of documents updated physically on disk */
+    get nModified(): number;
+    /** Number of removed documents */
+    get nRemoved(): number;
+    /** Returns an array of all inserted ids */
+    getInsertedIds(): Document[];
+    /** Returns an array of all upserted ids */
+    getUpsertedIds(): Document[];
+    /** Returns the upserted id at the given index */
+    getUpsertedIdAt(index: number): Document | undefined;
+    /** Returns raw internal result */
+    getRawResponse(): Document;
+    /** Returns true if the bulk operation contains a write error */
+    hasWriteErrors(): boolean;
+    /** Returns the number of write errors off the bulk operation */
+    getWriteErrorCount(): number;
+    /** Returns a specific write error object */
+    getWriteErrorAt(index: number): WriteError | undefined;
+    /** Retrieve all write errors */
+    getWriteErrors(): WriteError[];
+    /** Retrieve lastOp if available */
+    getLastOp(): Document | undefined;
+    /** Retrieve the write concern error if one exists */
+    getWriteConcernError(): WriteConcernError | undefined;
+    toJSON(): BulkResult;
+    toString(): string;
+    isOk(): boolean;
+}
+
+/**
+ * MongoDB Driver style callback
+ * @public
+ */
+export declare type Callback<T = any> = (error?: AnyError, result?: T) => void;
+
+/** @public */
+export declare class CancellationToken extends TypedEventEmitter<{
+    cancel(): void;
+}> {
+}
+
+/**
+ * Creates a new Change Stream instance. Normally created using {@link Collection#watch|Collection.watch()}.
+ * @public
+ */
+export declare class ChangeStream<TSchema extends Document = Document, TChange extends Document = ChangeStreamDocument<TSchema>> extends TypedEventEmitter<ChangeStreamEvents<TSchema, TChange>> {
+    pipeline: Document[];
+    options: ChangeStreamOptions;
+    parent: MongoClient | Db | Collection;
+    namespace: MongoDBNamespace;
+    type: symbol;
+    /* Excluded from this release type: cursor */
+    streamOptions?: CursorStreamOptions;
+    /* Excluded from this release type: [kCursorStream] */
+    /* Excluded from this release type: [kClosed] */
+    /* Excluded from this release type: [kMode] */
+    /** @event */
+    static readonly RESPONSE: "response";
+    /** @event */
+    static readonly MORE: "more";
+    /** @event */
+    static readonly INIT: "init";
+    /** @event */
+    static readonly CLOSE: "close";
+    /**
+     * Fired for each new matching change in the specified namespace. Attaching a `change`
+     * event listener to a Change Stream will switch the stream into flowing mode. Data will
+     * then be passed as soon as it is available.
+     * @event
+     */
+    static readonly CHANGE: "change";
+    /** @event */
+    static readonly END: "end";
+    /** @event */
+    static readonly ERROR: "error";
+    /**
+     * Emitted each time the change stream stores a new resume token.
+     * @event
+     */
+    static readonly RESUME_TOKEN_CHANGED: "resumeTokenChanged";
+    /* Excluded from this release type: __constructor */
+    /* Excluded from this release type: cursorStream */
+    /** The cached resume token that is used to resume after the most recently returned change. */
+    get resumeToken(): ResumeToken;
+    /** Check if there is any document still available in the Change Stream */
+    hasNext(): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    hasNext(callback: Callback<boolean>): void;
+    /** Get the next available document from the Change Stream. */
+    next(): Promise<TChange>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    next(callback: Callback<TChange>): void;
+    /**
+     * Try to get the next available document from the Change Stream's cursor or `null` if an empty batch is returned
+     */
+    tryNext(): Promise<Document | null>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    tryNext(callback: Callback<Document | null>): void;
+    /** Is the cursor closed */
+    get closed(): boolean;
+    /** Close the Change Stream */
+    close(): Promise<void>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    close(callback: Callback): void;
+    /**
+     * Return a modified Readable stream including a possible transform method.
+     *
+     * NOTE: When using a Stream to process change stream events, the stream will
+     * NOT automatically resume in the case a resumable error is encountered.
+     *
+     * @throws MongoChangeStreamError if the underlying cursor or the change stream is closed
+     */
+    stream(options?: CursorStreamOptions): Readable & AsyncIterable<TChange>;
+    /* Excluded from this release type: _setIsEmitter */
+    /* Excluded from this release type: _setIsIterator */
+    /* Excluded from this release type: _createChangeStreamCursor */
+    /* Excluded from this release type: _closeEmitterModeWithError */
+    /* Excluded from this release type: _streamEvents */
+    /* Excluded from this release type: _endStream */
+    /* Excluded from this release type: _processChange */
+    /* Excluded from this release type: _processErrorStreamMode */
+    /* Excluded from this release type: _processErrorIteratorMode */
+    /* Excluded from this release type: _processErrorIteratorModeCallback */
+}
+
+/* Excluded from this release type: ChangeStreamAggregateRawResult */
+
+/**
+ * Only present when the `showExpandedEvents` flag is enabled.
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamCollModDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'modify';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamCreateDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'create';
+}
+
+/**
+ * Only present when the `showExpandedEvents` flag is enabled.
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamCreateIndexDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID, ChangeStreamDocumentOperationDescription {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'createIndexes';
+}
+
+/* Excluded from this release type: ChangeStreamCursor */
+
+/* Excluded from this release type: ChangeStreamCursorOptions */
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#delete-event
+ */
+export declare interface ChangeStreamDeleteDocument<TSchema extends Document = Document> extends ChangeStreamDocumentCommon, ChangeStreamDocumentKey<TSchema>, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'delete';
+    /** Namespace the delete event occured on */
+    ns: ChangeStreamNameSpace;
+    /**
+     * Contains the pre-image of the modified or deleted document if the
+     * pre-image is available for the change event and either 'required' or
+     * 'whenAvailable' was specified for the 'fullDocumentBeforeChange' option
+     * when creating the change stream. If 'whenAvailable' was specified but the
+     * pre-image is unavailable, this will be explicitly set to null.
+     */
+    fullDocumentBeforeChange?: TSchema;
+}
+
+/** @public */
+export declare type ChangeStreamDocument<TSchema extends Document = Document> = ChangeStreamInsertDocument<TSchema> | ChangeStreamUpdateDocument<TSchema> | ChangeStreamReplaceDocument<TSchema> | ChangeStreamDeleteDocument<TSchema> | ChangeStreamDropDocument | ChangeStreamRenameDocument | ChangeStreamDropDatabaseDocument | ChangeStreamInvalidateDocument | ChangeStreamCreateIndexDocument | ChangeStreamCreateDocument | ChangeStreamCollModDocument | ChangeStreamDropIndexDocument | ChangeStreamShardCollectionDocument | ChangeStreamReshardCollectionDocument | ChangeStreamRefineCollectionShardKeyDocument;
+
+/** @public */
+export declare interface ChangeStreamDocumentCollectionUUID {
+    /**
+     * The UUID (Binary subtype 4) of the collection that the operation was performed on.
+     *
+     * Only present when the `showExpandedEvents` flag is enabled.
+     *
+     * **NOTE:** collectionUUID will be converted to a NodeJS Buffer if the promoteBuffers
+     *    flag is enabled.
+     *
+     * @sinceServerVersion 6.1.0
+     */
+    collectionUUID: Binary;
+}
+
+/** @public */
+export declare interface ChangeStreamDocumentCommon {
+    /**
+     * The id functions as an opaque token for use when resuming an interrupted
+     * change stream.
+     */
+    _id: ResumeToken;
+    /**
+     * The timestamp from the oplog entry associated with the event.
+     * For events that happened as part of a multi-document transaction, the associated change stream
+     * notifications will have the same clusterTime value, namely the time when the transaction was committed.
+     * On a sharded cluster, events that occur on different shards can have the same clusterTime but be
+     * associated with different transactions or even not be associated with any transaction.
+     * To identify events for a single transaction, you can use the combination of lsid and txnNumber in the change stream event document.
+     */
+    clusterTime?: Timestamp;
+    /**
+     * The transaction number.
+     * Only present if the operation is part of a multi-document transaction.
+     *
+     * **NOTE:** txnNumber can be a Long if promoteLongs is set to false
+     */
+    txnNumber?: number;
+    /**
+     * The identifier for the session associated with the transaction.
+     * Only present if the operation is part of a multi-document transaction.
+     */
+    lsid?: ServerSessionId;
+}
+
+/** @public */
+export declare interface ChangeStreamDocumentKey<TSchema extends Document = Document> {
+    /**
+     * For unsharded collections this contains a single field `_id`.
+     * For sharded collections, this will contain all the components of the shard key
+     */
+    documentKey: {
+        _id: InferIdType<TSchema>;
+        [shardKey: string]: any;
+    };
+}
+
+/** @public */
+export declare interface ChangeStreamDocumentOperationDescription {
+    /**
+     * An description of the operation.
+     *
+     * Only present when the `showExpandedEvents` flag is enabled.
+     *
+     * @sinceServerVersion 6.1.0
+     */
+    operationDescription?: Document;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#dropdatabase-event
+ */
+export declare interface ChangeStreamDropDatabaseDocument extends ChangeStreamDocumentCommon {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'dropDatabase';
+    /** The database dropped */
+    ns: {
+        db: string;
+    };
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#drop-event
+ */
+export declare interface ChangeStreamDropDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'drop';
+    /** Namespace the drop event occured on */
+    ns: ChangeStreamNameSpace;
+}
+
+/**
+ * Only present when the `showExpandedEvents` flag is enabled.
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamDropIndexDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID, ChangeStreamDocumentOperationDescription {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'dropIndexes';
+}
+
+/** @public */
+export declare type ChangeStreamEvents<TSchema extends Document = Document, TChange extends Document = ChangeStreamDocument<TSchema>> = {
+    resumeTokenChanged(token: ResumeToken): void;
+    init(response: any): void;
+    more(response?: any): void;
+    response(): void;
+    end(): void;
+    error(error: Error): void;
+    change(change: TChange): void;
+} & AbstractCursorEvents;
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#insert-event
+ */
+export declare interface ChangeStreamInsertDocument<TSchema extends Document = Document> extends ChangeStreamDocumentCommon, ChangeStreamDocumentKey<TSchema>, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'insert';
+    /** This key will contain the document being inserted */
+    fullDocument: TSchema;
+    /** Namespace the insert event occured on */
+    ns: ChangeStreamNameSpace;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#invalidate-event
+ */
+export declare interface ChangeStreamInvalidateDocument extends ChangeStreamDocumentCommon {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'invalidate';
+}
+
+/** @public */
+export declare interface ChangeStreamNameSpace {
+    db: string;
+    coll: string;
+}
+
+/**
+ * Options that can be passed to a ChangeStream. Note that startAfter, resumeAfter, and startAtOperationTime are all mutually exclusive, and the server will error if more than one is specified.
+ * @public
+ */
+export declare interface ChangeStreamOptions extends AggregateOptions {
+    /**
+     * Allowed values: 'updateLookup', 'whenAvailable', 'required'.
+     *
+     * When set to 'updateLookup', the change notification for partial updates
+     * will include both a delta describing the changes to the document as well
+     * as a copy of the entire document that was changed from some time after
+     * the change occurred.
+     *
+     * When set to 'whenAvailable', configures the change stream to return the
+     * post-image of the modified document for replace and update change events
+     * if the post-image for this event is available.
+     *
+     * When set to 'required', the same behavior as 'whenAvailable' except that
+     * an error is raised if the post-image is not available.
+     */
+    fullDocument?: string;
+    /**
+     * Allowed values: 'whenAvailable', 'required', 'off'.
+     *
+     * The default is to not send a value, which is equivalent to 'off'.
+     *
+     * When set to 'whenAvailable', configures the change stream to return the
+     * pre-image of the modified document for replace, update, and delete change
+     * events if it is available.
+     *
+     * When set to 'required', the same behavior as 'whenAvailable' except that
+     * an error is raised if the pre-image is not available.
+     */
+    fullDocumentBeforeChange?: string;
+    /** The maximum amount of time for the server to wait on new documents to satisfy a change stream query. */
+    maxAwaitTimeMS?: number;
+    /**
+     * Allows you to start a changeStream after a specified event.
+     * @see https://docs.mongodb.com/manual/changeStreams/#resumeafter-for-change-streams
+     */
+    resumeAfter?: ResumeToken;
+    /**
+     * Similar to resumeAfter, but will allow you to start after an invalidated event.
+     * @see https://docs.mongodb.com/manual/changeStreams/#startafter-for-change-streams
+     */
+    startAfter?: ResumeToken;
+    /** Will start the changeStream after the specified operationTime. */
+    startAtOperationTime?: OperationTime;
+    /**
+     * The number of documents to return per batch.
+     * @see https://docs.mongodb.com/manual/reference/command/aggregate
+     */
+    batchSize?: number;
+    /**
+     * When enabled, configures the change stream to include extra change events.
+     *
+     * - createIndexes
+     * - dropIndexes
+     * - modify
+     * - create
+     * - shardCollection
+     * - reshardCollection
+     * - refineCollectionShardKey
+     */
+    showExpandedEvents?: boolean;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamRefineCollectionShardKeyDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID, ChangeStreamDocumentOperationDescription {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'refineCollectionShardKey';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#rename-event
+ */
+export declare interface ChangeStreamRenameDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'rename';
+    /** The new name for the `ns.coll` collection */
+    to: {
+        db: string;
+        coll: string;
+    };
+    /** The "from" namespace that the rename occured on */
+    ns: ChangeStreamNameSpace;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#replace-event
+ */
+export declare interface ChangeStreamReplaceDocument<TSchema extends Document = Document> extends ChangeStreamDocumentCommon, ChangeStreamDocumentKey<TSchema> {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'replace';
+    /** The fullDocument of a replace event represents the document after the insert of the replacement document */
+    fullDocument: TSchema;
+    /** Namespace the replace event occured on */
+    ns: ChangeStreamNameSpace;
+    /**
+     * Contains the pre-image of the modified or deleted document if the
+     * pre-image is available for the change event and either 'required' or
+     * 'whenAvailable' was specified for the 'fullDocumentBeforeChange' option
+     * when creating the change stream. If 'whenAvailable' was specified but the
+     * pre-image is unavailable, this will be explicitly set to null.
+     */
+    fullDocumentBeforeChange?: TSchema;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamReshardCollectionDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID, ChangeStreamDocumentOperationDescription {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'reshardCollection';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamShardCollectionDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID, ChangeStreamDocumentOperationDescription {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'shardCollection';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#update-event
+ */
+export declare interface ChangeStreamUpdateDocument<TSchema extends Document = Document> extends ChangeStreamDocumentCommon, ChangeStreamDocumentKey<TSchema>, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'update';
+    /**
+     * This is only set if `fullDocument` is set to `'updateLookup'`
+     * Contains the point-in-time post-image of the modified document if the
+     * post-image is available and either 'required' or 'whenAvailable' was
+     * specified for the 'fullDocument' option when creating the change stream.
+     */
+    fullDocument?: TSchema;
+    /** Contains a description of updated and removed fields in this operation */
+    updateDescription: UpdateDescription<TSchema>;
+    /** Namespace the update event occured on */
+    ns: ChangeStreamNameSpace;
+    /**
+     * Contains the pre-image of the modified or deleted document if the
+     * pre-image is available for the change event and either 'required' or
+     * 'whenAvailable' was specified for the 'fullDocumentBeforeChange' option
+     * when creating the change stream. If 'whenAvailable' was specified but the
+     * pre-image is unavailable, this will be explicitly set to null.
+     */
+    fullDocumentBeforeChange?: TSchema;
+}
+
+/** @public */
+export declare interface ClientMetadata {
+    driver: {
+        name: string;
+        version: string;
+    };
+    os: {
+        type: string;
+        name: NodeJS.Platform;
+        architecture: string;
+        version: string;
+    };
+    platform: string;
+    version?: string;
+    application?: {
+        name: string;
+    };
+}
+
+/** @public */
+export declare interface ClientMetadataOptions {
+    driverInfo?: {
+        name?: string;
+        version?: string;
+        platform?: string;
+    };
+    appName?: string;
+}
+
+/**
+ * A class representing a client session on the server
+ *
+ * NOTE: not meant to be instantiated directly.
+ * @public
+ */
+export declare class ClientSession extends TypedEventEmitter<ClientSessionEvents> {
+    /* Excluded from this release type: client */
+    /* Excluded from this release type: sessionPool */
+    hasEnded: boolean;
+    clientOptions?: MongoOptions;
+    supports: {
+        causalConsistency: boolean;
+    };
+    clusterTime?: ClusterTime;
+    operationTime?: Timestamp;
+    explicit: boolean;
+    /* Excluded from this release type: owner */
+    defaultTransactionOptions: TransactionOptions;
+    transaction: Transaction;
+    /* Excluded from this release type: [kServerSession] */
+    /* Excluded from this release type: [kSnapshotTime] */
+    /* Excluded from this release type: [kSnapshotEnabled] */
+    /* Excluded from this release type: [kPinnedConnection] */
+    /* Excluded from this release type: [kTxnNumberIncrement] */
+    /* Excluded from this release type: __constructor */
+    /** The server id associated with this session */
+    get id(): ServerSessionId | undefined;
+    get serverSession(): ServerSession;
+    /** Whether or not this session is configured for snapshot reads */
+    get snapshotEnabled(): boolean;
+    get loadBalanced(): boolean;
+    /* Excluded from this release type: pinnedConnection */
+    /* Excluded from this release type: pin */
+    /* Excluded from this release type: unpin */
+    get isPinned(): boolean;
+    /**
+     * Ends this session on the server
+     *
+     * @param options - Optional settings. Currently reserved for future use
+     * @param callback - Optional callback for completion of this operation
+     */
+    endSession(): Promise<void>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    endSession(callback: Callback<void>): void;
+    endSession(options: EndSessionOptions): Promise<void>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    endSession(options: EndSessionOptions, callback: Callback<void>): void;
+    /**
+     * Advances the operationTime for a ClientSession.
+     *
+     * @param operationTime - the `BSON.Timestamp` of the operation type it is desired to advance to
+     */
+    advanceOperationTime(operationTime: Timestamp): void;
+    /**
+     * Advances the clusterTime for a ClientSession to the provided clusterTime of another ClientSession
+     *
+     * @param clusterTime - the $clusterTime returned by the server from another session in the form of a document containing the `BSON.Timestamp` clusterTime and signature
+     */
+    advanceClusterTime(clusterTime: ClusterTime): void;
+    /**
+     * Used to determine if this session equals another
+     *
+     * @param session - The session to compare to
+     */
+    equals(session: ClientSession): boolean;
+    /**
+     * Increment the transaction number on the internal ServerSession
+     *
+     * @privateRemarks
+     * This helper increments a value stored on the client session that will be
+     * added to the serverSession's txnNumber upon applying it to a command.
+     * This is because the serverSession is lazily acquired after a connection is obtained
+     */
+    incrementTransactionNumber(): void;
+    /** @returns whether this session is currently in a transaction or not */
+    inTransaction(): boolean;
+    /**
+     * Starts a new transaction with the given options.
+     *
+     * @param options - Options for the transaction
+     */
+    startTransaction(options?: TransactionOptions): void;
+    /**
+     * Commits the currently active transaction in this session.
+     *
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    commitTransaction(): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    commitTransaction(callback: Callback<Document>): void;
+    /**
+     * Aborts the currently active transaction in this session.
+     *
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    abortTransaction(): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    abortTransaction(callback: Callback<Document>): void;
+    /**
+     * This is here to ensure that ClientSession is never serialized to BSON.
+     */
+    toBSON(): never;
+    /**
+     * Runs a provided callback within a transaction, retrying either the commitTransaction operation
+     * or entire transaction as needed (and when the error permits) to better ensure that
+     * the transaction can complete successfully.
+     *
+     * **IMPORTANT:** This method requires the user to return a Promise, and `await` all operations.
+     * Any callbacks that do not return a Promise will result in undefined behavior.
+     *
+     * @remarks
+     * This function:
+     * - Will return the command response from the final commitTransaction if every operation is successful (can be used as a truthy object)
+     * - Will return `undefined` if the transaction is explicitly aborted with `await session.abortTransaction()`
+     * - Will throw if one of the operations throws or `throw` statement is used inside the `withTransaction` callback
+     *
+     * Checkout a descriptive example here:
+     * @see https://www.mongodb.com/developer/quickstart/node-transactions/
+     *
+     * @param fn - callback to run within a transaction
+     * @param options - optional settings for the transaction
+     * @returns A raw command response or undefined
+     */
+    withTransaction<T = void>(fn: WithTransactionCallback<T>, options?: TransactionOptions): Promise<Document | undefined>;
+}
+
+/** @public */
+export declare type ClientSessionEvents = {
+    ended(session: ClientSession): void;
+};
+
+/** @public */
+export declare interface ClientSessionOptions {
+    /** Whether causal consistency should be enabled on this session */
+    causalConsistency?: boolean;
+    /** Whether all read operations should be read from the same snapshot for this session (NOTE: not compatible with `causalConsistency=true`) */
+    snapshot?: boolean;
+    /** The default TransactionOptions to use for transactions started on this session. */
+    defaultTransactionOptions?: TransactionOptions;
+    /* Excluded from this release type: owner */
+    /* Excluded from this release type: explicit */
+    /* Excluded from this release type: initialClusterTime */
+}
+
+/** @public */
+export declare interface CloseOptions {
+    force?: boolean;
+}
+
+/** @public
+ * Configuration options for clustered collections
+ * @see https://www.mongodb.com/docs/manual/core/clustered-collections/
+ */
+export declare interface ClusteredCollectionOptions extends Document {
+    name?: string;
+    key: Document;
+    unique: boolean;
+}
+
+/** @public */
+export declare interface ClusterTime {
+    clusterTime: Timestamp;
+    signature: {
+        hash: Binary;
+        keyId: Long;
+    };
+}
+
+export { Code }
+
+/** @public */
+export declare interface CollationOptions {
+    locale: string;
+    caseLevel?: boolean;
+    caseFirst?: string;
+    strength?: number;
+    numericOrdering?: boolean;
+    alternate?: string;
+    maxVariable?: string;
+    backwards?: boolean;
+    normalization?: boolean;
+}
+
+/**
+ * The **Collection** class is an internal class that embodies a MongoDB collection
+ * allowing for insert/find/update/delete and other command operation on that MongoDB collection.
+ *
+ * **COLLECTION Cannot directly be instantiated**
+ * @public
+ *
+ * @example
+ * ```ts
+ * import { MongoClient } from 'mongodb';
+ *
+ * interface Pet {
+ *   name: string;
+ *   kind: 'dog' | 'cat' | 'fish';
+ * }
+ *
+ * const client = new MongoClient('mongodb://localhost:27017');
+ * const pets = client.db().collection<Pet>('pets');
+ *
+ * const petCursor = pets.find();
+ *
+ * for await (const pet of petCursor) {
+ *   console.log(`${pet.name} is a ${pet.kind}!`);
+ * }
+ * ```
+ */
+export declare class Collection<TSchema extends Document = Document> {
+    /* Excluded from this release type: s */
+    /* Excluded from this release type: __constructor */
+    /**
+     * The name of the database this collection belongs to
+     */
+    get dbName(): string;
+    /**
+     * The name of this collection
+     */
+    get collectionName(): string;
+    /**
+     * The namespace of this collection, in the format `${this.dbName}.${this.collectionName}`
+     */
+    get namespace(): string;
+    /**
+     * The current readConcern of the collection. If not explicitly defined for
+     * this collection, will be inherited from the parent DB
+     */
+    get readConcern(): ReadConcern | undefined;
+    /**
+     * The current readPreference of the collection. If not explicitly defined for
+     * this collection, will be inherited from the parent DB
+     */
+    get readPreference(): ReadPreference | undefined;
+    get bsonOptions(): BSONSerializeOptions;
+    /**
+     * The current writeConcern of the collection. If not explicitly defined for
+     * this collection, will be inherited from the parent DB
+     */
+    get writeConcern(): WriteConcern | undefined;
+    /** The current index hint for the collection */
+    get hint(): Hint | undefined;
+    set hint(v: Hint | undefined);
+    /**
+     * Inserts a single document into MongoDB. If documents passed in do not contain the **_id** field,
+     * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+     * can be overridden by setting the **forceServerObjectId** flag.
+     *
+     * @param doc - The document to insert
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    insertOne(doc: OptionalUnlessRequiredId<TSchema>): Promise<InsertOneResult<TSchema>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    insertOne(doc: OptionalUnlessRequiredId<TSchema>, callback: Callback<InsertOneResult<TSchema>>): void;
+    insertOne(doc: OptionalUnlessRequiredId<TSchema>, options: InsertOneOptions): Promise<InsertOneResult<TSchema>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    insertOne(doc: OptionalUnlessRequiredId<TSchema>, options: InsertOneOptions, callback: Callback<InsertOneResult<TSchema>>): void;
+    /**
+     * Inserts an array of documents into MongoDB. If documents passed in do not contain the **_id** field,
+     * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+     * can be overridden by setting the **forceServerObjectId** flag.
+     *
+     * @param docs - The documents to insert
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    insertMany(docs: OptionalUnlessRequiredId<TSchema>[]): Promise<InsertManyResult<TSchema>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    insertMany(docs: OptionalUnlessRequiredId<TSchema>[], callback: Callback<InsertManyResult<TSchema>>): void;
+    insertMany(docs: OptionalUnlessRequiredId<TSchema>[], options: BulkWriteOptions): Promise<InsertManyResult<TSchema>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    insertMany(docs: OptionalUnlessRequiredId<TSchema>[], options: BulkWriteOptions, callback: Callback<InsertManyResult<TSchema>>): void;
+    /**
+     * Perform a bulkWrite operation without a fluent API
+     *
+     * Legal operation types are
+     * - `insertOne`
+     * - `replaceOne`
+     * - `updateOne`
+     * - `updateMany`
+     * - `deleteOne`
+     * - `deleteMany`
+     *
+     * Please note that raw operations are no longer accepted as of driver version 4.0.
+     *
+     * If documents passed in do not contain the **_id** field,
+     * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+     * can be overridden by setting the **forceServerObjectId** flag.
+     *
+     * @param operations - Bulk operations to perform
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     * @throws MongoDriverError if operations is not an array
+     */
+    bulkWrite(operations: AnyBulkWriteOperation<TSchema>[]): Promise<BulkWriteResult>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    bulkWrite(operations: AnyBulkWriteOperation<TSchema>[], callback: Callback<BulkWriteResult>): void;
+    bulkWrite(operations: AnyBulkWriteOperation<TSchema>[], options: BulkWriteOptions): Promise<BulkWriteResult>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    bulkWrite(operations: AnyBulkWriteOperation<TSchema>[], options: BulkWriteOptions, callback: Callback<BulkWriteResult>): void;
+    /**
+     * Update a single document in a collection
+     *
+     * @param filter - The filter used to select the document to update
+     * @param update - The update operations to be applied to the document
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    updateOne(filter: Filter<TSchema>, update: UpdateFilter<TSchema> | Partial<TSchema>): Promise<UpdateResult>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    updateOne(filter: Filter<TSchema>, update: UpdateFilter<TSchema> | Partial<TSchema>, callback: Callback<UpdateResult>): void;
+    updateOne(filter: Filter<TSchema>, update: UpdateFilter<TSchema> | Partial<TSchema>, options: UpdateOptions): Promise<UpdateResult>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    updateOne(filter: Filter<TSchema>, update: UpdateFilter<TSchema> | Partial<TSchema>, options: UpdateOptions, callback: Callback<UpdateResult>): void;
+    /**
+     * Replace a document in a collection with another document
+     *
+     * @param filter - The filter used to select the document to replace
+     * @param replacement - The Document that replaces the matching document
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    replaceOne(filter: Filter<TSchema>, replacement: WithoutId<TSchema>): Promise<UpdateResult | Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    replaceOne(filter: Filter<TSchema>, replacement: WithoutId<TSchema>, callback: Callback<UpdateResult | Document>): void;
+    replaceOne(filter: Filter<TSchema>, replacement: WithoutId<TSchema>, options: ReplaceOptions): Promise<UpdateResult | Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    replaceOne(filter: Filter<TSchema>, replacement: WithoutId<TSchema>, options: ReplaceOptions, callback: Callback<UpdateResult | Document>): void;
+    /**
+     * Update multiple documents in a collection
+     *
+     * @param filter - The filter used to select the documents to update
+     * @param update - The update operations to be applied to the documents
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    updateMany(filter: Filter<TSchema>, update: UpdateFilter<TSchema>): Promise<UpdateResult | Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    updateMany(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, callback: Callback<UpdateResult | Document>): void;
+    updateMany(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, options: UpdateOptions): Promise<UpdateResult | Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    updateMany(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, options: UpdateOptions, callback: Callback<UpdateResult | Document>): void;
+    /**
+     * Delete a document from a collection
+     *
+     * @param filter - The filter used to select the document to remove
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    deleteOne(filter: Filter<TSchema>): Promise<DeleteResult>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    deleteOne(filter: Filter<TSchema>, callback: Callback<DeleteResult>): void;
+    deleteOne(filter: Filter<TSchema>, options: DeleteOptions): Promise<DeleteResult>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    deleteOne(filter: Filter<TSchema>, options: DeleteOptions, callback?: Callback<DeleteResult>): void;
+    /**
+     * Delete multiple documents from a collection
+     *
+     * @param filter - The filter used to select the documents to remove
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    deleteMany(filter: Filter<TSchema>): Promise<DeleteResult>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    deleteMany(filter: Filter<TSchema>, callback: Callback<DeleteResult>): void;
+    deleteMany(filter: Filter<TSchema>, options: DeleteOptions): Promise<DeleteResult>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    deleteMany(filter: Filter<TSchema>, options: DeleteOptions, callback: Callback<DeleteResult>): void;
+    /**
+     * Rename the collection.
+     *
+     * @remarks
+     * This operation does not inherit options from the Db or MongoClient.
+     *
+     * @param newName - New name of of the collection.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    rename(newName: string): Promise<Collection>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    rename(newName: string, callback: Callback<Collection>): void;
+    rename(newName: string, options: RenameOptions): Promise<Collection>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    rename(newName: string, options: RenameOptions, callback: Callback<Collection>): void;
+    /**
+     * Drop the collection from the database, removing it permanently. New accesses will create a new collection.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    drop(): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    drop(callback: Callback<boolean>): void;
+    drop(options: DropCollectionOptions): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    drop(options: DropCollectionOptions, callback: Callback<boolean>): void;
+    /**
+     * Fetches the first document that matches the filter
+     *
+     * @param filter - Query for find Operation
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    findOne(): Promise<WithId<TSchema> | null>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    findOne(callback: Callback<WithId<TSchema> | null>): void;
+    findOne(filter: Filter<TSchema>): Promise<WithId<TSchema> | null>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    findOne(filter: Filter<TSchema>, callback: Callback<WithId<TSchema> | null>): void;
+    findOne(filter: Filter<TSchema>, options: FindOptions): Promise<WithId<TSchema> | null>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    findOne(filter: Filter<TSchema>, options: FindOptions, callback: Callback<WithId<TSchema> | null>): void;
+    findOne<T = TSchema>(): Promise<T | null>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    findOne<T = TSchema>(callback: Callback<T | null>): void;
+    findOne<T = TSchema>(filter: Filter<TSchema>): Promise<T | null>;
+    findOne<T = TSchema>(filter: Filter<TSchema>, options?: FindOptions): Promise<T | null>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    findOne<T = TSchema>(filter: Filter<TSchema>, options?: FindOptions, callback?: Callback<T | null>): void;
+    /**
+     * Creates a cursor for a filter that can be used to iterate over results from MongoDB
+     *
+     * @param filter - The filter predicate. If unspecified, then all documents in the collection will match the predicate
+     */
+    find(): FindCursor<WithId<TSchema>>;
+    find(filter: Filter<TSchema>, options?: FindOptions): FindCursor<WithId<TSchema>>;
+    find<T extends Document>(filter: Filter<TSchema>, options?: FindOptions): FindCursor<T>;
+    /**
+     * Returns the options of the collection.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    options(): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    options(callback: Callback<Document>): void;
+    options(options: OperationOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    options(options: OperationOptions, callback: Callback<Document>): void;
+    /**
+     * Returns if the collection is a capped collection
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    isCapped(): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    isCapped(callback: Callback<boolean>): void;
+    isCapped(options: OperationOptions): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    isCapped(options: OperationOptions, callback: Callback<boolean>): void;
+    /**
+     * Creates an index on the db and collection collection.
+     *
+     * @param indexSpec - The field name or index specification to create an index for
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     *
+     * @example
+     * ```ts
+     * const collection = client.db('foo').collection('bar');
+     *
+     * await collection.createIndex({ a: 1, b: -1 });
+     *
+     * // Alternate syntax for { c: 1, d: -1 } that ensures order of indexes
+     * await collection.createIndex([ [c, 1], [d, -1] ]);
+     *
+     * // Equivalent to { e: 1 }
+     * await collection.createIndex('e');
+     *
+     * // Equivalent to { f: 1, g: 1 }
+     * await collection.createIndex(['f', 'g'])
+     *
+     * // Equivalent to { h: 1, i: -1 }
+     * await collection.createIndex([ { h: 1 }, { i: -1 } ]);
+     *
+     * // Equivalent to { j: 1, k: -1, l: 2d }
+     * await collection.createIndex(['j', ['k', -1], { l: '2d' }])
+     * ```
+     */
+    createIndex(indexSpec: IndexSpecification): Promise<string>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    createIndex(indexSpec: IndexSpecification, callback: Callback<string>): void;
+    createIndex(indexSpec: IndexSpecification, options: CreateIndexesOptions): Promise<string>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    createIndex(indexSpec: IndexSpecification, options: CreateIndexesOptions, callback: Callback<string>): void;
+    /**
+     * Creates multiple indexes in the collection, this method is only supported for
+     * MongoDB 2.6 or higher. Earlier version of MongoDB will throw a command not supported
+     * error.
+     *
+     * **Note**: Unlike {@link Collection#createIndex| createIndex}, this function takes in raw index specifications.
+     * Index specifications are defined {@link http://docs.mongodb.org/manual/reference/command/createIndexes/| here}.
+     *
+     * @param indexSpecs - An array of index specifications to be created
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     *
+     * @example
+     * ```ts
+     * const collection = client.db('foo').collection('bar');
+     * await collection.createIndexes([
+     *   // Simple index on field fizz
+     *   {
+     *     key: { fizz: 1 },
+     *   }
+     *   // wildcard index
+     *   {
+     *     key: { '$**': 1 }
+     *   },
+     *   // named index on darmok and jalad
+     *   {
+     *     key: { darmok: 1, jalad: -1 }
+     *     name: 'tanagra'
+     *   }
+     * ]);
+     * ```
+     */
+    createIndexes(indexSpecs: IndexDescription[]): Promise<string[]>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    createIndexes(indexSpecs: IndexDescription[], callback: Callback<string[]>): void;
+    createIndexes(indexSpecs: IndexDescription[], options: CreateIndexesOptions): Promise<string[]>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    createIndexes(indexSpecs: IndexDescription[], options: CreateIndexesOptions, callback: Callback<string[]>): void;
+    /**
+     * Drops an index from this collection.
+     *
+     * @param indexName - Name of the index to drop.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    dropIndex(indexName: string): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    dropIndex(indexName: string, callback: Callback<Document>): void;
+    dropIndex(indexName: string, options: DropIndexesOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    dropIndex(indexName: string, options: DropIndexesOptions, callback: Callback<Document>): void;
+    /**
+     * Drops all indexes from this collection.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    dropIndexes(): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    dropIndexes(callback: Callback<Document>): void;
+    dropIndexes(options: DropIndexesOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    dropIndexes(options: DropIndexesOptions, callback: Callback<Document>): void;
+    /**
+     * Get the list of all indexes information for the collection.
+     *
+     * @param options - Optional settings for the command
+     */
+    listIndexes(options?: ListIndexesOptions): ListIndexesCursor;
+    /**
+     * Checks if one or more indexes exist on the collection, fails on first non-existing index
+     *
+     * @param indexes - One or more index names to check.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    indexExists(indexes: string | string[]): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    indexExists(indexes: string | string[], callback: Callback<boolean>): void;
+    indexExists(indexes: string | string[], options: IndexInformationOptions): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    indexExists(indexes: string | string[], options: IndexInformationOptions, callback: Callback<boolean>): void;
+    /**
+     * Retrieves this collections index info.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    indexInformation(): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    indexInformation(callback: Callback<Document>): void;
+    indexInformation(options: IndexInformationOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    indexInformation(options: IndexInformationOptions, callback: Callback<Document>): void;
+    /**
+     * Gets an estimate of the count of documents in a collection using collection metadata.
+     * This will always run a count command on all server versions.
+     *
+     * due to an oversight in versions 5.0.0-5.0.8 of MongoDB, the count command,
+     * which estimatedDocumentCount uses in its implementation, was not included in v1 of
+     * the Stable API, and so users of the Stable API with estimatedDocumentCount are
+     * recommended to upgrade their server version to 5.0.9+ or set apiStrict: false to avoid
+     * encountering errors.
+     *
+     * @see {@link https://www.mongodb.com/docs/manual/reference/command/count/#behavior|Count: Behavior}
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    estimatedDocumentCount(): Promise<number>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    estimatedDocumentCount(callback: Callback<number>): void;
+    estimatedDocumentCount(options: EstimatedDocumentCountOptions): Promise<number>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    estimatedDocumentCount(options: EstimatedDocumentCountOptions, callback: Callback<number>): void;
+    /**
+     * Gets the number of documents matching the filter.
+     * For a fast count of the total documents in a collection see {@link Collection#estimatedDocumentCount| estimatedDocumentCount}.
+     * **Note**: When migrating from {@link Collection#count| count} to {@link Collection#countDocuments| countDocuments}
+     * the following query operators must be replaced:
+     *
+     * | Operator | Replacement |
+     * | -------- | ----------- |
+     * | `$where`   | [`$expr`][1] |
+     * | `$near`    | [`$geoWithin`][2] with [`$center`][3] |
+     * | `$nearSphere` | [`$geoWithin`][2] with [`$centerSphere`][4] |
+     *
+     * [1]: https://docs.mongodb.com/manual/reference/operator/query/expr/
+     * [2]: https://docs.mongodb.com/manual/reference/operator/query/geoWithin/
+     * [3]: https://docs.mongodb.com/manual/reference/operator/query/center/#op._S_center
+     * [4]: https://docs.mongodb.com/manual/reference/operator/query/centerSphere/#op._S_centerSphere
+     *
+     * @param filter - The filter for the count
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     *
+     * @see https://docs.mongodb.com/manual/reference/operator/query/expr/
+     * @see https://docs.mongodb.com/manual/reference/operator/query/geoWithin/
+     * @see https://docs.mongodb.com/manual/reference/operator/query/center/#op._S_center
+     * @see https://docs.mongodb.com/manual/reference/operator/query/centerSphere/#op._S_centerSphere
+     */
+    countDocuments(): Promise<number>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    countDocuments(callback: Callback<number>): void;
+    countDocuments(filter: Filter<TSchema>): Promise<number>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    countDocuments(callback: Callback<number>): void;
+    countDocuments(filter: Filter<TSchema>, options: CountDocumentsOptions): Promise<number>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    countDocuments(filter: Filter<TSchema>, options: CountDocumentsOptions, callback: Callback<number>): void;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    countDocuments(filter: Filter<TSchema>, callback: Callback<number>): void;
+    /**
+     * The distinct command returns a list of distinct values for the given key across a collection.
+     *
+     * @param key - Field of the document to find distinct values for
+     * @param filter - The filter for filtering the set of documents to which we apply the distinct filter.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    distinct<Key extends keyof WithId<TSchema>>(key: Key): Promise<Array<Flatten<WithId<TSchema>[Key]>>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    distinct<Key extends keyof WithId<TSchema>>(key: Key, callback: Callback<Array<Flatten<WithId<TSchema>[Key]>>>): void;
+    distinct<Key extends keyof WithId<TSchema>>(key: Key, filter: Filter<TSchema>): Promise<Array<Flatten<WithId<TSchema>[Key]>>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    distinct<Key extends keyof WithId<TSchema>>(key: Key, filter: Filter<TSchema>, callback: Callback<Array<Flatten<WithId<TSchema>[Key]>>>): void;
+    distinct<Key extends keyof WithId<TSchema>>(key: Key, filter: Filter<TSchema>, options: DistinctOptions): Promise<Array<Flatten<WithId<TSchema>[Key]>>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    distinct<Key extends keyof WithId<TSchema>>(key: Key, filter: Filter<TSchema>, options: DistinctOptions, callback: Callback<Array<Flatten<WithId<TSchema>[Key]>>>): void;
+    distinct(key: string): Promise<any[]>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    distinct(key: string, callback: Callback<any[]>): void;
+    distinct(key: string, filter: Filter<TSchema>): Promise<any[]>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    distinct(key: string, filter: Filter<TSchema>, callback: Callback<any[]>): void;
+    distinct(key: string, filter: Filter<TSchema>, options: DistinctOptions): Promise<any[]>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    distinct(key: string, filter: Filter<TSchema>, options: DistinctOptions, callback: Callback<any[]>): void;
+    /**
+     * Retrieve all the indexes on the collection.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    indexes(): Promise<Document[]>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    indexes(callback: Callback<Document[]>): void;
+    indexes(options: IndexInformationOptions): Promise<Document[]>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    indexes(options: IndexInformationOptions, callback: Callback<Document[]>): void;
+    /**
+     * Get all the collection statistics.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    stats(): Promise<CollStats>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    stats(callback: Callback<CollStats>): void;
+    stats(options: CollStatsOptions): Promise<CollStats>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    stats(options: CollStatsOptions, callback: Callback<CollStats>): void;
+    /**
+     * Find a document and delete it in one atomic operation. Requires a write lock for the duration of the operation.
+     *
+     * @param filter - The filter used to select the document to remove
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    findOneAndDelete(filter: Filter<TSchema>): Promise<ModifyResult<TSchema>>;
+    findOneAndDelete(filter: Filter<TSchema>, options: FindOneAndDeleteOptions): Promise<ModifyResult<TSchema>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    findOneAndDelete(filter: Filter<TSchema>, callback: Callback<ModifyResult<TSchema>>): void;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    findOneAndDelete(filter: Filter<TSchema>, options: FindOneAndDeleteOptions, callback: Callback<ModifyResult<TSchema>>): void;
+    /**
+     * Find a document and replace it in one atomic operation. Requires a write lock for the duration of the operation.
+     *
+     * @param filter - The filter used to select the document to replace
+     * @param replacement - The Document that replaces the matching document
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    findOneAndReplace(filter: Filter<TSchema>, replacement: WithoutId<TSchema>): Promise<ModifyResult<TSchema>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    findOneAndReplace(filter: Filter<TSchema>, replacement: WithoutId<TSchema>, callback: Callback<ModifyResult<TSchema>>): void;
+    findOneAndReplace(filter: Filter<TSchema>, replacement: WithoutId<TSchema>, options: FindOneAndReplaceOptions): Promise<ModifyResult<TSchema>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    findOneAndReplace(filter: Filter<TSchema>, replacement: WithoutId<TSchema>, options: FindOneAndReplaceOptions, callback: Callback<ModifyResult<TSchema>>): void;
+    /**
+     * Find a document and update it in one atomic operation. Requires a write lock for the duration of the operation.
+     *
+     * @param filter - The filter used to select the document to update
+     * @param update - Update operations to be performed on the document
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    findOneAndUpdate(filter: Filter<TSchema>, update: UpdateFilter<TSchema>): Promise<ModifyResult<TSchema>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    findOneAndUpdate(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, callback: Callback<ModifyResult<TSchema>>): void;
+    findOneAndUpdate(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, options: FindOneAndUpdateOptions): Promise<ModifyResult<TSchema>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    findOneAndUpdate(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, options: FindOneAndUpdateOptions, callback: Callback<ModifyResult<TSchema>>): void;
+    /**
+     * Execute an aggregation framework pipeline against the collection, needs MongoDB \>= 2.2
+     *
+     * @param pipeline - An array of aggregation pipelines to execute
+     * @param options - Optional settings for the command
+     */
+    aggregate<T extends Document = Document>(pipeline?: Document[], options?: AggregateOptions): AggregationCursor<T>;
+    /**
+     * Create a new Change Stream, watching for new changes (insertions, updates, replacements, deletions, and invalidations) in this collection.
+     *
+     * @remarks
+     * watch() accepts two generic arguments for distinct usecases:
+     * - The first is to override the schema that may be defined for this specific collection
+     * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+     * @example
+     * By just providing the first argument I can type the change to be `ChangeStreamDocument<{ _id: number }>`
+     * ```ts
+     * collection.watch<{ _id: number }>()
+     *   .on('change', change => console.log(change._id.toFixed(4)));
+     * ```
+     *
+     * @example
+     * Passing a second argument provides a way to reflect the type changes caused by an advanced pipeline.
+     * Here, we are using a pipeline to have MongoDB filter for insert changes only and add a comment.
+     * No need start from scratch on the ChangeStreamInsertDocument type!
+     * By using an intersection we can save time and ensure defaults remain the same type!
+     * ```ts
+     * collection
+     *   .watch<Schema, ChangeStreamInsertDocument<Schema> & { comment: string }>([
+     *     { $addFields: { comment: 'big changes' } },
+     *     { $match: { operationType: 'insert' } }
+     *   ])
+     *   .on('change', change => {
+     *     change.comment.startsWith('big');
+     *     change.operationType === 'insert';
+     *     // No need to narrow in code because the generics did that for us!
+     *     expectType<Schema>(change.fullDocument);
+     *   });
+     * ```
+     *
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+     * @param options - Optional settings for the command
+     * @typeParam TLocal - Type of the data being detected by the change stream
+     * @typeParam TChange - Type of the whole change stream document emitted
+     */
+    watch<TLocal extends Document = TSchema, TChange extends Document = ChangeStreamDocument<TLocal>>(pipeline?: Document[], options?: ChangeStreamOptions): ChangeStream<TLocal, TChange>;
+    /**
+     * Run Map Reduce across a collection. Be aware that the inline option for out will return an array of results not a collection.
+     *
+     * @deprecated collection.mapReduce is deprecated. Use the aggregation pipeline instead. Visit https://docs.mongodb.com/manual/reference/map-reduce-to-aggregation-pipeline for more information on how to translate map-reduce operations to the aggregation pipeline.
+     * @param map - The mapping function.
+     * @param reduce - The reduce function.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    mapReduce<TKey = any, TValue = any>(map: string | MapFunction<TSchema>, reduce: string | ReduceFunction<TKey, TValue>): Promise<Document | Document[]>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    mapReduce<TKey = any, TValue = any>(map: string | MapFunction<TSchema>, reduce: string | ReduceFunction<TKey, TValue>, callback: Callback<Document | Document[]>): void;
+    mapReduce<TKey = any, TValue = any>(map: string | MapFunction<TSchema>, reduce: string | ReduceFunction<TKey, TValue>, options: MapReduceOptions<TKey, TValue>): Promise<Document | Document[]>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    mapReduce<TKey = any, TValue = any>(map: string | MapFunction<TSchema>, reduce: string | ReduceFunction<TKey, TValue>, options: MapReduceOptions<TKey, TValue>, callback: Callback<Document | Document[]>): void;
+    /**
+     * Initiate an Out of order batch write operation. All operations will be buffered into insert/update/remove commands executed out of order.
+     *
+     * @throws MongoNotConnectedError
+     * @remarks
+     * **NOTE:** MongoClient must be connected prior to calling this method due to a known limitation in this legacy implemenation.
+     * However, `collection.bulkWrite()` provides an equivalent API that does not require prior connecting.
+     */
+    initializeUnorderedBulkOp(options?: BulkWriteOptions): UnorderedBulkOperation;
+    /**
+     * Initiate an In order bulk write operation. Operations will be serially executed in the order they are added, creating a new operation for each switch in types.
+     *
+     * @throws MongoNotConnectedError
+     * @remarks
+     * **NOTE:** MongoClient must be connected prior to calling this method due to a known limitation in this legacy implemenation.
+     * However, `collection.bulkWrite()` provides an equivalent API that does not require prior connecting.
+     */
+    initializeOrderedBulkOp(options?: BulkWriteOptions): OrderedBulkOperation;
+    /** Get the db scoped logger */
+    getLogger(): Logger;
+    get logger(): Logger;
+    /**
+     * Inserts a single document or a an array of documents into MongoDB. If documents passed in do not contain the **_id** field,
+     * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+     * can be overridden by setting the **forceServerObjectId** flag.
+     *
+     * @deprecated Use insertOne, insertMany or bulkWrite instead. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance
+     * @param docs - The documents to insert
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    insert(docs: OptionalUnlessRequiredId<TSchema>[], options: BulkWriteOptions, callback: Callback<InsertManyResult<TSchema>>): Promise<InsertManyResult<TSchema>> | void;
+    /**
+     * Updates documents.
+     *
+     * @deprecated use updateOne, updateMany or bulkWrite. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance
+     * @param filter - The filter for the update operation.
+     * @param update - The update operations to be applied to the documents
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    update(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, options: UpdateOptions, callback: Callback<Document>): Promise<UpdateResult> | void;
+    /**
+     * Remove documents.
+     *
+     * @deprecated use deleteOne, deleteMany or bulkWrite. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance
+     * @param filter - The filter for the remove operation.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    remove(filter: Filter<TSchema>, options: DeleteOptions, callback: Callback): Promise<DeleteResult> | void;
+    /**
+     * An estimated count of matching documents in the db to a filter.
+     *
+     * **NOTE:** This method has been deprecated, since it does not provide an accurate count of the documents
+     * in a collection. To obtain an accurate count of documents in the collection, use {@link Collection#countDocuments| countDocuments}.
+     * To obtain an estimated count of all documents in the collection, use {@link Collection#estimatedDocumentCount| estimatedDocumentCount}.
+     *
+     * @deprecated use {@link Collection#countDocuments| countDocuments} or {@link Collection#estimatedDocumentCount| estimatedDocumentCount} instead
+     *
+     * @param filter - The filter for the count.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    count(): Promise<number>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    count(callback: Callback<number>): void;
+    count(filter: Filter<TSchema>): Promise<number>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    count(filter: Filter<TSchema>, callback: Callback<number>): void;
+    count(filter: Filter<TSchema>, options: CountOptions): Promise<number>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    count(filter: Filter<TSchema>, options: CountOptions, callback: Callback<number>): Promise<number> | void;
+}
+
+/** @public */
+export declare interface CollectionInfo extends Document {
+    name: string;
+    type?: string;
+    options?: Document;
+    info?: {
+        readOnly?: false;
+        uuid?: Binary;
+    };
+    idIndex?: Document;
+}
+
+/** @public */
+export declare interface CollectionOptions extends BSONSerializeOptions, WriteConcernOptions, LoggerOptions {
+    /**
+     * @deprecated Use readPreference instead
+     */
+    slaveOk?: boolean;
+    /** Specify a read concern for the collection. (only MongoDB 3.2 or higher supported) */
+    readConcern?: ReadConcernLike;
+    /** The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). */
+    readPreference?: ReadPreferenceLike;
+}
+
+/* Excluded from this release type: CollectionPrivate */
+
+/**
+ * @public
+ * @see https://docs.mongodb.org/manual/reference/command/collStats/
+ */
+export declare interface CollStats extends Document {
+    /** Namespace */
+    ns: string;
+    /** Number of documents */
+    count: number;
+    /** Collection size in bytes */
+    size: number;
+    /** Average object size in bytes */
+    avgObjSize: number;
+    /** (Pre)allocated space for the collection in bytes */
+    storageSize: number;
+    /** Number of extents (contiguously allocated chunks of datafile space) */
+    numExtents: number;
+    /** Number of indexes */
+    nindexes: number;
+    /** Size of the most recently created extent in bytes */
+    lastExtentSize: number;
+    /** Padding can speed up updates if documents grow */
+    paddingFactor: number;
+    /** A number that indicates the user-set flags on the collection. userFlags only appears when using the mmapv1 storage engine */
+    userFlags?: number;
+    /** Total index size in bytes */
+    totalIndexSize: number;
+    /** Size of specific indexes in bytes */
+    indexSizes: {
+        _id_: number;
+        [index: string]: number;
+    };
+    /** `true` if the collection is capped */
+    capped: boolean;
+    /** The maximum number of documents that may be present in a capped collection */
+    max: number;
+    /** The maximum size of a capped collection */
+    maxSize: number;
+    /** This document contains data reported directly by the WiredTiger engine and other data for internal diagnostic use */
+    wiredTiger?: WiredTigerData;
+    /** The fields in this document are the names of the indexes, while the values themselves are documents that contain statistics for the index provided by the storage engine */
+    indexDetails?: any;
+    ok: number;
+    /** The amount of storage available for reuse. The scale argument affects this value. */
+    freeStorageSize?: number;
+    /** An array that contains the names of the indexes that are currently being built on the collection */
+    indexBuilds?: number;
+    /** The sum of the storageSize and totalIndexSize. The scale argument affects this value */
+    totalSize: number;
+    /** The scale value used by the command. */
+    scaleFactor: number;
+}
+
+/** @public */
+export declare interface CollStatsOptions extends CommandOperationOptions {
+    /** Divide the returned sizes by scale value. */
+    scale?: number;
+}
+
+/**
+ * An event indicating the failure of a given command
+ * @public
+ * @category Event
+ */
+export declare class CommandFailedEvent {
+    address: string;
+    connectionId?: string | number;
+    requestId: number;
+    duration: number;
+    commandName: string;
+    failure: Error;
+    serviceId?: ObjectId;
+    /* Excluded from this release type: __constructor */
+    get hasServiceId(): boolean;
+}
+
+/* Excluded from this release type: CommandOperation */
+
+/** @public */
+export declare interface CommandOperationOptions extends OperationOptions, WriteConcernOptions, ExplainOptions {
+    /** @deprecated This option does nothing */
+    fullResponse?: boolean;
+    /** Specify a read concern and level for the collection. (only MongoDB 3.2 or higher supported) */
+    readConcern?: ReadConcernLike;
+    /** Collation */
+    collation?: CollationOptions;
+    maxTimeMS?: number;
+    /**
+     * Comment to apply to the operation.
+     *
+     * In server versions pre-4.4, 'comment' must be string.  A server
+     * error will be thrown if any other type is provided.
+     *
+     * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+     */
+    comment?: unknown;
+    /** Should retry failed writes */
+    retryWrites?: boolean;
+    dbName?: string;
+    authdb?: string;
+    noResponse?: boolean;
+}
+
+/* Excluded from this release type: CommandOptions */
+
+/**
+ * An event indicating the start of a given
+ * @public
+ * @category Event
+ */
+export declare class CommandStartedEvent {
+    commandObj?: Document;
+    requestId: number;
+    databaseName: string;
+    commandName: string;
+    command: Document;
+    address: string;
+    connectionId?: string | number;
+    serviceId?: ObjectId;
+    /* Excluded from this release type: __constructor */
+    get hasServiceId(): boolean;
+}
+
+/**
+ * An event indicating the success of a given command
+ * @public
+ * @category Event
+ */
+export declare class CommandSucceededEvent {
+    address: string;
+    connectionId?: string | number;
+    requestId: number;
+    duration: number;
+    commandName: string;
+    reply: unknown;
+    serviceId?: ObjectId;
+    /* Excluded from this release type: __constructor */
+    get hasServiceId(): boolean;
+}
+
+/** @public */
+export declare type CommonEvents = 'newListener' | 'removeListener';
+
+/** @public */
+export declare const Compressor: Readonly<{
+    readonly none: 0;
+    readonly snappy: 1;
+    readonly zlib: 2;
+    readonly zstd: 3;
+}>;
+
+/** @public */
+export declare type Compressor = typeof Compressor[CompressorName];
+
+/** @public */
+export declare type CompressorName = keyof typeof Compressor;
+
+/** @public */
+export declare type Condition<T> = AlternativeType<T> | FilterOperators<AlternativeType<T>>;
+
+/* Excluded from this release type: Connection */
+
+/**
+ * An event published when a connection is checked into the connection pool
+ * @public
+ * @category Event
+ */
+export declare class ConnectionCheckedInEvent extends ConnectionPoolMonitoringEvent {
+    /** The id of the connection */
+    connectionId: number | '<monitor>';
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a connection is checked out of the connection pool
+ * @public
+ * @category Event
+ */
+export declare class ConnectionCheckedOutEvent extends ConnectionPoolMonitoringEvent {
+    /** The id of the connection */
+    connectionId: number | '<monitor>';
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a request to check a connection out fails
+ * @public
+ * @category Event
+ */
+export declare class ConnectionCheckOutFailedEvent extends ConnectionPoolMonitoringEvent {
+    /** The reason the attempt to check out failed */
+    reason: AnyError | string;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a request to check a connection out begins
+ * @public
+ * @category Event
+ */
+export declare class ConnectionCheckOutStartedEvent extends ConnectionPoolMonitoringEvent {
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a connection is closed
+ * @public
+ * @category Event
+ */
+export declare class ConnectionClosedEvent extends ConnectionPoolMonitoringEvent {
+    /** The id of the connection */
+    connectionId: number | '<monitor>';
+    /** The reason the connection was closed */
+    reason: string;
+    serviceId?: ObjectId;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a connection pool creates a new connection
+ * @public
+ * @category Event
+ */
+export declare class ConnectionCreatedEvent extends ConnectionPoolMonitoringEvent {
+    /** A monotonically increasing, per-pool id for the newly created connection */
+    connectionId: number | '<monitor>';
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare type ConnectionEvents = {
+    commandStarted(event: CommandStartedEvent): void;
+    commandSucceeded(event: CommandSucceededEvent): void;
+    commandFailed(event: CommandFailedEvent): void;
+    clusterTimeReceived(clusterTime: Document): void;
+    close(): void;
+    message(message: any): void;
+    pinned(pinType: string): void;
+    unpinned(pinType: string): void;
+};
+
+/** @public */
+export declare interface ConnectionOptions extends SupportedNodeConnectionOptions, StreamDescriptionOptions, ProxyOptions {
+    id: number | '<monitor>';
+    generation: number;
+    hostAddress: HostAddress;
+    autoEncrypter?: AutoEncrypter;
+    serverApi?: ServerApi;
+    monitorCommands: boolean;
+    /* Excluded from this release type: connectionType */
+    credentials?: MongoCredentials;
+    connectTimeoutMS?: number;
+    tls: boolean;
+    keepAlive?: boolean;
+    keepAliveInitialDelay?: number;
+    noDelay?: boolean;
+    socketTimeoutMS?: number;
+    cancellationToken?: CancellationToken;
+    metadata: ClientMetadata;
+}
+
+/* Excluded from this release type: ConnectionPool */
+
+/**
+ * An event published when a connection pool is cleared
+ * @public
+ * @category Event
+ */
+export declare class ConnectionPoolClearedEvent extends ConnectionPoolMonitoringEvent {
+    /* Excluded from this release type: serviceId */
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a connection pool is closed
+ * @public
+ * @category Event
+ */
+export declare class ConnectionPoolClosedEvent extends ConnectionPoolMonitoringEvent {
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a connection pool is created
+ * @public
+ * @category Event
+ */
+export declare class ConnectionPoolCreatedEvent extends ConnectionPoolMonitoringEvent {
+    /** The options used to create this connection pool */
+    options?: ConnectionPoolOptions;
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare type ConnectionPoolEvents = {
+    connectionPoolCreated(event: ConnectionPoolCreatedEvent): void;
+    connectionPoolReady(event: ConnectionPoolReadyEvent): void;
+    connectionPoolClosed(event: ConnectionPoolClosedEvent): void;
+    connectionPoolCleared(event: ConnectionPoolClearedEvent): void;
+    connectionCreated(event: ConnectionCreatedEvent): void;
+    connectionReady(event: ConnectionReadyEvent): void;
+    connectionClosed(event: ConnectionClosedEvent): void;
+    connectionCheckOutStarted(event: ConnectionCheckOutStartedEvent): void;
+    connectionCheckOutFailed(event: ConnectionCheckOutFailedEvent): void;
+    connectionCheckedOut(event: ConnectionCheckedOutEvent): void;
+    connectionCheckedIn(event: ConnectionCheckedInEvent): void;
+} & Omit<ConnectionEvents, 'close' | 'message'>;
+
+/* Excluded from this release type: ConnectionPoolMetrics */
+
+/**
+ * The base export class for all monitoring events published from the connection pool
+ * @public
+ * @category Event
+ */
+export declare class ConnectionPoolMonitoringEvent {
+    /** A timestamp when the event was created  */
+    time: Date;
+    /** The address (host/port pair) of the pool */
+    address: string;
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare interface ConnectionPoolOptions extends Omit<ConnectionOptions, 'id' | 'generation'> {
+    /** The maximum number of connections that may be associated with a pool at a given time. This includes in use and available connections. */
+    maxPoolSize: number;
+    /** The minimum number of connections that MUST exist at any moment in a single connection pool. */
+    minPoolSize: number;
+    /** The maximum number of connections that may be in the process of being established concurrently by the connection pool. */
+    maxConnecting: number;
+    /** The maximum amount of time a connection should remain idle in the connection pool before being marked idle. */
+    maxIdleTimeMS: number;
+    /** The maximum amount of time operation execution should wait for a connection to become available. The default is 0 which means there is no limit. */
+    waitQueueTimeoutMS: number;
+    /** If we are in load balancer mode. */
+    loadBalanced: boolean;
+}
+
+/**
+ * An event published when a connection pool is ready
+ * @public
+ * @category Event
+ */
+export declare class ConnectionPoolReadyEvent extends ConnectionPoolMonitoringEvent {
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a connection is ready for use
+ * @public
+ * @category Event
+ */
+export declare class ConnectionReadyEvent extends ConnectionPoolMonitoringEvent {
+    /** The id of the connection */
+    connectionId: number | '<monitor>';
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare interface ConnectOptions {
+    readPreference?: ReadPreference;
+}
+
+/** @public */
+export declare interface CountDocumentsOptions extends AggregateOptions {
+    /** The number of documents to skip. */
+    skip?: number;
+    /** The maximum amounts to count before aborting. */
+    limit?: number;
+}
+
+/** @public */
+export declare interface CountOptions extends CommandOperationOptions {
+    /** The number of documents to skip. */
+    skip?: number;
+    /** The maximum amounts to count before aborting. */
+    limit?: number;
+    /** Number of milliseconds to wait before aborting the query. */
+    maxTimeMS?: number;
+    /** An index name hint for the query. */
+    hint?: string | Document;
+}
+
+/** @public */
+export declare interface CreateCollectionOptions extends CommandOperationOptions {
+    /** Returns an error if the collection does not exist */
+    strict?: boolean;
+    /** Create a capped collection */
+    capped?: boolean;
+    /** @deprecated Create an index on the _id field of the document, True by default on MongoDB 2.6 - 3.0 */
+    autoIndexId?: boolean;
+    /** The size of the capped collection in bytes */
+    size?: number;
+    /** The maximum number of documents in the capped collection */
+    max?: number;
+    /** Available for the MMAPv1 storage engine only to set the usePowerOf2Sizes and the noPadding flag */
+    flags?: number;
+    /** Allows users to specify configuration to the storage engine on a per-collection basis when creating a collection on MongoDB 3.0 or higher */
+    storageEngine?: Document;
+    /** Allows users to specify validation rules or expressions for the collection. For more information, see Document Validation on MongoDB 3.2 or higher */
+    validator?: Document;
+    /** Determines how strictly MongoDB applies the validation rules to existing documents during an update on MongoDB 3.2 or higher */
+    validationLevel?: string;
+    /** Determines whether to error on invalid documents or just warn about the violations but allow invalid documents to be inserted on MongoDB 3.2 or higher */
+    validationAction?: string;
+    /** Allows users to specify a default configuration for indexes when creating a collection on MongoDB 3.2 or higher */
+    indexOptionDefaults?: Document;
+    /** The name of the source collection or view from which to create the view. The name is not the full namespace of the collection or view; i.e. does not include the database name and implies the same database as the view to create on MongoDB 3.4 or higher */
+    viewOn?: string;
+    /** An array that consists of the aggregation pipeline stage. Creates the view by applying the specified pipeline to the viewOn collection or view on MongoDB 3.4 or higher */
+    pipeline?: Document[];
+    /** A primary key factory function for generation of custom _id keys. */
+    pkFactory?: PkFactory;
+    /** A document specifying configuration options for timeseries collections. */
+    timeseries?: TimeSeriesCollectionOptions;
+    /** A document specifying configuration options for clustered collections. For MongoDB 5.3 and above. */
+    clusteredIndex?: ClusteredCollectionOptions;
+    /** The number of seconds after which a document in a timeseries or clustered collection expires. */
+    expireAfterSeconds?: number;
+    /** @experimental */
+    encryptedFields?: Document;
+    /**
+     * If set, enables pre-update and post-update document events to be included for any
+     * change streams that listen on this collection.
+     */
+    changeStreamPreAndPostImages?: {
+        enabled: boolean;
+    };
+}
+
+/** @public */
+export declare interface CreateIndexesOptions extends CommandOperationOptions {
+    /** Creates the index in the background, yielding whenever possible. */
+    background?: boolean;
+    /** Creates an unique index. */
+    unique?: boolean;
+    /** Override the autogenerated index name (useful if the resulting name is larger than 128 bytes) */
+    name?: string;
+    /** Creates a partial index based on the given filter object (MongoDB 3.2 or higher) */
+    partialFilterExpression?: Document;
+    /** Creates a sparse index. */
+    sparse?: boolean;
+    /** Allows you to expire data on indexes applied to a data (MongoDB 2.2 or higher) */
+    expireAfterSeconds?: number;
+    /** Allows users to configure the storage engine on a per-index basis when creating an index. (MongoDB 3.0 or higher) */
+    storageEngine?: Document;
+    /** (MongoDB 4.4. or higher) Specifies how many data-bearing members of a replica set, including the primary, must complete the index builds successfully before the primary marks the indexes as ready. This option accepts the same values for the "w" field in a write concern plus "votingMembers", which indicates all voting data-bearing nodes. */
+    commitQuorum?: number | string;
+    /** Specifies the index version number, either 0 or 1. */
+    version?: number;
+    weights?: Document;
+    default_language?: string;
+    language_override?: string;
+    textIndexVersion?: number;
+    '2dsphereIndexVersion'?: number;
+    bits?: number;
+    /** For geospatial indexes set the lower bound for the co-ordinates. */
+    min?: number;
+    /** For geospatial indexes set the high bound for the co-ordinates. */
+    max?: number;
+    bucketSize?: number;
+    wildcardProjection?: Document;
+    /** Specifies that the index should exist on the target collection but should not be used by the query planner when executing operations. (MongoDB 4.4 or higher) */
+    hidden?: boolean;
+}
+
+/** @public */
+export declare const CURSOR_FLAGS: readonly ["tailable", "oplogReplay", "noCursorTimeout", "awaitData", "exhaust", "partial"];
+
+/** @public
+ * @deprecated This interface is deprecated */
+export declare interface CursorCloseOptions {
+    /** Bypass calling killCursors when closing the cursor. */
+    /** @deprecated  the skipKillCursors option is deprecated */
+    skipKillCursors?: boolean;
+}
+
+/** @public */
+export declare type CursorFlag = typeof CURSOR_FLAGS[number];
+
+/** @public */
+export declare interface CursorStreamOptions {
+    /** A transformation method applied to each document emitted by the stream */
+    transform?(this: void, doc: Document): Document;
+}
+
+/**
+ * The **Db** class is a class that represents a MongoDB Database.
+ * @public
+ *
+ * @example
+ * ```ts
+ * import { MongoClient } from 'mongodb';
+ *
+ * interface Pet {
+ *   name: string;
+ *   kind: 'dog' | 'cat' | 'fish';
+ * }
+ *
+ * const client = new MongoClient('mongodb://localhost:27017');
+ * const db = client.db();
+ *
+ * // Create a collection that validates our union
+ * await db.createCollection<Pet>('pets', {
+ *   validator: { $expr: { $in: ['$kind', ['dog', 'cat', 'fish']] } }
+ * })
+ * ```
+ */
+export declare class Db {
+    /* Excluded from this release type: s */
+    static SYSTEM_NAMESPACE_COLLECTION: string;
+    static SYSTEM_INDEX_COLLECTION: string;
+    static SYSTEM_PROFILE_COLLECTION: string;
+    static SYSTEM_USER_COLLECTION: string;
+    static SYSTEM_COMMAND_COLLECTION: string;
+    static SYSTEM_JS_COLLECTION: string;
+    /**
+     * Creates a new Db instance
+     *
+     * @param client - The MongoClient for the database.
+     * @param databaseName - The name of the database this instance represents.
+     * @param options - Optional settings for Db construction
+     */
+    constructor(client: MongoClient, databaseName: string, options?: DbOptions);
+    get databaseName(): string;
+    get options(): DbOptions | undefined;
+    /**
+     * slaveOk specified
+     * @deprecated Use secondaryOk instead
+     */
+    get slaveOk(): boolean;
+    /**
+     * Check if a secondary can be used (because the read preference is *not* set to primary)
+     */
+    get secondaryOk(): boolean;
+    get readConcern(): ReadConcern | undefined;
+    /**
+     * The current readPreference of the Db. If not explicitly defined for
+     * this Db, will be inherited from the parent MongoClient
+     */
+    get readPreference(): ReadPreference;
+    get bsonOptions(): BSONSerializeOptions;
+    get writeConcern(): WriteConcern | undefined;
+    get namespace(): string;
+    /**
+     * Create a new collection on a server with the specified options. Use this to create capped collections.
+     * More information about command options available at https://docs.mongodb.com/manual/reference/command/create/
+     *
+     * @param name - The name of the collection to create
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    createCollection<TSchema extends Document = Document>(name: string, options?: CreateCollectionOptions): Promise<Collection<TSchema>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    createCollection<TSchema extends Document = Document>(name: string, callback: Callback<Collection<TSchema>>): void;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    createCollection<TSchema extends Document = Document>(name: string, options: CreateCollectionOptions | undefined, callback: Callback<Collection<TSchema>>): void;
+    /**
+     * Execute a command
+     *
+     * @remarks
+     * This command does not inherit options from the MongoClient.
+     *
+     * @param command - The command to run
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    command(command: Document): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    command(command: Document, callback: Callback<Document>): void;
+    command(command: Document, options: RunCommandOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    command(command: Document, options: RunCommandOptions, callback: Callback<Document>): void;
+    /**
+     * Execute an aggregation framework pipeline against the database, needs MongoDB \>= 3.6
+     *
+     * @param pipeline - An array of aggregation stages to be executed
+     * @param options - Optional settings for the command
+     */
+    aggregate<T extends Document = Document>(pipeline?: Document[], options?: AggregateOptions): AggregationCursor<T>;
+    /** Return the Admin db instance */
+    admin(): Admin;
+    /**
+     * Returns a reference to a MongoDB Collection. If it does not exist it will be created implicitly.
+     *
+     * @param name - the collection name we wish to access.
+     * @returns return the new Collection instance
+     */
+    collection<TSchema extends Document = Document>(name: string, options?: CollectionOptions): Collection<TSchema>;
+    /**
+     * Get all the db statistics.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    stats(): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    stats(callback: Callback<Document>): void;
+    stats(options: DbStatsOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    stats(options: DbStatsOptions, callback: Callback<Document>): void;
+    /**
+     * List all collections of this database with optional filter
+     *
+     * @param filter - Query to filter collections by
+     * @param options - Optional settings for the command
+     */
+    listCollections(filter: Document, options: Exclude<ListCollectionsOptions, 'nameOnly'> & {
+        nameOnly: true;
+    }): ListCollectionsCursor<Pick<CollectionInfo, 'name' | 'type'>>;
+    listCollections(filter: Document, options: Exclude<ListCollectionsOptions, 'nameOnly'> & {
+        nameOnly: false;
+    }): ListCollectionsCursor<CollectionInfo>;
+    listCollections<T extends Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo = Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo>(filter?: Document, options?: ListCollectionsOptions): ListCollectionsCursor<T>;
+    /**
+     * Rename a collection.
+     *
+     * @remarks
+     * This operation does not inherit options from the MongoClient.
+     *
+     * @param fromCollection - Name of current collection to rename
+     * @param toCollection - New name of of the collection
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    renameCollection<TSchema extends Document = Document>(fromCollection: string, toCollection: string): Promise<Collection<TSchema>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    renameCollection<TSchema extends Document = Document>(fromCollection: string, toCollection: string, callback: Callback<Collection<TSchema>>): void;
+    renameCollection<TSchema extends Document = Document>(fromCollection: string, toCollection: string, options: RenameOptions): Promise<Collection<TSchema>>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    renameCollection<TSchema extends Document = Document>(fromCollection: string, toCollection: string, options: RenameOptions, callback: Callback<Collection<TSchema>>): void;
+    /**
+     * Drop a collection from the database, removing it permanently. New accesses will create a new collection.
+     *
+     * @param name - Name of collection to drop
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    dropCollection(name: string): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    dropCollection(name: string, callback: Callback<boolean>): void;
+    dropCollection(name: string, options: DropCollectionOptions): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    dropCollection(name: string, options: DropCollectionOptions, callback: Callback<boolean>): void;
+    /**
+     * Drop a database, removing it permanently from the server.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    dropDatabase(): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    dropDatabase(callback: Callback<boolean>): void;
+    dropDatabase(options: DropDatabaseOptions): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    dropDatabase(options: DropDatabaseOptions, callback: Callback<boolean>): void;
+    /**
+     * Fetch all collections for the current db.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    collections(): Promise<Collection[]>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    collections(callback: Callback<Collection[]>): void;
+    collections(options: ListCollectionsOptions): Promise<Collection[]>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    collections(options: ListCollectionsOptions, callback: Callback<Collection[]>): void;
+    /**
+     * Creates an index on the db and collection.
+     *
+     * @param name - Name of the collection to create the index on.
+     * @param indexSpec - Specify the field to index, or an index specification
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    createIndex(name: string, indexSpec: IndexSpecification): Promise<string>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    createIndex(name: string, indexSpec: IndexSpecification, callback: Callback<string>): void;
+    createIndex(name: string, indexSpec: IndexSpecification, options: CreateIndexesOptions): Promise<string>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    createIndex(name: string, indexSpec: IndexSpecification, options: CreateIndexesOptions, callback: Callback<string>): void;
+    /**
+     * Add a user to the database
+     *
+     * @param username - The username for the new user
+     * @param password - An optional password for the new user
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    addUser(username: string): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    addUser(username: string, callback: Callback<Document>): void;
+    addUser(username: string, password: string): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    addUser(username: string, password: string, callback: Callback<Document>): void;
+    addUser(username: string, options: AddUserOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    addUser(username: string, options: AddUserOptions, callback: Callback<Document>): void;
+    addUser(username: string, password: string, options: AddUserOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    addUser(username: string, password: string, options: AddUserOptions, callback: Callback<Document>): void;
+    /**
+     * Remove a user from a database
+     *
+     * @param username - The username to remove
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    removeUser(username: string): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    removeUser(username: string, callback: Callback<boolean>): void;
+    removeUser(username: string, options: RemoveUserOptions): Promise<boolean>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    removeUser(username: string, options: RemoveUserOptions, callback: Callback<boolean>): void;
+    /**
+     * Set the current profiling level of MongoDB
+     *
+     * @param level - The new profiling level (off, slow_only, all).
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    setProfilingLevel(level: ProfilingLevel): Promise<ProfilingLevel>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    setProfilingLevel(level: ProfilingLevel, callback: Callback<ProfilingLevel>): void;
+    setProfilingLevel(level: ProfilingLevel, options: SetProfilingLevelOptions): Promise<ProfilingLevel>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    setProfilingLevel(level: ProfilingLevel, options: SetProfilingLevelOptions, callback: Callback<ProfilingLevel>): void;
+    /**
+     * Retrieve the current profiling Level for MongoDB
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    profilingLevel(): Promise<string>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    profilingLevel(callback: Callback<string>): void;
+    profilingLevel(options: ProfilingLevelOptions): Promise<string>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    profilingLevel(options: ProfilingLevelOptions, callback: Callback<string>): void;
+    /**
+     * Retrieves this collections index info.
+     *
+     * @param name - The name of the collection.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    indexInformation(name: string): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    indexInformation(name: string, callback: Callback<Document>): void;
+    indexInformation(name: string, options: IndexInformationOptions): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    indexInformation(name: string, options: IndexInformationOptions, callback: Callback<Document>): void;
+    /**
+     * Unref all sockets
+     * @deprecated This function is deprecated and will be removed in the next major version.
+     */
+    unref(): void;
+    /**
+     * Create a new Change Stream, watching for new changes (insertions, updates,
+     * replacements, deletions, and invalidations) in this database. Will ignore all
+     * changes to system collections.
+     *
+     * @remarks
+     * watch() accepts two generic arguments for distinct usecases:
+     * - The first is to provide the schema that may be defined for all the collections within this database
+     * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+     *
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+     * @param options - Optional settings for the command
+     * @typeParam TSchema - Type of the data being detected by the change stream
+     * @typeParam TChange - Type of the whole change stream document emitted
+     */
+    watch<TSchema extends Document = Document, TChange extends Document = ChangeStreamDocument<TSchema>>(pipeline?: Document[], options?: ChangeStreamOptions): ChangeStream<TSchema, TChange>;
+    /** Return the db logger */
+    getLogger(): Logger;
+    get logger(): Logger;
+}
+
+/* Excluded from this release type: DB_AGGREGATE_COLLECTION */
+
+/** @public */
+export declare interface DbOptions extends BSONSerializeOptions, WriteConcernOptions, LoggerOptions {
+    /** If the database authentication is dependent on another databaseName. */
+    authSource?: string;
+    /** Force server to assign _id values instead of driver. */
+    forceServerObjectId?: boolean;
+    /** The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). */
+    readPreference?: ReadPreferenceLike;
+    /** A primary key factory object for generation of custom _id keys. */
+    pkFactory?: PkFactory;
+    /** Specify a read concern for the collection. (only MongoDB 3.2 or higher supported) */
+    readConcern?: ReadConcern;
+    /** Should retry failed writes */
+    retryWrites?: boolean;
+}
+
+/* Excluded from this release type: DbPrivate */
+export { DBRef }
+
+/** @public */
+export declare interface DbStatsOptions extends CommandOperationOptions {
+    /** Divide the returned sizes by scale value. */
+    scale?: number;
+}
+
+export { Decimal128 }
+
+/** @public */
+export declare interface DeleteManyModel<TSchema extends Document = Document> {
+    /** The filter to limit the deleted documents. */
+    filter: Filter<TSchema>;
+    /** Specifies a collation. */
+    collation?: CollationOptions;
+    /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+    hint?: Hint;
+}
+
+/** @public */
+export declare interface DeleteOneModel<TSchema extends Document = Document> {
+    /** The filter to limit the deleted documents. */
+    filter: Filter<TSchema>;
+    /** Specifies a collation. */
+    collation?: CollationOptions;
+    /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+    hint?: Hint;
+}
+
+/** @public */
+export declare interface DeleteOptions extends CommandOperationOptions, WriteConcernOptions {
+    /** If true, when an insert fails, don't execute the remaining writes. If false, continue with remaining inserts when one fails. */
+    ordered?: boolean;
+    /** Specifies the collation to use for the operation */
+    collation?: CollationOptions;
+    /** Specify that the update query should only consider plans using the hinted index */
+    hint?: string | Document;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+    /** @deprecated use `removeOne` or `removeMany` to implicitly specify the limit */
+    single?: boolean;
+}
+
+/** @public */
+export declare interface DeleteResult {
+    /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined. */
+    acknowledged: boolean;
+    /** The number of documents that were deleted */
+    deletedCount: number;
+}
+
+/** @public */
+export declare interface DeleteStatement {
+    /** The query that matches documents to delete. */
+    q: Document;
+    /** The number of matching documents to delete. */
+    limit: number;
+    /** Specifies the collation to use for the operation. */
+    collation?: CollationOptions;
+    /** A document or string that specifies the index to use to support the query predicate. */
+    hint?: Hint;
+}
+
+/* Excluded from this release type: deserialize */
+
+/** @public */
+export declare interface DestroyOptions {
+    /** Force the destruction. */
+    force?: boolean;
+}
+
+/** @public */
+export declare type DistinctOptions = CommandOperationOptions;
+
+export { Document }
+
+export { Double }
+
+/** @public */
+export declare interface DriverInfo {
+    name?: string;
+    version?: string;
+    platform?: string;
+}
+
+/** @public */
+export declare interface DropCollectionOptions extends CommandOperationOptions {
+    /** @experimental */
+    encryptedFields?: Document;
+}
+
+/** @public */
+export declare type DropDatabaseOptions = CommandOperationOptions;
+
+/** @public */
+export declare type DropIndexesOptions = CommandOperationOptions;
+
+/* Excluded from this release type: Encrypter */
+
+/* Excluded from this release type: EncrypterOptions */
+
+/** @public */
+export declare interface EndSessionOptions {
+    /* Excluded from this release type: error */
+    force?: boolean;
+    forceClear?: boolean;
+}
+
+/** TypeScript Omit (Exclude to be specific) does not work for objects with an "any" indexed type, and breaks discriminated unions @public */
+export declare type EnhancedOmit<TRecordOrUnion, KeyUnion> = string extends keyof TRecordOrUnion ? TRecordOrUnion : TRecordOrUnion extends any ? Pick<TRecordOrUnion, Exclude<keyof TRecordOrUnion, KeyUnion>> : never;
+
+/** @public */
+export declare interface ErrorDescription extends Document {
+    message?: string;
+    errmsg?: string;
+    $err?: string;
+    errorLabels?: string[];
+    errInfo?: Document;
+}
+
+/** @public */
+export declare interface EstimatedDocumentCountOptions extends CommandOperationOptions {
+    /**
+     * The maximum amount of time to allow the operation to run.
+     *
+     * This option is sent only if the caller explicitly provides a value. The default is to not send a value.
+     */
+    maxTimeMS?: number;
+}
+
+/** @public */
+export declare interface EvalOptions extends CommandOperationOptions {
+    nolock?: boolean;
+}
+
+/** @public */
+export declare type EventEmitterWithState = {
+    /* Excluded from this release type: stateChanged */
+};
+
+/**
+ * Event description type
+ * @public
+ */
+export declare type EventsDescription = Record<string, GenericListener>;
+
+/* Excluded from this release type: ExecutionResult */
+
+/* Excluded from this release type: Explain */
+
+/** @public */
+export declare interface ExplainOptions {
+    /** Specifies the verbosity mode for the explain output. */
+    explain?: ExplainVerbosityLike;
+}
+
+/** @public */
+export declare const ExplainVerbosity: Readonly<{
+    readonly queryPlanner: "queryPlanner";
+    readonly queryPlannerExtended: "queryPlannerExtended";
+    readonly executionStats: "executionStats";
+    readonly allPlansExecution: "allPlansExecution";
+}>;
+
+/** @public */
+export declare type ExplainVerbosity = string;
+
+/**
+ * For backwards compatibility, true is interpreted as "allPlansExecution"
+ * and false as "queryPlanner". Prior to server version 3.6, aggregate()
+ * ignores the verbosity parameter and executes in "queryPlanner".
+ * @public
+ */
+export declare type ExplainVerbosityLike = ExplainVerbosity | boolean;
+
+/** A MongoDB filter can be some portion of the schema or a set of operators @public */
+export declare type Filter<TSchema> = Partial<TSchema> | ({
+    [Property in Join<NestedPaths<WithId<TSchema>>, '.'>]?: Condition<PropertyType<WithId<TSchema>, Property>>;
+} & RootFilterOperators<WithId<TSchema>>);
+
+/** @public */
+export declare type FilterOperations<T> = T extends Record<string, any> ? {
+    [key in keyof T]?: FilterOperators<T[key]>;
+} : FilterOperators<T>;
+
+/** @public */
+export declare interface FilterOperators<TValue> extends NonObjectIdLikeDocument {
+    $eq?: TValue;
+    $gt?: TValue;
+    $gte?: TValue;
+    $in?: ReadonlyArray<TValue>;
+    $lt?: TValue;
+    $lte?: TValue;
+    $ne?: TValue;
+    $nin?: ReadonlyArray<TValue>;
+    $not?: TValue extends string ? FilterOperators<TValue> | RegExp : FilterOperators<TValue>;
+    /**
+     * When `true`, `$exists` matches the documents that contain the field,
+     * including documents where the field value is null.
+     */
+    $exists?: boolean;
+    $type?: BSONType | BSONTypeAlias;
+    $expr?: Record<string, any>;
+    $jsonSchema?: Record<string, any>;
+    $mod?: TValue extends number ? [number, number] : never;
+    $regex?: TValue extends string ? RegExp | BSONRegExp | string : never;
+    $options?: TValue extends string ? string : never;
+    $geoIntersects?: {
+        $geometry: Document;
+    };
+    $geoWithin?: Document;
+    $near?: Document;
+    $nearSphere?: Document;
+    $maxDistance?: number;
+    $all?: ReadonlyArray<any>;
+    $elemMatch?: Document;
+    $size?: TValue extends ReadonlyArray<any> ? number : never;
+    $bitsAllClear?: BitwiseFilter;
+    $bitsAllSet?: BitwiseFilter;
+    $bitsAnyClear?: BitwiseFilter;
+    $bitsAnySet?: BitwiseFilter;
+    $rand?: Record<string, never>;
+}
+
+/** @public */
+export declare type FinalizeFunction<TKey = ObjectId, TValue = Document> = (key: TKey, reducedValue: TValue) => TValue;
+
+/** @public */
+export declare class FindCursor<TSchema = any> extends AbstractCursor<TSchema> {
+    /* Excluded from this release type: [kFilter] */
+    /* Excluded from this release type: [kNumReturned] */
+    /* Excluded from this release type: [kBuiltOptions] */
+    /* Excluded from this release type: __constructor */
+    clone(): FindCursor<TSchema>;
+    map<T>(transform: (doc: TSchema) => T): FindCursor<T>;
+    /* Excluded from this release type: _initialize */
+    /* Excluded from this release type: _getMore */
+    /**
+     * Get the count of documents for this cursor
+     * @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead
+     */
+    count(): Promise<number>;
+    /** @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    count(callback: Callback<number>): void;
+    /** @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead. */
+    count(options: CountOptions): Promise<number>;
+    /** @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    count(options: CountOptions, callback: Callback<number>): void;
+    /** Execute the explain for the cursor */
+    explain(): Promise<Document>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    explain(callback: Callback): void;
+    explain(verbosity?: ExplainVerbosityLike): Promise<Document>;
+    /** Set the cursor query */
+    filter(filter: Document): this;
+    /**
+     * Set the cursor hint
+     *
+     * @param hint - If specified, then the query system will only consider plans using the hinted index.
+     */
+    hint(hint: Hint): this;
+    /**
+     * Set the cursor min
+     *
+     * @param min - Specify a $min value to specify the inclusive lower bound for a specific index in order to constrain the results of find(). The $min specifies the lower bound for all keys of a specific index in order.
+     */
+    min(min: Document): this;
+    /**
+     * Set the cursor max
+     *
+     * @param max - Specify a $max value to specify the exclusive upper bound for a specific index in order to constrain the results of find(). The $max specifies the upper bound for all keys of a specific index in order.
+     */
+    max(max: Document): this;
+    /**
+     * Set the cursor returnKey.
+     * If set to true, modifies the cursor to only return the index field or fields for the results of the query, rather than documents.
+     * If set to true and the query does not use an index to perform the read operation, the returned documents will not contain any fields.
+     *
+     * @param value - the returnKey value.
+     */
+    returnKey(value: boolean): this;
+    /**
+     * Modifies the output of a query by adding a field $recordId to matching documents. $recordId is the internal key which uniquely identifies a document in a collection.
+     *
+     * @param value - The $showDiskLoc option has now been deprecated and replaced with the showRecordId field. $showDiskLoc will still be accepted for OP_QUERY stye find.
+     */
+    showRecordId(value: boolean): this;
+    /**
+     * Add a query modifier to the cursor query
+     *
+     * @param name - The query modifier (must start with $, such as $orderby etc)
+     * @param value - The modifier value.
+     */
+    addQueryModifier(name: string, value: string | boolean | number | Document): this;
+    /**
+     * Add a comment to the cursor query allowing for tracking the comment in the log.
+     *
+     * @param value - The comment attached to this query.
+     */
+    comment(value: string): this;
+    /**
+     * Set a maxAwaitTimeMS on a tailing cursor query to allow to customize the timeout value for the option awaitData (Only supported on MongoDB 3.2 or higher, ignored otherwise)
+     *
+     * @param value - Number of milliseconds to wait before aborting the tailed query.
+     */
+    maxAwaitTimeMS(value: number): this;
+    /**
+     * Set a maxTimeMS on the cursor query, allowing for hard timeout limits on queries (Only supported on MongoDB 2.6 or higher)
+     *
+     * @param value - Number of milliseconds to wait before aborting the query.
+     */
+    maxTimeMS(value: number): this;
+    /**
+     * Add a project stage to the aggregation pipeline
+     *
+     * @remarks
+     * In order to strictly type this function you must provide an interface
+     * that represents the effect of your projection on the result documents.
+     *
+     * By default chaining a projection to your cursor changes the returned type to the generic
+     * {@link Document} type.
+     * You should specify a parameterized type to have assertions on your final results.
+     *
+     * @example
+     * ```typescript
+     * // Best way
+     * const docs: FindCursor<{ a: number }> = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * // Flexible way
+     * const docs: FindCursor<Document> = cursor.project({ _id: 0, a: true });
+     * ```
+     *
+     * @remarks
+     *
+     * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+     * it **does not** return a new instance of a cursor. This means when calling project,
+     * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+     * Take note of the following example:
+     *
+     * @example
+     * ```typescript
+     * const cursor: FindCursor<{ a: number; b: string }> = coll.find();
+     * const projectCursor = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * const aPropOnlyArray: {a: number}[] = await projectCursor.toArray();
+     *
+     * // or always use chaining and save the final cursor
+     *
+     * const cursor = coll.find().project<{ a: string }>({
+     *   _id: 0,
+     *   a: { $convert: { input: '$a', to: 'string' }
+     * }});
+     * ```
+     */
+    project<T extends Document = Document>(value: Document): FindCursor<T>;
+    /**
+     * Sets the sort order of the cursor query.
+     *
+     * @param sort - The key or keys set for the sort.
+     * @param direction - The direction of the sorting (1 or -1).
+     */
+    sort(sort: Sort | string, direction?: SortDirection): this;
+    /**
+     * Allows disk use for blocking sort operations exceeding 100MB memory. (MongoDB 3.2 or higher)
+     *
+     * @remarks
+     * {@link https://docs.mongodb.com/manual/reference/command/find/#find-cmd-allowdiskuse | find command allowDiskUse documentation}
+     */
+    allowDiskUse(allow?: boolean): this;
+    /**
+     * Set the collation options for the cursor.
+     *
+     * @param value - The cursor collation options (MongoDB 3.4 or higher) settings for update operation (see 3.4 documentation for available fields).
+     */
+    collation(value: CollationOptions): this;
+    /**
+     * Set the limit for the cursor.
+     *
+     * @param value - The limit for the cursor query.
+     */
+    limit(value: number): this;
+    /**
+     * Set the skip for the cursor.
+     *
+     * @param value - The skip for the cursor query.
+     */
+    skip(value: number): this;
+}
+
+/** @public */
+export declare interface FindOneAndDeleteOptions extends CommandOperationOptions {
+    /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+    hint?: Document;
+    /** Limits the fields to return for all matching documents. */
+    projection?: Document;
+    /** Determines which document the operation modifies if the query selects multiple documents. */
+    sort?: Sort;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+}
+
+/** @public */
+export declare interface FindOneAndReplaceOptions extends CommandOperationOptions {
+    /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+    bypassDocumentValidation?: boolean;
+    /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+    hint?: Document;
+    /** Limits the fields to return for all matching documents. */
+    projection?: Document;
+    /** When set to 'after', returns the updated document rather than the original. The default is 'before'.  */
+    returnDocument?: ReturnDocument;
+    /** Determines which document the operation modifies if the query selects multiple documents. */
+    sort?: Sort;
+    /** Upsert the document if it does not exist. */
+    upsert?: boolean;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+}
+
+/** @public */
+export declare interface FindOneAndUpdateOptions extends CommandOperationOptions {
+    /** Optional list of array filters referenced in filtered positional operators */
+    arrayFilters?: Document[];
+    /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+    bypassDocumentValidation?: boolean;
+    /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+    hint?: Document;
+    /** Limits the fields to return for all matching documents. */
+    projection?: Document;
+    /** When set to 'after', returns the updated document rather than the original. The default is 'before'.  */
+    returnDocument?: ReturnDocument;
+    /** Determines which document the operation modifies if the query selects multiple documents. */
+    sort?: Sort;
+    /** Upsert the document if it does not exist. */
+    upsert?: boolean;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+}
+
+/**
+ * A builder object that is returned from {@link BulkOperationBase#find}.
+ * Is used to build a write operation that involves a query filter.
+ *
+ * @public
+ */
+export declare class FindOperators {
+    bulkOperation: BulkOperationBase;
+    /* Excluded from this release type: __constructor */
+    /** Add a multiple update operation to the bulk operation */
+    update(updateDocument: Document | Document[]): BulkOperationBase;
+    /** Add a single update operation to the bulk operation */
+    updateOne(updateDocument: Document | Document[]): BulkOperationBase;
+    /** Add a replace one operation to the bulk operation */
+    replaceOne(replacement: Document): BulkOperationBase;
+    /** Add a delete one operation to the bulk operation */
+    deleteOne(): BulkOperationBase;
+    /** Add a delete many operation to the bulk operation */
+    delete(): BulkOperationBase;
+    /** Upsert modifier for update bulk operation, noting that this operation is an upsert. */
+    upsert(): this;
+    /** Specifies the collation for the query condition. */
+    collation(collation: CollationOptions): this;
+    /** Specifies arrayFilters for UpdateOne or UpdateMany bulk operations. */
+    arrayFilters(arrayFilters: Document[]): this;
+    /** Specifies hint for the bulk operation. */
+    hint(hint: Hint): this;
+}
+
+/**
+ * @public
+ * @typeParam TSchema - Unused schema definition, deprecated usage, only specify `FindOptions` with no generic
+ */
+export declare interface FindOptions<TSchema extends Document = Document> extends CommandOperationOptions {
+    /** Sets the limit of documents returned in the query. */
+    limit?: number;
+    /** Set to sort the documents coming back from the query. Array of indexes, `[['a', 1]]` etc. */
+    sort?: Sort;
+    /** The fields to return in the query. Object of fields to either include or exclude (one of, not both), `{'a':1, 'b': 1}` **or** `{'a': 0, 'b': 0}` */
+    projection?: Document;
+    /** Set to skip N documents ahead in your query (useful for pagination). */
+    skip?: number;
+    /** Tell the query to use specific indexes in the query. Object of indexes to use, `{'_id':1}` */
+    hint?: Hint;
+    /** Specify if the cursor can timeout. */
+    timeout?: boolean;
+    /** Specify if the cursor is tailable. */
+    tailable?: boolean;
+    /** Specify if the cursor is a tailable-await cursor. Requires `tailable` to be true */
+    awaitData?: boolean;
+    /** Set the batchSize for the getMoreCommand when iterating over the query results. */
+    batchSize?: number;
+    /** If true, returns only the index keys in the resulting documents. */
+    returnKey?: boolean;
+    /** The inclusive lower bound for a specific index */
+    min?: Document;
+    /** The exclusive upper bound for a specific index */
+    max?: Document;
+    /** Number of milliseconds to wait before aborting the query. */
+    maxTimeMS?: number;
+    /** The maximum amount of time for the server to wait on new documents to satisfy a tailable cursor query. Requires `tailable` and `awaitData` to be true */
+    maxAwaitTimeMS?: number;
+    /** The server normally times out idle cursors after an inactivity period (10 minutes) to prevent excess memory use. Set this option to prevent that. */
+    noCursorTimeout?: boolean;
+    /** Specify collation (MongoDB 3.4 or higher) settings for update operation (see 3.4 documentation for available fields). */
+    collation?: CollationOptions;
+    /** Allows disk use for blocking sort operations exceeding 100MB memory. (MongoDB 3.2 or higher) */
+    allowDiskUse?: boolean;
+    /** Determines whether to close the cursor after the first batch. Defaults to false. */
+    singleBatch?: boolean;
+    /** For queries against a sharded collection, allows the command (or subsequent getMore commands) to return partial results, rather than an error, if one or more queried shards are unavailable. */
+    allowPartialResults?: boolean;
+    /** Determines whether to return the record identifier for each document. If true, adds a field $recordId to the returned documents. */
+    showRecordId?: boolean;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+    /**
+     * Option to enable an optimized code path for queries looking for a particular range of `ts` values in the oplog. Requires `tailable` to be true.
+     * @deprecated Starting from MongoDB 4.4 this flag is not needed and will be ignored.
+     */
+    oplogReplay?: boolean;
+}
+
+/** @public */
+export declare type Flatten<Type> = Type extends ReadonlyArray<infer Item> ? Item : Type;
+
+/** @public */
+export declare type GenericListener = (...args: any[]) => void;
+
+/* Excluded from this release type: GetMoreOptions */
+
+/**
+ * Constructor for a streaming GridFS interface
+ * @public
+ */
+export declare class GridFSBucket extends TypedEventEmitter<GridFSBucketEvents> {
+    /* Excluded from this release type: s */
+    /**
+     * When the first call to openUploadStream is made, the upload stream will
+     * check to see if it needs to create the proper indexes on the chunks and
+     * files collections. This event is fired either when 1) it determines that
+     * no index creation is necessary, 2) when it successfully creates the
+     * necessary indexes.
+     * @event
+     */
+    static readonly INDEX: "index";
+    constructor(db: Db, options?: GridFSBucketOptions);
+    /**
+     * Returns a writable stream (GridFSBucketWriteStream) for writing
+     * buffers to GridFS. The stream's 'id' property contains the resulting
+     * file's id.
+     *
+     * @param filename - The value of the 'filename' key in the files doc
+     * @param options - Optional settings.
+     */
+    openUploadStream(filename: string, options?: GridFSBucketWriteStreamOptions): GridFSBucketWriteStream;
+    /**
+     * Returns a writable stream (GridFSBucketWriteStream) for writing
+     * buffers to GridFS for a custom file id. The stream's 'id' property contains the resulting
+     * file's id.
+     */
+    openUploadStreamWithId(id: ObjectId, filename: string, options?: GridFSBucketWriteStreamOptions): GridFSBucketWriteStream;
+    /** Returns a readable stream (GridFSBucketReadStream) for streaming file data from GridFS. */
+    openDownloadStream(id: ObjectId, options?: GridFSBucketReadStreamOptions): GridFSBucketReadStream;
+    /**
+     * Deletes a file with the given id
+     *
+     * @param id - The id of the file doc
+     */
+    delete(id: ObjectId): Promise<void>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    delete(id: ObjectId, callback: Callback<void>): void;
+    /** Convenience wrapper around find on the files collection */
+    find(filter?: Filter<GridFSFile>, options?: FindOptions): FindCursor<GridFSFile>;
+    /**
+     * Returns a readable stream (GridFSBucketReadStream) for streaming the
+     * file with the given name from GridFS. If there are multiple files with
+     * the same name, this will stream the most recent file with the given name
+     * (as determined by the `uploadDate` field). You can set the `revision`
+     * option to change this behavior.
+     */
+    openDownloadStreamByName(filename: string, options?: GridFSBucketReadStreamOptionsWithRevision): GridFSBucketReadStream;
+    /**
+     * Renames the file with the given _id to the given string
+     *
+     * @param id - the id of the file to rename
+     * @param filename - new name for the file
+     */
+    rename(id: ObjectId, filename: string): Promise<void>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    rename(id: ObjectId, filename: string, callback: Callback<void>): void;
+    /** Removes this bucket's files collection, followed by its chunks collection. */
+    drop(): Promise<void>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    drop(callback: Callback<void>): void;
+    /** Get the Db scoped logger. */
+    getLogger(): Logger;
+}
+
+/** @public */
+export declare type GridFSBucketEvents = {
+    index(): void;
+};
+
+/** @public */
+export declare interface GridFSBucketOptions extends WriteConcernOptions {
+    /** The 'files' and 'chunks' collections will be prefixed with the bucket name followed by a dot. */
+    bucketName?: string;
+    /** Number of bytes stored in each chunk. Defaults to 255KB */
+    chunkSizeBytes?: number;
+    /** Read preference to be passed to read operations */
+    readPreference?: ReadPreference;
+}
+
+/* Excluded from this release type: GridFSBucketPrivate */
+
+/**
+ * A readable stream that enables you to read buffers from GridFS.
+ *
+ * Do not instantiate this class directly. Use `openDownloadStream()` instead.
+ * @public
+ */
+export declare class GridFSBucketReadStream extends Readable implements NodeJS.ReadableStream {
+    /* Excluded from this release type: s */
+    /**
+     * An error occurred
+     * @event
+     */
+    static readonly ERROR: "error";
+    /**
+     * Fires when the stream loaded the file document corresponding to the provided id.
+     * @event
+     */
+    static readonly FILE: "file";
+    /**
+     * Emitted when a chunk of data is available to be consumed.
+     * @event
+     */
+    static readonly DATA: "data";
+    /**
+     * Fired when the stream is exhausted (no more data events).
+     * @event
+     */
+    static readonly END: "end";
+    /**
+     * Fired when the stream is exhausted and the underlying cursor is killed
+     * @event
+     */
+    static readonly CLOSE: "close";
+    /* Excluded from this release type: __constructor */
+    /* Excluded from this release type: _read */
+    /**
+     * Sets the 0-based offset in bytes to start streaming from. Throws
+     * an error if this stream has entered flowing mode
+     * (e.g. if you've already called `on('data')`)
+     *
+     * @param start - 0-based offset in bytes to start streaming from
+     */
+    start(start?: number): this;
+    /**
+     * Sets the 0-based offset in bytes to start streaming from. Throws
+     * an error if this stream has entered flowing mode
+     * (e.g. if you've already called `on('data')`)
+     *
+     * @param end - Offset in bytes to stop reading at
+     */
+    end(end?: number): this;
+    /**
+     * Marks this stream as aborted (will never push another `data` event)
+     * and kills the underlying cursor. Will emit the 'end' event, and then
+     * the 'close' event once the cursor is successfully killed.
+     *
+     * @param callback - called when the cursor is successfully closed or an error occurred.
+     */
+    abort(callback?: Callback<void>): void;
+}
+
+/** @public */
+export declare interface GridFSBucketReadStreamOptions {
+    sort?: Sort;
+    skip?: number;
+    /** 0-based offset in bytes to start streaming from */
+    start?: number;
+    /** 0-based offset in bytes to stop streaming before */
+    end?: number;
+}
+
+/** @public */
+export declare interface GridFSBucketReadStreamOptionsWithRevision extends GridFSBucketReadStreamOptions {
+    /** The revision number relative to the oldest file with the given filename. 0
+     * gets you the oldest file, 1 gets you the 2nd oldest, -1 gets you the
+     * newest. */
+    revision?: number;
+}
+
+/* Excluded from this release type: GridFSBucketReadStreamPrivate */
+
+/**
+ * A writable stream that enables you to write buffers to GridFS.
+ *
+ * Do not instantiate this class directly. Use `openUploadStream()` instead.
+ * @public
+ */
+export declare class GridFSBucketWriteStream extends Writable implements NodeJS.WritableStream {
+    bucket: GridFSBucket;
+    chunks: Collection<GridFSChunk>;
+    filename: string;
+    files: Collection<GridFSFile>;
+    options: GridFSBucketWriteStreamOptions;
+    done: boolean;
+    id: ObjectId;
+    chunkSizeBytes: number;
+    bufToStore: Buffer;
+    length: number;
+    n: number;
+    pos: number;
+    state: {
+        streamEnd: boolean;
+        outstandingRequests: number;
+        errored: boolean;
+        aborted: boolean;
+    };
+    writeConcern?: WriteConcern;
+    /** @event */
+    static readonly CLOSE = "close";
+    /** @event */
+    static readonly ERROR = "error";
+    /**
+     * `end()` was called and the write stream successfully wrote the file metadata and all the chunks to MongoDB.
+     * @event
+     */
+    static readonly FINISH = "finish";
+    /* Excluded from this release type: __constructor */
+    /**
+     * Write a buffer to the stream.
+     *
+     * @param chunk - Buffer to write
+     * @param encodingOrCallback - Optional encoding for the buffer
+     * @param callback - Function to call when the chunk was added to the buffer, or if the entire chunk was persisted to MongoDB if this chunk caused a flush.
+     * @returns False if this write required flushing a chunk to MongoDB. True otherwise.
+     */
+    write(chunk: Buffer | string): boolean;
+    write(chunk: Buffer | string, callback: Callback<void>): boolean;
+    write(chunk: Buffer | string, encoding: BufferEncoding | undefined): boolean;
+    write(chunk: Buffer | string, encoding: BufferEncoding | undefined, callback: Callback<void>): boolean;
+    /**
+     * Places this write stream into an aborted state (all future writes fail)
+     * and deletes all chunks that have already been written.
+     *
+     * @param callback - called when chunks are successfully removed or error occurred
+     */
+    abort(): Promise<void>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    abort(callback: Callback<void>): void;
+    /**
+     * Tells the stream that no more data will be coming in. The stream will
+     * persist the remaining data to MongoDB, write the files document, and
+     * then emit a 'finish' event.
+     *
+     * @param chunk - Buffer to write
+     * @param encoding - Optional encoding for the buffer
+     * @param callback - Function to call when all files and chunks have been persisted to MongoDB
+     */
+    end(): this;
+    end(chunk: Buffer): this;
+    end(callback: Callback<GridFSFile | void>): this;
+    end(chunk: Buffer, callback: Callback<GridFSFile | void>): this;
+    end(chunk: Buffer, encoding: BufferEncoding): this;
+    end(chunk: Buffer, encoding: BufferEncoding | undefined, callback: Callback<GridFSFile | void>): this;
+}
+
+/** @public */
+export declare interface GridFSBucketWriteStreamOptions extends WriteConcernOptions {
+    /** Overwrite this bucket's chunkSizeBytes for this file */
+    chunkSizeBytes?: number;
+    /** Custom file id for the GridFS file. */
+    id?: ObjectId;
+    /** Object to store in the file document's `metadata` field */
+    metadata?: Document;
+    /** String to store in the file document's `contentType` field */
+    contentType?: string;
+    /** Array of strings to store in the file document's `aliases` field */
+    aliases?: string[];
+}
+
+/** @public */
+export declare interface GridFSChunk {
+    _id: ObjectId;
+    files_id: ObjectId;
+    n: number;
+    data: Buffer | Uint8Array;
+}
+
+/** @public */
+export declare interface GridFSFile {
+    _id: ObjectId;
+    length: number;
+    chunkSize: number;
+    filename: string;
+    contentType?: string;
+    aliases?: string[];
+    metadata?: Document;
+    uploadDate: Date;
+}
+
+/** @public */
+export declare const GSSAPICanonicalizationValue: Readonly<{
+    readonly on: true;
+    readonly off: false;
+    readonly none: "none";
+    readonly forward: "forward";
+    readonly forwardAndReverse: "forwardAndReverse";
+}>;
+
+/** @public */
+export declare type GSSAPICanonicalizationValue = typeof GSSAPICanonicalizationValue[keyof typeof GSSAPICanonicalizationValue];
+
+/** @public */
+export declare interface HedgeOptions {
+    /** Explicitly enable or disable hedged reads. */
+    enabled?: boolean;
+}
+
+/** @public */
+export declare type Hint = string | Document;
+
+/** @public */
+export declare class HostAddress {
+    host: string | undefined;
+    port: number | undefined;
+    socketPath: string | undefined;
+    isIPv6: boolean;
+    constructor(hostString: string);
+    inspect(): string;
+    toString(): string;
+    static fromString(this: void, s: string): HostAddress;
+    static fromHostPort(host: string, port: number): HostAddress;
+    static fromSrvRecord({ name, port }: SrvRecord): HostAddress;
+}
+
+/** @public */
+export declare interface IndexDescription extends Pick<CreateIndexesOptions, 'background' | 'unique' | 'partialFilterExpression' | 'sparse' | 'hidden' | 'expireAfterSeconds' | 'storageEngine' | 'version' | 'weights' | 'default_language' | 'language_override' | 'textIndexVersion' | '2dsphereIndexVersion' | 'bits' | 'min' | 'max' | 'bucketSize' | 'wildcardProjection'> {
+    collation?: CollationOptions;
+    name?: string;
+    key: {
+        [key: string]: IndexDirection;
+    } | Map<string, IndexDirection>;
+}
+
+/** @public */
+export declare type IndexDirection = -1 | 1 | '2d' | '2dsphere' | 'text' | 'geoHaystack' | number;
+
+/** @public */
+export declare interface IndexInformationOptions {
+    full?: boolean;
+    readPreference?: ReadPreference;
+    session?: ClientSession;
+}
+
+/** @public */
+export declare type IndexSpecification = OneOrMore<string | [string, IndexDirection] | {
+    [key: string]: IndexDirection;
+} | Map<string, IndexDirection>>;
+
+/** Given an object shaped type, return the type of the _id field or default to ObjectId @public */
+export declare type InferIdType<TSchema> = TSchema extends {
+    _id: infer IdType;
+} ? Record<any, never> extends IdType ? never : IdType : TSchema extends {
+    _id?: infer IdType;
+} ? unknown extends IdType ? ObjectId : IdType : ObjectId;
+
+/** @public */
+export declare interface InsertManyResult<TSchema = Document> {
+    /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+    acknowledged: boolean;
+    /** The number of inserted documents for this operations */
+    insertedCount: number;
+    /** Map of the index of the inserted document to the id of the inserted document */
+    insertedIds: {
+        [key: number]: InferIdType<TSchema>;
+    };
+}
+
+/** @public */
+export declare interface InsertOneModel<TSchema extends Document = Document> {
+    /** The document to insert. */
+    document: OptionalId<TSchema>;
+}
+
+/** @public */
+export declare interface InsertOneOptions extends CommandOperationOptions {
+    /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+    bypassDocumentValidation?: boolean;
+    /** Force server to assign _id values instead of driver. */
+    forceServerObjectId?: boolean;
+}
+
+/** @public */
+export declare interface InsertOneResult<TSchema = Document> {
+    /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+    acknowledged: boolean;
+    /** The identifier that was inserted. If the server generated the identifier, this value will be null as the driver does not have access to that data */
+    insertedId: InferIdType<TSchema>;
+}
+
+export { Int32 }
+
+/** @public */
+export declare type IntegerType = number | Int32 | Long;
+
+/* Excluded from this release type: InternalAbstractCursorOptions */
+
+/** @public */
+export declare type IsAny<Type, ResultIfAny, ResultIfNotAny> = true extends false & Type ? ResultIfAny : ResultIfNotAny;
+
+/**
+ * Helper types for dot-notation filter attributes
+ */
+/** @public */
+export declare type Join<T extends unknown[], D extends string> = T extends [] ? '' : T extends [string | number] ? `${T[0]}` : T extends [string | number, ...infer R] ? `${T[0]}${D}${Join<R, D>}` : string;
+
+/* Excluded from this release type: kBeforeHandshake */
+
+/* Excluded from this release type: kBuffer */
+
+/* Excluded from this release type: kBuffers */
+
+/* Excluded from this release type: kBuiltOptions */
+
+/* Excluded from this release type: kCancellationToken */
+
+/* Excluded from this release type: kCancellationToken_2 */
+
+/* Excluded from this release type: kCancelled */
+
+/* Excluded from this release type: kCancelled_2 */
+
+/* Excluded from this release type: kCheckedOut */
+
+/* Excluded from this release type: kClient */
+
+/* Excluded from this release type: kClosed */
+
+/* Excluded from this release type: kClosed_2 */
+
+/* Excluded from this release type: kClusterTime */
+
+/* Excluded from this release type: kConnection */
+
+/* Excluded from this release type: kConnectionCounter */
+
+/* Excluded from this release type: kConnections */
+
+/* Excluded from this release type: kCursorStream */
+
+/* Excluded from this release type: kDelayedTimeoutId */
+
+/* Excluded from this release type: kDescription */
+
+/* Excluded from this release type: kDocuments */
+
+/* Excluded from this release type: kErrorLabels */
+
+/** @public */
+export declare type KeysOfAType<TSchema, Type> = {
+    [key in keyof TSchema]: NonNullable<TSchema[key]> extends Type ? key : never;
+}[keyof TSchema];
+
+/** @public */
+export declare type KeysOfOtherType<TSchema, Type> = {
+    [key in keyof TSchema]: NonNullable<TSchema[key]> extends Type ? never : key;
+}[keyof TSchema];
+
+/* Excluded from this release type: kFilter */
+
+/* Excluded from this release type: kGeneration */
+
+/* Excluded from this release type: kGeneration_2 */
+
+/* Excluded from this release type: kHello */
+
+/* Excluded from this release type: kId */
+
+/* Excluded from this release type: kInit */
+
+/* Excluded from this release type: kInitialized */
+
+/* Excluded from this release type: kInternalClient */
+
+/* Excluded from this release type: kKilled */
+
+/* Excluded from this release type: kLastUseTime */
+
+/* Excluded from this release type: kLength */
+
+/* Excluded from this release type: kLogger */
+
+/* Excluded from this release type: kMessageStream */
+
+/* Excluded from this release type: kMetrics */
+
+/* Excluded from this release type: kMinPoolSizeTimer */
+
+/* Excluded from this release type: kMode */
+
+/* Excluded from this release type: kMonitor */
+
+/* Excluded from this release type: kMonitorId */
+
+/* Excluded from this release type: kNamespace */
+
+/* Excluded from this release type: kNumReturned */
+
+/* Excluded from this release type: kOptions */
+
+/* Excluded from this release type: kOptions_2 */
+
+/* Excluded from this release type: kOptions_3 */
+
+/* Excluded from this release type: kPending */
+
+/* Excluded from this release type: kPinnedConnection */
+
+/* Excluded from this release type: kPipeline */
+
+/* Excluded from this release type: kPoolState */
+
+/* Excluded from this release type: kProcessingWaitQueue */
+
+/* Excluded from this release type: kQueue */
+
+/* Excluded from this release type: kRoundTripTime */
+
+/* Excluded from this release type: kRTTPinger */
+
+/* Excluded from this release type: kServer */
+
+/* Excluded from this release type: kServer_2 */
+
+/* Excluded from this release type: kServerError */
+
+/* Excluded from this release type: kServerSession */
+
+/* Excluded from this release type: kServiceGenerations */
+
+/* Excluded from this release type: kSession */
+
+/* Excluded from this release type: kSession_2 */
+
+/* Excluded from this release type: kSnapshotEnabled */
+
+/* Excluded from this release type: kSnapshotTime */
+
+/* Excluded from this release type: kStream */
+
+/* Excluded from this release type: kTransform */
+
+/* Excluded from this release type: kTxnNumberIncrement */
+
+/* Excluded from this release type: kWaitQueue */
+
+/* Excluded from this release type: kWaitQueue_2 */
+
+/** @public */
+export declare const LEGAL_TCP_SOCKET_OPTIONS: readonly ["family", "hints", "localAddress", "localPort", "lookup"];
+
+/** @public */
+export declare const LEGAL_TLS_SOCKET_OPTIONS: readonly ["ALPNProtocols", "ca", "cert", "checkServerIdentity", "ciphers", "crl", "ecdhCurve", "key", "minDHSize", "passphrase", "pfx", "rejectUnauthorized", "secureContext", "secureProtocol", "servername", "session"];
+
+/** @public */
+export declare class ListCollectionsCursor<T extends Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo = Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo> extends AbstractCursor<T> {
+    parent: Db;
+    filter: Document;
+    options?: ListCollectionsOptions;
+    constructor(db: Db, filter: Document, options?: ListCollectionsOptions);
+    clone(): ListCollectionsCursor<T>;
+    /* Excluded from this release type: _initialize */
+}
+
+/** @public */
+export declare interface ListCollectionsOptions extends CommandOperationOptions {
+    /** Since 4.0: If true, will only return the collection name in the response, and will omit additional info */
+    nameOnly?: boolean;
+    /** Since 4.0: If true and nameOnly is true, allows a user without the required privilege (i.e. listCollections action on the database) to run the command when access control is enforced. */
+    authorizedCollections?: boolean;
+    /** The batchSize for the returned command cursor or if pre 2.8 the systems batch collection */
+    batchSize?: number;
+}
+
+/** @public */
+export declare interface ListDatabasesOptions extends CommandOperationOptions {
+    /** A query predicate that determines which databases are listed */
+    filter?: Document;
+    /** A flag to indicate whether the command should return just the database names, or return both database names and size information */
+    nameOnly?: boolean;
+    /** A flag that determines which databases are returned based on the user privileges when access control is enabled */
+    authorizedDatabases?: boolean;
+}
+
+/** @public */
+export declare interface ListDatabasesResult {
+    databases: ({
+        name: string;
+        sizeOnDisk?: number;
+        empty?: boolean;
+    } & Document)[];
+    totalSize?: number;
+    totalSizeMb?: number;
+    ok: 1 | 0;
+}
+
+/** @public */
+export declare class ListIndexesCursor extends AbstractCursor {
+    parent: Collection;
+    options?: ListIndexesOptions;
+    constructor(collection: Collection, options?: ListIndexesOptions);
+    clone(): ListIndexesCursor;
+    /* Excluded from this release type: _initialize */
+}
+
+/** @public */
+export declare interface ListIndexesOptions extends CommandOperationOptions {
+    /** The batchSize for the returned command cursor or if pre 2.8 the systems batch collection */
+    batchSize?: number;
+}
+
+/**
+ * @public
+ */
+export declare class Logger {
+    className: string;
+    /**
+     * Creates a new Logger instance
+     *
+     * @param className - The Class name associated with the logging instance
+     * @param options - Optional logging settings
+     */
+    constructor(className: string, options?: LoggerOptions);
+    /**
+     * Log a message at the debug level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    debug(message: string, object?: unknown): void;
+    /**
+     * Log a message at the warn level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    warn(message: string, object?: unknown): void;
+    /**
+     * Log a message at the info level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    info(message: string, object?: unknown): void;
+    /**
+     * Log a message at the error level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    error(message: string, object?: unknown): void;
+    /** Is the logger set at info level */
+    isInfo(): boolean;
+    /** Is the logger set at error level */
+    isError(): boolean;
+    /** Is the logger set at error level */
+    isWarn(): boolean;
+    /** Is the logger set at debug level */
+    isDebug(): boolean;
+    /** Resets the logger to default settings, error and no filtered classes */
+    static reset(): void;
+    /** Get the current logger function */
+    static currentLogger(): LoggerFunction;
+    /**
+     * Set the current logger function
+     *
+     * @param logger - Custom logging function
+     */
+    static setCurrentLogger(logger: LoggerFunction): void;
+    /**
+     * Filter log messages for a particular class
+     *
+     * @param type - The type of filter (currently only class)
+     * @param values - The filters to apply
+     */
+    static filter(type: string, values: string[]): void;
+    /**
+     * Set the current log level
+     *
+     * @param newLevel - Set current log level (debug, warn, info, error)
+     */
+    static setLevel(newLevel: LoggerLevel): void;
+}
+
+/** @public */
+export declare type LoggerFunction = (message?: any, ...optionalParams: any[]) => void;
+
+/** @public */
+export declare const LoggerLevel: Readonly<{
+    readonly ERROR: "error";
+    readonly WARN: "warn";
+    readonly INFO: "info";
+    readonly DEBUG: "debug";
+    readonly error: "error";
+    readonly warn: "warn";
+    readonly info: "info";
+    readonly debug: "debug";
+}>;
+
+/** @public */
+export declare type LoggerLevel = typeof LoggerLevel[keyof typeof LoggerLevel];
+
+/** @public */
+export declare interface LoggerOptions {
+    logger?: LoggerFunction;
+    loggerLevel?: LoggerLevel;
+}
+
+export { Long }
+
+export { Map_2 as Map }
+
+/** @public */
+export declare type MapFunction<TSchema = Document> = (this: TSchema) => void;
+
+/** @public */
+export declare interface MapReduceOptions<TKey = ObjectId, TValue = Document> extends CommandOperationOptions {
+    /** Sets the output target for the map reduce job. */
+    out?: 'inline' | {
+        inline: 1;
+    } | {
+        replace: string;
+    } | {
+        merge: string;
+    } | {
+        reduce: string;
+    };
+    /** Query filter object. */
+    query?: Document;
+    /** Sorts the input objects using this key. Useful for optimization, like sorting by the emit key for fewer reduces. */
+    sort?: Sort;
+    /** Number of objects to return from collection. */
+    limit?: number;
+    /** Keep temporary data. */
+    keeptemp?: boolean;
+    /** Finalize function. */
+    finalize?: FinalizeFunction<TKey, TValue> | string;
+    /** Can pass in variables that can be access from map/reduce/finalize. */
+    scope?: Document;
+    /** It is possible to make the execution stay in JS. Provided in MongoDB \> 2.0.X. */
+    jsMode?: boolean;
+    /** Provide statistics on job execution time. */
+    verbose?: boolean;
+    /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+    bypassDocumentValidation?: boolean;
+}
+
+/** @public */
+export declare type MatchKeysAndValues<TSchema> = Readonly<{
+    [Property in Join<NestedPaths<TSchema>, '.'>]?: PropertyType<TSchema, Property>;
+} & {
+    [Property in `${NestedPathsOfType<TSchema, any[]>}.$${`[${string}]` | ''}`]?: ArrayElement<PropertyType<TSchema, Property extends `${infer Key}.$${string}` ? Key : never>>;
+} & {
+    [Property in `${NestedPathsOfType<TSchema, Record<string, any>[]>}.$${`[${string}]` | ''}.${string}`]?: any;
+}>;
+
+export { MaxKey }
+
+/* Excluded from this release type: MessageHeader */
+
+/* Excluded from this release type: MessageStream */
+
+/* Excluded from this release type: MessageStreamOptions */
+export { MinKey }
+
+/** @public */
+export declare interface ModifyResult<TSchema = Document> {
+    value: WithId<TSchema> | null;
+    lastErrorObject?: Document;
+    ok: 0 | 1;
+}
+
+/** @public */
+export declare const MONGO_CLIENT_EVENTS: readonly ["connectionPoolCreated", "connectionPoolReady", "connectionPoolCleared", "connectionPoolClosed", "connectionCreated", "connectionReady", "connectionClosed", "connectionCheckOutStarted", "connectionCheckOutFailed", "connectionCheckedOut", "connectionCheckedIn", "commandStarted", "commandSucceeded", "commandFailed", "serverOpening", "serverClosed", "serverDescriptionChanged", "topologyOpening", "topologyClosed", "topologyDescriptionChanged", "error", "timeout", "close", "serverHeartbeatStarted", "serverHeartbeatSucceeded", "serverHeartbeatFailed"];
+
+/**
+ * An error generated when the driver API is used incorrectly
+ *
+ * @privateRemarks
+ * Should **never** be directly instantiated
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoAPIError extends MongoDriverError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * A error generated when the user attempts to authenticate
+ * via AWS, but fails
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoAWSError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when a batch command is re-executed after one of the commands in the batch
+ * has failed
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoBatchReExecutionError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/**
+ * An error indicating an unsuccessful Bulk Write
+ * @public
+ * @category Error
+ */
+export declare class MongoBulkWriteError extends MongoServerError {
+    result: BulkWriteResult;
+    writeErrors: OneOrMore<WriteError>;
+    err?: WriteConcernError;
+    /** Creates a new MongoBulkWriteError */
+    constructor(error: {
+        message: string;
+        code: number;
+        writeErrors?: WriteError[];
+    } | WriteConcernError | AnyError, result: BulkWriteResult);
+    get name(): string;
+    /** Number of documents inserted. */
+    get insertedCount(): number;
+    /** Number of documents matched for update. */
+    get matchedCount(): number;
+    /** Number of documents modified. */
+    get modifiedCount(): number;
+    /** Number of documents deleted. */
+    get deletedCount(): number;
+    /** Number of documents upserted. */
+    get upsertedCount(): number;
+    /** Inserted document generated Id's, hash key is the index of the originating operation */
+    get insertedIds(): {
+        [key: number]: any;
+    };
+    /** Upserted document generated Id's, hash key is the index of the originating operation */
+    get upsertedIds(): {
+        [key: number]: any;
+    };
+}
+
+/**
+ * An error generated when a ChangeStream operation fails to execute.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoChangeStreamError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * The **MongoClient** class is a class that allows for making Connections to MongoDB.
+ * @public
+ *
+ * @remarks
+ * The programmatically provided options take precedence over the URI options.
+ *
+ * @example
+ * ```ts
+ * import { MongoClient } from 'mongodb';
+ *
+ * // Enable command monitoring for debugging
+ * const client = new MongoClient('mongodb://localhost:27017', { monitorCommands: true });
+ *
+ * client.on('commandStarted', started => console.log(started));
+ * client.db().collection('pets');
+ * await client.insertOne({ name: 'spot', kind: 'dog' });
+ * ```
+ */
+export declare class MongoClient extends TypedEventEmitter<MongoClientEvents> {
+    /* Excluded from this release type: s */
+    /* Excluded from this release type: topology */
+    /* Excluded from this release type: [kOptions] */
+    constructor(url: string, options?: MongoClientOptions);
+    get options(): Readonly<MongoOptions>;
+    get serverApi(): Readonly<ServerApi | undefined>;
+    /* Excluded from this release type: monitorCommands */
+    /* Excluded from this release type: monitorCommands */
+    get autoEncrypter(): AutoEncrypter | undefined;
+    get readConcern(): ReadConcern | undefined;
+    get writeConcern(): WriteConcern | undefined;
+    get readPreference(): ReadPreference;
+    get bsonOptions(): BSONSerializeOptions;
+    get logger(): Logger;
+    /**
+     * Connect to MongoDB using a url
+     *
+     * @see docs.mongodb.org/manual/reference/connection-string/
+     */
+    connect(): Promise<this>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    connect(callback: Callback<this>): void;
+    /**
+     * Close the db and its underlying connections
+     *
+     * @param force - Force close, emitting no events
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    close(): Promise<void>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    close(callback: Callback<void>): void;
+    close(force: boolean): Promise<void>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    close(force: boolean, callback: Callback<void>): void;
+    /**
+     * Create a new Db instance sharing the current socket connections.
+     *
+     * @param dbName - The name of the database we want to use. If not provided, use database name from connection string.
+     * @param options - Optional settings for Db construction
+     */
+    db(dbName?: string, options?: DbOptions): Db;
+    /**
+     * Connect to MongoDB using a url
+     *
+     * @remarks
+     * The programmatically provided options take precedence over the URI options.
+     *
+     * @see https://docs.mongodb.org/manual/reference/connection-string/
+     */
+    static connect(url: string): Promise<MongoClient>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    static connect(url: string, callback: Callback<MongoClient>): void;
+    static connect(url: string, options: MongoClientOptions): Promise<MongoClient>;
+    /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+    static connect(url: string, options: MongoClientOptions, callback: Callback<MongoClient>): void;
+    /** Starts a new session on the server */
+    startSession(): ClientSession;
+    startSession(options: ClientSessionOptions): ClientSession;
+    /**
+     * Runs a given operation with an implicitly created session. The lifetime of the session
+     * will be handled without the need for user interaction.
+     *
+     * NOTE: presently the operation MUST return a Promise (either explicit or implicitly as an async function)
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An callback to execute with an implicitly created session
+     */
+    withSession(callback: WithSessionCallback): Promise<void>;
+    withSession(options: ClientSessionOptions, callback: WithSessionCallback): Promise<void>;
+    /**
+     * Create a new Change Stream, watching for new changes (insertions, updates,
+     * replacements, deletions, and invalidations) in this cluster. Will ignore all
+     * changes to system collections, as well as the local, admin, and config databases.
+     *
+     * @remarks
+     * watch() accepts two generic arguments for distinct usecases:
+     * - The first is to provide the schema that may be defined for all the data within the current cluster
+     * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+     *
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+     * @param options - Optional settings for the command
+     * @typeParam TSchema - Type of the data being detected by the change stream
+     * @typeParam TChange - Type of the whole change stream document emitted
+     */
+    watch<TSchema extends Document = Document, TChange extends Document = ChangeStreamDocument<TSchema>>(pipeline?: Document[], options?: ChangeStreamOptions): ChangeStream<TSchema, TChange>;
+    /** Return the mongo client logger */
+    getLogger(): Logger;
+}
+
+/** @public */
+export declare type MongoClientEvents = Pick<TopologyEvents, typeof MONGO_CLIENT_EVENTS[number]> & {
+    open(mongoClient: MongoClient): void;
+};
+
+/**
+ * Describes all possible URI query options for the mongo client
+ * @public
+ * @see https://docs.mongodb.com/manual/reference/connection-string
+ */
+export declare interface MongoClientOptions extends BSONSerializeOptions, SupportedNodeConnectionOptions {
+    /** Specifies the name of the replica set, if the mongod is a member of a replica set. */
+    replicaSet?: string;
+    /** Enables or disables TLS/SSL for the connection. */
+    tls?: boolean;
+    /** A boolean to enable or disables TLS/SSL for the connection. (The ssl option is equivalent to the tls option.) */
+    ssl?: boolean;
+    /** Specifies the location of a local TLS Certificate */
+    tlsCertificateFile?: string;
+    /** Specifies the location of a local .pem file that contains either the client's TLS/SSL certificate and key or only the client's TLS/SSL key when tlsCertificateFile is used to provide the certificate. */
+    tlsCertificateKeyFile?: string;
+    /** Specifies the password to de-crypt the tlsCertificateKeyFile. */
+    tlsCertificateKeyFilePassword?: string;
+    /** Specifies the location of a local .pem file that contains the root certificate chain from the Certificate Authority. This file is used to validate the certificate presented by the mongod/mongos instance. */
+    tlsCAFile?: string;
+    /** Bypasses validation of the certificates presented by the mongod/mongos instance */
+    tlsAllowInvalidCertificates?: boolean;
+    /** Disables hostname validation of the certificate presented by the mongod/mongos instance. */
+    tlsAllowInvalidHostnames?: boolean;
+    /** Disables various certificate validations. */
+    tlsInsecure?: boolean;
+    /** The time in milliseconds to attempt a connection before timing out. */
+    connectTimeoutMS?: number;
+    /** The time in milliseconds to attempt a send or receive on a socket before the attempt times out. */
+    socketTimeoutMS?: number;
+    /** An array or comma-delimited string of compressors to enable network compression for communication between this client and a mongod/mongos instance. */
+    compressors?: CompressorName[] | string;
+    /** An integer that specifies the compression level if using zlib for network compression. */
+    zlibCompressionLevel?: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | undefined;
+    /** The maximum number of hosts to connect to when using an srv connection string, a setting of `0` means unlimited hosts */
+    srvMaxHosts?: number;
+    /**
+     * Modifies the srv URI to look like:
+     *
+     * `_{srvServiceName}._tcp.{hostname}.{domainname}`
+     *
+     * Querying this DNS URI is expected to respond with SRV records
+     */
+    srvServiceName?: string;
+    /** The maximum number of connections in the connection pool. */
+    maxPoolSize?: number;
+    /** The minimum number of connections in the connection pool. */
+    minPoolSize?: number;
+    /** The maximum number of connections that may be in the process of being established concurrently by the connection pool. */
+    maxConnecting?: number;
+    /** The maximum number of milliseconds that a connection can remain idle in the pool before being removed and closed. */
+    maxIdleTimeMS?: number;
+    /** The maximum time in milliseconds that a thread can wait for a connection to become available. */
+    waitQueueTimeoutMS?: number;
+    /** Specify a read concern for the collection (only MongoDB 3.2 or higher supported) */
+    readConcern?: ReadConcernLike;
+    /** The level of isolation */
+    readConcernLevel?: ReadConcernLevel;
+    /** Specifies the read preferences for this connection */
+    readPreference?: ReadPreferenceMode | ReadPreference;
+    /** Specifies, in seconds, how stale a secondary can be before the client stops using it for read operations. */
+    maxStalenessSeconds?: number;
+    /** Specifies the tags document as a comma-separated list of colon-separated key-value pairs.  */
+    readPreferenceTags?: TagSet[];
+    /** The auth settings for when connection to server. */
+    auth?: Auth;
+    /** Specify the database name associated with the user’s credentials. */
+    authSource?: string;
+    /** Specify the authentication mechanism that MongoDB will use to authenticate the connection. */
+    authMechanism?: AuthMechanism;
+    /** Specify properties for the specified authMechanism as a comma-separated list of colon-separated key-value pairs. */
+    authMechanismProperties?: AuthMechanismProperties;
+    /** The size (in milliseconds) of the latency window for selecting among multiple suitable MongoDB instances. */
+    localThresholdMS?: number;
+    /** Specifies how long (in milliseconds) to block for server selection before throwing an exception.  */
+    serverSelectionTimeoutMS?: number;
+    /** heartbeatFrequencyMS controls when the driver checks the state of the MongoDB deployment. Specify the interval (in milliseconds) between checks, counted from the end of the previous check until the beginning of the next one. */
+    heartbeatFrequencyMS?: number;
+    /** Sets the minimum heartbeat frequency. In the event that the driver has to frequently re-check a server's availability, it will wait at least this long since the previous check to avoid wasted effort. */
+    minHeartbeatFrequencyMS?: number;
+    /** The name of the application that created this MongoClient instance. MongoDB 3.4 and newer will print this value in the server log upon establishing each connection. It is also recorded in the slow query log and profile collections */
+    appName?: string;
+    /** Enables retryable reads. */
+    retryReads?: boolean;
+    /** Enable retryable writes. */
+    retryWrites?: boolean;
+    /** Allow a driver to force a Single topology type with a connection string containing one host */
+    directConnection?: boolean;
+    /** Instruct the driver it is connecting to a load balancer fronting a mongos like service */
+    loadBalanced?: boolean;
+    /**
+     * The write concern w value
+     * @deprecated Please use the `writeConcern` option instead
+     */
+    w?: W;
+    /**
+     * The write concern timeout
+     * @deprecated Please use the `writeConcern` option instead
+     */
+    wtimeoutMS?: number;
+    /**
+     * The journal write concern
+     * @deprecated Please use the `writeConcern` option instead
+     */
+    journal?: boolean;
+    /**
+     * A MongoDB WriteConcern, which describes the level of acknowledgement
+     * requested from MongoDB for write operations.
+     *
+     * @see https://docs.mongodb.com/manual/reference/write-concern/
+     */
+    writeConcern?: WriteConcern | WriteConcernSettings;
+    /** Validate mongod server certificate against Certificate Authority */
+    sslValidate?: boolean;
+    /** SSL Certificate file path. */
+    sslCA?: string;
+    /** SSL Certificate file path. */
+    sslCert?: string;
+    /** SSL Key file file path. */
+    sslKey?: string;
+    /** SSL Certificate pass phrase. */
+    sslPass?: string;
+    /** SSL Certificate revocation list file path. */
+    sslCRL?: string;
+    /** TCP Connection no delay */
+    noDelay?: boolean;
+    /** TCP Connection keep alive enabled */
+    keepAlive?: boolean;
+    /** The number of milliseconds to wait before initiating keepAlive on the TCP socket */
+    keepAliveInitialDelay?: number;
+    /** Force server to assign `_id` values instead of driver */
+    forceServerObjectId?: boolean;
+    /** Return document results as raw BSON buffers */
+    raw?: boolean;
+    /** A primary key factory function for generation of custom `_id` keys */
+    pkFactory?: PkFactory;
+    /**
+     * A Promise library class the application wishes to use such as Bluebird, must be ES6 compatible
+     * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+     */
+    promiseLibrary?: any;
+    /** The logging level */
+    loggerLevel?: LoggerLevel;
+    /** Custom logger object */
+    logger?: Logger;
+    /** Enable command monitoring for this client */
+    monitorCommands?: boolean;
+    /** Server API version */
+    serverApi?: ServerApi | ServerApiVersion;
+    /**
+     * Optionally enable client side auto encryption
+     *
+     * @remarks
+     *  Automatic encryption is an enterprise only feature that only applies to operations on a collection. Automatic encryption is not supported for operations on a database or view, and operations that are not bypassed will result in error
+     *  (see [libmongocrypt: Auto Encryption Allow-List](https://github.com/mongodb/specifications/blob/master/source/client-side-encryption/client-side-encryption.rst#libmongocrypt-auto-encryption-allow-list)). To bypass automatic encryption for all operations, set bypassAutoEncryption=true in AutoEncryptionOpts.
+     *
+     *  Automatic encryption requires the authenticated user to have the [listCollections privilege action](https://docs.mongodb.com/manual/reference/command/listCollections/#dbcmd.listCollections).
+     *
+     *  If a MongoClient with a limited connection pool size (i.e a non-zero maxPoolSize) is configured with AutoEncryptionOptions, a separate internal MongoClient is created if any of the following are true:
+     *  - AutoEncryptionOptions.keyVaultClient is not passed.
+     *  - AutoEncryptionOptions.bypassAutomaticEncryption is false.
+     *
+     * If an internal MongoClient is created, it is configured with the same options as the parent MongoClient except minPoolSize is set to 0 and AutoEncryptionOptions is omitted.
+     */
+    autoEncryption?: AutoEncryptionOptions;
+    /** Allows a wrapping driver to amend the client metadata generated by the driver to include information about the wrapping driver */
+    driverInfo?: DriverInfo;
+    /** Configures a Socks5 proxy host used for creating TCP connections. */
+    proxyHost?: string;
+    /** Configures a Socks5 proxy port used for creating TCP connections. */
+    proxyPort?: number;
+    /** Configures a Socks5 proxy username when the proxy in proxyHost requires username/password authentication. */
+    proxyUsername?: string;
+    /** Configures a Socks5 proxy password when the proxy in proxyHost requires username/password authentication. */
+    proxyPassword?: string;
+    /* Excluded from this release type: srvPoller */
+    /* Excluded from this release type: connectionType */
+    /* Excluded from this release type: __index */
+}
+
+/* Excluded from this release type: MongoClientPrivate */
+
+/**
+ * An error generated when a feature that is not enabled or allowed for the current server
+ * configuration is used
+ *
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoCompatibilityError extends MongoAPIError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * A representation of the credentials used by MongoDB
+ * @public
+ */
+export declare class MongoCredentials {
+    /** The username used for authentication */
+    readonly username: string;
+    /** The password used for authentication */
+    readonly password: string;
+    /** The database that the user should authenticate against */
+    readonly source: string;
+    /** The method used to authenticate */
+    readonly mechanism: AuthMechanism;
+    /** Special properties used by some types of auth mechanisms */
+    readonly mechanismProperties: AuthMechanismProperties;
+    constructor(options: MongoCredentialsOptions);
+    /** Determines if two MongoCredentials objects are equivalent */
+    equals(other: MongoCredentials): boolean;
+    /**
+     * If the authentication mechanism is set to "default", resolves the authMechanism
+     * based on the server version and server supported sasl mechanisms.
+     *
+     * @param hello - A hello response from the server
+     */
+    resolveAuthMechanism(hello?: Document): MongoCredentials;
+    validate(): void;
+    static merge(creds: MongoCredentials | undefined, options: Partial<MongoCredentialsOptions>): MongoCredentials;
+}
+
+/** @public */
+export declare interface MongoCredentialsOptions {
+    username: string;
+    password: string;
+    source: string;
+    db?: string;
+    mechanism?: AuthMechanism;
+    mechanismProperties: AuthMechanismProperties;
+}
+
+/**
+ * An error thrown when an attempt is made to read from a cursor that has been exhausted
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoCursorExhaustedError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/**
+ * An error thrown when the user attempts to add options to a cursor that has already been
+ * initialized
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoCursorInUseError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/** @public */
+export declare class MongoDBNamespace {
+    db: string;
+    collection: string | undefined;
+    /**
+     * Create a namespace object
+     *
+     * @param db - database name
+     * @param collection - collection name
+     */
+    constructor(db: string, collection?: string);
+    toString(): string;
+    withCollection(collection: string): MongoDBNamespace;
+    static fromString(namespace?: string): MongoDBNamespace;
+}
+
+/**
+ * An error generated when the driver fails to decompress
+ * data received from the server.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoDecompressionError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated by the driver
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoDriverError extends MongoError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * @public
+ * @category Error
+ *
+ * @privateRemarks
+ * CSFLE has a dependency on this error, it uses the constructor with a string argument
+ */
+export declare class MongoError extends Error {
+    /* Excluded from this release type: [kErrorLabels] */
+    /**
+     * This is a number in MongoServerError and a string in MongoDriverError
+     * @privateRemarks
+     * Define the type override on the subclasses when we can use the override keyword
+     */
+    code?: number | string;
+    topologyVersion?: TopologyVersion;
+    cause?: Error;
+    constructor(message: string | Error);
+    get name(): string;
+    /** Legacy name for server error responses */
+    get errmsg(): string;
+    /**
+     * Checks the error to see if it has an error label
+     *
+     * @param label - The error label to check for
+     * @returns returns true if the error has the provided error label
+     */
+    hasErrorLabel(label: string): boolean;
+    addErrorLabel(label: string): void;
+    get errorLabels(): string[];
+}
+
+/** @public */
+export declare const MongoErrorLabel: Readonly<{
+    readonly RetryableWriteError: "RetryableWriteError";
+    readonly TransientTransactionError: "TransientTransactionError";
+    readonly UnknownTransactionCommitResult: "UnknownTransactionCommitResult";
+    readonly ResumableChangeStreamError: "ResumableChangeStreamError";
+    readonly HandshakeError: "HandshakeError";
+    readonly ResetPool: "ResetPool";
+}>;
+
+/** @public */
+export declare type MongoErrorLabel = typeof MongoErrorLabel[keyof typeof MongoErrorLabel];
+
+/**
+ * An error generated when the user attempts to operate
+ * on a session that has expired or has been closed.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoExpiredSessionError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when a malformed or invalid chunk is
+ * encountered when reading from a GridFSStream.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoGridFSChunkError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/** An error generated when a GridFSStream operation fails to execute.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoGridFSStreamError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when the user supplies malformed or unexpected arguments
+ * or when a required argument or field is not provided.
+ *
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoInvalidArgumentError extends MongoAPIError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * A error generated when the user attempts to authenticate
+ * via Kerberos, but fails to connect to the Kerberos client.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoKerberosError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when the user fails to provide authentication credentials before attempting
+ * to connect to a mongo server instance.
+ *
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoMissingCredentialsError extends MongoAPIError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when a required module or dependency is not present in the local environment
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoMissingDependencyError extends MongoAPIError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error indicating an issue with the network, including TCP errors and timeouts.
+ * @public
+ * @category Error
+ */
+export declare class MongoNetworkError extends MongoError {
+    /* Excluded from this release type: [kBeforeHandshake] */
+    constructor(message: string | Error, options?: MongoNetworkErrorOptions);
+    get name(): string;
+}
+
+/** @public */
+export declare interface MongoNetworkErrorOptions {
+    /** Indicates the timeout happened before a connection handshake completed */
+    beforeHandshake: boolean;
+}
+
+/**
+ * An error indicating a network timeout occurred
+ * @public
+ * @category Error
+ *
+ * @privateRemarks
+ * CSFLE has a dependency on this error with an instanceof check
+ */
+export declare class MongoNetworkTimeoutError extends MongoNetworkError {
+    constructor(message: string, options?: MongoNetworkErrorOptions);
+    get name(): string;
+}
+
+/**
+ * An error thrown when the user attempts to operate on a database or collection through a MongoClient
+ * that has not yet successfully called the "connect" method
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoNotConnectedError extends MongoAPIError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * Mongo Client Options
+ * @public
+ */
+export declare interface MongoOptions extends Required<Pick<MongoClientOptions, 'autoEncryption' | 'connectTimeoutMS' | 'directConnection' | 'driverInfo' | 'forceServerObjectId' | 'minHeartbeatFrequencyMS' | 'heartbeatFrequencyMS' | 'keepAlive' | 'keepAliveInitialDelay' | 'localThresholdMS' | 'logger' | 'maxConnecting' | 'maxIdleTimeMS' | 'maxPoolSize' | 'minPoolSize' | 'monitorCommands' | 'noDelay' | 'pkFactory' | 'promiseLibrary' | 'raw' | 'replicaSet' | 'retryReads' | 'retryWrites' | 'serverSelectionTimeoutMS' | 'socketTimeoutMS' | 'srvMaxHosts' | 'srvServiceName' | 'tlsAllowInvalidCertificates' | 'tlsAllowInvalidHostnames' | 'tlsInsecure' | 'waitQueueTimeoutMS' | 'zlibCompressionLevel'>>, SupportedNodeConnectionOptions {
+    hosts: HostAddress[];
+    srvHost?: string;
+    credentials?: MongoCredentials;
+    readPreference: ReadPreference;
+    readConcern: ReadConcern;
+    loadBalanced: boolean;
+    serverApi: ServerApi;
+    compressors: CompressorName[];
+    writeConcern: WriteConcern;
+    dbName: string;
+    metadata: ClientMetadata;
+    autoEncrypter?: AutoEncrypter;
+    proxyHost?: string;
+    proxyPort?: number;
+    proxyUsername?: string;
+    proxyPassword?: string;
+    /* Excluded from this release type: connectionType */
+    /* Excluded from this release type: encrypter */
+    /* Excluded from this release type: userSpecifiedAuthSource */
+    /* Excluded from this release type: userSpecifiedReplicaSet */
+    /**
+     * # NOTE ABOUT TLS Options
+     *
+     * If set TLS enabled, equivalent to setting the ssl option.
+     *
+     * ### Additional options:
+     *
+     * |    nodejs option     | MongoDB equivalent                                       | type                                   |
+     * |:---------------------|--------------------------------------------------------- |:---------------------------------------|
+     * | `ca`                 | `sslCA`, `tlsCAFile`                                     | `string \| Buffer \| Buffer[]`         |
+     * | `crl`                | `sslCRL`                                                 | `string \| Buffer \| Buffer[]`         |
+     * | `cert`               | `sslCert`, `tlsCertificateFile`, `tlsCertificateKeyFile` | `string \| Buffer \| Buffer[]`         |
+     * | `key`                | `sslKey`, `tlsCertificateKeyFile`                        | `string \| Buffer \| KeyObject[]`      |
+     * | `passphrase`         | `sslPass`, `tlsCertificateKeyFilePassword`               | `string`                               |
+     * | `rejectUnauthorized` | `sslValidate`                                            | `boolean`                              |
+     *
+     */
+    tls: boolean;
+    /* Excluded from this release type: __index */
+}
+
+/**
+ * An error used when attempting to parse a value (like a connection string)
+ * @public
+ * @category Error
+ */
+export declare class MongoParseError extends MongoDriverError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when the driver encounters unexpected input
+ * or reaches an unexpected/invalid internal state
+ *
+ * @privateRemarks
+ * Should **never** be directly instantiated.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoRuntimeError extends MongoDriverError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when an attempt is made to operate
+ * on a closed/closing server.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoServerClosedError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/**
+ * An error coming from the mongo server
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoServerError extends MongoError {
+    codeName?: string;
+    writeConcernError?: Document;
+    errInfo?: Document;
+    ok?: number;
+    [key: string]: any;
+    constructor(message: ErrorDescription);
+    get name(): string;
+}
+
+/**
+ * An error signifying a client-side server selection error
+ * @public
+ * @category Error
+ */
+export declare class MongoServerSelectionError extends MongoSystemError {
+    constructor(message: string, reason: TopologyDescription);
+    get name(): string;
+}
+
+/**
+ * An error signifying a general system issue
+ * @public
+ * @category Error
+ */
+export declare class MongoSystemError extends MongoError {
+    /** An optional reason context, such as an error saved during flow of monitoring and selecting servers */
+    reason?: TopologyDescription;
+    constructor(message: string, reason: TopologyDescription);
+    get name(): string;
+}
+
+/**
+ * An error thrown when the user calls a function or method not supported on a tailable cursor
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoTailableCursorError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when an attempt is made to operate on a
+ * dropped, or otherwise unavailable, database.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoTopologyClosedError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when the user makes a mistake in the usage of transactions.
+ * (e.g. attempting to commit a transaction with a readPreference other than primary)
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoTransactionError extends MongoAPIError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when a **parsable** unexpected response comes from the server.
+ * This is generally an error where the driver in a state expecting a certain behavior to occur in
+ * the next message from MongoDB but it receives something else.
+ * This error **does not** represent an issue with wire message formatting.
+ *
+ * #### Example
+ * When an operation fails, it is the driver's job to retry it. It must perform serverSelection
+ * again to make sure that it attempts the operation against a server in a good state. If server
+ * selection returns a server that does not support retryable operations, this error is used.
+ * This scenario is unlikely as retryable support would also have been determined on the first attempt
+ * but it is possible the state change could report a selectable server that does not support retries.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoUnexpectedServerResponseError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error thrown when the server reports a writeConcernError
+ * @public
+ * @category Error
+ */
+export declare class MongoWriteConcernError extends MongoServerError {
+    /** The result document (provided if ok: 1) */
+    result?: Document;
+    constructor(message: ErrorDescription, result?: Document);
+    get name(): string;
+}
+
+/* Excluded from this release type: Monitor */
+
+/** @public */
+export declare type MonitorEvents = {
+    serverHeartbeatStarted(event: ServerHeartbeatStartedEvent): void;
+    serverHeartbeatSucceeded(event: ServerHeartbeatSucceededEvent): void;
+    serverHeartbeatFailed(event: ServerHeartbeatFailedEvent): void;
+    resetServer(error?: MongoError): void;
+    resetConnectionPool(): void;
+    close(): void;
+} & EventEmitterWithState;
+
+/* Excluded from this release type: MonitorInterval */
+
+/* Excluded from this release type: MonitorIntervalOptions */
+
+/** @public */
+export declare interface MonitorOptions extends Omit<ConnectionOptions, 'id' | 'generation' | 'hostAddress'> {
+    connectTimeoutMS: number;
+    heartbeatFrequencyMS: number;
+    minHeartbeatFrequencyMS: number;
+}
+
+/* Excluded from this release type: MonitorPrivate */
+
+/* Excluded from this release type: Msg */
+
+/**
+ * @public
+ * returns tuple of strings (keys to be joined on '.') that represent every path into a schema
+ * https://docs.mongodb.com/manual/tutorial/query-embedded-documents/
+ */
+export declare type NestedPaths<Type> = Type extends string | number | boolean | Date | RegExp | Buffer | Uint8Array | ((...args: any[]) => any) | {
+    _bsontype: string;
+} ? [] : Type extends ReadonlyArray<infer ArrayType> ? [] | [number, ...NestedPaths<ArrayType>] : Type extends Map<string, any> ? [string] : Type extends object ? {
+    [Key in Extract<keyof Type, string>]: Type[Key] extends Type ? [Key] : Type extends Type[Key] ? [Key] : Type[Key] extends ReadonlyArray<infer ArrayType> ? Type extends ArrayType ? [Key] : ArrayType extends Type ? [Key] : [
+    Key,
+    ...NestedPaths<Type[Key]>
+    ] : // child is not structured the same as the parent
+    [
+    Key,
+    ...NestedPaths<Type[Key]>
+    ] | [Key];
+}[Extract<keyof Type, string>] : [];
+
+/**
+ * @public
+ * returns keys (strings) for every path into a schema with a value of type
+ * https://docs.mongodb.com/manual/tutorial/query-embedded-documents/
+ */
+export declare type NestedPathsOfType<TSchema, Type> = KeysOfAType<{
+    [Property in Join<NestedPaths<TSchema>, '.'>]: PropertyType<TSchema, Property>;
+}, Type>;
+
+/**
+ * @public
+ * A type that extends Document but forbids anything that "looks like" an object id.
+ */
+export declare type NonObjectIdLikeDocument = {
+    [key in keyof ObjectIdLike]?: never;
+} & Document;
+
+/** It avoids using fields with not acceptable types @public */
+export declare type NotAcceptedFields<TSchema, FieldType> = {
+    readonly [key in KeysOfOtherType<TSchema, FieldType>]?: never;
+};
+
+/** @public */
+export declare type NumericType = IntegerType | Decimal128 | Double;
+
+/**
+ * @public
+ * @deprecated Please use `ObjectId`
+ */
+export declare const ObjectID: typeof ObjectId;
+
+export { ObjectId }
+
+/** @public */
+export declare type OneOrMore<T> = T | ReadonlyArray<T>;
+
+/** @public */
+export declare type OnlyFieldsOfType<TSchema, FieldType = any, AssignableType = FieldType> = IsAny<TSchema[keyof TSchema], Record<string, FieldType>, AcceptedFields<TSchema, FieldType, AssignableType> & NotAcceptedFields<TSchema, FieldType> & Record<string, AssignableType>>;
+
+/* Excluded from this release type: OperationDescription */
+
+/** @public */
+export declare interface OperationOptions extends BSONSerializeOptions {
+    /** Specify ClientSession for this command */
+    session?: ClientSession;
+    willRetryWrite?: boolean;
+    /** The preferred read preference (ReadPreference.primary, ReadPreference.primary_preferred, ReadPreference.secondary, ReadPreference.secondary_preferred, ReadPreference.nearest). */
+    readPreference?: ReadPreferenceLike;
+    /* Excluded from this release type: bypassPinningCheck */
+    omitReadPreference?: boolean;
+}
+
+/* Excluded from this release type: OperationParent */
+
+/**
+ * Represents a specific point in time on a server. Can be retrieved by using `db.command()`
+ * @public
+ * @see https://docs.mongodb.com/manual/reference/method/db.runCommand/#response
+ */
+export declare type OperationTime = Timestamp;
+
+/* Excluded from this release type: OpMsgOptions */
+
+/* Excluded from this release type: OpQueryOptions */
+
+/* Excluded from this release type: OpResponseOptions */
+
+/**
+ * Add an optional _id field to an object shaped type
+ * @public
+ */
+export declare type OptionalId<TSchema> = EnhancedOmit<TSchema, '_id'> & {
+    _id?: InferIdType<TSchema>;
+};
+
+/**
+ * Adds an optional _id field to an object shaped type, unless the _id field is requried on that type.
+ * In the case _id is required, this method continues to require_id.
+ *
+ * @public
+ *
+ * @privateRemarks
+ * `ObjectId extends TSchema['_id']` is a confusing ordering at first glance. Rather than ask
+ * `TSchema['_id'] extends ObjectId` which translated to "Is the _id property ObjectId?"
+ * we instead ask "Does ObjectId look like (have the same shape) as the _id?"
+ */
+export declare type OptionalUnlessRequiredId<TSchema> = TSchema extends {
+    _id: any;
+} ? TSchema : OptionalId<TSchema>;
+
+/** @public */
+export declare class OrderedBulkOperation extends BulkOperationBase {
+    /* Excluded from this release type: __constructor */
+    addToOperationsList(batchType: BatchType, document: Document | UpdateStatement | DeleteStatement): this;
+}
+
+/** @public */
+export declare interface PipeOptions {
+    end?: boolean;
+}
+
+/** @public */
+export declare interface PkFactory {
+    createPk(): any;
+}
+
+/* Excluded from this release type: PoolState */
+
+/** @public */
+export declare const ProfilingLevel: Readonly<{
+    readonly off: "off";
+    readonly slowOnly: "slow_only";
+    readonly all: "all";
+}>;
+
+/** @public */
+export declare type ProfilingLevel = typeof ProfilingLevel[keyof typeof ProfilingLevel];
+
+/** @public */
+export declare type ProfilingLevelOptions = CommandOperationOptions;
+
+/**
+ * @public
+ * Projection is flexible to permit the wide array of aggregation operators
+ * @deprecated since v4.1.0: Since projections support all aggregation operations we have no plans to narrow this type further
+ */
+export declare type Projection<TSchema extends Document = Document> = Document;
+
+/**
+ * @public
+ * @deprecated since v4.1.0: Since projections support all aggregation operations we have no plans to narrow this type further
+ */
+export declare type ProjectionOperators = Document;
+
+/**
+ * Global promise store allowing user-provided promises
+ * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+ * @public
+ */
+declare class Promise_2 {
+    /**
+     * Validates the passed in promise library
+     * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+     */
+    static validate(lib: unknown): lib is PromiseConstructor;
+    /**
+     * Sets the promise library
+     * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+     */
+    static set(lib: PromiseConstructor | null): void;
+    /**
+     * Get the stored promise library, or resolves passed in
+     * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+     */
+    static get(): PromiseConstructor | null;
+}
+export { Promise_2 as Promise }
+
+/** @public */
+export declare type PropertyType<Type, Property extends string> = string extends Property ? unknown : Property extends keyof Type ? Type[Property] : Property extends `${number}` ? Type extends ReadonlyArray<infer ArrayType> ? ArrayType : unknown : Property extends `${infer Key}.${infer Rest}` ? Key extends `${number}` ? Type extends ReadonlyArray<infer ArrayType> ? PropertyType<ArrayType, Rest> : unknown : Key extends keyof Type ? Type[Key] extends Map<string, infer MapType> ? MapType : PropertyType<Type[Key], Rest> : unknown : unknown;
+
+/** @public */
+export declare interface ProxyOptions {
+    proxyHost?: string;
+    proxyPort?: number;
+    proxyUsername?: string;
+    proxyPassword?: string;
+}
+
+/** @public */
+export declare type PullAllOperator<TSchema> = ({
+    readonly [key in KeysOfAType<TSchema, ReadonlyArray<any>>]?: TSchema[key];
+} & NotAcceptedFields<TSchema, ReadonlyArray<any>>) & {
+    readonly [key: string]: ReadonlyArray<any>;
+};
+
+/** @public */
+export declare type PullOperator<TSchema> = ({
+    readonly [key in KeysOfAType<TSchema, ReadonlyArray<any>>]?: Partial<Flatten<TSchema[key]>> | FilterOperations<Flatten<TSchema[key]>>;
+} & NotAcceptedFields<TSchema, ReadonlyArray<any>>) & {
+    readonly [key: string]: FilterOperators<any> | any;
+};
+
+/** @public */
+export declare type PushOperator<TSchema> = ({
+    readonly [key in KeysOfAType<TSchema, ReadonlyArray<any>>]?: Flatten<TSchema[key]> | ArrayOperator<Array<Flatten<TSchema[key]>>>;
+} & NotAcceptedFields<TSchema, ReadonlyArray<any>>) & {
+    readonly [key: string]: ArrayOperator<any> | any;
+};
+
+/* Excluded from this release type: Query */
+
+/* Excluded from this release type: QueryOptions */
+
+/**
+ * The MongoDB ReadConcern, which allows for control of the consistency and isolation properties
+ * of the data read from replica sets and replica set shards.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/reference/read-concern/index.html
+ */
+export declare class ReadConcern {
+    level: ReadConcernLevel | string;
+    /** Constructs a ReadConcern from the read concern level.*/
+    constructor(level: ReadConcernLevel);
+    /**
+     * Construct a ReadConcern given an options object.
+     *
+     * @param options - The options object from which to extract the write concern.
+     */
+    static fromOptions(options?: {
+        readConcern?: ReadConcernLike;
+        level?: ReadConcernLevel;
+    }): ReadConcern | undefined;
+    static get MAJORITY(): 'majority';
+    static get AVAILABLE(): 'available';
+    static get LINEARIZABLE(): 'linearizable';
+    static get SNAPSHOT(): 'snapshot';
+    toJSON(): Document;
+}
+
+/** @public */
+export declare const ReadConcernLevel: Readonly<{
+    readonly local: "local";
+    readonly majority: "majority";
+    readonly linearizable: "linearizable";
+    readonly available: "available";
+    readonly snapshot: "snapshot";
+}>;
+
+/** @public */
+export declare type ReadConcernLevel = typeof ReadConcernLevel[keyof typeof ReadConcernLevel];
+
+/** @public */
+export declare type ReadConcernLike = ReadConcern | {
+    level: ReadConcernLevel;
+} | ReadConcernLevel;
+
+/**
+ * The **ReadPreference** class is a class that represents a MongoDB ReadPreference and is
+ * used to construct connections.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/core/read-preference/
+ */
+export declare class ReadPreference {
+    mode: ReadPreferenceMode;
+    tags?: TagSet[];
+    hedge?: HedgeOptions;
+    maxStalenessSeconds?: number;
+    minWireVersion?: number;
+    static PRIMARY: "primary";
+    static PRIMARY_PREFERRED: "primaryPreferred";
+    static SECONDARY: "secondary";
+    static SECONDARY_PREFERRED: "secondaryPreferred";
+    static NEAREST: "nearest";
+    static primary: ReadPreference;
+    static primaryPreferred: ReadPreference;
+    static secondary: ReadPreference;
+    static secondaryPreferred: ReadPreference;
+    static nearest: ReadPreference;
+    /**
+     * @param mode - A string describing the read preference mode (primary|primaryPreferred|secondary|secondaryPreferred|nearest)
+     * @param tags - A tag set used to target reads to members with the specified tag(s). tagSet is not available if using read preference mode primary.
+     * @param options - Additional read preference options
+     */
+    constructor(mode: ReadPreferenceMode, tags?: TagSet[], options?: ReadPreferenceOptions);
+    get preference(): ReadPreferenceMode;
+    static fromString(mode: string): ReadPreference;
+    /**
+     * Construct a ReadPreference given an options object.
+     *
+     * @param options - The options object from which to extract the read preference.
+     */
+    static fromOptions(options?: ReadPreferenceFromOptions): ReadPreference | undefined;
+    /**
+     * Replaces options.readPreference with a ReadPreference instance
+     */
+    static translate(options: ReadPreferenceLikeOptions): ReadPreferenceLikeOptions;
+    /**
+     * Validate if a mode is legal
+     *
+     * @param mode - The string representing the read preference mode.
+     */
+    static isValid(mode: string): boolean;
+    /**
+     * Validate if a mode is legal
+     *
+     * @param mode - The string representing the read preference mode.
+     */
+    isValid(mode?: string): boolean;
+    /**
+     * Indicates that this readPreference needs the "secondaryOk" bit when sent over the wire
+     * @deprecated Use secondaryOk instead
+     * @see https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query
+     */
+    slaveOk(): boolean;
+    /**
+     * Indicates that this readPreference needs the "SecondaryOk" bit when sent over the wire
+     * @see https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query
+     */
+    secondaryOk(): boolean;
+    /**
+     * Check if the two ReadPreferences are equivalent
+     *
+     * @param readPreference - The read preference with which to check equality
+     */
+    equals(readPreference: ReadPreference): boolean;
+    /** Return JSON representation */
+    toJSON(): Document;
+}
+
+/** @public */
+export declare interface ReadPreferenceFromOptions extends ReadPreferenceLikeOptions {
+    session?: ClientSession;
+    readPreferenceTags?: TagSet[];
+    hedge?: HedgeOptions;
+}
+
+/** @public */
+export declare type ReadPreferenceLike = ReadPreference | ReadPreferenceMode;
+
+/** @public */
+export declare interface ReadPreferenceLikeOptions extends ReadPreferenceOptions {
+    readPreference?: ReadPreferenceLike | {
+        mode?: ReadPreferenceMode;
+        preference?: ReadPreferenceMode;
+        tags?: TagSet[];
+        maxStalenessSeconds?: number;
+    };
+}
+
+/** @public */
+export declare const ReadPreferenceMode: Readonly<{
+    readonly primary: "primary";
+    readonly primaryPreferred: "primaryPreferred";
+    readonly secondary: "secondary";
+    readonly secondaryPreferred: "secondaryPreferred";
+    readonly nearest: "nearest";
+}>;
+
+/** @public */
+export declare type ReadPreferenceMode = typeof ReadPreferenceMode[keyof typeof ReadPreferenceMode];
+
+/** @public */
+export declare interface ReadPreferenceOptions {
+    /** Max secondary read staleness in seconds, Minimum value is 90 seconds.*/
+    maxStalenessSeconds?: number;
+    /** Server mode in which the same query is dispatched in parallel to multiple replica set members. */
+    hedge?: HedgeOptions;
+}
+
+/** @public */
+export declare type ReduceFunction<TKey = ObjectId, TValue = any> = (key: TKey, values: TValue[]) => TValue;
+
+/** @public */
+export declare type RegExpOrString<T> = T extends string ? BSONRegExp | RegExp | T : T;
+
+/** @public */
+export declare type RemoveUserOptions = CommandOperationOptions;
+
+/** @public */
+export declare interface RenameOptions extends CommandOperationOptions {
+    /** Drop the target name collection if it previously exists. */
+    dropTarget?: boolean;
+    /** Unclear */
+    new_collection?: boolean;
+}
+
+/** @public */
+export declare interface ReplaceOneModel<TSchema extends Document = Document> {
+    /** The filter to limit the replaced document. */
+    filter: Filter<TSchema>;
+    /** The document with which to replace the matched document. */
+    replacement: WithoutId<TSchema>;
+    /** Specifies a collation. */
+    collation?: CollationOptions;
+    /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+    hint?: Hint;
+    /** When true, creates a new document if no document matches the query. */
+    upsert?: boolean;
+}
+
+/** @public */
+export declare interface ReplaceOptions extends CommandOperationOptions {
+    /** If true, allows the write to opt-out of document level validation */
+    bypassDocumentValidation?: boolean;
+    /** Specifies a collation */
+    collation?: CollationOptions;
+    /** Specify that the update query should only consider plans using the hinted index */
+    hint?: string | Document;
+    /** When true, creates a new document if no document matches the query */
+    upsert?: boolean;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+}
+
+/* Excluded from this release type: Response */
+
+/**
+ * @public
+ * @deprecated Please use the ChangeStreamCursorOptions type instead.
+ */
+export declare interface ResumeOptions {
+    startAtOperationTime?: Timestamp;
+    batchSize?: number;
+    maxAwaitTimeMS?: number;
+    collation?: CollationOptions;
+    readPreference?: ReadPreference;
+    resumeAfter?: ResumeToken;
+    startAfter?: ResumeToken;
+    fullDocument?: string;
+}
+
+/**
+ * Represents the logical starting point for a new ChangeStream or resuming a ChangeStream on the server.
+ * @see https://www.mongodb.com/docs/manual/changeStreams/#std-label-change-stream-resume
+ * @public
+ */
+export declare type ResumeToken = unknown;
+
+/** @public */
+export declare const ReturnDocument: Readonly<{
+    readonly BEFORE: "before";
+    readonly AFTER: "after";
+}>;
+
+/** @public */
+export declare type ReturnDocument = typeof ReturnDocument[keyof typeof ReturnDocument];
+
+/** @public */
+export declare interface RoleSpecification {
+    /**
+     * A role grants privileges to perform sets of actions on defined resources.
+     * A given role applies to the database on which it is defined and can grant access down to a collection level of granularity.
+     */
+    role: string;
+    /** The database this user's role should effect. */
+    db: string;
+}
+
+/** @public */
+export declare interface RootFilterOperators<TSchema> extends Document {
+    $and?: Filter<TSchema>[];
+    $nor?: Filter<TSchema>[];
+    $or?: Filter<TSchema>[];
+    $text?: {
+        $search: string;
+        $language?: string;
+        $caseSensitive?: boolean;
+        $diacriticSensitive?: boolean;
+    };
+    $where?: string | ((this: TSchema) => boolean);
+    $comment?: string | Document;
+}
+
+/* Excluded from this release type: RTTPinger */
+
+/* Excluded from this release type: RTTPingerOptions */
+
+/** @public */
+export declare type RunCommandOptions = CommandOperationOptions;
+
+/** @public */
+export declare type SchemaMember<T, V> = {
+    [P in keyof T]?: V;
+} | {
+    [key: string]: V;
+};
+
+/** @public */
+export declare interface SelectServerOptions {
+    readPreference?: ReadPreferenceLike;
+    /** How long to block for server selection before throwing an error */
+    serverSelectionTimeoutMS?: number;
+    session?: ClientSession;
+}
+
+/* Excluded from this release type: serialize */
+
+/* Excluded from this release type: Server */
+
+/** @public */
+export declare interface ServerApi {
+    version: ServerApiVersion;
+    strict?: boolean;
+    deprecationErrors?: boolean;
+}
+
+/** @public */
+export declare const ServerApiVersion: Readonly<{
+    readonly v1: "1";
+}>;
+
+/** @public */
+export declare type ServerApiVersion = typeof ServerApiVersion[keyof typeof ServerApiVersion];
+
+/** @public */
+export declare class ServerCapabilities {
+    maxWireVersion: number;
+    minWireVersion: number;
+    constructor(hello: Document);
+    get hasAggregationCursor(): boolean;
+    get hasWriteCommands(): boolean;
+    get hasTextSearch(): boolean;
+    get hasAuthCommands(): boolean;
+    get hasListCollectionsCommand(): boolean;
+    get hasListIndexesCommand(): boolean;
+    get supportsSnapshotReads(): boolean;
+    get commandsTakeWriteConcern(): boolean;
+    get commandsTakeCollation(): boolean;
+}
+
+/**
+ * Emitted when server is closed.
+ * @public
+ * @category Event
+ */
+export declare class ServerClosedEvent {
+    /** A unique identifier for the topology */
+    topologyId: number;
+    /** The address (host/port pair) of the server */
+    address: string;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * The client's view of a single server, based on the most recent hello outcome.
+ *
+ * Internal type, not meant to be directly instantiated
+ * @public
+ */
+export declare class ServerDescription {
+    address: string;
+    type: ServerType;
+    hosts: string[];
+    passives: string[];
+    arbiters: string[];
+    tags: TagSet;
+    error: MongoError | null;
+    topologyVersion: TopologyVersion | null;
+    minWireVersion: number;
+    maxWireVersion: number;
+    roundTripTime: number;
+    lastUpdateTime: number;
+    lastWriteDate: number;
+    me: string | null;
+    primary: string | null;
+    setName: string | null;
+    setVersion: number | null;
+    electionId: ObjectId | null;
+    logicalSessionTimeoutMinutes: number | null;
+    $clusterTime?: ClusterTime;
+    /* Excluded from this release type: __constructor */
+    get hostAddress(): HostAddress;
+    get allHosts(): string[];
+    /** Is this server available for reads*/
+    get isReadable(): boolean;
+    /** Is this server data bearing */
+    get isDataBearing(): boolean;
+    /** Is this server available for writes */
+    get isWritable(): boolean;
+    get host(): string;
+    get port(): number;
+    /**
+     * Determines if another `ServerDescription` is equal to this one per the rules defined
+     * in the {@link https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#serverdescription|SDAM spec}
+     */
+    equals(other?: ServerDescription | null): boolean;
+}
+
+/**
+ * Emitted when server description changes, but does NOT include changes to the RTT.
+ * @public
+ * @category Event
+ */
+export declare class ServerDescriptionChangedEvent {
+    /** A unique identifier for the topology */
+    topologyId: number;
+    /** The address (host/port pair) of the server */
+    address: string;
+    /** The previous server description */
+    previousDescription: ServerDescription;
+    /** The new server description */
+    newDescription: ServerDescription;
+    /* Excluded from this release type: __constructor */
+}
+
+/* Excluded from this release type: ServerDescriptionOptions */
+
+/** @public */
+export declare type ServerEvents = {
+    serverHeartbeatStarted(event: ServerHeartbeatStartedEvent): void;
+    serverHeartbeatSucceeded(event: ServerHeartbeatSucceededEvent): void;
+    serverHeartbeatFailed(event: ServerHeartbeatFailedEvent): void;
+    /* Excluded from this release type: connect */
+    descriptionReceived(description: ServerDescription): void;
+    closed(): void;
+    ended(): void;
+} & ConnectionPoolEvents & EventEmitterWithState;
+
+/**
+ * Emitted when the server monitor’s hello fails, either with an “ok: 0” or a socket exception.
+ * @public
+ * @category Event
+ */
+export declare class ServerHeartbeatFailedEvent {
+    /** The connection id for the command */
+    connectionId: string;
+    /** The execution time of the event in ms */
+    duration: number;
+    /** The command failure */
+    failure: Error;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * Emitted when the server monitor’s hello command is started - immediately before
+ * the hello command is serialized into raw BSON and written to the socket.
+ *
+ * @public
+ * @category Event
+ */
+export declare class ServerHeartbeatStartedEvent {
+    /** The connection id for the command */
+    connectionId: string;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * Emitted when the server monitor’s hello succeeds.
+ * @public
+ * @category Event
+ */
+export declare class ServerHeartbeatSucceededEvent {
+    /** The connection id for the command */
+    connectionId: string;
+    /** The execution time of the event in ms */
+    duration: number;
+    /** The command reply */
+    reply: Document;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * Emitted when server is initialized.
+ * @public
+ * @category Event
+ */
+export declare class ServerOpeningEvent {
+    /** A unique identifier for the topology */
+    topologyId: number;
+    /** The address (host/port pair) of the server */
+    address: string;
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare type ServerOptions = Omit<ConnectionPoolOptions, 'id' | 'generation' | 'hostAddress'> & MonitorOptions;
+
+/* Excluded from this release type: ServerPrivate */
+
+/* Excluded from this release type: ServerSelectionCallback */
+
+/* Excluded from this release type: ServerSelectionRequest */
+
+/** @public */
+export declare type ServerSelector = (topologyDescription: TopologyDescription, servers: ServerDescription[]) => ServerDescription[];
+
+/**
+ * Reflects the existence of a session on the server. Can be reused by the session pool.
+ * WARNING: not meant to be instantiated directly. For internal use only.
+ * @public
+ */
+export declare class ServerSession {
+    id: ServerSessionId;
+    lastUse: number;
+    txnNumber: number;
+    isDirty: boolean;
+    /* Excluded from this release type: __constructor */
+    /**
+     * Determines if the server session has timed out.
+     *
+     * @param sessionTimeoutMinutes - The server's "logicalSessionTimeoutMinutes"
+     */
+    hasTimedOut(sessionTimeoutMinutes: number): boolean;
+    /* Excluded from this release type: clone */
+}
+
+/** @public */
+export declare type ServerSessionId = {
+    id: Binary;
+};
+
+/* Excluded from this release type: ServerSessionPool */
+
+/**
+ * An enumeration of server types we know about
+ * @public
+ */
+export declare const ServerType: Readonly<{
+    readonly Standalone: "Standalone";
+    readonly Mongos: "Mongos";
+    readonly PossiblePrimary: "PossiblePrimary";
+    readonly RSPrimary: "RSPrimary";
+    readonly RSSecondary: "RSSecondary";
+    readonly RSArbiter: "RSArbiter";
+    readonly RSOther: "RSOther";
+    readonly RSGhost: "RSGhost";
+    readonly Unknown: "Unknown";
+    readonly LoadBalancer: "LoadBalancer";
+}>;
+
+/** @public */
+export declare type ServerType = typeof ServerType[keyof typeof ServerType];
+
+/** @public */
+export declare type SetFields<TSchema> = ({
+    readonly [key in KeysOfAType<TSchema, ReadonlyArray<any> | undefined>]?: OptionalId<Flatten<TSchema[key]>> | AddToSetOperators<Array<OptionalId<Flatten<TSchema[key]>>>>;
+} & NotAcceptedFields<TSchema, ReadonlyArray<any> | undefined>) & {
+    readonly [key: string]: AddToSetOperators<any> | any;
+};
+
+/** @public */
+export declare type SetProfilingLevelOptions = CommandOperationOptions;
+
+/** @public */
+export declare type Sort = string | Exclude<SortDirection, {
+    $meta: string;
+}> | string[] | {
+    [key: string]: SortDirection;
+} | Map<string, SortDirection> | [string, SortDirection][] | [string, SortDirection];
+
+/** @public */
+export declare type SortDirection = 1 | -1 | 'asc' | 'desc' | 'ascending' | 'descending' | {
+    $meta: string;
+};
+
+/* Excluded from this release type: SortDirectionForCmd */
+
+/* Excluded from this release type: SortForCmd */
+
+/* Excluded from this release type: SrvPoller */
+
+/* Excluded from this release type: SrvPollerEvents */
+
+/* Excluded from this release type: SrvPollerOptions */
+
+/* Excluded from this release type: SrvPollingEvent */
+
+/** @public */
+export declare type Stream = Socket | TLSSocket;
+
+/** @public */
+export declare class StreamDescription {
+    address: string;
+    type: string;
+    minWireVersion?: number;
+    maxWireVersion?: number;
+    maxBsonObjectSize: number;
+    maxMessageSizeBytes: number;
+    maxWriteBatchSize: number;
+    compressors: CompressorName[];
+    compressor?: CompressorName;
+    logicalSessionTimeoutMinutes?: number;
+    loadBalanced: boolean;
+    __nodejs_mock_server__?: boolean;
+    zlibCompressionLevel?: number;
+    constructor(address: string, options?: StreamDescriptionOptions);
+    receiveResponse(response: Document | null): void;
+}
+
+/** @public */
+export declare interface StreamDescriptionOptions {
+    compressors?: CompressorName[];
+    logicalSessionTimeoutMinutes?: number;
+    loadBalanced: boolean;
+}
+
+/** @public */
+export declare type SupportedNodeConnectionOptions = SupportedTLSConnectionOptions & SupportedTLSSocketOptions & SupportedSocketOptions;
+
+/** @public */
+export declare type SupportedSocketOptions = Pick<TcpNetConnectOpts, typeof LEGAL_TCP_SOCKET_OPTIONS[number]>;
+
+/** @public */
+export declare type SupportedTLSConnectionOptions = Pick<ConnectionOptions_2, Extract<keyof ConnectionOptions_2, typeof LEGAL_TLS_SOCKET_OPTIONS[number]>>;
+
+/** @public */
+export declare type SupportedTLSSocketOptions = Pick<TLSSocketOptions, Extract<keyof TLSSocketOptions, typeof LEGAL_TLS_SOCKET_OPTIONS[number]>>;
+
+/** @public */
+export declare type TagSet = {
+    [key: string]: string;
+};
+
+/* Excluded from this release type: TimerQueue */
+
+/** @public
+ * Configuration options for timeseries collections
+ * @see https://docs.mongodb.com/manual/core/timeseries-collections/
+ */
+export declare interface TimeSeriesCollectionOptions extends Document {
+    timeField: string;
+    metaField?: string;
+    granularity?: 'seconds' | 'minutes' | 'hours' | string;
+}
+
+export { Timestamp }
+
+/* Excluded from this release type: Topology */
+
+/**
+ * Emitted when topology is closed.
+ * @public
+ * @category Event
+ */
+export declare class TopologyClosedEvent {
+    /** A unique identifier for the topology */
+    topologyId: number;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * Representation of a deployment of servers
+ * @public
+ */
+export declare class TopologyDescription {
+    type: TopologyType;
+    setName: string | null;
+    maxSetVersion: number | null;
+    maxElectionId: ObjectId | null;
+    servers: Map<string, ServerDescription>;
+    stale: boolean;
+    compatible: boolean;
+    compatibilityError?: string;
+    logicalSessionTimeoutMinutes: number | null;
+    heartbeatFrequencyMS: number;
+    localThresholdMS: number;
+    commonWireVersion: number;
+    /**
+     * Create a TopologyDescription
+     */
+    constructor(topologyType: TopologyType, serverDescriptions?: Map<string, ServerDescription> | null, setName?: string | null, maxSetVersion?: number | null, maxElectionId?: ObjectId | null, commonWireVersion?: number | null, options?: TopologyDescriptionOptions | null);
+    /* Excluded from this release type: updateFromSrvPollingEvent */
+    /* Excluded from this release type: update */
+    get error(): MongoServerError | null;
+    /**
+     * Determines if the topology description has any known servers
+     */
+    get hasKnownServers(): boolean;
+    /**
+     * Determines if this topology description has a data-bearing server available.
+     */
+    get hasDataBearingServers(): boolean;
+    /* Excluded from this release type: hasServer */
+}
+
+/**
+ * Emitted when topology description changes.
+ * @public
+ * @category Event
+ */
+export declare class TopologyDescriptionChangedEvent {
+    /** A unique identifier for the topology */
+    topologyId: number;
+    /** The old topology description */
+    previousDescription: TopologyDescription;
+    /** The new topology description */
+    newDescription: TopologyDescription;
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare interface TopologyDescriptionOptions {
+    heartbeatFrequencyMS?: number;
+    localThresholdMS?: number;
+}
+
+/** @public */
+export declare type TopologyEvents = {
+    /* Excluded from this release type: connect */
+    serverOpening(event: ServerOpeningEvent): void;
+    serverClosed(event: ServerClosedEvent): void;
+    serverDescriptionChanged(event: ServerDescriptionChangedEvent): void;
+    topologyClosed(event: TopologyClosedEvent): void;
+    topologyOpening(event: TopologyOpeningEvent): void;
+    topologyDescriptionChanged(event: TopologyDescriptionChangedEvent): void;
+    error(error: Error): void;
+    /* Excluded from this release type: open */
+    close(): void;
+    timeout(): void;
+} & Omit<ServerEvents, 'connect'> & ConnectionPoolEvents & ConnectionEvents & EventEmitterWithState;
+
+/**
+ * Emitted when topology is initialized.
+ * @public
+ * @category Event
+ */
+export declare class TopologyOpeningEvent {
+    /** A unique identifier for the topology */
+    topologyId: number;
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare interface TopologyOptions extends BSONSerializeOptions, ServerOptions {
+    srvMaxHosts: number;
+    srvServiceName: string;
+    hosts: HostAddress[];
+    retryWrites: boolean;
+    retryReads: boolean;
+    /** How long to block for server selection before throwing an error */
+    serverSelectionTimeoutMS: number;
+    /** The name of the replica set to connect to */
+    replicaSet?: string;
+    srvHost?: string;
+    /* Excluded from this release type: srvPoller */
+    /** Indicates that a client should directly connect to a node without attempting to discover its topology type */
+    directConnection: boolean;
+    loadBalanced: boolean;
+    metadata: ClientMetadata;
+    /** MongoDB server API version */
+    serverApi?: ServerApi;
+    /* Excluded from this release type: __index */
+}
+
+/* Excluded from this release type: TopologyPrivate */
+
+/**
+ * An enumeration of topology types we know about
+ * @public
+ */
+export declare const TopologyType: Readonly<{
+    readonly Single: "Single";
+    readonly ReplicaSetNoPrimary: "ReplicaSetNoPrimary";
+    readonly ReplicaSetWithPrimary: "ReplicaSetWithPrimary";
+    readonly Sharded: "Sharded";
+    readonly Unknown: "Unknown";
+    readonly LoadBalanced: "LoadBalanced";
+}>;
+
+/** @public */
+export declare type TopologyType = typeof TopologyType[keyof typeof TopologyType];
+
+/** @public */
+export declare interface TopologyVersion {
+    processId: ObjectId;
+    counter: Long;
+}
+
+/**
+ * @public
+ * A class maintaining state related to a server transaction. Internal Only
+ */
+export declare class Transaction {
+    /* Excluded from this release type: state */
+    options: TransactionOptions;
+    /* Excluded from this release type: _pinnedServer */
+    /* Excluded from this release type: _recoveryToken */
+    /* Excluded from this release type: __constructor */
+    /* Excluded from this release type: server */
+    get recoveryToken(): Document | undefined;
+    get isPinned(): boolean;
+    /** @returns Whether the transaction has started */
+    get isStarting(): boolean;
+    /**
+     * @returns Whether this session is presently in a transaction
+     */
+    get isActive(): boolean;
+    get isCommitted(): boolean;
+    /* Excluded from this release type: transition */
+    /* Excluded from this release type: pinServer */
+    /* Excluded from this release type: unpinServer */
+}
+
+/**
+ * Configuration options for a transaction.
+ * @public
+ */
+export declare interface TransactionOptions extends CommandOperationOptions {
+    /** A default read concern for commands in this transaction */
+    readConcern?: ReadConcernLike;
+    /** A default writeConcern for commands in this transaction */
+    writeConcern?: WriteConcern;
+    /** A default read preference for commands in this transaction */
+    readPreference?: ReadPreference;
+    /** Specifies the maximum amount of time to allow a commit action on a transaction to run in milliseconds */
+    maxCommitTimeMS?: number;
+}
+
+/* Excluded from this release type: TxnState */
+
+/**
+ * Typescript type safe event emitter
+ * @public
+ */
+export declare interface TypedEventEmitter<Events extends EventsDescription> extends EventEmitter {
+    addListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    addListener(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    addListener(event: string | symbol, listener: GenericListener): this;
+    on<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    on(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    on(event: string | symbol, listener: GenericListener): this;
+    once<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    once(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    once(event: string | symbol, listener: GenericListener): this;
+    removeListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    removeListener(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    removeListener(event: string | symbol, listener: GenericListener): this;
+    off<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    off(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    off(event: string | symbol, listener: GenericListener): this;
+    removeAllListeners<EventKey extends keyof Events>(event?: EventKey | CommonEvents | symbol | string): this;
+    listeners<EventKey extends keyof Events>(event: EventKey | CommonEvents | symbol | string): Events[EventKey][];
+    rawListeners<EventKey extends keyof Events>(event: EventKey | CommonEvents | symbol | string): Events[EventKey][];
+    emit<EventKey extends keyof Events>(event: EventKey | symbol, ...args: Parameters<Events[EventKey]>): boolean;
+    listenerCount<EventKey extends keyof Events>(type: EventKey | CommonEvents | symbol | string): number;
+    prependListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    prependListener(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    prependListener(event: string | symbol, listener: GenericListener): this;
+    prependOnceListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    prependOnceListener(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    prependOnceListener(event: string | symbol, listener: GenericListener): this;
+    eventNames(): string[];
+    getMaxListeners(): number;
+    setMaxListeners(n: number): this;
+}
+
+/**
+ * Typescript type safe event emitter
+ * @public
+ */
+export declare class TypedEventEmitter<Events extends EventsDescription> extends EventEmitter {
+}
+
+/** @public */
+export declare class UnorderedBulkOperation extends BulkOperationBase {
+    /* Excluded from this release type: __constructor */
+    handleWriteError(callback: Callback, writeResult: BulkWriteResult): boolean;
+    addToOperationsList(batchType: BatchType, document: Document | UpdateStatement | DeleteStatement): this;
+}
+
+/** @public */
+export declare interface UpdateDescription<TSchema extends Document = Document> {
+    /**
+     * A document containing key:value pairs of names of the fields that were
+     * changed, and the new value for those fields.
+     */
+    updatedFields?: Partial<TSchema>;
+    /**
+     * An array of field names that were removed from the document.
+     */
+    removedFields?: string[];
+    /**
+     * An array of documents which record array truncations performed with pipeline-based updates using one or more of the following stages:
+     * - $addFields
+     * - $set
+     * - $replaceRoot
+     * - $replaceWith
+     */
+    truncatedArrays?: Array<{
+        /** The name of the truncated field. */
+        field: string;
+        /** The number of elements in the truncated array. */
+        newSize: number;
+    }>;
+    /**
+     * A document containing additional information about any ambiguous update paths from the update event.  The document
+     * maps the full ambiguous update path to an array containing the actual resolved components of the path.  For example,
+     * given a document shaped like `{ a: { '0': 0 } }`, and an update of `{ $inc: 'a.0' }`, disambiguated paths would look like
+     * the following:
+     *
+     * ```
+     *   {
+     *     'a.0': ['a', '0']
+     *   }
+     * ```
+     *
+     * This field is only present when there are ambiguous paths that are updated as a part of the update event and `showExpandedEvents`
+     * is enabled for the change stream.
+     * @sinceServerVersion 6.1.0
+     * @experimental
+     */
+    disambiguatedPaths?: Document;
+}
+
+/** @public */
+export declare type UpdateFilter<TSchema> = {
+    $currentDate?: OnlyFieldsOfType<TSchema, Date | Timestamp, true | {
+        $type: 'date' | 'timestamp';
+    }>;
+    $inc?: OnlyFieldsOfType<TSchema, NumericType | undefined>;
+    $min?: MatchKeysAndValues<TSchema>;
+    $max?: MatchKeysAndValues<TSchema>;
+    $mul?: OnlyFieldsOfType<TSchema, NumericType | undefined>;
+    $rename?: Record<string, string>;
+    $set?: MatchKeysAndValues<TSchema>;
+    $setOnInsert?: MatchKeysAndValues<TSchema>;
+    $unset?: OnlyFieldsOfType<TSchema, any, '' | true | 1>;
+    $addToSet?: SetFields<TSchema>;
+    $pop?: OnlyFieldsOfType<TSchema, ReadonlyArray<any>, 1 | -1>;
+    $pull?: PullOperator<TSchema>;
+    $push?: PushOperator<TSchema>;
+    $pullAll?: PullAllOperator<TSchema>;
+    $bit?: OnlyFieldsOfType<TSchema, NumericType | undefined, {
+        and: IntegerType;
+    } | {
+        or: IntegerType;
+    } | {
+        xor: IntegerType;
+    }>;
+} & Document;
+
+/** @public */
+export declare interface UpdateManyModel<TSchema extends Document = Document> {
+    /** The filter to limit the updated documents. */
+    filter: Filter<TSchema>;
+    /** A document or pipeline containing update operators. */
+    update: UpdateFilter<TSchema> | UpdateFilter<TSchema>[];
+    /** A set of filters specifying to which array elements an update should apply. */
+    arrayFilters?: Document[];
+    /** Specifies a collation. */
+    collation?: CollationOptions;
+    /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+    hint?: Hint;
+    /** When true, creates a new document if no document matches the query. */
+    upsert?: boolean;
+}
+
+/** @public */
+export declare interface UpdateOneModel<TSchema extends Document = Document> {
+    /** The filter to limit the updated documents. */
+    filter: Filter<TSchema>;
+    /** A document or pipeline containing update operators. */
+    update: UpdateFilter<TSchema> | UpdateFilter<TSchema>[];
+    /** A set of filters specifying to which array elements an update should apply. */
+    arrayFilters?: Document[];
+    /** Specifies a collation. */
+    collation?: CollationOptions;
+    /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+    hint?: Hint;
+    /** When true, creates a new document if no document matches the query. */
+    upsert?: boolean;
+}
+
+/** @public */
+export declare interface UpdateOptions extends CommandOperationOptions {
+    /** A set of filters specifying to which array elements an update should apply */
+    arrayFilters?: Document[];
+    /** If true, allows the write to opt-out of document level validation */
+    bypassDocumentValidation?: boolean;
+    /** Specifies a collation */
+    collation?: CollationOptions;
+    /** Specify that the update query should only consider plans using the hinted index */
+    hint?: Hint;
+    /** When true, creates a new document if no document matches the query */
+    upsert?: boolean;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+}
+
+/** @public */
+export declare interface UpdateResult {
+    /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+    acknowledged: boolean;
+    /** The number of documents that matched the filter */
+    matchedCount: number;
+    /** The number of documents that were modified */
+    modifiedCount: number;
+    /** The number of documents that were upserted */
+    upsertedCount: number;
+    /** The identifier of the inserted document if an upsert took place */
+    upsertedId: ObjectId;
+}
+
+/** @public */
+export declare interface UpdateStatement {
+    /** The query that matches documents to update. */
+    q: Document;
+    /** The modifications to apply. */
+    u: Document | Document[];
+    /**  If true, perform an insert if no documents match the query. */
+    upsert?: boolean;
+    /** If true, updates all documents that meet the query criteria. */
+    multi?: boolean;
+    /** Specifies the collation to use for the operation. */
+    collation?: CollationOptions;
+    /** An array of filter documents that determines which array elements to modify for an update operation on an array field. */
+    arrayFilters?: Document[];
+    /** A document or string that specifies the index to use to support the query predicate. */
+    hint?: Hint;
+}
+
+/** @public */
+export declare interface ValidateCollectionOptions extends CommandOperationOptions {
+    /** Validates a collection in the background, without interrupting read or write traffic (only in MongoDB 4.4+) */
+    background?: boolean;
+}
+
+/** @public */
+export declare type W = number | 'majority';
+
+/* Excluded from this release type: WaitQueueMember */
+
+/** @public */
+export declare interface WiredTigerData extends Document {
+    LSM: {
+        'bloom filter false positives': number;
+        'bloom filter hits': number;
+        'bloom filter misses': number;
+        'bloom filter pages evicted from cache': number;
+        'bloom filter pages read into cache': number;
+        'bloom filters in the LSM tree': number;
+        'chunks in the LSM tree': number;
+        'highest merge generation in the LSM tree': number;
+        'queries that could have benefited from a Bloom filter that did not exist': number;
+        'sleep for LSM checkpoint throttle': number;
+        'sleep for LSM merge throttle': number;
+        'total size of bloom filters': number;
+    } & Document;
+    'block-manager': {
+        'allocations requiring file extension': number;
+        'blocks allocated': number;
+        'blocks freed': number;
+        'checkpoint size': number;
+        'file allocation unit size': number;
+        'file bytes available for reuse': number;
+        'file magic number': number;
+        'file major version number': number;
+        'file size in bytes': number;
+        'minor version number': number;
+    };
+    btree: {
+        'btree checkpoint generation': number;
+        'column-store fixed-size leaf pages': number;
+        'column-store internal pages': number;
+        'column-store variable-size RLE encoded values': number;
+        'column-store variable-size deleted values': number;
+        'column-store variable-size leaf pages': number;
+        'fixed-record size': number;
+        'maximum internal page key size': number;
+        'maximum internal page size': number;
+        'maximum leaf page key size': number;
+        'maximum leaf page size': number;
+        'maximum leaf page value size': number;
+        'maximum tree depth': number;
+        'number of key/value pairs': number;
+        'overflow pages': number;
+        'pages rewritten by compaction': number;
+        'row-store internal pages': number;
+        'row-store leaf pages': number;
+    } & Document;
+    cache: {
+        'bytes currently in the cache': number;
+        'bytes read into cache': number;
+        'bytes written from cache': number;
+        'checkpoint blocked page eviction': number;
+        'data source pages selected for eviction unable to be evicted': number;
+        'hazard pointer blocked page eviction': number;
+        'in-memory page passed criteria to be split': number;
+        'in-memory page splits': number;
+        'internal pages evicted': number;
+        'internal pages split during eviction': number;
+        'leaf pages split during eviction': number;
+        'modified pages evicted': number;
+        'overflow pages read into cache': number;
+        'overflow values cached in memory': number;
+        'page split during eviction deepened the tree': number;
+        'page written requiring lookaside records': number;
+        'pages read into cache': number;
+        'pages read into cache requiring lookaside entries': number;
+        'pages requested from the cache': number;
+        'pages written from cache': number;
+        'pages written requiring in-memory restoration': number;
+        'tracked dirty bytes in the cache': number;
+        'unmodified pages evicted': number;
+    } & Document;
+    cache_walk: {
+        'Average difference between current eviction generation when the page was last considered': number;
+        'Average on-disk page image size seen': number;
+        'Clean pages currently in cache': number;
+        'Current eviction generation': number;
+        'Dirty pages currently in cache': number;
+        'Entries in the root page': number;
+        'Internal pages currently in cache': number;
+        'Leaf pages currently in cache': number;
+        'Maximum difference between current eviction generation when the page was last considered': number;
+        'Maximum page size seen': number;
+        'Minimum on-disk page image size seen': number;
+        'On-disk page image sizes smaller than a single allocation unit': number;
+        'Pages created in memory and never written': number;
+        'Pages currently queued for eviction': number;
+        'Pages that could not be queued for eviction': number;
+        'Refs skipped during cache traversal': number;
+        'Size of the root page': number;
+        'Total number of pages currently in cache': number;
+    } & Document;
+    compression: {
+        'compressed pages read': number;
+        'compressed pages written': number;
+        'page written failed to compress': number;
+        'page written was too small to compress': number;
+        'raw compression call failed, additional data available': number;
+        'raw compression call failed, no additional data available': number;
+        'raw compression call succeeded': number;
+    } & Document;
+    cursor: {
+        'bulk-loaded cursor-insert calls': number;
+        'create calls': number;
+        'cursor-insert key and value bytes inserted': number;
+        'cursor-remove key bytes removed': number;
+        'cursor-update value bytes updated': number;
+        'insert calls': number;
+        'next calls': number;
+        'prev calls': number;
+        'remove calls': number;
+        'reset calls': number;
+        'restarted searches': number;
+        'search calls': number;
+        'search near calls': number;
+        'truncate calls': number;
+        'update calls': number;
+    };
+    reconciliation: {
+        'dictionary matches': number;
+        'fast-path pages deleted': number;
+        'internal page key bytes discarded using suffix compression': number;
+        'internal page multi-block writes': number;
+        'internal-page overflow keys': number;
+        'leaf page key bytes discarded using prefix compression': number;
+        'leaf page multi-block writes': number;
+        'leaf-page overflow keys': number;
+        'maximum blocks required for a page': number;
+        'overflow values written': number;
+        'page checksum matches': number;
+        'page reconciliation calls': number;
+        'page reconciliation calls for eviction': number;
+        'pages deleted': number;
+    } & Document;
+}
+
+/* Excluded from this release type: WithConnectionCallback */
+
+/** Add an _id field to an object shaped type @public */
+export declare type WithId<TSchema> = EnhancedOmit<TSchema, '_id'> & {
+    _id: InferIdType<TSchema>;
+};
+
+/** Remove the _id field from an object shaped type @public */
+export declare type WithoutId<TSchema> = Omit<TSchema, '_id'>;
+
+/** @public */
+export declare type WithSessionCallback = (session: ClientSession) => Promise<any>;
+
+/** @public */
+export declare type WithTransactionCallback<T = void> = (session: ClientSession) => Promise<T>;
+
+/**
+ * A MongoDB WriteConcern, which describes the level of acknowledgement
+ * requested from MongoDB for write operations.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/reference/write-concern/
+ */
+export declare class WriteConcern {
+    /** request acknowledgment that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags. */
+    w?: W;
+    /** specify a time limit to prevent write operations from blocking indefinitely */
+    wtimeout?: number;
+    /** request acknowledgment that the write operation has been written to the on-disk journal */
+    j?: boolean;
+    /** equivalent to the j option */
+    fsync?: boolean | 1;
+    /**
+     * Constructs a WriteConcern from the write concern properties.
+     * @param w - request acknowledgment that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags.
+     * @param wtimeout - specify a time limit to prevent write operations from blocking indefinitely
+     * @param j - request acknowledgment that the write operation has been written to the on-disk journal
+     * @param fsync - equivalent to the j option
+     */
+    constructor(w?: W, wtimeout?: number, j?: boolean, fsync?: boolean | 1);
+    /** Construct a WriteConcern given an options object. */
+    static fromOptions(options?: WriteConcernOptions | WriteConcern | W, inherit?: WriteConcernOptions | WriteConcern): WriteConcern | undefined;
+}
+
+/**
+ * An error representing a failure by the server to apply the requested write concern to the bulk operation.
+ * @public
+ * @category Error
+ */
+export declare class WriteConcernError {
+    /* Excluded from this release type: [kServerError] */
+    constructor(error: WriteConcernErrorData);
+    /** Write concern error code. */
+    get code(): number | undefined;
+    /** Write concern error message. */
+    get errmsg(): string | undefined;
+    /** Write concern error info. */
+    get errInfo(): Document | undefined;
+    /** @deprecated The `err` prop that contained a MongoServerError has been deprecated. */
+    get err(): WriteConcernErrorData;
+    toJSON(): WriteConcernErrorData;
+    toString(): string;
+}
+
+/** @public */
+export declare interface WriteConcernErrorData {
+    code: number;
+    errmsg: string;
+    errInfo?: Document;
+}
+
+/** @public */
+export declare interface WriteConcernOptions {
+    /** Write Concern as an object */
+    writeConcern?: WriteConcern | WriteConcernSettings;
+}
+
+/** @public */
+export declare interface WriteConcernSettings {
+    /** The write concern */
+    w?: W;
+    /** The write concern timeout */
+    wtimeoutMS?: number;
+    /** The journal write concern */
+    journal?: boolean;
+    /** The journal write concern */
+    j?: boolean;
+    /** The write concern timeout */
+    wtimeout?: number;
+    /** The file sync write concern */
+    fsync?: boolean | 1;
+}
+
+/**
+ * An error that occurred during a BulkWrite on the server.
+ * @public
+ * @category Error
+ */
+export declare class WriteError {
+    err: BulkWriteOperationError;
+    constructor(err: BulkWriteOperationError);
+    /** WriteError code. */
+    get code(): number;
+    /** WriteError original bulk operation index. */
+    get index(): number;
+    /** WriteError message. */
+    get errmsg(): string | undefined;
+    /** WriteError details. */
+    get errInfo(): Document | undefined;
+    /** Returns the underlying operation that caused the error */
+    getOperation(): Document;
+    toJSON(): {
+        code: number;
+        index: number;
+        errmsg?: string;
+        op: Document;
+    };
+    toString(): string;
+}
+
+/* Excluded from this release type: WriteProtocolMessageType */
+
+export { }
diff --git a/node_modules/mongodb/package.json b/node_modules/mongodb/package.json
new file mode 100644
index 000000000..99d6c746b
--- /dev/null
+++ b/node_modules/mongodb/package.json
@@ -0,0 +1,138 @@
+{
+  "name": "mongodb",
+  "version": "4.10.0",
+  "description": "The official MongoDB driver for Node.js",
+  "main": "lib/index.js",
+  "files": [
+    "lib",
+    "src",
+    "etc/prepare.js",
+    "mongodb.d.ts",
+    "tsconfig.json"
+  ],
+  "types": "mongodb.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:mongodb/node-mongodb-native.git"
+  },
+  "keywords": [
+    "mongodb",
+    "driver",
+    "official"
+  ],
+  "author": {
+    "name": "The MongoDB NodeJS Team",
+    "email": "dbx-node@mongodb.com"
+  },
+  "dependencies": {
+    "bson": "^4.7.0",
+    "denque": "^2.1.0",
+    "mongodb-connection-string-url": "^2.5.3",
+    "socks": "^2.7.0"
+  },
+  "devDependencies": {
+    "@iarna/toml": "^2.2.5",
+    "@istanbuljs/nyc-config-typescript": "^1.0.2",
+    "@microsoft/api-extractor": "^7.29.5",
+    "@microsoft/tsdoc-config": "^0.16.1",
+    "@mongodb-js/zstd": "^1.0.0",
+    "@types/chai": "^4.3.3",
+    "@types/chai-subset": "^1.3.3",
+    "@types/express": "^4.17.13",
+    "@types/kerberos": "^1.1.1",
+    "@types/mocha": "^9.1.1",
+    "@types/node": "^18.7.13",
+    "@types/saslprep": "^1.0.1",
+    "@types/semver": "^7.3.12",
+    "@types/sinon": "^10.0.11",
+    "@types/sinon-chai": "^3.2.8",
+    "@types/whatwg-url": "^8.2.2",
+    "@typescript-eslint/eslint-plugin": "^5.35.1",
+    "@typescript-eslint/parser": "^5.35.1",
+    "bluebird": "^3.7.2",
+    "chai": "^4.3.6",
+    "chai-subset": "^1.6.0",
+    "chalk": "^4.1.2",
+    "eslint": "^8.22.0",
+    "eslint-config-prettier": "^8.5.0",
+    "eslint-plugin-import": "^2.26.0",
+    "eslint-plugin-prettier": "^4.2.1",
+    "eslint-plugin-simple-import-sort": "^7.0.0",
+    "eslint-plugin-tsdoc": "^0.2.16",
+    "express": "^4.18.1",
+    "js-yaml": "^4.1.0",
+    "mocha": "^9.2.2",
+    "mocha-sinon": "^2.1.2",
+    "nyc": "^15.1.0",
+    "prettier": "^2.7.1",
+    "rimraf": "^3.0.2",
+    "semver": "^7.3.7",
+    "sinon": "^13.0.1",
+    "sinon-chai": "^3.7.0",
+    "source-map-support": "^0.5.21",
+    "standard-version": "^9.5.0",
+    "ts-node": "^10.9.1",
+    "tsd": "^0.22.0",
+    "typescript": "^4.8.2",
+    "typescript-cached-transpile": "^0.0.6",
+    "xml2js": "^0.4.23",
+    "yargs": "^17.5.1"
+  },
+  "license": "Apache-2.0",
+  "engines": {
+    "node": ">=12.9.0"
+  },
+  "bugs": {
+    "url": "https://jira.mongodb.org/projects/NODE/issues/"
+  },
+  "homepage": "https://github.com/mongodb/node-mongodb-native",
+  "optionalDependencies": {
+    "saslprep": "^1.0.3"
+  },
+  "scripts": {
+    "build:evergreen": "node .evergreen/generate_evergreen_tasks.js",
+    "build:ts": "node ./node_modules/typescript/bin/tsc",
+    "build:dts": "npm run build:ts && api-extractor run && rimraf 'lib/**/*.d.ts*'",
+    "build:docs": "./etc/docs/build.ts",
+    "build:typedoc": "typedoc",
+    "check:bench": "node test/benchmarks/driverBench",
+    "check:coverage": "nyc npm run test:all",
+    "check:integration-coverage": "nyc npm run check:test",
+    "check:lambda": "mocha --config test/mocha_lambda.json test/integration/node-specific/examples/handler.test.js",
+    "check:lambda:aws": "mocha --config test/mocha_lambda.json test/integration/node-specific/examples/aws_handler.test.js",
+    "check:lint": "npm run build:dts && npm run check:dts && npm run check:eslint && npm run check:tsd",
+    "check:eslint": "eslint -v && eslint --max-warnings=0 --ext '.js,.ts' src test",
+    "check:tsd": "tsd --version && tsd",
+    "check:dependencies": "mocha test/action/dependency.test.ts",
+    "check:dts": "node ./node_modules/typescript/bin/tsc --noEmit mongodb.d.ts && tsd",
+    "check:test": "mocha --config test/mocha_mongodb.json test/integration",
+    "check:unit": "mocha test/unit",
+    "check:ts": "node ./node_modules/typescript/bin/tsc -v && node ./node_modules/typescript/bin/tsc --noEmit",
+    "check:atlas": "mocha --config test/manual/mocharc.json test/manual/atlas_connectivity.test.js",
+    "check:adl": "mocha --config test/mocha_mongodb.json test/manual/atlas-data-lake-testing",
+    "check:aws": "mocha --config test/mocha_mongodb.json test/integration/auth/mongodb_aws.test.ts",
+    "check:ocsp": "mocha --config test/manual/mocharc.json test/manual/ocsp_support.test.js",
+    "check:kerberos": "mocha --config test/manual/mocharc.json test/manual/kerberos.test.js",
+    "check:tls": "mocha --config test/manual/mocharc.json test/manual/tls_support.test.js",
+    "check:ldap": "mocha --config test/manual/mocharc.json test/manual/ldap.test.js",
+    "check:socks5": "mocha --config test/manual/mocharc.json test/manual/socks5.test.ts",
+    "check:csfle": "mocha --config test/mocha_mongodb.json test/integration/client-side-encryption",
+    "check:snappy": "mocha test/unit/assorted/snappy.test.js",
+    "fix:eslint": "npm run check:eslint -- --fix",
+    "prepare": "node etc/prepare.js",
+    "preview:docs": "ts-node etc/docs/preview.ts",
+    "release": "standard-version -a -i HISTORY.md",
+    "test": "npm run check:lint && npm run test:all",
+    "test:all": "npm run check:unit && npm run check:test",
+    "update:docs": "npm run build:docs -- --yes"
+  },
+  "tsd": {
+    "directory": "test/types",
+    "compilerOptions": {
+      "strict": true,
+      "target": "esnext",
+      "module": "commonjs",
+      "moduleResolution": "node"
+    }
+  }
+}
diff --git a/node_modules/mongodb/src/admin.ts b/node_modules/mongodb/src/admin.ts
new file mode 100644
index 000000000..38e973713
--- /dev/null
+++ b/node_modules/mongodb/src/admin.ts
@@ -0,0 +1,325 @@
+import type { Document } from './bson';
+import type { Db } from './db';
+import { AddUserOperation, AddUserOptions } from './operations/add_user';
+import type { CommandOperationOptions } from './operations/command';
+import { executeOperation } from './operations/execute_operation';
+import {
+  ListDatabasesOperation,
+  ListDatabasesOptions,
+  ListDatabasesResult
+} from './operations/list_databases';
+import { RemoveUserOperation, RemoveUserOptions } from './operations/remove_user';
+import { RunCommandOperation, RunCommandOptions } from './operations/run_command';
+import {
+  ValidateCollectionOperation,
+  ValidateCollectionOptions
+} from './operations/validate_collection';
+import type { Callback } from './utils';
+
+/** @internal */
+export interface AdminPrivate {
+  db: Db;
+}
+
+/**
+ * The **Admin** class is an internal class that allows convenient access to
+ * the admin functionality and commands for MongoDB.
+ *
+ * **ADMIN Cannot directly be instantiated**
+ * @public
+ *
+ * @example
+ * ```ts
+ * import { MongoClient } from 'mongodb';
+ *
+ * const client = new MongoClient('mongodb://localhost:27017');
+ * const admin = client.db().admin();
+ * const dbInfo = await admin.listDatabases();
+ * for (const db of dbInfo.databases) {
+ *   console.log(db.name);
+ * }
+ * ```
+ */
+export class Admin {
+  /** @internal */
+  s: AdminPrivate;
+
+  /**
+   * Create a new Admin instance
+   * @internal
+   */
+  constructor(db: Db) {
+    this.s = { db };
+  }
+
+  /**
+   * Execute a command
+   *
+   * @param command - The command to execute
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  command(command: Document): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  command(command: Document, callback: Callback<Document>): void;
+  command(command: Document, options: RunCommandOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  command(command: Document, options: RunCommandOptions, callback: Callback<Document>): void;
+  command(
+    command: Document,
+    options?: RunCommandOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = Object.assign({ dbName: 'admin' }, options);
+
+    return executeOperation(
+      this.s.db.s.client,
+      new RunCommandOperation(this.s.db, command, options),
+      callback
+    );
+  }
+
+  /**
+   * Retrieve the server build information
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  buildInfo(): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  buildInfo(callback: Callback<Document>): void;
+  buildInfo(options: CommandOperationOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  buildInfo(options: CommandOperationOptions, callback: Callback<Document>): void;
+  buildInfo(
+    options?: CommandOperationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+    return this.command({ buildinfo: 1 }, options, callback as Callback<Document>);
+  }
+
+  /**
+   * Retrieve the server build information
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  serverInfo(): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  serverInfo(callback: Callback<Document>): void;
+  serverInfo(options: CommandOperationOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  serverInfo(options: CommandOperationOptions, callback: Callback<Document>): void;
+  serverInfo(
+    options?: CommandOperationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+    return this.command({ buildinfo: 1 }, options, callback as Callback<Document>);
+  }
+
+  /**
+   * Retrieve this db's server status.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  serverStatus(): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  serverStatus(callback: Callback<Document>): void;
+  serverStatus(options: CommandOperationOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  serverStatus(options: CommandOperationOptions, callback: Callback<Document>): void;
+  serverStatus(
+    options?: CommandOperationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+    return this.command({ serverStatus: 1 }, options, callback as Callback<Document>);
+  }
+
+  /**
+   * Ping the MongoDB server and retrieve results
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  ping(): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  ping(callback: Callback<Document>): void;
+  ping(options: CommandOperationOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  ping(options: CommandOperationOptions, callback: Callback<Document>): void;
+  ping(
+    options?: CommandOperationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+    return this.command({ ping: 1 }, options, callback as Callback<Document>);
+  }
+
+  /**
+   * Add a user to the database
+   *
+   * @param username - The username for the new user
+   * @param password - An optional password for the new user
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  addUser(username: string): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  addUser(username: string, callback: Callback<Document>): void;
+  addUser(username: string, password: string): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  addUser(username: string, password: string, callback: Callback<Document>): void;
+  addUser(username: string, options: AddUserOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  addUser(username: string, options: AddUserOptions, callback: Callback<Document>): void;
+  addUser(username: string, password: string, options: AddUserOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  addUser(
+    username: string,
+    password: string,
+    options: AddUserOptions,
+    callback: Callback<Document>
+  ): void;
+  addUser(
+    username: string,
+    password?: string | AddUserOptions | Callback<Document>,
+    options?: AddUserOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof password === 'function') {
+      (callback = password), (password = undefined), (options = {});
+    } else if (typeof password !== 'string') {
+      if (typeof options === 'function') {
+        (callback = options), (options = password), (password = undefined);
+      } else {
+        (options = password), (callback = undefined), (password = undefined);
+      }
+    } else {
+      if (typeof options === 'function') (callback = options), (options = {});
+    }
+
+    options = Object.assign({ dbName: 'admin' }, options);
+
+    return executeOperation(
+      this.s.db.s.client,
+      new AddUserOperation(this.s.db, username, password, options),
+      callback
+    );
+  }
+
+  /**
+   * Remove a user from a database
+   *
+   * @param username - The username to remove
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  removeUser(username: string): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  removeUser(username: string, callback: Callback<boolean>): void;
+  removeUser(username: string, options: RemoveUserOptions): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  removeUser(username: string, options: RemoveUserOptions, callback: Callback<boolean>): void;
+  removeUser(
+    username: string,
+    options?: RemoveUserOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = Object.assign({ dbName: 'admin' }, options);
+
+    return executeOperation(
+      this.s.db.s.client,
+      new RemoveUserOperation(this.s.db, username, options),
+      callback
+    );
+  }
+
+  /**
+   * Validate an existing collection
+   *
+   * @param collectionName - The name of the collection to validate.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  validateCollection(collectionName: string): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  validateCollection(collectionName: string, callback: Callback<Document>): void;
+  validateCollection(collectionName: string, options: ValidateCollectionOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  validateCollection(
+    collectionName: string,
+    options: ValidateCollectionOptions,
+    callback: Callback<Document>
+  ): void;
+  validateCollection(
+    collectionName: string,
+    options?: ValidateCollectionOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return executeOperation(
+      this.s.db.s.client,
+      new ValidateCollectionOperation(this, collectionName, options),
+      callback
+    );
+  }
+
+  /**
+   * List the available databases
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  listDatabases(): Promise<ListDatabasesResult>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  listDatabases(callback: Callback<ListDatabasesResult>): void;
+  listDatabases(options: ListDatabasesOptions): Promise<ListDatabasesResult>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  listDatabases(options: ListDatabasesOptions, callback: Callback<ListDatabasesResult>): void;
+  listDatabases(
+    options?: ListDatabasesOptions | Callback<ListDatabasesResult>,
+    callback?: Callback<ListDatabasesResult>
+  ): Promise<ListDatabasesResult> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return executeOperation(
+      this.s.db.s.client,
+      new ListDatabasesOperation(this.s.db, options),
+      callback
+    );
+  }
+
+  /**
+   * Get ReplicaSet status
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  replSetGetStatus(): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  replSetGetStatus(callback: Callback<Document>): void;
+  replSetGetStatus(options: CommandOperationOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  replSetGetStatus(options: CommandOperationOptions, callback: Callback<Document>): void;
+  replSetGetStatus(
+    options?: CommandOperationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+    return this.command({ replSetGetStatus: 1 }, options, callback as Callback<Document>);
+  }
+}
diff --git a/node_modules/mongodb/src/bson.ts b/node_modules/mongodb/src/bson.ts
new file mode 100644
index 000000000..8a6133f2a
--- /dev/null
+++ b/node_modules/mongodb/src/bson.ts
@@ -0,0 +1,116 @@
+import type {
+  calculateObjectSize as calculateObjectSizeFn,
+  deserialize as deserializeFn,
+  DeserializeOptions,
+  serialize as serializeFn,
+  SerializeOptions
+} from 'bson';
+
+/** @internal */
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+let BSON = require('bson');
+
+try {
+  // Ensure you always wrap an optional require in the try block NODE-3199
+  BSON = require('bson-ext');
+} catch {} // eslint-disable-line
+
+/** @internal */
+export const deserialize = BSON.deserialize as typeof deserializeFn;
+/** @internal */
+export const serialize = BSON.serialize as typeof serializeFn;
+/** @internal */
+export const calculateObjectSize = BSON.calculateObjectSize as typeof calculateObjectSizeFn;
+
+export {
+  Binary,
+  BSONRegExp,
+  BSONSymbol,
+  Code,
+  DBRef,
+  Decimal128,
+  Document,
+  Double,
+  Int32,
+  Long,
+  Map,
+  MaxKey,
+  MinKey,
+  ObjectId,
+  Timestamp
+} from 'bson';
+
+/** @internal */
+export { BSON };
+
+/**
+ * BSON Serialization options.
+ * @public
+ */
+export interface BSONSerializeOptions
+  extends Omit<SerializeOptions, 'index'>,
+    Omit<
+      DeserializeOptions,
+      | 'evalFunctions'
+      | 'cacheFunctions'
+      | 'cacheFunctionsCrc32'
+      | 'allowObjectSmallerThanBufferSize'
+      | 'index'
+      | 'validation'
+    > {
+  /** Return BSON filled buffers from operations */
+  raw?: boolean;
+
+  /** Enable utf8 validation when deserializing BSON documents.  Defaults to true. */
+  enableUtf8Validation?: boolean;
+}
+
+export function pluckBSONSerializeOptions(options: BSONSerializeOptions): BSONSerializeOptions {
+  const {
+    fieldsAsRaw,
+    promoteValues,
+    promoteBuffers,
+    promoteLongs,
+    serializeFunctions,
+    ignoreUndefined,
+    bsonRegExp,
+    raw,
+    enableUtf8Validation
+  } = options;
+  return {
+    fieldsAsRaw,
+    promoteValues,
+    promoteBuffers,
+    promoteLongs,
+    serializeFunctions,
+    ignoreUndefined,
+    bsonRegExp,
+    raw,
+    enableUtf8Validation
+  };
+}
+
+/**
+ * Merge the given BSONSerializeOptions, preferring options over the parent's options, and
+ * substituting defaults for values not set.
+ *
+ * @internal
+ */
+export function resolveBSONOptions(
+  options?: BSONSerializeOptions,
+  parent?: { bsonOptions?: BSONSerializeOptions }
+): BSONSerializeOptions {
+  const parentOptions = parent?.bsonOptions;
+  return {
+    raw: options?.raw ?? parentOptions?.raw ?? false,
+    promoteLongs: options?.promoteLongs ?? parentOptions?.promoteLongs ?? true,
+    promoteValues: options?.promoteValues ?? parentOptions?.promoteValues ?? true,
+    promoteBuffers: options?.promoteBuffers ?? parentOptions?.promoteBuffers ?? false,
+    ignoreUndefined: options?.ignoreUndefined ?? parentOptions?.ignoreUndefined ?? false,
+    bsonRegExp: options?.bsonRegExp ?? parentOptions?.bsonRegExp ?? false,
+    serializeFunctions: options?.serializeFunctions ?? parentOptions?.serializeFunctions ?? false,
+    fieldsAsRaw: options?.fieldsAsRaw ?? parentOptions?.fieldsAsRaw ?? {},
+    enableUtf8Validation:
+      options?.enableUtf8Validation ?? parentOptions?.enableUtf8Validation ?? true
+  };
+}
diff --git a/node_modules/mongodb/src/bulk/common.ts b/node_modules/mongodb/src/bulk/common.ts
new file mode 100644
index 000000000..9cd81370c
--- /dev/null
+++ b/node_modules/mongodb/src/bulk/common.ts
@@ -0,0 +1,1397 @@
+import {
+  BSONSerializeOptions,
+  Document,
+  Long,
+  ObjectId,
+  resolveBSONOptions,
+  Timestamp
+} from '../bson';
+import type { Collection } from '../collection';
+import {
+  AnyError,
+  MongoBatchReExecutionError,
+  MONGODB_ERROR_CODES,
+  MongoInvalidArgumentError,
+  MongoServerError,
+  MongoWriteConcernError
+} from '../error';
+import type { Filter, OneOrMore, OptionalId, UpdateFilter, WithoutId } from '../mongo_types';
+import type { CollationOptions, CommandOperationOptions } from '../operations/command';
+import { DeleteOperation, DeleteStatement, makeDeleteStatement } from '../operations/delete';
+import { executeOperation } from '../operations/execute_operation';
+import { InsertOperation } from '../operations/insert';
+import { AbstractOperation, Hint } from '../operations/operation';
+import { makeUpdateStatement, UpdateOperation, UpdateStatement } from '../operations/update';
+import { PromiseProvider } from '../promise_provider';
+import type { Server } from '../sdam/server';
+import type { Topology } from '../sdam/topology';
+import type { ClientSession } from '../sessions';
+import {
+  applyRetryableWrites,
+  Callback,
+  getTopology,
+  hasAtomicOperators,
+  MongoDBNamespace,
+  resolveOptions
+} from '../utils';
+import { WriteConcern } from '../write_concern';
+
+/** @internal */
+const kServerError = Symbol('serverError');
+
+/** @public */
+export const BatchType = Object.freeze({
+  INSERT: 1,
+  UPDATE: 2,
+  DELETE: 3
+} as const);
+
+/** @public */
+export type BatchType = typeof BatchType[keyof typeof BatchType];
+
+/** @public */
+export interface InsertOneModel<TSchema extends Document = Document> {
+  /** The document to insert. */
+  document: OptionalId<TSchema>;
+}
+
+/** @public */
+export interface DeleteOneModel<TSchema extends Document = Document> {
+  /** The filter to limit the deleted documents. */
+  filter: Filter<TSchema>;
+  /** Specifies a collation. */
+  collation?: CollationOptions;
+  /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+  hint?: Hint;
+}
+
+/** @public */
+export interface DeleteManyModel<TSchema extends Document = Document> {
+  /** The filter to limit the deleted documents. */
+  filter: Filter<TSchema>;
+  /** Specifies a collation. */
+  collation?: CollationOptions;
+  /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+  hint?: Hint;
+}
+
+/** @public */
+export interface ReplaceOneModel<TSchema extends Document = Document> {
+  /** The filter to limit the replaced document. */
+  filter: Filter<TSchema>;
+  /** The document with which to replace the matched document. */
+  replacement: WithoutId<TSchema>;
+  /** Specifies a collation. */
+  collation?: CollationOptions;
+  /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+  hint?: Hint;
+  /** When true, creates a new document if no document matches the query. */
+  upsert?: boolean;
+}
+
+/** @public */
+export interface UpdateOneModel<TSchema extends Document = Document> {
+  /** The filter to limit the updated documents. */
+  filter: Filter<TSchema>;
+  /** A document or pipeline containing update operators. */
+  update: UpdateFilter<TSchema> | UpdateFilter<TSchema>[];
+  /** A set of filters specifying to which array elements an update should apply. */
+  arrayFilters?: Document[];
+  /** Specifies a collation. */
+  collation?: CollationOptions;
+  /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+  hint?: Hint;
+  /** When true, creates a new document if no document matches the query. */
+  upsert?: boolean;
+}
+
+/** @public */
+export interface UpdateManyModel<TSchema extends Document = Document> {
+  /** The filter to limit the updated documents. */
+  filter: Filter<TSchema>;
+  /** A document or pipeline containing update operators. */
+  update: UpdateFilter<TSchema> | UpdateFilter<TSchema>[];
+  /** A set of filters specifying to which array elements an update should apply. */
+  arrayFilters?: Document[];
+  /** Specifies a collation. */
+  collation?: CollationOptions;
+  /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+  hint?: Hint;
+  /** When true, creates a new document if no document matches the query. */
+  upsert?: boolean;
+}
+
+/** @public */
+export type AnyBulkWriteOperation<TSchema extends Document = Document> =
+  | { insertOne: InsertOneModel<TSchema> }
+  | { replaceOne: ReplaceOneModel<TSchema> }
+  | { updateOne: UpdateOneModel<TSchema> }
+  | { updateMany: UpdateManyModel<TSchema> }
+  | { deleteOne: DeleteOneModel<TSchema> }
+  | { deleteMany: DeleteManyModel<TSchema> };
+
+/** @public */
+export interface BulkResult {
+  ok: number;
+  writeErrors: WriteError[];
+  writeConcernErrors: WriteConcernError[];
+  insertedIds: Document[];
+  nInserted: number;
+  nUpserted: number;
+  nMatched: number;
+  nModified: number;
+  nRemoved: number;
+  upserted: Document[];
+  opTime?: Document;
+}
+
+/**
+ * Keeps the state of a unordered batch so we can rewrite the results
+ * correctly after command execution
+ *
+ * @public
+ */
+export class Batch<T = Document> {
+  originalZeroIndex: number;
+  currentIndex: number;
+  originalIndexes: number[];
+  batchType: BatchType;
+  operations: T[];
+  size: number;
+  sizeBytes: number;
+
+  constructor(batchType: BatchType, originalZeroIndex: number) {
+    this.originalZeroIndex = originalZeroIndex;
+    this.currentIndex = 0;
+    this.originalIndexes = [];
+    this.batchType = batchType;
+    this.operations = [];
+    this.size = 0;
+    this.sizeBytes = 0;
+  }
+}
+
+/**
+ * @public
+ * The result of a bulk write.
+ */
+export class BulkWriteResult {
+  result: BulkResult;
+
+  /**
+   * Create a new BulkWriteResult instance
+   * @internal
+   */
+  constructor(bulkResult: BulkResult) {
+    this.result = bulkResult;
+  }
+
+  /** Number of documents inserted. */
+  get insertedCount(): number {
+    return this.result.nInserted ?? 0;
+  }
+  /** Number of documents matched for update. */
+  get matchedCount(): number {
+    return this.result.nMatched ?? 0;
+  }
+  /** Number of documents modified. */
+  get modifiedCount(): number {
+    return this.result.nModified ?? 0;
+  }
+  /** Number of documents deleted. */
+  get deletedCount(): number {
+    return this.result.nRemoved ?? 0;
+  }
+  /** Number of documents upserted. */
+  get upsertedCount(): number {
+    return this.result.upserted.length ?? 0;
+  }
+
+  /** Upserted document generated Id's, hash key is the index of the originating operation */
+  get upsertedIds(): { [key: number]: any } {
+    const upserted: { [index: number]: any } = {};
+    for (const doc of this.result.upserted ?? []) {
+      upserted[doc.index] = doc._id;
+    }
+    return upserted;
+  }
+
+  /** Inserted document generated Id's, hash key is the index of the originating operation */
+  get insertedIds(): { [key: number]: any } {
+    const inserted: { [index: number]: any } = {};
+    for (const doc of this.result.insertedIds ?? []) {
+      inserted[doc.index] = doc._id;
+    }
+    return inserted;
+  }
+
+  /** Evaluates to true if the bulk operation correctly executes */
+  get ok(): number {
+    return this.result.ok;
+  }
+
+  /** The number of inserted documents */
+  get nInserted(): number {
+    return this.result.nInserted;
+  }
+
+  /** Number of upserted documents */
+  get nUpserted(): number {
+    return this.result.nUpserted;
+  }
+
+  /** Number of matched documents */
+  get nMatched(): number {
+    return this.result.nMatched;
+  }
+
+  /** Number of documents updated physically on disk */
+  get nModified(): number {
+    return this.result.nModified;
+  }
+
+  /** Number of removed documents */
+  get nRemoved(): number {
+    return this.result.nRemoved;
+  }
+
+  /** Returns an array of all inserted ids */
+  getInsertedIds(): Document[] {
+    return this.result.insertedIds;
+  }
+
+  /** Returns an array of all upserted ids */
+  getUpsertedIds(): Document[] {
+    return this.result.upserted;
+  }
+
+  /** Returns the upserted id at the given index */
+  getUpsertedIdAt(index: number): Document | undefined {
+    return this.result.upserted[index];
+  }
+
+  /** Returns raw internal result */
+  getRawResponse(): Document {
+    return this.result;
+  }
+
+  /** Returns true if the bulk operation contains a write error */
+  hasWriteErrors(): boolean {
+    return this.result.writeErrors.length > 0;
+  }
+
+  /** Returns the number of write errors off the bulk operation */
+  getWriteErrorCount(): number {
+    return this.result.writeErrors.length;
+  }
+
+  /** Returns a specific write error object */
+  getWriteErrorAt(index: number): WriteError | undefined {
+    return index < this.result.writeErrors.length ? this.result.writeErrors[index] : undefined;
+  }
+
+  /** Retrieve all write errors */
+  getWriteErrors(): WriteError[] {
+    return this.result.writeErrors;
+  }
+
+  /** Retrieve lastOp if available */
+  getLastOp(): Document | undefined {
+    return this.result.opTime;
+  }
+
+  /** Retrieve the write concern error if one exists */
+  getWriteConcernError(): WriteConcernError | undefined {
+    if (this.result.writeConcernErrors.length === 0) {
+      return;
+    } else if (this.result.writeConcernErrors.length === 1) {
+      // Return the error
+      return this.result.writeConcernErrors[0];
+    } else {
+      // Combine the errors
+      let errmsg = '';
+      for (let i = 0; i < this.result.writeConcernErrors.length; i++) {
+        const err = this.result.writeConcernErrors[i];
+        errmsg = errmsg + err.errmsg;
+
+        // TODO: Something better
+        if (i === 0) errmsg = errmsg + ' and ';
+      }
+
+      return new WriteConcernError({ errmsg, code: MONGODB_ERROR_CODES.WriteConcernFailed });
+    }
+  }
+
+  toJSON(): BulkResult {
+    return this.result;
+  }
+
+  toString(): string {
+    return `BulkWriteResult(${this.toJSON()})`;
+  }
+
+  isOk(): boolean {
+    return this.result.ok === 1;
+  }
+}
+
+/** @public */
+export interface WriteConcernErrorData {
+  code: number;
+  errmsg: string;
+  errInfo?: Document;
+}
+
+/**
+ * An error representing a failure by the server to apply the requested write concern to the bulk operation.
+ * @public
+ * @category Error
+ */
+export class WriteConcernError {
+  /** @internal */
+  [kServerError]: WriteConcernErrorData;
+
+  constructor(error: WriteConcernErrorData) {
+    this[kServerError] = error;
+  }
+
+  /** Write concern error code. */
+  get code(): number | undefined {
+    return this[kServerError].code;
+  }
+
+  /** Write concern error message. */
+  get errmsg(): string | undefined {
+    return this[kServerError].errmsg;
+  }
+
+  /** Write concern error info. */
+  get errInfo(): Document | undefined {
+    return this[kServerError].errInfo;
+  }
+
+  /** @deprecated The `err` prop that contained a MongoServerError has been deprecated. */
+  get err(): WriteConcernErrorData {
+    return this[kServerError];
+  }
+
+  toJSON(): WriteConcernErrorData {
+    return this[kServerError];
+  }
+
+  toString(): string {
+    return `WriteConcernError(${this.errmsg})`;
+  }
+}
+
+/** @public */
+export interface BulkWriteOperationError {
+  index: number;
+  code: number;
+  errmsg: string;
+  errInfo: Document;
+  op: Document | UpdateStatement | DeleteStatement;
+}
+
+/**
+ * An error that occurred during a BulkWrite on the server.
+ * @public
+ * @category Error
+ */
+export class WriteError {
+  err: BulkWriteOperationError;
+
+  constructor(err: BulkWriteOperationError) {
+    this.err = err;
+  }
+
+  /** WriteError code. */
+  get code(): number {
+    return this.err.code;
+  }
+
+  /** WriteError original bulk operation index. */
+  get index(): number {
+    return this.err.index;
+  }
+
+  /** WriteError message. */
+  get errmsg(): string | undefined {
+    return this.err.errmsg;
+  }
+
+  /** WriteError details. */
+  get errInfo(): Document | undefined {
+    return this.err.errInfo;
+  }
+
+  /** Returns the underlying operation that caused the error */
+  getOperation(): Document {
+    return this.err.op;
+  }
+
+  toJSON(): { code: number; index: number; errmsg?: string; op: Document } {
+    return { code: this.err.code, index: this.err.index, errmsg: this.err.errmsg, op: this.err.op };
+  }
+
+  toString(): string {
+    return `WriteError(${JSON.stringify(this.toJSON())})`;
+  }
+}
+
+/** Converts the number to a Long or returns it. */
+function longOrConvert(value: number | Long | Timestamp): Long | Timestamp {
+  // TODO(NODE-2674): Preserve int64 sent from MongoDB
+  return typeof value === 'number' ? Long.fromNumber(value) : value;
+}
+
+/** Merges results into shared data structure */
+export function mergeBatchResults(
+  batch: Batch,
+  bulkResult: BulkResult,
+  err?: AnyError,
+  result?: Document
+): void {
+  // If we have an error set the result to be the err object
+  if (err) {
+    result = err;
+  } else if (result && result.result) {
+    result = result.result;
+  }
+
+  if (result == null) {
+    return;
+  }
+
+  // Do we have a top level error stop processing and return
+  if (result.ok === 0 && bulkResult.ok === 1) {
+    bulkResult.ok = 0;
+
+    const writeError = {
+      index: 0,
+      code: result.code || 0,
+      errmsg: result.message,
+      errInfo: result.errInfo,
+      op: batch.operations[0]
+    };
+
+    bulkResult.writeErrors.push(new WriteError(writeError));
+    return;
+  } else if (result.ok === 0 && bulkResult.ok === 0) {
+    return;
+  }
+
+  // The server write command specification states that lastOp is an optional
+  // mongod only field that has a type of timestamp. Across various scarce specs
+  // where opTime is mentioned, it is an "opaque" object that can have a "ts" and
+  // "t" field with Timestamp and Long as their types respectively.
+  // The "lastOp" field of the bulk write result is never mentioned in the driver
+  // specifications or the bulk write spec, so we should probably just keep its
+  // value consistent since it seems to vary.
+  // See: https://github.com/mongodb/specifications/blob/master/source/driver-bulk-update.rst#results-object
+  if (result.opTime || result.lastOp) {
+    let opTime = result.lastOp || result.opTime;
+
+    // If the opTime is a Timestamp, convert it to a consistent format to be
+    // able to compare easily. Converting to the object from a timestamp is
+    // much more straightforward than the other direction.
+    if (opTime._bsontype === 'Timestamp') {
+      opTime = { ts: opTime, t: Long.ZERO };
+    }
+
+    // If there's no lastOp, just set it.
+    if (!bulkResult.opTime) {
+      bulkResult.opTime = opTime;
+    } else {
+      // First compare the ts values and set if the opTimeTS value is greater.
+      const lastOpTS = longOrConvert(bulkResult.opTime.ts);
+      const opTimeTS = longOrConvert(opTime.ts);
+      if (opTimeTS.greaterThan(lastOpTS)) {
+        bulkResult.opTime = opTime;
+      } else if (opTimeTS.equals(lastOpTS)) {
+        // If the ts values are equal, then compare using the t values.
+        const lastOpT = longOrConvert(bulkResult.opTime.t);
+        const opTimeT = longOrConvert(opTime.t);
+        if (opTimeT.greaterThan(lastOpT)) {
+          bulkResult.opTime = opTime;
+        }
+      }
+    }
+  }
+
+  // If we have an insert Batch type
+  if (isInsertBatch(batch) && result.n) {
+    bulkResult.nInserted = bulkResult.nInserted + result.n;
+  }
+
+  // If we have an insert Batch type
+  if (isDeleteBatch(batch) && result.n) {
+    bulkResult.nRemoved = bulkResult.nRemoved + result.n;
+  }
+
+  let nUpserted = 0;
+
+  // We have an array of upserted values, we need to rewrite the indexes
+  if (Array.isArray(result.upserted)) {
+    nUpserted = result.upserted.length;
+
+    for (let i = 0; i < result.upserted.length; i++) {
+      bulkResult.upserted.push({
+        index: result.upserted[i].index + batch.originalZeroIndex,
+        _id: result.upserted[i]._id
+      });
+    }
+  } else if (result.upserted) {
+    nUpserted = 1;
+
+    bulkResult.upserted.push({
+      index: batch.originalZeroIndex,
+      _id: result.upserted
+    });
+  }
+
+  // If we have an update Batch type
+  if (isUpdateBatch(batch) && result.n) {
+    const nModified = result.nModified;
+    bulkResult.nUpserted = bulkResult.nUpserted + nUpserted;
+    bulkResult.nMatched = bulkResult.nMatched + (result.n - nUpserted);
+
+    if (typeof nModified === 'number') {
+      bulkResult.nModified = bulkResult.nModified + nModified;
+    } else {
+      bulkResult.nModified = 0;
+    }
+  }
+
+  if (Array.isArray(result.writeErrors)) {
+    for (let i = 0; i < result.writeErrors.length; i++) {
+      const writeError = {
+        index: batch.originalIndexes[result.writeErrors[i].index],
+        code: result.writeErrors[i].code,
+        errmsg: result.writeErrors[i].errmsg,
+        errInfo: result.writeErrors[i].errInfo,
+        op: batch.operations[result.writeErrors[i].index]
+      };
+
+      bulkResult.writeErrors.push(new WriteError(writeError));
+    }
+  }
+
+  if (result.writeConcernError) {
+    bulkResult.writeConcernErrors.push(new WriteConcernError(result.writeConcernError));
+  }
+}
+
+function executeCommands(
+  bulkOperation: BulkOperationBase,
+  options: BulkWriteOptions,
+  callback: Callback<BulkWriteResult>
+) {
+  if (bulkOperation.s.batches.length === 0) {
+    return callback(undefined, new BulkWriteResult(bulkOperation.s.bulkResult));
+  }
+
+  const batch = bulkOperation.s.batches.shift() as Batch;
+
+  function resultHandler(err?: AnyError, result?: Document) {
+    // Error is a driver related error not a bulk op error, return early
+    if (err && 'message' in err && !(err instanceof MongoWriteConcernError)) {
+      return callback(
+        new MongoBulkWriteError(err, new BulkWriteResult(bulkOperation.s.bulkResult))
+      );
+    }
+
+    if (err instanceof MongoWriteConcernError) {
+      return handleMongoWriteConcernError(batch, bulkOperation.s.bulkResult, err, callback);
+    }
+
+    // Merge the results together
+    const writeResult = new BulkWriteResult(bulkOperation.s.bulkResult);
+    const mergeResult = mergeBatchResults(batch, bulkOperation.s.bulkResult, err, result);
+    if (mergeResult != null) {
+      return callback(undefined, writeResult);
+    }
+
+    if (bulkOperation.handleWriteError(callback, writeResult)) return;
+
+    // Execute the next command in line
+    executeCommands(bulkOperation, options, callback);
+  }
+
+  const finalOptions = resolveOptions(bulkOperation, {
+    ...options,
+    ordered: bulkOperation.isOrdered
+  });
+
+  if (finalOptions.bypassDocumentValidation !== true) {
+    delete finalOptions.bypassDocumentValidation;
+  }
+
+  // Set an operationIf if provided
+  if (bulkOperation.operationId) {
+    resultHandler.operationId = bulkOperation.operationId;
+  }
+
+  // Is the bypassDocumentValidation options specific
+  if (bulkOperation.s.bypassDocumentValidation === true) {
+    finalOptions.bypassDocumentValidation = true;
+  }
+
+  // Is the checkKeys option disabled
+  if (bulkOperation.s.checkKeys === false) {
+    finalOptions.checkKeys = false;
+  }
+
+  if (finalOptions.retryWrites) {
+    if (isUpdateBatch(batch)) {
+      finalOptions.retryWrites = finalOptions.retryWrites && !batch.operations.some(op => op.multi);
+    }
+
+    if (isDeleteBatch(batch)) {
+      finalOptions.retryWrites =
+        finalOptions.retryWrites && !batch.operations.some(op => op.limit === 0);
+    }
+  }
+
+  try {
+    if (isInsertBatch(batch)) {
+      executeOperation(
+        bulkOperation.s.collection.s.db.s.client,
+        new InsertOperation(bulkOperation.s.namespace, batch.operations, finalOptions),
+        resultHandler
+      );
+    } else if (isUpdateBatch(batch)) {
+      executeOperation(
+        bulkOperation.s.collection.s.db.s.client,
+        new UpdateOperation(bulkOperation.s.namespace, batch.operations, finalOptions),
+        resultHandler
+      );
+    } else if (isDeleteBatch(batch)) {
+      executeOperation(
+        bulkOperation.s.collection.s.db.s.client,
+        new DeleteOperation(bulkOperation.s.namespace, batch.operations, finalOptions),
+        resultHandler
+      );
+    }
+  } catch (err) {
+    // Force top level error
+    err.ok = 0;
+    // Merge top level error and return
+    mergeBatchResults(batch, bulkOperation.s.bulkResult, err, undefined);
+    callback();
+  }
+}
+
+function handleMongoWriteConcernError(
+  batch: Batch,
+  bulkResult: BulkResult,
+  err: MongoWriteConcernError,
+  callback: Callback<BulkWriteResult>
+) {
+  mergeBatchResults(batch, bulkResult, undefined, err.result);
+
+  callback(
+    new MongoBulkWriteError(
+      {
+        message: err.result?.writeConcernError.errmsg,
+        code: err.result?.writeConcernError.result
+      },
+      new BulkWriteResult(bulkResult)
+    )
+  );
+}
+
+/**
+ * An error indicating an unsuccessful Bulk Write
+ * @public
+ * @category Error
+ */
+export class MongoBulkWriteError extends MongoServerError {
+  result: BulkWriteResult;
+  writeErrors: OneOrMore<WriteError> = [];
+  err?: WriteConcernError;
+
+  /** Creates a new MongoBulkWriteError */
+  constructor(
+    error:
+      | { message: string; code: number; writeErrors?: WriteError[] }
+      | WriteConcernError
+      | AnyError,
+    result: BulkWriteResult
+  ) {
+    super(error);
+
+    if (error instanceof WriteConcernError) this.err = error;
+    else if (!(error instanceof Error)) {
+      this.message = error.message;
+      this.code = error.code;
+      this.writeErrors = error.writeErrors ?? [];
+    }
+
+    this.result = result;
+    Object.assign(this, error);
+  }
+
+  override get name(): string {
+    return 'MongoBulkWriteError';
+  }
+
+  /** Number of documents inserted. */
+  get insertedCount(): number {
+    return this.result.insertedCount;
+  }
+  /** Number of documents matched for update. */
+  get matchedCount(): number {
+    return this.result.matchedCount;
+  }
+  /** Number of documents modified. */
+  get modifiedCount(): number {
+    return this.result.modifiedCount;
+  }
+  /** Number of documents deleted. */
+  get deletedCount(): number {
+    return this.result.deletedCount;
+  }
+  /** Number of documents upserted. */
+  get upsertedCount(): number {
+    return this.result.upsertedCount;
+  }
+  /** Inserted document generated Id's, hash key is the index of the originating operation */
+  get insertedIds(): { [key: number]: any } {
+    return this.result.insertedIds;
+  }
+  /** Upserted document generated Id's, hash key is the index of the originating operation */
+  get upsertedIds(): { [key: number]: any } {
+    return this.result.upsertedIds;
+  }
+}
+
+/**
+ * A builder object that is returned from {@link BulkOperationBase#find}.
+ * Is used to build a write operation that involves a query filter.
+ *
+ * @public
+ */
+export class FindOperators {
+  bulkOperation: BulkOperationBase;
+
+  /**
+   * Creates a new FindOperators object.
+   * @internal
+   */
+  constructor(bulkOperation: BulkOperationBase) {
+    this.bulkOperation = bulkOperation;
+  }
+
+  /** Add a multiple update operation to the bulk operation */
+  update(updateDocument: Document | Document[]): BulkOperationBase {
+    const currentOp = buildCurrentOp(this.bulkOperation);
+    return this.bulkOperation.addToOperationsList(
+      BatchType.UPDATE,
+      makeUpdateStatement(currentOp.selector, updateDocument, {
+        ...currentOp,
+        multi: true
+      })
+    );
+  }
+
+  /** Add a single update operation to the bulk operation */
+  updateOne(updateDocument: Document | Document[]): BulkOperationBase {
+    if (!hasAtomicOperators(updateDocument)) {
+      throw new MongoInvalidArgumentError('Update document requires atomic operators');
+    }
+
+    const currentOp = buildCurrentOp(this.bulkOperation);
+    return this.bulkOperation.addToOperationsList(
+      BatchType.UPDATE,
+      makeUpdateStatement(currentOp.selector, updateDocument, { ...currentOp, multi: false })
+    );
+  }
+
+  /** Add a replace one operation to the bulk operation */
+  replaceOne(replacement: Document): BulkOperationBase {
+    if (hasAtomicOperators(replacement)) {
+      throw new MongoInvalidArgumentError('Replacement document must not use atomic operators');
+    }
+
+    const currentOp = buildCurrentOp(this.bulkOperation);
+    return this.bulkOperation.addToOperationsList(
+      BatchType.UPDATE,
+      makeUpdateStatement(currentOp.selector, replacement, { ...currentOp, multi: false })
+    );
+  }
+
+  /** Add a delete one operation to the bulk operation */
+  deleteOne(): BulkOperationBase {
+    const currentOp = buildCurrentOp(this.bulkOperation);
+    return this.bulkOperation.addToOperationsList(
+      BatchType.DELETE,
+      makeDeleteStatement(currentOp.selector, { ...currentOp, limit: 1 })
+    );
+  }
+
+  /** Add a delete many operation to the bulk operation */
+  delete(): BulkOperationBase {
+    const currentOp = buildCurrentOp(this.bulkOperation);
+    return this.bulkOperation.addToOperationsList(
+      BatchType.DELETE,
+      makeDeleteStatement(currentOp.selector, { ...currentOp, limit: 0 })
+    );
+  }
+
+  /** Upsert modifier for update bulk operation, noting that this operation is an upsert. */
+  upsert(): this {
+    if (!this.bulkOperation.s.currentOp) {
+      this.bulkOperation.s.currentOp = {};
+    }
+
+    this.bulkOperation.s.currentOp.upsert = true;
+    return this;
+  }
+
+  /** Specifies the collation for the query condition. */
+  collation(collation: CollationOptions): this {
+    if (!this.bulkOperation.s.currentOp) {
+      this.bulkOperation.s.currentOp = {};
+    }
+
+    this.bulkOperation.s.currentOp.collation = collation;
+    return this;
+  }
+
+  /** Specifies arrayFilters for UpdateOne or UpdateMany bulk operations. */
+  arrayFilters(arrayFilters: Document[]): this {
+    if (!this.bulkOperation.s.currentOp) {
+      this.bulkOperation.s.currentOp = {};
+    }
+
+    this.bulkOperation.s.currentOp.arrayFilters = arrayFilters;
+    return this;
+  }
+
+  /** Specifies hint for the bulk operation. */
+  hint(hint: Hint): this {
+    if (!this.bulkOperation.s.currentOp) {
+      this.bulkOperation.s.currentOp = {};
+    }
+
+    this.bulkOperation.s.currentOp.hint = hint;
+    return this;
+  }
+}
+
+/** @internal */
+export interface BulkOperationPrivate {
+  bulkResult: BulkResult;
+  currentBatch?: Batch;
+  currentIndex: number;
+  // ordered specific
+  currentBatchSize: number;
+  currentBatchSizeBytes: number;
+  // unordered specific
+  currentInsertBatch?: Batch;
+  currentUpdateBatch?: Batch;
+  currentRemoveBatch?: Batch;
+  batches: Batch[];
+  // Write concern
+  writeConcern?: WriteConcern;
+  // Max batch size options
+  maxBsonObjectSize: number;
+  maxBatchSizeBytes: number;
+  maxWriteBatchSize: number;
+  maxKeySize: number;
+  // Namespace
+  namespace: MongoDBNamespace;
+  // Topology
+  topology: Topology;
+  // Options
+  options: BulkWriteOptions;
+  // BSON options
+  bsonOptions: BSONSerializeOptions;
+  // Document used to build a bulk operation
+  currentOp?: Document;
+  // Executed
+  executed: boolean;
+  // Collection
+  collection: Collection;
+  // Fundamental error
+  err?: AnyError;
+  // check keys
+  checkKeys: boolean;
+  bypassDocumentValidation?: boolean;
+}
+
+/** @public */
+export interface BulkWriteOptions extends CommandOperationOptions {
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** If true, when an insert fails, don't execute the remaining writes. If false, continue with remaining inserts when one fails. */
+  ordered?: boolean;
+  /** @deprecated use `ordered` instead */
+  keepGoing?: boolean;
+  /** Force server to assign _id values instead of driver. */
+  forceServerObjectId?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/**
+ * TODO(NODE-4063)
+ * BulkWrites merge complexity is implemented in executeCommands
+ * This provides a vehicle to treat bulkOperations like any other operation (hence "shim")
+ * We would like this logic to simply live inside the BulkWriteOperation class
+ * @internal
+ */
+class BulkWriteShimOperation extends AbstractOperation {
+  bulkOperation: BulkOperationBase;
+  constructor(bulkOperation: BulkOperationBase, options: BulkWriteOptions) {
+    super(options);
+    this.bulkOperation = bulkOperation;
+  }
+
+  execute(server: Server, session: ClientSession | undefined, callback: Callback<any>): void {
+    if (this.options.session == null) {
+      // An implicit session could have been created by 'executeOperation'
+      // So if we stick it on finalOptions here, each bulk operation
+      // will use this same session, it'll be passed in the same way
+      // an explicit session would be
+      this.options.session = session;
+    }
+    return executeCommands(this.bulkOperation, this.options, callback);
+  }
+}
+
+/** @public */
+export abstract class BulkOperationBase {
+  isOrdered: boolean;
+  /** @internal */
+  s: BulkOperationPrivate;
+  operationId?: number;
+
+  /**
+   * Create a new OrderedBulkOperation or UnorderedBulkOperation instance
+   * @internal
+   */
+  constructor(collection: Collection, options: BulkWriteOptions, isOrdered: boolean) {
+    // determine whether bulkOperation is ordered or unordered
+    this.isOrdered = isOrdered;
+
+    const topology = getTopology(collection);
+    options = options == null ? {} : options;
+    // TODO Bring from driver information in hello
+    // Get the namespace for the write operations
+    const namespace = collection.s.namespace;
+    // Used to mark operation as executed
+    const executed = false;
+
+    // Current item
+    const currentOp = undefined;
+
+    // Set max byte size
+    const hello = topology.lastHello();
+
+    // If we have autoEncryption on, batch-splitting must be done on 2mb chunks, but single documents
+    // over 2mb are still allowed
+    const usingAutoEncryption = !!(topology.s.options && topology.s.options.autoEncrypter);
+    const maxBsonObjectSize =
+      hello && hello.maxBsonObjectSize ? hello.maxBsonObjectSize : 1024 * 1024 * 16;
+    const maxBatchSizeBytes = usingAutoEncryption ? 1024 * 1024 * 2 : maxBsonObjectSize;
+    const maxWriteBatchSize = hello && hello.maxWriteBatchSize ? hello.maxWriteBatchSize : 1000;
+
+    // Calculates the largest possible size of an Array key, represented as a BSON string
+    // element. This calculation:
+    //     1 byte for BSON type
+    //     # of bytes = length of (string representation of (maxWriteBatchSize - 1))
+    //   + 1 bytes for null terminator
+    const maxKeySize = (maxWriteBatchSize - 1).toString(10).length + 2;
+
+    // Final options for retryable writes
+    let finalOptions = Object.assign({}, options);
+    finalOptions = applyRetryableWrites(finalOptions, collection.s.db);
+
+    // Final results
+    const bulkResult: BulkResult = {
+      ok: 1,
+      writeErrors: [],
+      writeConcernErrors: [],
+      insertedIds: [],
+      nInserted: 0,
+      nUpserted: 0,
+      nMatched: 0,
+      nModified: 0,
+      nRemoved: 0,
+      upserted: []
+    };
+
+    // Internal state
+    this.s = {
+      // Final result
+      bulkResult,
+      // Current batch state
+      currentBatch: undefined,
+      currentIndex: 0,
+      // ordered specific
+      currentBatchSize: 0,
+      currentBatchSizeBytes: 0,
+      // unordered specific
+      currentInsertBatch: undefined,
+      currentUpdateBatch: undefined,
+      currentRemoveBatch: undefined,
+      batches: [],
+      // Write concern
+      writeConcern: WriteConcern.fromOptions(options),
+      // Max batch size options
+      maxBsonObjectSize,
+      maxBatchSizeBytes,
+      maxWriteBatchSize,
+      maxKeySize,
+      // Namespace
+      namespace,
+      // Topology
+      topology,
+      // Options
+      options: finalOptions,
+      // BSON options
+      bsonOptions: resolveBSONOptions(options),
+      // Current operation
+      currentOp,
+      // Executed
+      executed,
+      // Collection
+      collection,
+      // Fundamental error
+      err: undefined,
+      // check keys
+      checkKeys: typeof options.checkKeys === 'boolean' ? options.checkKeys : false
+    };
+
+    // bypass Validation
+    if (options.bypassDocumentValidation === true) {
+      this.s.bypassDocumentValidation = true;
+    }
+  }
+
+  /**
+   * Add a single insert document to the bulk operation
+   *
+   * @example
+   * ```ts
+   * const bulkOp = collection.initializeOrderedBulkOp();
+   *
+   * // Adds three inserts to the bulkOp.
+   * bulkOp
+   *   .insert({ a: 1 })
+   *   .insert({ b: 2 })
+   *   .insert({ c: 3 });
+   * await bulkOp.execute();
+   * ```
+   */
+  insert(document: Document): BulkOperationBase {
+    if (document._id == null && !shouldForceServerObjectId(this)) {
+      document._id = new ObjectId();
+    }
+
+    return this.addToOperationsList(BatchType.INSERT, document);
+  }
+
+  /**
+   * Builds a find operation for an update/updateOne/delete/deleteOne/replaceOne.
+   * Returns a builder object used to complete the definition of the operation.
+   *
+   * @example
+   * ```ts
+   * const bulkOp = collection.initializeOrderedBulkOp();
+   *
+   * // Add an updateOne to the bulkOp
+   * bulkOp.find({ a: 1 }).updateOne({ $set: { b: 2 } });
+   *
+   * // Add an updateMany to the bulkOp
+   * bulkOp.find({ c: 3 }).update({ $set: { d: 4 } });
+   *
+   * // Add an upsert
+   * bulkOp.find({ e: 5 }).upsert().updateOne({ $set: { f: 6 } });
+   *
+   * // Add a deletion
+   * bulkOp.find({ g: 7 }).deleteOne();
+   *
+   * // Add a multi deletion
+   * bulkOp.find({ h: 8 }).delete();
+   *
+   * // Add a replaceOne
+   * bulkOp.find({ i: 9 }).replaceOne({writeConcern: { j: 10 }});
+   *
+   * // Update using a pipeline (requires Mongodb 4.2 or higher)
+   * bulk.find({ k: 11, y: { $exists: true }, z: { $exists: true } }).updateOne([
+   *   { $set: { total: { $sum: [ '$y', '$z' ] } } }
+   * ]);
+   *
+   * // All of the ops will now be executed
+   * await bulkOp.execute();
+   * ```
+   */
+  find(selector: Document): FindOperators {
+    if (!selector) {
+      throw new MongoInvalidArgumentError('Bulk find operation must specify a selector');
+    }
+
+    // Save a current selector
+    this.s.currentOp = {
+      selector: selector
+    };
+
+    return new FindOperators(this);
+  }
+
+  /** Specifies a raw operation to perform in the bulk write. */
+  raw(op: AnyBulkWriteOperation): this {
+    if (op == null || typeof op !== 'object') {
+      throw new MongoInvalidArgumentError('Operation must be an object with an operation key');
+    }
+    if ('insertOne' in op) {
+      const forceServerObjectId = shouldForceServerObjectId(this);
+      if (op.insertOne && op.insertOne.document == null) {
+        // NOTE: provided for legacy support, but this is a malformed operation
+        if (forceServerObjectId !== true && (op.insertOne as Document)._id == null) {
+          (op.insertOne as Document)._id = new ObjectId();
+        }
+
+        return this.addToOperationsList(BatchType.INSERT, op.insertOne);
+      }
+
+      if (forceServerObjectId !== true && op.insertOne.document._id == null) {
+        op.insertOne.document._id = new ObjectId();
+      }
+
+      return this.addToOperationsList(BatchType.INSERT, op.insertOne.document);
+    }
+
+    if ('replaceOne' in op || 'updateOne' in op || 'updateMany' in op) {
+      if ('replaceOne' in op) {
+        if ('q' in op.replaceOne) {
+          throw new MongoInvalidArgumentError('Raw operations are not allowed');
+        }
+        const updateStatement = makeUpdateStatement(
+          op.replaceOne.filter,
+          op.replaceOne.replacement,
+          { ...op.replaceOne, multi: false }
+        );
+        if (hasAtomicOperators(updateStatement.u)) {
+          throw new MongoInvalidArgumentError('Replacement document must not use atomic operators');
+        }
+        return this.addToOperationsList(BatchType.UPDATE, updateStatement);
+      }
+
+      if ('updateOne' in op) {
+        if ('q' in op.updateOne) {
+          throw new MongoInvalidArgumentError('Raw operations are not allowed');
+        }
+        const updateStatement = makeUpdateStatement(op.updateOne.filter, op.updateOne.update, {
+          ...op.updateOne,
+          multi: false
+        });
+        if (!hasAtomicOperators(updateStatement.u)) {
+          throw new MongoInvalidArgumentError('Update document requires atomic operators');
+        }
+        return this.addToOperationsList(BatchType.UPDATE, updateStatement);
+      }
+
+      if ('updateMany' in op) {
+        if ('q' in op.updateMany) {
+          throw new MongoInvalidArgumentError('Raw operations are not allowed');
+        }
+        const updateStatement = makeUpdateStatement(op.updateMany.filter, op.updateMany.update, {
+          ...op.updateMany,
+          multi: true
+        });
+        if (!hasAtomicOperators(updateStatement.u)) {
+          throw new MongoInvalidArgumentError('Update document requires atomic operators');
+        }
+        return this.addToOperationsList(BatchType.UPDATE, updateStatement);
+      }
+    }
+
+    if ('deleteOne' in op) {
+      if ('q' in op.deleteOne) {
+        throw new MongoInvalidArgumentError('Raw operations are not allowed');
+      }
+      return this.addToOperationsList(
+        BatchType.DELETE,
+        makeDeleteStatement(op.deleteOne.filter, { ...op.deleteOne, limit: 1 })
+      );
+    }
+
+    if ('deleteMany' in op) {
+      if ('q' in op.deleteMany) {
+        throw new MongoInvalidArgumentError('Raw operations are not allowed');
+      }
+      return this.addToOperationsList(
+        BatchType.DELETE,
+        makeDeleteStatement(op.deleteMany.filter, { ...op.deleteMany, limit: 0 })
+      );
+    }
+
+    // otherwise an unknown operation was provided
+    throw new MongoInvalidArgumentError(
+      'bulkWrite only supports insertOne, updateOne, updateMany, deleteOne, deleteMany'
+    );
+  }
+
+  get bsonOptions(): BSONSerializeOptions {
+    return this.s.bsonOptions;
+  }
+
+  get writeConcern(): WriteConcern | undefined {
+    return this.s.writeConcern;
+  }
+
+  get batches(): Batch[] {
+    const batches = [...this.s.batches];
+    if (this.isOrdered) {
+      if (this.s.currentBatch) batches.push(this.s.currentBatch);
+    } else {
+      if (this.s.currentInsertBatch) batches.push(this.s.currentInsertBatch);
+      if (this.s.currentUpdateBatch) batches.push(this.s.currentUpdateBatch);
+      if (this.s.currentRemoveBatch) batches.push(this.s.currentRemoveBatch);
+    }
+    return batches;
+  }
+
+  execute(options?: BulkWriteOptions): Promise<BulkWriteResult>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  execute(callback: Callback<BulkWriteResult>): void;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  execute(options: BulkWriteOptions | undefined, callback: Callback<BulkWriteResult>): void;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  execute(
+    options?: BulkWriteOptions | Callback<BulkWriteResult>,
+    callback?: Callback<BulkWriteResult>
+  ): Promise<BulkWriteResult> | void;
+  execute(
+    options?: BulkWriteOptions | Callback<BulkWriteResult>,
+    callback?: Callback<BulkWriteResult>
+  ): Promise<BulkWriteResult> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    if (this.s.executed) {
+      return handleEarlyError(new MongoBatchReExecutionError(), callback);
+    }
+
+    const writeConcern = WriteConcern.fromOptions(options);
+    if (writeConcern) {
+      this.s.writeConcern = writeConcern;
+    }
+
+    // If we have current batch
+    if (this.isOrdered) {
+      if (this.s.currentBatch) this.s.batches.push(this.s.currentBatch);
+    } else {
+      if (this.s.currentInsertBatch) this.s.batches.push(this.s.currentInsertBatch);
+      if (this.s.currentUpdateBatch) this.s.batches.push(this.s.currentUpdateBatch);
+      if (this.s.currentRemoveBatch) this.s.batches.push(this.s.currentRemoveBatch);
+    }
+    // If we have no operations in the bulk raise an error
+    if (this.s.batches.length === 0) {
+      const emptyBatchError = new MongoInvalidArgumentError(
+        'Invalid BulkOperation, Batch cannot be empty'
+      );
+      return handleEarlyError(emptyBatchError, callback);
+    }
+
+    this.s.executed = true;
+    const finalOptions = { ...this.s.options, ...options };
+    const operation = new BulkWriteShimOperation(this, finalOptions);
+
+    return executeOperation(this.s.collection.s.db.s.client, operation, callback);
+  }
+
+  /**
+   * Handles the write error before executing commands
+   * @internal
+   */
+  handleWriteError(callback: Callback<BulkWriteResult>, writeResult: BulkWriteResult): boolean {
+    if (this.s.bulkResult.writeErrors.length > 0) {
+      const msg = this.s.bulkResult.writeErrors[0].errmsg
+        ? this.s.bulkResult.writeErrors[0].errmsg
+        : 'write operation failed';
+
+      callback(
+        new MongoBulkWriteError(
+          {
+            message: msg,
+            code: this.s.bulkResult.writeErrors[0].code,
+            writeErrors: this.s.bulkResult.writeErrors
+          },
+          writeResult
+        )
+      );
+
+      return true;
+    }
+
+    const writeConcernError = writeResult.getWriteConcernError();
+    if (writeConcernError) {
+      callback(new MongoBulkWriteError(writeConcernError, writeResult));
+      return true;
+    }
+
+    return false;
+  }
+
+  abstract addToOperationsList(
+    batchType: BatchType,
+    document: Document | UpdateStatement | DeleteStatement
+  ): this;
+}
+
+Object.defineProperty(BulkOperationBase.prototype, 'length', {
+  enumerable: true,
+  get() {
+    return this.s.currentIndex;
+  }
+});
+
+/** helper function to assist with promiseOrCallback behavior */
+function handleEarlyError(
+  err?: AnyError,
+  callback?: Callback<BulkWriteResult>
+): Promise<BulkWriteResult> | void {
+  if (typeof callback === 'function') {
+    callback(err);
+    return;
+  }
+
+  const PromiseConstructor = PromiseProvider.get() ?? Promise;
+  return PromiseConstructor.reject(err);
+}
+
+function shouldForceServerObjectId(bulkOperation: BulkOperationBase): boolean {
+  if (typeof bulkOperation.s.options.forceServerObjectId === 'boolean') {
+    return bulkOperation.s.options.forceServerObjectId;
+  }
+
+  if (typeof bulkOperation.s.collection.s.db.options?.forceServerObjectId === 'boolean') {
+    return bulkOperation.s.collection.s.db.options?.forceServerObjectId;
+  }
+
+  return false;
+}
+
+function isInsertBatch(batch: Batch): boolean {
+  return batch.batchType === BatchType.INSERT;
+}
+
+function isUpdateBatch(batch: Batch): batch is Batch<UpdateStatement> {
+  return batch.batchType === BatchType.UPDATE;
+}
+
+function isDeleteBatch(batch: Batch): batch is Batch<DeleteStatement> {
+  return batch.batchType === BatchType.DELETE;
+}
+
+function buildCurrentOp(bulkOp: BulkOperationBase): Document {
+  let { currentOp } = bulkOp.s;
+  bulkOp.s.currentOp = undefined;
+  if (!currentOp) currentOp = {};
+  return currentOp;
+}
diff --git a/node_modules/mongodb/src/bulk/ordered.ts b/node_modules/mongodb/src/bulk/ordered.ts
new file mode 100644
index 000000000..97ee6444d
--- /dev/null
+++ b/node_modules/mongodb/src/bulk/ordered.ts
@@ -0,0 +1,83 @@
+import type { Document } from '../bson';
+import * as BSON from '../bson';
+import type { Collection } from '../collection';
+import { MongoInvalidArgumentError } from '../error';
+import type { DeleteStatement } from '../operations/delete';
+import type { UpdateStatement } from '../operations/update';
+import { Batch, BatchType, BulkOperationBase, BulkWriteOptions } from './common';
+
+/** @public */
+export class OrderedBulkOperation extends BulkOperationBase {
+  /** @internal */
+  constructor(collection: Collection, options: BulkWriteOptions) {
+    super(collection, options, true);
+  }
+
+  addToOperationsList(
+    batchType: BatchType,
+    document: Document | UpdateStatement | DeleteStatement
+  ): this {
+    // Get the bsonSize
+    const bsonSize = BSON.calculateObjectSize(document, {
+      checkKeys: false,
+      // Since we don't know what the user selected for BSON options here,
+      // err on the safe side, and check the size with ignoreUndefined: false.
+      ignoreUndefined: false
+    } as any);
+
+    // Throw error if the doc is bigger than the max BSON size
+    if (bsonSize >= this.s.maxBsonObjectSize)
+      // TODO(NODE-3483): Change this to MongoBSONError
+      throw new MongoInvalidArgumentError(
+        `Document is larger than the maximum size ${this.s.maxBsonObjectSize}`
+      );
+
+    // Create a new batch object if we don't have a current one
+    if (this.s.currentBatch == null) {
+      this.s.currentBatch = new Batch(batchType, this.s.currentIndex);
+    }
+
+    const maxKeySize = this.s.maxKeySize;
+
+    // Check if we need to create a new batch
+    if (
+      // New batch if we exceed the max batch op size
+      this.s.currentBatchSize + 1 >= this.s.maxWriteBatchSize ||
+      // New batch if we exceed the maxBatchSizeBytes. Only matters if batch already has a doc,
+      // since we can't sent an empty batch
+      (this.s.currentBatchSize > 0 &&
+        this.s.currentBatchSizeBytes + maxKeySize + bsonSize >= this.s.maxBatchSizeBytes) ||
+      // New batch if the new op does not have the same op type as the current batch
+      this.s.currentBatch.batchType !== batchType
+    ) {
+      // Save the batch to the execution stack
+      this.s.batches.push(this.s.currentBatch);
+
+      // Create a new batch
+      this.s.currentBatch = new Batch(batchType, this.s.currentIndex);
+
+      // Reset the current size trackers
+      this.s.currentBatchSize = 0;
+      this.s.currentBatchSizeBytes = 0;
+    }
+
+    if (batchType === BatchType.INSERT) {
+      this.s.bulkResult.insertedIds.push({
+        index: this.s.currentIndex,
+        _id: (document as Document)._id
+      });
+    }
+
+    // We have an array of documents
+    if (Array.isArray(document)) {
+      throw new MongoInvalidArgumentError('Operation passed in cannot be an Array');
+    }
+
+    this.s.currentBatch.originalIndexes.push(this.s.currentIndex);
+    this.s.currentBatch.operations.push(document);
+    this.s.currentBatchSize += 1;
+    this.s.currentBatchSizeBytes += maxKeySize + bsonSize;
+    this.s.currentIndex += 1;
+    return this;
+  }
+}
diff --git a/node_modules/mongodb/src/bulk/unordered.ts b/node_modules/mongodb/src/bulk/unordered.ts
new file mode 100644
index 000000000..5f2e562f3
--- /dev/null
+++ b/node_modules/mongodb/src/bulk/unordered.ts
@@ -0,0 +1,110 @@
+import type { Document } from '../bson';
+import * as BSON from '../bson';
+import type { Collection } from '../collection';
+import { MongoInvalidArgumentError } from '../error';
+import type { DeleteStatement } from '../operations/delete';
+import type { UpdateStatement } from '../operations/update';
+import type { Callback } from '../utils';
+import { Batch, BatchType, BulkOperationBase, BulkWriteOptions, BulkWriteResult } from './common';
+
+/** @public */
+export class UnorderedBulkOperation extends BulkOperationBase {
+  /** @internal */
+  constructor(collection: Collection, options: BulkWriteOptions) {
+    super(collection, options, false);
+  }
+
+  override handleWriteError(callback: Callback, writeResult: BulkWriteResult): boolean {
+    if (this.s.batches.length) {
+      return false;
+    }
+
+    return super.handleWriteError(callback, writeResult);
+  }
+
+  addToOperationsList(
+    batchType: BatchType,
+    document: Document | UpdateStatement | DeleteStatement
+  ): this {
+    // Get the bsonSize
+    const bsonSize = BSON.calculateObjectSize(document, {
+      checkKeys: false,
+
+      // Since we don't know what the user selected for BSON options here,
+      // err on the safe side, and check the size with ignoreUndefined: false.
+      ignoreUndefined: false
+    } as any);
+
+    // Throw error if the doc is bigger than the max BSON size
+    if (bsonSize >= this.s.maxBsonObjectSize) {
+      // TODO(NODE-3483): Change this to MongoBSONError
+      throw new MongoInvalidArgumentError(
+        `Document is larger than the maximum size ${this.s.maxBsonObjectSize}`
+      );
+    }
+
+    // Holds the current batch
+    this.s.currentBatch = undefined;
+    // Get the right type of batch
+    if (batchType === BatchType.INSERT) {
+      this.s.currentBatch = this.s.currentInsertBatch;
+    } else if (batchType === BatchType.UPDATE) {
+      this.s.currentBatch = this.s.currentUpdateBatch;
+    } else if (batchType === BatchType.DELETE) {
+      this.s.currentBatch = this.s.currentRemoveBatch;
+    }
+
+    const maxKeySize = this.s.maxKeySize;
+
+    // Create a new batch object if we don't have a current one
+    if (this.s.currentBatch == null) {
+      this.s.currentBatch = new Batch(batchType, this.s.currentIndex);
+    }
+
+    // Check if we need to create a new batch
+    if (
+      // New batch if we exceed the max batch op size
+      this.s.currentBatch.size + 1 >= this.s.maxWriteBatchSize ||
+      // New batch if we exceed the maxBatchSizeBytes. Only matters if batch already has a doc,
+      // since we can't sent an empty batch
+      (this.s.currentBatch.size > 0 &&
+        this.s.currentBatch.sizeBytes + maxKeySize + bsonSize >= this.s.maxBatchSizeBytes) ||
+      // New batch if the new op does not have the same op type as the current batch
+      this.s.currentBatch.batchType !== batchType
+    ) {
+      // Save the batch to the execution stack
+      this.s.batches.push(this.s.currentBatch);
+
+      // Create a new batch
+      this.s.currentBatch = new Batch(batchType, this.s.currentIndex);
+    }
+
+    // We have an array of documents
+    if (Array.isArray(document)) {
+      throw new MongoInvalidArgumentError('Operation passed in cannot be an Array');
+    }
+
+    this.s.currentBatch.operations.push(document);
+    this.s.currentBatch.originalIndexes.push(this.s.currentIndex);
+    this.s.currentIndex = this.s.currentIndex + 1;
+
+    // Save back the current Batch to the right type
+    if (batchType === BatchType.INSERT) {
+      this.s.currentInsertBatch = this.s.currentBatch;
+      this.s.bulkResult.insertedIds.push({
+        index: this.s.bulkResult.insertedIds.length,
+        _id: (document as Document)._id
+      });
+    } else if (batchType === BatchType.UPDATE) {
+      this.s.currentUpdateBatch = this.s.currentBatch;
+    } else if (batchType === BatchType.DELETE) {
+      this.s.currentRemoveBatch = this.s.currentBatch;
+    }
+
+    // Update current batch size
+    this.s.currentBatch.size += 1;
+    this.s.currentBatch.sizeBytes += maxKeySize + bsonSize;
+
+    return this;
+  }
+}
diff --git a/node_modules/mongodb/src/change_stream.ts b/node_modules/mongodb/src/change_stream.ts
new file mode 100644
index 000000000..e51f9adeb
--- /dev/null
+++ b/node_modules/mongodb/src/change_stream.ts
@@ -0,0 +1,964 @@
+import type { Readable } from 'stream';
+import { promisify } from 'util';
+
+import type { Binary, Document, Timestamp } from './bson';
+import { Collection } from './collection';
+import { CHANGE, CLOSE, END, ERROR, INIT, MORE, RESPONSE, RESUME_TOKEN_CHANGED } from './constants';
+import type { AbstractCursorEvents, CursorStreamOptions } from './cursor/abstract_cursor';
+import { ChangeStreamCursor, ChangeStreamCursorOptions } from './cursor/change_stream_cursor';
+import { Db } from './db';
+import {
+  AnyError,
+  isResumableError,
+  MongoAPIError,
+  MongoChangeStreamError,
+  MongoRuntimeError
+} from './error';
+import { MongoClient } from './mongo_client';
+import { InferIdType, TypedEventEmitter } from './mongo_types';
+import type { AggregateOptions } from './operations/aggregate';
+import type { CollationOptions, OperationParent } from './operations/command';
+import type { ReadPreference } from './read_preference';
+import type { ServerSessionId } from './sessions';
+import { Callback, filterOptions, getTopology, maybePromise, MongoDBNamespace } from './utils';
+
+/** @internal */
+const kCursorStream = Symbol('cursorStream');
+/** @internal */
+const kClosed = Symbol('closed');
+/** @internal */
+const kMode = Symbol('mode');
+
+const CHANGE_STREAM_OPTIONS = [
+  'resumeAfter',
+  'startAfter',
+  'startAtOperationTime',
+  'fullDocument',
+  'fullDocumentBeforeChange',
+  'showExpandedEvents'
+] as const;
+
+const CHANGE_DOMAIN_TYPES = {
+  COLLECTION: Symbol('Collection'),
+  DATABASE: Symbol('Database'),
+  CLUSTER: Symbol('Cluster')
+};
+
+const CHANGE_STREAM_EVENTS = [RESUME_TOKEN_CHANGED, END, CLOSE];
+
+const NO_RESUME_TOKEN_ERROR =
+  'A change stream document has been received that lacks a resume token (_id).';
+const CHANGESTREAM_CLOSED_ERROR = 'ChangeStream is closed';
+
+/**
+ * @public
+ * @deprecated Please use the ChangeStreamCursorOptions type instead.
+ */
+export interface ResumeOptions {
+  startAtOperationTime?: Timestamp;
+  batchSize?: number;
+  maxAwaitTimeMS?: number;
+  collation?: CollationOptions;
+  readPreference?: ReadPreference;
+  resumeAfter?: ResumeToken;
+  startAfter?: ResumeToken;
+  fullDocument?: string;
+}
+
+/**
+ * Represents the logical starting point for a new ChangeStream or resuming a ChangeStream on the server.
+ * @see https://www.mongodb.com/docs/manual/changeStreams/#std-label-change-stream-resume
+ * @public
+ */
+export type ResumeToken = unknown;
+
+/**
+ * Represents a specific point in time on a server. Can be retrieved by using `db.command()`
+ * @public
+ * @see https://docs.mongodb.com/manual/reference/method/db.runCommand/#response
+ */
+export type OperationTime = Timestamp;
+
+/** @public */
+export interface PipeOptions {
+  end?: boolean;
+}
+
+/**
+ * Options that can be passed to a ChangeStream. Note that startAfter, resumeAfter, and startAtOperationTime are all mutually exclusive, and the server will error if more than one is specified.
+ * @public
+ */
+export interface ChangeStreamOptions extends AggregateOptions {
+  /**
+   * Allowed values: 'updateLookup', 'whenAvailable', 'required'.
+   *
+   * When set to 'updateLookup', the change notification for partial updates
+   * will include both a delta describing the changes to the document as well
+   * as a copy of the entire document that was changed from some time after
+   * the change occurred.
+   *
+   * When set to 'whenAvailable', configures the change stream to return the
+   * post-image of the modified document for replace and update change events
+   * if the post-image for this event is available.
+   *
+   * When set to 'required', the same behavior as 'whenAvailable' except that
+   * an error is raised if the post-image is not available.
+   */
+  fullDocument?: string;
+
+  /**
+   * Allowed values: 'whenAvailable', 'required', 'off'.
+   *
+   * The default is to not send a value, which is equivalent to 'off'.
+   *
+   * When set to 'whenAvailable', configures the change stream to return the
+   * pre-image of the modified document for replace, update, and delete change
+   * events if it is available.
+   *
+   * When set to 'required', the same behavior as 'whenAvailable' except that
+   * an error is raised if the pre-image is not available.
+   */
+  fullDocumentBeforeChange?: string;
+  /** The maximum amount of time for the server to wait on new documents to satisfy a change stream query. */
+  maxAwaitTimeMS?: number;
+  /**
+   * Allows you to start a changeStream after a specified event.
+   * @see https://docs.mongodb.com/manual/changeStreams/#resumeafter-for-change-streams
+   */
+  resumeAfter?: ResumeToken;
+  /**
+   * Similar to resumeAfter, but will allow you to start after an invalidated event.
+   * @see https://docs.mongodb.com/manual/changeStreams/#startafter-for-change-streams
+   */
+  startAfter?: ResumeToken;
+  /** Will start the changeStream after the specified operationTime. */
+  startAtOperationTime?: OperationTime;
+  /**
+   * The number of documents to return per batch.
+   * @see https://docs.mongodb.com/manual/reference/command/aggregate
+   */
+  batchSize?: number;
+
+  /**
+   * When enabled, configures the change stream to include extra change events.
+   *
+   * - createIndexes
+   * - dropIndexes
+   * - modify
+   * - create
+   * - shardCollection
+   * - reshardCollection
+   * - refineCollectionShardKey
+   */
+  showExpandedEvents?: boolean;
+}
+
+/** @public */
+export interface ChangeStreamNameSpace {
+  db: string;
+  coll: string;
+}
+
+/** @public */
+export interface ChangeStreamDocumentKey<TSchema extends Document = Document> {
+  /**
+   * For unsharded collections this contains a single field `_id`.
+   * For sharded collections, this will contain all the components of the shard key
+   */
+  documentKey: { _id: InferIdType<TSchema>; [shardKey: string]: any };
+}
+
+/** @public */
+export interface ChangeStreamDocumentCommon {
+  /**
+   * The id functions as an opaque token for use when resuming an interrupted
+   * change stream.
+   */
+  _id: ResumeToken;
+  /**
+   * The timestamp from the oplog entry associated with the event.
+   * For events that happened as part of a multi-document transaction, the associated change stream
+   * notifications will have the same clusterTime value, namely the time when the transaction was committed.
+   * On a sharded cluster, events that occur on different shards can have the same clusterTime but be
+   * associated with different transactions or even not be associated with any transaction.
+   * To identify events for a single transaction, you can use the combination of lsid and txnNumber in the change stream event document.
+   */
+  clusterTime?: Timestamp;
+
+  /**
+   * The transaction number.
+   * Only present if the operation is part of a multi-document transaction.
+   *
+   * **NOTE:** txnNumber can be a Long if promoteLongs is set to false
+   */
+  txnNumber?: number;
+
+  /**
+   * The identifier for the session associated with the transaction.
+   * Only present if the operation is part of a multi-document transaction.
+   */
+  lsid?: ServerSessionId;
+}
+
+/** @public */
+export interface ChangeStreamDocumentCollectionUUID {
+  /**
+   * The UUID (Binary subtype 4) of the collection that the operation was performed on.
+   *
+   * Only present when the `showExpandedEvents` flag is enabled.
+   *
+   * **NOTE:** collectionUUID will be converted to a NodeJS Buffer if the promoteBuffers
+   *    flag is enabled.
+   *
+   * @sinceServerVersion 6.1.0
+   */
+  collectionUUID: Binary;
+}
+
+/** @public */
+export interface ChangeStreamDocumentOperationDescription {
+  /**
+   * An description of the operation.
+   *
+   * Only present when the `showExpandedEvents` flag is enabled.
+   *
+   * @sinceServerVersion 6.1.0
+   */
+  operationDescription?: Document;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#insert-event
+ */
+export interface ChangeStreamInsertDocument<TSchema extends Document = Document>
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentKey<TSchema>,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'insert';
+  /** This key will contain the document being inserted */
+  fullDocument: TSchema;
+  /** Namespace the insert event occured on */
+  ns: ChangeStreamNameSpace;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#update-event
+ */
+export interface ChangeStreamUpdateDocument<TSchema extends Document = Document>
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentKey<TSchema>,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'update';
+  /**
+   * This is only set if `fullDocument` is set to `'updateLookup'`
+   * Contains the point-in-time post-image of the modified document if the
+   * post-image is available and either 'required' or 'whenAvailable' was
+   * specified for the 'fullDocument' option when creating the change stream.
+   */
+  fullDocument?: TSchema;
+  /** Contains a description of updated and removed fields in this operation */
+  updateDescription: UpdateDescription<TSchema>;
+  /** Namespace the update event occured on */
+  ns: ChangeStreamNameSpace;
+  /**
+   * Contains the pre-image of the modified or deleted document if the
+   * pre-image is available for the change event and either 'required' or
+   * 'whenAvailable' was specified for the 'fullDocumentBeforeChange' option
+   * when creating the change stream. If 'whenAvailable' was specified but the
+   * pre-image is unavailable, this will be explicitly set to null.
+   */
+  fullDocumentBeforeChange?: TSchema;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#replace-event
+ */
+export interface ChangeStreamReplaceDocument<TSchema extends Document = Document>
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentKey<TSchema> {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'replace';
+  /** The fullDocument of a replace event represents the document after the insert of the replacement document */
+  fullDocument: TSchema;
+  /** Namespace the replace event occured on */
+  ns: ChangeStreamNameSpace;
+  /**
+   * Contains the pre-image of the modified or deleted document if the
+   * pre-image is available for the change event and either 'required' or
+   * 'whenAvailable' was specified for the 'fullDocumentBeforeChange' option
+   * when creating the change stream. If 'whenAvailable' was specified but the
+   * pre-image is unavailable, this will be explicitly set to null.
+   */
+  fullDocumentBeforeChange?: TSchema;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#delete-event
+ */
+export interface ChangeStreamDeleteDocument<TSchema extends Document = Document>
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentKey<TSchema>,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'delete';
+  /** Namespace the delete event occured on */
+  ns: ChangeStreamNameSpace;
+  /**
+   * Contains the pre-image of the modified or deleted document if the
+   * pre-image is available for the change event and either 'required' or
+   * 'whenAvailable' was specified for the 'fullDocumentBeforeChange' option
+   * when creating the change stream. If 'whenAvailable' was specified but the
+   * pre-image is unavailable, this will be explicitly set to null.
+   */
+  fullDocumentBeforeChange?: TSchema;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#drop-event
+ */
+export interface ChangeStreamDropDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'drop';
+  /** Namespace the drop event occured on */
+  ns: ChangeStreamNameSpace;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#rename-event
+ */
+export interface ChangeStreamRenameDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'rename';
+  /** The new name for the `ns.coll` collection */
+  to: { db: string; coll: string };
+  /** The "from" namespace that the rename occured on */
+  ns: ChangeStreamNameSpace;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#dropdatabase-event
+ */
+export interface ChangeStreamDropDatabaseDocument extends ChangeStreamDocumentCommon {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'dropDatabase';
+  /** The database dropped */
+  ns: { db: string };
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#invalidate-event
+ */
+export interface ChangeStreamInvalidateDocument extends ChangeStreamDocumentCommon {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'invalidate';
+}
+
+/**
+ * Only present when the `showExpandedEvents` flag is enabled.
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamCreateIndexDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID,
+    ChangeStreamDocumentOperationDescription {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'createIndexes';
+}
+
+/**
+ * Only present when the `showExpandedEvents` flag is enabled.
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamDropIndexDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID,
+    ChangeStreamDocumentOperationDescription {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'dropIndexes';
+}
+
+/**
+ * Only present when the `showExpandedEvents` flag is enabled.
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamCollModDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'modify';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamCreateDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'create';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamShardCollectionDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID,
+    ChangeStreamDocumentOperationDescription {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'shardCollection';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamReshardCollectionDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID,
+    ChangeStreamDocumentOperationDescription {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'reshardCollection';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamRefineCollectionShardKeyDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID,
+    ChangeStreamDocumentOperationDescription {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'refineCollectionShardKey';
+}
+
+/** @public */
+export type ChangeStreamDocument<TSchema extends Document = Document> =
+  | ChangeStreamInsertDocument<TSchema>
+  | ChangeStreamUpdateDocument<TSchema>
+  | ChangeStreamReplaceDocument<TSchema>
+  | ChangeStreamDeleteDocument<TSchema>
+  | ChangeStreamDropDocument
+  | ChangeStreamRenameDocument
+  | ChangeStreamDropDatabaseDocument
+  | ChangeStreamInvalidateDocument
+  | ChangeStreamCreateIndexDocument
+  | ChangeStreamCreateDocument
+  | ChangeStreamCollModDocument
+  | ChangeStreamDropIndexDocument
+  | ChangeStreamShardCollectionDocument
+  | ChangeStreamReshardCollectionDocument
+  | ChangeStreamRefineCollectionShardKeyDocument;
+
+/** @public */
+export interface UpdateDescription<TSchema extends Document = Document> {
+  /**
+   * A document containing key:value pairs of names of the fields that were
+   * changed, and the new value for those fields.
+   */
+  updatedFields?: Partial<TSchema>;
+
+  /**
+   * An array of field names that were removed from the document.
+   */
+  removedFields?: string[];
+
+  /**
+   * An array of documents which record array truncations performed with pipeline-based updates using one or more of the following stages:
+   * - $addFields
+   * - $set
+   * - $replaceRoot
+   * - $replaceWith
+   */
+  truncatedArrays?: Array<{
+    /** The name of the truncated field. */
+    field: string;
+    /** The number of elements in the truncated array. */
+    newSize: number;
+  }>;
+
+  /**
+   * A document containing additional information about any ambiguous update paths from the update event.  The document
+   * maps the full ambiguous update path to an array containing the actual resolved components of the path.  For example,
+   * given a document shaped like `{ a: { '0': 0 } }`, and an update of `{ $inc: 'a.0' }`, disambiguated paths would look like
+   * the following:
+   *
+   * ```
+   *   {
+   *     'a.0': ['a', '0']
+   *   }
+   * ```
+   *
+   * This field is only present when there are ambiguous paths that are updated as a part of the update event and `showExpandedEvents`
+   * is enabled for the change stream.
+   * @sinceServerVersion 6.1.0
+   * @experimental
+   */
+  disambiguatedPaths?: Document;
+}
+
+/** @public */
+export type ChangeStreamEvents<
+  TSchema extends Document = Document,
+  TChange extends Document = ChangeStreamDocument<TSchema>
+> = {
+  resumeTokenChanged(token: ResumeToken): void;
+  init(response: any): void;
+  more(response?: any): void;
+  response(): void;
+  end(): void;
+  error(error: Error): void;
+  change(change: TChange): void;
+} & AbstractCursorEvents;
+
+/**
+ * Creates a new Change Stream instance. Normally created using {@link Collection#watch|Collection.watch()}.
+ * @public
+ */
+export class ChangeStream<
+  TSchema extends Document = Document,
+  TChange extends Document = ChangeStreamDocument<TSchema>
+> extends TypedEventEmitter<ChangeStreamEvents<TSchema, TChange>> {
+  pipeline: Document[];
+  options: ChangeStreamOptions;
+  parent: MongoClient | Db | Collection;
+  namespace: MongoDBNamespace;
+  type: symbol;
+  /** @internal */
+  cursor: ChangeStreamCursor<TSchema, TChange>;
+  streamOptions?: CursorStreamOptions;
+  /** @internal */
+  [kCursorStream]?: Readable & AsyncIterable<TChange>;
+  /** @internal */
+  [kClosed]: boolean;
+  /** @internal */
+  [kMode]: false | 'iterator' | 'emitter';
+
+  /** @event */
+  static readonly RESPONSE = RESPONSE;
+  /** @event */
+  static readonly MORE = MORE;
+  /** @event */
+  static readonly INIT = INIT;
+  /** @event */
+  static readonly CLOSE = CLOSE;
+  /**
+   * Fired for each new matching change in the specified namespace. Attaching a `change`
+   * event listener to a Change Stream will switch the stream into flowing mode. Data will
+   * then be passed as soon as it is available.
+   * @event
+   */
+  static readonly CHANGE = CHANGE;
+  /** @event */
+  static readonly END = END;
+  /** @event */
+  static readonly ERROR = ERROR;
+  /**
+   * Emitted each time the change stream stores a new resume token.
+   * @event
+   */
+  static readonly RESUME_TOKEN_CHANGED = RESUME_TOKEN_CHANGED;
+
+  /**
+   * @internal
+   *
+   * @param parent - The parent object that created this change stream
+   * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents
+   */
+  constructor(
+    parent: OperationParent,
+    pipeline: Document[] = [],
+    options: ChangeStreamOptions = {}
+  ) {
+    super();
+
+    this.pipeline = pipeline;
+    this.options = options;
+
+    if (parent instanceof Collection) {
+      this.type = CHANGE_DOMAIN_TYPES.COLLECTION;
+    } else if (parent instanceof Db) {
+      this.type = CHANGE_DOMAIN_TYPES.DATABASE;
+    } else if (parent instanceof MongoClient) {
+      this.type = CHANGE_DOMAIN_TYPES.CLUSTER;
+    } else {
+      throw new MongoChangeStreamError(
+        'Parent provided to ChangeStream constructor must be an instance of Collection, Db, or MongoClient'
+      );
+    }
+
+    this.parent = parent;
+    this.namespace = parent.s.namespace;
+    if (!this.options.readPreference && parent.readPreference) {
+      this.options.readPreference = parent.readPreference;
+    }
+
+    // Create contained Change Stream cursor
+    this.cursor = this._createChangeStreamCursor(options);
+
+    this[kClosed] = false;
+    this[kMode] = false;
+
+    // Listen for any `change` listeners being added to ChangeStream
+    this.on('newListener', eventName => {
+      if (eventName === 'change' && this.cursor && this.listenerCount('change') === 0) {
+        this._streamEvents(this.cursor);
+      }
+    });
+
+    this.on('removeListener', eventName => {
+      if (eventName === 'change' && this.listenerCount('change') === 0 && this.cursor) {
+        this[kCursorStream]?.removeAllListeners('data');
+      }
+    });
+  }
+
+  /** @internal */
+  get cursorStream(): (Readable & AsyncIterable<TChange>) | undefined {
+    return this[kCursorStream];
+  }
+
+  /** The cached resume token that is used to resume after the most recently returned change. */
+  get resumeToken(): ResumeToken {
+    return this.cursor?.resumeToken;
+  }
+
+  /** Check if there is any document still available in the Change Stream */
+  hasNext(): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  hasNext(callback: Callback<boolean>): void;
+  hasNext(callback?: Callback): Promise<boolean> | void {
+    this._setIsIterator();
+    // TOOD(NODE-4319): Add eslint rule preventing accidental variable shadowing
+    // Shadowing is intentional here.  We want to override the `callback` variable
+    // from the outer scope so that the inner scope doesn't accidentally call the wrong callback.
+    return maybePromise(callback, callback => {
+      (async () => {
+        try {
+          const hasNext = await this.cursor.hasNext();
+          return hasNext;
+        } catch (error) {
+          try {
+            await this._processErrorIteratorMode(error);
+            const hasNext = await this.cursor.hasNext();
+            return hasNext;
+          } catch (error) {
+            await this.close().catch(err => err);
+            throw error;
+          }
+        }
+      })().then(
+        hasNext => callback(undefined, hasNext),
+        error => callback(error)
+      );
+    });
+  }
+
+  /** Get the next available document from the Change Stream. */
+  next(): Promise<TChange>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  next(callback: Callback<TChange>): void;
+  next(callback?: Callback<TChange>): Promise<TChange> | void {
+    this._setIsIterator();
+    // TOOD(NODE-4319): Add eslint rule preventing accidental variable shadowing
+    // Shadowing is intentional here.  We want to override the `callback` variable
+    // from the outer scope so that the inner scope doesn't accidentally call the wrong callback.
+    return maybePromise(callback, callback => {
+      (async () => {
+        try {
+          const change = await this.cursor.next();
+          const processedChange = this._processChange(change ?? null);
+          return processedChange;
+        } catch (error) {
+          try {
+            await this._processErrorIteratorMode(error);
+            const change = await this.cursor.next();
+            const processedChange = this._processChange(change ?? null);
+            return processedChange;
+          } catch (error) {
+            await this.close().catch(err => err);
+            throw error;
+          }
+        }
+      })().then(
+        change => callback(undefined, change),
+        error => callback(error)
+      );
+    });
+  }
+
+  /**
+   * Try to get the next available document from the Change Stream's cursor or `null` if an empty batch is returned
+   */
+  tryNext(): Promise<Document | null>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  tryNext(callback: Callback<Document | null>): void;
+  tryNext(callback?: Callback<Document | null>): Promise<Document | null> | void {
+    this._setIsIterator();
+    // TOOD(NODE-4319): Add eslint rule preventing accidental variable shadowing
+    // Shadowing is intentional here.  We want to override the `callback` variable
+    // from the outer scope so that the inner scope doesn't accidentally call the wrong callback.
+    return maybePromise(callback, callback => {
+      (async () => {
+        try {
+          const change = await this.cursor.tryNext();
+          return change ?? null;
+        } catch (error) {
+          try {
+            await this._processErrorIteratorMode(error);
+            const change = await this.cursor.tryNext();
+            return change ?? null;
+          } catch (error) {
+            await this.close().catch(err => err);
+            throw error;
+          }
+        }
+      })().then(
+        change => callback(undefined, change),
+        error => callback(error)
+      );
+    });
+  }
+
+  /** Is the cursor closed */
+  get closed(): boolean {
+    return this[kClosed] || this.cursor.closed;
+  }
+
+  /** Close the Change Stream */
+  close(): Promise<void>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  close(callback: Callback): void;
+  close(callback?: Callback): Promise<void> | void {
+    this[kClosed] = true;
+
+    return maybePromise(callback, cb => {
+      const cursor = this.cursor;
+      return cursor.close(err => {
+        this._endStream();
+        return cb(err);
+      });
+    });
+  }
+
+  /**
+   * Return a modified Readable stream including a possible transform method.
+   *
+   * NOTE: When using a Stream to process change stream events, the stream will
+   * NOT automatically resume in the case a resumable error is encountered.
+   *
+   * @throws MongoChangeStreamError if the underlying cursor or the change stream is closed
+   */
+  stream(options?: CursorStreamOptions): Readable & AsyncIterable<TChange> {
+    if (this.closed) {
+      throw new MongoChangeStreamError(CHANGESTREAM_CLOSED_ERROR);
+    }
+
+    this.streamOptions = options;
+    return this.cursor.stream(options);
+  }
+
+  /** @internal */
+  private _setIsEmitter(): void {
+    if (this[kMode] === 'iterator') {
+      // TODO(NODE-3485): Replace with MongoChangeStreamModeError
+      throw new MongoAPIError(
+        'ChangeStream cannot be used as an EventEmitter after being used as an iterator'
+      );
+    }
+    this[kMode] = 'emitter';
+  }
+
+  /** @internal */
+  private _setIsIterator(): void {
+    if (this[kMode] === 'emitter') {
+      // TODO(NODE-3485): Replace with MongoChangeStreamModeError
+      throw new MongoAPIError(
+        'ChangeStream cannot be used as an iterator after being used as an EventEmitter'
+      );
+    }
+    this[kMode] = 'iterator';
+  }
+
+  /**
+   * Create a new change stream cursor based on self's configuration
+   * @internal
+   */
+  private _createChangeStreamCursor(
+    options: ChangeStreamOptions | ChangeStreamCursorOptions
+  ): ChangeStreamCursor<TSchema, TChange> {
+    const changeStreamStageOptions = filterOptions(options, CHANGE_STREAM_OPTIONS);
+    if (this.type === CHANGE_DOMAIN_TYPES.CLUSTER) {
+      changeStreamStageOptions.allChangesForCluster = true;
+    }
+    const pipeline = [{ $changeStream: changeStreamStageOptions }, ...this.pipeline];
+
+    const client: MongoClient | null =
+      this.type === CHANGE_DOMAIN_TYPES.CLUSTER
+        ? (this.parent as MongoClient)
+        : this.type === CHANGE_DOMAIN_TYPES.DATABASE
+        ? (this.parent as Db).s.client
+        : this.type === CHANGE_DOMAIN_TYPES.COLLECTION
+        ? (this.parent as Collection).s.db.s.client
+        : null;
+
+    if (client == null) {
+      // This should never happen because of the assertion in the constructor
+      throw new MongoRuntimeError(
+        `Changestream type should only be one of cluster, database, collection. Found ${this.type.toString()}`
+      );
+    }
+
+    const changeStreamCursor = new ChangeStreamCursor<TSchema, TChange>(
+      client,
+      this.namespace,
+      pipeline,
+      options
+    );
+
+    for (const event of CHANGE_STREAM_EVENTS) {
+      changeStreamCursor.on(event, e => this.emit(event, e));
+    }
+
+    if (this.listenerCount(ChangeStream.CHANGE) > 0) {
+      this._streamEvents(changeStreamCursor);
+    }
+
+    return changeStreamCursor;
+  }
+
+  /** @internal */
+  private _closeEmitterModeWithError(error: AnyError): void {
+    this.emit(ChangeStream.ERROR, error);
+
+    this.close(() => {
+      // nothing to do
+    });
+  }
+
+  /** @internal */
+  private _streamEvents(cursor: ChangeStreamCursor<TSchema, TChange>): void {
+    this._setIsEmitter();
+    const stream = this[kCursorStream] ?? cursor.stream();
+    this[kCursorStream] = stream;
+    stream.on('data', change => {
+      try {
+        const processedChange = this._processChange(change);
+        this.emit(ChangeStream.CHANGE, processedChange);
+      } catch (error) {
+        this.emit(ChangeStream.ERROR, error);
+      }
+    });
+    stream.on('error', error => this._processErrorStreamMode(error));
+  }
+
+  /** @internal */
+  private _endStream(): void {
+    const cursorStream = this[kCursorStream];
+    if (cursorStream) {
+      ['data', 'close', 'end', 'error'].forEach(event => cursorStream.removeAllListeners(event));
+      cursorStream.destroy();
+    }
+
+    this[kCursorStream] = undefined;
+  }
+
+  /** @internal */
+  private _processChange(change: TChange | null): TChange {
+    if (this[kClosed]) {
+      // TODO(NODE-3485): Replace with MongoChangeStreamClosedError
+      throw new MongoAPIError(CHANGESTREAM_CLOSED_ERROR);
+    }
+
+    // a null change means the cursor has been notified, implicitly closing the change stream
+    if (change == null) {
+      // TODO(NODE-3485): Replace with MongoChangeStreamClosedError
+      throw new MongoRuntimeError(CHANGESTREAM_CLOSED_ERROR);
+    }
+
+    if (change && !change._id) {
+      throw new MongoChangeStreamError(NO_RESUME_TOKEN_ERROR);
+    }
+
+    // cache the resume token
+    this.cursor.cacheResumeToken(change._id);
+
+    // wipe the startAtOperationTime if there was one so that there won't be a conflict
+    // between resumeToken and startAtOperationTime if we need to reconnect the cursor
+    this.options.startAtOperationTime = undefined;
+
+    return change;
+  }
+
+  /** @internal */
+  private _processErrorStreamMode(changeStreamError: AnyError) {
+    // If the change stream has been closed explicitly, do not process error.
+    if (this[kClosed]) return;
+
+    if (isResumableError(changeStreamError, this.cursor.maxWireVersion)) {
+      this._endStream();
+      this.cursor.close().catch(() => null);
+
+      const topology = getTopology(this.parent);
+      topology.selectServer(this.cursor.readPreference, {}, serverSelectionError => {
+        if (serverSelectionError) return this._closeEmitterModeWithError(changeStreamError);
+        this.cursor = this._createChangeStreamCursor(this.cursor.resumeOptions);
+      });
+    } else {
+      this._closeEmitterModeWithError(changeStreamError);
+    }
+  }
+
+  /**
+   * @internal
+   *
+   * TODO(NODE-4320): promisify selectServer and refactor this code to be async
+   *
+   * we promisify _processErrorIteratorModeCallback until we have a promisifed version of selectServer.
+   */
+  // eslint-disable-next-line @typescript-eslint/unbound-method
+  private _processErrorIteratorMode = promisify(this._processErrorIteratorModeCallback);
+
+  /** @internal */
+  private _processErrorIteratorModeCallback(changeStreamError: AnyError, callback: Callback) {
+    if (this[kClosed]) {
+      // TODO(NODE-3485): Replace with MongoChangeStreamClosedError
+      return callback(new MongoAPIError(CHANGESTREAM_CLOSED_ERROR));
+    }
+
+    if (isResumableError(changeStreamError, this.cursor.maxWireVersion)) {
+      this.cursor.close().catch(() => null);
+
+      const topology = getTopology(this.parent);
+      topology.selectServer(this.cursor.readPreference, {}, serverSelectionError => {
+        // if the topology can't reconnect, close the stream
+        if (serverSelectionError) return this.close(() => callback(changeStreamError));
+
+        this.cursor = this._createChangeStreamCursor(this.cursor.resumeOptions);
+        callback();
+      });
+    } else {
+      this.close(() => callback(changeStreamError));
+    }
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/auth/auth_provider.ts b/node_modules/mongodb/src/cmap/auth/auth_provider.ts
new file mode 100644
index 000000000..2a38abe9b
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/auth/auth_provider.ts
@@ -0,0 +1,60 @@
+import type { Document } from '../../bson';
+import { MongoRuntimeError } from '../../error';
+import type { Callback, ClientMetadataOptions } from '../../utils';
+import type { HandshakeDocument } from '../connect';
+import type { Connection, ConnectionOptions } from '../connection';
+import type { MongoCredentials } from './mongo_credentials';
+
+export type AuthContextOptions = ConnectionOptions & ClientMetadataOptions;
+
+/** Context used during authentication */
+export class AuthContext {
+  /** The connection to authenticate */
+  connection: Connection;
+  /** The credentials to use for authentication */
+  credentials?: MongoCredentials;
+  /** The options passed to the `connect` method */
+  options: AuthContextOptions;
+
+  /** A response from an initial auth attempt, only some mechanisms use this (e.g, SCRAM) */
+  response?: Document;
+  /** A random nonce generated for use in an authentication conversation */
+  nonce?: Buffer;
+
+  constructor(
+    connection: Connection,
+    credentials: MongoCredentials | undefined,
+    options: AuthContextOptions
+  ) {
+    this.connection = connection;
+    this.credentials = credentials;
+    this.options = options;
+  }
+}
+
+export class AuthProvider {
+  /**
+   * Prepare the handshake document before the initial handshake.
+   *
+   * @param handshakeDoc - The document used for the initial handshake on a connection
+   * @param authContext - Context for authentication flow
+   */
+  prepare(
+    handshakeDoc: HandshakeDocument,
+    authContext: AuthContext,
+    callback: Callback<HandshakeDocument>
+  ): void {
+    callback(undefined, handshakeDoc);
+  }
+
+  /**
+   * Authenticate
+   *
+   * @param context - A shared context for authentication flow
+   * @param callback - The callback to return the result from the authentication
+   */
+  auth(context: AuthContext, callback: Callback): void {
+    // TODO(NODE-3483): Replace this with MongoMethodOverrideError
+    callback(new MongoRuntimeError('`auth` method must be overridden by subclass'));
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/auth/gssapi.ts b/node_modules/mongodb/src/cmap/auth/gssapi.ts
new file mode 100644
index 000000000..689d6e951
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/auth/gssapi.ts
@@ -0,0 +1,241 @@
+import * as dns from 'dns';
+
+import type { Document } from '../../bson';
+import { Kerberos, KerberosClient } from '../../deps';
+import {
+  MongoError,
+  MongoInvalidArgumentError,
+  MongoMissingCredentialsError,
+  MongoMissingDependencyError,
+  MongoRuntimeError
+} from '../../error';
+import { Callback, ns } from '../../utils';
+import { AuthContext, AuthProvider } from './auth_provider';
+
+/** @public */
+export const GSSAPICanonicalizationValue = Object.freeze({
+  on: true,
+  off: false,
+  none: 'none',
+  forward: 'forward',
+  forwardAndReverse: 'forwardAndReverse'
+} as const);
+
+/** @public */
+export type GSSAPICanonicalizationValue =
+  typeof GSSAPICanonicalizationValue[keyof typeof GSSAPICanonicalizationValue];
+
+type MechanismProperties = {
+  /** @deprecated use `CANONICALIZE_HOST_NAME` instead */
+  gssapiCanonicalizeHostName?: boolean;
+  CANONICALIZE_HOST_NAME?: GSSAPICanonicalizationValue;
+  SERVICE_HOST?: string;
+  SERVICE_NAME?: string;
+  SERVICE_REALM?: string;
+};
+
+export class GSSAPI extends AuthProvider {
+  override auth(authContext: AuthContext, callback: Callback): void {
+    const { connection, credentials } = authContext;
+    if (credentials == null)
+      return callback(
+        new MongoMissingCredentialsError('Credentials required for GSSAPI authentication')
+      );
+    const { username } = credentials;
+    function externalCommand(
+      command: Document,
+      cb: Callback<{ payload: string; conversationId: any }>
+    ) {
+      return connection.command(ns('$external.$cmd'), command, undefined, cb);
+    }
+    makeKerberosClient(authContext, (err, client) => {
+      if (err) return callback(err);
+      if (client == null) return callback(new MongoMissingDependencyError('GSSAPI client missing'));
+      client.step('', (err, payload) => {
+        if (err) return callback(err);
+
+        externalCommand(saslStart(payload), (err, result) => {
+          if (err) return callback(err);
+          if (result == null) return callback();
+          negotiate(client, 10, result.payload, (err, payload) => {
+            if (err) return callback(err);
+
+            externalCommand(saslContinue(payload, result.conversationId), (err, result) => {
+              if (err) return callback(err);
+              if (result == null) return callback();
+              finalize(client, username, result.payload, (err, payload) => {
+                if (err) return callback(err);
+
+                externalCommand(
+                  {
+                    saslContinue: 1,
+                    conversationId: result.conversationId,
+                    payload
+                  },
+                  (err, result) => {
+                    if (err) return callback(err);
+
+                    callback(undefined, result);
+                  }
+                );
+              });
+            });
+          });
+        });
+      });
+    });
+  }
+}
+
+function makeKerberosClient(authContext: AuthContext, callback: Callback<KerberosClient>): void {
+  const { hostAddress } = authContext.options;
+  const { credentials } = authContext;
+  if (!hostAddress || typeof hostAddress.host !== 'string' || !credentials) {
+    return callback(
+      new MongoInvalidArgumentError('Connection must have host and port and credentials defined.')
+    );
+  }
+
+  if ('kModuleError' in Kerberos) {
+    return callback(Kerberos['kModuleError']);
+  }
+  const { initializeClient } = Kerberos;
+
+  const { username, password } = credentials;
+  const mechanismProperties = credentials.mechanismProperties as MechanismProperties;
+
+  const serviceName = mechanismProperties.SERVICE_NAME ?? 'mongodb';
+
+  performGSSAPICanonicalizeHostName(
+    hostAddress.host,
+    mechanismProperties,
+    (err?: Error | MongoError, host?: string) => {
+      if (err) return callback(err);
+
+      const initOptions = {};
+      if (password != null) {
+        Object.assign(initOptions, { user: username, password: password });
+      }
+
+      const spnHost = mechanismProperties.SERVICE_HOST ?? host;
+      let spn = `${serviceName}${process.platform === 'win32' ? '/' : '@'}${spnHost}`;
+      if ('SERVICE_REALM' in mechanismProperties) {
+        spn = `${spn}@${mechanismProperties.SERVICE_REALM}`;
+      }
+
+      initializeClient(spn, initOptions, (err: string, client: KerberosClient): void => {
+        // TODO(NODE-3483)
+        if (err) return callback(new MongoRuntimeError(err));
+        callback(undefined, client);
+      });
+    }
+  );
+}
+
+function saslStart(payload?: string): Document {
+  return {
+    saslStart: 1,
+    mechanism: 'GSSAPI',
+    payload,
+    autoAuthorize: 1
+  };
+}
+
+function saslContinue(payload?: string, conversationId?: number): Document {
+  return {
+    saslContinue: 1,
+    conversationId,
+    payload
+  };
+}
+
+function negotiate(
+  client: KerberosClient,
+  retries: number,
+  payload: string,
+  callback: Callback<string>
+): void {
+  client.step(payload, (err, response) => {
+    // Retries exhausted, raise error
+    if (err && retries === 0) return callback(err);
+
+    // Adjust number of retries and call step again
+    if (err) return negotiate(client, retries - 1, payload, callback);
+
+    // Return the payload
+    callback(undefined, response || '');
+  });
+}
+
+function finalize(
+  client: KerberosClient,
+  user: string,
+  payload: string,
+  callback: Callback<string>
+): void {
+  // GSS Client Unwrap
+  client.unwrap(payload, (err, response) => {
+    if (err) return callback(err);
+
+    // Wrap the response
+    client.wrap(response || '', { user }, (err, wrapped) => {
+      if (err) return callback(err);
+
+      // Return the payload
+      callback(undefined, wrapped);
+    });
+  });
+}
+
+export function performGSSAPICanonicalizeHostName(
+  host: string,
+  mechanismProperties: MechanismProperties,
+  callback: Callback<string>
+): void {
+  const mode = mechanismProperties.CANONICALIZE_HOST_NAME;
+  if (!mode || mode === GSSAPICanonicalizationValue.none) {
+    return callback(undefined, host);
+  }
+
+  // If forward and reverse or true
+  if (
+    mode === GSSAPICanonicalizationValue.on ||
+    mode === GSSAPICanonicalizationValue.forwardAndReverse
+  ) {
+    // Perform the lookup of the ip address.
+    dns.lookup(host, (error, address) => {
+      // No ip found, return the error.
+      if (error) return callback(error);
+
+      // Perform a reverse ptr lookup on the ip address.
+      dns.resolvePtr(address, (err, results) => {
+        // This can error as ptr records may not exist for all ips. In this case
+        // fallback to a cname lookup as dns.lookup() does not return the
+        // cname.
+        if (err) {
+          return resolveCname(host, callback);
+        }
+        // If the ptr did not error but had no results, return the host.
+        callback(undefined, results.length > 0 ? results[0] : host);
+      });
+    });
+  } else {
+    // The case for forward is just to resolve the cname as dns.lookup()
+    // will not return it.
+    resolveCname(host, callback);
+  }
+}
+
+export function resolveCname(host: string, callback: Callback<string>): void {
+  // Attempt to resolve the host name
+  dns.resolveCname(host, (err, r) => {
+    if (err) return callback(undefined, host);
+
+    // Get the first resolve host id
+    if (r.length > 0) {
+      return callback(undefined, r[0]);
+    }
+
+    callback(undefined, host);
+  });
+}
diff --git a/node_modules/mongodb/src/cmap/auth/mongo_credentials.ts b/node_modules/mongodb/src/cmap/auth/mongo_credentials.ts
new file mode 100644
index 000000000..2c964c311
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/auth/mongo_credentials.ts
@@ -0,0 +1,190 @@
+// Resolves the default auth mechanism according to
+import type { Document } from '../../bson';
+import { MongoAPIError, MongoMissingCredentialsError } from '../../error';
+import { emitWarningOnce } from '../../utils';
+import { GSSAPICanonicalizationValue } from './gssapi';
+import { AUTH_MECHS_AUTH_SRC_EXTERNAL, AuthMechanism } from './providers';
+
+// https://github.com/mongodb/specifications/blob/master/source/auth/auth.rst
+function getDefaultAuthMechanism(hello?: Document): AuthMechanism {
+  if (hello) {
+    // If hello contains saslSupportedMechs, use scram-sha-256
+    // if it is available, else scram-sha-1
+    if (Array.isArray(hello.saslSupportedMechs)) {
+      return hello.saslSupportedMechs.includes(AuthMechanism.MONGODB_SCRAM_SHA256)
+        ? AuthMechanism.MONGODB_SCRAM_SHA256
+        : AuthMechanism.MONGODB_SCRAM_SHA1;
+    }
+
+    // Fallback to legacy selection method. If wire version >= 3, use scram-sha-1
+    if (hello.maxWireVersion >= 3) {
+      return AuthMechanism.MONGODB_SCRAM_SHA1;
+    }
+  }
+
+  // Default for wireprotocol < 3
+  return AuthMechanism.MONGODB_CR;
+}
+
+/** @public */
+export interface AuthMechanismProperties extends Document {
+  SERVICE_HOST?: string;
+  SERVICE_NAME?: string;
+  SERVICE_REALM?: string;
+  CANONICALIZE_HOST_NAME?: GSSAPICanonicalizationValue;
+  AWS_SESSION_TOKEN?: string;
+}
+
+/** @public */
+export interface MongoCredentialsOptions {
+  username: string;
+  password: string;
+  source: string;
+  db?: string;
+  mechanism?: AuthMechanism;
+  mechanismProperties: AuthMechanismProperties;
+}
+
+/**
+ * A representation of the credentials used by MongoDB
+ * @public
+ */
+export class MongoCredentials {
+  /** The username used for authentication */
+  readonly username: string;
+  /** The password used for authentication */
+  readonly password: string;
+  /** The database that the user should authenticate against */
+  readonly source: string;
+  /** The method used to authenticate */
+  readonly mechanism: AuthMechanism;
+  /** Special properties used by some types of auth mechanisms */
+  readonly mechanismProperties: AuthMechanismProperties;
+
+  constructor(options: MongoCredentialsOptions) {
+    this.username = options.username;
+    this.password = options.password;
+    this.source = options.source;
+    if (!this.source && options.db) {
+      this.source = options.db;
+    }
+    this.mechanism = options.mechanism || AuthMechanism.MONGODB_DEFAULT;
+    this.mechanismProperties = options.mechanismProperties || {};
+
+    if (this.mechanism.match(/MONGODB-AWS/i)) {
+      if (!this.username && process.env.AWS_ACCESS_KEY_ID) {
+        this.username = process.env.AWS_ACCESS_KEY_ID;
+      }
+
+      if (!this.password && process.env.AWS_SECRET_ACCESS_KEY) {
+        this.password = process.env.AWS_SECRET_ACCESS_KEY;
+      }
+
+      if (
+        this.mechanismProperties.AWS_SESSION_TOKEN == null &&
+        process.env.AWS_SESSION_TOKEN != null
+      ) {
+        this.mechanismProperties = {
+          ...this.mechanismProperties,
+          AWS_SESSION_TOKEN: process.env.AWS_SESSION_TOKEN
+        };
+      }
+    }
+
+    if ('gssapiCanonicalizeHostName' in this.mechanismProperties) {
+      emitWarningOnce(
+        'gssapiCanonicalizeHostName is deprecated. Please use CANONICALIZE_HOST_NAME instead.'
+      );
+      this.mechanismProperties.CANONICALIZE_HOST_NAME =
+        this.mechanismProperties.gssapiCanonicalizeHostName;
+    }
+
+    Object.freeze(this.mechanismProperties);
+    Object.freeze(this);
+  }
+
+  /** Determines if two MongoCredentials objects are equivalent */
+  equals(other: MongoCredentials): boolean {
+    return (
+      this.mechanism === other.mechanism &&
+      this.username === other.username &&
+      this.password === other.password &&
+      this.source === other.source
+    );
+  }
+
+  /**
+   * If the authentication mechanism is set to "default", resolves the authMechanism
+   * based on the server version and server supported sasl mechanisms.
+   *
+   * @param hello - A hello response from the server
+   */
+  resolveAuthMechanism(hello?: Document): MongoCredentials {
+    // If the mechanism is not "default", then it does not need to be resolved
+    if (this.mechanism.match(/DEFAULT/i)) {
+      return new MongoCredentials({
+        username: this.username,
+        password: this.password,
+        source: this.source,
+        mechanism: getDefaultAuthMechanism(hello),
+        mechanismProperties: this.mechanismProperties
+      });
+    }
+
+    return this;
+  }
+
+  validate(): void {
+    if (
+      (this.mechanism === AuthMechanism.MONGODB_GSSAPI ||
+        this.mechanism === AuthMechanism.MONGODB_CR ||
+        this.mechanism === AuthMechanism.MONGODB_PLAIN ||
+        this.mechanism === AuthMechanism.MONGODB_SCRAM_SHA1 ||
+        this.mechanism === AuthMechanism.MONGODB_SCRAM_SHA256) &&
+      !this.username
+    ) {
+      throw new MongoMissingCredentialsError(`Username required for mechanism '${this.mechanism}'`);
+    }
+
+    if (AUTH_MECHS_AUTH_SRC_EXTERNAL.has(this.mechanism)) {
+      if (this.source != null && this.source !== '$external') {
+        // TODO(NODE-3485): Replace this with a MongoAuthValidationError
+        throw new MongoAPIError(
+          `Invalid source '${this.source}' for mechanism '${this.mechanism}' specified.`
+        );
+      }
+    }
+
+    if (this.mechanism === AuthMechanism.MONGODB_PLAIN && this.source == null) {
+      // TODO(NODE-3485): Replace this with a MongoAuthValidationError
+      throw new MongoAPIError('PLAIN Authentication Mechanism needs an auth source');
+    }
+
+    if (this.mechanism === AuthMechanism.MONGODB_X509 && this.password != null) {
+      if (this.password === '') {
+        Reflect.set(this, 'password', undefined);
+        return;
+      }
+      // TODO(NODE-3485): Replace this with a MongoAuthValidationError
+      throw new MongoAPIError(`Password not allowed for mechanism MONGODB-X509`);
+    }
+
+    const canonicalization = this.mechanismProperties.CANONICALIZE_HOST_NAME ?? false;
+    if (!Object.values(GSSAPICanonicalizationValue).includes(canonicalization)) {
+      throw new MongoAPIError(`Invalid CANONICALIZE_HOST_NAME value: ${canonicalization}`);
+    }
+  }
+
+  static merge(
+    creds: MongoCredentials | undefined,
+    options: Partial<MongoCredentialsOptions>
+  ): MongoCredentials {
+    return new MongoCredentials({
+      username: options.username ?? creds?.username ?? '',
+      password: options.password ?? creds?.password ?? '',
+      mechanism: options.mechanism ?? creds?.mechanism ?? AuthMechanism.MONGODB_DEFAULT,
+      mechanismProperties: options.mechanismProperties ?? creds?.mechanismProperties ?? {},
+      source: options.source ?? options.db ?? creds?.source ?? 'admin'
+    });
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/auth/mongocr.ts b/node_modules/mongodb/src/cmap/auth/mongocr.ts
new file mode 100644
index 000000000..232378f0d
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/auth/mongocr.ts
@@ -0,0 +1,47 @@
+import * as crypto from 'crypto';
+
+import { MongoMissingCredentialsError } from '../../error';
+import { Callback, ns } from '../../utils';
+import { AuthContext, AuthProvider } from './auth_provider';
+
+export class MongoCR extends AuthProvider {
+  override auth(authContext: AuthContext, callback: Callback): void {
+    const { connection, credentials } = authContext;
+    if (!credentials) {
+      return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    const username = credentials.username;
+    const password = credentials.password;
+    const source = credentials.source;
+    connection.command(ns(`${source}.$cmd`), { getnonce: 1 }, undefined, (err, r) => {
+      let nonce = null;
+      let key = null;
+
+      // Get nonce
+      if (err == null) {
+        nonce = r.nonce;
+
+        // Use node md5 generator
+        let md5 = crypto.createHash('md5');
+
+        // Generate keys used for authentication
+        md5.update(`${username}:mongo:${password}`, 'utf8');
+        const hash_password = md5.digest('hex');
+
+        // Final key
+        md5 = crypto.createHash('md5');
+        md5.update(nonce + username + hash_password, 'utf8');
+        key = md5.digest('hex');
+      }
+
+      const authenticateCommand = {
+        authenticate: 1,
+        user: username,
+        nonce,
+        key
+      };
+
+      connection.command(ns(`${source}.$cmd`), authenticateCommand, undefined, callback);
+    });
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/auth/mongodb_aws.ts b/node_modules/mongodb/src/cmap/auth/mongodb_aws.ts
new file mode 100644
index 000000000..3136dc879
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/auth/mongodb_aws.ts
@@ -0,0 +1,293 @@
+import * as crypto from 'crypto';
+import * as http from 'http';
+import * as url from 'url';
+
+import type { Binary, BSONSerializeOptions } from '../../bson';
+import * as BSON from '../../bson';
+import { aws4 } from '../../deps';
+import {
+  MongoAWSError,
+  MongoCompatibilityError,
+  MongoMissingCredentialsError,
+  MongoRuntimeError
+} from '../../error';
+import { Callback, maxWireVersion, ns } from '../../utils';
+import { AuthContext, AuthProvider } from './auth_provider';
+import { MongoCredentials } from './mongo_credentials';
+import { AuthMechanism } from './providers';
+
+const ASCII_N = 110;
+const AWS_RELATIVE_URI = 'http://169.254.170.2';
+const AWS_EC2_URI = 'http://169.254.169.254';
+const AWS_EC2_PATH = '/latest/meta-data/iam/security-credentials';
+const bsonOptions: BSONSerializeOptions = {
+  promoteLongs: true,
+  promoteValues: true,
+  promoteBuffers: false,
+  bsonRegExp: false
+};
+
+interface AWSSaslContinuePayload {
+  a: string;
+  d: string;
+  t?: string;
+}
+
+export class MongoDBAWS extends AuthProvider {
+  override auth(authContext: AuthContext, callback: Callback): void {
+    const { connection, credentials } = authContext;
+    if (!credentials) {
+      return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+
+    if ('kModuleError' in aws4) {
+      return callback(aws4['kModuleError']);
+    }
+    const { sign } = aws4;
+
+    if (maxWireVersion(connection) < 9) {
+      callback(
+        new MongoCompatibilityError(
+          'MONGODB-AWS authentication requires MongoDB version 4.4 or later'
+        )
+      );
+      return;
+    }
+
+    if (!credentials.username) {
+      makeTempCredentials(credentials, (err, tempCredentials) => {
+        if (err || !tempCredentials) return callback(err);
+
+        authContext.credentials = tempCredentials;
+        this.auth(authContext, callback);
+      });
+
+      return;
+    }
+
+    const accessKeyId = credentials.username;
+    const secretAccessKey = credentials.password;
+    const sessionToken = credentials.mechanismProperties.AWS_SESSION_TOKEN;
+
+    // If all three defined, include sessionToken, else include username and pass, else no credentials
+    const awsCredentials =
+      accessKeyId && secretAccessKey && sessionToken
+        ? { accessKeyId, secretAccessKey, sessionToken }
+        : accessKeyId && secretAccessKey
+        ? { accessKeyId, secretAccessKey }
+        : undefined;
+
+    const db = credentials.source;
+    crypto.randomBytes(32, (err, nonce) => {
+      if (err) {
+        callback(err);
+        return;
+      }
+
+      const saslStart = {
+        saslStart: 1,
+        mechanism: 'MONGODB-AWS',
+        payload: BSON.serialize({ r: nonce, p: ASCII_N }, bsonOptions)
+      };
+
+      connection.command(ns(`${db}.$cmd`), saslStart, undefined, (err, res) => {
+        if (err) return callback(err);
+
+        const serverResponse = BSON.deserialize(res.payload.buffer, bsonOptions) as {
+          s: Binary;
+          h: string;
+        };
+        const host = serverResponse.h;
+        const serverNonce = serverResponse.s.buffer;
+        if (serverNonce.length !== 64) {
+          callback(
+            // TODO(NODE-3483)
+            new MongoRuntimeError(`Invalid server nonce length ${serverNonce.length}, expected 64`)
+          );
+
+          return;
+        }
+
+        if (serverNonce.compare(nonce, 0, nonce.length, 0, nonce.length) !== 0) {
+          // TODO(NODE-3483)
+          callback(new MongoRuntimeError('Server nonce does not begin with client nonce'));
+          return;
+        }
+
+        if (host.length < 1 || host.length > 255 || host.indexOf('..') !== -1) {
+          // TODO(NODE-3483)
+          callback(new MongoRuntimeError(`Server returned an invalid host: "${host}"`));
+          return;
+        }
+
+        const body = 'Action=GetCallerIdentity&Version=2011-06-15';
+        const options = sign(
+          {
+            method: 'POST',
+            host,
+            region: deriveRegion(serverResponse.h),
+            service: 'sts',
+            headers: {
+              'Content-Type': 'application/x-www-form-urlencoded',
+              'Content-Length': body.length,
+              'X-MongoDB-Server-Nonce': serverNonce.toString('base64'),
+              'X-MongoDB-GS2-CB-Flag': 'n'
+            },
+            path: '/',
+            body
+          },
+          awsCredentials
+        );
+
+        const payload: AWSSaslContinuePayload = {
+          a: options.headers.Authorization,
+          d: options.headers['X-Amz-Date']
+        };
+        if (sessionToken) {
+          payload.t = sessionToken;
+        }
+
+        const saslContinue = {
+          saslContinue: 1,
+          conversationId: 1,
+          payload: BSON.serialize(payload, bsonOptions)
+        };
+
+        connection.command(ns(`${db}.$cmd`), saslContinue, undefined, callback);
+      });
+    });
+  }
+}
+
+interface AWSTempCredentials {
+  AccessKeyId?: string;
+  SecretAccessKey?: string;
+  Token?: string;
+  RoleArn?: string;
+  Expiration?: Date;
+}
+
+function makeTempCredentials(credentials: MongoCredentials, callback: Callback<MongoCredentials>) {
+  function done(creds: AWSTempCredentials) {
+    if (!creds.AccessKeyId || !creds.SecretAccessKey || !creds.Token) {
+      callback(
+        new MongoMissingCredentialsError('Could not obtain temporary MONGODB-AWS credentials')
+      );
+      return;
+    }
+
+    callback(
+      undefined,
+      new MongoCredentials({
+        username: creds.AccessKeyId,
+        password: creds.SecretAccessKey,
+        source: credentials.source,
+        mechanism: AuthMechanism.MONGODB_AWS,
+        mechanismProperties: {
+          AWS_SESSION_TOKEN: creds.Token
+        }
+      })
+    );
+  }
+
+  // If the environment variable AWS_CONTAINER_CREDENTIALS_RELATIVE_URI
+  // is set then drivers MUST assume that it was set by an AWS ECS agent
+  if (process.env.AWS_CONTAINER_CREDENTIALS_RELATIVE_URI) {
+    request(
+      `${AWS_RELATIVE_URI}${process.env.AWS_CONTAINER_CREDENTIALS_RELATIVE_URI}`,
+      undefined,
+      (err, res) => {
+        if (err) return callback(err);
+        done(res);
+      }
+    );
+
+    return;
+  }
+
+  // Otherwise assume we are on an EC2 instance
+
+  // get a token
+  request(
+    `${AWS_EC2_URI}/latest/api/token`,
+    { method: 'PUT', json: false, headers: { 'X-aws-ec2-metadata-token-ttl-seconds': 30 } },
+    (err, token) => {
+      if (err) return callback(err);
+
+      // get role name
+      request(
+        `${AWS_EC2_URI}/${AWS_EC2_PATH}`,
+        { json: false, headers: { 'X-aws-ec2-metadata-token': token } },
+        (err, roleName) => {
+          if (err) return callback(err);
+
+          // get temp credentials
+          request(
+            `${AWS_EC2_URI}/${AWS_EC2_PATH}/${roleName}`,
+            { headers: { 'X-aws-ec2-metadata-token': token } },
+            (err, creds) => {
+              if (err) return callback(err);
+              done(creds);
+            }
+          );
+        }
+      );
+    }
+  );
+}
+
+function deriveRegion(host: string) {
+  const parts = host.split('.');
+  if (parts.length === 1 || parts[1] === 'amazonaws') {
+    return 'us-east-1';
+  }
+
+  return parts[1];
+}
+
+interface RequestOptions {
+  json?: boolean;
+  method?: string;
+  timeout?: number;
+  headers?: http.OutgoingHttpHeaders;
+}
+
+function request(uri: string, _options: RequestOptions | undefined, callback: Callback) {
+  const options = Object.assign(
+    {
+      method: 'GET',
+      timeout: 10000,
+      json: true
+    },
+    url.parse(uri),
+    _options
+  );
+
+  const req = http.request(options, res => {
+    res.setEncoding('utf8');
+
+    let data = '';
+    res.on('data', d => (data += d));
+    res.on('end', () => {
+      if (options.json === false) {
+        callback(undefined, data);
+        return;
+      }
+
+      try {
+        const parsed = JSON.parse(data);
+        callback(undefined, parsed);
+      } catch (err) {
+        // TODO(NODE-3483)
+        callback(new MongoRuntimeError(`Invalid JSON response: "${data}"`));
+      }
+    });
+  });
+
+  req.on('timeout', () => {
+    req.destroy(new MongoAWSError(`AWS request to ${uri} timed out after ${options.timeout} ms`));
+  });
+
+  req.on('error', err => callback(err));
+  req.end();
+}
diff --git a/node_modules/mongodb/src/cmap/auth/plain.ts b/node_modules/mongodb/src/cmap/auth/plain.ts
new file mode 100644
index 000000000..94b19a52b
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/auth/plain.ts
@@ -0,0 +1,25 @@
+import { Binary } from '../../bson';
+import { MongoMissingCredentialsError } from '../../error';
+import { Callback, ns } from '../../utils';
+import { AuthContext, AuthProvider } from './auth_provider';
+
+export class Plain extends AuthProvider {
+  override auth(authContext: AuthContext, callback: Callback): void {
+    const { connection, credentials } = authContext;
+    if (!credentials) {
+      return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    const username = credentials.username;
+    const password = credentials.password;
+
+    const payload = new Binary(Buffer.from(`\x00${username}\x00${password}`));
+    const command = {
+      saslStart: 1,
+      mechanism: 'PLAIN',
+      payload: payload,
+      autoAuthorize: 1
+    };
+
+    connection.command(ns('$external.$cmd'), command, undefined, callback);
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/auth/providers.ts b/node_modules/mongodb/src/cmap/auth/providers.ts
new file mode 100644
index 000000000..9c7b1f4b8
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/auth/providers.ts
@@ -0,0 +1,21 @@
+/** @public */
+export const AuthMechanism = Object.freeze({
+  MONGODB_AWS: 'MONGODB-AWS',
+  MONGODB_CR: 'MONGODB-CR',
+  MONGODB_DEFAULT: 'DEFAULT',
+  MONGODB_GSSAPI: 'GSSAPI',
+  MONGODB_PLAIN: 'PLAIN',
+  MONGODB_SCRAM_SHA1: 'SCRAM-SHA-1',
+  MONGODB_SCRAM_SHA256: 'SCRAM-SHA-256',
+  MONGODB_X509: 'MONGODB-X509'
+} as const);
+
+/** @public */
+export type AuthMechanism = typeof AuthMechanism[keyof typeof AuthMechanism];
+
+/** @internal */
+export const AUTH_MECHS_AUTH_SRC_EXTERNAL = new Set<AuthMechanism>([
+  AuthMechanism.MONGODB_GSSAPI,
+  AuthMechanism.MONGODB_AWS,
+  AuthMechanism.MONGODB_X509
+]);
diff --git a/node_modules/mongodb/src/cmap/auth/scram.ts b/node_modules/mongodb/src/cmap/auth/scram.ts
new file mode 100644
index 000000000..7a339151f
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/auth/scram.ts
@@ -0,0 +1,384 @@
+import * as crypto from 'crypto';
+
+import { Binary, Document } from '../../bson';
+import { saslprep } from '../../deps';
+import {
+  AnyError,
+  MongoInvalidArgumentError,
+  MongoMissingCredentialsError,
+  MongoRuntimeError,
+  MongoServerError
+} from '../../error';
+import { Callback, emitWarning, ns } from '../../utils';
+import type { HandshakeDocument } from '../connect';
+import { AuthContext, AuthProvider } from './auth_provider';
+import type { MongoCredentials } from './mongo_credentials';
+import { AuthMechanism } from './providers';
+
+type CryptoMethod = 'sha1' | 'sha256';
+
+class ScramSHA extends AuthProvider {
+  cryptoMethod: CryptoMethod;
+  constructor(cryptoMethod: CryptoMethod) {
+    super();
+    this.cryptoMethod = cryptoMethod || 'sha1';
+  }
+
+  override prepare(handshakeDoc: HandshakeDocument, authContext: AuthContext, callback: Callback) {
+    const cryptoMethod = this.cryptoMethod;
+    const credentials = authContext.credentials;
+    if (!credentials) {
+      return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    if (cryptoMethod === 'sha256' && saslprep == null) {
+      emitWarning('Warning: no saslprep library specified. Passwords will not be sanitized');
+    }
+
+    crypto.randomBytes(24, (err, nonce) => {
+      if (err) {
+        return callback(err);
+      }
+
+      // store the nonce for later use
+      Object.assign(authContext, { nonce });
+
+      const request = Object.assign({}, handshakeDoc, {
+        speculativeAuthenticate: Object.assign(makeFirstMessage(cryptoMethod, credentials, nonce), {
+          db: credentials.source
+        })
+      });
+
+      callback(undefined, request);
+    });
+  }
+
+  override auth(authContext: AuthContext, callback: Callback) {
+    const response = authContext.response;
+    if (response && response.speculativeAuthenticate) {
+      continueScramConversation(
+        this.cryptoMethod,
+        response.speculativeAuthenticate,
+        authContext,
+        callback
+      );
+
+      return;
+    }
+
+    executeScram(this.cryptoMethod, authContext, callback);
+  }
+}
+
+function cleanUsername(username: string) {
+  return username.replace('=', '=3D').replace(',', '=2C');
+}
+
+function clientFirstMessageBare(username: string, nonce: Buffer) {
+  // NOTE: This is done b/c Javascript uses UTF-16, but the server is hashing in UTF-8.
+  // Since the username is not sasl-prep-d, we need to do this here.
+  return Buffer.concat([
+    Buffer.from('n=', 'utf8'),
+    Buffer.from(username, 'utf8'),
+    Buffer.from(',r=', 'utf8'),
+    Buffer.from(nonce.toString('base64'), 'utf8')
+  ]);
+}
+
+function makeFirstMessage(
+  cryptoMethod: CryptoMethod,
+  credentials: MongoCredentials,
+  nonce: Buffer
+) {
+  const username = cleanUsername(credentials.username);
+  const mechanism =
+    cryptoMethod === 'sha1' ? AuthMechanism.MONGODB_SCRAM_SHA1 : AuthMechanism.MONGODB_SCRAM_SHA256;
+
+  // NOTE: This is done b/c Javascript uses UTF-16, but the server is hashing in UTF-8.
+  // Since the username is not sasl-prep-d, we need to do this here.
+  return {
+    saslStart: 1,
+    mechanism,
+    payload: new Binary(
+      Buffer.concat([Buffer.from('n,,', 'utf8'), clientFirstMessageBare(username, nonce)])
+    ),
+    autoAuthorize: 1,
+    options: { skipEmptyExchange: true }
+  };
+}
+
+function executeScram(cryptoMethod: CryptoMethod, authContext: AuthContext, callback: Callback) {
+  const { connection, credentials } = authContext;
+  if (!credentials) {
+    return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+  }
+  if (!authContext.nonce) {
+    return callback(
+      new MongoInvalidArgumentError('AuthContext must contain a valid nonce property')
+    );
+  }
+  const nonce = authContext.nonce;
+  const db = credentials.source;
+
+  const saslStartCmd = makeFirstMessage(cryptoMethod, credentials, nonce);
+  connection.command(ns(`${db}.$cmd`), saslStartCmd, undefined, (_err, result) => {
+    const err = resolveError(_err, result);
+    if (err) {
+      return callback(err);
+    }
+
+    continueScramConversation(cryptoMethod, result, authContext, callback);
+  });
+}
+
+function continueScramConversation(
+  cryptoMethod: CryptoMethod,
+  response: Document,
+  authContext: AuthContext,
+  callback: Callback
+) {
+  const connection = authContext.connection;
+  const credentials = authContext.credentials;
+  if (!credentials) {
+    return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+  }
+  if (!authContext.nonce) {
+    return callback(new MongoInvalidArgumentError('Unable to continue SCRAM without valid nonce'));
+  }
+  const nonce = authContext.nonce;
+
+  const db = credentials.source;
+  const username = cleanUsername(credentials.username);
+  const password = credentials.password;
+
+  let processedPassword;
+  if (cryptoMethod === 'sha256') {
+    processedPassword = 'kModuleError' in saslprep ? password : saslprep(password);
+  } else {
+    try {
+      processedPassword = passwordDigest(username, password);
+    } catch (e) {
+      return callback(e);
+    }
+  }
+
+  const payload = Buffer.isBuffer(response.payload)
+    ? new Binary(response.payload)
+    : response.payload;
+  const dict = parsePayload(payload.value());
+
+  const iterations = parseInt(dict.i, 10);
+  if (iterations && iterations < 4096) {
+    callback(
+      // TODO(NODE-3483)
+      new MongoRuntimeError(`Server returned an invalid iteration count ${iterations}`),
+      false
+    );
+    return;
+  }
+
+  const salt = dict.s;
+  const rnonce = dict.r;
+  if (rnonce.startsWith('nonce')) {
+    // TODO(NODE-3483)
+    callback(new MongoRuntimeError(`Server returned an invalid nonce: ${rnonce}`), false);
+    return;
+  }
+
+  // Set up start of proof
+  const withoutProof = `c=biws,r=${rnonce}`;
+  const saltedPassword = HI(
+    processedPassword,
+    Buffer.from(salt, 'base64'),
+    iterations,
+    cryptoMethod
+  );
+
+  const clientKey = HMAC(cryptoMethod, saltedPassword, 'Client Key');
+  const serverKey = HMAC(cryptoMethod, saltedPassword, 'Server Key');
+  const storedKey = H(cryptoMethod, clientKey);
+  const authMessage = [clientFirstMessageBare(username, nonce), payload.value(), withoutProof].join(
+    ','
+  );
+
+  const clientSignature = HMAC(cryptoMethod, storedKey, authMessage);
+  const clientProof = `p=${xor(clientKey, clientSignature)}`;
+  const clientFinal = [withoutProof, clientProof].join(',');
+
+  const serverSignature = HMAC(cryptoMethod, serverKey, authMessage);
+  const saslContinueCmd = {
+    saslContinue: 1,
+    conversationId: response.conversationId,
+    payload: new Binary(Buffer.from(clientFinal))
+  };
+
+  connection.command(ns(`${db}.$cmd`), saslContinueCmd, undefined, (_err, r) => {
+    const err = resolveError(_err, r);
+    if (err) {
+      return callback(err);
+    }
+
+    const parsedResponse = parsePayload(r.payload.value());
+    if (!compareDigest(Buffer.from(parsedResponse.v, 'base64'), serverSignature)) {
+      callback(new MongoRuntimeError('Server returned an invalid signature'));
+      return;
+    }
+
+    if (!r || r.done !== false) {
+      return callback(err, r);
+    }
+
+    const retrySaslContinueCmd = {
+      saslContinue: 1,
+      conversationId: r.conversationId,
+      payload: Buffer.alloc(0)
+    };
+
+    connection.command(ns(`${db}.$cmd`), retrySaslContinueCmd, undefined, callback);
+  });
+}
+
+function parsePayload(payload: string) {
+  const dict: Document = {};
+  const parts = payload.split(',');
+  for (let i = 0; i < parts.length; i++) {
+    const valueParts = parts[i].split('=');
+    dict[valueParts[0]] = valueParts[1];
+  }
+
+  return dict;
+}
+
+function passwordDigest(username: string, password: string) {
+  if (typeof username !== 'string') {
+    throw new MongoInvalidArgumentError('Username must be a string');
+  }
+
+  if (typeof password !== 'string') {
+    throw new MongoInvalidArgumentError('Password must be a string');
+  }
+
+  if (password.length === 0) {
+    throw new MongoInvalidArgumentError('Password cannot be empty');
+  }
+
+  let md5: crypto.Hash;
+  try {
+    md5 = crypto.createHash('md5');
+  } catch (err) {
+    if (crypto.getFips()) {
+      // This error is (slightly) more helpful than what comes from OpenSSL directly, e.g.
+      // 'Error: error:060800C8:digital envelope routines:EVP_DigestInit_ex:disabled for FIPS'
+      throw new Error('Auth mechanism SCRAM-SHA-1 is not supported in FIPS mode');
+    }
+    throw err;
+  }
+  md5.update(`${username}:mongo:${password}`, 'utf8');
+  return md5.digest('hex');
+}
+
+// XOR two buffers
+function xor(a: Buffer, b: Buffer) {
+  if (!Buffer.isBuffer(a)) {
+    a = Buffer.from(a);
+  }
+
+  if (!Buffer.isBuffer(b)) {
+    b = Buffer.from(b);
+  }
+
+  const length = Math.max(a.length, b.length);
+  const res = [];
+
+  for (let i = 0; i < length; i += 1) {
+    res.push(a[i] ^ b[i]);
+  }
+
+  return Buffer.from(res).toString('base64');
+}
+
+function H(method: CryptoMethod, text: Buffer) {
+  return crypto.createHash(method).update(text).digest();
+}
+
+function HMAC(method: CryptoMethod, key: Buffer, text: Buffer | string) {
+  return crypto.createHmac(method, key).update(text).digest();
+}
+
+interface HICache {
+  [key: string]: Buffer;
+}
+
+let _hiCache: HICache = {};
+let _hiCacheCount = 0;
+function _hiCachePurge() {
+  _hiCache = {};
+  _hiCacheCount = 0;
+}
+
+const hiLengthMap = {
+  sha256: 32,
+  sha1: 20
+};
+
+function HI(data: string, salt: Buffer, iterations: number, cryptoMethod: CryptoMethod) {
+  // omit the work if already generated
+  const key = [data, salt.toString('base64'), iterations].join('_');
+  if (_hiCache[key] != null) {
+    return _hiCache[key];
+  }
+
+  // generate the salt
+  const saltedData = crypto.pbkdf2Sync(
+    data,
+    salt,
+    iterations,
+    hiLengthMap[cryptoMethod],
+    cryptoMethod
+  );
+
+  // cache a copy to speed up the next lookup, but prevent unbounded cache growth
+  if (_hiCacheCount >= 200) {
+    _hiCachePurge();
+  }
+
+  _hiCache[key] = saltedData;
+  _hiCacheCount += 1;
+  return saltedData;
+}
+
+function compareDigest(lhs: Buffer, rhs: Uint8Array) {
+  if (lhs.length !== rhs.length) {
+    return false;
+  }
+
+  if (typeof crypto.timingSafeEqual === 'function') {
+    return crypto.timingSafeEqual(lhs, rhs);
+  }
+
+  let result = 0;
+  for (let i = 0; i < lhs.length; i++) {
+    result |= lhs[i] ^ rhs[i];
+  }
+
+  return result === 0;
+}
+
+function resolveError(err?: AnyError, result?: Document) {
+  if (err) return err;
+  if (result) {
+    if (result.$err || result.errmsg) return new MongoServerError(result);
+  }
+  return;
+}
+
+export class ScramSHA1 extends ScramSHA {
+  constructor() {
+    super('sha1');
+  }
+}
+
+export class ScramSHA256 extends ScramSHA {
+  constructor() {
+    super('sha256');
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/auth/x509.ts b/node_modules/mongodb/src/cmap/auth/x509.ts
new file mode 100644
index 000000000..a12e6f9d8
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/auth/x509.ts
@@ -0,0 +1,53 @@
+import type { Document } from '../../bson';
+import { MongoMissingCredentialsError } from '../../error';
+import { Callback, ns } from '../../utils';
+import type { HandshakeDocument } from '../connect';
+import { AuthContext, AuthProvider } from './auth_provider';
+import type { MongoCredentials } from './mongo_credentials';
+
+export class X509 extends AuthProvider {
+  override prepare(
+    handshakeDoc: HandshakeDocument,
+    authContext: AuthContext,
+    callback: Callback
+  ): void {
+    const { credentials } = authContext;
+    if (!credentials) {
+      return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    Object.assign(handshakeDoc, {
+      speculativeAuthenticate: x509AuthenticateCommand(credentials)
+    });
+
+    callback(undefined, handshakeDoc);
+  }
+
+  override auth(authContext: AuthContext, callback: Callback): void {
+    const connection = authContext.connection;
+    const credentials = authContext.credentials;
+    if (!credentials) {
+      return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    const response = authContext.response;
+
+    if (response && response.speculativeAuthenticate) {
+      return callback();
+    }
+
+    connection.command(
+      ns('$external.$cmd'),
+      x509AuthenticateCommand(credentials),
+      undefined,
+      callback
+    );
+  }
+}
+
+function x509AuthenticateCommand(credentials: MongoCredentials) {
+  const command: Document = { authenticate: 1, mechanism: 'MONGODB-X509' };
+  if (credentials.username) {
+    command.user = credentials.username;
+  }
+
+  return command;
+}
diff --git a/node_modules/mongodb/src/cmap/command_monitoring_events.ts b/node_modules/mongodb/src/cmap/command_monitoring_events.ts
new file mode 100644
index 000000000..40c3419a1
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/command_monitoring_events.ts
@@ -0,0 +1,301 @@
+import type { Document, ObjectId } from '../bson';
+import { LEGACY_HELLO_COMMAND, LEGACY_HELLO_COMMAND_CAMEL_CASE } from '../constants';
+import { calculateDurationInMs, deepCopy } from '../utils';
+import { Msg, WriteProtocolMessageType } from './commands';
+import type { Connection } from './connection';
+
+/**
+ * An event indicating the start of a given
+ * @public
+ * @category Event
+ */
+export class CommandStartedEvent {
+  commandObj?: Document;
+  requestId: number;
+  databaseName: string;
+  commandName: string;
+  command: Document;
+  address: string;
+  connectionId?: string | number;
+  serviceId?: ObjectId;
+
+  /**
+   * Create a started event
+   *
+   * @internal
+   * @param pool - the pool that originated the command
+   * @param command - the command
+   */
+  constructor(connection: Connection, command: WriteProtocolMessageType) {
+    const cmd = extractCommand(command);
+    const commandName = extractCommandName(cmd);
+    const { address, connectionId, serviceId } = extractConnectionDetails(connection);
+
+    // TODO: remove in major revision, this is not spec behavior
+    if (SENSITIVE_COMMANDS.has(commandName)) {
+      this.commandObj = {};
+      this.commandObj[commandName] = true;
+    }
+
+    this.address = address;
+    this.connectionId = connectionId;
+    this.serviceId = serviceId;
+    this.requestId = command.requestId;
+    this.databaseName = databaseName(command);
+    this.commandName = commandName;
+    this.command = maybeRedact(commandName, cmd, cmd);
+  }
+
+  /* @internal */
+  get hasServiceId(): boolean {
+    return !!this.serviceId;
+  }
+}
+
+/**
+ * An event indicating the success of a given command
+ * @public
+ * @category Event
+ */
+export class CommandSucceededEvent {
+  address: string;
+  connectionId?: string | number;
+  requestId: number;
+  duration: number;
+  commandName: string;
+  reply: unknown;
+  serviceId?: ObjectId;
+
+  /**
+   * Create a succeeded event
+   *
+   * @internal
+   * @param pool - the pool that originated the command
+   * @param command - the command
+   * @param reply - the reply for this command from the server
+   * @param started - a high resolution tuple timestamp of when the command was first sent, to calculate duration
+   */
+  constructor(
+    connection: Connection,
+    command: WriteProtocolMessageType,
+    reply: Document | undefined,
+    started: number
+  ) {
+    const cmd = extractCommand(command);
+    const commandName = extractCommandName(cmd);
+    const { address, connectionId, serviceId } = extractConnectionDetails(connection);
+
+    this.address = address;
+    this.connectionId = connectionId;
+    this.serviceId = serviceId;
+    this.requestId = command.requestId;
+    this.commandName = commandName;
+    this.duration = calculateDurationInMs(started);
+    this.reply = maybeRedact(commandName, cmd, extractReply(command, reply));
+  }
+
+  /* @internal */
+  get hasServiceId(): boolean {
+    return !!this.serviceId;
+  }
+}
+
+/**
+ * An event indicating the failure of a given command
+ * @public
+ * @category Event
+ */
+export class CommandFailedEvent {
+  address: string;
+  connectionId?: string | number;
+  requestId: number;
+  duration: number;
+  commandName: string;
+  failure: Error;
+  serviceId?: ObjectId;
+
+  /**
+   * Create a failure event
+   *
+   * @internal
+   * @param pool - the pool that originated the command
+   * @param command - the command
+   * @param error - the generated error or a server error response
+   * @param started - a high resolution tuple timestamp of when the command was first sent, to calculate duration
+   */
+  constructor(
+    connection: Connection,
+    command: WriteProtocolMessageType,
+    error: Error | Document,
+    started: number
+  ) {
+    const cmd = extractCommand(command);
+    const commandName = extractCommandName(cmd);
+    const { address, connectionId, serviceId } = extractConnectionDetails(connection);
+
+    this.address = address;
+    this.connectionId = connectionId;
+    this.serviceId = serviceId;
+
+    this.requestId = command.requestId;
+    this.commandName = commandName;
+    this.duration = calculateDurationInMs(started);
+    this.failure = maybeRedact(commandName, cmd, error) as Error;
+  }
+
+  /* @internal */
+  get hasServiceId(): boolean {
+    return !!this.serviceId;
+  }
+}
+
+/** Commands that we want to redact because of the sensitive nature of their contents */
+const SENSITIVE_COMMANDS = new Set([
+  'authenticate',
+  'saslStart',
+  'saslContinue',
+  'getnonce',
+  'createUser',
+  'updateUser',
+  'copydbgetnonce',
+  'copydbsaslstart',
+  'copydb'
+]);
+
+const HELLO_COMMANDS = new Set(['hello', LEGACY_HELLO_COMMAND, LEGACY_HELLO_COMMAND_CAMEL_CASE]);
+
+// helper methods
+const extractCommandName = (commandDoc: Document) => Object.keys(commandDoc)[0];
+const namespace = (command: WriteProtocolMessageType) => command.ns;
+const databaseName = (command: WriteProtocolMessageType) => command.ns.split('.')[0];
+const collectionName = (command: WriteProtocolMessageType) => command.ns.split('.')[1];
+const maybeRedact = (commandName: string, commandDoc: Document, result: Error | Document) =>
+  SENSITIVE_COMMANDS.has(commandName) ||
+  (HELLO_COMMANDS.has(commandName) && commandDoc.speculativeAuthenticate)
+    ? {}
+    : result;
+
+const LEGACY_FIND_QUERY_MAP: { [key: string]: string } = {
+  $query: 'filter',
+  $orderby: 'sort',
+  $hint: 'hint',
+  $comment: 'comment',
+  $maxScan: 'maxScan',
+  $max: 'max',
+  $min: 'min',
+  $returnKey: 'returnKey',
+  $showDiskLoc: 'showRecordId',
+  $maxTimeMS: 'maxTimeMS',
+  $snapshot: 'snapshot'
+};
+
+const LEGACY_FIND_OPTIONS_MAP = {
+  numberToSkip: 'skip',
+  numberToReturn: 'batchSize',
+  returnFieldSelector: 'projection'
+} as const;
+
+const OP_QUERY_KEYS = [
+  'tailable',
+  'oplogReplay',
+  'noCursorTimeout',
+  'awaitData',
+  'partial',
+  'exhaust'
+] as const;
+
+/** Extract the actual command from the query, possibly up-converting if it's a legacy format */
+function extractCommand(command: WriteProtocolMessageType): Document {
+  if (command instanceof Msg) {
+    return deepCopy(command.command);
+  }
+
+  if (command.query?.$query) {
+    let result: Document;
+    if (command.ns === 'admin.$cmd') {
+      // up-convert legacy command
+      result = Object.assign({}, command.query.$query);
+    } else {
+      // up-convert legacy find command
+      result = { find: collectionName(command) };
+      Object.keys(LEGACY_FIND_QUERY_MAP).forEach(key => {
+        if (command.query[key] != null) {
+          result[LEGACY_FIND_QUERY_MAP[key]] = deepCopy(command.query[key]);
+        }
+      });
+    }
+
+    Object.keys(LEGACY_FIND_OPTIONS_MAP).forEach(key => {
+      const legacyKey = key as keyof typeof LEGACY_FIND_OPTIONS_MAP;
+      if (command[legacyKey] != null) {
+        result[LEGACY_FIND_OPTIONS_MAP[legacyKey]] = deepCopy(command[legacyKey]);
+      }
+    });
+
+    OP_QUERY_KEYS.forEach(key => {
+      if (command[key]) {
+        result[key] = command[key];
+      }
+    });
+
+    if (command.pre32Limit != null) {
+      result.limit = command.pre32Limit;
+    }
+
+    if (command.query.$explain) {
+      return { explain: result };
+    }
+    return result;
+  }
+
+  const clonedQuery: Record<string, unknown> = {};
+  const clonedCommand: Record<string, unknown> = {};
+  if (command.query) {
+    for (const k in command.query) {
+      clonedQuery[k] = deepCopy(command.query[k]);
+    }
+    clonedCommand.query = clonedQuery;
+  }
+
+  for (const k in command) {
+    if (k === 'query') continue;
+    clonedCommand[k] = deepCopy((command as unknown as Record<string, unknown>)[k]);
+  }
+  return command.query ? clonedQuery : clonedCommand;
+}
+
+function extractReply(command: WriteProtocolMessageType, reply?: Document) {
+  if (!reply) {
+    return reply;
+  }
+
+  if (command instanceof Msg) {
+    return deepCopy(reply.result ? reply.result : reply);
+  }
+
+  // is this a legacy find command?
+  if (command.query && command.query.$query != null) {
+    return {
+      ok: 1,
+      cursor: {
+        id: deepCopy(reply.cursorId),
+        ns: namespace(command),
+        firstBatch: deepCopy(reply.documents)
+      }
+    };
+  }
+
+  return deepCopy(reply.result ? reply.result : reply);
+}
+
+function extractConnectionDetails(connection: Connection) {
+  let connectionId;
+  if ('id' in connection) {
+    connectionId = connection.id;
+  }
+  return {
+    address: connection.address,
+    serviceId: connection.serviceId,
+    connectionId
+  };
+}
diff --git a/node_modules/mongodb/src/cmap/commands.ts b/node_modules/mongodb/src/cmap/commands.ts
new file mode 100644
index 000000000..b2d93dc05
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/commands.ts
@@ -0,0 +1,703 @@
+import type { BSONSerializeOptions, Document, Long } from '../bson';
+import * as BSON from '../bson';
+import { MongoInvalidArgumentError, MongoRuntimeError } from '../error';
+import { ReadPreference } from '../read_preference';
+import type { ClientSession } from '../sessions';
+import { databaseNamespace } from '../utils';
+import type { CommandOptions } from './connection';
+import { OP_MSG, OP_QUERY } from './wire_protocol/constants';
+
+// Incrementing request id
+let _requestId = 0;
+
+// Query flags
+const OPTS_TAILABLE_CURSOR = 2;
+const OPTS_SECONDARY = 4;
+const OPTS_OPLOG_REPLAY = 8;
+const OPTS_NO_CURSOR_TIMEOUT = 16;
+const OPTS_AWAIT_DATA = 32;
+const OPTS_EXHAUST = 64;
+const OPTS_PARTIAL = 128;
+
+// Response flags
+const CURSOR_NOT_FOUND = 1;
+const QUERY_FAILURE = 2;
+const SHARD_CONFIG_STALE = 4;
+const AWAIT_CAPABLE = 8;
+
+/** @internal */
+export type WriteProtocolMessageType = Query | Msg;
+
+/** @internal */
+export interface OpQueryOptions extends CommandOptions {
+  socketTimeoutMS?: number;
+  session?: ClientSession;
+  documentsReturnedIn?: string;
+  numberToSkip?: number;
+  numberToReturn?: number;
+  returnFieldSelector?: Document;
+  pre32Limit?: number;
+  serializeFunctions?: boolean;
+  ignoreUndefined?: boolean;
+  maxBsonSize?: number;
+  checkKeys?: boolean;
+  secondaryOk?: boolean;
+
+  requestId?: number;
+  moreToCome?: boolean;
+  exhaustAllowed?: boolean;
+  readPreference?: ReadPreference;
+}
+
+/**************************************************************
+ * QUERY
+ **************************************************************/
+/** @internal */
+export class Query {
+  ns: string;
+  query: Document;
+  numberToSkip: number;
+  numberToReturn: number;
+  returnFieldSelector?: Document;
+  requestId: number;
+  pre32Limit?: number;
+  serializeFunctions: boolean;
+  ignoreUndefined: boolean;
+  maxBsonSize: number;
+  checkKeys: boolean;
+  batchSize: number;
+  tailable: boolean;
+  secondaryOk: boolean;
+  oplogReplay: boolean;
+  noCursorTimeout: boolean;
+  awaitData: boolean;
+  exhaust: boolean;
+  partial: boolean;
+  documentsReturnedIn?: string;
+
+  constructor(ns: string, query: Document, options: OpQueryOptions) {
+    // Basic options needed to be passed in
+    // TODO(NODE-3483): Replace with MongoCommandError
+    if (ns == null) throw new MongoRuntimeError('Namespace must be specified for query');
+    // TODO(NODE-3483): Replace with MongoCommandError
+    if (query == null) throw new MongoRuntimeError('A query document must be specified for query');
+
+    // Validate that we are not passing 0x00 in the collection name
+    if (ns.indexOf('\x00') !== -1) {
+      // TODO(NODE-3483): Use MongoNamespace static method
+      throw new MongoRuntimeError('Namespace cannot contain a null character');
+    }
+
+    // Basic options
+    this.ns = ns;
+    this.query = query;
+
+    // Additional options
+    this.numberToSkip = options.numberToSkip || 0;
+    this.numberToReturn = options.numberToReturn || 0;
+    this.returnFieldSelector = options.returnFieldSelector || undefined;
+    this.requestId = Query.getRequestId();
+
+    // special case for pre-3.2 find commands, delete ASAP
+    this.pre32Limit = options.pre32Limit;
+
+    // Serialization option
+    this.serializeFunctions =
+      typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+    this.ignoreUndefined =
+      typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : false;
+    this.maxBsonSize = options.maxBsonSize || 1024 * 1024 * 16;
+    this.checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+    this.batchSize = this.numberToReturn;
+
+    // Flags
+    this.tailable = false;
+    this.secondaryOk = typeof options.secondaryOk === 'boolean' ? options.secondaryOk : false;
+    this.oplogReplay = false;
+    this.noCursorTimeout = false;
+    this.awaitData = false;
+    this.exhaust = false;
+    this.partial = false;
+  }
+
+  /** Assign next request Id. */
+  incRequestId(): void {
+    this.requestId = _requestId++;
+  }
+
+  /** Peek next request Id. */
+  nextRequestId(): number {
+    return _requestId + 1;
+  }
+
+  /** Increment then return next request Id. */
+  static getRequestId(): number {
+    return ++_requestId;
+  }
+
+  // Uses a single allocated buffer for the process, avoiding multiple memory allocations
+  toBin(): Buffer[] {
+    const buffers = [];
+    let projection = null;
+
+    // Set up the flags
+    let flags = 0;
+    if (this.tailable) {
+      flags |= OPTS_TAILABLE_CURSOR;
+    }
+
+    if (this.secondaryOk) {
+      flags |= OPTS_SECONDARY;
+    }
+
+    if (this.oplogReplay) {
+      flags |= OPTS_OPLOG_REPLAY;
+    }
+
+    if (this.noCursorTimeout) {
+      flags |= OPTS_NO_CURSOR_TIMEOUT;
+    }
+
+    if (this.awaitData) {
+      flags |= OPTS_AWAIT_DATA;
+    }
+
+    if (this.exhaust) {
+      flags |= OPTS_EXHAUST;
+    }
+
+    if (this.partial) {
+      flags |= OPTS_PARTIAL;
+    }
+
+    // If batchSize is different to this.numberToReturn
+    if (this.batchSize !== this.numberToReturn) this.numberToReturn = this.batchSize;
+
+    // Allocate write protocol header buffer
+    const header = Buffer.alloc(
+      4 * 4 + // Header
+        4 + // Flags
+        Buffer.byteLength(this.ns) +
+        1 + // namespace
+        4 + // numberToSkip
+        4 // numberToReturn
+    );
+
+    // Add header to buffers
+    buffers.push(header);
+
+    // Serialize the query
+    const query = BSON.serialize(this.query, {
+      checkKeys: this.checkKeys,
+      serializeFunctions: this.serializeFunctions,
+      ignoreUndefined: this.ignoreUndefined
+    });
+
+    // Add query document
+    buffers.push(query);
+
+    if (this.returnFieldSelector && Object.keys(this.returnFieldSelector).length > 0) {
+      // Serialize the projection document
+      projection = BSON.serialize(this.returnFieldSelector, {
+        checkKeys: this.checkKeys,
+        serializeFunctions: this.serializeFunctions,
+        ignoreUndefined: this.ignoreUndefined
+      });
+      // Add projection document
+      buffers.push(projection);
+    }
+
+    // Total message size
+    const totalLength = header.length + query.length + (projection ? projection.length : 0);
+
+    // Set up the index
+    let index = 4;
+
+    // Write total document length
+    header[3] = (totalLength >> 24) & 0xff;
+    header[2] = (totalLength >> 16) & 0xff;
+    header[1] = (totalLength >> 8) & 0xff;
+    header[0] = totalLength & 0xff;
+
+    // Write header information requestId
+    header[index + 3] = (this.requestId >> 24) & 0xff;
+    header[index + 2] = (this.requestId >> 16) & 0xff;
+    header[index + 1] = (this.requestId >> 8) & 0xff;
+    header[index] = this.requestId & 0xff;
+    index = index + 4;
+
+    // Write header information responseTo
+    header[index + 3] = (0 >> 24) & 0xff;
+    header[index + 2] = (0 >> 16) & 0xff;
+    header[index + 1] = (0 >> 8) & 0xff;
+    header[index] = 0 & 0xff;
+    index = index + 4;
+
+    // Write header information OP_QUERY
+    header[index + 3] = (OP_QUERY >> 24) & 0xff;
+    header[index + 2] = (OP_QUERY >> 16) & 0xff;
+    header[index + 1] = (OP_QUERY >> 8) & 0xff;
+    header[index] = OP_QUERY & 0xff;
+    index = index + 4;
+
+    // Write header information flags
+    header[index + 3] = (flags >> 24) & 0xff;
+    header[index + 2] = (flags >> 16) & 0xff;
+    header[index + 1] = (flags >> 8) & 0xff;
+    header[index] = flags & 0xff;
+    index = index + 4;
+
+    // Write collection name
+    index = index + header.write(this.ns, index, 'utf8') + 1;
+    header[index - 1] = 0;
+
+    // Write header information flags numberToSkip
+    header[index + 3] = (this.numberToSkip >> 24) & 0xff;
+    header[index + 2] = (this.numberToSkip >> 16) & 0xff;
+    header[index + 1] = (this.numberToSkip >> 8) & 0xff;
+    header[index] = this.numberToSkip & 0xff;
+    index = index + 4;
+
+    // Write header information flags numberToReturn
+    header[index + 3] = (this.numberToReturn >> 24) & 0xff;
+    header[index + 2] = (this.numberToReturn >> 16) & 0xff;
+    header[index + 1] = (this.numberToReturn >> 8) & 0xff;
+    header[index] = this.numberToReturn & 0xff;
+    index = index + 4;
+
+    // Return the buffers
+    return buffers;
+  }
+}
+
+/** @internal */
+export interface MessageHeader {
+  length: number;
+  requestId: number;
+  responseTo: number;
+  opCode: number;
+  fromCompressed?: boolean;
+}
+
+/** @internal */
+export interface OpResponseOptions extends BSONSerializeOptions {
+  raw?: boolean;
+  documentsReturnedIn?: string | null;
+}
+
+/** @internal */
+export class Response {
+  parsed: boolean;
+  raw: Buffer;
+  data: Buffer;
+  opts: OpResponseOptions;
+  length: number;
+  requestId: number;
+  responseTo: number;
+  opCode: number;
+  fromCompressed?: boolean;
+  responseFlags?: number;
+  cursorId?: Long;
+  startingFrom?: number;
+  numberReturned?: number;
+  documents: (Document | Buffer)[] = new Array(0);
+  cursorNotFound?: boolean;
+  queryFailure?: boolean;
+  shardConfigStale?: boolean;
+  awaitCapable?: boolean;
+  promoteLongs: boolean;
+  promoteValues: boolean;
+  promoteBuffers: boolean;
+  bsonRegExp?: boolean;
+  index?: number;
+
+  constructor(
+    message: Buffer,
+    msgHeader: MessageHeader,
+    msgBody: Buffer,
+    opts?: OpResponseOptions
+  ) {
+    this.parsed = false;
+    this.raw = message;
+    this.data = msgBody;
+    this.opts = opts ?? {
+      promoteLongs: true,
+      promoteValues: true,
+      promoteBuffers: false,
+      bsonRegExp: false
+    };
+
+    // Read the message header
+    this.length = msgHeader.length;
+    this.requestId = msgHeader.requestId;
+    this.responseTo = msgHeader.responseTo;
+    this.opCode = msgHeader.opCode;
+    this.fromCompressed = msgHeader.fromCompressed;
+
+    // Flag values
+    this.promoteLongs = typeof this.opts.promoteLongs === 'boolean' ? this.opts.promoteLongs : true;
+    this.promoteValues =
+      typeof this.opts.promoteValues === 'boolean' ? this.opts.promoteValues : true;
+    this.promoteBuffers =
+      typeof this.opts.promoteBuffers === 'boolean' ? this.opts.promoteBuffers : false;
+    this.bsonRegExp = typeof this.opts.bsonRegExp === 'boolean' ? this.opts.bsonRegExp : false;
+  }
+
+  isParsed(): boolean {
+    return this.parsed;
+  }
+
+  parse(options: OpResponseOptions): void {
+    // Don't parse again if not needed
+    if (this.parsed) return;
+    options = options ?? {};
+
+    // Allow the return of raw documents instead of parsing
+    const raw = options.raw || false;
+    const documentsReturnedIn = options.documentsReturnedIn || null;
+    const promoteLongs = options.promoteLongs ?? this.opts.promoteLongs;
+    const promoteValues = options.promoteValues ?? this.opts.promoteValues;
+    const promoteBuffers = options.promoteBuffers ?? this.opts.promoteBuffers;
+    const bsonRegExp = options.bsonRegExp ?? this.opts.bsonRegExp;
+    let bsonSize;
+
+    // Set up the options
+    const _options: BSONSerializeOptions = {
+      promoteLongs,
+      promoteValues,
+      promoteBuffers,
+      bsonRegExp
+    };
+
+    // Position within OP_REPLY at which documents start
+    // (See https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#wire-op-reply)
+    this.index = 20;
+
+    // Read the message body
+    this.responseFlags = this.data.readInt32LE(0);
+    this.cursorId = new BSON.Long(this.data.readInt32LE(4), this.data.readInt32LE(8));
+    this.startingFrom = this.data.readInt32LE(12);
+    this.numberReturned = this.data.readInt32LE(16);
+
+    // Preallocate document array
+    this.documents = new Array(this.numberReturned);
+
+    this.cursorNotFound = (this.responseFlags & CURSOR_NOT_FOUND) !== 0;
+    this.queryFailure = (this.responseFlags & QUERY_FAILURE) !== 0;
+    this.shardConfigStale = (this.responseFlags & SHARD_CONFIG_STALE) !== 0;
+    this.awaitCapable = (this.responseFlags & AWAIT_CAPABLE) !== 0;
+
+    // Parse Body
+    for (let i = 0; i < this.numberReturned; i++) {
+      bsonSize =
+        this.data[this.index] |
+        (this.data[this.index + 1] << 8) |
+        (this.data[this.index + 2] << 16) |
+        (this.data[this.index + 3] << 24);
+
+      // If we have raw results specified slice the return document
+      if (raw) {
+        this.documents[i] = this.data.slice(this.index, this.index + bsonSize);
+      } else {
+        this.documents[i] = BSON.deserialize(
+          this.data.slice(this.index, this.index + bsonSize),
+          _options
+        );
+      }
+
+      // Adjust the index
+      this.index = this.index + bsonSize;
+    }
+
+    if (this.documents.length === 1 && documentsReturnedIn != null && raw) {
+      const fieldsAsRaw: Document = {};
+      fieldsAsRaw[documentsReturnedIn] = true;
+      _options.fieldsAsRaw = fieldsAsRaw;
+
+      const doc = BSON.deserialize(this.documents[0] as Buffer, _options);
+      this.documents = [doc];
+    }
+
+    // Set parsed
+    this.parsed = true;
+  }
+}
+
+// Implementation of OP_MSG spec:
+// https://github.com/mongodb/specifications/blob/master/source/message/OP_MSG.rst
+//
+// struct Section {
+//   uint8 payloadType;
+//   union payload {
+//       document  document; // payloadType == 0
+//       struct sequence { // payloadType == 1
+//           int32      size;
+//           cstring    identifier;
+//           document*  documents;
+//       };
+//   };
+// };
+
+// struct OP_MSG {
+//   struct MsgHeader {
+//       int32  messageLength;
+//       int32  requestID;
+//       int32  responseTo;
+//       int32  opCode = 2013;
+//   };
+//   uint32      flagBits;
+//   Section+    sections;
+//   [uint32     checksum;]
+// };
+
+// Msg Flags
+const OPTS_CHECKSUM_PRESENT = 1;
+const OPTS_MORE_TO_COME = 2;
+const OPTS_EXHAUST_ALLOWED = 1 << 16;
+
+/** @internal */
+export interface OpMsgOptions {
+  requestId: number;
+  serializeFunctions: boolean;
+  ignoreUndefined: boolean;
+  checkKeys: boolean;
+  maxBsonSize: number;
+  moreToCome: boolean;
+  exhaustAllowed: boolean;
+  readPreference: ReadPreference;
+}
+
+/** @internal */
+export class Msg {
+  ns: string;
+  command: Document;
+  options: OpQueryOptions;
+  requestId: number;
+  serializeFunctions: boolean;
+  ignoreUndefined: boolean;
+  checkKeys: boolean;
+  maxBsonSize: number;
+  checksumPresent: boolean;
+  moreToCome: boolean;
+  exhaustAllowed: boolean;
+
+  constructor(ns: string, command: Document, options: OpQueryOptions) {
+    // Basic options needed to be passed in
+    if (command == null)
+      throw new MongoInvalidArgumentError('Query document must be specified for query');
+
+    // Basic options
+    this.ns = ns;
+    this.command = command;
+    this.command.$db = databaseNamespace(ns);
+
+    if (options.readPreference && options.readPreference.mode !== ReadPreference.PRIMARY) {
+      this.command.$readPreference = options.readPreference.toJSON();
+    }
+
+    // Ensure empty options
+    this.options = options ?? {};
+
+    // Additional options
+    this.requestId = options.requestId ? options.requestId : Msg.getRequestId();
+
+    // Serialization option
+    this.serializeFunctions =
+      typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+    this.ignoreUndefined =
+      typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : false;
+    this.checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+    this.maxBsonSize = options.maxBsonSize || 1024 * 1024 * 16;
+
+    // flags
+    this.checksumPresent = false;
+    this.moreToCome = options.moreToCome || false;
+    this.exhaustAllowed =
+      typeof options.exhaustAllowed === 'boolean' ? options.exhaustAllowed : false;
+  }
+
+  toBin(): Buffer[] {
+    const buffers: Buffer[] = [];
+    let flags = 0;
+
+    if (this.checksumPresent) {
+      flags |= OPTS_CHECKSUM_PRESENT;
+    }
+
+    if (this.moreToCome) {
+      flags |= OPTS_MORE_TO_COME;
+    }
+
+    if (this.exhaustAllowed) {
+      flags |= OPTS_EXHAUST_ALLOWED;
+    }
+
+    const header = Buffer.alloc(
+      4 * 4 + // Header
+        4 // Flags
+    );
+
+    buffers.push(header);
+
+    let totalLength = header.length;
+    const command = this.command;
+    totalLength += this.makeDocumentSegment(buffers, command);
+
+    header.writeInt32LE(totalLength, 0); // messageLength
+    header.writeInt32LE(this.requestId, 4); // requestID
+    header.writeInt32LE(0, 8); // responseTo
+    header.writeInt32LE(OP_MSG, 12); // opCode
+    header.writeUInt32LE(flags, 16); // flags
+    return buffers;
+  }
+
+  makeDocumentSegment(buffers: Buffer[], document: Document): number {
+    const payloadTypeBuffer = Buffer.alloc(1);
+    payloadTypeBuffer[0] = 0;
+
+    const documentBuffer = this.serializeBson(document);
+    buffers.push(payloadTypeBuffer);
+    buffers.push(documentBuffer);
+
+    return payloadTypeBuffer.length + documentBuffer.length;
+  }
+
+  serializeBson(document: Document): Buffer {
+    return BSON.serialize(document, {
+      checkKeys: this.checkKeys,
+      serializeFunctions: this.serializeFunctions,
+      ignoreUndefined: this.ignoreUndefined
+    });
+  }
+
+  static getRequestId(): number {
+    _requestId = (_requestId + 1) & 0x7fffffff;
+    return _requestId;
+  }
+}
+
+/** @internal */
+export class BinMsg {
+  parsed: boolean;
+  raw: Buffer;
+  data: Buffer;
+  opts: OpResponseOptions;
+  length: number;
+  requestId: number;
+  responseTo: number;
+  opCode: number;
+  fromCompressed?: boolean;
+  responseFlags: number;
+  checksumPresent: boolean;
+  moreToCome: boolean;
+  exhaustAllowed: boolean;
+  promoteLongs: boolean;
+  promoteValues: boolean;
+  promoteBuffers: boolean;
+  bsonRegExp: boolean;
+  documents: (Document | Buffer)[];
+  index?: number;
+
+  constructor(
+    message: Buffer,
+    msgHeader: MessageHeader,
+    msgBody: Buffer,
+    opts?: OpResponseOptions
+  ) {
+    this.parsed = false;
+    this.raw = message;
+    this.data = msgBody;
+    this.opts = opts ?? {
+      promoteLongs: true,
+      promoteValues: true,
+      promoteBuffers: false,
+      bsonRegExp: false
+    };
+
+    // Read the message header
+    this.length = msgHeader.length;
+    this.requestId = msgHeader.requestId;
+    this.responseTo = msgHeader.responseTo;
+    this.opCode = msgHeader.opCode;
+    this.fromCompressed = msgHeader.fromCompressed;
+
+    // Read response flags
+    this.responseFlags = msgBody.readInt32LE(0);
+    this.checksumPresent = (this.responseFlags & OPTS_CHECKSUM_PRESENT) !== 0;
+    this.moreToCome = (this.responseFlags & OPTS_MORE_TO_COME) !== 0;
+    this.exhaustAllowed = (this.responseFlags & OPTS_EXHAUST_ALLOWED) !== 0;
+    this.promoteLongs = typeof this.opts.promoteLongs === 'boolean' ? this.opts.promoteLongs : true;
+    this.promoteValues =
+      typeof this.opts.promoteValues === 'boolean' ? this.opts.promoteValues : true;
+    this.promoteBuffers =
+      typeof this.opts.promoteBuffers === 'boolean' ? this.opts.promoteBuffers : false;
+    this.bsonRegExp = typeof this.opts.bsonRegExp === 'boolean' ? this.opts.bsonRegExp : false;
+
+    this.documents = [];
+  }
+
+  isParsed(): boolean {
+    return this.parsed;
+  }
+
+  parse(options: OpResponseOptions): void {
+    // Don't parse again if not needed
+    if (this.parsed) return;
+    options = options ?? {};
+
+    this.index = 4;
+    // Allow the return of raw documents instead of parsing
+    const raw = options.raw || false;
+    const documentsReturnedIn = options.documentsReturnedIn || null;
+    const promoteLongs = options.promoteLongs ?? this.opts.promoteLongs;
+    const promoteValues = options.promoteValues ?? this.opts.promoteValues;
+    const promoteBuffers = options.promoteBuffers ?? this.opts.promoteBuffers;
+    const bsonRegExp = options.bsonRegExp ?? this.opts.bsonRegExp;
+    const validation = this.parseBsonSerializationOptions(options);
+
+    // Set up the options
+    const bsonOptions: BSONSerializeOptions = {
+      promoteLongs,
+      promoteValues,
+      promoteBuffers,
+      bsonRegExp,
+      validation
+      // Due to the strictness of the BSON libraries validation option we need this cast
+    } as BSONSerializeOptions & { validation: { utf8: { writeErrors: boolean } } };
+
+    while (this.index < this.data.length) {
+      const payloadType = this.data.readUInt8(this.index++);
+      if (payloadType === 0) {
+        const bsonSize = this.data.readUInt32LE(this.index);
+        const bin = this.data.slice(this.index, this.index + bsonSize);
+        this.documents.push(raw ? bin : BSON.deserialize(bin, bsonOptions));
+        this.index += bsonSize;
+      } else if (payloadType === 1) {
+        // It was decided that no driver makes use of payload type 1
+
+        // TODO(NODE-3483): Replace with MongoDeprecationError
+        throw new MongoRuntimeError('OP_MSG Payload Type 1 detected unsupported protocol');
+      }
+    }
+
+    if (this.documents.length === 1 && documentsReturnedIn != null && raw) {
+      const fieldsAsRaw: Document = {};
+      fieldsAsRaw[documentsReturnedIn] = true;
+      bsonOptions.fieldsAsRaw = fieldsAsRaw;
+      const doc = BSON.deserialize(this.documents[0] as Buffer, bsonOptions);
+      this.documents = [doc];
+    }
+
+    this.parsed = true;
+  }
+
+  parseBsonSerializationOptions({ enableUtf8Validation }: BSONSerializeOptions): {
+    utf8: { writeErrors: false } | false;
+  } {
+    if (enableUtf8Validation === false) {
+      return { utf8: false };
+    }
+
+    return { utf8: { writeErrors: false } };
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/connect.ts b/node_modules/mongodb/src/cmap/connect.ts
new file mode 100644
index 000000000..fedf73113
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/connect.ts
@@ -0,0 +1,523 @@
+import type { Socket, SocketConnectOpts } from 'net';
+import * as net from 'net';
+import { SocksClient } from 'socks';
+import type { ConnectionOptions as TLSConnectionOpts, TLSSocket } from 'tls';
+import * as tls from 'tls';
+
+import type { Document } from '../bson';
+import { Int32 } from '../bson';
+import { LEGACY_HELLO_COMMAND } from '../constants';
+import {
+  MongoCompatibilityError,
+  MongoError,
+  MongoErrorLabel,
+  MongoInvalidArgumentError,
+  MongoNetworkError,
+  MongoNetworkTimeoutError,
+  MongoRuntimeError,
+  MongoServerError,
+  needsRetryableWriteLabel
+} from '../error';
+import { Callback, ClientMetadata, HostAddress, makeClientMetadata, ns } from '../utils';
+import { AuthContext, AuthProvider } from './auth/auth_provider';
+import { GSSAPI } from './auth/gssapi';
+import { MongoCR } from './auth/mongocr';
+import { MongoDBAWS } from './auth/mongodb_aws';
+import { Plain } from './auth/plain';
+import { AuthMechanism } from './auth/providers';
+import { ScramSHA1, ScramSHA256 } from './auth/scram';
+import { X509 } from './auth/x509';
+import { Connection, ConnectionOptions, CryptoConnection } from './connection';
+import {
+  MAX_SUPPORTED_SERVER_VERSION,
+  MAX_SUPPORTED_WIRE_VERSION,
+  MIN_SUPPORTED_SERVER_VERSION,
+  MIN_SUPPORTED_WIRE_VERSION
+} from './wire_protocol/constants';
+
+const AUTH_PROVIDERS = new Map<AuthMechanism | string, AuthProvider>([
+  [AuthMechanism.MONGODB_AWS, new MongoDBAWS()],
+  [AuthMechanism.MONGODB_CR, new MongoCR()],
+  [AuthMechanism.MONGODB_GSSAPI, new GSSAPI()],
+  [AuthMechanism.MONGODB_PLAIN, new Plain()],
+  [AuthMechanism.MONGODB_SCRAM_SHA1, new ScramSHA1()],
+  [AuthMechanism.MONGODB_SCRAM_SHA256, new ScramSHA256()],
+  [AuthMechanism.MONGODB_X509, new X509()]
+]);
+
+/** @public */
+export type Stream = Socket | TLSSocket;
+
+export function connect(options: ConnectionOptions, callback: Callback<Connection>): void {
+  makeConnection({ ...options, existingSocket: undefined }, (err, socket) => {
+    if (err || !socket) {
+      return callback(err);
+    }
+
+    let ConnectionType = options.connectionType ?? Connection;
+    if (options.autoEncrypter) {
+      ConnectionType = CryptoConnection;
+    }
+    performInitialHandshake(new ConnectionType(socket, options), options, callback);
+  });
+}
+
+function checkSupportedServer(hello: Document, options: ConnectionOptions) {
+  const serverVersionHighEnough =
+    hello &&
+    (typeof hello.maxWireVersion === 'number' || hello.maxWireVersion instanceof Int32) &&
+    hello.maxWireVersion >= MIN_SUPPORTED_WIRE_VERSION;
+  const serverVersionLowEnough =
+    hello &&
+    (typeof hello.minWireVersion === 'number' || hello.minWireVersion instanceof Int32) &&
+    hello.minWireVersion <= MAX_SUPPORTED_WIRE_VERSION;
+
+  if (serverVersionHighEnough) {
+    if (serverVersionLowEnough) {
+      return null;
+    }
+
+    const message = `Server at ${options.hostAddress} reports minimum wire version ${JSON.stringify(
+      hello.minWireVersion
+    )}, but this version of the Node.js Driver requires at most ${MAX_SUPPORTED_WIRE_VERSION} (MongoDB ${MAX_SUPPORTED_SERVER_VERSION})`;
+    return new MongoCompatibilityError(message);
+  }
+
+  const message = `Server at ${options.hostAddress} reports maximum wire version ${
+    JSON.stringify(hello.maxWireVersion) ?? 0
+  }, but this version of the Node.js Driver requires at least ${MIN_SUPPORTED_WIRE_VERSION} (MongoDB ${MIN_SUPPORTED_SERVER_VERSION})`;
+  return new MongoCompatibilityError(message);
+}
+
+function performInitialHandshake(
+  conn: Connection,
+  options: ConnectionOptions,
+  _callback: Callback
+) {
+  const callback: Callback<Document> = function (err, ret) {
+    if (err && conn) {
+      conn.destroy();
+    }
+    _callback(err, ret);
+  };
+
+  const credentials = options.credentials;
+  if (credentials) {
+    if (
+      !(credentials.mechanism === AuthMechanism.MONGODB_DEFAULT) &&
+      !AUTH_PROVIDERS.get(credentials.mechanism)
+    ) {
+      callback(
+        new MongoInvalidArgumentError(`AuthMechanism '${credentials.mechanism}' not supported`)
+      );
+      return;
+    }
+  }
+
+  const authContext = new AuthContext(conn, credentials, options);
+  prepareHandshakeDocument(authContext, (err, handshakeDoc) => {
+    if (err || !handshakeDoc) {
+      return callback(err);
+    }
+
+    const handshakeOptions: Document = Object.assign({}, options);
+    if (typeof options.connectTimeoutMS === 'number') {
+      // The handshake technically is a monitoring check, so its socket timeout should be connectTimeoutMS
+      handshakeOptions.socketTimeoutMS = options.connectTimeoutMS;
+    }
+
+    const start = new Date().getTime();
+    conn.command(ns('admin.$cmd'), handshakeDoc, handshakeOptions, (err, response) => {
+      if (err) {
+        callback(err);
+        return;
+      }
+
+      if (response?.ok === 0) {
+        callback(new MongoServerError(response));
+        return;
+      }
+
+      if (!('isWritablePrimary' in response)) {
+        // Provide hello-style response document.
+        response.isWritablePrimary = response[LEGACY_HELLO_COMMAND];
+      }
+
+      if (response.helloOk) {
+        conn.helloOk = true;
+      }
+
+      const supportedServerErr = checkSupportedServer(response, options);
+      if (supportedServerErr) {
+        callback(supportedServerErr);
+        return;
+      }
+
+      if (options.loadBalanced) {
+        if (!response.serviceId) {
+          return callback(
+            new MongoCompatibilityError(
+              'Driver attempted to initialize in load balancing mode, ' +
+                'but the server does not support this mode.'
+            )
+          );
+        }
+      }
+
+      // NOTE: This is metadata attached to the connection while porting away from
+      //       handshake being done in the `Server` class. Likely, it should be
+      //       relocated, or at very least restructured.
+      conn.hello = response;
+      conn.lastHelloMS = new Date().getTime() - start;
+
+      if (!response.arbiterOnly && credentials) {
+        // store the response on auth context
+        authContext.response = response;
+
+        const resolvedCredentials = credentials.resolveAuthMechanism(response);
+        const provider = AUTH_PROVIDERS.get(resolvedCredentials.mechanism);
+        if (!provider) {
+          return callback(
+            new MongoInvalidArgumentError(
+              `No AuthProvider for ${resolvedCredentials.mechanism} defined.`
+            )
+          );
+        }
+        provider.auth(authContext, err => {
+          if (err) {
+            if (err instanceof MongoError) {
+              err.addErrorLabel(MongoErrorLabel.HandshakeError);
+              if (needsRetryableWriteLabel(err, response.maxWireVersion)) {
+                err.addErrorLabel(MongoErrorLabel.RetryableWriteError);
+              }
+            }
+            return callback(err);
+          }
+          callback(undefined, conn);
+        });
+
+        return;
+      }
+
+      callback(undefined, conn);
+    });
+  });
+}
+
+export interface HandshakeDocument extends Document {
+  /**
+   * @deprecated Use hello instead
+   */
+  ismaster?: boolean;
+  hello?: boolean;
+  helloOk?: boolean;
+  client: ClientMetadata;
+  compression: string[];
+  saslSupportedMechs?: string;
+  loadBalanced?: boolean;
+}
+
+/**
+ * @internal
+ *
+ * This function is only exposed for testing purposes.
+ */
+export function prepareHandshakeDocument(
+  authContext: AuthContext,
+  callback: Callback<HandshakeDocument>
+) {
+  const options = authContext.options;
+  const compressors = options.compressors ? options.compressors : [];
+  const { serverApi } = authContext.connection;
+
+  const handshakeDoc: HandshakeDocument = {
+    [serverApi?.version ? 'hello' : LEGACY_HELLO_COMMAND]: true,
+    helloOk: true,
+    client: options.metadata || makeClientMetadata(options),
+    compression: compressors
+  };
+
+  if (options.loadBalanced === true) {
+    handshakeDoc.loadBalanced = true;
+  }
+
+  const credentials = authContext.credentials;
+  if (credentials) {
+    if (credentials.mechanism === AuthMechanism.MONGODB_DEFAULT && credentials.username) {
+      handshakeDoc.saslSupportedMechs = `${credentials.source}.${credentials.username}`;
+
+      const provider = AUTH_PROVIDERS.get(AuthMechanism.MONGODB_SCRAM_SHA256);
+      if (!provider) {
+        // This auth mechanism is always present.
+        return callback(
+          new MongoInvalidArgumentError(
+            `No AuthProvider for ${AuthMechanism.MONGODB_SCRAM_SHA256} defined.`
+          )
+        );
+      }
+      return provider.prepare(handshakeDoc, authContext, callback);
+    }
+    const provider = AUTH_PROVIDERS.get(credentials.mechanism);
+    if (!provider) {
+      return callback(
+        new MongoInvalidArgumentError(`No AuthProvider for ${credentials.mechanism} defined.`)
+      );
+    }
+    return provider.prepare(handshakeDoc, authContext, callback);
+  }
+  callback(undefined, handshakeDoc);
+}
+
+/** @public */
+export const LEGAL_TLS_SOCKET_OPTIONS = [
+  'ALPNProtocols',
+  'ca',
+  'cert',
+  'checkServerIdentity',
+  'ciphers',
+  'crl',
+  'ecdhCurve',
+  'key',
+  'minDHSize',
+  'passphrase',
+  'pfx',
+  'rejectUnauthorized',
+  'secureContext',
+  'secureProtocol',
+  'servername',
+  'session'
+] as const;
+
+/** @public */
+export const LEGAL_TCP_SOCKET_OPTIONS = [
+  'family',
+  'hints',
+  'localAddress',
+  'localPort',
+  'lookup'
+] as const;
+
+function parseConnectOptions(options: ConnectionOptions): SocketConnectOpts {
+  const hostAddress = options.hostAddress;
+  if (!hostAddress) throw new MongoInvalidArgumentError('Option "hostAddress" is required');
+
+  const result: Partial<net.TcpNetConnectOpts & net.IpcNetConnectOpts> = {};
+  for (const name of LEGAL_TCP_SOCKET_OPTIONS) {
+    if (options[name] != null) {
+      (result as Document)[name] = options[name];
+    }
+  }
+
+  if (typeof hostAddress.socketPath === 'string') {
+    result.path = hostAddress.socketPath;
+    return result as net.IpcNetConnectOpts;
+  } else if (typeof hostAddress.host === 'string') {
+    result.host = hostAddress.host;
+    result.port = hostAddress.port;
+    return result as net.TcpNetConnectOpts;
+  } else {
+    // This should never happen since we set up HostAddresses
+    // But if we don't throw here the socket could hang until timeout
+    // TODO(NODE-3483)
+    throw new MongoRuntimeError(`Unexpected HostAddress ${JSON.stringify(hostAddress)}`);
+  }
+}
+
+type MakeConnectionOptions = ConnectionOptions & { existingSocket?: Stream };
+
+function parseSslOptions(options: MakeConnectionOptions): TLSConnectionOpts {
+  const result: TLSConnectionOpts = parseConnectOptions(options);
+  // Merge in valid SSL options
+  for (const name of LEGAL_TLS_SOCKET_OPTIONS) {
+    if (options[name] != null) {
+      (result as Document)[name] = options[name];
+    }
+  }
+
+  if (options.existingSocket) {
+    result.socket = options.existingSocket;
+  }
+
+  // Set default sni servername to be the same as host
+  if (result.servername == null && result.host && !net.isIP(result.host)) {
+    result.servername = result.host;
+  }
+
+  return result;
+}
+
+const SOCKET_ERROR_EVENT_LIST = ['error', 'close', 'timeout', 'parseError'] as const;
+type ErrorHandlerEventName = typeof SOCKET_ERROR_EVENT_LIST[number] | 'cancel';
+const SOCKET_ERROR_EVENTS = new Set(SOCKET_ERROR_EVENT_LIST);
+
+function makeConnection(options: MakeConnectionOptions, _callback: Callback<Stream>) {
+  const useTLS = options.tls ?? false;
+  const keepAlive = options.keepAlive ?? true;
+  const socketTimeoutMS = options.socketTimeoutMS ?? Reflect.get(options, 'socketTimeout') ?? 0;
+  const noDelay = options.noDelay ?? true;
+  const connectTimeoutMS = options.connectTimeoutMS ?? 30000;
+  const rejectUnauthorized = options.rejectUnauthorized ?? true;
+  const keepAliveInitialDelay =
+    ((options.keepAliveInitialDelay ?? 120000) > socketTimeoutMS
+      ? Math.round(socketTimeoutMS / 2)
+      : options.keepAliveInitialDelay) ?? 120000;
+  const existingSocket = options.existingSocket;
+
+  let socket: Stream;
+  const callback: Callback<Stream> = function (err, ret) {
+    if (err && socket) {
+      socket.destroy();
+    }
+
+    _callback(err, ret);
+  };
+
+  if (options.proxyHost != null) {
+    // Currently, only Socks5 is supported.
+    return makeSocks5Connection(
+      {
+        ...options,
+        connectTimeoutMS // Should always be present for Socks5
+      },
+      callback
+    );
+  }
+
+  if (useTLS) {
+    const tlsSocket = tls.connect(parseSslOptions(options));
+    if (typeof tlsSocket.disableRenegotiation === 'function') {
+      tlsSocket.disableRenegotiation();
+    }
+    socket = tlsSocket;
+  } else if (existingSocket) {
+    // In the TLS case, parseSslOptions() sets options.socket to existingSocket,
+    // so we only need to handle the non-TLS case here (where existingSocket
+    // gives us all we need out of the box).
+    socket = existingSocket;
+  } else {
+    socket = net.createConnection(parseConnectOptions(options));
+  }
+
+  socket.setKeepAlive(keepAlive, keepAliveInitialDelay);
+  socket.setTimeout(connectTimeoutMS);
+  socket.setNoDelay(noDelay);
+
+  const connectEvent = useTLS ? 'secureConnect' : 'connect';
+  let cancellationHandler: (err: Error) => void;
+  function errorHandler(eventName: ErrorHandlerEventName) {
+    return (err: Error) => {
+      SOCKET_ERROR_EVENTS.forEach(event => socket.removeAllListeners(event));
+      if (cancellationHandler && options.cancellationToken) {
+        options.cancellationToken.removeListener('cancel', cancellationHandler);
+      }
+
+      socket.removeListener(connectEvent, connectHandler);
+      callback(connectionFailureError(eventName, err));
+    };
+  }
+
+  function connectHandler() {
+    SOCKET_ERROR_EVENTS.forEach(event => socket.removeAllListeners(event));
+    if (cancellationHandler && options.cancellationToken) {
+      options.cancellationToken.removeListener('cancel', cancellationHandler);
+    }
+
+    if ('authorizationError' in socket) {
+      if (socket.authorizationError && rejectUnauthorized) {
+        return callback(socket.authorizationError);
+      }
+    }
+
+    socket.setTimeout(socketTimeoutMS);
+    callback(undefined, socket);
+  }
+
+  SOCKET_ERROR_EVENTS.forEach(event => socket.once(event, errorHandler(event)));
+  if (options.cancellationToken) {
+    cancellationHandler = errorHandler('cancel');
+    options.cancellationToken.once('cancel', cancellationHandler);
+  }
+
+  if (existingSocket) {
+    process.nextTick(connectHandler);
+  } else {
+    socket.once(connectEvent, connectHandler);
+  }
+}
+
+function makeSocks5Connection(options: MakeConnectionOptions, callback: Callback<Stream>) {
+  const hostAddress = HostAddress.fromHostPort(
+    options.proxyHost ?? '', // proxyHost is guaranteed to set here
+    options.proxyPort ?? 1080
+  );
+
+  // First, connect to the proxy server itself:
+  makeConnection(
+    {
+      ...options,
+      hostAddress,
+      tls: false,
+      proxyHost: undefined
+    },
+    (err, rawSocket) => {
+      if (err) {
+        return callback(err);
+      }
+
+      const destination = parseConnectOptions(options) as net.TcpNetConnectOpts;
+      if (typeof destination.host !== 'string' || typeof destination.port !== 'number') {
+        return callback(
+          new MongoInvalidArgumentError('Can only make Socks5 connections to TCP hosts')
+        );
+      }
+
+      // Then, establish the Socks5 proxy connection:
+      SocksClient.createConnection({
+        existing_socket: rawSocket,
+        timeout: options.connectTimeoutMS,
+        command: 'connect',
+        destination: {
+          host: destination.host,
+          port: destination.port
+        },
+        proxy: {
+          // host and port are ignored because we pass existing_socket
+          host: 'iLoveJavaScript',
+          port: 0,
+          type: 5,
+          userId: options.proxyUsername || undefined,
+          password: options.proxyPassword || undefined
+        }
+      }).then(
+        ({ socket }) => {
+          // Finally, now treat the resulting duplex stream as the
+          // socket over which we send and receive wire protocol messages:
+          makeConnection(
+            {
+              ...options,
+              existingSocket: socket,
+              proxyHost: undefined
+            },
+            callback
+          );
+        },
+        error => callback(connectionFailureError('error', error))
+      );
+    }
+  );
+}
+
+function connectionFailureError(type: ErrorHandlerEventName, err: Error) {
+  switch (type) {
+    case 'error':
+      return new MongoNetworkError(err);
+    case 'timeout':
+      return new MongoNetworkTimeoutError('connection timed out');
+    case 'close':
+      return new MongoNetworkError('connection closed');
+    case 'cancel':
+      return new MongoNetworkError('connection establishment was cancelled');
+    default:
+      return new MongoNetworkError('unknown network error');
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/connection.ts b/node_modules/mongodb/src/cmap/connection.ts
new file mode 100644
index 000000000..416b0ee85
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/connection.ts
@@ -0,0 +1,753 @@
+import { clearTimeout, setTimeout } from 'timers';
+
+import type { BSONSerializeOptions, Document, ObjectId } from '../bson';
+import {
+  CLOSE,
+  CLUSTER_TIME_RECEIVED,
+  COMMAND_FAILED,
+  COMMAND_STARTED,
+  COMMAND_SUCCEEDED,
+  MESSAGE,
+  PINNED,
+  UNPINNED
+} from '../constants';
+import type { AutoEncrypter } from '../deps';
+import {
+  MongoCompatibilityError,
+  MongoMissingDependencyError,
+  MongoNetworkError,
+  MongoNetworkTimeoutError,
+  MongoServerError,
+  MongoWriteConcernError
+} from '../error';
+import type { ServerApi, SupportedNodeConnectionOptions } from '../mongo_client';
+import { CancellationToken, TypedEventEmitter } from '../mongo_types';
+import type { ReadPreference, ReadPreferenceLike } from '../read_preference';
+import { applySession, ClientSession, updateSessionFromResponse } from '../sessions';
+import {
+  calculateDurationInMs,
+  Callback,
+  ClientMetadata,
+  HostAddress,
+  maxWireVersion,
+  MongoDBNamespace,
+  now,
+  uuidV4
+} from '../utils';
+import type { WriteConcern } from '../write_concern';
+import type { MongoCredentials } from './auth/mongo_credentials';
+import {
+  CommandFailedEvent,
+  CommandStartedEvent,
+  CommandSucceededEvent
+} from './command_monitoring_events';
+import { BinMsg, Msg, Query, Response, WriteProtocolMessageType } from './commands';
+import type { Stream } from './connect';
+import { MessageStream, OperationDescription } from './message_stream';
+import { StreamDescription, StreamDescriptionOptions } from './stream_description';
+import { getReadPreference, isSharded } from './wire_protocol/shared';
+
+/** @internal */
+const kStream = Symbol('stream');
+/** @internal */
+const kQueue = Symbol('queue');
+/** @internal */
+const kMessageStream = Symbol('messageStream');
+/** @internal */
+const kGeneration = Symbol('generation');
+/** @internal */
+const kLastUseTime = Symbol('lastUseTime');
+/** @internal */
+const kClusterTime = Symbol('clusterTime');
+/** @internal */
+const kDescription = Symbol('description');
+/** @internal */
+const kHello = Symbol('hello');
+/** @internal */
+const kAutoEncrypter = Symbol('autoEncrypter');
+/** @internal */
+const kDelayedTimeoutId = Symbol('delayedTimeoutId');
+
+/** @internal */
+export interface QueryOptions extends BSONSerializeOptions {
+  readPreference: ReadPreference;
+  documentsReturnedIn?: string;
+  batchSize?: number;
+  limit?: number;
+  skip?: number;
+  projection?: Document;
+  tailable?: boolean;
+  awaitData?: boolean;
+  noCursorTimeout?: boolean;
+  /** @deprecated use `noCursorTimeout` instead */
+  timeout?: boolean;
+  partial?: boolean;
+  oplogReplay?: boolean;
+}
+
+/** @internal */
+export interface CommandOptions extends BSONSerializeOptions {
+  command?: boolean;
+  secondaryOk?: boolean;
+  /** Specify read preference if command supports it */
+  readPreference?: ReadPreferenceLike;
+  raw?: boolean;
+  monitoring?: boolean;
+  socketTimeoutMS?: number;
+  /** Session to use for the operation */
+  session?: ClientSession;
+  documentsReturnedIn?: string;
+  noResponse?: boolean;
+  omitReadPreference?: boolean;
+
+  // TODO(NODE-2802): Currently the CommandOptions take a property willRetryWrite which is a hint
+  // from executeOperation that the txnNum should be applied to this command.
+  // Applying a session to a command should happen as part of command construction,
+  // most likely in the CommandOperation#executeCommand method, where we have access to
+  // the details we need to determine if a txnNum should also be applied.
+  willRetryWrite?: boolean;
+
+  writeConcern?: WriteConcern;
+}
+
+/** @internal */
+export interface GetMoreOptions extends CommandOptions {
+  batchSize?: number;
+  maxTimeMS?: number;
+  maxAwaitTimeMS?: number;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions pre-4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+   */
+  comment?: unknown;
+}
+
+/** @public */
+export interface ProxyOptions {
+  proxyHost?: string;
+  proxyPort?: number;
+  proxyUsername?: string;
+  proxyPassword?: string;
+}
+
+/** @public */
+export interface ConnectionOptions
+  extends SupportedNodeConnectionOptions,
+    StreamDescriptionOptions,
+    ProxyOptions {
+  // Internal creation info
+  id: number | '<monitor>';
+  generation: number;
+  hostAddress: HostAddress;
+  // Settings
+  autoEncrypter?: AutoEncrypter;
+  serverApi?: ServerApi;
+  monitorCommands: boolean;
+  /** @internal */
+  connectionType?: typeof Connection;
+  credentials?: MongoCredentials;
+  connectTimeoutMS?: number;
+  tls: boolean;
+  keepAlive?: boolean;
+  keepAliveInitialDelay?: number;
+  noDelay?: boolean;
+  socketTimeoutMS?: number;
+  cancellationToken?: CancellationToken;
+
+  metadata: ClientMetadata;
+}
+
+/** @public */
+export interface DestroyOptions {
+  /** Force the destruction. */
+  force?: boolean;
+}
+
+/** @public */
+export type ConnectionEvents = {
+  commandStarted(event: CommandStartedEvent): void;
+  commandSucceeded(event: CommandSucceededEvent): void;
+  commandFailed(event: CommandFailedEvent): void;
+  clusterTimeReceived(clusterTime: Document): void;
+  close(): void;
+  message(message: any): void;
+  pinned(pinType: string): void;
+  unpinned(pinType: string): void;
+};
+
+/** @internal */
+export class Connection extends TypedEventEmitter<ConnectionEvents> {
+  id: number | '<monitor>';
+  address: string;
+  socketTimeoutMS: number;
+  monitorCommands: boolean;
+  closed: boolean;
+  destroyed: boolean;
+  lastHelloMS?: number;
+  serverApi?: ServerApi;
+  helloOk?: boolean;
+
+  /**@internal */
+  [kDelayedTimeoutId]: NodeJS.Timeout | null;
+  /** @internal */
+  [kDescription]: StreamDescription;
+  /** @internal */
+  [kGeneration]: number;
+  /** @internal */
+  [kLastUseTime]: number;
+  /** @internal */
+  [kQueue]: Map<number, OperationDescription>;
+  /** @internal */
+  [kMessageStream]: MessageStream;
+  /** @internal */
+  [kStream]: Stream;
+  /** @internal */
+  [kHello]: Document | null;
+  /** @internal */
+  [kClusterTime]: Document | null;
+
+  /** @event */
+  static readonly COMMAND_STARTED = COMMAND_STARTED;
+  /** @event */
+  static readonly COMMAND_SUCCEEDED = COMMAND_SUCCEEDED;
+  /** @event */
+  static readonly COMMAND_FAILED = COMMAND_FAILED;
+  /** @event */
+  static readonly CLUSTER_TIME_RECEIVED = CLUSTER_TIME_RECEIVED;
+  /** @event */
+  static readonly CLOSE = CLOSE;
+  /** @event */
+  static readonly MESSAGE = MESSAGE;
+  /** @event */
+  static readonly PINNED = PINNED;
+  /** @event */
+  static readonly UNPINNED = UNPINNED;
+
+  constructor(stream: Stream, options: ConnectionOptions) {
+    super();
+    this.id = options.id;
+    this.address = streamIdentifier(stream, options);
+    this.socketTimeoutMS = options.socketTimeoutMS ?? 0;
+    this.monitorCommands = options.monitorCommands;
+    this.serverApi = options.serverApi;
+    this.closed = false;
+    this.destroyed = false;
+    this[kHello] = null;
+    this[kClusterTime] = null;
+
+    this[kDescription] = new StreamDescription(this.address, options);
+    this[kGeneration] = options.generation;
+    this[kLastUseTime] = now();
+
+    // setup parser stream and message handling
+    this[kQueue] = new Map();
+    this[kMessageStream] = new MessageStream({
+      ...options,
+      maxBsonMessageSize: this.hello?.maxBsonMessageSize
+    });
+    this[kStream] = stream;
+
+    this[kDelayedTimeoutId] = null;
+
+    this[kMessageStream].on('message', message => this.onMessage(message));
+    this[kMessageStream].on('error', error => this.onError(error));
+    this[kStream].on('close', () => this.onClose());
+    this[kStream].on('timeout', () => this.onTimeout());
+    this[kStream].on('error', () => {
+      /* ignore errors, listen to `close` instead */
+    });
+
+    // hook the message stream up to the passed in stream
+    this[kStream].pipe(this[kMessageStream]);
+    this[kMessageStream].pipe(this[kStream]);
+  }
+
+  get description(): StreamDescription {
+    return this[kDescription];
+  }
+
+  get hello(): Document | null {
+    return this[kHello];
+  }
+
+  // the `connect` method stores the result of the handshake hello on the connection
+  set hello(response: Document | null) {
+    this[kDescription].receiveResponse(response);
+    this[kDescription] = Object.freeze(this[kDescription]);
+
+    // TODO: remove this, and only use the `StreamDescription` in the future
+    this[kHello] = response;
+  }
+
+  // Set the whether the message stream is for a monitoring connection.
+  set isMonitoringConnection(value: boolean) {
+    this[kMessageStream].isMonitoringConnection = value;
+  }
+
+  get isMonitoringConnection(): boolean {
+    return this[kMessageStream].isMonitoringConnection;
+  }
+
+  get serviceId(): ObjectId | undefined {
+    return this.hello?.serviceId;
+  }
+
+  get loadBalanced(): boolean {
+    return this.description.loadBalanced;
+  }
+
+  get generation(): number {
+    return this[kGeneration] || 0;
+  }
+
+  set generation(generation: number) {
+    this[kGeneration] = generation;
+  }
+
+  get idleTime(): number {
+    return calculateDurationInMs(this[kLastUseTime]);
+  }
+
+  get clusterTime(): Document | null {
+    return this[kClusterTime];
+  }
+
+  get stream(): Stream {
+    return this[kStream];
+  }
+
+  markAvailable(): void {
+    this[kLastUseTime] = now();
+  }
+
+  onError(error: Error) {
+    if (this.closed) {
+      return;
+    }
+
+    this[kStream].destroy(error);
+
+    this.closed = true;
+
+    for (const op of this[kQueue].values()) {
+      op.cb(error);
+    }
+
+    this[kQueue].clear();
+    this.emit(Connection.CLOSE);
+  }
+
+  onClose() {
+    if (this.closed) {
+      return;
+    }
+
+    this.closed = true;
+
+    const message = `connection ${this.id} to ${this.address} closed`;
+    for (const op of this[kQueue].values()) {
+      op.cb(new MongoNetworkError(message));
+    }
+
+    this[kQueue].clear();
+    this.emit(Connection.CLOSE);
+  }
+
+  onTimeout() {
+    if (this.closed) {
+      return;
+    }
+
+    this[kDelayedTimeoutId] = setTimeout(() => {
+      this[kStream].destroy();
+
+      this.closed = true;
+
+      const message = `connection ${this.id} to ${this.address} timed out`;
+      const beforeHandshake = this.hello == null;
+      for (const op of this[kQueue].values()) {
+        op.cb(new MongoNetworkTimeoutError(message, { beforeHandshake }));
+      }
+
+      this[kQueue].clear();
+      this.emit(Connection.CLOSE);
+    }, 1).unref(); // No need for this timer to hold the event loop open
+  }
+
+  onMessage(message: BinMsg | Response) {
+    const delayedTimeoutId = this[kDelayedTimeoutId];
+    if (delayedTimeoutId != null) {
+      clearTimeout(delayedTimeoutId);
+      this[kDelayedTimeoutId] = null;
+    }
+
+    // always emit the message, in case we are streaming
+    this.emit('message', message);
+    const operationDescription = this[kQueue].get(message.responseTo);
+    if (!operationDescription) {
+      return;
+    }
+
+    const callback = operationDescription.cb;
+
+    // SERVER-45775: For exhaust responses we should be able to use the same requestId to
+    // track response, however the server currently synthetically produces remote requests
+    // making the `responseTo` change on each response
+    this[kQueue].delete(message.responseTo);
+    if ('moreToCome' in message && message.moreToCome) {
+      // requeue the callback for next synthetic request
+      this[kQueue].set(message.requestId, operationDescription);
+    } else if (operationDescription.socketTimeoutOverride) {
+      this[kStream].setTimeout(this.socketTimeoutMS);
+    }
+
+    try {
+      // Pass in the entire description because it has BSON parsing options
+      message.parse(operationDescription);
+    } catch (err) {
+      // If this error is generated by our own code, it will already have the correct class applied
+      // if it is not, then it is coming from a catastrophic data parse failure or the BSON library
+      // in either case, it should not be wrapped
+      callback(err);
+      return;
+    }
+
+    if (message.documents[0]) {
+      const document: Document = message.documents[0];
+      const session = operationDescription.session;
+      if (session) {
+        updateSessionFromResponse(session, document);
+      }
+
+      if (document.$clusterTime) {
+        this[kClusterTime] = document.$clusterTime;
+        this.emit(Connection.CLUSTER_TIME_RECEIVED, document.$clusterTime);
+      }
+
+      if (operationDescription.command) {
+        if (document.writeConcernError) {
+          callback(new MongoWriteConcernError(document.writeConcernError, document));
+          return;
+        }
+
+        if (document.ok === 0 || document.$err || document.errmsg || document.code) {
+          callback(new MongoServerError(document));
+          return;
+        }
+      } else {
+        // Pre 3.2 support
+        if (document.ok === 0 || document.$err || document.errmsg) {
+          callback(new MongoServerError(document));
+          return;
+        }
+      }
+    }
+
+    callback(undefined, message.documents[0]);
+  }
+
+  destroy(options?: DestroyOptions, callback?: Callback): void {
+    if (typeof options === 'function') {
+      callback = options;
+      options = { force: false };
+    }
+
+    this.removeAllListeners(Connection.PINNED);
+    this.removeAllListeners(Connection.UNPINNED);
+
+    options = Object.assign({ force: false }, options);
+    if (this[kStream] == null || this.destroyed) {
+      this.destroyed = true;
+      if (typeof callback === 'function') {
+        callback();
+      }
+
+      return;
+    }
+
+    if (options.force) {
+      this[kStream].destroy();
+      this.destroyed = true;
+      if (typeof callback === 'function') {
+        callback();
+      }
+
+      return;
+    }
+
+    this[kStream].end(() => {
+      this.destroyed = true;
+      if (typeof callback === 'function') {
+        callback();
+      }
+    });
+  }
+
+  command(
+    ns: MongoDBNamespace,
+    cmd: Document,
+    options: CommandOptions | undefined,
+    callback: Callback
+  ): void {
+    const readPreference = getReadPreference(cmd, options);
+    const shouldUseOpMsg = supportsOpMsg(this);
+    const session = options?.session;
+
+    let clusterTime = this.clusterTime;
+    let finalCmd = Object.assign({}, cmd);
+
+    if (this.serverApi) {
+      const { version, strict, deprecationErrors } = this.serverApi;
+      finalCmd.apiVersion = version;
+      if (strict != null) finalCmd.apiStrict = strict;
+      if (deprecationErrors != null) finalCmd.apiDeprecationErrors = deprecationErrors;
+    }
+
+    if (hasSessionSupport(this) && session) {
+      if (
+        session.clusterTime &&
+        clusterTime &&
+        session.clusterTime.clusterTime.greaterThan(clusterTime.clusterTime)
+      ) {
+        clusterTime = session.clusterTime;
+      }
+
+      const err = applySession(session, finalCmd, options);
+      if (err) {
+        return callback(err);
+      }
+    }
+
+    // if we have a known cluster time, gossip it
+    if (clusterTime) {
+      finalCmd.$clusterTime = clusterTime;
+    }
+
+    if (isSharded(this) && !shouldUseOpMsg && readPreference && readPreference.mode !== 'primary') {
+      finalCmd = {
+        $query: finalCmd,
+        $readPreference: readPreference.toJSON()
+      };
+    }
+
+    const commandOptions: Document = Object.assign(
+      {
+        command: true,
+        numberToSkip: 0,
+        numberToReturn: -1,
+        checkKeys: false,
+        // This value is not overridable
+        secondaryOk: readPreference.secondaryOk()
+      },
+      options
+    );
+
+    const cmdNs = `${ns.db}.$cmd`;
+    const message = shouldUseOpMsg
+      ? new Msg(cmdNs, finalCmd, commandOptions)
+      : new Query(cmdNs, finalCmd, commandOptions);
+
+    try {
+      write(this, message, commandOptions, callback);
+    } catch (err) {
+      callback(err);
+    }
+  }
+}
+
+/** @internal */
+export class CryptoConnection extends Connection {
+  /** @internal */
+  [kAutoEncrypter]?: AutoEncrypter;
+
+  constructor(stream: Stream, options: ConnectionOptions) {
+    super(stream, options);
+    this[kAutoEncrypter] = options.autoEncrypter;
+  }
+
+  /** @internal @override */
+  override command(
+    ns: MongoDBNamespace,
+    cmd: Document,
+    options: CommandOptions,
+    callback: Callback
+  ): void {
+    const autoEncrypter = this[kAutoEncrypter];
+    if (!autoEncrypter) {
+      return callback(new MongoMissingDependencyError('No AutoEncrypter available for encryption'));
+    }
+
+    const serverWireVersion = maxWireVersion(this);
+    if (serverWireVersion === 0) {
+      // This means the initial handshake hasn't happened yet
+      return super.command(ns, cmd, options, callback);
+    }
+
+    if (serverWireVersion < 8) {
+      callback(
+        new MongoCompatibilityError('Auto-encryption requires a minimum MongoDB version of 4.2')
+      );
+      return;
+    }
+
+    // Save sort or indexKeys based on the command being run
+    // the encrypt API serializes our JS objects to BSON to pass to the native code layer
+    // and then deserializes the encrypted result, the protocol level components
+    // of the command (ex. sort) are then converted to JS objects potentially losing
+    // import key order information. These fields are never encrypted so we can save the values
+    // from before the encryption and replace them after encryption has been performed
+    const sort: Map<string, number> | null = cmd.find || cmd.findAndModify ? cmd.sort : null;
+    const indexKeys: Map<string, number>[] | null = cmd.createIndexes
+      ? cmd.indexes.map((index: { key: Map<string, number> }) => index.key)
+      : null;
+
+    autoEncrypter.encrypt(ns.toString(), cmd, options, (err, encrypted) => {
+      if (err || encrypted == null) {
+        callback(err, null);
+        return;
+      }
+
+      // Replace the saved values
+      if (sort != null && (cmd.find || cmd.findAndModify)) {
+        encrypted.sort = sort;
+      }
+      if (indexKeys != null && cmd.createIndexes) {
+        for (const [offset, index] of indexKeys.entries()) {
+          encrypted.indexes[offset].key = index;
+        }
+      }
+
+      super.command(ns, encrypted, options, (err, response) => {
+        if (err || response == null) {
+          callback(err, response);
+          return;
+        }
+
+        autoEncrypter.decrypt(response, options, callback);
+      });
+    });
+  }
+}
+
+/** @internal */
+export function hasSessionSupport(conn: Connection): boolean {
+  const description = conn.description;
+  return description.logicalSessionTimeoutMinutes != null || !!description.loadBalanced;
+}
+
+function supportsOpMsg(conn: Connection) {
+  const description = conn.description;
+  if (description == null) {
+    return false;
+  }
+
+  return maxWireVersion(conn) >= 6 && !description.__nodejs_mock_server__;
+}
+
+function streamIdentifier(stream: Stream, options: ConnectionOptions): string {
+  if (options.proxyHost) {
+    // If proxy options are specified, the properties of `stream` itself
+    // will not accurately reflect what endpoint this is connected to.
+    return options.hostAddress.toString();
+  }
+
+  const { remoteAddress, remotePort } = stream;
+  if (typeof remoteAddress === 'string' && typeof remotePort === 'number') {
+    return HostAddress.fromHostPort(remoteAddress, remotePort).toString();
+  }
+
+  return uuidV4().toString('hex');
+}
+
+function write(
+  conn: Connection,
+  command: WriteProtocolMessageType,
+  options: CommandOptions,
+  callback: Callback
+) {
+  options = options ?? {};
+  const operationDescription: OperationDescription = {
+    requestId: command.requestId,
+    cb: callback,
+    session: options.session,
+    noResponse: typeof options.noResponse === 'boolean' ? options.noResponse : false,
+    documentsReturnedIn: options.documentsReturnedIn,
+    command: !!options.command,
+
+    // for BSON parsing
+    promoteLongs: typeof options.promoteLongs === 'boolean' ? options.promoteLongs : true,
+    promoteValues: typeof options.promoteValues === 'boolean' ? options.promoteValues : true,
+    promoteBuffers: typeof options.promoteBuffers === 'boolean' ? options.promoteBuffers : false,
+    bsonRegExp: typeof options.bsonRegExp === 'boolean' ? options.bsonRegExp : false,
+    enableUtf8Validation:
+      typeof options.enableUtf8Validation === 'boolean' ? options.enableUtf8Validation : true,
+    raw: typeof options.raw === 'boolean' ? options.raw : false,
+    started: 0
+  };
+
+  if (conn[kDescription] && conn[kDescription].compressor) {
+    operationDescription.agreedCompressor = conn[kDescription].compressor;
+
+    if (conn[kDescription].zlibCompressionLevel) {
+      operationDescription.zlibCompressionLevel = conn[kDescription].zlibCompressionLevel;
+    }
+  }
+
+  if (typeof options.socketTimeoutMS === 'number') {
+    operationDescription.socketTimeoutOverride = true;
+    conn[kStream].setTimeout(options.socketTimeoutMS);
+  }
+
+  // if command monitoring is enabled we need to modify the callback here
+  if (conn.monitorCommands) {
+    conn.emit(Connection.COMMAND_STARTED, new CommandStartedEvent(conn, command));
+
+    operationDescription.started = now();
+    operationDescription.cb = (err, reply) => {
+      if (err) {
+        conn.emit(
+          Connection.COMMAND_FAILED,
+          new CommandFailedEvent(conn, command, err, operationDescription.started)
+        );
+      } else {
+        if (reply && (reply.ok === 0 || reply.$err)) {
+          conn.emit(
+            Connection.COMMAND_FAILED,
+            new CommandFailedEvent(conn, command, reply, operationDescription.started)
+          );
+        } else {
+          conn.emit(
+            Connection.COMMAND_SUCCEEDED,
+            new CommandSucceededEvent(conn, command, reply, operationDescription.started)
+          );
+        }
+      }
+
+      if (typeof callback === 'function') {
+        callback(err, reply);
+      }
+    };
+  }
+
+  if (!operationDescription.noResponse) {
+    conn[kQueue].set(operationDescription.requestId, operationDescription);
+  }
+
+  try {
+    conn[kMessageStream].writeCommand(command, operationDescription);
+  } catch (e) {
+    if (!operationDescription.noResponse) {
+      conn[kQueue].delete(operationDescription.requestId);
+      operationDescription.cb(e);
+      return;
+    }
+  }
+
+  if (operationDescription.noResponse) {
+    operationDescription.cb();
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/connection_pool.ts b/node_modules/mongodb/src/cmap/connection_pool.ts
new file mode 100644
index 000000000..65bbe5c7e
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/connection_pool.ts
@@ -0,0 +1,779 @@
+import Denque = require('denque');
+import { clearTimeout, setTimeout } from 'timers';
+
+import type { ObjectId } from '../bson';
+import {
+  APM_EVENTS,
+  CONNECTION_CHECK_OUT_FAILED,
+  CONNECTION_CHECK_OUT_STARTED,
+  CONNECTION_CHECKED_IN,
+  CONNECTION_CHECKED_OUT,
+  CONNECTION_CLOSED,
+  CONNECTION_CREATED,
+  CONNECTION_POOL_CLEARED,
+  CONNECTION_POOL_CLOSED,
+  CONNECTION_POOL_CREATED,
+  CONNECTION_POOL_READY,
+  CONNECTION_READY
+} from '../constants';
+import { MongoError, MongoInvalidArgumentError, MongoRuntimeError } from '../error';
+import { Logger } from '../logger';
+import { CancellationToken, TypedEventEmitter } from '../mongo_types';
+import { Callback, eachAsync, makeCounter } from '../utils';
+import { connect } from './connect';
+import { Connection, ConnectionEvents, ConnectionOptions } from './connection';
+import {
+  ConnectionCheckedInEvent,
+  ConnectionCheckedOutEvent,
+  ConnectionCheckOutFailedEvent,
+  ConnectionCheckOutStartedEvent,
+  ConnectionClosedEvent,
+  ConnectionCreatedEvent,
+  ConnectionPoolClearedEvent,
+  ConnectionPoolClosedEvent,
+  ConnectionPoolCreatedEvent,
+  ConnectionPoolReadyEvent,
+  ConnectionReadyEvent
+} from './connection_pool_events';
+import { PoolClearedError, PoolClosedError, WaitQueueTimeoutError } from './errors';
+import { ConnectionPoolMetrics } from './metrics';
+
+/** @internal */
+const kLogger = Symbol('logger');
+/** @internal */
+const kConnections = Symbol('connections');
+/** @internal */
+const kPending = Symbol('pending');
+/** @internal */
+const kCheckedOut = Symbol('checkedOut');
+/** @internal */
+const kMinPoolSizeTimer = Symbol('minPoolSizeTimer');
+/** @internal */
+const kGeneration = Symbol('generation');
+/** @internal */
+const kServiceGenerations = Symbol('serviceGenerations');
+/** @internal */
+const kConnectionCounter = Symbol('connectionCounter');
+/** @internal */
+const kCancellationToken = Symbol('cancellationToken');
+/** @internal */
+const kWaitQueue = Symbol('waitQueue');
+/** @internal */
+const kCancelled = Symbol('cancelled');
+/** @internal */
+const kMetrics = Symbol('metrics');
+/** @internal */
+const kProcessingWaitQueue = Symbol('processingWaitQueue');
+/** @internal */
+const kPoolState = Symbol('poolState');
+
+/** @public */
+export interface ConnectionPoolOptions extends Omit<ConnectionOptions, 'id' | 'generation'> {
+  /** The maximum number of connections that may be associated with a pool at a given time. This includes in use and available connections. */
+  maxPoolSize: number;
+  /** The minimum number of connections that MUST exist at any moment in a single connection pool. */
+  minPoolSize: number;
+  /** The maximum number of connections that may be in the process of being established concurrently by the connection pool. */
+  maxConnecting: number;
+  /** The maximum amount of time a connection should remain idle in the connection pool before being marked idle. */
+  maxIdleTimeMS: number;
+  /** The maximum amount of time operation execution should wait for a connection to become available. The default is 0 which means there is no limit. */
+  waitQueueTimeoutMS: number;
+  /** If we are in load balancer mode. */
+  loadBalanced: boolean;
+}
+
+/** @internal */
+export interface WaitQueueMember {
+  callback: Callback<Connection>;
+  timer?: NodeJS.Timeout;
+  [kCancelled]?: boolean;
+}
+
+/** @internal */
+export const PoolState = Object.freeze({
+  paused: 'paused',
+  ready: 'ready',
+  closed: 'closed'
+} as const);
+
+/** @public */
+export interface CloseOptions {
+  force?: boolean;
+}
+
+/** @public */
+export type ConnectionPoolEvents = {
+  connectionPoolCreated(event: ConnectionPoolCreatedEvent): void;
+  connectionPoolReady(event: ConnectionPoolReadyEvent): void;
+  connectionPoolClosed(event: ConnectionPoolClosedEvent): void;
+  connectionPoolCleared(event: ConnectionPoolClearedEvent): void;
+  connectionCreated(event: ConnectionCreatedEvent): void;
+  connectionReady(event: ConnectionReadyEvent): void;
+  connectionClosed(event: ConnectionClosedEvent): void;
+  connectionCheckOutStarted(event: ConnectionCheckOutStartedEvent): void;
+  connectionCheckOutFailed(event: ConnectionCheckOutFailedEvent): void;
+  connectionCheckedOut(event: ConnectionCheckedOutEvent): void;
+  connectionCheckedIn(event: ConnectionCheckedInEvent): void;
+} & Omit<ConnectionEvents, 'close' | 'message'>;
+
+/**
+ * A pool of connections which dynamically resizes, and emit events related to pool activity
+ * @internal
+ */
+export class ConnectionPool extends TypedEventEmitter<ConnectionPoolEvents> {
+  options: Readonly<ConnectionPoolOptions>;
+  /** @internal */
+  [kPoolState]: typeof PoolState[keyof typeof PoolState];
+  /** @internal */
+  [kLogger]: Logger;
+  /** @internal */
+  [kConnections]: Denque<Connection>;
+  /** @internal */
+  [kPending]: number;
+  /** @internal */
+  [kCheckedOut]: number;
+  /** @internal */
+  [kMinPoolSizeTimer]?: NodeJS.Timeout;
+  /**
+   * An integer representing the SDAM generation of the pool
+   * @internal
+   */
+  [kGeneration]: number;
+  /** A map of generations to service ids
+   * @internal
+   */
+  [kServiceGenerations]: Map<string, number>;
+  /** @internal */
+  [kConnectionCounter]: Generator<number>;
+  /** @internal */
+  [kCancellationToken]: CancellationToken;
+  /** @internal */
+  [kWaitQueue]: Denque<WaitQueueMember>;
+  /** @internal */
+  [kMetrics]: ConnectionPoolMetrics;
+  /** @internal */
+  [kProcessingWaitQueue]: boolean;
+
+  /**
+   * Emitted when the connection pool is created.
+   * @event
+   */
+  static readonly CONNECTION_POOL_CREATED = CONNECTION_POOL_CREATED;
+  /**
+   * Emitted once when the connection pool is closed
+   * @event
+   */
+  static readonly CONNECTION_POOL_CLOSED = CONNECTION_POOL_CLOSED;
+  /**
+   * Emitted each time the connection pool is cleared and it's generation incremented
+   * @event
+   */
+  static readonly CONNECTION_POOL_CLEARED = CONNECTION_POOL_CLEARED;
+  /**
+   * Emitted each time the connection pool is marked ready
+   * @event
+   */
+  static readonly CONNECTION_POOL_READY = CONNECTION_POOL_READY;
+  /**
+   * Emitted when a connection is created.
+   * @event
+   */
+  static readonly CONNECTION_CREATED = CONNECTION_CREATED;
+  /**
+   * Emitted when a connection becomes established, and is ready to use
+   * @event
+   */
+  static readonly CONNECTION_READY = CONNECTION_READY;
+  /**
+   * Emitted when a connection is closed
+   * @event
+   */
+  static readonly CONNECTION_CLOSED = CONNECTION_CLOSED;
+  /**
+   * Emitted when an attempt to check out a connection begins
+   * @event
+   */
+  static readonly CONNECTION_CHECK_OUT_STARTED = CONNECTION_CHECK_OUT_STARTED;
+  /**
+   * Emitted when an attempt to check out a connection fails
+   * @event
+   */
+  static readonly CONNECTION_CHECK_OUT_FAILED = CONNECTION_CHECK_OUT_FAILED;
+  /**
+   * Emitted each time a connection is successfully checked out of the connection pool
+   * @event
+   */
+  static readonly CONNECTION_CHECKED_OUT = CONNECTION_CHECKED_OUT;
+  /**
+   * Emitted each time a connection is successfully checked into the connection pool
+   * @event
+   */
+  static readonly CONNECTION_CHECKED_IN = CONNECTION_CHECKED_IN;
+
+  /** @internal */
+  constructor(options: ConnectionPoolOptions) {
+    super();
+
+    this.options = Object.freeze({
+      ...options,
+      connectionType: Connection,
+      maxPoolSize: options.maxPoolSize ?? 100,
+      minPoolSize: options.minPoolSize ?? 0,
+      maxConnecting: options.maxConnecting ?? 2,
+      maxIdleTimeMS: options.maxIdleTimeMS ?? 0,
+      waitQueueTimeoutMS: options.waitQueueTimeoutMS ?? 0,
+      autoEncrypter: options.autoEncrypter,
+      metadata: options.metadata
+    });
+
+    if (this.options.minPoolSize > this.options.maxPoolSize) {
+      throw new MongoInvalidArgumentError(
+        'Connection pool minimum size must not be greater than maximum pool size'
+      );
+    }
+
+    this[kPoolState] = PoolState.paused;
+    this[kLogger] = new Logger('ConnectionPool');
+    this[kConnections] = new Denque();
+    this[kPending] = 0;
+    this[kCheckedOut] = 0;
+    this[kMinPoolSizeTimer] = undefined;
+    this[kGeneration] = 0;
+    this[kServiceGenerations] = new Map();
+    this[kConnectionCounter] = makeCounter(1);
+    this[kCancellationToken] = new CancellationToken();
+    this[kCancellationToken].setMaxListeners(Infinity);
+    this[kWaitQueue] = new Denque();
+    this[kMetrics] = new ConnectionPoolMetrics();
+    this[kProcessingWaitQueue] = false;
+
+    process.nextTick(() => {
+      this.emit(ConnectionPool.CONNECTION_POOL_CREATED, new ConnectionPoolCreatedEvent(this));
+    });
+  }
+
+  /** The address of the endpoint the pool is connected to */
+  get address(): string {
+    return this.options.hostAddress.toString();
+  }
+
+  /**
+   * Check if the pool has been closed
+   *
+   * TODO(NODE-3263): We can remove this property once shell no longer needs it
+   */
+  get closed(): boolean {
+    return this[kPoolState] === PoolState.closed;
+  }
+
+  /** An integer representing the SDAM generation of the pool */
+  get generation(): number {
+    return this[kGeneration];
+  }
+
+  /** An integer expressing how many total connections (available + pending + in use) the pool currently has */
+  get totalConnectionCount(): number {
+    return (
+      this.availableConnectionCount + this.pendingConnectionCount + this.currentCheckedOutCount
+    );
+  }
+
+  /** An integer expressing how many connections are currently available in the pool. */
+  get availableConnectionCount(): number {
+    return this[kConnections].length;
+  }
+
+  get pendingConnectionCount(): number {
+    return this[kPending];
+  }
+
+  get currentCheckedOutCount(): number {
+    return this[kCheckedOut];
+  }
+
+  get waitQueueSize(): number {
+    return this[kWaitQueue].length;
+  }
+
+  get loadBalanced(): boolean {
+    return this.options.loadBalanced;
+  }
+
+  get serviceGenerations(): Map<string, number> {
+    return this[kServiceGenerations];
+  }
+
+  /**
+   * Get the metrics information for the pool when a wait queue timeout occurs.
+   */
+  private waitQueueErrorMetrics(): string {
+    return this[kMetrics].info(this.options.maxPoolSize);
+  }
+
+  /**
+   * Set the pool state to "ready"
+   */
+  ready(): void {
+    if (this[kPoolState] !== PoolState.paused) {
+      return;
+    }
+    this[kPoolState] = PoolState.ready;
+    this.emit(ConnectionPool.CONNECTION_POOL_READY, new ConnectionPoolReadyEvent(this));
+    clearTimeout(this[kMinPoolSizeTimer]);
+    this.ensureMinPoolSize();
+  }
+
+  /**
+   * Check a connection out of this pool. The connection will continue to be tracked, but no reference to it
+   * will be held by the pool. This means that if a connection is checked out it MUST be checked back in or
+   * explicitly destroyed by the new owner.
+   */
+  checkOut(callback: Callback<Connection>): void {
+    this.emit(
+      ConnectionPool.CONNECTION_CHECK_OUT_STARTED,
+      new ConnectionCheckOutStartedEvent(this)
+    );
+
+    const waitQueueMember: WaitQueueMember = { callback };
+    const waitQueueTimeoutMS = this.options.waitQueueTimeoutMS;
+    if (waitQueueTimeoutMS) {
+      waitQueueMember.timer = setTimeout(() => {
+        waitQueueMember[kCancelled] = true;
+        waitQueueMember.timer = undefined;
+
+        this.emit(
+          ConnectionPool.CONNECTION_CHECK_OUT_FAILED,
+          new ConnectionCheckOutFailedEvent(this, 'timeout')
+        );
+        waitQueueMember.callback(
+          new WaitQueueTimeoutError(
+            this.loadBalanced
+              ? this.waitQueueErrorMetrics()
+              : 'Timed out while checking out a connection from connection pool',
+            this.address
+          )
+        );
+      }, waitQueueTimeoutMS);
+    }
+
+    this[kWaitQueue].push(waitQueueMember);
+    process.nextTick(() => this.processWaitQueue());
+  }
+
+  /**
+   * Check a connection into the pool.
+   *
+   * @param connection - The connection to check in
+   */
+  checkIn(connection: Connection): void {
+    const poolClosed = this.closed;
+    const stale = this.connectionIsStale(connection);
+    const willDestroy = !!(poolClosed || stale || connection.closed);
+
+    if (!willDestroy) {
+      connection.markAvailable();
+      this[kConnections].unshift(connection);
+    }
+
+    this[kCheckedOut]--;
+    this.emit(ConnectionPool.CONNECTION_CHECKED_IN, new ConnectionCheckedInEvent(this, connection));
+
+    if (willDestroy) {
+      const reason = connection.closed ? 'error' : poolClosed ? 'poolClosed' : 'stale';
+      this.destroyConnection(connection, reason);
+    }
+
+    process.nextTick(() => this.processWaitQueue());
+  }
+
+  /**
+   * Clear the pool
+   *
+   * Pool reset is handled by incrementing the pool's generation count. Any existing connection of a
+   * previous generation will eventually be pruned during subsequent checkouts.
+   */
+  clear(serviceId?: ObjectId): void {
+    if (this.closed) {
+      return;
+    }
+
+    // handle load balanced case
+    if (this.loadBalanced && serviceId) {
+      const sid = serviceId.toHexString();
+      const generation = this.serviceGenerations.get(sid);
+      // Only need to worry if the generation exists, since it should
+      // always be there but typescript needs the check.
+      if (generation == null) {
+        throw new MongoRuntimeError('Service generations are required in load balancer mode.');
+      } else {
+        // Increment the generation for the service id.
+        this.serviceGenerations.set(sid, generation + 1);
+      }
+      this.emit(
+        ConnectionPool.CONNECTION_POOL_CLEARED,
+        new ConnectionPoolClearedEvent(this, serviceId)
+      );
+      return;
+    }
+
+    // handle non load-balanced case
+    this[kGeneration] += 1;
+    const alreadyPaused = this[kPoolState] === PoolState.paused;
+    this[kPoolState] = PoolState.paused;
+
+    this.clearMinPoolSizeTimer();
+    if (!alreadyPaused) {
+      this.emit(ConnectionPool.CONNECTION_POOL_CLEARED, new ConnectionPoolClearedEvent(this));
+    }
+    this.processWaitQueue();
+  }
+
+  /** Close the pool */
+  close(callback: Callback<void>): void;
+  close(options: CloseOptions, callback: Callback<void>): void;
+  close(_options?: CloseOptions | Callback<void>, _cb?: Callback<void>): void {
+    let options = _options as CloseOptions;
+    const callback = (_cb ?? _options) as Callback<void>;
+    if (typeof options === 'function') {
+      options = {};
+    }
+
+    options = Object.assign({ force: false }, options);
+    if (this.closed) {
+      return callback();
+    }
+
+    // immediately cancel any in-flight connections
+    this[kCancellationToken].emit('cancel');
+
+    // end the connection counter
+    if (typeof this[kConnectionCounter].return === 'function') {
+      this[kConnectionCounter].return(undefined);
+    }
+
+    this[kPoolState] = PoolState.closed;
+    this.clearMinPoolSizeTimer();
+    this.processWaitQueue();
+
+    eachAsync<Connection>(
+      this[kConnections].toArray(),
+      (conn, cb) => {
+        this.emit(
+          ConnectionPool.CONNECTION_CLOSED,
+          new ConnectionClosedEvent(this, conn, 'poolClosed')
+        );
+        conn.destroy(options, cb);
+      },
+      err => {
+        this[kConnections].clear();
+        this.emit(ConnectionPool.CONNECTION_POOL_CLOSED, new ConnectionPoolClosedEvent(this));
+        callback(err);
+      }
+    );
+  }
+
+  /**
+   * Runs a lambda with an implicitly checked out connection, checking that connection back in when the lambda
+   * has completed by calling back.
+   *
+   * NOTE: please note the required signature of `fn`
+   *
+   * @remarks When in load balancer mode, connections can be pinned to cursors or transactions.
+   *   In these cases we pass the connection in to this method to ensure it is used and a new
+   *   connection is not checked out.
+   *
+   * @param conn - A pinned connection for use in load balancing mode.
+   * @param fn - A function which operates on a managed connection
+   * @param callback - The original callback
+   */
+  withConnection(
+    conn: Connection | undefined,
+    fn: WithConnectionCallback,
+    callback?: Callback<Connection>
+  ): void {
+    if (conn) {
+      // use the provided connection, and do _not_ check it in after execution
+      fn(undefined, conn, (fnErr, result) => {
+        if (typeof callback === 'function') {
+          if (fnErr) {
+            callback(fnErr);
+          } else {
+            callback(undefined, result);
+          }
+        }
+      });
+
+      return;
+    }
+
+    this.checkOut((err, conn) => {
+      // don't callback with `err` here, we might want to act upon it inside `fn`
+      fn(err as MongoError, conn, (fnErr, result) => {
+        if (typeof callback === 'function') {
+          if (fnErr) {
+            callback(fnErr);
+          } else {
+            callback(undefined, result);
+          }
+        }
+
+        if (conn) {
+          this.checkIn(conn);
+        }
+      });
+    });
+  }
+
+  /** Clear the min pool size timer */
+  private clearMinPoolSizeTimer(): void {
+    const minPoolSizeTimer = this[kMinPoolSizeTimer];
+    if (minPoolSizeTimer) {
+      clearTimeout(minPoolSizeTimer);
+    }
+  }
+
+  private destroyConnection(connection: Connection, reason: string) {
+    this.emit(
+      ConnectionPool.CONNECTION_CLOSED,
+      new ConnectionClosedEvent(this, connection, reason)
+    );
+    // destroy the connection
+    process.nextTick(() => connection.destroy());
+  }
+
+  private connectionIsStale(connection: Connection) {
+    const serviceId = connection.serviceId;
+    if (this.loadBalanced && serviceId) {
+      const sid = serviceId.toHexString();
+      const generation = this.serviceGenerations.get(sid);
+      return connection.generation !== generation;
+    }
+
+    return connection.generation !== this[kGeneration];
+  }
+
+  private connectionIsIdle(connection: Connection) {
+    return !!(this.options.maxIdleTimeMS && connection.idleTime > this.options.maxIdleTimeMS);
+  }
+
+  private connectionIsPerished(connection: Connection) {
+    const isStale = this.connectionIsStale(connection);
+    const isIdle = this.connectionIsIdle(connection);
+    if (!isStale && !isIdle && !connection.closed) {
+      return false;
+    }
+    const reason = connection.closed ? 'error' : isStale ? 'stale' : 'idle';
+    this.destroyConnection(connection, reason);
+    return true;
+  }
+
+  private createConnection(callback: Callback<Connection>) {
+    const connectOptions: ConnectionOptions = {
+      ...this.options,
+      id: this[kConnectionCounter].next().value,
+      generation: this[kGeneration],
+      cancellationToken: this[kCancellationToken]
+    };
+
+    this[kPending]++;
+    // This is our version of a "virtual" no-I/O connection as the spec requires
+    this.emit(
+      ConnectionPool.CONNECTION_CREATED,
+      new ConnectionCreatedEvent(this, { id: connectOptions.id })
+    );
+
+    connect(connectOptions, (err, connection) => {
+      if (err || !connection) {
+        this[kLogger].debug(`connection attempt failed with error [${JSON.stringify(err)}]`);
+        this[kPending]--;
+        callback(err ?? new MongoRuntimeError('Connection creation failed without error'));
+        return;
+      }
+
+      // The pool might have closed since we started trying to create a connection
+      if (this[kPoolState] !== PoolState.ready) {
+        this[kPending]--;
+        connection.destroy({ force: true });
+        callback(this.closed ? new PoolClosedError(this) : new PoolClearedError(this));
+        return;
+      }
+
+      // forward all events from the connection to the pool
+      for (const event of [...APM_EVENTS, Connection.CLUSTER_TIME_RECEIVED]) {
+        connection.on(event, (e: any) => this.emit(event, e));
+      }
+
+      if (this.loadBalanced) {
+        connection.on(Connection.PINNED, pinType => this[kMetrics].markPinned(pinType));
+        connection.on(Connection.UNPINNED, pinType => this[kMetrics].markUnpinned(pinType));
+
+        const serviceId = connection.serviceId;
+        if (serviceId) {
+          let generation;
+          const sid = serviceId.toHexString();
+          if ((generation = this.serviceGenerations.get(sid))) {
+            connection.generation = generation;
+          } else {
+            this.serviceGenerations.set(sid, 0);
+            connection.generation = 0;
+          }
+        }
+      }
+
+      connection.markAvailable();
+      this.emit(ConnectionPool.CONNECTION_READY, new ConnectionReadyEvent(this, connection));
+
+      this[kPending]--;
+      callback(undefined, connection);
+      return;
+    });
+  }
+
+  private ensureMinPoolSize() {
+    const minPoolSize = this.options.minPoolSize;
+    if (this[kPoolState] !== PoolState.ready || minPoolSize === 0) {
+      return;
+    }
+
+    for (let i = 0; i < this[kConnections].length; i++) {
+      const connection = this[kConnections].peekAt(i);
+      if (connection && this.connectionIsPerished(connection)) {
+        this[kConnections].removeOne(i);
+      }
+    }
+
+    if (
+      this.totalConnectionCount < minPoolSize &&
+      this.pendingConnectionCount < this.options.maxConnecting
+    ) {
+      // NOTE: ensureMinPoolSize should not try to get all the pending
+      // connection permits because that potentially delays the availability of
+      // the connection to a checkout request
+      this.createConnection((err, connection) => {
+        if (!err && connection) {
+          this[kConnections].push(connection);
+          process.nextTick(() => this.processWaitQueue());
+        }
+        if (this[kPoolState] === PoolState.ready) {
+          clearTimeout(this[kMinPoolSizeTimer]);
+          this[kMinPoolSizeTimer] = setTimeout(() => this.ensureMinPoolSize(), 10);
+        }
+      });
+    } else {
+      clearTimeout(this[kMinPoolSizeTimer]);
+      this[kMinPoolSizeTimer] = setTimeout(() => this.ensureMinPoolSize(), 100);
+    }
+  }
+
+  private processWaitQueue() {
+    if (this[kProcessingWaitQueue]) {
+      return;
+    }
+    this[kProcessingWaitQueue] = true;
+
+    while (this.waitQueueSize) {
+      const waitQueueMember = this[kWaitQueue].peekFront();
+      if (!waitQueueMember) {
+        this[kWaitQueue].shift();
+        continue;
+      }
+
+      if (waitQueueMember[kCancelled]) {
+        this[kWaitQueue].shift();
+        continue;
+      }
+
+      if (this[kPoolState] !== PoolState.ready) {
+        const reason = this.closed ? 'poolClosed' : 'connectionError';
+        const error = this.closed ? new PoolClosedError(this) : new PoolClearedError(this);
+        this.emit(
+          ConnectionPool.CONNECTION_CHECK_OUT_FAILED,
+          new ConnectionCheckOutFailedEvent(this, reason)
+        );
+        if (waitQueueMember.timer) {
+          clearTimeout(waitQueueMember.timer);
+        }
+        this[kWaitQueue].shift();
+        waitQueueMember.callback(error);
+        continue;
+      }
+
+      if (!this.availableConnectionCount) {
+        break;
+      }
+
+      const connection = this[kConnections].shift();
+      if (!connection) {
+        break;
+      }
+
+      if (!this.connectionIsPerished(connection)) {
+        this[kCheckedOut]++;
+        this.emit(
+          ConnectionPool.CONNECTION_CHECKED_OUT,
+          new ConnectionCheckedOutEvent(this, connection)
+        );
+        if (waitQueueMember.timer) {
+          clearTimeout(waitQueueMember.timer);
+        }
+
+        this[kWaitQueue].shift();
+        waitQueueMember.callback(undefined, connection);
+      }
+    }
+
+    const { maxPoolSize, maxConnecting } = this.options;
+    while (
+      this.waitQueueSize > 0 &&
+      this.pendingConnectionCount < maxConnecting &&
+      (maxPoolSize === 0 || this.totalConnectionCount < maxPoolSize)
+    ) {
+      const waitQueueMember = this[kWaitQueue].shift();
+      if (!waitQueueMember || waitQueueMember[kCancelled]) {
+        continue;
+      }
+      this.createConnection((err, connection) => {
+        if (waitQueueMember[kCancelled]) {
+          if (!err && connection) {
+            this[kConnections].push(connection);
+          }
+        } else {
+          if (err) {
+            this.emit(
+              ConnectionPool.CONNECTION_CHECK_OUT_FAILED,
+              new ConnectionCheckOutFailedEvent(this, 'connectionError')
+            );
+          } else if (connection) {
+            this[kCheckedOut]++;
+            this.emit(
+              ConnectionPool.CONNECTION_CHECKED_OUT,
+              new ConnectionCheckedOutEvent(this, connection)
+            );
+          }
+
+          if (waitQueueMember.timer) {
+            clearTimeout(waitQueueMember.timer);
+          }
+          waitQueueMember.callback(err, connection);
+        }
+        process.nextTick(() => this.processWaitQueue());
+      });
+    }
+    this[kProcessingWaitQueue] = false;
+  }
+}
+
+/**
+ * A callback provided to `withConnection`
+ * @internal
+ *
+ * @param error - An error instance representing the error during the execution.
+ * @param connection - The managed connection which was checked out of the pool.
+ * @param callback - A function to call back after connection management is complete
+ */
+export type WithConnectionCallback = (
+  error: MongoError | undefined,
+  connection: Connection | undefined,
+  callback: Callback<Connection>
+) => void;
diff --git a/node_modules/mongodb/src/cmap/connection_pool_events.ts b/node_modules/mongodb/src/cmap/connection_pool_events.ts
new file mode 100644
index 000000000..90c4826d5
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/connection_pool_events.ts
@@ -0,0 +1,191 @@
+import type { ObjectId } from '../bson';
+import type { AnyError } from '../error';
+import type { Connection } from './connection';
+import type { ConnectionPool, ConnectionPoolOptions } from './connection_pool';
+
+/**
+ * The base export class for all monitoring events published from the connection pool
+ * @public
+ * @category Event
+ */
+export class ConnectionPoolMonitoringEvent {
+  /** A timestamp when the event was created  */
+  time: Date;
+  /** The address (host/port pair) of the pool */
+  address: string;
+
+  /** @internal */
+  constructor(pool: ConnectionPool) {
+    this.time = new Date();
+    this.address = pool.address;
+  }
+}
+
+/**
+ * An event published when a connection pool is created
+ * @public
+ * @category Event
+ */
+export class ConnectionPoolCreatedEvent extends ConnectionPoolMonitoringEvent {
+  /** The options used to create this connection pool */
+  options?: ConnectionPoolOptions;
+
+  /** @internal */
+  constructor(pool: ConnectionPool) {
+    super(pool);
+    this.options = pool.options;
+  }
+}
+
+/**
+ * An event published when a connection pool is ready
+ * @public
+ * @category Event
+ */
+export class ConnectionPoolReadyEvent extends ConnectionPoolMonitoringEvent {
+  /** @internal */
+  constructor(pool: ConnectionPool) {
+    super(pool);
+  }
+}
+
+/**
+ * An event published when a connection pool is closed
+ * @public
+ * @category Event
+ */
+export class ConnectionPoolClosedEvent extends ConnectionPoolMonitoringEvent {
+  /** @internal */
+  constructor(pool: ConnectionPool) {
+    super(pool);
+  }
+}
+
+/**
+ * An event published when a connection pool creates a new connection
+ * @public
+ * @category Event
+ */
+export class ConnectionCreatedEvent extends ConnectionPoolMonitoringEvent {
+  /** A monotonically increasing, per-pool id for the newly created connection */
+  connectionId: number | '<monitor>';
+
+  /** @internal */
+  constructor(pool: ConnectionPool, connection: { id: number | '<monitor>' }) {
+    super(pool);
+    this.connectionId = connection.id;
+  }
+}
+
+/**
+ * An event published when a connection is ready for use
+ * @public
+ * @category Event
+ */
+export class ConnectionReadyEvent extends ConnectionPoolMonitoringEvent {
+  /** The id of the connection */
+  connectionId: number | '<monitor>';
+
+  /** @internal */
+  constructor(pool: ConnectionPool, connection: Connection) {
+    super(pool);
+    this.connectionId = connection.id;
+  }
+}
+
+/**
+ * An event published when a connection is closed
+ * @public
+ * @category Event
+ */
+export class ConnectionClosedEvent extends ConnectionPoolMonitoringEvent {
+  /** The id of the connection */
+  connectionId: number | '<monitor>';
+  /** The reason the connection was closed */
+  reason: string;
+  serviceId?: ObjectId;
+
+  /** @internal */
+  constructor(pool: ConnectionPool, connection: Connection, reason: string) {
+    super(pool);
+    this.connectionId = connection.id;
+    this.reason = reason || 'unknown';
+    this.serviceId = connection.serviceId;
+  }
+}
+
+/**
+ * An event published when a request to check a connection out begins
+ * @public
+ * @category Event
+ */
+export class ConnectionCheckOutStartedEvent extends ConnectionPoolMonitoringEvent {
+  /** @internal */
+  constructor(pool: ConnectionPool) {
+    super(pool);
+  }
+}
+
+/**
+ * An event published when a request to check a connection out fails
+ * @public
+ * @category Event
+ */
+export class ConnectionCheckOutFailedEvent extends ConnectionPoolMonitoringEvent {
+  /** The reason the attempt to check out failed */
+  reason: AnyError | string;
+
+  /** @internal */
+  constructor(pool: ConnectionPool, reason: AnyError | string) {
+    super(pool);
+    this.reason = reason;
+  }
+}
+
+/**
+ * An event published when a connection is checked out of the connection pool
+ * @public
+ * @category Event
+ */
+export class ConnectionCheckedOutEvent extends ConnectionPoolMonitoringEvent {
+  /** The id of the connection */
+  connectionId: number | '<monitor>';
+
+  /** @internal */
+  constructor(pool: ConnectionPool, connection: Connection) {
+    super(pool);
+    this.connectionId = connection.id;
+  }
+}
+
+/**
+ * An event published when a connection is checked into the connection pool
+ * @public
+ * @category Event
+ */
+export class ConnectionCheckedInEvent extends ConnectionPoolMonitoringEvent {
+  /** The id of the connection */
+  connectionId: number | '<monitor>';
+
+  /** @internal */
+  constructor(pool: ConnectionPool, connection: Connection) {
+    super(pool);
+    this.connectionId = connection.id;
+  }
+}
+
+/**
+ * An event published when a connection pool is cleared
+ * @public
+ * @category Event
+ */
+export class ConnectionPoolClearedEvent extends ConnectionPoolMonitoringEvent {
+  /** @internal */
+  serviceId?: ObjectId;
+
+  /** @internal */
+  constructor(pool: ConnectionPool, serviceId?: ObjectId) {
+    super(pool);
+    this.serviceId = serviceId;
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/errors.ts b/node_modules/mongodb/src/cmap/errors.ts
new file mode 100644
index 000000000..b2892715a
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/errors.ts
@@ -0,0 +1,58 @@
+import { MongoDriverError, MongoNetworkError } from '../error';
+import type { ConnectionPool } from './connection_pool';
+
+/**
+ * An error indicating a connection pool is closed
+ * @category Error
+ */
+export class PoolClosedError extends MongoDriverError {
+  /** The address of the connection pool */
+  address: string;
+
+  constructor(pool: ConnectionPool) {
+    super('Attempted to check out a connection from closed connection pool');
+    this.address = pool.address;
+  }
+
+  override get name(): string {
+    return 'MongoPoolClosedError';
+  }
+}
+
+/**
+ * An error indicating a connection pool is currently paused
+ * @category Error
+ */
+export class PoolClearedError extends MongoNetworkError {
+  /** The address of the connection pool */
+  address: string;
+
+  constructor(pool: ConnectionPool) {
+    // TODO(NODE-3135): pass in original pool-clearing error and use in message
+    // "failed with: <original error which cleared the pool>"
+    super(`Connection pool for ${pool.address} was cleared because another operation failed`);
+    this.address = pool.address;
+  }
+
+  override get name(): string {
+    return 'MongoPoolClearedError';
+  }
+}
+
+/**
+ * An error thrown when a request to check out a connection times out
+ * @category Error
+ */
+export class WaitQueueTimeoutError extends MongoDriverError {
+  /** The address of the connection pool */
+  address: string;
+
+  constructor(message: string, address: string) {
+    super(message);
+    this.address = address;
+  }
+
+  override get name(): string {
+    return 'MongoWaitQueueTimeoutError';
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/message_stream.ts b/node_modules/mongodb/src/cmap/message_stream.ts
new file mode 100644
index 000000000..bf8cb3711
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/message_stream.ts
@@ -0,0 +1,242 @@
+import { Duplex, DuplexOptions } from 'stream';
+
+import type { BSONSerializeOptions, Document } from '../bson';
+import { MongoDecompressionError, MongoParseError } from '../error';
+import type { ClientSession } from '../sessions';
+import { BufferPool, Callback } from '../utils';
+import { BinMsg, MessageHeader, Msg, Response, WriteProtocolMessageType } from './commands';
+import {
+  compress,
+  Compressor,
+  CompressorName,
+  decompress,
+  uncompressibleCommands
+} from './wire_protocol/compression';
+import { OP_COMPRESSED, OP_MSG } from './wire_protocol/constants';
+
+const MESSAGE_HEADER_SIZE = 16;
+const COMPRESSION_DETAILS_SIZE = 9; // originalOpcode + uncompressedSize, compressorID
+
+const kDefaultMaxBsonMessageSize = 1024 * 1024 * 16 * 4;
+/** @internal */
+const kBuffer = Symbol('buffer');
+
+/** @internal */
+export interface MessageStreamOptions extends DuplexOptions {
+  maxBsonMessageSize?: number;
+}
+
+/** @internal */
+export interface OperationDescription extends BSONSerializeOptions {
+  started: number;
+  cb: Callback<Document>;
+  command: boolean;
+  documentsReturnedIn?: string;
+  noResponse: boolean;
+  raw: boolean;
+  requestId: number;
+  session?: ClientSession;
+  socketTimeoutOverride?: boolean;
+  agreedCompressor?: CompressorName;
+  zlibCompressionLevel?: number;
+  $clusterTime?: Document;
+}
+
+/**
+ * A duplex stream that is capable of reading and writing raw wire protocol messages, with
+ * support for optional compression
+ * @internal
+ */
+export class MessageStream extends Duplex {
+  /** @internal */
+  maxBsonMessageSize: number;
+  /** @internal */
+  [kBuffer]: BufferPool;
+  /** @internal */
+  isMonitoringConnection = false;
+
+  constructor(options: MessageStreamOptions = {}) {
+    super(options);
+    this.maxBsonMessageSize = options.maxBsonMessageSize || kDefaultMaxBsonMessageSize;
+    this[kBuffer] = new BufferPool();
+  }
+
+  get buffer(): BufferPool {
+    return this[kBuffer];
+  }
+
+  override _write(chunk: Buffer, _: unknown, callback: Callback<Buffer>): void {
+    this[kBuffer].append(chunk);
+    processIncomingData(this, callback);
+  }
+
+  override _read(/* size */): void {
+    // NOTE: This implementation is empty because we explicitly push data to be read
+    //       when `writeMessage` is called.
+    return;
+  }
+
+  writeCommand(
+    command: WriteProtocolMessageType,
+    operationDescription: OperationDescription
+  ): void {
+    // TODO: agreed compressor should live in `StreamDescription`
+    const compressorName: CompressorName =
+      operationDescription && operationDescription.agreedCompressor
+        ? operationDescription.agreedCompressor
+        : 'none';
+    if (compressorName === 'none' || !canCompress(command)) {
+      const data = command.toBin();
+      this.push(Array.isArray(data) ? Buffer.concat(data) : data);
+      return;
+    }
+    // otherwise, compress the message
+    const concatenatedOriginalCommandBuffer = Buffer.concat(command.toBin());
+    const messageToBeCompressed = concatenatedOriginalCommandBuffer.slice(MESSAGE_HEADER_SIZE);
+
+    // Extract information needed for OP_COMPRESSED from the uncompressed message
+    const originalCommandOpCode = concatenatedOriginalCommandBuffer.readInt32LE(12);
+
+    // Compress the message body
+    compress({ options: operationDescription }, messageToBeCompressed, (err, compressedMessage) => {
+      if (err || !compressedMessage) {
+        operationDescription.cb(err);
+        return;
+      }
+
+      // Create the msgHeader of OP_COMPRESSED
+      const msgHeader = Buffer.alloc(MESSAGE_HEADER_SIZE);
+      msgHeader.writeInt32LE(
+        MESSAGE_HEADER_SIZE + COMPRESSION_DETAILS_SIZE + compressedMessage.length,
+        0
+      ); // messageLength
+      msgHeader.writeInt32LE(command.requestId, 4); // requestID
+      msgHeader.writeInt32LE(0, 8); // responseTo (zero)
+      msgHeader.writeInt32LE(OP_COMPRESSED, 12); // opCode
+
+      // Create the compression details of OP_COMPRESSED
+      const compressionDetails = Buffer.alloc(COMPRESSION_DETAILS_SIZE);
+      compressionDetails.writeInt32LE(originalCommandOpCode, 0); // originalOpcode
+      compressionDetails.writeInt32LE(messageToBeCompressed.length, 4); // Size of the uncompressed compressedMessage, excluding the MsgHeader
+      compressionDetails.writeUInt8(Compressor[compressorName], 8); // compressorID
+      this.push(Buffer.concat([msgHeader, compressionDetails, compressedMessage]));
+    });
+  }
+}
+
+// Return whether a command contains an uncompressible command term
+// Will return true if command contains no uncompressible command terms
+function canCompress(command: WriteProtocolMessageType) {
+  const commandDoc = command instanceof Msg ? command.command : command.query;
+  const commandName = Object.keys(commandDoc)[0];
+  return !uncompressibleCommands.has(commandName);
+}
+
+function processIncomingData(stream: MessageStream, callback: Callback<Buffer>) {
+  const buffer = stream[kBuffer];
+  if (buffer.length < 4) {
+    callback();
+    return;
+  }
+
+  const sizeOfMessage = buffer.peek(4).readInt32LE();
+  if (sizeOfMessage < 0) {
+    callback(new MongoParseError(`Invalid message size: ${sizeOfMessage}`));
+    return;
+  }
+
+  if (sizeOfMessage > stream.maxBsonMessageSize) {
+    callback(
+      new MongoParseError(
+        `Invalid message size: ${sizeOfMessage}, max allowed: ${stream.maxBsonMessageSize}`
+      )
+    );
+    return;
+  }
+
+  if (sizeOfMessage > buffer.length) {
+    callback();
+    return;
+  }
+
+  const message = buffer.read(sizeOfMessage);
+  const messageHeader: MessageHeader = {
+    length: message.readInt32LE(0),
+    requestId: message.readInt32LE(4),
+    responseTo: message.readInt32LE(8),
+    opCode: message.readInt32LE(12)
+  };
+
+  const monitorHasAnotherHello = () => {
+    if (stream.isMonitoringConnection) {
+      // Can we read the next message size?
+      if (buffer.length >= 4) {
+        const sizeOfMessage = buffer.peek(4).readInt32LE();
+        if (sizeOfMessage <= buffer.length) {
+          return true;
+        }
+      }
+    }
+    return false;
+  };
+
+  let ResponseType = messageHeader.opCode === OP_MSG ? BinMsg : Response;
+  if (messageHeader.opCode !== OP_COMPRESSED) {
+    const messageBody = message.slice(MESSAGE_HEADER_SIZE);
+
+    // If we are a monitoring connection message stream and
+    // there is more in the buffer that can be read, skip processing since we
+    // want the last hello command response that is in the buffer.
+    if (monitorHasAnotherHello()) {
+      processIncomingData(stream, callback);
+    } else {
+      stream.emit('message', new ResponseType(message, messageHeader, messageBody));
+
+      if (buffer.length >= 4) {
+        processIncomingData(stream, callback);
+      } else {
+        callback();
+      }
+    }
+
+    return;
+  }
+
+  messageHeader.fromCompressed = true;
+  messageHeader.opCode = message.readInt32LE(MESSAGE_HEADER_SIZE);
+  messageHeader.length = message.readInt32LE(MESSAGE_HEADER_SIZE + 4);
+  const compressorID: Compressor = message[MESSAGE_HEADER_SIZE + 8] as Compressor;
+  const compressedBuffer = message.slice(MESSAGE_HEADER_SIZE + 9);
+
+  // recalculate based on wrapped opcode
+  ResponseType = messageHeader.opCode === OP_MSG ? BinMsg : Response;
+  decompress(compressorID, compressedBuffer, (err, messageBody) => {
+    if (err || !messageBody) {
+      callback(err);
+      return;
+    }
+
+    if (messageBody.length !== messageHeader.length) {
+      callback(
+        new MongoDecompressionError('Message body and message header must be the same length')
+      );
+
+      return;
+    }
+
+    // If we are a monitoring connection message stream and
+    // there is more in the buffer that can be read, skip processing since we
+    // want the last hello command response that is in the buffer.
+    if (monitorHasAnotherHello()) {
+      processIncomingData(stream, callback);
+    } else {
+      stream.emit('message', new ResponseType(message, messageHeader, messageBody));
+
+      if (buffer.length >= 4) {
+        processIncomingData(stream, callback);
+      } else {
+        callback();
+      }
+    }
+  });
+}
diff --git a/node_modules/mongodb/src/cmap/metrics.ts b/node_modules/mongodb/src/cmap/metrics.ts
new file mode 100644
index 000000000..b825b5393
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/metrics.ts
@@ -0,0 +1,58 @@
+/** @internal */
+export class ConnectionPoolMetrics {
+  static readonly TXN = 'txn' as const;
+  static readonly CURSOR = 'cursor' as const;
+  static readonly OTHER = 'other' as const;
+
+  txnConnections = 0;
+  cursorConnections = 0;
+  otherConnections = 0;
+
+  /**
+   * Mark a connection as pinned for a specific operation.
+   */
+  markPinned(pinType: string): void {
+    if (pinType === ConnectionPoolMetrics.TXN) {
+      this.txnConnections += 1;
+    } else if (pinType === ConnectionPoolMetrics.CURSOR) {
+      this.cursorConnections += 1;
+    } else {
+      this.otherConnections += 1;
+    }
+  }
+
+  /**
+   * Unmark a connection as pinned for an operation.
+   */
+  markUnpinned(pinType: string): void {
+    if (pinType === ConnectionPoolMetrics.TXN) {
+      this.txnConnections -= 1;
+    } else if (pinType === ConnectionPoolMetrics.CURSOR) {
+      this.cursorConnections -= 1;
+    } else {
+      this.otherConnections -= 1;
+    }
+  }
+
+  /**
+   * Return information about the cmap metrics as a string.
+   */
+  info(maxPoolSize: number): string {
+    return (
+      'Timed out while checking out a connection from connection pool: ' +
+      `maxPoolSize: ${maxPoolSize}, ` +
+      `connections in use by cursors: ${this.cursorConnections}, ` +
+      `connections in use by transactions: ${this.txnConnections}, ` +
+      `connections in use by other operations: ${this.otherConnections}`
+    );
+  }
+
+  /**
+   * Reset the metrics to the initial values.
+   */
+  reset(): void {
+    this.txnConnections = 0;
+    this.cursorConnections = 0;
+    this.otherConnections = 0;
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/stream_description.ts b/node_modules/mongodb/src/cmap/stream_description.ts
new file mode 100644
index 000000000..c5fbec0f4
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/stream_description.ts
@@ -0,0 +1,76 @@
+import type { Document } from '../bson';
+import { ServerType } from '../sdam/common';
+import { parseServerType } from '../sdam/server_description';
+import type { CompressorName } from './wire_protocol/compression';
+
+const RESPONSE_FIELDS = [
+  'minWireVersion',
+  'maxWireVersion',
+  'maxBsonObjectSize',
+  'maxMessageSizeBytes',
+  'maxWriteBatchSize',
+  'logicalSessionTimeoutMinutes'
+] as const;
+
+/** @public */
+export interface StreamDescriptionOptions {
+  compressors?: CompressorName[];
+  logicalSessionTimeoutMinutes?: number;
+  loadBalanced: boolean;
+}
+
+/** @public */
+export class StreamDescription {
+  address: string;
+  type: string;
+  minWireVersion?: number;
+  maxWireVersion?: number;
+  maxBsonObjectSize: number;
+  maxMessageSizeBytes: number;
+  maxWriteBatchSize: number;
+  compressors: CompressorName[];
+  compressor?: CompressorName;
+  logicalSessionTimeoutMinutes?: number;
+  loadBalanced: boolean;
+
+  __nodejs_mock_server__?: boolean;
+
+  zlibCompressionLevel?: number;
+
+  constructor(address: string, options?: StreamDescriptionOptions) {
+    this.address = address;
+    this.type = ServerType.Unknown;
+    this.minWireVersion = undefined;
+    this.maxWireVersion = undefined;
+    this.maxBsonObjectSize = 16777216;
+    this.maxMessageSizeBytes = 48000000;
+    this.maxWriteBatchSize = 100000;
+    this.logicalSessionTimeoutMinutes = options?.logicalSessionTimeoutMinutes;
+    this.loadBalanced = !!options?.loadBalanced;
+    this.compressors =
+      options && options.compressors && Array.isArray(options.compressors)
+        ? options.compressors
+        : [];
+  }
+
+  receiveResponse(response: Document | null): void {
+    if (response == null) {
+      return;
+    }
+    this.type = parseServerType(response);
+    for (const field of RESPONSE_FIELDS) {
+      if (response[field] != null) {
+        this[field] = response[field];
+      }
+
+      // testing case
+      if ('__nodejs_mock_server__' in response) {
+        this.__nodejs_mock_server__ = response['__nodejs_mock_server__'];
+      }
+    }
+
+    if (response.compression) {
+      this.compressor = this.compressors.filter(c => response.compression?.includes(c))[0];
+    }
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/wire_protocol/compression.ts b/node_modules/mongodb/src/cmap/wire_protocol/compression.ts
new file mode 100644
index 000000000..68e1af545
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/wire_protocol/compression.ts
@@ -0,0 +1,130 @@
+import * as zlib from 'zlib';
+
+import { LEGACY_HELLO_COMMAND } from '../../constants';
+import { PKG_VERSION, Snappy, ZStandard } from '../../deps';
+import { MongoDecompressionError, MongoInvalidArgumentError } from '../../error';
+import type { Callback } from '../../utils';
+import type { OperationDescription } from '../message_stream';
+
+/** @public */
+export const Compressor = Object.freeze({
+  none: 0,
+  snappy: 1,
+  zlib: 2,
+  zstd: 3
+} as const);
+
+/** @public */
+export type Compressor = typeof Compressor[CompressorName];
+
+/** @public */
+export type CompressorName = keyof typeof Compressor;
+
+export const uncompressibleCommands = new Set([
+  LEGACY_HELLO_COMMAND,
+  'saslStart',
+  'saslContinue',
+  'getnonce',
+  'authenticate',
+  'createUser',
+  'updateUser',
+  'copydbSaslStart',
+  'copydbgetnonce',
+  'copydb'
+]);
+
+const MAX_COMPRESSOR_ID = 3;
+const ZSTD_COMPRESSION_LEVEL = 3;
+
+// Facilitate compressing a message using an agreed compressor
+export function compress(
+  self: { options: OperationDescription & zlib.ZlibOptions },
+  dataToBeCompressed: Buffer,
+  callback: Callback<Buffer>
+): void {
+  const zlibOptions = {} as zlib.ZlibOptions;
+  switch (self.options.agreedCompressor) {
+    case 'snappy': {
+      if ('kModuleError' in Snappy) {
+        return callback(Snappy['kModuleError']);
+      }
+
+      if (Snappy[PKG_VERSION].major <= 6) {
+        Snappy.compress(dataToBeCompressed, callback);
+      } else {
+        Snappy.compress(dataToBeCompressed).then(
+          buffer => callback(undefined, buffer),
+          error => callback(error)
+        );
+      }
+      break;
+    }
+    case 'zlib':
+      // Determine zlibCompressionLevel
+      if (self.options.zlibCompressionLevel) {
+        zlibOptions.level = self.options.zlibCompressionLevel;
+      }
+      zlib.deflate(dataToBeCompressed, zlibOptions, callback as zlib.CompressCallback);
+      break;
+    case 'zstd':
+      if ('kModuleError' in ZStandard) {
+        return callback(ZStandard['kModuleError']);
+      }
+      ZStandard.compress(dataToBeCompressed, ZSTD_COMPRESSION_LEVEL).then(
+        buffer => callback(undefined, buffer),
+        error => callback(error)
+      );
+      break;
+    default:
+      throw new MongoInvalidArgumentError(
+        `Unknown compressor ${self.options.agreedCompressor} failed to compress`
+      );
+  }
+}
+
+// Decompress a message using the given compressor
+export function decompress(
+  compressorID: Compressor,
+  compressedData: Buffer,
+  callback: Callback<Buffer>
+): void {
+  if (compressorID < 0 || compressorID > MAX_COMPRESSOR_ID) {
+    throw new MongoDecompressionError(
+      `Server sent message compressed using an unsupported compressor. (Received compressor ID ${compressorID})`
+    );
+  }
+
+  switch (compressorID) {
+    case Compressor.snappy: {
+      if ('kModuleError' in Snappy) {
+        return callback(Snappy['kModuleError']);
+      }
+
+      if (Snappy[PKG_VERSION].major <= 6) {
+        Snappy.uncompress(compressedData, { asBuffer: true }, callback);
+      } else {
+        Snappy.uncompress(compressedData, { asBuffer: true }).then(
+          buffer => callback(undefined, buffer),
+          error => callback(error)
+        );
+      }
+      break;
+    }
+    case Compressor.zstd: {
+      if ('kModuleError' in ZStandard) {
+        return callback(ZStandard['kModuleError']);
+      }
+
+      ZStandard.decompress(compressedData).then(
+        buffer => callback(undefined, buffer),
+        error => callback(error)
+      );
+      break;
+    }
+    case Compressor.zlib:
+      zlib.inflate(compressedData, callback as zlib.CompressCallback);
+      break;
+    default:
+      callback(undefined, compressedData);
+  }
+}
diff --git a/node_modules/mongodb/src/cmap/wire_protocol/constants.ts b/node_modules/mongodb/src/cmap/wire_protocol/constants.ts
new file mode 100644
index 000000000..75c26d7f6
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/wire_protocol/constants.ts
@@ -0,0 +1,11 @@
+export const MIN_SUPPORTED_SERVER_VERSION = '3.6';
+export const MAX_SUPPORTED_SERVER_VERSION = '6.0';
+export const MIN_SUPPORTED_WIRE_VERSION = 6;
+export const MAX_SUPPORTED_WIRE_VERSION = 17;
+export const OP_REPLY = 1;
+export const OP_UPDATE = 2001;
+export const OP_INSERT = 2002;
+export const OP_QUERY = 2004;
+export const OP_DELETE = 2006;
+export const OP_COMPRESSED = 2012;
+export const OP_MSG = 2013;
diff --git a/node_modules/mongodb/src/cmap/wire_protocol/shared.ts b/node_modules/mongodb/src/cmap/wire_protocol/shared.ts
new file mode 100644
index 000000000..bc13ff6d8
--- /dev/null
+++ b/node_modules/mongodb/src/cmap/wire_protocol/shared.ts
@@ -0,0 +1,76 @@
+import type { Document } from '../../bson';
+import { MongoInvalidArgumentError } from '../../error';
+import type { ReadPreferenceLike } from '../../read_preference';
+import { ReadPreference } from '../../read_preference';
+import { ServerType } from '../../sdam/common';
+import type { Server } from '../../sdam/server';
+import type { ServerDescription } from '../../sdam/server_description';
+import type { Topology } from '../../sdam/topology';
+import { TopologyDescription } from '../../sdam/topology_description';
+import type { OpQueryOptions } from '../commands';
+import type { CommandOptions, Connection } from '../connection';
+
+export interface ReadPreferenceOption {
+  readPreference?: ReadPreferenceLike;
+}
+
+export function getReadPreference(cmd: Document, options?: ReadPreferenceOption): ReadPreference {
+  // Default to command version of the readPreference
+  let readPreference = cmd.readPreference || ReadPreference.primary;
+  // If we have an option readPreference override the command one
+  if (options?.readPreference) {
+    readPreference = options.readPreference;
+  }
+
+  if (typeof readPreference === 'string') {
+    readPreference = ReadPreference.fromString(readPreference);
+  }
+
+  if (!(readPreference instanceof ReadPreference)) {
+    throw new MongoInvalidArgumentError(
+      'Option "readPreference" must be a ReadPreference instance'
+    );
+  }
+
+  return readPreference;
+}
+
+export function applyCommonQueryOptions(
+  queryOptions: OpQueryOptions,
+  options: CommandOptions
+): CommandOptions {
+  Object.assign(queryOptions, {
+    raw: typeof options.raw === 'boolean' ? options.raw : false,
+    promoteLongs: typeof options.promoteLongs === 'boolean' ? options.promoteLongs : true,
+    promoteValues: typeof options.promoteValues === 'boolean' ? options.promoteValues : true,
+    promoteBuffers: typeof options.promoteBuffers === 'boolean' ? options.promoteBuffers : false,
+    bsonRegExp: typeof options.bsonRegExp === 'boolean' ? options.bsonRegExp : false,
+    enableUtf8Validation:
+      typeof options.enableUtf8Validation === 'boolean' ? options.enableUtf8Validation : true
+  });
+
+  if (options.session) {
+    queryOptions.session = options.session;
+  }
+
+  return queryOptions;
+}
+
+export function isSharded(topologyOrServer?: Topology | Server | Connection): boolean {
+  if (topologyOrServer == null) {
+    return false;
+  }
+
+  if (topologyOrServer.description && topologyOrServer.description.type === ServerType.Mongos) {
+    return true;
+  }
+
+  // NOTE: This is incredibly inefficient, and should be removed once command construction
+  //       happens based on `Server` not `Topology`.
+  if (topologyOrServer.description && topologyOrServer.description instanceof TopologyDescription) {
+    const servers: ServerDescription[] = Array.from(topologyOrServer.description.servers.values());
+    return servers.some((server: ServerDescription) => server.type === ServerType.Mongos);
+  }
+
+  return false;
+}
diff --git a/node_modules/mongodb/src/collection.ts b/node_modules/mongodb/src/collection.ts
new file mode 100644
index 000000000..7f9f0f465
--- /dev/null
+++ b/node_modules/mongodb/src/collection.ts
@@ -0,0 +1,1757 @@
+import { BSONSerializeOptions, Document, resolveBSONOptions } from './bson';
+import type { AnyBulkWriteOperation, BulkWriteOptions, BulkWriteResult } from './bulk/common';
+import { OrderedBulkOperation } from './bulk/ordered';
+import { UnorderedBulkOperation } from './bulk/unordered';
+import { ChangeStream, ChangeStreamDocument, ChangeStreamOptions } from './change_stream';
+import { AggregationCursor } from './cursor/aggregation_cursor';
+import { FindCursor } from './cursor/find_cursor';
+import { ListIndexesCursor } from './cursor/list_indexes_cursor';
+import type { Db } from './db';
+import { MongoInvalidArgumentError } from './error';
+import type { Logger, LoggerOptions } from './logger';
+import type { PkFactory } from './mongo_client';
+import type {
+  Filter,
+  Flatten,
+  OptionalUnlessRequiredId,
+  TODO_NODE_3286,
+  UpdateFilter,
+  WithId,
+  WithoutId
+} from './mongo_types';
+import type { AggregateOptions } from './operations/aggregate';
+import { BulkWriteOperation } from './operations/bulk_write';
+import type { IndexInformationOptions } from './operations/common_functions';
+import { CountOperation, CountOptions } from './operations/count';
+import { CountDocumentsOperation, CountDocumentsOptions } from './operations/count_documents';
+import {
+  DeleteManyOperation,
+  DeleteOneOperation,
+  DeleteOptions,
+  DeleteResult
+} from './operations/delete';
+import { DistinctOperation, DistinctOptions } from './operations/distinct';
+import { DropCollectionOperation, DropCollectionOptions } from './operations/drop';
+import {
+  EstimatedDocumentCountOperation,
+  EstimatedDocumentCountOptions
+} from './operations/estimated_document_count';
+import { executeOperation } from './operations/execute_operation';
+import type { FindOptions } from './operations/find';
+import {
+  FindOneAndDeleteOperation,
+  FindOneAndDeleteOptions,
+  FindOneAndReplaceOperation,
+  FindOneAndReplaceOptions,
+  FindOneAndUpdateOperation,
+  FindOneAndUpdateOptions
+} from './operations/find_and_modify';
+import {
+  CreateIndexesOperation,
+  CreateIndexesOptions,
+  CreateIndexOperation,
+  DropIndexesOperation,
+  DropIndexesOptions,
+  DropIndexOperation,
+  IndexDescription,
+  IndexesOperation,
+  IndexExistsOperation,
+  IndexInformationOperation,
+  IndexSpecification,
+  ListIndexesOptions
+} from './operations/indexes';
+import {
+  InsertManyOperation,
+  InsertManyResult,
+  InsertOneOperation,
+  InsertOneOptions,
+  InsertOneResult
+} from './operations/insert';
+import { IsCappedOperation } from './operations/is_capped';
+import {
+  MapFunction,
+  MapReduceOperation,
+  MapReduceOptions,
+  ReduceFunction
+} from './operations/map_reduce';
+import type { Hint, OperationOptions } from './operations/operation';
+import { OptionsOperation } from './operations/options_operation';
+import { RenameOperation, RenameOptions } from './operations/rename';
+import { CollStats, CollStatsOperation, CollStatsOptions } from './operations/stats';
+import {
+  ReplaceOneOperation,
+  ReplaceOptions,
+  UpdateManyOperation,
+  UpdateOneOperation,
+  UpdateOptions,
+  UpdateResult
+} from './operations/update';
+import { ReadConcern, ReadConcernLike } from './read_concern';
+import { ReadPreference, ReadPreferenceLike } from './read_preference';
+import {
+  Callback,
+  checkCollectionName,
+  DEFAULT_PK_FACTORY,
+  emitWarningOnce,
+  MongoDBNamespace,
+  normalizeHintField,
+  resolveOptions
+} from './utils';
+import { WriteConcern, WriteConcernOptions } from './write_concern';
+
+/** @public */
+export interface ModifyResult<TSchema = Document> {
+  value: WithId<TSchema> | null;
+  lastErrorObject?: Document;
+  ok: 0 | 1;
+}
+
+/** @public */
+export interface CollectionOptions
+  extends BSONSerializeOptions,
+    WriteConcernOptions,
+    LoggerOptions {
+  /**
+   * @deprecated Use readPreference instead
+   */
+  slaveOk?: boolean;
+  /** Specify a read concern for the collection. (only MongoDB 3.2 or higher supported) */
+  readConcern?: ReadConcernLike;
+  /** The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). */
+  readPreference?: ReadPreferenceLike;
+}
+
+/** @internal */
+export interface CollectionPrivate {
+  pkFactory: PkFactory;
+  db: Db;
+  options: any;
+  namespace: MongoDBNamespace;
+  readPreference?: ReadPreference;
+  bsonOptions: BSONSerializeOptions;
+  collectionHint?: Hint;
+  readConcern?: ReadConcern;
+  writeConcern?: WriteConcern;
+}
+
+/**
+ * The **Collection** class is an internal class that embodies a MongoDB collection
+ * allowing for insert/find/update/delete and other command operation on that MongoDB collection.
+ *
+ * **COLLECTION Cannot directly be instantiated**
+ * @public
+ *
+ * @example
+ * ```ts
+ * import { MongoClient } from 'mongodb';
+ *
+ * interface Pet {
+ *   name: string;
+ *   kind: 'dog' | 'cat' | 'fish';
+ * }
+ *
+ * const client = new MongoClient('mongodb://localhost:27017');
+ * const pets = client.db().collection<Pet>('pets');
+ *
+ * const petCursor = pets.find();
+ *
+ * for await (const pet of petCursor) {
+ *   console.log(`${pet.name} is a ${pet.kind}!`);
+ * }
+ * ```
+ */
+export class Collection<TSchema extends Document = Document> {
+  /** @internal */
+  s: CollectionPrivate;
+
+  /**
+   * Create a new Collection instance
+   * @internal
+   */
+  constructor(db: Db, name: string, options?: CollectionOptions) {
+    checkCollectionName(name);
+
+    // Internal state
+    this.s = {
+      db,
+      options,
+      namespace: new MongoDBNamespace(db.databaseName, name),
+      pkFactory: db.options?.pkFactory ?? DEFAULT_PK_FACTORY,
+      readPreference: ReadPreference.fromOptions(options),
+      bsonOptions: resolveBSONOptions(options, db),
+      readConcern: ReadConcern.fromOptions(options),
+      writeConcern: WriteConcern.fromOptions(options)
+    };
+  }
+
+  /**
+   * The name of the database this collection belongs to
+   */
+  get dbName(): string {
+    return this.s.namespace.db;
+  }
+
+  /**
+   * The name of this collection
+   */
+  get collectionName(): string {
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    return this.s.namespace.collection!;
+  }
+
+  /**
+   * The namespace of this collection, in the format `${this.dbName}.${this.collectionName}`
+   */
+  get namespace(): string {
+    return this.s.namespace.toString();
+  }
+
+  /**
+   * The current readConcern of the collection. If not explicitly defined for
+   * this collection, will be inherited from the parent DB
+   */
+  get readConcern(): ReadConcern | undefined {
+    if (this.s.readConcern == null) {
+      return this.s.db.readConcern;
+    }
+    return this.s.readConcern;
+  }
+
+  /**
+   * The current readPreference of the collection. If not explicitly defined for
+   * this collection, will be inherited from the parent DB
+   */
+  get readPreference(): ReadPreference | undefined {
+    if (this.s.readPreference == null) {
+      return this.s.db.readPreference;
+    }
+
+    return this.s.readPreference;
+  }
+
+  get bsonOptions(): BSONSerializeOptions {
+    return this.s.bsonOptions;
+  }
+
+  /**
+   * The current writeConcern of the collection. If not explicitly defined for
+   * this collection, will be inherited from the parent DB
+   */
+  get writeConcern(): WriteConcern | undefined {
+    if (this.s.writeConcern == null) {
+      return this.s.db.writeConcern;
+    }
+    return this.s.writeConcern;
+  }
+
+  /** The current index hint for the collection */
+  get hint(): Hint | undefined {
+    return this.s.collectionHint;
+  }
+
+  set hint(v: Hint | undefined) {
+    this.s.collectionHint = normalizeHintField(v);
+  }
+
+  /**
+   * Inserts a single document into MongoDB. If documents passed in do not contain the **_id** field,
+   * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+   * can be overridden by setting the **forceServerObjectId** flag.
+   *
+   * @param doc - The document to insert
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  insertOne(doc: OptionalUnlessRequiredId<TSchema>): Promise<InsertOneResult<TSchema>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  insertOne(
+    doc: OptionalUnlessRequiredId<TSchema>,
+    callback: Callback<InsertOneResult<TSchema>>
+  ): void;
+  insertOne(
+    doc: OptionalUnlessRequiredId<TSchema>,
+    options: InsertOneOptions
+  ): Promise<InsertOneResult<TSchema>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  insertOne(
+    doc: OptionalUnlessRequiredId<TSchema>,
+    options: InsertOneOptions,
+    callback: Callback<InsertOneResult<TSchema>>
+  ): void;
+  insertOne(
+    doc: OptionalUnlessRequiredId<TSchema>,
+    options?: InsertOneOptions | Callback<InsertOneResult<TSchema>>,
+    callback?: Callback<InsertOneResult<TSchema>>
+  ): Promise<InsertOneResult<TSchema>> | void {
+    if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    // CSFLE passes in { w: 'majority' } to ensure the lib works in both 3.x and 4.x
+    // we support that option style here only
+    if (options && Reflect.get(options, 'w')) {
+      options.writeConcern = WriteConcern.fromOptions(Reflect.get(options, 'w'));
+    }
+
+    return executeOperation(
+      this.s.db.s.client,
+      new InsertOneOperation(
+        this as TODO_NODE_3286,
+        doc,
+        resolveOptions(this, options)
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Inserts an array of documents into MongoDB. If documents passed in do not contain the **_id** field,
+   * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+   * can be overridden by setting the **forceServerObjectId** flag.
+   *
+   * @param docs - The documents to insert
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  insertMany(docs: OptionalUnlessRequiredId<TSchema>[]): Promise<InsertManyResult<TSchema>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  insertMany(
+    docs: OptionalUnlessRequiredId<TSchema>[],
+    callback: Callback<InsertManyResult<TSchema>>
+  ): void;
+  insertMany(
+    docs: OptionalUnlessRequiredId<TSchema>[],
+    options: BulkWriteOptions
+  ): Promise<InsertManyResult<TSchema>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  insertMany(
+    docs: OptionalUnlessRequiredId<TSchema>[],
+    options: BulkWriteOptions,
+    callback: Callback<InsertManyResult<TSchema>>
+  ): void;
+  insertMany(
+    docs: OptionalUnlessRequiredId<TSchema>[],
+    options?: BulkWriteOptions | Callback<InsertManyResult<TSchema>>,
+    callback?: Callback<InsertManyResult<TSchema>>
+  ): Promise<InsertManyResult<TSchema>> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ? Object.assign({}, options) : { ordered: true };
+
+    return executeOperation(
+      this.s.db.s.client,
+      new InsertManyOperation(
+        this as TODO_NODE_3286,
+        docs,
+        resolveOptions(this, options)
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Perform a bulkWrite operation without a fluent API
+   *
+   * Legal operation types are
+   * - `insertOne`
+   * - `replaceOne`
+   * - `updateOne`
+   * - `updateMany`
+   * - `deleteOne`
+   * - `deleteMany`
+   *
+   * Please note that raw operations are no longer accepted as of driver version 4.0.
+   *
+   * If documents passed in do not contain the **_id** field,
+   * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+   * can be overridden by setting the **forceServerObjectId** flag.
+   *
+   * @param operations - Bulk operations to perform
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   * @throws MongoDriverError if operations is not an array
+   */
+  bulkWrite(operations: AnyBulkWriteOperation<TSchema>[]): Promise<BulkWriteResult>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  bulkWrite(
+    operations: AnyBulkWriteOperation<TSchema>[],
+    callback: Callback<BulkWriteResult>
+  ): void;
+  bulkWrite(
+    operations: AnyBulkWriteOperation<TSchema>[],
+    options: BulkWriteOptions
+  ): Promise<BulkWriteResult>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  bulkWrite(
+    operations: AnyBulkWriteOperation<TSchema>[],
+    options: BulkWriteOptions,
+    callback: Callback<BulkWriteResult>
+  ): void;
+  bulkWrite(
+    operations: AnyBulkWriteOperation<TSchema>[],
+    options?: BulkWriteOptions | Callback<BulkWriteResult>,
+    callback?: Callback<BulkWriteResult>
+  ): Promise<BulkWriteResult> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options || { ordered: true };
+
+    if (!Array.isArray(operations)) {
+      throw new MongoInvalidArgumentError('Argument "operations" must be an array of documents');
+    }
+
+    return executeOperation(
+      this.s.db.s.client,
+      new BulkWriteOperation(
+        this as TODO_NODE_3286,
+        operations as TODO_NODE_3286,
+        resolveOptions(this, options)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Update a single document in a collection
+   *
+   * @param filter - The filter used to select the document to update
+   * @param update - The update operations to be applied to the document
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  updateOne(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema> | Partial<TSchema>
+  ): Promise<UpdateResult>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  updateOne(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema> | Partial<TSchema>,
+    callback: Callback<UpdateResult>
+  ): void;
+  updateOne(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema> | Partial<TSchema>,
+    options: UpdateOptions
+  ): Promise<UpdateResult>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  updateOne(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema> | Partial<TSchema>,
+    options: UpdateOptions,
+    callback: Callback<UpdateResult>
+  ): void;
+  updateOne(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema> | Partial<TSchema>,
+    options?: UpdateOptions | Callback<UpdateResult>,
+    callback?: Callback<UpdateResult>
+  ): Promise<UpdateResult> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new UpdateOneOperation(
+        this as TODO_NODE_3286,
+        filter,
+        update,
+        resolveOptions(this, options)
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Replace a document in a collection with another document
+   *
+   * @param filter - The filter used to select the document to replace
+   * @param replacement - The Document that replaces the matching document
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  replaceOne(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>
+  ): Promise<UpdateResult | Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  replaceOne(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    callback: Callback<UpdateResult | Document>
+  ): void;
+  replaceOne(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    options: ReplaceOptions
+  ): Promise<UpdateResult | Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  replaceOne(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    options: ReplaceOptions,
+    callback: Callback<UpdateResult | Document>
+  ): void;
+  replaceOne(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    options?: ReplaceOptions | Callback<UpdateResult | Document>,
+    callback?: Callback<UpdateResult | Document>
+  ): Promise<UpdateResult | Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new ReplaceOneOperation(
+        this as TODO_NODE_3286,
+        filter,
+        replacement,
+        resolveOptions(this, options)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Update multiple documents in a collection
+   *
+   * @param filter - The filter used to select the documents to update
+   * @param update - The update operations to be applied to the documents
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  updateMany(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>
+  ): Promise<UpdateResult | Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  updateMany(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    callback: Callback<UpdateResult | Document>
+  ): void;
+  updateMany(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options: UpdateOptions
+  ): Promise<UpdateResult | Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  updateMany(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options: UpdateOptions,
+    callback: Callback<UpdateResult | Document>
+  ): void;
+  updateMany(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options?: UpdateOptions | Callback<UpdateResult | Document>,
+    callback?: Callback<UpdateResult | Document>
+  ): Promise<UpdateResult | Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new UpdateManyOperation(
+        this as TODO_NODE_3286,
+        filter,
+        update,
+        resolveOptions(this, options)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Delete a document from a collection
+   *
+   * @param filter - The filter used to select the document to remove
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  deleteOne(filter: Filter<TSchema>): Promise<DeleteResult>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  deleteOne(filter: Filter<TSchema>, callback: Callback<DeleteResult>): void;
+  deleteOne(filter: Filter<TSchema>, options: DeleteOptions): Promise<DeleteResult>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  deleteOne(
+    filter: Filter<TSchema>,
+    options: DeleteOptions,
+    callback?: Callback<DeleteResult>
+  ): void;
+  deleteOne(
+    filter: Filter<TSchema>,
+    options?: DeleteOptions | Callback<DeleteResult>,
+    callback?: Callback<DeleteResult>
+  ): Promise<DeleteResult> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new DeleteOneOperation(this as TODO_NODE_3286, filter, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Delete multiple documents from a collection
+   *
+   * @param filter - The filter used to select the documents to remove
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  deleteMany(filter: Filter<TSchema>): Promise<DeleteResult>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  deleteMany(filter: Filter<TSchema>, callback: Callback<DeleteResult>): void;
+  deleteMany(filter: Filter<TSchema>, options: DeleteOptions): Promise<DeleteResult>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  deleteMany(
+    filter: Filter<TSchema>,
+    options: DeleteOptions,
+    callback: Callback<DeleteResult>
+  ): void;
+  deleteMany(
+    filter: Filter<TSchema>,
+    options?: DeleteOptions | Callback<DeleteResult>,
+    callback?: Callback<DeleteResult>
+  ): Promise<DeleteResult> | void {
+    if (filter == null) {
+      filter = {};
+      options = {};
+      callback = undefined;
+    } else if (typeof filter === 'function') {
+      callback = filter as Callback<DeleteResult>;
+      filter = {};
+      options = {};
+    } else if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    return executeOperation(
+      this.s.db.s.client,
+      new DeleteManyOperation(this as TODO_NODE_3286, filter, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Rename the collection.
+   *
+   * @remarks
+   * This operation does not inherit options from the Db or MongoClient.
+   *
+   * @param newName - New name of of the collection.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  rename(newName: string): Promise<Collection>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  rename(newName: string, callback: Callback<Collection>): void;
+  rename(newName: string, options: RenameOptions): Promise<Collection>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  rename(newName: string, options: RenameOptions, callback: Callback<Collection>): void;
+  rename(
+    newName: string,
+    options?: RenameOptions | Callback<Collection>,
+    callback?: Callback<Collection>
+  ): Promise<Collection> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    // Intentionally, we do not inherit options from parent for this operation.
+    return executeOperation(
+      this.s.db.s.client,
+      new RenameOperation(this as TODO_NODE_3286, newName, {
+        ...options,
+        readPreference: ReadPreference.PRIMARY
+      }),
+      callback
+    );
+  }
+
+  /**
+   * Drop the collection from the database, removing it permanently. New accesses will create a new collection.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  drop(): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  drop(callback: Callback<boolean>): void;
+  drop(options: DropCollectionOptions): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  drop(options: DropCollectionOptions, callback: Callback<boolean>): void;
+  drop(
+    options?: DropCollectionOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return executeOperation(
+      this.s.db.s.client,
+      new DropCollectionOperation(this.s.db, this.collectionName, options),
+      callback
+    );
+  }
+
+  /**
+   * Fetches the first document that matches the filter
+   *
+   * @param filter - Query for find Operation
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  findOne(): Promise<WithId<TSchema> | null>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  findOne(callback: Callback<WithId<TSchema> | null>): void;
+  findOne(filter: Filter<TSchema>): Promise<WithId<TSchema> | null>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  findOne(filter: Filter<TSchema>, callback: Callback<WithId<TSchema> | null>): void;
+  findOne(filter: Filter<TSchema>, options: FindOptions): Promise<WithId<TSchema> | null>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  findOne(
+    filter: Filter<TSchema>,
+    options: FindOptions,
+    callback: Callback<WithId<TSchema> | null>
+  ): void;
+
+  // allow an override of the schema.
+  findOne<T = TSchema>(): Promise<T | null>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  findOne<T = TSchema>(callback: Callback<T | null>): void;
+  findOne<T = TSchema>(filter: Filter<TSchema>): Promise<T | null>;
+  findOne<T = TSchema>(filter: Filter<TSchema>, options?: FindOptions): Promise<T | null>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  findOne<T = TSchema>(
+    filter: Filter<TSchema>,
+    options?: FindOptions,
+    callback?: Callback<T | null>
+  ): void;
+
+  findOne(
+    filter?: Filter<TSchema> | Callback<WithId<TSchema> | null>,
+    options?: FindOptions | Callback<WithId<TSchema> | null>,
+    callback?: Callback<WithId<TSchema> | null>
+  ): Promise<WithId<TSchema> | null> | void {
+    if (callback != null && typeof callback !== 'function') {
+      throw new MongoInvalidArgumentError(
+        'Third parameter to `findOne()` must be a callback or undefined'
+      );
+    }
+
+    if (typeof filter === 'function') {
+      callback = filter;
+      filter = {};
+      options = {};
+    }
+    if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    const finalFilter = filter ?? {};
+    const finalOptions = options ?? {};
+    return this.find(finalFilter, finalOptions).limit(-1).batchSize(1).next(callback);
+  }
+
+  /**
+   * Creates a cursor for a filter that can be used to iterate over results from MongoDB
+   *
+   * @param filter - The filter predicate. If unspecified, then all documents in the collection will match the predicate
+   */
+  find(): FindCursor<WithId<TSchema>>;
+  find(filter: Filter<TSchema>, options?: FindOptions): FindCursor<WithId<TSchema>>;
+  find<T extends Document>(filter: Filter<TSchema>, options?: FindOptions): FindCursor<T>;
+  find(filter?: Filter<TSchema>, options?: FindOptions): FindCursor<WithId<TSchema>> {
+    if (arguments.length > 2) {
+      throw new MongoInvalidArgumentError(
+        'Method "collection.find()" accepts at most two arguments'
+      );
+    }
+    if (typeof options === 'function') {
+      throw new MongoInvalidArgumentError('Argument "options" must not be function');
+    }
+
+    return new FindCursor<WithId<TSchema>>(
+      this.s.db.s.client,
+      this.s.namespace,
+      filter,
+      resolveOptions(this as TODO_NODE_3286, options)
+    );
+  }
+
+  /**
+   * Returns the options of the collection.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  options(): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  options(callback: Callback<Document>): void;
+  options(options: OperationOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  options(options: OperationOptions, callback: Callback<Document>): void;
+  options(
+    options?: OperationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new OptionsOperation(this as TODO_NODE_3286, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Returns if the collection is a capped collection
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  isCapped(): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  isCapped(callback: Callback<boolean>): void;
+  isCapped(options: OperationOptions): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  isCapped(options: OperationOptions, callback: Callback<boolean>): void;
+  isCapped(
+    options?: OperationOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new IsCappedOperation(this as TODO_NODE_3286, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Creates an index on the db and collection collection.
+   *
+   * @param indexSpec - The field name or index specification to create an index for
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   *
+   * @example
+   * ```ts
+   * const collection = client.db('foo').collection('bar');
+   *
+   * await collection.createIndex({ a: 1, b: -1 });
+   *
+   * // Alternate syntax for { c: 1, d: -1 } that ensures order of indexes
+   * await collection.createIndex([ [c, 1], [d, -1] ]);
+   *
+   * // Equivalent to { e: 1 }
+   * await collection.createIndex('e');
+   *
+   * // Equivalent to { f: 1, g: 1 }
+   * await collection.createIndex(['f', 'g'])
+   *
+   * // Equivalent to { h: 1, i: -1 }
+   * await collection.createIndex([ { h: 1 }, { i: -1 } ]);
+   *
+   * // Equivalent to { j: 1, k: -1, l: 2d }
+   * await collection.createIndex(['j', ['k', -1], { l: '2d' }])
+   * ```
+   */
+  createIndex(indexSpec: IndexSpecification): Promise<string>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  createIndex(indexSpec: IndexSpecification, callback: Callback<string>): void;
+  createIndex(indexSpec: IndexSpecification, options: CreateIndexesOptions): Promise<string>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  createIndex(
+    indexSpec: IndexSpecification,
+    options: CreateIndexesOptions,
+    callback: Callback<string>
+  ): void;
+  createIndex(
+    indexSpec: IndexSpecification,
+    options?: CreateIndexesOptions | Callback<string>,
+    callback?: Callback<string>
+  ): Promise<string> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new CreateIndexOperation(
+        this as TODO_NODE_3286,
+        this.collectionName,
+        indexSpec,
+        resolveOptions(this, options)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Creates multiple indexes in the collection, this method is only supported for
+   * MongoDB 2.6 or higher. Earlier version of MongoDB will throw a command not supported
+   * error.
+   *
+   * **Note**: Unlike {@link Collection#createIndex| createIndex}, this function takes in raw index specifications.
+   * Index specifications are defined {@link http://docs.mongodb.org/manual/reference/command/createIndexes/| here}.
+   *
+   * @param indexSpecs - An array of index specifications to be created
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   *
+   * @example
+   * ```ts
+   * const collection = client.db('foo').collection('bar');
+   * await collection.createIndexes([
+   *   // Simple index on field fizz
+   *   {
+   *     key: { fizz: 1 },
+   *   }
+   *   // wildcard index
+   *   {
+   *     key: { '$**': 1 }
+   *   },
+   *   // named index on darmok and jalad
+   *   {
+   *     key: { darmok: 1, jalad: -1 }
+   *     name: 'tanagra'
+   *   }
+   * ]);
+   * ```
+   */
+  createIndexes(indexSpecs: IndexDescription[]): Promise<string[]>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  createIndexes(indexSpecs: IndexDescription[], callback: Callback<string[]>): void;
+  createIndexes(indexSpecs: IndexDescription[], options: CreateIndexesOptions): Promise<string[]>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  createIndexes(
+    indexSpecs: IndexDescription[],
+    options: CreateIndexesOptions,
+    callback: Callback<string[]>
+  ): void;
+  createIndexes(
+    indexSpecs: IndexDescription[],
+    options?: CreateIndexesOptions | Callback<string[]>,
+    callback?: Callback<string[]>
+  ): Promise<string[]> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ? Object.assign({}, options) : {};
+    if (typeof options.maxTimeMS !== 'number') delete options.maxTimeMS;
+
+    return executeOperation(
+      this.s.db.s.client,
+      new CreateIndexesOperation(
+        this as TODO_NODE_3286,
+        this.collectionName,
+        indexSpecs,
+        resolveOptions(this, options)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Drops an index from this collection.
+   *
+   * @param indexName - Name of the index to drop.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  dropIndex(indexName: string): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  dropIndex(indexName: string, callback: Callback<Document>): void;
+  dropIndex(indexName: string, options: DropIndexesOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  dropIndex(indexName: string, options: DropIndexesOptions, callback: Callback<Document>): void;
+  dropIndex(
+    indexName: string,
+    options?: DropIndexesOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = resolveOptions(this, options);
+
+    // Run only against primary
+    options.readPreference = ReadPreference.primary;
+
+    return executeOperation(
+      this.s.db.s.client,
+      new DropIndexOperation(this as TODO_NODE_3286, indexName, options),
+      callback
+    );
+  }
+
+  /**
+   * Drops all indexes from this collection.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  dropIndexes(): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  dropIndexes(callback: Callback<Document>): void;
+  dropIndexes(options: DropIndexesOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  dropIndexes(options: DropIndexesOptions, callback: Callback<Document>): void;
+  dropIndexes(
+    options?: DropIndexesOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new DropIndexesOperation(this as TODO_NODE_3286, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Get the list of all indexes information for the collection.
+   *
+   * @param options - Optional settings for the command
+   */
+  listIndexes(options?: ListIndexesOptions): ListIndexesCursor {
+    return new ListIndexesCursor(this as TODO_NODE_3286, resolveOptions(this, options));
+  }
+
+  /**
+   * Checks if one or more indexes exist on the collection, fails on first non-existing index
+   *
+   * @param indexes - One or more index names to check.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  indexExists(indexes: string | string[]): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  indexExists(indexes: string | string[], callback: Callback<boolean>): void;
+  indexExists(indexes: string | string[], options: IndexInformationOptions): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  indexExists(
+    indexes: string | string[],
+    options: IndexInformationOptions,
+    callback: Callback<boolean>
+  ): void;
+  indexExists(
+    indexes: string | string[],
+    options?: IndexInformationOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new IndexExistsOperation(this as TODO_NODE_3286, indexes, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Retrieves this collections index info.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  indexInformation(): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  indexInformation(callback: Callback<Document>): void;
+  indexInformation(options: IndexInformationOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  indexInformation(options: IndexInformationOptions, callback: Callback<Document>): void;
+  indexInformation(
+    options?: IndexInformationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new IndexInformationOperation(this.s.db, this.collectionName, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Gets an estimate of the count of documents in a collection using collection metadata.
+   * This will always run a count command on all server versions.
+   *
+   * due to an oversight in versions 5.0.0-5.0.8 of MongoDB, the count command,
+   * which estimatedDocumentCount uses in its implementation, was not included in v1 of
+   * the Stable API, and so users of the Stable API with estimatedDocumentCount are
+   * recommended to upgrade their server version to 5.0.9+ or set apiStrict: false to avoid
+   * encountering errors.
+   *
+   * @see {@link https://www.mongodb.com/docs/manual/reference/command/count/#behavior|Count: Behavior}
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  estimatedDocumentCount(): Promise<number>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  estimatedDocumentCount(callback: Callback<number>): void;
+  estimatedDocumentCount(options: EstimatedDocumentCountOptions): Promise<number>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  estimatedDocumentCount(options: EstimatedDocumentCountOptions, callback: Callback<number>): void;
+  estimatedDocumentCount(
+    options?: EstimatedDocumentCountOptions | Callback<number>,
+    callback?: Callback<number>
+  ): Promise<number> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    return executeOperation(
+      this.s.db.s.client,
+      new EstimatedDocumentCountOperation(this as TODO_NODE_3286, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Gets the number of documents matching the filter.
+   * For a fast count of the total documents in a collection see {@link Collection#estimatedDocumentCount| estimatedDocumentCount}.
+   * **Note**: When migrating from {@link Collection#count| count} to {@link Collection#countDocuments| countDocuments}
+   * the following query operators must be replaced:
+   *
+   * | Operator | Replacement |
+   * | -------- | ----------- |
+   * | `$where`   | [`$expr`][1] |
+   * | `$near`    | [`$geoWithin`][2] with [`$center`][3] |
+   * | `$nearSphere` | [`$geoWithin`][2] with [`$centerSphere`][4] |
+   *
+   * [1]: https://docs.mongodb.com/manual/reference/operator/query/expr/
+   * [2]: https://docs.mongodb.com/manual/reference/operator/query/geoWithin/
+   * [3]: https://docs.mongodb.com/manual/reference/operator/query/center/#op._S_center
+   * [4]: https://docs.mongodb.com/manual/reference/operator/query/centerSphere/#op._S_centerSphere
+   *
+   * @param filter - The filter for the count
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   *
+   * @see https://docs.mongodb.com/manual/reference/operator/query/expr/
+   * @see https://docs.mongodb.com/manual/reference/operator/query/geoWithin/
+   * @see https://docs.mongodb.com/manual/reference/operator/query/center/#op._S_center
+   * @see https://docs.mongodb.com/manual/reference/operator/query/centerSphere/#op._S_centerSphere
+   */
+  countDocuments(): Promise<number>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  countDocuments(callback: Callback<number>): void;
+  countDocuments(filter: Filter<TSchema>): Promise<number>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  countDocuments(callback: Callback<number>): void;
+  countDocuments(filter: Filter<TSchema>, options: CountDocumentsOptions): Promise<number>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  countDocuments(
+    filter: Filter<TSchema>,
+    options: CountDocumentsOptions,
+    callback: Callback<number>
+  ): void;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  countDocuments(filter: Filter<TSchema>, callback: Callback<number>): void;
+  countDocuments(
+    filter?: Document | CountDocumentsOptions | Callback<number>,
+    options?: CountDocumentsOptions | Callback<number>,
+    callback?: Callback<number>
+  ): Promise<number> | void {
+    if (filter == null) {
+      (filter = {}), (options = {}), (callback = undefined);
+    } else if (typeof filter === 'function') {
+      (callback = filter as Callback<number>), (filter = {}), (options = {});
+    } else {
+      if (arguments.length === 2) {
+        if (typeof options === 'function') (callback = options), (options = {});
+      }
+    }
+
+    filter ??= {};
+    return executeOperation(
+      this.s.db.s.client,
+      new CountDocumentsOperation(
+        this as TODO_NODE_3286,
+        filter,
+        resolveOptions(this, options as CountDocumentsOptions)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * The distinct command returns a list of distinct values for the given key across a collection.
+   *
+   * @param key - Field of the document to find distinct values for
+   * @param filter - The filter for filtering the set of documents to which we apply the distinct filter.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key
+  ): Promise<Array<Flatten<WithId<TSchema>[Key]>>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key,
+    callback: Callback<Array<Flatten<WithId<TSchema>[Key]>>>
+  ): void;
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key,
+    filter: Filter<TSchema>
+  ): Promise<Array<Flatten<WithId<TSchema>[Key]>>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key,
+    filter: Filter<TSchema>,
+    callback: Callback<Array<Flatten<WithId<TSchema>[Key]>>>
+  ): void;
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key,
+    filter: Filter<TSchema>,
+    options: DistinctOptions
+  ): Promise<Array<Flatten<WithId<TSchema>[Key]>>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key,
+    filter: Filter<TSchema>,
+    options: DistinctOptions,
+    callback: Callback<Array<Flatten<WithId<TSchema>[Key]>>>
+  ): void;
+
+  // Embedded documents overload
+  distinct(key: string): Promise<any[]>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  distinct(key: string, callback: Callback<any[]>): void;
+  distinct(key: string, filter: Filter<TSchema>): Promise<any[]>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  distinct(key: string, filter: Filter<TSchema>, callback: Callback<any[]>): void;
+  distinct(key: string, filter: Filter<TSchema>, options: DistinctOptions): Promise<any[]>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  distinct(
+    key: string,
+    filter: Filter<TSchema>,
+    options: DistinctOptions,
+    callback: Callback<any[]>
+  ): void;
+  // Implementation
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key,
+    filter?: Filter<TSchema> | DistinctOptions | Callback<any[]>,
+    options?: DistinctOptions | Callback<any[]>,
+    callback?: Callback<any[]>
+  ): Promise<any[]> | void {
+    if (typeof filter === 'function') {
+      (callback = filter), (filter = {}), (options = {});
+    } else {
+      if (arguments.length === 3 && typeof options === 'function') {
+        (callback = options), (options = {});
+      }
+    }
+
+    filter ??= {};
+    return executeOperation(
+      this.s.db.s.client,
+      new DistinctOperation(
+        this as TODO_NODE_3286,
+        key as TODO_NODE_3286,
+        filter,
+        resolveOptions(this, options as DistinctOptions)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Retrieve all the indexes on the collection.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  indexes(): Promise<Document[]>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  indexes(callback: Callback<Document[]>): void;
+  indexes(options: IndexInformationOptions): Promise<Document[]>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  indexes(options: IndexInformationOptions, callback: Callback<Document[]>): void;
+  indexes(
+    options?: IndexInformationOptions | Callback<Document[]>,
+    callback?: Callback<Document[]>
+  ): Promise<Document[]> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new IndexesOperation(this as TODO_NODE_3286, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Get all the collection statistics.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  stats(): Promise<CollStats>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  stats(callback: Callback<CollStats>): void;
+  stats(options: CollStatsOptions): Promise<CollStats>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  stats(options: CollStatsOptions, callback: Callback<CollStats>): void;
+  stats(
+    options?: CollStatsOptions | Callback<CollStats>,
+    callback?: Callback<CollStats>
+  ): Promise<CollStats> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return executeOperation(
+      this.s.db.s.client,
+      new CollStatsOperation(this as TODO_NODE_3286, options),
+      callback
+    );
+  }
+
+  /**
+   * Find a document and delete it in one atomic operation. Requires a write lock for the duration of the operation.
+   *
+   * @param filter - The filter used to select the document to remove
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  findOneAndDelete(filter: Filter<TSchema>): Promise<ModifyResult<TSchema>>;
+  findOneAndDelete(
+    filter: Filter<TSchema>,
+    options: FindOneAndDeleteOptions
+  ): Promise<ModifyResult<TSchema>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  findOneAndDelete(filter: Filter<TSchema>, callback: Callback<ModifyResult<TSchema>>): void;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  findOneAndDelete(
+    filter: Filter<TSchema>,
+    options: FindOneAndDeleteOptions,
+    callback: Callback<ModifyResult<TSchema>>
+  ): void;
+  findOneAndDelete(
+    filter: Filter<TSchema>,
+    options?: FindOneAndDeleteOptions | Callback<ModifyResult<TSchema>>,
+    callback?: Callback<ModifyResult<TSchema>>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new FindOneAndDeleteOperation(
+        this as TODO_NODE_3286,
+        filter,
+        resolveOptions(this, options)
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Find a document and replace it in one atomic operation. Requires a write lock for the duration of the operation.
+   *
+   * @param filter - The filter used to select the document to replace
+   * @param replacement - The Document that replaces the matching document
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  findOneAndReplace(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>
+  ): Promise<ModifyResult<TSchema>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  findOneAndReplace(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    callback: Callback<ModifyResult<TSchema>>
+  ): void;
+  findOneAndReplace(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    options: FindOneAndReplaceOptions
+  ): Promise<ModifyResult<TSchema>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  findOneAndReplace(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    options: FindOneAndReplaceOptions,
+    callback: Callback<ModifyResult<TSchema>>
+  ): void;
+  findOneAndReplace(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    options?: FindOneAndReplaceOptions | Callback<ModifyResult<TSchema>>,
+    callback?: Callback<ModifyResult<TSchema>>
+  ): Promise<ModifyResult<TSchema>> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new FindOneAndReplaceOperation(
+        this as TODO_NODE_3286,
+        filter,
+        replacement,
+        resolveOptions(this, options)
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Find a document and update it in one atomic operation. Requires a write lock for the duration of the operation.
+   *
+   * @param filter - The filter used to select the document to update
+   * @param update - Update operations to be performed on the document
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  findOneAndUpdate(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>
+  ): Promise<ModifyResult<TSchema>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  findOneAndUpdate(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    callback: Callback<ModifyResult<TSchema>>
+  ): void;
+  findOneAndUpdate(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options: FindOneAndUpdateOptions
+  ): Promise<ModifyResult<TSchema>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  findOneAndUpdate(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options: FindOneAndUpdateOptions,
+    callback: Callback<ModifyResult<TSchema>>
+  ): void;
+  findOneAndUpdate(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options?: FindOneAndUpdateOptions | Callback<ModifyResult<TSchema>>,
+    callback?: Callback<ModifyResult<TSchema>>
+  ): Promise<ModifyResult<TSchema>> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new FindOneAndUpdateOperation(
+        this as TODO_NODE_3286,
+        filter,
+        update,
+        resolveOptions(this, options)
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Execute an aggregation framework pipeline against the collection, needs MongoDB \>= 2.2
+   *
+   * @param pipeline - An array of aggregation pipelines to execute
+   * @param options - Optional settings for the command
+   */
+  aggregate<T extends Document = Document>(
+    pipeline: Document[] = [],
+    options?: AggregateOptions
+  ): AggregationCursor<T> {
+    if (arguments.length > 2) {
+      throw new MongoInvalidArgumentError(
+        'Method "collection.aggregate()" accepts at most two arguments'
+      );
+    }
+    if (!Array.isArray(pipeline)) {
+      throw new MongoInvalidArgumentError(
+        'Argument "pipeline" must be an array of aggregation stages'
+      );
+    }
+    if (typeof options === 'function') {
+      throw new MongoInvalidArgumentError('Argument "options" must not be function');
+    }
+
+    return new AggregationCursor(
+      this.s.db.s.client,
+      this.s.namespace,
+      pipeline,
+      resolveOptions(this, options)
+    );
+  }
+
+  /**
+   * Create a new Change Stream, watching for new changes (insertions, updates, replacements, deletions, and invalidations) in this collection.
+   *
+   * @remarks
+   * watch() accepts two generic arguments for distinct usecases:
+   * - The first is to override the schema that may be defined for this specific collection
+   * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+   * @example
+   * By just providing the first argument I can type the change to be `ChangeStreamDocument<{ _id: number }>`
+   * ```ts
+   * collection.watch<{ _id: number }>()
+   *   .on('change', change => console.log(change._id.toFixed(4)));
+   * ```
+   *
+   * @example
+   * Passing a second argument provides a way to reflect the type changes caused by an advanced pipeline.
+   * Here, we are using a pipeline to have MongoDB filter for insert changes only and add a comment.
+   * No need start from scratch on the ChangeStreamInsertDocument type!
+   * By using an intersection we can save time and ensure defaults remain the same type!
+   * ```ts
+   * collection
+   *   .watch<Schema, ChangeStreamInsertDocument<Schema> & { comment: string }>([
+   *     { $addFields: { comment: 'big changes' } },
+   *     { $match: { operationType: 'insert' } }
+   *   ])
+   *   .on('change', change => {
+   *     change.comment.startsWith('big');
+   *     change.operationType === 'insert';
+   *     // No need to narrow in code because the generics did that for us!
+   *     expectType<Schema>(change.fullDocument);
+   *   });
+   * ```
+   *
+   * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+   * @param options - Optional settings for the command
+   * @typeParam TLocal - Type of the data being detected by the change stream
+   * @typeParam TChange - Type of the whole change stream document emitted
+   */
+  watch<TLocal extends Document = TSchema, TChange extends Document = ChangeStreamDocument<TLocal>>(
+    pipeline: Document[] = [],
+    options: ChangeStreamOptions = {}
+  ): ChangeStream<TLocal, TChange> {
+    // Allow optionally not specifying a pipeline
+    if (!Array.isArray(pipeline)) {
+      options = pipeline;
+      pipeline = [];
+    }
+
+    return new ChangeStream<TLocal, TChange>(this, pipeline, resolveOptions(this, options));
+  }
+
+  /**
+   * Run Map Reduce across a collection. Be aware that the inline option for out will return an array of results not a collection.
+   *
+   * @deprecated collection.mapReduce is deprecated. Use the aggregation pipeline instead. Visit https://docs.mongodb.com/manual/reference/map-reduce-to-aggregation-pipeline for more information on how to translate map-reduce operations to the aggregation pipeline.
+   * @param map - The mapping function.
+   * @param reduce - The reduce function.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  mapReduce<TKey = any, TValue = any>(
+    map: string | MapFunction<TSchema>,
+    reduce: string | ReduceFunction<TKey, TValue>
+  ): Promise<Document | Document[]>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  mapReduce<TKey = any, TValue = any>(
+    map: string | MapFunction<TSchema>,
+    reduce: string | ReduceFunction<TKey, TValue>,
+    callback: Callback<Document | Document[]>
+  ): void;
+  mapReduce<TKey = any, TValue = any>(
+    map: string | MapFunction<TSchema>,
+    reduce: string | ReduceFunction<TKey, TValue>,
+    options: MapReduceOptions<TKey, TValue>
+  ): Promise<Document | Document[]>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  mapReduce<TKey = any, TValue = any>(
+    map: string | MapFunction<TSchema>,
+    reduce: string | ReduceFunction<TKey, TValue>,
+    options: MapReduceOptions<TKey, TValue>,
+    callback: Callback<Document | Document[]>
+  ): void;
+  mapReduce<TKey = any, TValue = any>(
+    map: string | MapFunction<TSchema>,
+    reduce: string | ReduceFunction<TKey, TValue>,
+    options?: MapReduceOptions<TKey, TValue> | Callback<Document | Document[]>,
+    callback?: Callback<Document | Document[]>
+  ): Promise<Document | Document[]> | void {
+    emitWarningOnce(
+      'collection.mapReduce is deprecated. Use the aggregation pipeline instead. Visit https://docs.mongodb.com/manual/reference/map-reduce-to-aggregation-pipeline for more information on how to translate map-reduce operations to the aggregation pipeline.'
+    );
+    if ('function' === typeof options) (callback = options), (options = {});
+    // Out must always be defined (make sure we don't break weirdly on pre 1.8+ servers)
+    // TODO NODE-3339: Figure out if this is still necessary given we no longer officially support pre-1.8
+    if (options?.out == null) {
+      throw new MongoInvalidArgumentError(
+        'Option "out" must be defined, see mongodb docs for possible values'
+      );
+    }
+
+    if ('function' === typeof map) {
+      map = map.toString();
+    }
+
+    if ('function' === typeof reduce) {
+      reduce = reduce.toString();
+    }
+
+    if ('function' === typeof options.finalize) {
+      options.finalize = options.finalize.toString();
+    }
+
+    return executeOperation(
+      this.s.db.s.client,
+      new MapReduceOperation(
+        this as TODO_NODE_3286,
+        map,
+        reduce,
+        resolveOptions(this, options) as TODO_NODE_3286
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Initiate an Out of order batch write operation. All operations will be buffered into insert/update/remove commands executed out of order.
+   *
+   * @throws MongoNotConnectedError
+   * @remarks
+   * **NOTE:** MongoClient must be connected prior to calling this method due to a known limitation in this legacy implemenation.
+   * However, `collection.bulkWrite()` provides an equivalent API that does not require prior connecting.
+   */
+  initializeUnorderedBulkOp(options?: BulkWriteOptions): UnorderedBulkOperation {
+    return new UnorderedBulkOperation(this as TODO_NODE_3286, resolveOptions(this, options));
+  }
+
+  /**
+   * Initiate an In order bulk write operation. Operations will be serially executed in the order they are added, creating a new operation for each switch in types.
+   *
+   * @throws MongoNotConnectedError
+   * @remarks
+   * **NOTE:** MongoClient must be connected prior to calling this method due to a known limitation in this legacy implemenation.
+   * However, `collection.bulkWrite()` provides an equivalent API that does not require prior connecting.
+   */
+  initializeOrderedBulkOp(options?: BulkWriteOptions): OrderedBulkOperation {
+    return new OrderedBulkOperation(this as TODO_NODE_3286, resolveOptions(this, options));
+  }
+
+  /** Get the db scoped logger */
+  getLogger(): Logger {
+    return this.s.db.s.logger;
+  }
+
+  get logger(): Logger {
+    return this.s.db.s.logger;
+  }
+
+  /**
+   * Inserts a single document or a an array of documents into MongoDB. If documents passed in do not contain the **_id** field,
+   * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+   * can be overridden by setting the **forceServerObjectId** flag.
+   *
+   * @deprecated Use insertOne, insertMany or bulkWrite instead. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance
+   * @param docs - The documents to insert
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  insert(
+    docs: OptionalUnlessRequiredId<TSchema>[],
+    options: BulkWriteOptions,
+    callback: Callback<InsertManyResult<TSchema>>
+  ): Promise<InsertManyResult<TSchema>> | void {
+    emitWarningOnce(
+      'collection.insert is deprecated. Use insertOne, insertMany or bulkWrite instead.'
+    );
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options || { ordered: false };
+    docs = !Array.isArray(docs) ? [docs] : docs;
+
+    if (options.keepGoing === true) {
+      options.ordered = false;
+    }
+
+    return this.insertMany(docs, options, callback);
+  }
+
+  /**
+   * Updates documents.
+   *
+   * @deprecated use updateOne, updateMany or bulkWrite. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance
+   * @param filter - The filter for the update operation.
+   * @param update - The update operations to be applied to the documents
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  update(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options: UpdateOptions,
+    callback: Callback<Document>
+  ): Promise<UpdateResult> | void {
+    emitWarningOnce(
+      'collection.update is deprecated. Use updateOne, updateMany, or bulkWrite instead.'
+    );
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return this.updateMany(filter, update, options, callback);
+  }
+
+  /**
+   * Remove documents.
+   *
+   * @deprecated use deleteOne, deleteMany or bulkWrite. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance
+   * @param filter - The filter for the remove operation.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  remove(
+    filter: Filter<TSchema>,
+    options: DeleteOptions,
+    callback: Callback
+  ): Promise<DeleteResult> | void {
+    emitWarningOnce(
+      'collection.remove is deprecated. Use deleteOne, deleteMany, or bulkWrite instead.'
+    );
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return this.deleteMany(filter, options, callback);
+  }
+
+  /**
+   * An estimated count of matching documents in the db to a filter.
+   *
+   * **NOTE:** This method has been deprecated, since it does not provide an accurate count of the documents
+   * in a collection. To obtain an accurate count of documents in the collection, use {@link Collection#countDocuments| countDocuments}.
+   * To obtain an estimated count of all documents in the collection, use {@link Collection#estimatedDocumentCount| estimatedDocumentCount}.
+   *
+   * @deprecated use {@link Collection#countDocuments| countDocuments} or {@link Collection#estimatedDocumentCount| estimatedDocumentCount} instead
+   *
+   * @param filter - The filter for the count.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  count(): Promise<number>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  count(callback: Callback<number>): void;
+  count(filter: Filter<TSchema>): Promise<number>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  count(filter: Filter<TSchema>, callback: Callback<number>): void;
+  count(filter: Filter<TSchema>, options: CountOptions): Promise<number>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  count(
+    filter: Filter<TSchema>,
+    options: CountOptions,
+    callback: Callback<number>
+  ): Promise<number> | void;
+  count(
+    filter?: Filter<TSchema> | CountOptions | Callback<number>,
+    options?: CountOptions | Callback<number>,
+    callback?: Callback<number>
+  ): Promise<number> | void {
+    if (typeof filter === 'function') {
+      (callback = filter), (filter = {}), (options = {});
+    } else {
+      if (typeof options === 'function') (callback = options), (options = {});
+    }
+
+    filter ??= {};
+    return executeOperation(
+      this.s.db.s.client,
+      new CountOperation(
+        MongoDBNamespace.fromString(this.namespace),
+        filter,
+        resolveOptions(this, options)
+      ),
+      callback
+    );
+  }
+}
diff --git a/node_modules/mongodb/src/connection_string.ts b/node_modules/mongodb/src/connection_string.ts
new file mode 100644
index 000000000..e9abc845e
--- /dev/null
+++ b/node_modules/mongodb/src/connection_string.ts
@@ -0,0 +1,1280 @@
+import * as dns from 'dns';
+import * as fs from 'fs';
+import ConnectionString from 'mongodb-connection-string-url';
+import { URLSearchParams } from 'url';
+
+import type { Document } from './bson';
+import { MongoCredentials } from './cmap/auth/mongo_credentials';
+import { AUTH_MECHS_AUTH_SRC_EXTERNAL, AuthMechanism } from './cmap/auth/providers';
+import { Compressor, CompressorName } from './cmap/wire_protocol/compression';
+import { Encrypter } from './encrypter';
+import {
+  MongoAPIError,
+  MongoInvalidArgumentError,
+  MongoMissingCredentialsError,
+  MongoParseError
+} from './error';
+import { Logger, LoggerLevel } from './logger';
+import {
+  DriverInfo,
+  MongoClient,
+  MongoClientOptions,
+  MongoOptions,
+  PkFactory,
+  ServerApi,
+  ServerApiVersion
+} from './mongo_client';
+import { PromiseProvider } from './promise_provider';
+import { ReadConcern, ReadConcernLevel } from './read_concern';
+import { ReadPreference, ReadPreferenceMode } from './read_preference';
+import type { TagSet } from './sdam/server_description';
+import {
+  AnyOptions,
+  Callback,
+  DEFAULT_PK_FACTORY,
+  emitWarning,
+  emitWarningOnce,
+  HostAddress,
+  isRecord,
+  makeClientMetadata,
+  setDifference
+} from './utils';
+import { W, WriteConcern } from './write_concern';
+
+const VALID_TXT_RECORDS = ['authSource', 'replicaSet', 'loadBalanced'];
+
+const LB_SINGLE_HOST_ERROR = 'loadBalanced option only supported with a single host in the URI';
+const LB_REPLICA_SET_ERROR = 'loadBalanced option not supported with a replicaSet option';
+const LB_DIRECT_CONNECTION_ERROR =
+  'loadBalanced option not supported when directConnection is provided';
+
+/**
+ * Determines whether a provided address matches the provided parent domain in order
+ * to avoid certain attack vectors.
+ *
+ * @param srvAddress - The address to check against a domain
+ * @param parentDomain - The domain to check the provided address against
+ * @returns Whether the provided address matches the parent domain
+ */
+function matchesParentDomain(srvAddress: string, parentDomain: string): boolean {
+  const regex = /^.*?\./;
+  const srv = `.${srvAddress.replace(regex, '')}`;
+  const parent = `.${parentDomain.replace(regex, '')}`;
+  return srv.endsWith(parent);
+}
+
+/**
+ * Lookup a `mongodb+srv` connection string, combine the parts and reparse it as a normal
+ * connection string.
+ *
+ * @param uri - The connection string to parse
+ * @param options - Optional user provided connection string options
+ */
+export function resolveSRVRecord(options: MongoOptions, callback: Callback<HostAddress[]>): void {
+  if (typeof options.srvHost !== 'string') {
+    return callback(new MongoAPIError('Option "srvHost" must not be empty'));
+  }
+
+  if (options.srvHost.split('.').length < 3) {
+    // TODO(NODE-3484): Replace with MongoConnectionStringError
+    return callback(new MongoAPIError('URI must include hostname, domain name, and tld'));
+  }
+
+  // Resolve the SRV record and use the result as the list of hosts to connect to.
+  const lookupAddress = options.srvHost;
+  dns.resolveSrv(`_${options.srvServiceName}._tcp.${lookupAddress}`, (err, addresses) => {
+    if (err) return callback(err);
+
+    if (addresses.length === 0) {
+      return callback(new MongoAPIError('No addresses found at host'));
+    }
+
+    for (const { name } of addresses) {
+      if (!matchesParentDomain(name, lookupAddress)) {
+        return callback(new MongoAPIError('Server record does not share hostname with parent URI'));
+      }
+    }
+
+    const hostAddresses = addresses.map(r =>
+      HostAddress.fromString(`${r.name}:${r.port ?? 27017}`)
+    );
+
+    const lbError = validateLoadBalancedOptions(hostAddresses, options, true);
+    if (lbError) {
+      return callback(lbError);
+    }
+
+    // Resolve TXT record and add options from there if they exist.
+    dns.resolveTxt(lookupAddress, (err, record) => {
+      if (err) {
+        if (err.code !== 'ENODATA' && err.code !== 'ENOTFOUND') {
+          return callback(err);
+        }
+      } else {
+        if (record.length > 1) {
+          return callback(new MongoParseError('Multiple text records not allowed'));
+        }
+
+        const txtRecordOptions = new URLSearchParams(record[0].join(''));
+        const txtRecordOptionKeys = [...txtRecordOptions.keys()];
+        if (txtRecordOptionKeys.some(key => !VALID_TXT_RECORDS.includes(key))) {
+          return callback(
+            new MongoParseError(`Text record may only set any of: ${VALID_TXT_RECORDS.join(', ')}`)
+          );
+        }
+
+        if (VALID_TXT_RECORDS.some(option => txtRecordOptions.get(option) === '')) {
+          return callback(new MongoParseError('Cannot have empty URI params in DNS TXT Record'));
+        }
+
+        const source = txtRecordOptions.get('authSource') ?? undefined;
+        const replicaSet = txtRecordOptions.get('replicaSet') ?? undefined;
+        const loadBalanced = txtRecordOptions.get('loadBalanced') ?? undefined;
+
+        if (
+          !options.userSpecifiedAuthSource &&
+          source &&
+          options.credentials &&
+          !AUTH_MECHS_AUTH_SRC_EXTERNAL.has(options.credentials.mechanism)
+        ) {
+          options.credentials = MongoCredentials.merge(options.credentials, { source });
+        }
+
+        if (!options.userSpecifiedReplicaSet && replicaSet) {
+          options.replicaSet = replicaSet;
+        }
+
+        if (loadBalanced === 'true') {
+          options.loadBalanced = true;
+        }
+
+        if (options.replicaSet && options.srvMaxHosts > 0) {
+          return callback(new MongoParseError('Cannot combine replicaSet option with srvMaxHosts'));
+        }
+
+        const lbError = validateLoadBalancedOptions(hostAddresses, options, true);
+        if (lbError) {
+          return callback(lbError);
+        }
+      }
+
+      callback(undefined, hostAddresses);
+    });
+  });
+}
+
+/**
+ * Checks if TLS options are valid
+ *
+ * @param options - The options used for options parsing
+ * @throws MongoParseError if TLS options are invalid
+ */
+export function checkTLSOptions(options: AnyOptions): void {
+  if (!options) return;
+  const check = (a: string, b: string) => {
+    if (Reflect.has(options, a) && Reflect.has(options, b)) {
+      throw new MongoParseError(`The '${a}' option cannot be used with '${b}'`);
+    }
+  };
+  check('tlsInsecure', 'tlsAllowInvalidCertificates');
+  check('tlsInsecure', 'tlsAllowInvalidHostnames');
+  check('tlsInsecure', 'tlsDisableCertificateRevocationCheck');
+  check('tlsInsecure', 'tlsDisableOCSPEndpointCheck');
+  check('tlsAllowInvalidCertificates', 'tlsDisableCertificateRevocationCheck');
+  check('tlsAllowInvalidCertificates', 'tlsDisableOCSPEndpointCheck');
+  check('tlsDisableCertificateRevocationCheck', 'tlsDisableOCSPEndpointCheck');
+}
+
+const TRUTHS = new Set(['true', 't', '1', 'y', 'yes']);
+const FALSEHOODS = new Set(['false', 'f', '0', 'n', 'no', '-1']);
+function getBoolean(name: string, value: unknown): boolean {
+  if (typeof value === 'boolean') return value;
+  const valueString = String(value).toLowerCase();
+  if (TRUTHS.has(valueString)) {
+    if (valueString !== 'true') {
+      emitWarningOnce(
+        `deprecated value for ${name} : ${valueString} - please update to ${name} : true instead`
+      );
+    }
+    return true;
+  }
+  if (FALSEHOODS.has(valueString)) {
+    if (valueString !== 'false') {
+      emitWarningOnce(
+        `deprecated value for ${name} : ${valueString} - please update to ${name} : false instead`
+      );
+    }
+    return false;
+  }
+  throw new MongoParseError(`Expected ${name} to be stringified boolean value, got: ${value}`);
+}
+
+function getInt(name: string, value: unknown): number {
+  if (typeof value === 'number') return Math.trunc(value);
+  const parsedValue = Number.parseInt(String(value), 10);
+  if (!Number.isNaN(parsedValue)) return parsedValue;
+  throw new MongoParseError(`Expected ${name} to be stringified int value, got: ${value}`);
+}
+
+function getUint(name: string, value: unknown): number {
+  const parsedValue = getInt(name, value);
+  if (parsedValue < 0) {
+    throw new MongoParseError(`${name} can only be a positive int value, got: ${value}`);
+  }
+  return parsedValue;
+}
+
+function* entriesFromString(value: string): Generator<[string, string]> {
+  const keyValuePairs = value.split(',');
+  for (const keyValue of keyValuePairs) {
+    const [key, value] = keyValue.split(':');
+    if (value == null) {
+      throw new MongoParseError('Cannot have undefined values in key value pairs');
+    }
+
+    yield [key, value];
+  }
+}
+
+class CaseInsensitiveMap<Value = any> extends Map<string, Value> {
+  constructor(entries: Array<[string, any]> = []) {
+    super(entries.map(([k, v]) => [k.toLowerCase(), v]));
+  }
+  override has(k: string) {
+    return super.has(k.toLowerCase());
+  }
+  override get(k: string) {
+    return super.get(k.toLowerCase());
+  }
+  override set(k: string, v: any) {
+    return super.set(k.toLowerCase(), v);
+  }
+  override delete(k: string): boolean {
+    return super.delete(k.toLowerCase());
+  }
+}
+
+export function parseOptions(
+  uri: string,
+  mongoClient: MongoClient | MongoClientOptions | undefined = undefined,
+  options: MongoClientOptions = {}
+): MongoOptions {
+  if (mongoClient != null && !(mongoClient instanceof MongoClient)) {
+    options = mongoClient;
+    mongoClient = undefined;
+  }
+
+  const url = new ConnectionString(uri);
+  const { hosts, isSRV } = url;
+
+  const mongoOptions = Object.create(null);
+
+  // Feature flags
+  for (const flag of Object.getOwnPropertySymbols(options)) {
+    if (FEATURE_FLAGS.has(flag)) {
+      mongoOptions[flag] = options[flag];
+    }
+  }
+
+  mongoOptions.hosts = isSRV ? [] : hosts.map(HostAddress.fromString);
+
+  const urlOptions = new CaseInsensitiveMap<any[]>();
+
+  if (url.pathname !== '/' && url.pathname !== '') {
+    const dbName = decodeURIComponent(
+      url.pathname[0] === '/' ? url.pathname.slice(1) : url.pathname
+    );
+    if (dbName) {
+      urlOptions.set('dbName', [dbName]);
+    }
+  }
+
+  if (url.username !== '') {
+    const auth: Document = {
+      username: decodeURIComponent(url.username)
+    };
+
+    if (typeof url.password === 'string') {
+      auth.password = decodeURIComponent(url.password);
+    }
+
+    urlOptions.set('auth', [auth]);
+  }
+
+  for (const key of url.searchParams.keys()) {
+    const values = [...url.searchParams.getAll(key)];
+
+    if (values.includes('')) {
+      throw new MongoAPIError('URI cannot contain options with no value');
+    }
+
+    if (!urlOptions.has(key)) {
+      urlOptions.set(key, values);
+    }
+  }
+
+  const objectOptions = new CaseInsensitiveMap(
+    Object.entries(options).filter(([, v]) => v != null)
+  );
+
+  // Validate options that can only be provided by one of uri or object
+
+  if (urlOptions.has('serverApi')) {
+    throw new MongoParseError(
+      'URI cannot contain `serverApi`, it can only be passed to the client'
+    );
+  }
+
+  if (objectOptions.has('loadBalanced')) {
+    throw new MongoParseError('loadBalanced is only a valid option in the URI');
+  }
+
+  // All option collection
+
+  const allOptions = new CaseInsensitiveMap();
+
+  const allKeys = new Set<string>([
+    ...urlOptions.keys(),
+    ...objectOptions.keys(),
+    ...DEFAULT_OPTIONS.keys()
+  ]);
+
+  for (const key of allKeys) {
+    const values = [];
+    const objectOptionValue = objectOptions.get(key);
+    if (objectOptionValue != null) {
+      values.push(objectOptionValue);
+    }
+    const urlValue = urlOptions.get(key);
+    if (urlValue != null) {
+      values.push(...urlValue);
+    }
+    const defaultOptionsValue = DEFAULT_OPTIONS.get(key);
+    if (defaultOptionsValue != null) {
+      values.push(defaultOptionsValue);
+    }
+    allOptions.set(key, values);
+  }
+
+  if (allOptions.has('tlsCertificateKeyFile') && !allOptions.has('tlsCertificateFile')) {
+    allOptions.set('tlsCertificateFile', allOptions.get('tlsCertificateKeyFile'));
+  }
+
+  if (allOptions.has('tls') || allOptions.has('ssl')) {
+    const tlsAndSslOpts = (allOptions.get('tls') || [])
+      .concat(allOptions.get('ssl') || [])
+      .map(getBoolean.bind(null, 'tls/ssl'));
+    if (new Set(tlsAndSslOpts).size !== 1) {
+      throw new MongoParseError('All values of tls/ssl must be the same.');
+    }
+  }
+
+  const unsupportedOptions = setDifference(
+    allKeys,
+    Array.from(Object.keys(OPTIONS)).map(s => s.toLowerCase())
+  );
+  if (unsupportedOptions.size !== 0) {
+    const optionWord = unsupportedOptions.size > 1 ? 'options' : 'option';
+    const isOrAre = unsupportedOptions.size > 1 ? 'are' : 'is';
+    throw new MongoParseError(
+      `${optionWord} ${Array.from(unsupportedOptions).join(', ')} ${isOrAre} not supported`
+    );
+  }
+
+  // Option parsing and setting
+
+  for (const [key, descriptor] of Object.entries(OPTIONS)) {
+    const values = allOptions.get(key);
+    if (!values || values.length === 0) continue;
+    setOption(mongoOptions, key, descriptor, values);
+  }
+
+  if (mongoOptions.credentials) {
+    const isGssapi = mongoOptions.credentials.mechanism === AuthMechanism.MONGODB_GSSAPI;
+    const isX509 = mongoOptions.credentials.mechanism === AuthMechanism.MONGODB_X509;
+    const isAws = mongoOptions.credentials.mechanism === AuthMechanism.MONGODB_AWS;
+    if (
+      (isGssapi || isX509) &&
+      allOptions.has('authSource') &&
+      mongoOptions.credentials.source !== '$external'
+    ) {
+      // If authSource was explicitly given and its incorrect, we error
+      throw new MongoParseError(
+        `${mongoOptions.credentials} can only have authSource set to '$external'`
+      );
+    }
+
+    if (!(isGssapi || isX509 || isAws) && mongoOptions.dbName && !allOptions.has('authSource')) {
+      // inherit the dbName unless GSSAPI or X509, then silently ignore dbName
+      // and there was no specific authSource given
+      mongoOptions.credentials = MongoCredentials.merge(mongoOptions.credentials, {
+        source: mongoOptions.dbName
+      });
+    }
+
+    if (isAws && mongoOptions.credentials.username && !mongoOptions.credentials.password) {
+      throw new MongoMissingCredentialsError(
+        `When using ${mongoOptions.credentials.mechanism} password must be set when a username is specified`
+      );
+    }
+
+    mongoOptions.credentials.validate();
+
+    // Check if the only auth related option provided was authSource, if so we can remove credentials
+    if (
+      mongoOptions.credentials.password === '' &&
+      mongoOptions.credentials.username === '' &&
+      mongoOptions.credentials.mechanism === AuthMechanism.MONGODB_DEFAULT &&
+      Object.keys(mongoOptions.credentials.mechanismProperties).length === 0
+    ) {
+      delete mongoOptions.credentials;
+    }
+  }
+
+  if (!mongoOptions.dbName) {
+    // dbName default is applied here because of the credential validation above
+    mongoOptions.dbName = 'test';
+  }
+
+  checkTLSOptions(mongoOptions);
+
+  if (options.promiseLibrary) {
+    PromiseProvider.set(options.promiseLibrary);
+  }
+
+  const lbError = validateLoadBalancedOptions(hosts, mongoOptions, isSRV);
+  if (lbError) {
+    throw lbError;
+  }
+  if (mongoClient && mongoOptions.autoEncryption) {
+    Encrypter.checkForMongoCrypt();
+    mongoOptions.encrypter = new Encrypter(mongoClient, uri, options);
+    mongoOptions.autoEncrypter = mongoOptions.encrypter.autoEncrypter;
+  }
+
+  // Potential SRV Overrides and SRV connection string validations
+
+  mongoOptions.userSpecifiedAuthSource =
+    objectOptions.has('authSource') || urlOptions.has('authSource');
+  mongoOptions.userSpecifiedReplicaSet =
+    objectOptions.has('replicaSet') || urlOptions.has('replicaSet');
+
+  if (isSRV) {
+    // SRV Record is resolved upon connecting
+    mongoOptions.srvHost = hosts[0];
+
+    if (mongoOptions.directConnection) {
+      throw new MongoAPIError('SRV URI does not support directConnection');
+    }
+
+    if (mongoOptions.srvMaxHosts > 0 && typeof mongoOptions.replicaSet === 'string') {
+      throw new MongoParseError('Cannot use srvMaxHosts option with replicaSet');
+    }
+
+    // SRV turns on TLS by default, but users can override and turn it off
+    const noUserSpecifiedTLS = !objectOptions.has('tls') && !urlOptions.has('tls');
+    const noUserSpecifiedSSL = !objectOptions.has('ssl') && !urlOptions.has('ssl');
+    if (noUserSpecifiedTLS && noUserSpecifiedSSL) {
+      mongoOptions.tls = true;
+    }
+  } else {
+    const userSpecifiedSrvOptions =
+      urlOptions.has('srvMaxHosts') ||
+      objectOptions.has('srvMaxHosts') ||
+      urlOptions.has('srvServiceName') ||
+      objectOptions.has('srvServiceName');
+
+    if (userSpecifiedSrvOptions) {
+      throw new MongoParseError(
+        'Cannot use srvMaxHosts or srvServiceName with a non-srv connection string'
+      );
+    }
+  }
+
+  if (mongoOptions.directConnection && mongoOptions.hosts.length !== 1) {
+    throw new MongoParseError('directConnection option requires exactly one host');
+  }
+
+  if (
+    !mongoOptions.proxyHost &&
+    (mongoOptions.proxyPort || mongoOptions.proxyUsername || mongoOptions.proxyPassword)
+  ) {
+    throw new MongoParseError('Must specify proxyHost if other proxy options are passed');
+  }
+
+  if (
+    (mongoOptions.proxyUsername && !mongoOptions.proxyPassword) ||
+    (!mongoOptions.proxyUsername && mongoOptions.proxyPassword)
+  ) {
+    throw new MongoParseError('Can only specify both of proxy username/password or neither');
+  }
+
+  const proxyOptions = ['proxyHost', 'proxyPort', 'proxyUsername', 'proxyPassword'].map(
+    key => urlOptions.get(key) ?? []
+  );
+
+  if (proxyOptions.some(options => options.length > 1)) {
+    throw new MongoParseError(
+      'Proxy options cannot be specified multiple times in the connection string'
+    );
+  }
+
+  return mongoOptions;
+}
+
+function validateLoadBalancedOptions(
+  hosts: HostAddress[] | string[],
+  mongoOptions: MongoOptions,
+  isSrv: boolean
+): MongoParseError | undefined {
+  if (mongoOptions.loadBalanced) {
+    if (hosts.length > 1) {
+      return new MongoParseError(LB_SINGLE_HOST_ERROR);
+    }
+    if (mongoOptions.replicaSet) {
+      return new MongoParseError(LB_REPLICA_SET_ERROR);
+    }
+    if (mongoOptions.directConnection) {
+      return new MongoParseError(LB_DIRECT_CONNECTION_ERROR);
+    }
+
+    if (isSrv && mongoOptions.srvMaxHosts > 0) {
+      return new MongoParseError('Cannot limit srv hosts with loadBalanced enabled');
+    }
+  }
+  return;
+}
+
+function setOption(
+  mongoOptions: any,
+  key: string,
+  descriptor: OptionDescriptor,
+  values: unknown[]
+) {
+  const { target, type, transform, deprecated } = descriptor;
+  const name = target ?? key;
+
+  if (deprecated) {
+    const deprecatedMsg = typeof deprecated === 'string' ? `: ${deprecated}` : '';
+    emitWarning(`${key} is a deprecated option${deprecatedMsg}`);
+  }
+
+  switch (type) {
+    case 'boolean':
+      mongoOptions[name] = getBoolean(name, values[0]);
+      break;
+    case 'int':
+      mongoOptions[name] = getInt(name, values[0]);
+      break;
+    case 'uint':
+      mongoOptions[name] = getUint(name, values[0]);
+      break;
+    case 'string':
+      if (values[0] == null) {
+        break;
+      }
+      mongoOptions[name] = String(values[0]);
+      break;
+    case 'record':
+      if (!isRecord(values[0])) {
+        throw new MongoParseError(`${name} must be an object`);
+      }
+      mongoOptions[name] = values[0];
+      break;
+    case 'any':
+      mongoOptions[name] = values[0];
+      break;
+    default: {
+      if (!transform) {
+        throw new MongoParseError('Descriptors missing a type must define a transform');
+      }
+      const transformValue = transform({ name, options: mongoOptions, values });
+      mongoOptions[name] = transformValue;
+      break;
+    }
+  }
+}
+
+interface OptionDescriptor {
+  target?: string;
+  type?: 'boolean' | 'int' | 'uint' | 'record' | 'string' | 'any';
+  default?: any;
+
+  deprecated?: boolean | string;
+  /**
+   * @param name - the original option name
+   * @param options - the options so far for resolution
+   * @param values - the possible values in precedence order
+   */
+  transform?: (args: { name: string; options: MongoOptions; values: unknown[] }) => unknown;
+}
+
+export const OPTIONS = {
+  appName: {
+    target: 'metadata',
+    transform({ options, values: [value] }): DriverInfo {
+      return makeClientMetadata({ ...options.driverInfo, appName: String(value) });
+    }
+  },
+  auth: {
+    target: 'credentials',
+    transform({ name, options, values: [value] }): MongoCredentials {
+      if (!isRecord(value, ['username', 'password'] as const)) {
+        throw new MongoParseError(
+          `${name} must be an object with 'username' and 'password' properties`
+        );
+      }
+      return MongoCredentials.merge(options.credentials, {
+        username: value.username,
+        password: value.password
+      });
+    }
+  },
+  authMechanism: {
+    target: 'credentials',
+    transform({ options, values: [value] }): MongoCredentials {
+      const mechanisms = Object.values(AuthMechanism);
+      const [mechanism] = mechanisms.filter(m => m.match(RegExp(String.raw`\b${value}\b`, 'i')));
+      if (!mechanism) {
+        throw new MongoParseError(`authMechanism one of ${mechanisms}, got ${value}`);
+      }
+      let source = options.credentials?.source;
+      if (
+        mechanism === AuthMechanism.MONGODB_PLAIN ||
+        AUTH_MECHS_AUTH_SRC_EXTERNAL.has(mechanism)
+      ) {
+        // some mechanisms have '$external' as the Auth Source
+        source = '$external';
+      }
+
+      let password = options.credentials?.password;
+      if (mechanism === AuthMechanism.MONGODB_X509 && password === '') {
+        password = undefined;
+      }
+      return MongoCredentials.merge(options.credentials, {
+        mechanism,
+        source,
+        password
+      });
+    }
+  },
+  authMechanismProperties: {
+    target: 'credentials',
+    transform({ options, values: [optionValue] }): MongoCredentials {
+      if (typeof optionValue === 'string') {
+        const mechanismProperties = Object.create(null);
+
+        for (const [key, value] of entriesFromString(optionValue)) {
+          try {
+            mechanismProperties[key] = getBoolean(key, value);
+          } catch {
+            mechanismProperties[key] = value;
+          }
+        }
+
+        return MongoCredentials.merge(options.credentials, {
+          mechanismProperties
+        });
+      }
+      if (!isRecord(optionValue)) {
+        throw new MongoParseError('AuthMechanismProperties must be an object');
+      }
+      return MongoCredentials.merge(options.credentials, { mechanismProperties: optionValue });
+    }
+  },
+  authSource: {
+    target: 'credentials',
+    transform({ options, values: [value] }): MongoCredentials {
+      const source = String(value);
+      return MongoCredentials.merge(options.credentials, { source });
+    }
+  },
+  autoEncryption: {
+    type: 'record'
+  },
+  bsonRegExp: {
+    type: 'boolean'
+  },
+  serverApi: {
+    target: 'serverApi',
+    transform({ values: [version] }): ServerApi {
+      const serverApiToValidate =
+        typeof version === 'string' ? ({ version } as ServerApi) : (version as ServerApi);
+      const versionToValidate = serverApiToValidate && serverApiToValidate.version;
+      if (!versionToValidate) {
+        throw new MongoParseError(
+          `Invalid \`serverApi\` property; must specify a version from the following enum: ["${Object.values(
+            ServerApiVersion
+          ).join('", "')}"]`
+        );
+      }
+      if (!Object.values(ServerApiVersion).some(v => v === versionToValidate)) {
+        throw new MongoParseError(
+          `Invalid server API version=${versionToValidate}; must be in the following enum: ["${Object.values(
+            ServerApiVersion
+          ).join('", "')}"]`
+        );
+      }
+      return serverApiToValidate;
+    }
+  },
+  checkKeys: {
+    type: 'boolean'
+  },
+  compressors: {
+    default: 'none',
+    target: 'compressors',
+    transform({ values }) {
+      const compressionList = new Set();
+      for (const compVal of values as (CompressorName[] | string)[]) {
+        const compValArray = typeof compVal === 'string' ? compVal.split(',') : compVal;
+        if (!Array.isArray(compValArray)) {
+          throw new MongoInvalidArgumentError(
+            'compressors must be an array or a comma-delimited list of strings'
+          );
+        }
+        for (const c of compValArray) {
+          if (Object.keys(Compressor).includes(String(c))) {
+            compressionList.add(String(c));
+          } else {
+            throw new MongoInvalidArgumentError(
+              `${c} is not a valid compression mechanism. Must be one of: ${Object.keys(
+                Compressor
+              )}.`
+            );
+          }
+        }
+      }
+      return [...compressionList];
+    }
+  },
+  connectTimeoutMS: {
+    default: 30000,
+    type: 'uint'
+  },
+  dbName: {
+    type: 'string'
+  },
+  directConnection: {
+    default: false,
+    type: 'boolean'
+  },
+  driverInfo: {
+    target: 'metadata',
+    default: makeClientMetadata(),
+    transform({ options, values: [value] }) {
+      if (!isRecord(value)) throw new MongoParseError('DriverInfo must be an object');
+      return makeClientMetadata({
+        driverInfo: value,
+        appName: options.metadata?.application?.name
+      });
+    }
+  },
+  enableUtf8Validation: { type: 'boolean', default: true },
+  family: {
+    transform({ name, values: [value] }): 4 | 6 {
+      const transformValue = getInt(name, value);
+      if (transformValue === 4 || transformValue === 6) {
+        return transformValue;
+      }
+      throw new MongoParseError(`Option 'family' must be 4 or 6 got ${transformValue}.`);
+    }
+  },
+  fieldsAsRaw: {
+    type: 'record'
+  },
+  forceServerObjectId: {
+    default: false,
+    type: 'boolean'
+  },
+  fsync: {
+    deprecated: 'Please use journal instead',
+    target: 'writeConcern',
+    transform({ name, options, values: [value] }): WriteConcern {
+      const wc = WriteConcern.fromOptions({
+        writeConcern: {
+          ...options.writeConcern,
+          fsync: getBoolean(name, value)
+        }
+      });
+      if (!wc) throw new MongoParseError(`Unable to make a writeConcern from fsync=${value}`);
+      return wc;
+    }
+  } as OptionDescriptor,
+  heartbeatFrequencyMS: {
+    default: 10000,
+    type: 'uint'
+  },
+  ignoreUndefined: {
+    type: 'boolean'
+  },
+  j: {
+    deprecated: 'Please use journal instead',
+    target: 'writeConcern',
+    transform({ name, options, values: [value] }): WriteConcern {
+      const wc = WriteConcern.fromOptions({
+        writeConcern: {
+          ...options.writeConcern,
+          journal: getBoolean(name, value)
+        }
+      });
+      if (!wc) throw new MongoParseError(`Unable to make a writeConcern from journal=${value}`);
+      return wc;
+    }
+  } as OptionDescriptor,
+  journal: {
+    target: 'writeConcern',
+    transform({ name, options, values: [value] }): WriteConcern {
+      const wc = WriteConcern.fromOptions({
+        writeConcern: {
+          ...options.writeConcern,
+          journal: getBoolean(name, value)
+        }
+      });
+      if (!wc) throw new MongoParseError(`Unable to make a writeConcern from journal=${value}`);
+      return wc;
+    }
+  },
+  keepAlive: {
+    default: true,
+    type: 'boolean'
+  },
+  keepAliveInitialDelay: {
+    default: 120000,
+    type: 'uint'
+  },
+  loadBalanced: {
+    default: false,
+    type: 'boolean'
+  },
+  localThresholdMS: {
+    default: 15,
+    type: 'uint'
+  },
+  logger: {
+    default: new Logger('MongoClient'),
+    transform({ values: [value] }) {
+      if (value instanceof Logger) {
+        return value;
+      }
+      emitWarning('Alternative loggers might not be supported');
+      // TODO: make Logger an interface that others can implement, make usage consistent in driver
+      // DRIVERS-1204
+      return;
+    }
+  },
+  loggerLevel: {
+    target: 'logger',
+    transform({ values: [value] }) {
+      return new Logger('MongoClient', { loggerLevel: value as LoggerLevel });
+    }
+  },
+  maxConnecting: {
+    default: 2,
+    transform({ name, values: [value] }): number {
+      const maxConnecting = getUint(name, value);
+      if (maxConnecting === 0) {
+        throw new MongoInvalidArgumentError('maxConnecting must be > 0 if specified');
+      }
+      return maxConnecting;
+    }
+  },
+  maxIdleTimeMS: {
+    default: 0,
+    type: 'uint'
+  },
+  maxPoolSize: {
+    default: 100,
+    type: 'uint'
+  },
+  maxStalenessSeconds: {
+    target: 'readPreference',
+    transform({ name, options, values: [value] }) {
+      const maxStalenessSeconds = getUint(name, value);
+      if (options.readPreference) {
+        return ReadPreference.fromOptions({
+          readPreference: { ...options.readPreference, maxStalenessSeconds }
+        });
+      } else {
+        return new ReadPreference('secondary', undefined, { maxStalenessSeconds });
+      }
+    }
+  },
+  minInternalBufferSize: {
+    type: 'uint'
+  },
+  minPoolSize: {
+    default: 0,
+    type: 'uint'
+  },
+  minHeartbeatFrequencyMS: {
+    default: 500,
+    type: 'uint'
+  },
+  monitorCommands: {
+    default: false,
+    type: 'boolean'
+  },
+  name: {
+    target: 'driverInfo',
+    transform({ values: [value], options }) {
+      return { ...options.driverInfo, name: String(value) };
+    }
+  } as OptionDescriptor,
+  noDelay: {
+    default: true,
+    type: 'boolean'
+  },
+  pkFactory: {
+    default: DEFAULT_PK_FACTORY,
+    transform({ values: [value] }): PkFactory {
+      if (isRecord(value, ['createPk'] as const) && typeof value.createPk === 'function') {
+        return value as PkFactory;
+      }
+      throw new MongoParseError(
+        `Option pkFactory must be an object with a createPk function, got ${value}`
+      );
+    }
+  },
+  promiseLibrary: {
+    deprecated: true,
+    type: 'any'
+  },
+  promoteBuffers: {
+    type: 'boolean'
+  },
+  promoteLongs: {
+    type: 'boolean'
+  },
+  promoteValues: {
+    type: 'boolean'
+  },
+  proxyHost: {
+    type: 'string'
+  },
+  proxyPassword: {
+    type: 'string'
+  },
+  proxyPort: {
+    type: 'uint'
+  },
+  proxyUsername: {
+    type: 'string'
+  },
+  raw: {
+    default: false,
+    type: 'boolean'
+  },
+  readConcern: {
+    transform({ values: [value], options }) {
+      if (value instanceof ReadConcern || isRecord(value, ['level'] as const)) {
+        return ReadConcern.fromOptions({ ...options.readConcern, ...value } as any);
+      }
+      throw new MongoParseError(`ReadConcern must be an object, got ${JSON.stringify(value)}`);
+    }
+  },
+  readConcernLevel: {
+    target: 'readConcern',
+    transform({ values: [level], options }) {
+      return ReadConcern.fromOptions({
+        ...options.readConcern,
+        level: level as ReadConcernLevel
+      });
+    }
+  },
+  readPreference: {
+    default: ReadPreference.primary,
+    transform({ values: [value], options }) {
+      if (value instanceof ReadPreference) {
+        return ReadPreference.fromOptions({
+          readPreference: { ...options.readPreference, ...value },
+          ...value
+        } as any);
+      }
+      if (isRecord(value, ['mode'] as const)) {
+        const rp = ReadPreference.fromOptions({
+          readPreference: { ...options.readPreference, ...value },
+          ...value
+        } as any);
+        if (rp) return rp;
+        else throw new MongoParseError(`Cannot make read preference from ${JSON.stringify(value)}`);
+      }
+      if (typeof value === 'string') {
+        const rpOpts = {
+          hedge: options.readPreference?.hedge,
+          maxStalenessSeconds: options.readPreference?.maxStalenessSeconds
+        };
+        return new ReadPreference(
+          value as ReadPreferenceMode,
+          options.readPreference?.tags,
+          rpOpts
+        );
+      }
+      throw new MongoParseError(`Unknown ReadPreference value: ${value}`);
+    }
+  },
+  readPreferenceTags: {
+    target: 'readPreference',
+    transform({
+      values,
+      options
+    }: {
+      values: Array<string | Record<string, string>[]>;
+      options: MongoClientOptions;
+    }) {
+      const tags: Array<string | Record<string, string>> = Array.isArray(values[0])
+        ? values[0]
+        : (values as Array<string>);
+      const readPreferenceTags = [];
+      for (const tag of tags) {
+        const readPreferenceTag: TagSet = Object.create(null);
+        if (typeof tag === 'string') {
+          for (const [k, v] of entriesFromString(tag)) {
+            readPreferenceTag[k] = v;
+          }
+        }
+        if (isRecord(tag)) {
+          for (const [k, v] of Object.entries(tag)) {
+            readPreferenceTag[k] = v;
+          }
+        }
+        readPreferenceTags.push(readPreferenceTag);
+      }
+      return ReadPreference.fromOptions({
+        readPreference: options.readPreference,
+        readPreferenceTags
+      });
+    }
+  },
+  replicaSet: {
+    type: 'string'
+  },
+  retryReads: {
+    default: true,
+    type: 'boolean'
+  },
+  retryWrites: {
+    default: true,
+    type: 'boolean'
+  },
+  serializeFunctions: {
+    type: 'boolean'
+  },
+  serverSelectionTimeoutMS: {
+    default: 30000,
+    type: 'uint'
+  },
+  servername: {
+    type: 'string'
+  },
+  socketTimeoutMS: {
+    default: 0,
+    type: 'uint'
+  },
+  srvMaxHosts: {
+    type: 'uint',
+    default: 0
+  },
+  srvServiceName: {
+    type: 'string',
+    default: 'mongodb'
+  },
+  ssl: {
+    target: 'tls',
+    type: 'boolean'
+  },
+  sslCA: {
+    target: 'ca',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  sslCRL: {
+    target: 'crl',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  sslCert: {
+    target: 'cert',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  sslKey: {
+    target: 'key',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  sslPass: {
+    deprecated: true,
+    target: 'passphrase',
+    type: 'string'
+  },
+  sslValidate: {
+    target: 'rejectUnauthorized',
+    type: 'boolean'
+  },
+  tls: {
+    type: 'boolean'
+  },
+  tlsAllowInvalidCertificates: {
+    target: 'rejectUnauthorized',
+    transform({ name, values: [value] }) {
+      // allowInvalidCertificates is the inverse of rejectUnauthorized
+      return !getBoolean(name, value);
+    }
+  },
+  tlsAllowInvalidHostnames: {
+    target: 'checkServerIdentity',
+    transform({ name, values: [value] }) {
+      // tlsAllowInvalidHostnames means setting the checkServerIdentity function to a noop
+      return getBoolean(name, value) ? () => undefined : undefined;
+    }
+  },
+  tlsCAFile: {
+    target: 'ca',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  tlsCertificateFile: {
+    target: 'cert',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  tlsCertificateKeyFile: {
+    target: 'key',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  tlsCertificateKeyFilePassword: {
+    target: 'passphrase',
+    type: 'any'
+  },
+  tlsInsecure: {
+    transform({ name, options, values: [value] }) {
+      const tlsInsecure = getBoolean(name, value);
+      if (tlsInsecure) {
+        options.checkServerIdentity = () => undefined;
+        options.rejectUnauthorized = false;
+      } else {
+        options.checkServerIdentity = options.tlsAllowInvalidHostnames
+          ? () => undefined
+          : undefined;
+        options.rejectUnauthorized = options.tlsAllowInvalidCertificates ? false : true;
+      }
+      return tlsInsecure;
+    }
+  },
+  w: {
+    target: 'writeConcern',
+    transform({ values: [value], options }) {
+      return WriteConcern.fromOptions({ writeConcern: { ...options.writeConcern, w: value as W } });
+    }
+  },
+  waitQueueTimeoutMS: {
+    default: 0,
+    type: 'uint'
+  },
+  writeConcern: {
+    target: 'writeConcern',
+    transform({ values: [value], options }) {
+      if (isRecord(value) || value instanceof WriteConcern) {
+        return WriteConcern.fromOptions({
+          writeConcern: {
+            ...options.writeConcern,
+            ...value
+          }
+        });
+      } else if (value === 'majority' || typeof value === 'number') {
+        return WriteConcern.fromOptions({
+          writeConcern: {
+            ...options.writeConcern,
+            w: value
+          }
+        });
+      }
+
+      throw new MongoParseError(`Invalid WriteConcern cannot parse: ${JSON.stringify(value)}`);
+    }
+  },
+  wtimeout: {
+    deprecated: 'Please use wtimeoutMS instead',
+    target: 'writeConcern',
+    transform({ values: [value], options }) {
+      const wc = WriteConcern.fromOptions({
+        writeConcern: {
+          ...options.writeConcern,
+          wtimeout: getUint('wtimeout', value)
+        }
+      });
+      if (wc) return wc;
+      throw new MongoParseError(`Cannot make WriteConcern from wtimeout`);
+    }
+  } as OptionDescriptor,
+  wtimeoutMS: {
+    target: 'writeConcern',
+    transform({ values: [value], options }) {
+      const wc = WriteConcern.fromOptions({
+        writeConcern: {
+          ...options.writeConcern,
+          wtimeoutMS: getUint('wtimeoutMS', value)
+        }
+      });
+      if (wc) return wc;
+      throw new MongoParseError(`Cannot make WriteConcern from wtimeout`);
+    }
+  },
+  zlibCompressionLevel: {
+    default: 0,
+    type: 'int'
+  },
+  // Custom types for modifying core behavior
+  connectionType: { type: 'any' },
+  srvPoller: { type: 'any' },
+  // Accepted NodeJS Options
+  minDHSize: { type: 'any' },
+  pskCallback: { type: 'any' },
+  secureContext: { type: 'any' },
+  enableTrace: { type: 'any' },
+  requestCert: { type: 'any' },
+  rejectUnauthorized: { type: 'any' },
+  checkServerIdentity: { type: 'any' },
+  ALPNProtocols: { type: 'any' },
+  SNICallback: { type: 'any' },
+  session: { type: 'any' },
+  requestOCSP: { type: 'any' },
+  localAddress: { type: 'any' },
+  localPort: { type: 'any' },
+  hints: { type: 'any' },
+  lookup: { type: 'any' },
+  ca: { type: 'any' },
+  cert: { type: 'any' },
+  ciphers: { type: 'any' },
+  crl: { type: 'any' },
+  ecdhCurve: { type: 'any' },
+  key: { type: 'any' },
+  passphrase: { type: 'any' },
+  pfx: { type: 'any' },
+  secureProtocol: { type: 'any' },
+  index: { type: 'any' },
+  // Legacy Options, these are unused but left here to avoid errors with CSFLE lib
+  useNewUrlParser: { type: 'boolean' } as OptionDescriptor,
+  useUnifiedTopology: { type: 'boolean' } as OptionDescriptor
+} as Record<keyof MongoClientOptions, OptionDescriptor>;
+
+export const DEFAULT_OPTIONS = new CaseInsensitiveMap(
+  Object.entries(OPTIONS)
+    .filter(([, descriptor]) => descriptor.default != null)
+    .map(([k, d]) => [k, d.default])
+);
+
+/**
+ * Set of permitted feature flags
+ * @internal
+ */
+export const FEATURE_FLAGS = new Set([Symbol.for('@@mdb.skipPingOnConnect')]);
diff --git a/node_modules/mongodb/src/constants.ts b/node_modules/mongodb/src/constants.ts
new file mode 100644
index 000000000..eec4b0757
--- /dev/null
+++ b/node_modules/mongodb/src/constants.ts
@@ -0,0 +1,136 @@
+export const SYSTEM_NAMESPACE_COLLECTION = 'system.namespaces';
+export const SYSTEM_INDEX_COLLECTION = 'system.indexes';
+export const SYSTEM_PROFILE_COLLECTION = 'system.profile';
+export const SYSTEM_USER_COLLECTION = 'system.users';
+export const SYSTEM_COMMAND_COLLECTION = '$cmd';
+export const SYSTEM_JS_COLLECTION = 'system.js';
+
+// events
+export const ERROR = 'error' as const;
+export const TIMEOUT = 'timeout' as const;
+export const CLOSE = 'close' as const;
+export const OPEN = 'open' as const;
+export const CONNECT = 'connect' as const;
+export const CLOSED = 'closed' as const;
+export const ENDED = 'ended' as const;
+export const MESSAGE = 'message' as const;
+export const PINNED = 'pinned' as const;
+export const UNPINNED = 'unpinned' as const;
+export const DESCRIPTION_RECEIVED = 'descriptionReceived';
+export const SERVER_OPENING = 'serverOpening' as const;
+export const SERVER_CLOSED = 'serverClosed' as const;
+export const SERVER_DESCRIPTION_CHANGED = 'serverDescriptionChanged' as const;
+export const TOPOLOGY_OPENING = 'topologyOpening' as const;
+export const TOPOLOGY_CLOSED = 'topologyClosed' as const;
+export const TOPOLOGY_DESCRIPTION_CHANGED = 'topologyDescriptionChanged' as const;
+export const CONNECTION_POOL_CREATED = 'connectionPoolCreated' as const;
+export const CONNECTION_POOL_CLOSED = 'connectionPoolClosed' as const;
+export const CONNECTION_POOL_CLEARED = 'connectionPoolCleared' as const;
+export const CONNECTION_POOL_READY = 'connectionPoolReady' as const;
+export const CONNECTION_CREATED = 'connectionCreated' as const;
+export const CONNECTION_READY = 'connectionReady' as const;
+export const CONNECTION_CLOSED = 'connectionClosed' as const;
+export const CONNECTION_CHECK_OUT_STARTED = 'connectionCheckOutStarted' as const;
+export const CONNECTION_CHECK_OUT_FAILED = 'connectionCheckOutFailed' as const;
+export const CONNECTION_CHECKED_OUT = 'connectionCheckedOut' as const;
+export const CONNECTION_CHECKED_IN = 'connectionCheckedIn' as const;
+export const CLUSTER_TIME_RECEIVED = 'clusterTimeReceived' as const;
+export const COMMAND_STARTED = 'commandStarted' as const;
+export const COMMAND_SUCCEEDED = 'commandSucceeded' as const;
+export const COMMAND_FAILED = 'commandFailed' as const;
+export const SERVER_HEARTBEAT_STARTED = 'serverHeartbeatStarted' as const;
+export const SERVER_HEARTBEAT_SUCCEEDED = 'serverHeartbeatSucceeded' as const;
+export const SERVER_HEARTBEAT_FAILED = 'serverHeartbeatFailed' as const;
+export const RESPONSE = 'response' as const;
+export const MORE = 'more' as const;
+export const INIT = 'init' as const;
+export const CHANGE = 'change' as const;
+export const END = 'end' as const;
+export const RESUME_TOKEN_CHANGED = 'resumeTokenChanged' as const;
+
+/** @public */
+export const HEARTBEAT_EVENTS = Object.freeze([
+  SERVER_HEARTBEAT_STARTED,
+  SERVER_HEARTBEAT_SUCCEEDED,
+  SERVER_HEARTBEAT_FAILED
+] as const);
+
+/** @public */
+export const CMAP_EVENTS = Object.freeze([
+  CONNECTION_POOL_CREATED,
+  CONNECTION_POOL_READY,
+  CONNECTION_POOL_CLEARED,
+  CONNECTION_POOL_CLOSED,
+  CONNECTION_CREATED,
+  CONNECTION_READY,
+  CONNECTION_CLOSED,
+  CONNECTION_CHECK_OUT_STARTED,
+  CONNECTION_CHECK_OUT_FAILED,
+  CONNECTION_CHECKED_OUT,
+  CONNECTION_CHECKED_IN
+] as const);
+
+/** @public */
+export const TOPOLOGY_EVENTS = Object.freeze([
+  SERVER_OPENING,
+  SERVER_CLOSED,
+  SERVER_DESCRIPTION_CHANGED,
+  TOPOLOGY_OPENING,
+  TOPOLOGY_CLOSED,
+  TOPOLOGY_DESCRIPTION_CHANGED,
+  ERROR,
+  TIMEOUT,
+  CLOSE
+] as const);
+
+/** @public */
+export const APM_EVENTS = Object.freeze([
+  COMMAND_STARTED,
+  COMMAND_SUCCEEDED,
+  COMMAND_FAILED
+] as const);
+
+/**
+ * All events that we relay to the `Topology`
+ * @internal
+ */
+export const SERVER_RELAY_EVENTS = Object.freeze([
+  SERVER_HEARTBEAT_STARTED,
+  SERVER_HEARTBEAT_SUCCEEDED,
+  SERVER_HEARTBEAT_FAILED,
+  COMMAND_STARTED,
+  COMMAND_SUCCEEDED,
+  COMMAND_FAILED,
+  ...CMAP_EVENTS
+] as const);
+
+/**
+ * All events we listen to from `Server` instances, but do not forward to the client
+ * @internal
+ */
+export const LOCAL_SERVER_EVENTS = Object.freeze([
+  CONNECT,
+  DESCRIPTION_RECEIVED,
+  CLOSED,
+  ENDED
+] as const);
+
+/** @public */
+export const MONGO_CLIENT_EVENTS = Object.freeze([
+  ...CMAP_EVENTS,
+  ...APM_EVENTS,
+  ...TOPOLOGY_EVENTS,
+  ...HEARTBEAT_EVENTS
+] as const);
+
+/**
+ * @internal
+ * The legacy hello command that was deprecated in MongoDB 5.0.
+ */
+export const LEGACY_HELLO_COMMAND = 'ismaster';
+
+/**
+ * @internal
+ * The legacy hello command that was deprecated in MongoDB 5.0.
+ */
+export const LEGACY_HELLO_COMMAND_CAMEL_CASE = 'isMaster';
diff --git a/node_modules/mongodb/src/cursor/abstract_cursor.ts b/node_modules/mongodb/src/cursor/abstract_cursor.ts
new file mode 100644
index 000000000..c9df87dd3
--- /dev/null
+++ b/node_modules/mongodb/src/cursor/abstract_cursor.ts
@@ -0,0 +1,938 @@
+import { Readable, Transform } from 'stream';
+
+import { BSONSerializeOptions, Document, Long, pluckBSONSerializeOptions } from '../bson';
+import {
+  AnyError,
+  MongoCursorExhaustedError,
+  MongoCursorInUseError,
+  MongoInvalidArgumentError,
+  MongoNetworkError,
+  MongoRuntimeError,
+  MongoTailableCursorError
+} from '../error';
+import type { MongoClient } from '../mongo_client';
+import { TODO_NODE_3286, TypedEventEmitter } from '../mongo_types';
+import { executeOperation, ExecutionResult } from '../operations/execute_operation';
+import { GetMoreOperation } from '../operations/get_more';
+import { KillCursorsOperation } from '../operations/kill_cursors';
+import { ReadConcern, ReadConcernLike } from '../read_concern';
+import { ReadPreference, ReadPreferenceLike } from '../read_preference';
+import type { Server } from '../sdam/server';
+import { ClientSession, maybeClearPinnedConnection } from '../sessions';
+import { Callback, maybePromise, MongoDBNamespace, ns } from '../utils';
+
+/** @internal */
+const kId = Symbol('id');
+/** @internal */
+const kDocuments = Symbol('documents');
+/** @internal */
+const kServer = Symbol('server');
+/** @internal */
+const kNamespace = Symbol('namespace');
+/** @internal */
+const kClient = Symbol('client');
+/** @internal */
+const kSession = Symbol('session');
+/** @internal */
+const kOptions = Symbol('options');
+/** @internal */
+const kTransform = Symbol('transform');
+/** @internal */
+const kInitialized = Symbol('initialized');
+/** @internal */
+const kClosed = Symbol('closed');
+/** @internal */
+const kKilled = Symbol('killed');
+/** @internal */
+const kInit = Symbol('kInit');
+
+/** @public */
+export const CURSOR_FLAGS = [
+  'tailable',
+  'oplogReplay',
+  'noCursorTimeout',
+  'awaitData',
+  'exhaust',
+  'partial'
+] as const;
+
+/** @public
+ * @deprecated This interface is deprecated */
+export interface CursorCloseOptions {
+  /** Bypass calling killCursors when closing the cursor. */
+  /** @deprecated  the skipKillCursors option is deprecated */
+  skipKillCursors?: boolean;
+}
+
+/** @public */
+export interface CursorStreamOptions {
+  /** A transformation method applied to each document emitted by the stream */
+  transform?(this: void, doc: Document): Document;
+}
+
+/** @public */
+export type CursorFlag = typeof CURSOR_FLAGS[number];
+
+/** @public */
+export interface AbstractCursorOptions extends BSONSerializeOptions {
+  session?: ClientSession;
+  readPreference?: ReadPreferenceLike;
+  readConcern?: ReadConcernLike;
+  /**
+   * Specifies the number of documents to return in each response from MongoDB
+   */
+  batchSize?: number;
+  /**
+   * When applicable `maxTimeMS` controls the amount of time the initial command
+   * that constructs a cursor should take. (ex. find, aggregate, listCollections)
+   */
+  maxTimeMS?: number;
+  /**
+   * When applicable `maxAwaitTimeMS` controls the amount of time subsequent getMores
+   * that a cursor uses to fetch more data should take. (ex. cursor.next())
+   */
+  maxAwaitTimeMS?: number;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions pre-4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+   */
+  comment?: unknown;
+  /**
+   * By default, MongoDB will automatically close a cursor when the
+   * client has exhausted all results in the cursor. However, for [capped collections](https://www.mongodb.com/docs/manual/core/capped-collections)
+   * you may use a Tailable Cursor that remains open after the client exhausts
+   * the results in the initial cursor.
+   */
+  tailable?: boolean;
+  /**
+   * If awaitData is set to true, when the cursor reaches the end of the capped collection,
+   * MongoDB blocks the query thread for a period of time waiting for new data to arrive.
+   * When new data is inserted into the capped collection, the blocked thread is signaled
+   * to wake up and return the next batch to the client.
+   */
+  awaitData?: boolean;
+  noCursorTimeout?: boolean;
+}
+
+/** @internal */
+export type InternalAbstractCursorOptions = Omit<AbstractCursorOptions, 'readPreference'> & {
+  // resolved
+  readPreference: ReadPreference;
+  readConcern?: ReadConcern;
+
+  // cursor flags, some are deprecated
+  oplogReplay?: boolean;
+  exhaust?: boolean;
+  partial?: boolean;
+};
+
+/** @public */
+export type AbstractCursorEvents = {
+  [AbstractCursor.CLOSE](): void;
+};
+
+/** @public */
+export abstract class AbstractCursor<
+  TSchema = any,
+  CursorEvents extends AbstractCursorEvents = AbstractCursorEvents
+> extends TypedEventEmitter<CursorEvents> {
+  /** @internal */
+  [kId]?: Long;
+  /** @internal */
+  [kSession]: ClientSession;
+  /** @internal */
+  [kServer]?: Server;
+  /** @internal */
+  [kNamespace]: MongoDBNamespace;
+  /** @internal */
+  [kDocuments]: TSchema[];
+  /** @internal */
+  [kClient]: MongoClient;
+  /** @internal */
+  [kTransform]?: (doc: TSchema) => any;
+  /** @internal */
+  [kInitialized]: boolean;
+  /** @internal */
+  [kClosed]: boolean;
+  /** @internal */
+  [kKilled]: boolean;
+  /** @internal */
+  [kOptions]: InternalAbstractCursorOptions;
+
+  /** @event */
+  static readonly CLOSE = 'close' as const;
+
+  /** @internal */
+  constructor(
+    client: MongoClient,
+    namespace: MongoDBNamespace,
+    options: AbstractCursorOptions = {}
+  ) {
+    super();
+
+    if (!client.s.isMongoClient) {
+      throw new MongoRuntimeError('Cursor must be constructed with MongoClient');
+    }
+    this[kClient] = client;
+    this[kNamespace] = namespace;
+    this[kDocuments] = [];
+    this[kInitialized] = false;
+    this[kClosed] = false;
+    this[kKilled] = false;
+    this[kOptions] = {
+      readPreference:
+        options.readPreference && options.readPreference instanceof ReadPreference
+          ? options.readPreference
+          : ReadPreference.primary,
+      ...pluckBSONSerializeOptions(options)
+    };
+
+    const readConcern = ReadConcern.fromOptions(options);
+    if (readConcern) {
+      this[kOptions].readConcern = readConcern;
+    }
+
+    if (typeof options.batchSize === 'number') {
+      this[kOptions].batchSize = options.batchSize;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      this[kOptions].comment = options.comment;
+    }
+
+    if (typeof options.maxTimeMS === 'number') {
+      this[kOptions].maxTimeMS = options.maxTimeMS;
+    }
+
+    if (typeof options.maxAwaitTimeMS === 'number') {
+      this[kOptions].maxAwaitTimeMS = options.maxAwaitTimeMS;
+    }
+
+    if (options.session instanceof ClientSession) {
+      this[kSession] = options.session;
+    } else {
+      this[kSession] = this[kClient].startSession({ owner: this, explicit: false });
+    }
+  }
+
+  get id(): Long | undefined {
+    return this[kId];
+  }
+
+  /** @internal */
+  get client(): MongoClient {
+    return this[kClient];
+  }
+
+  /** @internal */
+  get server(): Server | undefined {
+    return this[kServer];
+  }
+
+  get namespace(): MongoDBNamespace {
+    return this[kNamespace];
+  }
+
+  get readPreference(): ReadPreference {
+    return this[kOptions].readPreference;
+  }
+
+  get readConcern(): ReadConcern | undefined {
+    return this[kOptions].readConcern;
+  }
+
+  /** @internal */
+  get session(): ClientSession {
+    return this[kSession];
+  }
+
+  set session(clientSession: ClientSession) {
+    this[kSession] = clientSession;
+  }
+
+  /** @internal */
+  get cursorOptions(): InternalAbstractCursorOptions {
+    return this[kOptions];
+  }
+
+  get closed(): boolean {
+    return this[kClosed];
+  }
+
+  get killed(): boolean {
+    return this[kKilled];
+  }
+
+  get loadBalanced(): boolean {
+    return !!this[kClient].topology?.loadBalanced;
+  }
+
+  /** Returns current buffered documents length */
+  bufferedCount(): number {
+    return this[kDocuments].length;
+  }
+
+  /** Returns current buffered documents */
+  readBufferedDocuments(number?: number): TSchema[] {
+    return this[kDocuments].splice(0, number ?? this[kDocuments].length);
+  }
+
+  [Symbol.asyncIterator](): AsyncIterator<TSchema, void> {
+    return {
+      next: () =>
+        this.next().then(value =>
+          value != null ? { value, done: false } : { value: undefined, done: true }
+        )
+    };
+  }
+
+  stream(options?: CursorStreamOptions): Readable & AsyncIterable<TSchema> {
+    if (options?.transform) {
+      const transform = options.transform;
+      const readable = new ReadableCursorStream(this);
+
+      return readable.pipe(
+        new Transform({
+          objectMode: true,
+          highWaterMark: 1,
+          transform(chunk, _, callback) {
+            try {
+              const transformed = transform(chunk);
+              callback(undefined, transformed);
+            } catch (err) {
+              callback(err);
+            }
+          }
+        })
+      );
+    }
+
+    return new ReadableCursorStream(this);
+  }
+
+  hasNext(): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  hasNext(callback: Callback<boolean>): void;
+  hasNext(callback?: Callback<boolean>): Promise<boolean> | void {
+    return maybePromise(callback, done => {
+      if (this[kId] === Long.ZERO) {
+        return done(undefined, false);
+      }
+
+      if (this[kDocuments].length) {
+        return done(undefined, true);
+      }
+
+      next<TSchema>(this, true, (err, doc) => {
+        if (err) return done(err);
+
+        if (doc) {
+          this[kDocuments].unshift(doc);
+          done(undefined, true);
+          return;
+        }
+
+        done(undefined, false);
+      });
+    });
+  }
+
+  /** Get the next available document from the cursor, returns null if no more documents are available. */
+  next(): Promise<TSchema | null>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  next(callback: Callback<TSchema | null>): void;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  next(callback?: Callback<TSchema | null>): Promise<TSchema | null> | void;
+  next(callback?: Callback<TSchema | null>): Promise<TSchema | null> | void {
+    return maybePromise(callback, done => {
+      if (this[kId] === Long.ZERO) {
+        return done(new MongoCursorExhaustedError());
+      }
+
+      next(this, true, done);
+    });
+  }
+
+  /**
+   * Try to get the next available document from the cursor or `null` if an empty batch is returned
+   */
+  tryNext(): Promise<TSchema | null>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  tryNext(callback: Callback<TSchema | null>): void;
+  tryNext(callback?: Callback<TSchema | null>): Promise<TSchema | null> | void {
+    return maybePromise(callback, done => {
+      if (this[kId] === Long.ZERO) {
+        return done(new MongoCursorExhaustedError());
+      }
+
+      next(this, false, done);
+    });
+  }
+
+  /**
+   * Iterates over all the documents for this cursor using the iterator, callback pattern.
+   *
+   * @param iterator - The iteration callback.
+   * @param callback - The end callback.
+   */
+  forEach(iterator: (doc: TSchema) => boolean | void): Promise<void>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  forEach(iterator: (doc: TSchema) => boolean | void, callback: Callback<void>): void;
+  forEach(
+    iterator: (doc: TSchema) => boolean | void,
+    callback?: Callback<void>
+  ): Promise<void> | void {
+    if (typeof iterator !== 'function') {
+      throw new MongoInvalidArgumentError('Argument "iterator" must be a function');
+    }
+    return maybePromise(callback, done => {
+      const transform = this[kTransform];
+      const fetchDocs = () => {
+        next<TSchema>(this, true, (err, doc) => {
+          if (err || doc == null) return done(err);
+          let result;
+          // NOTE: no need to transform because `next` will do this automatically
+          try {
+            result = iterator(doc); // TODO(NODE-3283): Improve transform typing
+          } catch (error) {
+            return done(error);
+          }
+
+          if (result === false) return done();
+
+          // these do need to be transformed since they are copying the rest of the batch
+          const internalDocs = this[kDocuments].splice(0, this[kDocuments].length);
+          for (let i = 0; i < internalDocs.length; ++i) {
+            try {
+              result = iterator(
+                (transform ? transform(internalDocs[i]) : internalDocs[i]) as TSchema // TODO(NODE-3283): Improve transform typing
+              );
+            } catch (error) {
+              return done(error);
+            }
+            if (result === false) return done();
+          }
+
+          fetchDocs();
+        });
+      };
+
+      fetchDocs();
+    });
+  }
+
+  close(): Promise<void>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  close(callback: Callback): void;
+  /**
+   * @deprecated options argument is deprecated
+   */
+  close(options: CursorCloseOptions): Promise<void>;
+  /**
+   * @deprecated options argument is deprecated. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance
+   */
+  close(options: CursorCloseOptions, callback: Callback): void;
+  close(options?: CursorCloseOptions | Callback, callback?: Callback): Promise<void> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    const needsToEmitClosed = !this[kClosed];
+    this[kClosed] = true;
+
+    return maybePromise(callback, done => cleanupCursor(this, { needsToEmitClosed }, done));
+  }
+
+  /**
+   * Returns an array of documents. The caller is responsible for making sure that there
+   * is enough memory to store the results. Note that the array only contains partial
+   * results when this cursor had been previously accessed. In that case,
+   * cursor.rewind() can be used to reset the cursor.
+   *
+   * @param callback - The result callback.
+   */
+  toArray(): Promise<TSchema[]>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  toArray(callback: Callback<TSchema[]>): void;
+  toArray(callback?: Callback<TSchema[]>): Promise<TSchema[]> | void {
+    return maybePromise(callback, done => {
+      const docs: TSchema[] = [];
+      const transform = this[kTransform];
+      const fetchDocs = () => {
+        // NOTE: if we add a `nextBatch` then we should use it here
+        next<TSchema>(this, true, (err, doc) => {
+          if (err) return done(err);
+          if (doc == null) return done(undefined, docs);
+
+          // NOTE: no need to transform because `next` will do this automatically
+          docs.push(doc);
+
+          // these do need to be transformed since they are copying the rest of the batch
+          const internalDocs = (
+            transform
+              ? this[kDocuments].splice(0, this[kDocuments].length).map(transform)
+              : this[kDocuments].splice(0, this[kDocuments].length)
+          ) as TSchema[]; // TODO(NODE-3283): Improve transform typing
+
+          if (internalDocs) {
+            docs.push(...internalDocs);
+          }
+
+          fetchDocs();
+        });
+      };
+
+      fetchDocs();
+    });
+  }
+
+  /**
+   * Add a cursor flag to the cursor
+   *
+   * @param flag - The flag to set, must be one of following ['tailable', 'oplogReplay', 'noCursorTimeout', 'awaitData', 'partial' -.
+   * @param value - The flag boolean value.
+   */
+  addCursorFlag(flag: CursorFlag, value: boolean): this {
+    assertUninitialized(this);
+    if (!CURSOR_FLAGS.includes(flag)) {
+      throw new MongoInvalidArgumentError(`Flag ${flag} is not one of ${CURSOR_FLAGS}`);
+    }
+
+    if (typeof value !== 'boolean') {
+      throw new MongoInvalidArgumentError(`Flag ${flag} must be a boolean value`);
+    }
+
+    this[kOptions][flag] = value;
+    return this;
+  }
+
+  /**
+   * Map all documents using the provided function
+   * If there is a transform set on the cursor, that will be called first and the result passed to
+   * this function's transform.
+   *
+   * @remarks
+   * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+   * it **does not** return a new instance of a cursor. This means when calling map,
+   * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+   * Take note of the following example:
+   *
+   * @example
+   * ```typescript
+   * const cursor: FindCursor<Document> = coll.find();
+   * const mappedCursor: FindCursor<number> = cursor.map(doc => Object.keys(doc).length);
+   * const keyCounts: number[] = await mappedCursor.toArray(); // cursor.toArray() still returns Document[]
+   * ```
+   * @param transform - The mapping transformation method.
+   */
+  map<T = any>(transform: (doc: TSchema) => T): AbstractCursor<T> {
+    assertUninitialized(this);
+    const oldTransform = this[kTransform] as (doc: TSchema) => TSchema; // TODO(NODE-3283): Improve transform typing
+    if (oldTransform) {
+      this[kTransform] = doc => {
+        return transform(oldTransform(doc));
+      };
+    } else {
+      this[kTransform] = transform;
+    }
+
+    return this as unknown as AbstractCursor<T>;
+  }
+
+  /**
+   * Set the ReadPreference for the cursor.
+   *
+   * @param readPreference - The new read preference for the cursor.
+   */
+  withReadPreference(readPreference: ReadPreferenceLike): this {
+    assertUninitialized(this);
+    if (readPreference instanceof ReadPreference) {
+      this[kOptions].readPreference = readPreference;
+    } else if (typeof readPreference === 'string') {
+      this[kOptions].readPreference = ReadPreference.fromString(readPreference);
+    } else {
+      throw new MongoInvalidArgumentError(`Invalid read preference: ${readPreference}`);
+    }
+
+    return this;
+  }
+
+  /**
+   * Set the ReadPreference for the cursor.
+   *
+   * @param readPreference - The new read preference for the cursor.
+   */
+  withReadConcern(readConcern: ReadConcernLike): this {
+    assertUninitialized(this);
+    const resolvedReadConcern = ReadConcern.fromOptions({ readConcern });
+    if (resolvedReadConcern) {
+      this[kOptions].readConcern = resolvedReadConcern;
+    }
+
+    return this;
+  }
+
+  /**
+   * Set a maxTimeMS on the cursor query, allowing for hard timeout limits on queries (Only supported on MongoDB 2.6 or higher)
+   *
+   * @param value - Number of milliseconds to wait before aborting the query.
+   */
+  maxTimeMS(value: number): this {
+    assertUninitialized(this);
+    if (typeof value !== 'number') {
+      throw new MongoInvalidArgumentError('Argument for maxTimeMS must be a number');
+    }
+
+    this[kOptions].maxTimeMS = value;
+    return this;
+  }
+
+  /**
+   * Set the batch size for the cursor.
+   *
+   * @param value - The number of documents to return per batch. See {@link https://docs.mongodb.com/manual/reference/command/find/|find command documentation}.
+   */
+  batchSize(value: number): this {
+    assertUninitialized(this);
+    if (this[kOptions].tailable) {
+      throw new MongoTailableCursorError('Tailable cursor does not support batchSize');
+    }
+
+    if (typeof value !== 'number') {
+      throw new MongoInvalidArgumentError('Operation "batchSize" requires an integer');
+    }
+
+    this[kOptions].batchSize = value;
+    return this;
+  }
+
+  /**
+   * Rewind this cursor to its uninitialized state. Any options that are present on the cursor will
+   * remain in effect. Iterating this cursor will cause new queries to be sent to the server, even
+   * if the resultant data has already been retrieved by this cursor.
+   */
+  rewind(): void {
+    if (!this[kInitialized]) {
+      return;
+    }
+
+    this[kId] = undefined;
+    this[kDocuments] = [];
+    this[kClosed] = false;
+    this[kKilled] = false;
+    this[kInitialized] = false;
+
+    const session = this[kSession];
+    if (session) {
+      // We only want to end this session if we created it, and it hasn't ended yet
+      if (session.explicit === false) {
+        if (!session.hasEnded) {
+          session.endSession().catch(() => null);
+        }
+        this[kSession] = this.client.startSession({ owner: this, explicit: false });
+      }
+    }
+  }
+
+  /**
+   * Returns a new uninitialized copy of this cursor, with options matching those that have been set on the current instance
+   */
+  abstract clone(): AbstractCursor<TSchema>;
+
+  /** @internal */
+  abstract _initialize(
+    session: ClientSession | undefined,
+    callback: Callback<ExecutionResult>
+  ): void;
+
+  /** @internal */
+  _getMore(batchSize: number, callback: Callback<Document>): void {
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    const getMoreOperation = new GetMoreOperation(this[kNamespace], this[kId]!, this[kServer]!, {
+      ...this[kOptions],
+      session: this[kSession],
+      batchSize
+    });
+
+    executeOperation(this[kClient], getMoreOperation, callback);
+  }
+
+  /**
+   * @internal
+   *
+   * This function is exposed for the unified test runner's createChangeStream
+   * operation.  We cannot refactor to use the abstract _initialize method without
+   * a significant refactor.
+   */
+  [kInit](callback: Callback<TSchema | null>): void {
+    this._initialize(this[kSession], (err, state) => {
+      if (state) {
+        const response = state.response;
+        this[kServer] = state.server;
+
+        if (response.cursor) {
+          // TODO(NODE-2674): Preserve int64 sent from MongoDB
+          this[kId] =
+            typeof response.cursor.id === 'number'
+              ? Long.fromNumber(response.cursor.id)
+              : response.cursor.id;
+
+          if (response.cursor.ns) {
+            this[kNamespace] = ns(response.cursor.ns);
+          }
+
+          this[kDocuments] = response.cursor.firstBatch;
+        }
+
+        // When server responses return without a cursor document, we close this cursor
+        // and return the raw server response. This is often the case for explain commands
+        // for example
+        if (this[kId] == null) {
+          this[kId] = Long.ZERO;
+          // TODO(NODE-3286): ExecutionResult needs to accept a generic parameter
+          this[kDocuments] = [state.response as TODO_NODE_3286];
+        }
+      }
+
+      // the cursor is now initialized, even if an error occurred or it is dead
+      this[kInitialized] = true;
+
+      if (err || cursorIsDead(this)) {
+        return cleanupCursor(this, { error: err }, () => callback(err, nextDocument(this)));
+      }
+
+      callback();
+    });
+  }
+}
+
+function nextDocument<T>(cursor: AbstractCursor): T | null {
+  if (cursor[kDocuments] == null || !cursor[kDocuments].length) {
+    return null;
+  }
+
+  const doc = cursor[kDocuments].shift();
+  if (doc) {
+    const transform = cursor[kTransform];
+    if (transform) {
+      return transform(doc) as T;
+    }
+
+    return doc;
+  }
+
+  return null;
+}
+
+/**
+ * @param cursor - the cursor on which to call `next`
+ * @param blocking - a boolean indicating whether or not the cursor should `block` until data
+ *     is available.  Generally, this flag is set to `false` because if the getMore returns no documents,
+ *     the cursor has been exhausted.  In certain scenarios (ChangeStreams, tailable await cursors and
+ *     `tryNext`, for example) blocking is necessary because a getMore returning no documents does
+ *     not indicate the end of the cursor.
+ * @param callback - callback to return the result to the caller
+ * @returns
+ */
+export function next<T>(
+  cursor: AbstractCursor<T>,
+  blocking: boolean,
+  callback: Callback<T | null>
+): void {
+  const cursorId = cursor[kId];
+  if (cursor.closed) {
+    return callback(undefined, null);
+  }
+
+  if (cursor[kDocuments] && cursor[kDocuments].length) {
+    callback(undefined, nextDocument<T>(cursor));
+    return;
+  }
+
+  if (cursorId == null) {
+    // All cursors must operate within a session, one must be made implicitly if not explicitly provided
+    cursor[kInit]((err, value) => {
+      if (err) return callback(err);
+      if (value) {
+        return callback(undefined, value);
+      }
+      return next(cursor, blocking, callback);
+    });
+
+    return;
+  }
+
+  if (cursorIsDead(cursor)) {
+    return cleanupCursor(cursor, undefined, () => callback(undefined, null));
+  }
+
+  // otherwise need to call getMore
+  const batchSize = cursor[kOptions].batchSize || 1000;
+  cursor._getMore(batchSize, (err, response) => {
+    if (response) {
+      const cursorId =
+        typeof response.cursor.id === 'number'
+          ? Long.fromNumber(response.cursor.id)
+          : response.cursor.id;
+
+      cursor[kDocuments] = response.cursor.nextBatch;
+      cursor[kId] = cursorId;
+    }
+
+    if (err || cursorIsDead(cursor)) {
+      return cleanupCursor(cursor, { error: err }, () => callback(err, nextDocument<T>(cursor)));
+    }
+
+    if (cursor[kDocuments].length === 0 && blocking === false) {
+      return callback(undefined, null);
+    }
+
+    next(cursor, blocking, callback);
+  });
+}
+
+function cursorIsDead(cursor: AbstractCursor): boolean {
+  const cursorId = cursor[kId];
+  return !!cursorId && cursorId.isZero();
+}
+
+function cleanupCursor(
+  cursor: AbstractCursor,
+  options: { error?: AnyError | undefined; needsToEmitClosed?: boolean } | undefined,
+  callback: Callback
+): void {
+  const cursorId = cursor[kId];
+  const cursorNs = cursor[kNamespace];
+  const server = cursor[kServer];
+  const session = cursor[kSession];
+  const error = options?.error;
+  const needsToEmitClosed = options?.needsToEmitClosed ?? cursor[kDocuments].length === 0;
+
+  if (error) {
+    if (cursor.loadBalanced && error instanceof MongoNetworkError) {
+      return completeCleanup();
+    }
+  }
+
+  if (cursorId == null || server == null || cursorId.isZero() || cursorNs == null) {
+    if (needsToEmitClosed) {
+      cursor[kClosed] = true;
+      cursor[kId] = Long.ZERO;
+      cursor.emit(AbstractCursor.CLOSE);
+    }
+
+    if (session) {
+      if (session.owner === cursor) {
+        return session.endSession({ error }, callback);
+      }
+
+      if (!session.inTransaction()) {
+        maybeClearPinnedConnection(session, { error });
+      }
+    }
+
+    return callback();
+  }
+
+  function completeCleanup() {
+    if (session) {
+      if (session.owner === cursor) {
+        return session.endSession({ error }, () => {
+          cursor.emit(AbstractCursor.CLOSE);
+          callback();
+        });
+      }
+
+      if (!session.inTransaction()) {
+        maybeClearPinnedConnection(session, { error });
+      }
+    }
+
+    cursor.emit(AbstractCursor.CLOSE);
+    return callback();
+  }
+
+  cursor[kKilled] = true;
+
+  return executeOperation(
+    cursor[kClient],
+    new KillCursorsOperation(cursorId, cursorNs, server, { session }),
+    completeCleanup
+  );
+}
+
+/** @internal */
+export function assertUninitialized(cursor: AbstractCursor): void {
+  if (cursor[kInitialized]) {
+    throw new MongoCursorInUseError();
+  }
+}
+
+class ReadableCursorStream extends Readable {
+  private _cursor: AbstractCursor;
+  private _readInProgress = false;
+
+  constructor(cursor: AbstractCursor) {
+    super({
+      objectMode: true,
+      autoDestroy: false,
+      highWaterMark: 1
+    });
+    this._cursor = cursor;
+  }
+
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  override _read(size: number): void {
+    if (!this._readInProgress) {
+      this._readInProgress = true;
+      this._readNext();
+    }
+  }
+
+  override _destroy(error: Error | null, callback: (error?: Error | null) => void): void {
+    this._cursor.close(err => process.nextTick(callback, err || error));
+  }
+
+  private _readNext() {
+    next(this._cursor, true, (err, result) => {
+      if (err) {
+        // NOTE: This is questionable, but we have a test backing the behavior. It seems the
+        //       desired behavior is that a stream ends cleanly when a user explicitly closes
+        //       a client during iteration. Alternatively, we could do the "right" thing and
+        //       propagate the error message by removing this special case.
+        if (err.message.match(/server is closed/)) {
+          this._cursor.close().catch(() => null);
+          return this.push(null);
+        }
+
+        // NOTE: This is also perhaps questionable. The rationale here is that these errors tend
+        //       to be "operation interrupted", where a cursor has been closed but there is an
+        //       active getMore in-flight. This used to check if the cursor was killed but once
+        //       that changed to happen in cleanup legitimate errors would not destroy the
+        //       stream. There are change streams test specifically test these cases.
+        if (err.message.match(/interrupted/)) {
+          return this.push(null);
+        }
+
+        return this.destroy(err);
+      }
+
+      if (result == null) {
+        this.push(null);
+      } else if (this.destroyed) {
+        this._cursor.close().catch(() => null);
+      } else {
+        if (this.push(result)) {
+          return this._readNext();
+        }
+
+        this._readInProgress = false;
+      }
+    });
+  }
+}
diff --git a/node_modules/mongodb/src/cursor/aggregation_cursor.ts b/node_modules/mongodb/src/cursor/aggregation_cursor.ts
new file mode 100644
index 000000000..d244456be
--- /dev/null
+++ b/node_modules/mongodb/src/cursor/aggregation_cursor.ts
@@ -0,0 +1,220 @@
+import type { Document } from '../bson';
+import type { ExplainVerbosityLike } from '../explain';
+import type { MongoClient } from '../mongo_client';
+import { AggregateOperation, AggregateOptions } from '../operations/aggregate';
+import { executeOperation, ExecutionResult } from '../operations/execute_operation';
+import type { ClientSession } from '../sessions';
+import type { Sort } from '../sort';
+import type { Callback, MongoDBNamespace } from '../utils';
+import { mergeOptions } from '../utils';
+import type { AbstractCursorOptions } from './abstract_cursor';
+import { AbstractCursor, assertUninitialized } from './abstract_cursor';
+
+/** @public */
+export interface AggregationCursorOptions extends AbstractCursorOptions, AggregateOptions {}
+
+/** @internal */
+const kPipeline = Symbol('pipeline');
+/** @internal */
+const kOptions = Symbol('options');
+
+/**
+ * The **AggregationCursor** class is an internal class that embodies an aggregation cursor on MongoDB
+ * allowing for iteration over the results returned from the underlying query. It supports
+ * one by one document iteration, conversion to an array or can be iterated as a Node 4.X
+ * or higher stream
+ * @public
+ */
+export class AggregationCursor<TSchema = any> extends AbstractCursor<TSchema> {
+  /** @internal */
+  [kPipeline]: Document[];
+  /** @internal */
+  [kOptions]: AggregateOptions;
+
+  /** @internal */
+  constructor(
+    client: MongoClient,
+    namespace: MongoDBNamespace,
+    pipeline: Document[] = [],
+    options: AggregateOptions = {}
+  ) {
+    super(client, namespace, options);
+
+    this[kPipeline] = pipeline;
+    this[kOptions] = options;
+  }
+
+  get pipeline(): Document[] {
+    return this[kPipeline];
+  }
+
+  clone(): AggregationCursor<TSchema> {
+    const clonedOptions = mergeOptions({}, this[kOptions]);
+    delete clonedOptions.session;
+    return new AggregationCursor(this.client, this.namespace, this[kPipeline], {
+      ...clonedOptions
+    });
+  }
+
+  override map<T>(transform: (doc: TSchema) => T): AggregationCursor<T> {
+    return super.map(transform) as AggregationCursor<T>;
+  }
+
+  /** @internal */
+  _initialize(session: ClientSession, callback: Callback<ExecutionResult>): void {
+    const aggregateOperation = new AggregateOperation(this.namespace, this[kPipeline], {
+      ...this[kOptions],
+      ...this.cursorOptions,
+      session
+    });
+
+    executeOperation(this.client, aggregateOperation, (err, response) => {
+      if (err || response == null) return callback(err);
+
+      // TODO: NODE-2882
+      callback(undefined, { server: aggregateOperation.server, session, response });
+    });
+  }
+
+  /** Execute the explain for the cursor */
+  explain(): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  explain(callback: Callback): void;
+  explain(verbosity: ExplainVerbosityLike): Promise<Document>;
+  explain(
+    verbosity?: ExplainVerbosityLike | Callback,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof verbosity === 'function') (callback = verbosity), (verbosity = true);
+    if (verbosity == null) verbosity = true;
+
+    return executeOperation(
+      this.client,
+      new AggregateOperation(this.namespace, this[kPipeline], {
+        ...this[kOptions], // NOTE: order matters here, we may need to refine this
+        ...this.cursorOptions,
+        explain: verbosity
+      }),
+      callback
+    );
+  }
+
+  /** Add a group stage to the aggregation pipeline */
+  group<T = TSchema>($group: Document): AggregationCursor<T>;
+  group($group: Document): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $group });
+    return this;
+  }
+
+  /** Add a limit stage to the aggregation pipeline */
+  limit($limit: number): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $limit });
+    return this;
+  }
+
+  /** Add a match stage to the aggregation pipeline */
+  match($match: Document): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $match });
+    return this;
+  }
+
+  /** Add an out stage to the aggregation pipeline */
+  out($out: { db: string; coll: string } | string): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $out });
+    return this;
+  }
+
+  /**
+   * Add a project stage to the aggregation pipeline
+   *
+   * @remarks
+   * In order to strictly type this function you must provide an interface
+   * that represents the effect of your projection on the result documents.
+   *
+   * By default chaining a projection to your cursor changes the returned type to the generic {@link Document} type.
+   * You should specify a parameterized type to have assertions on your final results.
+   *
+   * @example
+   * ```typescript
+   * // Best way
+   * const docs: AggregationCursor<{ a: number }> = cursor.project<{ a: number }>({ _id: 0, a: true });
+   * // Flexible way
+   * const docs: AggregationCursor<Document> = cursor.project({ _id: 0, a: true });
+   * ```
+   *
+   * @remarks
+   * In order to strictly type this function you must provide an interface
+   * that represents the effect of your projection on the result documents.
+   *
+   * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+   * it **does not** return a new instance of a cursor. This means when calling project,
+   * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+   * Take note of the following example:
+   *
+   * @example
+   * ```typescript
+   * const cursor: AggregationCursor<{ a: number; b: string }> = coll.aggregate([]);
+   * const projectCursor = cursor.project<{ a: number }>({ _id: 0, a: true });
+   * const aPropOnlyArray: {a: number}[] = await projectCursor.toArray();
+   *
+   * // or always use chaining and save the final cursor
+   *
+   * const cursor = coll.aggregate().project<{ a: string }>({
+   *   _id: 0,
+   *   a: { $convert: { input: '$a', to: 'string' }
+   * }});
+   * ```
+   */
+  project<T extends Document = Document>($project: Document): AggregationCursor<T> {
+    assertUninitialized(this);
+    this[kPipeline].push({ $project });
+    return this as unknown as AggregationCursor<T>;
+  }
+
+  /** Add a lookup stage to the aggregation pipeline */
+  lookup($lookup: Document): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $lookup });
+    return this;
+  }
+
+  /** Add a redact stage to the aggregation pipeline */
+  redact($redact: Document): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $redact });
+    return this;
+  }
+
+  /** Add a skip stage to the aggregation pipeline */
+  skip($skip: number): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $skip });
+    return this;
+  }
+
+  /** Add a sort stage to the aggregation pipeline */
+  sort($sort: Sort): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $sort });
+    return this;
+  }
+
+  /** Add a unwind stage to the aggregation pipeline */
+  unwind($unwind: Document | string): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $unwind });
+    return this;
+  }
+
+  // deprecated methods
+  /** @deprecated Add a geoNear stage to the aggregation pipeline */
+  geoNear($geoNear: Document): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $geoNear });
+    return this;
+  }
+}
diff --git a/node_modules/mongodb/src/cursor/change_stream_cursor.ts b/node_modules/mongodb/src/cursor/change_stream_cursor.ts
new file mode 100644
index 000000000..b5a4ae463
--- /dev/null
+++ b/node_modules/mongodb/src/cursor/change_stream_cursor.ts
@@ -0,0 +1,194 @@
+import type { Document, Long, Timestamp } from '../bson';
+import {
+  type ChangeStreamDocument,
+  type ChangeStreamEvents,
+  type OperationTime,
+  type ResumeToken,
+  ChangeStream
+} from '../change_stream';
+import { INIT, RESPONSE } from '../constants';
+import type { MongoClient } from '../mongo_client';
+import type { TODO_NODE_3286 } from '../mongo_types';
+import { AggregateOperation } from '../operations/aggregate';
+import type { CollationOptions } from '../operations/command';
+import { type ExecutionResult, executeOperation } from '../operations/execute_operation';
+import type { ClientSession } from '../sessions';
+import { type Callback, type MongoDBNamespace, maxWireVersion } from '../utils';
+import { type AbstractCursorOptions, AbstractCursor } from './abstract_cursor';
+
+/** @internal */
+export interface ChangeStreamCursorOptions extends AbstractCursorOptions {
+  startAtOperationTime?: OperationTime;
+  resumeAfter?: ResumeToken;
+  startAfter?: ResumeToken;
+  maxAwaitTimeMS?: number;
+  collation?: CollationOptions;
+  fullDocument?: string;
+}
+
+/** @internal */
+export type ChangeStreamAggregateRawResult<TChange> = {
+  $clusterTime: { clusterTime: Timestamp };
+  cursor: {
+    postBatchResumeToken: ResumeToken;
+    ns: string;
+    id: number | Long;
+  } & ({ firstBatch: TChange[] } | { nextBatch: TChange[] });
+  ok: 1;
+  operationTime: Timestamp;
+};
+
+/** @internal */
+export class ChangeStreamCursor<
+  TSchema extends Document = Document,
+  TChange extends Document = ChangeStreamDocument<TSchema>
+> extends AbstractCursor<TChange, ChangeStreamEvents> {
+  _resumeToken: ResumeToken;
+  startAtOperationTime?: OperationTime;
+  hasReceived?: boolean;
+  resumeAfter: ResumeToken;
+  startAfter: ResumeToken;
+  options: ChangeStreamCursorOptions;
+
+  postBatchResumeToken?: ResumeToken;
+  pipeline: Document[];
+
+  /**
+   * @internal
+   *
+   * used to determine change stream resumability
+   */
+  maxWireVersion: number | undefined;
+
+  constructor(
+    client: MongoClient,
+    namespace: MongoDBNamespace,
+    pipeline: Document[] = [],
+    options: ChangeStreamCursorOptions = {}
+  ) {
+    super(client, namespace, options);
+
+    this.pipeline = pipeline;
+    this.options = options;
+    this._resumeToken = null;
+    this.startAtOperationTime = options.startAtOperationTime;
+
+    if (options.startAfter) {
+      this.resumeToken = options.startAfter;
+    } else if (options.resumeAfter) {
+      this.resumeToken = options.resumeAfter;
+    }
+  }
+
+  set resumeToken(token: ResumeToken) {
+    this._resumeToken = token;
+    this.emit(ChangeStream.RESUME_TOKEN_CHANGED, token);
+  }
+
+  get resumeToken(): ResumeToken {
+    return this._resumeToken;
+  }
+
+  get resumeOptions(): ChangeStreamCursorOptions {
+    const options: ChangeStreamCursorOptions = {
+      ...this.options
+    };
+
+    for (const key of ['resumeAfter', 'startAfter', 'startAtOperationTime'] as const) {
+      delete options[key];
+    }
+
+    if (this.resumeToken != null) {
+      if (this.options.startAfter && !this.hasReceived) {
+        options.startAfter = this.resumeToken;
+      } else {
+        options.resumeAfter = this.resumeToken;
+      }
+    } else if (this.startAtOperationTime != null && maxWireVersion(this.server) >= 7) {
+      options.startAtOperationTime = this.startAtOperationTime;
+    }
+
+    return options;
+  }
+
+  cacheResumeToken(resumeToken: ResumeToken): void {
+    if (this.bufferedCount() === 0 && this.postBatchResumeToken) {
+      this.resumeToken = this.postBatchResumeToken;
+    } else {
+      this.resumeToken = resumeToken;
+    }
+    this.hasReceived = true;
+  }
+
+  _processBatch(response: ChangeStreamAggregateRawResult<TChange>): void {
+    const cursor = response.cursor;
+    if (cursor.postBatchResumeToken) {
+      this.postBatchResumeToken = response.cursor.postBatchResumeToken;
+
+      const batch =
+        'firstBatch' in response.cursor ? response.cursor.firstBatch : response.cursor.nextBatch;
+      if (batch.length === 0) {
+        this.resumeToken = cursor.postBatchResumeToken;
+      }
+    }
+  }
+
+  clone(): AbstractCursor<TChange> {
+    return new ChangeStreamCursor(this.client, this.namespace, this.pipeline, {
+      ...this.cursorOptions
+    });
+  }
+
+  _initialize(session: ClientSession, callback: Callback<ExecutionResult>): void {
+    const aggregateOperation = new AggregateOperation(this.namespace, this.pipeline, {
+      ...this.cursorOptions,
+      ...this.options,
+      session
+    });
+
+    executeOperation<TODO_NODE_3286, ChangeStreamAggregateRawResult<TChange>>(
+      session.client,
+      aggregateOperation,
+      (err, response) => {
+        if (err || response == null) {
+          return callback(err);
+        }
+
+        const server = aggregateOperation.server;
+        this.maxWireVersion = maxWireVersion(server);
+
+        if (
+          this.startAtOperationTime == null &&
+          this.resumeAfter == null &&
+          this.startAfter == null &&
+          this.maxWireVersion >= 7
+        ) {
+          this.startAtOperationTime = response.operationTime;
+        }
+
+        this._processBatch(response);
+
+        this.emit(INIT, response);
+        this.emit(RESPONSE);
+
+        // TODO: NODE-2882
+        callback(undefined, { server, session, response });
+      }
+    );
+  }
+
+  override _getMore(batchSize: number, callback: Callback): void {
+    super._getMore(batchSize, (err, response) => {
+      if (err) {
+        return callback(err);
+      }
+
+      this.maxWireVersion = maxWireVersion(this.server);
+      this._processBatch(response as TODO_NODE_3286 as ChangeStreamAggregateRawResult<TChange>);
+
+      this.emit(ChangeStream.MORE, response);
+      this.emit(ChangeStream.RESPONSE);
+      callback(err, response);
+    });
+  }
+}
diff --git a/node_modules/mongodb/src/cursor/find_cursor.ts b/node_modules/mongodb/src/cursor/find_cursor.ts
new file mode 100644
index 000000000..fd0c0538f
--- /dev/null
+++ b/node_modules/mongodb/src/cursor/find_cursor.ts
@@ -0,0 +1,481 @@
+import type { Document } from '../bson';
+import { MongoInvalidArgumentError, MongoTailableCursorError } from '../error';
+import type { ExplainVerbosityLike } from '../explain';
+import type { MongoClient } from '../mongo_client';
+import type { CollationOptions } from '../operations/command';
+import { CountOperation, CountOptions } from '../operations/count';
+import { executeOperation, ExecutionResult } from '../operations/execute_operation';
+import { FindOperation, FindOptions } from '../operations/find';
+import type { Hint } from '../operations/operation';
+import type { ClientSession } from '../sessions';
+import { formatSort, Sort, SortDirection } from '../sort';
+import { Callback, emitWarningOnce, mergeOptions, MongoDBNamespace } from '../utils';
+import { AbstractCursor, assertUninitialized } from './abstract_cursor';
+
+/** @internal */
+const kFilter = Symbol('filter');
+/** @internal */
+const kNumReturned = Symbol('numReturned');
+/** @internal */
+const kBuiltOptions = Symbol('builtOptions');
+
+/** @public Flags allowed for cursor */
+export const FLAGS = [
+  'tailable',
+  'oplogReplay',
+  'noCursorTimeout',
+  'awaitData',
+  'exhaust',
+  'partial'
+] as const;
+
+/** @public */
+export class FindCursor<TSchema = any> extends AbstractCursor<TSchema> {
+  /** @internal */
+  [kFilter]: Document;
+  /** @internal */
+  [kNumReturned]?: number;
+  /** @internal */
+  [kBuiltOptions]: FindOptions;
+
+  /** @internal */
+  constructor(
+    client: MongoClient,
+    namespace: MongoDBNamespace,
+    filter: Document | undefined,
+    options: FindOptions = {}
+  ) {
+    super(client, namespace, options);
+
+    this[kFilter] = filter || {};
+    this[kBuiltOptions] = options;
+
+    if (options.sort != null) {
+      this[kBuiltOptions].sort = formatSort(options.sort);
+    }
+  }
+
+  clone(): FindCursor<TSchema> {
+    const clonedOptions = mergeOptions({}, this[kBuiltOptions]);
+    delete clonedOptions.session;
+    return new FindCursor(this.client, this.namespace, this[kFilter], {
+      ...clonedOptions
+    });
+  }
+
+  override map<T>(transform: (doc: TSchema) => T): FindCursor<T> {
+    return super.map(transform) as FindCursor<T>;
+  }
+
+  /** @internal */
+  _initialize(session: ClientSession, callback: Callback<ExecutionResult>): void {
+    const findOperation = new FindOperation(undefined, this.namespace, this[kFilter], {
+      ...this[kBuiltOptions], // NOTE: order matters here, we may need to refine this
+      ...this.cursorOptions,
+      session
+    });
+
+    executeOperation(this.client, findOperation, (err, response) => {
+      if (err || response == null) return callback(err);
+
+      // TODO: We only need this for legacy queries that do not support `limit`, maybe
+      //       the value should only be saved in those cases.
+      if (response.cursor) {
+        this[kNumReturned] = response.cursor.firstBatch.length;
+      } else {
+        this[kNumReturned] = response.documents ? response.documents.length : 0;
+      }
+
+      // TODO: NODE-2882
+      callback(undefined, { server: findOperation.server, session, response });
+    });
+  }
+
+  /** @internal */
+  override _getMore(batchSize: number, callback: Callback<Document>): void {
+    // NOTE: this is to support client provided limits in pre-command servers
+    const numReturned = this[kNumReturned];
+    if (numReturned) {
+      const limit = this[kBuiltOptions].limit;
+      batchSize =
+        limit && limit > 0 && numReturned + batchSize > limit ? limit - numReturned : batchSize;
+
+      if (batchSize <= 0) {
+        return this.close(callback);
+      }
+    }
+
+    super._getMore(batchSize, (err, response) => {
+      if (err) return callback(err);
+
+      // TODO: wrap this in some logic to prevent it from happening if we don't need this support
+      if (response) {
+        this[kNumReturned] = this[kNumReturned] + response.cursor.nextBatch.length;
+      }
+
+      callback(undefined, response);
+    });
+  }
+
+  /**
+   * Get the count of documents for this cursor
+   * @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead
+   */
+  count(): Promise<number>;
+  /** @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  count(callback: Callback<number>): void;
+  /** @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead. */
+  count(options: CountOptions): Promise<number>;
+  /** @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead. Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  count(options: CountOptions, callback: Callback<number>): void;
+  count(
+    options?: CountOptions | Callback<number>,
+    callback?: Callback<number>
+  ): Promise<number> | void {
+    emitWarningOnce(
+      'cursor.count is deprecated and will be removed in the next major version, please use `collection.estimatedDocumentCount` or `collection.countDocuments` instead '
+    );
+    if (typeof options === 'boolean') {
+      throw new MongoInvalidArgumentError('Invalid first parameter to count');
+    }
+
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return executeOperation(
+      this.client,
+      new CountOperation(this.namespace, this[kFilter], {
+        ...this[kBuiltOptions], // NOTE: order matters here, we may need to refine this
+        ...this.cursorOptions,
+        ...options
+      }),
+      callback
+    );
+  }
+
+  /** Execute the explain for the cursor */
+  explain(): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  explain(callback: Callback): void;
+  explain(verbosity?: ExplainVerbosityLike): Promise<Document>;
+  explain(
+    verbosity?: ExplainVerbosityLike | Callback,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof verbosity === 'function') (callback = verbosity), (verbosity = true);
+    if (verbosity == null) verbosity = true;
+
+    return executeOperation(
+      this.client,
+      new FindOperation(undefined, this.namespace, this[kFilter], {
+        ...this[kBuiltOptions], // NOTE: order matters here, we may need to refine this
+        ...this.cursorOptions,
+        explain: verbosity
+      }),
+      callback
+    );
+  }
+
+  /** Set the cursor query */
+  filter(filter: Document): this {
+    assertUninitialized(this);
+    this[kFilter] = filter;
+    return this;
+  }
+
+  /**
+   * Set the cursor hint
+   *
+   * @param hint - If specified, then the query system will only consider plans using the hinted index.
+   */
+  hint(hint: Hint): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].hint = hint;
+    return this;
+  }
+
+  /**
+   * Set the cursor min
+   *
+   * @param min - Specify a $min value to specify the inclusive lower bound for a specific index in order to constrain the results of find(). The $min specifies the lower bound for all keys of a specific index in order.
+   */
+  min(min: Document): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].min = min;
+    return this;
+  }
+
+  /**
+   * Set the cursor max
+   *
+   * @param max - Specify a $max value to specify the exclusive upper bound for a specific index in order to constrain the results of find(). The $max specifies the upper bound for all keys of a specific index in order.
+   */
+  max(max: Document): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].max = max;
+    return this;
+  }
+
+  /**
+   * Set the cursor returnKey.
+   * If set to true, modifies the cursor to only return the index field or fields for the results of the query, rather than documents.
+   * If set to true and the query does not use an index to perform the read operation, the returned documents will not contain any fields.
+   *
+   * @param value - the returnKey value.
+   */
+  returnKey(value: boolean): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].returnKey = value;
+    return this;
+  }
+
+  /**
+   * Modifies the output of a query by adding a field $recordId to matching documents. $recordId is the internal key which uniquely identifies a document in a collection.
+   *
+   * @param value - The $showDiskLoc option has now been deprecated and replaced with the showRecordId field. $showDiskLoc will still be accepted for OP_QUERY stye find.
+   */
+  showRecordId(value: boolean): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].showRecordId = value;
+    return this;
+  }
+
+  /**
+   * Add a query modifier to the cursor query
+   *
+   * @param name - The query modifier (must start with $, such as $orderby etc)
+   * @param value - The modifier value.
+   */
+  addQueryModifier(name: string, value: string | boolean | number | Document): this {
+    assertUninitialized(this);
+    if (name[0] !== '$') {
+      throw new MongoInvalidArgumentError(`${name} is not a valid query modifier`);
+    }
+
+    // Strip of the $
+    const field = name.substr(1);
+
+    // NOTE: consider some TS magic for this
+    switch (field) {
+      case 'comment':
+        this[kBuiltOptions].comment = value as string | Document;
+        break;
+
+      case 'explain':
+        this[kBuiltOptions].explain = value as boolean;
+        break;
+
+      case 'hint':
+        this[kBuiltOptions].hint = value as string | Document;
+        break;
+
+      case 'max':
+        this[kBuiltOptions].max = value as Document;
+        break;
+
+      case 'maxTimeMS':
+        this[kBuiltOptions].maxTimeMS = value as number;
+        break;
+
+      case 'min':
+        this[kBuiltOptions].min = value as Document;
+        break;
+
+      case 'orderby':
+        this[kBuiltOptions].sort = formatSort(value as string | Document);
+        break;
+
+      case 'query':
+        this[kFilter] = value as Document;
+        break;
+
+      case 'returnKey':
+        this[kBuiltOptions].returnKey = value as boolean;
+        break;
+
+      case 'showDiskLoc':
+        this[kBuiltOptions].showRecordId = value as boolean;
+        break;
+
+      default:
+        throw new MongoInvalidArgumentError(`Invalid query modifier: ${name}`);
+    }
+
+    return this;
+  }
+
+  /**
+   * Add a comment to the cursor query allowing for tracking the comment in the log.
+   *
+   * @param value - The comment attached to this query.
+   */
+  comment(value: string): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].comment = value;
+    return this;
+  }
+
+  /**
+   * Set a maxAwaitTimeMS on a tailing cursor query to allow to customize the timeout value for the option awaitData (Only supported on MongoDB 3.2 or higher, ignored otherwise)
+   *
+   * @param value - Number of milliseconds to wait before aborting the tailed query.
+   */
+  maxAwaitTimeMS(value: number): this {
+    assertUninitialized(this);
+    if (typeof value !== 'number') {
+      throw new MongoInvalidArgumentError('Argument for maxAwaitTimeMS must be a number');
+    }
+
+    this[kBuiltOptions].maxAwaitTimeMS = value;
+    return this;
+  }
+
+  /**
+   * Set a maxTimeMS on the cursor query, allowing for hard timeout limits on queries (Only supported on MongoDB 2.6 or higher)
+   *
+   * @param value - Number of milliseconds to wait before aborting the query.
+   */
+  override maxTimeMS(value: number): this {
+    assertUninitialized(this);
+    if (typeof value !== 'number') {
+      throw new MongoInvalidArgumentError('Argument for maxTimeMS must be a number');
+    }
+
+    this[kBuiltOptions].maxTimeMS = value;
+    return this;
+  }
+
+  /**
+   * Add a project stage to the aggregation pipeline
+   *
+   * @remarks
+   * In order to strictly type this function you must provide an interface
+   * that represents the effect of your projection on the result documents.
+   *
+   * By default chaining a projection to your cursor changes the returned type to the generic
+   * {@link Document} type.
+   * You should specify a parameterized type to have assertions on your final results.
+   *
+   * @example
+   * ```typescript
+   * // Best way
+   * const docs: FindCursor<{ a: number }> = cursor.project<{ a: number }>({ _id: 0, a: true });
+   * // Flexible way
+   * const docs: FindCursor<Document> = cursor.project({ _id: 0, a: true });
+   * ```
+   *
+   * @remarks
+   *
+   * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+   * it **does not** return a new instance of a cursor. This means when calling project,
+   * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+   * Take note of the following example:
+   *
+   * @example
+   * ```typescript
+   * const cursor: FindCursor<{ a: number; b: string }> = coll.find();
+   * const projectCursor = cursor.project<{ a: number }>({ _id: 0, a: true });
+   * const aPropOnlyArray: {a: number}[] = await projectCursor.toArray();
+   *
+   * // or always use chaining and save the final cursor
+   *
+   * const cursor = coll.find().project<{ a: string }>({
+   *   _id: 0,
+   *   a: { $convert: { input: '$a', to: 'string' }
+   * }});
+   * ```
+   */
+  project<T extends Document = Document>(value: Document): FindCursor<T> {
+    assertUninitialized(this);
+    this[kBuiltOptions].projection = value;
+    return this as unknown as FindCursor<T>;
+  }
+
+  /**
+   * Sets the sort order of the cursor query.
+   *
+   * @param sort - The key or keys set for the sort.
+   * @param direction - The direction of the sorting (1 or -1).
+   */
+  sort(sort: Sort | string, direction?: SortDirection): this {
+    assertUninitialized(this);
+    if (this[kBuiltOptions].tailable) {
+      throw new MongoTailableCursorError('Tailable cursor does not support sorting');
+    }
+
+    this[kBuiltOptions].sort = formatSort(sort, direction);
+    return this;
+  }
+
+  /**
+   * Allows disk use for blocking sort operations exceeding 100MB memory. (MongoDB 3.2 or higher)
+   *
+   * @remarks
+   * {@link https://docs.mongodb.com/manual/reference/command/find/#find-cmd-allowdiskuse | find command allowDiskUse documentation}
+   */
+  allowDiskUse(allow = true): this {
+    assertUninitialized(this);
+
+    if (!this[kBuiltOptions].sort) {
+      throw new MongoInvalidArgumentError('Option "allowDiskUse" requires a sort specification');
+    }
+
+    // As of 6.0 the default is true. This allows users to get back to the old behaviour.
+    if (!allow) {
+      this[kBuiltOptions].allowDiskUse = false;
+      return this;
+    }
+
+    this[kBuiltOptions].allowDiskUse = true;
+    return this;
+  }
+
+  /**
+   * Set the collation options for the cursor.
+   *
+   * @param value - The cursor collation options (MongoDB 3.4 or higher) settings for update operation (see 3.4 documentation for available fields).
+   */
+  collation(value: CollationOptions): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].collation = value;
+    return this;
+  }
+
+  /**
+   * Set the limit for the cursor.
+   *
+   * @param value - The limit for the cursor query.
+   */
+  limit(value: number): this {
+    assertUninitialized(this);
+    if (this[kBuiltOptions].tailable) {
+      throw new MongoTailableCursorError('Tailable cursor does not support limit');
+    }
+
+    if (typeof value !== 'number') {
+      throw new MongoInvalidArgumentError('Operation "limit" requires an integer');
+    }
+
+    this[kBuiltOptions].limit = value;
+    return this;
+  }
+
+  /**
+   * Set the skip for the cursor.
+   *
+   * @param value - The skip for the cursor query.
+   */
+  skip(value: number): this {
+    assertUninitialized(this);
+    if (this[kBuiltOptions].tailable) {
+      throw new MongoTailableCursorError('Tailable cursor does not support skip');
+    }
+
+    if (typeof value !== 'number') {
+      throw new MongoInvalidArgumentError('Operation "skip" requires an integer');
+    }
+
+    this[kBuiltOptions].skip = value;
+    return this;
+  }
+}
diff --git a/node_modules/mongodb/src/cursor/list_collections_cursor.ts b/node_modules/mongodb/src/cursor/list_collections_cursor.ts
new file mode 100644
index 000000000..460126be8
--- /dev/null
+++ b/node_modules/mongodb/src/cursor/list_collections_cursor.ts
@@ -0,0 +1,52 @@
+import type { Document } from '../bson';
+import type { Db } from '../db';
+import { executeOperation, ExecutionResult } from '../operations/execute_operation';
+import {
+  CollectionInfo,
+  ListCollectionsOperation,
+  ListCollectionsOptions
+} from '../operations/list_collections';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractCursor } from './abstract_cursor';
+
+/** @public */
+export class ListCollectionsCursor<
+  T extends Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo =
+    | Pick<CollectionInfo, 'name' | 'type'>
+    | CollectionInfo
+> extends AbstractCursor<T> {
+  parent: Db;
+  filter: Document;
+  options?: ListCollectionsOptions;
+
+  constructor(db: Db, filter: Document, options?: ListCollectionsOptions) {
+    super(db.s.client, db.s.namespace, options);
+    this.parent = db;
+    this.filter = filter;
+    this.options = options;
+  }
+
+  clone(): ListCollectionsCursor<T> {
+    return new ListCollectionsCursor(this.parent, this.filter, {
+      ...this.options,
+      ...this.cursorOptions
+    });
+  }
+
+  /** @internal */
+  _initialize(session: ClientSession | undefined, callback: Callback<ExecutionResult>): void {
+    const operation = new ListCollectionsOperation(this.parent, this.filter, {
+      ...this.cursorOptions,
+      ...this.options,
+      session
+    });
+
+    executeOperation(this.parent.s.client, operation, (err, response) => {
+      if (err || response == null) return callback(err);
+
+      // TODO: NODE-2882
+      callback(undefined, { server: operation.server, session, response });
+    });
+  }
+}
diff --git a/node_modules/mongodb/src/cursor/list_indexes_cursor.ts b/node_modules/mongodb/src/cursor/list_indexes_cursor.ts
new file mode 100644
index 000000000..25336d84d
--- /dev/null
+++ b/node_modules/mongodb/src/cursor/list_indexes_cursor.ts
@@ -0,0 +1,41 @@
+import type { Collection } from '../collection';
+import { executeOperation, ExecutionResult } from '../operations/execute_operation';
+import { ListIndexesOperation, ListIndexesOptions } from '../operations/indexes';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractCursor } from './abstract_cursor';
+
+/** @public */
+export class ListIndexesCursor extends AbstractCursor {
+  parent: Collection;
+  options?: ListIndexesOptions;
+
+  constructor(collection: Collection, options?: ListIndexesOptions) {
+    super(collection.s.db.s.client, collection.s.namespace, options);
+    this.parent = collection;
+    this.options = options;
+  }
+
+  clone(): ListIndexesCursor {
+    return new ListIndexesCursor(this.parent, {
+      ...this.options,
+      ...this.cursorOptions
+    });
+  }
+
+  /** @internal */
+  _initialize(session: ClientSession | undefined, callback: Callback<ExecutionResult>): void {
+    const operation = new ListIndexesOperation(this.parent, {
+      ...this.cursorOptions,
+      ...this.options,
+      session
+    });
+
+    executeOperation(this.parent.s.db.s.client, operation, (err, response) => {
+      if (err || response == null) return callback(err);
+
+      // TODO: NODE-2882
+      callback(undefined, { server: operation.server, session, response });
+    });
+  }
+}
diff --git a/node_modules/mongodb/src/db.ts b/node_modules/mongodb/src/db.ts
new file mode 100644
index 000000000..c1c3e44c4
--- /dev/null
+++ b/node_modules/mongodb/src/db.ts
@@ -0,0 +1,801 @@
+import { Admin } from './admin';
+import { BSONSerializeOptions, Document, resolveBSONOptions } from './bson';
+import { ChangeStream, ChangeStreamDocument, ChangeStreamOptions } from './change_stream';
+import { Collection, CollectionOptions } from './collection';
+import * as CONSTANTS from './constants';
+import { AggregationCursor } from './cursor/aggregation_cursor';
+import { ListCollectionsCursor } from './cursor/list_collections_cursor';
+import { MongoAPIError, MongoInvalidArgumentError } from './error';
+import { Logger, LoggerOptions } from './logger';
+import type { MongoClient, PkFactory } from './mongo_client';
+import type { TODO_NODE_3286 } from './mongo_types';
+import { AddUserOperation, AddUserOptions } from './operations/add_user';
+import type { AggregateOptions } from './operations/aggregate';
+import { CollectionsOperation } from './operations/collections';
+import type { IndexInformationOptions } from './operations/common_functions';
+import { CreateCollectionOperation, CreateCollectionOptions } from './operations/create_collection';
+import {
+  DropCollectionOperation,
+  DropCollectionOptions,
+  DropDatabaseOperation,
+  DropDatabaseOptions
+} from './operations/drop';
+import { executeOperation } from './operations/execute_operation';
+import {
+  CreateIndexesOptions,
+  CreateIndexOperation,
+  IndexInformationOperation,
+  IndexSpecification
+} from './operations/indexes';
+import type { CollectionInfo, ListCollectionsOptions } from './operations/list_collections';
+import { ProfilingLevelOperation, ProfilingLevelOptions } from './operations/profiling_level';
+import { RemoveUserOperation, RemoveUserOptions } from './operations/remove_user';
+import { RenameOperation, RenameOptions } from './operations/rename';
+import { RunCommandOperation, RunCommandOptions } from './operations/run_command';
+import {
+  ProfilingLevel,
+  SetProfilingLevelOperation,
+  SetProfilingLevelOptions
+} from './operations/set_profiling_level';
+import { DbStatsOperation, DbStatsOptions } from './operations/stats';
+import { ReadConcern } from './read_concern';
+import { ReadPreference, ReadPreferenceLike } from './read_preference';
+import {
+  Callback,
+  DEFAULT_PK_FACTORY,
+  filterOptions,
+  getTopology,
+  MongoDBNamespace,
+  resolveOptions
+} from './utils';
+import { WriteConcern, WriteConcernOptions } from './write_concern';
+
+// Allowed parameters
+const DB_OPTIONS_ALLOW_LIST = [
+  'writeConcern',
+  'readPreference',
+  'readPreferenceTags',
+  'native_parser',
+  'forceServerObjectId',
+  'pkFactory',
+  'serializeFunctions',
+  'raw',
+  'authSource',
+  'ignoreUndefined',
+  'readConcern',
+  'retryMiliSeconds',
+  'numberOfRetries',
+  'loggerLevel',
+  'logger',
+  'promoteBuffers',
+  'promoteLongs',
+  'bsonRegExp',
+  'enableUtf8Validation',
+  'promoteValues',
+  'compression',
+  'retryWrites'
+];
+
+/** @internal */
+export interface DbPrivate {
+  client: MongoClient;
+  options?: DbOptions;
+  logger: Logger;
+  readPreference?: ReadPreference;
+  pkFactory: PkFactory;
+  readConcern?: ReadConcern;
+  bsonOptions: BSONSerializeOptions;
+  writeConcern?: WriteConcern;
+  namespace: MongoDBNamespace;
+}
+
+/** @public */
+export interface DbOptions extends BSONSerializeOptions, WriteConcernOptions, LoggerOptions {
+  /** If the database authentication is dependent on another databaseName. */
+  authSource?: string;
+  /** Force server to assign _id values instead of driver. */
+  forceServerObjectId?: boolean;
+  /** The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). */
+  readPreference?: ReadPreferenceLike;
+  /** A primary key factory object for generation of custom _id keys. */
+  pkFactory?: PkFactory;
+  /** Specify a read concern for the collection. (only MongoDB 3.2 or higher supported) */
+  readConcern?: ReadConcern;
+  /** Should retry failed writes */
+  retryWrites?: boolean;
+}
+
+/**
+ * The **Db** class is a class that represents a MongoDB Database.
+ * @public
+ *
+ * @example
+ * ```ts
+ * import { MongoClient } from 'mongodb';
+ *
+ * interface Pet {
+ *   name: string;
+ *   kind: 'dog' | 'cat' | 'fish';
+ * }
+ *
+ * const client = new MongoClient('mongodb://localhost:27017');
+ * const db = client.db();
+ *
+ * // Create a collection that validates our union
+ * await db.createCollection<Pet>('pets', {
+ *   validator: { $expr: { $in: ['$kind', ['dog', 'cat', 'fish']] } }
+ * })
+ * ```
+ */
+export class Db {
+  /** @internal */
+  s: DbPrivate;
+
+  public static SYSTEM_NAMESPACE_COLLECTION = CONSTANTS.SYSTEM_NAMESPACE_COLLECTION;
+  public static SYSTEM_INDEX_COLLECTION = CONSTANTS.SYSTEM_INDEX_COLLECTION;
+  public static SYSTEM_PROFILE_COLLECTION = CONSTANTS.SYSTEM_PROFILE_COLLECTION;
+  public static SYSTEM_USER_COLLECTION = CONSTANTS.SYSTEM_USER_COLLECTION;
+  public static SYSTEM_COMMAND_COLLECTION = CONSTANTS.SYSTEM_COMMAND_COLLECTION;
+  public static SYSTEM_JS_COLLECTION = CONSTANTS.SYSTEM_JS_COLLECTION;
+
+  /**
+   * Creates a new Db instance
+   *
+   * @param client - The MongoClient for the database.
+   * @param databaseName - The name of the database this instance represents.
+   * @param options - Optional settings for Db construction
+   */
+  constructor(client: MongoClient, databaseName: string, options?: DbOptions) {
+    options = options ?? {};
+
+    // Filter the options
+    options = filterOptions(options, DB_OPTIONS_ALLOW_LIST);
+
+    // Ensure we have a valid db name
+    validateDatabaseName(databaseName);
+
+    // Internal state of the db object
+    this.s = {
+      // Client
+      client,
+      // Options
+      options,
+      // Logger instance
+      logger: new Logger('Db', options),
+      // Unpack read preference
+      readPreference: ReadPreference.fromOptions(options),
+      // Merge bson options
+      bsonOptions: resolveBSONOptions(options, client),
+      // Set up the primary key factory or fallback to ObjectId
+      pkFactory: options?.pkFactory ?? DEFAULT_PK_FACTORY,
+      // ReadConcern
+      readConcern: ReadConcern.fromOptions(options),
+      writeConcern: WriteConcern.fromOptions(options),
+      // Namespace
+      namespace: new MongoDBNamespace(databaseName)
+    };
+  }
+
+  get databaseName(): string {
+    return this.s.namespace.db;
+  }
+
+  // Options
+  get options(): DbOptions | undefined {
+    return this.s.options;
+  }
+
+  /**
+   * slaveOk specified
+   * @deprecated Use secondaryOk instead
+   */
+  get slaveOk(): boolean {
+    return this.secondaryOk;
+  }
+
+  /**
+   * Check if a secondary can be used (because the read preference is *not* set to primary)
+   */
+  get secondaryOk(): boolean {
+    return this.s.readPreference?.preference !== 'primary' || false;
+  }
+
+  get readConcern(): ReadConcern | undefined {
+    return this.s.readConcern;
+  }
+
+  /**
+   * The current readPreference of the Db. If not explicitly defined for
+   * this Db, will be inherited from the parent MongoClient
+   */
+  get readPreference(): ReadPreference {
+    if (this.s.readPreference == null) {
+      return this.s.client.readPreference;
+    }
+
+    return this.s.readPreference;
+  }
+
+  get bsonOptions(): BSONSerializeOptions {
+    return this.s.bsonOptions;
+  }
+
+  // get the write Concern
+  get writeConcern(): WriteConcern | undefined {
+    return this.s.writeConcern;
+  }
+
+  get namespace(): string {
+    return this.s.namespace.toString();
+  }
+
+  /**
+   * Create a new collection on a server with the specified options. Use this to create capped collections.
+   * More information about command options available at https://docs.mongodb.com/manual/reference/command/create/
+   *
+   * @param name - The name of the collection to create
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  createCollection<TSchema extends Document = Document>(
+    name: string,
+    options?: CreateCollectionOptions
+  ): Promise<Collection<TSchema>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  createCollection<TSchema extends Document = Document>(
+    name: string,
+    callback: Callback<Collection<TSchema>>
+  ): void;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  createCollection<TSchema extends Document = Document>(
+    name: string,
+    options: CreateCollectionOptions | undefined,
+    callback: Callback<Collection<TSchema>>
+  ): void;
+  createCollection<TSchema extends Document = Document>(
+    name: string,
+    options?: CreateCollectionOptions | Callback<Collection>,
+    callback?: Callback<Collection>
+  ): Promise<Collection<TSchema>> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new CreateCollectionOperation(this, name, resolveOptions(this, options)) as TODO_NODE_3286,
+      callback
+    ) as TODO_NODE_3286;
+  }
+
+  /**
+   * Execute a command
+   *
+   * @remarks
+   * This command does not inherit options from the MongoClient.
+   *
+   * @param command - The command to run
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  command(command: Document): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  command(command: Document, callback: Callback<Document>): void;
+  command(command: Document, options: RunCommandOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  command(command: Document, options: RunCommandOptions, callback: Callback<Document>): void;
+  command(
+    command: Document,
+    options?: RunCommandOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    // Intentionally, we do not inherit options from parent for this operation.
+    return executeOperation(
+      this.s.client,
+      new RunCommandOperation(this, command, options ?? {}),
+      callback
+    );
+  }
+
+  /**
+   * Execute an aggregation framework pipeline against the database, needs MongoDB \>= 3.6
+   *
+   * @param pipeline - An array of aggregation stages to be executed
+   * @param options - Optional settings for the command
+   */
+  aggregate<T extends Document = Document>(
+    pipeline: Document[] = [],
+    options?: AggregateOptions
+  ): AggregationCursor<T> {
+    if (arguments.length > 2) {
+      throw new MongoInvalidArgumentError('Method "db.aggregate()" accepts at most two arguments');
+    }
+    if (typeof pipeline === 'function') {
+      throw new MongoInvalidArgumentError('Argument "pipeline" must not be function');
+    }
+    if (typeof options === 'function') {
+      throw new MongoInvalidArgumentError('Argument "options" must not be function');
+    }
+
+    return new AggregationCursor(
+      this.s.client,
+      this.s.namespace,
+      pipeline,
+      resolveOptions(this, options)
+    );
+  }
+
+  /** Return the Admin db instance */
+  admin(): Admin {
+    return new Admin(this);
+  }
+
+  /**
+   * Returns a reference to a MongoDB Collection. If it does not exist it will be created implicitly.
+   *
+   * @param name - the collection name we wish to access.
+   * @returns return the new Collection instance
+   */
+  collection<TSchema extends Document = Document>(
+    name: string,
+    options: CollectionOptions = {}
+  ): Collection<TSchema> {
+    if (typeof options === 'function') {
+      throw new MongoInvalidArgumentError('The callback form of this helper has been removed.');
+    }
+    const finalOptions = resolveOptions(this, options);
+    return new Collection<TSchema>(this, name, finalOptions);
+  }
+
+  /**
+   * Get all the db statistics.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  stats(): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  stats(callback: Callback<Document>): void;
+  stats(options: DbStatsOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  stats(options: DbStatsOptions, callback: Callback<Document>): void;
+  stats(
+    options?: DbStatsOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    return executeOperation(
+      this.s.client,
+      new DbStatsOperation(this, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * List all collections of this database with optional filter
+   *
+   * @param filter - Query to filter collections by
+   * @param options - Optional settings for the command
+   */
+  listCollections(
+    filter: Document,
+    options: Exclude<ListCollectionsOptions, 'nameOnly'> & { nameOnly: true }
+  ): ListCollectionsCursor<Pick<CollectionInfo, 'name' | 'type'>>;
+  listCollections(
+    filter: Document,
+    options: Exclude<ListCollectionsOptions, 'nameOnly'> & { nameOnly: false }
+  ): ListCollectionsCursor<CollectionInfo>;
+  listCollections<
+    T extends Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo =
+      | Pick<CollectionInfo, 'name' | 'type'>
+      | CollectionInfo
+  >(filter?: Document, options?: ListCollectionsOptions): ListCollectionsCursor<T>;
+  listCollections<
+    T extends Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo =
+      | Pick<CollectionInfo, 'name' | 'type'>
+      | CollectionInfo
+  >(filter: Document = {}, options: ListCollectionsOptions = {}): ListCollectionsCursor<T> {
+    return new ListCollectionsCursor<T>(this, filter, resolveOptions(this, options));
+  }
+
+  /**
+   * Rename a collection.
+   *
+   * @remarks
+   * This operation does not inherit options from the MongoClient.
+   *
+   * @param fromCollection - Name of current collection to rename
+   * @param toCollection - New name of of the collection
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  renameCollection<TSchema extends Document = Document>(
+    fromCollection: string,
+    toCollection: string
+  ): Promise<Collection<TSchema>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  renameCollection<TSchema extends Document = Document>(
+    fromCollection: string,
+    toCollection: string,
+    callback: Callback<Collection<TSchema>>
+  ): void;
+  renameCollection<TSchema extends Document = Document>(
+    fromCollection: string,
+    toCollection: string,
+    options: RenameOptions
+  ): Promise<Collection<TSchema>>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  renameCollection<TSchema extends Document = Document>(
+    fromCollection: string,
+    toCollection: string,
+    options: RenameOptions,
+    callback: Callback<Collection<TSchema>>
+  ): void;
+  renameCollection<TSchema extends Document = Document>(
+    fromCollection: string,
+    toCollection: string,
+    options?: RenameOptions | Callback<Collection<TSchema>>,
+    callback?: Callback<Collection<TSchema>>
+  ): Promise<Collection<TSchema>> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    // Intentionally, we do not inherit options from parent for this operation.
+    options = { ...options, readPreference: ReadPreference.PRIMARY };
+
+    // Add return new collection
+    options.new_collection = true;
+
+    return executeOperation(
+      this.s.client,
+      new RenameOperation(
+        this.collection<TSchema>(fromCollection) as TODO_NODE_3286,
+        toCollection,
+        options
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Drop a collection from the database, removing it permanently. New accesses will create a new collection.
+   *
+   * @param name - Name of collection to drop
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  dropCollection(name: string): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  dropCollection(name: string, callback: Callback<boolean>): void;
+  dropCollection(name: string, options: DropCollectionOptions): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  dropCollection(name: string, options: DropCollectionOptions, callback: Callback<boolean>): void;
+  dropCollection(
+    name: string,
+    options?: DropCollectionOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new DropCollectionOperation(this, name, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Drop a database, removing it permanently from the server.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  dropDatabase(): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  dropDatabase(callback: Callback<boolean>): void;
+  dropDatabase(options: DropDatabaseOptions): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  dropDatabase(options: DropDatabaseOptions, callback: Callback<boolean>): void;
+  dropDatabase(
+    options?: DropDatabaseOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new DropDatabaseOperation(this, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Fetch all collections for the current db.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  collections(): Promise<Collection[]>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  collections(callback: Callback<Collection[]>): void;
+  collections(options: ListCollectionsOptions): Promise<Collection[]>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  collections(options: ListCollectionsOptions, callback: Callback<Collection[]>): void;
+  collections(
+    options?: ListCollectionsOptions | Callback<Collection[]>,
+    callback?: Callback<Collection[]>
+  ): Promise<Collection[]> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new CollectionsOperation(this, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Creates an index on the db and collection.
+   *
+   * @param name - Name of the collection to create the index on.
+   * @param indexSpec - Specify the field to index, or an index specification
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  createIndex(name: string, indexSpec: IndexSpecification): Promise<string>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  createIndex(name: string, indexSpec: IndexSpecification, callback: Callback<string>): void;
+  createIndex(
+    name: string,
+    indexSpec: IndexSpecification,
+    options: CreateIndexesOptions
+  ): Promise<string>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  createIndex(
+    name: string,
+    indexSpec: IndexSpecification,
+    options: CreateIndexesOptions,
+    callback: Callback<string>
+  ): void;
+  createIndex(
+    name: string,
+    indexSpec: IndexSpecification,
+    options?: CreateIndexesOptions | Callback<string>,
+    callback?: Callback<string>
+  ): Promise<string> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new CreateIndexOperation(this, name, indexSpec, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Add a user to the database
+   *
+   * @param username - The username for the new user
+   * @param password - An optional password for the new user
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  addUser(username: string): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  addUser(username: string, callback: Callback<Document>): void;
+  addUser(username: string, password: string): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  addUser(username: string, password: string, callback: Callback<Document>): void;
+  addUser(username: string, options: AddUserOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  addUser(username: string, options: AddUserOptions, callback: Callback<Document>): void;
+  addUser(username: string, password: string, options: AddUserOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  addUser(
+    username: string,
+    password: string,
+    options: AddUserOptions,
+    callback: Callback<Document>
+  ): void;
+  addUser(
+    username: string,
+    password?: string | AddUserOptions | Callback<Document>,
+    options?: AddUserOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof password === 'function') {
+      (callback = password), (password = undefined), (options = {});
+    } else if (typeof password !== 'string') {
+      if (typeof options === 'function') {
+        (callback = options), (options = password), (password = undefined);
+      } else {
+        (options = password), (callback = undefined), (password = undefined);
+      }
+    } else {
+      if (typeof options === 'function') (callback = options), (options = {});
+    }
+
+    return executeOperation(
+      this.s.client,
+      new AddUserOperation(this, username, password, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Remove a user from a database
+   *
+   * @param username - The username to remove
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  removeUser(username: string): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  removeUser(username: string, callback: Callback<boolean>): void;
+  removeUser(username: string, options: RemoveUserOptions): Promise<boolean>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  removeUser(username: string, options: RemoveUserOptions, callback: Callback<boolean>): void;
+  removeUser(
+    username: string,
+    options?: RemoveUserOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new RemoveUserOperation(this, username, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Set the current profiling level of MongoDB
+   *
+   * @param level - The new profiling level (off, slow_only, all).
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  setProfilingLevel(level: ProfilingLevel): Promise<ProfilingLevel>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  setProfilingLevel(level: ProfilingLevel, callback: Callback<ProfilingLevel>): void;
+  setProfilingLevel(
+    level: ProfilingLevel,
+    options: SetProfilingLevelOptions
+  ): Promise<ProfilingLevel>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  setProfilingLevel(
+    level: ProfilingLevel,
+    options: SetProfilingLevelOptions,
+    callback: Callback<ProfilingLevel>
+  ): void;
+  setProfilingLevel(
+    level: ProfilingLevel,
+    options?: SetProfilingLevelOptions | Callback<ProfilingLevel>,
+    callback?: Callback<ProfilingLevel>
+  ): Promise<ProfilingLevel> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new SetProfilingLevelOperation(this, level, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Retrieve the current profiling Level for MongoDB
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  profilingLevel(): Promise<string>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  profilingLevel(callback: Callback<string>): void;
+  profilingLevel(options: ProfilingLevelOptions): Promise<string>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  profilingLevel(options: ProfilingLevelOptions, callback: Callback<string>): void;
+  profilingLevel(
+    options?: ProfilingLevelOptions | Callback<string>,
+    callback?: Callback<string>
+  ): Promise<string> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new ProfilingLevelOperation(this, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Retrieves this collections index info.
+   *
+   * @param name - The name of the collection.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  indexInformation(name: string): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  indexInformation(name: string, callback: Callback<Document>): void;
+  indexInformation(name: string, options: IndexInformationOptions): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  indexInformation(
+    name: string,
+    options: IndexInformationOptions,
+    callback: Callback<Document>
+  ): void;
+  indexInformation(
+    name: string,
+    options?: IndexInformationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new IndexInformationOperation(this, name, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Unref all sockets
+   * @deprecated This function is deprecated and will be removed in the next major version.
+   */
+  unref(): void {
+    getTopology(this).unref();
+  }
+
+  /**
+   * Create a new Change Stream, watching for new changes (insertions, updates,
+   * replacements, deletions, and invalidations) in this database. Will ignore all
+   * changes to system collections.
+   *
+   * @remarks
+   * watch() accepts two generic arguments for distinct usecases:
+   * - The first is to provide the schema that may be defined for all the collections within this database
+   * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+   *
+   * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+   * @param options - Optional settings for the command
+   * @typeParam TSchema - Type of the data being detected by the change stream
+   * @typeParam TChange - Type of the whole change stream document emitted
+   */
+  watch<
+    TSchema extends Document = Document,
+    TChange extends Document = ChangeStreamDocument<TSchema>
+  >(pipeline: Document[] = [], options: ChangeStreamOptions = {}): ChangeStream<TSchema, TChange> {
+    // Allow optionally not specifying a pipeline
+    if (!Array.isArray(pipeline)) {
+      options = pipeline;
+      pipeline = [];
+    }
+
+    return new ChangeStream<TSchema, TChange>(this, pipeline, resolveOptions(this, options));
+  }
+
+  /** Return the db logger */
+  getLogger(): Logger {
+    return this.s.logger;
+  }
+
+  get logger(): Logger {
+    return this.s.logger;
+  }
+}
+
+// TODO(NODE-3484): Refactor into MongoDBNamespace
+// Validate the database name
+function validateDatabaseName(databaseName: string) {
+  if (typeof databaseName !== 'string')
+    throw new MongoInvalidArgumentError('Database name must be a string');
+  if (databaseName.length === 0)
+    throw new MongoInvalidArgumentError('Database name cannot be the empty string');
+  if (databaseName === '$external') return;
+
+  const invalidChars = [' ', '.', '$', '/', '\\'];
+  for (let i = 0; i < invalidChars.length; i++) {
+    if (databaseName.indexOf(invalidChars[i]) !== -1)
+      throw new MongoAPIError(`database names cannot contain the character '${invalidChars[i]}'`);
+  }
+}
diff --git a/node_modules/mongodb/src/deps.ts b/node_modules/mongodb/src/deps.ts
new file mode 100644
index 000000000..9201c30b2
--- /dev/null
+++ b/node_modules/mongodb/src/deps.ts
@@ -0,0 +1,378 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+import type { deserialize, Document, serialize } from './bson';
+import type { ProxyOptions } from './cmap/connection';
+import { MongoMissingDependencyError } from './error';
+import type { MongoClient } from './mongo_client';
+import { Callback, parsePackageVersion } from './utils';
+
+export const PKG_VERSION = Symbol('kPkgVersion');
+
+function makeErrorModule(error: any) {
+  const props = error ? { kModuleError: error } : {};
+  return new Proxy(props, {
+    get: (_: any, key: any) => {
+      if (key === 'kModuleError') {
+        return error;
+      }
+      throw error;
+    },
+    set: () => {
+      throw error;
+    }
+  });
+}
+
+export let Kerberos: typeof import('kerberos') | { kModuleError: MongoMissingDependencyError } =
+  makeErrorModule(
+    new MongoMissingDependencyError(
+      'Optional module `kerberos` not found. Please install it to enable kerberos authentication'
+    )
+  );
+
+try {
+  // Ensure you always wrap an optional require in the try block NODE-3199
+  Kerberos = require('kerberos');
+} catch {} // eslint-disable-line
+
+export interface KerberosClient {
+  step(challenge: string): Promise<string>;
+  step(challenge: string, callback: Callback<string>): void;
+  wrap(challenge: string, options: { user: string }): Promise<string>;
+  wrap(challenge: string, options: { user: string }, callback: Callback<string>): void;
+  unwrap(challenge: string): Promise<string>;
+  unwrap(challenge: string, callback: Callback<string>): void;
+}
+
+type ZStandardLib = {
+  /**
+   * Compress using zstd.
+   * @param buf - Buffer to be compressed.
+   */
+  compress(buf: Buffer, level?: number): Promise<Buffer>;
+
+  /**
+   * Decompress using zstd.
+   */
+  decompress(buf: Buffer): Promise<Buffer>;
+};
+
+export let ZStandard: ZStandardLib | { kModuleError: MongoMissingDependencyError } =
+  makeErrorModule(
+    new MongoMissingDependencyError(
+      'Optional module `@mongodb-js/zstd` not found. Please install it to enable zstd compression'
+    )
+  );
+
+try {
+  ZStandard = require('@mongodb-js/zstd');
+} catch {} // eslint-disable-line
+
+type SnappyLib = {
+  [PKG_VERSION]: { major: number; minor: number; patch: number };
+
+  /**
+   * - Snappy 6.x takes a callback and returns void
+   * - Snappy 7.x returns a promise
+   *
+   * In order to support both we must check the return value of the function
+   * @param buf - Buffer to be compressed
+   * @param callback - ONLY USED IN SNAPPY 6.x
+   */
+  compress(buf: Buffer): Promise<Buffer>;
+  compress(buf: Buffer, callback: (error?: Error, buffer?: Buffer) => void): void;
+
+  /**
+   * - Snappy 6.x takes a callback and returns void
+   * - Snappy 7.x returns a promise
+   *
+   * In order to support both we must check the return value of the function
+   * @param buf - Buffer to be compressed
+   * @param callback - ONLY USED IN SNAPPY 6.x
+   */
+  uncompress(buf: Buffer, opt: { asBuffer: true }): Promise<Buffer>;
+  uncompress(
+    buf: Buffer,
+    opt: { asBuffer: true },
+    callback: (error?: Error, buffer?: Buffer) => void
+  ): void;
+};
+
+export let Snappy: SnappyLib | { kModuleError: MongoMissingDependencyError } = makeErrorModule(
+  new MongoMissingDependencyError(
+    'Optional module `snappy` not found. Please install it to enable snappy compression'
+  )
+);
+
+try {
+  // Ensure you always wrap an optional require in the try block NODE-3199
+  Snappy = require('snappy');
+  try {
+    (Snappy as any)[PKG_VERSION] = parsePackageVersion(require('snappy/package.json'));
+  } catch {} // eslint-disable-line
+} catch {} // eslint-disable-line
+
+export let saslprep: typeof import('saslprep') | { kModuleError: MongoMissingDependencyError } =
+  makeErrorModule(
+    new MongoMissingDependencyError(
+      'Optional module `saslprep` not found.' +
+        ' Please install it to enable Stringprep Profile for User Names and Passwords'
+    )
+  );
+
+try {
+  // Ensure you always wrap an optional require in the try block NODE-3199
+  saslprep = require('saslprep');
+} catch {} // eslint-disable-line
+
+interface AWS4 {
+  /**
+   * Created these inline types to better assert future usage of this API
+   * @param options - options for request
+   * @param credentials - AWS credential details, sessionToken should be omitted entirely if its false-y
+   */
+  sign(
+    this: void,
+    options: {
+      path: '/';
+      body: string;
+      host: string;
+      method: 'POST';
+      headers: {
+        'Content-Type': 'application/x-www-form-urlencoded';
+        'Content-Length': number;
+        'X-MongoDB-Server-Nonce': string;
+        'X-MongoDB-GS2-CB-Flag': 'n';
+      };
+      service: string;
+      region: string;
+    },
+    credentials:
+      | {
+          accessKeyId: string;
+          secretAccessKey: string;
+          sessionToken: string;
+        }
+      | {
+          accessKeyId: string;
+          secretAccessKey: string;
+        }
+      | undefined
+  ): {
+    headers: {
+      Authorization: string;
+      'X-Amz-Date': string;
+    };
+  };
+}
+
+export let aws4: AWS4 | { kModuleError: MongoMissingDependencyError } = makeErrorModule(
+  new MongoMissingDependencyError(
+    'Optional module `aws4` not found. Please install it to enable AWS authentication'
+  )
+);
+
+try {
+  // Ensure you always wrap an optional require in the try block NODE-3199
+  aws4 = require('aws4');
+} catch {} // eslint-disable-line
+
+/** @public */
+export const AutoEncryptionLoggerLevel = Object.freeze({
+  FatalError: 0,
+  Error: 1,
+  Warning: 2,
+  Info: 3,
+  Trace: 4
+} as const);
+
+/** @public */
+export type AutoEncryptionLoggerLevel =
+  typeof AutoEncryptionLoggerLevel[keyof typeof AutoEncryptionLoggerLevel];
+
+/** @public */
+export interface AutoEncryptionTlsOptions {
+  /**
+   * Specifies the location of a local .pem file that contains
+   * either the client's TLS/SSL certificate and key or only the
+   * client's TLS/SSL key when tlsCertificateFile is used to
+   * provide the certificate.
+   */
+  tlsCertificateKeyFile?: string;
+  /**
+   * Specifies the password to de-crypt the tlsCertificateKeyFile.
+   */
+  tlsCertificateKeyFilePassword?: string;
+  /**
+   * Specifies the location of a local .pem file that contains the
+   * root certificate chain from the Certificate Authority.
+   * This file is used to validate the certificate presented by the
+   * KMS provider.
+   */
+  tlsCAFile?: string;
+}
+
+/** @public */
+export interface AutoEncryptionOptions {
+  /** @internal */
+  bson?: { serialize: typeof serialize; deserialize: typeof deserialize };
+  /** @internal client for metadata lookups */
+  metadataClient?: MongoClient;
+  /** A `MongoClient` used to fetch keys from a key vault */
+  keyVaultClient?: MongoClient;
+  /** The namespace where keys are stored in the key vault */
+  keyVaultNamespace?: string;
+  /** Configuration options that are used by specific KMS providers during key generation, encryption, and decryption. */
+  kmsProviders?: {
+    /** Configuration options for using 'aws' as your KMS provider */
+    aws?: {
+      /** The access key used for the AWS KMS provider */
+      accessKeyId: string;
+      /** The secret access key used for the AWS KMS provider */
+      secretAccessKey: string;
+      /**
+       * An optional AWS session token that will be used as the
+       * X-Amz-Security-Token header for AWS requests.
+       */
+      sessionToken?: string;
+    };
+    /** Configuration options for using 'local' as your KMS provider */
+    local?: {
+      /**
+       * The master key used to encrypt/decrypt data keys.
+       * A 96-byte long Buffer or base64 encoded string.
+       */
+      key: Buffer | string;
+    };
+    /** Configuration options for using 'azure' as your KMS provider */
+    azure?: {
+      /** The tenant ID identifies the organization for the account */
+      tenantId: string;
+      /** The client ID to authenticate a registered application */
+      clientId: string;
+      /** The client secret to authenticate a registered application */
+      clientSecret: string;
+      /**
+       * If present, a host with optional port. E.g. "example.com" or "example.com:443".
+       * This is optional, and only needed if customer is using a non-commercial Azure instance
+       * (e.g. a government or China account, which use different URLs).
+       * Defaults to "login.microsoftonline.com"
+       */
+      identityPlatformEndpoint?: string | undefined;
+    };
+    /** Configuration options for using 'gcp' as your KMS provider */
+    gcp?: {
+      /** The service account email to authenticate */
+      email: string;
+      /** A PKCS#8 encrypted key. This can either be a base64 string or a binary representation */
+      privateKey: string | Buffer;
+      /**
+       * If present, a host with optional port. E.g. "example.com" or "example.com:443".
+       * Defaults to "oauth2.googleapis.com"
+       */
+      endpoint?: string | undefined;
+    };
+    /**
+     * Configuration options for using 'kmip' as your KMS provider
+     */
+    kmip?: {
+      /**
+       * The output endpoint string.
+       * The endpoint consists of a hostname and port separated by a colon.
+       * E.g. "example.com:123". A port is always present.
+       */
+      endpoint?: string;
+    };
+  };
+  /**
+   * A map of namespaces to a local JSON schema for encryption
+   *
+   * **NOTE**: Supplying options.schemaMap provides more security than relying on JSON Schemas obtained from the server.
+   * It protects against a malicious server advertising a false JSON Schema, which could trick the client into sending decrypted data that should be encrypted.
+   * Schemas supplied in the schemaMap only apply to configuring automatic encryption for client side encryption.
+   * Other validation rules in the JSON schema will not be enforced by the driver and will result in an error.
+   */
+  schemaMap?: Document;
+  /** @experimental Public Technical Preview: Supply a schema for the encrypted fields in the document  */
+  encryptedFieldsMap?: Document;
+  /** Allows the user to bypass auto encryption, maintaining implicit decryption */
+  bypassAutoEncryption?: boolean;
+  /** @experimental Public Technical Preview: Allows users to bypass query analysis */
+  bypassQueryAnalysis?: boolean;
+  options?: {
+    /** An optional hook to catch logging messages from the underlying encryption engine */
+    logger?: (level: AutoEncryptionLoggerLevel, message: string) => void;
+  };
+  extraOptions?: {
+    /**
+     * A local process the driver communicates with to determine how to encrypt values in a command.
+     * Defaults to "mongodb://%2Fvar%2Fmongocryptd.sock" if domain sockets are available or "mongodb://localhost:27020" otherwise
+     */
+    mongocryptdURI?: string;
+    /** If true, autoEncryption will not attempt to spawn a mongocryptd before connecting  */
+    mongocryptdBypassSpawn?: boolean;
+    /** The path to the mongocryptd executable on the system */
+    mongocryptdSpawnPath?: string;
+    /** Command line arguments to use when auto-spawning a mongocryptd */
+    mongocryptdSpawnArgs?: string[];
+    /**
+     * Full path to a MongoDB Crypt shared library to be used (instead of mongocryptd).
+     *
+     * This needs to be the path to the file itself, not a directory.
+     * It can be an absolute or relative path. If the path is relative and
+     * its first component is `$ORIGIN`, it will be replaced by the directory
+     * containing the mongodb-client-encryption native addon file. Otherwise,
+     * the path will be interpreted relative to the current working directory.
+     *
+     * Currently, loading different MongoDB Crypt shared library files from different
+     * MongoClients in the same process is not supported.
+     *
+     * If this option is provided and no MongoDB Crypt shared library could be loaded
+     * from the specified location, creating the MongoClient will fail.
+     *
+     * If this option is not provided and `cryptSharedLibRequired` is not specified,
+     * the AutoEncrypter will attempt to spawn and/or use mongocryptd according
+     * to the mongocryptd-specific `extraOptions` options.
+     *
+     * Specifying a path prevents mongocryptd from being used as a fallback.
+     *
+     * Requires the MongoDB Crypt shared library, available in MongoDB 6.0 or higher.
+     */
+    cryptSharedLibPath?: string;
+    /**
+     * If specified, never use mongocryptd and instead fail when the MongoDB Crypt
+     * shared library could not be loaded.
+     *
+     * This is always true when `cryptSharedLibPath` is specified.
+     *
+     * Requires the MongoDB Crypt shared library, available in MongoDB 6.0 or higher.
+     */
+    cryptSharedLibRequired?: boolean;
+    /**
+     * Search paths for a MongoDB Crypt shared library to be used (instead of mongocryptd)
+     * Only for driver testing!
+     * @internal
+     */
+    cryptSharedLibSearchPaths?: string[];
+  };
+  proxyOptions?: ProxyOptions;
+  /** The TLS options to use connecting to the KMS provider */
+  tlsOptions?: {
+    aws?: AutoEncryptionTlsOptions;
+    local?: AutoEncryptionTlsOptions;
+    azure?: AutoEncryptionTlsOptions;
+    gcp?: AutoEncryptionTlsOptions;
+    kmip?: AutoEncryptionTlsOptions;
+  };
+}
+
+/** @public */
+export interface AutoEncrypter {
+  // eslint-disable-next-line @typescript-eslint/no-misused-new
+  new (client: MongoClient, options: AutoEncryptionOptions): AutoEncrypter;
+  init(cb: Callback): void;
+  teardown(force: boolean, callback: Callback): void;
+  encrypt(ns: string, cmd: Document, options: any, callback: Callback<Document>): void;
+  decrypt(cmd: Document, options: any, callback: Callback<Document>): void;
+  /** @experimental */
+  readonly cryptSharedLibVersionInfo: { version: bigint; versionStr: string } | null;
+}
diff --git a/node_modules/mongodb/src/encrypter.ts b/node_modules/mongodb/src/encrypter.ts
new file mode 100644
index 000000000..c67643c04
--- /dev/null
+++ b/node_modules/mongodb/src/encrypter.ts
@@ -0,0 +1,135 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+import { deserialize, serialize } from './bson';
+import { MONGO_CLIENT_EVENTS } from './constants';
+import type { AutoEncrypter, AutoEncryptionOptions } from './deps';
+import { MongoInvalidArgumentError, MongoMissingDependencyError } from './error';
+import { MongoClient, MongoClientOptions } from './mongo_client';
+import { Callback, getMongoDBClientEncryption } from './utils';
+
+let AutoEncrypterClass: { new (...args: ConstructorParameters<AutoEncrypter>): AutoEncrypter };
+
+/** @internal */
+const kInternalClient = Symbol('internalClient');
+
+/** @internal */
+export interface EncrypterOptions {
+  autoEncryption: AutoEncryptionOptions;
+  maxPoolSize?: number;
+}
+
+/** @internal */
+export class Encrypter {
+  [kInternalClient]: MongoClient | null;
+  bypassAutoEncryption: boolean;
+  needsConnecting: boolean;
+  autoEncrypter: AutoEncrypter;
+
+  constructor(client: MongoClient, uri: string, options: MongoClientOptions) {
+    if (typeof options.autoEncryption !== 'object') {
+      throw new MongoInvalidArgumentError('Option "autoEncryption" must be specified');
+    }
+    // initialize to null, if we call getInternalClient, we may set this it is important to not overwrite those function calls.
+    this[kInternalClient] = null;
+
+    this.bypassAutoEncryption = !!options.autoEncryption.bypassAutoEncryption;
+    this.needsConnecting = false;
+
+    if (options.maxPoolSize === 0 && options.autoEncryption.keyVaultClient == null) {
+      options.autoEncryption.keyVaultClient = client;
+    } else if (options.autoEncryption.keyVaultClient == null) {
+      options.autoEncryption.keyVaultClient = this.getInternalClient(client, uri, options);
+    }
+
+    if (this.bypassAutoEncryption) {
+      options.autoEncryption.metadataClient = undefined;
+    } else if (options.maxPoolSize === 0) {
+      options.autoEncryption.metadataClient = client;
+    } else {
+      options.autoEncryption.metadataClient = this.getInternalClient(client, uri, options);
+    }
+
+    if (options.proxyHost) {
+      options.autoEncryption.proxyOptions = {
+        proxyHost: options.proxyHost,
+        proxyPort: options.proxyPort,
+        proxyUsername: options.proxyUsername,
+        proxyPassword: options.proxyPassword
+      };
+    }
+
+    options.autoEncryption.bson = Object.create(null);
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    options.autoEncryption.bson!.serialize = serialize;
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    options.autoEncryption.bson!.deserialize = deserialize;
+
+    this.autoEncrypter = new AutoEncrypterClass(client, options.autoEncryption);
+  }
+
+  getInternalClient(client: MongoClient, uri: string, options: MongoClientOptions): MongoClient {
+    // TODO(NODE-4144): Remove new variable for type narrowing
+    let internalClient = this[kInternalClient];
+    if (internalClient == null) {
+      const clonedOptions: MongoClientOptions = {};
+
+      for (const key of [
+        ...Object.getOwnPropertyNames(options),
+        ...Object.getOwnPropertySymbols(options)
+      ] as string[]) {
+        if (['autoEncryption', 'minPoolSize', 'servers', 'caseTranslate', 'dbName'].includes(key))
+          continue;
+        Reflect.set(clonedOptions, key, Reflect.get(options, key));
+      }
+
+      clonedOptions.minPoolSize = 0;
+
+      internalClient = new MongoClient(uri, clonedOptions);
+      this[kInternalClient] = internalClient;
+
+      for (const eventName of MONGO_CLIENT_EVENTS) {
+        for (const listener of client.listeners(eventName)) {
+          internalClient.on(eventName, listener);
+        }
+      }
+
+      client.on('newListener', (eventName, listener) => {
+        internalClient?.on(eventName, listener);
+      });
+
+      this.needsConnecting = true;
+    }
+    return internalClient;
+  }
+
+  connectInternalClient(callback: Callback): void {
+    // TODO(NODE-4144): Remove new variable for type narrowing
+    const internalClient = this[kInternalClient];
+    if (this.needsConnecting && internalClient != null) {
+      this.needsConnecting = false;
+      return internalClient.connect(callback);
+    }
+
+    return callback();
+  }
+
+  close(client: MongoClient, force: boolean, callback: Callback): void {
+    this.autoEncrypter.teardown(!!force, e => {
+      const internalClient = this[kInternalClient];
+      if (internalClient != null && client !== internalClient) {
+        return internalClient.close(force, callback);
+      }
+      callback(e);
+    });
+  }
+
+  static checkForMongoCrypt(): void {
+    const mongodbClientEncryption = getMongoDBClientEncryption();
+    if (mongodbClientEncryption == null) {
+      throw new MongoMissingDependencyError(
+        'Auto-encryption requested, but the module is not installed. ' +
+          'Please add `mongodb-client-encryption` as a dependency of your project'
+      );
+    }
+    AutoEncrypterClass = mongodbClientEncryption.extension(require('../lib/index')).AutoEncrypter;
+  }
+}
diff --git a/node_modules/mongodb/src/error.ts b/node_modules/mongodb/src/error.ts
new file mode 100644
index 000000000..2a387a0d4
--- /dev/null
+++ b/node_modules/mongodb/src/error.ts
@@ -0,0 +1,929 @@
+import type { Document } from './bson';
+import type { TopologyVersion } from './sdam/server_description';
+import type { TopologyDescription } from './sdam/topology_description';
+
+/** @public */
+export type AnyError = MongoError | Error;
+
+/** @internal */
+const kErrorLabels = Symbol('errorLabels');
+
+/**
+ * @internal
+ * The legacy error message from the server that indicates the node is not a writable primary
+ * https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
+ */
+export const LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE = new RegExp('not master', 'i');
+
+/**
+ * @internal
+ * The legacy error message from the server that indicates the node is not a primary or secondary
+ * https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
+ */
+export const LEGACY_NOT_PRIMARY_OR_SECONDARY_ERROR_MESSAGE = new RegExp(
+  'not master or secondary',
+  'i'
+);
+
+/**
+ * @internal
+ * The error message from the server that indicates the node is recovering
+ * https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
+ */
+export const NODE_IS_RECOVERING_ERROR_MESSAGE = new RegExp('node is recovering', 'i');
+
+/** @internal MongoDB Error Codes */
+export const MONGODB_ERROR_CODES = Object.freeze({
+  HostUnreachable: 6,
+  HostNotFound: 7,
+  NetworkTimeout: 89,
+  ShutdownInProgress: 91,
+  PrimarySteppedDown: 189,
+  ExceededTimeLimit: 262,
+  SocketException: 9001,
+  NotWritablePrimary: 10107,
+  InterruptedAtShutdown: 11600,
+  InterruptedDueToReplStateChange: 11602,
+  NotPrimaryNoSecondaryOk: 13435,
+  NotPrimaryOrSecondary: 13436,
+  StaleShardVersion: 63,
+  StaleEpoch: 150,
+  StaleConfig: 13388,
+  RetryChangeStream: 234,
+  FailedToSatisfyReadPreference: 133,
+  CursorNotFound: 43,
+  LegacyNotPrimary: 10058,
+  WriteConcernFailed: 64,
+  NamespaceNotFound: 26,
+  IllegalOperation: 20,
+  MaxTimeMSExpired: 50,
+  UnknownReplWriteConcern: 79,
+  UnsatisfiableWriteConcern: 100
+} as const);
+
+// From spec@https://github.com/mongodb/specifications/blob/f93d78191f3db2898a59013a7ed5650352ef6da8/source/change-streams/change-streams.rst#resumable-error
+export const GET_MORE_RESUMABLE_CODES = new Set<number>([
+  MONGODB_ERROR_CODES.HostUnreachable,
+  MONGODB_ERROR_CODES.HostNotFound,
+  MONGODB_ERROR_CODES.NetworkTimeout,
+  MONGODB_ERROR_CODES.ShutdownInProgress,
+  MONGODB_ERROR_CODES.PrimarySteppedDown,
+  MONGODB_ERROR_CODES.ExceededTimeLimit,
+  MONGODB_ERROR_CODES.SocketException,
+  MONGODB_ERROR_CODES.NotWritablePrimary,
+  MONGODB_ERROR_CODES.InterruptedAtShutdown,
+  MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
+  MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
+  MONGODB_ERROR_CODES.NotPrimaryOrSecondary,
+  MONGODB_ERROR_CODES.StaleShardVersion,
+  MONGODB_ERROR_CODES.StaleEpoch,
+  MONGODB_ERROR_CODES.StaleConfig,
+  MONGODB_ERROR_CODES.RetryChangeStream,
+  MONGODB_ERROR_CODES.FailedToSatisfyReadPreference,
+  MONGODB_ERROR_CODES.CursorNotFound
+]);
+
+/** @public */
+export const MongoErrorLabel = Object.freeze({
+  RetryableWriteError: 'RetryableWriteError',
+  TransientTransactionError: 'TransientTransactionError',
+  UnknownTransactionCommitResult: 'UnknownTransactionCommitResult',
+  ResumableChangeStreamError: 'ResumableChangeStreamError',
+  HandshakeError: 'HandshakeError',
+  ResetPool: 'ResetPool'
+} as const);
+
+/** @public */
+export type MongoErrorLabel = typeof MongoErrorLabel[keyof typeof MongoErrorLabel];
+
+/** @public */
+export interface ErrorDescription extends Document {
+  message?: string;
+  errmsg?: string;
+  $err?: string;
+  errorLabels?: string[];
+  errInfo?: Document;
+}
+
+/**
+ * @public
+ * @category Error
+ *
+ * @privateRemarks
+ * CSFLE has a dependency on this error, it uses the constructor with a string argument
+ */
+export class MongoError extends Error {
+  /** @internal */
+  [kErrorLabels]: Set<string>;
+  /**
+   * This is a number in MongoServerError and a string in MongoDriverError
+   * @privateRemarks
+   * Define the type override on the subclasses when we can use the override keyword
+   */
+  code?: number | string;
+  topologyVersion?: TopologyVersion;
+  // eslint-disable-next-line @typescript-eslint/ban-ts-comment
+  // @ts-ignore
+  cause?: Error; // depending on the node version, this may or may not exist on the base
+
+  constructor(message: string | Error) {
+    if (message instanceof Error) {
+      super(message.message);
+      this.cause = message;
+    } else {
+      super(message);
+    }
+    this[kErrorLabels] = new Set();
+  }
+
+  override get name(): string {
+    return 'MongoError';
+  }
+
+  /** Legacy name for server error responses */
+  get errmsg(): string {
+    return this.message;
+  }
+
+  /**
+   * Checks the error to see if it has an error label
+   *
+   * @param label - The error label to check for
+   * @returns returns true if the error has the provided error label
+   */
+  hasErrorLabel(label: string): boolean {
+    return this[kErrorLabels].has(label);
+  }
+
+  addErrorLabel(label: string): void {
+    this[kErrorLabels].add(label);
+  }
+
+  get errorLabels(): string[] {
+    return Array.from(this[kErrorLabels]);
+  }
+}
+
+/**
+ * An error coming from the mongo server
+ *
+ * @public
+ * @category Error
+ */
+export class MongoServerError extends MongoError {
+  codeName?: string;
+  writeConcernError?: Document;
+  errInfo?: Document;
+  ok?: number;
+  [key: string]: any;
+
+  constructor(message: ErrorDescription) {
+    super(message.message || message.errmsg || message.$err || 'n/a');
+    if (message.errorLabels) {
+      this[kErrorLabels] = new Set(message.errorLabels);
+    }
+
+    for (const name in message) {
+      if (name !== 'errorLabels' && name !== 'errmsg' && name !== 'message')
+        this[name] = message[name];
+    }
+  }
+
+  override get name(): string {
+    return 'MongoServerError';
+  }
+}
+
+/**
+ * An error generated by the driver
+ *
+ * @public
+ * @category Error
+ */
+export class MongoDriverError extends MongoError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoDriverError';
+  }
+}
+
+/**
+ * An error generated when the driver API is used incorrectly
+ *
+ * @privateRemarks
+ * Should **never** be directly instantiated
+ *
+ * @public
+ * @category Error
+ */
+
+export class MongoAPIError extends MongoDriverError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoAPIError';
+  }
+}
+
+/**
+ * An error generated when the driver encounters unexpected input
+ * or reaches an unexpected/invalid internal state
+ *
+ * @privateRemarks
+ * Should **never** be directly instantiated.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoRuntimeError extends MongoDriverError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoRuntimeError';
+  }
+}
+
+/**
+ * An error generated when a batch command is re-executed after one of the commands in the batch
+ * has failed
+ *
+ * @public
+ * @category Error
+ */
+export class MongoBatchReExecutionError extends MongoAPIError {
+  constructor(message = 'This batch has already been executed, create new batch to execute') {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoBatchReExecutionError';
+  }
+}
+
+/**
+ * An error generated when the driver fails to decompress
+ * data received from the server.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoDecompressionError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoDecompressionError';
+  }
+}
+
+/**
+ * An error thrown when the user attempts to operate on a database or collection through a MongoClient
+ * that has not yet successfully called the "connect" method
+ *
+ * @public
+ * @category Error
+ */
+export class MongoNotConnectedError extends MongoAPIError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoNotConnectedError';
+  }
+}
+
+/**
+ * An error generated when the user makes a mistake in the usage of transactions.
+ * (e.g. attempting to commit a transaction with a readPreference other than primary)
+ *
+ * @public
+ * @category Error
+ */
+export class MongoTransactionError extends MongoAPIError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoTransactionError';
+  }
+}
+
+/**
+ * An error generated when the user attempts to operate
+ * on a session that has expired or has been closed.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoExpiredSessionError extends MongoAPIError {
+  constructor(message = 'Cannot use a session that has ended') {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoExpiredSessionError';
+  }
+}
+
+/**
+ * A error generated when the user attempts to authenticate
+ * via Kerberos, but fails to connect to the Kerberos client.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoKerberosError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoKerberosError';
+  }
+}
+
+/**
+ * A error generated when the user attempts to authenticate
+ * via AWS, but fails
+ *
+ * @public
+ * @category Error
+ */
+export class MongoAWSError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoAWSError';
+  }
+}
+
+/**
+ * An error generated when a ChangeStream operation fails to execute.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoChangeStreamError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoChangeStreamError';
+  }
+}
+
+/**
+ * An error thrown when the user calls a function or method not supported on a tailable cursor
+ *
+ * @public
+ * @category Error
+ */
+export class MongoTailableCursorError extends MongoAPIError {
+  constructor(message = 'Tailable cursor does not support this operation') {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoTailableCursorError';
+  }
+}
+
+/** An error generated when a GridFSStream operation fails to execute.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoGridFSStreamError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoGridFSStreamError';
+  }
+}
+
+/**
+ * An error generated when a malformed or invalid chunk is
+ * encountered when reading from a GridFSStream.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoGridFSChunkError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoGridFSChunkError';
+  }
+}
+
+/**
+ * An error generated when a **parsable** unexpected response comes from the server.
+ * This is generally an error where the driver in a state expecting a certain behavior to occur in
+ * the next message from MongoDB but it receives something else.
+ * This error **does not** represent an issue with wire message formatting.
+ *
+ * #### Example
+ * When an operation fails, it is the driver's job to retry it. It must perform serverSelection
+ * again to make sure that it attempts the operation against a server in a good state. If server
+ * selection returns a server that does not support retryable operations, this error is used.
+ * This scenario is unlikely as retryable support would also have been determined on the first attempt
+ * but it is possible the state change could report a selectable server that does not support retries.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoUnexpectedServerResponseError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoUnexpectedServerResponseError';
+  }
+}
+
+/**
+ * An error thrown when the user attempts to add options to a cursor that has already been
+ * initialized
+ *
+ * @public
+ * @category Error
+ */
+export class MongoCursorInUseError extends MongoAPIError {
+  constructor(message = 'Cursor is already initialized') {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoCursorInUseError';
+  }
+}
+
+/**
+ * An error generated when an attempt is made to operate
+ * on a closed/closing server.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoServerClosedError extends MongoAPIError {
+  constructor(message = 'Server is closed') {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoServerClosedError';
+  }
+}
+
+/**
+ * An error thrown when an attempt is made to read from a cursor that has been exhausted
+ *
+ * @public
+ * @category Error
+ */
+export class MongoCursorExhaustedError extends MongoAPIError {
+  constructor(message?: string) {
+    super(message || 'Cursor is exhausted');
+  }
+
+  override get name(): string {
+    return 'MongoCursorExhaustedError';
+  }
+}
+
+/**
+ * An error generated when an attempt is made to operate on a
+ * dropped, or otherwise unavailable, database.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoTopologyClosedError extends MongoAPIError {
+  constructor(message = 'Topology is closed') {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoTopologyClosedError';
+  }
+}
+
+/** @internal */
+const kBeforeHandshake = Symbol('beforeHandshake');
+export function isNetworkErrorBeforeHandshake(err: MongoNetworkError): boolean {
+  return err[kBeforeHandshake] === true;
+}
+
+/** @public */
+export interface MongoNetworkErrorOptions {
+  /** Indicates the timeout happened before a connection handshake completed */
+  beforeHandshake: boolean;
+}
+
+/**
+ * An error indicating an issue with the network, including TCP errors and timeouts.
+ * @public
+ * @category Error
+ */
+export class MongoNetworkError extends MongoError {
+  /** @internal */
+  [kBeforeHandshake]?: boolean;
+
+  constructor(message: string | Error, options?: MongoNetworkErrorOptions) {
+    super(message);
+
+    if (options && typeof options.beforeHandshake === 'boolean') {
+      this[kBeforeHandshake] = options.beforeHandshake;
+    }
+  }
+
+  override get name(): string {
+    return 'MongoNetworkError';
+  }
+}
+
+/**
+ * An error indicating a network timeout occurred
+ * @public
+ * @category Error
+ *
+ * @privateRemarks
+ * CSFLE has a dependency on this error with an instanceof check
+ */
+export class MongoNetworkTimeoutError extends MongoNetworkError {
+  constructor(message: string, options?: MongoNetworkErrorOptions) {
+    super(message, options);
+  }
+
+  override get name(): string {
+    return 'MongoNetworkTimeoutError';
+  }
+}
+
+/**
+ * An error used when attempting to parse a value (like a connection string)
+ * @public
+ * @category Error
+ */
+export class MongoParseError extends MongoDriverError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoParseError';
+  }
+}
+
+/**
+ * An error generated when the user supplies malformed or unexpected arguments
+ * or when a required argument or field is not provided.
+ *
+ *
+ * @public
+ * @category Error
+ */
+export class MongoInvalidArgumentError extends MongoAPIError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoInvalidArgumentError';
+  }
+}
+
+/**
+ * An error generated when a feature that is not enabled or allowed for the current server
+ * configuration is used
+ *
+ *
+ * @public
+ * @category Error
+ */
+export class MongoCompatibilityError extends MongoAPIError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoCompatibilityError';
+  }
+}
+
+/**
+ * An error generated when the user fails to provide authentication credentials before attempting
+ * to connect to a mongo server instance.
+ *
+ *
+ * @public
+ * @category Error
+ */
+export class MongoMissingCredentialsError extends MongoAPIError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoMissingCredentialsError';
+  }
+}
+
+/**
+ * An error generated when a required module or dependency is not present in the local environment
+ *
+ * @public
+ * @category Error
+ */
+export class MongoMissingDependencyError extends MongoAPIError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoMissingDependencyError';
+  }
+}
+/**
+ * An error signifying a general system issue
+ * @public
+ * @category Error
+ */
+export class MongoSystemError extends MongoError {
+  /** An optional reason context, such as an error saved during flow of monitoring and selecting servers */
+  reason?: TopologyDescription;
+
+  constructor(message: string, reason: TopologyDescription) {
+    if (reason && reason.error) {
+      super(reason.error.message || reason.error);
+    } else {
+      super(message);
+    }
+
+    if (reason) {
+      this.reason = reason;
+    }
+
+    this.code = reason.error?.code;
+  }
+
+  override get name(): string {
+    return 'MongoSystemError';
+  }
+}
+
+/**
+ * An error signifying a client-side server selection error
+ * @public
+ * @category Error
+ */
+export class MongoServerSelectionError extends MongoSystemError {
+  constructor(message: string, reason: TopologyDescription) {
+    super(message, reason);
+  }
+
+  override get name(): string {
+    return 'MongoServerSelectionError';
+  }
+}
+
+function makeWriteConcernResultObject(input: any) {
+  const output = Object.assign({}, input);
+
+  if (output.ok === 0) {
+    output.ok = 1;
+    delete output.errmsg;
+    delete output.code;
+    delete output.codeName;
+  }
+
+  return output;
+}
+
+/**
+ * An error thrown when the server reports a writeConcernError
+ * @public
+ * @category Error
+ */
+export class MongoWriteConcernError extends MongoServerError {
+  /** The result document (provided if ok: 1) */
+  result?: Document;
+
+  constructor(message: ErrorDescription, result?: Document) {
+    if (result && Array.isArray(result.errorLabels)) {
+      message.errorLabels = result.errorLabels;
+    }
+
+    super(message);
+    this.errInfo = message.errInfo;
+
+    if (result != null) {
+      this.result = makeWriteConcernResultObject(result);
+    }
+  }
+
+  override get name(): string {
+    return 'MongoWriteConcernError';
+  }
+}
+
+// https://github.com/mongodb/specifications/blob/master/source/retryable-reads/retryable-reads.rst#retryable-error
+const RETRYABLE_READ_ERROR_CODES = new Set<number>([
+  MONGODB_ERROR_CODES.HostUnreachable,
+  MONGODB_ERROR_CODES.HostNotFound,
+  MONGODB_ERROR_CODES.NetworkTimeout,
+  MONGODB_ERROR_CODES.ShutdownInProgress,
+  MONGODB_ERROR_CODES.PrimarySteppedDown,
+  MONGODB_ERROR_CODES.SocketException,
+  MONGODB_ERROR_CODES.NotWritablePrimary,
+  MONGODB_ERROR_CODES.InterruptedAtShutdown,
+  MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
+  MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
+  MONGODB_ERROR_CODES.NotPrimaryOrSecondary
+]);
+
+// see: https://github.com/mongodb/specifications/blob/master/source/retryable-writes/retryable-writes.rst#terms
+const RETRYABLE_WRITE_ERROR_CODES = new Set<number>([
+  ...RETRYABLE_READ_ERROR_CODES,
+  MONGODB_ERROR_CODES.ExceededTimeLimit
+]);
+
+export function needsRetryableWriteLabel(error: Error, maxWireVersion: number): boolean {
+  // pre-4.4 server, then the driver adds an error label for every valid case
+  // execute operation will only inspect the label, code/message logic is handled here
+  if (error instanceof MongoNetworkError) {
+    return true;
+  }
+
+  if (error instanceof MongoError) {
+    if (
+      (maxWireVersion >= 9 || error.hasErrorLabel(MongoErrorLabel.RetryableWriteError)) &&
+      !error.hasErrorLabel(MongoErrorLabel.HandshakeError)
+    ) {
+      // If we already have the error label no need to add it again. 4.4+ servers add the label.
+      // In the case where we have a handshake error, need to fall down to the logic checking
+      // the codes.
+      return false;
+    }
+  }
+
+  if (error instanceof MongoWriteConcernError) {
+    return RETRYABLE_WRITE_ERROR_CODES.has(error.result?.code ?? error.code ?? 0);
+  }
+
+  if (error instanceof MongoError && typeof error.code === 'number') {
+    return RETRYABLE_WRITE_ERROR_CODES.has(error.code);
+  }
+
+  const isNotWritablePrimaryError = LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(error.message);
+  if (isNotWritablePrimaryError) {
+    return true;
+  }
+
+  const isNodeIsRecoveringError = NODE_IS_RECOVERING_ERROR_MESSAGE.test(error.message);
+  if (isNodeIsRecoveringError) {
+    return true;
+  }
+
+  return false;
+}
+
+export function isRetryableWriteError(error: MongoError): boolean {
+  return error.hasErrorLabel(MongoErrorLabel.RetryableWriteError);
+}
+
+/** Determines whether an error is something the driver should attempt to retry */
+export function isRetryableReadError(error: MongoError): boolean {
+  const hasRetryableErrorCode =
+    typeof error.code === 'number' ? RETRYABLE_READ_ERROR_CODES.has(error.code) : false;
+  if (hasRetryableErrorCode) {
+    return true;
+  }
+
+  if (error instanceof MongoNetworkError) {
+    return true;
+  }
+
+  const isNotWritablePrimaryError = LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(error.message);
+  if (isNotWritablePrimaryError) {
+    return true;
+  }
+
+  const isNodeIsRecoveringError = NODE_IS_RECOVERING_ERROR_MESSAGE.test(error.message);
+  if (isNodeIsRecoveringError) {
+    return true;
+  }
+
+  return false;
+}
+
+const SDAM_RECOVERING_CODES = new Set<number>([
+  MONGODB_ERROR_CODES.ShutdownInProgress,
+  MONGODB_ERROR_CODES.PrimarySteppedDown,
+  MONGODB_ERROR_CODES.InterruptedAtShutdown,
+  MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
+  MONGODB_ERROR_CODES.NotPrimaryOrSecondary
+]);
+
+const SDAM_NOT_PRIMARY_CODES = new Set<number>([
+  MONGODB_ERROR_CODES.NotWritablePrimary,
+  MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
+  MONGODB_ERROR_CODES.LegacyNotPrimary
+]);
+
+const SDAM_NODE_SHUTTING_DOWN_ERROR_CODES = new Set<number>([
+  MONGODB_ERROR_CODES.InterruptedAtShutdown,
+  MONGODB_ERROR_CODES.ShutdownInProgress
+]);
+
+function isRecoveringError(err: MongoError) {
+  if (typeof err.code === 'number') {
+    // If any error code exists, we ignore the error.message
+    return SDAM_RECOVERING_CODES.has(err.code);
+  }
+
+  return (
+    LEGACY_NOT_PRIMARY_OR_SECONDARY_ERROR_MESSAGE.test(err.message) ||
+    NODE_IS_RECOVERING_ERROR_MESSAGE.test(err.message)
+  );
+}
+
+function isNotWritablePrimaryError(err: MongoError) {
+  if (typeof err.code === 'number') {
+    // If any error code exists, we ignore the error.message
+    return SDAM_NOT_PRIMARY_CODES.has(err.code);
+  }
+
+  if (isRecoveringError(err)) {
+    return false;
+  }
+
+  return LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(err.message);
+}
+
+export function isNodeShuttingDownError(err: MongoError): boolean {
+  return !!(typeof err.code === 'number' && SDAM_NODE_SHUTTING_DOWN_ERROR_CODES.has(err.code));
+}
+
+/**
+ * Determines whether SDAM can recover from a given error. If it cannot
+ * then the pool will be cleared, and server state will completely reset
+ * locally.
+ *
+ * @see https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-master-and-node-is-recovering
+ */
+export function isSDAMUnrecoverableError(error: MongoError): boolean {
+  // NOTE: null check is here for a strictly pre-CMAP world, a timeout or
+  //       close event are considered unrecoverable
+  if (error instanceof MongoParseError || error == null) {
+    return true;
+  }
+
+  return isRecoveringError(error) || isNotWritablePrimaryError(error);
+}
+
+export function isNetworkTimeoutError(err: MongoError): err is MongoNetworkError {
+  return !!(err instanceof MongoNetworkError && err.message.match(/timed out/));
+}
+
+export function isResumableError(error?: Error, wireVersion?: number): boolean {
+  if (error == null || !(error instanceof MongoError)) {
+    return false;
+  }
+
+  if (error instanceof MongoNetworkError) {
+    return true;
+  }
+
+  if (wireVersion != null && wireVersion >= 9) {
+    // DRIVERS-1308: For 4.4 drivers running against 4.4 servers, drivers will add a special case to treat the CursorNotFound error code as resumable
+    if (error.code === MONGODB_ERROR_CODES.CursorNotFound) {
+      return true;
+    }
+    return error.hasErrorLabel(MongoErrorLabel.ResumableChangeStreamError);
+  }
+
+  if (typeof error.code === 'number') {
+    return GET_MORE_RESUMABLE_CODES.has(error.code);
+  }
+
+  return false;
+}
diff --git a/node_modules/mongodb/src/explain.ts b/node_modules/mongodb/src/explain.ts
new file mode 100644
index 000000000..0d08e694a
--- /dev/null
+++ b/node_modules/mongodb/src/explain.ts
@@ -0,0 +1,52 @@
+import { MongoInvalidArgumentError } from './error';
+
+/** @public */
+export const ExplainVerbosity = Object.freeze({
+  queryPlanner: 'queryPlanner',
+  queryPlannerExtended: 'queryPlannerExtended',
+  executionStats: 'executionStats',
+  allPlansExecution: 'allPlansExecution'
+} as const);
+
+/** @public */
+export type ExplainVerbosity = string;
+
+/**
+ * For backwards compatibility, true is interpreted as "allPlansExecution"
+ * and false as "queryPlanner". Prior to server version 3.6, aggregate()
+ * ignores the verbosity parameter and executes in "queryPlanner".
+ * @public
+ */
+export type ExplainVerbosityLike = ExplainVerbosity | boolean;
+
+/** @public */
+export interface ExplainOptions {
+  /** Specifies the verbosity mode for the explain output. */
+  explain?: ExplainVerbosityLike;
+}
+
+/** @internal */
+export class Explain {
+  verbosity: ExplainVerbosity;
+
+  constructor(verbosity: ExplainVerbosityLike) {
+    if (typeof verbosity === 'boolean') {
+      this.verbosity = verbosity
+        ? ExplainVerbosity.allPlansExecution
+        : ExplainVerbosity.queryPlanner;
+    } else {
+      this.verbosity = verbosity;
+    }
+  }
+
+  static fromOptions(options?: ExplainOptions): Explain | undefined {
+    if (options?.explain == null) return;
+
+    const explain = options.explain;
+    if (typeof explain === 'boolean' || typeof explain === 'string') {
+      return new Explain(explain);
+    }
+
+    throw new MongoInvalidArgumentError('Field "explain" must be a string or a boolean');
+  }
+}
diff --git a/node_modules/mongodb/src/gridfs/download.ts b/node_modules/mongodb/src/gridfs/download.ts
new file mode 100644
index 000000000..c16133385
--- /dev/null
+++ b/node_modules/mongodb/src/gridfs/download.ts
@@ -0,0 +1,459 @@
+import { Readable } from 'stream';
+
+import type { Document, ObjectId } from '../bson';
+import type { Collection } from '../collection';
+import type { FindCursor } from '../cursor/find_cursor';
+import {
+  MongoGridFSChunkError,
+  MongoGridFSStreamError,
+  MongoInvalidArgumentError,
+  MongoRuntimeError
+} from '../error';
+import type { FindOptions } from '../operations/find';
+import type { ReadPreference } from '../read_preference';
+import type { Sort } from '../sort';
+import type { Callback } from '../utils';
+import type { GridFSChunk } from './upload';
+
+/** @public */
+export interface GridFSBucketReadStreamOptions {
+  sort?: Sort;
+  skip?: number;
+  /** 0-based offset in bytes to start streaming from */
+  start?: number;
+  /** 0-based offset in bytes to stop streaming before */
+  end?: number;
+}
+
+/** @public */
+export interface GridFSBucketReadStreamOptionsWithRevision extends GridFSBucketReadStreamOptions {
+  /** The revision number relative to the oldest file with the given filename. 0
+   * gets you the oldest file, 1 gets you the 2nd oldest, -1 gets you the
+   * newest. */
+  revision?: number;
+}
+
+/** @public */
+export interface GridFSFile {
+  _id: ObjectId;
+  length: number;
+  chunkSize: number;
+  filename: string;
+  contentType?: string;
+  aliases?: string[];
+  metadata?: Document;
+  uploadDate: Date;
+}
+
+/** @internal */
+export interface GridFSBucketReadStreamPrivate {
+  bytesRead: number;
+  bytesToTrim: number;
+  bytesToSkip: number;
+  chunks: Collection<GridFSChunk>;
+  cursor?: FindCursor<GridFSChunk>;
+  expected: number;
+  files: Collection<GridFSFile>;
+  filter: Document;
+  init: boolean;
+  expectedEnd: number;
+  file?: GridFSFile;
+  options: {
+    sort?: Sort;
+    skip?: number;
+    start: number;
+    end: number;
+  };
+  readPreference?: ReadPreference;
+}
+
+/**
+ * A readable stream that enables you to read buffers from GridFS.
+ *
+ * Do not instantiate this class directly. Use `openDownloadStream()` instead.
+ * @public
+ */
+export class GridFSBucketReadStream extends Readable implements NodeJS.ReadableStream {
+  /** @internal */
+  s: GridFSBucketReadStreamPrivate;
+
+  /**
+   * An error occurred
+   * @event
+   */
+  static readonly ERROR = 'error' as const;
+  /**
+   * Fires when the stream loaded the file document corresponding to the provided id.
+   * @event
+   */
+  static readonly FILE = 'file' as const;
+  /**
+   * Emitted when a chunk of data is available to be consumed.
+   * @event
+   */
+  static readonly DATA = 'data' as const;
+  /**
+   * Fired when the stream is exhausted (no more data events).
+   * @event
+   */
+  static readonly END = 'end' as const;
+  /**
+   * Fired when the stream is exhausted and the underlying cursor is killed
+   * @event
+   */
+  static readonly CLOSE = 'close' as const;
+
+  /**
+   * @param chunks - Handle for chunks collection
+   * @param files - Handle for files collection
+   * @param readPreference - The read preference to use
+   * @param filter - The filter to use to find the file document
+   * @internal
+   */
+  constructor(
+    chunks: Collection<GridFSChunk>,
+    files: Collection<GridFSFile>,
+    readPreference: ReadPreference | undefined,
+    filter: Document,
+    options?: GridFSBucketReadStreamOptions
+  ) {
+    super();
+    this.s = {
+      bytesToTrim: 0,
+      bytesToSkip: 0,
+      bytesRead: 0,
+      chunks,
+      expected: 0,
+      files,
+      filter,
+      init: false,
+      expectedEnd: 0,
+      options: {
+        start: 0,
+        end: 0,
+        ...options
+      },
+      readPreference
+    };
+  }
+
+  /**
+   * Reads from the cursor and pushes to the stream.
+   * Private Impl, do not call directly
+   * @internal
+   */
+  override _read(): void {
+    if (this.destroyed) return;
+    waitForFile(this, () => doRead(this));
+  }
+
+  /**
+   * Sets the 0-based offset in bytes to start streaming from. Throws
+   * an error if this stream has entered flowing mode
+   * (e.g. if you've already called `on('data')`)
+   *
+   * @param start - 0-based offset in bytes to start streaming from
+   */
+  start(start = 0): this {
+    throwIfInitialized(this);
+    this.s.options.start = start;
+    return this;
+  }
+
+  /**
+   * Sets the 0-based offset in bytes to start streaming from. Throws
+   * an error if this stream has entered flowing mode
+   * (e.g. if you've already called `on('data')`)
+   *
+   * @param end - Offset in bytes to stop reading at
+   */
+  end(end = 0): this {
+    throwIfInitialized(this);
+    this.s.options.end = end;
+    return this;
+  }
+
+  /**
+   * Marks this stream as aborted (will never push another `data` event)
+   * and kills the underlying cursor. Will emit the 'end' event, and then
+   * the 'close' event once the cursor is successfully killed.
+   *
+   * @param callback - called when the cursor is successfully closed or an error occurred.
+   */
+  abort(callback?: Callback<void>): void {
+    this.push(null);
+    this.destroyed = true;
+    if (this.s.cursor) {
+      this.s.cursor.close(error => {
+        this.emit(GridFSBucketReadStream.CLOSE);
+        callback && callback(error);
+      });
+    } else {
+      if (!this.s.init) {
+        // If not initialized, fire close event because we will never
+        // get a cursor
+        this.emit(GridFSBucketReadStream.CLOSE);
+      }
+      callback && callback();
+    }
+  }
+}
+
+function throwIfInitialized(stream: GridFSBucketReadStream): void {
+  if (stream.s.init) {
+    throw new MongoGridFSStreamError('Options cannot be changed after the stream is initialized');
+  }
+}
+
+function doRead(stream: GridFSBucketReadStream): void {
+  if (stream.destroyed) return;
+  if (!stream.s.cursor) return;
+  if (!stream.s.file) return;
+
+  stream.s.cursor.next((error, doc) => {
+    if (stream.destroyed) {
+      return;
+    }
+    if (error) {
+      stream.emit(GridFSBucketReadStream.ERROR, error);
+      return;
+    }
+    if (!doc) {
+      stream.push(null);
+
+      process.nextTick(() => {
+        if (!stream.s.cursor) return;
+        stream.s.cursor.close(error => {
+          if (error) {
+            stream.emit(GridFSBucketReadStream.ERROR, error);
+            return;
+          }
+
+          stream.emit(GridFSBucketReadStream.CLOSE);
+        });
+      });
+
+      return;
+    }
+
+    if (!stream.s.file) return;
+
+    const bytesRemaining = stream.s.file.length - stream.s.bytesRead;
+    const expectedN = stream.s.expected++;
+    const expectedLength = Math.min(stream.s.file.chunkSize, bytesRemaining);
+    if (doc.n > expectedN) {
+      return stream.emit(
+        GridFSBucketReadStream.ERROR,
+        new MongoGridFSChunkError(
+          `ChunkIsMissing: Got unexpected n: ${doc.n}, expected: ${expectedN}`
+        )
+      );
+    }
+
+    if (doc.n < expectedN) {
+      return stream.emit(
+        GridFSBucketReadStream.ERROR,
+        new MongoGridFSChunkError(`ExtraChunk: Got unexpected n: ${doc.n}, expected: ${expectedN}`)
+      );
+    }
+
+    let buf = Buffer.isBuffer(doc.data) ? doc.data : doc.data.buffer;
+
+    if (buf.byteLength !== expectedLength) {
+      if (bytesRemaining <= 0) {
+        return stream.emit(
+          GridFSBucketReadStream.ERROR,
+          new MongoGridFSChunkError(
+            `ExtraChunk: Got unexpected n: ${doc.n}, expected file length ${stream.s.file.length} bytes but already read ${stream.s.bytesRead} bytes`
+          )
+        );
+      }
+
+      return stream.emit(
+        GridFSBucketReadStream.ERROR,
+        new MongoGridFSChunkError(
+          `ChunkIsWrongSize: Got unexpected length: ${buf.byteLength}, expected: ${expectedLength}`
+        )
+      );
+    }
+
+    stream.s.bytesRead += buf.byteLength;
+
+    if (buf.byteLength === 0) {
+      return stream.push(null);
+    }
+
+    let sliceStart = null;
+    let sliceEnd = null;
+
+    if (stream.s.bytesToSkip != null) {
+      sliceStart = stream.s.bytesToSkip;
+      stream.s.bytesToSkip = 0;
+    }
+
+    const atEndOfStream = expectedN === stream.s.expectedEnd - 1;
+    const bytesLeftToRead = stream.s.options.end - stream.s.bytesToSkip;
+    if (atEndOfStream && stream.s.bytesToTrim != null) {
+      sliceEnd = stream.s.file.chunkSize - stream.s.bytesToTrim;
+    } else if (stream.s.options.end && bytesLeftToRead < doc.data.byteLength) {
+      sliceEnd = bytesLeftToRead;
+    }
+
+    if (sliceStart != null || sliceEnd != null) {
+      buf = buf.slice(sliceStart || 0, sliceEnd || buf.byteLength);
+    }
+
+    stream.push(buf);
+    return;
+  });
+}
+
+function init(stream: GridFSBucketReadStream): void {
+  const findOneOptions: FindOptions = {};
+  if (stream.s.readPreference) {
+    findOneOptions.readPreference = stream.s.readPreference;
+  }
+  if (stream.s.options && stream.s.options.sort) {
+    findOneOptions.sort = stream.s.options.sort;
+  }
+  if (stream.s.options && stream.s.options.skip) {
+    findOneOptions.skip = stream.s.options.skip;
+  }
+
+  stream.s.files.findOne(stream.s.filter, findOneOptions, (error, doc) => {
+    if (error) {
+      return stream.emit(GridFSBucketReadStream.ERROR, error);
+    }
+
+    if (!doc) {
+      const identifier = stream.s.filter._id
+        ? stream.s.filter._id.toString()
+        : stream.s.filter.filename;
+      const errmsg = `FileNotFound: file ${identifier} was not found`;
+      // TODO(NODE-3483)
+      const err = new MongoRuntimeError(errmsg);
+      err.code = 'ENOENT'; // TODO: NODE-3338 set property as part of constructor
+      return stream.emit(GridFSBucketReadStream.ERROR, err);
+    }
+
+    // If document is empty, kill the stream immediately and don't
+    // execute any reads
+    if (doc.length <= 0) {
+      stream.push(null);
+      return;
+    }
+
+    if (stream.destroyed) {
+      // If user destroys the stream before we have a cursor, wait
+      // until the query is done to say we're 'closed' because we can't
+      // cancel a query.
+      stream.emit(GridFSBucketReadStream.CLOSE);
+      return;
+    }
+
+    try {
+      stream.s.bytesToSkip = handleStartOption(stream, doc, stream.s.options);
+    } catch (error) {
+      return stream.emit(GridFSBucketReadStream.ERROR, error);
+    }
+
+    const filter: Document = { files_id: doc._id };
+
+    // Currently (MongoDB 3.4.4) skip function does not support the index,
+    // it needs to retrieve all the documents first and then skip them. (CS-25811)
+    // As work around we use $gte on the "n" field.
+    if (stream.s.options && stream.s.options.start != null) {
+      const skip = Math.floor(stream.s.options.start / doc.chunkSize);
+      if (skip > 0) {
+        filter['n'] = { $gte: skip };
+      }
+    }
+    stream.s.cursor = stream.s.chunks.find(filter).sort({ n: 1 });
+
+    if (stream.s.readPreference) {
+      stream.s.cursor.withReadPreference(stream.s.readPreference);
+    }
+
+    stream.s.expectedEnd = Math.ceil(doc.length / doc.chunkSize);
+    stream.s.file = doc as GridFSFile;
+
+    try {
+      stream.s.bytesToTrim = handleEndOption(stream, doc, stream.s.cursor, stream.s.options);
+    } catch (error) {
+      return stream.emit(GridFSBucketReadStream.ERROR, error);
+    }
+
+    stream.emit(GridFSBucketReadStream.FILE, doc);
+    return;
+  });
+}
+
+function waitForFile(stream: GridFSBucketReadStream, callback: Callback): void {
+  if (stream.s.file) {
+    return callback();
+  }
+
+  if (!stream.s.init) {
+    init(stream);
+    stream.s.init = true;
+  }
+
+  stream.once('file', () => {
+    callback();
+  });
+}
+
+function handleStartOption(
+  stream: GridFSBucketReadStream,
+  doc: Document,
+  options: GridFSBucketReadStreamOptions
+): number {
+  if (options && options.start != null) {
+    if (options.start > doc.length) {
+      throw new MongoInvalidArgumentError(
+        `Stream start (${options.start}) must not be more than the length of the file (${doc.length})`
+      );
+    }
+    if (options.start < 0) {
+      throw new MongoInvalidArgumentError(`Stream start (${options.start}) must not be negative`);
+    }
+    if (options.end != null && options.end < options.start) {
+      throw new MongoInvalidArgumentError(
+        `Stream start (${options.start}) must not be greater than stream end (${options.end})`
+      );
+    }
+
+    stream.s.bytesRead = Math.floor(options.start / doc.chunkSize) * doc.chunkSize;
+    stream.s.expected = Math.floor(options.start / doc.chunkSize);
+
+    return options.start - stream.s.bytesRead;
+  }
+  throw new MongoInvalidArgumentError('Start option must be defined');
+}
+
+function handleEndOption(
+  stream: GridFSBucketReadStream,
+  doc: Document,
+  cursor: FindCursor<GridFSChunk>,
+  options: GridFSBucketReadStreamOptions
+) {
+  if (options && options.end != null) {
+    if (options.end > doc.length) {
+      throw new MongoInvalidArgumentError(
+        `Stream end (${options.end}) must not be more than the length of the file (${doc.length})`
+      );
+    }
+    if (options.start == null || options.start < 0) {
+      throw new MongoInvalidArgumentError(`Stream end (${options.end}) must not be negative`);
+    }
+
+    const start = options.start != null ? Math.floor(options.start / doc.chunkSize) : 0;
+
+    cursor.limit(Math.ceil(options.end / doc.chunkSize) - start);
+
+    stream.s.expectedEnd = Math.ceil(options.end / doc.chunkSize);
+
+    return Math.ceil(options.end / doc.chunkSize) * doc.chunkSize - options.end;
+  }
+  throw new MongoInvalidArgumentError('End option must be defined');
+}
diff --git a/node_modules/mongodb/src/gridfs/index.ts b/node_modules/mongodb/src/gridfs/index.ts
new file mode 100644
index 000000000..eb96cebca
--- /dev/null
+++ b/node_modules/mongodb/src/gridfs/index.ts
@@ -0,0 +1,260 @@
+import type { ObjectId } from '../bson';
+import type { Collection } from '../collection';
+import type { FindCursor } from '../cursor/find_cursor';
+import type { Db } from '../db';
+import { MongoRuntimeError } from '../error';
+import type { Logger } from '../logger';
+import { Filter, TypedEventEmitter } from '../mongo_types';
+import type { ReadPreference } from '../read_preference';
+import type { Sort } from '../sort';
+import { Callback, maybePromise } from '../utils';
+import { WriteConcern, WriteConcernOptions } from '../write_concern';
+import type { FindOptions } from './../operations/find';
+import {
+  GridFSBucketReadStream,
+  GridFSBucketReadStreamOptions,
+  GridFSBucketReadStreamOptionsWithRevision,
+  GridFSFile
+} from './download';
+import { GridFSBucketWriteStream, GridFSBucketWriteStreamOptions, GridFSChunk } from './upload';
+
+const DEFAULT_GRIDFS_BUCKET_OPTIONS: {
+  bucketName: string;
+  chunkSizeBytes: number;
+} = {
+  bucketName: 'fs',
+  chunkSizeBytes: 255 * 1024
+};
+
+/** @public */
+export interface GridFSBucketOptions extends WriteConcernOptions {
+  /** The 'files' and 'chunks' collections will be prefixed with the bucket name followed by a dot. */
+  bucketName?: string;
+  /** Number of bytes stored in each chunk. Defaults to 255KB */
+  chunkSizeBytes?: number;
+  /** Read preference to be passed to read operations */
+  readPreference?: ReadPreference;
+}
+
+/** @internal */
+export interface GridFSBucketPrivate {
+  db: Db;
+  options: {
+    bucketName: string;
+    chunkSizeBytes: number;
+    readPreference?: ReadPreference;
+    writeConcern: WriteConcern | undefined;
+  };
+  _chunksCollection: Collection<GridFSChunk>;
+  _filesCollection: Collection<GridFSFile>;
+  checkedIndexes: boolean;
+  calledOpenUploadStream: boolean;
+}
+
+/** @public */
+export type GridFSBucketEvents = {
+  index(): void;
+};
+
+/**
+ * Constructor for a streaming GridFS interface
+ * @public
+ */
+export class GridFSBucket extends TypedEventEmitter<GridFSBucketEvents> {
+  /** @internal */
+  s: GridFSBucketPrivate;
+
+  /**
+   * When the first call to openUploadStream is made, the upload stream will
+   * check to see if it needs to create the proper indexes on the chunks and
+   * files collections. This event is fired either when 1) it determines that
+   * no index creation is necessary, 2) when it successfully creates the
+   * necessary indexes.
+   * @event
+   */
+  static readonly INDEX = 'index' as const;
+
+  constructor(db: Db, options?: GridFSBucketOptions) {
+    super();
+    this.setMaxListeners(0);
+    const privateOptions = {
+      ...DEFAULT_GRIDFS_BUCKET_OPTIONS,
+      ...options,
+      writeConcern: WriteConcern.fromOptions(options)
+    };
+    this.s = {
+      db,
+      options: privateOptions,
+      _chunksCollection: db.collection<GridFSChunk>(privateOptions.bucketName + '.chunks'),
+      _filesCollection: db.collection<GridFSFile>(privateOptions.bucketName + '.files'),
+      checkedIndexes: false,
+      calledOpenUploadStream: false
+    };
+  }
+
+  /**
+   * Returns a writable stream (GridFSBucketWriteStream) for writing
+   * buffers to GridFS. The stream's 'id' property contains the resulting
+   * file's id.
+   *
+   * @param filename - The value of the 'filename' key in the files doc
+   * @param options - Optional settings.
+   */
+
+  openUploadStream(
+    filename: string,
+    options?: GridFSBucketWriteStreamOptions
+  ): GridFSBucketWriteStream {
+    return new GridFSBucketWriteStream(this, filename, options);
+  }
+
+  /**
+   * Returns a writable stream (GridFSBucketWriteStream) for writing
+   * buffers to GridFS for a custom file id. The stream's 'id' property contains the resulting
+   * file's id.
+   */
+  openUploadStreamWithId(
+    id: ObjectId,
+    filename: string,
+    options?: GridFSBucketWriteStreamOptions
+  ): GridFSBucketWriteStream {
+    return new GridFSBucketWriteStream(this, filename, { ...options, id });
+  }
+
+  /** Returns a readable stream (GridFSBucketReadStream) for streaming file data from GridFS. */
+  openDownloadStream(
+    id: ObjectId,
+    options?: GridFSBucketReadStreamOptions
+  ): GridFSBucketReadStream {
+    return new GridFSBucketReadStream(
+      this.s._chunksCollection,
+      this.s._filesCollection,
+      this.s.options.readPreference,
+      { _id: id },
+      options
+    );
+  }
+
+  /**
+   * Deletes a file with the given id
+   *
+   * @param id - The id of the file doc
+   */
+  delete(id: ObjectId): Promise<void>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  delete(id: ObjectId, callback: Callback<void>): void;
+  delete(id: ObjectId, callback?: Callback<void>): Promise<void> | void {
+    return maybePromise(callback, callback => {
+      return this.s._filesCollection.deleteOne({ _id: id }, (error, res) => {
+        if (error) {
+          return callback(error);
+        }
+
+        return this.s._chunksCollection.deleteMany({ files_id: id }, error => {
+          if (error) {
+            return callback(error);
+          }
+
+          // Delete orphaned chunks before returning FileNotFound
+          if (!res?.deletedCount) {
+            // TODO(NODE-3483): Replace with more appropriate error
+            // Consider creating new error MongoGridFSFileNotFoundError
+            return callback(new MongoRuntimeError(`File not found for id ${id}`));
+          }
+
+          return callback();
+        });
+      });
+    });
+  }
+
+  /** Convenience wrapper around find on the files collection */
+  find(filter?: Filter<GridFSFile>, options?: FindOptions): FindCursor<GridFSFile> {
+    filter ??= {};
+    options = options ?? {};
+    return this.s._filesCollection.find(filter, options);
+  }
+
+  /**
+   * Returns a readable stream (GridFSBucketReadStream) for streaming the
+   * file with the given name from GridFS. If there are multiple files with
+   * the same name, this will stream the most recent file with the given name
+   * (as determined by the `uploadDate` field). You can set the `revision`
+   * option to change this behavior.
+   */
+  openDownloadStreamByName(
+    filename: string,
+    options?: GridFSBucketReadStreamOptionsWithRevision
+  ): GridFSBucketReadStream {
+    let sort: Sort = { uploadDate: -1 };
+    let skip = undefined;
+    if (options && options.revision != null) {
+      if (options.revision >= 0) {
+        sort = { uploadDate: 1 };
+        skip = options.revision;
+      } else {
+        skip = -options.revision - 1;
+      }
+    }
+    return new GridFSBucketReadStream(
+      this.s._chunksCollection,
+      this.s._filesCollection,
+      this.s.options.readPreference,
+      { filename },
+      { ...options, sort, skip }
+    );
+  }
+
+  /**
+   * Renames the file with the given _id to the given string
+   *
+   * @param id - the id of the file to rename
+   * @param filename - new name for the file
+   */
+  rename(id: ObjectId, filename: string): Promise<void>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  rename(id: ObjectId, filename: string, callback: Callback<void>): void;
+  rename(id: ObjectId, filename: string, callback?: Callback<void>): Promise<void> | void {
+    return maybePromise(callback, callback => {
+      const filter = { _id: id };
+      const update = { $set: { filename } };
+      return this.s._filesCollection.updateOne(filter, update, (error?, res?) => {
+        if (error) {
+          return callback(error);
+        }
+
+        if (!res?.matchedCount) {
+          return callback(new MongoRuntimeError(`File with id ${id} not found`));
+        }
+
+        return callback();
+      });
+    });
+  }
+
+  /** Removes this bucket's files collection, followed by its chunks collection. */
+  drop(): Promise<void>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  drop(callback: Callback<void>): void;
+  drop(callback?: Callback<void>): Promise<void> | void {
+    return maybePromise(callback, callback => {
+      return this.s._filesCollection.drop(error => {
+        if (error) {
+          return callback(error);
+        }
+        return this.s._chunksCollection.drop(error => {
+          if (error) {
+            return callback(error);
+          }
+
+          return callback();
+        });
+      });
+    });
+  }
+
+  /** Get the Db scoped logger. */
+  getLogger(): Logger {
+    return this.s.db.s.logger;
+  }
+}
diff --git a/node_modules/mongodb/src/gridfs/upload.ts b/node_modules/mongodb/src/gridfs/upload.ts
new file mode 100644
index 000000000..68d4ad224
--- /dev/null
+++ b/node_modules/mongodb/src/gridfs/upload.ts
@@ -0,0 +1,568 @@
+import { Writable } from 'stream';
+
+import type { Document } from '../bson';
+import { ObjectId } from '../bson';
+import type { Collection } from '../collection';
+import { AnyError, MongoAPIError, MONGODB_ERROR_CODES, MongoError } from '../error';
+import { Callback, maybePromise } from '../utils';
+import type { WriteConcernOptions } from '../write_concern';
+import { WriteConcern } from './../write_concern';
+import type { GridFSFile } from './download';
+import type { GridFSBucket } from './index';
+
+/** @public */
+export interface GridFSChunk {
+  _id: ObjectId;
+  files_id: ObjectId;
+  n: number;
+  data: Buffer | Uint8Array;
+}
+
+/** @public */
+export interface GridFSBucketWriteStreamOptions extends WriteConcernOptions {
+  /** Overwrite this bucket's chunkSizeBytes for this file */
+  chunkSizeBytes?: number;
+  /** Custom file id for the GridFS file. */
+  id?: ObjectId;
+  /** Object to store in the file document's `metadata` field */
+  metadata?: Document;
+  /** String to store in the file document's `contentType` field */
+  contentType?: string;
+  /** Array of strings to store in the file document's `aliases` field */
+  aliases?: string[];
+}
+
+/**
+ * A writable stream that enables you to write buffers to GridFS.
+ *
+ * Do not instantiate this class directly. Use `openUploadStream()` instead.
+ * @public
+ */
+export class GridFSBucketWriteStream extends Writable implements NodeJS.WritableStream {
+  bucket: GridFSBucket;
+  chunks: Collection<GridFSChunk>;
+  filename: string;
+  files: Collection<GridFSFile>;
+  options: GridFSBucketWriteStreamOptions;
+  done: boolean;
+  id: ObjectId;
+  chunkSizeBytes: number;
+  bufToStore: Buffer;
+  length: number;
+  n: number;
+  pos: number;
+  state: {
+    streamEnd: boolean;
+    outstandingRequests: number;
+    errored: boolean;
+    aborted: boolean;
+  };
+  writeConcern?: WriteConcern;
+
+  /** @event */
+  static readonly CLOSE = 'close';
+  /** @event */
+  static readonly ERROR = 'error';
+  /**
+   * `end()` was called and the write stream successfully wrote the file metadata and all the chunks to MongoDB.
+   * @event
+   */
+  static readonly FINISH = 'finish';
+
+  /**
+   * @param bucket - Handle for this stream's corresponding bucket
+   * @param filename - The value of the 'filename' key in the files doc
+   * @param options - Optional settings.
+   * @internal
+   */
+  constructor(bucket: GridFSBucket, filename: string, options?: GridFSBucketWriteStreamOptions) {
+    super();
+
+    options = options ?? {};
+    this.bucket = bucket;
+    this.chunks = bucket.s._chunksCollection;
+    this.filename = filename;
+    this.files = bucket.s._filesCollection;
+    this.options = options;
+    this.writeConcern = WriteConcern.fromOptions(options) || bucket.s.options.writeConcern;
+    // Signals the write is all done
+    this.done = false;
+
+    this.id = options.id ? options.id : new ObjectId();
+    // properly inherit the default chunksize from parent
+    this.chunkSizeBytes = options.chunkSizeBytes || this.bucket.s.options.chunkSizeBytes;
+    this.bufToStore = Buffer.alloc(this.chunkSizeBytes);
+    this.length = 0;
+    this.n = 0;
+    this.pos = 0;
+    this.state = {
+      streamEnd: false,
+      outstandingRequests: 0,
+      errored: false,
+      aborted: false
+    };
+
+    if (!this.bucket.s.calledOpenUploadStream) {
+      this.bucket.s.calledOpenUploadStream = true;
+
+      checkIndexes(this, () => {
+        this.bucket.s.checkedIndexes = true;
+        this.bucket.emit('index');
+      });
+    }
+  }
+
+  /**
+   * Write a buffer to the stream.
+   *
+   * @param chunk - Buffer to write
+   * @param encodingOrCallback - Optional encoding for the buffer
+   * @param callback - Function to call when the chunk was added to the buffer, or if the entire chunk was persisted to MongoDB if this chunk caused a flush.
+   * @returns False if this write required flushing a chunk to MongoDB. True otherwise.
+   */
+  override write(chunk: Buffer | string): boolean;
+  override write(chunk: Buffer | string, callback: Callback<void>): boolean;
+  override write(chunk: Buffer | string, encoding: BufferEncoding | undefined): boolean;
+  override write(
+    chunk: Buffer | string,
+    encoding: BufferEncoding | undefined,
+    callback: Callback<void>
+  ): boolean;
+  override write(
+    chunk: Buffer | string,
+    encodingOrCallback?: Callback<void> | BufferEncoding,
+    callback?: Callback<void>
+  ): boolean {
+    const encoding = typeof encodingOrCallback === 'function' ? undefined : encodingOrCallback;
+    callback = typeof encodingOrCallback === 'function' ? encodingOrCallback : callback;
+    return waitForIndexes(this, () => doWrite(this, chunk, encoding, callback));
+  }
+
+  // TODO(NODE-3405): Refactor this with maybePromise and MongoStreamClosedError
+  /**
+   * Places this write stream into an aborted state (all future writes fail)
+   * and deletes all chunks that have already been written.
+   *
+   * @param callback - called when chunks are successfully removed or error occurred
+   */
+  abort(): Promise<void>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  abort(callback: Callback<void>): void;
+  abort(callback?: Callback<void>): Promise<void> | void {
+    return maybePromise(callback, callback => {
+      if (this.state.streamEnd) {
+        // TODO(NODE-3485): Replace with MongoGridFSStreamClosed
+        return callback(new MongoAPIError('Cannot abort a stream that has already completed'));
+      }
+
+      if (this.state.aborted) {
+        // TODO(NODE-3485): Replace with MongoGridFSStreamClosed
+        return callback(new MongoAPIError('Cannot call abort() on a stream twice'));
+      }
+
+      this.state.aborted = true;
+      this.chunks.deleteMany({ files_id: this.id }, error => callback(error));
+    });
+  }
+
+  /**
+   * Tells the stream that no more data will be coming in. The stream will
+   * persist the remaining data to MongoDB, write the files document, and
+   * then emit a 'finish' event.
+   *
+   * @param chunk - Buffer to write
+   * @param encoding - Optional encoding for the buffer
+   * @param callback - Function to call when all files and chunks have been persisted to MongoDB
+   */
+  override end(): this;
+  override end(chunk: Buffer): this;
+  override end(callback: Callback<GridFSFile | void>): this;
+  override end(chunk: Buffer, callback: Callback<GridFSFile | void>): this;
+  override end(chunk: Buffer, encoding: BufferEncoding): this;
+  override end(
+    chunk: Buffer,
+    encoding: BufferEncoding | undefined,
+    callback: Callback<GridFSFile | void>
+  ): this;
+  override end(
+    chunkOrCallback?: Buffer | Callback<GridFSFile | void>,
+    encodingOrCallback?: BufferEncoding | Callback<GridFSFile | void>,
+    callback?: Callback<GridFSFile | void>
+  ): this {
+    const chunk = typeof chunkOrCallback === 'function' ? undefined : chunkOrCallback;
+    const encoding = typeof encodingOrCallback === 'function' ? undefined : encodingOrCallback;
+    callback =
+      typeof chunkOrCallback === 'function'
+        ? chunkOrCallback
+        : typeof encodingOrCallback === 'function'
+        ? encodingOrCallback
+        : callback;
+
+    if (this.state.streamEnd || checkAborted(this, callback)) return this;
+
+    this.state.streamEnd = true;
+
+    if (callback) {
+      this.once(GridFSBucketWriteStream.FINISH, (result: GridFSFile) => {
+        if (callback) callback(undefined, result);
+      });
+    }
+
+    if (!chunk) {
+      waitForIndexes(this, () => !!writeRemnant(this));
+      return this;
+    }
+
+    this.write(chunk, encoding, () => {
+      writeRemnant(this);
+    });
+
+    return this;
+  }
+}
+
+function __handleError(
+  stream: GridFSBucketWriteStream,
+  error: AnyError,
+  callback?: Callback
+): void {
+  if (stream.state.errored) {
+    return;
+  }
+  stream.state.errored = true;
+  if (callback) {
+    return callback(error);
+  }
+  stream.emit(GridFSBucketWriteStream.ERROR, error);
+}
+
+function createChunkDoc(filesId: ObjectId, n: number, data: Buffer): GridFSChunk {
+  return {
+    _id: new ObjectId(),
+    files_id: filesId,
+    n,
+    data
+  };
+}
+
+function checkChunksIndex(stream: GridFSBucketWriteStream, callback: Callback): void {
+  stream.chunks.listIndexes().toArray((error?: AnyError, indexes?: Document[]) => {
+    let index: { files_id: number; n: number };
+    if (error) {
+      // Collection doesn't exist so create index
+      if (error instanceof MongoError && error.code === MONGODB_ERROR_CODES.NamespaceNotFound) {
+        index = { files_id: 1, n: 1 };
+        stream.chunks.createIndex(index, { background: false, unique: true }, error => {
+          if (error) {
+            return callback(error);
+          }
+
+          callback();
+        });
+        return;
+      }
+      return callback(error);
+    }
+
+    let hasChunksIndex = false;
+    if (indexes) {
+      indexes.forEach((index: Document) => {
+        if (index.key) {
+          const keys = Object.keys(index.key);
+          if (keys.length === 2 && index.key.files_id === 1 && index.key.n === 1) {
+            hasChunksIndex = true;
+          }
+        }
+      });
+    }
+
+    if (hasChunksIndex) {
+      callback();
+    } else {
+      index = { files_id: 1, n: 1 };
+      const writeConcernOptions = getWriteOptions(stream);
+
+      stream.chunks.createIndex(
+        index,
+        {
+          ...writeConcernOptions,
+          background: true,
+          unique: true
+        },
+        callback
+      );
+    }
+  });
+}
+
+function checkDone(stream: GridFSBucketWriteStream, callback?: Callback): boolean {
+  if (stream.done) return true;
+  if (stream.state.streamEnd && stream.state.outstandingRequests === 0 && !stream.state.errored) {
+    // Set done so we do not trigger duplicate createFilesDoc
+    stream.done = true;
+    // Create a new files doc
+    const filesDoc = createFilesDoc(
+      stream.id,
+      stream.length,
+      stream.chunkSizeBytes,
+      stream.filename,
+      stream.options.contentType,
+      stream.options.aliases,
+      stream.options.metadata
+    );
+
+    if (checkAborted(stream, callback)) {
+      return false;
+    }
+
+    stream.files.insertOne(filesDoc, getWriteOptions(stream), (error?: AnyError) => {
+      if (error) {
+        return __handleError(stream, error, callback);
+      }
+      stream.emit(GridFSBucketWriteStream.FINISH, filesDoc);
+      stream.emit(GridFSBucketWriteStream.CLOSE);
+    });
+
+    return true;
+  }
+
+  return false;
+}
+
+function checkIndexes(stream: GridFSBucketWriteStream, callback: Callback): void {
+  stream.files.findOne({}, { projection: { _id: 1 } }, (error, doc) => {
+    if (error) {
+      return callback(error);
+    }
+    if (doc) {
+      return callback();
+    }
+
+    stream.files.listIndexes().toArray((error?: AnyError, indexes?: Document) => {
+      let index: { filename: number; uploadDate: number };
+      if (error) {
+        // Collection doesn't exist so create index
+        if (error instanceof MongoError && error.code === MONGODB_ERROR_CODES.NamespaceNotFound) {
+          index = { filename: 1, uploadDate: 1 };
+          stream.files.createIndex(index, { background: false }, (error?: AnyError) => {
+            if (error) {
+              return callback(error);
+            }
+
+            checkChunksIndex(stream, callback);
+          });
+          return;
+        }
+        return callback(error);
+      }
+
+      let hasFileIndex = false;
+      if (indexes) {
+        indexes.forEach((index: Document) => {
+          const keys = Object.keys(index.key);
+          if (keys.length === 2 && index.key.filename === 1 && index.key.uploadDate === 1) {
+            hasFileIndex = true;
+          }
+        });
+      }
+
+      if (hasFileIndex) {
+        checkChunksIndex(stream, callback);
+      } else {
+        index = { filename: 1, uploadDate: 1 };
+
+        const writeConcernOptions = getWriteOptions(stream);
+
+        stream.files.createIndex(
+          index,
+          {
+            ...writeConcernOptions,
+            background: false
+          },
+          (error?: AnyError) => {
+            if (error) {
+              return callback(error);
+            }
+
+            checkChunksIndex(stream, callback);
+          }
+        );
+      }
+    });
+  });
+}
+
+function createFilesDoc(
+  _id: ObjectId,
+  length: number,
+  chunkSize: number,
+  filename: string,
+  contentType?: string,
+  aliases?: string[],
+  metadata?: Document
+): GridFSFile {
+  const ret: GridFSFile = {
+    _id,
+    length,
+    chunkSize,
+    uploadDate: new Date(),
+    filename
+  };
+
+  if (contentType) {
+    ret.contentType = contentType;
+  }
+
+  if (aliases) {
+    ret.aliases = aliases;
+  }
+
+  if (metadata) {
+    ret.metadata = metadata;
+  }
+
+  return ret;
+}
+
+function doWrite(
+  stream: GridFSBucketWriteStream,
+  chunk: Buffer | string,
+  encoding?: BufferEncoding,
+  callback?: Callback<void>
+): boolean {
+  if (checkAborted(stream, callback)) {
+    return false;
+  }
+
+  const inputBuf = Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk, encoding);
+
+  stream.length += inputBuf.length;
+
+  // Input is small enough to fit in our buffer
+  if (stream.pos + inputBuf.length < stream.chunkSizeBytes) {
+    inputBuf.copy(stream.bufToStore, stream.pos);
+    stream.pos += inputBuf.length;
+
+    callback && callback();
+
+    // Note that we reverse the typical semantics of write's return value
+    // to be compatible with node's `.pipe()` function.
+    // True means client can keep writing.
+    return true;
+  }
+
+  // Otherwise, buffer is too big for current chunk, so we need to flush
+  // to MongoDB.
+  let inputBufRemaining = inputBuf.length;
+  let spaceRemaining: number = stream.chunkSizeBytes - stream.pos;
+  let numToCopy = Math.min(spaceRemaining, inputBuf.length);
+  let outstandingRequests = 0;
+  while (inputBufRemaining > 0) {
+    const inputBufPos = inputBuf.length - inputBufRemaining;
+    inputBuf.copy(stream.bufToStore, stream.pos, inputBufPos, inputBufPos + numToCopy);
+    stream.pos += numToCopy;
+    spaceRemaining -= numToCopy;
+    let doc: GridFSChunk;
+    if (spaceRemaining === 0) {
+      doc = createChunkDoc(stream.id, stream.n, Buffer.from(stream.bufToStore));
+      ++stream.state.outstandingRequests;
+      ++outstandingRequests;
+
+      if (checkAborted(stream, callback)) {
+        return false;
+      }
+
+      stream.chunks.insertOne(doc, getWriteOptions(stream), (error?: AnyError) => {
+        if (error) {
+          return __handleError(stream, error);
+        }
+        --stream.state.outstandingRequests;
+        --outstandingRequests;
+
+        if (!outstandingRequests) {
+          stream.emit('drain', doc);
+          callback && callback();
+          checkDone(stream);
+        }
+      });
+
+      spaceRemaining = stream.chunkSizeBytes;
+      stream.pos = 0;
+      ++stream.n;
+    }
+    inputBufRemaining -= numToCopy;
+    numToCopy = Math.min(spaceRemaining, inputBufRemaining);
+  }
+
+  // Note that we reverse the typical semantics of write's return value
+  // to be compatible with node's `.pipe()` function.
+  // False means the client should wait for the 'drain' event.
+  return false;
+}
+
+function getWriteOptions(stream: GridFSBucketWriteStream): WriteConcernOptions {
+  const obj: WriteConcernOptions = {};
+  if (stream.writeConcern) {
+    obj.writeConcern = {
+      w: stream.writeConcern.w,
+      wtimeout: stream.writeConcern.wtimeout,
+      j: stream.writeConcern.j
+    };
+  }
+  return obj;
+}
+
+function waitForIndexes(
+  stream: GridFSBucketWriteStream,
+  callback: (res: boolean) => boolean
+): boolean {
+  if (stream.bucket.s.checkedIndexes) {
+    return callback(false);
+  }
+
+  stream.bucket.once('index', () => {
+    callback(true);
+  });
+
+  return true;
+}
+
+function writeRemnant(stream: GridFSBucketWriteStream, callback?: Callback): boolean {
+  // Buffer is empty, so don't bother to insert
+  if (stream.pos === 0) {
+    return checkDone(stream, callback);
+  }
+
+  ++stream.state.outstandingRequests;
+
+  // Create a new buffer to make sure the buffer isn't bigger than it needs
+  // to be.
+  const remnant = Buffer.alloc(stream.pos);
+  stream.bufToStore.copy(remnant, 0, 0, stream.pos);
+  const doc = createChunkDoc(stream.id, stream.n, remnant);
+
+  // If the stream was aborted, do not write remnant
+  if (checkAborted(stream, callback)) {
+    return false;
+  }
+
+  stream.chunks.insertOne(doc, getWriteOptions(stream), (error?: AnyError) => {
+    if (error) {
+      return __handleError(stream, error);
+    }
+    --stream.state.outstandingRequests;
+    checkDone(stream);
+  });
+  return true;
+}
+
+function checkAborted(stream: GridFSBucketWriteStream, callback?: Callback<void>): boolean {
+  if (stream.state.aborted) {
+    if (typeof callback === 'function') {
+      // TODO(NODE-3485): Replace with MongoGridFSStreamClosedError
+      callback(new MongoAPIError('Stream has been aborted'));
+    }
+    return true;
+  }
+  return false;
+}
diff --git a/node_modules/mongodb/src/index.ts b/node_modules/mongodb/src/index.ts
new file mode 100644
index 000000000..6dc03ef7c
--- /dev/null
+++ b/node_modules/mongodb/src/index.ts
@@ -0,0 +1,482 @@
+import { Admin } from './admin';
+import { ObjectId } from './bson';
+import { OrderedBulkOperation } from './bulk/ordered';
+import { UnorderedBulkOperation } from './bulk/unordered';
+import { ChangeStream } from './change_stream';
+import { Collection } from './collection';
+import { AbstractCursor } from './cursor/abstract_cursor';
+import { AggregationCursor } from './cursor/aggregation_cursor';
+import { FindCursor } from './cursor/find_cursor';
+import { ListCollectionsCursor } from './cursor/list_collections_cursor';
+import { ListIndexesCursor } from './cursor/list_indexes_cursor';
+import { Db } from './db';
+import { GridFSBucket } from './gridfs';
+import { GridFSBucketReadStream } from './gridfs/download';
+import { GridFSBucketWriteStream } from './gridfs/upload';
+import { Logger } from './logger';
+import { MongoClient } from './mongo_client';
+import { CancellationToken } from './mongo_types';
+import { PromiseProvider } from './promise_provider';
+import { ClientSession } from './sessions';
+
+/** @internal */
+export { BSON } from './bson';
+export {
+  Binary,
+  BSONRegExp,
+  BSONSymbol,
+  Code,
+  DBRef,
+  Decimal128,
+  Double,
+  Int32,
+  Long,
+  Map,
+  MaxKey,
+  MinKey,
+  ObjectId,
+  Timestamp
+} from './bson';
+export { ChangeStreamCursor } from './cursor/change_stream_cursor';
+/**
+ * @public
+ * @deprecated Please use `ObjectId`
+ */
+export const ObjectID = ObjectId;
+
+export { AnyBulkWriteOperation, BulkWriteOptions, MongoBulkWriteError } from './bulk/common';
+export {
+  MongoAPIError,
+  MongoAWSError,
+  MongoBatchReExecutionError,
+  MongoChangeStreamError,
+  MongoCompatibilityError,
+  MongoCursorExhaustedError,
+  MongoCursorInUseError,
+  MongoDecompressionError,
+  MongoDriverError,
+  MongoError,
+  MongoExpiredSessionError,
+  MongoGridFSChunkError,
+  MongoGridFSStreamError,
+  MongoInvalidArgumentError,
+  MongoKerberosError,
+  MongoMissingCredentialsError,
+  MongoMissingDependencyError,
+  MongoNetworkError,
+  MongoNetworkTimeoutError,
+  MongoNotConnectedError,
+  MongoParseError,
+  MongoRuntimeError,
+  MongoServerClosedError,
+  MongoServerError,
+  MongoServerSelectionError,
+  MongoSystemError,
+  MongoTailableCursorError,
+  MongoTopologyClosedError,
+  MongoTransactionError,
+  MongoUnexpectedServerResponseError,
+  MongoWriteConcernError
+} from './error';
+export {
+  AbstractCursor,
+  // Actual driver classes exported
+  Admin,
+  AggregationCursor,
+  CancellationToken,
+  ChangeStream,
+  ClientSession,
+  Collection,
+  Db,
+  FindCursor,
+  GridFSBucket,
+  GridFSBucketReadStream,
+  GridFSBucketWriteStream,
+  ListCollectionsCursor,
+  ListIndexesCursor,
+  Logger,
+  MongoClient,
+  OrderedBulkOperation,
+  UnorderedBulkOperation
+};
+
+// Deprecated, remove in next major
+export { PromiseProvider as Promise };
+
+// enums
+export { BatchType } from './bulk/common';
+export { GSSAPICanonicalizationValue } from './cmap/auth/gssapi';
+export { AuthMechanism } from './cmap/auth/providers';
+export { Compressor } from './cmap/wire_protocol/compression';
+export { CURSOR_FLAGS } from './cursor/abstract_cursor';
+export { AutoEncryptionLoggerLevel } from './deps';
+export { MongoErrorLabel } from './error';
+export { ExplainVerbosity } from './explain';
+export { LoggerLevel } from './logger';
+export { ServerApiVersion } from './mongo_client';
+export { BSONType } from './mongo_types';
+export { ReturnDocument } from './operations/find_and_modify';
+export { ProfilingLevel } from './operations/set_profiling_level';
+export { ReadConcernLevel } from './read_concern';
+export { ReadPreferenceMode } from './read_preference';
+export { ServerType, TopologyType } from './sdam/common';
+
+// Helper classes
+export { ReadConcern } from './read_concern';
+export { ReadPreference } from './read_preference';
+export { WriteConcern } from './write_concern';
+
+// events
+export {
+  CommandFailedEvent,
+  CommandStartedEvent,
+  CommandSucceededEvent
+} from './cmap/command_monitoring_events';
+export {
+  ConnectionCheckedInEvent,
+  ConnectionCheckedOutEvent,
+  ConnectionCheckOutFailedEvent,
+  ConnectionCheckOutStartedEvent,
+  ConnectionClosedEvent,
+  ConnectionCreatedEvent,
+  ConnectionPoolClearedEvent,
+  ConnectionPoolClosedEvent,
+  ConnectionPoolCreatedEvent,
+  ConnectionPoolMonitoringEvent,
+  ConnectionPoolReadyEvent,
+  ConnectionReadyEvent
+} from './cmap/connection_pool_events';
+export {
+  ServerClosedEvent,
+  ServerDescriptionChangedEvent,
+  ServerHeartbeatFailedEvent,
+  ServerHeartbeatStartedEvent,
+  ServerHeartbeatSucceededEvent,
+  ServerOpeningEvent,
+  TopologyClosedEvent,
+  TopologyDescriptionChangedEvent,
+  TopologyOpeningEvent
+} from './sdam/events';
+export { SrvPollingEvent } from './sdam/srv_polling';
+
+// type only exports below, these are removed from emitted JS
+export type { AdminPrivate } from './admin';
+export type { BSONSerializeOptions, Document } from './bson';
+export type { deserialize, serialize } from './bson';
+export type {
+  BulkResult,
+  BulkWriteOperationError,
+  BulkWriteResult,
+  DeleteManyModel,
+  DeleteOneModel,
+  InsertOneModel,
+  ReplaceOneModel,
+  UpdateManyModel,
+  UpdateOneModel,
+  WriteConcernError,
+  WriteError
+} from './bulk/common';
+export type {
+  Batch,
+  BulkOperationBase,
+  BulkOperationPrivate,
+  FindOperators,
+  WriteConcernErrorData
+} from './bulk/common';
+export type {
+  ChangeStreamCollModDocument,
+  ChangeStreamCreateDocument,
+  ChangeStreamCreateIndexDocument,
+  ChangeStreamDeleteDocument,
+  ChangeStreamDocument,
+  ChangeStreamDocumentCollectionUUID,
+  ChangeStreamDocumentCommon,
+  ChangeStreamDocumentKey,
+  ChangeStreamDocumentOperationDescription,
+  ChangeStreamDropDatabaseDocument,
+  ChangeStreamDropDocument,
+  ChangeStreamDropIndexDocument,
+  ChangeStreamEvents,
+  ChangeStreamInsertDocument,
+  ChangeStreamInvalidateDocument,
+  ChangeStreamNameSpace,
+  ChangeStreamOptions,
+  ChangeStreamRefineCollectionShardKeyDocument,
+  ChangeStreamRenameDocument,
+  ChangeStreamReplaceDocument,
+  ChangeStreamReshardCollectionDocument,
+  ChangeStreamShardCollectionDocument,
+  ChangeStreamUpdateDocument,
+  OperationTime,
+  PipeOptions,
+  ResumeOptions,
+  ResumeToken,
+  UpdateDescription
+} from './change_stream';
+export type {
+  AuthMechanismProperties,
+  MongoCredentials,
+  MongoCredentialsOptions
+} from './cmap/auth/mongo_credentials';
+export type {
+  BinMsg,
+  MessageHeader,
+  Msg,
+  OpMsgOptions,
+  OpQueryOptions,
+  OpResponseOptions,
+  Query,
+  Response,
+  WriteProtocolMessageType
+} from './cmap/commands';
+export type { LEGAL_TCP_SOCKET_OPTIONS, LEGAL_TLS_SOCKET_OPTIONS, Stream } from './cmap/connect';
+export type {
+  CommandOptions,
+  Connection,
+  ConnectionEvents,
+  ConnectionOptions,
+  DestroyOptions,
+  GetMoreOptions,
+  ProxyOptions,
+  QueryOptions
+} from './cmap/connection';
+export type {
+  CloseOptions,
+  ConnectionPool,
+  ConnectionPoolEvents,
+  ConnectionPoolOptions,
+  PoolState,
+  WaitQueueMember,
+  WithConnectionCallback
+} from './cmap/connection_pool';
+export type {
+  MessageStream,
+  MessageStreamOptions,
+  OperationDescription
+} from './cmap/message_stream';
+export type { ConnectionPoolMetrics } from './cmap/metrics';
+export type { StreamDescription, StreamDescriptionOptions } from './cmap/stream_description';
+export type { CompressorName } from './cmap/wire_protocol/compression';
+export type { CollectionOptions, CollectionPrivate, ModifyResult } from './collection';
+export type { MONGO_CLIENT_EVENTS } from './constants';
+export type {
+  AbstractCursorEvents,
+  AbstractCursorOptions,
+  CursorCloseOptions,
+  CursorFlag,
+  CursorStreamOptions
+} from './cursor/abstract_cursor';
+export type { InternalAbstractCursorOptions } from './cursor/abstract_cursor';
+export type { AggregationCursorOptions } from './cursor/aggregation_cursor';
+export type {
+  ChangeStreamAggregateRawResult,
+  ChangeStreamCursorOptions
+} from './cursor/change_stream_cursor';
+export type { DbOptions, DbPrivate } from './db';
+export type { AutoEncrypter, AutoEncryptionOptions, AutoEncryptionTlsOptions } from './deps';
+export type { Encrypter, EncrypterOptions } from './encrypter';
+export type { AnyError, ErrorDescription, MongoNetworkErrorOptions } from './error';
+export type { Explain, ExplainOptions, ExplainVerbosityLike } from './explain';
+export type {
+  GridFSBucketReadStreamOptions,
+  GridFSBucketReadStreamOptionsWithRevision,
+  GridFSBucketReadStreamPrivate,
+  GridFSFile
+} from './gridfs/download';
+export type { GridFSBucketEvents, GridFSBucketOptions, GridFSBucketPrivate } from './gridfs/index';
+export type { GridFSBucketWriteStreamOptions, GridFSChunk } from './gridfs/upload';
+export type { LoggerFunction, LoggerOptions } from './logger';
+export type {
+  Auth,
+  DriverInfo,
+  MongoClientEvents,
+  MongoClientOptions,
+  MongoClientPrivate,
+  MongoOptions,
+  PkFactory,
+  ServerApi,
+  SupportedNodeConnectionOptions,
+  SupportedSocketOptions,
+  SupportedTLSConnectionOptions,
+  SupportedTLSSocketOptions,
+  WithSessionCallback
+} from './mongo_client';
+export type {
+  CommonEvents,
+  EventsDescription,
+  GenericListener,
+  TypedEventEmitter
+} from './mongo_types';
+export type {
+  AcceptedFields,
+  AddToSetOperators,
+  AlternativeType,
+  ArrayElement,
+  ArrayOperator,
+  BitwiseFilter,
+  BSONTypeAlias,
+  Condition,
+  EnhancedOmit,
+  Filter,
+  FilterOperations,
+  FilterOperators,
+  Flatten,
+  InferIdType,
+  IntegerType,
+  IsAny,
+  Join,
+  KeysOfAType,
+  KeysOfOtherType,
+  MatchKeysAndValues,
+  NestedPaths,
+  NestedPathsOfType,
+  NonObjectIdLikeDocument,
+  NotAcceptedFields,
+  NumericType,
+  OneOrMore,
+  OnlyFieldsOfType,
+  OptionalId,
+  OptionalUnlessRequiredId,
+  Projection,
+  ProjectionOperators,
+  PropertyType,
+  PullAllOperator,
+  PullOperator,
+  PushOperator,
+  RegExpOrString,
+  RootFilterOperators,
+  SchemaMember,
+  SetFields,
+  UpdateFilter,
+  WithId,
+  WithoutId
+} from './mongo_types';
+export type { AddUserOptions, RoleSpecification } from './operations/add_user';
+export type {
+  AggregateOperation,
+  AggregateOptions,
+  DB_AGGREGATE_COLLECTION
+} from './operations/aggregate';
+export type {
+  CollationOptions,
+  CommandOperation,
+  CommandOperationOptions,
+  OperationParent
+} from './operations/command';
+export type { IndexInformationOptions } from './operations/common_functions';
+export type { CountOptions } from './operations/count';
+export type { CountDocumentsOptions } from './operations/count_documents';
+export type {
+  ClusteredCollectionOptions,
+  CreateCollectionOptions,
+  TimeSeriesCollectionOptions
+} from './operations/create_collection';
+export type { DeleteOptions, DeleteResult, DeleteStatement } from './operations/delete';
+export type { DistinctOptions } from './operations/distinct';
+export type { DropCollectionOptions, DropDatabaseOptions } from './operations/drop';
+export type { EstimatedDocumentCountOptions } from './operations/estimated_document_count';
+export type { EvalOptions } from './operations/eval';
+export type { ExecutionResult } from './operations/execute_operation';
+export type { FindOptions } from './operations/find';
+export type {
+  FindOneAndDeleteOptions,
+  FindOneAndReplaceOptions,
+  FindOneAndUpdateOptions
+} from './operations/find_and_modify';
+export type {
+  CreateIndexesOptions,
+  DropIndexesOptions,
+  IndexDescription,
+  IndexDirection,
+  IndexSpecification,
+  ListIndexesOptions
+} from './operations/indexes';
+export type { InsertManyResult, InsertOneOptions, InsertOneResult } from './operations/insert';
+export type { CollectionInfo, ListCollectionsOptions } from './operations/list_collections';
+export type { ListDatabasesOptions, ListDatabasesResult } from './operations/list_databases';
+export type {
+  FinalizeFunction,
+  MapFunction,
+  MapReduceOptions,
+  ReduceFunction
+} from './operations/map_reduce';
+export type { AbstractOperation, Hint, OperationOptions } from './operations/operation';
+export type { ProfilingLevelOptions } from './operations/profiling_level';
+export type { RemoveUserOptions } from './operations/remove_user';
+export type { RenameOptions } from './operations/rename';
+export type { RunCommandOptions } from './operations/run_command';
+export type { SetProfilingLevelOptions } from './operations/set_profiling_level';
+export type {
+  CollStats,
+  CollStatsOptions,
+  DbStatsOptions,
+  WiredTigerData
+} from './operations/stats';
+export type {
+  ReplaceOptions,
+  UpdateOptions,
+  UpdateResult,
+  UpdateStatement
+} from './operations/update';
+export type { ValidateCollectionOptions } from './operations/validate_collection';
+export type { ReadConcernLike } from './read_concern';
+export type {
+  HedgeOptions,
+  ReadPreferenceFromOptions,
+  ReadPreferenceLike,
+  ReadPreferenceLikeOptions,
+  ReadPreferenceOptions
+} from './read_preference';
+export type { ClusterTime, TimerQueue } from './sdam/common';
+export type {
+  Monitor,
+  MonitorEvents,
+  MonitorInterval,
+  MonitorIntervalOptions,
+  MonitorOptions,
+  MonitorPrivate,
+  RTTPinger,
+  RTTPingerOptions
+} from './sdam/monitor';
+export type { Server, ServerEvents, ServerOptions, ServerPrivate } from './sdam/server';
+export type {
+  ServerDescription,
+  ServerDescriptionOptions,
+  TagSet,
+  TopologyVersion
+} from './sdam/server_description';
+export type { ServerSelector } from './sdam/server_selection';
+export type { SrvPoller, SrvPollerEvents, SrvPollerOptions } from './sdam/srv_polling';
+export type {
+  ConnectOptions,
+  SelectServerOptions,
+  ServerCapabilities,
+  ServerSelectionCallback,
+  ServerSelectionRequest,
+  Topology,
+  TopologyEvents,
+  TopologyOptions,
+  TopologyPrivate
+} from './sdam/topology';
+export type { TopologyDescription, TopologyDescriptionOptions } from './sdam/topology_description';
+export type {
+  ClientSessionEvents,
+  ClientSessionOptions,
+  EndSessionOptions,
+  ServerSession,
+  ServerSessionId,
+  ServerSessionPool,
+  WithTransactionCallback
+} from './sessions';
+export type { Sort, SortDirection, SortDirectionForCmd, SortForCmd } from './sort';
+export type { Transaction, TransactionOptions, TxnState } from './transactions';
+export type {
+  BufferPool,
+  Callback,
+  ClientMetadata,
+  ClientMetadataOptions,
+  EventEmitterWithState,
+  HostAddress,
+  MongoDBNamespace
+} from './utils';
+export type { W, WriteConcernOptions, WriteConcernSettings } from './write_concern';
diff --git a/node_modules/mongodb/src/logger.ts b/node_modules/mongodb/src/logger.ts
new file mode 100644
index 000000000..22609c868
--- /dev/null
+++ b/node_modules/mongodb/src/logger.ts
@@ -0,0 +1,265 @@
+import { format } from 'util';
+
+import { MongoInvalidArgumentError } from './error';
+import { enumToString } from './utils';
+
+// Filters for classes
+const classFilters: any = {};
+let filteredClasses: any = {};
+let level: LoggerLevel;
+
+// Save the process id
+const pid = process.pid;
+
+// current logger
+// eslint-disable-next-line no-console
+let currentLogger: LoggerFunction = console.warn;
+
+/** @public */
+export const LoggerLevel = Object.freeze({
+  ERROR: 'error',
+  WARN: 'warn',
+  INFO: 'info',
+  DEBUG: 'debug',
+  error: 'error',
+  warn: 'warn',
+  info: 'info',
+  debug: 'debug'
+} as const);
+
+/** @public */
+export type LoggerLevel = typeof LoggerLevel[keyof typeof LoggerLevel];
+
+/** @public */
+export type LoggerFunction = (message?: any, ...optionalParams: any[]) => void;
+
+/** @public */
+export interface LoggerOptions {
+  logger?: LoggerFunction;
+  loggerLevel?: LoggerLevel;
+}
+
+/**
+ * @public
+ */
+export class Logger {
+  className: string;
+
+  /**
+   * Creates a new Logger instance
+   *
+   * @param className - The Class name associated with the logging instance
+   * @param options - Optional logging settings
+   */
+  constructor(className: string, options?: LoggerOptions) {
+    options = options ?? {};
+
+    // Current reference
+    this.className = className;
+
+    // Current logger
+    if (!(options.logger instanceof Logger) && typeof options.logger === 'function') {
+      currentLogger = options.logger;
+    }
+
+    // Set level of logging, default is error
+    if (options.loggerLevel) {
+      level = options.loggerLevel || LoggerLevel.ERROR;
+    }
+
+    // Add all class names
+    if (filteredClasses[this.className] == null) {
+      classFilters[this.className] = true;
+    }
+  }
+
+  /**
+   * Log a message at the debug level
+   *
+   * @param message - The message to log
+   * @param object - Additional meta data to log
+   */
+  debug(message: string, object?: unknown): void {
+    if (
+      this.isDebug() &&
+      ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+        (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))
+    ) {
+      const dateTime = new Date().getTime();
+      const msg = format('[%s-%s:%s] %s %s', 'DEBUG', this.className, pid, dateTime, message);
+      const state = {
+        type: LoggerLevel.DEBUG,
+        message,
+        className: this.className,
+        pid,
+        date: dateTime
+      } as any;
+
+      if (object) state.meta = object;
+      currentLogger(msg, state);
+    }
+  }
+
+  /**
+   * Log a message at the warn level
+   *
+   * @param message - The message to log
+   * @param object - Additional meta data to log
+   */
+  warn(message: string, object?: unknown): void {
+    if (
+      this.isWarn() &&
+      ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+        (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))
+    ) {
+      const dateTime = new Date().getTime();
+      const msg = format('[%s-%s:%s] %s %s', 'WARN', this.className, pid, dateTime, message);
+      const state = {
+        type: LoggerLevel.WARN,
+        message,
+        className: this.className,
+        pid,
+        date: dateTime
+      } as any;
+
+      if (object) state.meta = object;
+      currentLogger(msg, state);
+    }
+  }
+
+  /**
+   * Log a message at the info level
+   *
+   * @param message - The message to log
+   * @param object - Additional meta data to log
+   */
+  info(message: string, object?: unknown): void {
+    if (
+      this.isInfo() &&
+      ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+        (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))
+    ) {
+      const dateTime = new Date().getTime();
+      const msg = format('[%s-%s:%s] %s %s', 'INFO', this.className, pid, dateTime, message);
+      const state = {
+        type: LoggerLevel.INFO,
+        message,
+        className: this.className,
+        pid,
+        date: dateTime
+      } as any;
+
+      if (object) state.meta = object;
+      currentLogger(msg, state);
+    }
+  }
+
+  /**
+   * Log a message at the error level
+   *
+   * @param message - The message to log
+   * @param object - Additional meta data to log
+   */
+  error(message: string, object?: unknown): void {
+    if (
+      this.isError() &&
+      ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+        (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))
+    ) {
+      const dateTime = new Date().getTime();
+      const msg = format('[%s-%s:%s] %s %s', 'ERROR', this.className, pid, dateTime, message);
+      const state = {
+        type: LoggerLevel.ERROR,
+        message,
+        className: this.className,
+        pid,
+        date: dateTime
+      } as any;
+
+      if (object) state.meta = object;
+      currentLogger(msg, state);
+    }
+  }
+
+  /** Is the logger set at info level */
+  isInfo(): boolean {
+    return level === LoggerLevel.INFO || level === LoggerLevel.DEBUG;
+  }
+
+  /** Is the logger set at error level */
+  isError(): boolean {
+    return level === LoggerLevel.ERROR || level === LoggerLevel.INFO || level === LoggerLevel.DEBUG;
+  }
+
+  /** Is the logger set at error level */
+  isWarn(): boolean {
+    return (
+      level === LoggerLevel.ERROR ||
+      level === LoggerLevel.WARN ||
+      level === LoggerLevel.INFO ||
+      level === LoggerLevel.DEBUG
+    );
+  }
+
+  /** Is the logger set at debug level */
+  isDebug(): boolean {
+    return level === LoggerLevel.DEBUG;
+  }
+
+  /** Resets the logger to default settings, error and no filtered classes */
+  static reset(): void {
+    level = LoggerLevel.ERROR;
+    filteredClasses = {};
+  }
+
+  /** Get the current logger function */
+  static currentLogger(): LoggerFunction {
+    return currentLogger;
+  }
+
+  /**
+   * Set the current logger function
+   *
+   * @param logger - Custom logging function
+   */
+  static setCurrentLogger(logger: LoggerFunction): void {
+    if (typeof logger !== 'function') {
+      throw new MongoInvalidArgumentError('Current logger must be a function');
+    }
+
+    currentLogger = logger;
+  }
+
+  /**
+   * Filter log messages for a particular class
+   *
+   * @param type - The type of filter (currently only class)
+   * @param values - The filters to apply
+   */
+  static filter(type: string, values: string[]): void {
+    if (type === 'class' && Array.isArray(values)) {
+      filteredClasses = {};
+      values.forEach(x => (filteredClasses[x] = true));
+    }
+  }
+
+  /**
+   * Set the current log level
+   *
+   * @param newLevel - Set current log level (debug, warn, info, error)
+   */
+  static setLevel(newLevel: LoggerLevel): void {
+    if (
+      newLevel !== LoggerLevel.INFO &&
+      newLevel !== LoggerLevel.ERROR &&
+      newLevel !== LoggerLevel.DEBUG &&
+      newLevel !== LoggerLevel.WARN
+    ) {
+      throw new MongoInvalidArgumentError(
+        `Argument "newLevel" should be one of ${enumToString(LoggerLevel)}`
+      );
+    }
+
+    level = newLevel;
+  }
+}
diff --git a/node_modules/mongodb/src/mongo_client.ts b/node_modules/mongodb/src/mongo_client.ts
new file mode 100644
index 000000000..321b8a63f
--- /dev/null
+++ b/node_modules/mongodb/src/mongo_client.ts
@@ -0,0 +1,788 @@
+import type { TcpNetConnectOpts } from 'net';
+import type { ConnectionOptions as TLSConnectionOptions, TLSSocketOptions } from 'tls';
+
+import { BSONSerializeOptions, Document, resolveBSONOptions } from './bson';
+import { ChangeStream, ChangeStreamDocument, ChangeStreamOptions } from './change_stream';
+import type { AuthMechanismProperties, MongoCredentials } from './cmap/auth/mongo_credentials';
+import type { AuthMechanism } from './cmap/auth/providers';
+import type { LEGAL_TCP_SOCKET_OPTIONS, LEGAL_TLS_SOCKET_OPTIONS } from './cmap/connect';
+import type { Connection } from './cmap/connection';
+import type { CompressorName } from './cmap/wire_protocol/compression';
+import { parseOptions } from './connection_string';
+import type { MONGO_CLIENT_EVENTS } from './constants';
+import { Db, DbOptions } from './db';
+import type { AutoEncrypter, AutoEncryptionOptions } from './deps';
+import type { Encrypter } from './encrypter';
+import { MongoInvalidArgumentError } from './error';
+import type { Logger, LoggerLevel } from './logger';
+import { TypedEventEmitter } from './mongo_types';
+import { connect } from './operations/connect';
+import { PromiseProvider } from './promise_provider';
+import type { ReadConcern, ReadConcernLevel, ReadConcernLike } from './read_concern';
+import { ReadPreference, ReadPreferenceMode } from './read_preference';
+import type { TagSet } from './sdam/server_description';
+import { readPreferenceServerSelector } from './sdam/server_selection';
+import type { SrvPoller } from './sdam/srv_polling';
+import type { Topology, TopologyEvents } from './sdam/topology';
+import { ClientSession, ClientSessionOptions, ServerSessionPool } from './sessions';
+import {
+  Callback,
+  ClientMetadata,
+  HostAddress,
+  maybePromise,
+  MongoDBNamespace,
+  ns,
+  resolveOptions
+} from './utils';
+import type { W, WriteConcern, WriteConcernSettings } from './write_concern';
+
+/** @public */
+export const ServerApiVersion = Object.freeze({
+  v1: '1'
+} as const);
+
+/** @public */
+export type ServerApiVersion = typeof ServerApiVersion[keyof typeof ServerApiVersion];
+
+/** @public */
+export interface ServerApi {
+  version: ServerApiVersion;
+  strict?: boolean;
+  deprecationErrors?: boolean;
+}
+
+/** @public */
+export interface DriverInfo {
+  name?: string;
+  version?: string;
+  platform?: string;
+}
+
+/** @public */
+export interface Auth {
+  /** The username for auth */
+  username?: string;
+  /** The password for auth */
+  password?: string;
+}
+
+/** @public */
+export interface PkFactory {
+  createPk(): any; // TODO: when js-bson is typed, function should return some BSON type
+}
+
+/** @public */
+export type SupportedTLSConnectionOptions = Pick<
+  TLSConnectionOptions,
+  Extract<keyof TLSConnectionOptions, typeof LEGAL_TLS_SOCKET_OPTIONS[number]>
+>;
+
+/** @public */
+export type SupportedTLSSocketOptions = Pick<
+  TLSSocketOptions,
+  Extract<keyof TLSSocketOptions, typeof LEGAL_TLS_SOCKET_OPTIONS[number]>
+>;
+
+/** @public */
+export type SupportedSocketOptions = Pick<
+  TcpNetConnectOpts,
+  typeof LEGAL_TCP_SOCKET_OPTIONS[number]
+>;
+
+/** @public */
+export type SupportedNodeConnectionOptions = SupportedTLSConnectionOptions &
+  SupportedTLSSocketOptions &
+  SupportedSocketOptions;
+
+/**
+ * Describes all possible URI query options for the mongo client
+ * @public
+ * @see https://docs.mongodb.com/manual/reference/connection-string
+ */
+export interface MongoClientOptions extends BSONSerializeOptions, SupportedNodeConnectionOptions {
+  /** Specifies the name of the replica set, if the mongod is a member of a replica set. */
+  replicaSet?: string;
+  /** Enables or disables TLS/SSL for the connection. */
+  tls?: boolean;
+  /** A boolean to enable or disables TLS/SSL for the connection. (The ssl option is equivalent to the tls option.) */
+  ssl?: boolean;
+  /** Specifies the location of a local TLS Certificate */
+  tlsCertificateFile?: string;
+  /** Specifies the location of a local .pem file that contains either the client's TLS/SSL certificate and key or only the client's TLS/SSL key when tlsCertificateFile is used to provide the certificate. */
+  tlsCertificateKeyFile?: string;
+  /** Specifies the password to de-crypt the tlsCertificateKeyFile. */
+  tlsCertificateKeyFilePassword?: string;
+  /** Specifies the location of a local .pem file that contains the root certificate chain from the Certificate Authority. This file is used to validate the certificate presented by the mongod/mongos instance. */
+  tlsCAFile?: string;
+  /** Bypasses validation of the certificates presented by the mongod/mongos instance */
+  tlsAllowInvalidCertificates?: boolean;
+  /** Disables hostname validation of the certificate presented by the mongod/mongos instance. */
+  tlsAllowInvalidHostnames?: boolean;
+  /** Disables various certificate validations. */
+  tlsInsecure?: boolean;
+  /** The time in milliseconds to attempt a connection before timing out. */
+  connectTimeoutMS?: number;
+  /** The time in milliseconds to attempt a send or receive on a socket before the attempt times out. */
+  socketTimeoutMS?: number;
+  /** An array or comma-delimited string of compressors to enable network compression for communication between this client and a mongod/mongos instance. */
+  compressors?: CompressorName[] | string;
+  /** An integer that specifies the compression level if using zlib for network compression. */
+  zlibCompressionLevel?: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | undefined;
+  /** The maximum number of hosts to connect to when using an srv connection string, a setting of `0` means unlimited hosts */
+  srvMaxHosts?: number;
+  /**
+   * Modifies the srv URI to look like:
+   *
+   * `_{srvServiceName}._tcp.{hostname}.{domainname}`
+   *
+   * Querying this DNS URI is expected to respond with SRV records
+   */
+  srvServiceName?: string;
+  /** The maximum number of connections in the connection pool. */
+  maxPoolSize?: number;
+  /** The minimum number of connections in the connection pool. */
+  minPoolSize?: number;
+  /** The maximum number of connections that may be in the process of being established concurrently by the connection pool. */
+  maxConnecting?: number;
+  /** The maximum number of milliseconds that a connection can remain idle in the pool before being removed and closed. */
+  maxIdleTimeMS?: number;
+  /** The maximum time in milliseconds that a thread can wait for a connection to become available. */
+  waitQueueTimeoutMS?: number;
+  /** Specify a read concern for the collection (only MongoDB 3.2 or higher supported) */
+  readConcern?: ReadConcernLike;
+  /** The level of isolation */
+  readConcernLevel?: ReadConcernLevel;
+  /** Specifies the read preferences for this connection */
+  readPreference?: ReadPreferenceMode | ReadPreference;
+  /** Specifies, in seconds, how stale a secondary can be before the client stops using it for read operations. */
+  maxStalenessSeconds?: number;
+  /** Specifies the tags document as a comma-separated list of colon-separated key-value pairs.  */
+  readPreferenceTags?: TagSet[];
+  /** The auth settings for when connection to server. */
+  auth?: Auth;
+  /** Specify the database name associated with the user’s credentials. */
+  authSource?: string;
+  /** Specify the authentication mechanism that MongoDB will use to authenticate the connection. */
+  authMechanism?: AuthMechanism;
+  /** Specify properties for the specified authMechanism as a comma-separated list of colon-separated key-value pairs. */
+  authMechanismProperties?: AuthMechanismProperties;
+  /** The size (in milliseconds) of the latency window for selecting among multiple suitable MongoDB instances. */
+  localThresholdMS?: number;
+  /** Specifies how long (in milliseconds) to block for server selection before throwing an exception.  */
+  serverSelectionTimeoutMS?: number;
+  /** heartbeatFrequencyMS controls when the driver checks the state of the MongoDB deployment. Specify the interval (in milliseconds) between checks, counted from the end of the previous check until the beginning of the next one. */
+  heartbeatFrequencyMS?: number;
+  /** Sets the minimum heartbeat frequency. In the event that the driver has to frequently re-check a server's availability, it will wait at least this long since the previous check to avoid wasted effort. */
+  minHeartbeatFrequencyMS?: number;
+  /** The name of the application that created this MongoClient instance. MongoDB 3.4 and newer will print this value in the server log upon establishing each connection. It is also recorded in the slow query log and profile collections */
+  appName?: string;
+  /** Enables retryable reads. */
+  retryReads?: boolean;
+  /** Enable retryable writes. */
+  retryWrites?: boolean;
+  /** Allow a driver to force a Single topology type with a connection string containing one host */
+  directConnection?: boolean;
+  /** Instruct the driver it is connecting to a load balancer fronting a mongos like service */
+  loadBalanced?: boolean;
+  /**
+   * The write concern w value
+   * @deprecated Please use the `writeConcern` option instead
+   */
+  w?: W;
+  /**
+   * The write concern timeout
+   * @deprecated Please use the `writeConcern` option instead
+   */
+  wtimeoutMS?: number;
+  /**
+   * The journal write concern
+   * @deprecated Please use the `writeConcern` option instead
+   */
+  journal?: boolean;
+  /**
+   * A MongoDB WriteConcern, which describes the level of acknowledgement
+   * requested from MongoDB for write operations.
+   *
+   * @see https://docs.mongodb.com/manual/reference/write-concern/
+   */
+  writeConcern?: WriteConcern | WriteConcernSettings;
+  /** Validate mongod server certificate against Certificate Authority */
+  sslValidate?: boolean;
+  /** SSL Certificate file path. */
+  sslCA?: string;
+  /** SSL Certificate file path. */
+  sslCert?: string;
+  /** SSL Key file file path. */
+  sslKey?: string;
+  /** SSL Certificate pass phrase. */
+  sslPass?: string;
+  /** SSL Certificate revocation list file path. */
+  sslCRL?: string;
+  /** TCP Connection no delay */
+  noDelay?: boolean;
+  /** TCP Connection keep alive enabled */
+  keepAlive?: boolean;
+  /** The number of milliseconds to wait before initiating keepAlive on the TCP socket */
+  keepAliveInitialDelay?: number;
+  /** Force server to assign `_id` values instead of driver */
+  forceServerObjectId?: boolean;
+  /** Return document results as raw BSON buffers */
+  raw?: boolean;
+  /** A primary key factory function for generation of custom `_id` keys */
+  pkFactory?: PkFactory;
+  /**
+   * A Promise library class the application wishes to use such as Bluebird, must be ES6 compatible
+   * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+   */
+  promiseLibrary?: any;
+  /** The logging level */
+  loggerLevel?: LoggerLevel;
+  /** Custom logger object */
+  logger?: Logger;
+  /** Enable command monitoring for this client */
+  monitorCommands?: boolean;
+  /** Server API version */
+  serverApi?: ServerApi | ServerApiVersion;
+  /**
+   * Optionally enable client side auto encryption
+   *
+   * @remarks
+   *  Automatic encryption is an enterprise only feature that only applies to operations on a collection. Automatic encryption is not supported for operations on a database or view, and operations that are not bypassed will result in error
+   *  (see [libmongocrypt: Auto Encryption Allow-List](https://github.com/mongodb/specifications/blob/master/source/client-side-encryption/client-side-encryption.rst#libmongocrypt-auto-encryption-allow-list)). To bypass automatic encryption for all operations, set bypassAutoEncryption=true in AutoEncryptionOpts.
+   *
+   *  Automatic encryption requires the authenticated user to have the [listCollections privilege action](https://docs.mongodb.com/manual/reference/command/listCollections/#dbcmd.listCollections).
+   *
+   *  If a MongoClient with a limited connection pool size (i.e a non-zero maxPoolSize) is configured with AutoEncryptionOptions, a separate internal MongoClient is created if any of the following are true:
+   *  - AutoEncryptionOptions.keyVaultClient is not passed.
+   *  - AutoEncryptionOptions.bypassAutomaticEncryption is false.
+   *
+   * If an internal MongoClient is created, it is configured with the same options as the parent MongoClient except minPoolSize is set to 0 and AutoEncryptionOptions is omitted.
+   */
+  autoEncryption?: AutoEncryptionOptions;
+  /** Allows a wrapping driver to amend the client metadata generated by the driver to include information about the wrapping driver */
+  driverInfo?: DriverInfo;
+  /** Configures a Socks5 proxy host used for creating TCP connections. */
+  proxyHost?: string;
+  /** Configures a Socks5 proxy port used for creating TCP connections. */
+  proxyPort?: number;
+  /** Configures a Socks5 proxy username when the proxy in proxyHost requires username/password authentication. */
+  proxyUsername?: string;
+  /** Configures a Socks5 proxy password when the proxy in proxyHost requires username/password authentication. */
+  proxyPassword?: string;
+
+  /** @internal */
+  srvPoller?: SrvPoller;
+  /** @internal */
+  connectionType?: typeof Connection;
+
+  /** @internal */
+  [featureFlag: symbol]: any;
+}
+
+/** @public */
+export type WithSessionCallback = (session: ClientSession) => Promise<any>;
+
+/** @internal */
+export interface MongoClientPrivate {
+  url: string;
+  bsonOptions: BSONSerializeOptions;
+  namespace: MongoDBNamespace;
+  hasBeenClosed: boolean;
+  /**
+   * We keep a reference to the sessions that are acquired from the pool.
+   * - used to track and close all sessions in client.close() (which is non-standard behavior)
+   * - used to notify the leak checker in our tests if test author forgot to clean up explicit sessions
+   */
+  readonly activeSessions: Set<ClientSession>;
+  readonly sessionPool: ServerSessionPool;
+  readonly options: MongoOptions;
+  readonly readConcern?: ReadConcern;
+  readonly writeConcern?: WriteConcern;
+  readonly readPreference: ReadPreference;
+  readonly logger: Logger;
+  readonly isMongoClient: true;
+}
+
+/** @public */
+export type MongoClientEvents = Pick<TopologyEvents, typeof MONGO_CLIENT_EVENTS[number]> & {
+  // In previous versions the open event emitted a topology, in an effort to no longer
+  // expose internals but continue to expose this useful event API, it now emits a mongoClient
+  open(mongoClient: MongoClient): void;
+};
+
+/** @internal */
+const kOptions = Symbol('options');
+
+/**
+ * The **MongoClient** class is a class that allows for making Connections to MongoDB.
+ * @public
+ *
+ * @remarks
+ * The programmatically provided options take precedence over the URI options.
+ *
+ * @example
+ * ```ts
+ * import { MongoClient } from 'mongodb';
+ *
+ * // Enable command monitoring for debugging
+ * const client = new MongoClient('mongodb://localhost:27017', { monitorCommands: true });
+ *
+ * client.on('commandStarted', started => console.log(started));
+ * client.db().collection('pets');
+ * await client.insertOne({ name: 'spot', kind: 'dog' });
+ * ```
+ */
+export class MongoClient extends TypedEventEmitter<MongoClientEvents> {
+  /** @internal */
+  s: MongoClientPrivate;
+  /** @internal */
+  topology?: Topology;
+
+  /**
+   * The consolidate, parsed, transformed and merged options.
+   * @internal
+   */
+  [kOptions]: MongoOptions;
+
+  constructor(url: string, options?: MongoClientOptions) {
+    super();
+
+    this[kOptions] = parseOptions(url, this, options);
+
+    // eslint-disable-next-line @typescript-eslint/no-this-alias
+    const client = this;
+
+    // The internal state
+    this.s = {
+      url,
+      bsonOptions: resolveBSONOptions(this[kOptions]),
+      namespace: ns('admin'),
+      hasBeenClosed: false,
+      sessionPool: new ServerSessionPool(this),
+      activeSessions: new Set(),
+
+      get options() {
+        return client[kOptions];
+      },
+      get readConcern() {
+        return client[kOptions].readConcern;
+      },
+      get writeConcern() {
+        return client[kOptions].writeConcern;
+      },
+      get readPreference() {
+        return client[kOptions].readPreference;
+      },
+      get logger() {
+        return client[kOptions].logger;
+      },
+      get isMongoClient(): true {
+        return true;
+      }
+    };
+  }
+
+  get options(): Readonly<MongoOptions> {
+    return Object.freeze({ ...this[kOptions] });
+  }
+
+  get serverApi(): Readonly<ServerApi | undefined> {
+    return this[kOptions].serverApi && Object.freeze({ ...this[kOptions].serverApi });
+  }
+  /**
+   * Intended for APM use only
+   * @internal
+   */
+  get monitorCommands(): boolean {
+    return this[kOptions].monitorCommands;
+  }
+  set monitorCommands(value: boolean) {
+    this[kOptions].monitorCommands = value;
+  }
+
+  get autoEncrypter(): AutoEncrypter | undefined {
+    return this[kOptions].autoEncrypter;
+  }
+
+  get readConcern(): ReadConcern | undefined {
+    return this.s.readConcern;
+  }
+
+  get writeConcern(): WriteConcern | undefined {
+    return this.s.writeConcern;
+  }
+
+  get readPreference(): ReadPreference {
+    return this.s.readPreference;
+  }
+
+  get bsonOptions(): BSONSerializeOptions {
+    return this.s.bsonOptions;
+  }
+
+  get logger(): Logger {
+    return this.s.logger;
+  }
+
+  /**
+   * Connect to MongoDB using a url
+   *
+   * @see docs.mongodb.org/manual/reference/connection-string/
+   */
+  connect(): Promise<this>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  connect(callback: Callback<this>): void;
+  connect(callback?: Callback<this>): Promise<this> | void {
+    if (callback && typeof callback !== 'function') {
+      throw new MongoInvalidArgumentError('Method `connect` only accepts a callback');
+    }
+
+    return maybePromise(callback, cb => {
+      connect(this, this[kOptions], err => {
+        if (err) return cb(err);
+        cb(undefined, this);
+      });
+    });
+  }
+
+  /**
+   * Close the db and its underlying connections
+   *
+   * @param force - Force close, emitting no events
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  close(): Promise<void>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  close(callback: Callback<void>): void;
+  close(force: boolean): Promise<void>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  close(force: boolean, callback: Callback<void>): void;
+  close(
+    forceOrCallback?: boolean | Callback<void>,
+    callback?: Callback<void>
+  ): Promise<void> | void {
+    // There's no way to set hasBeenClosed back to false
+    Object.defineProperty(this.s, 'hasBeenClosed', {
+      value: true,
+      enumerable: true,
+      configurable: false,
+      writable: false
+    });
+
+    if (typeof forceOrCallback === 'function') {
+      callback = forceOrCallback;
+    }
+
+    const force = typeof forceOrCallback === 'boolean' ? forceOrCallback : false;
+
+    return maybePromise(callback, callback => {
+      if (this.topology == null) {
+        // Do not connect just to end sessions
+        return callback();
+      }
+
+      const activeSessionEnds = Array.from(this.s.activeSessions, session => session.endSession());
+      this.s.activeSessions.clear();
+
+      Promise.all(activeSessionEnds)
+        .then(() => {
+          if (this.topology == null) {
+            return;
+          }
+          // If we would attempt to select a server and get nothing back we short circuit
+          // to avoid the server selection timeout.
+          const selector = readPreferenceServerSelector(ReadPreference.primaryPreferred);
+          const topologyDescription = this.topology.description;
+          const serverDescriptions = Array.from(topologyDescription.servers.values());
+          const servers = selector(topologyDescription, serverDescriptions);
+          if (servers.length === 0) {
+            return;
+          }
+
+          const endSessions = Array.from(this.s.sessionPool.sessions, ({ id }) => id);
+          if (endSessions.length === 0) return;
+          return this.db('admin')
+            .command(
+              { endSessions },
+              { readPreference: ReadPreference.primaryPreferred, noResponse: true }
+            )
+            .catch(() => null); // outcome does not matter
+        })
+        .then(() => {
+          if (this.topology == null) {
+            return;
+          }
+          // clear out references to old topology
+          const topology = this.topology;
+          this.topology = undefined;
+
+          return new Promise<void>((resolve, reject) => {
+            topology.close({ force }, error => {
+              if (error) return reject(error);
+              const { encrypter } = this[kOptions];
+              if (encrypter) {
+                return encrypter.close(this, force, error => {
+                  if (error) return reject(error);
+                  resolve();
+                });
+              }
+              resolve();
+            });
+          });
+        })
+        .then(
+          () => callback(),
+          error => callback(error)
+        );
+    });
+  }
+
+  /**
+   * Create a new Db instance sharing the current socket connections.
+   *
+   * @param dbName - The name of the database we want to use. If not provided, use database name from connection string.
+   * @param options - Optional settings for Db construction
+   */
+  db(dbName?: string, options?: DbOptions): Db {
+    options = options ?? {};
+
+    // Default to db from connection string if not provided
+    if (!dbName) {
+      dbName = this.options.dbName;
+    }
+
+    // Copy the options and add out internal override of the not shared flag
+    const finalOptions = Object.assign({}, this[kOptions], options);
+
+    // Return the db object
+    const db = new Db(this, dbName, finalOptions);
+
+    // Return the database
+    return db;
+  }
+
+  /**
+   * Connect to MongoDB using a url
+   *
+   * @remarks
+   * The programmatically provided options take precedence over the URI options.
+   *
+   * @see https://docs.mongodb.org/manual/reference/connection-string/
+   */
+  static connect(url: string): Promise<MongoClient>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  static connect(url: string, callback: Callback<MongoClient>): void;
+  static connect(url: string, options: MongoClientOptions): Promise<MongoClient>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  static connect(url: string, options: MongoClientOptions, callback: Callback<MongoClient>): void;
+  static connect(
+    url: string,
+    options?: MongoClientOptions | Callback<MongoClient>,
+    callback?: Callback<MongoClient>
+  ): Promise<MongoClient> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    try {
+      // Create client
+      const mongoClient = new MongoClient(url, options);
+      // Execute the connect method
+      if (callback) {
+        return mongoClient.connect(callback);
+      } else {
+        return mongoClient.connect();
+      }
+    } catch (error) {
+      if (callback) {
+        return callback(error);
+      } else {
+        const PromiseConstructor = PromiseProvider.get() ?? Promise;
+        return PromiseConstructor.reject(error);
+      }
+    }
+  }
+
+  /** Starts a new session on the server */
+  startSession(): ClientSession;
+  startSession(options: ClientSessionOptions): ClientSession;
+  startSession(options?: ClientSessionOptions): ClientSession {
+    const session = new ClientSession(
+      this,
+      this.s.sessionPool,
+      { explicit: true, ...options },
+      this[kOptions]
+    );
+    this.s.activeSessions.add(session);
+    session.once('ended', () => {
+      this.s.activeSessions.delete(session);
+    });
+    return session;
+  }
+
+  /**
+   * Runs a given operation with an implicitly created session. The lifetime of the session
+   * will be handled without the need for user interaction.
+   *
+   * NOTE: presently the operation MUST return a Promise (either explicit or implicitly as an async function)
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An callback to execute with an implicitly created session
+   */
+  withSession(callback: WithSessionCallback): Promise<void>;
+  withSession(options: ClientSessionOptions, callback: WithSessionCallback): Promise<void>;
+  withSession(
+    optionsOrOperation?: ClientSessionOptions | WithSessionCallback,
+    callback?: WithSessionCallback
+  ): Promise<void> {
+    const options = {
+      // Always define an owner
+      owner: Symbol(),
+      // If it's an object inherit the options
+      ...(typeof optionsOrOperation === 'object' ? optionsOrOperation : {})
+    };
+
+    const withSessionCallback =
+      typeof optionsOrOperation === 'function' ? optionsOrOperation : callback;
+
+    if (withSessionCallback == null) {
+      throw new MongoInvalidArgumentError('Missing required callback parameter');
+    }
+
+    const session = this.startSession(options);
+    const PromiseConstructor = PromiseProvider.get() ?? Promise;
+
+    return PromiseConstructor.resolve()
+      .then(() => withSessionCallback(session))
+      .then(() => {
+        // Do not return the result of callback
+      })
+      .finally(() => {
+        session.endSession().catch(() => null);
+      });
+  }
+
+  /**
+   * Create a new Change Stream, watching for new changes (insertions, updates,
+   * replacements, deletions, and invalidations) in this cluster. Will ignore all
+   * changes to system collections, as well as the local, admin, and config databases.
+   *
+   * @remarks
+   * watch() accepts two generic arguments for distinct usecases:
+   * - The first is to provide the schema that may be defined for all the data within the current cluster
+   * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+   *
+   * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+   * @param options - Optional settings for the command
+   * @typeParam TSchema - Type of the data being detected by the change stream
+   * @typeParam TChange - Type of the whole change stream document emitted
+   */
+  watch<
+    TSchema extends Document = Document,
+    TChange extends Document = ChangeStreamDocument<TSchema>
+  >(pipeline: Document[] = [], options: ChangeStreamOptions = {}): ChangeStream<TSchema, TChange> {
+    // Allow optionally not specifying a pipeline
+    if (!Array.isArray(pipeline)) {
+      options = pipeline;
+      pipeline = [];
+    }
+
+    return new ChangeStream<TSchema, TChange>(this, pipeline, resolveOptions(this, options));
+  }
+
+  /** Return the mongo client logger */
+  getLogger(): Logger {
+    return this.s.logger;
+  }
+}
+
+/**
+ * Mongo Client Options
+ * @public
+ */
+export interface MongoOptions
+  extends Required<
+      Pick<
+        MongoClientOptions,
+        | 'autoEncryption'
+        | 'connectTimeoutMS'
+        | 'directConnection'
+        | 'driverInfo'
+        | 'forceServerObjectId'
+        | 'minHeartbeatFrequencyMS'
+        | 'heartbeatFrequencyMS'
+        | 'keepAlive'
+        | 'keepAliveInitialDelay'
+        | 'localThresholdMS'
+        | 'logger'
+        | 'maxConnecting'
+        | 'maxIdleTimeMS'
+        | 'maxPoolSize'
+        | 'minPoolSize'
+        | 'monitorCommands'
+        | 'noDelay'
+        | 'pkFactory'
+        | 'promiseLibrary'
+        | 'raw'
+        | 'replicaSet'
+        | 'retryReads'
+        | 'retryWrites'
+        | 'serverSelectionTimeoutMS'
+        | 'socketTimeoutMS'
+        | 'srvMaxHosts'
+        | 'srvServiceName'
+        | 'tlsAllowInvalidCertificates'
+        | 'tlsAllowInvalidHostnames'
+        | 'tlsInsecure'
+        | 'waitQueueTimeoutMS'
+        | 'zlibCompressionLevel'
+      >
+    >,
+    SupportedNodeConnectionOptions {
+  hosts: HostAddress[];
+  srvHost?: string;
+  credentials?: MongoCredentials;
+  readPreference: ReadPreference;
+  readConcern: ReadConcern;
+  loadBalanced: boolean;
+  serverApi: ServerApi;
+  compressors: CompressorName[];
+  writeConcern: WriteConcern;
+  dbName: string;
+  metadata: ClientMetadata;
+  autoEncrypter?: AutoEncrypter;
+  proxyHost?: string;
+  proxyPort?: number;
+  proxyUsername?: string;
+  proxyPassword?: string;
+  /** @internal */
+  connectionType?: typeof Connection;
+
+  /** @internal */
+  encrypter: Encrypter;
+  /** @internal */
+  userSpecifiedAuthSource: boolean;
+  /** @internal */
+  userSpecifiedReplicaSet: boolean;
+
+  /**
+   * # NOTE ABOUT TLS Options
+   *
+   * If set TLS enabled, equivalent to setting the ssl option.
+   *
+   * ### Additional options:
+   *
+   * |    nodejs option     | MongoDB equivalent                                       | type                                   |
+   * |:---------------------|--------------------------------------------------------- |:---------------------------------------|
+   * | `ca`                 | `sslCA`, `tlsCAFile`                                     | `string \| Buffer \| Buffer[]`         |
+   * | `crl`                | `sslCRL`                                                 | `string \| Buffer \| Buffer[]`         |
+   * | `cert`               | `sslCert`, `tlsCertificateFile`, `tlsCertificateKeyFile` | `string \| Buffer \| Buffer[]`         |
+   * | `key`                | `sslKey`, `tlsCertificateKeyFile`                        | `string \| Buffer \| KeyObject[]`      |
+   * | `passphrase`         | `sslPass`, `tlsCertificateKeyFilePassword`               | `string`                               |
+   * | `rejectUnauthorized` | `sslValidate`                                            | `boolean`                              |
+   *
+   */
+  tls: boolean;
+
+  /** @internal */
+  [featureFlag: symbol]: any;
+}
diff --git a/node_modules/mongodb/src/mongo_types.ts b/node_modules/mongodb/src/mongo_types.ts
new file mode 100644
index 000000000..124e9ce9e
--- /dev/null
+++ b/node_modules/mongodb/src/mongo_types.ts
@@ -0,0 +1,548 @@
+import type { ObjectIdLike } from 'bson';
+import { EventEmitter } from 'events';
+
+import type {
+  Binary,
+  BSONRegExp,
+  Decimal128,
+  Document,
+  Double,
+  Int32,
+  Long,
+  ObjectId,
+  Timestamp
+} from './bson';
+import type { Sort } from './sort';
+
+/** @internal */
+export type TODO_NODE_3286 = any;
+
+/** Given an object shaped type, return the type of the _id field or default to ObjectId @public */
+export type InferIdType<TSchema> = TSchema extends { _id: infer IdType }
+  ? // user has defined a type for _id
+    Record<any, never> extends IdType
+    ? never // explicitly forbid empty objects as the type of _id
+    : IdType
+  : TSchema extends { _id?: infer IdType }
+  ? // optional _id defined - return ObjectId | IdType
+    unknown extends IdType
+    ? ObjectId // infer the _id type as ObjectId if the type of _id is unknown
+    : IdType
+  : ObjectId; // user has not defined _id on schema
+
+/** Add an _id field to an object shaped type @public */
+export type WithId<TSchema> = EnhancedOmit<TSchema, '_id'> & { _id: InferIdType<TSchema> };
+
+/**
+ * Add an optional _id field to an object shaped type
+ * @public
+ */
+export type OptionalId<TSchema> = EnhancedOmit<TSchema, '_id'> & { _id?: InferIdType<TSchema> };
+
+/**
+ * Adds an optional _id field to an object shaped type, unless the _id field is requried on that type.
+ * In the case _id is required, this method continues to require_id.
+ *
+ * @public
+ *
+ * @privateRemarks
+ * `ObjectId extends TSchema['_id']` is a confusing ordering at first glance. Rather than ask
+ * `TSchema['_id'] extends ObjectId` which translated to "Is the _id property ObjectId?"
+ * we instead ask "Does ObjectId look like (have the same shape) as the _id?"
+ */
+export type OptionalUnlessRequiredId<TSchema> = TSchema extends { _id: any }
+  ? TSchema
+  : OptionalId<TSchema>;
+
+/** TypeScript Omit (Exclude to be specific) does not work for objects with an "any" indexed type, and breaks discriminated unions @public */
+export type EnhancedOmit<TRecordOrUnion, KeyUnion> = string extends keyof TRecordOrUnion
+  ? TRecordOrUnion // TRecordOrUnion has indexed type e.g. { _id: string; [k: string]: any; } or it is "any"
+  : TRecordOrUnion extends any
+  ? Pick<TRecordOrUnion, Exclude<keyof TRecordOrUnion, KeyUnion>> // discriminated unions
+  : never;
+
+/** Remove the _id field from an object shaped type @public */
+export type WithoutId<TSchema> = Omit<TSchema, '_id'>;
+
+/** A MongoDB filter can be some portion of the schema or a set of operators @public */
+export type Filter<TSchema> =
+  | Partial<TSchema>
+  | ({
+      [Property in Join<NestedPaths<WithId<TSchema>>, '.'>]?: Condition<
+        PropertyType<WithId<TSchema>, Property>
+      >;
+    } & RootFilterOperators<WithId<TSchema>>);
+
+/** @public */
+export type Condition<T> = AlternativeType<T> | FilterOperators<AlternativeType<T>>;
+
+/**
+ * It is possible to search using alternative types in mongodb e.g.
+ * string types can be searched using a regex in mongo
+ * array types can be searched using their element type
+ * @public
+ */
+export type AlternativeType<T> = T extends ReadonlyArray<infer U>
+  ? T | RegExpOrString<U>
+  : RegExpOrString<T>;
+
+/** @public */
+export type RegExpOrString<T> = T extends string ? BSONRegExp | RegExp | T : T;
+
+/** @public */
+export interface RootFilterOperators<TSchema> extends Document {
+  $and?: Filter<TSchema>[];
+  $nor?: Filter<TSchema>[];
+  $or?: Filter<TSchema>[];
+  $text?: {
+    $search: string;
+    $language?: string;
+    $caseSensitive?: boolean;
+    $diacriticSensitive?: boolean;
+  };
+  $where?: string | ((this: TSchema) => boolean);
+  $comment?: string | Document;
+}
+
+/**
+ * @public
+ * A type that extends Document but forbids anything that "looks like" an object id.
+ */
+export type NonObjectIdLikeDocument = {
+  [key in keyof ObjectIdLike]?: never;
+} & Document;
+
+/** @public */
+export interface FilterOperators<TValue> extends NonObjectIdLikeDocument {
+  // Comparison
+  $eq?: TValue;
+  $gt?: TValue;
+  $gte?: TValue;
+  $in?: ReadonlyArray<TValue>;
+  $lt?: TValue;
+  $lte?: TValue;
+  $ne?: TValue;
+  $nin?: ReadonlyArray<TValue>;
+  // Logical
+  $not?: TValue extends string ? FilterOperators<TValue> | RegExp : FilterOperators<TValue>;
+  // Element
+  /**
+   * When `true`, `$exists` matches the documents that contain the field,
+   * including documents where the field value is null.
+   */
+  $exists?: boolean;
+  $type?: BSONType | BSONTypeAlias;
+  // Evaluation
+  $expr?: Record<string, any>;
+  $jsonSchema?: Record<string, any>;
+  $mod?: TValue extends number ? [number, number] : never;
+  $regex?: TValue extends string ? RegExp | BSONRegExp | string : never;
+  $options?: TValue extends string ? string : never;
+  // Geospatial
+  $geoIntersects?: { $geometry: Document };
+  $geoWithin?: Document;
+  $near?: Document;
+  $nearSphere?: Document;
+  $maxDistance?: number;
+  // Array
+  $all?: ReadonlyArray<any>;
+  $elemMatch?: Document;
+  $size?: TValue extends ReadonlyArray<any> ? number : never;
+  // Bitwise
+  $bitsAllClear?: BitwiseFilter;
+  $bitsAllSet?: BitwiseFilter;
+  $bitsAnyClear?: BitwiseFilter;
+  $bitsAnySet?: BitwiseFilter;
+  $rand?: Record<string, never>;
+}
+
+/** @public */
+export type BitwiseFilter =
+  | number /** numeric bit mask */
+  | Binary /** BinData bit mask */
+  | ReadonlyArray<number>; /** `[ <position1>, <position2>, ... ]` */
+
+/** @public */
+export const BSONType = Object.freeze({
+  double: 1,
+  string: 2,
+  object: 3,
+  array: 4,
+  binData: 5,
+  undefined: 6,
+  objectId: 7,
+  bool: 8,
+  date: 9,
+  null: 10,
+  regex: 11,
+  dbPointer: 12,
+  javascript: 13,
+  symbol: 14,
+  javascriptWithScope: 15,
+  int: 16,
+  timestamp: 17,
+  long: 18,
+  decimal: 19,
+  minKey: -1,
+  maxKey: 127
+} as const);
+
+/** @public */
+export type BSONType = typeof BSONType[keyof typeof BSONType];
+/** @public */
+export type BSONTypeAlias = keyof typeof BSONType;
+
+/**
+ * @public
+ * Projection is flexible to permit the wide array of aggregation operators
+ * @deprecated since v4.1.0: Since projections support all aggregation operations we have no plans to narrow this type further
+ */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export type Projection<TSchema extends Document = Document> = Document;
+
+/**
+ * @public
+ * @deprecated since v4.1.0: Since projections support all aggregation operations we have no plans to narrow this type further
+ */
+export type ProjectionOperators = Document;
+
+/** @public */
+export type IsAny<Type, ResultIfAny, ResultIfNotAny> = true extends false & Type
+  ? ResultIfAny
+  : ResultIfNotAny;
+
+/** @public */
+export type Flatten<Type> = Type extends ReadonlyArray<infer Item> ? Item : Type;
+
+/** @public */
+export type ArrayElement<Type> = Type extends ReadonlyArray<infer Item> ? Item : never;
+
+/** @public */
+export type SchemaMember<T, V> = { [P in keyof T]?: V } | { [key: string]: V };
+
+/** @public */
+export type IntegerType = number | Int32 | Long;
+
+/** @public */
+export type NumericType = IntegerType | Decimal128 | Double;
+
+/** @public */
+export type FilterOperations<T> = T extends Record<string, any>
+  ? { [key in keyof T]?: FilterOperators<T[key]> }
+  : FilterOperators<T>;
+
+/** @public */
+export type KeysOfAType<TSchema, Type> = {
+  [key in keyof TSchema]: NonNullable<TSchema[key]> extends Type ? key : never;
+}[keyof TSchema];
+
+/** @public */
+export type KeysOfOtherType<TSchema, Type> = {
+  [key in keyof TSchema]: NonNullable<TSchema[key]> extends Type ? never : key;
+}[keyof TSchema];
+
+/** @public */
+export type AcceptedFields<TSchema, FieldType, AssignableType> = {
+  readonly [key in KeysOfAType<TSchema, FieldType>]?: AssignableType;
+};
+
+/** It avoids using fields with not acceptable types @public */
+export type NotAcceptedFields<TSchema, FieldType> = {
+  readonly [key in KeysOfOtherType<TSchema, FieldType>]?: never;
+};
+
+/** @public */
+export type OnlyFieldsOfType<TSchema, FieldType = any, AssignableType = FieldType> = IsAny<
+  TSchema[keyof TSchema],
+  Record<string, FieldType>,
+  AcceptedFields<TSchema, FieldType, AssignableType> &
+    NotAcceptedFields<TSchema, FieldType> &
+    Record<string, AssignableType>
+>;
+
+/** @public */
+export type MatchKeysAndValues<TSchema> = Readonly<
+  {
+    [Property in Join<NestedPaths<TSchema>, '.'>]?: PropertyType<TSchema, Property>;
+  } & {
+    [Property in `${NestedPathsOfType<TSchema, any[]>}.$${`[${string}]` | ''}`]?: ArrayElement<
+      PropertyType<TSchema, Property extends `${infer Key}.$${string}` ? Key : never>
+    >;
+  } & {
+    [Property in `${NestedPathsOfType<TSchema, Record<string, any>[]>}.$${
+      | `[${string}]`
+      | ''}.${string}`]?: any; // Could be further narrowed
+  }
+>;
+
+/** @public */
+export type AddToSetOperators<Type> = {
+  $each?: Array<Flatten<Type>>;
+};
+
+/** @public */
+export type ArrayOperator<Type> = {
+  $each?: Array<Flatten<Type>>;
+  $slice?: number;
+  $position?: number;
+  $sort?: Sort;
+};
+
+/** @public */
+export type SetFields<TSchema> = ({
+  readonly [key in KeysOfAType<TSchema, ReadonlyArray<any> | undefined>]?:
+    | OptionalId<Flatten<TSchema[key]>>
+    | AddToSetOperators<Array<OptionalId<Flatten<TSchema[key]>>>>;
+} & NotAcceptedFields<TSchema, ReadonlyArray<any> | undefined>) & {
+  readonly [key: string]: AddToSetOperators<any> | any;
+};
+
+/** @public */
+export type PushOperator<TSchema> = ({
+  readonly [key in KeysOfAType<TSchema, ReadonlyArray<any>>]?:
+    | Flatten<TSchema[key]>
+    | ArrayOperator<Array<Flatten<TSchema[key]>>>;
+} & NotAcceptedFields<TSchema, ReadonlyArray<any>>) & {
+  readonly [key: string]: ArrayOperator<any> | any;
+};
+
+/** @public */
+export type PullOperator<TSchema> = ({
+  readonly [key in KeysOfAType<TSchema, ReadonlyArray<any>>]?:
+    | Partial<Flatten<TSchema[key]>>
+    | FilterOperations<Flatten<TSchema[key]>>;
+} & NotAcceptedFields<TSchema, ReadonlyArray<any>>) & {
+  readonly [key: string]: FilterOperators<any> | any;
+};
+
+/** @public */
+export type PullAllOperator<TSchema> = ({
+  readonly [key in KeysOfAType<TSchema, ReadonlyArray<any>>]?: TSchema[key];
+} & NotAcceptedFields<TSchema, ReadonlyArray<any>>) & {
+  readonly [key: string]: ReadonlyArray<any>;
+};
+
+/** @public */
+export type UpdateFilter<TSchema> = {
+  $currentDate?: OnlyFieldsOfType<
+    TSchema,
+    Date | Timestamp,
+    true | { $type: 'date' | 'timestamp' }
+  >;
+  $inc?: OnlyFieldsOfType<TSchema, NumericType | undefined>;
+  $min?: MatchKeysAndValues<TSchema>;
+  $max?: MatchKeysAndValues<TSchema>;
+  $mul?: OnlyFieldsOfType<TSchema, NumericType | undefined>;
+  $rename?: Record<string, string>;
+  $set?: MatchKeysAndValues<TSchema>;
+  $setOnInsert?: MatchKeysAndValues<TSchema>;
+  $unset?: OnlyFieldsOfType<TSchema, any, '' | true | 1>;
+  $addToSet?: SetFields<TSchema>;
+  $pop?: OnlyFieldsOfType<TSchema, ReadonlyArray<any>, 1 | -1>;
+  $pull?: PullOperator<TSchema>;
+  $push?: PushOperator<TSchema>;
+  $pullAll?: PullAllOperator<TSchema>;
+  $bit?: OnlyFieldsOfType<
+    TSchema,
+    NumericType | undefined,
+    { and: IntegerType } | { or: IntegerType } | { xor: IntegerType }
+  >;
+} & Document;
+
+/** @public */
+export type Nullable<AnyType> = AnyType | null | undefined;
+
+/** @public */
+export type OneOrMore<T> = T | ReadonlyArray<T>;
+
+/** @public */
+export type GenericListener = (...args: any[]) => void;
+
+/**
+ * Event description type
+ * @public
+ */
+export type EventsDescription = Record<string, GenericListener>;
+
+/** @public */
+export type CommonEvents = 'newListener' | 'removeListener';
+
+/**
+ * Typescript type safe event emitter
+ * @public
+ */
+export declare interface TypedEventEmitter<Events extends EventsDescription> extends EventEmitter {
+  addListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+  addListener(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  addListener(event: string | symbol, listener: GenericListener): this;
+
+  on<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+  on(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  on(event: string | symbol, listener: GenericListener): this;
+
+  once<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+  once(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  once(event: string | symbol, listener: GenericListener): this;
+
+  removeListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+  removeListener(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  removeListener(event: string | symbol, listener: GenericListener): this;
+
+  off<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+  off(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  off(event: string | symbol, listener: GenericListener): this;
+
+  removeAllListeners<EventKey extends keyof Events>(
+    event?: EventKey | CommonEvents | symbol | string
+  ): this;
+
+  listeners<EventKey extends keyof Events>(
+    event: EventKey | CommonEvents | symbol | string
+  ): Events[EventKey][];
+
+  rawListeners<EventKey extends keyof Events>(
+    event: EventKey | CommonEvents | symbol | string
+  ): Events[EventKey][];
+
+  emit<EventKey extends keyof Events>(
+    event: EventKey | symbol,
+    ...args: Parameters<Events[EventKey]>
+  ): boolean;
+
+  listenerCount<EventKey extends keyof Events>(
+    type: EventKey | CommonEvents | symbol | string
+  ): number;
+
+  prependListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+  prependListener(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  prependListener(event: string | symbol, listener: GenericListener): this;
+
+  prependOnceListener<EventKey extends keyof Events>(
+    event: EventKey,
+    listener: Events[EventKey]
+  ): this;
+  prependOnceListener(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  prependOnceListener(event: string | symbol, listener: GenericListener): this;
+
+  eventNames(): string[];
+  getMaxListeners(): number;
+  setMaxListeners(n: number): this;
+}
+
+/**
+ * Typescript type safe event emitter
+ * @public
+ */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export class TypedEventEmitter<Events extends EventsDescription> extends EventEmitter {}
+
+/** @public */
+export class CancellationToken extends TypedEventEmitter<{ cancel(): void }> {}
+
+/**
+ * Helper types for dot-notation filter attributes
+ */
+
+/** @public */
+export type Join<T extends unknown[], D extends string> = T extends []
+  ? ''
+  : T extends [string | number]
+  ? `${T[0]}`
+  : T extends [string | number, ...infer R]
+  ? `${T[0]}${D}${Join<R, D>}`
+  : string;
+
+/** @public */
+export type PropertyType<Type, Property extends string> = string extends Property
+  ? unknown
+  : Property extends keyof Type
+  ? Type[Property]
+  : Property extends `${number}`
+  ? Type extends ReadonlyArray<infer ArrayType>
+    ? ArrayType
+    : unknown
+  : Property extends `${infer Key}.${infer Rest}`
+  ? Key extends `${number}`
+    ? Type extends ReadonlyArray<infer ArrayType>
+      ? PropertyType<ArrayType, Rest>
+      : unknown
+    : Key extends keyof Type
+    ? Type[Key] extends Map<string, infer MapType>
+      ? MapType
+      : PropertyType<Type[Key], Rest>
+    : unknown
+  : unknown;
+
+/**
+ * @public
+ * returns tuple of strings (keys to be joined on '.') that represent every path into a schema
+ * https://docs.mongodb.com/manual/tutorial/query-embedded-documents/
+ */
+export type NestedPaths<Type> = Type extends
+  | string
+  | number
+  | boolean
+  | Date
+  | RegExp
+  | Buffer
+  | Uint8Array
+  | ((...args: any[]) => any)
+  | { _bsontype: string }
+  ? []
+  : Type extends ReadonlyArray<infer ArrayType>
+  ? [] | [number, ...NestedPaths<ArrayType>]
+  : Type extends Map<string, any>
+  ? [string]
+  : Type extends object
+  ? {
+      [Key in Extract<keyof Type, string>]: Type[Key] extends Type // type of value extends the parent
+        ? [Key]
+        : // for a recursive union type, the child will never extend the parent type.
+        // but the parent will still extend the child
+        Type extends Type[Key]
+        ? [Key]
+        : Type[Key] extends ReadonlyArray<infer ArrayType> // handling recursive types with arrays
+        ? Type extends ArrayType // is the type of the parent the same as the type of the array?
+          ? [Key] // yes, it's a recursive array type
+          : // for unions, the child type extends the parent
+          ArrayType extends Type
+          ? [Key] // we have a recursive array union
+          : // child is an array, but it's not a recursive array
+            [Key, ...NestedPaths<Type[Key]>]
+        : // child is not structured the same as the parent
+          [Key, ...NestedPaths<Type[Key]>] | [Key];
+    }[Extract<keyof Type, string>]
+  : [];
+
+/**
+ * @public
+ * returns keys (strings) for every path into a schema with a value of type
+ * https://docs.mongodb.com/manual/tutorial/query-embedded-documents/
+ */
+export type NestedPathsOfType<TSchema, Type> = KeysOfAType<
+  {
+    [Property in Join<NestedPaths<TSchema>, '.'>]: PropertyType<TSchema, Property>;
+  },
+  Type
+>;
diff --git a/node_modules/mongodb/src/operations/add_user.ts b/node_modules/mongodb/src/operations/add_user.ts
new file mode 100644
index 000000000..3d0c08e79
--- /dev/null
+++ b/node_modules/mongodb/src/operations/add_user.ts
@@ -0,0 +1,118 @@
+import * as crypto from 'crypto';
+
+import type { Document } from '../bson';
+import type { Db } from '../db';
+import { MongoInvalidArgumentError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, emitWarningOnce, getTopology } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface RoleSpecification {
+  /**
+   * A role grants privileges to perform sets of actions on defined resources.
+   * A given role applies to the database on which it is defined and can grant access down to a collection level of granularity.
+   */
+  role: string;
+  /** The database this user's role should effect. */
+  db: string;
+}
+
+/** @public */
+export interface AddUserOptions extends CommandOperationOptions {
+  /** @deprecated Please use db.command('createUser', ...) instead for this option */
+  digestPassword?: null;
+  /** Roles associated with the created user */
+  roles?: string | string[] | RoleSpecification | RoleSpecification[];
+  /** Custom data associated with the user (only Mongodb 2.6 or higher) */
+  customData?: Document;
+}
+
+/** @internal */
+export class AddUserOperation extends CommandOperation<Document> {
+  override options: AddUserOptions;
+  db: Db;
+  username: string;
+  password?: string;
+
+  constructor(db: Db, username: string, password: string | undefined, options?: AddUserOptions) {
+    super(db, options);
+
+    this.db = db;
+    this.username = username;
+    this.password = password;
+    this.options = options ?? {};
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const db = this.db;
+    const username = this.username;
+    const password = this.password;
+    const options = this.options;
+
+    // Error out if digestPassword set
+    if (options.digestPassword != null) {
+      return callback(
+        new MongoInvalidArgumentError(
+          'Option "digestPassword" not supported via addUser, use db.command(...) instead'
+        )
+      );
+    }
+
+    let roles;
+    if (!options.roles || (Array.isArray(options.roles) && options.roles.length === 0)) {
+      emitWarningOnce(
+        'Creating a user without roles is deprecated. Defaults to "root" if db is "admin" or "dbOwner" otherwise'
+      );
+      if (db.databaseName.toLowerCase() === 'admin') {
+        roles = ['root'];
+      } else {
+        roles = ['dbOwner'];
+      }
+    } else {
+      roles = Array.isArray(options.roles) ? options.roles : [options.roles];
+    }
+
+    let topology;
+    try {
+      topology = getTopology(db);
+    } catch (error) {
+      return callback(error);
+    }
+
+    const digestPassword = topology.lastHello().maxWireVersion >= 7;
+
+    let userPassword = password;
+
+    if (!digestPassword) {
+      // Use node md5 generator
+      const md5 = crypto.createHash('md5');
+      // Generate keys used for authentication
+      md5.update(`${username}:mongo:${password}`);
+      userPassword = md5.digest('hex');
+    }
+
+    // Build the command to execute
+    const command: Document = {
+      createUser: username,
+      customData: options.customData || {},
+      roles: roles,
+      digestPassword
+    };
+
+    // No password
+    if (typeof password === 'string') {
+      command.pwd = userPassword;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+defineAspects(AddUserOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongodb/src/operations/aggregate.ts b/node_modules/mongodb/src/operations/aggregate.ts
new file mode 100644
index 000000000..1acc6ac62
--- /dev/null
+++ b/node_modules/mongodb/src/operations/aggregate.ts
@@ -0,0 +1,144 @@
+import type { Document } from '../bson';
+import { MongoInvalidArgumentError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, maxWireVersion, MongoDBNamespace } from '../utils';
+import { CollationOptions, CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects, Hint } from './operation';
+
+/** @internal */
+export const DB_AGGREGATE_COLLECTION = 1 as const;
+const MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT = 8 as const;
+
+/** @public */
+export interface AggregateOptions extends CommandOperationOptions {
+  /** allowDiskUse lets the server know if it can use disk to store temporary results for the aggregation (requires mongodb 2.6 \>). */
+  allowDiskUse?: boolean;
+  /** The number of documents to return per batch. See [aggregation documentation](https://docs.mongodb.com/manual/reference/command/aggregate). */
+  batchSize?: number;
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** Return the query as cursor, on 2.6 \> it returns as a real cursor on pre 2.6 it returns as an emulated cursor. */
+  cursor?: Document;
+  /** specifies a cumulative time limit in milliseconds for processing operations on the cursor. MongoDB interrupts the operation at the earliest following interrupt point. */
+  maxTimeMS?: number;
+  /** The maximum amount of time for the server to wait on new documents to satisfy a tailable cursor query. */
+  maxAwaitTimeMS?: number;
+  /** Specify collation. */
+  collation?: CollationOptions;
+  /** Add an index selection hint to an aggregation command */
+  hint?: Hint;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+
+  out?: string;
+}
+
+/** @internal */
+export class AggregateOperation<T = Document> extends CommandOperation<T> {
+  override options: AggregateOptions;
+  target: string | typeof DB_AGGREGATE_COLLECTION;
+  pipeline: Document[];
+  hasWriteStage: boolean;
+
+  constructor(ns: MongoDBNamespace, pipeline: Document[], options?: AggregateOptions) {
+    super(undefined, { ...options, dbName: ns.db });
+
+    this.options = options ?? {};
+
+    // Covers when ns.collection is null, undefined or the empty string, use DB_AGGREGATE_COLLECTION
+    this.target = ns.collection || DB_AGGREGATE_COLLECTION;
+
+    this.pipeline = pipeline;
+
+    // determine if we have a write stage, override read preference if so
+    this.hasWriteStage = false;
+    if (typeof options?.out === 'string') {
+      this.pipeline = this.pipeline.concat({ $out: options.out });
+      this.hasWriteStage = true;
+    } else if (pipeline.length > 0) {
+      const finalStage = pipeline[pipeline.length - 1];
+      if (finalStage.$out || finalStage.$merge) {
+        this.hasWriteStage = true;
+      }
+    }
+
+    if (this.hasWriteStage) {
+      this.trySecondaryWrite = true;
+    }
+
+    if (this.explain && this.writeConcern) {
+      throw new MongoInvalidArgumentError(
+        'Option "explain" cannot be used on an aggregate call with writeConcern'
+      );
+    }
+
+    if (options?.cursor != null && typeof options.cursor !== 'object') {
+      throw new MongoInvalidArgumentError('Cursor options must be an object');
+    }
+  }
+
+  override get canRetryRead(): boolean {
+    return !this.hasWriteStage;
+  }
+
+  addToPipeline(stage: Document): void {
+    this.pipeline.push(stage);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<T>
+  ): void {
+    const options: AggregateOptions = this.options;
+    const serverWireVersion = maxWireVersion(server);
+    const command: Document = { aggregate: this.target, pipeline: this.pipeline };
+
+    if (this.hasWriteStage && serverWireVersion < MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT) {
+      this.readConcern = undefined;
+    }
+
+    if (serverWireVersion >= 5) {
+      if (this.hasWriteStage && this.writeConcern) {
+        Object.assign(command, { writeConcern: this.writeConcern });
+      }
+    }
+
+    if (options.bypassDocumentValidation === true) {
+      command.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+
+    if (typeof options.allowDiskUse === 'boolean') {
+      command.allowDiskUse = options.allowDiskUse;
+    }
+
+    if (options.hint) {
+      command.hint = options.hint;
+    }
+
+    if (options.let) {
+      command.let = options.let;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      command.comment = options.comment;
+    }
+
+    command.cursor = options.cursor || {};
+    if (options.batchSize && !this.hasWriteStage) {
+      command.cursor.batchSize = options.batchSize;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+defineAspects(AggregateOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.EXPLAINABLE,
+  Aspect.CURSOR_CREATING
+]);
diff --git a/node_modules/mongodb/src/operations/bulk_write.ts b/node_modules/mongodb/src/operations/bulk_write.ts
new file mode 100644
index 000000000..627dc709a
--- /dev/null
+++ b/node_modules/mongodb/src/operations/bulk_write.ts
@@ -0,0 +1,67 @@
+import type {
+  AnyBulkWriteOperation,
+  BulkOperationBase,
+  BulkWriteOptions,
+  BulkWriteResult
+} from '../bulk/common';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractOperation, Aspect, defineAspects } from './operation';
+
+/** @internal */
+export class BulkWriteOperation extends AbstractOperation<BulkWriteResult> {
+  override options: BulkWriteOptions;
+  collection: Collection;
+  operations: AnyBulkWriteOperation[];
+
+  constructor(
+    collection: Collection,
+    operations: AnyBulkWriteOperation[],
+    options: BulkWriteOptions
+  ) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+    this.operations = operations;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<BulkWriteResult>
+  ): void {
+    const coll = this.collection;
+    const operations = this.operations;
+    const options = { ...this.options, ...this.bsonOptions, readPreference: this.readPreference };
+
+    // Create the bulk operation
+    const bulk: BulkOperationBase =
+      options.ordered === false
+        ? coll.initializeUnorderedBulkOp(options)
+        : coll.initializeOrderedBulkOp(options);
+
+    // for each op go through and add to the bulk
+    try {
+      for (let i = 0; i < operations.length; i++) {
+        bulk.raw(operations[i]);
+      }
+    } catch (err) {
+      return callback(err);
+    }
+
+    // Execute the bulk
+    bulk.execute({ ...options, session }, (err, r) => {
+      // We have connection level error
+      if (!r && err) {
+        return callback(err);
+      }
+
+      // Return the results
+      callback(undefined, r);
+    });
+  }
+}
+
+defineAspects(BulkWriteOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongodb/src/operations/collections.ts b/node_modules/mongodb/src/operations/collections.ts
new file mode 100644
index 000000000..8b314865a
--- /dev/null
+++ b/node_modules/mongodb/src/operations/collections.ts
@@ -0,0 +1,48 @@
+import { Collection } from '../collection';
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractOperation, OperationOptions } from './operation';
+
+export interface CollectionsOptions extends OperationOptions {
+  nameOnly?: boolean;
+}
+
+/** @internal */
+export class CollectionsOperation extends AbstractOperation<Collection[]> {
+  override options: CollectionsOptions;
+  db: Db;
+
+  constructor(db: Db, options: CollectionsOptions) {
+    super(options);
+    this.options = options;
+    this.db = db;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Collection[]>
+  ): void {
+    const db = this.db;
+
+    // Let's get the collection names
+    db.listCollections(
+      {},
+      { ...this.options, nameOnly: true, readPreference: this.readPreference, session }
+    ).toArray((err, documents) => {
+      if (err || !documents) return callback(err);
+      // Filter collections removing any illegal ones
+      documents = documents.filter(doc => doc.name.indexOf('$') === -1);
+
+      // Return the collection objects
+      callback(
+        undefined,
+        documents.map(d => {
+          return new Collection(db, d.name, db.s.options);
+        })
+      );
+    });
+  }
+}
diff --git a/node_modules/mongodb/src/operations/command.ts b/node_modules/mongodb/src/operations/command.ts
new file mode 100644
index 000000000..57186ab42
--- /dev/null
+++ b/node_modules/mongodb/src/operations/command.ts
@@ -0,0 +1,193 @@
+import type { BSONSerializeOptions, Document } from '../bson';
+import { MongoCompatibilityError, MongoInvalidArgumentError } from '../error';
+import { Explain, ExplainOptions } from '../explain';
+import type { Logger } from '../logger';
+import { ReadConcern } from '../read_concern';
+import type { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import { MIN_SECONDARY_WRITE_WIRE_VERSION } from '../sdam/server_selection';
+import type { ClientSession } from '../sessions';
+import {
+  Callback,
+  commandSupportsReadConcern,
+  decorateWithExplain,
+  maxWireVersion,
+  MongoDBNamespace
+} from '../utils';
+import { WriteConcern, WriteConcernOptions } from '../write_concern';
+import type { ReadConcernLike } from './../read_concern';
+import { AbstractOperation, Aspect, OperationOptions } from './operation';
+
+const SUPPORTS_WRITE_CONCERN_AND_COLLATION = 5;
+
+/** @public */
+export interface CollationOptions {
+  locale: string;
+  caseLevel?: boolean;
+  caseFirst?: string;
+  strength?: number;
+  numericOrdering?: boolean;
+  alternate?: string;
+  maxVariable?: string;
+  backwards?: boolean;
+  normalization?: boolean;
+}
+
+/** @public */
+export interface CommandOperationOptions
+  extends OperationOptions,
+    WriteConcernOptions,
+    ExplainOptions {
+  /** @deprecated This option does nothing */
+  fullResponse?: boolean;
+  /** Specify a read concern and level for the collection. (only MongoDB 3.2 or higher supported) */
+  readConcern?: ReadConcernLike;
+  /** Collation */
+  collation?: CollationOptions;
+  maxTimeMS?: number;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions pre-4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+   */
+  comment?: unknown;
+  /** Should retry failed writes */
+  retryWrites?: boolean;
+
+  // Admin command overrides.
+  dbName?: string;
+  authdb?: string;
+  noResponse?: boolean;
+}
+
+/** @internal */
+export interface OperationParent {
+  s: { namespace: MongoDBNamespace };
+  readConcern?: ReadConcern;
+  writeConcern?: WriteConcern;
+  readPreference?: ReadPreference;
+  logger?: Logger;
+  bsonOptions?: BSONSerializeOptions;
+}
+
+/** @internal */
+export abstract class CommandOperation<T> extends AbstractOperation<T> {
+  override options: CommandOperationOptions;
+  readConcern?: ReadConcern;
+  writeConcern?: WriteConcern;
+  explain?: Explain;
+  logger?: Logger;
+
+  constructor(parent?: OperationParent, options?: CommandOperationOptions) {
+    super(options);
+    this.options = options ?? {};
+
+    // NOTE: this was explicitly added for the add/remove user operations, it's likely
+    //       something we'd want to reconsider. Perhaps those commands can use `Admin`
+    //       as a parent?
+    const dbNameOverride = options?.dbName || options?.authdb;
+    if (dbNameOverride) {
+      this.ns = new MongoDBNamespace(dbNameOverride, '$cmd');
+    } else {
+      this.ns = parent
+        ? parent.s.namespace.withCollection('$cmd')
+        : new MongoDBNamespace('admin', '$cmd');
+    }
+
+    this.readConcern = ReadConcern.fromOptions(options);
+    this.writeConcern = WriteConcern.fromOptions(options);
+
+    // TODO(NODE-2056): make logger another "inheritable" property
+    if (parent && parent.logger) {
+      this.logger = parent.logger;
+    }
+
+    if (this.hasAspect(Aspect.EXPLAINABLE)) {
+      this.explain = Explain.fromOptions(options);
+    } else if (options?.explain != null) {
+      throw new MongoInvalidArgumentError(`Option "explain" is not supported on this command`);
+    }
+  }
+
+  override get canRetryWrite(): boolean {
+    if (this.hasAspect(Aspect.EXPLAINABLE)) {
+      return this.explain == null;
+    }
+    return true;
+  }
+
+  abstract override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<T>
+  ): void;
+
+  executeCommand(
+    server: Server,
+    session: ClientSession | undefined,
+    cmd: Document,
+    callback: Callback
+  ): void {
+    // TODO: consider making this a non-enumerable property
+    this.server = server;
+
+    const options = {
+      ...this.options,
+      ...this.bsonOptions,
+      readPreference: this.readPreference,
+      session
+    };
+
+    const serverWireVersion = maxWireVersion(server);
+    const inTransaction = this.session && this.session.inTransaction();
+
+    if (this.readConcern && commandSupportsReadConcern(cmd) && !inTransaction) {
+      Object.assign(cmd, { readConcern: this.readConcern });
+    }
+
+    if (this.trySecondaryWrite && serverWireVersion < MIN_SECONDARY_WRITE_WIRE_VERSION) {
+      options.omitReadPreference = true;
+    }
+
+    if (options.collation && serverWireVersion < SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+      callback(
+        new MongoCompatibilityError(
+          `Server ${server.name}, which reports wire version ${serverWireVersion}, does not support collation`
+        )
+      );
+      return;
+    }
+
+    if (this.writeConcern && this.hasAspect(Aspect.WRITE_OPERATION) && !inTransaction) {
+      Object.assign(cmd, { writeConcern: this.writeConcern });
+    }
+
+    if (serverWireVersion >= SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+      if (
+        options.collation &&
+        typeof options.collation === 'object' &&
+        !this.hasAspect(Aspect.SKIP_COLLATION)
+      ) {
+        Object.assign(cmd, { collation: options.collation });
+      }
+    }
+
+    if (typeof options.maxTimeMS === 'number') {
+      cmd.maxTimeMS = options.maxTimeMS;
+    }
+
+    if (this.hasAspect(Aspect.EXPLAINABLE) && this.explain) {
+      if (serverWireVersion < 6 && cmd.aggregate) {
+        // Prior to 3.6, with aggregate, verbosity is ignored, and we must pass in "explain: true"
+        cmd.explain = true;
+      } else {
+        cmd = decorateWithExplain(cmd, this.explain);
+      }
+    }
+
+    server.command(this.ns, cmd, options, callback);
+  }
+}
diff --git a/node_modules/mongodb/src/operations/common_functions.ts b/node_modules/mongodb/src/operations/common_functions.ts
new file mode 100644
index 000000000..a439aca7e
--- /dev/null
+++ b/node_modules/mongodb/src/operations/common_functions.ts
@@ -0,0 +1,102 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Db } from '../db';
+import { MongoTopologyClosedError } from '../error';
+import type { ReadPreference } from '../read_preference';
+import type { ClientSession } from '../sessions';
+import { Callback, getTopology } from '../utils';
+
+/** @public */
+export interface IndexInformationOptions {
+  full?: boolean;
+  readPreference?: ReadPreference;
+  session?: ClientSession;
+}
+/**
+ * Retrieves this collections index info.
+ *
+ * @param db - The Db instance on which to retrieve the index info.
+ * @param name - The name of the collection.
+ */
+export function indexInformation(db: Db, name: string, callback: Callback): void;
+export function indexInformation(
+  db: Db,
+  name: string,
+  options: IndexInformationOptions,
+  callback?: Callback
+): void;
+export function indexInformation(
+  db: Db,
+  name: string,
+  _optionsOrCallback: IndexInformationOptions | Callback,
+  _callback?: Callback
+): void {
+  let options = _optionsOrCallback as IndexInformationOptions;
+  let callback = _callback as Callback;
+  if ('function' === typeof _optionsOrCallback) {
+    callback = _optionsOrCallback;
+    options = {};
+  }
+  // If we specified full information
+  const full = options.full == null ? false : options.full;
+
+  let topology;
+  try {
+    topology = getTopology(db);
+  } catch (error) {
+    return callback(error);
+  }
+
+  // Did the user destroy the topology
+  if (topology.isDestroyed()) return callback(new MongoTopologyClosedError());
+  // Process all the results from the index command and collection
+  function processResults(indexes: any) {
+    // Contains all the information
+    const info: any = {};
+    // Process all the indexes
+    for (let i = 0; i < indexes.length; i++) {
+      const index = indexes[i];
+      // Let's unpack the object
+      info[index.name] = [];
+      for (const name in index.key) {
+        info[index.name].push([name, index.key[name]]);
+      }
+    }
+
+    return info;
+  }
+
+  // Get the list of indexes of the specified collection
+  db.collection(name)
+    .listIndexes(options)
+    .toArray((err, indexes) => {
+      if (err) return callback(err);
+      if (!Array.isArray(indexes)) return callback(undefined, []);
+      if (full) return callback(undefined, indexes);
+      callback(undefined, processResults(indexes));
+    });
+}
+
+export function prepareDocs(
+  coll: Collection,
+  docs: Document[],
+  options: { forceServerObjectId?: boolean }
+): Document[] {
+  const forceServerObjectId =
+    typeof options.forceServerObjectId === 'boolean'
+      ? options.forceServerObjectId
+      : coll.s.db.options?.forceServerObjectId;
+
+  // no need to modify the docs if server sets the ObjectId
+  if (forceServerObjectId === true) {
+    return docs;
+  }
+
+  return docs.map(doc => {
+    if (doc._id == null) {
+      doc._id = coll.s.pkFactory.createPk();
+    }
+
+    return doc;
+  });
+}
diff --git a/node_modules/mongodb/src/operations/connect.ts b/node_modules/mongodb/src/operations/connect.ts
new file mode 100644
index 000000000..a71e95867
--- /dev/null
+++ b/node_modules/mongodb/src/operations/connect.ts
@@ -0,0 +1,107 @@
+import { resolveSRVRecord } from '../connection_string';
+import { MONGO_CLIENT_EVENTS } from '../constants';
+import { MongoInvalidArgumentError, MongoRuntimeError } from '../error';
+import type { MongoClient, MongoOptions } from '../mongo_client';
+import { Topology } from '../sdam/topology';
+import type { Callback } from '../utils';
+
+export function connect(
+  mongoClient: MongoClient,
+  options: MongoOptions,
+  callback: Callback<MongoClient>
+): void {
+  if (!callback) {
+    throw new MongoInvalidArgumentError('Callback function must be provided');
+  }
+
+  // If a connection already been established, we can terminate early
+  if (mongoClient.topology && mongoClient.topology.isConnected()) {
+    return callback(undefined, mongoClient);
+  }
+
+  const logger = mongoClient.logger;
+  const connectCallback: Callback = err => {
+    const warningMessage =
+      'seed list contains no mongos proxies, replicaset connections requires ' +
+      'the parameter replicaSet to be supplied in the URI or options object, ' +
+      'mongodb://server:port/db?replicaSet=name';
+    if (err && err.message === 'no mongos proxies found in seed list') {
+      if (logger.isWarn()) {
+        logger.warn(warningMessage);
+      }
+
+      // Return a more specific error message for MongoClient.connect
+      // TODO(NODE-3483)
+      return callback(new MongoRuntimeError(warningMessage));
+    }
+
+    callback(err, mongoClient);
+  };
+
+  if (typeof options.srvHost === 'string') {
+    return resolveSRVRecord(options, (err, hosts) => {
+      if (err || !hosts) return callback(err);
+      for (const [index, host] of hosts.entries()) {
+        options.hosts[index] = host;
+      }
+
+      return createTopology(mongoClient, options, connectCallback);
+    });
+  }
+
+  return createTopology(mongoClient, options, connectCallback);
+}
+
+function createTopology(
+  mongoClient: MongoClient,
+  options: MongoOptions,
+  callback: Callback<Topology>
+) {
+  // Create the topology
+  const topology = new Topology(options.hosts, options);
+  // Events can be emitted before initialization is complete so we have to
+  // save the reference to the topology on the client ASAP if the event handlers need to access it
+  mongoClient.topology = topology;
+  topology.client = mongoClient;
+
+  topology.once(Topology.OPEN, () => mongoClient.emit('open', mongoClient));
+
+  for (const event of MONGO_CLIENT_EVENTS) {
+    topology.on(event, (...args: any[]) => mongoClient.emit(event, ...(args as any)));
+  }
+
+  // initialize CSFLE if requested
+  if (mongoClient.autoEncrypter) {
+    mongoClient.autoEncrypter.init(err => {
+      if (err) {
+        return callback(err);
+      }
+
+      topology.connect(options, err => {
+        if (err) {
+          topology.close({ force: true });
+          return callback(err);
+        }
+
+        options.encrypter.connectInternalClient(error => {
+          if (error) return callback(error);
+
+          callback(undefined, topology);
+        });
+      });
+    });
+
+    return;
+  }
+
+  // otherwise connect normally
+  topology.connect(options, err => {
+    if (err) {
+      topology.close({ force: true });
+      return callback(err);
+    }
+
+    callback(undefined, topology);
+    return;
+  });
+}
diff --git a/node_modules/mongodb/src/operations/count.ts b/node_modules/mongodb/src/operations/count.ts
new file mode 100644
index 000000000..8d94b84ea
--- /dev/null
+++ b/node_modules/mongodb/src/operations/count.ts
@@ -0,0 +1,68 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback, MongoDBNamespace } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface CountOptions extends CommandOperationOptions {
+  /** The number of documents to skip. */
+  skip?: number;
+  /** The maximum amounts to count before aborting. */
+  limit?: number;
+  /** Number of milliseconds to wait before aborting the query. */
+  maxTimeMS?: number;
+  /** An index name hint for the query. */
+  hint?: string | Document;
+}
+
+/** @internal */
+export class CountOperation extends CommandOperation<number> {
+  override options: CountOptions;
+  collectionName?: string;
+  query: Document;
+
+  constructor(namespace: MongoDBNamespace, filter: Document, options: CountOptions) {
+    super({ s: { namespace: namespace } } as unknown as Collection, options);
+
+    this.options = options;
+    this.collectionName = namespace.collection;
+    this.query = filter;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<number>
+  ): void {
+    const options = this.options;
+    const cmd: Document = {
+      count: this.collectionName,
+      query: this.query
+    };
+
+    if (typeof options.limit === 'number') {
+      cmd.limit = options.limit;
+    }
+
+    if (typeof options.skip === 'number') {
+      cmd.skip = options.skip;
+    }
+
+    if (options.hint != null) {
+      cmd.hint = options.hint;
+    }
+
+    if (typeof options.maxTimeMS === 'number') {
+      cmd.maxTimeMS = options.maxTimeMS;
+    }
+
+    super.executeCommand(server, session, cmd, (err, result) => {
+      callback(err, result ? result.n : 0);
+    });
+  }
+}
+
+defineAspects(CountOperation, [Aspect.READ_OPERATION, Aspect.RETRYABLE]);
diff --git a/node_modules/mongodb/src/operations/count_documents.ts b/node_modules/mongodb/src/operations/count_documents.ts
new file mode 100644
index 000000000..c781329f2
--- /dev/null
+++ b/node_modules/mongodb/src/operations/count_documents.ts
@@ -0,0 +1,57 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AggregateOperation, AggregateOptions } from './aggregate';
+
+/** @public */
+export interface CountDocumentsOptions extends AggregateOptions {
+  /** The number of documents to skip. */
+  skip?: number;
+  /** The maximum amounts to count before aborting. */
+  limit?: number;
+}
+
+/** @internal */
+export class CountDocumentsOperation extends AggregateOperation<number> {
+  constructor(collection: Collection, query: Document, options: CountDocumentsOptions) {
+    const pipeline = [];
+    pipeline.push({ $match: query });
+
+    if (typeof options.skip === 'number') {
+      pipeline.push({ $skip: options.skip });
+    }
+
+    if (typeof options.limit === 'number') {
+      pipeline.push({ $limit: options.limit });
+    }
+
+    pipeline.push({ $group: { _id: 1, n: { $sum: 1 } } });
+
+    super(collection.s.namespace, pipeline, options);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<number>
+  ): void {
+    super.execute(server, session, (err, result) => {
+      if (err || !result) {
+        callback(err);
+        return;
+      }
+
+      // NOTE: We're avoiding creating a cursor here to reduce the callstack.
+      const response = result as unknown as Document;
+      if (response.cursor == null || response.cursor.firstBatch == null) {
+        callback(undefined, 0);
+        return;
+      }
+
+      const docs = response.cursor.firstBatch;
+      callback(undefined, docs.length ? docs[0].n : 0);
+    });
+  }
+}
diff --git a/node_modules/mongodb/src/operations/create_collection.ts b/node_modules/mongodb/src/operations/create_collection.ts
new file mode 100644
index 000000000..e69b87a3c
--- /dev/null
+++ b/node_modules/mongodb/src/operations/create_collection.ts
@@ -0,0 +1,200 @@
+import type { Document } from '../bson';
+import { Collection } from '../collection';
+import type { Db } from '../db';
+import type { PkFactory } from '../mongo_client';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { CreateIndexOperation } from './indexes';
+import { Aspect, defineAspects } from './operation';
+
+const ILLEGAL_COMMAND_FIELDS = new Set([
+  'w',
+  'wtimeout',
+  'j',
+  'fsync',
+  'autoIndexId',
+  'pkFactory',
+  'raw',
+  'readPreference',
+  'session',
+  'readConcern',
+  'writeConcern',
+  'raw',
+  'fieldsAsRaw',
+  'promoteLongs',
+  'promoteValues',
+  'promoteBuffers',
+  'bsonRegExp',
+  'serializeFunctions',
+  'ignoreUndefined',
+  'enableUtf8Validation'
+]);
+
+/** @public
+ * Configuration options for timeseries collections
+ * @see https://docs.mongodb.com/manual/core/timeseries-collections/
+ */
+export interface TimeSeriesCollectionOptions extends Document {
+  timeField: string;
+  metaField?: string;
+  granularity?: 'seconds' | 'minutes' | 'hours' | string;
+}
+
+/** @public
+ * Configuration options for clustered collections
+ * @see https://www.mongodb.com/docs/manual/core/clustered-collections/
+ */
+export interface ClusteredCollectionOptions extends Document {
+  name?: string;
+  key: Document;
+  unique: boolean;
+}
+
+/** @public */
+export interface CreateCollectionOptions extends CommandOperationOptions {
+  /** Returns an error if the collection does not exist */
+  strict?: boolean;
+  /** Create a capped collection */
+  capped?: boolean;
+  /** @deprecated Create an index on the _id field of the document, True by default on MongoDB 2.6 - 3.0 */
+  autoIndexId?: boolean;
+  /** The size of the capped collection in bytes */
+  size?: number;
+  /** The maximum number of documents in the capped collection */
+  max?: number;
+  /** Available for the MMAPv1 storage engine only to set the usePowerOf2Sizes and the noPadding flag */
+  flags?: number;
+  /** Allows users to specify configuration to the storage engine on a per-collection basis when creating a collection on MongoDB 3.0 or higher */
+  storageEngine?: Document;
+  /** Allows users to specify validation rules or expressions for the collection. For more information, see Document Validation on MongoDB 3.2 or higher */
+  validator?: Document;
+  /** Determines how strictly MongoDB applies the validation rules to existing documents during an update on MongoDB 3.2 or higher */
+  validationLevel?: string;
+  /** Determines whether to error on invalid documents or just warn about the violations but allow invalid documents to be inserted on MongoDB 3.2 or higher */
+  validationAction?: string;
+  /** Allows users to specify a default configuration for indexes when creating a collection on MongoDB 3.2 or higher */
+  indexOptionDefaults?: Document;
+  /** The name of the source collection or view from which to create the view. The name is not the full namespace of the collection or view; i.e. does not include the database name and implies the same database as the view to create on MongoDB 3.4 or higher */
+  viewOn?: string;
+  /** An array that consists of the aggregation pipeline stage. Creates the view by applying the specified pipeline to the viewOn collection or view on MongoDB 3.4 or higher */
+  pipeline?: Document[];
+  /** A primary key factory function for generation of custom _id keys. */
+  pkFactory?: PkFactory;
+  /** A document specifying configuration options for timeseries collections. */
+  timeseries?: TimeSeriesCollectionOptions;
+  /** A document specifying configuration options for clustered collections. For MongoDB 5.3 and above. */
+  clusteredIndex?: ClusteredCollectionOptions;
+  /** The number of seconds after which a document in a timeseries or clustered collection expires. */
+  expireAfterSeconds?: number;
+  /** @experimental */
+  encryptedFields?: Document;
+  /**
+   * If set, enables pre-update and post-update document events to be included for any
+   * change streams that listen on this collection.
+   */
+  changeStreamPreAndPostImages?: { enabled: boolean };
+}
+
+/** @internal */
+export class CreateCollectionOperation extends CommandOperation<Collection> {
+  override options: CreateCollectionOptions;
+  db: Db;
+  name: string;
+
+  constructor(db: Db, name: string, options: CreateCollectionOptions = {}) {
+    super(db, options);
+
+    this.options = options;
+    this.db = db;
+    this.name = name;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Collection>
+  ): void {
+    (async () => {
+      const db = this.db;
+      const name = this.name;
+      const options = this.options;
+
+      const encryptedFields: Document | undefined =
+        options.encryptedFields ??
+        db.s.client.options.autoEncryption?.encryptedFieldsMap?.[`${db.databaseName}.${name}`];
+
+      if (encryptedFields) {
+        // Create auxilliary collections for queryable encryption support.
+        const escCollection = encryptedFields.escCollection ?? `enxcol_.${name}.esc`;
+        const eccCollection = encryptedFields.eccCollection ?? `enxcol_.${name}.ecc`;
+        const ecocCollection = encryptedFields.ecocCollection ?? `enxcol_.${name}.ecoc`;
+
+        for (const collectionName of [escCollection, eccCollection, ecocCollection]) {
+          const createOp = new CreateCollectionOperation(db, collectionName, {
+            clusteredIndex: {
+              key: { _id: 1 },
+              unique: true
+            }
+          });
+          await createOp.executeWithoutEncryptedFieldsCheck(server, session);
+        }
+
+        if (!options.encryptedFields) {
+          this.options = { ...this.options, encryptedFields };
+        }
+      }
+
+      const coll = await this.executeWithoutEncryptedFieldsCheck(server, session);
+
+      if (encryptedFields) {
+        // Create the required index for queryable encryption support.
+        const createIndexOp = new CreateIndexOperation(db, name, { __safeContent__: 1 }, {});
+        await new Promise<void>((resolve, reject) => {
+          createIndexOp.execute(server, session, err => (err ? reject(err) : resolve()));
+        });
+      }
+
+      return coll;
+    })().then(
+      coll => callback(undefined, coll),
+      err => callback(err)
+    );
+  }
+
+  private executeWithoutEncryptedFieldsCheck(
+    server: Server,
+    session: ClientSession | undefined
+  ): Promise<Collection> {
+    return new Promise<Collection>((resolve, reject) => {
+      const db = this.db;
+      const name = this.name;
+      const options = this.options;
+
+      const done: Callback = err => {
+        if (err) {
+          return reject(err);
+        }
+
+        resolve(new Collection(db, name, options));
+      };
+
+      const cmd: Document = { create: name };
+      for (const n in options) {
+        if (
+          (options as any)[n] != null &&
+          typeof (options as any)[n] !== 'function' &&
+          !ILLEGAL_COMMAND_FIELDS.has(n)
+        ) {
+          cmd[n] = (options as any)[n];
+        }
+      }
+
+      // otherwise just execute the command
+      super.executeCommand(server, session, cmd, done);
+    });
+  }
+}
+
+defineAspects(CreateCollectionOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongodb/src/operations/delete.ts b/node_modules/mongodb/src/operations/delete.ts
new file mode 100644
index 000000000..ccdfd1c80
--- /dev/null
+++ b/node_modules/mongodb/src/operations/delete.ts
@@ -0,0 +1,194 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoServerError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, collationNotSupported, maxWireVersion, MongoDBNamespace } from '../utils';
+import type { WriteConcernOptions } from '../write_concern';
+import { CollationOptions, CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects, Hint } from './operation';
+
+/** @public */
+export interface DeleteOptions extends CommandOperationOptions, WriteConcernOptions {
+  /** If true, when an insert fails, don't execute the remaining writes. If false, continue with remaining inserts when one fails. */
+  ordered?: boolean;
+  /** Specifies the collation to use for the operation */
+  collation?: CollationOptions;
+  /** Specify that the update query should only consider plans using the hinted index */
+  hint?: string | Document;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+
+  /** @deprecated use `removeOne` or `removeMany` to implicitly specify the limit */
+  single?: boolean;
+}
+
+/** @public */
+export interface DeleteResult {
+  /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined. */
+  acknowledged: boolean;
+  /** The number of documents that were deleted */
+  deletedCount: number;
+}
+
+/** @public */
+export interface DeleteStatement {
+  /** The query that matches documents to delete. */
+  q: Document;
+  /** The number of matching documents to delete. */
+  limit: number;
+  /** Specifies the collation to use for the operation. */
+  collation?: CollationOptions;
+  /** A document or string that specifies the index to use to support the query predicate. */
+  hint?: Hint;
+}
+
+/** @internal */
+export class DeleteOperation extends CommandOperation<Document> {
+  override options: DeleteOptions;
+  statements: DeleteStatement[];
+
+  constructor(ns: MongoDBNamespace, statements: DeleteStatement[], options: DeleteOptions) {
+    super(undefined, options);
+    this.options = options;
+    this.ns = ns;
+    this.statements = statements;
+  }
+
+  override get canRetryWrite(): boolean {
+    if (super.canRetryWrite === false) {
+      return false;
+    }
+
+    return this.statements.every(op => (op.limit != null ? op.limit > 0 : true));
+  }
+
+  override execute(server: Server, session: ClientSession | undefined, callback: Callback): void {
+    const options = this.options ?? {};
+    const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+    const command: Document = {
+      delete: this.ns.collection,
+      deletes: this.statements,
+      ordered
+    };
+
+    if (options.let) {
+      command.let = options.let;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      command.comment = options.comment;
+    }
+
+    if (options.explain != null && maxWireVersion(server) < 3) {
+      return callback
+        ? callback(
+            new MongoCompatibilityError(`Server ${server.name} does not support explain on delete`)
+          )
+        : undefined;
+    }
+
+    const unacknowledgedWrite = this.writeConcern && this.writeConcern.w === 0;
+    if (unacknowledgedWrite || maxWireVersion(server) < 5) {
+      if (this.statements.find((o: Document) => o.hint)) {
+        callback(new MongoCompatibilityError(`Servers < 3.4 do not support hint on delete`));
+        return;
+      }
+    }
+
+    const statementWithCollation = this.statements.find(statement => !!statement.collation);
+    if (statementWithCollation && collationNotSupported(server, statementWithCollation)) {
+      callback(new MongoCompatibilityError(`Server ${server.name} does not support collation`));
+      return;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+export class DeleteOneOperation extends DeleteOperation {
+  constructor(collection: Collection, filter: Document, options: DeleteOptions) {
+    super(collection.s.namespace, [makeDeleteStatement(filter, { ...options, limit: 1 })], options);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<DeleteResult>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || res == null) return callback(err);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+      if (this.explain) return callback(undefined, res);
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        deletedCount: res.n
+      });
+    });
+  }
+}
+
+export class DeleteManyOperation extends DeleteOperation {
+  constructor(collection: Collection, filter: Document, options: DeleteOptions) {
+    super(collection.s.namespace, [makeDeleteStatement(filter, options)], options);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<DeleteResult>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || res == null) return callback(err);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+      if (this.explain) return callback(undefined, res);
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        deletedCount: res.n
+      });
+    });
+  }
+}
+
+export function makeDeleteStatement(
+  filter: Document,
+  options: DeleteOptions & { limit?: number }
+): DeleteStatement {
+  const op: DeleteStatement = {
+    q: filter,
+    limit: typeof options.limit === 'number' ? options.limit : 0
+  };
+
+  if (options.single === true) {
+    op.limit = 1;
+  }
+
+  if (options.collation) {
+    op.collation = options.collation;
+  }
+
+  if (options.hint) {
+    op.hint = options.hint;
+  }
+
+  return op;
+}
+
+defineAspects(DeleteOperation, [Aspect.RETRYABLE, Aspect.WRITE_OPERATION]);
+defineAspects(DeleteOneOperation, [
+  Aspect.RETRYABLE,
+  Aspect.WRITE_OPERATION,
+  Aspect.EXPLAINABLE,
+  Aspect.SKIP_COLLATION
+]);
+defineAspects(DeleteManyOperation, [
+  Aspect.WRITE_OPERATION,
+  Aspect.EXPLAINABLE,
+  Aspect.SKIP_COLLATION
+]);
diff --git a/node_modules/mongodb/src/operations/distinct.ts b/node_modules/mongodb/src/operations/distinct.ts
new file mode 100644
index 000000000..5fe8585e8
--- /dev/null
+++ b/node_modules/mongodb/src/operations/distinct.ts
@@ -0,0 +1,90 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, decorateWithCollation, decorateWithReadConcern } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export type DistinctOptions = CommandOperationOptions;
+
+/**
+ * Return a list of distinct values for the given key across a collection.
+ * @internal
+ */
+export class DistinctOperation extends CommandOperation<any[]> {
+  override options: DistinctOptions;
+  collection: Collection;
+  /** Field of the document to find distinct values for. */
+  key: string;
+  /** The query for filtering the set of documents to which we apply the distinct filter. */
+  query: Document;
+
+  /**
+   * Construct a Distinct operation.
+   *
+   * @param collection - Collection instance.
+   * @param key - Field of the document to find distinct values for.
+   * @param query - The query for filtering the set of documents to which we apply the distinct filter.
+   * @param options - Optional settings. See Collection.prototype.distinct for a list of options.
+   */
+  constructor(collection: Collection, key: string, query: Document, options?: DistinctOptions) {
+    super(collection, options);
+
+    this.options = options ?? {};
+    this.collection = collection;
+    this.key = key;
+    this.query = query;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<any[]>
+  ): void {
+    const coll = this.collection;
+    const key = this.key;
+    const query = this.query;
+    const options = this.options;
+
+    // Distinct command
+    const cmd: Document = {
+      distinct: coll.collectionName,
+      key: key,
+      query: query
+    };
+
+    // Add maxTimeMS if defined
+    if (typeof options.maxTimeMS === 'number') {
+      cmd.maxTimeMS = options.maxTimeMS;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (typeof options.comment !== 'undefined') {
+      cmd.comment = options.comment;
+    }
+
+    // Do we have a readConcern specified
+    decorateWithReadConcern(cmd, coll, options);
+
+    // Have we specified collation
+    try {
+      decorateWithCollation(cmd, coll, options);
+    } catch (err) {
+      return callback(err);
+    }
+
+    super.executeCommand(server, session, cmd, (err, result) => {
+      if (err) {
+        callback(err);
+        return;
+      }
+
+      callback(undefined, this.explain ? result : result.values);
+    });
+  }
+}
+
+defineAspects(DistinctOperation, [Aspect.READ_OPERATION, Aspect.RETRYABLE, Aspect.EXPLAINABLE]);
diff --git a/node_modules/mongodb/src/operations/drop.ts b/node_modules/mongodb/src/operations/drop.ts
new file mode 100644
index 000000000..00f78e543
--- /dev/null
+++ b/node_modules/mongodb/src/operations/drop.ts
@@ -0,0 +1,120 @@
+import type { Document } from '../bson';
+import type { Db } from '../db';
+import { MONGODB_ERROR_CODES, MongoServerError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface DropCollectionOptions extends CommandOperationOptions {
+  /** @experimental */
+  encryptedFields?: Document;
+}
+
+/** @internal */
+export class DropCollectionOperation extends CommandOperation<boolean> {
+  override options: DropCollectionOptions;
+  db: Db;
+  name: string;
+
+  constructor(db: Db, name: string, options: DropCollectionOptions = {}) {
+    super(db, options);
+    this.db = db;
+    this.options = options;
+    this.name = name;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    (async () => {
+      const db = this.db;
+      const options = this.options;
+      const name = this.name;
+
+      const encryptedFieldsMap = db.s.client.options.autoEncryption?.encryptedFieldsMap;
+      let encryptedFields: Document | undefined =
+        options.encryptedFields ?? encryptedFieldsMap?.[`${db.databaseName}.${name}`];
+
+      if (!encryptedFields && encryptedFieldsMap) {
+        // If the MongoClient was configued with an encryptedFieldsMap,
+        // and no encryptedFields config was available in it or explicitly
+        // passed as an argument, the spec tells us to look one up using
+        // listCollections().
+        const listCollectionsResult = await db
+          .listCollections({ name }, { nameOnly: false })
+          .toArray();
+        encryptedFields = listCollectionsResult?.[0]?.options?.encryptedFields;
+      }
+
+      if (encryptedFields) {
+        const escCollection = encryptedFields.escCollection || `enxcol_.${name}.esc`;
+        const eccCollection = encryptedFields.eccCollection || `enxcol_.${name}.ecc`;
+        const ecocCollection = encryptedFields.ecocCollection || `enxcol_.${name}.ecoc`;
+
+        for (const collectionName of [escCollection, eccCollection, ecocCollection]) {
+          // Drop auxilliary collections, ignoring potential NamespaceNotFound errors.
+          const dropOp = new DropCollectionOperation(db, collectionName);
+          try {
+            await dropOp.executeWithoutEncryptedFieldsCheck(server, session);
+          } catch (err) {
+            if (
+              !(err instanceof MongoServerError) ||
+              err.code !== MONGODB_ERROR_CODES.NamespaceNotFound
+            ) {
+              throw err;
+            }
+          }
+        }
+      }
+
+      return await this.executeWithoutEncryptedFieldsCheck(server, session);
+    })().then(
+      result => callback(undefined, result),
+      err => callback(err)
+    );
+  }
+
+  private executeWithoutEncryptedFieldsCheck(
+    server: Server,
+    session: ClientSession | undefined
+  ): Promise<boolean> {
+    return new Promise<boolean>((resolve, reject) => {
+      super.executeCommand(server, session, { drop: this.name }, (err, result) => {
+        if (err) return reject(err);
+        resolve(!!result.ok);
+      });
+    });
+  }
+}
+
+/** @public */
+export type DropDatabaseOptions = CommandOperationOptions;
+
+/** @internal */
+export class DropDatabaseOperation extends CommandOperation<boolean> {
+  override options: DropDatabaseOptions;
+
+  constructor(db: Db, options: DropDatabaseOptions) {
+    super(db, options);
+    this.options = options;
+  }
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    super.executeCommand(server, session, { dropDatabase: 1 }, (err, result) => {
+      if (err) return callback(err);
+      if (result.ok) return callback(undefined, true);
+      callback(undefined, false);
+    });
+  }
+}
+
+defineAspects(DropCollectionOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(DropDatabaseOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongodb/src/operations/estimated_document_count.ts b/node_modules/mongodb/src/operations/estimated_document_count.ts
new file mode 100644
index 000000000..22b29deb9
--- /dev/null
+++ b/node_modules/mongodb/src/operations/estimated_document_count.ts
@@ -0,0 +1,62 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface EstimatedDocumentCountOptions extends CommandOperationOptions {
+  /**
+   * The maximum amount of time to allow the operation to run.
+   *
+   * This option is sent only if the caller explicitly provides a value. The default is to not send a value.
+   */
+  maxTimeMS?: number;
+}
+
+/** @internal */
+export class EstimatedDocumentCountOperation extends CommandOperation<number> {
+  override options: EstimatedDocumentCountOptions;
+  collectionName: string;
+
+  constructor(collection: Collection, options: EstimatedDocumentCountOptions = {}) {
+    super(collection, options);
+    this.options = options;
+    this.collectionName = collection.collectionName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<number>
+  ): void {
+    const cmd: Document = { count: this.collectionName };
+
+    if (typeof this.options.maxTimeMS === 'number') {
+      cmd.maxTimeMS = this.options.maxTimeMS;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (this.options.comment !== undefined) {
+      cmd.comment = this.options.comment;
+    }
+
+    super.executeCommand(server, session, cmd, (err, response) => {
+      if (err) {
+        callback(err);
+        return;
+      }
+
+      callback(undefined, response?.n || 0);
+    });
+  }
+}
+
+defineAspects(EstimatedDocumentCountOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.CURSOR_CREATING
+]);
diff --git a/node_modules/mongodb/src/operations/eval.ts b/node_modules/mongodb/src/operations/eval.ts
new file mode 100644
index 000000000..3c34c59d9
--- /dev/null
+++ b/node_modules/mongodb/src/operations/eval.ts
@@ -0,0 +1,82 @@
+import { Code, Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Db } from '../db';
+import { MongoServerError } from '../error';
+import { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+
+/** @public */
+export interface EvalOptions extends CommandOperationOptions {
+  nolock?: boolean;
+}
+
+/** @internal */
+export class EvalOperation extends CommandOperation<Document> {
+  override options: EvalOptions;
+  code: Code;
+  parameters?: Document | Document[];
+
+  constructor(
+    db: Db | Collection,
+    code: Code,
+    parameters?: Document | Document[],
+    options?: EvalOptions
+  ) {
+    super(db, options);
+
+    this.options = options ?? {};
+    this.code = code;
+    this.parameters = parameters;
+    // force primary read preference
+    Object.defineProperty(this, 'readPreference', {
+      value: ReadPreference.primary,
+      configurable: false,
+      writable: false
+    });
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    let finalCode = this.code;
+    let finalParameters: Document[] = [];
+
+    // If not a code object translate to one
+    if (!(finalCode && (finalCode as unknown as { _bsontype: string })._bsontype === 'Code')) {
+      finalCode = new Code(finalCode as never);
+    }
+
+    // Ensure the parameters are correct
+    if (this.parameters != null && typeof this.parameters !== 'function') {
+      finalParameters = Array.isArray(this.parameters) ? this.parameters : [this.parameters];
+    }
+
+    // Create execution selector
+    const cmd: Document = { $eval: finalCode, args: finalParameters };
+
+    // Check if the nolock parameter is passed in
+    if (this.options.nolock) {
+      cmd.nolock = this.options.nolock;
+    }
+
+    // Execute the command
+    super.executeCommand(server, session, cmd, (err, result) => {
+      if (err) return callback(err);
+      if (result && result.ok === 1) {
+        return callback(undefined, result.retval);
+      }
+
+      if (result) {
+        callback(new MongoServerError({ message: `eval failed: ${result.errmsg}` }));
+        return;
+      }
+
+      callback(err, result);
+    });
+  }
+}
diff --git a/node_modules/mongodb/src/operations/execute_operation.ts b/node_modules/mongodb/src/operations/execute_operation.ts
new file mode 100644
index 000000000..54fc3b99d
--- /dev/null
+++ b/node_modules/mongodb/src/operations/execute_operation.ts
@@ -0,0 +1,298 @@
+import type { Document } from '../bson';
+import {
+  isRetryableReadError,
+  isRetryableWriteError,
+  MongoCompatibilityError,
+  MONGODB_ERROR_CODES,
+  MongoError,
+  MongoExpiredSessionError,
+  MongoNetworkError,
+  MongoNotConnectedError,
+  MongoRuntimeError,
+  MongoServerError,
+  MongoTransactionError,
+  MongoUnexpectedServerResponseError
+} from '../error';
+import type { MongoClient } from '../mongo_client';
+import { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import {
+  sameServerSelector,
+  secondaryWritableServerSelector,
+  ServerSelector
+} from '../sdam/server_selection';
+import type { Topology } from '../sdam/topology';
+import type { ClientSession } from '../sessions';
+import { Callback, maybePromise, supportsRetryableWrites } from '../utils';
+import { AbstractOperation, Aspect } from './operation';
+
+const MMAPv1_RETRY_WRITES_ERROR_CODE = MONGODB_ERROR_CODES.IllegalOperation;
+const MMAPv1_RETRY_WRITES_ERROR_MESSAGE =
+  'This MongoDB deployment does not support retryable writes. Please add retryWrites=false to your connection string.';
+
+type ResultTypeFromOperation<TOperation> = TOperation extends AbstractOperation<infer K>
+  ? K
+  : never;
+
+/** @internal */
+export interface ExecutionResult {
+  /** The server selected for the operation */
+  server: Server;
+  /** The session used for this operation, may be implicitly created */
+  session?: ClientSession;
+  /** The raw server response for the operation */
+  response: Document;
+}
+
+/**
+ * Executes the given operation with provided arguments.
+ * @internal
+ *
+ * @remarks
+ * This method reduces large amounts of duplication in the entire codebase by providing
+ * a single point for determining whether callbacks or promises should be used. Additionally
+ * it allows for a single point of entry to provide features such as implicit sessions, which
+ * are required by the Driver Sessions specification in the event that a ClientSession is
+ * not provided
+ *
+ * @param topology - The topology to execute this operation on
+ * @param operation - The operation to execute
+ * @param callback - The command result callback
+ */
+export function executeOperation<
+  T extends AbstractOperation<TResult>,
+  TResult = ResultTypeFromOperation<T>
+>(client: MongoClient, operation: T): Promise<TResult>;
+export function executeOperation<
+  T extends AbstractOperation<TResult>,
+  TResult = ResultTypeFromOperation<T>
+>(client: MongoClient, operation: T, callback: Callback<TResult>): void;
+export function executeOperation<
+  T extends AbstractOperation<TResult>,
+  TResult = ResultTypeFromOperation<T>
+>(client: MongoClient, operation: T, callback?: Callback<TResult>): Promise<TResult> | void;
+export function executeOperation<
+  T extends AbstractOperation<TResult>,
+  TResult = ResultTypeFromOperation<T>
+>(client: MongoClient, operation: T, callback?: Callback<TResult>): Promise<TResult> | void {
+  if (!(operation instanceof AbstractOperation)) {
+    // TODO(NODE-3483): Extend MongoRuntimeError
+    throw new MongoRuntimeError('This method requires a valid operation instance');
+  }
+
+  return maybePromise(callback, callback => {
+    const topology = client.topology;
+
+    if (topology == null) {
+      if (client.s.hasBeenClosed) {
+        return callback(
+          new MongoNotConnectedError('Client must be connected before running operations')
+        );
+      }
+      client.s.options[Symbol.for('@@mdb.skipPingOnConnect')] = true;
+      return client.connect(error => {
+        delete client.s.options[Symbol.for('@@mdb.skipPingOnConnect')];
+        if (error) {
+          return callback(error);
+        }
+        return executeOperation<T, TResult>(client, operation, callback);
+      });
+    }
+
+    if (topology.shouldCheckForSessionSupport()) {
+      return topology.selectServer(ReadPreference.primaryPreferred, {}, err => {
+        if (err) return callback(err);
+
+        executeOperation<T, TResult>(client, operation, callback);
+      });
+    }
+
+    // The driver sessions spec mandates that we implicitly create sessions for operations
+    // that are not explicitly provided with a session.
+    let session = operation.session;
+    let owner: symbol | undefined;
+    if (topology.hasSessionSupport()) {
+      if (session == null) {
+        owner = Symbol();
+        session = client.startSession({ owner, explicit: false });
+      } else if (session.hasEnded) {
+        return callback(new MongoExpiredSessionError('Use of expired sessions is not permitted'));
+      } else if (session.snapshotEnabled && !topology.capabilities.supportsSnapshotReads) {
+        return callback(new MongoCompatibilityError('Snapshot reads require MongoDB 5.0 or later'));
+      }
+    } else {
+      // no session support
+      if (session && session.explicit) {
+        // If the user passed an explicit session and we are still, after server selection,
+        // trying to run against a topology that doesn't support sessions we error out.
+        return callback(new MongoCompatibilityError('Current topology does not support sessions'));
+      } else if (session && !session.explicit) {
+        // We do not have to worry about ending the session because the server session has not been acquired yet
+        delete operation.options.session;
+        operation.clearSession();
+        session = undefined;
+      }
+    }
+
+    try {
+      executeWithServerSelection<TResult>(topology, session, operation, (error, result) => {
+        if (session?.owner != null && session.owner === owner) {
+          return session.endSession(endSessionError => callback(endSessionError ?? error, result));
+        }
+
+        callback(error, result);
+      });
+    } catch (error) {
+      if (session?.owner != null && session.owner === owner) {
+        session.endSession().catch(() => null);
+      }
+
+      throw error;
+    }
+  });
+}
+
+function executeWithServerSelection<TResult>(
+  topology: Topology,
+  session: ClientSession | undefined,
+  operation: AbstractOperation,
+  callback: Callback<TResult>
+) {
+  const readPreference = operation.readPreference ?? ReadPreference.primary;
+  const inTransaction = !!session?.inTransaction();
+
+  if (inTransaction && !readPreference.equals(ReadPreference.primary)) {
+    return callback(
+      new MongoTransactionError(
+        `Read preference in a transaction must be primary, not: ${readPreference.mode}`
+      )
+    );
+  }
+
+  if (session?.isPinned && session.transaction.isCommitted && !operation.bypassPinningCheck) {
+    session.unpin();
+  }
+
+  let selector: ReadPreference | ServerSelector;
+
+  if (operation.hasAspect(Aspect.MUST_SELECT_SAME_SERVER)) {
+    // GetMore and KillCursor operations must always select the same server, but run through
+    // server selection to potentially force monitor checks if the server is
+    // in an unknown state.
+    selector = sameServerSelector(operation.server?.description);
+  } else if (operation.trySecondaryWrite) {
+    // If operation should try to write to secondary use the custom server selector
+    // otherwise provide the read preference.
+    selector = secondaryWritableServerSelector(topology.commonWireVersion, readPreference);
+  } else {
+    selector = readPreference;
+  }
+
+  const serverSelectionOptions = { session };
+  function retryOperation(originalError: MongoError) {
+    const isWriteOperation = operation.hasAspect(Aspect.WRITE_OPERATION);
+    const isReadOperation = operation.hasAspect(Aspect.READ_OPERATION);
+
+    if (isWriteOperation && originalError.code === MMAPv1_RETRY_WRITES_ERROR_CODE) {
+      return callback(
+        new MongoServerError({
+          message: MMAPv1_RETRY_WRITES_ERROR_MESSAGE,
+          errmsg: MMAPv1_RETRY_WRITES_ERROR_MESSAGE,
+          originalError
+        })
+      );
+    }
+
+    if (isWriteOperation && !isRetryableWriteError(originalError)) {
+      return callback(originalError);
+    }
+
+    if (isReadOperation && !isRetryableReadError(originalError)) {
+      return callback(originalError);
+    }
+
+    if (
+      originalError instanceof MongoNetworkError &&
+      session?.isPinned &&
+      !session.inTransaction() &&
+      operation.hasAspect(Aspect.CURSOR_CREATING)
+    ) {
+      // If we have a cursor and the initial command fails with a network error,
+      // we can retry it on another connection. So we need to check it back in, clear the
+      // pool for the service id, and retry again.
+      session.unpin({ force: true, forceClear: true });
+    }
+
+    // select a new server, and attempt to retry the operation
+    topology.selectServer(selector, serverSelectionOptions, (error?: Error, server?: Server) => {
+      if (!error && isWriteOperation && !supportsRetryableWrites(server)) {
+        return callback(
+          new MongoUnexpectedServerResponseError(
+            'Selected server does not support retryable writes'
+          )
+        );
+      }
+
+      if (error || !server) {
+        return callback(
+          error ?? new MongoUnexpectedServerResponseError('Server selection failed without error')
+        );
+      }
+
+      operation.execute(server, session, callback);
+    });
+  }
+
+  if (
+    readPreference &&
+    !readPreference.equals(ReadPreference.primary) &&
+    session?.inTransaction()
+  ) {
+    callback(
+      new MongoTransactionError(
+        `Read preference in a transaction must be primary, not: ${readPreference.mode}`
+      )
+    );
+
+    return;
+  }
+
+  // select a server, and execute the operation against it
+  topology.selectServer(selector, serverSelectionOptions, (error, server) => {
+    if (error || !server) {
+      return callback(error);
+    }
+
+    if (session && operation.hasAspect(Aspect.RETRYABLE)) {
+      const willRetryRead =
+        topology.s.options.retryReads && !inTransaction && operation.canRetryRead;
+
+      const willRetryWrite =
+        topology.s.options.retryWrites &&
+        !inTransaction &&
+        supportsRetryableWrites(server) &&
+        operation.canRetryWrite;
+
+      const hasReadAspect = operation.hasAspect(Aspect.READ_OPERATION);
+      const hasWriteAspect = operation.hasAspect(Aspect.WRITE_OPERATION);
+
+      if ((hasReadAspect && willRetryRead) || (hasWriteAspect && willRetryWrite)) {
+        if (hasWriteAspect && willRetryWrite) {
+          operation.options.willRetryWrite = true;
+          session.incrementTransactionNumber();
+        }
+
+        return operation.execute(server, session, (error, result) => {
+          if (error instanceof MongoError) {
+            return retryOperation(error);
+          } else if (error) {
+            return callback(error);
+          }
+          callback(undefined, result);
+        });
+      }
+    }
+
+    return operation.execute(server, session, callback);
+  });
+}
diff --git a/node_modules/mongodb/src/operations/find.ts b/node_modules/mongodb/src/operations/find.ts
new file mode 100644
index 000000000..ba2e8cf74
--- /dev/null
+++ b/node_modules/mongodb/src/operations/find.ts
@@ -0,0 +1,288 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoInvalidArgumentError } from '../error';
+import { ReadConcern } from '../read_concern';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { formatSort, Sort } from '../sort';
+import {
+  Callback,
+  decorateWithExplain,
+  maxWireVersion,
+  MongoDBNamespace,
+  normalizeHintField
+} from '../utils';
+import { CollationOptions, CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects, Hint } from './operation';
+
+/**
+ * @public
+ * @typeParam TSchema - Unused schema definition, deprecated usage, only specify `FindOptions` with no generic
+ */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export interface FindOptions<TSchema extends Document = Document> extends CommandOperationOptions {
+  /** Sets the limit of documents returned in the query. */
+  limit?: number;
+  /** Set to sort the documents coming back from the query. Array of indexes, `[['a', 1]]` etc. */
+  sort?: Sort;
+  /** The fields to return in the query. Object of fields to either include or exclude (one of, not both), `{'a':1, 'b': 1}` **or** `{'a': 0, 'b': 0}` */
+  projection?: Document;
+  /** Set to skip N documents ahead in your query (useful for pagination). */
+  skip?: number;
+  /** Tell the query to use specific indexes in the query. Object of indexes to use, `{'_id':1}` */
+  hint?: Hint;
+  /** Specify if the cursor can timeout. */
+  timeout?: boolean;
+  /** Specify if the cursor is tailable. */
+  tailable?: boolean;
+  /** Specify if the cursor is a tailable-await cursor. Requires `tailable` to be true */
+  awaitData?: boolean;
+  /** Set the batchSize for the getMoreCommand when iterating over the query results. */
+  batchSize?: number;
+  /** If true, returns only the index keys in the resulting documents. */
+  returnKey?: boolean;
+  /** The inclusive lower bound for a specific index */
+  min?: Document;
+  /** The exclusive upper bound for a specific index */
+  max?: Document;
+  /** Number of milliseconds to wait before aborting the query. */
+  maxTimeMS?: number;
+  /** The maximum amount of time for the server to wait on new documents to satisfy a tailable cursor query. Requires `tailable` and `awaitData` to be true */
+  maxAwaitTimeMS?: number;
+  /** The server normally times out idle cursors after an inactivity period (10 minutes) to prevent excess memory use. Set this option to prevent that. */
+  noCursorTimeout?: boolean;
+  /** Specify collation (MongoDB 3.4 or higher) settings for update operation (see 3.4 documentation for available fields). */
+  collation?: CollationOptions;
+  /** Allows disk use for blocking sort operations exceeding 100MB memory. (MongoDB 3.2 or higher) */
+  allowDiskUse?: boolean;
+  /** Determines whether to close the cursor after the first batch. Defaults to false. */
+  singleBatch?: boolean;
+  /** For queries against a sharded collection, allows the command (or subsequent getMore commands) to return partial results, rather than an error, if one or more queried shards are unavailable. */
+  allowPartialResults?: boolean;
+  /** Determines whether to return the record identifier for each document. If true, adds a field $recordId to the returned documents. */
+  showRecordId?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+  /**
+   * Option to enable an optimized code path for queries looking for a particular range of `ts` values in the oplog. Requires `tailable` to be true.
+   * @deprecated Starting from MongoDB 4.4 this flag is not needed and will be ignored.
+   */
+  oplogReplay?: boolean;
+}
+
+const SUPPORTS_WRITE_CONCERN_AND_COLLATION = 5;
+
+/** @internal */
+export class FindOperation extends CommandOperation<Document> {
+  override options: FindOptions;
+  filter: Document;
+
+  constructor(
+    collection: Collection | undefined,
+    ns: MongoDBNamespace,
+    filter: Document = {},
+    options: FindOptions = {}
+  ) {
+    super(collection, options);
+
+    this.options = options;
+    this.ns = ns;
+
+    if (typeof filter !== 'object' || Array.isArray(filter)) {
+      throw new MongoInvalidArgumentError('Query filter must be a plain object or ObjectId');
+    }
+
+    // If the filter is a buffer, validate that is a valid BSON document
+    if (Buffer.isBuffer(filter)) {
+      const objectSize = filter[0] | (filter[1] << 8) | (filter[2] << 16) | (filter[3] << 24);
+      if (objectSize !== filter.length) {
+        throw new MongoInvalidArgumentError(
+          `Query filter raw message size does not match message header size [${filter.length}] != [${objectSize}]`
+        );
+      }
+    }
+
+    // special case passing in an ObjectId as a filter
+    this.filter = filter != null && filter._bsontype === 'ObjectID' ? { _id: filter } : filter;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    this.server = server;
+
+    const serverWireVersion = maxWireVersion(server);
+    const options = this.options;
+    if (options.allowDiskUse != null && serverWireVersion < 4) {
+      callback(
+        new MongoCompatibilityError('Option "allowDiskUse" is not supported on MongoDB < 3.2')
+      );
+      return;
+    }
+
+    if (options.collation && serverWireVersion < SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+      callback(
+        new MongoCompatibilityError(
+          `Server ${server.name}, which reports wire version ${serverWireVersion}, does not support collation`
+        )
+      );
+
+      return;
+    }
+
+    let findCommand = makeFindCommand(this.ns, this.filter, options);
+    if (this.explain) {
+      findCommand = decorateWithExplain(findCommand, this.explain);
+    }
+
+    server.command(
+      this.ns,
+      findCommand,
+      {
+        ...this.options,
+        ...this.bsonOptions,
+        documentsReturnedIn: 'firstBatch',
+        session
+      },
+      callback
+    );
+  }
+}
+
+function makeFindCommand(ns: MongoDBNamespace, filter: Document, options: FindOptions): Document {
+  const findCommand: Document = {
+    find: ns.collection,
+    filter
+  };
+
+  if (options.sort) {
+    findCommand.sort = formatSort(options.sort);
+  }
+
+  if (options.projection) {
+    let projection = options.projection;
+    if (projection && Array.isArray(projection)) {
+      projection = projection.length
+        ? projection.reduce((result, field) => {
+            result[field] = 1;
+            return result;
+          }, {})
+        : { _id: 1 };
+    }
+
+    findCommand.projection = projection;
+  }
+
+  if (options.hint) {
+    findCommand.hint = normalizeHintField(options.hint);
+  }
+
+  if (typeof options.skip === 'number') {
+    findCommand.skip = options.skip;
+  }
+
+  if (typeof options.limit === 'number') {
+    if (options.limit < 0) {
+      findCommand.limit = -options.limit;
+      findCommand.singleBatch = true;
+    } else {
+      findCommand.limit = options.limit;
+    }
+  }
+
+  if (typeof options.batchSize === 'number') {
+    if (options.batchSize < 0) {
+      if (
+        options.limit &&
+        options.limit !== 0 &&
+        Math.abs(options.batchSize) < Math.abs(options.limit)
+      ) {
+        findCommand.limit = -options.batchSize;
+      }
+
+      findCommand.singleBatch = true;
+    } else {
+      findCommand.batchSize = options.batchSize;
+    }
+  }
+
+  if (typeof options.singleBatch === 'boolean') {
+    findCommand.singleBatch = options.singleBatch;
+  }
+
+  // we check for undefined specifically here to allow falsy values
+  // eslint-disable-next-line no-restricted-syntax
+  if (options.comment !== undefined) {
+    findCommand.comment = options.comment;
+  }
+
+  if (typeof options.maxTimeMS === 'number') {
+    findCommand.maxTimeMS = options.maxTimeMS;
+  }
+
+  const readConcern = ReadConcern.fromOptions(options);
+  if (readConcern) {
+    findCommand.readConcern = readConcern.toJSON();
+  }
+
+  if (options.max) {
+    findCommand.max = options.max;
+  }
+
+  if (options.min) {
+    findCommand.min = options.min;
+  }
+
+  if (typeof options.returnKey === 'boolean') {
+    findCommand.returnKey = options.returnKey;
+  }
+
+  if (typeof options.showRecordId === 'boolean') {
+    findCommand.showRecordId = options.showRecordId;
+  }
+
+  if (typeof options.tailable === 'boolean') {
+    findCommand.tailable = options.tailable;
+  }
+
+  if (typeof options.oplogReplay === 'boolean') {
+    findCommand.oplogReplay = options.oplogReplay;
+  }
+
+  if (typeof options.timeout === 'boolean') {
+    findCommand.noCursorTimeout = !options.timeout;
+  } else if (typeof options.noCursorTimeout === 'boolean') {
+    findCommand.noCursorTimeout = options.noCursorTimeout;
+  }
+
+  if (typeof options.awaitData === 'boolean') {
+    findCommand.awaitData = options.awaitData;
+  }
+
+  if (typeof options.allowPartialResults === 'boolean') {
+    findCommand.allowPartialResults = options.allowPartialResults;
+  }
+
+  if (options.collation) {
+    findCommand.collation = options.collation;
+  }
+
+  if (typeof options.allowDiskUse === 'boolean') {
+    findCommand.allowDiskUse = options.allowDiskUse;
+  }
+
+  if (options.let) {
+    findCommand.let = options.let;
+  }
+
+  return findCommand;
+}
+
+defineAspects(FindOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.EXPLAINABLE,
+  Aspect.CURSOR_CREATING
+]);
diff --git a/node_modules/mongodb/src/operations/find_and_modify.ts b/node_modules/mongodb/src/operations/find_and_modify.ts
new file mode 100644
index 000000000..12d7ba504
--- /dev/null
+++ b/node_modules/mongodb/src/operations/find_and_modify.ts
@@ -0,0 +1,295 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoInvalidArgumentError } from '../error';
+import { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { formatSort, Sort, SortForCmd } from '../sort';
+import { Callback, decorateWithCollation, hasAtomicOperators, maxWireVersion } from '../utils';
+import type { WriteConcern, WriteConcernSettings } from '../write_concern';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export const ReturnDocument = Object.freeze({
+  BEFORE: 'before',
+  AFTER: 'after'
+} as const);
+
+/** @public */
+export type ReturnDocument = typeof ReturnDocument[keyof typeof ReturnDocument];
+
+/** @public */
+export interface FindOneAndDeleteOptions extends CommandOperationOptions {
+  /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+  hint?: Document;
+  /** Limits the fields to return for all matching documents. */
+  projection?: Document;
+  /** Determines which document the operation modifies if the query selects multiple documents. */
+  sort?: Sort;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @public */
+export interface FindOneAndReplaceOptions extends CommandOperationOptions {
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+  hint?: Document;
+  /** Limits the fields to return for all matching documents. */
+  projection?: Document;
+  /** When set to 'after', returns the updated document rather than the original. The default is 'before'.  */
+  returnDocument?: ReturnDocument;
+  /** Determines which document the operation modifies if the query selects multiple documents. */
+  sort?: Sort;
+  /** Upsert the document if it does not exist. */
+  upsert?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @public */
+export interface FindOneAndUpdateOptions extends CommandOperationOptions {
+  /** Optional list of array filters referenced in filtered positional operators */
+  arrayFilters?: Document[];
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+  hint?: Document;
+  /** Limits the fields to return for all matching documents. */
+  projection?: Document;
+  /** When set to 'after', returns the updated document rather than the original. The default is 'before'.  */
+  returnDocument?: ReturnDocument;
+  /** Determines which document the operation modifies if the query selects multiple documents. */
+  sort?: Sort;
+  /** Upsert the document if it does not exist. */
+  upsert?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @internal */
+interface FindAndModifyCmdBase {
+  remove: boolean;
+  new: boolean;
+  upsert: boolean;
+  update?: Document;
+  sort?: SortForCmd;
+  fields?: Document;
+  bypassDocumentValidation?: boolean;
+  arrayFilters?: Document[];
+  maxTimeMS?: number;
+  let?: Document;
+  writeConcern?: WriteConcern | WriteConcernSettings;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions pre-4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+   */
+  comment?: unknown;
+}
+
+function configureFindAndModifyCmdBaseUpdateOpts(
+  cmdBase: FindAndModifyCmdBase,
+  options: FindOneAndReplaceOptions | FindOneAndUpdateOptions
+): FindAndModifyCmdBase {
+  cmdBase.new = options.returnDocument === ReturnDocument.AFTER;
+  cmdBase.upsert = options.upsert === true;
+
+  if (options.bypassDocumentValidation === true) {
+    cmdBase.bypassDocumentValidation = options.bypassDocumentValidation;
+  }
+  return cmdBase;
+}
+
+/** @internal */
+class FindAndModifyOperation extends CommandOperation<Document> {
+  override options: FindOneAndReplaceOptions | FindOneAndUpdateOptions | FindOneAndDeleteOptions;
+  cmdBase: FindAndModifyCmdBase;
+  collection: Collection;
+  query: Document;
+  doc?: Document;
+
+  constructor(
+    collection: Collection,
+    query: Document,
+    options: FindOneAndReplaceOptions | FindOneAndUpdateOptions | FindOneAndDeleteOptions
+  ) {
+    super(collection, options);
+    this.options = options ?? {};
+    this.cmdBase = {
+      remove: false,
+      new: false,
+      upsert: false
+    };
+
+    const sort = formatSort(options.sort);
+    if (sort) {
+      this.cmdBase.sort = sort;
+    }
+
+    if (options.projection) {
+      this.cmdBase.fields = options.projection;
+    }
+
+    if (options.maxTimeMS) {
+      this.cmdBase.maxTimeMS = options.maxTimeMS;
+    }
+
+    // Decorate the findAndModify command with the write Concern
+    if (options.writeConcern) {
+      this.cmdBase.writeConcern = options.writeConcern;
+    }
+
+    if (options.let) {
+      this.cmdBase.let = options.let;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      this.cmdBase.comment = options.comment;
+    }
+
+    // force primary read preference
+    this.readPreference = ReadPreference.primary;
+
+    this.collection = collection;
+    this.query = query;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const coll = this.collection;
+    const query = this.query;
+    const options = { ...this.options, ...this.bsonOptions };
+
+    // Create findAndModify command object
+    const cmd: Document = {
+      findAndModify: coll.collectionName,
+      query: query,
+      ...this.cmdBase
+    };
+
+    // Have we specified collation
+    try {
+      decorateWithCollation(cmd, coll, options);
+    } catch (err) {
+      return callback(err);
+    }
+
+    if (options.hint) {
+      // TODO: once this method becomes a CommandOperation we will have the server
+      // in place to check.
+      const unacknowledgedWrite = this.writeConcern?.w === 0;
+      if (unacknowledgedWrite || maxWireVersion(server) < 8) {
+        callback(
+          new MongoCompatibilityError(
+            'The current topology does not support a hint on findAndModify commands'
+          )
+        );
+
+        return;
+      }
+
+      cmd.hint = options.hint;
+    }
+
+    if (this.explain && maxWireVersion(server) < 4) {
+      callback(
+        new MongoCompatibilityError(
+          `Server ${server.name} does not support explain on findAndModify`
+        )
+      );
+      return;
+    }
+
+    // Execute the command
+    super.executeCommand(server, session, cmd, (err, result) => {
+      if (err) return callback(err);
+      return callback(undefined, result);
+    });
+  }
+}
+
+/** @internal */
+export class FindOneAndDeleteOperation extends FindAndModifyOperation {
+  constructor(collection: Collection, filter: Document, options: FindOneAndDeleteOptions) {
+    // Basic validation
+    if (filter == null || typeof filter !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "filter" must be an object');
+    }
+
+    super(collection, filter, options);
+    this.cmdBase.remove = true;
+  }
+}
+
+/** @internal */
+export class FindOneAndReplaceOperation extends FindAndModifyOperation {
+  constructor(
+    collection: Collection,
+    filter: Document,
+    replacement: Document,
+    options: FindOneAndReplaceOptions
+  ) {
+    if (filter == null || typeof filter !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "filter" must be an object');
+    }
+
+    if (replacement == null || typeof replacement !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "replacement" must be an object');
+    }
+
+    if (hasAtomicOperators(replacement)) {
+      throw new MongoInvalidArgumentError('Replacement document must not contain atomic operators');
+    }
+
+    super(collection, filter, options);
+    this.cmdBase.update = replacement;
+    configureFindAndModifyCmdBaseUpdateOpts(this.cmdBase, options);
+  }
+}
+
+/** @internal */
+export class FindOneAndUpdateOperation extends FindAndModifyOperation {
+  constructor(
+    collection: Collection,
+    filter: Document,
+    update: Document,
+    options: FindOneAndUpdateOptions
+  ) {
+    if (filter == null || typeof filter !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "filter" must be an object');
+    }
+
+    if (update == null || typeof update !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "update" must be an object');
+    }
+
+    if (!hasAtomicOperators(update)) {
+      throw new MongoInvalidArgumentError('Update document requires atomic operators');
+    }
+
+    super(collection, filter, options);
+    this.cmdBase.update = update;
+    configureFindAndModifyCmdBaseUpdateOpts(this.cmdBase, options);
+
+    if (options.arrayFilters) {
+      this.cmdBase.arrayFilters = options.arrayFilters;
+    }
+  }
+}
+
+defineAspects(FindAndModifyOperation, [
+  Aspect.WRITE_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.EXPLAINABLE
+]);
diff --git a/node_modules/mongodb/src/operations/get_more.ts b/node_modules/mongodb/src/operations/get_more.ts
new file mode 100644
index 000000000..c86c3f368
--- /dev/null
+++ b/node_modules/mongodb/src/operations/get_more.ts
@@ -0,0 +1,106 @@
+import type { Document, Long } from '../bson';
+import { MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, maxWireVersion, MongoDBNamespace } from '../utils';
+import { AbstractOperation, Aspect, defineAspects, OperationOptions } from './operation';
+
+/** @internal */
+export interface GetMoreOptions extends OperationOptions {
+  /** Set the batchSize for the getMoreCommand when iterating over the query results. */
+  batchSize?: number;
+  /**
+   * Comment to apply to the operation.
+   *
+   * getMore only supports 'comment' in server versions 4.4 and above.
+   */
+  comment?: unknown;
+  /** Number of milliseconds to wait before aborting the query. */
+  maxTimeMS?: number;
+  /** TODO(NODE-4413): Address bug with maxAwaitTimeMS not being passed in from the cursor correctly */
+  maxAwaitTimeMS?: number;
+}
+
+/**
+ * GetMore command: https://www.mongodb.com/docs/manual/reference/command/getMore/
+ * @internal
+ */
+export interface GetMoreCommand {
+  getMore: Long;
+  collection: string;
+  batchSize?: number;
+  maxTimeMS?: number;
+  /** Only supported on wire versions 10 or greater */
+  comment?: unknown;
+}
+
+/** @internal */
+export class GetMoreOperation extends AbstractOperation {
+  cursorId: Long;
+  override options: GetMoreOptions;
+
+  constructor(ns: MongoDBNamespace, cursorId: Long, server: Server, options: GetMoreOptions) {
+    super(options);
+
+    this.options = options;
+    this.ns = ns;
+    this.cursorId = cursorId;
+    this.server = server;
+  }
+
+  /**
+   * Although there is a server already associated with the get more operation, the signature
+   * for execute passes a server so we will just use that one.
+   */
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    if (server !== this.server) {
+      return callback(
+        new MongoRuntimeError('Getmore must run on the same server operation began on')
+      );
+    }
+
+    if (this.cursorId == null || this.cursorId.isZero()) {
+      return callback(new MongoRuntimeError('Unable to iterate cursor with no id'));
+    }
+
+    const collection = this.ns.collection;
+    if (collection == null) {
+      // Cursors should have adopted the namespace returned by MongoDB
+      // which should always defined a collection name (even a pseudo one, ex. db.aggregate())
+      return callback(new MongoRuntimeError('A collection name must be determined before getMore'));
+    }
+
+    const getMoreCmd: GetMoreCommand = {
+      getMore: this.cursorId,
+      collection
+    };
+
+    if (typeof this.options.batchSize === 'number') {
+      getMoreCmd.batchSize = Math.abs(this.options.batchSize);
+    }
+
+    if (typeof this.options.maxAwaitTimeMS === 'number') {
+      getMoreCmd.maxTimeMS = this.options.maxAwaitTimeMS;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (this.options.comment !== undefined && maxWireVersion(server) >= 9) {
+      getMoreCmd.comment = this.options.comment;
+    }
+
+    const commandOptions = {
+      returnFieldSelector: null,
+      documentsReturnedIn: 'nextBatch',
+      ...this.options
+    };
+
+    server.command(this.ns, getMoreCmd, commandOptions, callback);
+  }
+}
+
+defineAspects(GetMoreOperation, [Aspect.READ_OPERATION, Aspect.MUST_SELECT_SAME_SERVER]);
diff --git a/node_modules/mongodb/src/operations/indexes.ts b/node_modules/mongodb/src/operations/indexes.ts
new file mode 100644
index 000000000..f1dfceeaa
--- /dev/null
+++ b/node_modules/mongodb/src/operations/indexes.ts
@@ -0,0 +1,500 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Db } from '../db';
+import { MongoCompatibilityError, MONGODB_ERROR_CODES, MongoServerError } from '../error';
+import type { OneOrMore } from '../mongo_types';
+import { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, isObject, maxWireVersion, MongoDBNamespace } from '../utils';
+import {
+  CollationOptions,
+  CommandOperation,
+  CommandOperationOptions,
+  OperationParent
+} from './command';
+import { indexInformation, IndexInformationOptions } from './common_functions';
+import { AbstractOperation, Aspect, defineAspects } from './operation';
+
+const VALID_INDEX_OPTIONS = new Set([
+  'background',
+  'unique',
+  'name',
+  'partialFilterExpression',
+  'sparse',
+  'hidden',
+  'expireAfterSeconds',
+  'storageEngine',
+  'collation',
+  'version',
+
+  // text indexes
+  'weights',
+  'default_language',
+  'language_override',
+  'textIndexVersion',
+
+  // 2d-sphere indexes
+  '2dsphereIndexVersion',
+
+  // 2d indexes
+  'bits',
+  'min',
+  'max',
+
+  // geoHaystack Indexes
+  'bucketSize',
+
+  // wildcard indexes
+  'wildcardProjection'
+]);
+
+/** @public */
+export type IndexDirection = -1 | 1 | '2d' | '2dsphere' | 'text' | 'geoHaystack' | number;
+function isIndexDirection(x: unknown): x is IndexDirection {
+  return (
+    typeof x === 'number' || x === '2d' || x === '2dsphere' || x === 'text' || x === 'geoHaystack'
+  );
+}
+/** @public */
+export type IndexSpecification = OneOrMore<
+  | string
+  | [string, IndexDirection]
+  | { [key: string]: IndexDirection }
+  | Map<string, IndexDirection>
+>;
+
+/** @public */
+export interface IndexDescription
+  extends Pick<
+    CreateIndexesOptions,
+    | 'background'
+    | 'unique'
+    | 'partialFilterExpression'
+    | 'sparse'
+    | 'hidden'
+    | 'expireAfterSeconds'
+    | 'storageEngine'
+    | 'version'
+    | 'weights'
+    | 'default_language'
+    | 'language_override'
+    | 'textIndexVersion'
+    | '2dsphereIndexVersion'
+    | 'bits'
+    | 'min'
+    | 'max'
+    | 'bucketSize'
+    | 'wildcardProjection'
+  > {
+  collation?: CollationOptions;
+  name?: string;
+  key: { [key: string]: IndexDirection } | Map<string, IndexDirection>;
+}
+
+/** @public */
+export interface CreateIndexesOptions extends CommandOperationOptions {
+  /** Creates the index in the background, yielding whenever possible. */
+  background?: boolean;
+  /** Creates an unique index. */
+  unique?: boolean;
+  /** Override the autogenerated index name (useful if the resulting name is larger than 128 bytes) */
+  name?: string;
+  /** Creates a partial index based on the given filter object (MongoDB 3.2 or higher) */
+  partialFilterExpression?: Document;
+  /** Creates a sparse index. */
+  sparse?: boolean;
+  /** Allows you to expire data on indexes applied to a data (MongoDB 2.2 or higher) */
+  expireAfterSeconds?: number;
+  /** Allows users to configure the storage engine on a per-index basis when creating an index. (MongoDB 3.0 or higher) */
+  storageEngine?: Document;
+  /** (MongoDB 4.4. or higher) Specifies how many data-bearing members of a replica set, including the primary, must complete the index builds successfully before the primary marks the indexes as ready. This option accepts the same values for the "w" field in a write concern plus "votingMembers", which indicates all voting data-bearing nodes. */
+  commitQuorum?: number | string;
+  /** Specifies the index version number, either 0 or 1. */
+  version?: number;
+  // text indexes
+  weights?: Document;
+  default_language?: string;
+  language_override?: string;
+  textIndexVersion?: number;
+  // 2d-sphere indexes
+  '2dsphereIndexVersion'?: number;
+  // 2d indexes
+  bits?: number;
+  /** For geospatial indexes set the lower bound for the co-ordinates. */
+  min?: number;
+  /** For geospatial indexes set the high bound for the co-ordinates. */
+  max?: number;
+  // geoHaystack Indexes
+  bucketSize?: number;
+  // wildcard indexes
+  wildcardProjection?: Document;
+  /** Specifies that the index should exist on the target collection but should not be used by the query planner when executing operations. (MongoDB 4.4 or higher) */
+  hidden?: boolean;
+}
+
+function isSingleIndexTuple(t: unknown): t is [string, IndexDirection] {
+  return Array.isArray(t) && t.length === 2 && isIndexDirection(t[1]);
+}
+
+function makeIndexSpec(
+  indexSpec: IndexSpecification,
+  options?: CreateIndexesOptions
+): IndexDescription {
+  const key: Map<string, IndexDirection> = new Map();
+
+  const indexSpecs =
+    !Array.isArray(indexSpec) || isSingleIndexTuple(indexSpec) ? [indexSpec] : indexSpec;
+
+  // Iterate through array and handle different types
+  for (const spec of indexSpecs) {
+    if (typeof spec === 'string') {
+      key.set(spec, 1);
+    } else if (Array.isArray(spec)) {
+      key.set(spec[0], spec[1] ?? 1);
+    } else if (spec instanceof Map) {
+      for (const [property, value] of spec) {
+        key.set(property, value);
+      }
+    } else if (isObject(spec)) {
+      for (const [property, value] of Object.entries(spec)) {
+        key.set(property, value);
+      }
+    }
+  }
+
+  return { ...options, key };
+}
+
+/** @internal */
+export class IndexesOperation extends AbstractOperation<Document[]> {
+  override options: IndexInformationOptions;
+  collection: Collection;
+
+  constructor(collection: Collection, options: IndexInformationOptions) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document[]>
+  ): void {
+    const coll = this.collection;
+    const options = this.options;
+
+    indexInformation(
+      coll.s.db,
+      coll.collectionName,
+      { full: true, ...options, readPreference: this.readPreference, session },
+      callback
+    );
+  }
+}
+
+/** @internal */
+export class CreateIndexesOperation<
+  T extends string | string[] = string[]
+> extends CommandOperation<T> {
+  override options: CreateIndexesOptions;
+  collectionName: string;
+  indexes: ReadonlyArray<Omit<IndexDescription, 'key'> & { key: Map<string, IndexDirection> }>;
+
+  constructor(
+    parent: OperationParent,
+    collectionName: string,
+    indexes: IndexDescription[],
+    options?: CreateIndexesOptions
+  ) {
+    super(parent, options);
+
+    this.options = options ?? {};
+    this.collectionName = collectionName;
+    this.indexes = indexes.map(userIndex => {
+      // Ensure the key is a Map to preserve index key ordering
+      const key =
+        userIndex.key instanceof Map ? userIndex.key : new Map(Object.entries(userIndex.key));
+      const name = userIndex.name != null ? userIndex.name : Array.from(key).flat().join('_');
+      const validIndexOptions = Object.fromEntries(
+        Object.entries({ ...userIndex }).filter(([optionName]) =>
+          VALID_INDEX_OPTIONS.has(optionName)
+        )
+      );
+      return {
+        ...validIndexOptions,
+        name,
+        key
+      };
+    });
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<T>
+  ): void {
+    const options = this.options;
+    const indexes = this.indexes;
+
+    const serverWireVersion = maxWireVersion(server);
+
+    const cmd: Document = { createIndexes: this.collectionName, indexes };
+
+    if (options.commitQuorum != null) {
+      if (serverWireVersion < 9) {
+        callback(
+          new MongoCompatibilityError(
+            'Option `commitQuorum` for `createIndexes` not supported on servers < 4.4'
+          )
+        );
+        return;
+      }
+      cmd.commitQuorum = options.commitQuorum;
+    }
+
+    // collation is set on each index, it should not be defined at the root
+    this.options.collation = undefined;
+
+    super.executeCommand(server, session, cmd, err => {
+      if (err) {
+        callback(err);
+        return;
+      }
+
+      const indexNames = indexes.map(index => index.name || '');
+      callback(undefined, indexNames as T);
+    });
+  }
+}
+
+/** @internal */
+export class CreateIndexOperation extends CreateIndexesOperation<string> {
+  constructor(
+    parent: OperationParent,
+    collectionName: string,
+    indexSpec: IndexSpecification,
+    options?: CreateIndexesOptions
+  ) {
+    super(parent, collectionName, [makeIndexSpec(indexSpec, options)], options);
+  }
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<string>
+  ): void {
+    super.execute(server, session, (err, indexNames) => {
+      if (err || !indexNames) return callback(err);
+      return callback(undefined, indexNames[0]);
+    });
+  }
+}
+
+/** @internal */
+export class EnsureIndexOperation extends CreateIndexOperation {
+  db: Db;
+
+  constructor(
+    db: Db,
+    collectionName: string,
+    indexSpec: IndexSpecification,
+    options?: CreateIndexesOptions
+  ) {
+    super(db, collectionName, indexSpec, options);
+
+    this.readPreference = ReadPreference.primary;
+    this.db = db;
+    this.collectionName = collectionName;
+  }
+
+  override execute(server: Server, session: ClientSession | undefined, callback: Callback): void {
+    const indexName = this.indexes[0].name;
+    const cursor = this.db.collection(this.collectionName).listIndexes({ session });
+    cursor.toArray((err, indexes) => {
+      /// ignore "NamespaceNotFound" errors
+      if (err && (err as MongoServerError).code !== MONGODB_ERROR_CODES.NamespaceNotFound) {
+        return callback(err);
+      }
+
+      if (indexes) {
+        indexes = Array.isArray(indexes) ? indexes : [indexes];
+        if (indexes.some(index => index.name === indexName)) {
+          callback(undefined, indexName);
+          return;
+        }
+      }
+
+      super.execute(server, session, callback);
+    });
+  }
+}
+
+/** @public */
+export type DropIndexesOptions = CommandOperationOptions;
+
+/** @internal */
+export class DropIndexOperation extends CommandOperation<Document> {
+  override options: DropIndexesOptions;
+  collection: Collection;
+  indexName: string;
+
+  constructor(collection: Collection, indexName: string, options?: DropIndexesOptions) {
+    super(collection, options);
+
+    this.options = options ?? {};
+    this.collection = collection;
+    this.indexName = indexName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const cmd = { dropIndexes: this.collection.collectionName, index: this.indexName };
+    super.executeCommand(server, session, cmd, callback);
+  }
+}
+
+/** @internal */
+export class DropIndexesOperation extends DropIndexOperation {
+  constructor(collection: Collection, options: DropIndexesOptions) {
+    super(collection, '*', options);
+  }
+
+  override execute(server: Server, session: ClientSession | undefined, callback: Callback): void {
+    super.execute(server, session, err => {
+      if (err) return callback(err, false);
+      callback(undefined, true);
+    });
+  }
+}
+
+/** @public */
+export interface ListIndexesOptions extends CommandOperationOptions {
+  /** The batchSize for the returned command cursor or if pre 2.8 the systems batch collection */
+  batchSize?: number;
+}
+
+/** @internal */
+export class ListIndexesOperation extends CommandOperation<Document> {
+  override options: ListIndexesOptions;
+  collectionNamespace: MongoDBNamespace;
+
+  constructor(collection: Collection, options?: ListIndexesOptions) {
+    super(collection, options);
+
+    this.options = options ?? {};
+    this.collectionNamespace = collection.s.namespace;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const serverWireVersion = maxWireVersion(server);
+
+    const cursor = this.options.batchSize ? { batchSize: this.options.batchSize } : {};
+
+    const command: Document = { listIndexes: this.collectionNamespace.collection, cursor };
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (serverWireVersion >= 9 && this.options.comment !== undefined) {
+      command.comment = this.options.comment;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/** @internal */
+export class IndexExistsOperation extends AbstractOperation<boolean> {
+  override options: IndexInformationOptions;
+  collection: Collection;
+  indexes: string | string[];
+
+  constructor(
+    collection: Collection,
+    indexes: string | string[],
+    options: IndexInformationOptions
+  ) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+    this.indexes = indexes;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    const coll = this.collection;
+    const indexes = this.indexes;
+
+    indexInformation(
+      coll.s.db,
+      coll.collectionName,
+      { ...this.options, readPreference: this.readPreference, session },
+      (err, indexInformation) => {
+        // If we have an error return
+        if (err != null) return callback(err);
+        // Let's check for the index names
+        if (!Array.isArray(indexes)) return callback(undefined, indexInformation[indexes] != null);
+        // Check in list of indexes
+        for (let i = 0; i < indexes.length; i++) {
+          if (indexInformation[indexes[i]] == null) {
+            return callback(undefined, false);
+          }
+        }
+
+        // All keys found return true
+        return callback(undefined, true);
+      }
+    );
+  }
+}
+
+/** @internal */
+export class IndexInformationOperation extends AbstractOperation<Document> {
+  override options: IndexInformationOptions;
+  db: Db;
+  name: string;
+
+  constructor(db: Db, name: string, options?: IndexInformationOptions) {
+    super(options);
+    this.options = options ?? {};
+    this.db = db;
+    this.name = name;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const db = this.db;
+    const name = this.name;
+
+    indexInformation(
+      db,
+      name,
+      { ...this.options, readPreference: this.readPreference, session },
+      callback
+    );
+  }
+}
+
+defineAspects(ListIndexesOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.CURSOR_CREATING
+]);
+defineAspects(CreateIndexesOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(CreateIndexOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(EnsureIndexOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(DropIndexOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(DropIndexesOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongodb/src/operations/insert.ts b/node_modules/mongodb/src/operations/insert.ts
new file mode 100644
index 000000000..6475a5cfe
--- /dev/null
+++ b/node_modules/mongodb/src/operations/insert.ts
@@ -0,0 +1,158 @@
+import type { Document } from '../bson';
+import type { BulkWriteOptions } from '../bulk/common';
+import type { Collection } from '../collection';
+import { MongoInvalidArgumentError, MongoServerError } from '../error';
+import type { InferIdType } from '../mongo_types';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback, MongoDBNamespace } from '../utils';
+import { WriteConcern } from '../write_concern';
+import { BulkWriteOperation } from './bulk_write';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { prepareDocs } from './common_functions';
+import { AbstractOperation, Aspect, defineAspects } from './operation';
+
+/** @internal */
+export class InsertOperation extends CommandOperation<Document> {
+  override options: BulkWriteOptions;
+  documents: Document[];
+
+  constructor(ns: MongoDBNamespace, documents: Document[], options: BulkWriteOptions) {
+    super(undefined, options);
+    this.options = { ...options, checkKeys: options.checkKeys ?? false };
+    this.ns = ns;
+    this.documents = documents;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const options = this.options ?? {};
+    const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+    const command: Document = {
+      insert: this.ns.collection,
+      documents: this.documents,
+      ordered
+    };
+
+    if (typeof options.bypassDocumentValidation === 'boolean') {
+      command.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      command.comment = options.comment;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/** @public */
+export interface InsertOneOptions extends CommandOperationOptions {
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** Force server to assign _id values instead of driver. */
+  forceServerObjectId?: boolean;
+}
+
+/** @public */
+export interface InsertOneResult<TSchema = Document> {
+  /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+  acknowledged: boolean;
+  /** The identifier that was inserted. If the server generated the identifier, this value will be null as the driver does not have access to that data */
+  insertedId: InferIdType<TSchema>;
+}
+
+export class InsertOneOperation extends InsertOperation {
+  constructor(collection: Collection, doc: Document, options: InsertOneOptions) {
+    super(collection.s.namespace, prepareDocs(collection, [doc], options), options);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<InsertOneResult>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || res == null) return callback(err);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) {
+        // This should be a WriteError but we can't change it now because of error hierarchy
+        return callback(new MongoServerError(res.writeErrors[0]));
+      }
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        insertedId: this.documents[0]._id
+      });
+    });
+  }
+}
+
+/** @public */
+export interface InsertManyResult<TSchema = Document> {
+  /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+  acknowledged: boolean;
+  /** The number of inserted documents for this operations */
+  insertedCount: number;
+  /** Map of the index of the inserted document to the id of the inserted document */
+  insertedIds: { [key: number]: InferIdType<TSchema> };
+}
+
+/** @internal */
+export class InsertManyOperation extends AbstractOperation<InsertManyResult> {
+  override options: BulkWriteOptions;
+  collection: Collection;
+  docs: Document[];
+
+  constructor(collection: Collection, docs: Document[], options: BulkWriteOptions) {
+    super(options);
+
+    if (!Array.isArray(docs)) {
+      throw new MongoInvalidArgumentError('Argument "docs" must be an array of documents');
+    }
+
+    this.options = options;
+    this.collection = collection;
+    this.docs = docs;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<InsertManyResult>
+  ): void {
+    const coll = this.collection;
+    const options = { ...this.options, ...this.bsonOptions, readPreference: this.readPreference };
+    const writeConcern = WriteConcern.fromOptions(options);
+    const bulkWriteOperation = new BulkWriteOperation(
+      coll,
+      prepareDocs(coll, this.docs, options).map(document => ({ insertOne: { document } })),
+      options
+    );
+
+    bulkWriteOperation.execute(server, session, (err, res) => {
+      if (err || res == null) {
+        if (err && err.message === 'Operation must be an object with an operation key') {
+          err = new MongoInvalidArgumentError(
+            'Collection.insertMany() cannot be called with an array that has null/undefined values'
+          );
+        }
+        return callback(err);
+      }
+      callback(undefined, {
+        acknowledged: writeConcern?.w !== 0 ?? true,
+        insertedCount: res.insertedCount,
+        insertedIds: res.insertedIds
+      });
+    });
+  }
+}
+
+defineAspects(InsertOperation, [Aspect.RETRYABLE, Aspect.WRITE_OPERATION]);
+defineAspects(InsertOneOperation, [Aspect.RETRYABLE, Aspect.WRITE_OPERATION]);
+defineAspects(InsertManyOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongodb/src/operations/is_capped.ts b/node_modules/mongodb/src/operations/is_capped.ts
new file mode 100644
index 000000000..938c72f41
--- /dev/null
+++ b/node_modules/mongodb/src/operations/is_capped.ts
@@ -0,0 +1,42 @@
+import type { Collection } from '../collection';
+import { MongoAPIError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractOperation, OperationOptions } from './operation';
+
+/** @internal */
+export class IsCappedOperation extends AbstractOperation<boolean> {
+  override options: OperationOptions;
+  collection: Collection;
+
+  constructor(collection: Collection, options: OperationOptions) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    const coll = this.collection;
+
+    coll.s.db
+      .listCollections(
+        { name: coll.collectionName },
+        { ...this.options, nameOnly: false, readPreference: this.readPreference, session }
+      )
+      .toArray((err, collections) => {
+        if (err || !collections) return callback(err);
+        if (collections.length === 0) {
+          // TODO(NODE-3485)
+          return callback(new MongoAPIError(`collection ${coll.namespace} not found`));
+        }
+
+        const collOptions = collections[0].options;
+        callback(undefined, !!(collOptions && collOptions.capped));
+      });
+  }
+}
diff --git a/node_modules/mongodb/src/operations/kill_cursors.ts b/node_modules/mongodb/src/operations/kill_cursors.ts
new file mode 100644
index 000000000..59c78c15d
--- /dev/null
+++ b/node_modules/mongodb/src/operations/kill_cursors.ts
@@ -0,0 +1,53 @@
+import type { Long } from '../bson';
+import { MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback, MongoDBNamespace } from '../utils';
+import { AbstractOperation, Aspect, defineAspects, OperationOptions } from './operation';
+
+/**
+ * https://www.mongodb.com/docs/manual/reference/command/killCursors/
+ * @internal
+ */
+interface KillCursorsCommand {
+  killCursors: string;
+  cursors: Long[];
+  comment?: unknown;
+}
+
+export class KillCursorsOperation extends AbstractOperation {
+  cursorId: Long;
+
+  constructor(cursorId: Long, ns: MongoDBNamespace, server: Server, options: OperationOptions) {
+    super(options);
+    this.ns = ns;
+    this.cursorId = cursorId;
+    this.server = server;
+  }
+
+  execute(server: Server, session: ClientSession | undefined, callback: Callback<void>): void {
+    if (server !== this.server) {
+      return callback(
+        new MongoRuntimeError('Killcursor must run on the same server operation began on')
+      );
+    }
+
+    const killCursors = this.ns.collection;
+    if (killCursors == null) {
+      // Cursors should have adopted the namespace returned by MongoDB
+      // which should always defined a collection name (even a pseudo one, ex. db.aggregate())
+      return callback(
+        new MongoRuntimeError('A collection name must be determined before killCursors')
+      );
+    }
+
+    const killCursorsCommand: KillCursorsCommand = {
+      killCursors,
+      cursors: [this.cursorId]
+    };
+
+    server.command(this.ns, killCursorsCommand, { session }, () => callback());
+  }
+}
+
+defineAspects(KillCursorsOperation, [Aspect.MUST_SELECT_SAME_SERVER]);
diff --git a/node_modules/mongodb/src/operations/list_collections.ts b/node_modules/mongodb/src/operations/list_collections.ts
new file mode 100644
index 000000000..ae1c15ec2
--- /dev/null
+++ b/node_modules/mongodb/src/operations/list_collections.ts
@@ -0,0 +1,91 @@
+import type { Binary, Document } from '../bson';
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, maxWireVersion } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface ListCollectionsOptions extends CommandOperationOptions {
+  /** Since 4.0: If true, will only return the collection name in the response, and will omit additional info */
+  nameOnly?: boolean;
+  /** Since 4.0: If true and nameOnly is true, allows a user without the required privilege (i.e. listCollections action on the database) to run the command when access control is enforced. */
+  authorizedCollections?: boolean;
+  /** The batchSize for the returned command cursor or if pre 2.8 the systems batch collection */
+  batchSize?: number;
+}
+
+/** @internal */
+export class ListCollectionsOperation extends CommandOperation<string[]> {
+  override options: ListCollectionsOptions;
+  db: Db;
+  filter: Document;
+  nameOnly: boolean;
+  authorizedCollections: boolean;
+  batchSize?: number;
+
+  constructor(db: Db, filter: Document, options?: ListCollectionsOptions) {
+    super(db, options);
+
+    this.options = options ?? {};
+    this.db = db;
+    this.filter = filter;
+    this.nameOnly = !!this.options.nameOnly;
+    this.authorizedCollections = !!this.options.authorizedCollections;
+
+    if (typeof this.options.batchSize === 'number') {
+      this.batchSize = this.options.batchSize;
+    }
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<string[]>
+  ): void {
+    return super.executeCommand(
+      server,
+      session,
+      this.generateCommand(maxWireVersion(server)),
+      callback
+    );
+  }
+
+  /* This is here for the purpose of unit testing the final command that gets sent. */
+  generateCommand(wireVersion: number): Document {
+    const command: Document = {
+      listCollections: 1,
+      filter: this.filter,
+      cursor: this.batchSize ? { batchSize: this.batchSize } : {},
+      nameOnly: this.nameOnly,
+      authorizedCollections: this.authorizedCollections
+    };
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (wireVersion >= 9 && this.options.comment !== undefined) {
+      command.comment = this.options.comment;
+    }
+
+    return command;
+  }
+}
+
+/** @public */
+export interface CollectionInfo extends Document {
+  name: string;
+  type?: string;
+  options?: Document;
+  info?: {
+    readOnly?: false;
+    uuid?: Binary;
+  };
+  idIndex?: Document;
+}
+
+defineAspects(ListCollectionsOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.CURSOR_CREATING
+]);
diff --git a/node_modules/mongodb/src/operations/list_databases.ts b/node_modules/mongodb/src/operations/list_databases.ts
new file mode 100644
index 000000000..537c95290
--- /dev/null
+++ b/node_modules/mongodb/src/operations/list_databases.ts
@@ -0,0 +1,65 @@
+import type { Document } from '../bson';
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, maxWireVersion, MongoDBNamespace } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface ListDatabasesResult {
+  databases: ({ name: string; sizeOnDisk?: number; empty?: boolean } & Document)[];
+  totalSize?: number;
+  totalSizeMb?: number;
+  ok: 1 | 0;
+}
+
+/** @public */
+export interface ListDatabasesOptions extends CommandOperationOptions {
+  /** A query predicate that determines which databases are listed */
+  filter?: Document;
+  /** A flag to indicate whether the command should return just the database names, or return both database names and size information */
+  nameOnly?: boolean;
+  /** A flag that determines which databases are returned based on the user privileges when access control is enabled */
+  authorizedDatabases?: boolean;
+}
+
+/** @internal */
+export class ListDatabasesOperation extends CommandOperation<ListDatabasesResult> {
+  override options: ListDatabasesOptions;
+
+  constructor(db: Db, options?: ListDatabasesOptions) {
+    super(db, options);
+    this.options = options ?? {};
+    this.ns = new MongoDBNamespace('admin', '$cmd');
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<ListDatabasesResult>
+  ): void {
+    const cmd: Document = { listDatabases: 1 };
+    if (this.options.nameOnly) {
+      cmd.nameOnly = Number(cmd.nameOnly);
+    }
+
+    if (this.options.filter) {
+      cmd.filter = this.options.filter;
+    }
+
+    if (typeof this.options.authorizedDatabases === 'boolean') {
+      cmd.authorizedDatabases = this.options.authorizedDatabases;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (maxWireVersion(server) >= 9 && this.options.comment !== undefined) {
+      cmd.comment = this.options.comment;
+    }
+
+    super.executeCommand(server, session, cmd, callback);
+  }
+}
+
+defineAspects(ListDatabasesOperation, [Aspect.READ_OPERATION, Aspect.RETRYABLE]);
diff --git a/node_modules/mongodb/src/operations/map_reduce.ts b/node_modules/mongodb/src/operations/map_reduce.ts
new file mode 100644
index 000000000..f3134f45a
--- /dev/null
+++ b/node_modules/mongodb/src/operations/map_reduce.ts
@@ -0,0 +1,250 @@
+import type { ObjectId } from '../bson';
+import { Code, Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoServerError } from '../error';
+import { ReadPreference, ReadPreferenceMode } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Sort } from '../sort';
+import {
+  applyWriteConcern,
+  Callback,
+  decorateWithCollation,
+  decorateWithReadConcern,
+  isObject,
+  maxWireVersion
+} from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+const exclusionList = [
+  'explain',
+  'readPreference',
+  'readConcern',
+  'session',
+  'bypassDocumentValidation',
+  'writeConcern',
+  'raw',
+  'fieldsAsRaw',
+  'promoteLongs',
+  'promoteValues',
+  'promoteBuffers',
+  'bsonRegExp',
+  'serializeFunctions',
+  'ignoreUndefined',
+  'enableUtf8Validation',
+  'scope' // this option is reformatted thus exclude the original
+];
+
+/** @public */
+export type MapFunction<TSchema = Document> = (this: TSchema) => void;
+/** @public */
+export type ReduceFunction<TKey = ObjectId, TValue = any> = (key: TKey, values: TValue[]) => TValue;
+/** @public */
+export type FinalizeFunction<TKey = ObjectId, TValue = Document> = (
+  key: TKey,
+  reducedValue: TValue
+) => TValue;
+
+/** @public */
+export interface MapReduceOptions<TKey = ObjectId, TValue = Document>
+  extends CommandOperationOptions {
+  /** Sets the output target for the map reduce job. */
+  out?: 'inline' | { inline: 1 } | { replace: string } | { merge: string } | { reduce: string };
+  /** Query filter object. */
+  query?: Document;
+  /** Sorts the input objects using this key. Useful for optimization, like sorting by the emit key for fewer reduces. */
+  sort?: Sort;
+  /** Number of objects to return from collection. */
+  limit?: number;
+  /** Keep temporary data. */
+  keeptemp?: boolean;
+  /** Finalize function. */
+  finalize?: FinalizeFunction<TKey, TValue> | string;
+  /** Can pass in variables that can be access from map/reduce/finalize. */
+  scope?: Document;
+  /** It is possible to make the execution stay in JS. Provided in MongoDB \> 2.0.X. */
+  jsMode?: boolean;
+  /** Provide statistics on job execution time. */
+  verbose?: boolean;
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+}
+
+interface MapReduceStats {
+  processtime?: number;
+  counts?: number;
+  timing?: number;
+}
+
+/**
+ * Run Map Reduce across a collection. Be aware that the inline option for out will return an array of results not a collection.
+ * @internal
+ */
+export class MapReduceOperation extends CommandOperation<Document | Document[]> {
+  override options: MapReduceOptions;
+  collection: Collection;
+  /** The mapping function. */
+  map: MapFunction | string;
+  /** The reduce function. */
+  reduce: ReduceFunction | string;
+
+  /**
+   * Constructs a MapReduce operation.
+   *
+   * @param collection - Collection instance.
+   * @param map - The mapping function.
+   * @param reduce - The reduce function.
+   * @param options - Optional settings. See Collection.prototype.mapReduce for a list of options.
+   */
+  constructor(
+    collection: Collection,
+    map: MapFunction | string,
+    reduce: ReduceFunction | string,
+    options?: MapReduceOptions
+  ) {
+    super(collection, options);
+
+    this.options = options ?? {};
+    this.collection = collection;
+    this.map = map;
+    this.reduce = reduce;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document | Document[]>
+  ): void {
+    const coll = this.collection;
+    const map = this.map;
+    const reduce = this.reduce;
+    let options = this.options;
+
+    const mapCommandHash: Document = {
+      mapReduce: coll.collectionName,
+      map: map,
+      reduce: reduce
+    };
+
+    if (options.scope) {
+      mapCommandHash.scope = processScope(options.scope);
+    }
+
+    // Add any other options passed in
+    for (const n in options) {
+      // Only include if not in exclusion list
+      if (exclusionList.indexOf(n) === -1) {
+        mapCommandHash[n] = (options as any)[n];
+      }
+    }
+
+    options = Object.assign({}, options);
+
+    // If we have a read preference and inline is not set as output fail hard
+    if (
+      this.readPreference.mode === ReadPreferenceMode.primary &&
+      options.out &&
+      (options.out as any).inline !== 1 &&
+      options.out !== 'inline'
+    ) {
+      // Force readPreference to primary
+      options.readPreference = ReadPreference.primary;
+      // Decorate command with writeConcern if supported
+      applyWriteConcern(mapCommandHash, { db: coll.s.db, collection: coll }, options);
+    } else {
+      decorateWithReadConcern(mapCommandHash, coll, options);
+    }
+
+    // Is bypassDocumentValidation specified
+    if (options.bypassDocumentValidation === true) {
+      mapCommandHash.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+
+    // Have we specified collation
+    try {
+      decorateWithCollation(mapCommandHash, coll, options);
+    } catch (err) {
+      return callback(err);
+    }
+
+    if (this.explain && maxWireVersion(server) < 9) {
+      callback(
+        new MongoCompatibilityError(`Server ${server.name} does not support explain on mapReduce`)
+      );
+      return;
+    }
+
+    // Execute command
+    super.executeCommand(server, session, mapCommandHash, (err, result) => {
+      if (err) return callback(err);
+      // Check if we have an error
+      if (1 !== result.ok || result.err || result.errmsg) {
+        return callback(new MongoServerError(result));
+      }
+
+      // If an explain option was executed, don't process the server results
+      if (this.explain) return callback(undefined, result);
+
+      // Create statistics value
+      const stats: MapReduceStats = {};
+      if (result.timeMillis) stats['processtime'] = result.timeMillis;
+      if (result.counts) stats['counts'] = result.counts;
+      if (result.timing) stats['timing'] = result.timing;
+
+      // invoked with inline?
+      if (result.results) {
+        // If we wish for no verbosity
+        if (options['verbose'] == null || !options['verbose']) {
+          return callback(undefined, result.results);
+        }
+
+        return callback(undefined, { results: result.results, stats: stats });
+      }
+
+      // The returned collection
+      let collection = null;
+
+      // If we have an object it's a different db
+      if (result.result != null && typeof result.result === 'object') {
+        const doc = result.result;
+        // Return a collection from another db
+        collection = coll.s.db.s.client.db(doc.db, coll.s.db.s.options).collection(doc.collection);
+      } else {
+        // Create a collection object that wraps the result collection
+        collection = coll.s.db.collection(result.result);
+      }
+
+      // If we wish for no verbosity
+      if (options['verbose'] == null || !options['verbose']) {
+        return callback(err, collection);
+      }
+
+      // Return stats as third set of values
+      callback(err, { collection, stats });
+    });
+  }
+}
+
+/** Functions that are passed as scope args must be converted to Code instances. */
+function processScope(scope: Document | ObjectId) {
+  if (!isObject(scope) || (scope as any)._bsontype === 'ObjectID') {
+    return scope;
+  }
+
+  const newScope: Document = {};
+
+  for (const key of Object.keys(scope)) {
+    if ('function' === typeof (scope as Document)[key]) {
+      newScope[key] = new Code(String((scope as Document)[key]));
+    } else if ((scope as Document)[key]._bsontype === 'Code') {
+      newScope[key] = (scope as Document)[key];
+    } else {
+      newScope[key] = processScope((scope as Document)[key]);
+    }
+  }
+
+  return newScope;
+}
+
+defineAspects(MapReduceOperation, [Aspect.EXPLAINABLE]);
diff --git a/node_modules/mongodb/src/operations/operation.ts b/node_modules/mongodb/src/operations/operation.ts
new file mode 100644
index 000000000..0b5c52487
--- /dev/null
+++ b/node_modules/mongodb/src/operations/operation.ts
@@ -0,0 +1,125 @@
+import { BSONSerializeOptions, Document, resolveBSONOptions } from '../bson';
+import { ReadPreference, ReadPreferenceLike } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback, MongoDBNamespace } from '../utils';
+
+export const Aspect = {
+  READ_OPERATION: Symbol('READ_OPERATION'),
+  WRITE_OPERATION: Symbol('WRITE_OPERATION'),
+  RETRYABLE: Symbol('RETRYABLE'),
+  EXPLAINABLE: Symbol('EXPLAINABLE'),
+  SKIP_COLLATION: Symbol('SKIP_COLLATION'),
+  CURSOR_CREATING: Symbol('CURSOR_CREATING'),
+  MUST_SELECT_SAME_SERVER: Symbol('MUST_SELECT_SAME_SERVER')
+} as const;
+
+/** @public */
+export type Hint = string | Document;
+
+export interface OperationConstructor extends Function {
+  aspects?: Set<symbol>;
+}
+
+/** @public */
+export interface OperationOptions extends BSONSerializeOptions {
+  /** Specify ClientSession for this command */
+  session?: ClientSession;
+  willRetryWrite?: boolean;
+
+  /** The preferred read preference (ReadPreference.primary, ReadPreference.primary_preferred, ReadPreference.secondary, ReadPreference.secondary_preferred, ReadPreference.nearest). */
+  readPreference?: ReadPreferenceLike;
+
+  /** @internal Hints to `executeOperation` that this operation should not unpin on an ended transaction */
+  bypassPinningCheck?: boolean;
+  omitReadPreference?: boolean;
+}
+
+/** @internal */
+const kSession = Symbol('session');
+
+/**
+ * This class acts as a parent class for any operation and is responsible for setting this.options,
+ * as well as setting and getting a session.
+ * Additionally, this class implements `hasAspect`, which determines whether an operation has
+ * a specific aspect.
+ * @internal
+ */
+export abstract class AbstractOperation<TResult = any> {
+  ns!: MongoDBNamespace;
+  cmd!: Document;
+  readPreference: ReadPreference;
+  server!: Server;
+  bypassPinningCheck: boolean;
+  trySecondaryWrite: boolean;
+
+  // BSON serialization options
+  bsonOptions?: BSONSerializeOptions;
+
+  options: OperationOptions;
+
+  [kSession]: ClientSession | undefined;
+
+  constructor(options: OperationOptions = {}) {
+    this.readPreference = this.hasAspect(Aspect.WRITE_OPERATION)
+      ? ReadPreference.primary
+      : ReadPreference.fromOptions(options) ?? ReadPreference.primary;
+
+    // Pull the BSON serialize options from the already-resolved options
+    this.bsonOptions = resolveBSONOptions(options);
+
+    this[kSession] = options.session != null ? options.session : undefined;
+
+    this.options = options;
+    this.bypassPinningCheck = !!options.bypassPinningCheck;
+    this.trySecondaryWrite = false;
+  }
+
+  abstract execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<TResult>
+  ): void;
+
+  hasAspect(aspect: symbol): boolean {
+    const ctor = this.constructor as OperationConstructor;
+    if (ctor.aspects == null) {
+      return false;
+    }
+
+    return ctor.aspects.has(aspect);
+  }
+
+  get session(): ClientSession | undefined {
+    return this[kSession];
+  }
+
+  clearSession() {
+    this[kSession] = undefined;
+  }
+
+  get canRetryRead(): boolean {
+    return true;
+  }
+
+  get canRetryWrite(): boolean {
+    return true;
+  }
+}
+
+export function defineAspects(
+  operation: OperationConstructor,
+  aspects: symbol | symbol[] | Set<symbol>
+): Set<symbol> {
+  if (!Array.isArray(aspects) && !(aspects instanceof Set)) {
+    aspects = [aspects];
+  }
+
+  aspects = new Set(aspects);
+  Object.defineProperty(operation, 'aspects', {
+    value: aspects,
+    writable: false
+  });
+
+  return aspects;
+}
diff --git a/node_modules/mongodb/src/operations/options_operation.ts b/node_modules/mongodb/src/operations/options_operation.ts
new file mode 100644
index 000000000..27853d34e
--- /dev/null
+++ b/node_modules/mongodb/src/operations/options_operation.ts
@@ -0,0 +1,42 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoAPIError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractOperation, OperationOptions } from './operation';
+
+/** @internal */
+export class OptionsOperation extends AbstractOperation<Document> {
+  override options: OperationOptions;
+  collection: Collection;
+
+  constructor(collection: Collection, options: OperationOptions) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const coll = this.collection;
+
+    coll.s.db
+      .listCollections(
+        { name: coll.collectionName },
+        { ...this.options, nameOnly: false, readPreference: this.readPreference, session }
+      )
+      .toArray((err, collections) => {
+        if (err || !collections) return callback(err);
+        if (collections.length === 0) {
+          // TODO(NODE-3485)
+          return callback(new MongoAPIError(`collection ${coll.namespace} not found`));
+        }
+
+        callback(err, collections[0].options);
+      });
+  }
+}
diff --git a/node_modules/mongodb/src/operations/profiling_level.ts b/node_modules/mongodb/src/operations/profiling_level.ts
new file mode 100644
index 000000000..defe6b0d5
--- /dev/null
+++ b/node_modules/mongodb/src/operations/profiling_level.ts
@@ -0,0 +1,39 @@
+import type { Db } from '../db';
+import { MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+
+/** @public */
+export type ProfilingLevelOptions = CommandOperationOptions;
+
+/** @internal */
+export class ProfilingLevelOperation extends CommandOperation<string> {
+  override options: ProfilingLevelOptions;
+
+  constructor(db: Db, options: ProfilingLevelOptions) {
+    super(db, options);
+    this.options = options;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<string>
+  ): void {
+    super.executeCommand(server, session, { profile: -1 }, (err, doc) => {
+      if (err == null && doc.ok === 1) {
+        const was = doc.was;
+        if (was === 0) return callback(undefined, 'off');
+        if (was === 1) return callback(undefined, 'slow_only');
+        if (was === 2) return callback(undefined, 'all');
+        // TODO(NODE-3483)
+        return callback(new MongoRuntimeError(`Illegal profiling level value ${was}`));
+      } else {
+        // TODO(NODE-3483): Consider MongoUnexpectedServerResponseError
+        err != null ? callback(err) : callback(new MongoRuntimeError('Error with profile command'));
+      }
+    });
+  }
+}
diff --git a/node_modules/mongodb/src/operations/remove_user.ts b/node_modules/mongodb/src/operations/remove_user.ts
new file mode 100644
index 000000000..f32c19c24
--- /dev/null
+++ b/node_modules/mongodb/src/operations/remove_user.ts
@@ -0,0 +1,33 @@
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export type RemoveUserOptions = CommandOperationOptions;
+
+/** @internal */
+export class RemoveUserOperation extends CommandOperation<boolean> {
+  override options: RemoveUserOptions;
+  username: string;
+
+  constructor(db: Db, username: string, options: RemoveUserOptions) {
+    super(db, options);
+    this.options = options;
+    this.username = username;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    super.executeCommand(server, session, { dropUser: this.username }, err => {
+      callback(err, err ? false : true);
+    });
+  }
+}
+
+defineAspects(RemoveUserOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongodb/src/operations/rename.ts b/node_modules/mongodb/src/operations/rename.ts
new file mode 100644
index 000000000..02e27a5bf
--- /dev/null
+++ b/node_modules/mongodb/src/operations/rename.ts
@@ -0,0 +1,67 @@
+import type { Document } from '../bson';
+import { Collection } from '../collection';
+import { MongoServerError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, checkCollectionName } from '../utils';
+import type { CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+import { RunAdminCommandOperation } from './run_command';
+
+/** @public */
+export interface RenameOptions extends CommandOperationOptions {
+  /** Drop the target name collection if it previously exists. */
+  dropTarget?: boolean;
+  /** Unclear */
+  new_collection?: boolean;
+}
+
+/** @internal */
+export class RenameOperation extends RunAdminCommandOperation {
+  override options: RenameOptions;
+  collection: Collection;
+  newName: string;
+
+  constructor(collection: Collection, newName: string, options: RenameOptions) {
+    // Check the collection name
+    checkCollectionName(newName);
+
+    // Build the command
+    const renameCollection = collection.namespace;
+    const toCollection = collection.s.namespace.withCollection(newName).toString();
+    const dropTarget = typeof options.dropTarget === 'boolean' ? options.dropTarget : false;
+    const cmd = { renameCollection: renameCollection, to: toCollection, dropTarget: dropTarget };
+
+    super(collection, cmd, options);
+    this.options = options;
+    this.collection = collection;
+    this.newName = newName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Collection>
+  ): void {
+    const coll = this.collection;
+
+    super.execute(server, session, (err, doc) => {
+      if (err) return callback(err);
+      // We have an error
+      if (doc?.errmsg) {
+        return callback(new MongoServerError(doc));
+      }
+
+      let newColl: Collection<Document>;
+      try {
+        newColl = new Collection(coll.s.db, this.newName, coll.s.options);
+      } catch (err) {
+        return callback(err);
+      }
+
+      return callback(undefined, newColl);
+    });
+  }
+}
+
+defineAspects(RenameOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongodb/src/operations/run_command.ts b/node_modules/mongodb/src/operations/run_command.ts
new file mode 100644
index 000000000..b92237a9a
--- /dev/null
+++ b/node_modules/mongodb/src/operations/run_command.ts
@@ -0,0 +1,36 @@
+import type { Document } from '../bson';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, MongoDBNamespace } from '../utils';
+import { CommandOperation, CommandOperationOptions, OperationParent } from './command';
+
+/** @public */
+export type RunCommandOptions = CommandOperationOptions;
+
+/** @internal */
+export class RunCommandOperation<T = Document> extends CommandOperation<T> {
+  override options: RunCommandOptions;
+  command: Document;
+
+  constructor(parent: OperationParent | undefined, command: Document, options?: RunCommandOptions) {
+    super(parent, options);
+    this.options = options ?? {};
+    this.command = command;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<T>
+  ): void {
+    const command = this.command;
+    this.executeCommand(server, session, command, callback);
+  }
+}
+
+export class RunAdminCommandOperation<T = Document> extends RunCommandOperation<T> {
+  constructor(parent: OperationParent | undefined, command: Document, options?: RunCommandOptions) {
+    super(parent, command, options);
+    this.ns = new MongoDBNamespace('admin');
+  }
+}
diff --git a/node_modules/mongodb/src/operations/set_profiling_level.ts b/node_modules/mongodb/src/operations/set_profiling_level.ts
new file mode 100644
index 000000000..6fc8502dc
--- /dev/null
+++ b/node_modules/mongodb/src/operations/set_profiling_level.ts
@@ -0,0 +1,74 @@
+import type { Db } from '../db';
+import { MongoInvalidArgumentError, MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { enumToString } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+
+const levelValues = new Set(['off', 'slow_only', 'all']);
+
+/** @public */
+export const ProfilingLevel = Object.freeze({
+  off: 'off',
+  slowOnly: 'slow_only',
+  all: 'all'
+} as const);
+
+/** @public */
+export type ProfilingLevel = typeof ProfilingLevel[keyof typeof ProfilingLevel];
+
+/** @public */
+export type SetProfilingLevelOptions = CommandOperationOptions;
+
+/** @internal */
+export class SetProfilingLevelOperation extends CommandOperation<ProfilingLevel> {
+  override options: SetProfilingLevelOptions;
+  level: ProfilingLevel;
+  profile: 0 | 1 | 2;
+
+  constructor(db: Db, level: ProfilingLevel, options: SetProfilingLevelOptions) {
+    super(db, options);
+    this.options = options;
+    switch (level) {
+      case ProfilingLevel.off:
+        this.profile = 0;
+        break;
+      case ProfilingLevel.slowOnly:
+        this.profile = 1;
+        break;
+      case ProfilingLevel.all:
+        this.profile = 2;
+        break;
+      default:
+        this.profile = 0;
+        break;
+    }
+
+    this.level = level;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<ProfilingLevel>
+  ): void {
+    const level = this.level;
+
+    if (!levelValues.has(level)) {
+      return callback(
+        new MongoInvalidArgumentError(
+          `Profiling level must be one of "${enumToString(ProfilingLevel)}"`
+        )
+      );
+    }
+
+    // TODO(NODE-3483): Determine error to put here
+    super.executeCommand(server, session, { profile: this.profile }, (err, doc) => {
+      if (err == null && doc.ok === 1) return callback(undefined, level);
+      return err != null
+        ? callback(err)
+        : callback(new MongoRuntimeError('Error with profile command'));
+    });
+  }
+}
diff --git a/node_modules/mongodb/src/operations/stats.ts b/node_modules/mongodb/src/operations/stats.ts
new file mode 100644
index 000000000..b63a70de3
--- /dev/null
+++ b/node_modules/mongodb/src/operations/stats.ts
@@ -0,0 +1,271 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface CollStatsOptions extends CommandOperationOptions {
+  /** Divide the returned sizes by scale value. */
+  scale?: number;
+}
+
+/**
+ * Get all the collection statistics.
+ * @internal
+ */
+export class CollStatsOperation extends CommandOperation<Document> {
+  override options: CollStatsOptions;
+  collectionName: string;
+
+  /**
+   * Construct a Stats operation.
+   *
+   * @param collection - Collection instance
+   * @param options - Optional settings. See Collection.prototype.stats for a list of options.
+   */
+  constructor(collection: Collection, options?: CollStatsOptions) {
+    super(collection, options);
+    this.options = options ?? {};
+    this.collectionName = collection.collectionName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<CollStats>
+  ): void {
+    const command: Document = { collStats: this.collectionName };
+    if (this.options.scale != null) {
+      command.scale = this.options.scale;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/** @public */
+export interface DbStatsOptions extends CommandOperationOptions {
+  /** Divide the returned sizes by scale value. */
+  scale?: number;
+}
+
+/** @internal */
+export class DbStatsOperation extends CommandOperation<Document> {
+  override options: DbStatsOptions;
+
+  constructor(db: Db, options: DbStatsOptions) {
+    super(db, options);
+    this.options = options;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const command: Document = { dbStats: true };
+    if (this.options.scale != null) {
+      command.scale = this.options.scale;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/**
+ * @public
+ * @see https://docs.mongodb.org/manual/reference/command/collStats/
+ */
+export interface CollStats extends Document {
+  /** Namespace */
+  ns: string;
+  /** Number of documents */
+  count: number;
+  /** Collection size in bytes */
+  size: number;
+  /** Average object size in bytes */
+  avgObjSize: number;
+  /** (Pre)allocated space for the collection in bytes */
+  storageSize: number;
+  /** Number of extents (contiguously allocated chunks of datafile space) */
+  numExtents: number;
+  /** Number of indexes */
+  nindexes: number;
+  /** Size of the most recently created extent in bytes */
+  lastExtentSize: number;
+  /** Padding can speed up updates if documents grow */
+  paddingFactor: number;
+  /** A number that indicates the user-set flags on the collection. userFlags only appears when using the mmapv1 storage engine */
+  userFlags?: number;
+  /** Total index size in bytes */
+  totalIndexSize: number;
+  /** Size of specific indexes in bytes */
+  indexSizes: {
+    _id_: number;
+    [index: string]: number;
+  };
+  /** `true` if the collection is capped */
+  capped: boolean;
+  /** The maximum number of documents that may be present in a capped collection */
+  max: number;
+  /** The maximum size of a capped collection */
+  maxSize: number;
+  /** This document contains data reported directly by the WiredTiger engine and other data for internal diagnostic use */
+  wiredTiger?: WiredTigerData;
+  /** The fields in this document are the names of the indexes, while the values themselves are documents that contain statistics for the index provided by the storage engine */
+  indexDetails?: any;
+  ok: number;
+
+  /** The amount of storage available for reuse. The scale argument affects this value. */
+  freeStorageSize?: number;
+  /** An array that contains the names of the indexes that are currently being built on the collection */
+  indexBuilds?: number;
+  /** The sum of the storageSize and totalIndexSize. The scale argument affects this value */
+  totalSize: number;
+  /** The scale value used by the command. */
+  scaleFactor: number;
+}
+
+/** @public */
+export interface WiredTigerData extends Document {
+  LSM: {
+    'bloom filter false positives': number;
+    'bloom filter hits': number;
+    'bloom filter misses': number;
+    'bloom filter pages evicted from cache': number;
+    'bloom filter pages read into cache': number;
+    'bloom filters in the LSM tree': number;
+    'chunks in the LSM tree': number;
+    'highest merge generation in the LSM tree': number;
+    'queries that could have benefited from a Bloom filter that did not exist': number;
+    'sleep for LSM checkpoint throttle': number;
+    'sleep for LSM merge throttle': number;
+    'total size of bloom filters': number;
+  } & Document;
+  'block-manager': {
+    'allocations requiring file extension': number;
+    'blocks allocated': number;
+    'blocks freed': number;
+    'checkpoint size': number;
+    'file allocation unit size': number;
+    'file bytes available for reuse': number;
+    'file magic number': number;
+    'file major version number': number;
+    'file size in bytes': number;
+    'minor version number': number;
+  };
+  btree: {
+    'btree checkpoint generation': number;
+    'column-store fixed-size leaf pages': number;
+    'column-store internal pages': number;
+    'column-store variable-size RLE encoded values': number;
+    'column-store variable-size deleted values': number;
+    'column-store variable-size leaf pages': number;
+    'fixed-record size': number;
+    'maximum internal page key size': number;
+    'maximum internal page size': number;
+    'maximum leaf page key size': number;
+    'maximum leaf page size': number;
+    'maximum leaf page value size': number;
+    'maximum tree depth': number;
+    'number of key/value pairs': number;
+    'overflow pages': number;
+    'pages rewritten by compaction': number;
+    'row-store internal pages': number;
+    'row-store leaf pages': number;
+  } & Document;
+  cache: {
+    'bytes currently in the cache': number;
+    'bytes read into cache': number;
+    'bytes written from cache': number;
+    'checkpoint blocked page eviction': number;
+    'data source pages selected for eviction unable to be evicted': number;
+    'hazard pointer blocked page eviction': number;
+    'in-memory page passed criteria to be split': number;
+    'in-memory page splits': number;
+    'internal pages evicted': number;
+    'internal pages split during eviction': number;
+    'leaf pages split during eviction': number;
+    'modified pages evicted': number;
+    'overflow pages read into cache': number;
+    'overflow values cached in memory': number;
+    'page split during eviction deepened the tree': number;
+    'page written requiring lookaside records': number;
+    'pages read into cache': number;
+    'pages read into cache requiring lookaside entries': number;
+    'pages requested from the cache': number;
+    'pages written from cache': number;
+    'pages written requiring in-memory restoration': number;
+    'tracked dirty bytes in the cache': number;
+    'unmodified pages evicted': number;
+  } & Document;
+  cache_walk: {
+    'Average difference between current eviction generation when the page was last considered': number;
+    'Average on-disk page image size seen': number;
+    'Clean pages currently in cache': number;
+    'Current eviction generation': number;
+    'Dirty pages currently in cache': number;
+    'Entries in the root page': number;
+    'Internal pages currently in cache': number;
+    'Leaf pages currently in cache': number;
+    'Maximum difference between current eviction generation when the page was last considered': number;
+    'Maximum page size seen': number;
+    'Minimum on-disk page image size seen': number;
+    'On-disk page image sizes smaller than a single allocation unit': number;
+    'Pages created in memory and never written': number;
+    'Pages currently queued for eviction': number;
+    'Pages that could not be queued for eviction': number;
+    'Refs skipped during cache traversal': number;
+    'Size of the root page': number;
+    'Total number of pages currently in cache': number;
+  } & Document;
+  compression: {
+    'compressed pages read': number;
+    'compressed pages written': number;
+    'page written failed to compress': number;
+    'page written was too small to compress': number;
+    'raw compression call failed, additional data available': number;
+    'raw compression call failed, no additional data available': number;
+    'raw compression call succeeded': number;
+  } & Document;
+  cursor: {
+    'bulk-loaded cursor-insert calls': number;
+    'create calls': number;
+    'cursor-insert key and value bytes inserted': number;
+    'cursor-remove key bytes removed': number;
+    'cursor-update value bytes updated': number;
+    'insert calls': number;
+    'next calls': number;
+    'prev calls': number;
+    'remove calls': number;
+    'reset calls': number;
+    'restarted searches': number;
+    'search calls': number;
+    'search near calls': number;
+    'truncate calls': number;
+    'update calls': number;
+  };
+  reconciliation: {
+    'dictionary matches': number;
+    'fast-path pages deleted': number;
+    'internal page key bytes discarded using suffix compression': number;
+    'internal page multi-block writes': number;
+    'internal-page overflow keys': number;
+    'leaf page key bytes discarded using prefix compression': number;
+    'leaf page multi-block writes': number;
+    'leaf-page overflow keys': number;
+    'maximum blocks required for a page': number;
+    'overflow values written': number;
+    'page checksum matches': number;
+    'page reconciliation calls': number;
+    'page reconciliation calls for eviction': number;
+    'pages deleted': number;
+  } & Document;
+}
+
+defineAspects(CollStatsOperation, [Aspect.READ_OPERATION]);
+defineAspects(DbStatsOperation, [Aspect.READ_OPERATION]);
diff --git a/node_modules/mongodb/src/operations/update.ts b/node_modules/mongodb/src/operations/update.ts
new file mode 100644
index 000000000..43760c143
--- /dev/null
+++ b/node_modules/mongodb/src/operations/update.ts
@@ -0,0 +1,334 @@
+import type { Document, ObjectId } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoInvalidArgumentError, MongoServerError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import {
+  Callback,
+  collationNotSupported,
+  hasAtomicOperators,
+  maxWireVersion,
+  MongoDBNamespace
+} from '../utils';
+import { CollationOptions, CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects, Hint } from './operation';
+
+/** @public */
+export interface UpdateOptions extends CommandOperationOptions {
+  /** A set of filters specifying to which array elements an update should apply */
+  arrayFilters?: Document[];
+  /** If true, allows the write to opt-out of document level validation */
+  bypassDocumentValidation?: boolean;
+  /** Specifies a collation */
+  collation?: CollationOptions;
+  /** Specify that the update query should only consider plans using the hinted index */
+  hint?: Hint;
+  /** When true, creates a new document if no document matches the query */
+  upsert?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @public */
+export interface UpdateResult {
+  /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+  acknowledged: boolean;
+  /** The number of documents that matched the filter */
+  matchedCount: number;
+  /** The number of documents that were modified */
+  modifiedCount: number;
+  /** The number of documents that were upserted */
+  upsertedCount: number;
+  /** The identifier of the inserted document if an upsert took place */
+  upsertedId: ObjectId;
+}
+
+/** @public */
+export interface UpdateStatement {
+  /** The query that matches documents to update. */
+  q: Document;
+  /** The modifications to apply. */
+  u: Document | Document[];
+  /**  If true, perform an insert if no documents match the query. */
+  upsert?: boolean;
+  /** If true, updates all documents that meet the query criteria. */
+  multi?: boolean;
+  /** Specifies the collation to use for the operation. */
+  collation?: CollationOptions;
+  /** An array of filter documents that determines which array elements to modify for an update operation on an array field. */
+  arrayFilters?: Document[];
+  /** A document or string that specifies the index to use to support the query predicate. */
+  hint?: Hint;
+}
+
+/** @internal */
+export class UpdateOperation extends CommandOperation<Document> {
+  override options: UpdateOptions & { ordered?: boolean };
+  statements: UpdateStatement[];
+
+  constructor(
+    ns: MongoDBNamespace,
+    statements: UpdateStatement[],
+    options: UpdateOptions & { ordered?: boolean }
+  ) {
+    super(undefined, options);
+    this.options = options;
+    this.ns = ns;
+
+    this.statements = statements;
+  }
+
+  override get canRetryWrite(): boolean {
+    if (super.canRetryWrite === false) {
+      return false;
+    }
+
+    return this.statements.every(op => op.multi == null || op.multi === false);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const options = this.options ?? {};
+    const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+    const command: Document = {
+      update: this.ns.collection,
+      updates: this.statements,
+      ordered
+    };
+
+    if (typeof options.bypassDocumentValidation === 'boolean') {
+      command.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+
+    if (options.let) {
+      command.let = options.let;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      command.comment = options.comment;
+    }
+
+    const statementWithCollation = this.statements.find(statement => !!statement.collation);
+    if (
+      collationNotSupported(server, options) ||
+      (statementWithCollation && collationNotSupported(server, statementWithCollation))
+    ) {
+      callback(new MongoCompatibilityError(`Server ${server.name} does not support collation`));
+      return;
+    }
+
+    const unacknowledgedWrite = this.writeConcern && this.writeConcern.w === 0;
+    if (unacknowledgedWrite || maxWireVersion(server) < 5) {
+      if (this.statements.find((o: Document) => o.hint)) {
+        callback(new MongoCompatibilityError(`Servers < 3.4 do not support hint on update`));
+        return;
+      }
+    }
+
+    if (this.explain && maxWireVersion(server) < 3) {
+      callback(
+        new MongoCompatibilityError(`Server ${server.name} does not support explain on update`)
+      );
+      return;
+    }
+
+    if (this.statements.some(statement => !!statement.arrayFilters) && maxWireVersion(server) < 6) {
+      callback(
+        new MongoCompatibilityError('Option "arrayFilters" is only supported on MongoDB 3.6+')
+      );
+      return;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/** @internal */
+export class UpdateOneOperation extends UpdateOperation {
+  constructor(collection: Collection, filter: Document, update: Document, options: UpdateOptions) {
+    super(
+      collection.s.namespace,
+      [makeUpdateStatement(filter, update, { ...options, multi: false })],
+      options
+    );
+
+    if (!hasAtomicOperators(update)) {
+      throw new MongoInvalidArgumentError('Update document requires atomic operators');
+    }
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<UpdateResult | Document>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || !res) return callback(err);
+      if (this.explain != null) return callback(undefined, res);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        modifiedCount: res.nModified != null ? res.nModified : res.n,
+        upsertedId:
+          Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+        upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+        matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+      });
+    });
+  }
+}
+
+/** @internal */
+export class UpdateManyOperation extends UpdateOperation {
+  constructor(collection: Collection, filter: Document, update: Document, options: UpdateOptions) {
+    super(
+      collection.s.namespace,
+      [makeUpdateStatement(filter, update, { ...options, multi: true })],
+      options
+    );
+
+    if (!hasAtomicOperators(update)) {
+      throw new MongoInvalidArgumentError('Update document requires atomic operators');
+    }
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<UpdateResult | Document>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || !res) return callback(err);
+      if (this.explain != null) return callback(undefined, res);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        modifiedCount: res.nModified != null ? res.nModified : res.n,
+        upsertedId:
+          Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+        upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+        matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+      });
+    });
+  }
+}
+
+/** @public */
+export interface ReplaceOptions extends CommandOperationOptions {
+  /** If true, allows the write to opt-out of document level validation */
+  bypassDocumentValidation?: boolean;
+  /** Specifies a collation */
+  collation?: CollationOptions;
+  /** Specify that the update query should only consider plans using the hinted index */
+  hint?: string | Document;
+  /** When true, creates a new document if no document matches the query */
+  upsert?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @internal */
+export class ReplaceOneOperation extends UpdateOperation {
+  constructor(
+    collection: Collection,
+    filter: Document,
+    replacement: Document,
+    options: ReplaceOptions
+  ) {
+    super(
+      collection.s.namespace,
+      [makeUpdateStatement(filter, replacement, { ...options, multi: false })],
+      options
+    );
+
+    if (hasAtomicOperators(replacement)) {
+      throw new MongoInvalidArgumentError('Replacement document must not contain atomic operators');
+    }
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<UpdateResult | Document>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || !res) return callback(err);
+      if (this.explain != null) return callback(undefined, res);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        modifiedCount: res.nModified != null ? res.nModified : res.n,
+        upsertedId:
+          Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+        upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+        matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+      });
+    });
+  }
+}
+
+export function makeUpdateStatement(
+  filter: Document,
+  update: Document | Document[],
+  options: UpdateOptions & { multi?: boolean }
+): UpdateStatement {
+  if (filter == null || typeof filter !== 'object') {
+    throw new MongoInvalidArgumentError('Selector must be a valid JavaScript object');
+  }
+
+  if (update == null || typeof update !== 'object') {
+    throw new MongoInvalidArgumentError('Document must be a valid JavaScript object');
+  }
+
+  const op: UpdateStatement = { q: filter, u: update };
+  if (typeof options.upsert === 'boolean') {
+    op.upsert = options.upsert;
+  }
+
+  if (options.multi) {
+    op.multi = options.multi;
+  }
+
+  if (options.hint) {
+    op.hint = options.hint;
+  }
+
+  if (options.arrayFilters) {
+    op.arrayFilters = options.arrayFilters;
+  }
+
+  if (options.collation) {
+    op.collation = options.collation;
+  }
+
+  return op;
+}
+
+defineAspects(UpdateOperation, [Aspect.RETRYABLE, Aspect.WRITE_OPERATION, Aspect.SKIP_COLLATION]);
+defineAspects(UpdateOneOperation, [
+  Aspect.RETRYABLE,
+  Aspect.WRITE_OPERATION,
+  Aspect.EXPLAINABLE,
+  Aspect.SKIP_COLLATION
+]);
+defineAspects(UpdateManyOperation, [
+  Aspect.WRITE_OPERATION,
+  Aspect.EXPLAINABLE,
+  Aspect.SKIP_COLLATION
+]);
+defineAspects(ReplaceOneOperation, [
+  Aspect.RETRYABLE,
+  Aspect.WRITE_OPERATION,
+  Aspect.SKIP_COLLATION
+]);
diff --git a/node_modules/mongodb/src/operations/validate_collection.ts b/node_modules/mongodb/src/operations/validate_collection.ts
new file mode 100644
index 000000000..ba6c85fad
--- /dev/null
+++ b/node_modules/mongodb/src/operations/validate_collection.ts
@@ -0,0 +1,59 @@
+import type { Admin } from '../admin';
+import type { Document } from '../bson';
+import { MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+
+/** @public */
+export interface ValidateCollectionOptions extends CommandOperationOptions {
+  /** Validates a collection in the background, without interrupting read or write traffic (only in MongoDB 4.4+) */
+  background?: boolean;
+}
+
+/** @internal */
+export class ValidateCollectionOperation extends CommandOperation<Document> {
+  override options: ValidateCollectionOptions;
+  collectionName: string;
+  command: Document;
+
+  constructor(admin: Admin, collectionName: string, options: ValidateCollectionOptions) {
+    // Decorate command with extra options
+    const command: Document = { validate: collectionName };
+    const keys = Object.keys(options);
+    for (let i = 0; i < keys.length; i++) {
+      if (Object.prototype.hasOwnProperty.call(options, keys[i]) && keys[i] !== 'session') {
+        command[keys[i]] = (options as Document)[keys[i]];
+      }
+    }
+
+    super(admin.s.db, options);
+    this.options = options;
+    this.command = command;
+    this.collectionName = collectionName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const collectionName = this.collectionName;
+
+    super.executeCommand(server, session, this.command, (err, doc) => {
+      if (err != null) return callback(err);
+
+      // TODO(NODE-3483): Replace these with MongoUnexpectedServerResponseError
+      if (doc.ok === 0) return callback(new MongoRuntimeError('Error with validate command'));
+      if (doc.result != null && typeof doc.result !== 'string')
+        return callback(new MongoRuntimeError('Error with validation data'));
+      if (doc.result != null && doc.result.match(/exception|corrupt/) != null)
+        return callback(new MongoRuntimeError(`Invalid collection ${collectionName}`));
+      if (doc.valid != null && !doc.valid)
+        return callback(new MongoRuntimeError(`Invalid collection ${collectionName}`));
+
+      return callback(undefined, doc);
+    });
+  }
+}
diff --git a/node_modules/mongodb/src/promise_provider.ts b/node_modules/mongodb/src/promise_provider.ts
new file mode 100644
index 000000000..eb9a28c75
--- /dev/null
+++ b/node_modules/mongodb/src/promise_provider.ts
@@ -0,0 +1,56 @@
+import { MongoInvalidArgumentError } from './error';
+
+/** @internal */
+const kPromise = Symbol('promise');
+
+interface PromiseStore {
+  [kPromise]: PromiseConstructor | null;
+}
+
+const store: PromiseStore = {
+  [kPromise]: null
+};
+
+/**
+ * Global promise store allowing user-provided promises
+ * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+ * @public
+ */
+export class PromiseProvider {
+  /**
+   * Validates the passed in promise library
+   * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+   */
+  static validate(lib: unknown): lib is PromiseConstructor {
+    if (typeof lib !== 'function')
+      throw new MongoInvalidArgumentError(`Promise must be a function, got ${lib}`);
+    return !!lib;
+  }
+
+  /**
+   * Sets the promise library
+   * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+   */
+  static set(lib: PromiseConstructor | null): void {
+    // eslint-disable-next-line no-restricted-syntax
+    if (lib === null) {
+      // Check explicitly against null since `.set()` (no args) should fall through to validate
+      store[kPromise] = null;
+      return;
+    }
+
+    if (!PromiseProvider.validate(lib)) {
+      // validate
+      return;
+    }
+    store[kPromise] = lib;
+  }
+
+  /**
+   * Get the stored promise library, or resolves passed in
+   * @deprecated Setting a custom promise library is deprecated the next major version will use the global Promise constructor only.
+   */
+  static get(): PromiseConstructor | null {
+    return store[kPromise];
+  }
+}
diff --git a/node_modules/mongodb/src/read_concern.ts b/node_modules/mongodb/src/read_concern.ts
new file mode 100644
index 000000000..09e39be56
--- /dev/null
+++ b/node_modules/mongodb/src/read_concern.ts
@@ -0,0 +1,88 @@
+import type { Document } from './bson';
+
+/** @public */
+export const ReadConcernLevel = Object.freeze({
+  local: 'local',
+  majority: 'majority',
+  linearizable: 'linearizable',
+  available: 'available',
+  snapshot: 'snapshot'
+} as const);
+
+/** @public */
+export type ReadConcernLevel = typeof ReadConcernLevel[keyof typeof ReadConcernLevel];
+
+/** @public */
+export type ReadConcernLike = ReadConcern | { level: ReadConcernLevel } | ReadConcernLevel;
+
+/**
+ * The MongoDB ReadConcern, which allows for control of the consistency and isolation properties
+ * of the data read from replica sets and replica set shards.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/reference/read-concern/index.html
+ */
+export class ReadConcern {
+  level: ReadConcernLevel | string;
+
+  /** Constructs a ReadConcern from the read concern level.*/
+  constructor(level: ReadConcernLevel) {
+    /**
+     * A spec test exists that allows level to be any string.
+     * "invalid readConcern with out stage"
+     * @see ./test/spec/crud/v2/aggregate-out-readConcern.json
+     * @see https://github.com/mongodb/specifications/blob/master/source/read-write-concern/read-write-concern.rst#unknown-levels-and-additional-options-for-string-based-readconcerns
+     */
+    this.level = ReadConcernLevel[level] ?? level;
+  }
+
+  /**
+   * Construct a ReadConcern given an options object.
+   *
+   * @param options - The options object from which to extract the write concern.
+   */
+  static fromOptions(options?: {
+    readConcern?: ReadConcernLike;
+    level?: ReadConcernLevel;
+  }): ReadConcern | undefined {
+    if (options == null) {
+      return;
+    }
+
+    if (options.readConcern) {
+      const { readConcern } = options;
+      if (readConcern instanceof ReadConcern) {
+        return readConcern;
+      } else if (typeof readConcern === 'string') {
+        return new ReadConcern(readConcern);
+      } else if ('level' in readConcern && readConcern.level) {
+        return new ReadConcern(readConcern.level);
+      }
+    }
+
+    if (options.level) {
+      return new ReadConcern(options.level);
+    }
+    return;
+  }
+
+  static get MAJORITY(): 'majority' {
+    return ReadConcernLevel.majority;
+  }
+
+  static get AVAILABLE(): 'available' {
+    return ReadConcernLevel.available;
+  }
+
+  static get LINEARIZABLE(): 'linearizable' {
+    return ReadConcernLevel.linearizable;
+  }
+
+  static get SNAPSHOT(): 'snapshot' {
+    return ReadConcernLevel.snapshot;
+  }
+
+  toJSON(): Document {
+    return { level: this.level };
+  }
+}
diff --git a/node_modules/mongodb/src/read_preference.ts b/node_modules/mongodb/src/read_preference.ts
new file mode 100644
index 000000000..b7210b8e6
--- /dev/null
+++ b/node_modules/mongodb/src/read_preference.ts
@@ -0,0 +1,271 @@
+import type { Document } from './bson';
+import { MongoInvalidArgumentError } from './error';
+import type { TagSet } from './sdam/server_description';
+import type { ClientSession } from './sessions';
+
+/** @public */
+export type ReadPreferenceLike = ReadPreference | ReadPreferenceMode;
+
+/** @public */
+export const ReadPreferenceMode = Object.freeze({
+  primary: 'primary',
+  primaryPreferred: 'primaryPreferred',
+  secondary: 'secondary',
+  secondaryPreferred: 'secondaryPreferred',
+  nearest: 'nearest'
+} as const);
+
+/** @public */
+export type ReadPreferenceMode = typeof ReadPreferenceMode[keyof typeof ReadPreferenceMode];
+
+/** @public */
+export interface HedgeOptions {
+  /** Explicitly enable or disable hedged reads. */
+  enabled?: boolean;
+}
+
+/** @public */
+export interface ReadPreferenceOptions {
+  /** Max secondary read staleness in seconds, Minimum value is 90 seconds.*/
+  maxStalenessSeconds?: number;
+  /** Server mode in which the same query is dispatched in parallel to multiple replica set members. */
+  hedge?: HedgeOptions;
+}
+
+/** @public */
+export interface ReadPreferenceLikeOptions extends ReadPreferenceOptions {
+  readPreference?:
+    | ReadPreferenceLike
+    | {
+        mode?: ReadPreferenceMode;
+        preference?: ReadPreferenceMode;
+        tags?: TagSet[];
+        maxStalenessSeconds?: number;
+      };
+}
+
+/** @public */
+export interface ReadPreferenceFromOptions extends ReadPreferenceLikeOptions {
+  session?: ClientSession;
+  readPreferenceTags?: TagSet[];
+  hedge?: HedgeOptions;
+}
+
+/**
+ * The **ReadPreference** class is a class that represents a MongoDB ReadPreference and is
+ * used to construct connections.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/core/read-preference/
+ */
+export class ReadPreference {
+  mode: ReadPreferenceMode;
+  tags?: TagSet[];
+  hedge?: HedgeOptions;
+  maxStalenessSeconds?: number;
+  minWireVersion?: number;
+
+  public static PRIMARY = ReadPreferenceMode.primary;
+  public static PRIMARY_PREFERRED = ReadPreferenceMode.primaryPreferred;
+  public static SECONDARY = ReadPreferenceMode.secondary;
+  public static SECONDARY_PREFERRED = ReadPreferenceMode.secondaryPreferred;
+  public static NEAREST = ReadPreferenceMode.nearest;
+
+  public static primary = new ReadPreference(ReadPreferenceMode.primary);
+  public static primaryPreferred = new ReadPreference(ReadPreferenceMode.primaryPreferred);
+  public static secondary = new ReadPreference(ReadPreferenceMode.secondary);
+  public static secondaryPreferred = new ReadPreference(ReadPreferenceMode.secondaryPreferred);
+  public static nearest = new ReadPreference(ReadPreferenceMode.nearest);
+
+  /**
+   * @param mode - A string describing the read preference mode (primary|primaryPreferred|secondary|secondaryPreferred|nearest)
+   * @param tags - A tag set used to target reads to members with the specified tag(s). tagSet is not available if using read preference mode primary.
+   * @param options - Additional read preference options
+   */
+  constructor(mode: ReadPreferenceMode, tags?: TagSet[], options?: ReadPreferenceOptions) {
+    if (!ReadPreference.isValid(mode)) {
+      throw new MongoInvalidArgumentError(`Invalid read preference mode ${JSON.stringify(mode)}`);
+    }
+    if (options == null && typeof tags === 'object' && !Array.isArray(tags)) {
+      options = tags;
+      tags = undefined;
+    } else if (tags && !Array.isArray(tags)) {
+      throw new MongoInvalidArgumentError('ReadPreference tags must be an array');
+    }
+
+    this.mode = mode;
+    this.tags = tags;
+    this.hedge = options?.hedge;
+    this.maxStalenessSeconds = undefined;
+    this.minWireVersion = undefined;
+
+    options = options ?? {};
+    if (options.maxStalenessSeconds != null) {
+      if (options.maxStalenessSeconds <= 0) {
+        throw new MongoInvalidArgumentError('maxStalenessSeconds must be a positive integer');
+      }
+
+      this.maxStalenessSeconds = options.maxStalenessSeconds;
+
+      // NOTE: The minimum required wire version is 5 for this read preference. If the existing
+      //       topology has a lower value then a MongoError will be thrown during server selection.
+      this.minWireVersion = 5;
+    }
+
+    if (this.mode === ReadPreference.PRIMARY) {
+      if (this.tags && Array.isArray(this.tags) && this.tags.length > 0) {
+        throw new MongoInvalidArgumentError('Primary read preference cannot be combined with tags');
+      }
+
+      if (this.maxStalenessSeconds) {
+        throw new MongoInvalidArgumentError(
+          'Primary read preference cannot be combined with maxStalenessSeconds'
+        );
+      }
+
+      if (this.hedge) {
+        throw new MongoInvalidArgumentError(
+          'Primary read preference cannot be combined with hedge'
+        );
+      }
+    }
+  }
+
+  // Support the deprecated `preference` property introduced in the porcelain layer
+  get preference(): ReadPreferenceMode {
+    return this.mode;
+  }
+
+  static fromString(mode: string): ReadPreference {
+    return new ReadPreference(mode as ReadPreferenceMode);
+  }
+
+  /**
+   * Construct a ReadPreference given an options object.
+   *
+   * @param options - The options object from which to extract the read preference.
+   */
+  static fromOptions(options?: ReadPreferenceFromOptions): ReadPreference | undefined {
+    if (!options) return;
+    const readPreference =
+      options.readPreference ?? options.session?.transaction.options.readPreference;
+    const readPreferenceTags = options.readPreferenceTags;
+
+    if (readPreference == null) {
+      return;
+    }
+
+    if (typeof readPreference === 'string') {
+      return new ReadPreference(readPreference, readPreferenceTags, {
+        maxStalenessSeconds: options.maxStalenessSeconds,
+        hedge: options.hedge
+      });
+    } else if (!(readPreference instanceof ReadPreference) && typeof readPreference === 'object') {
+      const mode = readPreference.mode || readPreference.preference;
+      if (mode && typeof mode === 'string') {
+        return new ReadPreference(mode, readPreference.tags ?? readPreferenceTags, {
+          maxStalenessSeconds: readPreference.maxStalenessSeconds,
+          hedge: options.hedge
+        });
+      }
+    }
+
+    if (readPreferenceTags) {
+      readPreference.tags = readPreferenceTags;
+    }
+
+    return readPreference as ReadPreference;
+  }
+
+  /**
+   * Replaces options.readPreference with a ReadPreference instance
+   */
+  static translate(options: ReadPreferenceLikeOptions): ReadPreferenceLikeOptions {
+    if (options.readPreference == null) return options;
+    const r = options.readPreference;
+
+    if (typeof r === 'string') {
+      options.readPreference = new ReadPreference(r);
+    } else if (r && !(r instanceof ReadPreference) && typeof r === 'object') {
+      const mode = r.mode || r.preference;
+      if (mode && typeof mode === 'string') {
+        options.readPreference = new ReadPreference(mode, r.tags, {
+          maxStalenessSeconds: r.maxStalenessSeconds
+        });
+      }
+    } else if (!(r instanceof ReadPreference)) {
+      throw new MongoInvalidArgumentError(`Invalid read preference: ${r}`);
+    }
+
+    return options;
+  }
+
+  /**
+   * Validate if a mode is legal
+   *
+   * @param mode - The string representing the read preference mode.
+   */
+  static isValid(mode: string): boolean {
+    const VALID_MODES = new Set([
+      ReadPreference.PRIMARY,
+      ReadPreference.PRIMARY_PREFERRED,
+      ReadPreference.SECONDARY,
+      ReadPreference.SECONDARY_PREFERRED,
+      ReadPreference.NEAREST,
+      null
+    ]);
+
+    return VALID_MODES.has(mode as ReadPreferenceMode);
+  }
+
+  /**
+   * Validate if a mode is legal
+   *
+   * @param mode - The string representing the read preference mode.
+   */
+  isValid(mode?: string): boolean {
+    return ReadPreference.isValid(typeof mode === 'string' ? mode : this.mode);
+  }
+
+  /**
+   * Indicates that this readPreference needs the "secondaryOk" bit when sent over the wire
+   * @deprecated Use secondaryOk instead
+   * @see https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query
+   */
+  slaveOk(): boolean {
+    return this.secondaryOk();
+  }
+
+  /**
+   * Indicates that this readPreference needs the "SecondaryOk" bit when sent over the wire
+   * @see https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query
+   */
+  secondaryOk(): boolean {
+    const NEEDS_SECONDARYOK = new Set<string>([
+      ReadPreference.PRIMARY_PREFERRED,
+      ReadPreference.SECONDARY,
+      ReadPreference.SECONDARY_PREFERRED,
+      ReadPreference.NEAREST
+    ]);
+
+    return NEEDS_SECONDARYOK.has(this.mode);
+  }
+
+  /**
+   * Check if the two ReadPreferences are equivalent
+   *
+   * @param readPreference - The read preference with which to check equality
+   */
+  equals(readPreference: ReadPreference): boolean {
+    return readPreference.mode === this.mode;
+  }
+
+  /** Return JSON representation */
+  toJSON(): Document {
+    const readPreference = { mode: this.mode } as Document;
+    if (Array.isArray(this.tags)) readPreference.tags = this.tags;
+    if (this.maxStalenessSeconds) readPreference.maxStalenessSeconds = this.maxStalenessSeconds;
+    if (this.hedge) readPreference.hedge = this.hedge;
+    return readPreference;
+  }
+}
diff --git a/node_modules/mongodb/src/sdam/common.ts b/node_modules/mongodb/src/sdam/common.ts
new file mode 100644
index 000000000..a2ffd8949
--- /dev/null
+++ b/node_modules/mongodb/src/sdam/common.ts
@@ -0,0 +1,79 @@
+import { clearTimeout } from 'timers';
+
+import type { Binary, Long, Timestamp } from '../bson';
+import type { ClientSession } from '../sessions';
+import type { Topology } from './topology';
+
+// shared state names
+export const STATE_CLOSING = 'closing';
+export const STATE_CLOSED = 'closed';
+export const STATE_CONNECTING = 'connecting';
+export const STATE_CONNECTED = 'connected';
+
+/**
+ * An enumeration of topology types we know about
+ * @public
+ */
+export const TopologyType = Object.freeze({
+  Single: 'Single',
+  ReplicaSetNoPrimary: 'ReplicaSetNoPrimary',
+  ReplicaSetWithPrimary: 'ReplicaSetWithPrimary',
+  Sharded: 'Sharded',
+  Unknown: 'Unknown',
+  LoadBalanced: 'LoadBalanced'
+} as const);
+
+/** @public */
+export type TopologyType = typeof TopologyType[keyof typeof TopologyType];
+
+/**
+ * An enumeration of server types we know about
+ * @public
+ */
+export const ServerType = Object.freeze({
+  Standalone: 'Standalone',
+  Mongos: 'Mongos',
+  PossiblePrimary: 'PossiblePrimary',
+  RSPrimary: 'RSPrimary',
+  RSSecondary: 'RSSecondary',
+  RSArbiter: 'RSArbiter',
+  RSOther: 'RSOther',
+  RSGhost: 'RSGhost',
+  Unknown: 'Unknown',
+  LoadBalancer: 'LoadBalancer'
+} as const);
+
+/** @public */
+export type ServerType = typeof ServerType[keyof typeof ServerType];
+
+/** @internal */
+export type TimerQueue = Set<NodeJS.Timeout>;
+
+/** @internal */
+export function drainTimerQueue(queue: TimerQueue): void {
+  queue.forEach(clearTimeout);
+  queue.clear();
+}
+
+/** @public */
+export interface ClusterTime {
+  clusterTime: Timestamp;
+  signature: {
+    hash: Binary;
+    keyId: Long;
+  };
+}
+
+/** Shared function to determine clusterTime for a given topology or session */
+export function _advanceClusterTime(
+  entity: Topology | ClientSession,
+  $clusterTime: ClusterTime
+): void {
+  if (entity.clusterTime == null) {
+    entity.clusterTime = $clusterTime;
+  } else {
+    if ($clusterTime.clusterTime.greaterThan(entity.clusterTime.clusterTime)) {
+      entity.clusterTime = $clusterTime;
+    }
+  }
+}
diff --git a/node_modules/mongodb/src/sdam/events.ts b/node_modules/mongodb/src/sdam/events.ts
new file mode 100644
index 000000000..c55eb0957
--- /dev/null
+++ b/node_modules/mongodb/src/sdam/events.ts
@@ -0,0 +1,182 @@
+import type { Document } from '../bson';
+import type { ServerDescription } from './server_description';
+import type { TopologyDescription } from './topology_description';
+
+/**
+ * Emitted when server description changes, but does NOT include changes to the RTT.
+ * @public
+ * @category Event
+ */
+export class ServerDescriptionChangedEvent {
+  /** A unique identifier for the topology */
+  topologyId: number;
+  /** The address (host/port pair) of the server */
+  address: string;
+  /** The previous server description */
+  previousDescription: ServerDescription;
+  /** The new server description */
+  newDescription: ServerDescription;
+
+  /** @internal */
+  constructor(
+    topologyId: number,
+    address: string,
+    previousDescription: ServerDescription,
+    newDescription: ServerDescription
+  ) {
+    this.topologyId = topologyId;
+    this.address = address;
+    this.previousDescription = previousDescription;
+    this.newDescription = newDescription;
+  }
+}
+
+/**
+ * Emitted when server is initialized.
+ * @public
+ * @category Event
+ */
+export class ServerOpeningEvent {
+  /** A unique identifier for the topology */
+  topologyId: number;
+  /** The address (host/port pair) of the server */
+  address: string;
+
+  /** @internal */
+  constructor(topologyId: number, address: string) {
+    this.topologyId = topologyId;
+    this.address = address;
+  }
+}
+
+/**
+ * Emitted when server is closed.
+ * @public
+ * @category Event
+ */
+export class ServerClosedEvent {
+  /** A unique identifier for the topology */
+  topologyId: number;
+  /** The address (host/port pair) of the server */
+  address: string;
+
+  /** @internal */
+  constructor(topologyId: number, address: string) {
+    this.topologyId = topologyId;
+    this.address = address;
+  }
+}
+
+/**
+ * Emitted when topology description changes.
+ * @public
+ * @category Event
+ */
+export class TopologyDescriptionChangedEvent {
+  /** A unique identifier for the topology */
+  topologyId: number;
+  /** The old topology description */
+  previousDescription: TopologyDescription;
+  /** The new topology description */
+  newDescription: TopologyDescription;
+
+  /** @internal */
+  constructor(
+    topologyId: number,
+    previousDescription: TopologyDescription,
+    newDescription: TopologyDescription
+  ) {
+    this.topologyId = topologyId;
+    this.previousDescription = previousDescription;
+    this.newDescription = newDescription;
+  }
+}
+
+/**
+ * Emitted when topology is initialized.
+ * @public
+ * @category Event
+ */
+export class TopologyOpeningEvent {
+  /** A unique identifier for the topology */
+  topologyId: number;
+
+  /** @internal */
+  constructor(topologyId: number) {
+    this.topologyId = topologyId;
+  }
+}
+
+/**
+ * Emitted when topology is closed.
+ * @public
+ * @category Event
+ */
+export class TopologyClosedEvent {
+  /** A unique identifier for the topology */
+  topologyId: number;
+
+  /** @internal */
+  constructor(topologyId: number) {
+    this.topologyId = topologyId;
+  }
+}
+
+/**
+ * Emitted when the server monitor’s hello command is started - immediately before
+ * the hello command is serialized into raw BSON and written to the socket.
+ *
+ * @public
+ * @category Event
+ */
+export class ServerHeartbeatStartedEvent {
+  /** The connection id for the command */
+  connectionId: string;
+
+  /** @internal */
+  constructor(connectionId: string) {
+    this.connectionId = connectionId;
+  }
+}
+
+/**
+ * Emitted when the server monitor’s hello succeeds.
+ * @public
+ * @category Event
+ */
+export class ServerHeartbeatSucceededEvent {
+  /** The connection id for the command */
+  connectionId: string;
+  /** The execution time of the event in ms */
+  duration: number;
+  /** The command reply */
+  reply: Document;
+
+  /** @internal */
+  constructor(connectionId: string, duration: number, reply: Document | null) {
+    this.connectionId = connectionId;
+    this.duration = duration;
+    this.reply = reply ?? {};
+  }
+}
+
+/**
+ * Emitted when the server monitor’s hello fails, either with an “ok: 0” or a socket exception.
+ * @public
+ * @category Event
+ */
+export class ServerHeartbeatFailedEvent {
+  /** The connection id for the command */
+  connectionId: string;
+  /** The execution time of the event in ms */
+  duration: number;
+  /** The command failure */
+  failure: Error;
+
+  /** @internal */
+  constructor(connectionId: string, duration: number, failure: Error) {
+    this.connectionId = connectionId;
+    this.duration = duration;
+    this.failure = failure;
+  }
+}
diff --git a/node_modules/mongodb/src/sdam/monitor.ts b/node_modules/mongodb/src/sdam/monitor.ts
new file mode 100644
index 000000000..c455b58c8
--- /dev/null
+++ b/node_modules/mongodb/src/sdam/monitor.ts
@@ -0,0 +1,588 @@
+import { clearTimeout, setTimeout } from 'timers';
+
+import { Document, Long } from '../bson';
+import { connect } from '../cmap/connect';
+import { Connection, ConnectionOptions } from '../cmap/connection';
+import { LEGACY_HELLO_COMMAND } from '../constants';
+import { MongoError, MongoErrorLabel } from '../error';
+import { CancellationToken, TypedEventEmitter } from '../mongo_types';
+import type { Callback } from '../utils';
+import { calculateDurationInMs, EventEmitterWithState, makeStateMachine, now, ns } from '../utils';
+import { ServerType, STATE_CLOSED, STATE_CLOSING } from './common';
+import {
+  ServerHeartbeatFailedEvent,
+  ServerHeartbeatStartedEvent,
+  ServerHeartbeatSucceededEvent
+} from './events';
+import { Server } from './server';
+import type { TopologyVersion } from './server_description';
+
+/** @internal */
+const kServer = Symbol('server');
+/** @internal */
+const kMonitorId = Symbol('monitorId');
+/** @internal */
+const kConnection = Symbol('connection');
+/** @internal */
+const kCancellationToken = Symbol('cancellationToken');
+/** @internal */
+const kRTTPinger = Symbol('rttPinger');
+/** @internal */
+const kRoundTripTime = Symbol('roundTripTime');
+
+const STATE_IDLE = 'idle';
+const STATE_MONITORING = 'monitoring';
+const stateTransition = makeStateMachine({
+  [STATE_CLOSING]: [STATE_CLOSING, STATE_IDLE, STATE_CLOSED],
+  [STATE_CLOSED]: [STATE_CLOSED, STATE_MONITORING],
+  [STATE_IDLE]: [STATE_IDLE, STATE_MONITORING, STATE_CLOSING],
+  [STATE_MONITORING]: [STATE_MONITORING, STATE_IDLE, STATE_CLOSING]
+});
+
+const INVALID_REQUEST_CHECK_STATES = new Set([STATE_CLOSING, STATE_CLOSED, STATE_MONITORING]);
+function isInCloseState(monitor: Monitor) {
+  return monitor.s.state === STATE_CLOSED || monitor.s.state === STATE_CLOSING;
+}
+
+/** @internal */
+export interface MonitorPrivate {
+  state: string;
+}
+
+/** @public */
+export interface MonitorOptions
+  extends Omit<ConnectionOptions, 'id' | 'generation' | 'hostAddress'> {
+  connectTimeoutMS: number;
+  heartbeatFrequencyMS: number;
+  minHeartbeatFrequencyMS: number;
+}
+
+/** @public */
+export type MonitorEvents = {
+  serverHeartbeatStarted(event: ServerHeartbeatStartedEvent): void;
+  serverHeartbeatSucceeded(event: ServerHeartbeatSucceededEvent): void;
+  serverHeartbeatFailed(event: ServerHeartbeatFailedEvent): void;
+  resetServer(error?: MongoError): void;
+  resetConnectionPool(): void;
+  close(): void;
+} & EventEmitterWithState;
+
+/** @internal */
+export class Monitor extends TypedEventEmitter<MonitorEvents> {
+  /** @internal */
+  s: MonitorPrivate;
+  address: string;
+  options: Readonly<
+    Pick<MonitorOptions, 'connectTimeoutMS' | 'heartbeatFrequencyMS' | 'minHeartbeatFrequencyMS'>
+  >;
+  connectOptions: ConnectionOptions;
+  [kServer]: Server;
+  [kConnection]?: Connection;
+  [kCancellationToken]: CancellationToken;
+  /** @internal */
+  [kMonitorId]?: MonitorInterval;
+  [kRTTPinger]?: RTTPinger;
+
+  get connection(): Connection | undefined {
+    return this[kConnection];
+  }
+
+  constructor(server: Server, options: MonitorOptions) {
+    super();
+
+    this[kServer] = server;
+    this[kConnection] = undefined;
+    this[kCancellationToken] = new CancellationToken();
+    this[kCancellationToken].setMaxListeners(Infinity);
+    this[kMonitorId] = undefined;
+    this.s = {
+      state: STATE_CLOSED
+    };
+
+    this.address = server.description.address;
+    this.options = Object.freeze({
+      connectTimeoutMS: options.connectTimeoutMS ?? 10000,
+      heartbeatFrequencyMS: options.heartbeatFrequencyMS ?? 10000,
+      minHeartbeatFrequencyMS: options.minHeartbeatFrequencyMS ?? 500
+    });
+
+    const cancellationToken = this[kCancellationToken];
+    // TODO: refactor this to pull it directly from the pool, requires new ConnectionPool integration
+    const connectOptions = Object.assign(
+      {
+        id: '<monitor>' as const,
+        generation: server.s.pool.generation,
+        connectionType: Connection,
+        cancellationToken,
+        hostAddress: server.description.hostAddress
+      },
+      options,
+      // force BSON serialization options
+      {
+        raw: false,
+        promoteLongs: true,
+        promoteValues: true,
+        promoteBuffers: true
+      }
+    );
+
+    // ensure no authentication is used for monitoring
+    delete connectOptions.credentials;
+    if (connectOptions.autoEncrypter) {
+      delete connectOptions.autoEncrypter;
+    }
+
+    this.connectOptions = Object.freeze(connectOptions);
+  }
+
+  connect(): void {
+    if (this.s.state !== STATE_CLOSED) {
+      return;
+    }
+
+    // start
+    const heartbeatFrequencyMS = this.options.heartbeatFrequencyMS;
+    const minHeartbeatFrequencyMS = this.options.minHeartbeatFrequencyMS;
+    this[kMonitorId] = new MonitorInterval(monitorServer(this), {
+      heartbeatFrequencyMS: heartbeatFrequencyMS,
+      minHeartbeatFrequencyMS: minHeartbeatFrequencyMS,
+      immediate: true
+    });
+  }
+
+  requestCheck(): void {
+    if (INVALID_REQUEST_CHECK_STATES.has(this.s.state)) {
+      return;
+    }
+
+    this[kMonitorId]?.wake();
+  }
+
+  reset(): void {
+    const topologyVersion = this[kServer].description.topologyVersion;
+    if (isInCloseState(this) || topologyVersion == null) {
+      return;
+    }
+
+    stateTransition(this, STATE_CLOSING);
+    resetMonitorState(this);
+
+    // restart monitor
+    stateTransition(this, STATE_IDLE);
+
+    // restart monitoring
+    const heartbeatFrequencyMS = this.options.heartbeatFrequencyMS;
+    const minHeartbeatFrequencyMS = this.options.minHeartbeatFrequencyMS;
+    this[kMonitorId] = new MonitorInterval(monitorServer(this), {
+      heartbeatFrequencyMS: heartbeatFrequencyMS,
+      minHeartbeatFrequencyMS: minHeartbeatFrequencyMS
+    });
+  }
+
+  close(): void {
+    if (isInCloseState(this)) {
+      return;
+    }
+
+    stateTransition(this, STATE_CLOSING);
+    resetMonitorState(this);
+
+    // close monitor
+    this.emit('close');
+    stateTransition(this, STATE_CLOSED);
+  }
+}
+
+function resetMonitorState(monitor: Monitor) {
+  monitor[kMonitorId]?.stop();
+  monitor[kMonitorId] = undefined;
+
+  monitor[kRTTPinger]?.close();
+  monitor[kRTTPinger] = undefined;
+
+  monitor[kCancellationToken].emit('cancel');
+
+  monitor[kConnection]?.destroy({ force: true });
+  monitor[kConnection] = undefined;
+}
+
+function checkServer(monitor: Monitor, callback: Callback<Document | null>) {
+  let start = now();
+  monitor.emit(Server.SERVER_HEARTBEAT_STARTED, new ServerHeartbeatStartedEvent(monitor.address));
+
+  function failureHandler(err: Error) {
+    monitor[kConnection]?.destroy({ force: true });
+    monitor[kConnection] = undefined;
+
+    monitor.emit(
+      Server.SERVER_HEARTBEAT_FAILED,
+      new ServerHeartbeatFailedEvent(monitor.address, calculateDurationInMs(start), err)
+    );
+
+    const error = !(err instanceof MongoError) ? new MongoError(err) : err;
+    error.addErrorLabel(MongoErrorLabel.ResetPool);
+
+    monitor.emit('resetServer', error);
+    callback(err);
+  }
+
+  const connection = monitor[kConnection];
+  if (connection && !connection.closed) {
+    const { serverApi, helloOk } = connection;
+    const connectTimeoutMS = monitor.options.connectTimeoutMS;
+    const maxAwaitTimeMS = monitor.options.heartbeatFrequencyMS;
+    const topologyVersion = monitor[kServer].description.topologyVersion;
+    const isAwaitable = topologyVersion != null;
+
+    const cmd = {
+      [serverApi?.version || helloOk ? 'hello' : LEGACY_HELLO_COMMAND]: true,
+      ...(isAwaitable && topologyVersion
+        ? { maxAwaitTimeMS, topologyVersion: makeTopologyVersion(topologyVersion) }
+        : {})
+    };
+
+    const options = isAwaitable
+      ? {
+          socketTimeoutMS: connectTimeoutMS ? connectTimeoutMS + maxAwaitTimeMS : 0,
+          exhaustAllowed: true
+        }
+      : { socketTimeoutMS: connectTimeoutMS };
+
+    if (isAwaitable && monitor[kRTTPinger] == null) {
+      monitor[kRTTPinger] = new RTTPinger(
+        monitor[kCancellationToken],
+        Object.assign(
+          { heartbeatFrequencyMS: monitor.options.heartbeatFrequencyMS },
+          monitor.connectOptions
+        )
+      );
+    }
+
+    connection.command(ns('admin.$cmd'), cmd, options, (err, hello) => {
+      if (err) {
+        return failureHandler(err);
+      }
+
+      if (!('isWritablePrimary' in hello)) {
+        // Provide hello-style response document.
+        hello.isWritablePrimary = hello[LEGACY_HELLO_COMMAND];
+      }
+
+      const rttPinger = monitor[kRTTPinger];
+      const duration =
+        isAwaitable && rttPinger ? rttPinger.roundTripTime : calculateDurationInMs(start);
+
+      monitor.emit(
+        Server.SERVER_HEARTBEAT_SUCCEEDED,
+        new ServerHeartbeatSucceededEvent(monitor.address, duration, hello)
+      );
+
+      // if we are using the streaming protocol then we immediately issue another `started`
+      // event, otherwise the "check" is complete and return to the main monitor loop
+      if (isAwaitable && hello.topologyVersion) {
+        monitor.emit(
+          Server.SERVER_HEARTBEAT_STARTED,
+          new ServerHeartbeatStartedEvent(monitor.address)
+        );
+        start = now();
+      } else {
+        monitor[kRTTPinger]?.close();
+        monitor[kRTTPinger] = undefined;
+
+        callback(undefined, hello);
+      }
+    });
+
+    return;
+  }
+
+  // connecting does an implicit `hello`
+  connect(monitor.connectOptions, (err, conn) => {
+    if (err) {
+      monitor[kConnection] = undefined;
+
+      failureHandler(err);
+      return;
+    }
+
+    if (conn) {
+      // Tell the connection that we are using the streaming protocol so that the
+      // connection's message stream will only read the last hello on the buffer.
+      conn.isMonitoringConnection = true;
+
+      if (isInCloseState(monitor)) {
+        conn.destroy({ force: true });
+        return;
+      }
+
+      monitor[kConnection] = conn;
+      monitor.emit(
+        Server.SERVER_HEARTBEAT_SUCCEEDED,
+        new ServerHeartbeatSucceededEvent(monitor.address, calculateDurationInMs(start), conn.hello)
+      );
+
+      callback(undefined, conn.hello);
+    }
+  });
+}
+
+function monitorServer(monitor: Monitor) {
+  return (callback: Callback) => {
+    stateTransition(monitor, STATE_MONITORING);
+    function done() {
+      if (!isInCloseState(monitor)) {
+        stateTransition(monitor, STATE_IDLE);
+      }
+
+      callback();
+    }
+
+    checkServer(monitor, (err, hello) => {
+      if (err) {
+        // otherwise an error occurred on initial discovery, also bail
+        if (monitor[kServer].description.type === ServerType.Unknown) {
+          return done();
+        }
+      }
+
+      // if the check indicates streaming is supported, immediately reschedule monitoring
+      if (hello && hello.topologyVersion) {
+        setTimeout(() => {
+          if (!isInCloseState(monitor)) {
+            monitor[kMonitorId]?.wake();
+          }
+        }, 0);
+      }
+
+      done();
+    });
+  };
+}
+
+function makeTopologyVersion(tv: TopologyVersion) {
+  return {
+    processId: tv.processId,
+    // tests mock counter as just number, but in a real situation counter should always be a Long
+    // TODO(NODE-2674): Preserve int64 sent from MongoDB
+    counter: Long.isLong(tv.counter) ? tv.counter : Long.fromNumber(tv.counter)
+  };
+}
+
+/** @internal */
+export interface RTTPingerOptions extends ConnectionOptions {
+  heartbeatFrequencyMS: number;
+}
+
+/** @internal */
+export class RTTPinger {
+  /** @internal */
+  [kConnection]?: Connection;
+  /** @internal */
+  [kCancellationToken]: CancellationToken;
+  /** @internal */
+  [kRoundTripTime]: number;
+  /** @internal */
+  [kMonitorId]: NodeJS.Timeout;
+  closed: boolean;
+
+  constructor(cancellationToken: CancellationToken, options: RTTPingerOptions) {
+    this[kConnection] = undefined;
+    this[kCancellationToken] = cancellationToken;
+    this[kRoundTripTime] = 0;
+    this.closed = false;
+
+    const heartbeatFrequencyMS = options.heartbeatFrequencyMS;
+    this[kMonitorId] = setTimeout(() => measureRoundTripTime(this, options), heartbeatFrequencyMS);
+  }
+
+  get roundTripTime(): number {
+    return this[kRoundTripTime];
+  }
+
+  close(): void {
+    this.closed = true;
+    clearTimeout(this[kMonitorId]);
+
+    this[kConnection]?.destroy({ force: true });
+    this[kConnection] = undefined;
+  }
+}
+
+function measureRoundTripTime(rttPinger: RTTPinger, options: RTTPingerOptions) {
+  const start = now();
+  options.cancellationToken = rttPinger[kCancellationToken];
+  const heartbeatFrequencyMS = options.heartbeatFrequencyMS;
+
+  if (rttPinger.closed) {
+    return;
+  }
+
+  function measureAndReschedule(conn?: Connection) {
+    if (rttPinger.closed) {
+      conn?.destroy({ force: true });
+      return;
+    }
+
+    if (rttPinger[kConnection] == null) {
+      rttPinger[kConnection] = conn;
+    }
+
+    rttPinger[kRoundTripTime] = calculateDurationInMs(start);
+    rttPinger[kMonitorId] = setTimeout(
+      () => measureRoundTripTime(rttPinger, options),
+      heartbeatFrequencyMS
+    );
+  }
+
+  const connection = rttPinger[kConnection];
+  if (connection == null) {
+    connect(options, (err, conn) => {
+      if (err) {
+        rttPinger[kConnection] = undefined;
+        rttPinger[kRoundTripTime] = 0;
+        return;
+      }
+
+      measureAndReschedule(conn);
+    });
+
+    return;
+  }
+
+  connection.command(ns('admin.$cmd'), { [LEGACY_HELLO_COMMAND]: 1 }, undefined, err => {
+    if (err) {
+      rttPinger[kConnection] = undefined;
+      rttPinger[kRoundTripTime] = 0;
+      return;
+    }
+
+    measureAndReschedule();
+  });
+}
+
+/**
+ * @internal
+ */
+export interface MonitorIntervalOptions {
+  /** The interval to execute a method on */
+  heartbeatFrequencyMS: number;
+  /** A minimum interval that must elapse before the method is called */
+  minHeartbeatFrequencyMS: number;
+  /** Whether the method should be called immediately when the interval is started  */
+  immediate: boolean;
+
+  /**
+   * Only used for testing unreliable timer environments
+   * @internal
+   */
+  clock: () => number;
+}
+
+/**
+ * @internal
+ */
+export class MonitorInterval {
+  fn: (callback: Callback) => void;
+  timerId: NodeJS.Timeout | undefined;
+  lastCallTime: number;
+  isExpeditedCheckScheduled = false;
+  stopped = false;
+
+  heartbeatFrequencyMS: number;
+  minHeartbeatFrequencyMS: number;
+  clock: () => number;
+
+  constructor(fn: (callback: Callback) => void, options: Partial<MonitorIntervalOptions> = {}) {
+    this.fn = fn;
+    this.lastCallTime = 0;
+
+    this.heartbeatFrequencyMS = options.heartbeatFrequencyMS ?? 1000;
+    this.minHeartbeatFrequencyMS = options.minHeartbeatFrequencyMS ?? 500;
+    this.clock = typeof options.clock === 'function' ? options.clock : now;
+
+    if (options.immediate) {
+      this._executeAndReschedule();
+    } else {
+      this.lastCallTime = this.clock();
+      this._reschedule(undefined);
+    }
+  }
+
+  wake() {
+    const currentTime = this.clock();
+    const nextScheduledCallTime = this.lastCallTime + this.heartbeatFrequencyMS;
+    const timeUntilNextCall = nextScheduledCallTime - currentTime;
+
+    // For the streaming protocol: there is nothing obviously stopping this
+    // interval from being woken up again while we are waiting "infinitely"
+    // for `fn` to be called again`. Since the function effectively
+    // never completes, the `timeUntilNextCall` will continue to grow
+    // negatively unbounded, so it will never trigger a reschedule here.
+
+    // This is possible in virtualized environments like AWS Lambda where our
+    // clock is unreliable. In these cases the timer is "running" but never
+    // actually completes, so we want to execute immediately and then attempt
+    // to reschedule.
+    if (timeUntilNextCall < 0) {
+      this._executeAndReschedule();
+      return;
+    }
+
+    // debounce multiple calls to wake within the `minInterval`
+    if (this.isExpeditedCheckScheduled) {
+      return;
+    }
+
+    // reschedule a call as soon as possible, ensuring the call never happens
+    // faster than the `minInterval`
+    if (timeUntilNextCall > this.minHeartbeatFrequencyMS) {
+      this._reschedule(this.minHeartbeatFrequencyMS);
+      this.isExpeditedCheckScheduled = true;
+    }
+  }
+
+  stop() {
+    this.stopped = true;
+    if (this.timerId) {
+      clearTimeout(this.timerId);
+      this.timerId = undefined;
+    }
+
+    this.lastCallTime = 0;
+    this.isExpeditedCheckScheduled = false;
+  }
+
+  toString() {
+    return JSON.stringify(this);
+  }
+
+  toJSON() {
+    return {
+      timerId: this.timerId != null ? 'set' : 'cleared',
+      lastCallTime: this.lastCallTime,
+      isExpeditedCheckScheduled: this.isExpeditedCheckScheduled,
+      stopped: this.stopped,
+      heartbeatFrequencyMS: this.heartbeatFrequencyMS,
+      minHeartbeatFrequencyMS: this.minHeartbeatFrequencyMS
+    };
+  }
+
+  private _reschedule(ms?: number) {
+    if (this.stopped) return;
+    if (this.timerId) {
+      clearTimeout(this.timerId);
+    }
+
+    this.timerId = setTimeout(this._executeAndReschedule, ms || this.heartbeatFrequencyMS);
+  }
+
+  private _executeAndReschedule = () => {
+    this.isExpeditedCheckScheduled = false;
+    this.lastCallTime = this.clock();
+
+    this.fn(err => {
+      if (err) throw err;
+      this._reschedule(this.heartbeatFrequencyMS);
+    });
+  };
+}
diff --git a/node_modules/mongodb/src/sdam/server.ts b/node_modules/mongodb/src/sdam/server.ts
new file mode 100644
index 000000000..3560ef9cf
--- /dev/null
+++ b/node_modules/mongodb/src/sdam/server.ts
@@ -0,0 +1,542 @@
+import type { Document } from '../bson';
+import { CommandOptions, Connection, DestroyOptions, GetMoreOptions } from '../cmap/connection';
+import {
+  ConnectionPool,
+  ConnectionPoolEvents,
+  ConnectionPoolOptions
+} from '../cmap/connection_pool';
+import { PoolClearedError } from '../cmap/errors';
+import {
+  APM_EVENTS,
+  CLOSED,
+  CMAP_EVENTS,
+  CONNECT,
+  DESCRIPTION_RECEIVED,
+  ENDED,
+  HEARTBEAT_EVENTS,
+  SERVER_HEARTBEAT_FAILED,
+  SERVER_HEARTBEAT_STARTED,
+  SERVER_HEARTBEAT_SUCCEEDED
+} from '../constants';
+import type { AutoEncrypter } from '../deps';
+import {
+  isNetworkErrorBeforeHandshake,
+  isNodeShuttingDownError,
+  isSDAMUnrecoverableError,
+  MongoCompatibilityError,
+  MongoError,
+  MongoErrorLabel,
+  MongoInvalidArgumentError,
+  MongoNetworkError,
+  MongoNetworkTimeoutError,
+  MongoServerClosedError,
+  MongoServerError,
+  MongoUnexpectedServerResponseError,
+  needsRetryableWriteLabel
+} from '../error';
+import { Logger } from '../logger';
+import type { ServerApi } from '../mongo_client';
+import { TypedEventEmitter } from '../mongo_types';
+import type { ClientSession } from '../sessions';
+import { isTransactionCommand } from '../transactions';
+import {
+  Callback,
+  collationNotSupported,
+  EventEmitterWithState,
+  makeStateMachine,
+  maxWireVersion,
+  MongoDBNamespace,
+  supportsRetryableWrites
+} from '../utils';
+import {
+  ClusterTime,
+  STATE_CLOSED,
+  STATE_CLOSING,
+  STATE_CONNECTED,
+  STATE_CONNECTING,
+  TopologyType
+} from './common';
+import type {
+  ServerHeartbeatFailedEvent,
+  ServerHeartbeatStartedEvent,
+  ServerHeartbeatSucceededEvent
+} from './events';
+import { Monitor, MonitorOptions } from './monitor';
+import { compareTopologyVersion, ServerDescription } from './server_description';
+import type { Topology } from './topology';
+
+const stateTransition = makeStateMachine({
+  [STATE_CLOSED]: [STATE_CLOSED, STATE_CONNECTING],
+  [STATE_CONNECTING]: [STATE_CONNECTING, STATE_CLOSING, STATE_CONNECTED, STATE_CLOSED],
+  [STATE_CONNECTED]: [STATE_CONNECTED, STATE_CLOSING, STATE_CLOSED],
+  [STATE_CLOSING]: [STATE_CLOSING, STATE_CLOSED]
+});
+
+/** @internal */
+const kMonitor = Symbol('monitor');
+
+/** @public */
+export type ServerOptions = Omit<ConnectionPoolOptions, 'id' | 'generation' | 'hostAddress'> &
+  MonitorOptions;
+
+/** @internal */
+export interface ServerPrivate {
+  /** The server description for this server */
+  description: ServerDescription;
+  /** A copy of the options used to construct this instance */
+  options: ServerOptions;
+  /** A logger instance */
+  logger: Logger;
+  /** The current state of the Server */
+  state: string;
+  /** The topology this server is a part of */
+  topology: Topology;
+  /** A connection pool for this server */
+  pool: ConnectionPool;
+  /** MongoDB server API version */
+  serverApi?: ServerApi;
+  /** A count of the operations currently running against the server. */
+  operationCount: number;
+}
+
+/** @public */
+export type ServerEvents = {
+  serverHeartbeatStarted(event: ServerHeartbeatStartedEvent): void;
+  serverHeartbeatSucceeded(event: ServerHeartbeatSucceededEvent): void;
+  serverHeartbeatFailed(event: ServerHeartbeatFailedEvent): void;
+  /** Top level MongoClient doesn't emit this so it is marked: @internal */
+  connect(server: Server): void;
+  descriptionReceived(description: ServerDescription): void;
+  closed(): void;
+  ended(): void;
+} & ConnectionPoolEvents &
+  EventEmitterWithState;
+
+/** @internal */
+export class Server extends TypedEventEmitter<ServerEvents> {
+  /** @internal */
+  s: ServerPrivate;
+  serverApi?: ServerApi;
+  hello?: Document;
+  [kMonitor]: Monitor | null;
+
+  /** @event */
+  static readonly SERVER_HEARTBEAT_STARTED = SERVER_HEARTBEAT_STARTED;
+  /** @event */
+  static readonly SERVER_HEARTBEAT_SUCCEEDED = SERVER_HEARTBEAT_SUCCEEDED;
+  /** @event */
+  static readonly SERVER_HEARTBEAT_FAILED = SERVER_HEARTBEAT_FAILED;
+  /** @event */
+  static readonly CONNECT = CONNECT;
+  /** @event */
+  static readonly DESCRIPTION_RECEIVED = DESCRIPTION_RECEIVED;
+  /** @event */
+  static readonly CLOSED = CLOSED;
+  /** @event */
+  static readonly ENDED = ENDED;
+
+  /**
+   * Create a server
+   */
+  constructor(topology: Topology, description: ServerDescription, options: ServerOptions) {
+    super();
+
+    this.serverApi = options.serverApi;
+
+    const poolOptions = { hostAddress: description.hostAddress, ...options };
+
+    this.s = {
+      description,
+      options,
+      logger: new Logger('Server'),
+      state: STATE_CLOSED,
+      topology,
+      pool: new ConnectionPool(poolOptions),
+      operationCount: 0
+    };
+
+    for (const event of [...CMAP_EVENTS, ...APM_EVENTS]) {
+      this.s.pool.on(event, (e: any) => this.emit(event, e));
+    }
+
+    this.s.pool.on(Connection.CLUSTER_TIME_RECEIVED, (clusterTime: ClusterTime) => {
+      this.clusterTime = clusterTime;
+    });
+
+    if (this.loadBalanced) {
+      this[kMonitor] = null;
+      // monitoring is disabled in load balancing mode
+      return;
+    }
+
+    // create the monitor
+    // TODO(NODE-4144): Remove new variable for type narrowing
+    const monitor = new Monitor(this, this.s.options);
+    this[kMonitor] = monitor;
+
+    for (const event of HEARTBEAT_EVENTS) {
+      monitor.on(event, (e: any) => this.emit(event, e));
+    }
+
+    monitor.on('resetServer', (error: MongoError) => markServerUnknown(this, error));
+    monitor.on(Server.SERVER_HEARTBEAT_SUCCEEDED, (event: ServerHeartbeatSucceededEvent) => {
+      this.emit(
+        Server.DESCRIPTION_RECEIVED,
+        new ServerDescription(this.description.hostAddress, event.reply, {
+          roundTripTime: calculateRoundTripTime(this.description.roundTripTime, event.duration)
+        })
+      );
+
+      if (this.s.state === STATE_CONNECTING) {
+        stateTransition(this, STATE_CONNECTED);
+        this.emit(Server.CONNECT, this);
+      }
+    });
+  }
+
+  get clusterTime(): ClusterTime | undefined {
+    return this.s.topology.clusterTime;
+  }
+
+  set clusterTime(clusterTime: ClusterTime | undefined) {
+    this.s.topology.clusterTime = clusterTime;
+  }
+
+  get description(): ServerDescription {
+    return this.s.description;
+  }
+
+  get name(): string {
+    return this.s.description.address;
+  }
+
+  get autoEncrypter(): AutoEncrypter | undefined {
+    if (this.s.options && this.s.options.autoEncrypter) {
+      return this.s.options.autoEncrypter;
+    }
+    return;
+  }
+
+  get loadBalanced(): boolean {
+    return this.s.topology.description.type === TopologyType.LoadBalanced;
+  }
+
+  /**
+   * Initiate server connect
+   */
+  connect(): void {
+    if (this.s.state !== STATE_CLOSED) {
+      return;
+    }
+
+    stateTransition(this, STATE_CONNECTING);
+
+    // If in load balancer mode we automatically set the server to
+    // a load balancer. It never transitions out of this state and
+    // has no monitor.
+    if (!this.loadBalanced) {
+      this[kMonitor]?.connect();
+    } else {
+      stateTransition(this, STATE_CONNECTED);
+      this.emit(Server.CONNECT, this);
+    }
+  }
+
+  /** Destroy the server connection */
+  destroy(options?: DestroyOptions, callback?: Callback): void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = Object.assign({}, { force: false }, options);
+
+    if (this.s.state === STATE_CLOSED) {
+      if (typeof callback === 'function') {
+        callback();
+      }
+
+      return;
+    }
+
+    stateTransition(this, STATE_CLOSING);
+
+    if (!this.loadBalanced) {
+      this[kMonitor]?.close();
+    }
+
+    this.s.pool.close(options, err => {
+      stateTransition(this, STATE_CLOSED);
+      this.emit('closed');
+      if (typeof callback === 'function') {
+        callback(err);
+      }
+    });
+  }
+
+  /**
+   * Immediately schedule monitoring of this server. If there already an attempt being made
+   * this will be a no-op.
+   */
+  requestCheck(): void {
+    if (!this.loadBalanced) {
+      this[kMonitor]?.requestCheck();
+    }
+  }
+
+  /**
+   * Execute a command
+   * @internal
+   */
+  command(
+    ns: MongoDBNamespace,
+    cmd: Document,
+    options: CommandOptions,
+    callback: Callback<Document>
+  ): void {
+    if (callback == null) {
+      throw new MongoInvalidArgumentError('Callback must be provided');
+    }
+
+    if (ns.db == null || typeof ns === 'string') {
+      throw new MongoInvalidArgumentError('Namespace must not be a string');
+    }
+
+    if (this.s.state === STATE_CLOSING || this.s.state === STATE_CLOSED) {
+      callback(new MongoServerClosedError());
+      return;
+    }
+
+    // Clone the options
+    const finalOptions = Object.assign({}, options, { wireProtocolCommand: false });
+
+    // There are cases where we need to flag the read preference not to get sent in
+    // the command, such as pre-5.0 servers attempting to perform an aggregate write
+    // with a non-primary read preference. In this case the effective read preference
+    // (primary) is not the same as the provided and must be removed completely.
+    if (finalOptions.omitReadPreference) {
+      delete finalOptions.readPreference;
+    }
+
+    // error if collation not supported
+    if (collationNotSupported(this, cmd)) {
+      callback(new MongoCompatibilityError(`Server ${this.name} does not support collation`));
+      return;
+    }
+
+    const session = finalOptions.session;
+    const conn = session?.pinnedConnection;
+
+    // NOTE: This is a hack! We can't retrieve the connections used for executing an operation
+    //       (and prevent them from being checked back in) at the point of operation execution.
+    //       This should be considered as part of the work for NODE-2882
+    // NOTE:
+    //       When incrementing operation count, it's important that we increment it before we
+    //       attempt to check out a connection from the pool.  This ensures that operations that
+    //       are waiting for a connection are included in the operation count.  Load balanced
+    //       mode will only ever have a single server, so the operation count doesn't matter.
+    //       Incrementing the operation count above the logic to handle load balanced mode would
+    //       require special logic to decrement it again, or would double increment (the load
+    //       balanced code makes a recursive call).  Instead, we increment the count after this
+    //       check.
+    if (this.loadBalanced && session && conn == null && isPinnableCommand(cmd, session)) {
+      this.s.pool.checkOut((err, checkedOut) => {
+        if (err || checkedOut == null) {
+          if (callback) return callback(err);
+          return;
+        }
+
+        session.pin(checkedOut);
+        this.command(ns, cmd, finalOptions, callback);
+      });
+      return;
+    }
+
+    this.s.operationCount += 1;
+
+    this.s.pool.withConnection(
+      conn,
+      (err, conn, cb) => {
+        if (err || !conn) {
+          this.s.operationCount -= 1;
+          if (!(err instanceof PoolClearedError)) {
+            markServerUnknown(this, err);
+          } else {
+            err.addErrorLabel(MongoErrorLabel.RetryableWriteError);
+          }
+          return cb(err);
+        }
+
+        conn.command(
+          ns,
+          cmd,
+          finalOptions,
+          makeOperationHandler(this, conn, cmd, finalOptions, (error, response) => {
+            this.s.operationCount -= 1;
+            cb(error, response);
+          })
+        );
+      },
+      callback
+    );
+  }
+}
+
+function calculateRoundTripTime(oldRtt: number, duration: number): number {
+  if (oldRtt === -1) {
+    return duration;
+  }
+
+  const alpha = 0.2;
+  return alpha * duration + (1 - alpha) * oldRtt;
+}
+
+function markServerUnknown(server: Server, error?: MongoServerError) {
+  // Load balancer servers can never be marked unknown.
+  if (server.loadBalanced) {
+    return;
+  }
+
+  if (error instanceof MongoNetworkError && !(error instanceof MongoNetworkTimeoutError)) {
+    server[kMonitor]?.reset();
+  }
+
+  server.emit(
+    Server.DESCRIPTION_RECEIVED,
+    new ServerDescription(server.description.hostAddress, undefined, { error })
+  );
+}
+
+function isPinnableCommand(cmd: Document, session?: ClientSession): boolean {
+  if (session) {
+    return (
+      session.inTransaction() ||
+      'aggregate' in cmd ||
+      'find' in cmd ||
+      'getMore' in cmd ||
+      'listCollections' in cmd ||
+      'listIndexes' in cmd
+    );
+  }
+
+  return false;
+}
+
+function connectionIsStale(pool: ConnectionPool, connection: Connection) {
+  if (connection.serviceId) {
+    return (
+      connection.generation !== pool.serviceGenerations.get(connection.serviceId.toHexString())
+    );
+  }
+
+  return connection.generation !== pool.generation;
+}
+
+function shouldHandleStateChangeError(server: Server, err: MongoError) {
+  const etv = err.topologyVersion;
+  const stv = server.description.topologyVersion;
+  return compareTopologyVersion(stv, etv) < 0;
+}
+
+function inActiveTransaction(session: ClientSession | undefined, cmd: Document) {
+  return session && session.inTransaction() && !isTransactionCommand(cmd);
+}
+
+/** this checks the retryWrites option passed down from the client options, it
+ * does not check if the server supports retryable writes */
+function isRetryableWritesEnabled(topology: Topology) {
+  return topology.s.options.retryWrites !== false;
+}
+
+function makeOperationHandler(
+  server: Server,
+  connection: Connection,
+  cmd: Document,
+  options: CommandOptions | GetMoreOptions | undefined,
+  callback: Callback
+): Callback {
+  const session = options?.session;
+  return function handleOperationResult(error, result) {
+    if (result != null) {
+      return callback(undefined, result);
+    }
+
+    if (!error) {
+      return callback(new MongoUnexpectedServerResponseError('Empty response with no error'));
+    }
+
+    if (!(error instanceof MongoError)) {
+      // Node.js or some other error we have not special handling for
+      return callback(error);
+    }
+
+    if (connectionIsStale(server.s.pool, connection)) {
+      return callback(error);
+    }
+
+    if (error instanceof MongoNetworkError) {
+      if (session && !session.hasEnded && session.serverSession) {
+        session.serverSession.isDirty = true;
+      }
+
+      // inActiveTransaction check handles commit and abort.
+      if (
+        inActiveTransaction(session, cmd) &&
+        !error.hasErrorLabel(MongoErrorLabel.TransientTransactionError)
+      ) {
+        error.addErrorLabel(MongoErrorLabel.TransientTransactionError);
+      }
+
+      if (
+        (isRetryableWritesEnabled(server.s.topology) || isTransactionCommand(cmd)) &&
+        supportsRetryableWrites(server) &&
+        !inActiveTransaction(session, cmd)
+      ) {
+        error.addErrorLabel(MongoErrorLabel.RetryableWriteError);
+      }
+
+      if (!(error instanceof MongoNetworkTimeoutError) || isNetworkErrorBeforeHandshake(error)) {
+        // In load balanced mode we never mark the server as unknown and always
+        // clear for the specific service id.
+
+        if (!server.loadBalanced) {
+          error.addErrorLabel(MongoErrorLabel.ResetPool);
+          markServerUnknown(server, error);
+        } else {
+          server.s.pool.clear(connection.serviceId);
+        }
+      }
+    } else {
+      if (
+        (isRetryableWritesEnabled(server.s.topology) || isTransactionCommand(cmd)) &&
+        needsRetryableWriteLabel(error, maxWireVersion(server)) &&
+        !inActiveTransaction(session, cmd)
+      ) {
+        error.addErrorLabel(MongoErrorLabel.RetryableWriteError);
+      }
+
+      if (isSDAMUnrecoverableError(error)) {
+        if (shouldHandleStateChangeError(server, error)) {
+          const shouldClearPool = maxWireVersion(server) <= 7 || isNodeShuttingDownError(error);
+          if (server.loadBalanced && shouldClearPool) {
+            server.s.pool.clear(connection.serviceId);
+          }
+
+          if (!server.loadBalanced) {
+            if (shouldClearPool) {
+              error.addErrorLabel(MongoErrorLabel.ResetPool);
+            }
+            markServerUnknown(server, error);
+            process.nextTick(() => server.requestCheck());
+          }
+        }
+      }
+    }
+
+    if (
+      session &&
+      session.isPinned &&
+      error.hasErrorLabel(MongoErrorLabel.TransientTransactionError)
+    ) {
+      session.unpin({ force: true });
+    }
+
+    return callback(error);
+  };
+}
diff --git a/node_modules/mongodb/src/sdam/server_description.ts b/node_modules/mongodb/src/sdam/server_description.ts
new file mode 100644
index 000000000..ab5da450a
--- /dev/null
+++ b/node_modules/mongodb/src/sdam/server_description.ts
@@ -0,0 +1,262 @@
+import { Document, Long, ObjectId } from '../bson';
+import { MongoError, MongoRuntimeError, MongoServerError } from '../error';
+import { arrayStrictEqual, compareObjectId, errorStrictEqual, HostAddress, now } from '../utils';
+import type { ClusterTime } from './common';
+import { ServerType } from './common';
+
+const WRITABLE_SERVER_TYPES = new Set<ServerType>([
+  ServerType.RSPrimary,
+  ServerType.Standalone,
+  ServerType.Mongos,
+  ServerType.LoadBalancer
+]);
+
+const DATA_BEARING_SERVER_TYPES = new Set<ServerType>([
+  ServerType.RSPrimary,
+  ServerType.RSSecondary,
+  ServerType.Mongos,
+  ServerType.Standalone,
+  ServerType.LoadBalancer
+]);
+
+/** @public */
+export interface TopologyVersion {
+  processId: ObjectId;
+  counter: Long;
+}
+
+/** @public */
+export type TagSet = { [key: string]: string };
+
+/** @internal */
+export interface ServerDescriptionOptions {
+  /** An Error used for better reporting debugging */
+  error?: MongoServerError;
+
+  /** The round trip time to ping this server (in ms) */
+  roundTripTime?: number;
+
+  /** If the client is in load balancing mode. */
+  loadBalanced?: boolean;
+}
+
+/**
+ * The client's view of a single server, based on the most recent hello outcome.
+ *
+ * Internal type, not meant to be directly instantiated
+ * @public
+ */
+export class ServerDescription {
+  address: string;
+  type: ServerType;
+  hosts: string[];
+  passives: string[];
+  arbiters: string[];
+  tags: TagSet;
+  error: MongoError | null;
+  topologyVersion: TopologyVersion | null;
+  minWireVersion: number;
+  maxWireVersion: number;
+  roundTripTime: number;
+  lastUpdateTime: number;
+  lastWriteDate: number;
+  me: string | null;
+  primary: string | null;
+  setName: string | null;
+  setVersion: number | null;
+  electionId: ObjectId | null;
+  logicalSessionTimeoutMinutes: number | null;
+
+  // NOTE: does this belong here? It seems we should gossip the cluster time at the CMAP level
+  $clusterTime?: ClusterTime;
+
+  /**
+   * Create a ServerDescription
+   * @internal
+   *
+   * @param address - The address of the server
+   * @param hello - An optional hello response for this server
+   */
+  constructor(
+    address: HostAddress | string,
+    hello?: Document,
+    options: ServerDescriptionOptions = {}
+  ) {
+    if (address == null || address === '') {
+      throw new MongoRuntimeError('ServerDescription must be provided with a non-empty address');
+    }
+
+    this.address =
+      typeof address === 'string'
+        ? HostAddress.fromString(address).toString() // Use HostAddress to normalize
+        : address.toString();
+    this.type = parseServerType(hello, options);
+    this.hosts = hello?.hosts?.map((host: string) => host.toLowerCase()) ?? [];
+    this.passives = hello?.passives?.map((host: string) => host.toLowerCase()) ?? [];
+    this.arbiters = hello?.arbiters?.map((host: string) => host.toLowerCase()) ?? [];
+    this.tags = hello?.tags ?? {};
+    this.minWireVersion = hello?.minWireVersion ?? 0;
+    this.maxWireVersion = hello?.maxWireVersion ?? 0;
+    this.roundTripTime = options?.roundTripTime ?? -1;
+    this.lastUpdateTime = now();
+    this.lastWriteDate = hello?.lastWrite?.lastWriteDate ?? 0;
+    this.error = options.error ?? null;
+    // TODO(NODE-2674): Preserve int64 sent from MongoDB
+    this.topologyVersion = this.error?.topologyVersion ?? hello?.topologyVersion ?? null;
+    this.setName = hello?.setName ?? null;
+    this.setVersion = hello?.setVersion ?? null;
+    this.electionId = hello?.electionId ?? null;
+    this.logicalSessionTimeoutMinutes = hello?.logicalSessionTimeoutMinutes ?? null;
+    this.primary = hello?.primary ?? null;
+    this.me = hello?.me?.toLowerCase() ?? null;
+    this.$clusterTime = hello?.$clusterTime ?? null;
+  }
+
+  get hostAddress(): HostAddress {
+    return HostAddress.fromString(this.address);
+  }
+
+  get allHosts(): string[] {
+    return this.hosts.concat(this.arbiters).concat(this.passives);
+  }
+
+  /** Is this server available for reads*/
+  get isReadable(): boolean {
+    return this.type === ServerType.RSSecondary || this.isWritable;
+  }
+
+  /** Is this server data bearing */
+  get isDataBearing(): boolean {
+    return DATA_BEARING_SERVER_TYPES.has(this.type);
+  }
+
+  /** Is this server available for writes */
+  get isWritable(): boolean {
+    return WRITABLE_SERVER_TYPES.has(this.type);
+  }
+
+  get host(): string {
+    const chopLength = `:${this.port}`.length;
+    return this.address.slice(0, -chopLength);
+  }
+
+  get port(): number {
+    const port = this.address.split(':').pop();
+    return port ? Number.parseInt(port, 10) : 27017;
+  }
+
+  /**
+   * Determines if another `ServerDescription` is equal to this one per the rules defined
+   * in the {@link https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#serverdescription|SDAM spec}
+   */
+  equals(other?: ServerDescription | null): boolean {
+    // Despite using the comparator that would determine a nullish topologyVersion as greater than
+    // for equality we should only always perform direct equality comparison
+    const topologyVersionsEqual =
+      this.topologyVersion === other?.topologyVersion ||
+      compareTopologyVersion(this.topologyVersion, other?.topologyVersion) === 0;
+
+    const electionIdsEqual =
+      this.electionId != null && other?.electionId != null
+        ? compareObjectId(this.electionId, other.electionId) === 0
+        : this.electionId === other?.electionId;
+
+    return (
+      other != null &&
+      errorStrictEqual(this.error, other.error) &&
+      this.type === other.type &&
+      this.minWireVersion === other.minWireVersion &&
+      arrayStrictEqual(this.hosts, other.hosts) &&
+      tagsStrictEqual(this.tags, other.tags) &&
+      this.setName === other.setName &&
+      this.setVersion === other.setVersion &&
+      electionIdsEqual &&
+      this.primary === other.primary &&
+      this.logicalSessionTimeoutMinutes === other.logicalSessionTimeoutMinutes &&
+      topologyVersionsEqual
+    );
+  }
+}
+
+// Parses a `hello` message and determines the server type
+export function parseServerType(hello?: Document, options?: ServerDescriptionOptions): ServerType {
+  if (options?.loadBalanced) {
+    return ServerType.LoadBalancer;
+  }
+
+  if (!hello || !hello.ok) {
+    return ServerType.Unknown;
+  }
+
+  if (hello.isreplicaset) {
+    return ServerType.RSGhost;
+  }
+
+  if (hello.msg && hello.msg === 'isdbgrid') {
+    return ServerType.Mongos;
+  }
+
+  if (hello.setName) {
+    if (hello.hidden) {
+      return ServerType.RSOther;
+    } else if (hello.isWritablePrimary) {
+      return ServerType.RSPrimary;
+    } else if (hello.secondary) {
+      return ServerType.RSSecondary;
+    } else if (hello.arbiterOnly) {
+      return ServerType.RSArbiter;
+    } else {
+      return ServerType.RSOther;
+    }
+  }
+
+  return ServerType.Standalone;
+}
+
+function tagsStrictEqual(tags: TagSet, tags2: TagSet): boolean {
+  const tagsKeys = Object.keys(tags);
+  const tags2Keys = Object.keys(tags2);
+
+  return (
+    tagsKeys.length === tags2Keys.length &&
+    tagsKeys.every((key: string) => tags2[key] === tags[key])
+  );
+}
+
+/**
+ * Compares two topology versions.
+ *
+ * 1. If the response topologyVersion is unset or the ServerDescription's
+ *    topologyVersion is null, the client MUST assume the response is more recent.
+ * 1. If the response's topologyVersion.processId is not equal to the
+ *    ServerDescription's, the client MUST assume the response is more recent.
+ * 1. If the response's topologyVersion.processId is equal to the
+ *    ServerDescription's, the client MUST use the counter field to determine
+ *    which topologyVersion is more recent.
+ *
+ * ```ts
+ * currentTv <   newTv === -1
+ * currentTv === newTv === 0
+ * currentTv >   newTv === 1
+ * ```
+ */
+export function compareTopologyVersion(
+  currentTv?: TopologyVersion | null,
+  newTv?: TopologyVersion | null
+): 0 | -1 | 1 {
+  if (currentTv == null || newTv == null) {
+    return -1;
+  }
+
+  if (!currentTv.processId.equals(newTv.processId)) {
+    return -1;
+  }
+
+  // TODO(NODE-2674): Preserve int64 sent from MongoDB
+  const currentCounter = Long.isLong(currentTv.counter)
+    ? currentTv.counter
+    : Long.fromNumber(currentTv.counter);
+  const newCounter = Long.isLong(newTv.counter) ? newTv.counter : Long.fromNumber(newTv.counter);
+
+  return currentCounter.compare(newCounter);
+}
diff --git a/node_modules/mongodb/src/sdam/server_selection.ts b/node_modules/mongodb/src/sdam/server_selection.ts
new file mode 100644
index 000000000..74bbd8918
--- /dev/null
+++ b/node_modules/mongodb/src/sdam/server_selection.ts
@@ -0,0 +1,324 @@
+import { MongoCompatibilityError, MongoInvalidArgumentError } from '../error';
+import { ReadPreference } from '../read_preference';
+import { ServerType, TopologyType } from './common';
+import type { ServerDescription, TagSet } from './server_description';
+import type { TopologyDescription } from './topology_description';
+
+// max staleness constants
+const IDLE_WRITE_PERIOD = 10000;
+const SMALLEST_MAX_STALENESS_SECONDS = 90;
+
+//  Minimum version to try writes on secondaries.
+export const MIN_SECONDARY_WRITE_WIRE_VERSION = 13;
+
+/** @public */
+export type ServerSelector = (
+  topologyDescription: TopologyDescription,
+  servers: ServerDescription[]
+) => ServerDescription[];
+
+/**
+ * Returns a server selector that selects for writable servers
+ */
+export function writableServerSelector(): ServerSelector {
+  return (
+    topologyDescription: TopologyDescription,
+    servers: ServerDescription[]
+  ): ServerDescription[] =>
+    latencyWindowReducer(
+      topologyDescription,
+      servers.filter((s: ServerDescription) => s.isWritable)
+    );
+}
+
+/**
+ * The purpose of this selector is to select the same server, only
+ * if it is in a state that it can have commands sent to it.
+ */
+export function sameServerSelector(description?: ServerDescription): ServerSelector {
+  return (
+    topologyDescription: TopologyDescription,
+    servers: ServerDescription[]
+  ): ServerDescription[] => {
+    if (!description) return [];
+    // Filter the servers to match the provided description only if
+    // the type is not unknown.
+    return servers.filter(sd => {
+      return sd.address === description.address && sd.type !== ServerType.Unknown;
+    });
+  };
+}
+
+/**
+ * Returns a server selector that uses a read preference to select a
+ * server potentially for a write on a secondary.
+ */
+export function secondaryWritableServerSelector(
+  wireVersion?: number,
+  readPreference?: ReadPreference
+): ServerSelector {
+  // If server version < 5.0, read preference always primary.
+  // If server version >= 5.0...
+  // - If read preference is supplied, use that.
+  // - If no read preference is supplied, use primary.
+  if (
+    !readPreference ||
+    !wireVersion ||
+    (wireVersion && wireVersion < MIN_SECONDARY_WRITE_WIRE_VERSION)
+  ) {
+    return readPreferenceServerSelector(ReadPreference.primary);
+  }
+  return readPreferenceServerSelector(readPreference);
+}
+
+/**
+ * Reduces the passed in array of servers by the rules of the "Max Staleness" specification
+ * found here: https://github.com/mongodb/specifications/blob/master/source/max-staleness/max-staleness.rst
+ *
+ * @param readPreference - The read preference providing max staleness guidance
+ * @param topologyDescription - The topology description
+ * @param servers - The list of server descriptions to be reduced
+ * @returns The list of servers that satisfy the requirements of max staleness
+ */
+function maxStalenessReducer(
+  readPreference: ReadPreference,
+  topologyDescription: TopologyDescription,
+  servers: ServerDescription[]
+): ServerDescription[] {
+  if (readPreference.maxStalenessSeconds == null || readPreference.maxStalenessSeconds < 0) {
+    return servers;
+  }
+
+  const maxStaleness = readPreference.maxStalenessSeconds;
+  const maxStalenessVariance =
+    (topologyDescription.heartbeatFrequencyMS + IDLE_WRITE_PERIOD) / 1000;
+  if (maxStaleness < maxStalenessVariance) {
+    throw new MongoInvalidArgumentError(
+      `Option "maxStalenessSeconds" must be at least ${maxStalenessVariance} seconds`
+    );
+  }
+
+  if (maxStaleness < SMALLEST_MAX_STALENESS_SECONDS) {
+    throw new MongoInvalidArgumentError(
+      `Option "maxStalenessSeconds" must be at least ${SMALLEST_MAX_STALENESS_SECONDS} seconds`
+    );
+  }
+
+  if (topologyDescription.type === TopologyType.ReplicaSetWithPrimary) {
+    const primary: ServerDescription = Array.from(topologyDescription.servers.values()).filter(
+      primaryFilter
+    )[0];
+
+    return servers.reduce((result: ServerDescription[], server: ServerDescription) => {
+      const stalenessMS =
+        server.lastUpdateTime -
+        server.lastWriteDate -
+        (primary.lastUpdateTime - primary.lastWriteDate) +
+        topologyDescription.heartbeatFrequencyMS;
+
+      const staleness = stalenessMS / 1000;
+      const maxStalenessSeconds = readPreference.maxStalenessSeconds ?? 0;
+      if (staleness <= maxStalenessSeconds) {
+        result.push(server);
+      }
+
+      return result;
+    }, []);
+  }
+
+  if (topologyDescription.type === TopologyType.ReplicaSetNoPrimary) {
+    if (servers.length === 0) {
+      return servers;
+    }
+
+    const sMax = servers.reduce((max: ServerDescription, s: ServerDescription) =>
+      s.lastWriteDate > max.lastWriteDate ? s : max
+    );
+
+    return servers.reduce((result: ServerDescription[], server: ServerDescription) => {
+      const stalenessMS =
+        sMax.lastWriteDate - server.lastWriteDate + topologyDescription.heartbeatFrequencyMS;
+
+      const staleness = stalenessMS / 1000;
+      const maxStalenessSeconds = readPreference.maxStalenessSeconds ?? 0;
+      if (staleness <= maxStalenessSeconds) {
+        result.push(server);
+      }
+
+      return result;
+    }, []);
+  }
+
+  return servers;
+}
+
+/**
+ * Determines whether a server's tags match a given set of tags
+ *
+ * @param tagSet - The requested tag set to match
+ * @param serverTags - The server's tags
+ */
+function tagSetMatch(tagSet: TagSet, serverTags: TagSet) {
+  const keys = Object.keys(tagSet);
+  const serverTagKeys = Object.keys(serverTags);
+  for (let i = 0; i < keys.length; ++i) {
+    const key = keys[i];
+    if (serverTagKeys.indexOf(key) === -1 || serverTags[key] !== tagSet[key]) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+/**
+ * Reduces a set of server descriptions based on tags requested by the read preference
+ *
+ * @param readPreference - The read preference providing the requested tags
+ * @param servers - The list of server descriptions to reduce
+ * @returns The list of servers matching the requested tags
+ */
+function tagSetReducer(
+  readPreference: ReadPreference,
+  servers: ServerDescription[]
+): ServerDescription[] {
+  if (
+    readPreference.tags == null ||
+    (Array.isArray(readPreference.tags) && readPreference.tags.length === 0)
+  ) {
+    return servers;
+  }
+
+  for (let i = 0; i < readPreference.tags.length; ++i) {
+    const tagSet = readPreference.tags[i];
+    const serversMatchingTagset = servers.reduce(
+      (matched: ServerDescription[], server: ServerDescription) => {
+        if (tagSetMatch(tagSet, server.tags)) matched.push(server);
+        return matched;
+      },
+      []
+    );
+
+    if (serversMatchingTagset.length) {
+      return serversMatchingTagset;
+    }
+  }
+
+  return [];
+}
+
+/**
+ * Reduces a list of servers to ensure they fall within an acceptable latency window. This is
+ * further specified in the "Server Selection" specification, found here:
+ * https://github.com/mongodb/specifications/blob/master/source/server-selection/server-selection.rst
+ *
+ * @param topologyDescription - The topology description
+ * @param servers - The list of servers to reduce
+ * @returns The servers which fall within an acceptable latency window
+ */
+function latencyWindowReducer(
+  topologyDescription: TopologyDescription,
+  servers: ServerDescription[]
+): ServerDescription[] {
+  const low = servers.reduce(
+    (min: number, server: ServerDescription) =>
+      min === -1 ? server.roundTripTime : Math.min(server.roundTripTime, min),
+    -1
+  );
+
+  const high = low + topologyDescription.localThresholdMS;
+  return servers.reduce((result: ServerDescription[], server: ServerDescription) => {
+    if (server.roundTripTime <= high && server.roundTripTime >= low) result.push(server);
+    return result;
+  }, []);
+}
+
+// filters
+function primaryFilter(server: ServerDescription): boolean {
+  return server.type === ServerType.RSPrimary;
+}
+
+function secondaryFilter(server: ServerDescription): boolean {
+  return server.type === ServerType.RSSecondary;
+}
+
+function nearestFilter(server: ServerDescription): boolean {
+  return server.type === ServerType.RSSecondary || server.type === ServerType.RSPrimary;
+}
+
+function knownFilter(server: ServerDescription): boolean {
+  return server.type !== ServerType.Unknown;
+}
+
+function loadBalancerFilter(server: ServerDescription): boolean {
+  return server.type === ServerType.LoadBalancer;
+}
+
+/**
+ * Returns a function which selects servers based on a provided read preference
+ *
+ * @param readPreference - The read preference to select with
+ */
+export function readPreferenceServerSelector(readPreference: ReadPreference): ServerSelector {
+  if (!readPreference.isValid()) {
+    throw new MongoInvalidArgumentError('Invalid read preference specified');
+  }
+
+  return (
+    topologyDescription: TopologyDescription,
+    servers: ServerDescription[]
+  ): ServerDescription[] => {
+    const commonWireVersion = topologyDescription.commonWireVersion;
+    if (
+      commonWireVersion &&
+      readPreference.minWireVersion &&
+      readPreference.minWireVersion > commonWireVersion
+    ) {
+      throw new MongoCompatibilityError(
+        `Minimum wire version '${readPreference.minWireVersion}' required, but found '${commonWireVersion}'`
+      );
+    }
+
+    if (topologyDescription.type === TopologyType.LoadBalanced) {
+      return servers.filter(loadBalancerFilter);
+    }
+
+    if (topologyDescription.type === TopologyType.Unknown) {
+      return [];
+    }
+
+    if (
+      topologyDescription.type === TopologyType.Single ||
+      topologyDescription.type === TopologyType.Sharded
+    ) {
+      return latencyWindowReducer(topologyDescription, servers.filter(knownFilter));
+    }
+
+    const mode = readPreference.mode;
+    if (mode === ReadPreference.PRIMARY) {
+      return servers.filter(primaryFilter);
+    }
+
+    if (mode === ReadPreference.PRIMARY_PREFERRED) {
+      const result = servers.filter(primaryFilter);
+      if (result.length) {
+        return result;
+      }
+    }
+
+    const filter = mode === ReadPreference.NEAREST ? nearestFilter : secondaryFilter;
+    const selectedServers = latencyWindowReducer(
+      topologyDescription,
+      tagSetReducer(
+        readPreference,
+        maxStalenessReducer(readPreference, topologyDescription, servers.filter(filter))
+      )
+    );
+
+    if (mode === ReadPreference.SECONDARY_PREFERRED && selectedServers.length === 0) {
+      return servers.filter(primaryFilter);
+    }
+
+    return selectedServers;
+  };
+}
diff --git a/node_modules/mongodb/src/sdam/srv_polling.ts b/node_modules/mongodb/src/sdam/srv_polling.ts
new file mode 100644
index 000000000..b61284a5e
--- /dev/null
+++ b/node_modules/mongodb/src/sdam/srv_polling.ts
@@ -0,0 +1,165 @@
+import * as dns from 'dns';
+import { clearTimeout, setTimeout } from 'timers';
+
+import { MongoRuntimeError } from '../error';
+import { Logger, LoggerOptions } from '../logger';
+import { TypedEventEmitter } from '../mongo_types';
+import { HostAddress } from '../utils';
+
+/**
+ * Determines whether a provided address matches the provided parent domain in order
+ * to avoid certain attack vectors.
+ *
+ * @param srvAddress - The address to check against a domain
+ * @param parentDomain - The domain to check the provided address against
+ * @returns Whether the provided address matches the parent domain
+ */
+function matchesParentDomain(srvAddress: string, parentDomain: string): boolean {
+  const regex = /^.*?\./;
+  const srv = `.${srvAddress.replace(regex, '')}`;
+  const parent = `.${parentDomain.replace(regex, '')}`;
+  return srv.endsWith(parent);
+}
+
+/**
+ * @internal
+ * @category Event
+ */
+export class SrvPollingEvent {
+  srvRecords: dns.SrvRecord[];
+  constructor(srvRecords: dns.SrvRecord[]) {
+    this.srvRecords = srvRecords;
+  }
+
+  hostnames(): Set<string> {
+    return new Set(this.srvRecords.map(r => HostAddress.fromSrvRecord(r).toString()));
+  }
+}
+
+/** @internal */
+export interface SrvPollerOptions extends LoggerOptions {
+  srvServiceName: string;
+  srvMaxHosts: number;
+  srvHost: string;
+  heartbeatFrequencyMS: number;
+}
+
+/** @internal */
+export type SrvPollerEvents = {
+  srvRecordDiscovery(event: SrvPollingEvent): void;
+};
+
+/** @internal */
+export class SrvPoller extends TypedEventEmitter<SrvPollerEvents> {
+  srvHost: string;
+  rescanSrvIntervalMS: number;
+  heartbeatFrequencyMS: number;
+  logger: Logger;
+  haMode: boolean;
+  generation: number;
+  srvMaxHosts: number;
+  srvServiceName: string;
+  _timeout?: NodeJS.Timeout;
+
+  /** @event */
+  static readonly SRV_RECORD_DISCOVERY = 'srvRecordDiscovery' as const;
+
+  constructor(options: SrvPollerOptions) {
+    super();
+
+    if (!options || !options.srvHost) {
+      throw new MongoRuntimeError('Options for SrvPoller must exist and include srvHost');
+    }
+
+    this.srvHost = options.srvHost;
+    this.srvMaxHosts = options.srvMaxHosts ?? 0;
+    this.srvServiceName = options.srvServiceName ?? 'mongodb';
+    this.rescanSrvIntervalMS = 60000;
+    this.heartbeatFrequencyMS = options.heartbeatFrequencyMS ?? 10000;
+    this.logger = new Logger('srvPoller', options);
+
+    this.haMode = false;
+    this.generation = 0;
+
+    this._timeout = undefined;
+  }
+
+  get srvAddress(): string {
+    return `_${this.srvServiceName}._tcp.${this.srvHost}`;
+  }
+
+  get intervalMS(): number {
+    return this.haMode ? this.heartbeatFrequencyMS : this.rescanSrvIntervalMS;
+  }
+
+  start(): void {
+    if (!this._timeout) {
+      this.schedule();
+    }
+  }
+
+  stop(): void {
+    if (this._timeout) {
+      clearTimeout(this._timeout);
+      this.generation += 1;
+      this._timeout = undefined;
+    }
+  }
+
+  schedule(): void {
+    if (this._timeout) {
+      clearTimeout(this._timeout);
+    }
+
+    this._timeout = setTimeout(() => this._poll(), this.intervalMS);
+  }
+
+  success(srvRecords: dns.SrvRecord[]): void {
+    this.haMode = false;
+    this.schedule();
+    this.emit(SrvPoller.SRV_RECORD_DISCOVERY, new SrvPollingEvent(srvRecords));
+  }
+
+  failure(message: string, obj?: NodeJS.ErrnoException): void {
+    this.logger.warn(message, obj);
+    this.haMode = true;
+    this.schedule();
+  }
+
+  parentDomainMismatch(srvRecord: dns.SrvRecord): void {
+    this.logger.warn(
+      `parent domain mismatch on SRV record (${srvRecord.name}:${srvRecord.port})`,
+      srvRecord
+    );
+  }
+
+  _poll(): void {
+    const generation = this.generation;
+    dns.resolveSrv(this.srvAddress, (err, srvRecords) => {
+      if (generation !== this.generation) {
+        return;
+      }
+
+      if (err) {
+        this.failure('DNS error', err);
+        return;
+      }
+
+      const finalAddresses: dns.SrvRecord[] = [];
+      for (const record of srvRecords) {
+        if (matchesParentDomain(record.name, this.srvHost)) {
+          finalAddresses.push(record);
+        } else {
+          this.parentDomainMismatch(record);
+        }
+      }
+
+      if (!finalAddresses.length) {
+        this.failure('No valid addresses found at host');
+        return;
+      }
+
+      this.success(finalAddresses);
+    });
+  }
+}
diff --git a/node_modules/mongodb/src/sdam/topology.ts b/node_modules/mongodb/src/sdam/topology.ts
new file mode 100644
index 000000000..61ec49fe5
--- /dev/null
+++ b/node_modules/mongodb/src/sdam/topology.ts
@@ -0,0 +1,1027 @@
+import Denque = require('denque');
+import { clearTimeout, setTimeout } from 'timers';
+import { promisify } from 'util';
+
+import type { BSONSerializeOptions, Document } from '../bson';
+import { deserialize, serialize } from '../bson';
+import type { MongoCredentials } from '../cmap/auth/mongo_credentials';
+import type { ConnectionEvents, DestroyOptions } from '../cmap/connection';
+import type { CloseOptions, ConnectionPoolEvents } from '../cmap/connection_pool';
+import { DEFAULT_OPTIONS, FEATURE_FLAGS } from '../connection_string';
+import {
+  CLOSE,
+  CONNECT,
+  ERROR,
+  LOCAL_SERVER_EVENTS,
+  OPEN,
+  SERVER_CLOSED,
+  SERVER_DESCRIPTION_CHANGED,
+  SERVER_OPENING,
+  SERVER_RELAY_EVENTS,
+  TIMEOUT,
+  TOPOLOGY_CLOSED,
+  TOPOLOGY_DESCRIPTION_CHANGED,
+  TOPOLOGY_OPENING
+} from '../constants';
+import {
+  MongoCompatibilityError,
+  MongoDriverError,
+  MongoError,
+  MongoErrorLabel,
+  MongoRuntimeError,
+  MongoServerSelectionError,
+  MongoTopologyClosedError
+} from '../error';
+import type { MongoClient, ServerApi } from '../mongo_client';
+import { TypedEventEmitter } from '../mongo_types';
+import { ReadPreference, ReadPreferenceLike } from '../read_preference';
+import type { ClientSession } from '../sessions';
+import type { Transaction } from '../transactions';
+import {
+  Callback,
+  ClientMetadata,
+  emitWarning,
+  EventEmitterWithState,
+  HostAddress,
+  makeStateMachine,
+  ns,
+  shuffle
+} from '../utils';
+import {
+  _advanceClusterTime,
+  ClusterTime,
+  drainTimerQueue,
+  ServerType,
+  STATE_CLOSED,
+  STATE_CLOSING,
+  STATE_CONNECTED,
+  STATE_CONNECTING,
+  TimerQueue,
+  TopologyType
+} from './common';
+import {
+  ServerClosedEvent,
+  ServerDescriptionChangedEvent,
+  ServerOpeningEvent,
+  TopologyClosedEvent,
+  TopologyDescriptionChangedEvent,
+  TopologyOpeningEvent
+} from './events';
+import { Server, ServerEvents, ServerOptions } from './server';
+import { compareTopologyVersion, ServerDescription } from './server_description';
+import { readPreferenceServerSelector, ServerSelector } from './server_selection';
+import { SrvPoller, SrvPollingEvent } from './srv_polling';
+import { TopologyDescription } from './topology_description';
+
+// Global state
+let globalTopologyCounter = 0;
+
+const stateTransition = makeStateMachine({
+  [STATE_CLOSED]: [STATE_CLOSED, STATE_CONNECTING],
+  [STATE_CONNECTING]: [STATE_CONNECTING, STATE_CLOSING, STATE_CONNECTED, STATE_CLOSED],
+  [STATE_CONNECTED]: [STATE_CONNECTED, STATE_CLOSING, STATE_CLOSED],
+  [STATE_CLOSING]: [STATE_CLOSING, STATE_CLOSED]
+});
+
+/** @internal */
+const kCancelled = Symbol('cancelled');
+/** @internal */
+const kWaitQueue = Symbol('waitQueue');
+
+/** @internal */
+export type ServerSelectionCallback = Callback<Server>;
+
+/** @internal */
+export interface ServerSelectionRequest {
+  serverSelector: ServerSelector;
+  transaction?: Transaction;
+  callback: ServerSelectionCallback;
+  timer?: NodeJS.Timeout;
+  [kCancelled]?: boolean;
+}
+
+/** @internal */
+export interface TopologyPrivate {
+  /** the id of this topology */
+  id: number;
+  /** passed in options */
+  options: TopologyOptions;
+  /** initial seedlist of servers to connect to */
+  seedlist: HostAddress[];
+  /** initial state */
+  state: string;
+  /** the topology description */
+  description: TopologyDescription;
+  serverSelectionTimeoutMS: number;
+  heartbeatFrequencyMS: number;
+  minHeartbeatFrequencyMS: number;
+  /** A map of server instances to normalized addresses */
+  servers: Map<string, Server>;
+  credentials?: MongoCredentials;
+  clusterTime?: ClusterTime;
+  /** timers created for the initial connect to a server */
+  connectionTimers: TimerQueue;
+
+  /** related to srv polling */
+  srvPoller?: SrvPoller;
+  detectShardedTopology: (event: TopologyDescriptionChangedEvent) => void;
+  detectSrvRecords: (event: SrvPollingEvent) => void;
+}
+
+/** @public */
+export interface TopologyOptions extends BSONSerializeOptions, ServerOptions {
+  srvMaxHosts: number;
+  srvServiceName: string;
+  hosts: HostAddress[];
+  retryWrites: boolean;
+  retryReads: boolean;
+  /** How long to block for server selection before throwing an error */
+  serverSelectionTimeoutMS: number;
+  /** The name of the replica set to connect to */
+  replicaSet?: string;
+  srvHost?: string;
+  /** @internal */
+  srvPoller?: SrvPoller;
+  /** Indicates that a client should directly connect to a node without attempting to discover its topology type */
+  directConnection: boolean;
+  loadBalanced: boolean;
+  metadata: ClientMetadata;
+  /** MongoDB server API version */
+  serverApi?: ServerApi;
+  /** @internal */
+  [featureFlag: symbol]: any;
+}
+
+/** @public */
+export interface ConnectOptions {
+  readPreference?: ReadPreference;
+}
+
+/** @public */
+export interface SelectServerOptions {
+  readPreference?: ReadPreferenceLike;
+  /** How long to block for server selection before throwing an error */
+  serverSelectionTimeoutMS?: number;
+  session?: ClientSession;
+}
+
+/** @public */
+export type TopologyEvents = {
+  /** Top level MongoClient doesn't emit this so it is marked: @internal */
+  connect(topology: Topology): void;
+  serverOpening(event: ServerOpeningEvent): void;
+  serverClosed(event: ServerClosedEvent): void;
+  serverDescriptionChanged(event: ServerDescriptionChangedEvent): void;
+  topologyClosed(event: TopologyClosedEvent): void;
+  topologyOpening(event: TopologyOpeningEvent): void;
+  topologyDescriptionChanged(event: TopologyDescriptionChangedEvent): void;
+  error(error: Error): void;
+  /** @internal */
+  open(topology: Topology): void;
+  close(): void;
+  timeout(): void;
+} & Omit<ServerEvents, 'connect'> &
+  ConnectionPoolEvents &
+  ConnectionEvents &
+  EventEmitterWithState;
+/**
+ * A container of server instances representing a connection to a MongoDB topology.
+ * @internal
+ */
+export class Topology extends TypedEventEmitter<TopologyEvents> {
+  /** @internal */
+  s: TopologyPrivate;
+  /** @internal */
+  [kWaitQueue]: Denque<ServerSelectionRequest>;
+  /** @internal */
+  hello?: Document;
+  /** @internal */
+  _type?: string;
+
+  client!: MongoClient;
+
+  /** @event */
+  static readonly SERVER_OPENING = SERVER_OPENING;
+  /** @event */
+  static readonly SERVER_CLOSED = SERVER_CLOSED;
+  /** @event */
+  static readonly SERVER_DESCRIPTION_CHANGED = SERVER_DESCRIPTION_CHANGED;
+  /** @event */
+  static readonly TOPOLOGY_OPENING = TOPOLOGY_OPENING;
+  /** @event */
+  static readonly TOPOLOGY_CLOSED = TOPOLOGY_CLOSED;
+  /** @event */
+  static readonly TOPOLOGY_DESCRIPTION_CHANGED = TOPOLOGY_DESCRIPTION_CHANGED;
+  /** @event */
+  static readonly ERROR = ERROR;
+  /** @event */
+  static readonly OPEN = OPEN;
+  /** @event */
+  static readonly CONNECT = CONNECT;
+  /** @event */
+  static readonly CLOSE = CLOSE;
+  /** @event */
+  static readonly TIMEOUT = TIMEOUT;
+
+  /**
+   * @internal
+   *
+   * @privateRemarks
+   * mongodb-client-encryption's class ClientEncryption falls back to finding the bson lib
+   * defined on client.topology.bson, in order to maintain compatibility with any version
+   * of mongodb-client-encryption we keep a reference to serialize and deserialize here.
+   */
+  bson: { serialize: typeof serialize; deserialize: typeof deserialize };
+
+  /**
+   * @param seedlist - a list of HostAddress instances to connect to
+   */
+  constructor(seeds: string | string[] | HostAddress | HostAddress[], options: TopologyOptions) {
+    super();
+
+    // Legacy CSFLE support
+    this.bson = Object.create(null);
+    this.bson.serialize = serialize;
+    this.bson.deserialize = deserialize;
+
+    // Options should only be undefined in tests, MongoClient will always have defined options
+    options = options ?? {
+      hosts: [HostAddress.fromString('localhost:27017')],
+      ...Object.fromEntries(DEFAULT_OPTIONS.entries()),
+      ...Object.fromEntries(FEATURE_FLAGS.entries())
+    };
+
+    if (typeof seeds === 'string') {
+      seeds = [HostAddress.fromString(seeds)];
+    } else if (!Array.isArray(seeds)) {
+      seeds = [seeds];
+    }
+
+    const seedlist: HostAddress[] = [];
+    for (const seed of seeds) {
+      if (typeof seed === 'string') {
+        seedlist.push(HostAddress.fromString(seed));
+      } else if (seed instanceof HostAddress) {
+        seedlist.push(seed);
+      } else {
+        // FIXME(NODE-3483): May need to be a MongoParseError
+        throw new MongoRuntimeError(`Topology cannot be constructed from ${JSON.stringify(seed)}`);
+      }
+    }
+
+    const topologyType = topologyTypeFromOptions(options);
+    const topologyId = globalTopologyCounter++;
+
+    const selectedHosts =
+      options.srvMaxHosts == null ||
+      options.srvMaxHosts === 0 ||
+      options.srvMaxHosts >= seedlist.length
+        ? seedlist
+        : shuffle(seedlist, options.srvMaxHosts);
+
+    const serverDescriptions = new Map();
+    for (const hostAddress of selectedHosts) {
+      serverDescriptions.set(hostAddress.toString(), new ServerDescription(hostAddress));
+    }
+
+    this[kWaitQueue] = new Denque();
+    this.s = {
+      // the id of this topology
+      id: topologyId,
+      // passed in options
+      options,
+      // initial seedlist of servers to connect to
+      seedlist,
+      // initial state
+      state: STATE_CLOSED,
+      // the topology description
+      description: new TopologyDescription(
+        topologyType,
+        serverDescriptions,
+        options.replicaSet,
+        undefined,
+        undefined,
+        undefined,
+        options
+      ),
+      serverSelectionTimeoutMS: options.serverSelectionTimeoutMS,
+      heartbeatFrequencyMS: options.heartbeatFrequencyMS,
+      minHeartbeatFrequencyMS: options.minHeartbeatFrequencyMS,
+      // a map of server instances to normalized addresses
+      servers: new Map(),
+      credentials: options?.credentials,
+      clusterTime: undefined,
+
+      // timer management
+      connectionTimers: new Set<NodeJS.Timeout>(),
+      detectShardedTopology: ev => this.detectShardedTopology(ev),
+      detectSrvRecords: ev => this.detectSrvRecords(ev)
+    };
+
+    if (options.srvHost && !options.loadBalanced) {
+      this.s.srvPoller =
+        options.srvPoller ??
+        new SrvPoller({
+          heartbeatFrequencyMS: this.s.heartbeatFrequencyMS,
+          srvHost: options.srvHost,
+          srvMaxHosts: options.srvMaxHosts,
+          srvServiceName: options.srvServiceName
+        });
+
+      this.on(Topology.TOPOLOGY_DESCRIPTION_CHANGED, this.s.detectShardedTopology);
+    }
+  }
+
+  private detectShardedTopology(event: TopologyDescriptionChangedEvent) {
+    const previousType = event.previousDescription.type;
+    const newType = event.newDescription.type;
+
+    const transitionToSharded =
+      previousType !== TopologyType.Sharded && newType === TopologyType.Sharded;
+    const srvListeners = this.s.srvPoller?.listeners(SrvPoller.SRV_RECORD_DISCOVERY);
+    const listeningToSrvPolling = !!srvListeners?.includes(this.s.detectSrvRecords);
+
+    if (transitionToSharded && !listeningToSrvPolling) {
+      this.s.srvPoller?.on(SrvPoller.SRV_RECORD_DISCOVERY, this.s.detectSrvRecords);
+      this.s.srvPoller?.start();
+    }
+  }
+
+  private detectSrvRecords(ev: SrvPollingEvent) {
+    const previousTopologyDescription = this.s.description;
+    this.s.description = this.s.description.updateFromSrvPollingEvent(
+      ev,
+      this.s.options.srvMaxHosts
+    );
+    if (this.s.description === previousTopologyDescription) {
+      // Nothing changed, so return
+      return;
+    }
+
+    updateServers(this);
+
+    this.emit(
+      Topology.TOPOLOGY_DESCRIPTION_CHANGED,
+      new TopologyDescriptionChangedEvent(
+        this.s.id,
+        previousTopologyDescription,
+        this.s.description
+      )
+    );
+  }
+
+  /**
+   * @returns A `TopologyDescription` for this topology
+   */
+  get description(): TopologyDescription {
+    return this.s.description;
+  }
+
+  get loadBalanced(): boolean {
+    return this.s.options.loadBalanced;
+  }
+
+  get capabilities(): ServerCapabilities {
+    return new ServerCapabilities(this.lastHello());
+  }
+
+  /** Initiate server connect */
+  connect(callback: Callback): void;
+  connect(options: ConnectOptions, callback: Callback): void;
+  connect(options?: ConnectOptions | Callback, callback?: Callback): void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+    if (this.s.state === STATE_CONNECTED) {
+      if (typeof callback === 'function') {
+        callback();
+      }
+
+      return;
+    }
+
+    stateTransition(this, STATE_CONNECTING);
+
+    // emit SDAM monitoring events
+    this.emit(Topology.TOPOLOGY_OPENING, new TopologyOpeningEvent(this.s.id));
+
+    // emit an event for the topology change
+    this.emit(
+      Topology.TOPOLOGY_DESCRIPTION_CHANGED,
+      new TopologyDescriptionChangedEvent(
+        this.s.id,
+        new TopologyDescription(TopologyType.Unknown), // initial is always Unknown
+        this.s.description
+      )
+    );
+
+    // connect all known servers, then attempt server selection to connect
+    const serverDescriptions = Array.from(this.s.description.servers.values());
+    this.s.servers = new Map(
+      serverDescriptions.map(serverDescription => [
+        serverDescription.address,
+        createAndConnectServer(this, serverDescription)
+      ])
+    );
+
+    // In load balancer mode we need to fake a server description getting
+    // emitted from the monitor, since the monitor doesn't exist.
+    if (this.s.options.loadBalanced) {
+      for (const description of serverDescriptions) {
+        const newDescription = new ServerDescription(description.hostAddress, undefined, {
+          loadBalanced: this.s.options.loadBalanced
+        });
+        this.serverUpdateHandler(newDescription);
+      }
+    }
+
+    const exitWithError = (error: Error) =>
+      callback ? callback(error) : this.emit(Topology.ERROR, error);
+
+    const readPreference = options.readPreference ?? ReadPreference.primary;
+    this.selectServer(readPreferenceServerSelector(readPreference), options, (err, server) => {
+      if (err) {
+        return this.close({ force: false }, () => exitWithError(err));
+      }
+
+      // TODO: NODE-2471
+      const skipPingOnConnect = this.s.options[Symbol.for('@@mdb.skipPingOnConnect')] === true;
+      if (!skipPingOnConnect && server && this.s.credentials) {
+        server.command(ns('admin.$cmd'), { ping: 1 }, {}, err => {
+          if (err) {
+            return exitWithError(err);
+          }
+
+          stateTransition(this, STATE_CONNECTED);
+          this.emit(Topology.OPEN, this);
+          this.emit(Topology.CONNECT, this);
+
+          callback?.(undefined, this);
+        });
+
+        return;
+      }
+
+      stateTransition(this, STATE_CONNECTED);
+      this.emit(Topology.OPEN, this);
+      this.emit(Topology.CONNECT, this);
+
+      callback?.(undefined, this);
+    });
+  }
+
+  /** Close this topology */
+  close(callback: Callback): void;
+  close(options: CloseOptions): void;
+  close(options: CloseOptions, callback: Callback): void;
+  close(options?: CloseOptions | Callback, callback?: Callback): void {
+    if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    if (typeof options === 'boolean') {
+      options = { force: options };
+    }
+    options = options ?? {};
+
+    if (this.s.state === STATE_CLOSED || this.s.state === STATE_CLOSING) {
+      return callback?.();
+    }
+
+    const destroyedServers = Array.from(this.s.servers.values(), server => {
+      return promisify(destroyServer)(server, this, options as CloseOptions);
+    });
+
+    Promise.all(destroyedServers)
+      .then(() => {
+        this.s.servers.clear();
+
+        stateTransition(this, STATE_CLOSING);
+
+        drainWaitQueue(this[kWaitQueue], new MongoTopologyClosedError());
+        drainTimerQueue(this.s.connectionTimers);
+
+        if (this.s.srvPoller) {
+          this.s.srvPoller.stop();
+          this.s.srvPoller.removeListener(SrvPoller.SRV_RECORD_DISCOVERY, this.s.detectSrvRecords);
+        }
+
+        this.removeListener(Topology.TOPOLOGY_DESCRIPTION_CHANGED, this.s.detectShardedTopology);
+
+        stateTransition(this, STATE_CLOSED);
+
+        // emit an event for close
+        this.emit(Topology.TOPOLOGY_CLOSED, new TopologyClosedEvent(this.s.id));
+      })
+      .finally(() => callback?.());
+  }
+
+  /**
+   * Selects a server according to the selection predicate provided
+   *
+   * @param selector - An optional selector to select servers by, defaults to a random selection within a latency window
+   * @param options - Optional settings related to server selection
+   * @param callback - The callback used to indicate success or failure
+   * @returns An instance of a `Server` meeting the criteria of the predicate provided
+   */
+  selectServer(
+    selector: string | ReadPreference | ServerSelector,
+    options: SelectServerOptions,
+    callback: Callback<Server>
+  ): void {
+    let serverSelector;
+    if (typeof selector !== 'function') {
+      if (typeof selector === 'string') {
+        serverSelector = readPreferenceServerSelector(ReadPreference.fromString(selector));
+      } else {
+        let readPreference;
+        if (selector instanceof ReadPreference) {
+          readPreference = selector;
+        } else {
+          ReadPreference.translate(options);
+          readPreference = options.readPreference || ReadPreference.primary;
+        }
+
+        serverSelector = readPreferenceServerSelector(readPreference as ReadPreference);
+      }
+    } else {
+      serverSelector = selector;
+    }
+
+    options = Object.assign(
+      {},
+      { serverSelectionTimeoutMS: this.s.serverSelectionTimeoutMS },
+      options
+    );
+
+    const isSharded = this.description.type === TopologyType.Sharded;
+    const session = options.session;
+    const transaction = session && session.transaction;
+
+    if (isSharded && transaction && transaction.server) {
+      callback(undefined, transaction.server);
+      return;
+    }
+
+    const waitQueueMember: ServerSelectionRequest = {
+      serverSelector,
+      transaction,
+      callback
+    };
+
+    const serverSelectionTimeoutMS = options.serverSelectionTimeoutMS;
+    if (serverSelectionTimeoutMS) {
+      waitQueueMember.timer = setTimeout(() => {
+        waitQueueMember[kCancelled] = true;
+        waitQueueMember.timer = undefined;
+        const timeoutError = new MongoServerSelectionError(
+          `Server selection timed out after ${serverSelectionTimeoutMS} ms`,
+          this.description
+        );
+
+        waitQueueMember.callback(timeoutError);
+      }, serverSelectionTimeoutMS);
+    }
+
+    this[kWaitQueue].push(waitQueueMember);
+    processWaitQueue(this);
+  }
+
+  // Sessions related methods
+
+  /**
+   * @returns Whether the topology should initiate selection to determine session support
+   */
+  shouldCheckForSessionSupport(): boolean {
+    if (this.description.type === TopologyType.Single) {
+      return !this.description.hasKnownServers;
+    }
+
+    return !this.description.hasDataBearingServers;
+  }
+
+  /**
+   * @returns Whether sessions are supported on the current topology
+   */
+  hasSessionSupport(): boolean {
+    return this.loadBalanced || this.description.logicalSessionTimeoutMinutes != null;
+  }
+
+  /**
+   * Update the internal TopologyDescription with a ServerDescription
+   *
+   * @param serverDescription - The server to update in the internal list of server descriptions
+   */
+  serverUpdateHandler(serverDescription: ServerDescription): void {
+    if (!this.s.description.hasServer(serverDescription.address)) {
+      return;
+    }
+
+    // ignore this server update if its from an outdated topologyVersion
+    if (isStaleServerDescription(this.s.description, serverDescription)) {
+      return;
+    }
+
+    // these will be used for monitoring events later
+    const previousTopologyDescription = this.s.description;
+    const previousServerDescription = this.s.description.servers.get(serverDescription.address);
+    if (!previousServerDescription) {
+      return;
+    }
+
+    // Driver Sessions Spec: "Whenever a driver receives a cluster time from
+    // a server it MUST compare it to the current highest seen cluster time
+    // for the deployment. If the new cluster time is higher than the
+    // highest seen cluster time it MUST become the new highest seen cluster
+    // time. Two cluster times are compared using only the BsonTimestamp
+    // value of the clusterTime embedded field."
+    const clusterTime = serverDescription.$clusterTime;
+    if (clusterTime) {
+      _advanceClusterTime(this, clusterTime);
+    }
+
+    // If we already know all the information contained in this updated description, then
+    // we don't need to emit SDAM events, but still need to update the description, in order
+    // to keep client-tracked attributes like last update time and round trip time up to date
+    const equalDescriptions =
+      previousServerDescription && previousServerDescription.equals(serverDescription);
+
+    // first update the TopologyDescription
+    this.s.description = this.s.description.update(serverDescription);
+    if (this.s.description.compatibilityError) {
+      this.emit(Topology.ERROR, new MongoCompatibilityError(this.s.description.compatibilityError));
+      return;
+    }
+
+    // emit monitoring events for this change
+    if (!equalDescriptions) {
+      const newDescription = this.s.description.servers.get(serverDescription.address);
+      if (newDescription) {
+        this.emit(
+          Topology.SERVER_DESCRIPTION_CHANGED,
+          new ServerDescriptionChangedEvent(
+            this.s.id,
+            serverDescription.address,
+            previousServerDescription,
+            newDescription
+          )
+        );
+      }
+    }
+
+    // update server list from updated descriptions
+    updateServers(this, serverDescription);
+
+    // attempt to resolve any outstanding server selection attempts
+    if (this[kWaitQueue].length > 0) {
+      processWaitQueue(this);
+    }
+
+    if (!equalDescriptions) {
+      this.emit(
+        Topology.TOPOLOGY_DESCRIPTION_CHANGED,
+        new TopologyDescriptionChangedEvent(
+          this.s.id,
+          previousTopologyDescription,
+          this.s.description
+        )
+      );
+    }
+  }
+
+  auth(credentials?: MongoCredentials, callback?: Callback): void {
+    if (typeof credentials === 'function') (callback = credentials), (credentials = undefined);
+    if (typeof callback === 'function') callback(undefined, true);
+  }
+
+  get clientMetadata(): ClientMetadata {
+    return this.s.options.metadata;
+  }
+
+  isConnected(): boolean {
+    return this.s.state === STATE_CONNECTED;
+  }
+
+  isDestroyed(): boolean {
+    return this.s.state === STATE_CLOSED;
+  }
+
+  /**
+   * @deprecated This function is deprecated and will be removed in the next major version.
+   */
+  unref(): void {
+    emitWarning('`unref` is a noop and will be removed in the next major version');
+  }
+
+  // NOTE: There are many places in code where we explicitly check the last hello
+  //       to do feature support detection. This should be done any other way, but for
+  //       now we will just return the first hello seen, which should suffice.
+  lastHello(): Document {
+    const serverDescriptions = Array.from(this.description.servers.values());
+    if (serverDescriptions.length === 0) return {};
+    const sd = serverDescriptions.filter(
+      (sd: ServerDescription) => sd.type !== ServerType.Unknown
+    )[0];
+
+    const result = sd || { maxWireVersion: this.description.commonWireVersion };
+    return result;
+  }
+
+  get commonWireVersion(): number | undefined {
+    return this.description.commonWireVersion;
+  }
+
+  get logicalSessionTimeoutMinutes(): number | null {
+    return this.description.logicalSessionTimeoutMinutes;
+  }
+
+  get clusterTime(): ClusterTime | undefined {
+    return this.s.clusterTime;
+  }
+
+  set clusterTime(clusterTime: ClusterTime | undefined) {
+    this.s.clusterTime = clusterTime;
+  }
+}
+
+/** Destroys a server, and removes all event listeners from the instance */
+function destroyServer(
+  server: Server,
+  topology: Topology,
+  options?: DestroyOptions,
+  callback?: Callback
+) {
+  options = options ?? {};
+  for (const event of LOCAL_SERVER_EVENTS) {
+    server.removeAllListeners(event);
+  }
+
+  server.destroy(options, () => {
+    topology.emit(
+      Topology.SERVER_CLOSED,
+      new ServerClosedEvent(topology.s.id, server.description.address)
+    );
+
+    for (const event of SERVER_RELAY_EVENTS) {
+      server.removeAllListeners(event);
+    }
+    if (typeof callback === 'function') {
+      callback();
+    }
+  });
+}
+
+/** Predicts the TopologyType from options */
+function topologyTypeFromOptions(options?: TopologyOptions) {
+  if (options?.directConnection) {
+    return TopologyType.Single;
+  }
+
+  if (options?.replicaSet) {
+    return TopologyType.ReplicaSetNoPrimary;
+  }
+
+  if (options?.loadBalanced) {
+    return TopologyType.LoadBalanced;
+  }
+
+  return TopologyType.Unknown;
+}
+
+/**
+ * Creates new server instances and attempts to connect them
+ *
+ * @param topology - The topology that this server belongs to
+ * @param serverDescription - The description for the server to initialize and connect to
+ */
+function createAndConnectServer(topology: Topology, serverDescription: ServerDescription) {
+  topology.emit(
+    Topology.SERVER_OPENING,
+    new ServerOpeningEvent(topology.s.id, serverDescription.address)
+  );
+
+  const server = new Server(topology, serverDescription, topology.s.options);
+  for (const event of SERVER_RELAY_EVENTS) {
+    server.on(event, (e: any) => topology.emit(event, e));
+  }
+
+  server.on(Server.DESCRIPTION_RECEIVED, description => topology.serverUpdateHandler(description));
+
+  server.connect();
+  return server;
+}
+
+/**
+ * @param topology - Topology to update.
+ * @param incomingServerDescription - New server description.
+ */
+function updateServers(topology: Topology, incomingServerDescription?: ServerDescription) {
+  // update the internal server's description
+  if (incomingServerDescription && topology.s.servers.has(incomingServerDescription.address)) {
+    const server = topology.s.servers.get(incomingServerDescription.address);
+    if (server) {
+      server.s.description = incomingServerDescription;
+      if (
+        incomingServerDescription.error instanceof MongoError &&
+        incomingServerDescription.error.hasErrorLabel(MongoErrorLabel.ResetPool)
+      ) {
+        server.s.pool.clear();
+      } else if (incomingServerDescription.error == null) {
+        const newTopologyType = topology.s.description.type;
+        const shouldMarkPoolReady =
+          incomingServerDescription.isDataBearing ||
+          (incomingServerDescription.type !== ServerType.Unknown &&
+            newTopologyType === TopologyType.Single);
+        if (shouldMarkPoolReady) {
+          server.s.pool.ready();
+        }
+      }
+    }
+  }
+
+  // add new servers for all descriptions we currently don't know about locally
+  for (const serverDescription of topology.description.servers.values()) {
+    if (!topology.s.servers.has(serverDescription.address)) {
+      const server = createAndConnectServer(topology, serverDescription);
+      topology.s.servers.set(serverDescription.address, server);
+    }
+  }
+
+  // for all servers no longer known, remove their descriptions and destroy their instances
+  for (const entry of topology.s.servers) {
+    const serverAddress = entry[0];
+    if (topology.description.hasServer(serverAddress)) {
+      continue;
+    }
+
+    if (!topology.s.servers.has(serverAddress)) {
+      continue;
+    }
+
+    const server = topology.s.servers.get(serverAddress);
+    topology.s.servers.delete(serverAddress);
+
+    // prepare server for garbage collection
+    if (server) {
+      destroyServer(server, topology);
+    }
+  }
+}
+
+function drainWaitQueue(queue: Denque<ServerSelectionRequest>, err?: MongoDriverError) {
+  while (queue.length) {
+    const waitQueueMember = queue.shift();
+    if (!waitQueueMember) {
+      continue;
+    }
+
+    if (waitQueueMember.timer) {
+      clearTimeout(waitQueueMember.timer);
+    }
+
+    if (!waitQueueMember[kCancelled]) {
+      waitQueueMember.callback(err);
+    }
+  }
+}
+
+function processWaitQueue(topology: Topology) {
+  if (topology.s.state === STATE_CLOSED) {
+    drainWaitQueue(topology[kWaitQueue], new MongoTopologyClosedError());
+    return;
+  }
+
+  const isSharded = topology.description.type === TopologyType.Sharded;
+  const serverDescriptions = Array.from(topology.description.servers.values());
+  const membersToProcess = topology[kWaitQueue].length;
+  for (let i = 0; i < membersToProcess; ++i) {
+    const waitQueueMember = topology[kWaitQueue].shift();
+    if (!waitQueueMember) {
+      continue;
+    }
+
+    if (waitQueueMember[kCancelled]) {
+      continue;
+    }
+
+    let selectedDescriptions;
+    try {
+      const serverSelector = waitQueueMember.serverSelector;
+      selectedDescriptions = serverSelector
+        ? serverSelector(topology.description, serverDescriptions)
+        : serverDescriptions;
+    } catch (e) {
+      if (waitQueueMember.timer) {
+        clearTimeout(waitQueueMember.timer);
+      }
+
+      waitQueueMember.callback(e);
+      continue;
+    }
+
+    let selectedServer;
+    if (selectedDescriptions.length === 0) {
+      topology[kWaitQueue].push(waitQueueMember);
+      continue;
+    } else if (selectedDescriptions.length === 1) {
+      selectedServer = topology.s.servers.get(selectedDescriptions[0].address);
+    } else {
+      const descriptions = shuffle(selectedDescriptions, 2);
+      const server1 = topology.s.servers.get(descriptions[0].address);
+      const server2 = topology.s.servers.get(descriptions[1].address);
+
+      selectedServer =
+        server1 && server2 && server1.s.operationCount < server2.s.operationCount
+          ? server1
+          : server2;
+    }
+
+    if (!selectedServer) {
+      waitQueueMember.callback(
+        new MongoServerSelectionError(
+          'server selection returned a server description but the server was not found in the topology',
+          topology.description
+        )
+      );
+      return;
+    }
+    const transaction = waitQueueMember.transaction;
+    if (isSharded && transaction && transaction.isActive && selectedServer) {
+      transaction.pinServer(selectedServer);
+    }
+
+    if (waitQueueMember.timer) {
+      clearTimeout(waitQueueMember.timer);
+    }
+
+    waitQueueMember.callback(undefined, selectedServer);
+  }
+
+  if (topology[kWaitQueue].length > 0) {
+    // ensure all server monitors attempt monitoring soon
+    for (const [, server] of topology.s.servers) {
+      process.nextTick(function scheduleServerCheck() {
+        return server.requestCheck();
+      });
+    }
+  }
+}
+
+function isStaleServerDescription(
+  topologyDescription: TopologyDescription,
+  incomingServerDescription: ServerDescription
+) {
+  const currentServerDescription = topologyDescription.servers.get(
+    incomingServerDescription.address
+  );
+  const currentTopologyVersion = currentServerDescription?.topologyVersion;
+  return (
+    compareTopologyVersion(currentTopologyVersion, incomingServerDescription.topologyVersion) > 0
+  );
+}
+
+/** @public */
+export class ServerCapabilities {
+  maxWireVersion: number;
+  minWireVersion: number;
+
+  constructor(hello: Document) {
+    this.minWireVersion = hello.minWireVersion || 0;
+    this.maxWireVersion = hello.maxWireVersion || 0;
+  }
+
+  get hasAggregationCursor(): boolean {
+    return this.maxWireVersion >= 1;
+  }
+
+  get hasWriteCommands(): boolean {
+    return this.maxWireVersion >= 2;
+  }
+  get hasTextSearch(): boolean {
+    return this.minWireVersion >= 0;
+  }
+
+  get hasAuthCommands(): boolean {
+    return this.maxWireVersion >= 1;
+  }
+
+  get hasListCollectionsCommand(): boolean {
+    return this.maxWireVersion >= 3;
+  }
+
+  get hasListIndexesCommand(): boolean {
+    return this.maxWireVersion >= 3;
+  }
+
+  get supportsSnapshotReads(): boolean {
+    return this.maxWireVersion >= 13;
+  }
+
+  get commandsTakeWriteConcern(): boolean {
+    return this.maxWireVersion >= 5;
+  }
+
+  get commandsTakeCollation(): boolean {
+    return this.maxWireVersion >= 5;
+  }
+}
diff --git a/node_modules/mongodb/src/sdam/topology_description.ts b/node_modules/mongodb/src/sdam/topology_description.ts
new file mode 100644
index 000000000..972680afd
--- /dev/null
+++ b/node_modules/mongodb/src/sdam/topology_description.ts
@@ -0,0 +1,486 @@
+import type { ObjectId } from '../bson';
+import * as WIRE_CONSTANTS from '../cmap/wire_protocol/constants';
+import { MongoRuntimeError, MongoServerError } from '../error';
+import { compareObjectId, shuffle } from '../utils';
+import { ServerType, TopologyType } from './common';
+import { ServerDescription } from './server_description';
+import type { SrvPollingEvent } from './srv_polling';
+
+// constants related to compatibility checks
+const MIN_SUPPORTED_SERVER_VERSION = WIRE_CONSTANTS.MIN_SUPPORTED_SERVER_VERSION;
+const MAX_SUPPORTED_SERVER_VERSION = WIRE_CONSTANTS.MAX_SUPPORTED_SERVER_VERSION;
+const MIN_SUPPORTED_WIRE_VERSION = WIRE_CONSTANTS.MIN_SUPPORTED_WIRE_VERSION;
+const MAX_SUPPORTED_WIRE_VERSION = WIRE_CONSTANTS.MAX_SUPPORTED_WIRE_VERSION;
+
+const MONGOS_OR_UNKNOWN = new Set<ServerType>([ServerType.Mongos, ServerType.Unknown]);
+const MONGOS_OR_STANDALONE = new Set<ServerType>([ServerType.Mongos, ServerType.Standalone]);
+const NON_PRIMARY_RS_MEMBERS = new Set<ServerType>([
+  ServerType.RSSecondary,
+  ServerType.RSArbiter,
+  ServerType.RSOther
+]);
+
+/** @public */
+export interface TopologyDescriptionOptions {
+  heartbeatFrequencyMS?: number;
+  localThresholdMS?: number;
+}
+
+/**
+ * Representation of a deployment of servers
+ * @public
+ */
+export class TopologyDescription {
+  type: TopologyType;
+  setName: string | null;
+  maxSetVersion: number | null;
+  maxElectionId: ObjectId | null;
+  servers: Map<string, ServerDescription>;
+  stale: boolean;
+  compatible: boolean;
+  compatibilityError?: string;
+  logicalSessionTimeoutMinutes: number | null;
+  heartbeatFrequencyMS: number;
+  localThresholdMS: number;
+  commonWireVersion: number;
+
+  /**
+   * Create a TopologyDescription
+   */
+  constructor(
+    topologyType: TopologyType,
+    serverDescriptions: Map<string, ServerDescription> | null = null,
+    setName: string | null = null,
+    maxSetVersion: number | null = null,
+    maxElectionId: ObjectId | null = null,
+    commonWireVersion: number | null = null,
+    options: TopologyDescriptionOptions | null = null
+  ) {
+    options = options ?? {};
+
+    this.type = topologyType ?? TopologyType.Unknown;
+    this.servers = serverDescriptions ?? new Map();
+    this.stale = false;
+    this.compatible = true;
+    this.heartbeatFrequencyMS = options.heartbeatFrequencyMS ?? 0;
+    this.localThresholdMS = options.localThresholdMS ?? 15;
+    this.setName = setName ?? null;
+    this.maxElectionId = maxElectionId ?? null;
+    this.maxSetVersion = maxSetVersion ?? null;
+    this.commonWireVersion = commonWireVersion ?? 0;
+
+    // determine server compatibility
+    for (const serverDescription of this.servers.values()) {
+      // Load balancer mode is always compatible.
+      if (
+        serverDescription.type === ServerType.Unknown ||
+        serverDescription.type === ServerType.LoadBalancer
+      ) {
+        continue;
+      }
+
+      if (serverDescription.minWireVersion > MAX_SUPPORTED_WIRE_VERSION) {
+        this.compatible = false;
+        this.compatibilityError = `Server at ${serverDescription.address} requires wire version ${serverDescription.minWireVersion}, but this version of the driver only supports up to ${MAX_SUPPORTED_WIRE_VERSION} (MongoDB ${MAX_SUPPORTED_SERVER_VERSION})`;
+      }
+
+      if (serverDescription.maxWireVersion < MIN_SUPPORTED_WIRE_VERSION) {
+        this.compatible = false;
+        this.compatibilityError = `Server at ${serverDescription.address} reports wire version ${serverDescription.maxWireVersion}, but this version of the driver requires at least ${MIN_SUPPORTED_WIRE_VERSION} (MongoDB ${MIN_SUPPORTED_SERVER_VERSION}).`;
+        break;
+      }
+    }
+
+    // Whenever a client updates the TopologyDescription from a hello response, it MUST set
+    // TopologyDescription.logicalSessionTimeoutMinutes to the smallest logicalSessionTimeoutMinutes
+    // value among ServerDescriptions of all data-bearing server types. If any have a null
+    // logicalSessionTimeoutMinutes, then TopologyDescription.logicalSessionTimeoutMinutes MUST be
+    // set to null.
+    this.logicalSessionTimeoutMinutes = null;
+    for (const [, server] of this.servers) {
+      if (server.isReadable) {
+        if (server.logicalSessionTimeoutMinutes == null) {
+          // If any of the servers have a null logicalSessionsTimeout, then the whole topology does
+          this.logicalSessionTimeoutMinutes = null;
+          break;
+        }
+
+        if (this.logicalSessionTimeoutMinutes == null) {
+          // First server with a non null logicalSessionsTimeout
+          this.logicalSessionTimeoutMinutes = server.logicalSessionTimeoutMinutes;
+          continue;
+        }
+
+        // Always select the smaller of the:
+        // current server logicalSessionsTimeout and the topologies logicalSessionsTimeout
+        this.logicalSessionTimeoutMinutes = Math.min(
+          this.logicalSessionTimeoutMinutes,
+          server.logicalSessionTimeoutMinutes
+        );
+      }
+    }
+  }
+
+  /**
+   * Returns a new TopologyDescription based on the SrvPollingEvent
+   * @internal
+   */
+  updateFromSrvPollingEvent(ev: SrvPollingEvent, srvMaxHosts = 0): TopologyDescription {
+    /** The SRV addresses defines the set of addresses we should be using */
+    const incomingHostnames = ev.hostnames();
+    const currentHostnames = new Set(this.servers.keys());
+
+    const hostnamesToAdd = new Set<string>(incomingHostnames);
+    const hostnamesToRemove = new Set<string>();
+    for (const hostname of currentHostnames) {
+      // filter hostnamesToAdd (made from incomingHostnames) down to what is *not* present in currentHostnames
+      hostnamesToAdd.delete(hostname);
+      if (!incomingHostnames.has(hostname)) {
+        // If the SRV Records no longer include this hostname
+        // we have to stop using it
+        hostnamesToRemove.add(hostname);
+      }
+    }
+
+    if (hostnamesToAdd.size === 0 && hostnamesToRemove.size === 0) {
+      // No new hosts to add and none to remove
+      return this;
+    }
+
+    const serverDescriptions = new Map(this.servers);
+    for (const removedHost of hostnamesToRemove) {
+      serverDescriptions.delete(removedHost);
+    }
+
+    if (hostnamesToAdd.size > 0) {
+      if (srvMaxHosts === 0) {
+        // Add all!
+        for (const hostToAdd of hostnamesToAdd) {
+          serverDescriptions.set(hostToAdd, new ServerDescription(hostToAdd));
+        }
+      } else if (serverDescriptions.size < srvMaxHosts) {
+        // Add only the amount needed to get us back to srvMaxHosts
+        const selectedHosts = shuffle(hostnamesToAdd, srvMaxHosts - serverDescriptions.size);
+        for (const selectedHostToAdd of selectedHosts) {
+          serverDescriptions.set(selectedHostToAdd, new ServerDescription(selectedHostToAdd));
+        }
+      }
+    }
+
+    return new TopologyDescription(
+      this.type,
+      serverDescriptions,
+      this.setName,
+      this.maxSetVersion,
+      this.maxElectionId,
+      this.commonWireVersion,
+      { heartbeatFrequencyMS: this.heartbeatFrequencyMS, localThresholdMS: this.localThresholdMS }
+    );
+  }
+
+  /**
+   * Returns a copy of this description updated with a given ServerDescription
+   * @internal
+   */
+  update(serverDescription: ServerDescription): TopologyDescription {
+    const address = serverDescription.address;
+
+    // potentially mutated values
+    let { type: topologyType, setName, maxSetVersion, maxElectionId, commonWireVersion } = this;
+
+    const serverType = serverDescription.type;
+    const serverDescriptions = new Map(this.servers);
+
+    // update common wire version
+    if (serverDescription.maxWireVersion !== 0) {
+      if (commonWireVersion == null) {
+        commonWireVersion = serverDescription.maxWireVersion;
+      } else {
+        commonWireVersion = Math.min(commonWireVersion, serverDescription.maxWireVersion);
+      }
+    }
+
+    if (
+      typeof serverDescription.setName === 'string' &&
+      typeof setName === 'string' &&
+      serverDescription.setName !== setName
+    ) {
+      if (topologyType === TopologyType.Single) {
+        // "Single" Topology with setName mismatch is direct connection usage, mark unknown do not remove
+        serverDescription = new ServerDescription(address);
+      } else {
+        serverDescriptions.delete(address);
+      }
+    }
+
+    // update the actual server description
+    serverDescriptions.set(address, serverDescription);
+
+    if (topologyType === TopologyType.Single) {
+      // once we are defined as single, that never changes
+      return new TopologyDescription(
+        TopologyType.Single,
+        serverDescriptions,
+        setName,
+        maxSetVersion,
+        maxElectionId,
+        commonWireVersion,
+        { heartbeatFrequencyMS: this.heartbeatFrequencyMS, localThresholdMS: this.localThresholdMS }
+      );
+    }
+
+    if (topologyType === TopologyType.Unknown) {
+      if (serverType === ServerType.Standalone && this.servers.size !== 1) {
+        serverDescriptions.delete(address);
+      } else {
+        topologyType = topologyTypeForServerType(serverType);
+      }
+    }
+
+    if (topologyType === TopologyType.Sharded) {
+      if (!MONGOS_OR_UNKNOWN.has(serverType)) {
+        serverDescriptions.delete(address);
+      }
+    }
+
+    if (topologyType === TopologyType.ReplicaSetNoPrimary) {
+      if (MONGOS_OR_STANDALONE.has(serverType)) {
+        serverDescriptions.delete(address);
+      }
+
+      if (serverType === ServerType.RSPrimary) {
+        const result = updateRsFromPrimary(
+          serverDescriptions,
+          serverDescription,
+          setName,
+          maxSetVersion,
+          maxElectionId
+        );
+
+        topologyType = result[0];
+        setName = result[1];
+        maxSetVersion = result[2];
+        maxElectionId = result[3];
+      } else if (NON_PRIMARY_RS_MEMBERS.has(serverType)) {
+        const result = updateRsNoPrimaryFromMember(serverDescriptions, serverDescription, setName);
+        topologyType = result[0];
+        setName = result[1];
+      }
+    }
+
+    if (topologyType === TopologyType.ReplicaSetWithPrimary) {
+      if (MONGOS_OR_STANDALONE.has(serverType)) {
+        serverDescriptions.delete(address);
+        topologyType = checkHasPrimary(serverDescriptions);
+      } else if (serverType === ServerType.RSPrimary) {
+        const result = updateRsFromPrimary(
+          serverDescriptions,
+          serverDescription,
+          setName,
+          maxSetVersion,
+          maxElectionId
+        );
+
+        topologyType = result[0];
+        setName = result[1];
+        maxSetVersion = result[2];
+        maxElectionId = result[3];
+      } else if (NON_PRIMARY_RS_MEMBERS.has(serverType)) {
+        topologyType = updateRsWithPrimaryFromMember(
+          serverDescriptions,
+          serverDescription,
+          setName
+        );
+      } else {
+        topologyType = checkHasPrimary(serverDescriptions);
+      }
+    }
+
+    return new TopologyDescription(
+      topologyType,
+      serverDescriptions,
+      setName,
+      maxSetVersion,
+      maxElectionId,
+      commonWireVersion,
+      { heartbeatFrequencyMS: this.heartbeatFrequencyMS, localThresholdMS: this.localThresholdMS }
+    );
+  }
+
+  get error(): MongoServerError | null {
+    const descriptionsWithError = Array.from(this.servers.values()).filter(
+      (sd: ServerDescription) => sd.error
+    );
+
+    if (descriptionsWithError.length > 0) {
+      return descriptionsWithError[0].error;
+    }
+
+    return null;
+  }
+
+  /**
+   * Determines if the topology description has any known servers
+   */
+  get hasKnownServers(): boolean {
+    return Array.from(this.servers.values()).some(
+      (sd: ServerDescription) => sd.type !== ServerType.Unknown
+    );
+  }
+
+  /**
+   * Determines if this topology description has a data-bearing server available.
+   */
+  get hasDataBearingServers(): boolean {
+    return Array.from(this.servers.values()).some((sd: ServerDescription) => sd.isDataBearing);
+  }
+
+  /**
+   * Determines if the topology has a definition for the provided address
+   * @internal
+   */
+  hasServer(address: string): boolean {
+    return this.servers.has(address);
+  }
+}
+
+function topologyTypeForServerType(serverType: ServerType): TopologyType {
+  switch (serverType) {
+    case ServerType.Standalone:
+      return TopologyType.Single;
+    case ServerType.Mongos:
+      return TopologyType.Sharded;
+    case ServerType.RSPrimary:
+      return TopologyType.ReplicaSetWithPrimary;
+    case ServerType.RSOther:
+    case ServerType.RSSecondary:
+      return TopologyType.ReplicaSetNoPrimary;
+    default:
+      return TopologyType.Unknown;
+  }
+}
+
+function updateRsFromPrimary(
+  serverDescriptions: Map<string, ServerDescription>,
+  serverDescription: ServerDescription,
+  setName: string | null = null,
+  maxSetVersion: number | null = null,
+  maxElectionId: ObjectId | null = null
+): [TopologyType, string | null, number | null, ObjectId | null] {
+  setName = setName || serverDescription.setName;
+  if (setName !== serverDescription.setName) {
+    serverDescriptions.delete(serverDescription.address);
+    return [checkHasPrimary(serverDescriptions), setName, maxSetVersion, maxElectionId];
+  }
+
+  const electionId = serverDescription.electionId ? serverDescription.electionId : null;
+  if (serverDescription.setVersion && electionId) {
+    if (maxSetVersion && maxElectionId) {
+      if (
+        maxSetVersion > serverDescription.setVersion ||
+        compareObjectId(maxElectionId, electionId) > 0
+      ) {
+        // this primary is stale, we must remove it
+        serverDescriptions.set(
+          serverDescription.address,
+          new ServerDescription(serverDescription.address)
+        );
+
+        return [checkHasPrimary(serverDescriptions), setName, maxSetVersion, maxElectionId];
+      }
+    }
+
+    maxElectionId = serverDescription.electionId;
+  }
+
+  if (
+    serverDescription.setVersion != null &&
+    (maxSetVersion == null || serverDescription.setVersion > maxSetVersion)
+  ) {
+    maxSetVersion = serverDescription.setVersion;
+  }
+
+  // We've heard from the primary. Is it the same primary as before?
+  for (const [address, server] of serverDescriptions) {
+    if (server.type === ServerType.RSPrimary && server.address !== serverDescription.address) {
+      // Reset old primary's type to Unknown.
+      serverDescriptions.set(address, new ServerDescription(server.address));
+
+      // There can only be one primary
+      break;
+    }
+  }
+
+  // Discover new hosts from this primary's response.
+  serverDescription.allHosts.forEach((address: string) => {
+    if (!serverDescriptions.has(address)) {
+      serverDescriptions.set(address, new ServerDescription(address));
+    }
+  });
+
+  // Remove hosts not in the response.
+  const currentAddresses = Array.from(serverDescriptions.keys());
+  const responseAddresses = serverDescription.allHosts;
+  currentAddresses
+    .filter((addr: string) => responseAddresses.indexOf(addr) === -1)
+    .forEach((address: string) => {
+      serverDescriptions.delete(address);
+    });
+
+  return [checkHasPrimary(serverDescriptions), setName, maxSetVersion, maxElectionId];
+}
+
+function updateRsWithPrimaryFromMember(
+  serverDescriptions: Map<string, ServerDescription>,
+  serverDescription: ServerDescription,
+  setName: string | null = null
+): TopologyType {
+  if (setName == null) {
+    // TODO(NODE-3483): should be an appropriate runtime error
+    throw new MongoRuntimeError('Argument "setName" is required if connected to a replica set');
+  }
+
+  if (
+    setName !== serverDescription.setName ||
+    (serverDescription.me && serverDescription.address !== serverDescription.me)
+  ) {
+    serverDescriptions.delete(serverDescription.address);
+  }
+
+  return checkHasPrimary(serverDescriptions);
+}
+
+function updateRsNoPrimaryFromMember(
+  serverDescriptions: Map<string, ServerDescription>,
+  serverDescription: ServerDescription,
+  setName: string | null = null
+): [TopologyType, string | null] {
+  const topologyType = TopologyType.ReplicaSetNoPrimary;
+  setName = setName ?? serverDescription.setName;
+  if (setName !== serverDescription.setName) {
+    serverDescriptions.delete(serverDescription.address);
+    return [topologyType, setName];
+  }
+
+  serverDescription.allHosts.forEach((address: string) => {
+    if (!serverDescriptions.has(address)) {
+      serverDescriptions.set(address, new ServerDescription(address));
+    }
+  });
+
+  if (serverDescription.me && serverDescription.address !== serverDescription.me) {
+    serverDescriptions.delete(serverDescription.address);
+  }
+
+  return [topologyType, setName];
+}
+
+function checkHasPrimary(serverDescriptions: Map<string, ServerDescription>): TopologyType {
+  for (const serverDescription of serverDescriptions.values()) {
+    if (serverDescription.type === ServerType.RSPrimary) {
+      return TopologyType.ReplicaSetWithPrimary;
+    }
+  }
+
+  return TopologyType.ReplicaSetNoPrimary;
+}
diff --git a/node_modules/mongodb/src/sessions.ts b/node_modules/mongodb/src/sessions.ts
new file mode 100644
index 000000000..68eff617d
--- /dev/null
+++ b/node_modules/mongodb/src/sessions.ts
@@ -0,0 +1,1079 @@
+import { Binary, Document, Long, Timestamp } from './bson';
+import type { CommandOptions, Connection } from './cmap/connection';
+import { ConnectionPoolMetrics } from './cmap/metrics';
+import { isSharded } from './cmap/wire_protocol/shared';
+import { PINNED, UNPINNED } from './constants';
+import type { AbstractCursor } from './cursor/abstract_cursor';
+import {
+  AnyError,
+  MongoAPIError,
+  MongoCompatibilityError,
+  MONGODB_ERROR_CODES,
+  MongoDriverError,
+  MongoError,
+  MongoErrorLabel,
+  MongoExpiredSessionError,
+  MongoInvalidArgumentError,
+  MongoRuntimeError,
+  MongoServerError,
+  MongoTransactionError,
+  MongoWriteConcernError
+} from './error';
+import type { MongoClient, MongoOptions } from './mongo_client';
+import { TypedEventEmitter } from './mongo_types';
+import { executeOperation } from './operations/execute_operation';
+import { RunAdminCommandOperation } from './operations/run_command';
+import { PromiseProvider } from './promise_provider';
+import { ReadConcernLevel } from './read_concern';
+import { ReadPreference } from './read_preference';
+import { _advanceClusterTime, ClusterTime, TopologyType } from './sdam/common';
+import { isTransactionCommand, Transaction, TransactionOptions, TxnState } from './transactions';
+import {
+  calculateDurationInMs,
+  Callback,
+  commandSupportsReadConcern,
+  isPromiseLike,
+  maxWireVersion,
+  maybePromise,
+  now,
+  uuidV4
+} from './utils';
+
+const minWireVersionForShardedTransactions = 8;
+
+/** @public */
+export interface ClientSessionOptions {
+  /** Whether causal consistency should be enabled on this session */
+  causalConsistency?: boolean;
+  /** Whether all read operations should be read from the same snapshot for this session (NOTE: not compatible with `causalConsistency=true`) */
+  snapshot?: boolean;
+  /** The default TransactionOptions to use for transactions started on this session. */
+  defaultTransactionOptions?: TransactionOptions;
+
+  /** @internal */
+  owner?: symbol | AbstractCursor;
+  /** @internal */
+  explicit?: boolean;
+  /** @internal */
+  initialClusterTime?: ClusterTime;
+}
+
+/** @public */
+export type WithTransactionCallback<T = void> = (session: ClientSession) => Promise<T>;
+
+/** @public */
+export type ClientSessionEvents = {
+  ended(session: ClientSession): void;
+};
+
+/** @internal */
+const kServerSession = Symbol('serverSession');
+/** @internal */
+const kSnapshotTime = Symbol('snapshotTime');
+/** @internal */
+const kSnapshotEnabled = Symbol('snapshotEnabled');
+/** @internal */
+const kPinnedConnection = Symbol('pinnedConnection');
+/** @internal Accumulates total number of increments to add to txnNumber when applying session to command */
+const kTxnNumberIncrement = Symbol('txnNumberIncrement');
+
+/** @public */
+export interface EndSessionOptions {
+  /**
+   * An optional error which caused the call to end this session
+   * @internal
+   */
+  error?: AnyError;
+  force?: boolean;
+  forceClear?: boolean;
+}
+
+/**
+ * A class representing a client session on the server
+ *
+ * NOTE: not meant to be instantiated directly.
+ * @public
+ */
+export class ClientSession extends TypedEventEmitter<ClientSessionEvents> {
+  /** @internal */
+  client: MongoClient;
+  /** @internal */
+  sessionPool: ServerSessionPool;
+  hasEnded: boolean;
+  clientOptions?: MongoOptions;
+  supports: { causalConsistency: boolean };
+  clusterTime?: ClusterTime;
+  operationTime?: Timestamp;
+  explicit: boolean;
+  /** @internal */
+  owner?: symbol | AbstractCursor;
+  defaultTransactionOptions: TransactionOptions;
+  transaction: Transaction;
+  /** @internal */
+  [kServerSession]: ServerSession | null;
+  /** @internal */
+  [kSnapshotTime]?: Timestamp;
+  /** @internal */
+  [kSnapshotEnabled] = false;
+  /** @internal */
+  [kPinnedConnection]?: Connection;
+  /** @internal */
+  [kTxnNumberIncrement]: number;
+
+  /**
+   * Create a client session.
+   * @internal
+   * @param client - The current client
+   * @param sessionPool - The server session pool (Internal Class)
+   * @param options - Optional settings
+   * @param clientOptions - Optional settings provided when creating a MongoClient
+   */
+  constructor(
+    client: MongoClient,
+    sessionPool: ServerSessionPool,
+    options: ClientSessionOptions,
+    clientOptions?: MongoOptions
+  ) {
+    super();
+
+    if (client == null) {
+      // TODO(NODE-3483)
+      throw new MongoRuntimeError('ClientSession requires a MongoClient');
+    }
+
+    if (sessionPool == null || !(sessionPool instanceof ServerSessionPool)) {
+      // TODO(NODE-3483)
+      throw new MongoRuntimeError('ClientSession requires a ServerSessionPool');
+    }
+
+    options = options ?? {};
+
+    if (options.snapshot === true) {
+      this[kSnapshotEnabled] = true;
+      if (options.causalConsistency === true) {
+        throw new MongoInvalidArgumentError(
+          'Properties "causalConsistency" and "snapshot" are mutually exclusive'
+        );
+      }
+    }
+
+    this.client = client;
+    this.sessionPool = sessionPool;
+    this.hasEnded = false;
+    this.clientOptions = clientOptions;
+
+    this.explicit = !!options.explicit;
+    this[kServerSession] = this.explicit ? this.sessionPool.acquire() : null;
+    this[kTxnNumberIncrement] = 0;
+
+    this.supports = {
+      causalConsistency: options.snapshot !== true && options.causalConsistency !== false
+    };
+
+    this.clusterTime = options.initialClusterTime;
+
+    this.operationTime = undefined;
+    this.owner = options.owner;
+    this.defaultTransactionOptions = Object.assign({}, options.defaultTransactionOptions);
+    this.transaction = new Transaction();
+  }
+
+  /** The server id associated with this session */
+  get id(): ServerSessionId | undefined {
+    return this[kServerSession]?.id;
+  }
+
+  get serverSession(): ServerSession {
+    let serverSession = this[kServerSession];
+    if (serverSession == null) {
+      if (this.explicit) {
+        throw new MongoRuntimeError('Unexpected null serverSession for an explicit session');
+      }
+      if (this.hasEnded) {
+        throw new MongoRuntimeError('Unexpected null serverSession for an ended implicit session');
+      }
+      serverSession = this.sessionPool.acquire();
+      this[kServerSession] = serverSession;
+    }
+    return serverSession;
+  }
+
+  /** Whether or not this session is configured for snapshot reads */
+  get snapshotEnabled(): boolean {
+    return this[kSnapshotEnabled];
+  }
+
+  get loadBalanced(): boolean {
+    return this.client.topology?.description.type === TopologyType.LoadBalanced;
+  }
+
+  /** @internal */
+  get pinnedConnection(): Connection | undefined {
+    return this[kPinnedConnection];
+  }
+
+  /** @internal */
+  pin(conn: Connection): void {
+    if (this[kPinnedConnection]) {
+      throw TypeError('Cannot pin multiple connections to the same session');
+    }
+
+    this[kPinnedConnection] = conn;
+    conn.emit(
+      PINNED,
+      this.inTransaction() ? ConnectionPoolMetrics.TXN : ConnectionPoolMetrics.CURSOR
+    );
+  }
+
+  /** @internal */
+  unpin(options?: { force?: boolean; forceClear?: boolean; error?: AnyError }): void {
+    if (this.loadBalanced) {
+      return maybeClearPinnedConnection(this, options);
+    }
+
+    this.transaction.unpinServer();
+  }
+
+  get isPinned(): boolean {
+    return this.loadBalanced ? !!this[kPinnedConnection] : this.transaction.isPinned;
+  }
+
+  /**
+   * Ends this session on the server
+   *
+   * @param options - Optional settings. Currently reserved for future use
+   * @param callback - Optional callback for completion of this operation
+   */
+  endSession(): Promise<void>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  endSession(callback: Callback<void>): void;
+  endSession(options: EndSessionOptions): Promise<void>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  endSession(options: EndSessionOptions, callback: Callback<void>): void;
+  endSession(
+    options?: EndSessionOptions | Callback<void>,
+    callback?: Callback<void>
+  ): void | Promise<void> {
+    if (typeof options === 'function') (callback = options), (options = {});
+    const finalOptions = { force: true, ...options };
+
+    return maybePromise(callback, done => {
+      if (this.hasEnded) {
+        maybeClearPinnedConnection(this, finalOptions);
+        return done();
+      }
+
+      const completeEndSession = () => {
+        maybeClearPinnedConnection(this, finalOptions);
+
+        const serverSession = this[kServerSession];
+        if (serverSession != null) {
+          // release the server session back to the pool
+          this.sessionPool.release(serverSession);
+          // Make sure a new serverSession never makes it onto this ClientSession
+          Object.defineProperty(this, kServerSession, {
+            value: ServerSession.clone(serverSession),
+            writable: false
+          });
+        }
+
+        // mark the session as ended, and emit a signal
+        this.hasEnded = true;
+        this.emit('ended', this);
+
+        // spec indicates that we should ignore all errors for `endSessions`
+        done();
+      };
+
+      if (this.inTransaction()) {
+        // If we've reached endSession and the transaction is still active
+        // by default we abort it
+        this.abortTransaction(err => {
+          if (err) return done(err);
+          completeEndSession();
+        });
+
+        return;
+      }
+
+      completeEndSession();
+    });
+  }
+
+  /**
+   * Advances the operationTime for a ClientSession.
+   *
+   * @param operationTime - the `BSON.Timestamp` of the operation type it is desired to advance to
+   */
+  advanceOperationTime(operationTime: Timestamp): void {
+    if (this.operationTime == null) {
+      this.operationTime = operationTime;
+      return;
+    }
+
+    if (operationTime.greaterThan(this.operationTime)) {
+      this.operationTime = operationTime;
+    }
+  }
+
+  /**
+   * Advances the clusterTime for a ClientSession to the provided clusterTime of another ClientSession
+   *
+   * @param clusterTime - the $clusterTime returned by the server from another session in the form of a document containing the `BSON.Timestamp` clusterTime and signature
+   */
+  advanceClusterTime(clusterTime: ClusterTime): void {
+    if (!clusterTime || typeof clusterTime !== 'object') {
+      throw new MongoInvalidArgumentError('input cluster time must be an object');
+    }
+    if (!clusterTime.clusterTime || clusterTime.clusterTime._bsontype !== 'Timestamp') {
+      throw new MongoInvalidArgumentError(
+        'input cluster time "clusterTime" property must be a valid BSON Timestamp'
+      );
+    }
+    if (
+      !clusterTime.signature ||
+      clusterTime.signature.hash?._bsontype !== 'Binary' ||
+      (typeof clusterTime.signature.keyId !== 'number' &&
+        clusterTime.signature.keyId?._bsontype !== 'Long') // apparently we decode the key to number?
+    ) {
+      throw new MongoInvalidArgumentError(
+        'input cluster time must have a valid "signature" property with BSON Binary hash and BSON Long keyId'
+      );
+    }
+
+    _advanceClusterTime(this, clusterTime);
+  }
+
+  /**
+   * Used to determine if this session equals another
+   *
+   * @param session - The session to compare to
+   */
+  equals(session: ClientSession): boolean {
+    if (!(session instanceof ClientSession)) {
+      return false;
+    }
+
+    if (this.id == null || session.id == null) {
+      return false;
+    }
+
+    return this.id.id.buffer.equals(session.id.id.buffer);
+  }
+
+  /**
+   * Increment the transaction number on the internal ServerSession
+   *
+   * @privateRemarks
+   * This helper increments a value stored on the client session that will be
+   * added to the serverSession's txnNumber upon applying it to a command.
+   * This is because the serverSession is lazily acquired after a connection is obtained
+   */
+  incrementTransactionNumber(): void {
+    this[kTxnNumberIncrement] += 1;
+  }
+
+  /** @returns whether this session is currently in a transaction or not */
+  inTransaction(): boolean {
+    return this.transaction.isActive;
+  }
+
+  /**
+   * Starts a new transaction with the given options.
+   *
+   * @param options - Options for the transaction
+   */
+  startTransaction(options?: TransactionOptions): void {
+    if (this[kSnapshotEnabled]) {
+      throw new MongoCompatibilityError('Transactions are not supported in snapshot sessions');
+    }
+
+    if (this.inTransaction()) {
+      throw new MongoTransactionError('Transaction already in progress');
+    }
+
+    if (this.isPinned && this.transaction.isCommitted) {
+      this.unpin();
+    }
+
+    const topologyMaxWireVersion = maxWireVersion(this.client.topology);
+    if (
+      isSharded(this.client.topology) &&
+      topologyMaxWireVersion != null &&
+      topologyMaxWireVersion < minWireVersionForShardedTransactions
+    ) {
+      throw new MongoCompatibilityError(
+        'Transactions are not supported on sharded clusters in MongoDB < 4.2.'
+      );
+    }
+
+    // increment txnNumber
+    this.incrementTransactionNumber();
+    // create transaction state
+    this.transaction = new Transaction({
+      readConcern:
+        options?.readConcern ??
+        this.defaultTransactionOptions.readConcern ??
+        this.clientOptions?.readConcern,
+      writeConcern:
+        options?.writeConcern ??
+        this.defaultTransactionOptions.writeConcern ??
+        this.clientOptions?.writeConcern,
+      readPreference:
+        options?.readPreference ??
+        this.defaultTransactionOptions.readPreference ??
+        this.clientOptions?.readPreference,
+      maxCommitTimeMS: options?.maxCommitTimeMS ?? this.defaultTransactionOptions.maxCommitTimeMS
+    });
+
+    this.transaction.transition(TxnState.STARTING_TRANSACTION);
+  }
+
+  /**
+   * Commits the currently active transaction in this session.
+   *
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  commitTransaction(): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  commitTransaction(callback: Callback<Document>): void;
+  commitTransaction(callback?: Callback<Document>): Promise<Document> | void {
+    return maybePromise(callback, cb => endTransaction(this, 'commitTransaction', cb));
+  }
+
+  /**
+   * Aborts the currently active transaction in this session.
+   *
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  abortTransaction(): Promise<Document>;
+  /** @deprecated Callbacks are deprecated and will be removed in the next major version. See [mongodb-legacy](https://github.com/mongodb-js/nodejs-mongodb-legacy) for migration assistance */
+  abortTransaction(callback: Callback<Document>): void;
+  abortTransaction(callback?: Callback<Document>): Promise<Document> | void {
+    return maybePromise(callback, cb => endTransaction(this, 'abortTransaction', cb));
+  }
+
+  /**
+   * This is here to ensure that ClientSession is never serialized to BSON.
+   */
+  toBSON(): never {
+    throw new MongoRuntimeError('ClientSession cannot be serialized to BSON.');
+  }
+
+  /**
+   * Runs a provided callback within a transaction, retrying either the commitTransaction operation
+   * or entire transaction as needed (and when the error permits) to better ensure that
+   * the transaction can complete successfully.
+   *
+   * **IMPORTANT:** This method requires the user to return a Promise, and `await` all operations.
+   * Any callbacks that do not return a Promise will result in undefined behavior.
+   *
+   * @remarks
+   * This function:
+   * - Will return the command response from the final commitTransaction if every operation is successful (can be used as a truthy object)
+   * - Will return `undefined` if the transaction is explicitly aborted with `await session.abortTransaction()`
+   * - Will throw if one of the operations throws or `throw` statement is used inside the `withTransaction` callback
+   *
+   * Checkout a descriptive example here:
+   * @see https://www.mongodb.com/developer/quickstart/node-transactions/
+   *
+   * @param fn - callback to run within a transaction
+   * @param options - optional settings for the transaction
+   * @returns A raw command response or undefined
+   */
+  withTransaction<T = void>(
+    fn: WithTransactionCallback<T>,
+    options?: TransactionOptions
+  ): Promise<Document | undefined> {
+    const startTime = now();
+    return attemptTransaction(this, startTime, fn, options);
+  }
+}
+
+const MAX_WITH_TRANSACTION_TIMEOUT = 120000;
+const NON_DETERMINISTIC_WRITE_CONCERN_ERRORS = new Set([
+  'CannotSatisfyWriteConcern',
+  'UnknownReplWriteConcern',
+  'UnsatisfiableWriteConcern'
+]);
+
+function hasNotTimedOut(startTime: number, max: number) {
+  return calculateDurationInMs(startTime) < max;
+}
+
+function isUnknownTransactionCommitResult(err: MongoError) {
+  const isNonDeterministicWriteConcernError =
+    err instanceof MongoServerError &&
+    err.codeName &&
+    NON_DETERMINISTIC_WRITE_CONCERN_ERRORS.has(err.codeName);
+
+  return (
+    isMaxTimeMSExpiredError(err) ||
+    (!isNonDeterministicWriteConcernError &&
+      err.code !== MONGODB_ERROR_CODES.UnsatisfiableWriteConcern &&
+      err.code !== MONGODB_ERROR_CODES.UnknownReplWriteConcern)
+  );
+}
+
+export function maybeClearPinnedConnection(
+  session: ClientSession,
+  options?: EndSessionOptions
+): void {
+  // unpin a connection if it has been pinned
+  const conn = session[kPinnedConnection];
+  const error = options?.error;
+
+  if (
+    session.inTransaction() &&
+    error &&
+    error instanceof MongoError &&
+    error.hasErrorLabel(MongoErrorLabel.TransientTransactionError)
+  ) {
+    return;
+  }
+
+  const topology = session.client.topology;
+  // NOTE: the spec talks about what to do on a network error only, but the tests seem to
+  //       to validate that we don't unpin on _all_ errors?
+  if (conn && topology != null) {
+    const servers = Array.from(topology.s.servers.values());
+    const loadBalancer = servers[0];
+
+    if (options?.error == null || options?.force) {
+      loadBalancer.s.pool.checkIn(conn);
+      conn.emit(
+        UNPINNED,
+        session.transaction.state !== TxnState.NO_TRANSACTION
+          ? ConnectionPoolMetrics.TXN
+          : ConnectionPoolMetrics.CURSOR
+      );
+
+      if (options?.forceClear) {
+        loadBalancer.s.pool.clear(conn.serviceId);
+      }
+    }
+
+    session[kPinnedConnection] = undefined;
+  }
+}
+
+function isMaxTimeMSExpiredError(err: MongoError) {
+  if (err == null || !(err instanceof MongoServerError)) {
+    return false;
+  }
+
+  return (
+    err.code === MONGODB_ERROR_CODES.MaxTimeMSExpired ||
+    (err.writeConcernError && err.writeConcernError.code === MONGODB_ERROR_CODES.MaxTimeMSExpired)
+  );
+}
+
+function attemptTransactionCommit<T>(
+  session: ClientSession,
+  startTime: number,
+  fn: WithTransactionCallback<T>,
+  options?: TransactionOptions
+): Promise<T> {
+  return session.commitTransaction().catch((err: MongoError) => {
+    if (
+      err instanceof MongoError &&
+      hasNotTimedOut(startTime, MAX_WITH_TRANSACTION_TIMEOUT) &&
+      !isMaxTimeMSExpiredError(err)
+    ) {
+      if (err.hasErrorLabel(MongoErrorLabel.UnknownTransactionCommitResult)) {
+        return attemptTransactionCommit(session, startTime, fn, options);
+      }
+
+      if (err.hasErrorLabel(MongoErrorLabel.TransientTransactionError)) {
+        return attemptTransaction(session, startTime, fn, options);
+      }
+    }
+
+    throw err;
+  });
+}
+
+const USER_EXPLICIT_TXN_END_STATES = new Set<TxnState>([
+  TxnState.NO_TRANSACTION,
+  TxnState.TRANSACTION_COMMITTED,
+  TxnState.TRANSACTION_ABORTED
+]);
+
+function userExplicitlyEndedTransaction(session: ClientSession) {
+  return USER_EXPLICIT_TXN_END_STATES.has(session.transaction.state);
+}
+
+function attemptTransaction<TSchema>(
+  session: ClientSession,
+  startTime: number,
+  fn: WithTransactionCallback<TSchema>,
+  options?: TransactionOptions
+): Promise<any> {
+  session.startTransaction(options);
+
+  let promise;
+  try {
+    promise = fn(session);
+  } catch (err) {
+    const PromiseConstructor = PromiseProvider.get() ?? Promise;
+    promise = PromiseConstructor.reject(err);
+  }
+
+  if (!isPromiseLike(promise)) {
+    session.abortTransaction().catch(() => null);
+    throw new MongoInvalidArgumentError(
+      'Function provided to `withTransaction` must return a Promise'
+    );
+  }
+
+  return promise.then(
+    () => {
+      if (userExplicitlyEndedTransaction(session)) {
+        return;
+      }
+
+      return attemptTransactionCommit(session, startTime, fn, options);
+    },
+    err => {
+      function maybeRetryOrThrow(err: MongoError): Promise<any> {
+        if (
+          err instanceof MongoError &&
+          err.hasErrorLabel(MongoErrorLabel.TransientTransactionError) &&
+          hasNotTimedOut(startTime, MAX_WITH_TRANSACTION_TIMEOUT)
+        ) {
+          return attemptTransaction(session, startTime, fn, options);
+        }
+
+        if (isMaxTimeMSExpiredError(err)) {
+          err.addErrorLabel(MongoErrorLabel.UnknownTransactionCommitResult);
+        }
+
+        throw err;
+      }
+
+      if (session.inTransaction()) {
+        return session.abortTransaction().then(() => maybeRetryOrThrow(err));
+      }
+
+      return maybeRetryOrThrow(err);
+    }
+  );
+}
+
+function endTransaction(
+  session: ClientSession,
+  commandName: 'abortTransaction' | 'commitTransaction',
+  callback: Callback<Document>
+) {
+  // handle any initial problematic cases
+  const txnState = session.transaction.state;
+
+  if (txnState === TxnState.NO_TRANSACTION) {
+    callback(new MongoTransactionError('No transaction started'));
+    return;
+  }
+
+  if (commandName === 'commitTransaction') {
+    if (
+      txnState === TxnState.STARTING_TRANSACTION ||
+      txnState === TxnState.TRANSACTION_COMMITTED_EMPTY
+    ) {
+      // the transaction was never started, we can safely exit here
+      session.transaction.transition(TxnState.TRANSACTION_COMMITTED_EMPTY);
+      callback();
+      return;
+    }
+
+    if (txnState === TxnState.TRANSACTION_ABORTED) {
+      callback(
+        new MongoTransactionError('Cannot call commitTransaction after calling abortTransaction')
+      );
+      return;
+    }
+  } else {
+    if (txnState === TxnState.STARTING_TRANSACTION) {
+      // the transaction was never started, we can safely exit here
+      session.transaction.transition(TxnState.TRANSACTION_ABORTED);
+      callback();
+      return;
+    }
+
+    if (txnState === TxnState.TRANSACTION_ABORTED) {
+      callback(new MongoTransactionError('Cannot call abortTransaction twice'));
+      return;
+    }
+
+    if (
+      txnState === TxnState.TRANSACTION_COMMITTED ||
+      txnState === TxnState.TRANSACTION_COMMITTED_EMPTY
+    ) {
+      callback(
+        new MongoTransactionError('Cannot call abortTransaction after calling commitTransaction')
+      );
+      return;
+    }
+  }
+
+  // construct and send the command
+  const command: Document = { [commandName]: 1 };
+
+  // apply a writeConcern if specified
+  let writeConcern;
+  if (session.transaction.options.writeConcern) {
+    writeConcern = Object.assign({}, session.transaction.options.writeConcern);
+  } else if (session.clientOptions && session.clientOptions.writeConcern) {
+    writeConcern = { w: session.clientOptions.writeConcern.w };
+  }
+
+  if (txnState === TxnState.TRANSACTION_COMMITTED) {
+    writeConcern = Object.assign({ wtimeout: 10000 }, writeConcern, { w: 'majority' });
+  }
+
+  if (writeConcern) {
+    Object.assign(command, { writeConcern });
+  }
+
+  if (commandName === 'commitTransaction' && session.transaction.options.maxTimeMS) {
+    Object.assign(command, { maxTimeMS: session.transaction.options.maxTimeMS });
+  }
+
+  function commandHandler(error?: Error, result?: Document) {
+    if (commandName !== 'commitTransaction') {
+      session.transaction.transition(TxnState.TRANSACTION_ABORTED);
+      if (session.loadBalanced) {
+        maybeClearPinnedConnection(session, { force: false });
+      }
+
+      // The spec indicates that we should ignore all errors on `abortTransaction`
+      return callback();
+    }
+
+    session.transaction.transition(TxnState.TRANSACTION_COMMITTED);
+    if (error instanceof MongoError) {
+      if (
+        error.hasErrorLabel(MongoErrorLabel.RetryableWriteError) ||
+        error instanceof MongoWriteConcernError ||
+        isMaxTimeMSExpiredError(error)
+      ) {
+        if (isUnknownTransactionCommitResult(error)) {
+          error.addErrorLabel(MongoErrorLabel.UnknownTransactionCommitResult);
+
+          // per txns spec, must unpin session in this case
+          session.unpin({ error });
+        }
+      } else if (error.hasErrorLabel(MongoErrorLabel.TransientTransactionError)) {
+        session.unpin({ error });
+      }
+    }
+
+    callback(error, result);
+  }
+
+  if (session.transaction.recoveryToken) {
+    command.recoveryToken = session.transaction.recoveryToken;
+  }
+
+  // send the command
+  executeOperation(
+    session.client,
+    new RunAdminCommandOperation(undefined, command, {
+      session,
+      readPreference: ReadPreference.primary,
+      bypassPinningCheck: true
+    }),
+    (error, result) => {
+      if (command.abortTransaction) {
+        // always unpin on abort regardless of command outcome
+        session.unpin();
+      }
+
+      if (error instanceof MongoError && error.hasErrorLabel(MongoErrorLabel.RetryableWriteError)) {
+        // SPEC-1185: apply majority write concern when retrying commitTransaction
+        if (command.commitTransaction) {
+          // per txns spec, must unpin session in this case
+          session.unpin({ force: true });
+
+          command.writeConcern = Object.assign({ wtimeout: 10000 }, command.writeConcern, {
+            w: 'majority'
+          });
+        }
+
+        return executeOperation(
+          session.client,
+          new RunAdminCommandOperation(undefined, command, {
+            session,
+            readPreference: ReadPreference.primary,
+            bypassPinningCheck: true
+          }),
+          commandHandler
+        );
+      }
+
+      commandHandler(error, result);
+    }
+  );
+}
+
+/** @public */
+export type ServerSessionId = { id: Binary };
+
+/**
+ * Reflects the existence of a session on the server. Can be reused by the session pool.
+ * WARNING: not meant to be instantiated directly. For internal use only.
+ * @public
+ */
+export class ServerSession {
+  id: ServerSessionId;
+  lastUse: number;
+  txnNumber: number;
+  isDirty: boolean;
+
+  /** @internal */
+  constructor() {
+    this.id = { id: new Binary(uuidV4(), Binary.SUBTYPE_UUID) };
+    this.lastUse = now();
+    this.txnNumber = 0;
+    this.isDirty = false;
+  }
+
+  /**
+   * Determines if the server session has timed out.
+   *
+   * @param sessionTimeoutMinutes - The server's "logicalSessionTimeoutMinutes"
+   */
+  hasTimedOut(sessionTimeoutMinutes: number): boolean {
+    // Take the difference of the lastUse timestamp and now, which will result in a value in
+    // milliseconds, and then convert milliseconds to minutes to compare to `sessionTimeoutMinutes`
+    const idleTimeMinutes = Math.round(
+      ((calculateDurationInMs(this.lastUse) % 86400000) % 3600000) / 60000
+    );
+
+    return idleTimeMinutes > sessionTimeoutMinutes - 1;
+  }
+
+  /**
+   * @internal
+   * Cloning meant to keep a readable reference to the server session data
+   * after ClientSession has ended
+   */
+  static clone(serverSession: ServerSession): Readonly<ServerSession> {
+    const arrayBuffer = new ArrayBuffer(16);
+    const idBytes = Buffer.from(arrayBuffer);
+    idBytes.set(serverSession.id.id.buffer);
+
+    const id = new Binary(idBytes, serverSession.id.id.sub_type);
+
+    // Manual prototype construction to avoid modifying the constructor of this class
+    return Object.setPrototypeOf(
+      {
+        id: { id },
+        lastUse: serverSession.lastUse,
+        txnNumber: serverSession.txnNumber,
+        isDirty: serverSession.isDirty
+      },
+      ServerSession.prototype
+    );
+  }
+}
+
+/**
+ * Maintains a pool of Server Sessions.
+ * For internal use only
+ * @internal
+ */
+export class ServerSessionPool {
+  client: MongoClient;
+  sessions: ServerSession[];
+
+  constructor(client: MongoClient) {
+    if (client == null) {
+      throw new MongoRuntimeError('ServerSessionPool requires a MongoClient');
+    }
+
+    this.client = client;
+    this.sessions = [];
+  }
+
+  /**
+   * Acquire a Server Session from the pool.
+   * Iterates through each session in the pool, removing any stale sessions
+   * along the way. The first non-stale session found is removed from the
+   * pool and returned. If no non-stale session is found, a new ServerSession is created.
+   */
+  acquire(): ServerSession {
+    const sessionTimeoutMinutes = this.client.topology?.logicalSessionTimeoutMinutes ?? 10;
+
+    let session: ServerSession | null = null;
+
+    // Try to obtain from session pool
+    while (this.sessions.length > 0) {
+      const potentialSession = this.sessions.shift();
+      if (
+        potentialSession != null &&
+        (!!this.client.topology?.loadBalanced ||
+          !potentialSession.hasTimedOut(sessionTimeoutMinutes))
+      ) {
+        session = potentialSession;
+        break;
+      }
+    }
+
+    // If nothing valid came from the pool make a new one
+    if (session == null) {
+      session = new ServerSession();
+    }
+
+    return session;
+  }
+
+  /**
+   * Release a session to the session pool
+   * Adds the session back to the session pool if the session has not timed out yet.
+   * This method also removes any stale sessions from the pool.
+   *
+   * @param session - The session to release to the pool
+   */
+  release(session: ServerSession): void {
+    const sessionTimeoutMinutes = this.client.topology?.logicalSessionTimeoutMinutes ?? 10;
+
+    if (this.client.topology?.loadBalanced && !sessionTimeoutMinutes) {
+      this.sessions.unshift(session);
+    }
+
+    if (!sessionTimeoutMinutes) {
+      return;
+    }
+
+    while (this.sessions.length) {
+      const pooledSession = this.sessions[this.sessions.length - 1];
+      if (pooledSession.hasTimedOut(sessionTimeoutMinutes)) {
+        this.sessions.pop();
+      } else {
+        break;
+      }
+    }
+
+    if (!session.hasTimedOut(sessionTimeoutMinutes)) {
+      if (session.isDirty) {
+        return;
+      }
+
+      // otherwise, readd this session to the session pool
+      this.sessions.unshift(session);
+    }
+  }
+}
+
+/**
+ * Optionally decorate a command with sessions specific keys
+ *
+ * @param session - the session tracking transaction state
+ * @param command - the command to decorate
+ * @param options - Optional settings passed to calling operation
+ *
+ * @internal
+ */
+export function applySession(
+  session: ClientSession,
+  command: Document,
+  options: CommandOptions
+): MongoDriverError | undefined {
+  if (session.hasEnded) {
+    return new MongoExpiredSessionError();
+  }
+
+  // May acquire serverSession here
+  const serverSession = session.serverSession;
+  if (serverSession == null) {
+    return new MongoRuntimeError('Unable to acquire server session');
+  }
+
+  if (options.writeConcern?.w === 0) {
+    if (session && session.explicit) {
+      // Error if user provided an explicit session to an unacknowledged write (SPEC-1019)
+      return new MongoAPIError('Cannot have explicit session with unacknowledged writes');
+    }
+    return;
+  }
+
+  // mark the last use of this session, and apply the `lsid`
+  serverSession.lastUse = now();
+  command.lsid = serverSession.id;
+
+  const inTxnOrTxnCommand = session.inTransaction() || isTransactionCommand(command);
+  const isRetryableWrite = !!options.willRetryWrite;
+
+  if (isRetryableWrite || inTxnOrTxnCommand) {
+    serverSession.txnNumber += session[kTxnNumberIncrement];
+    session[kTxnNumberIncrement] = 0;
+    // TODO(NODE-2674): Preserve int64 sent from MongoDB
+    command.txnNumber = Long.fromNumber(serverSession.txnNumber);
+  }
+
+  if (!inTxnOrTxnCommand) {
+    if (session.transaction.state !== TxnState.NO_TRANSACTION) {
+      session.transaction.transition(TxnState.NO_TRANSACTION);
+    }
+
+    if (
+      session.supports.causalConsistency &&
+      session.operationTime &&
+      commandSupportsReadConcern(command, options)
+    ) {
+      command.readConcern = command.readConcern || {};
+      Object.assign(command.readConcern, { afterClusterTime: session.operationTime });
+    } else if (session[kSnapshotEnabled]) {
+      command.readConcern = command.readConcern || { level: ReadConcernLevel.snapshot };
+      if (session[kSnapshotTime] != null) {
+        Object.assign(command.readConcern, { atClusterTime: session[kSnapshotTime] });
+      }
+    }
+
+    return;
+  }
+
+  // now attempt to apply transaction-specific sessions data
+
+  // `autocommit` must always be false to differentiate from retryable writes
+  command.autocommit = false;
+
+  if (session.transaction.state === TxnState.STARTING_TRANSACTION) {
+    session.transaction.transition(TxnState.TRANSACTION_IN_PROGRESS);
+    command.startTransaction = true;
+
+    const readConcern =
+      session.transaction.options.readConcern || session?.clientOptions?.readConcern;
+    if (readConcern) {
+      command.readConcern = readConcern;
+    }
+
+    if (session.supports.causalConsistency && session.operationTime) {
+      command.readConcern = command.readConcern || {};
+      Object.assign(command.readConcern, { afterClusterTime: session.operationTime });
+    }
+  }
+  return;
+}
+
+export function updateSessionFromResponse(session: ClientSession, document: Document): void {
+  if (document.$clusterTime) {
+    _advanceClusterTime(session, document.$clusterTime);
+  }
+
+  if (document.operationTime && session && session.supports.causalConsistency) {
+    session.advanceOperationTime(document.operationTime);
+  }
+
+  if (document.recoveryToken && session && session.inTransaction()) {
+    session.transaction._recoveryToken = document.recoveryToken;
+  }
+
+  if (session?.[kSnapshotEnabled] && session[kSnapshotTime] == null) {
+    // find and aggregate commands return atClusterTime on the cursor
+    // distinct includes it in the response body
+    const atClusterTime = document.cursor?.atClusterTime || document.atClusterTime;
+    if (atClusterTime) {
+      session[kSnapshotTime] = atClusterTime;
+    }
+  }
+}
diff --git a/node_modules/mongodb/src/sort.ts b/node_modules/mongodb/src/sort.ts
new file mode 100644
index 000000000..6b766b545
--- /dev/null
+++ b/node_modules/mongodb/src/sort.ts
@@ -0,0 +1,132 @@
+import { MongoInvalidArgumentError } from './error';
+
+/** @public */
+export type SortDirection =
+  | 1
+  | -1
+  | 'asc'
+  | 'desc'
+  | 'ascending'
+  | 'descending'
+  | { $meta: string };
+
+/** @public */
+export type Sort =
+  | string
+  | Exclude<SortDirection, { $meta: string }>
+  | string[]
+  | { [key: string]: SortDirection }
+  | Map<string, SortDirection>
+  | [string, SortDirection][]
+  | [string, SortDirection];
+
+/** Below stricter types were created for sort that correspond with type that the cmd takes  */
+
+/** @internal */
+export type SortDirectionForCmd = 1 | -1 | { $meta: string };
+
+/** @internal */
+export type SortForCmd = Map<string, SortDirectionForCmd>;
+
+/** @internal */
+type SortPairForCmd = [string, SortDirectionForCmd];
+
+/** @internal */
+function prepareDirection(direction: any = 1): SortDirectionForCmd {
+  const value = `${direction}`.toLowerCase();
+  if (isMeta(direction)) return direction;
+  switch (value) {
+    case 'ascending':
+    case 'asc':
+    case '1':
+      return 1;
+    case 'descending':
+    case 'desc':
+    case '-1':
+      return -1;
+    default:
+      throw new MongoInvalidArgumentError(`Invalid sort direction: ${JSON.stringify(direction)}`);
+  }
+}
+
+/** @internal */
+function isMeta(t: SortDirection): t is { $meta: string } {
+  return typeof t === 'object' && t != null && '$meta' in t && typeof t.$meta === 'string';
+}
+
+/** @internal */
+function isPair(t: Sort): t is [string, SortDirection] {
+  if (Array.isArray(t) && t.length === 2) {
+    try {
+      prepareDirection(t[1]);
+      return true;
+    } catch (e) {
+      return false;
+    }
+  }
+  return false;
+}
+
+function isDeep(t: Sort): t is [string, SortDirection][] {
+  return Array.isArray(t) && Array.isArray(t[0]);
+}
+
+function isMap(t: Sort): t is Map<string, SortDirection> {
+  return t instanceof Map && t.size > 0;
+}
+
+/** @internal */
+function pairToMap(v: [string, SortDirection]): SortForCmd {
+  return new Map([[`${v[0]}`, prepareDirection([v[1]])]]);
+}
+
+/** @internal */
+function deepToMap(t: [string, SortDirection][]): SortForCmd {
+  const sortEntries: SortPairForCmd[] = t.map(([k, v]) => [`${k}`, prepareDirection(v)]);
+  return new Map(sortEntries);
+}
+
+/** @internal */
+function stringsToMap(t: string[]): SortForCmd {
+  const sortEntries: SortPairForCmd[] = t.map(key => [`${key}`, 1]);
+  return new Map(sortEntries);
+}
+
+/** @internal */
+function objectToMap(t: { [key: string]: SortDirection }): SortForCmd {
+  const sortEntries: SortPairForCmd[] = Object.entries(t).map(([k, v]) => [
+    `${k}`,
+    prepareDirection(v)
+  ]);
+  return new Map(sortEntries);
+}
+
+/** @internal */
+function mapToMap(t: Map<string, SortDirection>): SortForCmd {
+  const sortEntries: SortPairForCmd[] = Array.from(t).map(([k, v]) => [
+    `${k}`,
+    prepareDirection(v)
+  ]);
+  return new Map(sortEntries);
+}
+
+/** converts a Sort type into a type that is valid for the server (SortForCmd) */
+export function formatSort(
+  sort: Sort | undefined,
+  direction?: SortDirection
+): SortForCmd | undefined {
+  if (sort == null) return undefined;
+  if (typeof sort === 'string') return new Map([[sort, prepareDirection(direction)]]);
+  if (typeof sort !== 'object') {
+    throw new MongoInvalidArgumentError(
+      `Invalid sort format: ${JSON.stringify(sort)} Sort must be a valid object`
+    );
+  }
+  if (!Array.isArray(sort)) {
+    return isMap(sort) ? mapToMap(sort) : Object.keys(sort).length ? objectToMap(sort) : undefined;
+  }
+  if (!sort.length) return undefined;
+  if (isDeep(sort)) return deepToMap(sort);
+  if (isPair(sort)) return pairToMap(sort);
+  return stringsToMap(sort);
+}
diff --git a/node_modules/mongodb/src/transactions.ts b/node_modules/mongodb/src/transactions.ts
new file mode 100644
index 000000000..34d84403c
--- /dev/null
+++ b/node_modules/mongodb/src/transactions.ts
@@ -0,0 +1,187 @@
+import type { Document } from './bson';
+import { MongoRuntimeError, MongoTransactionError } from './error';
+import type { CommandOperationOptions } from './operations/command';
+import { ReadConcern, ReadConcernLike } from './read_concern';
+import { ReadPreference } from './read_preference';
+import type { Server } from './sdam/server';
+import { WriteConcern } from './write_concern';
+
+/** @internal */
+export const TxnState = Object.freeze({
+  NO_TRANSACTION: 'NO_TRANSACTION',
+  STARTING_TRANSACTION: 'STARTING_TRANSACTION',
+  TRANSACTION_IN_PROGRESS: 'TRANSACTION_IN_PROGRESS',
+  TRANSACTION_COMMITTED: 'TRANSACTION_COMMITTED',
+  TRANSACTION_COMMITTED_EMPTY: 'TRANSACTION_COMMITTED_EMPTY',
+  TRANSACTION_ABORTED: 'TRANSACTION_ABORTED'
+} as const);
+
+/** @internal */
+export type TxnState = typeof TxnState[keyof typeof TxnState];
+
+const stateMachine: { [state in TxnState]: TxnState[] } = {
+  [TxnState.NO_TRANSACTION]: [TxnState.NO_TRANSACTION, TxnState.STARTING_TRANSACTION],
+  [TxnState.STARTING_TRANSACTION]: [
+    TxnState.TRANSACTION_IN_PROGRESS,
+    TxnState.TRANSACTION_COMMITTED,
+    TxnState.TRANSACTION_COMMITTED_EMPTY,
+    TxnState.TRANSACTION_ABORTED
+  ],
+  [TxnState.TRANSACTION_IN_PROGRESS]: [
+    TxnState.TRANSACTION_IN_PROGRESS,
+    TxnState.TRANSACTION_COMMITTED,
+    TxnState.TRANSACTION_ABORTED
+  ],
+  [TxnState.TRANSACTION_COMMITTED]: [
+    TxnState.TRANSACTION_COMMITTED,
+    TxnState.TRANSACTION_COMMITTED_EMPTY,
+    TxnState.STARTING_TRANSACTION,
+    TxnState.NO_TRANSACTION
+  ],
+  [TxnState.TRANSACTION_ABORTED]: [TxnState.STARTING_TRANSACTION, TxnState.NO_TRANSACTION],
+  [TxnState.TRANSACTION_COMMITTED_EMPTY]: [
+    TxnState.TRANSACTION_COMMITTED_EMPTY,
+    TxnState.NO_TRANSACTION
+  ]
+};
+
+const ACTIVE_STATES: Set<TxnState> = new Set([
+  TxnState.STARTING_TRANSACTION,
+  TxnState.TRANSACTION_IN_PROGRESS
+]);
+
+const COMMITTED_STATES: Set<TxnState> = new Set([
+  TxnState.TRANSACTION_COMMITTED,
+  TxnState.TRANSACTION_COMMITTED_EMPTY,
+  TxnState.TRANSACTION_ABORTED
+]);
+
+/**
+ * Configuration options for a transaction.
+ * @public
+ */
+export interface TransactionOptions extends CommandOperationOptions {
+  // TODO(NODE-3344): These options use the proper class forms of these settings, it should accept the basic enum values too
+  /** A default read concern for commands in this transaction */
+  readConcern?: ReadConcernLike;
+  /** A default writeConcern for commands in this transaction */
+  writeConcern?: WriteConcern;
+  /** A default read preference for commands in this transaction */
+  readPreference?: ReadPreference;
+  /** Specifies the maximum amount of time to allow a commit action on a transaction to run in milliseconds */
+  maxCommitTimeMS?: number;
+}
+
+/**
+ * @public
+ * A class maintaining state related to a server transaction. Internal Only
+ */
+export class Transaction {
+  /** @internal */
+  state: TxnState;
+  options: TransactionOptions;
+  /** @internal */
+  _pinnedServer?: Server;
+  /** @internal */
+  _recoveryToken?: Document;
+
+  /** Create a transaction @internal */
+  constructor(options?: TransactionOptions) {
+    options = options ?? {};
+    this.state = TxnState.NO_TRANSACTION;
+    this.options = {};
+
+    const writeConcern = WriteConcern.fromOptions(options);
+    if (writeConcern) {
+      if (writeConcern.w === 0) {
+        throw new MongoTransactionError('Transactions do not support unacknowledged write concern');
+      }
+
+      this.options.writeConcern = writeConcern;
+    }
+
+    if (options.readConcern) {
+      this.options.readConcern = ReadConcern.fromOptions(options);
+    }
+
+    if (options.readPreference) {
+      this.options.readPreference = ReadPreference.fromOptions(options);
+    }
+
+    if (options.maxCommitTimeMS) {
+      this.options.maxTimeMS = options.maxCommitTimeMS;
+    }
+
+    // TODO: This isn't technically necessary
+    this._pinnedServer = undefined;
+    this._recoveryToken = undefined;
+  }
+
+  /** @internal */
+  get server(): Server | undefined {
+    return this._pinnedServer;
+  }
+
+  get recoveryToken(): Document | undefined {
+    return this._recoveryToken;
+  }
+
+  get isPinned(): boolean {
+    return !!this.server;
+  }
+
+  /** @returns Whether the transaction has started */
+  get isStarting(): boolean {
+    return this.state === TxnState.STARTING_TRANSACTION;
+  }
+
+  /**
+   * @returns Whether this session is presently in a transaction
+   */
+  get isActive(): boolean {
+    return ACTIVE_STATES.has(this.state);
+  }
+
+  get isCommitted(): boolean {
+    return COMMITTED_STATES.has(this.state);
+  }
+  /**
+   * Transition the transaction in the state machine
+   * @internal
+   * @param nextState - The new state to transition to
+   */
+  transition(nextState: TxnState): void {
+    const nextStates = stateMachine[this.state];
+    if (nextStates && nextStates.includes(nextState)) {
+      this.state = nextState;
+      if (
+        this.state === TxnState.NO_TRANSACTION ||
+        this.state === TxnState.STARTING_TRANSACTION ||
+        this.state === TxnState.TRANSACTION_ABORTED
+      ) {
+        this.unpinServer();
+      }
+      return;
+    }
+
+    throw new MongoRuntimeError(
+      `Attempted illegal state transition from [${this.state}] to [${nextState}]`
+    );
+  }
+
+  /** @internal */
+  pinServer(server: Server): void {
+    if (this.isActive) {
+      this._pinnedServer = server;
+    }
+  }
+
+  /** @internal */
+  unpinServer(): void {
+    this._pinnedServer = undefined;
+  }
+}
+
+export function isTransactionCommand(command: Document): boolean {
+  return !!(command.commitTransaction || command.abortTransaction);
+}
diff --git a/node_modules/mongodb/src/utils.ts b/node_modules/mongodb/src/utils.ts
new file mode 100644
index 000000000..f871df54a
--- /dev/null
+++ b/node_modules/mongodb/src/utils.ts
@@ -0,0 +1,1296 @@
+import * as crypto from 'crypto';
+import type { SrvRecord } from 'dns';
+import * as os from 'os';
+import { URL } from 'url';
+
+import { Document, ObjectId, resolveBSONOptions } from './bson';
+import type { Connection } from './cmap/connection';
+import { MAX_SUPPORTED_WIRE_VERSION } from './cmap/wire_protocol/constants';
+import type { Collection } from './collection';
+import { LEGACY_HELLO_COMMAND } from './constants';
+import type { AbstractCursor } from './cursor/abstract_cursor';
+import type { FindCursor } from './cursor/find_cursor';
+import type { Db } from './db';
+import {
+  AnyError,
+  MongoCompatibilityError,
+  MongoInvalidArgumentError,
+  MongoNotConnectedError,
+  MongoParseError,
+  MongoRuntimeError
+} from './error';
+import type { Explain } from './explain';
+import type { MongoClient } from './mongo_client';
+import type { CommandOperationOptions, OperationParent } from './operations/command';
+import type { Hint, OperationOptions } from './operations/operation';
+import { PromiseProvider } from './promise_provider';
+import { ReadConcern } from './read_concern';
+import { ReadPreference } from './read_preference';
+import { ServerType } from './sdam/common';
+import type { Server } from './sdam/server';
+import type { Topology } from './sdam/topology';
+import type { ClientSession } from './sessions';
+import { W, WriteConcern, WriteConcernOptions } from './write_concern';
+
+/**
+ * MongoDB Driver style callback
+ * @public
+ */
+export type Callback<T = any> = (error?: AnyError, result?: T) => void;
+
+export const MAX_JS_INT = Number.MAX_SAFE_INTEGER + 1;
+
+export type AnyOptions = Document;
+
+/**
+ * Throws if collectionName is not a valid mongodb collection namespace.
+ * @internal
+ */
+export function checkCollectionName(collectionName: string): void {
+  if ('string' !== typeof collectionName) {
+    throw new MongoInvalidArgumentError('Collection name must be a String');
+  }
+
+  if (!collectionName || collectionName.indexOf('..') !== -1) {
+    throw new MongoInvalidArgumentError('Collection names cannot be empty');
+  }
+
+  if (
+    collectionName.indexOf('$') !== -1 &&
+    collectionName.match(/((^\$cmd)|(oplog\.\$main))/) == null
+  ) {
+    // TODO(NODE-3483): Use MongoNamespace static method
+    throw new MongoInvalidArgumentError("Collection names must not contain '$'");
+  }
+
+  if (collectionName.match(/^\.|\.$/) != null) {
+    // TODO(NODE-3483): Use MongoNamespace static method
+    throw new MongoInvalidArgumentError("Collection names must not start or end with '.'");
+  }
+
+  // Validate that we are not passing 0x00 in the collection name
+  if (collectionName.indexOf('\x00') !== -1) {
+    // TODO(NODE-3483): Use MongoNamespace static method
+    throw new MongoInvalidArgumentError('Collection names cannot contain a null character');
+  }
+}
+
+/**
+ * Ensure Hint field is in a shape we expect:
+ * - object of index names mapping to 1 or -1
+ * - just an index name
+ * @internal
+ */
+export function normalizeHintField(hint?: Hint): Hint | undefined {
+  let finalHint = undefined;
+
+  if (typeof hint === 'string') {
+    finalHint = hint;
+  } else if (Array.isArray(hint)) {
+    finalHint = {};
+
+    hint.forEach(param => {
+      finalHint[param] = 1;
+    });
+  } else if (hint != null && typeof hint === 'object') {
+    finalHint = {} as Document;
+    for (const name in hint) {
+      finalHint[name] = hint[name];
+    }
+  }
+
+  return finalHint;
+}
+
+const TO_STRING = (object: unknown) => Object.prototype.toString.call(object);
+/**
+ * Checks if arg is an Object:
+ * - **NOTE**: the check is based on the `[Symbol.toStringTag]() === 'Object'`
+ * @internal
+ */
+
+export function isObject(arg: unknown): arg is object {
+  return '[object Object]' === TO_STRING(arg);
+}
+
+/** @internal */
+export function mergeOptions<T, S>(target: T, source: S): T & S {
+  return { ...target, ...source };
+}
+
+/** @internal */
+export function filterOptions(options: AnyOptions, names: ReadonlyArray<string>): AnyOptions {
+  const filterOptions: AnyOptions = {};
+
+  for (const name in options) {
+    if (names.includes(name)) {
+      filterOptions[name] = options[name];
+    }
+  }
+
+  // Filtered options
+  return filterOptions;
+}
+
+interface HasRetryableWrites {
+  retryWrites?: boolean;
+}
+/**
+ * Applies retryWrites: true to a command if retryWrites is set on the command's database.
+ * @internal
+ *
+ * @param target - The target command to which we will apply retryWrites.
+ * @param db - The database from which we can inherit a retryWrites value.
+ */
+export function applyRetryableWrites<T extends HasRetryableWrites>(target: T, db?: Db): T {
+  if (db && db.s.options?.retryWrites) {
+    target.retryWrites = true;
+  }
+
+  return target;
+}
+
+interface HasWriteConcern {
+  writeConcern?: WriteConcernOptions | WriteConcern | W;
+}
+/**
+ * Applies a write concern to a command based on well defined inheritance rules, optionally
+ * detecting support for the write concern in the first place.
+ * @internal
+ *
+ * @param target - the target command we will be applying the write concern to
+ * @param sources - sources where we can inherit default write concerns from
+ * @param options - optional settings passed into a command for write concern overrides
+ */
+export function applyWriteConcern<T extends HasWriteConcern>(
+  target: T,
+  sources: { db?: Db; collection?: Collection },
+  options?: OperationOptions & WriteConcernOptions
+): T {
+  options = options ?? {};
+  const db = sources.db;
+  const coll = sources.collection;
+
+  if (options.session && options.session.inTransaction()) {
+    // writeConcern is not allowed within a multi-statement transaction
+    if (target.writeConcern) {
+      delete target.writeConcern;
+    }
+
+    return target;
+  }
+
+  const writeConcern = WriteConcern.fromOptions(options);
+  if (writeConcern) {
+    return Object.assign(target, { writeConcern });
+  }
+
+  if (coll && coll.writeConcern) {
+    return Object.assign(target, { writeConcern: Object.assign({}, coll.writeConcern) });
+  }
+
+  if (db && db.writeConcern) {
+    return Object.assign(target, { writeConcern: Object.assign({}, db.writeConcern) });
+  }
+
+  return target;
+}
+
+/**
+ * Checks if a given value is a Promise
+ *
+ * @typeParam T - The result type of maybePromise
+ * @param maybePromise - An object that could be a promise
+ * @returns true if the provided value is a Promise
+ */
+export function isPromiseLike<T = any>(
+  maybePromise?: PromiseLike<T> | void
+): maybePromise is Promise<T> {
+  return !!maybePromise && typeof maybePromise.then === 'function';
+}
+
+/**
+ * Applies collation to a given command.
+ * @internal
+ *
+ * @param command - the command on which to apply collation
+ * @param target - target of command
+ * @param options - options containing collation settings
+ */
+export function decorateWithCollation(
+  command: Document,
+  target: MongoClient | Db | Collection,
+  options: AnyOptions
+): void {
+  const capabilities = getTopology(target).capabilities;
+  if (options.collation && typeof options.collation === 'object') {
+    if (capabilities && capabilities.commandsTakeCollation) {
+      command.collation = options.collation;
+    } else {
+      throw new MongoCompatibilityError(`Current topology does not support collation`);
+    }
+  }
+}
+
+/**
+ * Applies a read concern to a given command.
+ * @internal
+ *
+ * @param command - the command on which to apply the read concern
+ * @param coll - the parent collection of the operation calling this method
+ */
+export function decorateWithReadConcern(
+  command: Document,
+  coll: { s: { readConcern?: ReadConcern } },
+  options?: OperationOptions
+): void {
+  if (options && options.session && options.session.inTransaction()) {
+    return;
+  }
+  const readConcern = Object.assign({}, command.readConcern || {});
+  if (coll.s.readConcern) {
+    Object.assign(readConcern, coll.s.readConcern);
+  }
+
+  if (Object.keys(readConcern).length > 0) {
+    Object.assign(command, { readConcern: readConcern });
+  }
+}
+
+/**
+ * Applies an explain to a given command.
+ * @internal
+ *
+ * @param command - the command on which to apply the explain
+ * @param options - the options containing the explain verbosity
+ */
+export function decorateWithExplain(command: Document, explain: Explain): Document {
+  if (command.explain) {
+    return command;
+  }
+
+  return { explain: command, verbosity: explain.verbosity };
+}
+
+/**
+ * @internal
+ */
+export type TopologyProvider =
+  | MongoClient
+  | ClientSession
+  | FindCursor
+  | AbstractCursor
+  | Collection<any>
+  | Db;
+
+/**
+ * A helper function to get the topology from a given provider. Throws
+ * if the topology cannot be found.
+ * @throws MongoNotConnectedError
+ * @internal
+ */
+export function getTopology(provider: TopologyProvider): Topology {
+  // MongoClient or ClientSession or AbstractCursor
+  if ('topology' in provider && provider.topology) {
+    return provider.topology;
+  } else if ('s' in provider && 'client' in provider.s && provider.s.client.topology) {
+    return provider.s.client.topology;
+  } else if ('s' in provider && 'db' in provider.s && provider.s.db.s.client.topology) {
+    return provider.s.db.s.client.topology;
+  }
+
+  throw new MongoNotConnectedError('MongoClient must be connected to perform this operation');
+}
+
+/**
+ * Default message handler for generating deprecation warnings.
+ * @internal
+ *
+ * @param name - function name
+ * @param option - option name
+ * @returns warning message
+ */
+export function defaultMsgHandler(name: string, option: string): string {
+  return `${name} option [${option}] is deprecated and will be removed in a later version.`;
+}
+
+export interface DeprecateOptionsConfig {
+  /** function name */
+  name: string;
+  /** options to deprecate */
+  deprecatedOptions: string[];
+  /** index of options object in function arguments array */
+  optionsIndex: number;
+  /** optional custom message handler to generate warnings */
+  msgHandler?(this: void, name: string, option: string): string;
+}
+
+/**
+ * Deprecates a given function's options.
+ * @internal
+ *
+ * @param this - the bound class if this is a method
+ * @param config - configuration for deprecation
+ * @param fn - the target function of deprecation
+ * @returns modified function that warns once per deprecated option, and executes original function
+ */
+export function deprecateOptions(
+  this: unknown,
+  config: DeprecateOptionsConfig,
+  fn: (...args: any[]) => any
+): any {
+  if ((process as any).noDeprecation === true) {
+    return fn;
+  }
+
+  const msgHandler = config.msgHandler ? config.msgHandler : defaultMsgHandler;
+
+  const optionsWarned = new Set();
+  function deprecated(this: any, ...args: any[]) {
+    const options = args[config.optionsIndex] as AnyOptions;
+
+    // ensure options is a valid, non-empty object, otherwise short-circuit
+    if (!isObject(options) || Object.keys(options).length === 0) {
+      return fn.bind(this)(...args); // call the function, no change
+    }
+
+    // interrupt the function call with a warning
+    for (const deprecatedOption of config.deprecatedOptions) {
+      if (deprecatedOption in options && !optionsWarned.has(deprecatedOption)) {
+        optionsWarned.add(deprecatedOption);
+        const msg = msgHandler(config.name, deprecatedOption);
+        emitWarning(msg);
+        if (this && 'getLogger' in this) {
+          const logger = this.getLogger();
+          if (logger) {
+            logger.warn(msg);
+          }
+        }
+      }
+    }
+
+    return fn.bind(this)(...args);
+  }
+
+  // These lines copied from https://github.com/nodejs/node/blob/25e5ae41688676a5fd29b2e2e7602168eee4ceb5/lib/internal/util.js#L73-L80
+  // The wrapper will keep the same prototype as fn to maintain prototype chain
+  Object.setPrototypeOf(deprecated, fn);
+  if (fn.prototype) {
+    // Setting this (rather than using Object.setPrototype, as above) ensures
+    // that calling the unwrapped constructor gives an instanceof the wrapped
+    // constructor.
+    deprecated.prototype = fn.prototype;
+  }
+
+  return deprecated;
+}
+
+/** @internal */
+export function ns(ns: string): MongoDBNamespace {
+  return MongoDBNamespace.fromString(ns);
+}
+
+/** @public */
+export class MongoDBNamespace {
+  db: string;
+  collection: string | undefined;
+  /**
+   * Create a namespace object
+   *
+   * @param db - database name
+   * @param collection - collection name
+   */
+  constructor(db: string, collection?: string) {
+    this.db = db;
+    this.collection = collection === '' ? undefined : collection;
+  }
+
+  toString(): string {
+    return this.collection ? `${this.db}.${this.collection}` : this.db;
+  }
+
+  withCollection(collection: string): MongoDBNamespace {
+    return new MongoDBNamespace(this.db, collection);
+  }
+
+  static fromString(namespace?: string): MongoDBNamespace {
+    if (typeof namespace !== 'string' || namespace === '') {
+      // TODO(NODE-3483): Replace with MongoNamespaceError
+      throw new MongoRuntimeError(`Cannot parse namespace from "${namespace}"`);
+    }
+
+    const [db, ...collectionParts] = namespace.split('.');
+    const collection = collectionParts.join('.');
+    return new MongoDBNamespace(db, collection === '' ? undefined : collection);
+  }
+}
+
+/** @internal */
+export function* makeCounter(seed = 0): Generator<number> {
+  let count = seed;
+  while (true) {
+    const newCount = count;
+    count += 1;
+    yield newCount;
+  }
+}
+
+/**
+ * Helper function for either accepting a callback, or returning a promise
+ * @internal
+ *
+ * @param callback - The last function argument in exposed method, controls if a Promise is returned
+ * @param wrapper - A function that wraps the callback
+ * @returns Returns void if a callback is supplied, else returns a Promise.
+ */
+export function maybePromise<T>(
+  callback: Callback<T> | undefined,
+  wrapper: (fn: Callback<T>) => void
+): Promise<T> | void {
+  const PromiseConstructor = PromiseProvider.get() ?? Promise;
+  let result: Promise<T> | void;
+  if (typeof callback !== 'function') {
+    result = new PromiseConstructor<any>((resolve, reject) => {
+      callback = (err, res) => {
+        if (err) return reject(err);
+        resolve(res);
+      };
+    });
+  }
+
+  wrapper((err, res) => {
+    if (err != null) {
+      try {
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        callback!(err);
+      } catch (error) {
+        process.nextTick(() => {
+          throw error;
+        });
+      }
+
+      return;
+    }
+
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    callback!(err, res);
+  });
+
+  return result;
+}
+
+/** @internal */
+export function databaseNamespace(ns: string): string {
+  return ns.split('.')[0];
+}
+
+/**
+ * Synchronously Generate a UUIDv4
+ * @internal
+ */
+export function uuidV4(): Buffer {
+  const result = crypto.randomBytes(16);
+  result[6] = (result[6] & 0x0f) | 0x40;
+  result[8] = (result[8] & 0x3f) | 0x80;
+  return result;
+}
+
+/**
+ * A helper function for determining `maxWireVersion` between legacy and new topology instances
+ * @internal
+ */
+export function maxWireVersion(topologyOrServer?: Connection | Topology | Server): number {
+  if (topologyOrServer) {
+    if (topologyOrServer.loadBalanced) {
+      // Since we do not have a monitor, we assume the load balanced server is always
+      // pointed at the latest mongodb version. There is a risk that for on-prem
+      // deployments that don't upgrade immediately that this could alert to the
+      // application that a feature is avaiable that is actually not.
+      return MAX_SUPPORTED_WIRE_VERSION;
+    }
+    if (topologyOrServer.hello) {
+      return topologyOrServer.hello.maxWireVersion;
+    }
+
+    if ('lastHello' in topologyOrServer && typeof topologyOrServer.lastHello === 'function') {
+      const lastHello = topologyOrServer.lastHello();
+      if (lastHello) {
+        return lastHello.maxWireVersion;
+      }
+    }
+
+    if (
+      topologyOrServer.description &&
+      'maxWireVersion' in topologyOrServer.description &&
+      topologyOrServer.description.maxWireVersion != null
+    ) {
+      return topologyOrServer.description.maxWireVersion;
+    }
+  }
+
+  return 0;
+}
+
+/**
+ * Checks that collation is supported by server.
+ * @internal
+ *
+ * @param server - to check against
+ * @param cmd - object where collation may be specified
+ */
+export function collationNotSupported(server: Server, cmd: Document): boolean {
+  return cmd && cmd.collation && maxWireVersion(server) < 5;
+}
+
+/**
+ * Applies the function `eachFn` to each item in `arr`, in parallel.
+ * @internal
+ *
+ * @param arr - An array of items to asynchronously iterate over
+ * @param eachFn - A function to call on each item of the array. The callback signature is `(item, callback)`, where the callback indicates iteration is complete.
+ * @param callback - The callback called after every item has been iterated
+ */
+export function eachAsync<T = Document>(
+  arr: T[],
+  eachFn: (item: T, callback: (err?: AnyError) => void) => void,
+  callback: Callback
+): void {
+  arr = arr || [];
+
+  let idx = 0;
+  let awaiting = 0;
+  for (idx = 0; idx < arr.length; ++idx) {
+    awaiting++;
+    eachFn(arr[idx], eachCallback);
+  }
+
+  if (awaiting === 0) {
+    callback();
+    return;
+  }
+
+  function eachCallback(err?: AnyError) {
+    awaiting--;
+    if (err) {
+      callback(err);
+      return;
+    }
+
+    if (idx === arr.length && awaiting <= 0) {
+      callback();
+    }
+  }
+}
+
+/** @internal */
+export function eachAsyncSeries<T = any>(
+  arr: T[],
+  eachFn: (item: T, callback: (err?: AnyError) => void) => void,
+  callback: Callback
+): void {
+  arr = arr || [];
+
+  let idx = 0;
+  let awaiting = arr.length;
+  if (awaiting === 0) {
+    callback();
+    return;
+  }
+
+  function eachCallback(err?: AnyError) {
+    idx++;
+    awaiting--;
+    if (err) {
+      callback(err);
+      return;
+    }
+
+    if (idx === arr.length && awaiting <= 0) {
+      callback();
+      return;
+    }
+
+    eachFn(arr[idx], eachCallback);
+  }
+
+  eachFn(arr[idx], eachCallback);
+}
+
+/** @internal */
+export function arrayStrictEqual(arr: unknown[], arr2: unknown[]): boolean {
+  if (!Array.isArray(arr) || !Array.isArray(arr2)) {
+    return false;
+  }
+
+  return arr.length === arr2.length && arr.every((elt, idx) => elt === arr2[idx]);
+}
+
+/** @internal */
+export function errorStrictEqual(lhs?: AnyError | null, rhs?: AnyError | null): boolean {
+  if (lhs === rhs) {
+    return true;
+  }
+
+  if (!lhs || !rhs) {
+    return lhs === rhs;
+  }
+
+  if ((lhs == null && rhs != null) || (lhs != null && rhs == null)) {
+    return false;
+  }
+
+  if (lhs.constructor.name !== rhs.constructor.name) {
+    return false;
+  }
+
+  if (lhs.message !== rhs.message) {
+    return false;
+  }
+
+  return true;
+}
+
+interface StateTable {
+  [key: string]: string[];
+}
+interface ObjectWithState {
+  s: { state: string };
+  emit(event: 'stateChanged', state: string, newState: string): void;
+}
+interface StateTransitionFunction {
+  (target: ObjectWithState, newState: string): void;
+}
+
+/** @public */
+export type EventEmitterWithState = {
+  /** @internal */
+  stateChanged(previous: string, current: string): void;
+};
+
+/** @internal */
+export function makeStateMachine(stateTable: StateTable): StateTransitionFunction {
+  return function stateTransition(target, newState) {
+    const legalStates = stateTable[target.s.state];
+    if (legalStates && legalStates.indexOf(newState) < 0) {
+      throw new MongoRuntimeError(
+        `illegal state transition from [${target.s.state}] => [${newState}], allowed: [${legalStates}]`
+      );
+    }
+
+    target.emit('stateChanged', target.s.state, newState);
+    target.s.state = newState;
+  };
+}
+
+/** @public */
+export interface ClientMetadata {
+  driver: {
+    name: string;
+    version: string;
+  };
+  os: {
+    type: string;
+    name: NodeJS.Platform;
+    architecture: string;
+    version: string;
+  };
+  platform: string;
+  version?: string;
+  application?: {
+    name: string;
+  };
+}
+
+/** @public */
+export interface ClientMetadataOptions {
+  driverInfo?: {
+    name?: string;
+    version?: string;
+    platform?: string;
+  };
+  appName?: string;
+}
+
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const NODE_DRIVER_VERSION = require('../package.json').version;
+
+export function makeClientMetadata(options?: ClientMetadataOptions): ClientMetadata {
+  options = options ?? {};
+
+  const metadata: ClientMetadata = {
+    driver: {
+      name: 'nodejs',
+      version: NODE_DRIVER_VERSION
+    },
+    os: {
+      type: os.type(),
+      name: process.platform,
+      architecture: process.arch,
+      version: os.release()
+    },
+    platform: `Node.js ${process.version}, ${os.endianness()} (unified)`
+  };
+
+  // support optionally provided wrapping driver info
+  if (options.driverInfo) {
+    if (options.driverInfo.name) {
+      metadata.driver.name = `${metadata.driver.name}|${options.driverInfo.name}`;
+    }
+
+    if (options.driverInfo.version) {
+      metadata.version = `${metadata.driver.version}|${options.driverInfo.version}`;
+    }
+
+    if (options.driverInfo.platform) {
+      metadata.platform = `${metadata.platform}|${options.driverInfo.platform}`;
+    }
+  }
+
+  if (options.appName) {
+    // MongoDB requires the appName not exceed a byte length of 128
+    const buffer = Buffer.from(options.appName);
+    metadata.application = {
+      name: buffer.byteLength > 128 ? buffer.slice(0, 128).toString('utf8') : options.appName
+    };
+  }
+
+  return metadata;
+}
+
+/** @internal */
+export function now(): number {
+  const hrtime = process.hrtime();
+  return Math.floor(hrtime[0] * 1000 + hrtime[1] / 1000000);
+}
+
+/** @internal */
+export function calculateDurationInMs(started: number): number {
+  if (typeof started !== 'number') {
+    throw new MongoInvalidArgumentError('Numeric value required to calculate duration');
+  }
+
+  const elapsed = now() - started;
+  return elapsed < 0 ? 0 : elapsed;
+}
+
+/** @internal */
+export function hasAtomicOperators(doc: Document | Document[]): boolean {
+  if (Array.isArray(doc)) {
+    for (const document of doc) {
+      if (hasAtomicOperators(document)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  const keys = Object.keys(doc);
+  return keys.length > 0 && keys[0][0] === '$';
+}
+
+/**
+ * Merge inherited properties from parent into options, prioritizing values from options,
+ * then values from parent.
+ * @internal
+ */
+export function resolveOptions<T extends CommandOperationOptions>(
+  parent: OperationParent | undefined,
+  options?: T
+): T {
+  const result: T = Object.assign({}, options, resolveBSONOptions(options, parent));
+
+  // Users cannot pass a readConcern/writeConcern to operations in a transaction
+  const session = options?.session;
+  if (!session?.inTransaction()) {
+    const readConcern = ReadConcern.fromOptions(options) ?? parent?.readConcern;
+    if (readConcern) {
+      result.readConcern = readConcern;
+    }
+
+    const writeConcern = WriteConcern.fromOptions(options) ?? parent?.writeConcern;
+    if (writeConcern) {
+      result.writeConcern = writeConcern;
+    }
+  }
+
+  const readPreference = ReadPreference.fromOptions(options) ?? parent?.readPreference;
+  if (readPreference) {
+    result.readPreference = readPreference;
+  }
+
+  return result;
+}
+
+export function isSuperset(set: Set<any> | any[], subset: Set<any> | any[]): boolean {
+  set = Array.isArray(set) ? new Set(set) : set;
+  subset = Array.isArray(subset) ? new Set(subset) : subset;
+  for (const elem of subset) {
+    if (!set.has(elem)) {
+      return false;
+    }
+  }
+  return true;
+}
+
+/**
+ * Checks if the document is a Hello request
+ * @internal
+ */
+export function isHello(doc: Document): boolean {
+  return doc[LEGACY_HELLO_COMMAND] || doc.hello ? true : false;
+}
+
+/** Returns the items that are uniquely in setA */
+export function setDifference<T>(setA: Iterable<T>, setB: Iterable<T>): Set<T> {
+  const difference = new Set<T>(setA);
+  for (const elem of setB) {
+    difference.delete(elem);
+  }
+  return difference;
+}
+
+const HAS_OWN = (object: unknown, prop: string) =>
+  Object.prototype.hasOwnProperty.call(object, prop);
+
+export function isRecord<T extends readonly string[]>(
+  value: unknown,
+  requiredKeys: T
+): value is Record<T[number], any>;
+export function isRecord(value: unknown): value is Record<string, any>;
+export function isRecord(
+  value: unknown,
+  requiredKeys: string[] | undefined = undefined
+): value is Record<string, any> {
+  if (!isObject(value)) {
+    return false;
+  }
+
+  const ctor = (value as any).constructor;
+  if (ctor && ctor.prototype) {
+    if (!isObject(ctor.prototype)) {
+      return false;
+    }
+
+    // Check to see if some method exists from the Object exists
+    if (!HAS_OWN(ctor.prototype, 'isPrototypeOf')) {
+      return false;
+    }
+  }
+
+  if (requiredKeys) {
+    const keys = Object.keys(value as Record<string, any>);
+    return isSuperset(keys, requiredKeys);
+  }
+
+  return true;
+}
+
+/**
+ * Make a deep copy of an object
+ *
+ * NOTE: This is not meant to be the perfect implementation of a deep copy,
+ * but instead something that is good enough for the purposes of
+ * command monitoring.
+ */
+export function deepCopy<T>(value: T): T {
+  if (value == null) {
+    return value;
+  } else if (Array.isArray(value)) {
+    return value.map(item => deepCopy(item)) as unknown as T;
+  } else if (isRecord(value)) {
+    const res = {} as any;
+    for (const key in value) {
+      res[key] = deepCopy(value[key]);
+    }
+    return res;
+  }
+
+  const ctor = (value as any).constructor;
+  if (ctor) {
+    switch (ctor.name.toLowerCase()) {
+      case 'date':
+        return new ctor(Number(value));
+      case 'map':
+        return new Map(value as any) as unknown as T;
+      case 'set':
+        return new Set(value as any) as unknown as T;
+      case 'buffer':
+        return Buffer.from(value as unknown as Buffer) as unknown as T;
+    }
+  }
+
+  return value;
+}
+
+/** @internal */
+const kBuffers = Symbol('buffers');
+/** @internal */
+const kLength = Symbol('length');
+
+/**
+ * A pool of Buffers which allow you to read them as if they were one
+ * @internal
+ */
+export class BufferPool {
+  [kBuffers]: Buffer[];
+  [kLength]: number;
+
+  constructor() {
+    this[kBuffers] = [];
+    this[kLength] = 0;
+  }
+
+  get length(): number {
+    return this[kLength];
+  }
+
+  /** Adds a buffer to the internal buffer pool list */
+  append(buffer: Buffer): void {
+    this[kBuffers].push(buffer);
+    this[kLength] += buffer.length;
+  }
+
+  /** Returns the requested number of bytes without consuming them */
+  peek(size: number): Buffer {
+    return this.read(size, false);
+  }
+
+  /** Reads the requested number of bytes, optionally consuming them */
+  read(size: number, consume = true): Buffer {
+    if (typeof size !== 'number' || size < 0) {
+      throw new MongoInvalidArgumentError('Argument "size" must be a non-negative number');
+    }
+
+    if (size > this[kLength]) {
+      return Buffer.alloc(0);
+    }
+
+    let result: Buffer;
+
+    // read the whole buffer
+    if (size === this.length) {
+      result = Buffer.concat(this[kBuffers]);
+
+      if (consume) {
+        this[kBuffers] = [];
+        this[kLength] = 0;
+      }
+    }
+
+    // size is within first buffer, no need to concat
+    else if (size <= this[kBuffers][0].length) {
+      result = this[kBuffers][0].slice(0, size);
+      if (consume) {
+        this[kBuffers][0] = this[kBuffers][0].slice(size);
+        this[kLength] -= size;
+      }
+    }
+
+    // size is beyond first buffer, need to track and copy
+    else {
+      result = Buffer.allocUnsafe(size);
+
+      let idx;
+      let offset = 0;
+      let bytesToCopy = size;
+      for (idx = 0; idx < this[kBuffers].length; ++idx) {
+        let bytesCopied;
+        if (bytesToCopy > this[kBuffers][idx].length) {
+          bytesCopied = this[kBuffers][idx].copy(result, offset, 0);
+          offset += bytesCopied;
+        } else {
+          bytesCopied = this[kBuffers][idx].copy(result, offset, 0, bytesToCopy);
+          if (consume) {
+            this[kBuffers][idx] = this[kBuffers][idx].slice(bytesCopied);
+          }
+          offset += bytesCopied;
+          break;
+        }
+
+        bytesToCopy -= bytesCopied;
+      }
+
+      // compact the internal buffer array
+      if (consume) {
+        this[kBuffers] = this[kBuffers].slice(idx);
+        this[kLength] -= size;
+      }
+    }
+
+    return result;
+  }
+}
+
+/** @public */
+export class HostAddress {
+  host: string | undefined = undefined;
+  port: number | undefined = undefined;
+  socketPath: string | undefined = undefined;
+  isIPv6 = false;
+
+  constructor(hostString: string) {
+    const escapedHost = hostString.split(' ').join('%20'); // escape spaces, for socket path hosts
+
+    if (escapedHost.endsWith('.sock')) {
+      // heuristically determine if we're working with a domain socket
+      this.socketPath = decodeURIComponent(escapedHost);
+      return;
+    }
+
+    const urlString = `iLoveJS://${escapedHost}`;
+    let url;
+    try {
+      url = new URL(urlString);
+    } catch (urlError) {
+      const runtimeError = new MongoRuntimeError(`Unable to parse ${escapedHost} with URL`);
+      runtimeError.cause = urlError;
+      throw runtimeError;
+    }
+
+    const hostname = url.hostname;
+    const port = url.port;
+
+    let normalized = decodeURIComponent(hostname).toLowerCase();
+    if (normalized.startsWith('[') && normalized.endsWith(']')) {
+      this.isIPv6 = true;
+      normalized = normalized.substring(1, hostname.length - 1);
+    }
+
+    this.host = normalized.toLowerCase();
+
+    if (typeof port === 'number') {
+      this.port = port;
+    } else if (typeof port === 'string' && port !== '') {
+      this.port = Number.parseInt(port, 10);
+    } else {
+      this.port = 27017;
+    }
+
+    if (this.port === 0) {
+      throw new MongoParseError('Invalid port (zero) with hostname');
+    }
+    Object.freeze(this);
+  }
+
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    return `new HostAddress('${this.toString()}')`;
+  }
+
+  toString(): string {
+    if (typeof this.host === 'string') {
+      if (this.isIPv6) {
+        return `[${this.host}]:${this.port}`;
+      }
+      return `${this.host}:${this.port}`;
+    }
+    return `${this.socketPath}`;
+  }
+
+  static fromString(this: void, s: string): HostAddress {
+    return new HostAddress(s);
+  }
+
+  static fromHostPort(host: string, port: number): HostAddress {
+    if (host.includes(':')) {
+      host = `[${host}]`; // IPv6 address
+    }
+    return HostAddress.fromString(`${host}:${port}`);
+  }
+
+  static fromSrvRecord({ name, port }: SrvRecord): HostAddress {
+    return HostAddress.fromHostPort(name, port);
+  }
+}
+
+export const DEFAULT_PK_FACTORY = {
+  // We prefer not to rely on ObjectId having a createPk method
+  createPk(): ObjectId {
+    return new ObjectId();
+  }
+};
+
+/**
+ * When the driver used emitWarning the code will be equal to this.
+ * @public
+ *
+ * @example
+ * ```ts
+ * process.on('warning', (warning) => {
+ *  if (warning.code === MONGODB_WARNING_CODE) console.error('Ah an important warning! :)')
+ * })
+ * ```
+ */
+export const MONGODB_WARNING_CODE = 'MONGODB DRIVER' as const;
+
+/** @internal */
+export function emitWarning(message: string): void {
+  return process.emitWarning(message, { code: MONGODB_WARNING_CODE } as any);
+}
+
+const emittedWarnings = new Set();
+/**
+ * Will emit a warning once for the duration of the application.
+ * Uses the message to identify if it has already been emitted
+ * so using string interpolation can cause multiple emits
+ * @internal
+ */
+export function emitWarningOnce(message: string): void {
+  if (!emittedWarnings.has(message)) {
+    emittedWarnings.add(message);
+    return emitWarning(message);
+  }
+}
+
+/**
+ * Takes a JS object and joins the values into a string separated by ', '
+ */
+export function enumToString(en: Record<string, unknown>): string {
+  return Object.values(en).join(', ');
+}
+
+/**
+ * Determine if a server supports retryable writes.
+ *
+ * @internal
+ */
+export function supportsRetryableWrites(server?: Server): boolean {
+  if (!server) {
+    return false;
+  }
+
+  if (server.loadBalanced) {
+    // Loadbalanced topologies will always support retry writes
+    return true;
+  }
+
+  if (server.description.logicalSessionTimeoutMinutes != null) {
+    // that supports sessions
+    if (server.description.type !== ServerType.Standalone) {
+      // and that is not a standalone
+      return true;
+    }
+  }
+
+  return false;
+}
+
+export function parsePackageVersion({ version }: { version: string }): {
+  major: number;
+  minor: number;
+  patch: number;
+} {
+  const [major, minor, patch] = version.split('.').map((n: string) => Number.parseInt(n, 10));
+  return { major, minor, patch };
+}
+
+/**
+ * Fisher–Yates Shuffle
+ *
+ * Reference: https://bost.ocks.org/mike/shuffle/
+ * @param sequence - items to be shuffled
+ * @param limit - Defaults to `0`. If nonzero shuffle will slice the randomized array e.g, `.slice(0, limit)` otherwise will return the entire randomized array.
+ */
+export function shuffle<T>(sequence: Iterable<T>, limit = 0): Array<T> {
+  const items = Array.from(sequence); // shallow copy in order to never shuffle the input
+
+  if (limit > items.length) {
+    throw new MongoRuntimeError('Limit must be less than the number of items');
+  }
+
+  let remainingItemsToShuffle = items.length;
+  const lowerBound = limit % items.length === 0 ? 1 : items.length - limit;
+  while (remainingItemsToShuffle > lowerBound) {
+    // Pick a remaining element
+    const randomIndex = Math.floor(Math.random() * remainingItemsToShuffle);
+    remainingItemsToShuffle -= 1;
+
+    // And swap it with the current element
+    const swapHold = items[remainingItemsToShuffle];
+    items[remainingItemsToShuffle] = items[randomIndex];
+    items[randomIndex] = swapHold;
+  }
+
+  return limit % items.length === 0 ? items : items.slice(lowerBound);
+}
+
+// TODO: this should be codified in command construction
+// @see https://github.com/mongodb/specifications/blob/master/source/read-write-concern/read-write-concern.rst#read-concern
+export function commandSupportsReadConcern(command: Document, options?: Document): boolean {
+  if (command.aggregate || command.count || command.distinct || command.find || command.geoNear) {
+    return true;
+  }
+
+  if (
+    command.mapReduce &&
+    options &&
+    options.out &&
+    (options.out.inline === 1 || options.out === 'inline')
+  ) {
+    return true;
+  }
+
+  return false;
+}
+
+/** A utility function to get the instance of mongodb-client-encryption, if it exists. */
+export function getMongoDBClientEncryption(): {
+  extension: (mdb: unknown) => {
+    AutoEncrypter: any;
+    ClientEncryption: any;
+  };
+} | null {
+  let mongodbClientEncryption = null;
+
+  // NOTE(NODE-4254): This is to get around the circular dependency between
+  // mongodb-client-encryption and the driver in the test scenarios.
+  if (
+    typeof process.env.MONGODB_CLIENT_ENCRYPTION_OVERRIDE === 'string' &&
+    process.env.MONGODB_CLIENT_ENCRYPTION_OVERRIDE.length > 0
+  ) {
+    try {
+      // NOTE(NODE-3199): Ensure you always wrap an optional require literally in the try block
+      // Cannot be moved to helper utility function, bundlers search and replace the actual require call
+      // in a way that makes this line throw at bundle time, not runtime, catching here will make bundling succeed
+      mongodbClientEncryption = require(process.env.MONGODB_CLIENT_ENCRYPTION_OVERRIDE);
+    } catch {
+      // ignore
+    }
+  } else {
+    try {
+      // NOTE(NODE-3199): Ensure you always wrap an optional require literally in the try block
+      // Cannot be moved to helper utility function, bundlers search and replace the actual require call
+      // in a way that makes this line throw at bundle time, not runtime, catching here will make bundling succeed
+      mongodbClientEncryption = require('mongodb-client-encryption');
+    } catch {
+      // ignore
+    }
+  }
+
+  return mongodbClientEncryption;
+}
+
+/**
+ * Compare objectIds. `null` is always less
+ * - `+1 = oid1 is greater than oid2`
+ * - `-1 = oid1 is less than oid2`
+ * - `+0 = oid1 is equal oid2`
+ */
+export function compareObjectId(oid1?: ObjectId, oid2?: ObjectId): 0 | 1 | -1 {
+  if (oid1 == null && oid2 == null) {
+    return 0;
+  }
+
+  if (oid1 == null) {
+    return -1;
+  }
+
+  if (oid2 == null) {
+    return 1;
+  }
+
+  return oid1.id.compare(oid2.id);
+}
diff --git a/node_modules/mongodb/src/write_concern.ts b/node_modules/mongodb/src/write_concern.ts
new file mode 100644
index 000000000..ebc77ebf6
--- /dev/null
+++ b/node_modules/mongodb/src/write_concern.ts
@@ -0,0 +1,114 @@
+/** @public */
+export type W = number | 'majority';
+
+/** @public */
+export interface WriteConcernOptions {
+  /** Write Concern as an object */
+  writeConcern?: WriteConcern | WriteConcernSettings;
+}
+
+/** @public */
+export interface WriteConcernSettings {
+  /** The write concern */
+  w?: W;
+  /** The write concern timeout */
+  wtimeoutMS?: number;
+  /** The journal write concern */
+  journal?: boolean;
+
+  // legacy options
+  /** The journal write concern */
+  j?: boolean;
+  /** The write concern timeout */
+  wtimeout?: number;
+  /** The file sync write concern */
+  fsync?: boolean | 1;
+}
+
+export const WRITE_CONCERN_KEYS = ['w', 'wtimeout', 'j', 'journal', 'fsync'];
+
+/**
+ * A MongoDB WriteConcern, which describes the level of acknowledgement
+ * requested from MongoDB for write operations.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/reference/write-concern/
+ */
+export class WriteConcern {
+  /** request acknowledgment that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags. */
+  w?: W;
+  /** specify a time limit to prevent write operations from blocking indefinitely */
+  wtimeout?: number;
+  /** request acknowledgment that the write operation has been written to the on-disk journal */
+  j?: boolean;
+  /** equivalent to the j option */
+  fsync?: boolean | 1;
+
+  /**
+   * Constructs a WriteConcern from the write concern properties.
+   * @param w - request acknowledgment that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags.
+   * @param wtimeout - specify a time limit to prevent write operations from blocking indefinitely
+   * @param j - request acknowledgment that the write operation has been written to the on-disk journal
+   * @param fsync - equivalent to the j option
+   */
+  constructor(w?: W, wtimeout?: number, j?: boolean, fsync?: boolean | 1) {
+    if (w != null) {
+      if (!Number.isNaN(Number(w))) {
+        this.w = Number(w);
+      } else {
+        this.w = w;
+      }
+    }
+    if (wtimeout != null) {
+      this.wtimeout = wtimeout;
+    }
+    if (j != null) {
+      this.j = j;
+    }
+    if (fsync != null) {
+      this.fsync = fsync;
+    }
+  }
+
+  /** Construct a WriteConcern given an options object. */
+  static fromOptions(
+    options?: WriteConcernOptions | WriteConcern | W,
+    inherit?: WriteConcernOptions | WriteConcern
+  ): WriteConcern | undefined {
+    if (options == null) return undefined;
+    inherit = inherit ?? {};
+    let opts: WriteConcernSettings | WriteConcern | undefined;
+    if (typeof options === 'string' || typeof options === 'number') {
+      opts = { w: options };
+    } else if (options instanceof WriteConcern) {
+      opts = options;
+    } else {
+      opts = options.writeConcern;
+    }
+    const parentOpts: WriteConcern | WriteConcernSettings | undefined =
+      inherit instanceof WriteConcern ? inherit : inherit.writeConcern;
+
+    const {
+      w = undefined,
+      wtimeout = undefined,
+      j = undefined,
+      fsync = undefined,
+      journal = undefined,
+      wtimeoutMS = undefined
+    } = {
+      ...parentOpts,
+      ...opts
+    };
+    if (
+      w != null ||
+      wtimeout != null ||
+      wtimeoutMS != null ||
+      j != null ||
+      journal != null ||
+      fsync != null
+    ) {
+      return new WriteConcern(w, wtimeout ?? wtimeoutMS, j ?? journal, fsync);
+    }
+    return undefined;
+  }
+}
diff --git a/node_modules/mongodb/tsconfig.json b/node_modules/mongodb/tsconfig.json
new file mode 100644
index 000000000..a2724c494
--- /dev/null
+++ b/node_modules/mongodb/tsconfig.json
@@ -0,0 +1,40 @@
+{
+  "compilerOptions": {
+    "allowJs": false,
+    "checkJs": false,
+    "strict": true,
+    "alwaysStrict": true,
+    "target": "ES2019",
+    "module": "commonJS",
+    "moduleResolution": "node",
+    "skipLibCheck": true,
+    "lib": ["es2020"],
+    // We don't make use of tslib helpers, all syntax used is supported by target engine
+    "importHelpers": false,
+    "noEmitHelpers": true,
+    // Never emit error filled code
+    "noEmitOnError": true,
+    "outDir": "lib",
+    "importsNotUsedAsValues": "error",
+    // We want the sourcemaps in a separate file
+    "inlineSourceMap": false,
+    "sourceMap": true,
+    // API-Extractor uses declaration maps to report problems in source, no need to distribute
+    "declaration": true,
+    "declarationMap": true,
+    // we include sources in the release
+    "inlineSources": false,
+    // Prevents web types from being suggested by vscode.
+    "types": ["node"],
+    "forceConsistentCasingInFileNames": true,
+    "noImplicitOverride": true,
+    "noImplicitReturns": true,
+    // TODO(NODE-3659): Enable useUnknownInCatchVariables and add type assertions or remove unnecessary catch blocks
+    "useUnknownInCatchVariables": false
+  },
+  "ts-node": {
+    "transpileOnly": true,
+    "compiler": "typescript-cached-transpile"
+  },
+  "include": ["src/**/*"]
+}
diff --git a/node_modules/mongoose/.eslintrc.json b/node_modules/mongoose/.eslintrc.json
new file mode 100644
index 000000000..589be0e17
--- /dev/null
+++ b/node_modules/mongoose/.eslintrc.json
@@ -0,0 +1,193 @@
+{
+  "extends": [
+    "eslint:recommended"
+  ],
+  "ignorePatterns": [
+    "docs",
+    "tools",
+    "dist",
+    "website.js",
+    "test/files/*",
+    "benchmarks"
+  ],
+  "overrides": [
+    {
+      "files": [
+        "**/*.{ts,tsx}"
+      ],
+      "extends": [
+        "plugin:@typescript-eslint/eslint-recommended",
+        "plugin:@typescript-eslint/recommended"
+      ],
+      "plugins": [
+        "@typescript-eslint"
+      ],
+      "rules": {
+        "@typescript-eslint/triple-slash-reference": "off",
+        "@typescript-eslint/no-non-null-assertion": "off",
+        "spaced-comment": [
+          "error",
+          "always",
+          {
+            "block": {
+              "markers": [
+                "!"
+              ],
+              "balanced": true
+            },
+            "markers": [
+              "/"
+            ]
+          }
+        ],
+        "@typescript-eslint/no-explicit-any": "off",
+        "@typescript-eslint/ban-types": "off",
+        "@typescript-eslint/no-unused-vars": "off",
+        "@typescript-eslint/explicit-module-boundary-types": "off",
+        "@typescript-eslint/indent": [
+          "error",
+          2,
+          {
+            "SwitchCase": 1
+          }
+        ],
+        "@typescript-eslint/prefer-optional-chain": "error",
+        "@typescript-eslint/brace-style": "error",
+        "@typescript-eslint/no-dupe-class-members": "error",
+        "@typescript-eslint/no-redeclare": "error",
+        "@typescript-eslint/type-annotation-spacing": "error",
+        "@typescript-eslint/object-curly-spacing": [
+          "error",
+          "always"
+        ],
+        "@typescript-eslint/semi": "error",
+        "@typescript-eslint/space-before-function-paren": [
+          "error",
+          "never"
+        ],
+        "@typescript-eslint/space-infix-ops": "off"
+      }
+    }
+  ],
+  "plugins": [
+    "mocha-no-only"
+  ],
+  "parserOptions": {
+    "ecmaVersion": 2020
+  },
+  "env": {
+    "node": true,
+    "es6": true
+  },
+  "rules": {
+    "comma-style": "error",
+    "indent": [
+      "error",
+      2,
+      {
+        "SwitchCase": 1,
+        "VariableDeclarator": 2
+      }
+    ],
+    "keyword-spacing": "error",
+    "no-whitespace-before-property": "error",
+    "no-buffer-constructor": "warn",
+    "no-console": "off",
+    "no-constant-condition": "off",
+    "no-multi-spaces": "error",
+    "func-call-spacing": "error",
+    "no-trailing-spaces": "error",
+    "no-undef": "error",
+    "no-unneeded-ternary": "error",
+    "no-const-assign": "error",
+    "no-useless-rename": "error",
+    "no-dupe-keys": "error",
+    "space-in-parens": [
+      "error",
+      "never"
+    ],
+    "spaced-comment": [
+      "error",
+      "always",
+      {
+        "block": {
+          "markers": [
+            "!"
+          ],
+          "balanced": true
+        }
+      }
+    ],
+    "key-spacing": [
+      "error",
+      {
+        "beforeColon": false,
+        "afterColon": true
+      }
+    ],
+    "comma-spacing": [
+      "error",
+      {
+        "before": false,
+        "after": true
+      }
+    ],
+    "array-bracket-spacing": 1,
+    "arrow-spacing": [
+      "error",
+      {
+        "before": true,
+        "after": true
+      }
+    ],
+    "object-curly-spacing": [
+      "error",
+      "always"
+    ],
+    "comma-dangle": [
+      "error",
+      "never"
+    ],
+    "no-unreachable": "error",
+    "quotes": [
+      "error",
+      "single"
+    ],
+    "quote-props": [
+      "error",
+      "as-needed"
+    ],
+    "semi": "error",
+    "no-extra-semi": "error",
+    "semi-spacing": "error",
+    "no-spaced-func": "error",
+    "no-throw-literal": "error",
+    "space-before-blocks": "error",
+    "space-before-function-paren": [
+      "error",
+      "never"
+    ],
+    "space-infix-ops": "error",
+    "space-unary-ops": "error",
+    "no-var": "warn",
+    "prefer-const": "warn",
+    "strict": [
+      "error",
+      "global"
+    ],
+    "no-restricted-globals": [
+      "error",
+      {
+        "name": "context",
+        "message": "Don't use Mocha's global context"
+      }
+    ],
+    "no-prototype-builtins": "off",
+    "mocha-no-only/mocha-no-only": [
+      "error"
+    ],
+    "no-empty": "off",
+    "eol-last": "warn",
+    "no-multiple-empty-lines": ["warn", { "max": 2 }]
+  }
+}
diff --git a/node_modules/mongoose/.mocharc.yml b/node_modules/mongoose/.mocharc.yml
new file mode 100644
index 000000000..1810d04bb
--- /dev/null
+++ b/node_modules/mongoose/.mocharc.yml
@@ -0,0 +1,2 @@
+reporter: spec # better to identify failing / slow tests than "dot"
+ui: bdd # explicitly setting, even though it is mocha default
diff --git a/node_modules/mongoose/LICENSE.md b/node_modules/mongoose/LICENSE.md
new file mode 100644
index 000000000..54b4a4c6c
--- /dev/null
+++ b/node_modules/mongoose/LICENSE.md
@@ -0,0 +1,22 @@
+# MIT License
+
+Copyright (c) 2010-2013 LearnBoost <dev@learnboost.com>
+Copyright (c) 2013-2021 Automattic
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/mongoose/README.md b/node_modules/mongoose/README.md
new file mode 100644
index 000000000..60da3ccde
--- /dev/null
+++ b/node_modules/mongoose/README.md
@@ -0,0 +1,366 @@
+# Mongoose
+
+Mongoose is a [MongoDB](https://www.mongodb.org/) object modeling tool designed to work in an asynchronous environment. Mongoose supports both promises and callbacks.
+
+[![Slack Status](https://img.shields.io/badge/slack-mongoosejsteam-34D058.svg?logo=slack )](https://mongoosejsteam.slack.com)
+[![Build Status](https://github.com/Automattic/mongoose/workflows/Test/badge.svg)](https://github.com/Automattic/mongoose)
+[![NPM version](https://badge.fury.io/js/mongoose.svg)](http://badge.fury.io/js/mongoose)
+
+[![npm](https://nodei.co/npm/mongoose.png)](https://www.npmjs.com/package/mongoose)
+
+## Documentation
+
+The official documentation website is [mongoosejs.com](http://mongoosejs.com/).
+
+Mongoose 6.0.0 was released on August 24, 2021. You can find more details on [backwards breaking changes in 6.0.0 on our docs site](https://mongoosejs.com/docs/migrating_to_6.html).
+
+## Support
+
+  - [Stack Overflow](http://stackoverflow.com/questions/tagged/mongoose)
+  - [Bug Reports](https://github.com/Automattic/mongoose/issues/)
+  - [Mongoose Slack Channel](http://slack.mongoosejs.io/)
+  - [Help Forum](http://groups.google.com/group/mongoose-orm)
+  - [MongoDB Support](https://docs.mongodb.org/manual/support/)
+
+## Plugins
+
+Check out the [plugins search site](http://plugins.mongoosejs.io/) to see hundreds of related modules from the community. Next, learn how to write your own plugin from the [docs](http://mongoosejs.com/docs/plugins.html) or [this blog post](http://thecodebarbarian.com/2015/03/06/guide-to-mongoose-plugins).
+
+## Contributors
+
+Pull requests are always welcome! Please base pull requests against the `master`
+branch and follow the [contributing guide](https://github.com/Automattic/mongoose/blob/master/CONTRIBUTING.md).
+
+If your pull requests makes documentation changes, please do **not**
+modify any `.html` files. The `.html` files are compiled code, so please make
+your changes in `docs/*.pug`, `lib/*.js`, or `test/docs/*.js`.
+
+View all 400+ [contributors](https://github.com/Automattic/mongoose/graphs/contributors).
+
+## Installation
+
+First install [Node.js](http://nodejs.org/) and [MongoDB](https://www.mongodb.org/downloads). Then:
+
+```sh
+$ npm install mongoose
+```
+
+## Importing
+
+```javascript
+// Using Node.js `require()`
+const mongoose = require('mongoose');
+
+// Using ES6 imports
+import mongoose from 'mongoose';
+```
+
+## Mongoose for Enterprise
+
+Available as part of the Tidelift Subscription
+
+The maintainers of mongoose and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-mongoose?utm_source=npm-mongoose&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)
+
+## Overview
+
+### Connecting to MongoDB
+
+First, we need to define a connection. If your app uses only one database, you should use `mongoose.connect`. If you need to create additional connections, use `mongoose.createConnection`.
+
+Both `connect` and `createConnection` take a `mongodb://` URI, or the parameters `host, database, port, options`.
+
+```js
+await mongoose.connect('mongodb://localhost/my_database');
+```
+
+Once connected, the `open` event is fired on the `Connection` instance. If you're using `mongoose.connect`, the `Connection` is `mongoose.connection`. Otherwise, `mongoose.createConnection` return value is a `Connection`.
+
+**Note:** _If the local connection fails then try using 127.0.0.1 instead of localhost. Sometimes issues may arise when the local hostname has been changed._
+
+**Important!** Mongoose buffers all the commands until it's connected to the database. This means that you don't have to wait until it connects to MongoDB in order to define models, run queries, etc.
+
+### Defining a Model
+
+Models are defined through the `Schema` interface.
+
+```js
+const Schema = mongoose.Schema;
+const ObjectId = Schema.ObjectId;
+
+const BlogPost = new Schema({
+  author: ObjectId,
+  title: String,
+  body: String,
+  date: Date
+});
+```
+
+Aside from defining the structure of your documents and the types of data you're storing, a Schema handles the definition of:
+
+* [Validators](http://mongoosejs.com/docs/validation.html) (async and sync)
+* [Defaults](http://mongoosejs.com/docs/api.html#schematype_SchemaType-default)
+* [Getters](http://mongoosejs.com/docs/api.html#schematype_SchemaType-get)
+* [Setters](http://mongoosejs.com/docs/api.html#schematype_SchemaType-set)
+* [Indexes](http://mongoosejs.com/docs/guide.html#indexes)
+* [Middleware](http://mongoosejs.com/docs/middleware.html)
+* [Methods](http://mongoosejs.com/docs/guide.html#methods) definition
+* [Statics](http://mongoosejs.com/docs/guide.html#statics) definition
+* [Plugins](http://mongoosejs.com/docs/plugins.html)
+* [pseudo-JOINs](http://mongoosejs.com/docs/populate.html)
+
+The following example shows some of these features:
+
+```js
+const Comment = new Schema({
+  name: { type: String, default: 'hahaha' },
+  age: { type: Number, min: 18, index: true },
+  bio: { type: String, match: /[a-z]/ },
+  date: { type: Date, default: Date.now },
+  buff: Buffer
+});
+
+// a setter
+Comment.path('name').set(function (v) {
+  return capitalize(v);
+});
+
+// middleware
+Comment.pre('save', function (next) {
+  notify(this.get('email'));
+  next();
+});
+```
+
+Take a look at the example in [`examples/schema/schema.js`](https://github.com/Automattic/mongoose/blob/master/examples/schema/schema.js) for an end-to-end example of a typical setup.
+
+### Accessing a Model
+
+Once we define a model through `mongoose.model('ModelName', mySchema)`, we can access it through the same function
+
+```js
+const MyModel = mongoose.model('ModelName');
+```
+
+Or just do it all at once
+
+```js
+const MyModel = mongoose.model('ModelName', mySchema);
+```
+
+The first argument is the _singular_ name of the collection your model is for. **Mongoose automatically looks for the _plural_ version of your model name.** For example, if you use
+
+```js
+const MyModel = mongoose.model('Ticket', mySchema);
+```
+
+Then `MyModel` will use the __tickets__ collection, not the __ticket__ collection. For more details read the [model docs](https://mongoosejs.com/docs/api/mongoose.html#mongoose_Mongoose-model).
+
+Once we have our model, we can then instantiate it, and save it:
+
+```js
+const instance = new MyModel();
+instance.my.key = 'hello';
+instance.save(function (err) {
+  //
+});
+```
+
+Or we can find documents from the same collection
+
+```js
+MyModel.find({}, function (err, docs) {
+  // docs.forEach
+});
+```
+
+You can also `findOne`, `findById`, `update`, etc.
+
+```js
+const instance = await MyModel.findOne({ ... });
+console.log(instance.my.key);  // 'hello'
+```
+
+For more details check out [the docs](http://mongoosejs.com/docs/queries.html).
+
+**Important!** If you opened a separate connection using `mongoose.createConnection()` but attempt to access the model through `mongoose.model('ModelName')` it will not work as expected since it is not hooked up to an active db connection. In this case access your model through the connection you created:
+
+```js
+const conn = mongoose.createConnection('your connection string');
+const MyModel = conn.model('ModelName', schema);
+const m = new MyModel;
+m.save(); // works
+```
+
+vs
+
+```js
+const conn = mongoose.createConnection('your connection string');
+const MyModel = mongoose.model('ModelName', schema);
+const m = new MyModel;
+m.save(); // does not work b/c the default connection object was never connected
+```
+
+### Embedded Documents
+
+In the first example snippet, we defined a key in the Schema that looks like:
+
+```
+comments: [Comment]
+```
+
+Where `Comment` is a `Schema` we created. This means that creating embedded documents is as simple as:
+
+```js
+// retrieve my model
+const BlogPost = mongoose.model('BlogPost');
+
+// create a blog post
+const post = new BlogPost();
+
+// create a comment
+post.comments.push({ title: 'My comment' });
+
+post.save(function (err) {
+  if (!err) console.log('Success!');
+});
+```
+
+The same goes for removing them:
+
+```js
+BlogPost.findById(myId, function (err, post) {
+  if (!err) {
+    post.comments[0].remove();
+    post.save(function (err) {
+      // do something
+    });
+  }
+});
+```
+
+Embedded documents enjoy all the same features as your models. Defaults, validators, middleware. Whenever an error occurs, it's bubbled to the `save()` error callback, so error handling is a snap!
+
+
+### Middleware
+
+See the [docs](http://mongoosejs.com/docs/middleware.html) page.
+
+#### Intercepting and mutating method arguments
+
+You can intercept method arguments via middleware.
+
+For example, this would allow you to broadcast changes about your Documents every time someone `set`s a path in your Document to a new value:
+
+```js
+schema.pre('set', function (next, path, val, typel) {
+  // `this` is the current Document
+  this.emit('set', path, val);
+
+  // Pass control to the next pre
+  next();
+});
+```
+
+Moreover, you can mutate the incoming `method` arguments so that subsequent middleware see different values for those arguments. To do so, just pass the new values to `next`:
+
+```js
+.pre(method, function firstPre (next, methodArg1, methodArg2) {
+  // Mutate methodArg1
+  next("altered-" + methodArg1.toString(), methodArg2);
+});
+
+// pre declaration is chainable
+.pre(method, function secondPre (next, methodArg1, methodArg2) {
+  console.log(methodArg1);
+  // => 'altered-originalValOfMethodArg1'
+
+  console.log(methodArg2);
+  // => 'originalValOfMethodArg2'
+
+  // Passing no arguments to `next` automatically passes along the current argument values
+  // i.e., the following `next()` is equivalent to `next(methodArg1, methodArg2)`
+  // and also equivalent to, with the example method arg
+  // values, `next('altered-originalValOfMethodArg1', 'originalValOfMethodArg2')`
+  next();
+});
+```
+
+#### Schema gotcha
+
+`type`, when used in a schema has special meaning within Mongoose. If your schema requires using `type` as a nested property you must use object notation:
+
+```js
+new Schema({
+  broken: { type: Boolean },
+  asset: {
+    name: String,
+    type: String // uh oh, it broke. asset will be interpreted as String
+  }
+});
+
+new Schema({
+  works: { type: Boolean },
+  asset: {
+    name: String,
+    type: { type: String } // works. asset is an object with a type property
+  }
+});
+```
+
+### Driver Access
+
+Mongoose is built on top of the [official MongoDB Node.js driver](https://github.com/mongodb/node-mongodb-native). Each mongoose model keeps a reference to a [native MongoDB driver collection](http://mongodb.github.io/node-mongodb-native/2.1/api/Collection.html). The collection object can be accessed using `YourModel.collection`. However, using the collection object directly bypasses all mongoose features, including hooks, validation, etc. The one
+notable exception that `YourModel.collection` still buffers
+commands. As such, `YourModel.collection.find()` will **not**
+return a cursor.
+
+## API Docs
+
+Find the API docs [here](http://mongoosejs.com/docs/api.html), generated using [dox](https://github.com/tj/dox)
+and [acquit](https://github.com/vkarpov15/acquit).
+
+## Related Projects
+
+#### MongoDB Runners
+
+- [run-rs](https://www.npmjs.com/package/run-rs)
+- [mongodb-memory-server](https://www.npmjs.com/package/mongodb-memory-server)
+- [mongodb-topology-manager](https://www.npmjs.com/package/mongodb-topology-manager)
+
+#### Unofficial CLIs
+
+- [mongoosejs-cli](https://www.npmjs.com/package/mongoosejs-cli)
+
+#### Data Seeding
+
+- [dookie](https://www.npmjs.com/package/dookie)
+- [seedgoose](https://www.npmjs.com/package/seedgoose)
+- [mongoose-data-seed](https://www.npmjs.com/package/mongoose-data-seed)
+
+#### Express Session Stores
+
+- [connect-mongodb-session](https://www.npmjs.com/package/connect-mongodb-session)
+- [connect-mongo](https://www.npmjs.com/package/connect-mongo)
+
+## License
+
+Copyright (c) 2010 LearnBoost &lt;dev@learnboost.com&gt;
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/mongoose/SECURITY.md b/node_modules/mongoose/SECURITY.md
new file mode 100644
index 000000000..41b89d834
--- /dev/null
+++ b/node_modules/mongoose/SECURITY.md
@@ -0,0 +1 @@
+Please follow the instructions on [Tidelift's security page](https://tidelift.com/docs/security) to report a security issue.
diff --git a/node_modules/mongoose/browser.js b/node_modules/mongoose/browser.js
new file mode 100644
index 000000000..4cf822804
--- /dev/null
+++ b/node_modules/mongoose/browser.js
@@ -0,0 +1,8 @@
+/**
+ * Export lib/mongoose
+ *
+ */
+
+'use strict';
+
+module.exports = require('./lib/browser');
diff --git a/node_modules/mongoose/dist/browser.umd.js b/node_modules/mongoose/dist/browser.umd.js
new file mode 100644
index 000000000..e17ab5ada
--- /dev/null
+++ b/node_modules/mongoose/dist/browser.umd.js
@@ -0,0 +1,1636 @@
+!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.mongoose=e():t.mongoose=e()}("undefined"!=typeof self?self:this,(function(){return function(t){var e={};function r(n){if(e[n])return e[n].exports;var o=e[n]={i:n,l:!1,exports:{}};return t[n].call(o.exports,o,o.exports,r),o.l=!0,o.exports}return r.m=t,r.c=e,r.d=function(t,e,n){r.o(t,e)||Object.defineProperty(t,e,{enumerable:!0,get:n})},r.r=function(t){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})},r.t=function(t,e){if(1&e&&(t=r(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var o in t)r.d(n,o,function(e){return t[e]}.bind(null,o));return n},r.n=function(t){var e=t&&t.__esModule?function(){return t.default}:function(){return t};return r.d(e,"a",e),e},r.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},r.p="",r(r.s=96)}([function(t,e,r){"use strict";e.arrayAtomicsSymbol=Symbol("mongoose#Array#_atomics"),e.arrayParentSymbol=Symbol("mongoose#Array#_parent"),e.arrayPathSymbol=Symbol("mongoose#Array#_path"),e.arraySchemaSymbol=Symbol("mongoose#Array#_schema"),e.documentArrayParent=Symbol("mongoose:documentArrayParent"),e.documentIsSelected=Symbol("mongoose#Document#isSelected"),e.documentIsModified=Symbol("mongoose#Document#isModified"),e.documentModifiedPaths=Symbol("mongoose#Document#modifiedPaths"),e.documentSchemaSymbol=Symbol("mongoose#Document#schema"),e.getSymbol=Symbol("mongoose#Document#get"),e.modelSymbol=Symbol("mongoose#Model"),e.objectIdSymbol=Symbol("mongoose#ObjectId"),e.populateModelSymbol=Symbol("mongoose.PopulateOptions#Model"),e.schemaTypeSymbol=Symbol("mongoose#schemaType"),e.sessionNewDocuments=Symbol("mongoose:ClientSession#newDocuments"),e.scopeSymbol=Symbol("mongoose#Document#scope"),e.validatorErrorSymbol=Symbol("mongoose:validatorError")},function(t,e,r){"use strict";(function(t){
+/*!
+ * Module dependencies.
+ */
+function n(t,e){var r="undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(!r){if(Array.isArray(t)||(r=function(t,e){if(!t)return;if("string"==typeof t)return o(t,e);var r=Object.prototype.toString.call(t).slice(8,-1);"Object"===r&&t.constructor&&(r=t.constructor.name);if("Map"===r||"Set"===r)return Array.from(t);if("Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r))return o(t,e)}(t))||e&&t&&"number"==typeof t.length){r&&(t=r);var n=0,i=function(){};return{s:i,n:function(){return n>=t.length?{done:!0}:{done:!1,value:t[n++]}},e:function(t){throw t},f:i}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var s,a=!0,u=!1;return{s:function(){r=r.call(t)},n:function(){var t=r.next();return a=t.done,t},e:function(t){u=!0,s=t},f:function(){try{a||null==r.return||r.return()}finally{if(u)throw s}}}}function o(t,e){(null==e||e>t.length)&&(e=t.length);for(var r=0,n=new Array(e);r<e;r++)n[r]=t[r];return n}function i(t){return(i="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}var s,a=r(114),u=r(50),c=r(63),l=r(64).Buffer,f=r(20),p=r(11),h=r(117),y=r(26),d=r(22),_=r(21),v=r(67),m=r(66),b=r(31),g=r(27),w=r(72),O=r(51);function S(t){if(Array.isArray(t.populate)){var r=[];t.populate.forEach((function(t){if(/[\s]/.test(t.path)){var n=Object.assign({},t);n.path.split(" ").forEach((function(t){n.path=t,r.push(e.populate(n)[0])}))}else r.push(e.populate(t)[0])})),t.populate=e.populate(r)}else null!=t.populate&&"object"===i(t.populate)&&(t.populate=e.populate(t.populate));var o=[],s=t.path.split(" ");null!=t.options&&(t.options=e.clone(t.options));var a,u=n(s);try{for(u.s();!(a=u.n()).done;){var c=a.value;o.push(new h(Object.assign({},t,{path:c})))}}catch(t){u.e(t)}finally{u.f()}return o}
+/*!
+ * Return the value of `obj` at the given `path`.
+ *
+ * @param {String} path
+ * @param {Object} obj
+ */e.specialProperties=O,
+/*!
+ * Produces a collection name from model `name`. By default, just returns
+ * the model name
+ *
+ * @param {String} name a model name
+ * @param {Function} pluralize function that pluralizes the collection name
+ * @return {String} a collection name
+ * @api private
+ */
+e.toCollectionName=function(t,e){return"system.profile"===t||"system.indexes"===t?t:"function"==typeof e?e(t):t},
+/*!
+ * Determines if `a` and `b` are deep equal.
+ *
+ * Modified from node/lib/assert.js
+ *
+ * @param {any} a a value to compare to `b`
+ * @param {any} b a value to compare to `a`
+ * @return {Boolean}
+ * @api private
+ */
+e.deepEqual=function t(r,n){if(r===n)return!0;if("object"!==i(r)&&"object"!==i(n))return r===n;if(r instanceof Date&&n instanceof Date)return r.getTime()===n.getTime();if(v(r,"ObjectID")&&v(n,"ObjectID")||v(r,"Decimal128")&&v(n,"Decimal128"))return r.toString()===n.toString();if(r instanceof RegExp&&n instanceof RegExp)return r.source===n.source&&r.ignoreCase===n.ignoreCase&&r.multiline===n.multiline&&r.global===n.global;if(null==r||null==n)return!1;if(r.prototype!==n.prototype)return!1;if(r instanceof Map&&n instanceof Map)return t(Array.from(r.keys()),Array.from(n.keys()))&&t(Array.from(r.values()),Array.from(n.values()));if(r instanceof Number&&n instanceof Number)return r.valueOf()===n.valueOf();if(l.isBuffer(r))return e.buffer.areEqual(r,n);if(Array.isArray(r)&&Array.isArray(n)){var o=r.length;if(o!==n.length)return!1;for(var s=0;s<o;++s)if(!t(r[s],n[s]))return!1;return!0}null!=r.$__?r=r._doc:b(r)&&(r=r.toObject()),null!=n.$__?n=n._doc:b(n)&&(n=n.toObject());var a=Object.keys(r),u=Object.keys(n),c=a.length;if(c!==u.length)return!1;a.sort(),u.sort();for(var f=c-1;f>=0;f--)if(a[f]!==u[f])return!1;for(var p=0,h=a;p<h.length;p++){var y=h[p];if(!t(r[y],n[y]))return!1}return!0},
+/*!
+ * Get the last element of an array
+ */
+e.last=function(t){if(t.length>0)return t[t.length-1]},e.clone=y,
+/*!
+ * ignore
+ */
+e.promiseOrCallback=g,
+/*!
+ * ignore
+ */
+e.omit=function(t,e){if(null==e)return Object.assign({},t);Array.isArray(e)||(e=[e]);var r,o=Object.assign({},t),i=n(e);try{for(i.s();!(r=i.n()).done;){delete o[r.value]}}catch(t){i.e(t)}finally{i.f()}return o},
+/*!
+ * Shallow copies defaults into options.
+ *
+ * @param {Object} defaults
+ * @param {Object} options
+ * @return {Object} the merged object
+ * @api private
+ */
+e.options=function(t,e){var r,n=Object.keys(t),o=n.length;for(e=e||{};o--;)(r=n[o])in e||(e[r]=t[r]);return e},
+/*!
+ * Generates a random string
+ *
+ * @api private
+ */
+e.random=function(){return Math.random().toString().substr(3)},
+/*!
+ * Merges `from` into `to` without overwriting existing properties.
+ *
+ * @param {Object} to
+ * @param {Object} from
+ * @api private
+ */
+e.merge=function t(r,n,o,i){o=o||{};var s,a=Object.keys(n),u=0,c=a.length;i=i||"";for(var l=o.omitNested||{};u<c;)if(s=a[u++],!(o.omit&&o.omit[s]||l[i]||O.has(s)))if(null==r[s])r[s]=n[s];else if(e.isObject(n[s])){if(e.isObject(r[s])||(r[s]={}),null!=n[s]){if(o.isDiscriminatorSchemaMerge&&n[s].$isSingleNested&&r[s].$isMongooseDocumentArray||n[s].$isMongooseDocumentArray&&r[s].$isSingleNested)continue;if(n[s].instanceOfSchema){r[s].instanceOfSchema?w(r[s],n[s].clone(),o.isDiscriminatorSchemaMerge):r[s]=n[s].clone();continue}if(n[s]instanceof p){r[s]=new p(n[s]);continue}}t(r[s],n[s],o,i?i+"."+s:s)}else o.overwrite&&(r[s]=n[s])},
+/*!
+ * Applies toObject recursively.
+ *
+ * @param {Document|Array|Object} obj
+ * @return {Object}
+ * @api private
+ */
+e.toObject=function t(o){var i;if(s||(s=r(12)),null==o)return o;if(o instanceof s)return o.toObject();if(Array.isArray(o)){i=[];var a,u=n(o);try{for(u.s();!(a=u.n()).done;){var c=a.value;i.push(t(c))}}catch(t){u.e(t)}finally{u.f()}return i}if(e.isPOJO(o)){i={};for(var l=0,f=Object.keys(o);l<f.length;l++){var p=f[l];O.has(p)||(i[p]=t(o[p]))}return i}return o},e.isObject=_,
+/*!
+ * Determines if `arg` is a plain old JavaScript object (POJO). Specifically,
+ * `arg` must be an object but not an instance of any special class, like String,
+ * ObjectId, etc.
+ *
+ * `Object.getPrototypeOf()` is part of ES5: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getPrototypeOf
+ *
+ * @param {Object|Array|String|Function|RegExp|any} arg
+ * @api private
+ * @return {Boolean}
+ */
+e.isPOJO=function(t){if(null==t||"object"!==i(t))return!1;var e=Object.getPrototypeOf(t);return!e||"Object"===e.constructor.name},
+/*!
+ * Determines if `obj` is a built-in object like an array, date, boolean,
+ * etc.
+ */
+e.isNativeObject=function(t){return Array.isArray(t)||t instanceof Date||t instanceof Boolean||t instanceof Number||t instanceof String},
+/*!
+ * Determines if `val` is an object that has no own keys
+ */
+e.isEmptyObject=function(t){return null!=t&&"object"===i(t)&&0===Object.keys(t).length},
+/*!
+ * Search if `obj` or any POJOs nested underneath `obj` has a property named
+ * `key`
+ */
+e.hasKey=function(t,r){for(var n=0,o=Object.keys(t);n<o.length;n++){var i=o[n];if(i===r)return!0;if(e.isPOJO(t[i])&&e.hasKey(t[i],r))return!0}return!1},
+/*!
+ * A faster Array.prototype.slice.call(arguments) alternative
+ * @api private
+ */
+e.args=c,
+/*!
+ * process.nextTick helper.
+ *
+ * Wraps `callback` in a try/catch + nextTick.
+ *
+ * node-mongodb-native has a habit of state corruption when an error is immediately thrown from within a collection callback.
+ *
+ * @param {Function} callback
+ * @api private
+ */
+e.tick=function(t){if("function"==typeof t)return function(){try{t.apply(this,arguments)}catch(t){d((function(){throw t}))}}},
+/*!
+ * Returns true if `v` is an object that can be serialized as a primitive in
+ * MongoDB
+ */
+e.isMongooseType=function(t){return t instanceof p||t instanceof f||t instanceof l},e.isMongooseObject=b,
+/*!
+ * Converts `expires` options of index objects to `expiresAfterSeconds` options for MongoDB.
+ *
+ * @param {Object} object
+ * @api private
+ */
+e.expires=function(t){var e;t&&"Object"===t.constructor.name&&("expires"in t&&(e="string"!=typeof t.expires?t.expires:Math.round(a(t.expires)/1e3),t.expireAfterSeconds=e,delete t.expires))},
+/*!
+ * populate helper
+ */
+e.populate=function(t,r,n,o,s,a,u,c){var l=null;if(1===arguments.length){if(t instanceof h)return[t];if(Array.isArray(t)){var f=p(t);return f.map((function(t){return e.populate(t)[0]}))}l=e.isObject(t)?Object.assign({},t):{path:t}}else l="object"===i(n)?{path:t,select:r,match:n,options:o}:{path:t,select:r,model:n,match:o,options:s,populate:a,justOne:u,count:c};if("string"!=typeof l.path)throw new TypeError("utils.populate: invalid path. Expected string. Got typeof `"+i(t)+"`");return S(l);function p(t){var e=[];return t.forEach((function(t){/[\s]/.test(t.path)?t.path.split(" ").forEach((function(r){var n=Object.assign({},t);n.path=r,e.push(n)})):e.push(t)})),e}},e.getValue=function(t,e,r){return u.get(t,e,"_doc",r)},
+/*!
+ * Sets the value of `obj` at the given `path`.
+ *
+ * @param {String} path
+ * @param {Anything} val
+ * @param {Object} obj
+ */
+e.setValue=function(t,e,r,n,o){u.set(t,e,r,"_doc",n,o)},
+/*!
+ * Returns an array of values from object `o`.
+ *
+ * @param {Object} o
+ * @return {Array}
+ * @private
+ */
+e.object={},e.object.vals=function(t){for(var e=Object.keys(t),r=e.length,n=[];r--;)n.push(t[e[r]]);return n},
+/*!
+ * @see exports.options
+ */
+e.object.shallowCopy=e.options;
+/*!
+ * Safer helper for hasOwnProperty checks
+ *
+ * @param {Object} obj
+ * @param {String} prop
+ */
+var j=Object.prototype.hasOwnProperty;e.object.hasOwnProperty=function(t,e){return j.call(t,e)},
+/*!
+ * Determine if `val` is null or undefined
+ *
+ * @return {Boolean}
+ */
+e.isNullOrUndefined=function(t){return null==t},
+/*!
+ * ignore
+ */
+e.array={},
+/*!
+ * Flattens an array.
+ *
+ * [ 1, [ 2, 3, [4] ]] -> [1,2,3,4]
+ *
+ * @param {Array} arr
+ * @param {Function} [filter] If passed, will be invoked with each item in the array. If `filter` returns a falsy value, the item will not be included in the results.
+ * @return {Array}
+ * @private
+ */
+e.array.flatten=function t(e,r,n){return n||(n=[]),e.forEach((function(e){Array.isArray(e)?t(e,r,n):r&&!r(e)||n.push(e)})),n};
+/*!
+ * ignore
+ */
+var A=Object.prototype.hasOwnProperty;e.hasUserDefinedProperty=function(t,r){if(null==t)return!1;if(Array.isArray(r)){var o,s=n(r);try{for(s.s();!(o=s.n()).done;){var a=o.value;if(e.hasUserDefinedProperty(t,a))return!0}}catch(t){s.e(t)}finally{s.f()}return!1}if(A.call(t,r))return!0;if("object"===i(t)&&r in t){var u=t[r];return u!==Object.prototype[r]&&u!==Array.prototype[r]}return!1};
+/*!
+ * ignore
+ */
+var $=Math.pow(2,32)-1;e.isArrayIndex=function(t){return"number"==typeof t?t>=0&&t<=$:"string"==typeof t&&(!!/^\d+$/.test(t)&&((t=+t)>=0&&t<=$))},
+/*!
+ * Removes duplicate values from an array
+ *
+ * [1, 2, 3, 3, 5] => [1, 2, 3, 5]
+ * [ ObjectId("550988ba0c19d57f697dc45e"), ObjectId("550988ba0c19d57f697dc45e") ]
+ *    => [ObjectId("550988ba0c19d57f697dc45e")]
+ *
+ * @param {Array} arr
+ * @return {Array}
+ * @private
+ */
+e.array.unique=function(t){var e,r=new Set,o=new Set,i=[],s=n(t);try{for(s.s();!(e=s.n()).done;){var a=e.value;if("number"==typeof a||"string"==typeof a||null==a){if(r.has(a))continue;i.push(a),r.add(a)}else if(a instanceof p){if(o.has(a.toString()))continue;i.push(a),o.add(a.toString())}else i.push(a)}}catch(t){s.e(t)}finally{s.f()}return i},
+/*!
+ * Determines if two buffers are equal.
+ *
+ * @param {Buffer} a
+ * @param {Object} b
+ */
+e.buffer={},e.buffer.areEqual=function(t,e){if(!l.isBuffer(t))return!1;if(!l.isBuffer(e))return!1;if(t.length!==e.length)return!1;for(var r=0,n=t.length;r<n;++r)if(t[r]!==e[r])return!1;return!0},e.getFunctionName=m,
+/*!
+ * Decorate buffers
+ */
+e.decorate=function(t,e){for(var r in e)O.has(r)||(t[r]=e[r])},e.mergeClone=function(t,r){b(r)&&(r=r.toObject({transform:!1,virtuals:!1,depopulate:!0,getters:!1,flattenDecimals:!1}));for(var n,o=Object.keys(r),i=o.length,s=0;s<i;)if(n=o[s++],!O.has(n))if(void 0===t[n])t[n]=e.clone(r[n],{transform:!1,virtuals:!1,depopulate:!0,getters:!1,flattenDecimals:!1});else{var a=r[n];if(null==a||!a.valueOf||a instanceof Date||(a=a.valueOf()),e.isObject(a)){var u=a;b(a)&&!a.isMongooseBuffer&&(u=u.toObject({transform:!1,virtuals:!1,depopulate:!0,getters:!1,flattenDecimals:!1})),a.isMongooseBuffer&&(u=l.from(u)),e.mergeClone(t[n],u)}else t[n]=e.clone(a,{flattenDecimals:!1})}},e.each=function(t,e){var r,o=n(t);try{for(o.s();!(r=o.n()).done;){e(r.value)}}catch(t){o.e(t)}finally{o.f()}},
+/*!
+ * ignore
+ */
+e.getOption=function(t){var e,r=Array.prototype.slice.call(arguments,1),o=n(r);try{for(o.s();!(e=o.n()).done;){var i=e.value;if(null!=i[t])return i[t]}}catch(t){o.e(t)}finally{o.f()}return null},
+/*!
+ * ignore
+ */
+e.noop=function(){},e.errorToPOJO=function(t){if(!(t instanceof Error))throw new Error("`error` must be `instanceof Error`.");var e,r={},o=n(Object.getOwnPropertyNames(t));try{for(o.s();!(e=o.n()).done;){var i=e.value;r[i]=t[i]}}catch(t){o.e(t)}finally{o.f()}return r},e.nodeMajorVersion=parseInt(t.versions.node.split(".")[0],10)}).call(this,r(10))},function(t,e,r){"use strict";(function(t){
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author   Feross Aboukhadijeh <http://feross.org>
+ * @license  MIT
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+ */
+function(t){Object.keys(t.$__.activePaths.states.require).forEach((function(e){var r=t.$__schema.path(e);null!=r&&"function"==typeof r.originalRequiredValue&&(t.$__.cachedRequired[e]=r.originalRequiredValue.call(t,t))}))}(t);var r=new Set(Object.keys(t.$__.activePaths.states.require).filter((function(e){return!(!t.$__isSelected(e)&&!t.isModified(e))&&(!(e in t.$__.cachedRequired)||t.$__.cachedRequired[e])})));function n(t){r.add(t)}Object.keys(t.$__.activePaths.states.init).forEach(n),Object.keys(t.$__.activePaths.states.modify).forEach(n),Object.keys(t.$__.activePaths.states.default).forEach(n);var i,s=t.$getAllSubdocs(),a=t.modifiedPaths(),u=o(s);try{for(u.s();!(i=u.n()).done;){var c=i.value;if(c.$basePath){var l,f=o(r);try{for(f.s();!(l=f.n()).done;){var p=l.value;(null===p||p.startsWith(c.$basePath+"."))&&r.delete(p)}}catch(t){f.e(t)}finally{f.f()}!t.isModified(c.$basePath,a)||t.isDirectModified(c.$basePath)||t.$isDefault(c.$basePath)||(r.add(c.$basePath),e[c.$basePath]=!0)}}}catch(t){u.e(t)}finally{u.f()}var h,y=o(r);try{for(y.s();!(h=y.n()).done;){var d=h.value,_=t.$__schema.path(d);if(_&&_.$isMongooseArray&&(!_.$isMongooseDocumentArray||E(_,"schemaOptions.required")))v(t.$__getValue(d),r,d)}}catch(t){y.e(t)}finally{y.f()}function v(t,e,r){if(null!=t)for(var n=t.length,o=0;o<n;++o)Array.isArray(t[o])?v(t[o],e,r+"."+o):e.add(r+"."+o)}var m,b={skipArrays:!0},g=o(r);try{for(g.s();!(m=g.n()).done;){var w=m.value;if(t.$__schema.nested[w]){var O=t.$__getValue(w);V(O)&&(O=O.toObject({transform:!1}));var S=$(O,w,b,t.$__schema);Object.keys(S).forEach(n)}}}catch(t){g.e(t)}finally{g.f()}var j,A=o(r);try{for(A.s();!(j=A.n()).done;){var P=j.value;if(t.$__schema.singleNestedPaths.hasOwnProperty(P))r.delete(P);else{var x=t.$__schema.path(P);if(x&&x.$isSchemaMap){var T=t.$__getValue(P);if(null!=T){var k,N=o(T.keys());try{for(N.s();!(k=N.n()).done;){var B=k.value;r.add(P+"."+B)}}catch(t){N.e(t)}finally{N.f()}}}}}}catch(t){A.e(t)}finally{A.f()}return[r=Array.from(r),e]}
+/*!
+ * ignore
+ */
+/*!
+ * ignore
+ */
+function st(t,e){var r,n=new Set(e),i=new Map([]),s=o(e);try{for(s.s();!(r=s.n()).done;){var a=r.value;if(-1!==a.indexOf("."))for(var u=a.split("."),c=u[0],l=1;l<u.length;++l)i.set(c,a),c=c+"."+u[l]}}catch(t){s.e(t)}finally{s.f()}var f,p=[],h=o(t);try{for(h.s();!(f=h.n()).done;){var y=f.value;n.has(y)?p.push(y):i.has(y)&&p.push(i.get(y))}}catch(t){h.e(t)}finally{h.f()}return p}
+/*!
+ * ignore
+ */function at(t,e){return e=new Set(e),t=t.filter((function(t){return!e.has(t)}))}
+/*!
+ * Runs queued functions
+ */
+function ut(t){var e=t.$__schema&&t.$__schema.callQueue;if(e.length){var r,n=o(e);try{for(n.s();!(r=n.n()).done;){var i=r.value;"pre"!==i[0]&&"post"!==i[0]&&"on"!==i[0]&&t[i[0]].apply(t,i[1])}}catch(t){n.e(t)}finally{n.f()}}}
+/*!
+ * ignore
+ */
+/*!
+ * Applies virtuals properties to `json`.
+ */
+function ct(t,e,r,n){var o,i,s,a=t.$__schema,u=Object.keys(a.virtuals),c=u.length,l=c,f=t._doc,p=E(n,"aliases",!0),h=null;if(Array.isArray(r.virtuals))h=new Set(r.virtuals);else if(r.virtuals&&r.virtuals.pathsToSkip){h=new Set(u);for(var y=0;y<r.virtuals.pathsToSkip.length;y++)h.has(r.virtuals.pathsToSkip[y])&&h.delete(r.virtuals.pathsToSkip[y])}if(!f)return e;for(r=r||{},c=0;c<l;++c)if(o=u[c],(null==h||h.has(o))&&(p||!a.aliases.hasOwnProperty(o))){if(i=o,null!=r.path){if(!o.startsWith(r.path+"."))continue;i=o.substr(r.path.length+1)}var d=i.split(".");if(void 0!==(s=L(t.get(o),r))){var _=d.length;f=e;for(var v=0;v<_-1;++v)f[d[v]]=f[d[v]]||{},f=f[d[v]];f[d[_-1]]=s}}return e}
+/*!
+ * Applies virtuals properties to `json`.
+ *
+ * @param {Document} self
+ * @param {Object} json
+ * @return {Object} `json`
+ */function lt(t,e){if(F(e))throw new Error("`transform` function must be synchronous, but the transform on path `"+t+"` returned a promise.")}
+/*!
+ * ignore
+ */tt.prototype.$__schema,tt.prototype.schema,Object.defineProperty(tt.prototype,"$locals",{configurable:!1,enumerable:!1,writable:!0}),tt.prototype.isNew,Object.defineProperty(tt.prototype,"$where",{configurable:!1,enumerable:!1,writable:!0}),tt.prototype.id,tt.prototype.errors,tt.prototype.$op,tt.prototype.$__buildDoc=function(t,e,r,n,o){for(var i={},s=Object.keys(this.$__schema.paths).filter((function(t){return!t.includes("$*")})),a=s.length,u=0;u<a;++u){var c=s[u];if("_id"===c){if(r)continue;if(t&&"_id"in t)continue}for(var l=this.$__schema.paths[c].splitPath(),f=l.length,p=f-1,h="",y=i,d=!1,_=0;_<f;++_){var v=l[_];if(h+=(h.length?".":"")+v,!0===n){if(h in e)break}else if(!1===n&&e&&!d)if(h in e)d=!0;else if(!o[h])break;_<p&&(y=y[v]||(y[v]={}))}}this._doc=i},
+/*!
+ * Converts to POJO when you use the document for querying
+ */
+tt.prototype.toBSON=function(){return this.toObject(R)},tt.prototype.init=function(t,e,r){return"function"==typeof e&&(r=e,e=null),this.$__init(t,e),r&&r(null,this),this},
+/*!
+ * ignore
+ */
+tt.prototype.$__init=function(t,e){if(this.isNew=!1,this.$init=!0,e=e||{},null!=t._id&&e.populated&&e.populated.length){var r,n=String(t._id),i=o(e.populated);try{for(i.s();!(r=i.n()).done;){var s=r.value;if(s.isVirtual?this.populated(s.path,I.getValue(s.path,t),s):this.populated(s.path,s._docs[n],s),null!=s._childDocs){var a,u=o(s._childDocs);try{for(u.s();!(a=u.n()).done;){var c=a.value;null!=c&&null!=c.$__&&(c.$__.parent=this)}}catch(t){u.e(t)}finally{u.f()}s._childDocs=[]}}}catch(t){i.e(t)}finally{i.f()}}
+/*!
+ * Init helper.
+ *
+ * @param {Object} self document instance
+ * @param {Object} obj raw mongodb doc
+ * @param {Object} doc object we are initializing
+ * @api private
+ */
+return function t(e,r,n,o,i){i=i||"";var s,a,u,c=Object.keys(r),l=c.length,f=0;for(;f<l;)p(f++);function p(l){if(u=c[l],a=i+u,s=e.$__schema.path(a),!e.$__schema.$isRootDiscriminator||e.$__isSelected(a))if(!s&&I.isPOJO(r[u]))n[u]||(n[u]={}),t(e,r[u],n[u],o,a+".");else if(s){if(null===r[u])n[u]=s._castNullish(null);else if(void 0!==r[u]){var f=(r[u].$__||{}).wasPopulated||null;if(s&&!f)try{n[u]=s.cast(r[u],e,!0)}catch(t){e.invalidate(t.path,new g({path:t.path,message:t.message,type:"cast",value:t.value,reason:t}))}else n[u]=r[u]}e.isModified(a)||e.$__.activePaths.init(a)}else n[u]=r[u]}}(this,t,this._doc,e),
+/*!
+ * If populating a path within a document array, make sure each
+ * subdoc within the array knows its subpaths are populated.
+ *
+ * ####Example:
+ *     const doc = await Article.findOne().populate('comments.author');
+ *     doc.comments[0].populated('author'); // Should be set
+ */
+function(t,e){if(null==t._id||null==e||0===e.length)return;var r,n=String(t._id),i=o(e);try{for(i.s();!(r=i.n()).done;){var s=r.value;if(!s.isVirtual)for(var a=s.path.split("."),u=0;u<a.length-1;++u){var c=a.slice(0,u+1).join("."),l=a.slice(u+1).join("."),f=t.get(c);if(null!=f&&f.isMongooseDocumentArray){for(var p=0;p<f.length;++p)f[p].populated(l,null==s._docs[n]?[]:s._docs[n][p],s);break}}}}catch(t){i.e(t)}finally{i.f()}}(this,e.populated),this.emit("init",this),this.constructor.emit("init",this),this.$__._id=this._id,this},tt.prototype.update=function(){var t=I.args(arguments);t.unshift({_id:this._id});var e=this.constructor.update.apply(this.constructor,t);return null!=this.$session()&&("session"in e.options||(e.options.session=this.$session())),e},tt.prototype.updateOne=function(t,e,r){var n=this,o=this.constructor.updateOne({_id:this._id},t,e);return o.pre((function(t){n.constructor._middleware.execPre("updateOne",n,[n],t)})),o.post((function(t){n.constructor._middleware.execPost("updateOne",n,[n],{},t)})),null!=this.$session()&&("session"in o.options||(o.options.session=this.$session())),null!=r?o.exec(r):o},tt.prototype.replaceOne=function(){var t=I.args(arguments);return t.unshift({_id:this._id}),this.constructor.replaceOne.apply(this.constructor,t)},tt.prototype.$session=function(t){if(0===arguments.length)return null!=this.$__.session&&this.$__.session.hasEnded?(this.$__.session=null,null):this.$__.session;if(null!=t&&t.hasEnded)throw new p("Cannot set a document's session to a session that has ended. 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+/*!
+ * ignore
+ */
+function(t,e){if(!t.$__.validationError)return;for(var r=Object.keys(t.$__.validationError.errors),n=0,o=r;n<o.length;n++){var i=o[n];i.startsWith(e+".")&&delete t.$__.validationError.errors[i]}0===Object.keys(t.$__.validationError.errors).length&&(t.$__.validationError=null)}
+/*!
+ * ignore
+ */(this,t),B.$isSingleNested&&null!=e&&d){e instanceof tt&&(e=e.toObject({virtuals:!1,transform:!1}));for(var rt=0,nt=Object.keys(e);rt<nt.length;rt++){var ot=nt[rt];this.$set(t+"."+ot,e[ot],v,i)}return this}var it=!0;try{var st,at=function(){if(null==B.options)return!1;if(!(e instanceof tt))return!1;var t=e.constructor,r=B.options.ref;if(null!=r&&(r===t.modelName||r===t.baseModelName))return!0;var n=B.options.refPath;if(null==n)return!1;var o=e.get(n);return o===t.modelName||o===t.baseModelName}(),ut=!1;if(at&&e instanceof tt&&(this.populated(t,e._id,n({},J,e.constructor)),e.$__.wasPopulated=!0,ut=!0),B.options&&Array.isArray(B.options[b])&&B.options[b].length&&B.options[b][0].ref&&
+/*!
+ * ignore
+ */
+function(t,e){if(!Array.isArray(t))return!1;if(0===t.length)return!1;var r,n=o(t);try{for(n.s();!(r=n.n()).done;){var i=r.value;if(!(i instanceof tt))return!1;if(null==i.constructor.modelName)return!1;if(i.constructor.modelName!=e&&i.constructor.baseModelName!=e)return!1}}catch(t){n.e(t)}finally{n.f()}return!0}(e,B.options[b][0].ref)){st=n({},J,e[0].constructor),this.populated(t,e.map((function(t){return t._id})),st);var ct,lt=o(e);try{for(lt.s();!(ct=lt.n()).done;){ct.value.$__.wasPopulated=!0}}catch(t){lt.e(t)}finally{lt.f()}ut=!0}if(null==this.$__schema.singleNestedPaths[t]&&(e=B.applySetters(e,this,!1,et)),B.$isMongooseDocumentArray&&Array.isArray(e)&&e.length>0&&null!=e[0]&&null!=e[0].$__&&null!=e[0].$__.populated){for(var ft=Object.keys(e[0].$__.populated),pt=function(){var r=yt[ht];a.populated(t+"."+r,e.map((function(t){return t.populated(r)})),e[0].$__.populated[r].options)},ht=0,yt=ft;ht<yt.length;ht++)pt();ut=!0}if(!ut&&this.$__.populated){if(Array.isArray(e)&&this.$__.populated[t])for(var dt=0;dt<e.length;++dt)e[dt]instanceof tt&&(e[dt]=e[dt]._id);delete this.$__.populated[t]}B.$isSingleNested&&null!=e&&function(t,e,r){var n=e.schema;if(null==n)return;for(var o=0,i=Object.keys(n.paths);o<i.length;o++){var s=i[o],a=n.paths[s];if(null!=a.$immutableSetter){var u=null==r?void 0:r.$__getValue(s);a.$immutableSetter.call(t,u)}}}(e,B,et),this.$markValid(t)}catch(r){r instanceof p.StrictModeError&&r.isImmutableError?this.invalidate(t,r):r instanceof p.CastError?(this.invalidate(r.path,r),r.$originalErrorPath&&this.invalidate(t,new p.CastError(B.instance,e,t,r.$originalErrorPath))):this.invalidate(t,new p.CastError(B.instance,e,t,r)),it=!1}return it&&(this.$__set(Q,t,v,Y,B,e,et),null!=this.$__.savedState&&(this.isNew||this.$__.savedState.hasOwnProperty(t)?this.$__.savedState.hasOwnProperty(t)&&I.deepEqual(e,this.$__.savedState[t])&&this.unmarkModified(t):this.$__.savedState[t]=et)),B.$isSingleNested&&(this.isDirectModified(t)||null==e)&&S(this,t),this},tt.prototype.set=tt.prototype.$set,tt.prototype.$__shouldModify=function(t,e,r,n,o,i,s){return!!this.isNew||null==this.$__schema.singleNestedPaths[e]&&(void 0===i&&!this.$__isSelected(e)||(void 0!==i||!(e in this.$__.activePaths.states.default))&&(!(this.populated(e)&&i instanceof tt&&U(i._id,s))&&(!U(i,s||I.getValue(e,this))||!(r||null==i||!(e in this.$__.activePaths.states.default)||!U(i,o.getDefault(this,r))))))},tt.prototype.$__set=function(t,e,n,o,i,s,a){c=c||r(29);var l=this.$__shouldModify(t,e,n,o,i,s,a),f=this;l&&(this.markModified(t),u||(u=r(85)),s&&s.isMongooseArray&&(s._registerAtomic("$set",s),s.isMongooseDocumentArray&&s.forEach((function(t){t&&t.__parentArray&&(t.__parentArray=s)})),this.$__.activePaths.forEach((function(t){t.startsWith(e+".")&&f.$__.activePaths.ignore(t)}))));for(var p=this._doc,h=0,y=o.length,d="";h<y;h++){var _=h+1===y;if(d+=d?"."+o[h]:o[h],Z.has(o[h]))return;_?p instanceof Map?p.set(o[h],s):p[o[h]]=s:(I.isPOJO(p[o[h]])||p[o[h]]&&p[o[h]]instanceof c||p[o[h]]&&p[o[h]].$isSingleNested||p[o[h]]&&Array.isArray(p[o[h]])||(p[o[h]]=p[o[h]]||{}),p=p[o[h]])}},tt.prototype.$__getValue=function(t){return I.getValue(t,this._doc)},tt.prototype.$__setValue=function(t,e){return I.setValue(t,e,this._doc),this},tt.prototype.get=function(t,e,r){var n;r=r||{},e&&(n=this.$__schema.interpretAsType(t,e,this.$__schema.options));var o=this.$__path(t);if(null==o&&(o=this.$__schema.virtualpath(t)),o instanceof h){var i=this.$__schema.virtualpath(t);null!=i&&(o=i)}var s=-1===t.indexOf(".")?[t]:t.split("."),a=this._doc;if(o instanceof w)return o.applyGetters(void 0,this);"string"==typeof this.$__schema.aliases[s[0]]&&(s[0]=this.$__schema.aliases[s[0]]);for(var u=0,c=s.length;u<c;u++)a&&a._doc&&(a=a._doc),a=null==a?void 0:a instanceof Map?a.get(s[u],{getters:!1}):u===c-1?I.getValue(s[u],a):a[s[u]];if(n&&(a=n.cast(a)),null!=o&&!1!==r.getters)a=o.applyGetters(a,this);else if(this.$__schema.nested[t]&&r.virtuals)return ct(this,I.clone(a)||{},{path:t});return a},
+/*!
+ * ignore
+ */
+tt.prototype[Q]=tt.prototype.get,tt.prototype.$__path=function(t){var e=this.$__.adhocPaths,r=e&&e.hasOwnProperty(t)?e[t]:null;return r||this.$__schema.path(t)},tt.prototype.markModified=function(t,e){this.$__.activePaths.modify(t),null==e||this.ownerDocument||(this.$__.pathsToScopes[t]=e)},tt.prototype.unmarkModified=function(t){this.$__.activePaths.init(t),delete this.$__.pathsToScopes[t]},tt.prototype.$ignore=function(t){this.$__.activePaths.ignore(t)},tt.prototype.directModifiedPaths=function(){return Object.keys(this.$__.activePaths.states.modify)},tt.prototype.$isEmpty=function(t){var e={minimize:!0,virtuals:!1,getters:!1,transform:!1};if(arguments.length>0){var r=this.get(t);return null==r||"object"===s(r)&&(I.isPOJO(r)?ot(r):0===Object.keys(r.toObject(e)).length)}return 0===Object.keys(this.toObject(e)).length},tt.prototype.modifiedPaths=function(t){t=t||{};var e=Object.keys(this.$__.activePaths.states.modify),r=this;return e.reduce((function(e,n){var i=n.split(".");if(e=e.concat(i.reduce((function(t,e,r){return t.concat(i.slice(0,r).concat(e).join("."))}),[]).filter((function(t){return-1===e.indexOf(t)}))),!t.includeChildren)return e;var a=r.get(n);if(null!=a&&"object"===s(a))if(a._doc&&(a=a._doc),Array.isArray(a)){for(var u=a.length,c=0;c<u;++c)if(-1===e.indexOf(n+"."+c)&&(e.push(n+"."+c),null!=a[c]&&a[c].$__)){var l,f=o(a[c].modifiedPaths());try{for(f.s();!(l=f.n()).done;){var p=l.value;e.push(n+"."+c+"."+p)}}catch(t){f.e(t)}finally{f.f()}}}else Object.keys(a).filter((function(t){return-1===e.indexOf(n+"."+t)})).forEach((function(t){e.push(n+"."+t)}));return e}),[])},tt.prototype[K]=tt.prototype.modifiedPaths,tt.prototype.isModified=function(t,e){if(t){Array.isArray(t)||(t=t.split(" "));var r=e||this[K](),n=Object.keys(this.$__.activePaths.states.modify);return t.some((function(t){return!!~r.indexOf(t)}))||t.some((function(t){return n.some((function(e){return e===t||t.startsWith(e+".")}))}))}return this.$__.activePaths.some("modify")},tt.prototype[Y]=tt.prototype.isModified,tt.prototype.$isDefault=function(t){var e=this;if(null==t)return this.$__.activePaths.some("default");if("string"==typeof t&&-1===t.indexOf(" "))return this.$__.activePaths.states.default.hasOwnProperty(t);var r=t;return Array.isArray(r)||(r=r.split(" ")),r.some((function(t){return e.$__.activePaths.states.default.hasOwnProperty(t)}))},tt.prototype.$isDeleted=function(t){return 0===arguments.length?!!this.$__.isDeleted:(this.$__.isDeleted=!!t,this)},tt.prototype.isDirectModified=function(t){var e=this;if(null==t)return this.$__.activePaths.some("modify");if("string"==typeof t&&-1===t.indexOf(" "))return this.$__.activePaths.states.modify.hasOwnProperty(t);var r=t;return Array.isArray(r)||(r=r.split(" ")),r.some((function(t){return e.$__.activePaths.states.modify.hasOwnProperty(t)}))},tt.prototype.isInit=function(t){var e=this;if(null==t)return this.$__.activePaths.some("init");if("string"==typeof t&&-1===t.indexOf(" "))return this.$__.activePaths.states.init.hasOwnProperty(t);var r=t;return Array.isArray(r)||(r=r.split(" ")),r.some((function(t){return e.$__.activePaths.states.init.hasOwnProperty(t)}))},tt.prototype.isSelected=function(t){var e=this;if(null==this.$__.selected)return!0;if("_id"===t)return 0!==this.$__.selected._id;if(-1!==t.indexOf(" ")&&(t=t.split(" ")),Array.isArray(t))return t.some((function(t){return e.$__isSelected(t)}));var r=Object.keys(this.$__.selected),n=null;if(1===r.length&&"_id"===r[0])return 0===this.$__.selected._id;for(var o=0,i=r;o<i.length;o++){var s=i[o];if("_id"!==s&&N(this.$__.selected[s])){n=!!this.$__.selected[s];break}}if(null===n)return!0;if(t in this.$__.selected)return n;for(var a=t+".",u=0,c=r;u<c.length;u++){var l=c[u];if("_id"!==l){if(l.startsWith(a))return n||l!==a;if(a.startsWith(l+"."))return n}}return!n},tt.prototype.$__isSelected=tt.prototype.isSelected,tt.prototype.isDirectSelected=function(t){var e=this;if(null==this.$__.selected)return!0;if("_id"===t)return 0!==this.$__.selected._id;if(-1!==t.indexOf(" ")&&(t=t.split(" ")),Array.isArray(t))return t.some((function(t){return e.isDirectSelected(t)}));var r=Object.keys(this.$__.selected),n=null;if(1===r.length&&"_id"===r[0])return 0===this.$__.selected._id;for(var o=0,i=r;o<i.length;o++){var s=i[o];if("_id"!==s&&N(this.$__.selected[s])){n=!!this.$__.selected[s];break}}return null===n||(this.$__.selected.hasOwnProperty(t)?n:!n)},tt.prototype.validate=function(t,e,r){var n,o=this;if(this.$op="validate",null!=this.ownerDocument||(this.$__.validating?n=new _(this,{parentStack:e&&e.parentStack,conflictStack:this.$__.validating.stack}):this.$__.validating=new _(this,{parentStack:e&&e.parentStack})),1===arguments.length?"object"!==s(arguments[0])||Array.isArray(arguments[0])?"function"==typeof arguments[0]&&(r=arguments[0],e=null,t=null):(e=arguments[0],r=null,t=null):"function"==typeof t?(r=t,e=null,t=null):"function"==typeof e&&(r=e,e=t,t=null),e&&"string"==typeof e.pathsToSkip){var i=-1===e.pathsToSkip.indexOf(" ");e.pathsToSkip=i?[e.pathsToSkip]:e.pathsToSkip.split(" ")}return O(r,(function(r){if(null!=n)return r(n);o.$__validate(t,e,(function(t){o.$op=null,r(t)}))}),this.constructor.events)},tt.prototype.$__validate=function(t,e,r){var n=this;"function"==typeof t?(r=t,e=null,t=null):"function"==typeof e&&(r=e,e=null);var i,a=e&&"object"===s(e)&&"validateModifiedOnly"in e,u=E(e,"pathsToSkip",null);i=a?!!e.validateModifiedOnly:this.$__schema.options.validateModifiedOnly;var c=this,l=function(){var t=n.$__.validationError;if(n.$__.validationError=void 0,i&&null!=t){for(var e=0,r=Object.keys(t.errors);e<r.length;e++){var o=r[e];n.isModified(o)||delete t.errors[o]}0===Object.keys(t.errors).length&&(t=void 0)}if(n.$__.cachedRequired={},n.emit("validate",c),n.constructor.emit("validate",c),n.$__.validating=null,t){for(var s in t.errors)!n[H]&&t.errors[s]instanceof p.CastError&&n.invalidate(s,t.errors[s]);return t}},f=it(this),h=i?f[0].filter((function(t){return n.isModified(t)})):f[0],y=f[1];if("string"==typeof t&&(t=t.split(" ")),Array.isArray(t)?h=st(h,t):u&&(h=at(h,u)),0===h.length)return k((function(){var t=l();if(t)return c.$__schema.s.hooks.execPost("validate:error",c,[c],{error:t},(function(t){r(t)}));r(null,c)}));var d,_={},v=0,m=o(h);try{for(m.s();!(d=m.n()).done;){g(d.value)}}catch(t){m.e(t)}finally{m.f()}function g(t){null==t||_[t]||(_[t]=!0,v++,k((function(){var e=c.$__schema.path(t);if(!e)return--v||w();if(c.$isValid(t)){if(null!=e[X]&&t!==e.path)return--v||w();var r,n=c.$__getValue(t);null==n&&(r=c.populated(t))&&(n=r);var o=t in c.$__.pathsToScopes?c.$__.pathsToScopes[t]:c,s={skipSchemaValidators:y[t],path:t,validateModifiedOnly:i};e.doValidate(n,(function(r){if(r&&(!e.$isMongooseDocumentArray||r.$isArrayValidatorError)){if(e.$isSingleNested&&r instanceof b&&!1===e.schema.options.storeSubdocValidationError)return--v||w();c.invalidate(t,r,void 0,!0)}--v||w()}),o,s)}else--v||w()})))}function w(){var t=l();if(t)return c.$__schema.s.hooks.execPost("validate:error",c,[c],{error:t},(function(t){r(t)}));r(null,c)}},tt.prototype.validateSync=function(t,e){var r=this,n=this;1!==arguments.length||"object"!==s(arguments[0])||Array.isArray(arguments[0])||(e=arguments[0],t=null);var o,i=e&&"object"===s(e)&&"validateModifiedOnly"in e;o=i?!!e.validateModifiedOnly:this.$__schema.options.validateModifiedOnly;var a=e&&e.pathsToSkip;if("string"==typeof t){var u=-1===t.indexOf(" ");t=u?[t]:t.split(" ")}else"string"==typeof a&&-1!==a.indexOf(" ")&&(a=a.split(" "));var c=it(this),l=o?c[0].filter((function(t){return r.isModified(t)})):c[0],f=c[1];Array.isArray(t)?l=st(l,t):Array.isArray(a)&&(l=at(l,a));var h={};l.forEach((function(t){if(!h[t]){h[t]=!0;var e=n.$__schema.path(t);if(e&&n.$isValid(t)){var r=n.$__getValue(t),i=e.doValidateSync(r,n,{skipSchemaValidators:f[t],path:t,validateModifiedOnly:o});if(i&&(!e.$isMongooseDocumentArray||i.$isArrayValidatorError)){if(e.$isSingleNested&&i instanceof b&&!1===e.schema.options.storeSubdocValidationError)return;n.invalidate(t,i,void 0,!0)}}}}));var y=n.$__.validationError;if(n.$__.validationError=void 0,n.emit("validate",n),n.constructor.emit("validate",n),y)for(var d in y.errors)y.errors[d]instanceof p.CastError&&n.invalidate(d,y.errors[d]);return y},tt.prototype.invalidate=function(t,e,r,n){if(this.$__.validationError||(this.$__.validationError=new b(this)),!this.$__.validationError.errors[t])return e&&"string"!=typeof e||(e=new g({path:t,message:e,type:n||"user defined",value:r})),this.$__.validationError===e||this.$__.validationError.addError(t,e),this.$__.validationError},tt.prototype.$markValid=function(t){this.$__.validationError&&this.$__.validationError.errors[t]&&(delete this.$__.validationError.errors[t],0===Object.keys(this.$__.validationError.errors).length&&(this.$__.validationError=null))},tt.prototype.$isValid=function(t){var e=this;return null==this.$__.validationError||0===Object.keys(this.$__.validationError.errors).length||null!=t&&(-1!==t.indexOf(" ")&&(t=t.split(" ")),Array.isArray(t)?t.some((function(t){return null==e.$__.validationError.errors[t]})):null==this.$__.validationError.errors[t])},tt.prototype.$__reset=function(){var t=this;return a||(a=r(18)),this.$__.activePaths.map("init","modify",(function(e){return t.$__getValue(e)})).filter((function(t){return t&&t instanceof Array&&t.isMongooseDocumentArray&&t.length})).forEach((function(e){for(var r=e.length;r--;){var n=e[r];n&&n.$__reset()}t.$__.activePaths.init(e.$path()),e[q]=e[W],e[W]={}})),this.$__.activePaths.map("init","modify",(function(e){return t.$__getValue(e)})).filter((function(t){return t&&t.$isSingleNested})).forEach((function(e){e.$__reset(),e.$__parent===t?t.$__.activePaths.init(e.$basePath):null!=e.$__parent&&e.$__parent.ownerDocument&&e.$__parent.$__reset()})),this.$__dirty().forEach((function(t){var e=t.value;e&&e[W]&&(e[q]=e[W],e[W]={})})),this.$__.backup={},this.$__.backup.activePaths={modify:Object.assign({},this.$__.activePaths.states.modify),default:Object.assign({},this.$__.activePaths.states.default)},this.$__.backup.validationError=this.$__.validationError,this.$__.backup.errors=this.errors,this.$__.activePaths.clear("modify"),this.$__.activePaths.clear("default"),this.$__.validationError=void 0,this.errors=void 0,t=this,this.$__schema.requiredPaths().forEach((function(e){t.$__.activePaths.require(e)})),this},
+/*!
+ * ignore
+ */
+tt.prototype.$__undoReset=function(){if(null!=this.$__.backup&&null!=this.$__.backup.activePaths){this.$__.activePaths.states.modify=this.$__.backup.activePaths.modify,this.$__.activePaths.states.default=this.$__.backup.activePaths.default,this.$__.validationError=this.$__.backup.validationError,this.errors=this.$__.backup.errors;var t,e=o(this.$__dirty());try{for(e.s();!(t=e.n()).done;){var r=t.value.value;r&&r[W]&&r[q]&&(r[W]=r[q])}}catch(t){e.e(t)}finally{e.f()}var n,i=o(this.$getAllSubdocs());try{for(i.s();!(n=i.n()).done;){n.value.$__undoReset()}}catch(t){i.e(t)}finally{i.f()}}},tt.prototype.$__dirty=function(){var t=this,e=this.$__.activePaths.map("modify",(function(e){return{path:e,value:t.$__getValue(e),schema:t.$__path(e)}}));(e=e.concat(this.$__.activePaths.map("default",(function(e){if("_id"!==e&&null!=t.$__getValue(e))return{path:e,value:t.$__getValue(e),schema:t.$__path(e)}})))).sort((function(t,e){return t.path<e.path?-1:t.path>e.path?1:0}));var r,n,o=[];return e.forEach((function(t){t&&(null==r||0!==t.path.indexOf(r)?(r=t.path+".",o.push(t),n=t):null!=n&&null!=n.value&&null!=n.value[W]&&n.value.hasAtomics()&&(n.value[W]={},n.value[W].$set=n.value))})),n=r=null,o},tt.prototype.$__setSchema=function(t){t.plugin(T,{deduplicate:!0}),j(t.tree,this,void 0,t.options);for(var e=0,r=Object.keys(t.virtuals);e<r.length;e++){var n=r[e];t.virtuals[n]._applyDefaultGetters()}null==t.path("schema")&&(this.schema=t),this.$__schema=t,this[z]=t},tt.prototype.$__getArrayPathsToValidate=function(){return a||(a=r(18)),this.$__.activePaths.map("init","modify",function(t){return this.$__getValue(t)}.bind(this)).filter((function(t){return t&&t instanceof Array&&t.isMongooseDocumentArray&&t.length})).reduce((function(t,e){return t.concat(e)}),[]).filter((function(t){return t}))},tt.prototype.$getAllSubdocs=function(){function t(e,r,n){var o=e,i=!1;if(n&&(e instanceof tt&&e[z].paths[n]?o=e._doc[n]:e instanceof tt&&e[z].nested[n]?(o=e._doc[n],i=!0):o=e[n]),o instanceof c)r.push(o);else if(o instanceof Map)r=Array.from(o.keys()).reduce((function(e,r){return t(o.get(r),e,null)}),r);else if(o&&o.$isSingleNested)(r=Object.keys(o._doc).reduce((function(e,r){return t(o._doc,e,r)}),r)).push(o);else if(o&&o.isMongooseDocumentArray)o.forEach((function(e){e&&e._doc&&(r=Object.keys(e._doc).reduce((function(r,n){return t(e._doc,r,n)}),r),e instanceof c&&r.push(e))}));else if(i&&null!=o)for(var s=0,a=Object.keys(o);s<a.length;s++){var u=a[s];t(o,r,u)}return r}a||(a=r(18)),c=c||r(29);for(var e=[],n=0,o=Object.keys(this._doc);n<o.length;n++){t(this,e,o[n])}return e},tt.prototype.$__handleReject=function(t){this.listeners("error").length?this.emit("error",t):this.constructor.listeners&&this.constructor.listeners("error").length&&this.constructor.emit("error",t)},tt.prototype.$toObject=function(t,r){var n,o,i={transform:!0,flattenDecimals:!0},s=r?"toJSON":"toObject",a=E(this,"constructor.base.options."+s,{}),u=E(this,"$__schema.options",{});i=I.options(i,L(a)),i=I.options(i,L(u[s]||{})),(t=I.isPOJO(t)?L(t):{})._calledWithOptions=t._calledWithOptions||L(t),n=null!=t._calledWithOptions.minimize?t.minimize:null!=i.minimize?i.minimize:u.minimize,o=null!=t._calledWithOptions.flattenMaps?t.flattenMaps:null!=i.flattenMaps?i.flattenMaps:u.flattenMaps;var c=Object.assign(I.clone(t),{_isNested:!0,json:r,minimize:n,flattenMaps:o});if(I.hasUserDefinedProperty(t,"getters")&&(c.getters=t.getters),I.hasUserDefinedProperty(t,"virtuals")&&(c.virtuals=t.virtuals),(t.depopulate||E(t,"_parentOptions.depopulate",!1))&&t._isNested&&this.$__.wasPopulated)return L(this._id,c);(t=I.options(i,t))._isNested=!0,t.json=r,t.minimize=n,c._parentOptions=t,c._skipSingleNestedGetters=!0;var l=Object.assign({},c);l._skipSingleNestedGetters=!1;var f=t.transform,p=L(this._doc,c)||{};t.getters&&(!function(t,e,r){var n,o,i=t.$__schema,s=Object.keys(i.paths),a=s.length,u=t._doc;if(!u)return e;for(;a--;){var c=(n=s[a]).split("."),l=c.length,f=l-1,p=e,h=void 0;if(u=t._doc,t.$__isSelected(n))for(var y=0;y<l;++y){if(h=c[y],o=u[h],y===f){var d=t.get(n);p[h]=L(d,r)}else{if(null==o){h in u&&(p[h]=o);break}p=p[h]||(p[h]={})}u=o}}}
+/*!
+ * Applies schema type transforms to `json`.
+ *
+ * @param {Document} self
+ * @param {Object} json
+ * @return {Object} `json`
+ */(this,p,l),t.minimize&&(p=
+/*!
+ * Minimizes an object, removing undefined values and empty objects
+ *
+ * @param {Object} object to minimize
+ * @return {Object}
+ */
+function t(r){var n,o,i,s=Object.keys(r),a=s.length;for(;a--;)o=s[a],i=r[o],I.isObject(i)&&!e.isBuffer(i)&&(r[o]=t(i)),void 0!==r[o]?n=!0:delete r[o];return n?r:void 0}(p)||{})),(t.virtuals||t.getters&&!1!==t.virtuals)&&ct(this,p,l,t),!1===t.versionKey&&this.$__schema.options.versionKey&&delete p[this.$__schema.options.versionKey];var h=t.transform;if(h&&function(t,e){var r=t.$__schema,n=Object.keys(r.paths||{});if(!t._doc)return e;for(var o=0,i=n;o<i.length;o++){var s=i[o],a=r.paths[s];if("function"==typeof a.options.transform){var u=t.get(s),c=a.options.transform.call(t,u);lt(s,c),I.setValue(s,c,e)}else if(null!=a.$embeddedSchemaType&&"function"==typeof a.$embeddedSchemaType.options.transform){for(var l=[].concat(t.get(s)),f=a.$embeddedSchemaType.options.transform,p=0;p<l.length;++p){var h=f.call(t,l[p]);l[p]=h,lt(s,h)}e[s]=l}}}(this,p),t.useProjection&&function(t,e){var r=t.$__schema,n=Object.keys(r.paths||{});if(!t._doc)return e;var o=t.$__.selected;void 0===o&&(o={},M.applyPaths(o,r));if(null==o||0===Object.keys(o).length)return e;for(var i=0,s=n;i<s.length;i++){var a=s[i];null==o[a]||o[a]||delete e[a]}}(this,p),!0===h||u.toObject&&h){var y=t.json?u.toJSON:u.toObject;y&&(h="function"==typeof t.transform?t.transform:y.transform)}else t.transform=f;if("function"==typeof h){var d=h(this,p,t);void 0!==d&&(p=d)}return p},tt.prototype.toObject=function(t){return this.$toObject(t)},tt.prototype.toJSON=function(t){return this.$toObject(t,!0)},tt.prototype.parent=function(){return this.$__.parent},tt.prototype.$parent=tt.prototype.parent,tt.prototype.inspect=function(t){var e;I.isPOJO(t)&&((e=t).minimize=!1);var r=this.toObject(e);return null==r?"MongooseDocument { "+r+" }":r},C.custom&&(
+/*!
+  * Avoid Node deprecation warning DEP0079
+  */
+tt.prototype[C.custom]=tt.prototype.inspect),tt.prototype.toString=function(){var t=this.inspect();return"string"==typeof t?t:C(t)},tt.prototype.equals=function(t){if(!t)return!1;var e=this.$__getValue("_id"),r=null!=t.$__?t.$__getValue("_id"):t;return e||r?e&&e.equals?e.equals(r):e===r:U(this,t)},tt.prototype.populate=function(){if(0===arguments.length)return this;var t,e=this.$__.populate||(this.$__.populate={}),r=I.args(arguments);if("function"==typeof r[r.length-1]&&(t=r.pop()),r.length){var n,i=I.populate.apply(null,r),s=o(i);try{for(s.s();!(n=s.n()).done;){var a=n.value;e[a.path]=a}}catch(t){s.e(t)}finally{s.f()}}if(t){var u=I.object.vals(e);this.$__.populate=void 0;var c=this.constructor;if(this.$__isNested){c=this.$__[G].constructor;var l=this.$__.nestedPath;u.forEach((function(t){t.path=l+"."+t.path}))}if(null!=this.$session()){var f=this.$session();u.forEach((function(t){null!=t.options?"session"in t.options||(t.options.session=f):t.options={session:f}}))}c.populate(this,u,t)}return this},tt.prototype.$getPopulatedDocs=function(){var t=[];null!=this.$__.populated&&(t=t.concat(Object.keys(this.$__.populated))),null!=this.$$populatedVirtuals&&(t=t.concat(Object.keys(this.$$populatedVirtuals)));var e,r=[],n=o(t);try{for(n.s();!(e=n.n()).done;){var i=e.value,s=this.get(i);Array.isArray(s)?r=r.concat(s):s instanceof tt&&r.push(s)}}catch(t){n.e(t)}finally{n.f()}return r},tt.prototype.execPopulate=function(t){var e=this,r=null!=t&&"function"!=typeof t;return r?this.populate.apply(this,arguments).execPopulate():O(t,(function(t){e.populate(t)}),this.constructor.events)},tt.prototype.populated=function(t,e,r){if(null==e||!0===e){if(!this.$__.populated)return;var n=t.endsWith(".$*")?t.replace(/\.\$\*$/,""):t,o=this.$__.populated[n];return o?!0===e?o:o.value:void 0}this.$__.populated||(this.$__.populated={}),this.$__.populated[t]={value:e,options:r};for(var i=t.split("."),s=0;s<i.length-1;++s){var a=i.slice(0,s+1).join("."),u=this.get(a);if(null!=u&&null!=u.$__&&this.populated(a)){var c=i.slice(s+1).join(".");u.populated(c,e,r);break}}return e},tt.prototype.depopulate=function(t){var e;"string"==typeof t&&(t=t.split(" "));var r=this.$$populatedVirtuals?Object.keys(this.$$populatedVirtuals):[],n=E(this,"$__.populated",{});if(0===arguments.length){var i,s=o(r);try{for(s.s();!(i=s.n()).done;){var a=i.value;delete this.$$populatedVirtuals[a],delete this._doc[a],delete n[a]}}catch(t){s.e(t)}finally{s.f()}for(var u=Object.keys(n),c=0,l=u;c<l.length;c++){var f=l[c];(e=this.populated(f))&&(delete n[f],I.setValue(f,e,this._doc))}return this}var p,h=o(t);try{for(h.s();!(p=h.n()).done;){var y=p.value;e=this.populated(y),delete n[y],-1!==r.indexOf(y)?(delete this.$$populatedVirtuals[y],delete this._doc[y]):e&&I.setValue(y,e,this._doc)}}catch(t){h.e(t)}finally{h.f()}return this},tt.prototype.$__fullPath=function(t){return t||""},tt.prototype.getChanges=function(){var t=this.$__delta();return t?t[1]:{}},
+/*!
+ * Module exports.
+ */
+tt.ValidationError=b,t.exports=tt}).call(this,r(2).Buffer)},function(t,e,r){"use strict";
+/*!
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+/*!
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+ *
+ * @param {Object|Array|String|Function|RegExp|any} arg
+ * @api private
+ * @return {Boolean}
+ */
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+/*!
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+ * stubbing out `process.nextTick()` in tests using sinon:
+ * https://github.com/sinonjs/lolex#automatically-incrementing-mocked-time
+ * See gh-6074
+ */
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+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * @license  MIT
+ */function i(t,e){if(t===e)return 0;for(var r=t.length,n=e.length,o=0,i=Math.min(r,n);o<i;++o)if(t[o]!==e[o]){r=t[o],n=e[o];break}return r<n?-1:n<r?1:0}function s(t){return e.Buffer&&"function"==typeof e.Buffer.isBuffer?e.Buffer.isBuffer(t):!(null==t||!t._isBuffer)}var a=r(4),u=Object.prototype.hasOwnProperty,c=Array.prototype.slice,l="foo"===function(){}.name;function f(t){return Object.prototype.toString.call(t)}function p(t){return!s(t)&&("function"==typeof e.ArrayBuffer&&("function"==typeof ArrayBuffer.isView?ArrayBuffer.isView(t):!!t&&(t instanceof DataView||!!(t.buffer&&t.buffer instanceof ArrayBuffer))))}var h=t.exports=b,y=/\s*function\s+([^\(\s]*)\s*/;function d(t){if(a.isFunction(t)){if(l)return t.name;var e=t.toString().match(y);return e&&e[1]}}function _(t,e){return"string"==typeof t?t.length<e?t:t.slice(0,e):t}function v(t){if(l||!a.isFunction(t))return a.inspect(t);var e=d(t);return"[Function"+(e?": "+e:"")+"]"}function m(t,e,r,n,o){throw new h.AssertionError({message:r,actual:t,expected:e,operator:n,stackStartFunction:o})}function b(t,e){t||m(t,!0,e,"==",h.ok)}function g(t,e,r,o){if(t===e)return!0;if(s(t)&&s(e))return 0===i(t,e);if(a.isDate(t)&&a.isDate(e))return t.getTime()===e.getTime();if(a.isRegExp(t)&&a.isRegExp(e))return t.source===e.source&&t.global===e.global&&t.multiline===e.multiline&&t.lastIndex===e.lastIndex&&t.ignoreCase===e.ignoreCase;if(null!==t&&"object"===n(t)||null!==e&&"object"===n(e)){if(p(t)&&p(e)&&f(t)===f(e)&&!(t instanceof Float32Array||t instanceof Float64Array))return 0===i(new Uint8Array(t.buffer),new Uint8Array(e.buffer));if(s(t)!==s(e))return!1;var u=(o=o||{actual:[],expected:[]}).actual.indexOf(t);return-1!==u&&u===o.expected.indexOf(e)||(o.actual.push(t),o.expected.push(e),function(t,e,r,n){if(null==t||null==e)return!1;if(a.isPrimitive(t)||a.isPrimitive(e))return t===e;if(r&&Object.getPrototypeOf(t)!==Object.getPrototypeOf(e))return!1;var o=w(t),i=w(e);if(o&&!i||!o&&i)return!1;if(o)return t=c.call(t),e=c.call(e),g(t,e,r);var s,u,l=j(t),f=j(e);if(l.length!==f.length)return!1;for(l.sort(),f.sort(),u=l.length-1;u>=0;u--)if(l[u]!==f[u])return!1;for(u=l.length-1;u>=0;u--)if(s=l[u],!g(t[s],e[s],r,n))return!1;return!0}(t,e,r,o))}return r?t===e:t==e}function w(t){return"[object Arguments]"==Object.prototype.toString.call(t)}function O(t,e){if(!t||!e)return!1;if("[object RegExp]"==Object.prototype.toString.call(e))return e.test(t);try{if(t instanceof e)return!0}catch(t){}return!Error.isPrototypeOf(e)&&!0===e.call({},t)}function S(t,e,r,n){var o;if("function"!=typeof e)throw new TypeError('"block" argument must be a function');"string"==typeof r&&(n=r,r=null),o=function(t){var e;try{t()}catch(t){e=t}return e}(e),n=(r&&r.name?" ("+r.name+").":".")+(n?" "+n:"."),t&&!o&&m(o,r,"Missing expected exception"+n);var i="string"==typeof n,s=!t&&o&&!r;if((!t&&a.isError(o)&&i&&O(o,r)||s)&&m(o,r,"Got unwanted exception"+n),t&&o&&r&&!O(o,r)||!t&&o)throw o}h.AssertionError=function(t){this.name="AssertionError",this.actual=t.actual,this.expected=t.expected,this.operator=t.operator,t.message?(this.message=t.message,this.generatedMessage=!1):(this.message=function(t){return _(v(t.actual),128)+" "+t.operator+" "+_(v(t.expected),128)}(this),this.generatedMessage=!0);var e=t.stackStartFunction||m;if(Error.captureStackTrace)Error.captureStackTrace(this,e);else{var r=new Error;if(r.stack){var n=r.stack,o=d(e),i=n.indexOf("\n"+o);if(i>=0){var s=n.indexOf("\n",i+1);n=n.substring(s+1)}this.stack=n}}},a.inherits(h.AssertionError,Error),h.fail=m,h.ok=b,h.equal=function(t,e,r){t!=e&&m(t,e,r,"==",h.equal)},h.notEqual=function(t,e,r){t==e&&m(t,e,r,"!=",h.notEqual)},h.deepEqual=function(t,e,r){g(t,e,!1)||m(t,e,r,"deepEqual",h.deepEqual)},h.deepStrictEqual=function(t,e,r){g(t,e,!0)||m(t,e,r,"deepStrictEqual",h.deepStrictEqual)},h.notDeepEqual=function(t,e,r){g(t,e,!1)&&m(t,e,r,"notDeepEqual",h.notDeepEqual)},h.notDeepStrictEqual=function t(e,r,n){g(e,r,!0)&&m(e,r,n,"notDeepStrictEqual",t)},h.strictEqual=function(t,e,r){t!==e&&m(t,e,r,"===",h.strictEqual)},h.notStrictEqual=function(t,e,r){t===e&&m(t,e,r,"!==",h.notStrictEqual)},h.throws=function(t,e,r){S(!0,t,e,r)},h.doesNotThrow=function(t,e,r){S(!1,t,e,r)},h.ifError=function(t){if(t)throw t},h.strict=o((function t(e,r){e||m(e,!0,r,"==",t)}),h,{equal:h.strictEqual,deepEqual:h.deepStrictEqual,notEqual:h.notStrictEqual,notDeepEqual:h.notDeepStrictEqual}),h.strict.strict=h.strict;var j=Object.keys||function(t){var e=[];for(var r in t)u.call(t,r)&&e.push(r);return e}}).call(this,r(9))},function(t,e,r){"use strict";
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+/*!
+ * Object clone with Mongoose natives support.
+ *
+ * If options.minimize is true, creates a minimal data object. Empty objects and undefined values will not be cloned. This makes the data payload sent to MongoDB as small as possible.
+ *
+ * Functions are never cloned.
+ *
+ * @param {Object} obj the object to clone
+ * @param {Object} options
+ * @param {Boolean} isArrayChild true if cloning immediately underneath an array. Special case for minimize.
+ * @return {Object} the cloned object
+ * @api private
+ */
+function d(t,e,r){if(null==t)return t;if(Array.isArray(t))return function(t,e){var r,o=[],i=n(t);try{for(i.s();!(r=i.n()).done;){var s=r.value;o.push(d(s,e,!0))}}catch(t){i.e(t)}finally{i.f()}return o}(t,e);if(c(t))return e&&e._skipSingleNestedGetters&&t.$isSingleNested&&(e=Object.assign({},e,{getters:!1})),y.isPOJO(t)&&null!=t.$__&&null!=t._doc?t._doc:e&&e.json&&"function"==typeof t.toJSON?t.toJSON(e):t.toObject(e);if(t.constructor)switch(l(t.constructor)){case"Object":return _(t,e,r);case"Date":return new t.constructor(+t);case"RegExp":return i(t)}return t instanceof a?new a(t.id):f(t,"Decimal128")?e&&e.flattenDecimals?t.toJSON():s.fromString(t.toString()):!t.constructor&&p(t)?_(t,e,r):t[h.schemaTypeSymbol]?t.clone():e&&e.bson&&"function"==typeof t.toBSON?t:null!=t.valueOf?t.valueOf():_(t,e,r)}
+/*!
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r(t){if(!(this instanceof r))return new r(t);this._bsontype="Double",this.value=t}r.prototype.valueOf=function(){return this.value},r.prototype.toJSON=function(){return this.value},t.exports=r,t.exports.Double=r},function(t,e){function r(t,e){if(!(this instanceof r))return new r(t,e);this._bsontype="Timestamp",this.low_=0|t,this.high_=0|e}r.prototype.toInt=function(){return this.low_},r.prototype.toNumber=function(){return this.high_*r.TWO_PWR_32_DBL_+this.getLowBitsUnsigned()},r.prototype.toJSON=function(){return this.toString()},r.prototype.toString=function(t){var e=t||10;if(e<2||36<e)throw Error("radix out of range: "+e);if(this.isZero())return"0";if(this.isNegative()){if(this.equals(r.MIN_VALUE)){var n=r.fromNumber(e),o=this.div(n),i=o.multiply(n).subtract(this);return o.toString(e)+i.toInt().toString(e)}return"-"+this.negate().toString(e)}var s=r.fromNumber(Math.pow(e,6));i=this;for(var a="";!i.isZero();){var u=i.div(s),c=i.subtract(u.multiply(s)).toInt().toString(e);if((i=u).isZero())return c+a;for(;c.length<6;)c="0"+c;a=""+c+a}},r.prototype.getHighBits=function(){return this.high_},r.prototype.getLowBits=function(){return this.low_},r.prototype.getLowBitsUnsigned=function(){return this.low_>=0?this.low_:r.TWO_PWR_32_DBL_+this.low_},r.prototype.getNumBitsAbs=function(){if(this.isNegative())return this.equals(r.MIN_VALUE)?64:this.negate().getNumBitsAbs();for(var t=0!==this.high_?this.high_:this.low_,e=31;e>0&&0==(t&1<<e);e--);return 0!==this.high_?e+33:e+1},r.prototype.isZero=function(){return 0===this.high_&&0===this.low_},r.prototype.isNegative=function(){return this.high_<0},r.prototype.isOdd=function(){return 1==(1&this.low_)},r.prototype.equals=function(t){return this.high_===t.high_&&this.low_===t.low_},r.prototype.notEquals=function(t){return this.high_!==t.high_||this.low_!==t.low_},r.prototype.lessThan=function(t){return 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t.isOdd()?r.MIN_VALUE:r.ZERO;if(t.equals(r.MIN_VALUE))return this.isOdd()?r.MIN_VALUE:r.ZERO;if(this.isNegative())return t.isNegative()?this.negate().multiply(t.negate()):this.negate().multiply(t).negate();if(t.isNegative())return this.multiply(t.negate()).negate();if(this.lessThan(r.TWO_PWR_24_)&&t.lessThan(r.TWO_PWR_24_))return r.fromNumber(this.toNumber()*t.toNumber());var e=this.high_>>>16,n=65535&this.high_,o=this.low_>>>16,i=65535&this.low_,s=t.high_>>>16,a=65535&t.high_,u=t.low_>>>16,c=65535&t.low_,l=0,f=0,p=0,h=0;return p+=(h+=i*c)>>>16,h&=65535,f+=(p+=o*c)>>>16,p&=65535,f+=(p+=i*u)>>>16,p&=65535,l+=(f+=n*c)>>>16,f&=65535,l+=(f+=o*u)>>>16,f&=65535,l+=(f+=i*a)>>>16,f&=65535,l+=e*c+n*u+o*a+i*s,l&=65535,r.fromBits(p<<16|h,l<<16|f)},r.prototype.div=function(t){if(t.isZero())throw Error("division by zero");if(this.isZero())return r.ZERO;if(this.equals(r.MIN_VALUE)){if(t.equals(r.ONE)||t.equals(r.NEG_ONE))return r.MIN_VALUE;if(t.equals(r.MIN_VALUE))return r.ONE;var e=this.shiftRight(1).div(t).shiftLeft(1);if(e.equals(r.ZERO))return t.isNegative()?r.ONE:r.NEG_ONE;var n=this.subtract(t.multiply(e));return e.add(n.div(t))}if(t.equals(r.MIN_VALUE))return r.ZERO;if(this.isNegative())return t.isNegative()?this.negate().div(t.negate()):this.negate().div(t).negate();if(t.isNegative())return this.div(t.negate()).negate();var o=r.ZERO;for(n=this;n.greaterThanOrEqual(t);){e=Math.max(1,Math.floor(n.toNumber()/t.toNumber()));for(var i=Math.ceil(Math.log(e)/Math.LN2),s=i<=48?1:Math.pow(2,i-48),a=r.fromNumber(e),u=a.multiply(t);u.isNegative()||u.greaterThan(n);)e-=s,u=(a=r.fromNumber(e)).multiply(t);a.isZero()&&(a=r.ONE),o=o.add(a),n=n.subtract(u)}return o},r.prototype.modulo=function(t){return this.subtract(this.div(t).multiply(t))},r.prototype.not=function(){return r.fromBits(~this.low_,~this.high_)},r.prototype.and=function(t){return r.fromBits(this.low_&t.low_,this.high_&t.high_)},r.prototype.or=function(t){return 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isNaN(t)||!isFinite(t)?r.ZERO:t<=-r.TWO_PWR_63_DBL_?r.MIN_VALUE:t+1>=r.TWO_PWR_63_DBL_?r.MAX_VALUE:t<0?r.fromNumber(-t).negate():new r(t%r.TWO_PWR_32_DBL_|0,t/r.TWO_PWR_32_DBL_|0)},r.fromBits=function(t,e){return new r(t,e)},r.fromString=function(t,e){if(0===t.length)throw Error("number format error: empty string");var n=e||10;if(n<2||36<n)throw Error("radix out of range: "+n);if("-"===t.charAt(0))return r.fromString(t.substring(1),n).negate();if(t.indexOf("-")>=0)throw Error('number format error: interior "-" character: '+t);for(var o=r.fromNumber(Math.pow(n,8)),i=r.ZERO,s=0;s<t.length;s+=8){var a=Math.min(8,t.length-s),u=parseInt(t.substring(s,s+a),n);if(a<8){var c=r.fromNumber(Math.pow(n,a));i=i.multiply(c).add(r.fromNumber(u))}else i=(i=i.multiply(o)).add(r.fromNumber(u))}return i},r.INT_CACHE_={},r.TWO_PWR_16_DBL_=65536,r.TWO_PWR_24_DBL_=1<<24,r.TWO_PWR_32_DBL_=r.TWO_PWR_16_DBL_*r.TWO_PWR_16_DBL_,r.TWO_PWR_31_DBL_=r.TWO_PWR_32_DBL_/2,r.TWO_PWR_48_DBL_=r.TWO_PWR_32_DBL_*r.TWO_PWR_16_DBL_,r.TWO_PWR_64_DBL_=r.TWO_PWR_32_DBL_*r.TWO_PWR_32_DBL_,r.TWO_PWR_63_DBL_=r.TWO_PWR_64_DBL_/2,r.ZERO=r.fromInt(0),r.ONE=r.fromInt(1),r.NEG_ONE=r.fromInt(-1),r.MAX_VALUE=r.fromBits(-1,2147483647),r.MIN_VALUE=r.fromBits(0,-2147483648),r.TWO_PWR_24_=r.fromInt(1<<24),t.exports=r,t.exports.Timestamp=r},function(t,e,r){(function(e,n){var o="inspect",i=r(16),s=parseInt(16777215*Math.random(),10),a=new RegExp("^[0-9a-fA-F]{24}$");try{if(e&&e.from){var u=!0;o=r(4).inspect.custom||"inspect"}}catch(t){u=!1}for(var c=function t(e){if(e instanceof t)return e;if(!(this instanceof t))return new t(e);if(this._bsontype="ObjectID",null==e||"number"==typeof e)return this.id=this.generate(e),void(t.cacheHexString&&(this.__id=this.toString("hex")));var r=t.isValid(e);if(!r&&null!=e)throw new 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+/*!
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+/*!
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+/*!
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+/*!
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+/*!
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+/*!
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if(b===BSON.BSON_DATA_MAX_KEY)v[w]=new MaxKey;else if(b===BSON.BSON_DATA_CODE){if((O=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24)<=0||O>e.length-r||0!==e[r+O-1])throw new Error("bad string length in bson");var U=e.toString("utf8",r,r+O-1);if(i)if(s){var V=a?u(U):U;v[w]=isolateEvalWithHash(functionCache,V,U,v)}else v[w]=isolateEval(U);else v[w]=new Code(U);r+=O}else if(b===BSON.BSON_DATA_CODE_W_SCOPE){var q=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24;if(q<13)throw new Error("code_w_scope total size shorter minimum expected length");if((O=e[r++]|e[r++]<<8|e[r++]<<16|e[r++]<<24)<=0||O>e.length-r||0!==e[r+O-1])throw new Error("bad string length in bson");U=e.toString("utf8",r,r+O-1),$=r+=O,E=e[r]|e[r+1]<<8|e[r+2]<<16|e[r+3]<<24;var W=t(e,$,n,!1);if(r+=E,q<8+E+O)throw new Error("code_w_scope total size is to short, truncating scope");if(q>8+E+O)throw new Error("code_w_scope total size is to long, clips outer 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isolateEval(functionString){var value=null;return eval("value = 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JS_INT_MAX_LONG=Long.fromNumber(9007199254740992),JS_INT_MIN_LONG=Long.fromNumber(-9007199254740992);module.exports=deserialize},function(t,e,r){"use strict";(function(e){function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}var o=r(107).writeIEEE754,i=r(25).Long,s=r(60),a=r(30).Binary,u=r(16).normalizedFunctionString,c=/\x00/,l=["$db","$ref","$id","$clusterTime"],f=function(t){return"object"===n(t)&&"[object Date]"===Object.prototype.toString.call(t)},p=function(t){return"[object RegExp]"===Object.prototype.toString.call(t)},h=function(t,e,r,n,o){t[n++]=C.BSON_DATA_STRING;var i=o?t.write(e,n,"ascii"):t.write(e,n,"utf8");t[(n=n+i+1)-1]=0;var s=t.write(r,n+4,"utf8");return 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+/*!
+ * ignore
+ */t.exports=r(39).Decimal128},function(t,e,r){"use strict";
+/*!
+ * [node-mongodb-native](https://github.com/mongodb/node-mongodb-native) ObjectId
+ * @constructor NodeMongoDbObjectId
+ * @see ObjectId
+ */var n=r(39).ObjectID;
+/*!
+ * Getter for convenience with populate, see gh-6115
+ */Object.defineProperty(n.prototype,"_id",{enumerable:!1,configurable:!0,get:function(){return this}}),
+/*!
+ * ignore
+ */
+t.exports=n},function(t,e,r){"use strict";
+/*!
+ * ignore
+ */t.exports=function(){}},function(t,e,r){"use strict";
+/*!
+ * Dependencies
+ */var n=r(113).ctor("require","modify","init","default","ignore");t.exports=function(){this.strictMode=void 0,this.selected=void 0,this.shardval=void 0,this.saveError=void 0,this.validationError=void 0,this.adhocPaths=void 0,this.removing=void 0,this.inserting=void 0,this.saving=void 0,this.version=void 0,this.getters={},this._id=void 0,this.populate=void 0,this.populated=void 0,this.wasPopulated=!1,this.scope=void 0,this.activePaths=new n,this.pathsToScopes={},this.cachedRequired={},this.session=null,this.$setCalled=new Set,this.ownerDocument=void 0,this.fullPath=void 0}},function(t,e,r){"use strict";
+/*!
+ * Module dependencies.
+ */var n=r(1),o=t.exports=function(){};
+/*!
+ * StateMachine represents a minimal `interface` for the
+ * constructors it builds via StateMachine.ctor(...).
+ *
+ * @api private
+ */
+/*!
+ * StateMachine.ctor('state1', 'state2', ...)
+ * A factory method for subclassing StateMachine.
+ * The arguments are a list of states. For each state,
+ * the constructor's prototype gets state transition
+ * methods named after each state. These transition methods
+ * place their path argument into the given state.
+ *
+ * @param {String} state
+ * @param {String} [state]
+ * @return {Function} subclass constructor
+ * @private
+ */
+o.ctor=function(){var t=n.args(arguments),e=function(){o.apply(this,arguments),this.paths={},this.states={},this.stateNames=t;for(var e,r=t.length;r--;)e=t[r],this.states[e]={}};return e.prototype=new o,t.forEach((function(t){e.prototype[t]=function(e){this._changeState(e,t)}})),e},
+/*!
+ * This function is wrapped by the state change functions:
+ *
+ * - `require(path)`
+ * - `modify(path)`
+ * - `init(path)`
+ *
+ * @api private
+ */
+o.prototype._changeState=function(t,e){var r=this.states[this.paths[t]];r&&delete r[t],this.paths[t]=e,this.states[e][t]=!0},
+/*!
+ * ignore
+ */
+o.prototype.clear=function(t){for(var e,r=Object.keys(this.states[t]),n=r.length;n--;)e=r[n],delete this.states[t][e],delete this.paths[e]},
+/*!
+ * Checks to see if at least one path is in the states passed in via `arguments`
+ * e.g., this.some('required', 'inited')
+ *
+ * @param {String} state that we want to check for.
+ * @private
+ */
+o.prototype.some=function(){var t=this,e=arguments.length?arguments:this.stateNames;return Array.prototype.some.call(e,(function(e){return Object.keys(t.states[e]).length}))},
+/*!
+ * This function builds the functions that get assigned to `forEach` and `map`,
+ * since both of those methods share a lot of the same logic.
+ *
+ * @param {String} iterMethod is either 'forEach' or 'map'
+ * @return {Function}
+ * @api private
+ */
+o.prototype._iter=function(t){return function(){var e=arguments.length,r=n.args(arguments,0,e-1),o=arguments[e-1];r.length||(r=this.stateNames);var i=this,s=r.reduce((function(t,e){return t.concat(Object.keys(i.states[e]))}),[]);return s[t]((function(t,e,r){return o(t,e,r)}))}},
+/*!
+ * Iterates over the paths that belong to one of the parameter states.
+ *
+ * The function profile can look like:
+ * this.forEach(state1, fn);         // iterates over all paths in state1
+ * this.forEach(state1, state2, fn); // iterates over all paths in state1 or state2
+ * this.forEach(fn);                 // iterates over all paths in all states
+ *
+ * @param {String} [state]
+ * @param {String} [state]
+ * @param {Function} callback
+ * @private
+ */
+o.prototype.forEach=function(){return this.forEach=this._iter("forEach"),this.forEach.apply(this,arguments)},
+/*!
+ * Maps over the paths that belong to one of the parameter states.
+ *
+ * The function profile can look like:
+ * this.forEach(state1, fn);         // iterates over all paths in state1
+ * this.forEach(state1, state2, fn); // iterates over all paths in state1 or state2
+ * this.forEach(fn);                 // iterates over all paths in all states
+ *
+ * @param {String} [state]
+ * @param {String} [state]
+ * @param {Function} callback
+ * @return {Array}
+ * @private
+ */
+o.prototype.map=function(){return this.map=this._iter("map"),this.map.apply(this,arguments)}},function(t,e){function r(t){return(r="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}var n=1e3,o=6e4,i=60*o,s=24*i;function a(t,e,r,n){var o=e>=1.5*r;return Math.round(t/r)+" "+n+(o?"s":"")}t.exports=function(t,e){e=e||{};var u=r(t);if("string"===u&&t.length>0)return function(t){if((t=String(t)).length>100)return;var e=/^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(t);if(!e)return;var r=parseFloat(e[1]);switch((e[2]||"ms").toLowerCase()){case"years":case"year":case"yrs":case"yr":case"y":return 315576e5*r;case"weeks":case"week":case"w":return 6048e5*r;case"days":case"day":case"d":return r*s;case"hours":case"hour":case"hrs":case"hr":case"h":return r*i;case"minutes":case"minute":case"mins":case"min":case"m":return r*o;case"seconds":case"second":case"secs":case"sec":case"s":return r*n;case"milliseconds":case"millisecond":case"msecs":case"msec":case"ms":return r;default:return}}(t);if("number"===u&&isFinite(t))return e.long?function(t){var e=Math.abs(t);if(e>=s)return a(t,e,s,"day");if(e>=i)return a(t,e,i,"hour");if(e>=o)return a(t,e,o,"minute");if(e>=n)return a(t,e,n,"second");return t+" ms"}(t):function(t){var e=Math.abs(t);if(e>=s)return Math.round(t/s)+"d";if(e>=i)return Math.round(t/i)+"h";if(e>=o)return Math.round(t/o)+"m";if(e>=n)return Math.round(t/n)+"s";return t+"ms"}(t);throw new Error("val is not a non-empty string or a valid number. val="+JSON.stringify(t))}},function(t,e,r){function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}var o=r(116),i=["__proto__","constructor","prototype"];
+/*!
+ * Returns the value passed to it.
+ */
+function s(t){return t}e.get=function(t,r,i,a){var u;"function"==typeof i&&(i.length<2?(a=i,i=void 0):(u=i,i=void 0)),a||(a=s);var c="string"==typeof t?o(t):t;if(!Array.isArray(c))throw new TypeError("Invalid `path`. Must be either string or array");for(var l,f=r,p=0;p<c.length;++p){if(l=c[p],"string"!=typeof c[p]&&"number"!=typeof c[p])throw new TypeError("Each segment of path to `get()` must be a string or number, got "+n(c[p]));if(Array.isArray(f)&&!/^\d+$/.test(l)){var h=c.slice(p);return[].concat(f).map((function(t){return t?e.get(h,t,i||u,a):a(void 0)}))}if(u)f=u(f,l);else{var y=i&&f[i]?f[i]:f;f=y instanceof Map?y.get(l):y[l]}if(!f)return a(f)}return a(f)},e.has=function(t,e){var r="string"==typeof t?o(t):t;if(!Array.isArray(r))throw new TypeError("Invalid `path`. Must be either string or array");for(var i=r.length,s=e,a=0;a<i;++a){if("string"!=typeof r[a]&&"number"!=typeof r[a])throw new TypeError("Each segment of path to `has()` must be a string or number, got "+n(r[a]));if(null==s||"object"!==n(s)||!(r[a]in s))return!1;s=s[r[a]]}return!0},e.unset=function(t,e){var r="string"==typeof t?o(t):t;if(!Array.isArray(r))throw new TypeError("Invalid `path`. Must be either string or array");for(var s=r.length,a=e,u=0;u<s;++u){if(null==a||"object"!==n(a)||!(r[u]in a))return!1;if("string"!=typeof r[u]&&"number"!=typeof r[u])throw new TypeError("Each segment of path to `unset()` must be a string or number, got "+n(r[u]));if(-1!==i.indexOf(r[u]))return!1;if(u===s-1)return delete a[r[u]],!0;a=a instanceof Map?a.get(r[u]):a[r[u]]}return!0},e.set=function(t,r,a,u,c,l){var f;"function"==typeof u&&(u.length<2?(c=u,u=void 0):(f=u,u=void 0)),c||(c=s);var p="string"==typeof t?o(t):t;if(!Array.isArray(p))throw new TypeError("Invalid `path`. Must be either string or array");if(null!=a){for(var h=0;h<p.length;++h){if("string"!=typeof p[h]&&"number"!=typeof p[h])throw new TypeError("Each segment of path to `set()` must be a string or number, got "+n(p[h]));if(-1!==i.indexOf(p[h]))return}for(var y,d=l||/\$/.test(t)&&!1!==l,_=a,v=(h=0,p.length-1);h<v;++h)if("$"!=(y=p[h])){if(Array.isArray(_)&&!/^\d+$/.test(y)){var m=p.slice(h);if(!d&&Array.isArray(r))for(var b=0;b<_.length&&b<r.length;++b)e.set(m,r[b],_[b],u||f,c,d);else for(b=0;b<_.length;++b)e.set(m,r,_[b],u||f,c,d);return}if(f)_=f(_,y);else{var g=u&&_[u]?_[u]:_;_=g instanceof Map?g.get(y):g[y]}if(!_)return}else if(h==v-1)break;if(y=p[v],u&&_[u]&&(_=_[u]),Array.isArray(_)&&!/^\d+$/.test(y))if(!d&&Array.isArray(r))!
+/*!
+ * Recursively set nested arrays
+ */
+function t(e,r,n,o,i,s){for(var a,u=0;u<e.length&&u<r.length;++u)a=e[u],Array.isArray(a)&&Array.isArray(r[u])?t(a,r[u],n,o,i,s):a&&(o?o(a,n,s(r[u])):(a[i]&&(a=a[i]),a[n]=s(r[u])))}(_,r,y,f,u,c);else for(b=0;b<_.length;++b){var w=_[b];w&&(f?f(w,y,c(r)):(w[u]&&(w=w[u]),w[y]=c(r)))}else f?f(_,y,c(r)):_ instanceof Map?_.set(y,c(r)):_[y]=c(r)}}},function(t,e,r){"use strict";t.exports=function(t){for(var e=[],r="",n="DEFAULT",o=0;o<t.length;++o)"IN_SQUARE_BRACKETS"!==n||/\d/.test(t[o])||"]"===t[o]||(n="DEFAULT",r=e[e.length-1]+"["+r,e.splice(e.length-1,1)),"["===t[o]?("IMMEDIATELY_AFTER_SQUARE_BRACKETS"!==n&&(e.push(r),r=""),n="IN_SQUARE_BRACKETS"):"]"===t[o]?"IN_SQUARE_BRACKETS"===n?(n="IMMEDIATELY_AFTER_SQUARE_BRACKETS",e.push(r),r=""):(n="DEFAULT",r+=t[o]):"."===t[o]?("IMMEDIATELY_AFTER_SQUARE_BRACKETS"!==n&&(e.push(r),r=""),n="DEFAULT"):r+=t[o];return"IMMEDIATELY_AFTER_SQUARE_BRACKETS"!==n&&e.push(r),e}},function(t,e,r){"use strict";function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}function i(t,e,r){return e&&o(t.prototype,e),r&&o(t,r),Object.defineProperty(t,"prototype",{writable:!1}),t}var s=r(26),a=i((function t(e){if(function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,t),this._docs={},this._childDocs=[],null!=e&&(e=s(e),Object.assign(this,e),"object"===n(e.subPopulate)&&(this.populate=e.subPopulate),null!=e.perDocumentLimit&&null!=e.limit))throw new Error("Can not use `limit` and `perDocumentLimit` at the same time. Path: `"+e.path+"`.")}));t.exports=a},function(t,e,r){"use strict";
+/*
+object-assign
+(c) Sindre Sorhus
+@license MIT
+*/var n=Object.getOwnPropertySymbols,o=Object.prototype.hasOwnProperty,i=Object.prototype.propertyIsEnumerable;function s(t){if(null==t)throw new TypeError("Object.assign cannot be called with null or undefined");return Object(t)}t.exports=function(){try{if(!Object.assign)return!1;var t=new String("abc");if(t[5]="de","5"===Object.getOwnPropertyNames(t)[0])return!1;for(var e={},r=0;r<10;r++)e["_"+String.fromCharCode(r)]=r;if("0123456789"!==Object.getOwnPropertyNames(e).map((function(t){return e[t]})).join(""))return!1;var n={};return"abcdefghijklmnopqrst".split("").forEach((function(t){n[t]=t})),"abcdefghijklmnopqrst"===Object.keys(Object.assign({},n)).join("")}catch(t){return!1}}()?Object.assign:function(t,e){for(var r,a,u=s(t),c=1;c<arguments.length;c++){for(var l in r=Object(arguments[c]))o.call(r,l)&&(u[l]=r[l]);if(n){a=n(r);for(var f=0;f<a.length;f++)i.call(r,a[f])&&(u[a[f]]=r[a[f]])}}return u}},function(t,e,r){"use strict";function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}var o=r(63),i=r(23),s=r(4),a=r(69),u=r(122)("mquery");function c(t,e){if(!(this instanceof c))return new c(t,e);var r=this.constructor.prototype;this.op=r.op||void 0,this.options=Object.assign({},r.options),this._conditions=r._conditions?a.clone(r._conditions):{},this._fields=r._fields?a.clone(r._fields):void 0,this._update=r._update?a.clone(r._update):void 0,this._path=r._path||void 0,this._distinct=r._distinct||void 0,this._collection=r._collection||void 0,this._traceFunction=r._traceFunction||void 0,e&&this.setOptions(e),t&&(t.find&&t.remove&&t.update?this.collection(t):this.find(t))}var l="$geoWithin";Object.defineProperty(c,"use$geoWithin",{get:function(){return"$geoWithin"==l},set:function(t){l=!0===t?"$geoWithin":"$within"}}),c.prototype.toConstructor=function(){function t(e,r){if(!(this instanceof t))return new t(e,r);c.call(this,e,r)}a.inherits(t,c);var e=t.prototype;return e.options={},e.setOptions(this.options),e.op=this.op,e._conditions=a.clone(this._conditions),e._fields=a.clone(this._fields),e._update=a.clone(this._update),e._path=this._path,e._distinct=this._distinct,e._collection=this._collection,e._traceFunction=this._traceFunction,t},c.prototype.setOptions=function(t){if(!t||!a.isObject(t))return this;for(var e,r=a.keys(t),n=0;n<r.length;++n)if("function"==typeof this[e=r[n]]){var o=a.isArray(t[e])?t[e]:[t[e]];this[e].apply(this,o)}else this.options[e]=t[e];return this},c.prototype.collection=function(t){return this._collection=new c.Collection(t),this},c.prototype.collation=function(t){return this.options.collation=t,this},c.prototype.$where=function(t){return this._conditions.$where=t,this},c.prototype.where=function(){if(!arguments.length)return this;this.op||(this.op="find");var t=n(arguments[0]);if("string"==t)return this._path=arguments[0],2===arguments.length&&(this._conditions[this._path]=arguments[1]),this;if("object"==t&&!Array.isArray(arguments[0]))return this.merge(arguments[0]);throw new TypeError("path must be a string or object")},c.prototype.equals=function(t){this._ensurePath("equals");var e=this._path;return this._conditions[e]=t,this},c.prototype.eq=function(t){this._ensurePath("eq");var e=this._path;return this._conditions[e]=t,this},c.prototype.or=function(t){var e=this._conditions.$or||(this._conditions.$or=[]);return a.isArray(t)||(t=[t]),e.push.apply(e,t),this},c.prototype.nor=function(t){var e=this._conditions.$nor||(this._conditions.$nor=[]);return a.isArray(t)||(t=[t]),e.push.apply(e,t),this},c.prototype.and=function(t){var e=this._conditions.$and||(this._conditions.$and=[]);return Array.isArray(t)||(t=[t]),e.push.apply(e,t),this},
+/*!
+ * gt, gte, lt, lte, ne, in, nin, all, regex, size, maxDistance
+ *
+ *     Thing.where('type').nin(array)
+ */
+"gt gte lt lte ne in nin all regex size maxDistance minDistance".split(" ").forEach((function(t){c.prototype[t]=function(){var e,r;1===arguments.length?(this._ensurePath(t),r=arguments[0],e=this._path):(r=arguments[1],e=arguments[0]);var o=null===this._conditions[e]||"object"===n(this._conditions[e])?this._conditions[e]:this._conditions[e]={};return o["$"+t]=r,this}})),c.prototype.mod=function(){var t,e;1===arguments.length?(this._ensurePath("mod"),t=arguments[0],e=this._path):2!==arguments.length||a.isArray(arguments[1])?3===arguments.length?(t=o(arguments,1),e=arguments[0]):(t=arguments[1],e=arguments[0]):(this._ensurePath("mod"),t=o(arguments),e=this._path);var r=this._conditions[e]||(this._conditions[e]={});return r.$mod=t,this},c.prototype.exists=function(){var t,e;0===arguments.length?(this._ensurePath("exists"),t=this._path,e=!0):1===arguments.length?"boolean"==typeof arguments[0]?(this._ensurePath("exists"),t=this._path,e=arguments[0]):(t=arguments[0],e=!0):2===arguments.length&&(t=arguments[0],e=arguments[1]);var r=this._conditions[t]||(this._conditions[t]={});return r.$exists=e,this},c.prototype.elemMatch=function(){if(null==arguments[0])throw new TypeError("Invalid argument");var t,e,r;if("function"==typeof arguments[0])this._ensurePath("elemMatch"),e=this._path,t=arguments[0];else if(a.isObject(arguments[0]))this._ensurePath("elemMatch"),e=this._path,r=arguments[0];else if("function"==typeof arguments[1])e=arguments[0],t=arguments[1];else{if(!arguments[1]||!a.isObject(arguments[1]))throw new TypeError("Invalid argument");e=arguments[0],r=arguments[1]}t&&(t(r=new c),r=r._conditions);var n=this._conditions[e]||(this._conditions[e]={});return n.$elemMatch=r,this},c.prototype.within=function(){if(this._ensurePath("within"),this._geoComparison=l,0===arguments.length)return this;if(2===arguments.length)return this.box.apply(this,arguments);if(2<arguments.length)return this.polygon.apply(this,arguments);var t=arguments[0];if(!t)throw new TypeError("Invalid argument");if(t.center)return this.circle(t);if(t.box)return this.box.apply(this,t.box);if(t.polygon)return this.polygon.apply(this,t.polygon);if(t.type&&t.coordinates)return this.geometry(t);throw new TypeError("Invalid argument")},c.prototype.box=function(){var t,e;if(3===arguments.length)t=arguments[0],e=[arguments[1],arguments[2]];else{if(2!==arguments.length)throw new TypeError("Invalid argument");this._ensurePath("box"),t=this._path,e=[arguments[0],arguments[1]]}var r=this._conditions[t]||(this._conditions[t]={});return r[this._geoComparison||l]={$box:e},this},c.prototype.polygon=function(){var t,e;"string"==typeof arguments[0]?(e=arguments[0],t=o(arguments,1)):(this._ensurePath("polygon"),e=this._path,t=o(arguments));var r=this._conditions[e]||(this._conditions[e]={});return r[this._geoComparison||l]={$polygon:t},this},c.prototype.circle=function(){var t,e;if(1===arguments.length)this._ensurePath("circle"),t=this._path,e=arguments[0];else{if(2!==arguments.length)throw new TypeError("Invalid argument");t=arguments[0],e=arguments[1]}if(!("radius"in e)||!e.center)throw new Error("center and radius are required");var r=this._conditions[t]||(this._conditions[t]={}),n=e.spherical?"$centerSphere":"$center",o=this._geoComparison||l;return r[o]={},r[o][n]=[e.center,e.radius],"unique"in e&&(r[o].$uniqueDocs=!!e.unique),this},c.prototype.near=function(){var t,e;if(this._geoComparison="$near",0===arguments.length)return this;if(1===arguments.length)this._ensurePath("near"),t=this._path,e=arguments[0];else{if(2!==arguments.length)throw new TypeError("Invalid argument");t=arguments[0],e=arguments[1]}if(!e.center)throw new Error("center is required");var r=this._conditions[t]||(this._conditions[t]={}),n=e.spherical?"$nearSphere":"$near";if(Array.isArray(e.center)){r[n]=e.center;var o="maxDistance"in e?e.maxDistance:null;null!=o&&(r.$maxDistance=o),null!=e.minDistance&&(r.$minDistance=e.minDistance)}else{if("Point"!=e.center.type||!Array.isArray(e.center.coordinates))throw new Error(s.format("Invalid GeoJSON specified for %s",n));r[n]={$geometry:e.center},"maxDistance"in e&&(r[n].$maxDistance=e.maxDistance),"minDistance"in e&&(r[n].$minDistance=e.minDistance)}return this},c.prototype.intersects=function(){if(this._ensurePath("intersects"),this._geoComparison="$geoIntersects",0===arguments.length)return this;var t=arguments[0];if(null!=t&&t.type&&t.coordinates)return this.geometry(t);throw new TypeError("Invalid argument")},c.prototype.geometry=function(){if("$within"!=this._geoComparison&&"$geoWithin"!=this._geoComparison&&"$near"!=this._geoComparison&&"$geoIntersects"!=this._geoComparison)throw new Error("geometry() must come after `within()`, `intersects()`, or `near()");var t,e;if(1!==arguments.length)throw new TypeError("Invalid argument");if(this._ensurePath("geometry"),e=this._path,!(t=arguments[0]).type||!Array.isArray(t.coordinates))throw new TypeError("Invalid argument");var r=this._conditions[e]||(this._conditions[e]={});return r[this._geoComparison]={$geometry:t},this},c.prototype.select=function(){var t=arguments[0];if(!t)return this;if(1!==arguments.length)throw new Error("Invalid select: select only takes 1 argument");this._validate("select");var e,r,o=this._fields||(this._fields={}),i=n(t);if(("string"==i||a.isArgumentsObject(t))&&"number"==typeof t.length||Array.isArray(t)){for("string"==i&&(t=t.split(/\s+/)),e=0,r=t.length;e<r;++e){var s=t[e];if(s){var u="-"==s[0]?0:1;0===u&&(s=s.substring(1)),o[s]=u}}return this}if(a.isObject(t)){var c=a.keys(t);for(e=0;e<c.length;++e)o[c[e]]=t[c[e]];return this}throw new TypeError("Invalid select() argument. Must be string or object.")},c.prototype.slice=function(){if(0===arguments.length)return this;var t,e;if(this._validate("slice"),1===arguments.length){var r=arguments[0];if("object"===n(r)&&!Array.isArray(r)){for(var i=Object.keys(r),s=i.length,a=0;a<s;++a)this.slice(i[a],r[i[a]]);return this}this._ensurePath("slice"),t=this._path,e=arguments[0]}else 2===arguments.length?"number"==typeof arguments[0]?(this._ensurePath("slice"),t=this._path,e=o(arguments)):(t=arguments[0],e=arguments[1]):3===arguments.length&&(t=arguments[0],e=o(arguments,1));var u=this._fields||(this._fields={});return u[t]={$slice:e},this},c.prototype.sort=function(t){if(!t)return this;var e,r,o;this._validate("sort");var i=n(t);if(Array.isArray(t)){for(r=t.length,e=0;e<t.length;++e){if(!Array.isArray(t[e]))throw new Error("Invalid sort() argument, must be array of arrays");h(this.options,t[e][0],t[e][1])}return this}if(1===arguments.length&&"string"==i){for(r=(t=t.split(/\s+/)).length,e=0;e<r;++e)if(o=t[e]){var s="-"==o[0]?-1:1;-1===s&&(o=o.substring(1)),p(this.options,o,s)}return this}if(a.isObject(t)){var u=a.keys(t);for(e=0;e<u.length;++e)o=u[e],p(this.options,o,t[o]);return this}if("undefined"!=typeof Map&&t instanceof Map)return y(this.options,t),this;throw new TypeError("Invalid sort() argument. Must be a string, object, or array.")};
+/*!
+ * @ignore
+ */
+var f={1:1,"-1":-1,asc:1,ascending:1,desc:-1,descending:-1};function p(t,e,r){if(Array.isArray(t.sort))throw new TypeError("Can't mix sort syntaxes. Use either array or object:\n- `.sort([['field', 1], ['test', -1]])`\n- `.sort({ field: 1, test: -1 })`");var n;if(r&&r.$meta)(n=t.sort||(t.sort={}))[e]={$meta:r.$meta};else{n=t.sort||(t.sort={});var o=String(r||1).toLowerCase();if(!(o=f[o]))throw new TypeError("Invalid sort value: { "+e+": "+r+" }");n[e]=o}}function h(t,e,r){if(t.sort=t.sort||[],!Array.isArray(t.sort))throw new TypeError("Can't mix sort syntaxes. Use either array or object:\n- `.sort([['field', 1], ['test', -1]])`\n- `.sort({ field: 1, test: -1 })`");var n=String(r||1).toLowerCase();if(!(n=f[n]))throw new TypeError("Invalid sort value: [ "+e+", "+r+" ]");t.sort.push([e,n])}function y(t,e){if(t.sort=t.sort||new Map,!(t.sort instanceof Map))throw new TypeError("Can't mix sort syntaxes. Use either array or object or map consistently");e.forEach((function(e,r){var n=String(e||1).toLowerCase();if(!(n=f[n]))throw new TypeError("Invalid sort value: < "+r+": "+e+" >");t.sort.set(r,n)}))}
+/*!
+ * limit, skip, maxScan, batchSize, comment
+ *
+ * Sets these associated options.
+ *
+ *     query.comment('feed query');
+ */
+/*!
+ * Internal helper for update, updateMany, updateOne
+ */
+function d(t,e,r,n,o,i,s){return t.op=e,c.canMerge(r)&&t.merge(r),n&&t._mergeUpdate(n),a.isObject(o)&&t.setOptions(o),i||s?!t._update||!t.options.overwrite&&0===a.keys(t._update).length?(s&&a.soon(s.bind(null,null,0)),t):(o=t._optionsForExec(),s||(o.safe=!1),r=t._conditions,n=t._updateForExec(),u("update",t._collection.collectionName,r,n,o),s=t._wrapCallback(e,s,{conditions:r,doc:n,options:o}),t._collection[e](r,n,o,a.tick(s)),t):t}["limit","skip","maxScan","batchSize","comment"].forEach((function(t){c.prototype[t]=function(e){return this._validate(t),this.options[t]=e,this}})),c.prototype.maxTime=c.prototype.maxTimeMS=function(t){return this._validate("maxTime"),this.options.maxTimeMS=t,this},c.prototype.snapshot=function(){return this._validate("snapshot"),this.options.snapshot=!arguments.length||!!arguments[0],this},c.prototype.hint=function(){if(0===arguments.length)return this;this._validate("hint");var t=arguments[0];if(a.isObject(t)){var e=this.options.hint||(this.options.hint={});for(var r in t)e[r]=t[r];return this}if("string"==typeof t)return this.options.hint=t,this;throw new TypeError("Invalid hint. "+t)},c.prototype.j=function(t){return this.options.j=t,this},c.prototype.slaveOk=function(t){return this.options.slaveOk=!arguments.length||!!t,this},c.prototype.read=c.prototype.setReadPreference=function(t){return arguments.length>1&&!c.prototype.read.deprecationWarningIssued&&(console.error("Deprecation warning: 'tags' argument is not supported anymore in Query.read() method. Please use mongodb.ReadPreference object instead."),c.prototype.read.deprecationWarningIssued=!0),this.options.readPreference=a.readPref(t),this},c.prototype.readConcern=c.prototype.r=function(t){return this.options.readConcern=a.readConcern(t),this},c.prototype.tailable=function(){return this._validate("tailable"),this.options.tailable=!arguments.length||!!arguments[0],this},c.prototype.writeConcern=c.prototype.w=function(t){return"object"===n(t)?(void 0!==t.j&&(this.options.j=t.j),void 0!==t.w&&(this.options.w=t.w),void 0!==t.wtimeout&&(this.options.wtimeout=t.wtimeout)):this.options.w="m"===t?"majority":t,this},c.prototype.wtimeout=c.prototype.wTimeout=function(t){return this.options.wtimeout=t,this},c.prototype.merge=function(t){if(!t)return this;if(!c.canMerge(t))throw new TypeError("Invalid argument. Expected instanceof mquery or plain object");return t instanceof c?(t._conditions&&a.merge(this._conditions,t._conditions),t._fields&&(this._fields||(this._fields={}),a.merge(this._fields,t._fields)),t.options&&(this.options||(this.options={}),a.merge(this.options,t.options)),t._update&&(this._update||(this._update={}),a.mergeClone(this._update,t._update)),t._distinct&&(this._distinct=t._distinct),this):(a.merge(this._conditions,t),this)},c.prototype.find=function(t,e){if(this.op="find","function"==typeof t?(e=t,t=void 0):c.canMerge(t)&&this.merge(t),!e)return this;var r=this._conditions,n=this._optionsForExec();return this.$useProjection?n.projection=this._fieldsForExec():n.fields=this._fieldsForExec(),u("find",this._collection.collectionName,r,n),e=this._wrapCallback("find",e,{conditions:r,options:n}),this._collection.find(r,n,a.tick(e)),this},c.prototype.cursor=function(t){if(this.op){if("find"!==this.op)throw new TypeError(".cursor only support .find method")}else this.find(t);var e=this._conditions,r=this._optionsForExec();return this.$useProjection?r.projection=this._fieldsForExec():r.fields=this._fieldsForExec(),u("findCursor",this._collection.collectionName,e,r),this._collection.findCursor(e,r)},c.prototype.findOne=function(t,e){if(this.op="findOne","function"==typeof t?(e=t,t=void 0):c.canMerge(t)&&this.merge(t),!e)return this;var r=this._conditions,n=this._optionsForExec();return this.$useProjection?n.projection=this._fieldsForExec():n.fields=this._fieldsForExec(),u("findOne",this._collection.collectionName,r,n),e=this._wrapCallback("findOne",e,{conditions:r,options:n}),this._collection.findOne(r,n,a.tick(e)),this},c.prototype.count=function(t,e){if(this.op="count",this._validate(),"function"==typeof t?(e=t,t=void 0):c.canMerge(t)&&this.merge(t),!e)return this;var r=this._conditions,n=this._optionsForExec();return u("count",this._collection.collectionName,r,n),e=this._wrapCallback("count",e,{conditions:r,options:n}),this._collection.count(r,n,a.tick(e)),this},c.prototype.distinct=function(t,e,r){if(this.op="distinct",this._validate(),!r){switch(n(e)){case"function":r=e,"string"==typeof t&&(e=t,t=void 0);break;case"undefined":case"string":break;default:throw new TypeError("Invalid `field` argument. 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+/* @preserve
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2013-2017 Petka Antonov
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ * 
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+/*!
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+ * document arrays, and embedded discriminators.
+ */
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+/*!
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+   *
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+   */
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+/*!
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+/*!
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+ */function n(t,e){var r="undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(!r){if(Array.isArray(t)||(r=function(t,e){if(!t)return;if("string"==typeof t)return o(t,e);var r=Object.prototype.toString.call(t).slice(8,-1);"Object"===r&&t.constructor&&(r=t.constructor.name);if("Map"===r||"Set"===r)return Array.from(t);if("Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r))return o(t,e)}(t))||e&&t&&"number"==typeof t.length){r&&(t=r);var n=0,i=function(){};return{s:i,n:function(){return n>=t.length?{done:!0}:{done:!1,value:t[n++]}},e:function(t){throw t},f:i}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var s,a=!0,u=!1;return{s:function(){r=r.call(t)},n:function(){var t=r.next();return a=t.done,t},e:function(t){u=!0,s=t},f:function(){try{a||null==r.return||r.return()}finally{if(u)throw s}}}}function 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+/*!
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+ * @param {String} [path] path to associate with any errors that occured
+ * @return {Object} casted object
+ * @see https://docs.mongodb.com/manual/reference/operator/query/text/
+ * @api private
+ */
+t.exports=function(t,e){if(null==t||"object"!==n(t))throw new o("$text",t,e);return null!=t.$search&&(t.$search=s(t.$search,e+".$search")),null!=t.$language&&(t.$language=s(t.$language,e+".$language")),null!=t.$caseSensitive&&(t.$caseSensitive=i(t.$caseSensitive,e+".$castSensitive")),null!=t.$diacriticSensitive&&(t.$diacriticSensitive=i(t.$diacriticSensitive,e+".$diacriticSensitive")),t}},function(t,e,r){"use strict";var n=r(82);
+/*!
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+*
+* @param {Schema} schema
+* @param {string} value
+*/t.exports=function(t,e){if(null==t||null==t.discriminators)return null;for(var r=0,o=Object.keys(t.discriminators);r<o.length;r++){var i=o[r],s=t.discriminators[i];if(null!=s.discriminatorMapping&&n(s.discriminatorMapping.value,e))return s}return null}},function(t,e,r){"use strict";function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){for(var r=0;r<e.length;r++){var n=e[r];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}function i(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function s(t,e){return(s=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t})(t,e)}function a(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(t){return!1}}();return function(){var r,n=c(t);if(e){var o=c(this).constructor;r=Reflect.construct(n,arguments,o)}else r=n.apply(this,arguments);return u(this,r)}}function u(t,e){if(e&&("object"===n(e)||"function"==typeof e))return e;if(void 0!==e)throw new TypeError("Derived constructors may only return object or undefined");return function(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}(t)}function c(t){return(c=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}var l=function(t){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),Object.defineProperty(t,"prototype",{writable:!1}),e&&s(t,e)}(c,t);var e,r,n,u=a(c);function c(){return i(this,c),u.apply(this,arguments)}return e=c,r&&o(e.prototype,r),n&&o(e,n),Object.defineProperty(e,"prototype",{writable:!1}),e}(r(7)),f=r(8);Object.defineProperty(l.prototype,"excludeIndexes",f),Object.defineProperty(l.prototype,"_id",f),
+/*!
+ * ignore
+ */
+t.exports=l},function(t,e,r){"use strict";
+/*!
+ * Module dependencies.
+ */function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}var o,i=r(13),s=r(19).EventEmitter,a=r(75),u=r(162),c=r(6),l=r(52),f=r(36).castToNumber,p=r(93),h=r(84),y=r(3),d=r(95),_=r(94),v=r(17).internalToObjectOptions;function m(t,e,r){t=_(t,r),this.caster=b(t),this.caster.path=e,this.caster.prototype.$basePath=e,this.schema=t,this.$isSingleNested=!0,c.call(this,e,r,"Embedded")}
+/*!
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+ */
+/*!
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+ */
+function b(t,e){o||(o=r(92));var n=function(t,e,r){var n=this;this.$__parent=r,o.apply(this,arguments),this.$session(this.ownerDocument().$session()),r&&(r.on("save",(function(){n.emit("save",n),n.constructor.emit("save",n)})),r.on("isNew",(function(t){n.isNew=t,n.emit("isNew",t),n.constructor.emit("isNew",t)})))},i=null!=e?e.prototype:o.prototype;for(var a in(n.prototype=Object.create(i)).$__setSchema(t),n.prototype.constructor=n,n.schema=t,n.$isSingleNested=!0,n.events=new s,n.prototype.toBSON=function(){return this.toObject(v)},t.methods)n.prototype[a]=t.methods[a];for(var u in t.statics)n[u]=t.statics[u];for(var c in s.prototype)n[c]=s.prototype[c];return n}
+/*!
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+/*!
+ * ignore
+ */
+m.prototype.$conditionalHandlers.$near=m.prototype.$conditionalHandlers.$nearSphere=h.cast$near,m.prototype.$conditionalHandlers.$within=m.prototype.$conditionalHandlers.$geoWithin=h.cast$within,m.prototype.$conditionalHandlers.$geoIntersects=h.cast$geoIntersects,m.prototype.$conditionalHandlers.$minDistance=f,m.prototype.$conditionalHandlers.$maxDistance=f,m.prototype.$conditionalHandlers.$exists=l,m.prototype.cast=function(t,e,r,o,i){if(t&&t.$isSingleNested&&t.parent===e)return t;if(null!=t&&("object"!==n(t)||Array.isArray(t)))throw new a(this.path,t);var s,u=d(this.caster,t),c=y(e,"$__.selected",{}),l=this.path,f=Object.keys(c).reduce((function(t,e){return e.startsWith(l+".")&&(t[e.substr(l.length+1)]=c[e]),t}),{});return i=Object.assign({},i,{priorDoc:o}),r?((s=new u(void 0,f,e)).init(t),s):0===Object.keys(t).length?new u({},f,e,void 0,i):new u(t,f,e,void 0,i)},m.prototype.castForQuery=function(t,e,r){var n;if(2===arguments.length){if(!(n=this.$conditionalHandlers[t]))throw new Error("Can't use "+t);return n.call(this,e)}if(null==(e=t))return e;this.options.runSetters&&(e=this._applySetters(e));var o=d(this.caster,e),s=null!=r&&null!=r.strict?r.strict:void 0;try{e=new o(e,s)}catch(t){if(!(t instanceof i))throw new i("Embedded",e,this.path,t,this);throw t}return e},m.prototype.doValidate=function(t,e,r,n){var o=d(this.caster,t);if(n&&n.skipSchemaValidators)return t instanceof o||(t=new o(t,null,r)),t.validate(e);c.prototype.doValidate.call(this,t,(function(r){return r?e(r):t?void t.validate(e):e(null)}),r,n)},m.prototype.doValidateSync=function(t,e,r){if(!r||!r.skipSchemaValidators){var n=c.prototype.doValidateSync.call(this,t,e);if(n)return n}if(t)return t.validateSync()},m.prototype.discriminator=function(t,e,r){return e=p(this.caster,t,e,r),this.caster.discriminators[t]=b(e,this.caster),this.caster.discriminators[t]},m.defaultOptions={},m.set=c.set,
+/*!
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+/*!
+ * Module dependencies.
+ */
+function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}var o=r(15).get().Binary,i=r(20),s=r(11),a=r(31);
+/*!
+ * ignore
+ */
+function u(e){return e&&"object"===n(e)&&!(e instanceof Date)&&!(e instanceof s)&&(!Array.isArray(e)||e.length>0)&&!(e instanceof t)&&!(e instanceof i)&&!(e instanceof o)}e.flatten=
+/*!
+ * ignore
+ */
+function e(r,n,o,i){var s;s=r&&a(r)&&!t.isBuffer(r)?Object.keys(r.toObject({transform:!1,virtuals:!1})):Object.keys(r||{});var c=s.length,l={};n=n?n+".":"";for(var f=0;f<c;++f){var p=s[f],h=r[p];l[n+p]=h;var y=i&&i.path&&i.path(n+p),d=i&&i.nested&&i.nested[n+p];if(!y||"Mixed"!==y.instance){if(u(h)){if(o&&o.skipArrays&&Array.isArray(h))continue;var _=e(h,n+p,o,i);for(var v in _)l[v]=_[v];Array.isArray(h)&&(l[n+p]=h)}if(d)for(var m=Object.keys(i.paths),b=0,g=m;b<g.length;b++){var w=g[b];w.startsWith(n+p+".")&&!l.hasOwnProperty(w)&&(l[w]=void 0)}}}return l}
+/*!
+ * ignore
+ */,e.modifiedPaths=function e(r,n,o){var i=Object.keys(r||{}),s=i.length;o=o||{},n=n?n+".":"";for(var c=0;c<s;++c){var l=i[c],f=r[l];o[n+l]=!0,a(f)&&!t.isBuffer(f)&&(f=f.toObject({transform:!1,virtuals:!1})),u(f)&&e(f,n+l,o)}return o}}).call(this,r(2).Buffer)},function(t,e,r){"use strict";var n=r(3);
+/*!
+ * Like `schema.path()`, except with a document, because impossible to
+ * determine path type without knowing the embedded discriminator key.
+ */t.exports=function t(e,r,o){for(var i=(o=o||{}).typeOnly,s=r.split("."),a=null,u="adhocOrUndefined",c=0;c<s.length;++c){var l=s.slice(0,c+1).join(".");if(null!=(a=e.schema.path(l))){if("Mixed"===a.instance)return i?"real":a;if(u=e.schema.pathType(l),(a.$isSingleNested||a.$isMongooseDocumentArrayElement)&&null!=a.schema.discriminators){var f=a.schema.discriminators,p=e.get(l+"."+n(a,"schema.options.discriminatorKey"));if(null==p||null==f[p])continue;var h=s.slice(c+1).join(".");return t(e.get(l),h,o)}}else u="adhocOrUndefined"}return i?u:a}},function(t,e,r){"use strict";
+/*!
+ * ignore
+ */
+/*!
+ * Returns this documents _id cast to a string.
+ */
+function n(){return null!=this._id?String(this._id):null}t.exports=function(t){!t.paths.id&&!t.options.noVirtualId&&t.options.id&&t.virtual("id").get(n)}},function(t,e,r){"use strict";var n=r(59);
+/*!
+ * ignore
+ */t.exports=function(t){if(null==t)return null;var e=Object.keys(t),r=e.length,o=null;if(1===r&&"_id"===e[0])o=!!t[e[r]];else for(;r--;)if("_id"!==e[r]&&n(t[e[r]])){o=!t[e[r]];break}return o}},function(t,e,r){"use strict";
+/*!
+ * Module dependencies
+ */function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function o(t,e){var r="undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(!r){if(Array.isArray(t)||(r=function(t,e){if(!t)return;if("string"==typeof t)return i(t,e);var r=Object.prototype.toString.call(t).slice(8,-1);"Object"===r&&t.constructor&&(r=t.constructor.name);if("Map"===r||"Set"===r)return Array.from(t);if("Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r))return i(t,e)}(t))||e&&t&&"number"==typeof t.length){r&&(t=r);var n=0,o=function(){};return{s:o,n:function(){return n>=t.length?{done:!0}:{done:!1,value:t[n++]}},e:function(t){throw t},f:o}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var s,a=!0,u=!1;return{s:function(){r=r.call(t)},n:function(){var t=r.next();return a=t.done,t},e:function(t){u=!0,s=t},f:function(){try{a||null==r.return||r.return()}finally{if(u)throw s}}}}function i(t,e){(null==e||e>t.length)&&(e=t.length);for(var r=0,n=new Array(e);r<e;r++)n[r]=t[r];return n}var s=r(179),a=r(3),u=r(37),c=r(59),l=r(26);
+/*!
+ * Set each path query option to lean
+ *
+ * @param {Object} option
+ */
+function f(t){return function(e){e.options||(e.options={}),null!=t&&Array.isArray(t.virtuals)&&((t=Object.assign({},t)).virtuals=t.virtuals.filter((function(t){return"string"==typeof t&&t.startsWith(e.path+".")})).map((function(t){return t.slice(e.path.length+1)}))),e.options.lean=t}}
+/*!
+ * Handle the `WriteOpResult` from the server
+ */
+/*!
+ * Prepare a set of path options for query population.
+ *
+ * @param {Query} query
+ * @param {Object} options
+ * @return {Array}
+ */
+e.preparePopulationOptions=function(t,e){var r=t.options.populate,n=Object.keys(r).reduce((function(t,e){return t.concat([r[e]])}),[]);return null!=e.lean&&n.filter((function(t){return null==a(t,"options.lean")})).forEach(f(e.lean)),n.forEach((function(e){e._localModel=t.model})),n},
+/*!
+ * Prepare a set of path options for query population. This is the MongooseQuery
+ * version
+ *
+ * @param {Query} query
+ * @param {Object} options
+ * @return {Array}
+ */
+e.preparePopulationOptionsMQ=function(t,e){var r=t._mongooseOptions.populate,n=Object.keys(r).reduce((function(t,e){return t.concat([r[e]])}),[]);null!=e.lean&&n.filter((function(t){return null==a(t,"options.lean")})).forEach(f(e.lean));var o=a(t,"options.session",null);null!=o&&n.forEach((function(t){null!=t.options?"session"in t.options||(t.options.session=o):t.options={session:o}}));var i=t._fieldsForExec();return n.forEach((function(t){t._queryProjection=i})),n.forEach((function(e){e._localModel=t.model})),n},
+/*!
+ * If the document is a mapped discriminator type, it returns a model instance for that type, otherwise,
+ * it returns an instance of the given model.
+ *
+ * @param {Model}  model
+ * @param {Object} doc
+ * @param {Object} fields
+ *
+ * @return {Document}
+ */
+e.createModel=function(t,r,n,o,i){t.hooks.execPreSync("createModel",r);var s=t.schema?t.schema.discriminatorMapping:null,a=s&&s.isRoot?s.key:null,c=r[a];if(a&&c&&t.discriminators){var f=t.discriminators[c]||u(t.discriminators,c);if(f){var p=l(o);return e.applyPaths(p,f.schema),new f(void 0,p,!0)}}return void 0===i&&((i={}).defaults=!0),new t(void 0,n,{skipId:!0,isNew:!1,willInit:!0,defaults:i.defaults})},
+/*!
+ * ignore
+ */
+e.applyPaths=function(t,e){var r,i,u;if(t)for(u=(i=Object.keys(t)).length;u--;)if("+"!==i[u][0]){var l=t[i[u]];if(c(l)){r=!l;break}}var f=[],p=[],h=[];switch(function e(n,o){if(o||(o=""),-1!==h.indexOf(n))return[];h.push(n);var i=[];return n.eachPath((function(n,a){o&&(n=o+"."+n);var u=$(n,a);if(null==u&&a.$isMongooseArray&&!a.$isMongooseDocumentArray&&(u=$(n,a.caster)),null!=u&&i.push(u),a.schema){var c=e(a.schema,n);!1===r&&s(t,n,a.schema,f,c)}})),h.pop(),i}(e),r){case!0:var y,d=o(p);try{for(d.s();!(y=d.n()).done;){var _=y.value;t[_]=0}}catch(t){d.e(t)}finally{d.f()}break;case!1:e&&e.paths._id&&e.paths._id.options&&!1===e.paths._id.options.select&&(t._id=0);var v,m=o(f);try{for(m.s();!(v=m.n()).done;){var b=v.value;t[b]=t[b]||1}}catch(t){m.e(t)}finally{m.f()}break;case void 0:if(null==t)break;for(var g=0,w=Object.keys(t||{});g<w.length;g++){var O=w[g];O.startsWith("+")&&delete t[O]}var S,j=o(p);try{for(j.s();!(S=j.n()).done;){var A=S.value;t[A]=0}}catch(t){j.e(t)}finally{j.f()}}function $(e,o){var s="+"+e,u=t&&s in t;if(u&&delete t[s],"boolean"==typeof o.selected){if(u)return delete t[s],void(!1===r&&i.length>1&&!~i.indexOf(e)&&(t[e]=1));for(var c=e.split("."),l="",h=0;h<c.length;++h)if(l+=l.length?"."+c[h]:c[h],-1!==p.indexOf(l))return;if(!r&&a(o,"options.$skipDiscriminatorCheck",!1))for(var y="",d=0;d<c.length;++d){y+=(0===y.length?"":".")+c[d];var _=a(t,y,!1)||a(t,y+".$",!1);if(_&&"object"!==n(_))return}return(o.selected?f:p).push(e),e}}},e.handleDeleteWriteOpResult=function(t){return function(e,r){if(e)return t(e);var n=Object.assign({},r.result);return null!=a(r,"result.n",null)&&(n.deletedCount=r.result.n),null!=r.deletedCount&&(n.deletedCount=r.deletedCount),t(null,n)}}},function(t,e,r){"use strict";t.exports=function(t,e,r,n,o){var i=Object.keys(t).reduce((function(t,r){return t||r.startsWith(e+".")}),!1),s=e+"."+r.options.discriminatorKey;i||1!==o.length||o[0]!==s||n.splice(n.indexOf(s),1)}},function(t,e,r){"use strict";function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}t.exports=function(t){return!!t&&("object"===n(t)||"function"==typeof t)&&"function"==typeof t.then}},function(t,e,r){"use strict";
+/*!
+ * Module dependencies.
+ */var n=r(12),o=r(19).EventEmitter,i=r(5),s=r(54),a=r(11),u=i.ValidationError,c=r(78),l=r(21);function f(t,e,r,o,u){if(!(this instanceof f))return new f(t,e,r,o,u);if(l(e)&&!e.instanceOfSchema&&(e=new s(e)),e=this.schema||e,!this.schema&&e.options._id&&void 0===(t=t||{})._id&&(t._id=new a),!e)throw new i.MissingSchemaError;for(var p in this.$__setSchema(e),n.call(this,t,r,o,u),c(this,e,{decorateDoc:!0}),e.methods)this[p]=e.methods[p];for(var h in e.statics)this[h]=e.statics[h]}
+/*!
+ * Inherit from the NodeJS document
+ */f.prototype=Object.create(n.prototype),f.prototype.constructor=f,
+/*!
+ * ignore
+ */
+f.events=new o,
+/*!
+ * Browser doc exposes the event emitter API
+ */
+f.$emitter=new o,["on","once","emit","listeners","removeListener","setMaxListeners","removeAllListeners","addListener"].forEach((function(t){f[t]=function(){return f.$emitter[t].apply(f.$emitter,arguments)}})),
+/*!
+ * Module exports.
+ */
+f.ValidationError=u,t.exports=f}])}));
\ No newline at end of file
diff --git a/node_modules/mongoose/index.js b/node_modules/mongoose/index.js
new file mode 100644
index 000000000..7320766f0
--- /dev/null
+++ b/node_modules/mongoose/index.js
@@ -0,0 +1,63 @@
+/**
+ * Export lib/mongoose
+ *
+ */
+
+'use strict';
+
+const mongoose = require('./lib/');
+
+module.exports = mongoose;
+module.exports.default = mongoose;
+module.exports.mongoose = mongoose;
+
+// Re-export for ESM support
+module.exports.cast = mongoose.cast;
+module.exports.STATES = mongoose.STATES;
+module.exports.setDriver = mongoose.setDriver;
+module.exports.set = mongoose.set;
+module.exports.get = mongoose.get;
+module.exports.createConnection = mongoose.createConnection;
+module.exports.connect = mongoose.connect;
+module.exports.disconnect = mongoose.disconnect;
+module.exports.startSession = mongoose.startSession;
+module.exports.pluralize = mongoose.pluralize;
+module.exports.model = mongoose.model;
+module.exports.deleteModel = mongoose.deleteModel;
+module.exports.modelNames = mongoose.modelNames;
+module.exports.plugin = mongoose.plugin;
+module.exports.connections = mongoose.connections;
+module.exports.version = mongoose.version;
+module.exports.Mongoose = mongoose.Mongoose;
+module.exports.Schema = mongoose.Schema;
+module.exports.SchemaType = mongoose.SchemaType;
+module.exports.SchemaTypes = mongoose.SchemaTypes;
+module.exports.VirtualType = mongoose.VirtualType;
+module.exports.Types = mongoose.Types;
+module.exports.Query = mongoose.Query;
+module.exports.Promise = mongoose.Promise;
+module.exports.Model = mongoose.Model;
+module.exports.Document = mongoose.Document;
+module.exports.ObjectId = mongoose.ObjectId;
+module.exports.isValidObjectId = mongoose.isValidObjectId;
+module.exports.isObjectIdOrHexString = mongoose.isObjectIdOrHexString;
+module.exports.syncIndexes = mongoose.syncIndexes;
+module.exports.Decimal128 = mongoose.Decimal128;
+module.exports.Mixed = mongoose.Mixed;
+module.exports.Date = mongoose.Date;
+module.exports.Number = mongoose.Number;
+module.exports.Error = mongoose.Error;
+module.exports.now = mongoose.now;
+module.exports.CastError = mongoose.CastError;
+module.exports.SchemaTypeOptions = mongoose.SchemaTypeOptions;
+module.exports.mongo = mongoose.mongo;
+module.exports.mquery = mongoose.mquery;
+module.exports.sanitizeFilter = mongoose.sanitizeFilter;
+module.exports.trusted = mongoose.trusted;
+module.exports.skipMiddlewareFunction = mongoose.skipMiddlewareFunction;
+module.exports.overwriteMiddlewareResult = mongoose.overwriteMiddlewareResult;
+
+// The following properties are not exported using ESM because `setDriver()` can mutate these
+// module.exports.connection = mongoose.connection;
+// module.exports.Collection = mongoose.Collection;
+// module.exports.Connection = mongoose.Connection;
diff --git a/node_modules/mongoose/lgtm.yml b/node_modules/mongoose/lgtm.yml
new file mode 100644
index 000000000..d486db70b
--- /dev/null
+++ b/node_modules/mongoose/lgtm.yml
@@ -0,0 +1,12 @@
+path_classifiers:
+  src:
+    - lib
+  types:
+    - types
+  test:
+    - test
+  docs:
+    - docs
+queries:
+  - exclude: "*"
+  - include: lib
\ No newline at end of file
diff --git a/node_modules/mongoose/lib/aggregate.js b/node_modules/mongoose/lib/aggregate.js
new file mode 100644
index 000000000..553f004d1
--- /dev/null
+++ b/node_modules/mongoose/lib/aggregate.js
@@ -0,0 +1,1145 @@
+'use strict';
+
+/*!
+ * Module dependencies
+ */
+
+const AggregationCursor = require('./cursor/AggregationCursor');
+const Query = require('./query');
+const { applyGlobalMaxTimeMS, applyGlobalDiskUse } = require('./helpers/query/applyGlobalOption');
+const getConstructorName = require('./helpers/getConstructorName');
+const prepareDiscriminatorPipeline = require('./helpers/aggregate/prepareDiscriminatorPipeline');
+const promiseOrCallback = require('./helpers/promiseOrCallback');
+const stringifyFunctionOperators = require('./helpers/aggregate/stringifyFunctionOperators');
+const utils = require('./utils');
+const read = Query.prototype.read;
+const readConcern = Query.prototype.readConcern;
+
+const validRedactStringValues = new Set(['$$DESCEND', '$$PRUNE', '$$KEEP']);
+
+/**
+ * Aggregate constructor used for building aggregation pipelines. Do not
+ * instantiate this class directly, use [Model.aggregate()](/docs/api.html#model_Model-aggregate) instead.
+ *
+ * #### Example:
+ *
+ *     const aggregate = Model.aggregate([
+ *       { $project: { a: 1, b: 1 } },
+ *       { $skip: 5 }
+ *     ]);
+ *
+ *     Model.
+ *       aggregate([{ $match: { age: { $gte: 21 }}}]).
+ *       unwind('tags').
+ *       exec(callback);
+ *
+ * #### Note:
+ *
+ * - The documents returned are plain javascript objects, not mongoose documents (since any shape of document can be returned).
+ * - Mongoose does **not** cast pipeline stages. The below will **not** work unless `_id` is a string in the database
+ *
+ *     new Aggregate([{ $match: { _id: '00000000000000000000000a' } }]);
+ *     // Do this instead to cast to an ObjectId
+ *     new Aggregate([{ $match: { _id: new mongoose.Types.ObjectId('00000000000000000000000a') } }]);
+ *
+ * @see MongoDB https://docs.mongodb.org/manual/applications/aggregation/
+ * @see driver https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#aggregate
+ * @param {Array} [pipeline] aggregation pipeline as an array of objects
+ * @param {Model} [model] the model to use with this aggregate.
+ * @api public
+ */
+
+function Aggregate(pipeline, model) {
+  this._pipeline = [];
+  this._model = model;
+  this.options = {};
+
+  if (arguments.length === 1 && Array.isArray(pipeline)) {
+    this.append.apply(this, pipeline);
+  }
+}
+
+/**
+ * Contains options passed down to the [aggregate command](https://docs.mongodb.com/manual/reference/command/aggregate/).
+ * Supported options are:
+ *
+ * - [`allowDiskUse`](./api.html#aggregate_Aggregate-allowDiskUse)
+ * - `bypassDocumentValidation`
+ * - [`collation`](./api.html#aggregate_Aggregate-collation)
+ * - `comment`
+ * - [`cursor`](./api.html#aggregate_Aggregate-cursor)
+ * - [`explain`](./api.html#aggregate_Aggregate-explain)
+ * - `fieldsAsRaw`
+ * - `hint`
+ * - `let`
+ * - `maxTimeMS`
+ * - `raw`
+ * - `readConcern`
+ * - `readPreference`
+ * - [`session`](./api.html#aggregate_Aggregate-session)
+ * - `writeConcern`
+ *
+ * @property options
+ * @memberOf Aggregate
+ * @api public
+ */
+
+Aggregate.prototype.options;
+
+/**
+ * Get/set the model that this aggregation will execute on.
+ *
+ * #### Example:
+ *
+ *     const aggregate = MyModel.aggregate([{ $match: { answer: 42 } }]);
+ *     aggregate.model() === MyModel; // true
+ *
+ *     // Change the model. There's rarely any reason to do this.
+ *     aggregate.model(SomeOtherModel);
+ *     aggregate.model() === SomeOtherModel; // true
+ *
+ * @param {Model} [model] Set the model associated with this aggregate. If not provided, returns the already stored model.
+ * @return {Model}
+ * @api public
+ */
+
+Aggregate.prototype.model = function(model) {
+  if (arguments.length === 0) {
+    return this._model;
+  }
+
+  this._model = model;
+  if (model.schema != null) {
+    if (this.options.readPreference == null &&
+        model.schema.options.read != null) {
+      this.options.readPreference = model.schema.options.read;
+    }
+    if (this.options.collation == null &&
+        model.schema.options.collation != null) {
+      this.options.collation = model.schema.options.collation;
+    }
+  }
+
+  return model;
+};
+
+/**
+ * Appends new operators to this aggregate pipeline
+ *
+ * #### Examples:
+ *
+ *     aggregate.append({ $project: { field: 1 }}, { $limit: 2 });
+ *
+ *     // or pass an array
+ *     const pipeline = [{ $match: { daw: 'Logic Audio X' }} ];
+ *     aggregate.append(pipeline);
+ *
+ * @param {...Object|Object[]} ops operator(s) to append. Can either be a spread of objects or a single parameter of a object array.
+ * @return {Aggregate}
+ * @api public
+ */
+
+Aggregate.prototype.append = function() {
+  const args = (arguments.length === 1 && Array.isArray(arguments[0]))
+    ? arguments[0]
+    : [...arguments];
+
+  if (!args.every(isOperator)) {
+    throw new Error('Arguments must be aggregate pipeline operators');
+  }
+
+  this._pipeline = this._pipeline.concat(args);
+
+  return this;
+};
+
+/**
+ * Appends a new $addFields operator to this aggregate pipeline.
+ * Requires MongoDB v3.4+ to work
+ *
+ * #### Examples:
+  *
+ *     // adding new fields based on existing fields
+ *     aggregate.addFields({
+ *         newField: '$b.nested'
+ *       , plusTen: { $add: ['$val', 10]}
+ *       , sub: {
+ *            name: '$a'
+ *         }
+ *     })
+ *
+ *     // etc
+ *     aggregate.addFields({ salary_k: { $divide: [ "$salary", 1000 ] } });
+ *
+ * @param {Object} arg field specification
+ * @see $addFields https://docs.mongodb.com/manual/reference/operator/aggregation/addFields/
+ * @return {Aggregate}
+ * @api public
+ */
+Aggregate.prototype.addFields = function(arg) {
+  if (typeof arg !== 'object' || arg === null || Array.isArray(arg)) {
+    throw new Error('Invalid addFields() argument. Must be an object');
+  }
+  return this.append({ $addFields: Object.assign({}, arg) });
+};
+
+/**
+ * Appends a new $project operator to this aggregate pipeline.
+ *
+ * Mongoose query [selection syntax](#query_Query-select) is also supported.
+ *
+ * #### Examples:
+ *
+ *     // include a, include b, exclude _id
+ *     aggregate.project("a b -_id");
+ *
+ *     // or you may use object notation, useful when
+ *     // you have keys already prefixed with a "-"
+ *     aggregate.project({a: 1, b: 1, _id: 0});
+ *
+ *     // reshaping documents
+ *     aggregate.project({
+ *         newField: '$b.nested'
+ *       , plusTen: { $add: ['$val', 10]}
+ *       , sub: {
+ *            name: '$a'
+ *         }
+ *     })
+ *
+ *     // etc
+ *     aggregate.project({ salary_k: { $divide: [ "$salary", 1000 ] } });
+ *
+ * @param {Object|String} arg field specification
+ * @see projection https://docs.mongodb.org/manual/reference/aggregation/project/
+ * @return {Aggregate}
+ * @api public
+ */
+
+Aggregate.prototype.project = function(arg) {
+  const fields = {};
+
+  if (typeof arg === 'object' && !Array.isArray(arg)) {
+    Object.keys(arg).forEach(function(field) {
+      fields[field] = arg[field];
+    });
+  } else if (arguments.length === 1 && typeof arg === 'string') {
+    arg.split(/\s+/).forEach(function(field) {
+      if (!field) {
+        return;
+      }
+      const include = field[0] === '-' ? 0 : 1;
+      if (include === 0) {
+        field = field.substring(1);
+      }
+      fields[field] = include;
+    });
+  } else {
+    throw new Error('Invalid project() argument. Must be string or object');
+  }
+
+  return this.append({ $project: fields });
+};
+
+/**
+ * Appends a new custom $group operator to this aggregate pipeline.
+ *
+ * #### Examples:
+ *
+ *     aggregate.group({ _id: "$department" });
+ *
+ * @see $group https://docs.mongodb.org/manual/reference/aggregation/group/
+ * @method group
+ * @memberOf Aggregate
+ * @instance
+ * @param {Object} arg $group operator contents
+ * @return {Aggregate}
+ * @api public
+ */
+
+/**
+ * Appends a new custom $match operator to this aggregate pipeline.
+ *
+ * #### Examples:
+ *
+ *     aggregate.match({ department: { $in: [ "sales", "engineering" ] } });
+ *
+ * @see $match https://docs.mongodb.org/manual/reference/aggregation/match/
+ * @method match
+ * @memberOf Aggregate
+ * @instance
+ * @param {Object} arg $match operator contents
+ * @return {Aggregate}
+ * @api public
+ */
+
+/**
+ * Appends a new $skip operator to this aggregate pipeline.
+ *
+ * #### Examples:
+ *
+ *     aggregate.skip(10);
+ *
+ * @see $skip https://docs.mongodb.org/manual/reference/aggregation/skip/
+ * @method skip
+ * @memberOf Aggregate
+ * @instance
+ * @param {Number} num number of records to skip before next stage
+ * @return {Aggregate}
+ * @api public
+ */
+
+/**
+ * Appends a new $limit operator to this aggregate pipeline.
+ *
+ * #### Examples:
+ *
+ *     aggregate.limit(10);
+ *
+ * @see $limit https://docs.mongodb.org/manual/reference/aggregation/limit/
+ * @method limit
+ * @memberOf Aggregate
+ * @instance
+ * @param {Number} num maximum number of records to pass to the next stage
+ * @return {Aggregate}
+ * @api public
+ */
+
+
+/**
+ * Appends a new $densify operator to this aggregate pipeline.
+ *
+ * #### Examples:
+ *
+ *      aggregate.densify({
+ *        field: 'timestamp',
+ *        range: {
+ *          step: 1,
+ *          unit: 'hour',
+ *          bounds: [new Date('2021-05-18T00:00:00.000Z'), new Date('2021-05-18T08:00:00.000Z')]
+ *        }
+ *      });
+ *
+ * @see $densify https://www.mongodb.com/docs/manual/reference/operator/aggregation/densify/
+ * @method densify
+ * @memberOf Aggregate
+ * @instance
+ * @param {Object} arg $densify operator contents
+ * @return {Aggregate}
+ * @api public
+ */
+
+/**
+ * Appends a new $geoNear operator to this aggregate pipeline.
+ *
+ * #### Note:
+ *
+ * **MUST** be used as the first operator in the pipeline.
+ *
+ * #### Examples:
+ *
+ *     aggregate.near({
+ *       near: [40.724, -73.997],
+ *       distanceField: "dist.calculated", // required
+ *       maxDistance: 0.008,
+ *       query: { type: "public" },
+ *       includeLocs: "dist.location",
+ *       uniqueDocs: true,
+ *       num: 5
+ *     });
+ *
+ * @see $geoNear https://docs.mongodb.org/manual/reference/aggregation/geoNear/
+ * @method near
+ * @memberOf Aggregate
+ * @instance
+ * @param {Object} arg
+ * @return {Aggregate}
+ * @api public
+ */
+
+Aggregate.prototype.near = function(arg) {
+  const op = {};
+  op.$geoNear = arg;
+  return this.append(op);
+};
+
+/*!
+ * define methods
+ */
+
+'group match skip limit out densify'.split(' ').forEach(function($operator) {
+  Aggregate.prototype[$operator] = function(arg) {
+    const op = {};
+    op['$' + $operator] = arg;
+    return this.append(op);
+  };
+});
+
+/**
+ * Appends new custom $unwind operator(s) to this aggregate pipeline.
+ *
+ * Note that the `$unwind` operator requires the path name to start with '$'.
+ * Mongoose will prepend '$' if the specified field doesn't start '$'.
+ *
+ * #### Examples:
+ *
+ *     aggregate.unwind("tags");
+ *     aggregate.unwind("a", "b", "c");
+ *     aggregate.unwind({ path: '$tags', preserveNullAndEmptyArrays: true });
+ *
+ * @see $unwind https://docs.mongodb.org/manual/reference/aggregation/unwind/
+ * @param {String|Object|String[]|Object[]} fields the field(s) to unwind, either as field names or as [objects with options](https://docs.mongodb.com/manual/reference/operator/aggregation/unwind/#document-operand-with-options). If passing a string, prefixing the field name with '$' is optional. If passing an object, `path` must start with '$'.
+ * @return {Aggregate}
+ * @api public
+ */
+
+Aggregate.prototype.unwind = function() {
+  const args = [...arguments];
+
+  const res = [];
+  for (const arg of args) {
+    if (arg && typeof arg === 'object') {
+      res.push({ $unwind: arg });
+    } else if (typeof arg === 'string') {
+      res.push({
+        $unwind: (arg[0] === '$') ? arg : '$' + arg
+      });
+    } else {
+      throw new Error('Invalid arg "' + arg + '" to unwind(), ' +
+        'must be string or object');
+    }
+  }
+
+  return this.append.apply(this, res);
+};
+
+/**
+ * Appends a new $replaceRoot operator to this aggregate pipeline.
+ *
+ * Note that the `$replaceRoot` operator requires field strings to start with '$'.
+ * If you are passing in a string Mongoose will prepend '$' if the specified field doesn't start '$'.
+ * If you are passing in an object the strings in your expression will not be altered.
+ *
+ * #### Examples:
+ *
+ *     aggregate.replaceRoot("user");
+ *
+ *     aggregate.replaceRoot({ x: { $concat: ['$this', '$that'] } });
+ *
+ * @see $replaceRoot https://docs.mongodb.org/manual/reference/operator/aggregation/replaceRoot
+ * @param {String|Object} newRoot the field or document which will become the new root document
+ * @return {Aggregate}
+ * @api public
+ */
+
+Aggregate.prototype.replaceRoot = function(newRoot) {
+  let ret;
+
+  if (typeof newRoot === 'string') {
+    ret = newRoot.startsWith('$') ? newRoot : '$' + newRoot;
+  } else {
+    ret = newRoot;
+  }
+
+  return this.append({
+    $replaceRoot: {
+      newRoot: ret
+    }
+  });
+};
+
+/**
+ * Appends a new $count operator to this aggregate pipeline.
+ *
+ * #### Examples:
+ *
+ *     aggregate.count("userCount");
+ *
+ * @see $count https://docs.mongodb.org/manual/reference/operator/aggregation/count
+ * @param {String} fieldName The name of the output field which has the count as its value. It must be a non-empty string, must not start with $ and must not contain the . character.
+ * @return {Aggregate}
+ * @api public
+ */
+
+Aggregate.prototype.count = function(fieldName) {
+  return this.append({ $count: fieldName });
+};
+
+/**
+ * Appends a new $sortByCount operator to this aggregate pipeline. Accepts either a string field name
+ * or a pipeline object.
+ *
+ * Note that the `$sortByCount` operator requires the new root to start with '$'.
+ * Mongoose will prepend '$' if the specified field name doesn't start with '$'.
+ *
+ * #### Examples:
+ *
+ *     aggregate.sortByCount('users');
+ *     aggregate.sortByCount({ $mergeObjects: [ "$employee", "$business" ] })
+ *
+ * @see $sortByCount https://docs.mongodb.com/manual/reference/operator/aggregation/sortByCount/
+ * @param {Object|String} arg
+ * @return {Aggregate} this
+ * @api public
+ */
+
+Aggregate.prototype.sortByCount = function(arg) {
+  if (arg && typeof arg === 'object') {
+    return this.append({ $sortByCount: arg });
+  } else if (typeof arg === 'string') {
+    return this.append({
+      $sortByCount: (arg[0] === '$') ? arg : '$' + arg
+    });
+  } else {
+    throw new TypeError('Invalid arg "' + arg + '" to sortByCount(), ' +
+      'must be string or object');
+  }
+};
+
+/**
+ * Appends new custom $lookup operator to this aggregate pipeline.
+ *
+ * #### Examples:
+ *
+ *     aggregate.lookup({ from: 'users', localField: 'userId', foreignField: '_id', as: 'users' });
+ *
+ * @see $lookup https://docs.mongodb.org/manual/reference/operator/aggregation/lookup/#pipe._S_lookup
+ * @param {Object} options to $lookup as described in the above link
+ * @return {Aggregate}
+ * @api public
+ */
+
+Aggregate.prototype.lookup = function(options) {
+  return this.append({ $lookup: options });
+};
+
+/**
+ * Appends new custom $graphLookup operator(s) to this aggregate pipeline, performing a recursive search on a collection.
+ *
+ * Note that graphLookup can only consume at most 100MB of memory, and does not allow disk use even if `{ allowDiskUse: true }` is specified.
+ *
+ * #### Examples:
+ *
+ *      // Suppose we have a collection of courses, where a document might look like `{ _id: 0, name: 'Calculus', prerequisite: 'Trigonometry'}` and `{ _id: 0, name: 'Trigonometry', prerequisite: 'Algebra' }`
+ *      aggregate.graphLookup({ from: 'courses', startWith: '$prerequisite', connectFromField: 'prerequisite', connectToField: 'name', as: 'prerequisites', maxDepth: 3 }) // this will recursively search the 'courses' collection up to 3 prerequisites
+ *
+ * @see $graphLookup https://docs.mongodb.com/manual/reference/operator/aggregation/graphLookup/#pipe._S_graphLookup
+ * @param {Object} options to $graphLookup as described in the above link
+ * @return {Aggregate}
+ * @api public
+ */
+
+Aggregate.prototype.graphLookup = function(options) {
+  const cloneOptions = {};
+  if (options) {
+    if (!utils.isObject(options)) {
+      throw new TypeError('Invalid graphLookup() argument. Must be an object.');
+    }
+
+    utils.mergeClone(cloneOptions, options);
+    const startWith = cloneOptions.startWith;
+
+    if (startWith && typeof startWith === 'string') {
+      cloneOptions.startWith = cloneOptions.startWith.startsWith('$') ?
+        cloneOptions.startWith :
+        '$' + cloneOptions.startWith;
+    }
+
+  }
+  return this.append({ $graphLookup: cloneOptions });
+};
+
+/**
+ * Appends new custom $sample operator to this aggregate pipeline.
+ *
+ * #### Examples:
+ *
+ *     aggregate.sample(3); // Add a pipeline that picks 3 random documents
+ *
+ * @see $sample https://docs.mongodb.org/manual/reference/operator/aggregation/sample/#pipe._S_sample
+ * @param {Number} size number of random documents to pick
+ * @return {Aggregate}
+ * @api public
+ */
+
+Aggregate.prototype.sample = function(size) {
+  return this.append({ $sample: { size: size } });
+};
+
+/**
+ * Appends a new $sort operator to this aggregate pipeline.
+ *
+ * If an object is passed, values allowed are `asc`, `desc`, `ascending`, `descending`, `1`, and `-1`.
+ *
+ * If a string is passed, it must be a space delimited list of path names. The sort order of each path is ascending unless the path name is prefixed with `-` which will be treated as descending.
+ *
+ * #### Examples:
+ *
+ *     // these are equivalent
+ *     aggregate.sort({ field: 'asc', test: -1 });
+ *     aggregate.sort('field -test');
+ *
+ * @see $sort https://docs.mongodb.org/manual/reference/aggregation/sort/
+ * @param {Object|String} arg
+ * @return {Aggregate} this
+ * @api public
+ */
+
+Aggregate.prototype.sort = function(arg) {
+  // TODO refactor to reuse the query builder logic
+
+  const sort = {};
+
+  if (getConstructorName(arg) === 'Object') {
+    const desc = ['desc', 'descending', -1];
+    Object.keys(arg).forEach(function(field) {
+      // If sorting by text score, skip coercing into 1/-1
+      if (arg[field] instanceof Object && arg[field].$meta) {
+        sort[field] = arg[field];
+        return;
+      }
+      sort[field] = desc.indexOf(arg[field]) === -1 ? 1 : -1;
+    });
+  } else if (arguments.length === 1 && typeof arg === 'string') {
+    arg.split(/\s+/).forEach(function(field) {
+      if (!field) {
+        return;
+      }
+      const ascend = field[0] === '-' ? -1 : 1;
+      if (ascend === -1) {
+        field = field.substring(1);
+      }
+      sort[field] = ascend;
+    });
+  } else {
+    throw new TypeError('Invalid sort() argument. Must be a string or object.');
+  }
+
+  return this.append({ $sort: sort });
+};
+
+/**
+ * Appends new $unionWith operator to this aggregate pipeline.
+ *
+ * #### Examples:
+ *
+ *     aggregate.unionWith({ coll: 'users', pipeline: [ { $match: { _id: 1 } } ] });
+ *
+ * @see $unionWith https://docs.mongodb.com/manual/reference/operator/aggregation/unionWith
+ * @param {Object} options to $unionWith query as described in the above link
+ * @return {Aggregate}
+ * @api public
+ */
+
+Aggregate.prototype.unionWith = function(options) {
+  return this.append({ $unionWith: options });
+};
+
+
+/**
+ * Sets the readPreference option for the aggregation query.
+ *
+ * #### Example:
+ *
+ *     await Model.aggregate(pipeline).read('primaryPreferred');
+ *
+ * @param {String|ReadPreference} pref one of the listed preference options or their aliases
+ * @param {Array} [tags] optional tags for this query. DEPRECATED
+ * @return {Aggregate} this
+ * @api public
+ * @see mongodb https://docs.mongodb.org/manual/applications/replication/#read-preference
+ */
+
+Aggregate.prototype.read = function(pref, tags) {
+  read.call(this, pref, tags);
+  return this;
+};
+
+/**
+ * Sets the readConcern level for the aggregation query.
+ *
+ * #### Example:
+ *
+ *     await Model.aggregate(pipeline).readConcern('majority');
+ *
+ * @param {String} level one of the listed read concern level or their aliases
+ * @see mongodb https://docs.mongodb.com/manual/reference/read-concern/
+ * @return {Aggregate} this
+ * @api public
+ */
+
+Aggregate.prototype.readConcern = function(level) {
+  readConcern.call(this, level);
+  return this;
+};
+
+/**
+ * Appends a new $redact operator to this aggregate pipeline.
+ *
+ * If 3 arguments are supplied, Mongoose will wrap them with if-then-else of $cond operator respectively
+ * If `thenExpr` or `elseExpr` is string, make sure it starts with $$, like `$$DESCEND`, `$$PRUNE` or `$$KEEP`.
+ *
+ * #### Example:
+ *
+ *     await Model.aggregate(pipeline).redact({
+ *       $cond: {
+ *         if: { $eq: [ '$level', 5 ] },
+ *         then: '$$PRUNE',
+ *         else: '$$DESCEND'
+ *       }
+ *     });
+ *
+ *     // $redact often comes with $cond operator, you can also use the following syntax provided by mongoose
+ *     await Model.aggregate(pipeline).redact({ $eq: [ '$level', 5 ] }, '$$PRUNE', '$$DESCEND');
+ *
+ * @param {Object} expression redact options or conditional expression
+ * @param {String|Object} [thenExpr] true case for the condition
+ * @param {String|Object} [elseExpr] false case for the condition
+ * @return {Aggregate} this
+ * @see $redact https://docs.mongodb.com/manual/reference/operator/aggregation/redact/
+ * @api public
+ */
+
+Aggregate.prototype.redact = function(expression, thenExpr, elseExpr) {
+  if (arguments.length === 3) {
+    if ((typeof thenExpr === 'string' && !validRedactStringValues.has(thenExpr)) ||
+        (typeof elseExpr === 'string' && !validRedactStringValues.has(elseExpr))) {
+      throw new Error('If thenExpr or elseExpr is string, it must be either $$DESCEND, $$PRUNE or $$KEEP');
+    }
+
+    expression = {
+      $cond: {
+        if: expression,
+        then: thenExpr,
+        else: elseExpr
+      }
+    };
+  } else if (arguments.length !== 1) {
+    throw new TypeError('Invalid arguments');
+  }
+
+  return this.append({ $redact: expression });
+};
+
+/**
+ * Execute the aggregation with explain
+ *
+ * #### Example:
+ *
+ *     Model.aggregate(..).explain(callback)
+ *
+ * @param {String} [verbosity]
+ * @param {Function} [callback] The callback function to call, if not specified, will return a Promise instead.
+ * @return {Promise} Returns a promise if no "callback" is given
+ */
+
+Aggregate.prototype.explain = function(verbosity, callback) {
+  const model = this._model;
+  if (typeof verbosity === 'function') {
+    callback = verbosity;
+    verbosity = null;
+  }
+
+  return promiseOrCallback(callback, cb => {
+    if (!this._pipeline.length) {
+      const err = new Error('Aggregate has empty pipeline');
+      return cb(err);
+    }
+
+    prepareDiscriminatorPipeline(this._pipeline, this._model.schema);
+
+    model.hooks.execPre('aggregate', this, error => {
+      if (error) {
+        const _opts = { error: error };
+        return model.hooks.execPost('aggregate', this, [null], _opts, error => {
+          cb(error);
+        });
+      }
+
+      model.collection.aggregate(this._pipeline, this.options, (error, cursor) => {
+        if (error != null) {
+          const _opts = { error: error };
+          return model.hooks.execPost('aggregate', this, [null], _opts, error => {
+            cb(error);
+          });
+        }
+        if (verbosity != null) {
+          cursor.explain(verbosity, (error, result) => {
+            const _opts = { error: error };
+            return model.hooks.execPost('aggregate', this, [result], _opts, error => {
+              if (error) {
+                return cb(error);
+              }
+              return cb(null, result);
+            });
+          });
+        } else {
+          cursor.explain((error, result) => {
+            const _opts = { error: error };
+            return model.hooks.execPost('aggregate', this, [result], _opts, error => {
+              if (error) {
+                return cb(error);
+              }
+              return cb(null, result);
+            });
+          });
+        }
+      });
+    });
+  }, model.events);
+};
+
+/**
+ * Sets the allowDiskUse option for the aggregation query
+ *
+ * #### Example:
+ *
+ *     await Model.aggregate([{ $match: { foo: 'bar' } }]).allowDiskUse(true);
+ *
+ * @param {Boolean} value Should tell server it can use hard drive to store data during aggregation.
+ * @return {Aggregate} this
+ * @see mongodb https://docs.mongodb.org/manual/reference/command/aggregate/
+ */
+
+Aggregate.prototype.allowDiskUse = function(value) {
+  this.options.allowDiskUse = value;
+  return this;
+};
+
+/**
+ * Sets the hint option for the aggregation query
+ *
+ * #### Example:
+ *
+ *     Model.aggregate(..).hint({ qty: 1, category: 1 }).exec(callback)
+ *
+ * @param {Object|String} value a hint object or the index name
+ * @return {Aggregate} this
+ * @see mongodb https://docs.mongodb.org/manual/reference/command/aggregate/
+ */
+
+Aggregate.prototype.hint = function(value) {
+  this.options.hint = value;
+  return this;
+};
+
+/**
+ * Sets the session for this aggregation. Useful for [transactions](/docs/transactions.html).
+ *
+ * #### Example:
+ *
+ *     const session = await Model.startSession();
+ *     await Model.aggregate(..).session(session);
+ *
+ * @param {ClientSession} session
+ * @return {Aggregate} this
+ * @see mongodb https://docs.mongodb.org/manual/reference/command/aggregate/
+ */
+
+Aggregate.prototype.session = function(session) {
+  if (session == null) {
+    delete this.options.session;
+  } else {
+    this.options.session = session;
+  }
+  return this;
+};
+
+/**
+ * Lets you set arbitrary options, for middleware or plugins.
+ *
+ * #### Example:
+ *
+ *     const agg = Model.aggregate(..).option({ allowDiskUse: true }); // Set the `allowDiskUse` option
+ *     agg.options; // `{ allowDiskUse: true }`
+ *
+ * @param {Object} options keys to merge into current options
+ * @param {Number} [options.maxTimeMS] number limits the time this aggregation will run, see [MongoDB docs on `maxTimeMS`](https://docs.mongodb.com/manual/reference/operator/meta/maxTimeMS/)
+ * @param {Boolean} [options.allowDiskUse] boolean if true, the MongoDB server will use the hard drive to store data during this aggregation
+ * @param {Object} [options.collation] object see [`Aggregate.prototype.collation()`](./docs/api.html#aggregate_Aggregate-collation)
+ * @param {ClientSession} [options.session] ClientSession see [`Aggregate.prototype.session()`](./docs/api.html#aggregate_Aggregate-session)
+ * @see mongodb https://docs.mongodb.org/manual/reference/command/aggregate/
+ * @return {Aggregate} this
+ * @api public
+ */
+
+Aggregate.prototype.option = function(value) {
+  for (const key in value) {
+    this.options[key] = value[key];
+  }
+  return this;
+};
+
+/**
+ * Sets the `cursor` option and executes this aggregation, returning an aggregation cursor.
+ * Cursors are useful if you want to process the results of the aggregation one-at-a-time
+ * because the aggregation result is too big to fit into memory.
+ *
+ * #### Example:
+ *
+ *     const cursor = Model.aggregate(..).cursor({ batchSize: 1000 });
+ *     cursor.eachAsync(function(doc, i) {
+ *       // use doc
+ *     });
+ *
+ * @param {Object} options
+ * @param {Number} [options.batchSize] set the cursor batch size
+ * @param {Boolean} [options.useMongooseAggCursor] use experimental mongoose-specific aggregation cursor (for `eachAsync()` and other query cursor semantics)
+ * @return {AggregationCursor} cursor representing this aggregation
+ * @api public
+ * @see mongodb https://mongodb.github.io/node-mongodb-native/4.9/classes/AggregationCursor.html
+ */
+
+Aggregate.prototype.cursor = function(options) {
+  this.options.cursor = options || {};
+  return new AggregationCursor(this); // return this;
+};
+
+/**
+ * Adds a collation
+ *
+ * #### Example:
+ *
+ *     const res = await Model.aggregate(pipeline).collation({ locale: 'en_US', strength: 1 });
+ *
+ * @param {Object} collation options
+ * @return {Aggregate} this
+ * @api public
+ * @see mongodb https://mongodb.github.io/node-mongodb-native/4.9/interfaces/CollationOptions.html
+ */
+
+Aggregate.prototype.collation = function(collation) {
+  this.options.collation = collation;
+  return this;
+};
+
+/**
+ * Combines multiple aggregation pipelines.
+ *
+ * #### Example:
+ *
+ *     const res = await Model.aggregate().facet({
+ *       books: [{ groupBy: '$author' }],
+ *       price: [{ $bucketAuto: { groupBy: '$price', buckets: 2 } }]
+ *     });
+ *
+ *     // Output: { books: [...], price: [{...}, {...}] }
+ *
+ * @param {Object} facet options
+ * @return {Aggregate} this
+ * @see $facet https://docs.mongodb.com/v3.4/reference/operator/aggregation/facet/
+ * @api public
+ */
+
+Aggregate.prototype.facet = function(options) {
+  return this.append({ $facet: options });
+};
+
+/**
+ * Helper for [Atlas Text Search](https://docs.atlas.mongodb.com/reference/atlas-search/tutorial/)'s
+ * `$search` stage.
+ *
+ * #### Example:
+ *
+ *     const res = await Model.aggregate().
+ *      search({
+ *        text: {
+ *          query: 'baseball',
+ *          path: 'plot'
+ *        }
+ *      });
+ *
+ *     // Output: [{ plot: '...', title: '...' }]
+ *
+ * @param {Object} $search options
+ * @return {Aggregate} this
+ * @see $search https://docs.atlas.mongodb.com/reference/atlas-search/tutorial/
+ * @api public
+ */
+
+Aggregate.prototype.search = function(options) {
+  return this.append({ $search: options });
+};
+
+/**
+ * Returns the current pipeline
+ *
+ * #### Example:
+ *
+ *     MyModel.aggregate().match({ test: 1 }).pipeline(); // [{ $match: { test: 1 } }]
+ *
+ * @return {Array} The current pipeline similar to the operation that will be executed
+ * @api public
+ */
+
+Aggregate.prototype.pipeline = function() {
+  return this._pipeline;
+};
+
+/**
+ * Executes the aggregate pipeline on the currently bound Model.
+ *
+ * #### Example:
+ *
+ *     aggregate.exec(callback);
+ *
+ *     // Because a promise is returned, the `callback` is optional.
+ *     const result = await aggregate.exec();
+ *
+ * @param {Function} [callback]
+ * @return {Promise} Returns a Promise if no "callback" is given.
+ * @api public
+ */
+
+Aggregate.prototype.exec = function(callback) {
+  if (!this._model) {
+    throw new Error('Aggregate not bound to any Model');
+  }
+  const model = this._model;
+  const collection = this._model.collection;
+
+  applyGlobalMaxTimeMS(this.options, model);
+  applyGlobalDiskUse(this.options, model);
+
+  if (this.options && this.options.cursor) {
+    return new AggregationCursor(this);
+  }
+
+  return promiseOrCallback(callback, cb => {
+    prepareDiscriminatorPipeline(this._pipeline, this._model.schema);
+    stringifyFunctionOperators(this._pipeline);
+
+    model.hooks.execPre('aggregate', this, error => {
+      if (error) {
+        const _opts = { error: error };
+        return model.hooks.execPost('aggregate', this, [null], _opts, error => {
+          cb(error);
+        });
+      }
+      if (!this._pipeline.length) {
+        return cb(new Error('Aggregate has empty pipeline'));
+      }
+
+      const options = utils.clone(this.options || {});
+
+      collection.aggregate(this._pipeline, options, (err, cursor) => {
+        if (err != null) {
+          return cb(err);
+        }
+
+        cursor.toArray((error, result) => {
+          const _opts = { error: error };
+          model.hooks.execPost('aggregate', this, [result], _opts, (error, result) => {
+            if (error) {
+              return cb(error);
+            }
+
+            cb(null, result);
+          });
+        });
+      });
+    });
+  }, model.events);
+};
+
+/**
+ * Provides a Promise-like `then` function, which will call `.exec` without a callback
+ * Compatible with `await`.
+ *
+ * #### Example:
+ *
+ *     Model.aggregate(..).then(successCallback, errorCallback);
+ *
+ * @param {Function} [resolve] successCallback
+ * @param {Function} [reject]  errorCallback
+ * @return {Promise}
+ */
+Aggregate.prototype.then = function(resolve, reject) {
+  return this.exec().then(resolve, reject);
+};
+
+/**
+ * Executes the query returning a `Promise` which will be
+ * resolved with either the doc(s) or rejected with the error.
+ * Like [`.then()`](#query_Query-then), but only takes a rejection handler.
+ * Compatible with `await`.
+ *
+ * @param {Function} [reject]
+ * @return {Promise}
+ * @api public
+ */
+
+Aggregate.prototype.catch = function(reject) {
+  return this.exec().then(null, reject);
+};
+
+/**
+ * Returns an asyncIterator for use with [`for/await/of` loops](https://thecodebarbarian.com/getting-started-with-async-iterators-in-node-js)
+ * You do not need to call this function explicitly, the JavaScript runtime
+ * will call it for you.
+ *
+ * #### Example:
+ *
+ *     const agg = Model.aggregate([{ $match: { age: { $gte: 25 } } }]);
+ *     for await (const doc of agg) {
+ *       console.log(doc.name);
+ *     }
+ *
+ * Node.js 10.x supports async iterators natively without any flags. You can
+ * enable async iterators in Node.js 8.x using the [`--harmony_async_iteration` flag](https://github.com/tc39/proposal-async-iteration/issues/117#issuecomment-346695187).
+ *
+ * **Note:** This function is not set if `Symbol.asyncIterator` is undefined. If
+ * `Symbol.asyncIterator` is undefined, that means your Node.js version does not
+ * support async iterators.
+ *
+ * @method Symbol.asyncIterator
+ * @memberOf Aggregate
+ * @instance
+ * @api public
+ */
+
+if (Symbol.asyncIterator != null) {
+  Aggregate.prototype[Symbol.asyncIterator] = function() {
+    return this.cursor({ useMongooseAggCursor: true }).
+      transformNull().
+      _transformForAsyncIterator();
+  };
+}
+
+/*!
+ * Helpers
+ */
+
+/**
+ * Checks whether an object is likely a pipeline operator
+ *
+ * @param {Object} obj object to check
+ * @return {Boolean}
+ * @api private
+ */
+
+function isOperator(obj) {
+  if (typeof obj !== 'object' || obj === null) {
+    return false;
+  }
+
+  const k = Object.keys(obj);
+
+  return k.length === 1 && k[0][0] === '$';
+}
+
+/**
+ * Adds the appropriate `$match` pipeline step to the top of an aggregate's
+ * pipeline, should it's model is a non-root discriminator type. This is
+ * analogous to the `prepareDiscriminatorCriteria` function in `lib/query.js`.
+ *
+ * @param {Aggregate} aggregate Aggregate to prepare
+ * @api private
+ */
+
+Aggregate._prepareDiscriminatorPipeline = prepareDiscriminatorPipeline;
+
+/*!
+ * Exports
+ */
+
+module.exports = Aggregate;
diff --git a/node_modules/mongoose/lib/browser.js b/node_modules/mongoose/lib/browser.js
new file mode 100644
index 000000000..ee5054e78
--- /dev/null
+++ b/node_modules/mongoose/lib/browser.js
@@ -0,0 +1,158 @@
+/* eslint-env browser */
+
+'use strict';
+
+require('./driver').set(require('./drivers/browser'));
+
+const DocumentProvider = require('./document_provider.js');
+const PromiseProvider = require('./promise_provider');
+
+DocumentProvider.setBrowser(true);
+
+/**
+ * The Mongoose [Promise](#promise_Promise) constructor.
+ *
+ * @method Promise
+ * @api public
+ */
+
+Object.defineProperty(exports, 'Promise', {
+  get: function() {
+    return PromiseProvider.get();
+  },
+  set: function(lib) {
+    PromiseProvider.set(lib);
+  }
+});
+
+/**
+ * Storage layer for mongoose promises
+ *
+ * @method PromiseProvider
+ * @api public
+ */
+
+exports.PromiseProvider = PromiseProvider;
+
+/**
+ * The [MongooseError](#error_MongooseError) constructor.
+ *
+ * @method Error
+ * @api public
+ */
+
+exports.Error = require('./error/index');
+
+/**
+ * The Mongoose [Schema](#schema_Schema) constructor
+ *
+ * #### Example:
+ *
+ *     const mongoose = require('mongoose');
+ *     const Schema = mongoose.Schema;
+ *     const CatSchema = new Schema(..);
+ *
+ * @method Schema
+ * @api public
+ */
+
+exports.Schema = require('./schema');
+
+/**
+ * The various Mongoose Types.
+ *
+ * #### Example:
+ *
+ *     const mongoose = require('mongoose');
+ *     const array = mongoose.Types.Array;
+ *
+ * #### Types:
+ *
+ * - [Array](/docs/schematypes.html#arrays)
+ * - [Buffer](/docs/schematypes.html#buffers)
+ * - [Embedded](/docs/schematypes.html#schemas)
+ * - [DocumentArray](/docs/api/documentarraypath.html)
+ * - [Decimal128](/docs/api.html#mongoose_Mongoose-Decimal128)
+ * - [ObjectId](/docs/schematypes.html#objectids)
+ * - [Map](/docs/schematypes.html#maps)
+ * - [Subdocument](/docs/schematypes.html#schemas)
+ *
+ * Using this exposed access to the `ObjectId` type, we can construct ids on demand.
+ *
+ *     const ObjectId = mongoose.Types.ObjectId;
+ *     const id1 = new ObjectId;
+ *
+ * @property Types
+ * @api public
+ */
+exports.Types = require('./types');
+
+/**
+ * The Mongoose [VirtualType](#virtualtype_VirtualType) constructor
+ *
+ * @method VirtualType
+ * @api public
+ */
+exports.VirtualType = require('./virtualtype');
+
+/**
+ * The various Mongoose SchemaTypes.
+ *
+ * #### Note:
+ *
+ * _Alias of mongoose.Schema.Types for backwards compatibility._
+ *
+ * @property SchemaTypes
+ * @see Schema.SchemaTypes #schema_Schema-Types
+ * @api public
+ */
+
+exports.SchemaType = require('./schematype.js');
+
+/**
+ * Internal utils
+ *
+ * @property utils
+ * @api private
+ */
+
+exports.utils = require('./utils.js');
+
+/**
+ * The Mongoose browser [Document](/api/document.html) constructor.
+ *
+ * @method Document
+ * @api public
+ */
+exports.Document = DocumentProvider();
+
+/**
+ * Return a new browser model. In the browser, a model is just
+ * a simplified document with a schema - it does **not** have
+ * functions like `findOne()`, etc.
+ *
+ * @method model
+ * @api public
+ * @param {String} name
+ * @param {Schema} schema
+ * @return Class
+ */
+exports.model = function(name, schema) {
+  class Model extends exports.Document {
+    constructor(obj, fields) {
+      super(obj, schema, fields);
+    }
+  }
+  Model.modelName = name;
+
+  return Model;
+};
+
+/*!
+ * Module exports.
+ */
+
+if (typeof window !== 'undefined') {
+  window.mongoose = module.exports;
+  window.Buffer = Buffer;
+}
diff --git a/node_modules/mongoose/lib/browserDocument.js b/node_modules/mongoose/lib/browserDocument.js
new file mode 100644
index 000000000..bf9b22a0b
--- /dev/null
+++ b/node_modules/mongoose/lib/browserDocument.js
@@ -0,0 +1,101 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const NodeJSDocument = require('./document');
+const EventEmitter = require('events').EventEmitter;
+const MongooseError = require('./error/index');
+const Schema = require('./schema');
+const ObjectId = require('./types/objectid');
+const ValidationError = MongooseError.ValidationError;
+const applyHooks = require('./helpers/model/applyHooks');
+const isObject = require('./helpers/isObject');
+
+/**
+ * Document constructor.
+ *
+ * @param {Object} obj the values to set
+ * @param {Object} schema
+ * @param {Object} [fields] optional object containing the fields which were selected in the query returning this document and any populated paths data
+ * @param {Boolean} [skipId] bool, should we auto create an ObjectId _id
+ * @inherits NodeJS EventEmitter https://nodejs.org/api/events.html#class-eventemitter
+ * @event `init`: Emitted on a document after it has was retrieved from the db and fully hydrated by Mongoose.
+ * @event `save`: Emitted when the document is successfully saved
+ * @api private
+ */
+
+function Document(obj, schema, fields, skipId, skipInit) {
+  if (!(this instanceof Document)) {
+    return new Document(obj, schema, fields, skipId, skipInit);
+  }
+
+  if (isObject(schema) && !schema.instanceOfSchema) {
+    schema = new Schema(schema);
+  }
+
+  // When creating EmbeddedDocument, it already has the schema and he doesn't need the _id
+  schema = this.schema || schema;
+
+  // Generate ObjectId if it is missing, but it requires a scheme
+  if (!this.schema && schema.options._id) {
+    obj = obj || {};
+
+    if (obj._id === undefined) {
+      obj._id = new ObjectId();
+    }
+  }
+
+  if (!schema) {
+    throw new MongooseError.MissingSchemaError();
+  }
+
+  this.$__setSchema(schema);
+
+  NodeJSDocument.call(this, obj, fields, skipId, skipInit);
+
+  applyHooks(this, schema, { decorateDoc: true });
+
+  // apply methods
+  for (const m in schema.methods) {
+    this[m] = schema.methods[m];
+  }
+  // apply statics
+  for (const s in schema.statics) {
+    this[s] = schema.statics[s];
+  }
+}
+
+/*!
+ * Inherit from the NodeJS document
+ */
+
+Document.prototype = Object.create(NodeJSDocument.prototype);
+Document.prototype.constructor = Document;
+
+/*!
+ * ignore
+ */
+
+Document.events = new EventEmitter();
+
+/*!
+ * Browser doc exposes the event emitter API
+ */
+
+Document.$emitter = new EventEmitter();
+
+['on', 'once', 'emit', 'listeners', 'removeListener', 'setMaxListeners',
+  'removeAllListeners', 'addListener'].forEach(function(emitterFn) {
+  Document[emitterFn] = function() {
+    return Document.$emitter[emitterFn].apply(Document.$emitter, arguments);
+  };
+});
+
+/*!
+ * Module exports.
+ */
+
+Document.ValidationError = ValidationError;
+module.exports = exports = Document;
diff --git a/node_modules/mongoose/lib/cast.js b/node_modules/mongoose/lib/cast.js
new file mode 100644
index 000000000..ecb96e74f
--- /dev/null
+++ b/node_modules/mongoose/lib/cast.js
@@ -0,0 +1,380 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const CastError = require('./error/cast');
+const StrictModeError = require('./error/strict');
+const Types = require('./schema/index');
+const cast$expr = require('./helpers/query/cast$expr');
+const castTextSearch = require('./schema/operators/text');
+const get = require('./helpers/get');
+const getConstructorName = require('./helpers/getConstructorName');
+const getSchemaDiscriminatorByValue = require('./helpers/discriminator/getSchemaDiscriminatorByValue');
+const isOperator = require('./helpers/query/isOperator');
+const util = require('util');
+const isObject = require('./helpers/isObject');
+const isMongooseObject = require('./helpers/isMongooseObject');
+
+const ALLOWED_GEOWITHIN_GEOJSON_TYPES = ['Polygon', 'MultiPolygon'];
+
+/**
+ * Handles internal casting for query filters.
+ *
+ * @param {Schema} schema
+ * @param {Object} obj Object to cast
+ * @param {Object} [options] the query options
+ * @param {Boolean|"throw"} [options.strict] Wheter to enable all strict options
+ * @param {Boolean|"throw"} [options.strictQuery] Enable strict Queries
+ * @param {Boolean} [options.upsert]
+ * @param {Query} [context] passed to setters
+ * @api private
+ */
+module.exports = function cast(schema, obj, options, context) {
+  if (Array.isArray(obj)) {
+    throw new Error('Query filter must be an object, got an array ', util.inspect(obj));
+  }
+
+  if (obj == null) {
+    return obj;
+  }
+
+  if (schema != null && schema.discriminators != null && obj[schema.options.discriminatorKey] != null) {
+    schema = getSchemaDiscriminatorByValue(schema, obj[schema.options.discriminatorKey]) || schema;
+  }
+
+  const paths = Object.keys(obj);
+  let i = paths.length;
+  let _keys;
+  let any$conditionals;
+  let schematype;
+  let nested;
+  let path;
+  let type;
+  let val;
+
+  options = options || {};
+
+  while (i--) {
+    path = paths[i];
+    val = obj[path];
+
+    if (path === '$or' || path === '$nor' || path === '$and') {
+      if (!Array.isArray(val)) {
+        throw new CastError('Array', val, path);
+      }
+      for (let k = 0; k < val.length; ++k) {
+        if (val[k] == null || typeof val[k] !== 'object') {
+          throw new CastError('Object', val[k], path + '.' + k);
+        }
+        val[k] = cast(schema, val[k], options, context);
+      }
+    } else if (path === '$where') {
+      type = typeof val;
+
+      if (type !== 'string' && type !== 'function') {
+        throw new Error('Must have a string or function for $where');
+      }
+
+      if (type === 'function') {
+        obj[path] = val.toString();
+      }
+
+      continue;
+    } else if (path === '$expr') {
+      val = cast$expr(val, schema);
+      continue;
+    } else if (path === '$elemMatch') {
+      val = cast(schema, val, options, context);
+    } else if (path === '$text') {
+      val = castTextSearch(val, path);
+    } else {
+      if (!schema) {
+        // no casting for Mixed types
+        continue;
+      }
+
+      schematype = schema.path(path);
+
+      // Check for embedded discriminator paths
+      if (!schematype) {
+        const split = path.split('.');
+        let j = split.length;
+        while (j--) {
+          const pathFirstHalf = split.slice(0, j).join('.');
+          const pathLastHalf = split.slice(j).join('.');
+          const _schematype = schema.path(pathFirstHalf);
+          const discriminatorKey = _schematype &&
+            _schematype.schema &&
+            _schematype.schema.options &&
+            _schematype.schema.options.discriminatorKey;
+
+          // gh-6027: if we haven't found the schematype but this path is
+          // underneath an embedded discriminator and the embedded discriminator
+          // key is in the query, use the embedded discriminator schema
+          if (_schematype != null &&
+            (_schematype.schema && _schematype.schema.discriminators) != null &&
+            discriminatorKey != null &&
+            pathLastHalf !== discriminatorKey) {
+            const discriminatorVal = get(obj, pathFirstHalf + '.' + discriminatorKey);
+            if (discriminatorVal != null) {
+              schematype = _schematype.schema.discriminators[discriminatorVal].
+                path(pathLastHalf);
+            }
+          }
+        }
+      }
+
+      if (!schematype) {
+        // Handle potential embedded array queries
+        const split = path.split('.');
+        let j = split.length;
+        let pathFirstHalf;
+        let pathLastHalf;
+        let remainingConds;
+
+        // Find the part of the var path that is a path of the Schema
+        while (j--) {
+          pathFirstHalf = split.slice(0, j).join('.');
+          schematype = schema.path(pathFirstHalf);
+          if (schematype) {
+            break;
+          }
+        }
+
+        // If a substring of the input path resolves to an actual real path...
+        if (schematype) {
+          // Apply the casting; similar code for $elemMatch in schema/array.js
+          if (schematype.caster && schematype.caster.schema) {
+            remainingConds = {};
+            pathLastHalf = split.slice(j).join('.');
+            remainingConds[pathLastHalf] = val;
+
+            const ret = cast(schematype.caster.schema, remainingConds, options, context)[pathLastHalf];
+            if (ret === void 0) {
+              delete obj[path];
+            } else {
+              obj[path] = ret;
+            }
+          } else {
+            obj[path] = val;
+          }
+          continue;
+        }
+
+        if (isObject(val)) {
+          // handle geo schemas that use object notation
+          // { loc: { long: Number, lat: Number }
+
+          let geo = '';
+          if (val.$near) {
+            geo = '$near';
+          } else if (val.$nearSphere) {
+            geo = '$nearSphere';
+          } else if (val.$within) {
+            geo = '$within';
+          } else if (val.$geoIntersects) {
+            geo = '$geoIntersects';
+          } else if (val.$geoWithin) {
+            geo = '$geoWithin';
+          }
+
+          if (geo) {
+            const numbertype = new Types.Number('__QueryCasting__');
+            let value = val[geo];
+
+            if (val.$maxDistance != null) {
+              val.$maxDistance = numbertype.castForQueryWrapper({
+                val: val.$maxDistance,
+                context: context
+              });
+            }
+            if (val.$minDistance != null) {
+              val.$minDistance = numbertype.castForQueryWrapper({
+                val: val.$minDistance,
+                context: context
+              });
+            }
+
+            if (geo === '$within') {
+              const withinType = value.$center
+                  || value.$centerSphere
+                  || value.$box
+                  || value.$polygon;
+
+              if (!withinType) {
+                throw new Error('Bad $within parameter: ' + JSON.stringify(val));
+              }
+
+              value = withinType;
+            } else if (geo === '$near' &&
+                typeof value.type === 'string' && Array.isArray(value.coordinates)) {
+              // geojson; cast the coordinates
+              value = value.coordinates;
+            } else if ((geo === '$near' || geo === '$nearSphere' || geo === '$geoIntersects') &&
+                value.$geometry && typeof value.$geometry.type === 'string' &&
+                Array.isArray(value.$geometry.coordinates)) {
+              if (value.$maxDistance != null) {
+                value.$maxDistance = numbertype.castForQueryWrapper({
+                  val: value.$maxDistance,
+                  context: context
+                });
+              }
+              if (value.$minDistance != null) {
+                value.$minDistance = numbertype.castForQueryWrapper({
+                  val: value.$minDistance,
+                  context: context
+                });
+              }
+              if (isMongooseObject(value.$geometry)) {
+                value.$geometry = value.$geometry.toObject({
+                  transform: false,
+                  virtuals: false
+                });
+              }
+              value = value.$geometry.coordinates;
+            } else if (geo === '$geoWithin') {
+              if (value.$geometry) {
+                if (isMongooseObject(value.$geometry)) {
+                  value.$geometry = value.$geometry.toObject({ virtuals: false });
+                }
+                const geoWithinType = value.$geometry.type;
+                if (ALLOWED_GEOWITHIN_GEOJSON_TYPES.indexOf(geoWithinType) === -1) {
+                  throw new Error('Invalid geoJSON type for $geoWithin "' +
+                    geoWithinType + '", must be "Polygon" or "MultiPolygon"');
+                }
+                value = value.$geometry.coordinates;
+              } else {
+                value = value.$box || value.$polygon || value.$center ||
+                  value.$centerSphere;
+                if (isMongooseObject(value)) {
+                  value = value.toObject({ virtuals: false });
+                }
+              }
+            }
+
+            _cast(value, numbertype, context);
+            continue;
+          }
+        }
+
+        if (schema.nested[path]) {
+          continue;
+        }
+
+        const strict = 'strict' in options ? options.strict : schema.options.strict;
+        const strictQuery = 'strictQuery' in options ?
+          options.strictQuery :
+          'strict' in options ?
+            options.strict :
+            'strict' in schema._userProvidedOptions ? schema._userProvidedOptions.strict :
+              schema.options.strictQuery;
+        if (options.upsert && strict) {
+          if (strict === 'throw') {
+            throw new StrictModeError(path);
+          }
+          throw new StrictModeError(path, 'Path "' + path + '" is not in ' +
+            'schema, strict mode is `true`, and upsert is `true`.');
+        } if (strictQuery === 'throw') {
+          throw new StrictModeError(path, 'Path "' + path + '" is not in ' +
+            'schema and strictQuery is \'throw\'.');
+        } else if (strictQuery) {
+          delete obj[path];
+        }
+      } else if (val == null) {
+        continue;
+      } else if (getConstructorName(val) === 'Object') {
+        any$conditionals = Object.keys(val).some(isOperator);
+
+        if (!any$conditionals) {
+          obj[path] = schematype.castForQueryWrapper({
+            val: val,
+            context: context
+          });
+        } else {
+          const ks = Object.keys(val);
+          let $cond;
+
+          let k = ks.length;
+
+          while (k--) {
+            $cond = ks[k];
+            nested = val[$cond];
+
+            if ($cond === '$not') {
+              if (nested && schematype) {
+                _keys = Object.keys(nested);
+                if (_keys.length && isOperator(_keys[0])) {
+                  for (const key in nested) {
+                    nested[key] = schematype.castForQueryWrapper({
+                      $conditional: key,
+                      val: nested[key],
+                      context: context
+                    });
+                  }
+                } else {
+                  val[$cond] = schematype.castForQueryWrapper({
+                    $conditional: $cond,
+                    val: nested,
+                    context: context
+                  });
+                }
+                continue;
+              }
+            } else {
+              val[$cond] = schematype.castForQueryWrapper({
+                $conditional: $cond,
+                val: nested,
+                context: context
+              });
+            }
+          }
+        }
+      } else if (Array.isArray(val) && ['Buffer', 'Array'].indexOf(schematype.instance) === -1) {
+        const casted = [];
+        const valuesArray = val;
+
+        for (const _val of valuesArray) {
+          casted.push(schematype.castForQueryWrapper({
+            val: _val,
+            context: context
+          }));
+        }
+
+        obj[path] = { $in: casted };
+      } else {
+        obj[path] = schematype.castForQueryWrapper({
+          val: val,
+          context: context
+        });
+      }
+    }
+  }
+
+  return obj;
+};
+
+function _cast(val, numbertype, context) {
+  if (Array.isArray(val)) {
+    val.forEach(function(item, i) {
+      if (Array.isArray(item) || isObject(item)) {
+        return _cast(item, numbertype, context);
+      }
+      val[i] = numbertype.castForQueryWrapper({ val: item, context: context });
+    });
+  } else {
+    const nearKeys = Object.keys(val);
+    let nearLen = nearKeys.length;
+    while (nearLen--) {
+      const nkey = nearKeys[nearLen];
+      const item = val[nkey];
+      if (Array.isArray(item) || isObject(item)) {
+        _cast(item, numbertype, context);
+        val[nkey] = item;
+      } else {
+        val[nkey] = numbertype.castForQuery({ val: item, context: context });
+      }
+    }
+  }
+}
diff --git a/node_modules/mongoose/lib/cast/boolean.js b/node_modules/mongoose/lib/cast/boolean.js
new file mode 100644
index 000000000..aaa1fb066
--- /dev/null
+++ b/node_modules/mongoose/lib/cast/boolean.js
@@ -0,0 +1,32 @@
+'use strict';
+
+const CastError = require('../error/cast');
+
+/**
+ * Given a value, cast it to a boolean, or throw a `CastError` if the value
+ * cannot be casted. `null` and `undefined` are considered valid.
+ *
+ * @param {Any} value
+ * @param {String} [path] optional the path to set on the CastError
+ * @return {Boolean|null|undefined}
+ * @throws {CastError} if `value` is not one of the allowed values
+ * @api private
+ */
+
+module.exports = function castBoolean(value, path) {
+  if (module.exports.convertToTrue.has(value)) {
+    return true;
+  }
+  if (module.exports.convertToFalse.has(value)) {
+    return false;
+  }
+
+  if (value == null) {
+    return value;
+  }
+
+  throw new CastError('boolean', value, path);
+};
+
+module.exports.convertToTrue = new Set([true, 'true', 1, '1', 'yes']);
+module.exports.convertToFalse = new Set([false, 'false', 0, '0', 'no']);
diff --git a/node_modules/mongoose/lib/cast/date.js b/node_modules/mongoose/lib/cast/date.js
new file mode 100644
index 000000000..c7f9b048e
--- /dev/null
+++ b/node_modules/mongoose/lib/cast/date.js
@@ -0,0 +1,41 @@
+'use strict';
+
+const assert = require('assert');
+
+module.exports = function castDate(value) {
+  // Support empty string because of empty form values. Originally introduced
+  // in https://github.com/Automattic/mongoose/commit/efc72a1898fc3c33a319d915b8c5463a22938dfe
+  if (value == null || value === '') {
+    return null;
+  }
+
+  if (value instanceof Date) {
+    assert.ok(!isNaN(value.valueOf()));
+
+    return value;
+  }
+
+  let date;
+
+  assert.ok(typeof value !== 'boolean');
+
+  if (value instanceof Number || typeof value === 'number') {
+    date = new Date(value);
+  } else if (typeof value === 'string' && !isNaN(Number(value)) && (Number(value) >= 275761 || Number(value) < -271820)) {
+    // string representation of milliseconds take this path
+    date = new Date(Number(value));
+  } else if (typeof value.valueOf === 'function') {
+    // support for moment.js. This is also the path strings will take because
+    // strings have a `valueOf()`
+    date = new Date(value.valueOf());
+  } else {
+    // fallback
+    date = new Date(value);
+  }
+
+  if (!isNaN(date.valueOf())) {
+    return date;
+  }
+
+  assert.ok(false);
+};
diff --git a/node_modules/mongoose/lib/cast/decimal128.js b/node_modules/mongoose/lib/cast/decimal128.js
new file mode 100644
index 000000000..2cd9208af
--- /dev/null
+++ b/node_modules/mongoose/lib/cast/decimal128.js
@@ -0,0 +1,36 @@
+'use strict';
+
+const Decimal128Type = require('../types/decimal128');
+const assert = require('assert');
+
+module.exports = function castDecimal128(value) {
+  if (value == null) {
+    return value;
+  }
+
+  if (typeof value === 'object' && typeof value.$numberDecimal === 'string') {
+    return Decimal128Type.fromString(value.$numberDecimal);
+  }
+
+  if (value instanceof Decimal128Type) {
+    return value;
+  }
+
+  if (typeof value === 'string') {
+    return Decimal128Type.fromString(value);
+  }
+
+  if (Buffer.isBuffer(value)) {
+    return new Decimal128Type(value);
+  }
+
+  if (typeof value === 'number') {
+    return Decimal128Type.fromString(String(value));
+  }
+
+  if (typeof value.valueOf === 'function' && typeof value.valueOf() === 'string') {
+    return Decimal128Type.fromString(value.valueOf());
+  }
+
+  assert.ok(false);
+};
diff --git a/node_modules/mongoose/lib/cast/number.js b/node_modules/mongoose/lib/cast/number.js
new file mode 100644
index 000000000..cf0362de1
--- /dev/null
+++ b/node_modules/mongoose/lib/cast/number.js
@@ -0,0 +1,42 @@
+'use strict';
+
+const assert = require('assert');
+
+/**
+ * Given a value, cast it to a number, or throw an `Error` if the value
+ * cannot be casted. `null` and `undefined` are considered valid.
+ *
+ * @param {Any} value
+ * @return {Number}
+ * @throws {Error} if `value` is not one of the allowed values
+ * @api private
+ */
+
+module.exports = function castNumber(val) {
+  if (val == null) {
+    return val;
+  }
+  if (val === '') {
+    return null;
+  }
+
+  if (typeof val === 'string' || typeof val === 'boolean') {
+    val = Number(val);
+  }
+
+  assert.ok(!isNaN(val));
+  if (val instanceof Number) {
+    return val.valueOf();
+  }
+  if (typeof val === 'number') {
+    return val;
+  }
+  if (!Array.isArray(val) && typeof val.valueOf === 'function') {
+    return Number(val.valueOf());
+  }
+  if (val.toString && !Array.isArray(val) && val.toString() == Number(val)) {
+    return Number(val);
+  }
+
+  assert.ok(false);
+};
diff --git a/node_modules/mongoose/lib/cast/objectid.js b/node_modules/mongoose/lib/cast/objectid.js
new file mode 100644
index 000000000..7321c0ccc
--- /dev/null
+++ b/node_modules/mongoose/lib/cast/objectid.js
@@ -0,0 +1,29 @@
+'use strict';
+
+const isBsonType = require('../helpers/isBsonType');
+const ObjectId = require('../driver').get().ObjectId;
+
+module.exports = function castObjectId(value) {
+  if (value == null) {
+    return value;
+  }
+
+  if (isBsonType(value, 'ObjectID')) {
+    return value;
+  }
+
+  if (value._id) {
+    if (isBsonType(value._id, 'ObjectID')) {
+      return value._id;
+    }
+    if (value._id.toString instanceof Function) {
+      return new ObjectId(value._id.toString());
+    }
+  }
+
+  if (value.toString instanceof Function) {
+    return new ObjectId(value.toString());
+  }
+
+  return new ObjectId(value);
+};
diff --git a/node_modules/mongoose/lib/cast/string.js b/node_modules/mongoose/lib/cast/string.js
new file mode 100644
index 000000000..aabb822c5
--- /dev/null
+++ b/node_modules/mongoose/lib/cast/string.js
@@ -0,0 +1,37 @@
+'use strict';
+
+const CastError = require('../error/cast');
+
+/**
+ * Given a value, cast it to a string, or throw a `CastError` if the value
+ * cannot be casted. `null` and `undefined` are considered valid.
+ *
+ * @param {Any} value
+ * @param {String} [path] optional the path to set on the CastError
+ * @return {string|null|undefined}
+ * @throws {CastError}
+ * @api private
+ */
+
+module.exports = function castString(value, path) {
+  // If null or undefined
+  if (value == null) {
+    return value;
+  }
+
+  // handle documents being passed
+  if (value._id && typeof value._id === 'string') {
+    return value._id;
+  }
+
+  // Re: gh-647 and gh-3030, we're ok with casting using `toString()`
+  // **unless** its the default Object.toString, because "[object Object]"
+  // doesn't really qualify as useful data
+  if (value.toString &&
+      value.toString !== Object.prototype.toString &&
+      !Array.isArray(value)) {
+    return value.toString();
+  }
+
+  throw new CastError('string', value, path);
+};
diff --git a/node_modules/mongoose/lib/collection.js b/node_modules/mongoose/lib/collection.js
new file mode 100644
index 000000000..35633a6e2
--- /dev/null
+++ b/node_modules/mongoose/lib/collection.js
@@ -0,0 +1,311 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const EventEmitter = require('events').EventEmitter;
+const STATES = require('./connectionstate');
+const immediate = require('./helpers/immediate');
+
+/**
+ * Abstract Collection constructor
+ *
+ * This is the base class that drivers inherit from and implement.
+ *
+ * @param {String} name name of the collection
+ * @param {Connection} conn A MongooseConnection instance
+ * @param {Object} [opts] optional collection options
+ * @api public
+ */
+
+function Collection(name, conn, opts) {
+  if (opts === void 0) {
+    opts = {};
+  }
+
+  this.opts = opts;
+  this.name = name;
+  this.collectionName = name;
+  this.conn = conn;
+  this.queue = [];
+  this.buffer = true;
+  this.emitter = new EventEmitter();
+
+  if (STATES.connected === this.conn.readyState) {
+    this.onOpen();
+  }
+}
+
+/**
+ * The collection name
+ *
+ * @api public
+ * @property name
+ */
+
+Collection.prototype.name;
+
+/**
+ * The collection name
+ *
+ * @api public
+ * @property collectionName
+ */
+
+Collection.prototype.collectionName;
+
+/**
+ * The Connection instance
+ *
+ * @api public
+ * @property conn
+ */
+
+Collection.prototype.conn;
+
+/**
+ * Called when the database connects
+ *
+ * @api private
+ */
+
+Collection.prototype.onOpen = function() {
+  this.buffer = false;
+  immediate(() => this.doQueue());
+};
+
+/**
+ * Called when the database disconnects
+ *
+ * @api private
+ */
+
+Collection.prototype.onClose = function() {};
+
+/**
+ * Queues a method for later execution when its
+ * database connection opens.
+ *
+ * @param {String} name name of the method to queue
+ * @param {Array} args arguments to pass to the method when executed
+ * @api private
+ */
+
+Collection.prototype.addQueue = function(name, args) {
+  this.queue.push([name, args]);
+  return this;
+};
+
+/**
+ * Removes a queued method
+ *
+ * @param {String} name name of the method to queue
+ * @param {Array} args arguments to pass to the method when executed
+ * @api private
+ */
+
+Collection.prototype.removeQueue = function(name, args) {
+  const index = this.queue.findIndex(v => v[0] === name && v[1] === args);
+  if (index === -1) {
+    return false;
+  }
+  this.queue.splice(index, 1);
+  return true;
+};
+
+/**
+ * Executes all queued methods and clears the queue.
+ *
+ * @api private
+ */
+
+Collection.prototype.doQueue = function() {
+  for (const method of this.queue) {
+    if (typeof method[0] === 'function') {
+      method[0].apply(this, method[1]);
+    } else {
+      this[method[0]].apply(this, method[1]);
+    }
+  }
+  this.queue = [];
+  const _this = this;
+  immediate(function() {
+    _this.emitter.emit('queue');
+  });
+  return this;
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.ensureIndex = function() {
+  throw new Error('Collection#ensureIndex unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.createIndex = function() {
+  throw new Error('Collection#createIndex unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.findAndModify = function() {
+  throw new Error('Collection#findAndModify unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.findOneAndUpdate = function() {
+  throw new Error('Collection#findOneAndUpdate unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.findOneAndDelete = function() {
+  throw new Error('Collection#findOneAndDelete unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.findOneAndReplace = function() {
+  throw new Error('Collection#findOneAndReplace unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.findOne = function() {
+  throw new Error('Collection#findOne unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.find = function() {
+  throw new Error('Collection#find unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.insert = function() {
+  throw new Error('Collection#insert unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.insertOne = function() {
+  throw new Error('Collection#insertOne unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.insertMany = function() {
+  throw new Error('Collection#insertMany unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.save = function() {
+  throw new Error('Collection#save unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.update = function() {
+  throw new Error('Collection#update unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.getIndexes = function() {
+  throw new Error('Collection#getIndexes unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.mapReduce = function() {
+  throw new Error('Collection#mapReduce unimplemented by driver');
+};
+
+/**
+ * Abstract method that drivers must implement.
+ */
+
+Collection.prototype.watch = function() {
+  throw new Error('Collection#watch unimplemented by driver');
+};
+
+/*!
+ * ignore
+ */
+
+Collection.prototype._shouldBufferCommands = function _shouldBufferCommands() {
+  const opts = this.opts;
+
+  if (opts.bufferCommands != null) {
+    return opts.bufferCommands;
+  }
+  if (opts && opts.schemaUserProvidedOptions != null && opts.schemaUserProvidedOptions.bufferCommands != null) {
+    return opts.schemaUserProvidedOptions.bufferCommands;
+  }
+
+  return this.conn._shouldBufferCommands();
+};
+
+/*!
+ * ignore
+ */
+
+Collection.prototype._getBufferTimeoutMS = function _getBufferTimeoutMS() {
+  const conn = this.conn;
+  const opts = this.opts;
+
+  if (opts.bufferTimeoutMS != null) {
+    return opts.bufferTimeoutMS;
+  }
+  if (opts && opts.schemaUserProvidedOptions != null && opts.schemaUserProvidedOptions.bufferTimeoutMS != null) {
+    return opts.schemaUserProvidedOptions.bufferTimeoutMS;
+  }
+  if (conn.config.bufferTimeoutMS != null) {
+    return conn.config.bufferTimeoutMS;
+  }
+  if (conn.base != null && conn.base.get('bufferTimeoutMS') != null) {
+    return conn.base.get('bufferTimeoutMS');
+  }
+  return 10000;
+};
+
+/*!
+ * Module exports.
+ */
+
+module.exports = Collection;
diff --git a/node_modules/mongoose/lib/connection.js b/node_modules/mongoose/lib/connection.js
new file mode 100644
index 000000000..ccf14825d
--- /dev/null
+++ b/node_modules/mongoose/lib/connection.js
@@ -0,0 +1,1552 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const ChangeStream = require('./cursor/ChangeStream');
+const EventEmitter = require('events').EventEmitter;
+const Schema = require('./schema');
+const STATES = require('./connectionstate');
+const MongooseError = require('./error/index');
+const DisconnectedError = require('./error/disconnected');
+const SyncIndexesError = require('./error/syncIndexes');
+const PromiseProvider = require('./promise_provider');
+const ServerSelectionError = require('./error/serverSelection');
+const applyPlugins = require('./helpers/schema/applyPlugins');
+const driver = require('./driver');
+const promiseOrCallback = require('./helpers/promiseOrCallback');
+const get = require('./helpers/get');
+const immediate = require('./helpers/immediate');
+const mongodb = require('mongodb');
+const pkg = require('../package.json');
+const utils = require('./utils');
+const processConnectionOptions = require('./helpers/processConnectionOptions');
+
+const arrayAtomicsSymbol = require('./helpers/symbols').arrayAtomicsSymbol;
+const sessionNewDocuments = require('./helpers/symbols').sessionNewDocuments;
+
+/**
+ * A list of authentication mechanisms that don't require a password for authentication.
+ * This is used by the authMechanismDoesNotRequirePassword method.
+ *
+ * @api private
+ */
+const noPasswordAuthMechanisms = [
+  'MONGODB-X509'
+];
+
+/**
+ * Connection constructor
+ *
+ * For practical reasons, a Connection equals a Db.
+ *
+ * @param {Mongoose} base a mongoose instance
+ * @inherits NodeJS EventEmitter https://nodejs.org/api/events.html#class-eventemitter
+ * @event `connecting`: Emitted when `connection.openUri()` is executed on this connection.
+ * @event `connected`: Emitted when this connection successfully connects to the db. May be emitted _multiple_ times in `reconnected` scenarios.
+ * @event `open`: Emitted after we `connected` and `onOpen` is executed on all of this connection's models.
+ * @event `disconnecting`: Emitted when `connection.close()` was executed.
+ * @event `disconnected`: Emitted after getting disconnected from the db.
+ * @event `close`: Emitted after we `disconnected` and `onClose` executed on all of this connection's models.
+ * @event `reconnected`: Emitted after we `connected` and subsequently `disconnected`, followed by successfully another successful connection.
+ * @event `error`: Emitted when an error occurs on this connection.
+ * @event `fullsetup`: Emitted after the driver has connected to primary and all secondaries if specified in the connection string.
+ * @api public
+ */
+
+function Connection(base) {
+  this.base = base;
+  this.collections = {};
+  this.models = {};
+  this.config = {};
+  this.replica = false;
+  this.options = null;
+  this.otherDbs = []; // FIXME: To be replaced with relatedDbs
+  this.relatedDbs = {}; // Hashmap of other dbs that share underlying connection
+  this.states = STATES;
+  this._readyState = STATES.disconnected;
+  this._closeCalled = false;
+  this._hasOpened = false;
+  this.plugins = [];
+  if (typeof base === 'undefined' || !base.connections.length) {
+    this.id = 0;
+  } else {
+    this.id = base.connections.length;
+  }
+  this._queue = [];
+}
+
+/*!
+ * Inherit from EventEmitter
+ */
+
+Object.setPrototypeOf(Connection.prototype, EventEmitter.prototype);
+
+/**
+ * Connection ready state
+ *
+ * - 0 = disconnected
+ * - 1 = connected
+ * - 2 = connecting
+ * - 3 = disconnecting
+ *
+ * Each state change emits its associated event name.
+ *
+ * #### Example:
+ *
+ *     conn.on('connected', callback);
+ *     conn.on('disconnected', callback);
+ *
+ * @property readyState
+ * @memberOf Connection
+ * @instance
+ * @api public
+ */
+
+Object.defineProperty(Connection.prototype, 'readyState', {
+  get: function() {
+    return this._readyState;
+  },
+  set: function(val) {
+    if (!(val in STATES)) {
+      throw new Error('Invalid connection state: ' + val);
+    }
+
+    if (this._readyState !== val) {
+      this._readyState = val;
+      // [legacy] loop over the otherDbs on this connection and change their state
+      for (const db of this.otherDbs) {
+        db.readyState = val;
+      }
+
+      if (STATES.connected === val) {
+        this._hasOpened = true;
+      }
+
+      this.emit(STATES[val]);
+    }
+  }
+});
+
+/**
+ * Gets the value of the option `key`. Equivalent to `conn.options[key]`
+ *
+ * #### Example:
+ *
+ *     conn.get('test'); // returns the 'test' value
+ *
+ * @param {String} key
+ * @method get
+ * @api public
+ */
+
+Connection.prototype.get = function(key) {
+  if (this.config.hasOwnProperty(key)) {
+    return this.config[key];
+  }
+
+  return get(this.options, key);
+};
+
+/**
+ * Sets the value of the option `key`. Equivalent to `conn.options[key] = val`
+ *
+ * Supported options include:
+ *
+ * - `maxTimeMS`: Set [`maxTimeMS`](/docs/api.html#query_Query-maxTimeMS) for all queries on this connection.
+ *
+ * #### Example:
+ *
+ *     conn.set('test', 'foo');
+ *     conn.get('test'); // 'foo'
+ *     conn.options.test; // 'foo'
+ *
+ * @param {String} key
+ * @param {Any} val
+ * @method set
+ * @api public
+ */
+
+Connection.prototype.set = function(key, val) {
+  if (this.config.hasOwnProperty(key)) {
+    this.config[key] = val;
+    return val;
+  }
+
+  this.options = this.options || {};
+  this.options[key] = val;
+  return val;
+};
+
+/**
+ * A hash of the collections associated with this connection
+ *
+ * @property collections
+ * @memberOf Connection
+ * @instance
+ * @api public
+ */
+
+Connection.prototype.collections;
+
+/**
+ * The name of the database this connection points to.
+ *
+ * #### Example:
+ *
+ *     mongoose.createConnection('mongodb://localhost:27017/mydb').name; // "mydb"
+ *
+ * @property name
+ * @memberOf Connection
+ * @instance
+ * @api public
+ */
+
+Connection.prototype.name;
+
+/**
+ * A [POJO](https://masteringjs.io/tutorials/fundamentals/pojo) containing
+ * a map from model names to models. Contains all models that have been
+ * added to this connection using [`Connection#model()`](/docs/api/connection.html#connection_Connection-model).
+ *
+ * #### Example:
+ *
+ *     const conn = mongoose.createConnection();
+ *     const Test = conn.model('Test', mongoose.Schema({ name: String }));
+ *
+ *     Object.keys(conn.models).length; // 1
+ *     conn.models.Test === Test; // true
+ *
+ * @property models
+ * @memberOf Connection
+ * @instance
+ * @api public
+ */
+
+Connection.prototype.models;
+
+/**
+ * A number identifier for this connection. Used for debugging when
+ * you have [multiple connections](/docs/connections.html#multiple_connections).
+ *
+ * #### Example:
+ *
+ *     // The default connection has `id = 0`
+ *     mongoose.connection.id; // 0
+ *
+ *     // If you create a new connection, Mongoose increments id
+ *     const conn = mongoose.createConnection();
+ *     conn.id; // 1
+ *
+ * @property id
+ * @memberOf Connection
+ * @instance
+ * @api public
+ */
+
+Connection.prototype.id;
+
+/**
+ * The plugins that will be applied to all models created on this connection.
+ *
+ * #### Example:
+ *
+ *     const db = mongoose.createConnection('mongodb://localhost:27017/mydb');
+ *     db.plugin(() => console.log('Applied'));
+ *     db.plugins.length; // 1
+ *
+ *     db.model('Test', new Schema({})); // Prints "Applied"
+ *
+ * @property plugins
+ * @memberOf Connection
+ * @instance
+ * @api public
+ */
+
+Object.defineProperty(Connection.prototype, 'plugins', {
+  configurable: false,
+  enumerable: true,
+  writable: true
+});
+
+/**
+ * The host name portion of the URI. If multiple hosts, such as a replica set,
+ * this will contain the first host name in the URI
+ *
+ * #### Example:
+ *
+ *     mongoose.createConnection('mongodb://localhost:27017/mydb').host; // "localhost"
+ *
+ * @property host
+ * @memberOf Connection
+ * @instance
+ * @api public
+ */
+
+Object.defineProperty(Connection.prototype, 'host', {
+  configurable: true,
+  enumerable: true,
+  writable: true
+});
+
+/**
+ * The port portion of the URI. If multiple hosts, such as a replica set,
+ * this will contain the port from the first host name in the URI.
+ *
+ * #### Example:
+ *
+ *     mongoose.createConnection('mongodb://localhost:27017/mydb').port; // 27017
+ *
+ * @property port
+ * @memberOf Connection
+ * @instance
+ * @api public
+ */
+
+Object.defineProperty(Connection.prototype, 'port', {
+  configurable: true,
+  enumerable: true,
+  writable: true
+});
+
+/**
+ * The username specified in the URI
+ *
+ * #### Example:
+ *
+ *     mongoose.createConnection('mongodb://val:psw@localhost:27017/mydb').user; // "val"
+ *
+ * @property user
+ * @memberOf Connection
+ * @instance
+ * @api public
+ */
+
+Object.defineProperty(Connection.prototype, 'user', {
+  configurable: true,
+  enumerable: true,
+  writable: true
+});
+
+/**
+ * The password specified in the URI
+ *
+ * #### Example:
+ *
+ *     mongoose.createConnection('mongodb://val:psw@localhost:27017/mydb').pass; // "psw"
+ *
+ * @property pass
+ * @memberOf Connection
+ * @instance
+ * @api public
+ */
+
+Object.defineProperty(Connection.prototype, 'pass', {
+  configurable: true,
+  enumerable: true,
+  writable: true
+});
+
+/**
+ * The mongodb.Db instance, set when the connection is opened
+ *
+ * @property db
+ * @memberOf Connection
+ * @instance
+ * @api public
+ */
+
+Connection.prototype.db;
+
+/**
+ * The MongoClient instance this connection uses to talk to MongoDB. Mongoose automatically sets this property
+ * when the connection is opened.
+ *
+ * @property client
+ * @memberOf Connection
+ * @instance
+ * @api public
+ */
+
+Connection.prototype.client;
+
+/**
+ * A hash of the global options that are associated with this connection
+ *
+ * @property config
+ * @memberOf Connection
+ * @instance
+ * @api public
+ */
+
+Connection.prototype.config;
+
+/**
+ * Helper for `createCollection()`. Will explicitly create the given collection
+ * with specified options. Used to create [capped collections](https://docs.mongodb.com/manual/core/capped-collections/)
+ * and [views](https://docs.mongodb.com/manual/core/views/) from mongoose.
+ *
+ * Options are passed down without modification to the [MongoDB driver's `createCollection()` function](https://mongodb.github.io/node-mongodb-native/4.9/classes/Db.html#createCollection)
+ *
+ * @method createCollection
+ * @param {string} collection The collection to create
+ * @param {Object} [options] see [MongoDB driver docs](https://mongodb.github.io/node-mongodb-native/4.9/classes/Db.html#createCollection)
+ * @param {Function} [callback]
+ * @return {Promise} Returns a Promise if no `callback` is given.
+ * @api public
+ */
+
+Connection.prototype.createCollection = _wrapConnHelper(function createCollection(collection, options, cb) {
+  if (typeof options === 'function') {
+    cb = options;
+    options = {};
+  }
+  this.db.createCollection(collection, options, cb);
+});
+
+/**
+ * _Requires MongoDB >= 3.6.0._ Starts a [MongoDB session](https://docs.mongodb.com/manual/release-notes/3.6/#client-sessions)
+ * for benefits like causal consistency, [retryable writes](https://docs.mongodb.com/manual/core/retryable-writes/),
+ * and [transactions](https://thecodebarbarian.com/a-node-js-perspective-on-mongodb-4-transactions.html).
+ *
+ * #### Example:
+ *
+ *     const session = await conn.startSession();
+ *     let doc = await Person.findOne({ name: 'Ned Stark' }, null, { session });
+ *     await doc.remove();
+ *     // `doc` will always be null, even if reading from a replica set
+ *     // secondary. Without causal consistency, it is possible to
+ *     // get a doc back from the below query if the query reads from a
+ *     // secondary that is experiencing replication lag.
+ *     doc = await Person.findOne({ name: 'Ned Stark' }, null, { session, readPreference: 'secondary' });
+ *
+ *
+ * @method startSession
+ * @param {Object} [options] see the [mongodb driver options](https://mongodb.github.io/node-mongodb-native/4.9/classes/MongoClient.html#startSession)
+ * @param {Boolean} [options.causalConsistency=true] set to false to disable causal consistency
+ * @param {Function} [callback]
+ * @return {Promise<ClientSession>} promise that resolves to a MongoDB driver `ClientSession`
+ * @api public
+ */
+
+Connection.prototype.startSession = _wrapConnHelper(function startSession(options, cb) {
+  if (typeof options === 'function') {
+    cb = options;
+    options = null;
+  }
+  const session = this.client.startSession(options);
+  cb(null, session);
+});
+
+/**
+ * _Requires MongoDB >= 3.6.0._ Executes the wrapped async function
+ * in a transaction. Mongoose will commit the transaction if the
+ * async function executes successfully and attempt to retry if
+ * there was a retriable error.
+ *
+ * Calls the MongoDB driver's [`session.withTransaction()`](https://mongodb.github.io/node-mongodb-native/4.9/classes/ClientSession.html#withTransaction),
+ * but also handles resetting Mongoose document state as shown below.
+ *
+ * #### Example:
+ *
+ *     const doc = new Person({ name: 'Will Riker' });
+ *     await db.transaction(async function setRank(session) {
+ *       doc.rank = 'Captain';
+ *       await doc.save({ session });
+ *       doc.isNew; // false
+ *
+ *       // Throw an error to abort the transaction
+ *       throw new Error('Oops!');
+ *     },{ readPreference: 'primary' }).catch(() => {});
+ *
+ *     // true, `transaction()` reset the document's state because the
+ *     // transaction was aborted.
+ *     doc.isNew;
+ *
+ * @method transaction
+ * @param {Function} fn Function to execute in a transaction
+ * @param {mongodb.TransactionOptions} [options] Optional settings for the transaction
+ * @return {Promise<Any>} promise that is fulfilled if Mongoose successfully committed the transaction, or rejects if the transaction was aborted or if Mongoose failed to commit the transaction. If fulfilled, the promise resolves to a MongoDB command result.
+ * @api public
+ */
+
+Connection.prototype.transaction = function transaction(fn, options) {
+  return this.startSession().then(session => {
+    session[sessionNewDocuments] = new Map();
+    return session.withTransaction(() => fn(session), options).
+      then(res => {
+        delete session[sessionNewDocuments];
+        return res;
+      }).
+      catch(err => {
+        // If transaction was aborted, we need to reset newly
+        // inserted documents' `isNew`.
+        for (const doc of session[sessionNewDocuments].keys()) {
+          const state = session[sessionNewDocuments].get(doc);
+          if (state.hasOwnProperty('isNew')) {
+            doc.$isNew = state.$isNew;
+          }
+          if (state.hasOwnProperty('versionKey')) {
+            doc.set(doc.schema.options.versionKey, state.versionKey);
+          }
+
+          if (state.modifiedPaths.length > 0 && doc.$__.activePaths.states.modify == null) {
+            doc.$__.activePaths.states.modify = {};
+          }
+          for (const path of state.modifiedPaths) {
+            doc.$__.activePaths.paths[path] = 'modify';
+            doc.$__.activePaths.states.modify[path] = true;
+          }
+
+          for (const path of state.atomics.keys()) {
+            const val = doc.$__getValue(path);
+            if (val == null) {
+              continue;
+            }
+            val[arrayAtomicsSymbol] = state.atomics.get(path);
+          }
+        }
+        delete session[sessionNewDocuments];
+        throw err;
+      })
+      .finally(() => {
+        session.endSession()
+          .catch(() => {});
+      });
+  });
+};
+
+/**
+ * Helper for `dropCollection()`. Will delete the given collection, including
+ * all documents and indexes.
+ *
+ * @method dropCollection
+ * @param {string} collection The collection to delete
+ * @param {Function} [callback]
+ * @return {Promise} Returns a Promise if no `callback` is given.
+ * @api public
+ */
+
+Connection.prototype.dropCollection = _wrapConnHelper(function dropCollection(collection, cb) {
+  this.db.dropCollection(collection, cb);
+});
+
+/**
+ * Helper for `dropDatabase()`. Deletes the given database, including all
+ * collections, documents, and indexes.
+ *
+ * #### Example:
+ *
+ *     const conn = mongoose.createConnection('mongodb://localhost:27017/mydb');
+ *     // Deletes the entire 'mydb' database
+ *     await conn.dropDatabase();
+ *
+ * @method dropDatabase
+ * @param {Function} [callback]
+ * @return {Promise} Returns a Promise if no `callback` is given.
+ * @api public
+ */
+
+Connection.prototype.dropDatabase = _wrapConnHelper(function dropDatabase(cb) {
+  // If `dropDatabase()` is called, this model's collection will not be
+  // init-ed. It is sufficiently common to call `dropDatabase()` after
+  // `mongoose.connect()` but before creating models that we want to
+  // support this. See gh-6796
+  for (const model of Object.values(this.models)) {
+    delete model.$init;
+  }
+  this.db.dropDatabase(cb);
+});
+
+/*!
+ * ignore
+ */
+
+function _wrapConnHelper(fn) {
+  return function() {
+    const cb = arguments.length > 0 ? arguments[arguments.length - 1] : null;
+    const argsWithoutCb = typeof cb === 'function' ?
+      Array.prototype.slice.call(arguments, 0, arguments.length - 1) :
+      Array.prototype.slice.call(arguments);
+    const disconnectedError = new DisconnectedError(this.id, fn.name);
+
+    return promiseOrCallback(cb, cb => {
+      immediate(() => {
+        if ((this.readyState === STATES.connecting || this.readyState === STATES.disconnected) && this._shouldBufferCommands()) {
+          this._queue.push({ fn: fn, ctx: this, args: argsWithoutCb.concat([cb]) });
+        } else if (this.readyState === STATES.disconnected && this.db == null) {
+          cb(disconnectedError);
+        } else {
+          try {
+            fn.apply(this, argsWithoutCb.concat([cb]));
+          } catch (err) {
+            return cb(err);
+          }
+        }
+      });
+    });
+  };
+}
+
+/*!
+ * ignore
+ */
+
+Connection.prototype._shouldBufferCommands = function _shouldBufferCommands() {
+  if (this.config.bufferCommands != null) {
+    return this.config.bufferCommands;
+  }
+  if (this.base.get('bufferCommands') != null) {
+    return this.base.get('bufferCommands');
+  }
+  return true;
+};
+
+/**
+ * error
+ *
+ * Graceful error handling, passes error to callback
+ * if available, else emits error on the connection.
+ *
+ * @param {Error} err
+ * @param {Function} callback optional
+ * @emits "error" Emits the `error` event with the given `err`, unless a callback is specified
+ * @returns {Promise|null} Returns a rejected Promise if no `callback` is given.
+ * @api private
+ */
+
+Connection.prototype.error = function(err, callback) {
+  if (callback) {
+    callback(err);
+    return null;
+  }
+  if (this.listeners('error').length > 0) {
+    this.emit('error', err);
+  }
+  return Promise.reject(err);
+};
+
+/**
+ * Called when the connection is opened
+ *
+ * @api private
+ */
+
+Connection.prototype.onOpen = function() {
+  this.readyState = STATES.connected;
+
+  for (const d of this._queue) {
+    d.fn.apply(d.ctx, d.args);
+  }
+  this._queue = [];
+
+  // avoid having the collection subscribe to our event emitter
+  // to prevent 0.3 warning
+  for (const i in this.collections) {
+    if (utils.object.hasOwnProperty(this.collections, i)) {
+      this.collections[i].onOpen();
+    }
+  }
+
+  this.emit('open');
+};
+
+/**
+ * Opens the connection with a URI using `MongoClient.connect()`.
+ *
+ * @param {String} uri The URI to connect with.
+ * @param {Object} [options] Passed on to [`MongoClient.connect`](https://mongodb.github.io/node-mongodb-native/4.9/classes/MongoClient.html#connect-1)
+ * @param {Boolean} [options.bufferCommands=true] Mongoose specific option. Set to false to [disable buffering](https://mongoosejs.com/docs/faq.html#callback_never_executes) on all models associated with this connection.
+ * @param {Number} [options.bufferTimeoutMS=10000] Mongoose specific option. If `bufferCommands` is true, Mongoose will throw an error after `bufferTimeoutMS` if the operation is still buffered.
+ * @param {String} [options.dbName] The name of the database we want to use. If not provided, use database name from connection string.
+ * @param {String} [options.user] username for authentication, equivalent to `options.auth.user`. Maintained for backwards compatibility.
+ * @param {String} [options.pass] password for authentication, equivalent to `options.auth.password`. Maintained for backwards compatibility.
+ * @param {Number} [options.maxPoolSize=100] The maximum number of sockets the MongoDB driver will keep open for this connection. Keep in mind that MongoDB only allows one operation per socket at a time, so you may want to increase this if you find you have a few slow queries that are blocking faster queries from proceeding. See [Slow Trains in MongoDB and Node.js](https://thecodebarbarian.com/slow-trains-in-mongodb-and-nodejs).
+ * @param {Number} [options.minPoolSize=0] The minimum number of sockets the MongoDB driver will keep open for this connection. Keep in mind that MongoDB only allows one operation per socket at a time, so you may want to increase this if you find you have a few slow queries that are blocking faster queries from proceeding. See [Slow Trains in MongoDB and Node.js](https://thecodebarbarian.com/slow-trains-in-mongodb-and-nodejs).
+ * @param {Number} [options.serverSelectionTimeoutMS] If `useUnifiedTopology = true`, the MongoDB driver will try to find a server to send any given operation to, and keep retrying for `serverSelectionTimeoutMS` milliseconds before erroring out. If not set, the MongoDB driver defaults to using `30000` (30 seconds).
+ * @param {Number} [options.heartbeatFrequencyMS] If `useUnifiedTopology = true`, the MongoDB driver sends a heartbeat every `heartbeatFrequencyMS` to check on the status of the connection. A heartbeat is subject to `serverSelectionTimeoutMS`, so the MongoDB driver will retry failed heartbeats for up to 30 seconds by default. Mongoose only emits a `'disconnected'` event after a heartbeat has failed, so you may want to decrease this setting to reduce the time between when your server goes down and when Mongoose emits `'disconnected'`. We recommend you do **not** set this setting below 1000, too many heartbeats can lead to performance degradation.
+ * @param {Boolean} [options.autoIndex=true] Mongoose-specific option. Set to false to disable automatic index creation for all models associated with this connection.
+ * @param {Class} [options.promiseLibrary] Sets the [underlying driver's promise library](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/MongoClientOptions.html#promiseLibrary).
+ * @param {Number} [options.connectTimeoutMS=30000] How long the MongoDB driver will wait before killing a socket due to inactivity _during initial connection_. Defaults to 30000. This option is passed transparently to [Node.js' `socket#setTimeout()` function](https://nodejs.org/api/net.html#net_socket_settimeout_timeout_callback).
+ * @param {Number} [options.socketTimeoutMS=30000] How long the MongoDB driver will wait before killing a socket due to inactivity _after initial connection_. A socket may be inactive because of either no activity or a long-running operation. This is set to `30000` by default, you should set this to 2-3x your longest running operation if you expect some of your database operations to run longer than 20 seconds. This option is passed to [Node.js `socket#setTimeout()` function](https://nodejs.org/api/net.html#net_socket_settimeout_timeout_callback) after the MongoDB driver successfully completes.
+ * @param {Number} [options.family=0] Passed transparently to [Node.js' `dns.lookup()`](https://nodejs.org/api/dns.html#dns_dns_lookup_hostname_options_callback) function. May be either `0, `4`, or `6`. `4` means use IPv4 only, `6` means use IPv6 only, `0` means try both.
+ * @param {Boolean} [options.autoCreate=false] Set to `true` to make Mongoose automatically call `createCollection()` on every model created on this connection.
+ * @param {Function} [callback]
+ * @returns {Promise<Connection>} Returns a Promise if no `callback` is given.
+ * @api public
+ */
+
+Connection.prototype.openUri = function(uri, options, callback) {
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+
+  if (['string', 'number'].indexOf(typeof options) !== -1) {
+    throw new MongooseError('Mongoose 5.x no longer supports ' +
+      '`mongoose.connect(host, dbname, port)` or ' +
+      '`mongoose.createConnection(host, dbname, port)`. See ' +
+      'https://mongoosejs.com/docs/connections.html for supported connection syntax');
+  }
+
+  if (typeof uri !== 'string') {
+    throw new MongooseError('The `uri` parameter to `openUri()` must be a ' +
+      `string, got "${typeof uri}". Make sure the first parameter to ` +
+      '`mongoose.connect()` or `mongoose.createConnection()` is a string.');
+  }
+
+  if (callback != null && typeof callback !== 'function') {
+    throw new MongooseError('3rd parameter to `mongoose.connect()` or ' +
+      '`mongoose.createConnection()` must be a function, got "' +
+      typeof callback + '"');
+  }
+
+  if (this._destroyCalled) {
+    const error = 'Connection has been closed and destroyed, and cannot be used for re-opening the connection. ' +
+    'Please create a new connection with `mongoose.createConnection()` or `mongoose.connect()`.';
+    if (typeof callback === 'function') {
+      callback(error);
+      return;
+    }
+    else {
+      throw new MongooseError(error);
+    }
+  }
+
+  if (this.readyState === STATES.connecting || this.readyState === STATES.connected) {
+    if (this._connectionString !== uri) {
+      throw new MongooseError('Can\'t call `openUri()` on an active connection with ' +
+        'different connection strings. Make sure you aren\'t calling `mongoose.connect()` ' +
+        'multiple times. See: https://mongoosejs.com/docs/connections.html#multiple_connections');
+    }
+
+    if (typeof callback === 'function') {
+      this.$initialConnection = this.$initialConnection.then(
+        () => callback(null, this),
+        err => callback(err)
+      );
+    }
+    return this;
+  }
+
+  this._connectionString = uri;
+  this.readyState = STATES.connecting;
+  this._closeCalled = false;
+
+  const Promise = PromiseProvider.get();
+  const _this = this;
+
+  options = processConnectionOptions(uri, options);
+
+  if (options) {
+    options = utils.clone(options);
+
+    const autoIndex = options.config && options.config.autoIndex != null ?
+      options.config.autoIndex :
+      options.autoIndex;
+    if (autoIndex != null) {
+      this.config.autoIndex = autoIndex !== false;
+      delete options.config;
+      delete options.autoIndex;
+    }
+
+    if ('autoCreate' in options) {
+      this.config.autoCreate = !!options.autoCreate;
+      delete options.autoCreate;
+    }
+
+    if ('sanitizeFilter' in options) {
+      this.config.sanitizeFilter = options.sanitizeFilter;
+      delete options.sanitizeFilter;
+    }
+
+    // Backwards compat
+    if (options.user || options.pass) {
+      options.auth = options.auth || {};
+      options.auth.username = options.user;
+      options.auth.password = options.pass;
+
+      this.user = options.user;
+      this.pass = options.pass;
+    }
+    delete options.user;
+    delete options.pass;
+
+    if (options.bufferCommands != null) {
+      this.config.bufferCommands = options.bufferCommands;
+      delete options.bufferCommands;
+    }
+  } else {
+    options = {};
+  }
+
+  this._connectionOptions = options;
+  const dbName = options.dbName;
+  if (dbName != null) {
+    this.$dbName = dbName;
+  }
+  delete options.dbName;
+
+  if (!utils.hasUserDefinedProperty(options, 'driverInfo')) {
+    options.driverInfo = {
+      name: 'Mongoose',
+      version: pkg.version
+    };
+  }
+
+  const promise = new Promise((resolve, reject) => {
+    let client;
+    try {
+      client = new mongodb.MongoClient(uri, options);
+    } catch (error) {
+      _this.readyState = STATES.disconnected;
+      return reject(error);
+    }
+    _this.client = client;
+
+    client.setMaxListeners(0);
+    client.connect((error) => {
+      if (error) {
+        return reject(error);
+      }
+
+      _setClient(_this, client, options, dbName);
+
+      for (const db of this.otherDbs) {
+        _setClient(db, client, {}, db.name);
+      }
+
+      resolve(_this);
+    });
+  });
+
+  const serverSelectionError = new ServerSelectionError();
+  this.$initialConnection = promise.
+    then(() => this).
+    catch(err => {
+      this.readyState = STATES.disconnected;
+      if (err != null && err.name === 'MongoServerSelectionError') {
+        err = serverSelectionError.assimilateError(err);
+      }
+
+      if (this.listeners('error').length > 0) {
+        immediate(() => this.emit('error', err));
+      }
+      throw err;
+    });
+
+  if (callback != null) {
+    this.$initialConnection = this.$initialConnection.then(
+      () => { callback(null, this); return this; },
+      err => callback(err)
+    );
+  }
+
+  for (const model of Object.values(this.models)) {
+    // Errors handled internally, so safe to ignore error
+    model.init(function $modelInitNoop() {});
+  }
+
+  return this.$initialConnection;
+};
+
+/*!
+ * ignore
+ */
+
+function _setClient(conn, client, options, dbName) {
+  const db = dbName != null ? client.db(dbName) : client.db();
+  conn.db = db;
+  conn.client = client;
+  conn.host = client &&
+    client.s &&
+    client.s.options &&
+    client.s.options.hosts &&
+    client.s.options.hosts[0] &&
+    client.s.options.hosts[0].host || void 0;
+  conn.port = client &&
+    client.s &&
+    client.s.options &&
+    client.s.options.hosts &&
+    client.s.options.hosts[0] &&
+    client.s.options.hosts[0].port || void 0;
+  conn.name = dbName != null ? dbName : client && client.s && client.s.options && client.s.options.dbName || void 0;
+  conn._closeCalled = client._closeCalled;
+
+  const _handleReconnect = () => {
+    // If we aren't disconnected, we assume this reconnect is due to a
+    // socket timeout. If there's no activity on a socket for
+    // `socketTimeoutMS`, the driver will attempt to reconnect and emit
+    // this event.
+    if (conn.readyState !== STATES.connected) {
+      conn.readyState = STATES.connected;
+      conn.emit('reconnect');
+      conn.emit('reconnected');
+      conn.onOpen();
+    }
+  };
+
+  const type = client &&
+  client.topology &&
+  client.topology.description &&
+  client.topology.description.type || '';
+
+  if (type === 'Single') {
+    client.on('serverDescriptionChanged', ev => {
+      const newDescription = ev.newDescription;
+      if (newDescription.type === 'Unknown') {
+        conn.readyState = STATES.disconnected;
+      } else {
+        _handleReconnect();
+      }
+    });
+  } else if (type.startsWith('ReplicaSet')) {
+    client.on('topologyDescriptionChanged', ev => {
+      // Emit disconnected if we've lost connectivity to the primary
+      const description = ev.newDescription;
+      if (conn.readyState === STATES.connected && description.type !== 'ReplicaSetWithPrimary') {
+        // Implicitly emits 'disconnected'
+        conn.readyState = STATES.disconnected;
+      } else if (conn.readyState === STATES.disconnected && description.type === 'ReplicaSetWithPrimary') {
+        _handleReconnect();
+      }
+    });
+  }
+
+  conn.onOpen();
+
+  for (const i in conn.collections) {
+    if (utils.object.hasOwnProperty(conn.collections, i)) {
+      conn.collections[i].onOpen();
+    }
+  }
+}
+
+/**
+ * Destory the connection (not just a alias of [`.close`](#connection_Connection-close))
+ *
+ * @param {Boolean} [force]
+ * @param {Function} [callback]
+ * @returns {Promise} Returns a Promise if no `callback` is given.
+ */
+
+Connection.prototype.destroy = function(force, callback) {
+  if (typeof force === 'function') {
+    callback = force;
+    force = false;
+  }
+
+  if (force != null && typeof force === 'object') {
+    this.$wasForceClosed = !!force.force;
+  } else {
+    this.$wasForceClosed = !!force;
+  }
+
+  return promiseOrCallback(callback, cb => {
+    this._close(force, true, cb);
+  });
+};
+
+/**
+ * Closes the connection
+ *
+ * @param {Boolean} [force] optional
+ * @param {Function} [callback] optional
+ * @return {Promise} Returns a Promise if no `callback` is given.
+ * @api public
+ */
+
+Connection.prototype.close = function(force, callback) {
+  if (typeof force === 'function') {
+    callback = force;
+    force = false;
+  }
+
+  if (force != null && typeof force === 'object') {
+    this.$wasForceClosed = !!force.force;
+  } else {
+    this.$wasForceClosed = !!force;
+  }
+
+  for (const model of Object.values(this.models)) {
+    // If manually disconnecting, make sure to clear each model's `$init`
+    // promise, so Mongoose knows to re-run `init()` in case the
+    // connection is re-opened. See gh-12047.
+    delete model.$init;
+  }
+
+  return promiseOrCallback(callback, cb => {
+    this._close(force, false, cb);
+  });
+};
+
+/**
+ * Handles closing the connection
+ *
+ * @param {Boolean} force
+ * @param {Boolean} destroy
+ * @param {Function} [callback]
+ * @returns {Connection} this
+ * @api private
+ */
+Connection.prototype._close = function(force, destroy, callback) {
+  const _this = this;
+  const closeCalled = this._closeCalled;
+  this._closeCalled = true;
+  this._destroyCalled = destroy;
+  if (this.client != null) {
+    this.client._closeCalled = true;
+    this.client._destroyCalled = destroy;
+  }
+
+  const conn = this;
+  switch (this.readyState) {
+    case STATES.disconnected:
+      if (destroy && this.base.connections.indexOf(conn) !== -1) {
+        this.base.connections.splice(this.base.connections.indexOf(conn), 1);
+      }
+      if (closeCalled) {
+        callback();
+      } else {
+        this.doClose(force, function(err) {
+          if (err) {
+            return callback(err);
+          }
+          _this.onClose(force);
+          callback(null);
+        });
+      }
+      break;
+
+    case STATES.connected:
+      this.readyState = STATES.disconnecting;
+      this.doClose(force, function(err) {
+        if (err) {
+          return callback(err);
+        }
+        if (destroy && _this.base.connections.indexOf(conn) !== -1) {
+          _this.base.connections.splice(_this.base.connections.indexOf(conn), 1);
+        }
+        _this.onClose(force);
+        callback(null);
+      });
+
+      break;
+    case STATES.connecting:
+      this.once('open', function() {
+        destroy ? _this.destroy(force, callback) : _this.close(force, callback);
+      });
+      break;
+
+    case STATES.disconnecting:
+      this.once('close', function() {
+        if (destroy && _this.base.connections.indexOf(conn) !== -1) {
+          _this.base.connections.splice(_this.base.connections.indexOf(conn), 1);
+        }
+        callback();
+      });
+      break;
+  }
+
+  return this;
+};
+
+/**
+ * Called when the connection closes
+ *
+ * @api private
+ */
+
+Connection.prototype.onClose = function(force) {
+  this.readyState = STATES.disconnected;
+
+  // avoid having the collection subscribe to our event emitter
+  // to prevent 0.3 warning
+  for (const i in this.collections) {
+    if (utils.object.hasOwnProperty(this.collections, i)) {
+      this.collections[i].onClose(force);
+    }
+  }
+
+  this.emit('close', force);
+
+  for (const db of this.otherDbs) {
+    this._destroyCalled ? db.destroy({ force: force, skipCloseClient: true }) : db.close({ force: force, skipCloseClient: true });
+  }
+};
+
+/**
+ * Retrieves a collection, creating it if not cached.
+ *
+ * Not typically needed by applications. Just talk to your collection through your model.
+ *
+ * @param {String} name of the collection
+ * @param {Object} [options] optional collection options
+ * @return {Collection} collection instance
+ * @api public
+ */
+
+Connection.prototype.collection = function(name, options) {
+  const defaultOptions = {
+    autoIndex: this.config.autoIndex != null ? this.config.autoIndex : this.base.options.autoIndex,
+    autoCreate: this.config.autoCreate != null ? this.config.autoCreate : this.base.options.autoCreate
+  };
+  options = Object.assign({}, defaultOptions, options ? utils.clone(options) : {});
+  options.$wasForceClosed = this.$wasForceClosed;
+  const Collection = this.base && this.base.__driver && this.base.__driver.Collection || driver.get().Collection;
+  if (!(name in this.collections)) {
+    this.collections[name] = new Collection(name, this, options);
+  }
+  return this.collections[name];
+};
+
+/**
+ * Declares a plugin executed on all schemas you pass to `conn.model()`
+ *
+ * Equivalent to calling `.plugin(fn)` on each schema you create.
+ *
+ * #### Example:
+ *
+ *     const db = mongoose.createConnection('mongodb://localhost:27017/mydb');
+ *     db.plugin(() => console.log('Applied'));
+ *     db.plugins.length; // 1
+ *
+ *     db.model('Test', new Schema({})); // Prints "Applied"
+ *
+ * @param {Function} fn plugin callback
+ * @param {Object} [opts] optional options
+ * @return {Connection} this
+ * @see plugins /docs/plugins
+ * @api public
+ */
+
+Connection.prototype.plugin = function(fn, opts) {
+  this.plugins.push([fn, opts]);
+  return this;
+};
+
+/**
+ * Defines or retrieves a model.
+ *
+ *     const mongoose = require('mongoose');
+ *     const db = mongoose.createConnection(..);
+ *     db.model('Venue', new Schema(..));
+ *     const Ticket = db.model('Ticket', new Schema(..));
+ *     const Venue = db.model('Venue');
+ *
+ * _When no `collection` argument is passed, Mongoose produces a collection name by passing the model `name` to the [utils.toCollectionName](#utils_exports-toCollectionName) method. This method pluralizes the name. If you don't like this behavior, either pass a collection name or set your schemas collection name option._
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ name: String }, { collection: 'actor' });
+ *
+ *     // or
+ *
+ *     schema.set('collection', 'actor');
+ *
+ *     // or
+ *
+ *     const collectionName = 'actor'
+ *     const M = conn.model('Actor', schema, collectionName)
+ *
+ * @param {String|Function} name the model name or class extending Model
+ * @param {Schema} [schema] a schema. necessary when defining a model
+ * @param {String} [collection] name of mongodb collection (optional) if not given it will be induced from model name
+ * @param {Object} [options]
+ * @param {Boolean} [options.overwriteModels=false] If true, overwrite existing models with the same name to avoid `OverwriteModelError`
+ * @see Mongoose#model #index_Mongoose-model
+ * @return {Model} The compiled model
+ * @api public
+ */
+
+Connection.prototype.model = function(name, schema, collection, options) {
+  if (!(this instanceof Connection)) {
+    throw new MongooseError('`connection.model()` should not be run with ' +
+      '`new`. If you are doing `new db.model(foo)(bar)`, use ' +
+      '`db.model(foo)(bar)` instead');
+  }
+
+  let fn;
+  if (typeof name === 'function') {
+    fn = name;
+    name = fn.name;
+  }
+
+  // collection name discovery
+  if (typeof schema === 'string') {
+    collection = schema;
+    schema = false;
+  }
+
+  if (utils.isObject(schema)) {
+    if (!schema.instanceOfSchema) {
+      schema = new Schema(schema);
+    } else if (!(schema instanceof this.base.Schema)) {
+      schema = schema._clone(this.base.Schema);
+    }
+  }
+  if (schema && !schema.instanceOfSchema) {
+    throw new Error('The 2nd parameter to `mongoose.model()` should be a ' +
+      'schema or a POJO');
+  }
+
+  const defaultOptions = { cache: false, overwriteModels: this.base.options.overwriteModels };
+  const opts = Object.assign(defaultOptions, options, { connection: this });
+  if (this.models[name] && !collection && opts.overwriteModels !== true) {
+    // model exists but we are not subclassing with custom collection
+    if (schema && schema.instanceOfSchema && schema !== this.models[name].schema) {
+      throw new MongooseError.OverwriteModelError(name);
+    }
+    return this.models[name];
+  }
+
+  let model;
+
+  if (schema && schema.instanceOfSchema) {
+    applyPlugins(schema, this.plugins, null, '$connectionPluginsApplied');
+
+    // compile a model
+    model = this.base._model(fn || name, schema, collection, opts);
+
+    // only the first model with this name is cached to allow
+    // for one-offs with custom collection names etc.
+    if (!this.models[name]) {
+      this.models[name] = model;
+    }
+
+    // Errors handled internally, so safe to ignore error
+    model.init(function $modelInitNoop() {});
+
+    return model;
+  }
+
+  if (this.models[name] && collection) {
+    // subclassing current model with alternate collection
+    model = this.models[name];
+    schema = model.prototype.schema;
+    const sub = model.__subclass(this, schema, collection);
+    // do not cache the sub model
+    return sub;
+  }
+
+  if (arguments.length === 1) {
+    model = this.models[name];
+    if (!model) {
+      throw new MongooseError.MissingSchemaError(name);
+    }
+    return model;
+  }
+
+  if (!model) {
+    throw new MongooseError.MissingSchemaError(name);
+  }
+
+  if (this === model.prototype.db
+      && (!collection || collection === model.collection.name)) {
+    // model already uses this connection.
+
+    // only the first model with this name is cached to allow
+    // for one-offs with custom collection names etc.
+    if (!this.models[name]) {
+      this.models[name] = model;
+    }
+
+    return model;
+  }
+  this.models[name] = model.__subclass(this, schema, collection);
+  return this.models[name];
+};
+
+/**
+ * Removes the model named `name` from this connection, if it exists. You can
+ * use this function to clean up any models you created in your tests to
+ * prevent OverwriteModelErrors.
+ *
+ * #### Example:
+ *
+ *     conn.model('User', new Schema({ name: String }));
+ *     console.log(conn.model('User')); // Model object
+ *     conn.deleteModel('User');
+ *     console.log(conn.model('User')); // undefined
+ *
+ *     // Usually useful in a Mocha `afterEach()` hook
+ *     afterEach(function() {
+ *       conn.deleteModel(/.+/); // Delete every model
+ *     });
+ *
+ * @api public
+ * @param {String|RegExp} name if string, the name of the model to remove. If regexp, removes all models whose name matches the regexp.
+ * @return {Connection} this
+ */
+
+Connection.prototype.deleteModel = function(name) {
+  if (typeof name === 'string') {
+    const model = this.model(name);
+    if (model == null) {
+      return this;
+    }
+    const collectionName = model.collection.name;
+    delete this.models[name];
+    delete this.collections[collectionName];
+
+    this.emit('deleteModel', model);
+  } else if (name instanceof RegExp) {
+    const pattern = name;
+    const names = this.modelNames();
+    for (const name of names) {
+      if (pattern.test(name)) {
+        this.deleteModel(name);
+      }
+    }
+  } else {
+    throw new Error('First parameter to `deleteModel()` must be a string ' +
+      'or regexp, got "' + name + '"');
+  }
+
+  return this;
+};
+
+/**
+ * Watches the entire underlying database for changes. Similar to
+ * [`Model.watch()`](/docs/api/model.html#model_Model-watch).
+ *
+ * This function does **not** trigger any middleware. In particular, it
+ * does **not** trigger aggregate middleware.
+ *
+ * The ChangeStream object is an event emitter that emits the following events:
+ *
+ * - 'change': A change occurred, see below example
+ * - 'error': An unrecoverable error occurred. In particular, change streams currently error out if they lose connection to the replica set primary. Follow [this GitHub issue](https://github.com/Automattic/mongoose/issues/6799) for updates.
+ * - 'end': Emitted if the underlying stream is closed
+ * - 'close': Emitted if the underlying stream is closed
+ *
+ * #### Example:
+ *
+ *     const User = conn.model('User', new Schema({ name: String }));
+ *
+ *     const changeStream = conn.watch().on('change', data => console.log(data));
+ *
+ *     // Triggers a 'change' event on the change stream.
+ *     await User.create({ name: 'test' });
+ *
+ * @api public
+ * @param {Array} [pipeline]
+ * @param {Object} [options] passed without changes to [the MongoDB driver's `Db#watch()` function](https://mongodb.github.io/node-mongodb-native/4.9/classes/Db.html#watch)
+ * @return {ChangeStream} mongoose-specific change stream wrapper, inherits from EventEmitter
+ */
+
+Connection.prototype.watch = function(pipeline, options) {
+  const disconnectedError = new DisconnectedError(this.id, 'watch');
+
+  const changeStreamThunk = cb => {
+    immediate(() => {
+      if (this.readyState === STATES.connecting) {
+        this.once('open', function() {
+          const driverChangeStream = this.db.watch(pipeline, options);
+          cb(null, driverChangeStream);
+        });
+      } else if (this.readyState === STATES.disconnected && this.db == null) {
+        cb(disconnectedError);
+      } else {
+        const driverChangeStream = this.db.watch(pipeline, options);
+        cb(null, driverChangeStream);
+      }
+    });
+  };
+
+  const changeStream = new ChangeStream(changeStreamThunk, pipeline, options);
+  return changeStream;
+};
+
+/**
+ * Returns a promise that resolves when this connection
+ * successfully connects to MongoDB, or rejects if this connection failed
+ * to connect.
+ *
+ * #### Example:
+ *
+ *     const conn = await mongoose.createConnection('mongodb://localhost:27017/test').
+ *       asPromise();
+ *     conn.readyState; // 1, means Mongoose is connected
+ *
+ * @api public
+ * @return {Promise}
+ */
+
+Connection.prototype.asPromise = function asPromise() {
+  return this.$initialConnection;
+};
+
+/**
+ * Returns an array of model names created on this connection.
+ * @api public
+ * @return {String[]}
+ */
+
+Connection.prototype.modelNames = function() {
+  return Object.keys(this.models);
+};
+
+/**
+ * Returns if the connection requires authentication after it is opened. Generally if a
+ * username and password are both provided than authentication is needed, but in some cases a
+ * password is not required.
+ *
+ * @api private
+ * @return {Boolean} true if the connection should be authenticated after it is opened, otherwise false.
+ */
+Connection.prototype.shouldAuthenticate = function() {
+  return this.user != null &&
+    (this.pass != null || this.authMechanismDoesNotRequirePassword());
+};
+
+/**
+ * Returns a boolean value that specifies if the current authentication mechanism needs a
+ * password to authenticate according to the auth objects passed into the openUri methods.
+ *
+ * @api private
+ * @return {Boolean} true if the authentication mechanism specified in the options object requires
+ *  a password, otherwise false.
+ */
+Connection.prototype.authMechanismDoesNotRequirePassword = function() {
+  if (this.options && this.options.auth) {
+    return noPasswordAuthMechanisms.indexOf(this.options.auth.authMechanism) >= 0;
+  }
+  return true;
+};
+
+/**
+ * Returns a boolean value that specifies if the provided objects object provides enough
+ * data to authenticate with. Generally this is true if the username and password are both specified
+ * but in some authentication methods, a password is not required for authentication so only a username
+ * is required.
+ *
+ * @param {Object} [options] the options object passed into the openUri methods.
+ * @api private
+ * @return {Boolean} true if the provided options object provides enough data to authenticate with,
+ *   otherwise false.
+ */
+Connection.prototype.optionsProvideAuthenticationData = function(options) {
+  return (options) &&
+      (options.user) &&
+      ((options.pass) || this.authMechanismDoesNotRequirePassword());
+};
+
+/**
+ * Returns the [MongoDB driver `MongoClient`](https://mongodb.github.io/node-mongodb-native/4.9/classes/MongoClient.html) instance
+ * that this connection uses to talk to MongoDB.
+ *
+ * #### Example:
+ *
+ *     const conn = await mongoose.createConnection('mongodb://localhost:27017/test').
+ *       asPromise();
+ *
+ *     conn.getClient(); // MongoClient { ... }
+ *
+ * @api public
+ * @return {MongoClient}
+ */
+
+Connection.prototype.getClient = function getClient() {
+  return this.client;
+};
+
+/**
+ * Set the [MongoDB driver `MongoClient`](https://mongodb.github.io/node-mongodb-native/4.9/classes/MongoClient.html) instance
+ * that this connection uses to talk to MongoDB. This is useful if you already have a MongoClient instance, and want to
+ * reuse it.
+ *
+ * #### Example:
+ *
+ *     const client = await mongodb.MongoClient.connect('mongodb://localhost:27017/test');
+ *
+ *     const conn = mongoose.createConnection().setClient(client);
+ *
+ *     conn.getClient(); // MongoClient { ... }
+ *     conn.readyState; // 1, means 'CONNECTED'
+ *
+ * @api public
+ * @param {MongClient} client The Client to set to be used.
+ * @return {Connection} this
+ */
+
+Connection.prototype.setClient = function setClient(client) {
+  if (!(client instanceof mongodb.MongoClient)) {
+    throw new MongooseError('Must call `setClient()` with an instance of MongoClient');
+  }
+  if (this.readyState !== STATES.disconnected) {
+    throw new MongooseError('Cannot call `setClient()` on a connection that is already connected.');
+  }
+  if (client.topology == null) {
+    throw new MongooseError('Cannot call `setClient()` with a MongoClient that you have not called `connect()` on yet.');
+  }
+
+  this._connectionString = client.s.url;
+  _setClient(this, client, {}, client.s.options.dbName);
+
+  for (const model of Object.values(this.models)) {
+    // Errors handled internally, so safe to ignore error
+    model.init(function $modelInitNoop() {});
+  }
+
+  return this;
+};
+
+/**
+ * Syncs all the indexes for the models registered with this connection.
+ *
+ * @param {Object} [options]
+ * @param {Boolean} [options.continueOnError] `false` by default. If set to `true`, mongoose will not throw an error if one model syncing failed, and will return an object where the keys are the names of the models, and the values are the results/errors for each model.
+ * @return {Promise<Object>} Returns a Promise, when the Promise resolves the value is a list of the dropped indexes.
+ */
+Connection.prototype.syncIndexes = async function syncIndexes(options = {}) {
+  const result = {};
+  const errorsMap = { };
+
+  const { continueOnError } = options;
+  delete options.continueOnError;
+
+  for (const model of Object.values(this.models)) {
+    try {
+      result[model.modelName] = await model.syncIndexes(options);
+    } catch (err) {
+      if (!continueOnError) {
+        errorsMap[model.modelName] = err;
+        break;
+      } else {
+        result[model.modelName] = err;
+      }
+    }
+  }
+
+  if (!continueOnError && Object.keys(errorsMap).length) {
+    const message = Object.entries(errorsMap).map(([modelName, err]) => `${modelName}: ${err.message}`).join(', ');
+    const syncIndexesError = new SyncIndexesError(message, errorsMap);
+    throw syncIndexesError;
+  }
+
+  return result;
+};
+
+/**
+ * Switches to a different database using the same connection pool.
+ *
+ * Returns a new connection object, with the new db.
+ *
+ * @method useDb
+ * @memberOf Connection
+ * @param {String} name The database name
+ * @param {Object} [options]
+ * @param {Boolean} [options.useCache=false] If true, cache results so calling `useDb()` multiple times with the same name only creates 1 connection object.
+ * @param {Boolean} [options.noListener=false] If true, the connection object will not make the db listen to events on the original connection. See [issue #9961](https://github.com/Automattic/mongoose/issues/9961).
+ * @return {Connection} New Connection Object
+ * @api public
+ */
+
+/*!
+ * Module exports.
+ */
+
+Connection.STATES = STATES;
+module.exports = Connection;
diff --git a/node_modules/mongoose/lib/connectionstate.js b/node_modules/mongoose/lib/connectionstate.js
new file mode 100644
index 000000000..920f45bee
--- /dev/null
+++ b/node_modules/mongoose/lib/connectionstate.js
@@ -0,0 +1,26 @@
+
+/*!
+ * Connection states
+ */
+
+'use strict';
+
+const STATES = module.exports = exports = Object.create(null);
+
+const disconnected = 'disconnected';
+const connected = 'connected';
+const connecting = 'connecting';
+const disconnecting = 'disconnecting';
+const uninitialized = 'uninitialized';
+
+STATES[0] = disconnected;
+STATES[1] = connected;
+STATES[2] = connecting;
+STATES[3] = disconnecting;
+STATES[99] = uninitialized;
+
+STATES[disconnected] = 0;
+STATES[connected] = 1;
+STATES[connecting] = 2;
+STATES[disconnecting] = 3;
+STATES[uninitialized] = 99;
diff --git a/node_modules/mongoose/lib/cursor/AggregationCursor.js b/node_modules/mongoose/lib/cursor/AggregationCursor.js
new file mode 100644
index 000000000..7904d8a22
--- /dev/null
+++ b/node_modules/mongoose/lib/cursor/AggregationCursor.js
@@ -0,0 +1,380 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseError = require('../error/mongooseError');
+const Readable = require('stream').Readable;
+const promiseOrCallback = require('../helpers/promiseOrCallback');
+const eachAsync = require('../helpers/cursor/eachAsync');
+const immediate = require('../helpers/immediate');
+const util = require('util');
+
+/**
+ * An AggregationCursor is a concurrency primitive for processing aggregation
+ * results one document at a time. It is analogous to QueryCursor.
+ *
+ * An AggregationCursor fulfills the Node.js streams3 API,
+ * in addition to several other mechanisms for loading documents from MongoDB
+ * one at a time.
+ *
+ * Creating an AggregationCursor executes the model's pre aggregate hooks,
+ * but **not** the model's post aggregate hooks.
+ *
+ * Unless you're an advanced user, do **not** instantiate this class directly.
+ * Use [`Aggregate#cursor()`](/docs/api.html#aggregate_Aggregate-cursor) instead.
+ *
+ * @param {Aggregate} agg
+ * @inherits Readable
+ * @event `cursor`: Emitted when the cursor is created
+ * @event `error`: Emitted when an error occurred
+ * @event `data`: Emitted when the stream is flowing and the next doc is ready
+ * @event `end`: Emitted when the stream is exhausted
+ * @api public
+ */
+
+function AggregationCursor(agg) {
+  // set autoDestroy=true because on node 12 it's by default false
+  // gh-10902 need autoDestroy to destroy correctly and emit 'close' event
+  Readable.call(this, { autoDestroy: true, objectMode: true });
+
+  this.cursor = null;
+  this.agg = agg;
+  this._transforms = [];
+  const model = agg._model;
+  delete agg.options.cursor.useMongooseAggCursor;
+  this._mongooseOptions = {};
+
+  _init(model, this, agg);
+}
+
+util.inherits(AggregationCursor, Readable);
+
+/*!
+ * ignore
+ */
+
+function _init(model, c, agg) {
+  if (!model.collection.buffer) {
+    model.hooks.execPre('aggregate', agg, function() {
+      c.cursor = model.collection.aggregate(agg._pipeline, agg.options || {});
+      c.emit('cursor', c.cursor);
+    });
+  } else {
+    model.collection.emitter.once('queue', function() {
+      model.hooks.execPre('aggregate', agg, function() {
+        c.cursor = model.collection.aggregate(agg._pipeline, agg.options || {});
+        c.emit('cursor', c.cursor);
+      });
+    });
+  }
+}
+
+/**
+ * Necessary to satisfy the Readable API
+ * @method _read
+ * @memberOf AggregationCursor
+ * @instance
+ * @api private
+ */
+
+AggregationCursor.prototype._read = function() {
+  const _this = this;
+  _next(this, function(error, doc) {
+    if (error) {
+      return _this.emit('error', error);
+    }
+    if (!doc) {
+      _this.push(null);
+      _this.cursor.close(function(error) {
+        if (error) {
+          return _this.emit('error', error);
+        }
+      });
+      return;
+    }
+    _this.push(doc);
+  });
+};
+
+if (Symbol.asyncIterator != null) {
+  const msg = 'Mongoose does not support using async iterators with an ' +
+    'existing aggregation cursor. See https://bit.ly/mongoose-async-iterate-aggregation';
+
+  AggregationCursor.prototype[Symbol.asyncIterator] = function() {
+    throw new MongooseError(msg);
+  };
+}
+
+/**
+ * Registers a transform function which subsequently maps documents retrieved
+ * via the streams interface or `.next()`
+ *
+ * #### Example:
+ *
+ *     // Map documents returned by `data` events
+ *     Thing.
+ *       find({ name: /^hello/ }).
+ *       cursor().
+ *       map(function (doc) {
+ *        doc.foo = "bar";
+ *        return doc;
+ *       })
+ *       on('data', function(doc) { console.log(doc.foo); });
+ *
+ *     // Or map documents returned by `.next()`
+ *     const cursor = Thing.find({ name: /^hello/ }).
+ *       cursor().
+ *       map(function (doc) {
+ *         doc.foo = "bar";
+ *         return doc;
+ *       });
+ *     cursor.next(function(error, doc) {
+ *       console.log(doc.foo);
+ *     });
+ *
+ * @param {Function} fn
+ * @return {AggregationCursor}
+ * @memberOf AggregationCursor
+ * @api public
+ * @method map
+ */
+
+Object.defineProperty(AggregationCursor.prototype, 'map', {
+  value: function(fn) {
+    this._transforms.push(fn);
+    return this;
+  },
+  enumerable: true,
+  configurable: true,
+  writable: true
+});
+
+/**
+ * Marks this cursor as errored
+ * @method _markError
+ * @instance
+ * @memberOf AggregationCursor
+ * @api private
+ */
+
+AggregationCursor.prototype._markError = function(error) {
+  this._error = error;
+  return this;
+};
+
+/**
+ * Marks this cursor as closed. Will stop streaming and subsequent calls to
+ * `next()` will error.
+ *
+ * @param {Function} callback
+ * @return {Promise}
+ * @api public
+ * @method close
+ * @emits close
+ * @see AggregationCursor.close https://mongodb.github.io/node-mongodb-native/4.9/classes/AggregationCursor.html#close
+ */
+
+AggregationCursor.prototype.close = function(callback) {
+  return promiseOrCallback(callback, cb => {
+    this.cursor.close(error => {
+      if (error) {
+        cb(error);
+        return this.listeners('error').length > 0 && this.emit('error', error);
+      }
+      this.emit('close');
+      cb(null);
+    });
+  });
+};
+
+/**
+ * Get the next document from this cursor. Will return `null` when there are
+ * no documents left.
+ *
+ * @param {Function} callback
+ * @return {Promise}
+ * @api public
+ * @method next
+ */
+
+AggregationCursor.prototype.next = function(callback) {
+  return promiseOrCallback(callback, cb => {
+    _next(this, cb);
+  });
+};
+
+/**
+ * Execute `fn` for every document in the cursor. If `fn` returns a promise,
+ * will wait for the promise to resolve before iterating on to the next one.
+ * Returns a promise that resolves when done.
+ *
+ * @param {Function} fn
+ * @param {Object} [options]
+ * @param {Number} [options.parallel] the number of promises to execute in parallel. Defaults to 1.
+ * @param {Function} [callback] executed when all docs have been processed
+ * @return {Promise}
+ * @api public
+ * @method eachAsync
+ */
+
+AggregationCursor.prototype.eachAsync = function(fn, opts, callback) {
+  const _this = this;
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  opts = opts || {};
+
+  return eachAsync(function(cb) { return _next(_this, cb); }, fn, opts, callback);
+};
+
+/**
+ * Returns an asyncIterator for use with [`for/await/of` loops](https://thecodebarbarian.com/getting-started-with-async-iterators-in-node-js)
+ * You do not need to call this function explicitly, the JavaScript runtime
+ * will call it for you.
+ *
+ * #### Example:
+ *
+ *     // Async iterator without explicitly calling `cursor()`. Mongoose still
+ *     // creates an AggregationCursor instance internally.
+ *     const agg = Model.aggregate([{ $match: { age: { $gte: 25 } } }]);
+ *     for await (const doc of agg) {
+ *       console.log(doc.name);
+ *     }
+ *
+ *     // You can also use an AggregationCursor instance for async iteration
+ *     const cursor = Model.aggregate([{ $match: { age: { $gte: 25 } } }]).cursor();
+ *     for await (const doc of cursor) {
+ *       console.log(doc.name);
+ *     }
+ *
+ * Node.js 10.x supports async iterators natively without any flags. You can
+ * enable async iterators in Node.js 8.x using the [`--harmony_async_iteration` flag](https://github.com/tc39/proposal-async-iteration/issues/117#issuecomment-346695187).
+ *
+ * **Note:** This function is not set if `Symbol.asyncIterator` is undefined. If
+ * `Symbol.asyncIterator` is undefined, that means your Node.js version does not
+ * support async iterators.
+ *
+ * @method Symbol.asyncIterator
+ * @memberOf AggregationCursor
+ * @instance
+ * @api public
+ */
+
+if (Symbol.asyncIterator != null) {
+  AggregationCursor.prototype[Symbol.asyncIterator] = function() {
+    return this.transformNull()._transformForAsyncIterator();
+  };
+}
+
+/*!
+ * ignore
+ */
+
+AggregationCursor.prototype._transformForAsyncIterator = function() {
+  if (this._transforms.indexOf(_transformForAsyncIterator) === -1) {
+    this.map(_transformForAsyncIterator);
+  }
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+AggregationCursor.prototype.transformNull = function(val) {
+  if (arguments.length === 0) {
+    val = true;
+  }
+  this._mongooseOptions.transformNull = val;
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+function _transformForAsyncIterator(doc) {
+  return doc == null ? { done: true } : { value: doc, done: false };
+}
+
+/**
+ * Adds a [cursor flag](https://mongodb.github.io/node-mongodb-native/4.9/classes/AggregationCursor.html#addCursorFlag).
+ * Useful for setting the `noCursorTimeout` and `tailable` flags.
+ *
+ * @param {String} flag
+ * @param {Boolean} value
+ * @return {AggregationCursor} this
+ * @api public
+ * @method addCursorFlag
+ */
+
+AggregationCursor.prototype.addCursorFlag = function(flag, value) {
+  const _this = this;
+  _waitForCursor(this, function() {
+    _this.cursor.addCursorFlag(flag, value);
+  });
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+function _waitForCursor(ctx, cb) {
+  if (ctx.cursor) {
+    return cb();
+  }
+  ctx.once('cursor', function() {
+    cb();
+  });
+}
+
+/**
+ * Get the next doc from the underlying cursor and mongooseify it
+ * (populate, etc.)
+ * @param {Any} ctx
+ * @param {Function} cb
+ * @api private
+ */
+
+function _next(ctx, cb) {
+  let callback = cb;
+  if (ctx._transforms.length) {
+    callback = function(err, doc) {
+      if (err || (doc === null && !ctx._mongooseOptions.transformNull)) {
+        return cb(err, doc);
+      }
+      cb(err, ctx._transforms.reduce(function(doc, fn) {
+        return fn(doc);
+      }, doc));
+    };
+  }
+
+  if (ctx._error) {
+    return immediate(function() {
+      callback(ctx._error);
+    });
+  }
+
+  if (ctx.cursor) {
+    return ctx.cursor.next(function(error, doc) {
+      if (error) {
+        return callback(error);
+      }
+      if (!doc) {
+        return callback(null, null);
+      }
+
+      callback(null, doc);
+    });
+  } else {
+    ctx.once('cursor', function() {
+      _next(ctx, cb);
+    });
+  }
+}
+
+module.exports = AggregationCursor;
diff --git a/node_modules/mongoose/lib/cursor/ChangeStream.js b/node_modules/mongoose/lib/cursor/ChangeStream.js
new file mode 100644
index 000000000..0158066c1
--- /dev/null
+++ b/node_modules/mongoose/lib/cursor/ChangeStream.js
@@ -0,0 +1,139 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const EventEmitter = require('events').EventEmitter;
+
+/*!
+ * ignore
+ */
+
+class ChangeStream extends EventEmitter {
+  constructor(changeStreamThunk, pipeline, options) {
+    super();
+
+    this.driverChangeStream = null;
+    this.closed = false;
+    this.bindedEvents = false;
+    this.pipeline = pipeline;
+    this.options = options;
+
+    if (options && options.hydrate && !options.model) {
+      throw new Error(
+        'Cannot create change stream with `hydrate: true` ' +
+        'unless calling `Model.watch()`'
+      );
+    }
+
+    // This wrapper is necessary because of buffering.
+    changeStreamThunk((err, driverChangeStream) => {
+      if (err != null) {
+        this.emit('error', err);
+        return;
+      }
+
+      this.driverChangeStream = driverChangeStream;
+      this.emit('ready');
+    });
+  }
+
+  _bindEvents() {
+    if (this.bindedEvents) {
+      return;
+    }
+
+    this.bindedEvents = true;
+
+    if (this.driverChangeStream == null) {
+      this.once('ready', () => {
+        this.driverChangeStream.on('close', () => {
+          this.closed = true;
+        });
+
+        ['close', 'change', 'end', 'error'].forEach(ev => {
+          this.driverChangeStream.on(ev, data => {
+            if (data != null && data.fullDocument != null && this.options && this.options.hydrate) {
+              data.fullDocument = this.options.model.hydrate(data.fullDocument);
+            }
+            this.emit(ev, data);
+          });
+        });
+      });
+
+      return;
+    }
+
+    this.driverChangeStream.on('close', () => {
+      this.closed = true;
+    });
+
+    ['close', 'change', 'end', 'error'].forEach(ev => {
+      this.driverChangeStream.on(ev, data => {
+        this.emit(ev, data);
+      });
+    });
+  }
+
+  hasNext(cb) {
+    return this.driverChangeStream.hasNext(cb);
+  }
+
+  next(cb) {
+    if (this.options && this.options.hydrate) {
+      if (cb != null) {
+        const originalCb = cb;
+        cb = (err, data) => {
+          if (err != null) {
+            return originalCb(err);
+          }
+          if (data.fullDocument != null) {
+            data.fullDocument = this.options.model.hydrate(data.fullDocument);
+          }
+          return originalCb(null, data);
+        };
+      }
+
+      let maybePromise = this.driverChangeStream.next(cb);
+      if (maybePromise && typeof maybePromise.then === 'function') {
+        maybePromise = maybePromise.then(data => {
+          if (data.fullDocument != null) {
+            data.fullDocument = this.options.model.hydrate(data.fullDocument);
+          }
+          return data;
+        });
+      }
+      return maybePromise;
+    }
+
+    return this.driverChangeStream.next(cb);
+  }
+
+  on(event, handler) {
+    this._bindEvents();
+    return super.on(event, handler);
+  }
+
+  once(event, handler) {
+    this._bindEvents();
+    return super.once(event, handler);
+  }
+
+  _queue(cb) {
+    this.once('ready', () => cb());
+  }
+
+  close() {
+    this.closed = true;
+    if (this.driverChangeStream) {
+      this.driverChangeStream.close();
+    }
+  }
+}
+
+/*!
+ * ignore
+ */
+
+module.exports = ChangeStream;
diff --git a/node_modules/mongoose/lib/cursor/QueryCursor.js b/node_modules/mongoose/lib/cursor/QueryCursor.js
new file mode 100644
index 000000000..3a2e68389
--- /dev/null
+++ b/node_modules/mongoose/lib/cursor/QueryCursor.js
@@ -0,0 +1,519 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const Readable = require('stream').Readable;
+const promiseOrCallback = require('../helpers/promiseOrCallback');
+const eachAsync = require('../helpers/cursor/eachAsync');
+const helpers = require('../queryhelpers');
+const immediate = require('../helpers/immediate');
+const util = require('util');
+
+/**
+ * A QueryCursor is a concurrency primitive for processing query results
+ * one document at a time. A QueryCursor fulfills the Node.js streams3 API,
+ * in addition to several other mechanisms for loading documents from MongoDB
+ * one at a time.
+ *
+ * QueryCursors execute the model's pre `find` hooks before loading any documents
+ * from MongoDB, and the model's post `find` hooks after loading each document.
+ *
+ * Unless you're an advanced user, do **not** instantiate this class directly.
+ * Use [`Query#cursor()`](/docs/api.html#query_Query-cursor) instead.
+ *
+ * @param {Query} query
+ * @param {Object} options query options passed to `.find()`
+ * @inherits Readable
+ * @event `cursor`: Emitted when the cursor is created
+ * @event `error`: Emitted when an error occurred
+ * @event `data`: Emitted when the stream is flowing and the next doc is ready
+ * @event `end`: Emitted when the stream is exhausted
+ * @api public
+ */
+
+function QueryCursor(query, options) {
+  // set autoDestroy=true because on node 12 it's by default false
+  // gh-10902 need autoDestroy to destroy correctly and emit 'close' event
+  Readable.call(this, { autoDestroy: true, objectMode: true });
+
+  this.cursor = null;
+  this.query = query;
+  const _this = this;
+  const model = query.model;
+  this._mongooseOptions = {};
+  this._transforms = [];
+  this.model = model;
+  this.options = options || {};
+
+  model.hooks.execPre('find', query, (err) => {
+    if (err != null) {
+      _this._markError(err);
+      _this.listeners('error').length > 0 && _this.emit('error', err);
+      return;
+    }
+    this._transforms = this._transforms.concat(query._transforms.slice());
+    if (this.options.transform) {
+      this._transforms.push(options.transform);
+    }
+    // Re: gh-8039, you need to set the `cursor.batchSize` option, top-level
+    // `batchSize` option doesn't work.
+    if (this.options.batchSize) {
+      this.options.cursor = options.cursor || {};
+      this.options.cursor.batchSize = options.batchSize;
+
+      // Max out the number of documents we'll populate in parallel at 5000.
+      this.options._populateBatchSize = Math.min(this.options.batchSize, 5000);
+    }
+    model.collection.find(query._conditions, this.options, (err, cursor) => {
+      if (err != null) {
+        _this._markError(err);
+        _this.listeners('error').length > 0 && _this.emit('error', _this._error);
+        return;
+      }
+
+      if (_this._error) {
+        cursor.close(function() {});
+        _this.listeners('error').length > 0 && _this.emit('error', _this._error);
+      }
+      _this.cursor = cursor;
+      _this.emit('cursor', cursor);
+    });
+  });
+}
+
+util.inherits(QueryCursor, Readable);
+
+/**
+ * Necessary to satisfy the Readable API
+ * @method _read
+ * @memberOf QueryCursor
+ * @instance
+ * @api private
+ */
+
+QueryCursor.prototype._read = function() {
+  const _this = this;
+  _next(this, function(error, doc) {
+    if (error) {
+      return _this.emit('error', error);
+    }
+    if (!doc) {
+      _this.push(null);
+      _this.cursor.close(function(error) {
+        if (error) {
+          return _this.emit('error', error);
+        }
+      });
+      return;
+    }
+    _this.push(doc);
+  });
+};
+
+/**
+ * Registers a transform function which subsequently maps documents retrieved
+ * via the streams interface or `.next()`
+ *
+ * #### Example:
+ *
+ *     // Map documents returned by `data` events
+ *     Thing.
+ *       find({ name: /^hello/ }).
+ *       cursor().
+ *       map(function (doc) {
+ *        doc.foo = "bar";
+ *        return doc;
+ *       })
+ *       on('data', function(doc) { console.log(doc.foo); });
+ *
+ *     // Or map documents returned by `.next()`
+ *     const cursor = Thing.find({ name: /^hello/ }).
+ *       cursor().
+ *       map(function (doc) {
+ *         doc.foo = "bar";
+ *         return doc;
+ *       });
+ *     cursor.next(function(error, doc) {
+ *       console.log(doc.foo);
+ *     });
+ *
+ * @param {Function} fn
+ * @return {QueryCursor}
+ * @memberOf QueryCursor
+ * @api public
+ * @method map
+ */
+
+Object.defineProperty(QueryCursor.prototype, 'map', {
+  value: function(fn) {
+    this._transforms.push(fn);
+    return this;
+  },
+  enumerable: true,
+  configurable: true,
+  writable: true
+});
+
+/**
+ * Marks this cursor as errored
+ * @method _markError
+ * @memberOf QueryCursor
+ * @instance
+ * @api private
+ */
+
+QueryCursor.prototype._markError = function(error) {
+  this._error = error;
+  return this;
+};
+
+/**
+ * Marks this cursor as closed. Will stop streaming and subsequent calls to
+ * `next()` will error.
+ *
+ * @param {Function} callback
+ * @return {Promise}
+ * @api public
+ * @method close
+ * @emits close
+ * @see AggregationCursor.close https://mongodb.github.io/node-mongodb-native/4.9/classes/AggregationCursor.html#close
+ */
+
+QueryCursor.prototype.close = function(callback) {
+  return promiseOrCallback(callback, cb => {
+    this.cursor.close(error => {
+      if (error) {
+        cb(error);
+        return this.listeners('error').length > 0 && this.emit('error', error);
+      }
+      this.emit('close');
+      cb(null);
+    });
+  }, this.model.events);
+};
+
+/**
+ * Get the next document from this cursor. Will return `null` when there are
+ * no documents left.
+ *
+ * @param {Function} callback
+ * @return {Promise}
+ * @api public
+ * @method next
+ */
+
+QueryCursor.prototype.next = function(callback) {
+  return promiseOrCallback(callback, cb => {
+    _next(this, function(error, doc) {
+      if (error) {
+        return cb(error);
+      }
+      cb(null, doc);
+    });
+  }, this.model.events);
+};
+
+/**
+ * Execute `fn` for every document in the cursor. If `fn` returns a promise,
+ * will wait for the promise to resolve before iterating on to the next one.
+ * Returns a promise that resolves when done.
+ *
+ * #### Example:
+ *
+ *     // Iterate over documents asynchronously
+ *     Thing.
+ *       find({ name: /^hello/ }).
+ *       cursor().
+ *       eachAsync(async function (doc, i) {
+ *         doc.foo = doc.bar + i;
+ *         await doc.save();
+ *       })
+ *
+ * @param {Function} fn
+ * @param {Object} [options]
+ * @param {Number} [options.parallel] the number of promises to execute in parallel. Defaults to 1.
+ * @param {Number} [options.batchSize] if set, will call `fn()` with arrays of documents with length at most `batchSize`
+ * @param {Boolean} [options.continueOnError=false] if true, `eachAsync()` iterates through all docs even if `fn` throws an error. If false, `eachAsync()` throws an error immediately if the given function `fn()` throws an error.
+ * @param {Function} [callback] executed when all docs have been processed
+ * @return {Promise}
+ * @api public
+ * @method eachAsync
+ */
+
+QueryCursor.prototype.eachAsync = function(fn, opts, callback) {
+  const _this = this;
+  if (typeof opts === 'function') {
+    callback = opts;
+    opts = {};
+  }
+  opts = opts || {};
+
+  return eachAsync(function(cb) { return _next(_this, cb); }, fn, opts, callback);
+};
+
+/**
+ * The `options` passed in to the `QueryCursor` constructor.
+ *
+ * @api public
+ * @property options
+ */
+
+QueryCursor.prototype.options;
+
+/**
+ * Adds a [cursor flag](https://mongodb.github.io/node-mongodb-native/4.9/classes/FindCursor.html#addCursorFlag).
+ * Useful for setting the `noCursorTimeout` and `tailable` flags.
+ *
+ * @param {String} flag
+ * @param {Boolean} value
+ * @return {AggregationCursor} this
+ * @api public
+ * @method addCursorFlag
+ */
+
+QueryCursor.prototype.addCursorFlag = function(flag, value) {
+  const _this = this;
+  _waitForCursor(this, function() {
+    _this.cursor.addCursorFlag(flag, value);
+  });
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+QueryCursor.prototype.transformNull = function(val) {
+  if (arguments.length === 0) {
+    val = true;
+  }
+  this._mongooseOptions.transformNull = val;
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+QueryCursor.prototype._transformForAsyncIterator = function() {
+  if (this._transforms.indexOf(_transformForAsyncIterator) === -1) {
+    this.map(_transformForAsyncIterator);
+  }
+  return this;
+};
+
+/**
+ * Returns an asyncIterator for use with [`for/await/of` loops](https://thecodebarbarian.com/getting-started-with-async-iterators-in-node-js).
+ * You do not need to call this function explicitly, the JavaScript runtime
+ * will call it for you.
+ *
+ * #### Example:
+ *
+ *     // Works without using `cursor()`
+ *     for await (const doc of Model.find([{ $sort: { name: 1 } }])) {
+ *       console.log(doc.name);
+ *     }
+ *
+ *     // Can also use `cursor()`
+ *     for await (const doc of Model.find([{ $sort: { name: 1 } }]).cursor()) {
+ *       console.log(doc.name);
+ *     }
+ *
+ * Node.js 10.x supports async iterators natively without any flags. You can
+ * enable async iterators in Node.js 8.x using the [`--harmony_async_iteration` flag](https://github.com/tc39/proposal-async-iteration/issues/117#issuecomment-346695187).
+ *
+ * **Note:** This function is not if `Symbol.asyncIterator` is undefined. If
+ * `Symbol.asyncIterator` is undefined, that means your Node.js version does not
+ * support async iterators.
+ *
+ * @method Symbol.asyncIterator
+ * @memberOf QueryCursor
+ * @instance
+ * @api public
+ */
+
+if (Symbol.asyncIterator != null) {
+  QueryCursor.prototype[Symbol.asyncIterator] = function() {
+    return this.transformNull()._transformForAsyncIterator();
+  };
+}
+
+/*!
+ * ignore
+ */
+
+function _transformForAsyncIterator(doc) {
+  return doc == null ? { done: true } : { value: doc, done: false };
+}
+
+/**
+ * Get the next doc from the underlying cursor and mongooseify it
+ * (populate, etc.)
+ * @param {Any} ctx
+ * @param {Function} cb
+ * @api private
+ */
+
+function _next(ctx, cb) {
+  let callback = cb;
+  if (ctx._transforms.length) {
+    callback = function(err, doc) {
+      if (err || (doc === null && !ctx._mongooseOptions.transformNull)) {
+        return cb(err, doc);
+      }
+      cb(err, ctx._transforms.reduce(function(doc, fn) {
+        return fn.call(ctx, doc);
+      }, doc));
+    };
+  }
+
+  if (ctx._error) {
+    return immediate(function() {
+      callback(ctx._error);
+    });
+  }
+
+  if (ctx.cursor) {
+    if (ctx.query._mongooseOptions.populate && !ctx._pop) {
+      ctx._pop = helpers.preparePopulationOptionsMQ(ctx.query,
+        ctx.query._mongooseOptions);
+      ctx._pop.__noPromise = true;
+    }
+    if (ctx.query._mongooseOptions.populate && ctx.options._populateBatchSize > 1) {
+      if (ctx._batchDocs && ctx._batchDocs.length) {
+        // Return a cached populated doc
+        return _nextDoc(ctx, ctx._batchDocs.shift(), ctx._pop, callback);
+      } else if (ctx._batchExhausted) {
+        // Internal cursor reported no more docs. Act the same here
+        return callback(null, null);
+      } else {
+        // Request as many docs as batchSize, to populate them also in batch
+        ctx._batchDocs = [];
+        return ctx.cursor.next(_onNext.bind({ ctx, callback }));
+      }
+    } else {
+      return ctx.cursor.next(function(error, doc) {
+        if (error) {
+          return callback(error);
+        }
+        if (!doc) {
+          return callback(null, null);
+        }
+
+        if (!ctx.query._mongooseOptions.populate) {
+          return _nextDoc(ctx, doc, null, callback);
+        }
+
+        ctx.query.model.populate(doc, ctx._pop, function(err, doc) {
+          if (err) {
+            return callback(err);
+          }
+          return _nextDoc(ctx, doc, ctx._pop, callback);
+        });
+      });
+    }
+  } else {
+    ctx.once('error', cb);
+
+    ctx.once('cursor', function(cursor) {
+      ctx.removeListener('error', cb);
+      if (cursor == null) {
+        return;
+      }
+      _next(ctx, cb);
+    });
+  }
+}
+
+/*!
+ * ignore
+ */
+
+function _onNext(error, doc) {
+  if (error) {
+    return this.callback(error);
+  }
+  if (!doc) {
+    this.ctx._batchExhausted = true;
+    return _populateBatch.call(this);
+  }
+
+  this.ctx._batchDocs.push(doc);
+
+  if (this.ctx._batchDocs.length < this.ctx.options._populateBatchSize) {
+    // If both `batchSize` and `_populateBatchSize` are huge, calling `next()` repeatedly may
+    // cause a stack overflow. So make sure we clear the stack regularly.
+    if (this.ctx._batchDocs.length > 0 && this.ctx._batchDocs.length % 1000 === 0) {
+      return immediate(() => this.ctx.cursor.next(_onNext.bind(this)));
+    }
+    this.ctx.cursor.next(_onNext.bind(this));
+  } else {
+    _populateBatch.call(this);
+  }
+}
+
+/*!
+ * ignore
+ */
+
+function _populateBatch() {
+  if (!this.ctx._batchDocs.length) {
+    return this.callback(null, null);
+  }
+  const _this = this;
+  this.ctx.query.model.populate(this.ctx._batchDocs, this.ctx._pop, function(err) {
+    if (err) {
+      return _this.callback(err);
+    }
+
+    _nextDoc(_this.ctx, _this.ctx._batchDocs.shift(), _this.ctx._pop, _this.callback);
+  });
+}
+
+/*!
+ * ignore
+ */
+
+function _nextDoc(ctx, doc, pop, callback) {
+  if (ctx.query._mongooseOptions.lean) {
+    return ctx.model.hooks.execPost('find', ctx.query, [[doc]], err => {
+      if (err != null) {
+        return callback(err);
+      }
+      callback(null, doc);
+    });
+  }
+
+  const { model, _fields, _userProvidedFields, options } = ctx.query;
+  helpers.createModelAndInit(model, doc, _fields, _userProvidedFields, options, pop, (err, doc) => {
+    if (err != null) {
+      return callback(err);
+    }
+    ctx.model.hooks.execPost('find', ctx.query, [[doc]], err => {
+      if (err != null) {
+        return callback(err);
+      }
+      callback(null, doc);
+    });
+  });
+}
+
+/*!
+ * ignore
+ */
+
+function _waitForCursor(ctx, cb) {
+  if (ctx.cursor) {
+    return cb();
+  }
+  ctx.once('cursor', function(cursor) {
+    if (cursor == null) {
+      return;
+    }
+    cb();
+  });
+}
+
+module.exports = QueryCursor;
diff --git a/node_modules/mongoose/lib/document.js b/node_modules/mongoose/lib/document.js
new file mode 100644
index 000000000..378ccd88b
--- /dev/null
+++ b/node_modules/mongoose/lib/document.js
@@ -0,0 +1,4589 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const EventEmitter = require('events').EventEmitter;
+const InternalCache = require('./internal');
+const MongooseError = require('./error/index');
+const MixedSchema = require('./schema/mixed');
+const ObjectExpectedError = require('./error/objectExpected');
+const ObjectParameterError = require('./error/objectParameter');
+const ParallelValidateError = require('./error/parallelValidate');
+const Schema = require('./schema');
+const StrictModeError = require('./error/strict');
+const ValidationError = require('./error/validation');
+const ValidatorError = require('./error/validator');
+const VirtualType = require('./virtualtype');
+const $__hasIncludedChildren = require('./helpers/projection/hasIncludedChildren');
+const promiseOrCallback = require('./helpers/promiseOrCallback');
+const castNumber = require('./cast/number');
+const applyDefaults = require('./helpers/document/applyDefaults');
+const cleanModifiedSubpaths = require('./helpers/document/cleanModifiedSubpaths');
+const compile = require('./helpers/document/compile').compile;
+const defineKey = require('./helpers/document/compile').defineKey;
+const flatten = require('./helpers/common').flatten;
+const flattenObjectWithDottedPaths = require('./helpers/path/flattenObjectWithDottedPaths');
+const get = require('./helpers/get');
+const getEmbeddedDiscriminatorPath = require('./helpers/document/getEmbeddedDiscriminatorPath');
+const getKeysInSchemaOrder = require('./helpers/schema/getKeysInSchemaOrder');
+const handleSpreadDoc = require('./helpers/document/handleSpreadDoc');
+const immediate = require('./helpers/immediate');
+const isDefiningProjection = require('./helpers/projection/isDefiningProjection');
+const isExclusive = require('./helpers/projection/isExclusive');
+const inspect = require('util').inspect;
+const internalToObjectOptions = require('./options').internalToObjectOptions;
+const markArraySubdocsPopulated = require('./helpers/populate/markArraySubdocsPopulated');
+const mpath = require('mpath');
+const queryhelpers = require('./queryhelpers');
+const utils = require('./utils');
+const isPromise = require('./helpers/isPromise');
+
+const clone = utils.clone;
+const deepEqual = utils.deepEqual;
+const isMongooseObject = utils.isMongooseObject;
+
+const arrayAtomicsBackupSymbol = require('./helpers/symbols').arrayAtomicsBackupSymbol;
+const arrayAtomicsSymbol = require('./helpers/symbols').arrayAtomicsSymbol;
+const documentArrayParent = require('./helpers/symbols').documentArrayParent;
+const documentIsModified = require('./helpers/symbols').documentIsModified;
+const documentModifiedPaths = require('./helpers/symbols').documentModifiedPaths;
+const documentSchemaSymbol = require('./helpers/symbols').documentSchemaSymbol;
+const getSymbol = require('./helpers/symbols').getSymbol;
+const populateModelSymbol = require('./helpers/symbols').populateModelSymbol;
+const scopeSymbol = require('./helpers/symbols').scopeSymbol;
+const schemaMixedSymbol = require('./schema/symbols').schemaMixedSymbol;
+const parentPaths = require('./helpers/path/parentPaths');
+
+let DocumentArray;
+let MongooseArray;
+let Embedded;
+
+const specialProperties = utils.specialProperties;
+
+/**
+ * The core Mongoose document constructor. You should not call this directly,
+ * the Mongoose [Model constructor](./api.html#Model) calls this for you.
+ *
+ * @param {Object} obj the values to set
+ * @param {Object} [fields] optional object containing the fields which were selected in the query returning this document and any populated paths data
+ * @param {Object} [options] various configuration options for the document
+ * @param {Boolean} [options.defaults=true] if `false`, skip applying default values to this document.
+ * @inherits NodeJS EventEmitter https://nodejs.org/api/events.html#class-eventemitter
+ * @event `init`: Emitted on a document after it has been retrieved from the db and fully hydrated by Mongoose.
+ * @event `save`: Emitted when the document is successfully saved
+ * @api private
+ */
+
+function Document(obj, fields, skipId, options) {
+  if (typeof skipId === 'object' && skipId != null) {
+    options = skipId;
+    skipId = options.skipId;
+  }
+  options = Object.assign({}, options);
+
+  // Support `browserDocument.js` syntax
+  if (this.$__schema == null) {
+    const _schema = utils.isObject(fields) && !fields.instanceOfSchema ?
+      new Schema(fields) :
+      fields;
+    this.$__setSchema(_schema);
+    fields = skipId;
+    skipId = options;
+    options = arguments[4] || {};
+  }
+
+  this.$__ = new InternalCache();
+
+  // Avoid setting `isNew` to `true`, because it is `true` by default
+  if (options.isNew != null && options.isNew !== true) {
+    this.$isNew = options.isNew;
+  }
+
+  if (options.priorDoc != null) {
+    this.$__.priorDoc = options.priorDoc;
+  }
+
+  if (skipId) {
+    this.$__.skipId = skipId;
+  }
+
+  if (obj != null && typeof obj !== 'object') {
+    throw new ObjectParameterError(obj, 'obj', 'Document');
+  }
+
+  let defaults = true;
+  if (options.defaults !== undefined) {
+    this.$__.defaults = options.defaults;
+    defaults = options.defaults;
+  }
+
+  const schema = this.$__schema;
+
+  if (typeof fields === 'boolean' || fields === 'throw') {
+    if (fields !== true) {
+      this.$__.strictMode = fields;
+    }
+    fields = undefined;
+  } else if (schema.options.strict !== true) {
+    this.$__.strictMode = schema.options.strict;
+  }
+
+  const requiredPaths = schema.requiredPaths(true);
+  for (const path of requiredPaths) {
+    this.$__.activePaths.require(path);
+  }
+
+  let exclude = null;
+
+  // determine if this doc is a result of a query with
+  // excluded fields
+  if (utils.isPOJO(fields) && Object.keys(fields).length > 0) {
+    exclude = isExclusive(fields);
+    this.$__.selected = fields;
+    this.$__.exclude = exclude;
+  }
+
+  const hasIncludedChildren = exclude === false && fields ?
+    $__hasIncludedChildren(fields) :
+    null;
+
+  if (this._doc == null) {
+    this.$__buildDoc(obj, fields, skipId, exclude, hasIncludedChildren, false);
+
+    // By default, defaults get applied **before** setting initial values
+    // Re: gh-6155
+    if (defaults) {
+      applyDefaults(this, fields, exclude, hasIncludedChildren, true, null);
+    }
+  }
+  if (obj) {
+    // Skip set hooks
+    if (this.$__original_set) {
+      this.$__original_set(obj, undefined, true, options);
+    } else {
+      this.$set(obj, undefined, true, options);
+    }
+
+    if (obj instanceof Document) {
+      this.$isNew = obj.$isNew;
+    }
+  }
+
+  // Function defaults get applied **after** setting initial values so they
+  // see the full doc rather than an empty one, unless they opt out.
+  // Re: gh-3781, gh-6155
+  if (options.willInit && defaults) {
+    if (options.skipDefaults) {
+      this.$__.skipDefaults = options.skipDefaults;
+    }
+  } else if (defaults) {
+    applyDefaults(this, fields, exclude, hasIncludedChildren, false, options.skipDefaults);
+  }
+
+  if (!this.$__.strictMode && obj) {
+    const _this = this;
+    const keys = Object.keys(this._doc);
+
+    keys.forEach(function(key) {
+      // Avoid methods, virtuals, existing fields, and `$` keys. The latter is to avoid overwriting
+      // Mongoose internals.
+      if (!(key in schema.tree) && !(key in schema.methods) && !(key in schema.virtuals) && !key.startsWith('$')) {
+        defineKey({ prop: key, subprops: null, prototype: _this });
+      }
+    });
+  }
+
+  applyQueue(this);
+}
+
+/**
+ * Boolean flag specifying if the document is new. If you create a document
+ * using `new`, this document will be considered "new". `$isNew` is how
+ * Mongoose determines whether `save()` should use `insertOne()` to create
+ * a new document or `updateOne()` to update an existing document.
+ *
+ * #### Example:
+ *
+ *     const user = new User({ name: 'John Smith' });
+ *     user.$isNew; // true
+ *
+ *     await user.save(); // Sends an `insertOne` to MongoDB
+ *
+ * On the other hand, if you load an existing document from the database
+ * using `findOne()` or another [query operation](/docs/queries.html),
+ * `$isNew` will be false.
+ *
+ * #### Example:
+ *
+ *     const user = await User.findOne({ name: 'John Smith' });
+ *     user.$isNew; // false
+ *
+ * For subdocuments, `$isNew` is true if either the parent has `$isNew` set,
+ * or if you create a new subdocument.
+ *
+ * #### Example:
+ *
+ *     // Assume `Group` has a document array `users`
+ *     const group = await Group.findOne();
+ *     group.users[0].$isNew; // false
+ *
+ *     group.users.push({ name: 'John Smith' });
+ *     group.users[1].$isNew; // true
+ *
+ * @api public
+ * @property $isNew
+ * @memberOf Document
+ * @instance
+ */
+
+Object.defineProperty(Document.prototype, 'isNew', {
+  get: function() {
+    return this.$isNew;
+  },
+  set: function(value) {
+    this.$isNew = value;
+  }
+});
+
+/**
+ * Hash containing current validation errors.
+ *
+ * @api public
+ * @property errors
+ * @memberOf Document
+ * @instance
+ */
+
+Object.defineProperty(Document.prototype, 'errors', {
+  get: function() {
+    return this.$errors;
+  },
+  set: function(value) {
+    this.$errors = value;
+  }
+});
+
+/*!
+ * ignore
+ */
+
+Document.prototype.$isNew = true;
+
+/*!
+ * Document exposes the NodeJS event emitter API, so you can use
+ * `on`, `once`, etc.
+ */
+utils.each(
+  ['on', 'once', 'emit', 'listeners', 'removeListener', 'setMaxListeners',
+    'removeAllListeners', 'addListener'],
+  function(emitterFn) {
+    Document.prototype[emitterFn] = function() {
+      // Delay creating emitter until necessary because emitters take up a lot of memory,
+      // especially for subdocuments.
+      if (!this.$__.emitter) {
+        if (emitterFn === 'emit') {
+          return;
+        }
+        this.$__.emitter = new EventEmitter();
+        this.$__.emitter.setMaxListeners(0);
+      }
+      return this.$__.emitter[emitterFn].apply(this.$__.emitter, arguments);
+    };
+    Document.prototype[`$${emitterFn}`] = Document.prototype[emitterFn];
+  });
+
+Document.prototype.constructor = Document;
+
+for (const i in EventEmitter.prototype) {
+  Document[i] = EventEmitter.prototype[i];
+}
+
+/**
+ * The document's internal schema.
+ *
+ * @api private
+ * @property schema
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$__schema;
+
+/**
+ * The document's schema.
+ *
+ * @api public
+ * @property schema
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.schema;
+
+/**
+ * Empty object that you can use for storing properties on the document. This
+ * is handy for passing data to middleware without conflicting with Mongoose
+ * internals.
+ *
+ * #### Example:
+ *
+ *     schema.pre('save', function() {
+ *       // Mongoose will set `isNew` to `false` if `save()` succeeds
+ *       this.$locals.wasNew = this.isNew;
+ *     });
+ *
+ *     schema.post('save', function() {
+ *       // Prints true if `isNew` was set before `save()`
+ *       console.log(this.$locals.wasNew);
+ *     });
+ *
+ * @api public
+ * @property $locals
+ * @memberOf Document
+ * @instance
+ */
+
+Object.defineProperty(Document.prototype, '$locals', {
+  configurable: false,
+  enumerable: false,
+  get: function() {
+    if (this.$__.locals == null) {
+      this.$__.locals = {};
+    }
+    return this.$__.locals;
+  },
+  set: function(v) {
+    this.$__.locals = v;
+  }
+});
+
+/**
+ * Legacy alias for `$isNew`.
+ *
+ * @api public
+ * @property isNew
+ * @memberOf Document
+ * @see $isNew #document_Document-$isNew
+ * @instance
+ */
+
+Document.prototype.isNew;
+
+/**
+ * Set this property to add additional query filters when Mongoose saves this document and `isNew` is false.
+ *
+ * #### Example:
+ *
+ *     // Make sure `save()` never updates a soft deleted document.
+ *     schema.pre('save', function() {
+ *       this.$where = { isDeleted: false };
+ *     });
+ *
+ * @api public
+ * @property $where
+ * @memberOf Document
+ * @instance
+ */
+
+Object.defineProperty(Document.prototype, '$where', {
+  configurable: false,
+  enumerable: false,
+  writable: true
+});
+
+/**
+ * The string version of this documents _id.
+ *
+ * #### Note:
+ *
+ * This getter exists on all documents by default. The getter can be disabled by setting the `id` [option](/docs/guide.html#id) of its `Schema` to false at construction time.
+ *
+ *     new Schema({ name: String }, { id: false });
+ *
+ * @api public
+ * @see Schema options /docs/guide.html#options
+ * @property id
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.id;
+
+/**
+ * Hash containing current validation $errors.
+ *
+ * @api public
+ * @property $errors
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$errors;
+
+/**
+ * A string containing the current operation that Mongoose is executing
+ * on this document. May be `null`, `'save'`, `'validate'`, or `'remove'`.
+ *
+ * #### Example:
+ *
+ *     const doc = new Model({ name: 'test' });
+ *     doc.$op; // null
+ *
+ *     const promise = doc.save();
+ *     doc.$op; // 'save'
+ *
+ *     await promise;
+ *     doc.$op; // null
+ *
+ * @api public
+ * @property $op
+ * @memberOf Document
+ * @instance
+ */
+
+Object.defineProperty(Document.prototype, '$op', {
+  get: function() {
+    return this.$__.op || null;
+  },
+  set: function(value) {
+    this.$__.op = value;
+  }
+});
+
+/*!
+ * ignore
+ */
+
+function $applyDefaultsToNested(val, path, doc) {
+  if (val == null) {
+    return;
+  }
+
+  flattenObjectWithDottedPaths(val);
+
+  const paths = Object.keys(doc.$__schema.paths);
+  const plen = paths.length;
+
+  const pathPieces = path.indexOf('.') === -1 ? [path] : path.split('.');
+
+  for (let i = 0; i < plen; ++i) {
+    let curPath = '';
+    const p = paths[i];
+
+    if (!p.startsWith(path + '.')) {
+      continue;
+    }
+
+    const type = doc.$__schema.paths[p];
+    const pieces = type.splitPath().slice(pathPieces.length);
+    const len = pieces.length;
+
+    if (type.defaultValue === void 0) {
+      continue;
+    }
+
+    let cur = val;
+
+    for (let j = 0; j < len; ++j) {
+      if (cur == null) {
+        break;
+      }
+
+      const piece = pieces[j];
+
+      if (j === len - 1) {
+        if (cur[piece] !== void 0) {
+          break;
+        }
+
+        try {
+          const def = type.getDefault(doc, false);
+          if (def !== void 0) {
+            cur[piece] = def;
+          }
+        } catch (err) {
+          doc.invalidate(path + '.' + curPath, err);
+          break;
+        }
+
+        break;
+      }
+
+      curPath += (!curPath.length ? '' : '.') + piece;
+
+      cur[piece] = cur[piece] || {};
+      cur = cur[piece];
+    }
+  }
+}
+
+/**
+ * Builds the default doc structure
+ *
+ * @param {Object} obj
+ * @param {Object} [fields]
+ * @param {Boolean} [skipId]
+ * @param {Boolean} [exclude]
+ * @param {Object} [hasIncludedChildren]
+ * @api private
+ * @method $__buildDoc
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$__buildDoc = function(obj, fields, skipId, exclude, hasIncludedChildren) {
+  const doc = {};
+
+  const paths = Object.keys(this.$__schema.paths).
+    // Don't build up any paths that are underneath a map, we don't know
+    // what the keys will be
+    filter(p => !p.includes('$*'));
+  const plen = paths.length;
+  let ii = 0;
+
+  for (; ii < plen; ++ii) {
+    const p = paths[ii];
+
+    if (p === '_id') {
+      if (skipId) {
+        continue;
+      }
+      if (obj && '_id' in obj) {
+        continue;
+      }
+    }
+
+    const path = this.$__schema.paths[p].splitPath();
+    const len = path.length;
+    const last = len - 1;
+    let curPath = '';
+    let doc_ = doc;
+    let included = false;
+
+    for (let i = 0; i < len; ++i) {
+      const piece = path[i];
+
+      if (!curPath.length) {
+        curPath = piece;
+      } else {
+        curPath += '.' + piece;
+      }
+
+      // support excluding intermediary levels
+      if (exclude === true) {
+        if (curPath in fields) {
+          break;
+        }
+      } else if (exclude === false && fields && !included) {
+        if (curPath in fields) {
+          included = true;
+        } else if (!hasIncludedChildren[curPath]) {
+          break;
+        }
+      }
+
+      if (i < last) {
+        doc_ = doc_[piece] || (doc_[piece] = {});
+      }
+    }
+  }
+
+  this._doc = doc;
+};
+
+/*!
+ * Converts to POJO when you use the document for querying
+ */
+
+Document.prototype.toBSON = function() {
+  return this.toObject(internalToObjectOptions);
+};
+
+/**
+ * Initializes the document without setters or marking anything modified.
+ *
+ * Called internally after a document is returned from mongodb. Normally,
+ * you do **not** need to call this function on your own.
+ *
+ * This function triggers `init` [middleware](/docs/middleware.html).
+ * Note that `init` hooks are [synchronous](/docs/middleware.html#synchronous).
+ *
+ * @param {Object} doc document returned by mongo
+ * @param {Object} [opts]
+ * @param {Function} [fn]
+ * @api public
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.init = function(doc, opts, fn) {
+  if (typeof opts === 'function') {
+    fn = opts;
+    opts = null;
+  }
+
+  this.$__init(doc, opts);
+
+  if (fn) {
+    fn(null, this);
+  }
+
+  return this;
+};
+
+/**
+ * Alias for [`.init`](#document_Document-init)
+ *
+ * @api public
+ */
+
+Document.prototype.$init = function() {
+  return this.constructor.prototype.init.apply(this, arguments);
+};
+
+/**
+ * Internal "init" function
+ *
+ * @param {Document} doc
+ * @param {Object} [opts]
+ * @returns {Document} this
+ * @api private
+ */
+
+Document.prototype.$__init = function(doc, opts) {
+  this.$isNew = false;
+  opts = opts || {};
+
+  // handle docs with populated paths
+  // If doc._id is not null or undefined
+  if (doc._id != null && opts.populated && opts.populated.length) {
+    const id = String(doc._id);
+    for (const item of opts.populated) {
+      if (item.isVirtual) {
+        this.$populated(item.path, utils.getValue(item.path, doc), item);
+      } else {
+        this.$populated(item.path, item._docs[id], item);
+      }
+
+      if (item._childDocs == null) {
+        continue;
+      }
+      for (const child of item._childDocs) {
+        if (child == null || child.$__ == null) {
+          continue;
+        }
+        child.$__.parent = this;
+      }
+      item._childDocs = [];
+    }
+  }
+
+  init(this, doc, this._doc, opts);
+
+  markArraySubdocsPopulated(this, opts.populated);
+
+  this.$emit('init', this);
+  this.constructor.emit('init', this);
+
+  const hasIncludedChildren = this.$__.exclude === false && this.$__.selected ?
+    $__hasIncludedChildren(this.$__.selected) :
+    null;
+
+  applyDefaults(this, this.$__.selected, this.$__.exclude, hasIncludedChildren, false, this.$__.skipDefaults);
+
+  return this;
+};
+
+/**
+ * Init helper.
+ *
+ * @param {Object} self document instance
+ * @param {Object} obj raw mongodb doc
+ * @param {Object} doc object we are initializing
+ * @param {Object} [opts] Optional Options
+ * @param {Boolean} [opts.setters] Call `applySetters` instead of `cast`
+ * @param {String} [prefix] Prefix to add to each path
+ * @api private
+ */
+
+function init(self, obj, doc, opts, prefix) {
+  prefix = prefix || '';
+
+  const keys = Object.keys(obj);
+  const len = keys.length;
+  let schemaType;
+  let path;
+  let i;
+  let index = 0;
+  const strict = self.$__.strictMode;
+  const docSchema = self.$__schema;
+
+  while (index < len) {
+    _init(index++);
+  }
+
+  function _init(index) {
+    i = keys[index];
+    path = prefix + i;
+    schemaType = docSchema.path(path);
+
+    // Should still work if not a model-level discriminator, but should not be
+    // necessary. This is *only* to catch the case where we queried using the
+    // base model and the discriminated model has a projection
+    if (docSchema.$isRootDiscriminator && !self.$__isSelected(path)) {
+      return;
+    }
+
+    if (!schemaType && utils.isPOJO(obj[i])) {
+      // assume nested object
+      if (!doc[i]) {
+        doc[i] = {};
+        if (!strict && !(i in docSchema.tree) && !(i in docSchema.methods) && !(i in docSchema.virtuals)) {
+          self[i] = doc[i];
+        }
+      }
+      init(self, obj[i], doc[i], opts, path + '.');
+    } else if (!schemaType) {
+      doc[i] = obj[i];
+      if (!strict && !prefix) {
+        self[i] = obj[i];
+      }
+    } else {
+      // Retain order when overwriting defaults
+      if (doc.hasOwnProperty(i) && obj[i] !== void 0) {
+        delete doc[i];
+      }
+      if (obj[i] === null) {
+        doc[i] = schemaType._castNullish(null);
+      } else if (obj[i] !== undefined) {
+        const wasPopulated = obj[i].$__ == null ? null : obj[i].$__.wasPopulated;
+
+        if (schemaType && !wasPopulated) {
+          try {
+            if (opts && opts.setters) {
+              // Call applySetters with `init = false` because otherwise setters are a noop
+              const overrideInit = false;
+              doc[i] = schemaType.applySetters(obj[i], self, overrideInit);
+            } else {
+              doc[i] = schemaType.cast(obj[i], self, true);
+            }
+          } catch (e) {
+            self.invalidate(e.path, new ValidatorError({
+              path: e.path,
+              message: e.message,
+              type: 'cast',
+              value: e.value,
+              reason: e
+            }));
+          }
+        } else {
+          doc[i] = obj[i];
+        }
+      }
+      // mark as hydrated
+      if (!self.$isModified(path)) {
+        self.$__.activePaths.init(path);
+      }
+    }
+  }
+}
+
+/**
+ * Sends an update command with this document `_id` as the query selector.
+ *
+ * #### Example:
+ *
+ *     weirdCar.update({ $inc: { wheels:1 } }, { w: 1 }, callback);
+ *
+ * #### Valid options:
+ *
+ *  - same as in [Model.update](#model_Model-update)
+ *
+ * @see Model.update #model_Model-update
+ * @param {...Object} ops
+ * @param {Object} [options]
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @api public
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.update = function update() {
+  const args = [...arguments];
+  args.unshift({ _id: this._id });
+  const query = this.constructor.update.apply(this.constructor, args);
+
+  if (this.$session() != null) {
+    if (!('session' in query.options)) {
+      query.options.session = this.$session();
+    }
+  }
+
+  return query;
+};
+
+/**
+ * Sends an updateOne command with this document `_id` as the query selector.
+ *
+ * #### Example:
+ *
+ *     weirdCar.updateOne({$inc: {wheels:1}}, { w: 1 }, callback);
+ *
+ * #### Valid options:
+ *
+ *  - same as in [Model.updateOne](#model_Model-updateOne)
+ *
+ * @see Model.updateOne #model_Model-updateOne
+ * @param {Object} doc
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Object} [options.lean] if truthy, mongoose will return the document as a plain JavaScript object rather than a mongoose document. See [`Query.lean()`](/docs/api.html#query_Query-lean) and the [Mongoose lean tutorial](/docs/tutorials/lean.html).
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Note that this allows you to overwrite timestamps. Does nothing if schema-level timestamps are not set.
+ * @param {Function} [callback]
+ * @return {Query}
+ * @api public
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.updateOne = function updateOne(doc, options, callback) {
+  const query = this.constructor.updateOne({ _id: this._id }, doc, options);
+  query.pre(cb => {
+    this.constructor._middleware.execPre('updateOne', this, [this], cb);
+  });
+  query.post(cb => {
+    this.constructor._middleware.execPost('updateOne', this, [this], {}, cb);
+  });
+
+  if (this.$session() != null) {
+    if (!('session' in query.options)) {
+      query.options.session = this.$session();
+    }
+  }
+
+  if (callback != null) {
+    return query.exec(callback);
+  }
+
+  return query;
+};
+
+/**
+ * Sends a replaceOne command with this document `_id` as the query selector.
+ *
+ * #### Valid options:
+ *
+ *  - same as in [Model.replaceOne](https://mongoosejs.com/docs/api/model.html#model_Model-replaceOne)
+ *
+ * @see Model.replaceOne #model_Model-replaceOne
+ * @param {Object} doc
+ * @param {Object} [options]
+ * @param {Function} [callback]
+ * @return {Query}
+ * @api public
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.replaceOne = function replaceOne() {
+  const args = [...arguments];
+  args.unshift({ _id: this._id });
+  return this.constructor.replaceOne.apply(this.constructor, args);
+};
+
+/**
+ * Getter/setter around the session associated with this document. Used to
+ * automatically set `session` if you `save()` a doc that you got from a
+ * query with an associated session.
+ *
+ * #### Example:
+ *
+ *     const session = MyModel.startSession();
+ *     const doc = await MyModel.findOne().session(session);
+ *     doc.$session() === session; // true
+ *     doc.$session(null);
+ *     doc.$session() === null; // true
+ *
+ * If this is a top-level document, setting the session propagates to all child
+ * docs.
+ *
+ * @param {ClientSession} [session] overwrite the current session
+ * @return {ClientSession}
+ * @method $session
+ * @api public
+ * @memberOf Document
+ */
+
+Document.prototype.$session = function $session(session) {
+  if (arguments.length === 0) {
+    if (this.$__.session != null && this.$__.session.hasEnded) {
+      this.$__.session = null;
+      return null;
+    }
+    return this.$__.session;
+  }
+
+  if (session != null && session.hasEnded) {
+    throw new MongooseError('Cannot set a document\'s session to a session that has ended. Make sure you haven\'t ' +
+      'called `endSession()` on the session you are passing to `$session()`.');
+  }
+
+  if (session == null && this.$__.session == null) {
+    return;
+  }
+
+  this.$__.session = session;
+
+  if (!this.$isSubdocument) {
+    const subdocs = this.$getAllSubdocs();
+    for (const child of subdocs) {
+      child.$session(session);
+    }
+  }
+
+  return session;
+};
+
+/**
+ * Overwrite all values in this document with the values of `obj`, except
+ * for immutable properties. Behaves similarly to `set()`, except for it
+ * unsets all properties that aren't in `obj`.
+ *
+ * @param {Object} obj the object to overwrite this document with
+ * @method overwrite
+ * @memberOf Document
+ * @instance
+ * @api public
+ * @return {Document} this
+ */
+
+Document.prototype.overwrite = function overwrite(obj) {
+  const keys = Array.from(new Set(Object.keys(this._doc).concat(Object.keys(obj))));
+
+  for (const key of keys) {
+    if (key === '_id') {
+      continue;
+    }
+    // Explicitly skip version key
+    if (this.$__schema.options.versionKey && key === this.$__schema.options.versionKey) {
+      continue;
+    }
+    if (this.$__schema.options.discriminatorKey && key === this.$__schema.options.discriminatorKey) {
+      continue;
+    }
+    this.$set(key, obj[key]);
+  }
+
+  return this;
+};
+
+/**
+ * Alias for `set()`, used internally to avoid conflicts
+ *
+ * @param {String|Object} path path or object of key/vals to set
+ * @param {Any} val the value to set
+ * @param {Schema|String|Number|Buffer|*} [type] optionally specify a type for "on-the-fly" attributes
+ * @param {Object} [options] optionally specify options that modify the behavior of the set
+ * @param {Boolean} [options.merge=false] if true, setting a [nested path](/docs/subdocs.html#subdocuments-versus-nested-paths) will merge existing values rather than overwrite the whole object. So `doc.set('nested', { a: 1, b: 2 })` becomes `doc.set('nested.a', 1); doc.set('nested.b', 2);`
+ * @return {Document} this
+ * @method $set
+ * @memberOf Document
+ * @instance
+ * @api public
+ */
+
+Document.prototype.$set = function $set(path, val, type, options) {
+  if (utils.isPOJO(type)) {
+    options = type;
+    type = undefined;
+  }
+
+  const merge = options && options.merge;
+  const adhoc = type && type !== true;
+  const constructing = type === true;
+  let adhocs;
+  let keys;
+  let i = 0;
+  let pathtype;
+  let key;
+  let prefix;
+
+  const strict = options && 'strict' in options
+    ? options.strict
+    : this.$__.strictMode;
+
+  if (adhoc) {
+    adhocs = this.$__.adhocPaths || (this.$__.adhocPaths = {});
+    adhocs[path] = this.$__schema.interpretAsType(path, type, this.$__schema.options);
+  }
+
+  if (path == null) {
+    [path, val] = [val, path];
+  } else if (typeof path !== 'string') {
+    // new Document({ key: val })
+    if (path instanceof Document) {
+      if (path.$__isNested) {
+        path = path.toObject();
+      } else {
+        path = path._doc;
+      }
+    }
+    if (path == null) {
+      [path, val] = [val, path];
+    }
+
+    prefix = val ? val + '.' : '';
+    keys = getKeysInSchemaOrder(this.$__schema, path);
+
+    const len = keys.length;
+
+    // `_skipMinimizeTopLevel` is because we may have deleted the top-level
+    // nested key to ensure key order.
+    const _skipMinimizeTopLevel = options && options._skipMinimizeTopLevel || false;
+    if (len === 0 && _skipMinimizeTopLevel) {
+      delete options._skipMinimizeTopLevel;
+      if (val) {
+        this.$set(val, {});
+      }
+      return this;
+    }
+
+    for (let i = 0; i < len; ++i) {
+      key = keys[i];
+      const pathName = prefix + key;
+      pathtype = this.$__schema.pathType(pathName);
+      const valForKey = path[key];
+
+      // On initial set, delete any nested keys if we're going to overwrite
+      // them to ensure we keep the user's key order.
+      if (type === true &&
+          !prefix &&
+          valForKey != null &&
+          pathtype === 'nested' &&
+          this._doc[key] != null) {
+        delete this._doc[key];
+        // Make sure we set `{}` back even if we minimize re: gh-8565
+        options = Object.assign({}, options, { _skipMinimizeTopLevel: true });
+      } else {
+        // Make sure we set `{_skipMinimizeTopLevel: false}` if don't have overwrite: gh-10441
+        options = Object.assign({}, options, { _skipMinimizeTopLevel: false });
+      }
+
+      if (utils.isNonBuiltinObject(valForKey) && pathtype === 'nested') {
+        this.$set(prefix + key, path[key], constructing, Object.assign({}, options, { _skipMarkModified: true }));
+        $applyDefaultsToNested(this.$get(prefix + key), prefix + key, this);
+        continue;
+      } else if (strict) {
+        // Don't overwrite defaults with undefined keys (gh-3981) (gh-9039)
+        if (constructing && path[key] === void 0 &&
+            this.$get(pathName) !== void 0) {
+          continue;
+        }
+
+        if (pathtype === 'adhocOrUndefined') {
+          pathtype = getEmbeddedDiscriminatorPath(this, pathName, { typeOnly: true });
+        }
+
+        if (pathtype === 'real' || pathtype === 'virtual') {
+          const p = path[key];
+          this.$set(prefix + key, p, constructing, options);
+        } else if (pathtype === 'nested' && path[key] instanceof Document) {
+          this.$set(prefix + key,
+            path[key].toObject({ transform: false }), constructing, options);
+        } else if (strict === 'throw') {
+          if (pathtype === 'nested') {
+            throw new ObjectExpectedError(key, path[key]);
+          } else {
+            throw new StrictModeError(key);
+          }
+        }
+      } else if (path[key] !== void 0) {
+        this.$set(prefix + key, path[key], constructing, options);
+      }
+    }
+
+    // Ensure all properties are in correct order
+    const orderedDoc = {};
+    const orderedKeys = Object.keys(this.$__schema.tree);
+    for (let i = 0, len = orderedKeys.length; i < len; ++i) {
+      (key = orderedKeys[i]) &&
+      (this._doc.hasOwnProperty(key)) &&
+      (orderedDoc[key] = undefined);
+    }
+    this._doc = Object.assign(orderedDoc, this._doc);
+
+    return this;
+  }
+
+  let pathType = this.$__schema.pathType(path);
+  if (pathType === 'adhocOrUndefined') {
+    pathType = getEmbeddedDiscriminatorPath(this, path, { typeOnly: true });
+  }
+
+  // Assume this is a Mongoose document that was copied into a POJO using
+  // `Object.assign()` or `{...doc}`
+  val = handleSpreadDoc(val);
+
+  // if this doc is being constructed we should not trigger getters
+  const priorVal = (() => {
+    if (this.$__.priorDoc != null) {
+      return this.$__.priorDoc.$__getValue(path);
+    }
+    if (constructing) {
+      return void 0;
+    }
+    return this.$__getValue(path);
+  })();
+
+  if (pathType === 'nested' && val) {
+    if (typeof val === 'object' && val != null) {
+      if (val.$__ != null) {
+        val = val.toObject(internalToObjectOptions);
+      }
+      if (val == null) {
+        this.invalidate(path, new MongooseError.CastError('Object', val, path));
+        return this;
+      }
+      const hasInitialVal = this.$__.savedState != null && this.$__.savedState.hasOwnProperty(path);
+      if (this.$__.savedState != null && !this.$isNew && !this.$__.savedState.hasOwnProperty(path)) {
+        const initialVal = this.$__getValue(path);
+        this.$__.savedState[path] = initialVal;
+
+        const keys = Object.keys(initialVal || {});
+        for (const key of keys) {
+          this.$__.savedState[path + '.' + key] = initialVal[key];
+        }
+      }
+
+      if (!merge) {
+        this.$__setValue(path, null);
+        cleanModifiedSubpaths(this, path);
+      } else {
+        return this.$set(val, path, constructing);
+      }
+
+      const keys = getKeysInSchemaOrder(this.$__schema, val, path);
+
+      this.$__setValue(path, {});
+      for (const key of keys) {
+        this.$set(path + '.' + key, val[key], constructing, options);
+      }
+      if (priorVal != null && utils.deepEqual(hasInitialVal ? this.$__.savedState[path] : priorVal, val)) {
+        this.unmarkModified(path);
+      } else {
+        this.markModified(path);
+      }
+      return this;
+    }
+    this.invalidate(path, new MongooseError.CastError('Object', val, path));
+    return this;
+  }
+
+  let schema;
+  const parts = path.indexOf('.') === -1 ? [path] : path.split('.');
+
+  // Might need to change path for top-level alias
+  if (typeof this.$__schema.aliases[parts[0]] === 'string') {
+    parts[0] = this.$__schema.aliases[parts[0]];
+  }
+
+  if (pathType === 'adhocOrUndefined' && strict) {
+    // check for roots that are Mixed types
+    let mixed;
+
+    for (i = 0; i < parts.length; ++i) {
+      const subpath = parts.slice(0, i + 1).join('.');
+
+      // If path is underneath a virtual, bypass everything and just set it.
+      if (i + 1 < parts.length && this.$__schema.pathType(subpath) === 'virtual') {
+        mpath.set(path, val, this);
+        return this;
+      }
+
+      schema = this.$__schema.path(subpath);
+      if (schema == null) {
+        continue;
+      }
+
+      if (schema instanceof MixedSchema) {
+        // allow changes to sub paths of mixed types
+        mixed = true;
+        break;
+      }
+    }
+
+    if (schema == null) {
+      // Check for embedded discriminators
+      schema = getEmbeddedDiscriminatorPath(this, path);
+    }
+
+    if (!mixed && !schema) {
+      if (strict === 'throw') {
+        throw new StrictModeError(path);
+      }
+      return this;
+    }
+  } else if (pathType === 'virtual') {
+    schema = this.$__schema.virtualpath(path);
+    schema.applySetters(val, this);
+    return this;
+  } else {
+    schema = this.$__path(path);
+  }
+
+  // gh-4578, if setting a deeply nested path that doesn't exist yet, create it
+  let cur = this._doc;
+  let curPath = '';
+  for (i = 0; i < parts.length - 1; ++i) {
+    cur = cur[parts[i]];
+    curPath += (curPath.length !== 0 ? '.' : '') + parts[i];
+    if (!cur) {
+      this.$set(curPath, {});
+      // Hack re: gh-5800. If nested field is not selected, it probably exists
+      // so `MongoServerError: cannot use the part (nested of nested.num) to
+      // traverse the element ({nested: null})` is not likely. If user gets
+      // that error, its their fault for now. We should reconsider disallowing
+      // modifying not selected paths for 6.x
+      if (!this.$__isSelected(curPath)) {
+        this.unmarkModified(curPath);
+      }
+      cur = this.$__getValue(curPath);
+    }
+  }
+
+  let pathToMark;
+
+  // When using the $set operator the path to the field must already exist.
+  // Else mongodb throws: "LEFT_SUBFIELD only supports Object"
+
+  if (parts.length <= 1) {
+    pathToMark = path;
+  } else {
+    const len = parts.length;
+    for (i = 0; i < len; ++i) {
+      const subpath = parts.slice(0, i + 1).join('.');
+      if (this.$get(subpath, null, { getters: false }) === null) {
+        pathToMark = subpath;
+        break;
+      }
+    }
+
+    if (!pathToMark) {
+      pathToMark = path;
+    }
+  }
+
+  if (!schema) {
+    this.$__set(pathToMark, path, options, constructing, parts, schema, val, priorVal);
+
+    if (pathType === 'nested' && val == null) {
+      cleanModifiedSubpaths(this, path);
+    }
+    return this;
+  }
+
+  // If overwriting a subdocument path, make sure to clear out
+  // any errors _before_ setting, so new errors that happen
+  // get persisted. Re: #9080
+  if (schema.$isSingleNested || schema.$isMongooseArray) {
+    _markValidSubpaths(this, path);
+  }
+
+  if (val != null && merge && schema.$isSingleNested) {
+    if (val instanceof Document) {
+      val = val.toObject({ virtuals: false, transform: false });
+    }
+    const keys = Object.keys(val);
+    for (const key of keys) {
+      this.$set(path + '.' + key, val[key], constructing, options);
+    }
+
+    return this;
+  }
+
+  let shouldSet = true;
+  try {
+    // If the user is trying to set a ref path to a document with
+    // the correct model name, treat it as populated
+    const refMatches = (() => {
+      if (schema.options == null) {
+        return false;
+      }
+      if (!(val instanceof Document)) {
+        return false;
+      }
+      const model = val.constructor;
+
+      // Check ref
+      const ref = schema.options.ref;
+      if (ref != null && (ref === model.modelName || ref === model.baseModelName)) {
+        return true;
+      }
+
+      // Check refPath
+      const refPath = schema.options.refPath;
+      if (refPath == null) {
+        return false;
+      }
+      const modelName = val.get(refPath);
+      return modelName === model.modelName || modelName === model.baseModelName;
+    })();
+
+    let didPopulate = false;
+    if (refMatches && val instanceof Document && (!val.$__.wasPopulated || utils.deepEqual(val.$__.wasPopulated.value, val._id))) {
+      const unpopulatedValue = (schema && schema.$isSingleNested) ? schema.cast(val, this) : val._id;
+      this.$populated(path, unpopulatedValue, { [populateModelSymbol]: val.constructor });
+      val.$__.wasPopulated = { value: unpopulatedValue };
+      didPopulate = true;
+    }
+
+    let popOpts;
+    const typeKey = this.$__schema.options.typeKey;
+    if (schema.options &&
+        Array.isArray(schema.options[typeKey]) &&
+        schema.options[typeKey].length &&
+        schema.options[typeKey][0].ref &&
+        _isManuallyPopulatedArray(val, schema.options[typeKey][0].ref)) {
+      popOpts = { [populateModelSymbol]: val[0].constructor };
+      this.$populated(path, val.map(function(v) { return v._id; }), popOpts);
+
+      for (const doc of val) {
+        doc.$__.wasPopulated = { value: doc._id };
+      }
+      didPopulate = true;
+    }
+
+    if (this.$__schema.singleNestedPaths[path] == null && (!refMatches || !schema.$isSingleNested || !val.$__)) {
+      // If this path is underneath a single nested schema, we'll call the setter
+      // later in `$__set()` because we don't take `_doc` when we iterate through
+      // a single nested doc. That's to make sure we get the correct context.
+      // Otherwise we would double-call the setter, see gh-7196.
+      if (options != null && options.overwriteImmutable) {
+        val = schema.applySetters(val, this, false, priorVal, { overwriteImmutable: true });
+      } else {
+        val = schema.applySetters(val, this, false, priorVal);
+      }
+    }
+
+    if (Array.isArray(val) &&
+        !Array.isArray(schema) &&
+        schema.$isMongooseDocumentArray &&
+        val.length !== 0 &&
+        val[0] != null &&
+        val[0].$__ != null &&
+        val[0].$__.populated != null) {
+      const populatedPaths = Object.keys(val[0].$__.populated);
+      for (const populatedPath of populatedPaths) {
+        this.$populated(path + '.' + populatedPath,
+          val.map(v => v.$populated(populatedPath)),
+          val[0].$__.populated[populatedPath].options);
+      }
+      didPopulate = true;
+    }
+
+    if (!didPopulate && this.$__.populated) {
+      // If this array partially contains populated documents, convert them
+      // all to ObjectIds re: #8443
+      if (Array.isArray(val) && this.$__.populated[path]) {
+        for (let i = 0; i < val.length; ++i) {
+          if (val[i] instanceof Document) {
+            val.set(i, val[i]._id, true);
+          }
+        }
+      }
+      delete this.$__.populated[path];
+    }
+
+    if (val != null && schema.$isSingleNested) {
+      _checkImmutableSubpaths(val, schema, priorVal);
+    }
+
+    this.$markValid(path);
+  } catch (e) {
+    if (e instanceof MongooseError.StrictModeError && e.isImmutableError) {
+      this.invalidate(path, e);
+    } else if (e instanceof MongooseError.CastError) {
+      this.invalidate(e.path, e);
+      if (e.$originalErrorPath) {
+        this.invalidate(path,
+          new MongooseError.CastError(schema.instance, val, path, e.$originalErrorPath));
+      }
+    } else {
+      this.invalidate(path,
+        new MongooseError.CastError(schema.instance, val, path, e));
+    }
+    shouldSet = false;
+  }
+
+  if (shouldSet) {
+    let savedState = null;
+    let savedStatePath = null;
+    if (!constructing) {
+      const doc = this.$isSubdocument ? this.ownerDocument() : this;
+      savedState = doc.$__.savedState;
+      savedStatePath = this.$isSubdocument ? this.$__.fullPath + '.' + path : path;
+      if (savedState != null) {
+        const firstDot = savedStatePath.indexOf('.');
+        const topLevelPath = firstDot === -1 ? savedStatePath : savedStatePath.slice(0, firstDot);
+        if (!savedState.hasOwnProperty(topLevelPath)) {
+          savedState[topLevelPath] = utils.clone(doc.$__getValue(topLevelPath));
+        }
+      }
+    }
+
+    this.$__set(pathToMark, path, options, constructing, parts, schema, val, priorVal);
+
+    if (savedState != null && savedState.hasOwnProperty(savedStatePath) && utils.deepEqual(val, savedState[savedStatePath])) {
+      this.unmarkModified(path);
+    }
+  }
+
+  if (schema.$isSingleNested && (this.isDirectModified(path) || val == null)) {
+    cleanModifiedSubpaths(this, path);
+  }
+
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+function _isManuallyPopulatedArray(val, ref) {
+  if (!Array.isArray(val)) {
+    return false;
+  }
+  if (val.length === 0) {
+    return false;
+  }
+
+  for (const el of val) {
+    if (!(el instanceof Document)) {
+      return false;
+    }
+    const modelName = el.constructor.modelName;
+    if (modelName == null) {
+      return false;
+    }
+    if (el.constructor.modelName != ref && el.constructor.baseModelName != ref) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+/**
+ * Sets the value of a path, or many paths.
+ * Alias for [`.$set`](#document_Document-$set).
+ *
+ * #### Example:
+ *
+ *     // path, value
+ *     doc.set(path, value)
+ *
+ *     // object
+ *     doc.set({
+ *         path  : value
+ *       , path2 : {
+ *            path  : value
+ *         }
+ *     })
+ *
+ *     // on-the-fly cast to number
+ *     doc.set(path, value, Number)
+ *
+ *     // on-the-fly cast to string
+ *     doc.set(path, value, String)
+ *
+ *     // changing strict mode behavior
+ *     doc.set(path, value, { strict: false });
+ *
+ * @param {String|Object} path path or object of key/vals to set
+ * @param {Any} val the value to set
+ * @param {Schema|String|Number|Buffer|*} [type] optionally specify a type for "on-the-fly" attributes
+ * @param {Object} [options] optionally specify options that modify the behavior of the set
+ * @return {Document} this
+ * @api public
+ * @method set
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.set = Document.prototype.$set;
+
+/**
+ * Determine if we should mark this change as modified.
+ *
+ * @param {never} pathToMark UNUSED
+ * @param {String|Symbol} path
+ * @param {Object} options
+ * @param {Any} constructing
+ * @param {never} parts UNUSED
+ * @param {Schema} schema
+ * @param {Any} val
+ * @param {Any} priorVal
+ * @return {Boolean}
+ * @api private
+ * @method $__shouldModify
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$__shouldModify = function(pathToMark, path, options, constructing, parts, schema, val, priorVal) {
+  if (options && options._skipMarkModified) {
+    return false;
+  }
+  if (this.$isNew) {
+    return true;
+  }
+
+  // Re: the note about gh-7196, `val` is the raw value without casting or
+  // setters if the full path is under a single nested subdoc because we don't
+  // want to double run setters. So don't set it as modified. See gh-7264.
+  if (this.$__schema.singleNestedPaths[path] != null) {
+    return false;
+  }
+
+  if (val === void 0 && !this.$__isSelected(path)) {
+    // when a path is not selected in a query, its initial
+    // value will be undefined.
+    return true;
+  }
+
+  if (val === void 0 && path in this.$__.activePaths.getStatePaths('default')) {
+    // we're just unsetting the default value which was never saved
+    return false;
+  }
+
+  // gh-3992: if setting a populated field to a doc, don't mark modified
+  // if they have the same _id
+  if (this.$populated(path) &&
+      val instanceof Document &&
+      deepEqual(val._id, priorVal)) {
+    return false;
+  }
+
+  if (!deepEqual(val, priorVal || utils.getValue(path, this))) {
+    return true;
+  }
+
+  if (!constructing &&
+      val !== null &&
+      val !== undefined &&
+      path in this.$__.activePaths.getStatePaths('default') &&
+      deepEqual(val, schema.getDefault(this, constructing))) {
+    // a path with a default was $unset on the server
+    // and the user is setting it to the same value again
+    return true;
+  }
+  return false;
+};
+
+/**
+ * Handles the actual setting of the value and marking the path modified if appropriate.
+ *
+ * @param {String} pathToMark
+ * @param {String|Symbol} path
+ * @param {Object} options
+ * @param {Any} constructing
+ * @param {Array} parts
+ * @param {Schema} schema
+ * @param {Any} val
+ * @param {Any} priorVal
+ * @api private
+ * @method $__set
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$__set = function(pathToMark, path, options, constructing, parts, schema, val, priorVal) {
+  Embedded = Embedded || require('./types/ArraySubdocument');
+
+  const shouldModify = this.$__shouldModify(pathToMark, path, options, constructing, parts,
+    schema, val, priorVal);
+
+  if (shouldModify) {
+    if (this.$__.primitiveAtomics && this.$__.primitiveAtomics[path]) {
+      delete this.$__.primitiveAtomics[path];
+      if (Object.keys(this.$__.primitiveAtomics).length === 0) {
+        delete this.$__.primitiveAtomics;
+      }
+    }
+    this.markModified(pathToMark);
+
+    // handle directly setting arrays (gh-1126)
+    MongooseArray || (MongooseArray = require('./types/array'));
+    if (val && utils.isMongooseArray(val)) {
+      val._registerAtomic('$set', val);
+
+      // Update embedded document parent references (gh-5189)
+      if (utils.isMongooseDocumentArray(val)) {
+        val.forEach(function(item) {
+          item && item.__parentArray && (item.__parentArray = val);
+        });
+      }
+    }
+  } else if (Array.isArray(val) && Array.isArray(priorVal) && utils.isMongooseArray(val) && utils.isMongooseArray(priorVal)) {
+    val[arrayAtomicsSymbol] = priorVal[arrayAtomicsSymbol];
+    val[arrayAtomicsBackupSymbol] = priorVal[arrayAtomicsBackupSymbol];
+    if (utils.isMongooseDocumentArray(val)) {
+      val.forEach(doc => { doc.isNew = false; });
+    }
+  }
+
+  let obj = this._doc;
+  let i = 0;
+  const l = parts.length;
+  let cur = '';
+
+  for (; i < l; i++) {
+    const next = i + 1;
+    const last = next === l;
+    cur += (cur ? '.' + parts[i] : parts[i]);
+    if (specialProperties.has(parts[i])) {
+      return;
+    }
+
+    if (last) {
+      if (obj instanceof Map) {
+        obj.set(parts[i], val);
+      } else {
+        obj[parts[i]] = val;
+      }
+    } else {
+      if (utils.isPOJO(obj[parts[i]])) {
+        obj = obj[parts[i]];
+      } else if (obj[parts[i]] && obj[parts[i]] instanceof Embedded) {
+        obj = obj[parts[i]];
+      } else if (obj[parts[i]] && !Array.isArray(obj[parts[i]]) && obj[parts[i]].$isSingleNested) {
+        obj = obj[parts[i]];
+      } else if (obj[parts[i]] && Array.isArray(obj[parts[i]])) {
+        obj = obj[parts[i]];
+      } else {
+        obj[parts[i]] = obj[parts[i]] || {};
+        obj = obj[parts[i]];
+      }
+    }
+  }
+};
+
+/**
+ * Gets a raw value from a path (no getters)
+ *
+ * @param {String} path
+ * @return {Any} Returns the value from the given `path`.
+ * @api private
+ */
+
+Document.prototype.$__getValue = function(path) {
+  return utils.getValue(path, this._doc);
+};
+
+/**
+ * Increments the numeric value at `path` by the given `val`.
+ * When you call `save()` on this document, Mongoose will send a
+ * [`$inc`](https://www.mongodb.com/docs/manual/reference/operator/update/inc/)
+ * as opposed to a `$set`.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ counter: Number });
+ *     const Test = db.model('Test', schema);
+ *
+ *     const doc = await Test.create({ counter: 0 });
+ *     doc.$inc('counter', 2);
+ *     await doc.save(); // Sends a `{ $inc: { counter: 2 } }` to MongoDB
+ *     doc.counter; // 2
+ *
+ *     doc.counter += 2;
+ *     await doc.save(); // Sends a `{ $set: { counter: 2 } }` to MongoDB
+ *
+ * @param {String|Array} path path or paths to update
+ * @param {Number} val increment `path` by this value
+ * @return {Document} this
+ */
+
+Document.prototype.$inc = function $inc(path, val) {
+  if (val == null) {
+    val = 1;
+  }
+
+  if (Array.isArray(path)) {
+    path.forEach((p) => this.$inc(p, val));
+    return this;
+  }
+
+  const schemaType = this.$__path(path);
+  if (schemaType == null) {
+    if (this.$__.strictMode === 'throw') {
+      throw new StrictModeError(path);
+    } else if (this.$__.strictMode === true) {
+      return this;
+    }
+  } else if (schemaType.instance !== 'Number') {
+    this.invalidate(path, new MongooseError.CastError(schemaType.instance, val, path));
+    return this;
+  }
+
+  try {
+    val = castNumber(val);
+  } catch (err) {
+    this.invalidate(path, new MongooseError.CastError('number', val, path, err));
+  }
+
+  const currentValue = this.$__getValue(path);
+
+  this.$__setValue(path, currentValue + val);
+
+  this.$__.primitiveAtomics = this.$__.primitiveAtomics || {};
+  this.$__.primitiveAtomics[path] = { $inc: val };
+  this.markModified(path);
+
+  return this;
+};
+
+/**
+ * Sets a raw value for a path (no casting, setters, transformations)
+ *
+ * @param {String} path
+ * @param {Object} value
+ * @return {Document} this
+ * @api private
+ */
+
+Document.prototype.$__setValue = function(path, val) {
+  utils.setValue(path, val, this._doc);
+  return this;
+};
+
+/**
+ * Returns the value of a path.
+ *
+ * #### Example:
+ *
+ *     // path
+ *     doc.get('age') // 47
+ *
+ *     // dynamic casting to a string
+ *     doc.get('age', String) // "47"
+ *
+ * @param {String} path
+ * @param {Schema|String|Number|Buffer|*} [type] optionally specify a type for on-the-fly attributes
+ * @param {Object} [options]
+ * @param {Boolean} [options.virtuals=false] Apply virtuals before getting this path
+ * @param {Boolean} [options.getters=true] If false, skip applying getters and just get the raw value
+ * @return {Any}
+ * @api public
+ */
+
+Document.prototype.get = function(path, type, options) {
+  let adhoc;
+  options = options || {};
+  if (type) {
+    adhoc = this.$__schema.interpretAsType(path, type, this.$__schema.options);
+  }
+
+  let schema = this.$__path(path);
+  if (schema == null) {
+    schema = this.$__schema.virtualpath(path);
+  }
+  if (schema instanceof MixedSchema) {
+    const virtual = this.$__schema.virtualpath(path);
+    if (virtual != null) {
+      schema = virtual;
+    }
+  }
+  const pieces = path.indexOf('.') === -1 ? [path] : path.split('.');
+  let obj = this._doc;
+
+  if (schema instanceof VirtualType) {
+    return schema.applyGetters(void 0, this);
+  }
+
+  // Might need to change path for top-level alias
+  if (typeof this.$__schema.aliases[pieces[0]] === 'string') {
+    pieces[0] = this.$__schema.aliases[pieces[0]];
+  }
+
+  for (let i = 0, l = pieces.length; i < l; i++) {
+    if (obj && obj._doc) {
+      obj = obj._doc;
+    }
+
+    if (obj == null) {
+      obj = void 0;
+    } else if (obj instanceof Map) {
+      obj = obj.get(pieces[i], { getters: false });
+    } else if (i === l - 1) {
+      obj = utils.getValue(pieces[i], obj);
+    } else {
+      obj = obj[pieces[i]];
+    }
+  }
+
+  if (adhoc) {
+    obj = adhoc.cast(obj);
+  }
+
+  if (schema != null && options.getters !== false) {
+    obj = schema.applyGetters(obj, this);
+  } else if (this.$__schema.nested[path] && options.virtuals) {
+    // Might need to apply virtuals if this is a nested path
+    return applyVirtuals(this, utils.clone(obj) || {}, { path: path });
+  }
+
+  return obj;
+};
+
+/*!
+ * ignore
+ */
+
+Document.prototype[getSymbol] = Document.prototype.get;
+Document.prototype.$get = Document.prototype.get;
+
+/**
+ * Returns the schematype for the given `path`.
+ *
+ * @param {String} path
+ * @return {SchemaPath}
+ * @api private
+ * @method $__path
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$__path = function(path) {
+  const adhocs = this.$__.adhocPaths;
+  const adhocType = adhocs && adhocs.hasOwnProperty(path) ? adhocs[path] : null;
+
+  if (adhocType) {
+    return adhocType;
+  }
+  return this.$__schema.path(path);
+};
+
+/**
+ * Marks the path as having pending changes to write to the db.
+ *
+ * _Very helpful when using [Mixed](https://mongoosejs.com/docs/schematypes.html#mixed) types._
+ *
+ * #### Example:
+ *
+ *     doc.mixed.type = 'changed';
+ *     doc.markModified('mixed.type');
+ *     doc.save() // changes to mixed.type are now persisted
+ *
+ * @param {String} path the path to mark modified
+ * @param {Document} [scope] the scope to run validators with
+ * @api public
+ */
+
+Document.prototype.markModified = function(path, scope) {
+  this.$__.activePaths.modify(path);
+  if (scope != null && !this.$isSubdocument) {
+    this.$__.pathsToScopes = this.$__pathsToScopes || {};
+    this.$__.pathsToScopes[path] = scope;
+  }
+};
+
+/**
+ * Clears the modified state on the specified path.
+ *
+ * #### Example:
+ *
+ *     doc.foo = 'bar';
+ *     doc.unmarkModified('foo');
+ *     doc.save(); // changes to foo will not be persisted
+ *
+ * @param {String} path the path to unmark modified
+ * @api public
+ */
+
+Document.prototype.unmarkModified = function(path) {
+  this.$__.activePaths.init(path);
+  if (this.$__.pathsToScopes != null) {
+    delete this.$__.pathsToScopes[path];
+  }
+};
+
+/**
+ * Don't run validation on this path or persist changes to this path.
+ *
+ * #### Example:
+ *
+ *     doc.foo = null;
+ *     doc.$ignore('foo');
+ *     doc.save(); // changes to foo will not be persisted and validators won't be run
+ *
+ * @memberOf Document
+ * @instance
+ * @method $ignore
+ * @param {String} path the path to ignore
+ * @api public
+ */
+
+Document.prototype.$ignore = function(path) {
+  this.$__.activePaths.ignore(path);
+};
+
+/**
+ * Returns the list of paths that have been directly modified. A direct
+ * modified path is a path that you explicitly set, whether via `doc.foo = 'bar'`,
+ * `Object.assign(doc, { foo: 'bar' })`, or `doc.set('foo', 'bar')`.
+ *
+ * A path `a` may be in `modifiedPaths()` but not in `directModifiedPaths()`
+ * because a child of `a` was directly modified.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ foo: String, nested: { bar: String } });
+ *     const Model = mongoose.model('Test', schema);
+ *     await Model.create({ foo: 'original', nested: { bar: 'original' } });
+ *
+ *     const doc = await Model.findOne();
+ *     doc.nested.bar = 'modified';
+ *     doc.directModifiedPaths(); // ['nested.bar']
+ *     doc.modifiedPaths(); // ['nested', 'nested.bar']
+ *
+ * @return {String[]}
+ * @api public
+ */
+
+Document.prototype.directModifiedPaths = function() {
+  return Object.keys(this.$__.activePaths.getStatePaths('modify'));
+};
+
+/**
+ * Returns true if the given path is nullish or only contains empty objects.
+ * Useful for determining whether this subdoc will get stripped out by the
+ * [minimize option](/docs/guide.html#minimize).
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ nested: { foo: String } });
+ *     const Model = mongoose.model('Test', schema);
+ *     const doc = new Model({});
+ *     doc.$isEmpty('nested'); // true
+ *     doc.nested.$isEmpty(); // true
+ *
+ *     doc.nested.foo = 'bar';
+ *     doc.$isEmpty('nested'); // false
+ *     doc.nested.$isEmpty(); // false
+ *
+ * @param {String} [path]
+ * @memberOf Document
+ * @instance
+ * @api public
+ * @method $isEmpty
+ * @return {Boolean}
+ */
+
+Document.prototype.$isEmpty = function(path) {
+  const isEmptyOptions = {
+    minimize: true,
+    virtuals: false,
+    getters: false,
+    transform: false
+  };
+
+  if (arguments.length !== 0) {
+    const v = this.$get(path);
+    if (v == null) {
+      return true;
+    }
+    if (typeof v !== 'object') {
+      return false;
+    }
+    if (utils.isPOJO(v)) {
+      return _isEmpty(v);
+    }
+    return Object.keys(v.toObject(isEmptyOptions)).length === 0;
+  }
+
+  return Object.keys(this.toObject(isEmptyOptions)).length === 0;
+};
+
+/*!
+ * ignore
+ */
+
+function _isEmpty(v) {
+  if (v == null) {
+    return true;
+  }
+  if (typeof v !== 'object' || Array.isArray(v)) {
+    return false;
+  }
+  for (const key of Object.keys(v)) {
+    if (!_isEmpty(v[key])) {
+      return false;
+    }
+  }
+  return true;
+}
+
+/**
+ * Returns the list of paths that have been modified.
+ *
+ * @param {Object} [options]
+ * @param {Boolean} [options.includeChildren=false] if true, returns children of modified paths as well. For example, if false, the list of modified paths for `doc.colors = { primary: 'blue' };` will **not** contain `colors.primary`. If true, `modifiedPaths()` will return an array that contains `colors.primary`.
+ * @return {String[]}
+ * @api public
+ */
+
+Document.prototype.modifiedPaths = function(options) {
+  options = options || {};
+
+  const directModifiedPaths = Object.keys(this.$__.activePaths.getStatePaths('modify'));
+  const result = new Set();
+
+  let i = 0;
+  let j = 0;
+  const len = directModifiedPaths.length;
+
+  for (i = 0; i < len; ++i) {
+    const path = directModifiedPaths[i];
+    const parts = parentPaths(path);
+    const pLen = parts.length;
+
+    for (j = 0; j < pLen; ++j) {
+      result.add(parts[j]);
+    }
+
+    if (!options.includeChildren) {
+      continue;
+    }
+
+    let ii = 0;
+    let cur = this.$get(path);
+    if (typeof cur === 'object' && cur !== null) {
+      if (cur._doc) {
+        cur = cur._doc;
+      }
+      const len = cur.length;
+      if (Array.isArray(cur)) {
+        for (ii = 0; ii < len; ++ii) {
+          const subPath = path + '.' + ii;
+          if (!result.has(subPath)) {
+            result.add(subPath);
+            if (cur[ii] != null && cur[ii].$__) {
+              const modified = cur[ii].modifiedPaths();
+              let iii = 0;
+              const iiiLen = modified.length;
+              for (iii = 0; iii < iiiLen; ++iii) {
+                result.add(subPath + '.' + modified[iii]);
+              }
+            }
+          }
+        }
+      } else {
+        const keys = Object.keys(cur);
+        let ii = 0;
+        const len = keys.length;
+        for (ii = 0; ii < len; ++ii) {
+          result.add(path + '.' + keys[ii]);
+        }
+      }
+    }
+  }
+  return Array.from(result);
+};
+
+Document.prototype[documentModifiedPaths] = Document.prototype.modifiedPaths;
+
+/**
+ * Returns true if any of the given paths is modified, else false. If no arguments, returns `true` if any path
+ * in this document is modified.
+ *
+ * If `path` is given, checks if a path or any full path containing `path` as part of its path chain has been modified.
+ *
+ * #### Example:
+ *
+ *     doc.set('documents.0.title', 'changed');
+ *     doc.isModified()                      // true
+ *     doc.isModified('documents')           // true
+ *     doc.isModified('documents.0.title')   // true
+ *     doc.isModified('documents otherProp') // true
+ *     doc.isDirectModified('documents')     // false
+ *
+ * @param {String} [path] optional
+ * @return {Boolean}
+ * @api public
+ */
+
+Document.prototype.isModified = function(paths, modifiedPaths) {
+  if (paths) {
+    const directModifiedPaths = Object.keys(this.$__.activePaths.getStatePaths('modify'));
+    if (directModifiedPaths.length === 0) {
+      return false;
+    }
+
+    if (!Array.isArray(paths)) {
+      paths = paths.indexOf(' ') === -1 ? [paths] : paths.split(' ');
+    }
+    const modified = modifiedPaths || this[documentModifiedPaths]();
+    const isModifiedChild = paths.some(function(path) {
+      return !!~modified.indexOf(path);
+    });
+
+    return isModifiedChild || paths.some(function(path) {
+      return directModifiedPaths.some(function(mod) {
+        return mod === path || path.startsWith(mod + '.');
+      });
+    });
+  }
+
+  return this.$__.activePaths.some('modify');
+};
+
+/**
+ * Alias of [`.isModified`](#document_Document-isModified)
+ *
+ * @method $isModified
+ * @memberOf Document
+ * @api public
+ */
+
+Document.prototype.$isModified = Document.prototype.isModified;
+
+Document.prototype[documentIsModified] = Document.prototype.isModified;
+
+/**
+ * Checks if a path is set to its default.
+ *
+ * #### Example:
+ *
+ *     MyModel = mongoose.model('test', { name: { type: String, default: 'Val '} });
+ *     const m = new MyModel();
+ *     m.$isDefault('name'); // true
+ *
+ * @memberOf Document
+ * @instance
+ * @method $isDefault
+ * @param {String} [path]
+ * @return {Boolean}
+ * @api public
+ */
+
+Document.prototype.$isDefault = function(path) {
+  if (path == null) {
+    return this.$__.activePaths.some('default');
+  }
+
+  if (typeof path === 'string' && path.indexOf(' ') === -1) {
+    return this.$__.activePaths.getStatePaths('default').hasOwnProperty(path);
+  }
+
+  let paths = path;
+  if (!Array.isArray(paths)) {
+    paths = paths.split(' ');
+  }
+
+  return paths.some(path => this.$__.activePaths.getStatePaths('default').hasOwnProperty(path));
+};
+
+/**
+ * Getter/setter, determines whether the document was removed or not.
+ *
+ * #### Example:
+ *
+ *     const product = await product.remove();
+ *     product.$isDeleted(); // true
+ *     product.remove(); // no-op, doesn't send anything to the db
+ *
+ *     product.$isDeleted(false);
+ *     product.$isDeleted(); // false
+ *     product.remove(); // will execute a remove against the db
+ *
+ *
+ * @param {Boolean} [val] optional, overrides whether mongoose thinks the doc is deleted
+ * @return {Boolean|Document} whether mongoose thinks this doc is deleted.
+ * @method $isDeleted
+ * @memberOf Document
+ * @instance
+ * @api public
+ */
+
+Document.prototype.$isDeleted = function(val) {
+  if (arguments.length === 0) {
+    return !!this.$__.isDeleted;
+  }
+
+  this.$__.isDeleted = !!val;
+  return this;
+};
+
+/**
+ * Returns true if `path` was directly set and modified, else false.
+ *
+ * #### Example:
+ *
+ *     doc.set('documents.0.title', 'changed');
+ *     doc.isDirectModified('documents.0.title') // true
+ *     doc.isDirectModified('documents') // false
+ *
+ * @param {String|String[]} [path]
+ * @return {Boolean}
+ * @api public
+ */
+
+Document.prototype.isDirectModified = function(path) {
+  if (path == null) {
+    return this.$__.activePaths.some('modify');
+  }
+
+  if (typeof path === 'string' && path.indexOf(' ') === -1) {
+    return this.$__.activePaths.getStatePaths('modify').hasOwnProperty(path);
+  }
+
+  let paths = path;
+  if (!Array.isArray(paths)) {
+    paths = paths.split(' ');
+  }
+
+  return paths.some(path => this.$__.activePaths.getStatePaths('modify').hasOwnProperty(path));
+};
+
+/**
+ * Checks if `path` is in the `init` state, that is, it was set by `Document#init()` and not modified since.
+ *
+ * @param {String} [path]
+ * @return {Boolean}
+ * @api public
+ */
+
+Document.prototype.isInit = function(path) {
+  if (path == null) {
+    return this.$__.activePaths.some('init');
+  }
+
+  if (typeof path === 'string' && path.indexOf(' ') === -1) {
+    return this.$__.activePaths.getStatePaths('init').hasOwnProperty(path);
+  }
+
+  let paths = path;
+  if (!Array.isArray(paths)) {
+    paths = paths.split(' ');
+  }
+
+  return paths.some(path => this.$__.activePaths.getStatePaths('init').hasOwnProperty(path));
+};
+
+/**
+ * Checks if `path` was selected in the source query which initialized this document.
+ *
+ * #### Example:
+ *
+ *     const doc = await Thing.findOne().select('name');
+ *     doc.isSelected('name') // true
+ *     doc.isSelected('age')  // false
+ *
+ * @param {String|String[]} path
+ * @return {Boolean}
+ * @api public
+ */
+
+Document.prototype.isSelected = function isSelected(path) {
+  if (this.$__.selected == null) {
+    return true;
+  }
+  if (!path) {
+    return false;
+  }
+  if (path === '_id') {
+    return this.$__.selected._id !== 0;
+  }
+
+  if (path.indexOf(' ') !== -1) {
+    path = path.split(' ');
+  }
+  if (Array.isArray(path)) {
+    return path.some(p => this.$__isSelected(p));
+  }
+
+  const paths = Object.keys(this.$__.selected);
+  let inclusive = null;
+
+  if (paths.length === 1 && paths[0] === '_id') {
+    // only _id was selected.
+    return this.$__.selected._id === 0;
+  }
+
+  for (const cur of paths) {
+    if (cur === '_id') {
+      continue;
+    }
+    if (!isDefiningProjection(this.$__.selected[cur])) {
+      continue;
+    }
+    inclusive = !!this.$__.selected[cur];
+    break;
+  }
+
+  if (inclusive === null) {
+    return true;
+  }
+
+  if (path in this.$__.selected) {
+    return inclusive;
+  }
+
+  const pathDot = path + '.';
+
+  for (const cur of paths) {
+    if (cur === '_id') {
+      continue;
+    }
+
+    if (cur.startsWith(pathDot)) {
+      return inclusive || cur !== pathDot;
+    }
+
+    if (pathDot.startsWith(cur + '.')) {
+      return inclusive;
+    }
+  }
+
+  return !inclusive;
+};
+
+Document.prototype.$__isSelected = Document.prototype.isSelected;
+
+/**
+ * Checks if `path` was explicitly selected. If no projection, always returns
+ * true.
+ *
+ * #### Example:
+ *
+ *     Thing.findOne().select('nested.name').exec(function (err, doc) {
+ *        doc.isDirectSelected('nested.name') // true
+ *        doc.isDirectSelected('nested.otherName') // false
+ *        doc.isDirectSelected('nested')  // false
+ *     })
+ *
+ * @param {String} path
+ * @return {Boolean}
+ * @api public
+ */
+
+Document.prototype.isDirectSelected = function isDirectSelected(path) {
+  if (this.$__.selected == null) {
+    return true;
+  }
+
+  if (path === '_id') {
+    return this.$__.selected._id !== 0;
+  }
+
+  if (path.indexOf(' ') !== -1) {
+    path = path.split(' ');
+  }
+  if (Array.isArray(path)) {
+    return path.some(p => this.isDirectSelected(p));
+  }
+
+  const paths = Object.keys(this.$__.selected);
+  let inclusive = null;
+
+  if (paths.length === 1 && paths[0] === '_id') {
+    // only _id was selected.
+    return this.$__.selected._id === 0;
+  }
+
+  for (const cur of paths) {
+    if (cur === '_id') {
+      continue;
+    }
+    if (!isDefiningProjection(this.$__.selected[cur])) {
+      continue;
+    }
+    inclusive = !!this.$__.selected[cur];
+    break;
+  }
+
+  if (inclusive === null) {
+    return true;
+  }
+
+  if (this.$__.selected.hasOwnProperty(path)) {
+    return inclusive;
+  }
+
+  return !inclusive;
+};
+
+/**
+ * Executes registered validation rules for this document.
+ *
+ * #### Note:
+ *
+ * This method is called `pre` save and if a validation rule is violated, [save](#model_Model-save) is aborted and the error is returned to your `callback`.
+ *
+ * #### Example:
+ *
+ *     doc.validate(function (err) {
+ *       if (err) handleError(err);
+ *       else // validation passed
+ *     });
+ *
+ * @param {Array|String} [pathsToValidate] list of paths to validate. If set, Mongoose will validate only the modified paths that are in the given list.
+ * @param {Object} [options] internal options
+ * @param {Boolean} [options.validateModifiedOnly=false] if `true` mongoose validates only modified paths.
+ * @param {Array|string} [options.pathsToSkip] list of paths to skip. If set, Mongoose will validate every modified path that is not in this list.
+ * @param {Function} [callback] optional callback called after validation completes, passing an error if one occurred
+ * @return {Promise} Returns a Promise if no `callback` is given.
+ * @api public
+ */
+
+Document.prototype.validate = function(pathsToValidate, options, callback) {
+  let parallelValidate;
+  this.$op = 'validate';
+
+  if (this.$isSubdocument != null) {
+    // Skip parallel validate check for subdocuments
+  } else if (this.$__.validating) {
+    parallelValidate = new ParallelValidateError(this, {
+      parentStack: options && options.parentStack,
+      conflictStack: this.$__.validating.stack
+    });
+  } else {
+    this.$__.validating = new ParallelValidateError(this, { parentStack: options && options.parentStack });
+  }
+
+  if (arguments.length === 1) {
+    if (typeof arguments[0] === 'object' && !Array.isArray(arguments[0])) {
+      options = arguments[0];
+      callback = null;
+      pathsToValidate = null;
+    } else if (typeof arguments[0] === 'function') {
+      callback = arguments[0];
+      options = null;
+      pathsToValidate = null;
+    }
+  } else if (typeof pathsToValidate === 'function') {
+    callback = pathsToValidate;
+    options = null;
+    pathsToValidate = null;
+  } else if (typeof options === 'function') {
+    callback = options;
+    options = pathsToValidate;
+    pathsToValidate = null;
+  }
+  if (options && typeof options.pathsToSkip === 'string') {
+    const isOnePathOnly = options.pathsToSkip.indexOf(' ') === -1;
+    options.pathsToSkip = isOnePathOnly ? [options.pathsToSkip] : options.pathsToSkip.split(' ');
+  }
+
+  return promiseOrCallback(callback, cb => {
+    if (parallelValidate != null) {
+      return cb(parallelValidate);
+    }
+
+    this.$__validate(pathsToValidate, options, (error) => {
+      this.$op = null;
+      this.$__.validating = null;
+      cb(error);
+    });
+  }, this.constructor.events);
+};
+
+/**
+ * Alias of [`.validate`](#document_Document-validate)
+ *
+ * @method $validate
+ * @memberOf Document
+ * @api public
+ */
+
+Document.prototype.$validate = Document.prototype.validate;
+
+/*!
+ * ignore
+ */
+
+function _evaluateRequiredFunctions(doc) {
+  const requiredFields = Object.keys(doc.$__.activePaths.getStatePaths('require'));
+  let i = 0;
+  const len = requiredFields.length;
+  for (i = 0; i < len; ++i) {
+    const path = requiredFields[i];
+
+    const p = doc.$__schema.path(path);
+
+    if (p != null && typeof p.originalRequiredValue === 'function') {
+      doc.$__.cachedRequired = doc.$__.cachedRequired || {};
+      try {
+        doc.$__.cachedRequired[path] = p.originalRequiredValue.call(doc, doc);
+      } catch (err) {
+        doc.invalidate(path, err);
+      }
+    }
+  }
+}
+
+/*!
+ * ignore
+ */
+
+function _getPathsToValidate(doc) {
+  const skipSchemaValidators = {};
+
+  _evaluateRequiredFunctions(doc);
+  // only validate required fields when necessary
+  let paths = new Set(Object.keys(doc.$__.activePaths.getStatePaths('require')).filter(function(path) {
+    if (!doc.$__isSelected(path) && !doc.$isModified(path)) {
+      return false;
+    }
+    if (doc.$__.cachedRequired != null && path in doc.$__.cachedRequired) {
+      return doc.$__.cachedRequired[path];
+    }
+    return true;
+  }));
+
+  Object.keys(doc.$__.activePaths.getStatePaths('init')).forEach(addToPaths);
+  Object.keys(doc.$__.activePaths.getStatePaths('modify')).forEach(addToPaths);
+  Object.keys(doc.$__.activePaths.getStatePaths('default')).forEach(addToPaths);
+  function addToPaths(p) { paths.add(p); }
+
+  const subdocs = doc.$getAllSubdocs();
+  const modifiedPaths = doc.modifiedPaths();
+  for (const subdoc of subdocs) {
+    if (subdoc.$basePath) {
+      // Remove child paths for now, because we'll be validating the whole
+      // subdoc
+      const fullPathToSubdoc = subdoc.$__fullPathWithIndexes();
+
+      for (const p of paths) {
+        if (p == null || p.startsWith(fullPathToSubdoc + '.')) {
+          paths.delete(p);
+        }
+      }
+
+      if (doc.$isModified(fullPathToSubdoc, modifiedPaths) &&
+            !doc.isDirectModified(fullPathToSubdoc) &&
+            !doc.$isDefault(fullPathToSubdoc)) {
+        paths.add(fullPathToSubdoc);
+
+        skipSchemaValidators[fullPathToSubdoc] = true;
+      }
+    }
+  }
+
+  for (const path of paths) {
+    const _pathType = doc.$__schema.path(path);
+    if (!_pathType) {
+      continue;
+    }
+
+    if (_pathType.$isMongooseDocumentArray) {
+      for (const p of paths) {
+        if (p == null || p.startsWith(_pathType.path + '.')) {
+          paths.delete(p);
+        }
+      }
+    }
+
+    // Optimization: if primitive path with no validators, or array of primitives
+    // with no validators, skip validating this path entirely.
+    if (!_pathType.caster && _pathType.validators.length === 0) {
+      paths.delete(path);
+    } else if (_pathType.$isMongooseArray &&
+      !_pathType.$isMongooseDocumentArray && // Skip document arrays...
+      !_pathType.$embeddedSchemaType.$isMongooseArray && // and arrays of arrays
+      _pathType.validators.length === 0 && // and arrays with top-level validators
+      _pathType.$embeddedSchemaType.validators.length === 0) {
+      paths.delete(path);
+    }
+  }
+
+  // from here on we're not removing items from paths
+
+  // gh-661: if a whole array is modified, make sure to run validation on all
+  // the children as well
+  for (const path of paths) {
+    const _pathType = doc.$__schema.path(path);
+    if (!_pathType) {
+      continue;
+    }
+
+    if (!_pathType.$isMongooseArray ||
+        // To avoid potential performance issues, skip doc arrays whose children
+        // are not required. `getPositionalPathType()` may be slow, so avoid
+        // it unless we have a case of #6364
+        (!Array.isArray(_pathType) &&
+          _pathType.$isMongooseDocumentArray &&
+          !(_pathType && _pathType.schemaOptions && _pathType.schemaOptions.required))) {
+      continue;
+    }
+
+    // gh-11380: optimization. If the array isn't a document array and there's no validators
+    // on the array type, there's no need to run validation on the individual array elements.
+    if (_pathType.$isMongooseArray &&
+        !_pathType.$isMongooseDocumentArray && // Skip document arrays...
+        !_pathType.$embeddedSchemaType.$isMongooseArray && // and arrays of arrays
+        _pathType.$embeddedSchemaType.validators.length === 0) {
+      continue;
+    }
+
+    const val = doc.$__getValue(path);
+    _pushNestedArrayPaths(val, paths, path);
+  }
+
+  function _pushNestedArrayPaths(val, paths, path) {
+    if (val != null) {
+      const numElements = val.length;
+      for (let j = 0; j < numElements; ++j) {
+        if (Array.isArray(val[j])) {
+          _pushNestedArrayPaths(val[j], paths, path + '.' + j);
+        } else {
+          paths.add(path + '.' + j);
+        }
+      }
+    }
+  }
+
+  const flattenOptions = { skipArrays: true };
+  for (const pathToCheck of paths) {
+    if (doc.$__schema.nested[pathToCheck]) {
+      let _v = doc.$__getValue(pathToCheck);
+      if (isMongooseObject(_v)) {
+        _v = _v.toObject({ transform: false });
+      }
+      const flat = flatten(_v, pathToCheck, flattenOptions, doc.$__schema);
+      Object.keys(flat).forEach(addToPaths);
+    }
+  }
+
+  for (const path of paths) {
+    // Single nested paths (paths embedded under single nested subdocs) will
+    // be validated on their own when we call `validate()` on the subdoc itself.
+    // Re: gh-8468
+    if (doc.$__schema.singleNestedPaths.hasOwnProperty(path)) {
+      paths.delete(path);
+      continue;
+    }
+    const _pathType = doc.$__schema.path(path);
+    if (!_pathType || !_pathType.$isSchemaMap) {
+      continue;
+    }
+
+    const val = doc.$__getValue(path);
+    if (val == null) {
+      continue;
+    }
+    for (const key of val.keys()) {
+      paths.add(path + '.' + key);
+    }
+  }
+
+  paths = Array.from(paths);
+  return [paths, skipSchemaValidators];
+}
+
+/*!
+ * ignore
+ */
+
+Document.prototype.$__validate = function(pathsToValidate, options, callback) {
+  if (typeof pathsToValidate === 'function') {
+    callback = pathsToValidate;
+    options = null;
+    pathsToValidate = null;
+  } else if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+
+  const hasValidateModifiedOnlyOption = options &&
+      (typeof options === 'object') &&
+      ('validateModifiedOnly' in options);
+
+  const pathsToSkip = (options && options.pathsToSkip) || null;
+
+  let shouldValidateModifiedOnly;
+  if (hasValidateModifiedOnlyOption) {
+    shouldValidateModifiedOnly = !!options.validateModifiedOnly;
+  } else {
+    shouldValidateModifiedOnly = this.$__schema.options.validateModifiedOnly;
+  }
+
+  const _this = this;
+  const _complete = () => {
+    let validationError = this.$__.validationError;
+    this.$__.validationError = null;
+    this.$__.validating = null;
+
+    if (shouldValidateModifiedOnly && validationError != null) {
+      // Remove any validation errors that aren't from modified paths
+      const errors = Object.keys(validationError.errors);
+      for (const errPath of errors) {
+        if (!this.$isModified(errPath)) {
+          delete validationError.errors[errPath];
+        }
+      }
+      if (Object.keys(validationError.errors).length === 0) {
+        validationError = void 0;
+      }
+    }
+
+    this.$__.cachedRequired = {};
+    this.$emit('validate', _this);
+    this.constructor.emit('validate', _this);
+
+    if (validationError) {
+      for (const key in validationError.errors) {
+        // Make sure cast errors persist
+        if (!this[documentArrayParent] &&
+            validationError.errors[key] instanceof MongooseError.CastError) {
+          this.invalidate(key, validationError.errors[key]);
+        }
+      }
+
+      return validationError;
+    }
+  };
+
+  // only validate required fields when necessary
+  const pathDetails = _getPathsToValidate(this);
+  let paths = shouldValidateModifiedOnly ?
+    pathDetails[0].filter((path) => this.$isModified(path)) :
+    pathDetails[0];
+  const skipSchemaValidators = pathDetails[1];
+  if (typeof pathsToValidate === 'string') {
+    pathsToValidate = pathsToValidate.split(' ');
+  }
+  if (Array.isArray(pathsToValidate)) {
+    paths = _handlePathsToValidate(paths, pathsToValidate);
+  } else if (pathsToSkip) {
+    paths = _handlePathsToSkip(paths, pathsToSkip);
+  }
+
+  if (paths.length === 0) {
+    return immediate(function() {
+      const error = _complete();
+      if (error) {
+        return _this.$__schema.s.hooks.execPost('validate:error', _this, [_this], { error: error }, function(error) {
+          callback(error);
+        });
+      }
+      callback(null, _this);
+    });
+  }
+
+  const validated = {};
+  let total = 0;
+
+  for (const path of paths) {
+    validatePath(path);
+  }
+
+  function validatePath(path) {
+    if (path == null || validated[path]) {
+      return;
+    }
+
+    validated[path] = true;
+    total++;
+
+    immediate(function() {
+      const schemaType = _this.$__schema.path(path);
+
+      if (!schemaType) {
+        return --total || complete();
+      }
+
+      // If user marked as invalid or there was a cast error, don't validate
+      if (!_this.$isValid(path)) {
+        --total || complete();
+        return;
+      }
+
+      // If setting a path under a mixed path, avoid using the mixed path validator (gh-10141)
+      if (schemaType[schemaMixedSymbol] != null && path !== schemaType.path) {
+        return --total || complete();
+      }
+
+      let val = _this.$__getValue(path);
+
+      // If you `populate()` and get back a null value, required validators
+      // shouldn't fail (gh-8018). We should always fall back to the populated
+      // value.
+      let pop;
+      if ((pop = _this.$populated(path))) {
+        val = pop;
+      } else if (val != null && val.$__ != null && val.$__.wasPopulated) {
+        // Array paths, like `somearray.1`, do not show up as populated with `$populated()`,
+        // so in that case pull out the document's id
+        val = val._id;
+      }
+      const scope = _this.$__.pathsToScopes != null && path in _this.$__.pathsToScopes ?
+        _this.$__.pathsToScopes[path] :
+        _this;
+
+      const doValidateOptions = {
+        skipSchemaValidators: skipSchemaValidators[path],
+        path: path,
+        validateModifiedOnly: shouldValidateModifiedOnly
+      };
+
+      schemaType.doValidate(val, function(err) {
+        if (err) {
+          const isSubdoc = schemaType.$isSingleNested ||
+            schemaType.$isArraySubdocument ||
+            schemaType.$isMongooseDocumentArray;
+          if (isSubdoc && err instanceof ValidationError) {
+            return --total || complete();
+          }
+          _this.invalidate(path, err, undefined, true);
+        }
+        --total || complete();
+      }, scope, doValidateOptions);
+    });
+  }
+
+  function complete() {
+    const error = _complete();
+    if (error) {
+      return _this.$__schema.s.hooks.execPost('validate:error', _this, [_this], { error: error }, function(error) {
+        callback(error);
+      });
+    }
+    callback(null, _this);
+  }
+
+};
+
+/*!
+ * ignore
+ */
+
+function _handlePathsToValidate(paths, pathsToValidate) {
+  const _pathsToValidate = new Set(pathsToValidate);
+  const parentPaths = new Map([]);
+  for (const path of pathsToValidate) {
+    if (path.indexOf('.') === -1) {
+      continue;
+    }
+    const pieces = path.split('.');
+    let cur = pieces[0];
+    for (let i = 1; i < pieces.length; ++i) {
+      // Since we skip subpaths under single nested subdocs to
+      // avoid double validation, we need to add back the
+      // single nested subpath if the user asked for it (gh-8626)
+      parentPaths.set(cur, path);
+      cur = cur + '.' + pieces[i];
+    }
+  }
+
+  const ret = [];
+  for (const path of paths) {
+    if (_pathsToValidate.has(path)) {
+      ret.push(path);
+    } else if (parentPaths.has(path)) {
+      ret.push(parentPaths.get(path));
+    }
+  }
+  return ret;
+}
+
+/*!
+ * ignore
+ */
+
+function _handlePathsToSkip(paths, pathsToSkip) {
+  pathsToSkip = new Set(pathsToSkip);
+  paths = paths.filter(p => !pathsToSkip.has(p));
+  return paths;
+}
+
+/**
+ * Executes registered validation rules (skipping asynchronous validators) for this document.
+ *
+ * #### Note:
+ *
+ * This method is useful if you need synchronous validation.
+ *
+ * #### Example:
+ *
+ *     const err = doc.validateSync();
+ *     if (err) {
+ *       handleError(err);
+ *     } else {
+ *       // validation passed
+ *     }
+ *
+ * @param {Array|string} [pathsToValidate] only validate the given paths
+ * @param {Object} [options] options for validation
+ * @param {Boolean} [options.validateModifiedOnly=false] If `true`, Mongoose will only validate modified paths, as opposed to modified paths and `required` paths.
+ * @param {Array|string} [options.pathsToSkip] list of paths to skip. If set, Mongoose will validate every modified path that is not in this list.
+ * @return {ValidationError|undefined} ValidationError if there are errors during validation, or undefined if there is no error.
+ * @api public
+ */
+
+Document.prototype.validateSync = function(pathsToValidate, options) {
+  const _this = this;
+
+  if (arguments.length === 1 && typeof arguments[0] === 'object' && !Array.isArray(arguments[0])) {
+    options = arguments[0];
+    pathsToValidate = null;
+  }
+
+  const hasValidateModifiedOnlyOption = options &&
+      (typeof options === 'object') &&
+      ('validateModifiedOnly' in options);
+
+  let shouldValidateModifiedOnly;
+  if (hasValidateModifiedOnlyOption) {
+    shouldValidateModifiedOnly = !!options.validateModifiedOnly;
+  } else {
+    shouldValidateModifiedOnly = this.$__schema.options.validateModifiedOnly;
+  }
+
+  let pathsToSkip = options && options.pathsToSkip;
+
+  if (typeof pathsToValidate === 'string') {
+    const isOnePathOnly = pathsToValidate.indexOf(' ') === -1;
+    pathsToValidate = isOnePathOnly ? [pathsToValidate] : pathsToValidate.split(' ');
+  } else if (typeof pathsToSkip === 'string' && pathsToSkip.indexOf(' ') !== -1) {
+    pathsToSkip = pathsToSkip.split(' ');
+  }
+
+  // only validate required fields when necessary
+  const pathDetails = _getPathsToValidate(this);
+  let paths = shouldValidateModifiedOnly ?
+    pathDetails[0].filter((path) => this.$isModified(path)) :
+    pathDetails[0];
+  const skipSchemaValidators = pathDetails[1];
+
+  if (Array.isArray(pathsToValidate)) {
+    paths = _handlePathsToValidate(paths, pathsToValidate);
+  } else if (Array.isArray(pathsToSkip)) {
+    paths = _handlePathsToSkip(paths, pathsToSkip);
+  }
+  const validating = {};
+
+  for (let i = 0, len = paths.length; i < len; ++i) {
+    const path = paths[i];
+
+    if (validating[path]) {
+      continue;
+    }
+
+    validating[path] = true;
+
+    const p = _this.$__schema.path(path);
+    if (!p) {
+      continue;
+    }
+    if (!_this.$isValid(path)) {
+      continue;
+    }
+
+    const val = _this.$__getValue(path);
+    const err = p.doValidateSync(val, _this, {
+      skipSchemaValidators: skipSchemaValidators[path],
+      path: path,
+      validateModifiedOnly: shouldValidateModifiedOnly
+    });
+    if (err) {
+      const isSubdoc = p.$isSingleNested ||
+        p.$isArraySubdocument ||
+        p.$isMongooseDocumentArray;
+      if (isSubdoc && err instanceof ValidationError) {
+        continue;
+      }
+      _this.invalidate(path, err, undefined, true);
+    }
+  }
+
+  const err = _this.$__.validationError;
+  _this.$__.validationError = undefined;
+  _this.$emit('validate', _this);
+  _this.constructor.emit('validate', _this);
+
+  if (err) {
+    for (const key in err.errors) {
+      // Make sure cast errors persist
+      if (err.errors[key] instanceof MongooseError.CastError) {
+        _this.invalidate(key, err.errors[key]);
+      }
+    }
+  }
+
+  return err;
+};
+
+/**
+ * Marks a path as invalid, causing validation to fail.
+ *
+ * The `errorMsg` argument will become the message of the `ValidationError`.
+ *
+ * The `value` argument (if passed) will be available through the `ValidationError.value` property.
+ *
+ *     doc.invalidate('size', 'must be less than 20', 14);
+ *
+ *     doc.validate(function (err) {
+ *       console.log(err)
+ *       // prints
+ *       { message: 'Validation failed',
+ *         name: 'ValidationError',
+ *         errors:
+ *          { size:
+ *             { message: 'must be less than 20',
+ *               name: 'ValidatorError',
+ *               path: 'size',
+ *               type: 'user defined',
+ *               value: 14 } } }
+ *     })
+ *
+ * @param {String} path the field to invalidate. For array elements, use the `array.i.field` syntax, where `i` is the 0-based index in the array.
+ * @param {String|Error} err the error which states the reason `path` was invalid
+ * @param {Object|String|Number|any} val optional invalid value
+ * @param {String} [kind] optional `kind` property for the error
+ * @return {ValidationError} the current ValidationError, with all currently invalidated paths
+ * @api public
+ */
+
+Document.prototype.invalidate = function(path, err, val, kind) {
+  if (!this.$__.validationError) {
+    this.$__.validationError = new ValidationError(this);
+  }
+
+  if (this.$__.validationError.errors[path]) {
+    return;
+  }
+
+  if (!err || typeof err === 'string') {
+    err = new ValidatorError({
+      path: path,
+      message: err,
+      type: kind || 'user defined',
+      value: val
+    });
+  }
+
+  if (this.$__.validationError === err) {
+    return this.$__.validationError;
+  }
+
+  this.$__.validationError.addError(path, err);
+  return this.$__.validationError;
+};
+
+/**
+ * Marks a path as valid, removing existing validation errors.
+ *
+ * @param {String} path the field to mark as valid
+ * @api public
+ * @memberOf Document
+ * @instance
+ * @method $markValid
+ */
+
+Document.prototype.$markValid = function(path) {
+  if (!this.$__.validationError || !this.$__.validationError.errors[path]) {
+    return;
+  }
+
+  delete this.$__.validationError.errors[path];
+  if (Object.keys(this.$__.validationError.errors).length === 0) {
+    this.$__.validationError = null;
+  }
+};
+
+/*!
+ * ignore
+ */
+
+function _markValidSubpaths(doc, path) {
+  if (!doc.$__.validationError) {
+    return;
+  }
+
+  const keys = Object.keys(doc.$__.validationError.errors);
+  for (const key of keys) {
+    if (key.startsWith(path + '.')) {
+      delete doc.$__.validationError.errors[key];
+    }
+  }
+  if (Object.keys(doc.$__.validationError.errors).length === 0) {
+    doc.$__.validationError = null;
+  }
+}
+
+/*!
+ * ignore
+ */
+
+function _checkImmutableSubpaths(subdoc, schematype, priorVal) {
+  const schema = schematype.schema;
+  if (schema == null) {
+    return;
+  }
+
+  for (const key of Object.keys(schema.paths)) {
+    const path = schema.paths[key];
+    if (path.$immutableSetter == null) {
+      continue;
+    }
+    const oldVal = priorVal == null ? void 0 : priorVal.$__getValue(key);
+    // Calling immutableSetter with `oldVal` even though it expects `newVal`
+    // is intentional. That's because `$immutableSetter` compares its param
+    // to the current value.
+    path.$immutableSetter.call(subdoc, oldVal);
+  }
+}
+
+/**
+ * Saves this document by inserting a new document into the database if [document.isNew](/docs/api.html#document_Document-isNew) is `true`,
+ * or sends an [updateOne](/docs/api.html#document_Document-updateOne) operation **only** with the modifications to the database, it does not replace the whole document in the latter case.
+ *
+ * #### Example:
+ *
+ *     product.sold = Date.now();
+ *     product = await product.save();
+ *
+ * If save is successful, the returned promise will fulfill with the document
+ * saved.
+ *
+ * #### Example:
+ *
+ *     const newProduct = await product.save();
+ *     newProduct === product; // true
+ *
+ * @param {Object} [options] options optional options
+ * @param {Session} [options.session=null] the [session](https://docs.mongodb.com/manual/reference/server-sessions/) associated with this save operation. If not specified, defaults to the [document's associated session](api.html#document_Document-$session).
+ * @param {Object} [options.safe] (DEPRECATED) overrides [schema's safe option](https://mongoosejs.com//docs/guide.html#safe). Use the `w` option instead.
+ * @param {Boolean} [options.validateBeforeSave] set to false to save without validating.
+ * @param {Boolean} [options.validateModifiedOnly=false] If `true`, Mongoose will only validate modified paths, as opposed to modified paths and `required` paths.
+ * @param {Number|String} [options.w] set the [write concern](https://docs.mongodb.com/manual/reference/write-concern/#w-option). Overrides the [schema-level `writeConcern` option](/docs/guide.html#writeConcern)
+ * @param {Boolean} [options.j] set to true for MongoDB to wait until this `save()` has been [journaled before resolving the returned promise](https://docs.mongodb.com/manual/reference/write-concern/#j-option). Overrides the [schema-level `writeConcern` option](/docs/guide.html#writeConcern)
+ * @param {Number} [options.wtimeout] sets a [timeout for the write concern](https://docs.mongodb.com/manual/reference/write-concern/#wtimeout). Overrides the [schema-level `writeConcern` option](/docs/guide.html#writeConcern).
+ * @param {Boolean} [options.checkKeys=true] the MongoDB driver prevents you from saving keys that start with '$' or contain '.' by default. Set this option to `false` to skip that check. See [restrictions on field names](https://docs.mongodb.com/manual/reference/limits/#Restrictions-on-Field-Names)
+ * @param {Boolean} [options.timestamps=true] if `false` and [timestamps](./guide.html#timestamps) are enabled, skip timestamps for this `save()`.
+ * @param {Function} [fn] optional callback
+ * @method save
+ * @memberOf Document
+ * @instance
+ * @throws {DocumentNotFoundError} if this [save updates an existing document](api.html#document_Document-isNew) but the document doesn't exist in the database. For example, you will get this error if the document is [deleted between when you retrieved the document and when you saved it](documents.html#updating).
+ * @return {Promise|undefined} Returns undefined if used with callback or a Promise otherwise.
+ * @api public
+ * @see middleware https://mongoosejs.com/docs/middleware.html
+ */
+
+/**
+ * Checks if a path is invalid
+ *
+ * @param {String|String[]} [path] the field to check. If unset will always return "false"
+ * @method $isValid
+ * @memberOf Document
+ * @instance
+ * @api private
+ */
+
+Document.prototype.$isValid = function(path) {
+  if (this.$__.validationError == null || Object.keys(this.$__.validationError.errors).length === 0) {
+    return true;
+  }
+  if (path == null) {
+    return false;
+  }
+
+  if (path.indexOf(' ') !== -1) {
+    path = path.split(' ');
+  }
+  if (Array.isArray(path)) {
+    return path.some(p => this.$__.validationError.errors[p] == null);
+  }
+
+  return this.$__.validationError.errors[path] == null;
+};
+
+/**
+ * Resets the internal modified state of this document.
+ *
+ * @api private
+ * @return {Document} this
+ * @method $__reset
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$__reset = function reset() {
+  let _this = this;
+
+  // Skip for subdocuments
+  const subdocs = this.$parent() === this ? this.$getAllSubdocs() : [];
+  const resetArrays = new Set();
+  for (const subdoc of subdocs) {
+    const fullPathWithIndexes = subdoc.$__fullPathWithIndexes();
+    if (this.isModified(fullPathWithIndexes) || isParentInit(fullPathWithIndexes)) {
+      subdoc.$__reset();
+      if (subdoc.$isDocumentArrayElement) {
+        if (!resetArrays.has(subdoc.parentArray())) {
+          const array = subdoc.parentArray();
+          this.$__.activePaths.clearPath(fullPathWithIndexes.replace(/\.\d+$/, '').slice(-subdoc.$basePath - 1));
+          array[arrayAtomicsBackupSymbol] = array[arrayAtomicsSymbol];
+          array[arrayAtomicsSymbol] = {};
+
+          resetArrays.add(array);
+        }
+      } else {
+        if (subdoc.$parent() === this) {
+          this.$__.activePaths.clearPath(subdoc.$basePath);
+        } else if (subdoc.$parent() != null && subdoc.$parent().$isSubdocument) {
+          // If map path underneath subdocument, may end up with a case where
+          // map path is modified but parent still needs to be reset. See gh-10295
+          subdoc.$parent().$__reset();
+        }
+      }
+    }
+  }
+
+  function isParentInit(path) {
+    path = path.indexOf('.') === -1 ? [path] : path.split('.');
+    let cur = '';
+    for (let i = 0; i < path.length; ++i) {
+      cur += (cur.length ? '.' : '') + path[i];
+      if (_this.$__.activePaths[cur] === 'init') {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  // clear atomics
+  this.$__dirty().forEach(function(dirt) {
+    const type = dirt.value;
+
+    if (type && type[arrayAtomicsSymbol]) {
+      type[arrayAtomicsBackupSymbol] = type[arrayAtomicsSymbol];
+      type[arrayAtomicsSymbol] = {};
+    }
+  });
+
+  this.$__.backup = {};
+  this.$__.backup.activePaths = {
+    modify: Object.assign({}, this.$__.activePaths.getStatePaths('modify')),
+    default: Object.assign({}, this.$__.activePaths.getStatePaths('default'))
+  };
+  this.$__.backup.validationError = this.$__.validationError;
+  this.$__.backup.errors = this.$errors;
+
+  // Clear 'dirty' cache
+  this.$__.activePaths.clear('modify');
+  this.$__.activePaths.clear('default');
+  this.$__.validationError = undefined;
+  this.$errors = undefined;
+  _this = this;
+  this.$__schema.requiredPaths().forEach(function(path) {
+    _this.$__.activePaths.require(path);
+  });
+
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+Document.prototype.$__undoReset = function $__undoReset() {
+  if (this.$__.backup == null || this.$__.backup.activePaths == null) {
+    return;
+  }
+
+  this.$__.activePaths.states.modify = this.$__.backup.activePaths.modify;
+  this.$__.activePaths.states.default = this.$__.backup.activePaths.default;
+
+  this.$__.validationError = this.$__.backup.validationError;
+  this.$errors = this.$__.backup.errors;
+
+  for (const dirt of this.$__dirty()) {
+    const type = dirt.value;
+
+    if (type && type[arrayAtomicsSymbol] && type[arrayAtomicsBackupSymbol]) {
+      type[arrayAtomicsSymbol] = type[arrayAtomicsBackupSymbol];
+    }
+  }
+
+  for (const subdoc of this.$getAllSubdocs()) {
+    subdoc.$__undoReset();
+  }
+};
+
+/**
+ * Returns this documents dirty paths / vals.
+ *
+ * @return {Array}
+ * @api private
+ * @method $__dirty
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$__dirty = function() {
+  const _this = this;
+  let all = this.$__.activePaths.map('modify', function(path) {
+    return {
+      path: path,
+      value: _this.$__getValue(path),
+      schema: _this.$__path(path)
+    };
+  });
+  // gh-2558: if we had to set a default and the value is not undefined,
+  // we have to save as well
+  all = all.concat(this.$__.activePaths.map('default', function(path) {
+    if (path === '_id' || _this.$__getValue(path) == null) {
+      return;
+    }
+    return {
+      path: path,
+      value: _this.$__getValue(path),
+      schema: _this.$__path(path)
+    };
+  }));
+
+  const allPaths = new Map(all.filter((el) => el != null).map((el) => [el.path, el.value]));
+  // Ignore "foo.a" if "foo" is dirty already.
+  const minimal = [];
+
+  all.forEach(function(item) {
+    if (!item) {
+      return;
+    }
+
+    let top = null;
+
+    const array = parentPaths(item.path);
+    for (let i = 0; i < array.length - 1; i++) {
+      if (allPaths.has(array[i])) {
+        top = allPaths.get(array[i]);
+        break;
+      }
+    }
+    if (top == null) {
+      minimal.push(item);
+    } else if (top != null &&
+        top[arrayAtomicsSymbol] != null &&
+        top.hasAtomics()) {
+      // special case for top level MongooseArrays
+      // the `top` array itself and a sub path of `top` are being set.
+      // the only way to honor all of both modifications is through a $set
+      // of entire array.
+      top[arrayAtomicsSymbol] = {};
+      top[arrayAtomicsSymbol].$set = top;
+    }
+  });
+  return minimal;
+};
+
+/**
+ * Assigns/compiles `schema` into this documents prototype.
+ *
+ * @param {Schema} schema
+ * @api private
+ * @method $__setSchema
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$__setSchema = function(schema) {
+  compile(schema.tree, this, undefined, schema.options);
+
+  // Apply default getters if virtual doesn't have any (gh-6262)
+  for (const key of Object.keys(schema.virtuals)) {
+    schema.virtuals[key]._applyDefaultGetters();
+  }
+  if (schema.path('schema') == null) {
+    this.schema = schema;
+  }
+  this.$__schema = schema;
+  this[documentSchemaSymbol] = schema;
+};
+
+
+/**
+ * Get active path that were changed and are arrays
+ *
+ * @return {Array}
+ * @api private
+ * @method $__getArrayPathsToValidate
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$__getArrayPathsToValidate = function() {
+  DocumentArray || (DocumentArray = require('./types/DocumentArray'));
+
+  // validate all document arrays.
+  return this.$__.activePaths
+    .map('init', 'modify', function(i) {
+      return this.$__getValue(i);
+    }.bind(this))
+    .filter(function(val) {
+      return val && Array.isArray(val) && utils.isMongooseDocumentArray(val) && val.length;
+    }).reduce(function(seed, array) {
+      return seed.concat(array);
+    }, [])
+    .filter(function(doc) {
+      return doc;
+    });
+};
+
+
+/**
+ * Get all subdocs (by bfs)
+ *
+ * @return {Array}
+ * @api public
+ * @method $getAllSubdocs
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$getAllSubdocs = function() {
+  DocumentArray || (DocumentArray = require('./types/DocumentArray'));
+  Embedded = Embedded || require('./types/ArraySubdocument');
+
+  function docReducer(doc, seed, path) {
+    let val = doc;
+    let isNested = false;
+    if (path) {
+      if (doc instanceof Document && doc[documentSchemaSymbol].paths[path]) {
+        val = doc._doc[path];
+      } else if (doc instanceof Document && doc[documentSchemaSymbol].nested[path]) {
+        val = doc._doc[path];
+        isNested = true;
+      } else {
+        val = doc[path];
+      }
+    }
+    if (val instanceof Embedded) {
+      seed.push(val);
+    } else if (val instanceof Map) {
+      seed = Array.from(val.keys()).reduce(function(seed, path) {
+        return docReducer(val.get(path), seed, null);
+      }, seed);
+    } else if (val && !Array.isArray(val) && val.$isSingleNested) {
+      seed = Object.keys(val._doc).reduce(function(seed, path) {
+        return docReducer(val, seed, path);
+      }, seed);
+      seed.push(val);
+    } else if (val && utils.isMongooseDocumentArray(val)) {
+      val.forEach(function _docReduce(doc) {
+        if (!doc || !doc._doc) {
+          return;
+        }
+        seed = Object.keys(doc._doc).reduce(function(seed, path) {
+          return docReducer(doc._doc, seed, path);
+        }, seed);
+        if (doc instanceof Embedded) {
+          seed.push(doc);
+        }
+      });
+    } else if (isNested && val != null) {
+      for (const path of Object.keys(val)) {
+        docReducer(val, seed, path);
+      }
+    }
+    return seed;
+  }
+
+  const subDocs = [];
+  for (const path of Object.keys(this._doc)) {
+    docReducer(this, subDocs, path);
+  }
+
+  return subDocs;
+};
+
+/*!
+ * Runs queued functions
+ */
+
+function applyQueue(doc) {
+  const q = doc.$__schema && doc.$__schema.callQueue;
+  if (!q.length) {
+    return;
+  }
+
+  for (const pair of q) {
+    if (pair[0] !== 'pre' && pair[0] !== 'post' && pair[0] !== 'on') {
+      doc[pair[0]].apply(doc, pair[1]);
+    }
+  }
+}
+
+/*!
+ * ignore
+ */
+
+Document.prototype.$__handleReject = function handleReject(err) {
+  // emit on the Model if listening
+  if (this.$listeners('error').length) {
+    this.$emit('error', err);
+  } else if (this.constructor.listeners && this.constructor.listeners('error').length) {
+    this.constructor.emit('error', err);
+  }
+};
+
+/**
+ * Internal helper for toObject() and toJSON() that doesn't manipulate options
+ *
+ * @return {Object}
+ * @api private
+ * @method $toObject
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$toObject = function(options, json) {
+  let defaultOptions = {
+    transform: true,
+    flattenDecimals: true
+  };
+
+  const path = json ? 'toJSON' : 'toObject';
+  const baseOptions = this.constructor &&
+    this.constructor.base &&
+    this.constructor.base.options &&
+    get(this.constructor.base.options, path) || {};
+  const schemaOptions = this.$__schema && this.$__schema.options || {};
+  // merge base default options with Schema's set default options if available.
+  // `clone` is necessary here because `utils.options` directly modifies the second input.
+  defaultOptions = utils.options(defaultOptions, clone(baseOptions));
+  defaultOptions = utils.options(defaultOptions, clone(schemaOptions[path] || {}));
+
+  // If options do not exist or is not an object, set it to empty object
+  options = utils.isPOJO(options) ? { ...options } : {};
+  options._calledWithOptions = options._calledWithOptions || { ...options };
+
+  let _minimize;
+  if (options._calledWithOptions.minimize != null) {
+    _minimize = options.minimize;
+  } else if (defaultOptions.minimize != null) {
+    _minimize = defaultOptions.minimize;
+  } else {
+    _minimize = schemaOptions.minimize;
+  }
+
+  let flattenMaps;
+  if (options._calledWithOptions.flattenMaps != null) {
+    flattenMaps = options.flattenMaps;
+  } else if (defaultOptions.flattenMaps != null) {
+    flattenMaps = defaultOptions.flattenMaps;
+  } else {
+    flattenMaps = schemaOptions.flattenMaps;
+  }
+
+  // The original options that will be passed to `clone()`. Important because
+  // `clone()` will recursively call `$toObject()` on embedded docs, so we
+  // need the original options the user passed in, plus `_isNested` and
+  // `_parentOptions` for checking whether we need to depopulate.
+  const cloneOptions = Object.assign({}, options, {
+    _isNested: true,
+    json: json,
+    minimize: _minimize,
+    flattenMaps: flattenMaps,
+    _seen: (options && options._seen) || new Map()
+  });
+
+  if (utils.hasUserDefinedProperty(options, 'getters')) {
+    cloneOptions.getters = options.getters;
+  }
+  if (utils.hasUserDefinedProperty(options, 'virtuals')) {
+    cloneOptions.virtuals = options.virtuals;
+  }
+
+  const depopulate = options.depopulate ||
+    (options._parentOptions && options._parentOptions.depopulate || false);
+  // _isNested will only be true if this is not the top level document, we
+  // should never depopulate the top-level document
+  if (depopulate && options._isNested && this.$__.wasPopulated) {
+    return clone(this.$__.wasPopulated.value || this._id, cloneOptions);
+  }
+
+  // merge default options with input options.
+  options = utils.options(defaultOptions, options);
+  options._isNested = true;
+  options.json = json;
+  options.minimize = _minimize;
+
+  cloneOptions._parentOptions = options;
+  cloneOptions._skipSingleNestedGetters = false;
+
+  const gettersOptions = Object.assign({}, cloneOptions);
+  gettersOptions._skipSingleNestedGetters = true;
+
+  // remember the root transform function
+  // to save it from being overwritten by sub-transform functions
+  const originalTransform = options.transform;
+
+  let ret = clone(this._doc, cloneOptions) || {};
+
+  if (options.getters) {
+    applyGetters(this, ret, gettersOptions);
+
+    if (options.minimize) {
+      ret = minimize(ret) || {};
+    }
+  }
+
+  if (options.virtuals || (options.getters && options.virtuals !== false)) {
+    applyVirtuals(this, ret, gettersOptions, options);
+  }
+
+  if (options.versionKey === false && this.$__schema.options.versionKey) {
+    delete ret[this.$__schema.options.versionKey];
+  }
+
+  let transform = options.transform;
+
+  // In the case where a subdocument has its own transform function, we need to
+  // check and see if the parent has a transform (options.transform) and if the
+  // child schema has a transform (this.schema.options.toObject) In this case,
+  // we need to adjust options.transform to be the child schema's transform and
+  // not the parent schema's
+  if (transform) {
+    applySchemaTypeTransforms(this, ret);
+  }
+
+  if (options.useProjection) {
+    omitDeselectedFields(this, ret);
+  }
+
+  if (transform === true || (schemaOptions.toObject && transform)) {
+    const opts = options.json ? schemaOptions.toJSON : schemaOptions.toObject;
+
+    if (opts) {
+      transform = (typeof options.transform === 'function' ? options.transform : opts.transform);
+    }
+  } else {
+    options.transform = originalTransform;
+  }
+
+  if (typeof transform === 'function') {
+    const xformed = transform(this, ret, options);
+    if (typeof xformed !== 'undefined') {
+      ret = xformed;
+    }
+  }
+
+  return ret;
+};
+
+/**
+ * Converts this document into a plain-old JavaScript object ([POJO](https://masteringjs.io/tutorials/fundamentals/pojo)).
+ *
+ * Buffers are converted to instances of [mongodb.Binary](https://mongodb.github.io/node-mongodb-native/4.9/classes/Binary.html) for proper storage.
+ *
+ * #### Getters/Virtuals
+ *
+ * Example of only applying path getters
+ *
+ *     doc.toObject({ getters: true, virtuals: false })
+ *
+ * Example of only applying virtual getters
+ *
+ *     doc.toObject({ virtuals: true })
+ *
+ * Example of applying both path and virtual getters
+ *
+ *     doc.toObject({ getters: true })
+ *
+ * To apply these options to every document of your schema by default, set your [schemas](#schema_Schema) `toObject` option to the same argument.
+ *
+ *     schema.set('toObject', { virtuals: true })
+ *
+ * #### Transform:
+ *
+ * We may need to perform a transformation of the resulting object based on some criteria, say to remove some sensitive information or return a custom object. In this case we set the optional `transform` function.
+ *
+ * Transform functions receive three arguments
+ *
+ *     function (doc, ret, options) {}
+ *
+ * - `doc` The mongoose document which is being converted
+ * - `ret` The plain object representation which has been converted
+ * - `options` The options in use (either schema options or the options passed inline)
+ *
+ * #### Example:
+ *
+ *     // specify the transform schema option
+ *     if (!schema.options.toObject) schema.options.toObject = {};
+ *     schema.options.toObject.transform = function (doc, ret, options) {
+ *       // remove the _id of every document before returning the result
+ *       delete ret._id;
+ *       return ret;
+ *     }
+ *
+ *     // without the transformation in the schema
+ *     doc.toObject(); // { _id: 'anId', name: 'Wreck-it Ralph' }
+ *
+ *     // with the transformation
+ *     doc.toObject(); // { name: 'Wreck-it Ralph' }
+ *
+ * With transformations we can do a lot more than remove properties. We can even return completely new customized objects:
+ *
+ *     if (!schema.options.toObject) schema.options.toObject = {};
+ *     schema.options.toObject.transform = function (doc, ret, options) {
+ *       return { movie: ret.name }
+ *     }
+ *
+ *     // without the transformation in the schema
+ *     doc.toObject(); // { _id: 'anId', name: 'Wreck-it Ralph' }
+ *
+ *     // with the transformation
+ *     doc.toObject(); // { movie: 'Wreck-it Ralph' }
+ *
+ * _Note: if a transform function returns `undefined`, the return value will be ignored._
+ *
+ * Transformations may also be applied inline, overridding any transform set in the options:
+ *
+ *     function xform (doc, ret, options) {
+ *       return { inline: ret.name, custom: true }
+ *     }
+ *
+ *     // pass the transform as an inline option
+ *     doc.toObject({ transform: xform }); // { inline: 'Wreck-it Ralph', custom: true }
+ *
+ * If you want to skip transformations, use `transform: false`:
+ *
+ *     schema.options.toObject.hide = '_id';
+ *     schema.options.toObject.transform = function (doc, ret, options) {
+ *       if (options.hide) {
+ *         options.hide.split(' ').forEach(function (prop) {
+ *           delete ret[prop];
+ *         });
+ *       }
+ *       return ret;
+ *     }
+ *
+ *     const doc = new Doc({ _id: 'anId', secret: 47, name: 'Wreck-it Ralph' });
+ *     doc.toObject();                                        // { secret: 47, name: 'Wreck-it Ralph' }
+ *     doc.toObject({ hide: 'secret _id', transform: false });// { _id: 'anId', secret: 47, name: 'Wreck-it Ralph' }
+ *     doc.toObject({ hide: 'secret _id', transform: true }); // { name: 'Wreck-it Ralph' }
+ *
+ * If you pass a transform in `toObject()` options, Mongoose will apply the transform
+ * to [subdocuments](/docs/subdocs.html) in addition to the top-level document.
+ * Similarly, `transform: false` skips transforms for all subdocuments.
+ * Note that this behavior is different for transforms defined in the schema:
+ * if you define a transform in `schema.options.toObject.transform`, that transform
+ * will **not** apply to subdocuments.
+ *
+ *     const memberSchema = new Schema({ name: String, email: String });
+ *     const groupSchema = new Schema({ members: [memberSchema], name: String, email });
+ *     const Group = mongoose.model('Group', groupSchema);
+ *
+ *     const doc = new Group({
+ *       name: 'Engineering',
+ *       email: 'dev@mongoosejs.io',
+ *       members: [{ name: 'Val', email: 'val@mongoosejs.io' }]
+ *     });
+ *
+ *     // Removes `email` from both top-level document **and** array elements
+ *     // { name: 'Engineering', members: [{ name: 'Val' }] }
+ *     doc.toObject({ transform: (doc, ret) => { delete ret.email; return ret; } });
+ *
+ * Transforms, like all of these options, are also available for `toJSON`. See [this guide to `JSON.stringify()`](https://thecodebarbarian.com/the-80-20-guide-to-json-stringify-in-javascript.html) to learn why `toJSON()` and `toObject()` are separate functions.
+ *
+ * See [schema options](/docs/guide.html#toObject) for some more details.
+ *
+ * _During save, no custom options are applied to the document before being sent to the database._
+ *
+ * @param {Object} [options]
+ * @param {Boolean} [options.getters=false] if true, apply all getters, including virtuals
+ * @param {Boolean} [options.virtuals=false] if true, apply virtuals, including aliases. Use `{ getters: true, virtuals: false }` to just apply getters, not virtuals
+ * @param {Boolean} [options.aliases=true] if `options.virtuals = true`, you can set `options.aliases = false` to skip applying aliases. This option is a no-op if `options.virtuals = false`.
+ * @param {Boolean} [options.minimize=true] if true, omit any empty objects from the output
+ * @param {Function|null} [options.transform=null] if set, mongoose will call this function to allow you to transform the returned object
+ * @param {Boolean} [options.depopulate=false] if true, replace any conventionally populated paths with the original id in the output. Has no affect on virtual populated paths.
+ * @param {Boolean} [options.versionKey=true] if false, exclude the version key (`__v` by default) from the output
+ * @param {Boolean} [options.flattenMaps=false] if true, convert Maps to POJOs. Useful if you want to `JSON.stringify()` the result of `toObject()`.
+ * @param {Boolean} [options.useProjection=false] - If true, omits fields that are excluded in this document's projection. Unless you specified a projection, this will omit any field that has `select: false` in the schema.
+ * @return {Object} js object (not a POJO)
+ * @see mongodb.Binary https://mongodb.github.io/node-mongodb-native/4.9/classes/Binary.html
+ * @api public
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.toObject = function(options) {
+  return this.$toObject(options);
+};
+
+/**
+ * Minimizes an object, removing undefined values and empty objects
+ *
+ * @param {Object} object to minimize
+ * @return {Object}
+ * @api private
+ */
+
+function minimize(obj) {
+  const keys = Object.keys(obj);
+  let i = keys.length;
+  let hasKeys;
+  let key;
+  let val;
+
+  while (i--) {
+    key = keys[i];
+    val = obj[key];
+
+    if (utils.isPOJO(val)) {
+      obj[key] = minimize(val);
+    }
+
+    if (undefined === obj[key]) {
+      delete obj[key];
+      continue;
+    }
+
+    hasKeys = true;
+  }
+
+  return hasKeys
+    ? obj
+    : undefined;
+}
+
+/*!
+ * Applies virtuals properties to `json`.
+ */
+
+function applyVirtuals(self, json, options, toObjectOptions) {
+  const schema = self.$__schema;
+  const paths = Object.keys(schema.virtuals);
+  let i = paths.length;
+  const numPaths = i;
+  let path;
+  let assignPath;
+  let cur = self._doc;
+  let v;
+  const aliases = typeof (toObjectOptions && toObjectOptions.aliases) === 'boolean'
+    ? toObjectOptions.aliases
+    : true;
+
+  let virtualsToApply = null;
+  if (Array.isArray(options.virtuals)) {
+    virtualsToApply = new Set(options.virtuals);
+  }
+  else if (options.virtuals && options.virtuals.pathsToSkip) {
+    virtualsToApply = new Set(paths);
+    for (let i = 0; i < options.virtuals.pathsToSkip.length; i++) {
+      if (virtualsToApply.has(options.virtuals.pathsToSkip[i])) {
+        virtualsToApply.delete(options.virtuals.pathsToSkip[i]);
+      }
+    }
+  }
+
+  if (!cur) {
+    return json;
+  }
+
+  options = options || {};
+  for (i = 0; i < numPaths; ++i) {
+    path = paths[i];
+
+    if (virtualsToApply != null && !virtualsToApply.has(path)) {
+      continue;
+    }
+
+    // Allow skipping aliases with `toObject({ virtuals: true, aliases: false })`
+    if (!aliases && schema.aliases.hasOwnProperty(path)) {
+      continue;
+    }
+
+    // We may be applying virtuals to a nested object, for example if calling
+    // `doc.nestedProp.toJSON()`. If so, the path we assign to, `assignPath`,
+    // will be a trailing substring of the `path`.
+    assignPath = path;
+    if (options.path != null) {
+      if (!path.startsWith(options.path + '.')) {
+        continue;
+      }
+      assignPath = path.substring(options.path.length + 1);
+    }
+    const parts = assignPath.split('.');
+    v = clone(self.get(path), options);
+    if (v === void 0) {
+      continue;
+    }
+    const plen = parts.length;
+    cur = json;
+    for (let j = 0; j < plen - 1; ++j) {
+      cur[parts[j]] = cur[parts[j]] || {};
+      cur = cur[parts[j]];
+    }
+    cur[parts[plen - 1]] = v;
+  }
+
+  return json;
+}
+
+
+/**
+ * Applies virtuals properties to `json`.
+ *
+ * @param {Document} self
+ * @param {Object} json
+ * @param {Object} [options]
+ * @return {Object} `json`
+ * @api private
+ */
+
+function applyGetters(self, json, options) {
+  const schema = self.$__schema;
+  const paths = Object.keys(schema.paths);
+  let i = paths.length;
+  let path;
+  let cur = self._doc;
+  let v;
+
+  if (!cur) {
+    return json;
+  }
+
+  while (i--) {
+    path = paths[i];
+
+    const parts = path.split('.');
+    const plen = parts.length;
+    const last = plen - 1;
+    let branch = json;
+    let part;
+    cur = self._doc;
+
+    if (!self.$__isSelected(path)) {
+      continue;
+    }
+
+    for (let ii = 0; ii < plen; ++ii) {
+      part = parts[ii];
+      v = cur[part];
+      if (ii === last) {
+        const val = self.$get(path);
+        branch[part] = clone(val, options);
+      } else if (v == null) {
+        if (part in cur) {
+          branch[part] = v;
+        }
+        break;
+      } else {
+        branch = branch[part] || (branch[part] = {});
+      }
+      cur = v;
+    }
+  }
+
+  return json;
+}
+
+/**
+ * Applies schema type transforms to `json`.
+ *
+ * @param {Document} self
+ * @param {Object} json
+ * @return {Object} `json`
+ * @api private
+ */
+
+function applySchemaTypeTransforms(self, json) {
+  const schema = self.$__schema;
+  const paths = Object.keys(schema.paths || {});
+  const cur = self._doc;
+
+  if (!cur) {
+    return json;
+  }
+
+  for (const path of paths) {
+    const schematype = schema.paths[path];
+    if (typeof schematype.options.transform === 'function') {
+      const val = self.$get(path);
+      if (val === undefined) {
+        continue;
+      }
+      const transformedValue = schematype.options.transform.call(self, val);
+      throwErrorIfPromise(path, transformedValue);
+      utils.setValue(path, transformedValue, json);
+    } else if (schematype.$embeddedSchemaType != null &&
+        typeof schematype.$embeddedSchemaType.options.transform === 'function') {
+      const val = self.$get(path);
+      if (val === undefined) {
+        continue;
+      }
+      const vals = [].concat(val);
+      const transform = schematype.$embeddedSchemaType.options.transform;
+      for (let i = 0; i < vals.length; ++i) {
+        const transformedValue = transform.call(self, vals[i]);
+        vals[i] = transformedValue;
+        throwErrorIfPromise(path, transformedValue);
+      }
+
+      json[path] = vals;
+    }
+  }
+
+  return json;
+}
+
+function throwErrorIfPromise(path, transformedValue) {
+  if (isPromise(transformedValue)) {
+    throw new Error('`transform` function must be synchronous, but the transform on path `' + path + '` returned a promise.');
+  }
+}
+
+/*!
+ * ignore
+ */
+
+function omitDeselectedFields(self, json) {
+  const schema = self.$__schema;
+  const paths = Object.keys(schema.paths || {});
+  const cur = self._doc;
+
+  if (!cur) {
+    return json;
+  }
+
+  let selected = self.$__.selected;
+  if (selected === void 0) {
+    selected = {};
+    queryhelpers.applyPaths(selected, schema);
+  }
+  if (selected == null || Object.keys(selected).length === 0) {
+    return json;
+  }
+
+  for (const path of paths) {
+    if (selected[path] != null && !selected[path]) {
+      delete json[path];
+    }
+  }
+
+  return json;
+}
+
+/**
+ * The return value of this method is used in calls to [`JSON.stringify(doc)`](https://thecodebarbarian.com/the-80-20-guide-to-json-stringify-in-javascript#the-tojson-function).
+ *
+ * This method accepts the same options as [Document#toObject](#document_Document-toObject). To apply the options to every document of your schema by default, set your [schemas](#schema_Schema) `toJSON` option to the same argument.
+ *
+ *     schema.set('toJSON', { virtuals: true });
+ *
+ * There is one difference between `toJSON()` and `toObject()` options.
+ * When you call `toJSON()`, the [`flattenMaps` option](./document.html#document_Document-toObject) defaults to `true`, because `JSON.stringify()` doesn't convert maps to objects by default.
+ * When you call `toObject()`, the `flattenMaps` option is `false` by default.
+ *
+ * See [schema options](/docs/guide.html#toJSON) for more information on setting `toJSON` option defaults.
+ *
+ * @param {Object} options
+ * @param {Boolean} [options.flattenMaps=true] if true, convert Maps to [POJOs](https://masteringjs.io/tutorials/fundamentals/pojo). Useful if you want to `JSON.stringify()` the result.
+ * @return {Object}
+ * @see Document#toObject #document_Document-toObject
+ * @see JSON.stringify() in JavaScript https://thecodebarbarian.com/the-80-20-guide-to-json-stringify-in-javascript.html
+ * @api public
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.toJSON = function(options) {
+  return this.$toObject(options, true);
+};
+
+
+Document.prototype.ownerDocument = function() {
+  return this;
+};
+
+
+/**
+ * If this document is a subdocument or populated document, returns the document's
+ * parent. Returns the original document if there is no parent.
+ *
+ * @return {Document}
+ * @api public
+ * @method parent
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.parent = function() {
+  if (this.$isSubdocument || this.$__.wasPopulated) {
+    return this.$__.parent;
+  }
+  return this;
+};
+
+/**
+ * Alias for [`parent()`](#document_Document-parent). If this document is a subdocument or populated
+ * document, returns the document's parent. Returns `undefined` otherwise.
+ *
+ * @return {Document}
+ * @api public
+ * @method $parent
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$parent = Document.prototype.parent;
+
+/**
+ * Helper for console.log
+ *
+ * @return {String}
+ * @api public
+ * @method inspect
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.inspect = function(options) {
+  const isPOJO = utils.isPOJO(options);
+  let opts;
+  if (isPOJO) {
+    opts = options;
+    opts.minimize = false;
+  }
+  const ret = this.toObject(opts);
+
+  if (ret == null) {
+    // If `toObject()` returns null, `this` is still an object, so if `inspect()`
+    // prints out null this can cause some serious confusion. See gh-7942.
+    return 'MongooseDocument { ' + ret + ' }';
+  }
+
+  return ret;
+};
+
+if (inspect.custom) {
+  // Avoid Node deprecation warning DEP0079
+  Document.prototype[inspect.custom] = Document.prototype.inspect;
+}
+
+/**
+ * Helper for console.log
+ *
+ * @return {String}
+ * @api public
+ * @method toString
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.toString = function() {
+  const ret = this.inspect();
+  if (typeof ret === 'string') {
+    return ret;
+  }
+  return inspect(ret);
+};
+
+/**
+ * Returns true if this document is equal to another document.
+ *
+ * Documents are considered equal when they have matching `_id`s, unless neither
+ * document has an `_id`, in which case this function falls back to using
+ * `deepEqual()`.
+ *
+ * @param {Document} [doc] a document to compare. If falsy, will always return "false".
+ * @return {Boolean}
+ * @api public
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.equals = function(doc) {
+  if (!doc) {
+    return false;
+  }
+
+  const tid = this.$__getValue('_id');
+  const docid = doc.$__ != null ? doc.$__getValue('_id') : doc;
+  if (!tid && !docid) {
+    return deepEqual(this, doc);
+  }
+  return tid && tid.equals
+    ? tid.equals(docid)
+    : tid === docid;
+};
+
+/**
+ * Populates paths on an existing document.
+ *
+ * #### Example:
+ *
+ *     // Given a document, `populate()` lets you pull in referenced docs
+ *     await doc.populate([
+ *       'stories',
+ *       { path: 'fans', sort: { name: -1 } }
+ *     ]);
+ *     doc.populated('stories'); // Array of ObjectIds
+ *     doc.stories[0].title; // 'Casino Royale'
+ *     doc.populated('fans'); // Array of ObjectIds
+ *
+ *     // If the referenced doc has been deleted, `populate()` will
+ *     // remove that entry from the array.
+ *     await Story.delete({ title: 'Casino Royale' });
+ *     await doc.populate('stories'); // Empty array
+ *
+ *     // You can also pass additional query options to `populate()`,
+ *     // like projections:
+ *     await doc.populate('fans', '-email');
+ *     doc.fans[0].email // undefined because of 2nd param `select`
+ *
+ * @param {String|Object|Array} path either the path to populate or an object specifying all parameters, or either an array of those
+ * @param {Object|String} [select] Field selection for the population query
+ * @param {Model} [model] The model you wish to use for population. If not specified, populate will look up the model by the name in the Schema's `ref` field.
+ * @param {Object} [match] Conditions for the population query
+ * @param {Object} [options] Options for the population query (sort, etc)
+ * @param {String} [options.path=null] The path to populate.
+ * @param {string|PopulateOptions} [options.populate=null] Recursively populate paths in the populated documents. See [deep populate docs](/docs/populate.html#deep-populate).
+ * @param {boolean} [options.retainNullValues=false] by default, Mongoose removes null and undefined values from populated arrays. Use this option to make `populate()` retain `null` and `undefined` array entries.
+ * @param {boolean} [options.getters=false] if true, Mongoose will call any getters defined on the `localField`. By default, Mongoose gets the raw value of `localField`. For example, you would need to set this option to `true` if you wanted to [add a `lowercase` getter to your `localField`](/docs/schematypes.html#schematype-options).
+ * @param {boolean} [options.clone=false] When you do `BlogPost.find().populate('author')`, blog posts with the same author will share 1 copy of an `author` doc. Enable this option to make Mongoose clone populated docs before assigning them.
+ * @param {Object|Function} [options.match=null] Add an additional filter to the populate query. Can be a filter object containing [MongoDB query syntax](https://docs.mongodb.com/manual/tutorial/query-documents/), or a function that returns a filter object.
+ * @param {Function} [options.transform=null] Function that Mongoose will call on every populated document that allows you to transform the populated document.
+ * @param {Object} [options.options=null] Additional options like `limit` and `lean`.
+ * @param {Function} [callback] Callback
+ * @see population /docs/populate
+ * @see Query#select #query_Query-select
+ * @see Model.populate #model_Model-populate
+ * @memberOf Document
+ * @instance
+ * @return {Promise|null} Returns a Promise if no `callback` is given.
+ * @api public
+ */
+
+Document.prototype.populate = function populate() {
+  const pop = {};
+  const args = [...arguments];
+  let fn;
+
+  if (args.length !== 0) {
+    if (typeof args[args.length - 1] === 'function') {
+      fn = args.pop();
+    }
+
+    // use hash to remove duplicate paths
+    const res = utils.populate.apply(null, args);
+    for (const populateOptions of res) {
+      pop[populateOptions.path] = populateOptions;
+    }
+  }
+
+  const paths = utils.object.vals(pop);
+  let topLevelModel = this.constructor;
+  if (this.$__isNested) {
+    topLevelModel = this.$__[scopeSymbol].constructor;
+    const nestedPath = this.$__.nestedPath;
+    paths.forEach(function(populateOptions) {
+      populateOptions.path = nestedPath + '.' + populateOptions.path;
+    });
+  }
+
+  // Use `$session()` by default if the document has an associated session
+  // See gh-6754
+  if (this.$session() != null) {
+    const session = this.$session();
+    paths.forEach(path => {
+      if (path.options == null) {
+        path.options = { session: session };
+        return;
+      }
+      if (!('session' in path.options)) {
+        path.options.session = session;
+      }
+    });
+  }
+
+  paths.forEach(p => {
+    p._localModel = topLevelModel;
+  });
+
+  return topLevelModel.populate(this, paths, fn);
+};
+
+/**
+ * Gets all populated documents associated with this document.
+ *
+ * @api public
+ * @return {Document[]} array of populated documents. Empty array if there are no populated documents associated with this document.
+ * @memberOf Document
+ * @method $getPopulatedDocs
+ * @instance
+ */
+
+Document.prototype.$getPopulatedDocs = function $getPopulatedDocs() {
+  let keys = [];
+  if (this.$__.populated != null) {
+    keys = keys.concat(Object.keys(this.$__.populated));
+  }
+  let result = [];
+  for (const key of keys) {
+    const value = this.$get(key);
+    if (Array.isArray(value)) {
+      result = result.concat(value);
+    } else if (value instanceof Document) {
+      result.push(value);
+    }
+  }
+  return result;
+};
+
+/**
+ * Gets _id(s) used during population of the given `path`.
+ *
+ * #### Example:
+ *
+ *     const doc = await Model.findOne().populate('author');
+ *
+ *     console.log(doc.author.name); // Dr.Seuss
+ *     console.log(doc.populated('author')); // '5144cf8050f071d979c118a7'
+ *
+ * If the path was not populated, returns `undefined`.
+ *
+ * @param {String} path
+ * @param {Any} [val]
+ * @param {Object} [options]
+ * @return {Array|ObjectId|Number|Buffer|String|undefined}
+ * @memberOf Document
+ * @instance
+ * @api public
+ */
+
+Document.prototype.populated = function(path, val, options) {
+  // val and options are internal
+  if (val == null || val === true) {
+    if (!this.$__.populated) {
+      return undefined;
+    }
+    if (typeof path !== 'string') {
+      return undefined;
+    }
+
+    // Map paths can be populated with either `path.$*` or just `path`
+    const _path = path.endsWith('.$*') ? path.replace(/\.\$\*$/, '') : path;
+
+    const v = this.$__.populated[_path];
+    if (v) {
+      return val === true ? v : v.value;
+    }
+    return undefined;
+  }
+
+  this.$__.populated || (this.$__.populated = {});
+  this.$__.populated[path] = { value: val, options: options };
+
+  // If this was a nested populate, make sure each populated doc knows
+  // about its populated children (gh-7685)
+  const pieces = path.split('.');
+  for (let i = 0; i < pieces.length - 1; ++i) {
+    const subpath = pieces.slice(0, i + 1).join('.');
+    const subdoc = this.$get(subpath);
+    if (subdoc != null && subdoc.$__ != null && this.$populated(subpath)) {
+      const rest = pieces.slice(i + 1).join('.');
+      subdoc.$populated(rest, val, options);
+      // No need to continue because the above recursion should take care of
+      // marking the rest of the docs as populated
+      break;
+    }
+  }
+
+  return val;
+};
+
+/**
+ * Alias of [`.populated`](#document_Document-populated).
+ *
+ * @method $populated
+ * @memberOf Document
+ * @api public
+ */
+
+Document.prototype.$populated = Document.prototype.populated;
+
+/**
+ * Throws an error if a given path is not populated
+ *
+ * #### Example:
+ *
+ *     const doc = await Model.findOne().populate('author');
+ *
+ *     doc.$assertPopulated('author'); // does not throw
+ *     doc.$assertPopulated('other path'); // throws an error
+ *
+ *     // Manually populate and assert in one call. The following does
+ *     // `doc.$set({ likes })` before asserting.
+ *     doc.$assertPopulated('likes', { likes });
+ *
+ *
+ * @param {String|String[]} path path or array of paths to check. `$assertPopulated` throws if any of the given paths is not populated.
+ * @param {Object} [values] optional values to `$set()`. Convenient if you want to manually populate a path and assert that the path was populated in 1 call.
+ * @return {Document} this
+ * @memberOf Document
+ * @method $assertPopulated
+ * @instance
+ * @api public
+ */
+
+Document.prototype.$assertPopulated = function $assertPopulated(path, values) {
+  if (Array.isArray(path)) {
+    path.forEach(p => this.$assertPopulated(p, values));
+    return this;
+  }
+
+  if (arguments.length > 1) {
+    this.$set(values);
+  }
+
+  if (!this.$populated(path)) {
+    throw new MongooseError(`Expected path "${path}" to be populated`);
+  }
+
+  return this;
+};
+
+/**
+ * Takes a populated field and returns it to its unpopulated state.
+ *
+ * #### Example:
+ *
+ *     Model.findOne().populate('author').exec(function (err, doc) {
+ *       console.log(doc.author.name); // Dr.Seuss
+ *       console.log(doc.depopulate('author'));
+ *       console.log(doc.author); // '5144cf8050f071d979c118a7'
+ *     })
+ *
+ * If the path was not provided, then all populated fields are returned to their unpopulated state.
+ *
+ * @param {String|String[]} [path] Specific Path to depopulate. If unset, will depopulate all paths on the Document. Or multiple space-delimited paths.
+ * @return {Document} this
+ * @see Document.populate #document_Document-populate
+ * @api public
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.depopulate = function(path) {
+  if (typeof path === 'string') {
+    path = path.indexOf(' ') === -1 ? [path] : path.split(' ');
+  }
+
+  let populatedIds;
+  const virtualKeys = this.$$populatedVirtuals ? Object.keys(this.$$populatedVirtuals) : [];
+  const populated = this.$__ && this.$__.populated || {};
+
+  if (arguments.length === 0) {
+    // Depopulate all
+    for (const virtualKey of virtualKeys) {
+      delete this.$$populatedVirtuals[virtualKey];
+      delete this._doc[virtualKey];
+      delete populated[virtualKey];
+    }
+
+    const keys = Object.keys(populated);
+
+    for (const key of keys) {
+      populatedIds = this.$populated(key);
+      if (!populatedIds) {
+        continue;
+      }
+      delete populated[key];
+      utils.setValue(key, populatedIds, this._doc);
+    }
+    return this;
+  }
+
+  for (const singlePath of path) {
+    populatedIds = this.$populated(singlePath);
+    delete populated[singlePath];
+
+    if (virtualKeys.indexOf(singlePath) !== -1) {
+      delete this.$$populatedVirtuals[singlePath];
+      delete this._doc[singlePath];
+    } else if (populatedIds) {
+      utils.setValue(singlePath, populatedIds, this._doc);
+    }
+  }
+  return this;
+};
+
+
+/**
+ * Returns the full path to this document.
+ *
+ * @param {String} [path]
+ * @return {String}
+ * @api private
+ * @method $__fullPath
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.$__fullPath = function(path) {
+  // overridden in SubDocuments
+  return path || '';
+};
+
+/**
+ * Returns the changes that happened to the document
+ * in the format that will be sent to MongoDB.
+ *
+ * #### Example:
+ *
+ *     const userSchema = new Schema({
+ *       name: String,
+ *       age: Number,
+ *       country: String
+ *     });
+ *     const User = mongoose.model('User', userSchema);
+ *     const user = await User.create({
+ *       name: 'Hafez',
+ *       age: 25,
+ *       country: 'Egypt'
+ *     });
+ *
+ *     // returns an empty object, no changes happened yet
+ *     user.getChanges(); // { }
+ *
+ *     user.country = undefined;
+ *     user.age = 26;
+ *
+ *     user.getChanges(); // { $set: { age: 26 }, { $unset: { country: 1 } } }
+ *
+ *     await user.save();
+ *
+ *     user.getChanges(); // { }
+ *
+ * Modifying the object that `getChanges()` returns does not affect the document's
+ * change tracking state. Even if you `delete user.getChanges().$set`, Mongoose
+ * will still send a `$set` to the server.
+ *
+ * @return {Object}
+ * @api public
+ * @method getChanges
+ * @memberOf Document
+ * @instance
+ */
+
+Document.prototype.getChanges = function() {
+  const delta = this.$__delta();
+  const changes = delta ? delta[1] : {};
+  return changes;
+};
+
+/*!
+ * Module exports.
+ */
+
+Document.ValidationError = ValidationError;
+module.exports = exports = Document;
diff --git a/node_modules/mongoose/lib/document_provider.js b/node_modules/mongoose/lib/document_provider.js
new file mode 100644
index 000000000..1ace61f4f
--- /dev/null
+++ b/node_modules/mongoose/lib/document_provider.js
@@ -0,0 +1,30 @@
+'use strict';
+
+/* eslint-env browser */
+
+/*!
+ * Module dependencies.
+ */
+const Document = require('./document.js');
+const BrowserDocument = require('./browserDocument.js');
+
+let isBrowser = false;
+
+/**
+ * Returns the Document constructor for the current context
+ *
+ * @api private
+ */
+module.exports = function() {
+  if (isBrowser) {
+    return BrowserDocument;
+  }
+  return Document;
+};
+
+/*!
+ * ignore
+ */
+module.exports.setBrowser = function(flag) {
+  isBrowser = flag;
+};
diff --git a/node_modules/mongoose/lib/driver.js b/node_modules/mongoose/lib/driver.js
new file mode 100644
index 000000000..cf7ca3d7b
--- /dev/null
+++ b/node_modules/mongoose/lib/driver.js
@@ -0,0 +1,15 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+let driver = null;
+
+module.exports.get = function() {
+  return driver;
+};
+
+module.exports.set = function(v) {
+  driver = v;
+};
diff --git a/node_modules/mongoose/lib/drivers/SPEC.md b/node_modules/mongoose/lib/drivers/SPEC.md
new file mode 100644
index 000000000..64646931e
--- /dev/null
+++ b/node_modules/mongoose/lib/drivers/SPEC.md
@@ -0,0 +1,4 @@
+
+# Driver Spec
+
+TODO
diff --git a/node_modules/mongoose/lib/drivers/browser/ReadPreference.js b/node_modules/mongoose/lib/drivers/browser/ReadPreference.js
new file mode 100644
index 000000000..136357081
--- /dev/null
+++ b/node_modules/mongoose/lib/drivers/browser/ReadPreference.js
@@ -0,0 +1,7 @@
+/*!
+ * ignore
+ */
+
+'use strict';
+
+module.exports = function() {};
diff --git a/node_modules/mongoose/lib/drivers/browser/binary.js b/node_modules/mongoose/lib/drivers/browser/binary.js
new file mode 100644
index 000000000..4658f7b9e
--- /dev/null
+++ b/node_modules/mongoose/lib/drivers/browser/binary.js
@@ -0,0 +1,14 @@
+
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const Binary = require('bson').Binary;
+
+/*!
+ * Module exports.
+ */
+
+module.exports = exports = Binary;
diff --git a/node_modules/mongoose/lib/drivers/browser/decimal128.js b/node_modules/mongoose/lib/drivers/browser/decimal128.js
new file mode 100644
index 000000000..5668182b3
--- /dev/null
+++ b/node_modules/mongoose/lib/drivers/browser/decimal128.js
@@ -0,0 +1,7 @@
+/*!
+ * ignore
+ */
+
+'use strict';
+
+module.exports = require('bson').Decimal128;
diff --git a/node_modules/mongoose/lib/drivers/browser/index.js b/node_modules/mongoose/lib/drivers/browser/index.js
new file mode 100644
index 000000000..bc4ac5f6b
--- /dev/null
+++ b/node_modules/mongoose/lib/drivers/browser/index.js
@@ -0,0 +1,16 @@
+/*!
+ * Module exports.
+ */
+
+'use strict';
+
+exports.Binary = require('./binary');
+exports.Collection = function() {
+  throw new Error('Cannot create a collection from browser library');
+};
+exports.getConnection = () => function() {
+  throw new Error('Cannot create a connection from browser library');
+};
+exports.Decimal128 = require('./decimal128');
+exports.ObjectId = require('./objectid');
+exports.ReadPreference = require('./ReadPreference');
diff --git a/node_modules/mongoose/lib/drivers/browser/objectid.js b/node_modules/mongoose/lib/drivers/browser/objectid.js
new file mode 100644
index 000000000..d847afe3b
--- /dev/null
+++ b/node_modules/mongoose/lib/drivers/browser/objectid.js
@@ -0,0 +1,29 @@
+
+/*!
+ * [node-mongodb-native](https://github.com/mongodb/node-mongodb-native) ObjectId
+ * @constructor NodeMongoDbObjectId
+ * @see ObjectId
+ */
+
+'use strict';
+
+const ObjectId = require('bson').ObjectID;
+
+/**
+ * Getter for convenience with populate, see gh-6115
+ * @api private
+ */
+
+Object.defineProperty(ObjectId.prototype, '_id', {
+  enumerable: false,
+  configurable: true,
+  get: function() {
+    return this;
+  }
+});
+
+/*!
+ * ignore
+ */
+
+module.exports = exports = ObjectId;
diff --git a/node_modules/mongoose/lib/drivers/node-mongodb-native/ReadPreference.js b/node_modules/mongoose/lib/drivers/node-mongodb-native/ReadPreference.js
new file mode 100644
index 000000000..bb999ebd6
--- /dev/null
+++ b/node_modules/mongoose/lib/drivers/node-mongodb-native/ReadPreference.js
@@ -0,0 +1,47 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const mongodb = require('mongodb');
+const ReadPref = mongodb.ReadPreference;
+
+/**
+ * Converts arguments to ReadPrefs the driver
+ * can understand.
+ *
+ * @param {String|Array} pref
+ * @param {Array} [tags]
+ */
+
+module.exports = function readPref(pref, tags) {
+  if (Array.isArray(pref)) {
+    tags = pref[1];
+    pref = pref[0];
+  }
+
+  if (pref instanceof ReadPref) {
+    return pref;
+  }
+
+  switch (pref) {
+    case 'p':
+      pref = 'primary';
+      break;
+    case 'pp':
+      pref = 'primaryPreferred';
+      break;
+    case 's':
+      pref = 'secondary';
+      break;
+    case 'sp':
+      pref = 'secondaryPreferred';
+      break;
+    case 'n':
+      pref = 'nearest';
+      break;
+  }
+
+  return new ReadPref(pref, tags);
+};
diff --git a/node_modules/mongoose/lib/drivers/node-mongodb-native/binary.js b/node_modules/mongoose/lib/drivers/node-mongodb-native/binary.js
new file mode 100644
index 000000000..4e3c86f78
--- /dev/null
+++ b/node_modules/mongoose/lib/drivers/node-mongodb-native/binary.js
@@ -0,0 +1,10 @@
+
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const Binary = require('mongodb').Binary;
+
+module.exports = exports = Binary;
diff --git a/node_modules/mongoose/lib/drivers/node-mongodb-native/collection.js b/node_modules/mongoose/lib/drivers/node-mongodb-native/collection.js
new file mode 100644
index 000000000..1207264d2
--- /dev/null
+++ b/node_modules/mongoose/lib/drivers/node-mongodb-native/collection.js
@@ -0,0 +1,419 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const MongooseCollection = require('../../collection');
+const MongooseError = require('../../error/mongooseError');
+const Collection = require('mongodb').Collection;
+const ObjectId = require('./objectid');
+const getConstructorName = require('../../helpers/getConstructorName');
+const stream = require('stream');
+const util = require('util');
+
+/**
+ * A [node-mongodb-native](https://github.com/mongodb/node-mongodb-native) collection implementation.
+ *
+ * All methods methods from the [node-mongodb-native](https://github.com/mongodb/node-mongodb-native) driver are copied and wrapped in queue management.
+ *
+ * @inherits Collection
+ * @api private
+ */
+
+function NativeCollection(name, conn, options) {
+  this.collection = null;
+  this.Promise = options.Promise || Promise;
+  this.modelName = options.modelName;
+  delete options.modelName;
+  this._closed = false;
+  MongooseCollection.apply(this, arguments);
+}
+
+/*!
+ * Inherit from abstract Collection.
+ */
+
+Object.setPrototypeOf(NativeCollection.prototype, MongooseCollection.prototype);
+
+/**
+ * Called when the connection opens.
+ *
+ * @api private
+ */
+
+NativeCollection.prototype.onOpen = function() {
+  const _this = this;
+
+  _this.collection = _this.conn.db.collection(_this.name);
+  MongooseCollection.prototype.onOpen.call(_this);
+  return _this.collection;
+};
+
+/**
+ * Called when the connection closes
+ *
+ * @api private
+ */
+
+NativeCollection.prototype.onClose = function(force) {
+  MongooseCollection.prototype.onClose.call(this, force);
+};
+
+/*!
+ * ignore
+ */
+
+const syncCollectionMethods = { watch: true, find: true, aggregate: true };
+
+/**
+ * Copy the collection methods and make them subject to queues
+ * @param {Number|String} I
+ * @api private
+ */
+
+function iter(i) {
+  NativeCollection.prototype[i] = function() {
+    const collection = this.collection;
+    const args = Array.from(arguments);
+    const _this = this;
+    const debug = _this &&
+      _this.conn &&
+      _this.conn.base &&
+      _this.conn.base.options &&
+      _this.conn.base.options.debug;
+    const lastArg = arguments[arguments.length - 1];
+    const opId = new ObjectId();
+
+    // If user force closed, queueing will hang forever. See #5664
+    if (this.conn.$wasForceClosed) {
+      const error = new MongooseError('Connection was force closed');
+      if (args.length > 0 &&
+        typeof args[args.length - 1] === 'function') {
+        args[args.length - 1](error);
+        return;
+      } else {
+        throw error;
+      }
+    }
+
+    let _args = args;
+    let callback = null;
+    if (this._shouldBufferCommands() && this.buffer) {
+      if (syncCollectionMethods[i] && typeof lastArg !== 'function') {
+        throw new Error('Collection method ' + i + ' is synchronous');
+      }
+
+      this.conn.emit('buffer', {
+        _id: opId,
+        modelName: _this.modelName,
+        collectionName: _this.name,
+        method: i,
+        args: args
+      });
+
+      let callback;
+      let _args = args;
+      let promise = null;
+      let timeout = null;
+      if (syncCollectionMethods[i]) {
+        this.addQueue(() => {
+          lastArg.call(this, null, this[i].apply(this, _args.slice(0, _args.length - 1)));
+        }, []);
+      } else if (typeof lastArg === 'function') {
+        callback = function collectionOperationCallback() {
+          if (timeout != null) {
+            clearTimeout(timeout);
+          }
+          return lastArg.apply(this, arguments);
+        };
+        _args = args.slice(0, args.length - 1).concat([callback]);
+      } else {
+        promise = new this.Promise((resolve, reject) => {
+          callback = function collectionOperationCallback(err, res) {
+            if (timeout != null) {
+              clearTimeout(timeout);
+            }
+            if (err != null) {
+              return reject(err);
+            }
+            resolve(res);
+          };
+          _args = args.concat([callback]);
+          this.addQueue(i, _args);
+        });
+      }
+
+      const bufferTimeoutMS = this._getBufferTimeoutMS();
+      timeout = setTimeout(() => {
+        const removed = this.removeQueue(i, _args);
+        if (removed) {
+          const message = 'Operation `' + this.name + '.' + i + '()` buffering timed out after ' +
+            bufferTimeoutMS + 'ms';
+          const err = new MongooseError(message);
+          this.conn.emit('buffer-end', { _id: opId, modelName: _this.modelName, collectionName: _this.name, method: i, error: err });
+          callback(err);
+        }
+      }, bufferTimeoutMS);
+
+      if (!syncCollectionMethods[i] && typeof lastArg === 'function') {
+        this.addQueue(i, _args);
+        return;
+      }
+
+      return promise;
+    } else if (!syncCollectionMethods[i] && typeof lastArg === 'function') {
+      callback = function collectionOperationCallback(err, res) {
+        if (err != null) {
+          _this.conn.emit('operation-end', { _id: opId, modelName: _this.modelName, collectionName: _this.name, method: i, error: err });
+        } else {
+          _this.conn.emit('operation-end', { _id: opId, modelName: _this.modelName, collectionName: _this.name, method: i, result: res });
+        }
+        return lastArg.apply(this, arguments);
+      };
+      _args = args.slice(0, args.length - 1).concat([callback]);
+    }
+
+    if (debug) {
+      if (typeof debug === 'function') {
+        debug.apply(_this,
+          [_this.name, i].concat(args.slice(0, args.length - 1)));
+      } else if (debug instanceof stream.Writable) {
+        this.$printToStream(_this.name, i, args, debug);
+      } else {
+        const color = debug.color == null ? true : debug.color;
+        const shell = debug.shell == null ? false : debug.shell;
+        this.$print(_this.name, i, args, color, shell);
+      }
+    }
+
+    this.conn.emit('operation-start', { _id: opId, modelName: _this.modelName, collectionName: this.name, method: i, params: _args });
+
+    try {
+      if (collection == null) {
+        const message = 'Cannot call `' + this.name + '.' + i + '()` before initial connection ' +
+          'is complete if `bufferCommands = false`. Make sure you `await mongoose.connect()` if ' +
+          'you have `bufferCommands = false`.';
+        throw new MongooseError(message);
+      }
+
+      if (syncCollectionMethods[i] && typeof lastArg === 'function') {
+        return lastArg.call(this, null, collection[i].apply(collection, _args.slice(0, _args.length - 1)));
+      }
+
+      const ret = collection[i].apply(collection, _args);
+      if (ret != null && typeof ret.then === 'function') {
+        return ret.then(
+          res => {
+            this.conn.emit('operation-end', { _id: opId, modelName: this.modelName, collectionName: this.name, method: i, result: res });
+            return res;
+          },
+          err => {
+            this.conn.emit('operation-end', { _id: opId, modelName: this.modelName, collectionName: this.name, method: i, error: err });
+            throw err;
+          }
+        );
+      }
+      return ret;
+    } catch (error) {
+      // Collection operation may throw because of max bson size, catch it here
+      // See gh-3906
+      if (typeof lastArg === 'function') {
+        return lastArg(error);
+      } else {
+        this.conn.emit('operation-end', { _id: opId, modelName: _this.modelName, collectionName: this.name, method: i, error: error });
+
+        throw error;
+      }
+    }
+  };
+}
+
+for (const key of Object.getOwnPropertyNames(Collection.prototype)) {
+  // Janky hack to work around gh-3005 until we can get rid of the mongoose
+  // collection abstraction
+  const descriptor = Object.getOwnPropertyDescriptor(Collection.prototype, key);
+  // Skip properties with getters because they may throw errors (gh-8528)
+  if (descriptor.get !== undefined) {
+    continue;
+  }
+  if (typeof Collection.prototype[key] !== 'function') {
+    continue;
+  }
+
+  iter(key);
+}
+
+/**
+ * Debug print helper
+ *
+ * @api public
+ * @method $print
+ */
+
+NativeCollection.prototype.$print = function(name, i, args, color, shell) {
+  const moduleName = color ? '\x1B[0;36mMongoose:\x1B[0m ' : 'Mongoose: ';
+  const functionCall = [name, i].join('.');
+  const _args = [];
+  for (let j = args.length - 1; j >= 0; --j) {
+    if (this.$format(args[j]) || _args.length) {
+      _args.unshift(this.$format(args[j], color, shell));
+    }
+  }
+  const params = '(' + _args.join(', ') + ')';
+
+  console.info(moduleName + functionCall + params);
+};
+
+/**
+ * Debug print helper
+ *
+ * @api public
+ * @method $print
+ */
+
+NativeCollection.prototype.$printToStream = function(name, i, args, stream) {
+  const functionCall = [name, i].join('.');
+  const _args = [];
+  for (let j = args.length - 1; j >= 0; --j) {
+    if (this.$format(args[j]) || _args.length) {
+      _args.unshift(this.$format(args[j]));
+    }
+  }
+  const params = '(' + _args.join(', ') + ')';
+
+  stream.write(functionCall + params, 'utf8');
+};
+
+/**
+ * Formatter for debug print args
+ *
+ * @api public
+ * @method $format
+ */
+
+NativeCollection.prototype.$format = function(arg, color, shell) {
+  const type = typeof arg;
+  if (type === 'function' || type === 'undefined') return '';
+  return format(arg, false, color, shell);
+};
+
+/**
+ * Debug print helper
+ * @param {Any} representation
+ * @api private
+ */
+
+function inspectable(representation) {
+  const ret = {
+    inspect: function() { return representation; }
+  };
+  if (util.inspect.custom) {
+    ret[util.inspect.custom] = ret.inspect;
+  }
+  return ret;
+}
+function map(o) {
+  return format(o, true);
+}
+function formatObjectId(x, key) {
+  x[key] = inspectable('ObjectId("' + x[key].toHexString() + '")');
+}
+function formatDate(x, key, shell) {
+  if (shell) {
+    x[key] = inspectable('ISODate("' + x[key].toUTCString() + '")');
+  } else {
+    x[key] = inspectable('new Date("' + x[key].toUTCString() + '")');
+  }
+}
+function format(obj, sub, color, shell) {
+  if (obj && typeof obj.toBSON === 'function') {
+    obj = obj.toBSON();
+  }
+  if (obj == null) {
+    return obj;
+  }
+
+  const clone = require('../../helpers/clone');
+  let x = clone(obj, { transform: false });
+  const constructorName = getConstructorName(x);
+
+  if (constructorName === 'Binary') {
+    x = 'BinData(' + x.sub_type + ', "' + x.toString('base64') + '")';
+  } else if (constructorName === 'ObjectID') {
+    x = inspectable('ObjectId("' + x.toHexString() + '")');
+  } else if (constructorName === 'Date') {
+    x = inspectable('new Date("' + x.toUTCString() + '")');
+  } else if (constructorName === 'Object') {
+    const keys = Object.keys(x);
+    const numKeys = keys.length;
+    let key;
+    for (let i = 0; i < numKeys; ++i) {
+      key = keys[i];
+      if (x[key]) {
+        let error;
+        if (typeof x[key].toBSON === 'function') {
+          try {
+            // `session.toBSON()` throws an error. This means we throw errors
+            // in debug mode when using transactions, see gh-6712. As a
+            // workaround, catch `toBSON()` errors, try to serialize without
+            // `toBSON()`, and rethrow if serialization still fails.
+            x[key] = x[key].toBSON();
+          } catch (_error) {
+            error = _error;
+          }
+        }
+        const _constructorName = getConstructorName(x[key]);
+        if (_constructorName === 'Binary') {
+          x[key] = 'BinData(' + x[key].sub_type + ', "' +
+            x[key].buffer.toString('base64') + '")';
+        } else if (_constructorName === 'Object') {
+          x[key] = format(x[key], true);
+        } else if (_constructorName === 'ObjectID') {
+          formatObjectId(x, key);
+        } else if (_constructorName === 'Date') {
+          formatDate(x, key, shell);
+        } else if (_constructorName === 'ClientSession') {
+          x[key] = inspectable('ClientSession("' +
+            (
+              x[key] &&
+              x[key].id &&
+              x[key].id.id &&
+              x[key].id.id.buffer || ''
+            ).toString('hex') + '")');
+        } else if (Array.isArray(x[key])) {
+          x[key] = x[key].map(map);
+        } else if (error != null) {
+          // If there was an error with `toBSON()` and the object wasn't
+          // already converted to a string representation, rethrow it.
+          // Open to better ideas on how to handle this.
+          throw error;
+        }
+      }
+    }
+  }
+  if (sub) {
+    return x;
+  }
+
+  return util.
+    inspect(x, false, 10, color).
+    replace(/\n/g, '').
+    replace(/\s{2,}/g, ' ');
+}
+
+/**
+ * Retrieves information about this collections indexes.
+ *
+ * @param {Function} callback
+ * @method getIndexes
+ * @api public
+ */
+
+NativeCollection.prototype.getIndexes = NativeCollection.prototype.indexInformation;
+
+/*!
+ * Module exports.
+ */
+
+module.exports = NativeCollection;
diff --git a/node_modules/mongoose/lib/drivers/node-mongodb-native/connection.js b/node_modules/mongoose/lib/drivers/node-mongodb-native/connection.js
new file mode 100644
index 000000000..5c6976d92
--- /dev/null
+++ b/node_modules/mongoose/lib/drivers/node-mongodb-native/connection.js
@@ -0,0 +1,166 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseConnection = require('../../connection');
+const STATES = require('../../connectionstate');
+const immediate = require('../../helpers/immediate');
+const setTimeout = require('../../helpers/timers').setTimeout;
+
+/**
+ * A [node-mongodb-native](https://github.com/mongodb/node-mongodb-native) connection implementation.
+ *
+ * @inherits Connection
+ * @api private
+ */
+
+function NativeConnection() {
+  MongooseConnection.apply(this, arguments);
+  this._listening = false;
+}
+
+/**
+ * Expose the possible connection states.
+ * @api public
+ */
+
+NativeConnection.STATES = STATES;
+
+/*!
+ * Inherits from Connection.
+ */
+
+Object.setPrototypeOf(NativeConnection.prototype, MongooseConnection.prototype);
+
+/**
+ * Switches to a different database using the same connection pool.
+ *
+ * Returns a new connection object, with the new db. If you set the `useCache`
+ * option, `useDb()` will cache connections by `name`.
+ *
+ * **Note:** Calling `close()` on a `useDb()` connection will close the base connection as well.
+ *
+ * @param {String} name The database name
+ * @param {Object} [options]
+ * @param {Boolean} [options.useCache=false] If true, cache results so calling `useDb()` multiple times with the same name only creates 1 connection object.
+ * @param {Boolean} [options.noListener=false] If true, the new connection object won't listen to any events on the base connection. This is better for memory usage in cases where you're calling `useDb()` for every request.
+ * @return {Connection} New Connection Object
+ * @api public
+ */
+
+NativeConnection.prototype.useDb = function(name, options) {
+  // Return immediately if cached
+  options = options || {};
+  if (options.useCache && this.relatedDbs[name]) {
+    return this.relatedDbs[name];
+  }
+
+  // we have to manually copy all of the attributes...
+  const newConn = new this.constructor();
+  newConn.name = name;
+  newConn.base = this.base;
+  newConn.collections = {};
+  newConn.models = {};
+  newConn.replica = this.replica;
+  newConn.config = Object.assign({}, this.config, newConn.config);
+  newConn.name = this.name;
+  newConn.options = this.options;
+  newConn._readyState = this._readyState;
+  newConn._closeCalled = this._closeCalled;
+  newConn._hasOpened = this._hasOpened;
+  newConn._listening = false;
+  newConn._parent = this;
+
+  newConn.host = this.host;
+  newConn.port = this.port;
+  newConn.user = this.user;
+  newConn.pass = this.pass;
+
+  // First, when we create another db object, we are not guaranteed to have a
+  // db object to work with. So, in the case where we have a db object and it
+  // is connected, we can just proceed with setting everything up. However, if
+  // we do not have a db or the state is not connected, then we need to wait on
+  // the 'open' event of the connection before doing the rest of the setup
+  // the 'connected' event is the first time we'll have access to the db object
+
+  const _this = this;
+
+  newConn.client = _this.client;
+
+  if (this.db && this._readyState === STATES.connected) {
+    wireup();
+  } else {
+    this.once('connected', wireup);
+  }
+
+  function wireup() {
+    newConn.client = _this.client;
+    const _opts = {};
+    if (options.hasOwnProperty('noListener')) {
+      _opts.noListener = options.noListener;
+    }
+    newConn.db = _this.client.db(name, _opts);
+    newConn.onOpen();
+  }
+
+  newConn.name = name;
+
+  // push onto the otherDbs stack, this is used when state changes
+  if (options.noListener !== true) {
+    this.otherDbs.push(newConn);
+  }
+  newConn.otherDbs.push(this);
+
+  // push onto the relatedDbs cache, this is used when state changes
+  if (options && options.useCache) {
+    this.relatedDbs[newConn.name] = newConn;
+    newConn.relatedDbs = this.relatedDbs;
+  }
+
+  return newConn;
+};
+
+/**
+ * Closes the connection
+ *
+ * @param {Boolean} [force]
+ * @param {Function} [fn]
+ * @return {Connection} this
+ * @api private
+ */
+
+NativeConnection.prototype.doClose = function(force, fn) {
+  if (this.client == null) {
+    immediate(() => fn());
+    return this;
+  }
+
+  let skipCloseClient = false;
+  if (force != null && typeof force === 'object') {
+    skipCloseClient = force.skipCloseClient;
+    force = force.force;
+  }
+
+  if (skipCloseClient) {
+    immediate(() => fn());
+    return this;
+  }
+
+  this.client.close(force, (err, res) => {
+    // Defer because the driver will wait at least 1ms before finishing closing
+    // the pool, see https://github.com/mongodb-js/mongodb-core/blob/a8f8e4ce41936babc3b9112bf42d609779f03b39/lib/connection/pool.js#L1026-L1030.
+    // If there's queued operations, you may still get some background work
+    // after the callback is called.
+    setTimeout(() => fn(err, res), 1);
+  });
+  return this;
+};
+
+
+/*!
+ * Module exports.
+ */
+
+module.exports = NativeConnection;
diff --git a/node_modules/mongoose/lib/drivers/node-mongodb-native/decimal128.js b/node_modules/mongoose/lib/drivers/node-mongodb-native/decimal128.js
new file mode 100644
index 000000000..c895f17fd
--- /dev/null
+++ b/node_modules/mongoose/lib/drivers/node-mongodb-native/decimal128.js
@@ -0,0 +1,7 @@
+/*!
+ * ignore
+ */
+
+'use strict';
+
+module.exports = require('mongodb').Decimal128;
diff --git a/node_modules/mongoose/lib/drivers/node-mongodb-native/index.js b/node_modules/mongoose/lib/drivers/node-mongodb-native/index.js
new file mode 100644
index 000000000..e6714679f
--- /dev/null
+++ b/node_modules/mongoose/lib/drivers/node-mongodb-native/index.js
@@ -0,0 +1,12 @@
+/*!
+ * Module exports.
+ */
+
+'use strict';
+
+exports.Binary = require('./binary');
+exports.Collection = require('./collection');
+exports.Decimal128 = require('./decimal128');
+exports.ObjectId = require('./objectid');
+exports.ReadPreference = require('./ReadPreference');
+exports.getConnection = () => require('./connection');
diff --git a/node_modules/mongoose/lib/drivers/node-mongodb-native/objectid.js b/node_modules/mongoose/lib/drivers/node-mongodb-native/objectid.js
new file mode 100644
index 000000000..6f432b796
--- /dev/null
+++ b/node_modules/mongoose/lib/drivers/node-mongodb-native/objectid.js
@@ -0,0 +1,16 @@
+
+/*!
+ * [node-mongodb-native](https://github.com/mongodb/node-mongodb-native) ObjectId
+ * @constructor NodeMongoDbObjectId
+ * @see ObjectId
+ */
+
+'use strict';
+
+const ObjectId = require('mongodb').ObjectId;
+
+/*!
+ * ignore
+ */
+
+module.exports = exports = ObjectId;
diff --git a/node_modules/mongoose/lib/error/browserMissingSchema.js b/node_modules/mongoose/lib/error/browserMissingSchema.js
new file mode 100644
index 000000000..3f271499d
--- /dev/null
+++ b/node_modules/mongoose/lib/error/browserMissingSchema.js
@@ -0,0 +1,28 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseError = require('./');
+
+
+class MissingSchemaError extends MongooseError {
+  /**
+   * MissingSchema Error constructor.
+   */
+  constructor() {
+    super('Schema hasn\'t been registered for document.\n'
+      + 'Use mongoose.Document(name, schema)');
+  }
+}
+
+Object.defineProperty(MissingSchemaError.prototype, 'name', {
+  value: 'MongooseError'
+});
+
+/*!
+ * exports
+ */
+
+module.exports = MissingSchemaError;
diff --git a/node_modules/mongoose/lib/error/cast.js b/node_modules/mongoose/lib/error/cast.js
new file mode 100644
index 000000000..c42e82166
--- /dev/null
+++ b/node_modules/mongoose/lib/error/cast.js
@@ -0,0 +1,158 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const MongooseError = require('./mongooseError');
+const util = require('util');
+
+/**
+ * Casting Error constructor.
+ *
+ * @param {String} type
+ * @param {String} value
+ * @inherits MongooseError
+ * @api private
+ */
+
+class CastError extends MongooseError {
+  constructor(type, value, path, reason, schemaType) {
+    // If no args, assume we'll `init()` later.
+    if (arguments.length > 0) {
+      const stringValue = getStringValue(value);
+      const valueType = getValueType(value);
+      const messageFormat = getMessageFormat(schemaType);
+      const msg = formatMessage(null, type, stringValue, path, messageFormat, valueType, reason);
+      super(msg);
+      this.init(type, value, path, reason, schemaType);
+    } else {
+      super(formatMessage());
+    }
+  }
+
+  toJSON() {
+    return {
+      stringValue: this.stringValue,
+      valueType: this.valueType,
+      kind: this.kind,
+      value: this.value,
+      path: this.path,
+      reason: this.reason,
+      name: this.name,
+      message: this.message
+    };
+  }
+  /*!
+   * ignore
+   */
+  init(type, value, path, reason, schemaType) {
+    this.stringValue = getStringValue(value);
+    this.messageFormat = getMessageFormat(schemaType);
+    this.kind = type;
+    this.value = value;
+    this.path = path;
+    this.reason = reason;
+    this.valueType = getValueType(value);
+  }
+
+  /**
+   * ignore
+   * @param {Readonly<CastError>} other
+   * @api private
+   */
+  copy(other) {
+    this.messageFormat = other.messageFormat;
+    this.stringValue = other.stringValue;
+    this.kind = other.kind;
+    this.value = other.value;
+    this.path = other.path;
+    this.reason = other.reason;
+    this.message = other.message;
+    this.valueType = other.valueType;
+  }
+
+  /*!
+   * ignore
+   */
+  setModel(model) {
+    this.model = model;
+    this.message = formatMessage(model, this.kind, this.stringValue, this.path,
+      this.messageFormat, this.valueType);
+  }
+}
+
+Object.defineProperty(CastError.prototype, 'name', {
+  value: 'CastError'
+});
+
+function getStringValue(value) {
+  let stringValue = util.inspect(value);
+  stringValue = stringValue.replace(/^'|'$/g, '"');
+  if (!stringValue.startsWith('"')) {
+    stringValue = '"' + stringValue + '"';
+  }
+  return stringValue;
+}
+
+function getValueType(value) {
+  if (value == null) {
+    return '' + value;
+  }
+
+  const t = typeof value;
+  if (t !== 'object') {
+    return t;
+  }
+  if (typeof value.constructor !== 'function') {
+    return t;
+  }
+  return value.constructor.name;
+}
+
+function getMessageFormat(schemaType) {
+  const messageFormat = schemaType &&
+  schemaType.options &&
+  schemaType.options.cast || null;
+  if (typeof messageFormat === 'string') {
+    return messageFormat;
+  }
+}
+
+/*!
+ * ignore
+ */
+
+function formatMessage(model, kind, stringValue, path, messageFormat, valueType, reason) {
+  if (messageFormat != null) {
+    let ret = messageFormat.
+      replace('{KIND}', kind).
+      replace('{VALUE}', stringValue).
+      replace('{PATH}', path);
+    if (model != null) {
+      ret = ret.replace('{MODEL}', model.modelName);
+    }
+
+    return ret;
+  } else {
+    const valueTypeMsg = valueType ? ' (type ' + valueType + ')' : '';
+    let ret = 'Cast to ' + kind + ' failed for value ' +
+      stringValue + valueTypeMsg + ' at path "' + path + '"';
+    if (model != null) {
+      ret += ' for model "' + model.modelName + '"';
+    }
+    if (reason != null &&
+        typeof reason.constructor === 'function' &&
+        reason.constructor.name !== 'AssertionError' &&
+        reason.constructor.name !== 'Error') {
+      ret += ' because of "' + reason.constructor.name + '"';
+    }
+    return ret;
+  }
+}
+
+/*!
+ * exports
+ */
+
+module.exports = CastError;
diff --git a/node_modules/mongoose/lib/error/disconnected.js b/node_modules/mongoose/lib/error/disconnected.js
new file mode 100644
index 000000000..9e8c6125c
--- /dev/null
+++ b/node_modules/mongoose/lib/error/disconnected.js
@@ -0,0 +1,33 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseError = require('./');
+
+
+/**
+ * The connection failed to reconnect and will never successfully reconnect to
+ * MongoDB without manual intervention.
+ * @api private
+ */
+class DisconnectedError extends MongooseError {
+  /**
+   * @param {String} connectionString
+   */
+  constructor(id, fnName) {
+    super('Connection ' + id +
+    ' was disconnected when calling `' + fnName + '()`');
+  }
+}
+
+Object.defineProperty(DisconnectedError.prototype, 'name', {
+  value: 'DisconnectedError'
+});
+
+/*!
+ * exports
+ */
+
+module.exports = DisconnectedError;
diff --git a/node_modules/mongoose/lib/error/divergentArray.js b/node_modules/mongoose/lib/error/divergentArray.js
new file mode 100644
index 000000000..7a8d1da5d
--- /dev/null
+++ b/node_modules/mongoose/lib/error/divergentArray.js
@@ -0,0 +1,38 @@
+
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseError = require('./');
+
+class DivergentArrayError extends MongooseError {
+  /**
+   * DivergentArrayError constructor.
+   * @param {Array<String>} paths
+   * @api private
+   */
+  constructor(paths) {
+    const msg = 'For your own good, using `document.save()` to update an array '
+            + 'which was selected using an $elemMatch projection OR '
+            + 'populated using skip, limit, query conditions, or exclusion of '
+            + 'the _id field when the operation results in a $pop or $set of '
+            + 'the entire array is not supported. The following '
+            + 'path(s) would have been modified unsafely:\n'
+            + '  ' + paths.join('\n  ') + '\n'
+            + 'Use Model.update() to update these arrays instead.';
+    // TODO write up a docs page (FAQ) and link to it
+    super(msg);
+  }
+}
+
+Object.defineProperty(DivergentArrayError.prototype, 'name', {
+  value: 'DivergentArrayError'
+});
+
+/*!
+ * exports
+ */
+
+module.exports = DivergentArrayError;
diff --git a/node_modules/mongoose/lib/error/eachAsyncMultiError.js b/node_modules/mongoose/lib/error/eachAsyncMultiError.js
new file mode 100644
index 000000000..9c0402031
--- /dev/null
+++ b/node_modules/mongoose/lib/error/eachAsyncMultiError.js
@@ -0,0 +1,41 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseError = require('./');
+
+
+/**
+ * If `eachAsync()` is called with `continueOnError: true`, there can be
+ * multiple errors. This error class contains an `errors` property, which
+ * contains an array of all errors that occurred in `eachAsync()`.
+ *
+ * @api private
+ */
+
+class EachAsyncMultiError extends MongooseError {
+  /**
+   * @param {String} connectionString
+   */
+  constructor(errors) {
+    let preview = errors.map(e => e.message).join(', ');
+    if (preview.length > 50) {
+      preview = preview.slice(0, 50) + '...';
+    }
+    super(`eachAsync() finished with ${errors.length} errors: ${preview}`);
+
+    this.errors = errors;
+  }
+}
+
+Object.defineProperty(EachAsyncMultiError.prototype, 'name', {
+  value: 'EachAsyncMultiError'
+});
+
+/*!
+ * exports
+ */
+
+module.exports = EachAsyncMultiError;
diff --git a/node_modules/mongoose/lib/error/index.js b/node_modules/mongoose/lib/error/index.js
new file mode 100644
index 000000000..12af737a7
--- /dev/null
+++ b/node_modules/mongoose/lib/error/index.js
@@ -0,0 +1,217 @@
+'use strict';
+
+/**
+ * MongooseError constructor. MongooseError is the base class for all
+ * Mongoose-specific errors.
+ *
+ * #### Example:
+ *
+ *     const Model = mongoose.model('Test', new mongoose.Schema({ answer: Number }));
+ *     const doc = new Model({ answer: 'not a number' });
+ *     const err = doc.validateSync();
+ *
+ *     err instanceof mongoose.Error.ValidationError; // true
+ *
+ * @constructor Error
+ * @param {String} msg Error message
+ * @inherits Error https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error
+ */
+
+const MongooseError = require('./mongooseError');
+
+/**
+ * The name of the error. The name uniquely identifies this Mongoose error. The
+ * possible values are:
+ *
+ * - `MongooseError`: general Mongoose error
+ * - `CastError`: Mongoose could not convert a value to the type defined in the schema path. May be in a `ValidationError` class' `errors` property.
+ * - `DisconnectedError`: This [connection](connections.html) timed out in trying to reconnect to MongoDB and will not successfully reconnect to MongoDB unless you explicitly reconnect.
+ * - `DivergentArrayError`: You attempted to `save()` an array that was modified after you loaded it with a `$elemMatch` or similar projection
+ * - `MissingSchemaError`: You tried to access a model with [`mongoose.model()`](api.html#mongoose_Mongoose-model) that was not defined
+ * - `DocumentNotFoundError`: The document you tried to [`save()`](api.html#document_Document-save) was not found
+ * - `ValidatorError`: error from an individual schema path's validator
+ * - `ValidationError`: error returned from [`validate()`](api.html#document_Document-validate) or [`validateSync()`](api.html#document_Document-validateSync). Contains zero or more `ValidatorError` instances in `.errors` property.
+ * - `MissingSchemaError`: You called `mongoose.Document()` without a schema
+ * - `ObjectExpectedError`: Thrown when you set a nested path to a non-object value with [strict mode set](guide.html#strict).
+ * - `ObjectParameterError`: Thrown when you pass a non-object value to a function which expects an object as a paramter
+ * - `OverwriteModelError`: Thrown when you call [`mongoose.model()`](api.html#mongoose_Mongoose-model) to re-define a model that was already defined.
+ * - `ParallelSaveError`: Thrown when you call [`save()`](api.html#model_Model-save) on a document when the same document instance is already saving.
+ * - `StrictModeError`: Thrown when you set a path that isn't the schema and [strict mode](guide.html#strict) is set to `throw`.
+ * - `VersionError`: Thrown when the [document is out of sync](guide.html#versionKey)
+ *
+ * @api public
+ * @property {String} name
+ * @memberOf Error
+ * @instance
+ */
+
+/*!
+ * Module exports.
+ */
+
+module.exports = exports = MongooseError;
+
+/**
+ * The default built-in validator error messages.
+ *
+ * @see Error.messages #error_messages_MongooseError-messages
+ * @api public
+ * @memberOf Error
+ * @static
+ */
+
+MongooseError.messages = require('./messages');
+
+// backward compat
+MongooseError.Messages = MongooseError.messages;
+
+/**
+ * An instance of this error class will be returned when `save()` fails
+ * because the underlying
+ * document was not found. The constructor takes one parameter, the
+ * conditions that mongoose passed to `update()` when trying to update
+ * the document.
+ *
+ * @api public
+ * @memberOf Error
+ * @static
+ */
+
+MongooseError.DocumentNotFoundError = require('./notFound');
+
+/**
+ * An instance of this error class will be returned when mongoose failed to
+ * cast a value.
+ *
+ * @api public
+ * @memberOf Error
+ * @static
+ */
+
+MongooseError.CastError = require('./cast');
+
+/**
+ * An instance of this error class will be returned when [validation](/docs/validation.html) failed.
+ * The `errors` property contains an object whose keys are the paths that failed and whose values are
+ * instances of CastError or ValidationError.
+ *
+ * @api public
+ * @memberOf Error
+ * @static
+ */
+
+MongooseError.ValidationError = require('./validation');
+
+/**
+ * A `ValidationError` has a hash of `errors` that contain individual
+ * `ValidatorError` instances.
+ *
+ * #### Example:
+ *
+ *     const schema = Schema({ name: { type: String, required: true } });
+ *     const Model = mongoose.model('Test', schema);
+ *     const doc = new Model({});
+ *
+ *     // Top-level error is a ValidationError, **not** a ValidatorError
+ *     const err = doc.validateSync();
+ *     err instanceof mongoose.Error.ValidationError; // true
+ *
+ *     // A ValidationError `err` has 0 or more ValidatorErrors keyed by the
+ *     // path in the `err.errors` property.
+ *     err.errors['name'] instanceof mongoose.Error.ValidatorError;
+ *
+ *     err.errors['name'].kind; // 'required'
+ *     err.errors['name'].path; // 'name'
+ *     err.errors['name'].value; // undefined
+ *
+ * Instances of `ValidatorError` have the following properties:
+ *
+ * - `kind`: The validator's `type`, like `'required'` or `'regexp'`
+ * - `path`: The path that failed validation
+ * - `value`: The value that failed validation
+ *
+ * @api public
+ * @memberOf Error
+ * @static
+ */
+
+MongooseError.ValidatorError = require('./validator');
+
+/**
+ * An instance of this error class will be returned when you call `save()` after
+ * the document in the database was changed in a potentially unsafe way. See
+ * the [`versionKey` option](/docs/guide.html#versionKey) for more information.
+ *
+ * @api public
+ * @memberOf Error
+ * @static
+ */
+
+MongooseError.VersionError = require('./version');
+
+/**
+ * An instance of this error class will be returned when you call `save()` multiple
+ * times on the same document in parallel. See the [FAQ](/docs/faq.html) for more
+ * information.
+ *
+ * @api public
+ * @memberOf Error
+ * @static
+ */
+
+MongooseError.ParallelSaveError = require('./parallelSave');
+
+/**
+ * Thrown when a model with the given name was already registered on the connection.
+ * See [the FAQ about `OverwriteModelError`](/docs/faq.html#overwrite-model-error).
+ *
+ * @api public
+ * @memberOf Error
+ * @static
+ */
+
+MongooseError.OverwriteModelError = require('./overwriteModel');
+
+/**
+ * Thrown when you try to access a model that has not been registered yet
+ *
+ * @api public
+ * @memberOf Error
+ * @static
+ */
+
+MongooseError.MissingSchemaError = require('./missingSchema');
+
+/**
+ * Thrown when the MongoDB Node driver can't connect to a valid server
+ * to send an operation to.
+ *
+ * @api public
+ * @memberOf Error
+ * @static
+ */
+
+MongooseError.MongooseServerSelectionError = require('./serverSelection');
+
+/**
+ * An instance of this error will be returned if you used an array projection
+ * and then modified the array in an unsafe way.
+ *
+ * @api public
+ * @memberOf Error
+ * @static
+ */
+
+MongooseError.DivergentArrayError = require('./divergentArray');
+
+/**
+ * Thrown when your try to pass values to model contrtuctor that
+ * were not specified in schema or change immutable properties when
+ * `strict` mode is `"throw"`
+ *
+ * @api public
+ * @memberOf Error
+ * @static
+ */
+
+MongooseError.StrictModeError = require('./strict');
diff --git a/node_modules/mongoose/lib/error/messages.js b/node_modules/mongoose/lib/error/messages.js
new file mode 100644
index 000000000..b750d5d5e
--- /dev/null
+++ b/node_modules/mongoose/lib/error/messages.js
@@ -0,0 +1,47 @@
+
+/**
+ * The default built-in validator error messages. These may be customized.
+ *
+ *     // customize within each schema or globally like so
+ *     const mongoose = require('mongoose');
+ *     mongoose.Error.messages.String.enum  = "Your custom message for {PATH}.";
+ *
+ * As you might have noticed, error messages support basic templating
+ *
+ * - `{PATH}` is replaced with the invalid document path
+ * - `{VALUE}` is replaced with the invalid value
+ * - `{TYPE}` is replaced with the validator type such as "regexp", "min", or "user defined"
+ * - `{MIN}` is replaced with the declared min value for the Number.min validator
+ * - `{MAX}` is replaced with the declared max value for the Number.max validator
+ *
+ * Click the "show code" link below to see all defaults.
+ *
+ * @static
+ * @memberOf MongooseError
+ * @api public
+ */
+
+'use strict';
+
+const msg = module.exports = exports = {};
+
+msg.DocumentNotFoundError = null;
+
+msg.general = {};
+msg.general.default = 'Validator failed for path `{PATH}` with value `{VALUE}`';
+msg.general.required = 'Path `{PATH}` is required.';
+
+msg.Number = {};
+msg.Number.min = 'Path `{PATH}` ({VALUE}) is less than minimum allowed value ({MIN}).';
+msg.Number.max = 'Path `{PATH}` ({VALUE}) is more than maximum allowed value ({MAX}).';
+msg.Number.enum = '`{VALUE}` is not a valid enum value for path `{PATH}`.';
+
+msg.Date = {};
+msg.Date.min = 'Path `{PATH}` ({VALUE}) is before minimum allowed value ({MIN}).';
+msg.Date.max = 'Path `{PATH}` ({VALUE}) is after maximum allowed value ({MAX}).';
+
+msg.String = {};
+msg.String.enum = '`{VALUE}` is not a valid enum value for path `{PATH}`.';
+msg.String.match = 'Path `{PATH}` is invalid ({VALUE}).';
+msg.String.minlength = 'Path `{PATH}` (`{VALUE}`) is shorter than the minimum allowed length ({MINLENGTH}).';
+msg.String.maxlength = 'Path `{PATH}` (`{VALUE}`) is longer than the maximum allowed length ({MAXLENGTH}).';
diff --git a/node_modules/mongoose/lib/error/missingSchema.js b/node_modules/mongoose/lib/error/missingSchema.js
new file mode 100644
index 000000000..50c81054a
--- /dev/null
+++ b/node_modules/mongoose/lib/error/missingSchema.js
@@ -0,0 +1,31 @@
+
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseError = require('./');
+
+class MissingSchemaError extends MongooseError {
+  /**
+   * MissingSchema Error constructor.
+   * @param {String} name
+   * @api private
+   */
+  constructor(name) {
+    const msg = 'Schema hasn\'t been registered for model "' + name + '".\n'
+            + 'Use mongoose.model(name, schema)';
+    super(msg);
+  }
+}
+
+Object.defineProperty(MissingSchemaError.prototype, 'name', {
+  value: 'MissingSchemaError'
+});
+
+/*!
+ * exports
+ */
+
+module.exports = MissingSchemaError;
diff --git a/node_modules/mongoose/lib/error/mongooseError.js b/node_modules/mongoose/lib/error/mongooseError.js
new file mode 100644
index 000000000..5505105cb
--- /dev/null
+++ b/node_modules/mongoose/lib/error/mongooseError.js
@@ -0,0 +1,13 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+class MongooseError extends Error { }
+
+Object.defineProperty(MongooseError.prototype, 'name', {
+  value: 'MongooseError'
+});
+
+module.exports = MongooseError;
diff --git a/node_modules/mongoose/lib/error/notFound.js b/node_modules/mongoose/lib/error/notFound.js
new file mode 100644
index 000000000..e1064bb89
--- /dev/null
+++ b/node_modules/mongoose/lib/error/notFound.js
@@ -0,0 +1,45 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const MongooseError = require('./');
+const util = require('util');
+
+class DocumentNotFoundError extends MongooseError {
+  /**
+   * OverwriteModel Error constructor.
+   * @api private
+   */
+  constructor(filter, model, numAffected, result) {
+    let msg;
+    const messages = MongooseError.messages;
+    if (messages.DocumentNotFoundError != null) {
+      msg = typeof messages.DocumentNotFoundError === 'function' ?
+        messages.DocumentNotFoundError(filter, model) :
+        messages.DocumentNotFoundError;
+    } else {
+      msg = 'No document found for query "' + util.inspect(filter) +
+        '" on model "' + model + '"';
+    }
+
+    super(msg);
+
+    this.result = result;
+    this.numAffected = numAffected;
+    this.filter = filter;
+    // Backwards compat
+    this.query = filter;
+  }
+}
+
+Object.defineProperty(DocumentNotFoundError.prototype, 'name', {
+  value: 'DocumentNotFoundError'
+});
+
+/*!
+ * exports
+ */
+
+module.exports = DocumentNotFoundError;
diff --git a/node_modules/mongoose/lib/error/objectExpected.js b/node_modules/mongoose/lib/error/objectExpected.js
new file mode 100644
index 000000000..6506f6065
--- /dev/null
+++ b/node_modules/mongoose/lib/error/objectExpected.js
@@ -0,0 +1,30 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseError = require('./');
+
+
+class ObjectExpectedError extends MongooseError {
+  /**
+   * Strict mode error constructor
+   *
+   * @param {string} type
+   * @param {string} value
+   * @api private
+   */
+  constructor(path, val) {
+    const typeDescription = Array.isArray(val) ? 'array' : 'primitive value';
+    super('Tried to set nested object field `' + path +
+      `\` to ${typeDescription} \`` + val + '`');
+    this.path = path;
+  }
+}
+
+Object.defineProperty(ObjectExpectedError.prototype, 'name', {
+  value: 'ObjectExpectedError'
+});
+
+module.exports = ObjectExpectedError;
diff --git a/node_modules/mongoose/lib/error/objectParameter.js b/node_modules/mongoose/lib/error/objectParameter.js
new file mode 100644
index 000000000..5881a481a
--- /dev/null
+++ b/node_modules/mongoose/lib/error/objectParameter.js
@@ -0,0 +1,30 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseError = require('./');
+
+class ObjectParameterError extends MongooseError {
+  /**
+   * Constructor for errors that happen when a parameter that's expected to be
+   * an object isn't an object
+   *
+   * @param {Any} value
+   * @param {String} paramName
+   * @param {String} fnName
+   * @api private
+   */
+  constructor(value, paramName, fnName) {
+    super('Parameter "' + paramName + '" to ' + fnName +
+      '() must be an object, got ' + value.toString());
+  }
+}
+
+
+Object.defineProperty(ObjectParameterError.prototype, 'name', {
+  value: 'ObjectParameterError'
+});
+
+module.exports = ObjectParameterError;
diff --git a/node_modules/mongoose/lib/error/overwriteModel.js b/node_modules/mongoose/lib/error/overwriteModel.js
new file mode 100644
index 000000000..1ff180b04
--- /dev/null
+++ b/node_modules/mongoose/lib/error/overwriteModel.js
@@ -0,0 +1,30 @@
+
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseError = require('./');
+
+
+class OverwriteModelError extends MongooseError {
+  /**
+   * OverwriteModel Error constructor.
+   * @param {String} name
+   * @api private
+   */
+  constructor(name) {
+    super('Cannot overwrite `' + name + '` model once compiled.');
+  }
+}
+
+Object.defineProperty(OverwriteModelError.prototype, 'name', {
+  value: 'OverwriteModelError'
+});
+
+/*!
+ * exports
+ */
+
+module.exports = OverwriteModelError;
diff --git a/node_modules/mongoose/lib/error/parallelSave.js b/node_modules/mongoose/lib/error/parallelSave.js
new file mode 100644
index 000000000..e0628576d
--- /dev/null
+++ b/node_modules/mongoose/lib/error/parallelSave.js
@@ -0,0 +1,30 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const MongooseError = require('./');
+
+class ParallelSaveError extends MongooseError {
+  /**
+   * ParallelSave Error constructor.
+   *
+   * @param {Document} doc
+   * @api private
+   */
+  constructor(doc) {
+    const msg = 'Can\'t save() the same doc multiple times in parallel. Document: ';
+    super(msg + doc._id);
+  }
+}
+
+Object.defineProperty(ParallelSaveError.prototype, 'name', {
+  value: 'ParallelSaveError'
+});
+
+/*!
+ * exports
+ */
+
+module.exports = ParallelSaveError;
diff --git a/node_modules/mongoose/lib/error/parallelValidate.js b/node_modules/mongoose/lib/error/parallelValidate.js
new file mode 100644
index 000000000..477954dc8
--- /dev/null
+++ b/node_modules/mongoose/lib/error/parallelValidate.js
@@ -0,0 +1,31 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const MongooseError = require('./mongooseError');
+
+
+class ParallelValidateError extends MongooseError {
+  /**
+   * ParallelValidate Error constructor.
+   *
+   * @param {Document} doc
+   * @api private
+   */
+  constructor(doc) {
+    const msg = 'Can\'t validate() the same doc multiple times in parallel. Document: ';
+    super(msg + doc._id);
+  }
+}
+
+Object.defineProperty(ParallelValidateError.prototype, 'name', {
+  value: 'ParallelValidateError'
+});
+
+/*!
+ * exports
+ */
+
+module.exports = ParallelValidateError;
diff --git a/node_modules/mongoose/lib/error/serverSelection.js b/node_modules/mongoose/lib/error/serverSelection.js
new file mode 100644
index 000000000..162e2fceb
--- /dev/null
+++ b/node_modules/mongoose/lib/error/serverSelection.js
@@ -0,0 +1,61 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseError = require('./mongooseError');
+const allServersUnknown = require('../helpers/topology/allServersUnknown');
+const isAtlas = require('../helpers/topology/isAtlas');
+const isSSLError = require('../helpers/topology/isSSLError');
+
+/*!
+ * ignore
+ */
+
+const atlasMessage = 'Could not connect to any servers in your MongoDB Atlas cluster. ' +
+  'One common reason is that you\'re trying to access the database from ' +
+  'an IP that isn\'t whitelisted. Make sure your current IP address is on your Atlas ' +
+  'cluster\'s IP whitelist: https://docs.atlas.mongodb.com/security-whitelist/';
+
+const sslMessage = 'Mongoose is connecting with SSL enabled, but the server is ' +
+  'not accepting SSL connections. Please ensure that the MongoDB server you are ' +
+  'connecting to is configured to accept SSL connections. Learn more: ' +
+  'https://mongoosejs.com/docs/tutorials/ssl.html';
+
+class MongooseServerSelectionError extends MongooseError {
+  /**
+   * MongooseServerSelectionError constructor
+   *
+   * @api private
+   */
+  assimilateError(err) {
+    const reason = err.reason;
+    // Special message for a case that is likely due to IP whitelisting issues.
+    const isAtlasWhitelistError = isAtlas(reason) &&
+      allServersUnknown(reason) &&
+      err.message.indexOf('bad auth') === -1 &&
+      err.message.indexOf('Authentication failed') === -1;
+
+    if (isAtlasWhitelistError) {
+      this.message = atlasMessage;
+    } else if (isSSLError(reason)) {
+      this.message = sslMessage;
+    } else {
+      this.message = err.message;
+    }
+    for (const key in err) {
+      if (key !== 'name') {
+        this[key] = err[key];
+      }
+    }
+
+    return this;
+  }
+}
+
+Object.defineProperty(MongooseServerSelectionError.prototype, 'name', {
+  value: 'MongooseServerSelectionError'
+});
+
+module.exports = MongooseServerSelectionError;
diff --git a/node_modules/mongoose/lib/error/strict.js b/node_modules/mongoose/lib/error/strict.js
new file mode 100644
index 000000000..393ca6e1f
--- /dev/null
+++ b/node_modules/mongoose/lib/error/strict.js
@@ -0,0 +1,33 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseError = require('./');
+
+
+class StrictModeError extends MongooseError {
+  /**
+   * Strict mode error constructor
+   *
+   * @param {String} path
+   * @param {String} [msg]
+   * @param {Boolean} [immutable]
+   * @inherits MongooseError
+   * @api private
+   */
+  constructor(path, msg, immutable) {
+    msg = msg || 'Field `' + path + '` is not in schema and strict ' +
+      'mode is set to throw.';
+    super(msg);
+    this.isImmutableError = !!immutable;
+    this.path = path;
+  }
+}
+
+Object.defineProperty(StrictModeError.prototype, 'name', {
+  value: 'StrictModeError'
+});
+
+module.exports = StrictModeError;
diff --git a/node_modules/mongoose/lib/error/strictPopulate.js b/node_modules/mongoose/lib/error/strictPopulate.js
new file mode 100644
index 000000000..f7addfa52
--- /dev/null
+++ b/node_modules/mongoose/lib/error/strictPopulate.js
@@ -0,0 +1,29 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseError = require('./');
+
+class StrictPopulateError extends MongooseError {
+  /**
+   * Strict mode error constructor
+   *
+   * @param {String} path
+   * @param {String} [msg]
+   * @inherits MongooseError
+   * @api private
+   */
+  constructor(path, msg) {
+    msg = msg || 'Cannot populate path `' + path + '` because it is not in your schema. ' + 'Set the `strictPopulate` option to false to override.';
+    super(msg);
+    this.path = path;
+  }
+}
+
+Object.defineProperty(StrictPopulateError.prototype, 'name', {
+  value: 'StrictPopulateError'
+});
+
+module.exports = StrictPopulateError;
diff --git a/node_modules/mongoose/lib/error/syncIndexes.js b/node_modules/mongoose/lib/error/syncIndexes.js
new file mode 100644
index 000000000..54f345ba7
--- /dev/null
+++ b/node_modules/mongoose/lib/error/syncIndexes.js
@@ -0,0 +1,30 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const MongooseError = require('./mongooseError');
+
+/**
+ * SyncIndexes Error constructor.
+ *
+ * @param {String} message
+ * @param {String} errorsMap
+ * @inherits MongooseError
+ * @api private
+ */
+
+class SyncIndexesError extends MongooseError {
+  constructor(message, errorsMap) {
+    super(message);
+    this.errors = errorsMap;
+  }
+}
+
+Object.defineProperty(SyncIndexesError.prototype, 'name', {
+  value: 'SyncIndexesError'
+});
+
+
+module.exports = SyncIndexesError;
diff --git a/node_modules/mongoose/lib/error/validation.js b/node_modules/mongoose/lib/error/validation.js
new file mode 100644
index 000000000..1c3e8639a
--- /dev/null
+++ b/node_modules/mongoose/lib/error/validation.js
@@ -0,0 +1,123 @@
+/*!
+ * Module requirements
+ */
+
+'use strict';
+
+const MongooseError = require('./mongooseError');
+const getConstructorName = require('../helpers/getConstructorName');
+const util = require('util');
+
+class ValidationError extends MongooseError {
+  /**
+   * Document Validation Error
+   *
+   * @api private
+   * @param {Document} [instance]
+   * @inherits MongooseError
+   */
+  constructor(instance) {
+    let _message;
+    if (getConstructorName(instance) === 'model') {
+      _message = instance.constructor.modelName + ' validation failed';
+    } else {
+      _message = 'Validation failed';
+    }
+
+    super(_message);
+
+    this.errors = {};
+    this._message = _message;
+
+    if (instance) {
+      instance.$errors = this.errors;
+    }
+  }
+
+  /**
+   * Console.log helper
+   */
+  toString() {
+    return this.name + ': ' + _generateMessage(this);
+  }
+
+  /**
+   * inspect helper
+   * @api private
+   */
+  inspect() {
+    return Object.assign(new Error(this.message), this);
+  }
+
+  /**
+  * add message
+  * @param {String} path
+  * @param {String|Error} error
+  * @api private
+  */
+  addError(path, error) {
+    if (error instanceof ValidationError) {
+      const { errors } = error;
+      for (const errorPath of Object.keys(errors)) {
+        this.addError(`${path}.${errorPath}`, errors[errorPath]);
+      }
+
+      return;
+    }
+
+    this.errors[path] = error;
+    this.message = this._message + ': ' + _generateMessage(this);
+  }
+}
+
+
+if (util.inspect.custom) {
+  // Avoid Node deprecation warning DEP0079
+  ValidationError.prototype[util.inspect.custom] = ValidationError.prototype.inspect;
+}
+
+/**
+ * Helper for JSON.stringify
+ * Ensure `name` and `message` show up in toJSON output re: gh-9847
+ * @api private
+ */
+Object.defineProperty(ValidationError.prototype, 'toJSON', {
+  enumerable: false,
+  writable: false,
+  configurable: true,
+  value: function() {
+    return Object.assign({}, this, { name: this.name, message: this.message });
+  }
+});
+
+
+Object.defineProperty(ValidationError.prototype, 'name', {
+  value: 'ValidationError'
+});
+
+/*!
+ * ignore
+ */
+
+function _generateMessage(err) {
+  const keys = Object.keys(err.errors || {});
+  const len = keys.length;
+  const msgs = [];
+  let key;
+
+  for (let i = 0; i < len; ++i) {
+    key = keys[i];
+    if (err === err.errors[key]) {
+      continue;
+    }
+    msgs.push(key + ': ' + err.errors[key].message);
+  }
+
+  return msgs.join(', ');
+}
+
+/*!
+ * Module exports
+ */
+
+module.exports = ValidationError;
diff --git a/node_modules/mongoose/lib/error/validator.js b/node_modules/mongoose/lib/error/validator.js
new file mode 100644
index 000000000..6d54fe7f4
--- /dev/null
+++ b/node_modules/mongoose/lib/error/validator.js
@@ -0,0 +1,98 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseError = require('./');
+
+
+class ValidatorError extends MongooseError {
+  /**
+   * Schema validator error
+   *
+   * @param {Object} properties
+   * @api private
+   */
+  constructor(properties) {
+    let msg = properties.message;
+    if (!msg) {
+      msg = MongooseError.messages.general.default;
+    }
+
+    const message = formatMessage(msg, properties);
+    super(message);
+
+    properties = Object.assign({}, properties, { message: message });
+    this.properties = properties;
+    this.kind = properties.type;
+    this.path = properties.path;
+    this.value = properties.value;
+    this.reason = properties.reason;
+  }
+
+  /**
+   * toString helper
+   * TODO remove? This defaults to `${this.name}: ${this.message}`
+   * @api private
+   */
+  toString() {
+    return this.message;
+  }
+
+  /**
+   * Ensure `name` and `message` show up in toJSON output re: gh-9296
+   * @api private
+   */
+
+  toJSON() {
+    return Object.assign({ name: this.name, message: this.message }, this);
+  }
+}
+
+
+Object.defineProperty(ValidatorError.prototype, 'name', {
+  value: 'ValidatorError'
+});
+
+/**
+ * The object used to define this validator. Not enumerable to hide
+ * it from `require('util').inspect()` output re: gh-3925
+ * @api private
+ */
+
+Object.defineProperty(ValidatorError.prototype, 'properties', {
+  enumerable: false,
+  writable: true,
+  value: null
+});
+
+// Exposed for testing
+ValidatorError.prototype.formatMessage = formatMessage;
+
+/**
+ * Formats error messages
+ * @api private
+ */
+
+function formatMessage(msg, properties) {
+  if (typeof msg === 'function') {
+    return msg(properties);
+  }
+
+  const propertyNames = Object.keys(properties);
+  for (const propertyName of propertyNames) {
+    if (propertyName === 'message') {
+      continue;
+    }
+    msg = msg.replace('{' + propertyName.toUpperCase() + '}', properties[propertyName]);
+  }
+
+  return msg;
+}
+
+/*!
+ * exports
+ */
+
+module.exports = ValidatorError;
diff --git a/node_modules/mongoose/lib/error/version.js b/node_modules/mongoose/lib/error/version.js
new file mode 100644
index 000000000..b357fb16c
--- /dev/null
+++ b/node_modules/mongoose/lib/error/version.js
@@ -0,0 +1,36 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const MongooseError = require('./');
+
+class VersionError extends MongooseError {
+  /**
+   * Version Error constructor.
+   *
+   * @param {Document} doc
+   * @param {Number} currentVersion
+   * @param {Array<String>} modifiedPaths
+   * @api private
+   */
+  constructor(doc, currentVersion, modifiedPaths) {
+    const modifiedPathsStr = modifiedPaths.join(', ');
+    super('No matching document found for id "' + doc._id +
+      '" version ' + currentVersion + ' modifiedPaths "' + modifiedPathsStr + '"');
+    this.version = currentVersion;
+    this.modifiedPaths = modifiedPaths;
+  }
+}
+
+
+Object.defineProperty(VersionError.prototype, 'name', {
+  value: 'VersionError'
+});
+
+/*!
+ * exports
+ */
+
+module.exports = VersionError;
diff --git a/node_modules/mongoose/lib/helpers/aggregate/prepareDiscriminatorPipeline.js b/node_modules/mongoose/lib/helpers/aggregate/prepareDiscriminatorPipeline.js
new file mode 100644
index 000000000..d06e8d70d
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/aggregate/prepareDiscriminatorPipeline.js
@@ -0,0 +1,37 @@
+'use strict';
+
+module.exports = function prepareDiscriminatorPipeline(pipeline, schema, prefix) {
+  const discriminatorMapping = schema && schema.discriminatorMapping;
+  prefix = prefix || '';
+
+  if (discriminatorMapping && !discriminatorMapping.isRoot) {
+    const originalPipeline = pipeline;
+    const filterKey = (prefix.length > 0 ? prefix + '.' : prefix) + discriminatorMapping.key;
+    const discriminatorValue = discriminatorMapping.value;
+
+    // If the first pipeline stage is a match and it doesn't specify a `__t`
+    // key, add the discriminator key to it. This allows for potential
+    // aggregation query optimizations not to be disturbed by this feature.
+    if (originalPipeline[0] != null && originalPipeline[0].$match && !originalPipeline[0].$match[filterKey]) {
+      originalPipeline[0].$match[filterKey] = discriminatorValue;
+      // `originalPipeline` is a ref, so there's no need for
+      // aggregate._pipeline = originalPipeline
+    } else if (originalPipeline[0] != null && originalPipeline[0].$geoNear) {
+      originalPipeline[0].$geoNear.query =
+          originalPipeline[0].$geoNear.query || {};
+      originalPipeline[0].$geoNear.query[filterKey] = discriminatorValue;
+    } else if (originalPipeline[0] != null && originalPipeline[0].$search) {
+      if (originalPipeline[1] && originalPipeline[1].$match != null) {
+        originalPipeline[1].$match[filterKey] = originalPipeline[1].$match[filterKey] || discriminatorValue;
+      } else {
+        const match = {};
+        match[filterKey] = discriminatorValue;
+        originalPipeline.splice(1, 0, { $match: match });
+      }
+    } else {
+      const match = {};
+      match[filterKey] = discriminatorValue;
+      originalPipeline.unshift({ $match: match });
+    }
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/aggregate/stringifyFunctionOperators.js b/node_modules/mongoose/lib/helpers/aggregate/stringifyFunctionOperators.js
new file mode 100644
index 000000000..1f5d1e395
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/aggregate/stringifyFunctionOperators.js
@@ -0,0 +1,50 @@
+'use strict';
+
+module.exports = function stringifyFunctionOperators(pipeline) {
+  if (!Array.isArray(pipeline)) {
+    return;
+  }
+
+  for (const stage of pipeline) {
+    if (stage == null) {
+      continue;
+    }
+
+    const canHaveAccumulator = stage.$group || stage.$bucket || stage.$bucketAuto;
+    if (canHaveAccumulator != null) {
+      for (const key of Object.keys(canHaveAccumulator)) {
+        handleAccumulator(canHaveAccumulator[key]);
+      }
+    }
+
+    const stageType = Object.keys(stage)[0];
+    if (stageType && typeof stage[stageType] === 'object') {
+      const stageOptions = stage[stageType];
+      for (const key of Object.keys(stageOptions)) {
+        if (stageOptions[key] != null &&
+            stageOptions[key].$function != null &&
+            typeof stageOptions[key].$function.body === 'function') {
+          stageOptions[key].$function.body = stageOptions[key].$function.body.toString();
+        }
+      }
+    }
+
+    if (stage.$facet != null) {
+      for (const key of Object.keys(stage.$facet)) {
+        stringifyFunctionOperators(stage.$facet[key]);
+      }
+    }
+  }
+};
+
+function handleAccumulator(operator) {
+  if (operator == null || operator.$accumulator == null) {
+    return;
+  }
+
+  for (const key of ['init', 'accumulate', 'merge', 'finalize']) {
+    if (typeof operator.$accumulator[key] === 'function') {
+      operator.$accumulator[key] = String(operator.$accumulator[key]);
+    }
+  }
+}
diff --git a/node_modules/mongoose/lib/helpers/arrayDepth.js b/node_modules/mongoose/lib/helpers/arrayDepth.js
new file mode 100644
index 000000000..16b92c13a
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/arrayDepth.js
@@ -0,0 +1,33 @@
+'use strict';
+
+module.exports = arrayDepth;
+
+function arrayDepth(arr) {
+  if (!Array.isArray(arr)) {
+    return { min: 0, max: 0, containsNonArrayItem: true };
+  }
+  if (arr.length === 0) {
+    return { min: 1, max: 1, containsNonArrayItem: false };
+  }
+  if (arr.length === 1 && !Array.isArray(arr[0])) {
+    return { min: 1, max: 1, containsNonArrayItem: false };
+  }
+
+  const res = arrayDepth(arr[0]);
+
+  for (let i = 1; i < arr.length; ++i) {
+    const _res = arrayDepth(arr[i]);
+    if (_res.min < res.min) {
+      res.min = _res.min;
+    }
+    if (_res.max > res.max) {
+      res.max = _res.max;
+    }
+    res.containsNonArrayItem = res.containsNonArrayItem || _res.containsNonArrayItem;
+  }
+
+  res.min = res.min + 1;
+  res.max = res.max + 1;
+
+  return res;
+}
diff --git a/node_modules/mongoose/lib/helpers/clone.js b/node_modules/mongoose/lib/helpers/clone.js
new file mode 100644
index 000000000..f7ee5d8d2
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/clone.js
@@ -0,0 +1,177 @@
+'use strict';
+
+const Decimal = require('../types/decimal128');
+const ObjectId = require('../types/objectid');
+const specialProperties = require('./specialProperties');
+const isMongooseObject = require('./isMongooseObject');
+const getFunctionName = require('./getFunctionName');
+const isBsonType = require('./isBsonType');
+const isObject = require('./isObject');
+const symbols = require('./symbols');
+const trustedSymbol = require('./query/trusted').trustedSymbol;
+const utils = require('../utils');
+
+
+/**
+ * Object clone with Mongoose natives support.
+ *
+ * If options.minimize is true, creates a minimal data object. Empty objects and undefined values will not be cloned. This makes the data payload sent to MongoDB as small as possible.
+ *
+ * Functions are never cloned.
+ *
+ * @param {Object} obj the object to clone
+ * @param {Object} options
+ * @param {Boolean} isArrayChild true if cloning immediately underneath an array. Special case for minimize.
+ * @return {Object} the cloned object
+ * @api private
+ */
+
+function clone(obj, options, isArrayChild) {
+  if (obj == null) {
+    return obj;
+  }
+
+  if (Array.isArray(obj)) {
+    return cloneArray(utils.isMongooseArray(obj) ? obj.__array : obj, options);
+  }
+
+  if (isMongooseObject(obj)) {
+    // Single nested subdocs should apply getters later in `applyGetters()`
+    // when calling `toObject()`. See gh-7442, gh-8295
+    if (options && options._skipSingleNestedGetters && obj.$isSingleNested) {
+      options = Object.assign({}, options, { getters: false });
+    }
+    const isSingleNested = obj.$isSingleNested;
+
+    if (utils.isPOJO(obj) && obj.$__ != null && obj._doc != null) {
+      return obj._doc;
+    }
+
+    let ret;
+    if (options && options.json && typeof obj.toJSON === 'function') {
+      ret = obj.toJSON(options);
+    } else {
+      ret = obj.toObject(options);
+    }
+
+    if (options && options.minimize && isSingleNested && Object.keys(ret).length === 0) {
+      return undefined;
+    }
+
+    return ret;
+  }
+
+  const objConstructor = obj.constructor;
+
+  if (objConstructor) {
+    switch (getFunctionName(objConstructor)) {
+      case 'Object':
+        return cloneObject(obj, options, isArrayChild);
+      case 'Date':
+        return new objConstructor(+obj);
+      case 'RegExp':
+        return cloneRegExp(obj);
+      default:
+        // ignore
+        break;
+    }
+  }
+
+  if (isBsonType(obj, 'ObjectID')) {
+    return new ObjectId(obj.id);
+  }
+
+  if (isBsonType(obj, 'Decimal128')) {
+    if (options && options.flattenDecimals) {
+      return obj.toJSON();
+    }
+    return Decimal.fromString(obj.toString());
+  }
+
+  // object created with Object.create(null)
+  if (!objConstructor && isObject(obj)) {
+    return cloneObject(obj, options, isArrayChild);
+  }
+
+  if (typeof obj === 'object' && obj[symbols.schemaTypeSymbol]) {
+    return obj.clone();
+  }
+
+  // If we're cloning this object to go into a MongoDB command,
+  // and there's a `toBSON()` function, assume this object will be
+  // stored as a primitive in MongoDB and doesn't need to be cloned.
+  if (options && options.bson && typeof obj.toBSON === 'function') {
+    return obj;
+  }
+
+  if (typeof obj.valueOf === 'function') {
+    return obj.valueOf();
+  }
+
+  return cloneObject(obj, options, isArrayChild);
+}
+module.exports = clone;
+
+/*!
+ * ignore
+ */
+
+function cloneObject(obj, options, isArrayChild) {
+  const minimize = options && options.minimize;
+  const omitUndefined = options && options.omitUndefined;
+  const seen = options && options._seen;
+  const ret = {};
+  let hasKeys;
+
+  if (seen && seen.has(obj)) {
+    return seen.get(obj);
+  } else if (seen) {
+    seen.set(obj, ret);
+  }
+  if (trustedSymbol in obj) {
+    ret[trustedSymbol] = obj[trustedSymbol];
+  }
+
+  let i = 0;
+  let key = '';
+  const keys = Object.keys(obj);
+  const len = keys.length;
+
+  for (i = 0; i < len; ++i) {
+    if (specialProperties.has(key = keys[i])) {
+      continue;
+    }
+
+    // Don't pass `isArrayChild` down
+    const val = clone(obj[key], options, false);
+
+    if ((minimize === false || omitUndefined) && typeof val === 'undefined') {
+      delete ret[key];
+    } else if (minimize !== true || (typeof val !== 'undefined')) {
+      hasKeys || (hasKeys = true);
+      ret[key] = val;
+    }
+  }
+
+  return minimize && !isArrayChild ? hasKeys && ret : ret;
+}
+
+function cloneArray(arr, options) {
+  let i = 0;
+  const len = arr.length;
+  const ret = new Array(len);
+  for (i = 0; i < len; ++i) {
+    ret[i] = clone(arr[i], options, true);
+  }
+
+  return ret;
+}
+
+function cloneRegExp(regexp) {
+  const ret = new RegExp(regexp.source, regexp.flags);
+
+  if (ret.lastIndex !== regexp.lastIndex) {
+    ret.lastIndex = regexp.lastIndex;
+  }
+  return ret;
+}
diff --git a/node_modules/mongoose/lib/helpers/common.js b/node_modules/mongoose/lib/helpers/common.js
new file mode 100644
index 000000000..c1433ce47
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/common.js
@@ -0,0 +1,106 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const Binary = require('../driver').get().Binary;
+const isBsonType = require('./isBsonType');
+const isMongooseObject = require('./isMongooseObject');
+
+exports.flatten = flatten;
+exports.modifiedPaths = modifiedPaths;
+
+/*!
+ * ignore
+ */
+
+function flatten(update, path, options, schema) {
+  let keys;
+  if (update && isMongooseObject(update) && !Buffer.isBuffer(update)) {
+    keys = Object.keys(update.toObject({ transform: false, virtuals: false }) || {});
+  } else {
+    keys = Object.keys(update || {});
+  }
+
+  const numKeys = keys.length;
+  const result = {};
+  path = path ? path + '.' : '';
+
+  for (let i = 0; i < numKeys; ++i) {
+    const key = keys[i];
+    const val = update[key];
+    result[path + key] = val;
+
+    // Avoid going into mixed paths if schema is specified
+    const keySchema = schema && schema.path && schema.path(path + key);
+    const isNested = schema && schema.nested && schema.nested[path + key];
+    if (keySchema && keySchema.instance === 'Mixed') continue;
+
+    if (shouldFlatten(val)) {
+      if (options && options.skipArrays && Array.isArray(val)) {
+        continue;
+      }
+      const flat = flatten(val, path + key, options, schema);
+      for (const k in flat) {
+        result[k] = flat[k];
+      }
+      if (Array.isArray(val)) {
+        result[path + key] = val;
+      }
+    }
+
+    if (isNested) {
+      const paths = Object.keys(schema.paths);
+      for (const p of paths) {
+        if (p.startsWith(path + key + '.') && !result.hasOwnProperty(p)) {
+          result[p] = void 0;
+        }
+      }
+    }
+  }
+
+  return result;
+}
+
+/*!
+ * ignore
+ */
+
+function modifiedPaths(update, path, result) {
+  const keys = Object.keys(update || {});
+  const numKeys = keys.length;
+  result = result || {};
+  path = path ? path + '.' : '';
+
+  for (let i = 0; i < numKeys; ++i) {
+    const key = keys[i];
+    let val = update[key];
+
+    const _path = path + key;
+    result[_path] = true;
+    if (!Buffer.isBuffer(val) && isMongooseObject(val)) {
+      val = val.toObject({ transform: false, virtuals: false });
+    }
+    if (shouldFlatten(val)) {
+      modifiedPaths(val, path + key, result);
+    }
+  }
+
+  return result;
+}
+
+/*!
+ * ignore
+ */
+
+function shouldFlatten(val) {
+  return val &&
+    typeof val === 'object' &&
+    !(val instanceof Date) &&
+    !isBsonType(val, 'ObjectID') &&
+    (!Array.isArray(val) || val.length !== 0) &&
+    !(val instanceof Buffer) &&
+    !isBsonType(val, 'Decimal128') &&
+    !(val instanceof Binary);
+}
diff --git a/node_modules/mongoose/lib/helpers/cursor/eachAsync.js b/node_modules/mongoose/lib/helpers/cursor/eachAsync.js
new file mode 100644
index 000000000..735fd2d81
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/cursor/eachAsync.js
@@ -0,0 +1,208 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const EachAsyncMultiError = require('../../error/eachAsyncMultiError');
+const immediate = require('../immediate');
+const promiseOrCallback = require('../promiseOrCallback');
+
+/**
+ * Execute `fn` for every document in the cursor. If `fn` returns a promise,
+ * will wait for the promise to resolve before iterating on to the next one.
+ * Returns a promise that resolves when done.
+ *
+ * @param {Function} next the thunk to call to get the next document
+ * @param {Function} fn
+ * @param {Object} options
+ * @param {Number} [options.batchSize=null] if set, Mongoose will call `fn` with an array of at most `batchSize` documents, instead of a single document
+ * @param {Number} [options.parallel=1] maximum number of `fn` calls that Mongoose will run in parallel
+ * @param {AbortSignal} [options.signal] allow cancelling this eachAsync(). Once the abort signal is fired, `eachAsync()` will immediately fulfill the returned promise (or call the callback) and not fetch any more documents.
+ * @param {Function} [callback] executed when all docs have been processed
+ * @return {Promise}
+ * @api public
+ * @method eachAsync
+ */
+
+module.exports = function eachAsync(next, fn, options, callback) {
+  const parallel = options.parallel || 1;
+  const batchSize = options.batchSize;
+  const signal = options.signal;
+  const continueOnError = options.continueOnError;
+  const aggregatedErrors = [];
+  const enqueue = asyncQueue();
+
+  let drained = false;
+
+  return promiseOrCallback(callback, cb => {
+    if (signal != null) {
+      if (signal.aborted) {
+        return cb(null);
+      }
+
+      signal.addEventListener('abort', () => {
+        drained = true;
+        return cb(null);
+      }, { once: true });
+    }
+
+    if (batchSize != null) {
+      if (typeof batchSize !== 'number') {
+        throw new TypeError('batchSize must be a number');
+      } else if (!Number.isInteger(batchSize)) {
+        throw new TypeError('batchSize must be an integer');
+      } else if (batchSize < 1) {
+        throw new TypeError('batchSize must be at least 1');
+      }
+    }
+
+    iterate(cb);
+  });
+
+  function iterate(finalCallback) {
+    let handleResultsInProgress = 0;
+    let currentDocumentIndex = 0;
+    let documentsBatch = [];
+
+    let error = null;
+    for (let i = 0; i < parallel; ++i) {
+      enqueue(fetch);
+    }
+
+    function fetch(done) {
+      if (drained || error) {
+        return done();
+      }
+
+      next(function(err, doc) {
+        if (drained || error != null) {
+          return done();
+        }
+        if (err != null) {
+          if (continueOnError) {
+            aggregatedErrors.push(err);
+          } else {
+            error = err;
+            finalCallback(err);
+            return done();
+          }
+        }
+        if (doc == null) {
+          drained = true;
+          if (handleResultsInProgress <= 0) {
+            const finalErr = continueOnError ?
+              createEachAsyncMultiError(aggregatedErrors) :
+              error;
+
+            finalCallback(finalErr);
+          } else if (batchSize && documentsBatch.length) {
+            handleNextResult(documentsBatch, currentDocumentIndex++, handleNextResultCallBack);
+          }
+          return done();
+        }
+
+        ++handleResultsInProgress;
+
+        // Kick off the subsequent `next()` before handling the result, but
+        // make sure we know that we still have a result to handle re: #8422
+        immediate(() => done());
+
+        if (batchSize) {
+          documentsBatch.push(doc);
+        }
+
+        // If the current documents size is less than the provided patch size don't process the documents yet
+        if (batchSize && documentsBatch.length !== batchSize) {
+          immediate(() => enqueue(fetch));
+          return;
+        }
+
+        const docsToProcess = batchSize ? documentsBatch : doc;
+
+        function handleNextResultCallBack(err) {
+          if (batchSize) {
+            handleResultsInProgress -= documentsBatch.length;
+            documentsBatch = [];
+          } else {
+            --handleResultsInProgress;
+          }
+          if (err != null) {
+            if (continueOnError) {
+              aggregatedErrors.push(err);
+            } else {
+              error = err;
+              return finalCallback(err);
+            }
+          }
+          if (drained && handleResultsInProgress <= 0) {
+            const finalErr = continueOnError ?
+              createEachAsyncMultiError(aggregatedErrors) :
+              error;
+            return finalCallback(finalErr);
+          }
+
+          immediate(() => enqueue(fetch));
+        }
+
+        handleNextResult(docsToProcess, currentDocumentIndex++, handleNextResultCallBack);
+      });
+    }
+  }
+
+  function handleNextResult(doc, i, callback) {
+    let maybePromise;
+    try {
+      maybePromise = fn(doc, i);
+    } catch (err) {
+      return callback(err);
+    }
+    if (maybePromise && typeof maybePromise.then === 'function') {
+      maybePromise.then(
+        function() { callback(null); },
+        function(error) {
+          callback(error || new Error('`eachAsync()` promise rejected without error'));
+        });
+    } else {
+      callback(null);
+    }
+  }
+};
+
+// `next()` can only execute one at a time, so make sure we always execute
+// `next()` in series, while still allowing multiple `fn()` instances to run
+// in parallel.
+function asyncQueue() {
+  const _queue = [];
+  let inProgress = null;
+  let id = 0;
+
+  return function enqueue(fn) {
+    if (
+      inProgress === null &&
+      _queue.length === 0
+    ) {
+      inProgress = id++;
+      return fn(_step);
+    }
+    _queue.push(fn);
+  };
+
+  function _step() {
+    if (_queue.length !== 0) {
+      inProgress = id++;
+      const fn = _queue.shift();
+      fn(_step);
+    } else {
+      inProgress = null;
+    }
+  }
+}
+
+function createEachAsyncMultiError(aggregatedErrors) {
+  if (aggregatedErrors.length === 0) {
+    return null;
+  }
+
+  return new EachAsyncMultiError(aggregatedErrors);
+}
diff --git a/node_modules/mongoose/lib/helpers/discriminator/areDiscriminatorValuesEqual.js b/node_modules/mongoose/lib/helpers/discriminator/areDiscriminatorValuesEqual.js
new file mode 100644
index 000000000..68ea93906
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/discriminator/areDiscriminatorValuesEqual.js
@@ -0,0 +1,16 @@
+'use strict';
+
+const isBsonType = require('../isBsonType');
+
+module.exports = function areDiscriminatorValuesEqual(a, b) {
+  if (typeof a === 'string' && typeof b === 'string') {
+    return a === b;
+  }
+  if (typeof a === 'number' && typeof b === 'number') {
+    return a === b;
+  }
+  if (isBsonType(a, 'ObjectID') && isBsonType(b, 'ObjectID')) {
+    return a.toString() === b.toString();
+  }
+  return false;
+};
diff --git a/node_modules/mongoose/lib/helpers/discriminator/checkEmbeddedDiscriminatorKeyProjection.js b/node_modules/mongoose/lib/helpers/discriminator/checkEmbeddedDiscriminatorKeyProjection.js
new file mode 100644
index 000000000..4eb56de4f
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/discriminator/checkEmbeddedDiscriminatorKeyProjection.js
@@ -0,0 +1,12 @@
+'use strict';
+
+module.exports = function checkEmbeddedDiscriminatorKeyProjection(userProjection, path, schema, selected, addedPaths) {
+  const userProjectedInPath = Object.keys(userProjection).
+    reduce((cur, key) => cur || key.startsWith(path + '.'), false);
+  const _discriminatorKey = path + '.' + schema.options.discriminatorKey;
+  if (!userProjectedInPath &&
+      addedPaths.length === 1 &&
+      addedPaths[0] === _discriminatorKey) {
+    selected.splice(selected.indexOf(_discriminatorKey), 1);
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/discriminator/getConstructor.js b/node_modules/mongoose/lib/helpers/discriminator/getConstructor.js
new file mode 100644
index 000000000..7a821c5c9
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/discriminator/getConstructor.js
@@ -0,0 +1,26 @@
+'use strict';
+
+const getDiscriminatorByValue = require('./getDiscriminatorByValue');
+
+/**
+ * Find the correct constructor, taking into account discriminators
+ * @api private
+ */
+
+module.exports = function getConstructor(Constructor, value) {
+  const discriminatorKey = Constructor.schema.options.discriminatorKey;
+  if (value != null &&
+      Constructor.discriminators &&
+      value[discriminatorKey] != null) {
+    if (Constructor.discriminators[value[discriminatorKey]]) {
+      Constructor = Constructor.discriminators[value[discriminatorKey]];
+    } else {
+      const constructorByValue = getDiscriminatorByValue(Constructor.discriminators, value[discriminatorKey]);
+      if (constructorByValue) {
+        Constructor = constructorByValue;
+      }
+    }
+  }
+
+  return Constructor;
+};
diff --git a/node_modules/mongoose/lib/helpers/discriminator/getDiscriminatorByValue.js b/node_modules/mongoose/lib/helpers/discriminator/getDiscriminatorByValue.js
new file mode 100644
index 000000000..af7605b39
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/discriminator/getDiscriminatorByValue.js
@@ -0,0 +1,28 @@
+'use strict';
+
+const areDiscriminatorValuesEqual = require('./areDiscriminatorValuesEqual');
+
+/**
+ * returns discriminator by discriminatorMapping.value
+ *
+ * @param {Object} discriminators
+ * @param {string} value
+ * @api private
+ */
+
+module.exports = function getDiscriminatorByValue(discriminators, value) {
+  if (discriminators == null) {
+    return null;
+  }
+  for (const name of Object.keys(discriminators)) {
+    const it = discriminators[name];
+    if (
+      it.schema &&
+      it.schema.discriminatorMapping &&
+      areDiscriminatorValuesEqual(it.schema.discriminatorMapping.value, value)
+    ) {
+      return it;
+    }
+  }
+  return null;
+};
diff --git a/node_modules/mongoose/lib/helpers/discriminator/getSchemaDiscriminatorByValue.js b/node_modules/mongoose/lib/helpers/discriminator/getSchemaDiscriminatorByValue.js
new file mode 100644
index 000000000..a04e17c1b
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/discriminator/getSchemaDiscriminatorByValue.js
@@ -0,0 +1,27 @@
+'use strict';
+
+const areDiscriminatorValuesEqual = require('./areDiscriminatorValuesEqual');
+
+/**
+ * returns discriminator by discriminatorMapping.value
+ *
+ * @param {Schema} schema
+ * @param {string} value
+ * @api private
+ */
+
+module.exports = function getSchemaDiscriminatorByValue(schema, value) {
+  if (schema == null || schema.discriminators == null) {
+    return null;
+  }
+  for (const key of Object.keys(schema.discriminators)) {
+    const discriminatorSchema = schema.discriminators[key];
+    if (discriminatorSchema.discriminatorMapping == null) {
+      continue;
+    }
+    if (areDiscriminatorValuesEqual(discriminatorSchema.discriminatorMapping.value, value)) {
+      return discriminatorSchema;
+    }
+  }
+  return null;
+};
diff --git a/node_modules/mongoose/lib/helpers/document/applyDefaults.js b/node_modules/mongoose/lib/helpers/document/applyDefaults.js
new file mode 100644
index 000000000..82a092df2
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/document/applyDefaults.js
@@ -0,0 +1,115 @@
+'use strict';
+
+module.exports = function applyDefaults(doc, fields, exclude, hasIncludedChildren, isBeforeSetters, pathsToSkip) {
+  const paths = Object.keys(doc.$__schema.paths);
+  const plen = paths.length;
+
+  for (let i = 0; i < plen; ++i) {
+    let def;
+    let curPath = '';
+    const p = paths[i];
+
+    if (p === '_id' && doc.$__.skipId) {
+      continue;
+    }
+
+    const type = doc.$__schema.paths[p];
+    const path = type.splitPath();
+    const len = path.length;
+    let included = false;
+    let doc_ = doc._doc;
+    for (let j = 0; j < len; ++j) {
+      if (doc_ == null) {
+        break;
+      }
+
+      const piece = path[j];
+      curPath += (!curPath.length ? '' : '.') + piece;
+
+      if (exclude === true) {
+        if (curPath in fields) {
+          break;
+        }
+      } else if (exclude === false && fields && !included) {
+        const hasSubpaths = type.$isSingleNested || type.$isMongooseDocumentArray;
+        if (curPath in fields || (hasSubpaths && hasIncludedChildren != null && hasIncludedChildren[curPath])) {
+          included = true;
+        } else if (hasIncludedChildren != null && !hasIncludedChildren[curPath]) {
+          break;
+        }
+      }
+
+      if (j === len - 1) {
+        if (doc_[piece] !== void 0) {
+          break;
+        }
+
+        if (isBeforeSetters != null) {
+          if (typeof type.defaultValue === 'function') {
+            if (!type.defaultValue.$runBeforeSetters && isBeforeSetters) {
+              break;
+            }
+            if (type.defaultValue.$runBeforeSetters && !isBeforeSetters) {
+              break;
+            }
+          } else if (!isBeforeSetters) {
+            // Non-function defaults should always run **before** setters
+            continue;
+          }
+        }
+
+        if (pathsToSkip && pathsToSkip[curPath]) {
+          break;
+        }
+
+        if (fields && exclude !== null) {
+          if (exclude === true) {
+            // apply defaults to all non-excluded fields
+            if (p in fields) {
+              continue;
+            }
+
+            try {
+              def = type.getDefault(doc, false);
+            } catch (err) {
+              doc.invalidate(p, err);
+              break;
+            }
+
+            if (typeof def !== 'undefined') {
+              doc_[piece] = def;
+              doc.$__.activePaths.default(p);
+            }
+          } else if (included) {
+            // selected field
+            try {
+              def = type.getDefault(doc, false);
+            } catch (err) {
+              doc.invalidate(p, err);
+              break;
+            }
+
+            if (typeof def !== 'undefined') {
+              doc_[piece] = def;
+              doc.$__.activePaths.default(p);
+            }
+          }
+        } else {
+          try {
+            def = type.getDefault(doc, false);
+          } catch (err) {
+            doc.invalidate(p, err);
+            break;
+          }
+
+          if (typeof def !== 'undefined') {
+            doc_[piece] = def;
+            doc.$__.activePaths.default(p);
+          }
+        }
+      } else {
+        doc_ = doc_[piece];
+      }
+    }
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/document/cleanModifiedSubpaths.js b/node_modules/mongoose/lib/helpers/document/cleanModifiedSubpaths.js
new file mode 100644
index 000000000..43c225e4f
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/document/cleanModifiedSubpaths.js
@@ -0,0 +1,35 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+module.exports = function cleanModifiedSubpaths(doc, path, options) {
+  options = options || {};
+  const skipDocArrays = options.skipDocArrays;
+
+  let deleted = 0;
+  if (!doc) {
+    return deleted;
+  }
+
+  for (const modifiedPath of Object.keys(doc.$__.activePaths.getStatePaths('modify'))) {
+    if (skipDocArrays) {
+      const schemaType = doc.$__schema.path(modifiedPath);
+      if (schemaType && schemaType.$isMongooseDocumentArray) {
+        continue;
+      }
+    }
+    if (modifiedPath.startsWith(path + '.')) {
+      doc.$__.activePaths.clearPath(modifiedPath);
+      ++deleted;
+
+      if (doc.$isSubdocument) {
+        const owner = doc.ownerDocument();
+        const fullPath = doc.$__fullPath(modifiedPath);
+        owner.$__.activePaths.clearPath(fullPath);
+      }
+    }
+  }
+  return deleted;
+};
diff --git a/node_modules/mongoose/lib/helpers/document/compile.js b/node_modules/mongoose/lib/helpers/document/compile.js
new file mode 100644
index 000000000..3e5a092ce
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/document/compile.js
@@ -0,0 +1,227 @@
+'use strict';
+
+const documentSchemaSymbol = require('../../helpers/symbols').documentSchemaSymbol;
+const internalToObjectOptions = require('../../options').internalToObjectOptions;
+const utils = require('../../utils');
+
+let Document;
+const getSymbol = require('../../helpers/symbols').getSymbol;
+const scopeSymbol = require('../../helpers/symbols').scopeSymbol;
+
+const isPOJO = utils.isPOJO;
+
+/*!
+ * exports
+ */
+
+exports.compile = compile;
+exports.defineKey = defineKey;
+
+const _isEmptyOptions = Object.freeze({
+  minimize: true,
+  virtuals: false,
+  getters: false,
+  transform: false
+});
+
+/**
+ * Compiles schemas.
+ * @param {Object} tree
+ * @param {Any} proto
+ * @param {String} prefix
+ * @param {Object} options
+ * @api private
+ */
+
+function compile(tree, proto, prefix, options) {
+  Document = Document || require('../../document');
+  const typeKey = options.typeKey;
+
+  for (const key of Object.keys(tree)) {
+    const limb = tree[key];
+
+    const hasSubprops = isPOJO(limb) &&
+      Object.keys(limb).length > 0 &&
+      (!limb[typeKey] || (typeKey === 'type' && isPOJO(limb.type) && limb.type.type));
+    const subprops = hasSubprops ? limb : null;
+
+    defineKey({ prop: key, subprops: subprops, prototype: proto, prefix: prefix, options: options });
+  }
+}
+
+/**
+ * Defines the accessor named prop on the incoming prototype.
+ * @param {Object} options
+ * @param {String} options.prop
+ * @param {Boolean} options.subprops
+ * @param {Any} options.prototype
+ * @param {String} [options.prefix]
+ * @param {Object} options.options
+ * @api private
+ */
+
+function defineKey({ prop, subprops, prototype, prefix, options }) {
+  Document = Document || require('../../document');
+  const path = (prefix ? prefix + '.' : '') + prop;
+  prefix = prefix || '';
+
+  if (subprops) {
+    Object.defineProperty(prototype, prop, {
+      enumerable: true,
+      configurable: true,
+      get: function() {
+        const _this = this;
+        if (!this.$__.getters) {
+          this.$__.getters = {};
+        }
+
+        if (!this.$__.getters[path]) {
+          const nested = Object.create(Document.prototype, getOwnPropertyDescriptors(this));
+
+          // save scope for nested getters/setters
+          if (!prefix) {
+            nested.$__[scopeSymbol] = this;
+          }
+          nested.$__.nestedPath = path;
+
+          Object.defineProperty(nested, 'schema', {
+            enumerable: false,
+            configurable: true,
+            writable: false,
+            value: prototype.schema
+          });
+
+          Object.defineProperty(nested, '$__schema', {
+            enumerable: false,
+            configurable: true,
+            writable: false,
+            value: prototype.schema
+          });
+
+          Object.defineProperty(nested, documentSchemaSymbol, {
+            enumerable: false,
+            configurable: true,
+            writable: false,
+            value: prototype.schema
+          });
+
+          Object.defineProperty(nested, 'toObject', {
+            enumerable: false,
+            configurable: true,
+            writable: false,
+            value: function() {
+              return utils.clone(_this.get(path, null, {
+                virtuals: this &&
+                  this.schema &&
+                  this.schema.options &&
+                  this.schema.options.toObject &&
+                  this.schema.options.toObject.virtuals || null
+              }));
+            }
+          });
+
+          Object.defineProperty(nested, '$__get', {
+            enumerable: false,
+            configurable: true,
+            writable: false,
+            value: function() {
+              return _this.get(path, null, {
+                virtuals: this && this.schema && this.schema.options && this.schema.options.toObject && this.schema.options.toObject.virtuals || null
+              });
+            }
+          });
+
+          Object.defineProperty(nested, 'toJSON', {
+            enumerable: false,
+            configurable: true,
+            writable: false,
+            value: function() {
+              return _this.get(path, null, {
+                virtuals: this && this.schema && this.schema.options && this.schema.options.toJSON && this.schema.options.toJSON.virtuals || null
+              });
+            }
+          });
+
+          Object.defineProperty(nested, '$__isNested', {
+            enumerable: false,
+            configurable: true,
+            writable: false,
+            value: true
+          });
+
+          Object.defineProperty(nested, '$isEmpty', {
+            enumerable: false,
+            configurable: true,
+            writable: false,
+            value: function() {
+              return Object.keys(this.get(path, null, _isEmptyOptions) || {}).length === 0;
+            }
+          });
+
+          Object.defineProperty(nested, '$__parent', {
+            enumerable: false,
+            configurable: true,
+            writable: false,
+            value: this
+          });
+
+          compile(subprops, nested, path, options);
+          this.$__.getters[path] = nested;
+        }
+
+        return this.$__.getters[path];
+      },
+      set: function(v) {
+        if (v != null && v.$__isNested) {
+          // Convert top-level to POJO, but leave subdocs hydrated so `$set`
+          // can handle them. See gh-9293.
+          v = v.$__get();
+        } else if (v instanceof Document && !v.$__isNested) {
+          v = v.$toObject(internalToObjectOptions);
+        }
+        const doc = this.$__[scopeSymbol] || this;
+        doc.$set(path, v);
+      }
+    });
+  } else {
+    Object.defineProperty(prototype, prop, {
+      enumerable: true,
+      configurable: true,
+      get: function() {
+        return this[getSymbol].call(this.$__[scopeSymbol] || this, path);
+      },
+      set: function(v) {
+        this.$set.call(this.$__[scopeSymbol] || this, path, v);
+      }
+    });
+  }
+}
+
+// gets descriptors for all properties of `object`
+// makes all properties non-enumerable to match previous behavior to #2211
+function getOwnPropertyDescriptors(object) {
+  const result = {};
+
+  Object.getOwnPropertyNames(object).forEach(function(key) {
+    const skip = [
+      'isNew',
+      '$__',
+      '$errors',
+      'errors',
+      '_doc',
+      '$locals',
+      '$op',
+      '__parentArray',
+      '__index',
+      '$isDocumentArrayElement'
+    ].indexOf(key) === -1;
+    if (skip) {
+      return;
+    }
+
+    result[key] = Object.getOwnPropertyDescriptor(object, key);
+    result[key].enumerable = false;
+  });
+
+  return result;
+}
diff --git a/node_modules/mongoose/lib/helpers/document/getEmbeddedDiscriminatorPath.js b/node_modules/mongoose/lib/helpers/document/getEmbeddedDiscriminatorPath.js
new file mode 100644
index 000000000..ecbedabc3
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/document/getEmbeddedDiscriminatorPath.js
@@ -0,0 +1,50 @@
+'use strict';
+
+const get = require('../get');
+const getSchemaDiscriminatorByValue = require('../discriminator/getSchemaDiscriminatorByValue');
+
+/**
+ * Like `schema.path()`, except with a document, because impossible to
+ * determine path type without knowing the embedded discriminator key.
+ * @param {Document} doc
+ * @param {String} path
+ * @param {Object} [options]
+ * @api private
+ */
+
+module.exports = function getEmbeddedDiscriminatorPath(doc, path, options) {
+  options = options || {};
+  const typeOnly = options.typeOnly;
+  const parts = path.indexOf('.') === -1 ? [path] : path.split('.');
+  let schemaType = null;
+  let type = 'adhocOrUndefined';
+
+  const schema = getSchemaDiscriminatorByValue(doc.schema, doc.get(doc.schema.options.discriminatorKey)) || doc.schema;
+
+  for (let i = 0; i < parts.length; ++i) {
+    const subpath = parts.slice(0, i + 1).join('.');
+    schemaType = schema.path(subpath);
+    if (schemaType == null) {
+      type = 'adhocOrUndefined';
+      continue;
+    }
+    if (schemaType.instance === 'Mixed') {
+      return typeOnly ? 'real' : schemaType;
+    }
+    type = schema.pathType(subpath);
+    if ((schemaType.$isSingleNested || schemaType.$isMongooseDocumentArrayElement) &&
+    schemaType.schema.discriminators != null) {
+      const discriminators = schemaType.schema.discriminators;
+      const discriminatorKey = doc.get(subpath + '.' +
+        get(schemaType, 'schema.options.discriminatorKey'));
+      if (discriminatorKey == null || discriminators[discriminatorKey] == null) {
+        continue;
+      }
+      const rest = parts.slice(i + 1).join('.');
+      return getEmbeddedDiscriminatorPath(doc.get(subpath), rest, options);
+    }
+  }
+
+  // Are we getting the whole schema or just the type, 'real', 'nested', etc.
+  return typeOnly ? type : schemaType;
+};
diff --git a/node_modules/mongoose/lib/helpers/document/handleSpreadDoc.js b/node_modules/mongoose/lib/helpers/document/handleSpreadDoc.js
new file mode 100644
index 000000000..5f7151717
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/document/handleSpreadDoc.js
@@ -0,0 +1,35 @@
+'use strict';
+
+const utils = require('../../utils');
+
+const keysToSkip = new Set(['__index', '__parentArray', '_doc']);
+
+/**
+ * Using spread operator on a Mongoose document gives you a
+ * POJO that has a tendency to cause infinite recursion. So
+ * we use this function on `set()` to prevent that.
+ */
+
+module.exports = function handleSpreadDoc(v, includeExtraKeys) {
+  if (utils.isPOJO(v) && v.$__ != null && v._doc != null) {
+    if (includeExtraKeys) {
+      const extraKeys = {};
+      for (const key of Object.keys(v)) {
+        if (typeof key === 'symbol') {
+          continue;
+        }
+        if (key[0] === '$') {
+          continue;
+        }
+        if (keysToSkip.has(key)) {
+          continue;
+        }
+        extraKeys[key] = v[key];
+      }
+      return { ...v._doc, ...extraKeys };
+    }
+    return v._doc;
+  }
+
+  return v;
+};
diff --git a/node_modules/mongoose/lib/helpers/each.js b/node_modules/mongoose/lib/helpers/each.js
new file mode 100644
index 000000000..9ce5cc621
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/each.js
@@ -0,0 +1,25 @@
+'use strict';
+
+module.exports = function each(arr, cb, done) {
+  if (arr.length === 0) {
+    return done();
+  }
+
+  let remaining = arr.length;
+  let err = null;
+  for (const v of arr) {
+    cb(v, function(_err) {
+      if (err != null) {
+        return;
+      }
+      if (_err != null) {
+        err = _err;
+        return done(err);
+      }
+
+      if (--remaining <= 0) {
+        return done();
+      }
+    });
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/firstKey.js b/node_modules/mongoose/lib/helpers/firstKey.js
new file mode 100644
index 000000000..4495d2a88
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/firstKey.js
@@ -0,0 +1,8 @@
+'use strict';
+
+module.exports = function firstKey(obj) {
+  if (obj == null) {
+    return null;
+  }
+  return Object.keys(obj)[0];
+};
diff --git a/node_modules/mongoose/lib/helpers/get.js b/node_modules/mongoose/lib/helpers/get.js
new file mode 100644
index 000000000..08c2b849f
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/get.js
@@ -0,0 +1,65 @@
+'use strict';
+
+/**
+ * Simplified lodash.get to work around the annoying null quirk. See:
+ * https://github.com/lodash/lodash/issues/3659
+ * @api private
+ */
+
+module.exports = function get(obj, path, def) {
+  let parts;
+  let isPathArray = false;
+  if (typeof path === 'string') {
+    if (path.indexOf('.') === -1) {
+      const _v = getProperty(obj, path);
+      if (_v == null) {
+        return def;
+      }
+      return _v;
+    }
+
+    parts = path.split('.');
+  } else {
+    isPathArray = true;
+    parts = path;
+
+    if (parts.length === 1) {
+      const _v = getProperty(obj, parts[0]);
+      if (_v == null) {
+        return def;
+      }
+      return _v;
+    }
+  }
+  let rest = path;
+  let cur = obj;
+  for (const part of parts) {
+    if (cur == null) {
+      return def;
+    }
+
+    // `lib/cast.js` depends on being able to get dotted paths in updates,
+    // like `{ $set: { 'a.b': 42 } }`
+    if (!isPathArray && cur[rest] != null) {
+      return cur[rest];
+    }
+
+    cur = getProperty(cur, part);
+
+    if (!isPathArray) {
+      rest = rest.substr(part.length + 1);
+    }
+  }
+
+  return cur == null ? def : cur;
+};
+
+function getProperty(obj, prop) {
+  if (obj == null) {
+    return obj;
+  }
+  if (obj instanceof Map) {
+    return obj.get(prop);
+  }
+  return obj[prop];
+}
diff --git a/node_modules/mongoose/lib/helpers/getConstructorName.js b/node_modules/mongoose/lib/helpers/getConstructorName.js
new file mode 100644
index 000000000..5ebe7bb02
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/getConstructorName.js
@@ -0,0 +1,16 @@
+'use strict';
+
+/**
+ * If `val` is an object, returns constructor name, if possible. Otherwise returns undefined.
+ * @api private
+ */
+
+module.exports = function getConstructorName(val) {
+  if (val == null) {
+    return void 0;
+  }
+  if (typeof val.constructor !== 'function') {
+    return void 0;
+  }
+  return val.constructor.name;
+};
diff --git a/node_modules/mongoose/lib/helpers/getDefaultBulkwriteResult.js b/node_modules/mongoose/lib/helpers/getDefaultBulkwriteResult.js
new file mode 100644
index 000000000..855cf7a1b
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/getDefaultBulkwriteResult.js
@@ -0,0 +1,27 @@
+'use strict';
+function getDefaultBulkwriteResult() {
+  return {
+    result: {
+      ok: 1,
+      writeErrors: [],
+      writeConcernErrors: [],
+      insertedIds: [],
+      nInserted: 0,
+      nUpserted: 0,
+      nMatched: 0,
+      nModified: 0,
+      nRemoved: 0,
+      upserted: []
+    },
+    insertedCount: 0,
+    matchedCount: 0,
+    modifiedCount: 0,
+    deletedCount: 0,
+    upsertedCount: 0,
+    upsertedIds: {},
+    insertedIds: {},
+    n: 0
+  };
+}
+
+module.exports = getDefaultBulkwriteResult;
diff --git a/node_modules/mongoose/lib/helpers/getFunctionName.js b/node_modules/mongoose/lib/helpers/getFunctionName.js
new file mode 100644
index 000000000..d1f3a5a6a
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/getFunctionName.js
@@ -0,0 +1,10 @@
+'use strict';
+
+const functionNameRE = /^function\s*([^\s(]+)/;
+
+module.exports = function(fn) {
+  return (
+    fn.name ||
+    (fn.toString().trim().match(functionNameRE) || [])[1]
+  );
+};
diff --git a/node_modules/mongoose/lib/helpers/immediate.js b/node_modules/mongoose/lib/helpers/immediate.js
new file mode 100644
index 000000000..73085f7d4
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/immediate.js
@@ -0,0 +1,16 @@
+/*!
+ * Centralize this so we can more easily work around issues with people
+ * stubbing out `process.nextTick()` in tests using sinon:
+ * https://github.com/sinonjs/lolex#automatically-incrementing-mocked-time
+ * See gh-6074
+ */
+
+'use strict';
+
+const nextTick = typeof process !== 'undefined' && typeof process.nextTick === 'function' ?
+  process.nextTick.bind(process) :
+  cb => setTimeout(cb, 0); // Fallback for browser build
+
+module.exports = function immediate(cb) {
+  return nextTick(cb);
+};
diff --git a/node_modules/mongoose/lib/helpers/indexes/applySchemaCollation.js b/node_modules/mongoose/lib/helpers/indexes/applySchemaCollation.js
new file mode 100644
index 000000000..93a97a48b
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/indexes/applySchemaCollation.js
@@ -0,0 +1,13 @@
+'use strict';
+
+const isTextIndex = require('./isTextIndex');
+
+module.exports = function applySchemaCollation(indexKeys, indexOptions, schemaOptions) {
+  if (isTextIndex(indexKeys)) {
+    return;
+  }
+
+  if (schemaOptions.hasOwnProperty('collation') && !indexOptions.hasOwnProperty('collation')) {
+    indexOptions.collation = schemaOptions.collation;
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/indexes/decorateDiscriminatorIndexOptions.js b/node_modules/mongoose/lib/helpers/indexes/decorateDiscriminatorIndexOptions.js
new file mode 100644
index 000000000..7b7f51a18
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/indexes/decorateDiscriminatorIndexOptions.js
@@ -0,0 +1,14 @@
+'use strict';
+
+module.exports = function decorateDiscriminatorIndexOptions(schema, indexOptions) {
+  // If the model is a discriminator and has an index, add a
+  // partialFilterExpression by default so the index will only apply
+  // to that discriminator.
+  const discriminatorName = schema.discriminatorMapping && schema.discriminatorMapping.value;
+  if (discriminatorName && !('sparse' in indexOptions)) {
+    const discriminatorKey = schema.options.discriminatorKey;
+    indexOptions.partialFilterExpression = indexOptions.partialFilterExpression || {};
+    indexOptions.partialFilterExpression[discriminatorKey] = discriminatorName;
+  }
+  return indexOptions;
+};
diff --git a/node_modules/mongoose/lib/helpers/indexes/getRelatedIndexes.js b/node_modules/mongoose/lib/helpers/indexes/getRelatedIndexes.js
new file mode 100644
index 000000000..42d5798c6
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/indexes/getRelatedIndexes.js
@@ -0,0 +1,59 @@
+'use strict';
+
+function getRelatedSchemaIndexes(model, schemaIndexes) {
+  return getRelatedIndexes({
+    baseModelName: model.baseModelName,
+    discriminatorMapping: model.schema.discriminatorMapping,
+    indexes: schemaIndexes,
+    indexesType: 'schema'
+  });
+}
+
+function getRelatedDBIndexes(model, dbIndexes) {
+  return getRelatedIndexes({
+    baseModelName: model.baseModelName,
+    discriminatorMapping: model.schema.discriminatorMapping,
+    indexes: dbIndexes,
+    indexesType: 'db'
+  });
+}
+
+module.exports = {
+  getRelatedSchemaIndexes,
+  getRelatedDBIndexes
+};
+
+function getRelatedIndexes({
+  baseModelName,
+  discriminatorMapping,
+  indexes,
+  indexesType
+}) {
+  const discriminatorKey = discriminatorMapping && discriminatorMapping.key;
+  const discriminatorValue = discriminatorMapping && discriminatorMapping.value;
+
+  if (!discriminatorKey) {
+    return indexes;
+  }
+
+  const isChildDiscriminatorModel = Boolean(baseModelName);
+  if (isChildDiscriminatorModel) {
+    return indexes.filter(index => {
+      const partialFilterExpression = getPartialFilterExpression(index, indexesType);
+      return partialFilterExpression && partialFilterExpression[discriminatorKey] === discriminatorValue;
+    });
+  }
+
+  return indexes.filter(index => {
+    const partialFilterExpression = getPartialFilterExpression(index, indexesType);
+    return !partialFilterExpression || !partialFilterExpression[discriminatorKey];
+  });
+}
+
+function getPartialFilterExpression(index, indexesType) {
+  if (indexesType === 'schema') {
+    const options = index[1];
+    return options && options.partialFilterExpression;
+  }
+  return index.partialFilterExpression;
+}
diff --git a/node_modules/mongoose/lib/helpers/indexes/isDefaultIdIndex.js b/node_modules/mongoose/lib/helpers/indexes/isDefaultIdIndex.js
new file mode 100644
index 000000000..56d74346c
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/indexes/isDefaultIdIndex.js
@@ -0,0 +1,18 @@
+'use strict';
+
+const get = require('../get');
+
+module.exports = function isDefaultIdIndex(index) {
+  if (Array.isArray(index)) {
+    // Mongoose syntax
+    const keys = Object.keys(index[0]);
+    return keys.length === 1 && keys[0] === '_id' && index[0]._id !== 'hashed';
+  }
+
+  if (typeof index !== 'object') {
+    return false;
+  }
+
+  const key = get(index, 'key', {});
+  return Object.keys(key).length === 1 && key.hasOwnProperty('_id');
+};
diff --git a/node_modules/mongoose/lib/helpers/indexes/isIndexEqual.js b/node_modules/mongoose/lib/helpers/indexes/isIndexEqual.js
new file mode 100644
index 000000000..735041236
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/indexes/isIndexEqual.js
@@ -0,0 +1,96 @@
+'use strict';
+
+const get = require('../get');
+const utils = require('../../utils');
+/**
+ * Given a Mongoose index definition (key + options objects) and a MongoDB server
+ * index definition, determine if the two indexes are equal.
+ *
+ * @param {Object} schemaIndexKeysObject the Mongoose index spec
+ * @param {Object} options the Mongoose index definition's options
+ * @param {Object} dbIndex the index in MongoDB as returned by `listIndexes()`
+ * @api private
+ */
+
+module.exports = function isIndexEqual(schemaIndexKeysObject, options, dbIndex) {
+  // Special case: text indexes have a special format in the db. For example,
+  // `{ name: 'text' }` becomes:
+  // {
+  //   v: 2,
+  //   key: { _fts: 'text', _ftsx: 1 },
+  //   name: 'name_text',
+  //   ns: 'test.tests',
+  //   background: true,
+  //   weights: { name: 1 },
+  //   default_language: 'english',
+  //   language_override: 'language',
+  //   textIndexVersion: 3
+  // }
+  if (dbIndex.textIndexVersion != null) {
+    delete dbIndex.key._fts;
+    delete dbIndex.key._ftsx;
+    const weights = { ...dbIndex.weights, ...dbIndex.key };
+    if (Object.keys(weights).length !== Object.keys(schemaIndexKeysObject).length) {
+      return false;
+    }
+    for (const prop of Object.keys(weights)) {
+      if (!(prop in schemaIndexKeysObject)) {
+        return false;
+      }
+      const weight = weights[prop];
+      if (weight !== get(options, 'weights.' + prop) && !(weight === 1 && get(options, 'weights.' + prop) == null)) {
+        return false;
+      }
+    }
+
+    if (options['default_language'] !== dbIndex['default_language']) {
+      return dbIndex['default_language'] === 'english' && options['default_language'] == null;
+    }
+
+    return true;
+  }
+
+  const optionKeys = [
+    'unique',
+    'partialFilterExpression',
+    'sparse',
+    'expireAfterSeconds',
+    'collation'
+  ];
+  for (const key of optionKeys) {
+    if (!(key in options) && !(key in dbIndex)) {
+      continue;
+    }
+    if (key === 'collation') {
+      if (options[key] == null || dbIndex[key] == null) {
+        return options[key] == null && dbIndex[key] == null;
+      }
+      const definedKeys = Object.keys(options.collation);
+      const schemaCollation = options.collation;
+      const dbCollation = dbIndex.collation;
+      for (const opt of definedKeys) {
+        if (get(schemaCollation, opt) !== get(dbCollation, opt)) {
+          return false;
+        }
+      }
+    } else if (!utils.deepEqual(options[key], dbIndex[key])) {
+      return false;
+    }
+  }
+
+  const schemaIndexKeys = Object.keys(schemaIndexKeysObject);
+  const dbIndexKeys = Object.keys(dbIndex.key);
+  if (schemaIndexKeys.length !== dbIndexKeys.length) {
+    return false;
+  }
+  for (let i = 0; i < schemaIndexKeys.length; ++i) {
+    if (schemaIndexKeys[i] !== dbIndexKeys[i]) {
+      return false;
+    }
+    if (!utils.deepEqual(schemaIndexKeysObject[schemaIndexKeys[i]], dbIndex.key[dbIndexKeys[i]])) {
+      return false;
+    }
+  }
+
+  return true;
+};
diff --git a/node_modules/mongoose/lib/helpers/indexes/isTextIndex.js b/node_modules/mongoose/lib/helpers/indexes/isTextIndex.js
new file mode 100644
index 000000000..fdd98d450
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/indexes/isTextIndex.js
@@ -0,0 +1,16 @@
+'use strict';
+
+/**
+ * Returns `true` if the given index options have a `text` option.
+ */
+
+module.exports = function isTextIndex(indexKeys) {
+  let isTextIndex = false;
+  for (const key of Object.keys(indexKeys)) {
+    if (indexKeys[key] === 'text') {
+      isTextIndex = true;
+    }
+  }
+
+  return isTextIndex;
+};
diff --git a/node_modules/mongoose/lib/helpers/isAsyncFunction.js b/node_modules/mongoose/lib/helpers/isAsyncFunction.js
new file mode 100644
index 000000000..998705304
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/isAsyncFunction.js
@@ -0,0 +1,22 @@
+'use strict';
+
+let asyncFunctionPrototype = null;
+// try/catch for Babel compatibility, because Babel preset-env requires
+// regenerator-runtime for async/await and we don't want to include that
+// for a simple check.
+try {
+  asyncFunctionPrototype = Object.getPrototypeOf(async function() {});
+} catch (err) {}
+
+if (asyncFunctionPrototype == null) {
+  module.exports = function isAsyncFunction() {
+    return false;
+  };
+} else {
+  module.exports = function isAsyncFunction(v) {
+    return (
+      typeof v === 'function' &&
+      Object.getPrototypeOf(v) === asyncFunctionPrototype
+    );
+  };
+}
diff --git a/node_modules/mongoose/lib/helpers/isBsonType.js b/node_modules/mongoose/lib/helpers/isBsonType.js
new file mode 100644
index 000000000..f75fd4016
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/isBsonType.js
@@ -0,0 +1,16 @@
+'use strict';
+
+/**
+ * Get the bson type, if it exists
+ * @api private
+ */
+
+function isBsonType(obj, typename) {
+  return (
+    typeof obj === 'object' &&
+    obj !== null &&
+    obj._bsontype === typename
+  );
+}
+
+module.exports = isBsonType;
diff --git a/node_modules/mongoose/lib/helpers/isMongooseObject.js b/node_modules/mongoose/lib/helpers/isMongooseObject.js
new file mode 100644
index 000000000..736d0ecd7
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/isMongooseObject.js
@@ -0,0 +1,22 @@
+'use strict';
+
+const isMongooseArray = require('../types/array/isMongooseArray').isMongooseArray;
+/**
+ * Returns if `v` is a mongoose object that has a `toObject()` method we can use.
+ *
+ * This is for compatibility with libs like Date.js which do foolish things to Natives.
+ *
+ * @param {Any} v
+ * @api private
+ */
+
+module.exports = function(v) {
+  return (
+    v != null && (
+      isMongooseArray(v) || // Array or Document Array
+      v.$__ != null || // Document
+      v.isMongooseBuffer || // Buffer
+      v.$isMongooseMap // Map
+    )
+  );
+};
diff --git a/node_modules/mongoose/lib/helpers/isObject.js b/node_modules/mongoose/lib/helpers/isObject.js
new file mode 100644
index 000000000..21900dede
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/isObject.js
@@ -0,0 +1,16 @@
+'use strict';
+
+/**
+ * Determines if `arg` is an object.
+ *
+ * @param {Object|Array|String|Function|RegExp|any} arg
+ * @api private
+ * @return {Boolean}
+ */
+
+module.exports = function(arg) {
+  return (
+    Buffer.isBuffer(arg) ||
+    Object.prototype.toString.call(arg) === '[object Object]'
+  );
+};
diff --git a/node_modules/mongoose/lib/helpers/isPromise.js b/node_modules/mongoose/lib/helpers/isPromise.js
new file mode 100644
index 000000000..0da827e28
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/isPromise.js
@@ -0,0 +1,6 @@
+'use strict';
+function isPromise(val) {
+  return !!val && (typeof val === 'object' || typeof val === 'function') && typeof val.then === 'function';
+}
+
+module.exports = isPromise;
diff --git a/node_modules/mongoose/lib/helpers/isSimpleValidator.js b/node_modules/mongoose/lib/helpers/isSimpleValidator.js
new file mode 100644
index 000000000..92c934682
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/isSimpleValidator.js
@@ -0,0 +1,22 @@
+'use strict';
+
+/**
+ * Determines if `arg` is a flat object.
+ *
+ * @param {Object|Array|String|Function|RegExp|any} arg
+ * @api private
+ * @return {Boolean}
+ */
+
+module.exports = function isSimpleValidator(obj) {
+  const keys = Object.keys(obj);
+  let result = true;
+  for (let i = 0, len = keys.length; i < len; ++i) {
+    if (typeof obj[keys[i]] === 'object' && obj[keys[i]] !== null) {
+      result = false;
+      break;
+    }
+  }
+
+  return result;
+};
diff --git a/node_modules/mongoose/lib/helpers/model/applyDefaultsToPOJO.js b/node_modules/mongoose/lib/helpers/model/applyDefaultsToPOJO.js
new file mode 100644
index 000000000..4aca295cd
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/model/applyDefaultsToPOJO.js
@@ -0,0 +1,52 @@
+'use strict';
+
+module.exports = function applyDefaultsToPOJO(doc, schema) {
+  const paths = Object.keys(schema.paths);
+  const plen = paths.length;
+
+  for (let i = 0; i < plen; ++i) {
+    let curPath = '';
+    const p = paths[i];
+
+    const type = schema.paths[p];
+    const path = type.splitPath();
+    const len = path.length;
+    let doc_ = doc;
+    for (let j = 0; j < len; ++j) {
+      if (doc_ == null) {
+        break;
+      }
+
+      const piece = path[j];
+      curPath += (!curPath.length ? '' : '.') + piece;
+
+      if (j === len - 1) {
+        if (typeof doc_[piece] !== 'undefined') {
+          if (type.$isSingleNested) {
+            applyDefaultsToPOJO(doc_[piece], type.caster.schema);
+          } else if (type.$isMongooseDocumentArray && Array.isArray(doc_[piece])) {
+            doc_[piece].forEach(el => applyDefaultsToPOJO(el, type.schema));
+          }
+
+          break;
+        }
+
+        const def = type.getDefault(doc, false, { skipCast: true });
+        if (typeof def !== 'undefined') {
+          doc_[piece] = def;
+
+          if (type.$isSingleNested) {
+            applyDefaultsToPOJO(def, type.caster.schema);
+          } else if (type.$isMongooseDocumentArray && Array.isArray(def)) {
+            def.forEach(el => applyDefaultsToPOJO(el, type.schema));
+          }
+        }
+      } else {
+        if (doc_[piece] == null) {
+          doc_[piece] = {};
+        }
+        doc_ = doc_[piece];
+      }
+    }
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/model/applyHooks.js b/node_modules/mongoose/lib/helpers/model/applyHooks.js
new file mode 100644
index 000000000..7ed7895d4
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/model/applyHooks.js
@@ -0,0 +1,149 @@
+'use strict';
+
+const symbols = require('../../schema/symbols');
+const promiseOrCallback = require('../promiseOrCallback');
+
+/*!
+ * ignore
+ */
+
+module.exports = applyHooks;
+
+/*!
+ * ignore
+ */
+
+applyHooks.middlewareFunctions = [
+  'deleteOne',
+  'save',
+  'validate',
+  'remove',
+  'updateOne',
+  'init'
+];
+
+/*!
+ * ignore
+ */
+
+const alreadyHookedFunctions = new Set(applyHooks.middlewareFunctions.flatMap(fn => ([fn, `$__${fn}`])));
+
+/**
+ * Register hooks for this model
+ *
+ * @param {Model} model
+ * @param {Schema} schema
+ * @param {Object} options
+ * @api private
+ */
+
+function applyHooks(model, schema, options) {
+  options = options || {};
+
+  const kareemOptions = {
+    useErrorHandlers: true,
+    numCallbackParams: 1,
+    nullResultByDefault: true,
+    contextParameter: true
+  };
+  const objToDecorate = options.decorateDoc ? model : model.prototype;
+
+  model.$appliedHooks = true;
+  for (const key of Object.keys(schema.paths)) {
+    const type = schema.paths[key];
+    let childModel = null;
+    if (type.$isSingleNested) {
+      childModel = type.caster;
+    } else if (type.$isMongooseDocumentArray) {
+      childModel = type.Constructor;
+    } else {
+      continue;
+    }
+
+    if (childModel.$appliedHooks) {
+      continue;
+    }
+
+    applyHooks(childModel, type.schema, options);
+    if (childModel.discriminators != null) {
+      const keys = Object.keys(childModel.discriminators);
+      for (const key of keys) {
+        applyHooks(childModel.discriminators[key],
+          childModel.discriminators[key].schema, options);
+      }
+    }
+  }
+
+  // Built-in hooks rely on hooking internal functions in order to support
+  // promises and make it so that `doc.save.toString()` provides meaningful
+  // information.
+
+  const middleware = schema.s.hooks.
+    filter(hook => {
+      if (hook.name === 'updateOne' || hook.name === 'deleteOne') {
+        return !!hook['document'];
+      }
+      if (hook.name === 'remove' || hook.name === 'init') {
+        return hook['document'] == null || !!hook['document'];
+      }
+      if (hook.query != null || hook.document != null) {
+        return hook.document !== false;
+      }
+      return true;
+    }).
+    filter(hook => {
+      // If user has overwritten the method, don't apply built-in middleware
+      if (schema.methods[hook.name]) {
+        return !hook.fn[symbols.builtInMiddleware];
+      }
+
+      return true;
+    });
+
+  model._middleware = middleware;
+
+  objToDecorate.$__originalValidate = objToDecorate.$__originalValidate || objToDecorate.$__validate;
+
+  for (const method of ['save', 'validate', 'remove', 'deleteOne']) {
+    const toWrap = method === 'validate' ? '$__originalValidate' : `$__${method}`;
+    const wrapped = middleware.
+      createWrapper(method, objToDecorate[toWrap], null, kareemOptions);
+    objToDecorate[`$__${method}`] = wrapped;
+  }
+  objToDecorate.$__init = middleware.
+    createWrapperSync('init', objToDecorate.$__init, null, kareemOptions);
+
+  // Support hooks for custom methods
+  const customMethods = Object.keys(schema.methods);
+  const customMethodOptions = Object.assign({}, kareemOptions, {
+    // Only use `checkForPromise` for custom methods, because mongoose
+    // query thunks are not as consistent as I would like about returning
+    // a nullish value rather than the query. If a query thunk returns
+    // a query, `checkForPromise` causes infinite recursion
+    checkForPromise: true
+  });
+  for (const method of customMethods) {
+    if (alreadyHookedFunctions.has(method)) {
+      continue;
+    }
+    if (!middleware.hasHooks(method)) {
+      // Don't wrap if there are no hooks for the custom method to avoid
+      // surprises. Also, `createWrapper()` enforces consistent async,
+      // so wrapping a sync method would break it.
+      continue;
+    }
+    const originalMethod = objToDecorate[method];
+    objToDecorate[method] = function() {
+      const args = Array.prototype.slice.call(arguments);
+      const cb = args.slice(-1).pop();
+      const argsWithoutCallback = typeof cb === 'function' ?
+        args.slice(0, args.length - 1) : args;
+      return promiseOrCallback(cb, callback => {
+        return this[`$__${method}`].apply(this,
+          argsWithoutCallback.concat([callback]));
+      }, model.events);
+    };
+    objToDecorate[`$__${method}`] = middleware.
+      createWrapper(method, originalMethod, null, customMethodOptions);
+  }
+}
diff --git a/node_modules/mongoose/lib/helpers/model/applyMethods.js b/node_modules/mongoose/lib/helpers/model/applyMethods.js
new file mode 100644
index 000000000..edccb06d6
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/model/applyMethods.js
@@ -0,0 +1,67 @@
+'use strict';
+
+const get = require('../get');
+const utils = require('../../utils');
+
+/**
+ * Register methods for this model
+ *
+ * @param {Model} model
+ * @param {Schema} schema
+ * @api private
+ */
+
+module.exports = function applyMethods(model, schema) {
+  function apply(method, schema) {
+    Object.defineProperty(model.prototype, method, {
+      get: function() {
+        const h = {};
+        for (const k in schema.methods[method]) {
+          h[k] = schema.methods[method][k].bind(this);
+        }
+        return h;
+      },
+      configurable: true
+    });
+  }
+  for (const method of Object.keys(schema.methods)) {
+    const fn = schema.methods[method];
+    if (schema.tree.hasOwnProperty(method)) {
+      throw new Error('You have a method and a property in your schema both ' +
+        'named "' + method + '"');
+    }
+
+    // Avoid making custom methods if user sets a method to itself, e.g.
+    // `schema.method(save, Document.prototype.save)`. Can happen when
+    // calling `loadClass()` with a class that `extends Document`. See gh-12254
+    if (typeof fn === 'function' && model.prototype[method] === fn) {
+      delete schema.methods[method];
+      continue;
+    }
+
+    if (schema.reserved[method] &&
+        !get(schema, `methodOptions.${method}.suppressWarning`, false)) {
+      utils.warn(`mongoose: the method name "${method}" is used by mongoose ` +
+        'internally, overwriting it may cause bugs. If you\'re sure you know ' +
+        'what you\'re doing, you can suppress this error by using ' +
+        `\`schema.method('${method}', fn, { suppressWarning: true })\`.`);
+    }
+    if (typeof fn === 'function') {
+      model.prototype[method] = fn;
+    } else {
+      apply(method, schema);
+    }
+  }
+
+  // Recursively call `applyMethods()` on child schemas
+  model.$appliedMethods = true;
+  for (const key of Object.keys(schema.paths)) {
+    const type = schema.paths[key];
+    if (type.$isSingleNested && !type.caster.$appliedMethods) {
+      applyMethods(type.caster, type.schema);
+    }
+    if (type.$isMongooseDocumentArray && !type.Constructor.$appliedMethods) {
+      applyMethods(type.Constructor, type.schema);
+    }
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/model/applyStaticHooks.js b/node_modules/mongoose/lib/helpers/model/applyStaticHooks.js
new file mode 100644
index 000000000..934f9452a
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/model/applyStaticHooks.js
@@ -0,0 +1,71 @@
+'use strict';
+
+const middlewareFunctions = require('../query/applyQueryMiddleware').middlewareFunctions;
+const promiseOrCallback = require('../promiseOrCallback');
+
+module.exports = function applyStaticHooks(model, hooks, statics) {
+  const kareemOptions = {
+    useErrorHandlers: true,
+    numCallbackParams: 1
+  };
+
+  hooks = hooks.filter(hook => {
+    // If the custom static overwrites an existing query middleware, don't apply
+    // middleware to it by default. This avoids a potential backwards breaking
+    // change with plugins like `mongoose-delete` that use statics to overwrite
+    // built-in Mongoose functions.
+    if (middlewareFunctions.indexOf(hook.name) !== -1) {
+      return !!hook.model;
+    }
+    return hook.model !== false;
+  });
+
+  model.$__insertMany = hooks.createWrapper('insertMany',
+    model.$__insertMany, model, kareemOptions);
+
+  for (const key of Object.keys(statics)) {
+    if (hooks.hasHooks(key)) {
+      const original = model[key];
+
+      model[key] = function() {
+        const numArgs = arguments.length;
+        const lastArg = numArgs > 0 ? arguments[numArgs - 1] : null;
+        const cb = typeof lastArg === 'function' ? lastArg : null;
+        const args = Array.prototype.slice.
+          call(arguments, 0, cb == null ? numArgs : numArgs - 1);
+        // Special case: can't use `Kareem#wrap()` because it doesn't currently
+        // support wrapped functions that return a promise.
+        return promiseOrCallback(cb, callback => {
+          hooks.execPre(key, model, args, function(err) {
+            if (err != null) {
+              return callback(err);
+            }
+
+            let postCalled = 0;
+            const ret = original.apply(model, args.concat(post));
+            if (ret != null && typeof ret.then === 'function') {
+              ret.then(res => post(null, res), err => post(err));
+            }
+
+            function post(error, res) {
+              if (postCalled++ > 0) {
+                return;
+              }
+
+              if (error != null) {
+                return callback(error);
+              }
+
+              hooks.execPost(key, model, [res], function(error) {
+                if (error != null) {
+                  return callback(error);
+                }
+                callback(null, res);
+              });
+            }
+          });
+        }, model.events);
+      };
+    }
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/model/applyStatics.js b/node_modules/mongoose/lib/helpers/model/applyStatics.js
new file mode 100644
index 000000000..d94d91c7c
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/model/applyStatics.js
@@ -0,0 +1,13 @@
+'use strict';
+
+/**
+ * Register statics for this model
+ * @param {Model} model
+ * @param {Schema} schema
+ * @api private
+ */
+module.exports = function applyStatics(model, schema) {
+  for (const i in schema.statics) {
+    model[i] = schema.statics[i];
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/model/castBulkWrite.js b/node_modules/mongoose/lib/helpers/model/castBulkWrite.js
new file mode 100644
index 000000000..b58f166d0
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/model/castBulkWrite.js
@@ -0,0 +1,240 @@
+'use strict';
+
+const getDiscriminatorByValue = require('../../helpers/discriminator/getDiscriminatorByValue');
+const applyTimestampsToChildren = require('../update/applyTimestampsToChildren');
+const applyTimestampsToUpdate = require('../update/applyTimestampsToUpdate');
+const cast = require('../../cast');
+const castUpdate = require('../query/castUpdate');
+const setDefaultsOnInsert = require('../setDefaultsOnInsert');
+
+/**
+ * Given a model and a bulkWrite op, return a thunk that handles casting and
+ * validating the individual op.
+ * @param {Model} originalModel
+ * @param {Object} op
+ * @param {Object} [options]
+ * @api private
+ */
+
+module.exports = function castBulkWrite(originalModel, op, options) {
+  const now = originalModel.base.now();
+
+  if (op['insertOne']) {
+    return (callback) => {
+      const model = decideModelByObject(originalModel, op['insertOne']['document']);
+
+      const doc = new model(op['insertOne']['document']);
+      if (model.schema.options.timestamps && options.timestamps !== false) {
+        doc.initializeTimestamps();
+      }
+      if (options.session != null) {
+        doc.$session(options.session);
+      }
+      op['insertOne']['document'] = doc;
+
+      if (options.skipValidation || op['insertOne'].skipValidation) {
+        callback(null);
+        return;
+      }
+
+      op['insertOne']['document'].$validate({ __noPromise: true }, function(error) {
+        if (error) {
+          return callback(error, null);
+        }
+        callback(null);
+      });
+    };
+  } else if (op['updateOne']) {
+    return (callback) => {
+      try {
+        if (!op['updateOne']['filter']) {
+          throw new Error('Must provide a filter object.');
+        }
+        if (!op['updateOne']['update']) {
+          throw new Error('Must provide an update object.');
+        }
+
+        const model = decideModelByObject(originalModel, op['updateOne']['filter']);
+        const schema = model.schema;
+        const strict = options.strict != null ? options.strict : model.schema.options.strict;
+
+        _addDiscriminatorToObject(schema, op['updateOne']['filter']);
+
+        if (model.schema.$timestamps != null && op['updateOne'].timestamps !== false) {
+          const createdAt = model.schema.$timestamps.createdAt;
+          const updatedAt = model.schema.$timestamps.updatedAt;
+          applyTimestampsToUpdate(now, createdAt, updatedAt, op['updateOne']['update'], {});
+        }
+
+        applyTimestampsToChildren(now, op['updateOne']['update'], model.schema);
+
+        if (op['updateOne'].setDefaultsOnInsert !== false) {
+          setDefaultsOnInsert(op['updateOne']['filter'], model.schema, op['updateOne']['update'], {
+            setDefaultsOnInsert: true,
+            upsert: op['updateOne'].upsert
+          });
+        }
+
+        op['updateOne']['filter'] = cast(model.schema, op['updateOne']['filter'], {
+          strict: strict,
+          upsert: op['updateOne'].upsert
+        });
+
+        op['updateOne']['update'] = castUpdate(model.schema, op['updateOne']['update'], {
+          strict: strict,
+          overwrite: false,
+          upsert: op['updateOne'].upsert
+        }, model, op['updateOne']['filter']);
+      } catch (error) {
+        return callback(error, null);
+      }
+
+      callback(null);
+    };
+  } else if (op['updateMany']) {
+    return (callback) => {
+      try {
+        if (!op['updateMany']['filter']) {
+          throw new Error('Must provide a filter object.');
+        }
+        if (!op['updateMany']['update']) {
+          throw new Error('Must provide an update object.');
+        }
+
+        const model = decideModelByObject(originalModel, op['updateMany']['filter']);
+        const schema = model.schema;
+        const strict = options.strict != null ? options.strict : model.schema.options.strict;
+
+        if (op['updateMany'].setDefaultsOnInsert !== false) {
+          setDefaultsOnInsert(op['updateMany']['filter'], model.schema, op['updateMany']['update'], {
+            setDefaultsOnInsert: true,
+            upsert: op['updateMany'].upsert
+          });
+        }
+
+        if (model.schema.$timestamps != null && op['updateMany'].timestamps !== false) {
+          const createdAt = model.schema.$timestamps.createdAt;
+          const updatedAt = model.schema.$timestamps.updatedAt;
+          applyTimestampsToUpdate(now, createdAt, updatedAt, op['updateMany']['update'], {});
+        }
+
+        applyTimestampsToChildren(now, op['updateMany']['update'], model.schema);
+
+        _addDiscriminatorToObject(schema, op['updateMany']['filter']);
+
+        op['updateMany']['filter'] = cast(model.schema, op['updateMany']['filter'], {
+          strict: strict,
+          upsert: op['updateMany'].upsert
+        });
+
+        op['updateMany']['update'] = castUpdate(model.schema, op['updateMany']['update'], {
+          strict: strict,
+          overwrite: false,
+          upsert: op['updateMany'].upsert
+        }, model, op['updateMany']['filter']);
+      } catch (error) {
+        return callback(error, null);
+      }
+
+      callback(null);
+    };
+  } else if (op['replaceOne']) {
+    return (callback) => {
+      const model = decideModelByObject(originalModel, op['replaceOne']['filter']);
+      const schema = model.schema;
+      const strict = options.strict != null ? options.strict : model.schema.options.strict;
+
+      _addDiscriminatorToObject(schema, op['replaceOne']['filter']);
+      try {
+        op['replaceOne']['filter'] = cast(model.schema, op['replaceOne']['filter'], {
+          strict: strict,
+          upsert: op['replaceOne'].upsert
+        });
+      } catch (error) {
+        return callback(error, null);
+      }
+
+      // set `skipId`, otherwise we get "_id field cannot be changed"
+      const doc = new model(op['replaceOne']['replacement'], strict, true);
+      if (model.schema.options.timestamps) {
+        doc.initializeTimestamps();
+      }
+      if (options.session != null) {
+        doc.$session(options.session);
+      }
+      op['replaceOne']['replacement'] = doc;
+
+      if (options.skipValidation || op['replaceOne'].skipValidation) {
+        op['replaceOne']['replacement'] = op['replaceOne']['replacement'].toBSON();
+        callback(null);
+        return;
+      }
+
+      op['replaceOne']['replacement'].$validate({ __noPromise: true }, function(error) {
+        if (error) {
+          return callback(error, null);
+        }
+        op['replaceOne']['replacement'] = op['replaceOne']['replacement'].toBSON();
+        callback(null);
+      });
+    };
+  } else if (op['deleteOne']) {
+    return (callback) => {
+      const model = decideModelByObject(originalModel, op['deleteOne']['filter']);
+      const schema = model.schema;
+
+      _addDiscriminatorToObject(schema, op['deleteOne']['filter']);
+
+      try {
+        op['deleteOne']['filter'] = cast(model.schema,
+          op['deleteOne']['filter']);
+      } catch (error) {
+        return callback(error, null);
+      }
+
+      callback(null);
+    };
+  } else if (op['deleteMany']) {
+    return (callback) => {
+      const model = decideModelByObject(originalModel, op['deleteMany']['filter']);
+      const schema = model.schema;
+
+      _addDiscriminatorToObject(schema, op['deleteMany']['filter']);
+
+      try {
+        op['deleteMany']['filter'] = cast(model.schema,
+          op['deleteMany']['filter']);
+      } catch (error) {
+        return callback(error, null);
+      }
+
+      callback(null);
+    };
+  } else {
+    return (callback) => {
+      callback(new Error('Invalid op passed to `bulkWrite()`'), null);
+    };
+  }
+};
+
+function _addDiscriminatorToObject(schema, obj) {
+  if (schema == null) {
+    return;
+  }
+  if (schema.discriminatorMapping && !schema.discriminatorMapping.isRoot) {
+    obj[schema.discriminatorMapping.key] = schema.discriminatorMapping.value;
+  }
+}
+
+/**
+ * gets discriminator model if discriminator key is present in object
+ * @api private
+ */
+
+function decideModelByObject(model, object) {
+  const discriminatorKey = model.schema.options.discriminatorKey;
+  if (object != null && object.hasOwnProperty(discriminatorKey)) {
+    model = getDiscriminatorByValue(model.discriminators, object[discriminatorKey]) || model;
+  }
+  return model;
+}
diff --git a/node_modules/mongoose/lib/helpers/model/discriminator.js b/node_modules/mongoose/lib/helpers/model/discriminator.js
new file mode 100644
index 000000000..ed14b314c
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/model/discriminator.js
@@ -0,0 +1,210 @@
+'use strict';
+
+const Mixed = require('../../schema/mixed');
+const defineKey = require('../document/compile').defineKey;
+const get = require('../get');
+const utils = require('../../utils');
+
+const CUSTOMIZABLE_DISCRIMINATOR_OPTIONS = {
+  toJSON: true,
+  toObject: true,
+  _id: true,
+  id: true,
+  virtuals: true,
+  methods: true
+};
+
+/*!
+ * ignore
+ */
+
+module.exports = function discriminator(model, name, schema, tiedValue, applyPlugins) {
+  if (!(schema && schema.instanceOfSchema)) {
+    throw new Error('You must pass a valid discriminator Schema');
+  }
+
+  if (model.schema.discriminatorMapping &&
+      !model.schema.discriminatorMapping.isRoot) {
+    throw new Error('Discriminator "' + name +
+        '" can only be a discriminator of the root model');
+  }
+
+  if (applyPlugins) {
+    const applyPluginsToDiscriminators = get(model.base,
+      'options.applyPluginsToDiscriminators', false);
+    // Even if `applyPluginsToDiscriminators` isn't set, we should still apply
+    // global plugins to schemas embedded in the discriminator schema (gh-7370)
+    model.base._applyPlugins(schema, {
+      skipTopLevel: !applyPluginsToDiscriminators
+    });
+  }
+
+  const key = model.schema.options.discriminatorKey;
+
+  const existingPath = model.schema.path(key);
+  if (existingPath != null) {
+    if (!utils.hasUserDefinedProperty(existingPath.options, 'select')) {
+      existingPath.options.select = true;
+    }
+    existingPath.options.$skipDiscriminatorCheck = true;
+  } else {
+    const baseSchemaAddition = {};
+    baseSchemaAddition[key] = {
+      default: void 0,
+      select: true,
+      $skipDiscriminatorCheck: true
+    };
+    baseSchemaAddition[key][model.schema.options.typeKey] = String;
+    model.schema.add(baseSchemaAddition);
+    defineKey({
+      prop: key,
+      prototype: model.prototype,
+      options: model.schema.options
+    });
+  }
+
+  if (schema.path(key) && schema.path(key).options.$skipDiscriminatorCheck !== true) {
+    throw new Error('Discriminator "' + name +
+        '" cannot have field with name "' + key + '"');
+  }
+
+  let value = name;
+  if ((typeof tiedValue === 'string' && tiedValue.length) || tiedValue != null) {
+    value = tiedValue;
+  }
+
+  function merge(schema, baseSchema) {
+    // Retain original schema before merging base schema
+    schema._baseSchema = baseSchema;
+    if (baseSchema.paths._id &&
+        baseSchema.paths._id.options &&
+        !baseSchema.paths._id.options.auto) {
+      schema.remove('_id');
+    }
+
+    // Find conflicting paths: if something is a path in the base schema
+    // and a nested path in the child schema, overwrite the base schema path.
+    // See gh-6076
+    const baseSchemaPaths = Object.keys(baseSchema.paths);
+    const conflictingPaths = [];
+
+    for (const path of baseSchemaPaths) {
+      if (schema.nested[path]) {
+        conflictingPaths.push(path);
+        continue;
+      }
+
+      if (path.indexOf('.') === -1) {
+        continue;
+      }
+      const sp = path.split('.').slice(0, -1);
+      let cur = '';
+      for (const piece of sp) {
+        cur += (cur.length ? '.' : '') + piece;
+        if (schema.paths[cur] instanceof Mixed ||
+            schema.singleNestedPaths[cur] instanceof Mixed) {
+          conflictingPaths.push(path);
+        }
+      }
+    }
+
+    utils.merge(schema, baseSchema, {
+      isDiscriminatorSchemaMerge: true,
+      omit: { discriminators: true, base: true, _applyDiscriminators: true },
+      omitNested: conflictingPaths.reduce((cur, path) => {
+        cur['tree.' + path] = true;
+        return cur;
+      }, {})
+    });
+
+    // Clean up conflicting paths _after_ merging re: gh-6076
+    for (const conflictingPath of conflictingPaths) {
+      delete schema.paths[conflictingPath];
+    }
+
+    // Rebuild schema models because schemas may have been merged re: #7884
+    schema.childSchemas.forEach(obj => {
+      obj.model.prototype.$__setSchema(obj.schema);
+    });
+
+    const obj = {};
+    obj[key] = {
+      default: value,
+      select: true,
+      set: function(newName) {
+        if (newName === value || (Array.isArray(value) && utils.deepEqual(newName, value))) {
+          return value;
+        }
+        throw new Error('Can\'t set discriminator key "' + key + '"');
+      },
+      $skipDiscriminatorCheck: true
+    };
+    obj[key][schema.options.typeKey] = existingPath ? existingPath.options[schema.options.typeKey] : String;
+    schema.add(obj);
+
+    schema.discriminatorMapping = { key: key, value: value, isRoot: false };
+
+    if (baseSchema.options.collection) {
+      schema.options.collection = baseSchema.options.collection;
+    }
+
+    const toJSON = schema.options.toJSON;
+    const toObject = schema.options.toObject;
+    const _id = schema.options._id;
+    const id = schema.options.id;
+
+    const keys = Object.keys(schema.options);
+    schema.options.discriminatorKey = baseSchema.options.discriminatorKey;
+
+    for (const _key of keys) {
+      if (!CUSTOMIZABLE_DISCRIMINATOR_OPTIONS[_key]) {
+        // Special case: compiling a model sets `pluralization = true` by default. Avoid throwing an error
+        // for that case. See gh-9238
+        if (_key === 'pluralization' && schema.options[_key] == true && baseSchema.options[_key] == null) {
+          continue;
+        }
+
+        if (!utils.deepEqual(schema.options[_key], baseSchema.options[_key])) {
+          throw new Error('Can\'t customize discriminator option ' + _key +
+            ' (can only modify ' +
+            Object.keys(CUSTOMIZABLE_DISCRIMINATOR_OPTIONS).join(', ') +
+            ')');
+        }
+      }
+    }
+    schema.options = utils.clone(baseSchema.options);
+    if (toJSON) schema.options.toJSON = toJSON;
+    if (toObject) schema.options.toObject = toObject;
+    if (typeof _id !== 'undefined') {
+      schema.options._id = _id;
+    }
+    schema.options.id = id;
+    schema.s.hooks = model.schema.s.hooks.merge(schema.s.hooks);
+
+    schema.plugins = Array.prototype.slice.call(baseSchema.plugins);
+    schema.callQueue = baseSchema.callQueue.concat(schema.callQueue);
+    delete schema._requiredpaths; // reset just in case Schema#requiredPaths() was called on either schema
+  }
+
+  // merges base schema into new discriminator schema and sets new type field.
+  merge(schema, model.schema);
+
+  if (!model.discriminators) {
+    model.discriminators = {};
+  }
+
+  if (!model.schema.discriminatorMapping) {
+    model.schema.discriminatorMapping = { key: key, value: null, isRoot: true };
+  }
+  if (!model.schema.discriminators) {
+    model.schema.discriminators = {};
+  }
+
+  model.schema.discriminators[name] = schema;
+
+  if (model.discriminators[name] && !schema.options.overwriteModels) {
+    throw new Error('Discriminator with name "' + name + '" already exists');
+  }
+
+  return schema;
+};
diff --git a/node_modules/mongoose/lib/helpers/model/pushNestedArrayPaths.js b/node_modules/mongoose/lib/helpers/model/pushNestedArrayPaths.js
new file mode 100644
index 000000000..7f234faa2
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/model/pushNestedArrayPaths.js
@@ -0,0 +1,15 @@
+'use strict';
+
+module.exports = function pushNestedArrayPaths(paths, nestedArray, path) {
+  if (nestedArray == null) {
+    return;
+  }
+
+  for (let i = 0; i < nestedArray.length; ++i) {
+    if (Array.isArray(nestedArray[i])) {
+      pushNestedArrayPaths(paths, nestedArray[i], path + '.' + i);
+    } else {
+      paths.push(path + '.' + i);
+    }
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/once.js b/node_modules/mongoose/lib/helpers/once.js
new file mode 100644
index 000000000..dfa5ee710
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/once.js
@@ -0,0 +1,12 @@
+'use strict';
+
+module.exports = function once(fn) {
+  let called = false;
+  return function() {
+    if (called) {
+      return;
+    }
+    called = true;
+    return fn.apply(null, arguments);
+  };
+};
diff --git a/node_modules/mongoose/lib/helpers/parallelLimit.js b/node_modules/mongoose/lib/helpers/parallelLimit.js
new file mode 100644
index 000000000..9b07c028b
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/parallelLimit.js
@@ -0,0 +1,55 @@
+'use strict';
+
+module.exports = parallelLimit;
+
+/*!
+ * ignore
+ */
+
+function parallelLimit(fns, limit, callback) {
+  let numInProgress = 0;
+  let numFinished = 0;
+  let error = null;
+
+  if (limit <= 0) {
+    throw new Error('Limit must be positive');
+  }
+
+  if (fns.length === 0) {
+    return callback(null, []);
+  }
+
+  for (let i = 0; i < fns.length && i < limit; ++i) {
+    _start();
+  }
+
+  function _start() {
+    fns[numFinished + numInProgress](_done(numFinished + numInProgress));
+    ++numInProgress;
+  }
+
+  const results = [];
+
+  function _done(index) {
+    return (err, res) => {
+      --numInProgress;
+      ++numFinished;
+
+      if (error != null) {
+        return;
+      }
+      if (err != null) {
+        error = err;
+        return callback(error);
+      }
+
+      results[index] = res;
+
+      if (numFinished === fns.length) {
+        return callback(null, results);
+      } else if (numFinished + numInProgress < fns.length) {
+        _start();
+      }
+    };
+  }
+}
diff --git a/node_modules/mongoose/lib/helpers/path/flattenObjectWithDottedPaths.js b/node_modules/mongoose/lib/helpers/path/flattenObjectWithDottedPaths.js
new file mode 100644
index 000000000..2771796d0
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/path/flattenObjectWithDottedPaths.js
@@ -0,0 +1,39 @@
+'use strict';
+
+const MongooseError = require('../../error/mongooseError');
+const isMongooseObject = require('../isMongooseObject');
+const setDottedPath = require('../path/setDottedPath');
+const util = require('util');
+
+/**
+ * Given an object that may contain dotted paths, flatten the paths out.
+ * For example: `flattenObjectWithDottedPaths({ a: { 'b.c': 42 } })` => `{ a: { b: { c: 42 } } }`
+ */
+
+module.exports = function flattenObjectWithDottedPaths(obj) {
+  if (obj == null || typeof obj !== 'object' || Array.isArray(obj)) {
+    return;
+  }
+  // Avoid Mongoose docs, like docs and maps, because these may cause infinite recursion
+  if (isMongooseObject(obj)) {
+    return;
+  }
+  const keys = Object.keys(obj);
+  for (const key of keys) {
+    const val = obj[key];
+    if (key.indexOf('.') !== -1) {
+      try {
+        delete obj[key];
+        setDottedPath(obj, key, val);
+      } catch (err) {
+        if (!(err instanceof TypeError)) {
+          throw err;
+        }
+        throw new MongooseError(`Conflicting dotted paths when setting document path, key: "${key}", value: ${util.inspect(val)}`);
+      }
+      continue;
+    }
+
+    flattenObjectWithDottedPaths(obj[key]);
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/path/parentPaths.js b/node_modules/mongoose/lib/helpers/path/parentPaths.js
new file mode 100644
index 000000000..6822c8cef
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/path/parentPaths.js
@@ -0,0 +1,18 @@
+'use strict';
+
+const dotRE = /\./g;
+module.exports = function parentPaths(path) {
+  if (path.indexOf('.') === -1) {
+    return [path];
+  }
+  const pieces = path.split(dotRE);
+  const len = pieces.length;
+  const ret = new Array(len);
+  let cur = '';
+  for (let i = 0; i < len; ++i) {
+    cur += (cur.length !== 0) ? '.' + pieces[i] : pieces[i];
+    ret[i] = cur;
+  }
+
+  return ret;
+};
diff --git a/node_modules/mongoose/lib/helpers/path/setDottedPath.js b/node_modules/mongoose/lib/helpers/path/setDottedPath.js
new file mode 100644
index 000000000..b17d54909
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/path/setDottedPath.js
@@ -0,0 +1,33 @@
+'use strict';
+
+const specialProperties = require('../specialProperties');
+
+
+module.exports = function setDottedPath(obj, path, val) {
+  if (path.indexOf('.') === -1) {
+    if (specialProperties.has(path)) {
+      return;
+    }
+
+    obj[path] = val;
+    return;
+  }
+  const parts = path.split('.');
+
+  const last = parts.pop();
+  let cur = obj;
+  for (const part of parts) {
+    if (specialProperties.has(part)) {
+      continue;
+    }
+    if (cur[part] == null) {
+      cur[part] = {};
+    }
+
+    cur = cur[part];
+  }
+
+  if (!specialProperties.has(last)) {
+    cur[last] = val;
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/pluralize.js b/node_modules/mongoose/lib/helpers/pluralize.js
new file mode 100644
index 000000000..657c87f03
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/pluralize.js
@@ -0,0 +1,94 @@
+'use strict';
+
+module.exports = pluralize;
+
+/**
+ * Pluralization rules.
+ */
+
+exports.pluralization = [
+  [/(m)an$/gi, '$1en'],
+  [/(pe)rson$/gi, '$1ople'],
+  [/(child)$/gi, '$1ren'],
+  [/^(ox)$/gi, '$1en'],
+  [/(ax|test)is$/gi, '$1es'],
+  [/(octop|vir)us$/gi, '$1i'],
+  [/(alias|status)$/gi, '$1es'],
+  [/(bu)s$/gi, '$1ses'],
+  [/(buffal|tomat|potat)o$/gi, '$1oes'],
+  [/([ti])um$/gi, '$1a'],
+  [/sis$/gi, 'ses'],
+  [/(?:([^f])fe|([lr])f)$/gi, '$1$2ves'],
+  [/(hive)$/gi, '$1s'],
+  [/([^aeiouy]|qu)y$/gi, '$1ies'],
+  [/(x|ch|ss|sh)$/gi, '$1es'],
+  [/(matr|vert|ind)ix|ex$/gi, '$1ices'],
+  [/([m|l])ouse$/gi, '$1ice'],
+  [/(kn|w|l)ife$/gi, '$1ives'],
+  [/(quiz)$/gi, '$1zes'],
+  [/^goose$/i, 'geese'],
+  [/s$/gi, 's'],
+  [/([^a-z])$/, '$1'],
+  [/$/gi, 's']
+];
+const rules = exports.pluralization;
+
+/**
+ * Uncountable words.
+ *
+ * These words are applied while processing the argument to `toCollectionName`.
+ * @api public
+ */
+
+exports.uncountables = [
+  'advice',
+  'energy',
+  'excretion',
+  'digestion',
+  'cooperation',
+  'health',
+  'justice',
+  'labour',
+  'machinery',
+  'equipment',
+  'information',
+  'pollution',
+  'sewage',
+  'paper',
+  'money',
+  'species',
+  'series',
+  'rain',
+  'rice',
+  'fish',
+  'sheep',
+  'moose',
+  'deer',
+  'news',
+  'expertise',
+  'status',
+  'media'
+];
+const uncountables = exports.uncountables;
+
+/**
+ * Pluralize function.
+ *
+ * @author TJ Holowaychuk (extracted from _ext.js_)
+ * @param {String} string to pluralize
+ * @api private
+ */
+
+function pluralize(str) {
+  let found;
+  str = str.toLowerCase();
+  if (!~uncountables.indexOf(str)) {
+    found = rules.filter(function(rule) {
+      return str.match(rule[0]);
+    });
+    if (found[0]) {
+      return str.replace(found[0][0], found[0][1]);
+    }
+  }
+  return str;
+}
diff --git a/node_modules/mongoose/lib/helpers/populate/SkipPopulateValue.js b/node_modules/mongoose/lib/helpers/populate/SkipPopulateValue.js
new file mode 100644
index 000000000..38f3f3906
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/populate/SkipPopulateValue.js
@@ -0,0 +1,10 @@
+'use strict';
+
+module.exports = function SkipPopulateValue(val) {
+  if (!(this instanceof SkipPopulateValue)) {
+    return new SkipPopulateValue(val);
+  }
+
+  this.val = val;
+  return this;
+};
diff --git a/node_modules/mongoose/lib/helpers/populate/assignRawDocsToIdStructure.js b/node_modules/mongoose/lib/helpers/populate/assignRawDocsToIdStructure.js
new file mode 100644
index 000000000..a4d5f137c
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/populate/assignRawDocsToIdStructure.js
@@ -0,0 +1,111 @@
+'use strict';
+
+const leanPopulateMap = require('./leanPopulateMap');
+const modelSymbol = require('../symbols').modelSymbol;
+const utils = require('../../utils');
+
+module.exports = assignRawDocsToIdStructure;
+
+/**
+ * Assign `vals` returned by mongo query to the `rawIds`
+ * structure returned from utils.getVals() honoring
+ * query sort order if specified by user.
+ *
+ * This can be optimized.
+ *
+ * Rules:
+ *
+ *   if the value of the path is not an array, use findOne rules, else find.
+ *   for findOne the results are assigned directly to doc path (including null results).
+ *   for find, if user specified sort order, results are assigned directly
+ *   else documents are put back in original order of array if found in results
+ *
+ * @param {Array} rawIds
+ * @param {Array} resultDocs
+ * @param {Array} resultOrder
+ * @param {Object} options
+ * @param {Boolean} recursed
+ * @api private
+ */
+
+function assignRawDocsToIdStructure(rawIds, resultDocs, resultOrder, options, recursed) {
+  // honor user specified sort order
+  const newOrder = [];
+  const sorting = options.sort && rawIds.length > 1;
+  const nullIfNotFound = options.$nullIfNotFound;
+  let doc;
+  let sid;
+  let id;
+
+  if (utils.isMongooseArray(rawIds)) {
+    rawIds = rawIds.__array;
+  }
+
+  let i = 0;
+  const len = rawIds.length;
+  for (i = 0; i < len; ++i) {
+    id = rawIds[i];
+
+    if (Array.isArray(id)) {
+      // handle [ [id0, id2], [id3] ]
+      assignRawDocsToIdStructure(id, resultDocs, resultOrder, options, true);
+      newOrder.push(id);
+      continue;
+    }
+
+    if (id === null && !sorting) {
+      // keep nulls for findOne unless sorting, which always
+      // removes them (backward compat)
+      newOrder.push(id);
+      continue;
+    }
+
+    sid = String(id);
+
+    doc = resultDocs[sid];
+    // If user wants separate copies of same doc, use this option
+    if (options.clone && doc != null) {
+      if (options.lean) {
+        const _model = leanPopulateMap.get(doc);
+        doc = utils.clone(doc);
+        leanPopulateMap.set(doc, _model);
+      } else {
+        doc = doc.constructor.hydrate(doc._doc);
+      }
+    }
+
+    if (recursed) {
+      if (doc) {
+        if (sorting) {
+          const _resultOrder = resultOrder[sid];
+          if (Array.isArray(_resultOrder) && Array.isArray(doc) && _resultOrder.length === doc.length) {
+            newOrder.push(doc);
+          } else {
+            newOrder[_resultOrder] = doc;
+          }
+        } else {
+          newOrder.push(doc);
+        }
+      } else if (id != null && id[modelSymbol] != null) {
+        newOrder.push(id);
+      } else {
+        newOrder.push(options.retainNullValues || nullIfNotFound ? null : id);
+      }
+    } else {
+      // apply findOne behavior - if document in results, assign, else assign null
+      newOrder[i] = doc || null;
+    }
+  }
+
+  rawIds.length = 0;
+  if (newOrder.length) {
+    // reassign the documents based on corrected order
+
+    // forEach skips over sparse entries in arrays so we
+    // can safely use this to our advantage dealing with sorted
+    // result sets too.
+    newOrder.forEach(function(doc, i) {
+      rawIds[i] = doc;
+    });
+  }
+}
diff --git a/node_modules/mongoose/lib/helpers/populate/assignVals.js b/node_modules/mongoose/lib/helpers/populate/assignVals.js
new file mode 100644
index 000000000..651a48e48
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/populate/assignVals.js
@@ -0,0 +1,334 @@
+'use strict';
+
+const MongooseMap = require('../../types/map');
+const SkipPopulateValue = require('./SkipPopulateValue');
+const assignRawDocsToIdStructure = require('./assignRawDocsToIdStructure');
+const get = require('../get');
+const getVirtual = require('./getVirtual');
+const leanPopulateMap = require('./leanPopulateMap');
+const lookupLocalFields = require('./lookupLocalFields');
+const markArraySubdocsPopulated = require('./markArraySubdocsPopulated');
+const mpath = require('mpath');
+const sift = require('sift').default;
+const utils = require('../../utils');
+const { populateModelSymbol } = require('../symbols');
+
+module.exports = function assignVals(o) {
+  // Options that aren't explicitly listed in `populateOptions`
+  const userOptions = Object.assign({}, get(o, 'allOptions.options.options'), get(o, 'allOptions.options'));
+  // `o.options` contains options explicitly listed in `populateOptions`, like
+  // `match` and `limit`.
+  const populateOptions = Object.assign({}, o.options, userOptions, {
+    justOne: o.justOne
+  });
+  populateOptions.$nullIfNotFound = o.isVirtual;
+  const populatedModel = o.populatedModel;
+
+  const originalIds = [].concat(o.rawIds);
+
+  // replace the original ids in our intermediate _ids structure
+  // with the documents found by query
+  o.allIds = [].concat(o.allIds);
+  assignRawDocsToIdStructure(o.rawIds, o.rawDocs, o.rawOrder, populateOptions);
+
+  // now update the original documents being populated using the
+  // result structure that contains real documents.
+  const docs = o.docs;
+  const rawIds = o.rawIds;
+  const options = o.options;
+  const count = o.count && o.isVirtual;
+  let i;
+
+  function setValue(val) {
+    if (count) {
+      return val;
+    }
+    if (val instanceof SkipPopulateValue) {
+      return val.val;
+    }
+    if (val === void 0) {
+      return val;
+    }
+
+    const _allIds = o.allIds[i];
+
+    if (o.justOne === true && Array.isArray(val)) {
+      // Might be an embedded discriminator (re: gh-9244) with multiple models, so make sure to pick the right
+      // model before assigning.
+      const ret = [];
+      for (const doc of val) {
+        const _docPopulatedModel = leanPopulateMap.get(doc);
+        if (_docPopulatedModel == null || _docPopulatedModel === populatedModel) {
+          ret.push(doc);
+        }
+      }
+      // Since we don't want to have to create a new mongoosearray, make sure to
+      // modify the array in place
+      while (val.length > ret.length) {
+        Array.prototype.pop.apply(val, []);
+      }
+      for (let i = 0; i < ret.length; ++i) {
+        val[i] = ret[i];
+      }
+
+      return valueFilter(val[0], options, populateOptions, _allIds);
+    } else if (o.justOne === false && !Array.isArray(val)) {
+      return valueFilter([val], options, populateOptions, _allIds);
+    }
+    return valueFilter(val, options, populateOptions, _allIds);
+  }
+
+  for (i = 0; i < docs.length; ++i) {
+    const _path = o.path.endsWith('.$*') ? o.path.slice(0, -3) : o.path;
+    const existingVal = mpath.get(_path, docs[i], lookupLocalFields);
+    if (existingVal == null && !getVirtual(o.originalModel.schema, _path)) {
+      continue;
+    }
+
+    let valueToSet;
+    if (count) {
+      valueToSet = numDocs(rawIds[i]);
+    } else if (Array.isArray(o.match)) {
+      valueToSet = Array.isArray(rawIds[i]) ?
+        rawIds[i].filter(sift(o.match[i])) :
+        [rawIds[i]].filter(sift(o.match[i]))[0];
+    } else {
+      valueToSet = rawIds[i];
+    }
+
+    // If we're populating a map, the existing value will be an object, so
+    // we need to transform again
+    const originalSchema = o.originalModel.schema;
+    const isDoc = get(docs[i], '$__', null) != null;
+    let isMap = isDoc ?
+      existingVal instanceof Map :
+      utils.isPOJO(existingVal);
+    // If we pass the first check, also make sure the local field's schematype
+    // is map (re: gh-6460)
+    isMap = isMap && get(originalSchema._getSchema(_path), '$isSchemaMap');
+    if (!o.isVirtual && isMap) {
+      const _keys = existingVal instanceof Map ?
+        Array.from(existingVal.keys()) :
+        Object.keys(existingVal);
+      valueToSet = valueToSet.reduce((cur, v, i) => {
+        cur.set(_keys[i], v);
+        return cur;
+      }, new Map());
+    }
+
+    if (isDoc && Array.isArray(valueToSet)) {
+      for (const val of valueToSet) {
+        if (val != null && val.$__ != null) {
+          val.$__.parent = docs[i];
+        }
+      }
+    } else if (isDoc && valueToSet != null && valueToSet.$__ != null) {
+      valueToSet.$__.parent = docs[i];
+    }
+
+    if (o.isVirtual && isDoc) {
+      docs[i].$populated(_path, o.justOne ? originalIds[0] : originalIds, o.allOptions);
+      // If virtual populate and doc is already init-ed, need to walk through
+      // the actual doc to set rather than setting `_doc` directly
+      if (Array.isArray(valueToSet)) {
+        valueToSet = valueToSet.map(v => v == null ? void 0 : v);
+      }
+      mpath.set(_path, valueToSet, docs[i], void 0, setValue, false);
+      continue;
+    }
+
+    const parts = _path.split('.');
+    let cur = docs[i];
+    const curPath = parts[0];
+    for (let j = 0; j < parts.length - 1; ++j) {
+      // If we get to an array with a dotted path, like `arr.foo`, don't set
+      // `foo` on the array.
+      if (Array.isArray(cur) && !utils.isArrayIndex(parts[j])) {
+        break;
+      }
+
+      if (parts[j] === '$*') {
+        break;
+      }
+
+      if (cur[parts[j]] == null) {
+        // If nothing to set, avoid creating an unnecessary array. Otherwise
+        // we'll end up with a single doc in the array with only defaults.
+        // See gh-8342, gh-8455
+        const schematype = originalSchema._getSchema(curPath);
+        if (valueToSet == null && schematype != null && schematype.$isMongooseArray) {
+          break;
+        }
+        cur[parts[j]] = {};
+      }
+      cur = cur[parts[j]];
+      // If the property in MongoDB is a primitive, we won't be able to populate
+      // the nested path, so skip it. See gh-7545
+      if (typeof cur !== 'object') {
+        break;
+      }
+    }
+    if (docs[i].$__) {
+      o.allOptions.options[populateModelSymbol] = o.allOptions.model;
+      docs[i].$populated(_path, o.unpopulatedValues[i], o.allOptions.options);
+
+      if (valueToSet != null && valueToSet.$__ != null) {
+        valueToSet.$__.wasPopulated = { value: o.unpopulatedValues[i] };
+      }
+
+      if (valueToSet instanceof Map && !valueToSet.$isMongooseMap) {
+        valueToSet = new MongooseMap(valueToSet, _path, docs[i], docs[i].schema.path(_path).$__schemaType);
+      }
+    }
+
+    // If lean, need to check that each individual virtual respects
+    // `justOne`, because you may have a populated virtual with `justOne`
+    // underneath an array. See gh-6867
+    mpath.set(_path, valueToSet, docs[i], lookupLocalFields, setValue, false);
+
+    if (docs[i].$__) {
+      markArraySubdocsPopulated(docs[i], [o.allOptions.options]);
+    }
+  }
+};
+
+function numDocs(v) {
+  if (Array.isArray(v)) {
+    // If setting underneath an array of populated subdocs, we may have an
+    // array of arrays. See gh-7573
+    if (v.some(el => Array.isArray(el) || el === null)) {
+      return v.map(el => {
+        if (el == null) {
+          return 0;
+        }
+        if (Array.isArray(el)) {
+          return el.filter(el => el != null).length;
+        }
+        return 1;
+      });
+    }
+    return v.filter(el => el != null).length;
+  }
+  return v == null ? 0 : 1;
+}
+
+/**
+ * 1) Apply backwards compatible find/findOne behavior to sub documents
+ *
+ *    find logic:
+ *      a) filter out non-documents
+ *      b) remove _id from sub docs when user specified
+ *
+ *    findOne
+ *      a) if no doc found, set to null
+ *      b) remove _id from sub docs when user specified
+ *
+ * 2) Remove _ids when specified by users query.
+ *
+ * background:
+ * _ids are left in the query even when user excludes them so
+ * that population mapping can occur.
+ * @param {Any} val
+ * @param {Object} assignmentOpts
+ * @param {Object} populateOptions
+ * @param {Function} [populateOptions.transform]
+ * @param {Boolean} allIds
+ * @api private
+ */
+
+function valueFilter(val, assignmentOpts, populateOptions, allIds) {
+  const userSpecifiedTransform = typeof populateOptions.transform === 'function';
+  const transform = userSpecifiedTransform ? populateOptions.transform : noop;
+  if (Array.isArray(val)) {
+    // find logic
+    const ret = [];
+    const numValues = val.length;
+    for (let i = 0; i < numValues; ++i) {
+      let subdoc = val[i];
+      const _allIds = Array.isArray(allIds) ? allIds[i] : allIds;
+      if (!isPopulatedObject(subdoc) && (!populateOptions.retainNullValues || subdoc != null) && !userSpecifiedTransform) {
+        continue;
+      } else if (userSpecifiedTransform) {
+        subdoc = transform(isPopulatedObject(subdoc) ? subdoc : null, _allIds);
+      }
+      maybeRemoveId(subdoc, assignmentOpts);
+      ret.push(subdoc);
+      if (assignmentOpts.originalLimit &&
+          ret.length >= assignmentOpts.originalLimit) {
+        break;
+      }
+    }
+
+    const rLen = ret.length;
+    // Since we don't want to have to create a new mongoosearray, make sure to
+    // modify the array in place
+    while (val.length > rLen) {
+      Array.prototype.pop.apply(val, []);
+    }
+    let i = 0;
+    if (utils.isMongooseArray(val)) {
+      for (i = 0; i < rLen; ++i) {
+        val.set(i, ret[i], true);
+      }
+    } else {
+      for (i = 0; i < rLen; ++i) {
+        val[i] = ret[i];
+      }
+    }
+    return val;
+  }
+
+  // findOne
+  if (isPopulatedObject(val) || utils.isPOJO(val)) {
+    maybeRemoveId(val, assignmentOpts);
+    return transform(val, allIds);
+  }
+  if (val instanceof Map) {
+    return val;
+  }
+
+  if (populateOptions.justOne === false) {
+    return [];
+  }
+
+  return val == null ? transform(val, allIds) : transform(null, allIds);
+}
+
+/**
+ * Remove _id from `subdoc` if user specified "lean" query option
+ * @param {Document} subdoc
+ * @param {Object} assignmentOpts
+ * @api private
+ */
+
+function maybeRemoveId(subdoc, assignmentOpts) {
+  if (subdoc != null && assignmentOpts.excludeId) {
+    if (typeof subdoc.$__setValue === 'function') {
+      delete subdoc._doc._id;
+    } else {
+      delete subdoc._id;
+    }
+  }
+}
+
+/**
+ * Determine if `obj` is something we can set a populated path to. Can be a
+ * document, a lean document, or an array/map that contains docs.
+ * @param {Any} obj
+ * @api private
+ */
+
+function isPopulatedObject(obj) {
+  if (obj == null) {
+    return false;
+  }
+
+  return Array.isArray(obj) ||
+    obj.$isMongooseMap ||
+    obj.$__ != null ||
+    leanPopulateMap.has(obj);
+}
+
+function noop(v) {
+  return v;
+}
diff --git a/node_modules/mongoose/lib/helpers/populate/createPopulateQueryFilter.js b/node_modules/mongoose/lib/helpers/populate/createPopulateQueryFilter.js
new file mode 100644
index 000000000..810f31a28
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/populate/createPopulateQueryFilter.js
@@ -0,0 +1,86 @@
+'use strict';
+
+const SkipPopulateValue = require('./SkipPopulateValue');
+const parentPaths = require('../path/parentPaths');
+const { trusted } = require('../query/trusted');
+
+module.exports = function createPopulateQueryFilter(ids, _match, _foreignField, model, skipInvalidIds) {
+  const match = _formatMatch(_match);
+
+  if (_foreignField.size === 1) {
+    const foreignField = Array.from(_foreignField)[0];
+    const foreignSchemaType = model.schema.path(foreignField);
+    if (foreignField !== '_id' || !match['_id']) {
+      ids = _filterInvalidIds(ids, foreignSchemaType, skipInvalidIds);
+      match[foreignField] = trusted({ $in: ids });
+    }
+
+    const _parentPaths = parentPaths(foreignField);
+    for (let i = 0; i < _parentPaths.length - 1; ++i) {
+      const cur = _parentPaths[i];
+      if (match[cur] != null && match[cur].$elemMatch != null) {
+        match[cur].$elemMatch[foreignField.slice(cur.length + 1)] = trusted({ $in: ids });
+        delete match[foreignField];
+        break;
+      }
+    }
+  } else {
+    const $or = [];
+    if (Array.isArray(match.$or)) {
+      match.$and = [{ $or: match.$or }, { $or: $or }];
+      delete match.$or;
+    } else {
+      match.$or = $or;
+    }
+    for (const foreignField of _foreignField) {
+      if (foreignField !== '_id' || !match['_id']) {
+        const foreignSchemaType = model.schema.path(foreignField);
+        ids = _filterInvalidIds(ids, foreignSchemaType, skipInvalidIds);
+        $or.push({ [foreignField]: { $in: ids } });
+      }
+    }
+  }
+
+  return match;
+};
+
+/**
+ * Optionally filter out invalid ids that don't conform to foreign field's schema
+ * to avoid cast errors (gh-7706)
+ * @param {Array} ids
+ * @param {SchemaType} foreignSchemaType
+ * @param {Boolean} [skipInvalidIds]
+ * @api private
+ */
+
+function _filterInvalidIds(ids, foreignSchemaType, skipInvalidIds) {
+  ids = ids.filter(v => !(v instanceof SkipPopulateValue));
+  if (!skipInvalidIds) {
+    return ids;
+  }
+  return ids.filter(id => {
+    try {
+      foreignSchemaType.cast(id);
+      return true;
+    } catch (err) {
+      return false;
+    }
+  });
+}
+
+/**
+ * Format `mod.match` given that it may be an array that we need to $or if
+ * the client has multiple docs with match functions
+ * @param {Array|Any} match
+ * @api private
+ */
+
+function _formatMatch(match) {
+  if (Array.isArray(match)) {
+    if (match.length > 1) {
+      return { $or: [].concat(match.map(m => Object.assign({}, m))) };
+    }
+    return Object.assign({}, match[0]);
+  }
+  return Object.assign({}, match);
+}
diff --git a/node_modules/mongoose/lib/helpers/populate/getModelsMapForPopulate.js b/node_modules/mongoose/lib/helpers/populate/getModelsMapForPopulate.js
new file mode 100644
index 000000000..d767c3695
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/populate/getModelsMapForPopulate.js
@@ -0,0 +1,730 @@
+'use strict';
+
+const MongooseError = require('../../error/index');
+const SkipPopulateValue = require('./SkipPopulateValue');
+const get = require('../get');
+const getDiscriminatorByValue = require('../discriminator/getDiscriminatorByValue');
+const getConstructorName = require('../getConstructorName');
+const getSchemaTypes = require('./getSchemaTypes');
+const getVirtual = require('./getVirtual');
+const lookupLocalFields = require('./lookupLocalFields');
+const mpath = require('mpath');
+const modelNamesFromRefPath = require('./modelNamesFromRefPath');
+const utils = require('../../utils');
+
+const modelSymbol = require('../symbols').modelSymbol;
+const populateModelSymbol = require('../symbols').populateModelSymbol;
+const schemaMixedSymbol = require('../../schema/symbols').schemaMixedSymbol;
+const StrictPopulate = require('../../error/strictPopulate');
+
+module.exports = function getModelsMapForPopulate(model, docs, options) {
+  let doc;
+  const len = docs.length;
+  const map = [];
+  const modelNameFromQuery = options.model && options.model.modelName || options.model;
+  let schema;
+  let refPath;
+  let modelNames;
+  const available = {};
+
+  const modelSchema = model.schema;
+
+  // Populating a nested path should always be a no-op re: #9073.
+  // People shouldn't do this, but apparently they do.
+  if (options._localModel != null && options._localModel.schema.nested[options.path]) {
+    return [];
+  }
+
+  const _virtualRes = getVirtual(model.schema, options.path);
+  const virtual = _virtualRes == null ? null : _virtualRes.virtual;
+  if (virtual != null) {
+    return _virtualPopulate(model, docs, options, _virtualRes);
+  }
+
+  let allSchemaTypes = getSchemaTypes(model, modelSchema, null, options.path);
+  allSchemaTypes = Array.isArray(allSchemaTypes) ? allSchemaTypes : [allSchemaTypes].filter(v => v != null);
+
+  if (allSchemaTypes.length === 0 && options.strictPopulate !== false && options._localModel != null) {
+    return new StrictPopulate(options._fullPath || options.path);
+  }
+
+  for (let i = 0; i < len; i++) {
+    doc = docs[i];
+    let justOne = null;
+
+    const docSchema = doc != null && doc.$__ != null ? doc.$__schema : modelSchema;
+    schema = getSchemaTypes(model, docSchema, doc, options.path);
+
+    // Special case: populating a path that's a DocumentArray unless
+    // there's an explicit `ref` or `refPath` re: gh-8946
+    if (schema != null &&
+        schema.$isMongooseDocumentArray &&
+        schema.options.ref == null &&
+        schema.options.refPath == null) {
+      continue;
+    }
+    const isUnderneathDocArray = schema && schema.$isUnderneathDocArray;
+    if (isUnderneathDocArray && get(options, 'options.sort') != null) {
+      return new MongooseError('Cannot populate with `sort` on path ' + options.path +
+        ' because it is a subproperty of a document array');
+    }
+
+    modelNames = null;
+    let isRefPath = false;
+    let normalizedRefPath = null;
+    let schemaOptions = null;
+    let modelNamesInOrder = null;
+
+    if (schema != null && schema.instance === 'Embedded') {
+      if (schema.options.ref) {
+        const data = {
+          localField: options.path + '._id',
+          foreignField: '_id',
+          justOne: true
+        };
+        const res = _getModelNames(doc, schema, modelNameFromQuery, model);
+
+        const unpopulatedValue = mpath.get(options.path, doc);
+        const id = mpath.get('_id', unpopulatedValue);
+        addModelNamesToMap(model, map, available, res.modelNames, options, data, id, doc, schemaOptions, unpopulatedValue);
+      }
+      // No-op if no `ref` set. See gh-11538
+      continue;
+    }
+
+    if (Array.isArray(schema)) {
+      const schemasArray = schema;
+      for (const _schema of schemasArray) {
+        let _modelNames;
+        let res;
+        try {
+          res = _getModelNames(doc, _schema, modelNameFromQuery, model);
+          _modelNames = res.modelNames;
+          isRefPath = isRefPath || res.isRefPath;
+          normalizedRefPath = normalizedRefPath || res.refPath;
+          justOne = res.justOne;
+        } catch (error) {
+          return error;
+        }
+
+        if (isRefPath && !res.isRefPath) {
+          continue;
+        }
+        if (!_modelNames) {
+          continue;
+        }
+        modelNames = modelNames || [];
+        for (const modelName of _modelNames) {
+          if (modelNames.indexOf(modelName) === -1) {
+            modelNames.push(modelName);
+          }
+        }
+      }
+    } else {
+      try {
+        const res = _getModelNames(doc, schema, modelNameFromQuery, model);
+        modelNames = res.modelNames;
+        isRefPath = res.isRefPath;
+        normalizedRefPath = normalizedRefPath || res.refPath;
+        justOne = res.justOne;
+        schemaOptions = get(schema, 'options.populate', null);
+        // Dedupe, because `refPath` can return duplicates of the same model name,
+        // and that causes perf issues.
+        if (isRefPath) {
+          modelNamesInOrder = modelNames;
+          modelNames = Array.from(new Set(modelNames));
+        }
+      } catch (error) {
+        return error;
+      }
+
+      if (!modelNames) {
+        continue;
+      }
+    }
+
+    const data = {};
+    const localField = options.path;
+    const foreignField = '_id';
+
+    // `justOne = null` means we don't know from the schema whether the end
+    // result should be an array or a single doc. This can result from
+    // populating a POJO using `Model.populate()`
+    if ('justOne' in options && options.justOne !== void 0) {
+      justOne = options.justOne;
+    } else if (schema && !schema[schemaMixedSymbol]) {
+      // Skip Mixed types because we explicitly don't do casting on those.
+      if (options.path.endsWith('.' + schema.path) || options.path === schema.path) {
+        justOne = Array.isArray(schema) ?
+          schema.every(schema => !schema.$isMongooseArray) :
+          !schema.$isMongooseArray;
+      }
+    }
+
+    if (!modelNames) {
+      continue;
+    }
+
+    data.isVirtual = false;
+    data.justOne = justOne;
+    data.localField = localField;
+    data.foreignField = foreignField;
+
+    // Get local fields
+    const ret = _getLocalFieldValues(doc, localField, model, options, null, schema);
+
+    const id = String(utils.getValue(foreignField, doc));
+    options._docs[id] = Array.isArray(ret) ? ret.slice() : ret;
+
+    let match = get(options, 'match', null);
+
+    const hasMatchFunction = typeof match === 'function';
+    if (hasMatchFunction) {
+      match = match.call(doc, doc);
+    }
+    data.match = match;
+    data.hasMatchFunction = hasMatchFunction;
+    data.isRefPath = isRefPath;
+    data.modelNamesInOrder = modelNamesInOrder;
+
+    if (isRefPath) {
+      const embeddedDiscriminatorModelNames = _findRefPathForDiscriminators(doc,
+        modelSchema, data, options, normalizedRefPath, ret);
+
+      modelNames = embeddedDiscriminatorModelNames || modelNames;
+    }
+
+    try {
+      addModelNamesToMap(model, map, available, modelNames, options, data, ret, doc, schemaOptions);
+    } catch (err) {
+      return err;
+    }
+  }
+  return map;
+
+  function _getModelNames(doc, schema, modelNameFromQuery, model) {
+    let modelNames;
+    let isRefPath = false;
+    let justOne = null;
+
+    if (schema && schema.instance === 'Array') {
+      schema = schema.caster;
+    }
+    if (schema && schema.$isSchemaMap) {
+      schema = schema.$__schemaType;
+    }
+
+    const ref = schema && schema.options && schema.options.ref;
+    refPath = schema && schema.options && schema.options.refPath;
+    if (schema != null &&
+        schema[schemaMixedSymbol] &&
+        !ref &&
+        !refPath &&
+        !modelNameFromQuery) {
+      return { modelNames: null };
+    }
+
+    if (modelNameFromQuery) {
+      modelNames = [modelNameFromQuery]; // query options
+    } else if (refPath != null) {
+      if (typeof refPath === 'function') {
+        const subdocPath = options.path.slice(0, options.path.length - schema.path.length - 1);
+        const vals = mpath.get(subdocPath, doc, lookupLocalFields);
+        const subdocsBeingPopulated = Array.isArray(vals) ?
+          utils.array.flatten(vals) :
+          (vals ? [vals] : []);
+
+        modelNames = new Set();
+        for (const subdoc of subdocsBeingPopulated) {
+          refPath = refPath.call(subdoc, subdoc, options.path);
+          modelNamesFromRefPath(refPath, doc, options.path, modelSchema, options._queryProjection).
+            forEach(name => modelNames.add(name));
+        }
+        modelNames = Array.from(modelNames);
+      } else {
+        modelNames = modelNamesFromRefPath(refPath, doc, options.path, modelSchema, options._queryProjection);
+      }
+
+      isRefPath = true;
+    } else {
+      let ref;
+      let refPath;
+      let schemaForCurrentDoc;
+      let discriminatorValue;
+      let modelForCurrentDoc = model;
+      const discriminatorKey = model.schema.options.discriminatorKey;
+
+      if (!schema && discriminatorKey && (discriminatorValue = utils.getValue(discriminatorKey, doc))) {
+        // `modelNameForFind` is the discriminator value, so we might need
+        // find the discriminated model name
+        const discriminatorModel = getDiscriminatorByValue(model.discriminators, discriminatorValue) || model;
+        if (discriminatorModel != null) {
+          modelForCurrentDoc = discriminatorModel;
+        } else {
+          try {
+            modelForCurrentDoc = _getModelFromConn(model.db, discriminatorValue);
+          } catch (error) {
+            return error;
+          }
+        }
+
+        schemaForCurrentDoc = modelForCurrentDoc.schema._getSchema(options.path);
+
+        if (schemaForCurrentDoc && schemaForCurrentDoc.caster) {
+          schemaForCurrentDoc = schemaForCurrentDoc.caster;
+        }
+      } else {
+        schemaForCurrentDoc = schema;
+      }
+
+      if (schemaForCurrentDoc != null) {
+        justOne = !schemaForCurrentDoc.$isMongooseArray && !schemaForCurrentDoc._arrayPath;
+      }
+
+      if ((ref = get(schemaForCurrentDoc, 'options.ref')) != null) {
+        if (schemaForCurrentDoc != null &&
+            typeof ref === 'function' &&
+            options.path.endsWith('.' + schemaForCurrentDoc.path)) {
+          // Ensure correct context for ref functions: subdoc, not top-level doc. See gh-8469
+          modelNames = new Set();
+
+          const subdocPath = options.path.slice(0, options.path.length - schemaForCurrentDoc.path.length - 1);
+          const vals = mpath.get(subdocPath, doc, lookupLocalFields);
+          const subdocsBeingPopulated = Array.isArray(vals) ?
+            utils.array.flatten(vals) :
+            (vals ? [vals] : []);
+          for (const subdoc of subdocsBeingPopulated) {
+            modelNames.add(handleRefFunction(ref, subdoc));
+          }
+
+          if (subdocsBeingPopulated.length === 0) {
+            modelNames = [handleRefFunction(ref, doc)];
+          } else {
+            modelNames = Array.from(modelNames);
+          }
+        } else {
+          ref = handleRefFunction(ref, doc);
+          modelNames = [ref];
+        }
+      } else if ((schemaForCurrentDoc = get(schema, 'options.refPath')) != null) {
+        isRefPath = true;
+        if (typeof refPath === 'function') {
+          const subdocPath = options.path.slice(0, options.path.length - schemaForCurrentDoc.path.length - 1);
+          const vals = mpath.get(subdocPath, doc, lookupLocalFields);
+          const subdocsBeingPopulated = Array.isArray(vals) ?
+            utils.array.flatten(vals) :
+            (vals ? [vals] : []);
+
+          modelNames = new Set();
+          for (const subdoc of subdocsBeingPopulated) {
+            refPath = refPath.call(subdoc, subdoc, options.path);
+            modelNamesFromRefPath(refPath, doc, options.path, modelSchema, options._queryProjection).
+              forEach(name => modelNames.add(name));
+          }
+          modelNames = Array.from(modelNames);
+        } else {
+          modelNames = modelNamesFromRefPath(refPath, doc, options.path, modelSchema, options._queryProjection);
+        }
+      }
+    }
+
+    if (!modelNames) {
+      // `Model.populate()` on a POJO with no known local model. Default to using the `Model`
+      if (options._localModel == null) {
+        modelNames = [model.modelName];
+      } else {
+        return { modelNames: modelNames, justOne: justOne, isRefPath: isRefPath, refPath: refPath };
+      }
+    }
+
+    if (!Array.isArray(modelNames)) {
+      modelNames = [modelNames];
+    }
+
+    return { modelNames: modelNames, justOne: justOne, isRefPath: isRefPath, refPath: refPath };
+  }
+};
+
+/*!
+ * ignore
+ */
+
+function _virtualPopulate(model, docs, options, _virtualRes) {
+  const map = [];
+  const available = {};
+  const virtual = _virtualRes.virtual;
+
+  for (const doc of docs) {
+    let modelNames = null;
+    const data = {};
+
+    // localField and foreignField
+    let localField;
+    const virtualPrefix = _virtualRes.nestedSchemaPath ?
+      _virtualRes.nestedSchemaPath + '.' : '';
+    if (typeof virtual.options.localField === 'function') {
+      localField = virtualPrefix + virtual.options.localField.call(doc, doc);
+    } else if (Array.isArray(virtual.options.localField)) {
+      localField = virtual.options.localField.map(field => virtualPrefix + field);
+    } else {
+      localField = virtualPrefix + virtual.options.localField;
+    }
+    data.count = virtual.options.count;
+
+    if (virtual.options.skip != null && !options.hasOwnProperty('skip')) {
+      options.skip = virtual.options.skip;
+    }
+    if (virtual.options.limit != null && !options.hasOwnProperty('limit')) {
+      options.limit = virtual.options.limit;
+    }
+    if (virtual.options.perDocumentLimit != null && !options.hasOwnProperty('perDocumentLimit')) {
+      options.perDocumentLimit = virtual.options.perDocumentLimit;
+    }
+    let foreignField = virtual.options.foreignField;
+
+    if (!localField || !foreignField) {
+      return new MongooseError('If you are populating a virtual, you must set the ' +
+        'localField and foreignField options');
+    }
+
+    if (typeof localField === 'function') {
+      localField = localField.call(doc, doc);
+    }
+    if (typeof foreignField === 'function') {
+      foreignField = foreignField.call(doc, doc);
+    }
+
+    data.isRefPath = false;
+
+    // `justOne = null` means we don't know from the schema whether the end
+    // result should be an array or a single doc. This can result from
+    // populating a POJO using `Model.populate()`
+    let justOne = null;
+    if ('justOne' in options && options.justOne !== void 0) {
+      justOne = options.justOne;
+    }
+
+    if (virtual.options.refPath) {
+      modelNames =
+        modelNamesFromRefPath(virtual.options.refPath, doc, options.path);
+      justOne = !!virtual.options.justOne;
+      data.isRefPath = true;
+    } else if (virtual.options.ref) {
+      let normalizedRef;
+      if (typeof virtual.options.ref === 'function' && !virtual.options.ref[modelSymbol]) {
+        normalizedRef = virtual.options.ref.call(doc, doc);
+      } else {
+        normalizedRef = virtual.options.ref;
+      }
+      justOne = !!virtual.options.justOne;
+      // When referencing nested arrays, the ref should be an Array
+      // of modelNames.
+      if (Array.isArray(normalizedRef)) {
+        modelNames = normalizedRef;
+      } else {
+        modelNames = [normalizedRef];
+      }
+    }
+
+    data.isVirtual = true;
+    data.virtual = virtual;
+    data.justOne = justOne;
+
+    // `match`
+    let match = get(options, 'match', null) ||
+      get(data, 'virtual.options.match', null) ||
+      get(data, 'virtual.options.options.match', null);
+
+    let hasMatchFunction = typeof match === 'function';
+    if (hasMatchFunction) {
+      match = match.call(doc, doc);
+    }
+
+    if (Array.isArray(localField) && Array.isArray(foreignField) && localField.length === foreignField.length) {
+      match = Object.assign({}, match);
+      for (let i = 1; i < localField.length; ++i) {
+        match[foreignField[i]] = convertTo_id(mpath.get(localField[i], doc, lookupLocalFields), model.schema);
+        hasMatchFunction = true;
+      }
+
+      localField = localField[0];
+      foreignField = foreignField[0];
+    }
+
+    data.localField = localField;
+    data.foreignField = foreignField;
+    data.match = match;
+    data.hasMatchFunction = hasMatchFunction;
+
+    // Get local fields
+    const ret = _getLocalFieldValues(doc, localField, model, options, virtual);
+
+    try {
+      addModelNamesToMap(model, map, available, modelNames, options, data, ret, doc);
+    } catch (err) {
+      return err;
+    }
+  }
+
+  return map;
+}
+
+/*!
+ * ignore
+ */
+
+function addModelNamesToMap(model, map, available, modelNames, options, data, ret, doc, schemaOptions, unpopulatedValue) {
+  // `PopulateOptions#connection`: if the model is passed as a string, the
+  // connection matters because different connections have different models.
+  const connection = options.connection != null ? options.connection : model.db;
+
+  unpopulatedValue = unpopulatedValue === void 0 ? ret : unpopulatedValue;
+  if (Array.isArray(unpopulatedValue)) {
+    unpopulatedValue = utils.cloneArrays(unpopulatedValue);
+  }
+
+  if (modelNames == null) {
+    return;
+  }
+
+  let k = modelNames.length;
+  while (k--) {
+    const modelName = modelNames[k];
+    if (modelName == null) {
+      continue;
+    }
+
+    let Model;
+    if (options.model && options.model[modelSymbol]) {
+      Model = options.model;
+    } else if (modelName[modelSymbol]) {
+      Model = modelName;
+    } else {
+      try {
+        Model = _getModelFromConn(connection, modelName);
+      } catch (err) {
+        if (ret !== void 0) {
+          throw err;
+        }
+        Model = null;
+      }
+    }
+
+    let ids = ret;
+    const flat = Array.isArray(ret) ? utils.array.flatten(ret) : [];
+
+    const modelNamesForRefPath = data.modelNamesInOrder ? data.modelNamesInOrder : modelNames;
+    if (data.isRefPath && Array.isArray(ret) && flat.length === modelNamesForRefPath.length) {
+      ids = flat.filter((val, i) => modelNamesForRefPath[i] === modelName);
+    }
+
+    const perDocumentLimit = options.perDocumentLimit == null ?
+      get(options, 'options.perDocumentLimit', null) :
+      options.perDocumentLimit;
+
+    if (!available[modelName] || perDocumentLimit != null) {
+      const currentOptions = {
+        model: Model
+      };
+
+      if (data.isVirtual && get(data.virtual, 'options.options')) {
+        currentOptions.options = utils.clone(data.virtual.options.options);
+      } else if (schemaOptions != null) {
+        currentOptions.options = Object.assign({}, schemaOptions);
+      }
+      utils.merge(currentOptions, options);
+
+      // Used internally for checking what model was used to populate this
+      // path.
+      options[populateModelSymbol] = Model;
+
+      available[modelName] = {
+        model: Model,
+        options: currentOptions,
+        match: data.hasMatchFunction ? [data.match] : data.match,
+        docs: [doc],
+        ids: [ids],
+        allIds: [ret],
+        unpopulatedValues: [unpopulatedValue],
+        localField: new Set([data.localField]),
+        foreignField: new Set([data.foreignField]),
+        justOne: data.justOne,
+        isVirtual: data.isVirtual,
+        virtual: data.virtual,
+        count: data.count,
+        [populateModelSymbol]: Model
+      };
+      map.push(available[modelName]);
+    } else {
+      available[modelName].localField.add(data.localField);
+      available[modelName].foreignField.add(data.foreignField);
+      available[modelName].docs.push(doc);
+      available[modelName].ids.push(ids);
+      available[modelName].allIds.push(ret);
+      available[modelName].unpopulatedValues.push(unpopulatedValue);
+      if (data.hasMatchFunction) {
+        available[modelName].match.push(data.match);
+      }
+    }
+  }
+}
+
+function _getModelFromConn(conn, modelName) {
+  /* If this connection has a parent from `useDb()`, bubble up to parent's models */
+  if (conn.models[modelName] == null && conn._parent != null) {
+    return _getModelFromConn(conn._parent, modelName);
+  }
+
+  return conn.model(modelName);
+}
+
+/*!
+ * ignore
+ */
+
+function handleRefFunction(ref, doc) {
+  if (typeof ref === 'function' && !ref[modelSymbol]) {
+    return ref.call(doc, doc);
+  }
+  return ref;
+}
+
+/*!
+ * ignore
+ */
+
+function _getLocalFieldValues(doc, localField, model, options, virtual, schema) {
+  // Get Local fields
+  const localFieldPathType = model.schema._getPathType(localField);
+  const localFieldPath = localFieldPathType === 'real' ?
+    model.schema.path(localField) :
+    localFieldPathType.schema;
+  const localFieldGetters = localFieldPath && localFieldPath.getters ?
+    localFieldPath.getters : [];
+
+  localField = localFieldPath != null && localFieldPath.instance === 'Embedded' ? localField + '._id' : localField;
+
+  const _populateOptions = get(options, 'options', {});
+
+  const getters = 'getters' in _populateOptions ?
+    _populateOptions.getters :
+    get(virtual, 'options.getters', false);
+  if (localFieldGetters.length !== 0 && getters) {
+    const hydratedDoc = (doc.$__ != null) ? doc : model.hydrate(doc);
+    const localFieldValue = utils.getValue(localField, doc);
+    if (Array.isArray(localFieldValue)) {
+      const localFieldHydratedValue = utils.getValue(localField.split('.').slice(0, -1), hydratedDoc);
+      return localFieldValue.map((localFieldArrVal, localFieldArrIndex) =>
+        localFieldPath.applyGetters(localFieldArrVal, localFieldHydratedValue[localFieldArrIndex]));
+    } else {
+      return localFieldPath.applyGetters(localFieldValue, hydratedDoc);
+    }
+  } else {
+    return convertTo_id(mpath.get(localField, doc, lookupLocalFields), schema);
+  }
+}
+
+/**
+ * Retrieve the _id of `val` if a Document or Array of Documents.
+ *
+ * @param {Array|Document|Any} val
+ * @param {Schema} schema
+ * @return {Array|Document|Any}
+ * @api private
+ */
+
+function convertTo_id(val, schema) {
+  if (val != null && val.$__ != null) {
+    return val._id;
+  }
+  if (val != null && val._id != null && (schema == null || !schema.$isSchemaMap)) {
+    return val._id;
+  }
+
+  if (Array.isArray(val)) {
+    const rawVal = val.__array != null ? val.__array : val;
+    for (let i = 0; i < rawVal.length; ++i) {
+      if (rawVal[i] != null && rawVal[i].$__ != null) {
+        rawVal[i] = rawVal[i]._id;
+      }
+    }
+    if (utils.isMongooseArray(val) && val.$schema()) {
+      return val.$schema()._castForPopulate(val, val.$parent());
+    }
+
+    return [].concat(val);
+  }
+
+  // `populate('map')` may be an object if populating on a doc that hasn't
+  // been hydrated yet
+  if (getConstructorName(val) === 'Object' &&
+      // The intent here is we should only flatten the object if we expect
+      // to get a Map in the end. Avoid doing this for mixed types.
+      (schema == null || schema[schemaMixedSymbol] == null)) {
+    const ret = [];
+    for (const key of Object.keys(val)) {
+      ret.push(val[key]);
+    }
+    return ret;
+  }
+  // If doc has already been hydrated, e.g. `doc.populate('map')`
+  // then `val` will already be a map
+  if (val instanceof Map) {
+    return Array.from(val.values());
+  }
+
+  return val;
+}
+
+/*!
+ * ignore
+ */
+
+function _findRefPathForDiscriminators(doc, modelSchema, data, options, normalizedRefPath, ret) {
+  // Re: gh-8452. Embedded discriminators may not have `refPath`, so clear
+  // out embedded discriminator docs that don't have a `refPath` on the
+  // populated path.
+  if (!data.isRefPath || normalizedRefPath == null) {
+    return;
+  }
+
+  const pieces = normalizedRefPath.split('.');
+  let cur = '';
+  let modelNames = void 0;
+  for (let i = 0; i < pieces.length; ++i) {
+    const piece = pieces[i];
+    cur = cur + (cur.length === 0 ? '' : '.') + piece;
+    const schematype = modelSchema.path(cur);
+    if (schematype != null &&
+        schematype.$isMongooseArray &&
+        schematype.caster.discriminators != null &&
+        Object.keys(schematype.caster.discriminators).length !== 0) {
+      const subdocs = utils.getValue(cur, doc);
+      const remnant = options.path.substring(cur.length + 1);
+      const discriminatorKey = schematype.caster.schema.options.discriminatorKey;
+      modelNames = [];
+      for (const subdoc of subdocs) {
+        const discriminatorName = utils.getValue(discriminatorKey, subdoc);
+        const discriminator = schematype.caster.discriminators[discriminatorName];
+        const discriminatorSchema = discriminator && discriminator.schema;
+        if (discriminatorSchema == null) {
+          continue;
+        }
+        const _path = discriminatorSchema.path(remnant);
+        if (_path == null || _path.options.refPath == null) {
+          const docValue = utils.getValue(data.localField.substring(cur.length + 1), subdoc);
+          ret.forEach((v, i) => {
+            if (v === docValue) {
+              ret[i] = SkipPopulateValue(v);
+            }
+          });
+          continue;
+        }
+        const modelName = utils.getValue(pieces.slice(i + 1).join('.'), subdoc);
+        modelNames.push(modelName);
+      }
+    }
+  }
+
+  return modelNames;
+}
diff --git a/node_modules/mongoose/lib/helpers/populate/getSchemaTypes.js b/node_modules/mongoose/lib/helpers/populate/getSchemaTypes.js
new file mode 100644
index 000000000..177e78893
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/populate/getSchemaTypes.js
@@ -0,0 +1,231 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+const Mixed = require('../../schema/mixed');
+const get = require('../get');
+const getDiscriminatorByValue = require('../discriminator/getDiscriminatorByValue');
+const leanPopulateMap = require('./leanPopulateMap');
+const mpath = require('mpath');
+
+const populateModelSymbol = require('../symbols').populateModelSymbol;
+
+/**
+ * Given a model and its schema, find all possible schema types for `path`,
+ * including searching through discriminators. If `doc` is specified, will
+ * use the doc's values for discriminator keys when searching, otherwise
+ * will search all discriminators.
+ *
+ * @param {Model} model
+ * @param {Schema} schema
+ * @param {Object} doc POJO
+ * @param {string} path
+ * @api private
+ */
+
+module.exports = function getSchemaTypes(model, schema, doc, path) {
+  const pathschema = schema.path(path);
+  const topLevelDoc = doc;
+  if (pathschema) {
+    return pathschema;
+  }
+
+  const discriminatorKey = schema.discriminatorMapping &&
+    schema.discriminatorMapping.key;
+  if (discriminatorKey && model != null) {
+    if (doc != null && doc[discriminatorKey] != null) {
+      const discriminator = getDiscriminatorByValue(model.discriminators, doc[discriminatorKey]);
+      schema = discriminator ? discriminator.schema : schema;
+    } else if (model.discriminators != null) {
+      return Object.keys(model.discriminators).reduce((arr, name) => {
+        const disc = model.discriminators[name];
+        return arr.concat(getSchemaTypes(disc, disc.schema, null, path));
+      }, []);
+    }
+  }
+
+  function search(parts, schema, subdoc, nestedPath) {
+    let p = parts.length + 1;
+    let foundschema;
+    let trypath;
+
+    while (p--) {
+      trypath = parts.slice(0, p).join('.');
+      foundschema = schema.path(trypath);
+      if (foundschema == null) {
+        continue;
+      }
+
+      if (foundschema.caster) {
+        // array of Mixed?
+        if (foundschema.caster instanceof Mixed) {
+          return foundschema.caster;
+        }
+
+        let schemas = null;
+        if (foundschema.schema != null && foundschema.schema.discriminators != null) {
+          const discriminators = foundschema.schema.discriminators;
+          const discriminatorKeyPath = trypath + '.' +
+            foundschema.schema.options.discriminatorKey;
+          const keys = subdoc ? mpath.get(discriminatorKeyPath, subdoc) || [] : [];
+          schemas = Object.keys(discriminators).
+            reduce(function(cur, discriminator) {
+              const tiedValue = discriminators[discriminator].discriminatorMapping.value;
+              if (doc == null || keys.indexOf(discriminator) !== -1 || keys.indexOf(tiedValue) !== -1) {
+                cur.push(discriminators[discriminator]);
+              }
+              return cur;
+            }, []);
+        }
+
+        // Now that we found the array, we need to check if there
+        // are remaining document paths to look up for casting.
+        // Also we need to handle array.$.path since schema.path
+        // doesn't work for that.
+        // If there is no foundschema.schema we are dealing with
+        // a path like array.$
+        if (p !== parts.length && foundschema.schema) {
+          let ret;
+          if (parts[p] === '$') {
+            if (p + 1 === parts.length) {
+              // comments.$
+              return foundschema;
+            }
+            // comments.$.comments.$.title
+            ret = search(
+              parts.slice(p + 1),
+              schema,
+              subdoc ? mpath.get(trypath, subdoc) : null,
+              nestedPath.concat(parts.slice(0, p))
+            );
+            if (ret) {
+              ret.$isUnderneathDocArray = ret.$isUnderneathDocArray ||
+                !foundschema.schema.$isSingleNested;
+            }
+            return ret;
+          }
+
+          if (schemas != null && schemas.length > 0) {
+            ret = [];
+            for (const schema of schemas) {
+              const _ret = search(
+                parts.slice(p),
+                schema,
+                subdoc ? mpath.get(trypath, subdoc) : null,
+                nestedPath.concat(parts.slice(0, p))
+              );
+              if (_ret != null) {
+                _ret.$isUnderneathDocArray = _ret.$isUnderneathDocArray ||
+                  !foundschema.schema.$isSingleNested;
+                if (_ret.$isUnderneathDocArray) {
+                  ret.$isUnderneathDocArray = true;
+                }
+                ret.push(_ret);
+              }
+            }
+            return ret;
+          } else {
+            ret = search(
+              parts.slice(p),
+              foundschema.schema,
+              subdoc ? mpath.get(trypath, subdoc) : null,
+              nestedPath.concat(parts.slice(0, p))
+            );
+
+            if (ret) {
+              ret.$isUnderneathDocArray = ret.$isUnderneathDocArray ||
+                !foundschema.schema.$isSingleNested;
+            }
+            return ret;
+          }
+        } else if (p !== parts.length &&
+            foundschema.$isMongooseArray &&
+            foundschema.casterConstructor.$isMongooseArray) {
+          // Nested arrays. Drill down to the bottom of the nested array.
+          let type = foundschema;
+          while (type.$isMongooseArray && !type.$isMongooseDocumentArray) {
+            type = type.casterConstructor;
+          }
+
+          const ret = search(
+            parts.slice(p),
+            type.schema,
+            null,
+            nestedPath.concat(parts.slice(0, p))
+          );
+          if (ret != null) {
+            return ret;
+          }
+
+          if (type.schema.discriminators) {
+            const discriminatorPaths = [];
+            for (const discriminatorName of Object.keys(type.schema.discriminators)) {
+              const _schema = type.schema.discriminators[discriminatorName] || type.schema;
+              const ret = search(parts.slice(p), _schema, null, nestedPath.concat(parts.slice(0, p)));
+              if (ret != null) {
+                discriminatorPaths.push(ret);
+              }
+            }
+            if (discriminatorPaths.length > 0) {
+              return discriminatorPaths;
+            }
+          }
+        }
+      }
+
+      const fullPath = nestedPath.concat([trypath]).join('.');
+      if (topLevelDoc != null && topLevelDoc.$__ && topLevelDoc.$populated(fullPath) && p < parts.length) {
+        const model = doc.$__.populated[fullPath].options[populateModelSymbol];
+        if (model != null) {
+          const ret = search(
+            parts.slice(p),
+            model.schema,
+            subdoc ? mpath.get(trypath, subdoc) : null,
+            nestedPath.concat(parts.slice(0, p))
+          );
+
+          if (ret) {
+            ret.$isUnderneathDocArray = ret.$isUnderneathDocArray ||
+              !model.schema.$isSingleNested;
+          }
+          return ret;
+        }
+      }
+
+      const _val = get(topLevelDoc, trypath);
+      if (_val != null) {
+        const model = Array.isArray(_val) && _val.length > 0 ?
+          leanPopulateMap.get(_val[0]) :
+          leanPopulateMap.get(_val);
+        // Populated using lean, `leanPopulateMap` value is the foreign model
+        const schema = model != null ? model.schema : null;
+        if (schema != null) {
+          const ret = search(
+            parts.slice(p),
+            schema,
+            subdoc ? mpath.get(trypath, subdoc) : null,
+            nestedPath.concat(parts.slice(0, p))
+          );
+
+          if (ret != null) {
+            ret.$isUnderneathDocArray = ret.$isUnderneathDocArray ||
+              !schema.$isSingleNested;
+            return ret;
+          }
+        }
+      }
+      return foundschema;
+    }
+  }
+  // look for arrays
+  const parts = path.split('.');
+  for (let i = 0; i < parts.length; ++i) {
+    if (parts[i] === '$') {
+      // Re: gh-5628, because `schema.path()` doesn't take $ into account.
+      parts[i] = '0';
+    }
+  }
+  return search(parts, schema, doc, []);
+};
diff --git a/node_modules/mongoose/lib/helpers/populate/getVirtual.js b/node_modules/mongoose/lib/helpers/populate/getVirtual.js
new file mode 100644
index 000000000..fc1641d40
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/populate/getVirtual.js
@@ -0,0 +1,72 @@
+'use strict';
+
+module.exports = getVirtual;
+
+/*!
+ * ignore
+ */
+
+function getVirtual(schema, name) {
+  if (schema.virtuals[name]) {
+    return { virtual: schema.virtuals[name], path: void 0 };
+  }
+
+  const parts = name.split('.');
+  let cur = '';
+  let nestedSchemaPath = '';
+  for (let i = 0; i < parts.length; ++i) {
+    cur += (cur.length > 0 ? '.' : '') + parts[i];
+    if (schema.virtuals[cur]) {
+      if (i === parts.length - 1) {
+        return { virtual: schema.virtuals[cur], path: nestedSchemaPath };
+      }
+      continue;
+    }
+
+    if (schema.nested[cur]) {
+      continue;
+    }
+
+    if (schema.paths[cur] && schema.paths[cur].schema) {
+      schema = schema.paths[cur].schema;
+      const rest = parts.slice(i + 1).join('.');
+
+      if (schema.virtuals[rest]) {
+        if (i === parts.length - 2) {
+          return {
+            virtual: schema.virtuals[rest],
+            nestedSchemaPath: [nestedSchemaPath, cur].filter(v => !!v).join('.')
+          };
+        }
+        continue;
+      }
+
+      if (i + 1 < parts.length && schema.discriminators) {
+        for (const key of Object.keys(schema.discriminators)) {
+          const res = getVirtual(schema.discriminators[key], rest);
+          if (res != null) {
+            const _path = [nestedSchemaPath, cur, res.nestedSchemaPath].
+              filter(v => !!v).join('.');
+            return {
+              virtual: res.virtual,
+              nestedSchemaPath: _path
+            };
+          }
+        }
+      }
+
+      nestedSchemaPath += (nestedSchemaPath.length > 0 ? '.' : '') + cur;
+      cur = '';
+      continue;
+    }
+
+    if (schema.discriminators) {
+      for (const discriminatorKey of Object.keys(schema.discriminators)) {
+        const virtualFromDiscriminator = getVirtual(schema.discriminators[discriminatorKey], name);
+        if (virtualFromDiscriminator) return virtualFromDiscriminator;
+      }
+    }
+
+    return null;
+  }
+}
diff --git a/node_modules/mongoose/lib/helpers/populate/leanPopulateMap.js b/node_modules/mongoose/lib/helpers/populate/leanPopulateMap.js
new file mode 100644
index 000000000..9ff9b1357
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/populate/leanPopulateMap.js
@@ -0,0 +1,7 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+module.exports = new WeakMap();
diff --git a/node_modules/mongoose/lib/helpers/populate/lookupLocalFields.js b/node_modules/mongoose/lib/helpers/populate/lookupLocalFields.js
new file mode 100644
index 000000000..b85d8d757
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/populate/lookupLocalFields.js
@@ -0,0 +1,40 @@
+'use strict';
+
+module.exports = function lookupLocalFields(cur, path, val) {
+  if (cur == null) {
+    return cur;
+  }
+
+  if (cur._doc != null) {
+    cur = cur._doc;
+  }
+
+  if (arguments.length >= 3) {
+    if (typeof cur !== 'object') {
+      return void 0;
+    }
+    if (val === void 0) {
+      return void 0;
+    }
+    if (cur instanceof Map) {
+      cur.set(path, val);
+    } else {
+      cur[path] = val;
+    }
+    return val;
+  }
+
+
+  // Support populating paths under maps using `map.$*.subpath`
+  if (path === '$*') {
+    return cur instanceof Map ?
+      Array.from(cur.values()) :
+      Object.keys(cur).map(key => cur[key]);
+  }
+
+  if (cur instanceof Map) {
+    return cur.get(path);
+  }
+
+  return cur[path];
+};
diff --git a/node_modules/mongoose/lib/helpers/populate/markArraySubdocsPopulated.js b/node_modules/mongoose/lib/helpers/populate/markArraySubdocsPopulated.js
new file mode 100644
index 000000000..28b19a198
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/populate/markArraySubdocsPopulated.js
@@ -0,0 +1,47 @@
+'use strict';
+
+const utils = require('../../utils');
+
+/**
+ * If populating a path within a document array, make sure each
+ * subdoc within the array knows its subpaths are populated.
+ *
+ * #### Example:
+ *
+ *     const doc = await Article.findOne().populate('comments.author');
+ *     doc.comments[0].populated('author'); // Should be set
+ *
+ * @param {Document} doc
+ * @param {Object} [populated]
+ * @api private
+ */
+
+module.exports = function markArraySubdocsPopulated(doc, populated) {
+  if (doc._id == null || populated == null || populated.length === 0) {
+    return;
+  }
+
+  const id = String(doc._id);
+  for (const item of populated) {
+    if (item.isVirtual) {
+      continue;
+    }
+    const path = item.path;
+    const pieces = path.split('.');
+    for (let i = 0; i < pieces.length - 1; ++i) {
+      const subpath = pieces.slice(0, i + 1).join('.');
+      const rest = pieces.slice(i + 1).join('.');
+      const val = doc.get(subpath);
+      if (val == null) {
+        continue;
+      }
+
+      if (utils.isMongooseDocumentArray(val)) {
+        for (let j = 0; j < val.length; ++j) {
+          val[j].populated(rest, item._docs[id] == null ? void 0 : item._docs[id][j], item);
+        }
+        break;
+      }
+    }
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/populate/modelNamesFromRefPath.js b/node_modules/mongoose/lib/helpers/populate/modelNamesFromRefPath.js
new file mode 100644
index 000000000..df643b234
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/populate/modelNamesFromRefPath.js
@@ -0,0 +1,68 @@
+'use strict';
+
+const MongooseError = require('../../error/mongooseError');
+const isPathExcluded = require('../projection/isPathExcluded');
+const lookupLocalFields = require('./lookupLocalFields');
+const mpath = require('mpath');
+const util = require('util');
+const utils = require('../../utils');
+
+const hasNumericPropRE = /(\.\d+$|\.\d+\.)/g;
+
+module.exports = function modelNamesFromRefPath(refPath, doc, populatedPath, modelSchema, queryProjection) {
+  if (refPath == null) {
+    return [];
+  }
+
+  if (typeof refPath === 'string' && queryProjection != null && isPathExcluded(queryProjection, refPath)) {
+    throw new MongooseError('refPath `' + refPath + '` must not be excluded in projection, got ' +
+      util.inspect(queryProjection));
+  }
+
+  // If populated path has numerics, the end `refPath` should too. For example,
+  // if populating `a.0.b` instead of `a.b` and `b` has `refPath = a.c`, we
+  // should return `a.0.c` for the refPath.
+
+  if (hasNumericPropRE.test(populatedPath)) {
+    const chunks = populatedPath.split(hasNumericPropRE);
+
+    if (chunks[chunks.length - 1] === '') {
+      throw new Error('Can\'t populate individual element in an array');
+    }
+
+    let _refPath = '';
+    let _remaining = refPath;
+    // 2nd, 4th, etc. will be numeric props. For example: `[ 'a', '.0.', 'b' ]`
+    for (let i = 0; i < chunks.length; i += 2) {
+      const chunk = chunks[i];
+      if (_remaining.startsWith(chunk + '.')) {
+        _refPath += _remaining.substring(0, chunk.length) + chunks[i + 1];
+        _remaining = _remaining.substring(chunk.length + 1);
+      } else if (i === chunks.length - 1) {
+        _refPath += _remaining;
+        _remaining = '';
+        break;
+      } else {
+        throw new Error('Could not normalize ref path, chunk ' + chunk + ' not in populated path');
+      }
+    }
+
+    const refValue = mpath.get(_refPath, doc, lookupLocalFields);
+    let modelNames = Array.isArray(refValue) ? refValue : [refValue];
+    modelNames = utils.array.flatten(modelNames);
+    return modelNames;
+  }
+
+  const refValue = mpath.get(refPath, doc, lookupLocalFields);
+
+  let modelNames;
+  if (modelSchema != null && modelSchema.virtuals.hasOwnProperty(refPath)) {
+    modelNames = [modelSchema.virtuals[refPath].applyGetters(void 0, doc)];
+  } else {
+    modelNames = Array.isArray(refValue) ? refValue : [refValue];
+  }
+
+  modelNames = utils.array.flatten(modelNames);
+
+  return modelNames;
+};
diff --git a/node_modules/mongoose/lib/helpers/populate/removeDeselectedForeignField.js b/node_modules/mongoose/lib/helpers/populate/removeDeselectedForeignField.js
new file mode 100644
index 000000000..a86e6e3e9
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/populate/removeDeselectedForeignField.js
@@ -0,0 +1,31 @@
+'use strict';
+
+const get = require('../get');
+const mpath = require('mpath');
+const parseProjection = require('../projection/parseProjection');
+
+/*!
+ * ignore
+ */
+
+module.exports = function removeDeselectedForeignField(foreignFields, options, docs) {
+  const projection = parseProjection(get(options, 'select', null), true) ||
+    parseProjection(get(options, 'options.select', null), true);
+
+  if (projection == null) {
+    return;
+  }
+  for (const foreignField of foreignFields) {
+    if (!projection.hasOwnProperty('-' + foreignField)) {
+      continue;
+    }
+
+    for (const val of docs) {
+      if (val.$__ != null) {
+        mpath.unset(foreignField, val._doc);
+      } else {
+        mpath.unset(foreignField, val);
+      }
+    }
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/populate/validateRef.js b/node_modules/mongoose/lib/helpers/populate/validateRef.js
new file mode 100644
index 000000000..2b58e166c
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/populate/validateRef.js
@@ -0,0 +1,19 @@
+'use strict';
+
+const MongooseError = require('../../error/mongooseError');
+const util = require('util');
+
+module.exports = validateRef;
+
+function validateRef(ref, path) {
+  if (typeof ref === 'string') {
+    return;
+  }
+
+  if (typeof ref === 'function') {
+    return;
+  }
+
+  throw new MongooseError('Invalid ref at path "' + path + '". Got ' +
+    util.inspect(ref, { depth: 0 }));
+}
diff --git a/node_modules/mongoose/lib/helpers/printJestWarning.js b/node_modules/mongoose/lib/helpers/printJestWarning.js
new file mode 100644
index 000000000..7cef461ad
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/printJestWarning.js
@@ -0,0 +1,17 @@
+'use strict';
+
+const utils = require('../utils');
+
+if (typeof jest !== 'undefined' && typeof window !== 'undefined') {
+  utils.warn('Mongoose: looks like you\'re trying to test a Mongoose app ' +
+    'with Jest\'s default jsdom test environment. Please make sure you read ' +
+    'Mongoose\'s docs on configuring Jest to test Node.js apps: ' +
+    'https://mongoosejs.com/docs/jest.html');
+}
+
+if (typeof jest !== 'undefined' && process.nextTick.toString().indexOf('nextTick') === -1) {
+  utils.warn('Mongoose: looks like you\'re trying to test a Mongoose app ' +
+    'with Jest\'s mock timers enabled. Please make sure you read ' +
+    'Mongoose\'s docs on configuring Jest to test Node.js apps: ' +
+    'https://mongoosejs.com/docs/jest.html');
+}
diff --git a/node_modules/mongoose/lib/helpers/processConnectionOptions.js b/node_modules/mongoose/lib/helpers/processConnectionOptions.js
new file mode 100644
index 000000000..a9d862b10
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/processConnectionOptions.js
@@ -0,0 +1,64 @@
+'use strict';
+
+const clone = require('./clone');
+const MongooseError = require('../error/index');
+
+function processConnectionOptions(uri, options) {
+  const opts = options ? options : {};
+  const readPreference = opts.readPreference
+    ? opts.readPreference
+    : getUriReadPreference(uri);
+
+  const resolvedOpts = (readPreference && readPreference !== 'primary' && readPreference !== 'primaryPreferred')
+    ? resolveOptsConflicts(readPreference, opts)
+    : opts;
+
+  return clone(resolvedOpts);
+}
+
+function resolveOptsConflicts(pref, opts) {
+  // don't silently override user-provided indexing options
+  if (setsIndexOptions(opts) && setsSecondaryRead(pref)) {
+    throwReadPreferenceError();
+  }
+
+  // if user has not explicitly set any auto-indexing options,
+  // we can silently default them all to false
+  else {
+    return defaultIndexOptsToFalse(opts);
+  }
+}
+
+function setsIndexOptions(opts) {
+  const configIdx = opts.config && opts.config.autoIndex;
+  const { autoCreate, autoIndex } = opts;
+  return !!(configIdx || autoCreate || autoIndex);
+}
+
+function setsSecondaryRead(prefString) {
+  return !!(prefString === 'secondary' || prefString === 'secondaryPreferred');
+}
+
+function getUriReadPreference(connectionString) {
+  const exp = /(?:&|\?)readPreference=(\w+)(?:&|$)/;
+  const match = exp.exec(connectionString);
+  return match ? match[1] : null;
+}
+
+function defaultIndexOptsToFalse(opts) {
+  opts.config = { autoIndex: false };
+  opts.autoCreate = false;
+  opts.autoIndex = false;
+  return opts;
+}
+
+function throwReadPreferenceError() {
+  throw new MongooseError(
+    'MongoDB prohibits index creation on connections that read from ' +
+            'non-primary replicas.  Connections that set "readPreference" to "secondary" or ' +
+            '"secondaryPreferred" may not opt-in to the following connection options: ' +
+            'autoCreate, autoIndex'
+  );
+}
+
+module.exports = processConnectionOptions;
diff --git a/node_modules/mongoose/lib/helpers/projection/applyProjection.js b/node_modules/mongoose/lib/helpers/projection/applyProjection.js
new file mode 100644
index 000000000..1552e07e6
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/projection/applyProjection.js
@@ -0,0 +1,77 @@
+'use strict';
+
+const hasIncludedChildren = require('./hasIncludedChildren');
+const isExclusive = require('./isExclusive');
+const isInclusive = require('./isInclusive');
+const isPOJO = require('../../utils').isPOJO;
+
+module.exports = function applyProjection(doc, projection, _hasIncludedChildren) {
+  if (projection == null) {
+    return doc;
+  }
+  if (doc == null) {
+    return doc;
+  }
+
+  let exclude = null;
+  if (isInclusive(projection)) {
+    exclude = false;
+  } else if (isExclusive(projection)) {
+    exclude = true;
+  }
+
+  if (exclude == null) {
+    return doc;
+  } else if (exclude) {
+    _hasIncludedChildren = _hasIncludedChildren || hasIncludedChildren(projection);
+    return applyExclusiveProjection(doc, projection, _hasIncludedChildren);
+  } else {
+    _hasIncludedChildren = _hasIncludedChildren || hasIncludedChildren(projection);
+    return applyInclusiveProjection(doc, projection, _hasIncludedChildren);
+  }
+};
+
+function applyExclusiveProjection(doc, projection, hasIncludedChildren, projectionLimb, prefix) {
+  if (doc == null || typeof doc !== 'object') {
+    return doc;
+  }
+  const ret = { ...doc };
+  projectionLimb = prefix ? (projectionLimb || {}) : projection;
+
+  for (const key of Object.keys(ret)) {
+    const fullPath = prefix ? prefix + '.' + key : key;
+    if (projection.hasOwnProperty(fullPath) || projectionLimb.hasOwnProperty(key)) {
+      if (isPOJO(projection[fullPath]) || isPOJO(projectionLimb[key])) {
+        ret[key] = applyExclusiveProjection(ret[key], projection, hasIncludedChildren, projectionLimb[key], fullPath);
+      } else {
+        delete ret[key];
+      }
+    } else if (hasIncludedChildren[fullPath]) {
+      ret[key] = applyExclusiveProjection(ret[key], projection, hasIncludedChildren, projectionLimb[key], fullPath);
+    }
+  }
+  return ret;
+}
+
+function applyInclusiveProjection(doc, projection, hasIncludedChildren, projectionLimb, prefix) {
+  if (doc == null || typeof doc !== 'object') {
+    return doc;
+  }
+  const ret = { ...doc };
+  projectionLimb = prefix ? (projectionLimb || {}) : projection;
+
+  for (const key of Object.keys(ret)) {
+    const fullPath = prefix ? prefix + '.' + key : key;
+    if (projection.hasOwnProperty(fullPath) || projectionLimb.hasOwnProperty(key)) {
+      if (isPOJO(projection[fullPath]) || isPOJO(projectionLimb[key])) {
+        ret[key] = applyInclusiveProjection(ret[key], projection, hasIncludedChildren, projectionLimb[key], fullPath);
+      }
+      continue;
+    } else if (hasIncludedChildren[fullPath]) {
+      ret[key] = applyInclusiveProjection(ret[key], projection, hasIncludedChildren, projectionLimb[key], fullPath);
+    } else {
+      delete ret[key];
+    }
+  }
+  return ret;
+}
diff --git a/node_modules/mongoose/lib/helpers/projection/hasIncludedChildren.js b/node_modules/mongoose/lib/helpers/projection/hasIncludedChildren.js
new file mode 100644
index 000000000..d757b2c67
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/projection/hasIncludedChildren.js
@@ -0,0 +1,40 @@
+'use strict';
+
+/**
+ * Creates an object that precomputes whether a given path has child fields in
+ * the projection.
+ *
+ * #### Example:
+ *
+ *     const res = hasIncludedChildren({ 'a.b.c': 0 });
+ *     res.a; // 1
+ *     res['a.b']; // 1
+ *     res['a.b.c']; // 1
+ *     res['a.c']; // undefined
+ *
+ * @param {Object} fields
+ * @api private
+ */
+
+module.exports = function hasIncludedChildren(fields) {
+  const hasIncludedChildren = {};
+  const keys = Object.keys(fields);
+
+  for (const key of keys) {
+    if (key.indexOf('.') === -1) {
+      hasIncludedChildren[key] = 1;
+      continue;
+    }
+    const parts = key.split('.');
+    let c = parts[0];
+
+    for (let i = 0; i < parts.length; ++i) {
+      hasIncludedChildren[c] = 1;
+      if (i + 1 < parts.length) {
+        c = c + '.' + parts[i + 1];
+      }
+    }
+  }
+
+  return hasIncludedChildren;
+};
diff --git a/node_modules/mongoose/lib/helpers/projection/isDefiningProjection.js b/node_modules/mongoose/lib/helpers/projection/isDefiningProjection.js
new file mode 100644
index 000000000..67dfb39fc
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/projection/isDefiningProjection.js
@@ -0,0 +1,18 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+module.exports = function isDefiningProjection(val) {
+  if (val == null) {
+    // `undefined` or `null` become exclusive projections
+    return true;
+  }
+  if (typeof val === 'object') {
+    // Only cases where a value does **not** define whether the whole projection
+    // is inclusive or exclusive are `$meta` and `$slice`.
+    return !('$meta' in val) && !('$slice' in val);
+  }
+  return true;
+};
diff --git a/node_modules/mongoose/lib/helpers/projection/isExclusive.js b/node_modules/mongoose/lib/helpers/projection/isExclusive.js
new file mode 100644
index 000000000..a232857d6
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/projection/isExclusive.js
@@ -0,0 +1,35 @@
+'use strict';
+
+const isDefiningProjection = require('./isDefiningProjection');
+
+/*!
+ * ignore
+ */
+
+module.exports = function isExclusive(projection) {
+  if (projection == null) {
+    return null;
+  }
+
+  const keys = Object.keys(projection);
+  let ki = keys.length;
+  let exclude = null;
+
+  if (ki === 1 && keys[0] === '_id') {
+    exclude = !projection._id;
+  } else {
+    while (ki--) {
+      // Does this projection explicitly define inclusion/exclusion?
+      // Explicitly avoid `$meta` and `$slice`
+      const key = keys[ki];
+      if (key !== '_id' && isDefiningProjection(projection[key])) {
+        exclude = (projection[key] != null && typeof projection[key] === 'object') ?
+          isExclusive(projection[key]) :
+          !projection[key];
+        break;
+      }
+    }
+  }
+
+  return exclude;
+};
diff --git a/node_modules/mongoose/lib/helpers/projection/isInclusive.js b/node_modules/mongoose/lib/helpers/projection/isInclusive.js
new file mode 100644
index 000000000..eebb412c4
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/projection/isInclusive.js
@@ -0,0 +1,38 @@
+'use strict';
+
+const isDefiningProjection = require('./isDefiningProjection');
+
+/*!
+ * ignore
+ */
+
+module.exports = function isInclusive(projection) {
+  if (projection == null) {
+    return false;
+  }
+
+  const props = Object.keys(projection);
+  const numProps = props.length;
+  if (numProps === 0) {
+    return false;
+  }
+
+  for (let i = 0; i < numProps; ++i) {
+    const prop = props[i];
+    // Plus paths can't define the projection (see gh-7050)
+    if (prop.startsWith('+')) {
+      continue;
+    }
+    // If field is truthy (1, true, etc.) and not an object, then this
+    // projection must be inclusive. If object, assume its $meta, $slice, etc.
+    if (isDefiningProjection(projection[prop]) && !!projection[prop]) {
+      if (projection[prop] != null && typeof projection[prop] === 'object') {
+        return isInclusive(projection[prop]);
+      } else {
+        return !!projection[prop];
+      }
+    }
+  }
+
+  return false;
+};
diff --git a/node_modules/mongoose/lib/helpers/projection/isPathExcluded.js b/node_modules/mongoose/lib/helpers/projection/isPathExcluded.js
new file mode 100644
index 000000000..e0424b523
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/projection/isPathExcluded.js
@@ -0,0 +1,36 @@
+'use strict';
+
+const isDefiningProjection = require('./isDefiningProjection');
+
+/**
+ * Determines if `path` is excluded by `projection`
+ *
+ * @param {Object} projection
+ * @param {String} path
+ * @return {Boolean}
+ * @api private
+ */
+
+module.exports = function isPathExcluded(projection, path) {
+  if (path === '_id') {
+    return projection._id === 0;
+  }
+
+  const paths = Object.keys(projection);
+  let type = null;
+
+  for (const _path of paths) {
+    if (isDefiningProjection(projection[_path])) {
+      type = projection[path] === 1 ? 'inclusive' : 'exclusive';
+      break;
+    }
+  }
+
+  if (type === 'inclusive') {
+    return projection[path] !== 1;
+  }
+  if (type === 'exclusive') {
+    return projection[path] === 0;
+  }
+  return false;
+};
diff --git a/node_modules/mongoose/lib/helpers/projection/isPathSelectedInclusive.js b/node_modules/mongoose/lib/helpers/projection/isPathSelectedInclusive.js
new file mode 100644
index 000000000..8a05fc948
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/projection/isPathSelectedInclusive.js
@@ -0,0 +1,28 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+module.exports = function isPathSelectedInclusive(fields, path) {
+  const chunks = path.split('.');
+  let cur = '';
+  let j;
+  let keys;
+  let numKeys;
+  for (let i = 0; i < chunks.length; ++i) {
+    cur += cur.length ? '.' : '' + chunks[i];
+    if (fields[cur]) {
+      keys = Object.keys(fields);
+      numKeys = keys.length;
+      for (j = 0; j < numKeys; ++j) {
+        if (keys[i].indexOf(cur + '.') === 0 && keys[i].indexOf(path) !== 0) {
+          continue;
+        }
+      }
+      return true;
+    }
+  }
+
+  return false;
+};
diff --git a/node_modules/mongoose/lib/helpers/projection/isSubpath.js b/node_modules/mongoose/lib/helpers/projection/isSubpath.js
new file mode 100644
index 000000000..bec82f83d
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/projection/isSubpath.js
@@ -0,0 +1,14 @@
+'use strict';
+
+/**
+ * Determines if `path2` is a subpath of or equal to `path1`
+ *
+ * @param {string} path1
+ * @param {string} path2
+ * @return {Boolean}
+ * @api private
+ */
+
+module.exports = function isSubpath(path1, path2) {
+  return path1 === path2 || path2.startsWith(path1 + '.');
+};
diff --git a/node_modules/mongoose/lib/helpers/projection/parseProjection.js b/node_modules/mongoose/lib/helpers/projection/parseProjection.js
new file mode 100644
index 000000000..479b52353
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/projection/parseProjection.js
@@ -0,0 +1,33 @@
+'use strict';
+
+/**
+ * Convert a string or array into a projection object, retaining all
+ * `-` and `+` paths.
+ */
+
+module.exports = function parseProjection(v, retainMinusPaths) {
+  const type = typeof v;
+
+  if (type === 'string') {
+    v = v.split(/\s+/);
+  }
+  if (!Array.isArray(v) && Object.prototype.toString.call(v) !== '[object Arguments]') {
+    return v;
+  }
+
+  const len = v.length;
+  const ret = {};
+  for (let i = 0; i < len; ++i) {
+    let field = v[i];
+    if (!field) {
+      continue;
+    }
+    const include = '-' == field[0] ? 0 : 1;
+    if (!retainMinusPaths && include === 0) {
+      field = field.substring(1);
+    }
+    ret[field] = include;
+  }
+
+  return ret;
+};
diff --git a/node_modules/mongoose/lib/helpers/promiseOrCallback.js b/node_modules/mongoose/lib/helpers/promiseOrCallback.js
new file mode 100644
index 000000000..4282a6ce4
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/promiseOrCallback.js
@@ -0,0 +1,55 @@
+'use strict';
+
+const PromiseProvider = require('../promise_provider');
+const immediate = require('./immediate');
+
+const emittedSymbol = Symbol('mongoose:emitted');
+
+module.exports = function promiseOrCallback(callback, fn, ee, Promise) {
+  if (typeof callback === 'function') {
+    try {
+      return fn(function(error) {
+        if (error != null) {
+          if (ee != null && ee.listeners != null && ee.listeners('error').length > 0 && !error[emittedSymbol]) {
+            error[emittedSymbol] = true;
+            ee.emit('error', error);
+          }
+          try {
+            callback(error);
+          } catch (error) {
+            return immediate(() => {
+              throw error;
+            });
+          }
+          return;
+        }
+        callback.apply(this, arguments);
+      });
+    } catch (error) {
+      if (ee != null && ee.listeners != null && ee.listeners('error').length > 0 && !error[emittedSymbol]) {
+        error[emittedSymbol] = true;
+        ee.emit('error', error);
+      }
+
+      return callback(error);
+    }
+  }
+
+  Promise = Promise || PromiseProvider.get();
+
+  return new Promise((resolve, reject) => {
+    fn(function(error, res) {
+      if (error != null) {
+        if (ee != null && ee.listeners != null && ee.listeners('error').length > 0 && !error[emittedSymbol]) {
+          error[emittedSymbol] = true;
+          ee.emit('error', error);
+        }
+        return reject(error);
+      }
+      if (arguments.length > 2) {
+        return resolve(Array.prototype.slice.call(arguments, 1));
+      }
+      resolve(res);
+    });
+  });
+};
diff --git a/node_modules/mongoose/lib/helpers/query/applyGlobalOption.js b/node_modules/mongoose/lib/helpers/query/applyGlobalOption.js
new file mode 100644
index 000000000..8888e368b
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/applyGlobalOption.js
@@ -0,0 +1,29 @@
+'use strict';
+
+const utils = require('../../utils');
+
+function applyGlobalMaxTimeMS(options, model) {
+  applyGlobalOption(options, model, 'maxTimeMS');
+}
+
+function applyGlobalDiskUse(options, model) {
+  applyGlobalOption(options, model, 'allowDiskUse');
+}
+
+module.exports = {
+  applyGlobalMaxTimeMS,
+  applyGlobalDiskUse
+};
+
+
+function applyGlobalOption(options, model, optionName) {
+  if (utils.hasUserDefinedProperty(options, optionName)) {
+    return;
+  }
+
+  if (utils.hasUserDefinedProperty(model.db.options, optionName)) {
+    options[optionName] = model.db.options[optionName];
+  } else if (utils.hasUserDefinedProperty(model.base.options, optionName)) {
+    options[optionName] = model.base.options[optionName];
+  }
+}
diff --git a/node_modules/mongoose/lib/helpers/query/applyQueryMiddleware.js b/node_modules/mongoose/lib/helpers/query/applyQueryMiddleware.js
new file mode 100644
index 000000000..692d69cee
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/applyQueryMiddleware.js
@@ -0,0 +1,79 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+module.exports = applyQueryMiddleware;
+
+const validOps = require('./validOps');
+
+/*!
+ * ignore
+ */
+
+applyQueryMiddleware.middlewareFunctions = validOps.concat([
+  'validate'
+]);
+
+/**
+ * Apply query middleware
+ *
+ * @param {Query} Query constructor
+ * @param {Model} model
+ * @api private
+ */
+
+function applyQueryMiddleware(Query, model) {
+  const kareemOptions = {
+    useErrorHandlers: true,
+    numCallbackParams: 1,
+    nullResultByDefault: true
+  };
+
+  const middleware = model.hooks.filter(hook => {
+    const contexts = _getContexts(hook);
+    if (hook.name === 'updateOne') {
+      return contexts.query == null || !!contexts.query;
+    }
+    if (hook.name === 'deleteOne') {
+      return !!contexts.query || Object.keys(contexts).length === 0;
+    }
+    if (hook.name === 'validate' || hook.name === 'remove') {
+      return !!contexts.query;
+    }
+    if (hook.query != null || hook.document != null) {
+      return !!hook.query;
+    }
+    return true;
+  });
+
+  // `update()` thunk has a different name because `_update` was already taken
+  Query.prototype._execUpdate = middleware.createWrapper('update',
+    Query.prototype._execUpdate, null, kareemOptions);
+  // `distinct()` thunk has a different name because `_distinct` was already taken
+  Query.prototype.__distinct = middleware.createWrapper('distinct',
+    Query.prototype.__distinct, null, kareemOptions);
+
+  // `validate()` doesn't have a thunk because it doesn't execute a query.
+  Query.prototype.validate = middleware.createWrapper('validate',
+    Query.prototype.validate, null, kareemOptions);
+
+  applyQueryMiddleware.middlewareFunctions.
+    filter(v => v !== 'update' && v !== 'distinct' && v !== 'validate').
+    forEach(fn => {
+      Query.prototype[`_${fn}`] = middleware.createWrapper(fn,
+        Query.prototype[`_${fn}`], null, kareemOptions);
+    });
+}
+
+function _getContexts(hook) {
+  const ret = {};
+  if (hook.hasOwnProperty('query')) {
+    ret.query = hook.query;
+  }
+  if (hook.hasOwnProperty('document')) {
+    ret.document = hook.document;
+  }
+  return ret;
+}
diff --git a/node_modules/mongoose/lib/helpers/query/cast$expr.js b/node_modules/mongoose/lib/helpers/query/cast$expr.js
new file mode 100644
index 000000000..f7c7fe052
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/cast$expr.js
@@ -0,0 +1,282 @@
+'use strict';
+
+const CastError = require('../../error/cast');
+const StrictModeError = require('../../error/strict');
+const castNumber = require('../../cast/number');
+
+const booleanComparison = new Set(['$and', '$or']);
+const comparisonOperator = new Set(['$cmp', '$eq', '$lt', '$lte', '$gt', '$gte']);
+const arithmeticOperatorArray = new Set([
+  // avoid casting '$add' or '$subtract', because expressions can be either number or date,
+  // and we don't have a good way of inferring which arguments should be numbers and which should
+  // be dates.
+  '$multiply',
+  '$divide',
+  '$log',
+  '$mod',
+  '$trunc',
+  '$avg',
+  '$max',
+  '$min',
+  '$stdDevPop',
+  '$stdDevSamp',
+  '$sum'
+]);
+const arithmeticOperatorNumber = new Set([
+  '$abs',
+  '$exp',
+  '$ceil',
+  '$floor',
+  '$ln',
+  '$log10',
+  '$round',
+  '$sqrt',
+  '$sin',
+  '$cos',
+  '$tan',
+  '$asin',
+  '$acos',
+  '$atan',
+  '$atan2',
+  '$asinh',
+  '$acosh',
+  '$atanh',
+  '$sinh',
+  '$cosh',
+  '$tanh',
+  '$degreesToRadians',
+  '$radiansToDegrees'
+]);
+const arrayElementOperators = new Set([
+  '$arrayElemAt',
+  '$first',
+  '$last'
+]);
+const dateOperators = new Set([
+  '$year',
+  '$month',
+  '$week',
+  '$dayOfMonth',
+  '$dayOfYear',
+  '$hour',
+  '$minute',
+  '$second',
+  '$isoDayOfWeek',
+  '$isoWeekYear',
+  '$isoWeek',
+  '$millisecond'
+]);
+const expressionOperator = new Set(['$not']);
+
+module.exports = function cast$expr(val, schema, strictQuery) {
+  if (typeof val !== 'object' || val === null) {
+    throw new Error('`$expr` must be an object');
+  }
+
+  return _castExpression(val, schema, strictQuery);
+};
+
+function _castExpression(val, schema, strictQuery) {
+  // Preserve the value if it represents a path or if it's null
+  if (isPath(val) || val === null) {
+    return val;
+  }
+
+  if (val.$cond != null) {
+    if (Array.isArray(val.$cond)) {
+      val.$cond = val.$cond.map(expr => _castExpression(expr, schema, strictQuery));
+    } else {
+      val.$cond.if = _castExpression(val.$cond.if, schema, strictQuery);
+      val.$cond.then = _castExpression(val.$cond.then, schema, strictQuery);
+      val.$cond.else = _castExpression(val.$cond.else, schema, strictQuery);
+    }
+  } else if (val.$ifNull != null) {
+    val.$ifNull.map(v => _castExpression(v, schema, strictQuery));
+  } else if (val.$switch != null) {
+    val.branches.map(v => _castExpression(v, schema, strictQuery));
+    val.default = _castExpression(val.default, schema, strictQuery);
+  }
+
+  const keys = Object.keys(val);
+  for (const key of keys) {
+    if (booleanComparison.has(key)) {
+      val[key] = val[key].map(v => _castExpression(v, schema, strictQuery));
+    } else if (comparisonOperator.has(key)) {
+      val[key] = castComparison(val[key], schema, strictQuery);
+    } else if (arithmeticOperatorArray.has(key)) {
+      val[key] = castArithmetic(val[key], schema, strictQuery);
+    } else if (arithmeticOperatorNumber.has(key)) {
+      val[key] = castNumberOperator(val[key], schema, strictQuery);
+    } else if (expressionOperator.has(key)) {
+      val[key] = _castExpression(val[key], schema, strictQuery);
+    }
+  }
+
+  if (val.$in) {
+    val.$in = castIn(val.$in, schema, strictQuery);
+  }
+  if (val.$size) {
+    val.$size = castNumberOperator(val.$size, schema, strictQuery);
+  }
+
+  _omitUndefined(val);
+
+  return val;
+}
+
+function _omitUndefined(val) {
+  const keys = Object.keys(val);
+  for (let i = 0, len = keys.length; i < len; ++i) {
+    (val[keys[i]] === void 0) && delete val[keys[i]];
+  }
+}
+
+// { $op: <number> }
+function castNumberOperator(val) {
+  if (!isLiteral(val)) {
+    return val;
+  }
+
+  try {
+    return castNumber(val);
+  } catch (err) {
+    throw new CastError('Number', val);
+  }
+}
+
+function castIn(val, schema, strictQuery) {
+  const path = val[1];
+  if (!isPath(path)) {
+    return val;
+  }
+  const search = val[0];
+
+  const schematype = schema.path(path.slice(1));
+  if (schematype === null) {
+    if (strictQuery === false) {
+      return val;
+    } else if (strictQuery === 'throw') {
+      throw new StrictModeError('$in');
+    }
+
+    return void 0;
+  }
+
+  if (!schematype.$isMongooseArray) {
+    throw new Error('Path must be an array for $in');
+  }
+
+  return [
+    schematype.$isMongooseDocumentArray ? schematype.$embeddedSchemaType.cast(search) : schematype.caster.cast(search),
+    path
+  ];
+}
+
+// { $op: [<number>, <number>] }
+function castArithmetic(val) {
+  if (!Array.isArray(val)) {
+    if (!isLiteral(val)) {
+      return val;
+    }
+    try {
+      return castNumber(val);
+    } catch (err) {
+      throw new CastError('Number', val);
+    }
+  }
+
+  return val.map(v => {
+    if (!isLiteral(v)) {
+      return v;
+    }
+    try {
+      return castNumber(v);
+    } catch (err) {
+      throw new CastError('Number', v);
+    }
+  });
+}
+
+// { $op: [expression, expression] }
+function castComparison(val, schema, strictQuery) {
+  if (!Array.isArray(val) || val.length !== 2) {
+    throw new Error('Comparison operator must be an array of length 2');
+  }
+
+  val[0] = _castExpression(val[0], schema, strictQuery);
+  const lhs = val[0];
+
+  if (isLiteral(val[1])) {
+    let path = null;
+    let schematype = null;
+    let caster = null;
+    if (isPath(lhs)) {
+      path = lhs.slice(1);
+      schematype = schema.path(path);
+    } else if (typeof lhs === 'object' && lhs != null) {
+      for (const key of Object.keys(lhs)) {
+        if (dateOperators.has(key) && isPath(lhs[key])) {
+          path = lhs[key].slice(1) + '.' + key;
+          caster = castNumber;
+        } else if (arrayElementOperators.has(key) && isPath(lhs[key])) {
+          path = lhs[key].slice(1) + '.' + key;
+          schematype = schema.path(lhs[key].slice(1));
+          if (schematype != null) {
+            if (schematype.$isMongooseDocumentArray) {
+              schematype = schematype.$embeddedSchemaType;
+            } else if (schematype.$isMongooseArray) {
+              schematype = schematype.caster;
+            }
+          }
+        }
+      }
+    }
+
+    const is$literal = typeof val[1] === 'object' && val[1] != null && val[1].$literal != null;
+    if (schematype != null) {
+      if (is$literal) {
+        val[1] = { $literal: schematype.cast(val[1].$literal) };
+      } else {
+        val[1] = schematype.cast(val[1]);
+      }
+    } else if (caster != null) {
+      if (is$literal) {
+        try {
+          val[1] = { $literal: caster(val[1].$literal) };
+        } catch (err) {
+          throw new CastError(caster.name.replace(/^cast/, ''), val[1], path + '.$literal');
+        }
+      } else {
+        try {
+          val[1] = caster(val[1]);
+        } catch (err) {
+          throw new CastError(caster.name.replace(/^cast/, ''), val[1], path);
+        }
+      }
+    } else if (path != null && strictQuery === true) {
+      return void 0;
+    } else if (path != null && strictQuery === 'throw') {
+      throw new StrictModeError(path);
+    }
+  } else {
+    val[1] = _castExpression(val[1]);
+  }
+
+  return val;
+}
+
+function isPath(val) {
+  return typeof val === 'string' && val[0] === '$';
+}
+
+function isLiteral(val) {
+  if (typeof val === 'string' && val[0] === '$') {
+    return false;
+  }
+  if (typeof val === 'object' && val !== null && Object.keys(val).find(key => key[0] === '$')) {
+    // The `$literal` expression can make an object a literal
+    // https://docs.mongodb.com/manual/reference/operator/aggregation/literal/#mongodb-expression-exp.-literal
+    return val.$literal != null;
+  }
+  return true;
+}
diff --git a/node_modules/mongoose/lib/helpers/query/castFilterPath.js b/node_modules/mongoose/lib/helpers/query/castFilterPath.js
new file mode 100644
index 000000000..8175145cb
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/castFilterPath.js
@@ -0,0 +1,54 @@
+'use strict';
+
+const isOperator = require('./isOperator');
+
+module.exports = function castFilterPath(query, schematype, val) {
+  const ctx = query;
+  const any$conditionals = Object.keys(val).some(isOperator);
+
+  if (!any$conditionals) {
+    return schematype.castForQueryWrapper({
+      val: val,
+      context: ctx
+    });
+  }
+
+  const ks = Object.keys(val);
+
+  let k = ks.length;
+
+  while (k--) {
+    const $cond = ks[k];
+    const nested = val[$cond];
+
+    if ($cond === '$not') {
+      if (nested && schematype && !schematype.caster) {
+        const _keys = Object.keys(nested);
+        if (_keys.length && isOperator(_keys[0])) {
+          for (const key of Object.keys(nested)) {
+            nested[key] = schematype.castForQueryWrapper({
+              $conditional: key,
+              val: nested[key],
+              context: ctx
+            });
+          }
+        } else {
+          val[$cond] = schematype.castForQueryWrapper({
+            $conditional: $cond,
+            val: nested,
+            context: ctx
+          });
+        }
+        continue;
+      }
+    } else {
+      val[$cond] = schematype.castForQueryWrapper({
+        $conditional: $cond,
+        val: nested,
+        context: ctx
+      });
+    }
+  }
+
+  return val;
+};
diff --git a/node_modules/mongoose/lib/helpers/query/castUpdate.js b/node_modules/mongoose/lib/helpers/query/castUpdate.js
new file mode 100644
index 000000000..998b452b6
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/castUpdate.js
@@ -0,0 +1,559 @@
+'use strict';
+
+const CastError = require('../../error/cast');
+const MongooseError = require('../../error/mongooseError');
+const StrictModeError = require('../../error/strict');
+const ValidationError = require('../../error/validation');
+const castNumber = require('../../cast/number');
+const cast = require('../../cast');
+const getConstructorName = require('../getConstructorName');
+const getEmbeddedDiscriminatorPath = require('./getEmbeddedDiscriminatorPath');
+const handleImmutable = require('./handleImmutable');
+const moveImmutableProperties = require('../update/moveImmutableProperties');
+const schemaMixedSymbol = require('../../schema/symbols').schemaMixedSymbol;
+const setDottedPath = require('../path/setDottedPath');
+const utils = require('../../utils');
+
+/**
+ * Casts an update op based on the given schema
+ *
+ * @param {Schema} schema
+ * @param {Object} obj
+ * @param {Object} [options]
+ * @param {Boolean} [options.overwrite] defaults to false
+ * @param {Boolean|String} [options.strict] defaults to true
+ * @param {Query} context passed to setters
+ * @return {Boolean} true iff the update is non-empty
+ * @api private
+ */
+module.exports = function castUpdate(schema, obj, options, context, filter) {
+  if (obj == null) {
+    return undefined;
+  }
+  options = options || {};
+  // Update pipeline
+  if (Array.isArray(obj)) {
+    const len = obj.length;
+    for (let i = 0; i < len; ++i) {
+      const ops = Object.keys(obj[i]);
+      for (const op of ops) {
+        obj[i][op] = castPipelineOperator(op, obj[i][op]);
+      }
+    }
+    return obj;
+  }
+
+  if (schema.options.strict === 'throw' && obj.hasOwnProperty(schema.options.discriminatorKey)) {
+    throw new StrictModeError(schema.options.discriminatorKey);
+  } else if (!options.overwriteDiscriminatorKey) {
+    delete obj[schema.options.discriminatorKey];
+  }
+  if (options.upsert && !options.overwrite) {
+    moveImmutableProperties(schema, obj, context);
+  }
+
+  const ops = Object.keys(obj);
+  let i = ops.length;
+  const ret = {};
+  let val;
+  let hasDollarKey = false;
+  const overwrite = options.overwrite;
+
+  filter = filter || {};
+  while (i--) {
+    const op = ops[i];
+    // if overwrite is set, don't do any of the special $set stuff
+    if (op[0] !== '$' && !overwrite) {
+      // fix up $set sugar
+      if (!ret.$set) {
+        if (obj.$set) {
+          ret.$set = obj.$set;
+        } else {
+          ret.$set = {};
+        }
+      }
+      ret.$set[op] = obj[op];
+      ops.splice(i, 1);
+      if (!~ops.indexOf('$set')) ops.push('$set');
+    } else if (op === '$set') {
+      if (!ret.$set) {
+        ret[op] = obj[op];
+      }
+    } else {
+      ret[op] = obj[op];
+    }
+  }
+  // cast each value
+  i = ops.length;
+  while (i--) {
+    const op = ops[i];
+    val = ret[op];
+    hasDollarKey = hasDollarKey || op.startsWith('$');
+
+    if (val &&
+        typeof val === 'object' &&
+        !Buffer.isBuffer(val) &&
+        (!overwrite || hasDollarKey)) {
+      walkUpdatePath(schema, val, op, options, context, filter);
+    } else if (overwrite && ret && typeof ret === 'object') {
+      walkUpdatePath(schema, ret, '$set', options, context, filter);
+    } else {
+      const msg = 'Invalid atomic update value for ' + op + '. '
+          + 'Expected an object, received ' + typeof val;
+      throw new Error(msg);
+    }
+
+    if (op.startsWith('$') && utils.isEmptyObject(val)) {
+      delete ret[op];
+    }
+  }
+
+  if (Object.keys(ret).length === 0 &&
+      options.upsert &&
+      Object.keys(filter).length > 0) {
+    // Trick the driver into allowing empty upserts to work around
+    // https://github.com/mongodb/node-mongodb-native/pull/2490
+    return { $setOnInsert: filter };
+  }
+  return ret;
+};
+
+/*!
+ * ignore
+ */
+
+function castPipelineOperator(op, val) {
+  if (op === '$unset') {
+    if (typeof val !== 'string' && (!Array.isArray(val) || val.find(v => typeof v !== 'string'))) {
+      throw new MongooseError('Invalid $unset in pipeline, must be ' +
+        ' a string or an array of strings');
+    }
+    return val;
+  }
+  if (op === '$project') {
+    if (val == null || typeof val !== 'object') {
+      throw new MongooseError('Invalid $project in pipeline, must be an object');
+    }
+    return val;
+  }
+  if (op === '$addFields' || op === '$set') {
+    if (val == null || typeof val !== 'object') {
+      throw new MongooseError('Invalid ' + op + ' in pipeline, must be an object');
+    }
+    return val;
+  } else if (op === '$replaceRoot' || op === '$replaceWith') {
+    if (val == null || typeof val !== 'object') {
+      throw new MongooseError('Invalid ' + op + ' in pipeline, must be an object');
+    }
+    return val;
+  }
+
+  throw new MongooseError('Invalid update pipeline operator: "' + op + '"');
+}
+
+/**
+ * Walk each path of obj and cast its values
+ * according to its schema.
+ *
+ * @param {Schema} schema
+ * @param {Object} obj part of a query
+ * @param {String} op the atomic operator ($pull, $set, etc)
+ * @param {Object} [options]
+ * @param {Boolean|String} [options.strict]
+ * @param {Query} context
+ * @param {Object} filter
+ * @param {String} pref path prefix (internal only)
+ * @return {Bool} true if this path has keys to update
+ * @api private
+ */
+
+function walkUpdatePath(schema, obj, op, options, context, filter, pref) {
+  const strict = options.strict;
+  const prefix = pref ? pref + '.' : '';
+  const keys = Object.keys(obj);
+  let i = keys.length;
+  let hasKeys = false;
+  let schematype;
+  let key;
+  let val;
+
+  let aggregatedError = null;
+
+  const strictMode = strict != null ? strict : schema.options.strict;
+
+  while (i--) {
+    key = keys[i];
+    val = obj[key];
+
+    // `$pull` is special because we need to cast the RHS as a query, not as
+    // an update.
+    if (op === '$pull') {
+      schematype = schema._getSchema(prefix + key);
+      if (schematype != null && schematype.schema != null) {
+        obj[key] = cast(schematype.schema, obj[key], options, context);
+        hasKeys = true;
+        continue;
+      }
+    }
+
+    if (schema.discriminatorMapping != null && key === schema.options.discriminatorKey && !options.overwriteDiscriminatorKey) {
+      if (strictMode === 'throw') {
+        const err = new Error('Can\'t modify discriminator key "' + key + '" on discriminator model');
+        aggregatedError = _appendError(err, context, key, aggregatedError);
+        continue;
+      } else if (strictMode) {
+        delete obj[key];
+        continue;
+      }
+    }
+
+    if (getConstructorName(val) === 'Object') {
+      // watch for embedded doc schemas
+      schematype = schema._getSchema(prefix + key);
+
+      if (schematype == null) {
+        const _res = getEmbeddedDiscriminatorPath(schema, obj, filter, prefix + key, options);
+        if (_res.schematype != null) {
+          schematype = _res.schematype;
+        }
+      }
+
+      if (op !== '$setOnInsert' &&
+          !options.overwrite &&
+          handleImmutable(schematype, strict, obj, key, prefix + key, context)) {
+        continue;
+      }
+
+      if (schematype && schematype.caster && op in castOps) {
+        // embedded doc schema
+        if ('$each' in val) {
+          hasKeys = true;
+          try {
+            obj[key] = {
+              $each: castUpdateVal(schematype, val.$each, op, key, context, prefix + key)
+            };
+          } catch (error) {
+            aggregatedError = _appendError(error, context, key, aggregatedError);
+          }
+
+          if (val.$slice != null) {
+            obj[key].$slice = val.$slice | 0;
+          }
+
+          if (val.$sort) {
+            obj[key].$sort = val.$sort;
+          }
+
+          if (val.$position != null) {
+            obj[key].$position = castNumber(val.$position);
+          }
+        } else {
+          if (schematype != null && schematype.$isSingleNested) {
+            const _strict = strict == null ? schematype.schema.options.strict : strict;
+            try {
+              obj[key] = schematype.castForQuery(val, context, { strict: _strict });
+            } catch (error) {
+              aggregatedError = _appendError(error, context, key, aggregatedError);
+            }
+          } else {
+            try {
+              obj[key] = castUpdateVal(schematype, val, op, key, context, prefix + key);
+            } catch (error) {
+              aggregatedError = _appendError(error, context, key, aggregatedError);
+            }
+          }
+
+          if (obj[key] === void 0) {
+            delete obj[key];
+            continue;
+          }
+
+          hasKeys = true;
+        }
+      } else if ((op === '$currentDate') || (op in castOps && schematype)) {
+        // $currentDate can take an object
+        try {
+          obj[key] = castUpdateVal(schematype, val, op, key, context, prefix + key);
+        } catch (error) {
+          aggregatedError = _appendError(error, context, key, aggregatedError);
+        }
+
+        if (obj[key] === void 0) {
+          delete obj[key];
+          continue;
+        }
+
+        hasKeys = true;
+      } else {
+        const pathToCheck = (prefix + key);
+        const v = schema._getPathType(pathToCheck);
+        let _strict = strict;
+        if (v && v.schema && _strict == null) {
+          _strict = v.schema.options.strict;
+        }
+
+        if (v.pathType === 'undefined') {
+          if (_strict === 'throw') {
+            throw new StrictModeError(pathToCheck);
+          } else if (_strict) {
+            delete obj[key];
+            continue;
+          }
+        }
+
+        // gh-2314
+        // we should be able to set a schema-less field
+        // to an empty object literal
+        hasKeys |= walkUpdatePath(schema, val, op, options, context, filter, prefix + key) ||
+          (utils.isObject(val) && Object.keys(val).length === 0);
+      }
+    } else {
+      const checkPath = (key === '$each' || key === '$or' || key === '$and' || key === '$in') ?
+        pref : prefix + key;
+      schematype = schema._getSchema(checkPath);
+
+      // You can use `$setOnInsert` with immutable keys
+      if (op !== '$setOnInsert' &&
+          !options.overwrite &&
+          handleImmutable(schematype, strict, obj, key, prefix + key, context)) {
+        continue;
+      }
+
+      let pathDetails = schema._getPathType(checkPath);
+
+      // If no schema type, check for embedded discriminators because the
+      // filter or update may imply an embedded discriminator type. See #8378
+      if (schematype == null) {
+        const _res = getEmbeddedDiscriminatorPath(schema, obj, filter, checkPath, options);
+        if (_res.schematype != null) {
+          schematype = _res.schematype;
+          pathDetails = _res.type;
+        }
+      }
+
+      let isStrict = strict;
+      if (pathDetails && pathDetails.schema && strict == null) {
+        isStrict = pathDetails.schema.options.strict;
+      }
+
+      const skip = isStrict &&
+        !schematype &&
+        !/real|nested/.test(pathDetails.pathType);
+
+      if (skip) {
+        // Even if strict is `throw`, avoid throwing an error because of
+        // virtuals because of #6731
+        if (isStrict === 'throw' && schema.virtuals[checkPath] == null) {
+          throw new StrictModeError(prefix + key);
+        } else {
+          delete obj[key];
+        }
+      } else {
+        // gh-1845 temporary fix: ignore $rename. See gh-3027 for tracking
+        // improving this.
+        if (op === '$rename') {
+          hasKeys = true;
+          continue;
+        }
+
+        try {
+          if (prefix.length === 0 || key.indexOf('.') === -1) {
+            obj[key] = castUpdateVal(schematype, val, op, key, context, prefix + key);
+          } else {
+            // Setting a nested dotted path that's in the schema. We don't allow paths with '.' in
+            // a schema, so replace the dotted path with a nested object to avoid ending up with
+            // dotted properties in the updated object. See (gh-10200)
+            setDottedPath(obj, key, castUpdateVal(schematype, val, op, key, context, prefix + key));
+            delete obj[key];
+          }
+        } catch (error) {
+          aggregatedError = _appendError(error, context, key, aggregatedError);
+        }
+
+        if (Array.isArray(obj[key]) && (op === '$addToSet' || op === '$push') && key !== '$each') {
+          if (schematype &&
+              schematype.caster &&
+              !schematype.caster.$isMongooseArray &&
+              !schematype.caster[schemaMixedSymbol]) {
+            obj[key] = { $each: obj[key] };
+          }
+        }
+
+        if (obj[key] === void 0) {
+          delete obj[key];
+          continue;
+        }
+
+        hasKeys = true;
+      }
+    }
+  }
+
+  if (aggregatedError != null) {
+    throw aggregatedError;
+  }
+
+  return hasKeys;
+}
+
+/*!
+ * ignore
+ */
+
+function _appendError(error, query, key, aggregatedError) {
+  if (typeof query !== 'object' || !query.options.multipleCastError) {
+    throw error;
+  }
+  aggregatedError = aggregatedError || new ValidationError();
+  aggregatedError.addError(key, error);
+  return aggregatedError;
+}
+
+/**
+ * These operators should be cast to numbers instead
+ * of their path schema type.
+ * @api private
+ */
+
+const numberOps = {
+  $pop: 1,
+  $inc: 1
+};
+
+/**
+ * These ops require no casting because the RHS doesn't do anything.
+ * @api private
+ */
+
+const noCastOps = {
+  $unset: 1
+};
+
+/**
+ * These operators require casting docs
+ * to real Documents for Update operations.
+ * @api private
+ */
+
+const castOps = {
+  $push: 1,
+  $addToSet: 1,
+  $set: 1,
+  $setOnInsert: 1
+};
+
+/*!
+ * ignore
+ */
+
+const overwriteOps = {
+  $set: 1,
+  $setOnInsert: 1
+};
+
+/**
+ * Casts `val` according to `schema` and atomic `op`.
+ *
+ * @param {SchemaType} schema
+ * @param {Object} val
+ * @param {String} op the atomic operator ($pull, $set, etc)
+ * @param {String} $conditional
+ * @param {Query} context
+ * @param {String} path
+ * @api private
+ */
+
+function castUpdateVal(schema, val, op, $conditional, context, path) {
+  if (!schema) {
+    // non-existing schema path
+    if (op in numberOps) {
+      try {
+        return castNumber(val);
+      } catch (err) {
+        throw new CastError('number', val, path);
+      }
+    }
+    return val;
+  }
+
+  // console.log('CastUpdateVal', path, op, val, schema);
+
+  const cond = schema.caster && op in castOps &&
+      (utils.isObject(val) || Array.isArray(val));
+  if (cond && !overwriteOps[op]) {
+    // Cast values for ops that add data to MongoDB.
+    // Ensures embedded documents get ObjectIds etc.
+    let schemaArrayDepth = 0;
+    let cur = schema;
+    while (cur.$isMongooseArray) {
+      ++schemaArrayDepth;
+      cur = cur.caster;
+    }
+    let arrayDepth = 0;
+    let _val = val;
+    while (Array.isArray(_val)) {
+      ++arrayDepth;
+      _val = _val[0];
+    }
+
+    const additionalNesting = schemaArrayDepth - arrayDepth;
+    while (arrayDepth < schemaArrayDepth) {
+      val = [val];
+      ++arrayDepth;
+    }
+
+    let tmp = schema.applySetters(Array.isArray(val) ? val : [val], context);
+
+    for (let i = 0; i < additionalNesting; ++i) {
+      tmp = tmp[0];
+    }
+    return tmp;
+  }
+
+  if (op in noCastOps) {
+    return val;
+  }
+  if (op in numberOps) {
+    // Null and undefined not allowed for $pop, $inc
+    if (val == null) {
+      throw new CastError('number', val, schema.path);
+    }
+    if (op === '$inc') {
+      // Support `$inc` with long, int32, etc. (gh-4283)
+      return schema.castForQueryWrapper({
+        val: val,
+        context: context
+      });
+    }
+    try {
+      return castNumber(val);
+    } catch (error) {
+      throw new CastError('number', val, schema.path);
+    }
+  }
+  if (op === '$currentDate') {
+    if (typeof val === 'object') {
+      return { $type: val.$type };
+    }
+    return Boolean(val);
+  }
+
+  if (/^\$/.test($conditional)) {
+    return schema.castForQueryWrapper({
+      $conditional: $conditional,
+      val: val,
+      context: context
+    });
+  }
+
+  if (overwriteOps[op]) {
+    return schema.castForQueryWrapper({
+      val: val,
+      context: context,
+      $skipQueryCastForUpdate: val != null && schema.$isMongooseArray && schema.$fullPath != null && !schema.$fullPath.match(/\d+$/),
+      $applySetters: schema[schemaMixedSymbol] != null
+    });
+  }
+
+  return schema.castForQueryWrapper({ val: val, context: context });
+}
diff --git a/node_modules/mongoose/lib/helpers/query/completeMany.js b/node_modules/mongoose/lib/helpers/query/completeMany.js
new file mode 100644
index 000000000..4ba8c2b08
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/completeMany.js
@@ -0,0 +1,52 @@
+'use strict';
+
+const helpers = require('../../queryhelpers');
+const immediate = require('../immediate');
+
+module.exports = completeMany;
+
+/**
+ * Given a model and an array of docs, hydrates all the docs to be instances
+ * of the model. Used to initialize docs returned from the db from `find()`
+ *
+ * @param {Model} model
+ * @param {Array} docs
+ * @param {Object} fields the projection used, including `select` from schemas
+ * @param {Object} userProvidedFields the user-specified projection
+ * @param {Object} [opts]
+ * @param {Array} [opts.populated]
+ * @param {ClientSession} [opts.session]
+ * @param {Function} callback
+ * @api private
+ */
+
+function completeMany(model, docs, fields, userProvidedFields, opts, callback) {
+  const arr = [];
+  let count = docs.length;
+  const len = count;
+  let error = null;
+
+  function init(_error) {
+    if (_error != null) {
+      error = error || _error;
+    }
+    if (error != null) {
+      --count || immediate(() => callback(error));
+      return;
+    }
+    --count || immediate(() => callback(error, arr));
+  }
+
+  for (let i = 0; i < len; ++i) {
+    arr[i] = helpers.createModel(model, docs[i], fields, userProvidedFields);
+    try {
+      arr[i].$init(docs[i], opts, init);
+    } catch (error) {
+      init(error);
+    }
+
+    if (opts.session != null) {
+      arr[i].$session(opts.session);
+    }
+  }
+}
diff --git a/node_modules/mongoose/lib/helpers/query/getEmbeddedDiscriminatorPath.js b/node_modules/mongoose/lib/helpers/query/getEmbeddedDiscriminatorPath.js
new file mode 100644
index 000000000..f376916b5
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/getEmbeddedDiscriminatorPath.js
@@ -0,0 +1,90 @@
+'use strict';
+
+const cleanPositionalOperators = require('../schema/cleanPositionalOperators');
+const get = require('../get');
+const getDiscriminatorByValue = require('../discriminator/getDiscriminatorByValue');
+const updatedPathsByArrayFilter = require('../update/updatedPathsByArrayFilter');
+
+/**
+ * Like `schema.path()`, except with a document, because impossible to
+ * determine path type without knowing the embedded discriminator key.
+ * @param {Schema} schema
+ * @param {Object} [update]
+ * @param {Object} [filter]
+ * @param {String} path
+ * @param {Object} [options]
+ * @api private
+ */
+
+module.exports = function getEmbeddedDiscriminatorPath(schema, update, filter, path, options) {
+  const parts = path.split('.');
+  let schematype = null;
+  let type = 'adhocOrUndefined';
+
+  filter = filter || {};
+  update = update || {};
+  const arrayFilters = options != null && Array.isArray(options.arrayFilters) ?
+    options.arrayFilters : [];
+  const updatedPathsByFilter = updatedPathsByArrayFilter(update);
+
+  for (let i = 0; i < parts.length; ++i) {
+    const subpath = cleanPositionalOperators(parts.slice(0, i + 1).join('.'));
+    schematype = schema.path(subpath);
+    if (schematype == null) {
+      continue;
+    }
+
+    type = schema.pathType(subpath);
+    if ((schematype.$isSingleNested || schematype.$isMongooseDocumentArrayElement) &&
+        schematype.schema.discriminators != null) {
+      const key = get(schematype, 'schema.options.discriminatorKey');
+      const discriminatorValuePath = subpath + '.' + key;
+      const discriminatorFilterPath =
+        discriminatorValuePath.replace(/\.\d+\./, '.');
+      let discriminatorKey = null;
+
+      if (discriminatorValuePath in filter) {
+        discriminatorKey = filter[discriminatorValuePath];
+      }
+      if (discriminatorFilterPath in filter) {
+        discriminatorKey = filter[discriminatorFilterPath];
+      }
+
+      const wrapperPath = subpath.replace(/\.\d+$/, '');
+      if (schematype.$isMongooseDocumentArrayElement &&
+          get(filter[wrapperPath], '$elemMatch.' + key) != null) {
+        discriminatorKey = filter[wrapperPath].$elemMatch[key];
+      }
+
+      if (discriminatorValuePath in update) {
+        discriminatorKey = update[discriminatorValuePath];
+      }
+
+      for (const filterKey of Object.keys(updatedPathsByFilter)) {
+        const schemaKey = updatedPathsByFilter[filterKey] + '.' + key;
+        const arrayFilterKey = filterKey + '.' + key;
+        if (schemaKey === discriminatorFilterPath) {
+          const filter = arrayFilters.find(filter => filter.hasOwnProperty(arrayFilterKey));
+          if (filter != null) {
+            discriminatorKey = filter[arrayFilterKey];
+          }
+        }
+      }
+
+      if (discriminatorKey == null) {
+        continue;
+      }
+
+      const discriminatorSchema = getDiscriminatorByValue(schematype.caster.discriminators, discriminatorKey).schema;
+
+      const rest = parts.slice(i + 1).join('.');
+      schematype = discriminatorSchema.path(rest);
+      if (schematype != null) {
+        type = discriminatorSchema._getPathType(rest);
+        break;
+      }
+    }
+  }
+
+  return { type: type, schematype: schematype };
+};
diff --git a/node_modules/mongoose/lib/helpers/query/handleImmutable.js b/node_modules/mongoose/lib/helpers/query/handleImmutable.js
new file mode 100644
index 000000000..22adb3c50
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/handleImmutable.js
@@ -0,0 +1,28 @@
+'use strict';
+
+const StrictModeError = require('../../error/strict');
+
+module.exports = function handleImmutable(schematype, strict, obj, key, fullPath, ctx) {
+  if (schematype == null || !schematype.options || !schematype.options.immutable) {
+    return false;
+  }
+  let immutable = schematype.options.immutable;
+
+  if (typeof immutable === 'function') {
+    immutable = immutable.call(ctx, ctx);
+  }
+  if (!immutable) {
+    return false;
+  }
+
+  if (strict === false) {
+    return false;
+  }
+  if (strict === 'throw') {
+    throw new StrictModeError(null,
+      `Field ${fullPath} is immutable and strict = 'throw'`);
+  }
+
+  delete obj[key];
+  return true;
+};
diff --git a/node_modules/mongoose/lib/helpers/query/hasDollarKeys.js b/node_modules/mongoose/lib/helpers/query/hasDollarKeys.js
new file mode 100644
index 000000000..3e3b188c1
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/hasDollarKeys.js
@@ -0,0 +1,23 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+module.exports = function hasDollarKeys(obj) {
+
+  if (typeof obj !== 'object' || obj === null) {
+    return false;
+  }
+
+  const keys = Object.keys(obj);
+  const len = keys.length;
+
+  for (let i = 0; i < len; ++i) {
+    if (keys[i][0] === '$') {
+      return true;
+    }
+  }
+
+  return false;
+};
diff --git a/node_modules/mongoose/lib/helpers/query/isOperator.js b/node_modules/mongoose/lib/helpers/query/isOperator.js
new file mode 100644
index 000000000..04488591a
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/isOperator.js
@@ -0,0 +1,14 @@
+'use strict';
+
+const specialKeys = new Set([
+  '$ref',
+  '$id',
+  '$db'
+]);
+
+module.exports = function isOperator(path) {
+  return (
+    path[0] === '$' &&
+    !specialKeys.has(path)
+  );
+};
diff --git a/node_modules/mongoose/lib/helpers/query/sanitizeFilter.js b/node_modules/mongoose/lib/helpers/query/sanitizeFilter.js
new file mode 100644
index 000000000..1147df369
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/sanitizeFilter.js
@@ -0,0 +1,38 @@
+'use strict';
+
+const hasDollarKeys = require('./hasDollarKeys');
+const { trustedSymbol } = require('./trusted');
+
+module.exports = function sanitizeFilter(filter) {
+  if (filter == null || typeof filter !== 'object') {
+    return filter;
+  }
+  if (Array.isArray(filter)) {
+    for (const subfilter of filter) {
+      sanitizeFilter(subfilter);
+    }
+    return filter;
+  }
+
+  const filterKeys = Object.keys(filter);
+  for (const key of filterKeys) {
+    const value = filter[key];
+    if (value != null && value[trustedSymbol]) {
+      continue;
+    }
+    if (key === '$and' || key === '$or') {
+      sanitizeFilter(value);
+      continue;
+    }
+
+    if (hasDollarKeys(value)) {
+      const keys = Object.keys(value);
+      if (keys.length === 1 && keys[0] === '$eq') {
+        continue;
+      }
+      filter[key] = { $eq: filter[key] };
+    }
+  }
+
+  return filter;
+};
diff --git a/node_modules/mongoose/lib/helpers/query/sanitizeProjection.js b/node_modules/mongoose/lib/helpers/query/sanitizeProjection.js
new file mode 100644
index 000000000..0c0348759
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/sanitizeProjection.js
@@ -0,0 +1,14 @@
+'use strict';
+
+module.exports = function sanitizeProjection(projection) {
+  if (projection == null) {
+    return;
+  }
+
+  const keys = Object.keys(projection);
+  for (let i = 0; i < keys.length; ++i) {
+    if (typeof projection[keys[i]] === 'string') {
+      projection[keys[i]] = 1;
+    }
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/query/selectPopulatedFields.js b/node_modules/mongoose/lib/helpers/query/selectPopulatedFields.js
new file mode 100644
index 000000000..92f1d87e0
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/selectPopulatedFields.js
@@ -0,0 +1,49 @@
+'use strict';
+
+const isExclusive = require('../projection/isExclusive');
+const isInclusive = require('../projection/isInclusive');
+
+/*!
+ * ignore
+ */
+
+module.exports = function selectPopulatedFields(fields, userProvidedFields, populateOptions) {
+  if (populateOptions == null) {
+    return;
+  }
+
+  const paths = Object.keys(populateOptions);
+  userProvidedFields = userProvidedFields || {};
+  if (isInclusive(fields)) {
+    for (const path of paths) {
+      if (!isPathInFields(userProvidedFields, path)) {
+        fields[path] = 1;
+      } else if (userProvidedFields[path] === 0) {
+        delete fields[path];
+      }
+    }
+  } else if (isExclusive(fields)) {
+    for (const path of paths) {
+      if (userProvidedFields[path] == null) {
+        delete fields[path];
+      }
+    }
+  }
+};
+
+/*!
+ * ignore
+ */
+
+function isPathInFields(userProvidedFields, path) {
+  const pieces = path.split('.');
+  const len = pieces.length;
+  let cur = pieces[0];
+  for (let i = 1; i < len; ++i) {
+    if (userProvidedFields[cur] != null || userProvidedFields[cur + '.$'] != null) {
+      return true;
+    }
+    cur += '.' + pieces[i];
+  }
+  return userProvidedFields[cur] != null || userProvidedFields[cur + '.$'] != null;
+}
diff --git a/node_modules/mongoose/lib/helpers/query/trusted.js b/node_modules/mongoose/lib/helpers/query/trusted.js
new file mode 100644
index 000000000..1e460eb50
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/trusted.js
@@ -0,0 +1,13 @@
+'use strict';
+
+const trustedSymbol = Symbol('mongoose#trustedSymbol');
+
+exports.trustedSymbol = trustedSymbol;
+
+exports.trusted = function trusted(obj) {
+  if (obj == null || typeof obj !== 'object') {
+    return obj;
+  }
+  obj[trustedSymbol] = true;
+  return obj;
+};
diff --git a/node_modules/mongoose/lib/helpers/query/validOps.js b/node_modules/mongoose/lib/helpers/query/validOps.js
new file mode 100644
index 000000000..f554ff2d9
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/validOps.js
@@ -0,0 +1,24 @@
+'use strict';
+
+module.exports = Object.freeze([
+  // Read
+  'count',
+  'countDocuments',
+  'distinct',
+  'estimatedDocumentCount',
+  'find',
+  'findOne',
+  // Update
+  'findOneAndReplace',
+  'findOneAndUpdate',
+  'replaceOne',
+  'update',
+  'updateMany',
+  'updateOne',
+  // Delete
+  'deleteMany',
+  'deleteOne',
+  'findOneAndDelete',
+  'findOneAndRemove',
+  'remove'
+]);
diff --git a/node_modules/mongoose/lib/helpers/query/wrapThunk.js b/node_modules/mongoose/lib/helpers/query/wrapThunk.js
new file mode 100644
index 000000000..1303a4708
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/query/wrapThunk.js
@@ -0,0 +1,31 @@
+'use strict';
+
+const MongooseError = require('../../error/mongooseError');
+
+/**
+ * A query thunk is the function responsible for sending the query to MongoDB,
+ * like `Query#_findOne()` or `Query#_execUpdate()`. The `Query#exec()` function
+ * calls a thunk. The term "thunk" here is the traditional Node.js definition:
+ * a function that takes exactly 1 parameter, a callback.
+ *
+ * This function defines common behavior for all query thunks.
+ * @param {Function} fn
+ * @api private
+ */
+
+module.exports = function wrapThunk(fn) {
+  return function _wrappedThunk(cb) {
+    if (this._executionStack != null) {
+      let str = this.toString();
+      if (str.length > 60) {
+        str = str.slice(0, 60) + '...';
+      }
+      const err = new MongooseError('Query was already executed: ' + str);
+      err.originalStack = this._executionStack.stack;
+      return cb(err);
+    }
+    this._executionStack = new Error();
+
+    fn.call(this, cb);
+  };
+};
diff --git a/node_modules/mongoose/lib/helpers/schema/addAutoId.js b/node_modules/mongoose/lib/helpers/schema/addAutoId.js
new file mode 100644
index 000000000..82c0c603c
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/schema/addAutoId.js
@@ -0,0 +1,7 @@
+'use strict';
+
+module.exports = function addAutoId(schema) {
+  const _obj = { _id: { auto: true } };
+  _obj._id[schema.options.typeKey] = 'ObjectId';
+  schema.add(_obj);
+};
diff --git a/node_modules/mongoose/lib/helpers/schema/applyPlugins.js b/node_modules/mongoose/lib/helpers/schema/applyPlugins.js
new file mode 100644
index 000000000..fe9768007
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/schema/applyPlugins.js
@@ -0,0 +1,55 @@
+'use strict';
+
+module.exports = function applyPlugins(schema, plugins, options, cacheKey) {
+  if (schema[cacheKey]) {
+    return;
+  }
+  schema[cacheKey] = true;
+
+  if (!options || !options.skipTopLevel) {
+    let pluginTags = null;
+    for (const plugin of plugins) {
+      const tags = plugin[1] == null ? null : plugin[1].tags;
+      if (!Array.isArray(tags)) {
+        schema.plugin(plugin[0], plugin[1]);
+        continue;
+      }
+
+      pluginTags = pluginTags || new Set(schema.options.pluginTags || []);
+      if (!tags.find(tag => pluginTags.has(tag))) {
+        continue;
+      }
+      schema.plugin(plugin[0], plugin[1]);
+    }
+  }
+
+  options = Object.assign({}, options);
+  delete options.skipTopLevel;
+
+  if (options.applyPluginsToChildSchemas !== false) {
+    for (const path of Object.keys(schema.paths)) {
+      const type = schema.paths[path];
+      if (type.schema != null) {
+        applyPlugins(type.schema, plugins, options, cacheKey);
+
+        // Recompile schema because plugins may have changed it, see gh-7572
+        type.caster.prototype.$__setSchema(type.schema);
+      }
+    }
+  }
+
+  const discriminators = schema.discriminators;
+  if (discriminators == null) {
+    return;
+  }
+
+  const applyPluginsToDiscriminators = options.applyPluginsToDiscriminators;
+
+  const keys = Object.keys(discriminators);
+  for (const discriminatorKey of keys) {
+    const discriminatorSchema = discriminators[discriminatorKey];
+
+    applyPlugins(discriminatorSchema, plugins,
+      { skipTopLevel: !applyPluginsToDiscriminators }, cacheKey);
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/schema/applyWriteConcern.js b/node_modules/mongoose/lib/helpers/schema/applyWriteConcern.js
new file mode 100644
index 000000000..4095bd94b
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/schema/applyWriteConcern.js
@@ -0,0 +1,30 @@
+'use strict';
+
+const get = require('../get');
+
+module.exports = function applyWriteConcern(schema, options) {
+  const writeConcern = get(schema, 'options.writeConcern', {});
+  if (Object.keys(writeConcern).length != 0) {
+    options.writeConcern = {};
+    if (!('w' in options) && writeConcern.w != null) {
+      options.writeConcern.w = writeConcern.w;
+    }
+    if (!('j' in options) && writeConcern.j != null) {
+      options.writeConcern.j = writeConcern.j;
+    }
+    if (!('wtimeout' in options) && writeConcern.wtimeout != null) {
+      options.writeConcern.wtimeout = writeConcern.wtimeout;
+    }
+  }
+  else {
+    if (!('w' in options) && writeConcern.w != null) {
+      options.w = writeConcern.w;
+    }
+    if (!('j' in options) && writeConcern.j != null) {
+      options.j = writeConcern.j;
+    }
+    if (!('wtimeout' in options) && writeConcern.wtimeout != null) {
+      options.wtimeout = writeConcern.wtimeout;
+    }
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/schema/cleanPositionalOperators.js b/node_modules/mongoose/lib/helpers/schema/cleanPositionalOperators.js
new file mode 100644
index 000000000..f104d0398
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/schema/cleanPositionalOperators.js
@@ -0,0 +1,12 @@
+'use strict';
+
+/**
+ * For consistency's sake, we replace positional operator `$` and array filters
+ * `$[]` and `$[foo]` with `0` when looking up schema paths.
+ */
+
+module.exports = function cleanPositionalOperators(path) {
+  return path.
+    replace(/\.\$(\[[^\]]*\])?(?=\.)/g, '.0').
+    replace(/\.\$(\[[^\]]*\])?$/g, '.0');
+};
diff --git a/node_modules/mongoose/lib/helpers/schema/getIndexes.js b/node_modules/mongoose/lib/helpers/schema/getIndexes.js
new file mode 100644
index 000000000..28e0a3e6f
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/schema/getIndexes.js
@@ -0,0 +1,164 @@
+'use strict';
+
+const get = require('../get');
+const helperIsObject = require('../isObject');
+const decorateDiscriminatorIndexOptions = require('../indexes/decorateDiscriminatorIndexOptions');
+
+/**
+ * Gather all indexes defined in the schema, including single nested,
+ * document arrays, and embedded discriminators.
+ * @param {Schema} schema
+ * @api private
+ */
+
+module.exports = function getIndexes(schema) {
+  let indexes = [];
+  const schemaStack = new WeakMap();
+  const indexTypes = schema.constructor.indexTypes;
+  const indexByName = new Map();
+
+  collectIndexes(schema);
+  return indexes;
+
+  function collectIndexes(schema, prefix, baseSchema) {
+    // Ignore infinitely nested schemas, if we've already seen this schema
+    // along this path there must be a cycle
+    if (schemaStack.has(schema)) {
+      return;
+    }
+    schemaStack.set(schema, true);
+
+    prefix = prefix || '';
+    const keys = Object.keys(schema.paths);
+
+    for (const key of keys) {
+      const path = schema.paths[key];
+      if (baseSchema != null && baseSchema.paths[key]) {
+        // If looking at an embedded discriminator schema, don't look at paths
+        // that the
+        continue;
+      }
+
+      if (path.$isMongooseDocumentArray || path.$isSingleNested) {
+        if (get(path, 'options.excludeIndexes') !== true &&
+            get(path, 'schemaOptions.excludeIndexes') !== true &&
+            get(path, 'schema.options.excludeIndexes') !== true) {
+          collectIndexes(path.schema, prefix + key + '.');
+        }
+
+        if (path.schema.discriminators != null) {
+          const discriminators = path.schema.discriminators;
+          const discriminatorKeys = Object.keys(discriminators);
+          for (const discriminatorKey of discriminatorKeys) {
+            collectIndexes(discriminators[discriminatorKey],
+              prefix + key + '.', path.schema);
+          }
+        }
+
+        // Retained to minimize risk of backwards breaking changes due to
+        // gh-6113
+        if (path.$isMongooseDocumentArray) {
+          continue;
+        }
+      }
+
+      const index = path._index || (path.caster && path.caster._index);
+
+      if (index !== false && index !== null && index !== undefined) {
+        const field = {};
+        const isObject = helperIsObject(index);
+        const options = isObject ? index : {};
+        const type = typeof index === 'string' ? index :
+          isObject ? index.type :
+            false;
+
+        if (type && indexTypes.indexOf(type) !== -1) {
+          field[prefix + key] = type;
+        } else if (options.text) {
+          field[prefix + key] = 'text';
+          delete options.text;
+        } else {
+          const isDescendingIndex = Number(index) === -1;
+          field[prefix + key] = isDescendingIndex ? -1 : 1;
+        }
+
+        delete options.type;
+        if (!('background' in options)) {
+          options.background = true;
+        }
+        if (schema.options.autoIndex != null) {
+          options._autoIndex = schema.options.autoIndex;
+        }
+
+        const indexName = options && options.name;
+
+        if (typeof indexName === 'string') {
+          if (indexByName.has(indexName)) {
+            Object.assign(indexByName.get(indexName), field);
+          } else {
+            indexes.push([field, options]);
+            indexByName.set(indexName, field);
+          }
+        } else {
+          indexes.push([field, options]);
+          indexByName.set(indexName, field);
+        }
+      }
+    }
+
+    schemaStack.delete(schema);
+
+    if (prefix) {
+      fixSubIndexPaths(schema, prefix);
+    } else {
+      schema._indexes.forEach(function(index) {
+        const options = index[1];
+        if (!('background' in options)) {
+          options.background = true;
+        }
+        decorateDiscriminatorIndexOptions(schema, options);
+      });
+      indexes = indexes.concat(schema._indexes);
+    }
+  }
+
+  /**
+   * Checks for indexes added to subdocs using Schema.index().
+   * These indexes need their paths prefixed properly.
+   *
+   * schema._indexes = [ [indexObj, options], [indexObj, options] ..]
+   * @param {Schema} schema
+   * @param {String} prefix
+   * @api private
+   */
+
+  function fixSubIndexPaths(schema, prefix) {
+    const subindexes = schema._indexes;
+    const len = subindexes.length;
+    for (let i = 0; i < len; ++i) {
+      const indexObj = subindexes[i][0];
+      const indexOptions = subindexes[i][1];
+      const keys = Object.keys(indexObj);
+      const klen = keys.length;
+      const newindex = {};
+
+      // use forward iteration, order matters
+      for (let j = 0; j < klen; ++j) {
+        const key = keys[j];
+        newindex[prefix + key] = indexObj[key];
+      }
+
+      const newIndexOptions = Object.assign({}, indexOptions);
+      if (indexOptions != null && indexOptions.partialFilterExpression != null) {
+        newIndexOptions.partialFilterExpression = {};
+        const partialFilterExpression = indexOptions.partialFilterExpression;
+        for (const key of Object.keys(partialFilterExpression)) {
+          newIndexOptions.partialFilterExpression[prefix + key] =
+            partialFilterExpression[key];
+        }
+      }
+
+      indexes.push([newindex, newIndexOptions]);
+    }
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/schema/getKeysInSchemaOrder.js b/node_modules/mongoose/lib/helpers/schema/getKeysInSchemaOrder.js
new file mode 100644
index 000000000..83b7fd88c
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/schema/getKeysInSchemaOrder.js
@@ -0,0 +1,28 @@
+'use strict';
+
+const get = require('../get');
+
+module.exports = function getKeysInSchemaOrder(schema, val, path) {
+  const schemaKeys = path != null ? Object.keys(get(schema.tree, path, {})) : Object.keys(schema.tree);
+  const valKeys = new Set(Object.keys(val));
+
+  let keys;
+  if (valKeys.size > 1) {
+    keys = new Set();
+    for (const key of schemaKeys) {
+      if (valKeys.has(key)) {
+        keys.add(key);
+      }
+    }
+    for (const key of valKeys) {
+      if (!keys.has(key)) {
+        keys.add(key);
+      }
+    }
+    keys = Array.from(keys);
+  } else {
+    keys = Array.from(valKeys);
+  }
+
+  return keys;
+};
diff --git a/node_modules/mongoose/lib/helpers/schema/getPath.js b/node_modules/mongoose/lib/helpers/schema/getPath.js
new file mode 100644
index 000000000..b4022826e
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/schema/getPath.js
@@ -0,0 +1,38 @@
+'use strict';
+
+const numberRE = /^\d+$/;
+
+/**
+ * Behaves like `Schema#path()`, except for it also digs into arrays without
+ * needing to put `.0.`, so `getPath(schema, 'docArr.elProp')` works.
+ * @api private
+ */
+
+module.exports = function getPath(schema, path) {
+  let schematype = schema.path(path);
+  if (schematype != null) {
+    return schematype;
+  }
+
+  const pieces = path.split('.');
+  let cur = '';
+  let isArray = false;
+
+  for (const piece of pieces) {
+    if (isArray && numberRE.test(piece)) {
+      continue;
+    }
+    cur = cur.length === 0 ? piece : cur + '.' + piece;
+
+    schematype = schema.path(cur);
+    if (schematype != null && schematype.schema) {
+      schema = schematype.schema;
+      cur = '';
+      if (!isArray && schematype.$isMongooseDocumentArray) {
+        isArray = true;
+      }
+    }
+  }
+
+  return schematype;
+};
diff --git a/node_modules/mongoose/lib/helpers/schema/handleIdOption.js b/node_modules/mongoose/lib/helpers/schema/handleIdOption.js
new file mode 100644
index 000000000..335ff2b75
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/schema/handleIdOption.js
@@ -0,0 +1,20 @@
+'use strict';
+
+const addAutoId = require('./addAutoId');
+
+module.exports = function handleIdOption(schema, options) {
+  if (options == null || options._id == null) {
+    return schema;
+  }
+
+  schema = schema.clone();
+  if (!options._id) {
+    schema.remove('_id');
+    schema.options._id = false;
+  } else if (!schema.paths['_id']) {
+    addAutoId(schema);
+    schema.options._id = true;
+  }
+
+  return schema;
+};
diff --git a/node_modules/mongoose/lib/helpers/schema/handleTimestampOption.js b/node_modules/mongoose/lib/helpers/schema/handleTimestampOption.js
new file mode 100644
index 000000000..0f9c30c36
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/schema/handleTimestampOption.js
@@ -0,0 +1,24 @@
+'use strict';
+
+module.exports = handleTimestampOption;
+
+/*!
+ * ignore
+ */
+
+function handleTimestampOption(arg, prop) {
+  if (arg == null) {
+    return null;
+  }
+
+  if (typeof arg === 'boolean') {
+    return prop;
+  }
+  if (typeof arg[prop] === 'boolean') {
+    return arg[prop] ? prop : null;
+  }
+  if (!(prop in arg)) {
+    return prop;
+  }
+  return arg[prop];
+}
diff --git a/node_modules/mongoose/lib/helpers/schema/idGetter.js b/node_modules/mongoose/lib/helpers/schema/idGetter.js
new file mode 100644
index 000000000..31ea2ec86
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/schema/idGetter.js
@@ -0,0 +1,32 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+module.exports = function addIdGetter(schema) {
+  // ensure the documents receive an id getter unless disabled
+  const autoIdGetter = !schema.paths['id'] &&
+    schema.paths['_id'] &&
+    schema.options.id;
+  if (!autoIdGetter) {
+    return schema;
+  }
+
+  schema.virtual('id').get(idGetter);
+
+  return schema;
+};
+
+/**
+ * Returns this documents _id cast to a string.
+ * @api private
+ */
+
+function idGetter() {
+  if (this._id != null) {
+    return String(this._id);
+  }
+
+  return null;
+}
diff --git a/node_modules/mongoose/lib/helpers/schema/merge.js b/node_modules/mongoose/lib/helpers/schema/merge.js
new file mode 100644
index 000000000..edc5175ee
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/schema/merge.js
@@ -0,0 +1,27 @@
+'use strict';
+
+module.exports = function merge(s1, s2, skipConflictingPaths) {
+  const paths = Object.keys(s2.tree);
+  const pathsToAdd = {};
+  for (const key of paths) {
+    if (skipConflictingPaths && (s1.paths[key] || s1.nested[key] || s1.singleNestedPaths[key])) {
+      continue;
+    }
+    pathsToAdd[key] = s2.tree[key];
+  }
+  s1.add(pathsToAdd);
+
+  s1.callQueue = s1.callQueue.concat(s2.callQueue);
+  s1.method(s2.methods);
+  s1.static(s2.statics);
+
+  for (const query in s2.query) {
+    s1.query[query] = s2.query[query];
+  }
+
+  for (const virtual in s2.virtuals) {
+    s1.virtuals[virtual] = s2.virtuals[virtual].clone();
+  }
+
+  s1.s.hooks.merge(s2.s.hooks, false);
+};
diff --git a/node_modules/mongoose/lib/helpers/schematype/handleImmutable.js b/node_modules/mongoose/lib/helpers/schematype/handleImmutable.js
new file mode 100644
index 000000000..cc22c9149
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/schematype/handleImmutable.js
@@ -0,0 +1,50 @@
+'use strict';
+
+const StrictModeError = require('../../error/strict');
+
+/*!
+ * ignore
+ */
+
+module.exports = function(schematype) {
+  if (schematype.$immutable) {
+    schematype.$immutableSetter = createImmutableSetter(schematype.path,
+      schematype.options.immutable);
+    schematype.set(schematype.$immutableSetter);
+  } else if (schematype.$immutableSetter) {
+    schematype.setters = schematype.setters.
+      filter(fn => fn !== schematype.$immutableSetter);
+    delete schematype.$immutableSetter;
+  }
+};
+
+function createImmutableSetter(path, immutable) {
+  return function immutableSetter(v, _priorVal, _doc, options) {
+    if (this == null || this.$__ == null) {
+      return v;
+    }
+    if (this.isNew) {
+      return v;
+    }
+    if (options && options.overwriteImmutable) {
+      return v;
+    }
+
+    const _immutable = typeof immutable === 'function' ?
+      immutable.call(this, this) :
+      immutable;
+    if (!_immutable) {
+      return v;
+    }
+
+    const _value = this.$__.priorDoc != null ?
+      this.$__.priorDoc.$__getValue(path) :
+      this.$__getValue(path);
+    if (this.$__.strictMode === 'throw' && v !== _value) {
+      throw new StrictModeError(path, 'Path `' + path + '` is immutable ' +
+        'and strict mode is set to throw.', true);
+    }
+
+    return _value;
+  };
+}
diff --git a/node_modules/mongoose/lib/helpers/setDefaultsOnInsert.js b/node_modules/mongoose/lib/helpers/setDefaultsOnInsert.js
new file mode 100644
index 000000000..a94a5b35f
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/setDefaultsOnInsert.js
@@ -0,0 +1,132 @@
+'use strict';
+const modifiedPaths = require('./common').modifiedPaths;
+const get = require('./get');
+
+/**
+ * Applies defaults to update and findOneAndUpdate operations.
+ *
+ * @param {Object} filter
+ * @param {Schema} schema
+ * @param {Object} castedDoc
+ * @param {Object} options
+ * @method setDefaultsOnInsert
+ * @api private
+ */
+
+module.exports = function(filter, schema, castedDoc, options) {
+  options = options || {};
+
+  const shouldSetDefaultsOnInsert =
+    options.setDefaultsOnInsert != null ?
+      options.setDefaultsOnInsert :
+      schema.base.options.setDefaultsOnInsert;
+
+  if (!options.upsert || shouldSetDefaultsOnInsert === false) {
+    return castedDoc;
+  }
+
+  const keys = Object.keys(castedDoc || {});
+  const updatedKeys = {};
+  const updatedValues = {};
+  const numKeys = keys.length;
+  const modified = {};
+
+  let hasDollarUpdate = false;
+
+  for (let i = 0; i < numKeys; ++i) {
+    if (keys[i].startsWith('$')) {
+      modifiedPaths(castedDoc[keys[i]], '', modified);
+      hasDollarUpdate = true;
+    }
+  }
+
+  if (!hasDollarUpdate) {
+    modifiedPaths(castedDoc, '', modified);
+  }
+
+  const paths = Object.keys(filter);
+  const numPaths = paths.length;
+  for (let i = 0; i < numPaths; ++i) {
+    const path = paths[i];
+    const condition = filter[path];
+    if (condition && typeof condition === 'object') {
+      const conditionKeys = Object.keys(condition);
+      const numConditionKeys = conditionKeys.length;
+      let hasDollarKey = false;
+      for (let j = 0; j < numConditionKeys; ++j) {
+        if (conditionKeys[j].startsWith('$')) {
+          hasDollarKey = true;
+          break;
+        }
+      }
+      if (hasDollarKey) {
+        continue;
+      }
+    }
+    updatedKeys[path] = true;
+    modified[path] = true;
+  }
+
+  if (options && options.overwrite && !hasDollarUpdate) {
+    // Defaults will be set later, since we're overwriting we'll cast
+    // the whole update to a document
+    return castedDoc;
+  }
+
+  schema.eachPath(function(path, schemaType) {
+    // Skip single nested paths if underneath a map
+    if (schemaType.path === '_id' && schemaType.options.auto) {
+      return;
+    }
+    const def = schemaType.getDefault(null, true);
+    if (isModified(modified, path)) {
+      return;
+    }
+    if (typeof def === 'undefined') {
+      return;
+    }
+    if (schemaType.splitPath().includes('$*')) {
+      // Skip defaults underneath maps. We should never do `$setOnInsert` on a path with `$*`
+      return;
+    }
+
+    castedDoc = castedDoc || {};
+    castedDoc.$setOnInsert = castedDoc.$setOnInsert || {};
+    if (get(castedDoc, path) == null) {
+      castedDoc.$setOnInsert[path] = def;
+    }
+    updatedValues[path] = def;
+  });
+
+  return castedDoc;
+};
+
+function isModified(modified, path) {
+  if (modified[path]) {
+    return true;
+  }
+
+  // Is any parent path of `path` modified?
+  const sp = path.split('.');
+  let cur = sp[0];
+  for (let i = 1; i < sp.length; ++i) {
+    if (modified[cur]) {
+      return true;
+    }
+    cur += '.' + sp[i];
+  }
+
+  // Is any child of `path` modified?
+  const modifiedKeys = Object.keys(modified);
+  if (modifiedKeys.length) {
+    const parentPath = path + '.';
+
+    for (const modifiedPath of modifiedKeys) {
+      if (modifiedPath.slice(0, path.length + 1) === parentPath) {
+        return true;
+      }
+    }
+  }
+
+  return false;
+}
diff --git a/node_modules/mongoose/lib/helpers/specialProperties.js b/node_modules/mongoose/lib/helpers/specialProperties.js
new file mode 100644
index 000000000..8a961e4e8
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/specialProperties.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = new Set(['__proto__', 'constructor', 'prototype']);
diff --git a/node_modules/mongoose/lib/helpers/symbols.js b/node_modules/mongoose/lib/helpers/symbols.js
new file mode 100644
index 000000000..f12db3d82
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/symbols.js
@@ -0,0 +1,20 @@
+'use strict';
+
+exports.arrayAtomicsBackupSymbol = Symbol('mongoose#Array#atomicsBackup');
+exports.arrayAtomicsSymbol = Symbol('mongoose#Array#_atomics');
+exports.arrayParentSymbol = Symbol('mongoose#Array#_parent');
+exports.arrayPathSymbol = Symbol('mongoose#Array#_path');
+exports.arraySchemaSymbol = Symbol('mongoose#Array#_schema');
+exports.documentArrayParent = Symbol('mongoose:documentArrayParent');
+exports.documentIsSelected = Symbol('mongoose#Document#isSelected');
+exports.documentIsModified = Symbol('mongoose#Document#isModified');
+exports.documentModifiedPaths = Symbol('mongoose#Document#modifiedPaths');
+exports.documentSchemaSymbol = Symbol('mongoose#Document#schema');
+exports.getSymbol = Symbol('mongoose#Document#get');
+exports.modelSymbol = Symbol('mongoose#Model');
+exports.objectIdSymbol = Symbol('mongoose#ObjectId');
+exports.populateModelSymbol = Symbol('mongoose.PopulateOptions#Model');
+exports.schemaTypeSymbol = Symbol('mongoose#schemaType');
+exports.sessionNewDocuments = Symbol('mongoose:ClientSession#newDocuments');
+exports.scopeSymbol = Symbol('mongoose#Document#scope');
+exports.validatorErrorSymbol = Symbol('mongoose:validatorError');
diff --git a/node_modules/mongoose/lib/helpers/timers.js b/node_modules/mongoose/lib/helpers/timers.js
new file mode 100644
index 000000000..eb7e6453f
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/timers.js
@@ -0,0 +1,3 @@
+'use strict';
+
+exports.setTimeout = setTimeout;
diff --git a/node_modules/mongoose/lib/helpers/timestamps/setDocumentTimestamps.js b/node_modules/mongoose/lib/helpers/timestamps/setDocumentTimestamps.js
new file mode 100644
index 000000000..c1b6d5fc2
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/timestamps/setDocumentTimestamps.js
@@ -0,0 +1,26 @@
+'use strict';
+
+module.exports = function setDocumentTimestamps(doc, timestampOption, currentTime, createdAt, updatedAt) {
+  const skipUpdatedAt = timestampOption != null && timestampOption.updatedAt === false;
+  const skipCreatedAt = timestampOption != null && timestampOption.createdAt === false;
+
+  const defaultTimestamp = currentTime != null ?
+    currentTime() :
+    doc.ownerDocument().constructor.base.now();
+
+  if (!skipCreatedAt &&
+      (doc.isNew || doc.$isSubdocument) &&
+      createdAt &&
+      !doc.$__getValue(createdAt) &&
+      doc.$__isSelected(createdAt)) {
+    doc.$set(createdAt, defaultTimestamp, undefined, { overwriteImmutable: true });
+  }
+
+  if (!skipUpdatedAt && updatedAt && (doc.isNew || doc.$isModified())) {
+    let ts = defaultTimestamp;
+    if (doc.isNew && createdAt != null) {
+      ts = doc.$__getValue(createdAt);
+    }
+    doc.$set(updatedAt, ts);
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/timestamps/setupTimestamps.js b/node_modules/mongoose/lib/helpers/timestamps/setupTimestamps.js
new file mode 100644
index 000000000..06c57ea74
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/timestamps/setupTimestamps.js
@@ -0,0 +1,101 @@
+'use strict';
+
+const applyTimestampsToChildren = require('../update/applyTimestampsToChildren');
+const applyTimestampsToUpdate = require('../update/applyTimestampsToUpdate');
+const get = require('../get');
+const handleTimestampOption = require('../schema/handleTimestampOption');
+const setDocumentTimestamps = require('./setDocumentTimestamps');
+const symbols = require('../../schema/symbols');
+
+module.exports = function setupTimestamps(schema, timestamps) {
+  const childHasTimestamp = schema.childSchemas.find(withTimestamp);
+  function withTimestamp(s) {
+    const ts = s.schema.options.timestamps;
+    return !!ts;
+  }
+
+  if (!timestamps && !childHasTimestamp) {
+    return;
+  }
+
+  const createdAt = handleTimestampOption(timestamps, 'createdAt');
+  const updatedAt = handleTimestampOption(timestamps, 'updatedAt');
+  const currentTime = timestamps != null && timestamps.hasOwnProperty('currentTime') ?
+    timestamps.currentTime :
+    null;
+  const schemaAdditions = {};
+
+  schema.$timestamps = { createdAt: createdAt, updatedAt: updatedAt };
+
+  if (updatedAt && !schema.paths[updatedAt]) {
+    schemaAdditions[updatedAt] = Date;
+  }
+
+  if (createdAt && !schema.paths[createdAt]) {
+    const baseImmutableCreatedAt = schema.base.get('timestamps.createdAt.immutable');
+    const immutable = baseImmutableCreatedAt != null ? baseImmutableCreatedAt : true;
+    schemaAdditions[createdAt] = { [schema.options.typeKey || 'type']: Date, immutable };
+  }
+
+  schema.add(schemaAdditions);
+
+  schema.pre('save', function(next) {
+    const timestampOption = get(this, '$__.saveOptions.timestamps');
+    if (timestampOption === false) {
+      return next();
+    }
+
+    setDocumentTimestamps(this, timestampOption, currentTime, createdAt, updatedAt);
+
+    next();
+  });
+
+  schema.methods.initializeTimestamps = function() {
+    const ts = currentTime != null ?
+      currentTime() :
+      this.constructor.base.now();
+    if (createdAt && !this.get(createdAt)) {
+      this.$set(createdAt, ts);
+    }
+    if (updatedAt && !this.get(updatedAt)) {
+      this.$set(updatedAt, ts);
+    }
+
+    if (this.$isSubdocument) {
+      return this;
+    }
+
+    const subdocs = this.$getAllSubdocs();
+    for (const subdoc of subdocs) {
+      if (subdoc.initializeTimestamps) {
+        subdoc.initializeTimestamps();
+      }
+    }
+
+    return this;
+  };
+
+  _setTimestampsOnUpdate[symbols.builtInMiddleware] = true;
+
+  const opts = { query: true, model: false };
+  schema.pre('findOneAndReplace', opts, _setTimestampsOnUpdate);
+  schema.pre('findOneAndUpdate', opts, _setTimestampsOnUpdate);
+  schema.pre('replaceOne', opts, _setTimestampsOnUpdate);
+  schema.pre('update', opts, _setTimestampsOnUpdate);
+  schema.pre('updateOne', opts, _setTimestampsOnUpdate);
+  schema.pre('updateMany', opts, _setTimestampsOnUpdate);
+
+  function _setTimestampsOnUpdate(next) {
+    const now = currentTime != null ?
+      currentTime() :
+      this.model.base.now();
+    // Replacing with null update should still trigger timestamps
+    if (this.op === 'findOneAndReplace' && this.getUpdate() == null) {
+      this.setUpdate({});
+    }
+    applyTimestampsToUpdate(now, createdAt, updatedAt, this.getUpdate(),
+      this.options, this.schema);
+    applyTimestampsToChildren(now, this.getUpdate(), this.model.schema);
+    next();
+  }
+};
diff --git a/node_modules/mongoose/lib/helpers/topology/allServersUnknown.js b/node_modules/mongoose/lib/helpers/topology/allServersUnknown.js
new file mode 100644
index 000000000..45c40ba4d
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/topology/allServersUnknown.js
@@ -0,0 +1,12 @@
+'use strict';
+
+const getConstructorName = require('../getConstructorName');
+
+module.exports = function allServersUnknown(topologyDescription) {
+  if (getConstructorName(topologyDescription) !== 'TopologyDescription') {
+    return false;
+  }
+
+  const servers = Array.from(topologyDescription.servers.values());
+  return servers.length > 0 && servers.every(server => server.type === 'Unknown');
+};
diff --git a/node_modules/mongoose/lib/helpers/topology/isAtlas.js b/node_modules/mongoose/lib/helpers/topology/isAtlas.js
new file mode 100644
index 000000000..445a8b49c
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/topology/isAtlas.js
@@ -0,0 +1,31 @@
+'use strict';
+
+const getConstructorName = require('../getConstructorName');
+
+/**
+ * @typedef { import('mongodb').TopologyDescription } TopologyDescription
+ */
+
+/**
+ * Checks if topologyDescription contains servers connected to an atlas instance
+ *
+ * @param  {TopologyDescription} topologyDescription
+ * @returns {boolean}
+ */
+module.exports = function isAtlas(topologyDescription) {
+  if (getConstructorName(topologyDescription) !== 'TopologyDescription') {
+    return false;
+  }
+
+  if (topologyDescription.servers.size === 0) {
+    return false;
+  }
+
+  for (const server of topologyDescription.servers.values()) {
+    if (server.host.endsWith('.mongodb.net') === false || server.port !== 27017) {
+      return false;
+    }
+  }
+
+  return true;
+};
diff --git a/node_modules/mongoose/lib/helpers/topology/isSSLError.js b/node_modules/mongoose/lib/helpers/topology/isSSLError.js
new file mode 100644
index 000000000..17c1c5010
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/topology/isSSLError.js
@@ -0,0 +1,16 @@
+'use strict';
+
+const getConstructorName = require('../getConstructorName');
+
+const nonSSLMessage = 'Client network socket disconnected before secure TLS ' +
+  'connection was established';
+
+module.exports = function isSSLError(topologyDescription) {
+  if (getConstructorName(topologyDescription) !== 'TopologyDescription') {
+    return false;
+  }
+
+  const descriptions = Array.from(topologyDescription.servers.values());
+  return descriptions.length > 0 &&
+    descriptions.every(descr => descr.error && descr.error.message.indexOf(nonSSLMessage) !== -1);
+};
diff --git a/node_modules/mongoose/lib/helpers/update/applyTimestampsToChildren.js b/node_modules/mongoose/lib/helpers/update/applyTimestampsToChildren.js
new file mode 100644
index 000000000..5b8e7deb5
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/update/applyTimestampsToChildren.js
@@ -0,0 +1,193 @@
+'use strict';
+
+const cleanPositionalOperators = require('../schema/cleanPositionalOperators');
+const handleTimestampOption = require('../schema/handleTimestampOption');
+
+module.exports = applyTimestampsToChildren;
+
+/*!
+ * ignore
+ */
+
+function applyTimestampsToChildren(now, update, schema) {
+  if (update == null) {
+    return;
+  }
+
+  const keys = Object.keys(update);
+  const hasDollarKey = keys.some(key => key[0] === '$');
+
+  if (hasDollarKey) {
+    if (update.$push) {
+      _applyTimestampToUpdateOperator(update.$push);
+    }
+    if (update.$addToSet) {
+      _applyTimestampToUpdateOperator(update.$addToSet);
+    }
+    if (update.$set != null) {
+      const keys = Object.keys(update.$set);
+      for (const key of keys) {
+        applyTimestampsToUpdateKey(schema, key, update.$set, now);
+      }
+    }
+    if (update.$setOnInsert != null) {
+      const keys = Object.keys(update.$setOnInsert);
+      for (const key of keys) {
+        applyTimestampsToUpdateKey(schema, key, update.$setOnInsert, now);
+      }
+    }
+  }
+
+  const updateKeys = Object.keys(update).filter(key => key[0] !== '$');
+  for (const key of updateKeys) {
+    applyTimestampsToUpdateKey(schema, key, update, now);
+  }
+
+  function _applyTimestampToUpdateOperator(op) {
+    for (const key of Object.keys(op)) {
+      const $path = schema.path(key.replace(/\.\$\./i, '.').replace(/.\$$/, ''));
+      if (op[key] &&
+          $path &&
+          $path.$isMongooseDocumentArray &&
+          $path.schema.options.timestamps) {
+        const timestamps = $path.schema.options.timestamps;
+        const createdAt = handleTimestampOption(timestamps, 'createdAt');
+        const updatedAt = handleTimestampOption(timestamps, 'updatedAt');
+        if (op[key].$each) {
+          op[key].$each.forEach(function(subdoc) {
+            if (updatedAt != null) {
+              subdoc[updatedAt] = now;
+            }
+            if (createdAt != null) {
+              subdoc[createdAt] = now;
+            }
+
+            applyTimestampsToChildren(now, subdoc, $path.schema);
+          });
+        } else {
+          if (updatedAt != null) {
+            op[key][updatedAt] = now;
+          }
+          if (createdAt != null) {
+            op[key][createdAt] = now;
+          }
+
+          applyTimestampsToChildren(now, op[key], $path.schema);
+        }
+      }
+    }
+  }
+}
+
+function applyTimestampsToDocumentArray(arr, schematype, now) {
+  const timestamps = schematype.schema.options.timestamps;
+
+  const len = arr.length;
+
+  if (!timestamps) {
+    for (let i = 0; i < len; ++i) {
+      applyTimestampsToChildren(now, arr[i], schematype.schema);
+    }
+    return;
+  }
+
+  const createdAt = handleTimestampOption(timestamps, 'createdAt');
+  const updatedAt = handleTimestampOption(timestamps, 'updatedAt');
+  for (let i = 0; i < len; ++i) {
+    if (updatedAt != null) {
+      arr[i][updatedAt] = now;
+    }
+    if (createdAt != null) {
+      arr[i][createdAt] = now;
+    }
+
+    applyTimestampsToChildren(now, arr[i], schematype.schema);
+  }
+}
+
+function applyTimestampsToSingleNested(subdoc, schematype, now) {
+  const timestamps = schematype.schema.options.timestamps;
+  if (!timestamps) {
+    applyTimestampsToChildren(now, subdoc, schematype.schema);
+    return;
+  }
+
+  const createdAt = handleTimestampOption(timestamps, 'createdAt');
+  const updatedAt = handleTimestampOption(timestamps, 'updatedAt');
+  if (updatedAt != null) {
+    subdoc[updatedAt] = now;
+  }
+  if (createdAt != null) {
+    subdoc[createdAt] = now;
+  }
+
+  applyTimestampsToChildren(now, subdoc, schematype.schema);
+}
+
+function applyTimestampsToUpdateKey(schema, key, update, now) {
+  // Replace positional operator `$` and array filters `$[]` and `$[.*]`
+  const keyToSearch = cleanPositionalOperators(key);
+  const path = schema.path(keyToSearch);
+  if (!path) {
+    return;
+  }
+
+  const parentSchemaTypes = [];
+  const pieces = keyToSearch.split('.');
+  for (let i = pieces.length - 1; i > 0; --i) {
+    const s = schema.path(pieces.slice(0, i).join('.'));
+    if (s != null &&
+      (s.$isMongooseDocumentArray || s.$isSingleNested)) {
+      parentSchemaTypes.push({ parentPath: key.split('.').slice(0, i).join('.'), parentSchemaType: s });
+    }
+  }
+
+  if (Array.isArray(update[key]) && path.$isMongooseDocumentArray) {
+    applyTimestampsToDocumentArray(update[key], path, now);
+  } else if (update[key] && path.$isSingleNested) {
+    applyTimestampsToSingleNested(update[key], path, now);
+  } else if (parentSchemaTypes.length > 0) {
+    for (const item of parentSchemaTypes) {
+      const parentPath = item.parentPath;
+      const parentSchemaType = item.parentSchemaType;
+      const timestamps = parentSchemaType.schema.options.timestamps;
+      const updatedAt = handleTimestampOption(timestamps, 'updatedAt');
+
+      if (!timestamps || updatedAt == null) {
+        continue;
+      }
+
+      if (parentSchemaType.$isSingleNested) {
+        // Single nested is easy
+        update[parentPath + '.' + updatedAt] = now;
+      } else if (parentSchemaType.$isMongooseDocumentArray) {
+        let childPath = key.substring(parentPath.length + 1);
+
+        if (/^\d+$/.test(childPath)) {
+          update[parentPath + '.' + childPath][updatedAt] = now;
+          continue;
+        }
+
+        const firstDot = childPath.indexOf('.');
+        childPath = firstDot !== -1 ? childPath.substring(0, firstDot) : childPath;
+
+        update[parentPath + '.' + childPath + '.' + updatedAt] = now;
+      }
+    }
+  } else if (path.schema != null && path.schema != schema && update[key]) {
+    const timestamps = path.schema.options.timestamps;
+    const createdAt = handleTimestampOption(timestamps, 'createdAt');
+    const updatedAt = handleTimestampOption(timestamps, 'updatedAt');
+
+    if (!timestamps) {
+      return;
+    }
+
+    if (updatedAt != null) {
+      update[key][updatedAt] = now;
+    }
+    if (createdAt != null) {
+      update[key][createdAt] = now;
+    }
+  }
+}
diff --git a/node_modules/mongoose/lib/helpers/update/applyTimestampsToUpdate.js b/node_modules/mongoose/lib/helpers/update/applyTimestampsToUpdate.js
new file mode 100644
index 000000000..3c48f965b
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/update/applyTimestampsToUpdate.js
@@ -0,0 +1,117 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+const get = require('../get');
+
+module.exports = applyTimestampsToUpdate;
+
+/*!
+ * ignore
+ */
+
+function applyTimestampsToUpdate(now, createdAt, updatedAt, currentUpdate, options) {
+  const updates = currentUpdate;
+  let _updates = updates;
+  const overwrite = get(options, 'overwrite', false);
+  const timestamps = get(options, 'timestamps', true);
+
+  // Support skipping timestamps at the query level, see gh-6980
+  if (!timestamps || updates == null) {
+    return currentUpdate;
+  }
+
+  const skipCreatedAt = timestamps != null && timestamps.createdAt === false;
+  const skipUpdatedAt = timestamps != null && timestamps.updatedAt === false;
+
+  if (overwrite) {
+    if (currentUpdate && currentUpdate.$set) {
+      currentUpdate = currentUpdate.$set;
+      updates.$set = {};
+      _updates = updates.$set;
+    }
+    if (!skipUpdatedAt && updatedAt && !currentUpdate[updatedAt]) {
+      _updates[updatedAt] = now;
+    }
+    if (!skipCreatedAt && createdAt && !currentUpdate[createdAt]) {
+      _updates[createdAt] = now;
+    }
+    return updates;
+  }
+  currentUpdate = currentUpdate || {};
+
+  if (Array.isArray(updates)) {
+    // Update with aggregation pipeline
+    updates.push({ $set: { [updatedAt]: now } });
+
+    return updates;
+  }
+
+  updates.$set = updates.$set || {};
+  if (!skipUpdatedAt && updatedAt &&
+      (!currentUpdate.$currentDate || !currentUpdate.$currentDate[updatedAt])) {
+    let timestampSet = false;
+    if (updatedAt.indexOf('.') !== -1) {
+      const pieces = updatedAt.split('.');
+      for (let i = 1; i < pieces.length; ++i) {
+        const remnant = pieces.slice(-i).join('.');
+        const start = pieces.slice(0, -i).join('.');
+        if (currentUpdate[start] != null) {
+          currentUpdate[start][remnant] = now;
+          timestampSet = true;
+          break;
+        } else if (currentUpdate.$set && currentUpdate.$set[start]) {
+          currentUpdate.$set[start][remnant] = now;
+          timestampSet = true;
+          break;
+        }
+      }
+    }
+
+    if (!timestampSet) {
+      updates.$set[updatedAt] = now;
+    }
+
+    if (updates.hasOwnProperty(updatedAt)) {
+      delete updates[updatedAt];
+    }
+  }
+
+  if (!skipCreatedAt && createdAt) {
+    if (currentUpdate[createdAt]) {
+      delete currentUpdate[createdAt];
+    }
+    if (currentUpdate.$set && currentUpdate.$set[createdAt]) {
+      delete currentUpdate.$set[createdAt];
+    }
+    let timestampSet = false;
+    if (createdAt.indexOf('.') !== -1) {
+      const pieces = createdAt.split('.');
+      for (let i = 1; i < pieces.length; ++i) {
+        const remnant = pieces.slice(-i).join('.');
+        const start = pieces.slice(0, -i).join('.');
+        if (currentUpdate[start] != null) {
+          currentUpdate[start][remnant] = now;
+          timestampSet = true;
+          break;
+        } else if (currentUpdate.$set && currentUpdate.$set[start]) {
+          currentUpdate.$set[start][remnant] = now;
+          timestampSet = true;
+          break;
+        }
+      }
+    }
+
+    if (!timestampSet) {
+      updates.$setOnInsert = updates.$setOnInsert || {};
+      updates.$setOnInsert[createdAt] = now;
+    }
+  }
+
+  if (Object.keys(updates.$set).length === 0) {
+    delete updates.$set;
+  }
+  return updates;
+}
diff --git a/node_modules/mongoose/lib/helpers/update/castArrayFilters.js b/node_modules/mongoose/lib/helpers/update/castArrayFilters.js
new file mode 100644
index 000000000..76ce94b03
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/update/castArrayFilters.js
@@ -0,0 +1,83 @@
+'use strict';
+
+const castFilterPath = require('../query/castFilterPath');
+const cleanPositionalOperators = require('../schema/cleanPositionalOperators');
+const getPath = require('../schema/getPath');
+const updatedPathsByArrayFilter = require('./updatedPathsByArrayFilter');
+
+module.exports = function castArrayFilters(query) {
+  const arrayFilters = query.options.arrayFilters;
+  const update = query.getUpdate();
+  const schema = query.schema;
+  const updatedPathsByFilter = updatedPathsByArrayFilter(update);
+
+  let strictQuery = schema.options.strict;
+  if (query._mongooseOptions.strict != null) {
+    strictQuery = query._mongooseOptions.strict;
+  }
+  if (query.model && query.model.base.options.strictQuery != null) {
+    strictQuery = query.model.base.options.strictQuery;
+  }
+  if (schema._userProvidedOptions.strictQuery != null) {
+    strictQuery = schema._userProvidedOptions.strictQuery;
+  }
+  if (query._mongooseOptions.strictQuery != null) {
+    strictQuery = query._mongooseOptions.strictQuery;
+  }
+
+  _castArrayFilters(arrayFilters, schema, strictQuery, updatedPathsByFilter, query);
+};
+
+function _castArrayFilters(arrayFilters, schema, strictQuery, updatedPathsByFilter, query) {
+  if (!Array.isArray(arrayFilters)) {
+    return;
+  }
+
+  for (const filter of arrayFilters) {
+    if (filter == null) {
+      throw new Error(`Got null array filter in ${arrayFilters}`);
+    }
+    for (const key of Object.keys(filter)) {
+      if (key === '$and' || key === '$or') {
+        _castArrayFilters(filter[key], schema, strictQuery, updatedPathsByFilter, query);
+        continue;
+      }
+      if (filter[key] == null) {
+        continue;
+      }
+      if (updatedPathsByFilter[key] === null) {
+        continue;
+      }
+      if (Object.keys(updatedPathsByFilter).length === 0) {
+        continue;
+      }
+      const dot = key.indexOf('.');
+      let filterPath = dot === -1 ?
+        updatedPathsByFilter[key] + '.0' :
+        updatedPathsByFilter[key.substring(0, dot)] + '.0' + key.substring(dot);
+      if (filterPath == null) {
+        throw new Error(`Filter path not found for ${key}`);
+      }
+
+      // If there are multiple array filters in the path being updated, make sure
+      // to replace them so we can get the schema path.
+      filterPath = cleanPositionalOperators(filterPath);
+      const schematype = getPath(schema, filterPath);
+      if (schematype == null) {
+        if (!strictQuery) {
+          return;
+        }
+        // For now, treat `strictQuery = true` and `strictQuery = 'throw'` as
+        // equivalent for casting array filters. `strictQuery = true` doesn't
+        // quite work in this context because we never want to silently strip out
+        // array filters, even if the path isn't in the schema.
+        throw new Error(`Could not find path "${filterPath}" in schema`);
+      }
+      if (typeof filter[key] === 'object') {
+        filter[key] = castFilterPath(query, schematype, filter[key]);
+      } else {
+        filter[key] = schematype.castForQuery(filter[key]);
+      }
+    }
+  }
+}
diff --git a/node_modules/mongoose/lib/helpers/update/modifiedPaths.js b/node_modules/mongoose/lib/helpers/update/modifiedPaths.js
new file mode 100644
index 000000000..9cb567d5a
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/update/modifiedPaths.js
@@ -0,0 +1,33 @@
+'use strict';
+
+const _modifiedPaths = require('../common').modifiedPaths;
+
+/**
+ * Given an update document with potential update operators (`$set`, etc.)
+ * returns an object whose keys are the directly modified paths.
+ *
+ * If there are any top-level keys that don't start with `$`, we assume those
+ * will get wrapped in a `$set`. The Mongoose Query is responsible for wrapping
+ * top-level keys in `$set`.
+ *
+ * @param {Object} update
+ * @return {Object} modified
+ */
+
+module.exports = function modifiedPaths(update) {
+  const keys = Object.keys(update);
+  const res = {};
+
+  const withoutDollarKeys = {};
+  for (const key of keys) {
+    if (key.startsWith('$')) {
+      _modifiedPaths(update[key], '', res);
+      continue;
+    }
+    withoutDollarKeys[key] = update[key];
+  }
+
+  _modifiedPaths(withoutDollarKeys, '', res);
+
+  return res;
+};
diff --git a/node_modules/mongoose/lib/helpers/update/moveImmutableProperties.js b/node_modules/mongoose/lib/helpers/update/moveImmutableProperties.js
new file mode 100644
index 000000000..81a62a82c
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/update/moveImmutableProperties.js
@@ -0,0 +1,53 @@
+'use strict';
+
+const get = require('../get');
+
+/**
+ * Given an update, move all $set on immutable properties to $setOnInsert.
+ * This should only be called for upserts, because $setOnInsert bypasses the
+ * strictness check for immutable properties.
+ */
+
+module.exports = function moveImmutableProperties(schema, update, ctx) {
+  if (update == null) {
+    return;
+  }
+
+  const keys = Object.keys(update);
+  for (const key of keys) {
+    const isDollarKey = key.startsWith('$');
+
+    if (key === '$set') {
+      const updatedPaths = Object.keys(update[key]);
+      for (const path of updatedPaths) {
+        _walkUpdatePath(schema, update[key], path, update, ctx);
+      }
+    } else if (!isDollarKey) {
+      _walkUpdatePath(schema, update, key, update, ctx);
+    }
+
+  }
+};
+
+function _walkUpdatePath(schema, op, path, update, ctx) {
+  const schematype = schema.path(path);
+  if (schematype == null) {
+    return;
+  }
+
+  let immutable = get(schematype, 'options.immutable', null);
+  if (immutable == null) {
+    return;
+  }
+  if (typeof immutable === 'function') {
+    immutable = immutable.call(ctx, ctx);
+  }
+
+  if (!immutable) {
+    return;
+  }
+
+  update.$setOnInsert = update.$setOnInsert || {};
+  update.$setOnInsert[path] = op[path];
+  delete op[path];
+}
diff --git a/node_modules/mongoose/lib/helpers/update/removeUnusedArrayFilters.js b/node_modules/mongoose/lib/helpers/update/removeUnusedArrayFilters.js
new file mode 100644
index 000000000..22fa2483b
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/update/removeUnusedArrayFilters.js
@@ -0,0 +1,32 @@
+'use strict';
+
+/**
+ * MongoDB throws an error if there's unused array filters. That is, if `options.arrayFilters` defines
+ * a filter, but none of the `update` keys use it. This should be enough to filter out all unused array
+ * filters.
+ */
+
+module.exports = function removeUnusedArrayFilters(update, arrayFilters) {
+  const updateKeys = Object.keys(update).
+    map(key => Object.keys(update[key])).
+    reduce((cur, arr) => cur.concat(arr), []);
+  return arrayFilters.filter(obj => {
+    return _checkSingleFilterKey(obj, updateKeys);
+  });
+};
+
+function _checkSingleFilterKey(arrayFilter, updateKeys) {
+  const firstKey = Object.keys(arrayFilter)[0];
+
+  if (firstKey === '$and' || firstKey === '$or') {
+    if (!Array.isArray(arrayFilter[firstKey])) {
+      return false;
+    }
+    return arrayFilter[firstKey].find(filter => _checkSingleFilterKey(filter, updateKeys)) != null;
+  }
+
+  const firstDot = firstKey.indexOf('.');
+  const arrayFilterKey = firstDot === -1 ? firstKey : firstKey.slice(0, firstDot);
+
+  return updateKeys.find(key => key.includes('$[' + arrayFilterKey + ']')) != null;
+}
diff --git a/node_modules/mongoose/lib/helpers/update/updatedPathsByArrayFilter.js b/node_modules/mongoose/lib/helpers/update/updatedPathsByArrayFilter.js
new file mode 100644
index 000000000..fe7d3b689
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/update/updatedPathsByArrayFilter.js
@@ -0,0 +1,27 @@
+'use strict';
+
+const modifiedPaths = require('./modifiedPaths');
+
+module.exports = function updatedPathsByArrayFilter(update) {
+  if (update == null) {
+    return {};
+  }
+  const updatedPaths = modifiedPaths(update);
+
+  return Object.keys(updatedPaths).reduce((cur, path) => {
+    const matches = path.match(/\$\[[^\]]+\]/g);
+    if (matches == null) {
+      return cur;
+    }
+    for (const match of matches) {
+      const firstMatch = path.indexOf(match);
+      if (firstMatch !== path.lastIndexOf(match)) {
+        throw new Error(`Path '${path}' contains the same array filter multiple times`);
+      }
+      cur[match.substring(2, match.length - 1)] = path.
+        substring(0, firstMatch - 1).
+        replace(/\$\[[^\]]+\]/g, '0');
+    }
+    return cur;
+  }, {});
+};
diff --git a/node_modules/mongoose/lib/helpers/updateValidators.js b/node_modules/mongoose/lib/helpers/updateValidators.js
new file mode 100644
index 000000000..176eff26e
--- /dev/null
+++ b/node_modules/mongoose/lib/helpers/updateValidators.js
@@ -0,0 +1,249 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const ValidationError = require('../error/validation');
+const cleanPositionalOperators = require('./schema/cleanPositionalOperators');
+const flatten = require('./common').flatten;
+const modifiedPaths = require('./common').modifiedPaths;
+
+/**
+ * Applies validators and defaults to update and findOneAndUpdate operations,
+ * specifically passing a null doc as `this` to validators and defaults
+ *
+ * @param {Query} query
+ * @param {Schema} schema
+ * @param {Object} castedDoc
+ * @param {Object} options
+ * @method runValidatorsOnUpdate
+ * @api private
+ */
+
+module.exports = function(query, schema, castedDoc, options, callback) {
+  const keys = Object.keys(castedDoc || {});
+  let updatedKeys = {};
+  let updatedValues = {};
+  const isPull = {};
+  const arrayAtomicUpdates = {};
+  const numKeys = keys.length;
+  let hasDollarUpdate = false;
+  const modified = {};
+  let currentUpdate;
+  let key;
+  let i;
+
+  for (i = 0; i < numKeys; ++i) {
+    if (keys[i].startsWith('$')) {
+      hasDollarUpdate = true;
+      if (keys[i] === '$push' || keys[i] === '$addToSet') {
+        const _keys = Object.keys(castedDoc[keys[i]]);
+        for (let ii = 0; ii < _keys.length; ++ii) {
+          currentUpdate = castedDoc[keys[i]][_keys[ii]];
+          if (currentUpdate && currentUpdate.$each) {
+            arrayAtomicUpdates[_keys[ii]] = (arrayAtomicUpdates[_keys[ii]] || []).
+              concat(currentUpdate.$each);
+          } else {
+            arrayAtomicUpdates[_keys[ii]] = (arrayAtomicUpdates[_keys[ii]] || []).
+              concat([currentUpdate]);
+          }
+        }
+        continue;
+      }
+      modifiedPaths(castedDoc[keys[i]], '', modified);
+      const flat = flatten(castedDoc[keys[i]], null, null, schema);
+      const paths = Object.keys(flat);
+      const numPaths = paths.length;
+      for (let j = 0; j < numPaths; ++j) {
+        const updatedPath = cleanPositionalOperators(paths[j]);
+        key = keys[i];
+        // With `$pull` we might flatten `$in`. Skip stuff nested under `$in`
+        // for the rest of the logic, it will get handled later.
+        if (updatedPath.includes('$')) {
+          continue;
+        }
+        if (key === '$set' || key === '$setOnInsert' ||
+            key === '$pull' || key === '$pullAll') {
+          updatedValues[updatedPath] = flat[paths[j]];
+          isPull[updatedPath] = key === '$pull' || key === '$pullAll';
+        } else if (key === '$unset') {
+          updatedValues[updatedPath] = undefined;
+        }
+        updatedKeys[updatedPath] = true;
+      }
+    }
+  }
+
+  if (!hasDollarUpdate) {
+    modifiedPaths(castedDoc, '', modified);
+    updatedValues = flatten(castedDoc, null, null, schema);
+    updatedKeys = Object.keys(updatedValues);
+  }
+
+  const updates = Object.keys(updatedValues);
+  const numUpdates = updates.length;
+  const validatorsToExecute = [];
+  const validationErrors = [];
+
+  const alreadyValidated = [];
+
+  const context = query;
+  function iter(i, v) {
+    const schemaPath = schema._getSchema(updates[i]);
+    if (schemaPath == null) {
+      return;
+    }
+    if (schemaPath.instance === 'Mixed' && schemaPath.path !== updates[i]) {
+      return;
+    }
+
+    if (v && Array.isArray(v.$in)) {
+      v.$in.forEach((v, i) => {
+        validatorsToExecute.push(function(callback) {
+          schemaPath.doValidate(
+            v,
+            function(err) {
+              if (err) {
+                err.path = updates[i] + '.$in.' + i;
+                validationErrors.push(err);
+              }
+              callback(null);
+            },
+            context,
+            { updateValidator: true });
+        });
+      });
+    } else {
+      if (isPull[updates[i]] &&
+          schemaPath.$isMongooseArray) {
+        return;
+      }
+
+      if (schemaPath.$isMongooseDocumentArrayElement && v != null && v.$__ != null) {
+        alreadyValidated.push(updates[i]);
+        validatorsToExecute.push(function(callback) {
+          schemaPath.doValidate(v, function(err) {
+            if (err) {
+              if (err.errors) {
+                for (const key of Object.keys(err.errors)) {
+                  const _err = err.errors[key];
+                  _err.path = updates[i] + '.' + key;
+                  validationErrors.push(_err);
+                }
+              } else {
+                err.path = updates[i];
+                validationErrors.push(err);
+              }
+            }
+
+            return callback(null);
+          }, context, { updateValidator: true });
+        });
+      } else {
+        validatorsToExecute.push(function(callback) {
+          for (const path of alreadyValidated) {
+            if (updates[i].startsWith(path + '.')) {
+              return callback(null);
+            }
+          }
+
+          schemaPath.doValidate(v, function(err) {
+            if (schemaPath.schema != null &&
+                schemaPath.schema.options.storeSubdocValidationError === false &&
+                err instanceof ValidationError) {
+              return callback(null);
+            }
+
+            if (err) {
+              err.path = updates[i];
+              validationErrors.push(err);
+            }
+            callback(null);
+          }, context, { updateValidator: true });
+        });
+      }
+    }
+  }
+  for (i = 0; i < numUpdates; ++i) {
+    iter(i, updatedValues[updates[i]]);
+  }
+
+  const arrayUpdates = Object.keys(arrayAtomicUpdates);
+  for (const arrayUpdate of arrayUpdates) {
+    let schemaPath = schema._getSchema(arrayUpdate);
+    if (schemaPath && schemaPath.$isMongooseDocumentArray) {
+      validatorsToExecute.push(function(callback) {
+        schemaPath.doValidate(
+          arrayAtomicUpdates[arrayUpdate],
+          getValidationCallback(arrayUpdate, validationErrors, callback),
+          options && options.context === 'query' ? query : null);
+      });
+    } else {
+      schemaPath = schema._getSchema(arrayUpdate + '.0');
+      for (const atomicUpdate of arrayAtomicUpdates[arrayUpdate]) {
+        validatorsToExecute.push(function(callback) {
+          schemaPath.doValidate(
+            atomicUpdate,
+            getValidationCallback(arrayUpdate, validationErrors, callback),
+            options && options.context === 'query' ? query : null,
+            { updateValidator: true });
+        });
+      }
+    }
+  }
+
+  if (callback != null) {
+    let numValidators = validatorsToExecute.length;
+    if (numValidators === 0) {
+      return _done(callback);
+    }
+    for (const validator of validatorsToExecute) {
+      validator(function() {
+        if (--numValidators <= 0) {
+          _done(callback);
+        }
+      });
+    }
+
+    return;
+  }
+
+  return function(callback) {
+    let numValidators = validatorsToExecute.length;
+    if (numValidators === 0) {
+      return _done(callback);
+    }
+    for (const validator of validatorsToExecute) {
+      validator(function() {
+        if (--numValidators <= 0) {
+          _done(callback);
+        }
+      });
+    }
+  };
+
+  function _done(callback) {
+    if (validationErrors.length) {
+      const err = new ValidationError(null);
+
+      for (const validationError of validationErrors) {
+        err.addError(validationError.path, validationError);
+      }
+
+      return callback(err);
+    }
+    callback(null);
+  }
+
+  function getValidationCallback(arrayUpdate, validationErrors, callback) {
+    return function(err) {
+      if (err) {
+        err.path = arrayUpdate;
+        validationErrors.push(err);
+      }
+      callback(null);
+    };
+  }
+};
+
diff --git a/node_modules/mongoose/lib/index.js b/node_modules/mongoose/lib/index.js
new file mode 100644
index 000000000..4bc62f656
--- /dev/null
+++ b/node_modules/mongoose/lib/index.js
@@ -0,0 +1,1282 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+require('./driver').set(require('./drivers/node-mongodb-native'));
+
+const Document = require('./document');
+const EventEmitter = require('events').EventEmitter;
+const Kareem = require('kareem');
+const Schema = require('./schema');
+const SchemaType = require('./schematype');
+const SchemaTypes = require('./schema/index');
+const VirtualType = require('./virtualtype');
+const STATES = require('./connectionstate');
+const VALID_OPTIONS = require('./validoptions');
+const Types = require('./types');
+const Query = require('./query');
+const Model = require('./model');
+const applyPlugins = require('./helpers/schema/applyPlugins');
+const driver = require('./driver');
+const promiseOrCallback = require('./helpers/promiseOrCallback');
+const legacyPluralize = require('./helpers/pluralize');
+const utils = require('./utils');
+const pkg = require('../package.json');
+const cast = require('./cast');
+const removeSubdocs = require('./plugins/removeSubdocs');
+const saveSubdocs = require('./plugins/saveSubdocs');
+const trackTransaction = require('./plugins/trackTransaction');
+const validateBeforeSave = require('./plugins/validateBeforeSave');
+
+const Aggregate = require('./aggregate');
+const PromiseProvider = require('./promise_provider');
+const shardingPlugin = require('./plugins/sharding');
+const trusted = require('./helpers/query/trusted').trusted;
+const sanitizeFilter = require('./helpers/query/sanitizeFilter');
+const isBsonType = require('./helpers/isBsonType');
+const MongooseError = require('./error/mongooseError');
+
+const defaultMongooseSymbol = Symbol.for('mongoose:default');
+
+require('./helpers/printJestWarning');
+
+const objectIdHexRegexp = /^[0-9A-Fa-f]{24}$/;
+
+/**
+ * Mongoose constructor.
+ *
+ * The exports object of the `mongoose` module is an instance of this class.
+ * Most apps will only use this one instance.
+ *
+ * #### Example:
+ *
+ *     const mongoose = require('mongoose');
+ *     mongoose instanceof mongoose.Mongoose; // true
+ *
+ *     // Create a new Mongoose instance with its own `connect()`, `set()`, `model()`, etc.
+ *     const m = new mongoose.Mongoose();
+ *
+ * @api public
+ * @param {Object} options see [`Mongoose#set()` docs](/docs/api/mongoose.html#mongoose_Mongoose-set)
+ */
+function Mongoose(options) {
+  this.connections = [];
+  this.models = {};
+  this.events = new EventEmitter();
+  this.__driver = driver.get();
+  // default global options
+  this.options = Object.assign({
+    pluralization: true,
+    autoIndex: true,
+    autoCreate: true
+  }, options);
+  const conn = this.createConnection(); // default connection
+  conn.models = this.models;
+
+  if (this.options.pluralization) {
+    this._pluralize = legacyPluralize;
+  }
+
+  // If a user creates their own Mongoose instance, give them a separate copy
+  // of the `Schema` constructor so they get separate custom types. (gh-6933)
+  if (!options || !options[defaultMongooseSymbol]) {
+    const _this = this;
+    this.Schema = function() {
+      this.base = _this;
+      return Schema.apply(this, arguments);
+    };
+    this.Schema.prototype = Object.create(Schema.prototype);
+
+    Object.assign(this.Schema, Schema);
+    this.Schema.base = this;
+    this.Schema.Types = Object.assign({}, Schema.Types);
+  } else {
+    // Hack to work around babel's strange behavior with
+    // `import mongoose, { Schema } from 'mongoose'`. Because `Schema` is not
+    // an own property of a Mongoose global, Schema will be undefined. See gh-5648
+    for (const key of ['Schema', 'model']) {
+      this[key] = Mongoose.prototype[key];
+    }
+  }
+  this.Schema.prototype.base = this;
+
+  Object.defineProperty(this, 'plugins', {
+    configurable: false,
+    enumerable: true,
+    writable: false,
+    value: [
+      [saveSubdocs, { deduplicate: true }],
+      [validateBeforeSave, { deduplicate: true }],
+      [shardingPlugin, { deduplicate: true }],
+      [removeSubdocs, { deduplicate: true }],
+      [trackTransaction, { deduplicate: true }]
+    ]
+  });
+}
+
+Mongoose.prototype.cast = cast;
+/**
+ * Expose connection states for user-land
+ *
+ * @memberOf Mongoose
+ * @property STATES
+ * @api public
+ */
+Mongoose.prototype.STATES = STATES;
+
+/**
+ * Expose connection states for user-land
+ *
+ * @memberOf Mongoose
+ * @property ConnectionStates
+ * @api public
+ */
+Mongoose.prototype.ConnectionStates = STATES;
+
+/**
+ * Object with `get()` and `set()` containing the underlying driver this Mongoose instance
+ * uses to communicate with the database. A driver is a Mongoose-specific interface that defines functions
+ * like `find()`.
+ *
+ * @deprecated
+ * @memberOf Mongoose
+ * @property driver
+ * @api public
+ */
+
+Mongoose.prototype.driver = driver;
+
+/**
+ * Overwrites the current driver used by this Mongoose instance. A driver is a
+ * Mongoose-specific interface that defines functions like `find()`.
+ *
+ * @memberOf Mongoose
+ * @method setDriver
+ * @api public
+ */
+
+Mongoose.prototype.setDriver = function setDriver(driver) {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+
+  if (_mongoose.__driver === driver) {
+    return _mongoose;
+  }
+
+  const openConnection = _mongoose.connections && _mongoose.connections.find(conn => conn.readyState !== STATES.disconnected);
+  if (openConnection) {
+    const msg = 'Cannot modify Mongoose driver if a connection is already open. ' +
+      'Call `mongoose.disconnect()` before modifying the driver';
+    throw new MongooseError(msg);
+  }
+  _mongoose.__driver = driver;
+
+  const Connection = driver.getConnection();
+  _mongoose.connections = [new Connection(_mongoose)];
+  _mongoose.connections[0].models = _mongoose.models;
+
+  return _mongoose;
+};
+
+/**
+ * Sets mongoose options
+ *
+ * #### Example:
+ *
+ *     mongoose.set('test', value) // sets the 'test' option to `value`
+ *
+ *     mongoose.set('debug', true) // enable logging collection methods + arguments to the console/file
+ *
+ *     mongoose.set('debug', function(collectionName, methodName, ...methodArgs) {}); // use custom function to log collection methods + arguments
+ *
+ * Currently supported options are:
+ * - 'applyPluginsToChildSchemas': `true` by default. Set to false to skip applying global plugins to child schemas
+ * - 'applyPluginsToDiscriminators': `false` by default. Set to true to apply global plugins to discriminator schemas. This typically isn't necessary because plugins are applied to the base schema and discriminators copy all middleware, methods, statics, and properties from the base schema.
+ * - 'autoCreate': Set to `true` to make Mongoose call [`Model.createCollection()`](/docs/api/model.html#model_Model-createCollection) automatically when you create a model with `mongoose.model()` or `conn.model()`. This is useful for testing transactions, change streams, and other features that require the collection to exist.
+ * - 'autoIndex': `true` by default. Set to false to disable automatic index creation for all models associated with this Mongoose instance.
+ * - 'debug': If `true`, prints the operations mongoose sends to MongoDB to the console. If a writable stream is passed, it will log to that stream, without colorization. If a callback function is passed, it will receive the collection name, the method name, then all arguments passed to the method. For example, if you wanted to replicate the default logging, you could output from the callback `Mongoose: ${collectionName}.${methodName}(${methodArgs.join(', ')})`.
+ * - 'returnOriginal': If `false`, changes the default `returnOriginal` option to `findOneAndUpdate()`, `findByIdAndUpdate`, and `findOneAndReplace()` to false. This is equivalent to setting the `new` option to `true` for `findOneAndX()` calls by default. Read our [`findOneAndUpdate()` tutorial](/docs/tutorials/findoneandupdate.html) for more information.
+ * - 'bufferCommands': enable/disable mongoose's buffering mechanism for all connections and models
+ * - 'cloneSchemas': `false` by default. Set to `true` to `clone()` all schemas before compiling into a model.
+ * - 'debug': If `true`, prints the operations mongoose sends to MongoDB to the console. If a writable stream is passed, it will log to that stream, without colorization. If a callback function is passed, it will receive the collection name, the method name, then all arugments passed to the method. For example, if you wanted to replicate the default logging, you could output from the callback `Mongoose: ${collectionName}.${methodName}(${methodArgs.join(', ')})`.
+ * - 'timestamps.createdAt.immutable': `true` by default. If `false`, it will change the `createdAt` field to be [`immutable: false`](https://mongoosejs.com/docs/api/schematype.html#schematype_SchemaType-immutable) which means you can update the `createdAt`
+ * - 'maxTimeMS': If set, attaches [maxTimeMS](https://docs.mongodb.com/manual/reference/operator/meta/maxTimeMS/) to every query
+ * - 'objectIdGetter': `true` by default. Mongoose adds a getter to MongoDB ObjectId's called `_id` that returns `this` for convenience with populate. Set this to false to remove the getter.
+ * - 'overwriteModels': Set to `true` to default to overwriting models with the same name when calling `mongoose.model()`, as opposed to throwing an `OverwriteModelError`.
+ * - 'returnOriginal': If `false`, changes the default `returnOriginal` option to `findOneAndUpdate()`, `findByIdAndUpdate`, and `findOneAndReplace()` to false. This is equivalent to setting the `new` option to `true` for `findOneAndX()` calls by default. Read our [`findOneAndUpdate()` tutorial](/docs/tutorials/findoneandupdate.html) for more information.
+ * - 'runValidators': `false` by default. Set to true to enable [update validators](/docs/validation.html#update-validators) for all validators by default.
+ * - 'sanitizeFilter': `false` by default. Set to true to enable the [sanitization of the query filters](/docs/api.html#mongoose_Mongoose-sanitizeFilter) against query selector injection attacks by wrapping any nested objects that have a property whose name starts with `$` in a `$eq`.
+ * - 'selectPopulatedPaths': `true` by default. Set to false to opt out of Mongoose adding all fields that you `populate()` to your `select()`. The schema-level option `selectPopulatedPaths` overwrites this one.
+ * - 'strict': `true` by default, may be `false`, `true`, or `'throw'`. Sets the default strict mode for schemas.
+ * - 'strictQuery': same value as 'strict' by default (`true`), may be `false`, `true`, or `'throw'`. Sets the default [strictQuery](/docs/guide.html#strictQuery) mode for schemas.
+ * - 'toJSON': `{ transform: true, flattenDecimals: true }` by default. Overwrites default objects to [`toJSON()`](/docs/api.html#document_Document-toJSON), for determining how Mongoose documents get serialized by `JSON.stringify()`
+ * - 'toObject': `{ transform: true, flattenDecimals: true }` by default. Overwrites default objects to [`toObject()`](/docs/api.html#document_Document-toObject)
+ *
+ * @param {String} key
+ * @param {String|Function|Boolean} value
+ * @api public
+ */
+
+Mongoose.prototype.set = function(key, value) {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+
+  if (VALID_OPTIONS.indexOf(key) === -1) {
+    throw new Error(`\`${key}\` is an invalid option.`);
+  }
+
+  if (arguments.length === 1) {
+    return _mongoose.options[key];
+  }
+
+  _mongoose.options[key] = value;
+
+  if (key === 'objectIdGetter') {
+    if (value) {
+      Object.defineProperty(mongoose.Types.ObjectId.prototype, '_id', {
+        enumerable: false,
+        configurable: true,
+        get: function() {
+          return this;
+        }
+      });
+    } else {
+      delete mongoose.Types.ObjectId.prototype._id;
+    }
+  }
+
+  return _mongoose;
+};
+
+/**
+ * Gets mongoose options
+ *
+ * #### Example:
+ *
+ *     mongoose.get('test') // returns the 'test' value
+ *
+ * @param {String} key
+ * @method get
+ * @api public
+ */
+
+Mongoose.prototype.get = Mongoose.prototype.set;
+
+/**
+ * Creates a Connection instance.
+ *
+ * Each `connection` instance maps to a single database. This method is helpful when managing multiple db connections.
+ *
+ *
+ * _Options passed take precedence over options included in connection strings._
+ *
+ * #### Example:
+ *
+ *     // with mongodb:// URI
+ *     db = mongoose.createConnection('mongodb://user:pass@localhost:port/database');
+ *
+ *     // and options
+ *     const opts = { db: { native_parser: true }}
+ *     db = mongoose.createConnection('mongodb://user:pass@localhost:port/database', opts);
+ *
+ *     // replica sets
+ *     db = mongoose.createConnection('mongodb://user:pass@localhost:port,anotherhost:port,yetanother:port/database');
+ *
+ *     // and options
+ *     const opts = { replset: { strategy: 'ping', rs_name: 'testSet' }}
+ *     db = mongoose.createConnection('mongodb://user:pass@localhost:port,anotherhost:port,yetanother:port/database', opts);
+ *
+ *     // and options
+ *     const opts = { server: { auto_reconnect: false }, user: 'username', pass: 'mypassword' }
+ *     db = mongoose.createConnection('localhost', 'database', port, opts)
+ *
+ *     // initialize now, connect later
+ *     db = mongoose.createConnection();
+ *     db.openUri('localhost', 'database', port, [opts]);
+ *
+ * @param {String} uri mongodb URI to connect to
+ * @param {Object} [options] passed down to the [MongoDB driver's `connect()` function](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/MongoClientOptions.html), except for 4 mongoose-specific options explained below.
+ * @param {Boolean} [options.bufferCommands=true] Mongoose specific option. Set to false to [disable buffering](https://mongoosejs.com/docs/faq.html#callback_never_executes) on all models associated with this connection.
+ * @param {String} [options.dbName] The name of the database you want to use. If not provided, Mongoose uses the database name from connection string.
+ * @param {String} [options.user] username for authentication, equivalent to `options.auth.user`. Maintained for backwards compatibility.
+ * @param {String} [options.pass] password for authentication, equivalent to `options.auth.password`. Maintained for backwards compatibility.
+ * @param {Boolean} [options.autoIndex=true] Mongoose-specific option. Set to false to disable automatic index creation for all models associated with this connection.
+ * @param {Class} [options.promiseLibrary] Sets the [underlying driver's promise library](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/MongoClientOptions.html#promiseLibrary).
+ * @param {Number} [options.maxPoolSize=5] The maximum number of sockets the MongoDB driver will keep open for this connection. Keep in mind that MongoDB only allows one operation per socket at a time, so you may want to increase this if you find you have a few slow queries that are blocking faster queries from proceeding. See [Slow Trains in MongoDB and Node.js](https://thecodebarbarian.com/slow-trains-in-mongodb-and-nodejs).
+ * @param {Number} [options.minPoolSize=1] The minimum number of sockets the MongoDB driver will keep open for this connection. Keep in mind that MongoDB only allows one operation per socket at a time, so you may want to increase this if you find you have a few slow queries that are blocking faster queries from proceeding. See [Slow Trains in MongoDB and Node.js](https://thecodebarbarian.com/slow-trains-in-mongodb-and-nodejs).
+ * @param {Number} [options.connectTimeoutMS=30000] How long the MongoDB driver will wait before killing a socket due to inactivity _during initial connection_. Defaults to 30000. This option is passed transparently to [Node.js' `socket#setTimeout()` function](https://nodejs.org/api/net.html#net_socket_settimeout_timeout_callback).
+ * @param {Number} [options.socketTimeoutMS=30000] How long the MongoDB driver will wait before killing a socket due to inactivity _after initial connection_. A socket may be inactive because of either no activity or a long-running operation. This is set to `30000` by default, you should set this to 2-3x your longest running operation if you expect some of your database operations to run longer than 20 seconds. This option is passed to [Node.js `socket#setTimeout()` function](https://nodejs.org/api/net.html#net_socket_settimeout_timeout_callback) after the MongoDB driver successfully completes.
+ * @param {Number} [options.family=0] Passed transparently to [Node.js' `dns.lookup()`](https://nodejs.org/api/dns.html#dns_dns_lookup_hostname_options_callback) function. May be either `0`, `4`, or `6`. `4` means use IPv4 only, `6` means use IPv6 only, `0` means try both.
+ * @return {Connection} the created Connection object. Connections are not thenable, so you can't do `await mongoose.createConnection()`. To await use `mongoose.createConnection(uri).asPromise()` instead.
+ * @api public
+ */
+
+Mongoose.prototype.createConnection = function(uri, options, callback) {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+
+  const Connection = _mongoose.__driver.getConnection();
+  const conn = new Connection(_mongoose);
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+  _mongoose.connections.push(conn);
+  _mongoose.events.emit('createConnection', conn);
+
+  if (arguments.length > 0) {
+    conn.openUri(uri, options, callback);
+  }
+
+  return conn;
+};
+
+/**
+ * Opens the default mongoose connection.
+ *
+ * #### Example:
+ *
+ *     mongoose.connect('mongodb://user:pass@localhost:port/database');
+ *
+ *     // replica sets
+ *     const uri = 'mongodb://user:pass@localhost:port,anotherhost:port,yetanother:port/mydatabase';
+ *     mongoose.connect(uri);
+ *
+ *     // with options
+ *     mongoose.connect(uri, options);
+ *
+ *     // optional callback that gets fired when initial connection completed
+ *     const uri = 'mongodb://nonexistent.domain:27000';
+ *     mongoose.connect(uri, function(error) {
+ *       // if error is truthy, the initial connection failed.
+ *     })
+ *
+ * @param {String} uri mongodb URI to connect to
+ * @param {Object} [options] passed down to the [MongoDB driver's `connect()` function](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/MongoClientOptions.html), except for 4 mongoose-specific options explained below.
+ * @param {Boolean} [options.bufferCommands=true] Mongoose specific option. Set to false to [disable buffering](https://mongoosejs.com/docs/faq.html#callback_never_executes) on all models associated with this connection.
+ * @param {Number} [options.bufferTimeoutMS=10000] Mongoose specific option. If `bufferCommands` is true, Mongoose will throw an error after `bufferTimeoutMS` if the operation is still buffered.
+ * @param {String} [options.dbName] The name of the database we want to use. If not provided, use database name from connection string.
+ * @param {String} [options.user] username for authentication, equivalent to `options.auth.user`. Maintained for backwards compatibility.
+ * @param {String} [options.pass] password for authentication, equivalent to `options.auth.password`. Maintained for backwards compatibility.
+ * @param {Number} [options.maxPoolSize=100] The maximum number of sockets the MongoDB driver will keep open for this connection. Keep in mind that MongoDB only allows one operation per socket at a time, so you may want to increase this if you find you have a few slow queries that are blocking faster queries from proceeding. See [Slow Trains in MongoDB and Node.js](https://thecodebarbarian.com/slow-trains-in-mongodb-and-nodejs).
+ * @param {Number} [options.minPoolSize=0] The minimum number of sockets the MongoDB driver will keep open for this connection.
+ * @param {Number} [options.serverSelectionTimeoutMS] If `useUnifiedTopology = true`, the MongoDB driver will try to find a server to send any given operation to, and keep retrying for `serverSelectionTimeoutMS` milliseconds before erroring out. If not set, the MongoDB driver defaults to using `30000` (30 seconds).
+ * @param {Number} [options.heartbeatFrequencyMS] If `useUnifiedTopology = true`, the MongoDB driver sends a heartbeat every `heartbeatFrequencyMS` to check on the status of the connection. A heartbeat is subject to `serverSelectionTimeoutMS`, so the MongoDB driver will retry failed heartbeats for up to 30 seconds by default. Mongoose only emits a `'disconnected'` event after a heartbeat has failed, so you may want to decrease this setting to reduce the time between when your server goes down and when Mongoose emits `'disconnected'`. We recommend you do **not** set this setting below 1000, too many heartbeats can lead to performance degradation.
+ * @param {Boolean} [options.autoIndex=true] Mongoose-specific option. Set to false to disable automatic index creation for all models associated with this connection.
+ * @param {Class} [options.promiseLibrary] Sets the [underlying driver's promise library](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/MongoClientOptions.html#promiseLibrary).
+ * @param {Number} [options.connectTimeoutMS=30000] How long the MongoDB driver will wait before killing a socket due to inactivity _during initial connection_. Defaults to 30000. This option is passed transparently to [Node.js' `socket#setTimeout()` function](https://nodejs.org/api/net.html#net_socket_settimeout_timeout_callback).
+ * @param {Number} [options.socketTimeoutMS=30000] How long the MongoDB driver will wait before killing a socket due to inactivity _after initial connection_. A socket may be inactive because of either no activity or a long-running operation. This is set to `30000` by default, you should set this to 2-3x your longest running operation if you expect some of your database operations to run longer than 20 seconds. This option is passed to [Node.js `socket#setTimeout()` function](https://nodejs.org/api/net.html#net_socket_settimeout_timeout_callback) after the MongoDB driver successfully completes.
+ * @param {Number} [options.family=0] Passed transparently to [Node.js' `dns.lookup()`](https://nodejs.org/api/dns.html#dns_dns_lookup_hostname_options_callback) function. May be either `0`, `4`, or `6`. `4` means use IPv4 only, `6` means use IPv6 only, `0` means try both.
+ * @param {Boolean} [options.autoCreate=false] Set to `true` to make Mongoose automatically call `createCollection()` on every model created on this connection.
+ * @param {Function} [callback]
+ * @see Mongoose#createConnection /docs/api.html#mongoose_Mongoose-createConnection
+ * @api public
+ * @return {Promise} resolves to `this` if connection succeeded
+ */
+
+Mongoose.prototype.connect = function(uri, options, callback) {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+  const conn = _mongoose.connection;
+
+  return _mongoose._promiseOrCallback(callback, cb => {
+    conn.openUri(uri, options, err => {
+      if (err != null) {
+        return cb(err);
+      }
+      return cb(null, _mongoose);
+    });
+  });
+};
+
+/**
+ * Runs `.close()` on all connections in parallel.
+ *
+ * @param {Function} [callback] called after all connection close, or when first error occurred.
+ * @return {Promise} resolves when all connections are closed, or rejects with the first error that occurred.
+ * @api public
+ */
+
+Mongoose.prototype.disconnect = function(callback) {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+
+  return _mongoose._promiseOrCallback(callback, cb => {
+    let remaining = _mongoose.connections.length;
+    if (remaining <= 0) {
+      return cb(null);
+    }
+    _mongoose.connections.forEach(conn => {
+      conn.close(function(error) {
+        if (error) {
+          return cb(error);
+        }
+        if (!--remaining) {
+          cb(null);
+        }
+      });
+    });
+  });
+};
+
+/**
+ * _Requires MongoDB >= 3.6.0._ Starts a [MongoDB session](https://docs.mongodb.com/manual/release-notes/3.6/#client-sessions)
+ * for benefits like causal consistency, [retryable writes](https://docs.mongodb.com/manual/core/retryable-writes/),
+ * and [transactions](https://thecodebarbarian.com/a-node-js-perspective-on-mongodb-4-transactions.html).
+ *
+ * Calling `mongoose.startSession()` is equivalent to calling `mongoose.connection.startSession()`.
+ * Sessions are scoped to a connection, so calling `mongoose.startSession()`
+ * starts a session on the [default mongoose connection](/docs/api.html#mongoose_Mongoose-connection).
+ *
+ * @param {Object} [options] see the [mongodb driver options](https://mongodb.github.io/node-mongodb-native/4.9/classes/MongoClient.html#startSession)
+ * @param {Boolean} [options.causalConsistency=true] set to false to disable causal consistency
+ * @param {Function} [callback]
+ * @return {Promise<ClientSession>} promise that resolves to a MongoDB driver `ClientSession`
+ * @api public
+ */
+
+Mongoose.prototype.startSession = function() {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+
+  return _mongoose.connection.startSession.apply(_mongoose.connection, arguments);
+};
+
+/**
+ * Getter/setter around function for pluralizing collection names.
+ *
+ * @param {Function|null} [fn] overwrites the function used to pluralize collection names
+ * @return {Function|null} the current function used to pluralize collection names, defaults to the legacy function from `mongoose-legacy-pluralize`.
+ * @api public
+ */
+
+Mongoose.prototype.pluralize = function(fn) {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+
+  if (arguments.length > 0) {
+    _mongoose._pluralize = fn;
+  }
+  return _mongoose._pluralize;
+};
+
+/**
+ * Defines a model or retrieves it.
+ *
+ * Models defined on the `mongoose` instance are available to all connection
+ * created by the same `mongoose` instance.
+ *
+ * If you call `mongoose.model()` with twice the same name but a different schema,
+ * you will get an `OverwriteModelError`. If you call `mongoose.model()` with
+ * the same name and same schema, you'll get the same schema back.
+ *
+ * #### Example:
+ *
+ *     const mongoose = require('mongoose');
+ *
+ *     // define an Actor model with this mongoose instance
+ *     const schema = new Schema({ name: String });
+ *     mongoose.model('Actor', schema);
+ *
+ *     // create a new connection
+ *     const conn = mongoose.createConnection(..);
+ *
+ *     // create Actor model
+ *     const Actor = conn.model('Actor', schema);
+ *     conn.model('Actor') === Actor; // true
+ *     conn.model('Actor', schema) === Actor; // true, same schema
+ *     conn.model('Actor', schema, 'actors') === Actor; // true, same schema and collection name
+ *
+ *     // This throws an `OverwriteModelError` because the schema is different.
+ *     conn.model('Actor', new Schema({ name: String }));
+ *
+ * _When no `collection` argument is passed, Mongoose uses the model name. If you don't like this behavior, either pass a collection name, use `mongoose.pluralize()`, or set your schemas collection name option._
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ name: String }, { collection: 'actor' });
+ *
+ *     // or
+ *
+ *     schema.set('collection', 'actor');
+ *
+ *     // or
+ *
+ *     const collectionName = 'actor'
+ *     const M = mongoose.model('Actor', schema, collectionName)
+ *
+ * @param {String|Function} name model name or class extending Model
+ * @param {Schema} [schema] the schema to use.
+ * @param {String} [collection] name (optional, inferred from model name)
+ * @return {Model} The model associated with `name`. Mongoose will create the model if it doesn't already exist.
+ * @api public
+ */
+
+Mongoose.prototype.model = function(name, schema, collection, options) {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+
+  if (typeof schema === 'string') {
+    collection = schema;
+    schema = false;
+  }
+
+  if (arguments.length === 1) {
+    const model = _mongoose.models[name];
+    if (!model) {
+      throw new MongooseError.MissingSchemaError(name);
+    }
+    return model;
+  }
+
+  if (utils.isObject(schema) && !(schema instanceof Schema)) {
+    schema = new Schema(schema);
+  }
+  if (schema && !(schema instanceof Schema)) {
+    throw new Error('The 2nd parameter to `mongoose.model()` should be a ' +
+      'schema or a POJO');
+  }
+
+  // handle internal options from connection.model()
+  options = options || {};
+
+  const originalSchema = schema;
+  if (schema) {
+    if (_mongoose.get('cloneSchemas')) {
+      schema = schema.clone();
+    }
+    _mongoose._applyPlugins(schema);
+  }
+
+  // connection.model() may be passing a different schema for
+  // an existing model name. in this case don't read from cache.
+  const overwriteModels = _mongoose.options.hasOwnProperty('overwriteModels') ?
+    _mongoose.options.overwriteModels :
+    options.overwriteModels;
+  if (_mongoose.models.hasOwnProperty(name) && options.cache !== false && overwriteModels !== true) {
+    if (originalSchema &&
+        originalSchema.instanceOfSchema &&
+        originalSchema !== _mongoose.models[name].schema) {
+      throw new _mongoose.Error.OverwriteModelError(name);
+    }
+    if (collection && collection !== _mongoose.models[name].collection.name) {
+      // subclass current model with alternate collection
+      const model = _mongoose.models[name];
+      schema = model.prototype.schema;
+      const sub = model.__subclass(_mongoose.connection, schema, collection);
+      // do not cache the sub model
+      return sub;
+    }
+    return _mongoose.models[name];
+  }
+  if (schema == null) {
+    throw new _mongoose.Error.MissingSchemaError(name);
+  }
+
+  const model = _mongoose._model(name, schema, collection, options);
+  _mongoose.connection.models[name] = model;
+  _mongoose.models[name] = model;
+
+  return model;
+};
+
+/*!
+ * ignore
+ */
+
+Mongoose.prototype._model = function(name, schema, collection, options) {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+
+  let model;
+  if (typeof name === 'function') {
+    model = name;
+    name = model.name;
+    if (!(model.prototype instanceof Model)) {
+      throw new _mongoose.Error('The provided class ' + name + ' must extend Model');
+    }
+  }
+
+  if (schema) {
+    if (_mongoose.get('cloneSchemas')) {
+      schema = schema.clone();
+    }
+    _mongoose._applyPlugins(schema);
+  }
+
+  // Apply relevant "global" options to the schema
+  if (schema == null || !('pluralization' in schema.options)) {
+    schema.options.pluralization = _mongoose.options.pluralization;
+  }
+
+  if (!collection) {
+    collection = schema.get('collection') ||
+      utils.toCollectionName(name, _mongoose.pluralize());
+  }
+
+  const connection = options.connection || _mongoose.connection;
+  model = _mongoose.Model.compile(model || name, schema, collection, connection, _mongoose);
+  // Errors handled internally, so safe to ignore error
+  model.init(function $modelInitNoop() {});
+
+  connection.emit('model', model);
+
+  if (schema._applyDiscriminators != null) {
+    for (const disc of Object.keys(schema._applyDiscriminators)) {
+      model.discriminator(disc, schema._applyDiscriminators[disc]);
+    }
+  }
+
+  return model;
+};
+
+/**
+ * Removes the model named `name` from the default connection, if it exists.
+ * You can use this function to clean up any models you created in your tests to
+ * prevent OverwriteModelErrors.
+ *
+ * Equivalent to `mongoose.connection.deleteModel(name)`.
+ *
+ * #### Example:
+ *
+ *     mongoose.model('User', new Schema({ name: String }));
+ *     console.log(mongoose.model('User')); // Model object
+ *     mongoose.deleteModel('User');
+ *     console.log(mongoose.model('User')); // undefined
+ *
+ *     // Usually useful in a Mocha `afterEach()` hook
+ *     afterEach(function() {
+ *       mongoose.deleteModel(/.+/); // Delete every model
+ *     });
+ *
+ * @api public
+ * @param {String|RegExp} name if string, the name of the model to remove. If regexp, removes all models whose name matches the regexp.
+ * @return {Mongoose} this
+ */
+
+Mongoose.prototype.deleteModel = function(name) {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+
+  _mongoose.connection.deleteModel(name);
+  delete _mongoose.models[name];
+  return _mongoose;
+};
+
+/**
+ * Returns an array of model names created on this instance of Mongoose.
+ *
+ * #### Note:
+ *
+ * _Does not include names of models created using `connection.model()`._
+ *
+ * @api public
+ * @return {Array}
+ */
+
+Mongoose.prototype.modelNames = function() {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+
+  const names = Object.keys(_mongoose.models);
+  return names;
+};
+
+/**
+ * Applies global plugins to `schema`.
+ *
+ * @param {Schema} schema
+ * @api private
+ */
+
+Mongoose.prototype._applyPlugins = function(schema, options) {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+
+  options = options || {};
+  options.applyPluginsToDiscriminators = _mongoose.options && _mongoose.options.applyPluginsToDiscriminators || false;
+  options.applyPluginsToChildSchemas = typeof (_mongoose.options && _mongoose.options.applyPluginsToDiscriminators) === 'boolean' ? _mongoose.options.applyPluginsToDiscriminators : true;
+  applyPlugins(schema, _mongoose.plugins, options, '$globalPluginsApplied');
+};
+
+/**
+ * Declares a global plugin executed on all Schemas.
+ *
+ * Equivalent to calling `.plugin(fn)` on each Schema you create.
+ *
+ * @param {Function} fn plugin callback
+ * @param {Object} [opts] optional options
+ * @return {Mongoose} this
+ * @see plugins /docs/plugins
+ * @api public
+ */
+
+Mongoose.prototype.plugin = function(fn, opts) {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+
+  _mongoose.plugins.push([fn, opts]);
+  return _mongoose;
+};
+
+/**
+ * The Mongoose module's default connection. Equivalent to `mongoose.connections[0]`, see [`connections`](#mongoose_Mongoose-connections).
+ *
+ * #### Example:
+ *
+ *     const mongoose = require('mongoose');
+ *     mongoose.connect(...);
+ *     mongoose.connection.on('error', cb);
+ *
+ * This is the connection used by default for every model created using [mongoose.model](#index_Mongoose-model).
+ *
+ * To create a new connection, use [`createConnection()`](#mongoose_Mongoose-createConnection).
+ *
+ * @memberOf Mongoose
+ * @instance
+ * @property {Connection} connection
+ * @api public
+ */
+
+Mongoose.prototype.__defineGetter__('connection', function() {
+  return this.connections[0];
+});
+
+Mongoose.prototype.__defineSetter__('connection', function(v) {
+  if (v instanceof this.__driver.getConnection()) {
+    this.connections[0] = v;
+    this.models = v.models;
+  }
+});
+
+/**
+ * An array containing all [connections](connections.html) associated with this
+ * Mongoose instance. By default, there is 1 connection. Calling
+ * [`createConnection()`](#mongoose_Mongoose-createConnection) adds a connection
+ * to this array.
+ *
+ * #### Example:
+ *
+ *     const mongoose = require('mongoose');
+ *     mongoose.connections.length; // 1, just the default connection
+ *     mongoose.connections[0] === mongoose.connection; // true
+ *
+ *     mongoose.createConnection('mongodb://localhost:27017/test');
+ *     mongoose.connections.length; // 2
+ *
+ * @memberOf Mongoose
+ * @instance
+ * @property {Array} connections
+ * @api public
+ */
+
+Mongoose.prototype.connections;
+
+/**
+ * The Mongoose Aggregate constructor
+ *
+ * @method Aggregate
+ * @api public
+ */
+
+Mongoose.prototype.Aggregate = Aggregate;
+
+/**
+ * The Mongoose Collection constructor
+ *
+ * @memberOf Mongoose
+ * @instance
+ * @method Collection
+ * @api public
+ */
+
+Object.defineProperty(Mongoose.prototype, 'Collection', {
+  get: function() {
+    return this.__driver.Collection;
+  },
+  set: function(Collection) {
+    this.__driver.Collection = Collection;
+  }
+});
+
+/**
+ * The Mongoose [Connection](#connection_Connection) constructor
+ *
+ * @memberOf Mongoose
+ * @instance
+ * @method Connection
+ * @api public
+ */
+
+Object.defineProperty(Mongoose.prototype, 'Connection', {
+  get: function() {
+    return this.__driver.getConnection();
+  },
+  set: function(Connection) {
+    if (Connection === this.__driver.getConnection()) {
+      return;
+    }
+
+    this.__driver.getConnection = () => Connection;
+  }
+});
+
+/**
+ * The Mongoose version
+ *
+ * #### Example:
+ *
+ *     console.log(mongoose.version); // '5.x.x'
+ *
+ * @property version
+ * @api public
+ */
+
+Mongoose.prototype.version = pkg.version;
+
+/**
+ * The Mongoose constructor
+ *
+ * The exports of the mongoose module is an instance of this class.
+ *
+ * #### Example:
+ *
+ *     const mongoose = require('mongoose');
+ *     const mongoose2 = new mongoose.Mongoose();
+ *
+ * @method Mongoose
+ * @api public
+ */
+
+Mongoose.prototype.Mongoose = Mongoose;
+
+/**
+ * The Mongoose [Schema](#schema_Schema) constructor
+ *
+ * #### Example:
+ *
+ *     const mongoose = require('mongoose');
+ *     const Schema = mongoose.Schema;
+ *     const CatSchema = new Schema(..);
+ *
+ * @method Schema
+ * @api public
+ */
+
+Mongoose.prototype.Schema = Schema;
+
+/**
+ * The Mongoose [SchemaType](#schematype_SchemaType) constructor
+ *
+ * @method SchemaType
+ * @api public
+ */
+
+Mongoose.prototype.SchemaType = SchemaType;
+
+/**
+ * The various Mongoose SchemaTypes.
+ *
+ * #### Note:
+ *
+ * _Alias of mongoose.Schema.Types for backwards compatibility._
+ *
+ * @property SchemaTypes
+ * @see Schema.SchemaTypes /docs/schematypes
+ * @api public
+ */
+
+Mongoose.prototype.SchemaTypes = Schema.Types;
+
+/**
+ * The Mongoose [VirtualType](#virtualtype_VirtualType) constructor
+ *
+ * @method VirtualType
+ * @api public
+ */
+
+Mongoose.prototype.VirtualType = VirtualType;
+
+/**
+ * The various Mongoose Types.
+ *
+ * #### Example:
+ *
+ *     const mongoose = require('mongoose');
+ *     const array = mongoose.Types.Array;
+ *
+ * #### Types:
+ *
+ * - [Array](/docs/schematypes.html#arrays)
+ * - [Buffer](/docs/schematypes.html#buffers)
+ * - [Embedded](/docs/schematypes.html#schemas)
+ * - [DocumentArray](/docs/api/documentarraypath.html)
+ * - [Decimal128](/docs/api.html#mongoose_Mongoose-Decimal128)
+ * - [ObjectId](/docs/schematypes.html#objectids)
+ * - [Map](/docs/schematypes.html#maps)
+ * - [Subdocument](/docs/schematypes.html#schemas)
+ *
+ * Using this exposed access to the `ObjectId` type, we can construct ids on demand.
+ *
+ *     const ObjectId = mongoose.Types.ObjectId;
+ *     const id1 = new ObjectId;
+ *
+ * @property Types
+ * @api public
+ */
+
+Mongoose.prototype.Types = Types;
+
+/**
+ * The Mongoose [Query](#query_Query) constructor.
+ *
+ * @method Query
+ * @api public
+ */
+
+Mongoose.prototype.Query = Query;
+
+/**
+ * The Mongoose [Promise](#promise_Promise) constructor.
+ *
+ * @memberOf Mongoose
+ * @instance
+ * @property Promise
+ * @api public
+ */
+
+Object.defineProperty(Mongoose.prototype, 'Promise', {
+  get: function() {
+    return PromiseProvider.get();
+  },
+  set: function(lib) {
+    PromiseProvider.set(lib);
+  }
+});
+
+/**
+ * Storage layer for mongoose promises
+ *
+ * @method PromiseProvider
+ * @api public
+ */
+
+Mongoose.prototype.PromiseProvider = PromiseProvider;
+
+/**
+ * The Mongoose [Model](#model_Model) constructor.
+ *
+ * @method Model
+ * @api public
+ */
+
+Mongoose.prototype.Model = Model;
+
+/**
+ * The Mongoose [Document](/docs/api.html#Document) constructor.
+ *
+ * @method Document
+ * @api public
+ */
+
+Mongoose.prototype.Document = Document;
+
+/**
+ * The Mongoose DocumentProvider constructor. Mongoose users should not have to
+ * use this directly
+ *
+ * @method DocumentProvider
+ * @api public
+ */
+
+Mongoose.prototype.DocumentProvider = require('./document_provider');
+
+/**
+ * The Mongoose ObjectId [SchemaType](/docs/schematypes.html). Used for
+ * declaring paths in your schema that should be
+ * [MongoDB ObjectIds](https://docs.mongodb.com/manual/reference/method/ObjectId/).
+ * Do not use this to create a new ObjectId instance, use `mongoose.Types.ObjectId`
+ * instead.
+ *
+ * #### Example:
+ *
+ *     const childSchema = new Schema({ parentId: mongoose.ObjectId });
+ *
+ * @property ObjectId
+ * @api public
+ */
+
+Mongoose.prototype.ObjectId = SchemaTypes.ObjectId;
+
+/**
+ * Returns true if Mongoose can cast the given value to an ObjectId, or
+ * false otherwise.
+ *
+ * #### Example:
+ *
+ *     mongoose.isValidObjectId(new mongoose.Types.ObjectId()); // true
+ *     mongoose.isValidObjectId('0123456789ab'); // true
+ *     mongoose.isValidObjectId(6); // true
+ *     mongoose.isValidObjectId(new User({ name: 'test' })); // true
+ *
+ *     mongoose.isValidObjectId({ test: 42 }); // false
+ *
+ * @method isValidObjectId
+ * @param {Any} v
+ * @returns {boolean} true if `v` is something Mongoose can coerce to an ObjectId
+ * @api public
+ */
+
+Mongoose.prototype.isValidObjectId = function(v) {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+  return _mongoose.Types.ObjectId.isValid(v);
+};
+
+/**
+ * Returns true if the given value is a Mongoose ObjectId (using `instanceof`) or if the
+ * given value is a 24 character hex string, which is the most commonly used string representation
+ * of an ObjectId.
+ *
+ * This function is similar to `isValidObjectId()`, but considerably more strict, because
+ * `isValidObjectId()` will return `true` for _any_ value that Mongoose can convert to an
+ * ObjectId. That includes Mongoose documents, any string of length 12, and any number.
+ * `isObjectIdOrHexString()` returns true only for `ObjectId` instances or 24 character hex
+ * strings, and will return false for numbers, documents, and strings of length 12.
+ *
+ * #### Example:
+ *
+ *     mongoose.isObjectIdOrHexString(new mongoose.Types.ObjectId()); // true
+ *     mongoose.isObjectIdOrHexString('62261a65d66c6be0a63c051f'); // true
+ *
+ *     mongoose.isObjectIdOrHexString('0123456789ab'); // false
+ *     mongoose.isObjectIdOrHexString(6); // false
+ *     mongoose.isObjectIdOrHexString(new User({ name: 'test' })); // false
+ *     mongoose.isObjectIdOrHexString({ test: 42 }); // false
+ *
+ * @method isObjectIdOrHexString
+ * @param {Any} v
+ * @returns {boolean} true if `v` is an ObjectId instance _or_ a 24 char hex string
+ * @api public
+ */
+
+Mongoose.prototype.isObjectIdOrHexString = function(v) {
+  return isBsonType(v, 'ObjectID') || (typeof v === 'string' && objectIdHexRegexp.test(v));
+};
+
+/**
+ *
+ * Syncs all the indexes for the models registered with this connection.
+ *
+ * @param {Object} options
+ * @param {Boolean} options.continueOnError `false` by default. If set to `true`, mongoose will not throw an error if one model syncing failed, and will return an object where the keys are the names of the models, and the values are the results/errors for each model.
+ * @return {Promise} Returns a Promise, when the Promise resolves the value is a list of the dropped indexes.
+ */
+Mongoose.prototype.syncIndexes = function(options) {
+  const _mongoose = this instanceof Mongoose ? this : mongoose;
+  return _mongoose.connection.syncIndexes(options);
+};
+
+/**
+ * The Mongoose Decimal128 [SchemaType](/docs/schematypes.html). Used for
+ * declaring paths in your schema that should be
+ * [128-bit decimal floating points](https://thecodebarbarian.com/a-nodejs-perspective-on-mongodb-34-decimal.html).
+ * Do not use this to create a new Decimal128 instance, use `mongoose.Types.Decimal128`
+ * instead.
+ *
+ * #### Example:
+ *
+ *     const vehicleSchema = new Schema({ fuelLevel: mongoose.Decimal128 });
+ *
+ * @property Decimal128
+ * @api public
+ */
+
+Mongoose.prototype.Decimal128 = SchemaTypes.Decimal128;
+
+/**
+ * The Mongoose Mixed [SchemaType](/docs/schematypes.html). Used for
+ * declaring paths in your schema that Mongoose's change tracking, casting,
+ * and validation should ignore.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ arbitrary: mongoose.Mixed });
+ *
+ * @property Mixed
+ * @api public
+ */
+
+Mongoose.prototype.Mixed = SchemaTypes.Mixed;
+
+/**
+ * The Mongoose Date [SchemaType](/docs/schematypes.html).
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ test: Date });
+ *     schema.path('test') instanceof mongoose.Date; // true
+ *
+ * @property Date
+ * @api public
+ */
+
+Mongoose.prototype.Date = SchemaTypes.Date;
+
+/**
+ * The Mongoose Number [SchemaType](/docs/schematypes.html). Used for
+ * declaring paths in your schema that Mongoose should cast to numbers.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ num: mongoose.Number });
+ *     // Equivalent to:
+ *     const schema = new Schema({ num: 'number' });
+ *
+ * @property Number
+ * @api public
+ */
+
+Mongoose.prototype.Number = SchemaTypes.Number;
+
+/**
+ * The [MongooseError](#error_MongooseError) constructor.
+ *
+ * @method Error
+ * @api public
+ */
+
+Mongoose.prototype.Error = require('./error/index');
+
+/**
+ * Mongoose uses this function to get the current time when setting
+ * [timestamps](/docs/guide.html#timestamps). You may stub out this function
+ * using a tool like [Sinon](https://www.npmjs.com/package/sinon) for testing.
+ *
+ * @method now
+ * @returns Date the current time
+ * @api public
+ */
+
+Mongoose.prototype.now = function now() { return new Date(); };
+
+/**
+ * The Mongoose CastError constructor
+ *
+ * @method CastError
+ * @param {String} type The name of the type
+ * @param {Any} value The value that failed to cast
+ * @param {String} path The path `a.b.c` in the doc where this cast error occurred
+ * @param {Error} [reason] The original error that was thrown
+ * @api public
+ */
+
+Mongoose.prototype.CastError = require('./error/cast');
+
+/**
+ * The constructor used for schematype options
+ *
+ * @method SchemaTypeOptions
+ * @api public
+ */
+
+Mongoose.prototype.SchemaTypeOptions = require('./options/SchemaTypeOptions');
+
+/**
+ * The [node-mongodb-native](https://github.com/mongodb/node-mongodb-native) driver Mongoose uses.
+ *
+ * @property mongo
+ * @api public
+ */
+
+Mongoose.prototype.mongo = require('mongodb');
+
+/**
+ * The [mquery](https://github.com/aheckmann/mquery) query builder Mongoose uses.
+ *
+ * @property mquery
+ * @api public
+ */
+
+Mongoose.prototype.mquery = require('mquery');
+
+/**
+ * Sanitizes query filters against [query selector injection attacks](https://thecodebarbarian.com/2014/09/04/defending-against-query-selector-injection-attacks.html)
+ * by wrapping any nested objects that have a property whose name starts with `$` in a `$eq`.
+ *
+ * ```javascript
+ * const obj = { username: 'val', pwd: { $ne: null } };
+ * sanitizeFilter(obj);
+ * obj; // { username: 'val', pwd: { $eq: { $ne: null } } });
+ * ```
+ *
+ * @method sanitizeFilter
+ * @param {Object} filter
+ * @returns Object the sanitized object
+ * @api public
+ */
+
+Mongoose.prototype.sanitizeFilter = sanitizeFilter;
+
+/**
+ * Tells `sanitizeFilter()` to skip the given object when filtering out potential [query selector injection attacks](https://thecodebarbarian.com/2014/09/04/defending-against-query-selector-injection-attacks.html).
+ * Use this method when you have a known query selector that you want to use.
+ *
+ * ```javascript
+ * const obj = { username: 'val', pwd: trusted({ $type: 'string', $eq: 'my secret' }) };
+ * sanitizeFilter(obj);
+ *
+ * // Note that `sanitizeFilter()` did not add `$eq` around `$type`.
+ * obj; // { username: 'val', pwd: { $type: 'string', $eq: 'my secret' } });
+ * ```
+ *
+ * @method trusted
+ * @param {Object} obj
+ * @returns Object the passed in object
+ * @api public
+ */
+
+Mongoose.prototype.trusted = trusted;
+
+/*!
+ * ignore
+ */
+
+Mongoose.prototype._promiseOrCallback = function(callback, fn, ee) {
+  return promiseOrCallback(callback, fn, ee, this.Promise);
+};
+
+/**
+ * Use this function in `pre()` middleware to skip calling the wrapped function.
+ *
+ * #### Example:
+ *
+ *     schema.pre('save', function() {
+ *       // Will skip executing `save()`, but will execute post hooks as if
+ *       // `save()` had executed with the result `{ matchedCount: 0 }`
+ *       return mongoose.skipMiddlewareFunction({ matchedCount: 0 });
+ *     });
+ *
+ * @method skipMiddlewareFunction
+ * @param {any} result
+ * @api public
+ */
+
+Mongoose.prototype.skipMiddlewareFunction = Kareem.skipWrappedFunction;
+
+/**
+ * Use this function in `post()` middleware to replace the result
+ *
+ * #### Example:
+ *
+ *     schema.post('find', function(res) {
+ *       // Normally you have to modify `res` in place. But with
+ *       // `overwriteMiddlewarResult()`, you can make `find()` return a
+ *       // completely different value.
+ *       return mongoose.overwriteMiddlewareResult(res.filter(doc => !doc.isDeleted));
+ *     });
+ *
+ * @method overwriteMiddlewareResult
+ * @param {any} result
+ * @api public
+ */
+
+Mongoose.prototype.overwriteMiddlewareResult = Kareem.overwriteResult;
+
+/**
+ * The exports object is an instance of Mongoose.
+ *
+ * @api private
+ */
+
+const mongoose = module.exports = exports = new Mongoose({
+  [defaultMongooseSymbol]: true
+});
diff --git a/node_modules/mongoose/lib/internal.js b/node_modules/mongoose/lib/internal.js
new file mode 100644
index 000000000..c4445c254
--- /dev/null
+++ b/node_modules/mongoose/lib/internal.js
@@ -0,0 +1,46 @@
+/*!
+ * Dependencies
+ */
+
+'use strict';
+
+const StateMachine = require('./statemachine');
+const ActiveRoster = StateMachine.ctor('require', 'modify', 'init', 'default', 'ignore');
+
+module.exports = exports = InternalCache;
+
+function InternalCache() {
+  this.activePaths = new ActiveRoster();
+}
+
+InternalCache.prototype.strictMode = true;
+
+InternalCache.prototype.fullPath = undefined;
+InternalCache.prototype.selected = undefined;
+InternalCache.prototype.shardval = undefined;
+InternalCache.prototype.saveError = undefined;
+InternalCache.prototype.validationError = undefined;
+InternalCache.prototype.adhocPaths = undefined;
+InternalCache.prototype.removing = undefined;
+InternalCache.prototype.inserting = undefined;
+InternalCache.prototype.saving = undefined;
+InternalCache.prototype.version = undefined;
+InternalCache.prototype._id = undefined;
+InternalCache.prototype.ownerDocument = undefined;
+InternalCache.prototype.populate = undefined; // what we want to populate in this doc
+InternalCache.prototype.populated = undefined;// the _ids that have been populated
+InternalCache.prototype.primitiveAtomics = undefined;
+
+/**
+ * If `false`, this document was not the result of population.
+ * If `true`, this document is a populated doc underneath another doc
+ * If an object, this document is a populated doc and the `value` property of the
+ * object contains the original depopulated value.
+ */
+InternalCache.prototype.wasPopulated = false;
+
+InternalCache.prototype.scope = undefined;
+
+InternalCache.prototype.session = null;
+InternalCache.prototype.pathsToScopes = null;
+InternalCache.prototype.cachedRequired = null;
diff --git a/node_modules/mongoose/lib/model.js b/node_modules/mongoose/lib/model.js
new file mode 100644
index 000000000..1992605aa
--- /dev/null
+++ b/node_modules/mongoose/lib/model.js
@@ -0,0 +1,5234 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const Aggregate = require('./aggregate');
+const ChangeStream = require('./cursor/ChangeStream');
+const Document = require('./document');
+const DocumentNotFoundError = require('./error/notFound');
+const DivergentArrayError = require('./error/divergentArray');
+const EventEmitter = require('events').EventEmitter;
+const MongooseBuffer = require('./types/buffer');
+const MongooseError = require('./error/index');
+const OverwriteModelError = require('./error/overwriteModel');
+const PromiseProvider = require('./promise_provider');
+const Query = require('./query');
+const RemoveOptions = require('./options/removeOptions');
+const SaveOptions = require('./options/saveOptions');
+const Schema = require('./schema');
+const ServerSelectionError = require('./error/serverSelection');
+const ValidationError = require('./error/validation');
+const VersionError = require('./error/version');
+const ParallelSaveError = require('./error/parallelSave');
+const applyDefaultsHelper = require('./helpers/document/applyDefaults');
+const applyDefaultsToPOJO = require('./helpers/model/applyDefaultsToPOJO');
+const applyQueryMiddleware = require('./helpers/query/applyQueryMiddleware');
+const applyHooks = require('./helpers/model/applyHooks');
+const applyMethods = require('./helpers/model/applyMethods');
+const applyProjection = require('./helpers/projection/applyProjection');
+const applySchemaCollation = require('./helpers/indexes/applySchemaCollation');
+const applyStaticHooks = require('./helpers/model/applyStaticHooks');
+const applyStatics = require('./helpers/model/applyStatics');
+const applyWriteConcern = require('./helpers/schema/applyWriteConcern');
+const assignVals = require('./helpers/populate/assignVals');
+const castBulkWrite = require('./helpers/model/castBulkWrite');
+const createPopulateQueryFilter = require('./helpers/populate/createPopulateQueryFilter');
+const getDefaultBulkwriteResult = require('./helpers/getDefaultBulkwriteResult');
+const discriminator = require('./helpers/model/discriminator');
+const firstKey = require('./helpers/firstKey');
+const each = require('./helpers/each');
+const get = require('./helpers/get');
+const getConstructorName = require('./helpers/getConstructorName');
+const getDiscriminatorByValue = require('./helpers/discriminator/getDiscriminatorByValue');
+const getModelsMapForPopulate = require('./helpers/populate/getModelsMapForPopulate');
+const immediate = require('./helpers/immediate');
+const internalToObjectOptions = require('./options').internalToObjectOptions;
+const isDefaultIdIndex = require('./helpers/indexes/isDefaultIdIndex');
+const isIndexEqual = require('./helpers/indexes/isIndexEqual');
+const {
+  getRelatedDBIndexes,
+  getRelatedSchemaIndexes
+} = require('./helpers/indexes/getRelatedIndexes');
+const decorateDiscriminatorIndexOptions = require('./helpers/indexes/decorateDiscriminatorIndexOptions');
+const isPathSelectedInclusive = require('./helpers/projection/isPathSelectedInclusive');
+const leanPopulateMap = require('./helpers/populate/leanPopulateMap');
+const modifiedPaths = require('./helpers/update/modifiedPaths');
+const parallelLimit = require('./helpers/parallelLimit');
+const prepareDiscriminatorPipeline = require('./helpers/aggregate/prepareDiscriminatorPipeline');
+const pushNestedArrayPaths = require('./helpers/model/pushNestedArrayPaths');
+const removeDeselectedForeignField = require('./helpers/populate/removeDeselectedForeignField');
+const setDottedPath = require('./helpers/path/setDottedPath');
+const util = require('util');
+const utils = require('./utils');
+
+const VERSION_WHERE = 1;
+const VERSION_INC = 2;
+const VERSION_ALL = VERSION_WHERE | VERSION_INC;
+
+const arrayAtomicsSymbol = require('./helpers/symbols').arrayAtomicsSymbol;
+const modelCollectionSymbol = Symbol('mongoose#Model#collection');
+const modelDbSymbol = Symbol('mongoose#Model#db');
+const modelSymbol = require('./helpers/symbols').modelSymbol;
+const subclassedSymbol = Symbol('mongoose#Model#subclassed');
+
+const saveToObjectOptions = Object.assign({}, internalToObjectOptions, {
+  bson: true
+});
+
+/**
+ * A Model is a class that's your primary tool for interacting with MongoDB.
+ * An instance of a Model is called a [Document](./api.html#Document).
+ *
+ * In Mongoose, the term "Model" refers to subclasses of the `mongoose.Model`
+ * class. You should not use the `mongoose.Model` class directly. The
+ * [`mongoose.model()`](./api.html#mongoose_Mongoose-model) and
+ * [`connection.model()`](./api.html#connection_Connection-model) functions
+ * create subclasses of `mongoose.Model` as shown below.
+ *
+ * #### Example:
+ *
+ *     // `UserModel` is a "Model", a subclass of `mongoose.Model`.
+ *     const UserModel = mongoose.model('User', new Schema({ name: String }));
+ *
+ *     // You can use a Model to create new documents using `new`:
+ *     const userDoc = new UserModel({ name: 'Foo' });
+ *     await userDoc.save();
+ *
+ *     // You also use a model to create queries:
+ *     const userFromDb = await UserModel.findOne({ name: 'Foo' });
+ *
+ * @param {Object} doc values for initial set
+ * @param {Object} [fields] optional object containing the fields that were selected in the query which returned this document. You do **not** need to set this parameter to ensure Mongoose handles your [query projection](./api.html#query_Query-select).
+ * @param {Boolean} [skipId=false] optional boolean. If true, mongoose doesn't add an `_id` field to the document.
+ * @inherits Document https://mongoosejs.com/docs/api/document.html
+ * @event `error`: If listening to this event, 'error' is emitted when a document was saved without passing a callback and an `error` occurred. If not listening, the event bubbles to the connection used to create this Model.
+ * @event `index`: Emitted after `Model#ensureIndexes` completes. If an error occurred it is passed with the event.
+ * @event `index-single-start`: Emitted when an individual index starts within `Model#ensureIndexes`. The fields and options being used to build the index are also passed with the event.
+ * @event `index-single-done`: Emitted when an individual index finishes within `Model#ensureIndexes`. If an error occurred it is passed with the event. The fields, options, and index name are also passed.
+ * @api public
+ */
+
+function Model(doc, fields, skipId) {
+  if (fields instanceof Schema) {
+    throw new TypeError('2nd argument to `Model` must be a POJO or string, ' +
+      '**not** a schema. Make sure you\'re calling `mongoose.model()`, not ' +
+      '`mongoose.Model()`.');
+  }
+  Document.call(this, doc, fields, skipId);
+}
+
+/**
+ * Inherits from Document.
+ *
+ * All Model.prototype features are available on
+ * top level (non-sub) documents.
+ * @api private
+ */
+
+Object.setPrototypeOf(Model.prototype, Document.prototype);
+Model.prototype.$isMongooseModelPrototype = true;
+
+/**
+ * Connection the model uses.
+ *
+ * @api public
+ * @property db
+ * @memberOf Model
+ * @instance
+ */
+
+Model.prototype.db;
+
+/**
+ * Collection the model uses.
+ *
+ * This property is read-only. Modifying this property is a no-op.
+ *
+ * @api public
+ * @property collection
+ * @memberOf Model
+ * @instance
+ */
+
+Model.prototype.collection;
+
+/**
+ * Internal collection the model uses.
+ *
+ * This property is read-only. Modifying this property is a no-op.
+ *
+ * @api private
+ * @property collection
+ * @memberOf Model
+ * @instance
+ */
+
+
+Model.prototype.$__collection;
+
+/**
+ * The name of the model
+ *
+ * @api public
+ * @property modelName
+ * @memberOf Model
+ * @instance
+ */
+
+Model.prototype.modelName;
+
+/**
+ * Additional properties to attach to the query when calling `save()` and
+ * `isNew` is false.
+ *
+ * @api public
+ * @property $where
+ * @memberOf Model
+ * @instance
+ */
+
+Model.prototype.$where;
+
+/**
+ * If this is a discriminator model, `baseModelName` is the name of
+ * the base model.
+ *
+ * @api public
+ * @property baseModelName
+ * @memberOf Model
+ * @instance
+ */
+
+Model.prototype.baseModelName;
+
+/**
+ * Event emitter that reports any errors that occurred. Useful for global error
+ * handling.
+ *
+ * #### Example:
+ *
+ *     MyModel.events.on('error', err => console.log(err.message));
+ *
+ *     // Prints a 'CastError' because of the above handler
+ *     await MyModel.findOne({ _id: 'Not a valid ObjectId' }).catch(noop);
+ *
+ * @api public
+ * @property events
+ * @fires error whenever any query or model function errors
+ * @memberOf Model
+ * @static
+ */
+
+Model.events;
+
+/**
+ * Compiled middleware for this model. Set in `applyHooks()`.
+ *
+ * @api private
+ * @property _middleware
+ * @memberOf Model
+ * @static
+ */
+
+Model._middleware;
+
+/*!
+ * ignore
+ */
+
+function _applyCustomWhere(doc, where) {
+  if (doc.$where == null) {
+    return;
+  }
+  for (const key of Object.keys(doc.$where)) {
+    where[key] = doc.$where[key];
+  }
+}
+
+/*!
+ * ignore
+ */
+
+Model.prototype.$__handleSave = function(options, callback) {
+  const saveOptions = {};
+
+  applyWriteConcern(this.$__schema, options);
+  if (typeof options.writeConcern !== 'undefined') {
+    saveOptions.writeConcern = {};
+    if ('w' in options.writeConcern) {
+      saveOptions.writeConcern.w = options.writeConcern.w;
+    }
+    if ('j' in options.writeConcern) {
+      saveOptions.writeConcern.j = options.writeConcern.j;
+    }
+    if ('wtimeout' in options.writeConcern) {
+      saveOptions.writeConcern.wtimeout = options.writeConcern.wtimeout;
+    }
+  } else {
+    if ('w' in options) {
+      saveOptions.w = options.w;
+    }
+    if ('j' in options) {
+      saveOptions.j = options.j;
+    }
+    if ('wtimeout' in options) {
+      saveOptions.wtimeout = options.wtimeout;
+    }
+  }
+  if ('checkKeys' in options) {
+    saveOptions.checkKeys = options.checkKeys;
+  }
+  if (!saveOptions.hasOwnProperty('session')) {
+    saveOptions.session = this.$session();
+  }
+
+  if (this.$isNew) {
+    // send entire doc
+    const obj = this.toObject(saveToObjectOptions);
+    if ((obj || {})._id === void 0) {
+      // documents must have an _id else mongoose won't know
+      // what to update later if more changes are made. the user
+      // wouldn't know what _id was generated by mongodb either
+      // nor would the ObjectId generated by mongodb necessarily
+      // match the schema definition.
+      immediate(function() {
+        callback(new MongooseError('document must have an _id before saving'));
+      });
+      return;
+    }
+
+    this.$__version(true, obj);
+    this[modelCollectionSymbol].insertOne(obj, saveOptions, (err, ret) => {
+      if (err) {
+        _setIsNew(this, true);
+
+        callback(err, null);
+        return;
+      }
+
+      callback(null, ret);
+    });
+
+    this.$__reset();
+    _setIsNew(this, false);
+    // Make it possible to retry the insert
+    this.$__.inserting = true;
+
+    return;
+  }
+
+  // Make sure we don't treat it as a new object on error,
+  // since it already exists
+  this.$__.inserting = false;
+
+  const delta = this.$__delta();
+  if (delta) {
+    if (delta instanceof MongooseError) {
+      callback(delta);
+      return;
+    }
+
+    const where = this.$__where(delta[0]);
+    if (where instanceof MongooseError) {
+      callback(where);
+      return;
+    }
+
+    _applyCustomWhere(this, where);
+    this[modelCollectionSymbol].updateOne(where, delta[1], saveOptions, (err, ret) => {
+      if (err) {
+        this.$__undoReset();
+
+        callback(err);
+        return;
+      }
+      ret.$where = where;
+      callback(null, ret);
+    });
+  } else {
+    const optionsWithCustomValues = Object.assign({}, options, saveOptions);
+    const where = this.$__where();
+    const optimisticConcurrency = this.$__schema.options.optimisticConcurrency;
+    if (optimisticConcurrency) {
+      const key = this.$__schema.options.versionKey;
+      const val = this.$__getValue(key);
+      if (val != null) {
+        where[key] = val;
+      }
+    }
+    this.constructor.exists(where, optionsWithCustomValues)
+      .then(documentExists => {
+        const matchedCount = !documentExists ? 0 : 1;
+        callback(null, { $where: where, matchedCount });
+      })
+      .catch(callback);
+    return;
+  }
+
+  // store the modified paths before the document is reset
+  this.$__.modifiedPaths = this.modifiedPaths();
+  this.$__reset();
+
+  _setIsNew(this, false);
+};
+
+/*!
+ * ignore
+ */
+
+Model.prototype.$__save = function(options, callback) {
+  this.$__handleSave(options, (error, result) => {
+    if (error) {
+      const hooks = this.$__schema.s.hooks;
+      return hooks.execPost('save:error', this, [this], { error: error }, (error) => {
+        callback(error, this);
+      });
+    }
+    let numAffected = 0;
+    const writeConcern = options != null ?
+      options.writeConcern != null ?
+        options.writeConcern.w :
+        options.w :
+      0;
+    if (writeConcern !== 0) {
+      // Skip checking if write succeeded if writeConcern is set to
+      // unacknowledged writes, because otherwise `numAffected` will always be 0
+      if (result != null) {
+        if (Array.isArray(result)) {
+          numAffected = result.length;
+        } else if (result.matchedCount != null) {
+          numAffected = result.matchedCount;
+        } else {
+          numAffected = result;
+        }
+      }
+
+      const versionBump = this.$__.version;
+      // was this an update that required a version bump?
+      if (versionBump && !this.$__.inserting) {
+        const doIncrement = VERSION_INC === (VERSION_INC & this.$__.version);
+        this.$__.version = undefined;
+        const key = this.$__schema.options.versionKey;
+        const version = this.$__getValue(key) || 0;
+        if (numAffected <= 0) {
+          // the update failed. pass an error back
+          this.$__undoReset();
+          const err = this.$__.$versionError ||
+            new VersionError(this, version, this.$__.modifiedPaths);
+          return callback(err);
+        }
+
+        // increment version if was successful
+        if (doIncrement) {
+          this.$__setValue(key, version + 1);
+        }
+      }
+      if (result != null && numAffected <= 0) {
+        this.$__undoReset();
+        error = new DocumentNotFoundError(result.$where,
+          this.constructor.modelName, numAffected, result);
+        const hooks = this.$__schema.s.hooks;
+        return hooks.execPost('save:error', this, [this], { error: error }, (error) => {
+          callback(error, this);
+        });
+      }
+    }
+    this.$__.saving = undefined;
+    this.$__.savedState = {};
+    this.$emit('save', this, numAffected);
+    this.constructor.emit('save', this, numAffected);
+    callback(null, this);
+  });
+};
+
+/*!
+ * ignore
+ */
+
+function generateVersionError(doc, modifiedPaths) {
+  const key = doc.$__schema.options.versionKey;
+  if (!key) {
+    return null;
+  }
+  const version = doc.$__getValue(key) || 0;
+  return new VersionError(doc, version, modifiedPaths);
+}
+
+/**
+ * Saves this document by inserting a new document into the database if [document.isNew](/docs/api.html#document_Document-isNew) is `true`,
+ * or sends an [updateOne](/docs/api.html#document_Document-updateOne) operation with just the modified paths if `isNew` is `false`.
+ *
+ * #### Example:
+ *
+ *     product.sold = Date.now();
+ *     product = await product.save();
+ *
+ * If save is successful, the returned promise will fulfill with the document
+ * saved.
+ *
+ * #### Example:
+ *
+ *     const newProduct = await product.save();
+ *     newProduct === product; // true
+ *
+ * @param {Object} [options] options optional options
+ * @param {Session} [options.session=null] the [session](https://docs.mongodb.com/manual/reference/server-sessions/) associated with this save operation. If not specified, defaults to the [document's associated session](api.html#document_Document-$session).
+ * @param {Object} [options.safe] (DEPRECATED) overrides [schema's safe option](https://mongoosejs.com//docs/guide.html#safe). Use the `w` option instead.
+ * @param {Boolean} [options.validateBeforeSave] set to false to save without validating.
+ * @param {Boolean} [options.validateModifiedOnly=false] if `true`, Mongoose will only validate modified paths, as opposed to modified paths and `required` paths.
+ * @param {Number|String} [options.w] set the [write concern](https://docs.mongodb.com/manual/reference/write-concern/#w-option). Overrides the [schema-level `writeConcern` option](/docs/guide.html#writeConcern)
+ * @param {Boolean} [options.j] set to true for MongoDB to wait until this `save()` has been [journaled before resolving the returned promise](https://docs.mongodb.com/manual/reference/write-concern/#j-option). Overrides the [schema-level `writeConcern` option](/docs/guide.html#writeConcern)
+ * @param {Number} [options.wtimeout] sets a [timeout for the write concern](https://docs.mongodb.com/manual/reference/write-concern/#wtimeout). Overrides the [schema-level `writeConcern` option](/docs/guide.html#writeConcern).
+ * @param {Boolean} [options.checkKeys=true] the MongoDB driver prevents you from saving keys that start with '$' or contain '.' by default. Set this option to `false` to skip that check. See [restrictions on field names](https://docs.mongodb.com/manual/reference/limits/#Restrictions-on-Field-Names)
+ * @param {Boolean} [options.timestamps=true] if `false` and [timestamps](./guide.html#timestamps) are enabled, skip timestamps for this `save()`.
+ * @param {Function} [fn] optional callback
+ * @throws {DocumentNotFoundError} if this [save updates an existing document](api.html#document_Document-isNew) but the document doesn't exist in the database. For example, you will get this error if the document is [deleted between when you retrieved the document and when you saved it](documents.html#updating).
+ * @return {Promise|undefined} Returns undefined if used with callback or a Promise otherwise.
+ * @api public
+ * @see middleware https://mongoosejs.com/docs/middleware.html
+ */
+
+Model.prototype.save = function(options, fn) {
+  let parallelSave;
+  this.$op = 'save';
+
+  if (this.$__.saving) {
+    parallelSave = new ParallelSaveError(this);
+  } else {
+    this.$__.saving = new ParallelSaveError(this);
+  }
+
+  if (typeof options === 'function') {
+    fn = options;
+    options = undefined;
+  }
+
+  options = new SaveOptions(options);
+  if (options.hasOwnProperty('session')) {
+    this.$session(options.session);
+  }
+  this.$__.$versionError = generateVersionError(this, this.modifiedPaths());
+
+  fn = this.constructor.$handleCallbackError(fn);
+  return this.constructor.db.base._promiseOrCallback(fn, cb => {
+    cb = this.constructor.$wrapCallback(cb);
+
+    if (parallelSave) {
+      this.$__handleReject(parallelSave);
+      return cb(parallelSave);
+    }
+
+    this.$__.saveOptions = options;
+
+    this.$__save(options, error => {
+      this.$__.saving = null;
+      this.$__.saveOptions = null;
+      this.$__.$versionError = null;
+      this.$op = null;
+
+      if (error) {
+        this.$__handleReject(error);
+        return cb(error);
+      }
+      cb(null, this);
+    });
+  }, this.constructor.events);
+};
+
+Model.prototype.$save = Model.prototype.save;
+
+/**
+ * Determines whether versioning should be skipped for the given path
+ *
+ * @param {Document} self
+ * @param {String} path
+ * @return {Boolean} true if versioning should be skipped for the given path
+ * @api private
+ */
+function shouldSkipVersioning(self, path) {
+  const skipVersioning = self.$__schema.options.skipVersioning;
+  if (!skipVersioning) return false;
+
+  // Remove any array indexes from the path
+  path = path.replace(/\.\d+\./, '.');
+
+  return skipVersioning[path];
+}
+
+/**
+ * Apply the operation to the delta (update) clause as
+ * well as track versioning for our where clause.
+ *
+ * @param {Document} self
+ * @param {Object} where Unused
+ * @param {Object} delta
+ * @param {Object} data
+ * @param {Mixed} val
+ * @param {String} [op]
+ * @api private
+ */
+
+function operand(self, where, delta, data, val, op) {
+  // delta
+  op || (op = '$set');
+  if (!delta[op]) delta[op] = {};
+  delta[op][data.path] = val;
+  // disabled versioning?
+  if (self.$__schema.options.versionKey === false) return;
+
+  // path excluded from versioning?
+  if (shouldSkipVersioning(self, data.path)) return;
+
+  // already marked for versioning?
+  if (VERSION_ALL === (VERSION_ALL & self.$__.version)) return;
+
+  if (self.$__schema.options.optimisticConcurrency) {
+    return;
+  }
+
+  switch (op) {
+    case '$set':
+    case '$unset':
+    case '$pop':
+    case '$pull':
+    case '$pullAll':
+    case '$push':
+    case '$addToSet':
+    case '$inc':
+      break;
+    default:
+      // nothing to do
+      return;
+  }
+
+  // ensure updates sent with positional notation are
+  // editing the correct array element.
+  // only increment the version if an array position changes.
+  // modifying elements of an array is ok if position does not change.
+  if (op === '$push' || op === '$addToSet' || op === '$pullAll' || op === '$pull') {
+    if (/\.\d+\.|\.\d+$/.test(data.path)) {
+      increment.call(self);
+    } else {
+      self.$__.version = VERSION_INC;
+    }
+  } else if (/^\$p/.test(op)) {
+    // potentially changing array positions
+    increment.call(self);
+  } else if (Array.isArray(val)) {
+    // $set an array
+    increment.call(self);
+  } else if (/\.\d+\.|\.\d+$/.test(data.path)) {
+    // now handling $set, $unset
+    // subpath of array
+    self.$__.version = VERSION_WHERE;
+  }
+}
+
+/**
+ * Compiles an update and where clause for a `val` with _atomics.
+ *
+ * @param {Document} self
+ * @param {Object} where
+ * @param {Object} delta
+ * @param {Object} data
+ * @param {Array} value
+ * @api private
+ */
+
+function handleAtomics(self, where, delta, data, value) {
+  if (delta.$set && delta.$set[data.path]) {
+    // $set has precedence over other atomics
+    return;
+  }
+
+  if (typeof value.$__getAtomics === 'function') {
+    value.$__getAtomics().forEach(function(atomic) {
+      const op = atomic[0];
+      const val = atomic[1];
+      operand(self, where, delta, data, val, op);
+    });
+    return;
+  }
+
+  // legacy support for plugins
+
+  const atomics = value[arrayAtomicsSymbol];
+  const ops = Object.keys(atomics);
+  let i = ops.length;
+  let val;
+  let op;
+
+  if (i === 0) {
+    // $set
+
+    if (utils.isMongooseObject(value)) {
+      value = value.toObject({ depopulate: 1, _isNested: true });
+    } else if (value.valueOf) {
+      value = value.valueOf();
+    }
+
+    return operand(self, where, delta, data, value);
+  }
+
+  function iter(mem) {
+    return utils.isMongooseObject(mem)
+      ? mem.toObject({ depopulate: 1, _isNested: true })
+      : mem;
+  }
+
+  while (i--) {
+    op = ops[i];
+    val = atomics[op];
+
+    if (utils.isMongooseObject(val)) {
+      val = val.toObject({ depopulate: true, transform: false, _isNested: true });
+    } else if (Array.isArray(val)) {
+      val = val.map(iter);
+    } else if (val.valueOf) {
+      val = val.valueOf();
+    }
+
+    if (op === '$addToSet') {
+      val = { $each: val };
+    }
+
+    operand(self, where, delta, data, val, op);
+  }
+}
+
+/**
+ * Produces a special query document of the modified properties used in updates.
+ *
+ * @api private
+ * @method $__delta
+ * @memberOf Model
+ * @instance
+ */
+
+Model.prototype.$__delta = function() {
+  const dirty = this.$__dirty();
+
+  const optimisticConcurrency = this.$__schema.options.optimisticConcurrency;
+  if (optimisticConcurrency) {
+    this.$__.version = dirty.length ? VERSION_ALL : VERSION_WHERE;
+  }
+
+  if (!dirty.length && VERSION_ALL !== this.$__.version) {
+    return;
+  }
+  const where = {};
+  const delta = {};
+  const len = dirty.length;
+  const divergent = [];
+  let d = 0;
+
+  where._id = this._doc._id;
+  // If `_id` is an object, need to depopulate, but also need to be careful
+  // because `_id` can technically be null (see gh-6406)
+  if ((where && where._id && where._id.$__ || null) != null) {
+    where._id = where._id.toObject({ transform: false, depopulate: true });
+  }
+  for (; d < len; ++d) {
+    const data = dirty[d];
+    let value = data.value;
+    const match = checkDivergentArray(this, data.path, value);
+    if (match) {
+      divergent.push(match);
+      continue;
+    }
+
+    const pop = this.$populated(data.path, true);
+    if (!pop && this.$__.selected) {
+      // If any array was selected using an $elemMatch projection, we alter the path and where clause
+      // NOTE: MongoDB only supports projected $elemMatch on top level array.
+      const pathSplit = data.path.split('.');
+      const top = pathSplit[0];
+      if (this.$__.selected[top] && this.$__.selected[top].$elemMatch) {
+        // If the selected array entry was modified
+        if (pathSplit.length > 1 && pathSplit[1] == 0 && typeof where[top] === 'undefined') {
+          where[top] = this.$__.selected[top];
+          pathSplit[1] = '$';
+          data.path = pathSplit.join('.');
+        }
+        // if the selected array was modified in any other way throw an error
+        else {
+          divergent.push(data.path);
+          continue;
+        }
+      }
+    }
+
+    if (divergent.length) continue;
+    if (value === undefined) {
+      operand(this, where, delta, data, 1, '$unset');
+    } else if (value === null) {
+      operand(this, where, delta, data, null);
+    } else if (utils.isMongooseArray(value) && value.$path() && value[arrayAtomicsSymbol]) {
+      // arrays and other custom types (support plugins etc)
+      handleAtomics(this, where, delta, data, value);
+    } else if (value[MongooseBuffer.pathSymbol] && Buffer.isBuffer(value)) {
+      // MongooseBuffer
+      value = value.toObject();
+      operand(this, where, delta, data, value);
+    } else {
+      if (this.$__.primitiveAtomics && this.$__.primitiveAtomics[data.path] != null) {
+        const val = this.$__.primitiveAtomics[data.path];
+        const op = firstKey(val);
+        operand(this, where, delta, data, val[op], op);
+      } else {
+        value = utils.clone(value, {
+          depopulate: true,
+          transform: false,
+          virtuals: false,
+          getters: false,
+          omitUndefined: true,
+          _isNested: true
+        });
+        operand(this, where, delta, data, value);
+      }
+    }
+  }
+
+  if (divergent.length) {
+    return new DivergentArrayError(divergent);
+  }
+
+  if (this.$__.version) {
+    this.$__version(where, delta);
+  }
+  return [where, delta];
+};
+
+/**
+ * Determine if array was populated with some form of filter and is now
+ * being updated in a manner which could overwrite data unintentionally.
+ *
+ * @see https://github.com/Automattic/mongoose/issues/1334
+ * @param {Document} doc
+ * @param {String} path
+ * @param {Any} array
+ * @return {String|undefined}
+ * @api private
+ */
+
+function checkDivergentArray(doc, path, array) {
+  // see if we populated this path
+  const pop = doc.$populated(path, true);
+
+  if (!pop && doc.$__.selected) {
+    // If any array was selected using an $elemMatch projection, we deny the update.
+    // NOTE: MongoDB only supports projected $elemMatch on top level array.
+    const top = path.split('.')[0];
+    if (doc.$__.selected[top + '.$']) {
+      return top;
+    }
+  }
+
+  if (!(pop && utils.isMongooseArray(array))) return;
+
+  // If the array was populated using options that prevented all
+  // documents from being returned (match, skip, limit) or they
+  // deselected the _id field, $pop and $set of the array are
+  // not safe operations. If _id was deselected, we do not know
+  // how to remove elements. $pop will pop off the _id from the end
+  // of the array in the db which is not guaranteed to be the
+  // same as the last element we have here. $set of the entire array
+  // would be similarly destructive as we never received all
+  // elements of the array and potentially would overwrite data.
+  const check = pop.options.match ||
+      pop.options.options && utils.object.hasOwnProperty(pop.options.options, 'limit') || // 0 is not permitted
+      pop.options.options && pop.options.options.skip || // 0 is permitted
+      pop.options.select && // deselected _id?
+      (pop.options.select._id === 0 ||
+      /\s?-_id\s?/.test(pop.options.select));
+
+  if (check) {
+    const atomics = array[arrayAtomicsSymbol];
+    if (Object.keys(atomics).length === 0 || atomics.$set || atomics.$pop) {
+      return path;
+    }
+  }
+}
+
+/**
+ * Appends versioning to the where and update clauses.
+ *
+ * @api private
+ * @method $__version
+ * @memberOf Model
+ * @instance
+ */
+
+Model.prototype.$__version = function(where, delta) {
+  const key = this.$__schema.options.versionKey;
+  if (where === true) {
+    // this is an insert
+    if (key) {
+      setDottedPath(delta, key, 0);
+      this.$__setValue(key, 0);
+    }
+    return;
+  }
+
+  if (key === false) {
+    return;
+  }
+
+  // updates
+
+  // only apply versioning if our versionKey was selected. else
+  // there is no way to select the correct version. we could fail
+  // fast here and force them to include the versionKey but
+  // thats a bit intrusive. can we do this automatically?
+
+  if (!this.$__isSelected(key)) {
+    return;
+  }
+
+  // $push $addToSet don't need the where clause set
+  if (VERSION_WHERE === (VERSION_WHERE & this.$__.version)) {
+    const value = this.$__getValue(key);
+    if (value != null) where[key] = value;
+  }
+
+  if (VERSION_INC === (VERSION_INC & this.$__.version)) {
+    if (get(delta.$set, key, null) != null) {
+      // Version key is getting set, means we'll increment the doc's version
+      // after a successful save, so we should set the incremented version so
+      // future saves don't fail (gh-5779)
+      ++delta.$set[key];
+    } else {
+      delta.$inc = delta.$inc || {};
+      delta.$inc[key] = 1;
+    }
+  }
+};
+
+/*!
+ * ignore
+ */
+
+function increment() {
+  this.$__.version = VERSION_ALL;
+  return this;
+}
+
+/**
+ * Signal that we desire an increment of this documents version.
+ *
+ * #### Example:
+ *
+ *     const doc = await Model.findById(id);
+ *     doc.increment();
+ *     await doc.save();
+ *
+ * @see versionKeys https://mongoosejs.com/docs/guide.html#versionKey
+ * @memberOf Model
+ * @method increment
+ * @api public
+ */
+
+Model.prototype.increment = increment;
+
+/**
+ * Returns a query object
+ *
+ * @api private
+ * @method $__where
+ * @memberOf Model
+ * @instance
+ */
+
+Model.prototype.$__where = function _where(where) {
+  where || (where = {});
+
+  if (!where._id) {
+    where._id = this._doc._id;
+  }
+
+  if (this._doc._id === void 0) {
+    return new MongooseError('No _id found on document!');
+  }
+
+  return where;
+};
+
+/**
+ * Removes this document from the db.
+ *
+ * #### Example:
+ *
+ *     const product = await product.remove().catch(function (err) {
+ *        assert.ok(err);
+ *     });
+ *     const foundProduct = await Product.findById(product._id);
+ *     console.log(foundProduct) // null
+ *
+ * @param {Object} [options]
+ * @param {Session} [options.session=null] the [session](https://docs.mongodb.com/manual/reference/server-sessions/) associated with this operation. If not specified, defaults to the [document's associated session](api.html#document_Document-$session).
+ * @param {function(err,product)} [fn] optional callback
+ * @return {Promise} Promise
+ * @api public
+ */
+
+Model.prototype.remove = function remove(options, fn) {
+  if (typeof options === 'function') {
+    fn = options;
+    options = undefined;
+  }
+
+  options = new RemoveOptions(options);
+  if (options.hasOwnProperty('session')) {
+    this.$session(options.session);
+  }
+  this.$op = 'remove';
+
+  fn = this.constructor.$handleCallbackError(fn);
+
+  return this.constructor.db.base._promiseOrCallback(fn, cb => {
+    cb = this.constructor.$wrapCallback(cb);
+    this.$__remove(options, (err, res) => {
+      this.$op = null;
+      cb(err, res);
+    });
+  }, this.constructor.events);
+};
+
+/**
+ * Alias for remove
+ *
+ * @method $remove
+ * @memberOf Model
+ * @instance
+ * @api public
+ * @see Model.remove #model_Model-remove
+ */
+
+Model.prototype.$remove = Model.prototype.remove;
+Model.prototype.delete = Model.prototype.remove;
+
+/**
+ * Removes this document from the db. Equivalent to `.remove()`.
+ *
+ * #### Example:
+ *
+ *     product = await product.deleteOne();
+ *     await Product.findById(product._id); // null
+ *
+ * @param {function(err,product)} [fn] optional callback
+ * @return {Promise} Promise
+ * @api public
+ */
+
+Model.prototype.deleteOne = function deleteOne(options, fn) {
+  if (typeof options === 'function') {
+    fn = options;
+    options = undefined;
+  }
+
+  if (!options) {
+    options = {};
+  }
+
+  fn = this.constructor.$handleCallbackError(fn);
+
+  return this.constructor.db.base._promiseOrCallback(fn, cb => {
+    cb = this.constructor.$wrapCallback(cb);
+    this.$__deleteOne(options, cb);
+  }, this.constructor.events);
+};
+
+/*!
+ * ignore
+ */
+
+Model.prototype.$__remove = function $__remove(options, cb) {
+  if (this.$__.isDeleted) {
+    return immediate(() => cb(null, this));
+  }
+
+  const where = this.$__where();
+  if (where instanceof MongooseError) {
+    return cb(where);
+  }
+
+  _applyCustomWhere(this, where);
+
+  const session = this.$session();
+  if (!options.hasOwnProperty('session')) {
+    options.session = session;
+  }
+
+  this[modelCollectionSymbol].deleteOne(where, options, err => {
+    if (!err) {
+      this.$__.isDeleted = true;
+      this.$emit('remove', this);
+      this.constructor.emit('remove', this);
+      return cb(null, this);
+    }
+    this.$__.isDeleted = false;
+    cb(err);
+  });
+};
+
+/*!
+ * ignore
+ */
+
+Model.prototype.$__deleteOne = Model.prototype.$__remove;
+
+/**
+ * Returns another Model instance.
+ *
+ * #### Example:
+ *
+ *     const doc = new Tank;
+ *     doc.model('User').findById(id, callback);
+ *
+ * @param {String} name model name
+ * @method model
+ * @api public
+ * @return {Model}
+ */
+
+Model.prototype.model = function model(name) {
+  return this[modelDbSymbol].model(name);
+};
+
+/**
+ * Returns another Model instance.
+ *
+ * #### Example:
+ *
+ *     const doc = new Tank;
+ *     doc.model('User').findById(id, callback);
+ *
+ * @param {String} name model name
+ * @method $model
+ * @api public
+ * @return {Model}
+ */
+
+Model.prototype.$model = function $model(name) {
+  return this[modelDbSymbol].model(name);
+};
+
+/**
+ * Returns a document with `_id` only if at least one document exists in the database that matches
+ * the given `filter`, and `null` otherwise.
+ *
+ * Under the hood, `MyModel.exists({ answer: 42 })` is equivalent to
+ * `MyModel.findOne({ answer: 42 }).select({ _id: 1 }).lean()`
+ *
+ * #### Example:
+ *
+ *     await Character.deleteMany({});
+ *     await Character.create({ name: 'Jean-Luc Picard' });
+ *
+ *     await Character.exists({ name: /picard/i }); // { _id: ... }
+ *     await Character.exists({ name: /riker/i }); // null
+ *
+ * This function triggers the following middleware.
+ *
+ * - `findOne()`
+ *
+ * @param {Object} filter
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Function} [callback] callback
+ * @return {Query}
+ */
+
+Model.exists = function exists(filter, options, callback) {
+  _checkContext(this, 'exists');
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+
+  const query = this.findOne(filter).
+    select({ _id: 1 }).
+    lean().
+    setOptions(options);
+
+  if (typeof callback === 'function') {
+    return query.exec(callback);
+  }
+
+  return query;
+};
+
+/**
+ * Adds a discriminator type.
+ *
+ * #### Example:
+ *
+ *     function BaseSchema() {
+ *       Schema.apply(this, arguments);
+ *
+ *       this.add({
+ *         name: String,
+ *         createdAt: Date
+ *       });
+ *     }
+ *     util.inherits(BaseSchema, Schema);
+ *
+ *     const PersonSchema = new BaseSchema();
+ *     const BossSchema = new BaseSchema({ department: String });
+ *
+ *     const Person = mongoose.model('Person', PersonSchema);
+ *     const Boss = Person.discriminator('Boss', BossSchema);
+ *     new Boss().__t; // "Boss". `__t` is the default `discriminatorKey`
+ *
+ *     const employeeSchema = new Schema({ boss: ObjectId });
+ *     const Employee = Person.discriminator('Employee', employeeSchema, 'staff');
+ *     new Employee().__t; // "staff" because of 3rd argument above
+ *
+ * @param {String} name discriminator model name
+ * @param {Schema} schema discriminator model schema
+ * @param {Object|String} [options] If string, same as `options.value`.
+ * @param {String} [options.value] the string stored in the `discriminatorKey` property. If not specified, Mongoose uses the `name` parameter.
+ * @param {Boolean} [options.clone=true] By default, `discriminator()` clones the given `schema`. Set to `false` to skip cloning.
+ * @param {Boolean} [options.overwriteModels=false] by default, Mongoose does not allow you to define a discriminator with the same name as another discriminator. Set this to allow overwriting discriminators with the same name.
+ * @return {Model} The newly created discriminator model
+ * @api public
+ */
+
+Model.discriminator = function(name, schema, options) {
+
+  let model;
+  if (typeof name === 'function') {
+    model = name;
+    name = utils.getFunctionName(model);
+    if (!(model.prototype instanceof Model)) {
+      throw new MongooseError('The provided class ' + name + ' must extend Model');
+    }
+  }
+
+  options = options || {};
+  const value = utils.isPOJO(options) ? options.value : options;
+  const clone = typeof options.clone === 'boolean' ? options.clone : true;
+
+  _checkContext(this, 'discriminator');
+
+  if (utils.isObject(schema) && !schema.instanceOfSchema) {
+    schema = new Schema(schema);
+  }
+  if (schema instanceof Schema && clone) {
+    schema = schema.clone();
+  }
+
+  schema = discriminator(this, name, schema, value, true);
+  if (this.db.models[name] && !schema.options.overwriteModels) {
+    throw new OverwriteModelError(name);
+  }
+
+  schema.$isRootDiscriminator = true;
+  schema.$globalPluginsApplied = true;
+
+  model = this.db.model(model || name, schema, this.$__collection.name);
+  this.discriminators[name] = model;
+  const d = this.discriminators[name];
+  Object.setPrototypeOf(d.prototype, this.prototype);
+  Object.defineProperty(d, 'baseModelName', {
+    value: this.modelName,
+    configurable: true,
+    writable: false
+  });
+
+  // apply methods and statics
+  applyMethods(d, schema);
+  applyStatics(d, schema);
+
+  if (this[subclassedSymbol] != null) {
+    for (const submodel of this[subclassedSymbol]) {
+      submodel.discriminators = submodel.discriminators || {};
+      submodel.discriminators[name] =
+        model.__subclass(model.db, schema, submodel.collection.name);
+    }
+  }
+
+  return d;
+};
+
+/**
+ * Make sure `this` is a model
+ * @api private
+ */
+
+function _checkContext(ctx, fnName) {
+  // Check context, because it is easy to mistakenly type
+  // `new Model.discriminator()` and get an incomprehensible error
+  if (ctx == null || ctx === global) {
+    throw new MongooseError('`Model.' + fnName + '()` cannot run without a ' +
+      'model as `this`. Make sure you are calling `MyModel.' + fnName + '()` ' +
+      'where `MyModel` is a Mongoose model.');
+  } else if (ctx[modelSymbol] == null) {
+    throw new MongooseError('`Model.' + fnName + '()` cannot run without a ' +
+      'model as `this`. Make sure you are not calling ' +
+      '`new Model.' + fnName + '()`');
+  }
+}
+
+// Model (class) features
+
+/*!
+ * Give the constructor the ability to emit events.
+ */
+
+for (const i in EventEmitter.prototype) {
+  Model[i] = EventEmitter.prototype[i];
+}
+
+/**
+ * This function is responsible for building [indexes](https://docs.mongodb.com/manual/indexes/),
+ * unless [`autoIndex`](https://mongoosejs.com/docs/guide.html#autoIndex) is turned off.
+ *
+ * Mongoose calls this function automatically when a model is created using
+ * [`mongoose.model()`](/docs/api.html#mongoose_Mongoose-model) or
+ * [`connection.model()`](/docs/api.html#connection_Connection-model), so you
+ * don't need to call it. This function is also idempotent, so you may call it
+ * to get back a promise that will resolve when your indexes are finished
+ * building as an alternative to [`MyModel.on('index')`](/docs/guide.html#indexes)
+ *
+ * #### Example:
+ *
+ *     const eventSchema = new Schema({ thing: { type: 'string', unique: true } })
+ *     // This calls `Event.init()` implicitly, so you don't need to call
+ *     // `Event.init()` on your own.
+ *     const Event = mongoose.model('Event', eventSchema);
+ *
+ *     Event.init().then(function(Event) {
+ *       // You can also use `Event.on('index')` if you prefer event emitters
+ *       // over promises.
+ *       console.log('Indexes are done building!');
+ *     });
+ *
+ * @api public
+ * @param {Function} [callback]
+ * @returns {Promise}
+ */
+
+Model.init = function init(callback) {
+  _checkContext(this, 'init');
+
+  this.schema.emit('init', this);
+
+  if (this.$init != null) {
+    if (callback) {
+      this.$init.then(() => callback(), err => callback(err));
+      return null;
+    }
+    return this.$init;
+  }
+
+  const Promise = PromiseProvider.get();
+  const autoIndex = utils.getOption('autoIndex',
+    this.schema.options, this.db.config, this.db.base.options);
+  const autoCreate = utils.getOption('autoCreate',
+    this.schema.options, this.db.config, this.db.base.options);
+
+  const _ensureIndexes = autoIndex ?
+    cb => this.ensureIndexes({ _automatic: true }, cb) :
+    cb => cb();
+  const _createCollection = autoCreate ?
+    cb => this.createCollection({}, cb) :
+    cb => cb();
+
+  this.$init = new Promise((resolve, reject) => {
+    _createCollection(error => {
+      if (error) {
+        return reject(error);
+      }
+      _ensureIndexes(error => {
+        if (error) {
+          return reject(error);
+        }
+        resolve(this);
+      });
+    });
+  });
+
+  if (callback) {
+    this.$init.then(() => callback(), err => callback(err));
+    this.$caught = true;
+    return null;
+  } else {
+    const _catch = this.$init.catch;
+    const _this = this;
+    this.$init.catch = function() {
+      this.$caught = true;
+      return _catch.apply(_this.$init, arguments);
+    };
+  }
+
+  return this.$init;
+};
+
+
+/**
+ * Create the collection for this model. By default, if no indexes are specified,
+ * mongoose will not create the collection for the model until any documents are
+ * created. Use this method to create the collection explicitly.
+ *
+ * Note 1: You may need to call this before starting a transaction
+ * See https://docs.mongodb.com/manual/core/transactions/#transactions-and-operations
+ *
+ * Note 2: You don't have to call this if your schema contains index or unique field.
+ * In that case, just use `Model.init()`
+ *
+ * #### Example:
+ *
+ *     const userSchema = new Schema({ name: String })
+ *     const User = mongoose.model('User', userSchema);
+ *
+ *     User.createCollection().then(function(collection) {
+ *       console.log('Collection is created!');
+ *     });
+ *
+ * @api public
+ * @param {Object} [options] see [MongoDB driver docs](https://mongodb.github.io/node-mongodb-native/4.9/classes/Db.html#createCollection)
+ * @param {Function} [callback]
+ * @returns {Promise}
+ */
+
+Model.createCollection = function createCollection(options, callback) {
+  _checkContext(this, 'createCollection');
+
+  if (typeof options === 'string') {
+    throw new MongooseError('You can\'t specify a new collection name in Model.createCollection.' +
+      'This is not like Connection.createCollection. Only options are accepted here.');
+  } else if (typeof options === 'function') {
+    callback = options;
+    options = void 0;
+  }
+
+  const schemaCollation = this &&
+    this.schema &&
+    this.schema.options &&
+    this.schema.options.collation;
+  if (schemaCollation != null) {
+    options = Object.assign({ collation: schemaCollation }, options);
+  }
+  const capped = this &&
+    this.schema &&
+    this.schema.options &&
+    this.schema.options.capped;
+  if (capped != null) {
+    if (typeof capped === 'number') {
+      options = Object.assign({ capped: true, size: capped }, options);
+    } else if (typeof capped === 'object') {
+      options = Object.assign({ capped: true }, capped, options);
+    }
+  }
+  const timeseries = this &&
+    this.schema &&
+    this.schema.options &&
+    this.schema.options.timeseries;
+  if (timeseries != null) {
+    options = Object.assign({ timeseries }, options);
+    if (options.expireAfterSeconds != null) {
+      // do nothing
+    } else if (options.expires != null) {
+      utils.expires(options);
+    } else if (this.schema.options.expireAfterSeconds != null) {
+      options.expireAfterSeconds = this.schema.options.expireAfterSeconds;
+    } else if (this.schema.options.expires != null) {
+      options.expires = this.schema.options.expires;
+      utils.expires(options);
+    }
+  }
+
+  callback = this.$handleCallbackError(callback);
+
+  return this.db.base._promiseOrCallback(callback, cb => {
+    cb = this.$wrapCallback(cb);
+
+    this.db.createCollection(this.$__collection.collectionName, options, utils.tick((err) => {
+      if (err != null && (err.name !== 'MongoServerError' || err.code !== 48)) {
+        return cb(err);
+      }
+      this.$__collection = this.db.collection(this.$__collection.collectionName, options);
+      cb(null, this.$__collection);
+    }));
+  }, this.events);
+};
+
+/**
+ * Makes the indexes in MongoDB match the indexes defined in this model's
+ * schema. This function will drop any indexes that are not defined in
+ * the model's schema except the `_id` index, and build any indexes that
+ * are in your schema but not in MongoDB.
+ *
+ * See the [introductory blog post](https://thecodebarbarian.com/whats-new-in-mongoose-5-2-syncindexes)
+ * for more information.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ name: { type: String, unique: true } });
+ *     const Customer = mongoose.model('Customer', schema);
+ *     await Customer.collection.createIndex({ age: 1 }); // Index is not in schema
+ *     // Will drop the 'age' index and create an index on `name`
+ *     await Customer.syncIndexes();
+ *
+ * @param {Object} [options] options to pass to `ensureIndexes()`
+ * @param {Boolean} [options.background=null] if specified, overrides each index's `background` property
+ * @param {Function} [callback] optional callback
+ * @return {Promise|undefined} Returns `undefined` if callback is specified, returns a promise if no callback, when the Promise resolves the value is a list of the dropped indexes.
+ * @api public
+ */
+
+Model.syncIndexes = function syncIndexes(options, callback) {
+  _checkContext(this, 'syncIndexes');
+
+  const model = this;
+  callback = model.$handleCallbackError(callback);
+
+  return model.db.base._promiseOrCallback(callback, cb => {
+    cb = model.$wrapCallback(cb);
+    model.createCollection(err => {
+      if (err != null && (err.name !== 'MongoServerError' || err.code !== 48)) {
+        return cb(err);
+      }
+      model.diffIndexes(err, (err, diffIndexesResult) => {
+        if (err != null) {
+          return cb(err);
+        }
+        model.cleanIndexes({ ...options, toDrop: diffIndexesResult.toDrop }, (err, dropped) => {
+          if (err != null) {
+            return cb(err);
+          }
+          model.createIndexes({ ...options, toCreate: diffIndexesResult.toCreate }, err => {
+            if (err != null) {
+              return cb(err);
+            }
+            cb(null, dropped);
+          });
+        });
+      });
+
+    });
+  }, this.events);
+};
+
+/**
+ * Does a dry-run of Model.syncIndexes(), meaning that
+ * the result of this function would be the result of
+ * Model.syncIndexes().
+ *
+ * @param {Object} [options]
+ * @param {Function} [callback] optional callback
+ * @returns {Promise} which contains an object, {toDrop, toCreate}, which
+ * are indexes that would be dropped in MongoDB and indexes that would be created in MongoDB.
+ */
+
+Model.diffIndexes = function diffIndexes(options, callback) {
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+
+  const model = this;
+
+  callback = model.$handleCallbackError(callback);
+
+  return model.db.base._promiseOrCallback(callback, cb => {
+    cb = model.$wrapCallback(cb);
+    model.listIndexes((err, dbIndexes) => {
+      if (dbIndexes === undefined) {
+        dbIndexes = [];
+      }
+      dbIndexes = getRelatedDBIndexes(model, dbIndexes);
+
+      const schema = model.schema;
+      const schemaIndexes = getRelatedSchemaIndexes(model, schema.indexes());
+
+      const toDrop = getIndexesToDrop(schema, schemaIndexes, dbIndexes);
+      const toCreate = getIndexesToCreate(schema, schemaIndexes, dbIndexes);
+
+      cb(null, { toDrop, toCreate });
+    });
+  });
+};
+
+function getIndexesToCreate(schema, schemaIndexes, dbIndexes) {
+  const toCreate = [];
+
+  for (const [schemaIndexKeysObject, schemaIndexOptions] of schemaIndexes) {
+    let found = false;
+
+    const options = decorateDiscriminatorIndexOptions(schema, utils.clone(schemaIndexOptions));
+
+    for (const index of dbIndexes) {
+      if (isDefaultIdIndex(index)) {
+        continue;
+      }
+      if (isIndexEqual(schemaIndexKeysObject, options, index)) {
+        found = true;
+        break;
+      }
+    }
+
+    if (!found) {
+      toCreate.push(schemaIndexKeysObject);
+    }
+  }
+
+  return toCreate;
+}
+
+function getIndexesToDrop(schema, schemaIndexes, dbIndexes) {
+  const toDrop = [];
+
+  for (const dbIndex of dbIndexes) {
+    let found = false;
+    // Never try to drop `_id` index, MongoDB server doesn't allow it
+    if (isDefaultIdIndex(dbIndex)) {
+      continue;
+    }
+
+    for (const [schemaIndexKeysObject, schemaIndexOptions] of schemaIndexes) {
+      const options = decorateDiscriminatorIndexOptions(schema, utils.clone(schemaIndexOptions));
+      applySchemaCollation(schemaIndexKeysObject, options, schema.options);
+
+      if (isIndexEqual(schemaIndexKeysObject, options, dbIndex)) {
+        found = true;
+        break;
+      }
+    }
+
+    if (!found) {
+      toDrop.push(dbIndex.name);
+    }
+  }
+
+  return toDrop;
+}
+/**
+ * Deletes all indexes that aren't defined in this model's schema. Used by
+ * `syncIndexes()`.
+ *
+ * The returned promise resolves to a list of the dropped indexes' names as an array
+ *
+ * @param {Function} [callback] optional callback
+ * @return {Promise|undefined} Returns `undefined` if callback is specified, returns a promise if no callback.
+ * @api public
+ */
+
+Model.cleanIndexes = function cleanIndexes(options, callback) {
+  _checkContext(this, 'cleanIndexes');
+  const model = this;
+
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+
+  callback = model.$handleCallbackError(callback);
+
+  return model.db.base._promiseOrCallback(callback, cb => {
+    const collection = model.$__collection;
+
+    if (Array.isArray(options && options.toDrop)) {
+      _dropIndexes(options.toDrop, collection, cb);
+      return;
+    }
+    return model.diffIndexes((err, res) => {
+      if (err != null) {
+        return cb(err);
+      }
+
+      const toDrop = res.toDrop;
+      _dropIndexes(toDrop, collection, cb);
+    });
+
+  });
+};
+
+function _dropIndexes(toDrop, collection, cb) {
+  if (toDrop.length === 0) {
+    return cb(null, []);
+  }
+
+  let remaining = toDrop.length;
+  let error = false;
+  toDrop.forEach(indexName => {
+    collection.dropIndex(indexName, err => {
+      if (err != null) {
+        error = true;
+        return cb(err);
+      }
+      if (!error) {
+        --remaining || cb(null, toDrop);
+      }
+    });
+  });
+}
+
+/**
+ * Lists the indexes currently defined in MongoDB. This may or may not be
+ * the same as the indexes defined in your schema depending on whether you
+ * use the [`autoIndex` option](/docs/guide.html#autoIndex) and if you
+ * build indexes manually.
+ *
+ * @param {Function} [cb] optional callback
+ * @return {Promise|undefined} Returns `undefined` if callback is specified, returns a promise if no callback.
+ * @api public
+ */
+
+Model.listIndexes = function init(callback) {
+  _checkContext(this, 'listIndexes');
+
+  const _listIndexes = cb => {
+    this.$__collection.listIndexes().toArray(cb);
+  };
+
+  callback = this.$handleCallbackError(callback);
+
+  return this.db.base._promiseOrCallback(callback, cb => {
+    cb = this.$wrapCallback(cb);
+
+    // Buffering
+    if (this.$__collection.buffer) {
+      this.$__collection.addQueue(_listIndexes, [cb]);
+    } else {
+      _listIndexes(cb);
+    }
+  }, this.events);
+};
+
+/**
+ * Sends `createIndex` commands to mongo for each index declared in the schema.
+ * The `createIndex` commands are sent in series.
+ *
+ * #### Example:
+ *
+ *     Event.ensureIndexes(function (err) {
+ *       if (err) return handleError(err);
+ *     });
+ *
+ * After completion, an `index` event is emitted on this `Model` passing an error if one occurred.
+ *
+ * #### Example:
+ *
+ *     const eventSchema = new Schema({ thing: { type: 'string', unique: true } })
+ *     const Event = mongoose.model('Event', eventSchema);
+ *
+ *     Event.on('index', function (err) {
+ *       if (err) console.error(err); // error occurred during index creation
+ *     })
+ *
+ * _NOTE: It is not recommended that you run this in production. Index creation may impact database performance depending on your load. Use with caution._
+ *
+ * @param {Object} [options] internal options
+ * @param {Function} [cb] optional callback
+ * @return {Promise}
+ * @api public
+ */
+
+Model.ensureIndexes = function ensureIndexes(options, callback) {
+  _checkContext(this, 'ensureIndexes');
+
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+
+  callback = this.$handleCallbackError(callback);
+
+  return this.db.base._promiseOrCallback(callback, cb => {
+    cb = this.$wrapCallback(cb);
+
+    _ensureIndexes(this, options || {}, error => {
+      if (error) {
+        return cb(error);
+      }
+      cb(null);
+    });
+  }, this.events);
+};
+
+/**
+ * Similar to `ensureIndexes()`, except for it uses the [`createIndex`](https://mongodb.github.io/node-mongodb-native/4.9/classes/Db.html#createIndex)
+ * function.
+ *
+ * @param {Object} [options] internal options
+ * @param {Function} [cb] optional callback
+ * @return {Promise}
+ * @api public
+ */
+
+Model.createIndexes = function createIndexes(options, callback) {
+  _checkContext(this, 'createIndexes');
+
+  if (typeof options === 'function') {
+    callback = options;
+    options = {};
+  }
+  callback = this.$handleCallbackError(callback);
+  options = options || {};
+
+  return this.ensureIndexes(options, callback);
+};
+
+
+/*!
+ * ignore
+ */
+
+function _ensureIndexes(model, options, callback) {
+  const indexes = model.schema.indexes();
+  let indexError;
+
+  options = options || {};
+  const done = function(err) {
+    if (err && !model.$caught) {
+      model.emit('error', err);
+    }
+    model.emit('index', err || indexError);
+    callback && callback(err || indexError);
+  };
+
+  for (const index of indexes) {
+    if (isDefaultIdIndex(index)) {
+      utils.warn('mongoose: Cannot specify a custom index on `_id` for ' +
+        'model name "' + model.modelName + '", ' +
+        'MongoDB does not allow overwriting the default `_id` index. See ' +
+        'https://bit.ly/mongodb-id-index');
+    }
+  }
+
+  if (!indexes.length) {
+    immediate(function() {
+      done();
+    });
+    return;
+  }
+  // Indexes are created one-by-one to support how MongoDB < 2.4 deals
+  // with background indexes.
+
+  const indexSingleDone = function(err, fields, options, name) {
+    model.emit('index-single-done', err, fields, options, name);
+  };
+  const indexSingleStart = function(fields, options) {
+    model.emit('index-single-start', fields, options);
+  };
+
+  const baseSchema = model.schema._baseSchema;
+  const baseSchemaIndexes = baseSchema ? baseSchema.indexes() : [];
+
+  immediate(function() {
+    // If buffering is off, do this manually.
+    if (options._automatic && !model.collection.collection) {
+      model.collection.addQueue(create, []);
+    } else {
+      create();
+    }
+  });
+
+
+  function create() {
+    if (options._automatic) {
+      if (model.schema.options.autoIndex === false ||
+          (model.schema.options.autoIndex == null && model.db.config.autoIndex === false)) {
+        return done();
+      }
+    }
+
+    const index = indexes.shift();
+    if (!index) {
+      return done();
+    }
+    if (options._automatic && index[1]._autoIndex === false) {
+      return create();
+    }
+
+    if (baseSchemaIndexes.find(i => utils.deepEqual(i, index))) {
+      return create();
+    }
+
+    const indexFields = utils.clone(index[0]);
+    const indexOptions = utils.clone(index[1]);
+
+    delete indexOptions._autoIndex;
+    decorateDiscriminatorIndexOptions(model.schema, indexOptions);
+    applyWriteConcern(model.schema, indexOptions);
+    applySchemaCollation(indexFields, indexOptions, model.schema.options);
+
+    indexSingleStart(indexFields, options);
+
+    if ('background' in options) {
+      indexOptions.background = options.background;
+    }
+
+    model.collection.createIndex(indexFields, indexOptions, utils.tick(function(err, name) {
+      indexSingleDone(err, indexFields, indexOptions, name);
+      if (err) {
+        if (!indexError) {
+          indexError = err;
+        }
+        if (!model.$caught) {
+          model.emit('error', err);
+        }
+      }
+      create();
+    }));
+  }
+}
+
+/**
+ * Schema the model uses.
+ *
+ * @property schema
+ * @static
+ * @api public
+ * @memberOf Model
+ */
+
+Model.schema;
+
+/**
+ * Connection instance the model uses.
+ *
+ * @property db
+ * @static
+ * @api public
+ * @memberOf Model
+ */
+
+Model.db;
+
+/**
+ * Collection the model uses.
+ *
+ * @property collection
+ * @api public
+ * @memberOf Model
+ */
+
+Model.collection;
+
+/**
+ * Internal collection the model uses.
+ *
+ * @property collection
+ * @api private
+ * @memberOf Model
+ */
+Model.$__collection;
+
+/**
+ * Base Mongoose instance the model uses.
+ *
+ * @property base
+ * @api public
+ * @memberOf Model
+ */
+
+Model.base;
+
+/**
+ * Registered discriminators for this model.
+ *
+ * @property discriminators
+ * @api public
+ * @memberOf Model
+ */
+
+Model.discriminators;
+
+/**
+ * Translate any aliases fields/conditions so the final query or document object is pure
+ *
+ * #### Example:
+ *
+ *     Character
+ *       .find(Character.translateAliases({
+ *         '名': 'Eddard Stark' // Alias for 'name'
+ *       })
+ *       .exec(function(err, characters) {})
+ *
+ * #### Note:
+ *
+ * Only translate arguments of object type anything else is returned raw
+ *
+ * @param {Object} fields fields/conditions that may contain aliased keys
+ * @return {Object} the translated 'pure' fields/conditions
+ */
+Model.translateAliases = function translateAliases(fields) {
+  _checkContext(this, 'translateAliases');
+
+  const translate = (key, value) => {
+    let alias;
+    const translated = [];
+    const fieldKeys = key.split('.');
+    let currentSchema = this.schema;
+    for (const i in fieldKeys) {
+      const name = fieldKeys[i];
+      if (currentSchema && currentSchema.aliases[name]) {
+        alias = currentSchema.aliases[name];
+        // Alias found,
+        translated.push(alias);
+      } else {
+        alias = name;
+        // Alias not found, so treat as un-aliased key
+        translated.push(name);
+      }
+
+      // Check if aliased path is a schema
+      if (currentSchema && currentSchema.paths[alias]) {
+        currentSchema = currentSchema.paths[alias].schema;
+      }
+      else
+        currentSchema = null;
+    }
+
+    const translatedKey = translated.join('.');
+    if (fields instanceof Map)
+      fields.set(translatedKey, value);
+    else
+      fields[translatedKey] = value;
+
+    if (translatedKey !== key) {
+      // We'll be using the translated key instead
+      if (fields instanceof Map) {
+        // Delete from map
+        fields.delete(key);
+      } else {
+        // Delete from object
+        delete fields[key]; // We'll be using the translated key instead
+      }
+    }
+    return fields;
+  };
+
+  if (typeof fields === 'object') {
+    // Fields is an object (query conditions or document fields)
+    if (fields instanceof Map) {
+      // A Map was supplied
+      for (const field of new Map(fields)) {
+        fields = translate(field[0], field[1]);
+      }
+    } else {
+      // Infer a regular object was supplied
+      for (const key of Object.keys(fields)) {
+        fields = translate(key, fields[key]);
+        if (key[0] === '$') {
+          if (Array.isArray(fields[key])) {
+            for (const i in fields[key]) {
+              // Recursively translate nested queries
+              fields[key][i] = this.translateAliases(fields[key][i]);
+            }
+          }
+        }
+      }
+    }
+
+    return fields;
+  } else {
+    // Don't know typeof fields
+    return fields;
+  }
+};
+
+/**
+ * Removes all documents that match `conditions` from the collection.
+ * To remove just the first document that matches `conditions`, set the `single`
+ * option to true.
+ *
+ * This method is deprecated. See [Deprecation Warnings](../deprecations.html#remove) for details.
+ *
+ * #### Example:
+ *
+ *     const res = await Character.remove({ name: 'Eddard Stark' });
+ *     res.deletedCount; // Number of documents removed
+ *
+ * #### Note:
+ *
+ * This method sends a remove command directly to MongoDB, no Mongoose documents
+ * are involved. Because no Mongoose documents are involved, Mongoose does
+ * not execute [document middleware](/docs/middleware.html#types-of-middleware).
+ *
+ * @deprecated
+ * @param {Object} conditions
+ * @param {Object} [options]
+ * @param {Session} [options.session=null] the [session](https://docs.mongodb.com/manual/reference/server-sessions/) associated with this operation.
+ * @param {Function} [callback]
+ * @return {Query}
+ * @api public
+ */
+
+Model.remove = function remove(conditions, options, callback) {
+  _checkContext(this, 'remove');
+
+  if (typeof conditions === 'function') {
+    callback = conditions;
+    conditions = {};
+    options = null;
+  } else if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+
+  // get the mongodb collection object
+  const mq = new this.Query({}, {}, this, this.$__collection);
+  mq.setOptions(options);
+
+  callback = this.$handleCallbackError(callback);
+
+  return mq.remove(conditions, callback);
+};
+
+/**
+ * Deletes the first document that matches `conditions` from the collection.
+ * It returns an object with the property `deletedCount` indicating how many documents were deleted.
+ * Behaves like `remove()`, but deletes at most one document regardless of the
+ * `single` option.
+ *
+ * #### Example:
+ *
+ *     await Character.deleteOne({ name: 'Eddard Stark' }); // returns {deletedCount: 1}
+ *
+ * #### Note:
+ *
+ * This function triggers `deleteOne` query hooks. Read the
+ * [middleware docs](/docs/middleware.html#naming) to learn more.
+ *
+ * @param {Object} conditions
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Function} [callback]
+ * @return {Query}
+ * @api public
+ */
+
+Model.deleteOne = function deleteOne(conditions, options, callback) {
+  _checkContext(this, 'deleteOne');
+
+  if (typeof conditions === 'function') {
+    callback = conditions;
+    conditions = {};
+    options = null;
+  }
+  else if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+
+  const mq = new this.Query({}, {}, this, this.$__collection);
+  mq.setOptions(options);
+
+  callback = this.$handleCallbackError(callback);
+
+  return mq.deleteOne(conditions, callback);
+};
+
+/**
+ * Deletes all of the documents that match `conditions` from the collection.
+ * It returns an object with the property `deletedCount` containing the number of documents deleted.
+ * Behaves like `remove()`, but deletes all documents that match `conditions`
+ * regardless of the `single` option.
+ *
+ * #### Example:
+ *
+ *     await Character.deleteMany({ name: /Stark/, age: { $gte: 18 } }); // returns {deletedCount: x} where x is the number of documents deleted.
+ *
+ * #### Note:
+ *
+ * This function triggers `deleteMany` query hooks. Read the
+ * [middleware docs](/docs/middleware.html#naming) to learn more.
+ *
+ * @param {Object} conditions
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Function} [callback]
+ * @return {Query}
+ * @api public
+ */
+
+Model.deleteMany = function deleteMany(conditions, options, callback) {
+  _checkContext(this, 'deleteMany');
+
+  if (typeof conditions === 'function') {
+    callback = conditions;
+    conditions = {};
+    options = null;
+  } else if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+
+  const mq = new this.Query({}, {}, this, this.$__collection);
+  mq.setOptions(options);
+
+  callback = this.$handleCallbackError(callback);
+
+  return mq.deleteMany(conditions, callback);
+};
+
+/**
+ * Finds documents.
+ *
+ * Mongoose casts the `filter` to match the model's schema before the command is sent.
+ * See our [query casting tutorial](/docs/tutorials/query_casting.html) for
+ * more information on how Mongoose casts `filter`.
+ *
+ * #### Examples:
+ *
+ *     // find all documents
+ *     await MyModel.find({});
+ *
+ *     // find all documents named john and at least 18
+ *     await MyModel.find({ name: 'john', age: { $gte: 18 } }).exec();
+ *
+ *     // executes, passing results to callback
+ *     MyModel.find({ name: 'john', age: { $gte: 18 }}, function (err, docs) {});
+ *
+ *     // executes, name LIKE john and only selecting the "name" and "friends" fields
+ *     await MyModel.find({ name: /john/i }, 'name friends').exec();
+ *
+ *     // passing options
+ *     await MyModel.find({ name: /john/i }, null, { skip: 10 }).exec();
+ *
+ * @param {Object|ObjectId} filter
+ * @param {Object|String|String[]} [projection] optional fields to return, see [`Query.prototype.select()`](https://mongoosejs.com/docs/api.html#query_Query-select)
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Function} [callback]
+ * @return {Query}
+ * @see field selection #query_Query-select
+ * @see query casting /docs/tutorials/query_casting.html
+ * @api public
+ */
+
+Model.find = function find(conditions, projection, options, callback) {
+  _checkContext(this, 'find');
+
+  if (typeof conditions === 'function') {
+    callback = conditions;
+    conditions = {};
+    projection = null;
+    options = null;
+  } else if (typeof projection === 'function') {
+    callback = projection;
+    projection = null;
+    options = null;
+  } else if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+
+  const mq = new this.Query({}, {}, this, this.$__collection);
+  mq.select(projection);
+  mq.setOptions(options);
+
+  callback = this.$handleCallbackError(callback);
+
+  return mq.find(conditions, callback);
+};
+
+/**
+ * Finds a single document by its _id field. `findById(id)` is almost*
+ * equivalent to `findOne({ _id: id })`. If you want to query by a document's
+ * `_id`, use `findById()` instead of `findOne()`.
+ *
+ * The `id` is cast based on the Schema before sending the command.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `findOne()`
+ *
+ * \* Except for how it treats `undefined`. If you use `findOne()`, you'll see
+ * that `findOne(undefined)` and `findOne({ _id: undefined })` are equivalent
+ * to `findOne({})` and return arbitrary documents. However, mongoose
+ * translates `findById(undefined)` into `findOne({ _id: null })`.
+ *
+ * #### Example:
+ *
+ *     // Find the adventure with the given `id`, or `null` if not found
+ *     await Adventure.findById(id).exec();
+ *
+ *     // using callback
+ *     Adventure.findById(id, function (err, adventure) {});
+ *
+ *     // select only the adventures name and length
+ *     await Adventure.findById(id, 'name length').exec();
+ *
+ * @param {Any} id value of `_id` to query by
+ * @param {Object|String|String[]} [projection] optional fields to return, see [`Query.prototype.select()`](#query_Query-select)
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Function} [callback]
+ * @return {Query}
+ * @see field selection #query_Query-select
+ * @see lean queries /docs/tutorials/lean.html
+ * @see findById in Mongoose https://masteringjs.io/tutorials/mongoose/find-by-id
+ * @api public
+ */
+
+Model.findById = function findById(id, projection, options, callback) {
+  _checkContext(this, 'findById');
+
+  if (typeof id === 'undefined') {
+    id = null;
+  }
+
+  callback = this.$handleCallbackError(callback);
+
+  return this.findOne({ _id: id }, projection, options, callback);
+};
+
+/**
+ * Finds one document.
+ *
+ * The `conditions` are cast to their respective SchemaTypes before the command is sent.
+ *
+ * *Note:* `conditions` is optional, and if `conditions` is null or undefined,
+ * mongoose will send an empty `findOne` command to MongoDB, which will return
+ * an arbitrary document. If you're querying by `_id`, use `findById()` instead.
+ *
+ * #### Example:
+ *
+ *     // Find one adventure whose `country` is 'Croatia', otherwise `null`
+ *     await Adventure.findOne({ country: 'Croatia' }).exec();
+ *
+ *     // using callback
+ *     Adventure.findOne({ country: 'Croatia' }, function (err, adventure) {});
+ *
+ *     // select only the adventures name and length
+ *     await Adventure.findOne({ country: 'Croatia' }, 'name length').exec();
+ *
+ * @param {Object} [conditions]
+ * @param {Object|String|String[]} [projection] optional fields to return, see [`Query.prototype.select()`](#query_Query-select)
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Function} [callback]
+ * @return {Query}
+ * @see field selection #query_Query-select
+ * @see lean queries /docs/tutorials/lean.html
+ * @api public
+ */
+
+Model.findOne = function findOne(conditions, projection, options, callback) {
+  _checkContext(this, 'findOne');
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  } else if (typeof projection === 'function') {
+    callback = projection;
+    projection = null;
+    options = null;
+  } else if (typeof conditions === 'function') {
+    callback = conditions;
+    conditions = {};
+    projection = null;
+    options = null;
+  }
+
+  const mq = new this.Query({}, {}, this, this.$__collection);
+  mq.select(projection);
+  mq.setOptions(options);
+
+  callback = this.$handleCallbackError(callback);
+  return mq.findOne(conditions, callback);
+};
+
+/**
+ * Estimates the number of documents in the MongoDB collection. Faster than
+ * using `countDocuments()` for large collections because
+ * `estimatedDocumentCount()` uses collection metadata rather than scanning
+ * the entire collection.
+ *
+ * #### Example:
+ *
+ *     const numAdventures = await Adventure.estimatedDocumentCount();
+ *
+ * @param {Object} [options]
+ * @param {Function} [callback]
+ * @return {Query}
+ * @api public
+ */
+
+Model.estimatedDocumentCount = function estimatedDocumentCount(options, callback) {
+  _checkContext(this, 'estimatedDocumentCount');
+
+  const mq = new this.Query({}, {}, this, this.$__collection);
+
+  callback = this.$handleCallbackError(callback);
+
+  return mq.estimatedDocumentCount(options, callback);
+};
+
+/**
+ * Counts number of documents matching `filter` in a database collection.
+ *
+ * #### Example:
+ *
+ *     Adventure.countDocuments({ type: 'jungle' }, function (err, count) {
+ *       console.log('there are %d jungle adventures', count);
+ *     });
+ *
+ * If you want to count all documents in a large collection,
+ * use the [`estimatedDocumentCount()` function](/docs/api.html#model_Model-estimatedDocumentCount)
+ * instead. If you call `countDocuments({})`, MongoDB will always execute
+ * a full collection scan and **not** use any indexes.
+ *
+ * The `countDocuments()` function is similar to `count()`, but there are a
+ * [few operators that `countDocuments()` does not support](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#countDocuments).
+ * Below are the operators that `count()` supports but `countDocuments()` does not,
+ * and the suggested replacement:
+ *
+ * - `$where`: [`$expr`](https://docs.mongodb.com/manual/reference/operator/query/expr/)
+ * - `$near`: [`$geoWithin`](https://docs.mongodb.com/manual/reference/operator/query/geoWithin/) with [`$center`](https://docs.mongodb.com/manual/reference/operator/query/center/#op._S_center)
+ * - `$nearSphere`: [`$geoWithin`](https://docs.mongodb.com/manual/reference/operator/query/geoWithin/) with [`$centerSphere`](https://docs.mongodb.com/manual/reference/operator/query/centerSphere/#op._S_centerSphere)
+ *
+ * @param {Object} filter
+ * @param {Function} [callback]
+ * @return {Query}
+ * @api public
+ */
+
+Model.countDocuments = function countDocuments(conditions, options, callback) {
+  _checkContext(this, 'countDocuments');
+
+  if (typeof conditions === 'function') {
+    callback = conditions;
+    conditions = {};
+  }
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+
+  const mq = new this.Query({}, {}, this, this.$__collection);
+  if (options != null) {
+    mq.setOptions(options);
+  }
+
+  callback = this.$handleCallbackError(callback);
+
+  return mq.countDocuments(conditions, callback);
+};
+
+/**
+ * Counts number of documents that match `filter` in a database collection.
+ *
+ * This method is deprecated. If you want to count the number of documents in
+ * a collection, e.g. `count({})`, use the [`estimatedDocumentCount()` function](/docs/api.html#model_Model-estimatedDocumentCount)
+ * instead. Otherwise, use the [`countDocuments()`](/docs/api.html#model_Model-countDocuments) function instead.
+ *
+ * #### Example:
+ *
+ *     const count = await Adventure.count({ type: 'jungle' });
+ *     console.log('there are %d jungle adventures', count);
+ *
+ * @deprecated
+ * @param {Object} filter
+ * @param {Function} [callback]
+ * @return {Query}
+ * @api public
+ */
+
+Model.count = function count(conditions, callback) {
+  _checkContext(this, 'count');
+
+  if (typeof conditions === 'function') {
+    callback = conditions;
+    conditions = {};
+  }
+
+  const mq = new this.Query({}, {}, this, this.$__collection);
+
+  callback = this.$handleCallbackError(callback);
+
+  return mq.count(conditions, callback);
+};
+
+/**
+ * Creates a Query for a `distinct` operation.
+ *
+ * Passing a `callback` executes the query.
+ *
+ * #### Example:
+ *
+ *     Link.distinct('url', { clicks: { $gt: 100 } }, function (err, result) {
+ *       if (err) return handleError(err);
+ *
+ *       assert(Array.isArray(result));
+ *       console.log('unique urls with more than 100 clicks', result);
+ *     })
+ *
+ *     const query = Link.distinct('url');
+ *     query.exec(callback);
+ *
+ * @param {String} field
+ * @param {Object} [conditions] optional
+ * @param {Function} [callback]
+ * @return {Query}
+ * @api public
+ */
+
+Model.distinct = function distinct(field, conditions, callback) {
+  _checkContext(this, 'distinct');
+
+  const mq = new this.Query({}, {}, this, this.$__collection);
+
+  if (typeof conditions === 'function') {
+    callback = conditions;
+    conditions = {};
+  }
+  callback = this.$handleCallbackError(callback);
+
+  return mq.distinct(field, conditions, callback);
+};
+
+/**
+ * Creates a Query, applies the passed conditions, and returns the Query.
+ *
+ * For example, instead of writing:
+ *
+ *     User.find({ age: { $gte: 21, $lte: 65 } }, callback);
+ *
+ * we can instead write:
+ *
+ *     User.where('age').gte(21).lte(65).exec(callback);
+ *
+ * Since the Query class also supports `where` you can continue chaining
+ *
+ *     User
+ *     .where('age').gte(21).lte(65)
+ *     .where('name', /^b/i)
+ *     ... etc
+ *
+ * @param {String} path
+ * @param {Object} [val] optional value
+ * @return {Query}
+ * @api public
+ */
+
+Model.where = function where(path, val) {
+  _checkContext(this, 'where');
+
+  void val; // eslint
+  const mq = new this.Query({}, {}, this, this.$__collection).find({});
+  return mq.where.apply(mq, arguments);
+};
+
+/**
+ * Creates a `Query` and specifies a `$where` condition.
+ *
+ * Sometimes you need to query for things in mongodb using a JavaScript expression. You can do so via `find({ $where: javascript })`, or you can use the mongoose shortcut method $where via a Query chain or from your mongoose Model.
+ *
+ *     Blog.$where('this.username.indexOf("val") !== -1').exec(function (err, docs) {});
+ *
+ * @param {String|Function} argument is a javascript string or anonymous function
+ * @method $where
+ * @memberOf Model
+ * @return {Query}
+ * @see Query.$where #query_Query-%24where
+ * @api public
+ */
+
+Model.$where = function $where() {
+  _checkContext(this, '$where');
+
+  const mq = new this.Query({}, {}, this, this.$__collection).find({});
+  return mq.$where.apply(mq, arguments);
+};
+
+/**
+ * Issues a mongodb findAndModify update command.
+ *
+ * Finds a matching document, updates it according to the `update` arg, passing any `options`, and returns the found document (if any) to the callback. The query executes if `callback` is passed else a Query object is returned.
+ *
+ * #### Examples:
+ *
+ *     A.findOneAndUpdate(conditions, update, options, callback) // executes
+ *     A.findOneAndUpdate(conditions, update, options)  // returns Query
+ *     A.findOneAndUpdate(conditions, update, callback) // executes
+ *     A.findOneAndUpdate(conditions, update)           // returns Query
+ *     A.findOneAndUpdate()                             // returns Query
+ *
+ * #### Note:
+ *
+ * All top level update keys which are not `atomic` operation names are treated as set operations:
+ *
+ * #### Example:
+ *
+ *     const query = { name: 'borne' };
+ *     Model.findOneAndUpdate(query, { name: 'jason bourne' }, options, callback)
+ *
+ *     // is sent as
+ *     Model.findOneAndUpdate(query, { $set: { name: 'jason bourne' }}, options, callback)
+ *
+ * This helps prevent accidentally overwriting your document with `{ name: 'jason bourne' }`.
+ *
+ * #### Note:
+ *
+ * `findOneAndX` and `findByIdAndX` functions support limited validation that
+ * you can enable by setting the `runValidators` option.
+ *
+ * If you need full-fledged validation, use the traditional approach of first
+ * retrieving the document.
+ *
+ *     const doc = await Model.findById(id);
+ *     doc.name = 'jason bourne';
+ *     await doc.save();
+ *
+ * @param {Object} [conditions]
+ * @param {Object} [update]
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {String} [options.returnDocument='before'] Has two possible values, `'before'` and `'after'`. By default, it will return the document before the update was applied.
+ * @param {Object} [options.lean] if truthy, mongoose will return the document as a plain JavaScript object rather than a mongoose document. See [`Query.lean()`](/docs/api.html#query_Query-lean) and [the Mongoose lean tutorial](/docs/tutorials/lean.html).
+ * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html).
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Note that this allows you to overwrite timestamps. Does nothing if schema-level timestamps are not set.
+ * @param {Boolean} [options.overwrite=false] By default, if you don't include any [update operators](https://docs.mongodb.com/manual/reference/operator/update/) in `update`, Mongoose will wrap `update` in `$set` for you. This prevents you from accidentally overwriting the document. This option tells Mongoose to skip adding `$set`. An alternative to this would be using [Model.findOneAndReplace(conditions, update, options, callback)](https://mongoosejs.com/docs/api/model.html#model_Model-findOneAndReplace).
+ * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document
+ * @param {Object|String|String[]} [options.projection=null] optional fields to return, see [`Query.prototype.select()`](#query_Query-select)
+ * @param {Boolean} [options.new=false] if true, return the modified document rather than the original
+ * @param {Object|String} [options.fields] Field selection. Equivalent to `.select(fields).findOneAndUpdate()`
+ * @param {Number} [options.maxTimeMS] puts a time limit on the query - requires mongodb >= 2.6.0
+ * @param {Object|String} [options.sort] if multiple docs are found by the conditions, sets the sort order to choose which doc to update.
+ * @param {Boolean} [options.runValidators] if true, runs [update validators](/docs/validation.html#update-validators) on this command. Update validators validate the update operation against the model's schema
+ * @param {Boolean} [options.setDefaultsOnInsert=true] If `setDefaultsOnInsert` and `upsert` are true, mongoose will apply the [defaults](https://mongoosejs.com/docs/defaults.html) specified in the model's schema if a new document is created
+ * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ * @param {Function} [callback]
+ * @return {Query}
+ * @see Tutorial /docs/tutorials/findoneandupdate.html
+ * @see mongodb https://www.mongodb.org/display/DOCS/findAndModify+Command
+ * @api public
+ */
+
+Model.findOneAndUpdate = function(conditions, update, options, callback) {
+  _checkContext(this, 'findOneAndUpdate');
+
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  } else if (arguments.length === 1) {
+    if (typeof conditions === 'function') {
+      const msg = 'Model.findOneAndUpdate(): First argument must not be a function.\n\n'
+          + '  ' + this.modelName + '.findOneAndUpdate(conditions, update, options, callback)\n'
+          + '  ' + this.modelName + '.findOneAndUpdate(conditions, update, options)\n'
+          + '  ' + this.modelName + '.findOneAndUpdate(conditions, update)\n'
+          + '  ' + this.modelName + '.findOneAndUpdate(update)\n'
+          + '  ' + this.modelName + '.findOneAndUpdate()\n';
+      throw new TypeError(msg);
+    }
+    update = conditions;
+    conditions = undefined;
+  }
+  callback = this.$handleCallbackError(callback);
+
+  let fields;
+  if (options) {
+    fields = options.fields || options.projection;
+  }
+
+  update = utils.clone(update, {
+    depopulate: true,
+    _isNested: true
+  });
+
+  _decorateUpdateWithVersionKey(update, options, this.schema.options.versionKey);
+
+  const mq = new this.Query({}, {}, this, this.$__collection);
+  mq.select(fields);
+
+  return mq.findOneAndUpdate(conditions, update, options, callback);
+};
+
+/**
+ * Decorate the update with a version key, if necessary
+ * @api private
+ */
+
+function _decorateUpdateWithVersionKey(update, options, versionKey) {
+  if (!versionKey || !(options && options.upsert || false)) {
+    return;
+  }
+
+  const updatedPaths = modifiedPaths(update);
+  if (!updatedPaths[versionKey]) {
+    if (options.overwrite) {
+      update[versionKey] = 0;
+    } else {
+      if (!update.$setOnInsert) {
+        update.$setOnInsert = {};
+      }
+      update.$setOnInsert[versionKey] = 0;
+    }
+  }
+}
+
+/**
+ * Issues a mongodb findAndModify update command by a document's _id field.
+ * `findByIdAndUpdate(id, ...)` is equivalent to `findOneAndUpdate({ _id: id }, ...)`.
+ *
+ * Finds a matching document, updates it according to the `update` arg,
+ * passing any `options`, and returns the found document (if any) to the
+ * callback. The query executes if `callback` is passed.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `findOneAndUpdate()`
+ *
+ * #### Examples:
+ *
+ *     A.findByIdAndUpdate(id, update, options, callback) // executes
+ *     A.findByIdAndUpdate(id, update, options)  // returns Query
+ *     A.findByIdAndUpdate(id, update, callback) // executes
+ *     A.findByIdAndUpdate(id, update)           // returns Query
+ *     A.findByIdAndUpdate()                     // returns Query
+ *
+ * #### Note:
+ *
+ * All top level update keys which are not `atomic` operation names are treated as set operations:
+ *
+ * #### Example:
+ *
+ *     Model.findByIdAndUpdate(id, { name: 'jason bourne' }, options, callback)
+ *
+ *     // is sent as
+ *     Model.findByIdAndUpdate(id, { $set: { name: 'jason bourne' }}, options, callback)
+ *
+ * This helps prevent accidentally overwriting your document with `{ name: 'jason bourne' }`.
+ *
+ * #### Note:
+ *
+ * `findOneAndX` and `findByIdAndX` functions support limited validation. You can
+ * enable validation by setting the `runValidators` option.
+ *
+ * If you need full-fledged validation, use the traditional approach of first
+ * retrieving the document.
+ *
+ *     const doc = await Model.findById(id)
+ *     doc.name = 'jason bourne';
+ *     await doc.save();
+ *
+ * @param {Object|Number|String} id value of `_id` to query by
+ * @param {Object} [update]
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {String} [options.returnDocument='before'] Has two possible values, `'before'` and `'after'`. By default, it will return the document before the update was applied.
+ * @param {Object} [options.lean] if truthy, mongoose will return the document as a plain JavaScript object rather than a mongoose document. See [`Query.lean()`](/docs/api.html#query_Query-lean) and [the Mongoose lean tutorial](/docs/tutorials/lean.html).
+ * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html).
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Note that this allows you to overwrite timestamps. Does nothing if schema-level timestamps are not set.
+ * @param {Boolean} [options.overwrite=false] By default, if you don't include any [update operators](https://docs.mongodb.com/manual/reference/operator/update/) in `update`, Mongoose will wrap `update` in `$set` for you. This prevents you from accidentally overwriting the document. This option tells Mongoose to skip adding `$set`. An alternative to this would be using [Model.findOneAndReplace({ _id: id }, update, options, callback)](https://mongoosejs.com/docs/api/model.html#model_Model-findOneAndReplace).
+ * @param {Object|String} [options.sort] if multiple docs are found by the conditions, sets the sort order to choose which doc to update.
+ * @param {Boolean} [options.runValidators] if true, runs [update validators](/docs/validation.html#update-validators) on this command. Update validators validate the update operation against the model's schema
+ * @param {Boolean} [options.setDefaultsOnInsert=true] If `setDefaultsOnInsert` and `upsert` are true, mongoose will apply the [defaults](https://mongoosejs.com/docs/defaults.html) specified in the model's schema if a new document is created
+ * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document
+ * @param {Boolean} [options.new=false] if true, return the modified document rather than the original
+ * @param {Object|String} [options.select] sets the document fields to return.
+ * @param {Function} [callback]
+ * @return {Query}
+ * @see Model.findOneAndUpdate #model_Model-findOneAndUpdate
+ * @see mongodb https://www.mongodb.org/display/DOCS/findAndModify+Command
+ * @api public
+ */
+
+Model.findByIdAndUpdate = function(id, update, options, callback) {
+  _checkContext(this, 'findByIdAndUpdate');
+
+  callback = this.$handleCallbackError(callback);
+  if (arguments.length === 1) {
+    if (typeof id === 'function') {
+      const msg = 'Model.findByIdAndUpdate(): First argument must not be a function.\n\n'
+          + '  ' + this.modelName + '.findByIdAndUpdate(id, callback)\n'
+          + '  ' + this.modelName + '.findByIdAndUpdate(id)\n'
+          + '  ' + this.modelName + '.findByIdAndUpdate()\n';
+      throw new TypeError(msg);
+    }
+    return this.findOneAndUpdate({ _id: id }, undefined);
+  }
+
+  // if a model is passed in instead of an id
+  if (id instanceof Document) {
+    id = id._id;
+  }
+
+  return this.findOneAndUpdate.call(this, { _id: id }, update, options, callback);
+};
+
+/**
+ * Issue a MongoDB `findOneAndDelete()` command.
+ *
+ * Finds a matching document, removes it, and passes the found document
+ * (if any) to the callback.
+ *
+ * Executes the query if `callback` is passed.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `findOneAndDelete()`
+ *
+ * This function differs slightly from `Model.findOneAndRemove()` in that
+ * `findOneAndRemove()` becomes a [MongoDB `findAndModify()` command](https://docs.mongodb.com/manual/reference/method/db.collection.findAndModify/),
+ * as opposed to a `findOneAndDelete()` command. For most mongoose use cases,
+ * this distinction is purely pedantic. You should use `findOneAndDelete()`
+ * unless you have a good reason not to.
+ *
+ * #### Examples:
+ *
+ *     A.findOneAndDelete(conditions, options, callback) // executes
+ *     A.findOneAndDelete(conditions, options)  // return Query
+ *     A.findOneAndDelete(conditions, callback) // executes
+ *     A.findOneAndDelete(conditions) // returns Query
+ *     A.findOneAndDelete()           // returns Query
+ *
+ * `findOneAndX` and `findByIdAndX` functions support limited validation. You can
+ * enable validation by setting the `runValidators` option.
+ *
+ * If you need full-fledged validation, use the traditional approach of first
+ * retrieving the document.
+ *
+ *     const doc = await Model.findById(id)
+ *     doc.name = 'jason bourne';
+ *     await doc.save();
+ *
+ * @param {Object} conditions
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Object|String|String[]} [options.projection=null] optional fields to return, see [`Query.prototype.select()`](#query_Query-select)
+ * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html).
+ * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ * @param {Object|String} [options.sort] if multiple docs are found by the conditions, sets the sort order to choose which doc to update.
+ * @param {Object|String} [options.select] sets the document fields to return.
+ * @param {Number} [options.maxTimeMS] puts a time limit on the query - requires mongodb >= 2.6.0
+ * @param {Function} [callback]
+ * @return {Query}
+ * @api public
+ */
+
+Model.findOneAndDelete = function(conditions, options, callback) {
+  _checkContext(this, 'findOneAndDelete');
+
+  if (arguments.length === 1 && typeof conditions === 'function') {
+    const msg = 'Model.findOneAndDelete(): First argument must not be a function.\n\n'
+        + '  ' + this.modelName + '.findOneAndDelete(conditions, callback)\n'
+        + '  ' + this.modelName + '.findOneAndDelete(conditions)\n'
+        + '  ' + this.modelName + '.findOneAndDelete()\n';
+    throw new TypeError(msg);
+  }
+
+  if (typeof options === 'function') {
+    callback = options;
+    options = undefined;
+  }
+  callback = this.$handleCallbackError(callback);
+
+  let fields;
+  if (options) {
+    fields = options.select;
+    options.select = undefined;
+  }
+
+  const mq = new this.Query({}, {}, this, this.$__collection);
+  mq.select(fields);
+
+  return mq.findOneAndDelete(conditions, options, callback);
+};
+
+/**
+ * Issue a MongoDB `findOneAndDelete()` command by a document's _id field.
+ * In other words, `findByIdAndDelete(id)` is a shorthand for
+ * `findOneAndDelete({ _id: id })`.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `findOneAndDelete()`
+ *
+ * @param {Object|Number|String} id value of `_id` to query by
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Function} [callback]
+ * @return {Query}
+ * @see Model.findOneAndRemove #model_Model-findOneAndRemove
+ * @see mongodb https://www.mongodb.org/display/DOCS/findAndModify+Command
+ */
+
+Model.findByIdAndDelete = function(id, options, callback) {
+  _checkContext(this, 'findByIdAndDelete');
+
+  if (arguments.length === 1 && typeof id === 'function') {
+    const msg = 'Model.findByIdAndDelete(): First argument must not be a function.\n\n'
+        + '  ' + this.modelName + '.findByIdAndDelete(id, callback)\n'
+        + '  ' + this.modelName + '.findByIdAndDelete(id)\n'
+        + '  ' + this.modelName + '.findByIdAndDelete()\n';
+    throw new TypeError(msg);
+  }
+  callback = this.$handleCallbackError(callback);
+
+  return this.findOneAndDelete({ _id: id }, options, callback);
+};
+
+/**
+ * Issue a MongoDB `findOneAndReplace()` command.
+ *
+ * Finds a matching document, replaces it with the provided doc, and passes the
+ * returned doc to the callback.
+ *
+ * Executes the query if `callback` is passed.
+ *
+ * This function triggers the following query middleware.
+ *
+ * - `findOneAndReplace()`
+ *
+ * #### Examples:
+ *
+ *     A.findOneAndReplace(filter, replacement, options, callback) // executes
+ *     A.findOneAndReplace(filter, replacement, options)  // return Query
+ *     A.findOneAndReplace(filter, replacement, callback) // executes
+ *     A.findOneAndReplace(filter, replacement) // returns Query
+ *     A.findOneAndReplace()                    // returns Query
+ *
+ * @param {Object} filter Replace the first document that matches this filter
+ * @param {Object} [replacement] Replace with this document
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {String} [options.returnDocument='before'] Has two possible values, `'before'` and `'after'`. By default, it will return the document before the update was applied.
+ * @param {Object} [options.lean] if truthy, mongoose will return the document as a plain JavaScript object rather than a mongoose document. See [`Query.lean()`](/docs/api.html#query_Query-lean) and [the Mongoose lean tutorial](/docs/tutorials/lean.html).
+ * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html).
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Note that this allows you to overwrite timestamps. Does nothing if schema-level timestamps are not set.
+ * @param {Object|String|String[]} [options.projection=null] optional fields to return, see [`Query.prototype.select()`](#query_Query-select)
+ * @param {Object|String} [options.sort] if multiple docs are found by the conditions, sets the sort order to choose which doc to update.
+ * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ * @param {Object|String} [options.select] sets the document fields to return.
+ * @param {Number} [options.maxTimeMS] puts a time limit on the query - requires mongodb >= 2.6.0
+ * @param {Function} [callback]
+ * @return {Query}
+ * @api public
+ */
+
+Model.findOneAndReplace = function(filter, replacement, options, callback) {
+  _checkContext(this, 'findOneAndReplace');
+
+  if (arguments.length === 1 && typeof filter === 'function') {
+    const msg = 'Model.findOneAndReplace(): First argument must not be a function.\n\n'
+        + '  ' + this.modelName + '.findOneAndReplace(filter, replacement, options, callback)\n'
+        + '  ' + this.modelName + '.findOneAndReplace(filter, replacement, callback)\n'
+        + '  ' + this.modelName + '.findOneAndReplace(filter, replacement)\n'
+        + '  ' + this.modelName + '.findOneAndReplace(filter, callback)\n'
+        + '  ' + this.modelName + '.findOneAndReplace()\n';
+    throw new TypeError(msg);
+  }
+
+  if (arguments.length === 3 && typeof options === 'function') {
+    callback = options;
+    options = replacement;
+    replacement = void 0;
+  }
+  if (arguments.length === 2 && typeof replacement === 'function') {
+    callback = replacement;
+    replacement = void 0;
+    options = void 0;
+  }
+  callback = this.$handleCallbackError(callback);
+
+  let fields;
+  if (options) {
+    fields = options.select;
+    options.select = undefined;
+  }
+
+  const mq = new this.Query({}, {}, this, this.$__collection);
+  mq.select(fields);
+
+  return mq.findOneAndReplace(filter, replacement, options, callback);
+};
+
+/**
+ * Issue a mongodb findAndModify remove command.
+ *
+ * Finds a matching document, removes it, passing the found document (if any) to the callback.
+ *
+ * Executes the query if `callback` is passed.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `findOneAndRemove()`
+ *
+ * #### Examples:
+ *
+ *     A.findOneAndRemove(conditions, options, callback) // executes
+ *     A.findOneAndRemove(conditions, options)  // return Query
+ *     A.findOneAndRemove(conditions, callback) // executes
+ *     A.findOneAndRemove(conditions) // returns Query
+ *     A.findOneAndRemove()           // returns Query
+ *
+ * `findOneAndX` and `findByIdAndX` functions support limited validation. You can
+ * enable validation by setting the `runValidators` option.
+ *
+ * If you need full-fledged validation, use the traditional approach of first
+ * retrieving the document.
+ *
+ *     const doc = await Model.findById(id);
+ *     doc.name = 'jason bourne';
+ *     await doc.save();
+ *
+ * @param {Object} conditions
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html).
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Object|String|String[]} [options.projection=null] optional fields to return, see [`Query.prototype.select()`](#query_Query-select)
+ * @param {Object|String} [options.sort] if multiple docs are found by the conditions, sets the sort order to choose which doc to update.
+ * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ * @param {Object|String} [options.select] sets the document fields to return.
+ * @param {Number} [options.maxTimeMS] puts a time limit on the query - requires mongodb >= 2.6.0
+ * @param {Function} [callback]
+ * @return {Query}
+ * @see mongodb https://www.mongodb.org/display/DOCS/findAndModify+Command
+ * @api public
+ */
+
+Model.findOneAndRemove = function(conditions, options, callback) {
+  _checkContext(this, 'findOneAndRemove');
+
+  if (arguments.length === 1 && typeof conditions === 'function') {
+    const msg = 'Model.findOneAndRemove(): First argument must not be a function.\n\n'
+        + '  ' + this.modelName + '.findOneAndRemove(conditions, callback)\n'
+        + '  ' + this.modelName + '.findOneAndRemove(conditions)\n'
+        + '  ' + this.modelName + '.findOneAndRemove()\n';
+    throw new TypeError(msg);
+  }
+
+  if (typeof options === 'function') {
+    callback = options;
+    options = undefined;
+  }
+  callback = this.$handleCallbackError(callback);
+
+  let fields;
+  if (options) {
+    fields = options.select;
+    options.select = undefined;
+  }
+
+  const mq = new this.Query({}, {}, this, this.$__collection);
+  mq.select(fields);
+
+  return mq.findOneAndRemove(conditions, options, callback);
+};
+
+/**
+ * Issue a mongodb findAndModify remove command by a document's _id field. `findByIdAndRemove(id, ...)` is equivalent to `findOneAndRemove({ _id: id }, ...)`.
+ *
+ * Finds a matching document, removes it, passing the found document (if any) to the callback.
+ *
+ * Executes the query if `callback` is passed.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `findOneAndRemove()`
+ *
+ * #### Examples:
+ *
+ *     A.findByIdAndRemove(id, options, callback) // executes
+ *     A.findByIdAndRemove(id, options)  // return Query
+ *     A.findByIdAndRemove(id, callback) // executes
+ *     A.findByIdAndRemove(id) // returns Query
+ *     A.findByIdAndRemove()           // returns Query
+ *
+ * @param {Object|Number|String} id value of `_id` to query by
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html).
+ * @param {Object|String|String[]} [options.projection=null] optional fields to return, see [`Query.prototype.select()`](#query_Query-select)
+ * @param {Object|String} [options.sort] if multiple docs are found by the conditions, sets the sort order to choose which doc to update.
+ * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ * @param {Object|String} [options.select] sets the document fields to return.
+ * @param {Function} [callback]
+ * @return {Query}
+ * @see Model.findOneAndRemove #model_Model-findOneAndRemove
+ * @see mongodb https://www.mongodb.org/display/DOCS/findAndModify+Command
+ */
+
+Model.findByIdAndRemove = function(id, options, callback) {
+  _checkContext(this, 'findByIdAndRemove');
+
+  if (arguments.length === 1 && typeof id === 'function') {
+    const msg = 'Model.findByIdAndRemove(): First argument must not be a function.\n\n'
+        + '  ' + this.modelName + '.findByIdAndRemove(id, callback)\n'
+        + '  ' + this.modelName + '.findByIdAndRemove(id)\n'
+        + '  ' + this.modelName + '.findByIdAndRemove()\n';
+    throw new TypeError(msg);
+  }
+  callback = this.$handleCallbackError(callback);
+
+  return this.findOneAndRemove({ _id: id }, options, callback);
+};
+
+/**
+ * Shortcut for saving one or more documents to the database.
+ * `MyModel.create(docs)` does `new MyModel(doc).save()` for every doc in
+ * docs.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `save()`
+ *
+ * #### Example:
+ *
+ *     // Insert one new `Character` document
+ *     await Character.create({ name: 'Jean-Luc Picard' });
+ *
+ *     // Insert multiple new `Character` documents
+ *     await Character.create([{ name: 'Will Riker' }, { name: 'Geordi LaForge' }]);
+ *
+ *     // Create a new character within a transaction. Note that you **must**
+ *     // pass an array as the first parameter to `create()` if you want to
+ *     // specify options.
+ *     await Character.create([{ name: 'Jean-Luc Picard' }], { session });
+ *
+ * @param {Array|Object} docs Documents to insert, as a spread or array
+ * @param {Object} [options] Options passed down to `save()`. To specify `options`, `docs` **must** be an array, not a spread. See [Model.save](#model_Model-save) for available options.
+ * @param {Function} [callback] callback
+ * @return {Promise}
+ * @api public
+ */
+
+Model.create = function create(doc, options, callback) {
+  _checkContext(this, 'create');
+
+  let args;
+  let cb;
+  const discriminatorKey = this.schema.options.discriminatorKey;
+
+  if (Array.isArray(doc)) {
+    args = doc;
+    cb = typeof options === 'function' ? options : callback;
+    options = options != null && typeof options === 'object' ? options : {};
+  } else {
+    const last = arguments[arguments.length - 1];
+    options = {};
+    // Handle falsy callbacks re: #5061
+    if (typeof last === 'function' || (arguments.length > 1 && !last)) {
+      args = [...arguments];
+      cb = args.pop();
+    } else {
+      args = [...arguments];
+    }
+
+    if (args.length === 2 &&
+        args[0] != null &&
+        args[1] != null &&
+        args[0].session == null &&
+        getConstructorName(last.session) === 'ClientSession' &&
+        !this.schema.path('session')) {
+      // Probably means the user is running into the common mistake of trying
+      // to use a spread to specify options, see gh-7535
+      utils.warn('WARNING: to pass a `session` to `Model.create()` in ' +
+        'Mongoose, you **must** pass an array as the first argument. See: ' +
+        'https://mongoosejs.com/docs/api.html#model_Model-create');
+    }
+  }
+
+  return this.db.base._promiseOrCallback(cb, cb => {
+    cb = this.$wrapCallback(cb);
+
+    if (args.length === 0) {
+      if (Array.isArray(doc)) {
+        return cb(null, []);
+      } else {
+        return cb(null);
+      }
+    }
+
+    const toExecute = [];
+    let firstError;
+    args.forEach(doc => {
+      toExecute.push(callback => {
+        const Model = this.discriminators && doc[discriminatorKey] != null ?
+          this.discriminators[doc[discriminatorKey]] || getDiscriminatorByValue(this.discriminators, doc[discriminatorKey]) :
+          this;
+        if (Model == null) {
+          throw new MongooseError(`Discriminator "${doc[discriminatorKey]}" not ` +
+            `found for model "${this.modelName}"`);
+        }
+        let toSave = doc;
+        const callbackWrapper = (error, doc) => {
+          if (error) {
+            if (!firstError) {
+              firstError = error;
+            }
+            return callback(null, { error: error });
+          }
+          callback(null, { doc: doc });
+        };
+
+        if (!(toSave instanceof Model)) {
+          try {
+            toSave = new Model(toSave);
+          } catch (error) {
+            return callbackWrapper(error);
+          }
+        }
+
+        toSave.$save(options, callbackWrapper);
+      });
+    });
+
+    let numFns = toExecute.length;
+    if (numFns === 0) {
+      return cb(null, []);
+    }
+    const _done = (error, res) => {
+      const savedDocs = [];
+      for (const val of res) {
+        if (val.doc) {
+          savedDocs.push(val.doc);
+        }
+      }
+
+      if (firstError) {
+        return cb(firstError, savedDocs);
+      }
+
+      if (Array.isArray(doc)) {
+        cb(null, savedDocs);
+      } else {
+        cb.apply(this, [null].concat(savedDocs));
+      }
+    };
+
+    const _res = [];
+    toExecute.forEach((fn, i) => {
+      fn((err, res) => {
+        _res[i] = res;
+        if (--numFns <= 0) {
+          return _done(null, _res);
+        }
+      });
+    });
+  }, this.events);
+};
+
+/**
+ * _Requires a replica set running MongoDB >= 3.6.0._ Watches the
+ * underlying collection for changes using
+ * [MongoDB change streams](https://docs.mongodb.com/manual/changeStreams/).
+ *
+ * This function does **not** trigger any middleware. In particular, it
+ * does **not** trigger aggregate middleware.
+ *
+ * The ChangeStream object is an event emitter that emits the following events:
+ *
+ * - 'change': A change occurred, see below example
+ * - 'error': An unrecoverable error occurred. In particular, change streams currently error out if they lose connection to the replica set primary. Follow [this GitHub issue](https://github.com/Automattic/mongoose/issues/6799) for updates.
+ * - 'end': Emitted if the underlying stream is closed
+ * - 'close': Emitted if the underlying stream is closed
+ *
+ * #### Example:
+ *
+ *     const doc = await Person.create({ name: 'Ned Stark' });
+ *     const changeStream = Person.watch().on('change', change => console.log(change));
+ *     // Will print from the above `console.log()`:
+ *     // { _id: { _data: ... },
+ *     //   operationType: 'delete',
+ *     //   ns: { db: 'mydb', coll: 'Person' },
+ *     //   documentKey: { _id: 5a51b125c5500f5aa094c7bd } }
+ *     await doc.remove();
+ *
+ * @param {Array} [pipeline]
+ * @param {Object} [options] see the [mongodb driver options](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#watch)
+ * @param {Boolean} [options.hydrate=false] if true and `fullDocument: 'updateLookup'` is set, Mongoose will automatically hydrate `fullDocument` into a fully fledged Mongoose document
+ * @return {ChangeStream} mongoose-specific change stream wrapper, inherits from EventEmitter
+ * @api public
+ */
+
+Model.watch = function(pipeline, options) {
+  _checkContext(this, 'watch');
+
+  const changeStreamThunk = cb => {
+    pipeline = pipeline || [];
+    prepareDiscriminatorPipeline(pipeline, this.schema, 'fullDocument');
+    if (this.$__collection.buffer) {
+      this.$__collection.addQueue(() => {
+        if (this.closed) {
+          return;
+        }
+        const driverChangeStream = this.$__collection.watch(pipeline, options);
+        cb(null, driverChangeStream);
+      });
+    } else {
+      const driverChangeStream = this.$__collection.watch(pipeline, options);
+      cb(null, driverChangeStream);
+    }
+  };
+
+  options = options || {};
+  options.model = this;
+
+  return new ChangeStream(changeStreamThunk, pipeline, options);
+};
+
+/**
+ * _Requires MongoDB >= 3.6.0._ Starts a [MongoDB session](https://docs.mongodb.com/manual/release-notes/3.6/#client-sessions)
+ * for benefits like causal consistency, [retryable writes](https://docs.mongodb.com/manual/core/retryable-writes/),
+ * and [transactions](https://thecodebarbarian.com/a-node-js-perspective-on-mongodb-4-transactions.html).
+ *
+ * Calling `MyModel.startSession()` is equivalent to calling `MyModel.db.startSession()`.
+ *
+ * This function does not trigger any middleware.
+ *
+ * #### Example:
+ *
+ *     const session = await Person.startSession();
+ *     let doc = await Person.findOne({ name: 'Ned Stark' }, null, { session });
+ *     await doc.remove();
+ *     // `doc` will always be null, even if reading from a replica set
+ *     // secondary. Without causal consistency, it is possible to
+ *     // get a doc back from the below query if the query reads from a
+ *     // secondary that is experiencing replication lag.
+ *     doc = await Person.findOne({ name: 'Ned Stark' }, null, { session, readPreference: 'secondary' });
+ *
+ * @param {Object} [options] see the [mongodb driver options](https://mongodb.github.io/node-mongodb-native/4.9/classes/MongoClient.html#startSession)
+ * @param {Boolean} [options.causalConsistency=true] set to false to disable causal consistency
+ * @param {Function} [callback]
+ * @return {Promise<ClientSession>} promise that resolves to a MongoDB driver `ClientSession`
+ * @api public
+ */
+
+Model.startSession = function() {
+  _checkContext(this, 'startSession');
+
+  return this.db.startSession.apply(this.db, arguments);
+};
+
+/**
+ * Shortcut for validating an array of documents and inserting them into
+ * MongoDB if they're all valid. This function is faster than `.create()`
+ * because it only sends one operation to the server, rather than one for each
+ * document.
+ *
+ * Mongoose always validates each document **before** sending `insertMany`
+ * to MongoDB. So if one document has a validation error, no documents will
+ * be saved, unless you set
+ * [the `ordered` option to false](https://docs.mongodb.com/manual/reference/method/db.collection.insertMany/#error-handling).
+ *
+ * This function does **not** trigger save middleware.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `insertMany()`
+ *
+ * #### Example:
+ *
+ *     const arr = [{ name: 'Star Wars' }, { name: 'The Empire Strikes Back' }];
+ *     Movies.insertMany(arr, function(error, docs) {});
+ *
+ * @param {Array|Object|*} doc(s)
+ * @param {Object} [options] see the [mongodb driver options](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#insertMany)
+ * @param {Boolean} [options.ordered=true] if true, will fail fast on the first error encountered. If false, will insert all the documents it can and report errors later. An `insertMany()` with `ordered = false` is called an "unordered" `insertMany()`.
+ * @param {Boolean} [options.rawResult=false] if false, the returned promise resolves to the documents that passed mongoose document validation. If `true`, will return the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/InsertManyResult.html) with a `mongoose` property that contains `validationErrors` if this is an unordered `insertMany`.
+ * @param {Boolean} [options.lean=false] if `true`, skips hydrating and validating the documents. This option is useful if you need the extra performance, but Mongoose won't validate the documents before inserting.
+ * @param {Number} [options.limit=null] this limits the number of documents being processed (validation/casting) by mongoose in parallel, this does **NOT** send the documents in batches to MongoDB. Use this option if you're processing a large number of documents and your app is running out of memory.
+ * @param {String|Object|Array} [options.populate=null] populates the result documents. This option is a no-op if `rawResult` is set.
+ * @param {Function} [callback] callback
+ * @return {Promise} resolving to the raw result from the MongoDB driver if `options.rawResult` was `true`, or the documents that passed validation, otherwise
+ * @api public
+ */
+
+Model.insertMany = function(arr, options, callback) {
+  _checkContext(this, 'insertMany');
+
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+  return this.db.base._promiseOrCallback(callback, cb => {
+    this.$__insertMany(arr, options, cb);
+  }, this.events);
+};
+
+/**
+ * ignore
+ *
+ * @param {Array} arr
+ * @param {Object} options
+ * @param {Function} callback
+ * @api private
+ * @memberOf Model
+ * @method $__insertMany
+ * @static
+ */
+
+Model.$__insertMany = function(arr, options, callback) {
+  const _this = this;
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+  if (callback) {
+    callback = this.$handleCallbackError(callback);
+    callback = this.$wrapCallback(callback);
+  }
+  callback = callback || utils.noop;
+  options = options || {};
+  const limit = options.limit || 1000;
+  const rawResult = !!options.rawResult;
+  const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+  const lean = !!options.lean;
+
+  if (!Array.isArray(arr)) {
+    arr = [arr];
+  }
+
+  const validationErrors = [];
+  const toExecute = arr.map(doc =>
+    callback => {
+      if (!(doc instanceof _this)) {
+        try {
+          doc = new _this(doc);
+        } catch (err) {
+          return callback(err);
+        }
+      }
+      if (options.session != null) {
+        doc.$session(options.session);
+      }
+      // If option `lean` is set to true bypass validation
+      if (lean) {
+        // we have to execute callback at the nextTick to be compatible
+        // with parallelLimit, as `results` variable has TDZ issue if we
+        // execute the callback synchronously
+        return immediate(() => callback(null, doc));
+      }
+      doc.$validate({ __noPromise: true }, function(error) {
+        if (error) {
+          // Option `ordered` signals that insert should be continued after reaching
+          // a failing insert. Therefore we delegate "null", meaning the validation
+          // failed. It's up to the next function to filter out all failed models
+          if (ordered === false) {
+            validationErrors.push(error);
+            return callback(null, null);
+          }
+          return callback(error);
+        }
+        callback(null, doc);
+      });
+    });
+
+  parallelLimit(toExecute, limit, function(error, docs) {
+    if (error) {
+      callback(error, null);
+      return;
+    }
+    // We filter all failed pre-validations by removing nulls
+    const docAttributes = docs.filter(function(doc) {
+      return doc != null;
+    });
+    // Quickly escape while there aren't any valid docAttributes
+    if (docAttributes.length === 0) {
+      if (rawResult) {
+        const res = {
+          mongoose: {
+            validationErrors: validationErrors
+          }
+        };
+        return callback(null, res);
+      }
+      callback(null, []);
+      return;
+    }
+    const docObjects = docAttributes.map(function(doc) {
+      if (doc.$__schema.options.versionKey) {
+        doc[doc.$__schema.options.versionKey] = 0;
+      }
+      if ((!options || options.timestamps !== false) && doc.initializeTimestamps) {
+        return doc.initializeTimestamps().toObject(internalToObjectOptions);
+      }
+      return doc.toObject(internalToObjectOptions);
+    });
+
+    _this.$__collection.insertMany(docObjects, options, function(error, res) {
+      if (error) {
+        // `writeErrors` is a property reported by the MongoDB driver,
+        // just not if there's only 1 error.
+        if (error.writeErrors == null &&
+           (error.result && error.result.result && error.result.result.writeErrors) != null) {
+          error.writeErrors = error.result.result.writeErrors;
+        }
+
+        // `insertedDocs` is a Mongoose-specific property
+        const erroredIndexes = new Set((error && error.writeErrors || []).map(err => err.index));
+
+        let firstErroredIndex = -1;
+        error.insertedDocs = docAttributes.
+          filter((doc, i) => {
+            const isErrored = erroredIndexes.has(i);
+
+            if (ordered) {
+              if (firstErroredIndex > -1) {
+                return i < firstErroredIndex;
+              }
+
+              if (isErrored) {
+                firstErroredIndex = i;
+              }
+            }
+
+            return !isErrored;
+          }).
+          map(function setIsNewForInsertedDoc(doc) {
+            doc.$__reset();
+            _setIsNew(doc, false);
+            return doc;
+          });
+
+        callback(error, null);
+        return;
+      }
+
+      for (const attribute of docAttributes) {
+        attribute.$__reset();
+        _setIsNew(attribute, false);
+      }
+
+      if (rawResult) {
+        if (ordered === false) {
+          // Decorate with mongoose validation errors in case of unordered,
+          // because then still do `insertMany()`
+          res.mongoose = {
+            validationErrors: validationErrors
+          };
+        }
+        return callback(null, res);
+      }
+
+      if (options.populate != null) {
+        return _this.populate(docAttributes, options.populate, err => {
+          if (err != null) {
+            error.insertedDocs = docAttributes;
+            return callback(err);
+          }
+
+          callback(null, docs);
+        });
+      }
+
+      callback(null, docAttributes);
+    });
+  });
+};
+
+/*!
+ * ignore
+ */
+
+function _setIsNew(doc, val) {
+  doc.$isNew = val;
+  doc.$emit('isNew', val);
+  doc.constructor.emit('isNew', val);
+
+  const subdocs = doc.$getAllSubdocs();
+  for (const subdoc of subdocs) {
+    subdoc.$isNew = val;
+    subdoc.$emit('isNew', val);
+  }
+}
+
+/**
+ * Sends multiple `insertOne`, `updateOne`, `updateMany`, `replaceOne`,
+ * `deleteOne`, and/or `deleteMany` operations to the MongoDB server in one
+ * command. This is faster than sending multiple independent operations (e.g.
+ * if you use `create()`) because with `bulkWrite()` there is only one round
+ * trip to MongoDB.
+ *
+ * Mongoose will perform casting on all operations you provide.
+ *
+ * This function does **not** trigger any middleware, neither `save()`, nor `update()`.
+ * If you need to trigger
+ * `save()` middleware for every document use [`create()`](https://mongoosejs.com/docs/api.html#model_Model-create) instead.
+ *
+ * #### Example:
+ *
+ *     Character.bulkWrite([
+ *       {
+ *         insertOne: {
+ *           document: {
+ *             name: 'Eddard Stark',
+ *             title: 'Warden of the North'
+ *           }
+ *         }
+ *       },
+ *       {
+ *         updateOne: {
+ *           filter: { name: 'Eddard Stark' },
+ *           // If you were using the MongoDB driver directly, you'd need to do
+ *           // `update: { $set: { title: ... } }` but mongoose adds $set for
+ *           // you.
+ *           update: { title: 'Hand of the King' }
+ *         }
+ *       },
+ *       {
+ *         deleteOne: {
+ *           filter: { name: 'Eddard Stark' }
+ *         }
+ *       }
+ *     ]).then(res => {
+ *      // Prints "1 1 1"
+ *      console.log(res.insertedCount, res.modifiedCount, res.deletedCount);
+ *     });
+ *
+ * The [supported operations](https://docs.mongodb.com/manual/reference/method/db.collection.bulkWrite/#db.collection.bulkWrite) are:
+ *
+ * - `insertOne`
+ * - `updateOne`
+ * - `updateMany`
+ * - `deleteOne`
+ * - `deleteMany`
+ * - `replaceOne`
+ *
+ * @param {Array} ops
+ * @param {Object} [ops.insertOne.document] The document to insert
+ * @param {Object} [ops.updateOne.filter] Update the first document that matches this filter
+ * @param {Object} [ops.updateOne.update] An object containing [update operators](https://docs.mongodb.com/manual/reference/operator/update/)
+ * @param {Boolean} [ops.updateOne.upsert=false] If true, insert a doc if none match
+ * @param {Boolean} [ops.updateOne.timestamps=true] If false, do not apply [timestamps](https://mongoosejs.com/docs/guide.html#timestamps) to the operation
+ * @param {Object} [ops.updateOne.collation] The [MongoDB collation](https://thecodebarbarian.com/a-nodejs-perspective-on-mongodb-34-collations) to use
+ * @param {Array} [ops.updateOne.arrayFilters] The [array filters](https://thecodebarbarian.com/a-nodejs-perspective-on-mongodb-36-array-filters.html) used in `update`
+ * @param {Object} [ops.updateMany.filter] Update all the documents that match this filter
+ * @param {Object} [ops.updateMany.update] An object containing [update operators](https://docs.mongodb.com/manual/reference/operator/update/)
+ * @param {Boolean} [ops.updateMany.upsert=false] If true, insert a doc if no documents match `filter`
+ * @param {Boolean} [ops.updateMany.timestamps=true] If false, do not apply [timestamps](https://mongoosejs.com/docs/guide.html#timestamps) to the operation
+ * @param {Object} [ops.updateMany.collation] The [MongoDB collation](https://thecodebarbarian.com/a-nodejs-perspective-on-mongodb-34-collations) to use
+ * @param {Array} [ops.updateMany.arrayFilters] The [array filters](https://thecodebarbarian.com/a-nodejs-perspective-on-mongodb-36-array-filters.html) used in `update`
+ * @param {Object} [ops.deleteOne.filter] Delete the first document that matches this filter
+ * @param {Object} [ops.deleteMany.filter] Delete all documents that match this filter
+ * @param {Object} [ops.replaceOne.filter] Replace the first document that matches this filter
+ * @param {Object} [ops.replaceOne.replacement] The replacement document
+ * @param {Boolean} [ops.replaceOne.upsert=false] If true, insert a doc if no documents match `filter`
+ * @param {Object} [options]
+ * @param {Boolean} [options.ordered=true] If true, execute writes in order and stop at the first error. If false, execute writes in parallel and continue until all writes have either succeeded or errored.
+ * @param {ClientSession} [options.session=null] The session associated with this bulk write. See [transactions docs](/docs/transactions.html).
+ * @param {String|number} [options.w=1] The [write concern](https://docs.mongodb.com/manual/reference/write-concern/). See [`Query#w()`](/docs/api.html#query_Query-w) for more information.
+ * @param {number} [options.wtimeout=null] The [write concern timeout](https://docs.mongodb.com/manual/reference/write-concern/#wtimeout).
+ * @param {Boolean} [options.j=true] If false, disable [journal acknowledgement](https://docs.mongodb.com/manual/reference/write-concern/#j-option)
+ * @param {Boolean} [options.skipValidation=false] Set to true to skip Mongoose schema validation on bulk write operations. Mongoose currently runs validation on `insertOne` and `replaceOne` operations by default.
+ * @param {Boolean} [options.bypassDocumentValidation=false] If true, disable [MongoDB server-side schema validation](https://docs.mongodb.com/manual/core/schema-validation/) for all writes in this bulk.
+ * @param {Boolean} [options.strict=null] Overwrites the [`strict` option](/docs/guide.html#strict) on schema. If false, allows filtering and writing fields not defined in the schema for all writes in this bulk.
+ * @param {Function} [callback] callback `function(error, bulkWriteOpResult) {}`
+ * @return {Promise} resolves to a [`BulkWriteOpResult`](https://mongodb.github.io/node-mongodb-native/4.9/classes/BulkWriteResult.html) if the operation succeeds
+ * @api public
+ */
+
+Model.bulkWrite = function(ops, options, callback) {
+  _checkContext(this, 'bulkWrite');
+
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+  options = options || {};
+
+  const validations = ops.map(op => castBulkWrite(this, op, options));
+
+  callback = this.$handleCallbackError(callback);
+  return this.db.base._promiseOrCallback(callback, cb => {
+    cb = this.$wrapCallback(cb);
+    each(validations, (fn, cb) => fn(cb), error => {
+      if (error) {
+        return cb(error);
+      }
+
+      if (ops.length === 0) {
+        return cb(null, getDefaultBulkwriteResult());
+      }
+
+      try {
+        this.$__collection.bulkWrite(ops, options, (error, res) => {
+          if (error) {
+            return cb(error);
+          }
+
+          cb(null, res);
+        });
+      } catch (err) {
+        return cb(err);
+      }
+    });
+  }, this.events);
+};
+
+/**
+ *  takes an array of documents, gets the changes and inserts/updates documents in the database
+ *  according to whether or not the document is new, or whether it has changes or not.
+ *
+ * `bulkSave` uses `bulkWrite` under the hood, so it's mostly useful when dealing with many documents (10K+)
+ *
+ * @param {Array<Document>} documents
+ * @param {Object} [options] options passed to the underlying `bulkWrite()`
+ * @param {Boolean} [options.timestamps] defaults to `null`, when set to false, mongoose will not add/update timestamps to the documents.
+ * @param {ClientSession} [options.session=null] The session associated with this bulk write. See [transactions docs](/docs/transactions.html).
+ * @param {String|number} [options.w=1] The [write concern](https://docs.mongodb.com/manual/reference/write-concern/). See [`Query#w()`](/docs/api.html#query_Query-w) for more information.
+ * @param {number} [options.wtimeout=null] The [write concern timeout](https://docs.mongodb.com/manual/reference/write-concern/#wtimeout).
+ * @param {Boolean} [options.j=true] If false, disable [journal acknowledgement](https://docs.mongodb.com/manual/reference/write-concern/#j-option)
+ *
+ */
+Model.bulkSave = async function(documents, options) {
+  options = options || {};
+
+  const writeOperations = this.buildBulkWriteOperations(documents, { skipValidation: true, timestamps: options.timestamps });
+
+  if (options.timestamps != null) {
+    for (const document of documents) {
+      document.$__.saveOptions = document.$__.saveOptions || {};
+      document.$__.saveOptions.timestamps = options.timestamps;
+    }
+  }
+
+  await Promise.all(documents.map(buildPreSavePromise));
+
+  const { bulkWriteResult, bulkWriteError } = await this.bulkWrite(writeOperations, options).then(
+    (res) => ({ bulkWriteResult: res, bulkWriteError: null }),
+    (err) => ({ bulkWriteResult: null, bulkWriteError: err })
+  );
+
+  await Promise.all(
+    documents.map(async(document) => {
+      const documentError = bulkWriteError && bulkWriteError.writeErrors.find(writeError => {
+        const writeErrorDocumentId = writeError.err.op._id || writeError.err.op.q._id;
+        return writeErrorDocumentId.toString() === document._id.toString();
+      });
+
+      if (documentError == null) {
+        await handleSuccessfulWrite(document);
+      }
+    })
+  );
+
+  if (bulkWriteError && bulkWriteError.writeErrors && bulkWriteError.writeErrors.length) {
+    throw bulkWriteError;
+  }
+
+  return bulkWriteResult;
+};
+
+function buildPreSavePromise(document) {
+  return new Promise((resolve, reject) => {
+    document.schema.s.hooks.execPre('save', document, (err) => {
+      if (err) {
+        reject(err);
+        return;
+      }
+      resolve();
+    });
+  });
+}
+
+function handleSuccessfulWrite(document) {
+  return new Promise((resolve, reject) => {
+    if (document.$isNew) {
+      _setIsNew(document, false);
+    }
+
+    document.$__reset();
+    document.schema.s.hooks.execPost('save', document, {}, (err) => {
+      if (err) {
+        reject(err);
+        return;
+      }
+      resolve();
+    });
+
+  });
+}
+
+/**
+ * Apply defaults to the given document or POJO.
+ *
+ * @param {Object|Document} obj object or document to apply defaults on
+ * @returns {Object|Document}
+ * @api public
+ */
+
+Model.applyDefaults = function applyDefaults(doc) {
+  if (doc.$__ != null) {
+    applyDefaultsHelper(doc, doc.$__.fields, doc.$__.exclude);
+
+    for (const subdoc of doc.$getAllSubdocs()) {
+      applyDefaults(subdoc, subdoc.$__.fields, subdoc.$__.exclude);
+    }
+
+    return doc;
+  }
+
+  applyDefaultsToPOJO(doc, this.schema);
+
+  return doc;
+};
+
+/**
+ * Cast the given POJO to the model's schema
+ *
+ * #### Example:
+ *
+ *     const Test = mongoose.model('Test', Schema({ num: Number }));
+ *
+ *     const obj = Test.castObject({ num: '42' });
+ *     obj.num; // 42 as a number
+ *
+ *     Test.castObject({ num: 'not a number' }); // Throws a ValidationError
+ *
+ * @param {Object} obj object or document to cast
+ * @param {Object} options options passed to castObject
+ * @param {Boolean} options.ignoreCastErrors If set to `true` will not throw a ValidationError and only return values that were successfully cast.
+ * @returns {Object} POJO casted to the model's schema
+ * @throws {ValidationError} if casting failed for at least one path
+ * @api public
+ */
+
+Model.castObject = function castObject(obj, options) {
+  options = options || {};
+  const ret = {};
+
+  const schema = this.schema;
+  const paths = Object.keys(schema.paths);
+
+  for (const path of paths) {
+    const schemaType = schema.path(path);
+    if (!schemaType || !schemaType.$isMongooseArray) {
+      continue;
+    }
+
+    const val = get(obj, path);
+    pushNestedArrayPaths(paths, val, path);
+  }
+
+  let error = null;
+
+  for (const path of paths) {
+    const schemaType = schema.path(path);
+    if (schemaType == null) {
+      continue;
+    }
+
+    let val = get(obj, path, void 0);
+
+    if (val == null) {
+      continue;
+    }
+
+    const pieces = path.indexOf('.') === -1 ? [path] : path.split('.');
+    let cur = ret;
+    for (let i = 0; i < pieces.length - 1; ++i) {
+      if (cur[pieces[i]] == null) {
+        cur[pieces[i]] = isNaN(pieces[i + 1]) ? {} : [];
+      }
+      cur = cur[pieces[i]];
+    }
+
+    if (schemaType.$isMongooseDocumentArray) {
+      continue;
+    }
+    if (schemaType.$isSingleNested || schemaType.$isMongooseDocumentArrayElement) {
+      try {
+        val = Model.castObject.call(schemaType.caster, val);
+      } catch (err) {
+        if (!options.ignoreCastErrors) {
+          error = error || new ValidationError();
+          error.addError(path, err);
+        }
+        continue;
+      }
+
+      cur[pieces[pieces.length - 1]] = val;
+      continue;
+    }
+
+    try {
+      val = schemaType.cast(val);
+      cur[pieces[pieces.length - 1]] = val;
+    } catch (err) {
+      if (!options.ignoreCastErrors) {
+        error = error || new ValidationError();
+        error.addError(path, err);
+      }
+
+      continue;
+    }
+  }
+
+  if (error != null) {
+    throw error;
+  }
+
+  return ret;
+};
+
+/**
+ * Build bulk write operations for `bulkSave()`.
+ *
+ * @param {Array<Document>} documents The array of documents to build write operations of
+ * @param {Object} options
+ * @param {Boolean} options.skipValidation defaults to `false`, when set to true, building the write operations will bypass validating the documents.
+ * @param {Boolean} options.timestamps defaults to `null`, when set to false, mongoose will not add/update timestamps to the documents.
+ * @return {Array<Promise>} Returns a array of all Promises the function executes to be awaited.
+ * @api private
+ */
+
+Model.buildBulkWriteOperations = function buildBulkWriteOperations(documents, options) {
+  if (!Array.isArray(documents)) {
+    throw new Error(`bulkSave expects an array of documents to be passed, received \`${documents}\` instead`);
+  }
+
+  setDefaultOptions();
+
+  const writeOperations = documents.reduce((accumulator, document, i) => {
+    if (!options.skipValidation) {
+      if (!(document instanceof Document)) {
+        throw new Error(`documents.${i} was not a mongoose document, documents must be an array of mongoose documents (instanceof mongoose.Document).`);
+      }
+      const validationError = document.validateSync();
+      if (validationError) {
+        throw validationError;
+      }
+    }
+
+    const isANewDocument = document.isNew;
+    if (isANewDocument) {
+      const writeOperation = { insertOne: { document } };
+      utils.injectTimestampsOption(writeOperation.insertOne, options.timestamps);
+      accumulator.push(writeOperation);
+
+      return accumulator;
+    }
+
+    const delta = document.$__delta();
+    const isDocumentWithChanges = delta != null && !utils.isEmptyObject(delta[0]);
+
+    if (isDocumentWithChanges) {
+      const where = document.$__where(delta[0]);
+      const changes = delta[1];
+
+      _applyCustomWhere(document, where);
+
+      document.$__version(where, delta);
+      const writeOperation = { updateOne: { filter: where, update: changes } };
+      utils.injectTimestampsOption(writeOperation.updateOne, options.timestamps);
+      accumulator.push(writeOperation);
+
+      return accumulator;
+    }
+
+    return accumulator;
+  }, []);
+
+  return writeOperations;
+
+
+  function setDefaultOptions() {
+    options = options || {};
+    if (options.skipValidation == null) {
+      options.skipValidation = false;
+    }
+  }
+};
+
+
+/**
+ * Shortcut for creating a new Document from existing raw data, pre-saved in the DB.
+ * The document returned has no paths marked as modified initially.
+ *
+ * #### Example:
+ *
+ *     // hydrate previous data into a Mongoose document
+ *     const mongooseCandy = Candy.hydrate({ _id: '54108337212ffb6d459f854c', type: 'jelly bean' });
+ *
+ * @param {Object} obj
+ * @param {Object|String|String[]} [projection] optional projection containing which fields should be selected for this document
+ * @param {Object} [options] optional options
+ * @param {Boolean} [options.setters=false] if true, apply schema setters when hydrating
+ * @return {Document} document instance
+ * @api public
+ */
+
+Model.hydrate = function(obj, projection, options) {
+  _checkContext(this, 'hydrate');
+
+  if (projection != null) {
+    if (obj != null && obj.$__ != null) {
+      obj = obj.toObject(internalToObjectOptions);
+    }
+    obj = applyProjection(obj, projection);
+  }
+
+  const document = require('./queryhelpers').createModel(this, obj, projection);
+  document.$init(obj, options);
+  return document;
+};
+
+/**
+ * Updates one document in the database without returning it.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `update()`
+ *
+ * This method is deprecated. See [Deprecation Warnings](../deprecations.html#update) for details.
+ *
+ * #### Examples:
+ *
+ *     MyModel.update({ age: { $gt: 18 } }, { oldEnough: true }, fn);
+ *
+ *     const res = await MyModel.update({ name: 'Tobi' }, { ferret: true });
+ *     res.n; // Number of documents that matched `{ name: 'Tobi' }`
+ *     // Number of documents that were changed. If every doc matched already
+ *     // had `ferret` set to `true`, `nModified` will be 0.
+ *     res.nModified;
+ *
+ * #### Valid options:
+ *
+ *  - `strict` (boolean): overrides the [schema-level `strict` option](/docs/guide.html#strict) for this update
+ *  - `upsert` (boolean): whether to create the doc if it doesn't match (false)
+ *  - `writeConcern` (object): sets the [write concern](https://docs.mongodb.com/manual/reference/write-concern/) for replica sets. Overrides the [schema-level write concern](/docs/guide.html#writeConcern)
+ *  - `multi` (boolean): whether multiple documents should be updated (false)
+ *  - `runValidators`: if true, runs [update validators](/docs/validation.html#update-validators) on this command. Update validators validate the update operation against the model's schema.
+ *  - `setDefaultsOnInsert` (boolean): if this and `upsert` are true, mongoose will apply the [defaults](https://mongoosejs.com/docs/defaults.html) specified in the model's schema if a new document is created. This option only works on MongoDB >= 2.4 because it relies on [MongoDB's `$setOnInsert` operator](https://docs.mongodb.org/v2.4/reference/operator/update/setOnInsert/).
+ *  - `timestamps` (boolean): If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Does nothing if schema-level timestamps are not set.
+ *  - `overwrite` (boolean): disables update-only mode, allowing you to overwrite the doc (false)
+ *
+ * All `update` values are cast to their appropriate SchemaTypes before being sent.
+ *
+ * The `callback` function receives `(err, rawResponse)`.
+ *
+ * - `err` is the error if any occurred
+ * - `rawResponse` is the full response from Mongo
+ *
+ * #### Note:
+ *
+ * All top level keys which are not `atomic` operation names are treated as set operations:
+ *
+ * #### Example:
+ *
+ *     const query = { name: 'borne' };
+ *     Model.update(query, { name: 'jason bourne' }, options, callback);
+ *
+ *     // is sent as
+ *     Model.update(query, { $set: { name: 'jason bourne' }}, options, function(err, res));
+ *     // if overwrite option is false. If overwrite is true, sent without the $set wrapper.
+ *
+ * This helps prevent accidentally overwriting all documents in your collection with `{ name: 'jason bourne' }`.
+ *
+ * #### Note:
+ *
+ * Be careful to not use an existing model instance for the update clause (this won't work and can cause weird behavior like infinite loops). Also, ensure that the update clause does not have an _id property, which causes Mongo to return a "Mod on _id not allowed" error.
+ *
+ * @deprecated
+ * @see strict https://mongoosejs.com/docs/guide.html#strict
+ * @see response https://docs.mongodb.org/v2.6/reference/command/update/#output
+ * @param {Object} filter
+ * @param {Object} doc
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](/docs/api.html#query_Query-setOptions)
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](/docs/guide.html#strict)
+ * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document
+ * @param {Object} [options.writeConcern=null] sets the [write concern](https://docs.mongodb.com/manual/reference/write-concern/) for replica sets. Overrides the [schema-level write concern](/docs/guide.html#writeConcern)
+ * @param {Boolean} [options.multi=false] whether multiple documents should be updated or just the first one that matches `filter`.
+ * @param {Boolean} [options.runValidators=false] if true, runs [update validators](/docs/validation.html#update-validators) on this command. Update validators validate the update operation against the model's schema.
+ * @param {Boolean} [options.setDefaultsOnInsert=false] `true` by default. If `setDefaultsOnInsert` and `upsert` are true, mongoose will apply the [defaults](https://mongoosejs.com/docs/defaults.html) specified in the model's schema if a new document is created.
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Does nothing if schema-level timestamps are not set.
+ * @param {Boolean} [options.overwrite=false] By default, if you don't include any [update operators](https://docs.mongodb.com/manual/reference/operator/update/) in `doc`, Mongoose will wrap `doc` in `$set` for you. This prevents you from accidentally overwriting the document. This option tells Mongoose to skip adding `$set`.
+ * @param {Function} [callback] params are (error, [updateWriteOpResult](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/UpdateResult.html))
+ * @return {Query}
+ * @see MongoDB docs https://docs.mongodb.com/manual/reference/command/update/#update-command-output
+ * @see UpdateResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/UpdateResult.html
+ * @see Query docs https://mongoosejs.com/docs/queries.html
+ * @api public
+ */
+
+Model.update = function update(conditions, doc, options, callback) {
+  _checkContext(this, 'update');
+
+  return _update(this, 'update', conditions, doc, options, callback);
+};
+
+/**
+ * Same as `update()`, except MongoDB will update _all_ documents that match
+ * `filter` (as opposed to just the first one) regardless of the value of
+ * the `multi` option.
+ *
+ * **Note** updateMany will _not_ fire update middleware. Use `pre('updateMany')`
+ * and `post('updateMany')` instead.
+ *
+ * #### Example:
+ *
+ *     const res = await Person.updateMany({ name: /Stark$/ }, { isDeleted: true });
+ *     res.matchedCount; // Number of documents matched
+ *     res.modifiedCount; // Number of documents modified
+ *     res.acknowledged; // Boolean indicating everything went smoothly.
+ *     res.upsertedId; // null or an id containing a document that had to be upserted.
+ *     res.upsertedCount; // Number indicating how many documents had to be upserted. Will either be 0 or 1.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `updateMany()`
+ *
+ * @param {Object} filter
+ * @param {Object|Array} update
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document
+ * @param {Object} [options.writeConcern=null] sets the [write concern](https://docs.mongodb.com/manual/reference/write-concern/) for replica sets. Overrides the [schema-level write concern](/docs/guide.html#writeConcern)
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Does nothing if schema-level timestamps are not set.
+ * @param {Function} [callback] `function(error, res) {}` where `res` has 5 properties: `modifiedCount`, `matchedCount`, `acknowledged`, `upsertedId`, and `upsertedCount`.
+ * @return {Query}
+ * @see Query docs https://mongoosejs.com/docs/queries.html
+ * @see MongoDB docs https://docs.mongodb.com/manual/reference/command/update/#update-command-output
+ * @see UpdateResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/UpdateResult.html
+ * @api public
+ */
+
+Model.updateMany = function updateMany(conditions, doc, options, callback) {
+  _checkContext(this, 'updateMany');
+
+  return _update(this, 'updateMany', conditions, doc, options, callback);
+};
+
+/**
+ * Same as `update()`, except it does not support the `multi` or `overwrite`
+ * options.
+ *
+ * - MongoDB will update _only_ the first document that matches `filter` regardless of the value of the `multi` option.
+ * - Use `replaceOne()` if you want to overwrite an entire document rather than using atomic operators like `$set`.
+ *
+ * #### Example:
+ *
+ *     const res = await Person.updateOne({ name: 'Jean-Luc Picard' }, { ship: 'USS Enterprise' });
+ *     res.matchedCount; // Number of documents matched
+ *     res.modifiedCount; // Number of documents modified
+ *     res.acknowledged; // Boolean indicating everything went smoothly.
+ *     res.upsertedId; // null or an id containing a document that had to be upserted.
+ *     res.upsertedCount; // Number indicating how many documents had to be upserted. Will either be 0 or 1.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `updateOne()`
+ *
+ * @param {Object} filter
+ * @param {Object|Array} update
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document
+ * @param {Object} [options.writeConcern=null] sets the [write concern](https://docs.mongodb.com/manual/reference/write-concern/) for replica sets. Overrides the [schema-level write concern](/docs/guide.html#writeConcern)
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Note that this allows you to overwrite timestamps. Does nothing if schema-level timestamps are not set.
+ * @param {Function} [callback] params are (error, writeOpResult)
+ * @return {Query}
+ * @see Query docs https://mongoosejs.com/docs/queries.html
+ * @see MongoDB docs https://docs.mongodb.com/manual/reference/command/update/#update-command-output
+ * @see UpdateResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/UpdateResult.html
+ * @api public
+ */
+
+Model.updateOne = function updateOne(conditions, doc, options, callback) {
+  _checkContext(this, 'updateOne');
+
+  return _update(this, 'updateOne', conditions, doc, options, callback);
+};
+
+/**
+ * Same as `update()`, except MongoDB replace the existing document with the
+ * given document (no atomic operators like `$set`).
+ *
+ * #### Example:
+ *
+ *     const res = await Person.replaceOne({ _id: 24601 }, { name: 'Jean Valjean' });
+ *     res.matchedCount; // Number of documents matched
+ *     res.modifiedCount; // Number of documents modified
+ *     res.acknowledged; // Boolean indicating everything went smoothly.
+ *     res.upsertedId; // null or an id containing a document that had to be upserted.
+ *     res.upsertedCount; // Number indicating how many documents had to be upserted. Will either be 0 or 1.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `replaceOne()`
+ *
+ * @param {Object} filter
+ * @param {Object} doc
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document
+ * @param {Object} [options.writeConcern=null] sets the [write concern](https://docs.mongodb.com/manual/reference/write-concern/) for replica sets. Overrides the [schema-level write concern](/docs/guide.html#writeConcern)
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Does nothing if schema-level timestamps are not set.
+ * @param {Function} [callback] `function(error, res) {}` where `res` has 3 properties: `n`, `nModified`, `ok`.
+ * @return {Query}
+ * @see Query docs https://mongoosejs.com/docs/queries.html
+ * @see UpdateResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/UpdateResult.html
+ * @return {Query}
+ * @api public
+ */
+
+Model.replaceOne = function replaceOne(conditions, doc, options, callback) {
+  _checkContext(this, 'replaceOne');
+
+  const versionKey = this && this.schema && this.schema.options && this.schema.options.versionKey || null;
+  if (versionKey && !doc[versionKey]) {
+    doc[versionKey] = 0;
+  }
+
+  return _update(this, 'replaceOne', conditions, doc, options, callback);
+};
+
+/**
+ * Common code for `updateOne()`, `updateMany()`, `replaceOne()`, and `update()`
+ * because they need to do the same thing
+ * @api private
+ */
+
+function _update(model, op, conditions, doc, options, callback) {
+  const mq = new model.Query({}, {}, model, model.collection);
+  callback = model.$handleCallbackError(callback);
+  // gh-2406
+  // make local deep copy of conditions
+  if (conditions instanceof Document) {
+    conditions = conditions.toObject();
+  } else {
+    conditions = utils.clone(conditions);
+  }
+  options = typeof options === 'function' ? options : utils.clone(options);
+
+  const versionKey = model &&
+  model.schema &&
+  model.schema.options &&
+  model.schema.options.versionKey || null;
+  _decorateUpdateWithVersionKey(doc, options, versionKey);
+
+  return mq[op](conditions, doc, options, callback);
+}
+
+/**
+ * Executes a mapReduce command.
+ *
+ * `opts` is an object specifying all mapReduce options as well as the map and reduce functions. All options are delegated to the driver implementation. See [node-mongodb-native mapReduce() documentation](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#mapReduce) for more detail about options.
+ *
+ * This function does not trigger any middleware.
+ *
+ * #### Example:
+ *
+ *     const opts = {};
+ *     // `map()` and `reduce()` are run on the MongoDB server, not Node.js,
+ *     // these functions are converted to strings
+ *     opts.map = function () { emit(this.name, 1) };
+ *     opts.reduce = function (k, vals) { return vals.length };
+ *     User.mapReduce(opts, function (err, results) {
+ *       console.log(results)
+ *     })
+ *
+ * If `opts.out` is set to `replace`, `merge`, or `reduce`, a Model instance is returned that can be used for further querying. Queries run against this model are all executed with the [`lean` option](/docs/tutorials/lean.html); meaning only the js object is returned and no Mongoose magic is applied (getters, setters, etc).
+ *
+ * #### Example:
+ *
+ *     const opts = {};
+ *     // You can also define `map()` and `reduce()` as strings if your
+ *     // linter complains about `emit()` not being defined
+ *     opts.map = 'function () { emit(this.name, 1) }';
+ *     opts.reduce = 'function (k, vals) { return vals.length }';
+ *     opts.out = { replace: 'createdCollectionNameForResults' }
+ *     opts.verbose = true;
+ *
+ *     User.mapReduce(opts, function (err, model, stats) {
+ *       console.log('map reduce took %d ms', stats.processtime)
+ *       model.find().where('value').gt(10).exec(function (err, docs) {
+ *         console.log(docs);
+ *       });
+ *     })
+ *
+ *     // `mapReduce()` returns a promise. However, ES6 promises can only
+ *     // resolve to exactly one value,
+ *     opts.resolveToObject = true;
+ *     const promise = User.mapReduce(opts);
+ *     promise.then(function (res) {
+ *       const model = res.model;
+ *       const stats = res.stats;
+ *       console.log('map reduce took %d ms', stats.processtime)
+ *       return model.find().where('value').gt(10).exec();
+ *     }).then(function (docs) {
+ *        console.log(docs);
+ *     }).then(null, handleError).end()
+ *
+ * @param {Object} opts an object specifying map-reduce options
+ * @param {Boolean} [opts.verbose=false] provide statistics on job execution time
+ * @param {ReadPreference|String} [opts.readPreference] a read-preference string or a read-preference instance
+ * @param {Boolean} [opts.jsMode=false] it is possible to make the execution stay in JS. Provided in MongoDB > 2.0.X
+ * @param {Object} [opts.scope] scope variables exposed to map/reduce/finalize during execution
+ * @param {Function} [opts.finalize] finalize function
+ * @param {Boolean} [opts.keeptemp=false] keep temporary data
+ * @param {Number} [opts.limit] max number of documents
+ * @param {Object} [opts.sort] sort input objects using this key
+ * @param {Object} [opts.query] query filter object
+ * @param {Object} [opts.out] sets the output target for the map reduce job
+ * @param {Number} [opts.out.inline=1] the results are returned in an array
+ * @param {String} [opts.out.replace] add the results to collectionName: the results replace the collection
+ * @param {String} [opts.out.reduce] add the results to collectionName: if dups are detected, uses the reducer / finalize functions
+ * @param {String} [opts.out.merge] add the results to collectionName: if dups exist the new docs overwrite the old
+ * @param {Function} [callback] optional callback
+ * @see MongoDB MapReduce https://www.mongodb.org/display/DOCS/MapReduce
+ * @return {Promise}
+ * @api public
+ */
+
+Model.mapReduce = function mapReduce(opts, callback) {
+  _checkContext(this, 'mapReduce');
+
+  callback = this.$handleCallbackError(callback);
+
+  return this.db.base._promiseOrCallback(callback, cb => {
+    cb = this.$wrapCallback(cb);
+
+    if (!Model.mapReduce.schema) {
+      const opts = { _id: false, id: false, strict: false };
+      Model.mapReduce.schema = new Schema({}, opts);
+    }
+
+    if (!opts.out) opts.out = { inline: 1 };
+    if (opts.verbose !== false) opts.verbose = true;
+
+    opts.map = String(opts.map);
+    opts.reduce = String(opts.reduce);
+
+    if (opts.query) {
+      let q = new this.Query(opts.query);
+      q.cast(this);
+      opts.query = q._conditions;
+      q = undefined;
+    }
+
+    this.$__collection.mapReduce(null, null, opts, (err, res) => {
+      if (err) {
+        return cb(err);
+      }
+      if (res.collection) {
+        // returned a collection, convert to Model
+        const model = Model.compile('_mapreduce_' + res.collection.collectionName,
+          Model.mapReduce.schema, res.collection.collectionName, this.db,
+          this.base);
+
+        model._mapreduce = true;
+        res.model = model;
+
+        return cb(null, res);
+      }
+
+      cb(null, res);
+    });
+  }, this.events);
+};
+
+/**
+ * Performs [aggregations](https://docs.mongodb.org/manual/applications/aggregation/) on the models collection.
+ *
+ * If a `callback` is passed, the `aggregate` is executed and a `Promise` is returned. If a callback is not passed, the `aggregate` itself is returned.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `aggregate()`
+ *
+ * #### Example:
+ *
+ *     // Find the max balance of all accounts
+ *     const res = await Users.aggregate([
+ *       { $group: { _id: null, maxBalance: { $max: '$balance' }}},
+ *       { $project: { _id: 0, maxBalance: 1 }}
+ *     ]);
+ *
+ *     console.log(res); // [ { maxBalance: 98000 } ]
+ *
+ *     // Or use the aggregation pipeline builder.
+ *     const res = await Users.aggregate().
+ *       group({ _id: null, maxBalance: { $max: '$balance' } }).
+ *       project('-id maxBalance').
+ *       exec();
+ *     console.log(res); // [ { maxBalance: 98 } ]
+ *
+ * #### Note:
+ *
+ * - Mongoose does **not** cast aggregation pipelines to the model's schema because `$project` and `$group` operators allow redefining the "shape" of the documents at any stage of the pipeline, which may leave documents in an incompatible format. You can use the [mongoose-cast-aggregation plugin](https://github.com/AbdelrahmanHafez/mongoose-cast-aggregation) to enable minimal casting for aggregation pipelines.
+ * - The documents returned are plain javascript objects, not mongoose documents (since any shape of document can be returned).
+ *
+ * #### More About Aggregations:
+ *
+ * - [Mongoose `Aggregate`](/docs/api/aggregate.html)
+ * - [An Introduction to Mongoose Aggregate](https://masteringjs.io/tutorials/mongoose/aggregate)
+ * - [MongoDB Aggregation docs](https://docs.mongodb.org/manual/applications/aggregation/)
+ *
+ * @see Aggregate #aggregate_Aggregate
+ * @see MongoDB https://docs.mongodb.org/manual/applications/aggregation/
+ * @param {Array} [pipeline] aggregation pipeline as an array of objects
+ * @param {Object} [options] aggregation options
+ * @param {Function} [callback]
+ * @return {Aggregate}
+ * @api public
+ */
+
+Model.aggregate = function aggregate(pipeline, options, callback) {
+  _checkContext(this, 'aggregate');
+
+  if (arguments.length > 3 || (pipeline && pipeline.constructor && pipeline.constructor.name) === 'Object') {
+    throw new MongooseError('Mongoose 5.x disallows passing a spread of operators ' +
+      'to `Model.aggregate()`. Instead of ' +
+      '`Model.aggregate({ $match }, { $skip })`, do ' +
+      '`Model.aggregate([{ $match }, { $skip }])`');
+  }
+
+  if (typeof pipeline === 'function') {
+    callback = pipeline;
+    pipeline = [];
+  }
+
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+
+  const aggregate = new Aggregate(pipeline || []);
+  aggregate.model(this);
+  if (options != null) {
+    aggregate.option(options);
+  }
+
+  if (typeof callback === 'undefined') {
+    return aggregate;
+  }
+
+  callback = this.$handleCallbackError(callback);
+  callback = this.$wrapCallback(callback);
+
+  aggregate.exec(callback);
+  return aggregate;
+};
+
+/**
+ * Casts and validates the given object against this model's schema, passing the
+ * given `context` to custom validators.
+ *
+ * #### Example:
+ *
+ *     const Model = mongoose.model('Test', Schema({
+ *       name: { type: String, required: true },
+ *       age: { type: Number, required: true }
+ *     });
+ *
+ *     try {
+ *       await Model.validate({ name: null }, ['name'])
+ *     } catch (err) {
+ *       err instanceof mongoose.Error.ValidationError; // true
+ *       Object.keys(err.errors); // ['name']
+ *     }
+ *
+ * @param {Object} obj
+ * @param {Array|String} pathsToValidate
+ * @param {Object} [context]
+ * @param {Function} [callback]
+ * @return {Promise|undefined}
+ * @api public
+ */
+
+Model.validate = function validate(obj, pathsToValidate, context, callback) {
+  if ((arguments.length < 3) || (arguments.length === 3 && typeof arguments[2] === 'function')) {
+    // For convenience, if we're validating a document or an object, make `context` default to
+    // the model so users don't have to always pass `context`, re: gh-10132, gh-10346
+    context = obj;
+  }
+
+  return this.db.base._promiseOrCallback(callback, cb => {
+    const schema = this.schema;
+    let paths = Object.keys(schema.paths);
+
+    if (pathsToValidate != null) {
+      const _pathsToValidate = typeof pathsToValidate === 'string' ? new Set(pathsToValidate.split(' ')) : new Set(pathsToValidate);
+      paths = paths.filter(p => {
+        const pieces = p.split('.');
+        let cur = pieces[0];
+
+        for (const piece of pieces) {
+          if (_pathsToValidate.has(cur)) {
+            return true;
+          }
+          cur += '.' + piece;
+        }
+
+        return _pathsToValidate.has(p);
+      });
+    }
+
+    for (const path of paths) {
+      const schemaType = schema.path(path);
+      if (!schemaType || !schemaType.$isMongooseArray || schemaType.$isMongooseDocumentArray) {
+        continue;
+      }
+
+      const val = get(obj, path);
+      pushNestedArrayPaths(paths, val, path);
+    }
+
+    let remaining = paths.length;
+    let error = null;
+
+    for (const path of paths) {
+      const schemaType = schema.path(path);
+      if (schemaType == null) {
+        _checkDone();
+        continue;
+      }
+
+      const pieces = path.indexOf('.') === -1 ? [path] : path.split('.');
+      let cur = obj;
+      for (let i = 0; i < pieces.length - 1; ++i) {
+        cur = cur[pieces[i]];
+      }
+
+      let val = get(obj, path, void 0);
+
+      if (val != null) {
+        try {
+          val = schemaType.cast(val);
+          cur[pieces[pieces.length - 1]] = val;
+        } catch (err) {
+          error = error || new ValidationError();
+          error.addError(path, err);
+
+          _checkDone();
+          continue;
+        }
+      }
+
+      schemaType.doValidate(val, err => {
+        if (err) {
+          error = error || new ValidationError();
+          error.addError(path, err);
+        }
+        _checkDone();
+      }, context, { path: path });
+    }
+
+    function _checkDone() {
+      if (--remaining <= 0) {
+        return cb(error);
+      }
+    }
+  });
+};
+
+/**
+ * Populates document references.
+ *
+ * Changed in Mongoose 6: the model you call `populate()` on should be the
+ * "local field" model, **not** the "foreign field" model.
+ *
+ * #### Available top-level options:
+ *
+ * - path: space delimited path(s) to populate
+ * - select: optional fields to select
+ * - match: optional query conditions to match
+ * - model: optional name of the model to use for population
+ * - options: optional query options like sort, limit, etc
+ * - justOne: optional boolean, if true Mongoose will always set `path` to an array. Inferred from schema by default.
+ * - strictPopulate: optional boolean, set to `false` to allow populating paths that aren't in the schema.
+ *
+ * #### Examples:
+ *
+ *     const Dog = mongoose.model('Dog', new Schema({ name: String, breed: String }));
+ *     const Person = mongoose.model('Person', new Schema({
+ *       name: String,
+ *       pet: { type: mongoose.ObjectId, ref: 'Dog' }
+ *     }));
+ *
+ *     const pets = await Pet.create([
+ *       { name: 'Daisy', breed: 'Beagle' },
+ *       { name: 'Einstein', breed: 'Catalan Sheepdog' }
+ *     ]);
+ *
+ *     // populate many plain objects
+ *     const users = [
+ *       { name: 'John Wick', dog: pets[0]._id },
+ *       { name: 'Doc Brown', dog: pets[1]._id }
+ *     ];
+ *     await User.populate(users, { path: 'dog', select: 'name' });
+ *     users[0].dog.name; // 'Daisy'
+ *     users[0].dog.breed; // undefined because of `select`
+ *
+ * @param {Document|Array} docs Either a single document or array of documents to populate.
+ * @param {Object|String} options Either the paths to populate or an object specifying all parameters
+ * @param {string} [options.path=null] The path to populate.
+ * @param {string|PopulateOptions} [options.populate=null] Recursively populate paths in the populated documents. See [deep populate docs](/docs/populate.html#deep-populate).
+ * @param {boolean} [options.retainNullValues=false] By default, Mongoose removes null and undefined values from populated arrays. Use this option to make `populate()` retain `null` and `undefined` array entries.
+ * @param {boolean} [options.getters=false] If true, Mongoose will call any getters defined on the `localField`. By default, Mongoose gets the raw value of `localField`. For example, you would need to set this option to `true` if you wanted to [add a `lowercase` getter to your `localField`](/docs/schematypes.html#schematype-options).
+ * @param {boolean} [options.clone=false] When you do `BlogPost.find().populate('author')`, blog posts with the same author will share 1 copy of an `author` doc. Enable this option to make Mongoose clone populated docs before assigning them.
+ * @param {Object|Function} [options.match=null] Add an additional filter to the populate query. Can be a filter object containing [MongoDB query syntax](https://docs.mongodb.com/manual/tutorial/query-documents/), or a function that returns a filter object.
+ * @param {Boolean} [options.skipInvalidIds=false] By default, Mongoose throws a cast error if `localField` and `foreignField` schemas don't line up. If you enable this option, Mongoose will instead filter out any `localField` properties that cannot be casted to `foreignField`'s schema type.
+ * @param {Number} [options.perDocumentLimit=null] For legacy reasons, `limit` with `populate()` may give incorrect results because it only executes a single query for every document being populated. If you set `perDocumentLimit`, Mongoose will ensure correct `limit` per document by executing a separate query for each document to `populate()`. For example, `.find().populate({ path: 'test', perDocumentLimit: 2 })` will execute 2 additional queries if `.find()` returns 2 documents.
+ * @param {Boolean} [options.strictPopulate=true] Set to false to allow populating paths that aren't defined in the given model's schema.
+ * @param {Object} [options.options=null] Additional options like `limit` and `lean`.
+ * @param {Function} [options.transform=null] Function that Mongoose will call on every populated document that allows you to transform the populated document.
+ * @param {Function} [callback(err,doc)] Optional callback, executed upon completion. Receives `err` and the `doc(s)`.
+ * @return {Promise}
+ * @api public
+ */
+
+Model.populate = function(docs, paths, callback) {
+  _checkContext(this, 'populate');
+
+  const _this = this;
+
+  // normalized paths
+  paths = utils.populate(paths);
+
+  // data that should persist across subPopulate calls
+  const cache = {};
+
+  callback = this.$handleCallbackError(callback);
+  return this.db.base._promiseOrCallback(callback, cb => {
+    cb = this.$wrapCallback(cb);
+    _populate(_this, docs, paths, cache, cb);
+  }, this.events);
+};
+
+/**
+ * Populate helper
+ *
+ * @param {Model} model the model to use
+ * @param {Document|Array} docs Either a single document or array of documents to populate.
+ * @param {Object} paths
+ * @param {never} cache Unused
+ * @param {Function} [callback] Optional callback, executed upon completion. Receives `err` and the `doc(s)`.
+ * @return {Function}
+ * @api private
+ */
+
+function _populate(model, docs, paths, cache, callback) {
+  let pending = paths.length;
+  if (paths.length === 0) {
+    return callback(null, docs);
+  }
+  // each path has its own query options and must be executed separately
+  for (const path of paths) {
+    populate(model, docs, path, next);
+  }
+
+  function next(err) {
+    if (err) {
+      return callback(err, null);
+    }
+    if (--pending) {
+      return;
+    }
+    callback(null, docs);
+  }
+}
+
+/*!
+ * Populates `docs`
+ */
+const excludeIdReg = /\s?-_id\s?/;
+const excludeIdRegGlobal = /\s?-_id\s?/g;
+
+function populate(model, docs, options, callback) {
+  const populateOptions = { ...options };
+  if (options.strictPopulate == null) {
+    if (options._localModel != null && options._localModel.schema._userProvidedOptions.strictPopulate != null) {
+      populateOptions.strictPopulate = options._localModel.schema._userProvidedOptions.strictPopulate;
+    } else if (options._localModel != null && model.base.options.strictPopulate != null) {
+      populateOptions.strictPopulate = model.base.options.strictPopulate;
+    } else if (model.base.options.strictPopulate != null) {
+      populateOptions.strictPopulate = model.base.options.strictPopulate;
+    }
+  }
+
+  // normalize single / multiple docs passed
+  if (!Array.isArray(docs)) {
+    docs = [docs];
+  }
+  if (docs.length === 0 || docs.every(utils.isNullOrUndefined)) {
+    return callback();
+  }
+
+  const modelsMap = getModelsMapForPopulate(model, docs, populateOptions);
+  if (modelsMap instanceof MongooseError) {
+    return immediate(function() {
+      callback(modelsMap);
+    });
+  }
+
+  const len = modelsMap.length;
+  let vals = [];
+
+  function flatten(item) {
+    // no need to include undefined values in our query
+    return undefined !== item;
+  }
+
+  let _remaining = len;
+  let hasOne = false;
+  const params = [];
+  for (let i = 0; i < len; ++i) {
+    const mod = modelsMap[i];
+    let select = mod.options.select;
+    let ids = utils.array.flatten(mod.ids, flatten);
+    ids = utils.array.unique(ids);
+
+    const assignmentOpts = {};
+    assignmentOpts.sort = mod &&
+      mod.options &&
+      mod.options.options &&
+      mod.options.options.sort || void 0;
+    assignmentOpts.excludeId = excludeIdReg.test(select) || (select && select._id === 0);
+
+    // Lean transform may delete `_id`, which would cause assignment
+    // to fail. So delay running lean transform until _after_
+    // `_assign()`
+    if (mod.options &&
+        mod.options.options &&
+        mod.options.options.lean &&
+        mod.options.options.lean.transform) {
+      mod.options.options._leanTransform = mod.options.options.lean.transform;
+      mod.options.options.lean = true;
+    }
+
+    if (ids.length === 0 || ids.every(utils.isNullOrUndefined)) {
+      // Ensure that we set to 0 or empty array even
+      // if we don't actually execute a query to make sure there's a value
+      // and we know this path was populated for future sets. See gh-7731, gh-8230
+      --_remaining;
+      _assign(model, [], mod, assignmentOpts);
+      continue;
+    }
+
+    hasOne = true;
+    const match = createPopulateQueryFilter(ids, mod.match, mod.foreignField, mod.model, mod.options.skipInvalidIds);
+
+    if (assignmentOpts.excludeId) {
+      // override the exclusion from the query so we can use the _id
+      // for document matching during assignment. we'll delete the
+      // _id back off before returning the result.
+      if (typeof select === 'string') {
+        select = select.replace(excludeIdRegGlobal, ' ');
+      } else {
+        // preserve original select conditions by copying
+        select = utils.object.shallowCopy(select);
+        delete select._id;
+      }
+    }
+
+    if (mod.options.options && mod.options.options.limit != null) {
+      assignmentOpts.originalLimit = mod.options.options.limit;
+    } else if (mod.options.limit != null) {
+      assignmentOpts.originalLimit = mod.options.limit;
+    }
+    params.push([mod, match, select, assignmentOpts, _next]);
+  }
+  if (!hasOne) {
+    // If models but no docs, skip further deep populate.
+    if (modelsMap.length !== 0) {
+      return callback();
+    }
+    // If no models to populate but we have a nested populate,
+    // keep trying, re: gh-8946
+    if (populateOptions.populate != null) {
+      const opts = utils.populate(populateOptions.populate).map(pop => Object.assign({}, pop, {
+        path: populateOptions.path + '.' + pop.path
+      }));
+      return model.populate(docs, opts, callback);
+    }
+    return callback();
+  }
+
+  for (const arr of params) {
+    _execPopulateQuery.apply(null, arr);
+  }
+  function _next(err, valsFromDb) {
+    if (err != null) {
+      return callback(err, null);
+    }
+    vals = vals.concat(valsFromDb);
+    if (--_remaining === 0) {
+      _done();
+    }
+  }
+
+  function _done() {
+    for (const arr of params) {
+      const mod = arr[0];
+      const assignmentOpts = arr[3];
+      for (const val of vals) {
+        mod.options._childDocs.push(val);
+      }
+      _assign(model, vals, mod, assignmentOpts);
+    }
+
+    for (const arr of params) {
+      removeDeselectedForeignField(arr[0].foreignField, arr[0].options, vals);
+    }
+    for (const arr of params) {
+      const mod = arr[0];
+      if (mod.options && mod.options.options && mod.options.options._leanTransform) {
+        for (const doc of vals) {
+          mod.options.options._leanTransform(doc);
+        }
+      }
+    }
+    callback();
+  }
+}
+
+/*!
+ * ignore
+ */
+
+function _execPopulateQuery(mod, match, select, assignmentOpts, callback) {
+  let subPopulate = utils.clone(mod.options.populate);
+  const queryOptions = Object.assign({
+    skip: mod.options.skip,
+    limit: mod.options.limit,
+    perDocumentLimit: mod.options.perDocumentLimit
+  }, mod.options.options);
+
+  if (mod.count) {
+    delete queryOptions.skip;
+  }
+
+  if (queryOptions.perDocumentLimit != null) {
+    queryOptions.limit = queryOptions.perDocumentLimit;
+    delete queryOptions.perDocumentLimit;
+  } else if (queryOptions.limit != null) {
+    queryOptions.limit = queryOptions.limit * mod.ids.length;
+  }
+
+  const query = mod.model.find(match, select, queryOptions);
+  // If we're doing virtual populate and projection is inclusive and foreign
+  // field is not selected, automatically select it because mongoose needs it.
+  // If projection is exclusive and client explicitly unselected the foreign
+  // field, that's the client's fault.
+  for (const foreignField of mod.foreignField) {
+    if (foreignField !== '_id' && query.selectedInclusively() &&
+        !isPathSelectedInclusive(query._fields, foreignField)) {
+      query.select(foreignField);
+    }
+  }
+
+  // If using count, still need the `foreignField` so we can match counts
+  // to documents, otherwise we would need a separate `count()` for every doc.
+  if (mod.count) {
+    for (const foreignField of mod.foreignField) {
+      query.select(foreignField);
+    }
+  }
+
+  // If we need to sub-populate, call populate recursively
+  if (subPopulate) {
+    // If subpopulating on a discriminator, skip check for non-existent
+    // paths. Because the discriminator may not have the path defined.
+    if (mod.model.baseModelName != null) {
+      if (Array.isArray(subPopulate)) {
+        subPopulate.forEach(pop => { pop.strictPopulate = false; });
+      } else if (typeof subPopulate === 'string') {
+        subPopulate = { path: subPopulate, strictPopulate: false };
+      } else {
+        subPopulate.strictPopulate = false;
+      }
+    }
+    const basePath = mod.options._fullPath || mod.options.path;
+
+    if (Array.isArray(subPopulate)) {
+      for (const pop of subPopulate) {
+        pop._fullPath = basePath + '.' + pop.path;
+      }
+    } else if (typeof subPopulate === 'object') {
+      subPopulate._fullPath = basePath + '.' + subPopulate.path;
+    }
+
+    query.populate(subPopulate);
+  }
+
+  query.exec((err, docs) => {
+    if (err != null) {
+      return callback(err);
+    }
+
+    for (const val of docs) {
+      leanPopulateMap.set(val, mod.model);
+    }
+    callback(null, docs);
+  });
+}
+
+/*!
+ * ignore
+ */
+
+function _assign(model, vals, mod, assignmentOpts) {
+  const options = mod.options;
+  const isVirtual = mod.isVirtual;
+  const justOne = mod.justOne;
+  let _val;
+  const lean = options &&
+    options.options &&
+    options.options.lean || false;
+  const len = vals.length;
+  const rawOrder = {};
+  const rawDocs = {};
+  let key;
+  let val;
+
+  // Clone because `assignRawDocsToIdStructure` will mutate the array
+  const allIds = utils.clone(mod.allIds);
+  // optimization:
+  // record the document positions as returned by
+  // the query result.
+  for (let i = 0; i < len; i++) {
+    val = vals[i];
+    if (val == null) {
+      continue;
+    }
+
+    for (const foreignField of mod.foreignField) {
+      _val = utils.getValue(foreignField, val);
+      if (Array.isArray(_val)) {
+        _val = utils.array.unique(utils.array.flatten(_val));
+
+        for (let __val of _val) {
+          if (__val instanceof Document) {
+            __val = __val._id;
+          }
+          key = String(__val);
+          if (rawDocs[key]) {
+            if (Array.isArray(rawDocs[key])) {
+              rawDocs[key].push(val);
+              rawOrder[key].push(i);
+            } else {
+              rawDocs[key] = [rawDocs[key], val];
+              rawOrder[key] = [rawOrder[key], i];
+            }
+          } else {
+            if (isVirtual && !justOne) {
+              rawDocs[key] = [val];
+              rawOrder[key] = [i];
+            } else {
+              rawDocs[key] = val;
+              rawOrder[key] = i;
+            }
+          }
+        }
+      } else {
+        if (_val instanceof Document) {
+          _val = _val._id;
+        }
+        key = String(_val);
+        if (rawDocs[key]) {
+          if (Array.isArray(rawDocs[key])) {
+            rawDocs[key].push(val);
+            rawOrder[key].push(i);
+          } else if (isVirtual ||
+            rawDocs[key].constructor !== val.constructor ||
+            String(rawDocs[key]._id) !== String(val._id)) {
+            // May need to store multiple docs with the same id if there's multiple models
+            // if we have discriminators or a ref function. But avoid converting to an array
+            // if we have multiple queries on the same model because of `perDocumentLimit` re: gh-9906
+            rawDocs[key] = [rawDocs[key], val];
+            rawOrder[key] = [rawOrder[key], i];
+          }
+        } else {
+          rawDocs[key] = val;
+          rawOrder[key] = i;
+        }
+      }
+      // flag each as result of population
+      if (!lean) {
+        val.$__.wasPopulated = val.$__.wasPopulated || true;
+      }
+    }
+  }
+
+  assignVals({
+    originalModel: model,
+    // If virtual, make sure to not mutate original field
+    rawIds: mod.isVirtual ? allIds : mod.allIds,
+    allIds: allIds,
+    unpopulatedValues: mod.unpopulatedValues,
+    foreignField: mod.foreignField,
+    rawDocs: rawDocs,
+    rawOrder: rawOrder,
+    docs: mod.docs,
+    path: options.path,
+    options: assignmentOpts,
+    justOne: mod.justOne,
+    isVirtual: mod.isVirtual,
+    allOptions: mod,
+    populatedModel: mod.model,
+    lean: lean,
+    virtual: mod.virtual,
+    count: mod.count,
+    match: mod.match
+  });
+}
+
+/**
+ * Compiler utility.
+ *
+ * @param {String|Function} name model name or class extending Model
+ * @param {Schema} schema
+ * @param {String} collectionName
+ * @param {Connection} connection
+ * @param {Mongoose} base mongoose instance
+ * @api private
+ */
+
+Model.compile = function compile(name, schema, collectionName, connection, base) {
+  const versioningEnabled = schema.options.versionKey !== false;
+
+  if (versioningEnabled && !schema.paths[schema.options.versionKey]) {
+    // add versioning to top level documents only
+    const o = {};
+    o[schema.options.versionKey] = Number;
+    schema.add(o);
+  }
+  let model;
+  if (typeof name === 'function' && name.prototype instanceof Model) {
+    model = name;
+    name = model.name;
+    schema.loadClass(model, false);
+    model.prototype.$isMongooseModelPrototype = true;
+  } else {
+    // generate new class
+    model = function model(doc, fields, skipId) {
+      model.hooks.execPreSync('createModel', doc);
+      if (!(this instanceof model)) {
+        return new model(doc, fields, skipId);
+      }
+      const discriminatorKey = model.schema.options.discriminatorKey;
+
+      if (model.discriminators == null || doc == null || doc[discriminatorKey] == null) {
+        Model.call(this, doc, fields, skipId);
+        return;
+      }
+
+      // If discriminator key is set, use the discriminator instead (gh-7586)
+      const Discriminator = model.discriminators[doc[discriminatorKey]] ||
+        getDiscriminatorByValue(model.discriminators, doc[discriminatorKey]);
+      if (Discriminator != null) {
+        return new Discriminator(doc, fields, skipId);
+      }
+
+      // Otherwise, just use the top-level model
+      Model.call(this, doc, fields, skipId);
+    };
+  }
+
+  model.hooks = schema.s.hooks.clone();
+  model.base = base;
+  model.modelName = name;
+
+  if (!(model.prototype instanceof Model)) {
+    Object.setPrototypeOf(model, Model);
+    Object.setPrototypeOf(model.prototype, Model.prototype);
+  }
+  model.model = function model(name) {
+    return this.db.model(name);
+  };
+
+  model.db = connection;
+  model.prototype.db = connection;
+  model.prototype[modelDbSymbol] = connection;
+  model.discriminators = model.prototype.discriminators = undefined;
+  model[modelSymbol] = true;
+  model.events = new EventEmitter();
+
+  schema._preCompile();
+
+  model.prototype.$__setSchema(schema);
+
+  const _userProvidedOptions = schema._userProvidedOptions || {};
+
+  const collectionOptions = {
+    schemaUserProvidedOptions: _userProvidedOptions,
+    capped: schema.options.capped,
+    Promise: model.base.Promise,
+    modelName: name
+  };
+  if (schema.options.autoCreate !== void 0) {
+    collectionOptions.autoCreate = schema.options.autoCreate;
+  }
+
+  model.prototype.collection = connection.collection(
+    collectionName,
+    collectionOptions
+  );
+
+  model.prototype.$collection = model.prototype.collection;
+  model.prototype[modelCollectionSymbol] = model.prototype.collection;
+
+  // apply methods and statics
+  applyMethods(model, schema);
+  applyStatics(model, schema);
+  applyHooks(model, schema);
+  applyStaticHooks(model, schema.s.hooks, schema.statics);
+
+  model.schema = model.prototype.$__schema;
+  model.collection = model.prototype.collection;
+  model.$__collection = model.collection;
+
+  // Create custom query constructor
+  model.Query = function() {
+    Query.apply(this, arguments);
+  };
+  Object.setPrototypeOf(model.Query.prototype, Query.prototype);
+  model.Query.base = Query.base;
+  model.Query.prototype.constructor = Query;
+  applyQueryMiddleware(model.Query, model);
+  applyQueryMethods(model, schema.query);
+
+  return model;
+};
+
+/**
+ * Register custom query methods for this model
+ *
+ * @param {Model} model
+ * @param {Schema} schema
+ * @api private
+ */
+
+function applyQueryMethods(model, methods) {
+  for (const i in methods) {
+    model.Query.prototype[i] = methods[i];
+  }
+}
+
+/**
+ * Subclass this model with `conn`, `schema`, and `collection` settings.
+ *
+ * @param {Connection} conn
+ * @param {Schema} [schema]
+ * @param {String} [collection]
+ * @return {Model}
+ * @api private
+ * @memberOf Model
+ * @static
+ * @method __subclass
+ */
+
+Model.__subclass = function subclass(conn, schema, collection) {
+  // subclass model using this connection and collection name
+  const _this = this;
+
+  const Model = function Model(doc, fields, skipId) {
+    if (!(this instanceof Model)) {
+      return new Model(doc, fields, skipId);
+    }
+    _this.call(this, doc, fields, skipId);
+  };
+
+  Object.setPrototypeOf(Model, _this);
+  Object.setPrototypeOf(Model.prototype, _this.prototype);
+  Model.db = conn;
+  Model.prototype.db = conn;
+  Model.prototype[modelDbSymbol] = conn;
+
+  _this[subclassedSymbol] = _this[subclassedSymbol] || [];
+  _this[subclassedSymbol].push(Model);
+  if (_this.discriminators != null) {
+    Model.discriminators = {};
+    for (const key of Object.keys(_this.discriminators)) {
+      Model.discriminators[key] = _this.discriminators[key].
+        __subclass(_this.db, _this.discriminators[key].schema, collection);
+    }
+  }
+
+  const s = schema && typeof schema !== 'string'
+    ? schema
+    : _this.prototype.$__schema;
+
+  const options = s.options || {};
+  const _userProvidedOptions = s._userProvidedOptions || {};
+
+  if (!collection) {
+    collection = _this.prototype.$__schema.get('collection') ||
+      utils.toCollectionName(_this.modelName, this.base.pluralize());
+  }
+
+  const collectionOptions = {
+    schemaUserProvidedOptions: _userProvidedOptions,
+    capped: s && options.capped
+  };
+
+  Model.prototype.collection = conn.collection(collection, collectionOptions);
+  Model.prototype.$collection = Model.prototype.collection;
+  Model.prototype[modelCollectionSymbol] = Model.prototype.collection;
+  Model.collection = Model.prototype.collection;
+  Model.$__collection = Model.collection;
+  // Errors handled internally, so ignore
+  Model.init(() => {});
+  return Model;
+};
+
+Model.$handleCallbackError = function(callback) {
+  if (callback == null) {
+    return callback;
+  }
+  if (typeof callback !== 'function') {
+    throw new MongooseError('Callback must be a function, got ' + callback);
+  }
+
+  const _this = this;
+  return function() {
+    immediate(() => {
+      try {
+        callback.apply(null, arguments);
+      } catch (error) {
+        _this.emit('error', error);
+      }
+    });
+  };
+};
+
+/**
+ * ignore
+ *
+ * @param {Function} callback
+ * @api private
+ * @method $wrapCallback
+ * @memberOf Model
+ * @static
+ */
+
+Model.$wrapCallback = function(callback) {
+  const serverSelectionError = new ServerSelectionError();
+  const _this = this;
+
+  return function(err) {
+    if (err != null && err.name === 'MongoServerSelectionError') {
+      arguments[0] = serverSelectionError.assimilateError(err);
+    }
+    if (err != null && err.name === 'MongoNetworkTimeoutError' && err.message.endsWith('timed out')) {
+      _this.db.emit('timeout');
+    }
+
+    return callback.apply(null, arguments);
+  };
+};
+
+/**
+ * Helper for console.log. Given a model named 'MyModel', returns the string
+ * `'Model { MyModel }'`.
+ *
+ * #### Example:
+ *
+ *     const MyModel = mongoose.model('Test', Schema({ name: String }));
+ *     MyModel.inspect(); // 'Model { Test }'
+ *     console.log(MyModel); // Prints 'Model { Test }'
+ *
+ * @api public
+ */
+
+Model.inspect = function() {
+  return `Model { ${this.modelName} }`;
+};
+
+if (util.inspect.custom) {
+  // Avoid Node deprecation warning DEP0079
+  Model[util.inspect.custom] = Model.inspect;
+}
+
+/*!
+ * Module exports.
+ */
+
+module.exports = exports = Model;
diff --git a/node_modules/mongoose/lib/options.js b/node_modules/mongoose/lib/options.js
new file mode 100644
index 000000000..4826e59fd
--- /dev/null
+++ b/node_modules/mongoose/lib/options.js
@@ -0,0 +1,15 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+exports.internalToObjectOptions = {
+  transform: false,
+  virtuals: false,
+  getters: false,
+  _skipDepopulateTopLevel: true,
+  depopulate: true,
+  flattenDecimals: false,
+  useProjection: false
+};
diff --git a/node_modules/mongoose/lib/options/PopulateOptions.js b/node_modules/mongoose/lib/options/PopulateOptions.js
new file mode 100644
index 000000000..ad743fe0f
--- /dev/null
+++ b/node_modules/mongoose/lib/options/PopulateOptions.js
@@ -0,0 +1,36 @@
+'use strict';
+
+const clone = require('../helpers/clone');
+
+class PopulateOptions {
+  constructor(obj) {
+    this._docs = {};
+    this._childDocs = [];
+
+    if (obj == null) {
+      return;
+    }
+    obj = clone(obj);
+    Object.assign(this, obj);
+    if (typeof obj.subPopulate === 'object') {
+      this.populate = obj.subPopulate;
+    }
+
+
+    if (obj.perDocumentLimit != null && obj.limit != null) {
+      throw new Error('Can not use `limit` and `perDocumentLimit` at the same time. Path: `' + obj.path + '`.');
+    }
+  }
+}
+
+/**
+ * The connection used to look up models by name. If not specified, Mongoose
+ * will default to using the connection associated with the model in
+ * `PopulateOptions#model`.
+ *
+ * @memberOf PopulateOptions
+ * @property {Connection} connection
+ * @api public
+ */
+
+module.exports = PopulateOptions;
diff --git a/node_modules/mongoose/lib/options/SchemaArrayOptions.js b/node_modules/mongoose/lib/options/SchemaArrayOptions.js
new file mode 100644
index 000000000..54ad4f090
--- /dev/null
+++ b/node_modules/mongoose/lib/options/SchemaArrayOptions.js
@@ -0,0 +1,78 @@
+'use strict';
+
+const SchemaTypeOptions = require('./SchemaTypeOptions');
+
+/**
+ * The options defined on an Array schematype.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ tags: [String] });
+ *     schema.path('tags').options; // SchemaArrayOptions instance
+ *
+ * @api public
+ * @inherits SchemaTypeOptions
+ * @constructor SchemaArrayOptions
+ */
+
+class SchemaArrayOptions extends SchemaTypeOptions {}
+
+const opts = require('./propertyOptions');
+
+/**
+ * If this is an array of strings, an array of allowed values for this path.
+ * Throws an error if this array isn't an array of strings.
+ *
+ * @api public
+ * @property enum
+ * @memberOf SchemaArrayOptions
+ * @type {Array}
+ * @instance
+ */
+
+Object.defineProperty(SchemaArrayOptions.prototype, 'enum', opts);
+
+/**
+ * If set, specifies the type of this array's values. Equivalent to setting
+ * `type` to an array whose first element is `of`.
+ *
+ * #### Example:
+ *
+ *     // `arr` is an array of numbers.
+ *     new Schema({ arr: [Number] });
+ *     // Equivalent way to define `arr` as an array of numbers
+ *     new Schema({ arr: { type: Array, of: Number } });
+ *
+ * @api public
+ * @property of
+ * @memberOf SchemaArrayOptions
+ * @type {Function|String}
+ * @instance
+ */
+
+Object.defineProperty(SchemaArrayOptions.prototype, 'of', opts);
+
+/**
+ * If set to `false`, will always deactivate casting non-array values to arrays.
+ * If set to `true`, will cast non-array values to arrays if `init` and `SchemaArray.options.castNonArrays` are also `true`
+ *
+ * #### Example:
+ *
+ *     const Model = db.model('Test', new Schema({ x1: { castNonArrays: false, type: [String] } }));
+ *     const doc = new Model({ x1: "some non-array value" });
+ *     await doc.validate(); // Errors with "CastError"
+ *
+ * @api public
+ * @property castNonArrays
+ * @memberOf SchemaArrayOptions
+ * @type {Boolean}
+ * @instance
+ */
+
+Object.defineProperty(SchemaArrayOptions.prototype, 'castNonArrays', opts);
+
+/*!
+ * ignore
+ */
+
+module.exports = SchemaArrayOptions;
diff --git a/node_modules/mongoose/lib/options/SchemaBufferOptions.js b/node_modules/mongoose/lib/options/SchemaBufferOptions.js
new file mode 100644
index 000000000..377e3566a
--- /dev/null
+++ b/node_modules/mongoose/lib/options/SchemaBufferOptions.js
@@ -0,0 +1,38 @@
+'use strict';
+
+const SchemaTypeOptions = require('./SchemaTypeOptions');
+
+/**
+ * The options defined on a Buffer schematype.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ bitmap: Buffer });
+ *     schema.path('bitmap').options; // SchemaBufferOptions instance
+ *
+ * @api public
+ * @inherits SchemaTypeOptions
+ * @constructor SchemaBufferOptions
+ */
+
+class SchemaBufferOptions extends SchemaTypeOptions {}
+
+const opts = require('./propertyOptions');
+
+/**
+ * Set the default subtype for this buffer.
+ *
+ * @api public
+ * @property subtype
+ * @memberOf SchemaBufferOptions
+ * @type {Number}
+ * @instance
+ */
+
+Object.defineProperty(SchemaBufferOptions.prototype, 'subtype', opts);
+
+/*!
+ * ignore
+ */
+
+module.exports = SchemaBufferOptions;
diff --git a/node_modules/mongoose/lib/options/SchemaDateOptions.js b/node_modules/mongoose/lib/options/SchemaDateOptions.js
new file mode 100644
index 000000000..c7d3d4e10
--- /dev/null
+++ b/node_modules/mongoose/lib/options/SchemaDateOptions.js
@@ -0,0 +1,71 @@
+'use strict';
+
+const SchemaTypeOptions = require('./SchemaTypeOptions');
+
+/**
+ * The options defined on a Date schematype.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ startedAt: Date });
+ *     schema.path('startedAt').options; // SchemaDateOptions instance
+ *
+ * @api public
+ * @inherits SchemaTypeOptions
+ * @constructor SchemaDateOptions
+ */
+
+class SchemaDateOptions extends SchemaTypeOptions {}
+
+const opts = require('./propertyOptions');
+
+/**
+ * If set, Mongoose adds a validator that checks that this path is after the
+ * given `min`.
+ *
+ * @api public
+ * @property min
+ * @memberOf SchemaDateOptions
+ * @type {Date}
+ * @instance
+ */
+
+Object.defineProperty(SchemaDateOptions.prototype, 'min', opts);
+
+/**
+ * If set, Mongoose adds a validator that checks that this path is before the
+ * given `max`.
+ *
+ * @api public
+ * @property max
+ * @memberOf SchemaDateOptions
+ * @type {Date}
+ * @instance
+ */
+
+Object.defineProperty(SchemaDateOptions.prototype, 'max', opts);
+
+/**
+ * If set, Mongoose creates a TTL index on this path.
+ *
+ * mongo TTL index `expireAfterSeconds` value will take 'expires' value expressed in seconds.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ "expireAt": { type: Date,  expires: 11 } });
+ *     // if 'expireAt' is set, then document expires at expireAt + 11 seconds
+ *
+ * @api public
+ * @property expires
+ * @memberOf SchemaDateOptions
+ * @type {Date}
+ * @instance
+ */
+
+Object.defineProperty(SchemaDateOptions.prototype, 'expires', opts);
+
+/*!
+ * ignore
+ */
+
+module.exports = SchemaDateOptions;
diff --git a/node_modules/mongoose/lib/options/SchemaDocumentArrayOptions.js b/node_modules/mongoose/lib/options/SchemaDocumentArrayOptions.js
new file mode 100644
index 000000000..b826b8787
--- /dev/null
+++ b/node_modules/mongoose/lib/options/SchemaDocumentArrayOptions.js
@@ -0,0 +1,68 @@
+'use strict';
+
+const SchemaTypeOptions = require('./SchemaTypeOptions');
+
+/**
+ * The options defined on an Document Array schematype.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ users: [{ name: string }] });
+ *     schema.path('users').options; // SchemaDocumentArrayOptions instance
+ *
+ * @api public
+ * @inherits SchemaTypeOptions
+ * @constructor SchemaDocumentOptions
+ */
+
+class SchemaDocumentArrayOptions extends SchemaTypeOptions {}
+
+const opts = require('./propertyOptions');
+
+/**
+ * If `true`, Mongoose will skip building any indexes defined in this array's schema.
+ * If not set, Mongoose will build all indexes defined in this array's schema.
+ *
+ * #### Example:
+ *
+ *     const childSchema = Schema({ name: { type: String, index: true } });
+ *     // If `excludeIndexes` is `true`, Mongoose will skip building an index
+ *     // on `arr.name`. Otherwise, Mongoose will build an index on `arr.name`.
+ *     const parentSchema = Schema({
+ *       arr: { type: [childSchema], excludeIndexes: true }
+ *     });
+ *
+ * @api public
+ * @property excludeIndexes
+ * @memberOf SchemaDocumentArrayOptions
+ * @type {Array}
+ * @instance
+ */
+
+Object.defineProperty(SchemaDocumentArrayOptions.prototype, 'excludeIndexes', opts);
+
+/**
+ * If set, overwrites the child schema's `_id` option.
+ *
+ * #### Example:
+ *
+ *     const childSchema = Schema({ name: String });
+ *     const parentSchema = Schema({
+ *       child: { type: childSchema, _id: false }
+ *     });
+ *     parentSchema.path('child').schema.options._id; // false
+ *
+ * @api public
+ * @property _id
+ * @memberOf SchemaDocumentArrayOptions
+ * @type {Array}
+ * @instance
+ */
+
+Object.defineProperty(SchemaDocumentArrayOptions.prototype, '_id', opts);
+
+/*!
+ * ignore
+ */
+
+module.exports = SchemaDocumentArrayOptions;
diff --git a/node_modules/mongoose/lib/options/SchemaMapOptions.js b/node_modules/mongoose/lib/options/SchemaMapOptions.js
new file mode 100644
index 000000000..bbabaa070
--- /dev/null
+++ b/node_modules/mongoose/lib/options/SchemaMapOptions.js
@@ -0,0 +1,43 @@
+'use strict';
+
+const SchemaTypeOptions = require('./SchemaTypeOptions');
+
+/**
+ * The options defined on a Map schematype.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ socialMediaHandles: { type: Map, of: String } });
+ *     schema.path('socialMediaHandles').options; // SchemaMapOptions instance
+ *
+ * @api public
+ * @inherits SchemaTypeOptions
+ * @constructor SchemaMapOptions
+ */
+
+class SchemaMapOptions extends SchemaTypeOptions {}
+
+const opts = require('./propertyOptions');
+
+/**
+ * If set, specifies the type of this map's values. Mongoose will cast
+ * this map's values to the given type.
+ *
+ * If not set, Mongoose will not cast the map's values.
+ *
+ * #### Example:
+ *
+ *     // Mongoose will cast `socialMediaHandles` values to strings
+ *     const schema = new Schema({ socialMediaHandles: { type: Map, of: String } });
+ *     schema.path('socialMediaHandles').options.of; // String
+ *
+ * @api public
+ * @property of
+ * @memberOf SchemaMapOptions
+ * @type {Function|string}
+ * @instance
+ */
+
+Object.defineProperty(SchemaMapOptions.prototype, 'of', opts);
+
+module.exports = SchemaMapOptions;
diff --git a/node_modules/mongoose/lib/options/SchemaNumberOptions.js b/node_modules/mongoose/lib/options/SchemaNumberOptions.js
new file mode 100644
index 000000000..bd91da01b
--- /dev/null
+++ b/node_modules/mongoose/lib/options/SchemaNumberOptions.js
@@ -0,0 +1,101 @@
+'use strict';
+
+const SchemaTypeOptions = require('./SchemaTypeOptions');
+
+/**
+ * The options defined on a Number schematype.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ count: Number });
+ *     schema.path('count').options; // SchemaNumberOptions instance
+ *
+ * @api public
+ * @inherits SchemaTypeOptions
+ * @constructor SchemaNumberOptions
+ */
+
+class SchemaNumberOptions extends SchemaTypeOptions {}
+
+const opts = require('./propertyOptions');
+
+/**
+ * If set, Mongoose adds a validator that checks that this path is at least the
+ * given `min`.
+ *
+ * @api public
+ * @property min
+ * @memberOf SchemaNumberOptions
+ * @type {Number}
+ * @instance
+ */
+
+Object.defineProperty(SchemaNumberOptions.prototype, 'min', opts);
+
+/**
+ * If set, Mongoose adds a validator that checks that this path is less than the
+ * given `max`.
+ *
+ * @api public
+ * @property max
+ * @memberOf SchemaNumberOptions
+ * @type {Number}
+ * @instance
+ */
+
+Object.defineProperty(SchemaNumberOptions.prototype, 'max', opts);
+
+/**
+ * If set, Mongoose adds a validator that checks that this path is strictly
+ * equal to one of the given values.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({
+ *       favoritePrime: {
+ *         type: Number,
+ *         enum: [3, 5, 7]
+ *       }
+ *     });
+ *     schema.path('favoritePrime').options.enum; // [3, 5, 7]
+ *
+ * @api public
+ * @property enum
+ * @memberOf SchemaNumberOptions
+ * @type {Array}
+ * @instance
+ */
+
+Object.defineProperty(SchemaNumberOptions.prototype, 'enum', opts);
+
+/**
+ * Sets default [populate options](/docs/populate.html#query-conditions).
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({
+ *       child: {
+ *         type: Number,
+ *         ref: 'Child',
+ *         populate: { select: 'name' }
+ *       }
+ *     });
+ *     const Parent = mongoose.model('Parent', schema);
+ *
+ *     // Automatically adds `.select('name')`
+ *     Parent.findOne().populate('child');
+ *
+ * @api public
+ * @property populate
+ * @memberOf SchemaNumberOptions
+ * @type {Object}
+ * @instance
+ */
+
+Object.defineProperty(SchemaNumberOptions.prototype, 'populate', opts);
+
+/*!
+ * ignore
+ */
+
+module.exports = SchemaNumberOptions;
diff --git a/node_modules/mongoose/lib/options/SchemaObjectIdOptions.js b/node_modules/mongoose/lib/options/SchemaObjectIdOptions.js
new file mode 100644
index 000000000..37048e92c
--- /dev/null
+++ b/node_modules/mongoose/lib/options/SchemaObjectIdOptions.js
@@ -0,0 +1,64 @@
+'use strict';
+
+const SchemaTypeOptions = require('./SchemaTypeOptions');
+
+/**
+ * The options defined on an ObjectId schematype.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ testId: mongoose.ObjectId });
+ *     schema.path('testId').options; // SchemaObjectIdOptions instance
+ *
+ * @api public
+ * @inherits SchemaTypeOptions
+ * @constructor SchemaObjectIdOptions
+ */
+
+class SchemaObjectIdOptions extends SchemaTypeOptions {}
+
+const opts = require('./propertyOptions');
+
+/**
+ * If truthy, uses Mongoose's default built-in ObjectId path.
+ *
+ * @api public
+ * @property auto
+ * @memberOf SchemaObjectIdOptions
+ * @type {Boolean}
+ * @instance
+ */
+
+Object.defineProperty(SchemaObjectIdOptions.prototype, 'auto', opts);
+
+/**
+ * Sets default [populate options](/docs/populate.html#query-conditions).
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({
+ *       child: {
+ *         type: 'ObjectId',
+ *         ref: 'Child',
+ *         populate: { select: 'name' }
+ *       }
+ *     });
+ *     const Parent = mongoose.model('Parent', schema);
+ *
+ *     // Automatically adds `.select('name')`
+ *     Parent.findOne().populate('child');
+ *
+ * @api public
+ * @property populate
+ * @memberOf SchemaObjectIdOptions
+ * @type {Object}
+ * @instance
+ */
+
+Object.defineProperty(SchemaObjectIdOptions.prototype, 'populate', opts);
+
+/*!
+ * ignore
+ */
+
+module.exports = SchemaObjectIdOptions;
diff --git a/node_modules/mongoose/lib/options/SchemaStringOptions.js b/node_modules/mongoose/lib/options/SchemaStringOptions.js
new file mode 100644
index 000000000..49836ef13
--- /dev/null
+++ b/node_modules/mongoose/lib/options/SchemaStringOptions.js
@@ -0,0 +1,138 @@
+'use strict';
+
+const SchemaTypeOptions = require('./SchemaTypeOptions');
+
+/**
+ * The options defined on a string schematype.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ name: String });
+ *     schema.path('name').options; // SchemaStringOptions instance
+ *
+ * @api public
+ * @inherits SchemaTypeOptions
+ * @constructor SchemaStringOptions
+ */
+
+class SchemaStringOptions extends SchemaTypeOptions {}
+
+const opts = require('./propertyOptions');
+
+/**
+ * Array of allowed values for this path
+ *
+ * @api public
+ * @property enum
+ * @memberOf SchemaStringOptions
+ * @type {Array}
+ * @instance
+ */
+
+Object.defineProperty(SchemaStringOptions.prototype, 'enum', opts);
+
+/**
+ * Attach a validator that succeeds if the data string matches the given regular
+ * expression, and fails otherwise.
+ *
+ * @api public
+ * @property match
+ * @memberOf SchemaStringOptions
+ * @type {RegExp}
+ * @instance
+ */
+
+Object.defineProperty(SchemaStringOptions.prototype, 'match', opts);
+
+/**
+ * If truthy, Mongoose will add a custom setter that lowercases this string
+ * using JavaScript's built-in `String#toLowerCase()`.
+ *
+ * @api public
+ * @property lowercase
+ * @memberOf SchemaStringOptions
+ * @type {Boolean}
+ * @instance
+ */
+
+Object.defineProperty(SchemaStringOptions.prototype, 'lowercase', opts);
+
+/**
+ * If truthy, Mongoose will add a custom setter that removes leading and trailing
+ * whitespace using [JavaScript's built-in `String#trim()`](https://masteringjs.io/tutorials/fundamentals/trim-string).
+ *
+ * @api public
+ * @property trim
+ * @memberOf SchemaStringOptions
+ * @type {Boolean}
+ * @instance
+ */
+
+Object.defineProperty(SchemaStringOptions.prototype, 'trim', opts);
+
+/**
+ * If truthy, Mongoose will add a custom setter that uppercases this string
+ * using JavaScript's built-in [`String#toUpperCase()`](https://masteringjs.io/tutorials/fundamentals/uppercase).
+ *
+ * @api public
+ * @property uppercase
+ * @memberOf SchemaStringOptions
+ * @type {Boolean}
+ * @instance
+ */
+
+Object.defineProperty(SchemaStringOptions.prototype, 'uppercase', opts);
+
+/**
+ * If set, Mongoose will add a custom validator that ensures the given
+ * string's `length` is at least the given number.
+ *
+ * Mongoose supports two different spellings for this option: `minLength` and `minlength`.
+ * `minLength` is the recommended way to specify this option, but Mongoose also supports
+ * `minlength` (lowercase "l").
+ *
+ * @api public
+ * @property minLength
+ * @memberOf SchemaStringOptions
+ * @type {Number}
+ * @instance
+ */
+
+Object.defineProperty(SchemaStringOptions.prototype, 'minLength', opts);
+Object.defineProperty(SchemaStringOptions.prototype, 'minlength', opts);
+
+/**
+ * If set, Mongoose will add a custom validator that ensures the given
+ * string's `length` is at most the given number.
+ *
+ * Mongoose supports two different spellings for this option: `maxLength` and `maxlength`.
+ * `maxLength` is the recommended way to specify this option, but Mongoose also supports
+ * `maxlength` (lowercase "l").
+ *
+ * @api public
+ * @property maxLength
+ * @memberOf SchemaStringOptions
+ * @type {Number}
+ * @instance
+ */
+
+Object.defineProperty(SchemaStringOptions.prototype, 'maxLength', opts);
+Object.defineProperty(SchemaStringOptions.prototype, 'maxlength', opts);
+
+/**
+ * Sets default [populate options](/docs/populate.html#query-conditions).
+ *
+ * @api public
+ * @property populate
+ * @memberOf SchemaStringOptions
+ * @type {Object}
+ * @instance
+ */
+
+Object.defineProperty(SchemaStringOptions.prototype, 'populate', opts);
+
+/*!
+ * ignore
+ */
+
+module.exports = SchemaStringOptions;
diff --git a/node_modules/mongoose/lib/options/SchemaSubdocumentOptions.js b/node_modules/mongoose/lib/options/SchemaSubdocumentOptions.js
new file mode 100644
index 000000000..678212035
--- /dev/null
+++ b/node_modules/mongoose/lib/options/SchemaSubdocumentOptions.js
@@ -0,0 +1,42 @@
+'use strict';
+
+const SchemaTypeOptions = require('./SchemaTypeOptions');
+
+/**
+ * The options defined on a single nested schematype.
+ *
+ * #### Example:
+ *
+ *     const schema = Schema({ child: Schema({ name: String }) });
+ *     schema.path('child').options; // SchemaSubdocumentOptions instance
+ *
+ * @api public
+ * @inherits SchemaTypeOptions
+ * @constructor SchemaSubdocumentOptions
+ */
+
+class SchemaSubdocumentOptions extends SchemaTypeOptions {}
+
+const opts = require('./propertyOptions');
+
+/**
+ * If set, overwrites the child schema's `_id` option.
+ *
+ * #### Example:
+ *
+ *     const childSchema = Schema({ name: String });
+ *     const parentSchema = Schema({
+ *       child: { type: childSchema, _id: false }
+ *     });
+ *     parentSchema.path('child').schema.options._id; // false
+ *
+ * @api public
+ * @property of
+ * @memberOf SchemaSubdocumentOptions
+ * @type {Function|string}
+ * @instance
+ */
+
+Object.defineProperty(SchemaSubdocumentOptions.prototype, '_id', opts);
+
+module.exports = SchemaSubdocumentOptions;
diff --git a/node_modules/mongoose/lib/options/SchemaTypeOptions.js b/node_modules/mongoose/lib/options/SchemaTypeOptions.js
new file mode 100644
index 000000000..f23764310
--- /dev/null
+++ b/node_modules/mongoose/lib/options/SchemaTypeOptions.js
@@ -0,0 +1,244 @@
+'use strict';
+
+const clone = require('../helpers/clone');
+
+/**
+ * The options defined on a schematype.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ name: String });
+ *     schema.path('name').options instanceof mongoose.SchemaTypeOptions; // true
+ *
+ * @api public
+ * @constructor SchemaTypeOptions
+ */
+
+class SchemaTypeOptions {
+  constructor(obj) {
+    if (obj == null) {
+      return this;
+    }
+    Object.assign(this, clone(obj));
+  }
+}
+
+const opts = require('./propertyOptions');
+
+/**
+ * The type to cast this path to.
+ *
+ * @api public
+ * @property type
+ * @memberOf SchemaTypeOptions
+ * @type {Function|String|Object}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'type', opts);
+
+/**
+ * Function or object describing how to validate this schematype.
+ *
+ * @api public
+ * @property validate
+ * @memberOf SchemaTypeOptions
+ * @type {Function|Object}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'validate', opts);
+
+/**
+ * Allows overriding casting logic for this individual path. If a string, the
+ * given string overwrites Mongoose's default cast error message.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({
+ *       num: {
+ *         type: Number,
+ *         cast: '{VALUE} is not a valid number'
+ *       }
+ *     });
+ *
+ *     // Throws 'CastError: "bad" is not a valid number'
+ *     schema.path('num').cast('bad');
+ *
+ *     const Model = mongoose.model('Test', schema);
+ *     const doc = new Model({ num: 'fail' });
+ *     const err = doc.validateSync();
+ *
+ *     err.errors['num']; // 'CastError: "fail" is not a valid number'
+ *
+ * @api public
+ * @property cast
+ * @memberOf SchemaTypeOptions
+ * @type {String}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'cast', opts);
+
+/**
+ * If true, attach a required validator to this path, which ensures this path
+ * cannot be set to a nullish value. If a function, Mongoose calls the
+ * function and only checks for nullish values if the function returns a truthy value.
+ *
+ * @api public
+ * @property required
+ * @memberOf SchemaTypeOptions
+ * @type {Function|Boolean}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'required', opts);
+
+/**
+ * The default value for this path. If a function, Mongoose executes the function
+ * and uses the return value as the default.
+ *
+ * @api public
+ * @property default
+ * @memberOf SchemaTypeOptions
+ * @type {Function|Any}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'default', opts);
+
+/**
+ * The model that `populate()` should use if populating this path.
+ *
+ * @api public
+ * @property ref
+ * @memberOf SchemaTypeOptions
+ * @type {Function|String}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'ref', opts);
+
+/**
+ * The path in the document that `populate()` should use to find the model
+ * to use.
+ *
+ * @api public
+ * @property ref
+ * @memberOf SchemaTypeOptions
+ * @type {Function|String}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'refPath', opts);
+
+/**
+ * Whether to include or exclude this path by default when loading documents
+ * using `find()`, `findOne()`, etc.
+ *
+ * @api public
+ * @property select
+ * @memberOf SchemaTypeOptions
+ * @type {Boolean|Number}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'select', opts);
+
+/**
+ * If [truthy](https://masteringjs.io/tutorials/fundamentals/truthy), Mongoose will
+ * build an index on this path when the model is compiled.
+ *
+ * @api public
+ * @property index
+ * @memberOf SchemaTypeOptions
+ * @type {Boolean|Number|Object}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'index', opts);
+
+/**
+ * If [truthy](https://masteringjs.io/tutorials/fundamentals/truthy), Mongoose
+ * will build a unique index on this path when the
+ * model is compiled. [The `unique` option is **not** a validator](/docs/validation.html#the-unique-option-is-not-a-validator).
+ *
+ * @api public
+ * @property unique
+ * @memberOf SchemaTypeOptions
+ * @type {Boolean|Number}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'unique', opts);
+
+/**
+ * If [truthy](https://masteringjs.io/tutorials/fundamentals/truthy), Mongoose will
+ * disallow changes to this path once the document
+ * is saved to the database for the first time. Read more about [immutability in Mongoose here](https://thecodebarbarian.com/whats-new-in-mongoose-5-6-immutable-properties.html).
+ *
+ * @api public
+ * @property immutable
+ * @memberOf SchemaTypeOptions
+ * @type {Function|Boolean}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'immutable', opts);
+
+/**
+ * If [truthy](https://masteringjs.io/tutorials/fundamentals/truthy), Mongoose will
+ * build a sparse index on this path.
+ *
+ * @api public
+ * @property sparse
+ * @memberOf SchemaTypeOptions
+ * @type {Boolean|Number}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'sparse', opts);
+
+/**
+ * If [truthy](https://masteringjs.io/tutorials/fundamentals/truthy), Mongoose
+ * will build a text index on this path.
+ *
+ * @api public
+ * @property text
+ * @memberOf SchemaTypeOptions
+ * @type {Boolean|Number|Object}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'text', opts);
+
+/**
+ * Define a transform function for this individual schema type.
+ * Only called when calling `toJSON()` or `toObject()`.
+ *
+ * #### Example:
+ *
+ *     const schema = Schema({
+ *       myDate: {
+ *         type: Date,
+ *         transform: v => v.getFullYear()
+ *       }
+ *     });
+ *     const Model = mongoose.model('Test', schema);
+ *
+ *     const doc = new Model({ myDate: new Date('2019/06/01') });
+ *     doc.myDate instanceof Date; // true
+ *
+ *     const res = doc.toObject({ transform: true });
+ *     res.myDate; // 2019
+ *
+ * @api public
+ * @property transform
+ * @memberOf SchemaTypeOptions
+ * @type {Function}
+ * @instance
+ */
+
+Object.defineProperty(SchemaTypeOptions.prototype, 'transform', opts);
+
+module.exports = SchemaTypeOptions;
diff --git a/node_modules/mongoose/lib/options/VirtualOptions.js b/node_modules/mongoose/lib/options/VirtualOptions.js
new file mode 100644
index 000000000..3db53b99d
--- /dev/null
+++ b/node_modules/mongoose/lib/options/VirtualOptions.js
@@ -0,0 +1,164 @@
+'use strict';
+
+const opts = require('./propertyOptions');
+
+class VirtualOptions {
+  constructor(obj) {
+    Object.assign(this, obj);
+
+    if (obj != null && obj.options != null) {
+      this.options = Object.assign({}, obj.options);
+    }
+  }
+}
+
+/**
+ * Marks this virtual as a populate virtual, and specifies the model to
+ * use for populate.
+ *
+ * @api public
+ * @property ref
+ * @memberOf VirtualOptions
+ * @type {String|Model|Function}
+ * @instance
+ */
+
+Object.defineProperty(VirtualOptions.prototype, 'ref', opts);
+
+/**
+ * Marks this virtual as a populate virtual, and specifies the path that
+ * contains the name of the model to populate
+ *
+ * @api public
+ * @property refPath
+ * @memberOf VirtualOptions
+ * @type {String|Function}
+ * @instance
+ */
+
+Object.defineProperty(VirtualOptions.prototype, 'refPath', opts);
+
+/**
+ * The name of the property in the local model to match to `foreignField`
+ * in the foreign model.
+ *
+ * @api public
+ * @property localField
+ * @memberOf VirtualOptions
+ * @type {String|Function}
+ * @instance
+ */
+
+Object.defineProperty(VirtualOptions.prototype, 'localField', opts);
+
+/**
+ * The name of the property in the foreign model to match to `localField`
+ * in the local model.
+ *
+ * @api public
+ * @property foreignField
+ * @memberOf VirtualOptions
+ * @type {String|Function}
+ * @instance
+ */
+
+Object.defineProperty(VirtualOptions.prototype, 'foreignField', opts);
+
+/**
+ * Whether to populate this virtual as a single document (true) or an
+ * array of documents (false).
+ *
+ * @api public
+ * @property justOne
+ * @memberOf VirtualOptions
+ * @type {Boolean}
+ * @instance
+ */
+
+Object.defineProperty(VirtualOptions.prototype, 'justOne', opts);
+
+/**
+ * If true, populate just the number of documents where `localField`
+ * matches `foreignField`, as opposed to the documents themselves.
+ *
+ * If `count` is set, it overrides `justOne`.
+ *
+ * @api public
+ * @property count
+ * @memberOf VirtualOptions
+ * @type {Boolean}
+ * @instance
+ */
+
+Object.defineProperty(VirtualOptions.prototype, 'count', opts);
+
+/**
+ * Add an additional filter to populate, in addition to `localField`
+ * matches `foreignField`.
+ *
+ * @api public
+ * @property match
+ * @memberOf VirtualOptions
+ * @type {Object|Function}
+ * @instance
+ */
+
+Object.defineProperty(VirtualOptions.prototype, 'match', opts);
+
+/**
+ * Additional options to pass to the query used to `populate()`:
+ *
+ * - `sort`
+ * - `skip`
+ * - `limit`
+ *
+ * @api public
+ * @property options
+ * @memberOf VirtualOptions
+ * @type {Object}
+ * @instance
+ */
+
+Object.defineProperty(VirtualOptions.prototype, 'options', opts);
+
+/**
+ * If true, add a `skip` to the query used to `populate()`.
+ *
+ * @api public
+ * @property skip
+ * @memberOf VirtualOptions
+ * @type {Number}
+ * @instance
+ */
+
+Object.defineProperty(VirtualOptions.prototype, 'skip', opts);
+
+/**
+ * If true, add a `limit` to the query used to `populate()`.
+ *
+ * @api public
+ * @property limit
+ * @memberOf VirtualOptions
+ * @type {Number}
+ * @instance
+ */
+
+Object.defineProperty(VirtualOptions.prototype, 'limit', opts);
+
+/**
+ * The `limit` option for `populate()` has [some unfortunate edge cases](/docs/populate.html#query-conditions)
+ * when working with multiple documents, like `.find().populate()`. The
+ * `perDocumentLimit` option makes `populate()` execute a separate query
+ * for each document returned from `find()` to ensure each document
+ * gets up to `perDocumentLimit` populated docs if possible.
+ *
+ * @api public
+ * @property perDocumentLimit
+ * @memberOf VirtualOptions
+ * @type {Number}
+ * @instance
+ */
+
+Object.defineProperty(VirtualOptions.prototype, 'perDocumentLimit', opts);
+
+module.exports = VirtualOptions;
diff --git a/node_modules/mongoose/lib/options/propertyOptions.js b/node_modules/mongoose/lib/options/propertyOptions.js
new file mode 100644
index 000000000..cb95f35e8
--- /dev/null
+++ b/node_modules/mongoose/lib/options/propertyOptions.js
@@ -0,0 +1,8 @@
+'use strict';
+
+module.exports = Object.freeze({
+  enumerable: true,
+  configurable: true,
+  writable: true,
+  value: void 0
+});
diff --git a/node_modules/mongoose/lib/options/removeOptions.js b/node_modules/mongoose/lib/options/removeOptions.js
new file mode 100644
index 000000000..3e09bbc0f
--- /dev/null
+++ b/node_modules/mongoose/lib/options/removeOptions.js
@@ -0,0 +1,14 @@
+'use strict';
+
+const clone = require('../helpers/clone');
+
+class RemoveOptions {
+  constructor(obj) {
+    if (obj == null) {
+      return;
+    }
+    Object.assign(this, clone(obj));
+  }
+}
+
+module.exports = RemoveOptions;
diff --git a/node_modules/mongoose/lib/options/saveOptions.js b/node_modules/mongoose/lib/options/saveOptions.js
new file mode 100644
index 000000000..66c1608b1
--- /dev/null
+++ b/node_modules/mongoose/lib/options/saveOptions.js
@@ -0,0 +1,14 @@
+'use strict';
+
+const clone = require('../helpers/clone');
+
+class SaveOptions {
+  constructor(obj) {
+    if (obj == null) {
+      return;
+    }
+    Object.assign(this, clone(obj));
+  }
+}
+
+module.exports = SaveOptions;
diff --git a/node_modules/mongoose/lib/plugins/clearValidating.js b/node_modules/mongoose/lib/plugins/clearValidating.js
new file mode 100644
index 000000000..cdd5f3f09
--- /dev/null
+++ b/node_modules/mongoose/lib/plugins/clearValidating.js
@@ -0,0 +1,28 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+module.exports = function(schema) {
+  // `this.$__.validating` tracks whether there are multiple validations running
+  // in parallel. We need to clear `this.$__.validating` before post hooks for gh-8597
+  const unshift = true;
+  schema.s.hooks.post('validate', false, function() {
+    if (this.$isSubdocument) {
+      return;
+    }
+
+    this.$__.validating = null;
+  }, unshift);
+
+  schema.s.hooks.post('validate', false, function(error, res, next) {
+    if (this.$isSubdocument) {
+      next();
+      return;
+    }
+
+    this.$__.validating = null;
+    next();
+  }, unshift);
+};
diff --git a/node_modules/mongoose/lib/plugins/removeSubdocs.js b/node_modules/mongoose/lib/plugins/removeSubdocs.js
new file mode 100644
index 000000000..dde46d8f1
--- /dev/null
+++ b/node_modules/mongoose/lib/plugins/removeSubdocs.js
@@ -0,0 +1,31 @@
+'use strict';
+
+const each = require('../helpers/each');
+
+/*!
+ * ignore
+ */
+
+module.exports = function(schema) {
+  const unshift = true;
+  schema.s.hooks.pre('remove', false, function(next) {
+    if (this.$isSubdocument) {
+      next();
+      return;
+    }
+
+    const _this = this;
+    const subdocs = this.$getAllSubdocs();
+
+    each(subdocs, function(subdoc, cb) {
+      subdoc.$__remove(cb);
+    }, function(error) {
+      if (error) {
+        return _this.$__schema.s.hooks.execPost('remove:error', _this, [_this], { error: error }, function(error) {
+          next(error);
+        });
+      }
+      next();
+    });
+  }, null, unshift);
+};
diff --git a/node_modules/mongoose/lib/plugins/saveSubdocs.js b/node_modules/mongoose/lib/plugins/saveSubdocs.js
new file mode 100644
index 000000000..66ecba763
--- /dev/null
+++ b/node_modules/mongoose/lib/plugins/saveSubdocs.js
@@ -0,0 +1,66 @@
+'use strict';
+
+const each = require('../helpers/each');
+
+/*!
+ * ignore
+ */
+
+module.exports = function(schema) {
+  const unshift = true;
+  schema.s.hooks.pre('save', false, function(next) {
+    if (this.$isSubdocument) {
+      next();
+      return;
+    }
+
+    const _this = this;
+    const subdocs = this.$getAllSubdocs();
+
+    if (!subdocs.length) {
+      next();
+      return;
+    }
+
+    each(subdocs, function(subdoc, cb) {
+      subdoc.$__schema.s.hooks.execPre('save', subdoc, function(err) {
+        cb(err);
+      });
+    }, function(error) {
+      if (error) {
+        return _this.$__schema.s.hooks.execPost('save:error', _this, [_this], { error: error }, function(error) {
+          next(error);
+        });
+      }
+      next();
+    });
+  }, null, unshift);
+
+  schema.s.hooks.post('save', function(doc, next) {
+    if (this.$isSubdocument) {
+      next();
+      return;
+    }
+
+    const _this = this;
+    const subdocs = this.$getAllSubdocs();
+
+    if (!subdocs.length) {
+      next();
+      return;
+    }
+
+    each(subdocs, function(subdoc, cb) {
+      subdoc.$__schema.s.hooks.execPost('save', subdoc, [subdoc], function(err) {
+        cb(err);
+      });
+    }, function(error) {
+      if (error) {
+        return _this.$__schema.s.hooks.execPost('save:error', _this, [_this], { error: error }, function(error) {
+          next(error);
+        });
+      }
+      next();
+    });
+  }, null, unshift);
+};
diff --git a/node_modules/mongoose/lib/plugins/sharding.js b/node_modules/mongoose/lib/plugins/sharding.js
new file mode 100644
index 000000000..020ec06c6
--- /dev/null
+++ b/node_modules/mongoose/lib/plugins/sharding.js
@@ -0,0 +1,83 @@
+'use strict';
+
+const objectIdSymbol = require('../helpers/symbols').objectIdSymbol;
+const utils = require('../utils');
+
+/*!
+ * ignore
+ */
+
+module.exports = function shardingPlugin(schema) {
+  schema.post('init', function() {
+    storeShard.call(this);
+    return this;
+  });
+  schema.pre('save', function(next) {
+    applyWhere.call(this);
+    next();
+  });
+  schema.pre('remove', function(next) {
+    applyWhere.call(this);
+    next();
+  });
+  schema.post('save', function() {
+    storeShard.call(this);
+  });
+};
+
+/*!
+ * ignore
+ */
+
+function applyWhere() {
+  let paths;
+  let len;
+
+  if (this.$__.shardval) {
+    paths = Object.keys(this.$__.shardval);
+    len = paths.length;
+
+    this.$where = this.$where || {};
+    for (let i = 0; i < len; ++i) {
+      this.$where[paths[i]] = this.$__.shardval[paths[i]];
+    }
+  }
+}
+
+/*!
+ * ignore
+ */
+
+module.exports.storeShard = storeShard;
+
+/*!
+ * ignore
+ */
+
+function storeShard() {
+  // backwards compat
+  const key = this.$__schema.options.shardKey || this.$__schema.options.shardkey;
+  if (!utils.isPOJO(key)) {
+    return;
+  }
+
+  const orig = this.$__.shardval = {};
+  const paths = Object.keys(key);
+  const len = paths.length;
+  let val;
+
+  for (let i = 0; i < len; ++i) {
+    val = this.$__getValue(paths[i]);
+    if (val == null) {
+      orig[paths[i]] = val;
+    } else if (utils.isMongooseObject(val)) {
+      orig[paths[i]] = val.toObject({ depopulate: true, _isNested: true });
+    } else if (val instanceof Date || val[objectIdSymbol]) {
+      orig[paths[i]] = val;
+    } else if (typeof val.valueOf === 'function') {
+      orig[paths[i]] = val.valueOf();
+    } else {
+      orig[paths[i]] = val;
+    }
+  }
+}
diff --git a/node_modules/mongoose/lib/plugins/trackTransaction.js b/node_modules/mongoose/lib/plugins/trackTransaction.js
new file mode 100644
index 000000000..a1726e8ca
--- /dev/null
+++ b/node_modules/mongoose/lib/plugins/trackTransaction.js
@@ -0,0 +1,92 @@
+'use strict';
+
+const arrayAtomicsSymbol = require('../helpers/symbols').arrayAtomicsSymbol;
+const sessionNewDocuments = require('../helpers/symbols').sessionNewDocuments;
+const utils = require('../utils');
+
+module.exports = function trackTransaction(schema) {
+  schema.pre('save', function() {
+    const session = this.$session();
+    if (session == null) {
+      return;
+    }
+    if (session.transaction == null || session[sessionNewDocuments] == null) {
+      return;
+    }
+
+    if (!session[sessionNewDocuments].has(this)) {
+      const initialState = {};
+      if (this.isNew) {
+        initialState.isNew = true;
+      }
+      if (this.$__schema.options.versionKey) {
+        initialState.versionKey = this.get(this.$__schema.options.versionKey);
+      }
+
+      initialState.modifiedPaths = new Set(Object.keys(this.$__.activePaths.getStatePaths('modify')));
+      initialState.atomics = _getAtomics(this);
+
+      session[sessionNewDocuments].set(this, initialState);
+    } else {
+      const state = session[sessionNewDocuments].get(this);
+
+      for (const path of Object.keys(this.$__.activePaths.getStatePaths('modify'))) {
+        state.modifiedPaths.add(path);
+      }
+      state.atomics = _getAtomics(this, state.atomics);
+    }
+  });
+};
+
+function _getAtomics(doc, previous) {
+  const pathToAtomics = new Map();
+  previous = previous || new Map();
+
+  const pathsToCheck = Object.keys(doc.$__.activePaths.init).concat(Object.keys(doc.$__.activePaths.modify));
+
+  for (const path of pathsToCheck) {
+    const val = doc.$__getValue(path);
+    if (val != null &&
+        Array.isArray(val) &&
+        utils.isMongooseDocumentArray(val) &&
+        val.length &&
+        val[arrayAtomicsSymbol] != null &&
+        Object.keys(val[arrayAtomicsSymbol]).length !== 0) {
+      const existing = previous.get(path) || {};
+      pathToAtomics.set(path, mergeAtomics(existing, val[arrayAtomicsSymbol]));
+    }
+  }
+
+  const dirty = doc.$__dirty();
+  for (const dirt of dirty) {
+    const path = dirt.path;
+
+    const val = dirt.value;
+    if (val != null && val[arrayAtomicsSymbol] != null && Object.keys(val[arrayAtomicsSymbol]).length !== 0) {
+      const existing = previous.get(path) || {};
+      pathToAtomics.set(path, mergeAtomics(existing, val[arrayAtomicsSymbol]));
+    }
+  }
+
+  return pathToAtomics;
+}
+
+function mergeAtomics(destination, source) {
+  destination = destination || {};
+
+  if (source.$pullAll != null) {
+    destination.$pullAll = (destination.$pullAll || []).concat(source.$pullAll);
+  }
+  if (source.$push != null) {
+    destination.$push = destination.$push || {};
+    destination.$push.$each = (destination.$push.$each || []).concat(source.$push.$each);
+  }
+  if (source.$addToSet != null) {
+    destination.$addToSet = (destination.$addToSet || []).concat(source.$addToSet);
+  }
+  if (source.$set != null) {
+    destination.$set = Object.assign(destination.$set || {}, source.$set);
+  }
+
+  return destination;
+}
diff --git a/node_modules/mongoose/lib/plugins/validateBeforeSave.js b/node_modules/mongoose/lib/plugins/validateBeforeSave.js
new file mode 100644
index 000000000..fd058a552
--- /dev/null
+++ b/node_modules/mongoose/lib/plugins/validateBeforeSave.js
@@ -0,0 +1,45 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+module.exports = function(schema) {
+  const unshift = true;
+  schema.pre('save', false, function validateBeforeSave(next, options) {
+    const _this = this;
+    // Nested docs have their own presave
+    if (this.$isSubdocument) {
+      return next();
+    }
+
+    const hasValidateBeforeSaveOption = options &&
+        (typeof options === 'object') &&
+        ('validateBeforeSave' in options);
+
+    let shouldValidate;
+    if (hasValidateBeforeSaveOption) {
+      shouldValidate = !!options.validateBeforeSave;
+    } else {
+      shouldValidate = this.$__schema.options.validateBeforeSave;
+    }
+
+    // Validate
+    if (shouldValidate) {
+      const hasValidateModifiedOnlyOption = options &&
+          (typeof options === 'object') &&
+          ('validateModifiedOnly' in options);
+      const validateOptions = hasValidateModifiedOnlyOption ?
+        { validateModifiedOnly: options.validateModifiedOnly } :
+        null;
+      this.$validate(validateOptions, function(error) {
+        return _this.$__schema.s.hooks.execPost('save:error', _this, [_this], { error: error }, function(error) {
+          _this.$op = 'save';
+          next(error);
+        });
+      });
+    } else {
+      next();
+    }
+  }, null, unshift);
+};
diff --git a/node_modules/mongoose/lib/promise_provider.js b/node_modules/mongoose/lib/promise_provider.js
new file mode 100644
index 000000000..3febf3687
--- /dev/null
+++ b/node_modules/mongoose/lib/promise_provider.js
@@ -0,0 +1,49 @@
+/*!
+ * ignore
+ */
+
+'use strict';
+
+const assert = require('assert');
+const mquery = require('mquery');
+
+/**
+ * Helper for multiplexing promise implementations
+ *
+ * @api private
+ */
+
+const store = {
+  _promise: null
+};
+
+/**
+ * Get the current promise constructor
+ *
+ * @api private
+ */
+
+store.get = function() {
+  return store._promise;
+};
+
+/**
+ * Set the current promise constructor
+ *
+ * @api private
+ */
+
+store.set = function(lib) {
+  assert.ok(typeof lib === 'function',
+    `mongoose.Promise must be a function, got ${lib}`);
+  store._promise = lib;
+  mquery.Promise = lib;
+};
+
+/*!
+ * Use native promises by default
+ */
+
+store.set(global.Promise);
+
+module.exports = store;
diff --git a/node_modules/mongoose/lib/query.js b/node_modules/mongoose/lib/query.js
new file mode 100644
index 000000000..dfe533e8b
--- /dev/null
+++ b/node_modules/mongoose/lib/query.js
@@ -0,0 +1,5945 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const CastError = require('./error/cast');
+const DocumentNotFoundError = require('./error/notFound');
+const Kareem = require('kareem');
+const MongooseError = require('./error/mongooseError');
+const ObjectParameterError = require('./error/objectParameter');
+const QueryCursor = require('./cursor/QueryCursor');
+const ReadPreference = require('./driver').get().ReadPreference;
+const ValidationError = require('./error/validation');
+const { applyGlobalMaxTimeMS, applyGlobalDiskUse } = require('./helpers/query/applyGlobalOption');
+const applyWriteConcern = require('./helpers/schema/applyWriteConcern');
+const cast = require('./cast');
+const castArrayFilters = require('./helpers/update/castArrayFilters');
+const castNumber = require('./cast/number');
+const castUpdate = require('./helpers/query/castUpdate');
+const completeMany = require('./helpers/query/completeMany');
+const promiseOrCallback = require('./helpers/promiseOrCallback');
+const getDiscriminatorByValue = require('./helpers/discriminator/getDiscriminatorByValue');
+const hasDollarKeys = require('./helpers/query/hasDollarKeys');
+const helpers = require('./queryhelpers');
+const immediate = require('./helpers/immediate');
+const isExclusive = require('./helpers/projection/isExclusive');
+const isInclusive = require('./helpers/projection/isInclusive');
+const isSubpath = require('./helpers/projection/isSubpath');
+const mpath = require('mpath');
+const mquery = require('mquery');
+const parseProjection = require('./helpers/projection/parseProjection');
+const removeUnusedArrayFilters = require('./helpers/update/removeUnusedArrayFilters');
+const sanitizeFilter = require('./helpers/query/sanitizeFilter');
+const sanitizeProjection = require('./helpers/query/sanitizeProjection');
+const selectPopulatedFields = require('./helpers/query/selectPopulatedFields');
+const setDefaultsOnInsert = require('./helpers/setDefaultsOnInsert');
+const updateValidators = require('./helpers/updateValidators');
+const util = require('util');
+const utils = require('./utils');
+const validOps = require('./helpers/query/validOps');
+const wrapThunk = require('./helpers/query/wrapThunk');
+
+const queryOptionMethods = new Set([
+  'allowDiskUse',
+  'batchSize',
+  'collation',
+  'comment',
+  'explain',
+  'hint',
+  'j',
+  'lean',
+  'limit',
+  'maxScan',
+  'maxTimeMS',
+  'maxscan',
+  'populate',
+  'projection',
+  'read',
+  'select',
+  'skip',
+  'slice',
+  'sort',
+  'tailable',
+  'w',
+  'writeConcern',
+  'wtimeout'
+]);
+
+/**
+ * Query constructor used for building queries. You do not need
+ * to instantiate a `Query` directly. Instead use Model functions like
+ * [`Model.find()`](/docs/api.html#find_find).
+ *
+ * #### Example:
+ *
+ *     const query = MyModel.find(); // `query` is an instance of `Query`
+ *     query.setOptions({ lean : true });
+ *     query.collection(MyModel.collection);
+ *     query.where('age').gte(21).exec(callback);
+ *
+ *     // You can instantiate a query directly. There is no need to do
+ *     // this unless you're an advanced user with a very good reason to.
+ *     const query = new mongoose.Query();
+ *
+ * @param {Object} [options]
+ * @param {Object} [model]
+ * @param {Object} [conditions]
+ * @param {Object} [collection] Mongoose collection
+ * @api public
+ */
+
+function Query(conditions, options, model, collection) {
+  // this stuff is for dealing with custom queries created by #toConstructor
+  if (!this._mongooseOptions) {
+    this._mongooseOptions = {};
+  }
+  options = options || {};
+
+  this._transforms = [];
+  this._hooks = new Kareem();
+  this._executionStack = null;
+
+  // this is the case where we have a CustomQuery, we need to check if we got
+  // options passed in, and if we did, merge them in
+  const keys = Object.keys(options);
+  for (const key of keys) {
+    this._mongooseOptions[key] = options[key];
+  }
+
+  if (collection) {
+    this.mongooseCollection = collection;
+  }
+
+  if (model) {
+    this.model = model;
+    this.schema = model.schema;
+  }
+
+
+  // this is needed because map reduce returns a model that can be queried, but
+  // all of the queries on said model should be lean
+  if (this.model && this.model._mapreduce) {
+    this.lean();
+  }
+
+  // inherit mquery
+  mquery.call(this, null, options);
+  if (collection) {
+    this.collection(collection);
+  }
+
+  if (conditions) {
+    this.find(conditions);
+  }
+
+  this.options = this.options || {};
+
+  // For gh-6880. mquery still needs to support `fields` by default for old
+  // versions of MongoDB
+  this.$useProjection = true;
+
+  const collation = this &&
+    this.schema &&
+    this.schema.options &&
+    this.schema.options.collation || null;
+  if (collation != null) {
+    this.options.collation = collation;
+  }
+}
+
+/*!
+ * inherit mquery
+ */
+
+Query.prototype = new mquery();
+Query.prototype.constructor = Query;
+Query.base = mquery.prototype;
+
+/**
+ * Flag to opt out of using `$geoWithin`.
+ *
+ * ```javascript
+ * mongoose.Query.use$geoWithin = false;
+ * ```
+ *
+ * MongoDB 2.4 deprecated the use of `$within`, replacing it with `$geoWithin`. Mongoose uses `$geoWithin` by default (which is 100% backward compatible with `$within`). If you are running an older version of MongoDB, set this flag to `false` so your `within()` queries continue to work.
+ *
+ * @see geoWithin https://docs.mongodb.org/manual/reference/operator/geoWithin/
+ * @default true
+ * @property use$geoWithin
+ * @memberOf Query
+ * @static
+ * @api public
+ */
+
+Query.use$geoWithin = mquery.use$geoWithin;
+
+/**
+ * Converts this query to a customized, reusable query constructor with all arguments and options retained.
+ *
+ * #### Example:
+ *
+ *     // Create a query for adventure movies and read from the primary
+ *     // node in the replica-set unless it is down, in which case we'll
+ *     // read from a secondary node.
+ *     const query = Movie.find({ tags: 'adventure' }).read('primaryPreferred');
+ *
+ *     // create a custom Query constructor based off these settings
+ *     const Adventure = query.toConstructor();
+ *
+ *     // Adventure is now a subclass of mongoose.Query and works the same way but with the
+ *     // default query parameters and options set.
+ *     Adventure().exec(callback)
+ *
+ *     // further narrow down our query results while still using the previous settings
+ *     Adventure().where({ name: /^Life/ }).exec(callback);
+ *
+ *     // since Adventure is a stand-alone constructor we can also add our own
+ *     // helper methods and getters without impacting global queries
+ *     Adventure.prototype.startsWith = function (prefix) {
+ *       this.where({ name: new RegExp('^' + prefix) })
+ *       return this;
+ *     }
+ *     Object.defineProperty(Adventure.prototype, 'highlyRated', {
+ *       get: function () {
+ *         this.where({ rating: { $gt: 4.5 }});
+ *         return this;
+ *       }
+ *     })
+ *     Adventure().highlyRated.startsWith('Life').exec(callback)
+ *
+ * @return {Query} subclass-of-Query
+ * @api public
+ */
+
+Query.prototype.toConstructor = function toConstructor() {
+  const model = this.model;
+  const coll = this.mongooseCollection;
+
+  const CustomQuery = function(criteria, options) {
+    if (!(this instanceof CustomQuery)) {
+      return new CustomQuery(criteria, options);
+    }
+    this._mongooseOptions = utils.clone(p._mongooseOptions);
+    Query.call(this, criteria, options || null, model, coll);
+  };
+
+  util.inherits(CustomQuery, model.Query);
+
+  // set inherited defaults
+  const p = CustomQuery.prototype;
+
+  p.options = {};
+
+  // Need to handle `sort()` separately because entries-style `sort()` syntax
+  // `sort([['prop1', 1]])` confuses mquery into losing the outer nested array.
+  // See gh-8159
+  const options = Object.assign({}, this.options);
+  if (options.sort != null) {
+    p.sort(options.sort);
+    delete options.sort;
+  }
+  p.setOptions(options);
+
+  p.op = this.op;
+  p._validateOp();
+  p._conditions = utils.clone(this._conditions);
+  p._fields = utils.clone(this._fields);
+  p._update = utils.clone(this._update, {
+    flattenDecimals: false
+  });
+  p._path = this._path;
+  p._distinct = this._distinct;
+  p._collection = this._collection;
+  p._mongooseOptions = this._mongooseOptions;
+
+  return CustomQuery;
+};
+
+/**
+ * Make a copy of this query so you can re-execute it.
+ *
+ * #### Example:
+ *
+ *     const q = Book.findOne({ title: 'Casino Royale' });
+ *     await q.exec();
+ *     await q.exec(); // Throws an error because you can't execute a query twice
+ *
+ *     await q.clone().exec(); // Works
+ *
+ * @method clone
+ * @return {Query} copy
+ * @memberOf Query
+ * @instance
+ * @api public
+ */
+
+Query.prototype.clone = function clone() {
+  const model = this.model;
+  const collection = this.mongooseCollection;
+
+  const q = new this.model.Query({}, {}, model, collection);
+
+  // Need to handle `sort()` separately because entries-style `sort()` syntax
+  // `sort([['prop1', 1]])` confuses mquery into losing the outer nested array.
+  // See gh-8159
+  const options = Object.assign({}, this.options);
+  if (options.sort != null) {
+    q.sort(options.sort);
+    delete options.sort;
+  }
+  q.setOptions(options);
+
+  q.op = this.op;
+  q._validateOp();
+  q._conditions = utils.clone(this._conditions);
+  q._fields = utils.clone(this._fields);
+  q._update = utils.clone(this._update, {
+    flattenDecimals: false
+  });
+  q._path = this._path;
+  q._distinct = this._distinct;
+  q._collection = this._collection;
+  q._mongooseOptions = this._mongooseOptions;
+
+  return q;
+};
+
+/**
+ * Specifies a javascript function or expression to pass to MongoDBs query system.
+ *
+ * #### Example:
+ *
+ *     query.$where('this.comments.length === 10 || this.name.length === 5')
+ *
+ *     // or
+ *
+ *     query.$where(function () {
+ *       return this.comments.length === 10 || this.name.length === 5;
+ *     })
+ *
+ * #### Note:
+ *
+ * Only use `$where` when you have a condition that cannot be met using other MongoDB operators like `$lt`.
+ * **Be sure to read about all of [its caveats](https://docs.mongodb.org/manual/reference/operator/where/) before using.**
+ *
+ * @see $where https://docs.mongodb.org/manual/reference/operator/where/
+ * @method $where
+ * @param {String|Function} js javascript string or function
+ * @return {Query} this
+ * @memberOf Query
+ * @instance
+ * @method $where
+ * @api public
+ */
+
+/**
+ * Specifies a `path` for use with chaining.
+ *
+ * #### Example:
+ *
+ *     // instead of writing:
+ *     User.find({age: {$gte: 21, $lte: 65}}, callback);
+ *
+ *     // we can instead write:
+ *     User.where('age').gte(21).lte(65);
+ *
+ *     // passing query conditions is permitted
+ *     User.find().where({ name: 'vonderful' })
+ *
+ *     // chaining
+ *     User
+ *     .where('age').gte(21).lte(65)
+ *     .where('name', /^vonderful/i)
+ *     .where('friends').slice(10)
+ *     .exec(callback)
+ *
+ * @method where
+ * @memberOf Query
+ * @instance
+ * @param {String|Object} [path]
+ * @param {any} [val]
+ * @return {Query} this
+ * @api public
+ */
+
+/**
+ * Specifies a `$slice` projection for an array.
+ *
+ * #### Example:
+ *
+ *     query.slice('comments', 5);
+ *     query.slice('comments', -5);
+ *     query.slice('comments', [10, 5]);
+ *     query.where('comments').slice(5);
+ *     query.where('comments').slice([-10, 5]);
+ *
+ * @method slice
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Number} val number/range of elements to slice
+ * @return {Query} this
+ * @see mongodb https://www.mongodb.org/display/DOCS/Retrieving+a+Subset+of+Fields#RetrievingaSubsetofFields-RetrievingaSubrangeofArrayElements
+ * @see $slice https://docs.mongodb.org/manual/reference/projection/slice/#prj._S_slice
+ * @api public
+ */
+
+Query.prototype.slice = function() {
+  if (arguments.length === 0) {
+    return this;
+  }
+
+  this._validate('slice');
+
+  let path;
+  let val;
+
+  if (arguments.length === 1) {
+    const arg = arguments[0];
+    if (typeof arg === 'object' && !Array.isArray(arg)) {
+      const keys = Object.keys(arg);
+      const numKeys = keys.length;
+      for (let i = 0; i < numKeys; ++i) {
+        this.slice(keys[i], arg[keys[i]]);
+      }
+      return this;
+    }
+    this._ensurePath('slice');
+    path = this._path;
+    val = arguments[0];
+  } else if (arguments.length === 2) {
+    if ('number' === typeof arguments[0]) {
+      this._ensurePath('slice');
+      path = this._path;
+      val = [arguments[0], arguments[1]];
+    } else {
+      path = arguments[0];
+      val = arguments[1];
+    }
+  } else if (arguments.length === 3) {
+    path = arguments[0];
+    val = [arguments[1], arguments[2]];
+  }
+
+  const p = {};
+  p[path] = { $slice: val };
+  this.select(p);
+
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+const validOpsSet = new Set(validOps);
+
+Query.prototype._validateOp = function() {
+  if (this.op != null && !validOpsSet.has(this.op)) {
+    this.error(new Error('Query has invalid `op`: "' + this.op + '"'));
+  }
+};
+
+/**
+ * Specifies the complementary comparison value for paths specified with `where()`
+ *
+ * #### Example:
+ *
+ *     User.where('age').equals(49);
+ *
+ *     // is the same as
+ *
+ *     User.where('age', 49);
+ *
+ * @method equals
+ * @memberOf Query
+ * @instance
+ * @param {Object} val
+ * @return {Query} this
+ * @api public
+ */
+
+/**
+ * Specifies arguments for an `$or` condition.
+ *
+ * #### Example:
+ *
+ *     query.or([{ color: 'red' }, { status: 'emergency' }]);
+ *
+ * @see $or https://docs.mongodb.org/manual/reference/operator/or/
+ * @method or
+ * @memberOf Query
+ * @instance
+ * @param {Array} array array of conditions
+ * @return {Query} this
+ * @api public
+ */
+
+/**
+ * Specifies arguments for a `$nor` condition.
+ *
+ * #### Example:
+ *
+ *     query.nor([{ color: 'green' }, { status: 'ok' }]);
+ *
+ * @see $nor https://docs.mongodb.org/manual/reference/operator/nor/
+ * @method nor
+ * @memberOf Query
+ * @instance
+ * @param {Array} array array of conditions
+ * @return {Query} this
+ * @api public
+ */
+
+/**
+ * Specifies arguments for a `$and` condition.
+ *
+ * #### Example:
+ *
+ *     query.and([{ color: 'green' }, { status: 'ok' }])
+ *
+ * @method and
+ * @memberOf Query
+ * @instance
+ * @see $and https://docs.mongodb.org/manual/reference/operator/and/
+ * @param {Array} array array of conditions
+ * @return {Query} this
+ * @api public
+ */
+
+/**
+ * Specifies a `$gt` query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * #### Example:
+ *
+ *     Thing.find().where('age').gt(21);
+ *
+ *     // or
+ *     Thing.find().gt('age', 21);
+ *
+ * @method gt
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Number} val
+ * @see $gt https://docs.mongodb.org/manual/reference/operator/gt/
+ * @api public
+ */
+
+/**
+ * Specifies a `$gte` query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @method gte
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Number} val
+ * @see $gte https://docs.mongodb.org/manual/reference/operator/gte/
+ * @api public
+ */
+
+/**
+ * Specifies a `$lt` query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @method lt
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Number} val
+ * @see $lt https://docs.mongodb.org/manual/reference/operator/lt/
+ * @api public
+ */
+
+/**
+ * Specifies a `$lte` query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @method lte
+ * @see $lte https://docs.mongodb.org/manual/reference/operator/lte/
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Number} val
+ * @api public
+ */
+
+/**
+ * Specifies a `$ne` query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @see $ne https://docs.mongodb.org/manual/reference/operator/ne/
+ * @method ne
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {any} val
+ * @api public
+ */
+
+/**
+ * Specifies an `$in` query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @see $in https://docs.mongodb.org/manual/reference/operator/in/
+ * @method in
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Array} val
+ * @api public
+ */
+
+/**
+ * Specifies an `$nin` query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @see $nin https://docs.mongodb.org/manual/reference/operator/nin/
+ * @method nin
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Array} val
+ * @api public
+ */
+
+/**
+ * Specifies an `$all` query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * #### Example:
+ *
+ *     MyModel.find().where('pets').all(['dog', 'cat', 'ferret']);
+ *     // Equivalent:
+ *     MyModel.find().all('pets', ['dog', 'cat', 'ferret']);
+ *
+ * @see $all https://docs.mongodb.org/manual/reference/operator/all/
+ * @method all
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Array} val
+ * @api public
+ */
+
+/**
+ * Specifies a `$size` query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * #### Example:
+ *
+ *     const docs = await MyModel.where('tags').size(0).exec();
+ *     assert(Array.isArray(docs));
+ *     console.log('documents with 0 tags', docs);
+ *
+ * @see $size https://docs.mongodb.org/manual/reference/operator/size/
+ * @method size
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Number} val
+ * @api public
+ */
+
+/**
+ * Specifies a `$regex` query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @see $regex https://docs.mongodb.org/manual/reference/operator/regex/
+ * @method regex
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {String|RegExp} val
+ * @api public
+ */
+
+/**
+ * Specifies a `maxDistance` query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @see $maxDistance https://docs.mongodb.org/manual/reference/operator/maxDistance/
+ * @method maxDistance
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Number} val
+ * @api public
+ */
+
+/**
+ * Specifies a `$mod` condition, filters documents for documents whose
+ * `path` property is a number that is equal to `remainder` modulo `divisor`.
+ *
+ * #### Example:
+ *
+ *     // All find products whose inventory is odd
+ *     Product.find().mod('inventory', [2, 1]);
+ *     Product.find().where('inventory').mod([2, 1]);
+ *     // This syntax is a little strange, but supported.
+ *     Product.find().where('inventory').mod(2, 1);
+ *
+ * @method mod
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Array} val must be of length 2, first element is `divisor`, 2nd element is `remainder`.
+ * @return {Query} this
+ * @see $mod https://docs.mongodb.org/manual/reference/operator/mod/
+ * @api public
+ */
+
+Query.prototype.mod = function() {
+  let val;
+  let path;
+
+  if (arguments.length === 1) {
+    this._ensurePath('mod');
+    val = arguments[0];
+    path = this._path;
+  } else if (arguments.length === 2 && !Array.isArray(arguments[1])) {
+    this._ensurePath('mod');
+    val = [arguments[0], arguments[1]];
+    path = this._path;
+  } else if (arguments.length === 3) {
+    val = [arguments[1], arguments[2]];
+    path = arguments[0];
+  } else {
+    val = arguments[1];
+    path = arguments[0];
+  }
+
+  const conds = this._conditions[path] || (this._conditions[path] = {});
+  conds.$mod = val;
+  return this;
+};
+
+/**
+ * Specifies an `$exists` condition
+ *
+ * #### Example:
+ *
+ *     // { name: { $exists: true }}
+ *     Thing.where('name').exists()
+ *     Thing.where('name').exists(true)
+ *     Thing.find().exists('name')
+ *
+ *     // { name: { $exists: false }}
+ *     Thing.where('name').exists(false);
+ *     Thing.find().exists('name', false);
+ *
+ * @method exists
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Boolean} val
+ * @return {Query} this
+ * @see $exists https://docs.mongodb.org/manual/reference/operator/exists/
+ * @api public
+ */
+
+/**
+ * Specifies an `$elemMatch` condition
+ *
+ * #### Example:
+ *
+ *     query.elemMatch('comment', { author: 'autobot', votes: {$gte: 5}})
+ *
+ *     query.where('comment').elemMatch({ author: 'autobot', votes: {$gte: 5}})
+ *
+ *     query.elemMatch('comment', function (elem) {
+ *       elem.where('author').equals('autobot');
+ *       elem.where('votes').gte(5);
+ *     })
+ *
+ *     query.where('comment').elemMatch(function (elem) {
+ *       elem.where({ author: 'autobot' });
+ *       elem.where('votes').gte(5);
+ *     })
+ *
+ * @method elemMatch
+ * @memberOf Query
+ * @instance
+ * @param {String|Object|Function} path
+ * @param {Object|Function} filter
+ * @return {Query} this
+ * @see $elemMatch https://docs.mongodb.org/manual/reference/operator/elemMatch/
+ * @api public
+ */
+
+/**
+ * Defines a `$within` or `$geoWithin` argument for geo-spatial queries.
+ *
+ * #### Example:
+ *
+ *     query.where(path).within().box()
+ *     query.where(path).within().circle()
+ *     query.where(path).within().geometry()
+ *
+ *     query.where('loc').within({ center: [50,50], radius: 10, unique: true, spherical: true });
+ *     query.where('loc').within({ box: [[40.73, -73.9], [40.7, -73.988]] });
+ *     query.where('loc').within({ polygon: [[],[],[],[]] });
+ *
+ *     query.where('loc').within([], [], []) // polygon
+ *     query.where('loc').within([], []) // box
+ *     query.where('loc').within({ type: 'LineString', coordinates: [...] }); // geometry
+ *
+ * **MUST** be used after `where()`.
+ *
+ * #### Note:
+ *
+ * As of Mongoose 3.7, `$geoWithin` is always used for queries. To change this behavior, see [Query.use$geoWithin](#query_Query-use%2524geoWithin).
+ *
+ * #### Note:
+ *
+ * In Mongoose 3.7, `within` changed from a getter to a function. If you need the old syntax, use [this](https://github.com/ebensing/mongoose-within).
+ *
+ * @method within
+ * @see $polygon https://docs.mongodb.org/manual/reference/operator/polygon/
+ * @see $box https://docs.mongodb.org/manual/reference/operator/box/
+ * @see $geometry https://docs.mongodb.org/manual/reference/operator/geometry/
+ * @see $center https://docs.mongodb.org/manual/reference/operator/center/
+ * @see $centerSphere https://docs.mongodb.org/manual/reference/operator/centerSphere/
+ * @memberOf Query
+ * @instance
+ * @return {Query} this
+ * @api public
+ */
+
+/**
+ * Specifies the maximum number of documents the query will return.
+ *
+ * #### Example:
+ *
+ *     query.limit(20);
+ *
+ * #### Note:
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @method limit
+ * @memberOf Query
+ * @instance
+ * @param {Number} val
+ * @api public
+ */
+
+Query.prototype.limit = function limit(v) {
+  this._validate('limit');
+
+  if (typeof v === 'string') {
+    try {
+      v = castNumber(v);
+    } catch (err) {
+      throw new CastError('Number', v, 'limit');
+    }
+  }
+
+  this.options.limit = v;
+  return this;
+};
+
+/**
+ * Specifies the number of documents to skip.
+ *
+ * #### Example:
+ *
+ *     query.skip(100).limit(20);
+ *
+ * #### Note:
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @method skip
+ * @memberOf Query
+ * @instance
+ * @param {Number} val
+ * @see cursor.skip https://docs.mongodb.org/manual/reference/method/cursor.skip/
+ * @api public
+ */
+
+Query.prototype.skip = function skip(v) {
+  this._validate('skip');
+
+  if (typeof v === 'string') {
+    try {
+      v = castNumber(v);
+    } catch (err) {
+      throw new CastError('Number', v, 'skip');
+    }
+  }
+
+  this.options.skip = v;
+  return this;
+};
+
+/**
+ * Specifies the maxScan option.
+ *
+ * #### Example:
+ *
+ *     query.maxScan(100);
+ *
+ * #### Note:
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @method maxScan
+ * @memberOf Query
+ * @instance
+ * @param {Number} val
+ * @see maxScan https://docs.mongodb.org/manual/reference/operator/maxScan/
+ * @api public
+ */
+
+/**
+ * Specifies the batchSize option.
+ *
+ * #### Example:
+ *
+ *     query.batchSize(100)
+ *
+ * #### Note:
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @method batchSize
+ * @memberOf Query
+ * @instance
+ * @param {Number} val
+ * @see batchSize https://docs.mongodb.org/manual/reference/method/cursor.batchSize/
+ * @api public
+ */
+
+/**
+ * Specifies the `comment` option.
+ *
+ * #### Example:
+ *
+ *     query.comment('login query')
+ *
+ * #### Note:
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @method comment
+ * @memberOf Query
+ * @instance
+ * @param {String} val
+ * @see comment https://docs.mongodb.org/manual/reference/operator/comment/
+ * @api public
+ */
+
+/**
+ * Specifies this query as a `snapshot` query.
+ *
+ * #### Example:
+ *
+ *     query.snapshot(); // true
+ *     query.snapshot(true);
+ *     query.snapshot(false);
+ *
+ * #### Note:
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @method snapshot
+ * @memberOf Query
+ * @instance
+ * @see snapshot https://docs.mongodb.org/manual/reference/operator/snapshot/
+ * @return {Query} this
+ * @api public
+ */
+
+/**
+ * Sets query hints.
+ *
+ * #### Example:
+ *
+ *     query.hint({ indexA: 1, indexB: -1 });
+ *
+ * #### Note:
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @method hint
+ * @memberOf Query
+ * @instance
+ * @param {Object} val a hint object
+ * @return {Query} this
+ * @see $hint https://docs.mongodb.org/manual/reference/operator/hint/
+ * @api public
+ */
+
+/**
+ * Get/set the current projection (AKA fields). Pass `null` to remove the
+ * current projection.
+ *
+ * Unlike `projection()`, the `select()` function modifies the current
+ * projection in place. This function overwrites the existing projection.
+ *
+ * #### Example:
+ *
+ *     const q = Model.find();
+ *     q.projection(); // null
+ *
+ *     q.select('a b');
+ *     q.projection(); // { a: 1, b: 1 }
+ *
+ *     q.projection({ c: 1 });
+ *     q.projection(); // { c: 1 }
+ *
+ *     q.projection(null);
+ *     q.projection(); // null
+ *
+ *
+ * @method projection
+ * @memberOf Query
+ * @instance
+ * @param {Object|null} arg
+ * @return {Object} the current projection
+ * @api public
+ */
+
+Query.prototype.projection = function(arg) {
+  if (arguments.length === 0) {
+    return this._fields;
+  }
+
+  this._fields = {};
+  this._userProvidedFields = {};
+  this.select(arg);
+  return this._fields;
+};
+
+/**
+ * Specifies which document fields to include or exclude (also known as the query "projection")
+ *
+ * When using string syntax, prefixing a path with `-` will flag that path as excluded. When a path does not have the `-` prefix, it is included. Lastly, if a path is prefixed with `+`, it forces inclusion of the path, which is useful for paths excluded at the [schema level](/docs/api.html#schematype_SchemaType-select).
+ *
+ * A projection _must_ be either inclusive or exclusive. In other words, you must
+ * either list the fields to include (which excludes all others), or list the fields
+ * to exclude (which implies all other fields are included). The [`_id` field is the only exception because MongoDB includes it by default](https://docs.mongodb.com/manual/tutorial/project-fields-from-query-results/#suppress-id-field).
+ *
+ * #### Example:
+ *
+ *     // include a and b, exclude other fields
+ *     query.select('a b');
+ *     // Equivalent syntaxes:
+ *     query.select(['a', 'b']);
+ *     query.select({ a: 1, b: 1 });
+ *
+ *     // exclude c and d, include other fields
+ *     query.select('-c -d');
+ *
+ *     // Use `+` to override schema-level `select: false` without making the
+ *     // projection inclusive.
+ *     const schema = new Schema({
+ *       foo: { type: String, select: false },
+ *       bar: String
+ *     });
+ *     // ...
+ *     query.select('+foo'); // Override foo's `select: false` without excluding `bar`
+ *
+ *     // or you may use object notation, useful when
+ *     // you have keys already prefixed with a "-"
+ *     query.select({ a: 1, b: 1 });
+ *     query.select({ c: 0, d: 0 });
+ *
+ *     Additional calls to select can override the previous selection:
+ *     query.select({ a: 1, b: 1 }).select({ b: 0 }); // selection is now { a: 1 }
+ *     query.select({ a: 0, b: 0 }).select({ b: 1 }); // selection is now { a: 0 }
+ *
+ *
+ * @method select
+ * @memberOf Query
+ * @instance
+ * @param {Object|String|String[]} arg
+ * @return {Query} this
+ * @see SchemaType /docs/api/schematype
+ * @api public
+ */
+
+Query.prototype.select = function select() {
+  let arg = arguments[0];
+  if (!arg) return this;
+
+  if (arguments.length !== 1) {
+    throw new Error('Invalid select: select only takes 1 argument');
+  }
+
+  this._validate('select');
+
+  const fields = this._fields || (this._fields = {});
+  const userProvidedFields = this._userProvidedFields || (this._userProvidedFields = {});
+  let sanitizeProjection = undefined;
+  if (this.model != null && utils.hasUserDefinedProperty(this.model.db.options, 'sanitizeProjection')) {
+    sanitizeProjection = this.model.db.options.sanitizeProjection;
+  } else if (this.model != null && utils.hasUserDefinedProperty(this.model.base.options, 'sanitizeProjection')) {
+    sanitizeProjection = this.model.base.options.sanitizeProjection;
+  } else {
+    sanitizeProjection = this._mongooseOptions.sanitizeProjection;
+  }
+
+  function sanitizeValue(value) {
+    return typeof value === 'string' && sanitizeProjection ? value = 1 : value;
+  }
+
+  arg = parseProjection(arg);
+
+  if (utils.isObject(arg)) {
+    if (this.selectedInclusively()) {
+      Object.entries(arg).forEach(([key, value]) => {
+        if (value) {
+          // Add the field to the projection
+          fields[key] = userProvidedFields[key] = sanitizeValue(value);
+        } else {
+          // Remove the field from the projection
+          Object.keys(userProvidedFields).forEach(field => {
+            if (isSubpath(key, field)) {
+              delete fields[field];
+              delete userProvidedFields[field];
+            }
+          });
+        }
+      });
+    } else if (this.selectedExclusively()) {
+      Object.entries(arg).forEach(([key, value]) => {
+        if (!value) {
+          // Add the field to the projection
+          fields[key] = userProvidedFields[key] = sanitizeValue(value);
+        } else {
+          // Remove the field from the projection
+          Object.keys(userProvidedFields).forEach(field => {
+            if (isSubpath(key, field)) {
+              delete fields[field];
+              delete userProvidedFields[field];
+            }
+          });
+        }
+      });
+    } else {
+      const keys = Object.keys(arg);
+      for (let i = 0; i < keys.length; ++i) {
+        const value = arg[keys[i]];
+        fields[keys[i]] = sanitizeValue(value);
+        userProvidedFields[keys[i]] = sanitizeValue(value);
+      }
+    }
+    return this;
+  }
+
+  throw new TypeError('Invalid select() argument. Must be string or object.');
+};
+
+/**
+ * Determines the MongoDB nodes from which to read.
+ *
+ * #### Preferences:
+ *
+ * ```
+ * primary - (default) Read from primary only. Operations will produce an error if primary is unavailable. Cannot be combined with tags.
+ * secondary            Read from secondary if available, otherwise error.
+ * primaryPreferred     Read from primary if available, otherwise a secondary.
+ * secondaryPreferred   Read from a secondary if available, otherwise read from the primary.
+ * nearest              All operations read from among the nearest candidates, but unlike other modes, this option will include both the primary and all secondaries in the random selection.
+ * ```
+ *
+ * Aliases
+ *
+ * ```
+ * p   primary
+ * pp  primaryPreferred
+ * s   secondary
+ * sp  secondaryPreferred
+ * n   nearest
+ * ```
+ *
+ * #### Example:
+ *
+ *     new Query().read('primary')
+ *     new Query().read('p')  // same as primary
+ *
+ *     new Query().read('primaryPreferred')
+ *     new Query().read('pp') // same as primaryPreferred
+ *
+ *     new Query().read('secondary')
+ *     new Query().read('s')  // same as secondary
+ *
+ *     new Query().read('secondaryPreferred')
+ *     new Query().read('sp') // same as secondaryPreferred
+ *
+ *     new Query().read('nearest')
+ *     new Query().read('n')  // same as nearest
+ *
+ *     // read from secondaries with matching tags
+ *     new Query().read('s', [{ dc:'sf', s: 1 },{ dc:'ma', s: 2 }])
+ *
+ * Read more about how to use read preferences [here](https://docs.mongodb.org/manual/applications/replication/#read-preference).
+ *
+ * @method read
+ * @memberOf Query
+ * @instance
+ * @param {String} pref one of the listed preference options or aliases
+ * @param {Array} [tags] optional tags for this query
+ * @see mongodb https://docs.mongodb.org/manual/applications/replication/#read-preference
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.read = function read(pref, tags) {
+  // first cast into a ReadPreference object to support tags
+  const read = new ReadPreference(pref, tags);
+  this.options.readPreference = read;
+  return this;
+};
+
+/**
+ * Overwrite default `.toString` to make logging more useful
+ *
+ * @memberOf Query
+ * @instance
+ * @method toString
+ * @api private
+ */
+
+Query.prototype.toString = function toString() {
+  if (this.op === 'count' ||
+      this.op === 'countDocuments' ||
+      this.op === 'find' ||
+      this.op === 'findOne' ||
+      this.op === 'deleteMany' ||
+      this.op === 'deleteOne' ||
+      this.op === 'findOneAndDelete' ||
+      this.op === 'findOneAndRemove' ||
+      this.op === 'remove') {
+    return `${this.model.modelName}.${this.op}(${util.inspect(this._conditions)})`;
+  }
+  if (this.op === 'distinct') {
+    return `${this.model.modelName}.distinct('${this._distinct}', ${util.inspect(this._conditions)})`;
+  }
+  if (this.op === 'findOneAndReplace' ||
+      this.op === 'findOneAndUpdate' ||
+      this.op === 'replaceOne' ||
+      this.op === 'update' ||
+      this.op === 'updateMany' ||
+      this.op === 'updateOne') {
+    return `${this.model.modelName}.${this.op}(${util.inspect(this._conditions)}, ${util.inspect(this._update)})`;
+  }
+
+  // 'estimatedDocumentCount' or any others
+  return `${this.model.modelName}.${this.op}()`;
+};
+
+/**
+ * Sets the [MongoDB session](https://docs.mongodb.com/manual/reference/server-sessions/)
+ * associated with this query. Sessions are how you mark a query as part of a
+ * [transaction](/docs/transactions.html).
+ *
+ * Calling `session(null)` removes the session from this query.
+ *
+ * #### Example:
+ *
+ *     const s = await mongoose.startSession();
+ *     await mongoose.model('Person').findOne({ name: 'Axl Rose' }).session(s);
+ *
+ * @method session
+ * @memberOf Query
+ * @instance
+ * @param {ClientSession} [session] from `await conn.startSession()`
+ * @see Connection.prototype.startSession() /docs/api.html#connection_Connection-startSession
+ * @see mongoose.startSession() /docs/api.html#mongoose_Mongoose-startSession
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.session = function session(v) {
+  if (v == null) {
+    delete this.options.session;
+  }
+  this.options.session = v;
+  return this;
+};
+
+/**
+ * Sets the 3 write concern parameters for this query:
+ *
+ * - `w`: Sets the specified number of `mongod` servers, or tag set of `mongod` servers, that must acknowledge this write before this write is considered successful.
+ * - `j`: Boolean, set to `true` to request acknowledgement that this operation has been persisted to MongoDB's on-disk journal.
+ * - `wtimeout`: If [`w > 1`](/docs/api.html#query_Query-w), the maximum amount of time to wait for this write to propagate through the replica set before this operation fails. The default is `0`, which means no timeout.
+ *
+ * This option is only valid for operations that write to the database:
+ *
+ * - `deleteOne()`
+ * - `deleteMany()`
+ * - `findOneAndDelete()`
+ * - `findOneAndReplace()`
+ * - `findOneAndUpdate()`
+ * - `remove()`
+ * - `update()`
+ * - `updateOne()`
+ * - `updateMany()`
+ *
+ * Defaults to the schema's [`writeConcern` option](/docs/guide.html#writeConcern)
+ *
+ * #### Example:
+ *
+ *     // The 'majority' option means the `deleteOne()` promise won't resolve
+ *     // until the `deleteOne()` has propagated to the majority of the replica set
+ *     await mongoose.model('Person').
+ *       deleteOne({ name: 'Ned Stark' }).
+ *       writeConcern({ w: 'majority' });
+ *
+ * @method writeConcern
+ * @memberOf Query
+ * @instance
+ * @param {Object} writeConcern the write concern value to set
+ * @see WriteConcernSettings https://mongodb.github.io/node-mongodb-native/4.9/interfaces/WriteConcernSettings.html
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.writeConcern = function writeConcern(val) {
+  if (val == null) {
+    delete this.options.writeConcern;
+    return this;
+  }
+  this.options.writeConcern = val;
+  return this;
+};
+
+/**
+ * Sets the specified number of `mongod` servers, or tag set of `mongod` servers,
+ * that must acknowledge this write before this write is considered successful.
+ * This option is only valid for operations that write to the database:
+ *
+ * - `deleteOne()`
+ * - `deleteMany()`
+ * - `findOneAndDelete()`
+ * - `findOneAndReplace()`
+ * - `findOneAndUpdate()`
+ * - `remove()`
+ * - `update()`
+ * - `updateOne()`
+ * - `updateMany()`
+ *
+ * Defaults to the schema's [`writeConcern.w` option](/docs/guide.html#writeConcern)
+ *
+ * #### Example:
+ *
+ *     // The 'majority' option means the `deleteOne()` promise won't resolve
+ *     // until the `deleteOne()` has propagated to the majority of the replica set
+ *     await mongoose.model('Person').
+ *       deleteOne({ name: 'Ned Stark' }).
+ *       w('majority');
+ *
+ * @method w
+ * @memberOf Query
+ * @instance
+ * @param {String|number} val 0 for fire-and-forget, 1 for acknowledged by one server, 'majority' for majority of the replica set, or [any of the more advanced options](https://docs.mongodb.com/manual/reference/write-concern/#w-option).
+ * @see mongodb https://docs.mongodb.com/manual/reference/write-concern/#w-option
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.w = function w(val) {
+  if (val == null) {
+    delete this.options.w;
+  }
+  if (this.options.writeConcern != null) {
+    this.options.writeConcern.w = val;
+  } else {
+    this.options.w = val;
+  }
+  return this;
+};
+
+/**
+ * Requests acknowledgement that this operation has been persisted to MongoDB's
+ * on-disk journal.
+ * This option is only valid for operations that write to the database:
+ *
+ * - `deleteOne()`
+ * - `deleteMany()`
+ * - `findOneAndDelete()`
+ * - `findOneAndReplace()`
+ * - `findOneAndUpdate()`
+ * - `remove()`
+ * - `update()`
+ * - `updateOne()`
+ * - `updateMany()`
+ *
+ * Defaults to the schema's [`writeConcern.j` option](/docs/guide.html#writeConcern)
+ *
+ * #### Example:
+ *
+ *     await mongoose.model('Person').deleteOne({ name: 'Ned Stark' }).j(true);
+ *
+ * @method j
+ * @memberOf Query
+ * @instance
+ * @param {boolean} val
+ * @see mongodb https://docs.mongodb.com/manual/reference/write-concern/#j-option
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.j = function j(val) {
+  if (val == null) {
+    delete this.options.j;
+  }
+  if (this.options.writeConcern != null) {
+    this.options.writeConcern.j = val;
+  } else {
+    this.options.j = val;
+  }
+  return this;
+};
+
+/**
+ * If [`w > 1`](/docs/api.html#query_Query-w), the maximum amount of time to
+ * wait for this write to propagate through the replica set before this
+ * operation fails. The default is `0`, which means no timeout.
+ *
+ * This option is only valid for operations that write to the database:
+ *
+ * - `deleteOne()`
+ * - `deleteMany()`
+ * - `findOneAndDelete()`
+ * - `findOneAndReplace()`
+ * - `findOneAndUpdate()`
+ * - `remove()`
+ * - `update()`
+ * - `updateOne()`
+ * - `updateMany()`
+ *
+ * Defaults to the schema's [`writeConcern.wtimeout` option](/docs/guide.html#writeConcern)
+ *
+ * #### Example:
+ *
+ *     // The `deleteOne()` promise won't resolve until this `deleteOne()` has
+ *     // propagated to at least `w = 2` members of the replica set. If it takes
+ *     // longer than 1 second, this `deleteOne()` will fail.
+ *     await mongoose.model('Person').
+ *       deleteOne({ name: 'Ned Stark' }).
+ *       w(2).
+ *       wtimeout(1000);
+ *
+ * @method wtimeout
+ * @memberOf Query
+ * @instance
+ * @param {number} ms number of milliseconds to wait
+ * @see mongodb https://docs.mongodb.com/manual/reference/write-concern/#wtimeout
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.wtimeout = function wtimeout(ms) {
+  if (ms == null) {
+    delete this.options.wtimeout;
+  }
+  if (this.options.writeConcern != null) {
+    this.options.writeConcern.wtimeout = ms;
+  } else {
+    this.options.wtimeout = ms;
+  }
+  return this;
+};
+
+/**
+ * Sets the readConcern option for the query.
+ *
+ * #### Example:
+ *
+ *     new Query().readConcern('local')
+ *     new Query().readConcern('l')  // same as local
+ *
+ *     new Query().readConcern('available')
+ *     new Query().readConcern('a')  // same as available
+ *
+ *     new Query().readConcern('majority')
+ *     new Query().readConcern('m')  // same as majority
+ *
+ *     new Query().readConcern('linearizable')
+ *     new Query().readConcern('lz') // same as linearizable
+ *
+ *     new Query().readConcern('snapshot')
+ *     new Query().readConcern('s')  // same as snapshot
+ *
+ *
+ * #### Read Concern Level:
+ *
+ * ```
+ * local         MongoDB 3.2+ The query returns from the instance with no guarantee guarantee that the data has been written to a majority of the replica set members (i.e. may be rolled back).
+ * available     MongoDB 3.6+ The query returns from the instance with no guarantee guarantee that the data has been written to a majority of the replica set members (i.e. may be rolled back).
+ * majority      MongoDB 3.2+ The query returns the data that has been acknowledged by a majority of the replica set members. The documents returned by the read operation are durable, even in the event of failure.
+ * linearizable  MongoDB 3.4+ The query returns data that reflects all successful majority-acknowledged writes that completed prior to the start of the read operation. The query may wait for concurrently executing writes to propagate to a majority of replica set members before returning results.
+ * snapshot      MongoDB 4.0+ Only available for operations within multi-document transactions. Upon transaction commit with write concern "majority", the transaction operations are guaranteed to have read from a snapshot of majority-committed data.
+ * ```
+ *
+ * Aliases
+ *
+ * ```
+ * l   local
+ * a   available
+ * m   majority
+ * lz  linearizable
+ * s   snapshot
+ * ```
+ *
+ * Read more about how to use read concern [here](https://docs.mongodb.com/manual/reference/read-concern/).
+ *
+ * @memberOf Query
+ * @method readConcern
+ * @param {String} level one of the listed read concern level or their aliases
+ * @see mongodb https://docs.mongodb.com/manual/reference/read-concern/
+ * @return {Query} this
+ * @api public
+ */
+
+/**
+ * Gets query options.
+ *
+ * #### Example:
+ *
+ *     const query = new Query();
+ *     query.limit(10);
+ *     query.setOptions({ maxTimeMS: 1000 });
+ *     query.getOptions(); // { limit: 10, maxTimeMS: 1000 }
+ *
+ * @return {Object} the options
+ * @api public
+ */
+
+Query.prototype.getOptions = function() {
+  return this.options;
+};
+
+/**
+ * Sets query options. Some options only make sense for certain operations.
+ *
+ * #### Options:
+ *
+ * The following options are only for `find()`:
+ *
+ * - [tailable](https://www.mongodb.org/display/DOCS/Tailable+Cursors)
+ * - [sort](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Bsort(\)%7D%7D)
+ * - [limit](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Blimit%28%29%7D%7D)
+ * - [skip](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Bskip%28%29%7D%7D)
+ * - [allowDiskUse](https://docs.mongodb.com/manual/reference/method/cursor.allowDiskUse/)
+ * - [batchSize](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7BbatchSize%28%29%7D%7D)
+ * - [readPreference](https://docs.mongodb.org/manual/applications/replication/#read-preference)
+ * - [hint](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%24hint)
+ * - [comment](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%24comment)
+ * - [snapshot](https://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Bsnapshot%28%29%7D%7D)
+ * - [maxscan](https://docs.mongodb.org/v3.2/reference/operator/meta/maxScan/#metaOp._S_maxScan)
+ *
+ * The following options are only for write operations: `update()`, `updateOne()`, `updateMany()`, `replaceOne()`, `findOneAndUpdate()`, and `findByIdAndUpdate()`:
+ *
+ * - [upsert](https://docs.mongodb.com/manual/reference/method/db.collection.update/)
+ * - [writeConcern](https://docs.mongodb.com/manual/reference/method/db.collection.update/)
+ * - [timestamps](https://mongoosejs.com/docs/guide.html#timestamps): If `timestamps` is set in the schema, set this option to `false` to skip timestamps for that particular update. Has no effect if `timestamps` is not enabled in the schema options.
+ * - overwriteDiscriminatorKey: allow setting the discriminator key in the update. Will use the correct discriminator schema if the update changes the discriminator key.
+ *
+ * The following options are only for `find()`, `findOne()`, `findById()`, `findOneAndUpdate()`, and `findByIdAndUpdate()`:
+ *
+ * - [lean](./api.html#query_Query-lean)
+ * - [populate](/docs/populate.html)
+ * - [projection](/docs/api/query.html#query_Query-projection)
+ * - sanitizeProjection
+ *
+ * The following options are only for all operations **except** `update()`, `updateOne()`, `updateMany()`, `remove()`, `deleteOne()`, and `deleteMany()`:
+ *
+ * - [maxTimeMS](https://docs.mongodb.com/manual/reference/operator/meta/maxTimeMS/)
+ *
+ * The following options are for `findOneAndUpdate()` and `findOneAndRemove()`
+ *
+ * - rawResult
+ *
+ * The following options are for all operations:
+ *
+ * - [strict](/docs/guide.html#strict)
+ * - [collation](https://docs.mongodb.com/manual/reference/collation/)
+ * - [session](https://docs.mongodb.com/manual/reference/server-sessions/)
+ * - [explain](https://docs.mongodb.com/manual/reference/method/cursor.explain/)
+ *
+ * @param {Object} options
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.setOptions = function(options, overwrite) {
+  // overwrite is only for internal use
+  if (overwrite) {
+    // ensure that _mongooseOptions & options are two different objects
+    this._mongooseOptions = (options && utils.clone(options)) || {};
+    this.options = options || {};
+
+    if ('populate' in options) {
+      this.populate(this._mongooseOptions);
+    }
+    return this;
+  }
+  if (options == null) {
+    return this;
+  }
+  if (typeof options !== 'object') {
+    throw new Error('Options must be an object, got "' + options + '"');
+  }
+
+  options = Object.assign({}, options);
+
+  if (Array.isArray(options.populate)) {
+    const populate = options.populate;
+    delete options.populate;
+    const _numPopulate = populate.length;
+    for (let i = 0; i < _numPopulate; ++i) {
+      this.populate(populate[i]);
+    }
+  }
+
+  if ('setDefaultsOnInsert' in options) {
+    this._mongooseOptions.setDefaultsOnInsert = options.setDefaultsOnInsert;
+    delete options.setDefaultsOnInsert;
+  }
+  if ('overwriteDiscriminatorKey' in options) {
+    this._mongooseOptions.overwriteDiscriminatorKey = options.overwriteDiscriminatorKey;
+    delete options.overwriteDiscriminatorKey;
+  }
+  if ('sanitizeProjection' in options) {
+    if (options.sanitizeProjection && !this._mongooseOptions.sanitizeProjection) {
+      sanitizeProjection(this._fields);
+    }
+
+    this._mongooseOptions.sanitizeProjection = options.sanitizeProjection;
+    delete options.sanitizeProjection;
+  }
+  if ('sanitizeFilter' in options) {
+    this._mongooseOptions.sanitizeFilter = options.sanitizeFilter;
+    delete options.sanitizeFilter;
+  }
+
+  if ('defaults' in options) {
+    this._mongooseOptions.defaults = options.defaults;
+    // deleting options.defaults will cause 7287 to fail
+  }
+  if (options.lean == null && this.schema && 'lean' in this.schema.options) {
+    this._mongooseOptions.lean = this.schema.options.lean;
+  }
+
+  if (typeof options.limit === 'string') {
+    try {
+      options.limit = castNumber(options.limit);
+    } catch (err) {
+      throw new CastError('Number', options.limit, 'limit');
+    }
+  }
+  if (typeof options.skip === 'string') {
+    try {
+      options.skip = castNumber(options.skip);
+    } catch (err) {
+      throw new CastError('Number', options.skip, 'skip');
+    }
+  }
+
+  // set arbitrary options
+  for (const key of Object.keys(options)) {
+    if (queryOptionMethods.has(key)) {
+      const args = Array.isArray(options[key]) ?
+        options[key] :
+        [options[key]];
+      this[key].apply(this, args);
+    } else {
+      this.options[key] = options[key];
+    }
+  }
+
+  return this;
+};
+
+/**
+ * Sets the [`explain` option](https://docs.mongodb.com/manual/reference/method/cursor.explain/),
+ * which makes this query return detailed execution stats instead of the actual
+ * query result. This method is useful for determining what index your queries
+ * use.
+ *
+ * Calling `query.explain(v)` is equivalent to `query.setOptions({ explain: v })`
+ *
+ * #### Example:
+ *
+ *     const query = new Query();
+ *     const res = await query.find({ a: 1 }).explain('queryPlanner');
+ *     console.log(res);
+ *
+ * @param {String} [verbose] The verbosity mode. Either 'queryPlanner', 'executionStats', or 'allPlansExecution'. The default is 'queryPlanner'
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.explain = function(verbose) {
+  if (arguments.length === 0) {
+    this.options.explain = true;
+  } else if (verbose === false) {
+    delete this.options.explain;
+  } else {
+    this.options.explain = verbose;
+  }
+  return this;
+};
+
+/**
+ * Sets the [`allowDiskUse` option](https://docs.mongodb.com/manual/reference/method/cursor.allowDiskUse/),
+ * which allows the MongoDB server to use more than 100 MB for this query's `sort()`. This option can
+ * let you work around `QueryExceededMemoryLimitNoDiskUseAllowed` errors from the MongoDB server.
+ *
+ * Note that this option requires MongoDB server >= 4.4. Setting this option is a no-op for MongoDB 4.2
+ * and earlier.
+ *
+ * Calling `query.allowDiskUse(v)` is equivalent to `query.setOptions({ allowDiskUse: v })`
+ *
+ * #### Example:
+ *
+ *     await query.find().sort({ name: 1 }).allowDiskUse(true);
+ *     // Equivalent:
+ *     await query.find().sort({ name: 1 }).allowDiskUse();
+ *
+ * @param {Boolean} [v] Enable/disable `allowDiskUse`. If called with 0 arguments, sets `allowDiskUse: true`
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.allowDiskUse = function(v) {
+  if (arguments.length === 0) {
+    this.options.allowDiskUse = true;
+  } else if (v === false) {
+    delete this.options.allowDiskUse;
+  } else {
+    this.options.allowDiskUse = v;
+  }
+  return this;
+};
+
+/**
+ * Sets the [maxTimeMS](https://docs.mongodb.com/manual/reference/method/cursor.maxTimeMS/)
+ * option. This will tell the MongoDB server to abort if the query or write op
+ * has been running for more than `ms` milliseconds.
+ *
+ * Calling `query.maxTimeMS(v)` is equivalent to `query.setOptions({ maxTimeMS: v })`
+ *
+ * #### Example:
+ *
+ *     const query = new Query();
+ *     // Throws an error 'operation exceeded time limit' as long as there's
+ *     // >= 1 doc in the queried collection
+ *     const res = await query.find({ $where: 'sleep(1000) || true' }).maxTimeMS(100);
+ *
+ * @param {Number} [ms] The number of milliseconds
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.maxTimeMS = function(ms) {
+  this.options.maxTimeMS = ms;
+  return this;
+};
+
+/**
+ * Returns the current query filter (also known as conditions) as a [POJO](https://masteringjs.io/tutorials/fundamentals/pojo).
+ *
+ * #### Example:
+ *
+ *     const query = new Query();
+ *     query.find({ a: 1 }).where('b').gt(2);
+ *     query.getFilter(); // { a: 1, b: { $gt: 2 } }
+ *
+ * @return {Object} current query filter
+ * @api public
+ */
+
+Query.prototype.getFilter = function() {
+  return this._conditions;
+};
+
+/**
+ * Returns the current query filter. Equivalent to `getFilter()`.
+ *
+ * You should use `getFilter()` instead of `getQuery()` where possible. `getQuery()`
+ * will likely be deprecated in a future release.
+ *
+ * #### Example:
+ *
+ *     const query = new Query();
+ *     query.find({ a: 1 }).where('b').gt(2);
+ *     query.getQuery(); // { a: 1, b: { $gt: 2 } }
+ *
+ * @return {Object} current query filter
+ * @api public
+ */
+
+Query.prototype.getQuery = function() {
+  return this._conditions;
+};
+
+/**
+ * Sets the query conditions to the provided JSON object.
+ *
+ * #### Example:
+ *
+ *     const query = new Query();
+ *     query.find({ a: 1 })
+ *     query.setQuery({ a: 2 });
+ *     query.getQuery(); // { a: 2 }
+ *
+ * @param {Object} new query conditions
+ * @return {undefined}
+ * @api public
+ */
+
+Query.prototype.setQuery = function(val) {
+  this._conditions = val;
+};
+
+/**
+ * Returns the current update operations as a JSON object.
+ *
+ * #### Example:
+ *
+ *     const query = new Query();
+ *     query.update({}, { $set: { a: 5 } });
+ *     query.getUpdate(); // { $set: { a: 5 } }
+ *
+ * @return {Object} current update operations
+ * @api public
+ */
+
+Query.prototype.getUpdate = function() {
+  return this._update;
+};
+
+/**
+ * Sets the current update operation to new value.
+ *
+ * #### Example:
+ *
+ *     const query = new Query();
+ *     query.update({}, { $set: { a: 5 } });
+ *     query.setUpdate({ $set: { b: 6 } });
+ *     query.getUpdate(); // { $set: { b: 6 } }
+ *
+ * @param {Object} new update operation
+ * @return {undefined}
+ * @api public
+ */
+
+Query.prototype.setUpdate = function(val) {
+  this._update = val;
+};
+
+/**
+ * Returns fields selection for this query.
+ *
+ * @method _fieldsForExec
+ * @return {Object}
+ * @api private
+ * @memberOf Query
+ */
+
+Query.prototype._fieldsForExec = function() {
+  return utils.clone(this._fields);
+};
+
+
+/**
+ * Return an update document with corrected `$set` operations.
+ *
+ * @method _updateForExec
+ * @return {Object}
+ * @api private
+ * @memberOf Query
+ */
+
+Query.prototype._updateForExec = function() {
+  const update = utils.clone(this._update, {
+    transform: false,
+    depopulate: true
+  });
+  const ops = Object.keys(update);
+  let i = ops.length;
+  const ret = {};
+
+  while (i--) {
+    const op = ops[i];
+
+    if (this.options.overwrite) {
+      ret[op] = update[op];
+      continue;
+    }
+
+    if ('$' !== op[0]) {
+      // fix up $set sugar
+      if (!ret.$set) {
+        if (update.$set) {
+          ret.$set = update.$set;
+        } else {
+          ret.$set = {};
+        }
+      }
+      ret.$set[op] = update[op];
+      ops.splice(i, 1);
+      if (!~ops.indexOf('$set')) ops.push('$set');
+    } else if ('$set' === op) {
+      if (!ret.$set) {
+        ret[op] = update[op];
+      }
+    } else {
+      ret[op] = update[op];
+    }
+  }
+
+  return ret;
+};
+
+/**
+ * Makes sure _path is set.
+ *
+ * This method is inherited by `mquery`
+ *
+ * @method _ensurePath
+ * @param {String} method
+ * @api private
+ * @memberOf Query
+ */
+
+/**
+ * Determines if `conds` can be merged using `mquery().merge()`
+ *
+ * @method canMerge
+ * @memberOf Query
+ * @instance
+ * @param {Object} conds
+ * @return {Boolean}
+ * @api private
+ */
+
+/**
+ * Returns default options for this query.
+ *
+ * @param {Model} model
+ * @api private
+ */
+
+Query.prototype._optionsForExec = function(model) {
+  const options = utils.clone(this.options);
+  delete options.populate;
+  model = model || this.model;
+
+  if (!model) {
+    return options;
+  }
+
+  // Apply schema-level `writeConcern` option
+  applyWriteConcern(model.schema, options);
+
+  const readPreference = model &&
+  model.schema &&
+  model.schema.options &&
+  model.schema.options.read;
+  if (!('readPreference' in options) && readPreference) {
+    options.readPreference = readPreference;
+  }
+
+  if (options.upsert !== void 0) {
+    options.upsert = !!options.upsert;
+  }
+  if (options.writeConcern) {
+    if (options.j) {
+      options.writeConcern.j = options.j;
+      delete options.j;
+    }
+    if (options.w) {
+      options.writeConcern.w = options.w;
+      delete options.w;
+    }
+    if (options.wtimeout) {
+      options.writeConcern.wtimeout = options.wtimeout;
+      delete options.wtimeout;
+    }
+  }
+  return options;
+};
+
+/**
+ * Sets the lean option.
+ *
+ * Documents returned from queries with the `lean` option enabled are plain
+ * javascript objects, not [Mongoose Documents](/api/document.html). They have no
+ * `save` method, getters/setters, virtuals, or other Mongoose features.
+ *
+ * #### Example:
+ *
+ *     new Query().lean() // true
+ *     new Query().lean(true)
+ *     new Query().lean(false)
+ *
+ *     const docs = await Model.find().lean();
+ *     docs[0] instanceof mongoose.Document; // false
+ *
+ * [Lean is great for high-performance, read-only cases](/docs/tutorials/lean.html),
+ * especially when combined
+ * with [cursors](/docs/queries.html#streaming).
+ *
+ * If you need virtuals, getters/setters, or defaults with `lean()`, you need
+ * to use a plugin. See:
+ *
+ * - [mongoose-lean-virtuals](https://plugins.mongoosejs.io/plugins/lean-virtuals)
+ * - [mongoose-lean-getters](https://plugins.mongoosejs.io/plugins/lean-getters)
+ * - [mongoose-lean-defaults](https://www.npmjs.com/package/mongoose-lean-defaults)
+ *
+ * @param {Boolean|Object} bool defaults to true
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.lean = function(v) {
+  this._mongooseOptions.lean = arguments.length ? v : true;
+  return this;
+};
+
+/**
+ * Adds a `$set` to this query's update without changing the operation.
+ * This is useful for query middleware so you can add an update regardless
+ * of whether you use `updateOne()`, `updateMany()`, `findOneAndUpdate()`, etc.
+ *
+ * #### Example:
+ *
+ *     // Updates `{ $set: { updatedAt: new Date() } }`
+ *     new Query().updateOne({}, {}).set('updatedAt', new Date());
+ *     new Query().updateMany({}, {}).set({ updatedAt: new Date() });
+ *
+ * @param {String|Object} path path or object of key/value pairs to set
+ * @param {Any} [val] the value to set
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.set = function(path, val) {
+  if (typeof path === 'object') {
+    const keys = Object.keys(path);
+    for (const key of keys) {
+      this.set(key, path[key]);
+    }
+    return this;
+  }
+
+  this._update = this._update || {};
+  if (path in this._update) {
+    delete this._update[path];
+  }
+  this._update.$set = this._update.$set || {};
+  this._update.$set[path] = val;
+  return this;
+};
+
+/**
+ * For update operations, returns the value of a path in the update's `$set`.
+ * Useful for writing getters/setters that can work with both update operations
+ * and `save()`.
+ *
+ * #### Example:
+ *
+ *     const query = Model.updateOne({}, { $set: { name: 'Jean-Luc Picard' } });
+ *     query.get('name'); // 'Jean-Luc Picard'
+ *
+ * @param {String|Object} path path or object of key/value pairs to get
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.get = function get(path) {
+  const update = this._update;
+  if (update == null) {
+    return void 0;
+  }
+  const $set = update.$set;
+  if ($set == null) {
+    return update[path];
+  }
+
+  if (utils.hasUserDefinedProperty(update, path)) {
+    return update[path];
+  }
+  if (utils.hasUserDefinedProperty($set, path)) {
+    return $set[path];
+  }
+
+  return void 0;
+};
+
+/**
+ * Gets/sets the error flag on this query. If this flag is not null or
+ * undefined, the `exec()` promise will reject without executing.
+ *
+ * #### Example:
+ *
+ *     Query().error(); // Get current error value
+ *     Query().error(null); // Unset the current error
+ *     Query().error(new Error('test')); // `exec()` will resolve with test
+ *     Schema.pre('find', function() {
+ *       if (!this.getQuery().userId) {
+ *         this.error(new Error('Not allowed to query without setting userId'));
+ *       }
+ *     });
+ *
+ * Note that query casting runs **after** hooks, so cast errors will override
+ * custom errors.
+ *
+ * #### Example:
+ *
+ *     const TestSchema = new Schema({ num: Number });
+ *     const TestModel = db.model('Test', TestSchema);
+ *     TestModel.find({ num: 'not a number' }).error(new Error('woops')).exec(function(error) {
+ *       // `error` will be a cast error because `num` failed to cast
+ *     });
+ *
+ * @param {Error|null} err if set, `exec()` will fail fast before sending the query to MongoDB
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.error = function error(err) {
+  if (arguments.length === 0) {
+    return this._error;
+  }
+
+  this._error = err;
+  return this;
+};
+
+/**
+ * ignore
+ * @method _unsetCastError
+ * @instance
+ * @memberOf Query
+ * @api private
+ */
+
+Query.prototype._unsetCastError = function _unsetCastError() {
+  if (this._error != null && !(this._error instanceof CastError)) {
+    return;
+  }
+  return this.error(null);
+};
+
+/**
+ * Getter/setter around the current mongoose-specific options for this query
+ * Below are the current Mongoose-specific options.
+ *
+ * - `populate`: an array representing what paths will be populated. Should have one entry for each call to [`Query.prototype.populate()`](/docs/api.html#query_Query-populate)
+ * - `lean`: if truthy, Mongoose will not [hydrate](/docs/api.html#model_Model-hydrate) any documents that are returned from this query. See [`Query.prototype.lean()`](/docs/api.html#query_Query-lean) for more information.
+ * - `strict`: controls how Mongoose handles keys that aren't in the schema for updates. This option is `true` by default, which means Mongoose will silently strip any paths in the update that aren't in the schema. See the [`strict` mode docs](/docs/guide.html#strict) for more information.
+ * - `strictQuery`: controls how Mongoose handles keys that aren't in the schema for the query `filter`. This option is `false` by default for backwards compatibility, which means Mongoose will allow `Model.find({ foo: 'bar' })` even if `foo` is not in the schema. See the [`strictQuery` docs](/docs/guide.html#strictQuery) for more information.
+ * - `nearSphere`: use `$nearSphere` instead of `near()`. See the [`Query.prototype.nearSphere()` docs](/docs/api.html#query_Query-nearSphere)
+ *
+ * Mongoose maintains a separate object for internal options because
+ * Mongoose sends `Query.prototype.options` to the MongoDB server, and the
+ * above options are not relevant for the MongoDB server.
+ *
+ * @param {Object} options if specified, overwrites the current options
+ * @return {Object} the options
+ * @api public
+ */
+
+Query.prototype.mongooseOptions = function(v) {
+  if (arguments.length > 0) {
+    this._mongooseOptions = v;
+  }
+  return this._mongooseOptions;
+};
+
+/**
+ * ignore
+ * @method _castConditions
+ * @memberOf Query
+ * @api private
+ * @instance
+ */
+
+Query.prototype._castConditions = function() {
+  let sanitizeFilterOpt = undefined;
+  if (this.model != null && utils.hasUserDefinedProperty(this.model.db.options, 'sanitizeFilter')) {
+    sanitizeFilterOpt = this.model.db.options.sanitizeFilter;
+  } else if (this.model != null && utils.hasUserDefinedProperty(this.model.base.options, 'sanitizeFilter')) {
+    sanitizeFilterOpt = this.model.base.options.sanitizeFilter;
+  } else {
+    sanitizeFilterOpt = this._mongooseOptions.sanitizeFilter;
+  }
+
+  if (sanitizeFilterOpt) {
+    sanitizeFilter(this._conditions);
+  }
+
+  try {
+    this.cast(this.model);
+    this._unsetCastError();
+  } catch (err) {
+    this.error(err);
+  }
+};
+
+/*!
+ * ignore
+ */
+
+function _castArrayFilters(query) {
+  try {
+    castArrayFilters(query);
+  } catch (err) {
+    query.error(err);
+  }
+}
+
+/**
+ * Thunk around find()
+ *
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @api private
+ */
+Query.prototype._find = wrapThunk(function(callback) {
+  this._castConditions();
+
+  if (this.error() != null) {
+    callback(this.error());
+    return null;
+  }
+
+  callback = _wrapThunkCallback(this, callback);
+
+  this._applyPaths();
+  this._fields = this._castFields(this._fields);
+
+  const fields = this._fieldsForExec();
+  const mongooseOptions = this._mongooseOptions;
+  const _this = this;
+  const userProvidedFields = _this._userProvidedFields || {};
+
+  applyGlobalMaxTimeMS(this.options, this.model);
+  applyGlobalDiskUse(this.options, this.model);
+
+  // Separate options to pass down to `completeMany()` in case we need to
+  // set a session on the document
+  const completeManyOptions = Object.assign({}, {
+    session: this && this.options && this.options.session || null,
+    lean: mongooseOptions.lean || null
+  });
+
+  const cb = (err, docs) => {
+    if (err) {
+      return callback(err);
+    }
+
+    if (docs.length === 0) {
+      return callback(null, docs);
+    }
+    if (this.options.explain) {
+      return callback(null, docs);
+    }
+    if (!mongooseOptions.populate) {
+      const versionKey = _this.schema.options.versionKey;
+      if (mongooseOptions.lean && mongooseOptions.lean.versionKey === false && versionKey) {
+        docs.forEach((doc) => {
+          if (versionKey in doc) {
+            delete doc[versionKey];
+          }
+        });
+      }
+      return mongooseOptions.lean ?
+      // call _completeManyLean here?
+        _completeManyLean(_this.model.schema, docs, null, completeManyOptions, callback) :
+        // callback(null, docs) :
+        completeMany(_this.model, docs, fields, userProvidedFields, completeManyOptions, callback);
+    }
+
+    const pop = helpers.preparePopulationOptionsMQ(_this, mongooseOptions);
+
+    if (mongooseOptions.lean) {
+      return _this.model.populate(docs, pop, callback);
+    }
+
+    completeMany(_this.model, docs, fields, userProvidedFields, completeManyOptions, (err, docs) => {
+      if (err != null) {
+        return callback(err);
+      }
+      _this.model.populate(docs, pop, callback);
+    });
+  };
+
+  const options = this._optionsForExec();
+  options.projection = this._fieldsForExec();
+  const filter = this._conditions;
+
+  this._collection.collection.find(filter, options, (err, cursor) => {
+    if (err != null) {
+      return cb(err);
+    }
+
+    if (options.explain) {
+      return cursor.explain(cb);
+    }
+    try {
+      return cursor.toArray(cb);
+    } catch (err) {
+      return cb(err);
+    }
+  });
+});
+
+/**
+ * Find all documents that match `selector`. The result will be an array of documents.
+ *
+ * If there are too many documents in the result to fit in memory, use
+ * [`Query.prototype.cursor()`](api.html#query_Query-cursor)
+ *
+ * #### Example:
+ *
+ *     // Using async/await
+ *     const arr = await Movie.find({ year: { $gte: 1980, $lte: 1989 } });
+ *
+ *     // Using callbacks
+ *     Movie.find({ year: { $gte: 1980, $lte: 1989 } }, function(err, arr) {});
+ *
+ * @param {Object|ObjectId} [filter] mongodb selector. If not specified, returns all documents.
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.find = function(conditions, callback) {
+  this.op = 'find';
+
+  if (typeof conditions === 'function') {
+    callback = conditions;
+    conditions = {};
+  }
+
+  conditions = utils.toObject(conditions);
+
+  if (mquery.canMerge(conditions)) {
+    this.merge(conditions);
+
+    prepareDiscriminatorCriteria(this);
+  } else if (conditions != null) {
+    this.error(new ObjectParameterError(conditions, 'filter', 'find'));
+  }
+
+  // if we don't have a callback, then just return the query object
+  if (!callback) {
+    return Query.base.find.call(this);
+  }
+
+  this.exec(callback);
+
+  return this;
+};
+
+/**
+ * Merges another Query or conditions object into this one.
+ *
+ * When a Query is passed, conditions, field selection and options are merged.
+ *
+ * @param {Query|Object} source
+ * @return {Query} this
+ */
+
+Query.prototype.merge = function(source) {
+  if (!source) {
+    return this;
+  }
+
+  const opts = { overwrite: true };
+
+  if (source instanceof Query) {
+    // if source has a feature, apply it to ourselves
+
+    if (source._conditions) {
+      utils.merge(this._conditions, source._conditions, opts);
+    }
+
+    if (source._fields) {
+      this._fields || (this._fields = {});
+      utils.merge(this._fields, source._fields, opts);
+    }
+
+    if (source.options) {
+      this.options || (this.options = {});
+      utils.merge(this.options, source.options, opts);
+    }
+
+    if (source._update) {
+      this._update || (this._update = {});
+      utils.mergeClone(this._update, source._update);
+    }
+
+    if (source._distinct) {
+      this._distinct = source._distinct;
+    }
+
+    utils.merge(this._mongooseOptions, source._mongooseOptions);
+
+    return this;
+  }
+
+  // plain object
+  utils.merge(this._conditions, source, opts);
+
+  return this;
+};
+
+/**
+ * Adds a collation to this op (MongoDB 3.4 and up)
+ *
+ * @param {Object} value
+ * @return {Query} this
+ * @see MongoDB docs https://docs.mongodb.com/manual/reference/method/cursor.collation/#cursor.collation
+ * @api public
+ */
+
+Query.prototype.collation = function(value) {
+  if (this.options == null) {
+    this.options = {};
+  }
+  this.options.collation = value;
+  return this;
+};
+
+/**
+ * Hydrate a single doc from `findOne()`, `findOneAndUpdate()`, etc.
+ *
+ * @api private
+ */
+
+Query.prototype._completeOne = function(doc, res, callback) {
+  if (!doc && !this.options.rawResult) {
+    return callback(null, null);
+  }
+
+  const model = this.model;
+  const projection = utils.clone(this._fields);
+  const userProvidedFields = this._userProvidedFields || {};
+  // `populate`, `lean`
+  const mongooseOptions = this._mongooseOptions;
+  // `rawResult`
+  const options = this.options;
+  if (!options.lean && mongooseOptions.lean) {
+    options.lean = mongooseOptions.lean;
+  }
+
+  if (options.explain) {
+    return callback(null, doc);
+  }
+
+  if (!mongooseOptions.populate) {
+    const versionKey = this.schema.options.versionKey;
+    if (mongooseOptions.lean && mongooseOptions.lean.versionKey === false && versionKey) {
+      if (versionKey in doc) {
+        delete doc[versionKey];
+      }
+    }
+    return mongooseOptions.lean ?
+      _completeOneLean(model.schema, doc, null, res, options, callback) :
+      completeOne(model, doc, res, options, projection, userProvidedFields,
+        null, callback);
+  }
+
+  const pop = helpers.preparePopulationOptionsMQ(this, this._mongooseOptions);
+  if (mongooseOptions.lean) {
+    return model.populate(doc, pop, (err, doc) => {
+      if (err != null) {
+        return callback(err);
+      }
+      _completeOneLean(model.schema, doc, null, res, options, callback);
+    });
+  }
+
+  completeOne(model, doc, res, options, projection, userProvidedFields, [], (err, doc) => {
+    if (err != null) {
+      return callback(err);
+    }
+    model.populate(doc, pop, callback);
+  });
+};
+
+/**
+ * Thunk around findOne()
+ *
+ * @param {Function} [callback]
+ * @see findOne https://docs.mongodb.org/manual/reference/method/db.collection.findOne/
+ * @api private
+ */
+
+Query.prototype._findOne = wrapThunk(function(callback) {
+  this._castConditions();
+
+  if (this.error()) {
+    callback(this.error());
+    return null;
+  }
+
+  this._applyPaths();
+  this._fields = this._castFields(this._fields);
+  applyGlobalMaxTimeMS(this.options, this.model);
+  applyGlobalDiskUse(this.options, this.model);
+
+  // don't pass in the conditions because we already merged them in
+  Query.base.findOne.call(this, {}, (err, doc) => {
+    if (err) {
+      callback(err);
+      return null;
+    }
+
+    this._completeOne(doc, null, _wrapThunkCallback(this, callback));
+  });
+});
+
+/**
+ * Declares the query a findOne operation. When executed, the first found document is passed to the callback.
+ *
+ * Passing a `callback` executes the query. The result of the query is a single document.
+ *
+ * * *Note:* `conditions` is optional, and if `conditions` is null or undefined,
+ * mongoose will send an empty `findOne` command to MongoDB, which will return
+ * an arbitrary document. If you're querying by `_id`, use `Model.findById()`
+ * instead.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `findOne()`
+ *
+ * #### Example:
+ *
+ *     const query  = Kitten.where({ color: 'white' });
+ *     query.findOne(function (err, kitten) {
+ *       if (err) return handleError(err);
+ *       if (kitten) {
+ *         // doc may be null if no document matched
+ *       }
+ *     });
+ *
+ * @param {Object} [filter] mongodb selector
+ * @param {Object} [projection] optional fields to return
+ * @param {Object} [options] see [`setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Function} [callback] optional params are (error, document)
+ * @return {Query} this
+ * @see findOne https://docs.mongodb.org/manual/reference/method/db.collection.findOne/
+ * @see Query.select #query_Query-select
+ * @api public
+ */
+
+Query.prototype.findOne = function(conditions, projection, options, callback) {
+  this.op = 'findOne';
+  this._validateOp();
+
+  if (typeof conditions === 'function') {
+    callback = conditions;
+    conditions = null;
+    projection = null;
+    options = null;
+  } else if (typeof projection === 'function') {
+    callback = projection;
+    options = null;
+    projection = null;
+  } else if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+
+  // make sure we don't send in the whole Document to merge()
+  conditions = utils.toObject(conditions);
+
+  if (options) {
+    this.setOptions(options);
+  }
+
+  if (projection) {
+    this.select(projection);
+  }
+
+  if (mquery.canMerge(conditions)) {
+    this.merge(conditions);
+
+    prepareDiscriminatorCriteria(this);
+  } else if (conditions != null) {
+    this.error(new ObjectParameterError(conditions, 'filter', 'findOne'));
+  }
+
+  if (!callback) {
+    // already merged in the conditions, don't need to send them in.
+    return Query.base.findOne.call(this);
+  }
+
+  this.exec(callback);
+  return this;
+};
+
+/**
+ * Thunk around count()
+ *
+ * @param {Function} [callback]
+ * @see count https://docs.mongodb.org/manual/reference/method/db.collection.count/
+ * @api private
+ */
+
+Query.prototype._count = wrapThunk(function(callback) {
+  try {
+    this.cast(this.model);
+  } catch (err) {
+    this.error(err);
+  }
+
+  if (this.error()) {
+    return callback(this.error());
+  }
+
+  applyGlobalMaxTimeMS(this.options, this.model);
+  applyGlobalDiskUse(this.options, this.model);
+
+  const conds = this._conditions;
+  const options = this._optionsForExec();
+
+  this._collection.count(conds, options, utils.tick(callback));
+});
+
+/**
+ * Thunk around countDocuments()
+ *
+ * @param {Function} [callback]
+ * @see countDocuments https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#countDocuments
+ * @api private
+ */
+
+Query.prototype._countDocuments = wrapThunk(function(callback) {
+  try {
+    this.cast(this.model);
+  } catch (err) {
+    this.error(err);
+  }
+
+  if (this.error()) {
+    return callback(this.error());
+  }
+
+  applyGlobalMaxTimeMS(this.options, this.model);
+  applyGlobalDiskUse(this.options, this.model);
+
+  const conds = this._conditions;
+  const options = this._optionsForExec();
+
+  this._collection.collection.countDocuments(conds, options, utils.tick(callback));
+});
+
+/**
+ * Thunk around estimatedDocumentCount()
+ *
+ * @param {Function} [callback]
+ * @see estimatedDocumentCount https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#estimatedDocumentCount
+ * @api private
+ */
+
+Query.prototype._estimatedDocumentCount = wrapThunk(function(callback) {
+  if (this.error()) {
+    return callback(this.error());
+  }
+
+  const options = this._optionsForExec();
+
+  this._collection.collection.estimatedDocumentCount(options, utils.tick(callback));
+});
+
+/**
+ * Specifies this query as a `count` query.
+ *
+ * This method is deprecated. If you want to count the number of documents in
+ * a collection, e.g. `count({})`, use the [`estimatedDocumentCount()` function](/docs/api.html#query_Query-estimatedDocumentCount)
+ * instead. Otherwise, use the [`countDocuments()`](/docs/api.html#query_Query-countDocuments) function instead.
+ *
+ * Passing a `callback` executes the query.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `count()`
+ *
+ * #### Example:
+ *
+ *     const countQuery = model.where({ 'color': 'black' }).count();
+ *
+ *     query.count({ color: 'black' }).count(callback)
+ *
+ *     query.count({ color: 'black' }, callback)
+ *
+ *     query.where('color', 'black').count(function (err, count) {
+ *       if (err) return handleError(err);
+ *       console.log('there are %d kittens', count);
+ *     })
+ *
+ * @deprecated
+ * @param {Object} [filter] count documents that match this object
+ * @param {Function} [callback] optional params are (error, count)
+ * @return {Query} this
+ * @see count https://docs.mongodb.org/manual/reference/method/db.collection.count/
+ * @api public
+ */
+
+Query.prototype.count = function(filter, callback) {
+  this.op = 'count';
+  this._validateOp();
+  if (typeof filter === 'function') {
+    callback = filter;
+    filter = undefined;
+  }
+
+  filter = utils.toObject(filter);
+
+  if (mquery.canMerge(filter)) {
+    this.merge(filter);
+  }
+
+  if (!callback) {
+    return this;
+  }
+
+  this.exec(callback);
+
+  return this;
+};
+
+/**
+ * Specifies this query as a `estimatedDocumentCount()` query. Faster than
+ * using `countDocuments()` for large collections because
+ * `estimatedDocumentCount()` uses collection metadata rather than scanning
+ * the entire collection.
+ *
+ * `estimatedDocumentCount()` does **not** accept a filter. `Model.find({ foo: bar }).estimatedDocumentCount()`
+ * is equivalent to `Model.find().estimatedDocumentCount()`
+ *
+ * This function triggers the following middleware.
+ *
+ * - `estimatedDocumentCount()`
+ *
+ * #### Example:
+ *
+ *     await Model.find().estimatedDocumentCount();
+ *
+ * @param {Object} [options] passed transparently to the [MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/EstimatedDocumentCountOptions.html)
+ * @param {Function} [callback] optional params are (error, count)
+ * @return {Query} this
+ * @see estimatedDocumentCount https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#estimatedDocumentCount
+ * @api public
+ */
+
+Query.prototype.estimatedDocumentCount = function(options, callback) {
+  this.op = 'estimatedDocumentCount';
+  this._validateOp();
+  if (typeof options === 'function') {
+    callback = options;
+    options = undefined;
+  }
+
+  if (typeof options === 'object' && options != null) {
+    this.setOptions(options);
+  }
+
+  if (!callback) {
+    return this;
+  }
+
+  this.exec(callback);
+
+  return this;
+};
+
+/**
+ * Specifies this query as a `countDocuments()` query. Behaves like `count()`,
+ * except it always does a full collection scan when passed an empty filter `{}`.
+ *
+ * There are also minor differences in how `countDocuments()` handles
+ * [`$where` and a couple geospatial operators](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#countDocuments).
+ * versus `count()`.
+ *
+ * Passing a `callback` executes the query.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `countDocuments()`
+ *
+ * #### Example:
+ *
+ *     const countQuery = model.where({ 'color': 'black' }).countDocuments();
+ *
+ *     query.countDocuments({ color: 'black' }).count(callback);
+ *
+ *     query.countDocuments({ color: 'black' }, callback);
+ *
+ *     query.where('color', 'black').countDocuments(function(err, count) {
+ *       if (err) return handleError(err);
+ *       console.log('there are %d kittens', count);
+ *     });
+ *
+ * The `countDocuments()` function is similar to `count()`, but there are a
+ * [few operators that `countDocuments()` does not support](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#countDocuments).
+ * Below are the operators that `count()` supports but `countDocuments()` does not,
+ * and the suggested replacement:
+ *
+ * - `$where`: [`$expr`](https://docs.mongodb.com/manual/reference/operator/query/expr/)
+ * - `$near`: [`$geoWithin`](https://docs.mongodb.com/manual/reference/operator/query/geoWithin/) with [`$center`](https://docs.mongodb.com/manual/reference/operator/query/center/#op._S_center)
+ * - `$nearSphere`: [`$geoWithin`](https://docs.mongodb.com/manual/reference/operator/query/geoWithin/) with [`$centerSphere`](https://docs.mongodb.com/manual/reference/operator/query/centerSphere/#op._S_centerSphere)
+ *
+ * @param {Object} [filter] mongodb selector
+ * @param {Object} [options]
+ * @param {Function} [callback] optional params are (error, count)
+ * @return {Query} this
+ * @see countDocuments https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#countDocuments
+ * @api public
+ */
+
+Query.prototype.countDocuments = function(conditions, options, callback) {
+  this.op = 'countDocuments';
+  this._validateOp();
+  if (typeof conditions === 'function') {
+    callback = conditions;
+    conditions = undefined;
+    options = undefined;
+  }
+  if (typeof options === 'function') {
+    callback = options;
+    options = undefined;
+  }
+
+  conditions = utils.toObject(conditions);
+
+  if (mquery.canMerge(conditions)) {
+    this.merge(conditions);
+  }
+
+  if (typeof options === 'object' && options != null) {
+    this.setOptions(options);
+  }
+
+  if (!callback) {
+    return this;
+  }
+
+  this.exec(callback);
+
+  return this;
+};
+
+/**
+ * Thunk around distinct()
+ *
+ * @param {Function} [callback]
+ * @see distinct https://docs.mongodb.org/manual/reference/method/db.collection.distinct/
+ * @api private
+ */
+
+Query.prototype.__distinct = wrapThunk(function __distinct(callback) {
+  this._castConditions();
+
+  if (this.error()) {
+    callback(this.error());
+    return null;
+  }
+
+  applyGlobalMaxTimeMS(this.options, this.model);
+  applyGlobalDiskUse(this.options, this.model);
+
+  const options = this._optionsForExec();
+
+  // don't pass in the conditions because we already merged them in
+  this._collection.collection.
+    distinct(this._distinct, this._conditions, options, callback);
+});
+
+/**
+ * Declares or executes a distinct() operation.
+ *
+ * Passing a `callback` executes the query.
+ *
+ * This function does not trigger any middleware.
+ *
+ * #### Example:
+ *
+ *     distinct(field, conditions, callback)
+ *     distinct(field, conditions)
+ *     distinct(field, callback)
+ *     distinct(field)
+ *     distinct(callback)
+ *     distinct()
+ *
+ * @param {String} [field]
+ * @param {Object|Query} [filter]
+ * @param {Function} [callback] optional params are (error, arr)
+ * @return {Query} this
+ * @see distinct https://docs.mongodb.org/manual/reference/method/db.collection.distinct/
+ * @api public
+ */
+
+Query.prototype.distinct = function(field, conditions, callback) {
+  this.op = 'distinct';
+  this._validateOp();
+  if (!callback) {
+    if (typeof conditions === 'function') {
+      callback = conditions;
+      conditions = undefined;
+    } else if (typeof field === 'function') {
+      callback = field;
+      field = undefined;
+      conditions = undefined;
+    }
+  }
+
+  conditions = utils.toObject(conditions);
+
+  if (mquery.canMerge(conditions)) {
+    this.merge(conditions);
+
+    prepareDiscriminatorCriteria(this);
+  } else if (conditions != null) {
+    this.error(new ObjectParameterError(conditions, 'filter', 'distinct'));
+  }
+
+  if (field != null) {
+    this._distinct = field;
+  }
+
+  if (callback != null) {
+    this.exec(callback);
+  }
+
+  return this;
+};
+
+/**
+ * Sets the sort order
+ *
+ * If an object is passed, values allowed are `asc`, `desc`, `ascending`, `descending`, `1`, and `-1`.
+ *
+ * If a string is passed, it must be a space delimited list of path names. The
+ * sort order of each path is ascending unless the path name is prefixed with `-`
+ * which will be treated as descending.
+ *
+ * #### Example:
+ *
+ *     // sort by "field" ascending and "test" descending
+ *     query.sort({ field: 'asc', test: -1 });
+ *
+ *     // equivalent
+ *     query.sort('field -test');
+ *
+ * #### Note:
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @param {Object|String} arg
+ * @return {Query} this
+ * @see cursor.sort https://docs.mongodb.org/manual/reference/method/cursor.sort/
+ * @api public
+ */
+
+Query.prototype.sort = function(arg) {
+  if (arguments.length > 1) {
+    throw new Error('sort() only takes 1 Argument');
+  }
+
+  return Query.base.sort.call(this, arg);
+};
+
+/**
+ * Declare and/or execute this query as a remove() operation. `remove()` is
+ * deprecated, you should use [`deleteOne()`](#query_Query-deleteOne)
+ * or [`deleteMany()`](#query_Query-deleteMany) instead.
+ *
+ * This function does not trigger any middleware
+ *
+ * #### Example:
+ *
+ *     Character.remove({ name: /Stark/ }, callback);
+ *
+ * This function calls the MongoDB driver's [`Collection#remove()` function](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#remove).
+ * The returned [promise](https://mongoosejs.com/docs/queries.html) resolves to an
+ * object that contains 3 properties:
+ *
+ * - `ok`: `1` if no errors occurred
+ * - `deletedCount`: the number of documents deleted
+ * - `n`: the number of documents deleted. Equal to `deletedCount`.
+ *
+ * #### Example:
+ *
+ *     const res = await Character.remove({ name: /Stark/ });
+ *     // Number of docs deleted
+ *     res.deletedCount;
+ *
+ * #### Note:
+ *
+ * Calling `remove()` creates a [Mongoose query](./queries.html), and a query
+ * does not execute until you either pass a callback, call [`Query#then()`](#query_Query-then),
+ * or call [`Query#exec()`](#query_Query-exec).
+ *
+ *     // not executed
+ *     const query = Character.remove({ name: /Stark/ });
+ *
+ *     // executed
+ *     Character.remove({ name: /Stark/ }, callback);
+ *     Character.remove({ name: /Stark/ }).remove(callback);
+ *
+ *     // executed without a callback
+ *     Character.exec();
+ *
+ * @param {Object|Query} [filter] mongodb selector
+ * @param {Function} [callback] optional params are (error, mongooseDeleteResult)
+ * @return {Query} this
+ * @deprecated
+ * @see DeleteResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/DeleteResult.html
+ * @see remove https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#remove
+ * @api public
+ */
+
+Query.prototype.remove = function(filter, callback) {
+  this.op = 'remove';
+  if (typeof filter === 'function') {
+    callback = filter;
+    filter = null;
+  }
+
+  filter = utils.toObject(filter);
+
+  if (mquery.canMerge(filter)) {
+    this.merge(filter);
+
+    prepareDiscriminatorCriteria(this);
+  } else if (filter != null) {
+    this.error(new ObjectParameterError(filter, 'filter', 'remove'));
+  }
+
+  if (!callback) {
+    return Query.base.remove.call(this);
+  }
+
+  this.exec(callback);
+  return this;
+};
+
+/**
+ * ignore
+ * @param {Function} callback
+ * @method _remove
+ * @memberOf Query
+ * @instance
+ * @api private
+ */
+
+Query.prototype._remove = wrapThunk(function(callback) {
+  this._castConditions();
+
+  if (this.error() != null) {
+    callback(this.error());
+    return this;
+  }
+
+  callback = _wrapThunkCallback(this, callback);
+
+  return Query.base.remove.call(this, callback);
+});
+
+/**
+ * Declare and/or execute this query as a `deleteOne()` operation. Works like
+ * remove, except it deletes at most one document regardless of the `single`
+ * option.
+ *
+ * This function triggers `deleteOne` middleware.
+ *
+ * #### Example:
+ *
+ *     await Character.deleteOne({ name: 'Eddard Stark' });
+ *
+ *     // Using callbacks:
+ *     Character.deleteOne({ name: 'Eddard Stark' }, callback);
+ *
+ * This function calls the MongoDB driver's [`Collection#deleteOne()` function](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#deleteOne).
+ * The returned [promise](https://mongoosejs.com/docs/queries.html) resolves to an
+ * object that contains 3 properties:
+ *
+ * - `ok`: `1` if no errors occurred
+ * - `deletedCount`: the number of documents deleted
+ * - `n`: the number of documents deleted. Equal to `deletedCount`.
+ *
+ * #### Example:
+ *
+ *     const res = await Character.deleteOne({ name: 'Eddard Stark' });
+ *     // `1` if MongoDB deleted a doc, `0` if no docs matched the filter `{ name: ... }`
+ *     res.deletedCount;
+ *
+ * @param {Object|Query} [filter] mongodb selector
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Function} [callback] optional params are (error, mongooseDeleteResult)
+ * @return {Query} this
+ * @see DeleteResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/DeleteResult.html
+ * @see deleteOne https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#deleteOne
+ * @api public
+ */
+
+Query.prototype.deleteOne = function(filter, options, callback) {
+  this.op = 'deleteOne';
+  if (typeof filter === 'function') {
+    callback = filter;
+    filter = null;
+    options = null;
+  } else if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  } else {
+    this.setOptions(options);
+  }
+
+  filter = utils.toObject(filter);
+
+  if (mquery.canMerge(filter)) {
+    this.merge(filter);
+
+    prepareDiscriminatorCriteria(this);
+  } else if (filter != null) {
+    this.error(new ObjectParameterError(filter, 'filter', 'deleteOne'));
+  }
+
+  if (!callback) {
+    return Query.base.deleteOne.call(this);
+  }
+
+  this.exec.call(this, callback);
+
+  return this;
+};
+
+/**
+ * Internal thunk for `deleteOne()`
+ * @param {Function} callback
+ * @method _deleteOne
+ * @instance
+ * @memberOf Query
+ * @api private
+ */
+
+Query.prototype._deleteOne = wrapThunk(function(callback) {
+  this._castConditions();
+
+  if (this.error() != null) {
+    callback(this.error());
+    return this;
+  }
+
+  callback = _wrapThunkCallback(this, callback);
+
+  return Query.base.deleteOne.call(this, callback);
+});
+
+/**
+ * Declare and/or execute this query as a `deleteMany()` operation. Works like
+ * remove, except it deletes _every_ document that matches `filter` in the
+ * collection, regardless of the value of `single`.
+ *
+ * This function triggers `deleteMany` middleware.
+ *
+ * #### Example:
+ *
+ *     await Character.deleteMany({ name: /Stark/, age: { $gte: 18 } });
+ *
+ *     // Using callbacks:
+ *     Character.deleteMany({ name: /Stark/, age: { $gte: 18 } }, callback);
+ *
+ * This function calls the MongoDB driver's [`Collection#deleteMany()` function](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#deleteMany).
+ * The returned [promise](https://mongoosejs.com/docs/queries.html) resolves to an
+ * object that contains 3 properties:
+ *
+ * - `ok`: `1` if no errors occurred
+ * - `deletedCount`: the number of documents deleted
+ * - `n`: the number of documents deleted. Equal to `deletedCount`.
+ *
+ * #### Example:
+ *
+ *     const res = await Character.deleteMany({ name: /Stark/, age: { $gte: 18 } });
+ *     // `0` if no docs matched the filter, number of docs deleted otherwise
+ *     res.deletedCount;
+ *
+ * @param {Object|Query} [filter] mongodb selector
+ * @param {Object} [options] optional see [`Query.prototype.setOptions()`](https://mongoosejs.com/docs/api.html#query_Query-setOptions)
+ * @param {Function} [callback] optional params are (error, mongooseDeleteResult)
+ * @return {Query} this
+ * @see DeleteResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/DeleteResult.html
+ * @see deleteMany https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#deleteMany
+ * @api public
+ */
+
+Query.prototype.deleteMany = function(filter, options, callback) {
+  this.op = 'deleteMany';
+  if (typeof filter === 'function') {
+    callback = filter;
+    filter = null;
+    options = null;
+  } else if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  } else {
+    this.setOptions(options);
+  }
+
+  filter = utils.toObject(filter);
+
+  if (mquery.canMerge(filter)) {
+    this.merge(filter);
+
+    prepareDiscriminatorCriteria(this);
+  } else if (filter != null) {
+    this.error(new ObjectParameterError(filter, 'filter', 'deleteMany'));
+  }
+
+  if (!callback) {
+    return Query.base.deleteMany.call(this);
+  }
+
+  this.exec.call(this, callback);
+
+  return this;
+};
+
+/**
+ * Internal thunk around `deleteMany()`
+ * @param {Function} callback
+ * @method _deleteMany
+ * @instance
+ * @memberOf Query
+ * @api private
+ */
+
+Query.prototype._deleteMany = wrapThunk(function(callback) {
+  this._castConditions();
+
+  if (this.error() != null) {
+    callback(this.error());
+    return this;
+  }
+
+  callback = _wrapThunkCallback(this, callback);
+
+  return Query.base.deleteMany.call(this, callback);
+});
+
+/**
+ * hydrates a document
+ *
+ * @param {Model} model
+ * @param {Document} doc
+ * @param {Object} res 3rd parameter to callback
+ * @param {Object} fields
+ * @param {Query} self
+ * @param {Array} [pop] array of paths used in population
+ * @param {Function} callback
+ * @api private
+ */
+
+function completeOne(model, doc, res, options, fields, userProvidedFields, pop, callback) {
+  if (options.rawResult && doc == null) {
+    _init(null);
+    return null;
+  }
+
+  helpers.createModelAndInit(model, doc, fields, userProvidedFields, options, pop, _init);
+
+  function _init(err, casted) {
+    if (err) {
+      return immediate(() => callback(err));
+    }
+
+
+    if (options.rawResult) {
+      if (doc && casted) {
+        if (options.session != null) {
+          casted.$session(options.session);
+        }
+        res.value = casted;
+      } else {
+        res.value = null;
+      }
+      return immediate(() => callback(null, res));
+    }
+    if (options.session != null) {
+      casted.$session(options.session);
+    }
+    immediate(() => callback(null, casted));
+  }
+}
+
+/**
+ * If the model is a discriminator type and not root, then add the key & value to the criteria.
+ * @param {Query} query
+ * @api private
+ */
+
+function prepareDiscriminatorCriteria(query) {
+  if (!query || !query.model || !query.model.schema) {
+    return;
+  }
+
+  const schema = query.model.schema;
+
+  if (schema && schema.discriminatorMapping && !schema.discriminatorMapping.isRoot) {
+    query._conditions[schema.discriminatorMapping.key] = schema.discriminatorMapping.value;
+  }
+}
+
+/**
+ * Issues a mongodb [findAndModify](https://www.mongodb.org/display/DOCS/findAndModify+Command) update command.
+ *
+ * Finds a matching document, updates it according to the `update` arg, passing any `options`, and returns the found
+ * document (if any) to the callback. The query executes if
+ * `callback` is passed.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `findOneAndUpdate()`
+ *
+ * #### Available options
+ *
+ * - `new`: bool - if true, return the modified document rather than the original. defaults to false (changed in 4.0)
+ * - `upsert`: bool - creates the object if it doesn't exist. defaults to false.
+ * - `fields`: {Object|String} - Field selection. Equivalent to `.select(fields).findOneAndUpdate()`
+ * - `sort`: if multiple docs are found by the conditions, sets the sort order to choose which doc to update
+ * - `maxTimeMS`: puts a time limit on the query - requires mongodb >= 2.6.0
+ * - `runValidators`: if true, runs [update validators](/docs/validation.html#update-validators) on this command. Update validators validate the update operation against the model's schema.
+ * - `setDefaultsOnInsert`: `true` by default. If `setDefaultsOnInsert` and `upsert` are true, mongoose will apply the [defaults](https://mongoosejs.com/docs/defaults.html) specified in the model's schema if a new document is created.
+ * - `rawResult`: if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ *
+ * #### Callback Signature
+ *
+ *     function(error, doc) {
+ *       // error: any errors that occurred
+ *       // doc: the document before updates are applied if `new: false`, or after updates if `new = true`
+ *     }
+ *
+ * #### Examples:
+ *
+ *     query.findOneAndUpdate(conditions, update, options, callback) // executes
+ *     query.findOneAndUpdate(conditions, update, options)  // returns Query
+ *     query.findOneAndUpdate(conditions, update, callback) // executes
+ *     query.findOneAndUpdate(conditions, update)           // returns Query
+ *     query.findOneAndUpdate(update, callback)             // returns Query
+ *     query.findOneAndUpdate(update)                       // returns Query
+ *     query.findOneAndUpdate(callback)                     // executes
+ *     query.findOneAndUpdate()                             // returns Query
+ *
+ * @method findOneAndUpdate
+ * @memberOf Query
+ * @instance
+ * @param {Object|Query} [filter]
+ * @param {Object} [doc]
+ * @param {Object} [options]
+ * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html).
+ * @param {Boolean} [options.multipleCastError] by default, mongoose only returns the first error that occurred in casting the query. Turn on this option to aggregate all the cast errors.
+ * @param {Boolean} [options.new=false] By default, `findOneAndUpdate()` returns the document as it was **before** `update` was applied. If you set `new: true`, `findOneAndUpdate()` will instead give you the object after `update` was applied.
+ * @param {Object} [options.lean] if truthy, mongoose will return the document as a plain JavaScript object rather than a mongoose document. See [`Query.lean()`](/docs/api.html#query_Query-lean) and [the Mongoose lean tutorial](/docs/tutorials/lean.html).
+ * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html).
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Note that this allows you to overwrite timestamps. Does nothing if schema-level timestamps are not set.
+ * @param {Boolean} [options.returnOriginal=null] An alias for the `new` option. `returnOriginal: false` is equivalent to `new: true`.
+ * @param {Function} [callback] optional params are (error, doc), _unless_ `rawResult` is used, in which case params are (error, writeOpResult)
+ * @see Tutorial /docs/tutorials/findoneandupdate.html
+ * @see findAndModify command https://www.mongodb.com/docs/manual/reference/command/findAndModify/
+ * @see ModifyResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html
+ * @see findOneAndUpdate https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#findOneAndUpdate
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.findOneAndUpdate = function(criteria, doc, options, callback) {
+  this.op = 'findOneAndUpdate';
+  this._validateOp();
+  this._validate();
+
+  switch (arguments.length) {
+    case 3:
+      if (typeof options === 'function') {
+        callback = options;
+        options = {};
+      }
+      break;
+    case 2:
+      if (typeof doc === 'function') {
+        callback = doc;
+        doc = criteria;
+        criteria = undefined;
+      }
+      options = undefined;
+      break;
+    case 1:
+      if (typeof criteria === 'function') {
+        callback = criteria;
+        criteria = options = doc = undefined;
+      } else {
+        doc = criteria;
+        criteria = options = undefined;
+      }
+  }
+
+  if (mquery.canMerge(criteria)) {
+    this.merge(criteria);
+  }
+
+  // apply doc
+  if (doc) {
+    this._mergeUpdate(doc);
+  }
+
+  options = options ? utils.clone(options) : {};
+
+  if (options.projection) {
+    this.select(options.projection);
+    delete options.projection;
+  }
+  if (options.fields) {
+    this.select(options.fields);
+    delete options.fields;
+  }
+
+  const returnOriginal = this &&
+    this.model &&
+    this.model.base &&
+    this.model.base.options &&
+    this.model.base.options.returnOriginal;
+  if (options.new == null && options.returnDocument == null && options.returnOriginal == null && returnOriginal != null) {
+    options.returnOriginal = returnOriginal;
+  }
+
+  this.setOptions(options);
+
+  if (!callback) {
+    return this;
+  }
+
+  this.exec(callback);
+
+  return this;
+};
+
+/**
+ * Thunk around findOneAndUpdate()
+ *
+ * @param {Function} [callback]
+ * @method _findOneAndUpdate
+ * @memberOf Query
+ * @api private
+ */
+
+Query.prototype._findOneAndUpdate = wrapThunk(function(callback) {
+  if (this.error() != null) {
+    return callback(this.error());
+  }
+
+  this._findAndModify('update', callback);
+});
+
+/**
+ * Issues a mongodb [findAndModify](https://www.mongodb.org/display/DOCS/findAndModify+Command) remove command.
+ *
+ * Finds a matching document, removes it, passing the found document (if any) to
+ * the callback. Executes if `callback` is passed.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `findOneAndRemove()`
+ *
+ * #### Available options
+ *
+ * - `sort`: if multiple docs are found by the conditions, sets the sort order to choose which doc to update
+ * - `maxTimeMS`: puts a time limit on the query - requires mongodb >= 2.6.0
+ * - `rawResult`: if true, resolves to the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ *
+ * #### Callback Signature
+ *
+ *     function(error, doc) {
+ *       // error: any errors that occurred
+ *       // doc: the document before updates are applied if `new: false`, or after updates if `new = true`
+ *     }
+ *
+ * #### Examples:
+ *
+ *     A.where().findOneAndRemove(conditions, options, callback) // executes
+ *     A.where().findOneAndRemove(conditions, options)  // return Query
+ *     A.where().findOneAndRemove(conditions, callback) // executes
+ *     A.where().findOneAndRemove(conditions) // returns Query
+ *     A.where().findOneAndRemove(callback)   // executes
+ *     A.where().findOneAndRemove()           // returns Query
+ *
+ * @method findOneAndRemove
+ * @memberOf Query
+ * @instance
+ * @param {Object} [conditions]
+ * @param {Object} [options]
+ * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html).
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Function} [callback] optional params are (error, document)
+ * @return {Query} this
+ * @see findAndModify command https://www.mongodb.com/docs/manual/reference/command/findAndModify/
+ * @api public
+ */
+
+Query.prototype.findOneAndRemove = function(conditions, options, callback) {
+  this.op = 'findOneAndRemove';
+  this._validateOp();
+  this._validate();
+
+  switch (arguments.length) {
+    case 2:
+      if (typeof options === 'function') {
+        callback = options;
+        options = {};
+      }
+      break;
+    case 1:
+      if (typeof conditions === 'function') {
+        callback = conditions;
+        conditions = undefined;
+        options = undefined;
+      }
+      break;
+  }
+
+  if (mquery.canMerge(conditions)) {
+    this.merge(conditions);
+  }
+
+  options && this.setOptions(options);
+
+  if (!callback) {
+    return this;
+  }
+
+  this.exec(callback);
+
+  return this;
+};
+
+/**
+ * Issues a MongoDB [findOneAndDelete](https://docs.mongodb.com/manual/reference/method/db.collection.findOneAndDelete/) command.
+ *
+ * Finds a matching document, removes it, and passes the found document (if any)
+ * to the callback. Executes if `callback` is passed.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `findOneAndDelete()`
+ *
+ * This function differs slightly from `Model.findOneAndRemove()` in that
+ * `findOneAndRemove()` becomes a [MongoDB `findAndModify()` command](https://docs.mongodb.com/manual/reference/method/db.collection.findAndModify/),
+ * as opposed to a `findOneAndDelete()` command. For most mongoose use cases,
+ * this distinction is purely pedantic. You should use `findOneAndDelete()`
+ * unless you have a good reason not to.
+ *
+ * #### Available options
+ *
+ * - `sort`: if multiple docs are found by the conditions, sets the sort order to choose which doc to update
+ * - `maxTimeMS`: puts a time limit on the query - requires mongodb >= 2.6.0
+ * - `rawResult`: if true, resolves to the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ *
+ * #### Callback Signature
+ *
+ *     function(error, doc) {
+ *       // error: any errors that occurred
+ *       // doc: the document before updates are applied if `new: false`, or after updates if `new = true`
+ *     }
+ *
+ * #### Examples:
+ *
+ *     A.where().findOneAndDelete(conditions, options, callback) // executes
+ *     A.where().findOneAndDelete(conditions, options)  // return Query
+ *     A.where().findOneAndDelete(conditions, callback) // executes
+ *     A.where().findOneAndDelete(conditions) // returns Query
+ *     A.where().findOneAndDelete(callback)   // executes
+ *     A.where().findOneAndDelete()           // returns Query
+ *
+ * @method findOneAndDelete
+ * @memberOf Query
+ * @param {Object} [conditions]
+ * @param {Object} [options]
+ * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html).
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Function} [callback] optional params are (error, document)
+ * @return {Query} this
+ * @see findAndModify command https://www.mongodb.com/docs/manual/reference/command/findAndModify/
+ * @api public
+ */
+
+Query.prototype.findOneAndDelete = function(conditions, options, callback) {
+  this.op = 'findOneAndDelete';
+  this._validateOp();
+  this._validate();
+
+  switch (arguments.length) {
+    case 2:
+      if (typeof options === 'function') {
+        callback = options;
+        options = {};
+      }
+      break;
+    case 1:
+      if (typeof conditions === 'function') {
+        callback = conditions;
+        conditions = undefined;
+        options = undefined;
+      }
+      break;
+  }
+
+  if (mquery.canMerge(conditions)) {
+    this.merge(conditions);
+  }
+
+  options && this.setOptions(options);
+
+  if (!callback) {
+    return this;
+  }
+
+  this.exec(callback);
+
+  return this;
+};
+
+/**
+ * Thunk around findOneAndDelete()
+ *
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @method _findOneAndDelete
+ * @memberOf Query
+ * @api private
+ */
+Query.prototype._findOneAndDelete = wrapThunk(function(callback) {
+  this._castConditions();
+
+  if (this.error() != null) {
+    callback(this.error());
+    return null;
+  }
+
+  const filter = this._conditions;
+  const options = this._optionsForExec();
+  let fields = null;
+
+  if (this._fields != null) {
+    options.projection = this._castFields(utils.clone(this._fields));
+    fields = options.projection;
+    if (fields instanceof Error) {
+      callback(fields);
+      return null;
+    }
+  }
+
+  this._collection.collection.findOneAndDelete(filter, options, _wrapThunkCallback(this, (err, res) => {
+    if (err) {
+      return callback(err);
+    }
+
+    const doc = res.value;
+
+    return this._completeOne(doc, res, callback);
+  }));
+});
+
+/**
+ * Issues a MongoDB [findOneAndReplace](https://docs.mongodb.com/manual/reference/method/db.collection.findOneAndReplace/) command.
+ *
+ * Finds a matching document, removes it, and passes the found document (if any)
+ * to the callback. Executes if `callback` is passed.
+ *
+ * This function triggers the following middleware.
+ *
+ * - `findOneAndReplace()`
+ *
+ * #### Available options
+ *
+ * - `sort`: if multiple docs are found by the conditions, sets the sort order to choose which doc to update
+ * - `maxTimeMS`: puts a time limit on the query - requires mongodb >= 2.6.0
+ * - `rawResult`: if true, resolves to the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ *
+ * #### Callback Signature
+ *
+ *     function(error, doc) {
+ *       // error: any errors that occurred
+ *       // doc: the document before updates are applied if `new: false`, or after updates if `new = true`
+ *     }
+ *
+ * #### Examples:
+ *
+ *     A.where().findOneAndReplace(filter, replacement, options, callback); // executes
+ *     A.where().findOneAndReplace(filter, replacement, options); // return Query
+ *     A.where().findOneAndReplace(filter, replacement, callback); // executes
+ *     A.where().findOneAndReplace(filter); // returns Query
+ *     A.where().findOneAndReplace(callback); // executes
+ *     A.where().findOneAndReplace(); // returns Query
+ *
+ * @method findOneAndReplace
+ * @memberOf Query
+ * @param {Object} [filter]
+ * @param {Object} [replacement]
+ * @param {Object} [options]
+ * @param {Boolean} [options.rawResult] if true, returns the [raw result from the MongoDB driver](https://mongodb.github.io/node-mongodb-native/4.9/interfaces/ModifyResult.html)
+ * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html).
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.new=false] By default, `findOneAndUpdate()` returns the document as it was **before** `update` was applied. If you set `new: true`, `findOneAndUpdate()` will instead give you the object after `update` was applied.
+ * @param {Object} [options.lean] if truthy, mongoose will return the document as a plain JavaScript object rather than a mongoose document. See [`Query.lean()`](/docs/api.html#query_Query-lean) and [the Mongoose lean tutorial](/docs/tutorials/lean.html).
+ * @param {ClientSession} [options.session=null] The session associated with this query. See [transactions docs](/docs/transactions.html).
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Note that this allows you to overwrite timestamps. Does nothing if schema-level timestamps are not set.
+ * @param {Boolean} [options.returnOriginal=null] An alias for the `new` option. `returnOriginal: false` is equivalent to `new: true`.
+ * @param {Function} [callback] optional params are (error, document)
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.findOneAndReplace = function(filter, replacement, options, callback) {
+  this.op = 'findOneAndReplace';
+  this._validateOp();
+  this._validate();
+
+  switch (arguments.length) {
+    case 3:
+      if (typeof options === 'function') {
+        callback = options;
+        options = void 0;
+      }
+      break;
+    case 2:
+      if (typeof replacement === 'function') {
+        callback = replacement;
+        replacement = void 0;
+      }
+      break;
+    case 1:
+      if (typeof filter === 'function') {
+        callback = filter;
+        filter = void 0;
+        replacement = void 0;
+        options = void 0;
+      }
+      break;
+  }
+
+  if (mquery.canMerge(filter)) {
+    this.merge(filter);
+  }
+
+  if (replacement != null) {
+    if (hasDollarKeys(replacement)) {
+      throw new Error('The replacement document must not contain atomic operators.');
+    }
+    this._mergeUpdate(replacement);
+  }
+
+  options = options || {};
+
+  const returnOriginal = this &&
+  this.model &&
+  this.model.base &&
+  this.model.base.options &&
+  this.model.base.options.returnOriginal;
+  if (options.new == null && options.returnDocument == null && options.returnOriginal == null && returnOriginal != null) {
+    options.returnOriginal = returnOriginal;
+  }
+  this.setOptions(options);
+  this.setOptions({ overwrite: true });
+
+  if (!callback) {
+    return this;
+  }
+
+  this.exec(callback);
+
+  return this;
+};
+
+/**
+ * Thunk around findOneAndReplace()
+ *
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @method _findOneAndReplace
+ * @instance
+ * @memberOf Query
+ * @api private
+ */
+Query.prototype._findOneAndReplace = wrapThunk(function(callback) {
+  this._castConditions();
+  if (this.error() != null) {
+    callback(this.error());
+    return null;
+  }
+
+  const filter = this._conditions;
+  const options = this._optionsForExec();
+  convertNewToReturnDocument(options);
+  let fields = null;
+
+  this._applyPaths();
+  if (this._fields != null) {
+    options.projection = this._castFields(utils.clone(this._fields));
+    fields = options.projection;
+    if (fields instanceof Error) {
+      callback(fields);
+      return null;
+    }
+  }
+
+  const runValidators = _getOption(this, 'runValidators', false);
+  if (runValidators === false) {
+    try {
+      this._update = this._castUpdate(this._update, true);
+    } catch (err) {
+      const validationError = new ValidationError();
+      validationError.errors[err.path] = err;
+      callback(validationError);
+      return null;
+    }
+
+    this._collection.collection.findOneAndReplace(filter, this._update || {}, options, _wrapThunkCallback(this, (err, res) => {
+      if (err) {
+        return callback(err);
+      }
+
+      const doc = res.value;
+
+      return this._completeOne(doc, res, callback);
+    }));
+
+    return;
+  }
+
+
+  let castedDoc = new this.model(this._update, null, true);
+  this._update = castedDoc;
+  castedDoc.validate(err => {
+    if (err != null) {
+      return callback(err);
+    }
+
+    if (castedDoc.toBSON) {
+      castedDoc = castedDoc.toBSON();
+    }
+
+    this._collection.collection.findOneAndReplace(filter, castedDoc, options, _wrapThunkCallback(this, (err, res) => {
+      if (err) {
+        return callback(err);
+      }
+
+      const doc = res.value;
+
+      return this._completeOne(doc, res, callback);
+    }));
+  });
+});
+
+/**
+ * Support the `new` option as an alternative to `returnOriginal` for backwards
+ * compat.
+ * @api private
+ */
+
+function convertNewToReturnDocument(options) {
+  if ('new' in options) {
+    options.returnDocument = options['new'] ? 'after' : 'before';
+    delete options['new'];
+  }
+  if ('returnOriginal' in options) {
+    options.returnDocument = options['returnOriginal'] ? 'before' : 'after';
+    delete options['returnOriginal'];
+  }
+  // Temporary since driver 4.0.0-beta does not support `returnDocument`
+  if (typeof options.returnDocument === 'string') {
+    options.returnOriginal = options.returnDocument === 'before';
+  }
+}
+
+/**
+ * Thunk around findOneAndRemove()
+ *
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @method _findOneAndRemove
+ * @memberOf Query
+ * @instance
+ * @api private
+ */
+Query.prototype._findOneAndRemove = wrapThunk(function(callback) {
+  if (this.error() != null) {
+    callback(this.error());
+    return;
+  }
+
+  this._findAndModify('remove', callback);
+});
+
+/**
+ * Get options from query opts, falling back to the base mongoose object.
+ * @param {Query} query
+ * @param {Object} option
+ * @param {Any} def
+ * @api private
+ */
+
+function _getOption(query, option, def) {
+  const opts = query._optionsForExec(query.model);
+
+  if (option in opts) {
+    return opts[option];
+  }
+  if (option in query.model.base.options) {
+    return query.model.base.options[option];
+  }
+  return def;
+}
+
+/**
+ * Override mquery.prototype._findAndModify to provide casting etc.
+ *
+ * @param {String} type either "remove" or "update"
+ * @param {Function} callback
+ * @method _findAndModify
+ * @memberOf Query
+ * @instance
+ * @api private
+ */
+
+Query.prototype._findAndModify = function(type, callback) {
+  if (typeof callback !== 'function') {
+    throw new Error('Expected callback in _findAndModify');
+  }
+
+  const model = this.model;
+  const schema = model.schema;
+  const _this = this;
+  let fields;
+
+  const castedQuery = castQuery(this);
+  if (castedQuery instanceof Error) {
+    return callback(castedQuery);
+  }
+
+  _castArrayFilters(this);
+
+  const opts = this._optionsForExec(model);
+
+  if ('strict' in opts) {
+    this._mongooseOptions.strict = opts.strict;
+  }
+
+  const isOverwriting = this.options.overwrite && !hasDollarKeys(this._update);
+  if (isOverwriting) {
+    this._update = new this.model(this._update, null, true);
+  }
+
+  if (type === 'remove') {
+    opts.remove = true;
+  } else {
+    if (!('new' in opts) && !('returnOriginal' in opts) && !('returnDocument' in opts)) {
+      opts.new = false;
+    }
+    if (!('upsert' in opts)) {
+      opts.upsert = false;
+    }
+    if (opts.upsert || opts['new']) {
+      opts.remove = false;
+    }
+
+    if (!isOverwriting) {
+      try {
+        this._update = this._castUpdate(this._update, opts.overwrite);
+      } catch (err) {
+        return callback(err);
+      }
+      const _opts = Object.assign({}, opts, {
+        setDefaultsOnInsert: this._mongooseOptions.setDefaultsOnInsert
+      });
+      this._update = setDefaultsOnInsert(this._conditions, schema, this._update, _opts);
+      if (!this._update || Object.keys(this._update).length === 0) {
+        if (opts.upsert) {
+          // still need to do the upsert to empty doc
+          const doc = utils.clone(castedQuery);
+          delete doc._id;
+          this._update = { $set: doc };
+        } else {
+          this._executionStack = null;
+          this.findOne(callback);
+          return this;
+        }
+      } else if (this._update instanceof Error) {
+        return callback(this._update);
+      } else {
+        // In order to make MongoDB 2.6 happy (see
+        // https://jira.mongodb.org/browse/SERVER-12266 and related issues)
+        // if we have an actual update document but $set is empty, junk the $set.
+        if (this._update.$set && Object.keys(this._update.$set).length === 0) {
+          delete this._update.$set;
+        }
+      }
+    }
+
+    if (Array.isArray(opts.arrayFilters)) {
+      opts.arrayFilters = removeUnusedArrayFilters(this._update, opts.arrayFilters);
+    }
+  }
+
+  this._applyPaths();
+
+  if (this._fields) {
+    fields = utils.clone(this._fields);
+    opts.projection = this._castFields(fields);
+    if (opts.projection instanceof Error) {
+      return callback(opts.projection);
+    }
+  }
+
+  if (opts.sort) convertSortToArray(opts);
+
+  const cb = function(err, doc, res) {
+    if (err) {
+      return callback(err);
+    }
+
+    _this._completeOne(doc, res, callback);
+  };
+
+  const runValidators = _getOption(this, 'runValidators', false);
+
+  // Bypass mquery
+  const collection = _this._collection.collection;
+  convertNewToReturnDocument(opts);
+
+  if (type === 'remove') {
+    collection.findOneAndDelete(castedQuery, opts, _wrapThunkCallback(_this, function(error, res) {
+      return cb(error, res ? res.value : res, res);
+    }));
+
+    return this;
+  }
+
+  // honors legacy overwrite option for backward compatibility
+  const updateMethod = isOverwriting ? 'findOneAndReplace' : 'findOneAndUpdate';
+
+  if (runValidators) {
+    this.validate(this._update, opts, isOverwriting, error => {
+      if (error) {
+        return callback(error);
+      }
+      if (this._update && this._update.toBSON) {
+        this._update = this._update.toBSON();
+      }
+
+      collection[updateMethod](castedQuery, this._update, opts, _wrapThunkCallback(_this, function(error, res) {
+        return cb(error, res ? res.value : res, res);
+      }));
+    });
+  } else {
+    if (this._update && this._update.toBSON) {
+      this._update = this._update.toBSON();
+    }
+    collection[updateMethod](castedQuery, this._update, opts, _wrapThunkCallback(_this, function(error, res) {
+      return cb(error, res ? res.value : res, res);
+    }));
+  }
+
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+function _completeOneLean(schema, doc, path, res, opts, callback) {
+  if (opts.lean && typeof opts.lean.transform === 'function') {
+    opts.lean.transform(doc);
+
+    for (let i = 0; i < schema.childSchemas.length; i++) {
+      const childPath = path ? path + '.' + schema.childSchemas[i].model.path : schema.childSchemas[i].model.path;
+      const _schema = schema.childSchemas[i].schema;
+      const obj = mpath.get(childPath, doc);
+      if (obj == null) {
+        continue;
+      }
+      if (Array.isArray(obj)) {
+        for (let i = 0; i < obj.length; i++) {
+          opts.lean.transform(obj[i]);
+        }
+      } else {
+        opts.lean.transform(obj);
+      }
+      _completeOneLean(_schema, obj, childPath, res, opts);
+    }
+    if (callback) {
+      return callback(null, doc);
+    } else {
+      return;
+    }
+  }
+  if (opts.rawResult) {
+    return callback(null, res);
+  }
+  return callback(null, doc);
+}
+
+/*!
+ * ignore
+ */
+
+function _completeManyLean(schema, docs, path, opts, callback) {
+  if (opts.lean && typeof opts.lean.transform === 'function') {
+    for (const doc of docs) {
+      opts.lean.transform(doc);
+    }
+
+    for (let i = 0; i < schema.childSchemas.length; i++) {
+      const childPath = path ? path + '.' + schema.childSchemas[i].model.path : schema.childSchemas[i].model.path;
+      const _schema = schema.childSchemas[i].schema;
+      let doc = mpath.get(childPath, docs);
+      if (doc == null) {
+        continue;
+      }
+      doc = doc.flat();
+      for (let i = 0; i < doc.length; i++) {
+        opts.lean.transform(doc[i]);
+      }
+      _completeManyLean(_schema, doc, childPath, opts);
+    }
+  }
+
+  if (!callback) {
+    return;
+  }
+  return callback(null, docs);
+}
+/**
+ * Override mquery.prototype._mergeUpdate to handle mongoose objects in
+ * updates.
+ *
+ * @param {Object} doc
+ * @method _mergeUpdate
+ * @memberOf Query
+ * @instance
+ * @api private
+ */
+
+Query.prototype._mergeUpdate = function(doc) {
+  if (doc == null || (typeof doc === 'object' && Object.keys(doc).length === 0)) {
+    return;
+  }
+
+  if (!this._update) {
+    this._update = Array.isArray(doc) ? [] : {};
+  }
+  if (doc instanceof Query) {
+    if (Array.isArray(this._update)) {
+      throw new Error('Cannot mix array and object updates');
+    }
+    if (doc._update) {
+      utils.mergeClone(this._update, doc._update);
+    }
+  } else if (Array.isArray(doc)) {
+    if (!Array.isArray(this._update)) {
+      throw new Error('Cannot mix array and object updates');
+    }
+    this._update = this._update.concat(doc);
+  } else {
+    if (Array.isArray(this._update)) {
+      throw new Error('Cannot mix array and object updates');
+    }
+    utils.mergeClone(this._update, doc);
+  }
+};
+
+/**
+ * The mongodb driver 1.3.23 only supports the nested array sort
+ * syntax. We must convert it or sorting findAndModify will not work.
+ * @param {Object} opts
+ * @param {Array|Object} opts.sort
+ * @api private
+ */
+
+function convertSortToArray(opts) {
+  if (Array.isArray(opts.sort)) {
+    return;
+  }
+  if (!utils.isObject(opts.sort)) {
+    return;
+  }
+
+  const sort = [];
+
+  for (const key in opts.sort) {
+    if (utils.object.hasOwnProperty(opts.sort, key)) {
+      sort.push([key, opts.sort[key]]);
+    }
+  }
+
+  opts.sort = sort;
+}
+
+/*!
+ * ignore
+ */
+
+function _updateThunk(op, callback) {
+  this._castConditions();
+
+  _castArrayFilters(this);
+
+  if (this.error() != null) {
+    callback(this.error());
+    return null;
+  }
+
+  callback = _wrapThunkCallback(this, callback);
+
+  const castedQuery = this._conditions;
+  const options = this._optionsForExec(this.model);
+
+  this._update = utils.clone(this._update, options);
+  const isOverwriting = this.options.overwrite && !hasDollarKeys(this._update);
+  if (isOverwriting) {
+    if (op === 'updateOne' || op === 'updateMany') {
+      return callback(new MongooseError('The MongoDB server disallows ' +
+        'overwriting documents using `' + op + '`. See: ' +
+        'https://mongoosejs.com/docs/deprecations.html#update'));
+    }
+    this._update = new this.model(this._update, null, true);
+  } else {
+    try {
+      this._update = this._castUpdate(this._update, options.overwrite);
+    } catch (err) {
+      callback(err);
+      return null;
+    }
+
+    if (this._update == null || Object.keys(this._update).length === 0) {
+      callback(null, { acknowledged: false });
+      return null;
+    }
+
+    const _opts = Object.assign({}, options, {
+      setDefaultsOnInsert: this._mongooseOptions.setDefaultsOnInsert
+    });
+    this._update = setDefaultsOnInsert(this._conditions, this.model.schema,
+      this._update, _opts);
+  }
+
+  if (Array.isArray(options.arrayFilters)) {
+    options.arrayFilters = removeUnusedArrayFilters(this._update, options.arrayFilters);
+  }
+
+  const runValidators = _getOption(this, 'runValidators', false);
+  if (runValidators) {
+    this.validate(this._update, options, isOverwriting, err => {
+      if (err) {
+        return callback(err);
+      }
+
+      if (this._update.toBSON) {
+        this._update = this._update.toBSON();
+      }
+      this._collection[op](castedQuery, this._update, options, callback);
+    });
+    return null;
+  }
+
+  if (this._update.toBSON) {
+    this._update = this._update.toBSON();
+  }
+
+  this._collection[op](castedQuery, this._update, options, callback);
+  return null;
+}
+
+/**
+ * Mongoose calls this function internally to validate the query if
+ * `runValidators` is set
+ *
+ * @param {Object} castedDoc the update, after casting
+ * @param {Object} options the options from `_optionsForExec()`
+ * @param {Boolean} isOverwriting
+ * @param {Function} callback
+ * @method validate
+ * @memberOf Query
+ * @instance
+ * @api private
+ */
+
+Query.prototype.validate = function validate(castedDoc, options, isOverwriting, callback) {
+  return promiseOrCallback(callback, cb => {
+    try {
+      if (isOverwriting) {
+        castedDoc.$validate(cb);
+      } else {
+        updateValidators(this, this.model.schema, castedDoc, options, cb);
+      }
+    } catch (err) {
+      immediate(function() {
+        cb(err);
+      });
+    }
+  });
+};
+
+/**
+ * Internal thunk for .update()
+ *
+ * @param {Function} callback
+ * @see Model.update #model_Model-update
+ * @method _execUpdate
+ * @memberOf Query
+ * @instance
+ * @api private
+ */
+Query.prototype._execUpdate = wrapThunk(function(callback) {
+  return _updateThunk.call(this, 'update', callback);
+});
+
+/**
+ * Internal thunk for .updateMany()
+ *
+ * @param {Function} callback
+ * @see Model.update #model_Model-update
+ * @method _updateMany
+ * @memberOf Query
+ * @instance
+ * @api private
+ */
+Query.prototype._updateMany = wrapThunk(function(callback) {
+  return _updateThunk.call(this, 'updateMany', callback);
+});
+
+/**
+ * Internal thunk for .updateOne()
+ *
+ * @param {Function} callback
+ * @see Model.update #model_Model-update
+ * @method _updateOne
+ * @memberOf Query
+ * @instance
+ * @api private
+ */
+Query.prototype._updateOne = wrapThunk(function(callback) {
+  return _updateThunk.call(this, 'updateOne', callback);
+});
+
+/**
+ * Internal thunk for .replaceOne()
+ *
+ * @param {Function} callback
+ * @see Model.replaceOne #model_Model-replaceOne
+ * @method _replaceOne
+ * @memberOf Query
+ * @instance
+ * @api private
+ */
+Query.prototype._replaceOne = wrapThunk(function(callback) {
+  return _updateThunk.call(this, 'replaceOne', callback);
+});
+
+/**
+ * Declare and/or execute this query as an update() operation.
+ *
+ * _All paths passed that are not [atomic](https://docs.mongodb.com/manual/tutorial/model-data-for-atomic-operations/#pattern) operations will become `$set` ops._
+ *
+ * This function triggers the following middleware.
+ *
+ * - `update()`
+ *
+ * #### Example:
+ *
+ *     Model.where({ _id: id }).update({ title: 'words' });
+ *
+ *     // becomes
+ *
+ *     Model.where({ _id: id }).update({ $set: { title: 'words' }});
+ *
+ * #### Valid options:
+ *
+ *  - `upsert` (boolean) whether to create the doc if it doesn't match (false)
+ *  - `multi` (boolean) whether multiple documents should be updated (false)
+ *  - `runValidators` (boolean) if true, runs [update validators](/docs/validation.html#update-validators) on this command. Update validators validate the update operation against the model's schema.
+ *  - `setDefaultsOnInsert` (boolean) `true` by default. If `setDefaultsOnInsert` and `upsert` are true, mongoose will apply the [defaults](https://mongoosejs.com/docs/defaults.html) specified in the model's schema if a new document is created.
+ *  - `strict` (boolean) overrides the `strict` option for this update
+ *  - `read`
+ *  - `writeConcern`
+ *
+ * #### Note:
+ *
+ * Passing an empty object `{}` as the doc will result in a no-op. The update operation will be ignored and the callback executed without sending the command to MongoDB.
+ *
+ * #### Note:
+ *
+ * The operation is only executed when a callback is passed. To force execution without a callback, we must first call update() and then execute it by using the `exec()` method.
+ *
+ * ```javascript
+ * const q = Model.where({ _id: id });
+ * q.update({ $set: { name: 'bob' }}).update(); // not executed
+ *
+ * q.update({ $set: { name: 'bob' }}).exec(); // executed
+ *
+ * // keys that are not [atomic](https://docs.mongodb.com/manual/tutorial/model-data-for-atomic-operations/#pattern) ops become `$set`.
+ * // this executes the same command as the previous example.
+ * q.update({ name: 'bob' }).exec();
+ *
+ * // multi updates
+ * Model.where()
+ *      .update({ name: /^match/ }, { $set: { arr: [] }}, { multi: true }, callback)
+ *
+ * // more multi updates
+ * Model.where()
+ *      .setOptions({ multi: true })
+ *      .update({ $set: { arr: [] }}, callback)
+ *
+ * // single update by default
+ * Model.where({ email: 'address@example.com' })
+ *      .update({ $inc: { counter: 1 }}, callback)
+ * ```
+ *
+ * API summary
+ *
+ * ```javascript
+ * update(filter, doc, options, cb); // executes
+ * update(filter, doc, options);
+ * update(filter, doc, cb); // executes
+ * update(filter, doc);
+ * update(doc, cb); // executes
+ * update(doc);
+ * update(cb); // executes
+ * update(true); // executes
+ * update();
+ * ```
+ *
+ * @param {Object} [filter]
+ * @param {Object} [doc] the update command
+ * @param {Object} [options]
+ * @param {Boolean} [options.multipleCastError] by default, mongoose only returns the first error that occurred in casting the query. Turn on this option to aggregate all the cast errors.
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document
+ * @param {Object} [options.writeConcern=null] sets the [write concern](https://docs.mongodb.com/manual/reference/write-concern/) for replica sets. Overrides the [schema-level write concern](/docs/guide.html#writeConcern)
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Does nothing if schema-level timestamps are not set.
+ * @param {Function} [callback] params are (error, writeOpResult)
+ * @return {Query} this
+ * @see Model.update #model_Model-update
+ * @see Query docs https://mongoosejs.com/docs/queries.html
+ * @see update https://docs.mongodb.org/manual/reference/method/db.collection.update/
+ * @see UpdateResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/UpdateResult.html
+ * @see MongoDB docs https://docs.mongodb.com/manual/reference/command/update/#update-command-output
+ * @api public
+ */
+
+Query.prototype.update = function(conditions, doc, options, callback) {
+  if (typeof options === 'function') {
+    // .update(conditions, doc, callback)
+    callback = options;
+    options = null;
+  } else if (typeof doc === 'function') {
+    // .update(doc, callback);
+    callback = doc;
+    doc = conditions;
+    conditions = {};
+    options = null;
+  } else if (typeof conditions === 'function') {
+    // .update(callback)
+    callback = conditions;
+    conditions = undefined;
+    doc = undefined;
+    options = undefined;
+  } else if (typeof conditions === 'object' && !doc && !options && !callback) {
+    // .update(doc)
+    doc = conditions;
+    conditions = undefined;
+    options = undefined;
+    callback = undefined;
+  }
+
+  return _update(this, 'update', conditions, doc, options, callback);
+};
+
+/**
+ * Declare and/or execute this query as an updateMany() operation. Same as
+ * `update()`, except MongoDB will update _all_ documents that match
+ * `filter` (as opposed to just the first one) regardless of the value of
+ * the `multi` option.
+ *
+ * **Note** updateMany will _not_ fire update middleware. Use `pre('updateMany')`
+ * and `post('updateMany')` instead.
+ *
+ * #### Example:
+ *
+ *     const res = await Person.updateMany({ name: /Stark$/ }, { isDeleted: true });
+ *     res.n; // Number of documents matched
+ *     res.nModified; // Number of documents modified
+ *
+ * This function triggers the following middleware.
+ *
+ * - `updateMany()`
+ *
+ * @param {Object} [filter]
+ * @param {Object|Array} [update] the update command
+ * @param {Object} [options]
+ * @param {Boolean} [options.multipleCastError] by default, mongoose only returns the first error that occurred in casting the query. Turn on this option to aggregate all the cast errors.
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document
+ * @param {Object} [options.writeConcern=null] sets the [write concern](https://docs.mongodb.com/manual/reference/write-concern/) for replica sets. Overrides the [schema-level write concern](/docs/guide.html#writeConcern)
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Does nothing if schema-level timestamps are not set.
+ * @param {Function} [callback] params are (error, writeOpResult)
+ * @return {Query} this
+ * @see Model.update #model_Model-update
+ * @see Query docs https://mongoosejs.com/docs/queries.html
+ * @see update https://docs.mongodb.org/manual/reference/method/db.collection.update/
+ * @see UpdateResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/UpdateResult.html
+ * @see MongoDB docs https://docs.mongodb.com/manual/reference/command/update/#update-command-output
+ * @api public
+ */
+
+Query.prototype.updateMany = function(conditions, doc, options, callback) {
+  if (typeof options === 'function') {
+    // .update(conditions, doc, callback)
+    callback = options;
+    options = null;
+  } else if (typeof doc === 'function') {
+    // .update(doc, callback);
+    callback = doc;
+    doc = conditions;
+    conditions = {};
+    options = null;
+  } else if (typeof conditions === 'function') {
+    // .update(callback)
+    callback = conditions;
+    conditions = undefined;
+    doc = undefined;
+    options = undefined;
+  } else if (typeof conditions === 'object' && !doc && !options && !callback) {
+    // .update(doc)
+    doc = conditions;
+    conditions = undefined;
+    options = undefined;
+    callback = undefined;
+  }
+
+  return _update(this, 'updateMany', conditions, doc, options, callback);
+};
+
+/**
+ * Declare and/or execute this query as an updateOne() operation. Same as
+ * `update()`, except it does not support the `multi` option.
+ *
+ * - MongoDB will update _only_ the first document that matches `filter` regardless of the value of the `multi` option.
+ * - Use `replaceOne()` if you want to overwrite an entire document rather than using [atomic](https://docs.mongodb.com/manual/tutorial/model-data-for-atomic-operations/#pattern) operators like `$set`.
+ *
+ * **Note** updateOne will _not_ fire update middleware. Use `pre('updateOne')`
+ * and `post('updateOne')` instead.
+ *
+ * #### Example:
+ *
+ *     const res = await Person.updateOne({ name: 'Jean-Luc Picard' }, { ship: 'USS Enterprise' });
+ *     res.n; // Number of documents matched
+ *     res.nModified; // Number of documents modified
+ *
+ * This function triggers the following middleware.
+ *
+ * - `updateOne()`
+ *
+ * @param {Object} [filter]
+ * @param {Object|Array} [update] the update command
+ * @param {Object} [options]
+ * @param {Boolean} [options.multipleCastError] by default, mongoose only returns the first error that occurred in casting the query. Turn on this option to aggregate all the cast errors.
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document
+ * @param {Object} [options.writeConcern=null] sets the [write concern](https://docs.mongodb.com/manual/reference/write-concern/) for replica sets. Overrides the [schema-level write concern](/docs/guide.html#writeConcern)
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Note that this allows you to overwrite timestamps. Does nothing if schema-level timestamps are not set.
+ * @param {Function} [callback] params are (error, writeOpResult)
+ * @return {Query} this
+ * @see Model.update #model_Model-update
+ * @see Query docs https://mongoosejs.com/docs/queries.html
+ * @see update https://docs.mongodb.org/manual/reference/method/db.collection.update/
+ * @see UpdateResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/UpdateResult.html
+ * @see MongoDB docs https://docs.mongodb.com/manual/reference/command/update/#update-command-output
+ * @api public
+ */
+
+Query.prototype.updateOne = function(conditions, doc, options, callback) {
+  if (typeof options === 'function') {
+    // .update(conditions, doc, callback)
+    callback = options;
+    options = null;
+  } else if (typeof doc === 'function') {
+    // .update(doc, callback);
+    callback = doc;
+    doc = conditions;
+    conditions = {};
+    options = null;
+  } else if (typeof conditions === 'function') {
+    // .update(callback)
+    callback = conditions;
+    conditions = undefined;
+    doc = undefined;
+    options = undefined;
+  } else if (typeof conditions === 'object' && !doc && !options && !callback) {
+    // .update(doc)
+    doc = conditions;
+    conditions = undefined;
+    options = undefined;
+    callback = undefined;
+  }
+
+  return _update(this, 'updateOne', conditions, doc, options, callback);
+};
+
+/**
+ * Declare and/or execute this query as a replaceOne() operation. Same as
+ * `update()`, except MongoDB will replace the existing document and will
+ * not accept any [atomic](https://docs.mongodb.com/manual/tutorial/model-data-for-atomic-operations/#pattern) operators (`$set`, etc.)
+ *
+ * **Note** replaceOne will _not_ fire update middleware. Use `pre('replaceOne')`
+ * and `post('replaceOne')` instead.
+ *
+ * #### Example:
+ *
+ *     const res = await Person.replaceOne({ _id: 24601 }, { name: 'Jean Valjean' });
+ *     res.n; // Number of documents matched
+ *     res.nModified; // Number of documents modified
+ *
+ * This function triggers the following middleware.
+ *
+ * - `replaceOne()`
+ *
+ * @param {Object} [filter]
+ * @param {Object} [doc] the update command
+ * @param {Object} [options]
+ * @param {Boolean} [options.multipleCastError] by default, mongoose only returns the first error that occurred in casting the query. Turn on this option to aggregate all the cast errors.
+ * @param {Boolean|String} [options.strict] overwrites the schema's [strict mode option](https://mongoosejs.com/docs/guide.html#strict)
+ * @param {Boolean} [options.upsert=false] if true, and no documents found, insert a new document
+ * @param {Object} [options.writeConcern=null] sets the [write concern](https://docs.mongodb.com/manual/reference/write-concern/) for replica sets. Overrides the [schema-level write concern](/docs/guide.html#writeConcern)
+ * @param {Boolean} [options.timestamps=null] If set to `false` and [schema-level timestamps](/docs/guide.html#timestamps) are enabled, skip timestamps for this update. Does nothing if schema-level timestamps are not set.
+ * @param {Function} [callback] params are (error, writeOpResult)
+ * @return {Query} this
+ * @see Model.update #model_Model-update
+ * @see Query docs https://mongoosejs.com/docs/queries.html
+ * @see update https://docs.mongodb.org/manual/reference/method/db.collection.update/
+ * @see UpdateResult https://mongodb.github.io/node-mongodb-native/4.9/interfaces/UpdateResult.html
+ * @see MongoDB docs https://docs.mongodb.com/manual/reference/command/update/#update-command-output
+ * @api public
+ */
+
+Query.prototype.replaceOne = function(conditions, doc, options, callback) {
+  if (typeof options === 'function') {
+    // .update(conditions, doc, callback)
+    callback = options;
+    options = null;
+  } else if (typeof doc === 'function') {
+    // .update(doc, callback);
+    callback = doc;
+    doc = conditions;
+    conditions = {};
+    options = null;
+  } else if (typeof conditions === 'function') {
+    // .update(callback)
+    callback = conditions;
+    conditions = undefined;
+    doc = undefined;
+    options = undefined;
+  } else if (typeof conditions === 'object' && !doc && !options && !callback) {
+    // .update(doc)
+    doc = conditions;
+    conditions = undefined;
+    options = undefined;
+    callback = undefined;
+  }
+
+  this.setOptions({ overwrite: true });
+  return _update(this, 'replaceOne', conditions, doc, options, callback);
+};
+
+/**
+ * Internal helper for update, updateMany, updateOne, replaceOne
+ * @param {Query} query
+ * @param {String} op
+ * @param {Object} filter
+ * @param {Document} [doc]
+ * @param {Object} [options]
+ * @param {Function} callback
+ * @api private
+ */
+
+function _update(query, op, filter, doc, options, callback) {
+  // make sure we don't send in the whole Document to merge()
+  query.op = op;
+  query._validateOp();
+  filter = utils.toObject(filter);
+  doc = doc || {};
+
+  // strict is an option used in the update checking, make sure it gets set
+  if (options != null) {
+    if ('strict' in options) {
+      query._mongooseOptions.strict = options.strict;
+    }
+  }
+
+  if (!(filter instanceof Query) &&
+      filter != null &&
+      filter.toString() !== '[object Object]') {
+    query.error(new ObjectParameterError(filter, 'filter', op));
+  } else {
+    query.merge(filter);
+  }
+
+  if (utils.isObject(options)) {
+    query.setOptions(options);
+  }
+
+  query._mergeUpdate(doc);
+
+  // Hooks
+  if (callback) {
+    query.exec(callback);
+
+    return query;
+  }
+
+  return Query.base[op].call(query, filter, void 0, options, callback);
+}
+
+/**
+ * Runs a function `fn` and treats the return value of `fn` as the new value
+ * for the query to resolve to.
+ *
+ * Any functions you pass to `transform()` will run **after** any post hooks.
+ *
+ * #### Example:
+ *
+ *     const res = await MyModel.findOne().transform(res => {
+ *       // Sets a `loadedAt` property on the doc that tells you the time the
+ *       // document was loaded.
+ *       return res == null ?
+ *         res :
+ *         Object.assign(res, { loadedAt: new Date() });
+ *     });
+ *
+ * @method transform
+ * @memberOf Query
+ * @instance
+ * @param {Function} fn function to run to transform the query result
+ * @return {Query} this
+ */
+
+Query.prototype.transform = function(fn) {
+  this._transforms.push(fn);
+  return this;
+};
+
+/**
+ * Make this query throw an error if no documents match the given `filter`.
+ * This is handy for integrating with async/await, because `orFail()` saves you
+ * an extra `if` statement to check if no document was found.
+ *
+ * #### Example:
+ *
+ *     // Throws if no doc returned
+ *     await Model.findOne({ foo: 'bar' }).orFail();
+ *
+ *     // Throws if no document was updated. Note that `orFail()` will still
+ *     // throw if the only document that matches is `{ foo: 'bar', name: 'test' }`,
+ *     // because `orFail()` will throw if no document was _updated_, not
+ *     // if no document was _found_.
+ *     await Model.updateOne({ foo: 'bar' }, { name: 'test' }).orFail();
+ *
+ *     // Throws "No docs found!" error if no docs match `{ foo: 'bar' }`
+ *     await Model.find({ foo: 'bar' }).orFail(new Error('No docs found!'));
+ *
+ *     // Throws "Not found" error if no document was found
+ *     await Model.findOneAndUpdate({ foo: 'bar' }, { name: 'test' }).
+ *       orFail(() => Error('Not found'));
+ *
+ * @method orFail
+ * @memberOf Query
+ * @instance
+ * @param {Function|Error} [err] optional error to throw if no docs match `filter`. If not specified, `orFail()` will throw a `DocumentNotFoundError`
+ * @return {Query} this
+ */
+
+Query.prototype.orFail = function(err) {
+  this.transform(res => {
+    switch (this.op) {
+      case 'find':
+        if (res.length === 0) {
+          throw _orFailError(err, this);
+        }
+        break;
+      case 'findOne':
+        if (res == null) {
+          throw _orFailError(err, this);
+        }
+        break;
+      case 'replaceOne':
+      case 'update':
+      case 'updateMany':
+      case 'updateOne':
+        if (res && res.modifiedCount === 0) {
+          throw _orFailError(err, this);
+        }
+        break;
+      case 'findOneAndDelete':
+      case 'findOneAndRemove':
+        if ((res && res.lastErrorObject && res.lastErrorObject.n) === 0) {
+          throw _orFailError(err, this);
+        }
+        break;
+      case 'findOneAndUpdate':
+      case 'findOneAndReplace':
+        if ((res && res.lastErrorObject && res.lastErrorObject.updatedExisting) === false) {
+          throw _orFailError(err, this);
+        }
+        break;
+      case 'deleteMany':
+      case 'deleteOne':
+      case 'remove':
+        if (res.deletedCount === 0) {
+          throw _orFailError(err, this);
+        }
+        break;
+      default:
+        break;
+    }
+
+    return res;
+  });
+  return this;
+};
+
+/**
+ * Get the error to throw for `orFail()`
+ * @param {Error|undefined} err
+ * @param {Query} query
+ * @api private
+ */
+
+function _orFailError(err, query) {
+  if (typeof err === 'function') {
+    err = err.call(query);
+  }
+
+  if (err == null) {
+    err = new DocumentNotFoundError(query.getQuery(), query.model.modelName);
+  }
+
+  return err;
+}
+
+/**
+ * Executes the query
+ *
+ * #### Examples:
+ *
+ *     const promise = query.exec();
+ *     const promise = query.exec('update');
+ *
+ *     query.exec(callback);
+ *     query.exec('find', callback);
+ *
+ * @param {String|Function} [operation]
+ * @param {Function} [callback] optional params depend on the function being called
+ * @return {Promise}
+ * @api public
+ */
+
+Query.prototype.exec = function exec(op, callback) {
+  const _this = this;
+  // Ensure that `exec()` is the first thing that shows up in
+  // the stack when cast errors happen.
+  const castError = new CastError();
+
+  if (typeof op === 'function') {
+    callback = op;
+    op = null;
+  } else if (typeof op === 'string') {
+    this.op = op;
+  }
+
+  if (this.op == null) {
+    throw new Error('Query must have `op` before executing');
+  }
+  this._validateOp();
+
+  callback = this.model.$handleCallbackError(callback);
+
+  return promiseOrCallback(callback, (cb) => {
+    cb = this.model.$wrapCallback(cb);
+
+    if (!_this.op) {
+      cb();
+      return;
+    }
+
+    this._hooks.execPre('exec', this, [], (error) => {
+      if (error != null) {
+        return cb(_cleanCastErrorStack(castError, error));
+      }
+      let thunk = '_' + this.op;
+      if (this.op === 'update') {
+        thunk = '_execUpdate';
+      } else if (this.op === 'distinct') {
+        thunk = '__distinct';
+      }
+      this[thunk].call(this, (error, res) => {
+        if (error) {
+          return cb(_cleanCastErrorStack(castError, error));
+        }
+
+        this._hooks.execPost('exec', this, [], {}, (error) => {
+          if (error) {
+            return cb(_cleanCastErrorStack(castError, error));
+          }
+
+          cb(null, res);
+        });
+      });
+    });
+  }, this.model.events);
+};
+
+/*!
+ * ignore
+ */
+
+function _cleanCastErrorStack(castError, error) {
+  if (error instanceof CastError) {
+    castError.copy(error);
+    return castError;
+  }
+
+  return error;
+}
+
+/*!
+ * ignore
+ */
+
+function _wrapThunkCallback(query, cb) {
+  return function(error, res) {
+    if (error != null) {
+      return cb(error);
+    }
+
+    for (const fn of query._transforms) {
+      try {
+        res = fn(res);
+      } catch (error) {
+        return cb(error);
+      }
+    }
+
+    return cb(null, res);
+  };
+}
+
+/**
+ * Executes the query returning a `Promise` which will be
+ * resolved with either the doc(s) or rejected with the error.
+ *
+ * More about [`then()` in JavaScript](https://masteringjs.io/tutorials/fundamentals/then).
+ *
+ * @param {Function} [resolve]
+ * @param {Function} [reject]
+ * @return {Promise}
+ * @api public
+ */
+
+Query.prototype.then = function(resolve, reject) {
+  return this.exec().then(resolve, reject);
+};
+
+/**
+ * Executes the query returning a `Promise` which will be
+ * resolved with either the doc(s) or rejected with the error.
+ * Like `.then()`, but only takes a rejection handler.
+ *
+ * More about [Promise `catch()` in JavaScript](https://masteringjs.io/tutorials/fundamentals/catch).
+ *
+ * @param {Function} [reject]
+ * @return {Promise}
+ * @api public
+ */
+
+Query.prototype.catch = function(reject) {
+  return this.exec().then(null, reject);
+};
+
+/**
+ * Add pre [middleware](/docs/middleware.html) to this query instance. Doesn't affect
+ * other queries.
+ *
+ * #### Example:
+ *
+ *     const q1 = Question.find({ answer: 42 });
+ *     q1.pre(function middleware() {
+ *       console.log(this.getFilter());
+ *     });
+ *     await q1.exec(); // Prints "{ answer: 42 }"
+ *
+ *     // Doesn't print anything, because `middleware()` is only
+ *     // registered on `q1`.
+ *     await Question.find({ answer: 42 });
+ *
+ * @param {Function} fn
+ * @return {Promise}
+ * @api public
+ */
+
+Query.prototype.pre = function(fn) {
+  this._hooks.pre('exec', fn);
+  return this;
+};
+
+/**
+ * Add post [middleware](/docs/middleware.html) to this query instance. Doesn't affect
+ * other queries.
+ *
+ * #### Example:
+ *
+ *     const q1 = Question.find({ answer: 42 });
+ *     q1.post(function middleware() {
+ *       console.log(this.getFilter());
+ *     });
+ *     await q1.exec(); // Prints "{ answer: 42 }"
+ *
+ *     // Doesn't print anything, because `middleware()` is only
+ *     // registered on `q1`.
+ *     await Question.find({ answer: 42 });
+ *
+ * @param {Function} fn
+ * @return {Promise}
+ * @api public
+ */
+
+Query.prototype.post = function(fn) {
+  this._hooks.post('exec', fn);
+  return this;
+};
+
+/**
+ * Casts obj for an update command.
+ *
+ * @param {Object} obj
+ * @param {Boolean} overwrite
+ * @return {Object} obj after casting its values
+ * @method _castUpdate
+ * @memberOf Query
+ * @instance
+ * @api private
+ */
+
+Query.prototype._castUpdate = function _castUpdate(obj, overwrite) {
+  let schema = this.schema;
+
+  const discriminatorKey = schema.options.discriminatorKey;
+  const baseSchema = schema._baseSchema ? schema._baseSchema : schema;
+  if (this._mongooseOptions.overwriteDiscriminatorKey &&
+      obj[discriminatorKey] != null &&
+      baseSchema.discriminators) {
+    const _schema = baseSchema.discriminators[obj[discriminatorKey]];
+    if (_schema != null) {
+      schema = _schema;
+    }
+  }
+
+  let upsert;
+  if ('upsert' in this.options) {
+    upsert = this.options.upsert;
+  }
+
+  const filter = this._conditions;
+  if (schema != null &&
+      utils.hasUserDefinedProperty(filter, schema.options.discriminatorKey) &&
+      typeof filter[schema.options.discriminatorKey] !== 'object' &&
+      schema.discriminators != null) {
+    const discriminatorValue = filter[schema.options.discriminatorKey];
+    const byValue = getDiscriminatorByValue(this.model.discriminators, discriminatorValue);
+    schema = schema.discriminators[discriminatorValue] ||
+      (byValue && byValue.schema) ||
+      schema;
+  }
+
+  return castUpdate(schema, obj, {
+    overwrite: overwrite,
+    strict: this._mongooseOptions.strict,
+    upsert: upsert,
+    arrayFilters: this.options.arrayFilters,
+    overwriteDiscriminatorKey: this._mongooseOptions.overwriteDiscriminatorKey
+  }, this, this._conditions);
+};
+
+/**
+ * castQuery
+ * @api private
+ */
+
+function castQuery(query) {
+  try {
+    return query.cast(query.model);
+  } catch (err) {
+    return err;
+  }
+}
+
+/**
+ * Specifies paths which should be populated with other documents.
+ *
+ * #### Example:
+ *
+ *     let book = await Book.findOne().populate('authors');
+ *     book.title; // 'Node.js in Action'
+ *     book.authors[0].name; // 'TJ Holowaychuk'
+ *     book.authors[1].name; // 'Nathan Rajlich'
+ *
+ *     let books = await Book.find().populate({
+ *       path: 'authors',
+ *       // `match` and `sort` apply to the Author model,
+ *       // not the Book model. These options do not affect
+ *       // which documents are in `books`, just the order and
+ *       // contents of each book document's `authors`.
+ *       match: { name: new RegExp('.*h.*', 'i') },
+ *       sort: { name: -1 }
+ *     });
+ *     books[0].title; // 'Node.js in Action'
+ *     // Each book's `authors` are sorted by name, descending.
+ *     books[0].authors[0].name; // 'TJ Holowaychuk'
+ *     books[0].authors[1].name; // 'Marc Harter'
+ *
+ *     books[1].title; // 'Professional AngularJS'
+ *     // Empty array, no authors' name has the letter 'h'
+ *     books[1].authors; // []
+ *
+ * Paths are populated after the query executes and a response is received. A
+ * separate query is then executed for each path specified for population. After
+ * a response for each query has also been returned, the results are passed to
+ * the callback.
+ *
+ * @param {Object|String|String[]} path either the path(s) to populate or an object specifying all parameters
+ * @param {Object|String} [select] Field selection for the population query
+ * @param {Model} [model] The model you wish to use for population. If not specified, populate will look up the model by the name in the Schema's `ref` field.
+ * @param {Object} [match] Conditions for the population query
+ * @param {Object} [options] Options for the population query (sort, etc)
+ * @param {String} [options.path=null] The path to populate.
+ * @param {boolean} [options.retainNullValues=false] by default, Mongoose removes null and undefined values from populated arrays. Use this option to make `populate()` retain `null` and `undefined` array entries.
+ * @param {boolean} [options.getters=false] if true, Mongoose will call any getters defined on the `localField`. By default, Mongoose gets the raw value of `localField`. For example, you would need to set this option to `true` if you wanted to [add a `lowercase` getter to your `localField`](/docs/schematypes.html#schematype-options).
+ * @param {boolean} [options.clone=false] When you do `BlogPost.find().populate('author')`, blog posts with the same author will share 1 copy of an `author` doc. Enable this option to make Mongoose clone populated docs before assigning them.
+ * @param {Object|Function} [options.match=null] Add an additional filter to the populate query. Can be a filter object containing [MongoDB query syntax](https://docs.mongodb.com/manual/tutorial/query-documents/), or a function that returns a filter object.
+ * @param {Function} [options.transform=null] Function that Mongoose will call on every populated document that allows you to transform the populated document.
+ * @param {Object} [options.options=null] Additional options like `limit` and `lean`.
+ * @see population /docs/populate
+ * @see Query#select #query_Query-select
+ * @see Model.populate #model_Model-populate
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.populate = function() {
+  // Bail when given no truthy arguments
+  if (!Array.from(arguments).some(Boolean)) {
+    return this;
+  }
+
+  const res = utils.populate.apply(null, arguments);
+
+  // Propagate readConcern and readPreference and lean from parent query,
+  // unless one already specified
+  if (this.options != null) {
+    const readConcern = this.options.readConcern;
+    const readPref = this.options.readPreference;
+
+    for (const populateOptions of res) {
+      if (readConcern != null && (populateOptions && populateOptions.options && populateOptions.options.readConcern) == null) {
+        populateOptions.options = populateOptions.options || {};
+        populateOptions.options.readConcern = readConcern;
+      }
+      if (readPref != null && (populateOptions && populateOptions.options && populateOptions.options.readPreference) == null) {
+        populateOptions.options = populateOptions.options || {};
+        populateOptions.options.readPreference = readPref;
+      }
+    }
+  }
+
+  const opts = this._mongooseOptions;
+
+  if (opts.lean != null) {
+    const lean = opts.lean;
+    for (const populateOptions of res) {
+      if ((populateOptions && populateOptions.options && populateOptions.options.lean) == null) {
+        populateOptions.options = populateOptions.options || {};
+        populateOptions.options.lean = lean;
+      }
+    }
+  }
+
+  if (!utils.isObject(opts.populate)) {
+    opts.populate = {};
+  }
+
+  const pop = opts.populate;
+
+  for (const populateOptions of res) {
+    const path = populateOptions.path;
+    if (pop[path] && pop[path].populate && populateOptions.populate) {
+      populateOptions.populate = pop[path].populate.concat(populateOptions.populate);
+    }
+
+    pop[populateOptions.path] = populateOptions;
+  }
+  return this;
+};
+
+/**
+ * Gets a list of paths to be populated by this query
+ *
+ * #### Example:
+ *
+ *      bookSchema.pre('findOne', function() {
+ *        let keys = this.getPopulatedPaths(); // ['author']
+ *      });
+ *      ...
+ *      Book.findOne({}).populate('author');
+ *
+ * #### Example:
+ *
+ *      // Deep populate
+ *      const q = L1.find().populate({
+ *        path: 'level2',
+ *        populate: { path: 'level3' }
+ *      });
+ *      q.getPopulatedPaths(); // ['level2', 'level2.level3']
+ *
+ * @return {Array} an array of strings representing populated paths
+ * @api public
+ */
+
+Query.prototype.getPopulatedPaths = function getPopulatedPaths() {
+  const obj = this._mongooseOptions.populate || {};
+  const ret = Object.keys(obj);
+  for (const path of Object.keys(obj)) {
+    const pop = obj[path];
+    if (!Array.isArray(pop.populate)) {
+      continue;
+    }
+    _getPopulatedPaths(ret, pop.populate, path + '.');
+  }
+  return ret;
+};
+
+/*!
+ * ignore
+ */
+
+function _getPopulatedPaths(list, arr, prefix) {
+  for (const pop of arr) {
+    list.push(prefix + pop.path);
+    if (!Array.isArray(pop.populate)) {
+      continue;
+    }
+    _getPopulatedPaths(list, pop.populate, prefix + pop.path + '.');
+  }
+}
+
+/**
+ * Casts this query to the schema of `model`
+ *
+ * #### Note:
+ *
+ * If `obj` is present, it is cast instead of this query.
+ *
+ * @param {Model} [model] the model to cast to. If not set, defaults to `this.model`
+ * @param {Object} [obj]
+ * @return {Object}
+ * @api public
+ */
+
+Query.prototype.cast = function(model, obj) {
+  obj || (obj = this._conditions);
+
+  model = model || this.model;
+  const discriminatorKey = model.schema.options.discriminatorKey;
+  if (obj != null &&
+      obj.hasOwnProperty(discriminatorKey)) {
+    model = getDiscriminatorByValue(model.discriminators, obj[discriminatorKey]) || model;
+  }
+
+  const opts = { upsert: this.options && this.options.upsert };
+  if (this.options) {
+    if ('strict' in this.options) {
+      opts.strict = this.options.strict;
+      opts.strictQuery = opts.strict;
+    }
+    if ('strictQuery' in this.options) {
+      opts.strictQuery = this.options.strictQuery;
+    }
+  }
+
+  try {
+    return cast(model.schema, obj, opts, this);
+  } catch (err) {
+    // CastError, assign model
+    if (typeof err.setModel === 'function') {
+      err.setModel(model);
+    }
+    throw err;
+  }
+};
+
+/**
+ * Casts selected field arguments for field selection with mongo 2.2
+ *
+ *     query.select({ ids: { $elemMatch: { $in: [hexString] }})
+ *
+ * @param {Object} fields
+ * @see https://github.com/Automattic/mongoose/issues/1091
+ * @see https://docs.mongodb.org/manual/reference/projection/elemMatch/
+ * @api private
+ */
+
+Query.prototype._castFields = function _castFields(fields) {
+  let selected,
+      elemMatchKeys,
+      keys,
+      key,
+      out,
+      i;
+
+  if (fields) {
+    keys = Object.keys(fields);
+    elemMatchKeys = [];
+    i = keys.length;
+
+    // collect $elemMatch args
+    while (i--) {
+      key = keys[i];
+      if (fields[key].$elemMatch) {
+        selected || (selected = {});
+        selected[key] = fields[key];
+        elemMatchKeys.push(key);
+      }
+    }
+  }
+
+  if (selected) {
+    // they passed $elemMatch, cast em
+    try {
+      out = this.cast(this.model, selected);
+    } catch (err) {
+      return err;
+    }
+
+    // apply the casted field args
+    i = elemMatchKeys.length;
+    while (i--) {
+      key = elemMatchKeys[i];
+      fields[key] = out[key];
+    }
+  }
+
+  return fields;
+};
+
+/**
+ * Applies schematype selected options to this query.
+ * @api private
+ */
+
+Query.prototype._applyPaths = function applyPaths() {
+  this._fields = this._fields || {};
+  helpers.applyPaths(this._fields, this.model.schema);
+
+  let _selectPopulatedPaths = true;
+
+  if ('selectPopulatedPaths' in this.model.base.options) {
+    _selectPopulatedPaths = this.model.base.options.selectPopulatedPaths;
+  }
+  if ('selectPopulatedPaths' in this.model.schema.options) {
+    _selectPopulatedPaths = this.model.schema.options.selectPopulatedPaths;
+  }
+
+  if (_selectPopulatedPaths) {
+    selectPopulatedFields(this._fields, this._userProvidedFields, this._mongooseOptions.populate);
+  }
+};
+
+/**
+ * Returns a wrapper around a [mongodb driver cursor](https://mongodb.github.io/node-mongodb-native/4.9/classes/FindCursor.html).
+ * A QueryCursor exposes a Streams3 interface, as well as a `.next()` function.
+ *
+ * The `.cursor()` function triggers pre find hooks, but **not** post find hooks.
+ *
+ * #### Example:
+ *
+ *     // There are 2 ways to use a cursor. First, as a stream:
+ *     Thing.
+ *       find({ name: /^hello/ }).
+ *       cursor().
+ *       on('data', function(doc) { console.log(doc); }).
+ *       on('end', function() { console.log('Done!'); });
+ *
+ *     // Or you can use `.next()` to manually get the next doc in the stream.
+ *     // `.next()` returns a promise, so you can use promises or callbacks.
+ *     const cursor = Thing.find({ name: /^hello/ }).cursor();
+ *     cursor.next(function(error, doc) {
+ *       console.log(doc);
+ *     });
+ *
+ *     // Because `.next()` returns a promise, you can use co
+ *     // to easily iterate through all documents without loading them
+ *     // all into memory.
+ *     const cursor = Thing.find({ name: /^hello/ }).cursor();
+ *     for (let doc = await cursor.next(); doc != null; doc = await cursor.next()) {
+ *       console.log(doc);
+ *     }
+ *
+ * #### Valid options
+ *
+ *   - `transform`: optional function which accepts a mongoose document. The return value of the function will be emitted on `data` and returned by `.next()`.
+ *
+ * @return {QueryCursor}
+ * @param {Object} [options]
+ * @see QueryCursor /docs/api/querycursor
+ * @api public
+ */
+
+Query.prototype.cursor = function cursor(opts) {
+  this._applyPaths();
+  this._fields = this._castFields(this._fields);
+  this.setOptions({ projection: this._fieldsForExec() });
+  if (opts) {
+    this.setOptions(opts);
+  }
+
+  const options = Object.assign({}, this._optionsForExec(), {
+    projection: this.projection()
+  });
+  try {
+    this.cast(this.model);
+  } catch (err) {
+    return (new QueryCursor(this, options))._markError(err);
+  }
+
+  return new QueryCursor(this, options);
+};
+
+// the rest of these are basically to support older Mongoose syntax with mquery
+
+/**
+ * _DEPRECATED_ Alias of `maxScan`
+ *
+ * @deprecated
+ * @see maxScan #query_Query-maxScan
+ * @method maxscan
+ * @memberOf Query
+ * @instance
+ */
+
+Query.prototype.maxscan = Query.base.maxScan;
+
+/**
+ * Sets the tailable option (for use with capped collections).
+ *
+ * #### Example:
+ *
+ *     query.tailable(); // true
+ *     query.tailable(true);
+ *     query.tailable(false);
+ *
+ *     // Set both `tailable` and `awaitData` options
+ *     query.tailable({ awaitData: true });
+ *
+ * #### Note:
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @param {Boolean} bool defaults to true
+ * @param {Object} [opts] options to set
+ * @param {Boolean} [opts.awaitData] false by default. Set to true to keep the cursor open even if there's no data.
+ * @param {Number} [opts.maxAwaitTimeMS] the maximum amount of time for the server to wait on new documents to satisfy a tailable cursor query. Requires `tailable` and `awaitData` to be true
+ * @see tailable https://docs.mongodb.org/manual/tutorial/create-tailable-cursor/
+ * @api public
+ */
+
+Query.prototype.tailable = function(val, opts) {
+  // we need to support the tailable({ awaitData : true }) as well as the
+  // tailable(true, {awaitData :true}) syntax that mquery does not support
+  if (val != null && typeof val.constructor === 'function' && val.constructor.name === 'Object') {
+    opts = val;
+    val = true;
+  }
+
+  if (val === undefined) {
+    val = true;
+  }
+
+  if (opts && typeof opts === 'object') {
+    for (const key of Object.keys(opts)) {
+      if (key === 'awaitData' || key === 'awaitdata') { // backwards compat, see gh-10875
+        // For backwards compatibility
+        this.options['awaitData'] = !!opts[key];
+      } else {
+        this.options[key] = opts[key];
+      }
+    }
+  }
+
+  return Query.base.tailable.call(this, val);
+};
+
+/**
+ * Declares an intersects query for `geometry()`.
+ *
+ * #### Example:
+ *
+ *     query.where('path').intersects().geometry({
+ *       type: 'LineString',
+ *       coordinates: [[180.0, 11.0], [180, 9.0]]
+ *     });
+ *
+ *     query.where('path').intersects({
+ *       type: 'LineString',
+ *       coordinates: [[180.0, 11.0], [180, 9.0]]
+ *     });
+ *
+ * #### Note:
+ *
+ * **MUST** be used after `where()`.
+ *
+ * #### Note:
+ *
+ * In Mongoose 3.7, `intersects` changed from a getter to a function. If you need the old syntax, use [this](https://github.com/ebensing/mongoose-within).
+ *
+ * @method intersects
+ * @memberOf Query
+ * @instance
+ * @param {Object} [arg]
+ * @return {Query} this
+ * @see $geometry https://docs.mongodb.org/manual/reference/operator/geometry/
+ * @see geoIntersects https://docs.mongodb.org/manual/reference/operator/geoIntersects/
+ * @api public
+ */
+
+/**
+ * Specifies a `$geometry` condition
+ *
+ * #### Example:
+ *
+ *     const polyA = [[[ 10, 20 ], [ 10, 40 ], [ 30, 40 ], [ 30, 20 ]]]
+ *     query.where('loc').within().geometry({ type: 'Polygon', coordinates: polyA })
+ *
+ *     // or
+ *     const polyB = [[ 0, 0 ], [ 1, 1 ]]
+ *     query.where('loc').within().geometry({ type: 'LineString', coordinates: polyB })
+ *
+ *     // or
+ *     const polyC = [ 0, 0 ]
+ *     query.where('loc').within().geometry({ type: 'Point', coordinates: polyC })
+ *
+ *     // or
+ *     query.where('loc').intersects().geometry({ type: 'Point', coordinates: polyC })
+ *
+ * The argument is assigned to the most recent path passed to `where()`.
+ *
+ * #### Note:
+ *
+ * `geometry()` **must** come after either `intersects()` or `within()`.
+ *
+ * The `object` argument must contain `type` and `coordinates` properties.
+ * - type {String}
+ * - coordinates {Array}
+ *
+ * @method geometry
+ * @memberOf Query
+ * @instance
+ * @param {Object} object Must contain a `type` property which is a String and a `coordinates` property which is an Array. See the examples.
+ * @return {Query} this
+ * @see $geometry https://docs.mongodb.org/manual/reference/operator/geometry/
+ * @see Geospatial Support Enhancements https://www.mongodb.com/docs/manual/release-notes/2.4/#geospatial-support-enhancements
+ * @see MongoDB Geospatial Indexing https://www.mongodb.org/display/DOCS/Geospatial+Indexing
+ * @api public
+ */
+
+/**
+ * Specifies a `$near` or `$nearSphere` condition
+ *
+ * These operators return documents sorted by distance.
+ *
+ * #### Example:
+ *
+ *     query.where('loc').near({ center: [10, 10] });
+ *     query.where('loc').near({ center: [10, 10], maxDistance: 5 });
+ *     query.where('loc').near({ center: [10, 10], maxDistance: 5, spherical: true });
+ *     query.near('loc', { center: [10, 10], maxDistance: 5 });
+ *
+ * @method near
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Object} val
+ * @return {Query} this
+ * @see $near https://docs.mongodb.org/manual/reference/operator/near/
+ * @see $nearSphere https://docs.mongodb.org/manual/reference/operator/nearSphere/
+ * @see $maxDistance https://docs.mongodb.org/manual/reference/operator/maxDistance/
+ * @see MongoDB Geospatial Indexing https://www.mongodb.org/display/DOCS/Geospatial+Indexing
+ * @api public
+ */
+
+/**
+ * Overwriting mquery is needed to support a couple different near() forms found in older
+ * versions of mongoose
+ * near([1,1])
+ * near(1,1)
+ * near(field, [1,2])
+ * near(field, 1, 2)
+ * In addition to all of the normal forms supported by mquery
+ *
+ * @method near
+ * @memberOf Query
+ * @instance
+ * @api private
+ */
+
+Query.prototype.near = function() {
+  const params = [];
+  const sphere = this._mongooseOptions.nearSphere;
+
+  // TODO refactor
+
+  if (arguments.length === 1) {
+    if (Array.isArray(arguments[0])) {
+      params.push({ center: arguments[0], spherical: sphere });
+    } else if (typeof arguments[0] === 'string') {
+      // just passing a path
+      params.push(arguments[0]);
+    } else if (utils.isObject(arguments[0])) {
+      if (typeof arguments[0].spherical !== 'boolean') {
+        arguments[0].spherical = sphere;
+      }
+      params.push(arguments[0]);
+    } else {
+      throw new TypeError('invalid argument');
+    }
+  } else if (arguments.length === 2) {
+    if (typeof arguments[0] === 'number' && typeof arguments[1] === 'number') {
+      params.push({ center: [arguments[0], arguments[1]], spherical: sphere });
+    } else if (typeof arguments[0] === 'string' && Array.isArray(arguments[1])) {
+      params.push(arguments[0]);
+      params.push({ center: arguments[1], spherical: sphere });
+    } else if (typeof arguments[0] === 'string' && utils.isObject(arguments[1])) {
+      params.push(arguments[0]);
+      if (typeof arguments[1].spherical !== 'boolean') {
+        arguments[1].spherical = sphere;
+      }
+      params.push(arguments[1]);
+    } else {
+      throw new TypeError('invalid argument');
+    }
+  } else if (arguments.length === 3) {
+    if (typeof arguments[0] === 'string' && typeof arguments[1] === 'number'
+        && typeof arguments[2] === 'number') {
+      params.push(arguments[0]);
+      params.push({ center: [arguments[1], arguments[2]], spherical: sphere });
+    } else {
+      throw new TypeError('invalid argument');
+    }
+  } else {
+    throw new TypeError('invalid argument');
+  }
+
+  return Query.base.near.apply(this, params);
+};
+
+/**
+ * _DEPRECATED_ Specifies a `$nearSphere` condition
+ *
+ * #### Example:
+ *
+ *     query.where('loc').nearSphere({ center: [10, 10], maxDistance: 5 });
+ *
+ * **Deprecated.** Use `query.near()` instead with the `spherical` option set to `true`.
+ *
+ * #### Example:
+ *
+ *     query.where('loc').near({ center: [10, 10], spherical: true });
+ *
+ * @deprecated
+ * @see near() #query_Query-near
+ * @see $near https://docs.mongodb.org/manual/reference/operator/near/
+ * @see $nearSphere https://docs.mongodb.org/manual/reference/operator/nearSphere/
+ * @see $maxDistance https://docs.mongodb.org/manual/reference/operator/maxDistance/
+ */
+
+Query.prototype.nearSphere = function() {
+  this._mongooseOptions.nearSphere = true;
+  this.near.apply(this, arguments);
+  return this;
+};
+
+/**
+ * Returns an asyncIterator for use with [`for/await/of` loops](https://thecodebarbarian.com/getting-started-with-async-iterators-in-node-js)
+ * This function *only* works for `find()` queries.
+ * You do not need to call this function explicitly, the JavaScript runtime
+ * will call it for you.
+ *
+ * #### Example:
+ *
+ *     for await (const doc of Model.aggregate([{ $sort: { name: 1 } }])) {
+ *       console.log(doc.name);
+ *     }
+ *
+ * Node.js 10.x supports async iterators natively without any flags. You can
+ * enable async iterators in Node.js 8.x using the [`--harmony_async_iteration` flag](https://github.com/tc39/proposal-async-iteration/issues/117#issuecomment-346695187).
+ *
+ * **Note:** This function is not if `Symbol.asyncIterator` is undefined. If
+ * `Symbol.asyncIterator` is undefined, that means your Node.js version does not
+ * support async iterators.
+ *
+ * @method Symbol.asyncIterator
+ * @memberOf Query
+ * @instance
+ * @api public
+ */
+
+if (Symbol.asyncIterator != null) {
+  Query.prototype[Symbol.asyncIterator] = function() {
+    return this.cursor().transformNull()._transformForAsyncIterator();
+  };
+}
+
+/**
+ * Specifies a `$polygon` condition
+ *
+ * #### Example:
+ *
+ *     query.where('loc').within().polygon([10, 20], [13, 25], [7, 15]);
+ *     query.polygon('loc', [10, 20], [13, 25], [7, 15]);
+ *
+ * @method polygon
+ * @memberOf Query
+ * @instance
+ * @param {String|Array} [path]
+ * @param {Array|Object} [coordinatePairs...]
+ * @return {Query} this
+ * @see $polygon https://docs.mongodb.org/manual/reference/operator/polygon/
+ * @see MongoDB Geospatial Indexing https://www.mongodb.org/display/DOCS/Geospatial+Indexing
+ * @api public
+ */
+
+/**
+ * Specifies a `$box` condition
+ *
+ * #### Example:
+ *
+ *     const lowerLeft = [40.73083, -73.99756]
+ *     const upperRight= [40.741404,  -73.988135]
+ *
+ *     query.where('loc').within().box(lowerLeft, upperRight)
+ *     query.box({ ll : lowerLeft, ur : upperRight })
+ *
+ * @method box
+ * @memberOf Query
+ * @instance
+ * @see $box https://docs.mongodb.org/manual/reference/operator/box/
+ * @see within() Query#within #query_Query-within
+ * @see MongoDB Geospatial Indexing https://www.mongodb.org/display/DOCS/Geospatial+Indexing
+ * @param {Object|Array<Number>} val1 Lower Left Coordinates OR a object of lower-left(ll) and upper-right(ur) Coordinates
+ * @param {Array<Number>} [val2] Upper Right Coordinates
+ * @return {Query} this
+ * @api public
+ */
+
+/**
+ * this is needed to support the mongoose syntax of:
+ * box(field, { ll : [x,y], ur : [x2,y2] })
+ * box({ ll : [x,y], ur : [x2,y2] })
+ *
+ * @method box
+ * @memberOf Query
+ * @instance
+ * @api private
+ */
+
+Query.prototype.box = function(ll, ur) {
+  if (!Array.isArray(ll) && utils.isObject(ll)) {
+    ur = ll.ur;
+    ll = ll.ll;
+  }
+  return Query.base.box.call(this, ll, ur);
+};
+
+/**
+ * Specifies a `$center` or `$centerSphere` condition.
+ *
+ * #### Example:
+ *
+ *     const area = { center: [50, 50], radius: 10, unique: true }
+ *     query.where('loc').within().circle(area)
+ *     // alternatively
+ *     query.circle('loc', area);
+ *
+ *     // spherical calculations
+ *     const area = { center: [50, 50], radius: 10, unique: true, spherical: true }
+ *     query.where('loc').within().circle(area)
+ *     // alternatively
+ *     query.circle('loc', area);
+ *
+ * @method circle
+ * @memberOf Query
+ * @instance
+ * @param {String} [path]
+ * @param {Object} area
+ * @return {Query} this
+ * @see $center https://docs.mongodb.org/manual/reference/operator/center/
+ * @see $centerSphere https://docs.mongodb.org/manual/reference/operator/centerSphere/
+ * @see $geoWithin https://docs.mongodb.org/manual/reference/operator/geoWithin/
+ * @see MongoDB Geospatial Indexing https://www.mongodb.org/display/DOCS/Geospatial+Indexing
+ * @api public
+ */
+
+/**
+ * _DEPRECATED_ Alias for [circle](#query_Query-circle)
+ *
+ * **Deprecated.** Use [circle](#query_Query-circle) instead.
+ *
+ * @deprecated
+ * @method center
+ * @memberOf Query
+ * @instance
+ * @api public
+ */
+
+Query.prototype.center = Query.base.circle;
+
+/**
+ * _DEPRECATED_ Specifies a `$centerSphere` condition
+ *
+ * **Deprecated.** Use [circle](#query_Query-circle) instead.
+ *
+ * #### Example:
+ *
+ *     const area = { center: [50, 50], radius: 10 };
+ *     query.where('loc').within().centerSphere(area);
+ *
+ * @deprecated
+ * @param {String} [path]
+ * @param {Object} val
+ * @return {Query} this
+ * @see MongoDB Geospatial Indexing https://www.mongodb.org/display/DOCS/Geospatial+Indexing
+ * @see $centerSphere https://docs.mongodb.org/manual/reference/operator/centerSphere/
+ * @api public
+ */
+
+Query.prototype.centerSphere = function() {
+  if (arguments[0] != null && typeof arguments[0].constructor === 'function' && arguments[0].constructor.name === 'Object') {
+    arguments[0].spherical = true;
+  }
+
+  if (arguments[1] != null && typeof arguments[1].constructor === 'function' && arguments[1].constructor.name === 'Object') {
+    arguments[1].spherical = true;
+  }
+
+  Query.base.circle.apply(this, arguments);
+};
+
+/**
+ * Determines if field selection has been made.
+ *
+ * @method selected
+ * @memberOf Query
+ * @instance
+ * @return {Boolean}
+ * @api public
+ */
+
+/**
+ * Determines if inclusive field selection has been made.
+ *
+ *     query.selectedInclusively(); // false
+ *     query.select('name');
+ *     query.selectedInclusively(); // true
+ *
+ * @method selectedInclusively
+ * @memberOf Query
+ * @instance
+ * @return {Boolean}
+ * @api public
+ */
+
+Query.prototype.selectedInclusively = function selectedInclusively() {
+  return isInclusive(this._fields);
+};
+
+/**
+ * Determines if exclusive field selection has been made.
+ *
+ *     query.selectedExclusively(); // false
+ *     query.select('-name');
+ *     query.selectedExclusively(); // true
+ *     query.selectedInclusively(); // false
+ *
+ * @method selectedExclusively
+ * @memberOf Query
+ * @instance
+ * @return {Boolean}
+ * @api public
+ */
+
+Query.prototype.selectedExclusively = function selectedExclusively() {
+  return isExclusive(this._fields);
+};
+
+/**
+ * The model this query is associated with.
+ *
+ * #### Example:
+ *
+ *     const q = MyModel.find();
+ *     q.model === MyModel; // true
+ *
+ * @api public
+ * @property model
+ * @memberOf Query
+ * @instance
+ */
+
+Query.prototype.model;
+
+/*!
+ * Export
+ */
+
+module.exports = Query;
diff --git a/node_modules/mongoose/lib/queryhelpers.js b/node_modules/mongoose/lib/queryhelpers.js
new file mode 100644
index 000000000..4c2e1ce28
--- /dev/null
+++ b/node_modules/mongoose/lib/queryhelpers.js
@@ -0,0 +1,343 @@
+'use strict';
+
+/*!
+ * Module dependencies
+ */
+
+const checkEmbeddedDiscriminatorKeyProjection =
+  require('./helpers/discriminator/checkEmbeddedDiscriminatorKeyProjection');
+const get = require('./helpers/get');
+const getDiscriminatorByValue =
+  require('./helpers/discriminator/getDiscriminatorByValue');
+const isDefiningProjection = require('./helpers/projection/isDefiningProjection');
+const clone = require('./helpers/clone');
+
+/**
+ * Prepare a set of path options for query population.
+ *
+ * @param {Query} query
+ * @param {Object} options
+ * @return {Array}
+ */
+
+exports.preparePopulationOptions = function preparePopulationOptions(query, options) {
+  const _populate = query.options.populate;
+  const pop = Object.keys(_populate).reduce((vals, key) => vals.concat([_populate[key]]), []);
+
+  // lean options should trickle through all queries
+  if (options.lean != null) {
+    pop
+      .filter(p => (p && p.options && p.options.lean) == null)
+      .forEach(makeLean(options.lean));
+  }
+
+  pop.forEach(opts => {
+    opts._localModel = query.model;
+  });
+
+  return pop;
+};
+
+/**
+ * Prepare a set of path options for query population. This is the MongooseQuery
+ * version
+ *
+ * @param {Query} query
+ * @param {Object} options
+ * @return {Array}
+ */
+
+exports.preparePopulationOptionsMQ = function preparePopulationOptionsMQ(query, options) {
+  const _populate = query._mongooseOptions.populate;
+  const pop = Object.keys(_populate).reduce((vals, key) => vals.concat([_populate[key]]), []);
+
+  // lean options should trickle through all queries
+  if (options.lean != null) {
+    pop
+      .filter(p => (p && p.options && p.options.lean) == null)
+      .forEach(makeLean(options.lean));
+  }
+
+  const session = query && query.options && query.options.session || null;
+  if (session != null) {
+    pop.forEach(path => {
+      if (path.options == null) {
+        path.options = { session: session };
+        return;
+      }
+      if (!('session' in path.options)) {
+        path.options.session = session;
+      }
+    });
+  }
+
+  const projection = query._fieldsForExec();
+  pop.forEach(p => {
+    p._queryProjection = projection;
+  });
+  pop.forEach(opts => {
+    opts._localModel = query.model;
+  });
+
+  return pop;
+};
+
+/**
+ * If the document is a mapped discriminator type, it returns a model instance for that type, otherwise,
+ * it returns an instance of the given model.
+ *
+ * @param {Model}  model
+ * @param {Object} doc
+ * @param {Object} fields
+ *
+ * @return {Document}
+ */
+exports.createModel = function createModel(model, doc, fields, userProvidedFields, options) {
+  model.hooks.execPreSync('createModel', doc);
+  const discriminatorMapping = model.schema ?
+    model.schema.discriminatorMapping :
+    null;
+
+  const key = discriminatorMapping && discriminatorMapping.isRoot ?
+    discriminatorMapping.key :
+    null;
+
+  const value = doc[key];
+  if (key && value && model.discriminators) {
+    const discriminator = model.discriminators[value] || getDiscriminatorByValue(model.discriminators, value);
+    if (discriminator) {
+      const _fields = clone(userProvidedFields);
+      exports.applyPaths(_fields, discriminator.schema);
+      return new discriminator(undefined, _fields, true);
+    }
+  }
+
+  const _opts = {
+    skipId: true,
+    isNew: false,
+    willInit: true
+  };
+  if (options != null && 'defaults' in options) {
+    _opts.defaults = options.defaults;
+  }
+  return new model(undefined, fields, _opts);
+};
+
+/*!
+ * ignore
+ */
+
+exports.createModelAndInit = function createModelAndInit(model, doc, fields, userProvidedFields, options, populatedIds, callback) {
+  const initOpts = populatedIds ?
+    { populated: populatedIds } :
+    undefined;
+
+  const casted = exports.createModel(model, doc, fields, userProvidedFields, options);
+  try {
+    casted.$init(doc, initOpts, callback);
+  } catch (error) {
+    callback(error, casted);
+  }
+};
+
+/*!
+ * ignore
+ */
+
+exports.applyPaths = function applyPaths(fields, schema) {
+  // determine if query is selecting or excluding fields
+  let exclude;
+  let keys;
+  let keyIndex;
+
+  if (fields) {
+    keys = Object.keys(fields);
+    keyIndex = keys.length;
+
+    while (keyIndex--) {
+      if (keys[keyIndex][0] === '+') {
+        continue;
+      }
+      const field = fields[keys[keyIndex]];
+      // Skip `$meta` and `$slice`
+      if (!isDefiningProjection(field)) {
+        continue;
+      }
+      exclude = !field;
+      break;
+    }
+  }
+
+  // if selecting, apply default schematype select:true fields
+  // if excluding, apply schematype select:false fields
+
+  const selected = [];
+  const excluded = [];
+  const stack = [];
+
+  analyzeSchema(schema);
+
+  switch (exclude) {
+    case true:
+      for (const fieldName of excluded) {
+        fields[fieldName] = 0;
+      }
+      break;
+    case false:
+      if (schema &&
+          schema.paths['_id'] &&
+          schema.paths['_id'].options &&
+          schema.paths['_id'].options.select === false) {
+        fields._id = 0;
+      }
+
+      for (const fieldName of selected) {
+        fields[fieldName] = fields[fieldName] || 1;
+      }
+      break;
+    case undefined:
+      if (fields == null) {
+        break;
+      }
+      // Any leftover plus paths must in the schema, so delete them (gh-7017)
+      for (const key of Object.keys(fields || {})) {
+        if (key.startsWith('+')) {
+          delete fields[key];
+        }
+      }
+
+      // user didn't specify fields, implies returning all fields.
+      // only need to apply excluded fields and delete any plus paths
+      for (const fieldName of excluded) {
+        if (fields[fieldName] != null) {
+          // Skip applying default projections to fields with non-defining
+          // projections, like `$slice`
+          continue;
+        }
+        fields[fieldName] = 0;
+      }
+      break;
+  }
+
+  function analyzeSchema(schema, prefix) {
+    prefix || (prefix = '');
+
+    // avoid recursion
+    if (stack.indexOf(schema) !== -1) {
+      return [];
+    }
+    stack.push(schema);
+
+    const addedPaths = [];
+    schema.eachPath(function(path, type) {
+      if (prefix) path = prefix + '.' + path;
+      if (type.$isSchemaMap || path.endsWith('.$*')) {
+        return;
+      }
+      let addedPath = analyzePath(path, type);
+      // arrays
+      if (addedPath == null && !Array.isArray(type) && type.$isMongooseArray && !type.$isMongooseDocumentArray) {
+        addedPath = analyzePath(path, type.caster);
+      }
+      if (addedPath != null) {
+        addedPaths.push(addedPath);
+      }
+
+      // nested schemas
+      if (type.schema) {
+        const _addedPaths = analyzeSchema(type.schema, path);
+
+        // Special case: if discriminator key is the only field that would
+        // be projected in, remove it.
+        if (exclude === false) {
+          checkEmbeddedDiscriminatorKeyProjection(fields, path, type.schema,
+            selected, _addedPaths);
+        }
+      }
+    });
+    stack.pop();
+    return addedPaths;
+  }
+
+  function analyzePath(path, type) {
+    const plusPath = '+' + path;
+    const hasPlusPath = fields && plusPath in fields;
+    if (hasPlusPath) {
+      // forced inclusion
+      delete fields[plusPath];
+    }
+
+    if (typeof type.selected !== 'boolean') {
+      return;
+    }
+
+    // If set to 0, we're explicitly excluding the discriminator key. Can't do this for all fields,
+    // because we have tests that assert that using `-path` to exclude schema-level `select: true`
+    // fields counts as an exclusive projection. See gh-11546
+    if (exclude && type.selected && path === schema.options.discriminatorKey && fields[path] != null && !fields[path]) {
+      delete fields[path];
+      return;
+    }
+
+    if (hasPlusPath) {
+      // forced inclusion
+      delete fields[plusPath];
+
+      // if there are other fields being included, add this one
+      // if no other included fields, leave this out (implied inclusion)
+      if (exclude === false && keys.length > 1 && !~keys.indexOf(path)) {
+        fields[path] = 1;
+      }
+
+      return;
+    }
+
+    // check for parent exclusions
+    const pieces = path.split('.');
+    let cur = '';
+    for (let i = 0; i < pieces.length; ++i) {
+      cur += cur.length ? '.' + pieces[i] : pieces[i];
+      if (excluded.indexOf(cur) !== -1) {
+        return;
+      }
+    }
+
+    // Special case: if user has included a parent path of a discriminator key,
+    // don't explicitly project in the discriminator key because that will
+    // project out everything else under the parent path
+    if (!exclude && (type && type.options && type.options.$skipDiscriminatorCheck || false)) {
+      let cur = '';
+      for (let i = 0; i < pieces.length; ++i) {
+        cur += (cur.length === 0 ? '' : '.') + pieces[i];
+        const projection = get(fields, cur, false) || get(fields, cur + '.$', false);
+        if (projection && typeof projection !== 'object') {
+          return;
+        }
+      }
+    }
+
+    (type.selected ? selected : excluded).push(path);
+    return path;
+  }
+};
+
+/**
+ * Set each path query option to lean
+ *
+ * @param {Object} option
+ */
+
+function makeLean(val) {
+  return function(option) {
+    option.options || (option.options = {});
+
+    if (val != null && Array.isArray(val.virtuals)) {
+      val = Object.assign({}, val);
+      val.virtuals = val.virtuals.
+        filter(path => typeof path === 'string' && path.startsWith(option.path + '.')).
+        map(path => path.slice(option.path.length + 1));
+    }
+
+    option.options.lean = val;
+  };
+}
diff --git a/node_modules/mongoose/lib/schema.js b/node_modules/mongoose/lib/schema.js
new file mode 100644
index 000000000..b2837e6e8
--- /dev/null
+++ b/node_modules/mongoose/lib/schema.js
@@ -0,0 +1,2488 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const EventEmitter = require('events').EventEmitter;
+const Kareem = require('kareem');
+const MongooseError = require('./error/mongooseError');
+const SchemaType = require('./schematype');
+const SchemaTypeOptions = require('./options/SchemaTypeOptions');
+const VirtualOptions = require('./options/VirtualOptions');
+const VirtualType = require('./virtualtype');
+const addAutoId = require('./helpers/schema/addAutoId');
+const get = require('./helpers/get');
+const getConstructorName = require('./helpers/getConstructorName');
+const getIndexes = require('./helpers/schema/getIndexes');
+const idGetter = require('./helpers/schema/idGetter');
+const merge = require('./helpers/schema/merge');
+const mpath = require('mpath');
+const readPref = require('./driver').get().ReadPreference;
+const setupTimestamps = require('./helpers/timestamps/setupTimestamps');
+const utils = require('./utils');
+const validateRef = require('./helpers/populate/validateRef');
+const util = require('util');
+
+let MongooseTypes;
+
+const queryHooks = require('./helpers/query/applyQueryMiddleware').
+  middlewareFunctions;
+const documentHooks = require('./helpers/model/applyHooks').middlewareFunctions;
+const hookNames = queryHooks.concat(documentHooks).
+  reduce((s, hook) => s.add(hook), new Set());
+
+const isPOJO = utils.isPOJO;
+
+let id = 0;
+
+/**
+ * Schema constructor.
+ *
+ * #### Example:
+ *
+ *     const child = new Schema({ name: String });
+ *     const schema = new Schema({ name: String, age: Number, children: [child] });
+ *     const Tree = mongoose.model('Tree', schema);
+ *
+ *     // setting schema options
+ *     new Schema({ name: String }, { _id: false, autoIndex: false })
+ *
+ * #### Options:
+ *
+ * - [autoIndex](/docs/guide.html#autoIndex): bool - defaults to null (which means use the connection's autoIndex option)
+ * - [autoCreate](/docs/guide.html#autoCreate): bool - defaults to null (which means use the connection's autoCreate option)
+ * - [bufferCommands](/docs/guide.html#bufferCommands): bool - defaults to true
+ * - [bufferTimeoutMS](/docs/guide.html#bufferTimeoutMS): number - defaults to 10000 (10 seconds). If `bufferCommands` is enabled, the amount of time Mongoose will wait for connectivity to be restablished before erroring out.
+ * - [capped](/docs/guide.html#capped): bool | number | object - defaults to false
+ * - [collection](/docs/guide.html#collection): string - no default
+ * - [discriminatorKey](/docs/guide.html#discriminatorKey): string - defaults to `__t`
+ * - [id](/docs/guide.html#id): bool - defaults to true
+ * - [_id](/docs/guide.html#_id): bool - defaults to true
+ * - [minimize](/docs/guide.html#minimize): bool - controls [document#toObject](#document_Document-toObject) behavior when called manually - defaults to true
+ * - [read](/docs/guide.html#read): string
+ * - [writeConcern](/docs/guide.html#writeConcern): object - defaults to null, use to override [the MongoDB server's default write concern settings](https://docs.mongodb.com/manual/reference/write-concern/)
+ * - [shardKey](/docs/guide.html#shardKey): object - defaults to `null`
+ * - [strict](/docs/guide.html#strict): bool - defaults to true
+ * - [strictQuery](/docs/guide.html#strictQuery): bool - defaults to false
+ * - [toJSON](/docs/guide.html#toJSON) - object - no default
+ * - [toObject](/docs/guide.html#toObject) - object - no default
+ * - [typeKey](/docs/guide.html#typeKey) - string - defaults to 'type'
+ * - [validateBeforeSave](/docs/guide.html#validateBeforeSave) - bool - defaults to `true`
+ * - [versionKey](/docs/guide.html#versionKey): string or object - defaults to "__v"
+ * - [optimisticConcurrency](/docs/guide.html#optimisticConcurrency): bool - defaults to false. Set to true to enable [optimistic concurrency](https://thecodebarbarian.com/whats-new-in-mongoose-5-10-optimistic-concurrency.html).
+ * - [collation](/docs/guide.html#collation): object - defaults to null (which means use no collation)
+ * - [timeseries](/docs/guide.html#timeseries): object - defaults to null (which means this schema's collection won't be a timeseries collection)
+ * - [selectPopulatedPaths](/docs/guide.html#selectPopulatedPaths): boolean - defaults to `true`
+ * - [skipVersioning](/docs/guide.html#skipVersioning): object - paths to exclude from versioning
+ * - [timestamps](/docs/guide.html#timestamps): object or boolean - defaults to `false`. If true, Mongoose adds `createdAt` and `updatedAt` properties to your schema and manages those properties for you.
+ * - [pluginTags](/docs/guide.html#pluginTags): array of strings - defaults to `undefined`. If set and plugin called with `tags` option, will only apply that plugin to schemas with a matching tag.
+ *
+ * #### Options for Nested Schemas:
+ *
+ * - `excludeIndexes`: bool - defaults to `false`. If `true`, skip building indexes on this schema's paths.
+ *
+ * #### Note:
+ *
+ * _When nesting schemas, (`children` in the example above), always declare the child schema first before passing it into its parent._
+ *
+ * @param {Object|Schema|Array} [definition] Can be one of: object describing schema paths, or schema to copy, or array of objects and schemas
+ * @param {Object} [options]
+ * @inherits NodeJS EventEmitter https://nodejs.org/api/events.html#class-eventemitter
+ * @event `init`: Emitted after the schema is compiled into a `Model`.
+ * @api public
+ */
+
+function Schema(obj, options) {
+  if (!(this instanceof Schema)) {
+    return new Schema(obj, options);
+  }
+
+  this.obj = obj;
+  this.paths = {};
+  this.aliases = {};
+  this.subpaths = {};
+  this.virtuals = {};
+  this.singleNestedPaths = {};
+  this.nested = {};
+  this.inherits = {};
+  this.callQueue = [];
+  this._indexes = [];
+  this.methods = (options && options.methods) || {};
+  this.methodOptions = {};
+  this.statics = (options && options.statics) || {};
+  this.tree = {};
+  this.query = (options && options.query) || {};
+  this.childSchemas = [];
+  this.plugins = [];
+  // For internal debugging. Do not use this to try to save a schema in MDB.
+  this.$id = ++id;
+  this.mapPaths = [];
+
+  this.s = {
+    hooks: new Kareem()
+  };
+  this.options = this.defaultOptions(options);
+
+  // build paths
+  if (Array.isArray(obj)) {
+    for (const definition of obj) {
+      this.add(definition);
+    }
+  } else if (obj) {
+    this.add(obj);
+  }
+
+  // build virtual paths
+  if (options && options.virtuals) {
+    const virtuals = options.virtuals;
+    const pathNames = Object.keys(virtuals);
+    for (const pathName of pathNames) {
+      const pathOptions = virtuals[pathName].options ? virtuals[pathName].options : undefined;
+      const virtual = this.virtual(pathName, pathOptions);
+
+      if (virtuals[pathName].get) {
+        virtual.get(virtuals[pathName].get);
+      }
+
+      if (virtuals[pathName].set) {
+        virtual.set(virtuals[pathName].set);
+      }
+    }
+  }
+
+  // check if _id's value is a subdocument (gh-2276)
+  const _idSubDoc = obj && obj._id && utils.isObject(obj._id);
+
+  // ensure the documents get an auto _id unless disabled
+  const auto_id = !this.paths['_id'] &&
+      (this.options._id) && !_idSubDoc;
+
+  if (auto_id) {
+    addAutoId(this);
+  }
+
+  this.setupTimestamp(this.options.timestamps);
+}
+
+/**
+ * Create virtual properties with alias field
+ * @api private
+ */
+function aliasFields(schema, paths) {
+  paths = paths || Object.keys(schema.paths);
+  for (const path of paths) {
+    const options = get(schema.paths[path], 'options');
+    if (options == null) {
+      continue;
+    }
+
+    const prop = schema.paths[path].path;
+    const alias = options.alias;
+
+    if (!alias) {
+      continue;
+    }
+
+    if (typeof alias !== 'string') {
+      throw new Error('Invalid value for alias option on ' + prop + ', got ' + alias);
+    }
+
+    schema.aliases[alias] = prop;
+
+    schema.
+      virtual(alias).
+      get((function(p) {
+        return function() {
+          if (typeof this.get === 'function') {
+            return this.get(p);
+          }
+          return this[p];
+        };
+      })(prop)).
+      set((function(p) {
+        return function(v) {
+          return this.$set(p, v);
+        };
+      })(prop));
+  }
+}
+
+/*!
+ * Inherit from EventEmitter.
+ */
+Schema.prototype = Object.create(EventEmitter.prototype);
+Schema.prototype.constructor = Schema;
+Schema.prototype.instanceOfSchema = true;
+
+/*!
+ * ignore
+ */
+
+Object.defineProperty(Schema.prototype, '$schemaType', {
+  configurable: false,
+  enumerable: false,
+  writable: true
+});
+
+/**
+ * Array of child schemas (from document arrays and single nested subdocs)
+ * and their corresponding compiled models. Each element of the array is
+ * an object with 2 properties: `schema` and `model`.
+ *
+ * This property is typically only useful for plugin authors and advanced users.
+ * You do not need to interact with this property at all to use mongoose.
+ *
+ * @api public
+ * @property childSchemas
+ * @memberOf Schema
+ * @instance
+ */
+
+Object.defineProperty(Schema.prototype, 'childSchemas', {
+  configurable: false,
+  enumerable: true,
+  writable: true
+});
+
+/**
+ * Object containing all virtuals defined on this schema.
+ * The objects' keys are the virtual paths and values are instances of `VirtualType`.
+ *
+ * This property is typically only useful for plugin authors and advanced users.
+ * You do not need to interact with this property at all to use mongoose.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({});
+ *     schema.virtual('answer').get(() => 42);
+ *
+ *     console.log(schema.virtuals); // { answer: VirtualType { path: 'answer', ... } }
+ *     console.log(schema.virtuals['answer'].getters[0].call()); // 42
+ *
+ * @api public
+ * @property virtuals
+ * @memberOf Schema
+ * @instance
+ */
+
+Object.defineProperty(Schema.prototype, 'virtuals', {
+  configurable: false,
+  enumerable: true,
+  writable: true
+});
+
+/**
+ * The original object passed to the schema constructor
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ a: String }).add({ b: String });
+ *     schema.obj; // { a: String }
+ *
+ * @api public
+ * @property obj
+ * @memberOf Schema
+ * @instance
+ */
+
+Schema.prototype.obj;
+
+/**
+ * The paths defined on this schema. The keys are the top-level paths
+ * in this schema, and the values are instances of the SchemaType class.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ name: String }, { _id: false });
+ *     schema.paths; // { name: SchemaString { ... } }
+ *
+ *     schema.add({ age: Number });
+ *     schema.paths; // { name: SchemaString { ... }, age: SchemaNumber { ... } }
+ *
+ * @api public
+ * @property paths
+ * @memberOf Schema
+ * @instance
+ */
+
+Schema.prototype.paths;
+
+/**
+ * Schema as a tree
+ *
+ * #### Example:
+ *
+ *     {
+ *         '_id'     : ObjectId
+ *       , 'nested'  : {
+ *             'key' : String
+ *         }
+ *     }
+ *
+ * @api private
+ * @property tree
+ * @memberOf Schema
+ * @instance
+ */
+
+Schema.prototype.tree;
+
+/**
+ * Returns a deep copy of the schema
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ name: String });
+ *     const clone = schema.clone();
+ *     clone === schema; // false
+ *     clone.path('name'); // SchemaString { ... }
+ *
+ * @return {Schema} the cloned schema
+ * @api public
+ * @memberOf Schema
+ * @instance
+ */
+
+Schema.prototype.clone = function() {
+  const s = this._clone();
+
+  // Bubble up `init` for backwards compat
+  s.on('init', v => this.emit('init', v));
+
+  return s;
+};
+
+/*!
+ * ignore
+ */
+
+Schema.prototype._clone = function _clone(Constructor) {
+  Constructor = Constructor || (this.base == null ? Schema : this.base.Schema);
+
+  const s = new Constructor({}, this._userProvidedOptions);
+  s.base = this.base;
+  s.obj = this.obj;
+  s.options = utils.clone(this.options);
+  s.callQueue = this.callQueue.map(function(f) { return f; });
+  s.methods = utils.clone(this.methods);
+  s.methodOptions = utils.clone(this.methodOptions);
+  s.statics = utils.clone(this.statics);
+  s.query = utils.clone(this.query);
+  s.plugins = Array.prototype.slice.call(this.plugins);
+  s._indexes = utils.clone(this._indexes);
+  s.s.hooks = this.s.hooks.clone();
+
+  s.tree = utils.clone(this.tree);
+  s.paths = utils.clone(this.paths);
+  s.nested = utils.clone(this.nested);
+  s.subpaths = utils.clone(this.subpaths);
+  s.singleNestedPaths = utils.clone(this.singleNestedPaths);
+  s.childSchemas = gatherChildSchemas(s);
+
+  s.virtuals = utils.clone(this.virtuals);
+  s.$globalPluginsApplied = this.$globalPluginsApplied;
+  s.$isRootDiscriminator = this.$isRootDiscriminator;
+  s.$implicitlyCreated = this.$implicitlyCreated;
+  s.$id = ++id;
+  s.$originalSchemaId = this.$id;
+  s.mapPaths = [].concat(this.mapPaths);
+
+  if (this.discriminatorMapping != null) {
+    s.discriminatorMapping = Object.assign({}, this.discriminatorMapping);
+  }
+  if (this.discriminators != null) {
+    s.discriminators = Object.assign({}, this.discriminators);
+  }
+  if (this._applyDiscriminators != null) {
+    s._applyDiscriminators = Object.assign({}, this._applyDiscriminators);
+  }
+
+  s.aliases = Object.assign({}, this.aliases);
+
+  return s;
+};
+
+/**
+ * Returns a new schema that has the picked `paths` from this schema.
+ *
+ * This method is analagous to [Lodash's `pick()` function](https://lodash.com/docs/4.17.15#pick) for Mongoose schemas.
+ *
+ * #### Example:
+ *
+ *     const schema = Schema({ name: String, age: Number });
+ *     // Creates a new schema with the same `name` path as `schema`,
+ *     // but no `age` path.
+ *     const newSchema = schema.pick(['name']);
+ *
+ *     newSchema.path('name'); // SchemaString { ... }
+ *     newSchema.path('age'); // undefined
+ *
+ * @param {String[]} paths List of Paths to pick for the new Schema
+ * @param {Object} [options] Options to pass to the new Schema Constructor (same as `new Schema(.., Options)`). Defaults to `this.options` if not set.
+ * @return {Schema}
+ * @api public
+ */
+
+Schema.prototype.pick = function(paths, options) {
+  const newSchema = new Schema({}, options || this.options);
+  if (!Array.isArray(paths)) {
+    throw new MongooseError('Schema#pick() only accepts an array argument, ' +
+      'got "' + typeof paths + '"');
+  }
+
+  for (const path of paths) {
+    if (this.nested[path]) {
+      newSchema.add({ [path]: get(this.tree, path) });
+    } else {
+      const schematype = this.path(path);
+      if (schematype == null) {
+        throw new MongooseError('Path `' + path + '` is not in the schema');
+      }
+      newSchema.add({ [path]: schematype });
+    }
+  }
+
+  return newSchema;
+};
+
+/**
+ * Returns default options for this schema, merged with `options`.
+ *
+ * @param {Object} [options] Options to overwrite the default options
+ * @return {Object} The merged options of `options` and the default options
+ * @api private
+ */
+
+Schema.prototype.defaultOptions = function(options) {
+  this._userProvidedOptions = options == null ? {} : utils.clone(options);
+  const baseOptions = this.base && this.base.options || {};
+  const strict = 'strict' in baseOptions ? baseOptions.strict : true;
+  const id = 'id' in baseOptions ? baseOptions.id : true;
+  options = utils.options({
+    strict: strict,
+    strictQuery: 'strict' in this._userProvidedOptions ?
+      this._userProvidedOptions.strict :
+      'strictQuery' in baseOptions ?
+        baseOptions.strictQuery : strict,
+    bufferCommands: true,
+    capped: false, // { size, max, autoIndexId }
+    versionKey: '__v',
+    optimisticConcurrency: false,
+    minimize: true,
+    autoIndex: null,
+    discriminatorKey: '__t',
+    shardKey: null,
+    read: null,
+    validateBeforeSave: true,
+    // the following are only applied at construction time
+    _id: true,
+    id: id,
+    typeKey: 'type'
+  }, utils.clone(options));
+
+  if (options.read) {
+    options.read = readPref(options.read);
+  }
+
+  if (options.versionKey && typeof options.versionKey !== 'string') {
+    throw new MongooseError('`versionKey` must be falsy or string, got `' + (typeof options.versionKey) + '`');
+  }
+
+  if (options.optimisticConcurrency && !options.versionKey) {
+    throw new MongooseError('Must set `versionKey` if using `optimisticConcurrency`');
+  }
+
+  return options;
+};
+
+/**
+ * Inherit a Schema by applying a discriminator on an existing Schema.
+ *
+ *
+ * #### Example:
+ *
+ *     const options = { discriminatorKey: 'kind' };
+ *
+ *     const eventSchema = new mongoose.Schema({ time: Date }, options);
+ *     const Event = mongoose.model('Event', eventSchema);
+ *
+ *     // ClickedLinkEvent is a special type of Event that has
+ *     // a URL.
+ *     const ClickedLinkEvent = Event.discriminator('ClickedLink',
+ *     new mongoose.Schema({ url: String }, options));
+ *
+ *     // When you create a generic event, it can't have a URL field...
+ *     const genericEvent = new Event({ time: Date.now(), url: 'google.com' });
+ *     assert.ok(!genericEvent.url);
+ *     // But a ClickedLinkEvent can
+ *     const clickedEvent = new ClickedLinkEvent({ time: Date.now(), url: 'google.com' });
+ *     assert.ok(clickedEvent.url);
+ *
+ * @param {String} name the name of the discriminator
+ * @param {Schema} schema the Schema of the discriminated Schema
+ * @return {Schema} the Schema instance
+ * @api public
+ */
+
+Schema.prototype.discriminator = function(name, schema) {
+  this._applyDiscriminators = Object.assign(this._applyDiscriminators || {}, { [name]: schema });
+
+  return this;
+};
+
+/**
+ * Adds key path / schema type pairs to this schema.
+ *
+ * #### Example:
+ *
+ *     const ToySchema = new Schema();
+ *     ToySchema.add({ name: 'string', color: 'string', price: 'number' });
+ *
+ *     const TurboManSchema = new Schema();
+ *     // You can also `add()` another schema and copy over all paths, virtuals,
+ *     // getters, setters, indexes, methods, and statics.
+ *     TurboManSchema.add(ToySchema).add({ year: Number });
+ *
+ * @param {Object|Schema} obj plain object with paths to add, or another schema
+ * @param {String} [prefix] path to prefix the newly added paths with
+ * @return {Schema} the Schema instance
+ * @api public
+ */
+
+Schema.prototype.add = function add(obj, prefix) {
+  if (obj instanceof Schema || (obj != null && obj.instanceOfSchema)) {
+    merge(this, obj);
+
+    return this;
+  }
+
+  // Special case: setting top-level `_id` to false should convert to disabling
+  // the `_id` option. This behavior never worked before 5.4.11 but numerous
+  // codebases use it (see gh-7516, gh-7512).
+  if (obj._id === false && prefix == null) {
+    this.options._id = false;
+  }
+
+  prefix = prefix || '';
+  // avoid prototype pollution
+  if (prefix === '__proto__.' || prefix === 'constructor.' || prefix === 'prototype.') {
+    return this;
+  }
+
+  const keys = Object.keys(obj);
+  const typeKey = this.options.typeKey;
+  for (const key of keys) {
+    if (utils.specialProperties.has(key)) {
+      continue;
+    }
+
+    const fullPath = prefix + key;
+    const val = obj[key];
+
+    if (val == null) {
+      throw new TypeError('Invalid value for schema path `' + fullPath +
+        '`, got value "' + val + '"');
+    }
+    // Retain `_id: false` but don't set it as a path, re: gh-8274.
+    if (key === '_id' && val === false) {
+      continue;
+    }
+    if (val instanceof VirtualType || (val.constructor && val.constructor.name || null) === 'VirtualType') {
+      this.virtual(val);
+      continue;
+    }
+
+    if (Array.isArray(val) && val.length === 1 && val[0] == null) {
+      throw new TypeError('Invalid value for schema Array path `' + fullPath +
+        '`, got value "' + val[0] + '"');
+    }
+
+    if (!(isPOJO(val) || val instanceof SchemaTypeOptions)) {
+      // Special-case: Non-options definitely a path so leaf at this node
+      // Examples: Schema instances, SchemaType instances
+      if (prefix) {
+        this.nested[prefix.substring(0, prefix.length - 1)] = true;
+      }
+      this.path(prefix + key, val);
+      if (val[0] != null && !(val[0].instanceOfSchema) && utils.isPOJO(val[0].discriminators)) {
+        const schemaType = this.path(prefix + key);
+        for (const key in val[0].discriminators) {
+          schemaType.discriminator(key, val[0].discriminators[key]);
+        }
+      } else if (val[0] != null && val[0].instanceOfSchema && utils.isPOJO(val[0]._applyDiscriminators)) {
+        const applyDiscriminators = val[0]._applyDiscriminators || [];
+        const schemaType = this.path(prefix + key);
+        for (const disc in applyDiscriminators) {
+          schemaType.discriminator(disc, applyDiscriminators[disc]);
+        }
+      }
+      else if (val != null && val.instanceOfSchema && utils.isPOJO(val._applyDiscriminators)) {
+        const applyDiscriminators = val._applyDiscriminators || [];
+        const schemaType = this.path(prefix + key);
+        for (const disc in applyDiscriminators) {
+          schemaType.discriminator(disc, applyDiscriminators[disc]);
+        }
+      }
+    } else if (Object.keys(val).length < 1) {
+      // Special-case: {} always interpreted as Mixed path so leaf at this node
+      if (prefix) {
+        this.nested[prefix.substring(0, prefix.length - 1)] = true;
+      }
+      this.path(fullPath, val); // mixed type
+    } else if (!val[typeKey] || (typeKey === 'type' && isPOJO(val.type) && val.type.type)) {
+      // Special-case: POJO with no bona-fide type key - interpret as tree of deep paths so recurse
+      // nested object `{ last: { name: String } }`. Avoid functions with `.type` re: #10807 because
+      // NestJS sometimes adds `Date.type`.
+      this.nested[fullPath] = true;
+      this.add(val, fullPath + '.');
+    } else {
+      // There IS a bona-fide type key that may also be a POJO
+      const _typeDef = val[typeKey];
+      if (isPOJO(_typeDef) && Object.keys(_typeDef).length > 0) {
+        // If a POJO is the value of a type key, make it a subdocument
+        if (prefix) {
+          this.nested[prefix.substring(0, prefix.length - 1)] = true;
+        }
+        const _schema = new Schema(_typeDef);
+        const schemaWrappedPath = Object.assign({}, val, { type: _schema });
+        this.path(prefix + key, schemaWrappedPath);
+      } else {
+        // Either the type is non-POJO or we interpret it as Mixed anyway
+        if (prefix) {
+          this.nested[prefix.substring(0, prefix.length - 1)] = true;
+        }
+        this.path(prefix + key, val);
+        if (val != null && !(val.instanceOfSchema) && utils.isPOJO(val.discriminators)) {
+          const schemaType = this.path(prefix + key);
+          for (const key in val.discriminators) {
+            schemaType.discriminator(key, val.discriminators[key]);
+          }
+        }
+      }
+    }
+  }
+
+  const addedKeys = Object.keys(obj).
+    map(key => prefix ? prefix + key : key);
+  aliasFields(this, addedKeys);
+  return this;
+};
+
+/**
+ * Remove an index by name or index specification.
+ *
+ * removeIndex only removes indexes from your schema object. Does **not** affect the indexes
+ * in MongoDB.
+ *
+ * #### Example:
+ *
+ *     const ToySchema = new Schema({ name: String, color: String, price: Number });
+ *
+ *     // Add a new index on { name, color }
+ *     ToySchema.index({ name: 1, color: 1 });
+ *
+ *     // Remove index on { name, color }
+ *     // Keep in mind that order matters! `removeIndex({ color: 1, name: 1 })` won't remove the index
+ *     ToySchema.removeIndex({ name: 1, color: 1 });
+ *
+ *     // Add an index with a custom name
+ *     ToySchema.index({ color: 1 }, { name: 'my custom index name' });
+ *     // Remove index by name
+ *     ToySchema.removeIndex('my custom index name');
+ *
+ * @param {Object|string} index name or index specification
+ * @return {Schema} the Schema instance
+ * @api public
+ */
+
+Schema.prototype.removeIndex = function removeIndex(index) {
+  if (arguments.length > 1) {
+    throw new Error('removeIndex() takes only 1 argument');
+  }
+
+  if (typeof index !== 'object' && typeof index !== 'string') {
+    throw new Error('removeIndex() may only take either an object or a string as an argument');
+  }
+
+  if (typeof index === 'object') {
+    for (let i = this._indexes.length - 1; i >= 0; --i) {
+      if (util.isDeepStrictEqual(this._indexes[i][0], index)) {
+        this._indexes.splice(i, 1);
+      }
+    }
+  } else {
+    for (let i = this._indexes.length - 1; i >= 0; --i) {
+      if (this._indexes[i][1] != null && this._indexes[i][1].name === index) {
+        this._indexes.splice(i, 1);
+      }
+    }
+  }
+
+  return this;
+};
+
+/**
+ * Remove all indexes from this schema.
+ *
+ * clearIndexes only removes indexes from your schema object. Does **not** affect the indexes
+ * in MongoDB.
+ *
+ * #### Example:
+ *
+ *     const ToySchema = new Schema({ name: String, color: String, price: Number });
+ *     ToySchema.index({ name: 1 });
+ *     ToySchema.index({ color: 1 });
+ *
+ *     // Remove all indexes on this schema
+ *     ToySchema.clearIndexes();
+ *
+ *     ToySchema.indexes(); // []
+ *
+ * @return {Schema} the Schema instance
+ * @api public
+ */
+
+Schema.prototype.clearIndexes = function clearIndexes() {
+  this._indexes.length = 0;
+
+  return this;
+};
+
+/**
+ * Reserved document keys.
+ *
+ * Keys in this object are names that are warned in schema declarations
+ * because they have the potential to break Mongoose/ Mongoose plugins functionality. If you create a schema
+ * using `new Schema()` with one of these property names, Mongoose will log a warning.
+ *
+ * - _posts
+ * - _pres
+ * - collection
+  * - emit
+ * - errors
+ * - get
+ * - init
+ * - isModified
+ * - isNew
+ * - listeners
+ * - modelName
+ * - on
+ * - once
+ * - populated
+ * - prototype
+ * - remove
+ * - removeListener
+ * - save
+ * - schema
+ * - toObject
+ * - validate
+ *
+ * _NOTE:_ Use of these terms as method names is permitted, but play at your own risk, as they may be existing mongoose document methods you are stomping on.
+ *
+ *      const schema = new Schema(..);
+ *      schema.methods.init = function () {} // potentially breaking
+ *
+ * @property reserved
+ * @memberOf Schema
+ * @static
+ */
+
+Schema.reserved = Object.create(null);
+Schema.prototype.reserved = Schema.reserved;
+
+const reserved = Schema.reserved;
+// Core object
+reserved['prototype'] =
+// EventEmitter
+reserved.emit =
+reserved.listeners =
+reserved.removeListener =
+
+// document properties and functions
+reserved.collection =
+reserved.errors =
+reserved.get =
+reserved.init =
+reserved.isModified =
+reserved.isNew =
+reserved.populated =
+reserved.remove =
+reserved.save =
+reserved.toObject =
+reserved.validate = 1;
+reserved.collection = 1;
+
+/**
+ * Gets/sets schema paths.
+ *
+ * Sets a path (if arity 2)
+ * Gets a path (if arity 1)
+ *
+ * #### Example:
+ *
+ *     schema.path('name') // returns a SchemaType
+ *     schema.path('name', Number) // changes the schemaType of `name` to Number
+ *
+ * @param {String} path The name of the Path to get / set
+ * @param {Object} [obj] The Type to set the path to, if provided the path will be SET, otherwise the path will be GET
+ * @api public
+ */
+
+Schema.prototype.path = function(path, obj) {
+  // Convert to '.$' to check subpaths re: gh-6405
+  const cleanPath = _pathToPositionalSyntax(path);
+  if (obj === undefined) {
+    let schematype = _getPath(this, path, cleanPath);
+    if (schematype != null) {
+      return schematype;
+    }
+
+    // Look for maps
+    const mapPath = getMapPath(this, path);
+    if (mapPath != null) {
+      return mapPath;
+    }
+
+    // Look if a parent of this path is mixed
+    schematype = this.hasMixedParent(cleanPath);
+    if (schematype != null) {
+      return schematype;
+    }
+
+    // subpaths?
+    return /\.\d+\.?.*$/.test(path)
+      ? getPositionalPath(this, path)
+      : undefined;
+  }
+
+  // some path names conflict with document methods
+  const firstPieceOfPath = path.split('.')[0];
+  if (reserved[firstPieceOfPath] && !this.options.supressReservedKeysWarning) {
+    const errorMessage = `\`${firstPieceOfPath}\` is a reserved schema pathname and may break some functionality. ` +
+      'You are allowed to use it, but use at your own risk. ' +
+      'To disable this warning pass `supressReservedKeysWarning` as a schema option.';
+
+    utils.warn(errorMessage);
+  }
+
+  if (typeof obj === 'object' && utils.hasUserDefinedProperty(obj, 'ref')) {
+    validateRef(obj.ref, path);
+  }
+
+  // update the tree
+  const subpaths = path.split(/\./);
+  const last = subpaths.pop();
+  let branch = this.tree;
+  let fullPath = '';
+
+  for (const sub of subpaths) {
+    if (utils.specialProperties.has(sub)) {
+      throw new Error('Cannot set special property `' + sub + '` on a schema');
+    }
+    fullPath = fullPath += (fullPath.length > 0 ? '.' : '') + sub;
+    if (!branch[sub]) {
+      this.nested[fullPath] = true;
+      branch[sub] = {};
+    }
+    if (typeof branch[sub] !== 'object') {
+      const msg = 'Cannot set nested path `' + path + '`. '
+          + 'Parent path `'
+          + fullPath
+          + '` already set to type ' + branch[sub].name
+          + '.';
+      throw new Error(msg);
+    }
+    branch = branch[sub];
+  }
+
+  branch[last] = utils.clone(obj);
+
+  this.paths[path] = this.interpretAsType(path, obj, this.options);
+  const schemaType = this.paths[path];
+
+  if (schemaType.$isSchemaMap) {
+    // Maps can have arbitrary keys, so `$*` is internal shorthand for "any key"
+    // The '$' is to imply this path should never be stored in MongoDB so we
+    // can easily build a regexp out of this path, and '*' to imply "any key."
+    const mapPath = path + '.$*';
+
+    this.paths[mapPath] = schemaType.$__schemaType;
+    this.mapPaths.push(this.paths[mapPath]);
+  }
+
+  if (schemaType.$isSingleNested) {
+    for (const key of Object.keys(schemaType.schema.paths)) {
+      this.singleNestedPaths[path + '.' + key] = schemaType.schema.paths[key];
+    }
+    for (const key of Object.keys(schemaType.schema.singleNestedPaths)) {
+      this.singleNestedPaths[path + '.' + key] =
+        schemaType.schema.singleNestedPaths[key];
+    }
+    for (const key of Object.keys(schemaType.schema.subpaths)) {
+      this.singleNestedPaths[path + '.' + key] =
+        schemaType.schema.subpaths[key];
+    }
+    for (const key of Object.keys(schemaType.schema.nested)) {
+      this.singleNestedPaths[path + '.' + key] = 'nested';
+    }
+
+    Object.defineProperty(schemaType.schema, 'base', {
+      configurable: true,
+      enumerable: false,
+      writable: false,
+      value: this.base
+    });
+
+    schemaType.caster.base = this.base;
+    this.childSchemas.push({
+      schema: schemaType.schema,
+      model: schemaType.caster
+    });
+  } else if (schemaType.$isMongooseDocumentArray) {
+    Object.defineProperty(schemaType.schema, 'base', {
+      configurable: true,
+      enumerable: false,
+      writable: false,
+      value: this.base
+    });
+
+    schemaType.casterConstructor.base = this.base;
+    this.childSchemas.push({
+      schema: schemaType.schema,
+      model: schemaType.casterConstructor
+    });
+  }
+
+  if (schemaType.$isMongooseArray && schemaType.caster instanceof SchemaType) {
+    let arrayPath = path;
+    let _schemaType = schemaType;
+
+    const toAdd = [];
+    while (_schemaType.$isMongooseArray) {
+      arrayPath = arrayPath + '.$';
+
+      // Skip arrays of document arrays
+      if (_schemaType.$isMongooseDocumentArray) {
+        _schemaType.$embeddedSchemaType._arrayPath = arrayPath;
+        _schemaType.$embeddedSchemaType._arrayParentPath = path;
+        _schemaType = _schemaType.$embeddedSchemaType.clone();
+      } else {
+        _schemaType.caster._arrayPath = arrayPath;
+        _schemaType.caster._arrayParentPath = path;
+        _schemaType = _schemaType.caster.clone();
+      }
+
+      _schemaType.path = arrayPath;
+      toAdd.push(_schemaType);
+    }
+
+    for (const _schemaType of toAdd) {
+      this.subpaths[_schemaType.path] = _schemaType;
+    }
+  }
+
+  if (schemaType.$isMongooseDocumentArray) {
+    for (const key of Object.keys(schemaType.schema.paths)) {
+      const _schemaType = schemaType.schema.paths[key];
+      this.subpaths[path + '.' + key] = _schemaType;
+      if (typeof _schemaType === 'object' && _schemaType != null) {
+        _schemaType.$isUnderneathDocArray = true;
+      }
+    }
+    for (const key of Object.keys(schemaType.schema.subpaths)) {
+      const _schemaType = schemaType.schema.subpaths[key];
+      this.subpaths[path + '.' + key] = _schemaType;
+      if (typeof _schemaType === 'object' && _schemaType != null) {
+        _schemaType.$isUnderneathDocArray = true;
+      }
+    }
+    for (const key of Object.keys(schemaType.schema.singleNestedPaths)) {
+      const _schemaType = schemaType.schema.singleNestedPaths[key];
+      this.subpaths[path + '.' + key] = _schemaType;
+      if (typeof _schemaType === 'object' && _schemaType != null) {
+        _schemaType.$isUnderneathDocArray = true;
+      }
+    }
+  }
+
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+function gatherChildSchemas(schema) {
+  const childSchemas = [];
+
+  for (const path of Object.keys(schema.paths)) {
+    const schematype = schema.paths[path];
+    if (schematype.$isMongooseDocumentArray || schematype.$isSingleNested) {
+      childSchemas.push({ schema: schematype.schema, model: schematype.caster });
+    }
+  }
+
+  return childSchemas;
+}
+
+/*!
+ * ignore
+ */
+
+function _getPath(schema, path, cleanPath) {
+  if (schema.paths.hasOwnProperty(path)) {
+    return schema.paths[path];
+  }
+  if (schema.subpaths.hasOwnProperty(cleanPath)) {
+    return schema.subpaths[cleanPath];
+  }
+  if (schema.singleNestedPaths.hasOwnProperty(cleanPath) && typeof schema.singleNestedPaths[cleanPath] === 'object') {
+    return schema.singleNestedPaths[cleanPath];
+  }
+
+  return null;
+}
+
+/*!
+ * ignore
+ */
+
+function _pathToPositionalSyntax(path) {
+  if (!/\.\d+/.test(path)) {
+    return path;
+  }
+  return path.replace(/\.\d+\./g, '.$.').replace(/\.\d+$/, '.$');
+}
+
+/*!
+ * ignore
+ */
+
+function getMapPath(schema, path) {
+  if (schema.mapPaths.length === 0) {
+    return null;
+  }
+  for (const val of schema.mapPaths) {
+    const _path = val.path;
+    const re = new RegExp('^' + _path.replace(/\.\$\*/g, '\\.[^.]+') + '$');
+    if (re.test(path)) {
+      return schema.paths[_path];
+    }
+  }
+
+  return null;
+}
+
+/**
+ * The Mongoose instance this schema is associated with
+ *
+ * @property base
+ * @api private
+ */
+
+Object.defineProperty(Schema.prototype, 'base', {
+  configurable: true,
+  enumerable: false,
+  writable: true,
+  value: null
+});
+
+/**
+ * Converts type arguments into Mongoose Types.
+ *
+ * @param {String} path
+ * @param {Object} obj constructor
+ * @param {Object} options
+ * @api private
+ */
+
+Schema.prototype.interpretAsType = function(path, obj, options) {
+  if (obj instanceof SchemaType) {
+    if (obj.path === path) {
+      return obj;
+    }
+    const clone = obj.clone();
+    clone.path = path;
+    return clone;
+  }
+
+  // If this schema has an associated Mongoose object, use the Mongoose object's
+  // copy of SchemaTypes re: gh-7158 gh-6933
+  const MongooseTypes = this.base != null ? this.base.Schema.Types : Schema.Types;
+
+  if (!utils.isPOJO(obj) && !(obj instanceof SchemaTypeOptions)) {
+    const constructorName = utils.getFunctionName(obj.constructor);
+    if (constructorName !== 'Object') {
+      const oldObj = obj;
+      obj = {};
+      obj[options.typeKey] = oldObj;
+    }
+  }
+
+  // Get the type making sure to allow keys named "type"
+  // and default to mixed if not specified.
+  // { type: { type: String, default: 'freshcut' } }
+  let type = obj[options.typeKey] && (obj[options.typeKey] instanceof Function || options.typeKey !== 'type' || !obj.type.type)
+    ? obj[options.typeKey]
+    : {};
+  let name;
+
+  if (utils.isPOJO(type) || type === 'mixed') {
+    return new MongooseTypes.Mixed(path, obj);
+  }
+
+  if (Array.isArray(type) || type === Array || type === 'array' || type === MongooseTypes.Array) {
+    // if it was specified through { type } look for `cast`
+    let cast = (type === Array || type === 'array')
+      ? obj.cast || obj.of
+      : type[0];
+
+    // new Schema({ path: [new Schema({ ... })] })
+    if (cast && cast.instanceOfSchema) {
+      if (!(cast instanceof Schema)) {
+        throw new TypeError('Schema for array path `' + path +
+          '` is from a different copy of the Mongoose module. ' +
+          'Please make sure you\'re using the same version ' +
+          'of Mongoose everywhere with `npm list mongoose`. If you are still ' +
+          'getting this error, please add `new Schema()` around the path: ' +
+          `${path}: new Schema(...)`);
+      }
+      return new MongooseTypes.DocumentArray(path, cast, obj);
+    }
+    if (cast &&
+        cast[options.typeKey] &&
+        cast[options.typeKey].instanceOfSchema) {
+      if (!(cast[options.typeKey] instanceof Schema)) {
+        throw new TypeError('Schema for array path `' + path +
+          '` is from a different copy of the Mongoose module. ' +
+          'Please make sure you\'re using the same version ' +
+          'of Mongoose everywhere with `npm list mongoose`. If you are still ' +
+          'getting this error, please add `new Schema()` around the path: ' +
+          `${path}: new Schema(...)`);
+      }
+      return new MongooseTypes.DocumentArray(path, cast[options.typeKey], obj, cast);
+    }
+
+    if (Array.isArray(cast)) {
+      return new MongooseTypes.Array(path, this.interpretAsType(path, cast, options), obj);
+    }
+
+    // Handle both `new Schema({ arr: [{ subpath: String }] })` and `new Schema({ arr: [{ type: { subpath: string } }] })`
+    const castFromTypeKey = (cast != null && cast[options.typeKey] && (options.typeKey !== 'type' || !cast.type.type)) ?
+      cast[options.typeKey] :
+      cast;
+    if (typeof cast === 'string') {
+      cast = MongooseTypes[cast.charAt(0).toUpperCase() + cast.substring(1)];
+    } else if (utils.isPOJO(castFromTypeKey)) {
+      if (Object.keys(castFromTypeKey).length) {
+        // The `minimize` and `typeKey` options propagate to child schemas
+        // declared inline, like `{ arr: [{ val: { $type: String } }] }`.
+        // See gh-3560
+        const childSchemaOptions = { minimize: options.minimize };
+        if (options.typeKey) {
+          childSchemaOptions.typeKey = options.typeKey;
+        }
+        // propagate 'strict' option to child schema
+        if (options.hasOwnProperty('strict')) {
+          childSchemaOptions.strict = options.strict;
+        }
+
+        if (this._userProvidedOptions.hasOwnProperty('_id')) {
+          childSchemaOptions._id = this._userProvidedOptions._id;
+        } else if (Schema.Types.DocumentArray.defaultOptions._id != null) {
+          childSchemaOptions._id = Schema.Types.DocumentArray.defaultOptions._id;
+        }
+        const childSchema = new Schema(castFromTypeKey, childSchemaOptions);
+        childSchema.$implicitlyCreated = true;
+        return new MongooseTypes.DocumentArray(path, childSchema, obj);
+      } else {
+        // Special case: empty object becomes mixed
+        return new MongooseTypes.Array(path, MongooseTypes.Mixed, obj);
+      }
+    }
+
+    if (cast) {
+      type = cast[options.typeKey] && (options.typeKey !== 'type' || !cast.type.type)
+        ? cast[options.typeKey]
+        : cast;
+
+      if (Array.isArray(type)) {
+        return new MongooseTypes.Array(path, this.interpretAsType(path, type, options), obj);
+      }
+
+      name = typeof type === 'string'
+        ? type
+        : type.schemaName || utils.getFunctionName(type);
+
+      // For Jest 26+, see #10296
+      if (name === 'ClockDate') {
+        name = 'Date';
+      }
+
+      if (name === void 0) {
+        throw new TypeError('Invalid schema configuration: ' +
+          `Could not determine the embedded type for array \`${path}\`. ` +
+          'See https://mongoosejs.com/docs/guide.html#definition for more info on supported schema syntaxes.');
+      }
+      if (!MongooseTypes.hasOwnProperty(name)) {
+        throw new TypeError('Invalid schema configuration: ' +
+          `\`${name}\` is not a valid type within the array \`${path}\`.` +
+          'See https://bit.ly/mongoose-schematypes for a list of valid schema types.');
+      }
+    }
+
+    return new MongooseTypes.Array(path, cast || MongooseTypes.Mixed, obj, options);
+  }
+
+  if (type && type.instanceOfSchema) {
+
+    return new MongooseTypes.Subdocument(type, path, obj);
+  }
+
+  if (Buffer.isBuffer(type)) {
+    name = 'Buffer';
+  } else if (typeof type === 'function' || typeof type === 'object') {
+    name = type.schemaName || utils.getFunctionName(type);
+  } else {
+    name = type == null ? '' + type : type.toString();
+  }
+
+  if (name) {
+    name = name.charAt(0).toUpperCase() + name.substring(1);
+  }
+  // Special case re: gh-7049 because the bson `ObjectID` class' capitalization
+  // doesn't line up with Mongoose's.
+  if (name === 'ObjectID') {
+    name = 'ObjectId';
+  }
+  // For Jest 26+, see #10296
+  if (name === 'ClockDate') {
+    name = 'Date';
+  }
+
+  if (name === void 0) {
+    throw new TypeError(`Invalid schema configuration: \`${path}\` schematype definition is ` +
+      'invalid. See ' +
+      'https://mongoosejs.com/docs/guide.html#definition for more info on supported schema syntaxes.');
+  }
+  if (MongooseTypes[name] == null) {
+    throw new TypeError(`Invalid schema configuration: \`${name}\` is not ` +
+      `a valid type at path \`${path}\`. See ` +
+      'https://bit.ly/mongoose-schematypes for a list of valid schema types.');
+  }
+
+  const schemaType = new MongooseTypes[name](path, obj);
+
+  if (schemaType.$isSchemaMap) {
+    createMapNestedSchemaType(this, schemaType, path, obj, options);
+  }
+
+  return schemaType;
+};
+
+/*!
+ * ignore
+ */
+
+function createMapNestedSchemaType(schema, schemaType, path, obj, options) {
+  const mapPath = path + '.$*';
+  let _mapType = { type: {} };
+  if (utils.hasUserDefinedProperty(obj, 'of')) {
+    const isInlineSchema = utils.isPOJO(obj.of) &&
+      Object.keys(obj.of).length > 0 &&
+      !utils.hasUserDefinedProperty(obj.of, schema.options.typeKey);
+    if (isInlineSchema) {
+      _mapType = { [schema.options.typeKey]: new Schema(obj.of) };
+    } else if (utils.isPOJO(obj.of)) {
+      _mapType = Object.assign({}, obj.of);
+    } else {
+      _mapType = { [schema.options.typeKey]: obj.of };
+    }
+
+    if (_mapType[schema.options.typeKey] && _mapType[schema.options.typeKey].instanceOfSchema) {
+      const subdocumentSchema = _mapType[schema.options.typeKey];
+      subdocumentSchema.eachPath((subpath, type) => {
+        if (type.options.select === true || type.options.select === false) {
+          throw new MongooseError('Cannot use schema-level projections (`select: true` or `select: false`) within maps at path "' + path + '.' + subpath + '"');
+        }
+      });
+    }
+
+    if (utils.hasUserDefinedProperty(obj, 'ref')) {
+      _mapType.ref = obj.ref;
+    }
+  }
+  schemaType.$__schemaType = schema.interpretAsType(mapPath, _mapType, options);
+}
+
+/**
+ * Iterates the schemas paths similar to Array#forEach.
+ *
+ * The callback is passed the pathname and the schemaType instance.
+ *
+ * #### Example:
+ *
+ *     const userSchema = new Schema({ name: String, registeredAt: Date });
+ *     userSchema.eachPath((pathname, schematype) => {
+ *       // Prints twice:
+ *       // name SchemaString { ... }
+ *       // registeredAt SchemaDate { ... }
+ *       console.log(pathname, schematype);
+ *     });
+ *
+ * @param {Function} fn callback function
+ * @return {Schema} this
+ * @api public
+ */
+
+Schema.prototype.eachPath = function(fn) {
+  const keys = Object.keys(this.paths);
+  const len = keys.length;
+
+  for (let i = 0; i < len; ++i) {
+    fn(keys[i], this.paths[keys[i]]);
+  }
+
+  return this;
+};
+
+/**
+ * Returns an Array of path strings that are required by this schema.
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({
+ *       name: { type: String, required: true },
+ *       age: { type: String, required: true },
+ *       notes: String
+ *     });
+ *     s.requiredPaths(); // [ 'age', 'name' ]
+ *
+ * @api public
+ * @param {Boolean} invalidate Refresh the cache
+ * @return {Array}
+ */
+
+Schema.prototype.requiredPaths = function requiredPaths(invalidate) {
+  if (this._requiredpaths && !invalidate) {
+    return this._requiredpaths;
+  }
+
+  const paths = Object.keys(this.paths);
+  let i = paths.length;
+  const ret = [];
+
+  while (i--) {
+    const path = paths[i];
+    if (this.paths[path].isRequired) {
+      ret.push(path);
+    }
+  }
+  this._requiredpaths = ret;
+  return this._requiredpaths;
+};
+
+/**
+ * Returns indexes from fields and schema-level indexes (cached).
+ *
+ * @api private
+ * @return {Array}
+ */
+
+Schema.prototype.indexedPaths = function indexedPaths() {
+  if (this._indexedpaths) {
+    return this._indexedpaths;
+  }
+  this._indexedpaths = this.indexes();
+  return this._indexedpaths;
+};
+
+/**
+ * Returns the pathType of `path` for this schema.
+ *
+ * Given a path, returns whether it is a real, virtual, nested, or ad-hoc/undefined path.
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ name: String, nested: { foo: String } });
+ *     s.virtual('foo').get(() => 42);
+ *     s.pathType('name'); // "real"
+ *     s.pathType('nested'); // "nested"
+ *     s.pathType('foo'); // "virtual"
+ *     s.pathType('fail'); // "adhocOrUndefined"
+ *
+ * @param {String} path
+ * @return {String}
+ * @api public
+ */
+
+Schema.prototype.pathType = function(path) {
+  // Convert to '.$' to check subpaths re: gh-6405
+  const cleanPath = _pathToPositionalSyntax(path);
+
+  if (this.paths.hasOwnProperty(path)) {
+    return 'real';
+  }
+  if (this.virtuals.hasOwnProperty(path)) {
+    return 'virtual';
+  }
+  if (this.nested.hasOwnProperty(path)) {
+    return 'nested';
+  }
+  if (this.subpaths.hasOwnProperty(cleanPath) || this.subpaths.hasOwnProperty(path)) {
+    return 'real';
+  }
+
+  const singleNestedPath = this.singleNestedPaths.hasOwnProperty(cleanPath) || this.singleNestedPaths.hasOwnProperty(path);
+  if (singleNestedPath) {
+    return singleNestedPath === 'nested' ? 'nested' : 'real';
+  }
+
+  // Look for maps
+  const mapPath = getMapPath(this, path);
+  if (mapPath != null) {
+    return 'real';
+  }
+
+  if (/\.\d+\.|\.\d+$/.test(path)) {
+    return getPositionalPathType(this, path);
+  }
+  return 'adhocOrUndefined';
+};
+
+/**
+ * Returns true iff this path is a child of a mixed schema.
+ *
+ * @param {String} path
+ * @return {Boolean}
+ * @api private
+ */
+
+Schema.prototype.hasMixedParent = function(path) {
+  const subpaths = path.split(/\./g);
+  path = '';
+  for (let i = 0; i < subpaths.length; ++i) {
+    path = i > 0 ? path + '.' + subpaths[i] : subpaths[i];
+    if (this.paths.hasOwnProperty(path) &&
+        this.paths[path] instanceof MongooseTypes.Mixed) {
+      return this.paths[path];
+    }
+  }
+
+  return null;
+};
+
+/**
+ * Setup updatedAt and createdAt timestamps to documents if enabled
+ *
+ * @param {Boolean|Object} timestamps timestamps options
+ * @api private
+ */
+Schema.prototype.setupTimestamp = function(timestamps) {
+  return setupTimestamps(this, timestamps);
+};
+
+/**
+ * ignore. Deprecated re: #6405
+ * @param {Any} self
+ * @param {String} path
+ * @api private
+ */
+
+function getPositionalPathType(self, path) {
+  const subpaths = path.split(/\.(\d+)\.|\.(\d+)$/).filter(Boolean);
+  if (subpaths.length < 2) {
+    return self.paths.hasOwnProperty(subpaths[0]) ?
+      self.paths[subpaths[0]] :
+      'adhocOrUndefined';
+  }
+
+  let val = self.path(subpaths[0]);
+  let isNested = false;
+  if (!val) {
+    return 'adhocOrUndefined';
+  }
+
+  const last = subpaths.length - 1;
+
+  for (let i = 1; i < subpaths.length; ++i) {
+    isNested = false;
+    const subpath = subpaths[i];
+
+    if (i === last && val && !/\D/.test(subpath)) {
+      if (val.$isMongooseDocumentArray) {
+        val = val.$embeddedSchemaType;
+      } else if (val instanceof MongooseTypes.Array) {
+        // StringSchema, NumberSchema, etc
+        val = val.caster;
+      } else {
+        val = undefined;
+      }
+      break;
+    }
+
+    // ignore if its just a position segment: path.0.subpath
+    if (!/\D/.test(subpath)) {
+      // Nested array
+      if (val instanceof MongooseTypes.Array && i !== last) {
+        val = val.caster;
+      }
+      continue;
+    }
+
+    if (!(val && val.schema)) {
+      val = undefined;
+      break;
+    }
+
+    const type = val.schema.pathType(subpath);
+    isNested = (type === 'nested');
+    val = val.schema.path(subpath);
+  }
+
+  self.subpaths[path] = val;
+  if (val) {
+    return 'real';
+  }
+  if (isNested) {
+    return 'nested';
+  }
+  return 'adhocOrUndefined';
+}
+
+
+/*!
+ * ignore
+ */
+
+function getPositionalPath(self, path) {
+  getPositionalPathType(self, path);
+  return self.subpaths[path];
+}
+
+/**
+ * Adds a method call to the queue.
+ *
+ * #### Example:
+ *
+ *     schema.methods.print = function() { console.log(this); };
+ *     schema.queue('print', []); // Print the doc every one is instantiated
+ *
+ *     const Model = mongoose.model('Test', schema);
+ *     new Model({ name: 'test' }); // Prints '{"_id": ..., "name": "test" }'
+ *
+ * @param {String} name name of the document method to call later
+ * @param {Array} args arguments to pass to the method
+ * @api public
+ */
+
+Schema.prototype.queue = function(name, args) {
+  this.callQueue.push([name, args]);
+  return this;
+};
+
+/**
+ * Defines a pre hook for the model.
+ *
+ * #### Example:
+ *
+ *     const toySchema = new Schema({ name: String, created: Date });
+ *
+ *     toySchema.pre('save', function(next) {
+ *       if (!this.created) this.created = new Date;
+ *       next();
+ *     });
+ *
+ *     toySchema.pre('validate', function(next) {
+ *       if (this.name !== 'Woody') this.name = 'Woody';
+ *       next();
+ *     });
+ *
+ *     // Equivalent to calling `pre()` on `find`, `findOne`, `findOneAndUpdate`.
+ *     toySchema.pre(/^find/, function(next) {
+ *       console.log(this.getFilter());
+ *     });
+ *
+ *     // Equivalent to calling `pre()` on `updateOne`, `findOneAndUpdate`.
+ *     toySchema.pre(['updateOne', 'findOneAndUpdate'], function(next) {
+ *       console.log(this.getFilter());
+ *     });
+ *
+ *     toySchema.pre('deleteOne', function() {
+ *       // Runs when you call `Toy.deleteOne()`
+ *     });
+ *
+ *     toySchema.pre('deleteOne', { document: true }, function() {
+ *       // Runs when you call `doc.deleteOne()`
+ *     });
+ *
+ * @param {String|RegExp|String[]} methodName The method name or regular expression to match method name
+ * @param {Object} [options]
+ * @param {Boolean} [options.document] If `name` is a hook for both document and query middleware, set to `true` to run on document middleware. For example, set `options.document` to `true` to apply this hook to `Document#deleteOne()` rather than `Query#deleteOne()`.
+ * @param {Boolean} [options.query] If `name` is a hook for both document and query middleware, set to `true` to run on query middleware.
+ * @param {Function} callback
+ * @api public
+ */
+
+Schema.prototype.pre = function(name) {
+  if (name instanceof RegExp) {
+    const remainingArgs = Array.prototype.slice.call(arguments, 1);
+    for (const fn of hookNames) {
+      if (name.test(fn)) {
+        this.pre.apply(this, [fn].concat(remainingArgs));
+      }
+    }
+    return this;
+  }
+  if (Array.isArray(name)) {
+    const remainingArgs = Array.prototype.slice.call(arguments, 1);
+    for (const el of name) {
+      this.pre.apply(this, [el].concat(remainingArgs));
+    }
+    return this;
+  }
+  this.s.hooks.pre.apply(this.s.hooks, arguments);
+  return this;
+};
+
+/**
+ * Defines a post hook for the document
+ *
+ *     const schema = new Schema(..);
+ *     schema.post('save', function (doc) {
+ *       console.log('this fired after a document was saved');
+ *     });
+ *
+ *     schema.post('find', function(docs) {
+ *       console.log('this fired after you ran a find query');
+ *     });
+ *
+ *     schema.post(/Many$/, function(res) {
+ *       console.log('this fired after you ran `updateMany()` or `deleteMany()`');
+ *     });
+ *
+ *     const Model = mongoose.model('Model', schema);
+ *
+ *     const m = new Model(..);
+ *     m.save(function(err) {
+ *       console.log('this fires after the `post` hook');
+ *     });
+ *
+ *     m.find(function(err, docs) {
+ *       console.log('this fires after the post find hook');
+ *     });
+ *
+ * @param {String|RegExp|String[]} methodName The method name or regular expression to match method name
+ * @param {Object} [options]
+ * @param {Boolean} [options.document] If `name` is a hook for both document and query middleware, set to `true` to run on document middleware.
+ * @param {Boolean} [options.query] If `name` is a hook for both document and query middleware, set to `true` to run on query middleware.
+ * @param {Function} fn callback
+ * @see middleware https://mongoosejs.com/docs/middleware.html
+ * @see kareem https://npmjs.org/package/kareem
+ * @api public
+ */
+
+Schema.prototype.post = function(name) {
+  if (name instanceof RegExp) {
+    const remainingArgs = Array.prototype.slice.call(arguments, 1);
+    for (const fn of hookNames) {
+      if (name.test(fn)) {
+        this.post.apply(this, [fn].concat(remainingArgs));
+      }
+    }
+    return this;
+  }
+  if (Array.isArray(name)) {
+    const remainingArgs = Array.prototype.slice.call(arguments, 1);
+    for (const el of name) {
+      this.post.apply(this, [el].concat(remainingArgs));
+    }
+    return this;
+  }
+  this.s.hooks.post.apply(this.s.hooks, arguments);
+  return this;
+};
+
+/**
+ * Registers a plugin for this schema.
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ name: String });
+ *     s.plugin(schema => console.log(schema.path('name').path));
+ *     mongoose.model('Test', s); // Prints 'name'
+ *
+ * Or with Options:
+ *
+ *     const s = new Schema({ name: String });
+ *     s.plugin((schema, opts) => console.log(opts.text, schema.path('name').path), { text: "Schema Path Name:" });
+ *     mongoose.model('Test', s); // Prints 'Schema Path Name: name'
+ *
+ * @param {Function} plugin The Plugin's callback
+ * @param {Object} [opts] Options to pass to the plugin
+ * @see plugins /docs/plugins.html
+ * @api public
+ */
+
+Schema.prototype.plugin = function(fn, opts) {
+  if (typeof fn !== 'function') {
+    throw new Error('First param to `schema.plugin()` must be a function, ' +
+      'got "' + (typeof fn) + '"');
+  }
+
+  if (opts && opts.deduplicate) {
+    for (const plugin of this.plugins) {
+      if (plugin.fn === fn) {
+        return this;
+      }
+    }
+  }
+  this.plugins.push({ fn: fn, opts: opts });
+
+  fn(this, opts);
+  return this;
+};
+
+/**
+ * Adds an instance method to documents constructed from Models compiled from this schema.
+ *
+ * #### Example:
+ *
+ *     const schema = kittySchema = new Schema(..);
+ *
+ *     schema.method('meow', function () {
+ *       console.log('meeeeeoooooooooooow');
+ *     })
+ *
+ *     const Kitty = mongoose.model('Kitty', schema);
+ *
+ *     const fizz = new Kitty;
+ *     fizz.meow(); // meeeeeooooooooooooow
+ *
+ * If a hash of name/fn pairs is passed as the only argument, each name/fn pair will be added as methods.
+ *
+ *     schema.method({
+ *         purr: function () {}
+ *       , scratch: function () {}
+ *     });
+ *
+ *     // later
+ *     const fizz = new Kitty;
+ *     fizz.purr();
+ *     fizz.scratch();
+ *
+ * NOTE: `Schema.method()` adds instance methods to the `Schema.methods` object. You can also add instance methods directly to the `Schema.methods` object as seen in the [guide](/docs/guide.html#methods)
+ *
+ * @param {String|Object} name The Method Name for a single function, or a Object of "string-function" pairs.
+ * @param {Function} [fn] The Function in a single-function definition.
+ * @api public
+ */
+
+Schema.prototype.method = function(name, fn, options) {
+  if (typeof name !== 'string') {
+    for (const i in name) {
+      this.methods[i] = name[i];
+      this.methodOptions[i] = utils.clone(options);
+    }
+  } else {
+    this.methods[name] = fn;
+    this.methodOptions[name] = utils.clone(options);
+  }
+  return this;
+};
+
+/**
+ * Adds static "class" methods to Models compiled from this schema.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema(..);
+ *     // Equivalent to `schema.statics.findByName = function(name) {}`;
+ *     schema.static('findByName', function(name) {
+ *       return this.find({ name: name });
+ *     });
+ *
+ *     const Drink = mongoose.model('Drink', schema);
+ *     await Drink.findByName('LaCroix');
+ *
+ * If a hash of name/fn pairs is passed as the only argument, each name/fn pair will be added as methods.
+ *
+ *     schema.static({
+ *         findByName: function () {..}
+ *       , findByCost: function () {..}
+ *     });
+ *
+ *     const Drink = mongoose.model('Drink', schema);
+ *     await Drink.findByName('LaCroix');
+ *     await Drink.findByCost(3);
+ *
+ * If a hash of name/fn pairs is passed as the only argument, each name/fn pair will be added as statics.
+ *
+ * @param {String|Object} name The Method Name for a single function, or a Object of "string-function" pairs.
+ * @param {Function} [fn] The Function in a single-function definition.
+ * @api public
+ * @see Statics /docs/guide.html#statics
+ */
+
+Schema.prototype.static = function(name, fn) {
+  if (typeof name !== 'string') {
+    for (const i in name) {
+      this.statics[i] = name[i];
+    }
+  } else {
+    this.statics[name] = fn;
+  }
+  return this;
+};
+
+/**
+ * Defines an index (most likely compound) for this schema.
+ *
+ * #### Example:
+ *
+ *     schema.index({ first: 1, last: -1 })
+ *
+ * @param {Object} fields The Fields to index, with the order, available values: `1 | -1 | '2d' | '2dsphere' | 'geoHaystack' | 'hashed' | 'text'`
+ * @param {Object} [options] Options to pass to [MongoDB driver's `createIndex()` function](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#createIndex)
+ * @param {String | number} [options.expires=null] Mongoose-specific syntactic sugar, uses [ms](https://www.npmjs.com/package/ms) to convert `expires` option into seconds for the `expireAfterSeconds` in the above link.
+ * @param {String} [options.language_override=null] Tells mongodb to use the specified field instead of `language` for parsing text indexes.
+ * @api public
+ */
+
+Schema.prototype.index = function(fields, options) {
+  fields || (fields = {});
+  options || (options = {});
+
+  if (options.expires) {
+    utils.expires(options);
+  }
+
+  this._indexes.push([fields, options]);
+  return this;
+};
+
+/**
+ * Sets a schema option.
+ *
+ * #### Example:
+ *
+ *     schema.set('strict'); // 'true' by default
+ *     schema.set('strict', false); // Sets 'strict' to false
+ *     schema.set('strict'); // 'false'
+ *
+ * @param {String} key The name of the option to set the value to
+ * @param {Object} [value] The value to set the option to, if not passed, the option will be reset to default
+ * @see Schema #schema_Schema
+ * @api public
+ */
+
+Schema.prototype.set = function(key, value, _tags) {
+  if (arguments.length === 1) {
+    return this.options[key];
+  }
+
+  switch (key) {
+    case 'read':
+      this.options[key] = readPref(value, _tags);
+      this._userProvidedOptions[key] = this.options[key];
+      break;
+    case 'timestamps':
+      this.setupTimestamp(value);
+      this.options[key] = value;
+      this._userProvidedOptions[key] = this.options[key];
+      break;
+    case '_id':
+      this.options[key] = value;
+      this._userProvidedOptions[key] = this.options[key];
+
+      if (value && !this.paths['_id']) {
+        addAutoId(this);
+      } else if (!value && this.paths['_id'] != null && this.paths['_id'].auto) {
+        this.remove('_id');
+      }
+      break;
+    default:
+      this.options[key] = value;
+      this._userProvidedOptions[key] = this.options[key];
+      break;
+  }
+
+  return this;
+};
+
+/**
+ * Gets a schema option.
+ *
+ * #### Example:
+ *
+ *     schema.get('strict'); // true
+ *     schema.set('strict', false);
+ *     schema.get('strict'); // false
+ *
+ * @param {String} key The name of the Option to get the current value for
+ * @api public
+ * @return {Any} the option's value
+ */
+
+Schema.prototype.get = function(key) {
+  return this.options[key];
+};
+
+const indexTypes = '2d 2dsphere hashed text'.split(' ');
+
+/**
+ * The allowed index types
+ *
+ * @property {String[]} indexTypes
+ * @memberOf Schema
+ * @static
+ * @api public
+ */
+
+Object.defineProperty(Schema, 'indexTypes', {
+  get: function() {
+    return indexTypes;
+  },
+  set: function() {
+    throw new Error('Cannot overwrite Schema.indexTypes');
+  }
+});
+
+/**
+ * Returns a list of indexes that this schema declares, via `schema.index()` or by `index: true` in a path's options.
+ * Indexes are expressed as an array `[spec, options]`.
+ *
+ * #### Example:
+ *
+ *     const userSchema = new Schema({
+ *       email: { type: String, required: true, unique: true },
+ *       registeredAt: { type: Date, index: true }
+ *     });
+ *
+ *     // [ [ { email: 1 }, { unique: true, background: true } ],
+ *     //   [ { registeredAt: 1 }, { background: true } ] ]
+ *     userSchema.indexes();
+ *
+ * [Plugins](/docs/plugins.html) can use the return value of this function to modify a schema's indexes.
+ * For example, the below plugin makes every index unique by default.
+ *
+ *     function myPlugin(schema) {
+ *       for (const index of schema.indexes()) {
+ *         if (index[1].unique === undefined) {
+ *           index[1].unique = true;
+ *         }
+ *       }
+ *     }
+ *
+ * @api public
+ * @return {Array} list of indexes defined in the schema
+ */
+
+Schema.prototype.indexes = function() {
+  return getIndexes(this);
+};
+
+/**
+ * Creates a virtual type with the given name.
+ *
+ * @param {String} name The name of the Virtual
+ * @param {Object} [options]
+ * @param {String|Model} [options.ref] model name or model instance. Marks this as a [populate virtual](/docs/populate.html#populate-virtuals).
+ * @param {String|Function} [options.localField] Required for populate virtuals. See [populate virtual docs](/docs/populate.html#populate-virtuals) for more information.
+ * @param {String|Function} [options.foreignField] Required for populate virtuals. See [populate virtual docs](/docs/populate.html#populate-virtuals) for more information.
+ * @param {Boolean|Function} [options.justOne=false] Only works with populate virtuals. If [truthy](https://masteringjs.io/tutorials/fundamentals/truthy), will be a single doc or `null`. Otherwise, the populate virtual will be an array.
+ * @param {Boolean} [options.count=false] Only works with populate virtuals. If [truthy](https://masteringjs.io/tutorials/fundamentals/truthy), this populate virtual will contain the number of documents rather than the documents themselves when you `populate()`.
+ * @param {Function|null} [options.get=null] Adds a [getter](/docs/tutorials/getters-setters.html) to this virtual to transform the populated doc.
+ * @return {VirtualType}
+ */
+
+Schema.prototype.virtual = function(name, options) {
+  if (name instanceof VirtualType || getConstructorName(name) === 'VirtualType') {
+    return this.virtual(name.path, name.options);
+  }
+
+  options = new VirtualOptions(options);
+
+  if (utils.hasUserDefinedProperty(options, ['ref', 'refPath'])) {
+    if (options.localField == null) {
+      throw new Error('Reference virtuals require `localField` option');
+    }
+
+    if (options.foreignField == null) {
+      throw new Error('Reference virtuals require `foreignField` option');
+    }
+
+    this.pre('init', function(obj) {
+      if (mpath.has(name, obj)) {
+        const _v = mpath.get(name, obj);
+        if (!this.$$populatedVirtuals) {
+          this.$$populatedVirtuals = {};
+        }
+
+        if (options.justOne || options.count) {
+          this.$$populatedVirtuals[name] = Array.isArray(_v) ?
+            _v[0] :
+            _v;
+        } else {
+          this.$$populatedVirtuals[name] = Array.isArray(_v) ?
+            _v :
+            _v == null ? [] : [_v];
+        }
+
+        mpath.unset(name, obj);
+      }
+    });
+
+    const virtual = this.virtual(name);
+    virtual.options = options;
+
+    virtual.
+      set(function(_v) {
+        if (!this.$$populatedVirtuals) {
+          this.$$populatedVirtuals = {};
+        }
+
+        if (options.justOne || options.count) {
+          this.$$populatedVirtuals[name] = Array.isArray(_v) ?
+            _v[0] :
+            _v;
+
+          if (typeof this.$$populatedVirtuals[name] !== 'object') {
+            this.$$populatedVirtuals[name] = options.count ? _v : null;
+          }
+        } else {
+          this.$$populatedVirtuals[name] = Array.isArray(_v) ?
+            _v :
+            _v == null ? [] : [_v];
+
+          this.$$populatedVirtuals[name] = this.$$populatedVirtuals[name].filter(function(doc) {
+            return doc && typeof doc === 'object';
+          });
+        }
+      });
+
+    if (typeof options.get === 'function') {
+      virtual.get(options.get);
+    }
+
+    // Workaround for gh-8198: if virtual is under document array, make a fake
+    // virtual. See gh-8210
+    const parts = name.split('.');
+    let cur = parts[0];
+    for (let i = 0; i < parts.length - 1; ++i) {
+      if (this.paths[cur] != null && this.paths[cur].$isMongooseDocumentArray) {
+        const remnant = parts.slice(i + 1).join('.');
+        this.paths[cur].schema.virtual(remnant, options);
+        break;
+      }
+
+      cur += '.' + parts[i + 1];
+    }
+
+    return virtual;
+  }
+
+  const virtuals = this.virtuals;
+  const parts = name.split('.');
+
+  if (this.pathType(name) === 'real') {
+    throw new Error('Virtual path "' + name + '"' +
+      ' conflicts with a real path in the schema');
+  }
+
+  virtuals[name] = parts.reduce(function(mem, part, i) {
+    mem[part] || (mem[part] = (i === parts.length - 1)
+      ? new VirtualType(options, name)
+      : {});
+    return mem[part];
+  }, this.tree);
+
+  return virtuals[name];
+};
+
+/**
+ * Returns the virtual type with the given `name`.
+ *
+ * @param {String} name The name of the Virtual to get
+ * @return {VirtualType|null}
+ */
+
+Schema.prototype.virtualpath = function(name) {
+  return this.virtuals.hasOwnProperty(name) ? this.virtuals[name] : null;
+};
+
+/**
+ * Removes the given `path` (or [`paths`]).
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ name: String, age: Number });
+ *     schema.remove('name');
+ *     schema.path('name'); // Undefined
+ *     schema.path('age'); // SchemaNumber { ... }
+ *
+ * Or as a Array:
+ *
+ *     schema.remove(['name', 'age']);
+ *     schema.path('name'); // Undefined
+ *     schema.path('age'); // Undefined
+ *
+ * @param {String|Array} path The Path(s) to remove
+ * @return {Schema} the Schema instance
+ * @api public
+ */
+Schema.prototype.remove = function(path) {
+  if (typeof path === 'string') {
+    path = [path];
+  }
+  if (Array.isArray(path)) {
+    path.forEach(function(name) {
+      if (this.path(name) == null && !this.nested[name]) {
+        return;
+      }
+      if (this.nested[name]) {
+        const allKeys = Object.keys(this.paths).
+          concat(Object.keys(this.nested));
+        for (const path of allKeys) {
+          if (path.startsWith(name + '.')) {
+            delete this.paths[path];
+            delete this.nested[path];
+            _deletePath(this, path);
+          }
+        }
+
+        delete this.nested[name];
+        _deletePath(this, name);
+        return;
+      }
+
+      delete this.paths[name];
+      _deletePath(this, name);
+    }, this);
+  }
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+function _deletePath(schema, name) {
+  const pieces = name.split('.');
+  const last = pieces.pop();
+
+  let branch = schema.tree;
+
+  for (const piece of pieces) {
+    branch = branch[piece];
+  }
+
+  delete branch[last];
+}
+
+/**
+ * Loads an ES6 class into a schema. Maps [setters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/set) + [getters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/get), [static methods](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/static),
+ * and [instance methods](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes#Class_body_and_method_definitions)
+ * to schema [virtuals](/docs/guide.html#virtuals),
+ * [statics](/docs/guide.html#statics), and
+ * [methods](/docs/guide.html#methods).
+ *
+ * #### Example:
+ *
+ * ```javascript
+ * const md5 = require('md5');
+ * const userSchema = new Schema({ email: String });
+ * class UserClass {
+ *   // `gravatarImage` becomes a virtual
+ *   get gravatarImage() {
+ *     const hash = md5(this.email.toLowerCase());
+ *     return `https://www.gravatar.com/avatar/${hash}`;
+ *   }
+ *
+ *   // `getProfileUrl()` becomes a document method
+ *   getProfileUrl() {
+ *     return `https://mysite.com/${this.email}`;
+ *   }
+ *
+ *   // `findByEmail()` becomes a static
+ *   static findByEmail(email) {
+ *     return this.findOne({ email });
+ *   }
+ * }
+ *
+ * // `schema` will now have a `gravatarImage` virtual, a `getProfileUrl()` method,
+ * // and a `findByEmail()` static
+ * userSchema.loadClass(UserClass);
+ * ```
+ *
+ * @param {Function} model The Class to load
+ * @param {Boolean} [virtualsOnly] if truthy, only pulls virtuals from the class, not methods or statics
+ */
+Schema.prototype.loadClass = function(model, virtualsOnly) {
+  if (model === Object.prototype ||
+      model === Function.prototype ||
+      model.prototype.hasOwnProperty('$isMongooseModelPrototype')) {
+    return this;
+  }
+
+  this.loadClass(Object.getPrototypeOf(model), virtualsOnly);
+
+  // Add static methods
+  if (!virtualsOnly) {
+    Object.getOwnPropertyNames(model).forEach(function(name) {
+      if (name.match(/^(length|name|prototype|constructor|__proto__)$/)) {
+        return;
+      }
+      const prop = Object.getOwnPropertyDescriptor(model, name);
+      if (prop.hasOwnProperty('value')) {
+        this.static(name, prop.value);
+      }
+    }, this);
+  }
+
+  // Add methods and virtuals
+  Object.getOwnPropertyNames(model.prototype).forEach(function(name) {
+    if (name.match(/^(constructor)$/)) {
+      return;
+    }
+    const method = Object.getOwnPropertyDescriptor(model.prototype, name);
+    if (!virtualsOnly) {
+      if (typeof method.value === 'function') {
+        this.method(name, method.value);
+      }
+    }
+    if (typeof method.get === 'function') {
+      if (this.virtuals[name]) {
+        this.virtuals[name].getters = [];
+      }
+      this.virtual(name).get(method.get);
+    }
+    if (typeof method.set === 'function') {
+      if (this.virtuals[name]) {
+        this.virtuals[name].setters = [];
+      }
+      this.virtual(name).set(method.set);
+    }
+  }, this);
+
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+Schema.prototype._getSchema = function(path) {
+  const _this = this;
+  const pathschema = _this.path(path);
+  const resultPath = [];
+
+  if (pathschema) {
+    pathschema.$fullPath = path;
+    return pathschema;
+  }
+
+  function search(parts, schema) {
+    let p = parts.length + 1;
+    let foundschema;
+    let trypath;
+
+    while (p--) {
+      trypath = parts.slice(0, p).join('.');
+      foundschema = schema.path(trypath);
+      if (foundschema) {
+        resultPath.push(trypath);
+
+        if (foundschema.caster) {
+          // array of Mixed?
+          if (foundschema.caster instanceof MongooseTypes.Mixed) {
+            foundschema.caster.$fullPath = resultPath.join('.');
+            return foundschema.caster;
+          }
+
+          // Now that we found the array, we need to check if there
+          // are remaining document paths to look up for casting.
+          // Also we need to handle array.$.path since schema.path
+          // doesn't work for that.
+          // If there is no foundschema.schema we are dealing with
+          // a path like array.$
+          if (p !== parts.length) {
+            if (foundschema.schema) {
+              let ret;
+              if (parts[p] === '$' || isArrayFilter(parts[p])) {
+                if (p + 1 === parts.length) {
+                  // comments.$
+                  return foundschema;
+                }
+                // comments.$.comments.$.title
+                ret = search(parts.slice(p + 1), foundschema.schema);
+                if (ret) {
+                  ret.$isUnderneathDocArray = ret.$isUnderneathDocArray ||
+                    !foundschema.schema.$isSingleNested;
+                }
+                return ret;
+              }
+              // this is the last path of the selector
+              ret = search(parts.slice(p), foundschema.schema);
+              if (ret) {
+                ret.$isUnderneathDocArray = ret.$isUnderneathDocArray ||
+                  !foundschema.schema.$isSingleNested;
+              }
+              return ret;
+            }
+          }
+        } else if (foundschema.$isSchemaMap) {
+          if (p >= parts.length) {
+            return foundschema;
+          }
+          // Any path in the map will be an instance of the map's embedded schematype
+          if (p + 1 >= parts.length) {
+            return foundschema.$__schemaType;
+          }
+          const ret = search(parts.slice(p + 1), foundschema.$__schemaType.schema);
+          return ret;
+        }
+
+        foundschema.$fullPath = resultPath.join('.');
+
+        return foundschema;
+      }
+    }
+  }
+
+  // look for arrays
+  const parts = path.split('.');
+  for (let i = 0; i < parts.length; ++i) {
+    if (parts[i] === '$' || isArrayFilter(parts[i])) {
+      // Re: gh-5628, because `schema.path()` doesn't take $ into account.
+      parts[i] = '0';
+    }
+  }
+  return search(parts, _this);
+};
+
+/*!
+ * ignore
+ */
+
+Schema.prototype._getPathType = function(path) {
+  const _this = this;
+  const pathschema = _this.path(path);
+
+  if (pathschema) {
+    return 'real';
+  }
+
+  function search(parts, schema) {
+    let p = parts.length + 1,
+        foundschema,
+        trypath;
+
+    while (p--) {
+      trypath = parts.slice(0, p).join('.');
+      foundschema = schema.path(trypath);
+      if (foundschema) {
+        if (foundschema.caster) {
+          // array of Mixed?
+          if (foundschema.caster instanceof MongooseTypes.Mixed) {
+            return { schema: foundschema, pathType: 'mixed' };
+          }
+
+          // Now that we found the array, we need to check if there
+          // are remaining document paths to look up for casting.
+          // Also we need to handle array.$.path since schema.path
+          // doesn't work for that.
+          // If there is no foundschema.schema we are dealing with
+          // a path like array.$
+          if (p !== parts.length && foundschema.schema) {
+            if (parts[p] === '$' || isArrayFilter(parts[p])) {
+              if (p === parts.length - 1) {
+                return { schema: foundschema, pathType: 'nested' };
+              }
+              // comments.$.comments.$.title
+              return search(parts.slice(p + 1), foundschema.schema);
+            }
+            // this is the last path of the selector
+            return search(parts.slice(p), foundschema.schema);
+          }
+          return {
+            schema: foundschema,
+            pathType: foundschema.$isSingleNested ? 'nested' : 'array'
+          };
+        }
+        return { schema: foundschema, pathType: 'real' };
+      } else if (p === parts.length && schema.nested[trypath]) {
+        return { schema: schema, pathType: 'nested' };
+      }
+    }
+    return { schema: foundschema || schema, pathType: 'undefined' };
+  }
+
+  // look for arrays
+  return search(path.split('.'), _this);
+};
+
+/*!
+ * ignore
+ */
+
+function isArrayFilter(piece) {
+  return piece.startsWith('$[') && piece.endsWith(']');
+}
+
+/**
+ * Called by `compile()` _right before_ compiling. Good for making any changes to
+ * the schema that should respect options set by plugins, like `id`
+ * @method _preCompile
+ * @memberOf Schema
+ * @instance
+ * @api private
+ */
+
+Schema.prototype._preCompile = function _preCompile() {
+  idGetter(this);
+};
+
+/*!
+ * Module exports.
+ */
+
+module.exports = exports = Schema;
+
+// require down here because of reference issues
+
+/**
+ * The various built-in Mongoose Schema Types.
+ *
+ * #### Example:
+ *
+ *     const mongoose = require('mongoose');
+ *     const ObjectId = mongoose.Schema.Types.ObjectId;
+ *
+ * #### Types:
+ *
+ * - [String](/docs/schematypes.html#strings)
+ * - [Number](/docs/schematypes.html#numbers)
+ * - [Boolean](/docs/schematypes.html#booleans) | Bool
+ * - [Array](/docs/schematypes.html#arrays)
+ * - [Buffer](/docs/schematypes.html#buffers)
+ * - [Date](/docs/schematypes.html#dates)
+ * - [ObjectId](/docs/schematypes.html#objectids) | Oid
+ * - [Mixed](/docs/schematypes.html#mixed)
+ *
+ * Using this exposed access to the `Mixed` SchemaType, we can use them in our schema.
+ *
+ *     const Mixed = mongoose.Schema.Types.Mixed;
+ *     new mongoose.Schema({ _user: Mixed })
+ *
+ * @api public
+ */
+
+Schema.Types = MongooseTypes = require('./schema/index');
+
+/*!
+ * ignore
+ */
+
+exports.ObjectId = MongooseTypes.ObjectId;
diff --git a/node_modules/mongoose/lib/schema/SubdocumentPath.js b/node_modules/mongoose/lib/schema/SubdocumentPath.js
new file mode 100644
index 000000000..e748d6a50
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/SubdocumentPath.js
@@ -0,0 +1,366 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const CastError = require('../error/cast');
+const EventEmitter = require('events').EventEmitter;
+const ObjectExpectedError = require('../error/objectExpected');
+const SchemaSubdocumentOptions = require('../options/SchemaSubdocumentOptions');
+const SchemaType = require('../schematype');
+const applyDefaults = require('../helpers/document/applyDefaults');
+const $exists = require('./operators/exists');
+const castToNumber = require('./operators/helpers').castToNumber;
+const discriminator = require('../helpers/model/discriminator');
+const geospatial = require('./operators/geospatial');
+const getConstructor = require('../helpers/discriminator/getConstructor');
+const handleIdOption = require('../helpers/schema/handleIdOption');
+const internalToObjectOptions = require('../options').internalToObjectOptions;
+const utils = require('../utils');
+
+let Subdocument;
+
+module.exports = SubdocumentPath;
+
+/**
+ * Single nested subdocument SchemaType constructor.
+ *
+ * @param {Schema} schema
+ * @param {String} path
+ * @param {Object} options
+ * @inherits SchemaType
+ * @api public
+ */
+
+function SubdocumentPath(schema, path, options) {
+  const schemaTypeIdOption = SubdocumentPath.defaultOptions &&
+    SubdocumentPath.defaultOptions._id;
+  if (schemaTypeIdOption != null) {
+    options = options || {};
+    options._id = schemaTypeIdOption;
+  }
+
+  schema = handleIdOption(schema, options);
+
+  this.caster = _createConstructor(schema);
+  this.caster.path = path;
+  this.caster.prototype.$basePath = path;
+  this.schema = schema;
+  this.$isSingleNested = true;
+  this.base = schema.base;
+  SchemaType.call(this, path, options, 'Embedded');
+}
+
+/*!
+ * ignore
+ */
+
+SubdocumentPath.prototype = Object.create(SchemaType.prototype);
+SubdocumentPath.prototype.constructor = SubdocumentPath;
+SubdocumentPath.prototype.OptionsConstructor = SchemaSubdocumentOptions;
+
+/*!
+ * ignore
+ */
+
+function _createConstructor(schema, baseClass) {
+  // lazy load
+  Subdocument || (Subdocument = require('../types/subdocument'));
+
+  const _embedded = function SingleNested(value, path, parent) {
+    this.$__parent = parent;
+    Subdocument.apply(this, arguments);
+
+    if (parent == null) {
+      return;
+    }
+    this.$session(parent.$session());
+  };
+
+  schema._preCompile();
+
+  const proto = baseClass != null ? baseClass.prototype : Subdocument.prototype;
+  _embedded.prototype = Object.create(proto);
+  _embedded.prototype.$__setSchema(schema);
+  _embedded.prototype.constructor = _embedded;
+  _embedded.schema = schema;
+  _embedded.$isSingleNested = true;
+  _embedded.events = new EventEmitter();
+  _embedded.prototype.toBSON = function() {
+    return this.toObject(internalToObjectOptions);
+  };
+
+  // apply methods
+  for (const i in schema.methods) {
+    _embedded.prototype[i] = schema.methods[i];
+  }
+
+  // apply statics
+  for (const i in schema.statics) {
+    _embedded[i] = schema.statics[i];
+  }
+
+  for (const i in EventEmitter.prototype) {
+    _embedded[i] = EventEmitter.prototype[i];
+  }
+
+  return _embedded;
+}
+
+/**
+ * Special case for when users use a common location schema to represent
+ * locations for use with $geoWithin.
+ * https://docs.mongodb.org/manual/reference/operator/query/geoWithin/
+ *
+ * @param {Object} val
+ * @api private
+ */
+
+SubdocumentPath.prototype.$conditionalHandlers.$geoWithin = function handle$geoWithin(val) {
+  return { $geometry: this.castForQuery(val.$geometry) };
+};
+
+/*!
+ * ignore
+ */
+
+SubdocumentPath.prototype.$conditionalHandlers.$near =
+SubdocumentPath.prototype.$conditionalHandlers.$nearSphere = geospatial.cast$near;
+
+SubdocumentPath.prototype.$conditionalHandlers.$within =
+SubdocumentPath.prototype.$conditionalHandlers.$geoWithin = geospatial.cast$within;
+
+SubdocumentPath.prototype.$conditionalHandlers.$geoIntersects =
+  geospatial.cast$geoIntersects;
+
+SubdocumentPath.prototype.$conditionalHandlers.$minDistance = castToNumber;
+SubdocumentPath.prototype.$conditionalHandlers.$maxDistance = castToNumber;
+
+SubdocumentPath.prototype.$conditionalHandlers.$exists = $exists;
+
+/**
+ * Casts contents
+ *
+ * @param {Object} value
+ * @api private
+ */
+
+SubdocumentPath.prototype.cast = function(val, doc, init, priorVal, options) {
+  if (val && val.$isSingleNested && val.parent === doc) {
+    return val;
+  }
+
+  if (val != null && (typeof val !== 'object' || Array.isArray(val))) {
+    throw new ObjectExpectedError(this.path, val);
+  }
+
+  const Constructor = getConstructor(this.caster, val);
+
+  let subdoc;
+
+  // Only pull relevant selected paths and pull out the base path
+  const parentSelected = doc && doc.$__ && doc.$__.selected || {};
+  const path = this.path;
+  const selected = Object.keys(parentSelected).reduce((obj, key) => {
+    if (key.startsWith(path + '.')) {
+      obj = obj || {};
+      obj[key.substring(path.length + 1)] = parentSelected[key];
+    }
+    return obj;
+  }, null);
+  options = Object.assign({}, options, { priorDoc: priorVal });
+  if (init) {
+    subdoc = new Constructor(void 0, selected, doc, false, { defaults: false });
+    subdoc.$init(val);
+    applyDefaults(subdoc, selected);
+  } else {
+    if (Object.keys(val).length === 0) {
+      return new Constructor({}, selected, doc, undefined, options);
+    }
+
+    return new Constructor(val, selected, doc, undefined, options);
+  }
+
+  return subdoc;
+};
+
+/**
+ * Casts contents for query
+ *
+ * @param {string} [$conditional] optional query operator (like `$eq` or `$in`)
+ * @param {any} value
+ * @api private
+ */
+
+SubdocumentPath.prototype.castForQuery = function($conditional, val, options) {
+  let handler;
+  if (arguments.length === 2) {
+    handler = this.$conditionalHandlers[$conditional];
+    if (!handler) {
+      throw new Error('Can\'t use ' + $conditional);
+    }
+    return handler.call(this, val);
+  }
+  val = $conditional;
+  if (val == null) {
+    return val;
+  }
+
+  if (this.options.runSetters) {
+    val = this._applySetters(val);
+  }
+
+  const Constructor = getConstructor(this.caster, val);
+  const overrideStrict = options != null && options.strict != null ?
+    options.strict :
+    void 0;
+
+  try {
+    val = new Constructor(val, overrideStrict);
+  } catch (error) {
+    // Make sure we always wrap in a CastError (gh-6803)
+    if (!(error instanceof CastError)) {
+      throw new CastError('Embedded', val, this.path, error, this);
+    }
+    throw error;
+  }
+  return val;
+};
+
+/**
+ * Async validation on this single nested doc.
+ *
+ * @api private
+ */
+
+SubdocumentPath.prototype.doValidate = function(value, fn, scope, options) {
+  const Constructor = getConstructor(this.caster, value);
+
+  if (value && !(value instanceof Constructor)) {
+    value = new Constructor(value, null, (scope != null && scope.$__ != null) ? scope : null);
+  }
+
+  if (options && options.skipSchemaValidators) {
+    if (!value) {
+      return fn(null);
+    }
+    return value.validate(fn);
+  }
+
+  SchemaType.prototype.doValidate.call(this, value, function(error) {
+    if (error) {
+      return fn(error);
+    }
+    if (!value) {
+      return fn(null);
+    }
+
+    value.validate(fn);
+  }, scope, options);
+};
+
+/**
+ * Synchronously validate this single nested doc
+ *
+ * @api private
+ */
+
+SubdocumentPath.prototype.doValidateSync = function(value, scope, options) {
+  if (!options || !options.skipSchemaValidators) {
+    const schemaTypeError = SchemaType.prototype.doValidateSync.call(this, value, scope);
+    if (schemaTypeError) {
+      return schemaTypeError;
+    }
+  }
+  if (!value) {
+    return;
+  }
+  return value.validateSync();
+};
+
+/**
+ * Adds a discriminator to this single nested subdocument.
+ *
+ * #### Example:
+ *
+ *     const shapeSchema = Schema({ name: String }, { discriminatorKey: 'kind' });
+ *     const schema = Schema({ shape: shapeSchema });
+ *
+ *     const singleNestedPath = parentSchema.path('shape');
+ *     singleNestedPath.discriminator('Circle', Schema({ radius: Number }));
+ *
+ * @param {String} name
+ * @param {Schema} schema fields to add to the schema for instances of this sub-class
+ * @param {Object|string} [options] If string, same as `options.value`.
+ * @param {String} [options.value] the string stored in the `discriminatorKey` property. If not specified, Mongoose uses the `name` parameter.
+ * @param {Boolean} [options.clone=true] By default, `discriminator()` clones the given `schema`. Set to `false` to skip cloning.
+ * @return {Function} the constructor Mongoose will use for creating instances of this discriminator model
+ * @see discriminators /docs/discriminators.html
+ * @api public
+ */
+
+SubdocumentPath.prototype.discriminator = function(name, schema, options) {
+  options = options || {};
+  const value = utils.isPOJO(options) ? options.value : options;
+  const clone = typeof options.clone === 'boolean'
+    ? options.clone
+    : true;
+
+  if (schema.instanceOfSchema && clone) {
+    schema = schema.clone();
+  }
+
+  schema = discriminator(this.caster, name, schema, value);
+
+  this.caster.discriminators[name] = _createConstructor(schema, this.caster);
+
+  return this.caster.discriminators[name];
+};
+
+/*!
+ * ignore
+ */
+
+SubdocumentPath.defaultOptions = {};
+
+/**
+ * Sets a default option for all SubdocumentPath instances.
+ *
+ * #### Example:
+ *
+ *     // Make all numbers have option `min` equal to 0.
+ *     mongoose.Schema.SubdocumentPath.set('required', true);
+ *
+ * @param {String} option The option you'd like to set the value for
+ * @param {Any} value value for option
+ * @return {void}
+ * @function set
+ * @static
+ * @api public
+ */
+
+SubdocumentPath.set = SchemaType.set;
+
+/*!
+ * ignore
+ */
+
+SubdocumentPath.prototype.toJSON = function toJSON() {
+  return { path: this.path, options: this.options };
+};
+
+/*!
+ * ignore
+ */
+
+SubdocumentPath.prototype.clone = function() {
+  const options = Object.assign({}, this.options);
+  const schematype = new this.constructor(this.schema, this.path, options);
+  schematype.validators = this.validators.slice();
+  if (this.requiredValidator !== undefined) {
+    schematype.requiredValidator = this.requiredValidator;
+  }
+  schematype.caster.discriminators = Object.assign({}, this.caster.discriminators);
+  return schematype;
+};
diff --git a/node_modules/mongoose/lib/schema/array.js b/node_modules/mongoose/lib/schema/array.js
new file mode 100644
index 000000000..0140fe68a
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/array.js
@@ -0,0 +1,663 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const $exists = require('./operators/exists');
+const $type = require('./operators/type');
+const MongooseError = require('../error/mongooseError');
+const SchemaArrayOptions = require('../options/SchemaArrayOptions');
+const SchemaType = require('../schematype');
+const CastError = SchemaType.CastError;
+const Mixed = require('./mixed');
+const arrayDepth = require('../helpers/arrayDepth');
+const cast = require('../cast');
+const isOperator = require('../helpers/query/isOperator');
+const util = require('util');
+const utils = require('../utils');
+const castToNumber = require('./operators/helpers').castToNumber;
+const geospatial = require('./operators/geospatial');
+const getDiscriminatorByValue = require('../helpers/discriminator/getDiscriminatorByValue');
+
+let MongooseArray;
+let EmbeddedDoc;
+
+const isNestedArraySymbol = Symbol('mongoose#isNestedArray');
+const emptyOpts = Object.freeze({});
+
+/**
+ * Array SchemaType constructor
+ *
+ * @param {String} key
+ * @param {SchemaType} cast
+ * @param {Object} options
+ * @param {Object} schemaOptions
+ * @inherits SchemaType
+ * @api public
+ */
+
+function SchemaArray(key, cast, options, schemaOptions) {
+  // lazy load
+  EmbeddedDoc || (EmbeddedDoc = require('../types').Embedded);
+
+  let typeKey = 'type';
+  if (schemaOptions && schemaOptions.typeKey) {
+    typeKey = schemaOptions.typeKey;
+  }
+  this.schemaOptions = schemaOptions;
+
+  if (cast) {
+    let castOptions = {};
+
+    if (utils.isPOJO(cast)) {
+      if (cast[typeKey]) {
+        // support { type: Woot }
+        castOptions = utils.clone(cast); // do not alter user arguments
+        delete castOptions[typeKey];
+        cast = cast[typeKey];
+      } else {
+        cast = Mixed;
+      }
+    }
+
+    if (options != null && options.ref != null && castOptions.ref == null) {
+      castOptions.ref = options.ref;
+    }
+
+    if (cast === Object) {
+      cast = Mixed;
+    }
+
+    // support { type: 'String' }
+    const name = typeof cast === 'string'
+      ? cast
+      : utils.getFunctionName(cast);
+
+    const Types = require('./index.js');
+    const caster = Types.hasOwnProperty(name) ? Types[name] : cast;
+
+    this.casterConstructor = caster;
+
+    if (this.casterConstructor instanceof SchemaArray) {
+      this.casterConstructor[isNestedArraySymbol] = true;
+    }
+
+    if (typeof caster === 'function' &&
+        !caster.$isArraySubdocument &&
+        !caster.$isSchemaMap) {
+      const path = this.caster instanceof EmbeddedDoc ? null : key;
+      this.caster = new caster(path, castOptions);
+    } else {
+      this.caster = caster;
+      if (!(this.caster instanceof EmbeddedDoc)) {
+        this.caster.path = key;
+      }
+    }
+
+    this.$embeddedSchemaType = this.caster;
+  }
+
+  this.$isMongooseArray = true;
+
+  SchemaType.call(this, key, options, 'Array');
+
+  let defaultArr;
+  let fn;
+
+  if (this.defaultValue != null) {
+    defaultArr = this.defaultValue;
+    fn = typeof defaultArr === 'function';
+  }
+
+  if (!('defaultValue' in this) || this.defaultValue !== void 0) {
+    const defaultFn = function() {
+      // Leave it up to `cast()` to convert the array
+      return fn
+        ? defaultArr.call(this)
+        : defaultArr != null
+          ? [].concat(defaultArr)
+          : [];
+    };
+    defaultFn.$runBeforeSetters = !fn;
+    this.default(defaultFn);
+  }
+}
+
+/**
+ * This schema type's name, to defend against minifiers that mangle
+ * function names.
+ *
+ * @api public
+ */
+SchemaArray.schemaName = 'Array';
+
+
+/**
+ * Options for all arrays.
+ *
+ * - `castNonArrays`: `true` by default. If `false`, Mongoose will throw a CastError when a value isn't an array. If `true`, Mongoose will wrap the provided value in an array before casting.
+ *
+ * @static
+ * @api public
+ */
+
+SchemaArray.options = { castNonArrays: true };
+
+/*!
+ * ignore
+ */
+
+SchemaArray.defaultOptions = {};
+
+/**
+ * Sets a default option for all Array instances.
+ *
+ * #### Example:
+ *
+ *     // Make all Array instances have `required` of true by default.
+ *     mongoose.Schema.Array.set('required', true);
+ *
+ *     const User = mongoose.model('User', new Schema({ test: Array }));
+ *     new User({ }).validateSync().errors.test.message; // Path `test` is required.
+ *
+ * @param {String} option The option you'd like to set the value for
+ * @param {Any} value value for option
+ * @return {undefined}
+ * @function set
+ * @api public
+ */
+SchemaArray.set = SchemaType.set;
+
+/*!
+ * Inherits from SchemaType.
+ */
+SchemaArray.prototype = Object.create(SchemaType.prototype);
+SchemaArray.prototype.constructor = SchemaArray;
+SchemaArray.prototype.OptionsConstructor = SchemaArrayOptions;
+
+/*!
+ * ignore
+ */
+
+SchemaArray._checkRequired = SchemaType.prototype.checkRequired;
+
+/**
+ * Override the function the required validator uses to check whether an array
+ * passes the `required` check.
+ *
+ * #### Example:
+ *
+ *     // Require non-empty array to pass `required` check
+ *     mongoose.Schema.Types.Array.checkRequired(v => Array.isArray(v) && v.length);
+ *
+ *     const M = mongoose.model({ arr: { type: Array, required: true } });
+ *     new M({ arr: [] }).validateSync(); // `null`, validation fails!
+ *
+ * @param {Function} fn
+ * @return {Function}
+ * @function checkRequired
+ * @api public
+ */
+
+SchemaArray.checkRequired = SchemaType.checkRequired;
+
+/**
+ * Check if the given value satisfies the `required` validator.
+ *
+ * @param {Any} value
+ * @param {Document} doc
+ * @return {Boolean}
+ * @api public
+ */
+
+SchemaArray.prototype.checkRequired = function checkRequired(value, doc) {
+  if (typeof value === 'object' && SchemaType._isRef(this, value, doc, true)) {
+    return !!value;
+  }
+
+  // `require('util').inherits()` does **not** copy static properties, and
+  // plugins like mongoose-float use `inherits()` for pre-ES6.
+  const _checkRequired = typeof this.constructor.checkRequired === 'function' ?
+    this.constructor.checkRequired() :
+    SchemaArray.checkRequired();
+
+  return _checkRequired(value);
+};
+
+/**
+ * Adds an enum validator if this is an array of strings or numbers. Equivalent to
+ * `SchemaString.prototype.enum()` or `SchemaNumber.prototype.enum()`
+ *
+ * @param {...String|Object} [args] enumeration values
+ * @return {SchemaArray} this
+ */
+
+SchemaArray.prototype.enum = function() {
+  let arr = this;
+  while (true) {
+    const instance = arr &&
+    arr.caster &&
+    arr.caster.instance;
+    if (instance === 'Array') {
+      arr = arr.caster;
+      continue;
+    }
+    if (instance !== 'String' && instance !== 'Number') {
+      throw new Error('`enum` can only be set on an array of strings or numbers ' +
+        ', not ' + instance);
+    }
+    break;
+  }
+
+  let enumArray = arguments;
+  if (!Array.isArray(arguments) && utils.isObject(arguments)) {
+    enumArray = utils.object.vals(enumArray);
+  }
+
+  arr.caster.enum.apply(arr.caster, enumArray);
+  return this;
+};
+
+/**
+ * Overrides the getters application for the population special-case
+ *
+ * @param {Object} value
+ * @param {Object} scope
+ * @api private
+ */
+
+SchemaArray.prototype.applyGetters = function(value, scope) {
+  if (scope != null && scope.$__ != null && scope.$populated(this.path)) {
+    // means the object id was populated
+    return value;
+  }
+
+  const ret = SchemaType.prototype.applyGetters.call(this, value, scope);
+  if (Array.isArray(ret)) {
+    const rawValue = utils.isMongooseArray(ret) ? ret.__array : ret;
+    const len = rawValue.length;
+    for (let i = 0; i < len; ++i) {
+      rawValue[i] = this.caster.applyGetters(rawValue[i], scope);
+    }
+  }
+  return ret;
+};
+
+SchemaArray.prototype._applySetters = function(value, scope, init, priorVal) {
+  if (this.casterConstructor.$isMongooseArray &&
+      SchemaArray.options.castNonArrays &&
+      !this[isNestedArraySymbol]) {
+    // Check nesting levels and wrap in array if necessary
+    let depth = 0;
+    let arr = this;
+    while (arr != null &&
+      arr.$isMongooseArray &&
+      !arr.$isMongooseDocumentArray) {
+      ++depth;
+      arr = arr.casterConstructor;
+    }
+
+    // No need to wrap empty arrays
+    if (value != null && value.length !== 0) {
+      const valueDepth = arrayDepth(value);
+      if (valueDepth.min === valueDepth.max && valueDepth.max < depth && valueDepth.containsNonArrayItem) {
+        for (let i = valueDepth.max; i < depth; ++i) {
+          value = [value];
+        }
+      }
+    }
+  }
+
+  return SchemaType.prototype._applySetters.call(this, value, scope, init, priorVal);
+};
+
+/**
+ * Casts values for set().
+ *
+ * @param {Object} value
+ * @param {Document} doc document that triggers the casting
+ * @param {Boolean} init whether this is an initialization cast
+ * @api private
+ */
+
+SchemaArray.prototype.cast = function(value, doc, init, prev, options) {
+  // lazy load
+  MongooseArray || (MongooseArray = require('../types').Array);
+
+  let i;
+  let l;
+
+  if (Array.isArray(value)) {
+    const len = value.length;
+    if (!len && doc) {
+      const indexes = doc.schema.indexedPaths();
+
+      const arrayPath = this.path;
+      for (i = 0, l = indexes.length; i < l; ++i) {
+        const pathIndex = indexes[i][0][arrayPath];
+        if (pathIndex === '2dsphere' || pathIndex === '2d') {
+          return;
+        }
+      }
+
+      // Special case: if this index is on the parent of what looks like
+      // GeoJSON, skip setting the default to empty array re: #1668, #3233
+      const arrayGeojsonPath = this.path.endsWith('.coordinates') ?
+        this.path.substring(0, this.path.lastIndexOf('.')) : null;
+      if (arrayGeojsonPath != null) {
+        for (i = 0, l = indexes.length; i < l; ++i) {
+          const pathIndex = indexes[i][0][arrayGeojsonPath];
+          if (pathIndex === '2dsphere') {
+            return;
+          }
+        }
+      }
+    }
+
+    options = options || emptyOpts;
+
+    let rawValue = utils.isMongooseArray(value) ? value.__array : value;
+    value = MongooseArray(rawValue, options.path || this._arrayPath || this.path, doc, this);
+    rawValue = value.__array;
+
+    if (init && doc != null && doc.$__ != null && doc.$populated(this.path)) {
+      return value;
+    }
+
+    const caster = this.caster;
+    const isMongooseArray = caster.$isMongooseArray;
+    if (caster && this.casterConstructor !== Mixed) {
+      try {
+        const len = rawValue.length;
+        for (i = 0; i < len; i++) {
+          const opts = {};
+          // Perf: creating `arrayPath` is expensive for large arrays.
+          // We only need `arrayPath` if this is a nested array, so
+          // skip if possible.
+          if (isMongooseArray) {
+            if (options.arrayPath != null) {
+              opts.arrayPathIndex = i;
+            } else if (caster._arrayParentPath != null) {
+              opts.arrayPathIndex = i;
+            }
+          }
+          rawValue[i] = caster.applySetters(rawValue[i], doc, init, void 0, opts);
+        }
+      } catch (e) {
+        // rethrow
+        throw new CastError('[' + e.kind + ']', util.inspect(value), this.path + '.' + i, e, this);
+      }
+    }
+
+    return value;
+  }
+
+  const castNonArraysOption = this.options.castNonArrays != null ? this.options.castNonArrays : SchemaArray.options.castNonArrays;
+  if (init || castNonArraysOption) {
+    // gh-2442: if we're loading this from the db and its not an array, mark
+    // the whole array as modified.
+    if (!!doc && !!init) {
+      doc.markModified(this.path);
+    }
+    return this.cast([value], doc, init);
+  }
+
+  throw new CastError('Array', util.inspect(value), this.path, null, this);
+};
+
+/*!
+ * ignore
+ */
+
+SchemaArray.prototype._castForPopulate = function _castForPopulate(value, doc) {
+  // lazy load
+  MongooseArray || (MongooseArray = require('../types').Array);
+
+  if (Array.isArray(value)) {
+    let i;
+    const rawValue = value.__array ? value.__array : value;
+    const len = rawValue.length;
+
+    const caster = this.caster;
+    if (caster && this.casterConstructor !== Mixed) {
+      try {
+        for (i = 0; i < len; i++) {
+          const opts = {};
+          // Perf: creating `arrayPath` is expensive for large arrays.
+          // We only need `arrayPath` if this is a nested array, so
+          // skip if possible.
+          if (caster.$isMongooseArray && caster._arrayParentPath != null) {
+            opts.arrayPathIndex = i;
+          }
+
+          rawValue[i] = caster.cast(rawValue[i], doc, false, void 0, opts);
+        }
+      } catch (e) {
+        // rethrow
+        throw new CastError('[' + e.kind + ']', util.inspect(value), this.path + '.' + i, e, this);
+      }
+    }
+
+    return value;
+  }
+
+  throw new CastError('Array', util.inspect(value), this.path, null, this);
+};
+
+SchemaArray.prototype.$toObject = SchemaArray.prototype.toObject;
+
+/*!
+ * ignore
+ */
+
+SchemaArray.prototype.discriminator = function(name, schema) {
+  let arr = this;
+  while (arr.$isMongooseArray && !arr.$isMongooseDocumentArray) {
+    arr = arr.casterConstructor;
+    if (arr == null || typeof arr === 'function') {
+      throw new MongooseError('You can only add an embedded discriminator on ' +
+        'a document array, ' + this.path + ' is a plain array');
+    }
+  }
+  return arr.discriminator(name, schema);
+};
+
+/*!
+ * ignore
+ */
+
+SchemaArray.prototype.clone = function() {
+  const options = Object.assign({}, this.options);
+  const schematype = new this.constructor(this.path, this.caster, options, this.schemaOptions);
+  schematype.validators = this.validators.slice();
+  if (this.requiredValidator !== undefined) {
+    schematype.requiredValidator = this.requiredValidator;
+  }
+  return schematype;
+};
+
+/**
+ * Casts values for queries.
+ *
+ * @param {String} $conditional
+ * @param {any} [value]
+ * @api private
+ */
+
+SchemaArray.prototype.castForQuery = function($conditional, value) {
+  let handler;
+  let val;
+
+  if (arguments.length === 2) {
+    handler = this.$conditionalHandlers[$conditional];
+
+    if (!handler) {
+      throw new Error('Can\'t use ' + $conditional + ' with Array.');
+    }
+
+    val = handler.call(this, value);
+  } else {
+    val = $conditional;
+    let Constructor = this.casterConstructor;
+
+    if (val &&
+        Constructor.discriminators &&
+        Constructor.schema &&
+        Constructor.schema.options &&
+        Constructor.schema.options.discriminatorKey) {
+      if (typeof val[Constructor.schema.options.discriminatorKey] === 'string' &&
+          Constructor.discriminators[val[Constructor.schema.options.discriminatorKey]]) {
+        Constructor = Constructor.discriminators[val[Constructor.schema.options.discriminatorKey]];
+      } else {
+        const constructorByValue = getDiscriminatorByValue(Constructor.discriminators, val[Constructor.schema.options.discriminatorKey]);
+        if (constructorByValue) {
+          Constructor = constructorByValue;
+        }
+      }
+    }
+
+    const proto = this.casterConstructor.prototype;
+    let method = proto && (proto.castForQuery || proto.cast);
+    if (!method && Constructor.castForQuery) {
+      method = Constructor.castForQuery;
+    }
+    const caster = this.caster;
+
+    if (Array.isArray(val)) {
+      this.setters.reverse().forEach(setter => {
+        val = setter.call(this, val, this);
+      });
+      val = val.map(function(v) {
+        if (utils.isObject(v) && v.$elemMatch) {
+          return v;
+        }
+        if (method) {
+          v = method.call(caster, v);
+          return v;
+        }
+        if (v != null) {
+          v = new Constructor(v);
+          return v;
+        }
+        return v;
+      });
+    } else if (method) {
+      val = method.call(caster, val);
+    } else if (val != null) {
+      val = new Constructor(val);
+    }
+  }
+
+  return val;
+};
+
+function cast$all(val) {
+  if (!Array.isArray(val)) {
+    val = [val];
+  }
+
+  val = val.map(function(v) {
+    if (!utils.isObject(v)) {
+      return v;
+    }
+    if (v.$elemMatch != null) {
+      return { $elemMatch: cast(this.casterConstructor.schema, v.$elemMatch) };
+    }
+
+    const o = {};
+    o[this.path] = v;
+    return cast(this.casterConstructor.schema, o)[this.path];
+  }, this);
+
+  return this.castForQuery(val);
+}
+
+function cast$elemMatch(val) {
+  const keys = Object.keys(val);
+  const numKeys = keys.length;
+  for (let i = 0; i < numKeys; ++i) {
+    const key = keys[i];
+    const value = val[key];
+    if (isOperator(key) && value != null) {
+      val[key] = this.castForQuery(key, value);
+    }
+  }
+
+  // Is this an embedded discriminator and is the discriminator key set?
+  // If so, use the discriminator schema. See gh-7449
+  const discriminatorKey = this &&
+    this.casterConstructor &&
+    this.casterConstructor.schema &&
+    this.casterConstructor.schema.options &&
+    this.casterConstructor.schema.options.discriminatorKey;
+  const discriminators = this &&
+  this.casterConstructor &&
+  this.casterConstructor.schema &&
+  this.casterConstructor.schema.discriminators || {};
+  if (discriminatorKey != null &&
+      val[discriminatorKey] != null &&
+      discriminators[val[discriminatorKey]] != null) {
+    return cast(discriminators[val[discriminatorKey]], val);
+  }
+
+  return cast(this.casterConstructor.schema, val);
+}
+
+const handle = SchemaArray.prototype.$conditionalHandlers = {};
+
+handle.$all = cast$all;
+handle.$options = String;
+handle.$elemMatch = cast$elemMatch;
+handle.$geoIntersects = geospatial.cast$geoIntersects;
+handle.$or = createLogicalQueryOperatorHandler('$or');
+handle.$and = createLogicalQueryOperatorHandler('$and');
+handle.$nor = createLogicalQueryOperatorHandler('$nor');
+
+function createLogicalQueryOperatorHandler(op) {
+  return function logicalQueryOperatorHandler(val) {
+    if (!Array.isArray(val)) {
+      throw new TypeError('conditional ' + op + ' requires an array');
+    }
+
+    const ret = [];
+    for (const obj of val) {
+      ret.push(cast(this.casterConstructor.schema, obj));
+    }
+
+    return ret;
+  };
+}
+
+handle.$near =
+handle.$nearSphere = geospatial.cast$near;
+
+handle.$within =
+handle.$geoWithin = geospatial.cast$within;
+
+handle.$size =
+handle.$minDistance =
+handle.$maxDistance = castToNumber;
+
+handle.$exists = $exists;
+handle.$type = $type;
+
+handle.$eq =
+handle.$gt =
+handle.$gte =
+handle.$lt =
+handle.$lte =
+handle.$ne =
+handle.$not =
+handle.$regex = SchemaArray.prototype.castForQuery;
+
+// `$in` is special because you can also include an empty array in the query
+// like `$in: [1, []]`, see gh-5913
+handle.$nin = SchemaType.prototype.$conditionalHandlers.$nin;
+handle.$in = SchemaType.prototype.$conditionalHandlers.$in;
+
+/*!
+ * Module exports.
+ */
+
+module.exports = SchemaArray;
diff --git a/node_modules/mongoose/lib/schema/boolean.js b/node_modules/mongoose/lib/schema/boolean.js
new file mode 100644
index 000000000..f09c8dd41
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/boolean.js
@@ -0,0 +1,267 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const CastError = require('../error/cast');
+const SchemaType = require('../schematype');
+const castBoolean = require('../cast/boolean');
+const utils = require('../utils');
+
+/**
+ * Boolean SchemaType constructor.
+ *
+ * @param {String} path
+ * @param {Object} options
+ * @inherits SchemaType
+ * @api public
+ */
+
+function SchemaBoolean(path, options) {
+  SchemaType.call(this, path, options, 'Boolean');
+}
+
+/**
+ * This schema type's name, to defend against minifiers that mangle
+ * function names.
+ *
+ * @api public
+ */
+SchemaBoolean.schemaName = 'Boolean';
+
+SchemaBoolean.defaultOptions = {};
+
+/*!
+ * Inherits from SchemaType.
+ */
+SchemaBoolean.prototype = Object.create(SchemaType.prototype);
+SchemaBoolean.prototype.constructor = SchemaBoolean;
+
+/*!
+ * ignore
+ */
+
+SchemaBoolean._cast = castBoolean;
+
+/**
+ * Sets a default option for all Boolean instances.
+ *
+ * #### Example:
+ *
+ *     // Make all booleans have `default` of false.
+ *     mongoose.Schema.Boolean.set('default', false);
+ *
+ *     const Order = mongoose.model('Order', new Schema({ isPaid: Boolean }));
+ *     new Order({ }).isPaid; // false
+ *
+ * @param {String} option The option you'd like to set the value for
+ * @param {Any} value value for option
+ * @return {undefined}
+ * @function set
+ * @static
+ * @api public
+ */
+
+SchemaBoolean.set = SchemaType.set;
+
+/**
+ * Get/set the function used to cast arbitrary values to booleans.
+ *
+ * #### Example:
+ *
+ *     // Make Mongoose cast empty string '' to false.
+ *     const original = mongoose.Schema.Boolean.cast();
+ *     mongoose.Schema.Boolean.cast(v => {
+ *       if (v === '') {
+ *         return false;
+ *       }
+ *       return original(v);
+ *     });
+ *
+ *     // Or disable casting entirely
+ *     mongoose.Schema.Boolean.cast(false);
+ *
+ * @param {Function} caster
+ * @return {Function}
+ * @function get
+ * @static
+ * @api public
+ */
+
+SchemaBoolean.cast = function cast(caster) {
+  if (arguments.length === 0) {
+    return this._cast;
+  }
+  if (caster === false) {
+    caster = this._defaultCaster;
+  }
+  this._cast = caster;
+
+  return this._cast;
+};
+
+/*!
+ * ignore
+ */
+
+SchemaBoolean._defaultCaster = v => {
+  if (v != null && typeof v !== 'boolean') {
+    throw new Error();
+  }
+  return v;
+};
+
+/*!
+ * ignore
+ */
+
+SchemaBoolean._checkRequired = v => v === true || v === false;
+
+/**
+ * Override the function the required validator uses to check whether a boolean
+ * passes the `required` check.
+ *
+ * @param {Function} fn
+ * @return {Function}
+ * @function checkRequired
+ * @static
+ * @api public
+ */
+
+SchemaBoolean.checkRequired = SchemaType.checkRequired;
+
+/**
+ * Check if the given value satisfies a required validator. For a boolean
+ * to satisfy a required validator, it must be strictly equal to true or to
+ * false.
+ *
+ * @param {Any} value
+ * @return {Boolean}
+ * @api public
+ */
+
+SchemaBoolean.prototype.checkRequired = function(value) {
+  return this.constructor._checkRequired(value);
+};
+
+/**
+ * Configure which values get casted to `true`.
+ *
+ * #### Example:
+ *
+ *     const M = mongoose.model('Test', new Schema({ b: Boolean }));
+ *     new M({ b: 'affirmative' }).b; // undefined
+ *     mongoose.Schema.Boolean.convertToTrue.add('affirmative');
+ *     new M({ b: 'affirmative' }).b; // true
+ *
+ * @property convertToTrue
+ * @type {Set}
+ * @api public
+ */
+
+Object.defineProperty(SchemaBoolean, 'convertToTrue', {
+  get: () => castBoolean.convertToTrue,
+  set: v => { castBoolean.convertToTrue = v; }
+});
+
+/**
+ * Configure which values get casted to `false`.
+ *
+ * #### Example:
+ *
+ *     const M = mongoose.model('Test', new Schema({ b: Boolean }));
+ *     new M({ b: 'nay' }).b; // undefined
+ *     mongoose.Schema.Types.Boolean.convertToFalse.add('nay');
+ *     new M({ b: 'nay' }).b; // false
+ *
+ * @property convertToFalse
+ * @type {Set}
+ * @api public
+ */
+
+Object.defineProperty(SchemaBoolean, 'convertToFalse', {
+  get: () => castBoolean.convertToFalse,
+  set: v => { castBoolean.convertToFalse = v; }
+});
+
+/**
+ * Casts to boolean
+ *
+ * @param {Object} value
+ * @param {Object} model this value is optional
+ * @api private
+ */
+
+SchemaBoolean.prototype.cast = function(value) {
+  let castBoolean;
+  if (typeof this._castFunction === 'function') {
+    castBoolean = this._castFunction;
+  } else if (typeof this.constructor.cast === 'function') {
+    castBoolean = this.constructor.cast();
+  } else {
+    castBoolean = SchemaBoolean.cast();
+  }
+
+  try {
+    return castBoolean(value);
+  } catch (error) {
+    throw new CastError('Boolean', value, this.path, error, this);
+  }
+};
+
+SchemaBoolean.$conditionalHandlers =
+    utils.options(SchemaType.prototype.$conditionalHandlers, {});
+
+/**
+ * Casts contents for queries.
+ *
+ * @param {String} $conditional
+ * @param {any} val
+ * @api private
+ */
+
+SchemaBoolean.prototype.castForQuery = function($conditional, val) {
+  let handler;
+  if (arguments.length === 2) {
+    handler = SchemaBoolean.$conditionalHandlers[$conditional];
+
+    if (handler) {
+      return handler.call(this, val);
+    }
+
+    return this._castForQuery(val);
+  }
+
+  return this._castForQuery($conditional);
+};
+
+/**
+ *
+ * @api private
+ */
+
+SchemaBoolean.prototype._castNullish = function _castNullish(v) {
+  if (typeof v === 'undefined') {
+    return v;
+  }
+  const castBoolean = typeof this.constructor.cast === 'function' ?
+    this.constructor.cast() :
+    SchemaBoolean.cast();
+  if (castBoolean == null) {
+    return v;
+  }
+  if (castBoolean.convertToFalse instanceof Set && castBoolean.convertToFalse.has(v)) {
+    return false;
+  }
+  if (castBoolean.convertToTrue instanceof Set && castBoolean.convertToTrue.has(v)) {
+    return true;
+  }
+  return v;
+};
+
+/*!
+ * Module exports.
+ */
+
+module.exports = SchemaBoolean;
diff --git a/node_modules/mongoose/lib/schema/buffer.js b/node_modules/mongoose/lib/schema/buffer.js
new file mode 100644
index 000000000..abe085931
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/buffer.js
@@ -0,0 +1,269 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const MongooseBuffer = require('../types/buffer');
+const SchemaBufferOptions = require('../options/SchemaBufferOptions');
+const SchemaType = require('../schematype');
+const handleBitwiseOperator = require('./operators/bitwise');
+const utils = require('../utils');
+
+const Binary = MongooseBuffer.Binary;
+const CastError = SchemaType.CastError;
+
+/**
+ * Buffer SchemaType constructor
+ *
+ * @param {String} key
+ * @param {Object} options
+ * @inherits SchemaType
+ * @api public
+ */
+
+function SchemaBuffer(key, options) {
+  SchemaType.call(this, key, options, 'Buffer');
+}
+
+/**
+ * This schema type's name, to defend against minifiers that mangle
+ * function names.
+ *
+ * @api public
+ */
+SchemaBuffer.schemaName = 'Buffer';
+
+SchemaBuffer.defaultOptions = {};
+
+/*!
+ * Inherits from SchemaType.
+ */
+SchemaBuffer.prototype = Object.create(SchemaType.prototype);
+SchemaBuffer.prototype.constructor = SchemaBuffer;
+SchemaBuffer.prototype.OptionsConstructor = SchemaBufferOptions;
+
+/*!
+ * ignore
+ */
+
+SchemaBuffer._checkRequired = v => !!(v && v.length);
+
+/**
+ * Sets a default option for all Buffer instances.
+ *
+ * #### Example:
+ *
+ *     // Make all buffers have `required` of true by default.
+ *     mongoose.Schema.Buffer.set('required', true);
+ *
+ *     const User = mongoose.model('User', new Schema({ test: Buffer }));
+ *     new User({ }).validateSync().errors.test.message; // Path `test` is required.
+ *
+ * @param {String} option The option you'd like to set the value for
+ * @param {Any} value value for option
+ * @return {undefined}
+ * @function set
+ * @static
+ * @api public
+ */
+
+SchemaBuffer.set = SchemaType.set;
+
+/**
+ * Override the function the required validator uses to check whether a string
+ * passes the `required` check.
+ *
+ * #### Example:
+ *
+ *     // Allow empty strings to pass `required` check
+ *     mongoose.Schema.Types.String.checkRequired(v => v != null);
+ *
+ *     const M = mongoose.model({ buf: { type: Buffer, required: true } });
+ *     new M({ buf: Buffer.from('') }).validateSync(); // validation passes!
+ *
+ * @param {Function} fn
+ * @return {Function}
+ * @function checkRequired
+ * @static
+ * @api public
+ */
+
+SchemaBuffer.checkRequired = SchemaType.checkRequired;
+
+/**
+ * Check if the given value satisfies a required validator. To satisfy a
+ * required validator, a buffer must not be null or undefined and have
+ * non-zero length.
+ *
+ * @param {Any} value
+ * @param {Document} doc
+ * @return {Boolean}
+ * @api public
+ */
+
+SchemaBuffer.prototype.checkRequired = function(value, doc) {
+  if (SchemaType._isRef(this, value, doc, true)) {
+    return !!value;
+  }
+  return this.constructor._checkRequired(value);
+};
+
+/**
+ * Casts contents
+ *
+ * @param {Object} value
+ * @param {Document} doc document that triggers the casting
+ * @param {Boolean} init
+ * @api private
+ */
+
+SchemaBuffer.prototype.cast = function(value, doc, init) {
+  let ret;
+  if (SchemaType._isRef(this, value, doc, init)) {
+    if (value && value.isMongooseBuffer) {
+      return value;
+    }
+
+    if (Buffer.isBuffer(value)) {
+      if (!value || !value.isMongooseBuffer) {
+        value = new MongooseBuffer(value, [this.path, doc]);
+        if (this.options.subtype != null) {
+          value._subtype = this.options.subtype;
+        }
+      }
+      return value;
+    }
+
+    if (value instanceof Binary) {
+      ret = new MongooseBuffer(value.value(true), [this.path, doc]);
+      if (typeof value.sub_type !== 'number') {
+        throw new CastError('Buffer', value, this.path, null, this);
+      }
+      ret._subtype = value.sub_type;
+      return ret;
+    }
+
+    if (value == null || utils.isNonBuiltinObject(value)) {
+      return this._castRef(value, doc, init);
+    }
+  }
+
+  // documents
+  if (value && value._id) {
+    value = value._id;
+  }
+
+  if (value && value.isMongooseBuffer) {
+    return value;
+  }
+
+  if (Buffer.isBuffer(value)) {
+    if (!value || !value.isMongooseBuffer) {
+      value = new MongooseBuffer(value, [this.path, doc]);
+      if (this.options.subtype != null) {
+        value._subtype = this.options.subtype;
+      }
+    }
+    return value;
+  }
+
+  if (value instanceof Binary) {
+    ret = new MongooseBuffer(value.value(true), [this.path, doc]);
+    if (typeof value.sub_type !== 'number') {
+      throw new CastError('Buffer', value, this.path, null, this);
+    }
+    ret._subtype = value.sub_type;
+    return ret;
+  }
+
+  if (value === null) {
+    return value;
+  }
+
+
+  const type = typeof value;
+  if (
+    type === 'string' || type === 'number' || Array.isArray(value) ||
+    (type === 'object' && value.type === 'Buffer' && Array.isArray(value.data)) // gh-6863
+  ) {
+    if (type === 'number') {
+      value = [value];
+    }
+    ret = new MongooseBuffer(value, [this.path, doc]);
+    if (this.options.subtype != null) {
+      ret._subtype = this.options.subtype;
+    }
+    return ret;
+  }
+
+  throw new CastError('Buffer', value, this.path, null, this);
+};
+
+/**
+ * Sets the default [subtype](https://studio3t.com/whats-new/best-practices-uuid-mongodb/)
+ * for this buffer. You can find a [list of allowed subtypes here](https://api.mongodb.com/python/current/api/bson/binary.html).
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ uuid: { type: Buffer, subtype: 4 });
+ *     const M = db.model('M', s);
+ *     const m = new M({ uuid: 'test string' });
+ *     m.uuid._subtype; // 4
+ *
+ * @param {Number} subtype the default subtype
+ * @return {SchemaType} this
+ * @api public
+ */
+
+SchemaBuffer.prototype.subtype = function(subtype) {
+  this.options.subtype = subtype;
+  return this;
+};
+
+/*!
+ * ignore
+ */
+function handleSingle(val) {
+  return this.castForQuery(val);
+}
+
+SchemaBuffer.prototype.$conditionalHandlers =
+    utils.options(SchemaType.prototype.$conditionalHandlers, {
+      $bitsAllClear: handleBitwiseOperator,
+      $bitsAnyClear: handleBitwiseOperator,
+      $bitsAllSet: handleBitwiseOperator,
+      $bitsAnySet: handleBitwiseOperator,
+      $gt: handleSingle,
+      $gte: handleSingle,
+      $lt: handleSingle,
+      $lte: handleSingle
+    });
+
+/**
+ * Casts contents for queries.
+ *
+ * @param {String} $conditional
+ * @param {any} [value]
+ * @api private
+ */
+
+SchemaBuffer.prototype.castForQuery = function($conditional, val) {
+  let handler;
+  if (arguments.length === 2) {
+    handler = this.$conditionalHandlers[$conditional];
+    if (!handler) {
+      throw new Error('Can\'t use ' + $conditional + ' with Buffer.');
+    }
+    return handler.call(this, val);
+  }
+  val = $conditional;
+  const casted = this._castForQuery(val);
+  return casted ? casted.toObject({ transform: false, virtuals: false }) : casted;
+};
+
+/*!
+ * Module exports.
+ */
+
+module.exports = SchemaBuffer;
diff --git a/node_modules/mongoose/lib/schema/date.js b/node_modules/mongoose/lib/schema/date.js
new file mode 100644
index 000000000..feafe4709
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/date.js
@@ -0,0 +1,404 @@
+/*!
+ * Module requirements.
+ */
+
+'use strict';
+
+const MongooseError = require('../error/index');
+const SchemaDateOptions = require('../options/SchemaDateOptions');
+const SchemaType = require('../schematype');
+const castDate = require('../cast/date');
+const getConstructorName = require('../helpers/getConstructorName');
+const utils = require('../utils');
+
+const CastError = SchemaType.CastError;
+
+/**
+ * Date SchemaType constructor.
+ *
+ * @param {String} key
+ * @param {Object} options
+ * @inherits SchemaType
+ * @api public
+ */
+
+function SchemaDate(key, options) {
+  SchemaType.call(this, key, options, 'Date');
+}
+
+/**
+ * This schema type's name, to defend against minifiers that mangle
+ * function names.
+ *
+ * @api public
+ */
+SchemaDate.schemaName = 'Date';
+
+SchemaDate.defaultOptions = {};
+
+/*!
+ * Inherits from SchemaType.
+ */
+SchemaDate.prototype = Object.create(SchemaType.prototype);
+SchemaDate.prototype.constructor = SchemaDate;
+SchemaDate.prototype.OptionsConstructor = SchemaDateOptions;
+
+/*!
+ * ignore
+ */
+
+SchemaDate._cast = castDate;
+
+/**
+ * Sets a default option for all Date instances.
+ *
+ * #### Example:
+ *
+ *     // Make all dates have `required` of true by default.
+ *     mongoose.Schema.Date.set('required', true);
+ *
+ *     const User = mongoose.model('User', new Schema({ test: Date }));
+ *     new User({ }).validateSync().errors.test.message; // Path `test` is required.
+ *
+ * @param {String} option The option you'd like to set the value for
+ * @param {Any} value value for option
+ * @return {undefined}
+ * @function set
+ * @static
+ * @api public
+ */
+
+SchemaDate.set = SchemaType.set;
+
+/**
+ * Get/set the function used to cast arbitrary values to dates.
+ *
+ * #### Example:
+ *
+ *     // Mongoose converts empty string '' into `null` for date types. You
+ *     // can create a custom caster to disable it.
+ *     const original = mongoose.Schema.Types.Date.cast();
+ *     mongoose.Schema.Types.Date.cast(v => {
+ *       assert.ok(v !== '');
+ *       return original(v);
+ *     });
+ *
+ *     // Or disable casting entirely
+ *     mongoose.Schema.Types.Date.cast(false);
+ *
+ * @param {Function} caster
+ * @return {Function}
+ * @function get
+ * @static
+ * @api public
+ */
+
+SchemaDate.cast = function cast(caster) {
+  if (arguments.length === 0) {
+    return this._cast;
+  }
+  if (caster === false) {
+    caster = this._defaultCaster;
+  }
+  this._cast = caster;
+
+  return this._cast;
+};
+
+/*!
+ * ignore
+ */
+
+SchemaDate._defaultCaster = v => {
+  if (v != null && !(v instanceof Date)) {
+    throw new Error();
+  }
+  return v;
+};
+
+/**
+ * Declares a TTL index (rounded to the nearest second) for _Date_ types only.
+ *
+ * This sets the `expireAfterSeconds` index option available in MongoDB >= 2.1.2.
+ * This index type is only compatible with Date types.
+ *
+ * #### Example:
+ *
+ *     // expire in 24 hours
+ *     new Schema({ createdAt: { type: Date, expires: 60*60*24 }});
+ *
+ * `expires` utilizes the `ms` module from [guille](https://github.com/guille/) allowing us to use a friendlier syntax:
+ *
+ * #### Example:
+ *
+ *     // expire in 24 hours
+ *     new Schema({ createdAt: { type: Date, expires: '24h' }});
+ *
+ *     // expire in 1.5 hours
+ *     new Schema({ createdAt: { type: Date, expires: '1.5h' }});
+ *
+ *     // expire in 7 days
+ *     const schema = new Schema({ createdAt: Date });
+ *     schema.path('createdAt').expires('7d');
+ *
+ * @param {Number|String} when
+ * @added 3.0.0
+ * @return {SchemaType} this
+ * @api public
+ */
+
+SchemaDate.prototype.expires = function(when) {
+  if (getConstructorName(this._index) !== 'Object') {
+    this._index = {};
+  }
+
+  this._index.expires = when;
+  utils.expires(this._index);
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+SchemaDate._checkRequired = v => v instanceof Date;
+
+/**
+ * Override the function the required validator uses to check whether a string
+ * passes the `required` check.
+ *
+ * #### Example:
+ *
+ *     // Allow empty strings to pass `required` check
+ *     mongoose.Schema.Types.String.checkRequired(v => v != null);
+ *
+ *     const M = mongoose.model({ str: { type: String, required: true } });
+ *     new M({ str: '' }).validateSync(); // `null`, validation passes!
+ *
+ * @param {Function} fn
+ * @return {Function}
+ * @function checkRequired
+ * @static
+ * @api public
+ */
+
+SchemaDate.checkRequired = SchemaType.checkRequired;
+
+/**
+ * Check if the given value satisfies a required validator. To satisfy
+ * a required validator, the given value must be an instance of `Date`.
+ *
+ * @param {Any} value
+ * @param {Document} doc
+ * @return {Boolean}
+ * @api public
+ */
+
+SchemaDate.prototype.checkRequired = function(value, doc) {
+  if (typeof value === 'object' && SchemaType._isRef(this, value, doc, true)) {
+    return value != null;
+  }
+
+  // `require('util').inherits()` does **not** copy static properties, and
+  // plugins like mongoose-float use `inherits()` for pre-ES6.
+  const _checkRequired = typeof this.constructor.checkRequired === 'function' ?
+    this.constructor.checkRequired() :
+    SchemaDate.checkRequired();
+  return _checkRequired(value);
+};
+
+/**
+ * Sets a minimum date validator.
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ d: { type: Date, min: Date('1970-01-01') })
+ *     const M = db.model('M', s)
+ *     const m = new M({ d: Date('1969-12-31') })
+ *     m.save(function (err) {
+ *       console.error(err) // validator error
+ *       m.d = Date('2014-12-08');
+ *       m.save() // success
+ *     })
+ *
+ *     // custom error messages
+ *     // We can also use the special {MIN} token which will be replaced with the invalid value
+ *     const min = [Date('1970-01-01'), 'The value of path `{PATH}` ({VALUE}) is beneath the limit ({MIN}).'];
+ *     const schema = new Schema({ d: { type: Date, min: min })
+ *     const M = mongoose.model('M', schema);
+ *     const s= new M({ d: Date('1969-12-31') });
+ *     s.validate(function (err) {
+ *       console.log(String(err)) // ValidationError: The value of path `d` (1969-12-31) is before the limit (1970-01-01).
+ *     })
+ *
+ * @param {Date} value minimum date
+ * @param {String} [message] optional custom error message
+ * @return {SchemaType} this
+ * @see Customized Error Messages #error_messages_MongooseError-messages
+ * @api public
+ */
+
+SchemaDate.prototype.min = function(value, message) {
+  if (this.minValidator) {
+    this.validators = this.validators.filter(function(v) {
+      return v.validator !== this.minValidator;
+    }, this);
+  }
+
+  if (value) {
+    let msg = message || MongooseError.messages.Date.min;
+    if (typeof msg === 'string') {
+      msg = msg.replace(/{MIN}/, (value === Date.now ? 'Date.now()' : value.toString()));
+    }
+    const _this = this;
+    this.validators.push({
+      validator: this.minValidator = function(val) {
+        let _value = value;
+        if (typeof value === 'function' && value !== Date.now) {
+          _value = _value.call(this);
+        }
+        const min = (_value === Date.now ? _value() : _this.cast(_value));
+        return val === null || val.valueOf() >= min.valueOf();
+      },
+      message: msg,
+      type: 'min',
+      min: value
+    });
+  }
+
+  return this;
+};
+
+/**
+ * Sets a maximum date validator.
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ d: { type: Date, max: Date('2014-01-01') })
+ *     const M = db.model('M', s)
+ *     const m = new M({ d: Date('2014-12-08') })
+ *     m.save(function (err) {
+ *       console.error(err) // validator error
+ *       m.d = Date('2013-12-31');
+ *       m.save() // success
+ *     })
+ *
+ *     // custom error messages
+ *     // We can also use the special {MAX} token which will be replaced with the invalid value
+ *     const max = [Date('2014-01-01'), 'The value of path `{PATH}` ({VALUE}) exceeds the limit ({MAX}).'];
+ *     const schema = new Schema({ d: { type: Date, max: max })
+ *     const M = mongoose.model('M', schema);
+ *     const s= new M({ d: Date('2014-12-08') });
+ *     s.validate(function (err) {
+ *       console.log(String(err)) // ValidationError: The value of path `d` (2014-12-08) exceeds the limit (2014-01-01).
+ *     })
+ *
+ * @param {Date} maximum date
+ * @param {String} [message] optional custom error message
+ * @return {SchemaType} this
+ * @see Customized Error Messages #error_messages_MongooseError-messages
+ * @api public
+ */
+
+SchemaDate.prototype.max = function(value, message) {
+  if (this.maxValidator) {
+    this.validators = this.validators.filter(function(v) {
+      return v.validator !== this.maxValidator;
+    }, this);
+  }
+
+  if (value) {
+    let msg = message || MongooseError.messages.Date.max;
+    if (typeof msg === 'string') {
+      msg = msg.replace(/{MAX}/, (value === Date.now ? 'Date.now()' : value.toString()));
+    }
+    const _this = this;
+    this.validators.push({
+      validator: this.maxValidator = function(val) {
+        let _value = value;
+        if (typeof _value === 'function' && _value !== Date.now) {
+          _value = _value.call(this);
+        }
+        const max = (_value === Date.now ? _value() : _this.cast(_value));
+        return val === null || val.valueOf() <= max.valueOf();
+      },
+      message: msg,
+      type: 'max',
+      max: value
+    });
+  }
+
+  return this;
+};
+
+/**
+ * Casts to date
+ *
+ * @param {Object} value to cast
+ * @api private
+ */
+
+SchemaDate.prototype.cast = function(value) {
+  let castDate;
+  if (typeof this._castFunction === 'function') {
+    castDate = this._castFunction;
+  } else if (typeof this.constructor.cast === 'function') {
+    castDate = this.constructor.cast();
+  } else {
+    castDate = SchemaDate.cast();
+  }
+
+  try {
+    return castDate(value);
+  } catch (error) {
+    throw new CastError('date', value, this.path, error, this);
+  }
+};
+
+/**
+ * Date Query casting.
+ *
+ * @param {Any} val
+ * @api private
+ */
+
+function handleSingle(val) {
+  return this.cast(val);
+}
+
+SchemaDate.prototype.$conditionalHandlers =
+    utils.options(SchemaType.prototype.$conditionalHandlers, {
+      $gt: handleSingle,
+      $gte: handleSingle,
+      $lt: handleSingle,
+      $lte: handleSingle
+    });
+
+
+/**
+ * Casts contents for queries.
+ *
+ * @param {String} $conditional
+ * @param {any} [value]
+ * @api private
+ */
+
+SchemaDate.prototype.castForQuery = function($conditional, val) {
+  if (arguments.length !== 2) {
+    return this._castForQuery($conditional);
+  }
+
+  const handler = this.$conditionalHandlers[$conditional];
+
+  if (!handler) {
+    throw new Error('Can\'t use ' + $conditional + ' with Date.');
+  }
+
+  return handler.call(this, val);
+};
+
+/*!
+ * Module exports.
+ */
+
+module.exports = SchemaDate;
diff --git a/node_modules/mongoose/lib/schema/decimal128.js b/node_modules/mongoose/lib/schema/decimal128.js
new file mode 100644
index 000000000..6ac87416f
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/decimal128.js
@@ -0,0 +1,210 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const SchemaType = require('../schematype');
+const CastError = SchemaType.CastError;
+const castDecimal128 = require('../cast/decimal128');
+const utils = require('../utils');
+const isBsonType = require('../helpers/isBsonType');
+
+/**
+ * Decimal128 SchemaType constructor.
+ *
+ * @param {String} key
+ * @param {Object} options
+ * @inherits SchemaType
+ * @api public
+ */
+
+function Decimal128(key, options) {
+  SchemaType.call(this, key, options, 'Decimal128');
+}
+
+/**
+ * This schema type's name, to defend against minifiers that mangle
+ * function names.
+ *
+ * @api public
+ */
+Decimal128.schemaName = 'Decimal128';
+
+Decimal128.defaultOptions = {};
+
+/*!
+ * Inherits from SchemaType.
+ */
+Decimal128.prototype = Object.create(SchemaType.prototype);
+Decimal128.prototype.constructor = Decimal128;
+
+/*!
+ * ignore
+ */
+
+Decimal128._cast = castDecimal128;
+
+/**
+ * Sets a default option for all Decimal128 instances.
+ *
+ * #### Example:
+ *
+ *     // Make all decimal 128s have `required` of true by default.
+ *     mongoose.Schema.Decimal128.set('required', true);
+ *
+ *     const User = mongoose.model('User', new Schema({ test: mongoose.Decimal128 }));
+ *     new User({ }).validateSync().errors.test.message; // Path `test` is required.
+ *
+ * @param {String} option The option you'd like to set the value for
+ * @param {Any} value value for option
+ * @return {undefined}
+ * @function set
+ * @static
+ * @api public
+ */
+
+Decimal128.set = SchemaType.set;
+
+/**
+ * Get/set the function used to cast arbitrary values to decimals.
+ *
+ * #### Example:
+ *
+ *     // Make Mongoose only refuse to cast numbers as decimal128
+ *     const original = mongoose.Schema.Types.Decimal128.cast();
+ *     mongoose.Decimal128.cast(v => {
+ *       assert.ok(typeof v !== 'number');
+ *       return original(v);
+ *     });
+ *
+ *     // Or disable casting entirely
+ *     mongoose.Decimal128.cast(false);
+ *
+ * @param {Function} [caster]
+ * @return {Function}
+ * @function get
+ * @static
+ * @api public
+ */
+
+Decimal128.cast = function cast(caster) {
+  if (arguments.length === 0) {
+    return this._cast;
+  }
+  if (caster === false) {
+    caster = this._defaultCaster;
+  }
+  this._cast = caster;
+
+  return this._cast;
+};
+
+/*!
+ * ignore
+ */
+
+Decimal128._defaultCaster = v => {
+  if (v != null && !isBsonType(v, 'Decimal128')) {
+    throw new Error();
+  }
+  return v;
+};
+
+/*!
+ * ignore
+ */
+
+Decimal128._checkRequired = v => isBsonType(v, 'Decimal128');
+
+/**
+ * Override the function the required validator uses to check whether a string
+ * passes the `required` check.
+ *
+ * @param {Function} fn
+ * @return {Function}
+ * @function checkRequired
+ * @static
+ * @api public
+ */
+
+Decimal128.checkRequired = SchemaType.checkRequired;
+
+/**
+ * Check if the given value satisfies a required validator.
+ *
+ * @param {Any} value
+ * @param {Document} doc
+ * @return {Boolean}
+ * @api public
+ */
+
+Decimal128.prototype.checkRequired = function checkRequired(value, doc) {
+  if (SchemaType._isRef(this, value, doc, true)) {
+    return !!value;
+  }
+
+  // `require('util').inherits()` does **not** copy static properties, and
+  // plugins like mongoose-float use `inherits()` for pre-ES6.
+  const _checkRequired = typeof this.constructor.checkRequired === 'function' ?
+    this.constructor.checkRequired() :
+    Decimal128.checkRequired();
+
+  return _checkRequired(value);
+};
+
+/**
+ * Casts to Decimal128
+ *
+ * @param {Object} value
+ * @param {Object} doc
+ * @param {Boolean} init whether this is an initialization cast
+ * @api private
+ */
+
+Decimal128.prototype.cast = function(value, doc, init) {
+  if (SchemaType._isRef(this, value, doc, init)) {
+    if (isBsonType(value, 'Decimal128')) {
+      return value;
+    }
+
+    return this._castRef(value, doc, init);
+  }
+
+  let castDecimal128;
+  if (typeof this._castFunction === 'function') {
+    castDecimal128 = this._castFunction;
+  } else if (typeof this.constructor.cast === 'function') {
+    castDecimal128 = this.constructor.cast();
+  } else {
+    castDecimal128 = Decimal128.cast();
+  }
+
+  try {
+    return castDecimal128(value);
+  } catch (error) {
+    throw new CastError('Decimal128', value, this.path, error, this);
+  }
+};
+
+/*!
+ * ignore
+ */
+
+function handleSingle(val) {
+  return this.cast(val);
+}
+
+Decimal128.prototype.$conditionalHandlers =
+    utils.options(SchemaType.prototype.$conditionalHandlers, {
+      $gt: handleSingle,
+      $gte: handleSingle,
+      $lt: handleSingle,
+      $lte: handleSingle
+    });
+
+/*!
+ * Module exports.
+ */
+
+module.exports = Decimal128;
diff --git a/node_modules/mongoose/lib/schema/documentarray.js b/node_modules/mongoose/lib/schema/documentarray.js
new file mode 100644
index 000000000..b9066921c
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/documentarray.js
@@ -0,0 +1,617 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const ArrayType = require('./array');
+const CastError = require('../error/cast');
+const EventEmitter = require('events').EventEmitter;
+const SchemaDocumentArrayOptions =
+  require('../options/SchemaDocumentArrayOptions');
+const SchemaType = require('../schematype');
+const SubdocumentPath = require('./SubdocumentPath');
+const discriminator = require('../helpers/model/discriminator');
+const handleIdOption = require('../helpers/schema/handleIdOption');
+const handleSpreadDoc = require('../helpers/document/handleSpreadDoc');
+const utils = require('../utils');
+const getConstructor = require('../helpers/discriminator/getConstructor');
+
+const arrayAtomicsSymbol = require('../helpers/symbols').arrayAtomicsSymbol;
+const arrayPathSymbol = require('../helpers/symbols').arrayPathSymbol;
+const documentArrayParent = require('../helpers/symbols').documentArrayParent;
+
+let MongooseDocumentArray;
+let Subdocument;
+
+/**
+ * SubdocsArray SchemaType constructor
+ *
+ * @param {String} key
+ * @param {Schema} schema
+ * @param {Object} options
+ * @param {Object} schemaOptions
+ * @inherits SchemaArray
+ * @api public
+ */
+
+function DocumentArrayPath(key, schema, options, schemaOptions) {
+  const schemaTypeIdOption = DocumentArrayPath.defaultOptions &&
+    DocumentArrayPath.defaultOptions._id;
+  if (schemaTypeIdOption != null) {
+    schemaOptions = schemaOptions || {};
+    schemaOptions._id = schemaTypeIdOption;
+  }
+
+  if (schemaOptions != null && schemaOptions._id != null) {
+    schema = handleIdOption(schema, schemaOptions);
+  } else if (options != null && options._id != null) {
+    schema = handleIdOption(schema, options);
+  }
+
+  const EmbeddedDocument = _createConstructor(schema, options);
+  EmbeddedDocument.prototype.$basePath = key;
+
+  ArrayType.call(this, key, EmbeddedDocument, options);
+
+  this.schema = schema;
+  this.schemaOptions = schemaOptions || {};
+  this.$isMongooseDocumentArray = true;
+  this.Constructor = EmbeddedDocument;
+
+  EmbeddedDocument.base = schema.base;
+
+  const fn = this.defaultValue;
+
+  if (!('defaultValue' in this) || fn !== void 0) {
+    this.default(function() {
+      let arr = fn.call(this);
+      if (arr != null && !Array.isArray(arr)) {
+        arr = [arr];
+      }
+      // Leave it up to `cast()` to convert this to a documentarray
+      return arr;
+    });
+  }
+
+  const parentSchemaType = this;
+  this.$embeddedSchemaType = new SchemaType(key + '.$', {
+    required: this &&
+      this.schemaOptions &&
+      this.schemaOptions.required || false
+  });
+  this.$embeddedSchemaType.cast = function(value, doc, init) {
+    return parentSchemaType.cast(value, doc, init)[0];
+  };
+  this.$embeddedSchemaType.doValidate = function(value, fn, scope, options) {
+    const Constructor = getConstructor(this.caster, value);
+
+    if (value && !(value instanceof Constructor)) {
+      value = new Constructor(value, scope, null, null, options && options.index != null ? options.index : null);
+    }
+
+    return SubdocumentPath.prototype.doValidate.call(this, value, fn, scope, options);
+  };
+  this.$embeddedSchemaType.$isMongooseDocumentArrayElement = true;
+  this.$embeddedSchemaType.caster = this.Constructor;
+  this.$embeddedSchemaType.schema = this.schema;
+}
+
+/**
+ * This schema type's name, to defend against minifiers that mangle
+ * function names.
+ *
+ * @api public
+ */
+DocumentArrayPath.schemaName = 'DocumentArray';
+
+/**
+ * Options for all document arrays.
+ *
+ * - `castNonArrays`: `true` by default. If `false`, Mongoose will throw a CastError when a value isn't an array. If `true`, Mongoose will wrap the provided value in an array before casting.
+ *
+ * @api public
+ */
+
+DocumentArrayPath.options = { castNonArrays: true };
+
+/*!
+ * Inherits from ArrayType.
+ */
+DocumentArrayPath.prototype = Object.create(ArrayType.prototype);
+DocumentArrayPath.prototype.constructor = DocumentArrayPath;
+DocumentArrayPath.prototype.OptionsConstructor = SchemaDocumentArrayOptions;
+
+/*!
+ * ignore
+ */
+
+function _createConstructor(schema, options, baseClass) {
+  Subdocument || (Subdocument = require('../types/ArraySubdocument'));
+
+  // compile an embedded document for this schema
+  function EmbeddedDocument(_value, parentArray) {
+    Subdocument.apply(this, arguments);
+    if (parentArray == null || parentArray.getArrayParent() == null) {
+      return;
+    }
+    this.$session(parentArray.getArrayParent().$session());
+  }
+
+  schema._preCompile();
+
+  const proto = baseClass != null ? baseClass.prototype : Subdocument.prototype;
+  EmbeddedDocument.prototype = Object.create(proto);
+  EmbeddedDocument.prototype.$__setSchema(schema);
+  EmbeddedDocument.schema = schema;
+  EmbeddedDocument.prototype.constructor = EmbeddedDocument;
+  EmbeddedDocument.$isArraySubdocument = true;
+  EmbeddedDocument.events = new EventEmitter();
+  EmbeddedDocument.base = schema.base;
+
+  // apply methods
+  for (const i in schema.methods) {
+    EmbeddedDocument.prototype[i] = schema.methods[i];
+  }
+
+  // apply statics
+  for (const i in schema.statics) {
+    EmbeddedDocument[i] = schema.statics[i];
+  }
+
+  for (const i in EventEmitter.prototype) {
+    EmbeddedDocument[i] = EventEmitter.prototype[i];
+  }
+
+  EmbeddedDocument.options = options;
+
+  return EmbeddedDocument;
+}
+
+/**
+ * Adds a discriminator to this document array.
+ *
+ * #### Example:
+ *
+ *     const shapeSchema = Schema({ name: String }, { discriminatorKey: 'kind' });
+ *     const schema = Schema({ shapes: [shapeSchema] });
+ *
+ *     const docArrayPath = parentSchema.path('shapes');
+ *     docArrayPath.discriminator('Circle', Schema({ radius: Number }));
+ *
+ * @param {String} name
+ * @param {Schema} schema fields to add to the schema for instances of this sub-class
+ * @param {Object|string} [options] If string, same as `options.value`.
+ * @param {String} [options.value] the string stored in the `discriminatorKey` property. If not specified, Mongoose uses the `name` parameter.
+ * @param {Boolean} [options.clone=true] By default, `discriminator()` clones the given `schema`. Set to `false` to skip cloning.
+ * @see discriminators /docs/discriminators.html
+ * @return {Function} the constructor Mongoose will use for creating instances of this discriminator model
+ * @api public
+ */
+
+DocumentArrayPath.prototype.discriminator = function(name, schema, options) {
+  if (typeof name === 'function') {
+    name = utils.getFunctionName(name);
+  }
+
+  options = options || {};
+  const tiedValue = utils.isPOJO(options) ? options.value : options;
+  const clone = typeof options.clone === 'boolean' ? options.clone : true;
+
+  if (schema.instanceOfSchema && clone) {
+    schema = schema.clone();
+  }
+
+  schema = discriminator(this.casterConstructor, name, schema, tiedValue);
+
+  const EmbeddedDocument = _createConstructor(schema, null, this.casterConstructor);
+  EmbeddedDocument.baseCasterConstructor = this.casterConstructor;
+
+  try {
+    Object.defineProperty(EmbeddedDocument, 'name', {
+      value: name
+    });
+  } catch (error) {
+    // Ignore error, only happens on old versions of node
+  }
+
+  this.casterConstructor.discriminators[name] = EmbeddedDocument;
+
+  return this.casterConstructor.discriminators[name];
+};
+
+/**
+ * Performs local validations first, then validations on each embedded doc
+ *
+ * @api private
+ */
+
+DocumentArrayPath.prototype.doValidate = function(array, fn, scope, options) {
+  // lazy load
+  MongooseDocumentArray || (MongooseDocumentArray = require('../types/DocumentArray'));
+
+  const _this = this;
+  try {
+    SchemaType.prototype.doValidate.call(this, array, cb, scope);
+  } catch (err) {
+    return fn(err);
+  }
+
+  function cb(err) {
+    if (err) {
+      return fn(err);
+    }
+
+    let count = array && array.length;
+    let error;
+
+    if (!count) {
+      return fn();
+    }
+    if (options && options.updateValidator) {
+      return fn();
+    }
+    if (!utils.isMongooseDocumentArray(array)) {
+      array = new MongooseDocumentArray(array, _this.path, scope);
+    }
+
+    // handle sparse arrays, do not use array.forEach which does not
+    // iterate over sparse elements yet reports array.length including
+    // them :(
+
+    function callback(err) {
+      if (err != null) {
+        error = err;
+      }
+      --count || fn(error);
+    }
+
+    for (let i = 0, len = count; i < len; ++i) {
+      // sidestep sparse entries
+      let doc = array[i];
+      if (doc == null) {
+        --count || fn(error);
+        continue;
+      }
+
+      // If you set the array index directly, the doc might not yet be
+      // a full fledged mongoose subdoc, so make it into one.
+      if (!(doc instanceof Subdocument)) {
+        const Constructor = getConstructor(_this.casterConstructor, array[i]);
+        doc = array[i] = new Constructor(doc, array, undefined, undefined, i);
+      }
+
+      if (options != null && options.validateModifiedOnly && !doc.$isModified()) {
+        --count || fn(error);
+        continue;
+      }
+
+      doc.$__validate(callback);
+    }
+  }
+};
+
+/**
+ * Performs local validations first, then validations on each embedded doc.
+ *
+ * #### Note:
+ *
+ * This method ignores the asynchronous validators.
+ *
+ * @return {MongooseError|undefined}
+ * @api private
+ */
+
+DocumentArrayPath.prototype.doValidateSync = function(array, scope, options) {
+  const schemaTypeError = SchemaType.prototype.doValidateSync.call(this, array, scope);
+  if (schemaTypeError != null) {
+    return schemaTypeError;
+  }
+
+  const count = array && array.length;
+  let resultError = null;
+
+  if (!count) {
+    return;
+  }
+
+  // handle sparse arrays, do not use array.forEach which does not
+  // iterate over sparse elements yet reports array.length including
+  // them :(
+
+  for (let i = 0, len = count; i < len; ++i) {
+    // sidestep sparse entries
+    let doc = array[i];
+    if (!doc) {
+      continue;
+    }
+
+    // If you set the array index directly, the doc might not yet be
+    // a full fledged mongoose subdoc, so make it into one.
+    if (!(doc instanceof Subdocument)) {
+      const Constructor = getConstructor(this.casterConstructor, array[i]);
+      doc = array[i] = new Constructor(doc, array, undefined, undefined, i);
+    }
+
+    if (options != null && options.validateModifiedOnly && !doc.$isModified()) {
+      continue;
+    }
+
+    const subdocValidateError = doc.validateSync();
+
+    if (subdocValidateError && resultError == null) {
+      resultError = subdocValidateError;
+    }
+  }
+
+  return resultError;
+};
+
+/*!
+ * ignore
+ */
+
+DocumentArrayPath.prototype.getDefault = function(scope, init, options) {
+  let ret = typeof this.defaultValue === 'function'
+    ? this.defaultValue.call(scope)
+    : this.defaultValue;
+
+  if (ret == null) {
+    return ret;
+  }
+
+  if (options && options.skipCast) {
+    return ret;
+  }
+
+  // lazy load
+  MongooseDocumentArray || (MongooseDocumentArray = require('../types/DocumentArray'));
+
+  if (!Array.isArray(ret)) {
+    ret = [ret];
+  }
+
+  ret = new MongooseDocumentArray(ret, this.path, scope);
+
+  for (let i = 0; i < ret.length; ++i) {
+    const Constructor = getConstructor(this.casterConstructor, ret[i]);
+    const _subdoc = new Constructor({}, ret, undefined,
+      undefined, i);
+    _subdoc.$init(ret[i]);
+    _subdoc.isNew = true;
+
+    // Make sure all paths in the subdoc are set to `default` instead
+    // of `init` since we used `init`.
+    Object.assign(_subdoc.$__.activePaths.default, _subdoc.$__.activePaths.init);
+    _subdoc.$__.activePaths.init = {};
+
+    ret[i] = _subdoc;
+  }
+
+  return ret;
+};
+
+const _toObjectOptions = Object.freeze({ transform: false, virtuals: false });
+const initDocumentOptions = Object.freeze({ skipId: false, willInit: true });
+
+/**
+ * Casts contents
+ *
+ * @param {Object} value
+ * @param {Document} document that triggers the casting
+ * @api private
+ */
+
+DocumentArrayPath.prototype.cast = function(value, doc, init, prev, options) {
+  // lazy load
+  MongooseDocumentArray || (MongooseDocumentArray = require('../types/DocumentArray'));
+
+  // Skip casting if `value` is the same as the previous value, no need to cast. See gh-9266
+  if (value != null && value[arrayPathSymbol] != null && value === prev) {
+    return value;
+  }
+
+  let selected;
+  let subdoc;
+
+  options = options || {};
+
+  if (!Array.isArray(value)) {
+    if (!init && !DocumentArrayPath.options.castNonArrays) {
+      throw new CastError('DocumentArray', value, this.path, null, this);
+    }
+    // gh-2442 mark whole array as modified if we're initializing a doc from
+    // the db and the path isn't an array in the document
+    if (!!doc && init) {
+      doc.markModified(this.path);
+    }
+    return this.cast([value], doc, init, prev, options);
+  }
+
+  // We need to create a new array, otherwise change tracking will
+  // update the old doc (gh-4449)
+  if (!options.skipDocumentArrayCast || utils.isMongooseDocumentArray(value)) {
+    value = new MongooseDocumentArray(value, this.path, doc);
+  }
+
+  if (prev != null) {
+    value[arrayAtomicsSymbol] = prev[arrayAtomicsSymbol] || {};
+  }
+
+  if (options.arrayPathIndex != null) {
+    value[arrayPathSymbol] = this.path + '.' + options.arrayPathIndex;
+  }
+
+  const rawArray = utils.isMongooseDocumentArray(value) ? value.__array : value;
+  const len = rawArray.length;
+
+  for (let i = 0; i < len; ++i) {
+    if (!rawArray[i]) {
+      continue;
+    }
+
+    const Constructor = getConstructor(this.casterConstructor, rawArray[i]);
+
+    // Check if the document has a different schema (re gh-3701)
+    if (rawArray[i].$__ != null && !(rawArray[i] instanceof Constructor)) {
+      const spreadDoc = handleSpreadDoc(rawArray[i], true);
+      if (rawArray[i] !== spreadDoc) {
+        rawArray[i] = spreadDoc;
+      } else {
+        rawArray[i] = rawArray[i].toObject({
+          transform: false,
+          // Special case: if different model, but same schema, apply virtuals
+          // re: gh-7898
+          virtuals: rawArray[i].schema === Constructor.schema
+        });
+      }
+    }
+
+    if (rawArray[i] instanceof Subdocument) {
+      if (rawArray[i][documentArrayParent] !== doc) {
+        if (init) {
+          const subdoc = new Constructor(null, value, initDocumentOptions, selected, i);
+          rawArray[i] = subdoc.$init(rawArray[i]);
+        } else {
+          const subdoc = new Constructor(rawArray[i], value, undefined, undefined, i);
+          rawArray[i] = subdoc;
+        }
+      }
+      // Might not have the correct index yet, so ensure it does.
+      if (rawArray[i].__index == null) {
+        rawArray[i].$setIndex(i);
+      }
+    } else if (rawArray[i] != null) {
+      if (init) {
+        if (doc) {
+          selected || (selected = scopePaths(this, doc.$__.selected, init));
+        } else {
+          selected = true;
+        }
+
+        subdoc = new Constructor(null, value, initDocumentOptions, selected, i);
+        rawArray[i] = subdoc.$init(rawArray[i]);
+      } else {
+        if (prev && typeof prev.id === 'function') {
+          subdoc = prev.id(rawArray[i]._id);
+        }
+
+        if (prev && subdoc && utils.deepEqual(subdoc.toObject(_toObjectOptions), rawArray[i])) {
+          // handle resetting doc with existing id and same data
+          subdoc.set(rawArray[i]);
+          // if set() is hooked it will have no return value
+          // see gh-746
+          rawArray[i] = subdoc;
+        } else {
+          try {
+            subdoc = new Constructor(rawArray[i], value, undefined,
+              undefined, i);
+            // if set() is hooked it will have no return value
+            // see gh-746
+            rawArray[i] = subdoc;
+          } catch (error) {
+            throw new CastError('embedded', rawArray[i],
+              value[arrayPathSymbol], error, this);
+          }
+        }
+      }
+    }
+  }
+
+  return value;
+};
+
+/*!
+ * ignore
+ */
+
+DocumentArrayPath.prototype.clone = function() {
+  const options = Object.assign({}, this.options);
+  const schematype = new this.constructor(this.path, this.schema, options, this.schemaOptions);
+  schematype.validators = this.validators.slice();
+  if (this.requiredValidator !== undefined) {
+    schematype.requiredValidator = this.requiredValidator;
+  }
+  schematype.Constructor.discriminators = Object.assign({},
+    this.Constructor.discriminators);
+  return schematype;
+};
+
+/*!
+ * ignore
+ */
+
+DocumentArrayPath.prototype.applyGetters = function(value, scope) {
+  return SchemaType.prototype.applyGetters.call(this, value, scope);
+};
+
+/**
+ * Scopes paths selected in a query to this array.
+ * Necessary for proper default application of subdocument values.
+ *
+ * @param {DocumentArrayPath} array the array to scope `fields` paths
+ * @param {Object|undefined} fields the root fields selected in the query
+ * @param {Boolean|undefined} init if we are being created part of a query result
+ * @api private
+ */
+
+function scopePaths(array, fields, init) {
+  if (!(init && fields)) {
+    return undefined;
+  }
+
+  const path = array.path + '.';
+  const keys = Object.keys(fields);
+  let i = keys.length;
+  const selected = {};
+  let hasKeys;
+  let key;
+  let sub;
+
+  while (i--) {
+    key = keys[i];
+    if (key.startsWith(path)) {
+      sub = key.substring(path.length);
+      if (sub === '$') {
+        continue;
+      }
+      if (sub.startsWith('$.')) {
+        sub = sub.substring(2);
+      }
+      hasKeys || (hasKeys = true);
+      selected[sub] = fields[key];
+    }
+  }
+
+  return hasKeys && selected || undefined;
+}
+
+/*!
+ * ignore
+ */
+
+DocumentArrayPath.defaultOptions = {};
+
+/**
+ * Sets a default option for all DocumentArray instances.
+ *
+ * #### Example:
+ *
+ *     // Make all numbers have option `min` equal to 0.
+ *     mongoose.Schema.DocumentArray.set('_id', false);
+ *
+ * @param {String} option The name of the option you'd like to set (e.g. trim, lowercase, etc...)
+ * @param {Any} value The value of the option you'd like to set.
+ * @return {void}
+ * @function set
+ * @static
+ * @api public
+ */
+
+DocumentArrayPath.set = SchemaType.set;
+
+/*!
+ * Module exports.
+ */
+
+module.exports = DocumentArrayPath;
diff --git a/node_modules/mongoose/lib/schema/index.js b/node_modules/mongoose/lib/schema/index.js
new file mode 100644
index 000000000..999bef7c6
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/index.js
@@ -0,0 +1,37 @@
+
+/*!
+ * Module exports.
+ */
+
+'use strict';
+
+exports.String = require('./string');
+
+exports.Number = require('./number');
+
+exports.Boolean = require('./boolean');
+
+exports.DocumentArray = require('./documentarray');
+
+exports.Subdocument = require('./SubdocumentPath');
+
+exports.Array = require('./array');
+
+exports.Buffer = require('./buffer');
+
+exports.Date = require('./date');
+
+exports.ObjectId = require('./objectid');
+
+exports.Mixed = require('./mixed');
+
+exports.Decimal128 = exports.Decimal = require('./decimal128');
+
+exports.Map = require('./map');
+
+// alias
+
+exports.Oid = exports.ObjectId;
+exports.Object = exports.Mixed;
+exports.Bool = exports.Boolean;
+exports.ObjectID = exports.ObjectId;
diff --git a/node_modules/mongoose/lib/schema/map.js b/node_modules/mongoose/lib/schema/map.js
new file mode 100644
index 000000000..ce25a11f5
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/map.js
@@ -0,0 +1,84 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+const MongooseMap = require('../types/map');
+const SchemaMapOptions = require('../options/SchemaMapOptions');
+const SchemaType = require('../schematype');
+/*!
+ * ignore
+ */
+
+class Map extends SchemaType {
+  constructor(key, options) {
+    super(key, options, 'Map');
+    this.$isSchemaMap = true;
+  }
+
+  set(option, value) {
+    return SchemaType.set(option, value);
+  }
+
+  cast(val, doc, init) {
+    if (val instanceof MongooseMap) {
+      return val;
+    }
+
+    const path = this.path;
+
+    if (init) {
+      const map = new MongooseMap({}, path, doc, this.$__schemaType);
+
+      if (val instanceof global.Map) {
+        for (const key of val.keys()) {
+          let _val = val.get(key);
+          if (_val == null) {
+            _val = map.$__schemaType._castNullish(_val);
+          } else {
+            _val = map.$__schemaType.cast(_val, doc, true, null, { path: path + '.' + key });
+          }
+          map.$init(key, _val);
+        }
+      } else {
+        for (const key of Object.keys(val)) {
+          let _val = val[key];
+          if (_val == null) {
+            _val = map.$__schemaType._castNullish(_val);
+          } else {
+            _val = map.$__schemaType.cast(_val, doc, true, null, { path: path + '.' + key });
+          }
+          map.$init(key, _val);
+        }
+      }
+
+      return map;
+    }
+
+    return new MongooseMap(val, path, doc, this.$__schemaType);
+  }
+
+  clone() {
+    const schematype = super.clone();
+
+    if (this.$__schemaType != null) {
+      schematype.$__schemaType = this.$__schemaType.clone();
+    }
+    return schematype;
+  }
+}
+
+/**
+ * This schema type's name, to defend against minifiers that mangle
+ * function names.
+ *
+ * @api public
+ */
+Map.schemaName = 'Map';
+
+Map.prototype.OptionsConstructor = SchemaMapOptions;
+
+Map.defaultOptions = {};
+
+module.exports = Map;
diff --git a/node_modules/mongoose/lib/schema/mixed.js b/node_modules/mongoose/lib/schema/mixed.js
new file mode 100644
index 000000000..6fbaba094
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/mixed.js
@@ -0,0 +1,132 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const SchemaType = require('../schematype');
+const symbols = require('./symbols');
+const isObject = require('../helpers/isObject');
+const utils = require('../utils');
+
+/**
+ * Mixed SchemaType constructor.
+ *
+ * @param {String} path
+ * @param {Object} options
+ * @inherits SchemaType
+ * @api public
+ */
+
+function Mixed(path, options) {
+  if (options && options.default) {
+    const def = options.default;
+    if (Array.isArray(def) && def.length === 0) {
+      // make sure empty array defaults are handled
+      options.default = Array;
+    } else if (!options.shared && isObject(def) && Object.keys(def).length === 0) {
+      // prevent odd "shared" objects between documents
+      options.default = function() {
+        return {};
+      };
+    }
+  }
+
+  SchemaType.call(this, path, options, 'Mixed');
+
+  this[symbols.schemaMixedSymbol] = true;
+}
+
+/**
+ * This schema type's name, to defend against minifiers that mangle
+ * function names.
+ *
+ * @api public
+ */
+Mixed.schemaName = 'Mixed';
+
+Mixed.defaultOptions = {};
+
+/*!
+ * Inherits from SchemaType.
+ */
+Mixed.prototype = Object.create(SchemaType.prototype);
+Mixed.prototype.constructor = Mixed;
+
+/**
+ * Attaches a getter for all Mixed paths.
+ *
+ * #### Example:
+ *
+ *     // Hide the 'hidden' path
+ *     mongoose.Schema.Mixed.get(v => Object.assign({}, v, { hidden: null }));
+ *
+ *     const Model = mongoose.model('Test', new Schema({ test: {} }));
+ *     new Model({ test: { hidden: 'Secret!' } }).test.hidden; // null
+ *
+ * @param {Function} getter
+ * @return {this}
+ * @function get
+ * @static
+ * @api public
+ */
+
+Mixed.get = SchemaType.get;
+
+/**
+ * Sets a default option for all Mixed instances.
+ *
+ * #### Example:
+ *
+ *     // Make all mixed instances have `required` of true by default.
+ *     mongoose.Schema.Mixed.set('required', true);
+ *
+ *     const User = mongoose.model('User', new Schema({ test: mongoose.Mixed }));
+ *     new User({ }).validateSync().errors.test.message; // Path `test` is required.
+ *
+ * @param {String} option The option you'd like to set the value for
+ * @param {Any} value value for option
+ * @return {undefined}
+ * @function set
+ * @static
+ * @api public
+ */
+
+Mixed.set = SchemaType.set;
+
+/**
+ * Casts `val` for Mixed.
+ *
+ * _this is a no-op_
+ *
+ * @param {Object} value to cast
+ * @api private
+ */
+
+Mixed.prototype.cast = function(val) {
+  if (val instanceof Error) {
+    return utils.errorToPOJO(val);
+  }
+  return val;
+};
+
+/**
+ * Casts contents for queries.
+ *
+ * @param {String} $cond
+ * @param {any} [val]
+ * @api private
+ */
+
+Mixed.prototype.castForQuery = function($cond, val) {
+  if (arguments.length === 2) {
+    return val;
+  }
+  return $cond;
+};
+
+/*!
+ * Module exports.
+ */
+
+module.exports = Mixed;
diff --git a/node_modules/mongoose/lib/schema/number.js b/node_modules/mongoose/lib/schema/number.js
new file mode 100644
index 000000000..bbee66df7
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/number.js
@@ -0,0 +1,438 @@
+'use strict';
+
+/*!
+ * Module requirements.
+ */
+
+const MongooseError = require('../error/index');
+const SchemaNumberOptions = require('../options/SchemaNumberOptions');
+const SchemaType = require('../schematype');
+const castNumber = require('../cast/number');
+const handleBitwiseOperator = require('./operators/bitwise');
+const utils = require('../utils');
+
+const CastError = SchemaType.CastError;
+
+/**
+ * Number SchemaType constructor.
+ *
+ * @param {String} key
+ * @param {Object} options
+ * @inherits SchemaType
+ * @api public
+ */
+
+function SchemaNumber(key, options) {
+  SchemaType.call(this, key, options, 'Number');
+}
+
+/**
+ * Attaches a getter for all Number instances.
+ *
+ * #### Example:
+ *
+ *     // Make all numbers round down
+ *     mongoose.Number.get(function(v) { return Math.floor(v); });
+ *
+ *     const Model = mongoose.model('Test', new Schema({ test: Number }));
+ *     new Model({ test: 3.14 }).test; // 3
+ *
+ * @param {Function} getter
+ * @return {this}
+ * @function get
+ * @static
+ * @api public
+ */
+
+SchemaNumber.get = SchemaType.get;
+
+/**
+ * Sets a default option for all Number instances.
+ *
+ * #### Example:
+ *
+ *     // Make all numbers have option `min` equal to 0.
+ *     mongoose.Schema.Number.set('min', 0);
+ *
+ *     const Order = mongoose.model('Order', new Schema({ amount: Number }));
+ *     new Order({ amount: -10 }).validateSync().errors.amount.message; // Path `amount` must be larger than 0.
+ *
+ * @param {String} option The option you'd like to set the value for
+ * @param {Any} value value for option
+ * @return {undefined}
+ * @function set
+ * @static
+ * @api public
+ */
+
+SchemaNumber.set = SchemaType.set;
+
+/*!
+ * ignore
+ */
+
+SchemaNumber._cast = castNumber;
+
+/**
+ * Get/set the function used to cast arbitrary values to numbers.
+ *
+ * #### Example:
+ *
+ *     // Make Mongoose cast empty strings '' to 0 for paths declared as numbers
+ *     const original = mongoose.Number.cast();
+ *     mongoose.Number.cast(v => {
+ *       if (v === '') { return 0; }
+ *       return original(v);
+ *     });
+ *
+ *     // Or disable casting entirely
+ *     mongoose.Number.cast(false);
+ *
+ * @param {Function} caster
+ * @return {Function}
+ * @function get
+ * @static
+ * @api public
+ */
+
+SchemaNumber.cast = function cast(caster) {
+  if (arguments.length === 0) {
+    return this._cast;
+  }
+  if (caster === false) {
+    caster = this._defaultCaster;
+  }
+  this._cast = caster;
+
+  return this._cast;
+};
+
+/*!
+ * ignore
+ */
+
+SchemaNumber._defaultCaster = v => {
+  if (typeof v !== 'number') {
+    throw new Error();
+  }
+  return v;
+};
+
+/**
+ * This schema type's name, to defend against minifiers that mangle
+ * function names.
+ *
+ * @api public
+ */
+SchemaNumber.schemaName = 'Number';
+
+SchemaNumber.defaultOptions = {};
+
+/*!
+ * Inherits from SchemaType.
+ */
+SchemaNumber.prototype = Object.create(SchemaType.prototype);
+SchemaNumber.prototype.constructor = SchemaNumber;
+SchemaNumber.prototype.OptionsConstructor = SchemaNumberOptions;
+
+/*!
+ * ignore
+ */
+
+SchemaNumber._checkRequired = v => typeof v === 'number' || v instanceof Number;
+
+/**
+ * Override the function the required validator uses to check whether a string
+ * passes the `required` check.
+ *
+ * @param {Function} fn
+ * @return {Function}
+ * @function checkRequired
+ * @static
+ * @api public
+ */
+
+SchemaNumber.checkRequired = SchemaType.checkRequired;
+
+/**
+ * Check if the given value satisfies a required validator.
+ *
+ * @param {Any} value
+ * @param {Document} doc
+ * @return {Boolean}
+ * @api public
+ */
+
+SchemaNumber.prototype.checkRequired = function checkRequired(value, doc) {
+  if (typeof value === 'object' && SchemaType._isRef(this, value, doc, true)) {
+    return value != null;
+  }
+
+  // `require('util').inherits()` does **not** copy static properties, and
+  // plugins like mongoose-float use `inherits()` for pre-ES6.
+  const _checkRequired = typeof this.constructor.checkRequired === 'function' ?
+    this.constructor.checkRequired() :
+    SchemaNumber.checkRequired();
+
+  return _checkRequired(value);
+};
+
+/**
+ * Sets a minimum number validator.
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ n: { type: Number, min: 10 })
+ *     const M = db.model('M', s)
+ *     const m = new M({ n: 9 })
+ *     m.save(function (err) {
+ *       console.error(err) // validator error
+ *       m.n = 10;
+ *       m.save() // success
+ *     })
+ *
+ *     // custom error messages
+ *     // We can also use the special {MIN} token which will be replaced with the invalid value
+ *     const min = [10, 'The value of path `{PATH}` ({VALUE}) is beneath the limit ({MIN}).'];
+ *     const schema = new Schema({ n: { type: Number, min: min })
+ *     const M = mongoose.model('Measurement', schema);
+ *     const s= new M({ n: 4 });
+ *     s.validate(function (err) {
+ *       console.log(String(err)) // ValidationError: The value of path `n` (4) is beneath the limit (10).
+ *     })
+ *
+ * @param {Number} value minimum number
+ * @param {String} [message] optional custom error message
+ * @return {SchemaType} this
+ * @see Customized Error Messages #error_messages_MongooseError-messages
+ * @api public
+ */
+
+SchemaNumber.prototype.min = function(value, message) {
+  if (this.minValidator) {
+    this.validators = this.validators.filter(function(v) {
+      return v.validator !== this.minValidator;
+    }, this);
+  }
+
+  if (value !== null && value !== undefined) {
+    let msg = message || MongooseError.messages.Number.min;
+    msg = msg.replace(/{MIN}/, value);
+    this.validators.push({
+      validator: this.minValidator = function(v) {
+        return v == null || v >= value;
+      },
+      message: msg,
+      type: 'min',
+      min: value
+    });
+  }
+
+  return this;
+};
+
+/**
+ * Sets a maximum number validator.
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ n: { type: Number, max: 10 })
+ *     const M = db.model('M', s)
+ *     const m = new M({ n: 11 })
+ *     m.save(function (err) {
+ *       console.error(err) // validator error
+ *       m.n = 10;
+ *       m.save() // success
+ *     })
+ *
+ *     // custom error messages
+ *     // We can also use the special {MAX} token which will be replaced with the invalid value
+ *     const max = [10, 'The value of path `{PATH}` ({VALUE}) exceeds the limit ({MAX}).'];
+ *     const schema = new Schema({ n: { type: Number, max: max })
+ *     const M = mongoose.model('Measurement', schema);
+ *     const s= new M({ n: 4 });
+ *     s.validate(function (err) {
+ *       console.log(String(err)) // ValidationError: The value of path `n` (4) exceeds the limit (10).
+ *     })
+ *
+ * @param {Number} maximum number
+ * @param {String} [message] optional custom error message
+ * @return {SchemaType} this
+ * @see Customized Error Messages #error_messages_MongooseError-messages
+ * @api public
+ */
+
+SchemaNumber.prototype.max = function(value, message) {
+  if (this.maxValidator) {
+    this.validators = this.validators.filter(function(v) {
+      return v.validator !== this.maxValidator;
+    }, this);
+  }
+
+  if (value !== null && value !== undefined) {
+    let msg = message || MongooseError.messages.Number.max;
+    msg = msg.replace(/{MAX}/, value);
+    this.validators.push({
+      validator: this.maxValidator = function(v) {
+        return v == null || v <= value;
+      },
+      message: msg,
+      type: 'max',
+      max: value
+    });
+  }
+
+  return this;
+};
+
+/**
+ * Sets a enum validator
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ n: { type: Number, enum: [1, 2, 3] });
+ *     const M = db.model('M', s);
+ *
+ *     const m = new M({ n: 4 });
+ *     await m.save(); // throws validation error
+ *
+ *     m.n = 3;
+ *     await m.save(); // succeeds
+ *
+ * @param {Array} values allowed values
+ * @param {String} [message] optional custom error message
+ * @return {SchemaType} this
+ * @see Customized Error Messages #error_messages_MongooseError-messages
+ * @api public
+ */
+
+SchemaNumber.prototype.enum = function(values, message) {
+  if (this.enumValidator) {
+    this.validators = this.validators.filter(function(v) {
+      return v.validator !== this.enumValidator;
+    }, this);
+  }
+
+
+  if (!Array.isArray(values)) {
+    const isObjectSyntax = utils.isPOJO(values) && values.values != null;
+    if (isObjectSyntax) {
+      message = values.message;
+      values = values.values;
+    } else if (typeof values === 'number') {
+      values = Array.prototype.slice.call(arguments);
+      message = null;
+    }
+
+    if (utils.isPOJO(values)) {
+      values = Object.values(values);
+    }
+    message = message || MongooseError.messages.Number.enum;
+  }
+
+  message = message == null ? MongooseError.messages.Number.enum : message;
+
+  this.enumValidator = v => v == null || values.indexOf(v) !== -1;
+  this.validators.push({
+    validator: this.enumValidator,
+    message: message,
+    type: 'enum',
+    enumValues: values
+  });
+
+  return this;
+};
+
+/**
+ * Casts to number
+ *
+ * @param {Object} value value to cast
+ * @param {Document} doc document that triggers the casting
+ * @param {Boolean} init
+ * @api private
+ */
+
+SchemaNumber.prototype.cast = function(value, doc, init) {
+  if (typeof value !== 'number' && SchemaType._isRef(this, value, doc, init)) {
+    if (value == null || utils.isNonBuiltinObject(value)) {
+      return this._castRef(value, doc, init);
+    }
+  }
+
+  const val = value && typeof value._id !== 'undefined' ?
+    value._id : // documents
+    value;
+
+  let castNumber;
+  if (typeof this._castFunction === 'function') {
+    castNumber = this._castFunction;
+  } else if (typeof this.constructor.cast === 'function') {
+    castNumber = this.constructor.cast();
+  } else {
+    castNumber = SchemaNumber.cast();
+  }
+
+  try {
+    return castNumber(val);
+  } catch (err) {
+    throw new CastError('Number', val, this.path, err, this);
+  }
+};
+
+/*!
+ * ignore
+ */
+
+function handleSingle(val) {
+  return this.cast(val);
+}
+
+function handleArray(val) {
+  const _this = this;
+  if (!Array.isArray(val)) {
+    return [this.cast(val)];
+  }
+  return val.map(function(m) {
+    return _this.cast(m);
+  });
+}
+
+SchemaNumber.prototype.$conditionalHandlers =
+    utils.options(SchemaType.prototype.$conditionalHandlers, {
+      $bitsAllClear: handleBitwiseOperator,
+      $bitsAnyClear: handleBitwiseOperator,
+      $bitsAllSet: handleBitwiseOperator,
+      $bitsAnySet: handleBitwiseOperator,
+      $gt: handleSingle,
+      $gte: handleSingle,
+      $lt: handleSingle,
+      $lte: handleSingle,
+      $mod: handleArray
+    });
+
+/**
+ * Casts contents for queries.
+ *
+ * @param {String} $conditional
+ * @param {any} [value]
+ * @api private
+ */
+
+SchemaNumber.prototype.castForQuery = function($conditional, val) {
+  let handler;
+  if (arguments.length === 2) {
+    handler = this.$conditionalHandlers[$conditional];
+    if (!handler) {
+      throw new CastError('number', val, this.path, null, this);
+    }
+    return handler.call(this, val);
+  }
+  val = this._castForQuery($conditional);
+  return val;
+};
+
+/*!
+ * Module exports.
+ */
+
+module.exports = SchemaNumber;
diff --git a/node_modules/mongoose/lib/schema/objectid.js b/node_modules/mongoose/lib/schema/objectid.js
new file mode 100644
index 000000000..56d09ed37
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/objectid.js
@@ -0,0 +1,295 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const SchemaObjectIdOptions = require('../options/SchemaObjectIdOptions');
+const SchemaType = require('../schematype');
+const castObjectId = require('../cast/objectid');
+const getConstructorName = require('../helpers/getConstructorName');
+const oid = require('../types/objectid');
+const isBsonType = require('../helpers/isBsonType');
+const utils = require('../utils');
+
+const CastError = SchemaType.CastError;
+let Document;
+
+/**
+ * ObjectId SchemaType constructor.
+ *
+ * @param {String} key
+ * @param {Object} options
+ * @inherits SchemaType
+ * @api public
+ */
+
+function ObjectId(key, options) {
+  const isKeyHexStr = typeof key === 'string' && key.length === 24 && /^[a-f0-9]+$/i.test(key);
+  const suppressWarning = options && options.suppressWarning;
+  if ((isKeyHexStr || typeof key === 'undefined') && !suppressWarning) {
+    utils.warn('mongoose: To create a new ObjectId please try ' +
+      '`Mongoose.Types.ObjectId` instead of using ' +
+      '`Mongoose.Schema.ObjectId`. Set the `suppressWarning` option if ' +
+      'you\'re trying to create a hex char path in your schema.');
+  }
+  SchemaType.call(this, key, options, 'ObjectID');
+}
+
+/**
+ * This schema type's name, to defend against minifiers that mangle
+ * function names.
+ *
+ * @api public
+ */
+ObjectId.schemaName = 'ObjectId';
+
+ObjectId.defaultOptions = {};
+
+/*!
+ * Inherits from SchemaType.
+ */
+ObjectId.prototype = Object.create(SchemaType.prototype);
+ObjectId.prototype.constructor = ObjectId;
+ObjectId.prototype.OptionsConstructor = SchemaObjectIdOptions;
+
+/**
+ * Attaches a getter for all ObjectId instances
+ *
+ * #### Example:
+ *
+ *     // Always convert to string when getting an ObjectId
+ *     mongoose.ObjectId.get(v => v.toString());
+ *
+ *     const Model = mongoose.model('Test', new Schema({}));
+ *     typeof (new Model({})._id); // 'string'
+ *
+ * @param {Function} getter
+ * @return {this}
+ * @function get
+ * @static
+ * @api public
+ */
+
+ObjectId.get = SchemaType.get;
+
+/**
+ * Sets a default option for all ObjectId instances.
+ *
+ * #### Example:
+ *
+ *     // Make all object ids have option `required` equal to true.
+ *     mongoose.Schema.ObjectId.set('required', true);
+ *
+ *     const Order = mongoose.model('Order', new Schema({ userId: ObjectId }));
+ *     new Order({ }).validateSync().errors.userId.message; // Path `userId` is required.
+ *
+ * @param {String} option The option you'd like to set the value for
+ * @param {Any} value value for option
+ * @return {undefined}
+ * @function set
+ * @static
+ * @api public
+ */
+
+ObjectId.set = SchemaType.set;
+
+/**
+ * Adds an auto-generated ObjectId default if turnOn is true.
+ * @param {Boolean} turnOn auto generated ObjectId defaults
+ * @api public
+ * @return {SchemaType} this
+ */
+
+ObjectId.prototype.auto = function(turnOn) {
+  if (turnOn) {
+    this.default(defaultId);
+    this.set(resetId);
+  }
+
+  return this;
+};
+
+/*!
+ * ignore
+ */
+
+ObjectId._checkRequired = v => isBsonType(v, 'ObjectID');
+
+/*!
+ * ignore
+ */
+
+ObjectId._cast = castObjectId;
+
+/**
+ * Get/set the function used to cast arbitrary values to objectids.
+ *
+ * #### Example:
+ *
+ *     // Make Mongoose only try to cast length 24 strings. By default, any 12
+ *     // char string is a valid ObjectId.
+ *     const original = mongoose.ObjectId.cast();
+ *     mongoose.ObjectId.cast(v => {
+ *       assert.ok(typeof v !== 'string' || v.length === 24);
+ *       return original(v);
+ *     });
+ *
+ *     // Or disable casting entirely
+ *     mongoose.ObjectId.cast(false);
+ *
+ * @param {Function} caster
+ * @return {Function}
+ * @function get
+ * @static
+ * @api public
+ */
+
+ObjectId.cast = function cast(caster) {
+  if (arguments.length === 0) {
+    return this._cast;
+  }
+  if (caster === false) {
+    caster = this._defaultCaster;
+  }
+  this._cast = caster;
+
+  return this._cast;
+};
+
+/*!
+ * ignore
+ */
+
+ObjectId._defaultCaster = v => {
+  if (!(isBsonType(v, 'ObjectID'))) {
+    throw new Error(v + ' is not an instance of ObjectId');
+  }
+  return v;
+};
+
+/**
+ * Override the function the required validator uses to check whether a string
+ * passes the `required` check.
+ *
+ * #### Example:
+ *
+ *     // Allow empty strings to pass `required` check
+ *     mongoose.Schema.Types.String.checkRequired(v => v != null);
+ *
+ *     const M = mongoose.model({ str: { type: String, required: true } });
+ *     new M({ str: '' }).validateSync(); // `null`, validation passes!
+ *
+ * @param {Function} fn
+ * @return {Function}
+ * @function checkRequired
+ * @static
+ * @api public
+ */
+
+ObjectId.checkRequired = SchemaType.checkRequired;
+
+/**
+ * Check if the given value satisfies a required validator.
+ *
+ * @param {Any} value
+ * @param {Document} doc
+ * @return {Boolean}
+ * @api public
+ */
+
+ObjectId.prototype.checkRequired = function checkRequired(value, doc) {
+  if (SchemaType._isRef(this, value, doc, true)) {
+    return !!value;
+  }
+
+  // `require('util').inherits()` does **not** copy static properties, and
+  // plugins like mongoose-float use `inherits()` for pre-ES6.
+  const _checkRequired = typeof this.constructor.checkRequired === 'function' ?
+    this.constructor.checkRequired() :
+    ObjectId.checkRequired();
+
+  return _checkRequired(value);
+};
+
+/**
+ * Casts to ObjectId
+ *
+ * @param {Object} value
+ * @param {Object} doc
+ * @param {Boolean} init whether this is an initialization cast
+ * @api private
+ */
+
+ObjectId.prototype.cast = function(value, doc, init) {
+  if (!(isBsonType(value, 'ObjectID')) && SchemaType._isRef(this, value, doc, init)) {
+    // wait! we may need to cast this to a document
+    if ((getConstructorName(value) || '').toLowerCase() === 'objectid') {
+      return new oid(value.toHexString());
+    }
+
+    if (value == null || utils.isNonBuiltinObject(value)) {
+      return this._castRef(value, doc, init);
+    }
+  }
+
+  let castObjectId;
+  if (typeof this._castFunction === 'function') {
+    castObjectId = this._castFunction;
+  } else if (typeof this.constructor.cast === 'function') {
+    castObjectId = this.constructor.cast();
+  } else {
+    castObjectId = ObjectId.cast();
+  }
+
+  try {
+    return castObjectId(value);
+  } catch (error) {
+    throw new CastError('ObjectId', value, this.path, error, this);
+  }
+};
+
+/*!
+ * ignore
+ */
+
+function handleSingle(val) {
+  return this.cast(val);
+}
+
+ObjectId.prototype.$conditionalHandlers =
+    utils.options(SchemaType.prototype.$conditionalHandlers, {
+      $gt: handleSingle,
+      $gte: handleSingle,
+      $lt: handleSingle,
+      $lte: handleSingle
+    });
+
+/*!
+ * ignore
+ */
+
+function defaultId() {
+  return new oid();
+}
+
+defaultId.$runBeforeSetters = true;
+
+function resetId(v) {
+  Document || (Document = require('./../document'));
+
+  if (this instanceof Document) {
+    if (v === void 0) {
+      const _v = new oid();
+      return _v;
+    }
+  }
+
+  return v;
+}
+
+/*!
+ * Module exports.
+ */
+
+module.exports = ObjectId;
diff --git a/node_modules/mongoose/lib/schema/operators/bitwise.js b/node_modules/mongoose/lib/schema/operators/bitwise.js
new file mode 100644
index 000000000..07e18cd0c
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/operators/bitwise.js
@@ -0,0 +1,38 @@
+/*!
+ * Module requirements.
+ */
+
+'use strict';
+
+const CastError = require('../../error/cast');
+
+/*!
+ * ignore
+ */
+
+function handleBitwiseOperator(val) {
+  const _this = this;
+  if (Array.isArray(val)) {
+    return val.map(function(v) {
+      return _castNumber(_this.path, v);
+    });
+  } else if (Buffer.isBuffer(val)) {
+    return val;
+  }
+  // Assume trying to cast to number
+  return _castNumber(_this.path, val);
+}
+
+/*!
+ * ignore
+ */
+
+function _castNumber(path, num) {
+  const v = Number(num);
+  if (isNaN(v)) {
+    throw new CastError('number', num, path);
+  }
+  return v;
+}
+
+module.exports = handleBitwiseOperator;
diff --git a/node_modules/mongoose/lib/schema/operators/exists.js b/node_modules/mongoose/lib/schema/operators/exists.js
new file mode 100644
index 000000000..916b4cbf6
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/operators/exists.js
@@ -0,0 +1,12 @@
+'use strict';
+
+const castBoolean = require('../../cast/boolean');
+
+/*!
+ * ignore
+ */
+
+module.exports = function(val) {
+  const path = this != null ? this.path : null;
+  return castBoolean(val, path);
+};
diff --git a/node_modules/mongoose/lib/schema/operators/geospatial.js b/node_modules/mongoose/lib/schema/operators/geospatial.js
new file mode 100644
index 000000000..80a605207
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/operators/geospatial.js
@@ -0,0 +1,107 @@
+/*!
+ * Module requirements.
+ */
+
+'use strict';
+
+const castArraysOfNumbers = require('./helpers').castArraysOfNumbers;
+const castToNumber = require('./helpers').castToNumber;
+
+/*!
+ * ignore
+ */
+
+exports.cast$geoIntersects = cast$geoIntersects;
+exports.cast$near = cast$near;
+exports.cast$within = cast$within;
+
+function cast$near(val) {
+  const SchemaArray = require('../array');
+
+  if (Array.isArray(val)) {
+    castArraysOfNumbers(val, this);
+    return val;
+  }
+
+  _castMinMaxDistance(this, val);
+
+  if (val && val.$geometry) {
+    return cast$geometry(val, this);
+  }
+
+  if (!Array.isArray(val)) {
+    throw new TypeError('$near must be either an array or an object ' +
+      'with a $geometry property');
+  }
+
+  return SchemaArray.prototype.castForQuery.call(this, val);
+}
+
+function cast$geometry(val, self) {
+  switch (val.$geometry.type) {
+    case 'Polygon':
+    case 'LineString':
+    case 'Point':
+      castArraysOfNumbers(val.$geometry.coordinates, self);
+      break;
+    default:
+      // ignore unknowns
+      break;
+  }
+
+  _castMinMaxDistance(self, val);
+
+  return val;
+}
+
+function cast$within(val) {
+  _castMinMaxDistance(this, val);
+
+  if (val.$box || val.$polygon) {
+    const type = val.$box ? '$box' : '$polygon';
+    val[type].forEach(arr => {
+      if (!Array.isArray(arr)) {
+        const msg = 'Invalid $within $box argument. '
+            + 'Expected an array, received ' + arr;
+        throw new TypeError(msg);
+      }
+      arr.forEach((v, i) => {
+        arr[i] = castToNumber.call(this, v);
+      });
+    });
+  } else if (val.$center || val.$centerSphere) {
+    const type = val.$center ? '$center' : '$centerSphere';
+    val[type].forEach((item, i) => {
+      if (Array.isArray(item)) {
+        item.forEach((v, j) => {
+          item[j] = castToNumber.call(this, v);
+        });
+      } else {
+        val[type][i] = castToNumber.call(this, item);
+      }
+    });
+  } else if (val.$geometry) {
+    cast$geometry(val, this);
+  }
+
+  return val;
+}
+
+function cast$geoIntersects(val) {
+  const geo = val.$geometry;
+  if (!geo) {
+    return;
+  }
+
+  cast$geometry(val, this);
+  return val;
+}
+
+function _castMinMaxDistance(self, val) {
+  if (val.$maxDistance) {
+    val.$maxDistance = castToNumber.call(self, val.$maxDistance);
+  }
+  if (val.$minDistance) {
+    val.$minDistance = castToNumber.call(self, val.$minDistance);
+  }
+}
diff --git a/node_modules/mongoose/lib/schema/operators/helpers.js b/node_modules/mongoose/lib/schema/operators/helpers.js
new file mode 100644
index 000000000..4690ca3c5
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/operators/helpers.js
@@ -0,0 +1,32 @@
+'use strict';
+
+/*!
+ * Module requirements.
+ */
+
+const SchemaNumber = require('../number');
+
+/*!
+ * ignore
+ */
+
+exports.castToNumber = castToNumber;
+exports.castArraysOfNumbers = castArraysOfNumbers;
+
+/*!
+ * ignore
+ */
+
+function castToNumber(val) {
+  return SchemaNumber.cast()(val);
+}
+
+function castArraysOfNumbers(arr, self) {
+  arr.forEach(function(v, i) {
+    if (Array.isArray(v)) {
+      castArraysOfNumbers(v, self);
+    } else {
+      arr[i] = castToNumber.call(self, v);
+    }
+  });
+}
diff --git a/node_modules/mongoose/lib/schema/operators/text.js b/node_modules/mongoose/lib/schema/operators/text.js
new file mode 100644
index 000000000..f4734345b
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/operators/text.js
@@ -0,0 +1,39 @@
+'use strict';
+
+const CastError = require('../../error/cast');
+const castBoolean = require('../../cast/boolean');
+const castString = require('../../cast/string');
+
+/**
+ * Casts val to an object suitable for `$text`. Throws an error if the object
+ * can't be casted.
+ *
+ * @param {Any} val value to cast
+ * @param {String} [path] path to associate with any errors that occured
+ * @return {Object} casted object
+ * @see https://docs.mongodb.com/manual/reference/operator/query/text/
+ * @api private
+ */
+
+module.exports = function(val, path) {
+  if (val == null || typeof val !== 'object') {
+    throw new CastError('$text', val, path);
+  }
+
+  if (val.$search != null) {
+    val.$search = castString(val.$search, path + '.$search');
+  }
+  if (val.$language != null) {
+    val.$language = castString(val.$language, path + '.$language');
+  }
+  if (val.$caseSensitive != null) {
+    val.$caseSensitive = castBoolean(val.$caseSensitive,
+      path + '.$castSensitive');
+  }
+  if (val.$diacriticSensitive != null) {
+    val.$diacriticSensitive = castBoolean(val.$diacriticSensitive,
+      path + '.$diacriticSensitive');
+  }
+
+  return val;
+};
diff --git a/node_modules/mongoose/lib/schema/operators/type.js b/node_modules/mongoose/lib/schema/operators/type.js
new file mode 100644
index 000000000..952c79007
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/operators/type.js
@@ -0,0 +1,20 @@
+'use strict';
+
+/*!
+ * ignore
+ */
+
+module.exports = function(val) {
+  if (Array.isArray(val)) {
+    if (!val.every(v => typeof v === 'number' || typeof v === 'string')) {
+      throw new Error('$type array values must be strings or numbers');
+    }
+    return val;
+  }
+
+  if (typeof val !== 'number' && typeof val !== 'string') {
+    throw new Error('$type parameter must be number, string, or array of numbers and strings');
+  }
+
+  return val;
+};
diff --git a/node_modules/mongoose/lib/schema/string.js b/node_modules/mongoose/lib/schema/string.js
new file mode 100644
index 000000000..20a6be8ca
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/string.js
@@ -0,0 +1,694 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const SchemaType = require('../schematype');
+const MongooseError = require('../error/index');
+const SchemaStringOptions = require('../options/SchemaStringOptions');
+const castString = require('../cast/string');
+const utils = require('../utils');
+const isBsonType = require('../helpers/isBsonType');
+
+const CastError = SchemaType.CastError;
+
+/**
+ * String SchemaType constructor.
+ *
+ * @param {String} key
+ * @param {Object} options
+ * @inherits SchemaType
+ * @api public
+ */
+
+function SchemaString(key, options) {
+  this.enumValues = [];
+  this.regExp = null;
+  SchemaType.call(this, key, options, 'String');
+}
+
+/**
+ * This schema type's name, to defend against minifiers that mangle
+ * function names.
+ *
+ * @api public
+ */
+SchemaString.schemaName = 'String';
+
+SchemaString.defaultOptions = {};
+
+/*!
+ * Inherits from SchemaType.
+ */
+SchemaString.prototype = Object.create(SchemaType.prototype);
+SchemaString.prototype.constructor = SchemaString;
+Object.defineProperty(SchemaString.prototype, 'OptionsConstructor', {
+  configurable: false,
+  enumerable: false,
+  writable: false,
+  value: SchemaStringOptions
+});
+
+/*!
+ * ignore
+ */
+
+SchemaString._cast = castString;
+
+/**
+ * Get/set the function used to cast arbitrary values to strings.
+ *
+ * #### Example:
+ *
+ *     // Throw an error if you pass in an object. Normally, Mongoose allows
+ *     // objects with custom `toString()` functions.
+ *     const original = mongoose.Schema.Types.String.cast();
+ *     mongoose.Schema.Types.String.cast(v => {
+ *       assert.ok(v == null || typeof v !== 'object');
+ *       return original(v);
+ *     });
+ *
+ *     // Or disable casting entirely
+ *     mongoose.Schema.Types.String.cast(false);
+ *
+ * @param {Function} caster
+ * @return {Function}
+ * @function get
+ * @static
+ * @api public
+ */
+
+SchemaString.cast = function cast(caster) {
+  if (arguments.length === 0) {
+    return this._cast;
+  }
+  if (caster === false) {
+    caster = this._defaultCaster;
+  }
+  this._cast = caster;
+
+  return this._cast;
+};
+
+/*!
+ * ignore
+ */
+
+SchemaString._defaultCaster = v => {
+  if (v != null && typeof v !== 'string') {
+    throw new Error();
+  }
+  return v;
+};
+
+/**
+ * Attaches a getter for all String instances.
+ *
+ * #### Example:
+ *
+ *     // Make all numbers round down
+ *     mongoose.Schema.String.get(v => v.toLowerCase());
+ *
+ *     const Model = mongoose.model('Test', new Schema({ test: String }));
+ *     new Model({ test: 'FOO' }).test; // 'foo'
+ *
+ * @param {Function} getter
+ * @return {this}
+ * @function get
+ * @static
+ * @api public
+ */
+
+SchemaString.get = SchemaType.get;
+
+/**
+ * Sets a default option for all String instances.
+ *
+ * #### Example:
+ *
+ *     // Make all strings have option `trim` equal to true.
+ *     mongoose.Schema.String.set('trim', true);
+ *
+ *     const User = mongoose.model('User', new Schema({ name: String }));
+ *     new User({ name: '   John Doe   ' }).name; // 'John Doe'
+ *
+ * @param {String} option The option you'd like to set the value for
+ * @param {Any} value value for option
+ * @return {undefined}
+ * @function set
+ * @static
+ * @api public
+ */
+
+SchemaString.set = SchemaType.set;
+
+/*!
+ * ignore
+ */
+
+SchemaString._checkRequired = v => (v instanceof String || typeof v === 'string') && v.length;
+
+/**
+ * Override the function the required validator uses to check whether a string
+ * passes the `required` check.
+ *
+ * #### Example:
+ *
+ *     // Allow empty strings to pass `required` check
+ *     mongoose.Schema.Types.String.checkRequired(v => v != null);
+ *
+ *     const M = mongoose.model({ str: { type: String, required: true } });
+ *     new M({ str: '' }).validateSync(); // `null`, validation passes!
+ *
+ * @param {Function} fn
+ * @return {Function}
+ * @function checkRequired
+ * @static
+ * @api public
+ */
+
+SchemaString.checkRequired = SchemaType.checkRequired;
+
+/**
+ * Adds an enum validator
+ *
+ * #### Example:
+ *
+ *     const states = ['opening', 'open', 'closing', 'closed']
+ *     const s = new Schema({ state: { type: String, enum: states }})
+ *     const M = db.model('M', s)
+ *     const m = new M({ state: 'invalid' })
+ *     m.save(function (err) {
+ *       console.error(String(err)) // ValidationError: `invalid` is not a valid enum value for path `state`.
+ *       m.state = 'open'
+ *       m.save(callback) // success
+ *     })
+ *
+ *     // or with custom error messages
+ *     const enum = {
+ *       values: ['opening', 'open', 'closing', 'closed'],
+ *       message: 'enum validator failed for path `{PATH}` with value `{VALUE}`'
+ *     }
+ *     const s = new Schema({ state: { type: String, enum: enum })
+ *     const M = db.model('M', s)
+ *     const m = new M({ state: 'invalid' })
+ *     m.save(function (err) {
+ *       console.error(String(err)) // ValidationError: enum validator failed for path `state` with value `invalid`
+ *       m.state = 'open'
+ *       m.save(callback) // success
+ *     })
+ *
+ * @param {...String|Object} [args] enumeration values
+ * @return {SchemaType} this
+ * @see Customized Error Messages #error_messages_MongooseError-messages
+ * @api public
+ */
+
+SchemaString.prototype.enum = function() {
+  if (this.enumValidator) {
+    this.validators = this.validators.filter(function(v) {
+      return v.validator !== this.enumValidator;
+    }, this);
+    this.enumValidator = false;
+  }
+
+  if (arguments[0] === void 0 || arguments[0] === false) {
+    return this;
+  }
+
+  let values;
+  let errorMessage;
+
+  if (utils.isObject(arguments[0])) {
+    if (Array.isArray(arguments[0].values)) {
+      values = arguments[0].values;
+      errorMessage = arguments[0].message;
+    } else {
+      values = utils.object.vals(arguments[0]);
+      errorMessage = MongooseError.messages.String.enum;
+    }
+  } else {
+    values = arguments;
+    errorMessage = MongooseError.messages.String.enum;
+  }
+
+  for (const value of values) {
+    if (value !== undefined) {
+      this.enumValues.push(this.cast(value));
+    }
+  }
+
+  const vals = this.enumValues;
+  this.enumValidator = function(v) {
+    return undefined === v || ~vals.indexOf(v);
+  };
+  this.validators.push({
+    validator: this.enumValidator,
+    message: errorMessage,
+    type: 'enum',
+    enumValues: vals
+  });
+
+  return this;
+};
+
+/**
+ * Adds a lowercase [setter](https://mongoosejs.com/docs/api.html#schematype_SchemaType-set).
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ email: { type: String, lowercase: true }})
+ *     const M = db.model('M', s);
+ *     const m = new M({ email: 'SomeEmail@example.COM' });
+ *     console.log(m.email) // someemail@example.com
+ *     M.find({ email: 'SomeEmail@example.com' }); // Queries by 'someemail@example.com'
+ *
+ * Note that `lowercase` does **not** affect regular expression queries:
+ *
+ * #### Example:
+ *
+ *     // Still queries for documents whose `email` matches the regular
+ *     // expression /SomeEmail/. Mongoose does **not** convert the RegExp
+ *     // to lowercase.
+ *     M.find({ email: /SomeEmail/ });
+ *
+ * @api public
+ * @return {SchemaType} this
+ */
+
+SchemaString.prototype.lowercase = function(shouldApply) {
+  if (arguments.length > 0 && !shouldApply) {
+    return this;
+  }
+  return this.set(v => {
+    if (typeof v !== 'string') {
+      v = this.cast(v);
+    }
+    if (v) {
+      return v.toLowerCase();
+    }
+    return v;
+  });
+};
+
+/**
+ * Adds an uppercase [setter](https://mongoosejs.com/docs/api.html#schematype_SchemaType-set).
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ caps: { type: String, uppercase: true }})
+ *     const M = db.model('M', s);
+ *     const m = new M({ caps: 'an example' });
+ *     console.log(m.caps) // AN EXAMPLE
+ *     M.find({ caps: 'an example' }) // Matches documents where caps = 'AN EXAMPLE'
+ *
+ * Note that `uppercase` does **not** affect regular expression queries:
+ *
+ * #### Example:
+ *
+ *     // Mongoose does **not** convert the RegExp to uppercase.
+ *     M.find({ email: /an example/ });
+ *
+ * @api public
+ * @return {SchemaType} this
+ */
+
+SchemaString.prototype.uppercase = function(shouldApply) {
+  if (arguments.length > 0 && !shouldApply) {
+    return this;
+  }
+  return this.set(v => {
+    if (typeof v !== 'string') {
+      v = this.cast(v);
+    }
+    if (v) {
+      return v.toUpperCase();
+    }
+    return v;
+  });
+};
+
+/**
+ * Adds a trim [setter](https://mongoosejs.com/docs/api.html#schematype_SchemaType-set).
+ *
+ * The string value will be [trimmed](https://masteringjs.io/tutorials/fundamentals/trim-string) when set.
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ name: { type: String, trim: true }});
+ *     const M = db.model('M', s);
+ *     const string = ' some name ';
+ *     console.log(string.length); // 11
+ *     const m = new M({ name: string });
+ *     console.log(m.name.length); // 9
+ *
+ *     // Equivalent to `findOne({ name: string.trim() })`
+ *     M.findOne({ name: string });
+ *
+ * Note that `trim` does **not** affect regular expression queries:
+ *
+ * #### Example:
+ *
+ *     // Mongoose does **not** trim whitespace from the RegExp.
+ *     M.find({ name: / some name / });
+ *
+ * @api public
+ * @return {SchemaType} this
+ */
+
+SchemaString.prototype.trim = function(shouldTrim) {
+  if (arguments.length > 0 && !shouldTrim) {
+    return this;
+  }
+  return this.set(v => {
+    if (typeof v !== 'string') {
+      v = this.cast(v);
+    }
+    if (v) {
+      return v.trim();
+    }
+    return v;
+  });
+};
+
+/**
+ * Sets a minimum length validator.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ postalCode: { type: String, minlength: 5 })
+ *     const Address = db.model('Address', schema)
+ *     const address = new Address({ postalCode: '9512' })
+ *     address.save(function (err) {
+ *       console.error(err) // validator error
+ *       address.postalCode = '95125';
+ *       address.save() // success
+ *     })
+ *
+ *     // custom error messages
+ *     // We can also use the special {MINLENGTH} token which will be replaced with the minimum allowed length
+ *     const minlength = [5, 'The value of path `{PATH}` (`{VALUE}`) is shorter than the minimum allowed length ({MINLENGTH}).'];
+ *     const schema = new Schema({ postalCode: { type: String, minlength: minlength })
+ *     const Address = mongoose.model('Address', schema);
+ *     const address = new Address({ postalCode: '9512' });
+ *     address.validate(function (err) {
+ *       console.log(String(err)) // ValidationError: The value of path `postalCode` (`9512`) is shorter than the minimum length (5).
+ *     })
+ *
+ * @param {Number} value minimum string length
+ * @param {String} [message] optional custom error message
+ * @return {SchemaType} this
+ * @see Customized Error Messages #error_messages_MongooseError-messages
+ * @api public
+ */
+
+SchemaString.prototype.minlength = function(value, message) {
+  if (this.minlengthValidator) {
+    this.validators = this.validators.filter(function(v) {
+      return v.validator !== this.minlengthValidator;
+    }, this);
+  }
+
+  if (value !== null && value !== undefined) {
+    let msg = message || MongooseError.messages.String.minlength;
+    msg = msg.replace(/{MINLENGTH}/, value);
+    this.validators.push({
+      validator: this.minlengthValidator = function(v) {
+        return v === null || v.length >= value;
+      },
+      message: msg,
+      type: 'minlength',
+      minlength: value
+    });
+  }
+
+  return this;
+};
+
+SchemaString.prototype.minLength = SchemaString.prototype.minlength;
+
+/**
+ * Sets a maximum length validator.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ postalCode: { type: String, maxlength: 9 })
+ *     const Address = db.model('Address', schema)
+ *     const address = new Address({ postalCode: '9512512345' })
+ *     address.save(function (err) {
+ *       console.error(err) // validator error
+ *       address.postalCode = '95125';
+ *       address.save() // success
+ *     })
+ *
+ *     // custom error messages
+ *     // We can also use the special {MAXLENGTH} token which will be replaced with the maximum allowed length
+ *     const maxlength = [9, 'The value of path `{PATH}` (`{VALUE}`) exceeds the maximum allowed length ({MAXLENGTH}).'];
+ *     const schema = new Schema({ postalCode: { type: String, maxlength: maxlength })
+ *     const Address = mongoose.model('Address', schema);
+ *     const address = new Address({ postalCode: '9512512345' });
+ *     address.validate(function (err) {
+ *       console.log(String(err)) // ValidationError: The value of path `postalCode` (`9512512345`) exceeds the maximum allowed length (9).
+ *     })
+ *
+ * @param {Number} value maximum string length
+ * @param {String} [message] optional custom error message
+ * @return {SchemaType} this
+ * @see Customized Error Messages #error_messages_MongooseError-messages
+ * @api public
+ */
+
+SchemaString.prototype.maxlength = function(value, message) {
+  if (this.maxlengthValidator) {
+    this.validators = this.validators.filter(function(v) {
+      return v.validator !== this.maxlengthValidator;
+    }, this);
+  }
+
+  if (value !== null && value !== undefined) {
+    let msg = message || MongooseError.messages.String.maxlength;
+    msg = msg.replace(/{MAXLENGTH}/, value);
+    this.validators.push({
+      validator: this.maxlengthValidator = function(v) {
+        return v === null || v.length <= value;
+      },
+      message: msg,
+      type: 'maxlength',
+      maxlength: value
+    });
+  }
+
+  return this;
+};
+
+SchemaString.prototype.maxLength = SchemaString.prototype.maxlength;
+
+/**
+ * Sets a regexp validator.
+ *
+ * Any value that does not pass `regExp`.test(val) will fail validation.
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ name: { type: String, match: /^a/ }})
+ *     const M = db.model('M', s)
+ *     const m = new M({ name: 'I am invalid' })
+ *     m.validate(function (err) {
+ *       console.error(String(err)) // "ValidationError: Path `name` is invalid (I am invalid)."
+ *       m.name = 'apples'
+ *       m.validate(function (err) {
+ *         assert.ok(err) // success
+ *       })
+ *     })
+ *
+ *     // using a custom error message
+ *     const match = [ /\.html$/, "That file doesn't end in .html ({VALUE})" ];
+ *     const s = new Schema({ file: { type: String, match: match }})
+ *     const M = db.model('M', s);
+ *     const m = new M({ file: 'invalid' });
+ *     m.validate(function (err) {
+ *       console.log(String(err)) // "ValidationError: That file doesn't end in .html (invalid)"
+ *     })
+ *
+ * Empty strings, `undefined`, and `null` values always pass the match validator. If you require these values, enable the `required` validator also.
+ *
+ *     const s = new Schema({ name: { type: String, match: /^a/, required: true }})
+ *
+ * @param {RegExp} regExp regular expression to test against
+ * @param {String} [message] optional custom error message
+ * @return {SchemaType} this
+ * @see Customized Error Messages #error_messages_MongooseError-messages
+ * @api public
+ */
+
+SchemaString.prototype.match = function match(regExp, message) {
+  // yes, we allow multiple match validators
+
+  const msg = message || MongooseError.messages.String.match;
+
+  const matchValidator = function(v) {
+    if (!regExp) {
+      return false;
+    }
+
+    // In case RegExp happens to have `/g` flag set, we need to reset the
+    // `lastIndex`, otherwise `match` will intermittently fail.
+    regExp.lastIndex = 0;
+
+    const ret = ((v != null && v !== '')
+      ? regExp.test(v)
+      : true);
+    return ret;
+  };
+
+  this.validators.push({
+    validator: matchValidator,
+    message: msg,
+    type: 'regexp',
+    regexp: regExp
+  });
+  return this;
+};
+
+/**
+ * Check if the given value satisfies the `required` validator. The value is
+ * considered valid if it is a string (that is, not `null` or `undefined`) and
+ * has positive length. The `required` validator **will** fail for empty
+ * strings.
+ *
+ * @param {Any} value
+ * @param {Document} doc
+ * @return {Boolean}
+ * @api public
+ */
+
+SchemaString.prototype.checkRequired = function checkRequired(value, doc) {
+  if (typeof value === 'object' && SchemaType._isRef(this, value, doc, true)) {
+    return value != null;
+  }
+
+  // `require('util').inherits()` does **not** copy static properties, and
+  // plugins like mongoose-float use `inherits()` for pre-ES6.
+  const _checkRequired = typeof this.constructor.checkRequired === 'function' ?
+    this.constructor.checkRequired() :
+    SchemaString.checkRequired();
+
+  return _checkRequired(value);
+};
+
+/**
+ * Casts to String
+ *
+ * @api private
+ */
+
+SchemaString.prototype.cast = function(value, doc, init) {
+  if (typeof value !== 'string' && SchemaType._isRef(this, value, doc, init)) {
+    return this._castRef(value, doc, init);
+  }
+
+  let castString;
+  if (typeof this._castFunction === 'function') {
+    castString = this._castFunction;
+  } else if (typeof this.constructor.cast === 'function') {
+    castString = this.constructor.cast();
+  } else {
+    castString = SchemaString.cast();
+  }
+
+  try {
+    return castString(value);
+  } catch (error) {
+    throw new CastError('string', value, this.path, null, this);
+  }
+};
+
+/*!
+ * ignore
+ */
+
+function handleSingle(val) {
+  return this.castForQuery(val);
+}
+
+/*!
+ * ignore
+ */
+
+function handleArray(val) {
+  const _this = this;
+  if (!Array.isArray(val)) {
+    return [this.castForQuery(val)];
+  }
+  return val.map(function(m) {
+    return _this.castForQuery(m);
+  });
+}
+
+/*!
+ * ignore
+ */
+
+function handleSingleNoSetters(val) {
+  if (val == null) {
+    return this._castNullish(val);
+  }
+
+  return this.cast(val, this);
+}
+
+const $conditionalHandlers = utils.options(SchemaType.prototype.$conditionalHandlers, {
+  $all: handleArray,
+  $gt: handleSingle,
+  $gte: handleSingle,
+  $lt: handleSingle,
+  $lte: handleSingle,
+  $options: handleSingleNoSetters,
+  $regex: function handle$regex(val) {
+    if (Object.prototype.toString.call(val) === '[object RegExp]') {
+      return val;
+    }
+
+    return handleSingleNoSetters.call(this, val);
+  },
+  $not: handleSingle
+});
+
+Object.defineProperty(SchemaString.prototype, '$conditionalHandlers', {
+  configurable: false,
+  enumerable: false,
+  writable: false,
+  value: Object.freeze($conditionalHandlers)
+});
+
+/**
+ * Casts contents for queries.
+ *
+ * @param {String} $conditional
+ * @param {any} [val]
+ * @api private
+ */
+
+SchemaString.prototype.castForQuery = function($conditional, val) {
+  let handler;
+  if (arguments.length === 2) {
+    handler = this.$conditionalHandlers[$conditional];
+    if (!handler) {
+      throw new Error('Can\'t use ' + $conditional + ' with String.');
+    }
+    return handler.call(this, val);
+  }
+  val = $conditional;
+  if (Object.prototype.toString.call(val) === '[object RegExp]' || isBsonType(val, 'BSONRegExp')) {
+    return val;
+  }
+
+  return this._castForQuery(val);
+};
+
+/*!
+ * Module exports.
+ */
+
+module.exports = SchemaString;
diff --git a/node_modules/mongoose/lib/schema/symbols.js b/node_modules/mongoose/lib/schema/symbols.js
new file mode 100644
index 000000000..7ae0e9e38
--- /dev/null
+++ b/node_modules/mongoose/lib/schema/symbols.js
@@ -0,0 +1,5 @@
+'use strict';
+
+exports.schemaMixedSymbol = Symbol.for('mongoose:schema_mixed');
+
+exports.builtInMiddleware = Symbol.for('mongoose:built-in-middleware');
diff --git a/node_modules/mongoose/lib/schematype.js b/node_modules/mongoose/lib/schematype.js
new file mode 100644
index 000000000..0cc6c3eea
--- /dev/null
+++ b/node_modules/mongoose/lib/schematype.js
@@ -0,0 +1,1724 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const MongooseError = require('./error/index');
+const SchemaTypeOptions = require('./options/SchemaTypeOptions');
+const $exists = require('./schema/operators/exists');
+const $type = require('./schema/operators/type');
+const handleImmutable = require('./helpers/schematype/handleImmutable');
+const isAsyncFunction = require('./helpers/isAsyncFunction');
+const isSimpleValidator = require('./helpers/isSimpleValidator');
+const immediate = require('./helpers/immediate');
+const schemaTypeSymbol = require('./helpers/symbols').schemaTypeSymbol;
+const utils = require('./utils');
+const validatorErrorSymbol = require('./helpers/symbols').validatorErrorSymbol;
+const documentIsModified = require('./helpers/symbols').documentIsModified;
+
+const populateModelSymbol = require('./helpers/symbols').populateModelSymbol;
+
+const CastError = MongooseError.CastError;
+const ValidatorError = MongooseError.ValidatorError;
+
+const setOptionsForDefaults = { _skipMarkModified: true };
+
+/**
+ * SchemaType constructor. Do **not** instantiate `SchemaType` directly.
+ * Mongoose converts your schema paths into SchemaTypes automatically.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ name: String });
+ *     schema.path('name') instanceof SchemaType; // true
+ *
+ * @param {String} path
+ * @param {SchemaTypeOptions} [options] See [SchemaTypeOptions docs](/docs/api/schematypeoptions.html)
+ * @param {String} [instance]
+ * @api public
+ */
+
+function SchemaType(path, options, instance) {
+  this[schemaTypeSymbol] = true;
+  this.path = path;
+  this.instance = instance;
+  this.validators = [];
+  this.getters = this.constructor.hasOwnProperty('getters') ?
+    this.constructor.getters.slice() :
+    [];
+  this.setters = [];
+
+  this.splitPath();
+
+  options = options || {};
+  const defaultOptions = this.constructor.defaultOptions || {};
+  const defaultOptionsKeys = Object.keys(defaultOptions);
+
+  for (const option of defaultOptionsKeys) {
+    if (defaultOptions.hasOwnProperty(option) && !options.hasOwnProperty(option)) {
+      options[option] = defaultOptions[option];
+    }
+  }
+
+  if (options.select == null) {
+    delete options.select;
+  }
+
+  const Options = this.OptionsConstructor || SchemaTypeOptions;
+  this.options = new Options(options);
+  this._index = null;
+
+
+  if (utils.hasUserDefinedProperty(this.options, 'immutable')) {
+    this.$immutable = this.options.immutable;
+
+    handleImmutable(this);
+  }
+
+  const keys = Object.keys(this.options);
+  for (const prop of keys) {
+    if (prop === 'cast') {
+      this.castFunction(this.options[prop]);
+      continue;
+    }
+    if (utils.hasUserDefinedProperty(this.options, prop) && typeof this[prop] === 'function') {
+      // { unique: true, index: true }
+      if (prop === 'index' && this._index) {
+        if (options.index === false) {
+          const index = this._index;
+          if (typeof index === 'object' && index != null) {
+            if (index.unique) {
+              throw new Error('Path "' + this.path + '" may not have `index` ' +
+                'set to false and `unique` set to true');
+            }
+            if (index.sparse) {
+              throw new Error('Path "' + this.path + '" may not have `index` ' +
+                'set to false and `sparse` set to true');
+            }
+          }
+
+          this._index = false;
+        }
+        continue;
+      }
+
+      const val = options[prop];
+      // Special case so we don't screw up array defaults, see gh-5780
+      if (prop === 'default') {
+        this.default(val);
+        continue;
+      }
+
+      const opts = Array.isArray(val) ? val : [val];
+
+      this[prop].apply(this, opts);
+    }
+  }
+
+  Object.defineProperty(this, '$$context', {
+    enumerable: false,
+    configurable: false,
+    writable: true,
+    value: null
+  });
+}
+
+/**
+ * The class that Mongoose uses internally to instantiate this SchemaType's `options` property.
+ * @memberOf SchemaType
+ * @instance
+ * @api private
+ */
+
+SchemaType.prototype.OptionsConstructor = SchemaTypeOptions;
+
+/**
+ * The path to this SchemaType in a Schema.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ name: String });
+ *     schema.path('name').path; // 'name'
+ *
+ * @property path
+ * @api public
+ * @memberOf SchemaType
+ */
+
+SchemaType.prototype.path;
+
+/**
+ * The validators that Mongoose should run to validate properties at this SchemaType's path.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ name: { type: String, required: true } });
+ *     schema.path('name').validators.length; // 1, the `required` validator
+ *
+ * @property validators
+ * @api public
+ * @memberOf SchemaType
+ */
+
+SchemaType.prototype.validators;
+
+/**
+ * True if this SchemaType has a required validator. False otherwise.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ name: { type: String, required: true } });
+ *     schema.path('name').isRequired; // true
+ *
+ *     schema.path('name').required(false);
+ *     schema.path('name').isRequired; // false
+ *
+ * @property isRequired
+ * @api public
+ * @memberOf SchemaType
+ */
+
+SchemaType.prototype.validators;
+
+/**
+ * Split the current dottet path into segments
+ *
+ * @return {String[]|undefined}
+ * @api private
+ */
+
+SchemaType.prototype.splitPath = function() {
+  if (this._presplitPath != null) {
+    return this._presplitPath;
+  }
+  if (this.path == null) {
+    return undefined;
+  }
+
+  this._presplitPath = this.path.indexOf('.') === -1 ? [this.path] : this.path.split('.');
+  return this._presplitPath;
+};
+
+/**
+ * Get/set the function used to cast arbitrary values to this type.
+ *
+ * #### Example:
+ *
+ *     // Disallow `null` for numbers, and don't try to cast any values to
+ *     // numbers, so even strings like '123' will cause a CastError.
+ *     mongoose.Number.cast(function(v) {
+ *       assert.ok(v === undefined || typeof v === 'number');
+ *       return v;
+ *     });
+ *
+ * @param {Function|false} caster Function that casts arbitrary values to this type, or throws an error if casting failed
+ * @return {Function}
+ * @static
+ * @memberOf SchemaType
+ * @function cast
+ * @api public
+ */
+
+SchemaType.cast = function cast(caster) {
+  if (arguments.length === 0) {
+    return this._cast;
+  }
+  if (caster === false) {
+    caster = v => v;
+  }
+  this._cast = caster;
+
+  return this._cast;
+};
+
+/**
+ * Get/set the function used to cast arbitrary values to this particular schematype instance.
+ * Overrides `SchemaType.cast()`.
+ *
+ * #### Example:
+ *
+ *     // Disallow `null` for numbers, and don't try to cast any values to
+ *     // numbers, so even strings like '123' will cause a CastError.
+ *     const number = new mongoose.Number('mypath', {});
+ *     number.cast(function(v) {
+ *       assert.ok(v === undefined || typeof v === 'number');
+ *       return v;
+ *     });
+ *
+ * @param {Function|false} caster Function that casts arbitrary values to this type, or throws an error if casting failed
+ * @return {Function}
+ * @memberOf SchemaType
+ * @api public
+ */
+
+SchemaType.prototype.castFunction = function castFunction(caster) {
+  if (arguments.length === 0) {
+    return this._castFunction;
+  }
+  if (caster === false) {
+    caster = this.constructor._defaultCaster || (v => v);
+  }
+  this._castFunction = caster;
+
+  return this._castFunction;
+};
+
+/**
+ * The function that Mongoose calls to cast arbitrary values to this SchemaType.
+ *
+ * @param {Object} value value to cast
+ * @param {Document} doc document that triggers the casting
+ * @param {Boolean} init
+ * @api public
+ */
+
+SchemaType.prototype.cast = function cast() {
+  throw new Error('Base SchemaType class does not implement a `cast()` function');
+};
+
+/**
+ * Sets a default option for this schema type.
+ *
+ * #### Example:
+ *
+ *     // Make all strings be trimmed by default
+ *     mongoose.SchemaTypes.String.set('trim', true);
+ *
+ * @param {String} option The name of the option you'd like to set (e.g. trim, lowercase, etc...)
+ * @param {Any} value The value of the option you'd like to set.
+ * @return {void}
+ * @static
+ * @memberOf SchemaType
+ * @function set
+ * @api public
+ */
+
+SchemaType.set = function set(option, value) {
+  if (!this.hasOwnProperty('defaultOptions')) {
+    this.defaultOptions = Object.assign({}, this.defaultOptions);
+  }
+  this.defaultOptions[option] = value;
+};
+
+/**
+ * Attaches a getter for all instances of this schema type.
+ *
+ * #### Example:
+ *
+ *     // Make all numbers round down
+ *     mongoose.Number.get(function(v) { return Math.floor(v); });
+ *
+ * @param {Function} getter
+ * @return {this}
+ * @static
+ * @memberOf SchemaType
+ * @function get
+ * @api public
+ */
+
+SchemaType.get = function(getter) {
+  this.getters = this.hasOwnProperty('getters') ? this.getters : [];
+  this.getters.push(getter);
+};
+
+/**
+ * Sets a default value for this SchemaType.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({ n: { type: Number, default: 10 })
+ *     const M = db.model('M', schema)
+ *     const m = new M;
+ *     console.log(m.n) // 10
+ *
+ * Defaults can be either `functions` which return the value to use as the default or the literal value itself. Either way, the value will be cast based on its schema type before being set during document creation.
+ *
+ * #### Example:
+ *
+ *     // values are cast:
+ *     const schema = new Schema({ aNumber: { type: Number, default: 4.815162342 }})
+ *     const M = db.model('M', schema)
+ *     const m = new M;
+ *     console.log(m.aNumber) // 4.815162342
+ *
+ *     // default unique objects for Mixed types:
+ *     const schema = new Schema({ mixed: Schema.Types.Mixed });
+ *     schema.path('mixed').default(function () {
+ *       return {};
+ *     });
+ *
+ *     // if we don't use a function to return object literals for Mixed defaults,
+ *     // each document will receive a reference to the same object literal creating
+ *     // a "shared" object instance:
+ *     const schema = new Schema({ mixed: Schema.Types.Mixed });
+ *     schema.path('mixed').default({});
+ *     const M = db.model('M', schema);
+ *     const m1 = new M;
+ *     m1.mixed.added = 1;
+ *     console.log(m1.mixed); // { added: 1 }
+ *     const m2 = new M;
+ *     console.log(m2.mixed); // { added: 1 }
+ *
+ * @param {Function|any} val The default value to set
+ * @return {Any|undefined} Returns the set default value.
+ * @api public
+ */
+
+SchemaType.prototype.default = function(val) {
+  if (arguments.length === 1) {
+    if (val === void 0) {
+      this.defaultValue = void 0;
+      return void 0;
+    }
+
+    if (val != null && val.instanceOfSchema) {
+      throw new MongooseError('Cannot set default value of path `' + this.path +
+        '` to a mongoose Schema instance.');
+    }
+
+    this.defaultValue = val;
+    return this.defaultValue;
+  } else if (arguments.length > 1) {
+    this.defaultValue = [...arguments];
+  }
+  return this.defaultValue;
+};
+
+/**
+ * Declares the index options for this schematype.
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ name: { type: String, index: true })
+ *     const s = new Schema({ name: { type: String, index: -1 })
+ *     const s = new Schema({ loc: { type: [Number], index: 'hashed' })
+ *     const s = new Schema({ loc: { type: [Number], index: '2d', sparse: true })
+ *     const s = new Schema({ loc: { type: [Number], index: { type: '2dsphere', sparse: true }})
+ *     const s = new Schema({ date: { type: Date, index: { unique: true, expires: '1d' }})
+ *     s.path('my.path').index(true);
+ *     s.path('my.date').index({ expires: 60 });
+ *     s.path('my.path').index({ unique: true, sparse: true });
+ *
+ * #### Note:
+ *
+ * _Indexes are created [in the background](https://docs.mongodb.com/manual/core/index-creation/#index-creation-background)
+ * by default. If `background` is set to `false`, MongoDB will not execute any
+ * read/write operations you send until the index build.
+ * Specify `background: false` to override Mongoose's default._
+ *
+ * @param {Object|Boolean|String|Number} options
+ * @return {SchemaType} this
+ * @api public
+ */
+
+SchemaType.prototype.index = function(options) {
+  this._index = options;
+  utils.expires(this._index);
+  return this;
+};
+
+/**
+ * Declares an unique index.
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ name: { type: String, unique: true } });
+ *     s.path('name').index({ unique: true });
+ *
+ * _NOTE: violating the constraint returns an `E11000` error from MongoDB when saving, not a Mongoose validation error._
+ *
+ * @param {Boolean} bool
+ * @return {SchemaType} this
+ * @api public
+ */
+
+SchemaType.prototype.unique = function(bool) {
+  if (this._index === false) {
+    if (!bool) {
+      return;
+    }
+    throw new Error('Path "' + this.path + '" may not have `index` set to ' +
+      'false and `unique` set to true');
+  }
+
+  if (!this.options.hasOwnProperty('index') && bool === false) {
+    return this;
+  }
+
+  if (this._index == null || this._index === true) {
+    this._index = {};
+  } else if (typeof this._index === 'string') {
+    this._index = { type: this._index };
+  }
+
+  this._index.unique = bool;
+  return this;
+};
+
+/**
+ * Declares a full text index.
+ *
+ * ### Example:
+ *
+ *      const s = new Schema({ name : { type: String, text : true } })
+ *      s.path('name').index({ text : true });
+ *
+ * @param {Boolean} bool
+ * @return {SchemaType} this
+ * @api public
+ */
+
+SchemaType.prototype.text = function(bool) {
+  if (this._index === false) {
+    if (!bool) {
+      return this;
+    }
+    throw new Error('Path "' + this.path + '" may not have `index` set to ' +
+      'false and `text` set to true');
+  }
+
+  if (!this.options.hasOwnProperty('index') && bool === false) {
+    return this;
+  }
+
+  if (this._index === null || this._index === undefined ||
+    typeof this._index === 'boolean') {
+    this._index = {};
+  } else if (typeof this._index === 'string') {
+    this._index = { type: this._index };
+  }
+
+  this._index.text = bool;
+  return this;
+};
+
+/**
+ * Declares a sparse index.
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ name: { type: String, sparse: true } });
+ *     s.path('name').index({ sparse: true });
+ *
+ * @param {Boolean} bool
+ * @return {SchemaType} this
+ * @api public
+ */
+
+SchemaType.prototype.sparse = function(bool) {
+  if (this._index === false) {
+    if (!bool) {
+      return this;
+    }
+    throw new Error('Path "' + this.path + '" may not have `index` set to ' +
+      'false and `sparse` set to true');
+  }
+
+  if (!this.options.hasOwnProperty('index') && bool === false) {
+    return this;
+  }
+
+  if (this._index == null || typeof this._index === 'boolean') {
+    this._index = {};
+  } else if (typeof this._index === 'string') {
+    this._index = { type: this._index };
+  }
+
+  this._index.sparse = bool;
+  return this;
+};
+
+/**
+ * Defines this path as immutable. Mongoose prevents you from changing
+ * immutable paths unless the parent document has [`isNew: true`](/docs/api.html#document_Document-isNew).
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({
+ *       name: { type: String, immutable: true },
+ *       age: Number
+ *     });
+ *     const Model = mongoose.model('Test', schema);
+ *
+ *     await Model.create({ name: 'test' });
+ *     const doc = await Model.findOne();
+ *
+ *     doc.isNew; // false
+ *     doc.name = 'new name';
+ *     doc.name; // 'test', because `name` is immutable
+ *
+ * Mongoose also prevents changing immutable properties using `updateOne()`
+ * and `updateMany()` based on [strict mode](/docs/guide.html#strict).
+ *
+ * #### Example:
+ *
+ *     // Mongoose will strip out the `name` update, because `name` is immutable
+ *     Model.updateOne({}, { $set: { name: 'test2' }, $inc: { age: 1 } });
+ *
+ *     // If `strict` is set to 'throw', Mongoose will throw an error if you
+ *     // update `name`
+ *     const err = await Model.updateOne({}, { name: 'test2' }, { strict: 'throw' }).
+ *       then(() => null, err => err);
+ *     err.name; // StrictModeError
+ *
+ *     // If `strict` is `false`, Mongoose allows updating `name` even though
+ *     // the property is immutable.
+ *     Model.updateOne({}, { name: 'test2' }, { strict: false });
+ *
+ * @param {Boolean} bool
+ * @return {SchemaType} this
+ * @see isNew /docs/api.html#document_Document-isNew
+ * @api public
+ */
+
+SchemaType.prototype.immutable = function(bool) {
+  this.$immutable = bool;
+  handleImmutable(this);
+
+  return this;
+};
+
+/**
+ * Defines a custom function for transforming this path when converting a document to JSON.
+ *
+ * Mongoose calls this function with one parameter: the current `value` of the path. Mongoose
+ * then uses the return value in the JSON output.
+ *
+ * #### Example:
+ *
+ *     const schema = new Schema({
+ *       date: { type: Date, transform: v => v.getFullYear() }
+ *     });
+ *     const Model = mongoose.model('Test', schema);
+ *
+ *     await Model.create({ date: new Date('2016-06-01') });
+ *     const doc = await Model.findOne();
+ *
+ *     doc.date instanceof Date; // true
+ *
+ *     doc.toJSON().date; // 2016 as a number
+ *     JSON.stringify(doc); // '{"_id":...,"date":2016}'
+ *
+ * @param {Function} fn
+ * @return {SchemaType} this
+ * @api public
+ */
+
+SchemaType.prototype.transform = function(fn) {
+  this.options.transform = fn;
+
+  return this;
+};
+
+/**
+ * Adds a setter to this schematype.
+ *
+ * #### Example:
+ *
+ *     function capitalize (val) {
+ *       if (typeof val !== 'string') val = '';
+ *       return val.charAt(0).toUpperCase() + val.substring(1);
+ *     }
+ *
+ *     // defining within the schema
+ *     const s = new Schema({ name: { type: String, set: capitalize }});
+ *
+ *     // or with the SchemaType
+ *     const s = new Schema({ name: String })
+ *     s.path('name').set(capitalize);
+ *
+ * Setters allow you to transform the data before it gets to the raw mongodb
+ * document or query.
+ *
+ * Suppose you are implementing user registration for a website. Users provide
+ * an email and password, which gets saved to mongodb. The email is a string
+ * that you will want to normalize to lower case, in order to avoid one email
+ * having more than one account -- e.g., otherwise, avenue@q.com can be registered for 2 accounts via avenue@q.com and AvEnUe@Q.CoM.
+ *
+ * You can set up email lower case normalization easily via a Mongoose setter.
+ *
+ *     function toLower(v) {
+ *       return v.toLowerCase();
+ *     }
+ *
+ *     const UserSchema = new Schema({
+ *       email: { type: String, set: toLower }
+ *     });
+ *
+ *     const User = db.model('User', UserSchema);
+ *
+ *     const user = new User({email: 'AVENUE@Q.COM'});
+ *     console.log(user.email); // 'avenue@q.com'
+ *
+ *     // or
+ *     const user = new User();
+ *     user.email = 'Avenue@Q.com';
+ *     console.log(user.email); // 'avenue@q.com'
+ *     User.updateOne({ _id: _id }, { $set: { email: 'AVENUE@Q.COM' } }); // update to 'avenue@q.com'
+ *
+ * As you can see above, setters allow you to transform the data before it
+ * stored in MongoDB, or before executing a query.
+ *
+ * _NOTE: we could have also just used the built-in `lowercase: true` SchemaType option instead of defining our own function._
+ *
+ *     new Schema({ email: { type: String, lowercase: true }})
+ *
+ * Setters are also passed a second argument, the schematype on which the setter was defined. This allows for tailored behavior based on options passed in the schema.
+ *
+ *     function inspector (val, priorValue, schematype) {
+ *       if (schematype.options.required) {
+ *         return schematype.path + ' is required';
+ *       } else {
+ *         return val;
+ *       }
+ *     }
+ *
+ *     const VirusSchema = new Schema({
+ *       name: { type: String, required: true, set: inspector },
+ *       taxonomy: { type: String, set: inspector }
+ *     })
+ *
+ *     const Virus = db.model('Virus', VirusSchema);
+ *     const v = new Virus({ name: 'Parvoviridae', taxonomy: 'Parvovirinae' });
+ *
+ *     console.log(v.name);     // name is required
+ *     console.log(v.taxonomy); // Parvovirinae
+ *
+ * You can also use setters to modify other properties on the document. If
+ * you're setting a property `name` on a document, the setter will run with
+ * `this` as the document. Be careful, in mongoose 5 setters will also run
+ * when querying by `name` with `this` as the query.
+ *
+ *     const nameSchema = new Schema({ name: String, keywords: [String] });
+ *     nameSchema.path('name').set(function(v) {
+ *       // Need to check if `this` is a document, because in mongoose 5
+ *       // setters will also run on queries, in which case `this` will be a
+ *       // mongoose query object.
+ *       if (this instanceof Document && v != null) {
+ *         this.keywords = v.split(' ');
+ *       }
+ *       return v;
+ *     });
+ *
+ * @param {Function} fn
+ * @return {SchemaType} this
+ * @api public
+ */
+
+SchemaType.prototype.set = function(fn) {
+  if (typeof fn !== 'function') {
+    throw new TypeError('A setter must be a function.');
+  }
+  this.setters.push(fn);
+  return this;
+};
+
+/**
+ * Adds a getter to this schematype.
+ *
+ * #### Example:
+ *
+ *     function dob (val) {
+ *       if (!val) return val;
+ *       return (val.getMonth() + 1) + "/" + val.getDate() + "/" + val.getFullYear();
+ *     }
+ *
+ *     // defining within the schema
+ *     const s = new Schema({ born: { type: Date, get: dob })
+ *
+ *     // or by retreiving its SchemaType
+ *     const s = new Schema({ born: Date })
+ *     s.path('born').get(dob)
+ *
+ * Getters allow you to transform the representation of the data as it travels from the raw mongodb document to the value that you see.
+ *
+ * Suppose you are storing credit card numbers and you want to hide everything except the last 4 digits to the mongoose user. You can do so by defining a getter in the following way:
+ *
+ *     function obfuscate (cc) {
+ *       return '****-****-****-' + cc.slice(cc.length-4, cc.length);
+ *     }
+ *
+ *     const AccountSchema = new Schema({
+ *       creditCardNumber: { type: String, get: obfuscate }
+ *     });
+ *
+ *     const Account = db.model('Account', AccountSchema);
+ *
+ *     Account.findById(id, function (err, found) {
+ *       console.log(found.creditCardNumber); // '****-****-****-1234'
+ *     });
+ *
+ * Getters are also passed a second argument, the schematype on which the getter was defined. This allows for tailored behavior based on options passed in the schema.
+ *
+ *     function inspector (val, priorValue, schematype) {
+ *       if (schematype.options.required) {
+ *         return schematype.path + ' is required';
+ *       } else {
+ *         return schematype.path + ' is not';
+ *       }
+ *     }
+ *
+ *     const VirusSchema = new Schema({
+ *       name: { type: String, required: true, get: inspector },
+ *       taxonomy: { type: String, get: inspector }
+ *     })
+ *
+ *     const Virus = db.model('Virus', VirusSchema);
+ *
+ *     Virus.findById(id, function (err, virus) {
+ *       console.log(virus.name);     // name is required
+ *       console.log(virus.taxonomy); // taxonomy is not
+ *     })
+ *
+ * @param {Function} fn
+ * @return {SchemaType} this
+ * @api public
+ */
+
+SchemaType.prototype.get = function(fn) {
+  if (typeof fn !== 'function') {
+    throw new TypeError('A getter must be a function.');
+  }
+  this.getters.push(fn);
+  return this;
+};
+
+/**
+ * Adds validator(s) for this document path.
+ *
+ * Validators always receive the value to validate as their first argument and
+ * must return `Boolean`. Returning `false` or throwing an error means
+ * validation failed.
+ *
+ * The error message argument is optional. If not passed, the [default generic error message template](#error_messages_MongooseError-messages) will be used.
+ *
+ * #### Examples:
+ *
+ *     // make sure every value is equal to "something"
+ *     function validator (val) {
+ *       return val === 'something';
+ *     }
+ *     new Schema({ name: { type: String, validate: validator }});
+ *
+ *     // with a custom error message
+ *
+ *     const custom = [validator, 'Uh oh, {PATH} does not equal "something".']
+ *     new Schema({ name: { type: String, validate: custom }});
+ *
+ *     // adding many validators at a time
+ *
+ *     const many = [
+ *         { validator: validator, msg: 'uh oh' }
+ *       , { validator: anotherValidator, msg: 'failed' }
+ *     ]
+ *     new Schema({ name: { type: String, validate: many }});
+ *
+ *     // or utilizing SchemaType methods directly:
+ *
+ *     const schema = new Schema({ name: 'string' });
+ *     schema.path('name').validate(validator, 'validation of `{PATH}` failed with value `{VALUE}`');
+ *
+ * #### Error message templates:
+ *
+ * From the examples above, you may have noticed that error messages support
+ * basic templating. There are a few other template keywords besides `{PATH}`
+ * and `{VALUE}` too. To find out more, details are available
+ * [here](#error_messages_MongooseError-messages).
+ *
+ * If Mongoose's built-in error message templating isn't enough, Mongoose
+ * supports setting the `message` property to a function.
+ *
+ *     schema.path('name').validate({
+ *       validator: function(v) { return v.length > 5; },
+ *       // `errors['name']` will be "name must have length 5, got 'foo'"
+ *       message: function(props) {
+ *         return `${props.path} must have length 5, got '${props.value}'`;
+ *       }
+ *     });
+ *
+ * To bypass Mongoose's error messages and just copy the error message that
+ * the validator throws, do this:
+ *
+ *     schema.path('name').validate({
+ *       validator: function() { throw new Error('Oops!'); },
+ *       // `errors['name']` will be "Oops!"
+ *       message: function(props) { return props.reason.message; }
+ *     });
+ *
+ * #### Asynchronous validation:
+ *
+ * Mongoose supports validators that return a promise. A validator that returns
+ * a promise is called an _async validator_. Async validators run in
+ * parallel, and `validate()` will wait until all async validators have settled.
+ *
+ *     schema.path('name').validate({
+ *       validator: function (value) {
+ *         return new Promise(function (resolve, reject) {
+ *           resolve(false); // validation failed
+ *         });
+ *       }
+ *     });
+ *
+ * You might use asynchronous validators to retreive other documents from the database to validate against or to meet other I/O bound validation needs.
+ *
+ * Validation occurs `pre('save')` or whenever you manually execute [document#validate](#document_Document-validate).
+ *
+ * If validation fails during `pre('save')` and no callback was passed to receive the error, an `error` event will be emitted on your Models associated db [connection](#connection_Connection), passing the validation error object along.
+ *
+ *     const conn = mongoose.createConnection(..);
+ *     conn.on('error', handleError);
+ *
+ *     const Product = conn.model('Product', yourSchema);
+ *     const dvd = new Product(..);
+ *     dvd.save(); // emits error on the `conn` above
+ *
+ * If you want to handle these errors at the Model level, add an `error`
+ * listener to your Model as shown below.
+ *
+ *     // registering an error listener on the Model lets us handle errors more locally
+ *     Product.on('error', handleError);
+ *
+ * @param {RegExp|Function|Object} obj validator function, or hash describing options
+ * @param {Function} [obj.validator] validator function. If the validator function returns `undefined` or a truthy value, validation succeeds. If it returns [falsy](https://masteringjs.io/tutorials/fundamentals/falsy) (except `undefined`) or throws an error, validation fails.
+ * @param {String|Function} [obj.message] optional error message. If function, should return the error message as a string
+ * @param {Boolean} [obj.propsParameter=false] If true, Mongoose will pass the validator properties object (with the `validator` function, `message`, etc.) as the 2nd arg to the validator function. This is disabled by default because many validators [rely on positional args](https://github.com/chriso/validator.js#validators), so turning this on may cause unpredictable behavior in external validators.
+ * @param {String|Function} [errorMsg] optional error message. If function, should return the error message as a string
+ * @param {String} [type] optional validator type
+ * @return {SchemaType} this
+ * @api public
+ */
+
+SchemaType.prototype.validate = function(obj, message, type) {
+  if (typeof obj === 'function' || obj && utils.getFunctionName(obj.constructor) === 'RegExp') {
+    let properties;
+    if (typeof message === 'function') {
+      properties = { validator: obj, message: message };
+      properties.type = type || 'user defined';
+    } else if (message instanceof Object && !type) {
+      properties = isSimpleValidator(message) ? Object.assign({}, message) : utils.clone(message);
+      if (!properties.message) {
+        properties.message = properties.msg;
+      }
+      properties.validator = obj;
+      properties.type = properties.type || 'user defined';
+    } else {
+      if (message == null) {
+        message = MongooseError.messages.general.default;
+      }
+      if (!type) {
+        type = 'user defined';
+      }
+      properties = { message: message, type: type, validator: obj };
+    }
+
+    this.validators.push(properties);
+    return this;
+  }
+
+  let i;
+  let length;
+  let arg;
+
+  for (i = 0, length = arguments.length; i < length; i++) {
+    arg = arguments[i];
+    if (!utils.isPOJO(arg)) {
+      const msg = 'Invalid validator. Received (' + typeof arg + ') '
+        + arg
+        + '. See https://mongoosejs.com/docs/api.html#schematype_SchemaType-validate';
+
+      throw new Error(msg);
+    }
+    this.validate(arg.validator, arg);
+  }
+
+  return this;
+};
+
+/**
+ * Adds a required validator to this SchemaType. The validator gets added
+ * to the front of this SchemaType's validators array using `unshift()`.
+ *
+ * #### Example:
+ *
+ *     const s = new Schema({ born: { type: Date, required: true })
+ *
+ *     // or with custom error message
+ *
+ *     const s = new Schema({ born: { type: Date, required: '{PATH} is required!' })
+ *
+ *     // or with a function
+ *
+ *     const s = new Schema({
+ *       userId: ObjectId,
+ *       username: {
+ *         type: String,
+ *         required: function() { return this.userId != null; }
+ *       }
+ *     })
+ *
+ *     // or with a function and a custom message
+ *     const s = new Schema({
+ *       userId: ObjectId,
+ *       username: {
+ *         type: String,
+ *         required: [
+ *           function() { return this.userId != null; },
+ *           'username is required if id is specified'
+ *         ]
+ *       }
+ *     })
+ *
+ *     // or through the path API
+ *
+ *     s.path('name').required(true);
+ *
+ *     // with custom error messaging
+ *
+ *     s.path('name').required(true, 'grrr :( ');
+ *
+ *     // or make a path conditionally required based on a function
+ *     const isOver18 = function() { return this.age >= 18; };
+ *     s.path('voterRegistrationId').required(isOver18);
+ *
+ * The required validator uses the SchemaType's `checkRequired` function to
+ * determine whether a given value satisfies the required validator. By default,
+ * a value satisfies the required validator if `val != null` (that is, if
+ * the value is not null nor undefined). However, most built-in mongoose schema
+ * types override the default `checkRequired` function:
+ *
+ * @param {Boolean|Function|Object} required enable/disable the validator, or function that returns required boolean, or options object
+ * @param {Boolean|Function} [options.isRequired] enable/disable the validator, or function that returns required boolean
+ * @param {Function} [options.ErrorConstructor] custom error constructor. The constructor receives 1 parameter, an object containing the validator properties.
+ * @param {String} [message] optional custom error message
+ * @return {SchemaType} this
+ * @see Customized Error Messages #error_messages_MongooseError-messages
+ * @see SchemaArray#checkRequired #schema_array_SchemaArray-checkRequired
+ * @see SchemaBoolean#checkRequired #schema_boolean_SchemaBoolean-checkRequired
+ * @see SchemaBuffer#checkRequired #schema_buffer_SchemaBuffer-schemaName
+ * @see SchemaNumber#checkRequired #schema_number_SchemaNumber-min
+ * @see SchemaObjectId#checkRequired #schema_objectid_ObjectId-auto
+ * @see SchemaString#checkRequired #schema_string_SchemaString-checkRequired
+ * @api public
+ */
+
+SchemaType.prototype.required = function(required, message) {
+  let customOptions = {};
+
+  if (arguments.length > 0 && required == null) {
+    this.validators = this.validators.filter(function(v) {
+      return v.validator !== this.requiredValidator;
+    }, this);
+
+    this.isRequired = false;
+    delete this.originalRequiredValue;
+    return this;
+  }
+
+  if (typeof required === 'object') {
+    customOptions = required;
+    message = customOptions.message || message;
+    required = required.isRequired;
+  }
+
+  if (required === false) {
+    this.validators = this.validators.filter(function(v) {
+      return v.validator !== this.requiredValidator;
+    }, this);
+
+    this.isRequired = false;
+    delete this.originalRequiredValue;
+    return this;
+  }
+
+  const _this = this;
+  this.isRequired = true;
+
+  this.requiredValidator = function(v) {
+    const cachedRequired = this && this.$__ && this.$__.cachedRequired;
+
+    // no validation when this path wasn't selected in the query.
+    if (cachedRequired != null && !this.$__isSelected(_this.path) && !this[documentIsModified](_this.path)) {
+      return true;
+    }
+
+    // `$cachedRequired` gets set in `_evaluateRequiredFunctions()` so we
+    // don't call required functions multiple times in one validate call
+    // See gh-6801
+    if (cachedRequired != null && _this.path in cachedRequired) {
+      const res = cachedRequired[_this.path] ?
+        _this.checkRequired(v, this) :
+        true;
+      delete cachedRequired[_this.path];
+      return res;
+    } else if (typeof required === 'function') {
+      return required.apply(this) ? _this.checkRequired(v, this) : true;
+    }
+
+    return _this.checkRequired(v, this);
+  };
+  this.originalRequiredValue = required;
+
+  if (typeof required === 'string') {
+    message = required;
+    required = undefined;
+  }
+
+  const msg = message || MongooseError.messages.general.required;
+  this.validators.unshift(Object.assign({}, customOptions, {
+    validator: this.requiredValidator,
+    message: msg,
+    type: 'required'
+  }));
+
+  return this;
+};
+
+/**
+ * Set the model that this path refers to. This is the option that [populate](https://mongoosejs.com/docs/populate.html)
+ * looks at to determine the foreign collection it should query.
+ *
+ * #### Example:
+ *
+ *     const userSchema = new Schema({ name: String });
+ *     const User = mongoose.model('User', userSchema);
+ *
+ *     const postSchema = new Schema({ user: mongoose.ObjectId });
+ *     postSchema.path('user').ref('User'); // Can set ref to a model name
+ *     postSchema.path('user').ref(User); // Or a model class
+ *     postSchema.path('user').ref(() => 'User'); // Or a function that returns the model name
+ *     postSchema.path('user').ref(() => User); // Or a function that returns the model class
+ *
+ *     // Or you can just declare the `ref` inline in your schema
+ *     const postSchema2 = new Schema({
+ *       user: { type: mongoose.ObjectId, ref: User }
+ *     });
+ *
+ * @param {String|Model|Function} ref either a model name, a [Model](https://mongoosejs.com/docs/models.html), or a function that returns a model name or model.
+ * @return {SchemaType} this
+ * @api public
+ */
+
+SchemaType.prototype.ref = function(ref) {
+  this.options.ref = ref;
+  return this;
+};
+
+/**
+ * Gets the default value
+ *
+ * @param {Object} scope the scope which callback are executed
+ * @param {Boolean} init
+ * @return {Any} The Stored default value.
+ * @api private
+ */
+
+SchemaType.prototype.getDefault = function(scope, init, options) {
+  let ret;
+  if (typeof this.defaultValue === 'function') {
+    if (
+      this.defaultValue === Date.now ||
+      this.defaultValue === Array ||
+      this.defaultValue.name.toLowerCase() === 'objectid'
+    ) {
+      ret = this.defaultValue.call(scope);
+    } else {
+      ret = this.defaultValue.call(scope, scope);
+    }
+  } else {
+    ret = this.defaultValue;
+  }
+
+  if (ret !== null && ret !== undefined) {
+    if (typeof ret === 'object' && (!this.options || !this.options.shared)) {
+      ret = utils.clone(ret);
+    }
+
+    if (options && options.skipCast) {
+      return this._applySetters(ret, scope);
+    }
+
+    const casted = this.applySetters(ret, scope, init, undefined, setOptionsForDefaults);
+    if (casted && !Array.isArray(casted) && casted.$isSingleNested) {
+      casted.$__parent = scope;
+    }
+    return casted;
+  }
+  return ret;
+};
+
+/**
+ * Applies setters without casting
+ *
+ * @param {Any} value
+ * @param {Any} scope
+ * @param {Boolean} init
+ * @param {Any} priorVal
+ * @param {Object} [options]
+ * @instance
+ * @api private
+ */
+
+SchemaType.prototype._applySetters = function(value, scope, init, priorVal, options) {
+  let v = value;
+  if (init) {
+    return v;
+  }
+  const setters = this.setters;
+
+  for (let i = setters.length - 1; i >= 0; i--) {
+    v = setters[i].call(scope, v, priorVal, this, options);
+  }
+
+  return v;
+};
+
+/*!
+ * ignore
+ */
+
+SchemaType.prototype._castNullish = function _castNullish(v) {
+  return v;
+};
+
+/**
+ * Applies setters
+ *
+ * @param {Object} value
+ * @param {Object} scope
+ * @param {Boolean} init
+ * @return {Any}
+ * @api private
+ */
+
+SchemaType.prototype.applySetters = function(value, scope, init, priorVal, options) {
+  let v = this._applySetters(value, scope, init, priorVal, options);
+  if (v == null) {
+    return this._castNullish(v);
+  }
+
+  // do not cast until all setters are applied #665
+  v = this.cast(v, scope, init, priorVal, options);
+
+  return v;
+};
+
+/**
+ * Applies getters to a value
+ *
+ * @param {Object} value
+ * @param {Object} scope
+ * @return {Any}
+ * @api private
+ */
+
+SchemaType.prototype.applyGetters = function(value, scope) {
+  let v = value;
+  const getters = this.getters;
+  const len = getters.length;
+
+  if (len === 0) {
+    return v;
+  }
+
+  for (let i = 0; i < len; ++i) {
+    v = getters[i].call(scope, v, this);
+  }
+
+  return v;
+};
+
+/**
+ * Sets default `select()` behavior for this path.
+ *
+ * Set to `true` if this path should always be included in the results, `false` if it should be excluded by default. This setting can be overridden at the query level.
+ *
+ * #### Example:
+ *
+ *     T = db.model('T', new Schema({ x: { type: String, select: true }}));
+ *     T.find(..); // field x will always be selected ..
+ *     // .. unless overridden;
+ *     T.find().select('-x').exec(callback);
+ *
+ * @param {Boolean} val
+ * @return {SchemaType} this
+ * @api public
+ */
+
+SchemaType.prototype.select = function select(val) {
+  this.selected = !!val;
+  return this;
+};
+
+/**
+ * Performs a validation of `value` using the validators declared for this SchemaType.
+ *
+ * @param {Any} value
+ * @param {Function} callback
+ * @param {Object} scope
+ * @param {Object} [options]
+ * @param {String} [options.path]
+ * @return {Any} If no validators, returns the output from calling `fn`, otherwise no return
+ * @api public
+ */
+
+SchemaType.prototype.doValidate = function(value, fn, scope, options) {
+  let err = false;
+  const path = this.path;
+
+  // Avoid non-object `validators`
+  const validators = this.validators.
+    filter(v => typeof v === 'object' && v !== null);
+
+  let count = validators.length;
+
+  if (!count) {
+    return fn(null);
+  }
+
+  for (let i = 0, len = validators.length; i < len; ++i) {
+    if (err) {
+      break;
+    }
+
+    const v = validators[i];
+    const validator = v.validator;
+    let ok;
+
+    const validatorProperties = isSimpleValidator(v) ? Object.assign({}, v) : utils.clone(v);
+    validatorProperties.path = options && options.path ? options.path : path;
+    validatorProperties.value = value;
+
+    if (validator instanceof RegExp) {
+      validate(validator.test(value), validatorProperties);
+      continue;
+    }
+
+    if (typeof validator !== 'function') {
+      continue;
+    }
+
+    if (value === undefined && validator !== this.requiredValidator) {
+      validate(true, validatorProperties);
+      continue;
+    }
+
+    try {
+      if (validatorProperties.propsParameter) {
+        ok = validator.call(scope, value, validatorProperties);
+      } else {
+        ok = validator.call(scope, value);
+      }
+    } catch (error) {
+      ok = false;
+      validatorProperties.reason = error;
+      if (error.message) {
+        validatorProperties.message = error.message;
+      }
+    }
+
+    if (ok != null && typeof ok.then === 'function') {
+      ok.then(
+        function(ok) { validate(ok, validatorProperties); },
+        function(error) {
+          validatorProperties.reason = error;
+          validatorProperties.message = error.message;
+          ok = false;
+          validate(ok, validatorProperties);
+        });
+    } else {
+      validate(ok, validatorProperties);
+    }
+  }
+
+  function validate(ok, validatorProperties) {
+    if (err) {
+      return;
+    }
+    if (ok === undefined || ok) {
+      if (--count <= 0) {
+        immediate(function() {
+          fn(null);
+        });
+      }
+    } else {
+      const ErrorConstructor = validatorProperties.ErrorConstructor || ValidatorError;
+      err = new ErrorConstructor(validatorProperties);
+      err[validatorErrorSymbol] = true;
+      immediate(function() {
+        fn(err);
+      });
+    }
+  }
+};
+
+
+function _validate(ok, validatorProperties) {
+  if (ok !== undefined && !ok) {
+    const ErrorConstructor = validatorProperties.ErrorConstructor || ValidatorError;
+    const err = new ErrorConstructor(validatorProperties);
+    err[validatorErrorSymbol] = true;
+    return err;
+  }
+}
+
+/**
+ * Performs a validation of `value` using the validators declared for this SchemaType.
+ *
+ * #### Note:
+ *
+ * This method ignores the asynchronous validators.
+ *
+ * @param {Any} value
+ * @param {Object} scope
+ * @param {Object} [options]
+ * @param {Object} [options.path]
+ * @return {MongooseError|null}
+ * @api private
+ */
+
+SchemaType.prototype.doValidateSync = function(value, scope, options) {
+  const path = this.path;
+  const count = this.validators.length;
+
+  if (!count) {
+    return null;
+  }
+
+  let validators = this.validators;
+  if (value === void 0) {
+    if (this.validators.length !== 0 && this.validators[0].type === 'required') {
+      validators = [this.validators[0]];
+    } else {
+      return null;
+    }
+  }
+
+  let err = null;
+  let i = 0;
+  const len = validators.length;
+  for (i = 0; i < len; ++i) {
+
+    const v = validators[i];
+
+    if (v === null || typeof v !== 'object') {
+      continue;
+    }
+
+    const validator = v.validator;
+    const validatorProperties = isSimpleValidator(v) ? Object.assign({}, v) : utils.clone(v);
+    validatorProperties.path = options && options.path ? options.path : path;
+    validatorProperties.value = value;
+    let ok = false;
+
+    // Skip any explicit async validators. Validators that return a promise
+    // will still run, but won't trigger any errors.
+    if (isAsyncFunction(validator)) {
+      continue;
+    }
+
+    if (validator instanceof RegExp) {
+      err = _validate(validator.test(value), validatorProperties);
+      continue;
+    }
+
+    if (typeof validator !== 'function') {
+      continue;
+    }
+
+    try {
+      if (validatorProperties.propsParameter) {
+        ok = validator.call(scope, value, validatorProperties);
+      } else {
+        ok = validator.call(scope, value);
+      }
+    } catch (error) {
+      ok = false;
+      validatorProperties.reason = error;
+    }
+
+    // Skip any validators that return a promise, we can't handle those
+    // synchronously
+    if (ok != null && typeof ok.then === 'function') {
+      continue;
+    }
+    err = _validate(ok, validatorProperties);
+    if (err) {
+      break;
+    }
+  }
+
+  return err;
+};
+
+/**
+ * Determines if value is a valid Reference.
+ *
+ * @param {SchemaType} self
+ * @param {Object} value
+ * @param {Document} doc
+ * @param {Boolean} init
+ * @return {Boolean}
+ * @api private
+ */
+
+SchemaType._isRef = function(self, value, doc, init) {
+  // fast path
+  let ref = init && self.options && (self.options.ref || self.options.refPath);
+
+  if (!ref && doc && doc.$__ != null) {
+    // checks for
+    // - this populated with adhoc model and no ref was set in schema OR
+    // - setting / pushing values after population
+    const path = doc.$__fullPath(self.path, true);
+
+    const owner = doc.ownerDocument();
+    ref = (path != null && owner.$populated(path)) || doc.$populated(self.path);
+  }
+
+  if (ref) {
+    if (value == null) {
+      return true;
+    }
+    if (!Buffer.isBuffer(value) && // buffers are objects too
+      value._bsontype !== 'Binary' // raw binary value from the db
+      && utils.isObject(value) // might have deselected _id in population query
+    ) {
+      return true;
+    }
+
+    return init;
+  }
+
+  return false;
+};
+
+/*!
+ * ignore
+ */
+
+SchemaType.prototype._castRef = function _castRef(value, doc, init) {
+  if (value == null) {
+    return value;
+  }
+
+  if (value.$__ != null) {
+    value.$__.wasPopulated = value.$__.wasPopulated || true;
+    return value;
+  }
+
+  // setting a populated path
+  if (Buffer.isBuffer(value) || !utils.isObject(value)) {
+    if (init) {
+      return value;
+    }
+    throw new CastError(this.instance, value, this.path, null, this);
+  }
+
+  // Handle the case where user directly sets a populated
+  // path to a plain object; cast to the Model used in
+  // the population query.
+  const path = doc.$__fullPath(this.path, true);
+  const owner = doc.ownerDocument();
+  const pop = owner.$populated(path, true);
+  let ret = value;
+  if (!doc.$__.populated ||
+    !doc.$__.populated[path] ||
+    !doc.$__.populated[path].options ||
+    !doc.$__.populated[path].options.options ||
+    !doc.$__.populated[path].options.options.lean) {
+    ret = new pop.options[populateModelSymbol](value);
+    ret.$__.wasPopulated = true;
+  }
+
+  return ret;
+};
+
+/*!
+ * ignore
+ */
+
+function handleSingle(val) {
+  return this.castForQuery(val);
+}
+
+/*!
+ * ignore
+ */
+
+function handleArray(val) {
+  const _this = this;
+  if (!Array.isArray(val)) {
+    return [this.castForQuery(val)];
+  }
+  return val.map(function(m) {
+    return _this.castForQuery(m);
+  });
+}
+
+/**
+ * Just like handleArray, except also allows `[]` because surprisingly
+ * `$in: [1, []]` works fine
+ * @api private
+ */
+
+function handle$in(val) {
+  const _this = this;
+  if (!Array.isArray(val)) {
+    return [this.castForQuery(val)];
+  }
+  return val.map(function(m) {
+    if (Array.isArray(m) && m.length === 0) {
+      return m;
+    }
+    return _this.castForQuery(m);
+  });
+}
+
+/*!
+ * ignore
+ */
+
+SchemaType.prototype.$conditionalHandlers = {
+  $all: handleArray,
+  $eq: handleSingle,
+  $in: handle$in,
+  $ne: handleSingle,
+  $nin: handle$in,
+  $exists: $exists,
+  $type: $type
+};
+
+/**
+ * Wraps `castForQuery` to handle context
+ * @param {Object} params
+ * @instance
+ * @api private
+ */
+
+SchemaType.prototype.castForQueryWrapper = function(params) {
+  this.$$context = params.context;
+  if ('$conditional' in params) {
+    const ret = this.castForQuery(params.$conditional, params.val);
+    this.$$context = null;
+    return ret;
+  }
+  if (params.$skipQueryCastForUpdate || params.$applySetters) {
+    const ret = this._castForQuery(params.val);
+    this.$$context = null;
+    return ret;
+  }
+
+  const ret = this.castForQuery(params.val);
+  this.$$context = null;
+  return ret;
+};
+
+/**
+ * Cast the given value with the given optional query operator.
+ *
+ * @param {String} [$conditional] query operator, like `$eq` or `$in`
+ * @param {Any} val
+ * @return {Any}
+ * @api private
+ */
+
+SchemaType.prototype.castForQuery = function($conditional, val) {
+  let handler;
+  if (arguments.length === 2) {
+    handler = this.$conditionalHandlers[$conditional];
+    if (!handler) {
+      throw new Error('Can\'t use ' + $conditional);
+    }
+    return handler.call(this, val);
+  }
+  val = $conditional;
+  return this._castForQuery(val);
+};
+
+/**
+ * Internal switch for runSetters
+ *
+ * @param {Any} val
+ * @return {Any}
+ * @api private
+ */
+
+SchemaType.prototype._castForQuery = function(val) {
+  return this.applySetters(val, this.$$context);
+};
+
+/**
+ * Set & Get the `checkRequired` function
+ * Override the function the required validator uses to check whether a value
+ * passes the `required` check. Override this on the individual SchemaType.
+ *
+ * #### Example:
+ *
+ *     // Use this to allow empty strings to pass the `required` validator
+ *     mongoose.Schema.Types.String.checkRequired(v => typeof v === 'string');
+ *
+ * @param {Function} [fn] If set, will overwrite the current set function
+ * @return {Function} The input `fn` or the already set function
+ * @static
+ * @memberOf SchemaType
+ * @function checkRequired
+ * @api public
+ */
+
+SchemaType.checkRequired = function(fn) {
+  if (arguments.length !== 0) {
+    this._checkRequired = fn;
+  }
+
+  return this._checkRequired;
+};
+
+/**
+ * Default check for if this path satisfies the `required` validator.
+ *
+ * @param {Any} val
+ * @return {Boolean} `true` when the value is not `null`, `false` otherwise
+ * @api private
+ */
+
+SchemaType.prototype.checkRequired = function(val) {
+  return val != null;
+};
+
+/**
+ * Clone the current SchemaType
+ *
+ * @return {SchemaType} The cloned SchemaType instance
+ * @api private
+ */
+
+SchemaType.prototype.clone = function() {
+  const options = Object.assign({}, this.options);
+  const schematype = new this.constructor(this.path, options, this.instance);
+  schematype.validators = this.validators.slice();
+  if (this.requiredValidator !== undefined) schematype.requiredValidator = this.requiredValidator;
+  if (this.defaultValue !== undefined) schematype.defaultValue = this.defaultValue;
+  if (this.$immutable !== undefined && this.options.immutable === undefined) {
+    schematype.$immutable = this.$immutable;
+
+    handleImmutable(schematype);
+  }
+  if (this._index !== undefined) schematype._index = this._index;
+  if (this.selected !== undefined) schematype.selected = this.selected;
+  if (this.isRequired !== undefined) schematype.isRequired = this.isRequired;
+  if (this.originalRequiredValue !== undefined) schematype.originalRequiredValue = this.originalRequiredValue;
+  schematype.getters = this.getters.slice();
+  schematype.setters = this.setters.slice();
+  return schematype;
+};
+
+/*!
+ * Module exports.
+ */
+
+module.exports = exports = SchemaType;
+
+exports.CastError = CastError;
+
+exports.ValidatorError = ValidatorError;
diff --git a/node_modules/mongoose/lib/statemachine.js b/node_modules/mongoose/lib/statemachine.js
new file mode 100644
index 000000000..70b1beca6
--- /dev/null
+++ b/node_modules/mongoose/lib/statemachine.js
@@ -0,0 +1,207 @@
+
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const utils = require('./utils'); // eslint-disable-line no-unused-vars
+
+/**
+ * StateMachine represents a minimal `interface` for the
+ * constructors it builds via StateMachine.ctor(...).
+ *
+ * @api private
+ */
+
+const StateMachine = module.exports = exports = function StateMachine() {
+};
+
+/**
+ * StateMachine.ctor('state1', 'state2', ...)
+ * A factory method for subclassing StateMachine.
+ * The arguments are a list of states. For each state,
+ * the constructor's prototype gets state transition
+ * methods named after each state. These transition methods
+ * place their path argument into the given state.
+ *
+ * @param {String} state
+ * @param {String} [state]
+ * @return {Function} subclass constructor
+ * @api private
+ */
+
+StateMachine.ctor = function() {
+  const states = [...arguments];
+
+  const ctor = function() {
+    StateMachine.apply(this, arguments);
+    this.paths = {};
+    this.states = {};
+  };
+
+  ctor.prototype = new StateMachine();
+
+  ctor.prototype.stateNames = states;
+
+  states.forEach(function(state) {
+    // Changes the `path`'s state to `state`.
+    ctor.prototype[state] = function(path) {
+      this._changeState(path, state);
+    };
+  });
+
+  return ctor;
+};
+
+/**
+ * This function is wrapped by the state change functions:
+ *
+ * - `require(path)`
+ * - `modify(path)`
+ * - `init(path)`
+ *
+ * @api private
+ */
+
+StateMachine.prototype._changeState = function _changeState(path, nextState) {
+  const prevBucket = this.states[this.paths[path]];
+  if (prevBucket) delete prevBucket[path];
+
+  this.paths[path] = nextState;
+  this.states[nextState] = this.states[nextState] || {};
+  this.states[nextState][path] = true;
+};
+
+/*!
+ * ignore
+ */
+
+StateMachine.prototype.clear = function clear(state) {
+  if (this.states[state] == null) {
+    return;
+  }
+  const keys = Object.keys(this.states[state]);
+  let i = keys.length;
+  let path;
+
+  while (i--) {
+    path = keys[i];
+    delete this.states[state][path];
+    delete this.paths[path];
+  }
+};
+
+/*!
+ * ignore
+ */
+
+StateMachine.prototype.clearPath = function clearPath(path) {
+  const state = this.paths[path];
+  if (!state) {
+    return;
+  }
+  delete this.paths[path];
+  delete this.states[state][path];
+};
+
+/**
+ * Gets the paths for the given state, or empty object `{}` if none.
+ * @api private
+ */
+
+StateMachine.prototype.getStatePaths = function getStatePaths(state) {
+  if (this.states[state] != null) {
+    return this.states[state];
+  }
+  return {};
+};
+
+/**
+ * Checks to see if at least one path is in the states passed in via `arguments`
+ * e.g., this.some('required', 'inited')
+ *
+ * @param {String} state that we want to check for.
+ * @api private
+ */
+
+StateMachine.prototype.some = function some() {
+  const _this = this;
+  const what = arguments.length ? arguments : this.stateNames;
+  return Array.prototype.some.call(what, function(state) {
+    if (_this.states[state] == null) {
+      return false;
+    }
+    return Object.keys(_this.states[state]).length;
+  });
+};
+
+/**
+ * This function builds the functions that get assigned to `forEach` and `map`,
+ * since both of those methods share a lot of the same logic.
+ *
+ * @param {String} iterMethod is either 'forEach' or 'map'
+ * @return {Function}
+ * @api private
+ */
+
+StateMachine.prototype._iter = function _iter(iterMethod) {
+  return function() {
+    let states = [...arguments];
+    const callback = states.pop();
+
+    if (!states.length) states = this.stateNames;
+
+    const _this = this;
+
+    const paths = states.reduce(function(paths, state) {
+      if (_this.states[state] == null) {
+        return paths;
+      }
+      return paths.concat(Object.keys(_this.states[state]));
+    }, []);
+
+    return paths[iterMethod](function(path, i, paths) {
+      return callback(path, i, paths);
+    });
+  };
+};
+
+/**
+ * Iterates over the paths that belong to one of the parameter states.
+ *
+ * The function profile can look like:
+ * this.forEach(state1, fn);         // iterates over all paths in state1
+ * this.forEach(state1, state2, fn); // iterates over all paths in state1 or state2
+ * this.forEach(fn);                 // iterates over all paths in all states
+ *
+ * @param {String} [state]
+ * @param {String} [state]
+ * @param {Function} callback
+ * @api private
+ */
+
+StateMachine.prototype.forEach = function forEach() {
+  this.forEach = this._iter('forEach');
+  return this.forEach.apply(this, arguments);
+};
+
+/**
+ * Maps over the paths that belong to one of the parameter states.
+ *
+ * The function profile can look like:
+ * this.forEach(state1, fn);         // iterates over all paths in state1
+ * this.forEach(state1, state2, fn); // iterates over all paths in state1 or state2
+ * this.forEach(fn);                 // iterates over all paths in all states
+ *
+ * @param {String} [state]
+ * @param {String} [state]
+ * @param {Function} callback
+ * @return {Array}
+ * @api private
+ */
+
+StateMachine.prototype.map = function map() {
+  this.map = this._iter('map');
+  return this.map.apply(this, arguments);
+};
diff --git a/node_modules/mongoose/lib/types/ArraySubdocument.js b/node_modules/mongoose/lib/types/ArraySubdocument.js
new file mode 100644
index 000000000..55889caa8
--- /dev/null
+++ b/node_modules/mongoose/lib/types/ArraySubdocument.js
@@ -0,0 +1,189 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const EventEmitter = require('events').EventEmitter;
+const Subdocument = require('./subdocument');
+const utils = require('../utils');
+
+const documentArrayParent = require('../helpers/symbols').documentArrayParent;
+
+/**
+ * A constructor.
+ *
+ * @param {Object} obj js object returned from the db
+ * @param {MongooseDocumentArray} parentArr the parent array of this document
+ * @param {Boolean} skipId
+ * @param {Object} fields
+ * @param {Number} index
+ * @inherits Document
+ * @api private
+ */
+
+function ArraySubdocument(obj, parentArr, skipId, fields, index) {
+  if (utils.isMongooseDocumentArray(parentArr)) {
+    this.__parentArray = parentArr;
+    this[documentArrayParent] = parentArr.$parent();
+  } else {
+    this.__parentArray = undefined;
+    this[documentArrayParent] = undefined;
+  }
+  this.$setIndex(index);
+  this.$__parent = this[documentArrayParent];
+
+  Subdocument.call(this, obj, fields, this[documentArrayParent], skipId, { isNew: true });
+}
+
+/*!
+ * Inherit from Subdocument
+ */
+ArraySubdocument.prototype = Object.create(Subdocument.prototype);
+ArraySubdocument.prototype.constructor = ArraySubdocument;
+
+Object.defineProperty(ArraySubdocument.prototype, '$isSingleNested', {
+  configurable: false,
+  writable: false,
+  value: false
+});
+
+Object.defineProperty(ArraySubdocument.prototype, '$isDocumentArrayElement', {
+  configurable: false,
+  writable: false,
+  value: true
+});
+
+for (const i in EventEmitter.prototype) {
+  ArraySubdocument[i] = EventEmitter.prototype[i];
+}
+
+/*!
+ * ignore
+ */
+
+ArraySubdocument.prototype.$setIndex = function(index) {
+  this.__index = index;
+
+  if (this.$__ != null && this.$__.validationError != null) {
+    const keys = Object.keys(this.$__.validationError.errors);
+    for (const key of keys) {
+      this.invalidate(key, this.$__.validationError.errors[key]);
+    }
+  }
+};
+
+/*!
+ * ignore
+ */
+
+ArraySubdocument.prototype.populate = function() {
+  throw new Error('Mongoose does not support calling populate() on nested ' +
+    'docs. Instead of `doc.arr[0].populate("path")`, use ' +
+    '`doc.populate("arr.0.path")`');
+};
+
+/*!
+ * ignore
+ */
+
+ArraySubdocument.prototype.$__removeFromParent = function() {
+  const _id = this._doc._id;
+  if (!_id) {
+    throw new Error('For your own good, Mongoose does not know ' +
+      'how to remove an ArraySubdocument that has no _id');
+  }
+  this.__parentArray.pull({ _id: _id });
+};
+
+/**
+ * Returns the full path to this document. If optional `path` is passed, it is appended to the full path.
+ *
+ * @param {String} [path]
+ * @param {Boolean} [skipIndex] Skip adding the array index. For example `arr.foo` instead of `arr.0.foo`.
+ * @return {String}
+ * @api private
+ * @method $__fullPath
+ * @memberOf ArraySubdocument
+ * @instance
+ */
+
+ArraySubdocument.prototype.$__fullPath = function(path, skipIndex) {
+  if (this.__index == null) {
+    return null;
+  }
+  if (!this.$__.fullPath) {
+    this.ownerDocument();
+  }
+
+  if (skipIndex) {
+    return path ?
+      this.$__.fullPath + '.' + path :
+      this.$__.fullPath;
+  }
+
+  return path ?
+    this.$__.fullPath + '.' + this.__index + '.' + path :
+    this.$__.fullPath + '.' + this.__index;
+};
+
+/**
+ * Given a path relative to this document, return the path relative
+ * to the top-level document.
+ * @method $__pathRelativeToParent
+ * @memberOf ArraySubdocument
+ * @instance
+ * @api private
+ */
+
+ArraySubdocument.prototype.$__pathRelativeToParent = function(path, skipIndex) {
+  if (this.__index == null) {
+    return null;
+  }
+  if (skipIndex) {
+    return path == null ? this.__parentArray.$path() : this.__parentArray.$path() + '.' + path;
+  }
+  if (path == null) {
+    return this.__parentArray.$path() + '.' + this.__index;
+  }
+  return this.__parentArray.$path() + '.' + this.__index + '.' + path;
+};
+
+/**
+ * Returns this sub-documents parent document.
+ * @method $parent
+ * @memberOf ArraySubdocument
+ * @instance
+ * @api public
+ */
+
+ArraySubdocument.prototype.$parent = function() {
+  return this[documentArrayParent];
+};
+
+/**
+ * Returns this subdocument's parent array.
+ *
+ * #### Example:
+ *
+ *     const Test = mongoose.model('Test', new Schema({
+ *       docArr: [{ name: String }]
+ *     }));
+ *     const doc = new Test({ docArr: [{ name: 'test subdoc' }] });
+ *
+ *     doc.docArr[0].parentArray() === doc.docArr; // true
+ *
+ * @api public
+ * @method parentArray
+ * @returns DocumentArray
+ */
+
+ArraySubdocument.prototype.parentArray = function() {
+  return this.__parentArray;
+};
+
+/*!
+ * Module exports.
+ */
+
+module.exports = ArraySubdocument;
diff --git a/node_modules/mongoose/lib/types/DocumentArray/index.js b/node_modules/mongoose/lib/types/DocumentArray/index.js
new file mode 100644
index 000000000..4730a311a
--- /dev/null
+++ b/node_modules/mongoose/lib/types/DocumentArray/index.js
@@ -0,0 +1,113 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const ArrayMethods = require('../array/methods');
+const DocumentArrayMethods = require('./methods');
+const Document = require('../../document');
+
+const arrayAtomicsSymbol = require('../../helpers/symbols').arrayAtomicsSymbol;
+const arrayAtomicsBackupSymbol = require('../../helpers/symbols').arrayAtomicsBackupSymbol;
+const arrayParentSymbol = require('../../helpers/symbols').arrayParentSymbol;
+const arrayPathSymbol = require('../../helpers/symbols').arrayPathSymbol;
+const arraySchemaSymbol = require('../../helpers/symbols').arraySchemaSymbol;
+
+const _basePush = Array.prototype.push;
+const numberRE = /^\d+$/;
+/**
+ * DocumentArray constructor
+ *
+ * @param {Array} values
+ * @param {String} path the path to this array
+ * @param {Document} doc parent document
+ * @api private
+ * @return {MongooseDocumentArray}
+ * @inherits MongooseArray
+ * @see https://bit.ly/f6CnZU
+ */
+
+function MongooseDocumentArray(values, path, doc) {
+  const __array = [];
+
+  const internals = {
+    [arrayAtomicsSymbol]: {},
+    [arrayAtomicsBackupSymbol]: void 0,
+    [arrayPathSymbol]: path,
+    [arraySchemaSymbol]: void 0,
+    [arrayParentSymbol]: void 0
+  };
+
+  if (Array.isArray(values)) {
+    if (values[arrayPathSymbol] === path &&
+        values[arrayParentSymbol] === doc) {
+      internals[arrayAtomicsSymbol] = Object.assign({}, values[arrayAtomicsSymbol]);
+    }
+    values.forEach(v => {
+      _basePush.call(__array, v);
+    });
+  }
+  internals[arrayPathSymbol] = path;
+  internals.__array = __array;
+
+  // Because doc comes from the context of another function, doc === global
+  // can happen if there was a null somewhere up the chain (see #3020 && #3034)
+  // RB Jun 17, 2015 updated to check for presence of expected paths instead
+  // to make more proof against unusual node environments
+  if (doc && doc instanceof Document) {
+    internals[arrayParentSymbol] = doc;
+    internals[arraySchemaSymbol] = doc.schema.path(path);
+
+    // `schema.path()` doesn't drill into nested arrays properly yet, see
+    // gh-6398, gh-6602. This is a workaround because nested arrays are
+    // always plain non-document arrays, so once you get to a document array
+    // nesting is done. Matryoshka code.
+    while (internals[arraySchemaSymbol] != null &&
+        internals[arraySchemaSymbol].$isMongooseArray &&
+        !internals[arraySchemaSymbol].$isMongooseDocumentArray) {
+      internals[arraySchemaSymbol] = internals[arraySchemaSymbol].casterConstructor;
+    }
+  }
+
+  const proxy = new Proxy(__array, {
+    get: function(target, prop) {
+      if (prop === 'isMongooseArray' ||
+          prop === 'isMongooseArrayProxy' ||
+          prop === 'isMongooseDocumentArray' ||
+          prop === 'isMongooseDocumentArrayProxy') {
+        return true;
+      }
+      if (internals.hasOwnProperty(prop)) {
+        return internals[prop];
+      }
+      if (DocumentArrayMethods.hasOwnProperty(prop)) {
+        return DocumentArrayMethods[prop];
+      }
+      if (ArrayMethods.hasOwnProperty(prop)) {
+        return ArrayMethods[prop];
+      }
+
+      return __array[prop];
+    },
+    set: function(target, prop, value) {
+      if (typeof prop === 'string' && numberRE.test(prop)) {
+        DocumentArrayMethods.set.call(proxy, prop, value, false);
+      } else if (internals.hasOwnProperty(prop)) {
+        internals[prop] = value;
+      } else {
+        __array[prop] = value;
+      }
+
+      return true;
+    }
+  });
+
+  return proxy;
+}
+
+/*!
+ * Module exports.
+ */
+
+module.exports = MongooseDocumentArray;
diff --git a/node_modules/mongoose/lib/types/DocumentArray/isMongooseDocumentArray.js b/node_modules/mongoose/lib/types/DocumentArray/isMongooseDocumentArray.js
new file mode 100644
index 000000000..6e6a16907
--- /dev/null
+++ b/node_modules/mongoose/lib/types/DocumentArray/isMongooseDocumentArray.js
@@ -0,0 +1,5 @@
+'use strict';
+
+exports.isMongooseDocumentArray = function(mongooseDocumentArray) {
+  return Array.isArray(mongooseDocumentArray) && mongooseDocumentArray.isMongooseDocumentArray;
+};
diff --git a/node_modules/mongoose/lib/types/DocumentArray/methods/index.js b/node_modules/mongoose/lib/types/DocumentArray/methods/index.js
new file mode 100644
index 000000000..4175901d3
--- /dev/null
+++ b/node_modules/mongoose/lib/types/DocumentArray/methods/index.js
@@ -0,0 +1,383 @@
+'use strict';
+
+const ArrayMethods = require('../../array/methods');
+const Document = require('../../../document');
+const castObjectId = require('../../../cast/objectid');
+const getDiscriminatorByValue = require('../../../helpers/discriminator/getDiscriminatorByValue');
+const internalToObjectOptions = require('../../../options').internalToObjectOptions;
+const utils = require('../../../utils');
+const isBsonType = require('../../../helpers/isBsonType');
+
+const arrayParentSymbol = require('../../../helpers/symbols').arrayParentSymbol;
+const arrayPathSymbol = require('../../../helpers/symbols').arrayPathSymbol;
+const arraySchemaSymbol = require('../../../helpers/symbols').arraySchemaSymbol;
+const documentArrayParent = require('../../../helpers/symbols').documentArrayParent;
+
+const methods = {
+  /*!
+   * ignore
+   */
+
+  toBSON() {
+    return this.toObject(internalToObjectOptions);
+  },
+
+  /*!
+   * ignore
+   */
+
+  getArrayParent() {
+    return this[arrayParentSymbol];
+  },
+
+  /**
+   * Overrides MongooseArray#cast
+   *
+   * @method _cast
+   * @api private
+   * @memberOf MongooseDocumentArray
+   */
+
+  _cast(value, index) {
+    if (this[arraySchemaSymbol] == null) {
+      return value;
+    }
+    let Constructor = this[arraySchemaSymbol].casterConstructor;
+    const isInstance = Constructor.$isMongooseDocumentArray ?
+      utils.isMongooseDocumentArray(value) :
+      value instanceof Constructor;
+    if (isInstance ||
+        // Hack re: #5001, see #5005
+        (value && value.constructor && value.constructor.baseCasterConstructor === Constructor)) {
+      if (!(value[documentArrayParent] && value.__parentArray)) {
+        // value may have been created using array.create()
+        value[documentArrayParent] = this[arrayParentSymbol];
+        value.__parentArray = this;
+      }
+      value.$setIndex(index);
+      return value;
+    }
+
+    if (value === undefined || value === null) {
+      return null;
+    }
+
+    // handle cast('string') or cast(ObjectId) etc.
+    // only objects are permitted so we can safely assume that
+    // non-objects are to be interpreted as _id
+    if (Buffer.isBuffer(value) ||
+        isBsonType(value, 'ObjectID') || !utils.isObject(value)) {
+      value = { _id: value };
+    }
+
+    if (value &&
+        Constructor.discriminators &&
+        Constructor.schema &&
+        Constructor.schema.options &&
+        Constructor.schema.options.discriminatorKey) {
+      if (typeof value[Constructor.schema.options.discriminatorKey] === 'string' &&
+          Constructor.discriminators[value[Constructor.schema.options.discriminatorKey]]) {
+        Constructor = Constructor.discriminators[value[Constructor.schema.options.discriminatorKey]];
+      } else {
+        const constructorByValue = getDiscriminatorByValue(Constructor.discriminators, value[Constructor.schema.options.discriminatorKey]);
+        if (constructorByValue) {
+          Constructor = constructorByValue;
+        }
+      }
+    }
+
+    if (Constructor.$isMongooseDocumentArray) {
+      return Constructor.cast(value, this, undefined, undefined, index);
+    }
+    const ret = new Constructor(value, this, undefined, undefined, index);
+    ret.isNew = true;
+    return ret;
+  },
+
+  /**
+   * Searches array items for the first document with a matching _id.
+   *
+   * #### Example:
+   *
+   *     const embeddedDoc = m.array.id(some_id);
+   *
+   * @return {EmbeddedDocument|null} the subdocument or null if not found.
+   * @param {ObjectId|String|Number|Buffer} id
+   * @TODO cast to the _id based on schema for proper comparison
+   * @method id
+   * @api public
+   * @memberOf MongooseDocumentArray
+   */
+
+  id(id) {
+    let casted;
+    let sid;
+    let _id;
+
+    try {
+      casted = castObjectId(id).toString();
+    } catch (e) {
+      casted = null;
+    }
+
+    for (const val of this) {
+      if (!val) {
+        continue;
+      }
+
+      _id = val.get('_id');
+
+      if (_id === null || typeof _id === 'undefined') {
+        continue;
+      } else if (_id instanceof Document) {
+        sid || (sid = String(id));
+        if (sid == _id._id) {
+          return val;
+        }
+      } else if (!isBsonType(id, 'ObjectID') && !isBsonType(_id, 'ObjectID')) {
+        if (id == _id || utils.deepEqual(id, _id)) {
+          return val;
+        }
+      } else if (casted == _id) {
+        return val;
+      }
+    }
+
+    return null;
+  },
+
+  /**
+   * Returns a native js Array of plain js objects
+   *
+   * #### Note:
+   *
+   * _Each sub-document is converted to a plain object by calling its `#toObject` method._
+   *
+   * @param {Object} [options] optional options to pass to each documents `toObject` method call during conversion
+   * @return {Array}
+   * @method toObject
+   * @api public
+   * @memberOf MongooseDocumentArray
+   */
+
+  toObject(options) {
+    // `[].concat` coerces the return value into a vanilla JS array, rather
+    // than a Mongoose array.
+    return [].concat(this.map(function(doc) {
+      if (doc == null) {
+        return null;
+      }
+      if (typeof doc.toObject !== 'function') {
+        return doc;
+      }
+      return doc.toObject(options);
+    }));
+  },
+
+  $toObject() {
+    return this.constructor.prototype.toObject.apply(this, arguments);
+  },
+
+  /**
+   * Wraps [`Array#push`](https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/push) with proper change tracking.
+   *
+   * @param {...Object} [args]
+   * @api public
+   * @method push
+   * @memberOf MongooseDocumentArray
+   */
+
+  push() {
+    const ret = ArrayMethods.push.apply(this, arguments);
+
+    _updateParentPopulated(this);
+
+    return ret;
+  },
+
+  /**
+   * Pulls items from the array atomically.
+   *
+   * @param {...Object} [args]
+   * @api public
+   * @method pull
+   * @memberOf MongooseDocumentArray
+   */
+
+  pull() {
+    const ret = ArrayMethods.pull.apply(this, arguments);
+
+    _updateParentPopulated(this);
+
+    return ret;
+  },
+
+  /**
+   * Wraps [`Array#shift`](https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/unshift) with proper change tracking.
+   * @api private
+   */
+
+  shift() {
+    const ret = ArrayMethods.shift.apply(this, arguments);
+
+    _updateParentPopulated(this);
+
+    return ret;
+  },
+
+  /**
+   * Wraps [`Array#splice`](https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/splice) with proper change tracking and casting.
+   * @api private
+   */
+
+  splice() {
+    const ret = ArrayMethods.splice.apply(this, arguments);
+
+    _updateParentPopulated(this);
+
+    return ret;
+  },
+
+  /**
+   * Helper for console.log
+   *
+   * @method inspect
+   * @api public
+   * @memberOf MongooseDocumentArray
+   */
+
+  inspect() {
+    return this.toObject();
+  },
+
+  /**
+   * Creates a subdocument casted to this schema.
+   *
+   * This is the same subdocument constructor used for casting.
+   *
+   * @param {Object} obj the value to cast to this arrays SubDocument schema
+   * @method create
+   * @api public
+   * @memberOf MongooseDocumentArray
+   */
+
+  create(obj) {
+    let Constructor = this[arraySchemaSymbol].casterConstructor;
+    if (obj &&
+        Constructor.discriminators &&
+        Constructor.schema &&
+        Constructor.schema.options &&
+        Constructor.schema.options.discriminatorKey) {
+      if (typeof obj[Constructor.schema.options.discriminatorKey] === 'string' &&
+          Constructor.discriminators[obj[Constructor.schema.options.discriminatorKey]]) {
+        Constructor = Constructor.discriminators[obj[Constructor.schema.options.discriminatorKey]];
+      } else {
+        const constructorByValue = getDiscriminatorByValue(Constructor.discriminators, obj[Constructor.schema.options.discriminatorKey]);
+        if (constructorByValue) {
+          Constructor = constructorByValue;
+        }
+      }
+    }
+
+    return new Constructor(obj, this);
+  },
+
+  /*!
+   * ignore
+   */
+
+  notify(event) {
+    const _this = this;
+    return function notify(val, _arr) {
+      _arr = _arr || _this;
+      let i = _arr.length;
+      while (i--) {
+        if (_arr[i] == null) {
+          continue;
+        }
+        switch (event) {
+          // only swap for save event for now, we may change this to all event types later
+          case 'save':
+            val = _this[i];
+            break;
+          default:
+            // NO-OP
+            break;
+        }
+
+        if (utils.isMongooseArray(_arr[i])) {
+          notify(val, _arr[i]);
+        } else if (_arr[i]) {
+          _arr[i].emit(event, val);
+        }
+      }
+    };
+  },
+
+  set(i, val, skipModified) {
+    const arr = this.__array;
+    if (skipModified) {
+      arr[i] = val;
+      return this;
+    }
+    const value = methods._cast.call(this, val, i);
+    methods._markModified.call(this, i);
+    arr[i] = value;
+    return this;
+  },
+
+  _markModified(elem, embeddedPath) {
+    const parent = this[arrayParentSymbol];
+    let dirtyPath;
+
+    if (parent) {
+      dirtyPath = this[arrayPathSymbol];
+
+      if (arguments.length) {
+        if (embeddedPath != null) {
+          // an embedded doc bubbled up the change
+          const index = elem.__index;
+          dirtyPath = dirtyPath + '.' + index + '.' + embeddedPath;
+        } else {
+          // directly set an index
+          dirtyPath = dirtyPath + '.' + elem;
+        }
+      }
+
+      if (dirtyPath != null && dirtyPath.endsWith('.$')) {
+        return this;
+      }
+
+      parent.markModified(dirtyPath, arguments.length !== 0 ? elem : parent);
+    }
+
+    return this;
+  }
+};
+
+module.exports = methods;
+
+/**
+ * If this is a document array, each element may contain single
+ * populated paths, so we need to modify the top-level document's
+ * populated cache. See gh-8247, gh-8265.
+ * @param {Array} arr
+ * @api private
+ */
+
+function _updateParentPopulated(arr) {
+  const parent = arr[arrayParentSymbol];
+  if (!parent || parent.$__.populated == null) return;
+
+  const populatedPaths = Object.keys(parent.$__.populated).
+    filter(p => p.startsWith(arr[arrayPathSymbol] + '.'));
+
+  for (const path of populatedPaths) {
+    const remnant = path.slice((arr[arrayPathSymbol] + '.').length);
+    if (!Array.isArray(parent.$__.populated[path].value)) {
+      continue;
+    }
+
+    parent.$__.populated[path].value = arr.map(val => val.$populated(remnant));
+  }
+}
diff --git a/node_modules/mongoose/lib/types/array/index.js b/node_modules/mongoose/lib/types/array/index.js
new file mode 100644
index 000000000..74a03fab4
--- /dev/null
+++ b/node_modules/mongoose/lib/types/array/index.js
@@ -0,0 +1,116 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const Document = require('../../document');
+const mongooseArrayMethods = require('./methods');
+
+const arrayAtomicsSymbol = require('../../helpers/symbols').arrayAtomicsSymbol;
+const arrayAtomicsBackupSymbol = require('../../helpers/symbols').arrayAtomicsBackupSymbol;
+const arrayParentSymbol = require('../../helpers/symbols').arrayParentSymbol;
+const arrayPathSymbol = require('../../helpers/symbols').arrayPathSymbol;
+const arraySchemaSymbol = require('../../helpers/symbols').arraySchemaSymbol;
+
+/**
+ * Mongoose Array constructor.
+ *
+ * #### Note:
+ *
+ * _Values always have to be passed to the constructor to initialize, otherwise `MongooseArray#push` will mark the array as modified._
+ *
+ * @param {Array} values
+ * @param {String} path
+ * @param {Document} doc parent document
+ * @api private
+ * @inherits Array
+ * @see https://bit.ly/f6CnZU
+ */
+const _basePush = Array.prototype.push;
+const numberRE = /^\d+$/;
+
+function MongooseArray(values, path, doc, schematype) {
+  let __array;
+
+  if (Array.isArray(values)) {
+    const len = values.length;
+
+    // Perf optimizations for small arrays: much faster to use `...` than `for` + `push`,
+    // but large arrays may cause stack overflows. And for arrays of length 0/1, just
+    // modifying the array is faster. Seems small, but adds up when you have a document
+    // with thousands of nested arrays.
+    if (len === 0) {
+      __array = new Array();
+    } else if (len === 1) {
+      __array = new Array(1);
+      __array[0] = values[0];
+    } else if (len < 10000) {
+      __array = new Array();
+      _basePush.apply(__array, values);
+    } else {
+      __array = new Array();
+      for (let i = 0; i < len; ++i) {
+        _basePush.call(__array, values[i]);
+      }
+    }
+  } else {
+    __array = [];
+  }
+
+  const internals = {
+    [arrayAtomicsSymbol]: {},
+    [arrayAtomicsBackupSymbol]: void 0,
+    [arrayPathSymbol]: path,
+    [arraySchemaSymbol]: schematype,
+    [arrayParentSymbol]: void 0,
+    isMongooseArray: true,
+    isMongooseArrayProxy: true,
+    __array: __array
+  };
+
+  if (values && values[arrayAtomicsSymbol] != null) {
+    internals[arrayAtomicsSymbol] = values[arrayAtomicsSymbol];
+  }
+
+  // Because doc comes from the context of another function, doc === global
+  // can happen if there was a null somewhere up the chain (see #3020)
+  // RB Jun 17, 2015 updated to check for presence of expected paths instead
+  // to make more proof against unusual node environments
+  if (doc != null && doc instanceof Document) {
+    internals[arrayParentSymbol] = doc;
+    internals[arraySchemaSymbol] = schematype || doc.schema.path(path);
+  }
+
+  const proxy = new Proxy(__array, {
+    get: function(target, prop) {
+      if (internals.hasOwnProperty(prop)) {
+        return internals[prop];
+      }
+      if (mongooseArrayMethods.hasOwnProperty(prop)) {
+        return mongooseArrayMethods[prop];
+      }
+
+      return __array[prop];
+    },
+    set: function(target, prop, value) {
+      if (typeof prop === 'string' && numberRE.test(prop)) {
+        mongooseArrayMethods.set.call(proxy, prop, value, false);
+      } else if (internals.hasOwnProperty(prop)) {
+        internals[prop] = value;
+      } else {
+        __array[prop] = value;
+      }
+
+      return true;
+    }
+  });
+
+  return proxy;
+}
+
+/*!
+ * Module exports.
+ */
+
+module.exports = exports = MongooseArray;
diff --git a/node_modules/mongoose/lib/types/array/isMongooseArray.js b/node_modules/mongoose/lib/types/array/isMongooseArray.js
new file mode 100644
index 000000000..89326136b
--- /dev/null
+++ b/node_modules/mongoose/lib/types/array/isMongooseArray.js
@@ -0,0 +1,5 @@
+'use strict';
+
+exports.isMongooseArray = function(mongooseArray) {
+  return Array.isArray(mongooseArray) && mongooseArray.isMongooseArray;
+};
diff --git a/node_modules/mongoose/lib/types/array/methods/index.js b/node_modules/mongoose/lib/types/array/methods/index.js
new file mode 100644
index 000000000..12c2f611d
--- /dev/null
+++ b/node_modules/mongoose/lib/types/array/methods/index.js
@@ -0,0 +1,1015 @@
+'use strict';
+
+const Document = require('../../../document');
+const ArraySubdocument = require('../../ArraySubdocument');
+const MongooseError = require('../../../error/mongooseError');
+const cleanModifiedSubpaths = require('../../../helpers/document/cleanModifiedSubpaths');
+const internalToObjectOptions = require('../../../options').internalToObjectOptions;
+const mpath = require('mpath');
+const utils = require('../../../utils');
+const isBsonType = require('../../../helpers/isBsonType');
+
+const arrayAtomicsSymbol = require('../../../helpers/symbols').arrayAtomicsSymbol;
+const arrayParentSymbol = require('../../../helpers/symbols').arrayParentSymbol;
+const arrayPathSymbol = require('../../../helpers/symbols').arrayPathSymbol;
+const arraySchemaSymbol = require('../../../helpers/symbols').arraySchemaSymbol;
+const populateModelSymbol = require('../../../helpers/symbols').populateModelSymbol;
+const slicedSymbol = Symbol('mongoose#Array#sliced');
+
+const _basePush = Array.prototype.push;
+
+/*!
+ * ignore
+ */
+
+const methods = {
+  /**
+   * Depopulates stored atomic operation values as necessary for direct insertion to MongoDB.
+   *
+   * If no atomics exist, we return all array values after conversion.
+   *
+   * @return {Array}
+   * @method $__getAtomics
+   * @memberOf MongooseArray
+   * @instance
+   * @api private
+   */
+
+  $__getAtomics() {
+    const ret = [];
+    const keys = Object.keys(this[arrayAtomicsSymbol] || {});
+    let i = keys.length;
+
+    const opts = Object.assign({}, internalToObjectOptions, { _isNested: true });
+
+    if (i === 0) {
+      ret[0] = ['$set', this.toObject(opts)];
+      return ret;
+    }
+
+    while (i--) {
+      const op = keys[i];
+      let val = this[arrayAtomicsSymbol][op];
+
+      // the atomic values which are arrays are not MongooseArrays. we
+      // need to convert their elements as if they were MongooseArrays
+      // to handle populated arrays versus DocumentArrays properly.
+      if (utils.isMongooseObject(val)) {
+        val = val.toObject(opts);
+      } else if (Array.isArray(val)) {
+        val = this.toObject.call(val, opts);
+      } else if (val != null && Array.isArray(val.$each)) {
+        val.$each = this.toObject.call(val.$each, opts);
+      } else if (val != null && typeof val.valueOf === 'function') {
+        val = val.valueOf();
+      }
+
+      if (op === '$addToSet') {
+        val = { $each: val };
+      }
+
+      ret.push([op, val]);
+    }
+
+    return ret;
+  },
+
+  /*!
+   * ignore
+   */
+
+  $atomics() {
+    return this[arrayAtomicsSymbol];
+  },
+
+  /*!
+   * ignore
+   */
+
+  $parent() {
+    return this[arrayParentSymbol];
+  },
+
+  /*!
+   * ignore
+   */
+
+  $path() {
+    return this[arrayPathSymbol];
+  },
+
+  /**
+   * Atomically shifts the array at most one time per document `save()`.
+   *
+   * #### Note:
+   *
+   * _Calling this multiple times on an array before saving sends the same command as calling it once._
+   * _This update is implemented using the MongoDB [$pop](https://www.mongodb.org/display/DOCS/Updating/#Updating-%24pop) method which enforces this restriction._
+   *
+   *      doc.array = [1,2,3];
+   *
+   *      const shifted = doc.array.$shift();
+   *      console.log(shifted); // 1
+   *      console.log(doc.array); // [2,3]
+   *
+   *      // no affect
+   *      shifted = doc.array.$shift();
+   *      console.log(doc.array); // [2,3]
+   *
+   *      doc.save(function (err) {
+   *        if (err) return handleError(err);
+   *
+   *        // we saved, now $shift works again
+   *        shifted = doc.array.$shift();
+   *        console.log(shifted ); // 2
+   *        console.log(doc.array); // [3]
+   *      })
+   *
+   * @api public
+   * @memberOf MongooseArray
+   * @instance
+   * @method $shift
+   * @see mongodb https://www.mongodb.org/display/DOCS/Updating/#Updating-%24pop
+   */
+
+  $shift() {
+    this._registerAtomic('$pop', -1);
+    this._markModified();
+
+    // only allow shifting once
+    if (this._shifted) {
+      return;
+    }
+    this._shifted = true;
+
+    return [].shift.call(this);
+  },
+
+  /**
+   * Pops the array atomically at most one time per document `save()`.
+   *
+   * #### NOTE:
+   *
+   * _Calling this multiple times on an array before saving sends the same command as calling it once._
+   * _This update is implemented using the MongoDB [$pop](https://www.mongodb.org/display/DOCS/Updating/#Updating-%24pop) method which enforces this restriction._
+   *
+   *      doc.array = [1,2,3];
+   *
+   *      const popped = doc.array.$pop();
+   *      console.log(popped); // 3
+   *      console.log(doc.array); // [1,2]
+   *
+   *      // no affect
+   *      popped = doc.array.$pop();
+   *      console.log(doc.array); // [1,2]
+   *
+   *      doc.save(function (err) {
+   *        if (err) return handleError(err);
+   *
+   *        // we saved, now $pop works again
+   *        popped = doc.array.$pop();
+   *        console.log(popped); // 2
+   *        console.log(doc.array); // [1]
+   *      })
+   *
+   * @api public
+   * @method $pop
+   * @memberOf MongooseArray
+   * @instance
+   * @see mongodb https://www.mongodb.org/display/DOCS/Updating/#Updating-%24pop
+   * @method $pop
+   * @memberOf MongooseArray
+   */
+
+  $pop() {
+    this._registerAtomic('$pop', 1);
+    this._markModified();
+
+    // only allow popping once
+    if (this._popped) {
+      return;
+    }
+    this._popped = true;
+
+    return [].pop.call(this);
+  },
+
+  /*!
+   * ignore
+   */
+
+  $schema() {
+    return this[arraySchemaSymbol];
+  },
+
+  /**
+   * Casts a member based on this arrays schema.
+   *
+   * @param {any} value
+   * @return value the casted value
+   * @method _cast
+   * @api private
+   * @memberOf MongooseArray
+   */
+
+  _cast(value) {
+    let populated = false;
+    let Model;
+
+    const parent = this[arrayParentSymbol];
+    if (parent) {
+      populated = parent.$populated(this[arrayPathSymbol], true);
+    }
+
+    if (populated && value !== null && value !== undefined) {
+      // cast to the populated Models schema
+      Model = populated.options[populateModelSymbol];
+
+      // only objects are permitted so we can safely assume that
+      // non-objects are to be interpreted as _id
+      if (Buffer.isBuffer(value) ||
+          isBsonType(value, 'ObjectID') || !utils.isObject(value)) {
+        value = { _id: value };
+      }
+
+      // gh-2399
+      // we should cast model only when it's not a discriminator
+      const isDisc = value.schema && value.schema.discriminatorMapping &&
+          value.schema.discriminatorMapping.key !== undefined;
+      if (!isDisc) {
+        value = new Model(value);
+      }
+      return this[arraySchemaSymbol].caster.applySetters(value, parent, true);
+    }
+
+    return this[arraySchemaSymbol].caster.applySetters(value, parent, false);
+  },
+
+  /**
+   * Internal helper for .map()
+   *
+   * @api private
+   * @return {Number}
+   * @method _mapCast
+   * @memberOf MongooseArray
+   */
+
+  _mapCast(val, index) {
+    return this._cast(val, this.length + index);
+  },
+
+  /**
+   * Marks this array as modified.
+   *
+   * If it bubbles up from an embedded document change, then it takes the following arguments (otherwise, takes 0 arguments)
+   *
+   * @param {ArraySubdocument} subdoc the embedded doc that invoked this method on the Array
+   * @param {String} embeddedPath the path which changed in the subdoc
+   * @method _markModified
+   * @api private
+   * @memberOf MongooseArray
+   */
+
+  _markModified(elem) {
+    const parent = this[arrayParentSymbol];
+    let dirtyPath;
+
+    if (parent) {
+      dirtyPath = this[arrayPathSymbol];
+
+      if (arguments.length) {
+        dirtyPath = dirtyPath + '.' + elem;
+      }
+
+      if (dirtyPath != null && dirtyPath.endsWith('.$')) {
+        return this;
+      }
+
+      parent.markModified(dirtyPath, arguments.length !== 0 ? elem : parent);
+    }
+
+    return this;
+  },
+
+  /**
+   * Register an atomic operation with the parent.
+   *
+   * @param {Array} op operation
+   * @param {any} val
+   * @method _registerAtomic
+   * @api private
+   * @memberOf MongooseArray
+   */
+
+  _registerAtomic(op, val) {
+    if (this[slicedSymbol]) {
+      return;
+    }
+    if (op === '$set') {
+      // $set takes precedence over all other ops.
+      // mark entire array modified.
+      this[arrayAtomicsSymbol] = { $set: val };
+      cleanModifiedSubpaths(this[arrayParentSymbol], this[arrayPathSymbol]);
+      this._markModified();
+      return this;
+    }
+
+    const atomics = this[arrayAtomicsSymbol];
+
+    // reset pop/shift after save
+    if (op === '$pop' && !('$pop' in atomics)) {
+      const _this = this;
+      this[arrayParentSymbol].once('save', function() {
+        _this._popped = _this._shifted = null;
+      });
+    }
+
+    // check for impossible $atomic combos (Mongo denies more than one
+    // $atomic op on a single path
+    if (atomics.$set || Object.keys(atomics).length && !(op in atomics)) {
+      // a different op was previously registered.
+      // save the entire thing.
+      this[arrayAtomicsSymbol] = { $set: this };
+      return this;
+    }
+
+    let selector;
+
+    if (op === '$pullAll' || op === '$addToSet') {
+      atomics[op] || (atomics[op] = []);
+      atomics[op] = atomics[op].concat(val);
+    } else if (op === '$pullDocs') {
+      const pullOp = atomics['$pull'] || (atomics['$pull'] = {});
+      if (val[0] instanceof ArraySubdocument) {
+        selector = pullOp['$or'] || (pullOp['$or'] = []);
+        Array.prototype.push.apply(selector, val.map(v => {
+          return v.toObject({
+            transform: (doc, ret) => {
+              if (v == null || v.$__ == null) {
+                return ret;
+              }
+
+              Object.keys(v.$__.activePaths.getStatePaths('default')).forEach(path => {
+                mpath.unset(path, ret);
+
+                _minimizePath(ret, path);
+              });
+
+              return ret;
+            },
+            virtuals: false
+          });
+        }));
+      } else {
+        selector = pullOp['_id'] || (pullOp['_id'] = { $in: [] });
+        selector['$in'] = selector['$in'].concat(val);
+      }
+    } else if (op === '$push') {
+      atomics.$push = atomics.$push || { $each: [] };
+      if (val != null && utils.hasUserDefinedProperty(val, '$each')) {
+        atomics.$push = val;
+      } else {
+        atomics.$push.$each = atomics.$push.$each.concat(val);
+      }
+    } else {
+      atomics[op] = val;
+    }
+
+    return this;
+  },
+
+  /**
+   * Adds values to the array if not already present.
+   *
+   * #### Example:
+   *
+   *     console.log(doc.array) // [2,3,4]
+   *     const added = doc.array.addToSet(4,5);
+   *     console.log(doc.array) // [2,3,4,5]
+   *     console.log(added)     // [5]
+   *
+   * @param {...any} [args]
+   * @return {Array} the values that were added
+   * @memberOf MongooseArray
+   * @api public
+   * @method addToSet
+   */
+
+  addToSet() {
+    _checkManualPopulation(this, arguments);
+
+    let values = [].map.call(arguments, this._mapCast, this);
+    values = this[arraySchemaSymbol].applySetters(values, this[arrayParentSymbol]);
+    const added = [];
+    let type = '';
+    if (values[0] instanceof ArraySubdocument) {
+      type = 'doc';
+    } else if (values[0] instanceof Date) {
+      type = 'date';
+    }
+
+    const rawValues = utils.isMongooseArray(values) ? values.__array : this;
+    const rawArray = utils.isMongooseArray(this) ? this.__array : this;
+
+    rawValues.forEach(function(v) {
+      let found;
+      const val = +v;
+      switch (type) {
+        case 'doc':
+          found = this.some(function(doc) {
+            return doc.equals(v);
+          });
+          break;
+        case 'date':
+          found = this.some(function(d) {
+            return +d === val;
+          });
+          break;
+        default:
+          found = ~this.indexOf(v);
+      }
+
+      if (!found) {
+        this._markModified();
+        rawArray.push(v);
+        this._registerAtomic('$addToSet', v);
+        [].push.call(added, v);
+      }
+    }, this);
+
+    return added;
+  },
+
+  /**
+   * Returns the number of pending atomic operations to send to the db for this array.
+   *
+   * @api private
+   * @return {Number}
+   * @method hasAtomics
+   * @memberOf MongooseArray
+   */
+
+  hasAtomics() {
+    if (!utils.isPOJO(this[arrayAtomicsSymbol])) {
+      return 0;
+    }
+
+    return Object.keys(this[arrayAtomicsSymbol]).length;
+  },
+
+  /**
+   * Return whether or not the `obj` is included in the array.
+   *
+   * @param {Object} obj the item to check
+   * @param {Number} fromIndex
+   * @return {Boolean}
+   * @api public
+   * @method includes
+   * @memberOf MongooseArray
+   */
+
+  includes(obj, fromIndex) {
+    const ret = this.indexOf(obj, fromIndex);
+    return ret !== -1;
+  },
+
+  /**
+   * Return the index of `obj` or `-1` if not found.
+   *
+   * @param {Object} obj the item to look for
+   * @param {Number} fromIndex
+   * @return {Number}
+   * @api public
+   * @method indexOf
+   * @memberOf MongooseArray
+   */
+
+  indexOf(obj, fromIndex) {
+    if (isBsonType(obj, 'ObjectID')) {
+      obj = obj.toString();
+    }
+
+    fromIndex = fromIndex == null ? 0 : fromIndex;
+    const len = this.length;
+    for (let i = fromIndex; i < len; ++i) {
+      if (obj == this[i]) {
+        return i;
+      }
+    }
+    return -1;
+  },
+
+  /**
+   * Helper for console.log
+   *
+   * @api public
+   * @method inspect
+   * @memberOf MongooseArray
+   */
+
+  inspect() {
+    return JSON.stringify(this);
+  },
+
+  /**
+   * Pushes items to the array non-atomically.
+   *
+   * #### Note:
+   *
+   * _marks the entire array as modified, which if saved, will store it as a `$set` operation, potentially overwritting any changes that happen between when you retrieved the object and when you save it._
+   *
+   * @param {...any} [args]
+   * @api public
+   * @method nonAtomicPush
+   * @memberOf MongooseArray
+   */
+
+  nonAtomicPush() {
+    const values = [].map.call(arguments, this._mapCast, this);
+    this._markModified();
+    const ret = [].push.apply(this, values);
+    this._registerAtomic('$set', this);
+    return ret;
+  },
+
+  /**
+   * Wraps [`Array#pop`](https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/pop) with proper change tracking.
+   *
+   * #### Note:
+   *
+   * _marks the entire array as modified which will pass the entire thing to $set potentially overwriting any changes that happen between when you retrieved the object and when you save it._
+   *
+   * @see MongooseArray#$pop #types_array_MongooseArray-%24pop
+   * @api public
+   * @method pop
+   * @memberOf MongooseArray
+   */
+
+  pop() {
+    this._markModified();
+    const ret = [].pop.call(this);
+    this._registerAtomic('$set', this);
+    return ret;
+  },
+
+  /**
+   * Pulls items from the array atomically. Equality is determined by casting
+   * the provided value to an embedded document and comparing using
+   * [the `Document.equals()` function.](/docs/api.html#document_Document-equals)
+   *
+   * #### Examples:
+   *
+   *     doc.array.pull(ObjectId)
+   *     doc.array.pull({ _id: 'someId' })
+   *     doc.array.pull(36)
+   *     doc.array.pull('tag 1', 'tag 2')
+   *
+   * To remove a document from a subdocument array we may pass an object with a matching `_id`.
+   *
+   *     doc.subdocs.push({ _id: 4815162342 })
+   *     doc.subdocs.pull({ _id: 4815162342 }) // removed
+   *
+   * Or we may passing the _id directly and let mongoose take care of it.
+   *
+   *     doc.subdocs.push({ _id: 4815162342 })
+   *     doc.subdocs.pull(4815162342); // works
+   *
+   * The first pull call will result in a atomic operation on the database, if pull is called repeatedly without saving the document, a $set operation is used on the complete array instead, overwriting possible changes that happened on the database in the meantime.
+   *
+   * @param {...any} [args]
+   * @see mongodb https://www.mongodb.org/display/DOCS/Updating/#Updating-%24pull
+   * @api public
+   * @method pull
+   * @memberOf MongooseArray
+   */
+
+  pull() {
+    const values = [].map.call(arguments, this._cast, this);
+    const cur = this[arrayParentSymbol].get(this[arrayPathSymbol]);
+    let i = cur.length;
+    let mem;
+    this._markModified();
+
+    while (i--) {
+      mem = cur[i];
+      if (mem instanceof Document) {
+        const some = values.some(function(v) {
+          return mem.equals(v);
+        });
+        if (some) {
+          [].splice.call(cur, i, 1);
+        }
+      } else if (~cur.indexOf.call(values, mem)) {
+        [].splice.call(cur, i, 1);
+      }
+    }
+
+    if (values[0] instanceof ArraySubdocument) {
+      this._registerAtomic('$pullDocs', values.map(function(v) {
+        const _id = v.$__getValue('_id');
+        if (_id === undefined || v.$isDefault('_id')) {
+          return v;
+        }
+        return _id;
+      }));
+    } else {
+      this._registerAtomic('$pullAll', values);
+    }
+
+
+    // Might have modified child paths and then pulled, like
+    // `doc.children[1].name = 'test';` followed by
+    // `doc.children.remove(doc.children[0]);`. In this case we fall back
+    // to a `$set` on the whole array. See #3511
+    if (cleanModifiedSubpaths(this[arrayParentSymbol], this[arrayPathSymbol]) > 0) {
+      this._registerAtomic('$set', this);
+    }
+
+    return this;
+  },
+
+  /**
+   * Wraps [`Array#push`](https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/push) with proper change tracking.
+   *
+   * #### Example:
+   *
+   *     const schema = Schema({ nums: [Number] });
+   *     const Model = mongoose.model('Test', schema);
+   *
+   *     const doc = await Model.create({ nums: [3, 4] });
+   *     doc.nums.push(5); // Add 5 to the end of the array
+   *     await doc.save();
+   *
+   *     // You can also pass an object with `$each` as the
+   *     // first parameter to use MongoDB's `$position`
+   *     doc.nums.push({
+   *       $each: [1, 2],
+   *       $position: 0
+   *     });
+   *     doc.nums; // [1, 2, 3, 4, 5]
+   *
+   * @param {...Object} [args]
+   * @api public
+   * @method push
+   * @memberOf MongooseArray
+   */
+
+  push() {
+    let values = arguments;
+    let atomic = values;
+    const isOverwrite = values[0] != null &&
+      utils.hasUserDefinedProperty(values[0], '$each');
+    const arr = utils.isMongooseArray(this) ? this.__array : this;
+    if (isOverwrite) {
+      atomic = values[0];
+      values = values[0].$each;
+    }
+
+    if (this[arraySchemaSymbol] == null) {
+      return _basePush.apply(this, values);
+    }
+
+    _checkManualPopulation(this, values);
+
+    const parent = this[arrayParentSymbol];
+    values = [].map.call(values, this._mapCast, this);
+    values = this[arraySchemaSymbol].applySetters(values, parent, undefined,
+      undefined, { skipDocumentArrayCast: true });
+    let ret;
+    const atomics = this[arrayAtomicsSymbol];
+    this._markModified();
+    if (isOverwrite) {
+      atomic.$each = values;
+
+      if ((atomics.$push && atomics.$push.$each && atomics.$push.$each.length || 0) !== 0 &&
+          atomics.$push.$position != atomic.$position) {
+        throw new MongooseError('Cannot call `Array#push()` multiple times ' +
+          'with different `$position`');
+      }
+
+      if (atomic.$position != null) {
+        [].splice.apply(arr, [atomic.$position, 0].concat(values));
+        ret = this.length;
+      } else {
+        ret = [].push.apply(arr, values);
+      }
+    } else {
+      if ((atomics.$push && atomics.$push.$each && atomics.$push.$each.length || 0) !== 0 &&
+          atomics.$push.$position != null) {
+        throw new MongooseError('Cannot call `Array#push()` multiple times ' +
+          'with different `$position`');
+      }
+      atomic = values;
+      ret = [].push.apply(arr, values);
+    }
+
+    this._registerAtomic('$push', atomic);
+    return ret;
+  },
+
+  /**
+   * Alias of [pull](#mongoosearray_MongooseArray-pull)
+   *
+   * @see MongooseArray#pull #types_array_MongooseArray-pull
+   * @see mongodb https://www.mongodb.org/display/DOCS/Updating/#Updating-%24pull
+   * @api public
+   * @memberOf MongooseArray
+   * @instance
+   * @method remove
+   */
+
+  remove() {
+    return this.pull.apply(this, arguments);
+  },
+
+  /**
+   * Sets the casted `val` at index `i` and marks the array modified.
+   *
+   * #### Example:
+   *
+   *     // given documents based on the following
+   *     const Doc = mongoose.model('Doc', new Schema({ array: [Number] }));
+   *
+   *     const doc = new Doc({ array: [2,3,4] })
+   *
+   *     console.log(doc.array) // [2,3,4]
+   *
+   *     doc.array.set(1,"5");
+   *     console.log(doc.array); // [2,5,4] // properly cast to number
+   *     doc.save() // the change is saved
+   *
+   *     // VS not using array#set
+   *     doc.array[1] = "5";
+   *     console.log(doc.array); // [2,"5",4] // no casting
+   *     doc.save() // change is not saved
+   *
+   * @return {Array} this
+   * @api public
+   * @method set
+   * @memberOf MongooseArray
+   */
+
+  set(i, val, skipModified) {
+    const arr = this.__array;
+    if (skipModified) {
+      arr[i] = val;
+      return this;
+    }
+    const value = methods._cast.call(this, val, i);
+    methods._markModified.call(this, i);
+    arr[i] = value;
+    return this;
+  },
+
+  /**
+   * Wraps [`Array#shift`](https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/unshift) with proper change tracking.
+   *
+   * #### Example:
+   *
+   *     doc.array = [2,3];
+   *     const res = doc.array.shift();
+   *     console.log(res) // 2
+   *     console.log(doc.array) // [3]
+   *
+   * #### Note:
+   *
+   * _marks the entire array as modified, which if saved, will store it as a `$set` operation, potentially overwritting any changes that happen between when you retrieved the object and when you save it._
+   *
+   * @api public
+   * @method shift
+   * @memberOf MongooseArray
+   */
+
+  shift() {
+    const arr = utils.isMongooseArray(this) ? this.__array : this;
+    this._markModified();
+    const ret = [].shift.call(arr);
+    this._registerAtomic('$set', this);
+    return ret;
+  },
+
+  /**
+   * Wraps [`Array#sort`](https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/sort) with proper change tracking.
+   *
+   * #### Note:
+   *
+   * _marks the entire array as modified, which if saved, will store it as a `$set` operation, potentially overwritting any changes that happen between when you retrieved the object and when you save it._
+   *
+   * @api public
+   * @method sort
+   * @memberOf MongooseArray
+   * @see https://masteringjs.io/tutorials/fundamentals/array-sort
+   */
+
+  sort() {
+    const arr = utils.isMongooseArray(this) ? this.__array : this;
+    const ret = [].sort.apply(arr, arguments);
+    this._registerAtomic('$set', this);
+    return ret;
+  },
+
+  /**
+   * Wraps [`Array#splice`](https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/splice) with proper change tracking and casting.
+   *
+   * #### Note:
+   *
+   * _marks the entire array as modified, which if saved, will store it as a `$set` operation, potentially overwritting any changes that happen between when you retrieved the object and when you save it._
+   *
+   * @api public
+   * @method splice
+   * @memberOf MongooseArray
+   * @see https://masteringjs.io/tutorials/fundamentals/array-splice
+   */
+
+  splice() {
+    let ret;
+    const arr = utils.isMongooseArray(this) ? this.__array : this;
+
+    this._markModified();
+    _checkManualPopulation(this, Array.prototype.slice.call(arguments, 2));
+
+    if (arguments.length) {
+      let vals;
+      if (this[arraySchemaSymbol] == null) {
+        vals = arguments;
+      } else {
+        vals = [];
+        for (let i = 0; i < arguments.length; ++i) {
+          vals[i] = i < 2 ?
+            arguments[i] :
+            this._cast(arguments[i], arguments[0] + (i - 2));
+        }
+      }
+
+      ret = [].splice.apply(arr, vals);
+      this._registerAtomic('$set', this);
+    }
+
+    return ret;
+  },
+
+  /*!
+   * ignore
+   */
+
+  toBSON() {
+    return this.toObject(internalToObjectOptions);
+  },
+
+  /**
+   * Returns a native js Array.
+   *
+   * @param {Object} options
+   * @return {Array}
+   * @api public
+   * @method toObject
+   * @memberOf MongooseArray
+   */
+
+  toObject(options) {
+    const arr = utils.isMongooseArray(this) ? this.__array : this;
+    if (options && options.depopulate) {
+      options = utils.clone(options);
+      options._isNested = true;
+      // Ensure return value is a vanilla array, because in Node.js 6+ `map()`
+      // is smart enough to use the inherited array's constructor.
+      return [].concat(arr).map(function(doc) {
+        return doc instanceof Document
+          ? doc.toObject(options)
+          : doc;
+      });
+    }
+
+    return [].concat(arr);
+  },
+
+  $toObject() {
+    return this.constructor.prototype.toObject.apply(this, arguments);
+  },
+  /**
+   * Wraps [`Array#unshift`](https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/unshift) with proper change tracking.
+   *
+   * #### Note:
+   *
+   * _marks the entire array as modified, which if saved, will store it as a `$set` operation, potentially overwriting any changes that happen between when you retrieved the object and when you save it._
+   *
+   * @api public
+   * @method unshift
+   * @memberOf MongooseArray
+   */
+
+  unshift() {
+    _checkManualPopulation(this, arguments);
+
+    let values;
+    if (this[arraySchemaSymbol] == null) {
+      values = arguments;
+    } else {
+      values = [].map.call(arguments, this._cast, this);
+      values = this[arraySchemaSymbol].applySetters(values, this[arrayParentSymbol]);
+    }
+
+    const arr = utils.isMongooseArray(this) ? this.__array : this;
+    this._markModified();
+    [].unshift.apply(arr, values);
+    this._registerAtomic('$set', this);
+    return this.length;
+  }
+};
+
+/*!
+ * ignore
+ */
+
+function _isAllSubdocs(docs, ref) {
+  if (!ref) {
+    return false;
+  }
+
+  for (const arg of docs) {
+    if (arg == null) {
+      return false;
+    }
+    const model = arg.constructor;
+    if (!(arg instanceof Document) ||
+      (model.modelName !== ref && model.baseModelName !== ref)) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+/*!
+ * Minimize _just_ empty objects along the path chain specified
+ * by `parts`, ignoring all other paths. Useful in cases where
+ * you want to minimize after unsetting a path.
+ *
+ * #### Example:
+ *
+ *     const obj = { foo: { bar: { baz: {} } }, a: {} };
+ *     _minimizePath(obj, 'foo.bar.baz');
+ *     obj; // { a: {} }
+ */
+
+function _minimizePath(obj, parts, i) {
+  if (typeof parts === 'string') {
+    if (parts.indexOf('.') === -1) {
+      return;
+    }
+
+    parts = mpath.stringToParts(parts);
+  }
+  i = i || 0;
+  if (i >= parts.length) {
+    return;
+  }
+  if (obj == null || typeof obj !== 'object') {
+    return;
+  }
+
+  _minimizePath(obj[parts[0]], parts, i + 1);
+  if (obj[parts[0]] != null && typeof obj[parts[0]] === 'object' && Object.keys(obj[parts[0]]).length === 0) {
+    delete obj[parts[0]];
+  }
+}
+
+/*!
+ * ignore
+ */
+
+function _checkManualPopulation(arr, docs) {
+  const ref = arr == null ?
+    null :
+    arr[arraySchemaSymbol] && arr[arraySchemaSymbol].caster && arr[arraySchemaSymbol].caster.options && arr[arraySchemaSymbol].caster.options.ref || null;
+  if (arr.length === 0 &&
+      docs.length !== 0) {
+    if (_isAllSubdocs(docs, ref)) {
+      arr[arrayParentSymbol].$populated(arr[arrayPathSymbol], [], {
+        [populateModelSymbol]: docs[0].constructor
+      });
+    }
+  }
+}
+
+const returnVanillaArrayMethods = [
+  'filter',
+  'flat',
+  'flatMap',
+  'map',
+  'slice'
+];
+for (const method of returnVanillaArrayMethods) {
+  if (Array.prototype[method] == null) {
+    continue;
+  }
+
+  methods[method] = function() {
+    const _arr = utils.isMongooseArray(this) ? this.__array : this;
+    const arr = [].concat(_arr);
+
+    return arr[method].apply(arr, arguments);
+  };
+}
+
+module.exports = methods;
diff --git a/node_modules/mongoose/lib/types/buffer.js b/node_modules/mongoose/lib/types/buffer.js
new file mode 100644
index 000000000..0f35b7089
--- /dev/null
+++ b/node_modules/mongoose/lib/types/buffer.js
@@ -0,0 +1,277 @@
+/*!
+ * Module dependencies.
+ */
+
+'use strict';
+
+const Binary = require('../driver').get().Binary;
+const utils = require('../utils');
+
+/**
+ * Mongoose Buffer constructor.
+ *
+ * Values always have to be passed to the constructor to initialize.
+ *
+ * @param {Buffer} value
+ * @param {String} encode
+ * @param {Number} offset
+ * @api private
+ * @inherits Buffer
+ * @see https://bit.ly/f6CnZU
+ */
+
+function MongooseBuffer(value, encode, offset) {
+  let val = value;
+  if (value == null) {
+    val = 0;
+  }
+
+  let encoding;
+  let path;
+  let doc;
+
+  if (Array.isArray(encode)) {
+    // internal casting
+    path = encode[0];
+    doc = encode[1];
+  } else {
+    encoding = encode;
+  }
+
+  let buf;
+  if (typeof val === 'number' || val instanceof Number) {
+    buf = Buffer.alloc(val);
+  } else { // string, array or object { type: 'Buffer', data: [...] }
+    buf = Buffer.from(val, encoding, offset);
+  }
+  utils.decorate(buf, MongooseBuffer.mixin);
+  buf.isMongooseBuffer = true;
+
+  // make sure these internal props don't show up in Object.keys()
+  buf[MongooseBuffer.pathSymbol] = path;
+  buf[parentSymbol] = doc;
+
+  buf._subtype = 0;
+  return buf;
+}
+
+const pathSymbol = Symbol.for('mongoose#Buffer#_path');
+const parentSymbol = Symbol.for('mongoose#Buffer#_parent');
+MongooseBuffer.pathSymbol = pathSymbol;
+
+/*!
+ * Inherit from Buffer.
+ */
+
+MongooseBuffer.mixin = {
+
+  /**
+   * Default subtype for the Binary representing this Buffer
+   *
+   * @api private
+   * @property _subtype
+   * @memberOf MongooseBuffer.mixin
+   * @static
+   */
+
+  _subtype: undefined,
+
+  /**
+   * Marks this buffer as modified.
+   *
+   * @api private
+   * @method _markModified
+   * @memberOf MongooseBuffer.mixin
+   * @static
+   */
+
+  _markModified: function() {
+    const parent = this[parentSymbol];
+
+    if (parent) {
+      parent.markModified(this[MongooseBuffer.pathSymbol]);
+    }
+    return this;
+  },
+
+  /**
+   * Writes the buffer.
+   *
+   * @api public
+   * @method write
+   * @memberOf MongooseBuffer.mixin
+   * @static
+   */
+
+  write: function() {
+    const written = Buffer.prototype.write.apply(this, arguments);
+
+    if (written > 0) {
+      this._markModified();
+    }
+
+    return written;
+  },
+
+  /**
+   * Copies the buffer.
+   *
+   * #### Note:
+   *
+   * `Buffer#copy` does not mark `target` as modified so you must copy from a `MongooseBuffer` for it to work as expected. This is a work around since `copy` modifies the target, not this.
+   *
+   * @return {Number} The number of bytes copied.
+   * @param {Buffer} target
+   * @method copy
+   * @memberOf MongooseBuffer.mixin
+   * @static
+   */
+
+  copy: function(target) {
+    const ret = Buffer.prototype.copy.apply(this, arguments);
+
+    if (target && target.isMongooseBuffer) {
+      target._markModified();
+    }
+
+    return ret;
+  }
+};
+
+/*!
+ * Compile other Buffer methods marking this buffer as modified.
+ */
+
+utils.each(
+  [
+    // node < 0.5
+    'writeUInt8', 'writeUInt16', 'writeUInt32', 'writeInt8', 'writeInt16', 'writeInt32',
+    'writeFloat', 'writeDouble', 'fill',
+    'utf8Write', 'binaryWrite', 'asciiWrite', 'set',
+
+    // node >= 0.5
+    'writeUInt16LE', 'writeUInt16BE', 'writeUInt32LE', 'writeUInt32BE',
+    'writeInt16LE', 'writeInt16BE', 'writeInt32LE', 'writeInt32BE', 'writeFloatLE', 'writeFloatBE', 'writeDoubleLE', 'writeDoubleBE']
+  , function(method) {
+    if (!Buffer.prototype[method]) {
+      return;
+    }
+    MongooseBuffer.mixin[method] = function() {
+      const ret = Buffer.prototype[method].apply(this, arguments);
+      this._markModified();
+      return ret;
+    };
+  });
+
+/**
+ * Converts this buffer to its Binary type representation.
+ *
+ * #### SubTypes:
+ *
+ *     const bson = require('bson')
+ *     bson.BSON_BINARY_SUBTYPE_DEFAULT
+ *     bson.BSON_BINARY_SUBTYPE_FUNCTION
+ *     bson.BSON_BINARY_SUBTYPE_BYTE_ARRAY
+ *     bson.BSON_BINARY_SUBTYPE_UUID
+ *     bson.BSON_BINARY_SUBTYPE_MD5
+ *     bson.BSON_BINARY_SUBTYPE_USER_DEFINED
+ *     doc.buffer.toObject(bson.BSON_BINARY_SUBTYPE_USER_DEFINED);
+ *
+ * @see bsonspec https://bsonspec.org/#/specification
+ * @param {Hex} [subtype]
+ * @return {Binary}
+ * @api public
+ * @method toObject
+ * @memberOf MongooseBuffer
+ */
+
+MongooseBuffer.mixin.toObject = function(options) {
+  const subtype = typeof options === 'number'
+    ? options
+    : (this._subtype || 0);
+  return new Binary(Buffer.from(this), subtype);
+};
+
+MongooseBuffer.mixin.$toObject = MongooseBuffer.mixin.toObject;
+
+/**
+ * Converts this buffer for storage in MongoDB, including subtype
+ *
+ * @return {Binary}
+ * @api public
+ * @method toBSON
+ * @memberOf MongooseBuffer
+ */
+
+MongooseBuffer.mixin.toBSON = function() {
+  return new Binary(this, this._subtype || 0);
+};
+
+/**
+ * Determines if this buffer is equals to `other` buffer
+ *
+ * @param {Buffer} other
+ * @return {Boolean}
+ * @method equals
+ * @memberOf MongooseBuffer
+ */
+
+MongooseBuffer.mixin.equals = function(other) {
+  if (!Buffer.isBuffer(other)) {
+    return false;
+  }
+
+  if (this.length !== other.length) {
+    return false;
+  }
+
+  for (let i = 0; i < this.length; ++i) {
+    if (this[i] !== other[i]) {
+      return false;
+    }
+  }
+
+  return true;
+};
+
+/**
+ * Sets the subtype option and marks the buffer modified.
+ *
+ * #### SubTypes:
+ *
+ *     const bson = require('bson')
+ *     bson.BSON_BINARY_SUBTYPE_DEFAULT
+ *     bson.BSON_BINARY_SUBTYPE_FUNCTION
+ *     bson.BSON_BINARY_SUBTYPE_BYTE_ARRAY
+ *     bson.BSON_BINARY_SUBTYPE_UUID
+ *     bson.BSON_BINARY_SUBTYPE_MD5
+ *     bson.BSON_BINARY_SUBTYPE_USER_DEFINED
+ *
+ *     doc.buffer.subtype(bson.BSON_BINARY_SUBTYPE_UUID);
+ *
+ * @see bsonspec https://bsonspec.org/#/specification
+ * @param {Hex} subtype
+ * @api public
+ * @method subtype
+ * @memberOf MongooseBuffer
+ */
+
+MongooseBuffer.mixin.subtype = function(subtype) {
+  if (typeof subtype !== 'number') {
+    throw new TypeError('Invalid subtype. Expected a number');
+  }
+
+  if (this._subtype !== subtype) {
+    this._markModified();
+  }
+
+  this._subtype = subtype;
+};
+
+/*!
+ * Module exports.
+ */
+
+MongooseBuffer.Binary = Binary;
+
+module.exports = MongooseBuffer;
diff --git a/node_modules/mongoose/lib/types/decimal128.js b/node_modules/mongoose/lib/types/decimal128.js
new file mode 100644
index 000000000..15173385b
--- /dev/null
+++ b/node_modules/mongoose/lib/types/decimal128.js
@@ -0,0 +1,13 @@
+/**
+ * Decimal128 type constructor
+ *
+ * #### Example:
+ *
+ *     const id = new mongoose.Types.Decimal128('3.1415');
+ *
+ * @constructor Decimal128
+ */
+
+'use strict';
+
+module.exports = require('../driver').get().Decimal128;
diff --git a/node_modules/mongoose/lib/types/index.js b/node_modules/mongoose/lib/types/index.js
new file mode 100644
index 000000000..fbfb89a55
--- /dev/null
+++ b/node_modules/mongoose/lib/types/index.js
@@ -0,0 +1,20 @@
+
+/*!
+ * Module exports.
+ */
+
+'use strict';
+
+exports.Array = require('./array');
+exports.Buffer = require('./buffer');
+
+exports.Document = // @deprecate
+exports.Embedded = require('./ArraySubdocument');
+
+exports.DocumentArray = require('./DocumentArray');
+exports.Decimal128 = require('./decimal128');
+exports.ObjectId = require('./objectid');
+
+exports.Map = require('./map');
+
+exports.Subdocument = require('./subdocument');
diff --git a/node_modules/mongoose/lib/types/map.js b/node_modules/mongoose/lib/types/map.js
new file mode 100644
index 000000000..3c68026fa
--- /dev/null
+++ b/node_modules/mongoose/lib/types/map.js
@@ -0,0 +1,321 @@
+'use strict';
+
+const Mixed = require('../schema/mixed');
+const clone = require('../helpers/clone');
+const deepEqual = require('../utils').deepEqual;
+const getConstructorName = require('../helpers/getConstructorName');
+const handleSpreadDoc = require('../helpers/document/handleSpreadDoc');
+const util = require('util');
+const specialProperties = require('../helpers/specialProperties');
+const isBsonType = require('../helpers/isBsonType');
+
+const populateModelSymbol = require('../helpers/symbols').populateModelSymbol;
+
+/*!
+ * ignore
+ */
+
+class MongooseMap extends Map {
+  constructor(v, path, doc, schemaType) {
+    if (getConstructorName(v) === 'Object') {
+      v = Object.keys(v).reduce((arr, key) => arr.concat([[key, v[key]]]), []);
+    }
+    super(v);
+    this.$__parent = doc != null && doc.$__ != null ? doc : null;
+    this.$__path = path;
+    this.$__schemaType = schemaType == null ? new Mixed(path) : schemaType;
+
+    this.$__runDeferred();
+  }
+
+  $init(key, value) {
+    checkValidKey(key);
+
+    super.set(key, value);
+
+    if (value != null && value.$isSingleNested) {
+      value.$basePath = this.$__path + '.' + key;
+    }
+  }
+
+  $__set(key, value) {
+    super.set(key, value);
+  }
+
+  /**
+   * Overwrites native Map's `get()` function to support Mongoose getters.
+   *
+   * @api public
+   * @method get
+   * @memberOf Map
+   */
+
+  get(key, options) {
+    if (isBsonType(key, 'ObjectID')) {
+      key = key.toString();
+    }
+
+    options = options || {};
+    if (options.getters === false) {
+      return super.get(key);
+    }
+    return this.$__schemaType.applyGetters(super.get(key), this.$__parent);
+  }
+
+  /**
+   * Overwrites native Map's `set()` function to support setters, `populate()`,
+   * and change tracking. Note that Mongoose maps _only_ support strings and
+   * ObjectIds as keys.
+   *
+   * #### Example:
+   *
+   *     doc.myMap.set('test', 42); // works
+   *     doc.myMap.set({ obj: 42 }, 42); // Throws "Mongoose maps only support string keys"
+   *
+   * @api public
+   * @method set
+   * @memberOf Map
+   */
+
+  set(key, value) {
+    if (isBsonType(key, 'ObjectID')) {
+      key = key.toString();
+    }
+
+    checkValidKey(key);
+    value = handleSpreadDoc(value);
+
+    // Weird, but because you can't assign to `this` before calling `super()`
+    // you can't get access to `$__schemaType` to cast in the initial call to
+    // `set()` from the `super()` constructor.
+
+    if (this.$__schemaType == null) {
+      this.$__deferred = this.$__deferred || [];
+      this.$__deferred.push({ key: key, value: value });
+      return;
+    }
+
+    const fullPath = this.$__path + '.' + key;
+    const populated = this.$__parent != null && this.$__parent.$__ ?
+      this.$__parent.$populated(fullPath) || this.$__parent.$populated(this.$__path) :
+      null;
+    const priorVal = this.get(key);
+
+    if (populated != null) {
+      if (value.$__ == null) {
+        value = new populated.options[populateModelSymbol](value);
+      }
+      value.$__.wasPopulated = { value: populated.value };
+    } else {
+      try {
+        value = this.$__schemaType.
+          applySetters(value, this.$__parent, false, this.get(key), { path: fullPath });
+      } catch (error) {
+        if (this.$__parent != null && this.$__parent.$__ != null) {
+          this.$__parent.invalidate(fullPath, error);
+          return;
+        }
+        throw error;
+      }
+    }
+
+    super.set(key, value);
+
+    if (value != null && value.$isSingleNested) {
+      value.$basePath = this.$__path + '.' + key;
+    }
+
+    const parent = this.$__parent;
+    if (parent != null && parent.$__ != null && !deepEqual(value, priorVal)) {
+      parent.markModified(this.$__path + '.' + key);
+    }
+  }
+
+  /**
+   * Overwrites native Map's `clear()` function to support change tracking.
+   *
+   * @api public
+   * @method clear
+   * @memberOf Map
+   */
+
+  clear() {
+    super.clear();
+    const parent = this.$__parent;
+    if (parent != null) {
+      parent.markModified(this.$__path);
+    }
+  }
+
+  /**
+   * Overwrites native Map's `delete()` function to support change tracking.
+   *
+   * @api public
+   * @method delete
+   * @memberOf Map
+   */
+
+  delete(key) {
+    if (isBsonType(key, 'ObjectID')) {
+      key = key.toString();
+    }
+
+    this.set(key, undefined);
+    super.delete(key);
+  }
+
+  /**
+   * Converts this map to a native JavaScript Map so the MongoDB driver can serialize it.
+   *
+   * @api public
+   * @method toBSON
+   * @memberOf Map
+   */
+
+  toBSON() {
+    return new Map(this);
+  }
+
+  toObject(options) {
+    if (options && options.flattenMaps) {
+      const ret = {};
+      const keys = this.keys();
+      for (const key of keys) {
+        ret[key] = clone(this.get(key), options);
+      }
+      return ret;
+    }
+
+    return new Map(this);
+  }
+
+  $toObject() {
+    return this.constructor.prototype.toObject.apply(this, arguments);
+  }
+
+  /**
+   * Converts this map to a native JavaScript Map for `JSON.stringify()`. Set
+   * the `flattenMaps` option to convert this map to a POJO instead.
+   *
+   * #### Example:
+   *
+   *     doc.myMap.toJSON() instanceof Map; // true
+   *     doc.myMap.toJSON({ flattenMaps: true }) instanceof Map; // false
+   *
+   * @api public
+   * @method toJSON
+   * @param {Object} [options]
+   * @param {Boolean} [options.flattenMaps=false] set to `true` to convert the map to a POJO rather than a native JavaScript map
+   * @memberOf Map
+   */
+
+  toJSON(options) {
+    if (typeof (options && options.flattenMaps) === 'boolean' ? options.flattenMaps : true) {
+      const ret = {};
+      const keys = this.keys();
+      for (const key of keys) {
+        ret[key] = clone(this.get(key), options);
+      }
+      return ret;
+    }
+
+    return new Map(this);
+  }
+
+  inspect() {
+    return new Map(this);
+  }
+
+  $__runDeferred() {
+    if (!this.$__deferred) {
+      return;
+    }
+
+    for (const keyValueObject of this.$__deferred) {
+      this.set(keyValueObject.key, keyValueObject.value);
+    }
+
+    this.$__deferred = null;
+  }
+}
+
+if (util.inspect.custom) {
+  Object.defineProperty(MongooseMap.prototype, util.inspect.custom, {
+    enumerable: false,
+    writable: false,
+    configurable: false,
+    value: MongooseMap.prototype.inspect
+  });
+}
+
+Object.defineProperty(MongooseMap.prototype, '$__set', {
+  enumerable: false,
+  writable: true,
+  configurable: false
+});
+
+Object.defineProperty(MongooseMap.prototype, '$__parent', {
+  enumerable: false,
+  writable: true,
+  configurable: false
+});
+
+Object.defineProperty(MongooseMap.prototype, '$__path', {
+  enumerable: false,
+  writable: true,
+  configurable: false
+});
+
+Object.defineProperty(MongooseMap.prototype, '$__schemaType', {
+  enumerable: false,
+  writable: true,
+  configurable: false
+});
+
+/**
+ * Set to `true` for all Mongoose map instances
+ *
+ * @api public
+ * @property $isMongooseMap
+ * @memberOf MongooseMap
+ * @instance
+ */
+
+Object.defineProperty(MongooseMap.prototype, '$isMongooseMap', {
+  enumerable: false,
+  writable: false,
+  configurable: false,
+  value: true
+});
+
+Object.defineProperty(MongooseMap.prototype, '$__deferredCalls', {
+  enumerable: false,
+  writable: false,
+  configurable: false,
+  value: true
+});
+
+/**
+ * Since maps are stored as objects under the hood, keys must be strings
+ * and can't contain any invalid characters
+ * @param {String} key
+ * @api private
+ */
+
+function checkValidKey(key) {
+  const keyType = typeof key;
+  if (keyType !== 'string') {
+    throw new TypeError(`Mongoose maps only support string keys, got ${keyType}`);
+  }
+  if (key.startsWith('$')) {
+    throw new Error(`Mongoose maps do not support keys that start with "$", got "${key}"`);
+  }
+  if (key.includes('.')) {
+    throw new Error(`Mongoose maps do not support keys that contain ".", got "${key}"`);
+  }
+  if (specialProperties.has(key)) {
+    throw new Error(`Mongoose maps do not support reserved key name "${key}"`);
+  }
+}
+
+module.exports = MongooseMap;
diff --git a/node_modules/mongoose/lib/types/objectid.js b/node_modules/mongoose/lib/types/objectid.js
new file mode 100644
index 000000000..63c3bd05c
--- /dev/null
+++ b/node_modules/mongoose/lib/types/objectid.js
@@ -0,0 +1,41 @@
+/**
+ * ObjectId type constructor
+ *
+ * #### Example:
+ *
+ *     const id = new mongoose.Types.ObjectId;
+ *
+ * @constructor ObjectId
+ */
+
+'use strict';
+
+const ObjectId = require('../driver').get().ObjectId;
+const objectIdSymbol = require('../helpers/symbols').objectIdSymbol;
+
+/**
+ * Getter for convenience with populate, see gh-6115
+ * @api private
+ */
+
+Object.defineProperty(ObjectId.prototype, '_id', {
+  enumerable: false,
+  configurable: true,
+  get: function() {
+    return this;
+  }
+});
+
+/*!
+ * Convenience `valueOf()` to allow comparing ObjectIds using double equals re: gh-7299
+ */
+
+if (!ObjectId.prototype.hasOwnProperty('valueOf')) {
+  ObjectId.prototype.valueOf = function objectIdValueOf() {
+    return this.toString();
+  };
+}
+
+ObjectId.prototype[objectIdSymbol] = true;
+
+module.exports = ObjectId;
diff --git a/node_modules/mongoose/lib/types/subdocument.js b/node_modules/mongoose/lib/types/subdocument.js
new file mode 100644
index 000000000..d282f8924
--- /dev/null
+++ b/node_modules/mongoose/lib/types/subdocument.js
@@ -0,0 +1,432 @@
+'use strict';
+
+const Document = require('../document');
+const immediate = require('../helpers/immediate');
+const internalToObjectOptions = require('../options').internalToObjectOptions;
+const promiseOrCallback = require('../helpers/promiseOrCallback');
+const util = require('util');
+const utils = require('../utils');
+
+module.exports = Subdocument;
+
+/**
+ * Subdocument constructor.
+ *
+ * @inherits Document
+ * @api private
+ */
+
+function Subdocument(value, fields, parent, skipId, options) {
+  if (parent != null) {
+    // If setting a nested path, should copy isNew from parent re: gh-7048
+    const parentOptions = { isNew: parent.isNew };
+    if ('defaults' in parent.$__) {
+      parentOptions.defaults = parent.$__.defaults;
+    }
+    options = Object.assign(parentOptions, options);
+  }
+  if (options != null && options.path != null) {
+    this.$basePath = options.path;
+  }
+  Document.call(this, value, fields, skipId, options);
+
+  delete this.$__.priorDoc;
+}
+
+Subdocument.prototype = Object.create(Document.prototype);
+
+Object.defineProperty(Subdocument.prototype, '$isSubdocument', {
+  configurable: false,
+  writable: false,
+  value: true
+});
+
+Object.defineProperty(Subdocument.prototype, '$isSingleNested', {
+  configurable: false,
+  writable: false,
+  value: true
+});
+
+/*!
+ * ignore
+ */
+
+Subdocument.prototype.toBSON = function() {
+  return this.toObject(internalToObjectOptions);
+};
+
+/**
+ * Used as a stub for middleware
+ *
+ * #### Note:
+ *
+ * _This is a no-op. Does not actually save the doc to the db._
+ *
+ * @param {Function} [fn]
+ * @return {Promise} resolved Promise
+ * @api private
+ */
+
+Subdocument.prototype.save = function(options, fn) {
+  if (typeof options === 'function') {
+    fn = options;
+    options = {};
+  }
+  options = options || {};
+
+  if (!options.suppressWarning) {
+    utils.warn('mongoose: calling `save()` on a subdoc does **not** save ' +
+      'the document to MongoDB, it only runs save middleware. ' +
+      'Use `subdoc.save({ suppressWarning: true })` to hide this warning ' +
+      'if you\'re sure this behavior is right for your app.');
+  }
+
+  return promiseOrCallback(fn, cb => {
+    this.$__save(cb);
+  });
+};
+
+/**
+ * Given a path relative to this document, return the path relative
+ * to the top-level document.
+ * @param {String} path
+ * @method $__fullPath
+ * @memberOf Subdocument
+ * @instance
+ * @returns {String}
+ * @api private
+ */
+
+Subdocument.prototype.$__fullPath = function(path) {
+  if (!this.$__.fullPath) {
+    this.ownerDocument();
+  }
+
+  return path ?
+    this.$__.fullPath + '.' + path :
+    this.$__.fullPath;
+};
+
+/**
+ * Given a path relative to this document, return the path relative
+ * to the top-level document.
+ * @param {String} p
+ * @returns {String}
+ * @method $__pathRelativeToParent
+ * @memberOf Subdocument
+ * @instance
+ * @api private
+ */
+
+Subdocument.prototype.$__pathRelativeToParent = function(p) {
+  if (p == null) {
+    return this.$basePath;
+  }
+  return [this.$basePath, p].join('.');
+};
+
+/**
+ * Used as a stub for middleware
+ *
+ * #### Note:
+ *
+ * _This is a no-op. Does not actually save the doc to the db._
+ *
+ * @param {Function} [fn]
+ * @method $__save
+ * @api private
+ */
+
+Subdocument.prototype.$__save = function(fn) {
+  return immediate(() => fn(null, this));
+};
+
+/*!
+ * ignore
+ */
+
+Subdocument.prototype.$isValid = function(path) {
+  const parent = this.$parent();
+  const fullPath = this.$__pathRelativeToParent(path);
+  if (parent != null && fullPath != null) {
+    return parent.$isValid(fullPath);
+  }
+  return Document.prototype.$isValid.call(this, path);
+};
+
+/*!
+ * ignore
+ */
+
+Subdocument.prototype.markModified = function(path) {
+  Document.prototype.markModified.call(this, path);
+  const parent = this.$parent();
+  const fullPath = this.$__pathRelativeToParent(path);
+
+  if (parent == null || fullPath == null) {
+    return;
+  }
+
+  const myPath = this.$__pathRelativeToParent().replace(/\.$/, '');
+  if (parent.isDirectModified(myPath) || this.isNew) {
+    return;
+  }
+  this.$__parent.markModified(fullPath, this);
+};
+
+/*!
+ * ignore
+ */
+
+Subdocument.prototype.isModified = function(paths, modifiedPaths) {
+  const parent = this.$parent();
+  if (parent != null) {
+    if (Array.isArray(paths) || typeof paths === 'string') {
+      paths = (Array.isArray(paths) ? paths : paths.split(' '));
+      paths = paths.map(p => this.$__pathRelativeToParent(p)).filter(p => p != null);
+    } else if (!paths) {
+      paths = this.$__pathRelativeToParent();
+    }
+
+    return parent.$isModified(paths, modifiedPaths);
+  }
+
+  return Document.prototype.isModified.call(this, paths, modifiedPaths);
+};
+
+/**
+ * Marks a path as valid, removing existing validation errors.
+ *
+ * @param {String} path the field to mark as valid
+ * @api private
+ * @method $markValid
+ * @memberOf Subdocument
+ */
+
+Subdocument.prototype.$markValid = function(path) {
+  Document.prototype.$markValid.call(this, path);
+  const parent = this.$parent();
+  const fullPath = this.$__pathRelativeToParent(path);
+  if (parent != null && fullPath != null) {
+    parent.$markValid(fullPath);
+  }
+};
+
+/*!
+ * ignore
+ */
+
+Subdocument.prototype.invalidate = function(path, err, val) {
+  Document.prototype.invalidate.call(this, path, err, val);
+
+  const parent = this.$parent();
+  const fullPath = this.$__pathRelativeToParent(path);
+  if (parent != null && fullPath != null) {
+    parent.invalidate(fullPath, err, val);
+  } else if (err.kind === 'cast' || err.name === 'CastError' || fullPath == null) {
+    throw err;
+  }
+
+  return this.ownerDocument().$__.validationError;
+};
+
+/*!
+ * ignore
+ */
+
+Subdocument.prototype.$ignore = function(path) {
+  Document.prototype.$ignore.call(this, path);
+  const parent = this.$parent();
+  const fullPath = this.$__pathRelativeToParent(path);
+  if (parent != null && fullPath != null) {
+    parent.$ignore(fullPath);
+  }
+};
+
+/**
+ * Returns the top level document of this sub-document.
+ *
+ * @return {Document}
+ */
+
+Subdocument.prototype.ownerDocument = function() {
+  if (this.$__.ownerDocument) {
+    return this.$__.ownerDocument;
+  }
+
+  let parent = this; // eslint-disable-line consistent-this
+  const paths = [];
+  const seenDocs = new Set([parent]);
+
+  while (true) {
+    if (typeof parent.$__pathRelativeToParent !== 'function') {
+      break;
+    }
+    paths.unshift(parent.$__pathRelativeToParent(void 0, true));
+    const _parent = parent.$parent();
+    if (_parent == null) {
+      break;
+    }
+    parent = _parent;
+    if (seenDocs.has(parent)) {
+      throw new Error('Infinite subdocument loop: subdoc with _id ' + parent._id + ' is a parent of itself');
+    }
+
+    seenDocs.add(parent);
+  }
+
+  this.$__.fullPath = paths.join('.');
+
+  this.$__.ownerDocument = parent;
+  return this.$__.ownerDocument;
+};
+
+/*!
+ * ignore
+ */
+
+Subdocument.prototype.$__fullPathWithIndexes = function() {
+  let parent = this; // eslint-disable-line consistent-this
+  const paths = [];
+  const seenDocs = new Set([parent]);
+
+  while (true) {
+    if (typeof parent.$__pathRelativeToParent !== 'function') {
+      break;
+    }
+    paths.unshift(parent.$__pathRelativeToParent(void 0, false));
+    const _parent = parent.$parent();
+    if (_parent == null) {
+      break;
+    }
+    parent = _parent;
+    if (seenDocs.has(parent)) {
+      throw new Error('Infinite subdocument loop: subdoc with _id ' + parent._id + ' is a parent of itself');
+    }
+
+    seenDocs.add(parent);
+  }
+
+  return paths.join('.');
+};
+
+/**
+ * Returns this sub-documents parent document.
+ *
+ * @api public
+ */
+
+Subdocument.prototype.parent = function() {
+  return this.$__parent;
+};
+
+/**
+ * Returns this sub-documents parent document.
+ *
+ * @api public
+ * @method $parent
+ */
+
+Subdocument.prototype.$parent = Subdocument.prototype.parent;
+
+/**
+ * no-op for hooks
+ * @param {Function} cb
+ * @method $__remove
+ * @memberOf Subdocument
+ * @instance
+ * @api private
+ */
+
+Subdocument.prototype.$__remove = function(cb) {
+  if (cb == null) {
+    return;
+  }
+  return cb(null, this);
+};
+
+/**
+ * ignore
+ * @method $__removeFromParent
+ * @memberOf Subdocument
+ * @instance
+ * @api private
+ */
+
+Subdocument.prototype.$__removeFromParent = function() {
+  this.$__parent.set(this.$basePath, null);
+};
+
+/**
+ * Null-out this subdoc
+ *
+ * @param {Object} [options]
+ * @param {Function} [callback] optional callback for compatibility with Document.prototype.remove
+ */
+
+Subdocument.prototype.remove = function(options, callback) {
+  if (typeof options === 'function') {
+    callback = options;
+    options = null;
+  }
+  registerRemoveListener(this);
+
+  // If removing entire doc, no need to remove subdoc
+  if (!options || !options.noop) {
+    this.$__removeFromParent();
+  }
+
+  return this.$__remove(callback);
+};
+
+/*!
+ * ignore
+ */
+
+Subdocument.prototype.populate = function() {
+  throw new Error('Mongoose does not support calling populate() on nested ' +
+    'docs. Instead of `doc.nested.populate("path")`, use ' +
+    '`doc.populate("nested.path")`');
+};
+
+/**
+ * Helper for console.log
+ *
+ * @api public
+ */
+
+Subdocument.prototype.inspect = function() {
+  return this.toObject({
+    transform: false,
+    virtuals: false,
+    flattenDecimals: false
+  });
+};
+
+if (util.inspect.custom) {
+  // Avoid Node deprecation warning DEP0079
+  Subdocument.prototype[util.inspect.custom] = Subdocument.prototype.inspect;
+}
+
+/**
+ * Registers remove event listeners for triggering
+ * on subdocuments.
+ *
+ * @param {Subdocument} sub
+ * @api private
+ */
+
+function registerRemoveListener(sub) {
+  let owner = sub.ownerDocument();
+
+  function emitRemove() {
+    owner.$removeListener('save', emitRemove);
+    owner.$removeListener('remove', emitRemove);
+    sub.emit('remove', sub);
+    sub.constructor.emit('remove', sub);
+    owner = sub = null;
+  }
+
+  owner.$on('save', emitRemove);
+  owner.$on('remove', emitRemove);
+}
diff --git a/node_modules/mongoose/lib/utils.js b/node_modules/mongoose/lib/utils.js
new file mode 100644
index 000000000..2aa754620
--- /dev/null
+++ b/node_modules/mongoose/lib/utils.js
@@ -0,0 +1,1009 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const ms = require('ms');
+const mpath = require('mpath');
+const ObjectId = require('./types/objectid');
+const PopulateOptions = require('./options/PopulateOptions');
+const clone = require('./helpers/clone');
+const immediate = require('./helpers/immediate');
+const isObject = require('./helpers/isObject');
+const isMongooseArray = require('./types/array/isMongooseArray');
+const isMongooseDocumentArray = require('./types/DocumentArray/isMongooseDocumentArray');
+const isBsonType = require('./helpers/isBsonType');
+const getFunctionName = require('./helpers/getFunctionName');
+const isMongooseObject = require('./helpers/isMongooseObject');
+const promiseOrCallback = require('./helpers/promiseOrCallback');
+const schemaMerge = require('./helpers/schema/merge');
+const specialProperties = require('./helpers/specialProperties');
+const { trustedSymbol } = require('./helpers/query/trusted');
+
+let Document;
+
+exports.specialProperties = specialProperties;
+
+exports.isMongooseArray = isMongooseArray.isMongooseArray;
+exports.isMongooseDocumentArray = isMongooseDocumentArray.isMongooseDocumentArray;
+exports.registerMongooseArray = isMongooseArray.registerMongooseArray;
+exports.registerMongooseDocumentArray = isMongooseDocumentArray.registerMongooseDocumentArray;
+
+/**
+ * Produces a collection name from model `name`. By default, just returns
+ * the model name
+ *
+ * @param {String} name a model name
+ * @param {Function} pluralize function that pluralizes the collection name
+ * @return {String} a collection name
+ * @api private
+ */
+
+exports.toCollectionName = function(name, pluralize) {
+  if (name === 'system.profile') {
+    return name;
+  }
+  if (name === 'system.indexes') {
+    return name;
+  }
+  if (typeof pluralize === 'function') {
+    return pluralize(name);
+  }
+  return name;
+};
+
+/**
+ * Determines if `a` and `b` are deep equal.
+ *
+ * Modified from node/lib/assert.js
+ *
+ * @param {any} a a value to compare to `b`
+ * @param {any} b a value to compare to `a`
+ * @return {Boolean}
+ * @api private
+ */
+
+exports.deepEqual = function deepEqual(a, b) {
+  if (a === b) {
+    return true;
+  }
+
+  if (typeof a !== 'object' || typeof b !== 'object') {
+    return a === b;
+  }
+
+  if (a instanceof Date && b instanceof Date) {
+    return a.getTime() === b.getTime();
+  }
+
+  if ((isBsonType(a, 'ObjectID') && isBsonType(b, 'ObjectID')) ||
+      (isBsonType(a, 'Decimal128') && isBsonType(b, 'Decimal128'))) {
+    return a.toString() === b.toString();
+  }
+
+  if (a instanceof RegExp && b instanceof RegExp) {
+    return a.source === b.source &&
+        a.ignoreCase === b.ignoreCase &&
+        a.multiline === b.multiline &&
+        a.global === b.global &&
+        a.dotAll === b.dotAll &&
+        a.unicode === b.unicode &&
+        a.sticky === b.sticky &&
+        a.hasIndices === b.hasIndices;
+  }
+
+  if (a == null || b == null) {
+    return false;
+  }
+
+  if (a.prototype !== b.prototype) {
+    return false;
+  }
+
+  if (a instanceof Map || b instanceof Map) {
+    if (!(a instanceof Map) || !(b instanceof Map)) {
+      return false;
+    }
+    return deepEqual(Array.from(a.keys()), Array.from(b.keys())) &&
+      deepEqual(Array.from(a.values()), Array.from(b.values()));
+  }
+
+  // Handle MongooseNumbers
+  if (a instanceof Number && b instanceof Number) {
+    return a.valueOf() === b.valueOf();
+  }
+
+  if (Buffer.isBuffer(a)) {
+    return exports.buffer.areEqual(a, b);
+  }
+
+  if (Array.isArray(a) || Array.isArray(b)) {
+    if (!Array.isArray(a) || !Array.isArray(b)) {
+      return false;
+    }
+    const len = a.length;
+    if (len !== b.length) {
+      return false;
+    }
+    for (let i = 0; i < len; ++i) {
+      if (!deepEqual(a[i], b[i])) {
+        return false;
+      }
+    }
+    return true;
+  }
+
+  if (a.$__ != null) {
+    a = a._doc;
+  } else if (isMongooseObject(a)) {
+    a = a.toObject();
+  }
+
+  if (b.$__ != null) {
+    b = b._doc;
+  } else if (isMongooseObject(b)) {
+    b = b.toObject();
+  }
+
+  const ka = Object.keys(a);
+  const kb = Object.keys(b);
+  const kaLength = ka.length;
+
+  // having the same number of owned properties (keys incorporates
+  // hasOwnProperty)
+  if (kaLength !== kb.length) {
+    return false;
+  }
+
+  // ~~~cheap key test
+  for (let i = kaLength - 1; i >= 0; i--) {
+    if (ka[i] !== kb[i]) {
+      return false;
+    }
+  }
+
+  // equivalent values for every corresponding key, and
+  // ~~~possibly expensive deep test
+  for (const key of ka) {
+    if (!deepEqual(a[key], b[key])) {
+      return false;
+    }
+  }
+
+  return true;
+};
+
+/**
+ * Get the last element of an array
+ * @param {Array} arr
+ */
+
+exports.last = function(arr) {
+  if (arr.length > 0) {
+    return arr[arr.length - 1];
+  }
+  return void 0;
+};
+
+exports.clone = clone;
+
+/*!
+ * ignore
+ */
+
+exports.promiseOrCallback = promiseOrCallback;
+
+/*!
+ * ignore
+ */
+
+exports.cloneArrays = function cloneArrays(arr) {
+  if (!Array.isArray(arr)) {
+    return arr;
+  }
+
+  return arr.map(el => exports.cloneArrays(el));
+};
+
+/*!
+ * ignore
+ */
+
+exports.omit = function omit(obj, keys) {
+  if (keys == null) {
+    return Object.assign({}, obj);
+  }
+  if (!Array.isArray(keys)) {
+    keys = [keys];
+  }
+
+  const ret = Object.assign({}, obj);
+  for (const key of keys) {
+    delete ret[key];
+  }
+  return ret;
+};
+
+
+/**
+ * Shallow copies defaults into options.
+ *
+ * @param {Object} defaults
+ * @param {Object} [options]
+ * @return {Object} the merged object
+ * @api private
+ */
+
+exports.options = function(defaults, options) {
+  const keys = Object.keys(defaults);
+  let i = keys.length;
+  let k;
+
+  options = options || {};
+
+  while (i--) {
+    k = keys[i];
+    if (!(k in options)) {
+      options[k] = defaults[k];
+    }
+  }
+
+  return options;
+};
+
+/**
+ * Merges `from` into `to` without overwriting existing properties.
+ *
+ * @param {Object} to
+ * @param {Object} from
+ * @param {Object} [options]
+ * @param {String} [path]
+ * @api private
+ */
+
+exports.merge = function merge(to, from, options, path) {
+  options = options || {};
+
+  const keys = Object.keys(from);
+  let i = 0;
+  const len = keys.length;
+  let key;
+
+  if (from[trustedSymbol]) {
+    to[trustedSymbol] = from[trustedSymbol];
+  }
+
+  path = path || '';
+  const omitNested = options.omitNested || {};
+
+  while (i < len) {
+    key = keys[i++];
+    if (options.omit && options.omit[key]) {
+      continue;
+    }
+    if (omitNested[path]) {
+      continue;
+    }
+    if (specialProperties.has(key)) {
+      continue;
+    }
+    if (to[key] == null) {
+      to[key] = from[key];
+    } else if (exports.isObject(from[key])) {
+      if (!exports.isObject(to[key])) {
+        to[key] = {};
+      }
+      if (from[key] != null) {
+        // Skip merging schemas if we're creating a discriminator schema and
+        // base schema has a given path as a single nested but discriminator schema
+        // has the path as a document array, or vice versa (gh-9534)
+        if (options.isDiscriminatorSchemaMerge &&
+            (from[key].$isSingleNested && to[key].$isMongooseDocumentArray) ||
+            (from[key].$isMongooseDocumentArray && to[key].$isSingleNested)) {
+          continue;
+        } else if (from[key].instanceOfSchema) {
+          if (to[key].instanceOfSchema) {
+            schemaMerge(to[key], from[key].clone(), options.isDiscriminatorSchemaMerge);
+          } else {
+            to[key] = from[key].clone();
+          }
+          continue;
+        } else if (isBsonType(from[key], 'ObjectID')) {
+          to[key] = new ObjectId(from[key]);
+          continue;
+        }
+      }
+      merge(to[key], from[key], options, path ? path + '.' + key : key);
+    } else if (options.overwrite) {
+      to[key] = from[key];
+    }
+  }
+};
+
+/**
+ * Applies toObject recursively.
+ *
+ * @param {Document|Array|Object} obj
+ * @return {Object}
+ * @api private
+ */
+
+exports.toObject = function toObject(obj) {
+  Document || (Document = require('./document'));
+  let ret;
+
+  if (obj == null) {
+    return obj;
+  }
+
+  if (obj instanceof Document) {
+    return obj.toObject();
+  }
+
+  if (Array.isArray(obj)) {
+    ret = [];
+
+    for (const doc of obj) {
+      ret.push(toObject(doc));
+    }
+
+    return ret;
+  }
+
+  if (exports.isPOJO(obj)) {
+    ret = {};
+
+    if (obj[trustedSymbol]) {
+      ret[trustedSymbol] = obj[trustedSymbol];
+    }
+
+    for (const k of Object.keys(obj)) {
+      if (specialProperties.has(k)) {
+        continue;
+      }
+      ret[k] = toObject(obj[k]);
+    }
+
+    return ret;
+  }
+
+  return obj;
+};
+
+exports.isObject = isObject;
+
+/**
+ * Determines if `arg` is a plain old JavaScript object (POJO). Specifically,
+ * `arg` must be an object but not an instance of any special class, like String,
+ * ObjectId, etc.
+ *
+ * `Object.getPrototypeOf()` is part of ES5: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getPrototypeOf
+ *
+ * @param {Object|Array|String|Function|RegExp|any} arg
+ * @api private
+ * @return {Boolean}
+ */
+
+exports.isPOJO = function isPOJO(arg) {
+  if (arg == null || typeof arg !== 'object') {
+    return false;
+  }
+  const proto = Object.getPrototypeOf(arg);
+  // Prototype may be null if you used `Object.create(null)`
+  // Checking `proto`'s constructor is safe because `getPrototypeOf()`
+  // explicitly crosses the boundary from object data to object metadata
+  return !proto || proto.constructor.name === 'Object';
+};
+
+/**
+ * Determines if `arg` is an object that isn't an instance of a built-in value
+ * class, like Array, Buffer, ObjectId, etc.
+ * @param {Any} val
+ */
+
+exports.isNonBuiltinObject = function isNonBuiltinObject(val) {
+  return typeof val === 'object' &&
+    !exports.isNativeObject(val) &&
+    !exports.isMongooseType(val) &&
+    val != null;
+};
+
+/**
+ * Determines if `obj` is a built-in object like an array, date, boolean,
+ * etc.
+ * @param {Any} arg
+ */
+
+exports.isNativeObject = function(arg) {
+  return Array.isArray(arg) ||
+    arg instanceof Date ||
+    arg instanceof Boolean ||
+    arg instanceof Number ||
+    arg instanceof String;
+};
+
+/**
+ * Determines if `val` is an object that has no own keys
+ * @param {Any} val
+ */
+
+exports.isEmptyObject = function(val) {
+  return val != null &&
+    typeof val === 'object' &&
+    Object.keys(val).length === 0;
+};
+
+/**
+ * Search if `obj` or any POJOs nested underneath `obj` has a property named
+ * `key`
+ * @param {Object} obj
+ * @param {String} key
+ */
+
+exports.hasKey = function hasKey(obj, key) {
+  const props = Object.keys(obj);
+  for (const prop of props) {
+    if (prop === key) {
+      return true;
+    }
+    if (exports.isPOJO(obj[prop]) && exports.hasKey(obj[prop], key)) {
+      return true;
+    }
+  }
+  return false;
+};
+
+/**
+ * process.nextTick helper.
+ *
+ * Wraps `callback` in a try/catch + nextTick.
+ *
+ * node-mongodb-native has a habit of state corruption when an error is immediately thrown from within a collection callback.
+ *
+ * @param {Function} callback
+ * @api private
+ */
+
+exports.tick = function tick(callback) {
+  if (typeof callback !== 'function') {
+    return;
+  }
+  return function() {
+    try {
+      callback.apply(this, arguments);
+    } catch (err) {
+      // only nextTick on err to get out of
+      // the event loop and avoid state corruption.
+      immediate(function() {
+        throw err;
+      });
+    }
+  };
+};
+
+/**
+ * Returns true if `v` is an object that can be serialized as a primitive in
+ * MongoDB
+ * @param {Any} v
+ */
+
+exports.isMongooseType = function(v) {
+  return isBsonType(v, 'ObjectID') || isBsonType(v, 'Decimal128') || v instanceof Buffer;
+};
+
+exports.isMongooseObject = isMongooseObject;
+
+/**
+ * Converts `expires` options of index objects to `expiresAfterSeconds` options for MongoDB.
+ *
+ * @param {Object} object
+ * @api private
+ */
+
+exports.expires = function expires(object) {
+  if (!(object && object.constructor.name === 'Object')) {
+    return;
+  }
+  if (!('expires' in object)) {
+    return;
+  }
+
+  object.expireAfterSeconds = (typeof object.expires !== 'string')
+    ? object.expires
+    : Math.round(ms(object.expires) / 1000);
+  delete object.expires;
+};
+
+/**
+ * populate helper
+ * @param {String} path
+ * @param {String} select
+ * @param {Model} model
+ * @param {Object} match
+ * @param {Object} options
+ * @param {Any} subPopulate
+ * @param {Boolean} justOne
+ * @param {Boolean} count
+ */
+
+exports.populate = function populate(path, select, model, match, options, subPopulate, justOne, count) {
+  // might have passed an object specifying all arguments
+  let obj = null;
+  if (arguments.length === 1) {
+    if (path instanceof PopulateOptions) {
+      // If reusing old populate docs, avoid reusing `_docs` because that may
+      // lead to bugs and memory leaks. See gh-11641
+      path._docs = [];
+      path._childDocs = [];
+      return [path];
+    }
+
+    if (Array.isArray(path)) {
+      const singles = makeSingles(path);
+      return singles.map(o => exports.populate(o)[0]);
+    }
+
+    if (exports.isObject(path)) {
+      obj = Object.assign({}, path);
+    } else {
+      obj = { path: path };
+    }
+  } else if (typeof model === 'object') {
+    obj = {
+      path: path,
+      select: select,
+      match: model,
+      options: match
+    };
+  } else {
+    obj = {
+      path: path,
+      select: select,
+      model: model,
+      match: match,
+      options: options,
+      populate: subPopulate,
+      justOne: justOne,
+      count: count
+    };
+  }
+
+  if (typeof obj.path !== 'string') {
+    throw new TypeError('utils.populate: invalid path. Expected string. Got typeof `' + typeof path + '`');
+  }
+
+  return _populateObj(obj);
+
+  // The order of select/conditions args is opposite Model.find but
+  // necessary to keep backward compatibility (select could be
+  // an array, string, or object literal).
+  function makeSingles(arr) {
+    const ret = [];
+    arr.forEach(function(obj) {
+      if (/[\s]/.test(obj.path)) {
+        const paths = obj.path.split(' ');
+        paths.forEach(function(p) {
+          const copy = Object.assign({}, obj);
+          copy.path = p;
+          ret.push(copy);
+        });
+      } else {
+        ret.push(obj);
+      }
+    });
+
+    return ret;
+  }
+};
+
+function _populateObj(obj) {
+  if (Array.isArray(obj.populate)) {
+    const ret = [];
+    obj.populate.forEach(function(obj) {
+      if (/[\s]/.test(obj.path)) {
+        const copy = Object.assign({}, obj);
+        const paths = copy.path.split(' ');
+        paths.forEach(function(p) {
+          copy.path = p;
+          ret.push(exports.populate(copy)[0]);
+        });
+      } else {
+        ret.push(exports.populate(obj)[0]);
+      }
+    });
+    obj.populate = exports.populate(ret);
+  } else if (obj.populate != null && typeof obj.populate === 'object') {
+    obj.populate = exports.populate(obj.populate);
+  }
+
+  const ret = [];
+  const paths = obj.path.split(' ');
+  if (obj.options != null) {
+    obj.options = exports.clone(obj.options);
+  }
+
+  for (const path of paths) {
+    ret.push(new PopulateOptions(Object.assign({}, obj, { path: path })));
+  }
+
+  return ret;
+}
+
+/**
+ * Return the value of `obj` at the given `path`.
+ *
+ * @param {String} path
+ * @param {Object} obj
+ * @param {Any} map
+ */
+
+exports.getValue = function(path, obj, map) {
+  return mpath.get(path, obj, '_doc', map);
+};
+
+/**
+ * Sets the value of `obj` at the given `path`.
+ *
+ * @param {String} path
+ * @param {Anything} val
+ * @param {Object} obj
+ * @param {Any} map
+ * @param {Any} _copying
+ */
+
+exports.setValue = function(path, val, obj, map, _copying) {
+  mpath.set(path, val, obj, '_doc', map, _copying);
+};
+
+/**
+ * Returns an array of values from object `o`.
+ *
+ * @param {Object} o
+ * @return {Array}
+ * @api private
+ */
+
+exports.object = {};
+exports.object.vals = function vals(o) {
+  const keys = Object.keys(o);
+  let i = keys.length;
+  const ret = [];
+
+  while (i--) {
+    ret.push(o[keys[i]]);
+  }
+
+  return ret;
+};
+
+/**
+ * @see exports.options
+ */
+
+exports.object.shallowCopy = exports.options;
+
+const hop = Object.prototype.hasOwnProperty;
+
+/**
+ * Safer helper for hasOwnProperty checks
+ *
+ * @param {Object} obj
+ * @param {String} prop
+ */
+
+exports.object.hasOwnProperty = function(obj, prop) {
+  return hop.call(obj, prop);
+};
+
+/**
+ * Determine if `val` is null or undefined
+ *
+ * @param {Any} val
+ * @return {Boolean}
+ */
+
+exports.isNullOrUndefined = function(val) {
+  return val === null || val === undefined;
+};
+
+/*!
+ * ignore
+ */
+
+exports.array = {};
+
+/**
+ * Flattens an array.
+ *
+ * [ 1, [ 2, 3, [4] ]] -> [1,2,3,4]
+ *
+ * @param {Array} arr
+ * @param {Function} [filter] If passed, will be invoked with each item in the array. If `filter` returns a falsy value, the item will not be included in the results.
+ * @param {Array} ret
+ * @return {Array}
+ * @api private
+ */
+
+exports.array.flatten = function flatten(arr, filter, ret) {
+  ret || (ret = []);
+
+  arr.forEach(function(item) {
+    if (Array.isArray(item)) {
+      flatten(item, filter, ret);
+    } else {
+      if (!filter || filter(item)) {
+        ret.push(item);
+      }
+    }
+  });
+
+  return ret;
+};
+
+/*!
+ * ignore
+ */
+
+const _hasOwnProperty = Object.prototype.hasOwnProperty;
+
+exports.hasUserDefinedProperty = function(obj, key) {
+  if (obj == null) {
+    return false;
+  }
+
+  if (Array.isArray(key)) {
+    for (const k of key) {
+      if (exports.hasUserDefinedProperty(obj, k)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  if (_hasOwnProperty.call(obj, key)) {
+    return true;
+  }
+  if (typeof obj === 'object' && key in obj) {
+    const v = obj[key];
+    return v !== Object.prototype[key] && v !== Array.prototype[key];
+  }
+
+  return false;
+};
+
+/*!
+ * ignore
+ */
+
+const MAX_ARRAY_INDEX = Math.pow(2, 32) - 1;
+
+exports.isArrayIndex = function(val) {
+  if (typeof val === 'number') {
+    return val >= 0 && val <= MAX_ARRAY_INDEX;
+  }
+  if (typeof val === 'string') {
+    if (!/^\d+$/.test(val)) {
+      return false;
+    }
+    val = +val;
+    return val >= 0 && val <= MAX_ARRAY_INDEX;
+  }
+
+  return false;
+};
+
+/**
+ * Removes duplicate values from an array
+ *
+ * [1, 2, 3, 3, 5] => [1, 2, 3, 5]
+ * [ ObjectId("550988ba0c19d57f697dc45e"), ObjectId("550988ba0c19d57f697dc45e") ]
+ *    => [ObjectId("550988ba0c19d57f697dc45e")]
+ *
+ * @param {Array} arr
+ * @return {Array}
+ * @api private
+ */
+
+exports.array.unique = function(arr) {
+  const primitives = new Set();
+  const ids = new Set();
+  const ret = [];
+
+  for (const item of arr) {
+    if (typeof item === 'number' || typeof item === 'string' || item == null) {
+      if (primitives.has(item)) {
+        continue;
+      }
+      ret.push(item);
+      primitives.add(item);
+    } else if (isBsonType(item, 'ObjectID')) {
+      if (ids.has(item.toString())) {
+        continue;
+      }
+      ret.push(item);
+      ids.add(item.toString());
+    } else {
+      ret.push(item);
+    }
+  }
+
+  return ret;
+};
+
+exports.buffer = {};
+
+/**
+ * Determines if two buffers are equal.
+ *
+ * @param {Buffer} a
+ * @param {Object} b
+ */
+
+exports.buffer.areEqual = function(a, b) {
+  if (!Buffer.isBuffer(a)) {
+    return false;
+  }
+  if (!Buffer.isBuffer(b)) {
+    return false;
+  }
+  if (a.length !== b.length) {
+    return false;
+  }
+  for (let i = 0, len = a.length; i < len; ++i) {
+    if (a[i] !== b[i]) {
+      return false;
+    }
+  }
+  return true;
+};
+
+exports.getFunctionName = getFunctionName;
+
+/**
+ * Decorate buffers
+ * @param {Object} destination
+ * @param {Object} source
+ */
+
+exports.decorate = function(destination, source) {
+  for (const key in source) {
+    if (specialProperties.has(key)) {
+      continue;
+    }
+    destination[key] = source[key];
+  }
+};
+
+/**
+ * merges to with a copy of from
+ *
+ * @param {Object} to
+ * @param {Object} fromObj
+ * @api private
+ */
+
+exports.mergeClone = function(to, fromObj) {
+  if (isMongooseObject(fromObj)) {
+    fromObj = fromObj.toObject({
+      transform: false,
+      virtuals: false,
+      depopulate: true,
+      getters: false,
+      flattenDecimals: false
+    });
+  }
+  const keys = Object.keys(fromObj);
+  const len = keys.length;
+  let i = 0;
+  let key;
+
+  while (i < len) {
+    key = keys[i++];
+    if (specialProperties.has(key)) {
+      continue;
+    }
+    if (typeof to[key] === 'undefined') {
+      to[key] = exports.clone(fromObj[key], {
+        transform: false,
+        virtuals: false,
+        depopulate: true,
+        getters: false,
+        flattenDecimals: false
+      });
+    } else {
+      let val = fromObj[key];
+      if (val != null && val.valueOf && !(val instanceof Date)) {
+        val = val.valueOf();
+      }
+      if (exports.isObject(val)) {
+        let obj = val;
+        if (isMongooseObject(val) && !val.isMongooseBuffer) {
+          obj = obj.toObject({
+            transform: false,
+            virtuals: false,
+            depopulate: true,
+            getters: false,
+            flattenDecimals: false
+          });
+        }
+        if (val.isMongooseBuffer) {
+          obj = Buffer.from(obj);
+        }
+        exports.mergeClone(to[key], obj);
+      } else {
+        to[key] = exports.clone(val, {
+          flattenDecimals: false
+        });
+      }
+    }
+  }
+};
+
+/**
+ * Executes a function on each element of an array (like _.each)
+ *
+ * @param {Array} arr
+ * @param {Function} fn
+ * @api private
+ */
+
+exports.each = function(arr, fn) {
+  for (const item of arr) {
+    fn(item);
+  }
+};
+
+/*!
+ * ignore
+ */
+
+exports.getOption = function(name) {
+  const sources = Array.prototype.slice.call(arguments, 1);
+
+  for (const source of sources) {
+    if (source == null) {
+      continue;
+    }
+    if (source[name] != null) {
+      return source[name];
+    }
+  }
+
+  return null;
+};
+
+/*!
+ * ignore
+ */
+
+exports.noop = function() {};
+
+exports.errorToPOJO = function errorToPOJO(error) {
+  const isError = error instanceof Error;
+  if (!isError) {
+    throw new Error('`error` must be `instanceof Error`.');
+  }
+
+  const ret = {};
+  for (const properyName of Object.getOwnPropertyNames(error)) {
+    ret[properyName] = error[properyName];
+  }
+  return ret;
+};
+
+/*!
+ * ignore
+ */
+
+exports.warn = function warn(message) {
+  return process.emitWarning(message, { code: 'MONGOOSE' });
+};
+
+
+exports.injectTimestampsOption = function injectTimestampsOption(writeOperation, timestampsOption) {
+  if (timestampsOption == null) {
+    return;
+  }
+  writeOperation.timestamps = timestampsOption;
+};
diff --git a/node_modules/mongoose/lib/validoptions.js b/node_modules/mongoose/lib/validoptions.js
new file mode 100644
index 000000000..a42e552c7
--- /dev/null
+++ b/node_modules/mongoose/lib/validoptions.js
@@ -0,0 +1,36 @@
+
+/*!
+ * Valid mongoose options
+ */
+
+'use strict';
+
+const VALID_OPTIONS = Object.freeze([
+  'allowDiskUse',
+  'applyPluginsToChildSchemas',
+  'applyPluginsToDiscriminators',
+  'autoCreate',
+  'autoIndex',
+  'bufferCommands',
+  'bufferTimeoutMS',
+  'cloneSchemas',
+  'debug',
+  'id',
+  'timestamps.createdAt.immutable',
+  'maxTimeMS',
+  'objectIdGetter',
+  'overwriteModels',
+  'returnOriginal',
+  'runValidators',
+  'sanitizeFilter',
+  'sanitizeProjection',
+  'selectPopulatedPaths',
+  'setDefaultsOnInsert',
+  'strict',
+  'strictPopulate',
+  'strictQuery',
+  'toJSON',
+  'toObject'
+]);
+
+module.exports = VALID_OPTIONS;
diff --git a/node_modules/mongoose/lib/virtualtype.js b/node_modules/mongoose/lib/virtualtype.js
new file mode 100644
index 000000000..d52f91dfb
--- /dev/null
+++ b/node_modules/mongoose/lib/virtualtype.js
@@ -0,0 +1,175 @@
+'use strict';
+
+const utils = require('./utils');
+
+/**
+ * VirtualType constructor
+ *
+ * This is what mongoose uses to define virtual attributes via `Schema.prototype.virtual`.
+ *
+ * #### Example:
+ *
+ *     const fullname = schema.virtual('fullname');
+ *     fullname instanceof mongoose.VirtualType // true
+ *
+ * @param {Object} options
+ * @param {String|Function} [options.ref] if `ref` is not nullish, this becomes a [populated virtual](/docs/populate.html#populate-virtuals)
+ * @param {String|Function} [options.localField] the local field to populate on if this is a populated virtual.
+ * @param {String|Function} [options.foreignField] the foreign field to populate on if this is a populated virtual.
+ * @param {Boolean} [options.justOne=false] by default, a populated virtual is an array. If you set `justOne`, the populated virtual will be a single doc or `null`.
+ * @param {Boolean} [options.getters=false] if you set this to `true`, Mongoose will call any custom getters you defined on this virtual
+ * @param {Boolean} [options.count=false] if you set this to `true`, `populate()` will set this virtual to the number of populated documents, as opposed to the documents themselves, using [`Query#countDocuments()`](./api.html#query_Query-countDocuments)
+ * @param {Object|Function} [options.match=null] add an extra match condition to `populate()`
+ * @param {Number} [options.limit=null] add a default `limit` to the `populate()` query
+ * @param {Number} [options.skip=null] add a default `skip` to the `populate()` query
+ * @param {Number} [options.perDocumentLimit=null] For legacy reasons, `limit` with `populate()` may give incorrect results because it only executes a single query for every document being populated. If you set `perDocumentLimit`, Mongoose will ensure correct `limit` per document by executing a separate query for each document to `populate()`. For example, `.find().populate({ path: 'test', perDocumentLimit: 2 })` will execute 2 additional queries if `.find()` returns 2 documents.
+ * @param {Object} [options.options=null] Additional options like `limit` and `lean`.
+ * @param {String} name
+ * @api public
+ */
+
+function VirtualType(options, name) {
+  this.path = name;
+  this.getters = [];
+  this.setters = [];
+  this.options = Object.assign({}, options);
+}
+
+/**
+ * If no getters/setters, add a default
+ *
+ * @api private
+ */
+
+VirtualType.prototype._applyDefaultGetters = function() {
+  if (this.getters.length > 0 || this.setters.length > 0) {
+    return;
+  }
+
+  const path = this.path;
+  const internalProperty = '$' + path;
+  this.getters.push(function() {
+    return this.$locals[internalProperty];
+  });
+  this.setters.push(function(v) {
+    this.$locals[internalProperty] = v;
+  });
+};
+
+/*!
+ * ignore
+ */
+
+VirtualType.prototype.clone = function() {
+  const clone = new VirtualType(this.options, this.path);
+  clone.getters = [].concat(this.getters);
+  clone.setters = [].concat(this.setters);
+  return clone;
+};
+
+/**
+ * Adds a custom getter to this virtual.
+ *
+ * Mongoose calls the getter function with the below 3 parameters.
+ *
+ * - `value`: the value returned by the previous getter. If there is only one getter, `value` will be `undefined`.
+ * - `virtual`: the virtual object you called `.get()` on.
+ * - `doc`: the document this virtual is attached to. Equivalent to `this`.
+ *
+ * #### Example:
+ *
+ *     const virtual = schema.virtual('fullname');
+ *     virtual.get(function(value, virtual, doc) {
+ *       return this.name.first + ' ' + this.name.last;
+ *     });
+ *
+ * @param {Function} fn
+ * @return {VirtualType} this
+ * @api public
+ */
+
+VirtualType.prototype.get = function(fn) {
+  this.getters.push(fn);
+  return this;
+};
+
+/**
+ * Adds a custom setter to this virtual.
+ *
+ * Mongoose calls the setter function with the below 3 parameters.
+ *
+ * - `value`: the value being set.
+ * - `virtual`: the virtual object you're calling `.set()` on.
+ * - `doc`: the document this virtual is attached to. Equivalent to `this`.
+ *
+ * #### Example:
+ *
+ *     const virtual = schema.virtual('fullname');
+ *     virtual.set(function(value, virtual, doc) {
+ *       const parts = value.split(' ');
+ *       this.name.first = parts[0];
+ *       this.name.last = parts[1];
+ *     });
+ *
+ *     const Model = mongoose.model('Test', schema);
+ *     const doc = new Model();
+ *     // Calls the setter with `value = 'Jean-Luc Picard'`
+ *     doc.fullname = 'Jean-Luc Picard';
+ *     doc.name.first; // 'Jean-Luc'
+ *     doc.name.last; // 'Picard'
+ *
+ * @param {Function} fn
+ * @return {VirtualType} this
+ * @api public
+ */
+
+VirtualType.prototype.set = function(fn) {
+  this.setters.push(fn);
+  return this;
+};
+
+/**
+ * Applies getters to `value`.
+ *
+ * @param {Object} value
+ * @param {Document} doc The document this virtual is attached to
+ * @return {Any} the value after applying all getters
+ * @api public
+ */
+
+VirtualType.prototype.applyGetters = function(value, doc) {
+  if (utils.hasUserDefinedProperty(this.options, ['ref', 'refPath']) &&
+      doc.$$populatedVirtuals &&
+      doc.$$populatedVirtuals.hasOwnProperty(this.path)) {
+    value = doc.$$populatedVirtuals[this.path];
+  }
+
+  let v = value;
+  for (const getter of this.getters) {
+    v = getter.call(doc, v, this, doc);
+  }
+  return v;
+};
+
+/**
+ * Applies setters to `value`.
+ *
+ * @param {Object} value
+ * @param {Document} doc
+ * @return {Any} the value after applying all setters
+ * @api public
+ */
+
+VirtualType.prototype.applySetters = function(value, doc) {
+  let v = value;
+  for (const setter of this.setters) {
+    v = setter.call(doc, v, this, doc);
+  }
+  return v;
+};
+
+/*!
+ * exports
+ */
+
+module.exports = VirtualType;
diff --git a/node_modules/mongoose/node_modules/mongodb/LICENSE.md b/node_modules/mongoose/node_modules/mongodb/LICENSE.md
new file mode 100644
index 000000000..ad410e113
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/LICENSE.md
@@ -0,0 +1,201 @@
+Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
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+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
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+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
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+      of this License, Derivative Works shall not include works that remain
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+      the Work and Derivative Works thereof.
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+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
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+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
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+   2. Grant of Copyright License. Subject to the terms and conditions of
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+   4. Redistribution. You may reproduce and distribute copies of the
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+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "{}"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright {yyyy} {name of copyright owner}
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/README.md b/node_modules/mongoose/node_modules/mongodb/README.md
new file mode 100644
index 000000000..1811de369
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/README.md
@@ -0,0 +1,280 @@
+# MongoDB NodeJS Driver
+
+The official [MongoDB](https://www.mongodb.com/) driver for Node.js.
+
+**Upgrading to version 4? Take a look at our [upgrade guide here](https://github.com/mongodb/node-mongodb-native/blob/HEAD/etc/notes/CHANGES_4.0.0.md)!**
+
+## Quick Links
+
+| what          | where                                                                                                   |
+| ------------- | ------------------------------------------------------------------------------------------------------- |
+| documentation | [docs.mongodb.com/drivers/node](https://docs.mongodb.com/drivers/node)                                  |
+| api-doc       | [mongodb.github.io/node-mongodb-native/](https://mongodb.github.io/node-mongodb-native/)                |
+| npm package   | [www.npmjs.com/package/mongodb](https://www.npmjs.com/package/mongodb)                                  |
+| source        | [github.com/mongodb/node-mongodb-native](https://github.com/mongodb/node-mongodb-native)                |
+| mongodb       | [www.mongodb.com](https://www.mongodb.com)                                                              |
+| changelog     | [HISTORY.md](https://github.com/mongodb/node-mongodb-native/blob/HEAD/HISTORY.md)                       |
+| upgrade to v4 | [etc/notes/CHANGES_4.0.0.md](https://github.com/mongodb/node-mongodb-native/blob/HEAD/etc/notes/CHANGES_4.0.0.md) |
+| contributing  | [CONTRIBUTING.md](https://github.com/mongodb/node-mongodb-native/blob/HEAD/CONTRIBUTING.md)             |
+
+### Bugs / Feature Requests
+
+Think you’ve found a bug? Want to see a new feature in `node-mongodb-native`? Please open a
+case in our issue management tool, JIRA:
+
+- Create an account and login [jira.mongodb.org](https://jira.mongodb.org).
+- Navigate to the NODE project [jira.mongodb.org/browse/NODE](https://jira.mongodb.org/browse/NODE).
+- Click **Create Issue** - Please provide as much information as possible about the issue type and how to reproduce it.
+
+Bug reports in JIRA for all driver projects (i.e. NODE, PYTHON, CSHARP, JAVA) and the
+Core Server (i.e. SERVER) project are **public**.
+
+### Support / Feedback
+
+For issues with, questions about, or feedback for the Node.js driver, please look into our [support channels](https://docs.mongodb.com/manual/support). Please do not email any of the driver developers directly with issues or questions - you're more likely to get an answer on the [MongoDB Community Forums](https://community.mongodb.com/tags/c/drivers-odms-connectors/7/node-js-driver).
+
+### Change Log
+
+Change history can be found in [`HISTORY.md`](https://github.com/mongodb/node-mongodb-native/blob/HEAD/HISTORY.md).
+
+### Compatibility
+
+For version compatibility matrices, please refer to the following links:
+
+- [MongoDB](https://docs.mongodb.com/drivers/node/current/compatibility/#mongodb-compatibility)
+- [NodeJS](https://docs.mongodb.com/drivers/node/current/compatibility/#language-compatibility)
+
+#### Typescript Version
+
+We recommend using the latest version of typescript, however we currently ensure the driver's public types compile against `typescript@4.1.6`.
+This is the lowest typescript version guaranteed to work with our driver: older versions may or may not work - use at your own risk.
+Since typescript [does not restrict breaking changes to major versions](https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes) we consider this support best effort.
+If you run into any unexpected compiler failures against our supported TypeScript versions please let us know by filing an issue on our [JIRA](https://jira.mongodb.org/browse/NODE).
+
+## Installation
+
+The recommended way to get started using the Node.js 4.x driver is by using the `npm` (Node Package Manager) to install the dependency in your project.
+
+After you've created your own project using `npm init`, you can run:
+
+```bash
+npm install mongodb
+# or ...
+yarn add mongodb
+```
+
+This will download the MongoDB driver and add a dependency entry in your `package.json` file.
+
+If you are a Typescript user, you will need the Node.js type definitions to use the driver's definitions:
+
+```sh
+npm install -D @types/node
+```
+
+## Troubleshooting
+
+The MongoDB driver depends on several other packages. These are:
+
+- [bson](https://github.com/mongodb/js-bson)
+- [bson-ext](https://github.com/mongodb-js/bson-ext)
+- [kerberos](https://github.com/mongodb-js/kerberos)
+- [mongodb-client-encryption](https://github.com/mongodb/libmongocrypt#readme)
+
+Some of these packages include native C++ extensions. Consult the [trouble shooting guide here](https://github.com/mongodb/node-mongodb-native/blob/HEAD/etc/notes/native-extensions.md) if you run into issues.
+
+## Quick Start
+
+This guide will show you how to set up a simple application using Node.js and MongoDB. Its scope is only how to set up the driver and perform the simple CRUD operations. For more in-depth coverage, see the [official documentation](https://docs.mongodb.com/drivers/node/).
+
+### Create the `package.json` file
+
+First, create a directory where your application will live.
+
+```bash
+mkdir myProject
+cd myProject
+```
+
+Enter the following command and answer the questions to create the initial structure for your new project:
+
+```bash
+npm init -y
+```
+
+Next, install the driver as a dependency.
+
+```bash
+npm install mongodb
+```
+
+### Start a MongoDB Server
+
+For complete MongoDB installation instructions, see [the manual](https://docs.mongodb.org/manual/installation/).
+
+1. Download the right MongoDB version from [MongoDB](https://www.mongodb.org/downloads)
+2. Create a database directory (in this case under **/data**).
+3. Install and start a `mongod` process.
+
+```bash
+mongod --dbpath=/data
+```
+
+You should see the **mongod** process start up and print some status information.
+
+### Connect to MongoDB
+
+Create a new **app.js** file and add the following code to try out some basic CRUD
+operations using the MongoDB driver.
+
+Add code to connect to the server and the database **myProject**:
+
+> **NOTE:** All the examples below use async/await syntax.
+>
+> However, all async API calls support an optional callback as the final argument,
+> if a callback is provided a Promise will not be returned.
+
+```js
+const { MongoClient } = require('mongodb');
+// or as an es module:
+// import { MongoClient } from 'mongodb'
+
+// Connection URL
+const url = 'mongodb://localhost:27017';
+const client = new MongoClient(url);
+
+// Database Name
+const dbName = 'myProject';
+
+async function main() {
+  // Use connect method to connect to the server
+  await client.connect();
+  console.log('Connected successfully to server');
+  const db = client.db(dbName);
+  const collection = db.collection('documents');
+
+  // the following code examples can be pasted here...
+
+  return 'done.';
+}
+
+main()
+  .then(console.log)
+  .catch(console.error)
+  .finally(() => client.close());
+```
+
+Run your app from the command line with:
+
+```bash
+node app.js
+```
+
+The application should print **Connected successfully to server** to the console.
+
+### Insert a Document
+
+Add to **app.js** the following function which uses the **insertMany**
+method to add three documents to the **documents** collection.
+
+```js
+const insertResult = await collection.insertMany([{ a: 1 }, { a: 2 }, { a: 3 }]);
+console.log('Inserted documents =>', insertResult);
+```
+
+The **insertMany** command returns an object with information about the insert operations.
+
+### Find All Documents
+
+Add a query that returns all the documents.
+
+```js
+const findResult = await collection.find({}).toArray();
+console.log('Found documents =>', findResult);
+```
+
+This query returns all the documents in the **documents** collection.
+If you add this below the insertMany example you'll see the document's you've inserted.
+
+### Find Documents with a Query Filter
+
+Add a query filter to find only documents which meet the query criteria.
+
+```js
+const filteredDocs = await collection.find({ a: 3 }).toArray();
+console.log('Found documents filtered by { a: 3 } =>', filteredDocs);
+```
+
+Only the documents which match `'a' : 3` should be returned.
+
+### Update a document
+
+The following operation updates a document in the **documents** collection.
+
+```js
+const updateResult = await collection.updateOne({ a: 3 }, { $set: { b: 1 } });
+console.log('Updated documents =>', updateResult);
+```
+
+The method updates the first document where the field **a** is equal to **3** by adding a new field **b** to the document set to **1**. `updateResult` contains information about whether there was a matching document to update or not.
+
+### Remove a document
+
+Remove the document where the field **a** is equal to **3**.
+
+```js
+const deleteResult = await collection.deleteMany({ a: 3 });
+console.log('Deleted documents =>', deleteResult);
+```
+
+### Index a Collection
+
+[Indexes](https://docs.mongodb.org/manual/indexes/) can improve your application's
+performance. The following function creates an index on the **a** field in the
+**documents** collection.
+
+```js
+const indexName = await collection.createIndex({ a: 1 });
+console.log('index name =', indexName);
+```
+
+For more detailed information, see the [indexing strategies page](https://docs.mongodb.com/manual/applications/indexes/).
+
+## Error Handling
+
+If you need to filter certain errors from our driver we have a helpful tree of errors described in [etc/notes/errors.md](https://github.com/mongodb/node-mongodb-native/blob/HEAD/etc/notes/errors.md).
+
+It is our recommendation to use `instanceof` checks on errors and to avoid relying on parsing `error.message` and `error.name` strings in your code.
+We guarantee `instanceof` checks will pass according to semver guidelines, but errors may be sub-classed or their messages may change at any time, even patch releases, as we see fit to increase the helpfulness of the errors.
+
+Any new errors we add to the driver will directly extend an existing error class and no existing error will be moved to a different parent class outside of a major release.
+This means `instanceof` will always be able to accurately capture the errors that our driver throws (or returns in a callback).
+
+```typescript
+const client = new MongoClient(url);
+await client.connect();
+const collection = client.db().collection('collection');
+
+try {
+  await collection.insertOne({ _id: 1 });
+  await collection.insertOne({ _id: 1 }); // duplicate key error
+} catch (error) {
+  if (error instanceof MongoServerError) {
+    console.log(`Error worth logging: ${error}`); // special case for some reason
+  }
+  throw error; // still want to crash
+}
+```
+
+## Next Steps
+
+- [MongoDB Documentation](https://docs.mongodb.com/manual/)
+- [MongoDB Node Driver Documentation](https://docs.mongodb.com/drivers/node/)
+- [Read about Schemas](https://docs.mongodb.com/manual/core/data-modeling-introduction/)
+- [Star us on GitHub](https://github.com/mongodb/node-mongodb-native)
+
+## License
+
+[Apache 2.0](LICENSE.md)
+
+© 2009-2012 Christian Amor Kvalheim
+© 2012-present MongoDB [Contributors](https://github.com/mongodb/node-mongodb-native/blob/HEAD/CONTRIBUTORS.md)
diff --git a/node_modules/mongoose/node_modules/mongodb/etc/prepare.js b/node_modules/mongoose/node_modules/mongodb/etc/prepare.js
new file mode 100644
index 000000000..2039d0b33
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/etc/prepare.js
@@ -0,0 +1,12 @@
+#! /usr/bin/env node
+var cp = require('child_process');
+var fs = require('fs');
+var os = require('os');
+
+if (fs.existsSync('src')) {
+  cp.spawn('npm', ['run', 'build:dts'], { stdio: 'inherit', shell: os.platform() === 'win32' });
+} else {
+  if (!fs.existsSync('lib')) {
+    console.warn('MongoDB: No compiled javascript present, the driver is not installed correctly.');
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/admin.js b/node_modules/mongoose/node_modules/mongodb/lib/admin.js
new file mode 100644
index 000000000..f984a9ee5
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/admin.js
@@ -0,0 +1,123 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Admin = void 0;
+const add_user_1 = require("./operations/add_user");
+const execute_operation_1 = require("./operations/execute_operation");
+const list_databases_1 = require("./operations/list_databases");
+const remove_user_1 = require("./operations/remove_user");
+const run_command_1 = require("./operations/run_command");
+const validate_collection_1 = require("./operations/validate_collection");
+/**
+ * The **Admin** class is an internal class that allows convenient access to
+ * the admin functionality and commands for MongoDB.
+ *
+ * **ADMIN Cannot directly be instantiated**
+ * @public
+ *
+ * @example
+ * ```js
+ * const MongoClient = require('mongodb').MongoClient;
+ * const test = require('assert');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ *
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, client) {
+ *   // Use the admin database for the operation
+ *   const adminDb = client.db(dbName).admin();
+ *
+ *   // List all the available databases
+ *   adminDb.listDatabases(function(err, dbs) {
+ *     expect(err).to.not.exist;
+ *     test.ok(dbs.databases.length > 0);
+ *     client.close();
+ *   });
+ * });
+ * ```
+ */
+class Admin {
+    /**
+     * Create a new Admin instance
+     * @internal
+     */
+    constructor(db) {
+        this.s = { db };
+    }
+    command(command, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = Object.assign({ dbName: 'admin' }, options);
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new run_command_1.RunCommandOperation(this.s.db, command, options), callback);
+    }
+    buildInfo(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.command({ buildinfo: 1 }, options, callback);
+    }
+    serverInfo(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.command({ buildinfo: 1 }, options, callback);
+    }
+    serverStatus(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.command({ serverStatus: 1 }, options, callback);
+    }
+    ping(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.command({ ping: 1 }, options, callback);
+    }
+    addUser(username, password, options, callback) {
+        if (typeof password === 'function') {
+            (callback = password), (password = undefined), (options = {});
+        }
+        else if (typeof password !== 'string') {
+            if (typeof options === 'function') {
+                (callback = options), (options = password), (password = undefined);
+            }
+            else {
+                (options = password), (callback = undefined), (password = undefined);
+            }
+        }
+        else {
+            if (typeof options === 'function')
+                (callback = options), (options = {});
+        }
+        options = Object.assign({ dbName: 'admin' }, options);
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new add_user_1.AddUserOperation(this.s.db, username, password, options), callback);
+    }
+    removeUser(username, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = Object.assign({ dbName: 'admin' }, options);
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new remove_user_1.RemoveUserOperation(this.s.db, username, options), callback);
+    }
+    validateCollection(collectionName, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new validate_collection_1.ValidateCollectionOperation(this, collectionName, options), callback);
+    }
+    listDatabases(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new list_databases_1.ListDatabasesOperation(this.s.db, options), callback);
+    }
+    replSetGetStatus(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.command({ replSetGetStatus: 1 }, options, callback);
+    }
+}
+exports.Admin = Admin;
+//# sourceMappingURL=admin.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/admin.js.map b/node_modules/mongoose/node_modules/mongodb/lib/admin.js.map
new file mode 100644
index 000000000..da5ef61d4
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/admin.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/bson.js b/node_modules/mongoose/node_modules/mongodb/lib/bson.js
new file mode 100644
index 000000000..c311e59e9
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/bson.js
@@ -0,0 +1,71 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.resolveBSONOptions = exports.pluckBSONSerializeOptions = exports.BSON = exports.Timestamp = exports.ObjectId = exports.MinKey = exports.MaxKey = exports.Map = exports.Long = exports.Int32 = exports.Double = exports.Decimal128 = exports.DBRef = exports.Code = exports.BSONSymbol = exports.BSONRegExp = exports.Binary = exports.calculateObjectSize = exports.serialize = exports.deserialize = void 0;
+/** @internal */
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+let BSON = require('bson');
+exports.BSON = BSON;
+try {
+    // Ensure you always wrap an optional require in the try block NODE-3199
+    exports.BSON = BSON = require('bson-ext');
+}
+catch { } // eslint-disable-line
+/** @internal */
+exports.deserialize = BSON.deserialize;
+/** @internal */
+exports.serialize = BSON.serialize;
+/** @internal */
+exports.calculateObjectSize = BSON.calculateObjectSize;
+var bson_1 = require("bson");
+Object.defineProperty(exports, "Binary", { enumerable: true, get: function () { return bson_1.Binary; } });
+Object.defineProperty(exports, "BSONRegExp", { enumerable: true, get: function () { return bson_1.BSONRegExp; } });
+Object.defineProperty(exports, "BSONSymbol", { enumerable: true, get: function () { return bson_1.BSONSymbol; } });
+Object.defineProperty(exports, "Code", { enumerable: true, get: function () { return bson_1.Code; } });
+Object.defineProperty(exports, "DBRef", { enumerable: true, get: function () { return bson_1.DBRef; } });
+Object.defineProperty(exports, "Decimal128", { enumerable: true, get: function () { return bson_1.Decimal128; } });
+Object.defineProperty(exports, "Double", { enumerable: true, get: function () { return bson_1.Double; } });
+Object.defineProperty(exports, "Int32", { enumerable: true, get: function () { return bson_1.Int32; } });
+Object.defineProperty(exports, "Long", { enumerable: true, get: function () { return bson_1.Long; } });
+Object.defineProperty(exports, "Map", { enumerable: true, get: function () { return bson_1.Map; } });
+Object.defineProperty(exports, "MaxKey", { enumerable: true, get: function () { return bson_1.MaxKey; } });
+Object.defineProperty(exports, "MinKey", { enumerable: true, get: function () { return bson_1.MinKey; } });
+Object.defineProperty(exports, "ObjectId", { enumerable: true, get: function () { return bson_1.ObjectId; } });
+Object.defineProperty(exports, "Timestamp", { enumerable: true, get: function () { return bson_1.Timestamp; } });
+function pluckBSONSerializeOptions(options) {
+    const { fieldsAsRaw, promoteValues, promoteBuffers, promoteLongs, serializeFunctions, ignoreUndefined, bsonRegExp, raw, enableUtf8Validation } = options;
+    return {
+        fieldsAsRaw,
+        promoteValues,
+        promoteBuffers,
+        promoteLongs,
+        serializeFunctions,
+        ignoreUndefined,
+        bsonRegExp,
+        raw,
+        enableUtf8Validation
+    };
+}
+exports.pluckBSONSerializeOptions = pluckBSONSerializeOptions;
+/**
+ * Merge the given BSONSerializeOptions, preferring options over the parent's options, and
+ * substituting defaults for values not set.
+ *
+ * @internal
+ */
+function resolveBSONOptions(options, parent) {
+    var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m, _o, _p, _q, _r, _s, _t;
+    const parentOptions = parent === null || parent === void 0 ? void 0 : parent.bsonOptions;
+    return {
+        raw: (_b = (_a = options === null || options === void 0 ? void 0 : options.raw) !== null && _a !== void 0 ? _a : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.raw) !== null && _b !== void 0 ? _b : false,
+        promoteLongs: (_d = (_c = options === null || options === void 0 ? void 0 : options.promoteLongs) !== null && _c !== void 0 ? _c : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.promoteLongs) !== null && _d !== void 0 ? _d : true,
+        promoteValues: (_f = (_e = options === null || options === void 0 ? void 0 : options.promoteValues) !== null && _e !== void 0 ? _e : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.promoteValues) !== null && _f !== void 0 ? _f : true,
+        promoteBuffers: (_h = (_g = options === null || options === void 0 ? void 0 : options.promoteBuffers) !== null && _g !== void 0 ? _g : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.promoteBuffers) !== null && _h !== void 0 ? _h : false,
+        ignoreUndefined: (_k = (_j = options === null || options === void 0 ? void 0 : options.ignoreUndefined) !== null && _j !== void 0 ? _j : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.ignoreUndefined) !== null && _k !== void 0 ? _k : false,
+        bsonRegExp: (_m = (_l = options === null || options === void 0 ? void 0 : options.bsonRegExp) !== null && _l !== void 0 ? _l : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.bsonRegExp) !== null && _m !== void 0 ? _m : false,
+        serializeFunctions: (_p = (_o = options === null || options === void 0 ? void 0 : options.serializeFunctions) !== null && _o !== void 0 ? _o : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.serializeFunctions) !== null && _p !== void 0 ? _p : false,
+        fieldsAsRaw: (_r = (_q = options === null || options === void 0 ? void 0 : options.fieldsAsRaw) !== null && _q !== void 0 ? _q : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.fieldsAsRaw) !== null && _r !== void 0 ? _r : {},
+        enableUtf8Validation: (_t = (_s = options === null || options === void 0 ? void 0 : options.enableUtf8Validation) !== null && _s !== void 0 ? _s : parentOptions === null || parentOptions === void 0 ? void 0 : parentOptions.enableUtf8Validation) !== null && _t !== void 0 ? _t : true
+    };
+}
+exports.resolveBSONOptions = resolveBSONOptions;
+//# sourceMappingURL=bson.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/bson.js.map b/node_modules/mongoose/node_modules/mongodb/lib/bson.js.map
new file mode 100644
index 000000000..7e9c98085
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/bson.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"bson.js","sourceRoot":"","sources":["../src/bson.ts"],"names":[],"mappings":";;;AAQA,gBAAgB;AAChB,8DAA8D;AAC9D,IAAI,IAAI,GAAG,OAAO,CAAC,MAAM,CAAC,CAAC;AAiClB,oBAAI;AA/Bb,IAAI;IACF,wEAAwE;IACxE,eAAA,IAAI,GAAG,OAAO,CAAC,UAAU,CAAC,CAAC;CAC5B;AAAC,MAAM,GAAE,CAAC,sBAAsB;AAEjC,gBAAgB;AACH,QAAA,WAAW,GAAG,IAAI,CAAC,WAAmC,CAAC;AACpE,gBAAgB;AACH,QAAA,SAAS,GAAG,IAAI,CAAC,SAA+B,CAAC;AAC9D,gBAAgB;AACH,QAAA,mBAAmB,GAAG,IAAI,CAAC,mBAAmD,CAAC;AAE5F,6BAgBc;AAfZ,8FAAA,MAAM,OAAA;AACN,kGAAA,UAAU,OAAA;AACV,kGAAA,UAAU,OAAA;AACV,4FAAA,IAAI,OAAA;AACJ,6FAAA,KAAK,OAAA;AACL,kGAAA,UAAU,OAAA;AAEV,8FAAA,MAAM,OAAA;AACN,6FAAA,KAAK,OAAA;AACL,4FAAA,IAAI,OAAA;AACJ,2FAAA,GAAG,OAAA;AACH,8FAAA,MAAM,OAAA;AACN,8FAAA,MAAM,OAAA;AACN,gGAAA,QAAQ,OAAA;AACR,iGAAA,SAAS,OAAA;AA4BX,SAAgB,yBAAyB,CAAC,OAA6B;IACrE,MAAM,EACJ,WAAW,EACX,aAAa,EACb,cAAc,EACd,YAAY,EACZ,kBAAkB,EAClB,eAAe,EACf,UAAU,EACV,GAAG,EACH,oBAAoB,EACrB,GAAG,OAAO,CAAC;IACZ,OAAO;QACL,WAAW;QACX,aAAa;QACb,cAAc;QACd,YAAY;QACZ,kBAAkB;QAClB,eAAe;QACf,UAAU;QACV,GAAG;QACH,oBAAoB;KACrB,CAAC;AACJ,CAAC;AAvBD,8DAuBC;AAED;;;;;GAKG;AACH,SAAgB,kBAAkB,CAChC,OAA8B,EAC9B,MAA+C;;IAE/C,MAAM,aAAa,GAAG,MAAM,aAAN,MAAM,uBAAN,MAAM,CAAE,WAAW,CAAC;IAC1C,OAAO;QACL,GAAG,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,GAAG,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,GAAG,mCAAI,KAAK;QAChD,YAAY,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,YAAY,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,YAAY,mCAAI,IAAI;QAC1E,aAAa,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,aAAa,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,aAAa,mCAAI,IAAI;QAC7E,cAAc,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,cAAc,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,cAAc,mCAAI,KAAK;QACjF,eAAe,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,eAAe,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,eAAe,mCAAI,KAAK;QACpF,UAAU,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,UAAU,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,UAAU,mCAAI,KAAK;QACrE,kBAAkB,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,kBAAkB,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,kBAAkB,mCAAI,KAAK;QAC7F,WAAW,EAAE,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,WAAW,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,WAAW,mCAAI,EAAE;QACrE,oBAAoB,EAClB,MAAA,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,oBAAoB,mCAAI,aAAa,aAAb,aAAa,uBAAb,aAAa,CAAE,oBAAoB,mCAAI,IAAI;KAC/E,CAAC;AACJ,CAAC;AAjBD,gDAiBC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/bulk/common.js b/node_modules/mongoose/node_modules/mongodb/lib/bulk/common.js
new file mode 100644
index 000000000..68bfe8823
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/bulk/common.js
@@ -0,0 +1,967 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.BulkOperationBase = exports.FindOperators = exports.MongoBulkWriteError = exports.mergeBatchResults = exports.WriteError = exports.WriteConcernError = exports.BulkWriteResult = exports.Batch = exports.BatchType = void 0;
+const bson_1 = require("../bson");
+const error_1 = require("../error");
+const delete_1 = require("../operations/delete");
+const execute_operation_1 = require("../operations/execute_operation");
+const insert_1 = require("../operations/insert");
+const operation_1 = require("../operations/operation");
+const update_1 = require("../operations/update");
+const promise_provider_1 = require("../promise_provider");
+const utils_1 = require("../utils");
+const write_concern_1 = require("../write_concern");
+/** @internal */
+const kServerError = Symbol('serverError');
+/** @public */
+exports.BatchType = Object.freeze({
+    INSERT: 1,
+    UPDATE: 2,
+    DELETE: 3
+});
+/**
+ * Keeps the state of a unordered batch so we can rewrite the results
+ * correctly after command execution
+ *
+ * @public
+ */
+class Batch {
+    constructor(batchType, originalZeroIndex) {
+        this.originalZeroIndex = originalZeroIndex;
+        this.currentIndex = 0;
+        this.originalIndexes = [];
+        this.batchType = batchType;
+        this.operations = [];
+        this.size = 0;
+        this.sizeBytes = 0;
+    }
+}
+exports.Batch = Batch;
+/**
+ * @public
+ * The result of a bulk write.
+ */
+class BulkWriteResult {
+    /**
+     * Create a new BulkWriteResult instance
+     * @internal
+     */
+    constructor(bulkResult) {
+        this.result = bulkResult;
+    }
+    /** Number of documents inserted. */
+    get insertedCount() {
+        var _a;
+        return (_a = this.result.nInserted) !== null && _a !== void 0 ? _a : 0;
+    }
+    /** Number of documents matched for update. */
+    get matchedCount() {
+        var _a;
+        return (_a = this.result.nMatched) !== null && _a !== void 0 ? _a : 0;
+    }
+    /** Number of documents modified. */
+    get modifiedCount() {
+        var _a;
+        return (_a = this.result.nModified) !== null && _a !== void 0 ? _a : 0;
+    }
+    /** Number of documents deleted. */
+    get deletedCount() {
+        var _a;
+        return (_a = this.result.nRemoved) !== null && _a !== void 0 ? _a : 0;
+    }
+    /** Number of documents upserted. */
+    get upsertedCount() {
+        var _a;
+        return (_a = this.result.upserted.length) !== null && _a !== void 0 ? _a : 0;
+    }
+    /** Upserted document generated Id's, hash key is the index of the originating operation */
+    get upsertedIds() {
+        var _a;
+        const upserted = {};
+        for (const doc of (_a = this.result.upserted) !== null && _a !== void 0 ? _a : []) {
+            upserted[doc.index] = doc._id;
+        }
+        return upserted;
+    }
+    /** Inserted document generated Id's, hash key is the index of the originating operation */
+    get insertedIds() {
+        var _a;
+        const inserted = {};
+        for (const doc of (_a = this.result.insertedIds) !== null && _a !== void 0 ? _a : []) {
+            inserted[doc.index] = doc._id;
+        }
+        return inserted;
+    }
+    /** Evaluates to true if the bulk operation correctly executes */
+    get ok() {
+        return this.result.ok;
+    }
+    /** The number of inserted documents */
+    get nInserted() {
+        return this.result.nInserted;
+    }
+    /** Number of upserted documents */
+    get nUpserted() {
+        return this.result.nUpserted;
+    }
+    /** Number of matched documents */
+    get nMatched() {
+        return this.result.nMatched;
+    }
+    /** Number of documents updated physically on disk */
+    get nModified() {
+        return this.result.nModified;
+    }
+    /** Number of removed documents */
+    get nRemoved() {
+        return this.result.nRemoved;
+    }
+    /** Returns an array of all inserted ids */
+    getInsertedIds() {
+        return this.result.insertedIds;
+    }
+    /** Returns an array of all upserted ids */
+    getUpsertedIds() {
+        return this.result.upserted;
+    }
+    /** Returns the upserted id at the given index */
+    getUpsertedIdAt(index) {
+        return this.result.upserted[index];
+    }
+    /** Returns raw internal result */
+    getRawResponse() {
+        return this.result;
+    }
+    /** Returns true if the bulk operation contains a write error */
+    hasWriteErrors() {
+        return this.result.writeErrors.length > 0;
+    }
+    /** Returns the number of write errors off the bulk operation */
+    getWriteErrorCount() {
+        return this.result.writeErrors.length;
+    }
+    /** Returns a specific write error object */
+    getWriteErrorAt(index) {
+        return index < this.result.writeErrors.length ? this.result.writeErrors[index] : undefined;
+    }
+    /** Retrieve all write errors */
+    getWriteErrors() {
+        return this.result.writeErrors;
+    }
+    /** Retrieve lastOp if available */
+    getLastOp() {
+        return this.result.opTime;
+    }
+    /** Retrieve the write concern error if one exists */
+    getWriteConcernError() {
+        if (this.result.writeConcernErrors.length === 0) {
+            return;
+        }
+        else if (this.result.writeConcernErrors.length === 1) {
+            // Return the error
+            return this.result.writeConcernErrors[0];
+        }
+        else {
+            // Combine the errors
+            let errmsg = '';
+            for (let i = 0; i < this.result.writeConcernErrors.length; i++) {
+                const err = this.result.writeConcernErrors[i];
+                errmsg = errmsg + err.errmsg;
+                // TODO: Something better
+                if (i === 0)
+                    errmsg = errmsg + ' and ';
+            }
+            return new WriteConcernError({ errmsg, code: error_1.MONGODB_ERROR_CODES.WriteConcernFailed });
+        }
+    }
+    toJSON() {
+        return this.result;
+    }
+    toString() {
+        return `BulkWriteResult(${this.toJSON()})`;
+    }
+    isOk() {
+        return this.result.ok === 1;
+    }
+}
+exports.BulkWriteResult = BulkWriteResult;
+/**
+ * An error representing a failure by the server to apply the requested write concern to the bulk operation.
+ * @public
+ * @category Error
+ */
+class WriteConcernError {
+    constructor(error) {
+        this[kServerError] = error;
+    }
+    /** Write concern error code. */
+    get code() {
+        return this[kServerError].code;
+    }
+    /** Write concern error message. */
+    get errmsg() {
+        return this[kServerError].errmsg;
+    }
+    /** Write concern error info. */
+    get errInfo() {
+        return this[kServerError].errInfo;
+    }
+    /** @deprecated The `err` prop that contained a MongoServerError has been deprecated. */
+    get err() {
+        return this[kServerError];
+    }
+    toJSON() {
+        return this[kServerError];
+    }
+    toString() {
+        return `WriteConcernError(${this.errmsg})`;
+    }
+}
+exports.WriteConcernError = WriteConcernError;
+/**
+ * An error that occurred during a BulkWrite on the server.
+ * @public
+ * @category Error
+ */
+class WriteError {
+    constructor(err) {
+        this.err = err;
+    }
+    /** WriteError code. */
+    get code() {
+        return this.err.code;
+    }
+    /** WriteError original bulk operation index. */
+    get index() {
+        return this.err.index;
+    }
+    /** WriteError message. */
+    get errmsg() {
+        return this.err.errmsg;
+    }
+    /** WriteError details. */
+    get errInfo() {
+        return this.err.errInfo;
+    }
+    /** Returns the underlying operation that caused the error */
+    getOperation() {
+        return this.err.op;
+    }
+    toJSON() {
+        return { code: this.err.code, index: this.err.index, errmsg: this.err.errmsg, op: this.err.op };
+    }
+    toString() {
+        return `WriteError(${JSON.stringify(this.toJSON())})`;
+    }
+}
+exports.WriteError = WriteError;
+/** Converts the number to a Long or returns it. */
+function longOrConvert(value) {
+    // TODO(NODE-2674): Preserve int64 sent from MongoDB
+    return typeof value === 'number' ? bson_1.Long.fromNumber(value) : value;
+}
+/** Merges results into shared data structure */
+function mergeBatchResults(batch, bulkResult, err, result) {
+    // If we have an error set the result to be the err object
+    if (err) {
+        result = err;
+    }
+    else if (result && result.result) {
+        result = result.result;
+    }
+    if (result == null) {
+        return;
+    }
+    // Do we have a top level error stop processing and return
+    if (result.ok === 0 && bulkResult.ok === 1) {
+        bulkResult.ok = 0;
+        const writeError = {
+            index: 0,
+            code: result.code || 0,
+            errmsg: result.message,
+            errInfo: result.errInfo,
+            op: batch.operations[0]
+        };
+        bulkResult.writeErrors.push(new WriteError(writeError));
+        return;
+    }
+    else if (result.ok === 0 && bulkResult.ok === 0) {
+        return;
+    }
+    // The server write command specification states that lastOp is an optional
+    // mongod only field that has a type of timestamp. Across various scarce specs
+    // where opTime is mentioned, it is an "opaque" object that can have a "ts" and
+    // "t" field with Timestamp and Long as their types respectively.
+    // The "lastOp" field of the bulk write result is never mentioned in the driver
+    // specifications or the bulk write spec, so we should probably just keep its
+    // value consistent since it seems to vary.
+    // See: https://github.com/mongodb/specifications/blob/master/source/driver-bulk-update.rst#results-object
+    if (result.opTime || result.lastOp) {
+        let opTime = result.lastOp || result.opTime;
+        // If the opTime is a Timestamp, convert it to a consistent format to be
+        // able to compare easily. Converting to the object from a timestamp is
+        // much more straightforward than the other direction.
+        if (opTime._bsontype === 'Timestamp') {
+            opTime = { ts: opTime, t: bson_1.Long.ZERO };
+        }
+        // If there's no lastOp, just set it.
+        if (!bulkResult.opTime) {
+            bulkResult.opTime = opTime;
+        }
+        else {
+            // First compare the ts values and set if the opTimeTS value is greater.
+            const lastOpTS = longOrConvert(bulkResult.opTime.ts);
+            const opTimeTS = longOrConvert(opTime.ts);
+            if (opTimeTS.greaterThan(lastOpTS)) {
+                bulkResult.opTime = opTime;
+            }
+            else if (opTimeTS.equals(lastOpTS)) {
+                // If the ts values are equal, then compare using the t values.
+                const lastOpT = longOrConvert(bulkResult.opTime.t);
+                const opTimeT = longOrConvert(opTime.t);
+                if (opTimeT.greaterThan(lastOpT)) {
+                    bulkResult.opTime = opTime;
+                }
+            }
+        }
+    }
+    // If we have an insert Batch type
+    if (isInsertBatch(batch) && result.n) {
+        bulkResult.nInserted = bulkResult.nInserted + result.n;
+    }
+    // If we have an insert Batch type
+    if (isDeleteBatch(batch) && result.n) {
+        bulkResult.nRemoved = bulkResult.nRemoved + result.n;
+    }
+    let nUpserted = 0;
+    // We have an array of upserted values, we need to rewrite the indexes
+    if (Array.isArray(result.upserted)) {
+        nUpserted = result.upserted.length;
+        for (let i = 0; i < result.upserted.length; i++) {
+            bulkResult.upserted.push({
+                index: result.upserted[i].index + batch.originalZeroIndex,
+                _id: result.upserted[i]._id
+            });
+        }
+    }
+    else if (result.upserted) {
+        nUpserted = 1;
+        bulkResult.upserted.push({
+            index: batch.originalZeroIndex,
+            _id: result.upserted
+        });
+    }
+    // If we have an update Batch type
+    if (isUpdateBatch(batch) && result.n) {
+        const nModified = result.nModified;
+        bulkResult.nUpserted = bulkResult.nUpserted + nUpserted;
+        bulkResult.nMatched = bulkResult.nMatched + (result.n - nUpserted);
+        if (typeof nModified === 'number') {
+            bulkResult.nModified = bulkResult.nModified + nModified;
+        }
+        else {
+            bulkResult.nModified = 0;
+        }
+    }
+    if (Array.isArray(result.writeErrors)) {
+        for (let i = 0; i < result.writeErrors.length; i++) {
+            const writeError = {
+                index: batch.originalIndexes[result.writeErrors[i].index],
+                code: result.writeErrors[i].code,
+                errmsg: result.writeErrors[i].errmsg,
+                errInfo: result.writeErrors[i].errInfo,
+                op: batch.operations[result.writeErrors[i].index]
+            };
+            bulkResult.writeErrors.push(new WriteError(writeError));
+        }
+    }
+    if (result.writeConcernError) {
+        bulkResult.writeConcernErrors.push(new WriteConcernError(result.writeConcernError));
+    }
+}
+exports.mergeBatchResults = mergeBatchResults;
+function executeCommands(bulkOperation, options, callback) {
+    if (bulkOperation.s.batches.length === 0) {
+        return callback(undefined, new BulkWriteResult(bulkOperation.s.bulkResult));
+    }
+    const batch = bulkOperation.s.batches.shift();
+    function resultHandler(err, result) {
+        // Error is a driver related error not a bulk op error, return early
+        if (err && 'message' in err && !(err instanceof error_1.MongoWriteConcernError)) {
+            return callback(new MongoBulkWriteError(err, new BulkWriteResult(bulkOperation.s.bulkResult)));
+        }
+        if (err instanceof error_1.MongoWriteConcernError) {
+            return handleMongoWriteConcernError(batch, bulkOperation.s.bulkResult, err, callback);
+        }
+        // Merge the results together
+        const writeResult = new BulkWriteResult(bulkOperation.s.bulkResult);
+        const mergeResult = mergeBatchResults(batch, bulkOperation.s.bulkResult, err, result);
+        if (mergeResult != null) {
+            return callback(undefined, writeResult);
+        }
+        if (bulkOperation.handleWriteError(callback, writeResult))
+            return;
+        // Execute the next command in line
+        executeCommands(bulkOperation, options, callback);
+    }
+    const finalOptions = (0, utils_1.resolveOptions)(bulkOperation, {
+        ...options,
+        ordered: bulkOperation.isOrdered
+    });
+    if (finalOptions.bypassDocumentValidation !== true) {
+        delete finalOptions.bypassDocumentValidation;
+    }
+    // Set an operationIf if provided
+    if (bulkOperation.operationId) {
+        resultHandler.operationId = bulkOperation.operationId;
+    }
+    // Is the bypassDocumentValidation options specific
+    if (bulkOperation.s.bypassDocumentValidation === true) {
+        finalOptions.bypassDocumentValidation = true;
+    }
+    // Is the checkKeys option disabled
+    if (bulkOperation.s.checkKeys === false) {
+        finalOptions.checkKeys = false;
+    }
+    if (finalOptions.retryWrites) {
+        if (isUpdateBatch(batch)) {
+            finalOptions.retryWrites = finalOptions.retryWrites && !batch.operations.some(op => op.multi);
+        }
+        if (isDeleteBatch(batch)) {
+            finalOptions.retryWrites =
+                finalOptions.retryWrites && !batch.operations.some(op => op.limit === 0);
+        }
+    }
+    try {
+        if (isInsertBatch(batch)) {
+            (0, execute_operation_1.executeOperation)(bulkOperation.s.collection.s.db.s.client, new insert_1.InsertOperation(bulkOperation.s.namespace, batch.operations, finalOptions), resultHandler);
+        }
+        else if (isUpdateBatch(batch)) {
+            (0, execute_operation_1.executeOperation)(bulkOperation.s.collection.s.db.s.client, new update_1.UpdateOperation(bulkOperation.s.namespace, batch.operations, finalOptions), resultHandler);
+        }
+        else if (isDeleteBatch(batch)) {
+            (0, execute_operation_1.executeOperation)(bulkOperation.s.collection.s.db.s.client, new delete_1.DeleteOperation(bulkOperation.s.namespace, batch.operations, finalOptions), resultHandler);
+        }
+    }
+    catch (err) {
+        // Force top level error
+        err.ok = 0;
+        // Merge top level error and return
+        mergeBatchResults(batch, bulkOperation.s.bulkResult, err, undefined);
+        callback();
+    }
+}
+function handleMongoWriteConcernError(batch, bulkResult, err, callback) {
+    var _a, _b;
+    mergeBatchResults(batch, bulkResult, undefined, err.result);
+    callback(new MongoBulkWriteError({
+        message: (_a = err.result) === null || _a === void 0 ? void 0 : _a.writeConcernError.errmsg,
+        code: (_b = err.result) === null || _b === void 0 ? void 0 : _b.writeConcernError.result
+    }, new BulkWriteResult(bulkResult)));
+}
+/**
+ * An error indicating an unsuccessful Bulk Write
+ * @public
+ * @category Error
+ */
+class MongoBulkWriteError extends error_1.MongoServerError {
+    /** Creates a new MongoBulkWriteError */
+    constructor(error, result) {
+        var _a;
+        super(error);
+        this.writeErrors = [];
+        if (error instanceof WriteConcernError)
+            this.err = error;
+        else if (!(error instanceof Error)) {
+            this.message = error.message;
+            this.code = error.code;
+            this.writeErrors = (_a = error.writeErrors) !== null && _a !== void 0 ? _a : [];
+        }
+        this.result = result;
+        Object.assign(this, error);
+    }
+    get name() {
+        return 'MongoBulkWriteError';
+    }
+    /** Number of documents inserted. */
+    get insertedCount() {
+        return this.result.insertedCount;
+    }
+    /** Number of documents matched for update. */
+    get matchedCount() {
+        return this.result.matchedCount;
+    }
+    /** Number of documents modified. */
+    get modifiedCount() {
+        return this.result.modifiedCount;
+    }
+    /** Number of documents deleted. */
+    get deletedCount() {
+        return this.result.deletedCount;
+    }
+    /** Number of documents upserted. */
+    get upsertedCount() {
+        return this.result.upsertedCount;
+    }
+    /** Inserted document generated Id's, hash key is the index of the originating operation */
+    get insertedIds() {
+        return this.result.insertedIds;
+    }
+    /** Upserted document generated Id's, hash key is the index of the originating operation */
+    get upsertedIds() {
+        return this.result.upsertedIds;
+    }
+}
+exports.MongoBulkWriteError = MongoBulkWriteError;
+/**
+ * A builder object that is returned from {@link BulkOperationBase#find}.
+ * Is used to build a write operation that involves a query filter.
+ *
+ * @public
+ */
+class FindOperators {
+    /**
+     * Creates a new FindOperators object.
+     * @internal
+     */
+    constructor(bulkOperation) {
+        this.bulkOperation = bulkOperation;
+    }
+    /** Add a multiple update operation to the bulk operation */
+    update(updateDocument) {
+        const currentOp = buildCurrentOp(this.bulkOperation);
+        return this.bulkOperation.addToOperationsList(exports.BatchType.UPDATE, (0, update_1.makeUpdateStatement)(currentOp.selector, updateDocument, {
+            ...currentOp,
+            multi: true
+        }));
+    }
+    /** Add a single update operation to the bulk operation */
+    updateOne(updateDocument) {
+        if (!(0, utils_1.hasAtomicOperators)(updateDocument)) {
+            throw new error_1.MongoInvalidArgumentError('Update document requires atomic operators');
+        }
+        const currentOp = buildCurrentOp(this.bulkOperation);
+        return this.bulkOperation.addToOperationsList(exports.BatchType.UPDATE, (0, update_1.makeUpdateStatement)(currentOp.selector, updateDocument, { ...currentOp, multi: false }));
+    }
+    /** Add a replace one operation to the bulk operation */
+    replaceOne(replacement) {
+        if ((0, utils_1.hasAtomicOperators)(replacement)) {
+            throw new error_1.MongoInvalidArgumentError('Replacement document must not use atomic operators');
+        }
+        const currentOp = buildCurrentOp(this.bulkOperation);
+        return this.bulkOperation.addToOperationsList(exports.BatchType.UPDATE, (0, update_1.makeUpdateStatement)(currentOp.selector, replacement, { ...currentOp, multi: false }));
+    }
+    /** Add a delete one operation to the bulk operation */
+    deleteOne() {
+        const currentOp = buildCurrentOp(this.bulkOperation);
+        return this.bulkOperation.addToOperationsList(exports.BatchType.DELETE, (0, delete_1.makeDeleteStatement)(currentOp.selector, { ...currentOp, limit: 1 }));
+    }
+    /** Add a delete many operation to the bulk operation */
+    delete() {
+        const currentOp = buildCurrentOp(this.bulkOperation);
+        return this.bulkOperation.addToOperationsList(exports.BatchType.DELETE, (0, delete_1.makeDeleteStatement)(currentOp.selector, { ...currentOp, limit: 0 }));
+    }
+    /** Upsert modifier for update bulk operation, noting that this operation is an upsert. */
+    upsert() {
+        if (!this.bulkOperation.s.currentOp) {
+            this.bulkOperation.s.currentOp = {};
+        }
+        this.bulkOperation.s.currentOp.upsert = true;
+        return this;
+    }
+    /** Specifies the collation for the query condition. */
+    collation(collation) {
+        if (!this.bulkOperation.s.currentOp) {
+            this.bulkOperation.s.currentOp = {};
+        }
+        this.bulkOperation.s.currentOp.collation = collation;
+        return this;
+    }
+    /** Specifies arrayFilters for UpdateOne or UpdateMany bulk operations. */
+    arrayFilters(arrayFilters) {
+        if (!this.bulkOperation.s.currentOp) {
+            this.bulkOperation.s.currentOp = {};
+        }
+        this.bulkOperation.s.currentOp.arrayFilters = arrayFilters;
+        return this;
+    }
+}
+exports.FindOperators = FindOperators;
+/**
+ * TODO(NODE-4063)
+ * BulkWrites merge complexity is implemented in executeCommands
+ * This provides a vehicle to treat bulkOperations like any other operation (hence "shim")
+ * We would like this logic to simply live inside the BulkWriteOperation class
+ * @internal
+ */
+class BulkWriteShimOperation extends operation_1.AbstractOperation {
+    constructor(bulkOperation, options) {
+        super(options);
+        this.bulkOperation = bulkOperation;
+    }
+    execute(server, session, callback) {
+        if (this.options.session == null) {
+            // An implicit session could have been created by 'executeOperation'
+            // So if we stick it on finalOptions here, each bulk operation
+            // will use this same session, it'll be passed in the same way
+            // an explicit session would be
+            this.options.session = session;
+        }
+        return executeCommands(this.bulkOperation, this.options, callback);
+    }
+}
+/** @public */
+class BulkOperationBase {
+    /**
+     * Create a new OrderedBulkOperation or UnorderedBulkOperation instance
+     * @internal
+     */
+    constructor(collection, options, isOrdered) {
+        // determine whether bulkOperation is ordered or unordered
+        this.isOrdered = isOrdered;
+        const topology = (0, utils_1.getTopology)(collection);
+        options = options == null ? {} : options;
+        // TODO Bring from driver information in hello
+        // Get the namespace for the write operations
+        const namespace = collection.s.namespace;
+        // Used to mark operation as executed
+        const executed = false;
+        // Current item
+        const currentOp = undefined;
+        // Set max byte size
+        const hello = topology.lastHello();
+        // If we have autoEncryption on, batch-splitting must be done on 2mb chunks, but single documents
+        // over 2mb are still allowed
+        const usingAutoEncryption = !!(topology.s.options && topology.s.options.autoEncrypter);
+        const maxBsonObjectSize = hello && hello.maxBsonObjectSize ? hello.maxBsonObjectSize : 1024 * 1024 * 16;
+        const maxBatchSizeBytes = usingAutoEncryption ? 1024 * 1024 * 2 : maxBsonObjectSize;
+        const maxWriteBatchSize = hello && hello.maxWriteBatchSize ? hello.maxWriteBatchSize : 1000;
+        // Calculates the largest possible size of an Array key, represented as a BSON string
+        // element. This calculation:
+        //     1 byte for BSON type
+        //     # of bytes = length of (string representation of (maxWriteBatchSize - 1))
+        //   + 1 bytes for null terminator
+        const maxKeySize = (maxWriteBatchSize - 1).toString(10).length + 2;
+        // Final options for retryable writes
+        let finalOptions = Object.assign({}, options);
+        finalOptions = (0, utils_1.applyRetryableWrites)(finalOptions, collection.s.db);
+        // Final results
+        const bulkResult = {
+            ok: 1,
+            writeErrors: [],
+            writeConcernErrors: [],
+            insertedIds: [],
+            nInserted: 0,
+            nUpserted: 0,
+            nMatched: 0,
+            nModified: 0,
+            nRemoved: 0,
+            upserted: []
+        };
+        // Internal state
+        this.s = {
+            // Final result
+            bulkResult,
+            // Current batch state
+            currentBatch: undefined,
+            currentIndex: 0,
+            // ordered specific
+            currentBatchSize: 0,
+            currentBatchSizeBytes: 0,
+            // unordered specific
+            currentInsertBatch: undefined,
+            currentUpdateBatch: undefined,
+            currentRemoveBatch: undefined,
+            batches: [],
+            // Write concern
+            writeConcern: write_concern_1.WriteConcern.fromOptions(options),
+            // Max batch size options
+            maxBsonObjectSize,
+            maxBatchSizeBytes,
+            maxWriteBatchSize,
+            maxKeySize,
+            // Namespace
+            namespace,
+            // Topology
+            topology,
+            // Options
+            options: finalOptions,
+            // BSON options
+            bsonOptions: (0, bson_1.resolveBSONOptions)(options),
+            // Current operation
+            currentOp,
+            // Executed
+            executed,
+            // Collection
+            collection,
+            // Fundamental error
+            err: undefined,
+            // check keys
+            checkKeys: typeof options.checkKeys === 'boolean' ? options.checkKeys : false
+        };
+        // bypass Validation
+        if (options.bypassDocumentValidation === true) {
+            this.s.bypassDocumentValidation = true;
+        }
+    }
+    /**
+     * Add a single insert document to the bulk operation
+     *
+     * @example
+     * ```js
+     * const bulkOp = collection.initializeOrderedBulkOp();
+     *
+     * // Adds three inserts to the bulkOp.
+     * bulkOp
+     *   .insert({ a: 1 })
+     *   .insert({ b: 2 })
+     *   .insert({ c: 3 });
+     * await bulkOp.execute();
+     * ```
+     */
+    insert(document) {
+        if (document._id == null && !shouldForceServerObjectId(this)) {
+            document._id = new bson_1.ObjectId();
+        }
+        return this.addToOperationsList(exports.BatchType.INSERT, document);
+    }
+    /**
+     * Builds a find operation for an update/updateOne/delete/deleteOne/replaceOne.
+     * Returns a builder object used to complete the definition of the operation.
+     *
+     * @example
+     * ```js
+     * const bulkOp = collection.initializeOrderedBulkOp();
+     *
+     * // Add an updateOne to the bulkOp
+     * bulkOp.find({ a: 1 }).updateOne({ $set: { b: 2 } });
+     *
+     * // Add an updateMany to the bulkOp
+     * bulkOp.find({ c: 3 }).update({ $set: { d: 4 } });
+     *
+     * // Add an upsert
+     * bulkOp.find({ e: 5 }).upsert().updateOne({ $set: { f: 6 } });
+     *
+     * // Add a deletion
+     * bulkOp.find({ g: 7 }).deleteOne();
+     *
+     * // Add a multi deletion
+     * bulkOp.find({ h: 8 }).delete();
+     *
+     * // Add a replaceOne
+     * bulkOp.find({ i: 9 }).replaceOne({writeConcern: { j: 10 }});
+     *
+     * // Update using a pipeline (requires Mongodb 4.2 or higher)
+     * bulk.find({ k: 11, y: { $exists: true }, z: { $exists: true } }).updateOne([
+     *   { $set: { total: { $sum: [ '$y', '$z' ] } } }
+     * ]);
+     *
+     * // All of the ops will now be executed
+     * await bulkOp.execute();
+     * ```
+     */
+    find(selector) {
+        if (!selector) {
+            throw new error_1.MongoInvalidArgumentError('Bulk find operation must specify a selector');
+        }
+        // Save a current selector
+        this.s.currentOp = {
+            selector: selector
+        };
+        return new FindOperators(this);
+    }
+    /** Specifies a raw operation to perform in the bulk write. */
+    raw(op) {
+        if (op == null || typeof op !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Operation must be an object with an operation key');
+        }
+        if ('insertOne' in op) {
+            const forceServerObjectId = shouldForceServerObjectId(this);
+            if (op.insertOne && op.insertOne.document == null) {
+                // NOTE: provided for legacy support, but this is a malformed operation
+                if (forceServerObjectId !== true && op.insertOne._id == null) {
+                    op.insertOne._id = new bson_1.ObjectId();
+                }
+                return this.addToOperationsList(exports.BatchType.INSERT, op.insertOne);
+            }
+            if (forceServerObjectId !== true && op.insertOne.document._id == null) {
+                op.insertOne.document._id = new bson_1.ObjectId();
+            }
+            return this.addToOperationsList(exports.BatchType.INSERT, op.insertOne.document);
+        }
+        if ('replaceOne' in op || 'updateOne' in op || 'updateMany' in op) {
+            if ('replaceOne' in op) {
+                if ('q' in op.replaceOne) {
+                    throw new error_1.MongoInvalidArgumentError('Raw operations are not allowed');
+                }
+                const updateStatement = (0, update_1.makeUpdateStatement)(op.replaceOne.filter, op.replaceOne.replacement, { ...op.replaceOne, multi: false });
+                if ((0, utils_1.hasAtomicOperators)(updateStatement.u)) {
+                    throw new error_1.MongoInvalidArgumentError('Replacement document must not use atomic operators');
+                }
+                return this.addToOperationsList(exports.BatchType.UPDATE, updateStatement);
+            }
+            if ('updateOne' in op) {
+                if ('q' in op.updateOne) {
+                    throw new error_1.MongoInvalidArgumentError('Raw operations are not allowed');
+                }
+                const updateStatement = (0, update_1.makeUpdateStatement)(op.updateOne.filter, op.updateOne.update, {
+                    ...op.updateOne,
+                    multi: false
+                });
+                if (!(0, utils_1.hasAtomicOperators)(updateStatement.u)) {
+                    throw new error_1.MongoInvalidArgumentError('Update document requires atomic operators');
+                }
+                return this.addToOperationsList(exports.BatchType.UPDATE, updateStatement);
+            }
+            if ('updateMany' in op) {
+                if ('q' in op.updateMany) {
+                    throw new error_1.MongoInvalidArgumentError('Raw operations are not allowed');
+                }
+                const updateStatement = (0, update_1.makeUpdateStatement)(op.updateMany.filter, op.updateMany.update, {
+                    ...op.updateMany,
+                    multi: true
+                });
+                if (!(0, utils_1.hasAtomicOperators)(updateStatement.u)) {
+                    throw new error_1.MongoInvalidArgumentError('Update document requires atomic operators');
+                }
+                return this.addToOperationsList(exports.BatchType.UPDATE, updateStatement);
+            }
+        }
+        if ('deleteOne' in op) {
+            if ('q' in op.deleteOne) {
+                throw new error_1.MongoInvalidArgumentError('Raw operations are not allowed');
+            }
+            return this.addToOperationsList(exports.BatchType.DELETE, (0, delete_1.makeDeleteStatement)(op.deleteOne.filter, { ...op.deleteOne, limit: 1 }));
+        }
+        if ('deleteMany' in op) {
+            if ('q' in op.deleteMany) {
+                throw new error_1.MongoInvalidArgumentError('Raw operations are not allowed');
+            }
+            return this.addToOperationsList(exports.BatchType.DELETE, (0, delete_1.makeDeleteStatement)(op.deleteMany.filter, { ...op.deleteMany, limit: 0 }));
+        }
+        // otherwise an unknown operation was provided
+        throw new error_1.MongoInvalidArgumentError('bulkWrite only supports insertOne, updateOne, updateMany, deleteOne, deleteMany');
+    }
+    get bsonOptions() {
+        return this.s.bsonOptions;
+    }
+    get writeConcern() {
+        return this.s.writeConcern;
+    }
+    get batches() {
+        const batches = [...this.s.batches];
+        if (this.isOrdered) {
+            if (this.s.currentBatch)
+                batches.push(this.s.currentBatch);
+        }
+        else {
+            if (this.s.currentInsertBatch)
+                batches.push(this.s.currentInsertBatch);
+            if (this.s.currentUpdateBatch)
+                batches.push(this.s.currentUpdateBatch);
+            if (this.s.currentRemoveBatch)
+                batches.push(this.s.currentRemoveBatch);
+        }
+        return batches;
+    }
+    execute(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        if (this.s.executed) {
+            return handleEarlyError(new error_1.MongoBatchReExecutionError(), callback);
+        }
+        const writeConcern = write_concern_1.WriteConcern.fromOptions(options);
+        if (writeConcern) {
+            this.s.writeConcern = writeConcern;
+        }
+        // If we have current batch
+        if (this.isOrdered) {
+            if (this.s.currentBatch)
+                this.s.batches.push(this.s.currentBatch);
+        }
+        else {
+            if (this.s.currentInsertBatch)
+                this.s.batches.push(this.s.currentInsertBatch);
+            if (this.s.currentUpdateBatch)
+                this.s.batches.push(this.s.currentUpdateBatch);
+            if (this.s.currentRemoveBatch)
+                this.s.batches.push(this.s.currentRemoveBatch);
+        }
+        // If we have no operations in the bulk raise an error
+        if (this.s.batches.length === 0) {
+            const emptyBatchError = new error_1.MongoInvalidArgumentError('Invalid BulkOperation, Batch cannot be empty');
+            return handleEarlyError(emptyBatchError, callback);
+        }
+        this.s.executed = true;
+        const finalOptions = { ...this.s.options, ...options };
+        const operation = new BulkWriteShimOperation(this, finalOptions);
+        return (0, execute_operation_1.executeOperation)(this.s.collection.s.db.s.client, operation, callback);
+    }
+    /**
+     * Handles the write error before executing commands
+     * @internal
+     */
+    handleWriteError(callback, writeResult) {
+        if (this.s.bulkResult.writeErrors.length > 0) {
+            const msg = this.s.bulkResult.writeErrors[0].errmsg
+                ? this.s.bulkResult.writeErrors[0].errmsg
+                : 'write operation failed';
+            callback(new MongoBulkWriteError({
+                message: msg,
+                code: this.s.bulkResult.writeErrors[0].code,
+                writeErrors: this.s.bulkResult.writeErrors
+            }, writeResult));
+            return true;
+        }
+        const writeConcernError = writeResult.getWriteConcernError();
+        if (writeConcernError) {
+            callback(new MongoBulkWriteError(writeConcernError, writeResult));
+            return true;
+        }
+        return false;
+    }
+}
+exports.BulkOperationBase = BulkOperationBase;
+Object.defineProperty(BulkOperationBase.prototype, 'length', {
+    enumerable: true,
+    get() {
+        return this.s.currentIndex;
+    }
+});
+/** helper function to assist with promiseOrCallback behavior */
+function handleEarlyError(err, callback) {
+    const Promise = promise_provider_1.PromiseProvider.get();
+    if (typeof callback === 'function') {
+        callback(err);
+        return;
+    }
+    return Promise.reject(err);
+}
+function shouldForceServerObjectId(bulkOperation) {
+    var _a, _b;
+    if (typeof bulkOperation.s.options.forceServerObjectId === 'boolean') {
+        return bulkOperation.s.options.forceServerObjectId;
+    }
+    if (typeof ((_a = bulkOperation.s.collection.s.db.options) === null || _a === void 0 ? void 0 : _a.forceServerObjectId) === 'boolean') {
+        return (_b = bulkOperation.s.collection.s.db.options) === null || _b === void 0 ? void 0 : _b.forceServerObjectId;
+    }
+    return false;
+}
+function isInsertBatch(batch) {
+    return batch.batchType === exports.BatchType.INSERT;
+}
+function isUpdateBatch(batch) {
+    return batch.batchType === exports.BatchType.UPDATE;
+}
+function isDeleteBatch(batch) {
+    return batch.batchType === exports.BatchType.DELETE;
+}
+function buildCurrentOp(bulkOp) {
+    let { currentOp } = bulkOp.s;
+    bulkOp.s.currentOp = undefined;
+    if (!currentOp)
+        currentOp = {};
+    return currentOp;
+}
+//# sourceMappingURL=common.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/bulk/common.js.map b/node_modules/mongoose/node_modules/mongodb/lib/bulk/common.js.map
new file mode 100644
index 000000000..b92a8c6a9
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/bulk/common.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/bulk/ordered.js b/node_modules/mongoose/node_modules/mongodb/lib/bulk/ordered.js
new file mode 100644
index 000000000..f7e5418d7
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/bulk/ordered.js
@@ -0,0 +1,66 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.OrderedBulkOperation = void 0;
+const BSON = require("../bson");
+const error_1 = require("../error");
+const common_1 = require("./common");
+/** @public */
+class OrderedBulkOperation extends common_1.BulkOperationBase {
+    constructor(collection, options) {
+        super(collection, options, true);
+    }
+    addToOperationsList(batchType, document) {
+        // Get the bsonSize
+        const bsonSize = BSON.calculateObjectSize(document, {
+            checkKeys: false,
+            // Since we don't know what the user selected for BSON options here,
+            // err on the safe side, and check the size with ignoreUndefined: false.
+            ignoreUndefined: false
+        });
+        // Throw error if the doc is bigger than the max BSON size
+        if (bsonSize >= this.s.maxBsonObjectSize)
+            // TODO(NODE-3483): Change this to MongoBSONError
+            throw new error_1.MongoInvalidArgumentError(`Document is larger than the maximum size ${this.s.maxBsonObjectSize}`);
+        // Create a new batch object if we don't have a current one
+        if (this.s.currentBatch == null) {
+            this.s.currentBatch = new common_1.Batch(batchType, this.s.currentIndex);
+        }
+        const maxKeySize = this.s.maxKeySize;
+        // Check if we need to create a new batch
+        if (
+        // New batch if we exceed the max batch op size
+        this.s.currentBatchSize + 1 >= this.s.maxWriteBatchSize ||
+            // New batch if we exceed the maxBatchSizeBytes. Only matters if batch already has a doc,
+            // since we can't sent an empty batch
+            (this.s.currentBatchSize > 0 &&
+                this.s.currentBatchSizeBytes + maxKeySize + bsonSize >= this.s.maxBatchSizeBytes) ||
+            // New batch if the new op does not have the same op type as the current batch
+            this.s.currentBatch.batchType !== batchType) {
+            // Save the batch to the execution stack
+            this.s.batches.push(this.s.currentBatch);
+            // Create a new batch
+            this.s.currentBatch = new common_1.Batch(batchType, this.s.currentIndex);
+            // Reset the current size trackers
+            this.s.currentBatchSize = 0;
+            this.s.currentBatchSizeBytes = 0;
+        }
+        if (batchType === common_1.BatchType.INSERT) {
+            this.s.bulkResult.insertedIds.push({
+                index: this.s.currentIndex,
+                _id: document._id
+            });
+        }
+        // We have an array of documents
+        if (Array.isArray(document)) {
+            throw new error_1.MongoInvalidArgumentError('Operation passed in cannot be an Array');
+        }
+        this.s.currentBatch.originalIndexes.push(this.s.currentIndex);
+        this.s.currentBatch.operations.push(document);
+        this.s.currentBatchSize += 1;
+        this.s.currentBatchSizeBytes += maxKeySize + bsonSize;
+        this.s.currentIndex += 1;
+        return this;
+    }
+}
+exports.OrderedBulkOperation = OrderedBulkOperation;
+//# sourceMappingURL=ordered.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/bulk/ordered.js.map b/node_modules/mongoose/node_modules/mongodb/lib/bulk/ordered.js.map
new file mode 100644
index 000000000..4058c1cde
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/bulk/ordered.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"ordered.js","sourceRoot":"","sources":["../../src/bulk/ordered.ts"],"names":[],"mappings":";;;AACA,gCAAgC;AAEhC,oCAAqD;AAGrD,qCAAiF;AAEjF,cAAc;AACd,MAAa,oBAAqB,SAAQ,0BAAiB;IACzD,YAAY,UAAsB,EAAE,OAAyB;QAC3D,KAAK,CAAC,UAAU,EAAE,OAAO,EAAE,IAAI,CAAC,CAAC;IACnC,CAAC;IAED,mBAAmB,CACjB,SAAoB,EACpB,QAAsD;QAEtD,mBAAmB;QACnB,MAAM,QAAQ,GAAG,IAAI,CAAC,mBAAmB,CAAC,QAAQ,EAAE;YAClD,SAAS,EAAE,KAAK;YAChB,oEAAoE;YACpE,wEAAwE;YACxE,eAAe,EAAE,KAAK;SAChB,CAAC,CAAC;QAEV,0DAA0D;QAC1D,IAAI,QAAQ,IAAI,IAAI,CAAC,CAAC,CAAC,iBAAiB;YACtC,iDAAiD;YACjD,MAAM,IAAI,iCAAyB,CACjC,4CAA4C,IAAI,CAAC,CAAC,CAAC,iBAAiB,EAAE,CACvE,CAAC;QAEJ,2DAA2D;QAC3D,IAAI,IAAI,CAAC,CAAC,CAAC,YAAY,IAAI,IAAI,EAAE;YAC/B,IAAI,CAAC,CAAC,CAAC,YAAY,GAAG,IAAI,cAAK,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,CAAC;SACjE;QAED,MAAM,UAAU,GAAG,IAAI,CAAC,CAAC,CAAC,UAAU,CAAC;QAErC,yCAAyC;QACzC;QACE,+CAA+C;QAC/C,IAAI,CAAC,CAAC,CAAC,gBAAgB,GAAG,CAAC,IAAI,IAAI,CAAC,CAAC,CAAC,iBAAiB;YACvD,yFAAyF;YACzF,qCAAqC;YACrC,CAAC,IAAI,CAAC,CAAC,CAAC,gBAAgB,GAAG,CAAC;gBAC1B,IAAI,CAAC,CAAC,CAAC,qBAAqB,GAAG,UAAU,GAAG,QAAQ,IAAI,IAAI,CAAC,CAAC,CAAC,iBAAiB,CAAC;YACnF,8EAA8E;YAC9E,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,SAAS,KAAK,SAAS,EAC3C;YACA,wCAAwC;YACxC,IAAI,CAAC,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,CAAC;YAEzC,qBAAqB;YACrB,IAAI,CAAC,CAAC,CAAC,YAAY,GAAG,IAAI,cAAK,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,CAAC;YAEhE,kCAAkC;YAClC,IAAI,CAAC,CAAC,CAAC,gBAAgB,GAAG,CAAC,CAAC;YAC5B,IAAI,CAAC,CAAC,CAAC,qBAAqB,GAAG,CAAC,CAAC;SAClC;QAED,IAAI,SAAS,KAAK,kBAAS,CAAC,MAAM,EAAE;YAClC,IAAI,CAAC,CAAC,CAAC,UAAU,CAAC,WAAW,CAAC,IAAI,CAAC;gBACjC,KAAK,EAAE,IAAI,CAAC,CAAC,CAAC,YAAY;gBAC1B,GAAG,EAAG,QAAqB,CAAC,GAAG;aAChC,CAAC,CAAC;SACJ;QAED,gCAAgC;QAChC,IAAI,KAAK,CAAC,OAAO,CAAC,QAAQ,CAAC,EAAE;YAC3B,MAAM,IAAI,iCAAyB,CAAC,wCAAwC,CAAC,CAAC;SAC/E;QAED,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,eAAe,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,CAAC;QAC9D,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,UAAU,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC;QAC9C,IAAI,CAAC,CAAC,CAAC,gBAAgB,IAAI,CAAC,CAAC;QAC7B,IAAI,CAAC,CAAC,CAAC,qBAAqB,IAAI,UAAU,GAAG,QAAQ,CAAC;QACtD,IAAI,CAAC,CAAC,CAAC,YAAY,IAAI,CAAC,CAAC;QACzB,OAAO,IAAI,CAAC;IACd,CAAC;CACF;AAxED,oDAwEC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/bulk/unordered.js b/node_modules/mongoose/node_modules/mongodb/lib/bulk/unordered.js
new file mode 100644
index 000000000..f5a34180e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/bulk/unordered.js
@@ -0,0 +1,91 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.UnorderedBulkOperation = void 0;
+const BSON = require("../bson");
+const error_1 = require("../error");
+const common_1 = require("./common");
+/** @public */
+class UnorderedBulkOperation extends common_1.BulkOperationBase {
+    constructor(collection, options) {
+        super(collection, options, false);
+    }
+    handleWriteError(callback, writeResult) {
+        if (this.s.batches.length) {
+            return false;
+        }
+        return super.handleWriteError(callback, writeResult);
+    }
+    addToOperationsList(batchType, document) {
+        // Get the bsonSize
+        const bsonSize = BSON.calculateObjectSize(document, {
+            checkKeys: false,
+            // Since we don't know what the user selected for BSON options here,
+            // err on the safe side, and check the size with ignoreUndefined: false.
+            ignoreUndefined: false
+        });
+        // Throw error if the doc is bigger than the max BSON size
+        if (bsonSize >= this.s.maxBsonObjectSize) {
+            // TODO(NODE-3483): Change this to MongoBSONError
+            throw new error_1.MongoInvalidArgumentError(`Document is larger than the maximum size ${this.s.maxBsonObjectSize}`);
+        }
+        // Holds the current batch
+        this.s.currentBatch = undefined;
+        // Get the right type of batch
+        if (batchType === common_1.BatchType.INSERT) {
+            this.s.currentBatch = this.s.currentInsertBatch;
+        }
+        else if (batchType === common_1.BatchType.UPDATE) {
+            this.s.currentBatch = this.s.currentUpdateBatch;
+        }
+        else if (batchType === common_1.BatchType.DELETE) {
+            this.s.currentBatch = this.s.currentRemoveBatch;
+        }
+        const maxKeySize = this.s.maxKeySize;
+        // Create a new batch object if we don't have a current one
+        if (this.s.currentBatch == null) {
+            this.s.currentBatch = new common_1.Batch(batchType, this.s.currentIndex);
+        }
+        // Check if we need to create a new batch
+        if (
+        // New batch if we exceed the max batch op size
+        this.s.currentBatch.size + 1 >= this.s.maxWriteBatchSize ||
+            // New batch if we exceed the maxBatchSizeBytes. Only matters if batch already has a doc,
+            // since we can't sent an empty batch
+            (this.s.currentBatch.size > 0 &&
+                this.s.currentBatch.sizeBytes + maxKeySize + bsonSize >= this.s.maxBatchSizeBytes) ||
+            // New batch if the new op does not have the same op type as the current batch
+            this.s.currentBatch.batchType !== batchType) {
+            // Save the batch to the execution stack
+            this.s.batches.push(this.s.currentBatch);
+            // Create a new batch
+            this.s.currentBatch = new common_1.Batch(batchType, this.s.currentIndex);
+        }
+        // We have an array of documents
+        if (Array.isArray(document)) {
+            throw new error_1.MongoInvalidArgumentError('Operation passed in cannot be an Array');
+        }
+        this.s.currentBatch.operations.push(document);
+        this.s.currentBatch.originalIndexes.push(this.s.currentIndex);
+        this.s.currentIndex = this.s.currentIndex + 1;
+        // Save back the current Batch to the right type
+        if (batchType === common_1.BatchType.INSERT) {
+            this.s.currentInsertBatch = this.s.currentBatch;
+            this.s.bulkResult.insertedIds.push({
+                index: this.s.bulkResult.insertedIds.length,
+                _id: document._id
+            });
+        }
+        else if (batchType === common_1.BatchType.UPDATE) {
+            this.s.currentUpdateBatch = this.s.currentBatch;
+        }
+        else if (batchType === common_1.BatchType.DELETE) {
+            this.s.currentRemoveBatch = this.s.currentBatch;
+        }
+        // Update current batch size
+        this.s.currentBatch.size += 1;
+        this.s.currentBatch.sizeBytes += maxKeySize + bsonSize;
+        return this;
+    }
+}
+exports.UnorderedBulkOperation = UnorderedBulkOperation;
+//# sourceMappingURL=unordered.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/bulk/unordered.js.map b/node_modules/mongoose/node_modules/mongodb/lib/bulk/unordered.js.map
new file mode 100644
index 000000000..476e1998e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/bulk/unordered.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"unordered.js","sourceRoot":"","sources":["../../src/bulk/unordered.ts"],"names":[],"mappings":";;;AACA,gCAAgC;AAEhC,oCAAqD;AAIrD,qCAAkG;AAElG,cAAc;AACd,MAAa,sBAAuB,SAAQ,0BAAiB;IAC3D,YAAY,UAAsB,EAAE,OAAyB;QAC3D,KAAK,CAAC,UAAU,EAAE,OAAO,EAAE,KAAK,CAAC,CAAC;IACpC,CAAC;IAEQ,gBAAgB,CAAC,QAAkB,EAAE,WAA4B;QACxE,IAAI,IAAI,CAAC,CAAC,CAAC,OAAO,CAAC,MAAM,EAAE;YACzB,OAAO,KAAK,CAAC;SACd;QAED,OAAO,KAAK,CAAC,gBAAgB,CAAC,QAAQ,EAAE,WAAW,CAAC,CAAC;IACvD,CAAC;IAED,mBAAmB,CACjB,SAAoB,EACpB,QAAsD;QAEtD,mBAAmB;QACnB,MAAM,QAAQ,GAAG,IAAI,CAAC,mBAAmB,CAAC,QAAQ,EAAE;YAClD,SAAS,EAAE,KAAK;YAEhB,oEAAoE;YACpE,wEAAwE;YACxE,eAAe,EAAE,KAAK;SAChB,CAAC,CAAC;QAEV,0DAA0D;QAC1D,IAAI,QAAQ,IAAI,IAAI,CAAC,CAAC,CAAC,iBAAiB,EAAE;YACxC,iDAAiD;YACjD,MAAM,IAAI,iCAAyB,CACjC,4CAA4C,IAAI,CAAC,CAAC,CAAC,iBAAiB,EAAE,CACvE,CAAC;SACH;QAED,0BAA0B;QAC1B,IAAI,CAAC,CAAC,CAAC,YAAY,GAAG,SAAS,CAAC;QAChC,8BAA8B;QAC9B,IAAI,SAAS,KAAK,kBAAS,CAAC,MAAM,EAAE;YAClC,IAAI,CAAC,CAAC,CAAC,YAAY,GAAG,IAAI,CAAC,CAAC,CAAC,kBAAkB,CAAC;SACjD;aAAM,IAAI,SAAS,KAAK,kBAAS,CAAC,MAAM,EAAE;YACzC,IAAI,CAAC,CAAC,CAAC,YAAY,GAAG,IAAI,CAAC,CAAC,CAAC,kBAAkB,CAAC;SACjD;aAAM,IAAI,SAAS,KAAK,kBAAS,CAAC,MAAM,EAAE;YACzC,IAAI,CAAC,CAAC,CAAC,YAAY,GAAG,IAAI,CAAC,CAAC,CAAC,kBAAkB,CAAC;SACjD;QAED,MAAM,UAAU,GAAG,IAAI,CAAC,CAAC,CAAC,UAAU,CAAC;QAErC,2DAA2D;QAC3D,IAAI,IAAI,CAAC,CAAC,CAAC,YAAY,IAAI,IAAI,EAAE;YAC/B,IAAI,CAAC,CAAC,CAAC,YAAY,GAAG,IAAI,cAAK,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,CAAC;SACjE;QAED,yCAAyC;QACzC;QACE,+CAA+C;QAC/C,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,IAAI,GAAG,CAAC,IAAI,IAAI,CAAC,CAAC,CAAC,iBAAiB;YACxD,yFAAyF;YACzF,qCAAqC;YACrC,CAAC,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,IAAI,GAAG,CAAC;gBAC3B,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,SAAS,GAAG,UAAU,GAAG,QAAQ,IAAI,IAAI,CAAC,CAAC,CAAC,iBAAiB,CAAC;YACpF,8EAA8E;YAC9E,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,SAAS,KAAK,SAAS,EAC3C;YACA,wCAAwC;YACxC,IAAI,CAAC,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,CAAC;YAEzC,qBAAqB;YACrB,IAAI,CAAC,CAAC,CAAC,YAAY,GAAG,IAAI,cAAK,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,CAAC;SACjE;QAED,gCAAgC;QAChC,IAAI,KAAK,CAAC,OAAO,CAAC,QAAQ,CAAC,EAAE;YAC3B,MAAM,IAAI,iCAAyB,CAAC,wCAAwC,CAAC,CAAC;SAC/E;QAED,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,UAAU,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAC;QAC9C,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,eAAe,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,CAAC;QAC9D,IAAI,CAAC,CAAC,CAAC,YAAY,GAAG,IAAI,CAAC,CAAC,CAAC,YAAY,GAAG,CAAC,CAAC;QAE9C,gDAAgD;QAChD,IAAI,SAAS,KAAK,kBAAS,CAAC,MAAM,EAAE;YAClC,IAAI,CAAC,CAAC,CAAC,kBAAkB,GAAG,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC;YAChD,IAAI,CAAC,CAAC,CAAC,UAAU,CAAC,WAAW,CAAC,IAAI,CAAC;gBACjC,KAAK,EAAE,IAAI,CAAC,CAAC,CAAC,UAAU,CAAC,WAAW,CAAC,MAAM;gBAC3C,GAAG,EAAG,QAAqB,CAAC,GAAG;aAChC,CAAC,CAAC;SACJ;aAAM,IAAI,SAAS,KAAK,kBAAS,CAAC,MAAM,EAAE;YACzC,IAAI,CAAC,CAAC,CAAC,kBAAkB,GAAG,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC;SACjD;aAAM,IAAI,SAAS,KAAK,kBAAS,CAAC,MAAM,EAAE;YACzC,IAAI,CAAC,CAAC,CAAC,kBAAkB,GAAG,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC;SACjD;QAED,4BAA4B;QAC5B,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,IAAI,IAAI,CAAC,CAAC;QAC9B,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC,SAAS,IAAI,UAAU,GAAG,QAAQ,CAAC;QAEvD,OAAO,IAAI,CAAC;IACd,CAAC;CACF;AAlGD,wDAkGC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/change_stream.js b/node_modules/mongoose/node_modules/mongodb/lib/change_stream.js
new file mode 100644
index 000000000..49ef1bc3e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/change_stream.js
@@ -0,0 +1,374 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ChangeStream = void 0;
+const util_1 = require("util");
+const collection_1 = require("./collection");
+const constants_1 = require("./constants");
+const change_stream_cursor_1 = require("./cursor/change_stream_cursor");
+const db_1 = require("./db");
+const error_1 = require("./error");
+const mongo_client_1 = require("./mongo_client");
+const mongo_types_1 = require("./mongo_types");
+const utils_1 = require("./utils");
+/** @internal */
+const kCursorStream = Symbol('cursorStream');
+/** @internal */
+const kClosed = Symbol('closed');
+/** @internal */
+const kMode = Symbol('mode');
+const CHANGE_STREAM_OPTIONS = [
+    'resumeAfter',
+    'startAfter',
+    'startAtOperationTime',
+    'fullDocument',
+    'fullDocumentBeforeChange',
+    'showExpandedEvents'
+];
+const CHANGE_DOMAIN_TYPES = {
+    COLLECTION: Symbol('Collection'),
+    DATABASE: Symbol('Database'),
+    CLUSTER: Symbol('Cluster')
+};
+const CHANGE_STREAM_EVENTS = [constants_1.RESUME_TOKEN_CHANGED, constants_1.END, constants_1.CLOSE];
+const NO_RESUME_TOKEN_ERROR = 'A change stream document has been received that lacks a resume token (_id).';
+const CHANGESTREAM_CLOSED_ERROR = 'ChangeStream is closed';
+/**
+ * Creates a new Change Stream instance. Normally created using {@link Collection#watch|Collection.watch()}.
+ * @public
+ */
+class ChangeStream extends mongo_types_1.TypedEventEmitter {
+    /**
+     * @internal
+     *
+     * @param parent - The parent object that created this change stream
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents
+     */
+    constructor(parent, pipeline = [], options = {}) {
+        super();
+        /**
+         * @internal
+         *
+         * TODO(NODE-4320): promisify selectServer and refactor this code to be async
+         *
+         * we promisify _processErrorIteratorModeCallback until we have a promisifed version of selectServer.
+         */
+        // eslint-disable-next-line @typescript-eslint/unbound-method
+        this._processErrorIteratorMode = (0, util_1.promisify)(this._processErrorIteratorModeCallback);
+        this.pipeline = pipeline;
+        this.options = options;
+        if (parent instanceof collection_1.Collection) {
+            this.type = CHANGE_DOMAIN_TYPES.COLLECTION;
+        }
+        else if (parent instanceof db_1.Db) {
+            this.type = CHANGE_DOMAIN_TYPES.DATABASE;
+        }
+        else if (parent instanceof mongo_client_1.MongoClient) {
+            this.type = CHANGE_DOMAIN_TYPES.CLUSTER;
+        }
+        else {
+            throw new error_1.MongoChangeStreamError('Parent provided to ChangeStream constructor must be an instance of Collection, Db, or MongoClient');
+        }
+        this.parent = parent;
+        this.namespace = parent.s.namespace;
+        if (!this.options.readPreference && parent.readPreference) {
+            this.options.readPreference = parent.readPreference;
+        }
+        // Create contained Change Stream cursor
+        this.cursor = this._createChangeStreamCursor(options);
+        this[kClosed] = false;
+        this[kMode] = false;
+        // Listen for any `change` listeners being added to ChangeStream
+        this.on('newListener', eventName => {
+            if (eventName === 'change' && this.cursor && this.listenerCount('change') === 0) {
+                this._streamEvents(this.cursor);
+            }
+        });
+        this.on('removeListener', eventName => {
+            var _a;
+            if (eventName === 'change' && this.listenerCount('change') === 0 && this.cursor) {
+                (_a = this[kCursorStream]) === null || _a === void 0 ? void 0 : _a.removeAllListeners('data');
+            }
+        });
+    }
+    /** @internal */
+    get cursorStream() {
+        return this[kCursorStream];
+    }
+    /** The cached resume token that is used to resume after the most recently returned change. */
+    get resumeToken() {
+        var _a;
+        return (_a = this.cursor) === null || _a === void 0 ? void 0 : _a.resumeToken;
+    }
+    hasNext(callback) {
+        this._setIsIterator();
+        // TOOD(NODE-4319): Add eslint rule preventing accidental variable shadowing
+        // Shadowing is intentional here.  We want to override the `callback` variable
+        // from the outer scope so that the inner scope doesn't accidentally call the wrong callback.
+        return (0, utils_1.maybePromise)(callback, callback => {
+            (async () => {
+                try {
+                    const hasNext = await this.cursor.hasNext();
+                    return hasNext;
+                }
+                catch (error) {
+                    try {
+                        await this._processErrorIteratorMode(error);
+                        const hasNext = await this.cursor.hasNext();
+                        return hasNext;
+                    }
+                    catch (error) {
+                        await this.close().catch(err => err);
+                        throw error;
+                    }
+                }
+            })().then(hasNext => callback(undefined, hasNext), error => callback(error));
+        });
+    }
+    next(callback) {
+        this._setIsIterator();
+        // TOOD(NODE-4319): Add eslint rule preventing accidental variable shadowing
+        // Shadowing is intentional here.  We want to override the `callback` variable
+        // from the outer scope so that the inner scope doesn't accidentally call the wrong callback.
+        return (0, utils_1.maybePromise)(callback, callback => {
+            (async () => {
+                try {
+                    const change = await this.cursor.next();
+                    const processedChange = this._processChange(change !== null && change !== void 0 ? change : null);
+                    return processedChange;
+                }
+                catch (error) {
+                    try {
+                        await this._processErrorIteratorMode(error);
+                        const change = await this.cursor.next();
+                        const processedChange = this._processChange(change !== null && change !== void 0 ? change : null);
+                        return processedChange;
+                    }
+                    catch (error) {
+                        await this.close().catch(err => err);
+                        throw error;
+                    }
+                }
+            })().then(change => callback(undefined, change), error => callback(error));
+        });
+    }
+    tryNext(callback) {
+        this._setIsIterator();
+        // TOOD(NODE-4319): Add eslint rule preventing accidental variable shadowing
+        // Shadowing is intentional here.  We want to override the `callback` variable
+        // from the outer scope so that the inner scope doesn't accidentally call the wrong callback.
+        return (0, utils_1.maybePromise)(callback, callback => {
+            (async () => {
+                try {
+                    const change = await this.cursor.tryNext();
+                    return change !== null && change !== void 0 ? change : null;
+                }
+                catch (error) {
+                    try {
+                        await this._processErrorIteratorMode(error);
+                        const change = await this.cursor.tryNext();
+                        return change !== null && change !== void 0 ? change : null;
+                    }
+                    catch (error) {
+                        await this.close().catch(err => err);
+                        throw error;
+                    }
+                }
+            })().then(change => callback(undefined, change), error => callback(error));
+        });
+    }
+    /** Is the cursor closed */
+    get closed() {
+        return this[kClosed] || this.cursor.closed;
+    }
+    close(callback) {
+        this[kClosed] = true;
+        return (0, utils_1.maybePromise)(callback, cb => {
+            const cursor = this.cursor;
+            return cursor.close(err => {
+                this._endStream();
+                return cb(err);
+            });
+        });
+    }
+    /**
+     * Return a modified Readable stream including a possible transform method.
+     *
+     * NOTE: When using a Stream to process change stream events, the stream will
+     * NOT automatically resume in the case a resumable error is encountered.
+     *
+     * @throws MongoChangeStreamError if the underlying cursor or the change stream is closed
+     */
+    stream(options) {
+        if (this.closed) {
+            throw new error_1.MongoChangeStreamError(CHANGESTREAM_CLOSED_ERROR);
+        }
+        this.streamOptions = options;
+        return this.cursor.stream(options);
+    }
+    /** @internal */
+    _setIsEmitter() {
+        if (this[kMode] === 'iterator') {
+            // TODO(NODE-3485): Replace with MongoChangeStreamModeError
+            throw new error_1.MongoAPIError('ChangeStream cannot be used as an EventEmitter after being used as an iterator');
+        }
+        this[kMode] = 'emitter';
+    }
+    /** @internal */
+    _setIsIterator() {
+        if (this[kMode] === 'emitter') {
+            // TODO(NODE-3485): Replace with MongoChangeStreamModeError
+            throw new error_1.MongoAPIError('ChangeStream cannot be used as an iterator after being used as an EventEmitter');
+        }
+        this[kMode] = 'iterator';
+    }
+    /**
+     * Create a new change stream cursor based on self's configuration
+     * @internal
+     */
+    _createChangeStreamCursor(options) {
+        const changeStreamStageOptions = (0, utils_1.filterOptions)(options, CHANGE_STREAM_OPTIONS);
+        if (this.type === CHANGE_DOMAIN_TYPES.CLUSTER) {
+            changeStreamStageOptions.allChangesForCluster = true;
+        }
+        const pipeline = [{ $changeStream: changeStreamStageOptions }, ...this.pipeline];
+        const client = this.type === CHANGE_DOMAIN_TYPES.CLUSTER
+            ? this.parent
+            : this.type === CHANGE_DOMAIN_TYPES.DATABASE
+                ? this.parent.s.client
+                : this.type === CHANGE_DOMAIN_TYPES.COLLECTION
+                    ? this.parent.s.db.s.client
+                    : null;
+        if (client == null) {
+            // This should never happen because of the assertion in the constructor
+            throw new error_1.MongoRuntimeError(`Changestream type should only be one of cluster, database, collection. Found ${this.type.toString()}`);
+        }
+        const changeStreamCursor = new change_stream_cursor_1.ChangeStreamCursor(client, this.namespace, pipeline, options);
+        for (const event of CHANGE_STREAM_EVENTS) {
+            changeStreamCursor.on(event, e => this.emit(event, e));
+        }
+        if (this.listenerCount(ChangeStream.CHANGE) > 0) {
+            this._streamEvents(changeStreamCursor);
+        }
+        return changeStreamCursor;
+    }
+    /** @internal */
+    _closeEmitterModeWithError(error) {
+        this.emit(ChangeStream.ERROR, error);
+        this.close(() => {
+            // nothing to do
+        });
+    }
+    /** @internal */
+    _streamEvents(cursor) {
+        var _a;
+        this._setIsEmitter();
+        const stream = (_a = this[kCursorStream]) !== null && _a !== void 0 ? _a : cursor.stream();
+        this[kCursorStream] = stream;
+        stream.on('data', change => {
+            try {
+                const processedChange = this._processChange(change);
+                this.emit(ChangeStream.CHANGE, processedChange);
+            }
+            catch (error) {
+                this.emit(ChangeStream.ERROR, error);
+            }
+        });
+        stream.on('error', error => this._processErrorStreamMode(error));
+    }
+    /** @internal */
+    _endStream() {
+        const cursorStream = this[kCursorStream];
+        if (cursorStream) {
+            ['data', 'close', 'end', 'error'].forEach(event => cursorStream.removeAllListeners(event));
+            cursorStream.destroy();
+        }
+        this[kCursorStream] = undefined;
+    }
+    /** @internal */
+    _processChange(change) {
+        if (this[kClosed]) {
+            // TODO(NODE-3485): Replace with MongoChangeStreamClosedError
+            throw new error_1.MongoAPIError(CHANGESTREAM_CLOSED_ERROR);
+        }
+        // a null change means the cursor has been notified, implicitly closing the change stream
+        if (change == null) {
+            // TODO(NODE-3485): Replace with MongoChangeStreamClosedError
+            throw new error_1.MongoRuntimeError(CHANGESTREAM_CLOSED_ERROR);
+        }
+        if (change && !change._id) {
+            throw new error_1.MongoChangeStreamError(NO_RESUME_TOKEN_ERROR);
+        }
+        // cache the resume token
+        this.cursor.cacheResumeToken(change._id);
+        // wipe the startAtOperationTime if there was one so that there won't be a conflict
+        // between resumeToken and startAtOperationTime if we need to reconnect the cursor
+        this.options.startAtOperationTime = undefined;
+        return change;
+    }
+    /** @internal */
+    _processErrorStreamMode(changeStreamError) {
+        // If the change stream has been closed explicitly, do not process error.
+        if (this[kClosed])
+            return;
+        if ((0, error_1.isResumableError)(changeStreamError, this.cursor.maxWireVersion)) {
+            this._endStream();
+            this.cursor.close().catch(() => null);
+            const topology = (0, utils_1.getTopology)(this.parent);
+            topology.selectServer(this.cursor.readPreference, {}, serverSelectionError => {
+                if (serverSelectionError)
+                    return this._closeEmitterModeWithError(changeStreamError);
+                this.cursor = this._createChangeStreamCursor(this.cursor.resumeOptions);
+            });
+        }
+        else {
+            this._closeEmitterModeWithError(changeStreamError);
+        }
+    }
+    /** @internal */
+    _processErrorIteratorModeCallback(changeStreamError, callback) {
+        if (this[kClosed]) {
+            // TODO(NODE-3485): Replace with MongoChangeStreamClosedError
+            return callback(new error_1.MongoAPIError(CHANGESTREAM_CLOSED_ERROR));
+        }
+        if ((0, error_1.isResumableError)(changeStreamError, this.cursor.maxWireVersion)) {
+            this.cursor.close().catch(() => null);
+            const topology = (0, utils_1.getTopology)(this.parent);
+            topology.selectServer(this.cursor.readPreference, {}, serverSelectionError => {
+                // if the topology can't reconnect, close the stream
+                if (serverSelectionError)
+                    return this.close(() => callback(changeStreamError));
+                this.cursor = this._createChangeStreamCursor(this.cursor.resumeOptions);
+                callback();
+            });
+        }
+        else {
+            this.close(() => callback(changeStreamError));
+        }
+    }
+}
+exports.ChangeStream = ChangeStream;
+/** @event */
+ChangeStream.RESPONSE = constants_1.RESPONSE;
+/** @event */
+ChangeStream.MORE = constants_1.MORE;
+/** @event */
+ChangeStream.INIT = constants_1.INIT;
+/** @event */
+ChangeStream.CLOSE = constants_1.CLOSE;
+/**
+ * Fired for each new matching change in the specified namespace. Attaching a `change`
+ * event listener to a Change Stream will switch the stream into flowing mode. Data will
+ * then be passed as soon as it is available.
+ * @event
+ */
+ChangeStream.CHANGE = constants_1.CHANGE;
+/** @event */
+ChangeStream.END = constants_1.END;
+/** @event */
+ChangeStream.ERROR = constants_1.ERROR;
+/**
+ * Emitted each time the change stream stores a new resume token.
+ * @event
+ */
+ChangeStream.RESUME_TOKEN_CHANGED = constants_1.RESUME_TOKEN_CHANGED;
+//# sourceMappingURL=change_stream.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/change_stream.js.map b/node_modules/mongoose/node_modules/mongodb/lib/change_stream.js.map
new file mode 100644
index 000000000..70ae147bb
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/change_stream.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/auth_provider.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/auth_provider.js
new file mode 100644
index 000000000..b9a840ee8
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/auth_provider.js
@@ -0,0 +1,36 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AuthProvider = exports.AuthContext = void 0;
+const error_1 = require("../../error");
+/** Context used during authentication */
+class AuthContext {
+    constructor(connection, credentials, options) {
+        this.connection = connection;
+        this.credentials = credentials;
+        this.options = options;
+    }
+}
+exports.AuthContext = AuthContext;
+class AuthProvider {
+    /**
+     * Prepare the handshake document before the initial handshake.
+     *
+     * @param handshakeDoc - The document used for the initial handshake on a connection
+     * @param authContext - Context for authentication flow
+     */
+    prepare(handshakeDoc, authContext, callback) {
+        callback(undefined, handshakeDoc);
+    }
+    /**
+     * Authenticate
+     *
+     * @param context - A shared context for authentication flow
+     * @param callback - The callback to return the result from the authentication
+     */
+    auth(context, callback) {
+        // TODO(NODE-3483): Replace this with MongoMethodOverrideError
+        callback(new error_1.MongoRuntimeError('`auth` method must be overridden by subclass'));
+    }
+}
+exports.AuthProvider = AuthProvider;
+//# sourceMappingURL=auth_provider.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/auth_provider.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/auth_provider.js.map
new file mode 100644
index 000000000..c03ab3749
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/auth_provider.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"auth_provider.js","sourceRoot":"","sources":["../../../src/cmap/auth/auth_provider.ts"],"names":[],"mappings":";;;AACA,uCAAgD;AAQhD,yCAAyC;AACzC,MAAa,WAAW;IAatB,YACE,UAAsB,EACtB,WAAyC,EACzC,OAA2B;QAE3B,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,WAAW,GAAG,WAAW,CAAC;QAC/B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;CACF;AAtBD,kCAsBC;AAED,MAAa,YAAY;IACvB;;;;;OAKG;IACH,OAAO,CACL,YAA+B,EAC/B,WAAwB,EACxB,QAAqC;QAErC,QAAQ,CAAC,SAAS,EAAE,YAAY,CAAC,CAAC;IACpC,CAAC;IAED;;;;;OAKG;IACH,IAAI,CAAC,OAAoB,EAAE,QAAkB;QAC3C,8DAA8D;QAC9D,QAAQ,CAAC,IAAI,yBAAiB,CAAC,8CAA8C,CAAC,CAAC,CAAC;IAClF,CAAC;CACF;AAzBD,oCAyBC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/gssapi.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/gssapi.js
new file mode 100644
index 000000000..0f16b587e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/gssapi.js
@@ -0,0 +1,190 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.resolveCname = exports.performGSSAPICanonicalizeHostName = exports.GSSAPI = exports.GSSAPICanonicalizationValue = void 0;
+const dns = require("dns");
+const deps_1 = require("../../deps");
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const auth_provider_1 = require("./auth_provider");
+/** @public */
+exports.GSSAPICanonicalizationValue = Object.freeze({
+    on: true,
+    off: false,
+    none: 'none',
+    forward: 'forward',
+    forwardAndReverse: 'forwardAndReverse'
+});
+class GSSAPI extends auth_provider_1.AuthProvider {
+    auth(authContext, callback) {
+        const { connection, credentials } = authContext;
+        if (credentials == null)
+            return callback(new error_1.MongoMissingCredentialsError('Credentials required for GSSAPI authentication'));
+        const { username } = credentials;
+        function externalCommand(command, cb) {
+            return connection.command((0, utils_1.ns)('$external.$cmd'), command, undefined, cb);
+        }
+        makeKerberosClient(authContext, (err, client) => {
+            if (err)
+                return callback(err);
+            if (client == null)
+                return callback(new error_1.MongoMissingDependencyError('GSSAPI client missing'));
+            client.step('', (err, payload) => {
+                if (err)
+                    return callback(err);
+                externalCommand(saslStart(payload), (err, result) => {
+                    if (err)
+                        return callback(err);
+                    if (result == null)
+                        return callback();
+                    negotiate(client, 10, result.payload, (err, payload) => {
+                        if (err)
+                            return callback(err);
+                        externalCommand(saslContinue(payload, result.conversationId), (err, result) => {
+                            if (err)
+                                return callback(err);
+                            if (result == null)
+                                return callback();
+                            finalize(client, username, result.payload, (err, payload) => {
+                                if (err)
+                                    return callback(err);
+                                externalCommand({
+                                    saslContinue: 1,
+                                    conversationId: result.conversationId,
+                                    payload
+                                }, (err, result) => {
+                                    if (err)
+                                        return callback(err);
+                                    callback(undefined, result);
+                                });
+                            });
+                        });
+                    });
+                });
+            });
+        });
+    }
+}
+exports.GSSAPI = GSSAPI;
+function makeKerberosClient(authContext, callback) {
+    var _a;
+    const { hostAddress } = authContext.options;
+    const { credentials } = authContext;
+    if (!hostAddress || typeof hostAddress.host !== 'string' || !credentials) {
+        return callback(new error_1.MongoInvalidArgumentError('Connection must have host and port and credentials defined.'));
+    }
+    if ('kModuleError' in deps_1.Kerberos) {
+        return callback(deps_1.Kerberos['kModuleError']);
+    }
+    const { initializeClient } = deps_1.Kerberos;
+    const { username, password } = credentials;
+    const mechanismProperties = credentials.mechanismProperties;
+    const serviceName = (_a = mechanismProperties.SERVICE_NAME) !== null && _a !== void 0 ? _a : 'mongodb';
+    performGSSAPICanonicalizeHostName(hostAddress.host, mechanismProperties, (err, host) => {
+        var _a;
+        if (err)
+            return callback(err);
+        const initOptions = {};
+        if (password != null) {
+            Object.assign(initOptions, { user: username, password: password });
+        }
+        const spnHost = (_a = mechanismProperties.SERVICE_HOST) !== null && _a !== void 0 ? _a : host;
+        let spn = `${serviceName}${process.platform === 'win32' ? '/' : '@'}${spnHost}`;
+        if ('SERVICE_REALM' in mechanismProperties) {
+            spn = `${spn}@${mechanismProperties.SERVICE_REALM}`;
+        }
+        initializeClient(spn, initOptions, (err, client) => {
+            // TODO(NODE-3483)
+            if (err)
+                return callback(new error_1.MongoRuntimeError(err));
+            callback(undefined, client);
+        });
+    });
+}
+function saslStart(payload) {
+    return {
+        saslStart: 1,
+        mechanism: 'GSSAPI',
+        payload,
+        autoAuthorize: 1
+    };
+}
+function saslContinue(payload, conversationId) {
+    return {
+        saslContinue: 1,
+        conversationId,
+        payload
+    };
+}
+function negotiate(client, retries, payload, callback) {
+    client.step(payload, (err, response) => {
+        // Retries exhausted, raise error
+        if (err && retries === 0)
+            return callback(err);
+        // Adjust number of retries and call step again
+        if (err)
+            return negotiate(client, retries - 1, payload, callback);
+        // Return the payload
+        callback(undefined, response || '');
+    });
+}
+function finalize(client, user, payload, callback) {
+    // GSS Client Unwrap
+    client.unwrap(payload, (err, response) => {
+        if (err)
+            return callback(err);
+        // Wrap the response
+        client.wrap(response || '', { user }, (err, wrapped) => {
+            if (err)
+                return callback(err);
+            // Return the payload
+            callback(undefined, wrapped);
+        });
+    });
+}
+function performGSSAPICanonicalizeHostName(host, mechanismProperties, callback) {
+    const mode = mechanismProperties.CANONICALIZE_HOST_NAME;
+    if (!mode || mode === exports.GSSAPICanonicalizationValue.none) {
+        return callback(undefined, host);
+    }
+    // If forward and reverse or true
+    if (mode === exports.GSSAPICanonicalizationValue.on ||
+        mode === exports.GSSAPICanonicalizationValue.forwardAndReverse) {
+        // Perform the lookup of the ip address.
+        dns.lookup(host, (error, address) => {
+            // No ip found, return the error.
+            if (error)
+                return callback(error);
+            // Perform a reverse ptr lookup on the ip address.
+            dns.resolvePtr(address, (err, results) => {
+                // This can error as ptr records may not exist for all ips. In this case
+                // fallback to a cname lookup as dns.lookup() does not return the
+                // cname.
+                if (err) {
+                    return resolveCname(host, callback);
+                }
+                // If the ptr did not error but had no results, return the host.
+                callback(undefined, results.length > 0 ? results[0] : host);
+            });
+        });
+    }
+    else {
+        // The case for forward is just to resolve the cname as dns.lookup()
+        // will not return it.
+        resolveCname(host, callback);
+    }
+}
+exports.performGSSAPICanonicalizeHostName = performGSSAPICanonicalizeHostName;
+function resolveCname(host, callback) {
+    // Attempt to resolve the host name
+    dns.resolveCname(host, (err, r) => {
+        if (err)
+            return callback(undefined, host);
+        // Get the first resolve host id
+        if (r.length > 0) {
+            return callback(undefined, r[0]);
+        }
+        callback(undefined, host);
+    });
+}
+exports.resolveCname = resolveCname;
+//# sourceMappingURL=gssapi.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/gssapi.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/gssapi.js.map
new file mode 100644
index 000000000..341c2e07a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/gssapi.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"gssapi.js","sourceRoot":"","sources":["../../../src/cmap/auth/gssapi.ts"],"names":[],"mappings":";;;AAAA,2BAA2B;AAG3B,qCAAsD;AACtD,uCAMqB;AACrB,uCAA2C;AAC3C,mDAA4D;AAE5D,cAAc;AACD,QAAA,2BAA2B,GAAG,MAAM,CAAC,MAAM,CAAC;IACvD,EAAE,EAAE,IAAI;IACR,GAAG,EAAE,KAAK;IACV,IAAI,EAAE,MAAM;IACZ,OAAO,EAAE,SAAS;IAClB,iBAAiB,EAAE,mBAAmB;CAC9B,CAAC,CAAC;AAeZ,MAAa,MAAO,SAAQ,4BAAY;IAC7B,IAAI,CAAC,WAAwB,EAAE,QAAkB;QACxD,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,GAAG,WAAW,CAAC;QAChD,IAAI,WAAW,IAAI,IAAI;YACrB,OAAO,QAAQ,CACb,IAAI,oCAA4B,CAAC,gDAAgD,CAAC,CACnF,CAAC;QACJ,MAAM,EAAE,QAAQ,EAAE,GAAG,WAAW,CAAC;QACjC,SAAS,eAAe,CACtB,OAAiB,EACjB,EAAsD;YAEtD,OAAO,UAAU,CAAC,OAAO,CAAC,IAAA,UAAE,EAAC,gBAAgB,CAAC,EAAE,OAAO,EAAE,SAAS,EAAE,EAAE,CAAC,CAAC;QAC1E,CAAC;QACD,kBAAkB,CAAC,WAAW,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;YAC9C,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC9B,IAAI,MAAM,IAAI,IAAI;gBAAE,OAAO,QAAQ,CAAC,IAAI,mCAA2B,CAAC,uBAAuB,CAAC,CAAC,CAAC;YAC9F,MAAM,CAAC,IAAI,CAAC,EAAE,EAAE,CAAC,GAAG,EAAE,OAAO,EAAE,EAAE;gBAC/B,IAAI,GAAG;oBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;gBAE9B,eAAe,CAAC,SAAS,CAAC,OAAO,CAAC,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;oBAClD,IAAI,GAAG;wBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;oBAC9B,IAAI,MAAM,IAAI,IAAI;wBAAE,OAAO,QAAQ,EAAE,CAAC;oBACtC,SAAS,CAAC,MAAM,EAAE,EAAE,EAAE,MAAM,CAAC,OAAO,EAAE,CAAC,GAAG,EAAE,OAAO,EAAE,EAAE;wBACrD,IAAI,GAAG;4BAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;wBAE9B,eAAe,CAAC,YAAY,CAAC,OAAO,EAAE,MAAM,CAAC,cAAc,CAAC,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;4BAC5E,IAAI,GAAG;gCAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;4BAC9B,IAAI,MAAM,IAAI,IAAI;gCAAE,OAAO,QAAQ,EAAE,CAAC;4BACtC,QAAQ,CAAC,MAAM,EAAE,QAAQ,EAAE,MAAM,CAAC,OAAO,EAAE,CAAC,GAAG,EAAE,OAAO,EAAE,EAAE;gCAC1D,IAAI,GAAG;oCAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;gCAE9B,eAAe,CACb;oCACE,YAAY,EAAE,CAAC;oCACf,cAAc,EAAE,MAAM,CAAC,cAAc;oCACrC,OAAO;iCACR,EACD,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;oCACd,IAAI,GAAG;wCAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;oCAE9B,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,CAAC;gCAC9B,CAAC,CACF,CAAC;4BACJ,CAAC,CAAC,CAAC;wBACL,CAAC,CAAC,CAAC;oBACL,CAAC,CAAC,CAAC;gBACL,CAAC,CAAC,CAAC;YACL,CAAC,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAnDD,wBAmDC;AAED,SAAS,kBAAkB,CAAC,WAAwB,EAAE,QAAkC;;IACtF,MAAM,EAAE,WAAW,EAAE,GAAG,WAAW,CAAC,OAAO,CAAC;IAC5C,MAAM,EAAE,WAAW,EAAE,GAAG,WAAW,CAAC;IACpC,IAAI,CAAC,WAAW,IAAI,OAAO,WAAW,CAAC,IAAI,KAAK,QAAQ,IAAI,CAAC,WAAW,EAAE;QACxE,OAAO,QAAQ,CACb,IAAI,iCAAyB,CAAC,6DAA6D,CAAC,CAC7F,CAAC;KACH;IAED,IAAI,cAAc,IAAI,eAAQ,EAAE;QAC9B,OAAO,QAAQ,CAAC,eAAQ,CAAC,cAAc,CAAC,CAAC,CAAC;KAC3C;IACD,MAAM,EAAE,gBAAgB,EAAE,GAAG,eAAQ,CAAC;IAEtC,MAAM,EAAE,QAAQ,EAAE,QAAQ,EAAE,GAAG,WAAW,CAAC;IAC3C,MAAM,mBAAmB,GAAG,WAAW,CAAC,mBAA0C,CAAC;IAEnF,MAAM,WAAW,GAAG,MAAA,mBAAmB,CAAC,YAAY,mCAAI,SAAS,CAAC;IAElE,iCAAiC,CAC/B,WAAW,CAAC,IAAI,EAChB,mBAAmB,EACnB,CAAC,GAAwB,EAAE,IAAa,EAAE,EAAE;;QAC1C,IAAI,GAAG;YAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;QAE9B,MAAM,WAAW,GAAG,EAAE,CAAC;QACvB,IAAI,QAAQ,IAAI,IAAI,EAAE;YACpB,MAAM,CAAC,MAAM,CAAC,WAAW,EAAE,EAAE,IAAI,EAAE,QAAQ,EAAE,QAAQ,EAAE,QAAQ,EAAE,CAAC,CAAC;SACpE;QAED,MAAM,OAAO,GAAG,MAAA,mBAAmB,CAAC,YAAY,mCAAI,IAAI,CAAC;QACzD,IAAI,GAAG,GAAG,GAAG,WAAW,GAAG,OAAO,CAAC,QAAQ,KAAK,OAAO,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,GAAG,GAAG,OAAO,EAAE,CAAC;QAChF,IAAI,eAAe,IAAI,mBAAmB,EAAE;YAC1C,GAAG,GAAG,GAAG,GAAG,IAAI,mBAAmB,CAAC,aAAa,EAAE,CAAC;SACrD;QAED,gBAAgB,CAAC,GAAG,EAAE,WAAW,EAAE,CAAC,GAAW,EAAE,MAAsB,EAAQ,EAAE;YAC/E,kBAAkB;YAClB,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,GAAG,CAAC,CAAC,CAAC;YACrD,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,CAAC;QAC9B,CAAC,CAAC,CAAC;IACL,CAAC,CACF,CAAC;AACJ,CAAC;AAED,SAAS,SAAS,CAAC,OAAgB;IACjC,OAAO;QACL,SAAS,EAAE,CAAC;QACZ,SAAS,EAAE,QAAQ;QACnB,OAAO;QACP,aAAa,EAAE,CAAC;KACjB,CAAC;AACJ,CAAC;AAED,SAAS,YAAY,CAAC,OAAgB,EAAE,cAAuB;IAC7D,OAAO;QACL,YAAY,EAAE,CAAC;QACf,cAAc;QACd,OAAO;KACR,CAAC;AACJ,CAAC;AAED,SAAS,SAAS,CAChB,MAAsB,EACtB,OAAe,EACf,OAAe,EACf,QAA0B;IAE1B,MAAM,CAAC,IAAI,CAAC,OAAO,EAAE,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;QACrC,iCAAiC;QACjC,IAAI,GAAG,IAAI,OAAO,KAAK,CAAC;YAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;QAE/C,+CAA+C;QAC/C,IAAI,GAAG;YAAE,OAAO,SAAS,CAAC,MAAM,EAAE,OAAO,GAAG,CAAC,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;QAElE,qBAAqB;QACrB,QAAQ,CAAC,SAAS,EAAE,QAAQ,IAAI,EAAE,CAAC,CAAC;IACtC,CAAC,CAAC,CAAC;AACL,CAAC;AAED,SAAS,QAAQ,CACf,MAAsB,EACtB,IAAY,EACZ,OAAe,EACf,QAA0B;IAE1B,oBAAoB;IACpB,MAAM,CAAC,MAAM,CAAC,OAAO,EAAE,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;QACvC,IAAI,GAAG;YAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;QAE9B,oBAAoB;QACpB,MAAM,CAAC,IAAI,CAAC,QAAQ,IAAI,EAAE,EAAE,EAAE,IAAI,EAAE,EAAE,CAAC,GAAG,EAAE,OAAO,EAAE,EAAE;YACrD,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAE9B,qBAAqB;YACrB,QAAQ,CAAC,SAAS,EAAE,OAAO,CAAC,CAAC;QAC/B,CAAC,CAAC,CAAC;IACL,CAAC,CAAC,CAAC;AACL,CAAC;AAED,SAAgB,iCAAiC,CAC/C,IAAY,EACZ,mBAAwC,EACxC,QAA0B;IAE1B,MAAM,IAAI,GAAG,mBAAmB,CAAC,sBAAsB,CAAC;IACxD,IAAI,CAAC,IAAI,IAAI,IAAI,KAAK,mCAA2B,CAAC,IAAI,EAAE;QACtD,OAAO,QAAQ,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC;KAClC;IAED,iCAAiC;IACjC,IACE,IAAI,KAAK,mCAA2B,CAAC,EAAE;QACvC,IAAI,KAAK,mCAA2B,CAAC,iBAAiB,EACtD;QACA,wCAAwC;QACxC,GAAG,CAAC,MAAM,CAAC,IAAI,EAAE,CAAC,KAAK,EAAE,OAAO,EAAE,EAAE;YAClC,iCAAiC;YACjC,IAAI,KAAK;gBAAE,OAAO,Q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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongo_credentials.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongo_credentials.js
new file mode 100644
index 000000000..7fe66e5b5
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongo_credentials.js
@@ -0,0 +1,134 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MongoCredentials = void 0;
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const gssapi_1 = require("./gssapi");
+const providers_1 = require("./providers");
+// https://github.com/mongodb/specifications/blob/master/source/auth/auth.rst
+function getDefaultAuthMechanism(hello) {
+    if (hello) {
+        // If hello contains saslSupportedMechs, use scram-sha-256
+        // if it is available, else scram-sha-1
+        if (Array.isArray(hello.saslSupportedMechs)) {
+            return hello.saslSupportedMechs.includes(providers_1.AuthMechanism.MONGODB_SCRAM_SHA256)
+                ? providers_1.AuthMechanism.MONGODB_SCRAM_SHA256
+                : providers_1.AuthMechanism.MONGODB_SCRAM_SHA1;
+        }
+        // Fallback to legacy selection method. If wire version >= 3, use scram-sha-1
+        if (hello.maxWireVersion >= 3) {
+            return providers_1.AuthMechanism.MONGODB_SCRAM_SHA1;
+        }
+    }
+    // Default for wireprotocol < 3
+    return providers_1.AuthMechanism.MONGODB_CR;
+}
+/**
+ * A representation of the credentials used by MongoDB
+ * @public
+ */
+class MongoCredentials {
+    constructor(options) {
+        this.username = options.username;
+        this.password = options.password;
+        this.source = options.source;
+        if (!this.source && options.db) {
+            this.source = options.db;
+        }
+        this.mechanism = options.mechanism || providers_1.AuthMechanism.MONGODB_DEFAULT;
+        this.mechanismProperties = options.mechanismProperties || {};
+        if (this.mechanism.match(/MONGODB-AWS/i)) {
+            if (!this.username && process.env.AWS_ACCESS_KEY_ID) {
+                this.username = process.env.AWS_ACCESS_KEY_ID;
+            }
+            if (!this.password && process.env.AWS_SECRET_ACCESS_KEY) {
+                this.password = process.env.AWS_SECRET_ACCESS_KEY;
+            }
+            if (this.mechanismProperties.AWS_SESSION_TOKEN == null &&
+                process.env.AWS_SESSION_TOKEN != null) {
+                this.mechanismProperties = {
+                    ...this.mechanismProperties,
+                    AWS_SESSION_TOKEN: process.env.AWS_SESSION_TOKEN
+                };
+            }
+        }
+        if ('gssapiCanonicalizeHostName' in this.mechanismProperties) {
+            (0, utils_1.emitWarningOnce)('gssapiCanonicalizeHostName is deprecated. Please use CANONICALIZE_HOST_NAME instead.');
+            this.mechanismProperties.CANONICALIZE_HOST_NAME =
+                this.mechanismProperties.gssapiCanonicalizeHostName;
+        }
+        Object.freeze(this.mechanismProperties);
+        Object.freeze(this);
+    }
+    /** Determines if two MongoCredentials objects are equivalent */
+    equals(other) {
+        return (this.mechanism === other.mechanism &&
+            this.username === other.username &&
+            this.password === other.password &&
+            this.source === other.source);
+    }
+    /**
+     * If the authentication mechanism is set to "default", resolves the authMechanism
+     * based on the server version and server supported sasl mechanisms.
+     *
+     * @param hello - A hello response from the server
+     */
+    resolveAuthMechanism(hello) {
+        // If the mechanism is not "default", then it does not need to be resolved
+        if (this.mechanism.match(/DEFAULT/i)) {
+            return new MongoCredentials({
+                username: this.username,
+                password: this.password,
+                source: this.source,
+                mechanism: getDefaultAuthMechanism(hello),
+                mechanismProperties: this.mechanismProperties
+            });
+        }
+        return this;
+    }
+    validate() {
+        var _a;
+        if ((this.mechanism === providers_1.AuthMechanism.MONGODB_GSSAPI ||
+            this.mechanism === providers_1.AuthMechanism.MONGODB_CR ||
+            this.mechanism === providers_1.AuthMechanism.MONGODB_PLAIN ||
+            this.mechanism === providers_1.AuthMechanism.MONGODB_SCRAM_SHA1 ||
+            this.mechanism === providers_1.AuthMechanism.MONGODB_SCRAM_SHA256) &&
+            !this.username) {
+            throw new error_1.MongoMissingCredentialsError(`Username required for mechanism '${this.mechanism}'`);
+        }
+        if (providers_1.AUTH_MECHS_AUTH_SRC_EXTERNAL.has(this.mechanism)) {
+            if (this.source != null && this.source !== '$external') {
+                // TODO(NODE-3485): Replace this with a MongoAuthValidationError
+                throw new error_1.MongoAPIError(`Invalid source '${this.source}' for mechanism '${this.mechanism}' specified.`);
+            }
+        }
+        if (this.mechanism === providers_1.AuthMechanism.MONGODB_PLAIN && this.source == null) {
+            // TODO(NODE-3485): Replace this with a MongoAuthValidationError
+            throw new error_1.MongoAPIError('PLAIN Authentication Mechanism needs an auth source');
+        }
+        if (this.mechanism === providers_1.AuthMechanism.MONGODB_X509 && this.password != null) {
+            if (this.password === '') {
+                Reflect.set(this, 'password', undefined);
+                return;
+            }
+            // TODO(NODE-3485): Replace this with a MongoAuthValidationError
+            throw new error_1.MongoAPIError(`Password not allowed for mechanism MONGODB-X509`);
+        }
+        const canonicalization = (_a = this.mechanismProperties.CANONICALIZE_HOST_NAME) !== null && _a !== void 0 ? _a : false;
+        if (!Object.values(gssapi_1.GSSAPICanonicalizationValue).includes(canonicalization)) {
+            throw new error_1.MongoAPIError(`Invalid CANONICALIZE_HOST_NAME value: ${canonicalization}`);
+        }
+    }
+    static merge(creds, options) {
+        var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l;
+        return new MongoCredentials({
+            username: (_b = (_a = options.username) !== null && _a !== void 0 ? _a : creds === null || creds === void 0 ? void 0 : creds.username) !== null && _b !== void 0 ? _b : '',
+            password: (_d = (_c = options.password) !== null && _c !== void 0 ? _c : creds === null || creds === void 0 ? void 0 : creds.password) !== null && _d !== void 0 ? _d : '',
+            mechanism: (_f = (_e = options.mechanism) !== null && _e !== void 0 ? _e : creds === null || creds === void 0 ? void 0 : creds.mechanism) !== null && _f !== void 0 ? _f : providers_1.AuthMechanism.MONGODB_DEFAULT,
+            mechanismProperties: (_h = (_g = options.mechanismProperties) !== null && _g !== void 0 ? _g : creds === null || creds === void 0 ? void 0 : creds.mechanismProperties) !== null && _h !== void 0 ? _h : {},
+            source: (_l = (_k = (_j = options.source) !== null && _j !== void 0 ? _j : options.db) !== null && _k !== void 0 ? _k : creds === null || creds === void 0 ? void 0 : creds.source) !== null && _l !== void 0 ? _l : 'admin'
+        });
+    }
+}
+exports.MongoCredentials = MongoCredentials;
+//# sourceMappingURL=mongo_credentials.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongo_credentials.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongo_credentials.js.map
new file mode 100644
index 000000000..3f88b0fe6
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongo_credentials.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"mongo_credentials.js","sourceRoot":"","sources":["../../../src/cmap/auth/mongo_credentials.ts"],"names":[],"mappings":";;;AAEA,uCAA0E;AAC1E,uCAA8C;AAC9C,qCAAuD;AACvD,2CAA0E;AAE1E,6EAA6E;AAC7E,SAAS,uBAAuB,CAAC,KAAgB;IAC/C,IAAI,KAAK,EAAE;QACT,0DAA0D;QAC1D,uCAAuC;QACvC,IAAI,KAAK,CAAC,OAAO,CAAC,KAAK,CAAC,kBAAkB,CAAC,EAAE;YAC3C,OAAO,KAAK,CAAC,kBAAkB,CAAC,QAAQ,CAAC,yBAAa,CAAC,oBAAoB,CAAC;gBAC1E,CAAC,CAAC,yBAAa,CAAC,oBAAoB;gBACpC,CAAC,CAAC,yBAAa,CAAC,kBAAkB,CAAC;SACtC;QAED,6EAA6E;QAC7E,IAAI,KAAK,CAAC,cAAc,IAAI,CAAC,EAAE;YAC7B,OAAO,yBAAa,CAAC,kBAAkB,CAAC;SACzC;KACF;IAED,+BAA+B;IAC/B,OAAO,yBAAa,CAAC,UAAU,CAAC;AAClC,CAAC;AAqBD;;;GAGG;AACH,MAAa,gBAAgB;IAY3B,YAAY,OAAgC;QAC1C,IAAI,CAAC,QAAQ,GAAG,OAAO,CAAC,QAAQ,CAAC;QACjC,IAAI,CAAC,QAAQ,GAAG,OAAO,CAAC,QAAQ,CAAC;QACjC,IAAI,CAAC,MAAM,GAAG,OAAO,CAAC,MAAM,CAAC;QAC7B,IAAI,CAAC,IAAI,CAAC,MAAM,IAAI,OAAO,CAAC,EAAE,EAAE;YAC9B,IAAI,CAAC,MAAM,GAAG,OAAO,CAAC,EAAE,CAAC;SAC1B;QACD,IAAI,CAAC,SAAS,GAAG,OAAO,CAAC,SAAS,IAAI,yBAAa,CAAC,eAAe,CAAC;QACpE,IAAI,CAAC,mBAAmB,GAAG,OAAO,CAAC,mBAAmB,IAAI,EAAE,CAAC;QAE7D,IAAI,IAAI,CAAC,SAAS,CAAC,KAAK,CAAC,cAAc,CAAC,EAAE;YACxC,IAAI,CAAC,IAAI,CAAC,QAAQ,IAAI,OAAO,CAAC,GAAG,CAAC,iBAAiB,EAAE;gBACnD,IAAI,CAAC,QAAQ,GAAG,OAAO,CAAC,GAAG,CAAC,iBAAiB,CAAC;aAC/C;YAED,IAAI,CAAC,IAAI,CAAC,QAAQ,IAAI,OAAO,CAAC,GAAG,CAAC,qBAAqB,EAAE;gBACvD,IAAI,CAAC,QAAQ,GAAG,OAAO,CAAC,GAAG,CAAC,qBAAqB,CAAC;aACnD;YAED,IACE,IAAI,CAAC,mBAAmB,CAAC,iBAAiB,IAAI,IAAI;gBAClD,OAAO,CAAC,GAAG,CAAC,iBAAiB,IAAI,IAAI,EACrC;gBACA,IAAI,CAAC,mBAAmB,GAAG;oBACzB,GAAG,IAAI,CAAC,mBAAmB;oBAC3B,iBAAiB,EAAE,OAAO,CAAC,GAAG,CAAC,iBAAiB;iBACjD,CAAC;aACH;SACF;QAED,IAAI,4BAA4B,IAAI,IAAI,CAAC,mBAAmB,EAAE;YAC5D,IAAA,uBAAe,EACb,sFAAsF,CACvF,CAAC;YACF,IAAI,CAAC,mBAAmB,CAAC,sBAAsB;gBAC7C,IAAI,CAAC,mBAAmB,CAAC,0BAA0B,CAAC;SACvD;QAED,MAAM,CAAC,MAAM,CAAC,IAAI,CAAC,mBAAmB,CAAC,CAAC;QACxC,MAAM,CAAC,MAAM,CAAC,IAAI,CAAC,CAAC;IACtB,CAAC;IAED,gEAAgE;IAChE,MAAM,CAAC,KAAuB;QAC5B,OAAO,CACL,IAAI,CAAC,SAAS,KAAK,KAAK,CAAC,SAAS;YAClC,IAAI,CAAC,QAAQ,KAAK,KAAK,CAAC,QAAQ;YAChC,IAAI,CAAC,QAAQ,KAAK,KAAK,CAAC,QAAQ;YAChC,IAAI,CAAC,MAAM,KAAK,KAAK,CAAC,MAAM,CAC7B,CAAC;IACJ,CAAC;IAED;;;;;OAKG;IACH,oBAAoB,CAAC,KAAgB;QACnC,0EAA0E;QAC1E,IAAI,IAAI,CAAC,SAAS,CAAC,KAAK,CAAC,UAAU,CAAC,EAAE;YACpC,OAAO,IAAI,gBAAgB,CAAC;gBAC1B,QAAQ,EAAE,IAAI,CAAC,QAAQ;gBACvB,QAAQ,EAAE,IAAI,CAAC,QAAQ;gBACvB,MAAM,EAAE,IAAI,CAAC,MAAM;gBACnB,SAAS,EAAE,uBAAuB,CAAC,KAAK,CAAC;gBACzC,mBAAmB,EAAE,IAAI,CAAC,mBAAmB;aAC9C,CAAC,CAAC;SACJ;QAED,OAAO,IAAI,CAAC;IACd,CAAC;IAED,QAAQ;;QACN,IACE,CAAC,IAAI,CAAC,SAAS,KAAK,yBAAa,CAAC,cAAc;YAC9C,IAAI,CAAC,SAAS,KAAK,yBAAa,CAAC,UAAU;YAC3C,IAAI,CAAC,SAAS,KAAK,yBAAa,CAAC,aAAa;YAC9C,IAAI,CAAC,SAAS,KAAK,yBAAa,CAAC,kBAAkB;YACnD,IAAI,CAAC,SAAS,KAAK,yBAAa,CAAC,oBAAoB,CAAC;YACxD,CAAC,IAAI,CAAC,QAAQ,EACd;YACA,MAAM,IAAI,oCAA4B,CAAC,oCAAoC,IAAI,CAAC,SAAS,GAAG,CAAC,CAAC;SAC/F;QAED,IAAI,wCAA4B,CAAC,GAAG,CAAC,IAAI,CAAC,SAAS,CAAC,EAAE;YACpD,IAAI,IAAI,CAAC,MAAM,IAAI,IAAI,IAAI,IAAI,CAAC,MAAM,KAAK,WAAW,EAAE;gBACtD,gEAAgE;gBAChE,MAAM,IAAI,qBAAa,CACrB,mBAAmB,IAAI,CAAC,MAAM,oBAAoB,IAAI,CAAC,SAAS,cAAc,CAC/E,CAAC;aACH;SACF;QAED,IAAI,IAAI,CAAC,SAAS,KAAK,yBAAa,CAAC,aAAa,IAAI,IAAI,CAAC,MAAM,IAAI,IAAI,EAAE;YACzE,gEAAgE;YAChE,MAAM,IAAI,qBAAa,CAAC,qDAAqD,CAAC,CAAC;SAChF;QAED,IAAI,IAAI,CAAC,SAAS,KAAK,yBAAa,CAAC,YAAY,IAAI,IAAI,CAAC,QAAQ,IAAI,IAAI,EAAE;YAC1E,IAAI,IAAI,CAAC,QAAQ,KAAK,EAAE,EAAE;gBACxB,OAAO,CAAC,GAAG,CAAC,IAAI,EAAE,UAAU,EAAE,SAAS,CAAC,CAAC;gBACzC,OAAO;aACR;YACD,gEAAgE;YAChE,MAAM,IAAI,qBAAa,CAAC,iDAAiD,CAAC,CAAC;SAC5E;QAED,MAAM,gBAAgB,GAAG,MAAA,IAAI,CAAC,mBAAmB,CAAC,sBAAsB,mCAAI,KAAK,CAAC;QAClF,IAAI,CAAC,MAAM,CAAC,MAAM,CAAC,oCAA2B,CAAC,CAAC,QAAQ,CAAC,gBAAgB,CAAC,EAAE;YAC1E,MAAM,IAAI,qBAAa,CAAC,yCAAyC,gBAAgB,EAAE,CAAC,CAAC;SACtF;IACH,CAAC;IAED,MAAM,CAAC,KAAK,CACV,KAAmC,EACnC,OAAyC;;QAEzC,OAAO,IAAI,gBAAgB,CAAC;YAC1B,QAAQ,EAAE,MAAA,MAAA,OAAO,CAAC,QAAQ,mCAAI,KAAK,aAAL,KAAK,uBAAL,KAAK,CAAE,QAAQ,mCAAI,EAAE;YACnD,QAAQ,EAAE,MAAA,MAAA,OAAO,CAAC,QAAQ,mCAAI,KAAK,aAAL,KAAK,uBAAL,KAAK,CAAE,QAAQ,mCAAI,EAAE;YACnD,SAAS,EAAE,MAAA,MAAA,OAAO,CAAC,SAAS,mCAAI,KAAK,aAAL,KAAK,uBAAL,KAAK,CAAE,SAAS,mCAAI,yBAAa,CAAC,eAAe;YACjF,mBAAmB,EAAE,MAAA,MAAA,OAAO,CAAC,mBAAmB,mCAAI,KAAK,aAAL,KAAK,uBAAL,KAAK,CAAE,mBAAmB,mCAAI,EAAE;YACpF,MAAM,EAAE,MAAA,MAAA,MAAA,OAAO,CAAC,MAAM,mCAAI,OAAO,CAAC,EAAE,mCAAI,KAAK,aAAL,KAAK,uBAAL,KAAK,CAAE,MAAM,mCAAI,OAAO;SACjE,CAAC,CAAC;IACL,CAAC;CACF;AA1ID,4CA0IC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongocr.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongocr.js
new file mode 100644
index 000000000..f8afea2dd
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongocr.js
@@ -0,0 +1,44 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MongoCR = void 0;
+const crypto = require("crypto");
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const auth_provider_1 = require("./auth_provider");
+class MongoCR extends auth_provider_1.AuthProvider {
+    auth(authContext, callback) {
+        const { connection, credentials } = authContext;
+        if (!credentials) {
+            return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+        }
+        const username = credentials.username;
+        const password = credentials.password;
+        const source = credentials.source;
+        connection.command((0, utils_1.ns)(`${source}.$cmd`), { getnonce: 1 }, undefined, (err, r) => {
+            let nonce = null;
+            let key = null;
+            // Get nonce
+            if (err == null) {
+                nonce = r.nonce;
+                // Use node md5 generator
+                let md5 = crypto.createHash('md5');
+                // Generate keys used for authentication
+                md5.update(`${username}:mongo:${password}`, 'utf8');
+                const hash_password = md5.digest('hex');
+                // Final key
+                md5 = crypto.createHash('md5');
+                md5.update(nonce + username + hash_password, 'utf8');
+                key = md5.digest('hex');
+            }
+            const authenticateCommand = {
+                authenticate: 1,
+                user: username,
+                nonce,
+                key
+            };
+            connection.command((0, utils_1.ns)(`${source}.$cmd`), authenticateCommand, undefined, callback);
+        });
+    }
+}
+exports.MongoCR = MongoCR;
+//# sourceMappingURL=mongocr.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongocr.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongocr.js.map
new file mode 100644
index 000000000..62e4f9796
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongocr.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"mongocr.js","sourceRoot":"","sources":["../../../src/cmap/auth/mongocr.ts"],"names":[],"mappings":";;;AAAA,iCAAiC;AAEjC,uCAA2D;AAC3D,uCAA2C;AAC3C,mDAA4D;AAE5D,MAAa,OAAQ,SAAQ,4BAAY;IAC9B,IAAI,CAAC,WAAwB,EAAE,QAAkB;QACxD,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,GAAG,WAAW,CAAC;QAChD,IAAI,CAAC,WAAW,EAAE;YAChB,OAAO,QAAQ,CAAC,IAAI,oCAA4B,CAAC,uCAAuC,CAAC,CAAC,CAAC;SAC5F;QACD,MAAM,QAAQ,GAAG,WAAW,CAAC,QAAQ,CAAC;QACtC,MAAM,QAAQ,GAAG,WAAW,CAAC,QAAQ,CAAC;QACtC,MAAM,MAAM,GAAG,WAAW,CAAC,MAAM,CAAC;QAClC,UAAU,CAAC,OAAO,CAAC,IAAA,UAAE,EAAC,GAAG,MAAM,OAAO,CAAC,EAAE,EAAE,QAAQ,EAAE,CAAC,EAAE,EAAE,SAAS,EAAE,CAAC,GAAG,EAAE,CAAC,EAAE,EAAE;YAC9E,IAAI,KAAK,GAAG,IAAI,CAAC;YACjB,IAAI,GAAG,GAAG,IAAI,CAAC;YAEf,YAAY;YACZ,IAAI,GAAG,IAAI,IAAI,EAAE;gBACf,KAAK,GAAG,CAAC,CAAC,KAAK,CAAC;gBAEhB,yBAAyB;gBACzB,IAAI,GAAG,GAAG,MAAM,CAAC,UAAU,CAAC,KAAK,CAAC,CAAC;gBAEnC,wCAAwC;gBACxC,GAAG,CAAC,MAAM,CAAC,GAAG,QAAQ,UAAU,QAAQ,EAAE,EAAE,MAAM,CAAC,CAAC;gBACpD,MAAM,aAAa,GAAG,GAAG,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;gBAExC,YAAY;gBACZ,GAAG,GAAG,MAAM,CAAC,UAAU,CAAC,KAAK,CAAC,CAAC;gBAC/B,GAAG,CAAC,MAAM,CAAC,KAAK,GAAG,QAAQ,GAAG,aAAa,EAAE,MAAM,CAAC,CAAC;gBACrD,GAAG,GAAG,GAAG,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;aACzB;YAED,MAAM,mBAAmB,GAAG;gBAC1B,YAAY,EAAE,CAAC;gBACf,IAAI,EAAE,QAAQ;gBACd,KAAK;gBACL,GAAG;aACJ,CAAC;YAEF,UAAU,CAAC,OAAO,CAAC,IAAA,UAAE,EAAC,GAAG,MAAM,OAAO,CAAC,EAAE,mBAAmB,EAAE,SAAS,EAAE,QAAQ,CAAC,CAAC;QACrF,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAxCD,0BAwCC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongodb_aws.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongodb_aws.js
new file mode 100644
index 000000000..ba0679fd1
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongodb_aws.js
@@ -0,0 +1,204 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MongoDBAWS = void 0;
+const crypto = require("crypto");
+const http = require("http");
+const url = require("url");
+const BSON = require("../../bson");
+const deps_1 = require("../../deps");
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const auth_provider_1 = require("./auth_provider");
+const mongo_credentials_1 = require("./mongo_credentials");
+const providers_1 = require("./providers");
+const ASCII_N = 110;
+const AWS_RELATIVE_URI = 'http://169.254.170.2';
+const AWS_EC2_URI = 'http://169.254.169.254';
+const AWS_EC2_PATH = '/latest/meta-data/iam/security-credentials';
+const bsonOptions = {
+    promoteLongs: true,
+    promoteValues: true,
+    promoteBuffers: false,
+    bsonRegExp: false
+};
+class MongoDBAWS extends auth_provider_1.AuthProvider {
+    auth(authContext, callback) {
+        const { connection, credentials } = authContext;
+        if (!credentials) {
+            return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+        }
+        if ('kModuleError' in deps_1.aws4) {
+            return callback(deps_1.aws4['kModuleError']);
+        }
+        const { sign } = deps_1.aws4;
+        if ((0, utils_1.maxWireVersion)(connection) < 9) {
+            callback(new error_1.MongoCompatibilityError('MONGODB-AWS authentication requires MongoDB version 4.4 or later'));
+            return;
+        }
+        if (!credentials.username) {
+            makeTempCredentials(credentials, (err, tempCredentials) => {
+                if (err || !tempCredentials)
+                    return callback(err);
+                authContext.credentials = tempCredentials;
+                this.auth(authContext, callback);
+            });
+            return;
+        }
+        const accessKeyId = credentials.username;
+        const secretAccessKey = credentials.password;
+        const sessionToken = credentials.mechanismProperties.AWS_SESSION_TOKEN;
+        // If all three defined, include sessionToken, else include username and pass, else no credentials
+        const awsCredentials = accessKeyId && secretAccessKey && sessionToken
+            ? { accessKeyId, secretAccessKey, sessionToken }
+            : accessKeyId && secretAccessKey
+                ? { accessKeyId, secretAccessKey }
+                : undefined;
+        const db = credentials.source;
+        crypto.randomBytes(32, (err, nonce) => {
+            if (err) {
+                callback(err);
+                return;
+            }
+            const saslStart = {
+                saslStart: 1,
+                mechanism: 'MONGODB-AWS',
+                payload: BSON.serialize({ r: nonce, p: ASCII_N }, bsonOptions)
+            };
+            connection.command((0, utils_1.ns)(`${db}.$cmd`), saslStart, undefined, (err, res) => {
+                if (err)
+                    return callback(err);
+                const serverResponse = BSON.deserialize(res.payload.buffer, bsonOptions);
+                const host = serverResponse.h;
+                const serverNonce = serverResponse.s.buffer;
+                if (serverNonce.length !== 64) {
+                    callback(
+                    // TODO(NODE-3483)
+                    new error_1.MongoRuntimeError(`Invalid server nonce length ${serverNonce.length}, expected 64`));
+                    return;
+                }
+                if (serverNonce.compare(nonce, 0, nonce.length, 0, nonce.length) !== 0) {
+                    // TODO(NODE-3483)
+                    callback(new error_1.MongoRuntimeError('Server nonce does not begin with client nonce'));
+                    return;
+                }
+                if (host.length < 1 || host.length > 255 || host.indexOf('..') !== -1) {
+                    // TODO(NODE-3483)
+                    callback(new error_1.MongoRuntimeError(`Server returned an invalid host: "${host}"`));
+                    return;
+                }
+                const body = 'Action=GetCallerIdentity&Version=2011-06-15';
+                const options = sign({
+                    method: 'POST',
+                    host,
+                    region: deriveRegion(serverResponse.h),
+                    service: 'sts',
+                    headers: {
+                        'Content-Type': 'application/x-www-form-urlencoded',
+                        'Content-Length': body.length,
+                        'X-MongoDB-Server-Nonce': serverNonce.toString('base64'),
+                        'X-MongoDB-GS2-CB-Flag': 'n'
+                    },
+                    path: '/',
+                    body
+                }, awsCredentials);
+                const payload = {
+                    a: options.headers.Authorization,
+                    d: options.headers['X-Amz-Date']
+                };
+                if (sessionToken) {
+                    payload.t = sessionToken;
+                }
+                const saslContinue = {
+                    saslContinue: 1,
+                    conversationId: 1,
+                    payload: BSON.serialize(payload, bsonOptions)
+                };
+                connection.command((0, utils_1.ns)(`${db}.$cmd`), saslContinue, undefined, callback);
+            });
+        });
+    }
+}
+exports.MongoDBAWS = MongoDBAWS;
+function makeTempCredentials(credentials, callback) {
+    function done(creds) {
+        if (!creds.AccessKeyId || !creds.SecretAccessKey || !creds.Token) {
+            callback(new error_1.MongoMissingCredentialsError('Could not obtain temporary MONGODB-AWS credentials'));
+            return;
+        }
+        callback(undefined, new mongo_credentials_1.MongoCredentials({
+            username: creds.AccessKeyId,
+            password: creds.SecretAccessKey,
+            source: credentials.source,
+            mechanism: providers_1.AuthMechanism.MONGODB_AWS,
+            mechanismProperties: {
+                AWS_SESSION_TOKEN: creds.Token
+            }
+        }));
+    }
+    // If the environment variable AWS_CONTAINER_CREDENTIALS_RELATIVE_URI
+    // is set then drivers MUST assume that it was set by an AWS ECS agent
+    if (process.env.AWS_CONTAINER_CREDENTIALS_RELATIVE_URI) {
+        request(`${AWS_RELATIVE_URI}${process.env.AWS_CONTAINER_CREDENTIALS_RELATIVE_URI}`, undefined, (err, res) => {
+            if (err)
+                return callback(err);
+            done(res);
+        });
+        return;
+    }
+    // Otherwise assume we are on an EC2 instance
+    // get a token
+    request(`${AWS_EC2_URI}/latest/api/token`, { method: 'PUT', json: false, headers: { 'X-aws-ec2-metadata-token-ttl-seconds': 30 } }, (err, token) => {
+        if (err)
+            return callback(err);
+        // get role name
+        request(`${AWS_EC2_URI}/${AWS_EC2_PATH}`, { json: false, headers: { 'X-aws-ec2-metadata-token': token } }, (err, roleName) => {
+            if (err)
+                return callback(err);
+            // get temp credentials
+            request(`${AWS_EC2_URI}/${AWS_EC2_PATH}/${roleName}`, { headers: { 'X-aws-ec2-metadata-token': token } }, (err, creds) => {
+                if (err)
+                    return callback(err);
+                done(creds);
+            });
+        });
+    });
+}
+function deriveRegion(host) {
+    const parts = host.split('.');
+    if (parts.length === 1 || parts[1] === 'amazonaws') {
+        return 'us-east-1';
+    }
+    return parts[1];
+}
+function request(uri, _options, callback) {
+    const options = Object.assign({
+        method: 'GET',
+        timeout: 10000,
+        json: true
+    }, url.parse(uri), _options);
+    const req = http.request(options, res => {
+        res.setEncoding('utf8');
+        let data = '';
+        res.on('data', d => (data += d));
+        res.on('end', () => {
+            if (options.json === false) {
+                callback(undefined, data);
+                return;
+            }
+            try {
+                const parsed = JSON.parse(data);
+                callback(undefined, parsed);
+            }
+            catch (err) {
+                // TODO(NODE-3483)
+                callback(new error_1.MongoRuntimeError(`Invalid JSON response: "${data}"`));
+            }
+        });
+    });
+    req.on('timeout', () => {
+        req.destroy(new error_1.MongoAWSError(`AWS request to ${uri} timed out after ${options.timeout} ms`));
+    });
+    req.on('error', err => callback(err));
+    req.end();
+}
+//# sourceMappingURL=mongodb_aws.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongodb_aws.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongodb_aws.js.map
new file mode 100644
index 000000000..f88f08b05
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/mongodb_aws.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"mongodb_aws.js","sourceRoot":"","sources":["../../../src/cmap/auth/mongodb_aws.ts"],"names":[],"mappings":";;;AAAA,iCAAiC;AACjC,6BAA6B;AAC7B,2BAA2B;AAG3B,mCAAmC;AACnC,qCAAkC;AAClC,uCAKqB;AACrB,uCAA2D;AAC3D,mDAA4D;AAC5D,2DAAuD;AACvD,2CAA4C;AAE5C,MAAM,OAAO,GAAG,GAAG,CAAC;AACpB,MAAM,gBAAgB,GAAG,sBAAsB,CAAC;AAChD,MAAM,WAAW,GAAG,wBAAwB,CAAC;AAC7C,MAAM,YAAY,GAAG,4CAA4C,CAAC;AAClE,MAAM,WAAW,GAAyB;IACxC,YAAY,EAAE,IAAI;IAClB,aAAa,EAAE,IAAI;IACnB,cAAc,EAAE,KAAK;IACrB,UAAU,EAAE,KAAK;CAClB,CAAC;AAQF,MAAa,UAAW,SAAQ,4BAAY;IACjC,IAAI,CAAC,WAAwB,EAAE,QAAkB;QACxD,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,GAAG,WAAW,CAAC;QAChD,IAAI,CAAC,WAAW,EAAE;YAChB,OAAO,QAAQ,CAAC,IAAI,oCAA4B,CAAC,uCAAuC,CAAC,CAAC,CAAC;SAC5F;QAED,IAAI,cAAc,IAAI,WAAI,EAAE;YAC1B,OAAO,QAAQ,CAAC,WAAI,CAAC,cAAc,CAAC,CAAC,CAAC;SACvC;QACD,MAAM,EAAE,IAAI,EAAE,GAAG,WAAI,CAAC;QAEtB,IAAI,IAAA,sBAAc,EAAC,UAAU,CAAC,GAAG,CAAC,EAAE;YAClC,QAAQ,CACN,IAAI,+BAAuB,CACzB,kEAAkE,CACnE,CACF,CAAC;YACF,OAAO;SACR;QAED,IAAI,CAAC,WAAW,CAAC,QAAQ,EAAE;YACzB,mBAAmB,CAAC,WAAW,EAAE,CAAC,GAAG,EAAE,eAAe,EAAE,EAAE;gBACxD,IAAI,GAAG,IAAI,CAAC,eAAe;oBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;gBAElD,WAAW,CAAC,WAAW,GAAG,eAAe,CAAC;gBAC1C,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE,QAAQ,CAAC,CAAC;YACnC,CAAC,CAAC,CAAC;YAEH,OAAO;SACR;QAED,MAAM,WAAW,GAAG,WAAW,CAAC,QAAQ,CAAC;QACzC,MAAM,eAAe,GAAG,WAAW,CAAC,QAAQ,CAAC;QAC7C,MAAM,YAAY,GAAG,WAAW,CAAC,mBAAmB,CAAC,iBAAiB,CAAC;QAEvE,kGAAkG;QAClG,MAAM,cAAc,GAClB,WAAW,IAAI,eAAe,IAAI,YAAY;YAC5C,CAAC,CAAC,EAAE,WAAW,EAAE,eAAe,EAAE,YAAY,EAAE;YAChD,CAAC,CAAC,WAAW,IAAI,eAAe;gBAChC,CAAC,CAAC,EAAE,WAAW,EAAE,eAAe,EAAE;gBAClC,CAAC,CAAC,SAAS,CAAC;QAEhB,MAAM,EAAE,GAAG,WAAW,CAAC,MAAM,CAAC;QAC9B,MAAM,CAAC,WAAW,CAAC,EAAE,EAAE,CAAC,GAAG,EAAE,KAAK,EAAE,EAAE;YACpC,IAAI,GAAG,EAAE;gBACP,QAAQ,CAAC,GAAG,CAAC,CAAC;gBACd,OAAO;aACR;YAED,MAAM,SAAS,GAAG;gBAChB,SAAS,EAAE,CAAC;gBACZ,SAAS,EAAE,aAAa;gBACxB,OAAO,EAAE,IAAI,CAAC,SAAS,CAAC,EAAE,CAAC,EAAE,KAAK,EAAE,CAAC,EAAE,OAAO,EAAE,EAAE,WAAW,CAAC;aAC/D,CAAC;YAEF,UAAU,CAAC,OAAO,CAAC,IAAA,UAAE,EAAC,GAAG,EAAE,OAAO,CAAC,EAAE,SAAS,EAAE,SAAS,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;gBACtE,IAAI,GAAG;oBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;gBAE9B,MAAM,cAAc,GAAG,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,OAAO,CAAC,MAAM,EAAE,WAAW,CAGtE,CAAC;gBACF,MAAM,IAAI,GAAG,cAAc,CAAC,CAAC,CAAC;gBAC9B,MAAM,WAAW,GAAG,cAAc,CAAC,CAAC,CAAC,MAAM,CAAC;gBAC5C,IAAI,WAAW,CAAC,MAAM,KAAK,EAAE,EAAE;oBAC7B,QAAQ;oBACN,kBAAkB;oBAClB,IAAI,yBAAiB,CAAC,+BAA+B,WAAW,CAAC,MAAM,eAAe,CAAC,CACxF,CAAC;oBAEF,OAAO;iBACR;gBAED,IAAI,WAAW,CAAC,OAAO,CAAC,KAAK,EAAE,CAAC,EAAE,KAAK,CAAC,MAAM,EAAE,CAAC,EAAE,KAAK,CAAC,MAAM,CAAC,KAAK,CAAC,EAAE;oBACtE,kBAAkB;oBAClB,QAAQ,CAAC,IAAI,yBAAiB,CAAC,+CAA+C,CAAC,CAAC,CAAC;oBACjF,OAAO;iBACR;gBAED,IAAI,IAAI,CAAC,MAAM,GAAG,CAAC,IAAI,IAAI,CAAC,MAAM,GAAG,GAAG,IAAI,IAAI,CAAC,OAAO,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC,EAAE;oBACrE,kBAAkB;oBAClB,QAAQ,CAAC,IAAI,yBAAiB,CAAC,qCAAqC,IAAI,GAAG,CAAC,CAAC,CAAC;oBAC9E,OAAO;iBACR;gBAED,MAAM,IAAI,GAAG,6CAA6C,CAAC;gBAC3D,MAAM,OAAO,GAAG,IAAI,CAClB;oBACE,MAAM,EAAE,MAAM;oBACd,IAAI;oBACJ,MAAM,EAAE,YAAY,CAAC,cAAc,CAAC,CAAC,CAAC;oBACtC,OAAO,EAAE,KAAK;oBACd,OAAO,EAAE;wBACP,cAAc,EAAE,mCAAmC;wBACnD,gBAAgB,EAAE,IAAI,CAAC,MAAM;wBAC7B,wBAAwB,EAAE,WAAW,CAAC,QAAQ,CAAC,QAAQ,CAAC;wBACxD,uBAAuB,EAAE,GAAG;qBAC7B;oBACD,IAAI,EAAE,GAAG;oBACT,IAAI;iBACL,EACD,cAAc,CACf,CAAC;gBAEF,MAAM,OAAO,GAA2B;oBACtC,CAAC,EAAE,OAAO,CAAC,OAAO,CAAC,aAAa;oBAChC,CAAC,EAAE,OAAO,CAAC,OAAO,CAAC,YAAY,CAAC;iBACjC,CAAC;gBACF,IAAI,YAAY,EAAE;oBAChB,OAAO,CAAC,CAAC,GAAG,YAAY,CAAC;iBAC1B;gBAED,MAAM,YAAY,GAAG;oBACnB,YAAY,EAAE,CAAC;oBACf,cAAc,EAAE,CAAC;oBACjB,OAAO,EAAE,IAAI,CAAC,SAAS,CAAC,OAAO,EAAE,WAAW,CAAC;iBAC9C,CAAC;gBAEF,UAAU,CAAC,OAAO,CAAC,IAAA,UAAE,EAAC,GAAG,EAAE,OAAO,CAAC,EAAE,YAAY,EAAE,SAAS,EAAE,QAAQ,CAAC,CAAC;YAC1E,CAAC,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA5HD,gCA4HC;AAUD,SAAS,mBAAmB,CAAC,WAA6B,EAAE,QAAoC;IAC9F,SAAS,IAAI,CAAC,KAAyB;QACrC,IAAI,CAAC,KAAK,CAAC,WAAW,IAAI,CAAC,KAAK,CAAC,eAAe,IAAI,CAAC,KAAK,CAAC,KAAK,EAAE;YAChE,QAAQ,CACN,IAAI,oCAA4B,CAAC,oDAAoD,CAAC,CACvF,CAAC;YACF,OAAO;SACR;QAED,QAAQ,CACN,SAAS,EACT,IAAI,oCAAgB,CAAC;YACnB,QAAQ,EAAE,KAAK,CAAC,WAAW;YAC3B,QAAQ,EAAE,KAAK,CAAC,eAAe;YAC/B,MAAM,EAAE,WAAW,CAAC,MAAM;YAC1B,SAAS,EAAE,yBAAa,CAAC,WAAW;YACpC,mBAAmB,EAAE;gBACnB,iBAAiB,EAAE,KAAK,CAAC,KAAK;aAC/B;SACF,CAAC,CACH,CAAC;IACJ,CAAC;IAED,qEAAqE;IACrE,sEAAsE;IACtE,IAAI,OAAO,CAAC,GAAG,CAAC,sCAAsC,EAAE;QACtD,OAAO,CACL,GAAG,gBAAgB,GAAG,OAAO,CAAC,GAAG,CAAC,sCAAsC,EAAE,EAC1E,SAAS,EACT,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;YACX,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC9B,IAAI,CAAC,GAAG,CAAC,CAAC;QACZ,CAAC,CACF,CAAC;QAEF,OAAO;KACR;IAED,6CAA6C;IAE7C,cAAc;IACd,OAAO,CACL,GAAG,WAAW,mBAAmB,EACjC,EAAE,MAAM,EAAE,KAAK,EAAE,IAAI,EAAE,KAAK,EAAE,OAAO,EAAE,EAAE,sCAAsC,EAAE,EAAE,EAAE,EAAE,EACvF,CAAC,GAAG,EAAE,KAAK,EAAE,EAAE;QACb,IAAI,GAAG;YAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;QAE9B,gBAAgB;QAChB,OAAO,CACL,GAAG,WAAW,IAAI,YAAY,EAAE,EAChC,EAAE,IAAI,EAAE,KAAK,EAAE,OAAO,EAAE,EAAE,0BAA0B,EAAE,KAAK,EAAE,EAAE,EAC/D,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;YAChB,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAE9B,uBAAuB;YACvB,OAAO,CACL,GAAG,WAAW,IAAI,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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/plain.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/plain.js
new file mode 100644
index 000000000..e7153a58c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/plain.js
@@ -0,0 +1,27 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Plain = void 0;
+const bson_1 = require("../../bson");
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const auth_provider_1 = require("./auth_provider");
+class Plain extends auth_provider_1.AuthProvider {
+    auth(authContext, callback) {
+        const { connection, credentials } = authContext;
+        if (!credentials) {
+            return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+        }
+        const username = credentials.username;
+        const password = credentials.password;
+        const payload = new bson_1.Binary(Buffer.from(`\x00${username}\x00${password}`));
+        const command = {
+            saslStart: 1,
+            mechanism: 'PLAIN',
+            payload: payload,
+            autoAuthorize: 1
+        };
+        connection.command((0, utils_1.ns)('$external.$cmd'), command, undefined, callback);
+    }
+}
+exports.Plain = Plain;
+//# sourceMappingURL=plain.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/plain.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/plain.js.map
new file mode 100644
index 000000000..a03580a35
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/plain.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"plain.js","sourceRoot":"","sources":["../../../src/cmap/auth/plain.ts"],"names":[],"mappings":";;;AAAA,qCAAoC;AACpC,uCAA2D;AAC3D,uCAA2C;AAC3C,mDAA4D;AAE5D,MAAa,KAAM,SAAQ,4BAAY;IAC5B,IAAI,CAAC,WAAwB,EAAE,QAAkB;QACxD,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,GAAG,WAAW,CAAC;QAChD,IAAI,CAAC,WAAW,EAAE;YAChB,OAAO,QAAQ,CAAC,IAAI,oCAA4B,CAAC,uCAAuC,CAAC,CAAC,CAAC;SAC5F;QACD,MAAM,QAAQ,GAAG,WAAW,CAAC,QAAQ,CAAC;QACtC,MAAM,QAAQ,GAAG,WAAW,CAAC,QAAQ,CAAC;QAEtC,MAAM,OAAO,GAAG,IAAI,aAAM,CAAC,MAAM,CAAC,IAAI,CAAC,OAAO,QAAQ,OAAO,QAAQ,EAAE,CAAC,CAAC,CAAC;QAC1E,MAAM,OAAO,GAAG;YACd,SAAS,EAAE,CAAC;YACZ,SAAS,EAAE,OAAO;YAClB,OAAO,EAAE,OAAO;YAChB,aAAa,EAAE,CAAC;SACjB,CAAC;QAEF,UAAU,CAAC,OAAO,CAAC,IAAA,UAAE,EAAC,gBAAgB,CAAC,EAAE,OAAO,EAAE,SAAS,EAAE,QAAQ,CAAC,CAAC;IACzE,CAAC;CACF;AAnBD,sBAmBC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/providers.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/providers.js
new file mode 100644
index 000000000..d287765f0
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/providers.js
@@ -0,0 +1,21 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AUTH_MECHS_AUTH_SRC_EXTERNAL = exports.AuthMechanism = void 0;
+/** @public */
+exports.AuthMechanism = Object.freeze({
+    MONGODB_AWS: 'MONGODB-AWS',
+    MONGODB_CR: 'MONGODB-CR',
+    MONGODB_DEFAULT: 'DEFAULT',
+    MONGODB_GSSAPI: 'GSSAPI',
+    MONGODB_PLAIN: 'PLAIN',
+    MONGODB_SCRAM_SHA1: 'SCRAM-SHA-1',
+    MONGODB_SCRAM_SHA256: 'SCRAM-SHA-256',
+    MONGODB_X509: 'MONGODB-X509'
+});
+/** @internal */
+exports.AUTH_MECHS_AUTH_SRC_EXTERNAL = new Set([
+    exports.AuthMechanism.MONGODB_GSSAPI,
+    exports.AuthMechanism.MONGODB_AWS,
+    exports.AuthMechanism.MONGODB_X509
+]);
+//# sourceMappingURL=providers.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/providers.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/providers.js.map
new file mode 100644
index 000000000..48b58e79e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/providers.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"providers.js","sourceRoot":"","sources":["../../../src/cmap/auth/providers.ts"],"names":[],"mappings":";;;AAAA,cAAc;AACD,QAAA,aAAa,GAAG,MAAM,CAAC,MAAM,CAAC;IACzC,WAAW,EAAE,aAAa;IAC1B,UAAU,EAAE,YAAY;IACxB,eAAe,EAAE,SAAS;IAC1B,cAAc,EAAE,QAAQ;IACxB,aAAa,EAAE,OAAO;IACtB,kBAAkB,EAAE,aAAa;IACjC,oBAAoB,EAAE,eAAe;IACrC,YAAY,EAAE,cAAc;CACpB,CAAC,CAAC;AAKZ,gBAAgB;AACH,QAAA,4BAA4B,GAAG,IAAI,GAAG,CAAgB;IACjE,qBAAa,CAAC,cAAc;IAC5B,qBAAa,CAAC,WAAW;IACzB,qBAAa,CAAC,YAAY;CAC3B,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/scram.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/scram.js
new file mode 100644
index 000000000..00a77ac00
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/scram.js
@@ -0,0 +1,288 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ScramSHA256 = exports.ScramSHA1 = void 0;
+const crypto = require("crypto");
+const bson_1 = require("../../bson");
+const deps_1 = require("../../deps");
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const auth_provider_1 = require("./auth_provider");
+const providers_1 = require("./providers");
+class ScramSHA extends auth_provider_1.AuthProvider {
+    constructor(cryptoMethod) {
+        super();
+        this.cryptoMethod = cryptoMethod || 'sha1';
+    }
+    prepare(handshakeDoc, authContext, callback) {
+        const cryptoMethod = this.cryptoMethod;
+        const credentials = authContext.credentials;
+        if (!credentials) {
+            return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+        }
+        if (cryptoMethod === 'sha256' && deps_1.saslprep == null) {
+            (0, utils_1.emitWarning)('Warning: no saslprep library specified. Passwords will not be sanitized');
+        }
+        crypto.randomBytes(24, (err, nonce) => {
+            if (err) {
+                return callback(err);
+            }
+            // store the nonce for later use
+            Object.assign(authContext, { nonce });
+            const request = Object.assign({}, handshakeDoc, {
+                speculativeAuthenticate: Object.assign(makeFirstMessage(cryptoMethod, credentials, nonce), {
+                    db: credentials.source
+                })
+            });
+            callback(undefined, request);
+        });
+    }
+    auth(authContext, callback) {
+        const response = authContext.response;
+        if (response && response.speculativeAuthenticate) {
+            continueScramConversation(this.cryptoMethod, response.speculativeAuthenticate, authContext, callback);
+            return;
+        }
+        executeScram(this.cryptoMethod, authContext, callback);
+    }
+}
+function cleanUsername(username) {
+    return username.replace('=', '=3D').replace(',', '=2C');
+}
+function clientFirstMessageBare(username, nonce) {
+    // NOTE: This is done b/c Javascript uses UTF-16, but the server is hashing in UTF-8.
+    // Since the username is not sasl-prep-d, we need to do this here.
+    return Buffer.concat([
+        Buffer.from('n=', 'utf8'),
+        Buffer.from(username, 'utf8'),
+        Buffer.from(',r=', 'utf8'),
+        Buffer.from(nonce.toString('base64'), 'utf8')
+    ]);
+}
+function makeFirstMessage(cryptoMethod, credentials, nonce) {
+    const username = cleanUsername(credentials.username);
+    const mechanism = cryptoMethod === 'sha1' ? providers_1.AuthMechanism.MONGODB_SCRAM_SHA1 : providers_1.AuthMechanism.MONGODB_SCRAM_SHA256;
+    // NOTE: This is done b/c Javascript uses UTF-16, but the server is hashing in UTF-8.
+    // Since the username is not sasl-prep-d, we need to do this here.
+    return {
+        saslStart: 1,
+        mechanism,
+        payload: new bson_1.Binary(Buffer.concat([Buffer.from('n,,', 'utf8'), clientFirstMessageBare(username, nonce)])),
+        autoAuthorize: 1,
+        options: { skipEmptyExchange: true }
+    };
+}
+function executeScram(cryptoMethod, authContext, callback) {
+    const { connection, credentials } = authContext;
+    if (!credentials) {
+        return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    if (!authContext.nonce) {
+        return callback(new error_1.MongoInvalidArgumentError('AuthContext must contain a valid nonce property'));
+    }
+    const nonce = authContext.nonce;
+    const db = credentials.source;
+    const saslStartCmd = makeFirstMessage(cryptoMethod, credentials, nonce);
+    connection.command((0, utils_1.ns)(`${db}.$cmd`), saslStartCmd, undefined, (_err, result) => {
+        const err = resolveError(_err, result);
+        if (err) {
+            return callback(err);
+        }
+        continueScramConversation(cryptoMethod, result, authContext, callback);
+    });
+}
+function continueScramConversation(cryptoMethod, response, authContext, callback) {
+    const connection = authContext.connection;
+    const credentials = authContext.credentials;
+    if (!credentials) {
+        return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    if (!authContext.nonce) {
+        return callback(new error_1.MongoInvalidArgumentError('Unable to continue SCRAM without valid nonce'));
+    }
+    const nonce = authContext.nonce;
+    const db = credentials.source;
+    const username = cleanUsername(credentials.username);
+    const password = credentials.password;
+    let processedPassword;
+    if (cryptoMethod === 'sha256') {
+        processedPassword = 'kModuleError' in deps_1.saslprep ? password : (0, deps_1.saslprep)(password);
+    }
+    else {
+        try {
+            processedPassword = passwordDigest(username, password);
+        }
+        catch (e) {
+            return callback(e);
+        }
+    }
+    const payload = Buffer.isBuffer(response.payload)
+        ? new bson_1.Binary(response.payload)
+        : response.payload;
+    const dict = parsePayload(payload.value());
+    const iterations = parseInt(dict.i, 10);
+    if (iterations && iterations < 4096) {
+        callback(
+        // TODO(NODE-3483)
+        new error_1.MongoRuntimeError(`Server returned an invalid iteration count ${iterations}`), false);
+        return;
+    }
+    const salt = dict.s;
+    const rnonce = dict.r;
+    if (rnonce.startsWith('nonce')) {
+        // TODO(NODE-3483)
+        callback(new error_1.MongoRuntimeError(`Server returned an invalid nonce: ${rnonce}`), false);
+        return;
+    }
+    // Set up start of proof
+    const withoutProof = `c=biws,r=${rnonce}`;
+    const saltedPassword = HI(processedPassword, Buffer.from(salt, 'base64'), iterations, cryptoMethod);
+    const clientKey = HMAC(cryptoMethod, saltedPassword, 'Client Key');
+    const serverKey = HMAC(cryptoMethod, saltedPassword, 'Server Key');
+    const storedKey = H(cryptoMethod, clientKey);
+    const authMessage = [clientFirstMessageBare(username, nonce), payload.value(), withoutProof].join(',');
+    const clientSignature = HMAC(cryptoMethod, storedKey, authMessage);
+    const clientProof = `p=${xor(clientKey, clientSignature)}`;
+    const clientFinal = [withoutProof, clientProof].join(',');
+    const serverSignature = HMAC(cryptoMethod, serverKey, authMessage);
+    const saslContinueCmd = {
+        saslContinue: 1,
+        conversationId: response.conversationId,
+        payload: new bson_1.Binary(Buffer.from(clientFinal))
+    };
+    connection.command((0, utils_1.ns)(`${db}.$cmd`), saslContinueCmd, undefined, (_err, r) => {
+        const err = resolveError(_err, r);
+        if (err) {
+            return callback(err);
+        }
+        const parsedResponse = parsePayload(r.payload.value());
+        if (!compareDigest(Buffer.from(parsedResponse.v, 'base64'), serverSignature)) {
+            callback(new error_1.MongoRuntimeError('Server returned an invalid signature'));
+            return;
+        }
+        if (!r || r.done !== false) {
+            return callback(err, r);
+        }
+        const retrySaslContinueCmd = {
+            saslContinue: 1,
+            conversationId: r.conversationId,
+            payload: Buffer.alloc(0)
+        };
+        connection.command((0, utils_1.ns)(`${db}.$cmd`), retrySaslContinueCmd, undefined, callback);
+    });
+}
+function parsePayload(payload) {
+    const dict = {};
+    const parts = payload.split(',');
+    for (let i = 0; i < parts.length; i++) {
+        const valueParts = parts[i].split('=');
+        dict[valueParts[0]] = valueParts[1];
+    }
+    return dict;
+}
+function passwordDigest(username, password) {
+    if (typeof username !== 'string') {
+        throw new error_1.MongoInvalidArgumentError('Username must be a string');
+    }
+    if (typeof password !== 'string') {
+        throw new error_1.MongoInvalidArgumentError('Password must be a string');
+    }
+    if (password.length === 0) {
+        throw new error_1.MongoInvalidArgumentError('Password cannot be empty');
+    }
+    let md5;
+    try {
+        md5 = crypto.createHash('md5');
+    }
+    catch (err) {
+        if (crypto.getFips()) {
+            // This error is (slightly) more helpful than what comes from OpenSSL directly, e.g.
+            // 'Error: error:060800C8:digital envelope routines:EVP_DigestInit_ex:disabled for FIPS'
+            throw new Error('Auth mechanism SCRAM-SHA-1 is not supported in FIPS mode');
+        }
+        throw err;
+    }
+    md5.update(`${username}:mongo:${password}`, 'utf8');
+    return md5.digest('hex');
+}
+// XOR two buffers
+function xor(a, b) {
+    if (!Buffer.isBuffer(a)) {
+        a = Buffer.from(a);
+    }
+    if (!Buffer.isBuffer(b)) {
+        b = Buffer.from(b);
+    }
+    const length = Math.max(a.length, b.length);
+    const res = [];
+    for (let i = 0; i < length; i += 1) {
+        res.push(a[i] ^ b[i]);
+    }
+    return Buffer.from(res).toString('base64');
+}
+function H(method, text) {
+    return crypto.createHash(method).update(text).digest();
+}
+function HMAC(method, key, text) {
+    return crypto.createHmac(method, key).update(text).digest();
+}
+let _hiCache = {};
+let _hiCacheCount = 0;
+function _hiCachePurge() {
+    _hiCache = {};
+    _hiCacheCount = 0;
+}
+const hiLengthMap = {
+    sha256: 32,
+    sha1: 20
+};
+function HI(data, salt, iterations, cryptoMethod) {
+    // omit the work if already generated
+    const key = [data, salt.toString('base64'), iterations].join('_');
+    if (_hiCache[key] != null) {
+        return _hiCache[key];
+    }
+    // generate the salt
+    const saltedData = crypto.pbkdf2Sync(data, salt, iterations, hiLengthMap[cryptoMethod], cryptoMethod);
+    // cache a copy to speed up the next lookup, but prevent unbounded cache growth
+    if (_hiCacheCount >= 200) {
+        _hiCachePurge();
+    }
+    _hiCache[key] = saltedData;
+    _hiCacheCount += 1;
+    return saltedData;
+}
+function compareDigest(lhs, rhs) {
+    if (lhs.length !== rhs.length) {
+        return false;
+    }
+    if (typeof crypto.timingSafeEqual === 'function') {
+        return crypto.timingSafeEqual(lhs, rhs);
+    }
+    let result = 0;
+    for (let i = 0; i < lhs.length; i++) {
+        result |= lhs[i] ^ rhs[i];
+    }
+    return result === 0;
+}
+function resolveError(err, result) {
+    if (err)
+        return err;
+    if (result) {
+        if (result.$err || result.errmsg)
+            return new error_1.MongoServerError(result);
+    }
+    return;
+}
+class ScramSHA1 extends ScramSHA {
+    constructor() {
+        super('sha1');
+    }
+}
+exports.ScramSHA1 = ScramSHA1;
+class ScramSHA256 extends ScramSHA {
+    constructor() {
+        super('sha256');
+    }
+}
+exports.ScramSHA256 = ScramSHA256;
+//# sourceMappingURL=scram.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/scram.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/scram.js.map
new file mode 100644
index 000000000..c94940db2
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/scram.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"scram.js","sourceRoot":"","sources":["../../../src/cmap/auth/scram.ts"],"names":[],"mappings":";;;AAAA,iCAAiC;AAEjC,qCAA8C;AAC9C,qCAAsC;AACtC,uCAMqB;AACrB,uCAAwD;AAExD,mDAA4D;AAE5D,2CAA4C;AAI5C,MAAM,QAAS,SAAQ,4BAAY;IAEjC,YAAY,YAA0B;QACpC,KAAK,EAAE,CAAC;QACR,IAAI,CAAC,YAAY,GAAG,YAAY,IAAI,MAAM,CAAC;IAC7C,CAAC;IAEQ,OAAO,CAAC,YAA+B,EAAE,WAAwB,EAAE,QAAkB;QAC5F,MAAM,YAAY,GAAG,IAAI,CAAC,YAAY,CAAC;QACvC,MAAM,WAAW,GAAG,WAAW,CAAC,WAAW,CAAC;QAC5C,IAAI,CAAC,WAAW,EAAE;YAChB,OAAO,QAAQ,CAAC,IAAI,oCAA4B,CAAC,uCAAuC,CAAC,CAAC,CAAC;SAC5F;QACD,IAAI,YAAY,KAAK,QAAQ,IAAI,eAAQ,IAAI,IAAI,EAAE;YACjD,IAAA,mBAAW,EAAC,yEAAyE,CAAC,CAAC;SACxF;QAED,MAAM,CAAC,WAAW,CAAC,EAAE,EAAE,CAAC,GAAG,EAAE,KAAK,EAAE,EAAE;YACpC,IAAI,GAAG,EAAE;gBACP,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;aACtB;YAED,gCAAgC;YAChC,MAAM,CAAC,MAAM,CAAC,WAAW,EAAE,EAAE,KAAK,EAAE,CAAC,CAAC;YAEtC,MAAM,OAAO,GAAG,MAAM,CAAC,MAAM,CAAC,EAAE,EAAE,YAAY,EAAE;gBAC9C,uBAAuB,EAAE,MAAM,CAAC,MAAM,CAAC,gBAAgB,CAAC,YAAY,EAAE,WAAW,EAAE,KAAK,CAAC,EAAE;oBACzF,EAAE,EAAE,WAAW,CAAC,MAAM;iBACvB,CAAC;aACH,CAAC,CAAC;YAEH,QAAQ,CAAC,SAAS,EAAE,OAAO,CAAC,CAAC;QAC/B,CAAC,CAAC,CAAC;IACL,CAAC;IAEQ,IAAI,CAAC,WAAwB,EAAE,QAAkB;QACxD,MAAM,QAAQ,GAAG,WAAW,CAAC,QAAQ,CAAC;QACtC,IAAI,QAAQ,IAAI,QAAQ,CAAC,uBAAuB,EAAE;YAChD,yBAAyB,CACvB,IAAI,CAAC,YAAY,EACjB,QAAQ,CAAC,uBAAuB,EAChC,WAAW,EACX,QAAQ,CACT,CAAC;YAEF,OAAO;SACR;QAED,YAAY,CAAC,IAAI,CAAC,YAAY,EAAE,WAAW,EAAE,QAAQ,CAAC,CAAC;IACzD,CAAC;CACF;AAED,SAAS,aAAa,CAAC,QAAgB;IACrC,OAAO,QAAQ,CAAC,OAAO,CAAC,GAAG,EAAE,KAAK,CAAC,CAAC,OAAO,CAAC,GAAG,EAAE,KAAK,CAAC,CAAC;AAC1D,CAAC;AAED,SAAS,sBAAsB,CAAC,QAAgB,EAAE,KAAa;IAC7D,qFAAqF;IACrF,kEAAkE;IAClE,OAAO,MAAM,CAAC,MAAM,CAAC;QACnB,MAAM,CAAC,IAAI,CAAC,IAAI,EAAE,MAAM,CAAC;QACzB,MAAM,CAAC,IAAI,CAAC,QAAQ,EAAE,MAAM,CAAC;QAC7B,MAAM,CAAC,IAAI,CAAC,KAAK,EAAE,MAAM,CAAC;QAC1B,MAAM,CAAC,IAAI,CAAC,KAAK,CAAC,QAAQ,CAAC,QAAQ,CAAC,EAAE,MAAM,CAAC;KAC9C,CAAC,CAAC;AACL,CAAC;AAED,SAAS,gBAAgB,CACvB,YAA0B,EAC1B,WAA6B,EAC7B,KAAa;IAEb,MAAM,QAAQ,GAAG,aAAa,CAAC,WAAW,CAAC,QAAQ,CAAC,CAAC;IACrD,MAAM,SAAS,GACb,YAAY,KAAK,MAAM,CAAC,CAAC,CAAC,yBAAa,CAAC,kBAAkB,CAAC,CAAC,CAAC,yBAAa,CAAC,oBAAoB,CAAC;IAElG,qFAAqF;IACrF,kEAAkE;IAClE,OAAO;QACL,SAAS,EAAE,CAAC;QACZ,SAAS;QACT,OAAO,EAAE,IAAI,aAAM,CACjB,MAAM,CAAC,MAAM,CAAC,CAAC,MAAM,CAAC,IAAI,CAAC,KAAK,EAAE,MAAM,CAAC,EAAE,sBAAsB,CAAC,QAAQ,EAAE,KAAK,CAAC,CAAC,CAAC,CACrF;QACD,aAAa,EAAE,CAAC;QAChB,OAAO,EAAE,EAAE,iBAAiB,EAAE,IAAI,EAAE;KACrC,CAAC;AACJ,CAAC;AAED,SAAS,YAAY,CAAC,YAA0B,EAAE,WAAwB,EAAE,QAAkB;IAC5F,MAAM,EAAE,UAAU,EAAE,WAAW,EAAE,GAAG,WAAW,CAAC;IAChD,IAAI,CAAC,WAAW,EAAE;QAChB,OAAO,QAAQ,CAAC,IAAI,oCAA4B,CAAC,uCAAuC,CAAC,CAAC,CAAC;KAC5F;IACD,IAAI,CAAC,WAAW,CAAC,KAAK,EAAE;QACtB,OAAO,QAAQ,CACb,IAAI,iCAAyB,CAAC,iDAAiD,CAAC,CACjF,CAAC;KACH;IACD,MAAM,KAAK,GAAG,WAAW,CAAC,KAAK,CAAC;IAChC,MAAM,EAAE,GAAG,WAAW,CAAC,MAAM,CAAC;IAE9B,MAAM,YAAY,GAAG,gBAAgB,CAAC,YAAY,EAAE,WAAW,EAAE,KAAK,CAAC,CAAC;IACxE,UAAU,CAAC,OAAO,CAAC,IAAA,UAAE,EAAC,GAAG,EAAE,OAAO,CAAC,EAAE,YAAY,EAAE,SAAS,EAAE,CAAC,IAAI,EAAE,MAAM,EAAE,EAAE;QAC7E,MAAM,GAAG,GAAG,YAAY,CAAC,IAAI,EAAE,MAAM,CAAC,CAAC;QACvC,IAAI,GAAG,EAAE;YACP,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;SACtB;QAED,yBAAyB,CAAC,YAAY,EAAE,MAAM,EAAE,WAAW,EAAE,QAAQ,CAAC,CAAC;IACzE,CAAC,CAAC,CAAC;AACL,CAAC;AAED,SAAS,yBAAyB,CAChC,YAA0B,EAC1B,QAAkB,EAClB,WAAwB,EACxB,QAAkB;IAElB,MAAM,UAAU,GAAG,WAAW,CAAC,UAAU,CAAC;IAC1C,MAAM,WAAW,GAAG,WAAW,CAAC,WAAW,CAAC;IAC5C,IAAI,CAAC,WAAW,EAAE;QAChB,OAAO,QAAQ,CAAC,IAAI,oCAA4B,CAAC,uCAAuC,CAAC,CAAC,CAAC;KAC5F;IACD,IAAI,CAAC,WAAW,CAAC,KAAK,EAAE;QACtB,OAAO,QAAQ,CAAC,IAAI,iCAAyB,CAAC,8CAA8C,CAAC,CAAC,CAAC;KAChG;IACD,MAAM,KAAK,GAAG,WAAW,CAAC,KAAK,CAAC;IAEhC,MAAM,EAAE,GAAG,WAAW,CAAC,MAAM,CAAC;IAC9B,MAAM,QAAQ,GAAG,aAAa,CAAC,WAAW,CAAC,QAAQ,CAAC,CAAC;IACrD,MAAM,QAAQ,GAAG,WAAW,CAAC,QAAQ,CAAC;IAEtC,IAAI,iBAAiB,CAAC;IACtB,IAAI,YAAY,KAAK,QAAQ,EAAE;QAC7B,iBAAiB,GAAG,cAAc,IAAI,eAAQ,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,CAAC,IAAA,eAAQ,EAAC,QAAQ,CAAC,CAAC;KAChF;SAAM;QACL,IAAI;YACF,iBAAiB,GAAG,cAAc,CAAC,QAAQ,EAAE,QAAQ,CAAC,CAAC;SACxD;QAAC,OAAO,CAAC,EAAE;YACV,OAAO,QAAQ,CAAC,CAAC,CAAC,CAAC;SACpB;KACF;IAED,MAAM,OAAO,GAAG,MAAM,CAAC,QAAQ,CAAC,QAAQ,CAAC,OAAO,CAAC;QAC/C,CAAC,CAAC,IAAI,aAAM,CAAC,QAAQ,CAAC,OAAO,CAAC;QAC9B,CAAC,CAAC,QAAQ,CAAC,OAAO,CAAC;IACrB,MAAM,IAAI,GAAG,YAAY,CAAC,OAAO,CAAC,KAAK,EAAE,CAAC,CAAC;IAE3C,MAAM,UAAU,GAAG,QAAQ,CAAC,IAAI,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC;IACxC,IAAI,UAAU,IAAI,UAAU,GAAG,IAAI,EAAE;QACnC,QAAQ;QACN,kBAAkB;QAClB,IAAI,yBAAiB,CAAC,8CAA8C,UAAU,EAAE,CAAC,EACjF,KAAK,CACN,CAAC;QACF,OAAO;KACR;IAED,MAAM,IAAI,GAAG,IAAI,CAAC,CAAC,CAAC;IACpB,MAAM,MAAM,GAAG,IAAI,CAAC,CAAC,CAAC;IACtB,IAAI,MAAM,CAAC,UAAU,CAAC,OAAO,CAAC,EAAE;QAC9B,kBAAkB;QAClB,QAAQ,CAAC,IAAI,yBAAiB,CAAC,qCAAqC,MAAM,EAAE,CAAC,EAAE,KAAK,CAAC,CAAC;QACtF,OAAO;KACR;IAED,wBAAwB;IACxB,MAAM,YAAY,GAAG,YAAY,MAAM,EAAE,CAAC;IAC1C,MAAM,cAAc,GAAG,EAAE,CACvB,iBAAiB,EACjB,MAAM,CAAC,IAAI,CAAC,IAAI,EAAE,QAAQ,CAAC,EAC3B,UAAU,EACV,YAAY,CACb,CAAC;IAEF,MAAM,SAAS,GAAG,IAAI,CAAC,YAAY,EAAE,cAAc,EAAE,YAAY,CAAC,CAAC;IACnE,MAAM,SAAS,GAAG,IAAI,CAAC,YAAY,EAAE,cAAc,EAAE,YAAY,CAAC,CAAC;IACnE,MAAM,SAAS,GAAG,CAAC,CAAC,YAAY,EAAE,SAAS,CAAC,CAAC;IAC7C,MAAM,WAAW,GAAG,CA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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/x509.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/x509.js
new file mode 100644
index 000000000..02fe38539
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/x509.js
@@ -0,0 +1,39 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.X509 = void 0;
+const error_1 = require("../../error");
+const utils_1 = require("../../utils");
+const auth_provider_1 = require("./auth_provider");
+class X509 extends auth_provider_1.AuthProvider {
+    prepare(handshakeDoc, authContext, callback) {
+        const { credentials } = authContext;
+        if (!credentials) {
+            return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+        }
+        Object.assign(handshakeDoc, {
+            speculativeAuthenticate: x509AuthenticateCommand(credentials)
+        });
+        callback(undefined, handshakeDoc);
+    }
+    auth(authContext, callback) {
+        const connection = authContext.connection;
+        const credentials = authContext.credentials;
+        if (!credentials) {
+            return callback(new error_1.MongoMissingCredentialsError('AuthContext must provide credentials.'));
+        }
+        const response = authContext.response;
+        if (response && response.speculativeAuthenticate) {
+            return callback();
+        }
+        connection.command((0, utils_1.ns)('$external.$cmd'), x509AuthenticateCommand(credentials), undefined, callback);
+    }
+}
+exports.X509 = X509;
+function x509AuthenticateCommand(credentials) {
+    const command = { authenticate: 1, mechanism: 'MONGODB-X509' };
+    if (credentials.username) {
+        command.user = credentials.username;
+    }
+    return command;
+}
+//# sourceMappingURL=x509.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/x509.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/x509.js.map
new file mode 100644
index 000000000..84af5792f
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/auth/x509.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/command_monitoring_events.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/command_monitoring_events.js
new file mode 100644
index 000000000..7bcfe3f5a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/command_monitoring_events.js
@@ -0,0 +1,243 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CommandFailedEvent = exports.CommandSucceededEvent = exports.CommandStartedEvent = void 0;
+const constants_1 = require("../constants");
+const utils_1 = require("../utils");
+const commands_1 = require("./commands");
+/**
+ * An event indicating the start of a given
+ * @public
+ * @category Event
+ */
+class CommandStartedEvent {
+    /**
+     * Create a started event
+     *
+     * @internal
+     * @param pool - the pool that originated the command
+     * @param command - the command
+     */
+    constructor(connection, command) {
+        const cmd = extractCommand(command);
+        const commandName = extractCommandName(cmd);
+        const { address, connectionId, serviceId } = extractConnectionDetails(connection);
+        // TODO: remove in major revision, this is not spec behavior
+        if (SENSITIVE_COMMANDS.has(commandName)) {
+            this.commandObj = {};
+            this.commandObj[commandName] = true;
+        }
+        this.address = address;
+        this.connectionId = connectionId;
+        this.serviceId = serviceId;
+        this.requestId = command.requestId;
+        this.databaseName = databaseName(command);
+        this.commandName = commandName;
+        this.command = maybeRedact(commandName, cmd, cmd);
+    }
+    /* @internal */
+    get hasServiceId() {
+        return !!this.serviceId;
+    }
+}
+exports.CommandStartedEvent = CommandStartedEvent;
+/**
+ * An event indicating the success of a given command
+ * @public
+ * @category Event
+ */
+class CommandSucceededEvent {
+    /**
+     * Create a succeeded event
+     *
+     * @internal
+     * @param pool - the pool that originated the command
+     * @param command - the command
+     * @param reply - the reply for this command from the server
+     * @param started - a high resolution tuple timestamp of when the command was first sent, to calculate duration
+     */
+    constructor(connection, command, reply, started) {
+        const cmd = extractCommand(command);
+        const commandName = extractCommandName(cmd);
+        const { address, connectionId, serviceId } = extractConnectionDetails(connection);
+        this.address = address;
+        this.connectionId = connectionId;
+        this.serviceId = serviceId;
+        this.requestId = command.requestId;
+        this.commandName = commandName;
+        this.duration = (0, utils_1.calculateDurationInMs)(started);
+        this.reply = maybeRedact(commandName, cmd, extractReply(command, reply));
+    }
+    /* @internal */
+    get hasServiceId() {
+        return !!this.serviceId;
+    }
+}
+exports.CommandSucceededEvent = CommandSucceededEvent;
+/**
+ * An event indicating the failure of a given command
+ * @public
+ * @category Event
+ */
+class CommandFailedEvent {
+    /**
+     * Create a failure event
+     *
+     * @internal
+     * @param pool - the pool that originated the command
+     * @param command - the command
+     * @param error - the generated error or a server error response
+     * @param started - a high resolution tuple timestamp of when the command was first sent, to calculate duration
+     */
+    constructor(connection, command, error, started) {
+        const cmd = extractCommand(command);
+        const commandName = extractCommandName(cmd);
+        const { address, connectionId, serviceId } = extractConnectionDetails(connection);
+        this.address = address;
+        this.connectionId = connectionId;
+        this.serviceId = serviceId;
+        this.requestId = command.requestId;
+        this.commandName = commandName;
+        this.duration = (0, utils_1.calculateDurationInMs)(started);
+        this.failure = maybeRedact(commandName, cmd, error);
+    }
+    /* @internal */
+    get hasServiceId() {
+        return !!this.serviceId;
+    }
+}
+exports.CommandFailedEvent = CommandFailedEvent;
+/** Commands that we want to redact because of the sensitive nature of their contents */
+const SENSITIVE_COMMANDS = new Set([
+    'authenticate',
+    'saslStart',
+    'saslContinue',
+    'getnonce',
+    'createUser',
+    'updateUser',
+    'copydbgetnonce',
+    'copydbsaslstart',
+    'copydb'
+]);
+const HELLO_COMMANDS = new Set(['hello', constants_1.LEGACY_HELLO_COMMAND, constants_1.LEGACY_HELLO_COMMAND_CAMEL_CASE]);
+// helper methods
+const extractCommandName = (commandDoc) => Object.keys(commandDoc)[0];
+const namespace = (command) => command.ns;
+const databaseName = (command) => command.ns.split('.')[0];
+const collectionName = (command) => command.ns.split('.')[1];
+const maybeRedact = (commandName, commandDoc, result) => SENSITIVE_COMMANDS.has(commandName) ||
+    (HELLO_COMMANDS.has(commandName) && commandDoc.speculativeAuthenticate)
+    ? {}
+    : result;
+const LEGACY_FIND_QUERY_MAP = {
+    $query: 'filter',
+    $orderby: 'sort',
+    $hint: 'hint',
+    $comment: 'comment',
+    $maxScan: 'maxScan',
+    $max: 'max',
+    $min: 'min',
+    $returnKey: 'returnKey',
+    $showDiskLoc: 'showRecordId',
+    $maxTimeMS: 'maxTimeMS',
+    $snapshot: 'snapshot'
+};
+const LEGACY_FIND_OPTIONS_MAP = {
+    numberToSkip: 'skip',
+    numberToReturn: 'batchSize',
+    returnFieldSelector: 'projection'
+};
+const OP_QUERY_KEYS = [
+    'tailable',
+    'oplogReplay',
+    'noCursorTimeout',
+    'awaitData',
+    'partial',
+    'exhaust'
+];
+/** Extract the actual command from the query, possibly up-converting if it's a legacy format */
+function extractCommand(command) {
+    var _a;
+    if (command instanceof commands_1.Msg) {
+        return (0, utils_1.deepCopy)(command.command);
+    }
+    if ((_a = command.query) === null || _a === void 0 ? void 0 : _a.$query) {
+        let result;
+        if (command.ns === 'admin.$cmd') {
+            // up-convert legacy command
+            result = Object.assign({}, command.query.$query);
+        }
+        else {
+            // up-convert legacy find command
+            result = { find: collectionName(command) };
+            Object.keys(LEGACY_FIND_QUERY_MAP).forEach(key => {
+                if (command.query[key] != null) {
+                    result[LEGACY_FIND_QUERY_MAP[key]] = (0, utils_1.deepCopy)(command.query[key]);
+                }
+            });
+        }
+        Object.keys(LEGACY_FIND_OPTIONS_MAP).forEach(key => {
+            const legacyKey = key;
+            if (command[legacyKey] != null) {
+                result[LEGACY_FIND_OPTIONS_MAP[legacyKey]] = (0, utils_1.deepCopy)(command[legacyKey]);
+            }
+        });
+        OP_QUERY_KEYS.forEach(key => {
+            if (command[key]) {
+                result[key] = command[key];
+            }
+        });
+        if (command.pre32Limit != null) {
+            result.limit = command.pre32Limit;
+        }
+        if (command.query.$explain) {
+            return { explain: result };
+        }
+        return result;
+    }
+    const clonedQuery = {};
+    const clonedCommand = {};
+    if (command.query) {
+        for (const k in command.query) {
+            clonedQuery[k] = (0, utils_1.deepCopy)(command.query[k]);
+        }
+        clonedCommand.query = clonedQuery;
+    }
+    for (const k in command) {
+        if (k === 'query')
+            continue;
+        clonedCommand[k] = (0, utils_1.deepCopy)(command[k]);
+    }
+    return command.query ? clonedQuery : clonedCommand;
+}
+function extractReply(command, reply) {
+    if (!reply) {
+        return reply;
+    }
+    if (command instanceof commands_1.Msg) {
+        return (0, utils_1.deepCopy)(reply.result ? reply.result : reply);
+    }
+    // is this a legacy find command?
+    if (command.query && command.query.$query != null) {
+        return {
+            ok: 1,
+            cursor: {
+                id: (0, utils_1.deepCopy)(reply.cursorId),
+                ns: namespace(command),
+                firstBatch: (0, utils_1.deepCopy)(reply.documents)
+            }
+        };
+    }
+    return (0, utils_1.deepCopy)(reply.result ? reply.result : reply);
+}
+function extractConnectionDetails(connection) {
+    let connectionId;
+    if ('id' in connection) {
+        connectionId = connection.id;
+    }
+    return {
+        address: connection.address,
+        serviceId: connection.serviceId,
+        connectionId
+    };
+}
+//# sourceMappingURL=command_monitoring_events.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/command_monitoring_events.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/command_monitoring_events.js.map
new file mode 100644
index 000000000..e88e96ff2
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/command_monitoring_events.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/commands.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/commands.js
new file mode 100644
index 000000000..1fce711c6
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/commands.js
@@ -0,0 +1,481 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.BinMsg = exports.Msg = exports.Response = exports.Query = void 0;
+const BSON = require("../bson");
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const utils_1 = require("../utils");
+const constants_1 = require("./wire_protocol/constants");
+// Incrementing request id
+let _requestId = 0;
+// Query flags
+const OPTS_TAILABLE_CURSOR = 2;
+const OPTS_SECONDARY = 4;
+const OPTS_OPLOG_REPLAY = 8;
+const OPTS_NO_CURSOR_TIMEOUT = 16;
+const OPTS_AWAIT_DATA = 32;
+const OPTS_EXHAUST = 64;
+const OPTS_PARTIAL = 128;
+// Response flags
+const CURSOR_NOT_FOUND = 1;
+const QUERY_FAILURE = 2;
+const SHARD_CONFIG_STALE = 4;
+const AWAIT_CAPABLE = 8;
+/**************************************************************
+ * QUERY
+ **************************************************************/
+/** @internal */
+class Query {
+    constructor(ns, query, options) {
+        // Basic options needed to be passed in
+        // TODO(NODE-3483): Replace with MongoCommandError
+        if (ns == null)
+            throw new error_1.MongoRuntimeError('Namespace must be specified for query');
+        // TODO(NODE-3483): Replace with MongoCommandError
+        if (query == null)
+            throw new error_1.MongoRuntimeError('A query document must be specified for query');
+        // Validate that we are not passing 0x00 in the collection name
+        if (ns.indexOf('\x00') !== -1) {
+            // TODO(NODE-3483): Use MongoNamespace static method
+            throw new error_1.MongoRuntimeError('Namespace cannot contain a null character');
+        }
+        // Basic options
+        this.ns = ns;
+        this.query = query;
+        // Additional options
+        this.numberToSkip = options.numberToSkip || 0;
+        this.numberToReturn = options.numberToReturn || 0;
+        this.returnFieldSelector = options.returnFieldSelector || undefined;
+        this.requestId = Query.getRequestId();
+        // special case for pre-3.2 find commands, delete ASAP
+        this.pre32Limit = options.pre32Limit;
+        // Serialization option
+        this.serializeFunctions =
+            typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+        this.ignoreUndefined =
+            typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : false;
+        this.maxBsonSize = options.maxBsonSize || 1024 * 1024 * 16;
+        this.checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+        this.batchSize = this.numberToReturn;
+        // Flags
+        this.tailable = false;
+        this.secondaryOk = typeof options.secondaryOk === 'boolean' ? options.secondaryOk : false;
+        this.oplogReplay = false;
+        this.noCursorTimeout = false;
+        this.awaitData = false;
+        this.exhaust = false;
+        this.partial = false;
+    }
+    /** Assign next request Id. */
+    incRequestId() {
+        this.requestId = _requestId++;
+    }
+    /** Peek next request Id. */
+    nextRequestId() {
+        return _requestId + 1;
+    }
+    /** Increment then return next request Id. */
+    static getRequestId() {
+        return ++_requestId;
+    }
+    // Uses a single allocated buffer for the process, avoiding multiple memory allocations
+    toBin() {
+        const buffers = [];
+        let projection = null;
+        // Set up the flags
+        let flags = 0;
+        if (this.tailable) {
+            flags |= OPTS_TAILABLE_CURSOR;
+        }
+        if (this.secondaryOk) {
+            flags |= OPTS_SECONDARY;
+        }
+        if (this.oplogReplay) {
+            flags |= OPTS_OPLOG_REPLAY;
+        }
+        if (this.noCursorTimeout) {
+            flags |= OPTS_NO_CURSOR_TIMEOUT;
+        }
+        if (this.awaitData) {
+            flags |= OPTS_AWAIT_DATA;
+        }
+        if (this.exhaust) {
+            flags |= OPTS_EXHAUST;
+        }
+        if (this.partial) {
+            flags |= OPTS_PARTIAL;
+        }
+        // If batchSize is different to this.numberToReturn
+        if (this.batchSize !== this.numberToReturn)
+            this.numberToReturn = this.batchSize;
+        // Allocate write protocol header buffer
+        const header = Buffer.alloc(4 * 4 + // Header
+            4 + // Flags
+            Buffer.byteLength(this.ns) +
+            1 + // namespace
+            4 + // numberToSkip
+            4 // numberToReturn
+        );
+        // Add header to buffers
+        buffers.push(header);
+        // Serialize the query
+        const query = BSON.serialize(this.query, {
+            checkKeys: this.checkKeys,
+            serializeFunctions: this.serializeFunctions,
+            ignoreUndefined: this.ignoreUndefined
+        });
+        // Add query document
+        buffers.push(query);
+        if (this.returnFieldSelector && Object.keys(this.returnFieldSelector).length > 0) {
+            // Serialize the projection document
+            projection = BSON.serialize(this.returnFieldSelector, {
+                checkKeys: this.checkKeys,
+                serializeFunctions: this.serializeFunctions,
+                ignoreUndefined: this.ignoreUndefined
+            });
+            // Add projection document
+            buffers.push(projection);
+        }
+        // Total message size
+        const totalLength = header.length + query.length + (projection ? projection.length : 0);
+        // Set up the index
+        let index = 4;
+        // Write total document length
+        header[3] = (totalLength >> 24) & 0xff;
+        header[2] = (totalLength >> 16) & 0xff;
+        header[1] = (totalLength >> 8) & 0xff;
+        header[0] = totalLength & 0xff;
+        // Write header information requestId
+        header[index + 3] = (this.requestId >> 24) & 0xff;
+        header[index + 2] = (this.requestId >> 16) & 0xff;
+        header[index + 1] = (this.requestId >> 8) & 0xff;
+        header[index] = this.requestId & 0xff;
+        index = index + 4;
+        // Write header information responseTo
+        header[index + 3] = (0 >> 24) & 0xff;
+        header[index + 2] = (0 >> 16) & 0xff;
+        header[index + 1] = (0 >> 8) & 0xff;
+        header[index] = 0 & 0xff;
+        index = index + 4;
+        // Write header information OP_QUERY
+        header[index + 3] = (constants_1.OP_QUERY >> 24) & 0xff;
+        header[index + 2] = (constants_1.OP_QUERY >> 16) & 0xff;
+        header[index + 1] = (constants_1.OP_QUERY >> 8) & 0xff;
+        header[index] = constants_1.OP_QUERY & 0xff;
+        index = index + 4;
+        // Write header information flags
+        header[index + 3] = (flags >> 24) & 0xff;
+        header[index + 2] = (flags >> 16) & 0xff;
+        header[index + 1] = (flags >> 8) & 0xff;
+        header[index] = flags & 0xff;
+        index = index + 4;
+        // Write collection name
+        index = index + header.write(this.ns, index, 'utf8') + 1;
+        header[index - 1] = 0;
+        // Write header information flags numberToSkip
+        header[index + 3] = (this.numberToSkip >> 24) & 0xff;
+        header[index + 2] = (this.numberToSkip >> 16) & 0xff;
+        header[index + 1] = (this.numberToSkip >> 8) & 0xff;
+        header[index] = this.numberToSkip & 0xff;
+        index = index + 4;
+        // Write header information flags numberToReturn
+        header[index + 3] = (this.numberToReturn >> 24) & 0xff;
+        header[index + 2] = (this.numberToReturn >> 16) & 0xff;
+        header[index + 1] = (this.numberToReturn >> 8) & 0xff;
+        header[index] = this.numberToReturn & 0xff;
+        index = index + 4;
+        // Return the buffers
+        return buffers;
+    }
+}
+exports.Query = Query;
+/** @internal */
+class Response {
+    constructor(message, msgHeader, msgBody, opts) {
+        this.documents = new Array(0);
+        this.parsed = false;
+        this.raw = message;
+        this.data = msgBody;
+        this.opts = opts !== null && opts !== void 0 ? opts : {
+            promoteLongs: true,
+            promoteValues: true,
+            promoteBuffers: false,
+            bsonRegExp: false
+        };
+        // Read the message header
+        this.length = msgHeader.length;
+        this.requestId = msgHeader.requestId;
+        this.responseTo = msgHeader.responseTo;
+        this.opCode = msgHeader.opCode;
+        this.fromCompressed = msgHeader.fromCompressed;
+        // Flag values
+        this.promoteLongs = typeof this.opts.promoteLongs === 'boolean' ? this.opts.promoteLongs : true;
+        this.promoteValues =
+            typeof this.opts.promoteValues === 'boolean' ? this.opts.promoteValues : true;
+        this.promoteBuffers =
+            typeof this.opts.promoteBuffers === 'boolean' ? this.opts.promoteBuffers : false;
+        this.bsonRegExp = typeof this.opts.bsonRegExp === 'boolean' ? this.opts.bsonRegExp : false;
+    }
+    isParsed() {
+        return this.parsed;
+    }
+    parse(options) {
+        var _a, _b, _c, _d;
+        // Don't parse again if not needed
+        if (this.parsed)
+            return;
+        options = options !== null && options !== void 0 ? options : {};
+        // Allow the return of raw documents instead of parsing
+        const raw = options.raw || false;
+        const documentsReturnedIn = options.documentsReturnedIn || null;
+        const promoteLongs = (_a = options.promoteLongs) !== null && _a !== void 0 ? _a : this.opts.promoteLongs;
+        const promoteValues = (_b = options.promoteValues) !== null && _b !== void 0 ? _b : this.opts.promoteValues;
+        const promoteBuffers = (_c = options.promoteBuffers) !== null && _c !== void 0 ? _c : this.opts.promoteBuffers;
+        const bsonRegExp = (_d = options.bsonRegExp) !== null && _d !== void 0 ? _d : this.opts.bsonRegExp;
+        let bsonSize;
+        // Set up the options
+        const _options = {
+            promoteLongs,
+            promoteValues,
+            promoteBuffers,
+            bsonRegExp
+        };
+        // Position within OP_REPLY at which documents start
+        // (See https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#wire-op-reply)
+        this.index = 20;
+        // Read the message body
+        this.responseFlags = this.data.readInt32LE(0);
+        this.cursorId = new BSON.Long(this.data.readInt32LE(4), this.data.readInt32LE(8));
+        this.startingFrom = this.data.readInt32LE(12);
+        this.numberReturned = this.data.readInt32LE(16);
+        // Preallocate document array
+        this.documents = new Array(this.numberReturned);
+        this.cursorNotFound = (this.responseFlags & CURSOR_NOT_FOUND) !== 0;
+        this.queryFailure = (this.responseFlags & QUERY_FAILURE) !== 0;
+        this.shardConfigStale = (this.responseFlags & SHARD_CONFIG_STALE) !== 0;
+        this.awaitCapable = (this.responseFlags & AWAIT_CAPABLE) !== 0;
+        // Parse Body
+        for (let i = 0; i < this.numberReturned; i++) {
+            bsonSize =
+                this.data[this.index] |
+                    (this.data[this.index + 1] << 8) |
+                    (this.data[this.index + 2] << 16) |
+                    (this.data[this.index + 3] << 24);
+            // If we have raw results specified slice the return document
+            if (raw) {
+                this.documents[i] = this.data.slice(this.index, this.index + bsonSize);
+            }
+            else {
+                this.documents[i] = BSON.deserialize(this.data.slice(this.index, this.index + bsonSize), _options);
+            }
+            // Adjust the index
+            this.index = this.index + bsonSize;
+        }
+        if (this.documents.length === 1 && documentsReturnedIn != null && raw) {
+            const fieldsAsRaw = {};
+            fieldsAsRaw[documentsReturnedIn] = true;
+            _options.fieldsAsRaw = fieldsAsRaw;
+            const doc = BSON.deserialize(this.documents[0], _options);
+            this.documents = [doc];
+        }
+        // Set parsed
+        this.parsed = true;
+    }
+}
+exports.Response = Response;
+// Implementation of OP_MSG spec:
+// https://github.com/mongodb/specifications/blob/master/source/message/OP_MSG.rst
+//
+// struct Section {
+//   uint8 payloadType;
+//   union payload {
+//       document  document; // payloadType == 0
+//       struct sequence { // payloadType == 1
+//           int32      size;
+//           cstring    identifier;
+//           document*  documents;
+//       };
+//   };
+// };
+// struct OP_MSG {
+//   struct MsgHeader {
+//       int32  messageLength;
+//       int32  requestID;
+//       int32  responseTo;
+//       int32  opCode = 2013;
+//   };
+//   uint32      flagBits;
+//   Section+    sections;
+//   [uint32     checksum;]
+// };
+// Msg Flags
+const OPTS_CHECKSUM_PRESENT = 1;
+const OPTS_MORE_TO_COME = 2;
+const OPTS_EXHAUST_ALLOWED = 1 << 16;
+/** @internal */
+class Msg {
+    constructor(ns, command, options) {
+        // Basic options needed to be passed in
+        if (command == null)
+            throw new error_1.MongoInvalidArgumentError('Query document must be specified for query');
+        // Basic options
+        this.ns = ns;
+        this.command = command;
+        this.command.$db = (0, utils_1.databaseNamespace)(ns);
+        if (options.readPreference && options.readPreference.mode !== read_preference_1.ReadPreference.PRIMARY) {
+            this.command.$readPreference = options.readPreference.toJSON();
+        }
+        // Ensure empty options
+        this.options = options !== null && options !== void 0 ? options : {};
+        // Additional options
+        this.requestId = options.requestId ? options.requestId : Msg.getRequestId();
+        // Serialization option
+        this.serializeFunctions =
+            typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+        this.ignoreUndefined =
+            typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : false;
+        this.checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+        this.maxBsonSize = options.maxBsonSize || 1024 * 1024 * 16;
+        // flags
+        this.checksumPresent = false;
+        this.moreToCome = options.moreToCome || false;
+        this.exhaustAllowed =
+            typeof options.exhaustAllowed === 'boolean' ? options.exhaustAllowed : false;
+    }
+    toBin() {
+        const buffers = [];
+        let flags = 0;
+        if (this.checksumPresent) {
+            flags |= OPTS_CHECKSUM_PRESENT;
+        }
+        if (this.moreToCome) {
+            flags |= OPTS_MORE_TO_COME;
+        }
+        if (this.exhaustAllowed) {
+            flags |= OPTS_EXHAUST_ALLOWED;
+        }
+        const header = Buffer.alloc(4 * 4 + // Header
+            4 // Flags
+        );
+        buffers.push(header);
+        let totalLength = header.length;
+        const command = this.command;
+        totalLength += this.makeDocumentSegment(buffers, command);
+        header.writeInt32LE(totalLength, 0); // messageLength
+        header.writeInt32LE(this.requestId, 4); // requestID
+        header.writeInt32LE(0, 8); // responseTo
+        header.writeInt32LE(constants_1.OP_MSG, 12); // opCode
+        header.writeUInt32LE(flags, 16); // flags
+        return buffers;
+    }
+    makeDocumentSegment(buffers, document) {
+        const payloadTypeBuffer = Buffer.alloc(1);
+        payloadTypeBuffer[0] = 0;
+        const documentBuffer = this.serializeBson(document);
+        buffers.push(payloadTypeBuffer);
+        buffers.push(documentBuffer);
+        return payloadTypeBuffer.length + documentBuffer.length;
+    }
+    serializeBson(document) {
+        return BSON.serialize(document, {
+            checkKeys: this.checkKeys,
+            serializeFunctions: this.serializeFunctions,
+            ignoreUndefined: this.ignoreUndefined
+        });
+    }
+    static getRequestId() {
+        _requestId = (_requestId + 1) & 0x7fffffff;
+        return _requestId;
+    }
+}
+exports.Msg = Msg;
+/** @internal */
+class BinMsg {
+    constructor(message, msgHeader, msgBody, opts) {
+        this.parsed = false;
+        this.raw = message;
+        this.data = msgBody;
+        this.opts = opts !== null && opts !== void 0 ? opts : {
+            promoteLongs: true,
+            promoteValues: true,
+            promoteBuffers: false,
+            bsonRegExp: false
+        };
+        // Read the message header
+        this.length = msgHeader.length;
+        this.requestId = msgHeader.requestId;
+        this.responseTo = msgHeader.responseTo;
+        this.opCode = msgHeader.opCode;
+        this.fromCompressed = msgHeader.fromCompressed;
+        // Read response flags
+        this.responseFlags = msgBody.readInt32LE(0);
+        this.checksumPresent = (this.responseFlags & OPTS_CHECKSUM_PRESENT) !== 0;
+        this.moreToCome = (this.responseFlags & OPTS_MORE_TO_COME) !== 0;
+        this.exhaustAllowed = (this.responseFlags & OPTS_EXHAUST_ALLOWED) !== 0;
+        this.promoteLongs = typeof this.opts.promoteLongs === 'boolean' ? this.opts.promoteLongs : true;
+        this.promoteValues =
+            typeof this.opts.promoteValues === 'boolean' ? this.opts.promoteValues : true;
+        this.promoteBuffers =
+            typeof this.opts.promoteBuffers === 'boolean' ? this.opts.promoteBuffers : false;
+        this.bsonRegExp = typeof this.opts.bsonRegExp === 'boolean' ? this.opts.bsonRegExp : false;
+        this.documents = [];
+    }
+    isParsed() {
+        return this.parsed;
+    }
+    parse(options) {
+        var _a, _b, _c, _d;
+        // Don't parse again if not needed
+        if (this.parsed)
+            return;
+        options = options !== null && options !== void 0 ? options : {};
+        this.index = 4;
+        // Allow the return of raw documents instead of parsing
+        const raw = options.raw || false;
+        const documentsReturnedIn = options.documentsReturnedIn || null;
+        const promoteLongs = (_a = options.promoteLongs) !== null && _a !== void 0 ? _a : this.opts.promoteLongs;
+        const promoteValues = (_b = options.promoteValues) !== null && _b !== void 0 ? _b : this.opts.promoteValues;
+        const promoteBuffers = (_c = options.promoteBuffers) !== null && _c !== void 0 ? _c : this.opts.promoteBuffers;
+        const bsonRegExp = (_d = options.bsonRegExp) !== null && _d !== void 0 ? _d : this.opts.bsonRegExp;
+        const validation = this.parseBsonSerializationOptions(options);
+        // Set up the options
+        const bsonOptions = {
+            promoteLongs,
+            promoteValues,
+            promoteBuffers,
+            bsonRegExp,
+            validation
+            // Due to the strictness of the BSON libraries validation option we need this cast
+        };
+        while (this.index < this.data.length) {
+            const payloadType = this.data.readUInt8(this.index++);
+            if (payloadType === 0) {
+                const bsonSize = this.data.readUInt32LE(this.index);
+                const bin = this.data.slice(this.index, this.index + bsonSize);
+                this.documents.push(raw ? bin : BSON.deserialize(bin, bsonOptions));
+                this.index += bsonSize;
+            }
+            else if (payloadType === 1) {
+                // It was decided that no driver makes use of payload type 1
+                // TODO(NODE-3483): Replace with MongoDeprecationError
+                throw new error_1.MongoRuntimeError('OP_MSG Payload Type 1 detected unsupported protocol');
+            }
+        }
+        if (this.documents.length === 1 && documentsReturnedIn != null && raw) {
+            const fieldsAsRaw = {};
+            fieldsAsRaw[documentsReturnedIn] = true;
+            bsonOptions.fieldsAsRaw = fieldsAsRaw;
+            const doc = BSON.deserialize(this.documents[0], bsonOptions);
+            this.documents = [doc];
+        }
+        this.parsed = true;
+    }
+    parseBsonSerializationOptions({ enableUtf8Validation }) {
+        if (enableUtf8Validation === false) {
+            return { utf8: false };
+        }
+        return { utf8: { writeErrors: false } };
+    }
+}
+exports.BinMsg = BinMsg;
+//# sourceMappingURL=commands.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/commands.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/commands.js.map
new file mode 100644
index 000000000..1dea16601
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/commands.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/connect.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connect.js
new file mode 100644
index 000000000..8a6029a6c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connect.js
@@ -0,0 +1,398 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.LEGAL_TCP_SOCKET_OPTIONS = exports.LEGAL_TLS_SOCKET_OPTIONS = exports.prepareHandshakeDocument = exports.connect = void 0;
+const net = require("net");
+const socks_1 = require("socks");
+const tls = require("tls");
+const bson_1 = require("../bson");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const auth_provider_1 = require("./auth/auth_provider");
+const gssapi_1 = require("./auth/gssapi");
+const mongocr_1 = require("./auth/mongocr");
+const mongodb_aws_1 = require("./auth/mongodb_aws");
+const plain_1 = require("./auth/plain");
+const providers_1 = require("./auth/providers");
+const scram_1 = require("./auth/scram");
+const x509_1 = require("./auth/x509");
+const connection_1 = require("./connection");
+const constants_2 = require("./wire_protocol/constants");
+const AUTH_PROVIDERS = new Map([
+    [providers_1.AuthMechanism.MONGODB_AWS, new mongodb_aws_1.MongoDBAWS()],
+    [providers_1.AuthMechanism.MONGODB_CR, new mongocr_1.MongoCR()],
+    [providers_1.AuthMechanism.MONGODB_GSSAPI, new gssapi_1.GSSAPI()],
+    [providers_1.AuthMechanism.MONGODB_PLAIN, new plain_1.Plain()],
+    [providers_1.AuthMechanism.MONGODB_SCRAM_SHA1, new scram_1.ScramSHA1()],
+    [providers_1.AuthMechanism.MONGODB_SCRAM_SHA256, new scram_1.ScramSHA256()],
+    [providers_1.AuthMechanism.MONGODB_X509, new x509_1.X509()]
+]);
+function connect(options, callback) {
+    makeConnection({ ...options, existingSocket: undefined }, (err, socket) => {
+        var _a;
+        if (err || !socket) {
+            return callback(err);
+        }
+        let ConnectionType = (_a = options.connectionType) !== null && _a !== void 0 ? _a : connection_1.Connection;
+        if (options.autoEncrypter) {
+            ConnectionType = connection_1.CryptoConnection;
+        }
+        performInitialHandshake(new ConnectionType(socket, options), options, callback);
+    });
+}
+exports.connect = connect;
+function checkSupportedServer(hello, options) {
+    var _a;
+    const serverVersionHighEnough = hello &&
+        (typeof hello.maxWireVersion === 'number' || hello.maxWireVersion instanceof bson_1.Int32) &&
+        hello.maxWireVersion >= constants_2.MIN_SUPPORTED_WIRE_VERSION;
+    const serverVersionLowEnough = hello &&
+        (typeof hello.minWireVersion === 'number' || hello.minWireVersion instanceof bson_1.Int32) &&
+        hello.minWireVersion <= constants_2.MAX_SUPPORTED_WIRE_VERSION;
+    if (serverVersionHighEnough) {
+        if (serverVersionLowEnough) {
+            return null;
+        }
+        const message = `Server at ${options.hostAddress} reports minimum wire version ${JSON.stringify(hello.minWireVersion)}, but this version of the Node.js Driver requires at most ${constants_2.MAX_SUPPORTED_WIRE_VERSION} (MongoDB ${constants_2.MAX_SUPPORTED_SERVER_VERSION})`;
+        return new error_1.MongoCompatibilityError(message);
+    }
+    const message = `Server at ${options.hostAddress} reports maximum wire version ${(_a = JSON.stringify(hello.maxWireVersion)) !== null && _a !== void 0 ? _a : 0}, but this version of the Node.js Driver requires at least ${constants_2.MIN_SUPPORTED_WIRE_VERSION} (MongoDB ${constants_2.MIN_SUPPORTED_SERVER_VERSION})`;
+    return new error_1.MongoCompatibilityError(message);
+}
+function performInitialHandshake(conn, options, _callback) {
+    const callback = function (err, ret) {
+        if (err && conn) {
+            conn.destroy();
+        }
+        _callback(err, ret);
+    };
+    const credentials = options.credentials;
+    if (credentials) {
+        if (!(credentials.mechanism === providers_1.AuthMechanism.MONGODB_DEFAULT) &&
+            !AUTH_PROVIDERS.get(credentials.mechanism)) {
+            callback(new error_1.MongoInvalidArgumentError(`AuthMechanism '${credentials.mechanism}' not supported`));
+            return;
+        }
+    }
+    const authContext = new auth_provider_1.AuthContext(conn, credentials, options);
+    prepareHandshakeDocument(authContext, (err, handshakeDoc) => {
+        if (err || !handshakeDoc) {
+            return callback(err);
+        }
+        const handshakeOptions = Object.assign({}, options);
+        if (typeof options.connectTimeoutMS === 'number') {
+            // The handshake technically is a monitoring check, so its socket timeout should be connectTimeoutMS
+            handshakeOptions.socketTimeoutMS = options.connectTimeoutMS;
+        }
+        const start = new Date().getTime();
+        conn.command((0, utils_1.ns)('admin.$cmd'), handshakeDoc, handshakeOptions, (err, response) => {
+            if (err) {
+                callback(err);
+                return;
+            }
+            if ((response === null || response === void 0 ? void 0 : response.ok) === 0) {
+                callback(new error_1.MongoServerError(response));
+                return;
+            }
+            if (!('isWritablePrimary' in response)) {
+                // Provide hello-style response document.
+                response.isWritablePrimary = response[constants_1.LEGACY_HELLO_COMMAND];
+            }
+            if (response.helloOk) {
+                conn.helloOk = true;
+            }
+            const supportedServerErr = checkSupportedServer(response, options);
+            if (supportedServerErr) {
+                callback(supportedServerErr);
+                return;
+            }
+            if (options.loadBalanced) {
+                if (!response.serviceId) {
+                    return callback(new error_1.MongoCompatibilityError('Driver attempted to initialize in load balancing mode, ' +
+                        'but the server does not support this mode.'));
+                }
+            }
+            // NOTE: This is metadata attached to the connection while porting away from
+            //       handshake being done in the `Server` class. Likely, it should be
+            //       relocated, or at very least restructured.
+            conn.hello = response;
+            conn.lastHelloMS = new Date().getTime() - start;
+            if (!response.arbiterOnly && credentials) {
+                // store the response on auth context
+                authContext.response = response;
+                const resolvedCredentials = credentials.resolveAuthMechanism(response);
+                const provider = AUTH_PROVIDERS.get(resolvedCredentials.mechanism);
+                if (!provider) {
+                    return callback(new error_1.MongoInvalidArgumentError(`No AuthProvider for ${resolvedCredentials.mechanism} defined.`));
+                }
+                provider.auth(authContext, err => {
+                    if (err) {
+                        if (err instanceof error_1.MongoError) {
+                            err.addErrorLabel(error_1.MongoErrorLabel.HandshakeError);
+                            if ((0, error_1.needsRetryableWriteLabel)(err, response.maxWireVersion)) {
+                                err.addErrorLabel(error_1.MongoErrorLabel.RetryableWriteError);
+                            }
+                        }
+                        return callback(err);
+                    }
+                    callback(undefined, conn);
+                });
+                return;
+            }
+            callback(undefined, conn);
+        });
+    });
+}
+/**
+ * @internal
+ *
+ * This function is only exposed for testing purposes.
+ */
+function prepareHandshakeDocument(authContext, callback) {
+    const options = authContext.options;
+    const compressors = options.compressors ? options.compressors : [];
+    const { serverApi } = authContext.connection;
+    const handshakeDoc = {
+        [(serverApi === null || serverApi === void 0 ? void 0 : serverApi.version) ? 'hello' : constants_1.LEGACY_HELLO_COMMAND]: true,
+        helloOk: true,
+        client: options.metadata || (0, utils_1.makeClientMetadata)(options),
+        compression: compressors
+    };
+    if (options.loadBalanced === true) {
+        handshakeDoc.loadBalanced = true;
+    }
+    const credentials = authContext.credentials;
+    if (credentials) {
+        if (credentials.mechanism === providers_1.AuthMechanism.MONGODB_DEFAULT && credentials.username) {
+            handshakeDoc.saslSupportedMechs = `${credentials.source}.${credentials.username}`;
+            const provider = AUTH_PROVIDERS.get(providers_1.AuthMechanism.MONGODB_SCRAM_SHA256);
+            if (!provider) {
+                // This auth mechanism is always present.
+                return callback(new error_1.MongoInvalidArgumentError(`No AuthProvider for ${providers_1.AuthMechanism.MONGODB_SCRAM_SHA256} defined.`));
+            }
+            return provider.prepare(handshakeDoc, authContext, callback);
+        }
+        const provider = AUTH_PROVIDERS.get(credentials.mechanism);
+        if (!provider) {
+            return callback(new error_1.MongoInvalidArgumentError(`No AuthProvider for ${credentials.mechanism} defined.`));
+        }
+        return provider.prepare(handshakeDoc, authContext, callback);
+    }
+    callback(undefined, handshakeDoc);
+}
+exports.prepareHandshakeDocument = prepareHandshakeDocument;
+/** @public */
+exports.LEGAL_TLS_SOCKET_OPTIONS = [
+    'ALPNProtocols',
+    'ca',
+    'cert',
+    'checkServerIdentity',
+    'ciphers',
+    'crl',
+    'ecdhCurve',
+    'key',
+    'minDHSize',
+    'passphrase',
+    'pfx',
+    'rejectUnauthorized',
+    'secureContext',
+    'secureProtocol',
+    'servername',
+    'session'
+];
+/** @public */
+exports.LEGAL_TCP_SOCKET_OPTIONS = [
+    'family',
+    'hints',
+    'localAddress',
+    'localPort',
+    'lookup'
+];
+function parseConnectOptions(options) {
+    const hostAddress = options.hostAddress;
+    if (!hostAddress)
+        throw new error_1.MongoInvalidArgumentError('Option "hostAddress" is required');
+    const result = {};
+    for (const name of exports.LEGAL_TCP_SOCKET_OPTIONS) {
+        if (options[name] != null) {
+            result[name] = options[name];
+        }
+    }
+    if (typeof hostAddress.socketPath === 'string') {
+        result.path = hostAddress.socketPath;
+        return result;
+    }
+    else if (typeof hostAddress.host === 'string') {
+        result.host = hostAddress.host;
+        result.port = hostAddress.port;
+        return result;
+    }
+    else {
+        // This should never happen since we set up HostAddresses
+        // But if we don't throw here the socket could hang until timeout
+        // TODO(NODE-3483)
+        throw new error_1.MongoRuntimeError(`Unexpected HostAddress ${JSON.stringify(hostAddress)}`);
+    }
+}
+function parseSslOptions(options) {
+    const result = parseConnectOptions(options);
+    // Merge in valid SSL options
+    for (const name of exports.LEGAL_TLS_SOCKET_OPTIONS) {
+        if (options[name] != null) {
+            result[name] = options[name];
+        }
+    }
+    if (options.existingSocket) {
+        result.socket = options.existingSocket;
+    }
+    // Set default sni servername to be the same as host
+    if (result.servername == null && result.host && !net.isIP(result.host)) {
+        result.servername = result.host;
+    }
+    return result;
+}
+const SOCKET_ERROR_EVENT_LIST = ['error', 'close', 'timeout', 'parseError'];
+const SOCKET_ERROR_EVENTS = new Set(SOCKET_ERROR_EVENT_LIST);
+function makeConnection(options, _callback) {
+    var _a, _b, _c, _d, _e, _f, _g, _h, _j;
+    const useTLS = (_a = options.tls) !== null && _a !== void 0 ? _a : false;
+    const keepAlive = (_b = options.keepAlive) !== null && _b !== void 0 ? _b : true;
+    const socketTimeoutMS = (_d = (_c = options.socketTimeoutMS) !== null && _c !== void 0 ? _c : Reflect.get(options, 'socketTimeout')) !== null && _d !== void 0 ? _d : 0;
+    const noDelay = (_e = options.noDelay) !== null && _e !== void 0 ? _e : true;
+    const connectTimeoutMS = (_f = options.connectTimeoutMS) !== null && _f !== void 0 ? _f : 30000;
+    const rejectUnauthorized = (_g = options.rejectUnauthorized) !== null && _g !== void 0 ? _g : true;
+    const keepAliveInitialDelay = (_j = (((_h = options.keepAliveInitialDelay) !== null && _h !== void 0 ? _h : 120000) > socketTimeoutMS
+        ? Math.round(socketTimeoutMS / 2)
+        : options.keepAliveInitialDelay)) !== null && _j !== void 0 ? _j : 120000;
+    const existingSocket = options.existingSocket;
+    let socket;
+    const callback = function (err, ret) {
+        if (err && socket) {
+            socket.destroy();
+        }
+        _callback(err, ret);
+    };
+    if (options.proxyHost != null) {
+        // Currently, only Socks5 is supported.
+        return makeSocks5Connection({
+            ...options,
+            connectTimeoutMS // Should always be present for Socks5
+        }, callback);
+    }
+    if (useTLS) {
+        const tlsSocket = tls.connect(parseSslOptions(options));
+        if (typeof tlsSocket.disableRenegotiation === 'function') {
+            tlsSocket.disableRenegotiation();
+        }
+        socket = tlsSocket;
+    }
+    else if (existingSocket) {
+        // In the TLS case, parseSslOptions() sets options.socket to existingSocket,
+        // so we only need to handle the non-TLS case here (where existingSocket
+        // gives us all we need out of the box).
+        socket = existingSocket;
+    }
+    else {
+        socket = net.createConnection(parseConnectOptions(options));
+    }
+    socket.setKeepAlive(keepAlive, keepAliveInitialDelay);
+    socket.setTimeout(connectTimeoutMS);
+    socket.setNoDelay(noDelay);
+    const connectEvent = useTLS ? 'secureConnect' : 'connect';
+    let cancellationHandler;
+    function errorHandler(eventName) {
+        return (err) => {
+            SOCKET_ERROR_EVENTS.forEach(event => socket.removeAllListeners(event));
+            if (cancellationHandler && options.cancellationToken) {
+                options.cancellationToken.removeListener('cancel', cancellationHandler);
+            }
+            socket.removeListener(connectEvent, connectHandler);
+            callback(connectionFailureError(eventName, err));
+        };
+    }
+    function connectHandler() {
+        SOCKET_ERROR_EVENTS.forEach(event => socket.removeAllListeners(event));
+        if (cancellationHandler && options.cancellationToken) {
+            options.cancellationToken.removeListener('cancel', cancellationHandler);
+        }
+        if ('authorizationError' in socket) {
+            if (socket.authorizationError && rejectUnauthorized) {
+                return callback(socket.authorizationError);
+            }
+        }
+        socket.setTimeout(socketTimeoutMS);
+        callback(undefined, socket);
+    }
+    SOCKET_ERROR_EVENTS.forEach(event => socket.once(event, errorHandler(event)));
+    if (options.cancellationToken) {
+        cancellationHandler = errorHandler('cancel');
+        options.cancellationToken.once('cancel', cancellationHandler);
+    }
+    if (existingSocket) {
+        process.nextTick(connectHandler);
+    }
+    else {
+        socket.once(connectEvent, connectHandler);
+    }
+}
+function makeSocks5Connection(options, callback) {
+    var _a, _b;
+    const hostAddress = utils_1.HostAddress.fromHostPort((_a = options.proxyHost) !== null && _a !== void 0 ? _a : '', // proxyHost is guaranteed to set here
+    (_b = options.proxyPort) !== null && _b !== void 0 ? _b : 1080);
+    // First, connect to the proxy server itself:
+    makeConnection({
+        ...options,
+        hostAddress,
+        tls: false,
+        proxyHost: undefined
+    }, (err, rawSocket) => {
+        if (err) {
+            return callback(err);
+        }
+        const destination = parseConnectOptions(options);
+        if (typeof destination.host !== 'string' || typeof destination.port !== 'number') {
+            return callback(new error_1.MongoInvalidArgumentError('Can only make Socks5 connections to TCP hosts'));
+        }
+        // Then, establish the Socks5 proxy connection:
+        socks_1.SocksClient.createConnection({
+            existing_socket: rawSocket,
+            timeout: options.connectTimeoutMS,
+            command: 'connect',
+            destination: {
+                host: destination.host,
+                port: destination.port
+            },
+            proxy: {
+                // host and port are ignored because we pass existing_socket
+                host: 'iLoveJavaScript',
+                port: 0,
+                type: 5,
+                userId: options.proxyUsername || undefined,
+                password: options.proxyPassword || undefined
+            }
+        }).then(({ socket }) => {
+            // Finally, now treat the resulting duplex stream as the
+            // socket over which we send and receive wire protocol messages:
+            makeConnection({
+                ...options,
+                existingSocket: socket,
+                proxyHost: undefined
+            }, callback);
+        }, error => callback(connectionFailureError('error', error)));
+    });
+}
+function connectionFailureError(type, err) {
+    switch (type) {
+        case 'error':
+            return new error_1.MongoNetworkError(err);
+        case 'timeout':
+            return new error_1.MongoNetworkTimeoutError('connection timed out');
+        case 'close':
+            return new error_1.MongoNetworkError('connection closed');
+        case 'cancel':
+            return new error_1.MongoNetworkError('connection establishment was cancelled');
+        default:
+            return new error_1.MongoNetworkError('unknown network error');
+    }
+}
+//# sourceMappingURL=connect.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/connect.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connect.js.map
new file mode 100644
index 000000000..6c90b72f3
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connect.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection.js
new file mode 100644
index 000000000..86acb4382
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection.js
@@ -0,0 +1,469 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.hasSessionSupport = exports.CryptoConnection = exports.Connection = void 0;
+const timers_1 = require("timers");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const mongo_types_1 = require("../mongo_types");
+const sessions_1 = require("../sessions");
+const utils_1 = require("../utils");
+const command_monitoring_events_1 = require("./command_monitoring_events");
+const commands_1 = require("./commands");
+const message_stream_1 = require("./message_stream");
+const stream_description_1 = require("./stream_description");
+const shared_1 = require("./wire_protocol/shared");
+/** @internal */
+const kStream = Symbol('stream');
+/** @internal */
+const kQueue = Symbol('queue');
+/** @internal */
+const kMessageStream = Symbol('messageStream');
+/** @internal */
+const kGeneration = Symbol('generation');
+/** @internal */
+const kLastUseTime = Symbol('lastUseTime');
+/** @internal */
+const kClusterTime = Symbol('clusterTime');
+/** @internal */
+const kDescription = Symbol('description');
+/** @internal */
+const kHello = Symbol('hello');
+/** @internal */
+const kAutoEncrypter = Symbol('autoEncrypter');
+/** @internal */
+const kDelayedTimeoutId = Symbol('delayedTimeoutId');
+/** @internal */
+class Connection extends mongo_types_1.TypedEventEmitter {
+    constructor(stream, options) {
+        var _a, _b;
+        super();
+        this.id = options.id;
+        this.address = streamIdentifier(stream, options);
+        this.socketTimeoutMS = (_a = options.socketTimeoutMS) !== null && _a !== void 0 ? _a : 0;
+        this.monitorCommands = options.monitorCommands;
+        this.serverApi = options.serverApi;
+        this.closed = false;
+        this.destroyed = false;
+        this[kHello] = null;
+        this[kClusterTime] = null;
+        this[kDescription] = new stream_description_1.StreamDescription(this.address, options);
+        this[kGeneration] = options.generation;
+        this[kLastUseTime] = (0, utils_1.now)();
+        // setup parser stream and message handling
+        this[kQueue] = new Map();
+        this[kMessageStream] = new message_stream_1.MessageStream({
+            ...options,
+            maxBsonMessageSize: (_b = this.hello) === null || _b === void 0 ? void 0 : _b.maxBsonMessageSize
+        });
+        this[kStream] = stream;
+        this[kDelayedTimeoutId] = null;
+        this[kMessageStream].on('message', message => this.onMessage(message));
+        this[kMessageStream].on('error', error => this.onError(error));
+        this[kStream].on('close', () => this.onClose());
+        this[kStream].on('timeout', () => this.onTimeout());
+        this[kStream].on('error', () => {
+            /* ignore errors, listen to `close` instead */
+        });
+        // hook the message stream up to the passed in stream
+        this[kStream].pipe(this[kMessageStream]);
+        this[kMessageStream].pipe(this[kStream]);
+    }
+    get description() {
+        return this[kDescription];
+    }
+    get hello() {
+        return this[kHello];
+    }
+    // the `connect` method stores the result of the handshake hello on the connection
+    set hello(response) {
+        this[kDescription].receiveResponse(response);
+        this[kDescription] = Object.freeze(this[kDescription]);
+        // TODO: remove this, and only use the `StreamDescription` in the future
+        this[kHello] = response;
+    }
+    // Set the whether the message stream is for a monitoring connection.
+    set isMonitoringConnection(value) {
+        this[kMessageStream].isMonitoringConnection = value;
+    }
+    get isMonitoringConnection() {
+        return this[kMessageStream].isMonitoringConnection;
+    }
+    get serviceId() {
+        var _a;
+        return (_a = this.hello) === null || _a === void 0 ? void 0 : _a.serviceId;
+    }
+    get loadBalanced() {
+        return this.description.loadBalanced;
+    }
+    get generation() {
+        return this[kGeneration] || 0;
+    }
+    set generation(generation) {
+        this[kGeneration] = generation;
+    }
+    get idleTime() {
+        return (0, utils_1.calculateDurationInMs)(this[kLastUseTime]);
+    }
+    get clusterTime() {
+        return this[kClusterTime];
+    }
+    get stream() {
+        return this[kStream];
+    }
+    markAvailable() {
+        this[kLastUseTime] = (0, utils_1.now)();
+    }
+    onError(error) {
+        if (this.closed) {
+            return;
+        }
+        this[kStream].destroy(error);
+        this.closed = true;
+        for (const op of this[kQueue].values()) {
+            op.cb(error);
+        }
+        this[kQueue].clear();
+        this.emit(Connection.CLOSE);
+    }
+    onClose() {
+        if (this.closed) {
+            return;
+        }
+        this.closed = true;
+        const message = `connection ${this.id} to ${this.address} closed`;
+        for (const op of this[kQueue].values()) {
+            op.cb(new error_1.MongoNetworkError(message));
+        }
+        this[kQueue].clear();
+        this.emit(Connection.CLOSE);
+    }
+    onTimeout() {
+        if (this.closed) {
+            return;
+        }
+        this[kDelayedTimeoutId] = (0, timers_1.setTimeout)(() => {
+            this[kStream].destroy();
+            this.closed = true;
+            const message = `connection ${this.id} to ${this.address} timed out`;
+            const beforeHandshake = this.hello == null;
+            for (const op of this[kQueue].values()) {
+                op.cb(new error_1.MongoNetworkTimeoutError(message, { beforeHandshake }));
+            }
+            this[kQueue].clear();
+            this.emit(Connection.CLOSE);
+        }, 1).unref(); // No need for this timer to hold the event loop open
+    }
+    onMessage(message) {
+        const delayedTimeoutId = this[kDelayedTimeoutId];
+        if (delayedTimeoutId != null) {
+            (0, timers_1.clearTimeout)(delayedTimeoutId);
+            this[kDelayedTimeoutId] = null;
+        }
+        // always emit the message, in case we are streaming
+        this.emit('message', message);
+        const operationDescription = this[kQueue].get(message.responseTo);
+        if (!operationDescription) {
+            return;
+        }
+        const callback = operationDescription.cb;
+        // SERVER-45775: For exhaust responses we should be able to use the same requestId to
+        // track response, however the server currently synthetically produces remote requests
+        // making the `responseTo` change on each response
+        this[kQueue].delete(message.responseTo);
+        if ('moreToCome' in message && message.moreToCome) {
+            // requeue the callback for next synthetic request
+            this[kQueue].set(message.requestId, operationDescription);
+        }
+        else if (operationDescription.socketTimeoutOverride) {
+            this[kStream].setTimeout(this.socketTimeoutMS);
+        }
+        try {
+            // Pass in the entire description because it has BSON parsing options
+            message.parse(operationDescription);
+        }
+        catch (err) {
+            // If this error is generated by our own code, it will already have the correct class applied
+            // if it is not, then it is coming from a catastrophic data parse failure or the BSON library
+            // in either case, it should not be wrapped
+            callback(err);
+            return;
+        }
+        if (message.documents[0]) {
+            const document = message.documents[0];
+            const session = operationDescription.session;
+            if (session) {
+                (0, sessions_1.updateSessionFromResponse)(session, document);
+            }
+            if (document.$clusterTime) {
+                this[kClusterTime] = document.$clusterTime;
+                this.emit(Connection.CLUSTER_TIME_RECEIVED, document.$clusterTime);
+            }
+            if (operationDescription.command) {
+                if (document.writeConcernError) {
+                    callback(new error_1.MongoWriteConcernError(document.writeConcernError, document));
+                    return;
+                }
+                if (document.ok === 0 || document.$err || document.errmsg || document.code) {
+                    callback(new error_1.MongoServerError(document));
+                    return;
+                }
+            }
+            else {
+                // Pre 3.2 support
+                if (document.ok === 0 || document.$err || document.errmsg) {
+                    callback(new error_1.MongoServerError(document));
+                    return;
+                }
+            }
+        }
+        callback(undefined, message.documents[0]);
+    }
+    destroy(options, callback) {
+        if (typeof options === 'function') {
+            callback = options;
+            options = { force: false };
+        }
+        this.removeAllListeners(Connection.PINNED);
+        this.removeAllListeners(Connection.UNPINNED);
+        options = Object.assign({ force: false }, options);
+        if (this[kStream] == null || this.destroyed) {
+            this.destroyed = true;
+            if (typeof callback === 'function') {
+                callback();
+            }
+            return;
+        }
+        if (options.force) {
+            this[kStream].destroy();
+            this.destroyed = true;
+            if (typeof callback === 'function') {
+                callback();
+            }
+            return;
+        }
+        this[kStream].end(() => {
+            this.destroyed = true;
+            if (typeof callback === 'function') {
+                callback();
+            }
+        });
+    }
+    command(ns, cmd, options, callback) {
+        const readPreference = (0, shared_1.getReadPreference)(cmd, options);
+        const shouldUseOpMsg = supportsOpMsg(this);
+        const session = options === null || options === void 0 ? void 0 : options.session;
+        let clusterTime = this.clusterTime;
+        let finalCmd = Object.assign({}, cmd);
+        if (this.serverApi) {
+            const { version, strict, deprecationErrors } = this.serverApi;
+            finalCmd.apiVersion = version;
+            if (strict != null)
+                finalCmd.apiStrict = strict;
+            if (deprecationErrors != null)
+                finalCmd.apiDeprecationErrors = deprecationErrors;
+        }
+        if (hasSessionSupport(this) && session) {
+            if (session.clusterTime &&
+                clusterTime &&
+                session.clusterTime.clusterTime.greaterThan(clusterTime.clusterTime)) {
+                clusterTime = session.clusterTime;
+            }
+            const err = (0, sessions_1.applySession)(session, finalCmd, options);
+            if (err) {
+                return callback(err);
+            }
+        }
+        // if we have a known cluster time, gossip it
+        if (clusterTime) {
+            finalCmd.$clusterTime = clusterTime;
+        }
+        if ((0, shared_1.isSharded)(this) && !shouldUseOpMsg && readPreference && readPreference.mode !== 'primary') {
+            finalCmd = {
+                $query: finalCmd,
+                $readPreference: readPreference.toJSON()
+            };
+        }
+        const commandOptions = Object.assign({
+            command: true,
+            numberToSkip: 0,
+            numberToReturn: -1,
+            checkKeys: false,
+            // This value is not overridable
+            secondaryOk: readPreference.secondaryOk()
+        }, options);
+        const cmdNs = `${ns.db}.$cmd`;
+        const message = shouldUseOpMsg
+            ? new commands_1.Msg(cmdNs, finalCmd, commandOptions)
+            : new commands_1.Query(cmdNs, finalCmd, commandOptions);
+        try {
+            write(this, message, commandOptions, callback);
+        }
+        catch (err) {
+            callback(err);
+        }
+    }
+}
+exports.Connection = Connection;
+/** @event */
+Connection.COMMAND_STARTED = constants_1.COMMAND_STARTED;
+/** @event */
+Connection.COMMAND_SUCCEEDED = constants_1.COMMAND_SUCCEEDED;
+/** @event */
+Connection.COMMAND_FAILED = constants_1.COMMAND_FAILED;
+/** @event */
+Connection.CLUSTER_TIME_RECEIVED = constants_1.CLUSTER_TIME_RECEIVED;
+/** @event */
+Connection.CLOSE = constants_1.CLOSE;
+/** @event */
+Connection.MESSAGE = constants_1.MESSAGE;
+/** @event */
+Connection.PINNED = constants_1.PINNED;
+/** @event */
+Connection.UNPINNED = constants_1.UNPINNED;
+/** @internal */
+class CryptoConnection extends Connection {
+    constructor(stream, options) {
+        super(stream, options);
+        this[kAutoEncrypter] = options.autoEncrypter;
+    }
+    /** @internal @override */
+    command(ns, cmd, options, callback) {
+        const autoEncrypter = this[kAutoEncrypter];
+        if (!autoEncrypter) {
+            return callback(new error_1.MongoMissingDependencyError('No AutoEncrypter available for encryption'));
+        }
+        const serverWireVersion = (0, utils_1.maxWireVersion)(this);
+        if (serverWireVersion === 0) {
+            // This means the initial handshake hasn't happened yet
+            return super.command(ns, cmd, options, callback);
+        }
+        if (serverWireVersion < 8) {
+            callback(new error_1.MongoCompatibilityError('Auto-encryption requires a minimum MongoDB version of 4.2'));
+            return;
+        }
+        // Save sort or indexKeys based on the command being run
+        // the encrypt API serializes our JS objects to BSON to pass to the native code layer
+        // and then deserializes the encrypted result, the protocol level components
+        // of the command (ex. sort) are then converted to JS objects potentially losing
+        // import key order information. These fields are never encrypted so we can save the values
+        // from before the encryption and replace them after encryption has been performed
+        const sort = cmd.find || cmd.findAndModify ? cmd.sort : null;
+        const indexKeys = cmd.createIndexes
+            ? cmd.indexes.map((index) => index.key)
+            : null;
+        autoEncrypter.encrypt(ns.toString(), cmd, options, (err, encrypted) => {
+            if (err || encrypted == null) {
+                callback(err, null);
+                return;
+            }
+            // Replace the saved values
+            if (sort != null && (cmd.find || cmd.findAndModify)) {
+                encrypted.sort = sort;
+            }
+            if (indexKeys != null && cmd.createIndexes) {
+                for (const [offset, index] of indexKeys.entries()) {
+                    encrypted.indexes[offset].key = index;
+                }
+            }
+            super.command(ns, encrypted, options, (err, response) => {
+                if (err || response == null) {
+                    callback(err, response);
+                    return;
+                }
+                autoEncrypter.decrypt(response, options, callback);
+            });
+        });
+    }
+}
+exports.CryptoConnection = CryptoConnection;
+/** @internal */
+function hasSessionSupport(conn) {
+    const description = conn.description;
+    return description.logicalSessionTimeoutMinutes != null || !!description.loadBalanced;
+}
+exports.hasSessionSupport = hasSessionSupport;
+function supportsOpMsg(conn) {
+    const description = conn.description;
+    if (description == null) {
+        return false;
+    }
+    return (0, utils_1.maxWireVersion)(conn) >= 6 && !description.__nodejs_mock_server__;
+}
+function streamIdentifier(stream, options) {
+    if (options.proxyHost) {
+        // If proxy options are specified, the properties of `stream` itself
+        // will not accurately reflect what endpoint this is connected to.
+        return options.hostAddress.toString();
+    }
+    if (typeof stream.address === 'function') {
+        return `${stream.remoteAddress}:${stream.remotePort}`;
+    }
+    return (0, utils_1.uuidV4)().toString('hex');
+}
+function write(conn, command, options, callback) {
+    options = options !== null && options !== void 0 ? options : {};
+    const operationDescription = {
+        requestId: command.requestId,
+        cb: callback,
+        session: options.session,
+        noResponse: typeof options.noResponse === 'boolean' ? options.noResponse : false,
+        documentsReturnedIn: options.documentsReturnedIn,
+        command: !!options.command,
+        // for BSON parsing
+        promoteLongs: typeof options.promoteLongs === 'boolean' ? options.promoteLongs : true,
+        promoteValues: typeof options.promoteValues === 'boolean' ? options.promoteValues : true,
+        promoteBuffers: typeof options.promoteBuffers === 'boolean' ? options.promoteBuffers : false,
+        bsonRegExp: typeof options.bsonRegExp === 'boolean' ? options.bsonRegExp : false,
+        enableUtf8Validation: typeof options.enableUtf8Validation === 'boolean' ? options.enableUtf8Validation : true,
+        raw: typeof options.raw === 'boolean' ? options.raw : false,
+        started: 0
+    };
+    if (conn[kDescription] && conn[kDescription].compressor) {
+        operationDescription.agreedCompressor = conn[kDescription].compressor;
+        if (conn[kDescription].zlibCompressionLevel) {
+            operationDescription.zlibCompressionLevel = conn[kDescription].zlibCompressionLevel;
+        }
+    }
+    if (typeof options.socketTimeoutMS === 'number') {
+        operationDescription.socketTimeoutOverride = true;
+        conn[kStream].setTimeout(options.socketTimeoutMS);
+    }
+    // if command monitoring is enabled we need to modify the callback here
+    if (conn.monitorCommands) {
+        conn.emit(Connection.COMMAND_STARTED, new command_monitoring_events_1.CommandStartedEvent(conn, command));
+        operationDescription.started = (0, utils_1.now)();
+        operationDescription.cb = (err, reply) => {
+            if (err) {
+                conn.emit(Connection.COMMAND_FAILED, new command_monitoring_events_1.CommandFailedEvent(conn, command, err, operationDescription.started));
+            }
+            else {
+                if (reply && (reply.ok === 0 || reply.$err)) {
+                    conn.emit(Connection.COMMAND_FAILED, new command_monitoring_events_1.CommandFailedEvent(conn, command, reply, operationDescription.started));
+                }
+                else {
+                    conn.emit(Connection.COMMAND_SUCCEEDED, new command_monitoring_events_1.CommandSucceededEvent(conn, command, reply, operationDescription.started));
+                }
+            }
+            if (typeof callback === 'function') {
+                callback(err, reply);
+            }
+        };
+    }
+    if (!operationDescription.noResponse) {
+        conn[kQueue].set(operationDescription.requestId, operationDescription);
+    }
+    try {
+        conn[kMessageStream].writeCommand(command, operationDescription);
+    }
+    catch (e) {
+        if (!operationDescription.noResponse) {
+            conn[kQueue].delete(operationDescription.requestId);
+            operationDescription.cb(e);
+            return;
+        }
+    }
+    if (operationDescription.noResponse) {
+        operationDescription.cb();
+    }
+}
+//# sourceMappingURL=connection.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection.js.map
new file mode 100644
index 000000000..a683f148a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection_pool.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection_pool.js
new file mode 100644
index 000000000..9c422242f
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection_pool.js
@@ -0,0 +1,523 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ConnectionPool = exports.PoolState = void 0;
+const Denque = require("denque");
+const timers_1 = require("timers");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const logger_1 = require("../logger");
+const mongo_types_1 = require("../mongo_types");
+const utils_1 = require("../utils");
+const connect_1 = require("./connect");
+const connection_1 = require("./connection");
+const connection_pool_events_1 = require("./connection_pool_events");
+const errors_1 = require("./errors");
+const metrics_1 = require("./metrics");
+/** @internal */
+const kLogger = Symbol('logger');
+/** @internal */
+const kConnections = Symbol('connections');
+/** @internal */
+const kPending = Symbol('pending');
+/** @internal */
+const kCheckedOut = Symbol('checkedOut');
+/** @internal */
+const kMinPoolSizeTimer = Symbol('minPoolSizeTimer');
+/** @internal */
+const kGeneration = Symbol('generation');
+/** @internal */
+const kServiceGenerations = Symbol('serviceGenerations');
+/** @internal */
+const kConnectionCounter = Symbol('connectionCounter');
+/** @internal */
+const kCancellationToken = Symbol('cancellationToken');
+/** @internal */
+const kWaitQueue = Symbol('waitQueue');
+/** @internal */
+const kCancelled = Symbol('cancelled');
+/** @internal */
+const kMetrics = Symbol('metrics');
+/** @internal */
+const kProcessingWaitQueue = Symbol('processingWaitQueue');
+/** @internal */
+const kPoolState = Symbol('poolState');
+/** @internal */
+exports.PoolState = Object.freeze({
+    paused: 'paused',
+    ready: 'ready',
+    closed: 'closed'
+});
+/**
+ * A pool of connections which dynamically resizes, and emit events related to pool activity
+ * @internal
+ */
+class ConnectionPool extends mongo_types_1.TypedEventEmitter {
+    /** @internal */
+    constructor(options) {
+        var _a, _b, _c, _d, _e;
+        super();
+        this.options = Object.freeze({
+            ...options,
+            connectionType: connection_1.Connection,
+            maxPoolSize: (_a = options.maxPoolSize) !== null && _a !== void 0 ? _a : 100,
+            minPoolSize: (_b = options.minPoolSize) !== null && _b !== void 0 ? _b : 0,
+            maxConnecting: (_c = options.maxConnecting) !== null && _c !== void 0 ? _c : 2,
+            maxIdleTimeMS: (_d = options.maxIdleTimeMS) !== null && _d !== void 0 ? _d : 0,
+            waitQueueTimeoutMS: (_e = options.waitQueueTimeoutMS) !== null && _e !== void 0 ? _e : 0,
+            autoEncrypter: options.autoEncrypter,
+            metadata: options.metadata
+        });
+        if (this.options.minPoolSize > this.options.maxPoolSize) {
+            throw new error_1.MongoInvalidArgumentError('Connection pool minimum size must not be greater than maximum pool size');
+        }
+        this[kPoolState] = exports.PoolState.paused;
+        this[kLogger] = new logger_1.Logger('ConnectionPool');
+        this[kConnections] = new Denque();
+        this[kPending] = 0;
+        this[kCheckedOut] = 0;
+        this[kMinPoolSizeTimer] = undefined;
+        this[kGeneration] = 0;
+        this[kServiceGenerations] = new Map();
+        this[kConnectionCounter] = (0, utils_1.makeCounter)(1);
+        this[kCancellationToken] = new mongo_types_1.CancellationToken();
+        this[kCancellationToken].setMaxListeners(Infinity);
+        this[kWaitQueue] = new Denque();
+        this[kMetrics] = new metrics_1.ConnectionPoolMetrics();
+        this[kProcessingWaitQueue] = false;
+        process.nextTick(() => {
+            this.emit(ConnectionPool.CONNECTION_POOL_CREATED, new connection_pool_events_1.ConnectionPoolCreatedEvent(this));
+            this.ensureMinPoolSize();
+        });
+    }
+    /** The address of the endpoint the pool is connected to */
+    get address() {
+        return this.options.hostAddress.toString();
+    }
+    /**
+     * Check if the pool has been closed
+     *
+     * TODO(NODE-3263): We can remove this property once shell no longer needs it
+     */
+    get closed() {
+        return this[kPoolState] === exports.PoolState.closed;
+    }
+    /** An integer representing the SDAM generation of the pool */
+    get generation() {
+        return this[kGeneration];
+    }
+    /** An integer expressing how many total connections (available + pending + in use) the pool currently has */
+    get totalConnectionCount() {
+        return (this.availableConnectionCount + this.pendingConnectionCount + this.currentCheckedOutCount);
+    }
+    /** An integer expressing how many connections are currently available in the pool. */
+    get availableConnectionCount() {
+        return this[kConnections].length;
+    }
+    get pendingConnectionCount() {
+        return this[kPending];
+    }
+    get currentCheckedOutCount() {
+        return this[kCheckedOut];
+    }
+    get waitQueueSize() {
+        return this[kWaitQueue].length;
+    }
+    get loadBalanced() {
+        return this.options.loadBalanced;
+    }
+    get serviceGenerations() {
+        return this[kServiceGenerations];
+    }
+    /**
+     * Get the metrics information for the pool when a wait queue timeout occurs.
+     */
+    waitQueueErrorMetrics() {
+        return this[kMetrics].info(this.options.maxPoolSize);
+    }
+    /**
+     * Set the pool state to "ready"
+     */
+    ready() {
+        this[kPoolState] = exports.PoolState.ready;
+    }
+    /**
+     * Check a connection out of this pool. The connection will continue to be tracked, but no reference to it
+     * will be held by the pool. This means that if a connection is checked out it MUST be checked back in or
+     * explicitly destroyed by the new owner.
+     */
+    checkOut(callback) {
+        this.emit(ConnectionPool.CONNECTION_CHECK_OUT_STARTED, new connection_pool_events_1.ConnectionCheckOutStartedEvent(this));
+        if (this.closed) {
+            this.emit(ConnectionPool.CONNECTION_CHECK_OUT_FAILED, new connection_pool_events_1.ConnectionCheckOutFailedEvent(this, 'poolClosed'));
+            callback(new errors_1.PoolClosedError(this));
+            return;
+        }
+        const waitQueueMember = { callback };
+        const waitQueueTimeoutMS = this.options.waitQueueTimeoutMS;
+        if (waitQueueTimeoutMS) {
+            waitQueueMember.timer = (0, timers_1.setTimeout)(() => {
+                waitQueueMember[kCancelled] = true;
+                waitQueueMember.timer = undefined;
+                this.emit(ConnectionPool.CONNECTION_CHECK_OUT_FAILED, new connection_pool_events_1.ConnectionCheckOutFailedEvent(this, 'timeout'));
+                waitQueueMember.callback(new errors_1.WaitQueueTimeoutError(this.loadBalanced
+                    ? this.waitQueueErrorMetrics()
+                    : 'Timed out while checking out a connection from connection pool', this.address));
+            }, waitQueueTimeoutMS);
+        }
+        this[kWaitQueue].push(waitQueueMember);
+        process.nextTick(() => this.processWaitQueue());
+    }
+    /**
+     * Check a connection into the pool.
+     *
+     * @param connection - The connection to check in
+     */
+    checkIn(connection) {
+        const poolClosed = this.closed;
+        const stale = this.connectionIsStale(connection);
+        const willDestroy = !!(poolClosed || stale || connection.closed);
+        if (!willDestroy) {
+            connection.markAvailable();
+            this[kConnections].unshift(connection);
+        }
+        this[kCheckedOut]--;
+        this.emit(ConnectionPool.CONNECTION_CHECKED_IN, new connection_pool_events_1.ConnectionCheckedInEvent(this, connection));
+        if (willDestroy) {
+            const reason = connection.closed ? 'error' : poolClosed ? 'poolClosed' : 'stale';
+            this.destroyConnection(connection, reason);
+        }
+        process.nextTick(() => this.processWaitQueue());
+    }
+    /**
+     * Clear the pool
+     *
+     * Pool reset is handled by incrementing the pool's generation count. Any existing connection of a
+     * previous generation will eventually be pruned during subsequent checkouts.
+     */
+    clear(serviceId) {
+        if (this.loadBalanced && serviceId) {
+            const sid = serviceId.toHexString();
+            const generation = this.serviceGenerations.get(sid);
+            // Only need to worry if the generation exists, since it should
+            // always be there but typescript needs the check.
+            if (generation == null) {
+                // TODO(NODE-3483)
+                throw new error_1.MongoRuntimeError('Service generations are required in load balancer mode.');
+            }
+            else {
+                // Increment the generation for the service id.
+                this.serviceGenerations.set(sid, generation + 1);
+            }
+        }
+        else {
+            this[kGeneration] += 1;
+        }
+        this.emit(ConnectionPool.CONNECTION_POOL_CLEARED, new connection_pool_events_1.ConnectionPoolClearedEvent(this, serviceId));
+    }
+    close(_options, _cb) {
+        let options = _options;
+        const callback = (_cb !== null && _cb !== void 0 ? _cb : _options);
+        if (typeof options === 'function') {
+            options = {};
+        }
+        options = Object.assign({ force: false }, options);
+        if (this.closed) {
+            return callback();
+        }
+        // immediately cancel any in-flight connections
+        this[kCancellationToken].emit('cancel');
+        // drain the wait queue
+        while (this.waitQueueSize) {
+            const waitQueueMember = this[kWaitQueue].pop();
+            if (waitQueueMember) {
+                if (waitQueueMember.timer) {
+                    (0, timers_1.clearTimeout)(waitQueueMember.timer);
+                }
+                if (!waitQueueMember[kCancelled]) {
+                    // TODO(NODE-3483): Replace with MongoConnectionPoolClosedError
+                    waitQueueMember.callback(new error_1.MongoRuntimeError('Connection pool closed'));
+                }
+            }
+        }
+        // clear the min pool size timer
+        const minPoolSizeTimer = this[kMinPoolSizeTimer];
+        if (minPoolSizeTimer) {
+            (0, timers_1.clearTimeout)(minPoolSizeTimer);
+        }
+        // end the connection counter
+        if (typeof this[kConnectionCounter].return === 'function') {
+            this[kConnectionCounter].return(undefined);
+        }
+        // mark the pool as closed immediately
+        this[kPoolState] = exports.PoolState.closed;
+        (0, utils_1.eachAsync)(this[kConnections].toArray(), (conn, cb) => {
+            this.emit(ConnectionPool.CONNECTION_CLOSED, new connection_pool_events_1.ConnectionClosedEvent(this, conn, 'poolClosed'));
+            conn.destroy(options, cb);
+        }, err => {
+            this[kConnections].clear();
+            this.emit(ConnectionPool.CONNECTION_POOL_CLOSED, new connection_pool_events_1.ConnectionPoolClosedEvent(this));
+            callback(err);
+        });
+    }
+    /**
+     * Runs a lambda with an implicitly checked out connection, checking that connection back in when the lambda
+     * has completed by calling back.
+     *
+     * NOTE: please note the required signature of `fn`
+     *
+     * @remarks When in load balancer mode, connections can be pinned to cursors or transactions.
+     *   In these cases we pass the connection in to this method to ensure it is used and a new
+     *   connection is not checked out.
+     *
+     * @param conn - A pinned connection for use in load balancing mode.
+     * @param fn - A function which operates on a managed connection
+     * @param callback - The original callback
+     */
+    withConnection(conn, fn, callback) {
+        if (conn) {
+            // use the provided connection, and do _not_ check it in after execution
+            fn(undefined, conn, (fnErr, result) => {
+                if (typeof callback === 'function') {
+                    if (fnErr) {
+                        callback(fnErr);
+                    }
+                    else {
+                        callback(undefined, result);
+                    }
+                }
+            });
+            return;
+        }
+        this.checkOut((err, conn) => {
+            // don't callback with `err` here, we might want to act upon it inside `fn`
+            fn(err, conn, (fnErr, result) => {
+                if (typeof callback === 'function') {
+                    if (fnErr) {
+                        callback(fnErr);
+                    }
+                    else {
+                        callback(undefined, result);
+                    }
+                }
+                if (conn) {
+                    this.checkIn(conn);
+                }
+            });
+        });
+    }
+    destroyConnection(connection, reason) {
+        this.emit(ConnectionPool.CONNECTION_CLOSED, new connection_pool_events_1.ConnectionClosedEvent(this, connection, reason));
+        // destroy the connection
+        process.nextTick(() => connection.destroy());
+    }
+    connectionIsStale(connection) {
+        const serviceId = connection.serviceId;
+        if (this.loadBalanced && serviceId) {
+            const sid = serviceId.toHexString();
+            const generation = this.serviceGenerations.get(sid);
+            return connection.generation !== generation;
+        }
+        return connection.generation !== this[kGeneration];
+    }
+    connectionIsIdle(connection) {
+        return !!(this.options.maxIdleTimeMS && connection.idleTime > this.options.maxIdleTimeMS);
+    }
+    connectionIsPerished(connection) {
+        const isStale = this.connectionIsStale(connection);
+        const isIdle = this.connectionIsIdle(connection);
+        if (!isStale && !isIdle && !connection.closed) {
+            return false;
+        }
+        const reason = connection.closed ? 'error' : isStale ? 'stale' : 'idle';
+        this.destroyConnection(connection, reason);
+        return true;
+    }
+    createConnection(callback) {
+        const connectOptions = {
+            ...this.options,
+            id: this[kConnectionCounter].next().value,
+            generation: this[kGeneration],
+            cancellationToken: this[kCancellationToken]
+        };
+        this[kPending]++;
+        // This is our version of a "virtual" no-I/O connection as the spec requires
+        this.emit(ConnectionPool.CONNECTION_CREATED, new connection_pool_events_1.ConnectionCreatedEvent(this, { id: connectOptions.id }));
+        (0, connect_1.connect)(connectOptions, (err, connection) => {
+            if (err || !connection) {
+                this[kLogger].debug(`connection attempt failed with error [${JSON.stringify(err)}]`);
+                callback(err);
+                return;
+            }
+            // The pool might have closed since we started trying to create a connection
+            if (this.closed) {
+                this[kPending]--;
+                connection.destroy({ force: true });
+                return;
+            }
+            // forward all events from the connection to the pool
+            for (const event of [...constants_1.APM_EVENTS, connection_1.Connection.CLUSTER_TIME_RECEIVED]) {
+                connection.on(event, (e) => this.emit(event, e));
+            }
+            if (this.loadBalanced) {
+                connection.on(connection_1.Connection.PINNED, pinType => this[kMetrics].markPinned(pinType));
+                connection.on(connection_1.Connection.UNPINNED, pinType => this[kMetrics].markUnpinned(pinType));
+                const serviceId = connection.serviceId;
+                if (serviceId) {
+                    let generation;
+                    const sid = serviceId.toHexString();
+                    if ((generation = this.serviceGenerations.get(sid))) {
+                        connection.generation = generation;
+                    }
+                    else {
+                        this.serviceGenerations.set(sid, 0);
+                        connection.generation = 0;
+                    }
+                }
+            }
+            connection.markAvailable();
+            this.emit(ConnectionPool.CONNECTION_READY, new connection_pool_events_1.ConnectionReadyEvent(this, connection));
+            callback(undefined, connection);
+            return;
+        });
+    }
+    ensureMinPoolSize() {
+        const minPoolSize = this.options.minPoolSize;
+        if (this.closed || minPoolSize === 0) {
+            return;
+        }
+        if (this.totalConnectionCount < minPoolSize &&
+            this.pendingConnectionCount < this.options.maxConnecting) {
+            // NOTE: ensureMinPoolSize should not try to get all the pending
+            // connection permits because that potentially delays the availability of
+            // the connection to a checkout request
+            this.createConnection((err, connection) => {
+                this[kPending]--;
+                if (!err && connection) {
+                    this[kConnections].push(connection);
+                    process.nextTick(() => this.processWaitQueue());
+                }
+                this[kMinPoolSizeTimer] = (0, timers_1.setTimeout)(() => this.ensureMinPoolSize(), 10);
+            });
+        }
+        else {
+            this[kMinPoolSizeTimer] = (0, timers_1.setTimeout)(() => this.ensureMinPoolSize(), 100);
+        }
+    }
+    processWaitQueue() {
+        if (this.closed || this[kProcessingWaitQueue]) {
+            return;
+        }
+        this[kProcessingWaitQueue] = true;
+        while (this.waitQueueSize) {
+            const waitQueueMember = this[kWaitQueue].peekFront();
+            if (!waitQueueMember) {
+                this[kWaitQueue].shift();
+                continue;
+            }
+            if (waitQueueMember[kCancelled]) {
+                this[kWaitQueue].shift();
+                continue;
+            }
+            if (!this.availableConnectionCount) {
+                break;
+            }
+            const connection = this[kConnections].shift();
+            if (!connection) {
+                break;
+            }
+            if (!this.connectionIsPerished(connection)) {
+                this[kCheckedOut]++;
+                this.emit(ConnectionPool.CONNECTION_CHECKED_OUT, new connection_pool_events_1.ConnectionCheckedOutEvent(this, connection));
+                if (waitQueueMember.timer) {
+                    (0, timers_1.clearTimeout)(waitQueueMember.timer);
+                }
+                this[kWaitQueue].shift();
+                waitQueueMember.callback(undefined, connection);
+            }
+        }
+        const { maxPoolSize, maxConnecting } = this.options;
+        while (this.waitQueueSize > 0 &&
+            this.pendingConnectionCount < maxConnecting &&
+            (maxPoolSize === 0 || this.totalConnectionCount < maxPoolSize)) {
+            const waitQueueMember = this[kWaitQueue].shift();
+            if (!waitQueueMember || waitQueueMember[kCancelled]) {
+                continue;
+            }
+            this.createConnection((err, connection) => {
+                this[kPending]--;
+                if (waitQueueMember[kCancelled]) {
+                    if (!err && connection) {
+                        this[kConnections].push(connection);
+                    }
+                }
+                else {
+                    if (err) {
+                        this.emit(ConnectionPool.CONNECTION_CHECK_OUT_FAILED, new connection_pool_events_1.ConnectionCheckOutFailedEvent(this, err));
+                    }
+                    else if (connection) {
+                        this[kCheckedOut]++;
+                        this.emit(ConnectionPool.CONNECTION_CHECKED_OUT, new connection_pool_events_1.ConnectionCheckedOutEvent(this, connection));
+                    }
+                    if (waitQueueMember.timer) {
+                        (0, timers_1.clearTimeout)(waitQueueMember.timer);
+                    }
+                    waitQueueMember.callback(err, connection);
+                }
+                process.nextTick(() => this.processWaitQueue());
+            });
+        }
+        this[kProcessingWaitQueue] = false;
+    }
+}
+exports.ConnectionPool = ConnectionPool;
+/**
+ * Emitted when the connection pool is created.
+ * @event
+ */
+ConnectionPool.CONNECTION_POOL_CREATED = constants_1.CONNECTION_POOL_CREATED;
+/**
+ * Emitted once when the connection pool is closed
+ * @event
+ */
+ConnectionPool.CONNECTION_POOL_CLOSED = constants_1.CONNECTION_POOL_CLOSED;
+/**
+ * Emitted each time the connection pool is cleared and it's generation incremented
+ * @event
+ */
+ConnectionPool.CONNECTION_POOL_CLEARED = constants_1.CONNECTION_POOL_CLEARED;
+/**
+ * Emitted when a connection is created.
+ * @event
+ */
+ConnectionPool.CONNECTION_CREATED = constants_1.CONNECTION_CREATED;
+/**
+ * Emitted when a connection becomes established, and is ready to use
+ * @event
+ */
+ConnectionPool.CONNECTION_READY = constants_1.CONNECTION_READY;
+/**
+ * Emitted when a connection is closed
+ * @event
+ */
+ConnectionPool.CONNECTION_CLOSED = constants_1.CONNECTION_CLOSED;
+/**
+ * Emitted when an attempt to check out a connection begins
+ * @event
+ */
+ConnectionPool.CONNECTION_CHECK_OUT_STARTED = constants_1.CONNECTION_CHECK_OUT_STARTED;
+/**
+ * Emitted when an attempt to check out a connection fails
+ * @event
+ */
+ConnectionPool.CONNECTION_CHECK_OUT_FAILED = constants_1.CONNECTION_CHECK_OUT_FAILED;
+/**
+ * Emitted each time a connection is successfully checked out of the connection pool
+ * @event
+ */
+ConnectionPool.CONNECTION_CHECKED_OUT = constants_1.CONNECTION_CHECKED_OUT;
+/**
+ * Emitted each time a connection is successfully checked into the connection pool
+ * @event
+ */
+ConnectionPool.CONNECTION_CHECKED_IN = constants_1.CONNECTION_CHECKED_IN;
+//# sourceMappingURL=connection_pool.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection_pool.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection_pool.js.map
new file mode 100644
index 000000000..d773cd35c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection_pool.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection_pool_events.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection_pool_events.js
new file mode 100644
index 000000000..86aeaef8a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection_pool_events.js
@@ -0,0 +1,147 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ConnectionPoolClearedEvent = exports.ConnectionCheckedInEvent = exports.ConnectionCheckedOutEvent = exports.ConnectionCheckOutFailedEvent = exports.ConnectionCheckOutStartedEvent = exports.ConnectionClosedEvent = exports.ConnectionReadyEvent = exports.ConnectionCreatedEvent = exports.ConnectionPoolClosedEvent = exports.ConnectionPoolCreatedEvent = exports.ConnectionPoolMonitoringEvent = void 0;
+/**
+ * The base export class for all monitoring events published from the connection pool
+ * @public
+ * @category Event
+ */
+class ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool) {
+        this.time = new Date();
+        this.address = pool.address;
+    }
+}
+exports.ConnectionPoolMonitoringEvent = ConnectionPoolMonitoringEvent;
+/**
+ * An event published when a connection pool is created
+ * @public
+ * @category Event
+ */
+class ConnectionPoolCreatedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool) {
+        super(pool);
+        this.options = pool.options;
+    }
+}
+exports.ConnectionPoolCreatedEvent = ConnectionPoolCreatedEvent;
+/**
+ * An event published when a connection pool is closed
+ * @public
+ * @category Event
+ */
+class ConnectionPoolClosedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool) {
+        super(pool);
+    }
+}
+exports.ConnectionPoolClosedEvent = ConnectionPoolClosedEvent;
+/**
+ * An event published when a connection pool creates a new connection
+ * @public
+ * @category Event
+ */
+class ConnectionCreatedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, connection) {
+        super(pool);
+        this.connectionId = connection.id;
+    }
+}
+exports.ConnectionCreatedEvent = ConnectionCreatedEvent;
+/**
+ * An event published when a connection is ready for use
+ * @public
+ * @category Event
+ */
+class ConnectionReadyEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, connection) {
+        super(pool);
+        this.connectionId = connection.id;
+    }
+}
+exports.ConnectionReadyEvent = ConnectionReadyEvent;
+/**
+ * An event published when a connection is closed
+ * @public
+ * @category Event
+ */
+class ConnectionClosedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, connection, reason) {
+        super(pool);
+        this.connectionId = connection.id;
+        this.reason = reason || 'unknown';
+        this.serviceId = connection.serviceId;
+    }
+}
+exports.ConnectionClosedEvent = ConnectionClosedEvent;
+/**
+ * An event published when a request to check a connection out begins
+ * @public
+ * @category Event
+ */
+class ConnectionCheckOutStartedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool) {
+        super(pool);
+    }
+}
+exports.ConnectionCheckOutStartedEvent = ConnectionCheckOutStartedEvent;
+/**
+ * An event published when a request to check a connection out fails
+ * @public
+ * @category Event
+ */
+class ConnectionCheckOutFailedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, reason) {
+        super(pool);
+        this.reason = reason;
+    }
+}
+exports.ConnectionCheckOutFailedEvent = ConnectionCheckOutFailedEvent;
+/**
+ * An event published when a connection is checked out of the connection pool
+ * @public
+ * @category Event
+ */
+class ConnectionCheckedOutEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, connection) {
+        super(pool);
+        this.connectionId = connection.id;
+    }
+}
+exports.ConnectionCheckedOutEvent = ConnectionCheckedOutEvent;
+/**
+ * An event published when a connection is checked into the connection pool
+ * @public
+ * @category Event
+ */
+class ConnectionCheckedInEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, connection) {
+        super(pool);
+        this.connectionId = connection.id;
+    }
+}
+exports.ConnectionCheckedInEvent = ConnectionCheckedInEvent;
+/**
+ * An event published when a connection pool is cleared
+ * @public
+ * @category Event
+ */
+class ConnectionPoolClearedEvent extends ConnectionPoolMonitoringEvent {
+    /** @internal */
+    constructor(pool, serviceId) {
+        super(pool);
+        this.serviceId = serviceId;
+    }
+}
+exports.ConnectionPoolClearedEvent = ConnectionPoolClearedEvent;
+//# sourceMappingURL=connection_pool_events.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection_pool_events.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection_pool_events.js.map
new file mode 100644
index 000000000..47ecacd5a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/connection_pool_events.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"connection_pool_events.js","sourceRoot":"","sources":["../../src/cmap/connection_pool_events.ts"],"names":[],"mappings":";;;AAKA;;;;GAIG;AACH,MAAa,6BAA6B;IAMxC,gBAAgB;IAChB,YAAY,IAAoB;QAC9B,IAAI,CAAC,IAAI,GAAG,IAAI,IAAI,EAAE,CAAC;QACvB,IAAI,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;IAC9B,CAAC;CACF;AAXD,sEAWC;AAED;;;;GAIG;AACH,MAAa,0BAA2B,SAAQ,6BAA6B;IAI3E,gBAAgB;IAChB,YAAY,IAAoB;QAC9B,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;IAC9B,CAAC;CACF;AATD,gEASC;AAED;;;;GAIG;AACH,MAAa,yBAA0B,SAAQ,6BAA6B;IAC1E,gBAAgB;IAChB,YAAY,IAAoB;QAC9B,KAAK,CAAC,IAAI,CAAC,CAAC;IACd,CAAC;CACF;AALD,8DAKC;AAED;;;;GAIG;AACH,MAAa,sBAAuB,SAAQ,6BAA6B;IAIvE,gBAAgB;IAChB,YAAY,IAAoB,EAAE,UAAwC;QACxE,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,YAAY,GAAG,UAAU,CAAC,EAAE,CAAC;IACpC,CAAC;CACF;AATD,wDASC;AAED;;;;GAIG;AACH,MAAa,oBAAqB,SAAQ,6BAA6B;IAIrE,gBAAgB;IAChB,YAAY,IAAoB,EAAE,UAAsB;QACtD,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,YAAY,GAAG,UAAU,CAAC,EAAE,CAAC;IACpC,CAAC;CACF;AATD,oDASC;AAED;;;;GAIG;AACH,MAAa,qBAAsB,SAAQ,6BAA6B;IAOtE,gBAAgB;IAChB,YAAY,IAAoB,EAAE,UAAsB,EAAE,MAAc;QACtE,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,YAAY,GAAG,UAAU,CAAC,EAAE,CAAC;QAClC,IAAI,CAAC,MAAM,GAAG,MAAM,IAAI,SAAS,CAAC;QAClC,IAAI,CAAC,SAAS,GAAG,UAAU,CAAC,SAAS,CAAC;IACxC,CAAC;CACF;AAdD,sDAcC;AAED;;;;GAIG;AACH,MAAa,8BAA+B,SAAQ,6BAA6B;IAC/E,gBAAgB;IAChB,YAAY,IAAoB;QAC9B,KAAK,CAAC,IAAI,CAAC,CAAC;IACd,CAAC;CACF;AALD,wEAKC;AAED;;;;GAIG;AACH,MAAa,6BAA8B,SAAQ,6BAA6B;IAI9E,gBAAgB;IAChB,YAAY,IAAoB,EAAE,MAAyB;QACzD,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;IACvB,CAAC;CACF;AATD,sEASC;AAED;;;;GAIG;AACH,MAAa,yBAA0B,SAAQ,6BAA6B;IAI1E,gBAAgB;IAChB,YAAY,IAAoB,EAAE,UAAsB;QACtD,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,YAAY,GAAG,UAAU,CAAC,EAAE,CAAC;IACpC,CAAC;CACF;AATD,8DASC;AAED;;;;GAIG;AACH,MAAa,wBAAyB,SAAQ,6BAA6B;IAIzE,gBAAgB;IAChB,YAAY,IAAoB,EAAE,UAAsB;QACtD,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,YAAY,GAAG,UAAU,CAAC,EAAE,CAAC;IACpC,CAAC;CACF;AATD,4DASC;AAED;;;;GAIG;AACH,MAAa,0BAA2B,SAAQ,6BAA6B;IAI3E,gBAAgB;IAChB,YAAY,IAAoB,EAAE,SAAoB;QACpD,KAAK,CAAC,IAAI,CAAC,CAAC;QACZ,IAAI,CAAC,SAAS,GAAG,SAAS,CAAC;IAC7B,CAAC;CACF;AATD,gEASC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/errors.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/errors.js
new file mode 100644
index 000000000..63112628a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/errors.js
@@ -0,0 +1,33 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.WaitQueueTimeoutError = exports.PoolClosedError = void 0;
+const error_1 = require("../error");
+/**
+ * An error indicating a connection pool is closed
+ * @category Error
+ */
+class PoolClosedError extends error_1.MongoDriverError {
+    constructor(pool) {
+        super('Attempted to check out a connection from closed connection pool');
+        this.address = pool.address;
+    }
+    get name() {
+        return 'MongoPoolClosedError';
+    }
+}
+exports.PoolClosedError = PoolClosedError;
+/**
+ * An error thrown when a request to check out a connection times out
+ * @category Error
+ */
+class WaitQueueTimeoutError extends error_1.MongoDriverError {
+    constructor(message, address) {
+        super(message);
+        this.address = address;
+    }
+    get name() {
+        return 'MongoWaitQueueTimeoutError';
+    }
+}
+exports.WaitQueueTimeoutError = WaitQueueTimeoutError;
+//# sourceMappingURL=errors.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/errors.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/errors.js.map
new file mode 100644
index 000000000..ae7e49659
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/errors.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"errors.js","sourceRoot":"","sources":["../../src/cmap/errors.ts"],"names":[],"mappings":";;;AAAA,oCAA4C;AAG5C;;;GAGG;AACH,MAAa,eAAgB,SAAQ,wBAAgB;IAInD,YAAY,IAAoB;QAC9B,KAAK,CAAC,iEAAiE,CAAC,CAAC;QACzE,IAAI,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;IAC9B,CAAC;IAED,IAAa,IAAI;QACf,OAAO,sBAAsB,CAAC;IAChC,CAAC;CACF;AAZD,0CAYC;AAED;;;GAGG;AACH,MAAa,qBAAsB,SAAQ,wBAAgB;IAIzD,YAAY,OAAe,EAAE,OAAe;QAC1C,KAAK,CAAC,OAAO,CAAC,CAAC;QACf,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IAED,IAAa,IAAI;QACf,OAAO,4BAA4B,CAAC;IACtC,CAAC;CACF;AAZD,sDAYC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/message_stream.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/message_stream.js
new file mode 100644
index 000000000..de7e7d7a5
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/message_stream.js
@@ -0,0 +1,175 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MessageStream = void 0;
+const stream_1 = require("stream");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const commands_1 = require("./commands");
+const compression_1 = require("./wire_protocol/compression");
+const constants_1 = require("./wire_protocol/constants");
+const MESSAGE_HEADER_SIZE = 16;
+const COMPRESSION_DETAILS_SIZE = 9; // originalOpcode + uncompressedSize, compressorID
+const kDefaultMaxBsonMessageSize = 1024 * 1024 * 16 * 4;
+/** @internal */
+const kBuffer = Symbol('buffer');
+/**
+ * A duplex stream that is capable of reading and writing raw wire protocol messages, with
+ * support for optional compression
+ * @internal
+ */
+class MessageStream extends stream_1.Duplex {
+    constructor(options = {}) {
+        super(options);
+        /** @internal */
+        this.isMonitoringConnection = false;
+        this.maxBsonMessageSize = options.maxBsonMessageSize || kDefaultMaxBsonMessageSize;
+        this[kBuffer] = new utils_1.BufferPool();
+    }
+    get buffer() {
+        return this[kBuffer];
+    }
+    _write(chunk, _, callback) {
+        this[kBuffer].append(chunk);
+        processIncomingData(this, callback);
+    }
+    _read( /* size */) {
+        // NOTE: This implementation is empty because we explicitly push data to be read
+        //       when `writeMessage` is called.
+        return;
+    }
+    writeCommand(command, operationDescription) {
+        // TODO: agreed compressor should live in `StreamDescription`
+        const compressorName = operationDescription && operationDescription.agreedCompressor
+            ? operationDescription.agreedCompressor
+            : 'none';
+        if (compressorName === 'none' || !canCompress(command)) {
+            const data = command.toBin();
+            this.push(Array.isArray(data) ? Buffer.concat(data) : data);
+            return;
+        }
+        // otherwise, compress the message
+        const concatenatedOriginalCommandBuffer = Buffer.concat(command.toBin());
+        const messageToBeCompressed = concatenatedOriginalCommandBuffer.slice(MESSAGE_HEADER_SIZE);
+        // Extract information needed for OP_COMPRESSED from the uncompressed message
+        const originalCommandOpCode = concatenatedOriginalCommandBuffer.readInt32LE(12);
+        // Compress the message body
+        (0, compression_1.compress)({ options: operationDescription }, messageToBeCompressed, (err, compressedMessage) => {
+            if (err || !compressedMessage) {
+                operationDescription.cb(err);
+                return;
+            }
+            // Create the msgHeader of OP_COMPRESSED
+            const msgHeader = Buffer.alloc(MESSAGE_HEADER_SIZE);
+            msgHeader.writeInt32LE(MESSAGE_HEADER_SIZE + COMPRESSION_DETAILS_SIZE + compressedMessage.length, 0); // messageLength
+            msgHeader.writeInt32LE(command.requestId, 4); // requestID
+            msgHeader.writeInt32LE(0, 8); // responseTo (zero)
+            msgHeader.writeInt32LE(constants_1.OP_COMPRESSED, 12); // opCode
+            // Create the compression details of OP_COMPRESSED
+            const compressionDetails = Buffer.alloc(COMPRESSION_DETAILS_SIZE);
+            compressionDetails.writeInt32LE(originalCommandOpCode, 0); // originalOpcode
+            compressionDetails.writeInt32LE(messageToBeCompressed.length, 4); // Size of the uncompressed compressedMessage, excluding the MsgHeader
+            compressionDetails.writeUInt8(compression_1.Compressor[compressorName], 8); // compressorID
+            this.push(Buffer.concat([msgHeader, compressionDetails, compressedMessage]));
+        });
+    }
+}
+exports.MessageStream = MessageStream;
+// Return whether a command contains an uncompressible command term
+// Will return true if command contains no uncompressible command terms
+function canCompress(command) {
+    const commandDoc = command instanceof commands_1.Msg ? command.command : command.query;
+    const commandName = Object.keys(commandDoc)[0];
+    return !compression_1.uncompressibleCommands.has(commandName);
+}
+function processIncomingData(stream, callback) {
+    const buffer = stream[kBuffer];
+    if (buffer.length < 4) {
+        callback();
+        return;
+    }
+    const sizeOfMessage = buffer.peek(4).readInt32LE();
+    if (sizeOfMessage < 0) {
+        callback(new error_1.MongoParseError(`Invalid message size: ${sizeOfMessage}`));
+        return;
+    }
+    if (sizeOfMessage > stream.maxBsonMessageSize) {
+        callback(new error_1.MongoParseError(`Invalid message size: ${sizeOfMessage}, max allowed: ${stream.maxBsonMessageSize}`));
+        return;
+    }
+    if (sizeOfMessage > buffer.length) {
+        callback();
+        return;
+    }
+    const message = buffer.read(sizeOfMessage);
+    const messageHeader = {
+        length: message.readInt32LE(0),
+        requestId: message.readInt32LE(4),
+        responseTo: message.readInt32LE(8),
+        opCode: message.readInt32LE(12)
+    };
+    const monitorHasAnotherHello = () => {
+        if (stream.isMonitoringConnection) {
+            // Can we read the next message size?
+            if (buffer.length >= 4) {
+                const sizeOfMessage = buffer.peek(4).readInt32LE();
+                if (sizeOfMessage <= buffer.length) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    };
+    let ResponseType = messageHeader.opCode === constants_1.OP_MSG ? commands_1.BinMsg : commands_1.Response;
+    if (messageHeader.opCode !== constants_1.OP_COMPRESSED) {
+        const messageBody = message.slice(MESSAGE_HEADER_SIZE);
+        // If we are a monitoring connection message stream and
+        // there is more in the buffer that can be read, skip processing since we
+        // want the last hello command response that is in the buffer.
+        if (monitorHasAnotherHello()) {
+            processIncomingData(stream, callback);
+        }
+        else {
+            stream.emit('message', new ResponseType(message, messageHeader, messageBody));
+            if (buffer.length >= 4) {
+                processIncomingData(stream, callback);
+            }
+            else {
+                callback();
+            }
+        }
+        return;
+    }
+    messageHeader.fromCompressed = true;
+    messageHeader.opCode = message.readInt32LE(MESSAGE_HEADER_SIZE);
+    messageHeader.length = message.readInt32LE(MESSAGE_HEADER_SIZE + 4);
+    const compressorID = message[MESSAGE_HEADER_SIZE + 8];
+    const compressedBuffer = message.slice(MESSAGE_HEADER_SIZE + 9);
+    // recalculate based on wrapped opcode
+    ResponseType = messageHeader.opCode === constants_1.OP_MSG ? commands_1.BinMsg : commands_1.Response;
+    (0, compression_1.decompress)(compressorID, compressedBuffer, (err, messageBody) => {
+        if (err || !messageBody) {
+            callback(err);
+            return;
+        }
+        if (messageBody.length !== messageHeader.length) {
+            callback(new error_1.MongoDecompressionError('Message body and message header must be the same length'));
+            return;
+        }
+        // If we are a monitoring connection message stream and
+        // there is more in the buffer that can be read, skip processing since we
+        // want the last hello command response that is in the buffer.
+        if (monitorHasAnotherHello()) {
+            processIncomingData(stream, callback);
+        }
+        else {
+            stream.emit('message', new ResponseType(message, messageHeader, messageBody));
+            if (buffer.length >= 4) {
+                processIncomingData(stream, callback);
+            }
+            else {
+                callback();
+            }
+        }
+    });
+}
+//# sourceMappingURL=message_stream.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/message_stream.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/message_stream.js.map
new file mode 100644
index 000000000..892b31e69
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/message_stream.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"message_stream.js","sourceRoot":"","sources":["../../src/cmap/message_stream.ts"],"names":[],"mappings":";;;AAAA,mCAA+C;AAG/C,oCAAoE;AAEpE,oCAAgD;AAChD,yCAA4F;AAC5F,6DAMqC;AACrC,yDAAkE;AAElE,MAAM,mBAAmB,GAAG,EAAE,CAAC;AAC/B,MAAM,wBAAwB,GAAG,CAAC,CAAC,CAAC,kDAAkD;AAEtF,MAAM,0BAA0B,GAAG,IAAI,GAAG,IAAI,GAAG,EAAE,GAAG,CAAC,CAAC;AACxD,gBAAgB;AAChB,MAAM,OAAO,GAAG,MAAM,CAAC,QAAQ,CAAC,CAAC;AAuBjC;;;;GAIG;AACH,MAAa,aAAc,SAAQ,eAAM;IAQvC,YAAY,UAAgC,EAAE;QAC5C,KAAK,CAAC,OAAO,CAAC,CAAC;QAJjB,gBAAgB;QAChB,2BAAsB,GAAG,KAAK,CAAC;QAI7B,IAAI,CAAC,kBAAkB,GAAG,OAAO,CAAC,kBAAkB,IAAI,0BAA0B,CAAC;QACnF,IAAI,CAAC,OAAO,CAAC,GAAG,IAAI,kBAAU,EAAE,CAAC;IACnC,CAAC;IAED,IAAI,MAAM;QACR,OAAO,IAAI,CAAC,OAAO,CAAC,CAAC;IACvB,CAAC;IAEQ,MAAM,CAAC,KAAa,EAAE,CAAU,EAAE,QAA0B;QACnE,IAAI,CAAC,OAAO,CAAC,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;QAC5B,mBAAmB,CAAC,IAAI,EAAE,QAAQ,CAAC,CAAC;IACtC,CAAC;IAEQ,KAAK,EAAC,UAAU;QACvB,gFAAgF;QAChF,uCAAuC;QACvC,OAAO;IACT,CAAC;IAED,YAAY,CACV,OAAiC,EACjC,oBAA0C;QAE1C,6DAA6D;QAC7D,MAAM,cAAc,GAClB,oBAAoB,IAAI,oBAAoB,CAAC,gBAAgB;YAC3D,CAAC,CAAC,oBAAoB,CAAC,gBAAgB;YACvC,CAAC,CAAC,MAAM,CAAC;QACb,IAAI,cAAc,KAAK,MAAM,IAAI,CAAC,WAAW,CAAC,OAAO,CAAC,EAAE;YACtD,MAAM,IAAI,GAAG,OAAO,CAAC,KAAK,EAAE,CAAC;YAC7B,IAAI,CAAC,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,MAAM,CAAC,MAAM,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC;YAC5D,OAAO;SACR;QACD,kCAAkC;QAClC,MAAM,iCAAiC,GAAG,MAAM,CAAC,MAAM,CAAC,OAAO,CAAC,KAAK,EAAE,CAAC,CAAC;QACzE,MAAM,qBAAqB,GAAG,iCAAiC,CAAC,KAAK,CAAC,mBAAmB,CAAC,CAAC;QAE3F,6EAA6E;QAC7E,MAAM,qBAAqB,GAAG,iCAAiC,CAAC,WAAW,CAAC,EAAE,CAAC,CAAC;QAEhF,4BAA4B;QAC5B,IAAA,sBAAQ,EAAC,EAAE,OAAO,EAAE,oBAAoB,EAAE,EAAE,qBAAqB,EAAE,CAAC,GAAG,EAAE,iBAAiB,EAAE,EAAE;YAC5F,IAAI,GAAG,IAAI,CAAC,iBAAiB,EAAE;gBAC7B,oBAAoB,CAAC,EAAE,CAAC,GAAG,CAAC,CAAC;gBAC7B,OAAO;aACR;YAED,wCAAwC;YACxC,MAAM,SAAS,GAAG,MAAM,CAAC,KAAK,CAAC,mBAAmB,CAAC,CAAC;YACpD,SAAS,CAAC,YAAY,CACpB,mBAAmB,GAAG,wBAAwB,GAAG,iBAAiB,CAAC,MAAM,EACzE,CAAC,CACF,CAAC,CAAC,gBAAgB;YACnB,SAAS,CAAC,YAAY,CAAC,OAAO,CAAC,SAAS,EAAE,CAAC,CAAC,CAAC,CAAC,YAAY;YAC1D,SAAS,CAAC,YAAY,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,oBAAoB;YAClD,SAAS,CAAC,YAAY,CAAC,yBAAa,EAAE,EAAE,CAAC,CAAC,CAAC,SAAS;YAEpD,kDAAkD;YAClD,MAAM,kBAAkB,GAAG,MAAM,CAAC,KAAK,CAAC,wBAAwB,CAAC,CAAC;YAClE,kBAAkB,CAAC,YAAY,CAAC,qBAAqB,EAAE,CAAC,CAAC,CAAC,CAAC,iBAAiB;YAC5E,kBAAkB,CAAC,YAAY,CAAC,qBAAqB,CAAC,MAAM,EAAE,CAAC,CAAC,CAAC,CAAC,sEAAsE;YACxI,kBAAkB,CAAC,UAAU,CAAC,wBAAU,CAAC,cAAc,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,eAAe;YAC7E,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,MAAM,CAAC,CAAC,SAAS,EAAE,kBAAkB,EAAE,iBAAiB,CAAC,CAAC,CAAC,CAAC;QAC/E,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA3ED,sCA2EC;AAED,mEAAmE;AACnE,uEAAuE;AACvE,SAAS,WAAW,CAAC,OAAiC;IACpD,MAAM,UAAU,GAAG,OAAO,YAAY,cAAG,CAAC,CAAC,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC,CAAC,OAAO,CAAC,KAAK,CAAC;IAC5E,MAAM,WAAW,GAAG,MAAM,CAAC,IAAI,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC,CAAC;IAC/C,OAAO,CAAC,oCAAsB,CAAC,GAAG,CAAC,WAAW,CAAC,CAAC;AAClD,CAAC;AAED,SAAS,mBAAmB,CAAC,MAAqB,EAAE,QAA0B;IAC5E,MAAM,MAAM,GAAG,MAAM,CAAC,OAAO,CAAC,CAAC;IAC/B,IAAI,MAAM,CAAC,MAAM,GAAG,CAAC,EAAE;QACrB,QAAQ,EAAE,CAAC;QACX,OAAO;KACR;IAED,MAAM,aAAa,GAAG,MAAM,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,WAAW,EAAE,CAAC;IACnD,IAAI,aAAa,GAAG,CAAC,EAAE;QACrB,QAAQ,CAAC,IAAI,uBAAe,CAAC,yBAAyB,aAAa,EAAE,CAAC,CAAC,CAAC;QACxE,OAAO;KACR;IAED,IAAI,aAAa,GAAG,MAAM,CAAC,kBAAkB,EAAE;QAC7C,QAAQ,CACN,IAAI,uBAAe,CACjB,yBAAyB,aAAa,kBAAkB,MAAM,CAAC,kBAAkB,EAAE,CACpF,CACF,CAAC;QACF,OAAO;KACR;IAED,IAAI,aAAa,GAAG,MAAM,CAAC,MAAM,EAAE;QACjC,QAAQ,EAAE,CAAC;QACX,OAAO;KACR;IAED,MAAM,OAAO,GAAG,MAAM,CAAC,IAAI,CAAC,aAAa,CAAC,CAAC;IAC3C,MAAM,aAAa,GAAkB;QACnC,MAAM,EAAE,OAAO,CAAC,WAAW,CAAC,CAAC,CAAC;QAC9B,SAAS,EAAE,OAAO,CAAC,WAAW,CAAC,CAAC,CAAC;QACjC,UAAU,EAAE,OAAO,CAAC,WAAW,CAAC,CAAC,CAAC;QAClC,MAAM,EAAE,OAAO,CAAC,WAAW,CAAC,EAAE,CAAC;KAChC,CAAC;IAEF,MAAM,sBAAsB,GAAG,GAAG,EAAE;QAClC,IAAI,MAAM,CAAC,sBAAsB,EAAE;YACjC,qCAAqC;YACrC,IAAI,MAAM,CAAC,MAAM,IAAI,CAAC,EAAE;gBACtB,MAAM,aAAa,GAAG,MAAM,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,WAAW,EAAE,CAAC;gBACnD,IAAI,aAAa,IAAI,MAAM,CAAC,MAAM,EAAE;oBAClC,OAAO,IAAI,CAAC;iBACb;aACF;SACF;QACD,OAAO,KAAK,CAAC;IACf,CAAC,CAAC;IAEF,IAAI,YAAY,GAAG,aAAa,CAAC,MAAM,KAAK,kBAAM,CAAC,CAAC,CAAC,iBAAM,CAAC,CAAC,CAAC,mBAAQ,CAAC;IACvE,IAAI,aAAa,CAAC,MAAM,KAAK,yBAAa,EAAE;QAC1C,MAAM,WAAW,GAAG,OAAO,CAAC,KAAK,CAAC,mBAAmB,CAAC,CAAC;QAEvD,uDAAuD;QACvD,yEAAyE;QACzE,8DAA8D;QAC9D,IAAI,sBAAsB,EAAE,EAAE;YAC5B,mBAAmB,CAAC,MAAM,EAAE,QAAQ,CAAC,CAAC;SACvC;aAAM;YACL,MAAM,CAAC,IAAI,CAAC,SAAS,EAAE,IAAI,YAAY,CAAC,OAAO,EAAE,aAAa,EAAE,WAAW,CAAC,CAAC,CAAC;YAE9E,IAAI,MAAM,CAAC,MAAM,IAAI,CAAC,EAAE;gBACtB,mBAAmB,CAAC,MAAM,EAAE,QAAQ,CAAC,CAAC;aACvC;iBAAM;gBACL,QAAQ,EAAE,CAAC;aACZ;SACF;QAED,OAAO;KACR;IAED,aAAa,CAAC,cAAc,GAAG,IAAI,CAAC;IACpC,aAAa,CAAC,MAAM,GAAG,OAAO,CAAC,WAAW,CAAC,mBAAmB,CAAC,CAAC;IAChE,aAAa,CAAC,MAAM,GAAG,OAAO,CAAC,WAAW,CAAC,mBAAmB,GAAG,CAAC,CAAC,CAAC;IACpE,MAAM,YAAY,GAAe,OAAO,CAAC,mBAAmB,GAAG,CAAC,CAAe,CAAC;IAChF,MAAM,gBAAgB,GAAG,OAAO,CAAC,KAAK,CAAC,mBAAmB,GAAG,CAAC,CAAC,CAAC;IAEhE,sCAAsC;IACtC,YAAY,GAAG,aAAa,CAAC,MAAM,KAAK,kBAAM,CAAC,CAAC,CAAC,iBAAM,CAAC,CAAC,CAAC,mBAAQ,CAAC;IACnE,IAAA,wBAAU,EA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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/metrics.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/metrics.js
new file mode 100644
index 000000000..89c221091
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/metrics.js
@@ -0,0 +1,62 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ConnectionPoolMetrics = void 0;
+/** @internal */
+class ConnectionPoolMetrics {
+    constructor() {
+        this.txnConnections = 0;
+        this.cursorConnections = 0;
+        this.otherConnections = 0;
+    }
+    /**
+     * Mark a connection as pinned for a specific operation.
+     */
+    markPinned(pinType) {
+        if (pinType === ConnectionPoolMetrics.TXN) {
+            this.txnConnections += 1;
+        }
+        else if (pinType === ConnectionPoolMetrics.CURSOR) {
+            this.cursorConnections += 1;
+        }
+        else {
+            this.otherConnections += 1;
+        }
+    }
+    /**
+     * Unmark a connection as pinned for an operation.
+     */
+    markUnpinned(pinType) {
+        if (pinType === ConnectionPoolMetrics.TXN) {
+            this.txnConnections -= 1;
+        }
+        else if (pinType === ConnectionPoolMetrics.CURSOR) {
+            this.cursorConnections -= 1;
+        }
+        else {
+            this.otherConnections -= 1;
+        }
+    }
+    /**
+     * Return information about the cmap metrics as a string.
+     */
+    info(maxPoolSize) {
+        return ('Timed out while checking out a connection from connection pool: ' +
+            `maxPoolSize: ${maxPoolSize}, ` +
+            `connections in use by cursors: ${this.cursorConnections}, ` +
+            `connections in use by transactions: ${this.txnConnections}, ` +
+            `connections in use by other operations: ${this.otherConnections}`);
+    }
+    /**
+     * Reset the metrics to the initial values.
+     */
+    reset() {
+        this.txnConnections = 0;
+        this.cursorConnections = 0;
+        this.otherConnections = 0;
+    }
+}
+exports.ConnectionPoolMetrics = ConnectionPoolMetrics;
+ConnectionPoolMetrics.TXN = 'txn';
+ConnectionPoolMetrics.CURSOR = 'cursor';
+ConnectionPoolMetrics.OTHER = 'other';
+//# sourceMappingURL=metrics.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/metrics.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/metrics.js.map
new file mode 100644
index 000000000..270cefe79
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/metrics.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"metrics.js","sourceRoot":"","sources":["../../src/cmap/metrics.ts"],"names":[],"mappings":";;;AAAA,gBAAgB;AAChB,MAAa,qBAAqB;IAAlC;QAKE,mBAAc,GAAG,CAAC,CAAC;QACnB,sBAAiB,GAAG,CAAC,CAAC;QACtB,qBAAgB,GAAG,CAAC,CAAC;IAiDvB,CAAC;IA/CC;;OAEG;IACH,UAAU,CAAC,OAAe;QACxB,IAAI,OAAO,KAAK,qBAAqB,CAAC,GAAG,EAAE;YACzC,IAAI,CAAC,cAAc,IAAI,CAAC,CAAC;SAC1B;aAAM,IAAI,OAAO,KAAK,qBAAqB,CAAC,MAAM,EAAE;YACnD,IAAI,CAAC,iBAAiB,IAAI,CAAC,CAAC;SAC7B;aAAM;YACL,IAAI,CAAC,gBAAgB,IAAI,CAAC,CAAC;SAC5B;IACH,CAAC;IAED;;OAEG;IACH,YAAY,CAAC,OAAe;QAC1B,IAAI,OAAO,KAAK,qBAAqB,CAAC,GAAG,EAAE;YACzC,IAAI,CAAC,cAAc,IAAI,CAAC,CAAC;SAC1B;aAAM,IAAI,OAAO,KAAK,qBAAqB,CAAC,MAAM,EAAE;YACnD,IAAI,CAAC,iBAAiB,IAAI,CAAC,CAAC;SAC7B;aAAM;YACL,IAAI,CAAC,gBAAgB,IAAI,CAAC,CAAC;SAC5B;IACH,CAAC;IAED;;OAEG;IACH,IAAI,CAAC,WAAmB;QACtB,OAAO,CACL,kEAAkE;YAClE,gBAAgB,WAAW,IAAI;YAC/B,kCAAkC,IAAI,CAAC,iBAAiB,IAAI;YAC5D,uCAAuC,IAAI,CAAC,cAAc,IAAI;YAC9D,2CAA2C,IAAI,CAAC,gBAAgB,EAAE,CACnE,CAAC;IACJ,CAAC;IAED;;OAEG;IACH,KAAK;QACH,IAAI,CAAC,cAAc,GAAG,CAAC,CAAC;QACxB,IAAI,CAAC,iBAAiB,GAAG,CAAC,CAAC;QAC3B,IAAI,CAAC,gBAAgB,GAAG,CAAC,CAAC;IAC5B,CAAC;;AAvDH,sDAwDC;AAvDiB,yBAAG,GAAG,KAAc,CAAC;AACrB,4BAAM,GAAG,QAAiB,CAAC;AAC3B,2BAAK,GAAG,OAAgB,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/stream_description.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/stream_description.js
new file mode 100644
index 000000000..4d4eb3293
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/stream_description.js
@@ -0,0 +1,51 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.StreamDescription = void 0;
+const common_1 = require("../sdam/common");
+const server_description_1 = require("../sdam/server_description");
+const RESPONSE_FIELDS = [
+    'minWireVersion',
+    'maxWireVersion',
+    'maxBsonObjectSize',
+    'maxMessageSizeBytes',
+    'maxWriteBatchSize',
+    'logicalSessionTimeoutMinutes'
+];
+/** @public */
+class StreamDescription {
+    constructor(address, options) {
+        this.address = address;
+        this.type = common_1.ServerType.Unknown;
+        this.minWireVersion = undefined;
+        this.maxWireVersion = undefined;
+        this.maxBsonObjectSize = 16777216;
+        this.maxMessageSizeBytes = 48000000;
+        this.maxWriteBatchSize = 100000;
+        this.logicalSessionTimeoutMinutes = options === null || options === void 0 ? void 0 : options.logicalSessionTimeoutMinutes;
+        this.loadBalanced = !!(options === null || options === void 0 ? void 0 : options.loadBalanced);
+        this.compressors =
+            options && options.compressors && Array.isArray(options.compressors)
+                ? options.compressors
+                : [];
+    }
+    receiveResponse(response) {
+        if (response == null) {
+            return;
+        }
+        this.type = (0, server_description_1.parseServerType)(response);
+        for (const field of RESPONSE_FIELDS) {
+            if (response[field] != null) {
+                this[field] = response[field];
+            }
+            // testing case
+            if ('__nodejs_mock_server__' in response) {
+                this.__nodejs_mock_server__ = response['__nodejs_mock_server__'];
+            }
+        }
+        if (response.compression) {
+            this.compressor = this.compressors.filter(c => { var _a; return (_a = response.compression) === null || _a === void 0 ? void 0 : _a.includes(c); })[0];
+        }
+    }
+}
+exports.StreamDescription = StreamDescription;
+//# sourceMappingURL=stream_description.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/stream_description.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/stream_description.js.map
new file mode 100644
index 000000000..1cebe013f
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/stream_description.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"stream_description.js","sourceRoot":"","sources":["../../src/cmap/stream_description.ts"],"names":[],"mappings":";;;AACA,2CAA4C;AAC5C,mEAA6D;AAG7D,MAAM,eAAe,GAAG;IACtB,gBAAgB;IAChB,gBAAgB;IAChB,mBAAmB;IACnB,qBAAqB;IACrB,mBAAmB;IACnB,8BAA8B;CACtB,CAAC;AASX,cAAc;AACd,MAAa,iBAAiB;IAiB5B,YAAY,OAAe,EAAE,OAAkC;QAC7D,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,IAAI,GAAG,mBAAU,CAAC,OAAO,CAAC;QAC/B,IAAI,CAAC,cAAc,GAAG,SAAS,CAAC;QAChC,IAAI,CAAC,cAAc,GAAG,SAAS,CAAC;QAChC,IAAI,CAAC,iBAAiB,GAAG,QAAQ,CAAC;QAClC,IAAI,CAAC,mBAAmB,GAAG,QAAQ,CAAC;QACpC,IAAI,CAAC,iBAAiB,GAAG,MAAM,CAAC;QAChC,IAAI,CAAC,4BAA4B,GAAG,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,4BAA4B,CAAC;QAC1E,IAAI,CAAC,YAAY,GAAG,CAAC,CAAC,CAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,YAAY,CAAA,CAAC;QAC5C,IAAI,CAAC,WAAW;YACd,OAAO,IAAI,OAAO,CAAC,WAAW,IAAI,KAAK,CAAC,OAAO,CAAC,OAAO,CAAC,WAAW,CAAC;gBAClE,CAAC,CAAC,OAAO,CAAC,WAAW;gBACrB,CAAC,CAAC,EAAE,CAAC;IACX,CAAC;IAED,eAAe,CAAC,QAAyB;QACvC,IAAI,QAAQ,IAAI,IAAI,EAAE;YACpB,OAAO;SACR;QACD,IAAI,CAAC,IAAI,GAAG,IAAA,oCAAe,EAAC,QAAQ,CAAC,CAAC;QACtC,KAAK,MAAM,KAAK,IAAI,eAAe,EAAE;YACnC,IAAI,QAAQ,CAAC,KAAK,CAAC,IAAI,IAAI,EAAE;gBAC3B,IAAI,CAAC,KAAK,CAAC,GAAG,QAAQ,CAAC,KAAK,CAAC,CAAC;aAC/B;YAED,eAAe;YACf,IAAI,wBAAwB,IAAI,QAAQ,EAAE;gBACxC,IAAI,CAAC,sBAAsB,GAAG,QAAQ,CAAC,wBAAwB,CAAC,CAAC;aAClE;SACF;QAED,IAAI,QAAQ,CAAC,WAAW,EAAE;YACxB,IAAI,CAAC,UAAU,GAAG,IAAI,CAAC,WAAW,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,WAAC,OAAA,MAAA,QAAQ,CAAC,WAAW,0CAAE,QAAQ,CAAC,CAAC,CAAC,CAAA,EAAA,CAAC,CAAC,CAAC,CAAC,CAAC;SACtF;IACH,CAAC;CACF;AArDD,8CAqDC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/compression.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/compression.js
new file mode 100644
index 000000000..e198be865
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/compression.js
@@ -0,0 +1,96 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.decompress = exports.compress = exports.uncompressibleCommands = exports.Compressor = void 0;
+const zlib = require("zlib");
+const constants_1 = require("../../constants");
+const deps_1 = require("../../deps");
+const error_1 = require("../../error");
+/** @public */
+exports.Compressor = Object.freeze({
+    none: 0,
+    snappy: 1,
+    zlib: 2,
+    zstd: 3
+});
+exports.uncompressibleCommands = new Set([
+    constants_1.LEGACY_HELLO_COMMAND,
+    'saslStart',
+    'saslContinue',
+    'getnonce',
+    'authenticate',
+    'createUser',
+    'updateUser',
+    'copydbSaslStart',
+    'copydbgetnonce',
+    'copydb'
+]);
+const MAX_COMPRESSOR_ID = 3;
+const ZSTD_COMPRESSION_LEVEL = 3;
+// Facilitate compressing a message using an agreed compressor
+function compress(self, dataToBeCompressed, callback) {
+    const zlibOptions = {};
+    switch (self.options.agreedCompressor) {
+        case 'snappy': {
+            if ('kModuleError' in deps_1.Snappy) {
+                return callback(deps_1.Snappy['kModuleError']);
+            }
+            if (deps_1.Snappy[deps_1.PKG_VERSION].major <= 6) {
+                deps_1.Snappy.compress(dataToBeCompressed, callback);
+            }
+            else {
+                deps_1.Snappy.compress(dataToBeCompressed).then(buffer => callback(undefined, buffer), error => callback(error));
+            }
+            break;
+        }
+        case 'zlib':
+            // Determine zlibCompressionLevel
+            if (self.options.zlibCompressionLevel) {
+                zlibOptions.level = self.options.zlibCompressionLevel;
+            }
+            zlib.deflate(dataToBeCompressed, zlibOptions, callback);
+            break;
+        case 'zstd':
+            if ('kModuleError' in deps_1.ZStandard) {
+                return callback(deps_1.ZStandard['kModuleError']);
+            }
+            deps_1.ZStandard.compress(dataToBeCompressed, ZSTD_COMPRESSION_LEVEL).then(buffer => callback(undefined, buffer), error => callback(error));
+            break;
+        default:
+            throw new error_1.MongoInvalidArgumentError(`Unknown compressor ${self.options.agreedCompressor} failed to compress`);
+    }
+}
+exports.compress = compress;
+// Decompress a message using the given compressor
+function decompress(compressorID, compressedData, callback) {
+    if (compressorID < 0 || compressorID > MAX_COMPRESSOR_ID) {
+        throw new error_1.MongoDecompressionError(`Server sent message compressed using an unsupported compressor. (Received compressor ID ${compressorID})`);
+    }
+    switch (compressorID) {
+        case exports.Compressor.snappy: {
+            if ('kModuleError' in deps_1.Snappy) {
+                return callback(deps_1.Snappy['kModuleError']);
+            }
+            if (deps_1.Snappy[deps_1.PKG_VERSION].major <= 6) {
+                deps_1.Snappy.uncompress(compressedData, { asBuffer: true }, callback);
+            }
+            else {
+                deps_1.Snappy.uncompress(compressedData, { asBuffer: true }).then(buffer => callback(undefined, buffer), error => callback(error));
+            }
+            break;
+        }
+        case exports.Compressor.zstd: {
+            if ('kModuleError' in deps_1.ZStandard) {
+                return callback(deps_1.ZStandard['kModuleError']);
+            }
+            deps_1.ZStandard.decompress(compressedData).then(buffer => callback(undefined, buffer), error => callback(error));
+            break;
+        }
+        case exports.Compressor.zlib:
+            zlib.inflate(compressedData, callback);
+            break;
+        default:
+            callback(undefined, compressedData);
+    }
+}
+exports.decompress = decompress;
+//# sourceMappingURL=compression.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/compression.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/compression.js.map
new file mode 100644
index 000000000..e2ecbbd3e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/compression.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"compression.js","sourceRoot":"","sources":["../../../src/cmap/wire_protocol/compression.ts"],"names":[],"mappings":";;;AAAA,6BAA6B;AAE7B,+CAAuD;AACvD,qCAA4D;AAC5D,uCAAiF;AAIjF,cAAc;AACD,QAAA,UAAU,GAAG,MAAM,CAAC,MAAM,CAAC;IACtC,IAAI,EAAE,CAAC;IACP,MAAM,EAAE,CAAC;IACT,IAAI,EAAE,CAAC;IACP,IAAI,EAAE,CAAC;CACC,CAAC,CAAC;AAQC,QAAA,sBAAsB,GAAG,IAAI,GAAG,CAAC;IAC5C,gCAAoB;IACpB,WAAW;IACX,cAAc;IACd,UAAU;IACV,cAAc;IACd,YAAY;IACZ,YAAY;IACZ,iBAAiB;IACjB,gBAAgB;IAChB,QAAQ;CACT,CAAC,CAAC;AAEH,MAAM,iBAAiB,GAAG,CAAC,CAAC;AAC5B,MAAM,sBAAsB,GAAG,CAAC,CAAC;AAEjC,8DAA8D;AAC9D,SAAgB,QAAQ,CACtB,IAA0D,EAC1D,kBAA0B,EAC1B,QAA0B;IAE1B,MAAM,WAAW,GAAG,EAAsB,CAAC;IAC3C,QAAQ,IAAI,CAAC,OAAO,CAAC,gBAAgB,EAAE;QACrC,KAAK,QAAQ,CAAC,CAAC;YACb,IAAI,cAAc,IAAI,aAAM,EAAE;gBAC5B,OAAO,QAAQ,CAAC,aAAM,CAAC,cAAc,CAAC,CAAC,CAAC;aACzC;YAED,IAAI,aAAM,CAAC,kBAAW,CAAC,CAAC,KAAK,IAAI,CAAC,EAAE;gBAClC,aAAM,CAAC,QAAQ,CAAC,kBAAkB,EAAE,QAAQ,CAAC,CAAC;aAC/C;iBAAM;gBACL,aAAM,CAAC,QAAQ,CAAC,kBAAkB,CAAC,CAAC,IAAI,CACtC,MAAM,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EACrC,KAAK,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CACzB,CAAC;aACH;YACD,MAAM;SACP;QACD,KAAK,MAAM;YACT,iCAAiC;YACjC,IAAI,IAAI,CAAC,OAAO,CAAC,oBAAoB,EAAE;gBACrC,WAAW,CAAC,KAAK,GAAG,IAAI,CAAC,OAAO,CAAC,oBAAoB,CAAC;aACvD;YACD,IAAI,CAAC,OAAO,CAAC,kBAAkB,EAAE,WAAW,EAAE,QAAiC,CAAC,CAAC;YACjF,MAAM;QACR,KAAK,MAAM;YACT,IAAI,cAAc,IAAI,gBAAS,EAAE;gBAC/B,OAAO,QAAQ,CAAC,gBAAS,CAAC,cAAc,CAAC,CAAC,CAAC;aAC5C;YACD,gBAAS,CAAC,QAAQ,CAAC,kBAAkB,EAAE,sBAAsB,CAAC,CAAC,IAAI,CACjE,MAAM,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EACrC,KAAK,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CACzB,CAAC;YACF,MAAM;QACR;YACE,MAAM,IAAI,iCAAyB,CACjC,sBAAsB,IAAI,CAAC,OAAO,CAAC,gBAAgB,qBAAqB,CACzE,CAAC;KACL;AACH,CAAC;AA3CD,4BA2CC;AAED,kDAAkD;AAClD,SAAgB,UAAU,CACxB,YAAwB,EACxB,cAAsB,EACtB,QAA0B;IAE1B,IAAI,YAAY,GAAG,CAAC,IAAI,YAAY,GAAG,iBAAiB,EAAE;QACxD,MAAM,IAAI,+BAAuB,CAC/B,2FAA2F,YAAY,GAAG,CAC3G,CAAC;KACH;IAED,QAAQ,YAAY,EAAE;QACpB,KAAK,kBAAU,CAAC,MAAM,CAAC,CAAC;YACtB,IAAI,cAAc,IAAI,aAAM,EAAE;gBAC5B,OAAO,QAAQ,CAAC,aAAM,CAAC,cAAc,CAAC,CAAC,CAAC;aACzC;YAED,IAAI,aAAM,CAAC,kBAAW,CAAC,CAAC,KAAK,IAAI,CAAC,EAAE;gBAClC,aAAM,CAAC,UAAU,CAAC,cAAc,EAAE,EAAE,QAAQ,EAAE,IAAI,EAAE,EAAE,QAAQ,CAAC,CAAC;aACjE;iBAAM;gBACL,aAAM,CAAC,UAAU,CAAC,cAAc,EAAE,EAAE,QAAQ,EAAE,IAAI,EAAE,CAAC,CAAC,IAAI,CACxD,MAAM,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EACrC,KAAK,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CACzB,CAAC;aACH;YACD,MAAM;SACP;QACD,KAAK,kBAAU,CAAC,IAAI,CAAC,CAAC;YACpB,IAAI,cAAc,IAAI,gBAAS,EAAE;gBAC/B,OAAO,QAAQ,CAAC,gBAAS,CAAC,cAAc,CAAC,CAAC,CAAC;aAC5C;YAED,gBAAS,CAAC,UAAU,CAAC,cAAc,CAAC,CAAC,IAAI,CACvC,MAAM,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EACrC,KAAK,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CACzB,CAAC;YACF,MAAM;SACP;QACD,KAAK,kBAAU,CAAC,IAAI;YAClB,IAAI,CAAC,OAAO,CAAC,cAAc,EAAE,QAAiC,CAAC,CAAC;YAChE,MAAM;QACR;YACE,QAAQ,CAAC,SAAS,EAAE,cAAc,CAAC,CAAC;KACvC;AACH,CAAC;AA5CD,gCA4CC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/constants.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/constants.js
new file mode 100644
index 000000000..ab10958c4
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/constants.js
@@ -0,0 +1,15 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.OP_MSG = exports.OP_COMPRESSED = exports.OP_DELETE = exports.OP_QUERY = exports.OP_INSERT = exports.OP_UPDATE = exports.OP_REPLY = exports.MAX_SUPPORTED_WIRE_VERSION = exports.MIN_SUPPORTED_WIRE_VERSION = exports.MAX_SUPPORTED_SERVER_VERSION = exports.MIN_SUPPORTED_SERVER_VERSION = void 0;
+exports.MIN_SUPPORTED_SERVER_VERSION = '3.6';
+exports.MAX_SUPPORTED_SERVER_VERSION = '6.0';
+exports.MIN_SUPPORTED_WIRE_VERSION = 6;
+exports.MAX_SUPPORTED_WIRE_VERSION = 17;
+exports.OP_REPLY = 1;
+exports.OP_UPDATE = 2001;
+exports.OP_INSERT = 2002;
+exports.OP_QUERY = 2004;
+exports.OP_DELETE = 2006;
+exports.OP_COMPRESSED = 2012;
+exports.OP_MSG = 2013;
+//# sourceMappingURL=constants.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/constants.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/constants.js.map
new file mode 100644
index 000000000..8974600c4
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/constants.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"constants.js","sourceRoot":"","sources":["../../../src/cmap/wire_protocol/constants.ts"],"names":[],"mappings":";;;AAAa,QAAA,4BAA4B,GAAG,KAAK,CAAC;AACrC,QAAA,4BAA4B,GAAG,KAAK,CAAC;AACrC,QAAA,0BAA0B,GAAG,CAAC,CAAC;AAC/B,QAAA,0BAA0B,GAAG,EAAE,CAAC;AAChC,QAAA,QAAQ,GAAG,CAAC,CAAC;AACb,QAAA,SAAS,GAAG,IAAI,CAAC;AACjB,QAAA,SAAS,GAAG,IAAI,CAAC;AACjB,QAAA,QAAQ,GAAG,IAAI,CAAC;AAChB,QAAA,SAAS,GAAG,IAAI,CAAC;AACjB,QAAA,aAAa,GAAG,IAAI,CAAC;AACrB,QAAA,MAAM,GAAG,IAAI,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/shared.js b/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/shared.js
new file mode 100644
index 000000000..b5d127828
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/shared.js
@@ -0,0 +1,55 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isSharded = exports.applyCommonQueryOptions = exports.getReadPreference = void 0;
+const error_1 = require("../../error");
+const read_preference_1 = require("../../read_preference");
+const common_1 = require("../../sdam/common");
+const topology_description_1 = require("../../sdam/topology_description");
+function getReadPreference(cmd, options) {
+    // Default to command version of the readPreference
+    let readPreference = cmd.readPreference || read_preference_1.ReadPreference.primary;
+    // If we have an option readPreference override the command one
+    if (options === null || options === void 0 ? void 0 : options.readPreference) {
+        readPreference = options.readPreference;
+    }
+    if (typeof readPreference === 'string') {
+        readPreference = read_preference_1.ReadPreference.fromString(readPreference);
+    }
+    if (!(readPreference instanceof read_preference_1.ReadPreference)) {
+        throw new error_1.MongoInvalidArgumentError('Option "readPreference" must be a ReadPreference instance');
+    }
+    return readPreference;
+}
+exports.getReadPreference = getReadPreference;
+function applyCommonQueryOptions(queryOptions, options) {
+    Object.assign(queryOptions, {
+        raw: typeof options.raw === 'boolean' ? options.raw : false,
+        promoteLongs: typeof options.promoteLongs === 'boolean' ? options.promoteLongs : true,
+        promoteValues: typeof options.promoteValues === 'boolean' ? options.promoteValues : true,
+        promoteBuffers: typeof options.promoteBuffers === 'boolean' ? options.promoteBuffers : false,
+        bsonRegExp: typeof options.bsonRegExp === 'boolean' ? options.bsonRegExp : false,
+        enableUtf8Validation: typeof options.enableUtf8Validation === 'boolean' ? options.enableUtf8Validation : true
+    });
+    if (options.session) {
+        queryOptions.session = options.session;
+    }
+    return queryOptions;
+}
+exports.applyCommonQueryOptions = applyCommonQueryOptions;
+function isSharded(topologyOrServer) {
+    if (topologyOrServer == null) {
+        return false;
+    }
+    if (topologyOrServer.description && topologyOrServer.description.type === common_1.ServerType.Mongos) {
+        return true;
+    }
+    // NOTE: This is incredibly inefficient, and should be removed once command construction
+    //       happens based on `Server` not `Topology`.
+    if (topologyOrServer.description && topologyOrServer.description instanceof topology_description_1.TopologyDescription) {
+        const servers = Array.from(topologyOrServer.description.servers.values());
+        return servers.some((server) => server.type === common_1.ServerType.Mongos);
+    }
+    return false;
+}
+exports.isSharded = isSharded;
+//# sourceMappingURL=shared.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/shared.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/shared.js.map
new file mode 100644
index 000000000..2d5b2275f
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cmap/wire_protocol/shared.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"shared.js","sourceRoot":"","sources":["../../../src/cmap/wire_protocol/shared.ts"],"names":[],"mappings":";;;AACA,uCAAwD;AAExD,2DAAuD;AACvD,8CAA+C;AAI/C,0EAAsE;AAQtE,SAAgB,iBAAiB,CAAC,GAAa,EAAE,OAA8B;IAC7E,mDAAmD;IACnD,IAAI,cAAc,GAAG,GAAG,CAAC,cAAc,IAAI,gCAAc,CAAC,OAAO,CAAC;IAClE,+DAA+D;IAC/D,IAAI,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,cAAc,EAAE;QAC3B,cAAc,GAAG,OAAO,CAAC,cAAc,CAAC;KACzC;IAED,IAAI,OAAO,cAAc,KAAK,QAAQ,EAAE;QACtC,cAAc,GAAG,gCAAc,CAAC,UAAU,CAAC,cAAc,CAAC,CAAC;KAC5D;IAED,IAAI,CAAC,CAAC,cAAc,YAAY,gCAAc,CAAC,EAAE;QAC/C,MAAM,IAAI,iCAAyB,CACjC,2DAA2D,CAC5D,CAAC;KACH;IAED,OAAO,cAAc,CAAC;AACxB,CAAC;AAnBD,8CAmBC;AAED,SAAgB,uBAAuB,CACrC,YAA4B,EAC5B,OAAuB;IAEvB,MAAM,CAAC,MAAM,CAAC,YAAY,EAAE;QAC1B,GAAG,EAAE,OAAO,OAAO,CAAC,GAAG,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,GAAG,CAAC,CAAC,CAAC,KAAK;QAC3D,YAAY,EAAE,OAAO,OAAO,CAAC,YAAY,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,YAAY,CAAC,CAAC,CAAC,IAAI;QACrF,aAAa,EAAE,OAAO,OAAO,CAAC,aAAa,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,aAAa,CAAC,CAAC,CAAC,IAAI;QACxF,cAAc,EAAE,OAAO,OAAO,CAAC,cAAc,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,cAAc,CAAC,CAAC,CAAC,KAAK;QAC5F,UAAU,EAAE,OAAO,OAAO,CAAC,UAAU,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,UAAU,CAAC,CAAC,CAAC,KAAK;QAChF,oBAAoB,EAClB,OAAO,OAAO,CAAC,oBAAoB,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,oBAAoB,CAAC,CAAC,CAAC,IAAI;KAC1F,CAAC,CAAC;IAEH,IAAI,OAAO,CAAC,OAAO,EAAE;QACnB,YAAY,CAAC,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;KACxC;IAED,OAAO,YAAY,CAAC;AACtB,CAAC;AAnBD,0DAmBC;AAED,SAAgB,SAAS,CAAC,gBAAiD;IACzE,IAAI,gBAAgB,IAAI,IAAI,EAAE;QAC5B,OAAO,KAAK,CAAC;KACd;IAED,IAAI,gBAAgB,CAAC,WAAW,IAAI,gBAAgB,CAAC,WAAW,CAAC,IAAI,KAAK,mBAAU,CAAC,MAAM,EAAE;QAC3F,OAAO,IAAI,CAAC;KACb;IAED,wFAAwF;IACxF,kDAAkD;IAClD,IAAI,gBAAgB,CAAC,WAAW,IAAI,gBAAgB,CAAC,WAAW,YAAY,0CAAmB,EAAE;QAC/F,MAAM,OAAO,GAAwB,KAAK,CAAC,IAAI,CAAC,gBAAgB,CAAC,WAAW,CAAC,OAAO,CAAC,MAAM,EAAE,CAAC,CAAC;QAC/F,OAAO,OAAO,CAAC,IAAI,CAAC,CAAC,MAAyB,EAAE,EAAE,CAAC,MAAM,CAAC,IAAI,KAAK,mBAAU,CAAC,MAAM,CAAC,CAAC;KACvF;IAED,OAAO,KAAK,CAAC;AACf,CAAC;AAjBD,8BAiBC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/collection.js b/node_modules/mongoose/node_modules/mongodb/lib/collection.js
new file mode 100644
index 000000000..e538b47d7
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/collection.js
@@ -0,0 +1,537 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Collection = void 0;
+const bson_1 = require("./bson");
+const ordered_1 = require("./bulk/ordered");
+const unordered_1 = require("./bulk/unordered");
+const change_stream_1 = require("./change_stream");
+const aggregation_cursor_1 = require("./cursor/aggregation_cursor");
+const find_cursor_1 = require("./cursor/find_cursor");
+const list_indexes_cursor_1 = require("./cursor/list_indexes_cursor");
+const error_1 = require("./error");
+const bulk_write_1 = require("./operations/bulk_write");
+const count_1 = require("./operations/count");
+const count_documents_1 = require("./operations/count_documents");
+const delete_1 = require("./operations/delete");
+const distinct_1 = require("./operations/distinct");
+const drop_1 = require("./operations/drop");
+const estimated_document_count_1 = require("./operations/estimated_document_count");
+const execute_operation_1 = require("./operations/execute_operation");
+const find_and_modify_1 = require("./operations/find_and_modify");
+const indexes_1 = require("./operations/indexes");
+const insert_1 = require("./operations/insert");
+const is_capped_1 = require("./operations/is_capped");
+const map_reduce_1 = require("./operations/map_reduce");
+const options_operation_1 = require("./operations/options_operation");
+const rename_1 = require("./operations/rename");
+const stats_1 = require("./operations/stats");
+const update_1 = require("./operations/update");
+const read_concern_1 = require("./read_concern");
+const read_preference_1 = require("./read_preference");
+const utils_1 = require("./utils");
+const write_concern_1 = require("./write_concern");
+/**
+ * The **Collection** class is an internal class that embodies a MongoDB collection
+ * allowing for insert/update/remove/find and other command operation on that MongoDB collection.
+ *
+ * **COLLECTION Cannot directly be instantiated**
+ * @public
+ *
+ * @example
+ * ```js
+ * const MongoClient = require('mongodb').MongoClient;
+ * const test = require('assert');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, client) {
+ *   // Create a collection we want to drop later
+ *   const col = client.db(dbName).collection('createIndexExample1');
+ *   // Show that duplicate records got dropped
+ *   col.find({}).toArray(function(err, items) {
+ *     expect(err).to.not.exist;
+ *     test.equal(4, items.length);
+ *     client.close();
+ *   });
+ * });
+ * ```
+ */
+class Collection {
+    /**
+     * Create a new Collection instance
+     * @internal
+     */
+    constructor(db, name, options) {
+        var _a, _b;
+        (0, utils_1.checkCollectionName)(name);
+        // Internal state
+        this.s = {
+            db,
+            options,
+            namespace: new utils_1.MongoDBNamespace(db.databaseName, name),
+            pkFactory: (_b = (_a = db.options) === null || _a === void 0 ? void 0 : _a.pkFactory) !== null && _b !== void 0 ? _b : utils_1.DEFAULT_PK_FACTORY,
+            readPreference: read_preference_1.ReadPreference.fromOptions(options),
+            bsonOptions: (0, bson_1.resolveBSONOptions)(options, db),
+            readConcern: read_concern_1.ReadConcern.fromOptions(options),
+            writeConcern: write_concern_1.WriteConcern.fromOptions(options)
+        };
+    }
+    /**
+     * The name of the database this collection belongs to
+     */
+    get dbName() {
+        return this.s.namespace.db;
+    }
+    /**
+     * The name of this collection
+     */
+    get collectionName() {
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        return this.s.namespace.collection;
+    }
+    /**
+     * The namespace of this collection, in the format `${this.dbName}.${this.collectionName}`
+     */
+    get namespace() {
+        return this.s.namespace.toString();
+    }
+    /**
+     * The current readConcern of the collection. If not explicitly defined for
+     * this collection, will be inherited from the parent DB
+     */
+    get readConcern() {
+        if (this.s.readConcern == null) {
+            return this.s.db.readConcern;
+        }
+        return this.s.readConcern;
+    }
+    /**
+     * The current readPreference of the collection. If not explicitly defined for
+     * this collection, will be inherited from the parent DB
+     */
+    get readPreference() {
+        if (this.s.readPreference == null) {
+            return this.s.db.readPreference;
+        }
+        return this.s.readPreference;
+    }
+    get bsonOptions() {
+        return this.s.bsonOptions;
+    }
+    /**
+     * The current writeConcern of the collection. If not explicitly defined for
+     * this collection, will be inherited from the parent DB
+     */
+    get writeConcern() {
+        if (this.s.writeConcern == null) {
+            return this.s.db.writeConcern;
+        }
+        return this.s.writeConcern;
+    }
+    /** The current index hint for the collection */
+    get hint() {
+        return this.s.collectionHint;
+    }
+    set hint(v) {
+        this.s.collectionHint = (0, utils_1.normalizeHintField)(v);
+    }
+    insertOne(doc, options, callback) {
+        if (typeof options === 'function') {
+            callback = options;
+            options = {};
+        }
+        // CSFLE passes in { w: 'majority' } to ensure the lib works in both 3.x and 4.x
+        // we support that option style here only
+        if (options && Reflect.get(options, 'w')) {
+            options.writeConcern = write_concern_1.WriteConcern.fromOptions(Reflect.get(options, 'w'));
+        }
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new insert_1.InsertOneOperation(this, doc, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    insertMany(docs, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options ? Object.assign({}, options) : { ordered: true };
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new insert_1.InsertManyOperation(this, docs, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    bulkWrite(operations, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options || { ordered: true };
+        if (!Array.isArray(operations)) {
+            throw new error_1.MongoInvalidArgumentError('Argument "operations" must be an array of documents');
+        }
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new bulk_write_1.BulkWriteOperation(this, operations, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    updateOne(filter, update, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new update_1.UpdateOneOperation(this, filter, update, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    replaceOne(filter, replacement, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new update_1.ReplaceOneOperation(this, filter, replacement, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    updateMany(filter, update, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new update_1.UpdateManyOperation(this, filter, update, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    deleteOne(filter, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new delete_1.DeleteOneOperation(this, filter, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    deleteMany(filter, options, callback) {
+        if (filter == null) {
+            filter = {};
+            options = {};
+            callback = undefined;
+        }
+        else if (typeof filter === 'function') {
+            callback = filter;
+            filter = {};
+            options = {};
+        }
+        else if (typeof options === 'function') {
+            callback = options;
+            options = {};
+        }
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new delete_1.DeleteManyOperation(this, filter, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    rename(newName, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        // Intentionally, we do not inherit options from parent for this operation.
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new rename_1.RenameOperation(this, newName, {
+            ...options,
+            readPreference: read_preference_1.ReadPreference.PRIMARY
+        }), callback);
+    }
+    drop(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new drop_1.DropCollectionOperation(this.s.db, this.collectionName, options), callback);
+    }
+    findOne(filter, options, callback) {
+        if (callback != null && typeof callback !== 'function') {
+            throw new error_1.MongoInvalidArgumentError('Third parameter to `findOne()` must be a callback or undefined');
+        }
+        if (typeof filter === 'function') {
+            callback = filter;
+            filter = {};
+            options = {};
+        }
+        if (typeof options === 'function') {
+            callback = options;
+            options = {};
+        }
+        const finalFilter = filter !== null && filter !== void 0 ? filter : {};
+        const finalOptions = options !== null && options !== void 0 ? options : {};
+        return this.find(finalFilter, finalOptions).limit(-1).batchSize(1).next(callback);
+    }
+    find(filter, options) {
+        if (arguments.length > 2) {
+            throw new error_1.MongoInvalidArgumentError('Method "collection.find()" accepts at most two arguments');
+        }
+        if (typeof options === 'function') {
+            throw new error_1.MongoInvalidArgumentError('Argument "options" must not be function');
+        }
+        return new find_cursor_1.FindCursor(this.s.db.s.client, this.s.namespace, filter, (0, utils_1.resolveOptions)(this, options));
+    }
+    options(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new options_operation_1.OptionsOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    isCapped(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new is_capped_1.IsCappedOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    createIndex(indexSpec, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.CreateIndexOperation(this, this.collectionName, indexSpec, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    createIndexes(indexSpecs, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options ? Object.assign({}, options) : {};
+        if (typeof options.maxTimeMS !== 'number')
+            delete options.maxTimeMS;
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.CreateIndexesOperation(this, this.collectionName, indexSpecs, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    dropIndex(indexName, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = (0, utils_1.resolveOptions)(this, options);
+        // Run only against primary
+        options.readPreference = read_preference_1.ReadPreference.primary;
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.DropIndexOperation(this, indexName, options), callback);
+    }
+    dropIndexes(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.DropIndexesOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    /**
+     * Get the list of all indexes information for the collection.
+     *
+     * @param options - Optional settings for the command
+     */
+    listIndexes(options) {
+        return new list_indexes_cursor_1.ListIndexesCursor(this, (0, utils_1.resolveOptions)(this, options));
+    }
+    indexExists(indexes, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.IndexExistsOperation(this, indexes, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    indexInformation(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.IndexInformationOperation(this.s.db, this.collectionName, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    estimatedDocumentCount(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new estimated_document_count_1.EstimatedDocumentCountOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    countDocuments(filter, options, callback) {
+        if (filter == null) {
+            (filter = {}), (options = {}), (callback = undefined);
+        }
+        else if (typeof filter === 'function') {
+            (callback = filter), (filter = {}), (options = {});
+        }
+        else {
+            if (arguments.length === 2) {
+                if (typeof options === 'function')
+                    (callback = options), (options = {});
+            }
+        }
+        filter !== null && filter !== void 0 ? filter : (filter = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new count_documents_1.CountDocumentsOperation(this, filter, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    // Implementation
+    distinct(key, filter, options, callback) {
+        if (typeof filter === 'function') {
+            (callback = filter), (filter = {}), (options = {});
+        }
+        else {
+            if (arguments.length === 3 && typeof options === 'function') {
+                (callback = options), (options = {});
+            }
+        }
+        filter !== null && filter !== void 0 ? filter : (filter = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new distinct_1.DistinctOperation(this, key, filter, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    indexes(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new indexes_1.IndexesOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    stats(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new stats_1.CollStatsOperation(this, options), callback);
+    }
+    findOneAndDelete(filter, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new find_and_modify_1.FindOneAndDeleteOperation(this, filter, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    findOneAndReplace(filter, replacement, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new find_and_modify_1.FindOneAndReplaceOperation(this, filter, replacement, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    findOneAndUpdate(filter, update, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new find_and_modify_1.FindOneAndUpdateOperation(this, filter, update, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    /**
+     * Execute an aggregation framework pipeline against the collection, needs MongoDB \>= 2.2
+     *
+     * @param pipeline - An array of aggregation pipelines to execute
+     * @param options - Optional settings for the command
+     */
+    aggregate(pipeline = [], options) {
+        if (arguments.length > 2) {
+            throw new error_1.MongoInvalidArgumentError('Method "collection.aggregate()" accepts at most two arguments');
+        }
+        if (!Array.isArray(pipeline)) {
+            throw new error_1.MongoInvalidArgumentError('Argument "pipeline" must be an array of aggregation stages');
+        }
+        if (typeof options === 'function') {
+            throw new error_1.MongoInvalidArgumentError('Argument "options" must not be function');
+        }
+        return new aggregation_cursor_1.AggregationCursor(this.s.db.s.client, this.s.namespace, pipeline, (0, utils_1.resolveOptions)(this, options));
+    }
+    /**
+     * Create a new Change Stream, watching for new changes (insertions, updates, replacements, deletions, and invalidations) in this collection.
+     *
+     * @remarks
+     * watch() accepts two generic arguments for distinct usecases:
+     * - The first is to override the schema that may be defined for this specific collection
+     * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+     * @example
+     * By just providing the first argument I can type the change to be `ChangeStreamDocument<{ _id: number }>`
+     * ```ts
+     * collection.watch<{ _id: number }>()
+     *   .on('change', change => console.log(change._id.toFixed(4)));
+     * ```
+     *
+     * @example
+     * Passing a second argument provides a way to reflect the type changes caused by an advanced pipeline.
+     * Here, we are using a pipeline to have MongoDB filter for insert changes only and add a comment.
+     * No need start from scratch on the ChangeStreamInsertDocument type!
+     * By using an intersection we can save time and ensure defaults remain the same type!
+     * ```ts
+     * collection
+     *   .watch<Schema, ChangeStreamInsertDocument<Schema> & { comment: string }>([
+     *     { $addFields: { comment: 'big changes' } },
+     *     { $match: { operationType: 'insert' } }
+     *   ])
+     *   .on('change', change => {
+     *     change.comment.startsWith('big');
+     *     change.operationType === 'insert';
+     *     // No need to narrow in code because the generics did that for us!
+     *     expectType<Schema>(change.fullDocument);
+     *   });
+     * ```
+     *
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+     * @param options - Optional settings for the command
+     * @typeParam TLocal - Type of the data being detected by the change stream
+     * @typeParam TChange - Type of the whole change stream document emitted
+     */
+    watch(pipeline = [], options = {}) {
+        // Allow optionally not specifying a pipeline
+        if (!Array.isArray(pipeline)) {
+            options = pipeline;
+            pipeline = [];
+        }
+        return new change_stream_1.ChangeStream(this, pipeline, (0, utils_1.resolveOptions)(this, options));
+    }
+    mapReduce(map, reduce, options, callback) {
+        (0, utils_1.emitWarningOnce)('collection.mapReduce is deprecated. Use the aggregation pipeline instead. Visit https://docs.mongodb.com/manual/reference/map-reduce-to-aggregation-pipeline for more information on how to translate map-reduce operations to the aggregation pipeline.');
+        if ('function' === typeof options)
+            (callback = options), (options = {});
+        // Out must always be defined (make sure we don't break weirdly on pre 1.8+ servers)
+        // TODO NODE-3339: Figure out if this is still necessary given we no longer officially support pre-1.8
+        if ((options === null || options === void 0 ? void 0 : options.out) == null) {
+            throw new error_1.MongoInvalidArgumentError('Option "out" must be defined, see mongodb docs for possible values');
+        }
+        if ('function' === typeof map) {
+            map = map.toString();
+        }
+        if ('function' === typeof reduce) {
+            reduce = reduce.toString();
+        }
+        if ('function' === typeof options.finalize) {
+            options.finalize = options.finalize.toString();
+        }
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new map_reduce_1.MapReduceOperation(this, map, reduce, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    /**
+     * Initiate an Out of order batch write operation. All operations will be buffered into insert/update/remove commands executed out of order.
+     *
+     * @throws MongoNotConnectedError
+     * @remarks
+     * **NOTE:** MongoClient must be connected prior to calling this method due to a known limitation in this legacy implemenation.
+     * However, `collection.bulkWrite()` provides an equivalent API that does not require prior connecting.
+     */
+    initializeUnorderedBulkOp(options) {
+        return new unordered_1.UnorderedBulkOperation(this, (0, utils_1.resolveOptions)(this, options));
+    }
+    /**
+     * Initiate an In order bulk write operation. Operations will be serially executed in the order they are added, creating a new operation for each switch in types.
+     *
+     * @throws MongoNotConnectedError
+     * @remarks
+     * **NOTE:** MongoClient must be connected prior to calling this method due to a known limitation in this legacy implemenation.
+     * However, `collection.bulkWrite()` provides an equivalent API that does not require prior connecting.
+     */
+    initializeOrderedBulkOp(options) {
+        return new ordered_1.OrderedBulkOperation(this, (0, utils_1.resolveOptions)(this, options));
+    }
+    /** Get the db scoped logger */
+    getLogger() {
+        return this.s.db.s.logger;
+    }
+    get logger() {
+        return this.s.db.s.logger;
+    }
+    /**
+     * Inserts a single document or a an array of documents into MongoDB. If documents passed in do not contain the **_id** field,
+     * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+     * can be overridden by setting the **forceServerObjectId** flag.
+     *
+     * @deprecated Use insertOne, insertMany or bulkWrite instead.
+     * @param docs - The documents to insert
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    insert(docs, options, callback) {
+        (0, utils_1.emitWarningOnce)('collection.insert is deprecated. Use insertOne, insertMany or bulkWrite instead.');
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options || { ordered: false };
+        docs = !Array.isArray(docs) ? [docs] : docs;
+        if (options.keepGoing === true) {
+            options.ordered = false;
+        }
+        return this.insertMany(docs, options, callback);
+    }
+    /**
+     * Updates documents.
+     *
+     * @deprecated use updateOne, updateMany or bulkWrite
+     * @param filter - The filter for the update operation.
+     * @param update - The update operations to be applied to the documents
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    update(filter, update, options, callback) {
+        (0, utils_1.emitWarningOnce)('collection.update is deprecated. Use updateOne, updateMany, or bulkWrite instead.');
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.updateMany(filter, update, options, callback);
+    }
+    /**
+     * Remove documents.
+     *
+     * @deprecated use deleteOne, deleteMany or bulkWrite
+     * @param filter - The filter for the remove operation.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    remove(filter, options, callback) {
+        (0, utils_1.emitWarningOnce)('collection.remove is deprecated. Use deleteOne, deleteMany, or bulkWrite instead.');
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.deleteMany(filter, options, callback);
+    }
+    count(filter, options, callback) {
+        if (typeof filter === 'function') {
+            (callback = filter), (filter = {}), (options = {});
+        }
+        else {
+            if (typeof options === 'function')
+                (callback = options), (options = {});
+        }
+        filter !== null && filter !== void 0 ? filter : (filter = {});
+        return (0, execute_operation_1.executeOperation)(this.s.db.s.client, new count_1.CountOperation(utils_1.MongoDBNamespace.fromString(this.namespace), filter, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+}
+exports.Collection = Collection;
+//# sourceMappingURL=collection.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/collection.js.map b/node_modules/mongoose/node_modules/mongodb/lib/collection.js.map
new file mode 100644
index 000000000..5939ad5b8
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/collection.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/connection_string.js b/node_modules/mongoose/node_modules/mongodb/lib/connection_string.js
new file mode 100644
index 000000000..f48447fef
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/connection_string.js
@@ -0,0 +1,1094 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.FEATURE_FLAGS = exports.DEFAULT_OPTIONS = exports.OPTIONS = exports.parseOptions = exports.checkTLSOptions = exports.resolveSRVRecord = void 0;
+const dns = require("dns");
+const fs = require("fs");
+const mongodb_connection_string_url_1 = require("mongodb-connection-string-url");
+const url_1 = require("url");
+const mongo_credentials_1 = require("./cmap/auth/mongo_credentials");
+const providers_1 = require("./cmap/auth/providers");
+const compression_1 = require("./cmap/wire_protocol/compression");
+const encrypter_1 = require("./encrypter");
+const error_1 = require("./error");
+const logger_1 = require("./logger");
+const mongo_client_1 = require("./mongo_client");
+const promise_provider_1 = require("./promise_provider");
+const read_concern_1 = require("./read_concern");
+const read_preference_1 = require("./read_preference");
+const utils_1 = require("./utils");
+const write_concern_1 = require("./write_concern");
+const VALID_TXT_RECORDS = ['authSource', 'replicaSet', 'loadBalanced'];
+const LB_SINGLE_HOST_ERROR = 'loadBalanced option only supported with a single host in the URI';
+const LB_REPLICA_SET_ERROR = 'loadBalanced option not supported with a replicaSet option';
+const LB_DIRECT_CONNECTION_ERROR = 'loadBalanced option not supported when directConnection is provided';
+/**
+ * Determines whether a provided address matches the provided parent domain in order
+ * to avoid certain attack vectors.
+ *
+ * @param srvAddress - The address to check against a domain
+ * @param parentDomain - The domain to check the provided address against
+ * @returns Whether the provided address matches the parent domain
+ */
+function matchesParentDomain(srvAddress, parentDomain) {
+    const regex = /^.*?\./;
+    const srv = `.${srvAddress.replace(regex, '')}`;
+    const parent = `.${parentDomain.replace(regex, '')}`;
+    return srv.endsWith(parent);
+}
+/**
+ * Lookup a `mongodb+srv` connection string, combine the parts and reparse it as a normal
+ * connection string.
+ *
+ * @param uri - The connection string to parse
+ * @param options - Optional user provided connection string options
+ */
+function resolveSRVRecord(options, callback) {
+    if (typeof options.srvHost !== 'string') {
+        return callback(new error_1.MongoAPIError('Option "srvHost" must not be empty'));
+    }
+    if (options.srvHost.split('.').length < 3) {
+        // TODO(NODE-3484): Replace with MongoConnectionStringError
+        return callback(new error_1.MongoAPIError('URI must include hostname, domain name, and tld'));
+    }
+    // Resolve the SRV record and use the result as the list of hosts to connect to.
+    const lookupAddress = options.srvHost;
+    dns.resolveSrv(`_${options.srvServiceName}._tcp.${lookupAddress}`, (err, addresses) => {
+        if (err)
+            return callback(err);
+        if (addresses.length === 0) {
+            return callback(new error_1.MongoAPIError('No addresses found at host'));
+        }
+        for (const { name } of addresses) {
+            if (!matchesParentDomain(name, lookupAddress)) {
+                return callback(new error_1.MongoAPIError('Server record does not share hostname with parent URI'));
+            }
+        }
+        const hostAddresses = addresses.map(r => { var _a; return utils_1.HostAddress.fromString(`${r.name}:${(_a = r.port) !== null && _a !== void 0 ? _a : 27017}`); });
+        const lbError = validateLoadBalancedOptions(hostAddresses, options, true);
+        if (lbError) {
+            return callback(lbError);
+        }
+        // Resolve TXT record and add options from there if they exist.
+        dns.resolveTxt(lookupAddress, (err, record) => {
+            var _a, _b, _c;
+            if (err) {
+                if (err.code !== 'ENODATA' && err.code !== 'ENOTFOUND') {
+                    return callback(err);
+                }
+            }
+            else {
+                if (record.length > 1) {
+                    return callback(new error_1.MongoParseError('Multiple text records not allowed'));
+                }
+                const txtRecordOptions = new url_1.URLSearchParams(record[0].join(''));
+                const txtRecordOptionKeys = [...txtRecordOptions.keys()];
+                if (txtRecordOptionKeys.some(key => !VALID_TXT_RECORDS.includes(key))) {
+                    return callback(new error_1.MongoParseError(`Text record may only set any of: ${VALID_TXT_RECORDS.join(', ')}`));
+                }
+                if (VALID_TXT_RECORDS.some(option => txtRecordOptions.get(option) === '')) {
+                    return callback(new error_1.MongoParseError('Cannot have empty URI params in DNS TXT Record'));
+                }
+                const source = (_a = txtRecordOptions.get('authSource')) !== null && _a !== void 0 ? _a : undefined;
+                const replicaSet = (_b = txtRecordOptions.get('replicaSet')) !== null && _b !== void 0 ? _b : undefined;
+                const loadBalanced = (_c = txtRecordOptions.get('loadBalanced')) !== null && _c !== void 0 ? _c : undefined;
+                if (!options.userSpecifiedAuthSource &&
+                    source &&
+                    options.credentials &&
+                    !providers_1.AUTH_MECHS_AUTH_SRC_EXTERNAL.has(options.credentials.mechanism)) {
+                    options.credentials = mongo_credentials_1.MongoCredentials.merge(options.credentials, { source });
+                }
+                if (!options.userSpecifiedReplicaSet && replicaSet) {
+                    options.replicaSet = replicaSet;
+                }
+                if (loadBalanced === 'true') {
+                    options.loadBalanced = true;
+                }
+                if (options.replicaSet && options.srvMaxHosts > 0) {
+                    return callback(new error_1.MongoParseError('Cannot combine replicaSet option with srvMaxHosts'));
+                }
+                const lbError = validateLoadBalancedOptions(hostAddresses, options, true);
+                if (lbError) {
+                    return callback(lbError);
+                }
+            }
+            callback(undefined, hostAddresses);
+        });
+    });
+}
+exports.resolveSRVRecord = resolveSRVRecord;
+/**
+ * Checks if TLS options are valid
+ *
+ * @param options - The options used for options parsing
+ * @throws MongoParseError if TLS options are invalid
+ */
+function checkTLSOptions(options) {
+    if (!options)
+        return;
+    const check = (a, b) => {
+        if (Reflect.has(options, a) && Reflect.has(options, b)) {
+            throw new error_1.MongoParseError(`The '${a}' option cannot be used with '${b}'`);
+        }
+    };
+    check('tlsInsecure', 'tlsAllowInvalidCertificates');
+    check('tlsInsecure', 'tlsAllowInvalidHostnames');
+    check('tlsInsecure', 'tlsDisableCertificateRevocationCheck');
+    check('tlsInsecure', 'tlsDisableOCSPEndpointCheck');
+    check('tlsAllowInvalidCertificates', 'tlsDisableCertificateRevocationCheck');
+    check('tlsAllowInvalidCertificates', 'tlsDisableOCSPEndpointCheck');
+    check('tlsDisableCertificateRevocationCheck', 'tlsDisableOCSPEndpointCheck');
+}
+exports.checkTLSOptions = checkTLSOptions;
+const TRUTHS = new Set(['true', 't', '1', 'y', 'yes']);
+const FALSEHOODS = new Set(['false', 'f', '0', 'n', 'no', '-1']);
+function getBoolean(name, value) {
+    if (typeof value === 'boolean')
+        return value;
+    const valueString = String(value).toLowerCase();
+    if (TRUTHS.has(valueString)) {
+        if (valueString !== 'true') {
+            (0, utils_1.emitWarningOnce)(`deprecated value for ${name} : ${valueString} - please update to ${name} : true instead`);
+        }
+        return true;
+    }
+    if (FALSEHOODS.has(valueString)) {
+        if (valueString !== 'false') {
+            (0, utils_1.emitWarningOnce)(`deprecated value for ${name} : ${valueString} - please update to ${name} : false instead`);
+        }
+        return false;
+    }
+    throw new error_1.MongoParseError(`Expected ${name} to be stringified boolean value, got: ${value}`);
+}
+function getInt(name, value) {
+    if (typeof value === 'number')
+        return Math.trunc(value);
+    const parsedValue = Number.parseInt(String(value), 10);
+    if (!Number.isNaN(parsedValue))
+        return parsedValue;
+    throw new error_1.MongoParseError(`Expected ${name} to be stringified int value, got: ${value}`);
+}
+function getUint(name, value) {
+    const parsedValue = getInt(name, value);
+    if (parsedValue < 0) {
+        throw new error_1.MongoParseError(`${name} can only be a positive int value, got: ${value}`);
+    }
+    return parsedValue;
+}
+function* entriesFromString(value) {
+    const keyValuePairs = value.split(',');
+    for (const keyValue of keyValuePairs) {
+        const [key, value] = keyValue.split(':');
+        if (value == null) {
+            throw new error_1.MongoParseError('Cannot have undefined values in key value pairs');
+        }
+        yield [key, value];
+    }
+}
+class CaseInsensitiveMap extends Map {
+    constructor(entries = []) {
+        super(entries.map(([k, v]) => [k.toLowerCase(), v]));
+    }
+    has(k) {
+        return super.has(k.toLowerCase());
+    }
+    get(k) {
+        return super.get(k.toLowerCase());
+    }
+    set(k, v) {
+        return super.set(k.toLowerCase(), v);
+    }
+    delete(k) {
+        return super.delete(k.toLowerCase());
+    }
+}
+function parseOptions(uri, mongoClient = undefined, options = {}) {
+    if (mongoClient != null && !(mongoClient instanceof mongo_client_1.MongoClient)) {
+        options = mongoClient;
+        mongoClient = undefined;
+    }
+    const url = new mongodb_connection_string_url_1.default(uri);
+    const { hosts, isSRV } = url;
+    const mongoOptions = Object.create(null);
+    // Feature flags
+    for (const flag of Object.getOwnPropertySymbols(options)) {
+        if (exports.FEATURE_FLAGS.has(flag)) {
+            mongoOptions[flag] = options[flag];
+        }
+    }
+    mongoOptions.hosts = isSRV ? [] : hosts.map(utils_1.HostAddress.fromString);
+    const urlOptions = new CaseInsensitiveMap();
+    if (url.pathname !== '/' && url.pathname !== '') {
+        const dbName = decodeURIComponent(url.pathname[0] === '/' ? url.pathname.slice(1) : url.pathname);
+        if (dbName) {
+            urlOptions.set('dbName', [dbName]);
+        }
+    }
+    if (url.username !== '') {
+        const auth = {
+            username: decodeURIComponent(url.username)
+        };
+        if (typeof url.password === 'string') {
+            auth.password = decodeURIComponent(url.password);
+        }
+        urlOptions.set('auth', [auth]);
+    }
+    for (const key of url.searchParams.keys()) {
+        const values = [...url.searchParams.getAll(key)];
+        if (values.includes('')) {
+            throw new error_1.MongoAPIError('URI cannot contain options with no value');
+        }
+        if (!urlOptions.has(key)) {
+            urlOptions.set(key, values);
+        }
+    }
+    const objectOptions = new CaseInsensitiveMap(Object.entries(options).filter(([, v]) => v != null));
+    // Validate options that can only be provided by one of uri or object
+    if (urlOptions.has('serverApi')) {
+        throw new error_1.MongoParseError('URI cannot contain `serverApi`, it can only be passed to the client');
+    }
+    if (objectOptions.has('loadBalanced')) {
+        throw new error_1.MongoParseError('loadBalanced is only a valid option in the URI');
+    }
+    // All option collection
+    const allOptions = new CaseInsensitiveMap();
+    const allKeys = new Set([
+        ...urlOptions.keys(),
+        ...objectOptions.keys(),
+        ...exports.DEFAULT_OPTIONS.keys()
+    ]);
+    for (const key of allKeys) {
+        const values = [];
+        const objectOptionValue = objectOptions.get(key);
+        if (objectOptionValue != null) {
+            values.push(objectOptionValue);
+        }
+        const urlValue = urlOptions.get(key);
+        if (urlValue != null) {
+            values.push(...urlValue);
+        }
+        const defaultOptionsValue = exports.DEFAULT_OPTIONS.get(key);
+        if (defaultOptionsValue != null) {
+            values.push(defaultOptionsValue);
+        }
+        allOptions.set(key, values);
+    }
+    if (allOptions.has('tlsCertificateKeyFile') && !allOptions.has('tlsCertificateFile')) {
+        allOptions.set('tlsCertificateFile', allOptions.get('tlsCertificateKeyFile'));
+    }
+    if (allOptions.has('tls') || allOptions.has('ssl')) {
+        const tlsAndSslOpts = (allOptions.get('tls') || [])
+            .concat(allOptions.get('ssl') || [])
+            .map(getBoolean.bind(null, 'tls/ssl'));
+        if (new Set(tlsAndSslOpts).size !== 1) {
+            throw new error_1.MongoParseError('All values of tls/ssl must be the same.');
+        }
+    }
+    const unsupportedOptions = (0, utils_1.setDifference)(allKeys, Array.from(Object.keys(exports.OPTIONS)).map(s => s.toLowerCase()));
+    if (unsupportedOptions.size !== 0) {
+        const optionWord = unsupportedOptions.size > 1 ? 'options' : 'option';
+        const isOrAre = unsupportedOptions.size > 1 ? 'are' : 'is';
+        throw new error_1.MongoParseError(`${optionWord} ${Array.from(unsupportedOptions).join(', ')} ${isOrAre} not supported`);
+    }
+    // Option parsing and setting
+    for (const [key, descriptor] of Object.entries(exports.OPTIONS)) {
+        const values = allOptions.get(key);
+        if (!values || values.length === 0)
+            continue;
+        setOption(mongoOptions, key, descriptor, values);
+    }
+    if (mongoOptions.credentials) {
+        const isGssapi = mongoOptions.credentials.mechanism === providers_1.AuthMechanism.MONGODB_GSSAPI;
+        const isX509 = mongoOptions.credentials.mechanism === providers_1.AuthMechanism.MONGODB_X509;
+        const isAws = mongoOptions.credentials.mechanism === providers_1.AuthMechanism.MONGODB_AWS;
+        if ((isGssapi || isX509) &&
+            allOptions.has('authSource') &&
+            mongoOptions.credentials.source !== '$external') {
+            // If authSource was explicitly given and its incorrect, we error
+            throw new error_1.MongoParseError(`${mongoOptions.credentials} can only have authSource set to '$external'`);
+        }
+        if (!(isGssapi || isX509 || isAws) && mongoOptions.dbName && !allOptions.has('authSource')) {
+            // inherit the dbName unless GSSAPI or X509, then silently ignore dbName
+            // and there was no specific authSource given
+            mongoOptions.credentials = mongo_credentials_1.MongoCredentials.merge(mongoOptions.credentials, {
+                source: mongoOptions.dbName
+            });
+        }
+        mongoOptions.credentials.validate();
+        // Check if the only auth related option provided was authSource, if so we can remove credentials
+        if (mongoOptions.credentials.password === '' &&
+            mongoOptions.credentials.username === '' &&
+            mongoOptions.credentials.mechanism === providers_1.AuthMechanism.MONGODB_DEFAULT &&
+            Object.keys(mongoOptions.credentials.mechanismProperties).length === 0) {
+            delete mongoOptions.credentials;
+        }
+    }
+    if (!mongoOptions.dbName) {
+        // dbName default is applied here because of the credential validation above
+        mongoOptions.dbName = 'test';
+    }
+    checkTLSOptions(mongoOptions);
+    if (options.promiseLibrary)
+        promise_provider_1.PromiseProvider.set(options.promiseLibrary);
+    const lbError = validateLoadBalancedOptions(hosts, mongoOptions, isSRV);
+    if (lbError) {
+        throw lbError;
+    }
+    if (mongoClient && mongoOptions.autoEncryption) {
+        encrypter_1.Encrypter.checkForMongoCrypt();
+        mongoOptions.encrypter = new encrypter_1.Encrypter(mongoClient, uri, options);
+        mongoOptions.autoEncrypter = mongoOptions.encrypter.autoEncrypter;
+    }
+    // Potential SRV Overrides and SRV connection string validations
+    mongoOptions.userSpecifiedAuthSource =
+        objectOptions.has('authSource') || urlOptions.has('authSource');
+    mongoOptions.userSpecifiedReplicaSet =
+        objectOptions.has('replicaSet') || urlOptions.has('replicaSet');
+    if (isSRV) {
+        // SRV Record is resolved upon connecting
+        mongoOptions.srvHost = hosts[0];
+        if (mongoOptions.directConnection) {
+            throw new error_1.MongoAPIError('SRV URI does not support directConnection');
+        }
+        if (mongoOptions.srvMaxHosts > 0 && typeof mongoOptions.replicaSet === 'string') {
+            throw new error_1.MongoParseError('Cannot use srvMaxHosts option with replicaSet');
+        }
+        // SRV turns on TLS by default, but users can override and turn it off
+        const noUserSpecifiedTLS = !objectOptions.has('tls') && !urlOptions.has('tls');
+        const noUserSpecifiedSSL = !objectOptions.has('ssl') && !urlOptions.has('ssl');
+        if (noUserSpecifiedTLS && noUserSpecifiedSSL) {
+            mongoOptions.tls = true;
+        }
+    }
+    else {
+        const userSpecifiedSrvOptions = urlOptions.has('srvMaxHosts') ||
+            objectOptions.has('srvMaxHosts') ||
+            urlOptions.has('srvServiceName') ||
+            objectOptions.has('srvServiceName');
+        if (userSpecifiedSrvOptions) {
+            throw new error_1.MongoParseError('Cannot use srvMaxHosts or srvServiceName with a non-srv connection string');
+        }
+    }
+    if (mongoOptions.directConnection && mongoOptions.hosts.length !== 1) {
+        throw new error_1.MongoParseError('directConnection option requires exactly one host');
+    }
+    if (!mongoOptions.proxyHost &&
+        (mongoOptions.proxyPort || mongoOptions.proxyUsername || mongoOptions.proxyPassword)) {
+        throw new error_1.MongoParseError('Must specify proxyHost if other proxy options are passed');
+    }
+    if ((mongoOptions.proxyUsername && !mongoOptions.proxyPassword) ||
+        (!mongoOptions.proxyUsername && mongoOptions.proxyPassword)) {
+        throw new error_1.MongoParseError('Can only specify both of proxy username/password or neither');
+    }
+    const proxyOptions = ['proxyHost', 'proxyPort', 'proxyUsername', 'proxyPassword'].map(key => { var _a; return (_a = urlOptions.get(key)) !== null && _a !== void 0 ? _a : []; });
+    if (proxyOptions.some(options => options.length > 1)) {
+        throw new error_1.MongoParseError('Proxy options cannot be specified multiple times in the connection string');
+    }
+    return mongoOptions;
+}
+exports.parseOptions = parseOptions;
+function validateLoadBalancedOptions(hosts, mongoOptions, isSrv) {
+    if (mongoOptions.loadBalanced) {
+        if (hosts.length > 1) {
+            return new error_1.MongoParseError(LB_SINGLE_HOST_ERROR);
+        }
+        if (mongoOptions.replicaSet) {
+            return new error_1.MongoParseError(LB_REPLICA_SET_ERROR);
+        }
+        if (mongoOptions.directConnection) {
+            return new error_1.MongoParseError(LB_DIRECT_CONNECTION_ERROR);
+        }
+        if (isSrv && mongoOptions.srvMaxHosts > 0) {
+            return new error_1.MongoParseError('Cannot limit srv hosts with loadBalanced enabled');
+        }
+    }
+    return;
+}
+function setOption(mongoOptions, key, descriptor, values) {
+    const { target, type, transform, deprecated } = descriptor;
+    const name = target !== null && target !== void 0 ? target : key;
+    if (deprecated) {
+        const deprecatedMsg = typeof deprecated === 'string' ? `: ${deprecated}` : '';
+        (0, utils_1.emitWarning)(`${key} is a deprecated option${deprecatedMsg}`);
+    }
+    switch (type) {
+        case 'boolean':
+            mongoOptions[name] = getBoolean(name, values[0]);
+            break;
+        case 'int':
+            mongoOptions[name] = getInt(name, values[0]);
+            break;
+        case 'uint':
+            mongoOptions[name] = getUint(name, values[0]);
+            break;
+        case 'string':
+            if (values[0] == null) {
+                break;
+            }
+            mongoOptions[name] = String(values[0]);
+            break;
+        case 'record':
+            if (!(0, utils_1.isRecord)(values[0])) {
+                throw new error_1.MongoParseError(`${name} must be an object`);
+            }
+            mongoOptions[name] = values[0];
+            break;
+        case 'any':
+            mongoOptions[name] = values[0];
+            break;
+        default: {
+            if (!transform) {
+                throw new error_1.MongoParseError('Descriptors missing a type must define a transform');
+            }
+            const transformValue = transform({ name, options: mongoOptions, values });
+            mongoOptions[name] = transformValue;
+            break;
+        }
+    }
+}
+exports.OPTIONS = {
+    appName: {
+        target: 'metadata',
+        transform({ options, values: [value] }) {
+            return (0, utils_1.makeClientMetadata)({ ...options.driverInfo, appName: String(value) });
+        }
+    },
+    auth: {
+        target: 'credentials',
+        transform({ name, options, values: [value] }) {
+            if (!(0, utils_1.isRecord)(value, ['username', 'password'])) {
+                throw new error_1.MongoParseError(`${name} must be an object with 'username' and 'password' properties`);
+            }
+            return mongo_credentials_1.MongoCredentials.merge(options.credentials, {
+                username: value.username,
+                password: value.password
+            });
+        }
+    },
+    authMechanism: {
+        target: 'credentials',
+        transform({ options, values: [value] }) {
+            var _a, _b;
+            const mechanisms = Object.values(providers_1.AuthMechanism);
+            const [mechanism] = mechanisms.filter(m => m.match(RegExp(String.raw `\b${value}\b`, 'i')));
+            if (!mechanism) {
+                throw new error_1.MongoParseError(`authMechanism one of ${mechanisms}, got ${value}`);
+            }
+            let source = (_a = options.credentials) === null || _a === void 0 ? void 0 : _a.source;
+            if (mechanism === providers_1.AuthMechanism.MONGODB_PLAIN ||
+                providers_1.AUTH_MECHS_AUTH_SRC_EXTERNAL.has(mechanism)) {
+                // some mechanisms have '$external' as the Auth Source
+                source = '$external';
+            }
+            let password = (_b = options.credentials) === null || _b === void 0 ? void 0 : _b.password;
+            if (mechanism === providers_1.AuthMechanism.MONGODB_X509 && password === '') {
+                password = undefined;
+            }
+            return mongo_credentials_1.MongoCredentials.merge(options.credentials, {
+                mechanism,
+                source,
+                password
+            });
+        }
+    },
+    authMechanismProperties: {
+        target: 'credentials',
+        transform({ options, values: [optionValue] }) {
+            if (typeof optionValue === 'string') {
+                const mechanismProperties = Object.create(null);
+                for (const [key, value] of entriesFromString(optionValue)) {
+                    try {
+                        mechanismProperties[key] = getBoolean(key, value);
+                    }
+                    catch {
+                        mechanismProperties[key] = value;
+                    }
+                }
+                return mongo_credentials_1.MongoCredentials.merge(options.credentials, {
+                    mechanismProperties
+                });
+            }
+            if (!(0, utils_1.isRecord)(optionValue)) {
+                throw new error_1.MongoParseError('AuthMechanismProperties must be an object');
+            }
+            return mongo_credentials_1.MongoCredentials.merge(options.credentials, { mechanismProperties: optionValue });
+        }
+    },
+    authSource: {
+        target: 'credentials',
+        transform({ options, values: [value] }) {
+            const source = String(value);
+            return mongo_credentials_1.MongoCredentials.merge(options.credentials, { source });
+        }
+    },
+    autoEncryption: {
+        type: 'record'
+    },
+    bsonRegExp: {
+        type: 'boolean'
+    },
+    serverApi: {
+        target: 'serverApi',
+        transform({ values: [version] }) {
+            const serverApiToValidate = typeof version === 'string' ? { version } : version;
+            const versionToValidate = serverApiToValidate && serverApiToValidate.version;
+            if (!versionToValidate) {
+                throw new error_1.MongoParseError(`Invalid \`serverApi\` property; must specify a version from the following enum: ["${Object.values(mongo_client_1.ServerApiVersion).join('", "')}"]`);
+            }
+            if (!Object.values(mongo_client_1.ServerApiVersion).some(v => v === versionToValidate)) {
+                throw new error_1.MongoParseError(`Invalid server API version=${versionToValidate}; must be in the following enum: ["${Object.values(mongo_client_1.ServerApiVersion).join('", "')}"]`);
+            }
+            return serverApiToValidate;
+        }
+    },
+    checkKeys: {
+        type: 'boolean'
+    },
+    compressors: {
+        default: 'none',
+        target: 'compressors',
+        transform({ values }) {
+            const compressionList = new Set();
+            for (const compVal of values) {
+                const compValArray = typeof compVal === 'string' ? compVal.split(',') : compVal;
+                if (!Array.isArray(compValArray)) {
+                    throw new error_1.MongoInvalidArgumentError('compressors must be an array or a comma-delimited list of strings');
+                }
+                for (const c of compValArray) {
+                    if (Object.keys(compression_1.Compressor).includes(String(c))) {
+                        compressionList.add(String(c));
+                    }
+                    else {
+                        throw new error_1.MongoInvalidArgumentError(`${c} is not a valid compression mechanism. Must be one of: ${Object.keys(compression_1.Compressor)}.`);
+                    }
+                }
+            }
+            return [...compressionList];
+        }
+    },
+    connectTimeoutMS: {
+        default: 30000,
+        type: 'uint'
+    },
+    dbName: {
+        type: 'string'
+    },
+    directConnection: {
+        default: false,
+        type: 'boolean'
+    },
+    driverInfo: {
+        target: 'metadata',
+        default: (0, utils_1.makeClientMetadata)(),
+        transform({ options, values: [value] }) {
+            var _a, _b;
+            if (!(0, utils_1.isRecord)(value))
+                throw new error_1.MongoParseError('DriverInfo must be an object');
+            return (0, utils_1.makeClientMetadata)({
+                driverInfo: value,
+                appName: (_b = (_a = options.metadata) === null || _a === void 0 ? void 0 : _a.application) === null || _b === void 0 ? void 0 : _b.name
+            });
+        }
+    },
+    enableUtf8Validation: { type: 'boolean', default: true },
+    family: {
+        transform({ name, values: [value] }) {
+            const transformValue = getInt(name, value);
+            if (transformValue === 4 || transformValue === 6) {
+                return transformValue;
+            }
+            throw new error_1.MongoParseError(`Option 'family' must be 4 or 6 got ${transformValue}.`);
+        }
+    },
+    fieldsAsRaw: {
+        type: 'record'
+    },
+    forceServerObjectId: {
+        default: false,
+        type: 'boolean'
+    },
+    fsync: {
+        deprecated: 'Please use journal instead',
+        target: 'writeConcern',
+        transform({ name, options, values: [value] }) {
+            const wc = write_concern_1.WriteConcern.fromOptions({
+                writeConcern: {
+                    ...options.writeConcern,
+                    fsync: getBoolean(name, value)
+                }
+            });
+            if (!wc)
+                throw new error_1.MongoParseError(`Unable to make a writeConcern from fsync=${value}`);
+            return wc;
+        }
+    },
+    heartbeatFrequencyMS: {
+        default: 10000,
+        type: 'uint'
+    },
+    ignoreUndefined: {
+        type: 'boolean'
+    },
+    j: {
+        deprecated: 'Please use journal instead',
+        target: 'writeConcern',
+        transform({ name, options, values: [value] }) {
+            const wc = write_concern_1.WriteConcern.fromOptions({
+                writeConcern: {
+                    ...options.writeConcern,
+                    journal: getBoolean(name, value)
+                }
+            });
+            if (!wc)
+                throw new error_1.MongoParseError(`Unable to make a writeConcern from journal=${value}`);
+            return wc;
+        }
+    },
+    journal: {
+        target: 'writeConcern',
+        transform({ name, options, values: [value] }) {
+            const wc = write_concern_1.WriteConcern.fromOptions({
+                writeConcern: {
+                    ...options.writeConcern,
+                    journal: getBoolean(name, value)
+                }
+            });
+            if (!wc)
+                throw new error_1.MongoParseError(`Unable to make a writeConcern from journal=${value}`);
+            return wc;
+        }
+    },
+    keepAlive: {
+        default: true,
+        type: 'boolean'
+    },
+    keepAliveInitialDelay: {
+        default: 120000,
+        type: 'uint'
+    },
+    loadBalanced: {
+        default: false,
+        type: 'boolean'
+    },
+    localThresholdMS: {
+        default: 15,
+        type: 'uint'
+    },
+    logger: {
+        default: new logger_1.Logger('MongoClient'),
+        transform({ values: [value] }) {
+            if (value instanceof logger_1.Logger) {
+                return value;
+            }
+            (0, utils_1.emitWarning)('Alternative loggers might not be supported');
+            // TODO: make Logger an interface that others can implement, make usage consistent in driver
+            // DRIVERS-1204
+            return;
+        }
+    },
+    loggerLevel: {
+        target: 'logger',
+        transform({ values: [value] }) {
+            return new logger_1.Logger('MongoClient', { loggerLevel: value });
+        }
+    },
+    maxConnecting: {
+        default: 2,
+        transform({ name, values: [value] }) {
+            const maxConnecting = getUint(name, value);
+            if (maxConnecting === 0) {
+                throw new error_1.MongoInvalidArgumentError('maxConnecting must be > 0 if specified');
+            }
+            return maxConnecting;
+        }
+    },
+    maxIdleTimeMS: {
+        default: 0,
+        type: 'uint'
+    },
+    maxPoolSize: {
+        default: 100,
+        type: 'uint'
+    },
+    maxStalenessSeconds: {
+        target: 'readPreference',
+        transform({ name, options, values: [value] }) {
+            const maxStalenessSeconds = getUint(name, value);
+            if (options.readPreference) {
+                return read_preference_1.ReadPreference.fromOptions({
+                    readPreference: { ...options.readPreference, maxStalenessSeconds }
+                });
+            }
+            else {
+                return new read_preference_1.ReadPreference('secondary', undefined, { maxStalenessSeconds });
+            }
+        }
+    },
+    minInternalBufferSize: {
+        type: 'uint'
+    },
+    minPoolSize: {
+        default: 0,
+        type: 'uint'
+    },
+    minHeartbeatFrequencyMS: {
+        default: 500,
+        type: 'uint'
+    },
+    monitorCommands: {
+        default: false,
+        type: 'boolean'
+    },
+    name: {
+        target: 'driverInfo',
+        transform({ values: [value], options }) {
+            return { ...options.driverInfo, name: String(value) };
+        }
+    },
+    noDelay: {
+        default: true,
+        type: 'boolean'
+    },
+    pkFactory: {
+        default: utils_1.DEFAULT_PK_FACTORY,
+        transform({ values: [value] }) {
+            if ((0, utils_1.isRecord)(value, ['createPk']) && typeof value.createPk === 'function') {
+                return value;
+            }
+            throw new error_1.MongoParseError(`Option pkFactory must be an object with a createPk function, got ${value}`);
+        }
+    },
+    promiseLibrary: {
+        deprecated: true,
+        type: 'any'
+    },
+    promoteBuffers: {
+        type: 'boolean'
+    },
+    promoteLongs: {
+        type: 'boolean'
+    },
+    promoteValues: {
+        type: 'boolean'
+    },
+    proxyHost: {
+        type: 'string'
+    },
+    proxyPassword: {
+        type: 'string'
+    },
+    proxyPort: {
+        type: 'uint'
+    },
+    proxyUsername: {
+        type: 'string'
+    },
+    raw: {
+        default: false,
+        type: 'boolean'
+    },
+    readConcern: {
+        transform({ values: [value], options }) {
+            if (value instanceof read_concern_1.ReadConcern || (0, utils_1.isRecord)(value, ['level'])) {
+                return read_concern_1.ReadConcern.fromOptions({ ...options.readConcern, ...value });
+            }
+            throw new error_1.MongoParseError(`ReadConcern must be an object, got ${JSON.stringify(value)}`);
+        }
+    },
+    readConcernLevel: {
+        target: 'readConcern',
+        transform({ values: [level], options }) {
+            return read_concern_1.ReadConcern.fromOptions({
+                ...options.readConcern,
+                level: level
+            });
+        }
+    },
+    readPreference: {
+        default: read_preference_1.ReadPreference.primary,
+        transform({ values: [value], options }) {
+            var _a, _b, _c;
+            if (value instanceof read_preference_1.ReadPreference) {
+                return read_preference_1.ReadPreference.fromOptions({
+                    readPreference: { ...options.readPreference, ...value },
+                    ...value
+                });
+            }
+            if ((0, utils_1.isRecord)(value, ['mode'])) {
+                const rp = read_preference_1.ReadPreference.fromOptions({
+                    readPreference: { ...options.readPreference, ...value },
+                    ...value
+                });
+                if (rp)
+                    return rp;
+                else
+                    throw new error_1.MongoParseError(`Cannot make read preference from ${JSON.stringify(value)}`);
+            }
+            if (typeof value === 'string') {
+                const rpOpts = {
+                    hedge: (_a = options.readPreference) === null || _a === void 0 ? void 0 : _a.hedge,
+                    maxStalenessSeconds: (_b = options.readPreference) === null || _b === void 0 ? void 0 : _b.maxStalenessSeconds
+                };
+                return new read_preference_1.ReadPreference(value, (_c = options.readPreference) === null || _c === void 0 ? void 0 : _c.tags, rpOpts);
+            }
+            throw new error_1.MongoParseError(`Unknown ReadPreference value: ${value}`);
+        }
+    },
+    readPreferenceTags: {
+        target: 'readPreference',
+        transform({ values, options }) {
+            const tags = Array.isArray(values[0])
+                ? values[0]
+                : values;
+            const readPreferenceTags = [];
+            for (const tag of tags) {
+                const readPreferenceTag = Object.create(null);
+                if (typeof tag === 'string') {
+                    for (const [k, v] of entriesFromString(tag)) {
+                        readPreferenceTag[k] = v;
+                    }
+                }
+                if ((0, utils_1.isRecord)(tag)) {
+                    for (const [k, v] of Object.entries(tag)) {
+                        readPreferenceTag[k] = v;
+                    }
+                }
+                readPreferenceTags.push(readPreferenceTag);
+            }
+            return read_preference_1.ReadPreference.fromOptions({
+                readPreference: options.readPreference,
+                readPreferenceTags
+            });
+        }
+    },
+    replicaSet: {
+        type: 'string'
+    },
+    retryReads: {
+        default: true,
+        type: 'boolean'
+    },
+    retryWrites: {
+        default: true,
+        type: 'boolean'
+    },
+    serializeFunctions: {
+        type: 'boolean'
+    },
+    serverSelectionTimeoutMS: {
+        default: 30000,
+        type: 'uint'
+    },
+    servername: {
+        type: 'string'
+    },
+    socketTimeoutMS: {
+        default: 0,
+        type: 'uint'
+    },
+    srvMaxHosts: {
+        type: 'uint',
+        default: 0
+    },
+    srvServiceName: {
+        type: 'string',
+        default: 'mongodb'
+    },
+    ssl: {
+        target: 'tls',
+        type: 'boolean'
+    },
+    sslCA: {
+        target: 'ca',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    sslCRL: {
+        target: 'crl',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    sslCert: {
+        target: 'cert',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    sslKey: {
+        target: 'key',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    sslPass: {
+        deprecated: true,
+        target: 'passphrase',
+        type: 'string'
+    },
+    sslValidate: {
+        target: 'rejectUnauthorized',
+        type: 'boolean'
+    },
+    tls: {
+        type: 'boolean'
+    },
+    tlsAllowInvalidCertificates: {
+        target: 'rejectUnauthorized',
+        transform({ name, values: [value] }) {
+            // allowInvalidCertificates is the inverse of rejectUnauthorized
+            return !getBoolean(name, value);
+        }
+    },
+    tlsAllowInvalidHostnames: {
+        target: 'checkServerIdentity',
+        transform({ name, values: [value] }) {
+            // tlsAllowInvalidHostnames means setting the checkServerIdentity function to a noop
+            return getBoolean(name, value) ? () => undefined : undefined;
+        }
+    },
+    tlsCAFile: {
+        target: 'ca',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    tlsCertificateFile: {
+        target: 'cert',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    tlsCertificateKeyFile: {
+        target: 'key',
+        transform({ values: [value] }) {
+            return fs.readFileSync(String(value), { encoding: 'ascii' });
+        }
+    },
+    tlsCertificateKeyFilePassword: {
+        target: 'passphrase',
+        type: 'any'
+    },
+    tlsInsecure: {
+        transform({ name, options, values: [value] }) {
+            const tlsInsecure = getBoolean(name, value);
+            if (tlsInsecure) {
+                options.checkServerIdentity = () => undefined;
+                options.rejectUnauthorized = false;
+            }
+            else {
+                options.checkServerIdentity = options.tlsAllowInvalidHostnames
+                    ? () => undefined
+                    : undefined;
+                options.rejectUnauthorized = options.tlsAllowInvalidCertificates ? false : true;
+            }
+            return tlsInsecure;
+        }
+    },
+    w: {
+        target: 'writeConcern',
+        transform({ values: [value], options }) {
+            return write_concern_1.WriteConcern.fromOptions({ writeConcern: { ...options.writeConcern, w: value } });
+        }
+    },
+    waitQueueTimeoutMS: {
+        default: 0,
+        type: 'uint'
+    },
+    writeConcern: {
+        target: 'writeConcern',
+        transform({ values: [value], options }) {
+            if ((0, utils_1.isRecord)(value) || value instanceof write_concern_1.WriteConcern) {
+                return write_concern_1.WriteConcern.fromOptions({
+                    writeConcern: {
+                        ...options.writeConcern,
+                        ...value
+                    }
+                });
+            }
+            else if (value === 'majority' || typeof value === 'number') {
+                return write_concern_1.WriteConcern.fromOptions({
+                    writeConcern: {
+                        ...options.writeConcern,
+                        w: value
+                    }
+                });
+            }
+            throw new error_1.MongoParseError(`Invalid WriteConcern cannot parse: ${JSON.stringify(value)}`);
+        }
+    },
+    wtimeout: {
+        deprecated: 'Please use wtimeoutMS instead',
+        target: 'writeConcern',
+        transform({ values: [value], options }) {
+            const wc = write_concern_1.WriteConcern.fromOptions({
+                writeConcern: {
+                    ...options.writeConcern,
+                    wtimeout: getUint('wtimeout', value)
+                }
+            });
+            if (wc)
+                return wc;
+            throw new error_1.MongoParseError(`Cannot make WriteConcern from wtimeout`);
+        }
+    },
+    wtimeoutMS: {
+        target: 'writeConcern',
+        transform({ values: [value], options }) {
+            const wc = write_concern_1.WriteConcern.fromOptions({
+                writeConcern: {
+                    ...options.writeConcern,
+                    wtimeoutMS: getUint('wtimeoutMS', value)
+                }
+            });
+            if (wc)
+                return wc;
+            throw new error_1.MongoParseError(`Cannot make WriteConcern from wtimeout`);
+        }
+    },
+    zlibCompressionLevel: {
+        default: 0,
+        type: 'int'
+    },
+    // Custom types for modifying core behavior
+    connectionType: { type: 'any' },
+    srvPoller: { type: 'any' },
+    // Accepted NodeJS Options
+    minDHSize: { type: 'any' },
+    pskCallback: { type: 'any' },
+    secureContext: { type: 'any' },
+    enableTrace: { type: 'any' },
+    requestCert: { type: 'any' },
+    rejectUnauthorized: { type: 'any' },
+    checkServerIdentity: { type: 'any' },
+    ALPNProtocols: { type: 'any' },
+    SNICallback: { type: 'any' },
+    session: { type: 'any' },
+    requestOCSP: { type: 'any' },
+    localAddress: { type: 'any' },
+    localPort: { type: 'any' },
+    hints: { type: 'any' },
+    lookup: { type: 'any' },
+    ca: { type: 'any' },
+    cert: { type: 'any' },
+    ciphers: { type: 'any' },
+    crl: { type: 'any' },
+    ecdhCurve: { type: 'any' },
+    key: { type: 'any' },
+    passphrase: { type: 'any' },
+    pfx: { type: 'any' },
+    secureProtocol: { type: 'any' },
+    index: { type: 'any' },
+    // Legacy Options, these are unused but left here to avoid errors with CSFLE lib
+    useNewUrlParser: { type: 'boolean' },
+    useUnifiedTopology: { type: 'boolean' }
+};
+exports.DEFAULT_OPTIONS = new CaseInsensitiveMap(Object.entries(exports.OPTIONS)
+    .filter(([, descriptor]) => descriptor.default != null)
+    .map(([k, d]) => [k, d.default]));
+/**
+ * Set of permitted feature flags
+ * @internal
+ */
+exports.FEATURE_FLAGS = new Set([Symbol.for('@@mdb.skipPingOnConnect')]);
+//# sourceMappingURL=connection_string.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/connection_string.js.map b/node_modules/mongoose/node_modules/mongodb/lib/connection_string.js.map
new file mode 100644
index 000000000..e144fc884
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/connection_string.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/constants.js b/node_modules/mongoose/node_modules/mongodb/lib/constants.js
new file mode 100644
index 000000000..83653840d
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/constants.js
@@ -0,0 +1,129 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.APM_EVENTS = exports.TOPOLOGY_EVENTS = exports.CMAP_EVENTS = exports.HEARTBEAT_EVENTS = exports.RESUME_TOKEN_CHANGED = exports.END = exports.CHANGE = exports.INIT = exports.MORE = exports.RESPONSE = exports.SERVER_HEARTBEAT_FAILED = exports.SERVER_HEARTBEAT_SUCCEEDED = exports.SERVER_HEARTBEAT_STARTED = exports.COMMAND_FAILED = exports.COMMAND_SUCCEEDED = exports.COMMAND_STARTED = exports.CLUSTER_TIME_RECEIVED = exports.CONNECTION_CHECKED_IN = exports.CONNECTION_CHECKED_OUT = exports.CONNECTION_CHECK_OUT_FAILED = exports.CONNECTION_CHECK_OUT_STARTED = exports.CONNECTION_CLOSED = exports.CONNECTION_READY = exports.CONNECTION_CREATED = exports.CONNECTION_POOL_CLEARED = exports.CONNECTION_POOL_CLOSED = exports.CONNECTION_POOL_CREATED = exports.TOPOLOGY_DESCRIPTION_CHANGED = exports.TOPOLOGY_CLOSED = exports.TOPOLOGY_OPENING = exports.SERVER_DESCRIPTION_CHANGED = exports.SERVER_CLOSED = exports.SERVER_OPENING = exports.DESCRIPTION_RECEIVED = exports.UNPINNED = exports.PINNED = exports.MESSAGE = exports.ENDED = exports.CLOSED = exports.CONNECT = exports.OPEN = exports.CLOSE = exports.TIMEOUT = exports.ERROR = exports.SYSTEM_JS_COLLECTION = exports.SYSTEM_COMMAND_COLLECTION = exports.SYSTEM_USER_COLLECTION = exports.SYSTEM_PROFILE_COLLECTION = exports.SYSTEM_INDEX_COLLECTION = exports.SYSTEM_NAMESPACE_COLLECTION = void 0;
+exports.LEGACY_HELLO_COMMAND_CAMEL_CASE = exports.LEGACY_HELLO_COMMAND = exports.MONGO_CLIENT_EVENTS = exports.LOCAL_SERVER_EVENTS = exports.SERVER_RELAY_EVENTS = void 0;
+exports.SYSTEM_NAMESPACE_COLLECTION = 'system.namespaces';
+exports.SYSTEM_INDEX_COLLECTION = 'system.indexes';
+exports.SYSTEM_PROFILE_COLLECTION = 'system.profile';
+exports.SYSTEM_USER_COLLECTION = 'system.users';
+exports.SYSTEM_COMMAND_COLLECTION = '$cmd';
+exports.SYSTEM_JS_COLLECTION = 'system.js';
+// events
+exports.ERROR = 'error';
+exports.TIMEOUT = 'timeout';
+exports.CLOSE = 'close';
+exports.OPEN = 'open';
+exports.CONNECT = 'connect';
+exports.CLOSED = 'closed';
+exports.ENDED = 'ended';
+exports.MESSAGE = 'message';
+exports.PINNED = 'pinned';
+exports.UNPINNED = 'unpinned';
+exports.DESCRIPTION_RECEIVED = 'descriptionReceived';
+exports.SERVER_OPENING = 'serverOpening';
+exports.SERVER_CLOSED = 'serverClosed';
+exports.SERVER_DESCRIPTION_CHANGED = 'serverDescriptionChanged';
+exports.TOPOLOGY_OPENING = 'topologyOpening';
+exports.TOPOLOGY_CLOSED = 'topologyClosed';
+exports.TOPOLOGY_DESCRIPTION_CHANGED = 'topologyDescriptionChanged';
+exports.CONNECTION_POOL_CREATED = 'connectionPoolCreated';
+exports.CONNECTION_POOL_CLOSED = 'connectionPoolClosed';
+exports.CONNECTION_POOL_CLEARED = 'connectionPoolCleared';
+exports.CONNECTION_CREATED = 'connectionCreated';
+exports.CONNECTION_READY = 'connectionReady';
+exports.CONNECTION_CLOSED = 'connectionClosed';
+exports.CONNECTION_CHECK_OUT_STARTED = 'connectionCheckOutStarted';
+exports.CONNECTION_CHECK_OUT_FAILED = 'connectionCheckOutFailed';
+exports.CONNECTION_CHECKED_OUT = 'connectionCheckedOut';
+exports.CONNECTION_CHECKED_IN = 'connectionCheckedIn';
+exports.CLUSTER_TIME_RECEIVED = 'clusterTimeReceived';
+exports.COMMAND_STARTED = 'commandStarted';
+exports.COMMAND_SUCCEEDED = 'commandSucceeded';
+exports.COMMAND_FAILED = 'commandFailed';
+exports.SERVER_HEARTBEAT_STARTED = 'serverHeartbeatStarted';
+exports.SERVER_HEARTBEAT_SUCCEEDED = 'serverHeartbeatSucceeded';
+exports.SERVER_HEARTBEAT_FAILED = 'serverHeartbeatFailed';
+exports.RESPONSE = 'response';
+exports.MORE = 'more';
+exports.INIT = 'init';
+exports.CHANGE = 'change';
+exports.END = 'end';
+exports.RESUME_TOKEN_CHANGED = 'resumeTokenChanged';
+/** @public */
+exports.HEARTBEAT_EVENTS = Object.freeze([
+    exports.SERVER_HEARTBEAT_STARTED,
+    exports.SERVER_HEARTBEAT_SUCCEEDED,
+    exports.SERVER_HEARTBEAT_FAILED
+]);
+/** @public */
+exports.CMAP_EVENTS = Object.freeze([
+    exports.CONNECTION_POOL_CREATED,
+    exports.CONNECTION_POOL_CLOSED,
+    exports.CONNECTION_CREATED,
+    exports.CONNECTION_READY,
+    exports.CONNECTION_CLOSED,
+    exports.CONNECTION_CHECK_OUT_STARTED,
+    exports.CONNECTION_CHECK_OUT_FAILED,
+    exports.CONNECTION_CHECKED_OUT,
+    exports.CONNECTION_CHECKED_IN,
+    exports.CONNECTION_POOL_CLEARED
+]);
+/** @public */
+exports.TOPOLOGY_EVENTS = Object.freeze([
+    exports.SERVER_OPENING,
+    exports.SERVER_CLOSED,
+    exports.SERVER_DESCRIPTION_CHANGED,
+    exports.TOPOLOGY_OPENING,
+    exports.TOPOLOGY_CLOSED,
+    exports.TOPOLOGY_DESCRIPTION_CHANGED,
+    exports.ERROR,
+    exports.TIMEOUT,
+    exports.CLOSE
+]);
+/** @public */
+exports.APM_EVENTS = Object.freeze([
+    exports.COMMAND_STARTED,
+    exports.COMMAND_SUCCEEDED,
+    exports.COMMAND_FAILED
+]);
+/**
+ * All events that we relay to the `Topology`
+ * @internal
+ */
+exports.SERVER_RELAY_EVENTS = Object.freeze([
+    exports.SERVER_HEARTBEAT_STARTED,
+    exports.SERVER_HEARTBEAT_SUCCEEDED,
+    exports.SERVER_HEARTBEAT_FAILED,
+    exports.COMMAND_STARTED,
+    exports.COMMAND_SUCCEEDED,
+    exports.COMMAND_FAILED,
+    ...exports.CMAP_EVENTS
+]);
+/**
+ * All events we listen to from `Server` instances, but do not forward to the client
+ * @internal
+ */
+exports.LOCAL_SERVER_EVENTS = Object.freeze([
+    exports.CONNECT,
+    exports.DESCRIPTION_RECEIVED,
+    exports.CLOSED,
+    exports.ENDED
+]);
+/** @public */
+exports.MONGO_CLIENT_EVENTS = Object.freeze([
+    ...exports.CMAP_EVENTS,
+    ...exports.APM_EVENTS,
+    ...exports.TOPOLOGY_EVENTS,
+    ...exports.HEARTBEAT_EVENTS
+]);
+/**
+ * @internal
+ * The legacy hello command that was deprecated in MongoDB 5.0.
+ */
+exports.LEGACY_HELLO_COMMAND = 'ismaster';
+/**
+ * @internal
+ * The legacy hello command that was deprecated in MongoDB 5.0.
+ */
+exports.LEGACY_HELLO_COMMAND_CAMEL_CASE = 'isMaster';
+//# sourceMappingURL=constants.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/constants.js.map b/node_modules/mongoose/node_modules/mongodb/lib/constants.js.map
new file mode 100644
index 000000000..f6e3365c5
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/constants.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"constants.js","sourceRoot":"","sources":["../src/constants.ts"],"names":[],"mappings":";;;;AAAa,QAAA,2BAA2B,GAAG,mBAAmB,CAAC;AAClD,QAAA,uBAAuB,GAAG,gBAAgB,CAAC;AAC3C,QAAA,yBAAyB,GAAG,gBAAgB,CAAC;AAC7C,QAAA,sBAAsB,GAAG,cAAc,CAAC;AACxC,QAAA,yBAAyB,GAAG,MAAM,CAAC;AACnC,QAAA,oBAAoB,GAAG,WAAW,CAAC;AAEhD,SAAS;AACI,QAAA,KAAK,GAAG,OAAgB,CAAC;AACzB,QAAA,OAAO,GAAG,SAAkB,CAAC;AAC7B,QAAA,KAAK,GAAG,OAAgB,CAAC;AACzB,QAAA,IAAI,GAAG,MAAe,CAAC;AACvB,QAAA,OAAO,GAAG,SAAkB,CAAC;AAC7B,QAAA,MAAM,GAAG,QAAiB,CAAC;AAC3B,QAAA,KAAK,GAAG,OAAgB,CAAC;AACzB,QAAA,OAAO,GAAG,SAAkB,CAAC;AAC7B,QAAA,MAAM,GAAG,QAAiB,CAAC;AAC3B,QAAA,QAAQ,GAAG,UAAmB,CAAC;AAC/B,QAAA,oBAAoB,GAAG,qBAAqB,CAAC;AAC7C,QAAA,cAAc,GAAG,eAAwB,CAAC;AAC1C,QAAA,aAAa,GAAG,cAAuB,CAAC;AACxC,QAAA,0BAA0B,GAAG,0BAAmC,CAAC;AACjE,QAAA,gBAAgB,GAAG,iBAA0B,CAAC;AAC9C,QAAA,eAAe,GAAG,gBAAyB,CAAC;AAC5C,QAAA,4BAA4B,GAAG,4BAAqC,CAAC;AACrE,QAAA,uBAAuB,GAAG,uBAAgC,CAAC;AAC3D,QAAA,sBAAsB,GAAG,sBAA+B,CAAC;AACzD,QAAA,uBAAuB,GAAG,uBAAgC,CAAC;AAC3D,QAAA,kBAAkB,GAAG,mBAA4B,CAAC;AAClD,QAAA,gBAAgB,GAAG,iBAA0B,CAAC;AAC9C,QAAA,iBAAiB,GAAG,kBAA2B,CAAC;AAChD,QAAA,4BAA4B,GAAG,2BAAoC,CAAC;AACpE,QAAA,2BAA2B,GAAG,0BAAmC,CAAC;AAClE,QAAA,sBAAsB,GAAG,sBAA+B,CAAC;AACzD,QAAA,qBAAqB,GAAG,qBAA8B,CAAC;AACvD,QAAA,qBAAqB,GAAG,qBAA8B,CAAC;AACvD,QAAA,eAAe,GAAG,gBAAyB,CAAC;AAC5C,QAAA,iBAAiB,GAAG,kBAA2B,CAAC;AAChD,QAAA,cAAc,GAAG,eAAwB,CAAC;AAC1C,QAAA,wBAAwB,GAAG,wBAAiC,CAAC;AAC7D,QAAA,0BAA0B,GAAG,0BAAmC,CAAC;AACjE,QAAA,uBAAuB,GAAG,uBAAgC,CAAC;AAC3D,QAAA,QAAQ,GAAG,UAAmB,CAAC;AAC/B,QAAA,IAAI,GAAG,MAAe,CAAC;AACvB,QAAA,IAAI,GAAG,MAAe,CAAC;AACvB,QAAA,MAAM,GAAG,QAAiB,CAAC;AAC3B,QAAA,GAAG,GAAG,KAAc,CAAC;AACrB,QAAA,oBAAoB,GAAG,oBAA6B,CAAC;AAElE,cAAc;AACD,QAAA,gBAAgB,GAAG,MAAM,CAAC,MAAM,CAAC;IAC5C,gCAAwB;IACxB,kCAA0B;IAC1B,+BAAuB;CACf,CAAC,CAAC;AAEZ,cAAc;AACD,QAAA,WAAW,GAAG,MAAM,CAAC,MAAM,CAAC;IACvC,+BAAuB;IACvB,8BAAsB;IACtB,0BAAkB;IAClB,wBAAgB;IAChB,yBAAiB;IACjB,oCAA4B;IAC5B,mCAA2B;IAC3B,8BAAsB;IACtB,6BAAqB;IACrB,+BAAuB;CACf,CAAC,CAAC;AAEZ,cAAc;AACD,QAAA,eAAe,GAAG,MAAM,CAAC,MAAM,CAAC;IAC3C,sBAAc;IACd,qBAAa;IACb,kCAA0B;IAC1B,wBAAgB;IAChB,uBAAe;IACf,oCAA4B;IAC5B,aAAK;IACL,eAAO;IACP,aAAK;CACG,CAAC,CAAC;AAEZ,cAAc;AACD,QAAA,UAAU,GAAG,MAAM,CAAC,MAAM,CAAC;IACtC,uBAAe;IACf,yBAAiB;IACjB,sBAAc;CACN,CAAC,CAAC;AAEZ;;;GAGG;AACU,QAAA,mBAAmB,GAAG,MAAM,CAAC,MAAM,CAAC;IAC/C,gCAAwB;IACxB,kCAA0B;IAC1B,+BAAuB;IACvB,uBAAe;IACf,yBAAiB;IACjB,sBAAc;IACd,GAAG,mBAAW;CACN,CAAC,CAAC;AAEZ;;;GAGG;AACU,QAAA,mBAAmB,GAAG,MAAM,CAAC,MAAM,CAAC;IAC/C,eAAO;IACP,4BAAoB;IACpB,cAAM;IACN,aAAK;CACG,CAAC,CAAC;AAEZ,cAAc;AACD,QAAA,mBAAmB,GAAG,MAAM,CAAC,MAAM,CAAC;IAC/C,GAAG,mBAAW;IACd,GAAG,kBAAU;IACb,GAAG,uBAAe;IAClB,GAAG,wBAAgB;CACX,CAAC,CAAC;AAEZ;;;GAGG;AACU,QAAA,oBAAoB,GAAG,UAAU,CAAC;AAE/C;;;GAGG;AACU,QAAA,+BAA+B,GAAG,UAAU,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cursor/abstract_cursor.js b/node_modules/mongoose/node_modules/mongodb/lib/cursor/abstract_cursor.js
new file mode 100644
index 000000000..2034f54d2
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cursor/abstract_cursor.js
@@ -0,0 +1,646 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.assertUninitialized = exports.next = exports.AbstractCursor = exports.CURSOR_FLAGS = void 0;
+const stream_1 = require("stream");
+const bson_1 = require("../bson");
+const error_1 = require("../error");
+const mongo_types_1 = require("../mongo_types");
+const execute_operation_1 = require("../operations/execute_operation");
+const get_more_1 = require("../operations/get_more");
+const kill_cursors_1 = require("../operations/kill_cursors");
+const read_concern_1 = require("../read_concern");
+const read_preference_1 = require("../read_preference");
+const sessions_1 = require("../sessions");
+const utils_1 = require("../utils");
+/** @internal */
+const kId = Symbol('id');
+/** @internal */
+const kDocuments = Symbol('documents');
+/** @internal */
+const kServer = Symbol('server');
+/** @internal */
+const kNamespace = Symbol('namespace');
+/** @internal */
+const kClient = Symbol('client');
+/** @internal */
+const kSession = Symbol('session');
+/** @internal */
+const kOptions = Symbol('options');
+/** @internal */
+const kTransform = Symbol('transform');
+/** @internal */
+const kInitialized = Symbol('initialized');
+/** @internal */
+const kClosed = Symbol('closed');
+/** @internal */
+const kKilled = Symbol('killed');
+/** @internal */
+const kInit = Symbol('kInit');
+/** @public */
+exports.CURSOR_FLAGS = [
+    'tailable',
+    'oplogReplay',
+    'noCursorTimeout',
+    'awaitData',
+    'exhaust',
+    'partial'
+];
+/** @public */
+class AbstractCursor extends mongo_types_1.TypedEventEmitter {
+    /** @internal */
+    constructor(client, namespace, options = {}) {
+        super();
+        if (!client.s.isMongoClient) {
+            throw new error_1.MongoRuntimeError('Cursor must be constructed with MongoClient');
+        }
+        this[kClient] = client;
+        this[kNamespace] = namespace;
+        this[kDocuments] = [];
+        this[kInitialized] = false;
+        this[kClosed] = false;
+        this[kKilled] = false;
+        this[kOptions] = {
+            readPreference: options.readPreference && options.readPreference instanceof read_preference_1.ReadPreference
+                ? options.readPreference
+                : read_preference_1.ReadPreference.primary,
+            ...(0, bson_1.pluckBSONSerializeOptions)(options)
+        };
+        const readConcern = read_concern_1.ReadConcern.fromOptions(options);
+        if (readConcern) {
+            this[kOptions].readConcern = readConcern;
+        }
+        if (typeof options.batchSize === 'number') {
+            this[kOptions].batchSize = options.batchSize;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (options.comment !== undefined) {
+            this[kOptions].comment = options.comment;
+        }
+        if (typeof options.maxTimeMS === 'number') {
+            this[kOptions].maxTimeMS = options.maxTimeMS;
+        }
+        if (typeof options.maxAwaitTimeMS === 'number') {
+            this[kOptions].maxAwaitTimeMS = options.maxAwaitTimeMS;
+        }
+        if (options.session instanceof sessions_1.ClientSession) {
+            this[kSession] = options.session;
+        }
+        else {
+            this[kSession] = this[kClient].startSession({ owner: this, explicit: false });
+        }
+    }
+    get id() {
+        return this[kId];
+    }
+    /** @internal */
+    get client() {
+        return this[kClient];
+    }
+    /** @internal */
+    get server() {
+        return this[kServer];
+    }
+    get namespace() {
+        return this[kNamespace];
+    }
+    get readPreference() {
+        return this[kOptions].readPreference;
+    }
+    get readConcern() {
+        return this[kOptions].readConcern;
+    }
+    /** @internal */
+    get session() {
+        return this[kSession];
+    }
+    set session(clientSession) {
+        this[kSession] = clientSession;
+    }
+    /** @internal */
+    get cursorOptions() {
+        return this[kOptions];
+    }
+    get closed() {
+        return this[kClosed];
+    }
+    get killed() {
+        return this[kKilled];
+    }
+    get loadBalanced() {
+        var _a;
+        return !!((_a = this[kClient].topology) === null || _a === void 0 ? void 0 : _a.loadBalanced);
+    }
+    /** Returns current buffered documents length */
+    bufferedCount() {
+        return this[kDocuments].length;
+    }
+    /** Returns current buffered documents */
+    readBufferedDocuments(number) {
+        return this[kDocuments].splice(0, number !== null && number !== void 0 ? number : this[kDocuments].length);
+    }
+    [Symbol.asyncIterator]() {
+        return {
+            next: () => this.next().then(value => value != null ? { value, done: false } : { value: undefined, done: true })
+        };
+    }
+    stream(options) {
+        if (options === null || options === void 0 ? void 0 : options.transform) {
+            const transform = options.transform;
+            const readable = new ReadableCursorStream(this);
+            return readable.pipe(new stream_1.Transform({
+                objectMode: true,
+                highWaterMark: 1,
+                transform(chunk, _, callback) {
+                    try {
+                        const transformed = transform(chunk);
+                        callback(undefined, transformed);
+                    }
+                    catch (err) {
+                        callback(err);
+                    }
+                }
+            }));
+        }
+        return new ReadableCursorStream(this);
+    }
+    hasNext(callback) {
+        return (0, utils_1.maybePromise)(callback, done => {
+            if (this[kId] === bson_1.Long.ZERO) {
+                return done(undefined, false);
+            }
+            if (this[kDocuments].length) {
+                return done(undefined, true);
+            }
+            next(this, true, (err, doc) => {
+                if (err)
+                    return done(err);
+                if (doc) {
+                    this[kDocuments].unshift(doc);
+                    done(undefined, true);
+                    return;
+                }
+                done(undefined, false);
+            });
+        });
+    }
+    next(callback) {
+        return (0, utils_1.maybePromise)(callback, done => {
+            if (this[kId] === bson_1.Long.ZERO) {
+                return done(new error_1.MongoCursorExhaustedError());
+            }
+            next(this, true, done);
+        });
+    }
+    tryNext(callback) {
+        return (0, utils_1.maybePromise)(callback, done => {
+            if (this[kId] === bson_1.Long.ZERO) {
+                return done(new error_1.MongoCursorExhaustedError());
+            }
+            next(this, false, done);
+        });
+    }
+    forEach(iterator, callback) {
+        if (typeof iterator !== 'function') {
+            throw new error_1.MongoInvalidArgumentError('Argument "iterator" must be a function');
+        }
+        return (0, utils_1.maybePromise)(callback, done => {
+            const transform = this[kTransform];
+            const fetchDocs = () => {
+                next(this, true, (err, doc) => {
+                    if (err || doc == null)
+                        return done(err);
+                    let result;
+                    // NOTE: no need to transform because `next` will do this automatically
+                    try {
+                        result = iterator(doc); // TODO(NODE-3283): Improve transform typing
+                    }
+                    catch (error) {
+                        return done(error);
+                    }
+                    if (result === false)
+                        return done();
+                    // these do need to be transformed since they are copying the rest of the batch
+                    const internalDocs = this[kDocuments].splice(0, this[kDocuments].length);
+                    for (let i = 0; i < internalDocs.length; ++i) {
+                        try {
+                            result = iterator((transform ? transform(internalDocs[i]) : internalDocs[i]) // TODO(NODE-3283): Improve transform typing
+                            );
+                        }
+                        catch (error) {
+                            return done(error);
+                        }
+                        if (result === false)
+                            return done();
+                    }
+                    fetchDocs();
+                });
+            };
+            fetchDocs();
+        });
+    }
+    close(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        const needsToEmitClosed = !this[kClosed];
+        this[kClosed] = true;
+        return (0, utils_1.maybePromise)(callback, done => cleanupCursor(this, { needsToEmitClosed }, done));
+    }
+    toArray(callback) {
+        return (0, utils_1.maybePromise)(callback, done => {
+            const docs = [];
+            const transform = this[kTransform];
+            const fetchDocs = () => {
+                // NOTE: if we add a `nextBatch` then we should use it here
+                next(this, true, (err, doc) => {
+                    if (err)
+                        return done(err);
+                    if (doc == null)
+                        return done(undefined, docs);
+                    // NOTE: no need to transform because `next` will do this automatically
+                    docs.push(doc);
+                    // these do need to be transformed since they are copying the rest of the batch
+                    const internalDocs = (transform
+                        ? this[kDocuments].splice(0, this[kDocuments].length).map(transform)
+                        : this[kDocuments].splice(0, this[kDocuments].length)); // TODO(NODE-3283): Improve transform typing
+                    if (internalDocs) {
+                        docs.push(...internalDocs);
+                    }
+                    fetchDocs();
+                });
+            };
+            fetchDocs();
+        });
+    }
+    /**
+     * Add a cursor flag to the cursor
+     *
+     * @param flag - The flag to set, must be one of following ['tailable', 'oplogReplay', 'noCursorTimeout', 'awaitData', 'partial' -.
+     * @param value - The flag boolean value.
+     */
+    addCursorFlag(flag, value) {
+        assertUninitialized(this);
+        if (!exports.CURSOR_FLAGS.includes(flag)) {
+            throw new error_1.MongoInvalidArgumentError(`Flag ${flag} is not one of ${exports.CURSOR_FLAGS}`);
+        }
+        if (typeof value !== 'boolean') {
+            throw new error_1.MongoInvalidArgumentError(`Flag ${flag} must be a boolean value`);
+        }
+        this[kOptions][flag] = value;
+        return this;
+    }
+    /**
+     * Map all documents using the provided function
+     * If there is a transform set on the cursor, that will be called first and the result passed to
+     * this function's transform.
+     *
+     * @remarks
+     * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+     * it **does not** return a new instance of a cursor. This means when calling map,
+     * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+     * Take note of the following example:
+     *
+     * @example
+     * ```typescript
+     * const cursor: FindCursor<Document> = coll.find();
+     * const mappedCursor: FindCursor<number> = cursor.map(doc => Object.keys(doc).length);
+     * const keyCounts: number[] = await mappedCursor.toArray(); // cursor.toArray() still returns Document[]
+     * ```
+     * @param transform - The mapping transformation method.
+     */
+    map(transform) {
+        assertUninitialized(this);
+        const oldTransform = this[kTransform]; // TODO(NODE-3283): Improve transform typing
+        if (oldTransform) {
+            this[kTransform] = doc => {
+                return transform(oldTransform(doc));
+            };
+        }
+        else {
+            this[kTransform] = transform;
+        }
+        return this;
+    }
+    /**
+     * Set the ReadPreference for the cursor.
+     *
+     * @param readPreference - The new read preference for the cursor.
+     */
+    withReadPreference(readPreference) {
+        assertUninitialized(this);
+        if (readPreference instanceof read_preference_1.ReadPreference) {
+            this[kOptions].readPreference = readPreference;
+        }
+        else if (typeof readPreference === 'string') {
+            this[kOptions].readPreference = read_preference_1.ReadPreference.fromString(readPreference);
+        }
+        else {
+            throw new error_1.MongoInvalidArgumentError(`Invalid read preference: ${readPreference}`);
+        }
+        return this;
+    }
+    /**
+     * Set the ReadPreference for the cursor.
+     *
+     * @param readPreference - The new read preference for the cursor.
+     */
+    withReadConcern(readConcern) {
+        assertUninitialized(this);
+        const resolvedReadConcern = read_concern_1.ReadConcern.fromOptions({ readConcern });
+        if (resolvedReadConcern) {
+            this[kOptions].readConcern = resolvedReadConcern;
+        }
+        return this;
+    }
+    /**
+     * Set a maxTimeMS on the cursor query, allowing for hard timeout limits on queries (Only supported on MongoDB 2.6 or higher)
+     *
+     * @param value - Number of milliseconds to wait before aborting the query.
+     */
+    maxTimeMS(value) {
+        assertUninitialized(this);
+        if (typeof value !== 'number') {
+            throw new error_1.MongoInvalidArgumentError('Argument for maxTimeMS must be a number');
+        }
+        this[kOptions].maxTimeMS = value;
+        return this;
+    }
+    /**
+     * Set the batch size for the cursor.
+     *
+     * @param value - The number of documents to return per batch. See {@link https://docs.mongodb.com/manual/reference/command/find/|find command documentation}.
+     */
+    batchSize(value) {
+        assertUninitialized(this);
+        if (this[kOptions].tailable) {
+            throw new error_1.MongoTailableCursorError('Tailable cursor does not support batchSize');
+        }
+        if (typeof value !== 'number') {
+            throw new error_1.MongoInvalidArgumentError('Operation "batchSize" requires an integer');
+        }
+        this[kOptions].batchSize = value;
+        return this;
+    }
+    /**
+     * Rewind this cursor to its uninitialized state. Any options that are present on the cursor will
+     * remain in effect. Iterating this cursor will cause new queries to be sent to the server, even
+     * if the resultant data has already been retrieved by this cursor.
+     */
+    rewind() {
+        if (!this[kInitialized]) {
+            return;
+        }
+        this[kId] = undefined;
+        this[kDocuments] = [];
+        this[kClosed] = false;
+        this[kKilled] = false;
+        this[kInitialized] = false;
+        const session = this[kSession];
+        if (session) {
+            // We only want to end this session if we created it, and it hasn't ended yet
+            if (session.explicit === false) {
+                if (!session.hasEnded) {
+                    session.endSession().catch(() => null);
+                }
+                this[kSession] = this.client.startSession({ owner: this, explicit: false });
+            }
+        }
+    }
+    /** @internal */
+    _getMore(batchSize, callback) {
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        const getMoreOperation = new get_more_1.GetMoreOperation(this[kNamespace], this[kId], this[kServer], {
+            ...this[kOptions],
+            session: this[kSession],
+            batchSize
+        });
+        (0, execute_operation_1.executeOperation)(this[kClient], getMoreOperation, callback);
+    }
+    /**
+     * @internal
+     *
+     * This function is exposed for the unified test runner's createChangeStream
+     * operation.  We cannot refactor to use the abstract _initialize method without
+     * a significant refactor.
+     */
+    [kInit](callback) {
+        this._initialize(this[kSession], (err, state) => {
+            if (state) {
+                const response = state.response;
+                this[kServer] = state.server;
+                if (response.cursor) {
+                    // TODO(NODE-2674): Preserve int64 sent from MongoDB
+                    this[kId] =
+                        typeof response.cursor.id === 'number'
+                            ? bson_1.Long.fromNumber(response.cursor.id)
+                            : response.cursor.id;
+                    if (response.cursor.ns) {
+                        this[kNamespace] = (0, utils_1.ns)(response.cursor.ns);
+                    }
+                    this[kDocuments] = response.cursor.firstBatch;
+                }
+                // When server responses return without a cursor document, we close this cursor
+                // and return the raw server response. This is often the case for explain commands
+                // for example
+                if (this[kId] == null) {
+                    this[kId] = bson_1.Long.ZERO;
+                    // TODO(NODE-3286): ExecutionResult needs to accept a generic parameter
+                    this[kDocuments] = [state.response];
+                }
+            }
+            // the cursor is now initialized, even if an error occurred or it is dead
+            this[kInitialized] = true;
+            if (err || cursorIsDead(this)) {
+                return cleanupCursor(this, { error: err }, () => callback(err, nextDocument(this)));
+            }
+            callback();
+        });
+    }
+}
+exports.AbstractCursor = AbstractCursor;
+/** @event */
+AbstractCursor.CLOSE = 'close';
+function nextDocument(cursor) {
+    if (cursor[kDocuments] == null || !cursor[kDocuments].length) {
+        return null;
+    }
+    const doc = cursor[kDocuments].shift();
+    if (doc) {
+        const transform = cursor[kTransform];
+        if (transform) {
+            return transform(doc);
+        }
+        return doc;
+    }
+    return null;
+}
+/**
+ * @param cursor - the cursor on which to call `next`
+ * @param blocking - a boolean indicating whether or not the cursor should `block` until data
+ *     is available.  Generally, this flag is set to `false` because if the getMore returns no documents,
+ *     the cursor has been exhausted.  In certain scenarios (ChangeStreams, tailable await cursors and
+ *     `tryNext`, for example) blocking is necessary because a getMore returning no documents does
+ *     not indicate the end of the cursor.
+ * @param callback - callback to return the result to the caller
+ * @returns
+ */
+function next(cursor, blocking, callback) {
+    const cursorId = cursor[kId];
+    if (cursor.closed) {
+        return callback(undefined, null);
+    }
+    if (cursor[kDocuments] && cursor[kDocuments].length) {
+        callback(undefined, nextDocument(cursor));
+        return;
+    }
+    if (cursorId == null) {
+        // All cursors must operate within a session, one must be made implicitly if not explicitly provided
+        cursor[kInit]((err, value) => {
+            if (err)
+                return callback(err);
+            if (value) {
+                return callback(undefined, value);
+            }
+            return next(cursor, blocking, callback);
+        });
+        return;
+    }
+    if (cursorIsDead(cursor)) {
+        return cleanupCursor(cursor, undefined, () => callback(undefined, null));
+    }
+    // otherwise need to call getMore
+    const batchSize = cursor[kOptions].batchSize || 1000;
+    cursor._getMore(batchSize, (err, response) => {
+        if (response) {
+            const cursorId = typeof response.cursor.id === 'number'
+                ? bson_1.Long.fromNumber(response.cursor.id)
+                : response.cursor.id;
+            cursor[kDocuments] = response.cursor.nextBatch;
+            cursor[kId] = cursorId;
+        }
+        if (err || cursorIsDead(cursor)) {
+            return cleanupCursor(cursor, { error: err }, () => callback(err, nextDocument(cursor)));
+        }
+        if (cursor[kDocuments].length === 0 && blocking === false) {
+            return callback(undefined, null);
+        }
+        next(cursor, blocking, callback);
+    });
+}
+exports.next = next;
+function cursorIsDead(cursor) {
+    const cursorId = cursor[kId];
+    return !!cursorId && cursorId.isZero();
+}
+function cleanupCursor(cursor, options, callback) {
+    var _a;
+    const cursorId = cursor[kId];
+    const cursorNs = cursor[kNamespace];
+    const server = cursor[kServer];
+    const session = cursor[kSession];
+    const error = options === null || options === void 0 ? void 0 : options.error;
+    const needsToEmitClosed = (_a = options === null || options === void 0 ? void 0 : options.needsToEmitClosed) !== null && _a !== void 0 ? _a : cursor[kDocuments].length === 0;
+    if (error) {
+        if (cursor.loadBalanced && error instanceof error_1.MongoNetworkError) {
+            return completeCleanup();
+        }
+    }
+    if (cursorId == null || server == null || cursorId.isZero() || cursorNs == null) {
+        if (needsToEmitClosed) {
+            cursor[kClosed] = true;
+            cursor[kId] = bson_1.Long.ZERO;
+            cursor.emit(AbstractCursor.CLOSE);
+        }
+        if (session) {
+            if (session.owner === cursor) {
+                return session.endSession({ error }, callback);
+            }
+            if (!session.inTransaction()) {
+                (0, sessions_1.maybeClearPinnedConnection)(session, { error });
+            }
+        }
+        return callback();
+    }
+    function completeCleanup() {
+        if (session) {
+            if (session.owner === cursor) {
+                return session.endSession({ error }, () => {
+                    cursor.emit(AbstractCursor.CLOSE);
+                    callback();
+                });
+            }
+            if (!session.inTransaction()) {
+                (0, sessions_1.maybeClearPinnedConnection)(session, { error });
+            }
+        }
+        cursor.emit(AbstractCursor.CLOSE);
+        return callback();
+    }
+    cursor[kKilled] = true;
+    return (0, execute_operation_1.executeOperation)(cursor[kClient], new kill_cursors_1.KillCursorsOperation(cursorId, cursorNs, server, { session }), completeCleanup);
+}
+/** @internal */
+function assertUninitialized(cursor) {
+    if (cursor[kInitialized]) {
+        throw new error_1.MongoCursorInUseError();
+    }
+}
+exports.assertUninitialized = assertUninitialized;
+class ReadableCursorStream extends stream_1.Readable {
+    constructor(cursor) {
+        super({
+            objectMode: true,
+            autoDestroy: false,
+            highWaterMark: 1
+        });
+        this._readInProgress = false;
+        this._cursor = cursor;
+    }
+    // eslint-disable-next-line @typescript-eslint/no-unused-vars
+    _read(size) {
+        if (!this._readInProgress) {
+            this._readInProgress = true;
+            this._readNext();
+        }
+    }
+    _destroy(error, callback) {
+        this._cursor.close(err => process.nextTick(callback, err || error));
+    }
+    _readNext() {
+        next(this._cursor, true, (err, result) => {
+            if (err) {
+                // NOTE: This is questionable, but we have a test backing the behavior. It seems the
+                //       desired behavior is that a stream ends cleanly when a user explicitly closes
+                //       a client during iteration. Alternatively, we could do the "right" thing and
+                //       propagate the error message by removing this special case.
+                if (err.message.match(/server is closed/)) {
+                    this._cursor.close().catch(() => null);
+                    return this.push(null);
+                }
+                // NOTE: This is also perhaps questionable. The rationale here is that these errors tend
+                //       to be "operation interrupted", where a cursor has been closed but there is an
+                //       active getMore in-flight. This used to check if the cursor was killed but once
+                //       that changed to happen in cleanup legitimate errors would not destroy the
+                //       stream. There are change streams test specifically test these cases.
+                if (err.message.match(/interrupted/)) {
+                    return this.push(null);
+                }
+                return this.destroy(err);
+            }
+            if (result == null) {
+                this.push(null);
+            }
+            else if (this.destroyed) {
+                this._cursor.close().catch(() => null);
+            }
+            else {
+                if (this.push(result)) {
+                    return this._readNext();
+                }
+                this._readInProgress = false;
+            }
+        });
+    }
+}
+//# sourceMappingURL=abstract_cursor.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cursor/abstract_cursor.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cursor/abstract_cursor.js.map
new file mode 100644
index 000000000..fd075b65c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cursor/abstract_cursor.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cursor/aggregation_cursor.js b/node_modules/mongoose/node_modules/mongodb/lib/cursor/aggregation_cursor.js
new file mode 100644
index 000000000..ad77c58a0
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cursor/aggregation_cursor.js
@@ -0,0 +1,172 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AggregationCursor = void 0;
+const aggregate_1 = require("../operations/aggregate");
+const execute_operation_1 = require("../operations/execute_operation");
+const utils_1 = require("../utils");
+const abstract_cursor_1 = require("./abstract_cursor");
+/** @internal */
+const kPipeline = Symbol('pipeline');
+/** @internal */
+const kOptions = Symbol('options');
+/**
+ * The **AggregationCursor** class is an internal class that embodies an aggregation cursor on MongoDB
+ * allowing for iteration over the results returned from the underlying query. It supports
+ * one by one document iteration, conversion to an array or can be iterated as a Node 4.X
+ * or higher stream
+ * @public
+ */
+class AggregationCursor extends abstract_cursor_1.AbstractCursor {
+    /** @internal */
+    constructor(client, namespace, pipeline = [], options = {}) {
+        super(client, namespace, options);
+        this[kPipeline] = pipeline;
+        this[kOptions] = options;
+    }
+    get pipeline() {
+        return this[kPipeline];
+    }
+    clone() {
+        const clonedOptions = (0, utils_1.mergeOptions)({}, this[kOptions]);
+        delete clonedOptions.session;
+        return new AggregationCursor(this.client, this.namespace, this[kPipeline], {
+            ...clonedOptions
+        });
+    }
+    map(transform) {
+        return super.map(transform);
+    }
+    /** @internal */
+    _initialize(session, callback) {
+        const aggregateOperation = new aggregate_1.AggregateOperation(this.namespace, this[kPipeline], {
+            ...this[kOptions],
+            ...this.cursorOptions,
+            session
+        });
+        (0, execute_operation_1.executeOperation)(this.client, aggregateOperation, (err, response) => {
+            if (err || response == null)
+                return callback(err);
+            // TODO: NODE-2882
+            callback(undefined, { server: aggregateOperation.server, session, response });
+        });
+    }
+    explain(verbosity, callback) {
+        if (typeof verbosity === 'function')
+            (callback = verbosity), (verbosity = true);
+        if (verbosity == null)
+            verbosity = true;
+        return (0, execute_operation_1.executeOperation)(this.client, new aggregate_1.AggregateOperation(this.namespace, this[kPipeline], {
+            ...this[kOptions],
+            ...this.cursorOptions,
+            explain: verbosity
+        }), callback);
+    }
+    group($group) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $group });
+        return this;
+    }
+    /** Add a limit stage to the aggregation pipeline */
+    limit($limit) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $limit });
+        return this;
+    }
+    /** Add a match stage to the aggregation pipeline */
+    match($match) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $match });
+        return this;
+    }
+    /** Add an out stage to the aggregation pipeline */
+    out($out) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $out });
+        return this;
+    }
+    /**
+     * Add a project stage to the aggregation pipeline
+     *
+     * @remarks
+     * In order to strictly type this function you must provide an interface
+     * that represents the effect of your projection on the result documents.
+     *
+     * By default chaining a projection to your cursor changes the returned type to the generic {@link Document} type.
+     * You should specify a parameterized type to have assertions on your final results.
+     *
+     * @example
+     * ```typescript
+     * // Best way
+     * const docs: AggregationCursor<{ a: number }> = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * // Flexible way
+     * const docs: AggregationCursor<Document> = cursor.project({ _id: 0, a: true });
+     * ```
+     *
+     * @remarks
+     * In order to strictly type this function you must provide an interface
+     * that represents the effect of your projection on the result documents.
+     *
+     * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+     * it **does not** return a new instance of a cursor. This means when calling project,
+     * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+     * Take note of the following example:
+     *
+     * @example
+     * ```typescript
+     * const cursor: AggregationCursor<{ a: number; b: string }> = coll.aggregate([]);
+     * const projectCursor = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * const aPropOnlyArray: {a: number}[] = await projectCursor.toArray();
+     *
+     * // or always use chaining and save the final cursor
+     *
+     * const cursor = coll.aggregate().project<{ a: string }>({
+     *   _id: 0,
+     *   a: { $convert: { input: '$a', to: 'string' }
+     * }});
+     * ```
+     */
+    project($project) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $project });
+        return this;
+    }
+    /** Add a lookup stage to the aggregation pipeline */
+    lookup($lookup) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $lookup });
+        return this;
+    }
+    /** Add a redact stage to the aggregation pipeline */
+    redact($redact) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $redact });
+        return this;
+    }
+    /** Add a skip stage to the aggregation pipeline */
+    skip($skip) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $skip });
+        return this;
+    }
+    /** Add a sort stage to the aggregation pipeline */
+    sort($sort) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $sort });
+        return this;
+    }
+    /** Add a unwind stage to the aggregation pipeline */
+    unwind($unwind) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $unwind });
+        return this;
+    }
+    // deprecated methods
+    /** @deprecated Add a geoNear stage to the aggregation pipeline */
+    geoNear($geoNear) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kPipeline].push({ $geoNear });
+        return this;
+    }
+}
+exports.AggregationCursor = AggregationCursor;
+//# sourceMappingURL=aggregation_cursor.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cursor/aggregation_cursor.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cursor/aggregation_cursor.js.map
new file mode 100644
index 000000000..ed6d31ea0
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cursor/aggregation_cursor.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"aggregation_cursor.js","sourceRoot":"","sources":["../../src/cursor/aggregation_cursor.ts"],"names":[],"mappings":";;;AAGA,uDAA+E;AAC/E,uEAAoF;AAIpF,oCAAwC;AAExC,uDAAwE;AAKxE,gBAAgB;AAChB,MAAM,SAAS,GAAG,MAAM,CAAC,UAAU,CAAC,CAAC;AACrC,gBAAgB;AAChB,MAAM,QAAQ,GAAG,MAAM,CAAC,SAAS,CAAC,CAAC;AAEnC;;;;;;GAMG;AACH,MAAa,iBAAiC,SAAQ,gCAAuB;IAM3E,gBAAgB;IAChB,YACE,MAAmB,EACnB,SAA2B,EAC3B,WAAuB,EAAE,EACzB,UAA4B,EAAE;QAE9B,KAAK,CAAC,MAAM,EAAE,SAAS,EAAE,OAAO,CAAC,CAAC;QAElC,IAAI,CAAC,SAAS,CAAC,GAAG,QAAQ,CAAC;QAC3B,IAAI,CAAC,QAAQ,CAAC,GAAG,OAAO,CAAC;IAC3B,CAAC;IAED,IAAI,QAAQ;QACV,OAAO,IAAI,CAAC,SAAS,CAAC,CAAC;IACzB,CAAC;IAED,KAAK;QACH,MAAM,aAAa,GAAG,IAAA,oBAAY,EAAC,EAAE,EAAE,IAAI,CAAC,QAAQ,CAAC,CAAC,CAAC;QACvD,OAAO,aAAa,CAAC,OAAO,CAAC;QAC7B,OAAO,IAAI,iBAAiB,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,SAAS,EAAE,IAAI,CAAC,SAAS,CAAC,EAAE;YACzE,GAAG,aAAa;SACjB,CAAC,CAAC;IACL,CAAC;IAEQ,GAAG,CAAI,SAA8B;QAC5C,OAAO,KAAK,CAAC,GAAG,CAAC,SAAS,CAAyB,CAAC;IACtD,CAAC;IAED,gBAAgB;IAChB,WAAW,CAAC,OAAsB,EAAE,QAAmC;QACrE,MAAM,kBAAkB,GAAG,IAAI,8BAAkB,CAAC,IAAI,CAAC,SAAS,EAAE,IAAI,CAAC,SAAS,CAAC,EAAE;YACjF,GAAG,IAAI,CAAC,QAAQ,CAAC;YACjB,GAAG,IAAI,CAAC,aAAa;YACrB,OAAO;SACR,CAAC,CAAC;QAEH,IAAA,oCAAgB,EAAC,IAAI,CAAC,MAAM,EAAE,kBAAkB,EAAE,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;YAClE,IAAI,GAAG,IAAI,QAAQ,IAAI,IAAI;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAElD,kBAAkB;YAClB,QAAQ,CAAC,SAAS,EAAE,EAAE,MAAM,EAAE,kBAAkB,CAAC,MAAM,EAAE,OAAO,EAAE,QAAQ,EAAE,CAAC,CAAC;QAChF,CAAC,CAAC,CAAC;IACL,CAAC;IAMD,OAAO,CACL,SAA2C,EAC3C,QAA6B;QAE7B,IAAI,OAAO,SAAS,KAAK,UAAU;YAAE,CAAC,QAAQ,GAAG,SAAS,CAAC,EAAE,CAAC,SAAS,GAAG,IAAI,CAAC,CAAC;QAChF,IAAI,SAAS,IAAI,IAAI;YAAE,SAAS,GAAG,IAAI,CAAC;QAExC,OAAO,IAAA,oCAAgB,EACrB,IAAI,CAAC,MAAM,EACX,IAAI,8BAAkB,CAAC,IAAI,CAAC,SAAS,EAAE,IAAI,CAAC,SAAS,CAAC,EAAE;YACtD,GAAG,IAAI,CAAC,QAAQ,CAAC;YACjB,GAAG,IAAI,CAAC,aAAa;YACrB,OAAO,EAAE,SAAS;SACnB,CAAC,EACF,QAAQ,CACT,CAAC;IACJ,CAAC;IAID,KAAK,CAAC,MAAgB;QACpB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,MAAM,EAAE,CAAC,CAAC;QACjC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,oDAAoD;IACpD,KAAK,CAAC,MAAc;QAClB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,MAAM,EAAE,CAAC,CAAC;QACjC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,oDAAoD;IACpD,KAAK,CAAC,MAAgB;QACpB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,MAAM,EAAE,CAAC,CAAC;QACjC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,mDAAmD;IACnD,GAAG,CAAC,IAA2C;QAC7C,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,IAAI,EAAE,CAAC,CAAC;QAC/B,OAAO,IAAI,CAAC;IACd,CAAC;IAED;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;OAwCG;IACH,OAAO,CAAgC,QAAkB;QACvD,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,QAAQ,EAAE,CAAC,CAAC;QACnC,OAAO,IAAuC,CAAC;IACjD,CAAC;IAED,qDAAqD;IACrD,MAAM,CAAC,OAAiB;QACtB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,OAAO,EAAE,CAAC,CAAC;QAClC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,qDAAqD;IACrD,MAAM,CAAC,OAAiB;QACtB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,OAAO,EAAE,CAAC,CAAC;QAClC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,mDAAmD;IACnD,IAAI,CAAC,KAAa;QAChB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,KAAK,EAAE,CAAC,CAAC;QAChC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,mDAAmD;IACnD,IAAI,CAAC,KAAW;QACd,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,KAAK,EAAE,CAAC,CAAC;QAChC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,qDAAqD;IACrD,MAAM,CAAC,OAA0B;QAC/B,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,OAAO,EAAE,CAAC,CAAC;QAClC,OAAO,IAAI,CAAC;IACd,CAAC;IAED,qBAAqB;IACrB,kEAAkE;IAClE,OAAO,CAAC,QAAkB;QACxB,IAAA,qCAAmB,EAAC,IAAI,CAAC,CAAC;QAC1B,IAAI,CAAC,SAAS,CAAC,CAAC,IAAI,CAAC,EAAE,QAAQ,EAAE,CAAC,CAAC;QACnC,OAAO,IAAI,CAAC;IACd,CAAC;CACF;AA/LD,8CA+LC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cursor/change_stream_cursor.js b/node_modules/mongoose/node_modules/mongodb/lib/cursor/change_stream_cursor.js
new file mode 100644
index 000000000..471fb6cd3
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cursor/change_stream_cursor.js
@@ -0,0 +1,115 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ChangeStreamCursor = void 0;
+const change_stream_1 = require("../change_stream");
+const constants_1 = require("../constants");
+const aggregate_1 = require("../operations/aggregate");
+const execute_operation_1 = require("../operations/execute_operation");
+const utils_1 = require("../utils");
+const abstract_cursor_1 = require("./abstract_cursor");
+/** @internal */
+class ChangeStreamCursor extends abstract_cursor_1.AbstractCursor {
+    constructor(client, namespace, pipeline = [], options = {}) {
+        super(client, namespace, options);
+        this.pipeline = pipeline;
+        this.options = options;
+        this._resumeToken = null;
+        this.startAtOperationTime = options.startAtOperationTime;
+        if (options.startAfter) {
+            this.resumeToken = options.startAfter;
+        }
+        else if (options.resumeAfter) {
+            this.resumeToken = options.resumeAfter;
+        }
+    }
+    set resumeToken(token) {
+        this._resumeToken = token;
+        this.emit(change_stream_1.ChangeStream.RESUME_TOKEN_CHANGED, token);
+    }
+    get resumeToken() {
+        return this._resumeToken;
+    }
+    get resumeOptions() {
+        const options = {
+            ...this.options
+        };
+        for (const key of ['resumeAfter', 'startAfter', 'startAtOperationTime']) {
+            delete options[key];
+        }
+        if (this.resumeToken != null) {
+            if (this.options.startAfter && !this.hasReceived) {
+                options.startAfter = this.resumeToken;
+            }
+            else {
+                options.resumeAfter = this.resumeToken;
+            }
+        }
+        else if (this.startAtOperationTime != null && (0, utils_1.maxWireVersion)(this.server) >= 7) {
+            options.startAtOperationTime = this.startAtOperationTime;
+        }
+        return options;
+    }
+    cacheResumeToken(resumeToken) {
+        if (this.bufferedCount() === 0 && this.postBatchResumeToken) {
+            this.resumeToken = this.postBatchResumeToken;
+        }
+        else {
+            this.resumeToken = resumeToken;
+        }
+        this.hasReceived = true;
+    }
+    _processBatch(response) {
+        const cursor = response.cursor;
+        if (cursor.postBatchResumeToken) {
+            this.postBatchResumeToken = response.cursor.postBatchResumeToken;
+            const batch = 'firstBatch' in response.cursor ? response.cursor.firstBatch : response.cursor.nextBatch;
+            if (batch.length === 0) {
+                this.resumeToken = cursor.postBatchResumeToken;
+            }
+        }
+    }
+    clone() {
+        return new ChangeStreamCursor(this.client, this.namespace, this.pipeline, {
+            ...this.cursorOptions
+        });
+    }
+    _initialize(session, callback) {
+        const aggregateOperation = new aggregate_1.AggregateOperation(this.namespace, this.pipeline, {
+            ...this.cursorOptions,
+            ...this.options,
+            session
+        });
+        (0, execute_operation_1.executeOperation)(session.client, aggregateOperation, (err, response) => {
+            if (err || response == null) {
+                return callback(err);
+            }
+            const server = aggregateOperation.server;
+            this.maxWireVersion = (0, utils_1.maxWireVersion)(server);
+            if (this.startAtOperationTime == null &&
+                this.resumeAfter == null &&
+                this.startAfter == null &&
+                this.maxWireVersion >= 7) {
+                this.startAtOperationTime = response.operationTime;
+            }
+            this._processBatch(response);
+            this.emit(constants_1.INIT, response);
+            this.emit(constants_1.RESPONSE);
+            // TODO: NODE-2882
+            callback(undefined, { server, session, response });
+        });
+    }
+    _getMore(batchSize, callback) {
+        super._getMore(batchSize, (err, response) => {
+            if (err) {
+                return callback(err);
+            }
+            this.maxWireVersion = (0, utils_1.maxWireVersion)(this.server);
+            this._processBatch(response);
+            this.emit(change_stream_1.ChangeStream.MORE, response);
+            this.emit(change_stream_1.ChangeStream.RESPONSE);
+            callback(err, response);
+        });
+    }
+}
+exports.ChangeStreamCursor = ChangeStreamCursor;
+//# sourceMappingURL=change_stream_cursor.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cursor/change_stream_cursor.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cursor/change_stream_cursor.js.map
new file mode 100644
index 000000000..259e3ded1
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cursor/change_stream_cursor.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"change_stream_cursor.js","sourceRoot":"","sources":["../../src/cursor/change_stream_cursor.ts"],"names":[],"mappings":";;;AACA,oDAM0B;AAC1B,4CAA8C;AAG9C,uDAA6D;AAE7D,uEAAyF;AAEzF,oCAAgF;AAChF,uDAA+E;AAwB/E,gBAAgB;AAChB,MAAa,kBAGX,SAAQ,gCAA2C;IAkBnD,YACE,MAAmB,EACnB,SAA2B,EAC3B,WAAuB,EAAE,EACzB,UAAqC,EAAE;QAEvC,KAAK,CAAC,MAAM,EAAE,SAAS,EAAE,OAAO,CAAC,CAAC;QAElC,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,YAAY,GAAG,IAAI,CAAC;QACzB,IAAI,CAAC,oBAAoB,GAAG,OAAO,CAAC,oBAAoB,CAAC;QAEzD,IAAI,OAAO,CAAC,UAAU,EAAE;YACtB,IAAI,CAAC,WAAW,GAAG,OAAO,CAAC,UAAU,CAAC;SACvC;aAAM,IAAI,OAAO,CAAC,WAAW,EAAE;YAC9B,IAAI,CAAC,WAAW,GAAG,OAAO,CAAC,WAAW,CAAC;SACxC;IACH,CAAC;IAED,IAAI,WAAW,CAAC,KAAkB;QAChC,IAAI,CAAC,YAAY,GAAG,KAAK,CAAC;QAC1B,IAAI,CAAC,IAAI,CAAC,4BAAY,CAAC,oBAAoB,EAAE,KAAK,CAAC,CAAC;IACtD,CAAC;IAED,IAAI,WAAW;QACb,OAAO,IAAI,CAAC,YAAY,CAAC;IAC3B,CAAC;IAED,IAAI,aAAa;QACf,MAAM,OAAO,GAA8B;YACzC,GAAG,IAAI,CAAC,OAAO;SAChB,CAAC;QAEF,KAAK,MAAM,GAAG,IAAI,CAAC,aAAa,EAAE,YAAY,EAAE,sBAAsB,CAAU,EAAE;YAChF,OAAO,OAAO,CAAC,GAAG,CAAC,CAAC;SACrB;QAED,IAAI,IAAI,CAAC,WAAW,IAAI,IAAI,EAAE;YAC5B,IAAI,IAAI,CAAC,OAAO,CAAC,UAAU,IAAI,CAAC,IAAI,CAAC,WAAW,EAAE;gBAChD,OAAO,CAAC,UAAU,GAAG,IAAI,CAAC,WAAW,CAAC;aACvC;iBAAM;gBACL,OAAO,CAAC,WAAW,GAAG,IAAI,CAAC,WAAW,CAAC;aACxC;SACF;aAAM,IAAI,IAAI,CAAC,oBAAoB,IAAI,IAAI,IAAI,IAAA,sBAAc,EAAC,IAAI,CAAC,MAAM,CAAC,IAAI,CAAC,EAAE;YAChF,OAAO,CAAC,oBAAoB,GAAG,IAAI,CAAC,oBAAoB,CAAC;SAC1D;QAED,OAAO,OAAO,CAAC;IACjB,CAAC;IAED,gBAAgB,CAAC,WAAwB;QACvC,IAAI,IAAI,CAAC,aAAa,EAAE,KAAK,CAAC,IAAI,IAAI,CAAC,oBAAoB,EAAE;YAC3D,IAAI,CAAC,WAAW,GAAG,IAAI,CAAC,oBAAoB,CAAC;SAC9C;aAAM;YACL,IAAI,CAAC,WAAW,GAAG,WAAW,CAAC;SAChC;QACD,IAAI,CAAC,WAAW,GAAG,IAAI,CAAC;IAC1B,CAAC;IAED,aAAa,CAAC,QAAiD;QAC7D,MAAM,MAAM,GAAG,QAAQ,CAAC,MAAM,CAAC;QAC/B,IAAI,MAAM,CAAC,oBAAoB,EAAE;YAC/B,IAAI,CAAC,oBAAoB,GAAG,QAAQ,CAAC,MAAM,CAAC,oBAAoB,CAAC;YAEjE,MAAM,KAAK,GACT,YAAY,IAAI,QAAQ,CAAC,MAAM,CAAC,CAAC,CAAC,QAAQ,CAAC,MAAM,CAAC,UAAU,CAAC,CAAC,CAAC,QAAQ,CAAC,MAAM,CAAC,SAAS,CAAC;YAC3F,IAAI,KAAK,CAAC,MAAM,KAAK,CAAC,EAAE;gBACtB,IAAI,CAAC,WAAW,GAAG,MAAM,CAAC,oBAAoB,CAAC;aAChD;SACF;IACH,CAAC;IAED,KAAK;QACH,OAAO,IAAI,kBAAkB,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,SAAS,EAAE,IAAI,CAAC,QAAQ,EAAE;YACxE,GAAG,IAAI,CAAC,aAAa;SACtB,CAAC,CAAC;IACL,CAAC;IAED,WAAW,CAAC,OAAsB,EAAE,QAAmC;QACrE,MAAM,kBAAkB,GAAG,IAAI,8BAAkB,CAAC,IAAI,CAAC,SAAS,EAAE,IAAI,CAAC,QAAQ,EAAE;YAC/E,GAAG,IAAI,CAAC,aAAa;YACrB,GAAG,IAAI,CAAC,OAAO;YACf,OAAO;SACR,CAAC,CAAC;QAEH,IAAA,oCAAgB,EACd,OAAO,CAAC,MAAM,EACd,kBAAkB,EAClB,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;YAChB,IAAI,GAAG,IAAI,QAAQ,IAAI,IAAI,EAAE;gBAC3B,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;aACtB;YAED,MAAM,MAAM,GAAG,kBAAkB,CAAC,MAAM,CAAC;YACzC,IAAI,CAAC,cAAc,GAAG,IAAA,sBAAc,EAAC,MAAM,CAAC,CAAC;YAE7C,IACE,IAAI,CAAC,oBAAoB,IAAI,IAAI;gBACjC,IAAI,CAAC,WAAW,IAAI,IAAI;gBACxB,IAAI,CAAC,UAAU,IAAI,IAAI;gBACvB,IAAI,CAAC,cAAc,IAAI,CAAC,EACxB;gBACA,IAAI,CAAC,oBAAoB,GAAG,QAAQ,CAAC,aAAa,CAAC;aACpD;YAED,IAAI,CAAC,aAAa,CAAC,QAAQ,CAAC,CAAC;YAE7B,IAAI,CAAC,IAAI,CAAC,gBAAI,EAAE,QAAQ,CAAC,CAAC;YAC1B,IAAI,CAAC,IAAI,CAAC,oBAAQ,CAAC,CAAC;YAEpB,kBAAkB;YAClB,QAAQ,CAAC,SAAS,EAAE,EAAE,MAAM,EAAE,OAAO,EAAE,QAAQ,EAAE,CAAC,CAAC;QACrD,CAAC,CACF,CAAC;IACJ,CAAC;IAEQ,QAAQ,CAAC,SAAiB,EAAE,QAAkB;QACrD,KAAK,CAAC,QAAQ,CAAC,SAAS,EAAE,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;YAC1C,IAAI,GAAG,EAAE;gBACP,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;aACtB;YAED,IAAI,CAAC,cAAc,GAAG,IAAA,sBAAc,EAAC,IAAI,CAAC,MAAM,CAAC,CAAC;YAClD,IAAI,CAAC,aAAa,CAAC,QAAqE,CAAC,CAAC;YAE1F,IAAI,CAAC,IAAI,CAAC,4BAAY,CAAC,IAAI,EAAE,QAAQ,CAAC,CAAC;YACvC,IAAI,CAAC,IAAI,CAAC,4BAAY,CAAC,QAAQ,CAAC,CAAC;YACjC,QAAQ,CAAC,GAAG,EAAE,QAAQ,CAAC,CAAC;QAC1B,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAxJD,gDAwJC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cursor/find_cursor.js b/node_modules/mongoose/node_modules/mongodb/lib/cursor/find_cursor.js
new file mode 100644
index 000000000..072bf789d
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cursor/find_cursor.js
@@ -0,0 +1,382 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.FindCursor = exports.FLAGS = void 0;
+const error_1 = require("../error");
+const count_1 = require("../operations/count");
+const execute_operation_1 = require("../operations/execute_operation");
+const find_1 = require("../operations/find");
+const sort_1 = require("../sort");
+const utils_1 = require("../utils");
+const abstract_cursor_1 = require("./abstract_cursor");
+/** @internal */
+const kFilter = Symbol('filter');
+/** @internal */
+const kNumReturned = Symbol('numReturned');
+/** @internal */
+const kBuiltOptions = Symbol('builtOptions');
+/** @public Flags allowed for cursor */
+exports.FLAGS = [
+    'tailable',
+    'oplogReplay',
+    'noCursorTimeout',
+    'awaitData',
+    'exhaust',
+    'partial'
+];
+/** @public */
+class FindCursor extends abstract_cursor_1.AbstractCursor {
+    /** @internal */
+    constructor(client, namespace, filter, options = {}) {
+        super(client, namespace, options);
+        this[kFilter] = filter || {};
+        this[kBuiltOptions] = options;
+        if (options.sort != null) {
+            this[kBuiltOptions].sort = (0, sort_1.formatSort)(options.sort);
+        }
+    }
+    clone() {
+        const clonedOptions = (0, utils_1.mergeOptions)({}, this[kBuiltOptions]);
+        delete clonedOptions.session;
+        return new FindCursor(this.client, this.namespace, this[kFilter], {
+            ...clonedOptions
+        });
+    }
+    map(transform) {
+        return super.map(transform);
+    }
+    /** @internal */
+    _initialize(session, callback) {
+        const findOperation = new find_1.FindOperation(undefined, this.namespace, this[kFilter], {
+            ...this[kBuiltOptions],
+            ...this.cursorOptions,
+            session
+        });
+        (0, execute_operation_1.executeOperation)(this.client, findOperation, (err, response) => {
+            if (err || response == null)
+                return callback(err);
+            // TODO: We only need this for legacy queries that do not support `limit`, maybe
+            //       the value should only be saved in those cases.
+            if (response.cursor) {
+                this[kNumReturned] = response.cursor.firstBatch.length;
+            }
+            else {
+                this[kNumReturned] = response.documents ? response.documents.length : 0;
+            }
+            // TODO: NODE-2882
+            callback(undefined, { server: findOperation.server, session, response });
+        });
+    }
+    /** @internal */
+    _getMore(batchSize, callback) {
+        // NOTE: this is to support client provided limits in pre-command servers
+        const numReturned = this[kNumReturned];
+        if (numReturned) {
+            const limit = this[kBuiltOptions].limit;
+            batchSize =
+                limit && limit > 0 && numReturned + batchSize > limit ? limit - numReturned : batchSize;
+            if (batchSize <= 0) {
+                return this.close(callback);
+            }
+        }
+        super._getMore(batchSize, (err, response) => {
+            if (err)
+                return callback(err);
+            // TODO: wrap this in some logic to prevent it from happening if we don't need this support
+            if (response) {
+                this[kNumReturned] = this[kNumReturned] + response.cursor.nextBatch.length;
+            }
+            callback(undefined, response);
+        });
+    }
+    count(options, callback) {
+        (0, utils_1.emitWarningOnce)('cursor.count is deprecated and will be removed in the next major version, please use `collection.estimatedDocumentCount` or `collection.countDocuments` instead ');
+        if (typeof options === 'boolean') {
+            throw new error_1.MongoInvalidArgumentError('Invalid first parameter to count');
+        }
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return (0, execute_operation_1.executeOperation)(this.client, new count_1.CountOperation(this.namespace, this[kFilter], {
+            ...this[kBuiltOptions],
+            ...this.cursorOptions,
+            ...options
+        }), callback);
+    }
+    explain(verbosity, callback) {
+        if (typeof verbosity === 'function')
+            (callback = verbosity), (verbosity = true);
+        if (verbosity == null)
+            verbosity = true;
+        return (0, execute_operation_1.executeOperation)(this.client, new find_1.FindOperation(undefined, this.namespace, this[kFilter], {
+            ...this[kBuiltOptions],
+            ...this.cursorOptions,
+            explain: verbosity
+        }), callback);
+    }
+    /** Set the cursor query */
+    filter(filter) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kFilter] = filter;
+        return this;
+    }
+    /**
+     * Set the cursor hint
+     *
+     * @param hint - If specified, then the query system will only consider plans using the hinted index.
+     */
+    hint(hint) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].hint = hint;
+        return this;
+    }
+    /**
+     * Set the cursor min
+     *
+     * @param min - Specify a $min value to specify the inclusive lower bound for a specific index in order to constrain the results of find(). The $min specifies the lower bound for all keys of a specific index in order.
+     */
+    min(min) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].min = min;
+        return this;
+    }
+    /**
+     * Set the cursor max
+     *
+     * @param max - Specify a $max value to specify the exclusive upper bound for a specific index in order to constrain the results of find(). The $max specifies the upper bound for all keys of a specific index in order.
+     */
+    max(max) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].max = max;
+        return this;
+    }
+    /**
+     * Set the cursor returnKey.
+     * If set to true, modifies the cursor to only return the index field or fields for the results of the query, rather than documents.
+     * If set to true and the query does not use an index to perform the read operation, the returned documents will not contain any fields.
+     *
+     * @param value - the returnKey value.
+     */
+    returnKey(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].returnKey = value;
+        return this;
+    }
+    /**
+     * Modifies the output of a query by adding a field $recordId to matching documents. $recordId is the internal key which uniquely identifies a document in a collection.
+     *
+     * @param value - The $showDiskLoc option has now been deprecated and replaced with the showRecordId field. $showDiskLoc will still be accepted for OP_QUERY stye find.
+     */
+    showRecordId(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].showRecordId = value;
+        return this;
+    }
+    /**
+     * Add a query modifier to the cursor query
+     *
+     * @param name - The query modifier (must start with $, such as $orderby etc)
+     * @param value - The modifier value.
+     */
+    addQueryModifier(name, value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (name[0] !== '$') {
+            throw new error_1.MongoInvalidArgumentError(`${name} is not a valid query modifier`);
+        }
+        // Strip of the $
+        const field = name.substr(1);
+        // NOTE: consider some TS magic for this
+        switch (field) {
+            case 'comment':
+                this[kBuiltOptions].comment = value;
+                break;
+            case 'explain':
+                this[kBuiltOptions].explain = value;
+                break;
+            case 'hint':
+                this[kBuiltOptions].hint = value;
+                break;
+            case 'max':
+                this[kBuiltOptions].max = value;
+                break;
+            case 'maxTimeMS':
+                this[kBuiltOptions].maxTimeMS = value;
+                break;
+            case 'min':
+                this[kBuiltOptions].min = value;
+                break;
+            case 'orderby':
+                this[kBuiltOptions].sort = (0, sort_1.formatSort)(value);
+                break;
+            case 'query':
+                this[kFilter] = value;
+                break;
+            case 'returnKey':
+                this[kBuiltOptions].returnKey = value;
+                break;
+            case 'showDiskLoc':
+                this[kBuiltOptions].showRecordId = value;
+                break;
+            default:
+                throw new error_1.MongoInvalidArgumentError(`Invalid query modifier: ${name}`);
+        }
+        return this;
+    }
+    /**
+     * Add a comment to the cursor query allowing for tracking the comment in the log.
+     *
+     * @param value - The comment attached to this query.
+     */
+    comment(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].comment = value;
+        return this;
+    }
+    /**
+     * Set a maxAwaitTimeMS on a tailing cursor query to allow to customize the timeout value for the option awaitData (Only supported on MongoDB 3.2 or higher, ignored otherwise)
+     *
+     * @param value - Number of milliseconds to wait before aborting the tailed query.
+     */
+    maxAwaitTimeMS(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (typeof value !== 'number') {
+            throw new error_1.MongoInvalidArgumentError('Argument for maxAwaitTimeMS must be a number');
+        }
+        this[kBuiltOptions].maxAwaitTimeMS = value;
+        return this;
+    }
+    /**
+     * Set a maxTimeMS on the cursor query, allowing for hard timeout limits on queries (Only supported on MongoDB 2.6 or higher)
+     *
+     * @param value - Number of milliseconds to wait before aborting the query.
+     */
+    maxTimeMS(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (typeof value !== 'number') {
+            throw new error_1.MongoInvalidArgumentError('Argument for maxTimeMS must be a number');
+        }
+        this[kBuiltOptions].maxTimeMS = value;
+        return this;
+    }
+    /**
+     * Add a project stage to the aggregation pipeline
+     *
+     * @remarks
+     * In order to strictly type this function you must provide an interface
+     * that represents the effect of your projection on the result documents.
+     *
+     * By default chaining a projection to your cursor changes the returned type to the generic
+     * {@link Document} type.
+     * You should specify a parameterized type to have assertions on your final results.
+     *
+     * @example
+     * ```typescript
+     * // Best way
+     * const docs: FindCursor<{ a: number }> = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * // Flexible way
+     * const docs: FindCursor<Document> = cursor.project({ _id: 0, a: true });
+     * ```
+     *
+     * @remarks
+     *
+     * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+     * it **does not** return a new instance of a cursor. This means when calling project,
+     * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+     * Take note of the following example:
+     *
+     * @example
+     * ```typescript
+     * const cursor: FindCursor<{ a: number; b: string }> = coll.find();
+     * const projectCursor = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * const aPropOnlyArray: {a: number}[] = await projectCursor.toArray();
+     *
+     * // or always use chaining and save the final cursor
+     *
+     * const cursor = coll.find().project<{ a: string }>({
+     *   _id: 0,
+     *   a: { $convert: { input: '$a', to: 'string' }
+     * }});
+     * ```
+     */
+    project(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].projection = value;
+        return this;
+    }
+    /**
+     * Sets the sort order of the cursor query.
+     *
+     * @param sort - The key or keys set for the sort.
+     * @param direction - The direction of the sorting (1 or -1).
+     */
+    sort(sort, direction) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (this[kBuiltOptions].tailable) {
+            throw new error_1.MongoTailableCursorError('Tailable cursor does not support sorting');
+        }
+        this[kBuiltOptions].sort = (0, sort_1.formatSort)(sort, direction);
+        return this;
+    }
+    /**
+     * Allows disk use for blocking sort operations exceeding 100MB memory. (MongoDB 3.2 or higher)
+     *
+     * @remarks
+     * {@link https://docs.mongodb.com/manual/reference/command/find/#find-cmd-allowdiskuse | find command allowDiskUse documentation}
+     */
+    allowDiskUse(allow = true) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (!this[kBuiltOptions].sort) {
+            throw new error_1.MongoInvalidArgumentError('Option "allowDiskUse" requires a sort specification');
+        }
+        // As of 6.0 the default is true. This allows users to get back to the old behaviour.
+        if (!allow) {
+            this[kBuiltOptions].allowDiskUse = false;
+            return this;
+        }
+        this[kBuiltOptions].allowDiskUse = true;
+        return this;
+    }
+    /**
+     * Set the collation options for the cursor.
+     *
+     * @param value - The cursor collation options (MongoDB 3.4 or higher) settings for update operation (see 3.4 documentation for available fields).
+     */
+    collation(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        this[kBuiltOptions].collation = value;
+        return this;
+    }
+    /**
+     * Set the limit for the cursor.
+     *
+     * @param value - The limit for the cursor query.
+     */
+    limit(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (this[kBuiltOptions].tailable) {
+            throw new error_1.MongoTailableCursorError('Tailable cursor does not support limit');
+        }
+        if (typeof value !== 'number') {
+            throw new error_1.MongoInvalidArgumentError('Operation "limit" requires an integer');
+        }
+        this[kBuiltOptions].limit = value;
+        return this;
+    }
+    /**
+     * Set the skip for the cursor.
+     *
+     * @param value - The skip for the cursor query.
+     */
+    skip(value) {
+        (0, abstract_cursor_1.assertUninitialized)(this);
+        if (this[kBuiltOptions].tailable) {
+            throw new error_1.MongoTailableCursorError('Tailable cursor does not support skip');
+        }
+        if (typeof value !== 'number') {
+            throw new error_1.MongoInvalidArgumentError('Operation "skip" requires an integer');
+        }
+        this[kBuiltOptions].skip = value;
+        return this;
+    }
+}
+exports.FindCursor = FindCursor;
+//# sourceMappingURL=find_cursor.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cursor/find_cursor.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cursor/find_cursor.js.map
new file mode 100644
index 000000000..494320a58
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cursor/find_cursor.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cursor/list_collections_cursor.js b/node_modules/mongoose/node_modules/mongodb/lib/cursor/list_collections_cursor.js
new file mode 100644
index 000000000..883474b08
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cursor/list_collections_cursor.js
@@ -0,0 +1,37 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ListCollectionsCursor = void 0;
+const execute_operation_1 = require("../operations/execute_operation");
+const list_collections_1 = require("../operations/list_collections");
+const abstract_cursor_1 = require("./abstract_cursor");
+/** @public */
+class ListCollectionsCursor extends abstract_cursor_1.AbstractCursor {
+    constructor(db, filter, options) {
+        super(db.s.client, db.s.namespace, options);
+        this.parent = db;
+        this.filter = filter;
+        this.options = options;
+    }
+    clone() {
+        return new ListCollectionsCursor(this.parent, this.filter, {
+            ...this.options,
+            ...this.cursorOptions
+        });
+    }
+    /** @internal */
+    _initialize(session, callback) {
+        const operation = new list_collections_1.ListCollectionsOperation(this.parent, this.filter, {
+            ...this.cursorOptions,
+            ...this.options,
+            session
+        });
+        (0, execute_operation_1.executeOperation)(this.parent.s.client, operation, (err, response) => {
+            if (err || response == null)
+                return callback(err);
+            // TODO: NODE-2882
+            callback(undefined, { server: operation.server, session, response });
+        });
+    }
+}
+exports.ListCollectionsCursor = ListCollectionsCursor;
+//# sourceMappingURL=list_collections_cursor.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cursor/list_collections_cursor.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cursor/list_collections_cursor.js.map
new file mode 100644
index 000000000..2f8ecbe33
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cursor/list_collections_cursor.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"list_collections_cursor.js","sourceRoot":"","sources":["../../src/cursor/list_collections_cursor.ts"],"names":[],"mappings":";;;AAEA,uEAAoF;AACpF,qEAIwC;AAGxC,uDAAmD;AAEnD,cAAc;AACd,MAAa,qBAIX,SAAQ,gCAAiB;IAKzB,YAAY,EAAM,EAAE,MAAgB,EAAE,OAAgC;QACpE,KAAK,CAAC,EAAE,CAAC,CAAC,CAAC,MAAM,EAAE,EAAE,CAAC,CAAC,CAAC,SAAS,EAAE,OAAO,CAAC,CAAC;QAC5C,IAAI,CAAC,MAAM,GAAG,EAAE,CAAC;QACjB,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;QACrB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IAED,KAAK;QACH,OAAO,IAAI,qBAAqB,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,MAAM,EAAE;YACzD,GAAG,IAAI,CAAC,OAAO;YACf,GAAG,IAAI,CAAC,aAAa;SACtB,CAAC,CAAC;IACL,CAAC;IAED,gBAAgB;IAChB,WAAW,CAAC,OAAkC,EAAE,QAAmC;QACjF,MAAM,SAAS,GAAG,IAAI,2CAAwB,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,MAAM,EAAE;YACvE,GAAG,IAAI,CAAC,aAAa;YACrB,GAAG,IAAI,CAAC,OAAO;YACf,OAAO;SACR,CAAC,CAAC;QAEH,IAAA,oCAAgB,EAAC,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,MAAM,EAAE,SAAS,EAAE,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;YAClE,IAAI,GAAG,IAAI,QAAQ,IAAI,IAAI;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAElD,kBAAkB;YAClB,QAAQ,CAAC,SAAS,EAAE,EAAE,MAAM,EAAE,SAAS,CAAC,MAAM,EAAE,OAAO,EAAE,QAAQ,EAAE,CAAC,CAAC;QACvE,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAtCD,sDAsCC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cursor/list_indexes_cursor.js b/node_modules/mongoose/node_modules/mongodb/lib/cursor/list_indexes_cursor.js
new file mode 100644
index 000000000..7d62d78fd
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cursor/list_indexes_cursor.js
@@ -0,0 +1,36 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ListIndexesCursor = void 0;
+const execute_operation_1 = require("../operations/execute_operation");
+const indexes_1 = require("../operations/indexes");
+const abstract_cursor_1 = require("./abstract_cursor");
+/** @public */
+class ListIndexesCursor extends abstract_cursor_1.AbstractCursor {
+    constructor(collection, options) {
+        super(collection.s.db.s.client, collection.s.namespace, options);
+        this.parent = collection;
+        this.options = options;
+    }
+    clone() {
+        return new ListIndexesCursor(this.parent, {
+            ...this.options,
+            ...this.cursorOptions
+        });
+    }
+    /** @internal */
+    _initialize(session, callback) {
+        const operation = new indexes_1.ListIndexesOperation(this.parent, {
+            ...this.cursorOptions,
+            ...this.options,
+            session
+        });
+        (0, execute_operation_1.executeOperation)(this.parent.s.db.s.client, operation, (err, response) => {
+            if (err || response == null)
+                return callback(err);
+            // TODO: NODE-2882
+            callback(undefined, { server: operation.server, session, response });
+        });
+    }
+}
+exports.ListIndexesCursor = ListIndexesCursor;
+//# sourceMappingURL=list_indexes_cursor.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/cursor/list_indexes_cursor.js.map b/node_modules/mongoose/node_modules/mongodb/lib/cursor/list_indexes_cursor.js.map
new file mode 100644
index 000000000..f17b57685
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/cursor/list_indexes_cursor.js.map
@@ -0,0 +1 @@
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diff --git a/node_modules/mongoose/node_modules/mongodb/lib/db.js b/node_modules/mongoose/node_modules/mongodb/lib/db.js
new file mode 100644
index 000000000..18b837bf1
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/db.js
@@ -0,0 +1,334 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Db = void 0;
+const admin_1 = require("./admin");
+const bson_1 = require("./bson");
+const change_stream_1 = require("./change_stream");
+const collection_1 = require("./collection");
+const CONSTANTS = require("./constants");
+const aggregation_cursor_1 = require("./cursor/aggregation_cursor");
+const list_collections_cursor_1 = require("./cursor/list_collections_cursor");
+const error_1 = require("./error");
+const logger_1 = require("./logger");
+const add_user_1 = require("./operations/add_user");
+const collections_1 = require("./operations/collections");
+const create_collection_1 = require("./operations/create_collection");
+const drop_1 = require("./operations/drop");
+const execute_operation_1 = require("./operations/execute_operation");
+const indexes_1 = require("./operations/indexes");
+const profiling_level_1 = require("./operations/profiling_level");
+const remove_user_1 = require("./operations/remove_user");
+const rename_1 = require("./operations/rename");
+const run_command_1 = require("./operations/run_command");
+const set_profiling_level_1 = require("./operations/set_profiling_level");
+const stats_1 = require("./operations/stats");
+const read_concern_1 = require("./read_concern");
+const read_preference_1 = require("./read_preference");
+const utils_1 = require("./utils");
+const write_concern_1 = require("./write_concern");
+// Allowed parameters
+const DB_OPTIONS_ALLOW_LIST = [
+    'writeConcern',
+    'readPreference',
+    'readPreferenceTags',
+    'native_parser',
+    'forceServerObjectId',
+    'pkFactory',
+    'serializeFunctions',
+    'raw',
+    'authSource',
+    'ignoreUndefined',
+    'readConcern',
+    'retryMiliSeconds',
+    'numberOfRetries',
+    'loggerLevel',
+    'logger',
+    'promoteBuffers',
+    'promoteLongs',
+    'bsonRegExp',
+    'enableUtf8Validation',
+    'promoteValues',
+    'compression',
+    'retryWrites'
+];
+/**
+ * The **Db** class is a class that represents a MongoDB Database.
+ * @public
+ *
+ * @example
+ * ```js
+ * const { MongoClient } = require('mongodb');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, client) {
+ *   // Select the database by name
+ *   const testDb = client.db(dbName);
+ *   client.close();
+ * });
+ * ```
+ */
+class Db {
+    /**
+     * Creates a new Db instance
+     *
+     * @param client - The MongoClient for the database.
+     * @param databaseName - The name of the database this instance represents.
+     * @param options - Optional settings for Db construction
+     */
+    constructor(client, databaseName, options) {
+        var _a;
+        options = options !== null && options !== void 0 ? options : {};
+        // Filter the options
+        options = (0, utils_1.filterOptions)(options, DB_OPTIONS_ALLOW_LIST);
+        // Ensure we have a valid db name
+        validateDatabaseName(databaseName);
+        // Internal state of the db object
+        this.s = {
+            // Client
+            client,
+            // Options
+            options,
+            // Logger instance
+            logger: new logger_1.Logger('Db', options),
+            // Unpack read preference
+            readPreference: read_preference_1.ReadPreference.fromOptions(options),
+            // Merge bson options
+            bsonOptions: (0, bson_1.resolveBSONOptions)(options, client),
+            // Set up the primary key factory or fallback to ObjectId
+            pkFactory: (_a = options === null || options === void 0 ? void 0 : options.pkFactory) !== null && _a !== void 0 ? _a : utils_1.DEFAULT_PK_FACTORY,
+            // ReadConcern
+            readConcern: read_concern_1.ReadConcern.fromOptions(options),
+            writeConcern: write_concern_1.WriteConcern.fromOptions(options),
+            // Namespace
+            namespace: new utils_1.MongoDBNamespace(databaseName)
+        };
+    }
+    get databaseName() {
+        return this.s.namespace.db;
+    }
+    // Options
+    get options() {
+        return this.s.options;
+    }
+    /**
+     * slaveOk specified
+     * @deprecated Use secondaryOk instead
+     */
+    get slaveOk() {
+        return this.secondaryOk;
+    }
+    /**
+     * Check if a secondary can be used (because the read preference is *not* set to primary)
+     */
+    get secondaryOk() {
+        var _a;
+        return ((_a = this.s.readPreference) === null || _a === void 0 ? void 0 : _a.preference) !== 'primary' || false;
+    }
+    get readConcern() {
+        return this.s.readConcern;
+    }
+    /**
+     * The current readPreference of the Db. If not explicitly defined for
+     * this Db, will be inherited from the parent MongoClient
+     */
+    get readPreference() {
+        if (this.s.readPreference == null) {
+            return this.s.client.readPreference;
+        }
+        return this.s.readPreference;
+    }
+    get bsonOptions() {
+        return this.s.bsonOptions;
+    }
+    // get the write Concern
+    get writeConcern() {
+        return this.s.writeConcern;
+    }
+    get namespace() {
+        return this.s.namespace.toString();
+    }
+    createCollection(name, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new create_collection_1.CreateCollectionOperation(this, name, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    command(command, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        // Intentionally, we do not inherit options from parent for this operation.
+        return (0, execute_operation_1.executeOperation)(this.s.client, new run_command_1.RunCommandOperation(this, command, options !== null && options !== void 0 ? options : {}), callback);
+    }
+    /**
+     * Execute an aggregation framework pipeline against the database, needs MongoDB \>= 3.6
+     *
+     * @param pipeline - An array of aggregation stages to be executed
+     * @param options - Optional settings for the command
+     */
+    aggregate(pipeline = [], options) {
+        if (arguments.length > 2) {
+            throw new error_1.MongoInvalidArgumentError('Method "db.aggregate()" accepts at most two arguments');
+        }
+        if (typeof pipeline === 'function') {
+            throw new error_1.MongoInvalidArgumentError('Argument "pipeline" must not be function');
+        }
+        if (typeof options === 'function') {
+            throw new error_1.MongoInvalidArgumentError('Argument "options" must not be function');
+        }
+        return new aggregation_cursor_1.AggregationCursor(this.s.client, this.s.namespace, pipeline, (0, utils_1.resolveOptions)(this, options));
+    }
+    /** Return the Admin db instance */
+    admin() {
+        return new admin_1.Admin(this);
+    }
+    /**
+     * Returns a reference to a MongoDB Collection. If it does not exist it will be created implicitly.
+     *
+     * @param name - the collection name we wish to access.
+     * @returns return the new Collection instance
+     */
+    collection(name, options = {}) {
+        if (typeof options === 'function') {
+            throw new error_1.MongoInvalidArgumentError('The callback form of this helper has been removed.');
+        }
+        const finalOptions = (0, utils_1.resolveOptions)(this, options);
+        return new collection_1.Collection(this, name, finalOptions);
+    }
+    stats(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new stats_1.DbStatsOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    listCollections(filter = {}, options = {}) {
+        return new list_collections_cursor_1.ListCollectionsCursor(this, filter, (0, utils_1.resolveOptions)(this, options));
+    }
+    renameCollection(fromCollection, toCollection, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        // Intentionally, we do not inherit options from parent for this operation.
+        options = { ...options, readPreference: read_preference_1.ReadPreference.PRIMARY };
+        // Add return new collection
+        options.new_collection = true;
+        return (0, execute_operation_1.executeOperation)(this.s.client, new rename_1.RenameOperation(this.collection(fromCollection), toCollection, options), callback);
+    }
+    dropCollection(name, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new drop_1.DropCollectionOperation(this, name, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    dropDatabase(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new drop_1.DropDatabaseOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    collections(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new collections_1.CollectionsOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    createIndex(name, indexSpec, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new indexes_1.CreateIndexOperation(this, name, indexSpec, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    addUser(username, password, options, callback) {
+        if (typeof password === 'function') {
+            (callback = password), (password = undefined), (options = {});
+        }
+        else if (typeof password !== 'string') {
+            if (typeof options === 'function') {
+                (callback = options), (options = password), (password = undefined);
+            }
+            else {
+                (options = password), (callback = undefined), (password = undefined);
+            }
+        }
+        else {
+            if (typeof options === 'function')
+                (callback = options), (options = {});
+        }
+        return (0, execute_operation_1.executeOperation)(this.s.client, new add_user_1.AddUserOperation(this, username, password, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    removeUser(username, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new remove_user_1.RemoveUserOperation(this, username, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    setProfilingLevel(level, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new set_profiling_level_1.SetProfilingLevelOperation(this, level, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    profilingLevel(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new profiling_level_1.ProfilingLevelOperation(this, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    indexInformation(name, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        return (0, execute_operation_1.executeOperation)(this.s.client, new indexes_1.IndexInformationOperation(this, name, (0, utils_1.resolveOptions)(this, options)), callback);
+    }
+    /**
+     * Unref all sockets
+     * @deprecated This function is deprecated and will be removed in the next major version.
+     */
+    unref() {
+        (0, utils_1.getTopology)(this).unref();
+    }
+    /**
+     * Create a new Change Stream, watching for new changes (insertions, updates,
+     * replacements, deletions, and invalidations) in this database. Will ignore all
+     * changes to system collections.
+     *
+     * @remarks
+     * watch() accepts two generic arguments for distinct usecases:
+     * - The first is to provide the schema that may be defined for all the collections within this database
+     * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+     *
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+     * @param options - Optional settings for the command
+     * @typeParam TSchema - Type of the data being detected by the change stream
+     * @typeParam TChange - Type of the whole change stream document emitted
+     */
+    watch(pipeline = [], options = {}) {
+        // Allow optionally not specifying a pipeline
+        if (!Array.isArray(pipeline)) {
+            options = pipeline;
+            pipeline = [];
+        }
+        return new change_stream_1.ChangeStream(this, pipeline, (0, utils_1.resolveOptions)(this, options));
+    }
+    /** Return the db logger */
+    getLogger() {
+        return this.s.logger;
+    }
+    get logger() {
+        return this.s.logger;
+    }
+}
+exports.Db = Db;
+Db.SYSTEM_NAMESPACE_COLLECTION = CONSTANTS.SYSTEM_NAMESPACE_COLLECTION;
+Db.SYSTEM_INDEX_COLLECTION = CONSTANTS.SYSTEM_INDEX_COLLECTION;
+Db.SYSTEM_PROFILE_COLLECTION = CONSTANTS.SYSTEM_PROFILE_COLLECTION;
+Db.SYSTEM_USER_COLLECTION = CONSTANTS.SYSTEM_USER_COLLECTION;
+Db.SYSTEM_COMMAND_COLLECTION = CONSTANTS.SYSTEM_COMMAND_COLLECTION;
+Db.SYSTEM_JS_COLLECTION = CONSTANTS.SYSTEM_JS_COLLECTION;
+// TODO(NODE-3484): Refactor into MongoDBNamespace
+// Validate the database name
+function validateDatabaseName(databaseName) {
+    if (typeof databaseName !== 'string')
+        throw new error_1.MongoInvalidArgumentError('Database name must be a string');
+    if (databaseName.length === 0)
+        throw new error_1.MongoInvalidArgumentError('Database name cannot be the empty string');
+    if (databaseName === '$external')
+        return;
+    const invalidChars = [' ', '.', '$', '/', '\\'];
+    for (let i = 0; i < invalidChars.length; i++) {
+        if (databaseName.indexOf(invalidChars[i]) !== -1)
+            throw new error_1.MongoAPIError(`database names cannot contain the character '${invalidChars[i]}'`);
+    }
+}
+//# sourceMappingURL=db.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/db.js.map b/node_modules/mongoose/node_modules/mongodb/lib/db.js.map
new file mode 100644
index 000000000..534c74a6c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/db.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"db.js","sourceRoot":"","sources":["../src/db.ts"],"names":[],"mappings":";;;AAAA,mCAAgC;AAChC,iCAA4E;AAC5E,mDAA0F;AAC1F,6CAA6D;AAC7D,yCAAyC;AACzC,oEAAgE;AAChE,8EAAyE;AACzE,mCAAmE;AACnE,qCAAiD;AAGjD,oDAAyE;AAEzE,0DAAgE;AAEhE,sEAAoG;AACpG,4CAK2B;AAC3B,sEAAkE;AAClE,kDAK8B;AAE9B,kEAA8F;AAC9F,0DAAkF;AAClF,gDAAqE;AACrE,0DAAkF;AAClF,0EAI0C;AAC1C,8CAAsE;AACtE,iDAA6C;AAC7C,uDAAuE;AACvE,mCAOiB;AACjB,mDAAoE;AAEpE,qBAAqB;AACrB,MAAM,qBAAqB,GAAG;IAC5B,cAAc;IACd,gBAAgB;IAChB,oBAAoB;IACpB,eAAe;IACf,qBAAqB;IACrB,WAAW;IACX,oBAAoB;IACpB,KAAK;IACL,YAAY;IACZ,iBAAiB;IACjB,aAAa;IACb,kBAAkB;IAClB,iBAAiB;IACjB,aAAa;IACb,QAAQ;IACR,gBAAgB;IAChB,cAAc;IACd,YAAY;IACZ,sBAAsB;IACtB,eAAe;IACf,aAAa;IACb,aAAa;CACd,CAAC;AA+BF;;;;;;;;;;;;;;;;;;GAkBG;AACH,MAAa,EAAE;IAWb;;;;;;OAMG;IACH,YAAY,MAAmB,EAAE,YAAoB,EAAE,OAAmB;;QACxE,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAExB,qBAAqB;QACrB,OAAO,GAAG,IAAA,qBAAa,EAAC,OAAO,EAAE,qBAAqB,CAAC,CAAC;QAExD,iCAAiC;QACjC,oBAAoB,CAAC,YAAY,CAAC,CAAC;QAEnC,kCAAkC;QAClC,IAAI,CAAC,CAAC,GAAG;YACP,SAAS;YACT,MAAM;YACN,UAAU;YACV,OAAO;YACP,kBAAkB;YAClB,MAAM,EAAE,IAAI,eAAM,CAAC,IAAI,EAAE,OAAO,CAAC;YACjC,yBAAyB;YACzB,cAAc,EAAE,gCAAc,CAAC,WAAW,CAAC,OAAO,CAAC;YACnD,qBAAqB;YACrB,WAAW,EAAE,IAAA,yBAAkB,EAAC,OAAO,EAAE,MAAM,CAAC;YAChD,yDAAyD;YACzD,SAAS,EAAE,MAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,SAAS,mCAAI,0BAAkB;YACnD,cAAc;YACd,WAAW,EAAE,0BAAW,CAAC,WAAW,CAAC,OAAO,CAAC;YAC7C,YAAY,EAAE,4BAAY,CAAC,WAAW,CAAC,OAAO,CAAC;YAC/C,YAAY;YACZ,SAAS,EAAE,IAAI,wBAAgB,CAAC,YAAY,CAAC;SAC9C,CAAC;IACJ,CAAC;IAED,IAAI,YAAY;QACd,OAAO,IAAI,CAAC,CAAC,CAAC,SAAS,CAAC,EAAE,CAAC;IAC7B,CAAC;IAED,UAAU;IACV,IAAI,OAAO;QACT,OAAO,IAAI,CAAC,CAAC,CAAC,OAAO,CAAC;IACxB,CAAC;IAED;;;OAGG;IACH,IAAI,OAAO;QACT,OAAO,IAAI,CAAC,WAAW,CAAC;IAC1B,CAAC;IAED;;OAEG;IACH,IAAI,WAAW;;QACb,OAAO,CAAA,MAAA,IAAI,CAAC,CAAC,CAAC,cAAc,0CAAE,UAAU,MAAK,SAAS,IAAI,KAAK,CAAC;IAClE,CAAC;IAED,IAAI,WAAW;QACb,OAAO,IAAI,CAAC,CAAC,CAAC,WAAW,CAAC;IAC5B,CAAC;IAED;;;OAGG;IACH,IAAI,cAAc;QAChB,IAAI,IAAI,CAAC,CAAC,CAAC,cAAc,IAAI,IAAI,EAAE;YACjC,OAAO,IAAI,CAAC,CAAC,CAAC,MAAM,CAAC,cAAc,CAAC;SACrC;QAED,OAAO,IAAI,CAAC,CAAC,CAAC,cAAc,CAAC;IAC/B,CAAC;IAED,IAAI,WAAW;QACb,OAAO,IAAI,CAAC,CAAC,CAAC,WAAW,CAAC;IAC5B,CAAC;IAED,wBAAwB;IACxB,IAAI,YAAY;QACd,OAAO,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC;IAC7B,CAAC;IAED,IAAI,SAAS;QACX,OAAO,IAAI,CAAC,CAAC,CAAC,SAAS,CAAC,QAAQ,EAAE,CAAC;IACrC,CAAC;IAuBD,gBAAgB,CACd,IAAY,EACZ,OAAwD,EACxD,QAA+B;QAE/B,IAAI,OAAO,OAAO,KAAK,UAAU;YAAE,CAAC,QAAQ,GAAG,OAAO,CAAC,EAAE,CAAC,OAAO,GAAG,EAAE,CAAC,CAAC;QAExE,OAAO,IAAA,oCAAgB,EACrB,IAAI,CAAC,CAAC,CAAC,MAAM,EACb,IAAI,6CAAyB,CAAC,IAAI,EAAE,IAAI,EAAE,IAAA,sBAAc,EAAC,IAAI,EAAE,OAAO,CAAC,CAAmB,EAC1F,QAAQ,CACS,CAAC;IACtB,CAAC;IAgBD,OAAO,CACL,OAAiB,EACjB,OAAgD,EAChD,QAA6B;QAE7B,IAAI,OAAO,OAAO,KAAK,UAAU;YAAE,CAAC,QAAQ,GAAG,OAAO,CAAC,EAAE,CAAC,OAAO,GAAG,EAAE,CAAC,CAAC;QAExE,2EAA2E;QAC3E,OAAO,IAAA,oCAAgB,EACrB,IAAI,CAAC,CAAC,CAAC,MAAM,EACb,IAAI,iCAAmB,CAAC,IAAI,EAAE,OAAO,EAAE,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC,EACrD,QAAQ,CACT,CAAC;IACJ,CAAC;IAED;;;;;OAKG;IACH,SAAS,CACP,WAAuB,EAAE,EACzB,OAA0B;QAE1B,IAAI,SAAS,CAAC,MAAM,GAAG,CAAC,EAAE;YACxB,MAAM,IAAI,iCAAyB,CAAC,uDAAuD,CAAC,CAAC;SAC9F;QACD,IAAI,OAAO,QAAQ,KAAK,UAAU,EAAE;YAClC,MAAM,IAAI,iCAAyB,CAAC,0CAA0C,CAAC,CAAC;SACjF;QACD,IAAI,OAAO,OAAO,KAAK,UAAU,EAAE;YACjC,MAAM,IAAI,iCAAyB,CAAC,yCAAyC,CAAC,CAAC;SAChF;QAED,OAAO,IAAI,sCAAiB,CAC1B,IAAI,CAAC,CAAC,CAAC,MAAM,EACb,IAAI,CAAC,CAAC,CAAC,SAAS,EAChB,QAAQ,EACR,IAAA,sBAAc,EAAC,IAAI,EAAE,OAAO,CAAC,CAC9B,CAAC;IACJ,CAAC;IAED,mCAAmC;IACnC,KAAK;QACH,OAAO,IAAI,aAAK,CAAC,IAAI,CAAC,CAAC;IACzB,CAAC;IAED;;;;;OAKG;IACH,UAAU,CACR,IAAY,EACZ,UAA6B,EAAE;QAE/B,IAAI,OAAO,OAAO,KAAK,UAAU,EAAE;YACjC,MAAM,IAAI,iCAAyB,CAAC,oDAAoD,CAAC,CAAC;SAC3F;QACD,MAAM,YAAY,GAAG,IAAA,sBAAc,EAAC,IAAI,EAAE,OAAO,CAAC,CAAC;QACnD,OAAO,IAAI,uBAAU,CAAU,IAAI,EAAE,IAAI,EAAE,YAAY,CAAC,CAAC;IAC3D,CAAC;IAYD,KAAK,CACH,OAA6C,EAC7C,QAA6B;QAE7B,IAAI,OAAO,OAAO,KAAK,UAAU;YAAE,CAAC,QAAQ,GAAG,OAAO,CAAC,EAAE,CAAC,OAAO,GAAG,EAAE,CAAC,CAAC;QACxE,OAAO,IAAA,oCAAgB,EACrB,IAAI,CAAC,CAAC,CAAC,MAAM,EACb,IAAI,wBAAgB,CAAC,IAAI,EAAE,IAAA,sBAAc,EAAC,IAAI,EAAE,OAAO,CAAC,CAAC,EACzD,QAAQ,CACT,CAAC;IACJ,CAAC;IAqBD,eAAe,CAIb,SAAmB,EAAE,EAAE,UAAkC,EAAE;QAC3D,OAAO,IAAI,+CAAqB,CAAI,IAAI,EAAE,MAAM,EAAE,IAAA,sBAAc,EAAC,IAAI,EAAE,OAAO,CAAC,CAAC,CAAC;IACnF,CAAC;IAiCD,gBAAgB,CACd,cAAsB,EACtB,YAAoB,EACpB,OAAuD,EACvD,QAAwC;QAExC,IAAI,OAAO,OAAO,KAAK,UAAU;YAAE,CAAC,QAAQ,GAAG,OAAO,CAAC,EAAE,CAAC,OAAO,GAAG,EAAE,CAAC,CAAC;QAExE,2EAA2E;QAC3E,OAAO,GAAG,EAAE,GAAG,OAAO,EAAE,cAAc,EAAE,gCAAc,CAAC,OAAO,EAAE,CAAC;QAEjE,4BAA4B;QAC5B,OAAO,CAAC,cAAc,GAAG,IAAI,CAAC;QAE9B,OAAO,IAAA,oCAAgB,EACrB,IAAI,CAAC,CAAC,CAAC,MAAM,EACb,IAAI,wBAAe,CACjB,IAAI,CAAC,UAAU,CAAU,cAAc,CAAmB,EAC1D,YAAY,EACZ,OAAO,CACU,EACnB,QAAQ,CACT,CAAC;IACJ,CAAC;IAaD,cAAc,CACZ,IAAY,EACZ,OAAmD,EACnD,QAA4B;QAE5B,IAAI,OAAO,OAAO,KAAK,UAAU;YAAE,CAAC,QAAQ,GAAG,OAAO,CAAC,EAAE,CAAC,OAAO,GAAG,EAAE,CAAC,CAAC;QAExE,OAAO,IAAA,oCAAgB,EACrB,IAAI,CAAC,CAAC,CAAC,MAAM,EACb,IAAI,8BAAuB,CAAC,IAAI,EAAE,IAAI,EAAE,IAAA,sBAAc,EAAC,IAAI,EAAE,OAAO,CAAC,CAAC,EACtE,QAAQ,CACT,CAAC;IACJ,CAAC;IAYD,YAAY,CACV,OAAi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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/deps.js b/node_modules/mongoose/node_modules/mongodb/lib/deps.js
new file mode 100644
index 000000000..6a73e6322
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/deps.js
@@ -0,0 +1,63 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AutoEncryptionLoggerLevel = exports.aws4 = exports.saslprep = exports.Snappy = exports.ZStandard = exports.Kerberos = exports.PKG_VERSION = void 0;
+const error_1 = require("./error");
+const utils_1 = require("./utils");
+exports.PKG_VERSION = Symbol('kPkgVersion');
+function makeErrorModule(error) {
+    const props = error ? { kModuleError: error } : {};
+    return new Proxy(props, {
+        get: (_, key) => {
+            if (key === 'kModuleError') {
+                return error;
+            }
+            throw error;
+        },
+        set: () => {
+            throw error;
+        }
+    });
+}
+exports.Kerberos = makeErrorModule(new error_1.MongoMissingDependencyError('Optional module `kerberos` not found. Please install it to enable kerberos authentication'));
+try {
+    // Ensure you always wrap an optional require in the try block NODE-3199
+    exports.Kerberos = require('kerberos');
+}
+catch { } // eslint-disable-line
+exports.ZStandard = makeErrorModule(new error_1.MongoMissingDependencyError('Optional module `@mongodb-js/zstd` not found. Please install it to enable zstd compression'));
+try {
+    exports.ZStandard = require('@mongodb-js/zstd');
+}
+catch { } // eslint-disable-line
+exports.Snappy = makeErrorModule(new error_1.MongoMissingDependencyError('Optional module `snappy` not found. Please install it to enable snappy compression'));
+try {
+    // Ensure you always wrap an optional require in the try block NODE-3199
+    exports.Snappy = require('snappy');
+    try {
+        exports.Snappy[exports.PKG_VERSION] = (0, utils_1.parsePackageVersion)(require('snappy/package.json'));
+    }
+    catch { } // eslint-disable-line
+}
+catch { } // eslint-disable-line
+exports.saslprep = makeErrorModule(new error_1.MongoMissingDependencyError('Optional module `saslprep` not found.' +
+    ' Please install it to enable Stringprep Profile for User Names and Passwords'));
+try {
+    // Ensure you always wrap an optional require in the try block NODE-3199
+    exports.saslprep = require('saslprep');
+}
+catch { } // eslint-disable-line
+exports.aws4 = makeErrorModule(new error_1.MongoMissingDependencyError('Optional module `aws4` not found. Please install it to enable AWS authentication'));
+try {
+    // Ensure you always wrap an optional require in the try block NODE-3199
+    exports.aws4 = require('aws4');
+}
+catch { } // eslint-disable-line
+/** @public */
+exports.AutoEncryptionLoggerLevel = Object.freeze({
+    FatalError: 0,
+    Error: 1,
+    Warning: 2,
+    Info: 3,
+    Trace: 4
+});
+//# sourceMappingURL=deps.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/deps.js.map b/node_modules/mongoose/node_modules/mongodb/lib/deps.js.map
new file mode 100644
index 000000000..cd11aec10
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/deps.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"deps.js","sourceRoot":"","sources":["../src/deps.ts"],"names":[],"mappings":";;;AAGA,mCAAsD;AAEtD,mCAAwD;AAE3C,QAAA,WAAW,GAAG,MAAM,CAAC,aAAa,CAAC,CAAC;AAEjD,SAAS,eAAe,CAAC,KAAU;IACjC,MAAM,KAAK,GAAG,KAAK,CAAC,CAAC,CAAC,EAAE,YAAY,EAAE,KAAK,EAAE,CAAC,CAAC,CAAC,EAAE,CAAC;IACnD,OAAO,IAAI,KAAK,CAAC,KAAK,EAAE;QACtB,GAAG,EAAE,CAAC,CAAM,EAAE,GAAQ,EAAE,EAAE;YACxB,IAAI,GAAG,KAAK,cAAc,EAAE;gBAC1B,OAAO,KAAK,CAAC;aACd;YACD,MAAM,KAAK,CAAC;QACd,CAAC;QACD,GAAG,EAAE,GAAG,EAAE;YACR,MAAM,KAAK,CAAC;QACd,CAAC;KACF,CAAC,CAAC;AACL,CAAC;AAEU,QAAA,QAAQ,GACjB,eAAe,CACb,IAAI,mCAA2B,CAC7B,2FAA2F,CAC5F,CACF,CAAC;AAEJ,IAAI;IACF,wEAAwE;IACxE,gBAAQ,GAAG,OAAO,CAAC,UAAU,CAAC,CAAC;CAChC;AAAC,MAAM,GAAE,CAAC,sBAAsB;AAwBtB,QAAA,SAAS,GAClB,eAAe,CACb,IAAI,mCAA2B,CAC7B,4FAA4F,CAC7F,CACF,CAAC;AAEJ,IAAI;IACF,iBAAS,GAAG,OAAO,CAAC,kBAAkB,CAAC,CAAC;CACzC;AAAC,MAAM,GAAE,CAAC,sBAAsB;AAgCtB,QAAA,MAAM,GAA8D,eAAe,CAC5F,IAAI,mCAA2B,CAC7B,oFAAoF,CACrF,CACF,CAAC;AAEF,IAAI;IACF,wEAAwE;IACxE,cAAM,GAAG,OAAO,CAAC,QAAQ,CAAC,CAAC;IAC3B,IAAI;QACD,cAAc,CAAC,mBAAW,CAAC,GAAG,IAAA,2BAAmB,EAAC,OAAO,CAAC,qBAAqB,CAAC,CAAC,CAAC;KACpF;IAAC,MAAM,GAAE,CAAC,sBAAsB;CAClC;AAAC,MAAM,GAAE,CAAC,sBAAsB;AAEtB,QAAA,QAAQ,GACjB,eAAe,CACb,IAAI,mCAA2B,CAC7B,uCAAuC;IACrC,8EAA8E,CACjF,CACF,CAAC;AAEJ,IAAI;IACF,wEAAwE;IACxE,gBAAQ,GAAG,OAAO,CAAC,UAAU,CAAC,CAAC;CAChC;AAAC,MAAM,GAAE,CAAC,sBAAsB;AA2CtB,QAAA,IAAI,GAAyD,eAAe,CACrF,IAAI,mCAA2B,CAC7B,kFAAkF,CACnF,CACF,CAAC;AAEF,IAAI;IACF,wEAAwE;IACxE,YAAI,GAAG,OAAO,CAAC,MAAM,CAAC,CAAC;CACxB;AAAC,MAAM,GAAE,CAAC,sBAAsB;AAEjC,cAAc;AACD,QAAA,yBAAyB,GAAG,MAAM,CAAC,MAAM,CAAC;IACrD,UAAU,EAAE,CAAC;IACb,KAAK,EAAE,CAAC;IACR,OAAO,EAAE,CAAC;IACV,IAAI,EAAE,CAAC;IACP,KAAK,EAAE,CAAC;CACA,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/encrypter.js b/node_modules/mongoose/node_modules/mongodb/lib/encrypter.js
new file mode 100644
index 000000000..c04fba551
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/encrypter.js
@@ -0,0 +1,109 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Encrypter = void 0;
+/* eslint-disable @typescript-eslint/no-var-requires */
+const bson_1 = require("./bson");
+const constants_1 = require("./constants");
+const error_1 = require("./error");
+const mongo_client_1 = require("./mongo_client");
+const utils_1 = require("./utils");
+let AutoEncrypterClass;
+/** @internal */
+const kInternalClient = Symbol('internalClient');
+/** @internal */
+class Encrypter {
+    constructor(client, uri, options) {
+        if (typeof options.autoEncryption !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Option "autoEncryption" must be specified');
+        }
+        // initialize to null, if we call getInternalClient, we may set this it is important to not overwrite those function calls.
+        this[kInternalClient] = null;
+        this.bypassAutoEncryption = !!options.autoEncryption.bypassAutoEncryption;
+        this.needsConnecting = false;
+        if (options.maxPoolSize === 0 && options.autoEncryption.keyVaultClient == null) {
+            options.autoEncryption.keyVaultClient = client;
+        }
+        else if (options.autoEncryption.keyVaultClient == null) {
+            options.autoEncryption.keyVaultClient = this.getInternalClient(client, uri, options);
+        }
+        if (this.bypassAutoEncryption) {
+            options.autoEncryption.metadataClient = undefined;
+        }
+        else if (options.maxPoolSize === 0) {
+            options.autoEncryption.metadataClient = client;
+        }
+        else {
+            options.autoEncryption.metadataClient = this.getInternalClient(client, uri, options);
+        }
+        if (options.proxyHost) {
+            options.autoEncryption.proxyOptions = {
+                proxyHost: options.proxyHost,
+                proxyPort: options.proxyPort,
+                proxyUsername: options.proxyUsername,
+                proxyPassword: options.proxyPassword
+            };
+        }
+        options.autoEncryption.bson = Object.create(null);
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        options.autoEncryption.bson.serialize = bson_1.serialize;
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        options.autoEncryption.bson.deserialize = bson_1.deserialize;
+        this.autoEncrypter = new AutoEncrypterClass(client, options.autoEncryption);
+    }
+    getInternalClient(client, uri, options) {
+        // TODO(NODE-4144): Remove new variable for type narrowing
+        let internalClient = this[kInternalClient];
+        if (internalClient == null) {
+            const clonedOptions = {};
+            for (const key of [
+                ...Object.getOwnPropertyNames(options),
+                ...Object.getOwnPropertySymbols(options)
+            ]) {
+                if (['autoEncryption', 'minPoolSize', 'servers', 'caseTranslate', 'dbName'].includes(key))
+                    continue;
+                Reflect.set(clonedOptions, key, Reflect.get(options, key));
+            }
+            clonedOptions.minPoolSize = 0;
+            internalClient = new mongo_client_1.MongoClient(uri, clonedOptions);
+            this[kInternalClient] = internalClient;
+            for (const eventName of constants_1.MONGO_CLIENT_EVENTS) {
+                for (const listener of client.listeners(eventName)) {
+                    internalClient.on(eventName, listener);
+                }
+            }
+            client.on('newListener', (eventName, listener) => {
+                internalClient === null || internalClient === void 0 ? void 0 : internalClient.on(eventName, listener);
+            });
+            this.needsConnecting = true;
+        }
+        return internalClient;
+    }
+    connectInternalClient(callback) {
+        // TODO(NODE-4144): Remove new variable for type narrowing
+        const internalClient = this[kInternalClient];
+        if (this.needsConnecting && internalClient != null) {
+            this.needsConnecting = false;
+            return internalClient.connect(callback);
+        }
+        return callback();
+    }
+    close(client, force, callback) {
+        this.autoEncrypter.teardown(!!force, e => {
+            const internalClient = this[kInternalClient];
+            if (internalClient != null && client !== internalClient) {
+                return internalClient.close(force, callback);
+            }
+            callback(e);
+        });
+    }
+    static checkForMongoCrypt() {
+        const mongodbClientEncryption = (0, utils_1.getMongoDBClientEncryption)();
+        if (mongodbClientEncryption == null) {
+            throw new error_1.MongoMissingDependencyError('Auto-encryption requested, but the module is not installed. ' +
+                'Please add `mongodb-client-encryption` as a dependency of your project');
+        }
+        AutoEncrypterClass = mongodbClientEncryption.extension(require('../lib/index')).AutoEncrypter;
+    }
+}
+exports.Encrypter = Encrypter;
+//# sourceMappingURL=encrypter.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/encrypter.js.map b/node_modules/mongoose/node_modules/mongodb/lib/encrypter.js.map
new file mode 100644
index 000000000..ab6dbc0c1
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/encrypter.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"encrypter.js","sourceRoot":"","sources":["../src/encrypter.ts"],"names":[],"mappings":";;;AAAA,uDAAuD;AACvD,iCAAgD;AAChD,2CAAkD;AAElD,mCAAiF;AACjF,iDAAiE;AACjE,mCAA+D;AAE/D,IAAI,kBAA0F,CAAC;AAE/F,gBAAgB;AAChB,MAAM,eAAe,GAAG,MAAM,CAAC,gBAAgB,CAAC,CAAC;AAQjD,gBAAgB;AAChB,MAAa,SAAS;IAMpB,YAAY,MAAmB,EAAE,GAAW,EAAE,OAA2B;QACvE,IAAI,OAAO,OAAO,CAAC,cAAc,KAAK,QAAQ,EAAE;YAC9C,MAAM,IAAI,iCAAyB,CAAC,2CAA2C,CAAC,CAAC;SAClF;QACD,2HAA2H;QAC3H,IAAI,CAAC,eAAe,CAAC,GAAG,IAAI,CAAC;QAE7B,IAAI,CAAC,oBAAoB,GAAG,CAAC,CAAC,OAAO,CAAC,cAAc,CAAC,oBAAoB,CAAC;QAC1E,IAAI,CAAC,eAAe,GAAG,KAAK,CAAC;QAE7B,IAAI,OAAO,CAAC,WAAW,KAAK,CAAC,IAAI,OAAO,CAAC,cAAc,CAAC,cAAc,IAAI,IAAI,EAAE;YAC9E,OAAO,CAAC,cAAc,CAAC,cAAc,GAAG,MAAM,CAAC;SAChD;aAAM,IAAI,OAAO,CAAC,cAAc,CAAC,cAAc,IAAI,IAAI,EAAE;YACxD,OAAO,CAAC,cAAc,CAAC,cAAc,GAAG,IAAI,CAAC,iBAAiB,CAAC,MAAM,EAAE,GAAG,EAAE,OAAO,CAAC,CAAC;SACtF;QAED,IAAI,IAAI,CAAC,oBAAoB,EAAE;YAC7B,OAAO,CAAC,cAAc,CAAC,cAAc,GAAG,SAAS,CAAC;SACnD;aAAM,IAAI,OAAO,CAAC,WAAW,KAAK,CAAC,EAAE;YACpC,OAAO,CAAC,cAAc,CAAC,cAAc,GAAG,MAAM,CAAC;SAChD;aAAM;YACL,OAAO,CAAC,cAAc,CAAC,cAAc,GAAG,IAAI,CAAC,iBAAiB,CAAC,MAAM,EAAE,GAAG,EAAE,OAAO,CAAC,CAAC;SACtF;QAED,IAAI,OAAO,CAAC,SAAS,EAAE;YACrB,OAAO,CAAC,cAAc,CAAC,YAAY,GAAG;gBACpC,SAAS,EAAE,OAAO,CAAC,SAAS;gBAC5B,SAAS,EAAE,OAAO,CAAC,SAAS;gBAC5B,aAAa,EAAE,OAAO,CAAC,aAAa;gBACpC,aAAa,EAAE,OAAO,CAAC,aAAa;aACrC,CAAC;SACH;QAED,OAAO,CAAC,cAAc,CAAC,IAAI,GAAG,MAAM,CAAC,MAAM,CAAC,IAAI,CAAC,CAAC;QAClD,oEAAoE;QACpE,OAAO,CAAC,cAAc,CAAC,IAAK,CAAC,SAAS,GAAG,gBAAS,CAAC;QACnD,oEAAoE;QACpE,OAAO,CAAC,cAAc,CAAC,IAAK,CAAC,WAAW,GAAG,kBAAW,CAAC;QAEvD,IAAI,CAAC,aAAa,GAAG,IAAI,kBAAkB,CAAC,MAAM,EAAE,OAAO,CAAC,cAAc,CAAC,CAAC;IAC9E,CAAC;IAED,iBAAiB,CAAC,MAAmB,EAAE,GAAW,EAAE,OAA2B;QAC7E,0DAA0D;QAC1D,IAAI,cAAc,GAAG,IAAI,CAAC,eAAe,CAAC,CAAC;QAC3C,IAAI,cAAc,IAAI,IAAI,EAAE;YAC1B,MAAM,aAAa,GAAuB,EAAE,CAAC;YAE7C,KAAK,MAAM,GAAG,IAAI;gBAChB,GAAG,MAAM,CAAC,mBAAmB,CAAC,OAAO,CAAC;gBACtC,GAAG,MAAM,CAAC,qBAAqB,CAAC,OAAO,CAAC;aAC7B,EAAE;gBACb,IAAI,CAAC,gBAAgB,EAAE,aAAa,EAAE,SAAS,EAAE,eAAe,EAAE,QAAQ,CAAC,CAAC,QAAQ,CAAC,GAAG,CAAC;oBACvF,SAAS;gBACX,OAAO,CAAC,GAAG,CAAC,aAAa,EAAE,GAAG,EAAE,OAAO,CAAC,GAAG,CAAC,OAAO,EAAE,GAAG,CAAC,CAAC,CAAC;aAC5D;YAED,aAAa,CAAC,WAAW,GAAG,CAAC,CAAC;YAE9B,cAAc,GAAG,IAAI,0BAAW,CAAC,GAAG,EAAE,aAAa,CAAC,CAAC;YACrD,IAAI,CAAC,eAAe,CAAC,GAAG,cAAc,CAAC;YAEvC,KAAK,MAAM,SAAS,IAAI,+BAAmB,EAAE;gBAC3C,KAAK,MAAM,QAAQ,IAAI,MAAM,CAAC,SAAS,CAAC,SAAS,CAAC,EAAE;oBAClD,cAAc,CAAC,EAAE,CAAC,SAAS,EAAE,QAAQ,CAAC,CAAC;iBACxC;aACF;YAED,MAAM,CAAC,EAAE,CAAC,aAAa,EAAE,CAAC,SAAS,EAAE,QAAQ,EAAE,EAAE;gBAC/C,cAAc,aAAd,cAAc,uBAAd,cAAc,CAAE,EAAE,CAAC,SAAS,EAAE,QAAQ,CAAC,CAAC;YAC1C,CAAC,CAAC,CAAC;YAEH,IAAI,CAAC,eAAe,GAAG,IAAI,CAAC;SAC7B;QACD,OAAO,cAAc,CAAC;IACxB,CAAC;IAED,qBAAqB,CAAC,QAAkB;QACtC,0DAA0D;QAC1D,MAAM,cAAc,GAAG,IAAI,CAAC,eAAe,CAAC,CAAC;QAC7C,IAAI,IAAI,CAAC,eAAe,IAAI,cAAc,IAAI,IAAI,EAAE;YAClD,IAAI,CAAC,eAAe,GAAG,KAAK,CAAC;YAC7B,OAAO,cAAc,CAAC,OAAO,CAAC,QAAQ,CAAC,CAAC;SACzC;QAED,OAAO,QAAQ,EAAE,CAAC;IACpB,CAAC;IAED,KAAK,CAAC,MAAmB,EAAE,KAAc,EAAE,QAAkB;QAC3D,IAAI,CAAC,aAAa,CAAC,QAAQ,CAAC,CAAC,CAAC,KAAK,EAAE,CAAC,CAAC,EAAE;YACvC,MAAM,cAAc,GAAG,IAAI,CAAC,eAAe,CAAC,CAAC;YAC7C,IAAI,cAAc,IAAI,IAAI,IAAI,MAAM,KAAK,cAAc,EAAE;gBACvD,OAAO,cAAc,CAAC,KAAK,CAAC,KAAK,EAAE,QAAQ,CAAC,CAAC;aAC9C;YACD,QAAQ,CAAC,CAAC,CAAC,CAAC;QACd,CAAC,CAAC,CAAC;IACL,CAAC;IAED,MAAM,CAAC,kBAAkB;QACvB,MAAM,uBAAuB,GAAG,IAAA,kCAA0B,GAAE,CAAC;QAC7D,IAAI,uBAAuB,IAAI,IAAI,EAAE;YACnC,MAAM,IAAI,mCAA2B,CACnC,8DAA8D;gBAC5D,wEAAwE,CAC3E,CAAC;SACH;QACD,kBAAkB,GAAG,uBAAuB,CAAC,SAAS,CAAC,OAAO,CAAC,cAAc,CAAC,CAAC,CAAC,aAAa,CAAC;IAChG,CAAC;CACF;AAlHD,8BAkHC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/error.js b/node_modules/mongoose/node_modules/mongodb/lib/error.js
new file mode 100644
index 000000000..cf28508db
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/error.js
@@ -0,0 +1,799 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isResumableError = exports.isNetworkTimeoutError = exports.isSDAMUnrecoverableError = exports.isNodeShuttingDownError = exports.isRetryableReadError = exports.isRetryableWriteError = exports.needsRetryableWriteLabel = exports.MongoWriteConcernError = exports.MongoServerSelectionError = exports.MongoSystemError = exports.MongoMissingDependencyError = exports.MongoMissingCredentialsError = exports.MongoCompatibilityError = exports.MongoInvalidArgumentError = exports.MongoParseError = exports.MongoNetworkTimeoutError = exports.MongoNetworkError = exports.isNetworkErrorBeforeHandshake = exports.MongoTopologyClosedError = exports.MongoCursorExhaustedError = exports.MongoServerClosedError = exports.MongoCursorInUseError = exports.MongoUnexpectedServerResponseError = exports.MongoGridFSChunkError = exports.MongoGridFSStreamError = exports.MongoTailableCursorError = exports.MongoChangeStreamError = exports.MongoAWSError = exports.MongoKerberosError = exports.MongoExpiredSessionError = exports.MongoTransactionError = exports.MongoNotConnectedError = exports.MongoDecompressionError = exports.MongoBatchReExecutionError = exports.MongoRuntimeError = exports.MongoAPIError = exports.MongoDriverError = exports.MongoServerError = exports.MongoError = exports.MongoErrorLabel = exports.GET_MORE_RESUMABLE_CODES = exports.MONGODB_ERROR_CODES = exports.NODE_IS_RECOVERING_ERROR_MESSAGE = exports.LEGACY_NOT_PRIMARY_OR_SECONDARY_ERROR_MESSAGE = exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE = void 0;
+/** @internal */
+const kErrorLabels = Symbol('errorLabels');
+/**
+ * @internal
+ * The legacy error message from the server that indicates the node is not a writable primary
+ * https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
+ */
+exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE = new RegExp('not master', 'i');
+/**
+ * @internal
+ * The legacy error message from the server that indicates the node is not a primary or secondary
+ * https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
+ */
+exports.LEGACY_NOT_PRIMARY_OR_SECONDARY_ERROR_MESSAGE = new RegExp('not master or secondary', 'i');
+/**
+ * @internal
+ * The error message from the server that indicates the node is recovering
+ * https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
+ */
+exports.NODE_IS_RECOVERING_ERROR_MESSAGE = new RegExp('node is recovering', 'i');
+/** @internal MongoDB Error Codes */
+exports.MONGODB_ERROR_CODES = Object.freeze({
+    HostUnreachable: 6,
+    HostNotFound: 7,
+    NetworkTimeout: 89,
+    ShutdownInProgress: 91,
+    PrimarySteppedDown: 189,
+    ExceededTimeLimit: 262,
+    SocketException: 9001,
+    NotWritablePrimary: 10107,
+    InterruptedAtShutdown: 11600,
+    InterruptedDueToReplStateChange: 11602,
+    NotPrimaryNoSecondaryOk: 13435,
+    NotPrimaryOrSecondary: 13436,
+    StaleShardVersion: 63,
+    StaleEpoch: 150,
+    StaleConfig: 13388,
+    RetryChangeStream: 234,
+    FailedToSatisfyReadPreference: 133,
+    CursorNotFound: 43,
+    LegacyNotPrimary: 10058,
+    WriteConcernFailed: 64,
+    NamespaceNotFound: 26,
+    IllegalOperation: 20,
+    MaxTimeMSExpired: 50,
+    UnknownReplWriteConcern: 79,
+    UnsatisfiableWriteConcern: 100
+});
+// From spec@https://github.com/mongodb/specifications/blob/f93d78191f3db2898a59013a7ed5650352ef6da8/source/change-streams/change-streams.rst#resumable-error
+exports.GET_MORE_RESUMABLE_CODES = new Set([
+    exports.MONGODB_ERROR_CODES.HostUnreachable,
+    exports.MONGODB_ERROR_CODES.HostNotFound,
+    exports.MONGODB_ERROR_CODES.NetworkTimeout,
+    exports.MONGODB_ERROR_CODES.ShutdownInProgress,
+    exports.MONGODB_ERROR_CODES.PrimarySteppedDown,
+    exports.MONGODB_ERROR_CODES.ExceededTimeLimit,
+    exports.MONGODB_ERROR_CODES.SocketException,
+    exports.MONGODB_ERROR_CODES.NotWritablePrimary,
+    exports.MONGODB_ERROR_CODES.InterruptedAtShutdown,
+    exports.MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
+    exports.MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
+    exports.MONGODB_ERROR_CODES.NotPrimaryOrSecondary,
+    exports.MONGODB_ERROR_CODES.StaleShardVersion,
+    exports.MONGODB_ERROR_CODES.StaleEpoch,
+    exports.MONGODB_ERROR_CODES.StaleConfig,
+    exports.MONGODB_ERROR_CODES.RetryChangeStream,
+    exports.MONGODB_ERROR_CODES.FailedToSatisfyReadPreference,
+    exports.MONGODB_ERROR_CODES.CursorNotFound
+]);
+/** @public */
+exports.MongoErrorLabel = Object.freeze({
+    RetryableWriteError: 'RetryableWriteError',
+    TransientTransactionError: 'TransientTransactionError',
+    UnknownTransactionCommitResult: 'UnknownTransactionCommitResult',
+    ResumableChangeStreamError: 'ResumableChangeStreamError',
+    HandshakeError: 'HandshakeError'
+});
+/**
+ * @public
+ * @category Error
+ *
+ * @privateRemarks
+ * CSFLE has a dependency on this error, it uses the constructor with a string argument
+ */
+class MongoError extends Error {
+    constructor(message) {
+        if (message instanceof Error) {
+            super(message.message);
+        }
+        else {
+            super(message);
+        }
+        this[kErrorLabels] = new Set();
+    }
+    get name() {
+        return 'MongoError';
+    }
+    /** Legacy name for server error responses */
+    get errmsg() {
+        return this.message;
+    }
+    /**
+     * Checks the error to see if it has an error label
+     *
+     * @param label - The error label to check for
+     * @returns returns true if the error has the provided error label
+     */
+    hasErrorLabel(label) {
+        return this[kErrorLabels].has(label);
+    }
+    addErrorLabel(label) {
+        this[kErrorLabels].add(label);
+    }
+    get errorLabels() {
+        return Array.from(this[kErrorLabels]);
+    }
+}
+exports.MongoError = MongoError;
+/**
+ * An error coming from the mongo server
+ *
+ * @public
+ * @category Error
+ */
+class MongoServerError extends MongoError {
+    constructor(message) {
+        super(message.message || message.errmsg || message.$err || 'n/a');
+        if (message.errorLabels) {
+            this[kErrorLabels] = new Set(message.errorLabels);
+        }
+        for (const name in message) {
+            if (name !== 'errorLabels' && name !== 'errmsg' && name !== 'message')
+                this[name] = message[name];
+        }
+    }
+    get name() {
+        return 'MongoServerError';
+    }
+}
+exports.MongoServerError = MongoServerError;
+/**
+ * An error generated by the driver
+ *
+ * @public
+ * @category Error
+ */
+class MongoDriverError extends MongoError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoDriverError';
+    }
+}
+exports.MongoDriverError = MongoDriverError;
+/**
+ * An error generated when the driver API is used incorrectly
+ *
+ * @privateRemarks
+ * Should **never** be directly instantiated
+ *
+ * @public
+ * @category Error
+ */
+class MongoAPIError extends MongoDriverError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoAPIError';
+    }
+}
+exports.MongoAPIError = MongoAPIError;
+/**
+ * An error generated when the driver encounters unexpected input
+ * or reaches an unexpected/invalid internal state
+ *
+ * @privateRemarks
+ * Should **never** be directly instantiated.
+ *
+ * @public
+ * @category Error
+ */
+class MongoRuntimeError extends MongoDriverError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoRuntimeError';
+    }
+}
+exports.MongoRuntimeError = MongoRuntimeError;
+/**
+ * An error generated when a batch command is re-executed after one of the commands in the batch
+ * has failed
+ *
+ * @public
+ * @category Error
+ */
+class MongoBatchReExecutionError extends MongoAPIError {
+    constructor(message = 'This batch has already been executed, create new batch to execute') {
+        super(message);
+    }
+    get name() {
+        return 'MongoBatchReExecutionError';
+    }
+}
+exports.MongoBatchReExecutionError = MongoBatchReExecutionError;
+/**
+ * An error generated when the driver fails to decompress
+ * data received from the server.
+ *
+ * @public
+ * @category Error
+ */
+class MongoDecompressionError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoDecompressionError';
+    }
+}
+exports.MongoDecompressionError = MongoDecompressionError;
+/**
+ * An error thrown when the user attempts to operate on a database or collection through a MongoClient
+ * that has not yet successfully called the "connect" method
+ *
+ * @public
+ * @category Error
+ */
+class MongoNotConnectedError extends MongoAPIError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoNotConnectedError';
+    }
+}
+exports.MongoNotConnectedError = MongoNotConnectedError;
+/**
+ * An error generated when the user makes a mistake in the usage of transactions.
+ * (e.g. attempting to commit a transaction with a readPreference other than primary)
+ *
+ * @public
+ * @category Error
+ */
+class MongoTransactionError extends MongoAPIError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoTransactionError';
+    }
+}
+exports.MongoTransactionError = MongoTransactionError;
+/**
+ * An error generated when the user attempts to operate
+ * on a session that has expired or has been closed.
+ *
+ * @public
+ * @category Error
+ */
+class MongoExpiredSessionError extends MongoAPIError {
+    constructor(message = 'Cannot use a session that has ended') {
+        super(message);
+    }
+    get name() {
+        return 'MongoExpiredSessionError';
+    }
+}
+exports.MongoExpiredSessionError = MongoExpiredSessionError;
+/**
+ * A error generated when the user attempts to authenticate
+ * via Kerberos, but fails to connect to the Kerberos client.
+ *
+ * @public
+ * @category Error
+ */
+class MongoKerberosError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoKerberosError';
+    }
+}
+exports.MongoKerberosError = MongoKerberosError;
+/**
+ * A error generated when the user attempts to authenticate
+ * via AWS, but fails
+ *
+ * @public
+ * @category Error
+ */
+class MongoAWSError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoAWSError';
+    }
+}
+exports.MongoAWSError = MongoAWSError;
+/**
+ * An error generated when a ChangeStream operation fails to execute.
+ *
+ * @public
+ * @category Error
+ */
+class MongoChangeStreamError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoChangeStreamError';
+    }
+}
+exports.MongoChangeStreamError = MongoChangeStreamError;
+/**
+ * An error thrown when the user calls a function or method not supported on a tailable cursor
+ *
+ * @public
+ * @category Error
+ */
+class MongoTailableCursorError extends MongoAPIError {
+    constructor(message = 'Tailable cursor does not support this operation') {
+        super(message);
+    }
+    get name() {
+        return 'MongoTailableCursorError';
+    }
+}
+exports.MongoTailableCursorError = MongoTailableCursorError;
+/** An error generated when a GridFSStream operation fails to execute.
+ *
+ * @public
+ * @category Error
+ */
+class MongoGridFSStreamError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoGridFSStreamError';
+    }
+}
+exports.MongoGridFSStreamError = MongoGridFSStreamError;
+/**
+ * An error generated when a malformed or invalid chunk is
+ * encountered when reading from a GridFSStream.
+ *
+ * @public
+ * @category Error
+ */
+class MongoGridFSChunkError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoGridFSChunkError';
+    }
+}
+exports.MongoGridFSChunkError = MongoGridFSChunkError;
+/**
+ * An error generated when a **parsable** unexpected response comes from the server.
+ * This is generally an error where the driver in a state expecting a certain behavior to occur in
+ * the next message from MongoDB but it receives something else.
+ * This error **does not** represent an issue with wire message formatting.
+ *
+ * #### Example
+ * When an operation fails, it is the driver's job to retry it. It must perform serverSelection
+ * again to make sure that it attempts the operation against a server in a good state. If server
+ * selection returns a server that does not support retryable operations, this error is used.
+ * This scenario is unlikely as retryable support would also have been determined on the first attempt
+ * but it is possible the state change could report a selectable server that does not support retries.
+ *
+ * @public
+ * @category Error
+ */
+class MongoUnexpectedServerResponseError extends MongoRuntimeError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoUnexpectedServerResponseError';
+    }
+}
+exports.MongoUnexpectedServerResponseError = MongoUnexpectedServerResponseError;
+/**
+ * An error thrown when the user attempts to add options to a cursor that has already been
+ * initialized
+ *
+ * @public
+ * @category Error
+ */
+class MongoCursorInUseError extends MongoAPIError {
+    constructor(message = 'Cursor is already initialized') {
+        super(message);
+    }
+    get name() {
+        return 'MongoCursorInUseError';
+    }
+}
+exports.MongoCursorInUseError = MongoCursorInUseError;
+/**
+ * An error generated when an attempt is made to operate
+ * on a closed/closing server.
+ *
+ * @public
+ * @category Error
+ */
+class MongoServerClosedError extends MongoAPIError {
+    constructor(message = 'Server is closed') {
+        super(message);
+    }
+    get name() {
+        return 'MongoServerClosedError';
+    }
+}
+exports.MongoServerClosedError = MongoServerClosedError;
+/**
+ * An error thrown when an attempt is made to read from a cursor that has been exhausted
+ *
+ * @public
+ * @category Error
+ */
+class MongoCursorExhaustedError extends MongoAPIError {
+    constructor(message) {
+        super(message || 'Cursor is exhausted');
+    }
+    get name() {
+        return 'MongoCursorExhaustedError';
+    }
+}
+exports.MongoCursorExhaustedError = MongoCursorExhaustedError;
+/**
+ * An error generated when an attempt is made to operate on a
+ * dropped, or otherwise unavailable, database.
+ *
+ * @public
+ * @category Error
+ */
+class MongoTopologyClosedError extends MongoAPIError {
+    constructor(message = 'Topology is closed') {
+        super(message);
+    }
+    get name() {
+        return 'MongoTopologyClosedError';
+    }
+}
+exports.MongoTopologyClosedError = MongoTopologyClosedError;
+/** @internal */
+const kBeforeHandshake = Symbol('beforeHandshake');
+function isNetworkErrorBeforeHandshake(err) {
+    return err[kBeforeHandshake] === true;
+}
+exports.isNetworkErrorBeforeHandshake = isNetworkErrorBeforeHandshake;
+/**
+ * An error indicating an issue with the network, including TCP errors and timeouts.
+ * @public
+ * @category Error
+ */
+class MongoNetworkError extends MongoError {
+    constructor(message, options) {
+        super(message);
+        if (options && typeof options.beforeHandshake === 'boolean') {
+            this[kBeforeHandshake] = options.beforeHandshake;
+        }
+    }
+    get name() {
+        return 'MongoNetworkError';
+    }
+}
+exports.MongoNetworkError = MongoNetworkError;
+/**
+ * An error indicating a network timeout occurred
+ * @public
+ * @category Error
+ *
+ * @privateRemarks
+ * CSFLE has a dependency on this error with an instanceof check
+ */
+class MongoNetworkTimeoutError extends MongoNetworkError {
+    constructor(message, options) {
+        super(message, options);
+    }
+    get name() {
+        return 'MongoNetworkTimeoutError';
+    }
+}
+exports.MongoNetworkTimeoutError = MongoNetworkTimeoutError;
+/**
+ * An error used when attempting to parse a value (like a connection string)
+ * @public
+ * @category Error
+ */
+class MongoParseError extends MongoDriverError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoParseError';
+    }
+}
+exports.MongoParseError = MongoParseError;
+/**
+ * An error generated when the user supplies malformed or unexpected arguments
+ * or when a required argument or field is not provided.
+ *
+ *
+ * @public
+ * @category Error
+ */
+class MongoInvalidArgumentError extends MongoAPIError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoInvalidArgumentError';
+    }
+}
+exports.MongoInvalidArgumentError = MongoInvalidArgumentError;
+/**
+ * An error generated when a feature that is not enabled or allowed for the current server
+ * configuration is used
+ *
+ *
+ * @public
+ * @category Error
+ */
+class MongoCompatibilityError extends MongoAPIError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoCompatibilityError';
+    }
+}
+exports.MongoCompatibilityError = MongoCompatibilityError;
+/**
+ * An error generated when the user fails to provide authentication credentials before attempting
+ * to connect to a mongo server instance.
+ *
+ *
+ * @public
+ * @category Error
+ */
+class MongoMissingCredentialsError extends MongoAPIError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoMissingCredentialsError';
+    }
+}
+exports.MongoMissingCredentialsError = MongoMissingCredentialsError;
+/**
+ * An error generated when a required module or dependency is not present in the local environment
+ *
+ * @public
+ * @category Error
+ */
+class MongoMissingDependencyError extends MongoAPIError {
+    constructor(message) {
+        super(message);
+    }
+    get name() {
+        return 'MongoMissingDependencyError';
+    }
+}
+exports.MongoMissingDependencyError = MongoMissingDependencyError;
+/**
+ * An error signifying a general system issue
+ * @public
+ * @category Error
+ */
+class MongoSystemError extends MongoError {
+    constructor(message, reason) {
+        var _a;
+        if (reason && reason.error) {
+            super(reason.error.message || reason.error);
+        }
+        else {
+            super(message);
+        }
+        if (reason) {
+            this.reason = reason;
+        }
+        this.code = (_a = reason.error) === null || _a === void 0 ? void 0 : _a.code;
+    }
+    get name() {
+        return 'MongoSystemError';
+    }
+}
+exports.MongoSystemError = MongoSystemError;
+/**
+ * An error signifying a client-side server selection error
+ * @public
+ * @category Error
+ */
+class MongoServerSelectionError extends MongoSystemError {
+    constructor(message, reason) {
+        super(message, reason);
+    }
+    get name() {
+        return 'MongoServerSelectionError';
+    }
+}
+exports.MongoServerSelectionError = MongoServerSelectionError;
+function makeWriteConcernResultObject(input) {
+    const output = Object.assign({}, input);
+    if (output.ok === 0) {
+        output.ok = 1;
+        delete output.errmsg;
+        delete output.code;
+        delete output.codeName;
+    }
+    return output;
+}
+/**
+ * An error thrown when the server reports a writeConcernError
+ * @public
+ * @category Error
+ */
+class MongoWriteConcernError extends MongoServerError {
+    constructor(message, result) {
+        if (result && Array.isArray(result.errorLabels)) {
+            message.errorLabels = result.errorLabels;
+        }
+        super(message);
+        this.errInfo = message.errInfo;
+        if (result != null) {
+            this.result = makeWriteConcernResultObject(result);
+        }
+    }
+    get name() {
+        return 'MongoWriteConcernError';
+    }
+}
+exports.MongoWriteConcernError = MongoWriteConcernError;
+// https://github.com/mongodb/specifications/blob/master/source/retryable-reads/retryable-reads.rst#retryable-error
+const RETRYABLE_READ_ERROR_CODES = new Set([
+    exports.MONGODB_ERROR_CODES.HostUnreachable,
+    exports.MONGODB_ERROR_CODES.HostNotFound,
+    exports.MONGODB_ERROR_CODES.NetworkTimeout,
+    exports.MONGODB_ERROR_CODES.ShutdownInProgress,
+    exports.MONGODB_ERROR_CODES.PrimarySteppedDown,
+    exports.MONGODB_ERROR_CODES.SocketException,
+    exports.MONGODB_ERROR_CODES.NotWritablePrimary,
+    exports.MONGODB_ERROR_CODES.InterruptedAtShutdown,
+    exports.MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
+    exports.MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
+    exports.MONGODB_ERROR_CODES.NotPrimaryOrSecondary
+]);
+// see: https://github.com/mongodb/specifications/blob/master/source/retryable-writes/retryable-writes.rst#terms
+const RETRYABLE_WRITE_ERROR_CODES = new Set([
+    ...RETRYABLE_READ_ERROR_CODES,
+    exports.MONGODB_ERROR_CODES.ExceededTimeLimit
+]);
+function needsRetryableWriteLabel(error, maxWireVersion) {
+    var _a, _b, _c;
+    // pre-4.4 server, then the driver adds an error label for every valid case
+    // execute operation will only inspect the label, code/message logic is handled here
+    if (error instanceof MongoNetworkError) {
+        return true;
+    }
+    if (error instanceof MongoError) {
+        if ((maxWireVersion >= 9 || error.hasErrorLabel(exports.MongoErrorLabel.RetryableWriteError)) &&
+            !error.hasErrorLabel(exports.MongoErrorLabel.HandshakeError)) {
+            // If we already have the error label no need to add it again. 4.4+ servers add the label.
+            // In the case where we have a handshake error, need to fall down to the logic checking
+            // the codes.
+            return false;
+        }
+    }
+    if (error instanceof MongoWriteConcernError) {
+        return RETRYABLE_WRITE_ERROR_CODES.has((_c = (_b = (_a = error.result) === null || _a === void 0 ? void 0 : _a.code) !== null && _b !== void 0 ? _b : error.code) !== null && _c !== void 0 ? _c : 0);
+    }
+    if (error instanceof MongoError && typeof error.code === 'number') {
+        return RETRYABLE_WRITE_ERROR_CODES.has(error.code);
+    }
+    const isNotWritablePrimaryError = exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(error.message);
+    if (isNotWritablePrimaryError) {
+        return true;
+    }
+    const isNodeIsRecoveringError = exports.NODE_IS_RECOVERING_ERROR_MESSAGE.test(error.message);
+    if (isNodeIsRecoveringError) {
+        return true;
+    }
+    return false;
+}
+exports.needsRetryableWriteLabel = needsRetryableWriteLabel;
+function isRetryableWriteError(error) {
+    return error.hasErrorLabel(exports.MongoErrorLabel.RetryableWriteError);
+}
+exports.isRetryableWriteError = isRetryableWriteError;
+/** Determines whether an error is something the driver should attempt to retry */
+function isRetryableReadError(error) {
+    const hasRetryableErrorCode = typeof error.code === 'number' ? RETRYABLE_READ_ERROR_CODES.has(error.code) : false;
+    if (hasRetryableErrorCode) {
+        return true;
+    }
+    if (error instanceof MongoNetworkError) {
+        return true;
+    }
+    const isNotWritablePrimaryError = exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(error.message);
+    if (isNotWritablePrimaryError) {
+        return true;
+    }
+    const isNodeIsRecoveringError = exports.NODE_IS_RECOVERING_ERROR_MESSAGE.test(error.message);
+    if (isNodeIsRecoveringError) {
+        return true;
+    }
+    return false;
+}
+exports.isRetryableReadError = isRetryableReadError;
+const SDAM_RECOVERING_CODES = new Set([
+    exports.MONGODB_ERROR_CODES.ShutdownInProgress,
+    exports.MONGODB_ERROR_CODES.PrimarySteppedDown,
+    exports.MONGODB_ERROR_CODES.InterruptedAtShutdown,
+    exports.MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
+    exports.MONGODB_ERROR_CODES.NotPrimaryOrSecondary
+]);
+const SDAM_NOT_PRIMARY_CODES = new Set([
+    exports.MONGODB_ERROR_CODES.NotWritablePrimary,
+    exports.MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
+    exports.MONGODB_ERROR_CODES.LegacyNotPrimary
+]);
+const SDAM_NODE_SHUTTING_DOWN_ERROR_CODES = new Set([
+    exports.MONGODB_ERROR_CODES.InterruptedAtShutdown,
+    exports.MONGODB_ERROR_CODES.ShutdownInProgress
+]);
+function isRecoveringError(err) {
+    if (typeof err.code === 'number') {
+        // If any error code exists, we ignore the error.message
+        return SDAM_RECOVERING_CODES.has(err.code);
+    }
+    return (exports.LEGACY_NOT_PRIMARY_OR_SECONDARY_ERROR_MESSAGE.test(err.message) ||
+        exports.NODE_IS_RECOVERING_ERROR_MESSAGE.test(err.message));
+}
+function isNotWritablePrimaryError(err) {
+    if (typeof err.code === 'number') {
+        // If any error code exists, we ignore the error.message
+        return SDAM_NOT_PRIMARY_CODES.has(err.code);
+    }
+    if (isRecoveringError(err)) {
+        return false;
+    }
+    return exports.LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(err.message);
+}
+function isNodeShuttingDownError(err) {
+    return !!(typeof err.code === 'number' && SDAM_NODE_SHUTTING_DOWN_ERROR_CODES.has(err.code));
+}
+exports.isNodeShuttingDownError = isNodeShuttingDownError;
+/**
+ * Determines whether SDAM can recover from a given error. If it cannot
+ * then the pool will be cleared, and server state will completely reset
+ * locally.
+ *
+ * @see https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-master-and-node-is-recovering
+ */
+function isSDAMUnrecoverableError(error) {
+    // NOTE: null check is here for a strictly pre-CMAP world, a timeout or
+    //       close event are considered unrecoverable
+    if (error instanceof MongoParseError || error == null) {
+        return true;
+    }
+    return isRecoveringError(error) || isNotWritablePrimaryError(error);
+}
+exports.isSDAMUnrecoverableError = isSDAMUnrecoverableError;
+function isNetworkTimeoutError(err) {
+    return !!(err instanceof MongoNetworkError && err.message.match(/timed out/));
+}
+exports.isNetworkTimeoutError = isNetworkTimeoutError;
+function isResumableError(error, wireVersion) {
+    if (error == null || !(error instanceof MongoError)) {
+        return false;
+    }
+    if (error instanceof MongoNetworkError) {
+        return true;
+    }
+    if (wireVersion != null && wireVersion >= 9) {
+        // DRIVERS-1308: For 4.4 drivers running against 4.4 servers, drivers will add a special case to treat the CursorNotFound error code as resumable
+        if (error.code === exports.MONGODB_ERROR_CODES.CursorNotFound) {
+            return true;
+        }
+        return error.hasErrorLabel(exports.MongoErrorLabel.ResumableChangeStreamError);
+    }
+    if (typeof error.code === 'number') {
+        return exports.GET_MORE_RESUMABLE_CODES.has(error.code);
+    }
+    return false;
+}
+exports.isResumableError = isResumableError;
+//# sourceMappingURL=error.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/error.js.map b/node_modules/mongoose/node_modules/mongodb/lib/error.js.map
new file mode 100644
index 000000000..c02c2d88e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/error.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/explain.js b/node_modules/mongoose/node_modules/mongodb/lib/explain.js
new file mode 100644
index 000000000..bc55e1fee
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/explain.js
@@ -0,0 +1,35 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Explain = exports.ExplainVerbosity = void 0;
+const error_1 = require("./error");
+/** @public */
+exports.ExplainVerbosity = Object.freeze({
+    queryPlanner: 'queryPlanner',
+    queryPlannerExtended: 'queryPlannerExtended',
+    executionStats: 'executionStats',
+    allPlansExecution: 'allPlansExecution'
+});
+/** @internal */
+class Explain {
+    constructor(verbosity) {
+        if (typeof verbosity === 'boolean') {
+            this.verbosity = verbosity
+                ? exports.ExplainVerbosity.allPlansExecution
+                : exports.ExplainVerbosity.queryPlanner;
+        }
+        else {
+            this.verbosity = verbosity;
+        }
+    }
+    static fromOptions(options) {
+        if ((options === null || options === void 0 ? void 0 : options.explain) == null)
+            return;
+        const explain = options.explain;
+        if (typeof explain === 'boolean' || typeof explain === 'string') {
+            return new Explain(explain);
+        }
+        throw new error_1.MongoInvalidArgumentError('Field "explain" must be a string or a boolean');
+    }
+}
+exports.Explain = Explain;
+//# sourceMappingURL=explain.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/explain.js.map b/node_modules/mongoose/node_modules/mongodb/lib/explain.js.map
new file mode 100644
index 000000000..ae503b22b
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/explain.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"explain.js","sourceRoot":"","sources":["../src/explain.ts"],"names":[],"mappings":";;;AAAA,mCAAoD;AAEpD,cAAc;AACD,QAAA,gBAAgB,GAAG,MAAM,CAAC,MAAM,CAAC;IAC5C,YAAY,EAAE,cAAc;IAC5B,oBAAoB,EAAE,sBAAsB;IAC5C,cAAc,EAAE,gBAAgB;IAChC,iBAAiB,EAAE,mBAAmB;CAC9B,CAAC,CAAC;AAmBZ,gBAAgB;AAChB,MAAa,OAAO;IAGlB,YAAY,SAA+B;QACzC,IAAI,OAAO,SAAS,KAAK,SAAS,EAAE;YAClC,IAAI,CAAC,SAAS,GAAG,SAAS;gBACxB,CAAC,CAAC,wBAAgB,CAAC,iBAAiB;gBACpC,CAAC,CAAC,wBAAgB,CAAC,YAAY,CAAC;SACnC;aAAM;YACL,IAAI,CAAC,SAAS,GAAG,SAAS,CAAC;SAC5B;IACH,CAAC;IAED,MAAM,CAAC,WAAW,CAAC,OAAwB;QACzC,IAAI,CAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,OAAO,KAAI,IAAI;YAAE,OAAO;QAErC,MAAM,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;QAChC,IAAI,OAAO,OAAO,KAAK,SAAS,IAAI,OAAO,OAAO,KAAK,QAAQ,EAAE;YAC/D,OAAO,IAAI,OAAO,CAAC,OAAO,CAAC,CAAC;SAC7B;QAED,MAAM,IAAI,iCAAyB,CAAC,+CAA+C,CAAC,CAAC;IACvF,CAAC;CACF;AAvBD,0BAuBC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/gridfs/download.js b/node_modules/mongoose/node_modules/mongodb/lib/gridfs/download.js
new file mode 100644
index 000000000..ad7c2d08f
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/gridfs/download.js
@@ -0,0 +1,317 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.GridFSBucketReadStream = void 0;
+const stream_1 = require("stream");
+const error_1 = require("../error");
+/**
+ * A readable stream that enables you to read buffers from GridFS.
+ *
+ * Do not instantiate this class directly. Use `openDownloadStream()` instead.
+ * @public
+ */
+class GridFSBucketReadStream extends stream_1.Readable {
+    /** @internal
+     * @param chunks - Handle for chunks collection
+     * @param files - Handle for files collection
+     * @param readPreference - The read preference to use
+     * @param filter - The filter to use to find the file document
+     */
+    constructor(chunks, files, readPreference, filter, options) {
+        super();
+        this.s = {
+            bytesToTrim: 0,
+            bytesToSkip: 0,
+            bytesRead: 0,
+            chunks,
+            expected: 0,
+            files,
+            filter,
+            init: false,
+            expectedEnd: 0,
+            options: {
+                start: 0,
+                end: 0,
+                ...options
+            },
+            readPreference
+        };
+    }
+    /**
+     * Reads from the cursor and pushes to the stream.
+     * Private Impl, do not call directly
+     * @internal
+     */
+    _read() {
+        if (this.destroyed)
+            return;
+        waitForFile(this, () => doRead(this));
+    }
+    /**
+     * Sets the 0-based offset in bytes to start streaming from. Throws
+     * an error if this stream has entered flowing mode
+     * (e.g. if you've already called `on('data')`)
+     *
+     * @param start - 0-based offset in bytes to start streaming from
+     */
+    start(start = 0) {
+        throwIfInitialized(this);
+        this.s.options.start = start;
+        return this;
+    }
+    /**
+     * Sets the 0-based offset in bytes to start streaming from. Throws
+     * an error if this stream has entered flowing mode
+     * (e.g. if you've already called `on('data')`)
+     *
+     * @param end - Offset in bytes to stop reading at
+     */
+    end(end = 0) {
+        throwIfInitialized(this);
+        this.s.options.end = end;
+        return this;
+    }
+    /**
+     * Marks this stream as aborted (will never push another `data` event)
+     * and kills the underlying cursor. Will emit the 'end' event, and then
+     * the 'close' event once the cursor is successfully killed.
+     *
+     * @param callback - called when the cursor is successfully closed or an error occurred.
+     */
+    abort(callback) {
+        this.push(null);
+        this.destroyed = true;
+        if (this.s.cursor) {
+            this.s.cursor.close(error => {
+                this.emit(GridFSBucketReadStream.CLOSE);
+                callback && callback(error);
+            });
+        }
+        else {
+            if (!this.s.init) {
+                // If not initialized, fire close event because we will never
+                // get a cursor
+                this.emit(GridFSBucketReadStream.CLOSE);
+            }
+            callback && callback();
+        }
+    }
+}
+exports.GridFSBucketReadStream = GridFSBucketReadStream;
+/**
+ * An error occurred
+ * @event
+ */
+GridFSBucketReadStream.ERROR = 'error';
+/**
+ * Fires when the stream loaded the file document corresponding to the provided id.
+ * @event
+ */
+GridFSBucketReadStream.FILE = 'file';
+/**
+ * Emitted when a chunk of data is available to be consumed.
+ * @event
+ */
+GridFSBucketReadStream.DATA = 'data';
+/**
+ * Fired when the stream is exhausted (no more data events).
+ * @event
+ */
+GridFSBucketReadStream.END = 'end';
+/**
+ * Fired when the stream is exhausted and the underlying cursor is killed
+ * @event
+ */
+GridFSBucketReadStream.CLOSE = 'close';
+function throwIfInitialized(stream) {
+    if (stream.s.init) {
+        throw new error_1.MongoGridFSStreamError('Options cannot be changed after the stream is initialized');
+    }
+}
+function doRead(stream) {
+    if (stream.destroyed)
+        return;
+    if (!stream.s.cursor)
+        return;
+    if (!stream.s.file)
+        return;
+    stream.s.cursor.next((error, doc) => {
+        if (stream.destroyed) {
+            return;
+        }
+        if (error) {
+            stream.emit(GridFSBucketReadStream.ERROR, error);
+            return;
+        }
+        if (!doc) {
+            stream.push(null);
+            process.nextTick(() => {
+                if (!stream.s.cursor)
+                    return;
+                stream.s.cursor.close(error => {
+                    if (error) {
+                        stream.emit(GridFSBucketReadStream.ERROR, error);
+                        return;
+                    }
+                    stream.emit(GridFSBucketReadStream.CLOSE);
+                });
+            });
+            return;
+        }
+        if (!stream.s.file)
+            return;
+        const bytesRemaining = stream.s.file.length - stream.s.bytesRead;
+        const expectedN = stream.s.expected++;
+        const expectedLength = Math.min(stream.s.file.chunkSize, bytesRemaining);
+        if (doc.n > expectedN) {
+            return stream.emit(GridFSBucketReadStream.ERROR, new error_1.MongoGridFSChunkError(`ChunkIsMissing: Got unexpected n: ${doc.n}, expected: ${expectedN}`));
+        }
+        if (doc.n < expectedN) {
+            return stream.emit(GridFSBucketReadStream.ERROR, new error_1.MongoGridFSChunkError(`ExtraChunk: Got unexpected n: ${doc.n}, expected: ${expectedN}`));
+        }
+        let buf = Buffer.isBuffer(doc.data) ? doc.data : doc.data.buffer;
+        if (buf.byteLength !== expectedLength) {
+            if (bytesRemaining <= 0) {
+                return stream.emit(GridFSBucketReadStream.ERROR, new error_1.MongoGridFSChunkError(`ExtraChunk: Got unexpected n: ${doc.n}, expected file length ${stream.s.file.length} bytes but already read ${stream.s.bytesRead} bytes`));
+            }
+            return stream.emit(GridFSBucketReadStream.ERROR, new error_1.MongoGridFSChunkError(`ChunkIsWrongSize: Got unexpected length: ${buf.byteLength}, expected: ${expectedLength}`));
+        }
+        stream.s.bytesRead += buf.byteLength;
+        if (buf.byteLength === 0) {
+            return stream.push(null);
+        }
+        let sliceStart = null;
+        let sliceEnd = null;
+        if (stream.s.bytesToSkip != null) {
+            sliceStart = stream.s.bytesToSkip;
+            stream.s.bytesToSkip = 0;
+        }
+        const atEndOfStream = expectedN === stream.s.expectedEnd - 1;
+        const bytesLeftToRead = stream.s.options.end - stream.s.bytesToSkip;
+        if (atEndOfStream && stream.s.bytesToTrim != null) {
+            sliceEnd = stream.s.file.chunkSize - stream.s.bytesToTrim;
+        }
+        else if (stream.s.options.end && bytesLeftToRead < doc.data.byteLength) {
+            sliceEnd = bytesLeftToRead;
+        }
+        if (sliceStart != null || sliceEnd != null) {
+            buf = buf.slice(sliceStart || 0, sliceEnd || buf.byteLength);
+        }
+        stream.push(buf);
+        return;
+    });
+}
+function init(stream) {
+    const findOneOptions = {};
+    if (stream.s.readPreference) {
+        findOneOptions.readPreference = stream.s.readPreference;
+    }
+    if (stream.s.options && stream.s.options.sort) {
+        findOneOptions.sort = stream.s.options.sort;
+    }
+    if (stream.s.options && stream.s.options.skip) {
+        findOneOptions.skip = stream.s.options.skip;
+    }
+    stream.s.files.findOne(stream.s.filter, findOneOptions, (error, doc) => {
+        if (error) {
+            return stream.emit(GridFSBucketReadStream.ERROR, error);
+        }
+        if (!doc) {
+            const identifier = stream.s.filter._id
+                ? stream.s.filter._id.toString()
+                : stream.s.filter.filename;
+            const errmsg = `FileNotFound: file ${identifier} was not found`;
+            // TODO(NODE-3483)
+            const err = new error_1.MongoRuntimeError(errmsg);
+            err.code = 'ENOENT'; // TODO: NODE-3338 set property as part of constructor
+            return stream.emit(GridFSBucketReadStream.ERROR, err);
+        }
+        // If document is empty, kill the stream immediately and don't
+        // execute any reads
+        if (doc.length <= 0) {
+            stream.push(null);
+            return;
+        }
+        if (stream.destroyed) {
+            // If user destroys the stream before we have a cursor, wait
+            // until the query is done to say we're 'closed' because we can't
+            // cancel a query.
+            stream.emit(GridFSBucketReadStream.CLOSE);
+            return;
+        }
+        try {
+            stream.s.bytesToSkip = handleStartOption(stream, doc, stream.s.options);
+        }
+        catch (error) {
+            return stream.emit(GridFSBucketReadStream.ERROR, error);
+        }
+        const filter = { files_id: doc._id };
+        // Currently (MongoDB 3.4.4) skip function does not support the index,
+        // it needs to retrieve all the documents first and then skip them. (CS-25811)
+        // As work around we use $gte on the "n" field.
+        if (stream.s.options && stream.s.options.start != null) {
+            const skip = Math.floor(stream.s.options.start / doc.chunkSize);
+            if (skip > 0) {
+                filter['n'] = { $gte: skip };
+            }
+        }
+        stream.s.cursor = stream.s.chunks.find(filter).sort({ n: 1 });
+        if (stream.s.readPreference) {
+            stream.s.cursor.withReadPreference(stream.s.readPreference);
+        }
+        stream.s.expectedEnd = Math.ceil(doc.length / doc.chunkSize);
+        stream.s.file = doc;
+        try {
+            stream.s.bytesToTrim = handleEndOption(stream, doc, stream.s.cursor, stream.s.options);
+        }
+        catch (error) {
+            return stream.emit(GridFSBucketReadStream.ERROR, error);
+        }
+        stream.emit(GridFSBucketReadStream.FILE, doc);
+        return;
+    });
+}
+function waitForFile(stream, callback) {
+    if (stream.s.file) {
+        return callback();
+    }
+    if (!stream.s.init) {
+        init(stream);
+        stream.s.init = true;
+    }
+    stream.once('file', () => {
+        callback();
+    });
+}
+function handleStartOption(stream, doc, options) {
+    if (options && options.start != null) {
+        if (options.start > doc.length) {
+            throw new error_1.MongoInvalidArgumentError(`Stream start (${options.start}) must not be more than the length of the file (${doc.length})`);
+        }
+        if (options.start < 0) {
+            throw new error_1.MongoInvalidArgumentError(`Stream start (${options.start}) must not be negative`);
+        }
+        if (options.end != null && options.end < options.start) {
+            throw new error_1.MongoInvalidArgumentError(`Stream start (${options.start}) must not be greater than stream end (${options.end})`);
+        }
+        stream.s.bytesRead = Math.floor(options.start / doc.chunkSize) * doc.chunkSize;
+        stream.s.expected = Math.floor(options.start / doc.chunkSize);
+        return options.start - stream.s.bytesRead;
+    }
+    throw new error_1.MongoInvalidArgumentError('Start option must be defined');
+}
+function handleEndOption(stream, doc, cursor, options) {
+    if (options && options.end != null) {
+        if (options.end > doc.length) {
+            throw new error_1.MongoInvalidArgumentError(`Stream end (${options.end}) must not be more than the length of the file (${doc.length})`);
+        }
+        if (options.start == null || options.start < 0) {
+            throw new error_1.MongoInvalidArgumentError(`Stream end (${options.end}) must not be negative`);
+        }
+        const start = options.start != null ? Math.floor(options.start / doc.chunkSize) : 0;
+        cursor.limit(Math.ceil(options.end / doc.chunkSize) - start);
+        stream.s.expectedEnd = Math.ceil(options.end / doc.chunkSize);
+        return Math.ceil(options.end / doc.chunkSize) * doc.chunkSize - options.end;
+    }
+    throw new error_1.MongoInvalidArgumentError('End option must be defined');
+}
+//# sourceMappingURL=download.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/gridfs/download.js.map b/node_modules/mongoose/node_modules/mongodb/lib/gridfs/download.js.map
new file mode 100644
index 000000000..a06049afc
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/gridfs/download.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/gridfs/index.js b/node_modules/mongoose/node_modules/mongodb/lib/gridfs/index.js
new file mode 100644
index 000000000..cfe89d060
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/gridfs/index.js
@@ -0,0 +1,152 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.GridFSBucket = void 0;
+const error_1 = require("../error");
+const mongo_types_1 = require("../mongo_types");
+const utils_1 = require("../utils");
+const write_concern_1 = require("../write_concern");
+const download_1 = require("./download");
+const upload_1 = require("./upload");
+const DEFAULT_GRIDFS_BUCKET_OPTIONS = {
+    bucketName: 'fs',
+    chunkSizeBytes: 255 * 1024
+};
+/**
+ * Constructor for a streaming GridFS interface
+ * @public
+ */
+class GridFSBucket extends mongo_types_1.TypedEventEmitter {
+    constructor(db, options) {
+        super();
+        this.setMaxListeners(0);
+        const privateOptions = {
+            ...DEFAULT_GRIDFS_BUCKET_OPTIONS,
+            ...options,
+            writeConcern: write_concern_1.WriteConcern.fromOptions(options)
+        };
+        this.s = {
+            db,
+            options: privateOptions,
+            _chunksCollection: db.collection(privateOptions.bucketName + '.chunks'),
+            _filesCollection: db.collection(privateOptions.bucketName + '.files'),
+            checkedIndexes: false,
+            calledOpenUploadStream: false
+        };
+    }
+    /**
+     * Returns a writable stream (GridFSBucketWriteStream) for writing
+     * buffers to GridFS. The stream's 'id' property contains the resulting
+     * file's id.
+     *
+     * @param filename - The value of the 'filename' key in the files doc
+     * @param options - Optional settings.
+     */
+    openUploadStream(filename, options) {
+        return new upload_1.GridFSBucketWriteStream(this, filename, options);
+    }
+    /**
+     * Returns a writable stream (GridFSBucketWriteStream) for writing
+     * buffers to GridFS for a custom file id. The stream's 'id' property contains the resulting
+     * file's id.
+     */
+    openUploadStreamWithId(id, filename, options) {
+        return new upload_1.GridFSBucketWriteStream(this, filename, { ...options, id });
+    }
+    /** Returns a readable stream (GridFSBucketReadStream) for streaming file data from GridFS. */
+    openDownloadStream(id, options) {
+        return new download_1.GridFSBucketReadStream(this.s._chunksCollection, this.s._filesCollection, this.s.options.readPreference, { _id: id }, options);
+    }
+    delete(id, callback) {
+        return (0, utils_1.maybePromise)(callback, callback => {
+            return this.s._filesCollection.deleteOne({ _id: id }, (error, res) => {
+                if (error) {
+                    return callback(error);
+                }
+                return this.s._chunksCollection.deleteMany({ files_id: id }, error => {
+                    if (error) {
+                        return callback(error);
+                    }
+                    // Delete orphaned chunks before returning FileNotFound
+                    if (!(res === null || res === void 0 ? void 0 : res.deletedCount)) {
+                        // TODO(NODE-3483): Replace with more appropriate error
+                        // Consider creating new error MongoGridFSFileNotFoundError
+                        return callback(new error_1.MongoRuntimeError(`File not found for id ${id}`));
+                    }
+                    return callback();
+                });
+            });
+        });
+    }
+    /** Convenience wrapper around find on the files collection */
+    find(filter, options) {
+        filter !== null && filter !== void 0 ? filter : (filter = {});
+        options = options !== null && options !== void 0 ? options : {};
+        return this.s._filesCollection.find(filter, options);
+    }
+    /**
+     * Returns a readable stream (GridFSBucketReadStream) for streaming the
+     * file with the given name from GridFS. If there are multiple files with
+     * the same name, this will stream the most recent file with the given name
+     * (as determined by the `uploadDate` field). You can set the `revision`
+     * option to change this behavior.
+     */
+    openDownloadStreamByName(filename, options) {
+        let sort = { uploadDate: -1 };
+        let skip = undefined;
+        if (options && options.revision != null) {
+            if (options.revision >= 0) {
+                sort = { uploadDate: 1 };
+                skip = options.revision;
+            }
+            else {
+                skip = -options.revision - 1;
+            }
+        }
+        return new download_1.GridFSBucketReadStream(this.s._chunksCollection, this.s._filesCollection, this.s.options.readPreference, { filename }, { ...options, sort, skip });
+    }
+    rename(id, filename, callback) {
+        return (0, utils_1.maybePromise)(callback, callback => {
+            const filter = { _id: id };
+            const update = { $set: { filename } };
+            return this.s._filesCollection.updateOne(filter, update, (error, res) => {
+                if (error) {
+                    return callback(error);
+                }
+                if (!(res === null || res === void 0 ? void 0 : res.matchedCount)) {
+                    return callback(new error_1.MongoRuntimeError(`File with id ${id} not found`));
+                }
+                return callback();
+            });
+        });
+    }
+    drop(callback) {
+        return (0, utils_1.maybePromise)(callback, callback => {
+            return this.s._filesCollection.drop(error => {
+                if (error) {
+                    return callback(error);
+                }
+                return this.s._chunksCollection.drop(error => {
+                    if (error) {
+                        return callback(error);
+                    }
+                    return callback();
+                });
+            });
+        });
+    }
+    /** Get the Db scoped logger. */
+    getLogger() {
+        return this.s.db.s.logger;
+    }
+}
+exports.GridFSBucket = GridFSBucket;
+/**
+ * When the first call to openUploadStream is made, the upload stream will
+ * check to see if it needs to create the proper indexes on the chunks and
+ * files collections. This event is fired either when 1) it determines that
+ * no index creation is necessary, 2) when it successfully creates the
+ * necessary indexes.
+ * @event
+ */
+GridFSBucket.INDEX = 'index';
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/gridfs/index.js.map b/node_modules/mongoose/node_modules/mongodb/lib/gridfs/index.js.map
new file mode 100644
index 000000000..861e3b8c2
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/gridfs/index.js.map
@@ -0,0 +1 @@
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diff --git a/node_modules/mongoose/node_modules/mongodb/lib/gridfs/upload.js b/node_modules/mongoose/node_modules/mongodb/lib/gridfs/upload.js
new file mode 100644
index 000000000..71507d377
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/gridfs/upload.js
@@ -0,0 +1,376 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.GridFSBucketWriteStream = void 0;
+const stream_1 = require("stream");
+const bson_1 = require("../bson");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const write_concern_1 = require("./../write_concern");
+/**
+ * A writable stream that enables you to write buffers to GridFS.
+ *
+ * Do not instantiate this class directly. Use `openUploadStream()` instead.
+ * @public
+ */
+class GridFSBucketWriteStream extends stream_1.Writable {
+    /** @internal
+     * @param bucket - Handle for this stream's corresponding bucket
+     * @param filename - The value of the 'filename' key in the files doc
+     * @param options - Optional settings.
+     */
+    constructor(bucket, filename, options) {
+        super();
+        options = options !== null && options !== void 0 ? options : {};
+        this.bucket = bucket;
+        this.chunks = bucket.s._chunksCollection;
+        this.filename = filename;
+        this.files = bucket.s._filesCollection;
+        this.options = options;
+        this.writeConcern = write_concern_1.WriteConcern.fromOptions(options) || bucket.s.options.writeConcern;
+        // Signals the write is all done
+        this.done = false;
+        this.id = options.id ? options.id : new bson_1.ObjectId();
+        // properly inherit the default chunksize from parent
+        this.chunkSizeBytes = options.chunkSizeBytes || this.bucket.s.options.chunkSizeBytes;
+        this.bufToStore = Buffer.alloc(this.chunkSizeBytes);
+        this.length = 0;
+        this.n = 0;
+        this.pos = 0;
+        this.state = {
+            streamEnd: false,
+            outstandingRequests: 0,
+            errored: false,
+            aborted: false
+        };
+        if (!this.bucket.s.calledOpenUploadStream) {
+            this.bucket.s.calledOpenUploadStream = true;
+            checkIndexes(this, () => {
+                this.bucket.s.checkedIndexes = true;
+                this.bucket.emit('index');
+            });
+        }
+    }
+    write(chunk, encodingOrCallback, callback) {
+        const encoding = typeof encodingOrCallback === 'function' ? undefined : encodingOrCallback;
+        callback = typeof encodingOrCallback === 'function' ? encodingOrCallback : callback;
+        return waitForIndexes(this, () => doWrite(this, chunk, encoding, callback));
+    }
+    abort(callback) {
+        return (0, utils_1.maybePromise)(callback, callback => {
+            if (this.state.streamEnd) {
+                // TODO(NODE-3485): Replace with MongoGridFSStreamClosed
+                return callback(new error_1.MongoAPIError('Cannot abort a stream that has already completed'));
+            }
+            if (this.state.aborted) {
+                // TODO(NODE-3485): Replace with MongoGridFSStreamClosed
+                return callback(new error_1.MongoAPIError('Cannot call abort() on a stream twice'));
+            }
+            this.state.aborted = true;
+            this.chunks.deleteMany({ files_id: this.id }, error => callback(error));
+        });
+    }
+    end(chunkOrCallback, encodingOrCallback, callback) {
+        const chunk = typeof chunkOrCallback === 'function' ? undefined : chunkOrCallback;
+        const encoding = typeof encodingOrCallback === 'function' ? undefined : encodingOrCallback;
+        callback =
+            typeof chunkOrCallback === 'function'
+                ? chunkOrCallback
+                : typeof encodingOrCallback === 'function'
+                    ? encodingOrCallback
+                    : callback;
+        if (this.state.streamEnd || checkAborted(this, callback))
+            return this;
+        this.state.streamEnd = true;
+        if (callback) {
+            this.once(GridFSBucketWriteStream.FINISH, (result) => {
+                if (callback)
+                    callback(undefined, result);
+            });
+        }
+        if (!chunk) {
+            waitForIndexes(this, () => !!writeRemnant(this));
+            return this;
+        }
+        this.write(chunk, encoding, () => {
+            writeRemnant(this);
+        });
+        return this;
+    }
+}
+exports.GridFSBucketWriteStream = GridFSBucketWriteStream;
+/** @event */
+GridFSBucketWriteStream.CLOSE = 'close';
+/** @event */
+GridFSBucketWriteStream.ERROR = 'error';
+/**
+ * `end()` was called and the write stream successfully wrote the file metadata and all the chunks to MongoDB.
+ * @event
+ */
+GridFSBucketWriteStream.FINISH = 'finish';
+function __handleError(stream, error, callback) {
+    if (stream.state.errored) {
+        return;
+    }
+    stream.state.errored = true;
+    if (callback) {
+        return callback(error);
+    }
+    stream.emit(GridFSBucketWriteStream.ERROR, error);
+}
+function createChunkDoc(filesId, n, data) {
+    return {
+        _id: new bson_1.ObjectId(),
+        files_id: filesId,
+        n,
+        data
+    };
+}
+function checkChunksIndex(stream, callback) {
+    stream.chunks.listIndexes().toArray((error, indexes) => {
+        let index;
+        if (error) {
+            // Collection doesn't exist so create index
+            if (error instanceof error_1.MongoError && error.code === error_1.MONGODB_ERROR_CODES.NamespaceNotFound) {
+                index = { files_id: 1, n: 1 };
+                stream.chunks.createIndex(index, { background: false, unique: true }, error => {
+                    if (error) {
+                        return callback(error);
+                    }
+                    callback();
+                });
+                return;
+            }
+            return callback(error);
+        }
+        let hasChunksIndex = false;
+        if (indexes) {
+            indexes.forEach((index) => {
+                if (index.key) {
+                    const keys = Object.keys(index.key);
+                    if (keys.length === 2 && index.key.files_id === 1 && index.key.n === 1) {
+                        hasChunksIndex = true;
+                    }
+                }
+            });
+        }
+        if (hasChunksIndex) {
+            callback();
+        }
+        else {
+            index = { files_id: 1, n: 1 };
+            const writeConcernOptions = getWriteOptions(stream);
+            stream.chunks.createIndex(index, {
+                ...writeConcernOptions,
+                background: true,
+                unique: true
+            }, callback);
+        }
+    });
+}
+function checkDone(stream, callback) {
+    if (stream.done)
+        return true;
+    if (stream.state.streamEnd && stream.state.outstandingRequests === 0 && !stream.state.errored) {
+        // Set done so we do not trigger duplicate createFilesDoc
+        stream.done = true;
+        // Create a new files doc
+        const filesDoc = createFilesDoc(stream.id, stream.length, stream.chunkSizeBytes, stream.filename, stream.options.contentType, stream.options.aliases, stream.options.metadata);
+        if (checkAborted(stream, callback)) {
+            return false;
+        }
+        stream.files.insertOne(filesDoc, getWriteOptions(stream), (error) => {
+            if (error) {
+                return __handleError(stream, error, callback);
+            }
+            stream.emit(GridFSBucketWriteStream.FINISH, filesDoc);
+            stream.emit(GridFSBucketWriteStream.CLOSE);
+        });
+        return true;
+    }
+    return false;
+}
+function checkIndexes(stream, callback) {
+    stream.files.findOne({}, { projection: { _id: 1 } }, (error, doc) => {
+        if (error) {
+            return callback(error);
+        }
+        if (doc) {
+            return callback();
+        }
+        stream.files.listIndexes().toArray((error, indexes) => {
+            let index;
+            if (error) {
+                // Collection doesn't exist so create index
+                if (error instanceof error_1.MongoError && error.code === error_1.MONGODB_ERROR_CODES.NamespaceNotFound) {
+                    index = { filename: 1, uploadDate: 1 };
+                    stream.files.createIndex(index, { background: false }, (error) => {
+                        if (error) {
+                            return callback(error);
+                        }
+                        checkChunksIndex(stream, callback);
+                    });
+                    return;
+                }
+                return callback(error);
+            }
+            let hasFileIndex = false;
+            if (indexes) {
+                indexes.forEach((index) => {
+                    const keys = Object.keys(index.key);
+                    if (keys.length === 2 && index.key.filename === 1 && index.key.uploadDate === 1) {
+                        hasFileIndex = true;
+                    }
+                });
+            }
+            if (hasFileIndex) {
+                checkChunksIndex(stream, callback);
+            }
+            else {
+                index = { filename: 1, uploadDate: 1 };
+                const writeConcernOptions = getWriteOptions(stream);
+                stream.files.createIndex(index, {
+                    ...writeConcernOptions,
+                    background: false
+                }, (error) => {
+                    if (error) {
+                        return callback(error);
+                    }
+                    checkChunksIndex(stream, callback);
+                });
+            }
+        });
+    });
+}
+function createFilesDoc(_id, length, chunkSize, filename, contentType, aliases, metadata) {
+    const ret = {
+        _id,
+        length,
+        chunkSize,
+        uploadDate: new Date(),
+        filename
+    };
+    if (contentType) {
+        ret.contentType = contentType;
+    }
+    if (aliases) {
+        ret.aliases = aliases;
+    }
+    if (metadata) {
+        ret.metadata = metadata;
+    }
+    return ret;
+}
+function doWrite(stream, chunk, encoding, callback) {
+    if (checkAborted(stream, callback)) {
+        return false;
+    }
+    const inputBuf = Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk, encoding);
+    stream.length += inputBuf.length;
+    // Input is small enough to fit in our buffer
+    if (stream.pos + inputBuf.length < stream.chunkSizeBytes) {
+        inputBuf.copy(stream.bufToStore, stream.pos);
+        stream.pos += inputBuf.length;
+        callback && callback();
+        // Note that we reverse the typical semantics of write's return value
+        // to be compatible with node's `.pipe()` function.
+        // True means client can keep writing.
+        return true;
+    }
+    // Otherwise, buffer is too big for current chunk, so we need to flush
+    // to MongoDB.
+    let inputBufRemaining = inputBuf.length;
+    let spaceRemaining = stream.chunkSizeBytes - stream.pos;
+    let numToCopy = Math.min(spaceRemaining, inputBuf.length);
+    let outstandingRequests = 0;
+    while (inputBufRemaining > 0) {
+        const inputBufPos = inputBuf.length - inputBufRemaining;
+        inputBuf.copy(stream.bufToStore, stream.pos, inputBufPos, inputBufPos + numToCopy);
+        stream.pos += numToCopy;
+        spaceRemaining -= numToCopy;
+        let doc;
+        if (spaceRemaining === 0) {
+            doc = createChunkDoc(stream.id, stream.n, Buffer.from(stream.bufToStore));
+            ++stream.state.outstandingRequests;
+            ++outstandingRequests;
+            if (checkAborted(stream, callback)) {
+                return false;
+            }
+            stream.chunks.insertOne(doc, getWriteOptions(stream), (error) => {
+                if (error) {
+                    return __handleError(stream, error);
+                }
+                --stream.state.outstandingRequests;
+                --outstandingRequests;
+                if (!outstandingRequests) {
+                    stream.emit('drain', doc);
+                    callback && callback();
+                    checkDone(stream);
+                }
+            });
+            spaceRemaining = stream.chunkSizeBytes;
+            stream.pos = 0;
+            ++stream.n;
+        }
+        inputBufRemaining -= numToCopy;
+        numToCopy = Math.min(spaceRemaining, inputBufRemaining);
+    }
+    // Note that we reverse the typical semantics of write's return value
+    // to be compatible with node's `.pipe()` function.
+    // False means the client should wait for the 'drain' event.
+    return false;
+}
+function getWriteOptions(stream) {
+    const obj = {};
+    if (stream.writeConcern) {
+        obj.writeConcern = {
+            w: stream.writeConcern.w,
+            wtimeout: stream.writeConcern.wtimeout,
+            j: stream.writeConcern.j
+        };
+    }
+    return obj;
+}
+function waitForIndexes(stream, callback) {
+    if (stream.bucket.s.checkedIndexes) {
+        return callback(false);
+    }
+    stream.bucket.once('index', () => {
+        callback(true);
+    });
+    return true;
+}
+function writeRemnant(stream, callback) {
+    // Buffer is empty, so don't bother to insert
+    if (stream.pos === 0) {
+        return checkDone(stream, callback);
+    }
+    ++stream.state.outstandingRequests;
+    // Create a new buffer to make sure the buffer isn't bigger than it needs
+    // to be.
+    const remnant = Buffer.alloc(stream.pos);
+    stream.bufToStore.copy(remnant, 0, 0, stream.pos);
+    const doc = createChunkDoc(stream.id, stream.n, remnant);
+    // If the stream was aborted, do not write remnant
+    if (checkAborted(stream, callback)) {
+        return false;
+    }
+    stream.chunks.insertOne(doc, getWriteOptions(stream), (error) => {
+        if (error) {
+            return __handleError(stream, error);
+        }
+        --stream.state.outstandingRequests;
+        checkDone(stream);
+    });
+    return true;
+}
+function checkAborted(stream, callback) {
+    if (stream.state.aborted) {
+        if (typeof callback === 'function') {
+            // TODO(NODE-3485): Replace with MongoGridFSStreamClosedError
+            callback(new error_1.MongoAPIError('Stream has been aborted'));
+        }
+        return true;
+    }
+    return false;
+}
+//# sourceMappingURL=upload.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/gridfs/upload.js.map b/node_modules/mongoose/node_modules/mongodb/lib/gridfs/upload.js.map
new file mode 100644
index 000000000..c9c6c481a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/gridfs/upload.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/index.js b/node_modules/mongoose/node_modules/mongodb/lib/index.js
new file mode 100644
index 000000000..297f17129
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/index.js
@@ -0,0 +1,164 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AbstractCursor = exports.MongoWriteConcernError = exports.MongoUnexpectedServerResponseError = exports.MongoTransactionError = exports.MongoTopologyClosedError = exports.MongoTailableCursorError = exports.MongoSystemError = exports.MongoServerSelectionError = exports.MongoServerError = exports.MongoServerClosedError = exports.MongoRuntimeError = exports.MongoParseError = exports.MongoNotConnectedError = exports.MongoNetworkTimeoutError = exports.MongoNetworkError = exports.MongoMissingDependencyError = exports.MongoMissingCredentialsError = exports.MongoKerberosError = exports.MongoInvalidArgumentError = exports.MongoGridFSStreamError = exports.MongoGridFSChunkError = exports.MongoExpiredSessionError = exports.MongoError = exports.MongoDriverError = exports.MongoDecompressionError = exports.MongoCursorInUseError = exports.MongoCursorExhaustedError = exports.MongoCompatibilityError = exports.MongoChangeStreamError = exports.MongoBatchReExecutionError = exports.MongoAWSError = exports.MongoAPIError = exports.MongoBulkWriteError = exports.ObjectID = exports.ChangeStreamCursor = exports.Timestamp = exports.ObjectId = exports.MinKey = exports.MaxKey = exports.Map = exports.Long = exports.Int32 = exports.Double = exports.Decimal128 = exports.DBRef = exports.Code = exports.BSONSymbol = exports.BSONRegExp = exports.Binary = exports.BSON = void 0;
+exports.ServerHeartbeatFailedEvent = exports.ServerDescriptionChangedEvent = exports.ServerClosedEvent = exports.ConnectionReadyEvent = exports.ConnectionPoolMonitoringEvent = exports.ConnectionPoolCreatedEvent = exports.ConnectionPoolClosedEvent = exports.ConnectionPoolClearedEvent = exports.ConnectionCreatedEvent = exports.ConnectionClosedEvent = exports.ConnectionCheckOutStartedEvent = exports.ConnectionCheckOutFailedEvent = exports.ConnectionCheckedOutEvent = exports.ConnectionCheckedInEvent = exports.CommandSucceededEvent = exports.CommandStartedEvent = exports.CommandFailedEvent = exports.WriteConcern = exports.ReadPreference = exports.ReadConcern = exports.TopologyType = exports.ServerType = exports.ReadPreferenceMode = exports.ReadConcernLevel = exports.ProfilingLevel = exports.ReturnDocument = exports.BSONType = exports.ServerApiVersion = exports.LoggerLevel = exports.ExplainVerbosity = exports.MongoErrorLabel = exports.AutoEncryptionLoggerLevel = exports.CURSOR_FLAGS = exports.Compressor = exports.AuthMechanism = exports.GSSAPICanonicalizationValue = exports.BatchType = exports.Promise = exports.MongoClient = exports.Logger = exports.ListIndexesCursor = exports.ListCollectionsCursor = exports.GridFSBucket = exports.FindCursor = exports.Db = exports.Collection = exports.ChangeStream = exports.CancellationToken = exports.AggregationCursor = exports.Admin = void 0;
+exports.SrvPollingEvent = exports.TopologyOpeningEvent = exports.TopologyDescriptionChangedEvent = exports.TopologyClosedEvent = exports.ServerOpeningEvent = exports.ServerHeartbeatSucceededEvent = exports.ServerHeartbeatStartedEvent = void 0;
+const admin_1 = require("./admin");
+Object.defineProperty(exports, "Admin", { enumerable: true, get: function () { return admin_1.Admin; } });
+const bson_1 = require("./bson");
+const change_stream_1 = require("./change_stream");
+Object.defineProperty(exports, "ChangeStream", { enumerable: true, get: function () { return change_stream_1.ChangeStream; } });
+const collection_1 = require("./collection");
+Object.defineProperty(exports, "Collection", { enumerable: true, get: function () { return collection_1.Collection; } });
+const abstract_cursor_1 = require("./cursor/abstract_cursor");
+Object.defineProperty(exports, "AbstractCursor", { enumerable: true, get: function () { return abstract_cursor_1.AbstractCursor; } });
+const aggregation_cursor_1 = require("./cursor/aggregation_cursor");
+Object.defineProperty(exports, "AggregationCursor", { enumerable: true, get: function () { return aggregation_cursor_1.AggregationCursor; } });
+const find_cursor_1 = require("./cursor/find_cursor");
+Object.defineProperty(exports, "FindCursor", { enumerable: true, get: function () { return find_cursor_1.FindCursor; } });
+const list_collections_cursor_1 = require("./cursor/list_collections_cursor");
+Object.defineProperty(exports, "ListCollectionsCursor", { enumerable: true, get: function () { return list_collections_cursor_1.ListCollectionsCursor; } });
+const list_indexes_cursor_1 = require("./cursor/list_indexes_cursor");
+Object.defineProperty(exports, "ListIndexesCursor", { enumerable: true, get: function () { return list_indexes_cursor_1.ListIndexesCursor; } });
+const db_1 = require("./db");
+Object.defineProperty(exports, "Db", { enumerable: true, get: function () { return db_1.Db; } });
+const gridfs_1 = require("./gridfs");
+Object.defineProperty(exports, "GridFSBucket", { enumerable: true, get: function () { return gridfs_1.GridFSBucket; } });
+const logger_1 = require("./logger");
+Object.defineProperty(exports, "Logger", { enumerable: true, get: function () { return logger_1.Logger; } });
+const mongo_client_1 = require("./mongo_client");
+Object.defineProperty(exports, "MongoClient", { enumerable: true, get: function () { return mongo_client_1.MongoClient; } });
+const mongo_types_1 = require("./mongo_types");
+Object.defineProperty(exports, "CancellationToken", { enumerable: true, get: function () { return mongo_types_1.CancellationToken; } });
+const promise_provider_1 = require("./promise_provider");
+Object.defineProperty(exports, "Promise", { enumerable: true, get: function () { return promise_provider_1.PromiseProvider; } });
+/** @internal */
+var bson_2 = require("./bson");
+Object.defineProperty(exports, "BSON", { enumerable: true, get: function () { return bson_2.BSON; } });
+var bson_3 = require("./bson");
+Object.defineProperty(exports, "Binary", { enumerable: true, get: function () { return bson_3.Binary; } });
+Object.defineProperty(exports, "BSONRegExp", { enumerable: true, get: function () { return bson_3.BSONRegExp; } });
+Object.defineProperty(exports, "BSONSymbol", { enumerable: true, get: function () { return bson_3.BSONSymbol; } });
+Object.defineProperty(exports, "Code", { enumerable: true, get: function () { return bson_3.Code; } });
+Object.defineProperty(exports, "DBRef", { enumerable: true, get: function () { return bson_3.DBRef; } });
+Object.defineProperty(exports, "Decimal128", { enumerable: true, get: function () { return bson_3.Decimal128; } });
+Object.defineProperty(exports, "Double", { enumerable: true, get: function () { return bson_3.Double; } });
+Object.defineProperty(exports, "Int32", { enumerable: true, get: function () { return bson_3.Int32; } });
+Object.defineProperty(exports, "Long", { enumerable: true, get: function () { return bson_3.Long; } });
+Object.defineProperty(exports, "Map", { enumerable: true, get: function () { return bson_3.Map; } });
+Object.defineProperty(exports, "MaxKey", { enumerable: true, get: function () { return bson_3.MaxKey; } });
+Object.defineProperty(exports, "MinKey", { enumerable: true, get: function () { return bson_3.MinKey; } });
+Object.defineProperty(exports, "ObjectId", { enumerable: true, get: function () { return bson_3.ObjectId; } });
+Object.defineProperty(exports, "Timestamp", { enumerable: true, get: function () { return bson_3.Timestamp; } });
+var change_stream_cursor_1 = require("./cursor/change_stream_cursor");
+Object.defineProperty(exports, "ChangeStreamCursor", { enumerable: true, get: function () { return change_stream_cursor_1.ChangeStreamCursor; } });
+/**
+ * @public
+ * @deprecated Please use `ObjectId`
+ */
+exports.ObjectID = bson_1.ObjectId;
+var common_1 = require("./bulk/common");
+Object.defineProperty(exports, "MongoBulkWriteError", { enumerable: true, get: function () { return common_1.MongoBulkWriteError; } });
+var error_1 = require("./error");
+Object.defineProperty(exports, "MongoAPIError", { enumerable: true, get: function () { return error_1.MongoAPIError; } });
+Object.defineProperty(exports, "MongoAWSError", { enumerable: true, get: function () { return error_1.MongoAWSError; } });
+Object.defineProperty(exports, "MongoBatchReExecutionError", { enumerable: true, get: function () { return error_1.MongoBatchReExecutionError; } });
+Object.defineProperty(exports, "MongoChangeStreamError", { enumerable: true, get: function () { return error_1.MongoChangeStreamError; } });
+Object.defineProperty(exports, "MongoCompatibilityError", { enumerable: true, get: function () { return error_1.MongoCompatibilityError; } });
+Object.defineProperty(exports, "MongoCursorExhaustedError", { enumerable: true, get: function () { return error_1.MongoCursorExhaustedError; } });
+Object.defineProperty(exports, "MongoCursorInUseError", { enumerable: true, get: function () { return error_1.MongoCursorInUseError; } });
+Object.defineProperty(exports, "MongoDecompressionError", { enumerable: true, get: function () { return error_1.MongoDecompressionError; } });
+Object.defineProperty(exports, "MongoDriverError", { enumerable: true, get: function () { return error_1.MongoDriverError; } });
+Object.defineProperty(exports, "MongoError", { enumerable: true, get: function () { return error_1.MongoError; } });
+Object.defineProperty(exports, "MongoExpiredSessionError", { enumerable: true, get: function () { return error_1.MongoExpiredSessionError; } });
+Object.defineProperty(exports, "MongoGridFSChunkError", { enumerable: true, get: function () { return error_1.MongoGridFSChunkError; } });
+Object.defineProperty(exports, "MongoGridFSStreamError", { enumerable: true, get: function () { return error_1.MongoGridFSStreamError; } });
+Object.defineProperty(exports, "MongoInvalidArgumentError", { enumerable: true, get: function () { return error_1.MongoInvalidArgumentError; } });
+Object.defineProperty(exports, "MongoKerberosError", { enumerable: true, get: function () { return error_1.MongoKerberosError; } });
+Object.defineProperty(exports, "MongoMissingCredentialsError", { enumerable: true, get: function () { return error_1.MongoMissingCredentialsError; } });
+Object.defineProperty(exports, "MongoMissingDependencyError", { enumerable: true, get: function () { return error_1.MongoMissingDependencyError; } });
+Object.defineProperty(exports, "MongoNetworkError", { enumerable: true, get: function () { return error_1.MongoNetworkError; } });
+Object.defineProperty(exports, "MongoNetworkTimeoutError", { enumerable: true, get: function () { return error_1.MongoNetworkTimeoutError; } });
+Object.defineProperty(exports, "MongoNotConnectedError", { enumerable: true, get: function () { return error_1.MongoNotConnectedError; } });
+Object.defineProperty(exports, "MongoParseError", { enumerable: true, get: function () { return error_1.MongoParseError; } });
+Object.defineProperty(exports, "MongoRuntimeError", { enumerable: true, get: function () { return error_1.MongoRuntimeError; } });
+Object.defineProperty(exports, "MongoServerClosedError", { enumerable: true, get: function () { return error_1.MongoServerClosedError; } });
+Object.defineProperty(exports, "MongoServerError", { enumerable: true, get: function () { return error_1.MongoServerError; } });
+Object.defineProperty(exports, "MongoServerSelectionError", { enumerable: true, get: function () { return error_1.MongoServerSelectionError; } });
+Object.defineProperty(exports, "MongoSystemError", { enumerable: true, get: function () { return error_1.MongoSystemError; } });
+Object.defineProperty(exports, "MongoTailableCursorError", { enumerable: true, get: function () { return error_1.MongoTailableCursorError; } });
+Object.defineProperty(exports, "MongoTopologyClosedError", { enumerable: true, get: function () { return error_1.MongoTopologyClosedError; } });
+Object.defineProperty(exports, "MongoTransactionError", { enumerable: true, get: function () { return error_1.MongoTransactionError; } });
+Object.defineProperty(exports, "MongoUnexpectedServerResponseError", { enumerable: true, get: function () { return error_1.MongoUnexpectedServerResponseError; } });
+Object.defineProperty(exports, "MongoWriteConcernError", { enumerable: true, get: function () { return error_1.MongoWriteConcernError; } });
+// enums
+var common_2 = require("./bulk/common");
+Object.defineProperty(exports, "BatchType", { enumerable: true, get: function () { return common_2.BatchType; } });
+var gssapi_1 = require("./cmap/auth/gssapi");
+Object.defineProperty(exports, "GSSAPICanonicalizationValue", { enumerable: true, get: function () { return gssapi_1.GSSAPICanonicalizationValue; } });
+var providers_1 = require("./cmap/auth/providers");
+Object.defineProperty(exports, "AuthMechanism", { enumerable: true, get: function () { return providers_1.AuthMechanism; } });
+var compression_1 = require("./cmap/wire_protocol/compression");
+Object.defineProperty(exports, "Compressor", { enumerable: true, get: function () { return compression_1.Compressor; } });
+var abstract_cursor_2 = require("./cursor/abstract_cursor");
+Object.defineProperty(exports, "CURSOR_FLAGS", { enumerable: true, get: function () { return abstract_cursor_2.CURSOR_FLAGS; } });
+var deps_1 = require("./deps");
+Object.defineProperty(exports, "AutoEncryptionLoggerLevel", { enumerable: true, get: function () { return deps_1.AutoEncryptionLoggerLevel; } });
+var error_2 = require("./error");
+Object.defineProperty(exports, "MongoErrorLabel", { enumerable: true, get: function () { return error_2.MongoErrorLabel; } });
+var explain_1 = require("./explain");
+Object.defineProperty(exports, "ExplainVerbosity", { enumerable: true, get: function () { return explain_1.ExplainVerbosity; } });
+var logger_2 = require("./logger");
+Object.defineProperty(exports, "LoggerLevel", { enumerable: true, get: function () { return logger_2.LoggerLevel; } });
+var mongo_client_2 = require("./mongo_client");
+Object.defineProperty(exports, "ServerApiVersion", { enumerable: true, get: function () { return mongo_client_2.ServerApiVersion; } });
+var mongo_types_2 = require("./mongo_types");
+Object.defineProperty(exports, "BSONType", { enumerable: true, get: function () { return mongo_types_2.BSONType; } });
+var find_and_modify_1 = require("./operations/find_and_modify");
+Object.defineProperty(exports, "ReturnDocument", { enumerable: true, get: function () { return find_and_modify_1.ReturnDocument; } });
+var set_profiling_level_1 = require("./operations/set_profiling_level");
+Object.defineProperty(exports, "ProfilingLevel", { enumerable: true, get: function () { return set_profiling_level_1.ProfilingLevel; } });
+var read_concern_1 = require("./read_concern");
+Object.defineProperty(exports, "ReadConcernLevel", { enumerable: true, get: function () { return read_concern_1.ReadConcernLevel; } });
+var read_preference_1 = require("./read_preference");
+Object.defineProperty(exports, "ReadPreferenceMode", { enumerable: true, get: function () { return read_preference_1.ReadPreferenceMode; } });
+var common_3 = require("./sdam/common");
+Object.defineProperty(exports, "ServerType", { enumerable: true, get: function () { return common_3.ServerType; } });
+Object.defineProperty(exports, "TopologyType", { enumerable: true, get: function () { return common_3.TopologyType; } });
+// Helper classes
+var read_concern_2 = require("./read_concern");
+Object.defineProperty(exports, "ReadConcern", { enumerable: true, get: function () { return read_concern_2.ReadConcern; } });
+var read_preference_2 = require("./read_preference");
+Object.defineProperty(exports, "ReadPreference", { enumerable: true, get: function () { return read_preference_2.ReadPreference; } });
+var write_concern_1 = require("./write_concern");
+Object.defineProperty(exports, "WriteConcern", { enumerable: true, get: function () { return write_concern_1.WriteConcern; } });
+// events
+var command_monitoring_events_1 = require("./cmap/command_monitoring_events");
+Object.defineProperty(exports, "CommandFailedEvent", { enumerable: true, get: function () { return command_monitoring_events_1.CommandFailedEvent; } });
+Object.defineProperty(exports, "CommandStartedEvent", { enumerable: true, get: function () { return command_monitoring_events_1.CommandStartedEvent; } });
+Object.defineProperty(exports, "CommandSucceededEvent", { enumerable: true, get: function () { return command_monitoring_events_1.CommandSucceededEvent; } });
+var connection_pool_events_1 = require("./cmap/connection_pool_events");
+Object.defineProperty(exports, "ConnectionCheckedInEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionCheckedInEvent; } });
+Object.defineProperty(exports, "ConnectionCheckedOutEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionCheckedOutEvent; } });
+Object.defineProperty(exports, "ConnectionCheckOutFailedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionCheckOutFailedEvent; } });
+Object.defineProperty(exports, "ConnectionCheckOutStartedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionCheckOutStartedEvent; } });
+Object.defineProperty(exports, "ConnectionClosedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionClosedEvent; } });
+Object.defineProperty(exports, "ConnectionCreatedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionCreatedEvent; } });
+Object.defineProperty(exports, "ConnectionPoolClearedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionPoolClearedEvent; } });
+Object.defineProperty(exports, "ConnectionPoolClosedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionPoolClosedEvent; } });
+Object.defineProperty(exports, "ConnectionPoolCreatedEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionPoolCreatedEvent; } });
+Object.defineProperty(exports, "ConnectionPoolMonitoringEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionPoolMonitoringEvent; } });
+Object.defineProperty(exports, "ConnectionReadyEvent", { enumerable: true, get: function () { return connection_pool_events_1.ConnectionReadyEvent; } });
+var events_1 = require("./sdam/events");
+Object.defineProperty(exports, "ServerClosedEvent", { enumerable: true, get: function () { return events_1.ServerClosedEvent; } });
+Object.defineProperty(exports, "ServerDescriptionChangedEvent", { enumerable: true, get: function () { return events_1.ServerDescriptionChangedEvent; } });
+Object.defineProperty(exports, "ServerHeartbeatFailedEvent", { enumerable: true, get: function () { return events_1.ServerHeartbeatFailedEvent; } });
+Object.defineProperty(exports, "ServerHeartbeatStartedEvent", { enumerable: true, get: function () { return events_1.ServerHeartbeatStartedEvent; } });
+Object.defineProperty(exports, "ServerHeartbeatSucceededEvent", { enumerable: true, get: function () { return events_1.ServerHeartbeatSucceededEvent; } });
+Object.defineProperty(exports, "ServerOpeningEvent", { enumerable: true, get: function () { return events_1.ServerOpeningEvent; } });
+Object.defineProperty(exports, "TopologyClosedEvent", { enumerable: true, get: function () { return events_1.TopologyClosedEvent; } });
+Object.defineProperty(exports, "TopologyDescriptionChangedEvent", { enumerable: true, get: function () { return events_1.TopologyDescriptionChangedEvent; } });
+Object.defineProperty(exports, "TopologyOpeningEvent", { enumerable: true, get: function () { return events_1.TopologyOpeningEvent; } });
+var srv_polling_1 = require("./sdam/srv_polling");
+Object.defineProperty(exports, "SrvPollingEvent", { enumerable: true, get: function () { return srv_polling_1.SrvPollingEvent; } });
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/index.js.map b/node_modules/mongoose/node_modules/mongodb/lib/index.js.map
new file mode 100644
index 000000000..58d3483bc
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/index.js.map
@@ -0,0 +1 @@
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diff --git a/node_modules/mongoose/node_modules/mongodb/lib/logger.js b/node_modules/mongoose/node_modules/mongodb/lib/logger.js
new file mode 100644
index 000000000..03e036e7c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/logger.js
@@ -0,0 +1,217 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Logger = exports.LoggerLevel = void 0;
+const util_1 = require("util");
+const error_1 = require("./error");
+const utils_1 = require("./utils");
+// Filters for classes
+const classFilters = {};
+let filteredClasses = {};
+let level;
+// Save the process id
+const pid = process.pid;
+// current logger
+// eslint-disable-next-line no-console
+let currentLogger = console.warn;
+/** @public */
+exports.LoggerLevel = Object.freeze({
+    ERROR: 'error',
+    WARN: 'warn',
+    INFO: 'info',
+    DEBUG: 'debug',
+    error: 'error',
+    warn: 'warn',
+    info: 'info',
+    debug: 'debug'
+});
+/**
+ * @public
+ */
+class Logger {
+    /**
+     * Creates a new Logger instance
+     *
+     * @param className - The Class name associated with the logging instance
+     * @param options - Optional logging settings
+     */
+    constructor(className, options) {
+        options = options !== null && options !== void 0 ? options : {};
+        // Current reference
+        this.className = className;
+        // Current logger
+        if (!(options.logger instanceof Logger) && typeof options.logger === 'function') {
+            currentLogger = options.logger;
+        }
+        // Set level of logging, default is error
+        if (options.loggerLevel) {
+            level = options.loggerLevel || exports.LoggerLevel.ERROR;
+        }
+        // Add all class names
+        if (filteredClasses[this.className] == null) {
+            classFilters[this.className] = true;
+        }
+    }
+    /**
+     * Log a message at the debug level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    debug(message, object) {
+        if (this.isDebug() &&
+            ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+                (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))) {
+            const dateTime = new Date().getTime();
+            const msg = (0, util_1.format)('[%s-%s:%s] %s %s', 'DEBUG', this.className, pid, dateTime, message);
+            const state = {
+                type: exports.LoggerLevel.DEBUG,
+                message,
+                className: this.className,
+                pid,
+                date: dateTime
+            };
+            if (object)
+                state.meta = object;
+            currentLogger(msg, state);
+        }
+    }
+    /**
+     * Log a message at the warn level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    warn(message, object) {
+        if (this.isWarn() &&
+            ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+                (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))) {
+            const dateTime = new Date().getTime();
+            const msg = (0, util_1.format)('[%s-%s:%s] %s %s', 'WARN', this.className, pid, dateTime, message);
+            const state = {
+                type: exports.LoggerLevel.WARN,
+                message,
+                className: this.className,
+                pid,
+                date: dateTime
+            };
+            if (object)
+                state.meta = object;
+            currentLogger(msg, state);
+        }
+    }
+    /**
+     * Log a message at the info level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    info(message, object) {
+        if (this.isInfo() &&
+            ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+                (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))) {
+            const dateTime = new Date().getTime();
+            const msg = (0, util_1.format)('[%s-%s:%s] %s %s', 'INFO', this.className, pid, dateTime, message);
+            const state = {
+                type: exports.LoggerLevel.INFO,
+                message,
+                className: this.className,
+                pid,
+                date: dateTime
+            };
+            if (object)
+                state.meta = object;
+            currentLogger(msg, state);
+        }
+    }
+    /**
+     * Log a message at the error level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    error(message, object) {
+        if (this.isError() &&
+            ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+                (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))) {
+            const dateTime = new Date().getTime();
+            const msg = (0, util_1.format)('[%s-%s:%s] %s %s', 'ERROR', this.className, pid, dateTime, message);
+            const state = {
+                type: exports.LoggerLevel.ERROR,
+                message,
+                className: this.className,
+                pid,
+                date: dateTime
+            };
+            if (object)
+                state.meta = object;
+            currentLogger(msg, state);
+        }
+    }
+    /** Is the logger set at info level */
+    isInfo() {
+        return level === exports.LoggerLevel.INFO || level === exports.LoggerLevel.DEBUG;
+    }
+    /** Is the logger set at error level */
+    isError() {
+        return level === exports.LoggerLevel.ERROR || level === exports.LoggerLevel.INFO || level === exports.LoggerLevel.DEBUG;
+    }
+    /** Is the logger set at error level */
+    isWarn() {
+        return (level === exports.LoggerLevel.ERROR ||
+            level === exports.LoggerLevel.WARN ||
+            level === exports.LoggerLevel.INFO ||
+            level === exports.LoggerLevel.DEBUG);
+    }
+    /** Is the logger set at debug level */
+    isDebug() {
+        return level === exports.LoggerLevel.DEBUG;
+    }
+    /** Resets the logger to default settings, error and no filtered classes */
+    static reset() {
+        level = exports.LoggerLevel.ERROR;
+        filteredClasses = {};
+    }
+    /** Get the current logger function */
+    static currentLogger() {
+        return currentLogger;
+    }
+    /**
+     * Set the current logger function
+     *
+     * @param logger - Custom logging function
+     */
+    static setCurrentLogger(logger) {
+        if (typeof logger !== 'function') {
+            throw new error_1.MongoInvalidArgumentError('Current logger must be a function');
+        }
+        currentLogger = logger;
+    }
+    /**
+     * Filter log messages for a particular class
+     *
+     * @param type - The type of filter (currently only class)
+     * @param values - The filters to apply
+     */
+    static filter(type, values) {
+        if (type === 'class' && Array.isArray(values)) {
+            filteredClasses = {};
+            values.forEach(x => (filteredClasses[x] = true));
+        }
+    }
+    /**
+     * Set the current log level
+     *
+     * @param newLevel - Set current log level (debug, warn, info, error)
+     */
+    static setLevel(newLevel) {
+        if (newLevel !== exports.LoggerLevel.INFO &&
+            newLevel !== exports.LoggerLevel.ERROR &&
+            newLevel !== exports.LoggerLevel.DEBUG &&
+            newLevel !== exports.LoggerLevel.WARN) {
+            throw new error_1.MongoInvalidArgumentError(`Argument "newLevel" should be one of ${(0, utils_1.enumToString)(exports.LoggerLevel)}`);
+        }
+        level = newLevel;
+    }
+}
+exports.Logger = Logger;
+//# sourceMappingURL=logger.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/logger.js.map b/node_modules/mongoose/node_modules/mongodb/lib/logger.js.map
new file mode 100644
index 000000000..4bd0592f8
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/logger.js.map
@@ -0,0 +1 @@
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diff --git a/node_modules/mongoose/node_modules/mongodb/lib/mongo_client.js b/node_modules/mongoose/node_modules/mongodb/lib/mongo_client.js
new file mode 100644
index 000000000..0b2ebbeaf
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/mongo_client.js
@@ -0,0 +1,308 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MongoClient = exports.ServerApiVersion = void 0;
+const bson_1 = require("./bson");
+const change_stream_1 = require("./change_stream");
+const connection_string_1 = require("./connection_string");
+const db_1 = require("./db");
+const error_1 = require("./error");
+const mongo_types_1 = require("./mongo_types");
+const connect_1 = require("./operations/connect");
+const promise_provider_1 = require("./promise_provider");
+const read_preference_1 = require("./read_preference");
+const server_selection_1 = require("./sdam/server_selection");
+const sessions_1 = require("./sessions");
+const utils_1 = require("./utils");
+/** @public */
+exports.ServerApiVersion = Object.freeze({
+    v1: '1'
+});
+/** @internal */
+const kOptions = Symbol('options');
+/**
+ * The **MongoClient** class is a class that allows for making Connections to MongoDB.
+ * @public
+ *
+ * @remarks
+ * The programmatically provided options take precedence over the URI options.
+ *
+ * @example
+ * ```js
+ * // Connect using a MongoClient instance
+ * const MongoClient = require('mongodb').MongoClient;
+ * const test = require('assert');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ * // Connect using MongoClient
+ * const mongoClient = new MongoClient(url);
+ * mongoClient.connect(function(err, client) {
+ *   const db = client.db(dbName);
+ *   client.close();
+ * });
+ * ```
+ *
+ * @example
+ * ```js
+ * // Connect using the MongoClient.connect static method
+ * const MongoClient = require('mongodb').MongoClient;
+ * const test = require('assert');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, client) {
+ *   const db = client.db(dbName);
+ *   client.close();
+ * });
+ * ```
+ */
+class MongoClient extends mongo_types_1.TypedEventEmitter {
+    constructor(url, options) {
+        super();
+        this[kOptions] = (0, connection_string_1.parseOptions)(url, this, options);
+        // eslint-disable-next-line @typescript-eslint/no-this-alias
+        const client = this;
+        // The internal state
+        this.s = {
+            url,
+            bsonOptions: (0, bson_1.resolveBSONOptions)(this[kOptions]),
+            namespace: (0, utils_1.ns)('admin'),
+            hasBeenClosed: false,
+            sessionPool: new sessions_1.ServerSessionPool(this),
+            activeSessions: new Set(),
+            get options() {
+                return client[kOptions];
+            },
+            get readConcern() {
+                return client[kOptions].readConcern;
+            },
+            get writeConcern() {
+                return client[kOptions].writeConcern;
+            },
+            get readPreference() {
+                return client[kOptions].readPreference;
+            },
+            get logger() {
+                return client[kOptions].logger;
+            },
+            get isMongoClient() {
+                return true;
+            }
+        };
+    }
+    get options() {
+        return Object.freeze({ ...this[kOptions] });
+    }
+    get serverApi() {
+        return this[kOptions].serverApi && Object.freeze({ ...this[kOptions].serverApi });
+    }
+    /**
+     * Intended for APM use only
+     * @internal
+     */
+    get monitorCommands() {
+        return this[kOptions].monitorCommands;
+    }
+    set monitorCommands(value) {
+        this[kOptions].monitorCommands = value;
+    }
+    get autoEncrypter() {
+        return this[kOptions].autoEncrypter;
+    }
+    get readConcern() {
+        return this.s.readConcern;
+    }
+    get writeConcern() {
+        return this.s.writeConcern;
+    }
+    get readPreference() {
+        return this.s.readPreference;
+    }
+    get bsonOptions() {
+        return this.s.bsonOptions;
+    }
+    get logger() {
+        return this.s.logger;
+    }
+    connect(callback) {
+        if (callback && typeof callback !== 'function') {
+            throw new error_1.MongoInvalidArgumentError('Method `connect` only accepts a callback');
+        }
+        return (0, utils_1.maybePromise)(callback, cb => {
+            (0, connect_1.connect)(this, this[kOptions], err => {
+                if (err)
+                    return cb(err);
+                cb(undefined, this);
+            });
+        });
+    }
+    close(forceOrCallback, callback) {
+        // There's no way to set hasBeenClosed back to false
+        Object.defineProperty(this.s, 'hasBeenClosed', {
+            value: true,
+            enumerable: true,
+            configurable: false,
+            writable: false
+        });
+        if (typeof forceOrCallback === 'function') {
+            callback = forceOrCallback;
+        }
+        const force = typeof forceOrCallback === 'boolean' ? forceOrCallback : false;
+        return (0, utils_1.maybePromise)(callback, callback => {
+            if (this.topology == null) {
+                // Do not connect just to end sessions
+                return callback();
+            }
+            const activeSessionEnds = Array.from(this.s.activeSessions, session => session.endSession());
+            this.s.activeSessions.clear();
+            Promise.all(activeSessionEnds)
+                .then(() => {
+                if (this.topology == null) {
+                    return;
+                }
+                // If we would attempt to select a server and get nothing back we short circuit
+                // to avoid the server selection timeout.
+                const selector = (0, server_selection_1.readPreferenceServerSelector)(read_preference_1.ReadPreference.primaryPreferred);
+                const topologyDescription = this.topology.description;
+                const serverDescriptions = Array.from(topologyDescription.servers.values());
+                const servers = selector(topologyDescription, serverDescriptions);
+                if (servers.length === 0) {
+                    return;
+                }
+                const endSessions = Array.from(this.s.sessionPool.sessions, ({ id }) => id);
+                if (endSessions.length === 0)
+                    return;
+                return this.db('admin')
+                    .command({ endSessions }, { readPreference: read_preference_1.ReadPreference.primaryPreferred, noResponse: true })
+                    .catch(() => null); // outcome does not matter
+            })
+                .then(() => {
+                if (this.topology == null) {
+                    return;
+                }
+                // clear out references to old topology
+                const topology = this.topology;
+                this.topology = undefined;
+                return new Promise((resolve, reject) => {
+                    topology.close({ force }, error => {
+                        if (error)
+                            return reject(error);
+                        const { encrypter } = this[kOptions];
+                        if (encrypter) {
+                            return encrypter.close(this, force, error => {
+                                if (error)
+                                    return reject(error);
+                                resolve();
+                            });
+                        }
+                        resolve();
+                    });
+                });
+            })
+                .then(() => callback(), error => callback(error));
+        });
+    }
+    /**
+     * Create a new Db instance sharing the current socket connections.
+     *
+     * @param dbName - The name of the database we want to use. If not provided, use database name from connection string.
+     * @param options - Optional settings for Db construction
+     */
+    db(dbName, options) {
+        options = options !== null && options !== void 0 ? options : {};
+        // Default to db from connection string if not provided
+        if (!dbName) {
+            dbName = this.options.dbName;
+        }
+        // Copy the options and add out internal override of the not shared flag
+        const finalOptions = Object.assign({}, this[kOptions], options);
+        // Return the db object
+        const db = new db_1.Db(this, dbName, finalOptions);
+        // Return the database
+        return db;
+    }
+    static connect(url, options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        try {
+            // Create client
+            const mongoClient = new MongoClient(url, options);
+            // Execute the connect method
+            if (callback) {
+                return mongoClient.connect(callback);
+            }
+            else {
+                return mongoClient.connect();
+            }
+        }
+        catch (error) {
+            if (callback)
+                return callback(error);
+            else
+                return promise_provider_1.PromiseProvider.get().reject(error);
+        }
+    }
+    startSession(options) {
+        const session = new sessions_1.ClientSession(this, this.s.sessionPool, { explicit: true, ...options }, this[kOptions]);
+        this.s.activeSessions.add(session);
+        session.once('ended', () => {
+            this.s.activeSessions.delete(session);
+        });
+        return session;
+    }
+    withSession(optionsOrOperation, callback) {
+        const options = {
+            // Always define an owner
+            owner: Symbol(),
+            // If it's an object inherit the options
+            ...(typeof optionsOrOperation === 'object' ? optionsOrOperation : {})
+        };
+        const withSessionCallback = typeof optionsOrOperation === 'function' ? optionsOrOperation : callback;
+        if (withSessionCallback == null) {
+            throw new error_1.MongoInvalidArgumentError('Missing required callback parameter');
+        }
+        const session = this.startSession(options);
+        const Promise = promise_provider_1.PromiseProvider.get();
+        return Promise.resolve()
+            .then(() => withSessionCallback(session))
+            .then(() => {
+            // Do not return the result of callback
+        })
+            .finally(() => {
+            session.endSession().catch(() => null);
+        });
+    }
+    /**
+     * Create a new Change Stream, watching for new changes (insertions, updates,
+     * replacements, deletions, and invalidations) in this cluster. Will ignore all
+     * changes to system collections, as well as the local, admin, and config databases.
+     *
+     * @remarks
+     * watch() accepts two generic arguments for distinct usecases:
+     * - The first is to provide the schema that may be defined for all the data within the current cluster
+     * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+     *
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+     * @param options - Optional settings for the command
+     * @typeParam TSchema - Type of the data being detected by the change stream
+     * @typeParam TChange - Type of the whole change stream document emitted
+     */
+    watch(pipeline = [], options = {}) {
+        // Allow optionally not specifying a pipeline
+        if (!Array.isArray(pipeline)) {
+            options = pipeline;
+            pipeline = [];
+        }
+        return new change_stream_1.ChangeStream(this, pipeline, (0, utils_1.resolveOptions)(this, options));
+    }
+    /** Return the mongo client logger */
+    getLogger() {
+        return this.s.logger;
+    }
+}
+exports.MongoClient = MongoClient;
+//# sourceMappingURL=mongo_client.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/mongo_client.js.map b/node_modules/mongoose/node_modules/mongodb/lib/mongo_client.js.map
new file mode 100644
index 000000000..e03cd8728
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/mongo_client.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"mongo_client.js","sourceRoot":"","sources":["../src/mongo_client.ts"],"names":[],"mappings":";;;AAGA,iCAA4E;AAC5E,mDAA0F;AAM1F,2DAAmD;AAEnD,6BAAqC;AAGrC,mCAAoD;AAEpD,+CAAkD;AAClD,kDAA+C;AAC/C,yDAAqD;AAErD,uDAAuE;AAEvE,8DAAuE;AAGvE,yCAAoF;AACpF,mCAQiB;AAGjB,cAAc;AACD,QAAA,gBAAgB,GAAG,MAAM,CAAC,MAAM,CAAC;IAC5C,EAAE,EAAE,GAAG;CACC,CAAC,CAAC;AA4QZ,gBAAgB;AAChB,MAAM,QAAQ,GAAG,MAAM,CAAC,SAAS,CAAC,CAAC;AAEnC;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;GAuCG;AACH,MAAa,WAAY,SAAQ,+BAAoC;IAYnE,YAAY,GAAW,EAAE,OAA4B;QACnD,KAAK,EAAE,CAAC;QAER,IAAI,CAAC,QAAQ,CAAC,GAAG,IAAA,gCAAY,EAAC,GAAG,EAAE,IAAI,EAAE,OAAO,CAAC,CAAC;QAElD,4DAA4D;QAC5D,MAAM,MAAM,GAAG,IAAI,CAAC;QAEpB,qBAAqB;QACrB,IAAI,CAAC,CAAC,GAAG;YACP,GAAG;YACH,WAAW,EAAE,IAAA,yBAAkB,EAAC,IAAI,CAAC,QAAQ,CAAC,CAAC;YAC/C,SAAS,EAAE,IAAA,UAAE,EAAC,OAAO,CAAC;YACtB,aAAa,EAAE,KAAK;YACpB,WAAW,EAAE,IAAI,4BAAiB,CAAC,IAAI,CAAC;YACxC,cAAc,EAAE,IAAI,GAAG,EAAE;YAEzB,IAAI,OAAO;gBACT,OAAO,MAAM,CAAC,QAAQ,CAAC,CAAC;YAC1B,CAAC;YACD,IAAI,WAAW;gBACb,OAAO,MAAM,CAAC,QAAQ,CAAC,CAAC,WAAW,CAAC;YACtC,CAAC;YACD,IAAI,YAAY;gBACd,OAAO,MAAM,CAAC,QAAQ,CAAC,CAAC,YAAY,CAAC;YACvC,CAAC;YACD,IAAI,cAAc;gBAChB,OAAO,MAAM,CAAC,QAAQ,CAAC,CAAC,cAAc,CAAC;YACzC,CAAC;YACD,IAAI,MAAM;gBACR,OAAO,MAAM,CAAC,QAAQ,CAAC,CAAC,MAAM,CAAC;YACjC,CAAC;YACD,IAAI,aAAa;gBACf,OAAO,IAAI,CAAC;YACd,CAAC;SACF,CAAC;IACJ,CAAC;IAED,IAAI,OAAO;QACT,OAAO,MAAM,CAAC,MAAM,CAAC,EAAE,GAAG,IAAI,CAAC,QAAQ,CAAC,EAAE,CAAC,CAAC;IAC9C,CAAC;IAED,IAAI,SAAS;QACX,OAAO,IAAI,CAAC,QAAQ,CAAC,CAAC,SAAS,IAAI,MAAM,CAAC,MAAM,CAAC,EAAE,GAAG,IAAI,CAAC,QAAQ,CAAC,CAAC,SAAS,EAAE,CAAC,CAAC;IACpF,CAAC;IACD;;;OAGG;IACH,IAAI,eAAe;QACjB,OAAO,IAAI,CAAC,QAAQ,CAAC,CAAC,eAAe,CAAC;IACxC,CAAC;IACD,IAAI,eAAe,CAAC,KAAc;QAChC,IAAI,CAAC,QAAQ,CAAC,CAAC,eAAe,GAAG,KAAK,CAAC;IACzC,CAAC;IAED,IAAI,aAAa;QACf,OAAO,IAAI,CAAC,QAAQ,CAAC,CAAC,aAAa,CAAC;IACtC,CAAC;IAED,IAAI,WAAW;QACb,OAAO,IAAI,CAAC,CAAC,CAAC,WAAW,CAAC;IAC5B,CAAC;IAED,IAAI,YAAY;QACd,OAAO,IAAI,CAAC,CAAC,CAAC,YAAY,CAAC;IAC7B,CAAC;IAED,IAAI,cAAc;QAChB,OAAO,IAAI,CAAC,CAAC,CAAC,cAAc,CAAC;IAC/B,CAAC;IAED,IAAI,WAAW;QACb,OAAO,IAAI,CAAC,CAAC,CAAC,WAAW,CAAC;IAC5B,CAAC;IAED,IAAI,MAAM;QACR,OAAO,IAAI,CAAC,CAAC,CAAC,MAAM,CAAC;IACvB,CAAC;IASD,OAAO,CAAC,QAAyB;QAC/B,IAAI,QAAQ,IAAI,OAAO,QAAQ,KAAK,UAAU,EAAE;YAC9C,MAAM,IAAI,iCAAyB,CAAC,0CAA0C,CAAC,CAAC;SACjF;QAED,OAAO,IAAA,oBAAY,EAAC,QAAQ,EAAE,EAAE,CAAC,EAAE;YACjC,IAAA,iBAAO,EAAC,IAAI,EAAE,IAAI,CAAC,QAAQ,CAAC,EAAE,GAAG,CAAC,EAAE;gBAClC,IAAI,GAAG;oBAAE,OAAO,EAAE,CAAC,GAAG,CAAC,CAAC;gBACxB,EAAE,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC;YACtB,CAAC,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;IACL,CAAC;IAYD,KAAK,CACH,eAA0C,EAC1C,QAAyB;QAEzB,oDAAoD;QACpD,MAAM,CAAC,cAAc,CAAC,IAAI,CAAC,CAAC,EAAE,eAAe,EAAE;YAC7C,KAAK,EAAE,IAAI;YACX,UAAU,EAAE,IAAI;YAChB,YAAY,EAAE,KAAK;YACnB,QAAQ,EAAE,KAAK;SAChB,CAAC,CAAC;QAEH,IAAI,OAAO,eAAe,KAAK,UAAU,EAAE;YACzC,QAAQ,GAAG,eAAe,CAAC;SAC5B;QAED,MAAM,KAAK,GAAG,OAAO,eAAe,KAAK,SAAS,CAAC,CAAC,CAAC,eAAe,CAAC,CAAC,CAAC,KAAK,CAAC;QAE7E,OAAO,IAAA,oBAAY,EAAC,QAAQ,EAAE,QAAQ,CAAC,EAAE;YACvC,IAAI,IAAI,CAAC,QAAQ,IAAI,IAAI,EAAE;gBACzB,sCAAsC;gBACtC,OAAO,QAAQ,EAAE,CAAC;aACnB;YAED,MAAM,iBAAiB,GAAG,KAAK,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,cAAc,EAAE,OAAO,CAAC,EAAE,CAAC,OAAO,CAAC,UAAU,EAAE,CAAC,CAAC;YAC7F,IAAI,CAAC,CAAC,CAAC,cAAc,CAAC,KAAK,EAAE,CAAC;YAE9B,OAAO,CAAC,GAAG,CAAC,iBAAiB,CAAC;iBAC3B,IAAI,CAAC,GAAG,EAAE;gBACT,IAAI,IAAI,CAAC,QAAQ,IAAI,IAAI,EAAE;oBACzB,OAAO;iBACR;gBACD,+EAA+E;gBAC/E,yCAAyC;gBACzC,MAAM,QAAQ,GAAG,IAAA,+CAA4B,EAAC,gCAAc,CAAC,gBAAgB,CAAC,CAAC;gBAC/E,MAAM,mBAAmB,GAAG,IAAI,CAAC,QAAQ,CAAC,WAAW,CAAC;gBACtD,MAAM,kBAAkB,GAAG,KAAK,CAAC,IAAI,CAAC,mBAAmB,CAAC,OAAO,CAAC,MAAM,EAAE,CAAC,CAAC;gBAC5E,MAAM,OAAO,GAAG,QAAQ,CAAC,mBAAmB,EAAE,kBAAkB,CAAC,CAAC;gBAClE,IAAI,OAAO,CAAC,MAAM,KAAK,CAAC,EAAE;oBACxB,OAAO;iBACR;gBAED,MAAM,WAAW,GAAG,KAAK,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,CAAC,WAAW,CAAC,QAAQ,EAAE,CAAC,EAAE,EAAE,EAAE,EAAE,EAAE,CAAC,EAAE,CAAC,CAAC;gBAC5E,IAAI,WAAW,CAAC,MAAM,KAAK,CAAC;oBAAE,OAAO;gBACrC,OAAO,IAAI,CAAC,EAAE,CAAC,OAAO,CAAC;qBACpB,OAAO,CACN,EAAE,WAAW,EAAE,EACf,EAAE,cAAc,EAAE,gCAAc,CAAC,gBAAgB,EAAE,UAAU,EAAE,IAAI,EAAE,CACtE;qBACA,KAAK,CAAC,GAAG,EAAE,CAAC,IAAI,CAAC,CAAC,CAAC,0BAA0B;YAClD,CAAC,CAAC;iBACD,IAAI,CAAC,GAAG,EAAE;gBACT,IAAI,IAAI,CAAC,QAAQ,IAAI,IAAI,EAAE;oBACzB,OAAO;iBACR;gBACD,uCAAuC;gBACvC,MAAM,QAAQ,GAAG,IAAI,CAAC,QAAQ,CAAC;gBAC/B,IAAI,CAAC,QAAQ,GAAG,SAAS,CAAC;gBAE1B,OAAO,IAAI,OAAO,CAAO,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE;oBAC3C,QAAQ,CAAC,KAAK,CAAC,EAAE,KAAK,EAAE,EAAE,KAAK,CAAC,EAAE;wBAChC,IAAI,KAAK;4BAAE,OAAO,MAAM,CAAC,KAAK,CAAC,CAAC;wBAChC,MAAM,EAAE,SAAS,EAAE,GAAG,IAAI,CAAC,QAAQ,CAAC,CAAC;wBACrC,IAAI,SAAS,EAAE;4BACb,OAAO,SAAS,CAAC,KAAK,CAAC,IAAI,EAAE,KAAK,EAAE,KAAK,CAAC,EAAE;gCAC1C,IAAI,KAAK;oCAAE,OAAO,MAAM,CAAC,KAAK,CAAC,CAAC;gCAChC,OAAO,EAAE,CAAC;4BACZ,CAAC,CAAC,CAAC;yBACJ;wBACD,OAAO,EAAE,CAAC;oBACZ,CAAC,CAAC,CAAC;gBACL,CAAC,CAAC,CAAC;YACL,CAAC,CAAC;iBACD,IAAI,CACH,GAAG,EAAE,CAAC,QAAQ,EAAE,EAChB,KAAK,CAAC,EAAE,CAAC,QAAQ,CAAC,KAAK,CAAC,CACzB,CAAC;QACN,CAAC,CAAC,CAAC;IACL,CAAC;IAED;;;;;OAKG;IACH,EAAE,CAAC,MAAe,EAAE,OAAmB;QACrC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAExB,uDAAuD;QACvD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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/mongo_types.js b/node_modules/mongoose/node_modules/mongodb/lib/mongo_types.js
new file mode 100644
index 000000000..7cd40483f
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/mongo_types.js
@@ -0,0 +1,41 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CancellationToken = exports.TypedEventEmitter = exports.BSONType = void 0;
+const events_1 = require("events");
+/** @public */
+exports.BSONType = Object.freeze({
+    double: 1,
+    string: 2,
+    object: 3,
+    array: 4,
+    binData: 5,
+    undefined: 6,
+    objectId: 7,
+    bool: 8,
+    date: 9,
+    null: 10,
+    regex: 11,
+    dbPointer: 12,
+    javascript: 13,
+    symbol: 14,
+    javascriptWithScope: 15,
+    int: 16,
+    timestamp: 17,
+    long: 18,
+    decimal: 19,
+    minKey: -1,
+    maxKey: 127
+});
+/**
+ * Typescript type safe event emitter
+ * @public
+ */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+class TypedEventEmitter extends events_1.EventEmitter {
+}
+exports.TypedEventEmitter = TypedEventEmitter;
+/** @public */
+class CancellationToken extends TypedEventEmitter {
+}
+exports.CancellationToken = CancellationToken;
+//# sourceMappingURL=mongo_types.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/mongo_types.js.map b/node_modules/mongoose/node_modules/mongodb/lib/mongo_types.js.map
new file mode 100644
index 000000000..e1221e563
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/mongo_types.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"mongo_types.js","sourceRoot":"","sources":["../src/mongo_types.ts"],"names":[],"mappings":";;;AACA,mCAAsC;AAmKtC,cAAc;AACD,QAAA,QAAQ,GAAG,MAAM,CAAC,MAAM,CAAC;IACpC,MAAM,EAAE,CAAC;IACT,MAAM,EAAE,CAAC;IACT,MAAM,EAAE,CAAC;IACT,KAAK,EAAE,CAAC;IACR,OAAO,EAAE,CAAC;IACV,SAAS,EAAE,CAAC;IACZ,QAAQ,EAAE,CAAC;IACX,IAAI,EAAE,CAAC;IACP,IAAI,EAAE,CAAC;IACP,IAAI,EAAE,EAAE;IACR,KAAK,EAAE,EAAE;IACT,SAAS,EAAE,EAAE;IACb,UAAU,EAAE,EAAE;IACd,MAAM,EAAE,EAAE;IACV,mBAAmB,EAAE,EAAE;IACvB,GAAG,EAAE,EAAE;IACP,SAAS,EAAE,EAAE;IACb,IAAI,EAAE,EAAE;IACR,OAAO,EAAE,EAAE;IACX,MAAM,EAAE,CAAC,CAAC;IACV,MAAM,EAAE,GAAG;CACH,CAAC,CAAC;AAyQZ;;;GAGG;AACH,6DAA6D;AAC7D,MAAa,iBAAoD,SAAQ,qBAAY;CAAG;AAAxF,8CAAwF;AAExF,cAAc;AACd,MAAa,iBAAkB,SAAQ,iBAAqC;CAAG;AAA/E,8CAA+E"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/add_user.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/add_user.js
new file mode 100644
index 000000000..0ef426bb3
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/add_user.js
@@ -0,0 +1,72 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AddUserOperation = void 0;
+const crypto = require("crypto");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class AddUserOperation extends command_1.CommandOperation {
+    constructor(db, username, password, options) {
+        super(db, options);
+        this.db = db;
+        this.username = username;
+        this.password = password;
+        this.options = options !== null && options !== void 0 ? options : {};
+    }
+    execute(server, session, callback) {
+        const db = this.db;
+        const username = this.username;
+        const password = this.password;
+        const options = this.options;
+        // Error out if digestPassword set
+        if (options.digestPassword != null) {
+            return callback(new error_1.MongoInvalidArgumentError('Option "digestPassword" not supported via addUser, use db.command(...) instead'));
+        }
+        let roles;
+        if (!options.roles || (Array.isArray(options.roles) && options.roles.length === 0)) {
+            (0, utils_1.emitWarningOnce)('Creating a user without roles is deprecated. Defaults to "root" if db is "admin" or "dbOwner" otherwise');
+            if (db.databaseName.toLowerCase() === 'admin') {
+                roles = ['root'];
+            }
+            else {
+                roles = ['dbOwner'];
+            }
+        }
+        else {
+            roles = Array.isArray(options.roles) ? options.roles : [options.roles];
+        }
+        let topology;
+        try {
+            topology = (0, utils_1.getTopology)(db);
+        }
+        catch (error) {
+            return callback(error);
+        }
+        const digestPassword = topology.lastHello().maxWireVersion >= 7;
+        let userPassword = password;
+        if (!digestPassword) {
+            // Use node md5 generator
+            const md5 = crypto.createHash('md5');
+            // Generate keys used for authentication
+            md5.update(`${username}:mongo:${password}`);
+            userPassword = md5.digest('hex');
+        }
+        // Build the command to execute
+        const command = {
+            createUser: username,
+            customData: options.customData || {},
+            roles: roles,
+            digestPassword
+        };
+        // No password
+        if (typeof password === 'string') {
+            command.pwd = userPassword;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.AddUserOperation = AddUserOperation;
+(0, operation_1.defineAspects)(AddUserOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=add_user.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/add_user.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/add_user.js.map
new file mode 100644
index 000000000..c102b8a16
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/add_user.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"add_user.js","sourceRoot":"","sources":["../../src/operations/add_user.ts"],"names":[],"mappings":";;;AAAA,iCAAiC;AAIjC,oCAAqD;AAGrD,oCAAkE;AAClE,uCAAsE;AACtE,2CAAoD;AAuBpD,gBAAgB;AAChB,MAAa,gBAAiB,SAAQ,0BAA0B;IAM9D,YAAY,EAAM,EAAE,QAAgB,EAAE,QAA4B,EAAE,OAAwB;QAC1F,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QAEnB,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;IAC/B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;QAE5B,MAAM,EAAE,GAAG,IAAI,CAAC,EAAE,CAAC;QACnB,MAAM,QAAQ,GAAG,IAAI,CAAC,QAAQ,CAAC;QAC/B,MAAM,QAAQ,GAAG,IAAI,CAAC,QAAQ,CAAC;QAC/B,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;QAE7B,kCAAkC;QAClC,IAAI,OAAO,CAAC,cAAc,IAAI,IAAI,EAAE;YAClC,OAAO,QAAQ,CACb,IAAI,iCAAyB,CAC3B,gFAAgF,CACjF,CACF,CAAC;SACH;QAED,IAAI,KAAK,CAAC;QACV,IAAI,CAAC,OAAO,CAAC,KAAK,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,OAAO,CAAC,KAAK,CAAC,IAAI,OAAO,CAAC,KAAK,CAAC,MAAM,KAAK,CAAC,CAAC,EAAE;YAClF,IAAA,uBAAe,EACb,yGAAyG,CAC1G,CAAC;YACF,IAAI,EAAE,CAAC,YAAY,CAAC,WAAW,EAAE,KAAK,OAAO,EAAE;gBAC7C,KAAK,GAAG,CAAC,MAAM,CAAC,CAAC;aAClB;iBAAM;gBACL,KAAK,GAAG,CAAC,SAAS,CAAC,CAAC;aACrB;SACF;aAAM;YACL,KAAK,GAAG,KAAK,CAAC,OAAO,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC;SACxE;QAED,IAAI,QAAQ,CAAC;QACb,IAAI;YACF,QAAQ,GAAG,IAAA,mBAAW,EAAC,EAAE,CAAC,CAAC;SAC5B;QAAC,OAAO,KAAK,EAAE;YACd,OAAO,QAAQ,CAAC,KAAK,CAAC,CAAC;SACxB;QAED,MAAM,cAAc,GAAG,QAAQ,CAAC,SAAS,EAAE,CAAC,cAAc,IAAI,CAAC,CAAC;QAEhE,IAAI,YAAY,GAAG,QAAQ,CAAC;QAE5B,IAAI,CAAC,cAAc,EAAE;YACnB,yBAAyB;YACzB,MAAM,GAAG,GAAG,MAAM,CAAC,UAAU,CAAC,KAAK,CAAC,CAAC;YACrC,wCAAwC;YACxC,GAAG,CAAC,MAAM,CAAC,GAAG,QAAQ,UAAU,QAAQ,EAAE,CAAC,CAAC;YAC5C,YAAY,GAAG,GAAG,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC;SAClC;QAED,+BAA+B;QAC/B,MAAM,OAAO,GAAa;YACxB,UAAU,EAAE,QAAQ;YACpB,UAAU,EAAE,OAAO,CAAC,UAAU,IAAI,EAAE;YACpC,KAAK,EAAE,KAAK;YACZ,cAAc;SACf,CAAC;QAEF,cAAc;QACd,IAAI,OAAO,QAAQ,KAAK,QAAQ,EAAE;YAChC,OAAO,CAAC,GAAG,GAAG,YAAY,CAAC;SAC5B;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC3D,CAAC;CACF;AAlFD,4CAkFC;AAED,IAAA,yBAAa,EAAC,gBAAgB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/aggregate.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/aggregate.js
new file mode 100644
index 000000000..33b513600
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/aggregate.js
@@ -0,0 +1,90 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AggregateOperation = exports.DB_AGGREGATE_COLLECTION = void 0;
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+exports.DB_AGGREGATE_COLLECTION = 1;
+const MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT = 8;
+/** @internal */
+class AggregateOperation extends command_1.CommandOperation {
+    constructor(ns, pipeline, options) {
+        super(undefined, { ...options, dbName: ns.db });
+        this.options = options !== null && options !== void 0 ? options : {};
+        // Covers when ns.collection is null, undefined or the empty string, use DB_AGGREGATE_COLLECTION
+        this.target = ns.collection || exports.DB_AGGREGATE_COLLECTION;
+        this.pipeline = pipeline;
+        // determine if we have a write stage, override read preference if so
+        this.hasWriteStage = false;
+        if (typeof (options === null || options === void 0 ? void 0 : options.out) === 'string') {
+            this.pipeline = this.pipeline.concat({ $out: options.out });
+            this.hasWriteStage = true;
+        }
+        else if (pipeline.length > 0) {
+            const finalStage = pipeline[pipeline.length - 1];
+            if (finalStage.$out || finalStage.$merge) {
+                this.hasWriteStage = true;
+            }
+        }
+        if (this.hasWriteStage) {
+            this.trySecondaryWrite = true;
+        }
+        if (this.explain && this.writeConcern) {
+            throw new error_1.MongoInvalidArgumentError('Option "explain" cannot be used on an aggregate call with writeConcern');
+        }
+        if ((options === null || options === void 0 ? void 0 : options.cursor) != null && typeof options.cursor !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Cursor options must be an object');
+        }
+    }
+    get canRetryRead() {
+        return !this.hasWriteStage;
+    }
+    addToPipeline(stage) {
+        this.pipeline.push(stage);
+    }
+    execute(server, session, callback) {
+        const options = this.options;
+        const serverWireVersion = (0, utils_1.maxWireVersion)(server);
+        const command = { aggregate: this.target, pipeline: this.pipeline };
+        if (this.hasWriteStage && serverWireVersion < MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT) {
+            this.readConcern = undefined;
+        }
+        if (serverWireVersion >= 5) {
+            if (this.hasWriteStage && this.writeConcern) {
+                Object.assign(command, { writeConcern: this.writeConcern });
+            }
+        }
+        if (options.bypassDocumentValidation === true) {
+            command.bypassDocumentValidation = options.bypassDocumentValidation;
+        }
+        if (typeof options.allowDiskUse === 'boolean') {
+            command.allowDiskUse = options.allowDiskUse;
+        }
+        if (options.hint) {
+            command.hint = options.hint;
+        }
+        if (options.let) {
+            command.let = options.let;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (options.comment !== undefined) {
+            command.comment = options.comment;
+        }
+        command.cursor = options.cursor || {};
+        if (options.batchSize && !this.hasWriteStage) {
+            command.cursor.batchSize = options.batchSize;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.AggregateOperation = AggregateOperation;
+(0, operation_1.defineAspects)(AggregateOperation, [
+    operation_1.Aspect.READ_OPERATION,
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.EXPLAINABLE,
+    operation_1.Aspect.CURSOR_CREATING
+]);
+//# sourceMappingURL=aggregate.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/aggregate.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/aggregate.js.map
new file mode 100644
index 000000000..a8dc5fcfb
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/aggregate.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"aggregate.js","sourceRoot":"","sources":["../../src/operations/aggregate.ts"],"names":[],"mappings":";;;AACA,oCAAqD;AAGrD,oCAAsE;AACtE,uCAAwF;AACxF,2CAA0D;AAE1D,gBAAgB;AACH,QAAA,uBAAuB,GAAG,CAAU,CAAC;AAClD,MAAM,0CAA0C,GAAG,CAAU,CAAC;AA0B9D,gBAAgB;AAChB,MAAa,kBAAiC,SAAQ,0BAAmB;IAMvE,YAAY,EAAoB,EAAE,QAAoB,EAAE,OAA0B;QAChF,KAAK,CAAC,SAAS,EAAE,EAAE,GAAG,OAAO,EAAE,MAAM,EAAE,EAAE,CAAC,EAAE,EAAE,CAAC,CAAC;QAEhD,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAE7B,gGAAgG;QAChG,IAAI,CAAC,MAAM,GAAG,EAAE,CAAC,UAAU,IAAI,+BAAuB,CAAC;QAEvD,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QAEzB,qEAAqE;QACrE,IAAI,CAAC,aAAa,GAAG,KAAK,CAAC;QAC3B,IAAI,OAAO,CAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,GAAG,CAAA,KAAK,QAAQ,EAAE;YACpC,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,EAAE,IAAI,EAAE,OAAO,CAAC,GAAG,EAAE,CAAC,CAAC;YAC5D,IAAI,CAAC,aAAa,GAAG,IAAI,CAAC;SAC3B;aAAM,IAAI,QAAQ,CAAC,MAAM,GAAG,CAAC,EAAE;YAC9B,MAAM,UAAU,GAAG,QAAQ,CAAC,QAAQ,CAAC,MAAM,GAAG,CAAC,CAAC,CAAC;YACjD,IAAI,UAAU,CAAC,IAAI,IAAI,UAAU,CAAC,MAAM,EAAE;gBACxC,IAAI,CAAC,aAAa,GAAG,IAAI,CAAC;aAC3B;SACF;QAED,IAAI,IAAI,CAAC,aAAa,EAAE;YACtB,IAAI,CAAC,iBAAiB,GAAG,IAAI,CAAC;SAC/B;QAED,IAAI,IAAI,CAAC,OAAO,IAAI,IAAI,CAAC,YAAY,EAAE;YACrC,MAAM,IAAI,iCAAyB,CACjC,wEAAwE,CACzE,CAAC;SACH;QAED,IAAI,CAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,MAAM,KAAI,IAAI,IAAI,OAAO,OAAO,CAAC,MAAM,KAAK,QAAQ,EAAE;YACjE,MAAM,IAAI,iCAAyB,CAAC,kCAAkC,CAAC,CAAC;SACzE;IACH,CAAC;IAED,IAAa,YAAY;QACvB,OAAO,CAAC,IAAI,CAAC,aAAa,CAAC;IAC7B,CAAC;IAED,aAAa,CAAC,KAAe;QAC3B,IAAI,CAAC,QAAQ,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;IAC5B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAqB;QAErB,MAAM,OAAO,GAAqB,IAAI,CAAC,OAAO,CAAC;QAC/C,MAAM,iBAAiB,GAAG,IAAA,sBAAc,EAAC,MAAM,CAAC,CAAC;QACjD,MAAM,OAAO,GAAa,EAAE,SAAS,EAAE,IAAI,CAAC,MAAM,EAAE,QAAQ,EAAE,IAAI,CAAC,QAAQ,EAAE,CAAC;QAE9E,IAAI,IAAI,CAAC,aAAa,IAAI,iBAAiB,GAAG,0CAA0C,EAAE;YACxF,IAAI,CAAC,WAAW,GAAG,SAAS,CAAC;SAC9B;QAED,IAAI,iBAAiB,IAAI,CAAC,EAAE;YAC1B,IAAI,IAAI,CAAC,aAAa,IAAI,IAAI,CAAC,YAAY,EAAE;gBAC3C,MAAM,CAAC,MAAM,CAAC,OAAO,EAAE,EAAE,YAAY,EAAE,IAAI,CAAC,YAAY,EAAE,CAAC,CAAC;aAC7D;SACF;QAED,IAAI,OAAO,CAAC,wBAAwB,KAAK,IAAI,EAAE;YAC7C,OAAO,CAAC,wBAAwB,GAAG,OAAO,CAAC,wBAAwB,CAAC;SACrE;QAED,IAAI,OAAO,OAAO,CAAC,YAAY,KAAK,SAAS,EAAE;YAC7C,OAAO,CAAC,YAAY,GAAG,OAAO,CAAC,YAAY,CAAC;SAC7C;QAED,IAAI,OAAO,CAAC,IAAI,EAAE;YAChB,OAAO,CAAC,IAAI,GAAG,OAAO,CAAC,IAAI,CAAC;SAC7B;QAED,IAAI,OAAO,CAAC,GAAG,EAAE;YACf,OAAO,CAAC,GAAG,GAAG,OAAO,CAAC,GAAG,CAAC;SAC3B;QAED,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,OAAO,CAAC,OAAO,KAAK,SAAS,EAAE;YACjC,OAAO,CAAC,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;SACnC;QAED,OAAO,CAAC,MAAM,GAAG,OAAO,CAAC,MAAM,IAAI,EAAE,CAAC;QACtC,IAAI,OAAO,CAAC,SAAS,IAAI,CAAC,IAAI,CAAC,aAAa,EAAE;YAC5C,OAAO,CAAC,MAAM,CAAC,SAAS,GAAG,OAAO,CAAC,SAAS,CAAC;SAC9C;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC3D,CAAC;CACF;AAnGD,gDAmGC;AAED,IAAA,yBAAa,EAAC,kBAAkB,EAAE;IAChC,kBAAM,CAAC,cAAc;IACrB,kBAAM,CAAC,SAAS;IAChB,kBAAM,CAAC,WAAW;IAClB,kBAAM,CAAC,eAAe;CACvB,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/bulk_write.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/bulk_write.js
new file mode 100644
index 000000000..cab8ab7e2
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/bulk_write.js
@@ -0,0 +1,43 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.BulkWriteOperation = void 0;
+const operation_1 = require("./operation");
+/** @internal */
+class BulkWriteOperation extends operation_1.AbstractOperation {
+    constructor(collection, operations, options) {
+        super(options);
+        this.options = options;
+        this.collection = collection;
+        this.operations = operations;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        const operations = this.operations;
+        const options = { ...this.options, ...this.bsonOptions, readPreference: this.readPreference };
+        // Create the bulk operation
+        const bulk = options.ordered === false
+            ? coll.initializeUnorderedBulkOp(options)
+            : coll.initializeOrderedBulkOp(options);
+        // for each op go through and add to the bulk
+        try {
+            for (let i = 0; i < operations.length; i++) {
+                bulk.raw(operations[i]);
+            }
+        }
+        catch (err) {
+            return callback(err);
+        }
+        // Execute the bulk
+        bulk.execute({ ...options, session }, (err, r) => {
+            // We have connection level error
+            if (!r && err) {
+                return callback(err);
+            }
+            // Return the results
+            callback(undefined, r);
+        });
+    }
+}
+exports.BulkWriteOperation = BulkWriteOperation;
+(0, operation_1.defineAspects)(BulkWriteOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=bulk_write.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/bulk_write.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/bulk_write.js.map
new file mode 100644
index 000000000..e49d9459c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/bulk_write.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"bulk_write.js","sourceRoot":"","sources":["../../src/operations/bulk_write.ts"],"names":[],"mappings":";;;AAUA,2CAAuE;AAEvE,gBAAgB;AAChB,MAAa,kBAAmB,SAAQ,6BAAkC;IAKxE,YACE,UAAsB,EACtB,UAAmC,EACnC,OAAyB;QAEzB,KAAK,CAAC,OAAO,CAAC,CAAC;QACf,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;IAC/B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAmC;QAEnC,MAAM,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;QAC7B,MAAM,UAAU,GAAG,IAAI,CAAC,UAAU,CAAC;QACnC,MAAM,OAAO,GAAG,EAAE,GAAG,IAAI,CAAC,OAAO,EAAE,GAAG,IAAI,CAAC,WAAW,EAAE,cAAc,EAAE,IAAI,CAAC,cAAc,EAAE,CAAC;QAE9F,4BAA4B;QAC5B,MAAM,IAAI,GACR,OAAO,CAAC,OAAO,KAAK,KAAK;YACvB,CAAC,CAAC,IAAI,CAAC,yBAAyB,CAAC,OAAO,CAAC;YACzC,CAAC,CAAC,IAAI,CAAC,uBAAuB,CAAC,OAAO,CAAC,CAAC;QAE5C,6CAA6C;QAC7C,IAAI;YACF,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,UAAU,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;gBAC1C,IAAI,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC,CAAC;aACzB;SACF;QAAC,OAAO,GAAG,EAAE;YACZ,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;SACtB;QAED,mBAAmB;QACnB,IAAI,CAAC,OAAO,CAAC,EAAE,GAAG,OAAO,EAAE,OAAO,EAAE,EAAE,CAAC,GAAG,EAAE,CAAC,EAAE,EAAE;YAC/C,iCAAiC;YACjC,IAAI,CAAC,CAAC,IAAI,GAAG,EAAE;gBACb,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;aACtB;YAED,qBAAqB;YACrB,QAAQ,CAAC,SAAS,EAAE,CAAC,CAAC,CAAC;QACzB,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAnDD,gDAmDC;AAED,IAAA,yBAAa,EAAC,kBAAkB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/collections.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/collections.js
new file mode 100644
index 000000000..d0a1b1fd8
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/collections.js
@@ -0,0 +1,29 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CollectionsOperation = void 0;
+const collection_1 = require("../collection");
+const operation_1 = require("./operation");
+/** @internal */
+class CollectionsOperation extends operation_1.AbstractOperation {
+    constructor(db, options) {
+        super(options);
+        this.options = options;
+        this.db = db;
+    }
+    execute(server, session, callback) {
+        const db = this.db;
+        // Let's get the collection names
+        db.listCollections({}, { ...this.options, nameOnly: true, readPreference: this.readPreference, session }).toArray((err, documents) => {
+            if (err || !documents)
+                return callback(err);
+            // Filter collections removing any illegal ones
+            documents = documents.filter(doc => doc.name.indexOf('$') === -1);
+            // Return the collection objects
+            callback(undefined, documents.map(d => {
+                return new collection_1.Collection(db, d.name, db.s.options);
+            }));
+        });
+    }
+}
+exports.CollectionsOperation = CollectionsOperation;
+//# sourceMappingURL=collections.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/collections.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/collections.js.map
new file mode 100644
index 000000000..960c51a66
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/collections.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"collections.js","sourceRoot":"","sources":["../../src/operations/collections.ts"],"names":[],"mappings":";;;AAAA,8CAA2C;AAK3C,2CAAkE;AAMlE,gBAAgB;AAChB,MAAa,oBAAqB,SAAQ,6BAA+B;IAIvE,YAAY,EAAM,EAAE,OAA2B;QAC7C,KAAK,CAAC,OAAO,CAAC,CAAC;QACf,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;IACf,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAgC;QAEhC,MAAM,EAAE,GAAG,IAAI,CAAC,EAAE,CAAC;QAEnB,iCAAiC;QACjC,EAAE,CAAC,eAAe,CAChB,EAAE,EACF,EAAE,GAAG,IAAI,CAAC,OAAO,EAAE,QAAQ,EAAE,IAAI,EAAE,cAAc,EAAE,IAAI,CAAC,cAAc,EAAE,OAAO,EAAE,CAClF,CAAC,OAAO,CAAC,CAAC,GAAG,EAAE,SAAS,EAAE,EAAE;YAC3B,IAAI,GAAG,IAAI,CAAC,SAAS;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC5C,+CAA+C;YAC/C,SAAS,GAAG,SAAS,CAAC,MAAM,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,CAAC,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;YAElE,gCAAgC;YAChC,QAAQ,CACN,SAAS,EACT,SAAS,CAAC,GAAG,CAAC,CAAC,CAAC,EAAE;gBAChB,OAAO,IAAI,uBAAU,CAAC,EAAE,EAAE,CAAC,CAAC,IAAI,EAAE,EAAE,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC;YAClD,CAAC,CAAC,CACH,CAAC;QACJ,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAnCD,oDAmCC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/command.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/command.js
new file mode 100644
index 000000000..55ce871ee
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/command.js
@@ -0,0 +1,95 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CommandOperation = void 0;
+const error_1 = require("../error");
+const explain_1 = require("../explain");
+const read_concern_1 = require("../read_concern");
+const server_selection_1 = require("../sdam/server_selection");
+const utils_1 = require("../utils");
+const write_concern_1 = require("../write_concern");
+const operation_1 = require("./operation");
+const SUPPORTS_WRITE_CONCERN_AND_COLLATION = 5;
+/** @internal */
+class CommandOperation extends operation_1.AbstractOperation {
+    constructor(parent, options) {
+        super(options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        // NOTE: this was explicitly added for the add/remove user operations, it's likely
+        //       something we'd want to reconsider. Perhaps those commands can use `Admin`
+        //       as a parent?
+        const dbNameOverride = (options === null || options === void 0 ? void 0 : options.dbName) || (options === null || options === void 0 ? void 0 : options.authdb);
+        if (dbNameOverride) {
+            this.ns = new utils_1.MongoDBNamespace(dbNameOverride, '$cmd');
+        }
+        else {
+            this.ns = parent
+                ? parent.s.namespace.withCollection('$cmd')
+                : new utils_1.MongoDBNamespace('admin', '$cmd');
+        }
+        this.readConcern = read_concern_1.ReadConcern.fromOptions(options);
+        this.writeConcern = write_concern_1.WriteConcern.fromOptions(options);
+        // TODO(NODE-2056): make logger another "inheritable" property
+        if (parent && parent.logger) {
+            this.logger = parent.logger;
+        }
+        if (this.hasAspect(operation_1.Aspect.EXPLAINABLE)) {
+            this.explain = explain_1.Explain.fromOptions(options);
+        }
+        else if ((options === null || options === void 0 ? void 0 : options.explain) != null) {
+            throw new error_1.MongoInvalidArgumentError(`Option "explain" is not supported on this command`);
+        }
+    }
+    get canRetryWrite() {
+        if (this.hasAspect(operation_1.Aspect.EXPLAINABLE)) {
+            return this.explain == null;
+        }
+        return true;
+    }
+    executeCommand(server, session, cmd, callback) {
+        // TODO: consider making this a non-enumerable property
+        this.server = server;
+        const options = {
+            ...this.options,
+            ...this.bsonOptions,
+            readPreference: this.readPreference,
+            session
+        };
+        const serverWireVersion = (0, utils_1.maxWireVersion)(server);
+        const inTransaction = this.session && this.session.inTransaction();
+        if (this.readConcern && (0, utils_1.commandSupportsReadConcern)(cmd) && !inTransaction) {
+            Object.assign(cmd, { readConcern: this.readConcern });
+        }
+        if (this.trySecondaryWrite && serverWireVersion < server_selection_1.MIN_SECONDARY_WRITE_WIRE_VERSION) {
+            options.omitReadPreference = true;
+        }
+        if (options.collation && serverWireVersion < SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name}, which reports wire version ${serverWireVersion}, does not support collation`));
+            return;
+        }
+        if (this.writeConcern && this.hasAspect(operation_1.Aspect.WRITE_OPERATION) && !inTransaction) {
+            Object.assign(cmd, { writeConcern: this.writeConcern });
+        }
+        if (serverWireVersion >= SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+            if (options.collation &&
+                typeof options.collation === 'object' &&
+                !this.hasAspect(operation_1.Aspect.SKIP_COLLATION)) {
+                Object.assign(cmd, { collation: options.collation });
+            }
+        }
+        if (typeof options.maxTimeMS === 'number') {
+            cmd.maxTimeMS = options.maxTimeMS;
+        }
+        if (this.hasAspect(operation_1.Aspect.EXPLAINABLE) && this.explain) {
+            if (serverWireVersion < 6 && cmd.aggregate) {
+                // Prior to 3.6, with aggregate, verbosity is ignored, and we must pass in "explain: true"
+                cmd.explain = true;
+            }
+            else {
+                cmd = (0, utils_1.decorateWithExplain)(cmd, this.explain);
+            }
+        }
+        server.command(this.ns, cmd, options, callback);
+    }
+}
+exports.CommandOperation = CommandOperation;
+//# sourceMappingURL=command.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/command.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/command.js.map
new file mode 100644
index 000000000..5f49482f9
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/command.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"command.js","sourceRoot":"","sources":["../../src/operations/command.ts"],"names":[],"mappings":";;;AACA,oCAA8E;AAC9E,wCAAqD;AAErD,kDAA8C;AAG9C,+DAA4E;AAE5E,oCAMkB;AAClB,oDAAqE;AAErE,2CAA0E;AAE1E,MAAM,oCAAoC,GAAG,CAAC,CAAC;AAuD/C,gBAAgB;AAChB,MAAsB,gBAAoB,SAAQ,6BAAoB;IAOpE,YAAY,MAAwB,EAAE,OAAiC;QACrE,KAAK,CAAC,OAAO,CAAC,CAAC;QACf,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAE7B,kFAAkF;QAClF,kFAAkF;QAClF,qBAAqB;QACrB,MAAM,cAAc,GAAG,CAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,MAAM,MAAI,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,MAAM,CAAA,CAAC;QAC1D,IAAI,cAAc,EAAE;YAClB,IAAI,CAAC,EAAE,GAAG,IAAI,wBAAgB,CAAC,cAAc,EAAE,MAAM,CAAC,CAAC;SACxD;aAAM;YACL,IAAI,CAAC,EAAE,GAAG,MAAM;gBACd,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,SAAS,CAAC,cAAc,CAAC,MAAM,CAAC;gBAC3C,CAAC,CAAC,IAAI,wBAAgB,CAAC,OAAO,EAAE,MAAM,CAAC,CAAC;SAC3C;QAED,IAAI,CAAC,WAAW,GAAG,0BAAW,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;QACpD,IAAI,CAAC,YAAY,GAAG,4BAAY,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;QAEtD,8DAA8D;QAC9D,IAAI,MAAM,IAAI,MAAM,CAAC,MAAM,EAAE;YAC3B,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC,MAAM,CAAC;SAC7B;QAED,IAAI,IAAI,CAAC,SAAS,CAAC,kBAAM,CAAC,WAAW,CAAC,EAAE;YACtC,IAAI,CAAC,OAAO,GAAG,iBAAO,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;SAC7C;aAAM,IAAI,CAAA,OAAO,aAAP,OAAO,uBAAP,OAAO,CAAE,OAAO,KAAI,IAAI,EAAE;YACnC,MAAM,IAAI,iCAAyB,CAAC,mDAAmD,CAAC,CAAC;SAC1F;IACH,CAAC;IAED,IAAa,aAAa;QACxB,IAAI,IAAI,CAAC,SAAS,CAAC,kBAAM,CAAC,WAAW,CAAC,EAAE;YACtC,OAAO,IAAI,CAAC,OAAO,IAAI,IAAI,CAAC;SAC7B;QACD,OAAO,IAAI,CAAC;IACd,CAAC;IAQD,cAAc,CACZ,MAAc,EACd,OAAkC,EAClC,GAAa,EACb,QAAkB;QAElB,uDAAuD;QACvD,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;QAErB,MAAM,OAAO,GAAG;YACd,GAAG,IAAI,CAAC,OAAO;YACf,GAAG,IAAI,CAAC,WAAW;YACnB,cAAc,EAAE,IAAI,CAAC,cAAc;YACnC,OAAO;SACR,CAAC;QAEF,MAAM,iBAAiB,GAAG,IAAA,sBAAc,EAAC,MAAM,CAAC,CAAC;QACjD,MAAM,aAAa,GAAG,IAAI,CAAC,OAAO,IAAI,IAAI,CAAC,OAAO,CAAC,aAAa,EAAE,CAAC;QAEnE,IAAI,IAAI,CAAC,WAAW,IAAI,IAAA,kCAA0B,EAAC,GAAG,CAAC,IAAI,CAAC,aAAa,EAAE;YACzE,MAAM,CAAC,MAAM,CAAC,GAAG,EAAE,EAAE,WAAW,EAAE,IAAI,CAAC,WAAW,EAAE,CAAC,CAAC;SACvD;QAED,IAAI,IAAI,CAAC,iBAAiB,IAAI,iBAAiB,GAAG,mDAAgC,EAAE;YAClF,OAAO,CAAC,kBAAkB,GAAG,IAAI,CAAC;SACnC;QAED,IAAI,OAAO,CAAC,SAAS,IAAI,iBAAiB,GAAG,oCAAoC,EAAE;YACjF,QAAQ,CACN,IAAI,+BAAuB,CACzB,UAAU,MAAM,CAAC,IAAI,gCAAgC,iBAAiB,8BAA8B,CACrG,CACF,CAAC;YACF,OAAO;SACR;QAED,IAAI,IAAI,CAAC,YAAY,IAAI,IAAI,CAAC,SAAS,CAAC,kBAAM,CAAC,eAAe,CAAC,IAAI,CAAC,aAAa,EAAE;YACjF,MAAM,CAAC,MAAM,CAAC,GAAG,EAAE,EAAE,YAAY,EAAE,IAAI,CAAC,YAAY,EAAE,CAAC,CAAC;SACzD;QAED,IAAI,iBAAiB,IAAI,oCAAoC,EAAE;YAC7D,IACE,OAAO,CAAC,SAAS;gBACjB,OAAO,OAAO,CAAC,SAAS,KAAK,QAAQ;gBACrC,CAAC,IAAI,CAAC,SAAS,CAAC,kBAAM,CAAC,cAAc,CAAC,EACtC;gBACA,MAAM,CAAC,MAAM,CAAC,GAAG,EAAE,EAAE,SAAS,EAAE,OAAO,CAAC,SAAS,EAAE,CAAC,CAAC;aACtD;SACF;QAED,IAAI,OAAO,OAAO,CAAC,SAAS,KAAK,QAAQ,EAAE;YACzC,GAAG,CAAC,SAAS,GAAG,OAAO,CAAC,SAAS,CAAC;SACnC;QAED,IAAI,IAAI,CAAC,SAAS,CAAC,kBAAM,CAAC,WAAW,CAAC,IAAI,IAAI,CAAC,OAAO,EAAE;YACtD,IAAI,iBAAiB,GAAG,CAAC,IAAI,GAAG,CAAC,SAAS,EAAE;gBAC1C,0FAA0F;gBAC1F,GAAG,CAAC,OAAO,GAAG,IAAI,CAAC;aACpB;iBAAM;gBACL,GAAG,GAAG,IAAA,2BAAmB,EAAC,GAAG,EAAE,IAAI,CAAC,OAAO,CAAC,CAAC;aAC9C;SACF;QAED,MAAM,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE,EAAE,GAAG,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAClD,CAAC;CACF;AApHD,4CAoHC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/common_functions.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/common_functions.js
new file mode 100644
index 000000000..60ac62d5e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/common_functions.js
@@ -0,0 +1,71 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.prepareDocs = exports.indexInformation = void 0;
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+function indexInformation(db, name, _optionsOrCallback, _callback) {
+    let options = _optionsOrCallback;
+    let callback = _callback;
+    if ('function' === typeof _optionsOrCallback) {
+        callback = _optionsOrCallback;
+        options = {};
+    }
+    // If we specified full information
+    const full = options.full == null ? false : options.full;
+    let topology;
+    try {
+        topology = (0, utils_1.getTopology)(db);
+    }
+    catch (error) {
+        return callback(error);
+    }
+    // Did the user destroy the topology
+    if (topology.isDestroyed())
+        return callback(new error_1.MongoTopologyClosedError());
+    // Process all the results from the index command and collection
+    function processResults(indexes) {
+        // Contains all the information
+        const info = {};
+        // Process all the indexes
+        for (let i = 0; i < indexes.length; i++) {
+            const index = indexes[i];
+            // Let's unpack the object
+            info[index.name] = [];
+            for (const name in index.key) {
+                info[index.name].push([name, index.key[name]]);
+            }
+        }
+        return info;
+    }
+    // Get the list of indexes of the specified collection
+    db.collection(name)
+        .listIndexes(options)
+        .toArray((err, indexes) => {
+        if (err)
+            return callback(err);
+        if (!Array.isArray(indexes))
+            return callback(undefined, []);
+        if (full)
+            return callback(undefined, indexes);
+        callback(undefined, processResults(indexes));
+    });
+}
+exports.indexInformation = indexInformation;
+function prepareDocs(coll, docs, options) {
+    var _a;
+    const forceServerObjectId = typeof options.forceServerObjectId === 'boolean'
+        ? options.forceServerObjectId
+        : (_a = coll.s.db.options) === null || _a === void 0 ? void 0 : _a.forceServerObjectId;
+    // no need to modify the docs if server sets the ObjectId
+    if (forceServerObjectId === true) {
+        return docs;
+    }
+    return docs.map(doc => {
+        if (doc._id == null) {
+            doc._id = coll.s.pkFactory.createPk();
+        }
+        return doc;
+    });
+}
+exports.prepareDocs = prepareDocs;
+//# sourceMappingURL=common_functions.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/common_functions.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/common_functions.js.map
new file mode 100644
index 000000000..60d1acb09
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/common_functions.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"common_functions.js","sourceRoot":"","sources":["../../src/operations/common_functions.ts"],"names":[],"mappings":";;;AAGA,oCAAoD;AAGpD,oCAAiD;AAqBjD,SAAgB,gBAAgB,CAC9B,EAAM,EACN,IAAY,EACZ,kBAAsD,EACtD,SAAoB;IAEpB,IAAI,OAAO,GAAG,kBAA6C,CAAC;IAC5D,IAAI,QAAQ,GAAG,SAAqB,CAAC;IACrC,IAAI,UAAU,KAAK,OAAO,kBAAkB,EAAE;QAC5C,QAAQ,GAAG,kBAAkB,CAAC;QAC9B,OAAO,GAAG,EAAE,CAAC;KACd;IACD,mCAAmC;IACnC,MAAM,IAAI,GAAG,OAAO,CAAC,IAAI,IAAI,IAAI,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC;IAEzD,IAAI,QAAQ,CAAC;IACb,IAAI;QACF,QAAQ,GAAG,IAAA,mBAAW,EAAC,EAAE,CAAC,CAAC;KAC5B;IAAC,OAAO,KAAK,EAAE;QACd,OAAO,QAAQ,CAAC,KAAK,CAAC,CAAC;KACxB;IAED,oCAAoC;IACpC,IAAI,QAAQ,CAAC,WAAW,EAAE;QAAE,OAAO,QAAQ,CAAC,IAAI,gCAAwB,EAAE,CAAC,CAAC;IAC5E,gEAAgE;IAChE,SAAS,cAAc,CAAC,OAAY;QAClC,+BAA+B;QAC/B,MAAM,IAAI,GAAQ,EAAE,CAAC;QACrB,0BAA0B;QAC1B,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,OAAO,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;YACvC,MAAM,KAAK,GAAG,OAAO,CAAC,CAAC,CAAC,CAAC;YACzB,0BAA0B;YAC1B,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,GAAG,EAAE,CAAC;YACtB,KAAK,MAAM,IAAI,IAAI,KAAK,CAAC,GAAG,EAAE;gBAC5B,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC,IAAI,CAAC,CAAC,IAAI,EAAE,KAAK,CAAC,GAAG,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;aAChD;SACF;QAED,OAAO,IAAI,CAAC;IACd,CAAC;IAED,sDAAsD;IACtD,EAAE,CAAC,UAAU,CAAC,IAAI,CAAC;SAChB,WAAW,CAAC,OAAO,CAAC;SACpB,OAAO,CAAC,CAAC,GAAG,EAAE,OAAO,EAAE,EAAE;QACxB,IAAI,GAAG;YAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;QAC9B,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,OAAO,CAAC;YAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,EAAE,CAAC,CAAC;QAC5D,IAAI,IAAI;YAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,OAAO,CAAC,CAAC;QAC9C,QAAQ,CAAC,SAAS,EAAE,cAAc,CAAC,OAAO,CAAC,CAAC,CAAC;IAC/C,CAAC,CAAC,CAAC;AACP,CAAC;AAlDD,4CAkDC;AAED,SAAgB,WAAW,CACzB,IAAgB,EAChB,IAAgB,EAChB,OAA0C;;IAE1C,MAAM,mBAAmB,GACvB,OAAO,OAAO,CAAC,mBAAmB,KAAK,SAAS;QAC9C,CAAC,CAAC,OAAO,CAAC,mBAAmB;QAC7B,CAAC,CAAC,MAAA,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,OAAO,0CAAE,mBAAmB,CAAC;IAE7C,yDAAyD;IACzD,IAAI,mBAAmB,KAAK,IAAI,EAAE;QAChC,OAAO,IAAI,CAAC;KACb;IAED,OAAO,IAAI,CAAC,GAAG,CAAC,GAAG,CAAC,EAAE;QACpB,IAAI,GAAG,CAAC,GAAG,IAAI,IAAI,EAAE;YACnB,GAAG,CAAC,GAAG,GAAG,IAAI,CAAC,CAAC,CAAC,SAAS,CAAC,QAAQ,EAAE,CAAC;SACvC;QAED,OAAO,GAAG,CAAC;IACb,CAAC,CAAC,CAAC;AACL,CAAC;AAtBD,kCAsBC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/connect.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/connect.js
new file mode 100644
index 000000000..eb7abc874
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/connect.js
@@ -0,0 +1,85 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.connect = void 0;
+const connection_string_1 = require("../connection_string");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const topology_1 = require("../sdam/topology");
+function connect(mongoClient, options, callback) {
+    if (!callback) {
+        throw new error_1.MongoInvalidArgumentError('Callback function must be provided');
+    }
+    // If a connection already been established, we can terminate early
+    if (mongoClient.topology && mongoClient.topology.isConnected()) {
+        return callback(undefined, mongoClient);
+    }
+    const logger = mongoClient.logger;
+    const connectCallback = err => {
+        const warningMessage = 'seed list contains no mongos proxies, replicaset connections requires ' +
+            'the parameter replicaSet to be supplied in the URI or options object, ' +
+            'mongodb://server:port/db?replicaSet=name';
+        if (err && err.message === 'no mongos proxies found in seed list') {
+            if (logger.isWarn()) {
+                logger.warn(warningMessage);
+            }
+            // Return a more specific error message for MongoClient.connect
+            // TODO(NODE-3483)
+            return callback(new error_1.MongoRuntimeError(warningMessage));
+        }
+        callback(err, mongoClient);
+    };
+    if (typeof options.srvHost === 'string') {
+        return (0, connection_string_1.resolveSRVRecord)(options, (err, hosts) => {
+            if (err || !hosts)
+                return callback(err);
+            for (const [index, host] of hosts.entries()) {
+                options.hosts[index] = host;
+            }
+            return createTopology(mongoClient, options, connectCallback);
+        });
+    }
+    return createTopology(mongoClient, options, connectCallback);
+}
+exports.connect = connect;
+function createTopology(mongoClient, options, callback) {
+    // Create the topology
+    const topology = new topology_1.Topology(options.hosts, options);
+    // Events can be emitted before initialization is complete so we have to
+    // save the reference to the topology on the client ASAP if the event handlers need to access it
+    mongoClient.topology = topology;
+    topology.client = mongoClient;
+    topology.once(topology_1.Topology.OPEN, () => mongoClient.emit('open', mongoClient));
+    for (const event of constants_1.MONGO_CLIENT_EVENTS) {
+        topology.on(event, (...args) => mongoClient.emit(event, ...args));
+    }
+    // initialize CSFLE if requested
+    if (mongoClient.autoEncrypter) {
+        mongoClient.autoEncrypter.init(err => {
+            if (err) {
+                return callback(err);
+            }
+            topology.connect(options, err => {
+                if (err) {
+                    topology.close({ force: true });
+                    return callback(err);
+                }
+                options.encrypter.connectInternalClient(error => {
+                    if (error)
+                        return callback(error);
+                    callback(undefined, topology);
+                });
+            });
+        });
+        return;
+    }
+    // otherwise connect normally
+    topology.connect(options, err => {
+        if (err) {
+            topology.close({ force: true });
+            return callback(err);
+        }
+        callback(undefined, topology);
+        return;
+    });
+}
+//# sourceMappingURL=connect.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/connect.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/connect.js.map
new file mode 100644
index 000000000..f39e04be5
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/connect.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"connect.js","sourceRoot":"","sources":["../../src/operations/connect.ts"],"names":[],"mappings":";;;AAAA,4DAAwD;AACxD,4CAAmD;AACnD,oCAAwE;AAExE,+CAA4C;AAG5C,SAAgB,OAAO,CACrB,WAAwB,EACxB,OAAqB,EACrB,QAA+B;IAE/B,IAAI,CAAC,QAAQ,EAAE;QACb,MAAM,IAAI,iCAAyB,CAAC,oCAAoC,CAAC,CAAC;KAC3E;IAED,mEAAmE;IACnE,IAAI,WAAW,CAAC,QAAQ,IAAI,WAAW,CAAC,QAAQ,CAAC,WAAW,EAAE,EAAE;QAC9D,OAAO,QAAQ,CAAC,SAAS,EAAE,WAAW,CAAC,CAAC;KACzC;IAED,MAAM,MAAM,GAAG,WAAW,CAAC,MAAM,CAAC;IAClC,MAAM,eAAe,GAAa,GAAG,CAAC,EAAE;QACtC,MAAM,cAAc,GAClB,wEAAwE;YACxE,wEAAwE;YACxE,0CAA0C,CAAC;QAC7C,IAAI,GAAG,IAAI,GAAG,CAAC,OAAO,KAAK,sCAAsC,EAAE;YACjE,IAAI,MAAM,CAAC,MAAM,EAAE,EAAE;gBACnB,MAAM,CAAC,IAAI,CAAC,cAAc,CAAC,CAAC;aAC7B;YAED,+DAA+D;YAC/D,kBAAkB;YAClB,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,cAAc,CAAC,CAAC,CAAC;SACxD;QAED,QAAQ,CAAC,GAAG,EAAE,WAAW,CAAC,CAAC;IAC7B,CAAC,CAAC;IAEF,IAAI,OAAO,OAAO,CAAC,OAAO,KAAK,QAAQ,EAAE;QACvC,OAAO,IAAA,oCAAgB,EAAC,OAAO,EAAE,CAAC,GAAG,EAAE,KAAK,EAAE,EAAE;YAC9C,IAAI,GAAG,IAAI,CAAC,KAAK;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YACxC,KAAK,MAAM,CAAC,KAAK,EAAE,IAAI,CAAC,IAAI,KAAK,CAAC,OAAO,EAAE,EAAE;gBAC3C,OAAO,CAAC,KAAK,CAAC,KAAK,CAAC,GAAG,IAAI,CAAC;aAC7B;YAED,OAAO,cAAc,CAAC,WAAW,EAAE,OAAO,EAAE,eAAe,CAAC,CAAC;QAC/D,CAAC,CAAC,CAAC;KACJ;IAED,OAAO,cAAc,CAAC,WAAW,EAAE,OAAO,EAAE,eAAe,CAAC,CAAC;AAC/D,CAAC;AA7CD,0BA6CC;AAED,SAAS,cAAc,CACrB,WAAwB,EACxB,OAAqB,EACrB,QAA4B;IAE5B,sBAAsB;IACtB,MAAM,QAAQ,GAAG,IAAI,mBAAQ,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAC;IACtD,wEAAwE;IACxE,gGAAgG;IAChG,WAAW,CAAC,QAAQ,GAAG,QAAQ,CAAC;IAChC,QAAQ,CAAC,MAAM,GAAG,WAAW,CAAC;IAE9B,QAAQ,CAAC,IAAI,CAAC,mBAAQ,CAAC,IAAI,EAAE,GAAG,EAAE,CAAC,WAAW,CAAC,IAAI,CAAC,MAAM,EAAE,WAAW,CAAC,CAAC,CAAC;IAE1E,KAAK,MAAM,KAAK,IAAI,+BAAmB,EAAE;QACvC,QAAQ,CAAC,EAAE,CAAC,KAAK,EAAE,CAAC,GAAG,IAAW,EAAE,EAAE,CAAC,WAAW,CAAC,IAAI,CAAC,KAAK,EAAE,GAAI,IAAY,CAAC,CAAC,CAAC;KACnF;IAED,gCAAgC;IAChC,IAAI,WAAW,CAAC,aAAa,EAAE;QAC7B,WAAW,CAAC,aAAa,CAAC,IAAI,CAAC,GAAG,CAAC,EAAE;YACnC,IAAI,GAAG,EAAE;gBACP,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;aACtB;YAED,QAAQ,CAAC,OAAO,CAAC,OAAO,EAAE,GAAG,CAAC,EAAE;gBAC9B,IAAI,GAAG,EAAE;oBACP,QAAQ,CAAC,KAAK,CAAC,EAAE,KAAK,EAAE,IAAI,EAAE,CAAC,CAAC;oBAChC,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;iBACtB;gBAED,OAAO,CAAC,SAAS,CAAC,qBAAqB,CAAC,KAAK,CAAC,EAAE;oBAC9C,IAAI,KAAK;wBAAE,OAAO,QAAQ,CAAC,KAAK,CAAC,CAAC;oBAElC,QAAQ,CAAC,SAAS,EAAE,QAAQ,CAAC,CAAC;gBAChC,CAAC,CAAC,CAAC;YACL,CAAC,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;QAEH,OAAO;KACR;IAED,6BAA6B;IAC7B,QAAQ,CAAC,OAAO,CAAC,OAAO,EAAE,GAAG,CAAC,EAAE;QAC9B,IAAI,GAAG,EAAE;YACP,QAAQ,CAAC,KAAK,CAAC,EAAE,KAAK,EAAE,IAAI,EAAE,CAAC,CAAC;YAChC,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;SACtB;QAED,QAAQ,CAAC,SAAS,EAAE,QAAQ,CAAC,CAAC;QAC9B,OAAO;IACT,CAAC,CAAC,CAAC;AACL,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/count.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/count.js
new file mode 100644
index 000000000..706dde671
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/count.js
@@ -0,0 +1,39 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CountOperation = void 0;
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class CountOperation extends command_1.CommandOperation {
+    constructor(namespace, filter, options) {
+        super({ s: { namespace: namespace } }, options);
+        this.options = options;
+        this.collectionName = namespace.collection;
+        this.query = filter;
+    }
+    execute(server, session, callback) {
+        const options = this.options;
+        const cmd = {
+            count: this.collectionName,
+            query: this.query
+        };
+        if (typeof options.limit === 'number') {
+            cmd.limit = options.limit;
+        }
+        if (typeof options.skip === 'number') {
+            cmd.skip = options.skip;
+        }
+        if (options.hint != null) {
+            cmd.hint = options.hint;
+        }
+        if (typeof options.maxTimeMS === 'number') {
+            cmd.maxTimeMS = options.maxTimeMS;
+        }
+        super.executeCommand(server, session, cmd, (err, result) => {
+            callback(err, result ? result.n : 0);
+        });
+    }
+}
+exports.CountOperation = CountOperation;
+(0, operation_1.defineAspects)(CountOperation, [operation_1.Aspect.READ_OPERATION, operation_1.Aspect.RETRYABLE]);
+//# sourceMappingURL=count.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/count.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/count.js.map
new file mode 100644
index 000000000..aeee5fd7c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/count.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"count.js","sourceRoot":"","sources":["../../src/operations/count.ts"],"names":[],"mappings":";;;AAKA,uCAAsE;AACtE,2CAAoD;AAcpD,gBAAgB;AAChB,MAAa,cAAe,SAAQ,0BAAwB;IAK1D,YAAY,SAA2B,EAAE,MAAgB,EAAE,OAAqB;QAC9E,KAAK,CAAC,EAAE,CAAC,EAAE,EAAE,SAAS,EAAE,SAAS,EAAE,EAA2B,EAAE,OAAO,CAAC,CAAC;QAEzE,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,cAAc,GAAG,SAAS,CAAC,UAAU,CAAC;QAC3C,IAAI,CAAC,KAAK,GAAG,MAAM,CAAC;IACtB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA0B;QAE1B,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;QAC7B,MAAM,GAAG,GAAa;YACpB,KAAK,EAAE,IAAI,CAAC,cAAc;YAC1B,KAAK,EAAE,IAAI,CAAC,KAAK;SAClB,CAAC;QAEF,IAAI,OAAO,OAAO,CAAC,KAAK,KAAK,QAAQ,EAAE;YACrC,GAAG,CAAC,KAAK,GAAG,OAAO,CAAC,KAAK,CAAC;SAC3B;QAED,IAAI,OAAO,OAAO,CAAC,IAAI,KAAK,QAAQ,EAAE;YACpC,GAAG,CAAC,IAAI,GAAG,OAAO,CAAC,IAAI,CAAC;SACzB;QAED,IAAI,OAAO,CAAC,IAAI,IAAI,IAAI,EAAE;YACxB,GAAG,CAAC,IAAI,GAAG,OAAO,CAAC,IAAI,CAAC;SACzB;QAED,IAAI,OAAO,OAAO,CAAC,SAAS,KAAK,QAAQ,EAAE;YACzC,GAAG,CAAC,SAAS,GAAG,OAAO,CAAC,SAAS,CAAC;SACnC;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,GAAG,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;YACzD,QAAQ,CAAC,GAAG,EAAE,MAAM,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;QACvC,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA5CD,wCA4CC;AAED,IAAA,yBAAa,EAAC,cAAc,EAAE,CAAC,kBAAM,CAAC,cAAc,EAAE,kBAAM,CAAC,SAAS,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/count_documents.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/count_documents.js
new file mode 100644
index 000000000..562c9c068
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/count_documents.js
@@ -0,0 +1,37 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CountDocumentsOperation = void 0;
+const aggregate_1 = require("./aggregate");
+/** @internal */
+class CountDocumentsOperation extends aggregate_1.AggregateOperation {
+    constructor(collection, query, options) {
+        const pipeline = [];
+        pipeline.push({ $match: query });
+        if (typeof options.skip === 'number') {
+            pipeline.push({ $skip: options.skip });
+        }
+        if (typeof options.limit === 'number') {
+            pipeline.push({ $limit: options.limit });
+        }
+        pipeline.push({ $group: { _id: 1, n: { $sum: 1 } } });
+        super(collection.s.namespace, pipeline, options);
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, result) => {
+            if (err || !result) {
+                callback(err);
+                return;
+            }
+            // NOTE: We're avoiding creating a cursor here to reduce the callstack.
+            const response = result;
+            if (response.cursor == null || response.cursor.firstBatch == null) {
+                callback(undefined, 0);
+                return;
+            }
+            const docs = response.cursor.firstBatch;
+            callback(undefined, docs.length ? docs[0].n : 0);
+        });
+    }
+}
+exports.CountDocumentsOperation = CountDocumentsOperation;
+//# sourceMappingURL=count_documents.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/count_documents.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/count_documents.js.map
new file mode 100644
index 000000000..bc1ce7b67
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/count_documents.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"count_documents.js","sourceRoot":"","sources":["../../src/operations/count_documents.ts"],"names":[],"mappings":";;;AAKA,2CAAmE;AAUnE,gBAAgB;AAChB,MAAa,uBAAwB,SAAQ,8BAA0B;IACrE,YAAY,UAAsB,EAAE,KAAe,EAAE,OAA8B;QACjF,MAAM,QAAQ,GAAG,EAAE,CAAC;QACpB,QAAQ,CAAC,IAAI,CAAC,EAAE,MAAM,EAAE,KAAK,EAAE,CAAC,CAAC;QAEjC,IAAI,OAAO,OAAO,CAAC,IAAI,KAAK,QAAQ,EAAE;YACpC,QAAQ,CAAC,IAAI,CAAC,EAAE,KAAK,EAAE,OAAO,CAAC,IAAI,EAAE,CAAC,CAAC;SACxC;QAED,IAAI,OAAO,OAAO,CAAC,KAAK,KAAK,QAAQ,EAAE;YACrC,QAAQ,CAAC,IAAI,CAAC,EAAE,MAAM,EAAE,OAAO,CAAC,KAAK,EAAE,CAAC,CAAC;SAC1C;QAED,QAAQ,CAAC,IAAI,CAAC,EAAE,MAAM,EAAE,EAAE,GAAG,EAAE,CAAC,EAAE,CAAC,EAAE,EAAE,IAAI,EAAE,CAAC,EAAE,EAAE,EAAE,CAAC,CAAC;QAEtD,KAAK,CAAC,UAAU,CAAC,CAAC,CAAC,SAAS,EAAE,QAAQ,EAAE,OAAO,CAAC,CAAC;IACnD,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA0B;QAE1B,KAAK,CAAC,OAAO,CAAC,MAAM,EAAE,OAAO,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;YAC7C,IAAI,GAAG,IAAI,CAAC,MAAM,EAAE;gBAClB,QAAQ,CAAC,GAAG,CAAC,CAAC;gBACd,OAAO;aACR;YAED,uEAAuE;YACvE,MAAM,QAAQ,GAAG,MAA6B,CAAC;YAC/C,IAAI,QAAQ,CAAC,MAAM,IAAI,IAAI,IAAI,QAAQ,CAAC,MAAM,CAAC,UAAU,IAAI,IAAI,EAAE;gBACjE,QAAQ,CAAC,SAAS,EAAE,CAAC,CAAC,CAAC;gBACvB,OAAO;aACR;YAED,MAAM,IAAI,GAAG,QAAQ,CAAC,MAAM,CAAC,UAAU,CAAC;YACxC,QAAQ,CAAC,SAAS,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;QACnD,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAxCD,0DAwCC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/create_collection.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/create_collection.js
new file mode 100644
index 000000000..4d6c8a50e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/create_collection.js
@@ -0,0 +1,100 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CreateCollectionOperation = void 0;
+const collection_1 = require("../collection");
+const command_1 = require("./command");
+const indexes_1 = require("./indexes");
+const operation_1 = require("./operation");
+const ILLEGAL_COMMAND_FIELDS = new Set([
+    'w',
+    'wtimeout',
+    'j',
+    'fsync',
+    'autoIndexId',
+    'pkFactory',
+    'raw',
+    'readPreference',
+    'session',
+    'readConcern',
+    'writeConcern',
+    'raw',
+    'fieldsAsRaw',
+    'promoteLongs',
+    'promoteValues',
+    'promoteBuffers',
+    'bsonRegExp',
+    'serializeFunctions',
+    'ignoreUndefined',
+    'enableUtf8Validation'
+]);
+/** @internal */
+class CreateCollectionOperation extends command_1.CommandOperation {
+    constructor(db, name, options = {}) {
+        super(db, options);
+        this.options = options;
+        this.db = db;
+        this.name = name;
+    }
+    execute(server, session, callback) {
+        (async () => {
+            var _a, _b, _c, _d, _e, _f;
+            const db = this.db;
+            const name = this.name;
+            const options = this.options;
+            const encryptedFields = (_a = options.encryptedFields) !== null && _a !== void 0 ? _a : (_c = (_b = db.s.client.options.autoEncryption) === null || _b === void 0 ? void 0 : _b.encryptedFieldsMap) === null || _c === void 0 ? void 0 : _c[`${db.databaseName}.${name}`];
+            if (encryptedFields) {
+                // Create auxilliary collections for queryable encryption support.
+                const escCollection = (_d = encryptedFields.escCollection) !== null && _d !== void 0 ? _d : `enxcol_.${name}.esc`;
+                const eccCollection = (_e = encryptedFields.eccCollection) !== null && _e !== void 0 ? _e : `enxcol_.${name}.ecc`;
+                const ecocCollection = (_f = encryptedFields.ecocCollection) !== null && _f !== void 0 ? _f : `enxcol_.${name}.ecoc`;
+                for (const collectionName of [escCollection, eccCollection, ecocCollection]) {
+                    const createOp = new CreateCollectionOperation(db, collectionName, {
+                        clusteredIndex: {
+                            key: { _id: 1 },
+                            unique: true
+                        }
+                    });
+                    await createOp.executeWithoutEncryptedFieldsCheck(server, session);
+                }
+                if (!options.encryptedFields) {
+                    this.options = { ...this.options, encryptedFields };
+                }
+            }
+            const coll = await this.executeWithoutEncryptedFieldsCheck(server, session);
+            if (encryptedFields) {
+                // Create the required index for queryable encryption support.
+                const createIndexOp = new indexes_1.CreateIndexOperation(db, name, { __safeContent__: 1 }, {});
+                await new Promise((resolve, reject) => {
+                    createIndexOp.execute(server, session, err => (err ? reject(err) : resolve()));
+                });
+            }
+            return coll;
+        })().then(coll => callback(undefined, coll), err => callback(err));
+    }
+    executeWithoutEncryptedFieldsCheck(server, session) {
+        return new Promise((resolve, reject) => {
+            const db = this.db;
+            const name = this.name;
+            const options = this.options;
+            const done = err => {
+                if (err) {
+                    return reject(err);
+                }
+                resolve(new collection_1.Collection(db, name, options));
+            };
+            const cmd = { create: name };
+            for (const n in options) {
+                if (options[n] != null &&
+                    typeof options[n] !== 'function' &&
+                    !ILLEGAL_COMMAND_FIELDS.has(n)) {
+                    cmd[n] = options[n];
+                }
+            }
+            // otherwise just execute the command
+            super.executeCommand(server, session, cmd, done);
+        });
+    }
+}
+exports.CreateCollectionOperation = CreateCollectionOperation;
+(0, operation_1.defineAspects)(CreateCollectionOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=create_collection.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/create_collection.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/create_collection.js.map
new file mode 100644
index 000000000..d84b54248
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/create_collection.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"create_collection.js","sourceRoot":"","sources":["../../src/operations/create_collection.ts"],"names":[],"mappings":";;;AACA,8CAA2C;AAM3C,uCAAsE;AACtE,uCAAiD;AACjD,2CAAoD;AAEpD,MAAM,sBAAsB,GAAG,IAAI,GAAG,CAAC;IACrC,GAAG;IACH,UAAU;IACV,GAAG;IACH,OAAO;IACP,aAAa;IACb,WAAW;IACX,KAAK;IACL,gBAAgB;IAChB,SAAS;IACT,aAAa;IACb,cAAc;IACd,KAAK;IACL,aAAa;IACb,cAAc;IACd,eAAe;IACf,gBAAgB;IAChB,YAAY;IACZ,oBAAoB;IACpB,iBAAiB;IACjB,sBAAsB;CACvB,CAAC,CAAC;AAmEH,gBAAgB;AAChB,MAAa,yBAA0B,SAAQ,0BAA4B;IAKzE,YAAY,EAAM,EAAE,IAAY,EAAE,UAAmC,EAAE;QACrE,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QAEnB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;IACnB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA8B;QAE9B,CAAC,KAAK,IAAI,EAAE;;YACV,MAAM,EAAE,GAAG,IAAI,CAAC,EAAE,CAAC;YACnB,MAAM,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC;YACvB,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;YAE7B,MAAM,eAAe,GACnB,MAAA,OAAO,CAAC,eAAe,mCACvB,MAAA,MAAA,EAAE,CAAC,CAAC,CAAC,MAAM,CAAC,OAAO,CAAC,cAAc,0CAAE,kBAAkB,0CAAG,GAAG,EAAE,CAAC,YAAY,IAAI,IAAI,EAAE,CAAC,CAAC;YAEzF,IAAI,eAAe,EAAE;gBACnB,kEAAkE;gBAClE,MAAM,aAAa,GAAG,MAAA,eAAe,CAAC,aAAa,mCAAI,WAAW,IAAI,MAAM,CAAC;gBAC7E,MAAM,aAAa,GAAG,MAAA,eAAe,CAAC,aAAa,mCAAI,WAAW,IAAI,MAAM,CAAC;gBAC7E,MAAM,cAAc,GAAG,MAAA,eAAe,CAAC,cAAc,mCAAI,WAAW,IAAI,OAAO,CAAC;gBAEhF,KAAK,MAAM,cAAc,IAAI,CAAC,aAAa,EAAE,aAAa,EAAE,cAAc,CAAC,EAAE;oBAC3E,MAAM,QAAQ,GAAG,IAAI,yBAAyB,CAAC,EAAE,EAAE,cAAc,EAAE;wBACjE,cAAc,EAAE;4BACd,GAAG,EAAE,EAAE,GAAG,EAAE,CAAC,EAAE;4BACf,MAAM,EAAE,IAAI;yBACb;qBACF,CAAC,CAAC;oBACH,MAAM,QAAQ,CAAC,kCAAkC,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC;iBACpE;gBAED,IAAI,CAAC,OAAO,CAAC,eAAe,EAAE;oBAC5B,IAAI,CAAC,OAAO,GAAG,EAAE,GAAG,IAAI,CAAC,OAAO,EAAE,eAAe,EAAE,CAAC;iBACrD;aACF;YAED,MAAM,IAAI,GAAG,MAAM,IAAI,CAAC,kCAAkC,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC;YAE5E,IAAI,eAAe,EAAE;gBACnB,8DAA8D;gBAC9D,MAAM,aAAa,GAAG,IAAI,8BAAoB,CAAC,EAAE,EAAE,IAAI,EAAE,EAAE,eAAe,EAAE,CAAC,EAAE,EAAE,EAAE,CAAC,CAAC;gBACrF,MAAM,IAAI,OAAO,CAAO,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE;oBAC1C,aAAa,CAAC,OAAO,CAAC,MAAM,EAAE,OAAO,EAAE,GAAG,CAAC,EAAE,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,MAAM,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,OAAO,EAAE,CAAC,CAAC,CAAC;gBACjF,CAAC,CAAC,CAAC;aACJ;YAED,OAAO,IAAI,CAAC;QACd,CAAC,CAAC,EAAE,CAAC,IAAI,CACP,IAAI,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,IAAI,CAAC,EACjC,GAAG,CAAC,EAAE,CAAC,QAAQ,CAAC,GAAG,CAAC,CACrB,CAAC;IACJ,CAAC;IAEO,kCAAkC,CACxC,MAAc,EACd,OAAkC;QAElC,OAAO,IAAI,OAAO,CAAa,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE;YACjD,MAAM,EAAE,GAAG,IAAI,CAAC,EAAE,CAAC;YACnB,MAAM,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC;YACvB,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;YAE7B,MAAM,IAAI,GAAa,GAAG,CAAC,EAAE;gBAC3B,IAAI,GAAG,EAAE;oBACP,OAAO,MAAM,CAAC,GAAG,CAAC,CAAC;iBACpB;gBAED,OAAO,CAAC,IAAI,uBAAU,CAAC,EAAE,EAAE,IAAI,EAAE,OAAO,CAAC,CAAC,CAAC;YAC7C,CAAC,CAAC;YAEF,MAAM,GAAG,GAAa,EAAE,MAAM,EAAE,IAAI,EAAE,CAAC;YACvC,KAAK,MAAM,CAAC,IAAI,OAAO,EAAE;gBACvB,IACG,OAAe,CAAC,CAAC,CAAC,IAAI,IAAI;oBAC3B,OAAQ,OAAe,CAAC,CAAC,CAAC,KAAK,UAAU;oBACzC,CAAC,sBAAsB,CAAC,GAAG,CAAC,CAAC,CAAC,EAC9B;oBACA,GAAG,CAAC,CAAC,CAAC,GAAI,OAAe,CAAC,CAAC,CAAC,CAAC;iBAC9B;aACF;YAED,qCAAqC;YACrC,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,GAAG,EAAE,IAAI,CAAC,CAAC;QACnD,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAjGD,8DAiGC;AAED,IAAA,yBAAa,EAAC,yBAAyB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/delete.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/delete.js
new file mode 100644
index 000000000..34cd24a10
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/delete.js
@@ -0,0 +1,135 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.makeDeleteStatement = exports.DeleteManyOperation = exports.DeleteOneOperation = exports.DeleteOperation = void 0;
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class DeleteOperation extends command_1.CommandOperation {
+    constructor(ns, statements, options) {
+        super(undefined, options);
+        this.options = options;
+        this.ns = ns;
+        this.statements = statements;
+    }
+    get canRetryWrite() {
+        if (super.canRetryWrite === false) {
+            return false;
+        }
+        return this.statements.every(op => (op.limit != null ? op.limit > 0 : true));
+    }
+    execute(server, session, callback) {
+        var _a;
+        const options = (_a = this.options) !== null && _a !== void 0 ? _a : {};
+        const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+        const command = {
+            delete: this.ns.collection,
+            deletes: this.statements,
+            ordered
+        };
+        if (options.let) {
+            command.let = options.let;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (options.comment !== undefined) {
+            command.comment = options.comment;
+        }
+        if (options.explain != null && (0, utils_1.maxWireVersion)(server) < 3) {
+            return callback
+                ? callback(new error_1.MongoCompatibilityError(`Server ${server.name} does not support explain on delete`))
+                : undefined;
+        }
+        const unacknowledgedWrite = this.writeConcern && this.writeConcern.w === 0;
+        if (unacknowledgedWrite || (0, utils_1.maxWireVersion)(server) < 5) {
+            if (this.statements.find((o) => o.hint)) {
+                callback(new error_1.MongoCompatibilityError(`Servers < 3.4 do not support hint on delete`));
+                return;
+            }
+        }
+        const statementWithCollation = this.statements.find(statement => !!statement.collation);
+        if (statementWithCollation && (0, utils_1.collationNotSupported)(server, statementWithCollation)) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name} does not support collation`));
+            return;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.DeleteOperation = DeleteOperation;
+class DeleteOneOperation extends DeleteOperation {
+    constructor(collection, filter, options) {
+        super(collection.s.namespace, [makeDeleteStatement(filter, { ...options, limit: 1 })], options);
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, res) => {
+            var _a, _b;
+            if (err || res == null)
+                return callback(err);
+            if (res.code)
+                return callback(new error_1.MongoServerError(res));
+            if (res.writeErrors)
+                return callback(new error_1.MongoServerError(res.writeErrors[0]));
+            if (this.explain)
+                return callback(undefined, res);
+            callback(undefined, {
+                acknowledged: (_b = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) !== 0) !== null && _b !== void 0 ? _b : true,
+                deletedCount: res.n
+            });
+        });
+    }
+}
+exports.DeleteOneOperation = DeleteOneOperation;
+class DeleteManyOperation extends DeleteOperation {
+    constructor(collection, filter, options) {
+        super(collection.s.namespace, [makeDeleteStatement(filter, options)], options);
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, res) => {
+            var _a, _b;
+            if (err || res == null)
+                return callback(err);
+            if (res.code)
+                return callback(new error_1.MongoServerError(res));
+            if (res.writeErrors)
+                return callback(new error_1.MongoServerError(res.writeErrors[0]));
+            if (this.explain)
+                return callback(undefined, res);
+            callback(undefined, {
+                acknowledged: (_b = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) !== 0) !== null && _b !== void 0 ? _b : true,
+                deletedCount: res.n
+            });
+        });
+    }
+}
+exports.DeleteManyOperation = DeleteManyOperation;
+function makeDeleteStatement(filter, options) {
+    const op = {
+        q: filter,
+        limit: typeof options.limit === 'number' ? options.limit : 0
+    };
+    if (options.single === true) {
+        op.limit = 1;
+    }
+    if (options.collation) {
+        op.collation = options.collation;
+    }
+    if (options.hint) {
+        op.hint = options.hint;
+    }
+    return op;
+}
+exports.makeDeleteStatement = makeDeleteStatement;
+(0, operation_1.defineAspects)(DeleteOperation, [operation_1.Aspect.RETRYABLE, operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(DeleteOneOperation, [
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.WRITE_OPERATION,
+    operation_1.Aspect.EXPLAINABLE,
+    operation_1.Aspect.SKIP_COLLATION
+]);
+(0, operation_1.defineAspects)(DeleteManyOperation, [
+    operation_1.Aspect.WRITE_OPERATION,
+    operation_1.Aspect.EXPLAINABLE,
+    operation_1.Aspect.SKIP_COLLATION
+]);
+//# sourceMappingURL=delete.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/delete.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/delete.js.map
new file mode 100644
index 000000000..e716dfe5e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/delete.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/distinct.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/distinct.js
new file mode 100644
index 000000000..8e9dd9455
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/distinct.js
@@ -0,0 +1,67 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DistinctOperation = void 0;
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/**
+ * Return a list of distinct values for the given key across a collection.
+ * @internal
+ */
+class DistinctOperation extends command_1.CommandOperation {
+    /**
+     * Construct a Distinct operation.
+     *
+     * @param collection - Collection instance.
+     * @param key - Field of the document to find distinct values for.
+     * @param query - The query for filtering the set of documents to which we apply the distinct filter.
+     * @param options - Optional settings. See Collection.prototype.distinct for a list of options.
+     */
+    constructor(collection, key, query, options) {
+        super(collection, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.collection = collection;
+        this.key = key;
+        this.query = query;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        const key = this.key;
+        const query = this.query;
+        const options = this.options;
+        // Distinct command
+        const cmd = {
+            distinct: coll.collectionName,
+            key: key,
+            query: query
+        };
+        // Add maxTimeMS if defined
+        if (typeof options.maxTimeMS === 'number') {
+            cmd.maxTimeMS = options.maxTimeMS;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (typeof options.comment !== 'undefined') {
+            cmd.comment = options.comment;
+        }
+        // Do we have a readConcern specified
+        (0, utils_1.decorateWithReadConcern)(cmd, coll, options);
+        // Have we specified collation
+        try {
+            (0, utils_1.decorateWithCollation)(cmd, coll, options);
+        }
+        catch (err) {
+            return callback(err);
+        }
+        super.executeCommand(server, session, cmd, (err, result) => {
+            if (err) {
+                callback(err);
+                return;
+            }
+            callback(undefined, this.explain ? result : result.values);
+        });
+    }
+}
+exports.DistinctOperation = DistinctOperation;
+(0, operation_1.defineAspects)(DistinctOperation, [operation_1.Aspect.READ_OPERATION, operation_1.Aspect.RETRYABLE, operation_1.Aspect.EXPLAINABLE]);
+//# sourceMappingURL=distinct.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/distinct.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/distinct.js.map
new file mode 100644
index 000000000..39dc73ba9
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/distinct.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"distinct.js","sourceRoot":"","sources":["../../src/operations/distinct.ts"],"names":[],"mappings":";;;AAIA,oCAAoF;AACpF,uCAAsE;AACtE,2CAAoD;AAKpD;;;GAGG;AACH,MAAa,iBAAkB,SAAQ,0BAAuB;IAQ5D;;;;;;;OAOG;IACH,YAAY,UAAsB,EAAE,GAAW,EAAE,KAAe,EAAE,OAAyB;QACzF,KAAK,CAAC,UAAU,EAAE,OAAO,CAAC,CAAC;QAE3B,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAC7B,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,GAAG,GAAG,GAAG,CAAC;QACf,IAAI,CAAC,KAAK,GAAG,KAAK,CAAC;IACrB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAyB;QAEzB,MAAM,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;QAC7B,MAAM,GAAG,GAAG,IAAI,CAAC,GAAG,CAAC;QACrB,MAAM,KAAK,GAAG,IAAI,CAAC,KAAK,CAAC;QACzB,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;QAE7B,mBAAmB;QACnB,MAAM,GAAG,GAAa;YACpB,QAAQ,EAAE,IAAI,CAAC,cAAc;YAC7B,GAAG,EAAE,GAAG;YACR,KAAK,EAAE,KAAK;SACb,CAAC;QAEF,2BAA2B;QAC3B,IAAI,OAAO,OAAO,CAAC,SAAS,KAAK,QAAQ,EAAE;YACzC,GAAG,CAAC,SAAS,GAAG,OAAO,CAAC,SAAS,CAAC;SACnC;QAED,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,OAAO,OAAO,CAAC,OAAO,KAAK,WAAW,EAAE;YAC1C,GAAG,CAAC,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;SAC/B;QAED,qCAAqC;QACrC,IAAA,+BAAuB,EAAC,GAAG,EAAE,IAAI,EAAE,OAAO,CAAC,CAAC;QAE5C,8BAA8B;QAC9B,IAAI;YACF,IAAA,6BAAqB,EAAC,GAAG,EAAE,IAAI,EAAE,OAAO,CAAC,CAAC;SAC3C;QAAC,OAAO,GAAG,EAAE;YACZ,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;SACtB;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,GAAG,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;YACzD,IAAI,GAAG,EAAE;gBACP,QAAQ,CAAC,GAAG,CAAC,CAAC;gBACd,OAAO;aACR;YAED,QAAQ,CAAC,SAAS,EAAE,IAAI,CAAC,OAAO,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,MAAM,CAAC,MAAM,CAAC,CAAC;QAC7D,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAxED,8CAwEC;AAED,IAAA,yBAAa,EAAC,iBAAiB,EAAE,CAAC,kBAAM,CAAC,cAAc,EAAE,kBAAM,CAAC,SAAS,EAAE,kBAAM,CAAC,WAAW,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/drop.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/drop.js
new file mode 100644
index 000000000..c0cbcf2f4
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/drop.js
@@ -0,0 +1,84 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DropDatabaseOperation = exports.DropCollectionOperation = void 0;
+const error_1 = require("../error");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class DropCollectionOperation extends command_1.CommandOperation {
+    constructor(db, name, options = {}) {
+        super(db, options);
+        this.db = db;
+        this.options = options;
+        this.name = name;
+    }
+    execute(server, session, callback) {
+        (async () => {
+            var _a, _b, _c, _d;
+            const db = this.db;
+            const options = this.options;
+            const name = this.name;
+            const encryptedFieldsMap = (_a = db.s.client.options.autoEncryption) === null || _a === void 0 ? void 0 : _a.encryptedFieldsMap;
+            let encryptedFields = (_b = options.encryptedFields) !== null && _b !== void 0 ? _b : encryptedFieldsMap === null || encryptedFieldsMap === void 0 ? void 0 : encryptedFieldsMap[`${db.databaseName}.${name}`];
+            if (!encryptedFields && encryptedFieldsMap) {
+                // If the MongoClient was configued with an encryptedFieldsMap,
+                // and no encryptedFields config was available in it or explicitly
+                // passed as an argument, the spec tells us to look one up using
+                // listCollections().
+                const listCollectionsResult = await db
+                    .listCollections({ name }, { nameOnly: false })
+                    .toArray();
+                encryptedFields = (_d = (_c = listCollectionsResult === null || listCollectionsResult === void 0 ? void 0 : listCollectionsResult[0]) === null || _c === void 0 ? void 0 : _c.options) === null || _d === void 0 ? void 0 : _d.encryptedFields;
+            }
+            if (encryptedFields) {
+                const escCollection = encryptedFields.escCollection || `enxcol_.${name}.esc`;
+                const eccCollection = encryptedFields.eccCollection || `enxcol_.${name}.ecc`;
+                const ecocCollection = encryptedFields.ecocCollection || `enxcol_.${name}.ecoc`;
+                for (const collectionName of [escCollection, eccCollection, ecocCollection]) {
+                    // Drop auxilliary collections, ignoring potential NamespaceNotFound errors.
+                    const dropOp = new DropCollectionOperation(db, collectionName);
+                    try {
+                        await dropOp.executeWithoutEncryptedFieldsCheck(server, session);
+                    }
+                    catch (err) {
+                        if (!(err instanceof error_1.MongoServerError) ||
+                            err.code !== error_1.MONGODB_ERROR_CODES.NamespaceNotFound) {
+                            throw err;
+                        }
+                    }
+                }
+            }
+            return await this.executeWithoutEncryptedFieldsCheck(server, session);
+        })().then(result => callback(undefined, result), err => callback(err));
+    }
+    executeWithoutEncryptedFieldsCheck(server, session) {
+        return new Promise((resolve, reject) => {
+            super.executeCommand(server, session, { drop: this.name }, (err, result) => {
+                if (err)
+                    return reject(err);
+                resolve(!!result.ok);
+            });
+        });
+    }
+}
+exports.DropCollectionOperation = DropCollectionOperation;
+/** @internal */
+class DropDatabaseOperation extends command_1.CommandOperation {
+    constructor(db, options) {
+        super(db, options);
+        this.options = options;
+    }
+    execute(server, session, callback) {
+        super.executeCommand(server, session, { dropDatabase: 1 }, (err, result) => {
+            if (err)
+                return callback(err);
+            if (result.ok)
+                return callback(undefined, true);
+            callback(undefined, false);
+        });
+    }
+}
+exports.DropDatabaseOperation = DropDatabaseOperation;
+(0, operation_1.defineAspects)(DropCollectionOperation, [operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(DropDatabaseOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=drop.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/drop.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/drop.js.map
new file mode 100644
index 000000000..6f6e283b4
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/drop.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"drop.js","sourceRoot":"","sources":["../../src/operations/drop.ts"],"names":[],"mappings":";;;AAEA,oCAAiE;AAIjE,uCAAsE;AACtE,2CAAoD;AAQpD,gBAAgB;AAChB,MAAa,uBAAwB,SAAQ,0BAAyB;IAKpE,YAAY,EAAM,EAAE,IAAY,EAAE,UAAiC,EAAE;QACnE,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;IACnB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA2B;QAE3B,CAAC,KAAK,IAAI,EAAE;;YACV,MAAM,EAAE,GAAG,IAAI,CAAC,EAAE,CAAC;YACnB,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;YAC7B,MAAM,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC;YAEvB,MAAM,kBAAkB,GAAG,MAAA,EAAE,CAAC,CAAC,CAAC,MAAM,CAAC,OAAO,CAAC,cAAc,0CAAE,kBAAkB,CAAC;YAClF,IAAI,eAAe,GACjB,MAAA,OAAO,CAAC,eAAe,mCAAI,kBAAkB,aAAlB,kBAAkB,uBAAlB,kBAAkB,CAAG,GAAG,EAAE,CAAC,YAAY,IAAI,IAAI,EAAE,CAAC,CAAC;YAEhF,IAAI,CAAC,eAAe,IAAI,kBAAkB,EAAE;gBAC1C,+DAA+D;gBAC/D,kEAAkE;gBAClE,gEAAgE;gBAChE,qBAAqB;gBACrB,MAAM,qBAAqB,GAAG,MAAM,EAAE;qBACnC,eAAe,CAAC,EAAE,IAAI,EAAE,EAAE,EAAE,QAAQ,EAAE,KAAK,EAAE,CAAC;qBAC9C,OAAO,EAAE,CAAC;gBACb,eAAe,GAAG,MAAA,MAAA,qBAAqB,aAArB,qBAAqB,uBAArB,qBAAqB,CAAG,CAAC,CAAC,0CAAE,OAAO,0CAAE,eAAe,CAAC;aACxE;YAED,IAAI,eAAe,EAAE;gBACnB,MAAM,aAAa,GAAG,eAAe,CAAC,aAAa,IAAI,WAAW,IAAI,MAAM,CAAC;gBAC7E,MAAM,aAAa,GAAG,eAAe,CAAC,aAAa,IAAI,WAAW,IAAI,MAAM,CAAC;gBAC7E,MAAM,cAAc,GAAG,eAAe,CAAC,cAAc,IAAI,WAAW,IAAI,OAAO,CAAC;gBAEhF,KAAK,MAAM,cAAc,IAAI,CAAC,aAAa,EAAE,aAAa,EAAE,cAAc,CAAC,EAAE;oBAC3E,4EAA4E;oBAC5E,MAAM,MAAM,GAAG,IAAI,uBAAuB,CAAC,EAAE,EAAE,cAAc,CAAC,CAAC;oBAC/D,IAAI;wBACF,MAAM,MAAM,CAAC,kCAAkC,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC;qBAClE;oBAAC,OAAO,GAAG,EAAE;wBACZ,IACE,CAAC,CAAC,GAAG,YAAY,wBAAgB,CAAC;4BAClC,GAAG,CAAC,IAAI,KAAK,2BAAmB,CAAC,iBAAiB,EAClD;4BACA,MAAM,GAAG,CAAC;yBACX;qBACF;iBACF;aACF;YAED,OAAO,MAAM,IAAI,CAAC,kCAAkC,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC;QACxE,CAAC,CAAC,EAAE,CAAC,IAAI,CACP,MAAM,CAAC,EAAE,CAAC,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,EACrC,GAAG,CAAC,EAAE,CAAC,QAAQ,CAAC,GAAG,CAAC,CACrB,CAAC;IACJ,CAAC;IAEO,kCAAkC,CACxC,MAAc,EACd,OAAkC;QAElC,OAAO,IAAI,OAAO,CAAU,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE;YAC9C,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,EAAE,IAAI,EAAE,IAAI,CAAC,IAAI,EAAE,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;gBACzE,IAAI,GAAG;oBAAE,OAAO,MAAM,CAAC,GAAG,CAAC,CAAC;gBAC5B,OAAO,CAAC,CAAC,CAAC,MAAM,CAAC,EAAE,CAAC,CAAC;YACvB,CAAC,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA5ED,0DA4EC;AAKD,gBAAgB;AAChB,MAAa,qBAAsB,SAAQ,0BAAyB;IAGlE,YAAY,EAAM,EAAE,OAA4B;QAC9C,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IACQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA2B;QAE3B,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,EAAE,YAAY,EAAE,CAAC,EAAE,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;YACzE,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC9B,IAAI,MAAM,CAAC,EAAE;gBAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,IAAI,CAAC,CAAC;YAChD,QAAQ,CAAC,SAAS,EAAE,KAAK,CAAC,CAAC;QAC7B,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAlBD,sDAkBC;AAED,IAAA,yBAAa,EAAC,uBAAuB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC;AACjE,IAAA,yBAAa,EAAC,qBAAqB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/estimated_document_count.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/estimated_document_count.js
new file mode 100644
index 000000000..1cd7f60bf
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/estimated_document_count.js
@@ -0,0 +1,38 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EstimatedDocumentCountOperation = void 0;
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class EstimatedDocumentCountOperation extends command_1.CommandOperation {
+    constructor(collection, options = {}) {
+        super(collection, options);
+        this.options = options;
+        this.collectionName = collection.collectionName;
+    }
+    execute(server, session, callback) {
+        const cmd = { count: this.collectionName };
+        if (typeof this.options.maxTimeMS === 'number') {
+            cmd.maxTimeMS = this.options.maxTimeMS;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (this.options.comment !== undefined) {
+            cmd.comment = this.options.comment;
+        }
+        super.executeCommand(server, session, cmd, (err, response) => {
+            if (err) {
+                callback(err);
+                return;
+            }
+            callback(undefined, (response === null || response === void 0 ? void 0 : response.n) || 0);
+        });
+    }
+}
+exports.EstimatedDocumentCountOperation = EstimatedDocumentCountOperation;
+(0, operation_1.defineAspects)(EstimatedDocumentCountOperation, [
+    operation_1.Aspect.READ_OPERATION,
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.CURSOR_CREATING
+]);
+//# sourceMappingURL=estimated_document_count.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/estimated_document_count.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/estimated_document_count.js.map
new file mode 100644
index 000000000..e325a23d5
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/estimated_document_count.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"estimated_document_count.js","sourceRoot":"","sources":["../../src/operations/estimated_document_count.ts"],"names":[],"mappings":";;;AAKA,uCAAsE;AACtE,2CAAoD;AAYpD,gBAAgB;AAChB,MAAa,+BAAgC,SAAQ,0BAAwB;IAI3E,YAAY,UAAsB,EAAE,UAAyC,EAAE;QAC7E,KAAK,CAAC,UAAU,EAAE,OAAO,CAAC,CAAC;QAC3B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,cAAc,GAAG,UAAU,CAAC,cAAc,CAAC;IAClD,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA0B;QAE1B,MAAM,GAAG,GAAa,EAAE,KAAK,EAAE,IAAI,CAAC,cAAc,EAAE,CAAC;QAErD,IAAI,OAAO,IAAI,CAAC,OAAO,CAAC,SAAS,KAAK,QAAQ,EAAE;YAC9C,GAAG,CAAC,SAAS,GAAG,IAAI,CAAC,OAAO,CAAC,SAAS,CAAC;SACxC;QAED,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,IAAI,CAAC,OAAO,CAAC,OAAO,KAAK,SAAS,EAAE;YACtC,GAAG,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC,OAAO,CAAC;SACpC;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,GAAG,EAAE,CAAC,GAAG,EAAE,QAAQ,EAAE,EAAE;YAC3D,IAAI,GAAG,EAAE;gBACP,QAAQ,CAAC,GAAG,CAAC,CAAC;gBACd,OAAO;aACR;YAED,QAAQ,CAAC,SAAS,EAAE,CAAA,QAAQ,aAAR,QAAQ,uBAAR,QAAQ,CAAE,CAAC,KAAI,CAAC,CAAC,CAAC;QACxC,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AApCD,0EAoCC;AAED,IAAA,yBAAa,EAAC,+BAA+B,EAAE;IAC7C,kBAAM,CAAC,cAAc;IACrB,kBAAM,CAAC,SAAS;IAChB,kBAAM,CAAC,eAAe;CACvB,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/eval.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/eval.js
new file mode 100644
index 000000000..7227ce458
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/eval.js
@@ -0,0 +1,55 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EvalOperation = void 0;
+const bson_1 = require("../bson");
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const command_1 = require("./command");
+/** @internal */
+class EvalOperation extends command_1.CommandOperation {
+    constructor(db, code, parameters, options) {
+        super(db, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.code = code;
+        this.parameters = parameters;
+        // force primary read preference
+        Object.defineProperty(this, 'readPreference', {
+            value: read_preference_1.ReadPreference.primary,
+            configurable: false,
+            writable: false
+        });
+    }
+    execute(server, session, callback) {
+        let finalCode = this.code;
+        let finalParameters = [];
+        // If not a code object translate to one
+        if (!(finalCode && finalCode._bsontype === 'Code')) {
+            finalCode = new bson_1.Code(finalCode);
+        }
+        // Ensure the parameters are correct
+        if (this.parameters != null && typeof this.parameters !== 'function') {
+            finalParameters = Array.isArray(this.parameters) ? this.parameters : [this.parameters];
+        }
+        // Create execution selector
+        const cmd = { $eval: finalCode, args: finalParameters };
+        // Check if the nolock parameter is passed in
+        if (this.options.nolock) {
+            cmd.nolock = this.options.nolock;
+        }
+        // Execute the command
+        super.executeCommand(server, session, cmd, (err, result) => {
+            if (err)
+                return callback(err);
+            if (result && result.ok === 1) {
+                return callback(undefined, result.retval);
+            }
+            if (result) {
+                callback(new error_1.MongoServerError({ message: `eval failed: ${result.errmsg}` }));
+                return;
+            }
+            callback(err, result);
+        });
+    }
+}
+exports.EvalOperation = EvalOperation;
+//# sourceMappingURL=eval.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/eval.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/eval.js.map
new file mode 100644
index 000000000..de1692de4
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/eval.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/execute_operation.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/execute_operation.js
new file mode 100644
index 000000000..e9a242715
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/execute_operation.js
@@ -0,0 +1,185 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.executeOperation = void 0;
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const server_selection_1 = require("../sdam/server_selection");
+const utils_1 = require("../utils");
+const operation_1 = require("./operation");
+const MMAPv1_RETRY_WRITES_ERROR_CODE = error_1.MONGODB_ERROR_CODES.IllegalOperation;
+const MMAPv1_RETRY_WRITES_ERROR_MESSAGE = 'This MongoDB deployment does not support retryable writes. Please add retryWrites=false to your connection string.';
+function executeOperation(client, operation, callback) {
+    if (!(operation instanceof operation_1.AbstractOperation)) {
+        // TODO(NODE-3483): Extend MongoRuntimeError
+        throw new error_1.MongoRuntimeError('This method requires a valid operation instance');
+    }
+    return (0, utils_1.maybePromise)(callback, callback => {
+        const topology = client.topology;
+        if (topology == null) {
+            if (client.s.hasBeenClosed) {
+                return callback(new error_1.MongoNotConnectedError('Client must be connected before running operations'));
+            }
+            client.s.options[Symbol.for('@@mdb.skipPingOnConnect')] = true;
+            return client.connect(error => {
+                delete client.s.options[Symbol.for('@@mdb.skipPingOnConnect')];
+                if (error) {
+                    return callback(error);
+                }
+                return executeOperation(client, operation, callback);
+            });
+        }
+        if (topology.shouldCheckForSessionSupport()) {
+            return topology.selectServer(read_preference_1.ReadPreference.primaryPreferred, {}, err => {
+                if (err)
+                    return callback(err);
+                executeOperation(client, operation, callback);
+            });
+        }
+        // The driver sessions spec mandates that we implicitly create sessions for operations
+        // that are not explicitly provided with a session.
+        let session = operation.session;
+        let owner;
+        if (topology.hasSessionSupport()) {
+            if (session == null) {
+                owner = Symbol();
+                session = client.startSession({ owner, explicit: false });
+            }
+            else if (session.hasEnded) {
+                return callback(new error_1.MongoExpiredSessionError('Use of expired sessions is not permitted'));
+            }
+            else if (session.snapshotEnabled && !topology.capabilities.supportsSnapshotReads) {
+                return callback(new error_1.MongoCompatibilityError('Snapshot reads require MongoDB 5.0 or later'));
+            }
+        }
+        else {
+            // no session support
+            if (session && session.explicit) {
+                // If the user passed an explicit session and we are still, after server selection,
+                // trying to run against a topology that doesn't support sessions we error out.
+                return callback(new error_1.MongoCompatibilityError('Current topology does not support sessions'));
+            }
+            else if (session && !session.explicit) {
+                // We do not have to worry about ending the session because the server session has not been acquired yet
+                delete operation.options.session;
+                operation.clearSession();
+                session = undefined;
+            }
+        }
+        try {
+            executeWithServerSelection(topology, session, operation, (error, result) => {
+                if ((session === null || session === void 0 ? void 0 : session.owner) != null && session.owner === owner) {
+                    return session.endSession(endSessionError => callback(endSessionError !== null && endSessionError !== void 0 ? endSessionError : error, result));
+                }
+                callback(error, result);
+            });
+        }
+        catch (error) {
+            if ((session === null || session === void 0 ? void 0 : session.owner) != null && session.owner === owner) {
+                session.endSession().catch(() => null);
+            }
+            throw error;
+        }
+    });
+}
+exports.executeOperation = executeOperation;
+function executeWithServerSelection(topology, session, operation, callback) {
+    var _a, _b;
+    const readPreference = (_a = operation.readPreference) !== null && _a !== void 0 ? _a : read_preference_1.ReadPreference.primary;
+    const inTransaction = !!(session === null || session === void 0 ? void 0 : session.inTransaction());
+    if (inTransaction && !readPreference.equals(read_preference_1.ReadPreference.primary)) {
+        return callback(new error_1.MongoTransactionError(`Read preference in a transaction must be primary, not: ${readPreference.mode}`));
+    }
+    if ((session === null || session === void 0 ? void 0 : session.isPinned) && session.transaction.isCommitted && !operation.bypassPinningCheck) {
+        session.unpin();
+    }
+    let selector;
+    if (operation.hasAspect(operation_1.Aspect.MUST_SELECT_SAME_SERVER)) {
+        // GetMore and KillCursor operations must always select the same server, but run through
+        // server selection to potentially force monitor checks if the server is
+        // in an unknown state.
+        selector = (0, server_selection_1.sameServerSelector)((_b = operation.server) === null || _b === void 0 ? void 0 : _b.description);
+    }
+    else if (operation.trySecondaryWrite) {
+        // If operation should try to write to secondary use the custom server selector
+        // otherwise provide the read preference.
+        selector = (0, server_selection_1.secondaryWritableServerSelector)(topology.commonWireVersion, readPreference);
+    }
+    else {
+        selector = readPreference;
+    }
+    const serverSelectionOptions = { session };
+    function retryOperation(originalError) {
+        const isWriteOperation = operation.hasAspect(operation_1.Aspect.WRITE_OPERATION);
+        const isReadOperation = operation.hasAspect(operation_1.Aspect.READ_OPERATION);
+        if (isWriteOperation && originalError.code === MMAPv1_RETRY_WRITES_ERROR_CODE) {
+            return callback(new error_1.MongoServerError({
+                message: MMAPv1_RETRY_WRITES_ERROR_MESSAGE,
+                errmsg: MMAPv1_RETRY_WRITES_ERROR_MESSAGE,
+                originalError
+            }));
+        }
+        if (isWriteOperation && !(0, error_1.isRetryableWriteError)(originalError)) {
+            return callback(originalError);
+        }
+        if (isReadOperation && !(0, error_1.isRetryableReadError)(originalError)) {
+            return callback(originalError);
+        }
+        if (originalError instanceof error_1.MongoNetworkError &&
+            (session === null || session === void 0 ? void 0 : session.isPinned) &&
+            !session.inTransaction() &&
+            operation.hasAspect(operation_1.Aspect.CURSOR_CREATING)) {
+            // If we have a cursor and the initial command fails with a network error,
+            // we can retry it on another connection. So we need to check it back in, clear the
+            // pool for the service id, and retry again.
+            session.unpin({ force: true, forceClear: true });
+        }
+        // select a new server, and attempt to retry the operation
+        topology.selectServer(selector, serverSelectionOptions, (error, server) => {
+            if (!error && isWriteOperation && !(0, utils_1.supportsRetryableWrites)(server)) {
+                return callback(new error_1.MongoUnexpectedServerResponseError('Selected server does not support retryable writes'));
+            }
+            if (error || !server) {
+                return callback(error !== null && error !== void 0 ? error : new error_1.MongoUnexpectedServerResponseError('Server selection failed without error'));
+            }
+            operation.execute(server, session, callback);
+        });
+    }
+    if (readPreference &&
+        !readPreference.equals(read_preference_1.ReadPreference.primary) &&
+        (session === null || session === void 0 ? void 0 : session.inTransaction())) {
+        callback(new error_1.MongoTransactionError(`Read preference in a transaction must be primary, not: ${readPreference.mode}`));
+        return;
+    }
+    // select a server, and execute the operation against it
+    topology.selectServer(selector, serverSelectionOptions, (error, server) => {
+        if (error || !server) {
+            return callback(error);
+        }
+        if (session && operation.hasAspect(operation_1.Aspect.RETRYABLE)) {
+            const willRetryRead = topology.s.options.retryReads && !inTransaction && operation.canRetryRead;
+            const willRetryWrite = topology.s.options.retryWrites &&
+                !inTransaction &&
+                (0, utils_1.supportsRetryableWrites)(server) &&
+                operation.canRetryWrite;
+            const hasReadAspect = operation.hasAspect(operation_1.Aspect.READ_OPERATION);
+            const hasWriteAspect = operation.hasAspect(operation_1.Aspect.WRITE_OPERATION);
+            if ((hasReadAspect && willRetryRead) || (hasWriteAspect && willRetryWrite)) {
+                if (hasWriteAspect && willRetryWrite) {
+                    operation.options.willRetryWrite = true;
+                    session.incrementTransactionNumber();
+                }
+                return operation.execute(server, session, (error, result) => {
+                    if (error instanceof error_1.MongoError) {
+                        return retryOperation(error);
+                    }
+                    else if (error) {
+                        return callback(error);
+                    }
+                    callback(undefined, result);
+                });
+            }
+        }
+        return operation.execute(server, session, callback);
+    });
+}
+//# sourceMappingURL=execute_operation.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/execute_operation.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/execute_operation.js.map
new file mode 100644
index 000000000..cf63e23f8
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/execute_operation.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/find.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/find.js
new file mode 100644
index 000000000..ca1b1273e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/find.js
@@ -0,0 +1,165 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.FindOperation = void 0;
+const error_1 = require("../error");
+const read_concern_1 = require("../read_concern");
+const sort_1 = require("../sort");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+const SUPPORTS_WRITE_CONCERN_AND_COLLATION = 5;
+/** @internal */
+class FindOperation extends command_1.CommandOperation {
+    constructor(collection, ns, filter = {}, options = {}) {
+        super(collection, options);
+        this.options = options;
+        this.ns = ns;
+        if (typeof filter !== 'object' || Array.isArray(filter)) {
+            throw new error_1.MongoInvalidArgumentError('Query filter must be a plain object or ObjectId');
+        }
+        // If the filter is a buffer, validate that is a valid BSON document
+        if (Buffer.isBuffer(filter)) {
+            const objectSize = filter[0] | (filter[1] << 8) | (filter[2] << 16) | (filter[3] << 24);
+            if (objectSize !== filter.length) {
+                throw new error_1.MongoInvalidArgumentError(`Query filter raw message size does not match message header size [${filter.length}] != [${objectSize}]`);
+            }
+        }
+        // special case passing in an ObjectId as a filter
+        this.filter = filter != null && filter._bsontype === 'ObjectID' ? { _id: filter } : filter;
+    }
+    execute(server, session, callback) {
+        this.server = server;
+        const serverWireVersion = (0, utils_1.maxWireVersion)(server);
+        const options = this.options;
+        if (options.allowDiskUse != null && serverWireVersion < 4) {
+            callback(new error_1.MongoCompatibilityError('Option "allowDiskUse" is not supported on MongoDB < 3.2'));
+            return;
+        }
+        if (options.collation && serverWireVersion < SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name}, which reports wire version ${serverWireVersion}, does not support collation`));
+            return;
+        }
+        let findCommand = makeFindCommand(this.ns, this.filter, options);
+        if (this.explain) {
+            findCommand = (0, utils_1.decorateWithExplain)(findCommand, this.explain);
+        }
+        server.command(this.ns, findCommand, {
+            ...this.options,
+            ...this.bsonOptions,
+            documentsReturnedIn: 'firstBatch',
+            session
+        }, callback);
+    }
+}
+exports.FindOperation = FindOperation;
+function makeFindCommand(ns, filter, options) {
+    const findCommand = {
+        find: ns.collection,
+        filter
+    };
+    if (options.sort) {
+        findCommand.sort = (0, sort_1.formatSort)(options.sort);
+    }
+    if (options.projection) {
+        let projection = options.projection;
+        if (projection && Array.isArray(projection)) {
+            projection = projection.length
+                ? projection.reduce((result, field) => {
+                    result[field] = 1;
+                    return result;
+                }, {})
+                : { _id: 1 };
+        }
+        findCommand.projection = projection;
+    }
+    if (options.hint) {
+        findCommand.hint = (0, utils_1.normalizeHintField)(options.hint);
+    }
+    if (typeof options.skip === 'number') {
+        findCommand.skip = options.skip;
+    }
+    if (typeof options.limit === 'number') {
+        if (options.limit < 0) {
+            findCommand.limit = -options.limit;
+            findCommand.singleBatch = true;
+        }
+        else {
+            findCommand.limit = options.limit;
+        }
+    }
+    if (typeof options.batchSize === 'number') {
+        if (options.batchSize < 0) {
+            if (options.limit &&
+                options.limit !== 0 &&
+                Math.abs(options.batchSize) < Math.abs(options.limit)) {
+                findCommand.limit = -options.batchSize;
+            }
+            findCommand.singleBatch = true;
+        }
+        else {
+            findCommand.batchSize = options.batchSize;
+        }
+    }
+    if (typeof options.singleBatch === 'boolean') {
+        findCommand.singleBatch = options.singleBatch;
+    }
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+        findCommand.comment = options.comment;
+    }
+    if (typeof options.maxTimeMS === 'number') {
+        findCommand.maxTimeMS = options.maxTimeMS;
+    }
+    const readConcern = read_concern_1.ReadConcern.fromOptions(options);
+    if (readConcern) {
+        findCommand.readConcern = readConcern.toJSON();
+    }
+    if (options.max) {
+        findCommand.max = options.max;
+    }
+    if (options.min) {
+        findCommand.min = options.min;
+    }
+    if (typeof options.returnKey === 'boolean') {
+        findCommand.returnKey = options.returnKey;
+    }
+    if (typeof options.showRecordId === 'boolean') {
+        findCommand.showRecordId = options.showRecordId;
+    }
+    if (typeof options.tailable === 'boolean') {
+        findCommand.tailable = options.tailable;
+    }
+    if (typeof options.oplogReplay === 'boolean') {
+        findCommand.oplogReplay = options.oplogReplay;
+    }
+    if (typeof options.timeout === 'boolean') {
+        findCommand.noCursorTimeout = !options.timeout;
+    }
+    else if (typeof options.noCursorTimeout === 'boolean') {
+        findCommand.noCursorTimeout = options.noCursorTimeout;
+    }
+    if (typeof options.awaitData === 'boolean') {
+        findCommand.awaitData = options.awaitData;
+    }
+    if (typeof options.allowPartialResults === 'boolean') {
+        findCommand.allowPartialResults = options.allowPartialResults;
+    }
+    if (options.collation) {
+        findCommand.collation = options.collation;
+    }
+    if (typeof options.allowDiskUse === 'boolean') {
+        findCommand.allowDiskUse = options.allowDiskUse;
+    }
+    if (options.let) {
+        findCommand.let = options.let;
+    }
+    return findCommand;
+}
+(0, operation_1.defineAspects)(FindOperation, [
+    operation_1.Aspect.READ_OPERATION,
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.EXPLAINABLE,
+    operation_1.Aspect.CURSOR_CREATING
+]);
+//# sourceMappingURL=find.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/find.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/find.js.map
new file mode 100644
index 000000000..b497fde76
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/find.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/find_and_modify.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/find_and_modify.js
new file mode 100644
index 000000000..525bdc692
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/find_and_modify.js
@@ -0,0 +1,156 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.FindOneAndUpdateOperation = exports.FindOneAndReplaceOperation = exports.FindOneAndDeleteOperation = exports.ReturnDocument = void 0;
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const sort_1 = require("../sort");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @public */
+exports.ReturnDocument = Object.freeze({
+    BEFORE: 'before',
+    AFTER: 'after'
+});
+function configureFindAndModifyCmdBaseUpdateOpts(cmdBase, options) {
+    cmdBase.new = options.returnDocument === exports.ReturnDocument.AFTER;
+    cmdBase.upsert = options.upsert === true;
+    if (options.bypassDocumentValidation === true) {
+        cmdBase.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+    return cmdBase;
+}
+/** @internal */
+class FindAndModifyOperation extends command_1.CommandOperation {
+    constructor(collection, query, options) {
+        super(collection, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.cmdBase = {
+            remove: false,
+            new: false,
+            upsert: false
+        };
+        const sort = (0, sort_1.formatSort)(options.sort);
+        if (sort) {
+            this.cmdBase.sort = sort;
+        }
+        if (options.projection) {
+            this.cmdBase.fields = options.projection;
+        }
+        if (options.maxTimeMS) {
+            this.cmdBase.maxTimeMS = options.maxTimeMS;
+        }
+        // Decorate the findAndModify command with the write Concern
+        if (options.writeConcern) {
+            this.cmdBase.writeConcern = options.writeConcern;
+        }
+        if (options.let) {
+            this.cmdBase.let = options.let;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (options.comment !== undefined) {
+            this.cmdBase.comment = options.comment;
+        }
+        // force primary read preference
+        this.readPreference = read_preference_1.ReadPreference.primary;
+        this.collection = collection;
+        this.query = query;
+    }
+    execute(server, session, callback) {
+        var _a;
+        const coll = this.collection;
+        const query = this.query;
+        const options = { ...this.options, ...this.bsonOptions };
+        // Create findAndModify command object
+        const cmd = {
+            findAndModify: coll.collectionName,
+            query: query,
+            ...this.cmdBase
+        };
+        // Have we specified collation
+        try {
+            (0, utils_1.decorateWithCollation)(cmd, coll, options);
+        }
+        catch (err) {
+            return callback(err);
+        }
+        if (options.hint) {
+            // TODO: once this method becomes a CommandOperation we will have the server
+            // in place to check.
+            const unacknowledgedWrite = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) === 0;
+            if (unacknowledgedWrite || (0, utils_1.maxWireVersion)(server) < 8) {
+                callback(new error_1.MongoCompatibilityError('The current topology does not support a hint on findAndModify commands'));
+                return;
+            }
+            cmd.hint = options.hint;
+        }
+        if (this.explain && (0, utils_1.maxWireVersion)(server) < 4) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name} does not support explain on findAndModify`));
+            return;
+        }
+        // Execute the command
+        super.executeCommand(server, session, cmd, (err, result) => {
+            if (err)
+                return callback(err);
+            return callback(undefined, result);
+        });
+    }
+}
+/** @internal */
+class FindOneAndDeleteOperation extends FindAndModifyOperation {
+    constructor(collection, filter, options) {
+        // Basic validation
+        if (filter == null || typeof filter !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Argument "filter" must be an object');
+        }
+        super(collection, filter, options);
+        this.cmdBase.remove = true;
+    }
+}
+exports.FindOneAndDeleteOperation = FindOneAndDeleteOperation;
+/** @internal */
+class FindOneAndReplaceOperation extends FindAndModifyOperation {
+    constructor(collection, filter, replacement, options) {
+        if (filter == null || typeof filter !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Argument "filter" must be an object');
+        }
+        if (replacement == null || typeof replacement !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Argument "replacement" must be an object');
+        }
+        if ((0, utils_1.hasAtomicOperators)(replacement)) {
+            throw new error_1.MongoInvalidArgumentError('Replacement document must not contain atomic operators');
+        }
+        super(collection, filter, options);
+        this.cmdBase.update = replacement;
+        configureFindAndModifyCmdBaseUpdateOpts(this.cmdBase, options);
+    }
+}
+exports.FindOneAndReplaceOperation = FindOneAndReplaceOperation;
+/** @internal */
+class FindOneAndUpdateOperation extends FindAndModifyOperation {
+    constructor(collection, filter, update, options) {
+        if (filter == null || typeof filter !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Argument "filter" must be an object');
+        }
+        if (update == null || typeof update !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('Argument "update" must be an object');
+        }
+        if (!(0, utils_1.hasAtomicOperators)(update)) {
+            throw new error_1.MongoInvalidArgumentError('Update document requires atomic operators');
+        }
+        super(collection, filter, options);
+        this.cmdBase.update = update;
+        configureFindAndModifyCmdBaseUpdateOpts(this.cmdBase, options);
+        if (options.arrayFilters) {
+            this.cmdBase.arrayFilters = options.arrayFilters;
+        }
+    }
+}
+exports.FindOneAndUpdateOperation = FindOneAndUpdateOperation;
+(0, operation_1.defineAspects)(FindAndModifyOperation, [
+    operation_1.Aspect.WRITE_OPERATION,
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.EXPLAINABLE
+]);
+//# sourceMappingURL=find_and_modify.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/find_and_modify.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/find_and_modify.js.map
new file mode 100644
index 000000000..2d6262aff
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/find_and_modify.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/get_more.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/get_more.js
new file mode 100644
index 000000000..94ba64ed9
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/get_more.js
@@ -0,0 +1,58 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.GetMoreOperation = void 0;
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const operation_1 = require("./operation");
+/** @internal */
+class GetMoreOperation extends operation_1.AbstractOperation {
+    constructor(ns, cursorId, server, options) {
+        super(options);
+        this.options = options;
+        this.ns = ns;
+        this.cursorId = cursorId;
+        this.server = server;
+    }
+    /**
+     * Although there is a server already associated with the get more operation, the signature
+     * for execute passes a server so we will just use that one.
+     */
+    execute(server, session, callback) {
+        if (server !== this.server) {
+            return callback(new error_1.MongoRuntimeError('Getmore must run on the same server operation began on'));
+        }
+        if (this.cursorId == null || this.cursorId.isZero()) {
+            return callback(new error_1.MongoRuntimeError('Unable to iterate cursor with no id'));
+        }
+        const collection = this.ns.collection;
+        if (collection == null) {
+            // Cursors should have adopted the namespace returned by MongoDB
+            // which should always defined a collection name (even a pseudo one, ex. db.aggregate())
+            return callback(new error_1.MongoRuntimeError('A collection name must be determined before getMore'));
+        }
+        const getMoreCmd = {
+            getMore: this.cursorId,
+            collection
+        };
+        if (typeof this.options.batchSize === 'number') {
+            getMoreCmd.batchSize = Math.abs(this.options.batchSize);
+        }
+        if (typeof this.options.maxAwaitTimeMS === 'number') {
+            getMoreCmd.maxTimeMS = this.options.maxAwaitTimeMS;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (this.options.comment !== undefined && (0, utils_1.maxWireVersion)(server) >= 9) {
+            getMoreCmd.comment = this.options.comment;
+        }
+        const commandOptions = {
+            returnFieldSelector: null,
+            documentsReturnedIn: 'nextBatch',
+            ...this.options
+        };
+        server.command(this.ns, getMoreCmd, commandOptions, callback);
+    }
+}
+exports.GetMoreOperation = GetMoreOperation;
+(0, operation_1.defineAspects)(GetMoreOperation, [operation_1.Aspect.READ_OPERATION, operation_1.Aspect.MUST_SELECT_SAME_SERVER]);
+//# sourceMappingURL=get_more.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/get_more.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/get_more.js.map
new file mode 100644
index 000000000..3803d986f
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/get_more.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"get_more.js","sourceRoot":"","sources":["../../src/operations/get_more.ts"],"names":[],"mappings":";;;AACA,oCAA6C;AAG7C,oCAAsE;AACtE,2CAAyF;AA+BzF,gBAAgB;AAChB,MAAa,gBAAiB,SAAQ,6BAAiB;IAIrD,YAAY,EAAoB,EAAE,QAAc,EAAE,MAAc,EAAE,OAAuB;QACvF,KAAK,CAAC,OAAO,CAAC,CAAC;QAEf,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;IACvB,CAAC;IAED;;;OAGG;IACM,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;QAE5B,IAAI,MAAM,KAAK,IAAI,CAAC,MAAM,EAAE;YAC1B,OAAO,QAAQ,CACb,IAAI,yBAAiB,CAAC,wDAAwD,CAAC,CAChF,CAAC;SACH;QAED,IAAI,IAAI,CAAC,QAAQ,IAAI,IAAI,IAAI,IAAI,CAAC,QAAQ,CAAC,MAAM,EAAE,EAAE;YACnD,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,qCAAqC,CAAC,CAAC,CAAC;SAC/E;QAED,MAAM,UAAU,GAAG,IAAI,CAAC,EAAE,CAAC,UAAU,CAAC;QACtC,IAAI,UAAU,IAAI,IAAI,EAAE;YACtB,gEAAgE;YAChE,wFAAwF;YACxF,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,qDAAqD,CAAC,CAAC,CAAC;SAC/F;QAED,MAAM,UAAU,GAAmB;YACjC,OAAO,EAAE,IAAI,CAAC,QAAQ;YACtB,UAAU;SACX,CAAC;QAEF,IAAI,OAAO,IAAI,CAAC,OAAO,CAAC,SAAS,KAAK,QAAQ,EAAE;YAC9C,UAAU,CAAC,SAAS,GAAG,IAAI,CAAC,GAAG,CAAC,IAAI,CAAC,OAAO,CAAC,SAAS,CAAC,CAAC;SACzD;QAED,IAAI,OAAO,IAAI,CAAC,OAAO,CAAC,cAAc,KAAK,QAAQ,EAAE;YACnD,UAAU,CAAC,SAAS,GAAG,IAAI,CAAC,OAAO,CAAC,cAAc,CAAC;SACpD;QAED,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,IAAI,CAAC,OAAO,CAAC,OAAO,KAAK,SAAS,IAAI,IAAA,sBAAc,EAAC,MAAM,CAAC,IAAI,CAAC,EAAE;YACrE,UAAU,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC,OAAO,CAAC;SAC3C;QAED,MAAM,cAAc,GAAG;YACrB,mBAAmB,EAAE,IAAI;YACzB,mBAAmB,EAAE,WAAW;YAChC,GAAG,IAAI,CAAC,OAAO;SAChB,CAAC;QAEF,MAAM,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE,EAAE,UAAU,EAAE,cAAc,EAAE,QAAQ,CAAC,CAAC;IAChE,CAAC;CACF;AAlED,4CAkEC;AAED,IAAA,yBAAa,EAAC,gBAAgB,EAAE,CAAC,kBAAM,CAAC,cAAc,EAAE,kBAAM,CAAC,uBAAuB,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/indexes.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/indexes.js
new file mode 100644
index 000000000..d17ba2b9a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/indexes.js
@@ -0,0 +1,270 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.IndexInformationOperation = exports.IndexExistsOperation = exports.ListIndexesOperation = exports.DropIndexesOperation = exports.DropIndexOperation = exports.EnsureIndexOperation = exports.CreateIndexOperation = exports.CreateIndexesOperation = exports.IndexesOperation = void 0;
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const common_functions_1 = require("./common_functions");
+const operation_1 = require("./operation");
+const VALID_INDEX_OPTIONS = new Set([
+    'background',
+    'unique',
+    'name',
+    'partialFilterExpression',
+    'sparse',
+    'hidden',
+    'expireAfterSeconds',
+    'storageEngine',
+    'collation',
+    'version',
+    // text indexes
+    'weights',
+    'default_language',
+    'language_override',
+    'textIndexVersion',
+    // 2d-sphere indexes
+    '2dsphereIndexVersion',
+    // 2d indexes
+    'bits',
+    'min',
+    'max',
+    // geoHaystack Indexes
+    'bucketSize',
+    // wildcard indexes
+    'wildcardProjection'
+]);
+function isIndexDirection(x) {
+    return (typeof x === 'number' || x === '2d' || x === '2dsphere' || x === 'text' || x === 'geoHaystack');
+}
+function isSingleIndexTuple(t) {
+    return Array.isArray(t) && t.length === 2 && isIndexDirection(t[1]);
+}
+function makeIndexSpec(indexSpec, options) {
+    var _a;
+    const key = new Map();
+    const indexSpecs = !Array.isArray(indexSpec) || isSingleIndexTuple(indexSpec) ? [indexSpec] : indexSpec;
+    // Iterate through array and handle different types
+    for (const spec of indexSpecs) {
+        if (typeof spec === 'string') {
+            key.set(spec, 1);
+        }
+        else if (Array.isArray(spec)) {
+            key.set(spec[0], (_a = spec[1]) !== null && _a !== void 0 ? _a : 1);
+        }
+        else if (spec instanceof Map) {
+            for (const [property, value] of spec) {
+                key.set(property, value);
+            }
+        }
+        else if ((0, utils_1.isObject)(spec)) {
+            for (const [property, value] of Object.entries(spec)) {
+                key.set(property, value);
+            }
+        }
+    }
+    return { ...options, key };
+}
+/** @internal */
+class IndexesOperation extends operation_1.AbstractOperation {
+    constructor(collection, options) {
+        super(options);
+        this.options = options;
+        this.collection = collection;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        const options = this.options;
+        (0, common_functions_1.indexInformation)(coll.s.db, coll.collectionName, { full: true, ...options, readPreference: this.readPreference, session }, callback);
+    }
+}
+exports.IndexesOperation = IndexesOperation;
+/** @internal */
+class CreateIndexesOperation extends command_1.CommandOperation {
+    constructor(parent, collectionName, indexes, options) {
+        super(parent, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.collectionName = collectionName;
+        this.indexes = indexes.map(userIndex => {
+            // Ensure the key is a Map to preserve index key ordering
+            const key = userIndex.key instanceof Map ? userIndex.key : new Map(Object.entries(userIndex.key));
+            const name = userIndex.name != null ? userIndex.name : Array.from(key).flat().join('_');
+            const validIndexOptions = Object.fromEntries(Object.entries({ ...userIndex }).filter(([optionName]) => VALID_INDEX_OPTIONS.has(optionName)));
+            return {
+                ...validIndexOptions,
+                name,
+                key
+            };
+        });
+    }
+    execute(server, session, callback) {
+        const options = this.options;
+        const indexes = this.indexes;
+        const serverWireVersion = (0, utils_1.maxWireVersion)(server);
+        const cmd = { createIndexes: this.collectionName, indexes };
+        if (options.commitQuorum != null) {
+            if (serverWireVersion < 9) {
+                callback(new error_1.MongoCompatibilityError('Option `commitQuorum` for `createIndexes` not supported on servers < 4.4'));
+                return;
+            }
+            cmd.commitQuorum = options.commitQuorum;
+        }
+        // collation is set on each index, it should not be defined at the root
+        this.options.collation = undefined;
+        super.executeCommand(server, session, cmd, err => {
+            if (err) {
+                callback(err);
+                return;
+            }
+            const indexNames = indexes.map(index => index.name || '');
+            callback(undefined, indexNames);
+        });
+    }
+}
+exports.CreateIndexesOperation = CreateIndexesOperation;
+/** @internal */
+class CreateIndexOperation extends CreateIndexesOperation {
+    constructor(parent, collectionName, indexSpec, options) {
+        super(parent, collectionName, [makeIndexSpec(indexSpec, options)], options);
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, indexNames) => {
+            if (err || !indexNames)
+                return callback(err);
+            return callback(undefined, indexNames[0]);
+        });
+    }
+}
+exports.CreateIndexOperation = CreateIndexOperation;
+/** @internal */
+class EnsureIndexOperation extends CreateIndexOperation {
+    constructor(db, collectionName, indexSpec, options) {
+        super(db, collectionName, indexSpec, options);
+        this.readPreference = read_preference_1.ReadPreference.primary;
+        this.db = db;
+        this.collectionName = collectionName;
+    }
+    execute(server, session, callback) {
+        const indexName = this.indexes[0].name;
+        const cursor = this.db.collection(this.collectionName).listIndexes({ session });
+        cursor.toArray((err, indexes) => {
+            /// ignore "NamespaceNotFound" errors
+            if (err && err.code !== error_1.MONGODB_ERROR_CODES.NamespaceNotFound) {
+                return callback(err);
+            }
+            if (indexes) {
+                indexes = Array.isArray(indexes) ? indexes : [indexes];
+                if (indexes.some(index => index.name === indexName)) {
+                    callback(undefined, indexName);
+                    return;
+                }
+            }
+            super.execute(server, session, callback);
+        });
+    }
+}
+exports.EnsureIndexOperation = EnsureIndexOperation;
+/** @internal */
+class DropIndexOperation extends command_1.CommandOperation {
+    constructor(collection, indexName, options) {
+        super(collection, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.collection = collection;
+        this.indexName = indexName;
+    }
+    execute(server, session, callback) {
+        const cmd = { dropIndexes: this.collection.collectionName, index: this.indexName };
+        super.executeCommand(server, session, cmd, callback);
+    }
+}
+exports.DropIndexOperation = DropIndexOperation;
+/** @internal */
+class DropIndexesOperation extends DropIndexOperation {
+    constructor(collection, options) {
+        super(collection, '*', options);
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, err => {
+            if (err)
+                return callback(err, false);
+            callback(undefined, true);
+        });
+    }
+}
+exports.DropIndexesOperation = DropIndexesOperation;
+/** @internal */
+class ListIndexesOperation extends command_1.CommandOperation {
+    constructor(collection, options) {
+        super(collection, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.collectionNamespace = collection.s.namespace;
+    }
+    execute(server, session, callback) {
+        const serverWireVersion = (0, utils_1.maxWireVersion)(server);
+        const cursor = this.options.batchSize ? { batchSize: this.options.batchSize } : {};
+        const command = { listIndexes: this.collectionNamespace.collection, cursor };
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (serverWireVersion >= 9 && this.options.comment !== undefined) {
+            command.comment = this.options.comment;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.ListIndexesOperation = ListIndexesOperation;
+/** @internal */
+class IndexExistsOperation extends operation_1.AbstractOperation {
+    constructor(collection, indexes, options) {
+        super(options);
+        this.options = options;
+        this.collection = collection;
+        this.indexes = indexes;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        const indexes = this.indexes;
+        (0, common_functions_1.indexInformation)(coll.s.db, coll.collectionName, { ...this.options, readPreference: this.readPreference, session }, (err, indexInformation) => {
+            // If we have an error return
+            if (err != null)
+                return callback(err);
+            // Let's check for the index names
+            if (!Array.isArray(indexes))
+                return callback(undefined, indexInformation[indexes] != null);
+            // Check in list of indexes
+            for (let i = 0; i < indexes.length; i++) {
+                if (indexInformation[indexes[i]] == null) {
+                    return callback(undefined, false);
+                }
+            }
+            // All keys found return true
+            return callback(undefined, true);
+        });
+    }
+}
+exports.IndexExistsOperation = IndexExistsOperation;
+/** @internal */
+class IndexInformationOperation extends operation_1.AbstractOperation {
+    constructor(db, name, options) {
+        super(options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.db = db;
+        this.name = name;
+    }
+    execute(server, session, callback) {
+        const db = this.db;
+        const name = this.name;
+        (0, common_functions_1.indexInformation)(db, name, { ...this.options, readPreference: this.readPreference, session }, callback);
+    }
+}
+exports.IndexInformationOperation = IndexInformationOperation;
+(0, operation_1.defineAspects)(ListIndexesOperation, [
+    operation_1.Aspect.READ_OPERATION,
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.CURSOR_CREATING
+]);
+(0, operation_1.defineAspects)(CreateIndexesOperation, [operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(CreateIndexOperation, [operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(EnsureIndexOperation, [operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(DropIndexOperation, [operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(DropIndexesOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=indexes.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/indexes.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/indexes.js.map
new file mode 100644
index 000000000..6dfc339f5
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/indexes.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/insert.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/insert.js
new file mode 100644
index 000000000..aa617b487
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/insert.js
@@ -0,0 +1,99 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.InsertManyOperation = exports.InsertOneOperation = exports.InsertOperation = void 0;
+const error_1 = require("../error");
+const write_concern_1 = require("../write_concern");
+const bulk_write_1 = require("./bulk_write");
+const command_1 = require("./command");
+const common_functions_1 = require("./common_functions");
+const operation_1 = require("./operation");
+/** @internal */
+class InsertOperation extends command_1.CommandOperation {
+    constructor(ns, documents, options) {
+        var _a;
+        super(undefined, options);
+        this.options = { ...options, checkKeys: (_a = options.checkKeys) !== null && _a !== void 0 ? _a : false };
+        this.ns = ns;
+        this.documents = documents;
+    }
+    execute(server, session, callback) {
+        var _a;
+        const options = (_a = this.options) !== null && _a !== void 0 ? _a : {};
+        const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+        const command = {
+            insert: this.ns.collection,
+            documents: this.documents,
+            ordered
+        };
+        if (typeof options.bypassDocumentValidation === 'boolean') {
+            command.bypassDocumentValidation = options.bypassDocumentValidation;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (options.comment !== undefined) {
+            command.comment = options.comment;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.InsertOperation = InsertOperation;
+class InsertOneOperation extends InsertOperation {
+    constructor(collection, doc, options) {
+        super(collection.s.namespace, (0, common_functions_1.prepareDocs)(collection, [doc], options), options);
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, res) => {
+            var _a, _b;
+            if (err || res == null)
+                return callback(err);
+            if (res.code)
+                return callback(new error_1.MongoServerError(res));
+            if (res.writeErrors) {
+                // This should be a WriteError but we can't change it now because of error hierarchy
+                return callback(new error_1.MongoServerError(res.writeErrors[0]));
+            }
+            callback(undefined, {
+                acknowledged: (_b = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) !== 0) !== null && _b !== void 0 ? _b : true,
+                insertedId: this.documents[0]._id
+            });
+        });
+    }
+}
+exports.InsertOneOperation = InsertOneOperation;
+/** @internal */
+class InsertManyOperation extends operation_1.AbstractOperation {
+    constructor(collection, docs, options) {
+        super(options);
+        if (!Array.isArray(docs)) {
+            throw new error_1.MongoInvalidArgumentError('Argument "docs" must be an array of documents');
+        }
+        this.options = options;
+        this.collection = collection;
+        this.docs = docs;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        const options = { ...this.options, ...this.bsonOptions, readPreference: this.readPreference };
+        const writeConcern = write_concern_1.WriteConcern.fromOptions(options);
+        const bulkWriteOperation = new bulk_write_1.BulkWriteOperation(coll, (0, common_functions_1.prepareDocs)(coll, this.docs, options).map(document => ({ insertOne: { document } })), options);
+        bulkWriteOperation.execute(server, session, (err, res) => {
+            var _a;
+            if (err || res == null) {
+                if (err && err.message === 'Operation must be an object with an operation key') {
+                    err = new error_1.MongoInvalidArgumentError('Collection.insertMany() cannot be called with an array that has null/undefined values');
+                }
+                return callback(err);
+            }
+            callback(undefined, {
+                acknowledged: (_a = (writeConcern === null || writeConcern === void 0 ? void 0 : writeConcern.w) !== 0) !== null && _a !== void 0 ? _a : true,
+                insertedCount: res.insertedCount,
+                insertedIds: res.insertedIds
+            });
+        });
+    }
+}
+exports.InsertManyOperation = InsertManyOperation;
+(0, operation_1.defineAspects)(InsertOperation, [operation_1.Aspect.RETRYABLE, operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(InsertOneOperation, [operation_1.Aspect.RETRYABLE, operation_1.Aspect.WRITE_OPERATION]);
+(0, operation_1.defineAspects)(InsertManyOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=insert.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/insert.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/insert.js.map
new file mode 100644
index 000000000..67a93dde3
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/insert.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"insert.js","sourceRoot":"","sources":["../../src/operations/insert.ts"],"names":[],"mappings":";;;AAGA,oCAAuE;AAKvE,oDAAgD;AAChD,6CAAkD;AAClD,uCAAsE;AACtE,yDAAiD;AACjD,2CAAuE;AAEvE,gBAAgB;AAChB,MAAa,eAAgB,SAAQ,0BAA0B;IAI7D,YAAY,EAAoB,EAAE,SAAqB,EAAE,OAAyB;;QAChF,KAAK,CAAC,SAAS,EAAE,OAAO,CAAC,CAAC;QAC1B,IAAI,CAAC,OAAO,GAAG,EAAE,GAAG,OAAO,EAAE,SAAS,EAAE,MAAA,OAAO,CAAC,SAAS,mCAAI,KAAK,EAAE,CAAC;QACrE,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,SAAS,GAAG,SAAS,CAAC;IAC7B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;;QAE5B,MAAM,OAAO,GAAG,MAAA,IAAI,CAAC,OAAO,mCAAI,EAAE,CAAC;QACnC,MAAM,OAAO,GAAG,OAAO,OAAO,CAAC,OAAO,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC,CAAC,IAAI,CAAC;QAC9E,MAAM,OAAO,GAAa;YACxB,MAAM,EAAE,IAAI,CAAC,EAAE,CAAC,UAAU;YAC1B,SAAS,EAAE,IAAI,CAAC,SAAS;YACzB,OAAO;SACR,CAAC;QAEF,IAAI,OAAO,OAAO,CAAC,wBAAwB,KAAK,SAAS,EAAE;YACzD,OAAO,CAAC,wBAAwB,GAAG,OAAO,CAAC,wBAAwB,CAAC;SACrE;QAED,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,OAAO,CAAC,OAAO,KAAK,SAAS,EAAE;YACjC,OAAO,CAAC,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;SACnC;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC3D,CAAC;CACF;AApCD,0CAoCC;AAkBD,MAAa,kBAAmB,SAAQ,eAAe;IACrD,YAAY,UAAsB,EAAE,GAAa,EAAE,OAAyB;QAC1E,KAAK,CAAC,UAAU,CAAC,CAAC,CAAC,SAAS,EAAE,IAAA,8BAAW,EAAC,UAAU,EAAE,CAAC,GAAG,CAAC,EAAE,OAAO,CAAC,EAAE,OAAO,CAAC,CAAC;IAClF,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAmC;QAEnC,KAAK,CAAC,OAAO,CAAC,MAAM,EAAE,OAAO,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;;YAC1C,IAAI,GAAG,IAAI,GAAG,IAAI,IAAI;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC7C,IAAI,GAAG,CAAC,IAAI;gBAAE,OAAO,QAAQ,CAAC,IAAI,wBAAgB,CAAC,GAAG,CAAC,CAAC,CAAC;YACzD,IAAI,GAAG,CAAC,WAAW,EAAE;gBACnB,oFAAoF;gBACpF,OAAO,QAAQ,CAAC,IAAI,wBAAgB,CAAC,GAAG,CAAC,WAAW,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;aAC3D;YAED,QAAQ,CAAC,SAAS,EAAE;gBAClB,YAAY,EAAE,MAAA,CAAA,MAAA,IAAI,CAAC,YAAY,0CAAE,CAAC,MAAK,CAAC,mCAAI,IAAI;gBAChD,UAAU,EAAE,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC,GAAG;aAClC,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAxBD,gDAwBC;AAYD,gBAAgB;AAChB,MAAa,mBAAoB,SAAQ,6BAAmC;IAK1E,YAAY,UAAsB,EAAE,IAAgB,EAAE,OAAyB;QAC7E,KAAK,CAAC,OAAO,CAAC,CAAC;QAEf,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE;YACxB,MAAM,IAAI,iCAAyB,CAAC,+CAA+C,CAAC,CAAC;SACtF;QAED,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC;IACnB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAoC;QAEpC,MAAM,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;QAC7B,MAAM,OAAO,GAAG,EAAE,GAAG,IAAI,CAAC,OAAO,EAAE,GAAG,IAAI,CAAC,WAAW,EAAE,cAAc,EAAE,IAAI,CAAC,cAAc,EAAE,CAAC;QAC9F,MAAM,YAAY,GAAG,4BAAY,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;QACvD,MAAM,kBAAkB,GAAG,IAAI,+BAAkB,CAC/C,IAAI,EACJ,IAAA,8BAAW,EAAC,IAAI,EAAE,IAAI,CAAC,IAAI,EAAE,OAAO,CAAC,CAAC,GAAG,CAAC,QAAQ,CAAC,EAAE,CAAC,CAAC,EAAE,SAAS,EAAE,EAAE,QAAQ,EAAE,EAAE,CAAC,CAAC,EACpF,OAAO,CACR,CAAC;QAEF,kBAAkB,CAAC,OAAO,CAAC,MAAM,EAAE,OAAO,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;;YACvD,IAAI,GAAG,IAAI,GAAG,IAAI,IAAI,EAAE;gBACtB,IAAI,GAAG,IAAI,GAAG,CAAC,OAAO,KAAK,mDAAmD,EAAE;oBAC9E,GAAG,GAAG,IAAI,iCAAyB,CACjC,uFAAuF,CACxF,CAAC;iBACH;gBACD,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;aACtB;YACD,QAAQ,CAAC,SAAS,EAAE;gBAClB,YAAY,EAAE,MAAA,CAAA,YAAY,aAAZ,YAAY,uBAAZ,YAAY,CAAE,CAAC,MAAK,CAAC,mCAAI,IAAI;gBAC3C,aAAa,EAAE,GAAG,CAAC,aAAa;gBAChC,WAAW,EAAE,GAAG,CAAC,WAAW;aAC7B,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA/CD,kDA+CC;AAED,IAAA,yBAAa,EAAC,eAAe,EAAE,CAAC,kBAAM,CAAC,SAAS,EAAE,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC;AAC3E,IAAA,yBAAa,EAAC,kBAAkB,EAAE,CAAC,kBAAM,CAAC,SAAS,EAAE,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC;AAC9E,IAAA,yBAAa,EAAC,mBAAmB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/is_capped.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/is_capped.js
new file mode 100644
index 000000000..dd2917a6d
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/is_capped.js
@@ -0,0 +1,30 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.IsCappedOperation = void 0;
+const error_1 = require("../error");
+const operation_1 = require("./operation");
+/** @internal */
+class IsCappedOperation extends operation_1.AbstractOperation {
+    constructor(collection, options) {
+        super(options);
+        this.options = options;
+        this.collection = collection;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        coll.s.db
+            .listCollections({ name: coll.collectionName }, { ...this.options, nameOnly: false, readPreference: this.readPreference, session })
+            .toArray((err, collections) => {
+            if (err || !collections)
+                return callback(err);
+            if (collections.length === 0) {
+                // TODO(NODE-3485)
+                return callback(new error_1.MongoAPIError(`collection ${coll.namespace} not found`));
+            }
+            const collOptions = collections[0].options;
+            callback(undefined, !!(collOptions && collOptions.capped));
+        });
+    }
+}
+exports.IsCappedOperation = IsCappedOperation;
+//# sourceMappingURL=is_capped.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/is_capped.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/is_capped.js.map
new file mode 100644
index 000000000..13a584207
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/is_capped.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"is_capped.js","sourceRoot":"","sources":["../../src/operations/is_capped.ts"],"names":[],"mappings":";;;AACA,oCAAyC;AAIzC,2CAAkE;AAElE,gBAAgB;AAChB,MAAa,iBAAkB,SAAQ,6BAA0B;IAI/D,YAAY,UAAsB,EAAE,OAAyB;QAC3D,KAAK,CAAC,OAAO,CAAC,CAAC;QACf,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;IAC/B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA2B;QAE3B,MAAM,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;QAE7B,IAAI,CAAC,CAAC,CAAC,EAAE;aACN,eAAe,CACd,EAAE,IAAI,EAAE,IAAI,CAAC,cAAc,EAAE,EAC7B,EAAE,GAAG,IAAI,CAAC,OAAO,EAAE,QAAQ,EAAE,KAAK,EAAE,cAAc,EAAE,IAAI,CAAC,cAAc,EAAE,OAAO,EAAE,CACnF;aACA,OAAO,CAAC,CAAC,GAAG,EAAE,WAAW,EAAE,EAAE;YAC5B,IAAI,GAAG,IAAI,CAAC,WAAW;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC9C,IAAI,WAAW,CAAC,MAAM,KAAK,CAAC,EAAE;gBAC5B,kBAAkB;gBAClB,OAAO,QAAQ,CAAC,IAAI,qBAAa,CAAC,cAAc,IAAI,CAAC,SAAS,YAAY,CAAC,CAAC,CAAC;aAC9E;YAED,MAAM,WAAW,GAAG,WAAW,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC;YAC3C,QAAQ,CAAC,SAAS,EAAE,CAAC,CAAC,CAAC,WAAW,IAAI,WAAW,CAAC,MAAM,CAAC,CAAC,CAAC;QAC7D,CAAC,CAAC,CAAC;IACP,CAAC;CACF;AAjCD,8CAiCC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/kill_cursors.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/kill_cursors.js
new file mode 100644
index 000000000..63d6e3e6f
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/kill_cursors.js
@@ -0,0 +1,32 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.KillCursorsOperation = void 0;
+const error_1 = require("../error");
+const operation_1 = require("./operation");
+class KillCursorsOperation extends operation_1.AbstractOperation {
+    constructor(cursorId, ns, server, options) {
+        super(options);
+        this.ns = ns;
+        this.cursorId = cursorId;
+        this.server = server;
+    }
+    execute(server, session, callback) {
+        if (server !== this.server) {
+            return callback(new error_1.MongoRuntimeError('Killcursor must run on the same server operation began on'));
+        }
+        const killCursors = this.ns.collection;
+        if (killCursors == null) {
+            // Cursors should have adopted the namespace returned by MongoDB
+            // which should always defined a collection name (even a pseudo one, ex. db.aggregate())
+            return callback(new error_1.MongoRuntimeError('A collection name must be determined before killCursors'));
+        }
+        const killCursorsCommand = {
+            killCursors,
+            cursors: [this.cursorId]
+        };
+        server.command(this.ns, killCursorsCommand, { session }, () => callback());
+    }
+}
+exports.KillCursorsOperation = KillCursorsOperation;
+(0, operation_1.defineAspects)(KillCursorsOperation, [operation_1.Aspect.MUST_SELECT_SAME_SERVER]);
+//# sourceMappingURL=kill_cursors.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/kill_cursors.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/kill_cursors.js.map
new file mode 100644
index 000000000..022ad6874
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/kill_cursors.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"kill_cursors.js","sourceRoot":"","sources":["../../src/operations/kill_cursors.ts"],"names":[],"mappings":";;;AACA,oCAA6C;AAI7C,2CAAyF;AAYzF,MAAa,oBAAqB,SAAQ,6BAAiB;IAGzD,YAAY,QAAc,EAAE,EAAoB,EAAE,MAAc,EAAE,OAAyB;QACzF,KAAK,CAAC,OAAO,CAAC,CAAC;QACf,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;QACzB,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;IACvB,CAAC;IAED,OAAO,CAAC,MAAc,EAAE,OAAkC,EAAE,QAAwB;QAClF,IAAI,MAAM,KAAK,IAAI,CAAC,MAAM,EAAE;YAC1B,OAAO,QAAQ,CACb,IAAI,yBAAiB,CAAC,2DAA2D,CAAC,CACnF,CAAC;SACH;QAED,MAAM,WAAW,GAAG,IAAI,CAAC,EAAE,CAAC,UAAU,CAAC;QACvC,IAAI,WAAW,IAAI,IAAI,EAAE;YACvB,gEAAgE;YAChE,wFAAwF;YACxF,OAAO,QAAQ,CACb,IAAI,yBAAiB,CAAC,yDAAyD,CAAC,CACjF,CAAC;SACH;QAED,MAAM,kBAAkB,GAAuB;YAC7C,WAAW;YACX,OAAO,EAAE,CAAC,IAAI,CAAC,QAAQ,CAAC;SACzB,CAAC;QAEF,MAAM,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE,EAAE,kBAAkB,EAAE,EAAE,OAAO,EAAE,EAAE,GAAG,EAAE,CAAC,QAAQ,EAAE,CAAC,CAAC;IAC7E,CAAC;CACF;AAjCD,oDAiCC;AAED,IAAA,yBAAa,EAAC,oBAAoB,EAAE,CAAC,kBAAM,CAAC,uBAAuB,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/list_collections.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/list_collections.js
new file mode 100644
index 000000000..4badea166
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/list_collections.js
@@ -0,0 +1,46 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ListCollectionsOperation = void 0;
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class ListCollectionsOperation extends command_1.CommandOperation {
+    constructor(db, filter, options) {
+        super(db, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.db = db;
+        this.filter = filter;
+        this.nameOnly = !!this.options.nameOnly;
+        this.authorizedCollections = !!this.options.authorizedCollections;
+        if (typeof this.options.batchSize === 'number') {
+            this.batchSize = this.options.batchSize;
+        }
+    }
+    execute(server, session, callback) {
+        return super.executeCommand(server, session, this.generateCommand((0, utils_1.maxWireVersion)(server)), callback);
+    }
+    /* This is here for the purpose of unit testing the final command that gets sent. */
+    generateCommand(wireVersion) {
+        const command = {
+            listCollections: 1,
+            filter: this.filter,
+            cursor: this.batchSize ? { batchSize: this.batchSize } : {},
+            nameOnly: this.nameOnly,
+            authorizedCollections: this.authorizedCollections
+        };
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (wireVersion >= 9 && this.options.comment !== undefined) {
+            command.comment = this.options.comment;
+        }
+        return command;
+    }
+}
+exports.ListCollectionsOperation = ListCollectionsOperation;
+(0, operation_1.defineAspects)(ListCollectionsOperation, [
+    operation_1.Aspect.READ_OPERATION,
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.CURSOR_CREATING
+]);
+//# sourceMappingURL=list_collections.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/list_collections.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/list_collections.js.map
new file mode 100644
index 000000000..615be1329
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/list_collections.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"list_collections.js","sourceRoot":"","sources":["../../src/operations/list_collections.ts"],"names":[],"mappings":";;;AAIA,oCAAoD;AACpD,uCAAsE;AACtE,2CAAoD;AAYpD,gBAAgB;AAChB,MAAa,wBAAyB,SAAQ,0BAA0B;IAQtE,YAAY,EAAM,EAAE,MAAgB,EAAE,OAAgC;QACpE,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QAEnB,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAC7B,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QACb,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;QACrB,IAAI,CAAC,QAAQ,GAAG,CAAC,CAAC,IAAI,CAAC,OAAO,CAAC,QAAQ,CAAC;QACxC,IAAI,CAAC,qBAAqB,GAAG,CAAC,CAAC,IAAI,CAAC,OAAO,CAAC,qBAAqB,CAAC;QAElE,IAAI,OAAO,IAAI,CAAC,OAAO,CAAC,SAAS,KAAK,QAAQ,EAAE;YAC9C,IAAI,CAAC,SAAS,GAAG,IAAI,CAAC,OAAO,CAAC,SAAS,CAAC;SACzC;IACH,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;QAE5B,OAAO,KAAK,CAAC,cAAc,CACzB,MAAM,EACN,OAAO,EACP,IAAI,CAAC,eAAe,CAAC,IAAA,sBAAc,EAAC,MAAM,CAAC,CAAC,EAC5C,QAAQ,CACT,CAAC;IACJ,CAAC;IAED,oFAAoF;IACpF,eAAe,CAAC,WAAmB;QACjC,MAAM,OAAO,GAAa;YACxB,eAAe,EAAE,CAAC;YAClB,MAAM,EAAE,IAAI,CAAC,MAAM;YACnB,MAAM,EAAE,IAAI,CAAC,SAAS,CAAC,CAAC,CAAC,EAAE,SAAS,EAAE,IAAI,CAAC,SAAS,EAAE,CAAC,CAAC,CAAC,EAAE;YAC3D,QAAQ,EAAE,IAAI,CAAC,QAAQ;YACvB,qBAAqB,EAAE,IAAI,CAAC,qBAAqB;SAClD,CAAC;QAEF,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,WAAW,IAAI,CAAC,IAAI,IAAI,CAAC,OAAO,CAAC,OAAO,KAAK,SAAS,EAAE;YAC1D,OAAO,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC,OAAO,CAAC;SACxC;QAED,OAAO,OAAO,CAAC;IACjB,CAAC;CACF;AArDD,4DAqDC;AAcD,IAAA,yBAAa,EAAC,wBAAwB,EAAE;IACtC,kBAAM,CAAC,cAAc;IACrB,kBAAM,CAAC,SAAS;IAChB,kBAAM,CAAC,eAAe;CACvB,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/list_databases.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/list_databases.js
new file mode 100644
index 000000000..967ab4e40
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/list_databases.js
@@ -0,0 +1,35 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ListDatabasesOperation = void 0;
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class ListDatabasesOperation extends command_1.CommandOperation {
+    constructor(db, options) {
+        super(db, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.ns = new utils_1.MongoDBNamespace('admin', '$cmd');
+    }
+    execute(server, session, callback) {
+        const cmd = { listDatabases: 1 };
+        if (this.options.nameOnly) {
+            cmd.nameOnly = Number(cmd.nameOnly);
+        }
+        if (this.options.filter) {
+            cmd.filter = this.options.filter;
+        }
+        if (typeof this.options.authorizedDatabases === 'boolean') {
+            cmd.authorizedDatabases = this.options.authorizedDatabases;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if ((0, utils_1.maxWireVersion)(server) >= 9 && this.options.comment !== undefined) {
+            cmd.comment = this.options.comment;
+        }
+        super.executeCommand(server, session, cmd, callback);
+    }
+}
+exports.ListDatabasesOperation = ListDatabasesOperation;
+(0, operation_1.defineAspects)(ListDatabasesOperation, [operation_1.Aspect.READ_OPERATION, operation_1.Aspect.RETRYABLE]);
+//# sourceMappingURL=list_databases.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/list_databases.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/list_databases.js.map
new file mode 100644
index 000000000..8ea522d41
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/list_databases.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"list_databases.js","sourceRoot":"","sources":["../../src/operations/list_databases.ts"],"names":[],"mappings":";;;AAIA,oCAAsE;AACtE,uCAAsE;AACtE,2CAAoD;AAoBpD,gBAAgB;AAChB,MAAa,sBAAuB,SAAQ,0BAAqC;IAG/E,YAAY,EAAM,EAAE,OAA8B;QAChD,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAC7B,IAAI,CAAC,EAAE,GAAG,IAAI,wBAAgB,CAAC,OAAO,EAAE,MAAM,CAAC,CAAC;IAClD,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAuC;QAEvC,MAAM,GAAG,GAAa,EAAE,aAAa,EAAE,CAAC,EAAE,CAAC;QAC3C,IAAI,IAAI,CAAC,OAAO,CAAC,QAAQ,EAAE;YACzB,GAAG,CAAC,QAAQ,GAAG,MAAM,CAAC,GAAG,CAAC,QAAQ,CAAC,CAAC;SACrC;QAED,IAAI,IAAI,CAAC,OAAO,CAAC,MAAM,EAAE;YACvB,GAAG,CAAC,MAAM,GAAG,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC;SAClC;QAED,IAAI,OAAO,IAAI,CAAC,OAAO,CAAC,mBAAmB,KAAK,SAAS,EAAE;YACzD,GAAG,CAAC,mBAAmB,GAAG,IAAI,CAAC,OAAO,CAAC,mBAAmB,CAAC;SAC5D;QAED,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,IAAA,sBAAc,EAAC,MAAM,CAAC,IAAI,CAAC,IAAI,IAAI,CAAC,OAAO,CAAC,OAAO,KAAK,SAAS,EAAE;YACrE,GAAG,CAAC,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC,OAAO,CAAC;SACpC;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,GAAG,EAAE,QAAQ,CAAC,CAAC;IACvD,CAAC;CACF;AAnCD,wDAmCC;AAED,IAAA,yBAAa,EAAC,sBAAsB,EAAE,CAAC,kBAAM,CAAC,cAAc,EAAE,kBAAM,CAAC,SAAS,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/map_reduce.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/map_reduce.js
new file mode 100644
index 000000000..43f63a43f
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/map_reduce.js
@@ -0,0 +1,166 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.MapReduceOperation = void 0;
+const bson_1 = require("../bson");
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+const exclusionList = [
+    'explain',
+    'readPreference',
+    'readConcern',
+    'session',
+    'bypassDocumentValidation',
+    'writeConcern',
+    'raw',
+    'fieldsAsRaw',
+    'promoteLongs',
+    'promoteValues',
+    'promoteBuffers',
+    'bsonRegExp',
+    'serializeFunctions',
+    'ignoreUndefined',
+    'enableUtf8Validation',
+    'scope' // this option is reformatted thus exclude the original
+];
+/**
+ * Run Map Reduce across a collection. Be aware that the inline option for out will return an array of results not a collection.
+ * @internal
+ */
+class MapReduceOperation extends command_1.CommandOperation {
+    /**
+     * Constructs a MapReduce operation.
+     *
+     * @param collection - Collection instance.
+     * @param map - The mapping function.
+     * @param reduce - The reduce function.
+     * @param options - Optional settings. See Collection.prototype.mapReduce for a list of options.
+     */
+    constructor(collection, map, reduce, options) {
+        super(collection, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.collection = collection;
+        this.map = map;
+        this.reduce = reduce;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        const map = this.map;
+        const reduce = this.reduce;
+        let options = this.options;
+        const mapCommandHash = {
+            mapReduce: coll.collectionName,
+            map: map,
+            reduce: reduce
+        };
+        if (options.scope) {
+            mapCommandHash.scope = processScope(options.scope);
+        }
+        // Add any other options passed in
+        for (const n in options) {
+            // Only include if not in exclusion list
+            if (exclusionList.indexOf(n) === -1) {
+                mapCommandHash[n] = options[n];
+            }
+        }
+        options = Object.assign({}, options);
+        // If we have a read preference and inline is not set as output fail hard
+        if (this.readPreference.mode === read_preference_1.ReadPreferenceMode.primary &&
+            options.out &&
+            options.out.inline !== 1 &&
+            options.out !== 'inline') {
+            // Force readPreference to primary
+            options.readPreference = read_preference_1.ReadPreference.primary;
+            // Decorate command with writeConcern if supported
+            (0, utils_1.applyWriteConcern)(mapCommandHash, { db: coll.s.db, collection: coll }, options);
+        }
+        else {
+            (0, utils_1.decorateWithReadConcern)(mapCommandHash, coll, options);
+        }
+        // Is bypassDocumentValidation specified
+        if (options.bypassDocumentValidation === true) {
+            mapCommandHash.bypassDocumentValidation = options.bypassDocumentValidation;
+        }
+        // Have we specified collation
+        try {
+            (0, utils_1.decorateWithCollation)(mapCommandHash, coll, options);
+        }
+        catch (err) {
+            return callback(err);
+        }
+        if (this.explain && (0, utils_1.maxWireVersion)(server) < 9) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name} does not support explain on mapReduce`));
+            return;
+        }
+        // Execute command
+        super.executeCommand(server, session, mapCommandHash, (err, result) => {
+            if (err)
+                return callback(err);
+            // Check if we have an error
+            if (1 !== result.ok || result.err || result.errmsg) {
+                return callback(new error_1.MongoServerError(result));
+            }
+            // If an explain option was executed, don't process the server results
+            if (this.explain)
+                return callback(undefined, result);
+            // Create statistics value
+            const stats = {};
+            if (result.timeMillis)
+                stats['processtime'] = result.timeMillis;
+            if (result.counts)
+                stats['counts'] = result.counts;
+            if (result.timing)
+                stats['timing'] = result.timing;
+            // invoked with inline?
+            if (result.results) {
+                // If we wish for no verbosity
+                if (options['verbose'] == null || !options['verbose']) {
+                    return callback(undefined, result.results);
+                }
+                return callback(undefined, { results: result.results, stats: stats });
+            }
+            // The returned collection
+            let collection = null;
+            // If we have an object it's a different db
+            if (result.result != null && typeof result.result === 'object') {
+                const doc = result.result;
+                // Return a collection from another db
+                collection = coll.s.db.s.client.db(doc.db, coll.s.db.s.options).collection(doc.collection);
+            }
+            else {
+                // Create a collection object that wraps the result collection
+                collection = coll.s.db.collection(result.result);
+            }
+            // If we wish for no verbosity
+            if (options['verbose'] == null || !options['verbose']) {
+                return callback(err, collection);
+            }
+            // Return stats as third set of values
+            callback(err, { collection, stats });
+        });
+    }
+}
+exports.MapReduceOperation = MapReduceOperation;
+/** Functions that are passed as scope args must be converted to Code instances. */
+function processScope(scope) {
+    if (!(0, utils_1.isObject)(scope) || scope._bsontype === 'ObjectID') {
+        return scope;
+    }
+    const newScope = {};
+    for (const key of Object.keys(scope)) {
+        if ('function' === typeof scope[key]) {
+            newScope[key] = new bson_1.Code(String(scope[key]));
+        }
+        else if (scope[key]._bsontype === 'Code') {
+            newScope[key] = scope[key];
+        }
+        else {
+            newScope[key] = processScope(scope[key]);
+        }
+    }
+    return newScope;
+}
+(0, operation_1.defineAspects)(MapReduceOperation, [operation_1.Aspect.EXPLAINABLE]);
+//# sourceMappingURL=map_reduce.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/map_reduce.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/map_reduce.js.map
new file mode 100644
index 000000000..0cab777c7
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/map_reduce.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"map_reduce.js","sourceRoot":"","sources":["../../src/operations/map_reduce.ts"],"names":[],"mappings":";;;AACA,kCAAyC;AAEzC,oCAAqE;AACrE,wDAAwE;AAIxE,oCAOkB;AAClB,uCAAsE;AACtE,2CAAoD;AAEpD,MAAM,aAAa,GAAG;IACpB,SAAS;IACT,gBAAgB;IAChB,aAAa;IACb,SAAS;IACT,0BAA0B;IAC1B,cAAc;IACd,KAAK;IACL,aAAa;IACb,cAAc;IACd,eAAe;IACf,gBAAgB;IAChB,YAAY;IACZ,oBAAoB;IACpB,iBAAiB;IACjB,sBAAsB;IACtB,OAAO,CAAC,uDAAuD;CAChE,CAAC;AA2CF;;;GAGG;AACH,MAAa,kBAAmB,SAAQ,0BAAuC;IAQ7E;;;;;;;OAOG;IACH,YACE,UAAsB,EACtB,GAAyB,EACzB,MAA+B,EAC/B,OAA0B;QAE1B,KAAK,CAAC,UAAU,EAAE,OAAO,CAAC,CAAC;QAE3B,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAC7B,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,GAAG,GAAG,GAAG,CAAC;QACf,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC;IACvB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAyC;QAEzC,MAAM,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;QAC7B,MAAM,GAAG,GAAG,IAAI,CAAC,GAAG,CAAC;QACrB,MAAM,MAAM,GAAG,IAAI,CAAC,MAAM,CAAC;QAC3B,IAAI,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;QAE3B,MAAM,cAAc,GAAa;YAC/B,SAAS,EAAE,IAAI,CAAC,cAAc;YAC9B,GAAG,EAAE,GAAG;YACR,MAAM,EAAE,MAAM;SACf,CAAC;QAEF,IAAI,OAAO,CAAC,KAAK,EAAE;YACjB,cAAc,CAAC,KAAK,GAAG,YAAY,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC;SACpD;QAED,kCAAkC;QAClC,KAAK,MAAM,CAAC,IAAI,OAAO,EAAE;YACvB,wCAAwC;YACxC,IAAI,aAAa,CAAC,OAAO,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,EAAE;gBACnC,cAAc,CAAC,CAAC,CAAC,GAAI,OAAe,CAAC,CAAC,CAAC,CAAC;aACzC;SACF;QAED,OAAO,GAAG,MAAM,CAAC,MAAM,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QAErC,yEAAyE;QACzE,IACE,IAAI,CAAC,cAAc,CAAC,IAAI,KAAK,oCAAkB,CAAC,OAAO;YACvD,OAAO,CAAC,GAAG;YACV,OAAO,CAAC,GAAW,CAAC,MAAM,KAAK,CAAC;YACjC,OAAO,CAAC,GAAG,KAAK,QAAQ,EACxB;YACA,kCAAkC;YAClC,OAAO,CAAC,cAAc,GAAG,gCAAc,CAAC,OAAO,CAAC;YAChD,kDAAkD;YAClD,IAAA,yBAAiB,EAAC,cAAc,EAAE,EAAE,EAAE,EAAE,IAAI,CAAC,CAAC,CAAC,EAAE,EAAE,UAAU,EAAE,IAAI,EAAE,EAAE,OAAO,CAAC,CAAC;SACjF;aAAM;YACL,IAAA,+BAAuB,EAAC,cAAc,EAAE,IAAI,EAAE,OAAO,CAAC,CAAC;SACxD;QAED,wCAAwC;QACxC,IAAI,OAAO,CAAC,wBAAwB,KAAK,IAAI,EAAE;YAC7C,cAAc,CAAC,wBAAwB,GAAG,OAAO,CAAC,wBAAwB,CAAC;SAC5E;QAED,8BAA8B;QAC9B,IAAI;YACF,IAAA,6BAAqB,EAAC,cAAc,EAAE,IAAI,EAAE,OAAO,CAAC,CAAC;SACtD;QAAC,OAAO,GAAG,EAAE;YACZ,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;SACtB;QAED,IAAI,IAAI,CAAC,OAAO,IAAI,IAAA,sBAAc,EAAC,MAAM,CAAC,GAAG,CAAC,EAAE;YAC9C,QAAQ,CACN,IAAI,+BAAuB,CAAC,UAAU,MAAM,CAAC,IAAI,wCAAwC,CAAC,CAC3F,CAAC;YACF,OAAO;SACR;QAED,kBAAkB;QAClB,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,cAAc,EAAE,CAAC,GAAG,EAAE,MAAM,EAAE,EAAE;YACpE,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC9B,4BAA4B;YAC5B,IAAI,CAAC,KAAK,MAAM,CAAC,EAAE,IAAI,MAAM,CAAC,GAAG,IAAI,MAAM,CAAC,MAAM,EAAE;gBAClD,OAAO,QAAQ,CAAC,IAAI,wBAAgB,CAAC,MAAM,CAAC,CAAC,CAAC;aAC/C;YAED,sEAAsE;YACtE,IAAI,IAAI,CAAC,OAAO;gBAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,CAAC;YAErD,0BAA0B;YAC1B,MAAM,KAAK,GAAmB,EAAE,CAAC;YACjC,IAAI,MAAM,CAAC,UAAU;gBAAE,KAAK,CAAC,aAAa,CAAC,GAAG,MAAM,CAAC,UAAU,CAAC;YAChE,IAAI,MAAM,CAAC,MAAM;gBAAE,KAAK,CAAC,QAAQ,CAAC,GAAG,MAAM,CAAC,MAAM,CAAC;YACnD,IAAI,MAAM,CAAC,MAAM;gBAAE,KAAK,CAAC,QAAQ,CAAC,GAAG,MAAM,CAAC,MAAM,CAAC;YAEnD,uBAAuB;YACvB,IAAI,MAAM,CAAC,OAAO,EAAE;gBAClB,8BAA8B;gBAC9B,IAAI,OAAO,CAAC,SAAS,CAAC,IAAI,IAAI,IAAI,CAAC,OAAO,CAAC,SAAS,CAAC,EAAE;oBACrD,OAAO,QAAQ,CAAC,SAAS,EAAE,MAAM,CAAC,OAAO,CAAC,CAAC;iBAC5C;gBAED,OAAO,QAAQ,CAAC,SAAS,EAAE,EAAE,OAAO,EAAE,MAAM,CAAC,OAAO,EAAE,KAAK,EAAE,KAAK,EAAE,CAAC,CAAC;aACvE;YAED,0BAA0B;YAC1B,IAAI,UAAU,GAAG,IAAI,CAAC;YAEtB,2CAA2C;YAC3C,IAAI,MAAM,CAAC,MAAM,IAAI,IAAI,IAAI,OAAO,MAAM,CAAC,MAAM,KAAK,QAAQ,EAAE;gBAC9D,MAAM,GAAG,GAAG,MAAM,CAAC,MAAM,CAAC;gBAC1B,sCAAsC;gBACtC,UAAU,GAAG,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,MAAM,CAAC,EAAE,CAAC,GAAG,CAAC,EAAE,EAAE,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC,UAAU,CAAC,GAAG,CAAC,UAAU,CAAC,CAAC;aAC5F;iBAAM;gBACL,8DAA8D;gBAC9D,UAAU,GAAG,IAAI,CAAC,CAAC,CAAC,EAAE,CAAC,UAAU,CAAC,MAAM,CAAC,MAAM,CAAC,CAAC;aAClD;YAED,8BAA8B;YAC9B,IAAI,OAAO,CAAC,SAAS,CAAC,IAAI,IAAI,IAAI,CAAC,OAAO,CAAC,SAAS,CAAC,EAAE;gBACrD,OAAO,QAAQ,CAAC,GAAG,EAAE,UAAU,CAAC,CAAC;aAClC;YAED,sCAAsC;YACtC,QAAQ,CAAC,GAAG,EAAE,EAAE,UAAU,EAAE,KAAK,EAAE,CAAC,CAAC;QACvC,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA/ID,gDA+IC;AAED,mFAAmF;AACnF,SAAS,YAAY,CAAC,KAA0B;IAC9C,IAAI,CAAC,IAAA,gBAAQ,EAAC,KAAK,CAAC,IAAK,KAAa,CAAC,SAAS,KAAK,UAAU,EAAE;QAC/D,OAAO,KAAK,CAAC;KACd;IAED,MAAM,QAAQ,GAAa,EAAE,CAAC;IAE9B,KAAK,MAAM,GAAG,IAAI,MAAM,CAAC,IAAI,CAAC,KAAK,CAAC,EAAE;QACpC,IAAI,UAAU,KAAK,OAAQ,KAAkB,CAAC,GAAG,CAAC,EAAE;YAClD,QAAQ,CAAC,GAAG,CAAC,GAAG,IAAI,WAAI,CAAC,MAAM,CAAE,KAAkB,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;SAC5D;aAAM,IAAK,KAAkB,CAAC,GAAG,CAAC,CAAC,SAAS,KAAK,MAAM,EAAE;YACxD,QAAQ,CAAC,GAAG,CAAC,GAAI,KAAkB,CAAC,GAAG,CAAC,CAAC;SAC1C;aAAM;YACL,QAAQ,CAAC,GAAG,CAAC,GAAG,YAAY,CAAE,KAAkB,CAAC,GAAG,CAAC,CAAC,CAAC;SACxD;KACF;IAED,OAAO,QAAQ,CAAC;AAClB,CAAC;AAED,IAAA,yBAAa,EAAC,kBAAkB,EAAE,CAAC,kBAAM,CAAC,WAAW,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/operation.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/operation.js
new file mode 100644
index 000000000..2f6c54fba
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/operation.js
@@ -0,0 +1,70 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.defineAspects = exports.AbstractOperation = exports.Aspect = void 0;
+const bson_1 = require("../bson");
+const read_preference_1 = require("../read_preference");
+exports.Aspect = {
+    READ_OPERATION: Symbol('READ_OPERATION'),
+    WRITE_OPERATION: Symbol('WRITE_OPERATION'),
+    RETRYABLE: Symbol('RETRYABLE'),
+    EXPLAINABLE: Symbol('EXPLAINABLE'),
+    SKIP_COLLATION: Symbol('SKIP_COLLATION'),
+    CURSOR_CREATING: Symbol('CURSOR_CREATING'),
+    MUST_SELECT_SAME_SERVER: Symbol('MUST_SELECT_SAME_SERVER')
+};
+/** @internal */
+const kSession = Symbol('session');
+/**
+ * This class acts as a parent class for any operation and is responsible for setting this.options,
+ * as well as setting and getting a session.
+ * Additionally, this class implements `hasAspect`, which determines whether an operation has
+ * a specific aspect.
+ * @internal
+ */
+class AbstractOperation {
+    constructor(options = {}) {
+        var _a;
+        this.readPreference = this.hasAspect(exports.Aspect.WRITE_OPERATION)
+            ? read_preference_1.ReadPreference.primary
+            : (_a = read_preference_1.ReadPreference.fromOptions(options)) !== null && _a !== void 0 ? _a : read_preference_1.ReadPreference.primary;
+        // Pull the BSON serialize options from the already-resolved options
+        this.bsonOptions = (0, bson_1.resolveBSONOptions)(options);
+        this[kSession] = options.session != null ? options.session : undefined;
+        this.options = options;
+        this.bypassPinningCheck = !!options.bypassPinningCheck;
+        this.trySecondaryWrite = false;
+    }
+    hasAspect(aspect) {
+        const ctor = this.constructor;
+        if (ctor.aspects == null) {
+            return false;
+        }
+        return ctor.aspects.has(aspect);
+    }
+    get session() {
+        return this[kSession];
+    }
+    clearSession() {
+        this[kSession] = undefined;
+    }
+    get canRetryRead() {
+        return true;
+    }
+    get canRetryWrite() {
+        return true;
+    }
+}
+exports.AbstractOperation = AbstractOperation;
+function defineAspects(operation, aspects) {
+    if (!Array.isArray(aspects) && !(aspects instanceof Set)) {
+        aspects = [aspects];
+    }
+    aspects = new Set(aspects);
+    Object.defineProperty(operation, 'aspects', {
+        value: aspects,
+        writable: false
+    });
+    return aspects;
+}
+exports.defineAspects = defineAspects;
+//# sourceMappingURL=operation.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/operation.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/operation.js.map
new file mode 100644
index 000000000..b5d2ae070
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/operation.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"operation.js","sourceRoot":"","sources":["../../src/operations/operation.ts"],"names":[],"mappings":";;;AAAA,kCAA6E;AAC7E,wDAAwE;AAK3D,QAAA,MAAM,GAAG;IACpB,cAAc,EAAE,MAAM,CAAC,gBAAgB,CAAC;IACxC,eAAe,EAAE,MAAM,CAAC,iBAAiB,CAAC;IAC1C,SAAS,EAAE,MAAM,CAAC,WAAW,CAAC;IAC9B,WAAW,EAAE,MAAM,CAAC,aAAa,CAAC;IAClC,cAAc,EAAE,MAAM,CAAC,gBAAgB,CAAC;IACxC,eAAe,EAAE,MAAM,CAAC,iBAAiB,CAAC;IAC1C,uBAAuB,EAAE,MAAM,CAAC,yBAAyB,CAAC;CAClD,CAAC;AAuBX,gBAAgB;AAChB,MAAM,QAAQ,GAAG,MAAM,CAAC,SAAS,CAAC,CAAC;AAEnC;;;;;;GAMG;AACH,MAAsB,iBAAiB;IAerC,YAAY,UAA4B,EAAE;;QACxC,IAAI,CAAC,cAAc,GAAG,IAAI,CAAC,SAAS,CAAC,cAAM,CAAC,eAAe,CAAC;YAC1D,CAAC,CAAC,gCAAc,CAAC,OAAO;YACxB,CAAC,CAAC,MAAA,gCAAc,CAAC,WAAW,CAAC,OAAO,CAAC,mCAAI,gCAAc,CAAC,OAAO,CAAC;QAElE,oEAAoE;QACpE,IAAI,CAAC,WAAW,GAAG,IAAA,yBAAkB,EAAC,OAAO,CAAC,CAAC;QAE/C,IAAI,CAAC,QAAQ,CAAC,GAAG,OAAO,CAAC,OAAO,IAAI,IAAI,CAAC,CAAC,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC,CAAC,SAAS,CAAC;QAEvE,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,kBAAkB,GAAG,CAAC,CAAC,OAAO,CAAC,kBAAkB,CAAC;QACvD,IAAI,CAAC,iBAAiB,GAAG,KAAK,CAAC;IACjC,CAAC;IAQD,SAAS,CAAC,MAAc;QACtB,MAAM,IAAI,GAAG,IAAI,CAAC,WAAmC,CAAC;QACtD,IAAI,IAAI,CAAC,OAAO,IAAI,IAAI,EAAE;YACxB,OAAO,KAAK,CAAC;SACd;QAED,OAAO,IAAI,CAAC,OAAO,CAAC,GAAG,CAAC,MAAM,CAAC,CAAC;IAClC,CAAC;IAED,IAAI,OAAO;QACT,OAAO,IAAI,CAAC,QAAQ,CAAC,CAAC;IACxB,CAAC;IAED,YAAY;QACV,IAAI,CAAC,QAAQ,CAAC,GAAG,SAAS,CAAC;IAC7B,CAAC;IAED,IAAI,YAAY;QACd,OAAO,IAAI,CAAC;IACd,CAAC;IAED,IAAI,aAAa;QACf,OAAO,IAAI,CAAC;IACd,CAAC;CACF;AA5DD,8CA4DC;AAED,SAAgB,aAAa,CAC3B,SAA+B,EAC/B,OAAwC;IAExC,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,OAAO,CAAC,IAAI,CAAC,CAAC,OAAO,YAAY,GAAG,CAAC,EAAE;QACxD,OAAO,GAAG,CAAC,OAAO,CAAC,CAAC;KACrB;IAED,OAAO,GAAG,IAAI,GAAG,CAAC,OAAO,CAAC,CAAC;IAC3B,MAAM,CAAC,cAAc,CAAC,SAAS,EAAE,SAAS,EAAE;QAC1C,KAAK,EAAE,OAAO;QACd,QAAQ,EAAE,KAAK;KAChB,CAAC,CAAC;IAEH,OAAO,OAAO,CAAC;AACjB,CAAC;AAfD,sCAeC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/options_operation.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/options_operation.js
new file mode 100644
index 000000000..f07f104dc
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/options_operation.js
@@ -0,0 +1,29 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.OptionsOperation = void 0;
+const error_1 = require("../error");
+const operation_1 = require("./operation");
+/** @internal */
+class OptionsOperation extends operation_1.AbstractOperation {
+    constructor(collection, options) {
+        super(options);
+        this.options = options;
+        this.collection = collection;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        coll.s.db
+            .listCollections({ name: coll.collectionName }, { ...this.options, nameOnly: false, readPreference: this.readPreference, session })
+            .toArray((err, collections) => {
+            if (err || !collections)
+                return callback(err);
+            if (collections.length === 0) {
+                // TODO(NODE-3485)
+                return callback(new error_1.MongoAPIError(`collection ${coll.namespace} not found`));
+            }
+            callback(err, collections[0].options);
+        });
+    }
+}
+exports.OptionsOperation = OptionsOperation;
+//# sourceMappingURL=options_operation.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/options_operation.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/options_operation.js.map
new file mode 100644
index 000000000..9d6b05c00
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/options_operation.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"options_operation.js","sourceRoot":"","sources":["../../src/operations/options_operation.ts"],"names":[],"mappings":";;;AAEA,oCAAyC;AAIzC,2CAAkE;AAElE,gBAAgB;AAChB,MAAa,gBAAiB,SAAQ,6BAA2B;IAI/D,YAAY,UAAsB,EAAE,OAAyB;QAC3D,KAAK,CAAC,OAAO,CAAC,CAAC;QACf,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;IAC/B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;QAE5B,MAAM,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;QAE7B,IAAI,CAAC,CAAC,CAAC,EAAE;aACN,eAAe,CACd,EAAE,IAAI,EAAE,IAAI,CAAC,cAAc,EAAE,EAC7B,EAAE,GAAG,IAAI,CAAC,OAAO,EAAE,QAAQ,EAAE,KAAK,EAAE,cAAc,EAAE,IAAI,CAAC,cAAc,EAAE,OAAO,EAAE,CACnF;aACA,OAAO,CAAC,CAAC,GAAG,EAAE,WAAW,EAAE,EAAE;YAC5B,IAAI,GAAG,IAAI,CAAC,WAAW;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC9C,IAAI,WAAW,CAAC,MAAM,KAAK,CAAC,EAAE;gBAC5B,kBAAkB;gBAClB,OAAO,QAAQ,CAAC,IAAI,qBAAa,CAAC,cAAc,IAAI,CAAC,SAAS,YAAY,CAAC,CAAC,CAAC;aAC9E;YAED,QAAQ,CAAC,GAAG,EAAE,WAAW,CAAC,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC;QACxC,CAAC,CAAC,CAAC;IACP,CAAC;CACF;AAhCD,4CAgCC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/profiling_level.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/profiling_level.js
new file mode 100644
index 000000000..33802dfa2
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/profiling_level.js
@@ -0,0 +1,33 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ProfilingLevelOperation = void 0;
+const error_1 = require("../error");
+const command_1 = require("./command");
+/** @internal */
+class ProfilingLevelOperation extends command_1.CommandOperation {
+    constructor(db, options) {
+        super(db, options);
+        this.options = options;
+    }
+    execute(server, session, callback) {
+        super.executeCommand(server, session, { profile: -1 }, (err, doc) => {
+            if (err == null && doc.ok === 1) {
+                const was = doc.was;
+                if (was === 0)
+                    return callback(undefined, 'off');
+                if (was === 1)
+                    return callback(undefined, 'slow_only');
+                if (was === 2)
+                    return callback(undefined, 'all');
+                // TODO(NODE-3483)
+                return callback(new error_1.MongoRuntimeError(`Illegal profiling level value ${was}`));
+            }
+            else {
+                // TODO(NODE-3483): Consider MongoUnexpectedServerResponseError
+                err != null ? callback(err) : callback(new error_1.MongoRuntimeError('Error with profile command'));
+            }
+        });
+    }
+}
+exports.ProfilingLevelOperation = ProfilingLevelOperation;
+//# sourceMappingURL=profiling_level.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/profiling_level.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/profiling_level.js.map
new file mode 100644
index 000000000..8630fdc00
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/profiling_level.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"profiling_level.js","sourceRoot":"","sources":["../../src/operations/profiling_level.ts"],"names":[],"mappings":";;;AACA,oCAA6C;AAI7C,uCAAsE;AAKtE,gBAAgB;AAChB,MAAa,uBAAwB,SAAQ,0BAAwB;IAGnE,YAAY,EAAM,EAAE,OAA8B;QAChD,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA0B;QAE1B,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,EAAE,OAAO,EAAE,CAAC,CAAC,EAAE,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;YAClE,IAAI,GAAG,IAAI,IAAI,IAAI,GAAG,CAAC,EAAE,KAAK,CAAC,EAAE;gBAC/B,MAAM,GAAG,GAAG,GAAG,CAAC,GAAG,CAAC;gBACpB,IAAI,GAAG,KAAK,CAAC;oBAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,KAAK,CAAC,CAAC;gBACjD,IAAI,GAAG,KAAK,CAAC;oBAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,WAAW,CAAC,CAAC;gBACvD,IAAI,GAAG,KAAK,CAAC;oBAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,KAAK,CAAC,CAAC;gBACjD,kBAAkB;gBAClB,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,iCAAiC,GAAG,EAAE,CAAC,CAAC,CAAC;aAChF;iBAAM;gBACL,+DAA+D;gBAC/D,GAAG,IAAI,IAAI,CAAC,CAAC,CAAC,QAAQ,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC,IAAI,yBAAiB,CAAC,4BAA4B,CAAC,CAAC,CAAC;aAC7F;QACH,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA3BD,0DA2BC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/remove_user.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/remove_user.js
new file mode 100644
index 000000000..daab3ebff
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/remove_user.js
@@ -0,0 +1,21 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.RemoveUserOperation = void 0;
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class RemoveUserOperation extends command_1.CommandOperation {
+    constructor(db, username, options) {
+        super(db, options);
+        this.options = options;
+        this.username = username;
+    }
+    execute(server, session, callback) {
+        super.executeCommand(server, session, { dropUser: this.username }, err => {
+            callback(err, err ? false : true);
+        });
+    }
+}
+exports.RemoveUserOperation = RemoveUserOperation;
+(0, operation_1.defineAspects)(RemoveUserOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=remove_user.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/remove_user.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/remove_user.js.map
new file mode 100644
index 000000000..d689529ab
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/remove_user.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"remove_user.js","sourceRoot":"","sources":["../../src/operations/remove_user.ts"],"names":[],"mappings":";;;AAIA,uCAAsE;AACtE,2CAAoD;AAKpD,gBAAgB;AAChB,MAAa,mBAAoB,SAAQ,0BAAyB;IAIhE,YAAY,EAAM,EAAE,QAAgB,EAAE,OAA0B;QAC9D,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;IAC3B,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA2B;QAE3B,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,EAAE,QAAQ,EAAE,IAAI,CAAC,QAAQ,EAAE,EAAE,GAAG,CAAC,EAAE;YACvE,QAAQ,CAAC,GAAG,EAAE,GAAG,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC;QACpC,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAnBD,kDAmBC;AAED,IAAA,yBAAa,EAAC,mBAAmB,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/rename.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/rename.js
new file mode 100644
index 000000000..06ec124d2
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/rename.js
@@ -0,0 +1,46 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.RenameOperation = void 0;
+const collection_1 = require("../collection");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const operation_1 = require("./operation");
+const run_command_1 = require("./run_command");
+/** @internal */
+class RenameOperation extends run_command_1.RunAdminCommandOperation {
+    constructor(collection, newName, options) {
+        // Check the collection name
+        (0, utils_1.checkCollectionName)(newName);
+        // Build the command
+        const renameCollection = collection.namespace;
+        const toCollection = collection.s.namespace.withCollection(newName).toString();
+        const dropTarget = typeof options.dropTarget === 'boolean' ? options.dropTarget : false;
+        const cmd = { renameCollection: renameCollection, to: toCollection, dropTarget: dropTarget };
+        super(collection, cmd, options);
+        this.options = options;
+        this.collection = collection;
+        this.newName = newName;
+    }
+    execute(server, session, callback) {
+        const coll = this.collection;
+        super.execute(server, session, (err, doc) => {
+            if (err)
+                return callback(err);
+            // We have an error
+            if (doc === null || doc === void 0 ? void 0 : doc.errmsg) {
+                return callback(new error_1.MongoServerError(doc));
+            }
+            let newColl;
+            try {
+                newColl = new collection_1.Collection(coll.s.db, this.newName, coll.s.options);
+            }
+            catch (err) {
+                return callback(err);
+            }
+            return callback(undefined, newColl);
+        });
+    }
+}
+exports.RenameOperation = RenameOperation;
+(0, operation_1.defineAspects)(RenameOperation, [operation_1.Aspect.WRITE_OPERATION]);
+//# sourceMappingURL=rename.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/rename.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/rename.js.map
new file mode 100644
index 000000000..03255d1cd
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/rename.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"rename.js","sourceRoot":"","sources":["../../src/operations/rename.ts"],"names":[],"mappings":";;;AACA,8CAA2C;AAC3C,oCAA4C;AAG5C,oCAAyD;AAEzD,2CAAoD;AACpD,+CAAyD;AAUzD,gBAAgB;AAChB,MAAa,eAAgB,SAAQ,sCAAwB;IAK3D,YAAY,UAAsB,EAAE,OAAe,EAAE,OAAsB;QACzE,4BAA4B;QAC5B,IAAA,2BAAmB,EAAC,OAAO,CAAC,CAAC;QAE7B,oBAAoB;QACpB,MAAM,gBAAgB,GAAG,UAAU,CAAC,SAAS,CAAC;QAC9C,MAAM,YAAY,GAAG,UAAU,CAAC,CAAC,CAAC,SAAS,CAAC,cAAc,CAAC,OAAO,CAAC,CAAC,QAAQ,EAAE,CAAC;QAC/E,MAAM,UAAU,GAAG,OAAO,OAAO,CAAC,UAAU,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,UAAU,CAAC,CAAC,CAAC,KAAK,CAAC;QACxF,MAAM,GAAG,GAAG,EAAE,gBAAgB,EAAE,gBAAgB,EAAE,EAAE,EAAE,YAAY,EAAE,UAAU,EAAE,UAAU,EAAE,CAAC;QAE7F,KAAK,CAAC,UAAU,EAAE,GAAG,EAAE,OAAO,CAAC,CAAC;QAChC,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;QAC7B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA8B;QAE9B,MAAM,IAAI,GAAG,IAAI,CAAC,UAAU,CAAC;QAE7B,KAAK,CAAC,OAAO,CAAC,MAAM,EAAE,OAAO,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;YAC1C,IAAI,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAC9B,mBAAmB;YACnB,IAAI,GAAG,aAAH,GAAG,uBAAH,GAAG,CAAE,MAAM,EAAE;gBACf,OAAO,QAAQ,CAAC,IAAI,wBAAgB,CAAC,GAAG,CAAC,CAAC,CAAC;aAC5C;YAED,IAAI,OAA6B,CAAC;YAClC,IAAI;gBACF,OAAO,GAAG,IAAI,uBAAU,CAAC,IAAI,CAAC,CAAC,CAAC,EAAE,EAAE,IAAI,CAAC,OAAO,EAAE,IAAI,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC;aACnE;YAAC,OAAO,GAAG,EAAE;gBACZ,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;aACtB;YAED,OAAO,QAAQ,CAAC,SAAS,EAAE,OAAO,CAAC,CAAC;QACtC,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA7CD,0CA6CC;AAED,IAAA,yBAAa,EAAC,eAAe,EAAE,CAAC,kBAAM,CAAC,eAAe,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/run_command.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/run_command.js
new file mode 100644
index 000000000..3ebab39a4
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/run_command.js
@@ -0,0 +1,26 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.RunAdminCommandOperation = exports.RunCommandOperation = void 0;
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+/** @internal */
+class RunCommandOperation extends command_1.CommandOperation {
+    constructor(parent, command, options) {
+        super(parent, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.command = command;
+    }
+    execute(server, session, callback) {
+        const command = this.command;
+        this.executeCommand(server, session, command, callback);
+    }
+}
+exports.RunCommandOperation = RunCommandOperation;
+class RunAdminCommandOperation extends RunCommandOperation {
+    constructor(parent, command, options) {
+        super(parent, command, options);
+        this.ns = new utils_1.MongoDBNamespace('admin');
+    }
+}
+exports.RunAdminCommandOperation = RunAdminCommandOperation;
+//# sourceMappingURL=run_command.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/run_command.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/run_command.js.map
new file mode 100644
index 000000000..f698f3449
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/run_command.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"run_command.js","sourceRoot":"","sources":["../../src/operations/run_command.ts"],"names":[],"mappings":";;;AAGA,oCAAsD;AACtD,uCAAuF;AAKvF,gBAAgB;AAChB,MAAa,mBAAkC,SAAQ,0BAAmB;IAIxE,YAAY,MAAmC,EAAE,OAAiB,EAAE,OAA2B;QAC7F,KAAK,CAAC,MAAM,EAAE,OAAO,CAAC,CAAC;QACvB,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAC7B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAqB;QAErB,MAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;QAC7B,IAAI,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC1D,CAAC;CACF;AAlBD,kDAkBC;AAED,MAAa,wBAAuC,SAAQ,mBAAsB;IAChF,YAAY,MAAmC,EAAE,OAAiB,EAAE,OAA2B;QAC7F,KAAK,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,CAAC,CAAC;QAChC,IAAI,CAAC,EAAE,GAAG,IAAI,wBAAgB,CAAC,OAAO,CAAC,CAAC;IAC1C,CAAC;CACF;AALD,4DAKC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/set_profiling_level.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/set_profiling_level.js
new file mode 100644
index 000000000..4ff83297d
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/set_profiling_level.js
@@ -0,0 +1,51 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SetProfilingLevelOperation = exports.ProfilingLevel = void 0;
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const levelValues = new Set(['off', 'slow_only', 'all']);
+/** @public */
+exports.ProfilingLevel = Object.freeze({
+    off: 'off',
+    slowOnly: 'slow_only',
+    all: 'all'
+});
+/** @internal */
+class SetProfilingLevelOperation extends command_1.CommandOperation {
+    constructor(db, level, options) {
+        super(db, options);
+        this.options = options;
+        switch (level) {
+            case exports.ProfilingLevel.off:
+                this.profile = 0;
+                break;
+            case exports.ProfilingLevel.slowOnly:
+                this.profile = 1;
+                break;
+            case exports.ProfilingLevel.all:
+                this.profile = 2;
+                break;
+            default:
+                this.profile = 0;
+                break;
+        }
+        this.level = level;
+    }
+    execute(server, session, callback) {
+        const level = this.level;
+        if (!levelValues.has(level)) {
+            return callback(new error_1.MongoInvalidArgumentError(`Profiling level must be one of "${(0, utils_1.enumToString)(exports.ProfilingLevel)}"`));
+        }
+        // TODO(NODE-3483): Determine error to put here
+        super.executeCommand(server, session, { profile: this.profile }, (err, doc) => {
+            if (err == null && doc.ok === 1)
+                return callback(undefined, level);
+            return err != null
+                ? callback(err)
+                : callback(new error_1.MongoRuntimeError('Error with profile command'));
+        });
+    }
+}
+exports.SetProfilingLevelOperation = SetProfilingLevelOperation;
+//# sourceMappingURL=set_profiling_level.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/set_profiling_level.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/set_profiling_level.js.map
new file mode 100644
index 000000000..4928b6165
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/set_profiling_level.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"set_profiling_level.js","sourceRoot":"","sources":["../../src/operations/set_profiling_level.ts"],"names":[],"mappings":";;;AACA,oCAAwE;AAIxE,oCAAwC;AACxC,uCAAsE;AAEtE,MAAM,WAAW,GAAG,IAAI,GAAG,CAAC,CAAC,KAAK,EAAE,WAAW,EAAE,KAAK,CAAC,CAAC,CAAC;AAEzD,cAAc;AACD,QAAA,cAAc,GAAG,MAAM,CAAC,MAAM,CAAC;IAC1C,GAAG,EAAE,KAAK;IACV,QAAQ,EAAE,WAAW;IACrB,GAAG,EAAE,KAAK;CACF,CAAC,CAAC;AAQZ,gBAAgB;AAChB,MAAa,0BAA2B,SAAQ,0BAAgC;IAK9E,YAAY,EAAM,EAAE,KAAqB,EAAE,OAAiC;QAC1E,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,QAAQ,KAAK,EAAE;YACb,KAAK,sBAAc,CAAC,GAAG;gBACrB,IAAI,CAAC,OAAO,GAAG,CAAC,CAAC;gBACjB,MAAM;YACR,KAAK,sBAAc,CAAC,QAAQ;gBAC1B,IAAI,CAAC,OAAO,GAAG,CAAC,CAAC;gBACjB,MAAM;YACR,KAAK,sBAAc,CAAC,GAAG;gBACrB,IAAI,CAAC,OAAO,GAAG,CAAC,CAAC;gBACjB,MAAM;YACR;gBACE,IAAI,CAAC,OAAO,GAAG,CAAC,CAAC;gBACjB,MAAM;SACT;QAED,IAAI,CAAC,KAAK,GAAG,KAAK,CAAC;IACrB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAAkC;QAElC,MAAM,KAAK,GAAG,IAAI,CAAC,KAAK,CAAC;QAEzB,IAAI,CAAC,WAAW,CAAC,GAAG,CAAC,KAAK,CAAC,EAAE;YAC3B,OAAO,QAAQ,CACb,IAAI,iCAAyB,CAC3B,mCAAmC,IAAA,oBAAY,EAAC,sBAAc,CAAC,GAAG,CACnE,CACF,CAAC;SACH;QAED,+CAA+C;QAC/C,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,EAAE,OAAO,EAAE,IAAI,CAAC,OAAO,EAAE,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;YAC5E,IAAI,GAAG,IAAI,IAAI,IAAI,GAAG,CAAC,EAAE,KAAK,CAAC;gBAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,KAAK,CAAC,CAAC;YACnE,OAAO,GAAG,IAAI,IAAI;gBAChB,CAAC,CAAC,QAAQ,CAAC,GAAG,CAAC;gBACf,CAAC,CAAC,QAAQ,CAAC,IAAI,yBAAiB,CAAC,4BAA4B,CAAC,CAAC,CAAC;QACpE,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAjDD,gEAiDC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/stats.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/stats.js
new file mode 100644
index 000000000..21b736dfc
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/stats.js
@@ -0,0 +1,48 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DbStatsOperation = exports.CollStatsOperation = void 0;
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/**
+ * Get all the collection statistics.
+ * @internal
+ */
+class CollStatsOperation extends command_1.CommandOperation {
+    /**
+     * Construct a Stats operation.
+     *
+     * @param collection - Collection instance
+     * @param options - Optional settings. See Collection.prototype.stats for a list of options.
+     */
+    constructor(collection, options) {
+        super(collection, options);
+        this.options = options !== null && options !== void 0 ? options : {};
+        this.collectionName = collection.collectionName;
+    }
+    execute(server, session, callback) {
+        const command = { collStats: this.collectionName };
+        if (this.options.scale != null) {
+            command.scale = this.options.scale;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.CollStatsOperation = CollStatsOperation;
+/** @internal */
+class DbStatsOperation extends command_1.CommandOperation {
+    constructor(db, options) {
+        super(db, options);
+        this.options = options;
+    }
+    execute(server, session, callback) {
+        const command = { dbStats: true };
+        if (this.options.scale != null) {
+            command.scale = this.options.scale;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.DbStatsOperation = DbStatsOperation;
+(0, operation_1.defineAspects)(CollStatsOperation, [operation_1.Aspect.READ_OPERATION]);
+(0, operation_1.defineAspects)(DbStatsOperation, [operation_1.Aspect.READ_OPERATION]);
+//# sourceMappingURL=stats.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/stats.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/stats.js.map
new file mode 100644
index 000000000..aca364553
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/stats.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"stats.js","sourceRoot":"","sources":["../../src/operations/stats.ts"],"names":[],"mappings":";;;AAMA,uCAAsE;AACtE,2CAAoD;AAQpD;;;GAGG;AACH,MAAa,kBAAmB,SAAQ,0BAA0B;IAIhE;;;;;OAKG;IACH,YAAY,UAAsB,EAAE,OAA0B;QAC5D,KAAK,CAAC,UAAU,EAAE,OAAO,CAAC,CAAC;QAC3B,IAAI,CAAC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QAC7B,IAAI,CAAC,cAAc,GAAG,UAAU,CAAC,cAAc,CAAC;IAClD,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA6B;QAE7B,MAAM,OAAO,GAAa,EAAE,SAAS,EAAE,IAAI,CAAC,cAAc,EAAE,CAAC;QAC7D,IAAI,IAAI,CAAC,OAAO,CAAC,KAAK,IAAI,IAAI,EAAE;YAC9B,OAAO,CAAC,KAAK,GAAG,IAAI,CAAC,OAAO,CAAC,KAAK,CAAC;SACpC;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC3D,CAAC;CACF;AA5BD,gDA4BC;AAQD,gBAAgB;AAChB,MAAa,gBAAiB,SAAQ,0BAA0B;IAG9D,YAAY,EAAM,EAAE,OAAuB;QACzC,KAAK,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QACnB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;QAE5B,MAAM,OAAO,GAAa,EAAE,OAAO,EAAE,IAAI,EAAE,CAAC;QAC5C,IAAI,IAAI,CAAC,OAAO,CAAC,KAAK,IAAI,IAAI,EAAE;YAC9B,OAAO,CAAC,KAAK,GAAG,IAAI,CAAC,OAAO,CAAC,KAAK,CAAC;SACpC;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC3D,CAAC;CACF;AApBD,4CAoBC;AAiMD,IAAA,yBAAa,EAAC,kBAAkB,EAAE,CAAC,kBAAM,CAAC,cAAc,CAAC,CAAC,CAAC;AAC3D,IAAA,yBAAa,EAAC,gBAAgB,EAAE,CAAC,kBAAM,CAAC,cAAc,CAAC,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/update.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/update.js
new file mode 100644
index 000000000..03c825ec7
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/update.js
@@ -0,0 +1,200 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.makeUpdateStatement = exports.ReplaceOneOperation = exports.UpdateManyOperation = exports.UpdateOneOperation = exports.UpdateOperation = void 0;
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const command_1 = require("./command");
+const operation_1 = require("./operation");
+/** @internal */
+class UpdateOperation extends command_1.CommandOperation {
+    constructor(ns, statements, options) {
+        super(undefined, options);
+        this.options = options;
+        this.ns = ns;
+        this.statements = statements;
+    }
+    get canRetryWrite() {
+        if (super.canRetryWrite === false) {
+            return false;
+        }
+        return this.statements.every(op => op.multi == null || op.multi === false);
+    }
+    execute(server, session, callback) {
+        var _a;
+        const options = (_a = this.options) !== null && _a !== void 0 ? _a : {};
+        const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+        const command = {
+            update: this.ns.collection,
+            updates: this.statements,
+            ordered
+        };
+        if (typeof options.bypassDocumentValidation === 'boolean') {
+            command.bypassDocumentValidation = options.bypassDocumentValidation;
+        }
+        if (options.let) {
+            command.let = options.let;
+        }
+        // we check for undefined specifically here to allow falsy values
+        // eslint-disable-next-line no-restricted-syntax
+        if (options.comment !== undefined) {
+            command.comment = options.comment;
+        }
+        const statementWithCollation = this.statements.find(statement => !!statement.collation);
+        if ((0, utils_1.collationNotSupported)(server, options) ||
+            (statementWithCollation && (0, utils_1.collationNotSupported)(server, statementWithCollation))) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name} does not support collation`));
+            return;
+        }
+        const unacknowledgedWrite = this.writeConcern && this.writeConcern.w === 0;
+        if (unacknowledgedWrite || (0, utils_1.maxWireVersion)(server) < 5) {
+            if (this.statements.find((o) => o.hint)) {
+                callback(new error_1.MongoCompatibilityError(`Servers < 3.4 do not support hint on update`));
+                return;
+            }
+        }
+        if (this.explain && (0, utils_1.maxWireVersion)(server) < 3) {
+            callback(new error_1.MongoCompatibilityError(`Server ${server.name} does not support explain on update`));
+            return;
+        }
+        if (this.statements.some(statement => !!statement.arrayFilters) && (0, utils_1.maxWireVersion)(server) < 6) {
+            callback(new error_1.MongoCompatibilityError('Option "arrayFilters" is only supported on MongoDB 3.6+'));
+            return;
+        }
+        super.executeCommand(server, session, command, callback);
+    }
+}
+exports.UpdateOperation = UpdateOperation;
+/** @internal */
+class UpdateOneOperation extends UpdateOperation {
+    constructor(collection, filter, update, options) {
+        super(collection.s.namespace, [makeUpdateStatement(filter, update, { ...options, multi: false })], options);
+        if (!(0, utils_1.hasAtomicOperators)(update)) {
+            throw new error_1.MongoInvalidArgumentError('Update document requires atomic operators');
+        }
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, res) => {
+            var _a, _b;
+            if (err || !res)
+                return callback(err);
+            if (this.explain != null)
+                return callback(undefined, res);
+            if (res.code)
+                return callback(new error_1.MongoServerError(res));
+            if (res.writeErrors)
+                return callback(new error_1.MongoServerError(res.writeErrors[0]));
+            callback(undefined, {
+                acknowledged: (_b = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) !== 0) !== null && _b !== void 0 ? _b : true,
+                modifiedCount: res.nModified != null ? res.nModified : res.n,
+                upsertedId: Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+                upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+                matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+            });
+        });
+    }
+}
+exports.UpdateOneOperation = UpdateOneOperation;
+/** @internal */
+class UpdateManyOperation extends UpdateOperation {
+    constructor(collection, filter, update, options) {
+        super(collection.s.namespace, [makeUpdateStatement(filter, update, { ...options, multi: true })], options);
+        if (!(0, utils_1.hasAtomicOperators)(update)) {
+            throw new error_1.MongoInvalidArgumentError('Update document requires atomic operators');
+        }
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, res) => {
+            var _a, _b;
+            if (err || !res)
+                return callback(err);
+            if (this.explain != null)
+                return callback(undefined, res);
+            if (res.code)
+                return callback(new error_1.MongoServerError(res));
+            if (res.writeErrors)
+                return callback(new error_1.MongoServerError(res.writeErrors[0]));
+            callback(undefined, {
+                acknowledged: (_b = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) !== 0) !== null && _b !== void 0 ? _b : true,
+                modifiedCount: res.nModified != null ? res.nModified : res.n,
+                upsertedId: Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+                upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+                matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+            });
+        });
+    }
+}
+exports.UpdateManyOperation = UpdateManyOperation;
+/** @internal */
+class ReplaceOneOperation extends UpdateOperation {
+    constructor(collection, filter, replacement, options) {
+        super(collection.s.namespace, [makeUpdateStatement(filter, replacement, { ...options, multi: false })], options);
+        if ((0, utils_1.hasAtomicOperators)(replacement)) {
+            throw new error_1.MongoInvalidArgumentError('Replacement document must not contain atomic operators');
+        }
+    }
+    execute(server, session, callback) {
+        super.execute(server, session, (err, res) => {
+            var _a, _b;
+            if (err || !res)
+                return callback(err);
+            if (this.explain != null)
+                return callback(undefined, res);
+            if (res.code)
+                return callback(new error_1.MongoServerError(res));
+            if (res.writeErrors)
+                return callback(new error_1.MongoServerError(res.writeErrors[0]));
+            callback(undefined, {
+                acknowledged: (_b = ((_a = this.writeConcern) === null || _a === void 0 ? void 0 : _a.w) !== 0) !== null && _b !== void 0 ? _b : true,
+                modifiedCount: res.nModified != null ? res.nModified : res.n,
+                upsertedId: Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+                upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+                matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+            });
+        });
+    }
+}
+exports.ReplaceOneOperation = ReplaceOneOperation;
+function makeUpdateStatement(filter, update, options) {
+    if (filter == null || typeof filter !== 'object') {
+        throw new error_1.MongoInvalidArgumentError('Selector must be a valid JavaScript object');
+    }
+    if (update == null || typeof update !== 'object') {
+        throw new error_1.MongoInvalidArgumentError('Document must be a valid JavaScript object');
+    }
+    const op = { q: filter, u: update };
+    if (typeof options.upsert === 'boolean') {
+        op.upsert = options.upsert;
+    }
+    if (options.multi) {
+        op.multi = options.multi;
+    }
+    if (options.hint) {
+        op.hint = options.hint;
+    }
+    if (options.arrayFilters) {
+        op.arrayFilters = options.arrayFilters;
+    }
+    if (options.collation) {
+        op.collation = options.collation;
+    }
+    return op;
+}
+exports.makeUpdateStatement = makeUpdateStatement;
+(0, operation_1.defineAspects)(UpdateOperation, [operation_1.Aspect.RETRYABLE, operation_1.Aspect.WRITE_OPERATION, operation_1.Aspect.SKIP_COLLATION]);
+(0, operation_1.defineAspects)(UpdateOneOperation, [
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.WRITE_OPERATION,
+    operation_1.Aspect.EXPLAINABLE,
+    operation_1.Aspect.SKIP_COLLATION
+]);
+(0, operation_1.defineAspects)(UpdateManyOperation, [
+    operation_1.Aspect.WRITE_OPERATION,
+    operation_1.Aspect.EXPLAINABLE,
+    operation_1.Aspect.SKIP_COLLATION
+]);
+(0, operation_1.defineAspects)(ReplaceOneOperation, [
+    operation_1.Aspect.RETRYABLE,
+    operation_1.Aspect.WRITE_OPERATION,
+    operation_1.Aspect.SKIP_COLLATION
+]);
+//# sourceMappingURL=update.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/update.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/update.js.map
new file mode 100644
index 000000000..bc10fed98
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/update.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"update.js","sourceRoot":"","sources":["../../src/operations/update.ts"],"names":[],"mappings":";;;AAEA,oCAAgG;AAGhG,oCAMkB;AAClB,uCAAwF;AACxF,2CAA0D;AAkD1D,gBAAgB;AAChB,MAAa,eAAgB,SAAQ,0BAA0B;IAI7D,YACE,EAAoB,EACpB,UAA6B,EAC7B,OAA8C;QAE9C,KAAK,CAAC,SAAS,EAAE,OAAO,CAAC,CAAC;QAC1B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,EAAE,GAAG,EAAE,CAAC;QAEb,IAAI,CAAC,UAAU,GAAG,UAAU,CAAC;IAC/B,CAAC;IAED,IAAa,aAAa;QACxB,IAAI,KAAK,CAAC,aAAa,KAAK,KAAK,EAAE;YACjC,OAAO,KAAK,CAAC;SACd;QAED,OAAO,IAAI,CAAC,UAAU,CAAC,KAAK,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,KAAK,IAAI,IAAI,IAAI,EAAE,CAAC,KAAK,KAAK,KAAK,CAAC,CAAC;IAC7E,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;;QAE5B,MAAM,OAAO,GAAG,MAAA,IAAI,CAAC,OAAO,mCAAI,EAAE,CAAC;QACnC,MAAM,OAAO,GAAG,OAAO,OAAO,CAAC,OAAO,KAAK,SAAS,CAAC,CAAC,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC,CAAC,IAAI,CAAC;QAC9E,MAAM,OAAO,GAAa;YACxB,MAAM,EAAE,IAAI,CAAC,EAAE,CAAC,UAAU;YAC1B,OAAO,EAAE,IAAI,CAAC,UAAU;YACxB,OAAO;SACR,CAAC;QAEF,IAAI,OAAO,OAAO,CAAC,wBAAwB,KAAK,SAAS,EAAE;YACzD,OAAO,CAAC,wBAAwB,GAAG,OAAO,CAAC,wBAAwB,CAAC;SACrE;QAED,IAAI,OAAO,CAAC,GAAG,EAAE;YACf,OAAO,CAAC,GAAG,GAAG,OAAO,CAAC,GAAG,CAAC;SAC3B;QAED,iEAAiE;QACjE,gDAAgD;QAChD,IAAI,OAAO,CAAC,OAAO,KAAK,SAAS,EAAE;YACjC,OAAO,CAAC,OAAO,GAAG,OAAO,CAAC,OAAO,CAAC;SACnC;QAED,MAAM,sBAAsB,GAAG,IAAI,CAAC,UAAU,CAAC,IAAI,CAAC,SAAS,CAAC,EAAE,CAAC,CAAC,CAAC,SAAS,CAAC,SAAS,CAAC,CAAC;QACxF,IACE,IAAA,6BAAqB,EAAC,MAAM,EAAE,OAAO,CAAC;YACtC,CAAC,sBAAsB,IAAI,IAAA,6BAAqB,EAAC,MAAM,EAAE,sBAAsB,CAAC,CAAC,EACjF;YACA,QAAQ,CAAC,IAAI,+BAAuB,CAAC,UAAU,MAAM,CAAC,IAAI,6BAA6B,CAAC,CAAC,CAAC;YAC1F,OAAO;SACR;QAED,MAAM,mBAAmB,GAAG,IAAI,CAAC,YAAY,IAAI,IAAI,CAAC,YAAY,CAAC,CAAC,KAAK,CAAC,CAAC;QAC3E,IAAI,mBAAmB,IAAI,IAAA,sBAAc,EAAC,MAAM,CAAC,GAAG,CAAC,EAAE;YACrD,IAAI,IAAI,CAAC,UAAU,CAAC,IAAI,CAAC,CAAC,CAAW,EAAE,EAAE,CAAC,CAAC,CAAC,IAAI,CAAC,EAAE;gBACjD,QAAQ,CAAC,IAAI,+BAAuB,CAAC,6CAA6C,CAAC,CAAC,CAAC;gBACrF,OAAO;aACR;SACF;QAED,IAAI,IAAI,CAAC,OAAO,IAAI,IAAA,sBAAc,EAAC,MAAM,CAAC,GAAG,CAAC,EAAE;YAC9C,QAAQ,CACN,IAAI,+BAAuB,CAAC,UAAU,MAAM,CAAC,IAAI,qCAAqC,CAAC,CACxF,CAAC;YACF,OAAO;SACR;QAED,IAAI,IAAI,CAAC,UAAU,CAAC,IAAI,CAAC,SAAS,CAAC,EAAE,CAAC,CAAC,CAAC,SAAS,CAAC,YAAY,CAAC,IAAI,IAAA,sBAAc,EAAC,MAAM,CAAC,GAAG,CAAC,EAAE;YAC7F,QAAQ,CACN,IAAI,+BAAuB,CAAC,yDAAyD,CAAC,CACvF,CAAC;YACF,OAAO;SACR;QAED,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,OAAO,EAAE,QAAQ,CAAC,CAAC;IAC3D,CAAC;CACF;AApFD,0CAoFC;AAED,gBAAgB;AAChB,MAAa,kBAAmB,SAAQ,eAAe;IACrD,YAAY,UAAsB,EAAE,MAAgB,EAAE,MAAgB,EAAE,OAAsB;QAC5F,KAAK,CACH,UAAU,CAAC,CAAC,CAAC,SAAS,EACtB,CAAC,mBAAmB,CAAC,MAAM,EAAE,MAAM,EAAE,EAAE,GAAG,OAAO,EAAE,KAAK,EAAE,KAAK,EAAE,CAAC,CAAC,EACnE,OAAO,CACR,CAAC;QAEF,IAAI,CAAC,IAAA,0BAAkB,EAAC,MAAM,CAAC,EAAE;YAC/B,MAAM,IAAI,iCAAyB,CAAC,2CAA2C,CAAC,CAAC;SAClF;IACH,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA2C;QAE3C,KAAK,CAAC,OAAO,CAAC,MAAM,EAAE,OAAO,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;;YAC1C,IAAI,GAAG,IAAI,CAAC,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YACtC,IAAI,IAAI,CAAC,OAAO,IAAI,IAAI;gBAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,GAAG,CAAC,CAAC;YAC1D,IAAI,GAAG,CAAC,IAAI;gBAAE,OAAO,QAAQ,CAAC,IAAI,wBAAgB,CAAC,GAAG,CAAC,CAAC,CAAC;YACzD,IAAI,GAAG,CAAC,WAAW;gBAAE,OAAO,QAAQ,CAAC,IAAI,wBAAgB,CAAC,GAAG,CAAC,WAAW,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;YAE/E,QAAQ,CAAC,SAAS,EAAE;gBAClB,YAAY,EAAE,MAAA,CAAA,MAAA,IAAI,CAAC,YAAY,0CAAE,CAAC,MAAK,CAAC,mCAAI,IAAI;gBAChD,aAAa,EAAE,GAAG,CAAC,SAAS,IAAI,IAAI,CAAC,CAAC,CAAC,GAAG,CAAC,SAAS,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC;gBAC5D,UAAU,EACR,KAAK,CAAC,OAAO,CAAC,GAAG,CAAC,QAAQ,CAAC,IAAI,GAAG,CAAC,QAAQ,CAAC,MAAM,GAAG,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,IAAI;gBACrF,aAAa,EAAE,KAAK,CAAC,OAAO,CAAC,GAAG,CAAC,QAAQ,CAAC,IAAI,GAAG,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC,CAAC,GAAG,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC;gBAC3F,YAAY,EAAE,KAAK,CAAC,OAAO,CAAC,GAAG,CAAC,QAAQ,CAAC,IAAI,GAAG,CAAC,QAAQ,CAAC,MAAM,GAAG,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC;aACjF,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AAlCD,gDAkCC;AAED,gBAAgB;AAChB,MAAa,mBAAoB,SAAQ,eAAe;IACtD,YAAY,UAAsB,EAAE,MAAgB,EAAE,MAAgB,EAAE,OAAsB;QAC5F,KAAK,CACH,UAAU,CAAC,CAAC,CAAC,SAAS,EACtB,CAAC,mBAAmB,CAAC,MAAM,EAAE,MAAM,EAAE,EAAE,GAAG,OAAO,EAAE,KAAK,EAAE,IAAI,EAAE,CAAC,CAAC,EAClE,OAAO,CACR,CAAC;QAEF,IAAI,CAAC,IAAA,0BAAkB,EAAC,MAAM,CAAC,EAAE;YAC/B,MAAM,IAAI,iCAAyB,CAAC,2CAA2C,CAAC,CAAC;SAClF;IACH,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA2C;QAE3C,KAAK,CAAC,OAAO,CAAC,MAAM,EAAE,OAAO,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;;YAC1C,IAAI,GAAG,IAAI,CAAC,GAAG;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YACtC,IAAI,IAAI,CAAC,OAAO,IAAI,IAAI;gBAAE,OAAO,QAAQ,CAAC,SAAS,EAAE,GAAG,CAAC,CAAC;YAC1D,IAAI,GAAG,CAAC,IAAI;gBAAE,OAAO,QAAQ,CAAC,IAAI,wBAAgB,CAAC,GAAG,CAAC,CAAC,CAAC;YACzD,IAAI,GAAG,CAAC,WAAW;gBAAE,OAAO,QAAQ,CAAC,IAAI,wBAAgB,CAAC,GAAG,CAAC,WAAW,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;YAE/E,QAAQ,CAAC,SAAS,EAAE;gBAClB,YAAY,EAAE,MAAA,CAAA,MAAA,IAAI,CAAC,YAAY,0CAAE,CAAC,MAAK,CAAC,mCAAI,IAAI;gBAChD,aAAa,EAAE,GAAG,CAAC,SAAS,IAAI,IAAI,CAAC,CAAC,CAAC,GAAG,CAAC,SAAS,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC;gBAC5D,UAAU,EACR,KAAK,CAAC,OAAO,CAAC,GAAG,CAAC,QAAQ,CAAC,IAAI,GAAG,CAA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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/validate_collection.js b/node_modules/mongoose/node_modules/mongodb/lib/operations/validate_collection.js
new file mode 100644
index 000000000..1a7c978ec
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/validate_collection.js
@@ -0,0 +1,41 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ValidateCollectionOperation = void 0;
+const error_1 = require("../error");
+const command_1 = require("./command");
+/** @internal */
+class ValidateCollectionOperation extends command_1.CommandOperation {
+    constructor(admin, collectionName, options) {
+        // Decorate command with extra options
+        const command = { validate: collectionName };
+        const keys = Object.keys(options);
+        for (let i = 0; i < keys.length; i++) {
+            if (Object.prototype.hasOwnProperty.call(options, keys[i]) && keys[i] !== 'session') {
+                command[keys[i]] = options[keys[i]];
+            }
+        }
+        super(admin.s.db, options);
+        this.options = options;
+        this.command = command;
+        this.collectionName = collectionName;
+    }
+    execute(server, session, callback) {
+        const collectionName = this.collectionName;
+        super.executeCommand(server, session, this.command, (err, doc) => {
+            if (err != null)
+                return callback(err);
+            // TODO(NODE-3483): Replace these with MongoUnexpectedServerResponseError
+            if (doc.ok === 0)
+                return callback(new error_1.MongoRuntimeError('Error with validate command'));
+            if (doc.result != null && typeof doc.result !== 'string')
+                return callback(new error_1.MongoRuntimeError('Error with validation data'));
+            if (doc.result != null && doc.result.match(/exception|corrupt/) != null)
+                return callback(new error_1.MongoRuntimeError(`Invalid collection ${collectionName}`));
+            if (doc.valid != null && !doc.valid)
+                return callback(new error_1.MongoRuntimeError(`Invalid collection ${collectionName}`));
+            return callback(undefined, doc);
+        });
+    }
+}
+exports.ValidateCollectionOperation = ValidateCollectionOperation;
+//# sourceMappingURL=validate_collection.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/operations/validate_collection.js.map b/node_modules/mongoose/node_modules/mongodb/lib/operations/validate_collection.js.map
new file mode 100644
index 000000000..9d72c4185
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/operations/validate_collection.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"validate_collection.js","sourceRoot":"","sources":["../../src/operations/validate_collection.ts"],"names":[],"mappings":";;;AAEA,oCAA6C;AAI7C,uCAAsE;AAQtE,gBAAgB;AAChB,MAAa,2BAA4B,SAAQ,0BAA0B;IAKzE,YAAY,KAAY,EAAE,cAAsB,EAAE,OAAkC;QAClF,sCAAsC;QACtC,MAAM,OAAO,GAAa,EAAE,QAAQ,EAAE,cAAc,EAAE,CAAC;QACvD,MAAM,IAAI,GAAG,MAAM,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;QAClC,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;YACpC,IAAI,MAAM,CAAC,SAAS,CAAC,cAAc,CAAC,IAAI,CAAC,OAAO,EAAE,IAAI,CAAC,CAAC,CAAC,CAAC,IAAI,IAAI,CAAC,CAAC,CAAC,KAAK,SAAS,EAAE;gBACnF,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,GAAI,OAAoB,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC;aACnD;SACF;QAED,KAAK,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,EAAE,OAAO,CAAC,CAAC;QAC3B,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;QACvB,IAAI,CAAC,cAAc,GAAG,cAAc,CAAC;IACvC,CAAC;IAEQ,OAAO,CACd,MAAc,EACd,OAAkC,EAClC,QAA4B;QAE5B,MAAM,cAAc,GAAG,IAAI,CAAC,cAAc,CAAC;QAE3C,KAAK,CAAC,cAAc,CAAC,MAAM,EAAE,OAAO,EAAE,IAAI,CAAC,OAAO,EAAE,CAAC,GAAG,EAAE,GAAG,EAAE,EAAE;YAC/D,IAAI,GAAG,IAAI,IAAI;gBAAE,OAAO,QAAQ,CAAC,GAAG,CAAC,CAAC;YAEtC,yEAAyE;YACzE,IAAI,GAAG,CAAC,EAAE,KAAK,CAAC;gBAAE,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,6BAA6B,CAAC,CAAC,CAAC;YACxF,IAAI,GAAG,CAAC,MAAM,IAAI,IAAI,IAAI,OAAO,GAAG,CAAC,MAAM,KAAK,QAAQ;gBACtD,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,4BAA4B,CAAC,CAAC,CAAC;YACvE,IAAI,GAAG,CAAC,MAAM,IAAI,IAAI,IAAI,GAAG,CAAC,MAAM,CAAC,KAAK,CAAC,mBAAmB,CAAC,IAAI,IAAI;gBACrE,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,sBAAsB,cAAc,EAAE,CAAC,CAAC,CAAC;YACjF,IAAI,GAAG,CAAC,KAAK,IAAI,IAAI,IAAI,CAAC,GAAG,CAAC,KAAK;gBACjC,OAAO,QAAQ,CAAC,IAAI,yBAAiB,CAAC,sBAAsB,cAAc,EAAE,CAAC,CAAC,CAAC;YAEjF,OAAO,QAAQ,CAAC,SAAS,EAAE,GAAG,CAAC,CAAC;QAClC,CAAC,CAAC,CAAC;IACL,CAAC;CACF;AA3CD,kEA2CC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/promise_provider.js b/node_modules/mongoose/node_modules/mongodb/lib/promise_provider.js
new file mode 100644
index 000000000..e76480a29
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/promise_provider.js
@@ -0,0 +1,36 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.PromiseProvider = void 0;
+const error_1 = require("./error");
+/** @internal */
+const kPromise = Symbol('promise');
+const store = {
+    [kPromise]: undefined
+};
+/**
+ * Global promise store allowing user-provided promises
+ * @public
+ */
+class PromiseProvider {
+    /** Validates the passed in promise library */
+    static validate(lib) {
+        if (typeof lib !== 'function')
+            throw new error_1.MongoInvalidArgumentError(`Promise must be a function, got ${lib}`);
+        return !!lib;
+    }
+    /** Sets the promise library */
+    static set(lib) {
+        if (!PromiseProvider.validate(lib)) {
+            // validate
+            return;
+        }
+        store[kPromise] = lib;
+    }
+    /** Get the stored promise library, or resolves passed in */
+    static get() {
+        return store[kPromise];
+    }
+}
+exports.PromiseProvider = PromiseProvider;
+PromiseProvider.set(global.Promise);
+//# sourceMappingURL=promise_provider.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/promise_provider.js.map b/node_modules/mongoose/node_modules/mongodb/lib/promise_provider.js.map
new file mode 100644
index 000000000..703bee2c9
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/promise_provider.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"promise_provider.js","sourceRoot":"","sources":["../src/promise_provider.ts"],"names":[],"mappings":";;;AAAA,mCAAoD;AAEpD,gBAAgB;AAChB,MAAM,QAAQ,GAAG,MAAM,CAAC,SAAS,CAAC,CAAC;AAMnC,MAAM,KAAK,GAAiB;IAC1B,CAAC,QAAQ,CAAC,EAAE,SAAS;CACtB,CAAC;AAEF;;;GAGG;AACH,MAAa,eAAe;IAC1B,8CAA8C;IAC9C,MAAM,CAAC,QAAQ,CAAC,GAAY;QAC1B,IAAI,OAAO,GAAG,KAAK,UAAU;YAC3B,MAAM,IAAI,iCAAyB,CAAC,mCAAmC,GAAG,EAAE,CAAC,CAAC;QAChF,OAAO,CAAC,CAAC,GAAG,CAAC;IACf,CAAC;IAED,+BAA+B;IAC/B,MAAM,CAAC,GAAG,CAAC,GAAuB;QAChC,IAAI,CAAC,eAAe,CAAC,QAAQ,CAAC,GAAG,CAAC,EAAE;YAClC,WAAW;YACX,OAAO;SACR;QACD,KAAK,CAAC,QAAQ,CAAC,GAAG,GAAG,CAAC;IACxB,CAAC;IAED,4DAA4D;IAC5D,MAAM,CAAC,GAAG;QACR,OAAO,KAAK,CAAC,QAAQ,CAAuB,CAAC;IAC/C,CAAC;CACF;AArBD,0CAqBC;AAED,eAAe,CAAC,GAAG,CAAC,MAAM,CAAC,OAAO,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/read_concern.js b/node_modules/mongoose/node_modules/mongodb/lib/read_concern.js
new file mode 100644
index 000000000..9b1e067a9
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/read_concern.js
@@ -0,0 +1,74 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ReadConcern = exports.ReadConcernLevel = void 0;
+/** @public */
+exports.ReadConcernLevel = Object.freeze({
+    local: 'local',
+    majority: 'majority',
+    linearizable: 'linearizable',
+    available: 'available',
+    snapshot: 'snapshot'
+});
+/**
+ * The MongoDB ReadConcern, which allows for control of the consistency and isolation properties
+ * of the data read from replica sets and replica set shards.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/reference/read-concern/index.html
+ */
+class ReadConcern {
+    /** Constructs a ReadConcern from the read concern level.*/
+    constructor(level) {
+        var _a;
+        /**
+         * A spec test exists that allows level to be any string.
+         * "invalid readConcern with out stage"
+         * @see ./test/spec/crud/v2/aggregate-out-readConcern.json
+         * @see https://github.com/mongodb/specifications/blob/master/source/read-write-concern/read-write-concern.rst#unknown-levels-and-additional-options-for-string-based-readconcerns
+         */
+        this.level = (_a = exports.ReadConcernLevel[level]) !== null && _a !== void 0 ? _a : level;
+    }
+    /**
+     * Construct a ReadConcern given an options object.
+     *
+     * @param options - The options object from which to extract the write concern.
+     */
+    static fromOptions(options) {
+        if (options == null) {
+            return;
+        }
+        if (options.readConcern) {
+            const { readConcern } = options;
+            if (readConcern instanceof ReadConcern) {
+                return readConcern;
+            }
+            else if (typeof readConcern === 'string') {
+                return new ReadConcern(readConcern);
+            }
+            else if ('level' in readConcern && readConcern.level) {
+                return new ReadConcern(readConcern.level);
+            }
+        }
+        if (options.level) {
+            return new ReadConcern(options.level);
+        }
+        return;
+    }
+    static get MAJORITY() {
+        return exports.ReadConcernLevel.majority;
+    }
+    static get AVAILABLE() {
+        return exports.ReadConcernLevel.available;
+    }
+    static get LINEARIZABLE() {
+        return exports.ReadConcernLevel.linearizable;
+    }
+    static get SNAPSHOT() {
+        return exports.ReadConcernLevel.snapshot;
+    }
+    toJSON() {
+        return { level: this.level };
+    }
+}
+exports.ReadConcern = ReadConcern;
+//# sourceMappingURL=read_concern.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/read_concern.js.map b/node_modules/mongoose/node_modules/mongodb/lib/read_concern.js.map
new file mode 100644
index 000000000..3f74a96e6
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/read_concern.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"read_concern.js","sourceRoot":"","sources":["../src/read_concern.ts"],"names":[],"mappings":";;;AAEA,cAAc;AACD,QAAA,gBAAgB,GAAG,MAAM,CAAC,MAAM,CAAC;IAC5C,KAAK,EAAE,OAAO;IACd,QAAQ,EAAE,UAAU;IACpB,YAAY,EAAE,cAAc;IAC5B,SAAS,EAAE,WAAW;IACtB,QAAQ,EAAE,UAAU;CACZ,CAAC,CAAC;AAQZ;;;;;;GAMG;AACH,MAAa,WAAW;IAGtB,2DAA2D;IAC3D,YAAY,KAAuB;;QACjC;;;;;WAKG;QACH,IAAI,CAAC,KAAK,GAAG,MAAA,wBAAgB,CAAC,KAAK,CAAC,mCAAI,KAAK,CAAC;IAChD,CAAC;IAED;;;;OAIG;IACH,MAAM,CAAC,WAAW,CAAC,OAGlB;QACC,IAAI,OAAO,IAAI,IAAI,EAAE;YACnB,OAAO;SACR;QAED,IAAI,OAAO,CAAC,WAAW,EAAE;YACvB,MAAM,EAAE,WAAW,EAAE,GAAG,OAAO,CAAC;YAChC,IAAI,WAAW,YAAY,WAAW,EAAE;gBACtC,OAAO,WAAW,CAAC;aACpB;iBAAM,IAAI,OAAO,WAAW,KAAK,QAAQ,EAAE;gBAC1C,OAAO,IAAI,WAAW,CAAC,WAAW,CAAC,CAAC;aACrC;iBAAM,IAAI,OAAO,IAAI,WAAW,IAAI,WAAW,CAAC,KAAK,EAAE;gBACtD,OAAO,IAAI,WAAW,CAAC,WAAW,CAAC,KAAK,CAAC,CAAC;aAC3C;SACF;QAED,IAAI,OAAO,CAAC,KAAK,EAAE;YACjB,OAAO,IAAI,WAAW,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC;SACvC;QACD,OAAO;IACT,CAAC;IAED,MAAM,KAAK,QAAQ;QACjB,OAAO,wBAAgB,CAAC,QAAQ,CAAC;IACnC,CAAC;IAED,MAAM,KAAK,SAAS;QAClB,OAAO,wBAAgB,CAAC,SAAS,CAAC;IACpC,CAAC;IAED,MAAM,KAAK,YAAY;QACrB,OAAO,wBAAgB,CAAC,YAAY,CAAC;IACvC,CAAC;IAED,MAAM,KAAK,QAAQ;QACjB,OAAO,wBAAgB,CAAC,QAAQ,CAAC;IACnC,CAAC;IAED,MAAM;QACJ,OAAO,EAAE,KAAK,EAAE,IAAI,CAAC,KAAK,EAAE,CAAC;IAC/B,CAAC;CACF;AA/DD,kCA+DC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/read_preference.js b/node_modules/mongoose/node_modules/mongodb/lib/read_preference.js
new file mode 100644
index 000000000..6df80eff8
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/read_preference.js
@@ -0,0 +1,204 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ReadPreference = exports.ReadPreferenceMode = void 0;
+const error_1 = require("./error");
+/** @public */
+exports.ReadPreferenceMode = Object.freeze({
+    primary: 'primary',
+    primaryPreferred: 'primaryPreferred',
+    secondary: 'secondary',
+    secondaryPreferred: 'secondaryPreferred',
+    nearest: 'nearest'
+});
+/**
+ * The **ReadPreference** class is a class that represents a MongoDB ReadPreference and is
+ * used to construct connections.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/core/read-preference/
+ */
+class ReadPreference {
+    /**
+     * @param mode - A string describing the read preference mode (primary|primaryPreferred|secondary|secondaryPreferred|nearest)
+     * @param tags - A tag set used to target reads to members with the specified tag(s). tagSet is not available if using read preference mode primary.
+     * @param options - Additional read preference options
+     */
+    constructor(mode, tags, options) {
+        if (!ReadPreference.isValid(mode)) {
+            throw new error_1.MongoInvalidArgumentError(`Invalid read preference mode ${JSON.stringify(mode)}`);
+        }
+        if (options == null && typeof tags === 'object' && !Array.isArray(tags)) {
+            options = tags;
+            tags = undefined;
+        }
+        else if (tags && !Array.isArray(tags)) {
+            throw new error_1.MongoInvalidArgumentError('ReadPreference tags must be an array');
+        }
+        this.mode = mode;
+        this.tags = tags;
+        this.hedge = options === null || options === void 0 ? void 0 : options.hedge;
+        this.maxStalenessSeconds = undefined;
+        this.minWireVersion = undefined;
+        options = options !== null && options !== void 0 ? options : {};
+        if (options.maxStalenessSeconds != null) {
+            if (options.maxStalenessSeconds <= 0) {
+                throw new error_1.MongoInvalidArgumentError('maxStalenessSeconds must be a positive integer');
+            }
+            this.maxStalenessSeconds = options.maxStalenessSeconds;
+            // NOTE: The minimum required wire version is 5 for this read preference. If the existing
+            //       topology has a lower value then a MongoError will be thrown during server selection.
+            this.minWireVersion = 5;
+        }
+        if (this.mode === ReadPreference.PRIMARY) {
+            if (this.tags && Array.isArray(this.tags) && this.tags.length > 0) {
+                throw new error_1.MongoInvalidArgumentError('Primary read preference cannot be combined with tags');
+            }
+            if (this.maxStalenessSeconds) {
+                throw new error_1.MongoInvalidArgumentError('Primary read preference cannot be combined with maxStalenessSeconds');
+            }
+            if (this.hedge) {
+                throw new error_1.MongoInvalidArgumentError('Primary read preference cannot be combined with hedge');
+            }
+        }
+    }
+    // Support the deprecated `preference` property introduced in the porcelain layer
+    get preference() {
+        return this.mode;
+    }
+    static fromString(mode) {
+        return new ReadPreference(mode);
+    }
+    /**
+     * Construct a ReadPreference given an options object.
+     *
+     * @param options - The options object from which to extract the read preference.
+     */
+    static fromOptions(options) {
+        var _a, _b, _c;
+        if (!options)
+            return;
+        const readPreference = (_a = options.readPreference) !== null && _a !== void 0 ? _a : (_b = options.session) === null || _b === void 0 ? void 0 : _b.transaction.options.readPreference;
+        const readPreferenceTags = options.readPreferenceTags;
+        if (readPreference == null) {
+            return;
+        }
+        if (typeof readPreference === 'string') {
+            return new ReadPreference(readPreference, readPreferenceTags, {
+                maxStalenessSeconds: options.maxStalenessSeconds,
+                hedge: options.hedge
+            });
+        }
+        else if (!(readPreference instanceof ReadPreference) && typeof readPreference === 'object') {
+            const mode = readPreference.mode || readPreference.preference;
+            if (mode && typeof mode === 'string') {
+                return new ReadPreference(mode, (_c = readPreference.tags) !== null && _c !== void 0 ? _c : readPreferenceTags, {
+                    maxStalenessSeconds: readPreference.maxStalenessSeconds,
+                    hedge: options.hedge
+                });
+            }
+        }
+        if (readPreferenceTags) {
+            readPreference.tags = readPreferenceTags;
+        }
+        return readPreference;
+    }
+    /**
+     * Replaces options.readPreference with a ReadPreference instance
+     */
+    static translate(options) {
+        if (options.readPreference == null)
+            return options;
+        const r = options.readPreference;
+        if (typeof r === 'string') {
+            options.readPreference = new ReadPreference(r);
+        }
+        else if (r && !(r instanceof ReadPreference) && typeof r === 'object') {
+            const mode = r.mode || r.preference;
+            if (mode && typeof mode === 'string') {
+                options.readPreference = new ReadPreference(mode, r.tags, {
+                    maxStalenessSeconds: r.maxStalenessSeconds
+                });
+            }
+        }
+        else if (!(r instanceof ReadPreference)) {
+            throw new error_1.MongoInvalidArgumentError(`Invalid read preference: ${r}`);
+        }
+        return options;
+    }
+    /**
+     * Validate if a mode is legal
+     *
+     * @param mode - The string representing the read preference mode.
+     */
+    static isValid(mode) {
+        const VALID_MODES = new Set([
+            ReadPreference.PRIMARY,
+            ReadPreference.PRIMARY_PREFERRED,
+            ReadPreference.SECONDARY,
+            ReadPreference.SECONDARY_PREFERRED,
+            ReadPreference.NEAREST,
+            null
+        ]);
+        return VALID_MODES.has(mode);
+    }
+    /**
+     * Validate if a mode is legal
+     *
+     * @param mode - The string representing the read preference mode.
+     */
+    isValid(mode) {
+        return ReadPreference.isValid(typeof mode === 'string' ? mode : this.mode);
+    }
+    /**
+     * Indicates that this readPreference needs the "secondaryOk" bit when sent over the wire
+     * @deprecated Use secondaryOk instead
+     * @see https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query
+     */
+    slaveOk() {
+        return this.secondaryOk();
+    }
+    /**
+     * Indicates that this readPreference needs the "SecondaryOk" bit when sent over the wire
+     * @see https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query
+     */
+    secondaryOk() {
+        const NEEDS_SECONDARYOK = new Set([
+            ReadPreference.PRIMARY_PREFERRED,
+            ReadPreference.SECONDARY,
+            ReadPreference.SECONDARY_PREFERRED,
+            ReadPreference.NEAREST
+        ]);
+        return NEEDS_SECONDARYOK.has(this.mode);
+    }
+    /**
+     * Check if the two ReadPreferences are equivalent
+     *
+     * @param readPreference - The read preference with which to check equality
+     */
+    equals(readPreference) {
+        return readPreference.mode === this.mode;
+    }
+    /** Return JSON representation */
+    toJSON() {
+        const readPreference = { mode: this.mode };
+        if (Array.isArray(this.tags))
+            readPreference.tags = this.tags;
+        if (this.maxStalenessSeconds)
+            readPreference.maxStalenessSeconds = this.maxStalenessSeconds;
+        if (this.hedge)
+            readPreference.hedge = this.hedge;
+        return readPreference;
+    }
+}
+exports.ReadPreference = ReadPreference;
+ReadPreference.PRIMARY = exports.ReadPreferenceMode.primary;
+ReadPreference.PRIMARY_PREFERRED = exports.ReadPreferenceMode.primaryPreferred;
+ReadPreference.SECONDARY = exports.ReadPreferenceMode.secondary;
+ReadPreference.SECONDARY_PREFERRED = exports.ReadPreferenceMode.secondaryPreferred;
+ReadPreference.NEAREST = exports.ReadPreferenceMode.nearest;
+ReadPreference.primary = new ReadPreference(exports.ReadPreferenceMode.primary);
+ReadPreference.primaryPreferred = new ReadPreference(exports.ReadPreferenceMode.primaryPreferred);
+ReadPreference.secondary = new ReadPreference(exports.ReadPreferenceMode.secondary);
+ReadPreference.secondaryPreferred = new ReadPreference(exports.ReadPreferenceMode.secondaryPreferred);
+ReadPreference.nearest = new ReadPreference(exports.ReadPreferenceMode.nearest);
+//# sourceMappingURL=read_preference.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/read_preference.js.map b/node_modules/mongoose/node_modules/mongodb/lib/read_preference.js.map
new file mode 100644
index 000000000..120e51ea0
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/read_preference.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/common.js b/node_modules/mongoose/node_modules/mongodb/lib/sdam/common.js
new file mode 100644
index 000000000..60b96aa30
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/common.js
@@ -0,0 +1,56 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports._advanceClusterTime = exports.drainTimerQueue = exports.ServerType = exports.TopologyType = exports.STATE_CONNECTED = exports.STATE_CONNECTING = exports.STATE_CLOSED = exports.STATE_CLOSING = void 0;
+const timers_1 = require("timers");
+// shared state names
+exports.STATE_CLOSING = 'closing';
+exports.STATE_CLOSED = 'closed';
+exports.STATE_CONNECTING = 'connecting';
+exports.STATE_CONNECTED = 'connected';
+/**
+ * An enumeration of topology types we know about
+ * @public
+ */
+exports.TopologyType = Object.freeze({
+    Single: 'Single',
+    ReplicaSetNoPrimary: 'ReplicaSetNoPrimary',
+    ReplicaSetWithPrimary: 'ReplicaSetWithPrimary',
+    Sharded: 'Sharded',
+    Unknown: 'Unknown',
+    LoadBalanced: 'LoadBalanced'
+});
+/**
+ * An enumeration of server types we know about
+ * @public
+ */
+exports.ServerType = Object.freeze({
+    Standalone: 'Standalone',
+    Mongos: 'Mongos',
+    PossiblePrimary: 'PossiblePrimary',
+    RSPrimary: 'RSPrimary',
+    RSSecondary: 'RSSecondary',
+    RSArbiter: 'RSArbiter',
+    RSOther: 'RSOther',
+    RSGhost: 'RSGhost',
+    Unknown: 'Unknown',
+    LoadBalancer: 'LoadBalancer'
+});
+/** @internal */
+function drainTimerQueue(queue) {
+    queue.forEach(timers_1.clearTimeout);
+    queue.clear();
+}
+exports.drainTimerQueue = drainTimerQueue;
+/** Shared function to determine clusterTime for a given topology or session */
+function _advanceClusterTime(entity, $clusterTime) {
+    if (entity.clusterTime == null) {
+        entity.clusterTime = $clusterTime;
+    }
+    else {
+        if ($clusterTime.clusterTime.greaterThan(entity.clusterTime.clusterTime)) {
+            entity.clusterTime = $clusterTime;
+        }
+    }
+}
+exports._advanceClusterTime = _advanceClusterTime;
+//# sourceMappingURL=common.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/common.js.map b/node_modules/mongoose/node_modules/mongodb/lib/sdam/common.js.map
new file mode 100644
index 000000000..95a76c42d
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/common.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"common.js","sourceRoot":"","sources":["../../src/sdam/common.ts"],"names":[],"mappings":";;;AAAA,mCAAsC;AAMtC,qBAAqB;AACR,QAAA,aAAa,GAAG,SAAS,CAAC;AAC1B,QAAA,YAAY,GAAG,QAAQ,CAAC;AACxB,QAAA,gBAAgB,GAAG,YAAY,CAAC;AAChC,QAAA,eAAe,GAAG,WAAW,CAAC;AAE3C;;;GAGG;AACU,QAAA,YAAY,GAAG,MAAM,CAAC,MAAM,CAAC;IACxC,MAAM,EAAE,QAAQ;IAChB,mBAAmB,EAAE,qBAAqB;IAC1C,qBAAqB,EAAE,uBAAuB;IAC9C,OAAO,EAAE,SAAS;IAClB,OAAO,EAAE,SAAS;IAClB,YAAY,EAAE,cAAc;CACpB,CAAC,CAAC;AAKZ;;;GAGG;AACU,QAAA,UAAU,GAAG,MAAM,CAAC,MAAM,CAAC;IACtC,UAAU,EAAE,YAAY;IACxB,MAAM,EAAE,QAAQ;IAChB,eAAe,EAAE,iBAAiB;IAClC,SAAS,EAAE,WAAW;IACtB,WAAW,EAAE,aAAa;IAC1B,SAAS,EAAE,WAAW;IACtB,OAAO,EAAE,SAAS;IAClB,OAAO,EAAE,SAAS;IAClB,OAAO,EAAE,SAAS;IAClB,YAAY,EAAE,cAAc;CACpB,CAAC,CAAC;AAQZ,gBAAgB;AAChB,SAAgB,eAAe,CAAC,KAAiB;IAC/C,KAAK,CAAC,OAAO,CAAC,qBAAY,CAAC,CAAC;IAC5B,KAAK,CAAC,KAAK,EAAE,CAAC;AAChB,CAAC;AAHD,0CAGC;AAWD,+EAA+E;AAC/E,SAAgB,mBAAmB,CACjC,MAAgC,EAChC,YAAyB;IAEzB,IAAI,MAAM,CAAC,WAAW,IAAI,IAAI,EAAE;QAC9B,MAAM,CAAC,WAAW,GAAG,YAAY,CAAC;KACnC;SAAM;QACL,IAAI,YAAY,CAAC,WAAW,CAAC,WAAW,CAAC,MAAM,CAAC,WAAW,CAAC,WAAW,CAAC,EAAE;YACxE,MAAM,CAAC,WAAW,GAAG,YAAY,CAAC;SACnC;KACF;AACH,CAAC;AAXD,kDAWC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/events.js b/node_modules/mongoose/node_modules/mongodb/lib/sdam/events.js
new file mode 100644
index 000000000..9943108b1
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/events.js
@@ -0,0 +1,125 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ServerHeartbeatFailedEvent = exports.ServerHeartbeatSucceededEvent = exports.ServerHeartbeatStartedEvent = exports.TopologyClosedEvent = exports.TopologyOpeningEvent = exports.TopologyDescriptionChangedEvent = exports.ServerClosedEvent = exports.ServerOpeningEvent = exports.ServerDescriptionChangedEvent = void 0;
+/**
+ * Emitted when server description changes, but does NOT include changes to the RTT.
+ * @public
+ * @category Event
+ */
+class ServerDescriptionChangedEvent {
+    /** @internal */
+    constructor(topologyId, address, previousDescription, newDescription) {
+        this.topologyId = topologyId;
+        this.address = address;
+        this.previousDescription = previousDescription;
+        this.newDescription = newDescription;
+    }
+}
+exports.ServerDescriptionChangedEvent = ServerDescriptionChangedEvent;
+/**
+ * Emitted when server is initialized.
+ * @public
+ * @category Event
+ */
+class ServerOpeningEvent {
+    /** @internal */
+    constructor(topologyId, address) {
+        this.topologyId = topologyId;
+        this.address = address;
+    }
+}
+exports.ServerOpeningEvent = ServerOpeningEvent;
+/**
+ * Emitted when server is closed.
+ * @public
+ * @category Event
+ */
+class ServerClosedEvent {
+    /** @internal */
+    constructor(topologyId, address) {
+        this.topologyId = topologyId;
+        this.address = address;
+    }
+}
+exports.ServerClosedEvent = ServerClosedEvent;
+/**
+ * Emitted when topology description changes.
+ * @public
+ * @category Event
+ */
+class TopologyDescriptionChangedEvent {
+    /** @internal */
+    constructor(topologyId, previousDescription, newDescription) {
+        this.topologyId = topologyId;
+        this.previousDescription = previousDescription;
+        this.newDescription = newDescription;
+    }
+}
+exports.TopologyDescriptionChangedEvent = TopologyDescriptionChangedEvent;
+/**
+ * Emitted when topology is initialized.
+ * @public
+ * @category Event
+ */
+class TopologyOpeningEvent {
+    /** @internal */
+    constructor(topologyId) {
+        this.topologyId = topologyId;
+    }
+}
+exports.TopologyOpeningEvent = TopologyOpeningEvent;
+/**
+ * Emitted when topology is closed.
+ * @public
+ * @category Event
+ */
+class TopologyClosedEvent {
+    /** @internal */
+    constructor(topologyId) {
+        this.topologyId = topologyId;
+    }
+}
+exports.TopologyClosedEvent = TopologyClosedEvent;
+/**
+ * Emitted when the server monitor’s hello command is started - immediately before
+ * the hello command is serialized into raw BSON and written to the socket.
+ *
+ * @public
+ * @category Event
+ */
+class ServerHeartbeatStartedEvent {
+    /** @internal */
+    constructor(connectionId) {
+        this.connectionId = connectionId;
+    }
+}
+exports.ServerHeartbeatStartedEvent = ServerHeartbeatStartedEvent;
+/**
+ * Emitted when the server monitor’s hello succeeds.
+ * @public
+ * @category Event
+ */
+class ServerHeartbeatSucceededEvent {
+    /** @internal */
+    constructor(connectionId, duration, reply) {
+        this.connectionId = connectionId;
+        this.duration = duration;
+        this.reply = reply !== null && reply !== void 0 ? reply : {};
+    }
+}
+exports.ServerHeartbeatSucceededEvent = ServerHeartbeatSucceededEvent;
+/**
+ * Emitted when the server monitor’s hello fails, either with an “ok: 0” or a socket exception.
+ * @public
+ * @category Event
+ */
+class ServerHeartbeatFailedEvent {
+    /** @internal */
+    constructor(connectionId, duration, failure) {
+        this.connectionId = connectionId;
+        this.duration = duration;
+        this.failure = failure;
+    }
+}
+exports.ServerHeartbeatFailedEvent = ServerHeartbeatFailedEvent;
+//# sourceMappingURL=events.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/events.js.map b/node_modules/mongoose/node_modules/mongodb/lib/sdam/events.js.map
new file mode 100644
index 000000000..734a42575
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/events.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/monitor.js b/node_modules/mongoose/node_modules/mongodb/lib/sdam/monitor.js
new file mode 100644
index 000000000..d7e6b9059
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/monitor.js
@@ -0,0 +1,327 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.RTTPinger = exports.Monitor = void 0;
+const timers_1 = require("timers");
+const bson_1 = require("../bson");
+const connect_1 = require("../cmap/connect");
+const connection_1 = require("../cmap/connection");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const mongo_types_1 = require("../mongo_types");
+const utils_1 = require("../utils");
+const common_1 = require("./common");
+const events_1 = require("./events");
+const server_1 = require("./server");
+/** @internal */
+const kServer = Symbol('server');
+/** @internal */
+const kMonitorId = Symbol('monitorId');
+/** @internal */
+const kConnection = Symbol('connection');
+/** @internal */
+const kCancellationToken = Symbol('cancellationToken');
+/** @internal */
+const kRTTPinger = Symbol('rttPinger');
+/** @internal */
+const kRoundTripTime = Symbol('roundTripTime');
+const STATE_IDLE = 'idle';
+const STATE_MONITORING = 'monitoring';
+const stateTransition = (0, utils_1.makeStateMachine)({
+    [common_1.STATE_CLOSING]: [common_1.STATE_CLOSING, STATE_IDLE, common_1.STATE_CLOSED],
+    [common_1.STATE_CLOSED]: [common_1.STATE_CLOSED, STATE_MONITORING],
+    [STATE_IDLE]: [STATE_IDLE, STATE_MONITORING, common_1.STATE_CLOSING],
+    [STATE_MONITORING]: [STATE_MONITORING, STATE_IDLE, common_1.STATE_CLOSING]
+});
+const INVALID_REQUEST_CHECK_STATES = new Set([common_1.STATE_CLOSING, common_1.STATE_CLOSED, STATE_MONITORING]);
+function isInCloseState(monitor) {
+    return monitor.s.state === common_1.STATE_CLOSED || monitor.s.state === common_1.STATE_CLOSING;
+}
+/** @internal */
+class Monitor extends mongo_types_1.TypedEventEmitter {
+    constructor(server, options) {
+        var _a, _b, _c;
+        super();
+        this[kServer] = server;
+        this[kConnection] = undefined;
+        this[kCancellationToken] = new mongo_types_1.CancellationToken();
+        this[kCancellationToken].setMaxListeners(Infinity);
+        this[kMonitorId] = undefined;
+        this.s = {
+            state: common_1.STATE_CLOSED
+        };
+        this.address = server.description.address;
+        this.options = Object.freeze({
+            connectTimeoutMS: (_a = options.connectTimeoutMS) !== null && _a !== void 0 ? _a : 10000,
+            heartbeatFrequencyMS: (_b = options.heartbeatFrequencyMS) !== null && _b !== void 0 ? _b : 10000,
+            minHeartbeatFrequencyMS: (_c = options.minHeartbeatFrequencyMS) !== null && _c !== void 0 ? _c : 500
+        });
+        const cancellationToken = this[kCancellationToken];
+        // TODO: refactor this to pull it directly from the pool, requires new ConnectionPool integration
+        const connectOptions = Object.assign({
+            id: '<monitor>',
+            generation: server.s.pool.generation,
+            connectionType: connection_1.Connection,
+            cancellationToken,
+            hostAddress: server.description.hostAddress
+        }, options, 
+        // force BSON serialization options
+        {
+            raw: false,
+            promoteLongs: true,
+            promoteValues: true,
+            promoteBuffers: true
+        });
+        // ensure no authentication is used for monitoring
+        delete connectOptions.credentials;
+        if (connectOptions.autoEncrypter) {
+            delete connectOptions.autoEncrypter;
+        }
+        this.connectOptions = Object.freeze(connectOptions);
+    }
+    get connection() {
+        return this[kConnection];
+    }
+    connect() {
+        if (this.s.state !== common_1.STATE_CLOSED) {
+            return;
+        }
+        // start
+        const heartbeatFrequencyMS = this.options.heartbeatFrequencyMS;
+        const minHeartbeatFrequencyMS = this.options.minHeartbeatFrequencyMS;
+        this[kMonitorId] = (0, utils_1.makeInterruptibleAsyncInterval)(monitorServer(this), {
+            interval: heartbeatFrequencyMS,
+            minInterval: minHeartbeatFrequencyMS,
+            immediate: true
+        });
+    }
+    requestCheck() {
+        var _a;
+        if (INVALID_REQUEST_CHECK_STATES.has(this.s.state)) {
+            return;
+        }
+        (_a = this[kMonitorId]) === null || _a === void 0 ? void 0 : _a.wake();
+    }
+    reset() {
+        const topologyVersion = this[kServer].description.topologyVersion;
+        if (isInCloseState(this) || topologyVersion == null) {
+            return;
+        }
+        stateTransition(this, common_1.STATE_CLOSING);
+        resetMonitorState(this);
+        // restart monitor
+        stateTransition(this, STATE_IDLE);
+        // restart monitoring
+        const heartbeatFrequencyMS = this.options.heartbeatFrequencyMS;
+        const minHeartbeatFrequencyMS = this.options.minHeartbeatFrequencyMS;
+        this[kMonitorId] = (0, utils_1.makeInterruptibleAsyncInterval)(monitorServer(this), {
+            interval: heartbeatFrequencyMS,
+            minInterval: minHeartbeatFrequencyMS
+        });
+    }
+    close() {
+        if (isInCloseState(this)) {
+            return;
+        }
+        stateTransition(this, common_1.STATE_CLOSING);
+        resetMonitorState(this);
+        // close monitor
+        this.emit('close');
+        stateTransition(this, common_1.STATE_CLOSED);
+    }
+}
+exports.Monitor = Monitor;
+function resetMonitorState(monitor) {
+    var _a, _b, _c;
+    (_a = monitor[kMonitorId]) === null || _a === void 0 ? void 0 : _a.stop();
+    monitor[kMonitorId] = undefined;
+    (_b = monitor[kRTTPinger]) === null || _b === void 0 ? void 0 : _b.close();
+    monitor[kRTTPinger] = undefined;
+    monitor[kCancellationToken].emit('cancel');
+    (_c = monitor[kConnection]) === null || _c === void 0 ? void 0 : _c.destroy({ force: true });
+    monitor[kConnection] = undefined;
+}
+function checkServer(monitor, callback) {
+    let start = (0, utils_1.now)();
+    monitor.emit(server_1.Server.SERVER_HEARTBEAT_STARTED, new events_1.ServerHeartbeatStartedEvent(monitor.address));
+    function failureHandler(err) {
+        var _a;
+        (_a = monitor[kConnection]) === null || _a === void 0 ? void 0 : _a.destroy({ force: true });
+        monitor[kConnection] = undefined;
+        monitor.emit(server_1.Server.SERVER_HEARTBEAT_FAILED, new events_1.ServerHeartbeatFailedEvent(monitor.address, (0, utils_1.calculateDurationInMs)(start), err));
+        monitor.emit('resetServer', err);
+        monitor.emit('resetConnectionPool');
+        callback(err);
+    }
+    const connection = monitor[kConnection];
+    if (connection && !connection.closed) {
+        const { serverApi, helloOk } = connection;
+        const connectTimeoutMS = monitor.options.connectTimeoutMS;
+        const maxAwaitTimeMS = monitor.options.heartbeatFrequencyMS;
+        const topologyVersion = monitor[kServer].description.topologyVersion;
+        const isAwaitable = topologyVersion != null;
+        const cmd = {
+            [(serverApi === null || serverApi === void 0 ? void 0 : serverApi.version) || helloOk ? 'hello' : constants_1.LEGACY_HELLO_COMMAND]: true,
+            ...(isAwaitable && topologyVersion
+                ? { maxAwaitTimeMS, topologyVersion: makeTopologyVersion(topologyVersion) }
+                : {})
+        };
+        const options = isAwaitable
+            ? {
+                socketTimeoutMS: connectTimeoutMS ? connectTimeoutMS + maxAwaitTimeMS : 0,
+                exhaustAllowed: true
+            }
+            : { socketTimeoutMS: connectTimeoutMS };
+        if (isAwaitable && monitor[kRTTPinger] == null) {
+            monitor[kRTTPinger] = new RTTPinger(monitor[kCancellationToken], Object.assign({ heartbeatFrequencyMS: monitor.options.heartbeatFrequencyMS }, monitor.connectOptions));
+        }
+        connection.command((0, utils_1.ns)('admin.$cmd'), cmd, options, (err, hello) => {
+            var _a;
+            if (err) {
+                return failureHandler(err);
+            }
+            if (!('isWritablePrimary' in hello)) {
+                // Provide hello-style response document.
+                hello.isWritablePrimary = hello[constants_1.LEGACY_HELLO_COMMAND];
+            }
+            const rttPinger = monitor[kRTTPinger];
+            const duration = isAwaitable && rttPinger ? rttPinger.roundTripTime : (0, utils_1.calculateDurationInMs)(start);
+            monitor.emit(server_1.Server.SERVER_HEARTBEAT_SUCCEEDED, new events_1.ServerHeartbeatSucceededEvent(monitor.address, duration, hello));
+            // if we are using the streaming protocol then we immediately issue another `started`
+            // event, otherwise the "check" is complete and return to the main monitor loop
+            if (isAwaitable && hello.topologyVersion) {
+                monitor.emit(server_1.Server.SERVER_HEARTBEAT_STARTED, new events_1.ServerHeartbeatStartedEvent(monitor.address));
+                start = (0, utils_1.now)();
+            }
+            else {
+                (_a = monitor[kRTTPinger]) === null || _a === void 0 ? void 0 : _a.close();
+                monitor[kRTTPinger] = undefined;
+                callback(undefined, hello);
+            }
+        });
+        return;
+    }
+    // connecting does an implicit `hello`
+    (0, connect_1.connect)(monitor.connectOptions, (err, conn) => {
+        if (err) {
+            monitor[kConnection] = undefined;
+            // we already reset the connection pool on network errors in all cases
+            if (!(err instanceof error_1.MongoNetworkError)) {
+                monitor.emit('resetConnectionPool');
+            }
+            failureHandler(err);
+            return;
+        }
+        if (conn) {
+            // Tell the connection that we are using the streaming protocol so that the
+            // connection's message stream will only read the last hello on the buffer.
+            conn.isMonitoringConnection = true;
+            if (isInCloseState(monitor)) {
+                conn.destroy({ force: true });
+                return;
+            }
+            monitor[kConnection] = conn;
+            monitor.emit(server_1.Server.SERVER_HEARTBEAT_SUCCEEDED, new events_1.ServerHeartbeatSucceededEvent(monitor.address, (0, utils_1.calculateDurationInMs)(start), conn.hello));
+            callback(undefined, conn.hello);
+        }
+    });
+}
+function monitorServer(monitor) {
+    return (callback) => {
+        stateTransition(monitor, STATE_MONITORING);
+        function done() {
+            if (!isInCloseState(monitor)) {
+                stateTransition(monitor, STATE_IDLE);
+            }
+            callback();
+        }
+        checkServer(monitor, (err, hello) => {
+            if (err) {
+                // otherwise an error occurred on initial discovery, also bail
+                if (monitor[kServer].description.type === common_1.ServerType.Unknown) {
+                    monitor.emit('resetServer', err);
+                    return done();
+                }
+            }
+            // if the check indicates streaming is supported, immediately reschedule monitoring
+            if (hello && hello.topologyVersion) {
+                (0, timers_1.setTimeout)(() => {
+                    var _a;
+                    if (!isInCloseState(monitor)) {
+                        (_a = monitor[kMonitorId]) === null || _a === void 0 ? void 0 : _a.wake();
+                    }
+                }, 0);
+            }
+            done();
+        });
+    };
+}
+function makeTopologyVersion(tv) {
+    return {
+        processId: tv.processId,
+        // tests mock counter as just number, but in a real situation counter should always be a Long
+        // TODO(NODE-2674): Preserve int64 sent from MongoDB
+        counter: bson_1.Long.isLong(tv.counter) ? tv.counter : bson_1.Long.fromNumber(tv.counter)
+    };
+}
+/** @internal */
+class RTTPinger {
+    constructor(cancellationToken, options) {
+        this[kConnection] = undefined;
+        this[kCancellationToken] = cancellationToken;
+        this[kRoundTripTime] = 0;
+        this.closed = false;
+        const heartbeatFrequencyMS = options.heartbeatFrequencyMS;
+        this[kMonitorId] = (0, timers_1.setTimeout)(() => measureRoundTripTime(this, options), heartbeatFrequencyMS);
+    }
+    get roundTripTime() {
+        return this[kRoundTripTime];
+    }
+    close() {
+        var _a;
+        this.closed = true;
+        (0, timers_1.clearTimeout)(this[kMonitorId]);
+        (_a = this[kConnection]) === null || _a === void 0 ? void 0 : _a.destroy({ force: true });
+        this[kConnection] = undefined;
+    }
+}
+exports.RTTPinger = RTTPinger;
+function measureRoundTripTime(rttPinger, options) {
+    const start = (0, utils_1.now)();
+    options.cancellationToken = rttPinger[kCancellationToken];
+    const heartbeatFrequencyMS = options.heartbeatFrequencyMS;
+    if (rttPinger.closed) {
+        return;
+    }
+    function measureAndReschedule(conn) {
+        if (rttPinger.closed) {
+            conn === null || conn === void 0 ? void 0 : conn.destroy({ force: true });
+            return;
+        }
+        if (rttPinger[kConnection] == null) {
+            rttPinger[kConnection] = conn;
+        }
+        rttPinger[kRoundTripTime] = (0, utils_1.calculateDurationInMs)(start);
+        rttPinger[kMonitorId] = (0, timers_1.setTimeout)(() => measureRoundTripTime(rttPinger, options), heartbeatFrequencyMS);
+    }
+    const connection = rttPinger[kConnection];
+    if (connection == null) {
+        (0, connect_1.connect)(options, (err, conn) => {
+            if (err) {
+                rttPinger[kConnection] = undefined;
+                rttPinger[kRoundTripTime] = 0;
+                return;
+            }
+            measureAndReschedule(conn);
+        });
+        return;
+    }
+    connection.command((0, utils_1.ns)('admin.$cmd'), { [constants_1.LEGACY_HELLO_COMMAND]: 1 }, undefined, err => {
+        if (err) {
+            rttPinger[kConnection] = undefined;
+            rttPinger[kRoundTripTime] = 0;
+            return;
+        }
+        measureAndReschedule();
+    });
+}
+//# sourceMappingURL=monitor.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/monitor.js.map b/node_modules/mongoose/node_modules/mongodb/lib/sdam/monitor.js.map
new file mode 100644
index 000000000..507f9a350
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/monitor.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/server.js b/node_modules/mongoose/node_modules/mongodb/lib/sdam/server.js
new file mode 100644
index 000000000..ac7a9d491
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/server.js
@@ -0,0 +1,345 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Server = void 0;
+const connection_1 = require("../cmap/connection");
+const connection_pool_1 = require("../cmap/connection_pool");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const logger_1 = require("../logger");
+const mongo_types_1 = require("../mongo_types");
+const transactions_1 = require("../transactions");
+const utils_1 = require("../utils");
+const common_1 = require("./common");
+const monitor_1 = require("./monitor");
+const server_description_1 = require("./server_description");
+const stateTransition = (0, utils_1.makeStateMachine)({
+    [common_1.STATE_CLOSED]: [common_1.STATE_CLOSED, common_1.STATE_CONNECTING],
+    [common_1.STATE_CONNECTING]: [common_1.STATE_CONNECTING, common_1.STATE_CLOSING, common_1.STATE_CONNECTED, common_1.STATE_CLOSED],
+    [common_1.STATE_CONNECTED]: [common_1.STATE_CONNECTED, common_1.STATE_CLOSING, common_1.STATE_CLOSED],
+    [common_1.STATE_CLOSING]: [common_1.STATE_CLOSING, common_1.STATE_CLOSED]
+});
+/** @internal */
+const kMonitor = Symbol('monitor');
+/** @internal */
+class Server extends mongo_types_1.TypedEventEmitter {
+    /**
+     * Create a server
+     */
+    constructor(topology, description, options) {
+        super();
+        this.serverApi = options.serverApi;
+        const poolOptions = { hostAddress: description.hostAddress, ...options };
+        this.s = {
+            description,
+            options,
+            logger: new logger_1.Logger('Server'),
+            state: common_1.STATE_CLOSED,
+            topology,
+            pool: new connection_pool_1.ConnectionPool(poolOptions),
+            operationCount: 0
+        };
+        for (const event of [...constants_1.CMAP_EVENTS, ...constants_1.APM_EVENTS]) {
+            this.s.pool.on(event, (e) => this.emit(event, e));
+        }
+        this.s.pool.on(connection_1.Connection.CLUSTER_TIME_RECEIVED, (clusterTime) => {
+            this.clusterTime = clusterTime;
+        });
+        if (this.loadBalanced) {
+            this[kMonitor] = null;
+            // monitoring is disabled in load balancing mode
+            return;
+        }
+        // create the monitor
+        // TODO(NODE-4144): Remove new variable for type narrowing
+        const monitor = new monitor_1.Monitor(this, this.s.options);
+        this[kMonitor] = monitor;
+        for (const event of constants_1.HEARTBEAT_EVENTS) {
+            monitor.on(event, (e) => this.emit(event, e));
+        }
+        monitor.on('resetConnectionPool', () => {
+            this.s.pool.clear();
+        });
+        monitor.on('resetServer', (error) => markServerUnknown(this, error));
+        monitor.on(Server.SERVER_HEARTBEAT_SUCCEEDED, (event) => {
+            this.emit(Server.DESCRIPTION_RECEIVED, new server_description_1.ServerDescription(this.description.hostAddress, event.reply, {
+                roundTripTime: calculateRoundTripTime(this.description.roundTripTime, event.duration)
+            }));
+            if (this.s.state === common_1.STATE_CONNECTING) {
+                stateTransition(this, common_1.STATE_CONNECTED);
+                this.emit(Server.CONNECT, this);
+            }
+        });
+    }
+    get clusterTime() {
+        return this.s.topology.clusterTime;
+    }
+    set clusterTime(clusterTime) {
+        this.s.topology.clusterTime = clusterTime;
+    }
+    get description() {
+        return this.s.description;
+    }
+    get name() {
+        return this.s.description.address;
+    }
+    get autoEncrypter() {
+        if (this.s.options && this.s.options.autoEncrypter) {
+            return this.s.options.autoEncrypter;
+        }
+        return;
+    }
+    get loadBalanced() {
+        return this.s.topology.description.type === common_1.TopologyType.LoadBalanced;
+    }
+    /**
+     * Initiate server connect
+     */
+    connect() {
+        var _a;
+        if (this.s.state !== common_1.STATE_CLOSED) {
+            return;
+        }
+        stateTransition(this, common_1.STATE_CONNECTING);
+        // If in load balancer mode we automatically set the server to
+        // a load balancer. It never transitions out of this state and
+        // has no monitor.
+        if (!this.loadBalanced) {
+            (_a = this[kMonitor]) === null || _a === void 0 ? void 0 : _a.connect();
+        }
+        else {
+            stateTransition(this, common_1.STATE_CONNECTED);
+            this.emit(Server.CONNECT, this);
+        }
+    }
+    /** Destroy the server connection */
+    destroy(options, callback) {
+        var _a;
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = Object.assign({}, { force: false }, options);
+        if (this.s.state === common_1.STATE_CLOSED) {
+            if (typeof callback === 'function') {
+                callback();
+            }
+            return;
+        }
+        stateTransition(this, common_1.STATE_CLOSING);
+        if (!this.loadBalanced) {
+            (_a = this[kMonitor]) === null || _a === void 0 ? void 0 : _a.close();
+        }
+        this.s.pool.close(options, err => {
+            stateTransition(this, common_1.STATE_CLOSED);
+            this.emit('closed');
+            if (typeof callback === 'function') {
+                callback(err);
+            }
+        });
+    }
+    /**
+     * Immediately schedule monitoring of this server. If there already an attempt being made
+     * this will be a no-op.
+     */
+    requestCheck() {
+        var _a;
+        if (!this.loadBalanced) {
+            (_a = this[kMonitor]) === null || _a === void 0 ? void 0 : _a.requestCheck();
+        }
+    }
+    /**
+     * Execute a command
+     * @internal
+     */
+    command(ns, cmd, options, callback) {
+        if (callback == null) {
+            throw new error_1.MongoInvalidArgumentError('Callback must be provided');
+        }
+        if (ns.db == null || typeof ns === 'string') {
+            throw new error_1.MongoInvalidArgumentError('Namespace must not be a string');
+        }
+        if (this.s.state === common_1.STATE_CLOSING || this.s.state === common_1.STATE_CLOSED) {
+            callback(new error_1.MongoServerClosedError());
+            return;
+        }
+        // Clone the options
+        const finalOptions = Object.assign({}, options, { wireProtocolCommand: false });
+        // There are cases where we need to flag the read preference not to get sent in
+        // the command, such as pre-5.0 servers attempting to perform an aggregate write
+        // with a non-primary read preference. In this case the effective read preference
+        // (primary) is not the same as the provided and must be removed completely.
+        if (finalOptions.omitReadPreference) {
+            delete finalOptions.readPreference;
+        }
+        // error if collation not supported
+        if ((0, utils_1.collationNotSupported)(this, cmd)) {
+            callback(new error_1.MongoCompatibilityError(`Server ${this.name} does not support collation`));
+            return;
+        }
+        const session = finalOptions.session;
+        const conn = session === null || session === void 0 ? void 0 : session.pinnedConnection;
+        // NOTE: This is a hack! We can't retrieve the connections used for executing an operation
+        //       (and prevent them from being checked back in) at the point of operation execution.
+        //       This should be considered as part of the work for NODE-2882
+        // NOTE:
+        //       When incrementing operation count, it's important that we increment it before we
+        //       attempt to check out a connection from the pool.  This ensures that operations that
+        //       are waiting for a connection are included in the operation count.  Load balanced
+        //       mode will only ever have a single server, so the operation count doesn't matter.
+        //       Incrementing the operation count above the logic to handle load balanced mode would
+        //       require special logic to decrement it again, or would double increment (the load
+        //       balanced code makes a recursive call).  Instead, we increment the count after this
+        //       check.
+        if (this.loadBalanced && session && conn == null && isPinnableCommand(cmd, session)) {
+            this.s.pool.checkOut((err, checkedOut) => {
+                if (err || checkedOut == null) {
+                    if (callback)
+                        return callback(err);
+                    return;
+                }
+                session.pin(checkedOut);
+                this.command(ns, cmd, finalOptions, callback);
+            });
+            return;
+        }
+        this.s.operationCount += 1;
+        this.s.pool.withConnection(conn, (err, conn, cb) => {
+            if (err || !conn) {
+                this.s.operationCount -= 1;
+                markServerUnknown(this, err);
+                return cb(err);
+            }
+            conn.command(ns, cmd, finalOptions, makeOperationHandler(this, conn, cmd, finalOptions, (error, response) => {
+                this.s.operationCount -= 1;
+                cb(error, response);
+            }));
+        }, callback);
+    }
+}
+exports.Server = Server;
+/** @event */
+Server.SERVER_HEARTBEAT_STARTED = constants_1.SERVER_HEARTBEAT_STARTED;
+/** @event */
+Server.SERVER_HEARTBEAT_SUCCEEDED = constants_1.SERVER_HEARTBEAT_SUCCEEDED;
+/** @event */
+Server.SERVER_HEARTBEAT_FAILED = constants_1.SERVER_HEARTBEAT_FAILED;
+/** @event */
+Server.CONNECT = constants_1.CONNECT;
+/** @event */
+Server.DESCRIPTION_RECEIVED = constants_1.DESCRIPTION_RECEIVED;
+/** @event */
+Server.CLOSED = constants_1.CLOSED;
+/** @event */
+Server.ENDED = constants_1.ENDED;
+function calculateRoundTripTime(oldRtt, duration) {
+    if (oldRtt === -1) {
+        return duration;
+    }
+    const alpha = 0.2;
+    return alpha * duration + (1 - alpha) * oldRtt;
+}
+function markServerUnknown(server, error) {
+    var _a;
+    // Load balancer servers can never be marked unknown.
+    if (server.loadBalanced) {
+        return;
+    }
+    if (error instanceof error_1.MongoNetworkError && !(error instanceof error_1.MongoNetworkTimeoutError)) {
+        (_a = server[kMonitor]) === null || _a === void 0 ? void 0 : _a.reset();
+    }
+    server.emit(Server.DESCRIPTION_RECEIVED, new server_description_1.ServerDescription(server.description.hostAddress, undefined, { error }));
+}
+function isPinnableCommand(cmd, session) {
+    if (session) {
+        return (session.inTransaction() ||
+            'aggregate' in cmd ||
+            'find' in cmd ||
+            'getMore' in cmd ||
+            'listCollections' in cmd ||
+            'listIndexes' in cmd);
+    }
+    return false;
+}
+function connectionIsStale(pool, connection) {
+    if (connection.serviceId) {
+        return (connection.generation !== pool.serviceGenerations.get(connection.serviceId.toHexString()));
+    }
+    return connection.generation !== pool.generation;
+}
+function shouldHandleStateChangeError(server, err) {
+    const etv = err.topologyVersion;
+    const stv = server.description.topologyVersion;
+    return (0, server_description_1.compareTopologyVersion)(stv, etv) < 0;
+}
+function inActiveTransaction(session, cmd) {
+    return session && session.inTransaction() && !(0, transactions_1.isTransactionCommand)(cmd);
+}
+/** this checks the retryWrites option passed down from the client options, it
+ * does not check if the server supports retryable writes */
+function isRetryableWritesEnabled(topology) {
+    return topology.s.options.retryWrites !== false;
+}
+function makeOperationHandler(server, connection, cmd, options, callback) {
+    const session = options === null || options === void 0 ? void 0 : options.session;
+    return function handleOperationResult(error, result) {
+        if (result != null) {
+            return callback(undefined, result);
+        }
+        if (!error) {
+            return callback(new error_1.MongoUnexpectedServerResponseError('Empty response with no error'));
+        }
+        if (!(error instanceof error_1.MongoError)) {
+            // Node.js or some other error we have not special handling for
+            return callback(error);
+        }
+        if (connectionIsStale(server.s.pool, connection)) {
+            return callback(error);
+        }
+        if (error instanceof error_1.MongoNetworkError) {
+            if (session && !session.hasEnded && session.serverSession) {
+                session.serverSession.isDirty = true;
+            }
+            // inActiveTransaction check handles commit and abort.
+            if (inActiveTransaction(session, cmd) &&
+                !error.hasErrorLabel(error_1.MongoErrorLabel.TransientTransactionError)) {
+                error.addErrorLabel(error_1.MongoErrorLabel.TransientTransactionError);
+            }
+            if ((isRetryableWritesEnabled(server.s.topology) || (0, transactions_1.isTransactionCommand)(cmd)) &&
+                (0, utils_1.supportsRetryableWrites)(server) &&
+                !inActiveTransaction(session, cmd)) {
+                error.addErrorLabel(error_1.MongoErrorLabel.RetryableWriteError);
+            }
+            if (!(error instanceof error_1.MongoNetworkTimeoutError) || (0, error_1.isNetworkErrorBeforeHandshake)(error)) {
+                // In load balanced mode we never mark the server as unknown and always
+                // clear for the specific service id.
+                server.s.pool.clear(connection.serviceId);
+                if (!server.loadBalanced) {
+                    markServerUnknown(server, error);
+                }
+            }
+        }
+        else {
+            if ((isRetryableWritesEnabled(server.s.topology) || (0, transactions_1.isTransactionCommand)(cmd)) &&
+                (0, error_1.needsRetryableWriteLabel)(error, (0, utils_1.maxWireVersion)(server)) &&
+                !inActiveTransaction(session, cmd)) {
+                error.addErrorLabel(error_1.MongoErrorLabel.RetryableWriteError);
+            }
+            if ((0, error_1.isSDAMUnrecoverableError)(error)) {
+                if (shouldHandleStateChangeError(server, error)) {
+                    if ((0, utils_1.maxWireVersion)(server) <= 7 || (0, error_1.isNodeShuttingDownError)(error)) {
+                        server.s.pool.clear(connection.serviceId);
+                    }
+                    if (!server.loadBalanced) {
+                        markServerUnknown(server, error);
+                        process.nextTick(() => server.requestCheck());
+                    }
+                }
+            }
+        }
+        if (session &&
+            session.isPinned &&
+            error.hasErrorLabel(error_1.MongoErrorLabel.TransientTransactionError)) {
+            session.unpin({ force: true });
+        }
+        return callback(error);
+    };
+}
+//# sourceMappingURL=server.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/server.js.map b/node_modules/mongoose/node_modules/mongodb/lib/sdam/server.js.map
new file mode 100644
index 000000000..78802336a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/server.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/server_description.js b/node_modules/mongoose/node_modules/mongodb/lib/sdam/server_description.js
new file mode 100644
index 000000000..b053eaf1c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/server_description.js
@@ -0,0 +1,190 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.compareTopologyVersion = exports.parseServerType = exports.ServerDescription = void 0;
+const bson_1 = require("../bson");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const common_1 = require("./common");
+const WRITABLE_SERVER_TYPES = new Set([
+    common_1.ServerType.RSPrimary,
+    common_1.ServerType.Standalone,
+    common_1.ServerType.Mongos,
+    common_1.ServerType.LoadBalancer
+]);
+const DATA_BEARING_SERVER_TYPES = new Set([
+    common_1.ServerType.RSPrimary,
+    common_1.ServerType.RSSecondary,
+    common_1.ServerType.Mongos,
+    common_1.ServerType.Standalone,
+    common_1.ServerType.LoadBalancer
+]);
+/**
+ * The client's view of a single server, based on the most recent hello outcome.
+ *
+ * Internal type, not meant to be directly instantiated
+ * @public
+ */
+class ServerDescription {
+    /**
+     * Create a ServerDescription
+     * @internal
+     *
+     * @param address - The address of the server
+     * @param hello - An optional hello response for this server
+     */
+    constructor(address, hello, options = {}) {
+        var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m, _o, _p, _q, _r, _s, _t, _u, _v, _w, _x, _y, _z;
+        if (address == null || address === '') {
+            throw new error_1.MongoRuntimeError('ServerDescription must be provided with a non-empty address');
+        }
+        this.address =
+            typeof address === 'string'
+                ? utils_1.HostAddress.fromString(address).toString(false) // Use HostAddress to normalize
+                : address.toString(false);
+        this.type = parseServerType(hello, options);
+        this.hosts = (_b = (_a = hello === null || hello === void 0 ? void 0 : hello.hosts) === null || _a === void 0 ? void 0 : _a.map((host) => host.toLowerCase())) !== null && _b !== void 0 ? _b : [];
+        this.passives = (_d = (_c = hello === null || hello === void 0 ? void 0 : hello.passives) === null || _c === void 0 ? void 0 : _c.map((host) => host.toLowerCase())) !== null && _d !== void 0 ? _d : [];
+        this.arbiters = (_f = (_e = hello === null || hello === void 0 ? void 0 : hello.arbiters) === null || _e === void 0 ? void 0 : _e.map((host) => host.toLowerCase())) !== null && _f !== void 0 ? _f : [];
+        this.tags = (_g = hello === null || hello === void 0 ? void 0 : hello.tags) !== null && _g !== void 0 ? _g : {};
+        this.minWireVersion = (_h = hello === null || hello === void 0 ? void 0 : hello.minWireVersion) !== null && _h !== void 0 ? _h : 0;
+        this.maxWireVersion = (_j = hello === null || hello === void 0 ? void 0 : hello.maxWireVersion) !== null && _j !== void 0 ? _j : 0;
+        this.roundTripTime = (_k = options === null || options === void 0 ? void 0 : options.roundTripTime) !== null && _k !== void 0 ? _k : -1;
+        this.lastUpdateTime = (0, utils_1.now)();
+        this.lastWriteDate = (_m = (_l = hello === null || hello === void 0 ? void 0 : hello.lastWrite) === null || _l === void 0 ? void 0 : _l.lastWriteDate) !== null && _m !== void 0 ? _m : 0;
+        this.error = (_o = options.error) !== null && _o !== void 0 ? _o : null;
+        // TODO(NODE-2674): Preserve int64 sent from MongoDB
+        this.topologyVersion = (_r = (_q = (_p = this.error) === null || _p === void 0 ? void 0 : _p.topologyVersion) !== null && _q !== void 0 ? _q : hello === null || hello === void 0 ? void 0 : hello.topologyVersion) !== null && _r !== void 0 ? _r : null;
+        this.setName = (_s = hello === null || hello === void 0 ? void 0 : hello.setName) !== null && _s !== void 0 ? _s : null;
+        this.setVersion = (_t = hello === null || hello === void 0 ? void 0 : hello.setVersion) !== null && _t !== void 0 ? _t : null;
+        this.electionId = (_u = hello === null || hello === void 0 ? void 0 : hello.electionId) !== null && _u !== void 0 ? _u : null;
+        this.logicalSessionTimeoutMinutes = (_v = hello === null || hello === void 0 ? void 0 : hello.logicalSessionTimeoutMinutes) !== null && _v !== void 0 ? _v : null;
+        this.primary = (_w = hello === null || hello === void 0 ? void 0 : hello.primary) !== null && _w !== void 0 ? _w : null;
+        this.me = (_y = (_x = hello === null || hello === void 0 ? void 0 : hello.me) === null || _x === void 0 ? void 0 : _x.toLowerCase()) !== null && _y !== void 0 ? _y : null;
+        this.$clusterTime = (_z = hello === null || hello === void 0 ? void 0 : hello.$clusterTime) !== null && _z !== void 0 ? _z : null;
+    }
+    get hostAddress() {
+        return utils_1.HostAddress.fromString(this.address);
+    }
+    get allHosts() {
+        return this.hosts.concat(this.arbiters).concat(this.passives);
+    }
+    /** Is this server available for reads*/
+    get isReadable() {
+        return this.type === common_1.ServerType.RSSecondary || this.isWritable;
+    }
+    /** Is this server data bearing */
+    get isDataBearing() {
+        return DATA_BEARING_SERVER_TYPES.has(this.type);
+    }
+    /** Is this server available for writes */
+    get isWritable() {
+        return WRITABLE_SERVER_TYPES.has(this.type);
+    }
+    get host() {
+        const chopLength = `:${this.port}`.length;
+        return this.address.slice(0, -chopLength);
+    }
+    get port() {
+        const port = this.address.split(':').pop();
+        return port ? Number.parseInt(port, 10) : 27017;
+    }
+    /**
+     * Determines if another `ServerDescription` is equal to this one per the rules defined
+     * in the {@link https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#serverdescription|SDAM spec}
+     */
+    equals(other) {
+        // Despite using the comparator that would determine a nullish topologyVersion as greater than
+        // for equality we should only always perform direct equality comparison
+        const topologyVersionsEqual = this.topologyVersion === (other === null || other === void 0 ? void 0 : other.topologyVersion) ||
+            compareTopologyVersion(this.topologyVersion, other === null || other === void 0 ? void 0 : other.topologyVersion) === 0;
+        const electionIdsEqual = this.electionId != null && (other === null || other === void 0 ? void 0 : other.electionId) != null
+            ? (0, utils_1.compareObjectId)(this.electionId, other.electionId) === 0
+            : this.electionId === (other === null || other === void 0 ? void 0 : other.electionId);
+        return (other != null &&
+            (0, utils_1.errorStrictEqual)(this.error, other.error) &&
+            this.type === other.type &&
+            this.minWireVersion === other.minWireVersion &&
+            (0, utils_1.arrayStrictEqual)(this.hosts, other.hosts) &&
+            tagsStrictEqual(this.tags, other.tags) &&
+            this.setName === other.setName &&
+            this.setVersion === other.setVersion &&
+            electionIdsEqual &&
+            this.primary === other.primary &&
+            this.logicalSessionTimeoutMinutes === other.logicalSessionTimeoutMinutes &&
+            topologyVersionsEqual);
+    }
+}
+exports.ServerDescription = ServerDescription;
+// Parses a `hello` message and determines the server type
+function parseServerType(hello, options) {
+    if (options === null || options === void 0 ? void 0 : options.loadBalanced) {
+        return common_1.ServerType.LoadBalancer;
+    }
+    if (!hello || !hello.ok) {
+        return common_1.ServerType.Unknown;
+    }
+    if (hello.isreplicaset) {
+        return common_1.ServerType.RSGhost;
+    }
+    if (hello.msg && hello.msg === 'isdbgrid') {
+        return common_1.ServerType.Mongos;
+    }
+    if (hello.setName) {
+        if (hello.hidden) {
+            return common_1.ServerType.RSOther;
+        }
+        else if (hello.isWritablePrimary) {
+            return common_1.ServerType.RSPrimary;
+        }
+        else if (hello.secondary) {
+            return common_1.ServerType.RSSecondary;
+        }
+        else if (hello.arbiterOnly) {
+            return common_1.ServerType.RSArbiter;
+        }
+        else {
+            return common_1.ServerType.RSOther;
+        }
+    }
+    return common_1.ServerType.Standalone;
+}
+exports.parseServerType = parseServerType;
+function tagsStrictEqual(tags, tags2) {
+    const tagsKeys = Object.keys(tags);
+    const tags2Keys = Object.keys(tags2);
+    return (tagsKeys.length === tags2Keys.length &&
+        tagsKeys.every((key) => tags2[key] === tags[key]));
+}
+/**
+ * Compares two topology versions.
+ *
+ * 1. If the response topologyVersion is unset or the ServerDescription's
+ *    topologyVersion is null, the client MUST assume the response is more recent.
+ * 1. If the response's topologyVersion.processId is not equal to the
+ *    ServerDescription's, the client MUST assume the response is more recent.
+ * 1. If the response's topologyVersion.processId is equal to the
+ *    ServerDescription's, the client MUST use the counter field to determine
+ *    which topologyVersion is more recent.
+ *
+ * ```ts
+ * currentTv <   newTv === -1
+ * currentTv === newTv === 0
+ * currentTv >   newTv === 1
+ * ```
+ */
+function compareTopologyVersion(currentTv, newTv) {
+    if (currentTv == null || newTv == null) {
+        return -1;
+    }
+    if (!currentTv.processId.equals(newTv.processId)) {
+        return -1;
+    }
+    // TODO(NODE-2674): Preserve int64 sent from MongoDB
+    const currentCounter = bson_1.Long.isLong(currentTv.counter)
+        ? currentTv.counter
+        : bson_1.Long.fromNumber(currentTv.counter);
+    const newCounter = bson_1.Long.isLong(newTv.counter) ? newTv.counter : bson_1.Long.fromNumber(newTv.counter);
+    return currentCounter.compare(newCounter);
+}
+exports.compareTopologyVersion = compareTopologyVersion;
+//# sourceMappingURL=server_description.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/server_description.js.map b/node_modules/mongoose/node_modules/mongodb/lib/sdam/server_description.js.map
new file mode 100644
index 000000000..6824ff492
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/server_description.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/server_selection.js b/node_modules/mongoose/node_modules/mongodb/lib/sdam/server_selection.js
new file mode 100644
index 000000000..1d3c878ec
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/server_selection.js
@@ -0,0 +1,228 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.readPreferenceServerSelector = exports.secondaryWritableServerSelector = exports.sameServerSelector = exports.writableServerSelector = exports.MIN_SECONDARY_WRITE_WIRE_VERSION = void 0;
+const error_1 = require("../error");
+const read_preference_1 = require("../read_preference");
+const common_1 = require("./common");
+// max staleness constants
+const IDLE_WRITE_PERIOD = 10000;
+const SMALLEST_MAX_STALENESS_SECONDS = 90;
+//  Minimum version to try writes on secondaries.
+exports.MIN_SECONDARY_WRITE_WIRE_VERSION = 13;
+/**
+ * Returns a server selector that selects for writable servers
+ */
+function writableServerSelector() {
+    return (topologyDescription, servers) => latencyWindowReducer(topologyDescription, servers.filter((s) => s.isWritable));
+}
+exports.writableServerSelector = writableServerSelector;
+/**
+ * The purpose of this selector is to select the same server, only
+ * if it is in a state that it can have commands sent to it.
+ */
+function sameServerSelector(description) {
+    return (topologyDescription, servers) => {
+        if (!description)
+            return [];
+        // Filter the servers to match the provided description only if
+        // the type is not unknown.
+        return servers.filter(sd => {
+            return sd.address === description.address && sd.type !== common_1.ServerType.Unknown;
+        });
+    };
+}
+exports.sameServerSelector = sameServerSelector;
+/**
+ * Returns a server selector that uses a read preference to select a
+ * server potentially for a write on a secondary.
+ */
+function secondaryWritableServerSelector(wireVersion, readPreference) {
+    // If server version < 5.0, read preference always primary.
+    // If server version >= 5.0...
+    // - If read preference is supplied, use that.
+    // - If no read preference is supplied, use primary.
+    if (!readPreference ||
+        !wireVersion ||
+        (wireVersion && wireVersion < exports.MIN_SECONDARY_WRITE_WIRE_VERSION)) {
+        return readPreferenceServerSelector(read_preference_1.ReadPreference.primary);
+    }
+    return readPreferenceServerSelector(readPreference);
+}
+exports.secondaryWritableServerSelector = secondaryWritableServerSelector;
+/**
+ * Reduces the passed in array of servers by the rules of the "Max Staleness" specification
+ * found here: https://github.com/mongodb/specifications/blob/master/source/max-staleness/max-staleness.rst
+ *
+ * @param readPreference - The read preference providing max staleness guidance
+ * @param topologyDescription - The topology description
+ * @param servers - The list of server descriptions to be reduced
+ * @returns The list of servers that satisfy the requirements of max staleness
+ */
+function maxStalenessReducer(readPreference, topologyDescription, servers) {
+    if (readPreference.maxStalenessSeconds == null || readPreference.maxStalenessSeconds < 0) {
+        return servers;
+    }
+    const maxStaleness = readPreference.maxStalenessSeconds;
+    const maxStalenessVariance = (topologyDescription.heartbeatFrequencyMS + IDLE_WRITE_PERIOD) / 1000;
+    if (maxStaleness < maxStalenessVariance) {
+        throw new error_1.MongoInvalidArgumentError(`Option "maxStalenessSeconds" must be at least ${maxStalenessVariance} seconds`);
+    }
+    if (maxStaleness < SMALLEST_MAX_STALENESS_SECONDS) {
+        throw new error_1.MongoInvalidArgumentError(`Option "maxStalenessSeconds" must be at least ${SMALLEST_MAX_STALENESS_SECONDS} seconds`);
+    }
+    if (topologyDescription.type === common_1.TopologyType.ReplicaSetWithPrimary) {
+        const primary = Array.from(topologyDescription.servers.values()).filter(primaryFilter)[0];
+        return servers.reduce((result, server) => {
+            var _a;
+            const stalenessMS = server.lastUpdateTime -
+                server.lastWriteDate -
+                (primary.lastUpdateTime - primary.lastWriteDate) +
+                topologyDescription.heartbeatFrequencyMS;
+            const staleness = stalenessMS / 1000;
+            const maxStalenessSeconds = (_a = readPreference.maxStalenessSeconds) !== null && _a !== void 0 ? _a : 0;
+            if (staleness <= maxStalenessSeconds) {
+                result.push(server);
+            }
+            return result;
+        }, []);
+    }
+    if (topologyDescription.type === common_1.TopologyType.ReplicaSetNoPrimary) {
+        if (servers.length === 0) {
+            return servers;
+        }
+        const sMax = servers.reduce((max, s) => s.lastWriteDate > max.lastWriteDate ? s : max);
+        return servers.reduce((result, server) => {
+            var _a;
+            const stalenessMS = sMax.lastWriteDate - server.lastWriteDate + topologyDescription.heartbeatFrequencyMS;
+            const staleness = stalenessMS / 1000;
+            const maxStalenessSeconds = (_a = readPreference.maxStalenessSeconds) !== null && _a !== void 0 ? _a : 0;
+            if (staleness <= maxStalenessSeconds) {
+                result.push(server);
+            }
+            return result;
+        }, []);
+    }
+    return servers;
+}
+/**
+ * Determines whether a server's tags match a given set of tags
+ *
+ * @param tagSet - The requested tag set to match
+ * @param serverTags - The server's tags
+ */
+function tagSetMatch(tagSet, serverTags) {
+    const keys = Object.keys(tagSet);
+    const serverTagKeys = Object.keys(serverTags);
+    for (let i = 0; i < keys.length; ++i) {
+        const key = keys[i];
+        if (serverTagKeys.indexOf(key) === -1 || serverTags[key] !== tagSet[key]) {
+            return false;
+        }
+    }
+    return true;
+}
+/**
+ * Reduces a set of server descriptions based on tags requested by the read preference
+ *
+ * @param readPreference - The read preference providing the requested tags
+ * @param servers - The list of server descriptions to reduce
+ * @returns The list of servers matching the requested tags
+ */
+function tagSetReducer(readPreference, servers) {
+    if (readPreference.tags == null ||
+        (Array.isArray(readPreference.tags) && readPreference.tags.length === 0)) {
+        return servers;
+    }
+    for (let i = 0; i < readPreference.tags.length; ++i) {
+        const tagSet = readPreference.tags[i];
+        const serversMatchingTagset = servers.reduce((matched, server) => {
+            if (tagSetMatch(tagSet, server.tags))
+                matched.push(server);
+            return matched;
+        }, []);
+        if (serversMatchingTagset.length) {
+            return serversMatchingTagset;
+        }
+    }
+    return [];
+}
+/**
+ * Reduces a list of servers to ensure they fall within an acceptable latency window. This is
+ * further specified in the "Server Selection" specification, found here:
+ * https://github.com/mongodb/specifications/blob/master/source/server-selection/server-selection.rst
+ *
+ * @param topologyDescription - The topology description
+ * @param servers - The list of servers to reduce
+ * @returns The servers which fall within an acceptable latency window
+ */
+function latencyWindowReducer(topologyDescription, servers) {
+    const low = servers.reduce((min, server) => min === -1 ? server.roundTripTime : Math.min(server.roundTripTime, min), -1);
+    const high = low + topologyDescription.localThresholdMS;
+    return servers.reduce((result, server) => {
+        if (server.roundTripTime <= high && server.roundTripTime >= low)
+            result.push(server);
+        return result;
+    }, []);
+}
+// filters
+function primaryFilter(server) {
+    return server.type === common_1.ServerType.RSPrimary;
+}
+function secondaryFilter(server) {
+    return server.type === common_1.ServerType.RSSecondary;
+}
+function nearestFilter(server) {
+    return server.type === common_1.ServerType.RSSecondary || server.type === common_1.ServerType.RSPrimary;
+}
+function knownFilter(server) {
+    return server.type !== common_1.ServerType.Unknown;
+}
+function loadBalancerFilter(server) {
+    return server.type === common_1.ServerType.LoadBalancer;
+}
+/**
+ * Returns a function which selects servers based on a provided read preference
+ *
+ * @param readPreference - The read preference to select with
+ */
+function readPreferenceServerSelector(readPreference) {
+    if (!readPreference.isValid()) {
+        throw new error_1.MongoInvalidArgumentError('Invalid read preference specified');
+    }
+    return (topologyDescription, servers) => {
+        const commonWireVersion = topologyDescription.commonWireVersion;
+        if (commonWireVersion &&
+            readPreference.minWireVersion &&
+            readPreference.minWireVersion > commonWireVersion) {
+            throw new error_1.MongoCompatibilityError(`Minimum wire version '${readPreference.minWireVersion}' required, but found '${commonWireVersion}'`);
+        }
+        if (topologyDescription.type === common_1.TopologyType.LoadBalanced) {
+            return servers.filter(loadBalancerFilter);
+        }
+        if (topologyDescription.type === common_1.TopologyType.Unknown) {
+            return [];
+        }
+        if (topologyDescription.type === common_1.TopologyType.Single ||
+            topologyDescription.type === common_1.TopologyType.Sharded) {
+            return latencyWindowReducer(topologyDescription, servers.filter(knownFilter));
+        }
+        const mode = readPreference.mode;
+        if (mode === read_preference_1.ReadPreference.PRIMARY) {
+            return servers.filter(primaryFilter);
+        }
+        if (mode === read_preference_1.ReadPreference.PRIMARY_PREFERRED) {
+            const result = servers.filter(primaryFilter);
+            if (result.length) {
+                return result;
+            }
+        }
+        const filter = mode === read_preference_1.ReadPreference.NEAREST ? nearestFilter : secondaryFilter;
+        const selectedServers = latencyWindowReducer(topologyDescription, tagSetReducer(readPreference, maxStalenessReducer(readPreference, topologyDescription, servers.filter(filter))));
+        if (mode === read_preference_1.ReadPreference.SECONDARY_PREFERRED && selectedServers.length === 0) {
+            return servers.filter(primaryFilter);
+        }
+        return selectedServers;
+    };
+}
+exports.readPreferenceServerSelector = readPreferenceServerSelector;
+//# sourceMappingURL=server_selection.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/server_selection.js.map b/node_modules/mongoose/node_modules/mongodb/lib/sdam/server_selection.js.map
new file mode 100644
index 000000000..f8a94927b
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/server_selection.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/srv_polling.js b/node_modules/mongoose/node_modules/mongodb/lib/sdam/srv_polling.js
new file mode 100644
index 000000000..341557339
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/srv_polling.js
@@ -0,0 +1,122 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SrvPoller = exports.SrvPollingEvent = void 0;
+const dns = require("dns");
+const timers_1 = require("timers");
+const error_1 = require("../error");
+const logger_1 = require("../logger");
+const mongo_types_1 = require("../mongo_types");
+const utils_1 = require("../utils");
+/**
+ * Determines whether a provided address matches the provided parent domain in order
+ * to avoid certain attack vectors.
+ *
+ * @param srvAddress - The address to check against a domain
+ * @param parentDomain - The domain to check the provided address against
+ * @returns Whether the provided address matches the parent domain
+ */
+function matchesParentDomain(srvAddress, parentDomain) {
+    const regex = /^.*?\./;
+    const srv = `.${srvAddress.replace(regex, '')}`;
+    const parent = `.${parentDomain.replace(regex, '')}`;
+    return srv.endsWith(parent);
+}
+/**
+ * @internal
+ * @category Event
+ */
+class SrvPollingEvent {
+    constructor(srvRecords) {
+        this.srvRecords = srvRecords;
+    }
+    hostnames() {
+        return new Set(this.srvRecords.map(r => utils_1.HostAddress.fromSrvRecord(r).toString()));
+    }
+}
+exports.SrvPollingEvent = SrvPollingEvent;
+/** @internal */
+class SrvPoller extends mongo_types_1.TypedEventEmitter {
+    constructor(options) {
+        var _a, _b, _c;
+        super();
+        if (!options || !options.srvHost) {
+            throw new error_1.MongoRuntimeError('Options for SrvPoller must exist and include srvHost');
+        }
+        this.srvHost = options.srvHost;
+        this.srvMaxHosts = (_a = options.srvMaxHosts) !== null && _a !== void 0 ? _a : 0;
+        this.srvServiceName = (_b = options.srvServiceName) !== null && _b !== void 0 ? _b : 'mongodb';
+        this.rescanSrvIntervalMS = 60000;
+        this.heartbeatFrequencyMS = (_c = options.heartbeatFrequencyMS) !== null && _c !== void 0 ? _c : 10000;
+        this.logger = new logger_1.Logger('srvPoller', options);
+        this.haMode = false;
+        this.generation = 0;
+        this._timeout = undefined;
+    }
+    get srvAddress() {
+        return `_${this.srvServiceName}._tcp.${this.srvHost}`;
+    }
+    get intervalMS() {
+        return this.haMode ? this.heartbeatFrequencyMS : this.rescanSrvIntervalMS;
+    }
+    start() {
+        if (!this._timeout) {
+            this.schedule();
+        }
+    }
+    stop() {
+        if (this._timeout) {
+            (0, timers_1.clearTimeout)(this._timeout);
+            this.generation += 1;
+            this._timeout = undefined;
+        }
+    }
+    schedule() {
+        if (this._timeout) {
+            (0, timers_1.clearTimeout)(this._timeout);
+        }
+        this._timeout = (0, timers_1.setTimeout)(() => this._poll(), this.intervalMS);
+    }
+    success(srvRecords) {
+        this.haMode = false;
+        this.schedule();
+        this.emit(SrvPoller.SRV_RECORD_DISCOVERY, new SrvPollingEvent(srvRecords));
+    }
+    failure(message, obj) {
+        this.logger.warn(message, obj);
+        this.haMode = true;
+        this.schedule();
+    }
+    parentDomainMismatch(srvRecord) {
+        this.logger.warn(`parent domain mismatch on SRV record (${srvRecord.name}:${srvRecord.port})`, srvRecord);
+    }
+    _poll() {
+        const generation = this.generation;
+        dns.resolveSrv(this.srvAddress, (err, srvRecords) => {
+            if (generation !== this.generation) {
+                return;
+            }
+            if (err) {
+                this.failure('DNS error', err);
+                return;
+            }
+            const finalAddresses = [];
+            for (const record of srvRecords) {
+                if (matchesParentDomain(record.name, this.srvHost)) {
+                    finalAddresses.push(record);
+                }
+                else {
+                    this.parentDomainMismatch(record);
+                }
+            }
+            if (!finalAddresses.length) {
+                this.failure('No valid addresses found at host');
+                return;
+            }
+            this.success(finalAddresses);
+        });
+    }
+}
+exports.SrvPoller = SrvPoller;
+/** @event */
+SrvPoller.SRV_RECORD_DISCOVERY = 'srvRecordDiscovery';
+//# sourceMappingURL=srv_polling.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/srv_polling.js.map b/node_modules/mongoose/node_modules/mongodb/lib/sdam/srv_polling.js.map
new file mode 100644
index 000000000..a8d970953
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/srv_polling.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/topology.js b/node_modules/mongoose/node_modules/mongodb/lib/sdam/topology.js
new file mode 100644
index 000000000..dee35273e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/topology.js
@@ -0,0 +1,645 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ServerCapabilities = exports.Topology = void 0;
+const Denque = require("denque");
+const timers_1 = require("timers");
+const util_1 = require("util");
+const bson_1 = require("../bson");
+const connection_string_1 = require("../connection_string");
+const constants_1 = require("../constants");
+const error_1 = require("../error");
+const mongo_types_1 = require("../mongo_types");
+const read_preference_1 = require("../read_preference");
+const utils_1 = require("../utils");
+const common_1 = require("./common");
+const events_1 = require("./events");
+const server_1 = require("./server");
+const server_description_1 = require("./server_description");
+const server_selection_1 = require("./server_selection");
+const srv_polling_1 = require("./srv_polling");
+const topology_description_1 = require("./topology_description");
+// Global state
+let globalTopologyCounter = 0;
+const stateTransition = (0, utils_1.makeStateMachine)({
+    [common_1.STATE_CLOSED]: [common_1.STATE_CLOSED, common_1.STATE_CONNECTING],
+    [common_1.STATE_CONNECTING]: [common_1.STATE_CONNECTING, common_1.STATE_CLOSING, common_1.STATE_CONNECTED, common_1.STATE_CLOSED],
+    [common_1.STATE_CONNECTED]: [common_1.STATE_CONNECTED, common_1.STATE_CLOSING, common_1.STATE_CLOSED],
+    [common_1.STATE_CLOSING]: [common_1.STATE_CLOSING, common_1.STATE_CLOSED]
+});
+/** @internal */
+const kCancelled = Symbol('cancelled');
+/** @internal */
+const kWaitQueue = Symbol('waitQueue');
+/**
+ * A container of server instances representing a connection to a MongoDB topology.
+ * @internal
+ */
+class Topology extends mongo_types_1.TypedEventEmitter {
+    /**
+     * @param seedlist - a list of HostAddress instances to connect to
+     */
+    constructor(seeds, options) {
+        var _a;
+        super();
+        // Legacy CSFLE support
+        this.bson = Object.create(null);
+        this.bson.serialize = bson_1.serialize;
+        this.bson.deserialize = bson_1.deserialize;
+        // Options should only be undefined in tests, MongoClient will always have defined options
+        options = options !== null && options !== void 0 ? options : {
+            hosts: [utils_1.HostAddress.fromString('localhost:27017')],
+            ...Object.fromEntries(connection_string_1.DEFAULT_OPTIONS.entries()),
+            ...Object.fromEntries(connection_string_1.FEATURE_FLAGS.entries())
+        };
+        if (typeof seeds === 'string') {
+            seeds = [utils_1.HostAddress.fromString(seeds)];
+        }
+        else if (!Array.isArray(seeds)) {
+            seeds = [seeds];
+        }
+        const seedlist = [];
+        for (const seed of seeds) {
+            if (typeof seed === 'string') {
+                seedlist.push(utils_1.HostAddress.fromString(seed));
+            }
+            else if (seed instanceof utils_1.HostAddress) {
+                seedlist.push(seed);
+            }
+            else {
+                // FIXME(NODE-3483): May need to be a MongoParseError
+                throw new error_1.MongoRuntimeError(`Topology cannot be constructed from ${JSON.stringify(seed)}`);
+            }
+        }
+        const topologyType = topologyTypeFromOptions(options);
+        const topologyId = globalTopologyCounter++;
+        const selectedHosts = options.srvMaxHosts == null ||
+            options.srvMaxHosts === 0 ||
+            options.srvMaxHosts >= seedlist.length
+            ? seedlist
+            : (0, utils_1.shuffle)(seedlist, options.srvMaxHosts);
+        const serverDescriptions = new Map();
+        for (const hostAddress of selectedHosts) {
+            serverDescriptions.set(hostAddress.toString(), new server_description_1.ServerDescription(hostAddress));
+        }
+        this[kWaitQueue] = new Denque();
+        this.s = {
+            // the id of this topology
+            id: topologyId,
+            // passed in options
+            options,
+            // initial seedlist of servers to connect to
+            seedlist,
+            // initial state
+            state: common_1.STATE_CLOSED,
+            // the topology description
+            description: new topology_description_1.TopologyDescription(topologyType, serverDescriptions, options.replicaSet, undefined, undefined, undefined, options),
+            serverSelectionTimeoutMS: options.serverSelectionTimeoutMS,
+            heartbeatFrequencyMS: options.heartbeatFrequencyMS,
+            minHeartbeatFrequencyMS: options.minHeartbeatFrequencyMS,
+            // a map of server instances to normalized addresses
+            servers: new Map(),
+            credentials: options === null || options === void 0 ? void 0 : options.credentials,
+            clusterTime: undefined,
+            // timer management
+            connectionTimers: new Set(),
+            detectShardedTopology: ev => this.detectShardedTopology(ev),
+            detectSrvRecords: ev => this.detectSrvRecords(ev)
+        };
+        if (options.srvHost && !options.loadBalanced) {
+            this.s.srvPoller =
+                (_a = options.srvPoller) !== null && _a !== void 0 ? _a : new srv_polling_1.SrvPoller({
+                    heartbeatFrequencyMS: this.s.heartbeatFrequencyMS,
+                    srvHost: options.srvHost,
+                    srvMaxHosts: options.srvMaxHosts,
+                    srvServiceName: options.srvServiceName
+                });
+            this.on(Topology.TOPOLOGY_DESCRIPTION_CHANGED, this.s.detectShardedTopology);
+        }
+    }
+    detectShardedTopology(event) {
+        var _a, _b, _c;
+        const previousType = event.previousDescription.type;
+        const newType = event.newDescription.type;
+        const transitionToSharded = previousType !== common_1.TopologyType.Sharded && newType === common_1.TopologyType.Sharded;
+        const srvListeners = (_a = this.s.srvPoller) === null || _a === void 0 ? void 0 : _a.listeners(srv_polling_1.SrvPoller.SRV_RECORD_DISCOVERY);
+        const listeningToSrvPolling = !!(srvListeners === null || srvListeners === void 0 ? void 0 : srvListeners.includes(this.s.detectSrvRecords));
+        if (transitionToSharded && !listeningToSrvPolling) {
+            (_b = this.s.srvPoller) === null || _b === void 0 ? void 0 : _b.on(srv_polling_1.SrvPoller.SRV_RECORD_DISCOVERY, this.s.detectSrvRecords);
+            (_c = this.s.srvPoller) === null || _c === void 0 ? void 0 : _c.start();
+        }
+    }
+    detectSrvRecords(ev) {
+        const previousTopologyDescription = this.s.description;
+        this.s.description = this.s.description.updateFromSrvPollingEvent(ev, this.s.options.srvMaxHosts);
+        if (this.s.description === previousTopologyDescription) {
+            // Nothing changed, so return
+            return;
+        }
+        updateServers(this);
+        this.emit(Topology.TOPOLOGY_DESCRIPTION_CHANGED, new events_1.TopologyDescriptionChangedEvent(this.s.id, previousTopologyDescription, this.s.description));
+    }
+    /**
+     * @returns A `TopologyDescription` for this topology
+     */
+    get description() {
+        return this.s.description;
+    }
+    get loadBalanced() {
+        return this.s.options.loadBalanced;
+    }
+    get capabilities() {
+        return new ServerCapabilities(this.lastHello());
+    }
+    /** Initiate server connect */
+    connect(options, callback) {
+        var _a;
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        options = options !== null && options !== void 0 ? options : {};
+        if (this.s.state === common_1.STATE_CONNECTED) {
+            if (typeof callback === 'function') {
+                callback();
+            }
+            return;
+        }
+        stateTransition(this, common_1.STATE_CONNECTING);
+        // emit SDAM monitoring events
+        this.emit(Topology.TOPOLOGY_OPENING, new events_1.TopologyOpeningEvent(this.s.id));
+        // emit an event for the topology change
+        this.emit(Topology.TOPOLOGY_DESCRIPTION_CHANGED, new events_1.TopologyDescriptionChangedEvent(this.s.id, new topology_description_1.TopologyDescription(common_1.TopologyType.Unknown), // initial is always Unknown
+        this.s.description));
+        // connect all known servers, then attempt server selection to connect
+        const serverDescriptions = Array.from(this.s.description.servers.values());
+        this.s.servers = new Map(serverDescriptions.map(serverDescription => [
+            serverDescription.address,
+            createAndConnectServer(this, serverDescription)
+        ]));
+        // In load balancer mode we need to fake a server description getting
+        // emitted from the monitor, since the monitor doesn't exist.
+        if (this.s.options.loadBalanced) {
+            for (const description of serverDescriptions) {
+                const newDescription = new server_description_1.ServerDescription(description.hostAddress, undefined, {
+                    loadBalanced: this.s.options.loadBalanced
+                });
+                this.serverUpdateHandler(newDescription);
+            }
+        }
+        const exitWithError = (error) => callback ? callback(error) : this.emit(Topology.ERROR, error);
+        const readPreference = (_a = options.readPreference) !== null && _a !== void 0 ? _a : read_preference_1.ReadPreference.primary;
+        this.selectServer((0, server_selection_1.readPreferenceServerSelector)(readPreference), options, (err, server) => {
+            if (err) {
+                return this.close({ force: false }, () => exitWithError(err));
+            }
+            // TODO: NODE-2471
+            const skipPingOnConnect = this.s.options[Symbol.for('@@mdb.skipPingOnConnect')] === true;
+            if (!skipPingOnConnect && server && this.s.credentials) {
+                server.command((0, utils_1.ns)('admin.$cmd'), { ping: 1 }, {}, err => {
+                    if (err) {
+                        return exitWithError(err);
+                    }
+                    stateTransition(this, common_1.STATE_CONNECTED);
+                    this.emit(Topology.OPEN, this);
+                    this.emit(Topology.CONNECT, this);
+                    callback === null || callback === void 0 ? void 0 : callback(undefined, this);
+                });
+                return;
+            }
+            stateTransition(this, common_1.STATE_CONNECTED);
+            this.emit(Topology.OPEN, this);
+            this.emit(Topology.CONNECT, this);
+            callback === null || callback === void 0 ? void 0 : callback(undefined, this);
+        });
+    }
+    /** Close this topology */
+    close(options, callback) {
+        if (typeof options === 'function') {
+            callback = options;
+            options = {};
+        }
+        if (typeof options === 'boolean') {
+            options = { force: options };
+        }
+        options = options !== null && options !== void 0 ? options : {};
+        if (this.s.state === common_1.STATE_CLOSED || this.s.state === common_1.STATE_CLOSING) {
+            return callback === null || callback === void 0 ? void 0 : callback();
+        }
+        const destroyedServers = Array.from(this.s.servers.values(), server => {
+            return (0, util_1.promisify)(destroyServer)(server, this, options);
+        });
+        Promise.all(destroyedServers)
+            .then(() => {
+            this.s.servers.clear();
+            stateTransition(this, common_1.STATE_CLOSING);
+            drainWaitQueue(this[kWaitQueue], new error_1.MongoTopologyClosedError());
+            (0, common_1.drainTimerQueue)(this.s.connectionTimers);
+            if (this.s.srvPoller) {
+                this.s.srvPoller.stop();
+                this.s.srvPoller.removeListener(srv_polling_1.SrvPoller.SRV_RECORD_DISCOVERY, this.s.detectSrvRecords);
+            }
+            this.removeListener(Topology.TOPOLOGY_DESCRIPTION_CHANGED, this.s.detectShardedTopology);
+            stateTransition(this, common_1.STATE_CLOSED);
+            // emit an event for close
+            this.emit(Topology.TOPOLOGY_CLOSED, new events_1.TopologyClosedEvent(this.s.id));
+        })
+            .finally(() => callback === null || callback === void 0 ? void 0 : callback());
+    }
+    /**
+     * Selects a server according to the selection predicate provided
+     *
+     * @param selector - An optional selector to select servers by, defaults to a random selection within a latency window
+     * @param options - Optional settings related to server selection
+     * @param callback - The callback used to indicate success or failure
+     * @returns An instance of a `Server` meeting the criteria of the predicate provided
+     */
+    selectServer(selector, options, callback) {
+        let serverSelector;
+        if (typeof selector !== 'function') {
+            if (typeof selector === 'string') {
+                serverSelector = (0, server_selection_1.readPreferenceServerSelector)(read_preference_1.ReadPreference.fromString(selector));
+            }
+            else {
+                let readPreference;
+                if (selector instanceof read_preference_1.ReadPreference) {
+                    readPreference = selector;
+                }
+                else {
+                    read_preference_1.ReadPreference.translate(options);
+                    readPreference = options.readPreference || read_preference_1.ReadPreference.primary;
+                }
+                serverSelector = (0, server_selection_1.readPreferenceServerSelector)(readPreference);
+            }
+        }
+        else {
+            serverSelector = selector;
+        }
+        options = Object.assign({}, { serverSelectionTimeoutMS: this.s.serverSelectionTimeoutMS }, options);
+        const isSharded = this.description.type === common_1.TopologyType.Sharded;
+        const session = options.session;
+        const transaction = session && session.transaction;
+        if (isSharded && transaction && transaction.server) {
+            callback(undefined, transaction.server);
+            return;
+        }
+        const waitQueueMember = {
+            serverSelector,
+            transaction,
+            callback
+        };
+        const serverSelectionTimeoutMS = options.serverSelectionTimeoutMS;
+        if (serverSelectionTimeoutMS) {
+            waitQueueMember.timer = (0, timers_1.setTimeout)(() => {
+                waitQueueMember[kCancelled] = true;
+                waitQueueMember.timer = undefined;
+                const timeoutError = new error_1.MongoServerSelectionError(`Server selection timed out after ${serverSelectionTimeoutMS} ms`, this.description);
+                waitQueueMember.callback(timeoutError);
+            }, serverSelectionTimeoutMS);
+        }
+        this[kWaitQueue].push(waitQueueMember);
+        processWaitQueue(this);
+    }
+    // Sessions related methods
+    /**
+     * @returns Whether the topology should initiate selection to determine session support
+     */
+    shouldCheckForSessionSupport() {
+        if (this.description.type === common_1.TopologyType.Single) {
+            return !this.description.hasKnownServers;
+        }
+        return !this.description.hasDataBearingServers;
+    }
+    /**
+     * @returns Whether sessions are supported on the current topology
+     */
+    hasSessionSupport() {
+        return this.loadBalanced || this.description.logicalSessionTimeoutMinutes != null;
+    }
+    /**
+     * Update the internal TopologyDescription with a ServerDescription
+     *
+     * @param serverDescription - The server to update in the internal list of server descriptions
+     */
+    serverUpdateHandler(serverDescription) {
+        if (!this.s.description.hasServer(serverDescription.address)) {
+            return;
+        }
+        // ignore this server update if its from an outdated topologyVersion
+        if (isStaleServerDescription(this.s.description, serverDescription)) {
+            return;
+        }
+        // these will be used for monitoring events later
+        const previousTopologyDescription = this.s.description;
+        const previousServerDescription = this.s.description.servers.get(serverDescription.address);
+        if (!previousServerDescription) {
+            return;
+        }
+        // Driver Sessions Spec: "Whenever a driver receives a cluster time from
+        // a server it MUST compare it to the current highest seen cluster time
+        // for the deployment. If the new cluster time is higher than the
+        // highest seen cluster time it MUST become the new highest seen cluster
+        // time. Two cluster times are compared using only the BsonTimestamp
+        // value of the clusterTime embedded field."
+        const clusterTime = serverDescription.$clusterTime;
+        if (clusterTime) {
+            (0, common_1._advanceClusterTime)(this, clusterTime);
+        }
+        // If we already know all the information contained in this updated description, then
+        // we don't need to emit SDAM events, but still need to update the description, in order
+        // to keep client-tracked attributes like last update time and round trip time up to date
+        const equalDescriptions = previousServerDescription && previousServerDescription.equals(serverDescription);
+        // first update the TopologyDescription
+        this.s.description = this.s.description.update(serverDescription);
+        if (this.s.description.compatibilityError) {
+            this.emit(Topology.ERROR, new error_1.MongoCompatibilityError(this.s.description.compatibilityError));
+            return;
+        }
+        // emit monitoring events for this change
+        if (!equalDescriptions) {
+            const newDescription = this.s.description.servers.get(serverDescription.address);
+            if (newDescription) {
+                this.emit(Topology.SERVER_DESCRIPTION_CHANGED, new events_1.ServerDescriptionChangedEvent(this.s.id, serverDescription.address, previousServerDescription, newDescription));
+            }
+        }
+        // update server list from updated descriptions
+        updateServers(this, serverDescription);
+        // attempt to resolve any outstanding server selection attempts
+        if (this[kWaitQueue].length > 0) {
+            processWaitQueue(this);
+        }
+        if (!equalDescriptions) {
+            this.emit(Topology.TOPOLOGY_DESCRIPTION_CHANGED, new events_1.TopologyDescriptionChangedEvent(this.s.id, previousTopologyDescription, this.s.description));
+        }
+    }
+    auth(credentials, callback) {
+        if (typeof credentials === 'function')
+            (callback = credentials), (credentials = undefined);
+        if (typeof callback === 'function')
+            callback(undefined, true);
+    }
+    get clientMetadata() {
+        return this.s.options.metadata;
+    }
+    isConnected() {
+        return this.s.state === common_1.STATE_CONNECTED;
+    }
+    isDestroyed() {
+        return this.s.state === common_1.STATE_CLOSED;
+    }
+    /**
+     * @deprecated This function is deprecated and will be removed in the next major version.
+     */
+    unref() {
+        (0, utils_1.emitWarning)('`unref` is a noop and will be removed in the next major version');
+    }
+    // NOTE: There are many places in code where we explicitly check the last hello
+    //       to do feature support detection. This should be done any other way, but for
+    //       now we will just return the first hello seen, which should suffice.
+    lastHello() {
+        const serverDescriptions = Array.from(this.description.servers.values());
+        if (serverDescriptions.length === 0)
+            return {};
+        const sd = serverDescriptions.filter((sd) => sd.type !== common_1.ServerType.Unknown)[0];
+        const result = sd || { maxWireVersion: this.description.commonWireVersion };
+        return result;
+    }
+    get commonWireVersion() {
+        return this.description.commonWireVersion;
+    }
+    get logicalSessionTimeoutMinutes() {
+        return this.description.logicalSessionTimeoutMinutes;
+    }
+    get clusterTime() {
+        return this.s.clusterTime;
+    }
+    set clusterTime(clusterTime) {
+        this.s.clusterTime = clusterTime;
+    }
+}
+exports.Topology = Topology;
+/** @event */
+Topology.SERVER_OPENING = constants_1.SERVER_OPENING;
+/** @event */
+Topology.SERVER_CLOSED = constants_1.SERVER_CLOSED;
+/** @event */
+Topology.SERVER_DESCRIPTION_CHANGED = constants_1.SERVER_DESCRIPTION_CHANGED;
+/** @event */
+Topology.TOPOLOGY_OPENING = constants_1.TOPOLOGY_OPENING;
+/** @event */
+Topology.TOPOLOGY_CLOSED = constants_1.TOPOLOGY_CLOSED;
+/** @event */
+Topology.TOPOLOGY_DESCRIPTION_CHANGED = constants_1.TOPOLOGY_DESCRIPTION_CHANGED;
+/** @event */
+Topology.ERROR = constants_1.ERROR;
+/** @event */
+Topology.OPEN = constants_1.OPEN;
+/** @event */
+Topology.CONNECT = constants_1.CONNECT;
+/** @event */
+Topology.CLOSE = constants_1.CLOSE;
+/** @event */
+Topology.TIMEOUT = constants_1.TIMEOUT;
+/** Destroys a server, and removes all event listeners from the instance */
+function destroyServer(server, topology, options, callback) {
+    options = options !== null && options !== void 0 ? options : {};
+    for (const event of constants_1.LOCAL_SERVER_EVENTS) {
+        server.removeAllListeners(event);
+    }
+    server.destroy(options, () => {
+        topology.emit(Topology.SERVER_CLOSED, new events_1.ServerClosedEvent(topology.s.id, server.description.address));
+        for (const event of constants_1.SERVER_RELAY_EVENTS) {
+            server.removeAllListeners(event);
+        }
+        if (typeof callback === 'function') {
+            callback();
+        }
+    });
+}
+/** Predicts the TopologyType from options */
+function topologyTypeFromOptions(options) {
+    if (options === null || options === void 0 ? void 0 : options.directConnection) {
+        return common_1.TopologyType.Single;
+    }
+    if (options === null || options === void 0 ? void 0 : options.replicaSet) {
+        return common_1.TopologyType.ReplicaSetNoPrimary;
+    }
+    if (options === null || options === void 0 ? void 0 : options.loadBalanced) {
+        return common_1.TopologyType.LoadBalanced;
+    }
+    return common_1.TopologyType.Unknown;
+}
+/**
+ * Creates new server instances and attempts to connect them
+ *
+ * @param topology - The topology that this server belongs to
+ * @param serverDescription - The description for the server to initialize and connect to
+ */
+function createAndConnectServer(topology, serverDescription) {
+    topology.emit(Topology.SERVER_OPENING, new events_1.ServerOpeningEvent(topology.s.id, serverDescription.address));
+    const server = new server_1.Server(topology, serverDescription, topology.s.options);
+    for (const event of constants_1.SERVER_RELAY_EVENTS) {
+        server.on(event, (e) => topology.emit(event, e));
+    }
+    server.on(server_1.Server.DESCRIPTION_RECEIVED, description => topology.serverUpdateHandler(description));
+    server.connect();
+    return server;
+}
+/**
+ * @param topology - Topology to update.
+ * @param incomingServerDescription - New server description.
+ */
+function updateServers(topology, incomingServerDescription) {
+    // update the internal server's description
+    if (incomingServerDescription && topology.s.servers.has(incomingServerDescription.address)) {
+        const server = topology.s.servers.get(incomingServerDescription.address);
+        if (server) {
+            server.s.description = incomingServerDescription;
+        }
+    }
+    // add new servers for all descriptions we currently don't know about locally
+    for (const serverDescription of topology.description.servers.values()) {
+        if (!topology.s.servers.has(serverDescription.address)) {
+            const server = createAndConnectServer(topology, serverDescription);
+            topology.s.servers.set(serverDescription.address, server);
+        }
+    }
+    // for all servers no longer known, remove their descriptions and destroy their instances
+    for (const entry of topology.s.servers) {
+        const serverAddress = entry[0];
+        if (topology.description.hasServer(serverAddress)) {
+            continue;
+        }
+        if (!topology.s.servers.has(serverAddress)) {
+            continue;
+        }
+        const server = topology.s.servers.get(serverAddress);
+        topology.s.servers.delete(serverAddress);
+        // prepare server for garbage collection
+        if (server) {
+            destroyServer(server, topology);
+        }
+    }
+}
+function drainWaitQueue(queue, err) {
+    while (queue.length) {
+        const waitQueueMember = queue.shift();
+        if (!waitQueueMember) {
+            continue;
+        }
+        if (waitQueueMember.timer) {
+            (0, timers_1.clearTimeout)(waitQueueMember.timer);
+        }
+        if (!waitQueueMember[kCancelled]) {
+            waitQueueMember.callback(err);
+        }
+    }
+}
+function processWaitQueue(topology) {
+    if (topology.s.state === common_1.STATE_CLOSED) {
+        drainWaitQueue(topology[kWaitQueue], new error_1.MongoTopologyClosedError());
+        return;
+    }
+    const isSharded = topology.description.type === common_1.TopologyType.Sharded;
+    const serverDescriptions = Array.from(topology.description.servers.values());
+    const membersToProcess = topology[kWaitQueue].length;
+    for (let i = 0; i < membersToProcess; ++i) {
+        const waitQueueMember = topology[kWaitQueue].shift();
+        if (!waitQueueMember) {
+            continue;
+        }
+        if (waitQueueMember[kCancelled]) {
+            continue;
+        }
+        let selectedDescriptions;
+        try {
+            const serverSelector = waitQueueMember.serverSelector;
+            selectedDescriptions = serverSelector
+                ? serverSelector(topology.description, serverDescriptions)
+                : serverDescriptions;
+        }
+        catch (e) {
+            if (waitQueueMember.timer) {
+                (0, timers_1.clearTimeout)(waitQueueMember.timer);
+            }
+            waitQueueMember.callback(e);
+            continue;
+        }
+        let selectedServer;
+        if (selectedDescriptions.length === 0) {
+            topology[kWaitQueue].push(waitQueueMember);
+            continue;
+        }
+        else if (selectedDescriptions.length === 1) {
+            selectedServer = topology.s.servers.get(selectedDescriptions[0].address);
+        }
+        else {
+            // don't shuffle the array if there are only two elements
+            const descriptions = selectedDescriptions.length === 2 ? selectedDescriptions : (0, utils_1.shuffle)(selectedDescriptions, 2);
+            const server1 = topology.s.servers.get(descriptions[0].address);
+            const server2 = topology.s.servers.get(descriptions[1].address);
+            selectedServer =
+                server1 && server2 && server1.s.operationCount < server2.s.operationCount
+                    ? server1
+                    : server2;
+        }
+        if (!selectedServer) {
+            waitQueueMember.callback(new error_1.MongoServerSelectionError('server selection returned a server description but the server was not found in the topology', topology.description));
+            return;
+        }
+        const transaction = waitQueueMember.transaction;
+        if (isSharded && transaction && transaction.isActive && selectedServer) {
+            transaction.pinServer(selectedServer);
+        }
+        if (waitQueueMember.timer) {
+            (0, timers_1.clearTimeout)(waitQueueMember.timer);
+        }
+        waitQueueMember.callback(undefined, selectedServer);
+    }
+    if (topology[kWaitQueue].length > 0) {
+        // ensure all server monitors attempt monitoring soon
+        for (const [, server] of topology.s.servers) {
+            process.nextTick(function scheduleServerCheck() {
+                return server.requestCheck();
+            });
+        }
+    }
+}
+function isStaleServerDescription(topologyDescription, incomingServerDescription) {
+    const currentServerDescription = topologyDescription.servers.get(incomingServerDescription.address);
+    const currentTopologyVersion = currentServerDescription === null || currentServerDescription === void 0 ? void 0 : currentServerDescription.topologyVersion;
+    return ((0, server_description_1.compareTopologyVersion)(currentTopologyVersion, incomingServerDescription.topologyVersion) > 0);
+}
+/** @public */
+class ServerCapabilities {
+    constructor(hello) {
+        this.minWireVersion = hello.minWireVersion || 0;
+        this.maxWireVersion = hello.maxWireVersion || 0;
+    }
+    get hasAggregationCursor() {
+        return this.maxWireVersion >= 1;
+    }
+    get hasWriteCommands() {
+        return this.maxWireVersion >= 2;
+    }
+    get hasTextSearch() {
+        return this.minWireVersion >= 0;
+    }
+    get hasAuthCommands() {
+        return this.maxWireVersion >= 1;
+    }
+    get hasListCollectionsCommand() {
+        return this.maxWireVersion >= 3;
+    }
+    get hasListIndexesCommand() {
+        return this.maxWireVersion >= 3;
+    }
+    get supportsSnapshotReads() {
+        return this.maxWireVersion >= 13;
+    }
+    get commandsTakeWriteConcern() {
+        return this.maxWireVersion >= 5;
+    }
+    get commandsTakeCollation() {
+        return this.maxWireVersion >= 5;
+    }
+}
+exports.ServerCapabilities = ServerCapabilities;
+//# sourceMappingURL=topology.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/topology.js.map b/node_modules/mongoose/node_modules/mongodb/lib/sdam/topology.js.map
new file mode 100644
index 000000000..61f32da6b
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/topology.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/topology_description.js b/node_modules/mongoose/node_modules/mongodb/lib/sdam/topology_description.js
new file mode 100644
index 000000000..0ec7e5988
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/topology_description.js
@@ -0,0 +1,340 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.TopologyDescription = void 0;
+const WIRE_CONSTANTS = require("../cmap/wire_protocol/constants");
+const error_1 = require("../error");
+const utils_1 = require("../utils");
+const common_1 = require("./common");
+const server_description_1 = require("./server_description");
+// constants related to compatibility checks
+const MIN_SUPPORTED_SERVER_VERSION = WIRE_CONSTANTS.MIN_SUPPORTED_SERVER_VERSION;
+const MAX_SUPPORTED_SERVER_VERSION = WIRE_CONSTANTS.MAX_SUPPORTED_SERVER_VERSION;
+const MIN_SUPPORTED_WIRE_VERSION = WIRE_CONSTANTS.MIN_SUPPORTED_WIRE_VERSION;
+const MAX_SUPPORTED_WIRE_VERSION = WIRE_CONSTANTS.MAX_SUPPORTED_WIRE_VERSION;
+const MONGOS_OR_UNKNOWN = new Set([common_1.ServerType.Mongos, common_1.ServerType.Unknown]);
+const MONGOS_OR_STANDALONE = new Set([common_1.ServerType.Mongos, common_1.ServerType.Standalone]);
+const NON_PRIMARY_RS_MEMBERS = new Set([
+    common_1.ServerType.RSSecondary,
+    common_1.ServerType.RSArbiter,
+    common_1.ServerType.RSOther
+]);
+/**
+ * Representation of a deployment of servers
+ * @public
+ */
+class TopologyDescription {
+    /**
+     * Create a TopologyDescription
+     */
+    constructor(topologyType, serverDescriptions = null, setName = null, maxSetVersion = null, maxElectionId = null, commonWireVersion = null, options = null) {
+        var _a, _b;
+        options = options !== null && options !== void 0 ? options : {};
+        this.type = topologyType !== null && topologyType !== void 0 ? topologyType : common_1.TopologyType.Unknown;
+        this.servers = serverDescriptions !== null && serverDescriptions !== void 0 ? serverDescriptions : new Map();
+        this.stale = false;
+        this.compatible = true;
+        this.heartbeatFrequencyMS = (_a = options.heartbeatFrequencyMS) !== null && _a !== void 0 ? _a : 0;
+        this.localThresholdMS = (_b = options.localThresholdMS) !== null && _b !== void 0 ? _b : 15;
+        this.setName = setName !== null && setName !== void 0 ? setName : null;
+        this.maxElectionId = maxElectionId !== null && maxElectionId !== void 0 ? maxElectionId : null;
+        this.maxSetVersion = maxSetVersion !== null && maxSetVersion !== void 0 ? maxSetVersion : null;
+        this.commonWireVersion = commonWireVersion !== null && commonWireVersion !== void 0 ? commonWireVersion : 0;
+        // determine server compatibility
+        for (const serverDescription of this.servers.values()) {
+            // Load balancer mode is always compatible.
+            if (serverDescription.type === common_1.ServerType.Unknown ||
+                serverDescription.type === common_1.ServerType.LoadBalancer) {
+                continue;
+            }
+            if (serverDescription.minWireVersion > MAX_SUPPORTED_WIRE_VERSION) {
+                this.compatible = false;
+                this.compatibilityError = `Server at ${serverDescription.address} requires wire version ${serverDescription.minWireVersion}, but this version of the driver only supports up to ${MAX_SUPPORTED_WIRE_VERSION} (MongoDB ${MAX_SUPPORTED_SERVER_VERSION})`;
+            }
+            if (serverDescription.maxWireVersion < MIN_SUPPORTED_WIRE_VERSION) {
+                this.compatible = false;
+                this.compatibilityError = `Server at ${serverDescription.address} reports wire version ${serverDescription.maxWireVersion}, but this version of the driver requires at least ${MIN_SUPPORTED_WIRE_VERSION} (MongoDB ${MIN_SUPPORTED_SERVER_VERSION}).`;
+                break;
+            }
+        }
+        // Whenever a client updates the TopologyDescription from a hello response, it MUST set
+        // TopologyDescription.logicalSessionTimeoutMinutes to the smallest logicalSessionTimeoutMinutes
+        // value among ServerDescriptions of all data-bearing server types. If any have a null
+        // logicalSessionTimeoutMinutes, then TopologyDescription.logicalSessionTimeoutMinutes MUST be
+        // set to null.
+        this.logicalSessionTimeoutMinutes = null;
+        for (const [, server] of this.servers) {
+            if (server.isReadable) {
+                if (server.logicalSessionTimeoutMinutes == null) {
+                    // If any of the servers have a null logicalSessionsTimeout, then the whole topology does
+                    this.logicalSessionTimeoutMinutes = null;
+                    break;
+                }
+                if (this.logicalSessionTimeoutMinutes == null) {
+                    // First server with a non null logicalSessionsTimeout
+                    this.logicalSessionTimeoutMinutes = server.logicalSessionTimeoutMinutes;
+                    continue;
+                }
+                // Always select the smaller of the:
+                // current server logicalSessionsTimeout and the topologies logicalSessionsTimeout
+                this.logicalSessionTimeoutMinutes = Math.min(this.logicalSessionTimeoutMinutes, server.logicalSessionTimeoutMinutes);
+            }
+        }
+    }
+    /**
+     * Returns a new TopologyDescription based on the SrvPollingEvent
+     * @internal
+     */
+    updateFromSrvPollingEvent(ev, srvMaxHosts = 0) {
+        /** The SRV addresses defines the set of addresses we should be using */
+        const incomingHostnames = ev.hostnames();
+        const currentHostnames = new Set(this.servers.keys());
+        const hostnamesToAdd = new Set(incomingHostnames);
+        const hostnamesToRemove = new Set();
+        for (const hostname of currentHostnames) {
+            // filter hostnamesToAdd (made from incomingHostnames) down to what is *not* present in currentHostnames
+            hostnamesToAdd.delete(hostname);
+            if (!incomingHostnames.has(hostname)) {
+                // If the SRV Records no longer include this hostname
+                // we have to stop using it
+                hostnamesToRemove.add(hostname);
+            }
+        }
+        if (hostnamesToAdd.size === 0 && hostnamesToRemove.size === 0) {
+            // No new hosts to add and none to remove
+            return this;
+        }
+        const serverDescriptions = new Map(this.servers);
+        for (const removedHost of hostnamesToRemove) {
+            serverDescriptions.delete(removedHost);
+        }
+        if (hostnamesToAdd.size > 0) {
+            if (srvMaxHosts === 0) {
+                // Add all!
+                for (const hostToAdd of hostnamesToAdd) {
+                    serverDescriptions.set(hostToAdd, new server_description_1.ServerDescription(hostToAdd));
+                }
+            }
+            else if (serverDescriptions.size < srvMaxHosts) {
+                // Add only the amount needed to get us back to srvMaxHosts
+                const selectedHosts = (0, utils_1.shuffle)(hostnamesToAdd, srvMaxHosts - serverDescriptions.size);
+                for (const selectedHostToAdd of selectedHosts) {
+                    serverDescriptions.set(selectedHostToAdd, new server_description_1.ServerDescription(selectedHostToAdd));
+                }
+            }
+        }
+        return new TopologyDescription(this.type, serverDescriptions, this.setName, this.maxSetVersion, this.maxElectionId, this.commonWireVersion, { heartbeatFrequencyMS: this.heartbeatFrequencyMS, localThresholdMS: this.localThresholdMS });
+    }
+    /**
+     * Returns a copy of this description updated with a given ServerDescription
+     * @internal
+     */
+    update(serverDescription) {
+        const address = serverDescription.address;
+        // potentially mutated values
+        let { type: topologyType, setName, maxSetVersion, maxElectionId, commonWireVersion } = this;
+        const serverType = serverDescription.type;
+        const serverDescriptions = new Map(this.servers);
+        // update common wire version
+        if (serverDescription.maxWireVersion !== 0) {
+            if (commonWireVersion == null) {
+                commonWireVersion = serverDescription.maxWireVersion;
+            }
+            else {
+                commonWireVersion = Math.min(commonWireVersion, serverDescription.maxWireVersion);
+            }
+        }
+        if (typeof serverDescription.setName === 'string' &&
+            typeof setName === 'string' &&
+            serverDescription.setName !== setName) {
+            if (topologyType === common_1.TopologyType.Single) {
+                // "Single" Topology with setName mismatch is direct connection usage, mark unknown do not remove
+                serverDescription = new server_description_1.ServerDescription(address);
+            }
+            else {
+                serverDescriptions.delete(address);
+            }
+        }
+        // update the actual server description
+        serverDescriptions.set(address, serverDescription);
+        if (topologyType === common_1.TopologyType.Single) {
+            // once we are defined as single, that never changes
+            return new TopologyDescription(common_1.TopologyType.Single, serverDescriptions, setName, maxSetVersion, maxElectionId, commonWireVersion, { heartbeatFrequencyMS: this.heartbeatFrequencyMS, localThresholdMS: this.localThresholdMS });
+        }
+        if (topologyType === common_1.TopologyType.Unknown) {
+            if (serverType === common_1.ServerType.Standalone && this.servers.size !== 1) {
+                serverDescriptions.delete(address);
+            }
+            else {
+                topologyType = topologyTypeForServerType(serverType);
+            }
+        }
+        if (topologyType === common_1.TopologyType.Sharded) {
+            if (!MONGOS_OR_UNKNOWN.has(serverType)) {
+                serverDescriptions.delete(address);
+            }
+        }
+        if (topologyType === common_1.TopologyType.ReplicaSetNoPrimary) {
+            if (MONGOS_OR_STANDALONE.has(serverType)) {
+                serverDescriptions.delete(address);
+            }
+            if (serverType === common_1.ServerType.RSPrimary) {
+                const result = updateRsFromPrimary(serverDescriptions, serverDescription, setName, maxSetVersion, maxElectionId);
+                topologyType = result[0];
+                setName = result[1];
+                maxSetVersion = result[2];
+                maxElectionId = result[3];
+            }
+            else if (NON_PRIMARY_RS_MEMBERS.has(serverType)) {
+                const result = updateRsNoPrimaryFromMember(serverDescriptions, serverDescription, setName);
+                topologyType = result[0];
+                setName = result[1];
+            }
+        }
+        if (topologyType === common_1.TopologyType.ReplicaSetWithPrimary) {
+            if (MONGOS_OR_STANDALONE.has(serverType)) {
+                serverDescriptions.delete(address);
+                topologyType = checkHasPrimary(serverDescriptions);
+            }
+            else if (serverType === common_1.ServerType.RSPrimary) {
+                const result = updateRsFromPrimary(serverDescriptions, serverDescription, setName, maxSetVersion, maxElectionId);
+                topologyType = result[0];
+                setName = result[1];
+                maxSetVersion = result[2];
+                maxElectionId = result[3];
+            }
+            else if (NON_PRIMARY_RS_MEMBERS.has(serverType)) {
+                topologyType = updateRsWithPrimaryFromMember(serverDescriptions, serverDescription, setName);
+            }
+            else {
+                topologyType = checkHasPrimary(serverDescriptions);
+            }
+        }
+        return new TopologyDescription(topologyType, serverDescriptions, setName, maxSetVersion, maxElectionId, commonWireVersion, { heartbeatFrequencyMS: this.heartbeatFrequencyMS, localThresholdMS: this.localThresholdMS });
+    }
+    get error() {
+        const descriptionsWithError = Array.from(this.servers.values()).filter((sd) => sd.error);
+        if (descriptionsWithError.length > 0) {
+            return descriptionsWithError[0].error;
+        }
+        return null;
+    }
+    /**
+     * Determines if the topology description has any known servers
+     */
+    get hasKnownServers() {
+        return Array.from(this.servers.values()).some((sd) => sd.type !== common_1.ServerType.Unknown);
+    }
+    /**
+     * Determines if this topology description has a data-bearing server available.
+     */
+    get hasDataBearingServers() {
+        return Array.from(this.servers.values()).some((sd) => sd.isDataBearing);
+    }
+    /**
+     * Determines if the topology has a definition for the provided address
+     * @internal
+     */
+    hasServer(address) {
+        return this.servers.has(address);
+    }
+}
+exports.TopologyDescription = TopologyDescription;
+function topologyTypeForServerType(serverType) {
+    switch (serverType) {
+        case common_1.ServerType.Standalone:
+            return common_1.TopologyType.Single;
+        case common_1.ServerType.Mongos:
+            return common_1.TopologyType.Sharded;
+        case common_1.ServerType.RSPrimary:
+            return common_1.TopologyType.ReplicaSetWithPrimary;
+        case common_1.ServerType.RSOther:
+        case common_1.ServerType.RSSecondary:
+            return common_1.TopologyType.ReplicaSetNoPrimary;
+        default:
+            return common_1.TopologyType.Unknown;
+    }
+}
+function updateRsFromPrimary(serverDescriptions, serverDescription, setName = null, maxSetVersion = null, maxElectionId = null) {
+    setName = setName || serverDescription.setName;
+    if (setName !== serverDescription.setName) {
+        serverDescriptions.delete(serverDescription.address);
+        return [checkHasPrimary(serverDescriptions), setName, maxSetVersion, maxElectionId];
+    }
+    const electionId = serverDescription.electionId ? serverDescription.electionId : null;
+    if (serverDescription.setVersion && electionId) {
+        if (maxSetVersion && maxElectionId) {
+            if (maxSetVersion > serverDescription.setVersion ||
+                (0, utils_1.compareObjectId)(maxElectionId, electionId) > 0) {
+                // this primary is stale, we must remove it
+                serverDescriptions.set(serverDescription.address, new server_description_1.ServerDescription(serverDescription.address));
+                return [checkHasPrimary(serverDescriptions), setName, maxSetVersion, maxElectionId];
+            }
+        }
+        maxElectionId = serverDescription.electionId;
+    }
+    if (serverDescription.setVersion != null &&
+        (maxSetVersion == null || serverDescription.setVersion > maxSetVersion)) {
+        maxSetVersion = serverDescription.setVersion;
+    }
+    // We've heard from the primary. Is it the same primary as before?
+    for (const [address, server] of serverDescriptions) {
+        if (server.type === common_1.ServerType.RSPrimary && server.address !== serverDescription.address) {
+            // Reset old primary's type to Unknown.
+            serverDescriptions.set(address, new server_description_1.ServerDescription(server.address));
+            // There can only be one primary
+            break;
+        }
+    }
+    // Discover new hosts from this primary's response.
+    serverDescription.allHosts.forEach((address) => {
+        if (!serverDescriptions.has(address)) {
+            serverDescriptions.set(address, new server_description_1.ServerDescription(address));
+        }
+    });
+    // Remove hosts not in the response.
+    const currentAddresses = Array.from(serverDescriptions.keys());
+    const responseAddresses = serverDescription.allHosts;
+    currentAddresses
+        .filter((addr) => responseAddresses.indexOf(addr) === -1)
+        .forEach((address) => {
+        serverDescriptions.delete(address);
+    });
+    return [checkHasPrimary(serverDescriptions), setName, maxSetVersion, maxElectionId];
+}
+function updateRsWithPrimaryFromMember(serverDescriptions, serverDescription, setName = null) {
+    if (setName == null) {
+        // TODO(NODE-3483): should be an appropriate runtime error
+        throw new error_1.MongoRuntimeError('Argument "setName" is required if connected to a replica set');
+    }
+    if (setName !== serverDescription.setName ||
+        (serverDescription.me && serverDescription.address !== serverDescription.me)) {
+        serverDescriptions.delete(serverDescription.address);
+    }
+    return checkHasPrimary(serverDescriptions);
+}
+function updateRsNoPrimaryFromMember(serverDescriptions, serverDescription, setName = null) {
+    const topologyType = common_1.TopologyType.ReplicaSetNoPrimary;
+    setName = setName !== null && setName !== void 0 ? setName : serverDescription.setName;
+    if (setName !== serverDescription.setName) {
+        serverDescriptions.delete(serverDescription.address);
+        return [topologyType, setName];
+    }
+    serverDescription.allHosts.forEach((address) => {
+        if (!serverDescriptions.has(address)) {
+            serverDescriptions.set(address, new server_description_1.ServerDescription(address));
+        }
+    });
+    if (serverDescription.me && serverDescription.address !== serverDescription.me) {
+        serverDescriptions.delete(serverDescription.address);
+    }
+    return [topologyType, setName];
+}
+function checkHasPrimary(serverDescriptions) {
+    for (const serverDescription of serverDescriptions.values()) {
+        if (serverDescription.type === common_1.ServerType.RSPrimary) {
+            return common_1.TopologyType.ReplicaSetWithPrimary;
+        }
+    }
+    return common_1.TopologyType.ReplicaSetNoPrimary;
+}
+//# sourceMappingURL=topology_description.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sdam/topology_description.js.map b/node_modules/mongoose/node_modules/mongodb/lib/sdam/topology_description.js.map
new file mode 100644
index 000000000..07a78b2c1
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sdam/topology_description.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sessions.js b/node_modules/mongoose/node_modules/mongodb/lib/sessions.js
new file mode 100644
index 000000000..15c595e12
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sessions.js
@@ -0,0 +1,746 @@
+"use strict";
+var _a;
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.updateSessionFromResponse = exports.applySession = exports.ServerSessionPool = exports.ServerSession = exports.maybeClearPinnedConnection = exports.ClientSession = void 0;
+const bson_1 = require("./bson");
+const metrics_1 = require("./cmap/metrics");
+const shared_1 = require("./cmap/wire_protocol/shared");
+const constants_1 = require("./constants");
+const error_1 = require("./error");
+const mongo_types_1 = require("./mongo_types");
+const execute_operation_1 = require("./operations/execute_operation");
+const run_command_1 = require("./operations/run_command");
+const promise_provider_1 = require("./promise_provider");
+const read_concern_1 = require("./read_concern");
+const read_preference_1 = require("./read_preference");
+const common_1 = require("./sdam/common");
+const transactions_1 = require("./transactions");
+const utils_1 = require("./utils");
+const minWireVersionForShardedTransactions = 8;
+/** @internal */
+const kServerSession = Symbol('serverSession');
+/** @internal */
+const kSnapshotTime = Symbol('snapshotTime');
+/** @internal */
+const kSnapshotEnabled = Symbol('snapshotEnabled');
+/** @internal */
+const kPinnedConnection = Symbol('pinnedConnection');
+/** @internal Accumulates total number of increments to add to txnNumber when applying session to command */
+const kTxnNumberIncrement = Symbol('txnNumberIncrement');
+/**
+ * A class representing a client session on the server
+ *
+ * NOTE: not meant to be instantiated directly.
+ * @public
+ */
+class ClientSession extends mongo_types_1.TypedEventEmitter {
+    /**
+     * Create a client session.
+     * @internal
+     * @param client - The current client
+     * @param sessionPool - The server session pool (Internal Class)
+     * @param options - Optional settings
+     * @param clientOptions - Optional settings provided when creating a MongoClient
+     */
+    constructor(client, sessionPool, options, clientOptions) {
+        super();
+        /** @internal */
+        this[_a] = false;
+        if (client == null) {
+            // TODO(NODE-3483)
+            throw new error_1.MongoRuntimeError('ClientSession requires a MongoClient');
+        }
+        if (sessionPool == null || !(sessionPool instanceof ServerSessionPool)) {
+            // TODO(NODE-3483)
+            throw new error_1.MongoRuntimeError('ClientSession requires a ServerSessionPool');
+        }
+        options = options !== null && options !== void 0 ? options : {};
+        if (options.snapshot === true) {
+            this[kSnapshotEnabled] = true;
+            if (options.causalConsistency === true) {
+                throw new error_1.MongoInvalidArgumentError('Properties "causalConsistency" and "snapshot" are mutually exclusive');
+            }
+        }
+        this.client = client;
+        this.sessionPool = sessionPool;
+        this.hasEnded = false;
+        this.clientOptions = clientOptions;
+        this.explicit = !!options.explicit;
+        this[kServerSession] = this.explicit ? this.sessionPool.acquire() : null;
+        this[kTxnNumberIncrement] = 0;
+        this.supports = {
+            causalConsistency: options.snapshot !== true && options.causalConsistency !== false
+        };
+        this.clusterTime = options.initialClusterTime;
+        this.operationTime = undefined;
+        this.owner = options.owner;
+        this.defaultTransactionOptions = Object.assign({}, options.defaultTransactionOptions);
+        this.transaction = new transactions_1.Transaction();
+    }
+    /** The server id associated with this session */
+    get id() {
+        var _b;
+        return (_b = this[kServerSession]) === null || _b === void 0 ? void 0 : _b.id;
+    }
+    get serverSession() {
+        let serverSession = this[kServerSession];
+        if (serverSession == null) {
+            if (this.explicit) {
+                throw new error_1.MongoRuntimeError('Unexpected null serverSession for an explicit session');
+            }
+            if (this.hasEnded) {
+                throw new error_1.MongoRuntimeError('Unexpected null serverSession for an ended implicit session');
+            }
+            serverSession = this.sessionPool.acquire();
+            this[kServerSession] = serverSession;
+        }
+        return serverSession;
+    }
+    /** Whether or not this session is configured for snapshot reads */
+    get snapshotEnabled() {
+        return this[kSnapshotEnabled];
+    }
+    get loadBalanced() {
+        var _b;
+        return ((_b = this.client.topology) === null || _b === void 0 ? void 0 : _b.description.type) === common_1.TopologyType.LoadBalanced;
+    }
+    /** @internal */
+    get pinnedConnection() {
+        return this[kPinnedConnection];
+    }
+    /** @internal */
+    pin(conn) {
+        if (this[kPinnedConnection]) {
+            throw TypeError('Cannot pin multiple connections to the same session');
+        }
+        this[kPinnedConnection] = conn;
+        conn.emit(constants_1.PINNED, this.inTransaction() ? metrics_1.ConnectionPoolMetrics.TXN : metrics_1.ConnectionPoolMetrics.CURSOR);
+    }
+    /** @internal */
+    unpin(options) {
+        if (this.loadBalanced) {
+            return maybeClearPinnedConnection(this, options);
+        }
+        this.transaction.unpinServer();
+    }
+    get isPinned() {
+        return this.loadBalanced ? !!this[kPinnedConnection] : this.transaction.isPinned;
+    }
+    endSession(options, callback) {
+        if (typeof options === 'function')
+            (callback = options), (options = {});
+        const finalOptions = { force: true, ...options };
+        return (0, utils_1.maybePromise)(callback, done => {
+            if (this.hasEnded) {
+                maybeClearPinnedConnection(this, finalOptions);
+                return done();
+            }
+            const completeEndSession = () => {
+                maybeClearPinnedConnection(this, finalOptions);
+                const serverSession = this[kServerSession];
+                if (serverSession != null) {
+                    // release the server session back to the pool
+                    this.sessionPool.release(serverSession);
+                    // Make sure a new serverSession never makes it onto this ClientSession
+                    Object.defineProperty(this, kServerSession, {
+                        value: ServerSession.clone(serverSession),
+                        writable: false
+                    });
+                }
+                // mark the session as ended, and emit a signal
+                this.hasEnded = true;
+                this.emit('ended', this);
+                // spec indicates that we should ignore all errors for `endSessions`
+                done();
+            };
+            if (this.inTransaction()) {
+                // If we've reached endSession and the transaction is still active
+                // by default we abort it
+                this.abortTransaction(err => {
+                    if (err)
+                        return done(err);
+                    completeEndSession();
+                });
+                return;
+            }
+            completeEndSession();
+        });
+    }
+    /**
+     * Advances the operationTime for a ClientSession.
+     *
+     * @param operationTime - the `BSON.Timestamp` of the operation type it is desired to advance to
+     */
+    advanceOperationTime(operationTime) {
+        if (this.operationTime == null) {
+            this.operationTime = operationTime;
+            return;
+        }
+        if (operationTime.greaterThan(this.operationTime)) {
+            this.operationTime = operationTime;
+        }
+    }
+    /**
+     * Advances the clusterTime for a ClientSession to the provided clusterTime of another ClientSession
+     *
+     * @param clusterTime - the $clusterTime returned by the server from another session in the form of a document containing the `BSON.Timestamp` clusterTime and signature
+     */
+    advanceClusterTime(clusterTime) {
+        var _b, _c;
+        if (!clusterTime || typeof clusterTime !== 'object') {
+            throw new error_1.MongoInvalidArgumentError('input cluster time must be an object');
+        }
+        if (!clusterTime.clusterTime || clusterTime.clusterTime._bsontype !== 'Timestamp') {
+            throw new error_1.MongoInvalidArgumentError('input cluster time "clusterTime" property must be a valid BSON Timestamp');
+        }
+        if (!clusterTime.signature ||
+            ((_b = clusterTime.signature.hash) === null || _b === void 0 ? void 0 : _b._bsontype) !== 'Binary' ||
+            (typeof clusterTime.signature.keyId !== 'number' &&
+                ((_c = clusterTime.signature.keyId) === null || _c === void 0 ? void 0 : _c._bsontype) !== 'Long') // apparently we decode the key to number?
+        ) {
+            throw new error_1.MongoInvalidArgumentError('input cluster time must have a valid "signature" property with BSON Binary hash and BSON Long keyId');
+        }
+        (0, common_1._advanceClusterTime)(this, clusterTime);
+    }
+    /**
+     * Used to determine if this session equals another
+     *
+     * @param session - The session to compare to
+     */
+    equals(session) {
+        if (!(session instanceof ClientSession)) {
+            return false;
+        }
+        if (this.id == null || session.id == null) {
+            return false;
+        }
+        return this.id.id.buffer.equals(session.id.id.buffer);
+    }
+    /**
+     * Increment the transaction number on the internal ServerSession
+     *
+     * @privateRemarks
+     * This helper increments a value stored on the client session that will be
+     * added to the serverSession's txnNumber upon applying it to a command.
+     * This is because the serverSession is lazily acquired after a connection is obtained
+     */
+    incrementTransactionNumber() {
+        this[kTxnNumberIncrement] += 1;
+    }
+    /** @returns whether this session is currently in a transaction or not */
+    inTransaction() {
+        return this.transaction.isActive;
+    }
+    /**
+     * Starts a new transaction with the given options.
+     *
+     * @param options - Options for the transaction
+     */
+    startTransaction(options) {
+        var _b, _c, _d, _e, _f, _g, _h, _j, _k, _l;
+        if (this[kSnapshotEnabled]) {
+            throw new error_1.MongoCompatibilityError('Transactions are not supported in snapshot sessions');
+        }
+        if (this.inTransaction()) {
+            throw new error_1.MongoTransactionError('Transaction already in progress');
+        }
+        if (this.isPinned && this.transaction.isCommitted) {
+            this.unpin();
+        }
+        const topologyMaxWireVersion = (0, utils_1.maxWireVersion)(this.client.topology);
+        if ((0, shared_1.isSharded)(this.client.topology) &&
+            topologyMaxWireVersion != null &&
+            topologyMaxWireVersion < minWireVersionForShardedTransactions) {
+            throw new error_1.MongoCompatibilityError('Transactions are not supported on sharded clusters in MongoDB < 4.2.');
+        }
+        // increment txnNumber
+        this.incrementTransactionNumber();
+        // create transaction state
+        this.transaction = new transactions_1.Transaction({
+            readConcern: (_c = (_b = options === null || options === void 0 ? void 0 : options.readConcern) !== null && _b !== void 0 ? _b : this.defaultTransactionOptions.readConcern) !== null && _c !== void 0 ? _c : (_d = this.clientOptions) === null || _d === void 0 ? void 0 : _d.readConcern,
+            writeConcern: (_f = (_e = options === null || options === void 0 ? void 0 : options.writeConcern) !== null && _e !== void 0 ? _e : this.defaultTransactionOptions.writeConcern) !== null && _f !== void 0 ? _f : (_g = this.clientOptions) === null || _g === void 0 ? void 0 : _g.writeConcern,
+            readPreference: (_j = (_h = options === null || options === void 0 ? void 0 : options.readPreference) !== null && _h !== void 0 ? _h : this.defaultTransactionOptions.readPreference) !== null && _j !== void 0 ? _j : (_k = this.clientOptions) === null || _k === void 0 ? void 0 : _k.readPreference,
+            maxCommitTimeMS: (_l = options === null || options === void 0 ? void 0 : options.maxCommitTimeMS) !== null && _l !== void 0 ? _l : this.defaultTransactionOptions.maxCommitTimeMS
+        });
+        this.transaction.transition(transactions_1.TxnState.STARTING_TRANSACTION);
+    }
+    commitTransaction(callback) {
+        return (0, utils_1.maybePromise)(callback, cb => endTransaction(this, 'commitTransaction', cb));
+    }
+    abortTransaction(callback) {
+        return (0, utils_1.maybePromise)(callback, cb => endTransaction(this, 'abortTransaction', cb));
+    }
+    /**
+     * This is here to ensure that ClientSession is never serialized to BSON.
+     */
+    toBSON() {
+        throw new error_1.MongoRuntimeError('ClientSession cannot be serialized to BSON.');
+    }
+    /**
+     * Runs a provided callback within a transaction, retrying either the commitTransaction operation
+     * or entire transaction as needed (and when the error permits) to better ensure that
+     * the transaction can complete successfully.
+     *
+     * **IMPORTANT:** This method requires the user to return a Promise, and `await` all operations.
+     * Any callbacks that do not return a Promise will result in undefined behavior.
+     *
+     * @remarks
+     * This function:
+     * - Will return the command response from the final commitTransaction if every operation is successful (can be used as a truthy object)
+     * - Will return `undefined` if the transaction is explicitly aborted with `await session.abortTransaction()`
+     * - Will throw if one of the operations throws or `throw` statement is used inside the `withTransaction` callback
+     *
+     * Checkout a descriptive example here:
+     * @see https://www.mongodb.com/developer/quickstart/node-transactions/
+     *
+     * @param fn - callback to run within a transaction
+     * @param options - optional settings for the transaction
+     * @returns A raw command response or undefined
+     */
+    withTransaction(fn, options) {
+        const startTime = (0, utils_1.now)();
+        return attemptTransaction(this, startTime, fn, options);
+    }
+}
+exports.ClientSession = ClientSession;
+_a = kSnapshotEnabled;
+const MAX_WITH_TRANSACTION_TIMEOUT = 120000;
+const NON_DETERMINISTIC_WRITE_CONCERN_ERRORS = new Set([
+    'CannotSatisfyWriteConcern',
+    'UnknownReplWriteConcern',
+    'UnsatisfiableWriteConcern'
+]);
+function hasNotTimedOut(startTime, max) {
+    return (0, utils_1.calculateDurationInMs)(startTime) < max;
+}
+function isUnknownTransactionCommitResult(err) {
+    const isNonDeterministicWriteConcernError = err instanceof error_1.MongoServerError &&
+        err.codeName &&
+        NON_DETERMINISTIC_WRITE_CONCERN_ERRORS.has(err.codeName);
+    return (isMaxTimeMSExpiredError(err) ||
+        (!isNonDeterministicWriteConcernError &&
+            err.code !== error_1.MONGODB_ERROR_CODES.UnsatisfiableWriteConcern &&
+            err.code !== error_1.MONGODB_ERROR_CODES.UnknownReplWriteConcern));
+}
+function maybeClearPinnedConnection(session, options) {
+    // unpin a connection if it has been pinned
+    const conn = session[kPinnedConnection];
+    const error = options === null || options === void 0 ? void 0 : options.error;
+    if (session.inTransaction() &&
+        error &&
+        error instanceof error_1.MongoError &&
+        error.hasErrorLabel(error_1.MongoErrorLabel.TransientTransactionError)) {
+        return;
+    }
+    const topology = session.client.topology;
+    // NOTE: the spec talks about what to do on a network error only, but the tests seem to
+    //       to validate that we don't unpin on _all_ errors?
+    if (conn && topology != null) {
+        const servers = Array.from(topology.s.servers.values());
+        const loadBalancer = servers[0];
+        if ((options === null || options === void 0 ? void 0 : options.error) == null || (options === null || options === void 0 ? void 0 : options.force)) {
+            loadBalancer.s.pool.checkIn(conn);
+            conn.emit(constants_1.UNPINNED, session.transaction.state !== transactions_1.TxnState.NO_TRANSACTION
+                ? metrics_1.ConnectionPoolMetrics.TXN
+                : metrics_1.ConnectionPoolMetrics.CURSOR);
+            if (options === null || options === void 0 ? void 0 : options.forceClear) {
+                loadBalancer.s.pool.clear(conn.serviceId);
+            }
+        }
+        session[kPinnedConnection] = undefined;
+    }
+}
+exports.maybeClearPinnedConnection = maybeClearPinnedConnection;
+function isMaxTimeMSExpiredError(err) {
+    if (err == null || !(err instanceof error_1.MongoServerError)) {
+        return false;
+    }
+    return (err.code === error_1.MONGODB_ERROR_CODES.MaxTimeMSExpired ||
+        (err.writeConcernError && err.writeConcernError.code === error_1.MONGODB_ERROR_CODES.MaxTimeMSExpired));
+}
+function attemptTransactionCommit(session, startTime, fn, options) {
+    return session.commitTransaction().catch((err) => {
+        if (err instanceof error_1.MongoError &&
+            hasNotTimedOut(startTime, MAX_WITH_TRANSACTION_TIMEOUT) &&
+            !isMaxTimeMSExpiredError(err)) {
+            if (err.hasErrorLabel(error_1.MongoErrorLabel.UnknownTransactionCommitResult)) {
+                return attemptTransactionCommit(session, startTime, fn, options);
+            }
+            if (err.hasErrorLabel(error_1.MongoErrorLabel.TransientTransactionError)) {
+                return attemptTransaction(session, startTime, fn, options);
+            }
+        }
+        throw err;
+    });
+}
+const USER_EXPLICIT_TXN_END_STATES = new Set([
+    transactions_1.TxnState.NO_TRANSACTION,
+    transactions_1.TxnState.TRANSACTION_COMMITTED,
+    transactions_1.TxnState.TRANSACTION_ABORTED
+]);
+function userExplicitlyEndedTransaction(session) {
+    return USER_EXPLICIT_TXN_END_STATES.has(session.transaction.state);
+}
+function attemptTransaction(session, startTime, fn, options) {
+    const Promise = promise_provider_1.PromiseProvider.get();
+    session.startTransaction(options);
+    let promise;
+    try {
+        promise = fn(session);
+    }
+    catch (err) {
+        promise = Promise.reject(err);
+    }
+    if (!(0, utils_1.isPromiseLike)(promise)) {
+        session.abortTransaction().catch(() => null);
+        throw new error_1.MongoInvalidArgumentError('Function provided to `withTransaction` must return a Promise');
+    }
+    return promise.then(() => {
+        if (userExplicitlyEndedTransaction(session)) {
+            return;
+        }
+        return attemptTransactionCommit(session, startTime, fn, options);
+    }, err => {
+        function maybeRetryOrThrow(err) {
+            if (err instanceof error_1.MongoError &&
+                err.hasErrorLabel(error_1.MongoErrorLabel.TransientTransactionError) &&
+                hasNotTimedOut(startTime, MAX_WITH_TRANSACTION_TIMEOUT)) {
+                return attemptTransaction(session, startTime, fn, options);
+            }
+            if (isMaxTimeMSExpiredError(err)) {
+                err.addErrorLabel(error_1.MongoErrorLabel.UnknownTransactionCommitResult);
+            }
+            throw err;
+        }
+        if (session.inTransaction()) {
+            return session.abortTransaction().then(() => maybeRetryOrThrow(err));
+        }
+        return maybeRetryOrThrow(err);
+    });
+}
+function endTransaction(session, commandName, callback) {
+    // handle any initial problematic cases
+    const txnState = session.transaction.state;
+    if (txnState === transactions_1.TxnState.NO_TRANSACTION) {
+        callback(new error_1.MongoTransactionError('No transaction started'));
+        return;
+    }
+    if (commandName === 'commitTransaction') {
+        if (txnState === transactions_1.TxnState.STARTING_TRANSACTION ||
+            txnState === transactions_1.TxnState.TRANSACTION_COMMITTED_EMPTY) {
+            // the transaction was never started, we can safely exit here
+            session.transaction.transition(transactions_1.TxnState.TRANSACTION_COMMITTED_EMPTY);
+            callback();
+            return;
+        }
+        if (txnState === transactions_1.TxnState.TRANSACTION_ABORTED) {
+            callback(new error_1.MongoTransactionError('Cannot call commitTransaction after calling abortTransaction'));
+            return;
+        }
+    }
+    else {
+        if (txnState === transactions_1.TxnState.STARTING_TRANSACTION) {
+            // the transaction was never started, we can safely exit here
+            session.transaction.transition(transactions_1.TxnState.TRANSACTION_ABORTED);
+            callback();
+            return;
+        }
+        if (txnState === transactions_1.TxnState.TRANSACTION_ABORTED) {
+            callback(new error_1.MongoTransactionError('Cannot call abortTransaction twice'));
+            return;
+        }
+        if (txnState === transactions_1.TxnState.TRANSACTION_COMMITTED ||
+            txnState === transactions_1.TxnState.TRANSACTION_COMMITTED_EMPTY) {
+            callback(new error_1.MongoTransactionError('Cannot call abortTransaction after calling commitTransaction'));
+            return;
+        }
+    }
+    // construct and send the command
+    const command = { [commandName]: 1 };
+    // apply a writeConcern if specified
+    let writeConcern;
+    if (session.transaction.options.writeConcern) {
+        writeConcern = Object.assign({}, session.transaction.options.writeConcern);
+    }
+    else if (session.clientOptions && session.clientOptions.writeConcern) {
+        writeConcern = { w: session.clientOptions.writeConcern.w };
+    }
+    if (txnState === transactions_1.TxnState.TRANSACTION_COMMITTED) {
+        writeConcern = Object.assign({ wtimeout: 10000 }, writeConcern, { w: 'majority' });
+    }
+    if (writeConcern) {
+        Object.assign(command, { writeConcern });
+    }
+    if (commandName === 'commitTransaction' && session.transaction.options.maxTimeMS) {
+        Object.assign(command, { maxTimeMS: session.transaction.options.maxTimeMS });
+    }
+    function commandHandler(error, result) {
+        if (commandName !== 'commitTransaction') {
+            session.transaction.transition(transactions_1.TxnState.TRANSACTION_ABORTED);
+            if (session.loadBalanced) {
+                maybeClearPinnedConnection(session, { force: false });
+            }
+            // The spec indicates that we should ignore all errors on `abortTransaction`
+            return callback();
+        }
+        session.transaction.transition(transactions_1.TxnState.TRANSACTION_COMMITTED);
+        if (error instanceof error_1.MongoError) {
+            if (error.hasErrorLabel(error_1.MongoErrorLabel.RetryableWriteError) ||
+                error instanceof error_1.MongoWriteConcernError ||
+                isMaxTimeMSExpiredError(error)) {
+                if (isUnknownTransactionCommitResult(error)) {
+                    error.addErrorLabel(error_1.MongoErrorLabel.UnknownTransactionCommitResult);
+                    // per txns spec, must unpin session in this case
+                    session.unpin({ error });
+                }
+            }
+            else if (error.hasErrorLabel(error_1.MongoErrorLabel.TransientTransactionError)) {
+                session.unpin({ error });
+            }
+        }
+        callback(error, result);
+    }
+    if (session.transaction.recoveryToken) {
+        command.recoveryToken = session.transaction.recoveryToken;
+    }
+    // send the command
+    (0, execute_operation_1.executeOperation)(session.client, new run_command_1.RunAdminCommandOperation(undefined, command, {
+        session,
+        readPreference: read_preference_1.ReadPreference.primary,
+        bypassPinningCheck: true
+    }), (error, result) => {
+        if (command.abortTransaction) {
+            // always unpin on abort regardless of command outcome
+            session.unpin();
+        }
+        if (error instanceof error_1.MongoError && error.hasErrorLabel(error_1.MongoErrorLabel.RetryableWriteError)) {
+            // SPEC-1185: apply majority write concern when retrying commitTransaction
+            if (command.commitTransaction) {
+                // per txns spec, must unpin session in this case
+                session.unpin({ force: true });
+                command.writeConcern = Object.assign({ wtimeout: 10000 }, command.writeConcern, {
+                    w: 'majority'
+                });
+            }
+            return (0, execute_operation_1.executeOperation)(session.client, new run_command_1.RunAdminCommandOperation(undefined, command, {
+                session,
+                readPreference: read_preference_1.ReadPreference.primary,
+                bypassPinningCheck: true
+            }), commandHandler);
+        }
+        commandHandler(error, result);
+    });
+}
+/**
+ * Reflects the existence of a session on the server. Can be reused by the session pool.
+ * WARNING: not meant to be instantiated directly. For internal use only.
+ * @public
+ */
+class ServerSession {
+    /** @internal */
+    constructor() {
+        this.id = { id: new bson_1.Binary((0, utils_1.uuidV4)(), bson_1.Binary.SUBTYPE_UUID) };
+        this.lastUse = (0, utils_1.now)();
+        this.txnNumber = 0;
+        this.isDirty = false;
+    }
+    /**
+     * Determines if the server session has timed out.
+     *
+     * @param sessionTimeoutMinutes - The server's "logicalSessionTimeoutMinutes"
+     */
+    hasTimedOut(sessionTimeoutMinutes) {
+        // Take the difference of the lastUse timestamp and now, which will result in a value in
+        // milliseconds, and then convert milliseconds to minutes to compare to `sessionTimeoutMinutes`
+        const idleTimeMinutes = Math.round((((0, utils_1.calculateDurationInMs)(this.lastUse) % 86400000) % 3600000) / 60000);
+        return idleTimeMinutes > sessionTimeoutMinutes - 1;
+    }
+    /**
+     * @internal
+     * Cloning meant to keep a readable reference to the server session data
+     * after ClientSession has ended
+     */
+    static clone(serverSession) {
+        const arrayBuffer = new ArrayBuffer(16);
+        const idBytes = Buffer.from(arrayBuffer);
+        idBytes.set(serverSession.id.id.buffer);
+        const id = new bson_1.Binary(idBytes, serverSession.id.id.sub_type);
+        // Manual prototype construction to avoid modifying the constructor of this class
+        return Object.setPrototypeOf({
+            id: { id },
+            lastUse: serverSession.lastUse,
+            txnNumber: serverSession.txnNumber,
+            isDirty: serverSession.isDirty
+        }, ServerSession.prototype);
+    }
+}
+exports.ServerSession = ServerSession;
+/**
+ * Maintains a pool of Server Sessions.
+ * For internal use only
+ * @internal
+ */
+class ServerSessionPool {
+    constructor(client) {
+        if (client == null) {
+            throw new error_1.MongoRuntimeError('ServerSessionPool requires a MongoClient');
+        }
+        this.client = client;
+        this.sessions = [];
+    }
+    /**
+     * Acquire a Server Session from the pool.
+     * Iterates through each session in the pool, removing any stale sessions
+     * along the way. The first non-stale session found is removed from the
+     * pool and returned. If no non-stale session is found, a new ServerSession is created.
+     */
+    acquire() {
+        var _b, _c, _d;
+        const sessionTimeoutMinutes = (_c = (_b = this.client.topology) === null || _b === void 0 ? void 0 : _b.logicalSessionTimeoutMinutes) !== null && _c !== void 0 ? _c : 10;
+        let session = null;
+        // Try to obtain from session pool
+        while (this.sessions.length > 0) {
+            const potentialSession = this.sessions.shift();
+            if (potentialSession != null &&
+                (!!((_d = this.client.topology) === null || _d === void 0 ? void 0 : _d.loadBalanced) ||
+                    !potentialSession.hasTimedOut(sessionTimeoutMinutes))) {
+                session = potentialSession;
+                break;
+            }
+        }
+        // If nothing valid came from the pool make a new one
+        if (session == null) {
+            session = new ServerSession();
+        }
+        return session;
+    }
+    /**
+     * Release a session to the session pool
+     * Adds the session back to the session pool if the session has not timed out yet.
+     * This method also removes any stale sessions from the pool.
+     *
+     * @param session - The session to release to the pool
+     */
+    release(session) {
+        var _b, _c, _d;
+        const sessionTimeoutMinutes = (_c = (_b = this.client.topology) === null || _b === void 0 ? void 0 : _b.logicalSessionTimeoutMinutes) !== null && _c !== void 0 ? _c : 10;
+        if (((_d = this.client.topology) === null || _d === void 0 ? void 0 : _d.loadBalanced) && !sessionTimeoutMinutes) {
+            this.sessions.unshift(session);
+        }
+        if (!sessionTimeoutMinutes) {
+            return;
+        }
+        while (this.sessions.length) {
+            const pooledSession = this.sessions[this.sessions.length - 1];
+            if (pooledSession.hasTimedOut(sessionTimeoutMinutes)) {
+                this.sessions.pop();
+            }
+            else {
+                break;
+            }
+        }
+        if (!session.hasTimedOut(sessionTimeoutMinutes)) {
+            if (session.isDirty) {
+                return;
+            }
+            // otherwise, readd this session to the session pool
+            this.sessions.unshift(session);
+        }
+    }
+}
+exports.ServerSessionPool = ServerSessionPool;
+/**
+ * Optionally decorate a command with sessions specific keys
+ *
+ * @param session - the session tracking transaction state
+ * @param command - the command to decorate
+ * @param options - Optional settings passed to calling operation
+ *
+ * @internal
+ */
+function applySession(session, command, options) {
+    var _b, _c;
+    if (session.hasEnded) {
+        return new error_1.MongoExpiredSessionError();
+    }
+    // May acquire serverSession here
+    const serverSession = session.serverSession;
+    if (serverSession == null) {
+        return new error_1.MongoRuntimeError('Unable to acquire server session');
+    }
+    if (((_b = options.writeConcern) === null || _b === void 0 ? void 0 : _b.w) === 0) {
+        if (session && session.explicit) {
+            // Error if user provided an explicit session to an unacknowledged write (SPEC-1019)
+            return new error_1.MongoAPIError('Cannot have explicit session with unacknowledged writes');
+        }
+        return;
+    }
+    // mark the last use of this session, and apply the `lsid`
+    serverSession.lastUse = (0, utils_1.now)();
+    command.lsid = serverSession.id;
+    const inTxnOrTxnCommand = session.inTransaction() || (0, transactions_1.isTransactionCommand)(command);
+    const isRetryableWrite = !!options.willRetryWrite;
+    if (isRetryableWrite || inTxnOrTxnCommand) {
+        serverSession.txnNumber += session[kTxnNumberIncrement];
+        session[kTxnNumberIncrement] = 0;
+        // TODO(NODE-2674): Preserve int64 sent from MongoDB
+        command.txnNumber = bson_1.Long.fromNumber(serverSession.txnNumber);
+    }
+    if (!inTxnOrTxnCommand) {
+        if (session.transaction.state !== transactions_1.TxnState.NO_TRANSACTION) {
+            session.transaction.transition(transactions_1.TxnState.NO_TRANSACTION);
+        }
+        if (session.supports.causalConsistency &&
+            session.operationTime &&
+            (0, utils_1.commandSupportsReadConcern)(command, options)) {
+            command.readConcern = command.readConcern || {};
+            Object.assign(command.readConcern, { afterClusterTime: session.operationTime });
+        }
+        else if (session[kSnapshotEnabled]) {
+            command.readConcern = command.readConcern || { level: read_concern_1.ReadConcernLevel.snapshot };
+            if (session[kSnapshotTime] != null) {
+                Object.assign(command.readConcern, { atClusterTime: session[kSnapshotTime] });
+            }
+        }
+        return;
+    }
+    // now attempt to apply transaction-specific sessions data
+    // `autocommit` must always be false to differentiate from retryable writes
+    command.autocommit = false;
+    if (session.transaction.state === transactions_1.TxnState.STARTING_TRANSACTION) {
+        session.transaction.transition(transactions_1.TxnState.TRANSACTION_IN_PROGRESS);
+        command.startTransaction = true;
+        const readConcern = session.transaction.options.readConcern || ((_c = session === null || session === void 0 ? void 0 : session.clientOptions) === null || _c === void 0 ? void 0 : _c.readConcern);
+        if (readConcern) {
+            command.readConcern = readConcern;
+        }
+        if (session.supports.causalConsistency && session.operationTime) {
+            command.readConcern = command.readConcern || {};
+            Object.assign(command.readConcern, { afterClusterTime: session.operationTime });
+        }
+    }
+    return;
+}
+exports.applySession = applySession;
+function updateSessionFromResponse(session, document) {
+    var _b;
+    if (document.$clusterTime) {
+        (0, common_1._advanceClusterTime)(session, document.$clusterTime);
+    }
+    if (document.operationTime && session && session.supports.causalConsistency) {
+        session.advanceOperationTime(document.operationTime);
+    }
+    if (document.recoveryToken && session && session.inTransaction()) {
+        session.transaction._recoveryToken = document.recoveryToken;
+    }
+    if ((session === null || session === void 0 ? void 0 : session[kSnapshotEnabled]) && session[kSnapshotTime] == null) {
+        // find and aggregate commands return atClusterTime on the cursor
+        // distinct includes it in the response body
+        const atClusterTime = ((_b = document.cursor) === null || _b === void 0 ? void 0 : _b.atClusterTime) || document.atClusterTime;
+        if (atClusterTime) {
+            session[kSnapshotTime] = atClusterTime;
+        }
+    }
+}
+exports.updateSessionFromResponse = updateSessionFromResponse;
+//# sourceMappingURL=sessions.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sessions.js.map b/node_modules/mongoose/node_modules/mongodb/lib/sessions.js.map
new file mode 100644
index 000000000..7be7105ee
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sessions.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sort.js b/node_modules/mongoose/node_modules/mongodb/lib/sort.js
new file mode 100644
index 000000000..c04b6b54c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sort.js
@@ -0,0 +1,97 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.formatSort = void 0;
+const error_1 = require("./error");
+/** @internal */
+function prepareDirection(direction = 1) {
+    const value = `${direction}`.toLowerCase();
+    if (isMeta(direction))
+        return direction;
+    switch (value) {
+        case 'ascending':
+        case 'asc':
+        case '1':
+            return 1;
+        case 'descending':
+        case 'desc':
+        case '-1':
+            return -1;
+        default:
+            throw new error_1.MongoInvalidArgumentError(`Invalid sort direction: ${JSON.stringify(direction)}`);
+    }
+}
+/** @internal */
+function isMeta(t) {
+    return typeof t === 'object' && t != null && '$meta' in t && typeof t.$meta === 'string';
+}
+/** @internal */
+function isPair(t) {
+    if (Array.isArray(t) && t.length === 2) {
+        try {
+            prepareDirection(t[1]);
+            return true;
+        }
+        catch (e) {
+            return false;
+        }
+    }
+    return false;
+}
+function isDeep(t) {
+    return Array.isArray(t) && Array.isArray(t[0]);
+}
+function isMap(t) {
+    return t instanceof Map && t.size > 0;
+}
+/** @internal */
+function pairToMap(v) {
+    return new Map([[`${v[0]}`, prepareDirection([v[1]])]]);
+}
+/** @internal */
+function deepToMap(t) {
+    const sortEntries = t.map(([k, v]) => [`${k}`, prepareDirection(v)]);
+    return new Map(sortEntries);
+}
+/** @internal */
+function stringsToMap(t) {
+    const sortEntries = t.map(key => [`${key}`, 1]);
+    return new Map(sortEntries);
+}
+/** @internal */
+function objectToMap(t) {
+    const sortEntries = Object.entries(t).map(([k, v]) => [
+        `${k}`,
+        prepareDirection(v)
+    ]);
+    return new Map(sortEntries);
+}
+/** @internal */
+function mapToMap(t) {
+    const sortEntries = Array.from(t).map(([k, v]) => [
+        `${k}`,
+        prepareDirection(v)
+    ]);
+    return new Map(sortEntries);
+}
+/** converts a Sort type into a type that is valid for the server (SortForCmd) */
+function formatSort(sort, direction) {
+    if (sort == null)
+        return undefined;
+    if (typeof sort === 'string')
+        return new Map([[sort, prepareDirection(direction)]]);
+    if (typeof sort !== 'object') {
+        throw new error_1.MongoInvalidArgumentError(`Invalid sort format: ${JSON.stringify(sort)} Sort must be a valid object`);
+    }
+    if (!Array.isArray(sort)) {
+        return isMap(sort) ? mapToMap(sort) : Object.keys(sort).length ? objectToMap(sort) : undefined;
+    }
+    if (!sort.length)
+        return undefined;
+    if (isDeep(sort))
+        return deepToMap(sort);
+    if (isPair(sort))
+        return pairToMap(sort);
+    return stringsToMap(sort);
+}
+exports.formatSort = formatSort;
+//# sourceMappingURL=sort.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/sort.js.map b/node_modules/mongoose/node_modules/mongodb/lib/sort.js.map
new file mode 100644
index 000000000..4072af4c8
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/sort.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"sort.js","sourceRoot":"","sources":["../src/sort.ts"],"names":[],"mappings":";;;AAAA,mCAAoD;AAiCpD,gBAAgB;AAChB,SAAS,gBAAgB,CAAC,YAAiB,CAAC;IAC1C,MAAM,KAAK,GAAG,GAAG,SAAS,EAAE,CAAC,WAAW,EAAE,CAAC;IAC3C,IAAI,MAAM,CAAC,SAAS,CAAC;QAAE,OAAO,SAAS,CAAC;IACxC,QAAQ,KAAK,EAAE;QACb,KAAK,WAAW,CAAC;QACjB,KAAK,KAAK,CAAC;QACX,KAAK,GAAG;YACN,OAAO,CAAC,CAAC;QACX,KAAK,YAAY,CAAC;QAClB,KAAK,MAAM,CAAC;QACZ,KAAK,IAAI;YACP,OAAO,CAAC,CAAC,CAAC;QACZ;YACE,MAAM,IAAI,iCAAyB,CAAC,2BAA2B,IAAI,CAAC,SAAS,CAAC,SAAS,CAAC,EAAE,CAAC,CAAC;KAC/F;AACH,CAAC;AAED,gBAAgB;AAChB,SAAS,MAAM,CAAC,CAAgB;IAC9B,OAAO,OAAO,CAAC,KAAK,QAAQ,IAAI,CAAC,IAAI,IAAI,IAAI,OAAO,IAAI,CAAC,IAAI,OAAO,CAAC,CAAC,KAAK,KAAK,QAAQ,CAAC;AAC3F,CAAC;AAED,gBAAgB;AAChB,SAAS,MAAM,CAAC,CAAO;IACrB,IAAI,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC,MAAM,KAAK,CAAC,EAAE;QACtC,IAAI;YACF,gBAAgB,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;YACvB,OAAO,IAAI,CAAC;SACb;QAAC,OAAO,CAAC,EAAE;YACV,OAAO,KAAK,CAAC;SACd;KACF;IACD,OAAO,KAAK,CAAC;AACf,CAAC;AAED,SAAS,MAAM,CAAC,CAAO;IACrB,OAAO,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,IAAI,KAAK,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;AACjD,CAAC;AAED,SAAS,KAAK,CAAC,CAAO;IACpB,OAAO,CAAC,YAAY,GAAG,IAAI,CAAC,CAAC,IAAI,GAAG,CAAC,CAAC;AACxC,CAAC;AAED,gBAAgB;AAChB,SAAS,SAAS,CAAC,CAA0B;IAC3C,OAAO,IAAI,GAAG,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,EAAE,EAAE,gBAAgB,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;AAC1D,CAAC;AAED,gBAAgB;AAChB,SAAS,SAAS,CAAC,CAA4B;IAC7C,MAAM,WAAW,GAAqB,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,GAAG,CAAC,EAAE,EAAE,gBAAgB,CAAC,CAAC,CAAC,CAAC,CAAC,CAAC;IACvF,OAAO,IAAI,GAAG,CAAC,WAAW,CAAC,CAAC;AAC9B,CAAC;AAED,gBAAgB;AAChB,SAAS,YAAY,CAAC,CAAW;IAC/B,MAAM,WAAW,GAAqB,CAAC,CAAC,GAAG,CAAC,GAAG,CAAC,EAAE,CAAC,CAAC,GAAG,GAAG,EAAE,EAAE,CAAC,CAAC,CAAC,CAAC;IAClE,OAAO,IAAI,GAAG,CAAC,WAAW,CAAC,CAAC;AAC9B,CAAC;AAED,gBAAgB;AAChB,SAAS,WAAW,CAAC,CAAmC;IACtD,MAAM,WAAW,GAAqB,MAAM,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,EAAE,EAAE,CAAC;QACtE,GAAG,CAAC,EAAE;QACN,gBAAgB,CAAC,CAAC,CAAC;KACpB,CAAC,CAAC;IACH,OAAO,IAAI,GAAG,CAAC,WAAW,CAAC,CAAC;AAC9B,CAAC;AAED,gBAAgB;AAChB,SAAS,QAAQ,CAAC,CAA6B;IAC7C,MAAM,WAAW,GAAqB,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,EAAE,EAAE,CAAC;QAClE,GAAG,CAAC,EAAE;QACN,gBAAgB,CAAC,CAAC,CAAC;KACpB,CAAC,CAAC;IACH,OAAO,IAAI,GAAG,CAAC,WAAW,CAAC,CAAC;AAC9B,CAAC;AAED,iFAAiF;AACjF,SAAgB,UAAU,CACxB,IAAsB,EACtB,SAAyB;IAEzB,IAAI,IAAI,IAAI,IAAI;QAAE,OAAO,SAAS,CAAC;IACnC,IAAI,OAAO,IAAI,KAAK,QAAQ;QAAE,OAAO,IAAI,GAAG,CAAC,CAAC,CAAC,IAAI,EAAE,gBAAgB,CAAC,SAAS,CAAC,CAAC,CAAC,CAAC,CAAC;IACpF,IAAI,OAAO,IAAI,KAAK,QAAQ,EAAE;QAC5B,MAAM,IAAI,iCAAyB,CACjC,wBAAwB,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,8BAA8B,CAC3E,CAAC;KACH;IACD,IAAI,CAAC,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE;QACxB,OAAO,KAAK,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,MAAM,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,MAAM,CAAC,CAAC,CAAC,WAAW,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,SAAS,CAAC;KAChG;IACD,IAAI,CAAC,IAAI,CAAC,MAAM;QAAE,OAAO,SAAS,CAAC;IACnC,IAAI,MAAM,CAAC,IAAI,CAAC;QAAE,OAAO,SAAS,CAAC,IAAI,CAAC,CAAC;IACzC,IAAI,MAAM,CAAC,IAAI,CAAC;QAAE,OAAO,SAAS,CAAC,IAAI,CAAC,CAAC;IACzC,OAAO,YAAY,CAAC,IAAI,CAAC,CAAC;AAC5B,CAAC;AAlBD,gCAkBC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/transactions.js b/node_modules/mongoose/node_modules/mongodb/lib/transactions.js
new file mode 100644
index 000000000..4982eb449
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/transactions.js
@@ -0,0 +1,138 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isTransactionCommand = exports.Transaction = exports.TxnState = void 0;
+const error_1 = require("./error");
+const read_concern_1 = require("./read_concern");
+const read_preference_1 = require("./read_preference");
+const write_concern_1 = require("./write_concern");
+/** @internal */
+exports.TxnState = Object.freeze({
+    NO_TRANSACTION: 'NO_TRANSACTION',
+    STARTING_TRANSACTION: 'STARTING_TRANSACTION',
+    TRANSACTION_IN_PROGRESS: 'TRANSACTION_IN_PROGRESS',
+    TRANSACTION_COMMITTED: 'TRANSACTION_COMMITTED',
+    TRANSACTION_COMMITTED_EMPTY: 'TRANSACTION_COMMITTED_EMPTY',
+    TRANSACTION_ABORTED: 'TRANSACTION_ABORTED'
+});
+const stateMachine = {
+    [exports.TxnState.NO_TRANSACTION]: [exports.TxnState.NO_TRANSACTION, exports.TxnState.STARTING_TRANSACTION],
+    [exports.TxnState.STARTING_TRANSACTION]: [
+        exports.TxnState.TRANSACTION_IN_PROGRESS,
+        exports.TxnState.TRANSACTION_COMMITTED,
+        exports.TxnState.TRANSACTION_COMMITTED_EMPTY,
+        exports.TxnState.TRANSACTION_ABORTED
+    ],
+    [exports.TxnState.TRANSACTION_IN_PROGRESS]: [
+        exports.TxnState.TRANSACTION_IN_PROGRESS,
+        exports.TxnState.TRANSACTION_COMMITTED,
+        exports.TxnState.TRANSACTION_ABORTED
+    ],
+    [exports.TxnState.TRANSACTION_COMMITTED]: [
+        exports.TxnState.TRANSACTION_COMMITTED,
+        exports.TxnState.TRANSACTION_COMMITTED_EMPTY,
+        exports.TxnState.STARTING_TRANSACTION,
+        exports.TxnState.NO_TRANSACTION
+    ],
+    [exports.TxnState.TRANSACTION_ABORTED]: [exports.TxnState.STARTING_TRANSACTION, exports.TxnState.NO_TRANSACTION],
+    [exports.TxnState.TRANSACTION_COMMITTED_EMPTY]: [
+        exports.TxnState.TRANSACTION_COMMITTED_EMPTY,
+        exports.TxnState.NO_TRANSACTION
+    ]
+};
+const ACTIVE_STATES = new Set([
+    exports.TxnState.STARTING_TRANSACTION,
+    exports.TxnState.TRANSACTION_IN_PROGRESS
+]);
+const COMMITTED_STATES = new Set([
+    exports.TxnState.TRANSACTION_COMMITTED,
+    exports.TxnState.TRANSACTION_COMMITTED_EMPTY,
+    exports.TxnState.TRANSACTION_ABORTED
+]);
+/**
+ * @public
+ * A class maintaining state related to a server transaction. Internal Only
+ */
+class Transaction {
+    /** Create a transaction @internal */
+    constructor(options) {
+        options = options !== null && options !== void 0 ? options : {};
+        this.state = exports.TxnState.NO_TRANSACTION;
+        this.options = {};
+        const writeConcern = write_concern_1.WriteConcern.fromOptions(options);
+        if (writeConcern) {
+            if (writeConcern.w === 0) {
+                throw new error_1.MongoTransactionError('Transactions do not support unacknowledged write concern');
+            }
+            this.options.writeConcern = writeConcern;
+        }
+        if (options.readConcern) {
+            this.options.readConcern = read_concern_1.ReadConcern.fromOptions(options);
+        }
+        if (options.readPreference) {
+            this.options.readPreference = read_preference_1.ReadPreference.fromOptions(options);
+        }
+        if (options.maxCommitTimeMS) {
+            this.options.maxTimeMS = options.maxCommitTimeMS;
+        }
+        // TODO: This isn't technically necessary
+        this._pinnedServer = undefined;
+        this._recoveryToken = undefined;
+    }
+    /** @internal */
+    get server() {
+        return this._pinnedServer;
+    }
+    get recoveryToken() {
+        return this._recoveryToken;
+    }
+    get isPinned() {
+        return !!this.server;
+    }
+    /** @returns Whether the transaction has started */
+    get isStarting() {
+        return this.state === exports.TxnState.STARTING_TRANSACTION;
+    }
+    /**
+     * @returns Whether this session is presently in a transaction
+     */
+    get isActive() {
+        return ACTIVE_STATES.has(this.state);
+    }
+    get isCommitted() {
+        return COMMITTED_STATES.has(this.state);
+    }
+    /**
+     * Transition the transaction in the state machine
+     * @internal
+     * @param nextState - The new state to transition to
+     */
+    transition(nextState) {
+        const nextStates = stateMachine[this.state];
+        if (nextStates && nextStates.includes(nextState)) {
+            this.state = nextState;
+            if (this.state === exports.TxnState.NO_TRANSACTION ||
+                this.state === exports.TxnState.STARTING_TRANSACTION ||
+                this.state === exports.TxnState.TRANSACTION_ABORTED) {
+                this.unpinServer();
+            }
+            return;
+        }
+        throw new error_1.MongoRuntimeError(`Attempted illegal state transition from [${this.state}] to [${nextState}]`);
+    }
+    /** @internal */
+    pinServer(server) {
+        if (this.isActive) {
+            this._pinnedServer = server;
+        }
+    }
+    /** @internal */
+    unpinServer() {
+        this._pinnedServer = undefined;
+    }
+}
+exports.Transaction = Transaction;
+function isTransactionCommand(command) {
+    return !!(command.commitTransaction || command.abortTransaction);
+}
+exports.isTransactionCommand = isTransactionCommand;
+//# sourceMappingURL=transactions.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/transactions.js.map b/node_modules/mongoose/node_modules/mongodb/lib/transactions.js.map
new file mode 100644
index 000000000..5e261e908
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/transactions.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"transactions.js","sourceRoot":"","sources":["../src/transactions.ts"],"names":[],"mappings":";;;AACA,mCAAmE;AAEnE,iDAA8D;AAC9D,uDAAmD;AAEnD,mDAA+C;AAE/C,gBAAgB;AACH,QAAA,QAAQ,GAAG,MAAM,CAAC,MAAM,CAAC;IACpC,cAAc,EAAE,gBAAgB;IAChC,oBAAoB,EAAE,sBAAsB;IAC5C,uBAAuB,EAAE,yBAAyB;IAClD,qBAAqB,EAAE,uBAAuB;IAC9C,2BAA2B,EAAE,6BAA6B;IAC1D,mBAAmB,EAAE,qBAAqB;CAClC,CAAC,CAAC;AAKZ,MAAM,YAAY,GAAwC;IACxD,CAAC,gBAAQ,CAAC,cAAc,CAAC,EAAE,CAAC,gBAAQ,CAAC,cAAc,EAAE,gBAAQ,CAAC,oBAAoB,CAAC;IACnF,CAAC,gBAAQ,CAAC,oBAAoB,CAAC,EAAE;QAC/B,gBAAQ,CAAC,uBAAuB;QAChC,gBAAQ,CAAC,qBAAqB;QAC9B,gBAAQ,CAAC,2BAA2B;QACpC,gBAAQ,CAAC,mBAAmB;KAC7B;IACD,CAAC,gBAAQ,CAAC,uBAAuB,CAAC,EAAE;QAClC,gBAAQ,CAAC,uBAAuB;QAChC,gBAAQ,CAAC,qBAAqB;QAC9B,gBAAQ,CAAC,mBAAmB;KAC7B;IACD,CAAC,gBAAQ,CAAC,qBAAqB,CAAC,EAAE;QAChC,gBAAQ,CAAC,qBAAqB;QAC9B,gBAAQ,CAAC,2BAA2B;QACpC,gBAAQ,CAAC,oBAAoB;QAC7B,gBAAQ,CAAC,cAAc;KACxB;IACD,CAAC,gBAAQ,CAAC,mBAAmB,CAAC,EAAE,CAAC,gBAAQ,CAAC,oBAAoB,EAAE,gBAAQ,CAAC,cAAc,CAAC;IACxF,CAAC,gBAAQ,CAAC,2BAA2B,CAAC,EAAE;QACtC,gBAAQ,CAAC,2BAA2B;QACpC,gBAAQ,CAAC,cAAc;KACxB;CACF,CAAC;AAEF,MAAM,aAAa,GAAkB,IAAI,GAAG,CAAC;IAC3C,gBAAQ,CAAC,oBAAoB;IAC7B,gBAAQ,CAAC,uBAAuB;CACjC,CAAC,CAAC;AAEH,MAAM,gBAAgB,GAAkB,IAAI,GAAG,CAAC;IAC9C,gBAAQ,CAAC,qBAAqB;IAC9B,gBAAQ,CAAC,2BAA2B;IACpC,gBAAQ,CAAC,mBAAmB;CAC7B,CAAC,CAAC;AAkBH;;;GAGG;AACH,MAAa,WAAW;IAStB,qCAAqC;IACrC,YAAY,OAA4B;QACtC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QACxB,IAAI,CAAC,KAAK,GAAG,gBAAQ,CAAC,cAAc,CAAC;QACrC,IAAI,CAAC,OAAO,GAAG,EAAE,CAAC;QAElB,MAAM,YAAY,GAAG,4BAAY,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;QACvD,IAAI,YAAY,EAAE;YAChB,IAAI,YAAY,CAAC,CAAC,KAAK,CAAC,EAAE;gBACxB,MAAM,IAAI,6BAAqB,CAAC,0DAA0D,CAAC,CAAC;aAC7F;YAED,IAAI,CAAC,OAAO,CAAC,YAAY,GAAG,YAAY,CAAC;SAC1C;QAED,IAAI,OAAO,CAAC,WAAW,EAAE;YACvB,IAAI,CAAC,OAAO,CAAC,WAAW,GAAG,0BAAW,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;SAC7D;QAED,IAAI,OAAO,CAAC,cAAc,EAAE;YAC1B,IAAI,CAAC,OAAO,CAAC,cAAc,GAAG,gCAAc,CAAC,WAAW,CAAC,OAAO,CAAC,CAAC;SACnE;QAED,IAAI,OAAO,CAAC,eAAe,EAAE;YAC3B,IAAI,CAAC,OAAO,CAAC,SAAS,GAAG,OAAO,CAAC,eAAe,CAAC;SAClD;QAED,yCAAyC;QACzC,IAAI,CAAC,aAAa,GAAG,SAAS,CAAC;QAC/B,IAAI,CAAC,cAAc,GAAG,SAAS,CAAC;IAClC,CAAC;IAED,gBAAgB;IAChB,IAAI,MAAM;QACR,OAAO,IAAI,CAAC,aAAa,CAAC;IAC5B,CAAC;IAED,IAAI,aAAa;QACf,OAAO,IAAI,CAAC,cAAc,CAAC;IAC7B,CAAC;IAED,IAAI,QAAQ;QACV,OAAO,CAAC,CAAC,IAAI,CAAC,MAAM,CAAC;IACvB,CAAC;IAED,mDAAmD;IACnD,IAAI,UAAU;QACZ,OAAO,IAAI,CAAC,KAAK,KAAK,gBAAQ,CAAC,oBAAoB,CAAC;IACtD,CAAC;IAED;;OAEG;IACH,IAAI,QAAQ;QACV,OAAO,aAAa,CAAC,GAAG,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;IACvC,CAAC;IAED,IAAI,WAAW;QACb,OAAO,gBAAgB,CAAC,GAAG,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;IAC1C,CAAC;IACD;;;;OAIG;IACH,UAAU,CAAC,SAAmB;QAC5B,MAAM,UAAU,GAAG,YAAY,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;QAC5C,IAAI,UAAU,IAAI,UAAU,CAAC,QAAQ,CAAC,SAAS,CAAC,EAAE;YAChD,IAAI,CAAC,KAAK,GAAG,SAAS,CAAC;YACvB,IACE,IAAI,CAAC,KAAK,KAAK,gBAAQ,CAAC,cAAc;gBACtC,IAAI,CAAC,KAAK,KAAK,gBAAQ,CAAC,oBAAoB;gBAC5C,IAAI,CAAC,KAAK,KAAK,gBAAQ,CAAC,mBAAmB,EAC3C;gBACA,IAAI,CAAC,WAAW,EAAE,CAAC;aACpB;YACD,OAAO;SACR;QAED,MAAM,IAAI,yBAAiB,CACzB,4CAA4C,IAAI,CAAC,KAAK,SAAS,SAAS,GAAG,CAC5E,CAAC;IACJ,CAAC;IAED,gBAAgB;IAChB,SAAS,CAAC,MAAc;QACtB,IAAI,IAAI,CAAC,QAAQ,EAAE;YACjB,IAAI,CAAC,aAAa,GAAG,MAAM,CAAC;SAC7B;IACH,CAAC;IAED,gBAAgB;IAChB,WAAW;QACT,IAAI,CAAC,aAAa,GAAG,SAAS,CAAC;IACjC,CAAC;CACF;AAxGD,kCAwGC;AAED,SAAgB,oBAAoB,CAAC,OAAiB;IACpD,OAAO,CAAC,CAAC,CAAC,OAAO,CAAC,iBAAiB,IAAI,OAAO,CAAC,gBAAgB,CAAC,CAAC;AACnE,CAAC;AAFD,oDAEC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/utils.js b/node_modules/mongoose/node_modules/mongodb/lib/utils.js
new file mode 100644
index 000000000..21cdb1c14
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/utils.js
@@ -0,0 +1,1108 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.commandSupportsReadConcern = exports.shuffle = exports.parsePackageVersion = exports.supportsRetryableWrites = exports.enumToString = exports.emitWarningOnce = exports.emitWarning = exports.MONGODB_WARNING_CODE = exports.DEFAULT_PK_FACTORY = exports.HostAddress = exports.BufferPool = exports.deepCopy = exports.isRecord = exports.setDifference = exports.isHello = exports.isSuperset = exports.resolveOptions = exports.hasAtomicOperators = exports.makeInterruptibleAsyncInterval = exports.calculateDurationInMs = exports.now = exports.makeClientMetadata = exports.makeStateMachine = exports.errorStrictEqual = exports.arrayStrictEqual = exports.eachAsyncSeries = exports.eachAsync = exports.collationNotSupported = exports.maxWireVersion = exports.uuidV4 = exports.databaseNamespace = exports.maybePromise = exports.makeCounter = exports.MongoDBNamespace = exports.ns = exports.deprecateOptions = exports.defaultMsgHandler = exports.getTopology = exports.decorateWithExplain = exports.decorateWithReadConcern = exports.decorateWithCollation = exports.isPromiseLike = exports.applyWriteConcern = exports.applyRetryableWrites = exports.filterOptions = exports.mergeOptions = exports.isObject = exports.normalizeHintField = exports.checkCollectionName = exports.MAX_JS_INT = void 0;
+exports.compareObjectId = exports.getMongoDBClientEncryption = void 0;
+const crypto = require("crypto");
+const os = require("os");
+const timers_1 = require("timers");
+const url_1 = require("url");
+const bson_1 = require("./bson");
+const constants_1 = require("./cmap/wire_protocol/constants");
+const constants_2 = require("./constants");
+const error_1 = require("./error");
+const promise_provider_1 = require("./promise_provider");
+const read_concern_1 = require("./read_concern");
+const read_preference_1 = require("./read_preference");
+const common_1 = require("./sdam/common");
+const write_concern_1 = require("./write_concern");
+exports.MAX_JS_INT = Number.MAX_SAFE_INTEGER + 1;
+/**
+ * Throws if collectionName is not a valid mongodb collection namespace.
+ * @internal
+ */
+function checkCollectionName(collectionName) {
+    if ('string' !== typeof collectionName) {
+        throw new error_1.MongoInvalidArgumentError('Collection name must be a String');
+    }
+    if (!collectionName || collectionName.indexOf('..') !== -1) {
+        throw new error_1.MongoInvalidArgumentError('Collection names cannot be empty');
+    }
+    if (collectionName.indexOf('$') !== -1 &&
+        collectionName.match(/((^\$cmd)|(oplog\.\$main))/) == null) {
+        // TODO(NODE-3483): Use MongoNamespace static method
+        throw new error_1.MongoInvalidArgumentError("Collection names must not contain '$'");
+    }
+    if (collectionName.match(/^\.|\.$/) != null) {
+        // TODO(NODE-3483): Use MongoNamespace static method
+        throw new error_1.MongoInvalidArgumentError("Collection names must not start or end with '.'");
+    }
+    // Validate that we are not passing 0x00 in the collection name
+    if (collectionName.indexOf('\x00') !== -1) {
+        // TODO(NODE-3483): Use MongoNamespace static method
+        throw new error_1.MongoInvalidArgumentError('Collection names cannot contain a null character');
+    }
+}
+exports.checkCollectionName = checkCollectionName;
+/**
+ * Ensure Hint field is in a shape we expect:
+ * - object of index names mapping to 1 or -1
+ * - just an index name
+ * @internal
+ */
+function normalizeHintField(hint) {
+    let finalHint = undefined;
+    if (typeof hint === 'string') {
+        finalHint = hint;
+    }
+    else if (Array.isArray(hint)) {
+        finalHint = {};
+        hint.forEach(param => {
+            finalHint[param] = 1;
+        });
+    }
+    else if (hint != null && typeof hint === 'object') {
+        finalHint = {};
+        for (const name in hint) {
+            finalHint[name] = hint[name];
+        }
+    }
+    return finalHint;
+}
+exports.normalizeHintField = normalizeHintField;
+const TO_STRING = (object) => Object.prototype.toString.call(object);
+/**
+ * Checks if arg is an Object:
+ * - **NOTE**: the check is based on the `[Symbol.toStringTag]() === 'Object'`
+ * @internal
+ */
+function isObject(arg) {
+    return '[object Object]' === TO_STRING(arg);
+}
+exports.isObject = isObject;
+/** @internal */
+function mergeOptions(target, source) {
+    return { ...target, ...source };
+}
+exports.mergeOptions = mergeOptions;
+/** @internal */
+function filterOptions(options, names) {
+    const filterOptions = {};
+    for (const name in options) {
+        if (names.includes(name)) {
+            filterOptions[name] = options[name];
+        }
+    }
+    // Filtered options
+    return filterOptions;
+}
+exports.filterOptions = filterOptions;
+/**
+ * Applies retryWrites: true to a command if retryWrites is set on the command's database.
+ * @internal
+ *
+ * @param target - The target command to which we will apply retryWrites.
+ * @param db - The database from which we can inherit a retryWrites value.
+ */
+function applyRetryableWrites(target, db) {
+    var _a;
+    if (db && ((_a = db.s.options) === null || _a === void 0 ? void 0 : _a.retryWrites)) {
+        target.retryWrites = true;
+    }
+    return target;
+}
+exports.applyRetryableWrites = applyRetryableWrites;
+/**
+ * Applies a write concern to a command based on well defined inheritance rules, optionally
+ * detecting support for the write concern in the first place.
+ * @internal
+ *
+ * @param target - the target command we will be applying the write concern to
+ * @param sources - sources where we can inherit default write concerns from
+ * @param options - optional settings passed into a command for write concern overrides
+ */
+function applyWriteConcern(target, sources, options) {
+    options = options !== null && options !== void 0 ? options : {};
+    const db = sources.db;
+    const coll = sources.collection;
+    if (options.session && options.session.inTransaction()) {
+        // writeConcern is not allowed within a multi-statement transaction
+        if (target.writeConcern) {
+            delete target.writeConcern;
+        }
+        return target;
+    }
+    const writeConcern = write_concern_1.WriteConcern.fromOptions(options);
+    if (writeConcern) {
+        return Object.assign(target, { writeConcern });
+    }
+    if (coll && coll.writeConcern) {
+        return Object.assign(target, { writeConcern: Object.assign({}, coll.writeConcern) });
+    }
+    if (db && db.writeConcern) {
+        return Object.assign(target, { writeConcern: Object.assign({}, db.writeConcern) });
+    }
+    return target;
+}
+exports.applyWriteConcern = applyWriteConcern;
+/**
+ * Checks if a given value is a Promise
+ *
+ * @typeParam T - The result type of maybePromise
+ * @param maybePromise - An object that could be a promise
+ * @returns true if the provided value is a Promise
+ */
+function isPromiseLike(maybePromise) {
+    return !!maybePromise && typeof maybePromise.then === 'function';
+}
+exports.isPromiseLike = isPromiseLike;
+/**
+ * Applies collation to a given command.
+ * @internal
+ *
+ * @param command - the command on which to apply collation
+ * @param target - target of command
+ * @param options - options containing collation settings
+ */
+function decorateWithCollation(command, target, options) {
+    const capabilities = getTopology(target).capabilities;
+    if (options.collation && typeof options.collation === 'object') {
+        if (capabilities && capabilities.commandsTakeCollation) {
+            command.collation = options.collation;
+        }
+        else {
+            throw new error_1.MongoCompatibilityError(`Current topology does not support collation`);
+        }
+    }
+}
+exports.decorateWithCollation = decorateWithCollation;
+/**
+ * Applies a read concern to a given command.
+ * @internal
+ *
+ * @param command - the command on which to apply the read concern
+ * @param coll - the parent collection of the operation calling this method
+ */
+function decorateWithReadConcern(command, coll, options) {
+    if (options && options.session && options.session.inTransaction()) {
+        return;
+    }
+    const readConcern = Object.assign({}, command.readConcern || {});
+    if (coll.s.readConcern) {
+        Object.assign(readConcern, coll.s.readConcern);
+    }
+    if (Object.keys(readConcern).length > 0) {
+        Object.assign(command, { readConcern: readConcern });
+    }
+}
+exports.decorateWithReadConcern = decorateWithReadConcern;
+/**
+ * Applies an explain to a given command.
+ * @internal
+ *
+ * @param command - the command on which to apply the explain
+ * @param options - the options containing the explain verbosity
+ */
+function decorateWithExplain(command, explain) {
+    if (command.explain) {
+        return command;
+    }
+    return { explain: command, verbosity: explain.verbosity };
+}
+exports.decorateWithExplain = decorateWithExplain;
+/**
+ * A helper function to get the topology from a given provider. Throws
+ * if the topology cannot be found.
+ * @throws MongoNotConnectedError
+ * @internal
+ */
+function getTopology(provider) {
+    // MongoClient or ClientSession or AbstractCursor
+    if ('topology' in provider && provider.topology) {
+        return provider.topology;
+    }
+    else if ('s' in provider && 'client' in provider.s && provider.s.client.topology) {
+        return provider.s.client.topology;
+    }
+    else if ('s' in provider && 'db' in provider.s && provider.s.db.s.client.topology) {
+        return provider.s.db.s.client.topology;
+    }
+    throw new error_1.MongoNotConnectedError('MongoClient must be connected to perform this operation');
+}
+exports.getTopology = getTopology;
+/**
+ * Default message handler for generating deprecation warnings.
+ * @internal
+ *
+ * @param name - function name
+ * @param option - option name
+ * @returns warning message
+ */
+function defaultMsgHandler(name, option) {
+    return `${name} option [${option}] is deprecated and will be removed in a later version.`;
+}
+exports.defaultMsgHandler = defaultMsgHandler;
+/**
+ * Deprecates a given function's options.
+ * @internal
+ *
+ * @param this - the bound class if this is a method
+ * @param config - configuration for deprecation
+ * @param fn - the target function of deprecation
+ * @returns modified function that warns once per deprecated option, and executes original function
+ */
+function deprecateOptions(config, fn) {
+    if (process.noDeprecation === true) {
+        return fn;
+    }
+    const msgHandler = config.msgHandler ? config.msgHandler : defaultMsgHandler;
+    const optionsWarned = new Set();
+    function deprecated(...args) {
+        const options = args[config.optionsIndex];
+        // ensure options is a valid, non-empty object, otherwise short-circuit
+        if (!isObject(options) || Object.keys(options).length === 0) {
+            return fn.bind(this)(...args); // call the function, no change
+        }
+        // interrupt the function call with a warning
+        for (const deprecatedOption of config.deprecatedOptions) {
+            if (deprecatedOption in options && !optionsWarned.has(deprecatedOption)) {
+                optionsWarned.add(deprecatedOption);
+                const msg = msgHandler(config.name, deprecatedOption);
+                emitWarning(msg);
+                if (this && 'getLogger' in this) {
+                    const logger = this.getLogger();
+                    if (logger) {
+                        logger.warn(msg);
+                    }
+                }
+            }
+        }
+        return fn.bind(this)(...args);
+    }
+    // These lines copied from https://github.com/nodejs/node/blob/25e5ae41688676a5fd29b2e2e7602168eee4ceb5/lib/internal/util.js#L73-L80
+    // The wrapper will keep the same prototype as fn to maintain prototype chain
+    Object.setPrototypeOf(deprecated, fn);
+    if (fn.prototype) {
+        // Setting this (rather than using Object.setPrototype, as above) ensures
+        // that calling the unwrapped constructor gives an instanceof the wrapped
+        // constructor.
+        deprecated.prototype = fn.prototype;
+    }
+    return deprecated;
+}
+exports.deprecateOptions = deprecateOptions;
+/** @internal */
+function ns(ns) {
+    return MongoDBNamespace.fromString(ns);
+}
+exports.ns = ns;
+/** @public */
+class MongoDBNamespace {
+    /**
+     * Create a namespace object
+     *
+     * @param db - database name
+     * @param collection - collection name
+     */
+    constructor(db, collection) {
+        this.db = db;
+        this.collection = collection === '' ? undefined : collection;
+    }
+    toString() {
+        return this.collection ? `${this.db}.${this.collection}` : this.db;
+    }
+    withCollection(collection) {
+        return new MongoDBNamespace(this.db, collection);
+    }
+    static fromString(namespace) {
+        if (typeof namespace !== 'string' || namespace === '') {
+            // TODO(NODE-3483): Replace with MongoNamespaceError
+            throw new error_1.MongoRuntimeError(`Cannot parse namespace from "${namespace}"`);
+        }
+        const [db, ...collectionParts] = namespace.split('.');
+        const collection = collectionParts.join('.');
+        return new MongoDBNamespace(db, collection === '' ? undefined : collection);
+    }
+}
+exports.MongoDBNamespace = MongoDBNamespace;
+/** @internal */
+function* makeCounter(seed = 0) {
+    let count = seed;
+    while (true) {
+        const newCount = count;
+        count += 1;
+        yield newCount;
+    }
+}
+exports.makeCounter = makeCounter;
+/**
+ * Helper function for either accepting a callback, or returning a promise
+ * @internal
+ *
+ * @param callback - The last function argument in exposed method, controls if a Promise is returned
+ * @param wrapper - A function that wraps the callback
+ * @returns Returns void if a callback is supplied, else returns a Promise.
+ */
+function maybePromise(callback, wrapper) {
+    const Promise = promise_provider_1.PromiseProvider.get();
+    let result;
+    if (typeof callback !== 'function') {
+        result = new Promise((resolve, reject) => {
+            callback = (err, res) => {
+                if (err)
+                    return reject(err);
+                resolve(res);
+            };
+        });
+    }
+    wrapper((err, res) => {
+        if (err != null) {
+            try {
+                // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+                callback(err);
+            }
+            catch (error) {
+                process.nextTick(() => {
+                    throw error;
+                });
+            }
+            return;
+        }
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        callback(err, res);
+    });
+    return result;
+}
+exports.maybePromise = maybePromise;
+/** @internal */
+function databaseNamespace(ns) {
+    return ns.split('.')[0];
+}
+exports.databaseNamespace = databaseNamespace;
+/**
+ * Synchronously Generate a UUIDv4
+ * @internal
+ */
+function uuidV4() {
+    const result = crypto.randomBytes(16);
+    result[6] = (result[6] & 0x0f) | 0x40;
+    result[8] = (result[8] & 0x3f) | 0x80;
+    return result;
+}
+exports.uuidV4 = uuidV4;
+/**
+ * A helper function for determining `maxWireVersion` between legacy and new topology instances
+ * @internal
+ */
+function maxWireVersion(topologyOrServer) {
+    if (topologyOrServer) {
+        if (topologyOrServer.loadBalanced) {
+            // Since we do not have a monitor, we assume the load balanced server is always
+            // pointed at the latest mongodb version. There is a risk that for on-prem
+            // deployments that don't upgrade immediately that this could alert to the
+            // application that a feature is avaiable that is actually not.
+            return constants_1.MAX_SUPPORTED_WIRE_VERSION;
+        }
+        if (topologyOrServer.hello) {
+            return topologyOrServer.hello.maxWireVersion;
+        }
+        if ('lastHello' in topologyOrServer && typeof topologyOrServer.lastHello === 'function') {
+            const lastHello = topologyOrServer.lastHello();
+            if (lastHello) {
+                return lastHello.maxWireVersion;
+            }
+        }
+        if (topologyOrServer.description &&
+            'maxWireVersion' in topologyOrServer.description &&
+            topologyOrServer.description.maxWireVersion != null) {
+            return topologyOrServer.description.maxWireVersion;
+        }
+    }
+    return 0;
+}
+exports.maxWireVersion = maxWireVersion;
+/**
+ * Checks that collation is supported by server.
+ * @internal
+ *
+ * @param server - to check against
+ * @param cmd - object where collation may be specified
+ */
+function collationNotSupported(server, cmd) {
+    return cmd && cmd.collation && maxWireVersion(server) < 5;
+}
+exports.collationNotSupported = collationNotSupported;
+/**
+ * Applies the function `eachFn` to each item in `arr`, in parallel.
+ * @internal
+ *
+ * @param arr - An array of items to asynchronously iterate over
+ * @param eachFn - A function to call on each item of the array. The callback signature is `(item, callback)`, where the callback indicates iteration is complete.
+ * @param callback - The callback called after every item has been iterated
+ */
+function eachAsync(arr, eachFn, callback) {
+    arr = arr || [];
+    let idx = 0;
+    let awaiting = 0;
+    for (idx = 0; idx < arr.length; ++idx) {
+        awaiting++;
+        eachFn(arr[idx], eachCallback);
+    }
+    if (awaiting === 0) {
+        callback();
+        return;
+    }
+    function eachCallback(err) {
+        awaiting--;
+        if (err) {
+            callback(err);
+            return;
+        }
+        if (idx === arr.length && awaiting <= 0) {
+            callback();
+        }
+    }
+}
+exports.eachAsync = eachAsync;
+/** @internal */
+function eachAsyncSeries(arr, eachFn, callback) {
+    arr = arr || [];
+    let idx = 0;
+    let awaiting = arr.length;
+    if (awaiting === 0) {
+        callback();
+        return;
+    }
+    function eachCallback(err) {
+        idx++;
+        awaiting--;
+        if (err) {
+            callback(err);
+            return;
+        }
+        if (idx === arr.length && awaiting <= 0) {
+            callback();
+            return;
+        }
+        eachFn(arr[idx], eachCallback);
+    }
+    eachFn(arr[idx], eachCallback);
+}
+exports.eachAsyncSeries = eachAsyncSeries;
+/** @internal */
+function arrayStrictEqual(arr, arr2) {
+    if (!Array.isArray(arr) || !Array.isArray(arr2)) {
+        return false;
+    }
+    return arr.length === arr2.length && arr.every((elt, idx) => elt === arr2[idx]);
+}
+exports.arrayStrictEqual = arrayStrictEqual;
+/** @internal */
+function errorStrictEqual(lhs, rhs) {
+    if (lhs === rhs) {
+        return true;
+    }
+    if (!lhs || !rhs) {
+        return lhs === rhs;
+    }
+    if ((lhs == null && rhs != null) || (lhs != null && rhs == null)) {
+        return false;
+    }
+    if (lhs.constructor.name !== rhs.constructor.name) {
+        return false;
+    }
+    if (lhs.message !== rhs.message) {
+        return false;
+    }
+    return true;
+}
+exports.errorStrictEqual = errorStrictEqual;
+/** @internal */
+function makeStateMachine(stateTable) {
+    return function stateTransition(target, newState) {
+        const legalStates = stateTable[target.s.state];
+        if (legalStates && legalStates.indexOf(newState) < 0) {
+            throw new error_1.MongoRuntimeError(`illegal state transition from [${target.s.state}] => [${newState}], allowed: [${legalStates}]`);
+        }
+        target.emit('stateChanged', target.s.state, newState);
+        target.s.state = newState;
+    };
+}
+exports.makeStateMachine = makeStateMachine;
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const NODE_DRIVER_VERSION = require('../package.json').version;
+function makeClientMetadata(options) {
+    options = options !== null && options !== void 0 ? options : {};
+    const metadata = {
+        driver: {
+            name: 'nodejs',
+            version: NODE_DRIVER_VERSION
+        },
+        os: {
+            type: os.type(),
+            name: process.platform,
+            architecture: process.arch,
+            version: os.release()
+        },
+        platform: `Node.js ${process.version}, ${os.endianness()} (unified)`
+    };
+    // support optionally provided wrapping driver info
+    if (options.driverInfo) {
+        if (options.driverInfo.name) {
+            metadata.driver.name = `${metadata.driver.name}|${options.driverInfo.name}`;
+        }
+        if (options.driverInfo.version) {
+            metadata.version = `${metadata.driver.version}|${options.driverInfo.version}`;
+        }
+        if (options.driverInfo.platform) {
+            metadata.platform = `${metadata.platform}|${options.driverInfo.platform}`;
+        }
+    }
+    if (options.appName) {
+        // MongoDB requires the appName not exceed a byte length of 128
+        const buffer = Buffer.from(options.appName);
+        metadata.application = {
+            name: buffer.byteLength > 128 ? buffer.slice(0, 128).toString('utf8') : options.appName
+        };
+    }
+    return metadata;
+}
+exports.makeClientMetadata = makeClientMetadata;
+/** @internal */
+function now() {
+    const hrtime = process.hrtime();
+    return Math.floor(hrtime[0] * 1000 + hrtime[1] / 1000000);
+}
+exports.now = now;
+/** @internal */
+function calculateDurationInMs(started) {
+    if (typeof started !== 'number') {
+        throw new error_1.MongoInvalidArgumentError('Numeric value required to calculate duration');
+    }
+    const elapsed = now() - started;
+    return elapsed < 0 ? 0 : elapsed;
+}
+exports.calculateDurationInMs = calculateDurationInMs;
+/**
+ * Creates an interval timer which is able to be woken up sooner than
+ * the interval. The timer will also debounce multiple calls to wake
+ * ensuring that the function is only ever called once within a minimum
+ * interval window.
+ * @internal
+ *
+ * @param fn - An async function to run on an interval, must accept a `callback` as its only parameter
+ */
+function makeInterruptibleAsyncInterval(fn, options) {
+    let timerId;
+    let lastCallTime;
+    let cannotBeExpedited = false;
+    let stopped = false;
+    options = options !== null && options !== void 0 ? options : {};
+    const interval = options.interval || 1000;
+    const minInterval = options.minInterval || 500;
+    const immediate = typeof options.immediate === 'boolean' ? options.immediate : false;
+    const clock = typeof options.clock === 'function' ? options.clock : now;
+    function wake() {
+        const currentTime = clock();
+        const nextScheduledCallTime = lastCallTime + interval;
+        const timeUntilNextCall = nextScheduledCallTime - currentTime;
+        // For the streaming protocol: there is nothing obviously stopping this
+        // interval from being woken up again while we are waiting "infinitely"
+        // for `fn` to be called again`. Since the function effectively
+        // never completes, the `timeUntilNextCall` will continue to grow
+        // negatively unbounded, so it will never trigger a reschedule here.
+        // This is possible in virtualized environments like AWS Lambda where our
+        // clock is unreliable. In these cases the timer is "running" but never
+        // actually completes, so we want to execute immediately and then attempt
+        // to reschedule.
+        if (timeUntilNextCall < 0) {
+            executeAndReschedule();
+            return;
+        }
+        // debounce multiple calls to wake within the `minInterval`
+        if (cannotBeExpedited) {
+            return;
+        }
+        // reschedule a call as soon as possible, ensuring the call never happens
+        // faster than the `minInterval`
+        if (timeUntilNextCall > minInterval) {
+            reschedule(minInterval);
+            cannotBeExpedited = true;
+        }
+    }
+    function stop() {
+        stopped = true;
+        if (timerId) {
+            (0, timers_1.clearTimeout)(timerId);
+            timerId = undefined;
+        }
+        lastCallTime = 0;
+        cannotBeExpedited = false;
+    }
+    function reschedule(ms) {
+        if (stopped)
+            return;
+        if (timerId) {
+            (0, timers_1.clearTimeout)(timerId);
+        }
+        timerId = (0, timers_1.setTimeout)(executeAndReschedule, ms || interval);
+    }
+    function executeAndReschedule() {
+        cannotBeExpedited = false;
+        lastCallTime = clock();
+        fn(err => {
+            if (err)
+                throw err;
+            reschedule(interval);
+        });
+    }
+    if (immediate) {
+        executeAndReschedule();
+    }
+    else {
+        lastCallTime = clock();
+        reschedule(undefined);
+    }
+    return { wake, stop };
+}
+exports.makeInterruptibleAsyncInterval = makeInterruptibleAsyncInterval;
+/** @internal */
+function hasAtomicOperators(doc) {
+    if (Array.isArray(doc)) {
+        for (const document of doc) {
+            if (hasAtomicOperators(document)) {
+                return true;
+            }
+        }
+        return false;
+    }
+    const keys = Object.keys(doc);
+    return keys.length > 0 && keys[0][0] === '$';
+}
+exports.hasAtomicOperators = hasAtomicOperators;
+/**
+ * Merge inherited properties from parent into options, prioritizing values from options,
+ * then values from parent.
+ * @internal
+ */
+function resolveOptions(parent, options) {
+    var _a, _b, _c;
+    const result = Object.assign({}, options, (0, bson_1.resolveBSONOptions)(options, parent));
+    // Users cannot pass a readConcern/writeConcern to operations in a transaction
+    const session = options === null || options === void 0 ? void 0 : options.session;
+    if (!(session === null || session === void 0 ? void 0 : session.inTransaction())) {
+        const readConcern = (_a = read_concern_1.ReadConcern.fromOptions(options)) !== null && _a !== void 0 ? _a : parent === null || parent === void 0 ? void 0 : parent.readConcern;
+        if (readConcern) {
+            result.readConcern = readConcern;
+        }
+        const writeConcern = (_b = write_concern_1.WriteConcern.fromOptions(options)) !== null && _b !== void 0 ? _b : parent === null || parent === void 0 ? void 0 : parent.writeConcern;
+        if (writeConcern) {
+            result.writeConcern = writeConcern;
+        }
+    }
+    const readPreference = (_c = read_preference_1.ReadPreference.fromOptions(options)) !== null && _c !== void 0 ? _c : parent === null || parent === void 0 ? void 0 : parent.readPreference;
+    if (readPreference) {
+        result.readPreference = readPreference;
+    }
+    return result;
+}
+exports.resolveOptions = resolveOptions;
+function isSuperset(set, subset) {
+    set = Array.isArray(set) ? new Set(set) : set;
+    subset = Array.isArray(subset) ? new Set(subset) : subset;
+    for (const elem of subset) {
+        if (!set.has(elem)) {
+            return false;
+        }
+    }
+    return true;
+}
+exports.isSuperset = isSuperset;
+/**
+ * Checks if the document is a Hello request
+ * @internal
+ */
+function isHello(doc) {
+    return doc[constants_2.LEGACY_HELLO_COMMAND] || doc.hello ? true : false;
+}
+exports.isHello = isHello;
+/** Returns the items that are uniquely in setA */
+function setDifference(setA, setB) {
+    const difference = new Set(setA);
+    for (const elem of setB) {
+        difference.delete(elem);
+    }
+    return difference;
+}
+exports.setDifference = setDifference;
+const HAS_OWN = (object, prop) => Object.prototype.hasOwnProperty.call(object, prop);
+function isRecord(value, requiredKeys = undefined) {
+    if (!isObject(value)) {
+        return false;
+    }
+    const ctor = value.constructor;
+    if (ctor && ctor.prototype) {
+        if (!isObject(ctor.prototype)) {
+            return false;
+        }
+        // Check to see if some method exists from the Object exists
+        if (!HAS_OWN(ctor.prototype, 'isPrototypeOf')) {
+            return false;
+        }
+    }
+    if (requiredKeys) {
+        const keys = Object.keys(value);
+        return isSuperset(keys, requiredKeys);
+    }
+    return true;
+}
+exports.isRecord = isRecord;
+/**
+ * Make a deep copy of an object
+ *
+ * NOTE: This is not meant to be the perfect implementation of a deep copy,
+ * but instead something that is good enough for the purposes of
+ * command monitoring.
+ */
+function deepCopy(value) {
+    if (value == null) {
+        return value;
+    }
+    else if (Array.isArray(value)) {
+        return value.map(item => deepCopy(item));
+    }
+    else if (isRecord(value)) {
+        const res = {};
+        for (const key in value) {
+            res[key] = deepCopy(value[key]);
+        }
+        return res;
+    }
+    const ctor = value.constructor;
+    if (ctor) {
+        switch (ctor.name.toLowerCase()) {
+            case 'date':
+                return new ctor(Number(value));
+            case 'map':
+                return new Map(value);
+            case 'set':
+                return new Set(value);
+            case 'buffer':
+                return Buffer.from(value);
+        }
+    }
+    return value;
+}
+exports.deepCopy = deepCopy;
+/** @internal */
+const kBuffers = Symbol('buffers');
+/** @internal */
+const kLength = Symbol('length');
+/**
+ * A pool of Buffers which allow you to read them as if they were one
+ * @internal
+ */
+class BufferPool {
+    constructor() {
+        this[kBuffers] = [];
+        this[kLength] = 0;
+    }
+    get length() {
+        return this[kLength];
+    }
+    /** Adds a buffer to the internal buffer pool list */
+    append(buffer) {
+        this[kBuffers].push(buffer);
+        this[kLength] += buffer.length;
+    }
+    /** Returns the requested number of bytes without consuming them */
+    peek(size) {
+        return this.read(size, false);
+    }
+    /** Reads the requested number of bytes, optionally consuming them */
+    read(size, consume = true) {
+        if (typeof size !== 'number' || size < 0) {
+            throw new error_1.MongoInvalidArgumentError('Argument "size" must be a non-negative number');
+        }
+        if (size > this[kLength]) {
+            return Buffer.alloc(0);
+        }
+        let result;
+        // read the whole buffer
+        if (size === this.length) {
+            result = Buffer.concat(this[kBuffers]);
+            if (consume) {
+                this[kBuffers] = [];
+                this[kLength] = 0;
+            }
+        }
+        // size is within first buffer, no need to concat
+        else if (size <= this[kBuffers][0].length) {
+            result = this[kBuffers][0].slice(0, size);
+            if (consume) {
+                this[kBuffers][0] = this[kBuffers][0].slice(size);
+                this[kLength] -= size;
+            }
+        }
+        // size is beyond first buffer, need to track and copy
+        else {
+            result = Buffer.allocUnsafe(size);
+            let idx;
+            let offset = 0;
+            let bytesToCopy = size;
+            for (idx = 0; idx < this[kBuffers].length; ++idx) {
+                let bytesCopied;
+                if (bytesToCopy > this[kBuffers][idx].length) {
+                    bytesCopied = this[kBuffers][idx].copy(result, offset, 0);
+                    offset += bytesCopied;
+                }
+                else {
+                    bytesCopied = this[kBuffers][idx].copy(result, offset, 0, bytesToCopy);
+                    if (consume) {
+                        this[kBuffers][idx] = this[kBuffers][idx].slice(bytesCopied);
+                    }
+                    offset += bytesCopied;
+                    break;
+                }
+                bytesToCopy -= bytesCopied;
+            }
+            // compact the internal buffer array
+            if (consume) {
+                this[kBuffers] = this[kBuffers].slice(idx);
+                this[kLength] -= size;
+            }
+        }
+        return result;
+    }
+}
+exports.BufferPool = BufferPool;
+/** @public */
+class HostAddress {
+    constructor(hostString) {
+        const escapedHost = hostString.split(' ').join('%20'); // escape spaces, for socket path hosts
+        const { hostname, port } = new url_1.URL(`mongodb://${escapedHost}`);
+        if (escapedHost.endsWith('.sock')) {
+            // heuristically determine if we're working with a domain socket
+            this.socketPath = decodeURIComponent(escapedHost);
+        }
+        else if (typeof hostname === 'string') {
+            this.isIPv6 = false;
+            let normalized = decodeURIComponent(hostname).toLowerCase();
+            if (normalized.startsWith('[') && normalized.endsWith(']')) {
+                this.isIPv6 = true;
+                normalized = normalized.substring(1, hostname.length - 1);
+            }
+            this.host = normalized.toLowerCase();
+            if (typeof port === 'number') {
+                this.port = port;
+            }
+            else if (typeof port === 'string' && port !== '') {
+                this.port = Number.parseInt(port, 10);
+            }
+            else {
+                this.port = 27017;
+            }
+            if (this.port === 0) {
+                throw new error_1.MongoParseError('Invalid port (zero) with hostname');
+            }
+        }
+        else {
+            throw new error_1.MongoInvalidArgumentError('Either socketPath or host must be defined.');
+        }
+        Object.freeze(this);
+    }
+    [Symbol.for('nodejs.util.inspect.custom')]() {
+        return this.inspect();
+    }
+    inspect() {
+        return `new HostAddress('${this.toString(true)}')`;
+    }
+    /**
+     * @param ipv6Brackets - optionally request ipv6 bracket notation required for connection strings
+     */
+    toString(ipv6Brackets = false) {
+        if (typeof this.host === 'string') {
+            if (this.isIPv6 && ipv6Brackets) {
+                return `[${this.host}]:${this.port}`;
+            }
+            return `${this.host}:${this.port}`;
+        }
+        return `${this.socketPath}`;
+    }
+    static fromString(s) {
+        return new HostAddress(s);
+    }
+    static fromHostPort(host, port) {
+        if (host.includes(':')) {
+            host = `[${host}]`; // IPv6 address
+        }
+        return HostAddress.fromString(`${host}:${port}`);
+    }
+    static fromSrvRecord({ name, port }) {
+        return HostAddress.fromHostPort(name, port);
+    }
+}
+exports.HostAddress = HostAddress;
+exports.DEFAULT_PK_FACTORY = {
+    // We prefer not to rely on ObjectId having a createPk method
+    createPk() {
+        return new bson_1.ObjectId();
+    }
+};
+/**
+ * When the driver used emitWarning the code will be equal to this.
+ * @public
+ *
+ * @example
+ * ```js
+ * process.on('warning', (warning) => {
+ *  if (warning.code === MONGODB_WARNING_CODE) console.error('Ah an important warning! :)')
+ * })
+ * ```
+ */
+exports.MONGODB_WARNING_CODE = 'MONGODB DRIVER';
+/** @internal */
+function emitWarning(message) {
+    return process.emitWarning(message, { code: exports.MONGODB_WARNING_CODE });
+}
+exports.emitWarning = emitWarning;
+const emittedWarnings = new Set();
+/**
+ * Will emit a warning once for the duration of the application.
+ * Uses the message to identify if it has already been emitted
+ * so using string interpolation can cause multiple emits
+ * @internal
+ */
+function emitWarningOnce(message) {
+    if (!emittedWarnings.has(message)) {
+        emittedWarnings.add(message);
+        return emitWarning(message);
+    }
+}
+exports.emitWarningOnce = emitWarningOnce;
+/**
+ * Takes a JS object and joins the values into a string separated by ', '
+ */
+function enumToString(en) {
+    return Object.values(en).join(', ');
+}
+exports.enumToString = enumToString;
+/**
+ * Determine if a server supports retryable writes.
+ *
+ * @internal
+ */
+function supportsRetryableWrites(server) {
+    if (!server) {
+        return false;
+    }
+    if (server.loadBalanced) {
+        // Loadbalanced topologies will always support retry writes
+        return true;
+    }
+    if (server.description.logicalSessionTimeoutMinutes != null) {
+        // that supports sessions
+        if (server.description.type !== common_1.ServerType.Standalone) {
+            // and that is not a standalone
+            return true;
+        }
+    }
+    return false;
+}
+exports.supportsRetryableWrites = supportsRetryableWrites;
+function parsePackageVersion({ version }) {
+    const [major, minor, patch] = version.split('.').map((n) => Number.parseInt(n, 10));
+    return { major, minor, patch };
+}
+exports.parsePackageVersion = parsePackageVersion;
+/**
+ * Fisher–Yates Shuffle
+ *
+ * Reference: https://bost.ocks.org/mike/shuffle/
+ * @param sequence - items to be shuffled
+ * @param limit - Defaults to `0`. If nonzero shuffle will slice the randomized array e.g, `.slice(0, limit)` otherwise will return the entire randomized array.
+ */
+function shuffle(sequence, limit = 0) {
+    const items = Array.from(sequence); // shallow copy in order to never shuffle the input
+    if (limit > items.length) {
+        throw new error_1.MongoRuntimeError('Limit must be less than the number of items');
+    }
+    let remainingItemsToShuffle = items.length;
+    const lowerBound = limit % items.length === 0 ? 1 : items.length - limit;
+    while (remainingItemsToShuffle > lowerBound) {
+        // Pick a remaining element
+        const randomIndex = Math.floor(Math.random() * remainingItemsToShuffle);
+        remainingItemsToShuffle -= 1;
+        // And swap it with the current element
+        const swapHold = items[remainingItemsToShuffle];
+        items[remainingItemsToShuffle] = items[randomIndex];
+        items[randomIndex] = swapHold;
+    }
+    return limit % items.length === 0 ? items : items.slice(lowerBound);
+}
+exports.shuffle = shuffle;
+// TODO: this should be codified in command construction
+// @see https://github.com/mongodb/specifications/blob/master/source/read-write-concern/read-write-concern.rst#read-concern
+function commandSupportsReadConcern(command, options) {
+    if (command.aggregate || command.count || command.distinct || command.find || command.geoNear) {
+        return true;
+    }
+    if (command.mapReduce &&
+        options &&
+        options.out &&
+        (options.out.inline === 1 || options.out === 'inline')) {
+        return true;
+    }
+    return false;
+}
+exports.commandSupportsReadConcern = commandSupportsReadConcern;
+/** A utility function to get the instance of mongodb-client-encryption, if it exists. */
+function getMongoDBClientEncryption() {
+    let mongodbClientEncryption = null;
+    // NOTE(NODE-4254): This is to get around the circular dependency between
+    // mongodb-client-encryption and the driver in the test scenarios.
+    if (typeof process.env.MONGODB_CLIENT_ENCRYPTION_OVERRIDE === 'string' &&
+        process.env.MONGODB_CLIENT_ENCRYPTION_OVERRIDE.length > 0) {
+        try {
+            // NOTE(NODE-3199): Ensure you always wrap an optional require literally in the try block
+            // Cannot be moved to helper utility function, bundlers search and replace the actual require call
+            // in a way that makes this line throw at bundle time, not runtime, catching here will make bundling succeed
+            mongodbClientEncryption = require(process.env.MONGODB_CLIENT_ENCRYPTION_OVERRIDE);
+        }
+        catch {
+            // ignore
+        }
+    }
+    else {
+        try {
+            // NOTE(NODE-3199): Ensure you always wrap an optional require literally in the try block
+            // Cannot be moved to helper utility function, bundlers search and replace the actual require call
+            // in a way that makes this line throw at bundle time, not runtime, catching here will make bundling succeed
+            mongodbClientEncryption = require('mongodb-client-encryption');
+        }
+        catch {
+            // ignore
+        }
+    }
+    return mongodbClientEncryption;
+}
+exports.getMongoDBClientEncryption = getMongoDBClientEncryption;
+/**
+ * Compare objectIds. `null` is always less
+ * - `+1 = oid1 is greater than oid2`
+ * - `-1 = oid1 is less than oid2`
+ * - `+0 = oid1 is equal oid2`
+ */
+function compareObjectId(oid1, oid2) {
+    if (oid1 == null && oid2 == null) {
+        return 0;
+    }
+    if (oid1 == null) {
+        return -1;
+    }
+    if (oid2 == null) {
+        return 1;
+    }
+    return oid1.id.compare(oid2.id);
+}
+exports.compareObjectId = compareObjectId;
+//# sourceMappingURL=utils.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/utils.js.map b/node_modules/mongoose/node_modules/mongodb/lib/utils.js.map
new file mode 100644
index 000000000..1fffdedfa
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/utils.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/write_concern.js b/node_modules/mongoose/node_modules/mongodb/lib/write_concern.js
new file mode 100644
index 000000000..4816b00eb
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/write_concern.js
@@ -0,0 +1,71 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.WriteConcern = exports.WRITE_CONCERN_KEYS = void 0;
+exports.WRITE_CONCERN_KEYS = ['w', 'wtimeout', 'j', 'journal', 'fsync'];
+/**
+ * A MongoDB WriteConcern, which describes the level of acknowledgement
+ * requested from MongoDB for write operations.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/reference/write-concern/
+ */
+class WriteConcern {
+    /**
+     * Constructs a WriteConcern from the write concern properties.
+     * @param w - request acknowledgment that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags.
+     * @param wtimeout - specify a time limit to prevent write operations from blocking indefinitely
+     * @param j - request acknowledgment that the write operation has been written to the on-disk journal
+     * @param fsync - equivalent to the j option
+     */
+    constructor(w, wtimeout, j, fsync) {
+        if (w != null) {
+            if (!Number.isNaN(Number(w))) {
+                this.w = Number(w);
+            }
+            else {
+                this.w = w;
+            }
+        }
+        if (wtimeout != null) {
+            this.wtimeout = wtimeout;
+        }
+        if (j != null) {
+            this.j = j;
+        }
+        if (fsync != null) {
+            this.fsync = fsync;
+        }
+    }
+    /** Construct a WriteConcern given an options object. */
+    static fromOptions(options, inherit) {
+        if (options == null)
+            return undefined;
+        inherit = inherit !== null && inherit !== void 0 ? inherit : {};
+        let opts;
+        if (typeof options === 'string' || typeof options === 'number') {
+            opts = { w: options };
+        }
+        else if (options instanceof WriteConcern) {
+            opts = options;
+        }
+        else {
+            opts = options.writeConcern;
+        }
+        const parentOpts = inherit instanceof WriteConcern ? inherit : inherit.writeConcern;
+        const { w = undefined, wtimeout = undefined, j = undefined, fsync = undefined, journal = undefined, wtimeoutMS = undefined } = {
+            ...parentOpts,
+            ...opts
+        };
+        if (w != null ||
+            wtimeout != null ||
+            wtimeoutMS != null ||
+            j != null ||
+            journal != null ||
+            fsync != null) {
+            return new WriteConcern(w, wtimeout !== null && wtimeout !== void 0 ? wtimeout : wtimeoutMS, j !== null && j !== void 0 ? j : journal, fsync);
+        }
+        return undefined;
+    }
+}
+exports.WriteConcern = WriteConcern;
+//# sourceMappingURL=write_concern.js.map
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/lib/write_concern.js.map b/node_modules/mongoose/node_modules/mongodb/lib/write_concern.js.map
new file mode 100644
index 000000000..c2e21b7e1
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/lib/write_concern.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"write_concern.js","sourceRoot":"","sources":["../src/write_concern.ts"],"names":[],"mappings":";;;AA2Ba,QAAA,kBAAkB,GAAG,CAAC,GAAG,EAAE,UAAU,EAAE,GAAG,EAAE,SAAS,EAAE,OAAO,CAAC,CAAC;AAE7E;;;;;;GAMG;AACH,MAAa,YAAY;IAUvB;;;;;;OAMG;IACH,YAAY,CAAK,EAAE,QAAiB,EAAE,CAAW,EAAE,KAAmB;QACpE,IAAI,CAAC,IAAI,IAAI,EAAE;YACb,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC,EAAE;gBAC5B,IAAI,CAAC,CAAC,GAAG,MAAM,CAAC,CAAC,CAAC,CAAC;aACpB;iBAAM;gBACL,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC;aACZ;SACF;QACD,IAAI,QAAQ,IAAI,IAAI,EAAE;YACpB,IAAI,CAAC,QAAQ,GAAG,QAAQ,CAAC;SAC1B;QACD,IAAI,CAAC,IAAI,IAAI,EAAE;YACb,IAAI,CAAC,CAAC,GAAG,CAAC,CAAC;SACZ;QACD,IAAI,KAAK,IAAI,IAAI,EAAE;YACjB,IAAI,CAAC,KAAK,GAAG,KAAK,CAAC;SACpB;IACH,CAAC;IAED,wDAAwD;IACxD,MAAM,CAAC,WAAW,CAChB,OAAgD,EAChD,OAA4C;QAE5C,IAAI,OAAO,IAAI,IAAI;YAAE,OAAO,SAAS,CAAC;QACtC,OAAO,GAAG,OAAO,aAAP,OAAO,cAAP,OAAO,GAAI,EAAE,CAAC;QACxB,IAAI,IAAqD,CAAC;QAC1D,IAAI,OAAO,OAAO,KAAK,QAAQ,IAAI,OAAO,OAAO,KAAK,QAAQ,EAAE;YAC9D,IAAI,GAAG,EAAE,CAAC,EAAE,OAAO,EAAE,CAAC;SACvB;aAAM,IAAI,OAAO,YAAY,YAAY,EAAE;YAC1C,IAAI,GAAG,OAAO,CAAC;SAChB;aAAM;YACL,IAAI,GAAG,OAAO,CAAC,YAAY,CAAC;SAC7B;QACD,MAAM,UAAU,GACd,OAAO,YAAY,YAAY,CAAC,CAAC,CAAC,OAAO,CAAC,CAAC,CAAC,OAAO,CAAC,YAAY,CAAC;QAEnE,MAAM,EACJ,CAAC,GAAG,SAAS,EACb,QAAQ,GAAG,SAAS,EACpB,CAAC,GAAG,SAAS,EACb,KAAK,GAAG,SAAS,EACjB,OAAO,GAAG,SAAS,EACnB,UAAU,GAAG,SAAS,EACvB,GAAG;YACF,GAAG,UAAU;YACb,GAAG,IAAI;SACR,CAAC;QACF,IACE,CAAC,IAAI,IAAI;YACT,QAAQ,IAAI,IAAI;YAChB,UAAU,IAAI,IAAI;YAClB,CAAC,IAAI,IAAI;YACT,OAAO,IAAI,IAAI;YACf,KAAK,IAAI,IAAI,EACb;YACA,OAAO,IAAI,YAAY,CAAC,CAAC,EAAE,QAAQ,aAAR,QAAQ,cAAR,QAAQ,GAAI,UAAU,EAAE,CAAC,aAAD,CAAC,cAAD,CAAC,GAAI,OAAO,EAAE,KAAK,CAAC,CAAC;SACzE;QACD,OAAO,SAAS,CAAC;IACnB,CAAC;CACF;AA7ED,oCA6EC"}
\ No newline at end of file
diff --git a/node_modules/mongoose/node_modules/mongodb/mongodb.d.ts b/node_modules/mongoose/node_modules/mongodb/mongodb.d.ts
new file mode 100644
index 000000000..6a8d931fb
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/mongodb.d.ts
@@ -0,0 +1,6725 @@
+/// <reference types="node" />
+
+import { Binary } from 'bson';
+import { BSONRegExp } from 'bson';
+import { BSONSymbol } from 'bson';
+import { Code } from 'bson';
+import type { ConnectionOptions as ConnectionOptions_2 } from 'tls';
+import { DBRef } from 'bson';
+import { Decimal128 } from 'bson';
+import Denque = require('denque');
+import type { deserialize as deserialize_2 } from 'bson';
+import type { DeserializeOptions } from 'bson';
+import * as dns from 'dns';
+import { Document } from 'bson';
+import { Double } from 'bson';
+import { Duplex } from 'stream';
+import { DuplexOptions } from 'stream';
+import { EventEmitter } from 'events';
+import { Int32 } from 'bson';
+import { Long } from 'bson';
+import { Map as Map_2 } from 'bson';
+import { MaxKey } from 'bson';
+import { MinKey } from 'bson';
+import { ObjectId } from 'bson';
+import type { ObjectIdLike } from 'bson';
+import { Readable } from 'stream';
+import type { serialize as serialize_2 } from 'bson';
+import type { SerializeOptions } from 'bson';
+import type { Socket } from 'net';
+import type { SrvRecord } from 'dns';
+import type { TcpNetConnectOpts } from 'net';
+import { Timestamp } from 'bson';
+import type { TLSSocket } from 'tls';
+import type { TLSSocketOptions } from 'tls';
+import { Writable } from 'stream';
+
+/** @public */
+export declare abstract class AbstractCursor<TSchema = any, CursorEvents extends AbstractCursorEvents = AbstractCursorEvents> extends TypedEventEmitter<CursorEvents> {
+    /* Excluded from this release type: [kId] */
+    /* Excluded from this release type: [kSession] */
+    /* Excluded from this release type: [kServer] */
+    /* Excluded from this release type: [kNamespace] */
+    /* Excluded from this release type: [kDocuments] */
+    /* Excluded from this release type: [kClient] */
+    /* Excluded from this release type: [kTransform] */
+    /* Excluded from this release type: [kInitialized] */
+    /* Excluded from this release type: [kClosed] */
+    /* Excluded from this release type: [kKilled] */
+    /* Excluded from this release type: [kOptions] */
+    /** @event */
+    static readonly CLOSE: "close";
+    /* Excluded from this release type: __constructor */
+    get id(): Long | undefined;
+    /* Excluded from this release type: client */
+    /* Excluded from this release type: server */
+    get namespace(): MongoDBNamespace;
+    get readPreference(): ReadPreference;
+    get readConcern(): ReadConcern | undefined;
+    /* Excluded from this release type: session */
+    /* Excluded from this release type: session */
+    /* Excluded from this release type: cursorOptions */
+    get closed(): boolean;
+    get killed(): boolean;
+    get loadBalanced(): boolean;
+    /** Returns current buffered documents length */
+    bufferedCount(): number;
+    /** Returns current buffered documents */
+    readBufferedDocuments(number?: number): TSchema[];
+    [Symbol.asyncIterator](): AsyncIterator<TSchema, void>;
+    stream(options?: CursorStreamOptions): Readable & AsyncIterable<TSchema>;
+    hasNext(): Promise<boolean>;
+    hasNext(callback: Callback<boolean>): void;
+    /** Get the next available document from the cursor, returns null if no more documents are available. */
+    next(): Promise<TSchema | null>;
+    next(callback: Callback<TSchema | null>): void;
+    next(callback?: Callback<TSchema | null>): Promise<TSchema | null> | void;
+    /**
+     * Try to get the next available document from the cursor or `null` if an empty batch is returned
+     */
+    tryNext(): Promise<TSchema | null>;
+    tryNext(callback: Callback<TSchema | null>): void;
+    /**
+     * Iterates over all the documents for this cursor using the iterator, callback pattern.
+     *
+     * @param iterator - The iteration callback.
+     * @param callback - The end callback.
+     */
+    forEach(iterator: (doc: TSchema) => boolean | void): Promise<void>;
+    forEach(iterator: (doc: TSchema) => boolean | void, callback: Callback<void>): void;
+    close(): Promise<void>;
+    close(callback: Callback): void;
+    /**
+     * @deprecated options argument is deprecated
+     */
+    close(options: CursorCloseOptions): Promise<void>;
+    /**
+     * @deprecated options argument is deprecated
+     */
+    close(options: CursorCloseOptions, callback: Callback): void;
+    /**
+     * Returns an array of documents. The caller is responsible for making sure that there
+     * is enough memory to store the results. Note that the array only contains partial
+     * results when this cursor had been previously accessed. In that case,
+     * cursor.rewind() can be used to reset the cursor.
+     *
+     * @param callback - The result callback.
+     */
+    toArray(): Promise<TSchema[]>;
+    toArray(callback: Callback<TSchema[]>): void;
+    /**
+     * Add a cursor flag to the cursor
+     *
+     * @param flag - The flag to set, must be one of following ['tailable', 'oplogReplay', 'noCursorTimeout', 'awaitData', 'partial' -.
+     * @param value - The flag boolean value.
+     */
+    addCursorFlag(flag: CursorFlag, value: boolean): this;
+    /**
+     * Map all documents using the provided function
+     * If there is a transform set on the cursor, that will be called first and the result passed to
+     * this function's transform.
+     *
+     * @remarks
+     * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+     * it **does not** return a new instance of a cursor. This means when calling map,
+     * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+     * Take note of the following example:
+     *
+     * @example
+     * ```typescript
+     * const cursor: FindCursor<Document> = coll.find();
+     * const mappedCursor: FindCursor<number> = cursor.map(doc => Object.keys(doc).length);
+     * const keyCounts: number[] = await mappedCursor.toArray(); // cursor.toArray() still returns Document[]
+     * ```
+     * @param transform - The mapping transformation method.
+     */
+    map<T = any>(transform: (doc: TSchema) => T): AbstractCursor<T>;
+    /**
+     * Set the ReadPreference for the cursor.
+     *
+     * @param readPreference - The new read preference for the cursor.
+     */
+    withReadPreference(readPreference: ReadPreferenceLike): this;
+    /**
+     * Set the ReadPreference for the cursor.
+     *
+     * @param readPreference - The new read preference for the cursor.
+     */
+    withReadConcern(readConcern: ReadConcernLike): this;
+    /**
+     * Set a maxTimeMS on the cursor query, allowing for hard timeout limits on queries (Only supported on MongoDB 2.6 or higher)
+     *
+     * @param value - Number of milliseconds to wait before aborting the query.
+     */
+    maxTimeMS(value: number): this;
+    /**
+     * Set the batch size for the cursor.
+     *
+     * @param value - The number of documents to return per batch. See {@link https://docs.mongodb.com/manual/reference/command/find/|find command documentation}.
+     */
+    batchSize(value: number): this;
+    /**
+     * Rewind this cursor to its uninitialized state. Any options that are present on the cursor will
+     * remain in effect. Iterating this cursor will cause new queries to be sent to the server, even
+     * if the resultant data has already been retrieved by this cursor.
+     */
+    rewind(): void;
+    /**
+     * Returns a new uninitialized copy of this cursor, with options matching those that have been set on the current instance
+     */
+    abstract clone(): AbstractCursor<TSchema>;
+    /* Excluded from this release type: _initialize */
+    /* Excluded from this release type: _getMore */
+    /* Excluded from this release type: [kInit] */
+}
+
+/** @public */
+export declare type AbstractCursorEvents = {
+    [AbstractCursor.CLOSE](): void;
+};
+
+/** @public */
+export declare interface AbstractCursorOptions extends BSONSerializeOptions {
+    session?: ClientSession;
+    readPreference?: ReadPreferenceLike;
+    readConcern?: ReadConcernLike;
+    /**
+     * Specifies the number of documents to return in each response from MongoDB
+     */
+    batchSize?: number;
+    /**
+     * When applicable `maxTimeMS` controls the amount of time the initial command
+     * that constructs a cursor should take. (ex. find, aggregate, listCollections)
+     */
+    maxTimeMS?: number;
+    /**
+     * When applicable `maxAwaitTimeMS` controls the amount of time subsequent getMores
+     * that a cursor uses to fetch more data should take. (ex. cursor.next())
+     */
+    maxAwaitTimeMS?: number;
+    /**
+     * Comment to apply to the operation.
+     *
+     * In server versions pre-4.4, 'comment' must be string.  A server
+     * error will be thrown if any other type is provided.
+     *
+     * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+     */
+    comment?: unknown;
+    /**
+     * By default, MongoDB will automatically close a cursor when the
+     * client has exhausted all results in the cursor. However, for [capped collections](https://www.mongodb.com/docs/manual/core/capped-collections)
+     * you may use a Tailable Cursor that remains open after the client exhausts
+     * the results in the initial cursor.
+     */
+    tailable?: boolean;
+    /**
+     * If awaitData is set to true, when the cursor reaches the end of the capped collection,
+     * MongoDB blocks the query thread for a period of time waiting for new data to arrive.
+     * When new data is inserted into the capped collection, the blocked thread is signaled
+     * to wake up and return the next batch to the client.
+     */
+    awaitData?: boolean;
+    noCursorTimeout?: boolean;
+}
+
+/* Excluded from this release type: AbstractOperation */
+
+/** @public */
+export declare type AcceptedFields<TSchema, FieldType, AssignableType> = {
+    readonly [key in KeysOfAType<TSchema, FieldType>]?: AssignableType;
+};
+
+/** @public */
+export declare type AddToSetOperators<Type> = {
+    $each?: Array<Flatten<Type>>;
+};
+
+/** @public */
+export declare interface AddUserOptions extends CommandOperationOptions {
+    /** @deprecated Please use db.command('createUser', ...) instead for this option */
+    digestPassword?: null;
+    /** Roles associated with the created user */
+    roles?: string | string[] | RoleSpecification | RoleSpecification[];
+    /** Custom data associated with the user (only Mongodb 2.6 or higher) */
+    customData?: Document;
+}
+
+/**
+ * The **Admin** class is an internal class that allows convenient access to
+ * the admin functionality and commands for MongoDB.
+ *
+ * **ADMIN Cannot directly be instantiated**
+ * @public
+ *
+ * @example
+ * ```js
+ * const MongoClient = require('mongodb').MongoClient;
+ * const test = require('assert');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ *
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, client) {
+ *   // Use the admin database for the operation
+ *   const adminDb = client.db(dbName).admin();
+ *
+ *   // List all the available databases
+ *   adminDb.listDatabases(function(err, dbs) {
+ *     expect(err).to.not.exist;
+ *     test.ok(dbs.databases.length > 0);
+ *     client.close();
+ *   });
+ * });
+ * ```
+ */
+export declare class Admin {
+    /* Excluded from this release type: s */
+    /* Excluded from this release type: __constructor */
+    /**
+     * Execute a command
+     *
+     * @param command - The command to execute
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    command(command: Document): Promise<Document>;
+    command(command: Document, callback: Callback<Document>): void;
+    command(command: Document, options: RunCommandOptions): Promise<Document>;
+    command(command: Document, options: RunCommandOptions, callback: Callback<Document>): void;
+    /**
+     * Retrieve the server build information
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    buildInfo(): Promise<Document>;
+    buildInfo(callback: Callback<Document>): void;
+    buildInfo(options: CommandOperationOptions): Promise<Document>;
+    buildInfo(options: CommandOperationOptions, callback: Callback<Document>): void;
+    /**
+     * Retrieve the server build information
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    serverInfo(): Promise<Document>;
+    serverInfo(callback: Callback<Document>): void;
+    serverInfo(options: CommandOperationOptions): Promise<Document>;
+    serverInfo(options: CommandOperationOptions, callback: Callback<Document>): void;
+    /**
+     * Retrieve this db's server status.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    serverStatus(): Promise<Document>;
+    serverStatus(callback: Callback<Document>): void;
+    serverStatus(options: CommandOperationOptions): Promise<Document>;
+    serverStatus(options: CommandOperationOptions, callback: Callback<Document>): void;
+    /**
+     * Ping the MongoDB server and retrieve results
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    ping(): Promise<Document>;
+    ping(callback: Callback<Document>): void;
+    ping(options: CommandOperationOptions): Promise<Document>;
+    ping(options: CommandOperationOptions, callback: Callback<Document>): void;
+    /**
+     * Add a user to the database
+     *
+     * @param username - The username for the new user
+     * @param password - An optional password for the new user
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    addUser(username: string): Promise<Document>;
+    addUser(username: string, callback: Callback<Document>): void;
+    addUser(username: string, password: string): Promise<Document>;
+    addUser(username: string, password: string, callback: Callback<Document>): void;
+    addUser(username: string, options: AddUserOptions): Promise<Document>;
+    addUser(username: string, options: AddUserOptions, callback: Callback<Document>): void;
+    addUser(username: string, password: string, options: AddUserOptions): Promise<Document>;
+    addUser(username: string, password: string, options: AddUserOptions, callback: Callback<Document>): void;
+    /**
+     * Remove a user from a database
+     *
+     * @param username - The username to remove
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    removeUser(username: string): Promise<boolean>;
+    removeUser(username: string, callback: Callback<boolean>): void;
+    removeUser(username: string, options: RemoveUserOptions): Promise<boolean>;
+    removeUser(username: string, options: RemoveUserOptions, callback: Callback<boolean>): void;
+    /**
+     * Validate an existing collection
+     *
+     * @param collectionName - The name of the collection to validate.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    validateCollection(collectionName: string): Promise<Document>;
+    validateCollection(collectionName: string, callback: Callback<Document>): void;
+    validateCollection(collectionName: string, options: ValidateCollectionOptions): Promise<Document>;
+    validateCollection(collectionName: string, options: ValidateCollectionOptions, callback: Callback<Document>): void;
+    /**
+     * List the available databases
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    listDatabases(): Promise<ListDatabasesResult>;
+    listDatabases(callback: Callback<ListDatabasesResult>): void;
+    listDatabases(options: ListDatabasesOptions): Promise<ListDatabasesResult>;
+    listDatabases(options: ListDatabasesOptions, callback: Callback<ListDatabasesResult>): void;
+    /**
+     * Get ReplicaSet status
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    replSetGetStatus(): Promise<Document>;
+    replSetGetStatus(callback: Callback<Document>): void;
+    replSetGetStatus(options: CommandOperationOptions): Promise<Document>;
+    replSetGetStatus(options: CommandOperationOptions, callback: Callback<Document>): void;
+}
+
+/* Excluded from this release type: AdminPrivate */
+
+/* Excluded from this release type: AggregateOperation */
+
+/** @public */
+export declare interface AggregateOptions extends CommandOperationOptions {
+    /** allowDiskUse lets the server know if it can use disk to store temporary results for the aggregation (requires mongodb 2.6 \>). */
+    allowDiskUse?: boolean;
+    /** The number of documents to return per batch. See [aggregation documentation](https://docs.mongodb.com/manual/reference/command/aggregate). */
+    batchSize?: number;
+    /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+    bypassDocumentValidation?: boolean;
+    /** Return the query as cursor, on 2.6 \> it returns as a real cursor on pre 2.6 it returns as an emulated cursor. */
+    cursor?: Document;
+    /** specifies a cumulative time limit in milliseconds for processing operations on the cursor. MongoDB interrupts the operation at the earliest following interrupt point. */
+    maxTimeMS?: number;
+    /** The maximum amount of time for the server to wait on new documents to satisfy a tailable cursor query. */
+    maxAwaitTimeMS?: number;
+    /** Specify collation. */
+    collation?: CollationOptions;
+    /** Add an index selection hint to an aggregation command */
+    hint?: Hint;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+    out?: string;
+}
+
+/**
+ * The **AggregationCursor** class is an internal class that embodies an aggregation cursor on MongoDB
+ * allowing for iteration over the results returned from the underlying query. It supports
+ * one by one document iteration, conversion to an array or can be iterated as a Node 4.X
+ * or higher stream
+ * @public
+ */
+export declare class AggregationCursor<TSchema = any> extends AbstractCursor<TSchema> {
+    /* Excluded from this release type: [kPipeline] */
+    /* Excluded from this release type: [kOptions] */
+    /* Excluded from this release type: __constructor */
+    get pipeline(): Document[];
+    clone(): AggregationCursor<TSchema>;
+    map<T>(transform: (doc: TSchema) => T): AggregationCursor<T>;
+    /* Excluded from this release type: _initialize */
+    /** Execute the explain for the cursor */
+    explain(): Promise<Document>;
+    explain(callback: Callback): void;
+    explain(verbosity: ExplainVerbosityLike): Promise<Document>;
+    /** Add a group stage to the aggregation pipeline */
+    group<T = TSchema>($group: Document): AggregationCursor<T>;
+    /** Add a limit stage to the aggregation pipeline */
+    limit($limit: number): this;
+    /** Add a match stage to the aggregation pipeline */
+    match($match: Document): this;
+    /** Add an out stage to the aggregation pipeline */
+    out($out: {
+        db: string;
+        coll: string;
+    } | string): this;
+    /**
+     * Add a project stage to the aggregation pipeline
+     *
+     * @remarks
+     * In order to strictly type this function you must provide an interface
+     * that represents the effect of your projection on the result documents.
+     *
+     * By default chaining a projection to your cursor changes the returned type to the generic {@link Document} type.
+     * You should specify a parameterized type to have assertions on your final results.
+     *
+     * @example
+     * ```typescript
+     * // Best way
+     * const docs: AggregationCursor<{ a: number }> = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * // Flexible way
+     * const docs: AggregationCursor<Document> = cursor.project({ _id: 0, a: true });
+     * ```
+     *
+     * @remarks
+     * In order to strictly type this function you must provide an interface
+     * that represents the effect of your projection on the result documents.
+     *
+     * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+     * it **does not** return a new instance of a cursor. This means when calling project,
+     * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+     * Take note of the following example:
+     *
+     * @example
+     * ```typescript
+     * const cursor: AggregationCursor<{ a: number; b: string }> = coll.aggregate([]);
+     * const projectCursor = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * const aPropOnlyArray: {a: number}[] = await projectCursor.toArray();
+     *
+     * // or always use chaining and save the final cursor
+     *
+     * const cursor = coll.aggregate().project<{ a: string }>({
+     *   _id: 0,
+     *   a: { $convert: { input: '$a', to: 'string' }
+     * }});
+     * ```
+     */
+    project<T extends Document = Document>($project: Document): AggregationCursor<T>;
+    /** Add a lookup stage to the aggregation pipeline */
+    lookup($lookup: Document): this;
+    /** Add a redact stage to the aggregation pipeline */
+    redact($redact: Document): this;
+    /** Add a skip stage to the aggregation pipeline */
+    skip($skip: number): this;
+    /** Add a sort stage to the aggregation pipeline */
+    sort($sort: Sort): this;
+    /** Add a unwind stage to the aggregation pipeline */
+    unwind($unwind: Document | string): this;
+    /** @deprecated Add a geoNear stage to the aggregation pipeline */
+    geoNear($geoNear: Document): this;
+}
+
+/** @public */
+export declare interface AggregationCursorOptions extends AbstractCursorOptions, AggregateOptions {
+}
+
+/**
+ * It is possible to search using alternative types in mongodb e.g.
+ * string types can be searched using a regex in mongo
+ * array types can be searched using their element type
+ * @public
+ */
+export declare type AlternativeType<T> = T extends ReadonlyArray<infer U> ? T | RegExpOrString<U> : RegExpOrString<T>;
+
+/** @public */
+export declare type AnyBulkWriteOperation<TSchema extends Document = Document> = {
+    insertOne: InsertOneModel<TSchema>;
+} | {
+    replaceOne: ReplaceOneModel<TSchema>;
+} | {
+    updateOne: UpdateOneModel<TSchema>;
+} | {
+    updateMany: UpdateManyModel<TSchema>;
+} | {
+    deleteOne: DeleteOneModel<TSchema>;
+} | {
+    deleteMany: DeleteManyModel<TSchema>;
+};
+
+/** @public */
+export declare type AnyError = MongoError | Error;
+
+/** @public */
+export declare type ArrayElement<Type> = Type extends ReadonlyArray<infer Item> ? Item : never;
+
+/** @public */
+export declare type ArrayOperator<Type> = {
+    $each?: Array<Flatten<Type>>;
+    $slice?: number;
+    $position?: number;
+    $sort?: Sort;
+};
+
+/** @public */
+export declare interface Auth {
+    /** The username for auth */
+    username?: string;
+    /** The password for auth */
+    password?: string;
+}
+
+/** @public */
+export declare const AuthMechanism: Readonly<{
+    readonly MONGODB_AWS: "MONGODB-AWS";
+    readonly MONGODB_CR: "MONGODB-CR";
+    readonly MONGODB_DEFAULT: "DEFAULT";
+    readonly MONGODB_GSSAPI: "GSSAPI";
+    readonly MONGODB_PLAIN: "PLAIN";
+    readonly MONGODB_SCRAM_SHA1: "SCRAM-SHA-1";
+    readonly MONGODB_SCRAM_SHA256: "SCRAM-SHA-256";
+    readonly MONGODB_X509: "MONGODB-X509";
+}>;
+
+/** @public */
+export declare type AuthMechanism = typeof AuthMechanism[keyof typeof AuthMechanism];
+
+/** @public */
+export declare interface AuthMechanismProperties extends Document {
+    SERVICE_HOST?: string;
+    SERVICE_NAME?: string;
+    SERVICE_REALM?: string;
+    CANONICALIZE_HOST_NAME?: GSSAPICanonicalizationValue;
+    AWS_SESSION_TOKEN?: string;
+}
+
+/** @public */
+export declare interface AutoEncrypter {
+    new (client: MongoClient, options: AutoEncryptionOptions): AutoEncrypter;
+    init(cb: Callback): void;
+    teardown(force: boolean, callback: Callback): void;
+    encrypt(ns: string, cmd: Document, options: any, callback: Callback<Document>): void;
+    decrypt(cmd: Document, options: any, callback: Callback<Document>): void;
+    /** @experimental */
+    readonly cryptSharedLibVersionInfo: {
+        version: bigint;
+        versionStr: string;
+    } | null;
+}
+
+/** @public */
+export declare const AutoEncryptionLoggerLevel: Readonly<{
+    readonly FatalError: 0;
+    readonly Error: 1;
+    readonly Warning: 2;
+    readonly Info: 3;
+    readonly Trace: 4;
+}>;
+
+/** @public */
+export declare type AutoEncryptionLoggerLevel = typeof AutoEncryptionLoggerLevel[keyof typeof AutoEncryptionLoggerLevel];
+
+/** @public */
+export declare interface AutoEncryptionOptions {
+    /* Excluded from this release type: bson */
+    /* Excluded from this release type: metadataClient */
+    /** A `MongoClient` used to fetch keys from a key vault */
+    keyVaultClient?: MongoClient;
+    /** The namespace where keys are stored in the key vault */
+    keyVaultNamespace?: string;
+    /** Configuration options that are used by specific KMS providers during key generation, encryption, and decryption. */
+    kmsProviders?: {
+        /** Configuration options for using 'aws' as your KMS provider */
+        aws?: {
+            /** The access key used for the AWS KMS provider */
+            accessKeyId: string;
+            /** The secret access key used for the AWS KMS provider */
+            secretAccessKey: string;
+            /**
+             * An optional AWS session token that will be used as the
+             * X-Amz-Security-Token header for AWS requests.
+             */
+            sessionToken?: string;
+        };
+        /** Configuration options for using 'local' as your KMS provider */
+        local?: {
+            /**
+             * The master key used to encrypt/decrypt data keys.
+             * A 96-byte long Buffer or base64 encoded string.
+             */
+            key: Buffer | string;
+        };
+        /** Configuration options for using 'azure' as your KMS provider */
+        azure?: {
+            /** The tenant ID identifies the organization for the account */
+            tenantId: string;
+            /** The client ID to authenticate a registered application */
+            clientId: string;
+            /** The client secret to authenticate a registered application */
+            clientSecret: string;
+            /**
+             * If present, a host with optional port. E.g. "example.com" or "example.com:443".
+             * This is optional, and only needed if customer is using a non-commercial Azure instance
+             * (e.g. a government or China account, which use different URLs).
+             * Defaults to "login.microsoftonline.com"
+             */
+            identityPlatformEndpoint?: string | undefined;
+        };
+        /** Configuration options for using 'gcp' as your KMS provider */
+        gcp?: {
+            /** The service account email to authenticate */
+            email: string;
+            /** A PKCS#8 encrypted key. This can either be a base64 string or a binary representation */
+            privateKey: string | Buffer;
+            /**
+             * If present, a host with optional port. E.g. "example.com" or "example.com:443".
+             * Defaults to "oauth2.googleapis.com"
+             */
+            endpoint?: string | undefined;
+        };
+        /**
+         * Configuration options for using 'kmip' as your KMS provider
+         */
+        kmip?: {
+            /**
+             * The output endpoint string.
+             * The endpoint consists of a hostname and port separated by a colon.
+             * E.g. "example.com:123". A port is always present.
+             */
+            endpoint?: string;
+        };
+    };
+    /**
+     * A map of namespaces to a local JSON schema for encryption
+     *
+     * **NOTE**: Supplying options.schemaMap provides more security than relying on JSON Schemas obtained from the server.
+     * It protects against a malicious server advertising a false JSON Schema, which could trick the client into sending decrypted data that should be encrypted.
+     * Schemas supplied in the schemaMap only apply to configuring automatic encryption for client side encryption.
+     * Other validation rules in the JSON schema will not be enforced by the driver and will result in an error.
+     */
+    schemaMap?: Document;
+    /** @experimental Public Technical Preview: Supply a schema for the encrypted fields in the document  */
+    encryptedFieldsMap?: Document;
+    /** Allows the user to bypass auto encryption, maintaining implicit decryption */
+    bypassAutoEncryption?: boolean;
+    /** @experimental Public Technical Preview: Allows users to bypass query analysis */
+    bypassQueryAnalysis?: boolean;
+    options?: {
+        /** An optional hook to catch logging messages from the underlying encryption engine */
+        logger?: (level: AutoEncryptionLoggerLevel, message: string) => void;
+    };
+    extraOptions?: {
+        /**
+         * A local process the driver communicates with to determine how to encrypt values in a command.
+         * Defaults to "mongodb://%2Fvar%2Fmongocryptd.sock" if domain sockets are available or "mongodb://localhost:27020" otherwise
+         */
+        mongocryptdURI?: string;
+        /** If true, autoEncryption will not attempt to spawn a mongocryptd before connecting  */
+        mongocryptdBypassSpawn?: boolean;
+        /** The path to the mongocryptd executable on the system */
+        mongocryptdSpawnPath?: string;
+        /** Command line arguments to use when auto-spawning a mongocryptd */
+        mongocryptdSpawnArgs?: string[];
+        /**
+         * Full path to a MongoDB Crypt shared library to be used (instead of mongocryptd).
+         *
+         * This needs to be the path to the file itself, not a directory.
+         * It can be an absolute or relative path. If the path is relative and
+         * its first component is `$ORIGIN`, it will be replaced by the directory
+         * containing the mongodb-client-encryption native addon file. Otherwise,
+         * the path will be interpreted relative to the current working directory.
+         *
+         * Currently, loading different MongoDB Crypt shared library files from different
+         * MongoClients in the same process is not supported.
+         *
+         * If this option is provided and no MongoDB Crypt shared library could be loaded
+         * from the specified location, creating the MongoClient will fail.
+         *
+         * If this option is not provided and `cryptSharedLibRequired` is not specified,
+         * the AutoEncrypter will attempt to spawn and/or use mongocryptd according
+         * to the mongocryptd-specific `extraOptions` options.
+         *
+         * Specifying a path prevents mongocryptd from being used as a fallback.
+         *
+         * Requires the MongoDB Crypt shared library, available in MongoDB 6.0 or higher.
+         */
+        cryptSharedLibPath?: string;
+        /**
+         * If specified, never use mongocryptd and instead fail when the MongoDB Crypt
+         * shared library could not be loaded.
+         *
+         * This is always true when `cryptSharedLibPath` is specified.
+         *
+         * Requires the MongoDB Crypt shared library, available in MongoDB 6.0 or higher.
+         */
+        cryptSharedLibRequired?: boolean;
+        /* Excluded from this release type: cryptSharedLibSearchPaths */
+    };
+    proxyOptions?: ProxyOptions;
+    /** The TLS options to use connecting to the KMS provider */
+    tlsOptions?: {
+        aws?: AutoEncryptionTlsOptions;
+        local?: AutoEncryptionTlsOptions;
+        azure?: AutoEncryptionTlsOptions;
+        gcp?: AutoEncryptionTlsOptions;
+        kmip?: AutoEncryptionTlsOptions;
+    };
+}
+
+/** @public */
+export declare interface AutoEncryptionTlsOptions {
+    /**
+     * Specifies the location of a local .pem file that contains
+     * either the client's TLS/SSL certificate and key or only the
+     * client's TLS/SSL key when tlsCertificateFile is used to
+     * provide the certificate.
+     */
+    tlsCertificateKeyFile?: string;
+    /**
+     * Specifies the password to de-crypt the tlsCertificateKeyFile.
+     */
+    tlsCertificateKeyFilePassword?: string;
+    /**
+     * Specifies the location of a local .pem file that contains the
+     * root certificate chain from the Certificate Authority.
+     * This file is used to validate the certificate presented by the
+     * KMS provider.
+     */
+    tlsCAFile?: string;
+}
+
+/**
+ * Keeps the state of a unordered batch so we can rewrite the results
+ * correctly after command execution
+ *
+ * @public
+ */
+export declare class Batch<T = Document> {
+    originalZeroIndex: number;
+    currentIndex: number;
+    originalIndexes: number[];
+    batchType: BatchType;
+    operations: T[];
+    size: number;
+    sizeBytes: number;
+    constructor(batchType: BatchType, originalZeroIndex: number);
+}
+
+/** @public */
+export declare const BatchType: Readonly<{
+    readonly INSERT: 1;
+    readonly UPDATE: 2;
+    readonly DELETE: 3;
+}>;
+
+/** @public */
+export declare type BatchType = typeof BatchType[keyof typeof BatchType];
+
+export { Binary }
+
+/* Excluded from this release type: BinMsg */
+
+/** @public */
+export declare type BitwiseFilter = number /** numeric bit mask */ | Binary /** BinData bit mask */ | ReadonlyArray<number>;
+
+/* Excluded from this release type: BSON */
+export { BSONRegExp }
+
+/**
+ * BSON Serialization options.
+ * @public
+ */
+export declare interface BSONSerializeOptions extends Omit<SerializeOptions, 'index'>, Omit<DeserializeOptions, 'evalFunctions' | 'cacheFunctions' | 'cacheFunctionsCrc32' | 'allowObjectSmallerThanBufferSize' | 'index' | 'validation'> {
+    /** Return BSON filled buffers from operations */
+    raw?: boolean;
+    /** Enable utf8 validation when deserializing BSON documents.  Defaults to true. */
+    enableUtf8Validation?: boolean;
+}
+
+export { BSONSymbol }
+
+/** @public */
+export declare const BSONType: Readonly<{
+    readonly double: 1;
+    readonly string: 2;
+    readonly object: 3;
+    readonly array: 4;
+    readonly binData: 5;
+    readonly undefined: 6;
+    readonly objectId: 7;
+    readonly bool: 8;
+    readonly date: 9;
+    readonly null: 10;
+    readonly regex: 11;
+    readonly dbPointer: 12;
+    readonly javascript: 13;
+    readonly symbol: 14;
+    readonly javascriptWithScope: 15;
+    readonly int: 16;
+    readonly timestamp: 17;
+    readonly long: 18;
+    readonly decimal: 19;
+    readonly minKey: -1;
+    readonly maxKey: 127;
+}>;
+
+/** @public */
+export declare type BSONType = typeof BSONType[keyof typeof BSONType];
+
+/** @public */
+export declare type BSONTypeAlias = keyof typeof BSONType;
+
+/* Excluded from this release type: BufferPool */
+
+/** @public */
+export declare abstract class BulkOperationBase {
+    isOrdered: boolean;
+    /* Excluded from this release type: s */
+    operationId?: number;
+    /* Excluded from this release type: __constructor */
+    /**
+     * Add a single insert document to the bulk operation
+     *
+     * @example
+     * ```js
+     * const bulkOp = collection.initializeOrderedBulkOp();
+     *
+     * // Adds three inserts to the bulkOp.
+     * bulkOp
+     *   .insert({ a: 1 })
+     *   .insert({ b: 2 })
+     *   .insert({ c: 3 });
+     * await bulkOp.execute();
+     * ```
+     */
+    insert(document: Document): BulkOperationBase;
+    /**
+     * Builds a find operation for an update/updateOne/delete/deleteOne/replaceOne.
+     * Returns a builder object used to complete the definition of the operation.
+     *
+     * @example
+     * ```js
+     * const bulkOp = collection.initializeOrderedBulkOp();
+     *
+     * // Add an updateOne to the bulkOp
+     * bulkOp.find({ a: 1 }).updateOne({ $set: { b: 2 } });
+     *
+     * // Add an updateMany to the bulkOp
+     * bulkOp.find({ c: 3 }).update({ $set: { d: 4 } });
+     *
+     * // Add an upsert
+     * bulkOp.find({ e: 5 }).upsert().updateOne({ $set: { f: 6 } });
+     *
+     * // Add a deletion
+     * bulkOp.find({ g: 7 }).deleteOne();
+     *
+     * // Add a multi deletion
+     * bulkOp.find({ h: 8 }).delete();
+     *
+     * // Add a replaceOne
+     * bulkOp.find({ i: 9 }).replaceOne({writeConcern: { j: 10 }});
+     *
+     * // Update using a pipeline (requires Mongodb 4.2 or higher)
+     * bulk.find({ k: 11, y: { $exists: true }, z: { $exists: true } }).updateOne([
+     *   { $set: { total: { $sum: [ '$y', '$z' ] } } }
+     * ]);
+     *
+     * // All of the ops will now be executed
+     * await bulkOp.execute();
+     * ```
+     */
+    find(selector: Document): FindOperators;
+    /** Specifies a raw operation to perform in the bulk write. */
+    raw(op: AnyBulkWriteOperation): this;
+    get bsonOptions(): BSONSerializeOptions;
+    get writeConcern(): WriteConcern | undefined;
+    get batches(): Batch[];
+    execute(options?: BulkWriteOptions): Promise<BulkWriteResult>;
+    execute(callback: Callback<BulkWriteResult>): void;
+    execute(options: BulkWriteOptions | undefined, callback: Callback<BulkWriteResult>): void;
+    execute(options?: BulkWriteOptions | Callback<BulkWriteResult>, callback?: Callback<BulkWriteResult>): Promise<BulkWriteResult> | void;
+    /* Excluded from this release type: handleWriteError */
+    abstract addToOperationsList(batchType: BatchType, document: Document | UpdateStatement | DeleteStatement): this;
+}
+
+/* Excluded from this release type: BulkOperationPrivate */
+
+/** @public */
+export declare interface BulkResult {
+    ok: number;
+    writeErrors: WriteError[];
+    writeConcernErrors: WriteConcernError[];
+    insertedIds: Document[];
+    nInserted: number;
+    nUpserted: number;
+    nMatched: number;
+    nModified: number;
+    nRemoved: number;
+    upserted: Document[];
+    opTime?: Document;
+}
+
+/** @public */
+export declare interface BulkWriteOperationError {
+    index: number;
+    code: number;
+    errmsg: string;
+    errInfo: Document;
+    op: Document | UpdateStatement | DeleteStatement;
+}
+
+/** @public */
+export declare interface BulkWriteOptions extends CommandOperationOptions {
+    /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+    bypassDocumentValidation?: boolean;
+    /** If true, when an insert fails, don't execute the remaining writes. If false, continue with remaining inserts when one fails. */
+    ordered?: boolean;
+    /** @deprecated use `ordered` instead */
+    keepGoing?: boolean;
+    /** Force server to assign _id values instead of driver. */
+    forceServerObjectId?: boolean;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+}
+
+/**
+ * @public
+ * The result of a bulk write.
+ */
+export declare class BulkWriteResult {
+    result: BulkResult;
+    /* Excluded from this release type: __constructor */
+    /** Number of documents inserted. */
+    get insertedCount(): number;
+    /** Number of documents matched for update. */
+    get matchedCount(): number;
+    /** Number of documents modified. */
+    get modifiedCount(): number;
+    /** Number of documents deleted. */
+    get deletedCount(): number;
+    /** Number of documents upserted. */
+    get upsertedCount(): number;
+    /** Upserted document generated Id's, hash key is the index of the originating operation */
+    get upsertedIds(): {
+        [key: number]: any;
+    };
+    /** Inserted document generated Id's, hash key is the index of the originating operation */
+    get insertedIds(): {
+        [key: number]: any;
+    };
+    /** Evaluates to true if the bulk operation correctly executes */
+    get ok(): number;
+    /** The number of inserted documents */
+    get nInserted(): number;
+    /** Number of upserted documents */
+    get nUpserted(): number;
+    /** Number of matched documents */
+    get nMatched(): number;
+    /** Number of documents updated physically on disk */
+    get nModified(): number;
+    /** Number of removed documents */
+    get nRemoved(): number;
+    /** Returns an array of all inserted ids */
+    getInsertedIds(): Document[];
+    /** Returns an array of all upserted ids */
+    getUpsertedIds(): Document[];
+    /** Returns the upserted id at the given index */
+    getUpsertedIdAt(index: number): Document | undefined;
+    /** Returns raw internal result */
+    getRawResponse(): Document;
+    /** Returns true if the bulk operation contains a write error */
+    hasWriteErrors(): boolean;
+    /** Returns the number of write errors off the bulk operation */
+    getWriteErrorCount(): number;
+    /** Returns a specific write error object */
+    getWriteErrorAt(index: number): WriteError | undefined;
+    /** Retrieve all write errors */
+    getWriteErrors(): WriteError[];
+    /** Retrieve lastOp if available */
+    getLastOp(): Document | undefined;
+    /** Retrieve the write concern error if one exists */
+    getWriteConcernError(): WriteConcernError | undefined;
+    toJSON(): BulkResult;
+    toString(): string;
+    isOk(): boolean;
+}
+
+/**
+ * MongoDB Driver style callback
+ * @public
+ */
+export declare type Callback<T = any> = (error?: AnyError, result?: T) => void;
+
+/** @public */
+export declare class CancellationToken extends TypedEventEmitter<{
+    cancel(): void;
+}> {
+}
+
+/**
+ * Creates a new Change Stream instance. Normally created using {@link Collection#watch|Collection.watch()}.
+ * @public
+ */
+export declare class ChangeStream<TSchema extends Document = Document, TChange extends Document = ChangeStreamDocument<TSchema>> extends TypedEventEmitter<ChangeStreamEvents<TSchema, TChange>> {
+    pipeline: Document[];
+    options: ChangeStreamOptions;
+    parent: MongoClient | Db | Collection;
+    namespace: MongoDBNamespace;
+    type: symbol;
+    /* Excluded from this release type: cursor */
+    streamOptions?: CursorStreamOptions;
+    /* Excluded from this release type: [kCursorStream] */
+    /* Excluded from this release type: [kClosed] */
+    /* Excluded from this release type: [kMode] */
+    /** @event */
+    static readonly RESPONSE: "response";
+    /** @event */
+    static readonly MORE: "more";
+    /** @event */
+    static readonly INIT: "init";
+    /** @event */
+    static readonly CLOSE: "close";
+    /**
+     * Fired for each new matching change in the specified namespace. Attaching a `change`
+     * event listener to a Change Stream will switch the stream into flowing mode. Data will
+     * then be passed as soon as it is available.
+     * @event
+     */
+    static readonly CHANGE: "change";
+    /** @event */
+    static readonly END: "end";
+    /** @event */
+    static readonly ERROR: "error";
+    /**
+     * Emitted each time the change stream stores a new resume token.
+     * @event
+     */
+    static readonly RESUME_TOKEN_CHANGED: "resumeTokenChanged";
+    /* Excluded from this release type: __constructor */
+    /* Excluded from this release type: cursorStream */
+    /** The cached resume token that is used to resume after the most recently returned change. */
+    get resumeToken(): ResumeToken;
+    /** Check if there is any document still available in the Change Stream */
+    hasNext(): Promise<boolean>;
+    hasNext(callback: Callback<boolean>): void;
+    /** Get the next available document from the Change Stream. */
+    next(): Promise<TChange>;
+    next(callback: Callback<TChange>): void;
+    /**
+     * Try to get the next available document from the Change Stream's cursor or `null` if an empty batch is returned
+     */
+    tryNext(): Promise<Document | null>;
+    tryNext(callback: Callback<Document | null>): void;
+    /** Is the cursor closed */
+    get closed(): boolean;
+    /** Close the Change Stream */
+    close(): Promise<void>;
+    close(callback: Callback): void;
+    /**
+     * Return a modified Readable stream including a possible transform method.
+     *
+     * NOTE: When using a Stream to process change stream events, the stream will
+     * NOT automatically resume in the case a resumable error is encountered.
+     *
+     * @throws MongoChangeStreamError if the underlying cursor or the change stream is closed
+     */
+    stream(options?: CursorStreamOptions): Readable & AsyncIterable<TChange>;
+    /* Excluded from this release type: _setIsEmitter */
+    /* Excluded from this release type: _setIsIterator */
+    /* Excluded from this release type: _createChangeStreamCursor */
+    /* Excluded from this release type: _closeEmitterModeWithError */
+    /* Excluded from this release type: _streamEvents */
+    /* Excluded from this release type: _endStream */
+    /* Excluded from this release type: _processChange */
+    /* Excluded from this release type: _processErrorStreamMode */
+    /* Excluded from this release type: _processErrorIteratorMode */
+    /* Excluded from this release type: _processErrorIteratorModeCallback */
+}
+
+/* Excluded from this release type: ChangeStreamAggregateRawResult */
+
+/**
+ * Only present when the `showExpandedEvents` flag is enabled.
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamCollModDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'modify';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamCreateDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'create';
+}
+
+/**
+ * Only present when the `showExpandedEvents` flag is enabled.
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamCreateIndexDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID, ChangeStreamDocumentOperationDescription {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'createIndexes';
+}
+
+/* Excluded from this release type: ChangeStreamCursor */
+
+/* Excluded from this release type: ChangeStreamCursorOptions */
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#delete-event
+ */
+export declare interface ChangeStreamDeleteDocument<TSchema extends Document = Document> extends ChangeStreamDocumentCommon, ChangeStreamDocumentKey<TSchema>, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'delete';
+    /** Namespace the delete event occured on */
+    ns: ChangeStreamNameSpace;
+    /**
+     * Contains the pre-image of the modified or deleted document if the
+     * pre-image is available for the change event and either 'required' or
+     * 'whenAvailable' was specified for the 'fullDocumentBeforeChange' option
+     * when creating the change stream. If 'whenAvailable' was specified but the
+     * pre-image is unavailable, this will be explicitly set to null.
+     */
+    fullDocumentBeforeChange?: TSchema;
+}
+
+/** @public */
+export declare type ChangeStreamDocument<TSchema extends Document = Document> = ChangeStreamInsertDocument<TSchema> | ChangeStreamUpdateDocument<TSchema> | ChangeStreamReplaceDocument<TSchema> | ChangeStreamDeleteDocument<TSchema> | ChangeStreamDropDocument | ChangeStreamRenameDocument | ChangeStreamDropDatabaseDocument | ChangeStreamInvalidateDocument | ChangeStreamCreateIndexDocument | ChangeStreamCreateDocument | ChangeStreamCollModDocument | ChangeStreamDropIndexDocument | ChangeStreamShardCollectionDocument | ChangeStreamReshardCollectionDocument | ChangeStreamRefineCollectionShardKeyDocument;
+
+/** @public */
+export declare interface ChangeStreamDocumentCollectionUUID {
+    /**
+     * The UUID (Binary subtype 4) of the collection that the operation was performed on.
+     *
+     * Only present when the `showExpandedEvents` flag is enabled.
+     *
+     * **NOTE:** collectionUUID will be converted to a NodeJS Buffer if the promoteBuffers
+     *    flag is enabled.
+     *
+     * @since 6.1.0
+     */
+    collectionUUID: Binary;
+}
+
+/** @public */
+export declare interface ChangeStreamDocumentCommon {
+    /**
+     * The id functions as an opaque token for use when resuming an interrupted
+     * change stream.
+     */
+    _id: ResumeToken;
+    /**
+     * The timestamp from the oplog entry associated with the event.
+     * For events that happened as part of a multi-document transaction, the associated change stream
+     * notifications will have the same clusterTime value, namely the time when the transaction was committed.
+     * On a sharded cluster, events that occur on different shards can have the same clusterTime but be
+     * associated with different transactions or even not be associated with any transaction.
+     * To identify events for a single transaction, you can use the combination of lsid and txnNumber in the change stream event document.
+     */
+    clusterTime?: Timestamp;
+    /**
+     * The transaction number.
+     * Only present if the operation is part of a multi-document transaction.
+     *
+     * **NOTE:** txnNumber can be a Long if promoteLongs is set to false
+     */
+    txnNumber?: number;
+    /**
+     * The identifier for the session associated with the transaction.
+     * Only present if the operation is part of a multi-document transaction.
+     */
+    lsid?: ServerSessionId;
+}
+
+/** @public */
+export declare interface ChangeStreamDocumentKey<TSchema extends Document = Document> {
+    /**
+     * For unsharded collections this contains a single field `_id`.
+     * For sharded collections, this will contain all the components of the shard key
+     */
+    documentKey: {
+        _id: InferIdType<TSchema>;
+        [shardKey: string]: any;
+    };
+}
+
+/** @public */
+export declare interface ChangeStreamDocumentOperationDescription {
+    /**
+     * An description of the operation.
+     *
+     * Only present when the `showExpandedEvents` flag is enabled.
+     *
+     * @since 6.1.0
+     */
+    operationDescription?: Document;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#dropdatabase-event
+ */
+export declare interface ChangeStreamDropDatabaseDocument extends ChangeStreamDocumentCommon {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'dropDatabase';
+    /** The database dropped */
+    ns: {
+        db: string;
+    };
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#drop-event
+ */
+export declare interface ChangeStreamDropDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'drop';
+    /** Namespace the drop event occured on */
+    ns: ChangeStreamNameSpace;
+}
+
+/**
+ * Only present when the `showExpandedEvents` flag is enabled.
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamDropIndexDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID, ChangeStreamDocumentOperationDescription {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'dropIndexes';
+}
+
+/** @public */
+export declare type ChangeStreamEvents<TSchema extends Document = Document, TChange extends Document = ChangeStreamDocument<TSchema>> = {
+    resumeTokenChanged(token: ResumeToken): void;
+    init(response: any): void;
+    more(response?: any): void;
+    response(): void;
+    end(): void;
+    error(error: Error): void;
+    change(change: TChange): void;
+} & AbstractCursorEvents;
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#insert-event
+ */
+export declare interface ChangeStreamInsertDocument<TSchema extends Document = Document> extends ChangeStreamDocumentCommon, ChangeStreamDocumentKey<TSchema>, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'insert';
+    /** This key will contain the document being inserted */
+    fullDocument: TSchema;
+    /** Namespace the insert event occured on */
+    ns: ChangeStreamNameSpace;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#invalidate-event
+ */
+export declare interface ChangeStreamInvalidateDocument extends ChangeStreamDocumentCommon {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'invalidate';
+}
+
+/** @public */
+export declare interface ChangeStreamNameSpace {
+    db: string;
+    coll: string;
+}
+
+/**
+ * Options that can be passed to a ChangeStream. Note that startAfter, resumeAfter, and startAtOperationTime are all mutually exclusive, and the server will error if more than one is specified.
+ * @public
+ */
+export declare interface ChangeStreamOptions extends AggregateOptions {
+    /**
+     * Allowed values: 'updateLookup', 'whenAvailable', 'required'.
+     *
+     * When set to 'updateLookup', the change notification for partial updates
+     * will include both a delta describing the changes to the document as well
+     * as a copy of the entire document that was changed from some time after
+     * the change occurred.
+     *
+     * When set to 'whenAvailable', configures the change stream to return the
+     * post-image of the modified document for replace and update change events
+     * if the post-image for this event is available.
+     *
+     * When set to 'required', the same behavior as 'whenAvailable' except that
+     * an error is raised if the post-image is not available.
+     */
+    fullDocument?: string;
+    /**
+     * Allowed values: 'whenAvailable', 'required', 'off'.
+     *
+     * The default is to not send a value, which is equivalent to 'off'.
+     *
+     * When set to 'whenAvailable', configures the change stream to return the
+     * pre-image of the modified document for replace, update, and delete change
+     * events if it is available.
+     *
+     * When set to 'required', the same behavior as 'whenAvailable' except that
+     * an error is raised if the pre-image is not available.
+     */
+    fullDocumentBeforeChange?: string;
+    /** The maximum amount of time for the server to wait on new documents to satisfy a change stream query. */
+    maxAwaitTimeMS?: number;
+    /**
+     * Allows you to start a changeStream after a specified event.
+     * @see https://docs.mongodb.com/manual/changeStreams/#resumeafter-for-change-streams
+     */
+    resumeAfter?: ResumeToken;
+    /**
+     * Similar to resumeAfter, but will allow you to start after an invalidated event.
+     * @see https://docs.mongodb.com/manual/changeStreams/#startafter-for-change-streams
+     */
+    startAfter?: ResumeToken;
+    /** Will start the changeStream after the specified operationTime. */
+    startAtOperationTime?: OperationTime;
+    /**
+     * The number of documents to return per batch.
+     * @see https://docs.mongodb.com/manual/reference/command/aggregate
+     */
+    batchSize?: number;
+    /**
+     * When enabled, configures the change stream to include extra change events.
+     *
+     * - createIndexes
+     * - dropIndexes
+     * - modify
+     * - create
+     * - shardCollection
+     * - reshardCollection
+     * - refineCollectionShardKey
+     */
+    showExpandedEvents?: boolean;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamRefineCollectionShardKeyDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID, ChangeStreamDocumentOperationDescription {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'refineCollectionShardKey';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#rename-event
+ */
+export declare interface ChangeStreamRenameDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'rename';
+    /** The new name for the `ns.coll` collection */
+    to: {
+        db: string;
+        coll: string;
+    };
+    /** The "from" namespace that the rename occured on */
+    ns: ChangeStreamNameSpace;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#replace-event
+ */
+export declare interface ChangeStreamReplaceDocument<TSchema extends Document = Document> extends ChangeStreamDocumentCommon, ChangeStreamDocumentKey<TSchema> {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'replace';
+    /** The fullDocument of a replace event represents the document after the insert of the replacement document */
+    fullDocument: TSchema;
+    /** Namespace the replace event occured on */
+    ns: ChangeStreamNameSpace;
+    /**
+     * Contains the pre-image of the modified or deleted document if the
+     * pre-image is available for the change event and either 'required' or
+     * 'whenAvailable' was specified for the 'fullDocumentBeforeChange' option
+     * when creating the change stream. If 'whenAvailable' was specified but the
+     * pre-image is unavailable, this will be explicitly set to null.
+     */
+    fullDocumentBeforeChange?: TSchema;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamReshardCollectionDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID, ChangeStreamDocumentOperationDescription {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'reshardCollection';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export declare interface ChangeStreamShardCollectionDocument extends ChangeStreamDocumentCommon, ChangeStreamDocumentCollectionUUID, ChangeStreamDocumentOperationDescription {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'shardCollection';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#update-event
+ */
+export declare interface ChangeStreamUpdateDocument<TSchema extends Document = Document> extends ChangeStreamDocumentCommon, ChangeStreamDocumentKey<TSchema>, ChangeStreamDocumentCollectionUUID {
+    /** Describes the type of operation represented in this change notification */
+    operationType: 'update';
+    /**
+     * This is only set if `fullDocument` is set to `'updateLookup'`
+     * Contains the point-in-time post-image of the modified document if the
+     * post-image is available and either 'required' or 'whenAvailable' was
+     * specified for the 'fullDocument' option when creating the change stream.
+     */
+    fullDocument?: TSchema;
+    /** Contains a description of updated and removed fields in this operation */
+    updateDescription: UpdateDescription<TSchema>;
+    /** Namespace the update event occured on */
+    ns: ChangeStreamNameSpace;
+    /**
+     * Contains the pre-image of the modified or deleted document if the
+     * pre-image is available for the change event and either 'required' or
+     * 'whenAvailable' was specified for the 'fullDocumentBeforeChange' option
+     * when creating the change stream. If 'whenAvailable' was specified but the
+     * pre-image is unavailable, this will be explicitly set to null.
+     */
+    fullDocumentBeforeChange?: TSchema;
+}
+
+/** @public */
+export declare interface ClientMetadata {
+    driver: {
+        name: string;
+        version: string;
+    };
+    os: {
+        type: string;
+        name: NodeJS.Platform;
+        architecture: string;
+        version: string;
+    };
+    platform: string;
+    version?: string;
+    application?: {
+        name: string;
+    };
+}
+
+/** @public */
+export declare interface ClientMetadataOptions {
+    driverInfo?: {
+        name?: string;
+        version?: string;
+        platform?: string;
+    };
+    appName?: string;
+}
+
+/**
+ * A class representing a client session on the server
+ *
+ * NOTE: not meant to be instantiated directly.
+ * @public
+ */
+export declare class ClientSession extends TypedEventEmitter<ClientSessionEvents> {
+    /* Excluded from this release type: client */
+    /* Excluded from this release type: sessionPool */
+    hasEnded: boolean;
+    clientOptions?: MongoOptions;
+    supports: {
+        causalConsistency: boolean;
+    };
+    clusterTime?: ClusterTime;
+    operationTime?: Timestamp;
+    explicit: boolean;
+    /* Excluded from this release type: owner */
+    defaultTransactionOptions: TransactionOptions;
+    transaction: Transaction;
+    /* Excluded from this release type: [kServerSession] */
+    /* Excluded from this release type: [kSnapshotTime] */
+    /* Excluded from this release type: [kSnapshotEnabled] */
+    /* Excluded from this release type: [kPinnedConnection] */
+    /* Excluded from this release type: [kTxnNumberIncrement] */
+    /* Excluded from this release type: __constructor */
+    /** The server id associated with this session */
+    get id(): ServerSessionId | undefined;
+    get serverSession(): ServerSession;
+    /** Whether or not this session is configured for snapshot reads */
+    get snapshotEnabled(): boolean;
+    get loadBalanced(): boolean;
+    /* Excluded from this release type: pinnedConnection */
+    /* Excluded from this release type: pin */
+    /* Excluded from this release type: unpin */
+    get isPinned(): boolean;
+    /**
+     * Ends this session on the server
+     *
+     * @param options - Optional settings. Currently reserved for future use
+     * @param callback - Optional callback for completion of this operation
+     */
+    endSession(): Promise<void>;
+    endSession(callback: Callback<void>): void;
+    endSession(options: EndSessionOptions): Promise<void>;
+    endSession(options: EndSessionOptions, callback: Callback<void>): void;
+    /**
+     * Advances the operationTime for a ClientSession.
+     *
+     * @param operationTime - the `BSON.Timestamp` of the operation type it is desired to advance to
+     */
+    advanceOperationTime(operationTime: Timestamp): void;
+    /**
+     * Advances the clusterTime for a ClientSession to the provided clusterTime of another ClientSession
+     *
+     * @param clusterTime - the $clusterTime returned by the server from another session in the form of a document containing the `BSON.Timestamp` clusterTime and signature
+     */
+    advanceClusterTime(clusterTime: ClusterTime): void;
+    /**
+     * Used to determine if this session equals another
+     *
+     * @param session - The session to compare to
+     */
+    equals(session: ClientSession): boolean;
+    /**
+     * Increment the transaction number on the internal ServerSession
+     *
+     * @privateRemarks
+     * This helper increments a value stored on the client session that will be
+     * added to the serverSession's txnNumber upon applying it to a command.
+     * This is because the serverSession is lazily acquired after a connection is obtained
+     */
+    incrementTransactionNumber(): void;
+    /** @returns whether this session is currently in a transaction or not */
+    inTransaction(): boolean;
+    /**
+     * Starts a new transaction with the given options.
+     *
+     * @param options - Options for the transaction
+     */
+    startTransaction(options?: TransactionOptions): void;
+    /**
+     * Commits the currently active transaction in this session.
+     *
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    commitTransaction(): Promise<Document>;
+    commitTransaction(callback: Callback<Document>): void;
+    /**
+     * Aborts the currently active transaction in this session.
+     *
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    abortTransaction(): Promise<Document>;
+    abortTransaction(callback: Callback<Document>): void;
+    /**
+     * This is here to ensure that ClientSession is never serialized to BSON.
+     */
+    toBSON(): never;
+    /**
+     * Runs a provided callback within a transaction, retrying either the commitTransaction operation
+     * or entire transaction as needed (and when the error permits) to better ensure that
+     * the transaction can complete successfully.
+     *
+     * **IMPORTANT:** This method requires the user to return a Promise, and `await` all operations.
+     * Any callbacks that do not return a Promise will result in undefined behavior.
+     *
+     * @remarks
+     * This function:
+     * - Will return the command response from the final commitTransaction if every operation is successful (can be used as a truthy object)
+     * - Will return `undefined` if the transaction is explicitly aborted with `await session.abortTransaction()`
+     * - Will throw if one of the operations throws or `throw` statement is used inside the `withTransaction` callback
+     *
+     * Checkout a descriptive example here:
+     * @see https://www.mongodb.com/developer/quickstart/node-transactions/
+     *
+     * @param fn - callback to run within a transaction
+     * @param options - optional settings for the transaction
+     * @returns A raw command response or undefined
+     */
+    withTransaction<T = void>(fn: WithTransactionCallback<T>, options?: TransactionOptions): Promise<Document | undefined>;
+}
+
+/** @public */
+export declare type ClientSessionEvents = {
+    ended(session: ClientSession): void;
+};
+
+/** @public */
+export declare interface ClientSessionOptions {
+    /** Whether causal consistency should be enabled on this session */
+    causalConsistency?: boolean;
+    /** Whether all read operations should be read from the same snapshot for this session (NOTE: not compatible with `causalConsistency=true`) */
+    snapshot?: boolean;
+    /** The default TransactionOptions to use for transactions started on this session. */
+    defaultTransactionOptions?: TransactionOptions;
+    /* Excluded from this release type: owner */
+    /* Excluded from this release type: explicit */
+    /* Excluded from this release type: initialClusterTime */
+}
+
+/** @public */
+export declare interface CloseOptions {
+    force?: boolean;
+}
+
+/** @public
+ * Configuration options for clustered collections
+ * @see https://www.mongodb.com/docs/manual/core/clustered-collections/
+ */
+export declare interface ClusteredCollectionOptions extends Document {
+    name?: string;
+    key: Document;
+    unique: boolean;
+}
+
+/** @public */
+export declare interface ClusterTime {
+    clusterTime: Timestamp;
+    signature: {
+        hash: Binary;
+        keyId: Long;
+    };
+}
+
+export { Code }
+
+/** @public */
+export declare interface CollationOptions {
+    locale: string;
+    caseLevel?: boolean;
+    caseFirst?: string;
+    strength?: number;
+    numericOrdering?: boolean;
+    alternate?: string;
+    maxVariable?: string;
+    backwards?: boolean;
+    normalization?: boolean;
+}
+
+/**
+ * The **Collection** class is an internal class that embodies a MongoDB collection
+ * allowing for insert/update/remove/find and other command operation on that MongoDB collection.
+ *
+ * **COLLECTION Cannot directly be instantiated**
+ * @public
+ *
+ * @example
+ * ```js
+ * const MongoClient = require('mongodb').MongoClient;
+ * const test = require('assert');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, client) {
+ *   // Create a collection we want to drop later
+ *   const col = client.db(dbName).collection('createIndexExample1');
+ *   // Show that duplicate records got dropped
+ *   col.find({}).toArray(function(err, items) {
+ *     expect(err).to.not.exist;
+ *     test.equal(4, items.length);
+ *     client.close();
+ *   });
+ * });
+ * ```
+ */
+export declare class Collection<TSchema extends Document = Document> {
+    /* Excluded from this release type: s */
+    /* Excluded from this release type: __constructor */
+    /**
+     * The name of the database this collection belongs to
+     */
+    get dbName(): string;
+    /**
+     * The name of this collection
+     */
+    get collectionName(): string;
+    /**
+     * The namespace of this collection, in the format `${this.dbName}.${this.collectionName}`
+     */
+    get namespace(): string;
+    /**
+     * The current readConcern of the collection. If not explicitly defined for
+     * this collection, will be inherited from the parent DB
+     */
+    get readConcern(): ReadConcern | undefined;
+    /**
+     * The current readPreference of the collection. If not explicitly defined for
+     * this collection, will be inherited from the parent DB
+     */
+    get readPreference(): ReadPreference | undefined;
+    get bsonOptions(): BSONSerializeOptions;
+    /**
+     * The current writeConcern of the collection. If not explicitly defined for
+     * this collection, will be inherited from the parent DB
+     */
+    get writeConcern(): WriteConcern | undefined;
+    /** The current index hint for the collection */
+    get hint(): Hint | undefined;
+    set hint(v: Hint | undefined);
+    /**
+     * Inserts a single document into MongoDB. If documents passed in do not contain the **_id** field,
+     * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+     * can be overridden by setting the **forceServerObjectId** flag.
+     *
+     * @param doc - The document to insert
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    insertOne(doc: OptionalUnlessRequiredId<TSchema>): Promise<InsertOneResult<TSchema>>;
+    insertOne(doc: OptionalUnlessRequiredId<TSchema>, callback: Callback<InsertOneResult<TSchema>>): void;
+    insertOne(doc: OptionalUnlessRequiredId<TSchema>, options: InsertOneOptions): Promise<InsertOneResult<TSchema>>;
+    insertOne(doc: OptionalUnlessRequiredId<TSchema>, options: InsertOneOptions, callback: Callback<InsertOneResult<TSchema>>): void;
+    /**
+     * Inserts an array of documents into MongoDB. If documents passed in do not contain the **_id** field,
+     * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+     * can be overridden by setting the **forceServerObjectId** flag.
+     *
+     * @param docs - The documents to insert
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    insertMany(docs: OptionalUnlessRequiredId<TSchema>[]): Promise<InsertManyResult<TSchema>>;
+    insertMany(docs: OptionalUnlessRequiredId<TSchema>[], callback: Callback<InsertManyResult<TSchema>>): void;
+    insertMany(docs: OptionalUnlessRequiredId<TSchema>[], options: BulkWriteOptions): Promise<InsertManyResult<TSchema>>;
+    insertMany(docs: OptionalUnlessRequiredId<TSchema>[], options: BulkWriteOptions, callback: Callback<InsertManyResult<TSchema>>): void;
+    /**
+     * Perform a bulkWrite operation without a fluent API
+     *
+     * Legal operation types are
+     *
+     * ```js
+     *  { insertOne: { document: { a: 1 } } }
+     *
+     *  { updateOne: { filter: {a:2}, update: {$set: {a:2}}, upsert:true } }
+     *
+     *  { updateMany: { filter: {a:2}, update: {$set: {a:2}}, upsert:true } }
+     *
+     *  { updateMany: { filter: {}, update: {$set: {"a.$[i].x": 5}}, arrayFilters: [{ "i.x": 5 }]} }
+     *
+     *  { deleteOne: { filter: {c:1} } }
+     *
+     *  { deleteMany: { filter: {c:1} } }
+     *
+     *  { replaceOne: { filter: {c:3}, replacement: {c:4}, upsert:true} }
+     *```
+     * Please note that raw operations are no longer accepted as of driver version 4.0.
+     *
+     * If documents passed in do not contain the **_id** field,
+     * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+     * can be overridden by setting the **forceServerObjectId** flag.
+     *
+     * @param operations - Bulk operations to perform
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     * @throws MongoDriverError if operations is not an array
+     */
+    bulkWrite(operations: AnyBulkWriteOperation<TSchema>[]): Promise<BulkWriteResult>;
+    bulkWrite(operations: AnyBulkWriteOperation<TSchema>[], callback: Callback<BulkWriteResult>): void;
+    bulkWrite(operations: AnyBulkWriteOperation<TSchema>[], options: BulkWriteOptions): Promise<BulkWriteResult>;
+    bulkWrite(operations: AnyBulkWriteOperation<TSchema>[], options: BulkWriteOptions, callback: Callback<BulkWriteResult>): void;
+    /**
+     * Update a single document in a collection
+     *
+     * @param filter - The filter used to select the document to update
+     * @param update - The update operations to be applied to the document
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    updateOne(filter: Filter<TSchema>, update: UpdateFilter<TSchema> | Partial<TSchema>): Promise<UpdateResult>;
+    updateOne(filter: Filter<TSchema>, update: UpdateFilter<TSchema> | Partial<TSchema>, callback: Callback<UpdateResult>): void;
+    updateOne(filter: Filter<TSchema>, update: UpdateFilter<TSchema> | Partial<TSchema>, options: UpdateOptions): Promise<UpdateResult>;
+    updateOne(filter: Filter<TSchema>, update: UpdateFilter<TSchema> | Partial<TSchema>, options: UpdateOptions, callback: Callback<UpdateResult>): void;
+    /**
+     * Replace a document in a collection with another document
+     *
+     * @param filter - The filter used to select the document to replace
+     * @param replacement - The Document that replaces the matching document
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    replaceOne(filter: Filter<TSchema>, replacement: WithoutId<TSchema>): Promise<UpdateResult | Document>;
+    replaceOne(filter: Filter<TSchema>, replacement: WithoutId<TSchema>, callback: Callback<UpdateResult | Document>): void;
+    replaceOne(filter: Filter<TSchema>, replacement: WithoutId<TSchema>, options: ReplaceOptions): Promise<UpdateResult | Document>;
+    replaceOne(filter: Filter<TSchema>, replacement: WithoutId<TSchema>, options: ReplaceOptions, callback: Callback<UpdateResult | Document>): void;
+    /**
+     * Update multiple documents in a collection
+     *
+     * @param filter - The filter used to select the documents to update
+     * @param update - The update operations to be applied to the documents
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    updateMany(filter: Filter<TSchema>, update: UpdateFilter<TSchema>): Promise<UpdateResult | Document>;
+    updateMany(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, callback: Callback<UpdateResult | Document>): void;
+    updateMany(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, options: UpdateOptions): Promise<UpdateResult | Document>;
+    updateMany(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, options: UpdateOptions, callback: Callback<UpdateResult | Document>): void;
+    /**
+     * Delete a document from a collection
+     *
+     * @param filter - The filter used to select the document to remove
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    deleteOne(filter: Filter<TSchema>): Promise<DeleteResult>;
+    deleteOne(filter: Filter<TSchema>, callback: Callback<DeleteResult>): void;
+    deleteOne(filter: Filter<TSchema>, options: DeleteOptions): Promise<DeleteResult>;
+    deleteOne(filter: Filter<TSchema>, options: DeleteOptions, callback?: Callback<DeleteResult>): void;
+    /**
+     * Delete multiple documents from a collection
+     *
+     * @param filter - The filter used to select the documents to remove
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    deleteMany(filter: Filter<TSchema>): Promise<DeleteResult>;
+    deleteMany(filter: Filter<TSchema>, callback: Callback<DeleteResult>): void;
+    deleteMany(filter: Filter<TSchema>, options: DeleteOptions): Promise<DeleteResult>;
+    deleteMany(filter: Filter<TSchema>, options: DeleteOptions, callback: Callback<DeleteResult>): void;
+    /**
+     * Rename the collection.
+     *
+     * @remarks
+     * This operation does not inherit options from the Db or MongoClient.
+     *
+     * @param newName - New name of of the collection.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    rename(newName: string): Promise<Collection>;
+    rename(newName: string, callback: Callback<Collection>): void;
+    rename(newName: string, options: RenameOptions): Promise<Collection>;
+    rename(newName: string, options: RenameOptions, callback: Callback<Collection>): void;
+    /**
+     * Drop the collection from the database, removing it permanently. New accesses will create a new collection.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    drop(): Promise<boolean>;
+    drop(callback: Callback<boolean>): void;
+    drop(options: DropCollectionOptions): Promise<boolean>;
+    drop(options: DropCollectionOptions, callback: Callback<boolean>): void;
+    /**
+     * Fetches the first document that matches the filter
+     *
+     * @param filter - Query for find Operation
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    findOne(): Promise<WithId<TSchema> | null>;
+    findOne(callback: Callback<WithId<TSchema> | null>): void;
+    findOne(filter: Filter<TSchema>): Promise<WithId<TSchema> | null>;
+    findOne(filter: Filter<TSchema>, callback: Callback<WithId<TSchema> | null>): void;
+    findOne(filter: Filter<TSchema>, options: FindOptions): Promise<WithId<TSchema> | null>;
+    findOne(filter: Filter<TSchema>, options: FindOptions, callback: Callback<WithId<TSchema> | null>): void;
+    findOne<T = TSchema>(): Promise<T | null>;
+    findOne<T = TSchema>(callback: Callback<T | null>): void;
+    findOne<T = TSchema>(filter: Filter<TSchema>): Promise<T | null>;
+    findOne<T = TSchema>(filter: Filter<TSchema>, options?: FindOptions): Promise<T | null>;
+    findOne<T = TSchema>(filter: Filter<TSchema>, options?: FindOptions, callback?: Callback<T | null>): void;
+    /**
+     * Creates a cursor for a filter that can be used to iterate over results from MongoDB
+     *
+     * @param filter - The filter predicate. If unspecified, then all documents in the collection will match the predicate
+     */
+    find(): FindCursor<WithId<TSchema>>;
+    find(filter: Filter<TSchema>, options?: FindOptions): FindCursor<WithId<TSchema>>;
+    find<T extends Document>(filter: Filter<TSchema>, options?: FindOptions): FindCursor<T>;
+    /**
+     * Returns the options of the collection.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    options(): Promise<Document>;
+    options(callback: Callback<Document>): void;
+    options(options: OperationOptions): Promise<Document>;
+    options(options: OperationOptions, callback: Callback<Document>): void;
+    /**
+     * Returns if the collection is a capped collection
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    isCapped(): Promise<boolean>;
+    isCapped(callback: Callback<boolean>): void;
+    isCapped(options: OperationOptions): Promise<boolean>;
+    isCapped(options: OperationOptions, callback: Callback<boolean>): void;
+    /**
+     * Creates an index on the db and collection collection.
+     *
+     * @param indexSpec - The field name or index specification to create an index for
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     *
+     * @example
+     * ```js
+     * const collection = client.db('foo').collection('bar');
+     *
+     * await collection.createIndex({ a: 1, b: -1 });
+     *
+     * // Alternate syntax for { c: 1, d: -1 } that ensures order of indexes
+     * await collection.createIndex([ [c, 1], [d, -1] ]);
+     *
+     * // Equivalent to { e: 1 }
+     * await collection.createIndex('e');
+     *
+     * // Equivalent to { f: 1, g: 1 }
+     * await collection.createIndex(['f', 'g'])
+     *
+     * // Equivalent to { h: 1, i: -1 }
+     * await collection.createIndex([ { h: 1 }, { i: -1 } ]);
+     *
+     * // Equivalent to { j: 1, k: -1, l: 2d }
+     * await collection.createIndex(['j', ['k', -1], { l: '2d' }])
+     * ```
+     */
+    createIndex(indexSpec: IndexSpecification): Promise<string>;
+    createIndex(indexSpec: IndexSpecification, callback: Callback<string>): void;
+    createIndex(indexSpec: IndexSpecification, options: CreateIndexesOptions): Promise<string>;
+    createIndex(indexSpec: IndexSpecification, options: CreateIndexesOptions, callback: Callback<string>): void;
+    /**
+     * Creates multiple indexes in the collection, this method is only supported for
+     * MongoDB 2.6 or higher. Earlier version of MongoDB will throw a command not supported
+     * error.
+     *
+     * **Note**: Unlike {@link Collection#createIndex| createIndex}, this function takes in raw index specifications.
+     * Index specifications are defined {@link http://docs.mongodb.org/manual/reference/command/createIndexes/| here}.
+     *
+     * @param indexSpecs - An array of index specifications to be created
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     *
+     * @example
+     * ```js
+     * const collection = client.db('foo').collection('bar');
+     * await collection.createIndexes([
+     *   // Simple index on field fizz
+     *   {
+     *     key: { fizz: 1 },
+     *   }
+     *   // wildcard index
+     *   {
+     *     key: { '$**': 1 }
+     *   },
+     *   // named index on darmok and jalad
+     *   {
+     *     key: { darmok: 1, jalad: -1 }
+     *     name: 'tanagra'
+     *   }
+     * ]);
+     * ```
+     */
+    createIndexes(indexSpecs: IndexDescription[]): Promise<string[]>;
+    createIndexes(indexSpecs: IndexDescription[], callback: Callback<string[]>): void;
+    createIndexes(indexSpecs: IndexDescription[], options: CreateIndexesOptions): Promise<string[]>;
+    createIndexes(indexSpecs: IndexDescription[], options: CreateIndexesOptions, callback: Callback<string[]>): void;
+    /**
+     * Drops an index from this collection.
+     *
+     * @param indexName - Name of the index to drop.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    dropIndex(indexName: string): Promise<Document>;
+    dropIndex(indexName: string, callback: Callback<Document>): void;
+    dropIndex(indexName: string, options: DropIndexesOptions): Promise<Document>;
+    dropIndex(indexName: string, options: DropIndexesOptions, callback: Callback<Document>): void;
+    /**
+     * Drops all indexes from this collection.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    dropIndexes(): Promise<Document>;
+    dropIndexes(callback: Callback<Document>): void;
+    dropIndexes(options: DropIndexesOptions): Promise<Document>;
+    dropIndexes(options: DropIndexesOptions, callback: Callback<Document>): void;
+    /**
+     * Get the list of all indexes information for the collection.
+     *
+     * @param options - Optional settings for the command
+     */
+    listIndexes(options?: ListIndexesOptions): ListIndexesCursor;
+    /**
+     * Checks if one or more indexes exist on the collection, fails on first non-existing index
+     *
+     * @param indexes - One or more index names to check.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    indexExists(indexes: string | string[]): Promise<boolean>;
+    indexExists(indexes: string | string[], callback: Callback<boolean>): void;
+    indexExists(indexes: string | string[], options: IndexInformationOptions): Promise<boolean>;
+    indexExists(indexes: string | string[], options: IndexInformationOptions, callback: Callback<boolean>): void;
+    /**
+     * Retrieves this collections index info.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    indexInformation(): Promise<Document>;
+    indexInformation(callback: Callback<Document>): void;
+    indexInformation(options: IndexInformationOptions): Promise<Document>;
+    indexInformation(options: IndexInformationOptions, callback: Callback<Document>): void;
+    /**
+     * Gets an estimate of the count of documents in a collection using collection metadata.
+     * This will always run a count command on all server versions.
+     *
+     * due to an oversight in versions 5.0.0-5.0.8 of MongoDB, the count command,
+     * which estimatedDocumentCount uses in its implementation, was not included in v1 of
+     * the Stable API, and so users of the Stable API with estimatedDocumentCount are
+     * recommended to upgrade their server version to 5.0.9+ or set apiStrict: false to avoid
+     * encountering errors.
+     *
+     * @see {@link https://www.mongodb.com/docs/manual/reference/command/count/#behavior|Count: Behavior}
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    estimatedDocumentCount(): Promise<number>;
+    estimatedDocumentCount(callback: Callback<number>): void;
+    estimatedDocumentCount(options: EstimatedDocumentCountOptions): Promise<number>;
+    estimatedDocumentCount(options: EstimatedDocumentCountOptions, callback: Callback<number>): void;
+    /**
+     * Gets the number of documents matching the filter.
+     * For a fast count of the total documents in a collection see {@link Collection#estimatedDocumentCount| estimatedDocumentCount}.
+     * **Note**: When migrating from {@link Collection#count| count} to {@link Collection#countDocuments| countDocuments}
+     * the following query operators must be replaced:
+     *
+     * | Operator | Replacement |
+     * | -------- | ----------- |
+     * | `$where`   | [`$expr`][1] |
+     * | `$near`    | [`$geoWithin`][2] with [`$center`][3] |
+     * | `$nearSphere` | [`$geoWithin`][2] with [`$centerSphere`][4] |
+     *
+     * [1]: https://docs.mongodb.com/manual/reference/operator/query/expr/
+     * [2]: https://docs.mongodb.com/manual/reference/operator/query/geoWithin/
+     * [3]: https://docs.mongodb.com/manual/reference/operator/query/center/#op._S_center
+     * [4]: https://docs.mongodb.com/manual/reference/operator/query/centerSphere/#op._S_centerSphere
+     *
+     * @param filter - The filter for the count
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     *
+     * @see https://docs.mongodb.com/manual/reference/operator/query/expr/
+     * @see https://docs.mongodb.com/manual/reference/operator/query/geoWithin/
+     * @see https://docs.mongodb.com/manual/reference/operator/query/center/#op._S_center
+     * @see https://docs.mongodb.com/manual/reference/operator/query/centerSphere/#op._S_centerSphere
+     */
+    countDocuments(): Promise<number>;
+    countDocuments(callback: Callback<number>): void;
+    countDocuments(filter: Filter<TSchema>): Promise<number>;
+    countDocuments(callback: Callback<number>): void;
+    countDocuments(filter: Filter<TSchema>, options: CountDocumentsOptions): Promise<number>;
+    countDocuments(filter: Filter<TSchema>, options: CountDocumentsOptions, callback: Callback<number>): void;
+    countDocuments(filter: Filter<TSchema>, callback: Callback<number>): void;
+    /**
+     * The distinct command returns a list of distinct values for the given key across a collection.
+     *
+     * @param key - Field of the document to find distinct values for
+     * @param filter - The filter for filtering the set of documents to which we apply the distinct filter.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    distinct<Key extends keyof WithId<TSchema>>(key: Key): Promise<Array<Flatten<WithId<TSchema>[Key]>>>;
+    distinct<Key extends keyof WithId<TSchema>>(key: Key, callback: Callback<Array<Flatten<WithId<TSchema>[Key]>>>): void;
+    distinct<Key extends keyof WithId<TSchema>>(key: Key, filter: Filter<TSchema>): Promise<Array<Flatten<WithId<TSchema>[Key]>>>;
+    distinct<Key extends keyof WithId<TSchema>>(key: Key, filter: Filter<TSchema>, callback: Callback<Array<Flatten<WithId<TSchema>[Key]>>>): void;
+    distinct<Key extends keyof WithId<TSchema>>(key: Key, filter: Filter<TSchema>, options: DistinctOptions): Promise<Array<Flatten<WithId<TSchema>[Key]>>>;
+    distinct<Key extends keyof WithId<TSchema>>(key: Key, filter: Filter<TSchema>, options: DistinctOptions, callback: Callback<Array<Flatten<WithId<TSchema>[Key]>>>): void;
+    distinct(key: string): Promise<any[]>;
+    distinct(key: string, callback: Callback<any[]>): void;
+    distinct(key: string, filter: Filter<TSchema>): Promise<any[]>;
+    distinct(key: string, filter: Filter<TSchema>, callback: Callback<any[]>): void;
+    distinct(key: string, filter: Filter<TSchema>, options: DistinctOptions): Promise<any[]>;
+    distinct(key: string, filter: Filter<TSchema>, options: DistinctOptions, callback: Callback<any[]>): void;
+    /**
+     * Retrieve all the indexes on the collection.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    indexes(): Promise<Document[]>;
+    indexes(callback: Callback<Document[]>): void;
+    indexes(options: IndexInformationOptions): Promise<Document[]>;
+    indexes(options: IndexInformationOptions, callback: Callback<Document[]>): void;
+    /**
+     * Get all the collection statistics.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    stats(): Promise<CollStats>;
+    stats(callback: Callback<CollStats>): void;
+    stats(options: CollStatsOptions): Promise<CollStats>;
+    stats(options: CollStatsOptions, callback: Callback<CollStats>): void;
+    /**
+     * Find a document and delete it in one atomic operation. Requires a write lock for the duration of the operation.
+     *
+     * @param filter - The filter used to select the document to remove
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    findOneAndDelete(filter: Filter<TSchema>): Promise<ModifyResult<TSchema>>;
+    findOneAndDelete(filter: Filter<TSchema>, options: FindOneAndDeleteOptions): Promise<ModifyResult<TSchema>>;
+    findOneAndDelete(filter: Filter<TSchema>, callback: Callback<ModifyResult<TSchema>>): void;
+    findOneAndDelete(filter: Filter<TSchema>, options: FindOneAndDeleteOptions, callback: Callback<ModifyResult<TSchema>>): void;
+    /**
+     * Find a document and replace it in one atomic operation. Requires a write lock for the duration of the operation.
+     *
+     * @param filter - The filter used to select the document to replace
+     * @param replacement - The Document that replaces the matching document
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    findOneAndReplace(filter: Filter<TSchema>, replacement: WithoutId<TSchema>): Promise<ModifyResult<TSchema>>;
+    findOneAndReplace(filter: Filter<TSchema>, replacement: WithoutId<TSchema>, callback: Callback<ModifyResult<TSchema>>): void;
+    findOneAndReplace(filter: Filter<TSchema>, replacement: WithoutId<TSchema>, options: FindOneAndReplaceOptions): Promise<ModifyResult<TSchema>>;
+    findOneAndReplace(filter: Filter<TSchema>, replacement: WithoutId<TSchema>, options: FindOneAndReplaceOptions, callback: Callback<ModifyResult<TSchema>>): void;
+    /**
+     * Find a document and update it in one atomic operation. Requires a write lock for the duration of the operation.
+     *
+     * @param filter - The filter used to select the document to update
+     * @param update - Update operations to be performed on the document
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    findOneAndUpdate(filter: Filter<TSchema>, update: UpdateFilter<TSchema>): Promise<ModifyResult<TSchema>>;
+    findOneAndUpdate(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, callback: Callback<ModifyResult<TSchema>>): void;
+    findOneAndUpdate(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, options: FindOneAndUpdateOptions): Promise<ModifyResult<TSchema>>;
+    findOneAndUpdate(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, options: FindOneAndUpdateOptions, callback: Callback<ModifyResult<TSchema>>): void;
+    /**
+     * Execute an aggregation framework pipeline against the collection, needs MongoDB \>= 2.2
+     *
+     * @param pipeline - An array of aggregation pipelines to execute
+     * @param options - Optional settings for the command
+     */
+    aggregate<T extends Document = Document>(pipeline?: Document[], options?: AggregateOptions): AggregationCursor<T>;
+    /**
+     * Create a new Change Stream, watching for new changes (insertions, updates, replacements, deletions, and invalidations) in this collection.
+     *
+     * @remarks
+     * watch() accepts two generic arguments for distinct usecases:
+     * - The first is to override the schema that may be defined for this specific collection
+     * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+     * @example
+     * By just providing the first argument I can type the change to be `ChangeStreamDocument<{ _id: number }>`
+     * ```ts
+     * collection.watch<{ _id: number }>()
+     *   .on('change', change => console.log(change._id.toFixed(4)));
+     * ```
+     *
+     * @example
+     * Passing a second argument provides a way to reflect the type changes caused by an advanced pipeline.
+     * Here, we are using a pipeline to have MongoDB filter for insert changes only and add a comment.
+     * No need start from scratch on the ChangeStreamInsertDocument type!
+     * By using an intersection we can save time and ensure defaults remain the same type!
+     * ```ts
+     * collection
+     *   .watch<Schema, ChangeStreamInsertDocument<Schema> & { comment: string }>([
+     *     { $addFields: { comment: 'big changes' } },
+     *     { $match: { operationType: 'insert' } }
+     *   ])
+     *   .on('change', change => {
+     *     change.comment.startsWith('big');
+     *     change.operationType === 'insert';
+     *     // No need to narrow in code because the generics did that for us!
+     *     expectType<Schema>(change.fullDocument);
+     *   });
+     * ```
+     *
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+     * @param options - Optional settings for the command
+     * @typeParam TLocal - Type of the data being detected by the change stream
+     * @typeParam TChange - Type of the whole change stream document emitted
+     */
+    watch<TLocal extends Document = TSchema, TChange extends Document = ChangeStreamDocument<TLocal>>(pipeline?: Document[], options?: ChangeStreamOptions): ChangeStream<TLocal, TChange>;
+    /**
+     * Run Map Reduce across a collection. Be aware that the inline option for out will return an array of results not a collection.
+     *
+     * @deprecated collection.mapReduce is deprecated. Use the aggregation pipeline instead. Visit https://docs.mongodb.com/manual/reference/map-reduce-to-aggregation-pipeline for more information on how to translate map-reduce operations to the aggregation pipeline.
+     * @param map - The mapping function.
+     * @param reduce - The reduce function.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    mapReduce<TKey = any, TValue = any>(map: string | MapFunction<TSchema>, reduce: string | ReduceFunction<TKey, TValue>): Promise<Document | Document[]>;
+    mapReduce<TKey = any, TValue = any>(map: string | MapFunction<TSchema>, reduce: string | ReduceFunction<TKey, TValue>, callback: Callback<Document | Document[]>): void;
+    mapReduce<TKey = any, TValue = any>(map: string | MapFunction<TSchema>, reduce: string | ReduceFunction<TKey, TValue>, options: MapReduceOptions<TKey, TValue>): Promise<Document | Document[]>;
+    mapReduce<TKey = any, TValue = any>(map: string | MapFunction<TSchema>, reduce: string | ReduceFunction<TKey, TValue>, options: MapReduceOptions<TKey, TValue>, callback: Callback<Document | Document[]>): void;
+    /**
+     * Initiate an Out of order batch write operation. All operations will be buffered into insert/update/remove commands executed out of order.
+     *
+     * @throws MongoNotConnectedError
+     * @remarks
+     * **NOTE:** MongoClient must be connected prior to calling this method due to a known limitation in this legacy implemenation.
+     * However, `collection.bulkWrite()` provides an equivalent API that does not require prior connecting.
+     */
+    initializeUnorderedBulkOp(options?: BulkWriteOptions): UnorderedBulkOperation;
+    /**
+     * Initiate an In order bulk write operation. Operations will be serially executed in the order they are added, creating a new operation for each switch in types.
+     *
+     * @throws MongoNotConnectedError
+     * @remarks
+     * **NOTE:** MongoClient must be connected prior to calling this method due to a known limitation in this legacy implemenation.
+     * However, `collection.bulkWrite()` provides an equivalent API that does not require prior connecting.
+     */
+    initializeOrderedBulkOp(options?: BulkWriteOptions): OrderedBulkOperation;
+    /** Get the db scoped logger */
+    getLogger(): Logger;
+    get logger(): Logger;
+    /**
+     * Inserts a single document or a an array of documents into MongoDB. If documents passed in do not contain the **_id** field,
+     * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+     * can be overridden by setting the **forceServerObjectId** flag.
+     *
+     * @deprecated Use insertOne, insertMany or bulkWrite instead.
+     * @param docs - The documents to insert
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    insert(docs: OptionalUnlessRequiredId<TSchema>[], options: BulkWriteOptions, callback: Callback<InsertManyResult<TSchema>>): Promise<InsertManyResult<TSchema>> | void;
+    /**
+     * Updates documents.
+     *
+     * @deprecated use updateOne, updateMany or bulkWrite
+     * @param filter - The filter for the update operation.
+     * @param update - The update operations to be applied to the documents
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    update(filter: Filter<TSchema>, update: UpdateFilter<TSchema>, options: UpdateOptions, callback: Callback<Document>): Promise<UpdateResult> | void;
+    /**
+     * Remove documents.
+     *
+     * @deprecated use deleteOne, deleteMany or bulkWrite
+     * @param filter - The filter for the remove operation.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    remove(filter: Filter<TSchema>, options: DeleteOptions, callback: Callback): Promise<DeleteResult> | void;
+    /**
+     * An estimated count of matching documents in the db to a filter.
+     *
+     * **NOTE:** This method has been deprecated, since it does not provide an accurate count of the documents
+     * in a collection. To obtain an accurate count of documents in the collection, use {@link Collection#countDocuments| countDocuments}.
+     * To obtain an estimated count of all documents in the collection, use {@link Collection#estimatedDocumentCount| estimatedDocumentCount}.
+     *
+     * @deprecated use {@link Collection#countDocuments| countDocuments} or {@link Collection#estimatedDocumentCount| estimatedDocumentCount} instead
+     *
+     * @param filter - The filter for the count.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    count(): Promise<number>;
+    count(callback: Callback<number>): void;
+    count(filter: Filter<TSchema>): Promise<number>;
+    count(filter: Filter<TSchema>, callback: Callback<number>): void;
+    count(filter: Filter<TSchema>, options: CountOptions): Promise<number>;
+    count(filter: Filter<TSchema>, options: CountOptions, callback: Callback<number>): Promise<number> | void;
+}
+
+/** @public */
+export declare interface CollectionInfo extends Document {
+    name: string;
+    type?: string;
+    options?: Document;
+    info?: {
+        readOnly?: false;
+        uuid?: Binary;
+    };
+    idIndex?: Document;
+}
+
+/** @public */
+export declare interface CollectionOptions extends BSONSerializeOptions, WriteConcernOptions, LoggerOptions {
+    /**
+     * @deprecated Use readPreference instead
+     */
+    slaveOk?: boolean;
+    /** Specify a read concern for the collection. (only MongoDB 3.2 or higher supported) */
+    readConcern?: ReadConcernLike;
+    /** The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). */
+    readPreference?: ReadPreferenceLike;
+}
+
+/* Excluded from this release type: CollectionPrivate */
+
+/**
+ * @public
+ * @see https://docs.mongodb.org/manual/reference/command/collStats/
+ */
+export declare interface CollStats extends Document {
+    /** Namespace */
+    ns: string;
+    /** Number of documents */
+    count: number;
+    /** Collection size in bytes */
+    size: number;
+    /** Average object size in bytes */
+    avgObjSize: number;
+    /** (Pre)allocated space for the collection in bytes */
+    storageSize: number;
+    /** Number of extents (contiguously allocated chunks of datafile space) */
+    numExtents: number;
+    /** Number of indexes */
+    nindexes: number;
+    /** Size of the most recently created extent in bytes */
+    lastExtentSize: number;
+    /** Padding can speed up updates if documents grow */
+    paddingFactor: number;
+    /** A number that indicates the user-set flags on the collection. userFlags only appears when using the mmapv1 storage engine */
+    userFlags?: number;
+    /** Total index size in bytes */
+    totalIndexSize: number;
+    /** Size of specific indexes in bytes */
+    indexSizes: {
+        _id_: number;
+        [index: string]: number;
+    };
+    /** `true` if the collection is capped */
+    capped: boolean;
+    /** The maximum number of documents that may be present in a capped collection */
+    max: number;
+    /** The maximum size of a capped collection */
+    maxSize: number;
+    /** This document contains data reported directly by the WiredTiger engine and other data for internal diagnostic use */
+    wiredTiger?: WiredTigerData;
+    /** The fields in this document are the names of the indexes, while the values themselves are documents that contain statistics for the index provided by the storage engine */
+    indexDetails?: any;
+    ok: number;
+    /** The amount of storage available for reuse. The scale argument affects this value. */
+    freeStorageSize?: number;
+    /** An array that contains the names of the indexes that are currently being built on the collection */
+    indexBuilds?: number;
+    /** The sum of the storageSize and totalIndexSize. The scale argument affects this value */
+    totalSize: number;
+    /** The scale value used by the command. */
+    scaleFactor: number;
+}
+
+/** @public */
+export declare interface CollStatsOptions extends CommandOperationOptions {
+    /** Divide the returned sizes by scale value. */
+    scale?: number;
+}
+
+/**
+ * An event indicating the failure of a given command
+ * @public
+ * @category Event
+ */
+export declare class CommandFailedEvent {
+    address: string;
+    connectionId?: string | number;
+    requestId: number;
+    duration: number;
+    commandName: string;
+    failure: Error;
+    serviceId?: ObjectId;
+    /* Excluded from this release type: __constructor */
+    get hasServiceId(): boolean;
+}
+
+/* Excluded from this release type: CommandOperation */
+
+/** @public */
+export declare interface CommandOperationOptions extends OperationOptions, WriteConcernOptions, ExplainOptions {
+    /** @deprecated This option does nothing */
+    fullResponse?: boolean;
+    /** Specify a read concern and level for the collection. (only MongoDB 3.2 or higher supported) */
+    readConcern?: ReadConcernLike;
+    /** Collation */
+    collation?: CollationOptions;
+    maxTimeMS?: number;
+    /**
+     * Comment to apply to the operation.
+     *
+     * In server versions pre-4.4, 'comment' must be string.  A server
+     * error will be thrown if any other type is provided.
+     *
+     * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+     */
+    comment?: unknown;
+    /** Should retry failed writes */
+    retryWrites?: boolean;
+    dbName?: string;
+    authdb?: string;
+    noResponse?: boolean;
+}
+
+/* Excluded from this release type: CommandOptions */
+
+/**
+ * An event indicating the start of a given
+ * @public
+ * @category Event
+ */
+export declare class CommandStartedEvent {
+    commandObj?: Document;
+    requestId: number;
+    databaseName: string;
+    commandName: string;
+    command: Document;
+    address: string;
+    connectionId?: string | number;
+    serviceId?: ObjectId;
+    /* Excluded from this release type: __constructor */
+    get hasServiceId(): boolean;
+}
+
+/**
+ * An event indicating the success of a given command
+ * @public
+ * @category Event
+ */
+export declare class CommandSucceededEvent {
+    address: string;
+    connectionId?: string | number;
+    requestId: number;
+    duration: number;
+    commandName: string;
+    reply: unknown;
+    serviceId?: ObjectId;
+    /* Excluded from this release type: __constructor */
+    get hasServiceId(): boolean;
+}
+
+/** @public */
+export declare type CommonEvents = 'newListener' | 'removeListener';
+
+/** @public */
+export declare const Compressor: Readonly<{
+    readonly none: 0;
+    readonly snappy: 1;
+    readonly zlib: 2;
+    readonly zstd: 3;
+}>;
+
+/** @public */
+export declare type Compressor = typeof Compressor[CompressorName];
+
+/** @public */
+export declare type CompressorName = keyof typeof Compressor;
+
+/** @public */
+export declare type Condition<T> = AlternativeType<T> | FilterOperators<AlternativeType<T>>;
+
+/* Excluded from this release type: Connection */
+
+/**
+ * An event published when a connection is checked into the connection pool
+ * @public
+ * @category Event
+ */
+export declare class ConnectionCheckedInEvent extends ConnectionPoolMonitoringEvent {
+    /** The id of the connection */
+    connectionId: number | '<monitor>';
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a connection is checked out of the connection pool
+ * @public
+ * @category Event
+ */
+export declare class ConnectionCheckedOutEvent extends ConnectionPoolMonitoringEvent {
+    /** The id of the connection */
+    connectionId: number | '<monitor>';
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a request to check a connection out fails
+ * @public
+ * @category Event
+ */
+export declare class ConnectionCheckOutFailedEvent extends ConnectionPoolMonitoringEvent {
+    /** The reason the attempt to check out failed */
+    reason: AnyError | string;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a request to check a connection out begins
+ * @public
+ * @category Event
+ */
+export declare class ConnectionCheckOutStartedEvent extends ConnectionPoolMonitoringEvent {
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a connection is closed
+ * @public
+ * @category Event
+ */
+export declare class ConnectionClosedEvent extends ConnectionPoolMonitoringEvent {
+    /** The id of the connection */
+    connectionId: number | '<monitor>';
+    /** The reason the connection was closed */
+    reason: string;
+    serviceId?: ObjectId;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a connection pool creates a new connection
+ * @public
+ * @category Event
+ */
+export declare class ConnectionCreatedEvent extends ConnectionPoolMonitoringEvent {
+    /** A monotonically increasing, per-pool id for the newly created connection */
+    connectionId: number | '<monitor>';
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare type ConnectionEvents = {
+    commandStarted(event: CommandStartedEvent): void;
+    commandSucceeded(event: CommandSucceededEvent): void;
+    commandFailed(event: CommandFailedEvent): void;
+    clusterTimeReceived(clusterTime: Document): void;
+    close(): void;
+    message(message: any): void;
+    pinned(pinType: string): void;
+    unpinned(pinType: string): void;
+};
+
+/** @public */
+export declare interface ConnectionOptions extends SupportedNodeConnectionOptions, StreamDescriptionOptions, ProxyOptions {
+    id: number | '<monitor>';
+    generation: number;
+    hostAddress: HostAddress;
+    autoEncrypter?: AutoEncrypter;
+    serverApi?: ServerApi;
+    monitorCommands: boolean;
+    /* Excluded from this release type: connectionType */
+    credentials?: MongoCredentials;
+    connectTimeoutMS?: number;
+    tls: boolean;
+    keepAlive?: boolean;
+    keepAliveInitialDelay?: number;
+    noDelay?: boolean;
+    socketTimeoutMS?: number;
+    cancellationToken?: CancellationToken;
+    metadata: ClientMetadata;
+}
+
+/* Excluded from this release type: ConnectionPool */
+
+/**
+ * An event published when a connection pool is cleared
+ * @public
+ * @category Event
+ */
+export declare class ConnectionPoolClearedEvent extends ConnectionPoolMonitoringEvent {
+    /* Excluded from this release type: serviceId */
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a connection pool is closed
+ * @public
+ * @category Event
+ */
+export declare class ConnectionPoolClosedEvent extends ConnectionPoolMonitoringEvent {
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * An event published when a connection pool is created
+ * @public
+ * @category Event
+ */
+export declare class ConnectionPoolCreatedEvent extends ConnectionPoolMonitoringEvent {
+    /** The options used to create this connection pool */
+    options?: ConnectionPoolOptions;
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare type ConnectionPoolEvents = {
+    connectionPoolCreated(event: ConnectionPoolCreatedEvent): void;
+    connectionPoolClosed(event: ConnectionPoolClosedEvent): void;
+    connectionPoolCleared(event: ConnectionPoolClearedEvent): void;
+    connectionCreated(event: ConnectionCreatedEvent): void;
+    connectionReady(event: ConnectionReadyEvent): void;
+    connectionClosed(event: ConnectionClosedEvent): void;
+    connectionCheckOutStarted(event: ConnectionCheckOutStartedEvent): void;
+    connectionCheckOutFailed(event: ConnectionCheckOutFailedEvent): void;
+    connectionCheckedOut(event: ConnectionCheckedOutEvent): void;
+    connectionCheckedIn(event: ConnectionCheckedInEvent): void;
+} & Omit<ConnectionEvents, 'close' | 'message'>;
+
+/* Excluded from this release type: ConnectionPoolMetrics */
+
+/**
+ * The base export class for all monitoring events published from the connection pool
+ * @public
+ * @category Event
+ */
+export declare class ConnectionPoolMonitoringEvent {
+    /** A timestamp when the event was created  */
+    time: Date;
+    /** The address (host/port pair) of the pool */
+    address: string;
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare interface ConnectionPoolOptions extends Omit<ConnectionOptions, 'id' | 'generation'> {
+    /** The maximum number of connections that may be associated with a pool at a given time. This includes in use and available connections. */
+    maxPoolSize: number;
+    /** The minimum number of connections that MUST exist at any moment in a single connection pool. */
+    minPoolSize: number;
+    /** The maximum number of connections that may be in the process of being established concurrently by the connection pool. */
+    maxConnecting: number;
+    /** The maximum amount of time a connection should remain idle in the connection pool before being marked idle. */
+    maxIdleTimeMS: number;
+    /** The maximum amount of time operation execution should wait for a connection to become available. The default is 0 which means there is no limit. */
+    waitQueueTimeoutMS: number;
+    /** If we are in load balancer mode. */
+    loadBalanced: boolean;
+}
+
+/**
+ * An event published when a connection is ready for use
+ * @public
+ * @category Event
+ */
+export declare class ConnectionReadyEvent extends ConnectionPoolMonitoringEvent {
+    /** The id of the connection */
+    connectionId: number | '<monitor>';
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare interface ConnectOptions {
+    readPreference?: ReadPreference;
+}
+
+/** @public */
+export declare interface CountDocumentsOptions extends AggregateOptions {
+    /** The number of documents to skip. */
+    skip?: number;
+    /** The maximum amounts to count before aborting. */
+    limit?: number;
+}
+
+/** @public */
+export declare interface CountOptions extends CommandOperationOptions {
+    /** The number of documents to skip. */
+    skip?: number;
+    /** The maximum amounts to count before aborting. */
+    limit?: number;
+    /** Number of milliseconds to wait before aborting the query. */
+    maxTimeMS?: number;
+    /** An index name hint for the query. */
+    hint?: string | Document;
+}
+
+/** @public */
+export declare interface CreateCollectionOptions extends CommandOperationOptions {
+    /** Returns an error if the collection does not exist */
+    strict?: boolean;
+    /** Create a capped collection */
+    capped?: boolean;
+    /** @deprecated Create an index on the _id field of the document, True by default on MongoDB 2.6 - 3.0 */
+    autoIndexId?: boolean;
+    /** The size of the capped collection in bytes */
+    size?: number;
+    /** The maximum number of documents in the capped collection */
+    max?: number;
+    /** Available for the MMAPv1 storage engine only to set the usePowerOf2Sizes and the noPadding flag */
+    flags?: number;
+    /** Allows users to specify configuration to the storage engine on a per-collection basis when creating a collection on MongoDB 3.0 or higher */
+    storageEngine?: Document;
+    /** Allows users to specify validation rules or expressions for the collection. For more information, see Document Validation on MongoDB 3.2 or higher */
+    validator?: Document;
+    /** Determines how strictly MongoDB applies the validation rules to existing documents during an update on MongoDB 3.2 or higher */
+    validationLevel?: string;
+    /** Determines whether to error on invalid documents or just warn about the violations but allow invalid documents to be inserted on MongoDB 3.2 or higher */
+    validationAction?: string;
+    /** Allows users to specify a default configuration for indexes when creating a collection on MongoDB 3.2 or higher */
+    indexOptionDefaults?: Document;
+    /** The name of the source collection or view from which to create the view. The name is not the full namespace of the collection or view; i.e. does not include the database name and implies the same database as the view to create on MongoDB 3.4 or higher */
+    viewOn?: string;
+    /** An array that consists of the aggregation pipeline stage. Creates the view by applying the specified pipeline to the viewOn collection or view on MongoDB 3.4 or higher */
+    pipeline?: Document[];
+    /** A primary key factory function for generation of custom _id keys. */
+    pkFactory?: PkFactory;
+    /** A document specifying configuration options for timeseries collections. */
+    timeseries?: TimeSeriesCollectionOptions;
+    /** A document specifying configuration options for clustered collections. For MongoDB 5.3 and above. */
+    clusteredIndex?: ClusteredCollectionOptions;
+    /** The number of seconds after which a document in a timeseries or clustered collection expires. */
+    expireAfterSeconds?: number;
+    /** @experimental */
+    encryptedFields?: Document;
+    /**
+     * If set, enables pre-update and post-update document events to be included for any
+     * change streams that listen on this collection.
+     */
+    changeStreamPreAndPostImages?: {
+        enabled: boolean;
+    };
+}
+
+/** @public */
+export declare interface CreateIndexesOptions extends CommandOperationOptions {
+    /** Creates the index in the background, yielding whenever possible. */
+    background?: boolean;
+    /** Creates an unique index. */
+    unique?: boolean;
+    /** Override the autogenerated index name (useful if the resulting name is larger than 128 bytes) */
+    name?: string;
+    /** Creates a partial index based on the given filter object (MongoDB 3.2 or higher) */
+    partialFilterExpression?: Document;
+    /** Creates a sparse index. */
+    sparse?: boolean;
+    /** Allows you to expire data on indexes applied to a data (MongoDB 2.2 or higher) */
+    expireAfterSeconds?: number;
+    /** Allows users to configure the storage engine on a per-index basis when creating an index. (MongoDB 3.0 or higher) */
+    storageEngine?: Document;
+    /** (MongoDB 4.4. or higher) Specifies how many data-bearing members of a replica set, including the primary, must complete the index builds successfully before the primary marks the indexes as ready. This option accepts the same values for the "w" field in a write concern plus "votingMembers", which indicates all voting data-bearing nodes. */
+    commitQuorum?: number | string;
+    /** Specifies the index version number, either 0 or 1. */
+    version?: number;
+    weights?: Document;
+    default_language?: string;
+    language_override?: string;
+    textIndexVersion?: number;
+    '2dsphereIndexVersion'?: number;
+    bits?: number;
+    /** For geospatial indexes set the lower bound for the co-ordinates. */
+    min?: number;
+    /** For geospatial indexes set the high bound for the co-ordinates. */
+    max?: number;
+    bucketSize?: number;
+    wildcardProjection?: Document;
+    /** Specifies that the index should exist on the target collection but should not be used by the query planner when executing operations. (MongoDB 4.4 or higher) */
+    hidden?: boolean;
+}
+
+/** @public */
+export declare const CURSOR_FLAGS: readonly ["tailable", "oplogReplay", "noCursorTimeout", "awaitData", "exhaust", "partial"];
+
+/** @public
+ * @deprecated This interface is deprecated */
+export declare interface CursorCloseOptions {
+    /** Bypass calling killCursors when closing the cursor. */
+    /** @deprecated  the skipKillCursors option is deprecated */
+    skipKillCursors?: boolean;
+}
+
+/** @public */
+export declare type CursorFlag = typeof CURSOR_FLAGS[number];
+
+/** @public */
+export declare interface CursorStreamOptions {
+    /** A transformation method applied to each document emitted by the stream */
+    transform?(this: void, doc: Document): Document;
+}
+
+/**
+ * The **Db** class is a class that represents a MongoDB Database.
+ * @public
+ *
+ * @example
+ * ```js
+ * const { MongoClient } = require('mongodb');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, client) {
+ *   // Select the database by name
+ *   const testDb = client.db(dbName);
+ *   client.close();
+ * });
+ * ```
+ */
+export declare class Db {
+    /* Excluded from this release type: s */
+    static SYSTEM_NAMESPACE_COLLECTION: string;
+    static SYSTEM_INDEX_COLLECTION: string;
+    static SYSTEM_PROFILE_COLLECTION: string;
+    static SYSTEM_USER_COLLECTION: string;
+    static SYSTEM_COMMAND_COLLECTION: string;
+    static SYSTEM_JS_COLLECTION: string;
+    /**
+     * Creates a new Db instance
+     *
+     * @param client - The MongoClient for the database.
+     * @param databaseName - The name of the database this instance represents.
+     * @param options - Optional settings for Db construction
+     */
+    constructor(client: MongoClient, databaseName: string, options?: DbOptions);
+    get databaseName(): string;
+    get options(): DbOptions | undefined;
+    /**
+     * slaveOk specified
+     * @deprecated Use secondaryOk instead
+     */
+    get slaveOk(): boolean;
+    /**
+     * Check if a secondary can be used (because the read preference is *not* set to primary)
+     */
+    get secondaryOk(): boolean;
+    get readConcern(): ReadConcern | undefined;
+    /**
+     * The current readPreference of the Db. If not explicitly defined for
+     * this Db, will be inherited from the parent MongoClient
+     */
+    get readPreference(): ReadPreference;
+    get bsonOptions(): BSONSerializeOptions;
+    get writeConcern(): WriteConcern | undefined;
+    get namespace(): string;
+    /**
+     * Create a new collection on a server with the specified options. Use this to create capped collections.
+     * More information about command options available at https://docs.mongodb.com/manual/reference/command/create/
+     *
+     * @param name - The name of the collection to create
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    createCollection<TSchema extends Document = Document>(name: string, options?: CreateCollectionOptions): Promise<Collection<TSchema>>;
+    createCollection<TSchema extends Document = Document>(name: string, callback: Callback<Collection<TSchema>>): void;
+    createCollection<TSchema extends Document = Document>(name: string, options: CreateCollectionOptions | undefined, callback: Callback<Collection<TSchema>>): void;
+    /**
+     * Execute a command
+     *
+     * @remarks
+     * This command does not inherit options from the MongoClient.
+     *
+     * @param command - The command to run
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    command(command: Document): Promise<Document>;
+    command(command: Document, callback: Callback<Document>): void;
+    command(command: Document, options: RunCommandOptions): Promise<Document>;
+    command(command: Document, options: RunCommandOptions, callback: Callback<Document>): void;
+    /**
+     * Execute an aggregation framework pipeline against the database, needs MongoDB \>= 3.6
+     *
+     * @param pipeline - An array of aggregation stages to be executed
+     * @param options - Optional settings for the command
+     */
+    aggregate<T extends Document = Document>(pipeline?: Document[], options?: AggregateOptions): AggregationCursor<T>;
+    /** Return the Admin db instance */
+    admin(): Admin;
+    /**
+     * Returns a reference to a MongoDB Collection. If it does not exist it will be created implicitly.
+     *
+     * @param name - the collection name we wish to access.
+     * @returns return the new Collection instance
+     */
+    collection<TSchema extends Document = Document>(name: string, options?: CollectionOptions): Collection<TSchema>;
+    /**
+     * Get all the db statistics.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    stats(): Promise<Document>;
+    stats(callback: Callback<Document>): void;
+    stats(options: DbStatsOptions): Promise<Document>;
+    stats(options: DbStatsOptions, callback: Callback<Document>): void;
+    /**
+     * List all collections of this database with optional filter
+     *
+     * @param filter - Query to filter collections by
+     * @param options - Optional settings for the command
+     */
+    listCollections(filter: Document, options: Exclude<ListCollectionsOptions, 'nameOnly'> & {
+        nameOnly: true;
+    }): ListCollectionsCursor<Pick<CollectionInfo, 'name' | 'type'>>;
+    listCollections(filter: Document, options: Exclude<ListCollectionsOptions, 'nameOnly'> & {
+        nameOnly: false;
+    }): ListCollectionsCursor<CollectionInfo>;
+    listCollections<T extends Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo = Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo>(filter?: Document, options?: ListCollectionsOptions): ListCollectionsCursor<T>;
+    /**
+     * Rename a collection.
+     *
+     * @remarks
+     * This operation does not inherit options from the MongoClient.
+     *
+     * @param fromCollection - Name of current collection to rename
+     * @param toCollection - New name of of the collection
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    renameCollection<TSchema extends Document = Document>(fromCollection: string, toCollection: string): Promise<Collection<TSchema>>;
+    renameCollection<TSchema extends Document = Document>(fromCollection: string, toCollection: string, callback: Callback<Collection<TSchema>>): void;
+    renameCollection<TSchema extends Document = Document>(fromCollection: string, toCollection: string, options: RenameOptions): Promise<Collection<TSchema>>;
+    renameCollection<TSchema extends Document = Document>(fromCollection: string, toCollection: string, options: RenameOptions, callback: Callback<Collection<TSchema>>): void;
+    /**
+     * Drop a collection from the database, removing it permanently. New accesses will create a new collection.
+     *
+     * @param name - Name of collection to drop
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    dropCollection(name: string): Promise<boolean>;
+    dropCollection(name: string, callback: Callback<boolean>): void;
+    dropCollection(name: string, options: DropCollectionOptions): Promise<boolean>;
+    dropCollection(name: string, options: DropCollectionOptions, callback: Callback<boolean>): void;
+    /**
+     * Drop a database, removing it permanently from the server.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    dropDatabase(): Promise<boolean>;
+    dropDatabase(callback: Callback<boolean>): void;
+    dropDatabase(options: DropDatabaseOptions): Promise<boolean>;
+    dropDatabase(options: DropDatabaseOptions, callback: Callback<boolean>): void;
+    /**
+     * Fetch all collections for the current db.
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    collections(): Promise<Collection[]>;
+    collections(callback: Callback<Collection[]>): void;
+    collections(options: ListCollectionsOptions): Promise<Collection[]>;
+    collections(options: ListCollectionsOptions, callback: Callback<Collection[]>): void;
+    /**
+     * Creates an index on the db and collection.
+     *
+     * @param name - Name of the collection to create the index on.
+     * @param indexSpec - Specify the field to index, or an index specification
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    createIndex(name: string, indexSpec: IndexSpecification): Promise<string>;
+    createIndex(name: string, indexSpec: IndexSpecification, callback?: Callback<string>): void;
+    createIndex(name: string, indexSpec: IndexSpecification, options: CreateIndexesOptions): Promise<string>;
+    createIndex(name: string, indexSpec: IndexSpecification, options: CreateIndexesOptions, callback: Callback<string>): void;
+    /**
+     * Add a user to the database
+     *
+     * @param username - The username for the new user
+     * @param password - An optional password for the new user
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    addUser(username: string): Promise<Document>;
+    addUser(username: string, callback: Callback<Document>): void;
+    addUser(username: string, password: string): Promise<Document>;
+    addUser(username: string, password: string, callback: Callback<Document>): void;
+    addUser(username: string, options: AddUserOptions): Promise<Document>;
+    addUser(username: string, options: AddUserOptions, callback: Callback<Document>): void;
+    addUser(username: string, password: string, options: AddUserOptions): Promise<Document>;
+    addUser(username: string, password: string, options: AddUserOptions, callback: Callback<Document>): void;
+    /**
+     * Remove a user from a database
+     *
+     * @param username - The username to remove
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    removeUser(username: string): Promise<boolean>;
+    removeUser(username: string, callback: Callback<boolean>): void;
+    removeUser(username: string, options: RemoveUserOptions): Promise<boolean>;
+    removeUser(username: string, options: RemoveUserOptions, callback: Callback<boolean>): void;
+    /**
+     * Set the current profiling level of MongoDB
+     *
+     * @param level - The new profiling level (off, slow_only, all).
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    setProfilingLevel(level: ProfilingLevel): Promise<ProfilingLevel>;
+    setProfilingLevel(level: ProfilingLevel, callback: Callback<ProfilingLevel>): void;
+    setProfilingLevel(level: ProfilingLevel, options: SetProfilingLevelOptions): Promise<ProfilingLevel>;
+    setProfilingLevel(level: ProfilingLevel, options: SetProfilingLevelOptions, callback: Callback<ProfilingLevel>): void;
+    /**
+     * Retrieve the current profiling Level for MongoDB
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    profilingLevel(): Promise<string>;
+    profilingLevel(callback: Callback<string>): void;
+    profilingLevel(options: ProfilingLevelOptions): Promise<string>;
+    profilingLevel(options: ProfilingLevelOptions, callback: Callback<string>): void;
+    /**
+     * Retrieves this collections index info.
+     *
+     * @param name - The name of the collection.
+     * @param options - Optional settings for the command
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    indexInformation(name: string): Promise<Document>;
+    indexInformation(name: string, callback: Callback<Document>): void;
+    indexInformation(name: string, options: IndexInformationOptions): Promise<Document>;
+    indexInformation(name: string, options: IndexInformationOptions, callback: Callback<Document>): void;
+    /**
+     * Unref all sockets
+     * @deprecated This function is deprecated and will be removed in the next major version.
+     */
+    unref(): void;
+    /**
+     * Create a new Change Stream, watching for new changes (insertions, updates,
+     * replacements, deletions, and invalidations) in this database. Will ignore all
+     * changes to system collections.
+     *
+     * @remarks
+     * watch() accepts two generic arguments for distinct usecases:
+     * - The first is to provide the schema that may be defined for all the collections within this database
+     * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+     *
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+     * @param options - Optional settings for the command
+     * @typeParam TSchema - Type of the data being detected by the change stream
+     * @typeParam TChange - Type of the whole change stream document emitted
+     */
+    watch<TSchema extends Document = Document, TChange extends Document = ChangeStreamDocument<TSchema>>(pipeline?: Document[], options?: ChangeStreamOptions): ChangeStream<TSchema, TChange>;
+    /** Return the db logger */
+    getLogger(): Logger;
+    get logger(): Logger;
+}
+
+/* Excluded from this release type: DB_AGGREGATE_COLLECTION */
+
+/** @public */
+export declare interface DbOptions extends BSONSerializeOptions, WriteConcernOptions, LoggerOptions {
+    /** If the database authentication is dependent on another databaseName. */
+    authSource?: string;
+    /** Force server to assign _id values instead of driver. */
+    forceServerObjectId?: boolean;
+    /** The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). */
+    readPreference?: ReadPreferenceLike;
+    /** A primary key factory object for generation of custom _id keys. */
+    pkFactory?: PkFactory;
+    /** Specify a read concern for the collection. (only MongoDB 3.2 or higher supported) */
+    readConcern?: ReadConcern;
+    /** Should retry failed writes */
+    retryWrites?: boolean;
+}
+
+/* Excluded from this release type: DbPrivate */
+export { DBRef }
+
+/** @public */
+export declare interface DbStatsOptions extends CommandOperationOptions {
+    /** Divide the returned sizes by scale value. */
+    scale?: number;
+}
+
+export { Decimal128 }
+
+/** @public */
+export declare interface DeleteManyModel<TSchema extends Document = Document> {
+    /** The filter to limit the deleted documents. */
+    filter: Filter<TSchema>;
+    /** Specifies a collation. */
+    collation?: CollationOptions;
+    /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+    hint?: Hint;
+}
+
+/** @public */
+export declare interface DeleteOneModel<TSchema extends Document = Document> {
+    /** The filter to limit the deleted documents. */
+    filter: Filter<TSchema>;
+    /** Specifies a collation. */
+    collation?: CollationOptions;
+    /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+    hint?: Hint;
+}
+
+/** @public */
+export declare interface DeleteOptions extends CommandOperationOptions, WriteConcernOptions {
+    /** If true, when an insert fails, don't execute the remaining writes. If false, continue with remaining inserts when one fails. */
+    ordered?: boolean;
+    /** Specifies the collation to use for the operation */
+    collation?: CollationOptions;
+    /** Specify that the update query should only consider plans using the hinted index */
+    hint?: string | Document;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+    /** @deprecated use `removeOne` or `removeMany` to implicitly specify the limit */
+    single?: boolean;
+}
+
+/** @public */
+export declare interface DeleteResult {
+    /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined. */
+    acknowledged: boolean;
+    /** The number of documents that were deleted */
+    deletedCount: number;
+}
+
+/** @public */
+export declare interface DeleteStatement {
+    /** The query that matches documents to delete. */
+    q: Document;
+    /** The number of matching documents to delete. */
+    limit: number;
+    /** Specifies the collation to use for the operation. */
+    collation?: CollationOptions;
+    /** A document or string that specifies the index to use to support the query predicate. */
+    hint?: Hint;
+}
+
+/* Excluded from this release type: deserialize */
+
+/** @public */
+export declare interface DestroyOptions {
+    /** Force the destruction. */
+    force?: boolean;
+}
+
+/** @public */
+export declare type DistinctOptions = CommandOperationOptions;
+
+export { Document }
+
+export { Double }
+
+/** @public */
+export declare interface DriverInfo {
+    name?: string;
+    version?: string;
+    platform?: string;
+}
+
+/** @public */
+export declare interface DropCollectionOptions extends CommandOperationOptions {
+    /** @experimental */
+    encryptedFields?: Document;
+}
+
+/** @public */
+export declare type DropDatabaseOptions = CommandOperationOptions;
+
+/** @public */
+export declare type DropIndexesOptions = CommandOperationOptions;
+
+/* Excluded from this release type: Encrypter */
+
+/* Excluded from this release type: EncrypterOptions */
+
+/** @public */
+export declare interface EndSessionOptions {
+    /* Excluded from this release type: error */
+    force?: boolean;
+    forceClear?: boolean;
+}
+
+/** TypeScript Omit (Exclude to be specific) does not work for objects with an "any" indexed type, and breaks discriminated unions @public */
+export declare type EnhancedOmit<TRecordOrUnion, KeyUnion> = string extends keyof TRecordOrUnion ? TRecordOrUnion : TRecordOrUnion extends any ? Pick<TRecordOrUnion, Exclude<keyof TRecordOrUnion, KeyUnion>> : never;
+
+/** @public */
+export declare interface ErrorDescription extends Document {
+    message?: string;
+    errmsg?: string;
+    $err?: string;
+    errorLabels?: string[];
+    errInfo?: Document;
+}
+
+/** @public */
+export declare interface EstimatedDocumentCountOptions extends CommandOperationOptions {
+    /**
+     * The maximum amount of time to allow the operation to run.
+     *
+     * This option is sent only if the caller explicitly provides a value. The default is to not send a value.
+     */
+    maxTimeMS?: number;
+}
+
+/** @public */
+export declare interface EvalOptions extends CommandOperationOptions {
+    nolock?: boolean;
+}
+
+/** @public */
+export declare type EventEmitterWithState = {
+    /* Excluded from this release type: stateChanged */
+};
+
+/**
+ * Event description type
+ * @public
+ */
+export declare type EventsDescription = Record<string, GenericListener>;
+
+/* Excluded from this release type: ExecutionResult */
+
+/* Excluded from this release type: Explain */
+
+/** @public */
+export declare interface ExplainOptions {
+    /** Specifies the verbosity mode for the explain output. */
+    explain?: ExplainVerbosityLike;
+}
+
+/** @public */
+export declare const ExplainVerbosity: Readonly<{
+    readonly queryPlanner: "queryPlanner";
+    readonly queryPlannerExtended: "queryPlannerExtended";
+    readonly executionStats: "executionStats";
+    readonly allPlansExecution: "allPlansExecution";
+}>;
+
+/** @public */
+export declare type ExplainVerbosity = string;
+
+/**
+ * For backwards compatibility, true is interpreted as "allPlansExecution"
+ * and false as "queryPlanner". Prior to server version 3.6, aggregate()
+ * ignores the verbosity parameter and executes in "queryPlanner".
+ * @public
+ */
+export declare type ExplainVerbosityLike = ExplainVerbosity | boolean;
+
+/** A MongoDB filter can be some portion of the schema or a set of operators @public */
+export declare type Filter<TSchema> = Partial<TSchema> | ({
+    [Property in Join<NestedPaths<WithId<TSchema>>, '.'>]?: Condition<PropertyType<WithId<TSchema>, Property>>;
+} & RootFilterOperators<WithId<TSchema>>);
+
+/** @public */
+export declare type FilterOperations<T> = T extends Record<string, any> ? {
+    [key in keyof T]?: FilterOperators<T[key]>;
+} : FilterOperators<T>;
+
+/** @public */
+export declare interface FilterOperators<TValue> extends NonObjectIdLikeDocument {
+    $eq?: TValue;
+    $gt?: TValue;
+    $gte?: TValue;
+    $in?: ReadonlyArray<TValue>;
+    $lt?: TValue;
+    $lte?: TValue;
+    $ne?: TValue;
+    $nin?: ReadonlyArray<TValue>;
+    $not?: TValue extends string ? FilterOperators<TValue> | RegExp : FilterOperators<TValue>;
+    /**
+     * When `true`, `$exists` matches the documents that contain the field,
+     * including documents where the field value is null.
+     */
+    $exists?: boolean;
+    $type?: BSONType | BSONTypeAlias;
+    $expr?: Record<string, any>;
+    $jsonSchema?: Record<string, any>;
+    $mod?: TValue extends number ? [number, number] : never;
+    $regex?: TValue extends string ? RegExp | BSONRegExp | string : never;
+    $options?: TValue extends string ? string : never;
+    $geoIntersects?: {
+        $geometry: Document;
+    };
+    $geoWithin?: Document;
+    $near?: Document;
+    $nearSphere?: Document;
+    $maxDistance?: number;
+    $all?: ReadonlyArray<any>;
+    $elemMatch?: Document;
+    $size?: TValue extends ReadonlyArray<any> ? number : never;
+    $bitsAllClear?: BitwiseFilter;
+    $bitsAllSet?: BitwiseFilter;
+    $bitsAnyClear?: BitwiseFilter;
+    $bitsAnySet?: BitwiseFilter;
+    $rand?: Record<string, never>;
+}
+
+/** @public */
+export declare type FinalizeFunction<TKey = ObjectId, TValue = Document> = (key: TKey, reducedValue: TValue) => TValue;
+
+/** @public */
+export declare class FindCursor<TSchema = any> extends AbstractCursor<TSchema> {
+    /* Excluded from this release type: [kFilter] */
+    /* Excluded from this release type: [kNumReturned] */
+    /* Excluded from this release type: [kBuiltOptions] */
+    /* Excluded from this release type: __constructor */
+    clone(): FindCursor<TSchema>;
+    map<T>(transform: (doc: TSchema) => T): FindCursor<T>;
+    /* Excluded from this release type: _initialize */
+    /* Excluded from this release type: _getMore */
+    /**
+     * Get the count of documents for this cursor
+     * @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead
+     */
+    count(): Promise<number>;
+    /** @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead */
+    count(callback: Callback<number>): void;
+    /** @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead */
+    count(options: CountOptions): Promise<number>;
+    /** @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead */
+    count(options: CountOptions, callback: Callback<number>): void;
+    /** Execute the explain for the cursor */
+    explain(): Promise<Document>;
+    explain(callback: Callback): void;
+    explain(verbosity?: ExplainVerbosityLike): Promise<Document>;
+    /** Set the cursor query */
+    filter(filter: Document): this;
+    /**
+     * Set the cursor hint
+     *
+     * @param hint - If specified, then the query system will only consider plans using the hinted index.
+     */
+    hint(hint: Hint): this;
+    /**
+     * Set the cursor min
+     *
+     * @param min - Specify a $min value to specify the inclusive lower bound for a specific index in order to constrain the results of find(). The $min specifies the lower bound for all keys of a specific index in order.
+     */
+    min(min: Document): this;
+    /**
+     * Set the cursor max
+     *
+     * @param max - Specify a $max value to specify the exclusive upper bound for a specific index in order to constrain the results of find(). The $max specifies the upper bound for all keys of a specific index in order.
+     */
+    max(max: Document): this;
+    /**
+     * Set the cursor returnKey.
+     * If set to true, modifies the cursor to only return the index field or fields for the results of the query, rather than documents.
+     * If set to true and the query does not use an index to perform the read operation, the returned documents will not contain any fields.
+     *
+     * @param value - the returnKey value.
+     */
+    returnKey(value: boolean): this;
+    /**
+     * Modifies the output of a query by adding a field $recordId to matching documents. $recordId is the internal key which uniquely identifies a document in a collection.
+     *
+     * @param value - The $showDiskLoc option has now been deprecated and replaced with the showRecordId field. $showDiskLoc will still be accepted for OP_QUERY stye find.
+     */
+    showRecordId(value: boolean): this;
+    /**
+     * Add a query modifier to the cursor query
+     *
+     * @param name - The query modifier (must start with $, such as $orderby etc)
+     * @param value - The modifier value.
+     */
+    addQueryModifier(name: string, value: string | boolean | number | Document): this;
+    /**
+     * Add a comment to the cursor query allowing for tracking the comment in the log.
+     *
+     * @param value - The comment attached to this query.
+     */
+    comment(value: string): this;
+    /**
+     * Set a maxAwaitTimeMS on a tailing cursor query to allow to customize the timeout value for the option awaitData (Only supported on MongoDB 3.2 or higher, ignored otherwise)
+     *
+     * @param value - Number of milliseconds to wait before aborting the tailed query.
+     */
+    maxAwaitTimeMS(value: number): this;
+    /**
+     * Set a maxTimeMS on the cursor query, allowing for hard timeout limits on queries (Only supported on MongoDB 2.6 or higher)
+     *
+     * @param value - Number of milliseconds to wait before aborting the query.
+     */
+    maxTimeMS(value: number): this;
+    /**
+     * Add a project stage to the aggregation pipeline
+     *
+     * @remarks
+     * In order to strictly type this function you must provide an interface
+     * that represents the effect of your projection on the result documents.
+     *
+     * By default chaining a projection to your cursor changes the returned type to the generic
+     * {@link Document} type.
+     * You should specify a parameterized type to have assertions on your final results.
+     *
+     * @example
+     * ```typescript
+     * // Best way
+     * const docs: FindCursor<{ a: number }> = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * // Flexible way
+     * const docs: FindCursor<Document> = cursor.project({ _id: 0, a: true });
+     * ```
+     *
+     * @remarks
+     *
+     * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+     * it **does not** return a new instance of a cursor. This means when calling project,
+     * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+     * Take note of the following example:
+     *
+     * @example
+     * ```typescript
+     * const cursor: FindCursor<{ a: number; b: string }> = coll.find();
+     * const projectCursor = cursor.project<{ a: number }>({ _id: 0, a: true });
+     * const aPropOnlyArray: {a: number}[] = await projectCursor.toArray();
+     *
+     * // or always use chaining and save the final cursor
+     *
+     * const cursor = coll.find().project<{ a: string }>({
+     *   _id: 0,
+     *   a: { $convert: { input: '$a', to: 'string' }
+     * }});
+     * ```
+     */
+    project<T extends Document = Document>(value: Document): FindCursor<T>;
+    /**
+     * Sets the sort order of the cursor query.
+     *
+     * @param sort - The key or keys set for the sort.
+     * @param direction - The direction of the sorting (1 or -1).
+     */
+    sort(sort: Sort | string, direction?: SortDirection): this;
+    /**
+     * Allows disk use for blocking sort operations exceeding 100MB memory. (MongoDB 3.2 or higher)
+     *
+     * @remarks
+     * {@link https://docs.mongodb.com/manual/reference/command/find/#find-cmd-allowdiskuse | find command allowDiskUse documentation}
+     */
+    allowDiskUse(allow?: boolean): this;
+    /**
+     * Set the collation options for the cursor.
+     *
+     * @param value - The cursor collation options (MongoDB 3.4 or higher) settings for update operation (see 3.4 documentation for available fields).
+     */
+    collation(value: CollationOptions): this;
+    /**
+     * Set the limit for the cursor.
+     *
+     * @param value - The limit for the cursor query.
+     */
+    limit(value: number): this;
+    /**
+     * Set the skip for the cursor.
+     *
+     * @param value - The skip for the cursor query.
+     */
+    skip(value: number): this;
+}
+
+/** @public */
+export declare interface FindOneAndDeleteOptions extends CommandOperationOptions {
+    /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+    hint?: Document;
+    /** Limits the fields to return for all matching documents. */
+    projection?: Document;
+    /** Determines which document the operation modifies if the query selects multiple documents. */
+    sort?: Sort;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+}
+
+/** @public */
+export declare interface FindOneAndReplaceOptions extends CommandOperationOptions {
+    /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+    bypassDocumentValidation?: boolean;
+    /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+    hint?: Document;
+    /** Limits the fields to return for all matching documents. */
+    projection?: Document;
+    /** When set to 'after', returns the updated document rather than the original. The default is 'before'.  */
+    returnDocument?: ReturnDocument;
+    /** Determines which document the operation modifies if the query selects multiple documents. */
+    sort?: Sort;
+    /** Upsert the document if it does not exist. */
+    upsert?: boolean;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+}
+
+/** @public */
+export declare interface FindOneAndUpdateOptions extends CommandOperationOptions {
+    /** Optional list of array filters referenced in filtered positional operators */
+    arrayFilters?: Document[];
+    /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+    bypassDocumentValidation?: boolean;
+    /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+    hint?: Document;
+    /** Limits the fields to return for all matching documents. */
+    projection?: Document;
+    /** When set to 'after', returns the updated document rather than the original. The default is 'before'.  */
+    returnDocument?: ReturnDocument;
+    /** Determines which document the operation modifies if the query selects multiple documents. */
+    sort?: Sort;
+    /** Upsert the document if it does not exist. */
+    upsert?: boolean;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+}
+
+/**
+ * A builder object that is returned from {@link BulkOperationBase#find}.
+ * Is used to build a write operation that involves a query filter.
+ *
+ * @public
+ */
+export declare class FindOperators {
+    bulkOperation: BulkOperationBase;
+    /* Excluded from this release type: __constructor */
+    /** Add a multiple update operation to the bulk operation */
+    update(updateDocument: Document): BulkOperationBase;
+    /** Add a single update operation to the bulk operation */
+    updateOne(updateDocument: Document): BulkOperationBase;
+    /** Add a replace one operation to the bulk operation */
+    replaceOne(replacement: Document): BulkOperationBase;
+    /** Add a delete one operation to the bulk operation */
+    deleteOne(): BulkOperationBase;
+    /** Add a delete many operation to the bulk operation */
+    delete(): BulkOperationBase;
+    /** Upsert modifier for update bulk operation, noting that this operation is an upsert. */
+    upsert(): this;
+    /** Specifies the collation for the query condition. */
+    collation(collation: CollationOptions): this;
+    /** Specifies arrayFilters for UpdateOne or UpdateMany bulk operations. */
+    arrayFilters(arrayFilters: Document[]): this;
+}
+
+/**
+ * @public
+ * @typeParam TSchema - Unused schema definition, deprecated usage, only specify `FindOptions` with no generic
+ */
+export declare interface FindOptions<TSchema extends Document = Document> extends CommandOperationOptions {
+    /** Sets the limit of documents returned in the query. */
+    limit?: number;
+    /** Set to sort the documents coming back from the query. Array of indexes, `[['a', 1]]` etc. */
+    sort?: Sort;
+    /** The fields to return in the query. Object of fields to either include or exclude (one of, not both), `{'a':1, 'b': 1}` **or** `{'a': 0, 'b': 0}` */
+    projection?: Document;
+    /** Set to skip N documents ahead in your query (useful for pagination). */
+    skip?: number;
+    /** Tell the query to use specific indexes in the query. Object of indexes to use, `{'_id':1}` */
+    hint?: Hint;
+    /** Specify if the cursor can timeout. */
+    timeout?: boolean;
+    /** Specify if the cursor is tailable. */
+    tailable?: boolean;
+    /** Specify if the cursor is a tailable-await cursor. Requires `tailable` to be true */
+    awaitData?: boolean;
+    /** Set the batchSize for the getMoreCommand when iterating over the query results. */
+    batchSize?: number;
+    /** If true, returns only the index keys in the resulting documents. */
+    returnKey?: boolean;
+    /** The inclusive lower bound for a specific index */
+    min?: Document;
+    /** The exclusive upper bound for a specific index */
+    max?: Document;
+    /** Number of milliseconds to wait before aborting the query. */
+    maxTimeMS?: number;
+    /** The maximum amount of time for the server to wait on new documents to satisfy a tailable cursor query. Requires `tailable` and `awaitData` to be true */
+    maxAwaitTimeMS?: number;
+    /** The server normally times out idle cursors after an inactivity period (10 minutes) to prevent excess memory use. Set this option to prevent that. */
+    noCursorTimeout?: boolean;
+    /** Specify collation (MongoDB 3.4 or higher) settings for update operation (see 3.4 documentation for available fields). */
+    collation?: CollationOptions;
+    /** Allows disk use for blocking sort operations exceeding 100MB memory. (MongoDB 3.2 or higher) */
+    allowDiskUse?: boolean;
+    /** Determines whether to close the cursor after the first batch. Defaults to false. */
+    singleBatch?: boolean;
+    /** For queries against a sharded collection, allows the command (or subsequent getMore commands) to return partial results, rather than an error, if one or more queried shards are unavailable. */
+    allowPartialResults?: boolean;
+    /** Determines whether to return the record identifier for each document. If true, adds a field $recordId to the returned documents. */
+    showRecordId?: boolean;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+    /**
+     * Option to enable an optimized code path for queries looking for a particular range of `ts` values in the oplog. Requires `tailable` to be true.
+     * @deprecated Starting from MongoDB 4.4 this flag is not needed and will be ignored.
+     */
+    oplogReplay?: boolean;
+}
+
+/** @public */
+export declare type Flatten<Type> = Type extends ReadonlyArray<infer Item> ? Item : Type;
+
+/** @public */
+export declare type GenericListener = (...args: any[]) => void;
+
+/* Excluded from this release type: GetMoreOptions */
+
+/**
+ * Constructor for a streaming GridFS interface
+ * @public
+ */
+export declare class GridFSBucket extends TypedEventEmitter<GridFSBucketEvents> {
+    /* Excluded from this release type: s */
+    /**
+     * When the first call to openUploadStream is made, the upload stream will
+     * check to see if it needs to create the proper indexes on the chunks and
+     * files collections. This event is fired either when 1) it determines that
+     * no index creation is necessary, 2) when it successfully creates the
+     * necessary indexes.
+     * @event
+     */
+    static readonly INDEX: "index";
+    constructor(db: Db, options?: GridFSBucketOptions);
+    /**
+     * Returns a writable stream (GridFSBucketWriteStream) for writing
+     * buffers to GridFS. The stream's 'id' property contains the resulting
+     * file's id.
+     *
+     * @param filename - The value of the 'filename' key in the files doc
+     * @param options - Optional settings.
+     */
+    openUploadStream(filename: string, options?: GridFSBucketWriteStreamOptions): GridFSBucketWriteStream;
+    /**
+     * Returns a writable stream (GridFSBucketWriteStream) for writing
+     * buffers to GridFS for a custom file id. The stream's 'id' property contains the resulting
+     * file's id.
+     */
+    openUploadStreamWithId(id: ObjectId, filename: string, options?: GridFSBucketWriteStreamOptions): GridFSBucketWriteStream;
+    /** Returns a readable stream (GridFSBucketReadStream) for streaming file data from GridFS. */
+    openDownloadStream(id: ObjectId, options?: GridFSBucketReadStreamOptions): GridFSBucketReadStream;
+    /**
+     * Deletes a file with the given id
+     *
+     * @param id - The id of the file doc
+     */
+    delete(id: ObjectId): Promise<void>;
+    delete(id: ObjectId, callback: Callback<void>): void;
+    /** Convenience wrapper around find on the files collection */
+    find(filter?: Filter<GridFSFile>, options?: FindOptions): FindCursor<GridFSFile>;
+    /**
+     * Returns a readable stream (GridFSBucketReadStream) for streaming the
+     * file with the given name from GridFS. If there are multiple files with
+     * the same name, this will stream the most recent file with the given name
+     * (as determined by the `uploadDate` field). You can set the `revision`
+     * option to change this behavior.
+     */
+    openDownloadStreamByName(filename: string, options?: GridFSBucketReadStreamOptionsWithRevision): GridFSBucketReadStream;
+    /**
+     * Renames the file with the given _id to the given string
+     *
+     * @param id - the id of the file to rename
+     * @param filename - new name for the file
+     */
+    rename(id: ObjectId, filename: string): Promise<void>;
+    rename(id: ObjectId, filename: string, callback: Callback<void>): void;
+    /** Removes this bucket's files collection, followed by its chunks collection. */
+    drop(): Promise<void>;
+    drop(callback: Callback<void>): void;
+    /** Get the Db scoped logger. */
+    getLogger(): Logger;
+}
+
+/** @public */
+export declare type GridFSBucketEvents = {
+    index(): void;
+};
+
+/** @public */
+export declare interface GridFSBucketOptions extends WriteConcernOptions {
+    /** The 'files' and 'chunks' collections will be prefixed with the bucket name followed by a dot. */
+    bucketName?: string;
+    /** Number of bytes stored in each chunk. Defaults to 255KB */
+    chunkSizeBytes?: number;
+    /** Read preference to be passed to read operations */
+    readPreference?: ReadPreference;
+}
+
+/* Excluded from this release type: GridFSBucketPrivate */
+
+/**
+ * A readable stream that enables you to read buffers from GridFS.
+ *
+ * Do not instantiate this class directly. Use `openDownloadStream()` instead.
+ * @public
+ */
+export declare class GridFSBucketReadStream extends Readable implements NodeJS.ReadableStream {
+    /* Excluded from this release type: s */
+    /**
+     * An error occurred
+     * @event
+     */
+    static readonly ERROR: "error";
+    /**
+     * Fires when the stream loaded the file document corresponding to the provided id.
+     * @event
+     */
+    static readonly FILE: "file";
+    /**
+     * Emitted when a chunk of data is available to be consumed.
+     * @event
+     */
+    static readonly DATA: "data";
+    /**
+     * Fired when the stream is exhausted (no more data events).
+     * @event
+     */
+    static readonly END: "end";
+    /**
+     * Fired when the stream is exhausted and the underlying cursor is killed
+     * @event
+     */
+    static readonly CLOSE: "close";
+    /* Excluded from this release type: __constructor */
+    /* Excluded from this release type: _read */
+    /**
+     * Sets the 0-based offset in bytes to start streaming from. Throws
+     * an error if this stream has entered flowing mode
+     * (e.g. if you've already called `on('data')`)
+     *
+     * @param start - 0-based offset in bytes to start streaming from
+     */
+    start(start?: number): this;
+    /**
+     * Sets the 0-based offset in bytes to start streaming from. Throws
+     * an error if this stream has entered flowing mode
+     * (e.g. if you've already called `on('data')`)
+     *
+     * @param end - Offset in bytes to stop reading at
+     */
+    end(end?: number): this;
+    /**
+     * Marks this stream as aborted (will never push another `data` event)
+     * and kills the underlying cursor. Will emit the 'end' event, and then
+     * the 'close' event once the cursor is successfully killed.
+     *
+     * @param callback - called when the cursor is successfully closed or an error occurred.
+     */
+    abort(callback?: Callback<void>): void;
+}
+
+/** @public */
+export declare interface GridFSBucketReadStreamOptions {
+    sort?: Sort;
+    skip?: number;
+    /** 0-based offset in bytes to start streaming from */
+    start?: number;
+    /** 0-based offset in bytes to stop streaming before */
+    end?: number;
+}
+
+/** @public */
+export declare interface GridFSBucketReadStreamOptionsWithRevision extends GridFSBucketReadStreamOptions {
+    /** The revision number relative to the oldest file with the given filename. 0
+     * gets you the oldest file, 1 gets you the 2nd oldest, -1 gets you the
+     * newest. */
+    revision?: number;
+}
+
+/* Excluded from this release type: GridFSBucketReadStreamPrivate */
+
+/**
+ * A writable stream that enables you to write buffers to GridFS.
+ *
+ * Do not instantiate this class directly. Use `openUploadStream()` instead.
+ * @public
+ */
+export declare class GridFSBucketWriteStream extends Writable implements NodeJS.WritableStream {
+    bucket: GridFSBucket;
+    chunks: Collection<GridFSChunk>;
+    filename: string;
+    files: Collection<GridFSFile>;
+    options: GridFSBucketWriteStreamOptions;
+    done: boolean;
+    id: ObjectId;
+    chunkSizeBytes: number;
+    bufToStore: Buffer;
+    length: number;
+    n: number;
+    pos: number;
+    state: {
+        streamEnd: boolean;
+        outstandingRequests: number;
+        errored: boolean;
+        aborted: boolean;
+    };
+    writeConcern?: WriteConcern;
+    /** @event */
+    static readonly CLOSE = "close";
+    /** @event */
+    static readonly ERROR = "error";
+    /**
+     * `end()` was called and the write stream successfully wrote the file metadata and all the chunks to MongoDB.
+     * @event
+     */
+    static readonly FINISH = "finish";
+    /* Excluded from this release type: __constructor */
+    /**
+     * Write a buffer to the stream.
+     *
+     * @param chunk - Buffer to write
+     * @param encodingOrCallback - Optional encoding for the buffer
+     * @param callback - Function to call when the chunk was added to the buffer, or if the entire chunk was persisted to MongoDB if this chunk caused a flush.
+     * @returns False if this write required flushing a chunk to MongoDB. True otherwise.
+     */
+    write(chunk: Buffer | string): boolean;
+    write(chunk: Buffer | string, callback: Callback<void>): boolean;
+    write(chunk: Buffer | string, encoding: BufferEncoding | undefined): boolean;
+    write(chunk: Buffer | string, encoding: BufferEncoding | undefined, callback: Callback<void>): boolean;
+    /**
+     * Places this write stream into an aborted state (all future writes fail)
+     * and deletes all chunks that have already been written.
+     *
+     * @param callback - called when chunks are successfully removed or error occurred
+     */
+    abort(): Promise<void>;
+    abort(callback: Callback<void>): void;
+    /**
+     * Tells the stream that no more data will be coming in. The stream will
+     * persist the remaining data to MongoDB, write the files document, and
+     * then emit a 'finish' event.
+     *
+     * @param chunk - Buffer to write
+     * @param encoding - Optional encoding for the buffer
+     * @param callback - Function to call when all files and chunks have been persisted to MongoDB
+     */
+    end(): this;
+    end(chunk: Buffer): this;
+    end(callback: Callback<GridFSFile | void>): this;
+    end(chunk: Buffer, callback: Callback<GridFSFile | void>): this;
+    end(chunk: Buffer, encoding: BufferEncoding): this;
+    end(chunk: Buffer, encoding: BufferEncoding | undefined, callback: Callback<GridFSFile | void>): this;
+}
+
+/** @public */
+export declare interface GridFSBucketWriteStreamOptions extends WriteConcernOptions {
+    /** Overwrite this bucket's chunkSizeBytes for this file */
+    chunkSizeBytes?: number;
+    /** Custom file id for the GridFS file. */
+    id?: ObjectId;
+    /** Object to store in the file document's `metadata` field */
+    metadata?: Document;
+    /** String to store in the file document's `contentType` field */
+    contentType?: string;
+    /** Array of strings to store in the file document's `aliases` field */
+    aliases?: string[];
+}
+
+/** @public */
+export declare interface GridFSChunk {
+    _id: ObjectId;
+    files_id: ObjectId;
+    n: number;
+    data: Buffer | Uint8Array;
+}
+
+/** @public */
+export declare interface GridFSFile {
+    _id: ObjectId;
+    length: number;
+    chunkSize: number;
+    filename: string;
+    contentType?: string;
+    aliases?: string[];
+    metadata?: Document;
+    uploadDate: Date;
+}
+
+/** @public */
+export declare const GSSAPICanonicalizationValue: Readonly<{
+    readonly on: true;
+    readonly off: false;
+    readonly none: "none";
+    readonly forward: "forward";
+    readonly forwardAndReverse: "forwardAndReverse";
+}>;
+
+/** @public */
+export declare type GSSAPICanonicalizationValue = typeof GSSAPICanonicalizationValue[keyof typeof GSSAPICanonicalizationValue];
+
+/** @public */
+export declare interface HedgeOptions {
+    /** Explicitly enable or disable hedged reads. */
+    enabled?: boolean;
+}
+
+/** @public */
+export declare type Hint = string | Document;
+
+/** @public */
+export declare class HostAddress {
+    host: string | undefined;
+    port: number | undefined;
+    socketPath: string | undefined;
+    isIPv6: boolean | undefined;
+    constructor(hostString: string);
+    inspect(): string;
+    /**
+     * @param ipv6Brackets - optionally request ipv6 bracket notation required for connection strings
+     */
+    toString(ipv6Brackets?: boolean): string;
+    static fromString(this: void, s: string): HostAddress;
+    static fromHostPort(host: string, port: number): HostAddress;
+    static fromSrvRecord({ name, port }: SrvRecord): HostAddress;
+}
+
+/** @public */
+export declare interface IndexDescription extends Pick<CreateIndexesOptions, 'background' | 'unique' | 'partialFilterExpression' | 'sparse' | 'hidden' | 'expireAfterSeconds' | 'storageEngine' | 'version' | 'weights' | 'default_language' | 'language_override' | 'textIndexVersion' | '2dsphereIndexVersion' | 'bits' | 'min' | 'max' | 'bucketSize' | 'wildcardProjection'> {
+    collation?: CollationOptions;
+    name?: string;
+    key: {
+        [key: string]: IndexDirection;
+    } | Map<string, IndexDirection>;
+}
+
+/** @public */
+export declare type IndexDirection = -1 | 1 | '2d' | '2dsphere' | 'text' | 'geoHaystack' | number;
+
+/** @public */
+export declare interface IndexInformationOptions {
+    full?: boolean;
+    readPreference?: ReadPreference;
+    session?: ClientSession;
+}
+
+/** @public */
+export declare type IndexSpecification = OneOrMore<string | [string, IndexDirection] | {
+    [key: string]: IndexDirection;
+} | Map<string, IndexDirection>>;
+
+/** Given an object shaped type, return the type of the _id field or default to ObjectId @public */
+export declare type InferIdType<TSchema> = TSchema extends {
+    _id: infer IdType;
+} ? Record<any, never> extends IdType ? never : IdType : TSchema extends {
+    _id?: infer IdType;
+} ? unknown extends IdType ? ObjectId : IdType : ObjectId;
+
+/** @public */
+export declare interface InsertManyResult<TSchema = Document> {
+    /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+    acknowledged: boolean;
+    /** The number of inserted documents for this operations */
+    insertedCount: number;
+    /** Map of the index of the inserted document to the id of the inserted document */
+    insertedIds: {
+        [key: number]: InferIdType<TSchema>;
+    };
+}
+
+/** @public */
+export declare interface InsertOneModel<TSchema extends Document = Document> {
+    /** The document to insert. */
+    document: OptionalId<TSchema>;
+}
+
+/** @public */
+export declare interface InsertOneOptions extends CommandOperationOptions {
+    /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+    bypassDocumentValidation?: boolean;
+    /** Force server to assign _id values instead of driver. */
+    forceServerObjectId?: boolean;
+}
+
+/** @public */
+export declare interface InsertOneResult<TSchema = Document> {
+    /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+    acknowledged: boolean;
+    /** The identifier that was inserted. If the server generated the identifier, this value will be null as the driver does not have access to that data */
+    insertedId: InferIdType<TSchema>;
+}
+
+export { Int32 }
+
+/** @public */
+export declare type IntegerType = number | Int32 | Long;
+
+/* Excluded from this release type: InternalAbstractCursorOptions */
+
+/* Excluded from this release type: InterruptibleAsyncInterval */
+
+/** @public */
+export declare type IsAny<Type, ResultIfAny, ResultIfNotAny> = true extends false & Type ? ResultIfAny : ResultIfNotAny;
+
+/**
+ * Helper types for dot-notation filter attributes
+ */
+/** @public */
+export declare type Join<T extends unknown[], D extends string> = T extends [] ? '' : T extends [string | number] ? `${T[0]}` : T extends [string | number, ...infer R] ? `${T[0]}${D}${Join<R, D>}` : string;
+
+/* Excluded from this release type: kBeforeHandshake */
+
+/* Excluded from this release type: kBuffer */
+
+/* Excluded from this release type: kBuffers */
+
+/* Excluded from this release type: kBuiltOptions */
+
+/* Excluded from this release type: kCancellationToken */
+
+/* Excluded from this release type: kCancellationToken_2 */
+
+/* Excluded from this release type: kCancelled */
+
+/* Excluded from this release type: kCancelled_2 */
+
+/* Excluded from this release type: kCheckedOut */
+
+/* Excluded from this release type: kClient */
+
+/* Excluded from this release type: kClosed */
+
+/* Excluded from this release type: kClosed_2 */
+
+/* Excluded from this release type: kClusterTime */
+
+/* Excluded from this release type: kConnection */
+
+/* Excluded from this release type: kConnectionCounter */
+
+/* Excluded from this release type: kConnections */
+
+/* Excluded from this release type: kCursorStream */
+
+/* Excluded from this release type: kDelayedTimeoutId */
+
+/* Excluded from this release type: kDescription */
+
+/* Excluded from this release type: kDocuments */
+
+/* Excluded from this release type: kErrorLabels */
+
+/** @public */
+export declare type KeysOfAType<TSchema, Type> = {
+    [key in keyof TSchema]: NonNullable<TSchema[key]> extends Type ? key : never;
+}[keyof TSchema];
+
+/** @public */
+export declare type KeysOfOtherType<TSchema, Type> = {
+    [key in keyof TSchema]: NonNullable<TSchema[key]> extends Type ? never : key;
+}[keyof TSchema];
+
+/* Excluded from this release type: kFilter */
+
+/* Excluded from this release type: kGeneration */
+
+/* Excluded from this release type: kGeneration_2 */
+
+/* Excluded from this release type: kHello */
+
+/* Excluded from this release type: kId */
+
+/* Excluded from this release type: kInit */
+
+/* Excluded from this release type: kInitialized */
+
+/* Excluded from this release type: kInternalClient */
+
+/* Excluded from this release type: kKilled */
+
+/* Excluded from this release type: kLastUseTime */
+
+/* Excluded from this release type: kLength */
+
+/* Excluded from this release type: kLogger */
+
+/* Excluded from this release type: kMessageStream */
+
+/* Excluded from this release type: kMetrics */
+
+/* Excluded from this release type: kMinPoolSizeTimer */
+
+/* Excluded from this release type: kMode */
+
+/* Excluded from this release type: kMonitor */
+
+/* Excluded from this release type: kMonitorId */
+
+/* Excluded from this release type: kNamespace */
+
+/* Excluded from this release type: kNumReturned */
+
+/* Excluded from this release type: kOptions */
+
+/* Excluded from this release type: kOptions_2 */
+
+/* Excluded from this release type: kOptions_3 */
+
+/* Excluded from this release type: kPending */
+
+/* Excluded from this release type: kPinnedConnection */
+
+/* Excluded from this release type: kPipeline */
+
+/* Excluded from this release type: kPoolState */
+
+/* Excluded from this release type: kProcessingWaitQueue */
+
+/* Excluded from this release type: kQueue */
+
+/* Excluded from this release type: kRoundTripTime */
+
+/* Excluded from this release type: kRTTPinger */
+
+/* Excluded from this release type: kServer */
+
+/* Excluded from this release type: kServer_2 */
+
+/* Excluded from this release type: kServerError */
+
+/* Excluded from this release type: kServerSession */
+
+/* Excluded from this release type: kServiceGenerations */
+
+/* Excluded from this release type: kSession */
+
+/* Excluded from this release type: kSession_2 */
+
+/* Excluded from this release type: kSnapshotEnabled */
+
+/* Excluded from this release type: kSnapshotTime */
+
+/* Excluded from this release type: kStream */
+
+/* Excluded from this release type: kTransform */
+
+/* Excluded from this release type: kTxnNumberIncrement */
+
+/* Excluded from this release type: kWaitQueue */
+
+/* Excluded from this release type: kWaitQueue_2 */
+
+/** @public */
+export declare const LEGAL_TCP_SOCKET_OPTIONS: readonly ["family", "hints", "localAddress", "localPort", "lookup"];
+
+/** @public */
+export declare const LEGAL_TLS_SOCKET_OPTIONS: readonly ["ALPNProtocols", "ca", "cert", "checkServerIdentity", "ciphers", "crl", "ecdhCurve", "key", "minDHSize", "passphrase", "pfx", "rejectUnauthorized", "secureContext", "secureProtocol", "servername", "session"];
+
+/** @public */
+export declare class ListCollectionsCursor<T extends Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo = Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo> extends AbstractCursor<T> {
+    parent: Db;
+    filter: Document;
+    options?: ListCollectionsOptions;
+    constructor(db: Db, filter: Document, options?: ListCollectionsOptions);
+    clone(): ListCollectionsCursor<T>;
+    /* Excluded from this release type: _initialize */
+}
+
+/** @public */
+export declare interface ListCollectionsOptions extends CommandOperationOptions {
+    /** Since 4.0: If true, will only return the collection name in the response, and will omit additional info */
+    nameOnly?: boolean;
+    /** Since 4.0: If true and nameOnly is true, allows a user without the required privilege (i.e. listCollections action on the database) to run the command when access control is enforced. */
+    authorizedCollections?: boolean;
+    /** The batchSize for the returned command cursor or if pre 2.8 the systems batch collection */
+    batchSize?: number;
+}
+
+/** @public */
+export declare interface ListDatabasesOptions extends CommandOperationOptions {
+    /** A query predicate that determines which databases are listed */
+    filter?: Document;
+    /** A flag to indicate whether the command should return just the database names, or return both database names and size information */
+    nameOnly?: boolean;
+    /** A flag that determines which databases are returned based on the user privileges when access control is enabled */
+    authorizedDatabases?: boolean;
+}
+
+/** @public */
+export declare interface ListDatabasesResult {
+    databases: ({
+        name: string;
+        sizeOnDisk?: number;
+        empty?: boolean;
+    } & Document)[];
+    totalSize?: number;
+    totalSizeMb?: number;
+    ok: 1 | 0;
+}
+
+/** @public */
+export declare class ListIndexesCursor extends AbstractCursor {
+    parent: Collection;
+    options?: ListIndexesOptions;
+    constructor(collection: Collection, options?: ListIndexesOptions);
+    clone(): ListIndexesCursor;
+    /* Excluded from this release type: _initialize */
+}
+
+/** @public */
+export declare interface ListIndexesOptions extends CommandOperationOptions {
+    /** The batchSize for the returned command cursor or if pre 2.8 the systems batch collection */
+    batchSize?: number;
+}
+
+/**
+ * @public
+ */
+export declare class Logger {
+    className: string;
+    /**
+     * Creates a new Logger instance
+     *
+     * @param className - The Class name associated with the logging instance
+     * @param options - Optional logging settings
+     */
+    constructor(className: string, options?: LoggerOptions);
+    /**
+     * Log a message at the debug level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    debug(message: string, object?: unknown): void;
+    /**
+     * Log a message at the warn level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    warn(message: string, object?: unknown): void;
+    /**
+     * Log a message at the info level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    info(message: string, object?: unknown): void;
+    /**
+     * Log a message at the error level
+     *
+     * @param message - The message to log
+     * @param object - Additional meta data to log
+     */
+    error(message: string, object?: unknown): void;
+    /** Is the logger set at info level */
+    isInfo(): boolean;
+    /** Is the logger set at error level */
+    isError(): boolean;
+    /** Is the logger set at error level */
+    isWarn(): boolean;
+    /** Is the logger set at debug level */
+    isDebug(): boolean;
+    /** Resets the logger to default settings, error and no filtered classes */
+    static reset(): void;
+    /** Get the current logger function */
+    static currentLogger(): LoggerFunction;
+    /**
+     * Set the current logger function
+     *
+     * @param logger - Custom logging function
+     */
+    static setCurrentLogger(logger: LoggerFunction): void;
+    /**
+     * Filter log messages for a particular class
+     *
+     * @param type - The type of filter (currently only class)
+     * @param values - The filters to apply
+     */
+    static filter(type: string, values: string[]): void;
+    /**
+     * Set the current log level
+     *
+     * @param newLevel - Set current log level (debug, warn, info, error)
+     */
+    static setLevel(newLevel: LoggerLevel): void;
+}
+
+/** @public */
+export declare type LoggerFunction = (message?: any, ...optionalParams: any[]) => void;
+
+/** @public */
+export declare const LoggerLevel: Readonly<{
+    readonly ERROR: "error";
+    readonly WARN: "warn";
+    readonly INFO: "info";
+    readonly DEBUG: "debug";
+    readonly error: "error";
+    readonly warn: "warn";
+    readonly info: "info";
+    readonly debug: "debug";
+}>;
+
+/** @public */
+export declare type LoggerLevel = typeof LoggerLevel[keyof typeof LoggerLevel];
+
+/** @public */
+export declare interface LoggerOptions {
+    logger?: LoggerFunction;
+    loggerLevel?: LoggerLevel;
+}
+
+export { Long }
+
+export { Map_2 as Map }
+
+/** @public */
+export declare type MapFunction<TSchema = Document> = (this: TSchema) => void;
+
+/** @public */
+export declare interface MapReduceOptions<TKey = ObjectId, TValue = Document> extends CommandOperationOptions {
+    /** Sets the output target for the map reduce job. */
+    out?: 'inline' | {
+        inline: 1;
+    } | {
+        replace: string;
+    } | {
+        merge: string;
+    } | {
+        reduce: string;
+    };
+    /** Query filter object. */
+    query?: Document;
+    /** Sorts the input objects using this key. Useful for optimization, like sorting by the emit key for fewer reduces. */
+    sort?: Sort;
+    /** Number of objects to return from collection. */
+    limit?: number;
+    /** Keep temporary data. */
+    keeptemp?: boolean;
+    /** Finalize function. */
+    finalize?: FinalizeFunction<TKey, TValue> | string;
+    /** Can pass in variables that can be access from map/reduce/finalize. */
+    scope?: Document;
+    /** It is possible to make the execution stay in JS. Provided in MongoDB \> 2.0.X. */
+    jsMode?: boolean;
+    /** Provide statistics on job execution time. */
+    verbose?: boolean;
+    /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+    bypassDocumentValidation?: boolean;
+}
+
+/** @public */
+export declare type MatchKeysAndValues<TSchema> = Readonly<{
+    [Property in Join<NestedPaths<TSchema>, '.'>]?: PropertyType<TSchema, Property>;
+} & {
+    [Property in `${NestedPathsOfType<TSchema, any[]>}.$${`[${string}]` | ''}`]?: ArrayElement<PropertyType<TSchema, Property extends `${infer Key}.$${string}` ? Key : never>>;
+} & {
+    [Property in `${NestedPathsOfType<TSchema, Record<string, any>[]>}.$${`[${string}]` | ''}.${string}`]?: any;
+}>;
+
+export { MaxKey }
+
+/* Excluded from this release type: MessageHeader */
+
+/* Excluded from this release type: MessageStream */
+
+/* Excluded from this release type: MessageStreamOptions */
+export { MinKey }
+
+/** @public */
+export declare interface ModifyResult<TSchema = Document> {
+    value: WithId<TSchema> | null;
+    lastErrorObject?: Document;
+    ok: 0 | 1;
+}
+
+/** @public */
+export declare const MONGO_CLIENT_EVENTS: readonly ["connectionPoolCreated", "connectionPoolClosed", "connectionCreated", "connectionReady", "connectionClosed", "connectionCheckOutStarted", "connectionCheckOutFailed", "connectionCheckedOut", "connectionCheckedIn", "connectionPoolCleared", "commandStarted", "commandSucceeded", "commandFailed", "serverOpening", "serverClosed", "serverDescriptionChanged", "topologyOpening", "topologyClosed", "topologyDescriptionChanged", "error", "timeout", "close", "serverHeartbeatStarted", "serverHeartbeatSucceeded", "serverHeartbeatFailed"];
+
+/**
+ * An error generated when the driver API is used incorrectly
+ *
+ * @privateRemarks
+ * Should **never** be directly instantiated
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoAPIError extends MongoDriverError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * A error generated when the user attempts to authenticate
+ * via AWS, but fails
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoAWSError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when a batch command is re-executed after one of the commands in the batch
+ * has failed
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoBatchReExecutionError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/**
+ * An error indicating an unsuccessful Bulk Write
+ * @public
+ * @category Error
+ */
+export declare class MongoBulkWriteError extends MongoServerError {
+    result: BulkWriteResult;
+    writeErrors: OneOrMore<WriteError>;
+    err?: WriteConcernError;
+    /** Creates a new MongoBulkWriteError */
+    constructor(error: {
+        message: string;
+        code: number;
+        writeErrors?: WriteError[];
+    } | WriteConcernError | AnyError, result: BulkWriteResult);
+    get name(): string;
+    /** Number of documents inserted. */
+    get insertedCount(): number;
+    /** Number of documents matched for update. */
+    get matchedCount(): number;
+    /** Number of documents modified. */
+    get modifiedCount(): number;
+    /** Number of documents deleted. */
+    get deletedCount(): number;
+    /** Number of documents upserted. */
+    get upsertedCount(): number;
+    /** Inserted document generated Id's, hash key is the index of the originating operation */
+    get insertedIds(): {
+        [key: number]: any;
+    };
+    /** Upserted document generated Id's, hash key is the index of the originating operation */
+    get upsertedIds(): {
+        [key: number]: any;
+    };
+}
+
+/**
+ * An error generated when a ChangeStream operation fails to execute.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoChangeStreamError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * The **MongoClient** class is a class that allows for making Connections to MongoDB.
+ * @public
+ *
+ * @remarks
+ * The programmatically provided options take precedence over the URI options.
+ *
+ * @example
+ * ```js
+ * // Connect using a MongoClient instance
+ * const MongoClient = require('mongodb').MongoClient;
+ * const test = require('assert');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ * // Connect using MongoClient
+ * const mongoClient = new MongoClient(url);
+ * mongoClient.connect(function(err, client) {
+ *   const db = client.db(dbName);
+ *   client.close();
+ * });
+ * ```
+ *
+ * @example
+ * ```js
+ * // Connect using the MongoClient.connect static method
+ * const MongoClient = require('mongodb').MongoClient;
+ * const test = require('assert');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, client) {
+ *   const db = client.db(dbName);
+ *   client.close();
+ * });
+ * ```
+ */
+export declare class MongoClient extends TypedEventEmitter<MongoClientEvents> {
+    /* Excluded from this release type: s */
+    /* Excluded from this release type: topology */
+    /* Excluded from this release type: [kOptions] */
+    constructor(url: string, options?: MongoClientOptions);
+    get options(): Readonly<MongoOptions>;
+    get serverApi(): Readonly<ServerApi | undefined>;
+    /* Excluded from this release type: monitorCommands */
+    /* Excluded from this release type: monitorCommands */
+    get autoEncrypter(): AutoEncrypter | undefined;
+    get readConcern(): ReadConcern | undefined;
+    get writeConcern(): WriteConcern | undefined;
+    get readPreference(): ReadPreference;
+    get bsonOptions(): BSONSerializeOptions;
+    get logger(): Logger;
+    /**
+     * Connect to MongoDB using a url
+     *
+     * @see docs.mongodb.org/manual/reference/connection-string/
+     */
+    connect(): Promise<this>;
+    connect(callback: Callback<this>): void;
+    /**
+     * Close the db and its underlying connections
+     *
+     * @param force - Force close, emitting no events
+     * @param callback - An optional callback, a Promise will be returned if none is provided
+     */
+    close(): Promise<void>;
+    close(callback: Callback<void>): void;
+    close(force: boolean): Promise<void>;
+    close(force: boolean, callback: Callback<void>): void;
+    /**
+     * Create a new Db instance sharing the current socket connections.
+     *
+     * @param dbName - The name of the database we want to use. If not provided, use database name from connection string.
+     * @param options - Optional settings for Db construction
+     */
+    db(dbName?: string, options?: DbOptions): Db;
+    /**
+     * Connect to MongoDB using a url
+     *
+     * @remarks
+     * The programmatically provided options take precedence over the URI options.
+     *
+     * @see https://docs.mongodb.org/manual/reference/connection-string/
+     */
+    static connect(url: string): Promise<MongoClient>;
+    static connect(url: string, callback: Callback<MongoClient>): void;
+    static connect(url: string, options: MongoClientOptions): Promise<MongoClient>;
+    static connect(url: string, options: MongoClientOptions, callback: Callback<MongoClient>): void;
+    /** Starts a new session on the server */
+    startSession(): ClientSession;
+    startSession(options: ClientSessionOptions): ClientSession;
+    /**
+     * Runs a given operation with an implicitly created session. The lifetime of the session
+     * will be handled without the need for user interaction.
+     *
+     * NOTE: presently the operation MUST return a Promise (either explicit or implicitly as an async function)
+     *
+     * @param options - Optional settings for the command
+     * @param callback - An callback to execute with an implicitly created session
+     */
+    withSession(callback: WithSessionCallback): Promise<void>;
+    withSession(options: ClientSessionOptions, callback: WithSessionCallback): Promise<void>;
+    /**
+     * Create a new Change Stream, watching for new changes (insertions, updates,
+     * replacements, deletions, and invalidations) in this cluster. Will ignore all
+     * changes to system collections, as well as the local, admin, and config databases.
+     *
+     * @remarks
+     * watch() accepts two generic arguments for distinct usecases:
+     * - The first is to provide the schema that may be defined for all the data within the current cluster
+     * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+     *
+     * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+     * @param options - Optional settings for the command
+     * @typeParam TSchema - Type of the data being detected by the change stream
+     * @typeParam TChange - Type of the whole change stream document emitted
+     */
+    watch<TSchema extends Document = Document, TChange extends Document = ChangeStreamDocument<TSchema>>(pipeline?: Document[], options?: ChangeStreamOptions): ChangeStream<TSchema, TChange>;
+    /** Return the mongo client logger */
+    getLogger(): Logger;
+}
+
+/** @public */
+export declare type MongoClientEvents = Pick<TopologyEvents, typeof MONGO_CLIENT_EVENTS[number]> & {
+    open(mongoClient: MongoClient): void;
+};
+
+/**
+ * Describes all possible URI query options for the mongo client
+ * @public
+ * @see https://docs.mongodb.com/manual/reference/connection-string
+ */
+export declare interface MongoClientOptions extends BSONSerializeOptions, SupportedNodeConnectionOptions {
+    /** Specifies the name of the replica set, if the mongod is a member of a replica set. */
+    replicaSet?: string;
+    /** Enables or disables TLS/SSL for the connection. */
+    tls?: boolean;
+    /** A boolean to enable or disables TLS/SSL for the connection. (The ssl option is equivalent to the tls option.) */
+    ssl?: boolean;
+    /** Specifies the location of a local TLS Certificate */
+    tlsCertificateFile?: string;
+    /** Specifies the location of a local .pem file that contains either the client's TLS/SSL certificate and key or only the client's TLS/SSL key when tlsCertificateFile is used to provide the certificate. */
+    tlsCertificateKeyFile?: string;
+    /** Specifies the password to de-crypt the tlsCertificateKeyFile. */
+    tlsCertificateKeyFilePassword?: string;
+    /** Specifies the location of a local .pem file that contains the root certificate chain from the Certificate Authority. This file is used to validate the certificate presented by the mongod/mongos instance. */
+    tlsCAFile?: string;
+    /** Bypasses validation of the certificates presented by the mongod/mongos instance */
+    tlsAllowInvalidCertificates?: boolean;
+    /** Disables hostname validation of the certificate presented by the mongod/mongos instance. */
+    tlsAllowInvalidHostnames?: boolean;
+    /** Disables various certificate validations. */
+    tlsInsecure?: boolean;
+    /** The time in milliseconds to attempt a connection before timing out. */
+    connectTimeoutMS?: number;
+    /** The time in milliseconds to attempt a send or receive on a socket before the attempt times out. */
+    socketTimeoutMS?: number;
+    /** An array or comma-delimited string of compressors to enable network compression for communication between this client and a mongod/mongos instance. */
+    compressors?: CompressorName[] | string;
+    /** An integer that specifies the compression level if using zlib for network compression. */
+    zlibCompressionLevel?: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | undefined;
+    /** The maximum number of hosts to connect to when using an srv connection string, a setting of `0` means unlimited hosts */
+    srvMaxHosts?: number;
+    /**
+     * Modifies the srv URI to look like:
+     *
+     * `_{srvServiceName}._tcp.{hostname}.{domainname}`
+     *
+     * Querying this DNS URI is expected to respond with SRV records
+     */
+    srvServiceName?: string;
+    /** The maximum number of connections in the connection pool. */
+    maxPoolSize?: number;
+    /** The minimum number of connections in the connection pool. */
+    minPoolSize?: number;
+    /** The maximum number of connections that may be in the process of being established concurrently by the connection pool. */
+    maxConnecting?: number;
+    /** The maximum number of milliseconds that a connection can remain idle in the pool before being removed and closed. */
+    maxIdleTimeMS?: number;
+    /** The maximum time in milliseconds that a thread can wait for a connection to become available. */
+    waitQueueTimeoutMS?: number;
+    /** Specify a read concern for the collection (only MongoDB 3.2 or higher supported) */
+    readConcern?: ReadConcernLike;
+    /** The level of isolation */
+    readConcernLevel?: ReadConcernLevel;
+    /** Specifies the read preferences for this connection */
+    readPreference?: ReadPreferenceMode | ReadPreference;
+    /** Specifies, in seconds, how stale a secondary can be before the client stops using it for read operations. */
+    maxStalenessSeconds?: number;
+    /** Specifies the tags document as a comma-separated list of colon-separated key-value pairs.  */
+    readPreferenceTags?: TagSet[];
+    /** The auth settings for when connection to server. */
+    auth?: Auth;
+    /** Specify the database name associated with the user’s credentials. */
+    authSource?: string;
+    /** Specify the authentication mechanism that MongoDB will use to authenticate the connection. */
+    authMechanism?: AuthMechanism;
+    /** Specify properties for the specified authMechanism as a comma-separated list of colon-separated key-value pairs. */
+    authMechanismProperties?: AuthMechanismProperties;
+    /** The size (in milliseconds) of the latency window for selecting among multiple suitable MongoDB instances. */
+    localThresholdMS?: number;
+    /** Specifies how long (in milliseconds) to block for server selection before throwing an exception.  */
+    serverSelectionTimeoutMS?: number;
+    /** heartbeatFrequencyMS controls when the driver checks the state of the MongoDB deployment. Specify the interval (in milliseconds) between checks, counted from the end of the previous check until the beginning of the next one. */
+    heartbeatFrequencyMS?: number;
+    /** Sets the minimum heartbeat frequency. In the event that the driver has to frequently re-check a server's availability, it will wait at least this long since the previous check to avoid wasted effort. */
+    minHeartbeatFrequencyMS?: number;
+    /** The name of the application that created this MongoClient instance. MongoDB 3.4 and newer will print this value in the server log upon establishing each connection. It is also recorded in the slow query log and profile collections */
+    appName?: string;
+    /** Enables retryable reads. */
+    retryReads?: boolean;
+    /** Enable retryable writes. */
+    retryWrites?: boolean;
+    /** Allow a driver to force a Single topology type with a connection string containing one host */
+    directConnection?: boolean;
+    /** Instruct the driver it is connecting to a load balancer fronting a mongos like service */
+    loadBalanced?: boolean;
+    /**
+     * The write concern w value
+     * @deprecated Please use the `writeConcern` option instead
+     */
+    w?: W;
+    /**
+     * The write concern timeout
+     * @deprecated Please use the `writeConcern` option instead
+     */
+    wtimeoutMS?: number;
+    /**
+     * The journal write concern
+     * @deprecated Please use the `writeConcern` option instead
+     */
+    journal?: boolean;
+    /**
+     * A MongoDB WriteConcern, which describes the level of acknowledgement
+     * requested from MongoDB for write operations.
+     *
+     * @see https://docs.mongodb.com/manual/reference/write-concern/
+     */
+    writeConcern?: WriteConcern | WriteConcernSettings;
+    /** Validate mongod server certificate against Certificate Authority */
+    sslValidate?: boolean;
+    /** SSL Certificate file path. */
+    sslCA?: string;
+    /** SSL Certificate file path. */
+    sslCert?: string;
+    /** SSL Key file file path. */
+    sslKey?: string;
+    /** SSL Certificate pass phrase. */
+    sslPass?: string;
+    /** SSL Certificate revocation list file path. */
+    sslCRL?: string;
+    /** TCP Connection no delay */
+    noDelay?: boolean;
+    /** TCP Connection keep alive enabled */
+    keepAlive?: boolean;
+    /** The number of milliseconds to wait before initiating keepAlive on the TCP socket */
+    keepAliveInitialDelay?: number;
+    /** Force server to assign `_id` values instead of driver */
+    forceServerObjectId?: boolean;
+    /** Return document results as raw BSON buffers */
+    raw?: boolean;
+    /** A primary key factory function for generation of custom `_id` keys */
+    pkFactory?: PkFactory;
+    /** A Promise library class the application wishes to use such as Bluebird, must be ES6 compatible */
+    promiseLibrary?: any;
+    /** The logging level */
+    loggerLevel?: LoggerLevel;
+    /** Custom logger object */
+    logger?: Logger;
+    /** Enable command monitoring for this client */
+    monitorCommands?: boolean;
+    /** Server API version */
+    serverApi?: ServerApi | ServerApiVersion;
+    /**
+     * Optionally enable client side auto encryption
+     *
+     * @remarks
+     *  Automatic encryption is an enterprise only feature that only applies to operations on a collection. Automatic encryption is not supported for operations on a database or view, and operations that are not bypassed will result in error
+     *  (see [libmongocrypt: Auto Encryption Allow-List](https://github.com/mongodb/specifications/blob/master/source/client-side-encryption/client-side-encryption.rst#libmongocrypt-auto-encryption-allow-list)). To bypass automatic encryption for all operations, set bypassAutoEncryption=true in AutoEncryptionOpts.
+     *
+     *  Automatic encryption requires the authenticated user to have the [listCollections privilege action](https://docs.mongodb.com/manual/reference/command/listCollections/#dbcmd.listCollections).
+     *
+     *  If a MongoClient with a limited connection pool size (i.e a non-zero maxPoolSize) is configured with AutoEncryptionOptions, a separate internal MongoClient is created if any of the following are true:
+     *  - AutoEncryptionOptions.keyVaultClient is not passed.
+     *  - AutoEncryptionOptions.bypassAutomaticEncryption is false.
+     *
+     * If an internal MongoClient is created, it is configured with the same options as the parent MongoClient except minPoolSize is set to 0 and AutoEncryptionOptions is omitted.
+     */
+    autoEncryption?: AutoEncryptionOptions;
+    /** Allows a wrapping driver to amend the client metadata generated by the driver to include information about the wrapping driver */
+    driverInfo?: DriverInfo;
+    /** Configures a Socks5 proxy host used for creating TCP connections. */
+    proxyHost?: string;
+    /** Configures a Socks5 proxy port used for creating TCP connections. */
+    proxyPort?: number;
+    /** Configures a Socks5 proxy username when the proxy in proxyHost requires username/password authentication. */
+    proxyUsername?: string;
+    /** Configures a Socks5 proxy password when the proxy in proxyHost requires username/password authentication. */
+    proxyPassword?: string;
+    /* Excluded from this release type: srvPoller */
+    /* Excluded from this release type: connectionType */
+    /* Excluded from this release type: __index */
+}
+
+/* Excluded from this release type: MongoClientPrivate */
+
+/**
+ * An error generated when a feature that is not enabled or allowed for the current server
+ * configuration is used
+ *
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoCompatibilityError extends MongoAPIError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * A representation of the credentials used by MongoDB
+ * @public
+ */
+export declare class MongoCredentials {
+    /** The username used for authentication */
+    readonly username: string;
+    /** The password used for authentication */
+    readonly password: string;
+    /** The database that the user should authenticate against */
+    readonly source: string;
+    /** The method used to authenticate */
+    readonly mechanism: AuthMechanism;
+    /** Special properties used by some types of auth mechanisms */
+    readonly mechanismProperties: AuthMechanismProperties;
+    constructor(options: MongoCredentialsOptions);
+    /** Determines if two MongoCredentials objects are equivalent */
+    equals(other: MongoCredentials): boolean;
+    /**
+     * If the authentication mechanism is set to "default", resolves the authMechanism
+     * based on the server version and server supported sasl mechanisms.
+     *
+     * @param hello - A hello response from the server
+     */
+    resolveAuthMechanism(hello?: Document): MongoCredentials;
+    validate(): void;
+    static merge(creds: MongoCredentials | undefined, options: Partial<MongoCredentialsOptions>): MongoCredentials;
+}
+
+/** @public */
+export declare interface MongoCredentialsOptions {
+    username: string;
+    password: string;
+    source: string;
+    db?: string;
+    mechanism?: AuthMechanism;
+    mechanismProperties: AuthMechanismProperties;
+}
+
+/**
+ * An error thrown when an attempt is made to read from a cursor that has been exhausted
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoCursorExhaustedError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/**
+ * An error thrown when the user attempts to add options to a cursor that has already been
+ * initialized
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoCursorInUseError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/** @public */
+export declare class MongoDBNamespace {
+    db: string;
+    collection: string | undefined;
+    /**
+     * Create a namespace object
+     *
+     * @param db - database name
+     * @param collection - collection name
+     */
+    constructor(db: string, collection?: string);
+    toString(): string;
+    withCollection(collection: string): MongoDBNamespace;
+    static fromString(namespace?: string): MongoDBNamespace;
+}
+
+/**
+ * An error generated when the driver fails to decompress
+ * data received from the server.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoDecompressionError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated by the driver
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoDriverError extends MongoError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * @public
+ * @category Error
+ *
+ * @privateRemarks
+ * CSFLE has a dependency on this error, it uses the constructor with a string argument
+ */
+export declare class MongoError extends Error {
+    /* Excluded from this release type: [kErrorLabels] */
+    /**
+     * This is a number in MongoServerError and a string in MongoDriverError
+     * @privateRemarks
+     * Define the type override on the subclasses when we can use the override keyword
+     */
+    code?: number | string;
+    topologyVersion?: TopologyVersion;
+    constructor(message: string | Error);
+    get name(): string;
+    /** Legacy name for server error responses */
+    get errmsg(): string;
+    /**
+     * Checks the error to see if it has an error label
+     *
+     * @param label - The error label to check for
+     * @returns returns true if the error has the provided error label
+     */
+    hasErrorLabel(label: string): boolean;
+    addErrorLabel(label: string): void;
+    get errorLabels(): string[];
+}
+
+/** @public */
+export declare const MongoErrorLabel: Readonly<{
+    readonly RetryableWriteError: "RetryableWriteError";
+    readonly TransientTransactionError: "TransientTransactionError";
+    readonly UnknownTransactionCommitResult: "UnknownTransactionCommitResult";
+    readonly ResumableChangeStreamError: "ResumableChangeStreamError";
+    readonly HandshakeError: "HandshakeError";
+}>;
+
+/** @public */
+export declare type MongoErrorLabel = typeof MongoErrorLabel[keyof typeof MongoErrorLabel];
+
+/**
+ * An error generated when the user attempts to operate
+ * on a session that has expired or has been closed.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoExpiredSessionError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when a malformed or invalid chunk is
+ * encountered when reading from a GridFSStream.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoGridFSChunkError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/** An error generated when a GridFSStream operation fails to execute.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoGridFSStreamError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when the user supplies malformed or unexpected arguments
+ * or when a required argument or field is not provided.
+ *
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoInvalidArgumentError extends MongoAPIError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * A error generated when the user attempts to authenticate
+ * via Kerberos, but fails to connect to the Kerberos client.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoKerberosError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when the user fails to provide authentication credentials before attempting
+ * to connect to a mongo server instance.
+ *
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoMissingCredentialsError extends MongoAPIError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when a required module or dependency is not present in the local environment
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoMissingDependencyError extends MongoAPIError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error indicating an issue with the network, including TCP errors and timeouts.
+ * @public
+ * @category Error
+ */
+export declare class MongoNetworkError extends MongoError {
+    /* Excluded from this release type: [kBeforeHandshake] */
+    constructor(message: string | Error, options?: MongoNetworkErrorOptions);
+    get name(): string;
+}
+
+/** @public */
+export declare interface MongoNetworkErrorOptions {
+    /** Indicates the timeout happened before a connection handshake completed */
+    beforeHandshake: boolean;
+}
+
+/**
+ * An error indicating a network timeout occurred
+ * @public
+ * @category Error
+ *
+ * @privateRemarks
+ * CSFLE has a dependency on this error with an instanceof check
+ */
+export declare class MongoNetworkTimeoutError extends MongoNetworkError {
+    constructor(message: string, options?: MongoNetworkErrorOptions);
+    get name(): string;
+}
+
+/**
+ * An error thrown when the user attempts to operate on a database or collection through a MongoClient
+ * that has not yet successfully called the "connect" method
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoNotConnectedError extends MongoAPIError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * Mongo Client Options
+ * @public
+ */
+export declare interface MongoOptions extends Required<Pick<MongoClientOptions, 'autoEncryption' | 'connectTimeoutMS' | 'directConnection' | 'driverInfo' | 'forceServerObjectId' | 'minHeartbeatFrequencyMS' | 'heartbeatFrequencyMS' | 'keepAlive' | 'keepAliveInitialDelay' | 'localThresholdMS' | 'logger' | 'maxConnecting' | 'maxIdleTimeMS' | 'maxPoolSize' | 'minPoolSize' | 'monitorCommands' | 'noDelay' | 'pkFactory' | 'promiseLibrary' | 'raw' | 'replicaSet' | 'retryReads' | 'retryWrites' | 'serverSelectionTimeoutMS' | 'socketTimeoutMS' | 'srvMaxHosts' | 'srvServiceName' | 'tlsAllowInvalidCertificates' | 'tlsAllowInvalidHostnames' | 'tlsInsecure' | 'waitQueueTimeoutMS' | 'zlibCompressionLevel'>>, SupportedNodeConnectionOptions {
+    hosts: HostAddress[];
+    srvHost?: string;
+    credentials?: MongoCredentials;
+    readPreference: ReadPreference;
+    readConcern: ReadConcern;
+    loadBalanced: boolean;
+    serverApi: ServerApi;
+    compressors: CompressorName[];
+    writeConcern: WriteConcern;
+    dbName: string;
+    metadata: ClientMetadata;
+    autoEncrypter?: AutoEncrypter;
+    proxyHost?: string;
+    proxyPort?: number;
+    proxyUsername?: string;
+    proxyPassword?: string;
+    /* Excluded from this release type: connectionType */
+    /* Excluded from this release type: encrypter */
+    /* Excluded from this release type: userSpecifiedAuthSource */
+    /* Excluded from this release type: userSpecifiedReplicaSet */
+    /**
+     * # NOTE ABOUT TLS Options
+     *
+     * If set TLS enabled, equivalent to setting the ssl option.
+     *
+     * ### Additional options:
+     *
+     * |    nodejs option     | MongoDB equivalent                                       | type                                   |
+     * |:---------------------|--------------------------------------------------------- |:---------------------------------------|
+     * | `ca`                 | `sslCA`, `tlsCAFile`                                     | `string \| Buffer \| Buffer[]`         |
+     * | `crl`                | `sslCRL`                                                 | `string \| Buffer \| Buffer[]`         |
+     * | `cert`               | `sslCert`, `tlsCertificateFile`, `tlsCertificateKeyFile` | `string \| Buffer \| Buffer[]`         |
+     * | `key`                | `sslKey`, `tlsCertificateKeyFile`                        | `string \| Buffer \| KeyObject[]`      |
+     * | `passphrase`         | `sslPass`, `tlsCertificateKeyFilePassword`               | `string`                               |
+     * | `rejectUnauthorized` | `sslValidate`                                            | `boolean`                              |
+     *
+     */
+    tls: boolean;
+    /* Excluded from this release type: __index */
+}
+
+/**
+ * An error used when attempting to parse a value (like a connection string)
+ * @public
+ * @category Error
+ */
+export declare class MongoParseError extends MongoDriverError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when the driver encounters unexpected input
+ * or reaches an unexpected/invalid internal state
+ *
+ * @privateRemarks
+ * Should **never** be directly instantiated.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoRuntimeError extends MongoDriverError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when an attempt is made to operate
+ * on a closed/closing server.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoServerClosedError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/**
+ * An error coming from the mongo server
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoServerError extends MongoError {
+    codeName?: string;
+    writeConcernError?: Document;
+    errInfo?: Document;
+    ok?: number;
+    [key: string]: any;
+    constructor(message: ErrorDescription);
+    get name(): string;
+}
+
+/**
+ * An error signifying a client-side server selection error
+ * @public
+ * @category Error
+ */
+export declare class MongoServerSelectionError extends MongoSystemError {
+    constructor(message: string, reason: TopologyDescription);
+    get name(): string;
+}
+
+/**
+ * An error signifying a general system issue
+ * @public
+ * @category Error
+ */
+export declare class MongoSystemError extends MongoError {
+    /** An optional reason context, such as an error saved during flow of monitoring and selecting servers */
+    reason?: TopologyDescription;
+    constructor(message: string, reason: TopologyDescription);
+    get name(): string;
+}
+
+/**
+ * An error thrown when the user calls a function or method not supported on a tailable cursor
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoTailableCursorError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when an attempt is made to operate on a
+ * dropped, or otherwise unavailable, database.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoTopologyClosedError extends MongoAPIError {
+    constructor(message?: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when the user makes a mistake in the usage of transactions.
+ * (e.g. attempting to commit a transaction with a readPreference other than primary)
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoTransactionError extends MongoAPIError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error generated when a **parsable** unexpected response comes from the server.
+ * This is generally an error where the driver in a state expecting a certain behavior to occur in
+ * the next message from MongoDB but it receives something else.
+ * This error **does not** represent an issue with wire message formatting.
+ *
+ * #### Example
+ * When an operation fails, it is the driver's job to retry it. It must perform serverSelection
+ * again to make sure that it attempts the operation against a server in a good state. If server
+ * selection returns a server that does not support retryable operations, this error is used.
+ * This scenario is unlikely as retryable support would also have been determined on the first attempt
+ * but it is possible the state change could report a selectable server that does not support retries.
+ *
+ * @public
+ * @category Error
+ */
+export declare class MongoUnexpectedServerResponseError extends MongoRuntimeError {
+    constructor(message: string);
+    get name(): string;
+}
+
+/**
+ * An error thrown when the server reports a writeConcernError
+ * @public
+ * @category Error
+ */
+export declare class MongoWriteConcernError extends MongoServerError {
+    /** The result document (provided if ok: 1) */
+    result?: Document;
+    constructor(message: ErrorDescription, result?: Document);
+    get name(): string;
+}
+
+/* Excluded from this release type: Monitor */
+
+/** @public */
+export declare type MonitorEvents = {
+    serverHeartbeatStarted(event: ServerHeartbeatStartedEvent): void;
+    serverHeartbeatSucceeded(event: ServerHeartbeatSucceededEvent): void;
+    serverHeartbeatFailed(event: ServerHeartbeatFailedEvent): void;
+    resetServer(error?: Error): void;
+    resetConnectionPool(): void;
+    close(): void;
+} & EventEmitterWithState;
+
+/** @public */
+export declare interface MonitorOptions extends Omit<ConnectionOptions, 'id' | 'generation' | 'hostAddress'> {
+    connectTimeoutMS: number;
+    heartbeatFrequencyMS: number;
+    minHeartbeatFrequencyMS: number;
+}
+
+/* Excluded from this release type: MonitorPrivate */
+
+/* Excluded from this release type: Msg */
+
+/**
+ * @public
+ * returns tuple of strings (keys to be joined on '.') that represent every path into a schema
+ * https://docs.mongodb.com/manual/tutorial/query-embedded-documents/
+ */
+export declare type NestedPaths<Type> = Type extends string | number | boolean | Date | RegExp | Buffer | Uint8Array | ((...args: any[]) => any) | {
+    _bsontype: string;
+} ? [] : Type extends ReadonlyArray<infer ArrayType> ? [] | [number, ...NestedPaths<ArrayType>] : Type extends Map<string, any> ? [string] : Type extends object ? {
+    [Key in Extract<keyof Type, string>]: Type[Key] extends Type ? [Key] : Type extends Type[Key] ? [Key] : Type[Key] extends ReadonlyArray<infer ArrayType> ? Type extends ArrayType ? [Key] : ArrayType extends Type ? [Key] : [
+    Key,
+    ...NestedPaths<Type[Key]>
+    ] : // child is not structured the same as the parent
+    [
+    Key,
+    ...NestedPaths<Type[Key]>
+    ] | [Key];
+}[Extract<keyof Type, string>] : [];
+
+/**
+ * @public
+ * returns keys (strings) for every path into a schema with a value of type
+ * https://docs.mongodb.com/manual/tutorial/query-embedded-documents/
+ */
+export declare type NestedPathsOfType<TSchema, Type> = KeysOfAType<{
+    [Property in Join<NestedPaths<TSchema>, '.'>]: PropertyType<TSchema, Property>;
+}, Type>;
+
+/**
+ * @public
+ * A type that extends Document but forbids anything that "looks like" an object id.
+ */
+export declare type NonObjectIdLikeDocument = {
+    [key in keyof ObjectIdLike]?: never;
+} & Document;
+
+/** It avoids using fields with not acceptable types @public */
+export declare type NotAcceptedFields<TSchema, FieldType> = {
+    readonly [key in KeysOfOtherType<TSchema, FieldType>]?: never;
+};
+
+/** @public */
+export declare type NumericType = IntegerType | Decimal128 | Double;
+
+/**
+ * @public
+ * @deprecated Please use `ObjectId`
+ */
+export declare const ObjectID: typeof ObjectId;
+
+export { ObjectId }
+
+/** @public */
+export declare type OneOrMore<T> = T | ReadonlyArray<T>;
+
+/** @public */
+export declare type OnlyFieldsOfType<TSchema, FieldType = any, AssignableType = FieldType> = IsAny<TSchema[keyof TSchema], Record<string, FieldType>, AcceptedFields<TSchema, FieldType, AssignableType> & NotAcceptedFields<TSchema, FieldType> & Record<string, AssignableType>>;
+
+/* Excluded from this release type: OperationDescription */
+
+/** @public */
+export declare interface OperationOptions extends BSONSerializeOptions {
+    /** Specify ClientSession for this command */
+    session?: ClientSession;
+    willRetryWrite?: boolean;
+    /** The preferred read preference (ReadPreference.primary, ReadPreference.primary_preferred, ReadPreference.secondary, ReadPreference.secondary_preferred, ReadPreference.nearest). */
+    readPreference?: ReadPreferenceLike;
+    /* Excluded from this release type: bypassPinningCheck */
+    omitReadPreference?: boolean;
+}
+
+/* Excluded from this release type: OperationParent */
+
+/**
+ * Represents a specific point in time on a server. Can be retrieved by using `db.command()`
+ * @public
+ * @see https://docs.mongodb.com/manual/reference/method/db.runCommand/#response
+ */
+export declare type OperationTime = Timestamp;
+
+/* Excluded from this release type: OpMsgOptions */
+
+/* Excluded from this release type: OpQueryOptions */
+
+/* Excluded from this release type: OpResponseOptions */
+
+/**
+ * Add an optional _id field to an object shaped type
+ * @public
+ */
+export declare type OptionalId<TSchema> = EnhancedOmit<TSchema, '_id'> & {
+    _id?: InferIdType<TSchema>;
+};
+
+/**
+ * Adds an optional _id field to an object shaped type, unless the _id field is requried on that type.
+ * In the case _id is required, this method continues to require_id.
+ *
+ * @public
+ *
+ * @privateRemarks
+ * `ObjectId extends TSchema['_id']` is a confusing ordering at first glance. Rather than ask
+ * `TSchema['_id'] extends ObjectId` which translated to "Is the _id property ObjectId?"
+ * we instead ask "Does ObjectId look like (have the same shape) as the _id?"
+ */
+export declare type OptionalUnlessRequiredId<TSchema> = TSchema extends {
+    _id: any;
+} ? TSchema : OptionalId<TSchema>;
+
+/** @public */
+export declare class OrderedBulkOperation extends BulkOperationBase {
+    constructor(collection: Collection, options: BulkWriteOptions);
+    addToOperationsList(batchType: BatchType, document: Document | UpdateStatement | DeleteStatement): this;
+}
+
+/** @public */
+export declare interface PipeOptions {
+    end?: boolean;
+}
+
+/** @public */
+export declare interface PkFactory {
+    createPk(): any;
+}
+
+/* Excluded from this release type: PoolState */
+
+/** @public */
+export declare const ProfilingLevel: Readonly<{
+    readonly off: "off";
+    readonly slowOnly: "slow_only";
+    readonly all: "all";
+}>;
+
+/** @public */
+export declare type ProfilingLevel = typeof ProfilingLevel[keyof typeof ProfilingLevel];
+
+/** @public */
+export declare type ProfilingLevelOptions = CommandOperationOptions;
+
+/**
+ * @public
+ * Projection is flexible to permit the wide array of aggregation operators
+ * @deprecated since v4.1.0: Since projections support all aggregation operations we have no plans to narrow this type further
+ */
+export declare type Projection<TSchema extends Document = Document> = Document;
+
+/**
+ * @public
+ * @deprecated since v4.1.0: Since projections support all aggregation operations we have no plans to narrow this type further
+ */
+export declare type ProjectionOperators = Document;
+
+/**
+ * Global promise store allowing user-provided promises
+ * @public
+ */
+declare class Promise_2 {
+    /** Validates the passed in promise library */
+    static validate(lib: unknown): lib is PromiseConstructor;
+    /** Sets the promise library */
+    static set(lib: PromiseConstructor): void;
+    /** Get the stored promise library, or resolves passed in */
+    static get(): PromiseConstructor;
+}
+export { Promise_2 as Promise }
+
+/** @public */
+export declare type PropertyType<Type, Property extends string> = string extends Property ? unknown : Property extends keyof Type ? Type[Property] : Property extends `${number}` ? Type extends ReadonlyArray<infer ArrayType> ? ArrayType : unknown : Property extends `${infer Key}.${infer Rest}` ? Key extends `${number}` ? Type extends ReadonlyArray<infer ArrayType> ? PropertyType<ArrayType, Rest> : unknown : Key extends keyof Type ? Type[Key] extends Map<string, infer MapType> ? MapType : PropertyType<Type[Key], Rest> : unknown : unknown;
+
+/** @public */
+export declare interface ProxyOptions {
+    proxyHost?: string;
+    proxyPort?: number;
+    proxyUsername?: string;
+    proxyPassword?: string;
+}
+
+/** @public */
+export declare type PullAllOperator<TSchema> = ({
+    readonly [key in KeysOfAType<TSchema, ReadonlyArray<any>>]?: TSchema[key];
+} & NotAcceptedFields<TSchema, ReadonlyArray<any>>) & {
+    readonly [key: string]: ReadonlyArray<any>;
+};
+
+/** @public */
+export declare type PullOperator<TSchema> = ({
+    readonly [key in KeysOfAType<TSchema, ReadonlyArray<any>>]?: Partial<Flatten<TSchema[key]>> | FilterOperations<Flatten<TSchema[key]>>;
+} & NotAcceptedFields<TSchema, ReadonlyArray<any>>) & {
+    readonly [key: string]: FilterOperators<any> | any;
+};
+
+/** @public */
+export declare type PushOperator<TSchema> = ({
+    readonly [key in KeysOfAType<TSchema, ReadonlyArray<any>>]?: Flatten<TSchema[key]> | ArrayOperator<Array<Flatten<TSchema[key]>>>;
+} & NotAcceptedFields<TSchema, ReadonlyArray<any>>) & {
+    readonly [key: string]: ArrayOperator<any> | any;
+};
+
+/* Excluded from this release type: Query */
+
+/* Excluded from this release type: QueryOptions */
+
+/**
+ * The MongoDB ReadConcern, which allows for control of the consistency and isolation properties
+ * of the data read from replica sets and replica set shards.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/reference/read-concern/index.html
+ */
+export declare class ReadConcern {
+    level: ReadConcernLevel | string;
+    /** Constructs a ReadConcern from the read concern level.*/
+    constructor(level: ReadConcernLevel);
+    /**
+     * Construct a ReadConcern given an options object.
+     *
+     * @param options - The options object from which to extract the write concern.
+     */
+    static fromOptions(options?: {
+        readConcern?: ReadConcernLike;
+        level?: ReadConcernLevel;
+    }): ReadConcern | undefined;
+    static get MAJORITY(): 'majority';
+    static get AVAILABLE(): 'available';
+    static get LINEARIZABLE(): 'linearizable';
+    static get SNAPSHOT(): 'snapshot';
+    toJSON(): Document;
+}
+
+/** @public */
+export declare const ReadConcernLevel: Readonly<{
+    readonly local: "local";
+    readonly majority: "majority";
+    readonly linearizable: "linearizable";
+    readonly available: "available";
+    readonly snapshot: "snapshot";
+}>;
+
+/** @public */
+export declare type ReadConcernLevel = typeof ReadConcernLevel[keyof typeof ReadConcernLevel];
+
+/** @public */
+export declare type ReadConcernLike = ReadConcern | {
+    level: ReadConcernLevel;
+} | ReadConcernLevel;
+
+/**
+ * The **ReadPreference** class is a class that represents a MongoDB ReadPreference and is
+ * used to construct connections.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/core/read-preference/
+ */
+export declare class ReadPreference {
+    mode: ReadPreferenceMode;
+    tags?: TagSet[];
+    hedge?: HedgeOptions;
+    maxStalenessSeconds?: number;
+    minWireVersion?: number;
+    static PRIMARY: "primary";
+    static PRIMARY_PREFERRED: "primaryPreferred";
+    static SECONDARY: "secondary";
+    static SECONDARY_PREFERRED: "secondaryPreferred";
+    static NEAREST: "nearest";
+    static primary: ReadPreference;
+    static primaryPreferred: ReadPreference;
+    static secondary: ReadPreference;
+    static secondaryPreferred: ReadPreference;
+    static nearest: ReadPreference;
+    /**
+     * @param mode - A string describing the read preference mode (primary|primaryPreferred|secondary|secondaryPreferred|nearest)
+     * @param tags - A tag set used to target reads to members with the specified tag(s). tagSet is not available if using read preference mode primary.
+     * @param options - Additional read preference options
+     */
+    constructor(mode: ReadPreferenceMode, tags?: TagSet[], options?: ReadPreferenceOptions);
+    get preference(): ReadPreferenceMode;
+    static fromString(mode: string): ReadPreference;
+    /**
+     * Construct a ReadPreference given an options object.
+     *
+     * @param options - The options object from which to extract the read preference.
+     */
+    static fromOptions(options?: ReadPreferenceFromOptions): ReadPreference | undefined;
+    /**
+     * Replaces options.readPreference with a ReadPreference instance
+     */
+    static translate(options: ReadPreferenceLikeOptions): ReadPreferenceLikeOptions;
+    /**
+     * Validate if a mode is legal
+     *
+     * @param mode - The string representing the read preference mode.
+     */
+    static isValid(mode: string): boolean;
+    /**
+     * Validate if a mode is legal
+     *
+     * @param mode - The string representing the read preference mode.
+     */
+    isValid(mode?: string): boolean;
+    /**
+     * Indicates that this readPreference needs the "secondaryOk" bit when sent over the wire
+     * @deprecated Use secondaryOk instead
+     * @see https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query
+     */
+    slaveOk(): boolean;
+    /**
+     * Indicates that this readPreference needs the "SecondaryOk" bit when sent over the wire
+     * @see https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query
+     */
+    secondaryOk(): boolean;
+    /**
+     * Check if the two ReadPreferences are equivalent
+     *
+     * @param readPreference - The read preference with which to check equality
+     */
+    equals(readPreference: ReadPreference): boolean;
+    /** Return JSON representation */
+    toJSON(): Document;
+}
+
+/** @public */
+export declare interface ReadPreferenceFromOptions extends ReadPreferenceLikeOptions {
+    session?: ClientSession;
+    readPreferenceTags?: TagSet[];
+    hedge?: HedgeOptions;
+}
+
+/** @public */
+export declare type ReadPreferenceLike = ReadPreference | ReadPreferenceMode;
+
+/** @public */
+export declare interface ReadPreferenceLikeOptions extends ReadPreferenceOptions {
+    readPreference?: ReadPreferenceLike | {
+        mode?: ReadPreferenceMode;
+        preference?: ReadPreferenceMode;
+        tags?: TagSet[];
+        maxStalenessSeconds?: number;
+    };
+}
+
+/** @public */
+export declare const ReadPreferenceMode: Readonly<{
+    readonly primary: "primary";
+    readonly primaryPreferred: "primaryPreferred";
+    readonly secondary: "secondary";
+    readonly secondaryPreferred: "secondaryPreferred";
+    readonly nearest: "nearest";
+}>;
+
+/** @public */
+export declare type ReadPreferenceMode = typeof ReadPreferenceMode[keyof typeof ReadPreferenceMode];
+
+/** @public */
+export declare interface ReadPreferenceOptions {
+    /** Max secondary read staleness in seconds, Minimum value is 90 seconds.*/
+    maxStalenessSeconds?: number;
+    /** Server mode in which the same query is dispatched in parallel to multiple replica set members. */
+    hedge?: HedgeOptions;
+}
+
+/** @public */
+export declare type ReduceFunction<TKey = ObjectId, TValue = any> = (key: TKey, values: TValue[]) => TValue;
+
+/** @public */
+export declare type RegExpOrString<T> = T extends string ? BSONRegExp | RegExp | T : T;
+
+/** @public */
+export declare type RemoveUserOptions = CommandOperationOptions;
+
+/** @public */
+export declare interface RenameOptions extends CommandOperationOptions {
+    /** Drop the target name collection if it previously exists. */
+    dropTarget?: boolean;
+    /** Unclear */
+    new_collection?: boolean;
+}
+
+/** @public */
+export declare interface ReplaceOneModel<TSchema extends Document = Document> {
+    /** The filter to limit the replaced document. */
+    filter: Filter<TSchema>;
+    /** The document with which to replace the matched document. */
+    replacement: WithoutId<TSchema>;
+    /** Specifies a collation. */
+    collation?: CollationOptions;
+    /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+    hint?: Hint;
+    /** When true, creates a new document if no document matches the query. */
+    upsert?: boolean;
+}
+
+/** @public */
+export declare interface ReplaceOptions extends CommandOperationOptions {
+    /** If true, allows the write to opt-out of document level validation */
+    bypassDocumentValidation?: boolean;
+    /** Specifies a collation */
+    collation?: CollationOptions;
+    /** Specify that the update query should only consider plans using the hinted index */
+    hint?: string | Document;
+    /** When true, creates a new document if no document matches the query */
+    upsert?: boolean;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+}
+
+/* Excluded from this release type: Response */
+
+/**
+ * @public
+ * @deprecated Please use the ChangeStreamCursorOptions type instead.
+ */
+export declare interface ResumeOptions {
+    startAtOperationTime?: Timestamp;
+    batchSize?: number;
+    maxAwaitTimeMS?: number;
+    collation?: CollationOptions;
+    readPreference?: ReadPreference;
+    resumeAfter?: ResumeToken;
+    startAfter?: ResumeToken;
+    fullDocument?: string;
+}
+
+/**
+ * Represents the logical starting point for a new ChangeStream or resuming a ChangeStream on the server.
+ * @see https://www.mongodb.com/docs/manual/changeStreams/#std-label-change-stream-resume
+ * @public
+ */
+export declare type ResumeToken = unknown;
+
+/** @public */
+export declare const ReturnDocument: Readonly<{
+    readonly BEFORE: "before";
+    readonly AFTER: "after";
+}>;
+
+/** @public */
+export declare type ReturnDocument = typeof ReturnDocument[keyof typeof ReturnDocument];
+
+/** @public */
+export declare interface RoleSpecification {
+    /**
+     * A role grants privileges to perform sets of actions on defined resources.
+     * A given role applies to the database on which it is defined and can grant access down to a collection level of granularity.
+     */
+    role: string;
+    /** The database this user's role should effect. */
+    db: string;
+}
+
+/** @public */
+export declare interface RootFilterOperators<TSchema> extends Document {
+    $and?: Filter<TSchema>[];
+    $nor?: Filter<TSchema>[];
+    $or?: Filter<TSchema>[];
+    $text?: {
+        $search: string;
+        $language?: string;
+        $caseSensitive?: boolean;
+        $diacriticSensitive?: boolean;
+    };
+    $where?: string | ((this: TSchema) => boolean);
+    $comment?: string | Document;
+}
+
+/* Excluded from this release type: RTTPinger */
+
+/* Excluded from this release type: RTTPingerOptions */
+
+/** @public */
+export declare type RunCommandOptions = CommandOperationOptions;
+
+/** @public */
+export declare type SchemaMember<T, V> = {
+    [P in keyof T]?: V;
+} | {
+    [key: string]: V;
+};
+
+/** @public */
+export declare interface SelectServerOptions {
+    readPreference?: ReadPreferenceLike;
+    /** How long to block for server selection before throwing an error */
+    serverSelectionTimeoutMS?: number;
+    session?: ClientSession;
+}
+
+/* Excluded from this release type: serialize */
+
+/* Excluded from this release type: Server */
+
+/** @public */
+export declare interface ServerApi {
+    version: ServerApiVersion;
+    strict?: boolean;
+    deprecationErrors?: boolean;
+}
+
+/** @public */
+export declare const ServerApiVersion: Readonly<{
+    readonly v1: "1";
+}>;
+
+/** @public */
+export declare type ServerApiVersion = typeof ServerApiVersion[keyof typeof ServerApiVersion];
+
+/** @public */
+export declare class ServerCapabilities {
+    maxWireVersion: number;
+    minWireVersion: number;
+    constructor(hello: Document);
+    get hasAggregationCursor(): boolean;
+    get hasWriteCommands(): boolean;
+    get hasTextSearch(): boolean;
+    get hasAuthCommands(): boolean;
+    get hasListCollectionsCommand(): boolean;
+    get hasListIndexesCommand(): boolean;
+    get supportsSnapshotReads(): boolean;
+    get commandsTakeWriteConcern(): boolean;
+    get commandsTakeCollation(): boolean;
+}
+
+/**
+ * Emitted when server is closed.
+ * @public
+ * @category Event
+ */
+export declare class ServerClosedEvent {
+    /** A unique identifier for the topology */
+    topologyId: number;
+    /** The address (host/port pair) of the server */
+    address: string;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * The client's view of a single server, based on the most recent hello outcome.
+ *
+ * Internal type, not meant to be directly instantiated
+ * @public
+ */
+export declare class ServerDescription {
+    address: string;
+    type: ServerType;
+    hosts: string[];
+    passives: string[];
+    arbiters: string[];
+    tags: TagSet;
+    error: MongoServerError | null;
+    topologyVersion: TopologyVersion | null;
+    minWireVersion: number;
+    maxWireVersion: number;
+    roundTripTime: number;
+    lastUpdateTime: number;
+    lastWriteDate: number;
+    me: string | null;
+    primary: string | null;
+    setName: string | null;
+    setVersion: number | null;
+    electionId: ObjectId | null;
+    logicalSessionTimeoutMinutes: number | null;
+    $clusterTime?: ClusterTime;
+    /* Excluded from this release type: __constructor */
+    get hostAddress(): HostAddress;
+    get allHosts(): string[];
+    /** Is this server available for reads*/
+    get isReadable(): boolean;
+    /** Is this server data bearing */
+    get isDataBearing(): boolean;
+    /** Is this server available for writes */
+    get isWritable(): boolean;
+    get host(): string;
+    get port(): number;
+    /**
+     * Determines if another `ServerDescription` is equal to this one per the rules defined
+     * in the {@link https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#serverdescription|SDAM spec}
+     */
+    equals(other?: ServerDescription | null): boolean;
+}
+
+/**
+ * Emitted when server description changes, but does NOT include changes to the RTT.
+ * @public
+ * @category Event
+ */
+export declare class ServerDescriptionChangedEvent {
+    /** A unique identifier for the topology */
+    topologyId: number;
+    /** The address (host/port pair) of the server */
+    address: string;
+    /** The previous server description */
+    previousDescription: ServerDescription;
+    /** The new server description */
+    newDescription: ServerDescription;
+    /* Excluded from this release type: __constructor */
+}
+
+/* Excluded from this release type: ServerDescriptionOptions */
+
+/** @public */
+export declare type ServerEvents = {
+    serverHeartbeatStarted(event: ServerHeartbeatStartedEvent): void;
+    serverHeartbeatSucceeded(event: ServerHeartbeatSucceededEvent): void;
+    serverHeartbeatFailed(event: ServerHeartbeatFailedEvent): void;
+    /* Excluded from this release type: connect */
+    descriptionReceived(description: ServerDescription): void;
+    closed(): void;
+    ended(): void;
+} & ConnectionPoolEvents & EventEmitterWithState;
+
+/**
+ * Emitted when the server monitor’s hello fails, either with an “ok: 0” or a socket exception.
+ * @public
+ * @category Event
+ */
+export declare class ServerHeartbeatFailedEvent {
+    /** The connection id for the command */
+    connectionId: string;
+    /** The execution time of the event in ms */
+    duration: number;
+    /** The command failure */
+    failure: Error;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * Emitted when the server monitor’s hello command is started - immediately before
+ * the hello command is serialized into raw BSON and written to the socket.
+ *
+ * @public
+ * @category Event
+ */
+export declare class ServerHeartbeatStartedEvent {
+    /** The connection id for the command */
+    connectionId: string;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * Emitted when the server monitor’s hello succeeds.
+ * @public
+ * @category Event
+ */
+export declare class ServerHeartbeatSucceededEvent {
+    /** The connection id for the command */
+    connectionId: string;
+    /** The execution time of the event in ms */
+    duration: number;
+    /** The command reply */
+    reply: Document;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * Emitted when server is initialized.
+ * @public
+ * @category Event
+ */
+export declare class ServerOpeningEvent {
+    /** A unique identifier for the topology */
+    topologyId: number;
+    /** The address (host/port pair) of the server */
+    address: string;
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare type ServerOptions = Omit<ConnectionPoolOptions, 'id' | 'generation' | 'hostAddress'> & MonitorOptions;
+
+/* Excluded from this release type: ServerPrivate */
+
+/* Excluded from this release type: ServerSelectionCallback */
+
+/* Excluded from this release type: ServerSelectionRequest */
+
+/** @public */
+export declare type ServerSelector = (topologyDescription: TopologyDescription, servers: ServerDescription[]) => ServerDescription[];
+
+/**
+ * Reflects the existence of a session on the server. Can be reused by the session pool.
+ * WARNING: not meant to be instantiated directly. For internal use only.
+ * @public
+ */
+export declare class ServerSession {
+    id: ServerSessionId;
+    lastUse: number;
+    txnNumber: number;
+    isDirty: boolean;
+    /* Excluded from this release type: __constructor */
+    /**
+     * Determines if the server session has timed out.
+     *
+     * @param sessionTimeoutMinutes - The server's "logicalSessionTimeoutMinutes"
+     */
+    hasTimedOut(sessionTimeoutMinutes: number): boolean;
+    /* Excluded from this release type: clone */
+}
+
+/** @public */
+export declare type ServerSessionId = {
+    id: Binary;
+};
+
+/* Excluded from this release type: ServerSessionPool */
+
+/**
+ * An enumeration of server types we know about
+ * @public
+ */
+export declare const ServerType: Readonly<{
+    readonly Standalone: "Standalone";
+    readonly Mongos: "Mongos";
+    readonly PossiblePrimary: "PossiblePrimary";
+    readonly RSPrimary: "RSPrimary";
+    readonly RSSecondary: "RSSecondary";
+    readonly RSArbiter: "RSArbiter";
+    readonly RSOther: "RSOther";
+    readonly RSGhost: "RSGhost";
+    readonly Unknown: "Unknown";
+    readonly LoadBalancer: "LoadBalancer";
+}>;
+
+/** @public */
+export declare type ServerType = typeof ServerType[keyof typeof ServerType];
+
+/** @public */
+export declare type SetFields<TSchema> = ({
+    readonly [key in KeysOfAType<TSchema, ReadonlyArray<any> | undefined>]?: OptionalId<Flatten<TSchema[key]>> | AddToSetOperators<Array<OptionalId<Flatten<TSchema[key]>>>>;
+} & NotAcceptedFields<TSchema, ReadonlyArray<any> | undefined>) & {
+    readonly [key: string]: AddToSetOperators<any> | any;
+};
+
+/** @public */
+export declare type SetProfilingLevelOptions = CommandOperationOptions;
+
+/** @public */
+export declare type Sort = string | Exclude<SortDirection, {
+    $meta: string;
+}> | string[] | {
+    [key: string]: SortDirection;
+} | Map<string, SortDirection> | [string, SortDirection][] | [string, SortDirection];
+
+/** @public */
+export declare type SortDirection = 1 | -1 | 'asc' | 'desc' | 'ascending' | 'descending' | {
+    $meta: string;
+};
+
+/* Excluded from this release type: SortDirectionForCmd */
+
+/* Excluded from this release type: SortForCmd */
+
+/* Excluded from this release type: SrvPoller */
+
+/* Excluded from this release type: SrvPollerEvents */
+
+/* Excluded from this release type: SrvPollerOptions */
+
+/* Excluded from this release type: SrvPollingEvent */
+
+/** @public */
+export declare type Stream = Socket | TLSSocket;
+
+/** @public */
+export declare class StreamDescription {
+    address: string;
+    type: string;
+    minWireVersion?: number;
+    maxWireVersion?: number;
+    maxBsonObjectSize: number;
+    maxMessageSizeBytes: number;
+    maxWriteBatchSize: number;
+    compressors: CompressorName[];
+    compressor?: CompressorName;
+    logicalSessionTimeoutMinutes?: number;
+    loadBalanced: boolean;
+    __nodejs_mock_server__?: boolean;
+    zlibCompressionLevel?: number;
+    constructor(address: string, options?: StreamDescriptionOptions);
+    receiveResponse(response: Document | null): void;
+}
+
+/** @public */
+export declare interface StreamDescriptionOptions {
+    compressors?: CompressorName[];
+    logicalSessionTimeoutMinutes?: number;
+    loadBalanced: boolean;
+}
+
+/** @public */
+export declare type SupportedNodeConnectionOptions = SupportedTLSConnectionOptions & SupportedTLSSocketOptions & SupportedSocketOptions;
+
+/** @public */
+export declare type SupportedSocketOptions = Pick<TcpNetConnectOpts, typeof LEGAL_TCP_SOCKET_OPTIONS[number]>;
+
+/** @public */
+export declare type SupportedTLSConnectionOptions = Pick<ConnectionOptions_2, Extract<keyof ConnectionOptions_2, typeof LEGAL_TLS_SOCKET_OPTIONS[number]>>;
+
+/** @public */
+export declare type SupportedTLSSocketOptions = Pick<TLSSocketOptions, Extract<keyof TLSSocketOptions, typeof LEGAL_TLS_SOCKET_OPTIONS[number]>>;
+
+/** @public */
+export declare type TagSet = {
+    [key: string]: string;
+};
+
+/* Excluded from this release type: TimerQueue */
+
+/** @public
+ * Configuration options for timeseries collections
+ * @see https://docs.mongodb.com/manual/core/timeseries-collections/
+ */
+export declare interface TimeSeriesCollectionOptions extends Document {
+    timeField: string;
+    metaField?: string;
+    granularity?: 'seconds' | 'minutes' | 'hours' | string;
+}
+
+export { Timestamp }
+
+/* Excluded from this release type: Topology */
+
+/**
+ * Emitted when topology is closed.
+ * @public
+ * @category Event
+ */
+export declare class TopologyClosedEvent {
+    /** A unique identifier for the topology */
+    topologyId: number;
+    /* Excluded from this release type: __constructor */
+}
+
+/**
+ * Representation of a deployment of servers
+ * @public
+ */
+export declare class TopologyDescription {
+    type: TopologyType;
+    setName: string | null;
+    maxSetVersion: number | null;
+    maxElectionId: ObjectId | null;
+    servers: Map<string, ServerDescription>;
+    stale: boolean;
+    compatible: boolean;
+    compatibilityError?: string;
+    logicalSessionTimeoutMinutes: number | null;
+    heartbeatFrequencyMS: number;
+    localThresholdMS: number;
+    commonWireVersion: number;
+    /**
+     * Create a TopologyDescription
+     */
+    constructor(topologyType: TopologyType, serverDescriptions?: Map<string, ServerDescription> | null, setName?: string | null, maxSetVersion?: number | null, maxElectionId?: ObjectId | null, commonWireVersion?: number | null, options?: TopologyDescriptionOptions | null);
+    /* Excluded from this release type: updateFromSrvPollingEvent */
+    /* Excluded from this release type: update */
+    get error(): MongoServerError | null;
+    /**
+     * Determines if the topology description has any known servers
+     */
+    get hasKnownServers(): boolean;
+    /**
+     * Determines if this topology description has a data-bearing server available.
+     */
+    get hasDataBearingServers(): boolean;
+    /* Excluded from this release type: hasServer */
+}
+
+/**
+ * Emitted when topology description changes.
+ * @public
+ * @category Event
+ */
+export declare class TopologyDescriptionChangedEvent {
+    /** A unique identifier for the topology */
+    topologyId: number;
+    /** The old topology description */
+    previousDescription: TopologyDescription;
+    /** The new topology description */
+    newDescription: TopologyDescription;
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare interface TopologyDescriptionOptions {
+    heartbeatFrequencyMS?: number;
+    localThresholdMS?: number;
+}
+
+/** @public */
+export declare type TopologyEvents = {
+    /* Excluded from this release type: connect */
+    serverOpening(event: ServerOpeningEvent): void;
+    serverClosed(event: ServerClosedEvent): void;
+    serverDescriptionChanged(event: ServerDescriptionChangedEvent): void;
+    topologyClosed(event: TopologyClosedEvent): void;
+    topologyOpening(event: TopologyOpeningEvent): void;
+    topologyDescriptionChanged(event: TopologyDescriptionChangedEvent): void;
+    error(error: Error): void;
+    /* Excluded from this release type: open */
+    close(): void;
+    timeout(): void;
+} & Omit<ServerEvents, 'connect'> & ConnectionPoolEvents & ConnectionEvents & EventEmitterWithState;
+
+/**
+ * Emitted when topology is initialized.
+ * @public
+ * @category Event
+ */
+export declare class TopologyOpeningEvent {
+    /** A unique identifier for the topology */
+    topologyId: number;
+    /* Excluded from this release type: __constructor */
+}
+
+/** @public */
+export declare interface TopologyOptions extends BSONSerializeOptions, ServerOptions {
+    srvMaxHosts: number;
+    srvServiceName: string;
+    hosts: HostAddress[];
+    retryWrites: boolean;
+    retryReads: boolean;
+    /** How long to block for server selection before throwing an error */
+    serverSelectionTimeoutMS: number;
+    /** The name of the replica set to connect to */
+    replicaSet?: string;
+    srvHost?: string;
+    /* Excluded from this release type: srvPoller */
+    /** Indicates that a client should directly connect to a node without attempting to discover its topology type */
+    directConnection: boolean;
+    loadBalanced: boolean;
+    metadata: ClientMetadata;
+    /** MongoDB server API version */
+    serverApi?: ServerApi;
+    /* Excluded from this release type: __index */
+}
+
+/* Excluded from this release type: TopologyPrivate */
+
+/**
+ * An enumeration of topology types we know about
+ * @public
+ */
+export declare const TopologyType: Readonly<{
+    readonly Single: "Single";
+    readonly ReplicaSetNoPrimary: "ReplicaSetNoPrimary";
+    readonly ReplicaSetWithPrimary: "ReplicaSetWithPrimary";
+    readonly Sharded: "Sharded";
+    readonly Unknown: "Unknown";
+    readonly LoadBalanced: "LoadBalanced";
+}>;
+
+/** @public */
+export declare type TopologyType = typeof TopologyType[keyof typeof TopologyType];
+
+/** @public */
+export declare interface TopologyVersion {
+    processId: ObjectId;
+    counter: Long;
+}
+
+/**
+ * @public
+ * A class maintaining state related to a server transaction. Internal Only
+ */
+export declare class Transaction {
+    /* Excluded from this release type: state */
+    options: TransactionOptions;
+    /* Excluded from this release type: _pinnedServer */
+    /* Excluded from this release type: _recoveryToken */
+    /* Excluded from this release type: __constructor */
+    /* Excluded from this release type: server */
+    get recoveryToken(): Document | undefined;
+    get isPinned(): boolean;
+    /** @returns Whether the transaction has started */
+    get isStarting(): boolean;
+    /**
+     * @returns Whether this session is presently in a transaction
+     */
+    get isActive(): boolean;
+    get isCommitted(): boolean;
+    /* Excluded from this release type: transition */
+    /* Excluded from this release type: pinServer */
+    /* Excluded from this release type: unpinServer */
+}
+
+/**
+ * Configuration options for a transaction.
+ * @public
+ */
+export declare interface TransactionOptions extends CommandOperationOptions {
+    /** A default read concern for commands in this transaction */
+    readConcern?: ReadConcernLike;
+    /** A default writeConcern for commands in this transaction */
+    writeConcern?: WriteConcern;
+    /** A default read preference for commands in this transaction */
+    readPreference?: ReadPreference;
+    /** Specifies the maximum amount of time to allow a commit action on a transaction to run in milliseconds */
+    maxCommitTimeMS?: number;
+}
+
+/* Excluded from this release type: TxnState */
+
+/**
+ * Typescript type safe event emitter
+ * @public
+ */
+export declare interface TypedEventEmitter<Events extends EventsDescription> extends EventEmitter {
+    addListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    addListener(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    addListener(event: string | symbol, listener: GenericListener): this;
+    on<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    on(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    on(event: string | symbol, listener: GenericListener): this;
+    once<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    once(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    once(event: string | symbol, listener: GenericListener): this;
+    removeListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    removeListener(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    removeListener(event: string | symbol, listener: GenericListener): this;
+    off<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    off(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    off(event: string | symbol, listener: GenericListener): this;
+    removeAllListeners<EventKey extends keyof Events>(event?: EventKey | CommonEvents | symbol | string): this;
+    listeners<EventKey extends keyof Events>(event: EventKey | CommonEvents | symbol | string): Events[EventKey][];
+    rawListeners<EventKey extends keyof Events>(event: EventKey | CommonEvents | symbol | string): Events[EventKey][];
+    emit<EventKey extends keyof Events>(event: EventKey | symbol, ...args: Parameters<Events[EventKey]>): boolean;
+    listenerCount<EventKey extends keyof Events>(type: EventKey | CommonEvents | symbol | string): number;
+    prependListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    prependListener(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    prependListener(event: string | symbol, listener: GenericListener): this;
+    prependOnceListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+    prependOnceListener(event: CommonEvents, listener: (eventName: string | symbol, listener: GenericListener) => void): this;
+    prependOnceListener(event: string | symbol, listener: GenericListener): this;
+    eventNames(): string[];
+    getMaxListeners(): number;
+    setMaxListeners(n: number): this;
+}
+
+/**
+ * Typescript type safe event emitter
+ * @public
+ */
+export declare class TypedEventEmitter<Events extends EventsDescription> extends EventEmitter {
+}
+
+/** @public */
+export declare class UnorderedBulkOperation extends BulkOperationBase {
+    constructor(collection: Collection, options: BulkWriteOptions);
+    handleWriteError(callback: Callback, writeResult: BulkWriteResult): boolean;
+    addToOperationsList(batchType: BatchType, document: Document | UpdateStatement | DeleteStatement): this;
+}
+
+/** @public */
+export declare interface UpdateDescription<TSchema extends Document = Document> {
+    /**
+     * A document containing key:value pairs of names of the fields that were
+     * changed, and the new value for those fields.
+     */
+    updatedFields?: Partial<TSchema>;
+    /**
+     * An array of field names that were removed from the document.
+     */
+    removedFields?: string[];
+    /**
+     * An array of documents which record array truncations performed with pipeline-based updates using one or more of the following stages:
+     * - $addFields
+     * - $set
+     * - $replaceRoot
+     * - $replaceWith
+     */
+    truncatedArrays?: Array<{
+        /** The name of the truncated field. */
+        field: string;
+        /** The number of elements in the truncated array. */
+        newSize: number;
+    }>;
+}
+
+/** @public */
+export declare type UpdateFilter<TSchema> = {
+    $currentDate?: OnlyFieldsOfType<TSchema, Date | Timestamp, true | {
+        $type: 'date' | 'timestamp';
+    }>;
+    $inc?: OnlyFieldsOfType<TSchema, NumericType | undefined>;
+    $min?: MatchKeysAndValues<TSchema>;
+    $max?: MatchKeysAndValues<TSchema>;
+    $mul?: OnlyFieldsOfType<TSchema, NumericType | undefined>;
+    $rename?: Record<string, string>;
+    $set?: MatchKeysAndValues<TSchema>;
+    $setOnInsert?: MatchKeysAndValues<TSchema>;
+    $unset?: OnlyFieldsOfType<TSchema, any, '' | true | 1>;
+    $addToSet?: SetFields<TSchema>;
+    $pop?: OnlyFieldsOfType<TSchema, ReadonlyArray<any>, 1 | -1>;
+    $pull?: PullOperator<TSchema>;
+    $push?: PushOperator<TSchema>;
+    $pullAll?: PullAllOperator<TSchema>;
+    $bit?: OnlyFieldsOfType<TSchema, NumericType | undefined, {
+        and: IntegerType;
+    } | {
+        or: IntegerType;
+    } | {
+        xor: IntegerType;
+    }>;
+} & Document;
+
+/** @public */
+export declare interface UpdateManyModel<TSchema extends Document = Document> {
+    /** The filter to limit the updated documents. */
+    filter: Filter<TSchema>;
+    /** A document or pipeline containing update operators. */
+    update: UpdateFilter<TSchema> | UpdateFilter<TSchema>[];
+    /** A set of filters specifying to which array elements an update should apply. */
+    arrayFilters?: Document[];
+    /** Specifies a collation. */
+    collation?: CollationOptions;
+    /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+    hint?: Hint;
+    /** When true, creates a new document if no document matches the query. */
+    upsert?: boolean;
+}
+
+/** @public */
+export declare interface UpdateOneModel<TSchema extends Document = Document> {
+    /** The filter to limit the updated documents. */
+    filter: Filter<TSchema>;
+    /** A document or pipeline containing update operators. */
+    update: UpdateFilter<TSchema> | UpdateFilter<TSchema>[];
+    /** A set of filters specifying to which array elements an update should apply. */
+    arrayFilters?: Document[];
+    /** Specifies a collation. */
+    collation?: CollationOptions;
+    /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+    hint?: Hint;
+    /** When true, creates a new document if no document matches the query. */
+    upsert?: boolean;
+}
+
+/** @public */
+export declare interface UpdateOptions extends CommandOperationOptions {
+    /** A set of filters specifying to which array elements an update should apply */
+    arrayFilters?: Document[];
+    /** If true, allows the write to opt-out of document level validation */
+    bypassDocumentValidation?: boolean;
+    /** Specifies a collation */
+    collation?: CollationOptions;
+    /** Specify that the update query should only consider plans using the hinted index */
+    hint?: string | Document;
+    /** When true, creates a new document if no document matches the query */
+    upsert?: boolean;
+    /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+    let?: Document;
+}
+
+/** @public */
+export declare interface UpdateResult {
+    /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+    acknowledged: boolean;
+    /** The number of documents that matched the filter */
+    matchedCount: number;
+    /** The number of documents that were modified */
+    modifiedCount: number;
+    /** The number of documents that were upserted */
+    upsertedCount: number;
+    /** The identifier of the inserted document if an upsert took place */
+    upsertedId: ObjectId;
+}
+
+/** @public */
+export declare interface UpdateStatement {
+    /** The query that matches documents to update. */
+    q: Document;
+    /** The modifications to apply. */
+    u: Document | Document[];
+    /**  If true, perform an insert if no documents match the query. */
+    upsert?: boolean;
+    /** If true, updates all documents that meet the query criteria. */
+    multi?: boolean;
+    /** Specifies the collation to use for the operation. */
+    collation?: CollationOptions;
+    /** An array of filter documents that determines which array elements to modify for an update operation on an array field. */
+    arrayFilters?: Document[];
+    /** A document or string that specifies the index to use to support the query predicate. */
+    hint?: Hint;
+}
+
+/** @public */
+export declare interface ValidateCollectionOptions extends CommandOperationOptions {
+    /** Validates a collection in the background, without interrupting read or write traffic (only in MongoDB 4.4+) */
+    background?: boolean;
+}
+
+/** @public */
+export declare type W = number | 'majority';
+
+/* Excluded from this release type: WaitQueueMember */
+
+/** @public */
+export declare interface WiredTigerData extends Document {
+    LSM: {
+        'bloom filter false positives': number;
+        'bloom filter hits': number;
+        'bloom filter misses': number;
+        'bloom filter pages evicted from cache': number;
+        'bloom filter pages read into cache': number;
+        'bloom filters in the LSM tree': number;
+        'chunks in the LSM tree': number;
+        'highest merge generation in the LSM tree': number;
+        'queries that could have benefited from a Bloom filter that did not exist': number;
+        'sleep for LSM checkpoint throttle': number;
+        'sleep for LSM merge throttle': number;
+        'total size of bloom filters': number;
+    } & Document;
+    'block-manager': {
+        'allocations requiring file extension': number;
+        'blocks allocated': number;
+        'blocks freed': number;
+        'checkpoint size': number;
+        'file allocation unit size': number;
+        'file bytes available for reuse': number;
+        'file magic number': number;
+        'file major version number': number;
+        'file size in bytes': number;
+        'minor version number': number;
+    };
+    btree: {
+        'btree checkpoint generation': number;
+        'column-store fixed-size leaf pages': number;
+        'column-store internal pages': number;
+        'column-store variable-size RLE encoded values': number;
+        'column-store variable-size deleted values': number;
+        'column-store variable-size leaf pages': number;
+        'fixed-record size': number;
+        'maximum internal page key size': number;
+        'maximum internal page size': number;
+        'maximum leaf page key size': number;
+        'maximum leaf page size': number;
+        'maximum leaf page value size': number;
+        'maximum tree depth': number;
+        'number of key/value pairs': number;
+        'overflow pages': number;
+        'pages rewritten by compaction': number;
+        'row-store internal pages': number;
+        'row-store leaf pages': number;
+    } & Document;
+    cache: {
+        'bytes currently in the cache': number;
+        'bytes read into cache': number;
+        'bytes written from cache': number;
+        'checkpoint blocked page eviction': number;
+        'data source pages selected for eviction unable to be evicted': number;
+        'hazard pointer blocked page eviction': number;
+        'in-memory page passed criteria to be split': number;
+        'in-memory page splits': number;
+        'internal pages evicted': number;
+        'internal pages split during eviction': number;
+        'leaf pages split during eviction': number;
+        'modified pages evicted': number;
+        'overflow pages read into cache': number;
+        'overflow values cached in memory': number;
+        'page split during eviction deepened the tree': number;
+        'page written requiring lookaside records': number;
+        'pages read into cache': number;
+        'pages read into cache requiring lookaside entries': number;
+        'pages requested from the cache': number;
+        'pages written from cache': number;
+        'pages written requiring in-memory restoration': number;
+        'tracked dirty bytes in the cache': number;
+        'unmodified pages evicted': number;
+    } & Document;
+    cache_walk: {
+        'Average difference between current eviction generation when the page was last considered': number;
+        'Average on-disk page image size seen': number;
+        'Clean pages currently in cache': number;
+        'Current eviction generation': number;
+        'Dirty pages currently in cache': number;
+        'Entries in the root page': number;
+        'Internal pages currently in cache': number;
+        'Leaf pages currently in cache': number;
+        'Maximum difference between current eviction generation when the page was last considered': number;
+        'Maximum page size seen': number;
+        'Minimum on-disk page image size seen': number;
+        'On-disk page image sizes smaller than a single allocation unit': number;
+        'Pages created in memory and never written': number;
+        'Pages currently queued for eviction': number;
+        'Pages that could not be queued for eviction': number;
+        'Refs skipped during cache traversal': number;
+        'Size of the root page': number;
+        'Total number of pages currently in cache': number;
+    } & Document;
+    compression: {
+        'compressed pages read': number;
+        'compressed pages written': number;
+        'page written failed to compress': number;
+        'page written was too small to compress': number;
+        'raw compression call failed, additional data available': number;
+        'raw compression call failed, no additional data available': number;
+        'raw compression call succeeded': number;
+    } & Document;
+    cursor: {
+        'bulk-loaded cursor-insert calls': number;
+        'create calls': number;
+        'cursor-insert key and value bytes inserted': number;
+        'cursor-remove key bytes removed': number;
+        'cursor-update value bytes updated': number;
+        'insert calls': number;
+        'next calls': number;
+        'prev calls': number;
+        'remove calls': number;
+        'reset calls': number;
+        'restarted searches': number;
+        'search calls': number;
+        'search near calls': number;
+        'truncate calls': number;
+        'update calls': number;
+    };
+    reconciliation: {
+        'dictionary matches': number;
+        'fast-path pages deleted': number;
+        'internal page key bytes discarded using suffix compression': number;
+        'internal page multi-block writes': number;
+        'internal-page overflow keys': number;
+        'leaf page key bytes discarded using prefix compression': number;
+        'leaf page multi-block writes': number;
+        'leaf-page overflow keys': number;
+        'maximum blocks required for a page': number;
+        'overflow values written': number;
+        'page checksum matches': number;
+        'page reconciliation calls': number;
+        'page reconciliation calls for eviction': number;
+        'pages deleted': number;
+    } & Document;
+}
+
+/* Excluded from this release type: WithConnectionCallback */
+
+/** Add an _id field to an object shaped type @public */
+export declare type WithId<TSchema> = EnhancedOmit<TSchema, '_id'> & {
+    _id: InferIdType<TSchema>;
+};
+
+/** Remove the _id field from an object shaped type @public */
+export declare type WithoutId<TSchema> = Omit<TSchema, '_id'>;
+
+/** @public */
+export declare type WithSessionCallback = (session: ClientSession) => Promise<any>;
+
+/** @public */
+export declare type WithTransactionCallback<T = void> = (session: ClientSession) => Promise<T>;
+
+/**
+ * A MongoDB WriteConcern, which describes the level of acknowledgement
+ * requested from MongoDB for write operations.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/reference/write-concern/
+ */
+export declare class WriteConcern {
+    /** request acknowledgment that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags. */
+    w?: W;
+    /** specify a time limit to prevent write operations from blocking indefinitely */
+    wtimeout?: number;
+    /** request acknowledgment that the write operation has been written to the on-disk journal */
+    j?: boolean;
+    /** equivalent to the j option */
+    fsync?: boolean | 1;
+    /**
+     * Constructs a WriteConcern from the write concern properties.
+     * @param w - request acknowledgment that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags.
+     * @param wtimeout - specify a time limit to prevent write operations from blocking indefinitely
+     * @param j - request acknowledgment that the write operation has been written to the on-disk journal
+     * @param fsync - equivalent to the j option
+     */
+    constructor(w?: W, wtimeout?: number, j?: boolean, fsync?: boolean | 1);
+    /** Construct a WriteConcern given an options object. */
+    static fromOptions(options?: WriteConcernOptions | WriteConcern | W, inherit?: WriteConcernOptions | WriteConcern): WriteConcern | undefined;
+}
+
+/**
+ * An error representing a failure by the server to apply the requested write concern to the bulk operation.
+ * @public
+ * @category Error
+ */
+export declare class WriteConcernError {
+    /* Excluded from this release type: [kServerError] */
+    constructor(error: WriteConcernErrorData);
+    /** Write concern error code. */
+    get code(): number | undefined;
+    /** Write concern error message. */
+    get errmsg(): string | undefined;
+    /** Write concern error info. */
+    get errInfo(): Document | undefined;
+    /** @deprecated The `err` prop that contained a MongoServerError has been deprecated. */
+    get err(): WriteConcernErrorData;
+    toJSON(): WriteConcernErrorData;
+    toString(): string;
+}
+
+/** @public */
+export declare interface WriteConcernErrorData {
+    code: number;
+    errmsg: string;
+    errInfo?: Document;
+}
+
+/** @public */
+export declare interface WriteConcernOptions {
+    /** Write Concern as an object */
+    writeConcern?: WriteConcern | WriteConcernSettings;
+}
+
+/** @public */
+export declare interface WriteConcernSettings {
+    /** The write concern */
+    w?: W;
+    /** The write concern timeout */
+    wtimeoutMS?: number;
+    /** The journal write concern */
+    journal?: boolean;
+    /** The journal write concern */
+    j?: boolean;
+    /** The write concern timeout */
+    wtimeout?: number;
+    /** The file sync write concern */
+    fsync?: boolean | 1;
+}
+
+/**
+ * An error that occurred during a BulkWrite on the server.
+ * @public
+ * @category Error
+ */
+export declare class WriteError {
+    err: BulkWriteOperationError;
+    constructor(err: BulkWriteOperationError);
+    /** WriteError code. */
+    get code(): number;
+    /** WriteError original bulk operation index. */
+    get index(): number;
+    /** WriteError message. */
+    get errmsg(): string | undefined;
+    /** WriteError details. */
+    get errInfo(): Document | undefined;
+    /** Returns the underlying operation that caused the error */
+    getOperation(): Document;
+    toJSON(): {
+        code: number;
+        index: number;
+        errmsg?: string;
+        op: Document;
+    };
+    toString(): string;
+}
+
+/* Excluded from this release type: WriteProtocolMessageType */
+
+export { }
diff --git a/node_modules/mongoose/node_modules/mongodb/package.json b/node_modules/mongoose/node_modules/mongodb/package.json
new file mode 100644
index 000000000..3824d4a4e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/package.json
@@ -0,0 +1,136 @@
+{
+  "name": "mongodb",
+  "version": "4.9.1",
+  "description": "The official MongoDB driver for Node.js",
+  "main": "lib/index.js",
+  "files": [
+    "lib",
+    "src",
+    "etc/prepare.js",
+    "mongodb.d.ts",
+    "tsconfig.json"
+  ],
+  "types": "mongodb.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:mongodb/node-mongodb-native.git"
+  },
+  "keywords": [
+    "mongodb",
+    "driver",
+    "official"
+  ],
+  "author": {
+    "name": "The MongoDB NodeJS Team",
+    "email": "dbx-node@mongodb.com"
+  },
+  "dependencies": {
+    "bson": "^4.7.0",
+    "denque": "^2.1.0",
+    "mongodb-connection-string-url": "^2.5.3",
+    "socks": "^2.7.0"
+  },
+  "devDependencies": {
+    "@iarna/toml": "^2.2.5",
+    "@istanbuljs/nyc-config-typescript": "^1.0.2",
+    "@microsoft/api-extractor": "^7.29.5",
+    "@microsoft/tsdoc-config": "^0.16.1",
+    "@mongodb-js/zstd": "^1.0.0",
+    "@types/chai": "^4.3.3",
+    "@types/chai-subset": "^1.3.3",
+    "@types/express": "^4.17.13",
+    "@types/kerberos": "^1.1.1",
+    "@types/mocha": "^9.1.1",
+    "@types/node": "^18.7.13",
+    "@types/saslprep": "^1.0.1",
+    "@types/semver": "^7.3.12",
+    "@types/sinon": "^10.0.11",
+    "@types/sinon-chai": "^3.2.8",
+    "@types/whatwg-url": "^8.2.2",
+    "@typescript-eslint/eslint-plugin": "^5.35.1",
+    "@typescript-eslint/parser": "^5.35.1",
+    "bluebird": "^3.7.2",
+    "chai": "^4.3.6",
+    "chai-subset": "^1.6.0",
+    "chalk": "^4.1.2",
+    "eslint": "^8.22.0",
+    "eslint-config-prettier": "^8.5.0",
+    "eslint-plugin-import": "^2.26.0",
+    "eslint-plugin-prettier": "^4.2.1",
+    "eslint-plugin-simple-import-sort": "^7.0.0",
+    "eslint-plugin-tsdoc": "^0.2.16",
+    "express": "^4.18.1",
+    "js-yaml": "^4.1.0",
+    "mocha": "^9.2.2",
+    "mocha-sinon": "^2.1.2",
+    "nyc": "^15.1.0",
+    "prettier": "^2.7.1",
+    "rimraf": "^3.0.2",
+    "semver": "^7.3.7",
+    "sinon": "^13.0.1",
+    "sinon-chai": "^3.7.0",
+    "source-map-support": "^0.5.21",
+    "standard-version": "^9.5.0",
+    "ts-node": "^10.9.1",
+    "tsd": "^0.22.0",
+    "typescript": "^4.8.2",
+    "typescript-cached-transpile": "^0.0.6",
+    "xml2js": "^0.4.23",
+    "yargs": "^17.5.1"
+  },
+  "license": "Apache-2.0",
+  "engines": {
+    "node": ">=12.9.0"
+  },
+  "bugs": {
+    "url": "https://jira.mongodb.org/projects/NODE/issues/"
+  },
+  "homepage": "https://github.com/mongodb/node-mongodb-native",
+  "optionalDependencies": {
+    "saslprep": "^1.0.3"
+  },
+  "scripts": {
+    "build:evergreen": "node .evergreen/generate_evergreen_tasks.js",
+    "build:ts": "node ./node_modules/typescript/bin/tsc",
+    "build:dts": "npm run build:ts && api-extractor run && rimraf 'lib/**/*.d.ts*'",
+    "build:docs": "./etc/docs/build.ts",
+    "build:typedoc": "typedoc",
+    "check:bench": "node test/benchmarks/driverBench",
+    "check:coverage": "nyc npm run test:all",
+    "check:integration-coverage": "nyc npm run check:test",
+    "check:lint": "npm run build:dts && npm run check:dts && npm run check:eslint && npm run check:tsd",
+    "check:eslint": "eslint -v && eslint --max-warnings=0 --ext '.js,.ts' src test",
+    "check:tsd": "tsd --version && tsd",
+    "check:dependencies": "mocha test/action/dependency.test.ts",
+    "check:dts": "node ./node_modules/typescript/bin/tsc --noEmit mongodb.d.ts && tsd",
+    "check:test": "mocha --config test/mocha_mongodb.json test/integration",
+    "check:unit": "mocha test/unit",
+    "check:ts": "node ./node_modules/typescript/bin/tsc -v && node ./node_modules/typescript/bin/tsc --noEmit",
+    "check:atlas": "mocha --config test/manual/mocharc.json test/manual/atlas_connectivity.test.js",
+    "check:adl": "mocha --config test/mocha_mongodb.json test/manual/atlas-data-lake-testing",
+    "check:aws": "mocha --config test/mocha_mongodb.json test/integration/auth/mongodb_aws.test.ts",
+    "check:ocsp": "mocha --config test/manual/mocharc.json test/manual/ocsp_support.test.js",
+    "check:kerberos": "mocha --config test/manual/mocharc.json test/manual/kerberos.test.js",
+    "check:tls": "mocha --config test/manual/mocharc.json test/manual/tls_support.test.js",
+    "check:ldap": "mocha --config test/manual/mocharc.json test/manual/ldap.test.js",
+    "check:socks5": "mocha --config test/manual/mocharc.json test/manual/socks5.test.ts",
+    "check:csfle": "mocha --config test/mocha_mongodb.json test/integration/client-side-encryption",
+    "check:snappy": "mocha test/unit/assorted/snappy.test.js",
+    "fix:eslint": "npm run check:eslint -- --fix",
+    "prepare": "node etc/prepare.js",
+    "preview:docs": "ts-node etc/docs/preview.ts",
+    "release": "standard-version -a -i HISTORY.md",
+    "test": "npm run check:lint && npm run test:all",
+    "test:all": "npm run check:unit && npm run check:test",
+    "update:docs": "npm run build:docs -- --yes"
+  },
+  "tsd": {
+    "directory": "test/types",
+    "compilerOptions": {
+      "strict": true,
+      "target": "esnext",
+      "module": "commonjs",
+      "moduleResolution": "node"
+    }
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/admin.ts b/node_modules/mongoose/node_modules/mongodb/src/admin.ts
new file mode 100644
index 000000000..303af58a7
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/admin.ts
@@ -0,0 +1,314 @@
+import type { Document } from './bson';
+import type { Db } from './db';
+import { AddUserOperation, AddUserOptions } from './operations/add_user';
+import type { CommandOperationOptions } from './operations/command';
+import { executeOperation } from './operations/execute_operation';
+import {
+  ListDatabasesOperation,
+  ListDatabasesOptions,
+  ListDatabasesResult
+} from './operations/list_databases';
+import { RemoveUserOperation, RemoveUserOptions } from './operations/remove_user';
+import { RunCommandOperation, RunCommandOptions } from './operations/run_command';
+import {
+  ValidateCollectionOperation,
+  ValidateCollectionOptions
+} from './operations/validate_collection';
+import type { Callback } from './utils';
+
+/** @internal */
+export interface AdminPrivate {
+  db: Db;
+}
+
+/**
+ * The **Admin** class is an internal class that allows convenient access to
+ * the admin functionality and commands for MongoDB.
+ *
+ * **ADMIN Cannot directly be instantiated**
+ * @public
+ *
+ * @example
+ * ```js
+ * const MongoClient = require('mongodb').MongoClient;
+ * const test = require('assert');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ *
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, client) {
+ *   // Use the admin database for the operation
+ *   const adminDb = client.db(dbName).admin();
+ *
+ *   // List all the available databases
+ *   adminDb.listDatabases(function(err, dbs) {
+ *     expect(err).to.not.exist;
+ *     test.ok(dbs.databases.length > 0);
+ *     client.close();
+ *   });
+ * });
+ * ```
+ */
+export class Admin {
+  /** @internal */
+  s: AdminPrivate;
+
+  /**
+   * Create a new Admin instance
+   * @internal
+   */
+  constructor(db: Db) {
+    this.s = { db };
+  }
+
+  /**
+   * Execute a command
+   *
+   * @param command - The command to execute
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  command(command: Document): Promise<Document>;
+  command(command: Document, callback: Callback<Document>): void;
+  command(command: Document, options: RunCommandOptions): Promise<Document>;
+  command(command: Document, options: RunCommandOptions, callback: Callback<Document>): void;
+  command(
+    command: Document,
+    options?: RunCommandOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = Object.assign({ dbName: 'admin' }, options);
+
+    return executeOperation(
+      this.s.db.s.client,
+      new RunCommandOperation(this.s.db, command, options),
+      callback
+    );
+  }
+
+  /**
+   * Retrieve the server build information
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  buildInfo(): Promise<Document>;
+  buildInfo(callback: Callback<Document>): void;
+  buildInfo(options: CommandOperationOptions): Promise<Document>;
+  buildInfo(options: CommandOperationOptions, callback: Callback<Document>): void;
+  buildInfo(
+    options?: CommandOperationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+    return this.command({ buildinfo: 1 }, options, callback as Callback<Document>);
+  }
+
+  /**
+   * Retrieve the server build information
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  serverInfo(): Promise<Document>;
+  serverInfo(callback: Callback<Document>): void;
+  serverInfo(options: CommandOperationOptions): Promise<Document>;
+  serverInfo(options: CommandOperationOptions, callback: Callback<Document>): void;
+  serverInfo(
+    options?: CommandOperationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+    return this.command({ buildinfo: 1 }, options, callback as Callback<Document>);
+  }
+
+  /**
+   * Retrieve this db's server status.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  serverStatus(): Promise<Document>;
+  serverStatus(callback: Callback<Document>): void;
+  serverStatus(options: CommandOperationOptions): Promise<Document>;
+  serverStatus(options: CommandOperationOptions, callback: Callback<Document>): void;
+  serverStatus(
+    options?: CommandOperationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+    return this.command({ serverStatus: 1 }, options, callback as Callback<Document>);
+  }
+
+  /**
+   * Ping the MongoDB server and retrieve results
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  ping(): Promise<Document>;
+  ping(callback: Callback<Document>): void;
+  ping(options: CommandOperationOptions): Promise<Document>;
+  ping(options: CommandOperationOptions, callback: Callback<Document>): void;
+  ping(
+    options?: CommandOperationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+    return this.command({ ping: 1 }, options, callback as Callback<Document>);
+  }
+
+  /**
+   * Add a user to the database
+   *
+   * @param username - The username for the new user
+   * @param password - An optional password for the new user
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  addUser(username: string): Promise<Document>;
+  addUser(username: string, callback: Callback<Document>): void;
+  addUser(username: string, password: string): Promise<Document>;
+  addUser(username: string, password: string, callback: Callback<Document>): void;
+  addUser(username: string, options: AddUserOptions): Promise<Document>;
+  addUser(username: string, options: AddUserOptions, callback: Callback<Document>): void;
+  addUser(username: string, password: string, options: AddUserOptions): Promise<Document>;
+  addUser(
+    username: string,
+    password: string,
+    options: AddUserOptions,
+    callback: Callback<Document>
+  ): void;
+  addUser(
+    username: string,
+    password?: string | AddUserOptions | Callback<Document>,
+    options?: AddUserOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof password === 'function') {
+      (callback = password), (password = undefined), (options = {});
+    } else if (typeof password !== 'string') {
+      if (typeof options === 'function') {
+        (callback = options), (options = password), (password = undefined);
+      } else {
+        (options = password), (callback = undefined), (password = undefined);
+      }
+    } else {
+      if (typeof options === 'function') (callback = options), (options = {});
+    }
+
+    options = Object.assign({ dbName: 'admin' }, options);
+
+    return executeOperation(
+      this.s.db.s.client,
+      new AddUserOperation(this.s.db, username, password, options),
+      callback
+    );
+  }
+
+  /**
+   * Remove a user from a database
+   *
+   * @param username - The username to remove
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  removeUser(username: string): Promise<boolean>;
+  removeUser(username: string, callback: Callback<boolean>): void;
+  removeUser(username: string, options: RemoveUserOptions): Promise<boolean>;
+  removeUser(username: string, options: RemoveUserOptions, callback: Callback<boolean>): void;
+  removeUser(
+    username: string,
+    options?: RemoveUserOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = Object.assign({ dbName: 'admin' }, options);
+
+    return executeOperation(
+      this.s.db.s.client,
+      new RemoveUserOperation(this.s.db, username, options),
+      callback
+    );
+  }
+
+  /**
+   * Validate an existing collection
+   *
+   * @param collectionName - The name of the collection to validate.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  validateCollection(collectionName: string): Promise<Document>;
+  validateCollection(collectionName: string, callback: Callback<Document>): void;
+  validateCollection(collectionName: string, options: ValidateCollectionOptions): Promise<Document>;
+  validateCollection(
+    collectionName: string,
+    options: ValidateCollectionOptions,
+    callback: Callback<Document>
+  ): void;
+  validateCollection(
+    collectionName: string,
+    options?: ValidateCollectionOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return executeOperation(
+      this.s.db.s.client,
+      new ValidateCollectionOperation(this, collectionName, options),
+      callback
+    );
+  }
+
+  /**
+   * List the available databases
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  listDatabases(): Promise<ListDatabasesResult>;
+  listDatabases(callback: Callback<ListDatabasesResult>): void;
+  listDatabases(options: ListDatabasesOptions): Promise<ListDatabasesResult>;
+  listDatabases(options: ListDatabasesOptions, callback: Callback<ListDatabasesResult>): void;
+  listDatabases(
+    options?: ListDatabasesOptions | Callback<ListDatabasesResult>,
+    callback?: Callback<ListDatabasesResult>
+  ): Promise<ListDatabasesResult> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return executeOperation(
+      this.s.db.s.client,
+      new ListDatabasesOperation(this.s.db, options),
+      callback
+    );
+  }
+
+  /**
+   * Get ReplicaSet status
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  replSetGetStatus(): Promise<Document>;
+  replSetGetStatus(callback: Callback<Document>): void;
+  replSetGetStatus(options: CommandOperationOptions): Promise<Document>;
+  replSetGetStatus(options: CommandOperationOptions, callback: Callback<Document>): void;
+  replSetGetStatus(
+    options?: CommandOperationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+    return this.command({ replSetGetStatus: 1 }, options, callback as Callback<Document>);
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/bson.ts b/node_modules/mongoose/node_modules/mongodb/src/bson.ts
new file mode 100644
index 000000000..8a6133f2a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/bson.ts
@@ -0,0 +1,116 @@
+import type {
+  calculateObjectSize as calculateObjectSizeFn,
+  deserialize as deserializeFn,
+  DeserializeOptions,
+  serialize as serializeFn,
+  SerializeOptions
+} from 'bson';
+
+/** @internal */
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+let BSON = require('bson');
+
+try {
+  // Ensure you always wrap an optional require in the try block NODE-3199
+  BSON = require('bson-ext');
+} catch {} // eslint-disable-line
+
+/** @internal */
+export const deserialize = BSON.deserialize as typeof deserializeFn;
+/** @internal */
+export const serialize = BSON.serialize as typeof serializeFn;
+/** @internal */
+export const calculateObjectSize = BSON.calculateObjectSize as typeof calculateObjectSizeFn;
+
+export {
+  Binary,
+  BSONRegExp,
+  BSONSymbol,
+  Code,
+  DBRef,
+  Decimal128,
+  Document,
+  Double,
+  Int32,
+  Long,
+  Map,
+  MaxKey,
+  MinKey,
+  ObjectId,
+  Timestamp
+} from 'bson';
+
+/** @internal */
+export { BSON };
+
+/**
+ * BSON Serialization options.
+ * @public
+ */
+export interface BSONSerializeOptions
+  extends Omit<SerializeOptions, 'index'>,
+    Omit<
+      DeserializeOptions,
+      | 'evalFunctions'
+      | 'cacheFunctions'
+      | 'cacheFunctionsCrc32'
+      | 'allowObjectSmallerThanBufferSize'
+      | 'index'
+      | 'validation'
+    > {
+  /** Return BSON filled buffers from operations */
+  raw?: boolean;
+
+  /** Enable utf8 validation when deserializing BSON documents.  Defaults to true. */
+  enableUtf8Validation?: boolean;
+}
+
+export function pluckBSONSerializeOptions(options: BSONSerializeOptions): BSONSerializeOptions {
+  const {
+    fieldsAsRaw,
+    promoteValues,
+    promoteBuffers,
+    promoteLongs,
+    serializeFunctions,
+    ignoreUndefined,
+    bsonRegExp,
+    raw,
+    enableUtf8Validation
+  } = options;
+  return {
+    fieldsAsRaw,
+    promoteValues,
+    promoteBuffers,
+    promoteLongs,
+    serializeFunctions,
+    ignoreUndefined,
+    bsonRegExp,
+    raw,
+    enableUtf8Validation
+  };
+}
+
+/**
+ * Merge the given BSONSerializeOptions, preferring options over the parent's options, and
+ * substituting defaults for values not set.
+ *
+ * @internal
+ */
+export function resolveBSONOptions(
+  options?: BSONSerializeOptions,
+  parent?: { bsonOptions?: BSONSerializeOptions }
+): BSONSerializeOptions {
+  const parentOptions = parent?.bsonOptions;
+  return {
+    raw: options?.raw ?? parentOptions?.raw ?? false,
+    promoteLongs: options?.promoteLongs ?? parentOptions?.promoteLongs ?? true,
+    promoteValues: options?.promoteValues ?? parentOptions?.promoteValues ?? true,
+    promoteBuffers: options?.promoteBuffers ?? parentOptions?.promoteBuffers ?? false,
+    ignoreUndefined: options?.ignoreUndefined ?? parentOptions?.ignoreUndefined ?? false,
+    bsonRegExp: options?.bsonRegExp ?? parentOptions?.bsonRegExp ?? false,
+    serializeFunctions: options?.serializeFunctions ?? parentOptions?.serializeFunctions ?? false,
+    fieldsAsRaw: options?.fieldsAsRaw ?? parentOptions?.fieldsAsRaw ?? {},
+    enableUtf8Validation:
+      options?.enableUtf8Validation ?? parentOptions?.enableUtf8Validation ?? true
+  };
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/bulk/common.ts b/node_modules/mongoose/node_modules/mongodb/src/bulk/common.ts
new file mode 100644
index 000000000..eaddd8448
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/bulk/common.ts
@@ -0,0 +1,1384 @@
+import {
+  BSONSerializeOptions,
+  Document,
+  Long,
+  ObjectId,
+  resolveBSONOptions,
+  Timestamp
+} from '../bson';
+import type { Collection } from '../collection';
+import {
+  AnyError,
+  MongoBatchReExecutionError,
+  MONGODB_ERROR_CODES,
+  MongoInvalidArgumentError,
+  MongoServerError,
+  MongoWriteConcernError
+} from '../error';
+import type { Filter, OneOrMore, OptionalId, UpdateFilter, WithoutId } from '../mongo_types';
+import type { CollationOptions, CommandOperationOptions } from '../operations/command';
+import { DeleteOperation, DeleteStatement, makeDeleteStatement } from '../operations/delete';
+import { executeOperation } from '../operations/execute_operation';
+import { InsertOperation } from '../operations/insert';
+import { AbstractOperation, Hint } from '../operations/operation';
+import { makeUpdateStatement, UpdateOperation, UpdateStatement } from '../operations/update';
+import { PromiseProvider } from '../promise_provider';
+import type { Server } from '../sdam/server';
+import type { Topology } from '../sdam/topology';
+import type { ClientSession } from '../sessions';
+import {
+  applyRetryableWrites,
+  Callback,
+  getTopology,
+  hasAtomicOperators,
+  MongoDBNamespace,
+  resolveOptions
+} from '../utils';
+import { WriteConcern } from '../write_concern';
+
+/** @internal */
+const kServerError = Symbol('serverError');
+
+/** @public */
+export const BatchType = Object.freeze({
+  INSERT: 1,
+  UPDATE: 2,
+  DELETE: 3
+} as const);
+
+/** @public */
+export type BatchType = typeof BatchType[keyof typeof BatchType];
+
+/** @public */
+export interface InsertOneModel<TSchema extends Document = Document> {
+  /** The document to insert. */
+  document: OptionalId<TSchema>;
+}
+
+/** @public */
+export interface DeleteOneModel<TSchema extends Document = Document> {
+  /** The filter to limit the deleted documents. */
+  filter: Filter<TSchema>;
+  /** Specifies a collation. */
+  collation?: CollationOptions;
+  /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+  hint?: Hint;
+}
+
+/** @public */
+export interface DeleteManyModel<TSchema extends Document = Document> {
+  /** The filter to limit the deleted documents. */
+  filter: Filter<TSchema>;
+  /** Specifies a collation. */
+  collation?: CollationOptions;
+  /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+  hint?: Hint;
+}
+
+/** @public */
+export interface ReplaceOneModel<TSchema extends Document = Document> {
+  /** The filter to limit the replaced document. */
+  filter: Filter<TSchema>;
+  /** The document with which to replace the matched document. */
+  replacement: WithoutId<TSchema>;
+  /** Specifies a collation. */
+  collation?: CollationOptions;
+  /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+  hint?: Hint;
+  /** When true, creates a new document if no document matches the query. */
+  upsert?: boolean;
+}
+
+/** @public */
+export interface UpdateOneModel<TSchema extends Document = Document> {
+  /** The filter to limit the updated documents. */
+  filter: Filter<TSchema>;
+  /** A document or pipeline containing update operators. */
+  update: UpdateFilter<TSchema> | UpdateFilter<TSchema>[];
+  /** A set of filters specifying to which array elements an update should apply. */
+  arrayFilters?: Document[];
+  /** Specifies a collation. */
+  collation?: CollationOptions;
+  /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+  hint?: Hint;
+  /** When true, creates a new document if no document matches the query. */
+  upsert?: boolean;
+}
+
+/** @public */
+export interface UpdateManyModel<TSchema extends Document = Document> {
+  /** The filter to limit the updated documents. */
+  filter: Filter<TSchema>;
+  /** A document or pipeline containing update operators. */
+  update: UpdateFilter<TSchema> | UpdateFilter<TSchema>[];
+  /** A set of filters specifying to which array elements an update should apply. */
+  arrayFilters?: Document[];
+  /** Specifies a collation. */
+  collation?: CollationOptions;
+  /** The index to use. If specified, then the query system will only consider plans using the hinted index. */
+  hint?: Hint;
+  /** When true, creates a new document if no document matches the query. */
+  upsert?: boolean;
+}
+
+/** @public */
+export type AnyBulkWriteOperation<TSchema extends Document = Document> =
+  | { insertOne: InsertOneModel<TSchema> }
+  | { replaceOne: ReplaceOneModel<TSchema> }
+  | { updateOne: UpdateOneModel<TSchema> }
+  | { updateMany: UpdateManyModel<TSchema> }
+  | { deleteOne: DeleteOneModel<TSchema> }
+  | { deleteMany: DeleteManyModel<TSchema> };
+
+/** @public */
+export interface BulkResult {
+  ok: number;
+  writeErrors: WriteError[];
+  writeConcernErrors: WriteConcernError[];
+  insertedIds: Document[];
+  nInserted: number;
+  nUpserted: number;
+  nMatched: number;
+  nModified: number;
+  nRemoved: number;
+  upserted: Document[];
+  opTime?: Document;
+}
+
+/**
+ * Keeps the state of a unordered batch so we can rewrite the results
+ * correctly after command execution
+ *
+ * @public
+ */
+export class Batch<T = Document> {
+  originalZeroIndex: number;
+  currentIndex: number;
+  originalIndexes: number[];
+  batchType: BatchType;
+  operations: T[];
+  size: number;
+  sizeBytes: number;
+
+  constructor(batchType: BatchType, originalZeroIndex: number) {
+    this.originalZeroIndex = originalZeroIndex;
+    this.currentIndex = 0;
+    this.originalIndexes = [];
+    this.batchType = batchType;
+    this.operations = [];
+    this.size = 0;
+    this.sizeBytes = 0;
+  }
+}
+
+/**
+ * @public
+ * The result of a bulk write.
+ */
+export class BulkWriteResult {
+  result: BulkResult;
+
+  /**
+   * Create a new BulkWriteResult instance
+   * @internal
+   */
+  constructor(bulkResult: BulkResult) {
+    this.result = bulkResult;
+  }
+
+  /** Number of documents inserted. */
+  get insertedCount(): number {
+    return this.result.nInserted ?? 0;
+  }
+  /** Number of documents matched for update. */
+  get matchedCount(): number {
+    return this.result.nMatched ?? 0;
+  }
+  /** Number of documents modified. */
+  get modifiedCount(): number {
+    return this.result.nModified ?? 0;
+  }
+  /** Number of documents deleted. */
+  get deletedCount(): number {
+    return this.result.nRemoved ?? 0;
+  }
+  /** Number of documents upserted. */
+  get upsertedCount(): number {
+    return this.result.upserted.length ?? 0;
+  }
+
+  /** Upserted document generated Id's, hash key is the index of the originating operation */
+  get upsertedIds(): { [key: number]: any } {
+    const upserted: { [index: number]: any } = {};
+    for (const doc of this.result.upserted ?? []) {
+      upserted[doc.index] = doc._id;
+    }
+    return upserted;
+  }
+
+  /** Inserted document generated Id's, hash key is the index of the originating operation */
+  get insertedIds(): { [key: number]: any } {
+    const inserted: { [index: number]: any } = {};
+    for (const doc of this.result.insertedIds ?? []) {
+      inserted[doc.index] = doc._id;
+    }
+    return inserted;
+  }
+
+  /** Evaluates to true if the bulk operation correctly executes */
+  get ok(): number {
+    return this.result.ok;
+  }
+
+  /** The number of inserted documents */
+  get nInserted(): number {
+    return this.result.nInserted;
+  }
+
+  /** Number of upserted documents */
+  get nUpserted(): number {
+    return this.result.nUpserted;
+  }
+
+  /** Number of matched documents */
+  get nMatched(): number {
+    return this.result.nMatched;
+  }
+
+  /** Number of documents updated physically on disk */
+  get nModified(): number {
+    return this.result.nModified;
+  }
+
+  /** Number of removed documents */
+  get nRemoved(): number {
+    return this.result.nRemoved;
+  }
+
+  /** Returns an array of all inserted ids */
+  getInsertedIds(): Document[] {
+    return this.result.insertedIds;
+  }
+
+  /** Returns an array of all upserted ids */
+  getUpsertedIds(): Document[] {
+    return this.result.upserted;
+  }
+
+  /** Returns the upserted id at the given index */
+  getUpsertedIdAt(index: number): Document | undefined {
+    return this.result.upserted[index];
+  }
+
+  /** Returns raw internal result */
+  getRawResponse(): Document {
+    return this.result;
+  }
+
+  /** Returns true if the bulk operation contains a write error */
+  hasWriteErrors(): boolean {
+    return this.result.writeErrors.length > 0;
+  }
+
+  /** Returns the number of write errors off the bulk operation */
+  getWriteErrorCount(): number {
+    return this.result.writeErrors.length;
+  }
+
+  /** Returns a specific write error object */
+  getWriteErrorAt(index: number): WriteError | undefined {
+    return index < this.result.writeErrors.length ? this.result.writeErrors[index] : undefined;
+  }
+
+  /** Retrieve all write errors */
+  getWriteErrors(): WriteError[] {
+    return this.result.writeErrors;
+  }
+
+  /** Retrieve lastOp if available */
+  getLastOp(): Document | undefined {
+    return this.result.opTime;
+  }
+
+  /** Retrieve the write concern error if one exists */
+  getWriteConcernError(): WriteConcernError | undefined {
+    if (this.result.writeConcernErrors.length === 0) {
+      return;
+    } else if (this.result.writeConcernErrors.length === 1) {
+      // Return the error
+      return this.result.writeConcernErrors[0];
+    } else {
+      // Combine the errors
+      let errmsg = '';
+      for (let i = 0; i < this.result.writeConcernErrors.length; i++) {
+        const err = this.result.writeConcernErrors[i];
+        errmsg = errmsg + err.errmsg;
+
+        // TODO: Something better
+        if (i === 0) errmsg = errmsg + ' and ';
+      }
+
+      return new WriteConcernError({ errmsg, code: MONGODB_ERROR_CODES.WriteConcernFailed });
+    }
+  }
+
+  toJSON(): BulkResult {
+    return this.result;
+  }
+
+  toString(): string {
+    return `BulkWriteResult(${this.toJSON()})`;
+  }
+
+  isOk(): boolean {
+    return this.result.ok === 1;
+  }
+}
+
+/** @public */
+export interface WriteConcernErrorData {
+  code: number;
+  errmsg: string;
+  errInfo?: Document;
+}
+
+/**
+ * An error representing a failure by the server to apply the requested write concern to the bulk operation.
+ * @public
+ * @category Error
+ */
+export class WriteConcernError {
+  /** @internal */
+  [kServerError]: WriteConcernErrorData;
+
+  constructor(error: WriteConcernErrorData) {
+    this[kServerError] = error;
+  }
+
+  /** Write concern error code. */
+  get code(): number | undefined {
+    return this[kServerError].code;
+  }
+
+  /** Write concern error message. */
+  get errmsg(): string | undefined {
+    return this[kServerError].errmsg;
+  }
+
+  /** Write concern error info. */
+  get errInfo(): Document | undefined {
+    return this[kServerError].errInfo;
+  }
+
+  /** @deprecated The `err` prop that contained a MongoServerError has been deprecated. */
+  get err(): WriteConcernErrorData {
+    return this[kServerError];
+  }
+
+  toJSON(): WriteConcernErrorData {
+    return this[kServerError];
+  }
+
+  toString(): string {
+    return `WriteConcernError(${this.errmsg})`;
+  }
+}
+
+/** @public */
+export interface BulkWriteOperationError {
+  index: number;
+  code: number;
+  errmsg: string;
+  errInfo: Document;
+  op: Document | UpdateStatement | DeleteStatement;
+}
+
+/**
+ * An error that occurred during a BulkWrite on the server.
+ * @public
+ * @category Error
+ */
+export class WriteError {
+  err: BulkWriteOperationError;
+
+  constructor(err: BulkWriteOperationError) {
+    this.err = err;
+  }
+
+  /** WriteError code. */
+  get code(): number {
+    return this.err.code;
+  }
+
+  /** WriteError original bulk operation index. */
+  get index(): number {
+    return this.err.index;
+  }
+
+  /** WriteError message. */
+  get errmsg(): string | undefined {
+    return this.err.errmsg;
+  }
+
+  /** WriteError details. */
+  get errInfo(): Document | undefined {
+    return this.err.errInfo;
+  }
+
+  /** Returns the underlying operation that caused the error */
+  getOperation(): Document {
+    return this.err.op;
+  }
+
+  toJSON(): { code: number; index: number; errmsg?: string; op: Document } {
+    return { code: this.err.code, index: this.err.index, errmsg: this.err.errmsg, op: this.err.op };
+  }
+
+  toString(): string {
+    return `WriteError(${JSON.stringify(this.toJSON())})`;
+  }
+}
+
+/** Converts the number to a Long or returns it. */
+function longOrConvert(value: number | Long | Timestamp): Long | Timestamp {
+  // TODO(NODE-2674): Preserve int64 sent from MongoDB
+  return typeof value === 'number' ? Long.fromNumber(value) : value;
+}
+
+/** Merges results into shared data structure */
+export function mergeBatchResults(
+  batch: Batch,
+  bulkResult: BulkResult,
+  err?: AnyError,
+  result?: Document
+): void {
+  // If we have an error set the result to be the err object
+  if (err) {
+    result = err;
+  } else if (result && result.result) {
+    result = result.result;
+  }
+
+  if (result == null) {
+    return;
+  }
+
+  // Do we have a top level error stop processing and return
+  if (result.ok === 0 && bulkResult.ok === 1) {
+    bulkResult.ok = 0;
+
+    const writeError = {
+      index: 0,
+      code: result.code || 0,
+      errmsg: result.message,
+      errInfo: result.errInfo,
+      op: batch.operations[0]
+    };
+
+    bulkResult.writeErrors.push(new WriteError(writeError));
+    return;
+  } else if (result.ok === 0 && bulkResult.ok === 0) {
+    return;
+  }
+
+  // The server write command specification states that lastOp is an optional
+  // mongod only field that has a type of timestamp. Across various scarce specs
+  // where opTime is mentioned, it is an "opaque" object that can have a "ts" and
+  // "t" field with Timestamp and Long as their types respectively.
+  // The "lastOp" field of the bulk write result is never mentioned in the driver
+  // specifications or the bulk write spec, so we should probably just keep its
+  // value consistent since it seems to vary.
+  // See: https://github.com/mongodb/specifications/blob/master/source/driver-bulk-update.rst#results-object
+  if (result.opTime || result.lastOp) {
+    let opTime = result.lastOp || result.opTime;
+
+    // If the opTime is a Timestamp, convert it to a consistent format to be
+    // able to compare easily. Converting to the object from a timestamp is
+    // much more straightforward than the other direction.
+    if (opTime._bsontype === 'Timestamp') {
+      opTime = { ts: opTime, t: Long.ZERO };
+    }
+
+    // If there's no lastOp, just set it.
+    if (!bulkResult.opTime) {
+      bulkResult.opTime = opTime;
+    } else {
+      // First compare the ts values and set if the opTimeTS value is greater.
+      const lastOpTS = longOrConvert(bulkResult.opTime.ts);
+      const opTimeTS = longOrConvert(opTime.ts);
+      if (opTimeTS.greaterThan(lastOpTS)) {
+        bulkResult.opTime = opTime;
+      } else if (opTimeTS.equals(lastOpTS)) {
+        // If the ts values are equal, then compare using the t values.
+        const lastOpT = longOrConvert(bulkResult.opTime.t);
+        const opTimeT = longOrConvert(opTime.t);
+        if (opTimeT.greaterThan(lastOpT)) {
+          bulkResult.opTime = opTime;
+        }
+      }
+    }
+  }
+
+  // If we have an insert Batch type
+  if (isInsertBatch(batch) && result.n) {
+    bulkResult.nInserted = bulkResult.nInserted + result.n;
+  }
+
+  // If we have an insert Batch type
+  if (isDeleteBatch(batch) && result.n) {
+    bulkResult.nRemoved = bulkResult.nRemoved + result.n;
+  }
+
+  let nUpserted = 0;
+
+  // We have an array of upserted values, we need to rewrite the indexes
+  if (Array.isArray(result.upserted)) {
+    nUpserted = result.upserted.length;
+
+    for (let i = 0; i < result.upserted.length; i++) {
+      bulkResult.upserted.push({
+        index: result.upserted[i].index + batch.originalZeroIndex,
+        _id: result.upserted[i]._id
+      });
+    }
+  } else if (result.upserted) {
+    nUpserted = 1;
+
+    bulkResult.upserted.push({
+      index: batch.originalZeroIndex,
+      _id: result.upserted
+    });
+  }
+
+  // If we have an update Batch type
+  if (isUpdateBatch(batch) && result.n) {
+    const nModified = result.nModified;
+    bulkResult.nUpserted = bulkResult.nUpserted + nUpserted;
+    bulkResult.nMatched = bulkResult.nMatched + (result.n - nUpserted);
+
+    if (typeof nModified === 'number') {
+      bulkResult.nModified = bulkResult.nModified + nModified;
+    } else {
+      bulkResult.nModified = 0;
+    }
+  }
+
+  if (Array.isArray(result.writeErrors)) {
+    for (let i = 0; i < result.writeErrors.length; i++) {
+      const writeError = {
+        index: batch.originalIndexes[result.writeErrors[i].index],
+        code: result.writeErrors[i].code,
+        errmsg: result.writeErrors[i].errmsg,
+        errInfo: result.writeErrors[i].errInfo,
+        op: batch.operations[result.writeErrors[i].index]
+      };
+
+      bulkResult.writeErrors.push(new WriteError(writeError));
+    }
+  }
+
+  if (result.writeConcernError) {
+    bulkResult.writeConcernErrors.push(new WriteConcernError(result.writeConcernError));
+  }
+}
+
+function executeCommands(
+  bulkOperation: BulkOperationBase,
+  options: BulkWriteOptions,
+  callback: Callback<BulkWriteResult>
+) {
+  if (bulkOperation.s.batches.length === 0) {
+    return callback(undefined, new BulkWriteResult(bulkOperation.s.bulkResult));
+  }
+
+  const batch = bulkOperation.s.batches.shift() as Batch;
+
+  function resultHandler(err?: AnyError, result?: Document) {
+    // Error is a driver related error not a bulk op error, return early
+    if (err && 'message' in err && !(err instanceof MongoWriteConcernError)) {
+      return callback(
+        new MongoBulkWriteError(err, new BulkWriteResult(bulkOperation.s.bulkResult))
+      );
+    }
+
+    if (err instanceof MongoWriteConcernError) {
+      return handleMongoWriteConcernError(batch, bulkOperation.s.bulkResult, err, callback);
+    }
+
+    // Merge the results together
+    const writeResult = new BulkWriteResult(bulkOperation.s.bulkResult);
+    const mergeResult = mergeBatchResults(batch, bulkOperation.s.bulkResult, err, result);
+    if (mergeResult != null) {
+      return callback(undefined, writeResult);
+    }
+
+    if (bulkOperation.handleWriteError(callback, writeResult)) return;
+
+    // Execute the next command in line
+    executeCommands(bulkOperation, options, callback);
+  }
+
+  const finalOptions = resolveOptions(bulkOperation, {
+    ...options,
+    ordered: bulkOperation.isOrdered
+  });
+
+  if (finalOptions.bypassDocumentValidation !== true) {
+    delete finalOptions.bypassDocumentValidation;
+  }
+
+  // Set an operationIf if provided
+  if (bulkOperation.operationId) {
+    resultHandler.operationId = bulkOperation.operationId;
+  }
+
+  // Is the bypassDocumentValidation options specific
+  if (bulkOperation.s.bypassDocumentValidation === true) {
+    finalOptions.bypassDocumentValidation = true;
+  }
+
+  // Is the checkKeys option disabled
+  if (bulkOperation.s.checkKeys === false) {
+    finalOptions.checkKeys = false;
+  }
+
+  if (finalOptions.retryWrites) {
+    if (isUpdateBatch(batch)) {
+      finalOptions.retryWrites = finalOptions.retryWrites && !batch.operations.some(op => op.multi);
+    }
+
+    if (isDeleteBatch(batch)) {
+      finalOptions.retryWrites =
+        finalOptions.retryWrites && !batch.operations.some(op => op.limit === 0);
+    }
+  }
+
+  try {
+    if (isInsertBatch(batch)) {
+      executeOperation(
+        bulkOperation.s.collection.s.db.s.client,
+        new InsertOperation(bulkOperation.s.namespace, batch.operations, finalOptions),
+        resultHandler
+      );
+    } else if (isUpdateBatch(batch)) {
+      executeOperation(
+        bulkOperation.s.collection.s.db.s.client,
+        new UpdateOperation(bulkOperation.s.namespace, batch.operations, finalOptions),
+        resultHandler
+      );
+    } else if (isDeleteBatch(batch)) {
+      executeOperation(
+        bulkOperation.s.collection.s.db.s.client,
+        new DeleteOperation(bulkOperation.s.namespace, batch.operations, finalOptions),
+        resultHandler
+      );
+    }
+  } catch (err) {
+    // Force top level error
+    err.ok = 0;
+    // Merge top level error and return
+    mergeBatchResults(batch, bulkOperation.s.bulkResult, err, undefined);
+    callback();
+  }
+}
+
+function handleMongoWriteConcernError(
+  batch: Batch,
+  bulkResult: BulkResult,
+  err: MongoWriteConcernError,
+  callback: Callback<BulkWriteResult>
+) {
+  mergeBatchResults(batch, bulkResult, undefined, err.result);
+
+  callback(
+    new MongoBulkWriteError(
+      {
+        message: err.result?.writeConcernError.errmsg,
+        code: err.result?.writeConcernError.result
+      },
+      new BulkWriteResult(bulkResult)
+    )
+  );
+}
+
+/**
+ * An error indicating an unsuccessful Bulk Write
+ * @public
+ * @category Error
+ */
+export class MongoBulkWriteError extends MongoServerError {
+  result: BulkWriteResult;
+  writeErrors: OneOrMore<WriteError> = [];
+  err?: WriteConcernError;
+
+  /** Creates a new MongoBulkWriteError */
+  constructor(
+    error:
+      | { message: string; code: number; writeErrors?: WriteError[] }
+      | WriteConcernError
+      | AnyError,
+    result: BulkWriteResult
+  ) {
+    super(error);
+
+    if (error instanceof WriteConcernError) this.err = error;
+    else if (!(error instanceof Error)) {
+      this.message = error.message;
+      this.code = error.code;
+      this.writeErrors = error.writeErrors ?? [];
+    }
+
+    this.result = result;
+    Object.assign(this, error);
+  }
+
+  override get name(): string {
+    return 'MongoBulkWriteError';
+  }
+
+  /** Number of documents inserted. */
+  get insertedCount(): number {
+    return this.result.insertedCount;
+  }
+  /** Number of documents matched for update. */
+  get matchedCount(): number {
+    return this.result.matchedCount;
+  }
+  /** Number of documents modified. */
+  get modifiedCount(): number {
+    return this.result.modifiedCount;
+  }
+  /** Number of documents deleted. */
+  get deletedCount(): number {
+    return this.result.deletedCount;
+  }
+  /** Number of documents upserted. */
+  get upsertedCount(): number {
+    return this.result.upsertedCount;
+  }
+  /** Inserted document generated Id's, hash key is the index of the originating operation */
+  get insertedIds(): { [key: number]: any } {
+    return this.result.insertedIds;
+  }
+  /** Upserted document generated Id's, hash key is the index of the originating operation */
+  get upsertedIds(): { [key: number]: any } {
+    return this.result.upsertedIds;
+  }
+}
+
+/**
+ * A builder object that is returned from {@link BulkOperationBase#find}.
+ * Is used to build a write operation that involves a query filter.
+ *
+ * @public
+ */
+export class FindOperators {
+  bulkOperation: BulkOperationBase;
+
+  /**
+   * Creates a new FindOperators object.
+   * @internal
+   */
+  constructor(bulkOperation: BulkOperationBase) {
+    this.bulkOperation = bulkOperation;
+  }
+
+  /** Add a multiple update operation to the bulk operation */
+  update(updateDocument: Document): BulkOperationBase {
+    const currentOp = buildCurrentOp(this.bulkOperation);
+    return this.bulkOperation.addToOperationsList(
+      BatchType.UPDATE,
+      makeUpdateStatement(currentOp.selector, updateDocument, {
+        ...currentOp,
+        multi: true
+      })
+    );
+  }
+
+  /** Add a single update operation to the bulk operation */
+  updateOne(updateDocument: Document): BulkOperationBase {
+    if (!hasAtomicOperators(updateDocument)) {
+      throw new MongoInvalidArgumentError('Update document requires atomic operators');
+    }
+
+    const currentOp = buildCurrentOp(this.bulkOperation);
+    return this.bulkOperation.addToOperationsList(
+      BatchType.UPDATE,
+      makeUpdateStatement(currentOp.selector, updateDocument, { ...currentOp, multi: false })
+    );
+  }
+
+  /** Add a replace one operation to the bulk operation */
+  replaceOne(replacement: Document): BulkOperationBase {
+    if (hasAtomicOperators(replacement)) {
+      throw new MongoInvalidArgumentError('Replacement document must not use atomic operators');
+    }
+
+    const currentOp = buildCurrentOp(this.bulkOperation);
+    return this.bulkOperation.addToOperationsList(
+      BatchType.UPDATE,
+      makeUpdateStatement(currentOp.selector, replacement, { ...currentOp, multi: false })
+    );
+  }
+
+  /** Add a delete one operation to the bulk operation */
+  deleteOne(): BulkOperationBase {
+    const currentOp = buildCurrentOp(this.bulkOperation);
+    return this.bulkOperation.addToOperationsList(
+      BatchType.DELETE,
+      makeDeleteStatement(currentOp.selector, { ...currentOp, limit: 1 })
+    );
+  }
+
+  /** Add a delete many operation to the bulk operation */
+  delete(): BulkOperationBase {
+    const currentOp = buildCurrentOp(this.bulkOperation);
+    return this.bulkOperation.addToOperationsList(
+      BatchType.DELETE,
+      makeDeleteStatement(currentOp.selector, { ...currentOp, limit: 0 })
+    );
+  }
+
+  /** Upsert modifier for update bulk operation, noting that this operation is an upsert. */
+  upsert(): this {
+    if (!this.bulkOperation.s.currentOp) {
+      this.bulkOperation.s.currentOp = {};
+    }
+
+    this.bulkOperation.s.currentOp.upsert = true;
+    return this;
+  }
+
+  /** Specifies the collation for the query condition. */
+  collation(collation: CollationOptions): this {
+    if (!this.bulkOperation.s.currentOp) {
+      this.bulkOperation.s.currentOp = {};
+    }
+
+    this.bulkOperation.s.currentOp.collation = collation;
+    return this;
+  }
+
+  /** Specifies arrayFilters for UpdateOne or UpdateMany bulk operations. */
+  arrayFilters(arrayFilters: Document[]): this {
+    if (!this.bulkOperation.s.currentOp) {
+      this.bulkOperation.s.currentOp = {};
+    }
+
+    this.bulkOperation.s.currentOp.arrayFilters = arrayFilters;
+    return this;
+  }
+}
+
+/** @internal */
+export interface BulkOperationPrivate {
+  bulkResult: BulkResult;
+  currentBatch?: Batch;
+  currentIndex: number;
+  // ordered specific
+  currentBatchSize: number;
+  currentBatchSizeBytes: number;
+  // unordered specific
+  currentInsertBatch?: Batch;
+  currentUpdateBatch?: Batch;
+  currentRemoveBatch?: Batch;
+  batches: Batch[];
+  // Write concern
+  writeConcern?: WriteConcern;
+  // Max batch size options
+  maxBsonObjectSize: number;
+  maxBatchSizeBytes: number;
+  maxWriteBatchSize: number;
+  maxKeySize: number;
+  // Namespace
+  namespace: MongoDBNamespace;
+  // Topology
+  topology: Topology;
+  // Options
+  options: BulkWriteOptions;
+  // BSON options
+  bsonOptions: BSONSerializeOptions;
+  // Document used to build a bulk operation
+  currentOp?: Document;
+  // Executed
+  executed: boolean;
+  // Collection
+  collection: Collection;
+  // Fundamental error
+  err?: AnyError;
+  // check keys
+  checkKeys: boolean;
+  bypassDocumentValidation?: boolean;
+}
+
+/** @public */
+export interface BulkWriteOptions extends CommandOperationOptions {
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** If true, when an insert fails, don't execute the remaining writes. If false, continue with remaining inserts when one fails. */
+  ordered?: boolean;
+  /** @deprecated use `ordered` instead */
+  keepGoing?: boolean;
+  /** Force server to assign _id values instead of driver. */
+  forceServerObjectId?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/**
+ * TODO(NODE-4063)
+ * BulkWrites merge complexity is implemented in executeCommands
+ * This provides a vehicle to treat bulkOperations like any other operation (hence "shim")
+ * We would like this logic to simply live inside the BulkWriteOperation class
+ * @internal
+ */
+class BulkWriteShimOperation extends AbstractOperation {
+  bulkOperation: BulkOperationBase;
+  constructor(bulkOperation: BulkOperationBase, options: BulkWriteOptions) {
+    super(options);
+    this.bulkOperation = bulkOperation;
+  }
+
+  execute(server: Server, session: ClientSession | undefined, callback: Callback<any>): void {
+    if (this.options.session == null) {
+      // An implicit session could have been created by 'executeOperation'
+      // So if we stick it on finalOptions here, each bulk operation
+      // will use this same session, it'll be passed in the same way
+      // an explicit session would be
+      this.options.session = session;
+    }
+    return executeCommands(this.bulkOperation, this.options, callback);
+  }
+}
+
+/** @public */
+export abstract class BulkOperationBase {
+  isOrdered: boolean;
+  /** @internal */
+  s: BulkOperationPrivate;
+  operationId?: number;
+
+  /**
+   * Create a new OrderedBulkOperation or UnorderedBulkOperation instance
+   * @internal
+   */
+  constructor(collection: Collection, options: BulkWriteOptions, isOrdered: boolean) {
+    // determine whether bulkOperation is ordered or unordered
+    this.isOrdered = isOrdered;
+
+    const topology = getTopology(collection);
+    options = options == null ? {} : options;
+    // TODO Bring from driver information in hello
+    // Get the namespace for the write operations
+    const namespace = collection.s.namespace;
+    // Used to mark operation as executed
+    const executed = false;
+
+    // Current item
+    const currentOp = undefined;
+
+    // Set max byte size
+    const hello = topology.lastHello();
+
+    // If we have autoEncryption on, batch-splitting must be done on 2mb chunks, but single documents
+    // over 2mb are still allowed
+    const usingAutoEncryption = !!(topology.s.options && topology.s.options.autoEncrypter);
+    const maxBsonObjectSize =
+      hello && hello.maxBsonObjectSize ? hello.maxBsonObjectSize : 1024 * 1024 * 16;
+    const maxBatchSizeBytes = usingAutoEncryption ? 1024 * 1024 * 2 : maxBsonObjectSize;
+    const maxWriteBatchSize = hello && hello.maxWriteBatchSize ? hello.maxWriteBatchSize : 1000;
+
+    // Calculates the largest possible size of an Array key, represented as a BSON string
+    // element. This calculation:
+    //     1 byte for BSON type
+    //     # of bytes = length of (string representation of (maxWriteBatchSize - 1))
+    //   + 1 bytes for null terminator
+    const maxKeySize = (maxWriteBatchSize - 1).toString(10).length + 2;
+
+    // Final options for retryable writes
+    let finalOptions = Object.assign({}, options);
+    finalOptions = applyRetryableWrites(finalOptions, collection.s.db);
+
+    // Final results
+    const bulkResult: BulkResult = {
+      ok: 1,
+      writeErrors: [],
+      writeConcernErrors: [],
+      insertedIds: [],
+      nInserted: 0,
+      nUpserted: 0,
+      nMatched: 0,
+      nModified: 0,
+      nRemoved: 0,
+      upserted: []
+    };
+
+    // Internal state
+    this.s = {
+      // Final result
+      bulkResult,
+      // Current batch state
+      currentBatch: undefined,
+      currentIndex: 0,
+      // ordered specific
+      currentBatchSize: 0,
+      currentBatchSizeBytes: 0,
+      // unordered specific
+      currentInsertBatch: undefined,
+      currentUpdateBatch: undefined,
+      currentRemoveBatch: undefined,
+      batches: [],
+      // Write concern
+      writeConcern: WriteConcern.fromOptions(options),
+      // Max batch size options
+      maxBsonObjectSize,
+      maxBatchSizeBytes,
+      maxWriteBatchSize,
+      maxKeySize,
+      // Namespace
+      namespace,
+      // Topology
+      topology,
+      // Options
+      options: finalOptions,
+      // BSON options
+      bsonOptions: resolveBSONOptions(options),
+      // Current operation
+      currentOp,
+      // Executed
+      executed,
+      // Collection
+      collection,
+      // Fundamental error
+      err: undefined,
+      // check keys
+      checkKeys: typeof options.checkKeys === 'boolean' ? options.checkKeys : false
+    };
+
+    // bypass Validation
+    if (options.bypassDocumentValidation === true) {
+      this.s.bypassDocumentValidation = true;
+    }
+  }
+
+  /**
+   * Add a single insert document to the bulk operation
+   *
+   * @example
+   * ```js
+   * const bulkOp = collection.initializeOrderedBulkOp();
+   *
+   * // Adds three inserts to the bulkOp.
+   * bulkOp
+   *   .insert({ a: 1 })
+   *   .insert({ b: 2 })
+   *   .insert({ c: 3 });
+   * await bulkOp.execute();
+   * ```
+   */
+  insert(document: Document): BulkOperationBase {
+    if (document._id == null && !shouldForceServerObjectId(this)) {
+      document._id = new ObjectId();
+    }
+
+    return this.addToOperationsList(BatchType.INSERT, document);
+  }
+
+  /**
+   * Builds a find operation for an update/updateOne/delete/deleteOne/replaceOne.
+   * Returns a builder object used to complete the definition of the operation.
+   *
+   * @example
+   * ```js
+   * const bulkOp = collection.initializeOrderedBulkOp();
+   *
+   * // Add an updateOne to the bulkOp
+   * bulkOp.find({ a: 1 }).updateOne({ $set: { b: 2 } });
+   *
+   * // Add an updateMany to the bulkOp
+   * bulkOp.find({ c: 3 }).update({ $set: { d: 4 } });
+   *
+   * // Add an upsert
+   * bulkOp.find({ e: 5 }).upsert().updateOne({ $set: { f: 6 } });
+   *
+   * // Add a deletion
+   * bulkOp.find({ g: 7 }).deleteOne();
+   *
+   * // Add a multi deletion
+   * bulkOp.find({ h: 8 }).delete();
+   *
+   * // Add a replaceOne
+   * bulkOp.find({ i: 9 }).replaceOne({writeConcern: { j: 10 }});
+   *
+   * // Update using a pipeline (requires Mongodb 4.2 or higher)
+   * bulk.find({ k: 11, y: { $exists: true }, z: { $exists: true } }).updateOne([
+   *   { $set: { total: { $sum: [ '$y', '$z' ] } } }
+   * ]);
+   *
+   * // All of the ops will now be executed
+   * await bulkOp.execute();
+   * ```
+   */
+  find(selector: Document): FindOperators {
+    if (!selector) {
+      throw new MongoInvalidArgumentError('Bulk find operation must specify a selector');
+    }
+
+    // Save a current selector
+    this.s.currentOp = {
+      selector: selector
+    };
+
+    return new FindOperators(this);
+  }
+
+  /** Specifies a raw operation to perform in the bulk write. */
+  raw(op: AnyBulkWriteOperation): this {
+    if (op == null || typeof op !== 'object') {
+      throw new MongoInvalidArgumentError('Operation must be an object with an operation key');
+    }
+    if ('insertOne' in op) {
+      const forceServerObjectId = shouldForceServerObjectId(this);
+      if (op.insertOne && op.insertOne.document == null) {
+        // NOTE: provided for legacy support, but this is a malformed operation
+        if (forceServerObjectId !== true && (op.insertOne as Document)._id == null) {
+          (op.insertOne as Document)._id = new ObjectId();
+        }
+
+        return this.addToOperationsList(BatchType.INSERT, op.insertOne);
+      }
+
+      if (forceServerObjectId !== true && op.insertOne.document._id == null) {
+        op.insertOne.document._id = new ObjectId();
+      }
+
+      return this.addToOperationsList(BatchType.INSERT, op.insertOne.document);
+    }
+
+    if ('replaceOne' in op || 'updateOne' in op || 'updateMany' in op) {
+      if ('replaceOne' in op) {
+        if ('q' in op.replaceOne) {
+          throw new MongoInvalidArgumentError('Raw operations are not allowed');
+        }
+        const updateStatement = makeUpdateStatement(
+          op.replaceOne.filter,
+          op.replaceOne.replacement,
+          { ...op.replaceOne, multi: false }
+        );
+        if (hasAtomicOperators(updateStatement.u)) {
+          throw new MongoInvalidArgumentError('Replacement document must not use atomic operators');
+        }
+        return this.addToOperationsList(BatchType.UPDATE, updateStatement);
+      }
+
+      if ('updateOne' in op) {
+        if ('q' in op.updateOne) {
+          throw new MongoInvalidArgumentError('Raw operations are not allowed');
+        }
+        const updateStatement = makeUpdateStatement(op.updateOne.filter, op.updateOne.update, {
+          ...op.updateOne,
+          multi: false
+        });
+        if (!hasAtomicOperators(updateStatement.u)) {
+          throw new MongoInvalidArgumentError('Update document requires atomic operators');
+        }
+        return this.addToOperationsList(BatchType.UPDATE, updateStatement);
+      }
+
+      if ('updateMany' in op) {
+        if ('q' in op.updateMany) {
+          throw new MongoInvalidArgumentError('Raw operations are not allowed');
+        }
+        const updateStatement = makeUpdateStatement(op.updateMany.filter, op.updateMany.update, {
+          ...op.updateMany,
+          multi: true
+        });
+        if (!hasAtomicOperators(updateStatement.u)) {
+          throw new MongoInvalidArgumentError('Update document requires atomic operators');
+        }
+        return this.addToOperationsList(BatchType.UPDATE, updateStatement);
+      }
+    }
+
+    if ('deleteOne' in op) {
+      if ('q' in op.deleteOne) {
+        throw new MongoInvalidArgumentError('Raw operations are not allowed');
+      }
+      return this.addToOperationsList(
+        BatchType.DELETE,
+        makeDeleteStatement(op.deleteOne.filter, { ...op.deleteOne, limit: 1 })
+      );
+    }
+
+    if ('deleteMany' in op) {
+      if ('q' in op.deleteMany) {
+        throw new MongoInvalidArgumentError('Raw operations are not allowed');
+      }
+      return this.addToOperationsList(
+        BatchType.DELETE,
+        makeDeleteStatement(op.deleteMany.filter, { ...op.deleteMany, limit: 0 })
+      );
+    }
+
+    // otherwise an unknown operation was provided
+    throw new MongoInvalidArgumentError(
+      'bulkWrite only supports insertOne, updateOne, updateMany, deleteOne, deleteMany'
+    );
+  }
+
+  get bsonOptions(): BSONSerializeOptions {
+    return this.s.bsonOptions;
+  }
+
+  get writeConcern(): WriteConcern | undefined {
+    return this.s.writeConcern;
+  }
+
+  get batches(): Batch[] {
+    const batches = [...this.s.batches];
+    if (this.isOrdered) {
+      if (this.s.currentBatch) batches.push(this.s.currentBatch);
+    } else {
+      if (this.s.currentInsertBatch) batches.push(this.s.currentInsertBatch);
+      if (this.s.currentUpdateBatch) batches.push(this.s.currentUpdateBatch);
+      if (this.s.currentRemoveBatch) batches.push(this.s.currentRemoveBatch);
+    }
+    return batches;
+  }
+
+  execute(options?: BulkWriteOptions): Promise<BulkWriteResult>;
+  execute(callback: Callback<BulkWriteResult>): void;
+  execute(options: BulkWriteOptions | undefined, callback: Callback<BulkWriteResult>): void;
+  execute(
+    options?: BulkWriteOptions | Callback<BulkWriteResult>,
+    callback?: Callback<BulkWriteResult>
+  ): Promise<BulkWriteResult> | void;
+  execute(
+    options?: BulkWriteOptions | Callback<BulkWriteResult>,
+    callback?: Callback<BulkWriteResult>
+  ): Promise<BulkWriteResult> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    if (this.s.executed) {
+      return handleEarlyError(new MongoBatchReExecutionError(), callback);
+    }
+
+    const writeConcern = WriteConcern.fromOptions(options);
+    if (writeConcern) {
+      this.s.writeConcern = writeConcern;
+    }
+
+    // If we have current batch
+    if (this.isOrdered) {
+      if (this.s.currentBatch) this.s.batches.push(this.s.currentBatch);
+    } else {
+      if (this.s.currentInsertBatch) this.s.batches.push(this.s.currentInsertBatch);
+      if (this.s.currentUpdateBatch) this.s.batches.push(this.s.currentUpdateBatch);
+      if (this.s.currentRemoveBatch) this.s.batches.push(this.s.currentRemoveBatch);
+    }
+    // If we have no operations in the bulk raise an error
+    if (this.s.batches.length === 0) {
+      const emptyBatchError = new MongoInvalidArgumentError(
+        'Invalid BulkOperation, Batch cannot be empty'
+      );
+      return handleEarlyError(emptyBatchError, callback);
+    }
+
+    this.s.executed = true;
+    const finalOptions = { ...this.s.options, ...options };
+    const operation = new BulkWriteShimOperation(this, finalOptions);
+
+    return executeOperation(this.s.collection.s.db.s.client, operation, callback);
+  }
+
+  /**
+   * Handles the write error before executing commands
+   * @internal
+   */
+  handleWriteError(callback: Callback<BulkWriteResult>, writeResult: BulkWriteResult): boolean {
+    if (this.s.bulkResult.writeErrors.length > 0) {
+      const msg = this.s.bulkResult.writeErrors[0].errmsg
+        ? this.s.bulkResult.writeErrors[0].errmsg
+        : 'write operation failed';
+
+      callback(
+        new MongoBulkWriteError(
+          {
+            message: msg,
+            code: this.s.bulkResult.writeErrors[0].code,
+            writeErrors: this.s.bulkResult.writeErrors
+          },
+          writeResult
+        )
+      );
+
+      return true;
+    }
+
+    const writeConcernError = writeResult.getWriteConcernError();
+    if (writeConcernError) {
+      callback(new MongoBulkWriteError(writeConcernError, writeResult));
+      return true;
+    }
+
+    return false;
+  }
+
+  abstract addToOperationsList(
+    batchType: BatchType,
+    document: Document | UpdateStatement | DeleteStatement
+  ): this;
+}
+
+Object.defineProperty(BulkOperationBase.prototype, 'length', {
+  enumerable: true,
+  get() {
+    return this.s.currentIndex;
+  }
+});
+
+/** helper function to assist with promiseOrCallback behavior */
+function handleEarlyError(
+  err?: AnyError,
+  callback?: Callback<BulkWriteResult>
+): Promise<BulkWriteResult> | void {
+  const Promise = PromiseProvider.get();
+  if (typeof callback === 'function') {
+    callback(err);
+    return;
+  }
+
+  return Promise.reject(err);
+}
+
+function shouldForceServerObjectId(bulkOperation: BulkOperationBase): boolean {
+  if (typeof bulkOperation.s.options.forceServerObjectId === 'boolean') {
+    return bulkOperation.s.options.forceServerObjectId;
+  }
+
+  if (typeof bulkOperation.s.collection.s.db.options?.forceServerObjectId === 'boolean') {
+    return bulkOperation.s.collection.s.db.options?.forceServerObjectId;
+  }
+
+  return false;
+}
+
+function isInsertBatch(batch: Batch): boolean {
+  return batch.batchType === BatchType.INSERT;
+}
+
+function isUpdateBatch(batch: Batch): batch is Batch<UpdateStatement> {
+  return batch.batchType === BatchType.UPDATE;
+}
+
+function isDeleteBatch(batch: Batch): batch is Batch<DeleteStatement> {
+  return batch.batchType === BatchType.DELETE;
+}
+
+function buildCurrentOp(bulkOp: BulkOperationBase): Document {
+  let { currentOp } = bulkOp.s;
+  bulkOp.s.currentOp = undefined;
+  if (!currentOp) currentOp = {};
+  return currentOp;
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/bulk/ordered.ts b/node_modules/mongoose/node_modules/mongodb/src/bulk/ordered.ts
new file mode 100644
index 000000000..e0dbf9b7e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/bulk/ordered.ts
@@ -0,0 +1,82 @@
+import type { Document } from '../bson';
+import * as BSON from '../bson';
+import type { Collection } from '../collection';
+import { MongoInvalidArgumentError } from '../error';
+import type { DeleteStatement } from '../operations/delete';
+import type { UpdateStatement } from '../operations/update';
+import { Batch, BatchType, BulkOperationBase, BulkWriteOptions } from './common';
+
+/** @public */
+export class OrderedBulkOperation extends BulkOperationBase {
+  constructor(collection: Collection, options: BulkWriteOptions) {
+    super(collection, options, true);
+  }
+
+  addToOperationsList(
+    batchType: BatchType,
+    document: Document | UpdateStatement | DeleteStatement
+  ): this {
+    // Get the bsonSize
+    const bsonSize = BSON.calculateObjectSize(document, {
+      checkKeys: false,
+      // Since we don't know what the user selected for BSON options here,
+      // err on the safe side, and check the size with ignoreUndefined: false.
+      ignoreUndefined: false
+    } as any);
+
+    // Throw error if the doc is bigger than the max BSON size
+    if (bsonSize >= this.s.maxBsonObjectSize)
+      // TODO(NODE-3483): Change this to MongoBSONError
+      throw new MongoInvalidArgumentError(
+        `Document is larger than the maximum size ${this.s.maxBsonObjectSize}`
+      );
+
+    // Create a new batch object if we don't have a current one
+    if (this.s.currentBatch == null) {
+      this.s.currentBatch = new Batch(batchType, this.s.currentIndex);
+    }
+
+    const maxKeySize = this.s.maxKeySize;
+
+    // Check if we need to create a new batch
+    if (
+      // New batch if we exceed the max batch op size
+      this.s.currentBatchSize + 1 >= this.s.maxWriteBatchSize ||
+      // New batch if we exceed the maxBatchSizeBytes. Only matters if batch already has a doc,
+      // since we can't sent an empty batch
+      (this.s.currentBatchSize > 0 &&
+        this.s.currentBatchSizeBytes + maxKeySize + bsonSize >= this.s.maxBatchSizeBytes) ||
+      // New batch if the new op does not have the same op type as the current batch
+      this.s.currentBatch.batchType !== batchType
+    ) {
+      // Save the batch to the execution stack
+      this.s.batches.push(this.s.currentBatch);
+
+      // Create a new batch
+      this.s.currentBatch = new Batch(batchType, this.s.currentIndex);
+
+      // Reset the current size trackers
+      this.s.currentBatchSize = 0;
+      this.s.currentBatchSizeBytes = 0;
+    }
+
+    if (batchType === BatchType.INSERT) {
+      this.s.bulkResult.insertedIds.push({
+        index: this.s.currentIndex,
+        _id: (document as Document)._id
+      });
+    }
+
+    // We have an array of documents
+    if (Array.isArray(document)) {
+      throw new MongoInvalidArgumentError('Operation passed in cannot be an Array');
+    }
+
+    this.s.currentBatch.originalIndexes.push(this.s.currentIndex);
+    this.s.currentBatch.operations.push(document);
+    this.s.currentBatchSize += 1;
+    this.s.currentBatchSizeBytes += maxKeySize + bsonSize;
+    this.s.currentIndex += 1;
+    return this;
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/bulk/unordered.ts b/node_modules/mongoose/node_modules/mongodb/src/bulk/unordered.ts
new file mode 100644
index 000000000..b4227e8d0
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/bulk/unordered.ts
@@ -0,0 +1,109 @@
+import type { Document } from '../bson';
+import * as BSON from '../bson';
+import type { Collection } from '../collection';
+import { MongoInvalidArgumentError } from '../error';
+import type { DeleteStatement } from '../operations/delete';
+import type { UpdateStatement } from '../operations/update';
+import type { Callback } from '../utils';
+import { Batch, BatchType, BulkOperationBase, BulkWriteOptions, BulkWriteResult } from './common';
+
+/** @public */
+export class UnorderedBulkOperation extends BulkOperationBase {
+  constructor(collection: Collection, options: BulkWriteOptions) {
+    super(collection, options, false);
+  }
+
+  override handleWriteError(callback: Callback, writeResult: BulkWriteResult): boolean {
+    if (this.s.batches.length) {
+      return false;
+    }
+
+    return super.handleWriteError(callback, writeResult);
+  }
+
+  addToOperationsList(
+    batchType: BatchType,
+    document: Document | UpdateStatement | DeleteStatement
+  ): this {
+    // Get the bsonSize
+    const bsonSize = BSON.calculateObjectSize(document, {
+      checkKeys: false,
+
+      // Since we don't know what the user selected for BSON options here,
+      // err on the safe side, and check the size with ignoreUndefined: false.
+      ignoreUndefined: false
+    } as any);
+
+    // Throw error if the doc is bigger than the max BSON size
+    if (bsonSize >= this.s.maxBsonObjectSize) {
+      // TODO(NODE-3483): Change this to MongoBSONError
+      throw new MongoInvalidArgumentError(
+        `Document is larger than the maximum size ${this.s.maxBsonObjectSize}`
+      );
+    }
+
+    // Holds the current batch
+    this.s.currentBatch = undefined;
+    // Get the right type of batch
+    if (batchType === BatchType.INSERT) {
+      this.s.currentBatch = this.s.currentInsertBatch;
+    } else if (batchType === BatchType.UPDATE) {
+      this.s.currentBatch = this.s.currentUpdateBatch;
+    } else if (batchType === BatchType.DELETE) {
+      this.s.currentBatch = this.s.currentRemoveBatch;
+    }
+
+    const maxKeySize = this.s.maxKeySize;
+
+    // Create a new batch object if we don't have a current one
+    if (this.s.currentBatch == null) {
+      this.s.currentBatch = new Batch(batchType, this.s.currentIndex);
+    }
+
+    // Check if we need to create a new batch
+    if (
+      // New batch if we exceed the max batch op size
+      this.s.currentBatch.size + 1 >= this.s.maxWriteBatchSize ||
+      // New batch if we exceed the maxBatchSizeBytes. Only matters if batch already has a doc,
+      // since we can't sent an empty batch
+      (this.s.currentBatch.size > 0 &&
+        this.s.currentBatch.sizeBytes + maxKeySize + bsonSize >= this.s.maxBatchSizeBytes) ||
+      // New batch if the new op does not have the same op type as the current batch
+      this.s.currentBatch.batchType !== batchType
+    ) {
+      // Save the batch to the execution stack
+      this.s.batches.push(this.s.currentBatch);
+
+      // Create a new batch
+      this.s.currentBatch = new Batch(batchType, this.s.currentIndex);
+    }
+
+    // We have an array of documents
+    if (Array.isArray(document)) {
+      throw new MongoInvalidArgumentError('Operation passed in cannot be an Array');
+    }
+
+    this.s.currentBatch.operations.push(document);
+    this.s.currentBatch.originalIndexes.push(this.s.currentIndex);
+    this.s.currentIndex = this.s.currentIndex + 1;
+
+    // Save back the current Batch to the right type
+    if (batchType === BatchType.INSERT) {
+      this.s.currentInsertBatch = this.s.currentBatch;
+      this.s.bulkResult.insertedIds.push({
+        index: this.s.bulkResult.insertedIds.length,
+        _id: (document as Document)._id
+      });
+    } else if (batchType === BatchType.UPDATE) {
+      this.s.currentUpdateBatch = this.s.currentBatch;
+    } else if (batchType === BatchType.DELETE) {
+      this.s.currentRemoveBatch = this.s.currentBatch;
+    }
+
+    // Update current batch size
+    this.s.currentBatch.size += 1;
+    this.s.currentBatch.sizeBytes += maxKeySize + bsonSize;
+
+    return this;
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/change_stream.ts b/node_modules/mongoose/node_modules/mongodb/src/change_stream.ts
new file mode 100644
index 000000000..93be71047
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/change_stream.ts
@@ -0,0 +1,941 @@
+import type { Readable } from 'stream';
+import { promisify } from 'util';
+
+import type { Binary, Document, Timestamp } from './bson';
+import { Collection } from './collection';
+import { CHANGE, CLOSE, END, ERROR, INIT, MORE, RESPONSE, RESUME_TOKEN_CHANGED } from './constants';
+import type { AbstractCursorEvents, CursorStreamOptions } from './cursor/abstract_cursor';
+import { ChangeStreamCursor, ChangeStreamCursorOptions } from './cursor/change_stream_cursor';
+import { Db } from './db';
+import {
+  AnyError,
+  isResumableError,
+  MongoAPIError,
+  MongoChangeStreamError,
+  MongoRuntimeError
+} from './error';
+import { MongoClient } from './mongo_client';
+import { InferIdType, TypedEventEmitter } from './mongo_types';
+import type { AggregateOptions } from './operations/aggregate';
+import type { CollationOptions, OperationParent } from './operations/command';
+import type { ReadPreference } from './read_preference';
+import type { ServerSessionId } from './sessions';
+import { Callback, filterOptions, getTopology, maybePromise, MongoDBNamespace } from './utils';
+
+/** @internal */
+const kCursorStream = Symbol('cursorStream');
+/** @internal */
+const kClosed = Symbol('closed');
+/** @internal */
+const kMode = Symbol('mode');
+
+const CHANGE_STREAM_OPTIONS = [
+  'resumeAfter',
+  'startAfter',
+  'startAtOperationTime',
+  'fullDocument',
+  'fullDocumentBeforeChange',
+  'showExpandedEvents'
+] as const;
+
+const CHANGE_DOMAIN_TYPES = {
+  COLLECTION: Symbol('Collection'),
+  DATABASE: Symbol('Database'),
+  CLUSTER: Symbol('Cluster')
+};
+
+const CHANGE_STREAM_EVENTS = [RESUME_TOKEN_CHANGED, END, CLOSE];
+
+const NO_RESUME_TOKEN_ERROR =
+  'A change stream document has been received that lacks a resume token (_id).';
+const CHANGESTREAM_CLOSED_ERROR = 'ChangeStream is closed';
+
+/**
+ * @public
+ * @deprecated Please use the ChangeStreamCursorOptions type instead.
+ */
+export interface ResumeOptions {
+  startAtOperationTime?: Timestamp;
+  batchSize?: number;
+  maxAwaitTimeMS?: number;
+  collation?: CollationOptions;
+  readPreference?: ReadPreference;
+  resumeAfter?: ResumeToken;
+  startAfter?: ResumeToken;
+  fullDocument?: string;
+}
+
+/**
+ * Represents the logical starting point for a new ChangeStream or resuming a ChangeStream on the server.
+ * @see https://www.mongodb.com/docs/manual/changeStreams/#std-label-change-stream-resume
+ * @public
+ */
+export type ResumeToken = unknown;
+
+/**
+ * Represents a specific point in time on a server. Can be retrieved by using `db.command()`
+ * @public
+ * @see https://docs.mongodb.com/manual/reference/method/db.runCommand/#response
+ */
+export type OperationTime = Timestamp;
+
+/** @public */
+export interface PipeOptions {
+  end?: boolean;
+}
+
+/**
+ * Options that can be passed to a ChangeStream. Note that startAfter, resumeAfter, and startAtOperationTime are all mutually exclusive, and the server will error if more than one is specified.
+ * @public
+ */
+export interface ChangeStreamOptions extends AggregateOptions {
+  /**
+   * Allowed values: 'updateLookup', 'whenAvailable', 'required'.
+   *
+   * When set to 'updateLookup', the change notification for partial updates
+   * will include both a delta describing the changes to the document as well
+   * as a copy of the entire document that was changed from some time after
+   * the change occurred.
+   *
+   * When set to 'whenAvailable', configures the change stream to return the
+   * post-image of the modified document for replace and update change events
+   * if the post-image for this event is available.
+   *
+   * When set to 'required', the same behavior as 'whenAvailable' except that
+   * an error is raised if the post-image is not available.
+   */
+  fullDocument?: string;
+
+  /**
+   * Allowed values: 'whenAvailable', 'required', 'off'.
+   *
+   * The default is to not send a value, which is equivalent to 'off'.
+   *
+   * When set to 'whenAvailable', configures the change stream to return the
+   * pre-image of the modified document for replace, update, and delete change
+   * events if it is available.
+   *
+   * When set to 'required', the same behavior as 'whenAvailable' except that
+   * an error is raised if the pre-image is not available.
+   */
+  fullDocumentBeforeChange?: string;
+  /** The maximum amount of time for the server to wait on new documents to satisfy a change stream query. */
+  maxAwaitTimeMS?: number;
+  /**
+   * Allows you to start a changeStream after a specified event.
+   * @see https://docs.mongodb.com/manual/changeStreams/#resumeafter-for-change-streams
+   */
+  resumeAfter?: ResumeToken;
+  /**
+   * Similar to resumeAfter, but will allow you to start after an invalidated event.
+   * @see https://docs.mongodb.com/manual/changeStreams/#startafter-for-change-streams
+   */
+  startAfter?: ResumeToken;
+  /** Will start the changeStream after the specified operationTime. */
+  startAtOperationTime?: OperationTime;
+  /**
+   * The number of documents to return per batch.
+   * @see https://docs.mongodb.com/manual/reference/command/aggregate
+   */
+  batchSize?: number;
+
+  /**
+   * When enabled, configures the change stream to include extra change events.
+   *
+   * - createIndexes
+   * - dropIndexes
+   * - modify
+   * - create
+   * - shardCollection
+   * - reshardCollection
+   * - refineCollectionShardKey
+   */
+  showExpandedEvents?: boolean;
+}
+
+/** @public */
+export interface ChangeStreamNameSpace {
+  db: string;
+  coll: string;
+}
+
+/** @public */
+export interface ChangeStreamDocumentKey<TSchema extends Document = Document> {
+  /**
+   * For unsharded collections this contains a single field `_id`.
+   * For sharded collections, this will contain all the components of the shard key
+   */
+  documentKey: { _id: InferIdType<TSchema>; [shardKey: string]: any };
+}
+
+/** @public */
+export interface ChangeStreamDocumentCommon {
+  /**
+   * The id functions as an opaque token for use when resuming an interrupted
+   * change stream.
+   */
+  _id: ResumeToken;
+  /**
+   * The timestamp from the oplog entry associated with the event.
+   * For events that happened as part of a multi-document transaction, the associated change stream
+   * notifications will have the same clusterTime value, namely the time when the transaction was committed.
+   * On a sharded cluster, events that occur on different shards can have the same clusterTime but be
+   * associated with different transactions or even not be associated with any transaction.
+   * To identify events for a single transaction, you can use the combination of lsid and txnNumber in the change stream event document.
+   */
+  clusterTime?: Timestamp;
+
+  /**
+   * The transaction number.
+   * Only present if the operation is part of a multi-document transaction.
+   *
+   * **NOTE:** txnNumber can be a Long if promoteLongs is set to false
+   */
+  txnNumber?: number;
+
+  /**
+   * The identifier for the session associated with the transaction.
+   * Only present if the operation is part of a multi-document transaction.
+   */
+  lsid?: ServerSessionId;
+}
+
+/** @public */
+export interface ChangeStreamDocumentCollectionUUID {
+  /**
+   * The UUID (Binary subtype 4) of the collection that the operation was performed on.
+   *
+   * Only present when the `showExpandedEvents` flag is enabled.
+   *
+   * **NOTE:** collectionUUID will be converted to a NodeJS Buffer if the promoteBuffers
+   *    flag is enabled.
+   *
+   * @since 6.1.0
+   */
+  collectionUUID: Binary;
+}
+
+/** @public */
+export interface ChangeStreamDocumentOperationDescription {
+  /**
+   * An description of the operation.
+   *
+   * Only present when the `showExpandedEvents` flag is enabled.
+   *
+   * @since 6.1.0
+   */
+  operationDescription?: Document;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#insert-event
+ */
+export interface ChangeStreamInsertDocument<TSchema extends Document = Document>
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentKey<TSchema>,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'insert';
+  /** This key will contain the document being inserted */
+  fullDocument: TSchema;
+  /** Namespace the insert event occured on */
+  ns: ChangeStreamNameSpace;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#update-event
+ */
+export interface ChangeStreamUpdateDocument<TSchema extends Document = Document>
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentKey<TSchema>,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'update';
+  /**
+   * This is only set if `fullDocument` is set to `'updateLookup'`
+   * Contains the point-in-time post-image of the modified document if the
+   * post-image is available and either 'required' or 'whenAvailable' was
+   * specified for the 'fullDocument' option when creating the change stream.
+   */
+  fullDocument?: TSchema;
+  /** Contains a description of updated and removed fields in this operation */
+  updateDescription: UpdateDescription<TSchema>;
+  /** Namespace the update event occured on */
+  ns: ChangeStreamNameSpace;
+  /**
+   * Contains the pre-image of the modified or deleted document if the
+   * pre-image is available for the change event and either 'required' or
+   * 'whenAvailable' was specified for the 'fullDocumentBeforeChange' option
+   * when creating the change stream. If 'whenAvailable' was specified but the
+   * pre-image is unavailable, this will be explicitly set to null.
+   */
+  fullDocumentBeforeChange?: TSchema;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#replace-event
+ */
+export interface ChangeStreamReplaceDocument<TSchema extends Document = Document>
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentKey<TSchema> {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'replace';
+  /** The fullDocument of a replace event represents the document after the insert of the replacement document */
+  fullDocument: TSchema;
+  /** Namespace the replace event occured on */
+  ns: ChangeStreamNameSpace;
+  /**
+   * Contains the pre-image of the modified or deleted document if the
+   * pre-image is available for the change event and either 'required' or
+   * 'whenAvailable' was specified for the 'fullDocumentBeforeChange' option
+   * when creating the change stream. If 'whenAvailable' was specified but the
+   * pre-image is unavailable, this will be explicitly set to null.
+   */
+  fullDocumentBeforeChange?: TSchema;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#delete-event
+ */
+export interface ChangeStreamDeleteDocument<TSchema extends Document = Document>
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentKey<TSchema>,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'delete';
+  /** Namespace the delete event occured on */
+  ns: ChangeStreamNameSpace;
+  /**
+   * Contains the pre-image of the modified or deleted document if the
+   * pre-image is available for the change event and either 'required' or
+   * 'whenAvailable' was specified for the 'fullDocumentBeforeChange' option
+   * when creating the change stream. If 'whenAvailable' was specified but the
+   * pre-image is unavailable, this will be explicitly set to null.
+   */
+  fullDocumentBeforeChange?: TSchema;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#drop-event
+ */
+export interface ChangeStreamDropDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'drop';
+  /** Namespace the drop event occured on */
+  ns: ChangeStreamNameSpace;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#rename-event
+ */
+export interface ChangeStreamRenameDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'rename';
+  /** The new name for the `ns.coll` collection */
+  to: { db: string; coll: string };
+  /** The "from" namespace that the rename occured on */
+  ns: ChangeStreamNameSpace;
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#dropdatabase-event
+ */
+export interface ChangeStreamDropDatabaseDocument extends ChangeStreamDocumentCommon {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'dropDatabase';
+  /** The database dropped */
+  ns: { db: string };
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/#invalidate-event
+ */
+export interface ChangeStreamInvalidateDocument extends ChangeStreamDocumentCommon {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'invalidate';
+}
+
+/**
+ * Only present when the `showExpandedEvents` flag is enabled.
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamCreateIndexDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID,
+    ChangeStreamDocumentOperationDescription {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'createIndexes';
+}
+
+/**
+ * Only present when the `showExpandedEvents` flag is enabled.
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamDropIndexDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID,
+    ChangeStreamDocumentOperationDescription {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'dropIndexes';
+}
+
+/**
+ * Only present when the `showExpandedEvents` flag is enabled.
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamCollModDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'modify';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamCreateDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'create';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamShardCollectionDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID,
+    ChangeStreamDocumentOperationDescription {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'shardCollection';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamReshardCollectionDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID,
+    ChangeStreamDocumentOperationDescription {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'reshardCollection';
+}
+
+/**
+ * @public
+ * @see https://www.mongodb.com/docs/manual/reference/change-events/
+ */
+export interface ChangeStreamRefineCollectionShardKeyDocument
+  extends ChangeStreamDocumentCommon,
+    ChangeStreamDocumentCollectionUUID,
+    ChangeStreamDocumentOperationDescription {
+  /** Describes the type of operation represented in this change notification */
+  operationType: 'refineCollectionShardKey';
+}
+
+/** @public */
+export type ChangeStreamDocument<TSchema extends Document = Document> =
+  | ChangeStreamInsertDocument<TSchema>
+  | ChangeStreamUpdateDocument<TSchema>
+  | ChangeStreamReplaceDocument<TSchema>
+  | ChangeStreamDeleteDocument<TSchema>
+  | ChangeStreamDropDocument
+  | ChangeStreamRenameDocument
+  | ChangeStreamDropDatabaseDocument
+  | ChangeStreamInvalidateDocument
+  | ChangeStreamCreateIndexDocument
+  | ChangeStreamCreateDocument
+  | ChangeStreamCollModDocument
+  | ChangeStreamDropIndexDocument
+  | ChangeStreamShardCollectionDocument
+  | ChangeStreamReshardCollectionDocument
+  | ChangeStreamRefineCollectionShardKeyDocument;
+
+/** @public */
+export interface UpdateDescription<TSchema extends Document = Document> {
+  /**
+   * A document containing key:value pairs of names of the fields that were
+   * changed, and the new value for those fields.
+   */
+  updatedFields?: Partial<TSchema>;
+
+  /**
+   * An array of field names that were removed from the document.
+   */
+  removedFields?: string[];
+
+  /**
+   * An array of documents which record array truncations performed with pipeline-based updates using one or more of the following stages:
+   * - $addFields
+   * - $set
+   * - $replaceRoot
+   * - $replaceWith
+   */
+  truncatedArrays?: Array<{
+    /** The name of the truncated field. */
+    field: string;
+    /** The number of elements in the truncated array. */
+    newSize: number;
+  }>;
+}
+
+/** @public */
+export type ChangeStreamEvents<
+  TSchema extends Document = Document,
+  TChange extends Document = ChangeStreamDocument<TSchema>
+> = {
+  resumeTokenChanged(token: ResumeToken): void;
+  init(response: any): void;
+  more(response?: any): void;
+  response(): void;
+  end(): void;
+  error(error: Error): void;
+  change(change: TChange): void;
+} & AbstractCursorEvents;
+
+/**
+ * Creates a new Change Stream instance. Normally created using {@link Collection#watch|Collection.watch()}.
+ * @public
+ */
+export class ChangeStream<
+  TSchema extends Document = Document,
+  TChange extends Document = ChangeStreamDocument<TSchema>
+> extends TypedEventEmitter<ChangeStreamEvents<TSchema, TChange>> {
+  pipeline: Document[];
+  options: ChangeStreamOptions;
+  parent: MongoClient | Db | Collection;
+  namespace: MongoDBNamespace;
+  type: symbol;
+  /** @internal */
+  cursor: ChangeStreamCursor<TSchema, TChange>;
+  streamOptions?: CursorStreamOptions;
+  /** @internal */
+  [kCursorStream]?: Readable & AsyncIterable<TChange>;
+  /** @internal */
+  [kClosed]: boolean;
+  /** @internal */
+  [kMode]: false | 'iterator' | 'emitter';
+
+  /** @event */
+  static readonly RESPONSE = RESPONSE;
+  /** @event */
+  static readonly MORE = MORE;
+  /** @event */
+  static readonly INIT = INIT;
+  /** @event */
+  static readonly CLOSE = CLOSE;
+  /**
+   * Fired for each new matching change in the specified namespace. Attaching a `change`
+   * event listener to a Change Stream will switch the stream into flowing mode. Data will
+   * then be passed as soon as it is available.
+   * @event
+   */
+  static readonly CHANGE = CHANGE;
+  /** @event */
+  static readonly END = END;
+  /** @event */
+  static readonly ERROR = ERROR;
+  /**
+   * Emitted each time the change stream stores a new resume token.
+   * @event
+   */
+  static readonly RESUME_TOKEN_CHANGED = RESUME_TOKEN_CHANGED;
+
+  /**
+   * @internal
+   *
+   * @param parent - The parent object that created this change stream
+   * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents
+   */
+  constructor(
+    parent: OperationParent,
+    pipeline: Document[] = [],
+    options: ChangeStreamOptions = {}
+  ) {
+    super();
+
+    this.pipeline = pipeline;
+    this.options = options;
+
+    if (parent instanceof Collection) {
+      this.type = CHANGE_DOMAIN_TYPES.COLLECTION;
+    } else if (parent instanceof Db) {
+      this.type = CHANGE_DOMAIN_TYPES.DATABASE;
+    } else if (parent instanceof MongoClient) {
+      this.type = CHANGE_DOMAIN_TYPES.CLUSTER;
+    } else {
+      throw new MongoChangeStreamError(
+        'Parent provided to ChangeStream constructor must be an instance of Collection, Db, or MongoClient'
+      );
+    }
+
+    this.parent = parent;
+    this.namespace = parent.s.namespace;
+    if (!this.options.readPreference && parent.readPreference) {
+      this.options.readPreference = parent.readPreference;
+    }
+
+    // Create contained Change Stream cursor
+    this.cursor = this._createChangeStreamCursor(options);
+
+    this[kClosed] = false;
+    this[kMode] = false;
+
+    // Listen for any `change` listeners being added to ChangeStream
+    this.on('newListener', eventName => {
+      if (eventName === 'change' && this.cursor && this.listenerCount('change') === 0) {
+        this._streamEvents(this.cursor);
+      }
+    });
+
+    this.on('removeListener', eventName => {
+      if (eventName === 'change' && this.listenerCount('change') === 0 && this.cursor) {
+        this[kCursorStream]?.removeAllListeners('data');
+      }
+    });
+  }
+
+  /** @internal */
+  get cursorStream(): (Readable & AsyncIterable<TChange>) | undefined {
+    return this[kCursorStream];
+  }
+
+  /** The cached resume token that is used to resume after the most recently returned change. */
+  get resumeToken(): ResumeToken {
+    return this.cursor?.resumeToken;
+  }
+
+  /** Check if there is any document still available in the Change Stream */
+  hasNext(): Promise<boolean>;
+  hasNext(callback: Callback<boolean>): void;
+  hasNext(callback?: Callback): Promise<boolean> | void {
+    this._setIsIterator();
+    // TOOD(NODE-4319): Add eslint rule preventing accidental variable shadowing
+    // Shadowing is intentional here.  We want to override the `callback` variable
+    // from the outer scope so that the inner scope doesn't accidentally call the wrong callback.
+    return maybePromise(callback, callback => {
+      (async () => {
+        try {
+          const hasNext = await this.cursor.hasNext();
+          return hasNext;
+        } catch (error) {
+          try {
+            await this._processErrorIteratorMode(error);
+            const hasNext = await this.cursor.hasNext();
+            return hasNext;
+          } catch (error) {
+            await this.close().catch(err => err);
+            throw error;
+          }
+        }
+      })().then(
+        hasNext => callback(undefined, hasNext),
+        error => callback(error)
+      );
+    });
+  }
+
+  /** Get the next available document from the Change Stream. */
+  next(): Promise<TChange>;
+  next(callback: Callback<TChange>): void;
+  next(callback?: Callback<TChange>): Promise<TChange> | void {
+    this._setIsIterator();
+    // TOOD(NODE-4319): Add eslint rule preventing accidental variable shadowing
+    // Shadowing is intentional here.  We want to override the `callback` variable
+    // from the outer scope so that the inner scope doesn't accidentally call the wrong callback.
+    return maybePromise(callback, callback => {
+      (async () => {
+        try {
+          const change = await this.cursor.next();
+          const processedChange = this._processChange(change ?? null);
+          return processedChange;
+        } catch (error) {
+          try {
+            await this._processErrorIteratorMode(error);
+            const change = await this.cursor.next();
+            const processedChange = this._processChange(change ?? null);
+            return processedChange;
+          } catch (error) {
+            await this.close().catch(err => err);
+            throw error;
+          }
+        }
+      })().then(
+        change => callback(undefined, change),
+        error => callback(error)
+      );
+    });
+  }
+
+  /**
+   * Try to get the next available document from the Change Stream's cursor or `null` if an empty batch is returned
+   */
+  tryNext(): Promise<Document | null>;
+  tryNext(callback: Callback<Document | null>): void;
+  tryNext(callback?: Callback<Document | null>): Promise<Document | null> | void {
+    this._setIsIterator();
+    // TOOD(NODE-4319): Add eslint rule preventing accidental variable shadowing
+    // Shadowing is intentional here.  We want to override the `callback` variable
+    // from the outer scope so that the inner scope doesn't accidentally call the wrong callback.
+    return maybePromise(callback, callback => {
+      (async () => {
+        try {
+          const change = await this.cursor.tryNext();
+          return change ?? null;
+        } catch (error) {
+          try {
+            await this._processErrorIteratorMode(error);
+            const change = await this.cursor.tryNext();
+            return change ?? null;
+          } catch (error) {
+            await this.close().catch(err => err);
+            throw error;
+          }
+        }
+      })().then(
+        change => callback(undefined, change),
+        error => callback(error)
+      );
+    });
+  }
+
+  /** Is the cursor closed */
+  get closed(): boolean {
+    return this[kClosed] || this.cursor.closed;
+  }
+
+  /** Close the Change Stream */
+  close(): Promise<void>;
+  close(callback: Callback): void;
+  close(callback?: Callback): Promise<void> | void {
+    this[kClosed] = true;
+
+    return maybePromise(callback, cb => {
+      const cursor = this.cursor;
+      return cursor.close(err => {
+        this._endStream();
+        return cb(err);
+      });
+    });
+  }
+
+  /**
+   * Return a modified Readable stream including a possible transform method.
+   *
+   * NOTE: When using a Stream to process change stream events, the stream will
+   * NOT automatically resume in the case a resumable error is encountered.
+   *
+   * @throws MongoChangeStreamError if the underlying cursor or the change stream is closed
+   */
+  stream(options?: CursorStreamOptions): Readable & AsyncIterable<TChange> {
+    if (this.closed) {
+      throw new MongoChangeStreamError(CHANGESTREAM_CLOSED_ERROR);
+    }
+
+    this.streamOptions = options;
+    return this.cursor.stream(options);
+  }
+
+  /** @internal */
+  private _setIsEmitter(): void {
+    if (this[kMode] === 'iterator') {
+      // TODO(NODE-3485): Replace with MongoChangeStreamModeError
+      throw new MongoAPIError(
+        'ChangeStream cannot be used as an EventEmitter after being used as an iterator'
+      );
+    }
+    this[kMode] = 'emitter';
+  }
+
+  /** @internal */
+  private _setIsIterator(): void {
+    if (this[kMode] === 'emitter') {
+      // TODO(NODE-3485): Replace with MongoChangeStreamModeError
+      throw new MongoAPIError(
+        'ChangeStream cannot be used as an iterator after being used as an EventEmitter'
+      );
+    }
+    this[kMode] = 'iterator';
+  }
+
+  /**
+   * Create a new change stream cursor based on self's configuration
+   * @internal
+   */
+  private _createChangeStreamCursor(
+    options: ChangeStreamOptions | ChangeStreamCursorOptions
+  ): ChangeStreamCursor<TSchema, TChange> {
+    const changeStreamStageOptions = filterOptions(options, CHANGE_STREAM_OPTIONS);
+    if (this.type === CHANGE_DOMAIN_TYPES.CLUSTER) {
+      changeStreamStageOptions.allChangesForCluster = true;
+    }
+    const pipeline = [{ $changeStream: changeStreamStageOptions }, ...this.pipeline];
+
+    const client: MongoClient | null =
+      this.type === CHANGE_DOMAIN_TYPES.CLUSTER
+        ? (this.parent as MongoClient)
+        : this.type === CHANGE_DOMAIN_TYPES.DATABASE
+        ? (this.parent as Db).s.client
+        : this.type === CHANGE_DOMAIN_TYPES.COLLECTION
+        ? (this.parent as Collection).s.db.s.client
+        : null;
+
+    if (client == null) {
+      // This should never happen because of the assertion in the constructor
+      throw new MongoRuntimeError(
+        `Changestream type should only be one of cluster, database, collection. Found ${this.type.toString()}`
+      );
+    }
+
+    const changeStreamCursor = new ChangeStreamCursor<TSchema, TChange>(
+      client,
+      this.namespace,
+      pipeline,
+      options
+    );
+
+    for (const event of CHANGE_STREAM_EVENTS) {
+      changeStreamCursor.on(event, e => this.emit(event, e));
+    }
+
+    if (this.listenerCount(ChangeStream.CHANGE) > 0) {
+      this._streamEvents(changeStreamCursor);
+    }
+
+    return changeStreamCursor;
+  }
+
+  /** @internal */
+  private _closeEmitterModeWithError(error: AnyError): void {
+    this.emit(ChangeStream.ERROR, error);
+
+    this.close(() => {
+      // nothing to do
+    });
+  }
+
+  /** @internal */
+  private _streamEvents(cursor: ChangeStreamCursor<TSchema, TChange>): void {
+    this._setIsEmitter();
+    const stream = this[kCursorStream] ?? cursor.stream();
+    this[kCursorStream] = stream;
+    stream.on('data', change => {
+      try {
+        const processedChange = this._processChange(change);
+        this.emit(ChangeStream.CHANGE, processedChange);
+      } catch (error) {
+        this.emit(ChangeStream.ERROR, error);
+      }
+    });
+    stream.on('error', error => this._processErrorStreamMode(error));
+  }
+
+  /** @internal */
+  private _endStream(): void {
+    const cursorStream = this[kCursorStream];
+    if (cursorStream) {
+      ['data', 'close', 'end', 'error'].forEach(event => cursorStream.removeAllListeners(event));
+      cursorStream.destroy();
+    }
+
+    this[kCursorStream] = undefined;
+  }
+
+  /** @internal */
+  private _processChange(change: TChange | null): TChange {
+    if (this[kClosed]) {
+      // TODO(NODE-3485): Replace with MongoChangeStreamClosedError
+      throw new MongoAPIError(CHANGESTREAM_CLOSED_ERROR);
+    }
+
+    // a null change means the cursor has been notified, implicitly closing the change stream
+    if (change == null) {
+      // TODO(NODE-3485): Replace with MongoChangeStreamClosedError
+      throw new MongoRuntimeError(CHANGESTREAM_CLOSED_ERROR);
+    }
+
+    if (change && !change._id) {
+      throw new MongoChangeStreamError(NO_RESUME_TOKEN_ERROR);
+    }
+
+    // cache the resume token
+    this.cursor.cacheResumeToken(change._id);
+
+    // wipe the startAtOperationTime if there was one so that there won't be a conflict
+    // between resumeToken and startAtOperationTime if we need to reconnect the cursor
+    this.options.startAtOperationTime = undefined;
+
+    return change;
+  }
+
+  /** @internal */
+  private _processErrorStreamMode(changeStreamError: AnyError) {
+    // If the change stream has been closed explicitly, do not process error.
+    if (this[kClosed]) return;
+
+    if (isResumableError(changeStreamError, this.cursor.maxWireVersion)) {
+      this._endStream();
+      this.cursor.close().catch(() => null);
+
+      const topology = getTopology(this.parent);
+      topology.selectServer(this.cursor.readPreference, {}, serverSelectionError => {
+        if (serverSelectionError) return this._closeEmitterModeWithError(changeStreamError);
+        this.cursor = this._createChangeStreamCursor(this.cursor.resumeOptions);
+      });
+    } else {
+      this._closeEmitterModeWithError(changeStreamError);
+    }
+  }
+
+  /**
+   * @internal
+   *
+   * TODO(NODE-4320): promisify selectServer and refactor this code to be async
+   *
+   * we promisify _processErrorIteratorModeCallback until we have a promisifed version of selectServer.
+   */
+  // eslint-disable-next-line @typescript-eslint/unbound-method
+  private _processErrorIteratorMode = promisify(this._processErrorIteratorModeCallback);
+
+  /** @internal */
+  private _processErrorIteratorModeCallback(changeStreamError: AnyError, callback: Callback) {
+    if (this[kClosed]) {
+      // TODO(NODE-3485): Replace with MongoChangeStreamClosedError
+      return callback(new MongoAPIError(CHANGESTREAM_CLOSED_ERROR));
+    }
+
+    if (isResumableError(changeStreamError, this.cursor.maxWireVersion)) {
+      this.cursor.close().catch(() => null);
+
+      const topology = getTopology(this.parent);
+      topology.selectServer(this.cursor.readPreference, {}, serverSelectionError => {
+        // if the topology can't reconnect, close the stream
+        if (serverSelectionError) return this.close(() => callback(changeStreamError));
+
+        this.cursor = this._createChangeStreamCursor(this.cursor.resumeOptions);
+        callback();
+      });
+    } else {
+      this.close(() => callback(changeStreamError));
+    }
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/auth_provider.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/auth_provider.ts
new file mode 100644
index 000000000..2a38abe9b
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/auth_provider.ts
@@ -0,0 +1,60 @@
+import type { Document } from '../../bson';
+import { MongoRuntimeError } from '../../error';
+import type { Callback, ClientMetadataOptions } from '../../utils';
+import type { HandshakeDocument } from '../connect';
+import type { Connection, ConnectionOptions } from '../connection';
+import type { MongoCredentials } from './mongo_credentials';
+
+export type AuthContextOptions = ConnectionOptions & ClientMetadataOptions;
+
+/** Context used during authentication */
+export class AuthContext {
+  /** The connection to authenticate */
+  connection: Connection;
+  /** The credentials to use for authentication */
+  credentials?: MongoCredentials;
+  /** The options passed to the `connect` method */
+  options: AuthContextOptions;
+
+  /** A response from an initial auth attempt, only some mechanisms use this (e.g, SCRAM) */
+  response?: Document;
+  /** A random nonce generated for use in an authentication conversation */
+  nonce?: Buffer;
+
+  constructor(
+    connection: Connection,
+    credentials: MongoCredentials | undefined,
+    options: AuthContextOptions
+  ) {
+    this.connection = connection;
+    this.credentials = credentials;
+    this.options = options;
+  }
+}
+
+export class AuthProvider {
+  /**
+   * Prepare the handshake document before the initial handshake.
+   *
+   * @param handshakeDoc - The document used for the initial handshake on a connection
+   * @param authContext - Context for authentication flow
+   */
+  prepare(
+    handshakeDoc: HandshakeDocument,
+    authContext: AuthContext,
+    callback: Callback<HandshakeDocument>
+  ): void {
+    callback(undefined, handshakeDoc);
+  }
+
+  /**
+   * Authenticate
+   *
+   * @param context - A shared context for authentication flow
+   * @param callback - The callback to return the result from the authentication
+   */
+  auth(context: AuthContext, callback: Callback): void {
+    // TODO(NODE-3483): Replace this with MongoMethodOverrideError
+    callback(new MongoRuntimeError('`auth` method must be overridden by subclass'));
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/gssapi.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/gssapi.ts
new file mode 100644
index 000000000..689d6e951
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/gssapi.ts
@@ -0,0 +1,241 @@
+import * as dns from 'dns';
+
+import type { Document } from '../../bson';
+import { Kerberos, KerberosClient } from '../../deps';
+import {
+  MongoError,
+  MongoInvalidArgumentError,
+  MongoMissingCredentialsError,
+  MongoMissingDependencyError,
+  MongoRuntimeError
+} from '../../error';
+import { Callback, ns } from '../../utils';
+import { AuthContext, AuthProvider } from './auth_provider';
+
+/** @public */
+export const GSSAPICanonicalizationValue = Object.freeze({
+  on: true,
+  off: false,
+  none: 'none',
+  forward: 'forward',
+  forwardAndReverse: 'forwardAndReverse'
+} as const);
+
+/** @public */
+export type GSSAPICanonicalizationValue =
+  typeof GSSAPICanonicalizationValue[keyof typeof GSSAPICanonicalizationValue];
+
+type MechanismProperties = {
+  /** @deprecated use `CANONICALIZE_HOST_NAME` instead */
+  gssapiCanonicalizeHostName?: boolean;
+  CANONICALIZE_HOST_NAME?: GSSAPICanonicalizationValue;
+  SERVICE_HOST?: string;
+  SERVICE_NAME?: string;
+  SERVICE_REALM?: string;
+};
+
+export class GSSAPI extends AuthProvider {
+  override auth(authContext: AuthContext, callback: Callback): void {
+    const { connection, credentials } = authContext;
+    if (credentials == null)
+      return callback(
+        new MongoMissingCredentialsError('Credentials required for GSSAPI authentication')
+      );
+    const { username } = credentials;
+    function externalCommand(
+      command: Document,
+      cb: Callback<{ payload: string; conversationId: any }>
+    ) {
+      return connection.command(ns('$external.$cmd'), command, undefined, cb);
+    }
+    makeKerberosClient(authContext, (err, client) => {
+      if (err) return callback(err);
+      if (client == null) return callback(new MongoMissingDependencyError('GSSAPI client missing'));
+      client.step('', (err, payload) => {
+        if (err) return callback(err);
+
+        externalCommand(saslStart(payload), (err, result) => {
+          if (err) return callback(err);
+          if (result == null) return callback();
+          negotiate(client, 10, result.payload, (err, payload) => {
+            if (err) return callback(err);
+
+            externalCommand(saslContinue(payload, result.conversationId), (err, result) => {
+              if (err) return callback(err);
+              if (result == null) return callback();
+              finalize(client, username, result.payload, (err, payload) => {
+                if (err) return callback(err);
+
+                externalCommand(
+                  {
+                    saslContinue: 1,
+                    conversationId: result.conversationId,
+                    payload
+                  },
+                  (err, result) => {
+                    if (err) return callback(err);
+
+                    callback(undefined, result);
+                  }
+                );
+              });
+            });
+          });
+        });
+      });
+    });
+  }
+}
+
+function makeKerberosClient(authContext: AuthContext, callback: Callback<KerberosClient>): void {
+  const { hostAddress } = authContext.options;
+  const { credentials } = authContext;
+  if (!hostAddress || typeof hostAddress.host !== 'string' || !credentials) {
+    return callback(
+      new MongoInvalidArgumentError('Connection must have host and port and credentials defined.')
+    );
+  }
+
+  if ('kModuleError' in Kerberos) {
+    return callback(Kerberos['kModuleError']);
+  }
+  const { initializeClient } = Kerberos;
+
+  const { username, password } = credentials;
+  const mechanismProperties = credentials.mechanismProperties as MechanismProperties;
+
+  const serviceName = mechanismProperties.SERVICE_NAME ?? 'mongodb';
+
+  performGSSAPICanonicalizeHostName(
+    hostAddress.host,
+    mechanismProperties,
+    (err?: Error | MongoError, host?: string) => {
+      if (err) return callback(err);
+
+      const initOptions = {};
+      if (password != null) {
+        Object.assign(initOptions, { user: username, password: password });
+      }
+
+      const spnHost = mechanismProperties.SERVICE_HOST ?? host;
+      let spn = `${serviceName}${process.platform === 'win32' ? '/' : '@'}${spnHost}`;
+      if ('SERVICE_REALM' in mechanismProperties) {
+        spn = `${spn}@${mechanismProperties.SERVICE_REALM}`;
+      }
+
+      initializeClient(spn, initOptions, (err: string, client: KerberosClient): void => {
+        // TODO(NODE-3483)
+        if (err) return callback(new MongoRuntimeError(err));
+        callback(undefined, client);
+      });
+    }
+  );
+}
+
+function saslStart(payload?: string): Document {
+  return {
+    saslStart: 1,
+    mechanism: 'GSSAPI',
+    payload,
+    autoAuthorize: 1
+  };
+}
+
+function saslContinue(payload?: string, conversationId?: number): Document {
+  return {
+    saslContinue: 1,
+    conversationId,
+    payload
+  };
+}
+
+function negotiate(
+  client: KerberosClient,
+  retries: number,
+  payload: string,
+  callback: Callback<string>
+): void {
+  client.step(payload, (err, response) => {
+    // Retries exhausted, raise error
+    if (err && retries === 0) return callback(err);
+
+    // Adjust number of retries and call step again
+    if (err) return negotiate(client, retries - 1, payload, callback);
+
+    // Return the payload
+    callback(undefined, response || '');
+  });
+}
+
+function finalize(
+  client: KerberosClient,
+  user: string,
+  payload: string,
+  callback: Callback<string>
+): void {
+  // GSS Client Unwrap
+  client.unwrap(payload, (err, response) => {
+    if (err) return callback(err);
+
+    // Wrap the response
+    client.wrap(response || '', { user }, (err, wrapped) => {
+      if (err) return callback(err);
+
+      // Return the payload
+      callback(undefined, wrapped);
+    });
+  });
+}
+
+export function performGSSAPICanonicalizeHostName(
+  host: string,
+  mechanismProperties: MechanismProperties,
+  callback: Callback<string>
+): void {
+  const mode = mechanismProperties.CANONICALIZE_HOST_NAME;
+  if (!mode || mode === GSSAPICanonicalizationValue.none) {
+    return callback(undefined, host);
+  }
+
+  // If forward and reverse or true
+  if (
+    mode === GSSAPICanonicalizationValue.on ||
+    mode === GSSAPICanonicalizationValue.forwardAndReverse
+  ) {
+    // Perform the lookup of the ip address.
+    dns.lookup(host, (error, address) => {
+      // No ip found, return the error.
+      if (error) return callback(error);
+
+      // Perform a reverse ptr lookup on the ip address.
+      dns.resolvePtr(address, (err, results) => {
+        // This can error as ptr records may not exist for all ips. In this case
+        // fallback to a cname lookup as dns.lookup() does not return the
+        // cname.
+        if (err) {
+          return resolveCname(host, callback);
+        }
+        // If the ptr did not error but had no results, return the host.
+        callback(undefined, results.length > 0 ? results[0] : host);
+      });
+    });
+  } else {
+    // The case for forward is just to resolve the cname as dns.lookup()
+    // will not return it.
+    resolveCname(host, callback);
+  }
+}
+
+export function resolveCname(host: string, callback: Callback<string>): void {
+  // Attempt to resolve the host name
+  dns.resolveCname(host, (err, r) => {
+    if (err) return callback(undefined, host);
+
+    // Get the first resolve host id
+    if (r.length > 0) {
+      return callback(undefined, r[0]);
+    }
+
+    callback(undefined, host);
+  });
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/mongo_credentials.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/mongo_credentials.ts
new file mode 100644
index 000000000..2c964c311
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/mongo_credentials.ts
@@ -0,0 +1,190 @@
+// Resolves the default auth mechanism according to
+import type { Document } from '../../bson';
+import { MongoAPIError, MongoMissingCredentialsError } from '../../error';
+import { emitWarningOnce } from '../../utils';
+import { GSSAPICanonicalizationValue } from './gssapi';
+import { AUTH_MECHS_AUTH_SRC_EXTERNAL, AuthMechanism } from './providers';
+
+// https://github.com/mongodb/specifications/blob/master/source/auth/auth.rst
+function getDefaultAuthMechanism(hello?: Document): AuthMechanism {
+  if (hello) {
+    // If hello contains saslSupportedMechs, use scram-sha-256
+    // if it is available, else scram-sha-1
+    if (Array.isArray(hello.saslSupportedMechs)) {
+      return hello.saslSupportedMechs.includes(AuthMechanism.MONGODB_SCRAM_SHA256)
+        ? AuthMechanism.MONGODB_SCRAM_SHA256
+        : AuthMechanism.MONGODB_SCRAM_SHA1;
+    }
+
+    // Fallback to legacy selection method. If wire version >= 3, use scram-sha-1
+    if (hello.maxWireVersion >= 3) {
+      return AuthMechanism.MONGODB_SCRAM_SHA1;
+    }
+  }
+
+  // Default for wireprotocol < 3
+  return AuthMechanism.MONGODB_CR;
+}
+
+/** @public */
+export interface AuthMechanismProperties extends Document {
+  SERVICE_HOST?: string;
+  SERVICE_NAME?: string;
+  SERVICE_REALM?: string;
+  CANONICALIZE_HOST_NAME?: GSSAPICanonicalizationValue;
+  AWS_SESSION_TOKEN?: string;
+}
+
+/** @public */
+export interface MongoCredentialsOptions {
+  username: string;
+  password: string;
+  source: string;
+  db?: string;
+  mechanism?: AuthMechanism;
+  mechanismProperties: AuthMechanismProperties;
+}
+
+/**
+ * A representation of the credentials used by MongoDB
+ * @public
+ */
+export class MongoCredentials {
+  /** The username used for authentication */
+  readonly username: string;
+  /** The password used for authentication */
+  readonly password: string;
+  /** The database that the user should authenticate against */
+  readonly source: string;
+  /** The method used to authenticate */
+  readonly mechanism: AuthMechanism;
+  /** Special properties used by some types of auth mechanisms */
+  readonly mechanismProperties: AuthMechanismProperties;
+
+  constructor(options: MongoCredentialsOptions) {
+    this.username = options.username;
+    this.password = options.password;
+    this.source = options.source;
+    if (!this.source && options.db) {
+      this.source = options.db;
+    }
+    this.mechanism = options.mechanism || AuthMechanism.MONGODB_DEFAULT;
+    this.mechanismProperties = options.mechanismProperties || {};
+
+    if (this.mechanism.match(/MONGODB-AWS/i)) {
+      if (!this.username && process.env.AWS_ACCESS_KEY_ID) {
+        this.username = process.env.AWS_ACCESS_KEY_ID;
+      }
+
+      if (!this.password && process.env.AWS_SECRET_ACCESS_KEY) {
+        this.password = process.env.AWS_SECRET_ACCESS_KEY;
+      }
+
+      if (
+        this.mechanismProperties.AWS_SESSION_TOKEN == null &&
+        process.env.AWS_SESSION_TOKEN != null
+      ) {
+        this.mechanismProperties = {
+          ...this.mechanismProperties,
+          AWS_SESSION_TOKEN: process.env.AWS_SESSION_TOKEN
+        };
+      }
+    }
+
+    if ('gssapiCanonicalizeHostName' in this.mechanismProperties) {
+      emitWarningOnce(
+        'gssapiCanonicalizeHostName is deprecated. Please use CANONICALIZE_HOST_NAME instead.'
+      );
+      this.mechanismProperties.CANONICALIZE_HOST_NAME =
+        this.mechanismProperties.gssapiCanonicalizeHostName;
+    }
+
+    Object.freeze(this.mechanismProperties);
+    Object.freeze(this);
+  }
+
+  /** Determines if two MongoCredentials objects are equivalent */
+  equals(other: MongoCredentials): boolean {
+    return (
+      this.mechanism === other.mechanism &&
+      this.username === other.username &&
+      this.password === other.password &&
+      this.source === other.source
+    );
+  }
+
+  /**
+   * If the authentication mechanism is set to "default", resolves the authMechanism
+   * based on the server version and server supported sasl mechanisms.
+   *
+   * @param hello - A hello response from the server
+   */
+  resolveAuthMechanism(hello?: Document): MongoCredentials {
+    // If the mechanism is not "default", then it does not need to be resolved
+    if (this.mechanism.match(/DEFAULT/i)) {
+      return new MongoCredentials({
+        username: this.username,
+        password: this.password,
+        source: this.source,
+        mechanism: getDefaultAuthMechanism(hello),
+        mechanismProperties: this.mechanismProperties
+      });
+    }
+
+    return this;
+  }
+
+  validate(): void {
+    if (
+      (this.mechanism === AuthMechanism.MONGODB_GSSAPI ||
+        this.mechanism === AuthMechanism.MONGODB_CR ||
+        this.mechanism === AuthMechanism.MONGODB_PLAIN ||
+        this.mechanism === AuthMechanism.MONGODB_SCRAM_SHA1 ||
+        this.mechanism === AuthMechanism.MONGODB_SCRAM_SHA256) &&
+      !this.username
+    ) {
+      throw new MongoMissingCredentialsError(`Username required for mechanism '${this.mechanism}'`);
+    }
+
+    if (AUTH_MECHS_AUTH_SRC_EXTERNAL.has(this.mechanism)) {
+      if (this.source != null && this.source !== '$external') {
+        // TODO(NODE-3485): Replace this with a MongoAuthValidationError
+        throw new MongoAPIError(
+          `Invalid source '${this.source}' for mechanism '${this.mechanism}' specified.`
+        );
+      }
+    }
+
+    if (this.mechanism === AuthMechanism.MONGODB_PLAIN && this.source == null) {
+      // TODO(NODE-3485): Replace this with a MongoAuthValidationError
+      throw new MongoAPIError('PLAIN Authentication Mechanism needs an auth source');
+    }
+
+    if (this.mechanism === AuthMechanism.MONGODB_X509 && this.password != null) {
+      if (this.password === '') {
+        Reflect.set(this, 'password', undefined);
+        return;
+      }
+      // TODO(NODE-3485): Replace this with a MongoAuthValidationError
+      throw new MongoAPIError(`Password not allowed for mechanism MONGODB-X509`);
+    }
+
+    const canonicalization = this.mechanismProperties.CANONICALIZE_HOST_NAME ?? false;
+    if (!Object.values(GSSAPICanonicalizationValue).includes(canonicalization)) {
+      throw new MongoAPIError(`Invalid CANONICALIZE_HOST_NAME value: ${canonicalization}`);
+    }
+  }
+
+  static merge(
+    creds: MongoCredentials | undefined,
+    options: Partial<MongoCredentialsOptions>
+  ): MongoCredentials {
+    return new MongoCredentials({
+      username: options.username ?? creds?.username ?? '',
+      password: options.password ?? creds?.password ?? '',
+      mechanism: options.mechanism ?? creds?.mechanism ?? AuthMechanism.MONGODB_DEFAULT,
+      mechanismProperties: options.mechanismProperties ?? creds?.mechanismProperties ?? {},
+      source: options.source ?? options.db ?? creds?.source ?? 'admin'
+    });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/mongocr.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/mongocr.ts
new file mode 100644
index 000000000..232378f0d
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/mongocr.ts
@@ -0,0 +1,47 @@
+import * as crypto from 'crypto';
+
+import { MongoMissingCredentialsError } from '../../error';
+import { Callback, ns } from '../../utils';
+import { AuthContext, AuthProvider } from './auth_provider';
+
+export class MongoCR extends AuthProvider {
+  override auth(authContext: AuthContext, callback: Callback): void {
+    const { connection, credentials } = authContext;
+    if (!credentials) {
+      return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    const username = credentials.username;
+    const password = credentials.password;
+    const source = credentials.source;
+    connection.command(ns(`${source}.$cmd`), { getnonce: 1 }, undefined, (err, r) => {
+      let nonce = null;
+      let key = null;
+
+      // Get nonce
+      if (err == null) {
+        nonce = r.nonce;
+
+        // Use node md5 generator
+        let md5 = crypto.createHash('md5');
+
+        // Generate keys used for authentication
+        md5.update(`${username}:mongo:${password}`, 'utf8');
+        const hash_password = md5.digest('hex');
+
+        // Final key
+        md5 = crypto.createHash('md5');
+        md5.update(nonce + username + hash_password, 'utf8');
+        key = md5.digest('hex');
+      }
+
+      const authenticateCommand = {
+        authenticate: 1,
+        user: username,
+        nonce,
+        key
+      };
+
+      connection.command(ns(`${source}.$cmd`), authenticateCommand, undefined, callback);
+    });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/mongodb_aws.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/mongodb_aws.ts
new file mode 100644
index 000000000..3136dc879
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/mongodb_aws.ts
@@ -0,0 +1,293 @@
+import * as crypto from 'crypto';
+import * as http from 'http';
+import * as url from 'url';
+
+import type { Binary, BSONSerializeOptions } from '../../bson';
+import * as BSON from '../../bson';
+import { aws4 } from '../../deps';
+import {
+  MongoAWSError,
+  MongoCompatibilityError,
+  MongoMissingCredentialsError,
+  MongoRuntimeError
+} from '../../error';
+import { Callback, maxWireVersion, ns } from '../../utils';
+import { AuthContext, AuthProvider } from './auth_provider';
+import { MongoCredentials } from './mongo_credentials';
+import { AuthMechanism } from './providers';
+
+const ASCII_N = 110;
+const AWS_RELATIVE_URI = 'http://169.254.170.2';
+const AWS_EC2_URI = 'http://169.254.169.254';
+const AWS_EC2_PATH = '/latest/meta-data/iam/security-credentials';
+const bsonOptions: BSONSerializeOptions = {
+  promoteLongs: true,
+  promoteValues: true,
+  promoteBuffers: false,
+  bsonRegExp: false
+};
+
+interface AWSSaslContinuePayload {
+  a: string;
+  d: string;
+  t?: string;
+}
+
+export class MongoDBAWS extends AuthProvider {
+  override auth(authContext: AuthContext, callback: Callback): void {
+    const { connection, credentials } = authContext;
+    if (!credentials) {
+      return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+
+    if ('kModuleError' in aws4) {
+      return callback(aws4['kModuleError']);
+    }
+    const { sign } = aws4;
+
+    if (maxWireVersion(connection) < 9) {
+      callback(
+        new MongoCompatibilityError(
+          'MONGODB-AWS authentication requires MongoDB version 4.4 or later'
+        )
+      );
+      return;
+    }
+
+    if (!credentials.username) {
+      makeTempCredentials(credentials, (err, tempCredentials) => {
+        if (err || !tempCredentials) return callback(err);
+
+        authContext.credentials = tempCredentials;
+        this.auth(authContext, callback);
+      });
+
+      return;
+    }
+
+    const accessKeyId = credentials.username;
+    const secretAccessKey = credentials.password;
+    const sessionToken = credentials.mechanismProperties.AWS_SESSION_TOKEN;
+
+    // If all three defined, include sessionToken, else include username and pass, else no credentials
+    const awsCredentials =
+      accessKeyId && secretAccessKey && sessionToken
+        ? { accessKeyId, secretAccessKey, sessionToken }
+        : accessKeyId && secretAccessKey
+        ? { accessKeyId, secretAccessKey }
+        : undefined;
+
+    const db = credentials.source;
+    crypto.randomBytes(32, (err, nonce) => {
+      if (err) {
+        callback(err);
+        return;
+      }
+
+      const saslStart = {
+        saslStart: 1,
+        mechanism: 'MONGODB-AWS',
+        payload: BSON.serialize({ r: nonce, p: ASCII_N }, bsonOptions)
+      };
+
+      connection.command(ns(`${db}.$cmd`), saslStart, undefined, (err, res) => {
+        if (err) return callback(err);
+
+        const serverResponse = BSON.deserialize(res.payload.buffer, bsonOptions) as {
+          s: Binary;
+          h: string;
+        };
+        const host = serverResponse.h;
+        const serverNonce = serverResponse.s.buffer;
+        if (serverNonce.length !== 64) {
+          callback(
+            // TODO(NODE-3483)
+            new MongoRuntimeError(`Invalid server nonce length ${serverNonce.length}, expected 64`)
+          );
+
+          return;
+        }
+
+        if (serverNonce.compare(nonce, 0, nonce.length, 0, nonce.length) !== 0) {
+          // TODO(NODE-3483)
+          callback(new MongoRuntimeError('Server nonce does not begin with client nonce'));
+          return;
+        }
+
+        if (host.length < 1 || host.length > 255 || host.indexOf('..') !== -1) {
+          // TODO(NODE-3483)
+          callback(new MongoRuntimeError(`Server returned an invalid host: "${host}"`));
+          return;
+        }
+
+        const body = 'Action=GetCallerIdentity&Version=2011-06-15';
+        const options = sign(
+          {
+            method: 'POST',
+            host,
+            region: deriveRegion(serverResponse.h),
+            service: 'sts',
+            headers: {
+              'Content-Type': 'application/x-www-form-urlencoded',
+              'Content-Length': body.length,
+              'X-MongoDB-Server-Nonce': serverNonce.toString('base64'),
+              'X-MongoDB-GS2-CB-Flag': 'n'
+            },
+            path: '/',
+            body
+          },
+          awsCredentials
+        );
+
+        const payload: AWSSaslContinuePayload = {
+          a: options.headers.Authorization,
+          d: options.headers['X-Amz-Date']
+        };
+        if (sessionToken) {
+          payload.t = sessionToken;
+        }
+
+        const saslContinue = {
+          saslContinue: 1,
+          conversationId: 1,
+          payload: BSON.serialize(payload, bsonOptions)
+        };
+
+        connection.command(ns(`${db}.$cmd`), saslContinue, undefined, callback);
+      });
+    });
+  }
+}
+
+interface AWSTempCredentials {
+  AccessKeyId?: string;
+  SecretAccessKey?: string;
+  Token?: string;
+  RoleArn?: string;
+  Expiration?: Date;
+}
+
+function makeTempCredentials(credentials: MongoCredentials, callback: Callback<MongoCredentials>) {
+  function done(creds: AWSTempCredentials) {
+    if (!creds.AccessKeyId || !creds.SecretAccessKey || !creds.Token) {
+      callback(
+        new MongoMissingCredentialsError('Could not obtain temporary MONGODB-AWS credentials')
+      );
+      return;
+    }
+
+    callback(
+      undefined,
+      new MongoCredentials({
+        username: creds.AccessKeyId,
+        password: creds.SecretAccessKey,
+        source: credentials.source,
+        mechanism: AuthMechanism.MONGODB_AWS,
+        mechanismProperties: {
+          AWS_SESSION_TOKEN: creds.Token
+        }
+      })
+    );
+  }
+
+  // If the environment variable AWS_CONTAINER_CREDENTIALS_RELATIVE_URI
+  // is set then drivers MUST assume that it was set by an AWS ECS agent
+  if (process.env.AWS_CONTAINER_CREDENTIALS_RELATIVE_URI) {
+    request(
+      `${AWS_RELATIVE_URI}${process.env.AWS_CONTAINER_CREDENTIALS_RELATIVE_URI}`,
+      undefined,
+      (err, res) => {
+        if (err) return callback(err);
+        done(res);
+      }
+    );
+
+    return;
+  }
+
+  // Otherwise assume we are on an EC2 instance
+
+  // get a token
+  request(
+    `${AWS_EC2_URI}/latest/api/token`,
+    { method: 'PUT', json: false, headers: { 'X-aws-ec2-metadata-token-ttl-seconds': 30 } },
+    (err, token) => {
+      if (err) return callback(err);
+
+      // get role name
+      request(
+        `${AWS_EC2_URI}/${AWS_EC2_PATH}`,
+        { json: false, headers: { 'X-aws-ec2-metadata-token': token } },
+        (err, roleName) => {
+          if (err) return callback(err);
+
+          // get temp credentials
+          request(
+            `${AWS_EC2_URI}/${AWS_EC2_PATH}/${roleName}`,
+            { headers: { 'X-aws-ec2-metadata-token': token } },
+            (err, creds) => {
+              if (err) return callback(err);
+              done(creds);
+            }
+          );
+        }
+      );
+    }
+  );
+}
+
+function deriveRegion(host: string) {
+  const parts = host.split('.');
+  if (parts.length === 1 || parts[1] === 'amazonaws') {
+    return 'us-east-1';
+  }
+
+  return parts[1];
+}
+
+interface RequestOptions {
+  json?: boolean;
+  method?: string;
+  timeout?: number;
+  headers?: http.OutgoingHttpHeaders;
+}
+
+function request(uri: string, _options: RequestOptions | undefined, callback: Callback) {
+  const options = Object.assign(
+    {
+      method: 'GET',
+      timeout: 10000,
+      json: true
+    },
+    url.parse(uri),
+    _options
+  );
+
+  const req = http.request(options, res => {
+    res.setEncoding('utf8');
+
+    let data = '';
+    res.on('data', d => (data += d));
+    res.on('end', () => {
+      if (options.json === false) {
+        callback(undefined, data);
+        return;
+      }
+
+      try {
+        const parsed = JSON.parse(data);
+        callback(undefined, parsed);
+      } catch (err) {
+        // TODO(NODE-3483)
+        callback(new MongoRuntimeError(`Invalid JSON response: "${data}"`));
+      }
+    });
+  });
+
+  req.on('timeout', () => {
+    req.destroy(new MongoAWSError(`AWS request to ${uri} timed out after ${options.timeout} ms`));
+  });
+
+  req.on('error', err => callback(err));
+  req.end();
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/plain.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/plain.ts
new file mode 100644
index 000000000..94b19a52b
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/plain.ts
@@ -0,0 +1,25 @@
+import { Binary } from '../../bson';
+import { MongoMissingCredentialsError } from '../../error';
+import { Callback, ns } from '../../utils';
+import { AuthContext, AuthProvider } from './auth_provider';
+
+export class Plain extends AuthProvider {
+  override auth(authContext: AuthContext, callback: Callback): void {
+    const { connection, credentials } = authContext;
+    if (!credentials) {
+      return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    const username = credentials.username;
+    const password = credentials.password;
+
+    const payload = new Binary(Buffer.from(`\x00${username}\x00${password}`));
+    const command = {
+      saslStart: 1,
+      mechanism: 'PLAIN',
+      payload: payload,
+      autoAuthorize: 1
+    };
+
+    connection.command(ns('$external.$cmd'), command, undefined, callback);
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/providers.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/providers.ts
new file mode 100644
index 000000000..9c7b1f4b8
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/providers.ts
@@ -0,0 +1,21 @@
+/** @public */
+export const AuthMechanism = Object.freeze({
+  MONGODB_AWS: 'MONGODB-AWS',
+  MONGODB_CR: 'MONGODB-CR',
+  MONGODB_DEFAULT: 'DEFAULT',
+  MONGODB_GSSAPI: 'GSSAPI',
+  MONGODB_PLAIN: 'PLAIN',
+  MONGODB_SCRAM_SHA1: 'SCRAM-SHA-1',
+  MONGODB_SCRAM_SHA256: 'SCRAM-SHA-256',
+  MONGODB_X509: 'MONGODB-X509'
+} as const);
+
+/** @public */
+export type AuthMechanism = typeof AuthMechanism[keyof typeof AuthMechanism];
+
+/** @internal */
+export const AUTH_MECHS_AUTH_SRC_EXTERNAL = new Set<AuthMechanism>([
+  AuthMechanism.MONGODB_GSSAPI,
+  AuthMechanism.MONGODB_AWS,
+  AuthMechanism.MONGODB_X509
+]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/scram.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/scram.ts
new file mode 100644
index 000000000..7a339151f
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/scram.ts
@@ -0,0 +1,384 @@
+import * as crypto from 'crypto';
+
+import { Binary, Document } from '../../bson';
+import { saslprep } from '../../deps';
+import {
+  AnyError,
+  MongoInvalidArgumentError,
+  MongoMissingCredentialsError,
+  MongoRuntimeError,
+  MongoServerError
+} from '../../error';
+import { Callback, emitWarning, ns } from '../../utils';
+import type { HandshakeDocument } from '../connect';
+import { AuthContext, AuthProvider } from './auth_provider';
+import type { MongoCredentials } from './mongo_credentials';
+import { AuthMechanism } from './providers';
+
+type CryptoMethod = 'sha1' | 'sha256';
+
+class ScramSHA extends AuthProvider {
+  cryptoMethod: CryptoMethod;
+  constructor(cryptoMethod: CryptoMethod) {
+    super();
+    this.cryptoMethod = cryptoMethod || 'sha1';
+  }
+
+  override prepare(handshakeDoc: HandshakeDocument, authContext: AuthContext, callback: Callback) {
+    const cryptoMethod = this.cryptoMethod;
+    const credentials = authContext.credentials;
+    if (!credentials) {
+      return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    if (cryptoMethod === 'sha256' && saslprep == null) {
+      emitWarning('Warning: no saslprep library specified. Passwords will not be sanitized');
+    }
+
+    crypto.randomBytes(24, (err, nonce) => {
+      if (err) {
+        return callback(err);
+      }
+
+      // store the nonce for later use
+      Object.assign(authContext, { nonce });
+
+      const request = Object.assign({}, handshakeDoc, {
+        speculativeAuthenticate: Object.assign(makeFirstMessage(cryptoMethod, credentials, nonce), {
+          db: credentials.source
+        })
+      });
+
+      callback(undefined, request);
+    });
+  }
+
+  override auth(authContext: AuthContext, callback: Callback) {
+    const response = authContext.response;
+    if (response && response.speculativeAuthenticate) {
+      continueScramConversation(
+        this.cryptoMethod,
+        response.speculativeAuthenticate,
+        authContext,
+        callback
+      );
+
+      return;
+    }
+
+    executeScram(this.cryptoMethod, authContext, callback);
+  }
+}
+
+function cleanUsername(username: string) {
+  return username.replace('=', '=3D').replace(',', '=2C');
+}
+
+function clientFirstMessageBare(username: string, nonce: Buffer) {
+  // NOTE: This is done b/c Javascript uses UTF-16, but the server is hashing in UTF-8.
+  // Since the username is not sasl-prep-d, we need to do this here.
+  return Buffer.concat([
+    Buffer.from('n=', 'utf8'),
+    Buffer.from(username, 'utf8'),
+    Buffer.from(',r=', 'utf8'),
+    Buffer.from(nonce.toString('base64'), 'utf8')
+  ]);
+}
+
+function makeFirstMessage(
+  cryptoMethod: CryptoMethod,
+  credentials: MongoCredentials,
+  nonce: Buffer
+) {
+  const username = cleanUsername(credentials.username);
+  const mechanism =
+    cryptoMethod === 'sha1' ? AuthMechanism.MONGODB_SCRAM_SHA1 : AuthMechanism.MONGODB_SCRAM_SHA256;
+
+  // NOTE: This is done b/c Javascript uses UTF-16, but the server is hashing in UTF-8.
+  // Since the username is not sasl-prep-d, we need to do this here.
+  return {
+    saslStart: 1,
+    mechanism,
+    payload: new Binary(
+      Buffer.concat([Buffer.from('n,,', 'utf8'), clientFirstMessageBare(username, nonce)])
+    ),
+    autoAuthorize: 1,
+    options: { skipEmptyExchange: true }
+  };
+}
+
+function executeScram(cryptoMethod: CryptoMethod, authContext: AuthContext, callback: Callback) {
+  const { connection, credentials } = authContext;
+  if (!credentials) {
+    return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+  }
+  if (!authContext.nonce) {
+    return callback(
+      new MongoInvalidArgumentError('AuthContext must contain a valid nonce property')
+    );
+  }
+  const nonce = authContext.nonce;
+  const db = credentials.source;
+
+  const saslStartCmd = makeFirstMessage(cryptoMethod, credentials, nonce);
+  connection.command(ns(`${db}.$cmd`), saslStartCmd, undefined, (_err, result) => {
+    const err = resolveError(_err, result);
+    if (err) {
+      return callback(err);
+    }
+
+    continueScramConversation(cryptoMethod, result, authContext, callback);
+  });
+}
+
+function continueScramConversation(
+  cryptoMethod: CryptoMethod,
+  response: Document,
+  authContext: AuthContext,
+  callback: Callback
+) {
+  const connection = authContext.connection;
+  const credentials = authContext.credentials;
+  if (!credentials) {
+    return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+  }
+  if (!authContext.nonce) {
+    return callback(new MongoInvalidArgumentError('Unable to continue SCRAM without valid nonce'));
+  }
+  const nonce = authContext.nonce;
+
+  const db = credentials.source;
+  const username = cleanUsername(credentials.username);
+  const password = credentials.password;
+
+  let processedPassword;
+  if (cryptoMethod === 'sha256') {
+    processedPassword = 'kModuleError' in saslprep ? password : saslprep(password);
+  } else {
+    try {
+      processedPassword = passwordDigest(username, password);
+    } catch (e) {
+      return callback(e);
+    }
+  }
+
+  const payload = Buffer.isBuffer(response.payload)
+    ? new Binary(response.payload)
+    : response.payload;
+  const dict = parsePayload(payload.value());
+
+  const iterations = parseInt(dict.i, 10);
+  if (iterations && iterations < 4096) {
+    callback(
+      // TODO(NODE-3483)
+      new MongoRuntimeError(`Server returned an invalid iteration count ${iterations}`),
+      false
+    );
+    return;
+  }
+
+  const salt = dict.s;
+  const rnonce = dict.r;
+  if (rnonce.startsWith('nonce')) {
+    // TODO(NODE-3483)
+    callback(new MongoRuntimeError(`Server returned an invalid nonce: ${rnonce}`), false);
+    return;
+  }
+
+  // Set up start of proof
+  const withoutProof = `c=biws,r=${rnonce}`;
+  const saltedPassword = HI(
+    processedPassword,
+    Buffer.from(salt, 'base64'),
+    iterations,
+    cryptoMethod
+  );
+
+  const clientKey = HMAC(cryptoMethod, saltedPassword, 'Client Key');
+  const serverKey = HMAC(cryptoMethod, saltedPassword, 'Server Key');
+  const storedKey = H(cryptoMethod, clientKey);
+  const authMessage = [clientFirstMessageBare(username, nonce), payload.value(), withoutProof].join(
+    ','
+  );
+
+  const clientSignature = HMAC(cryptoMethod, storedKey, authMessage);
+  const clientProof = `p=${xor(clientKey, clientSignature)}`;
+  const clientFinal = [withoutProof, clientProof].join(',');
+
+  const serverSignature = HMAC(cryptoMethod, serverKey, authMessage);
+  const saslContinueCmd = {
+    saslContinue: 1,
+    conversationId: response.conversationId,
+    payload: new Binary(Buffer.from(clientFinal))
+  };
+
+  connection.command(ns(`${db}.$cmd`), saslContinueCmd, undefined, (_err, r) => {
+    const err = resolveError(_err, r);
+    if (err) {
+      return callback(err);
+    }
+
+    const parsedResponse = parsePayload(r.payload.value());
+    if (!compareDigest(Buffer.from(parsedResponse.v, 'base64'), serverSignature)) {
+      callback(new MongoRuntimeError('Server returned an invalid signature'));
+      return;
+    }
+
+    if (!r || r.done !== false) {
+      return callback(err, r);
+    }
+
+    const retrySaslContinueCmd = {
+      saslContinue: 1,
+      conversationId: r.conversationId,
+      payload: Buffer.alloc(0)
+    };
+
+    connection.command(ns(`${db}.$cmd`), retrySaslContinueCmd, undefined, callback);
+  });
+}
+
+function parsePayload(payload: string) {
+  const dict: Document = {};
+  const parts = payload.split(',');
+  for (let i = 0; i < parts.length; i++) {
+    const valueParts = parts[i].split('=');
+    dict[valueParts[0]] = valueParts[1];
+  }
+
+  return dict;
+}
+
+function passwordDigest(username: string, password: string) {
+  if (typeof username !== 'string') {
+    throw new MongoInvalidArgumentError('Username must be a string');
+  }
+
+  if (typeof password !== 'string') {
+    throw new MongoInvalidArgumentError('Password must be a string');
+  }
+
+  if (password.length === 0) {
+    throw new MongoInvalidArgumentError('Password cannot be empty');
+  }
+
+  let md5: crypto.Hash;
+  try {
+    md5 = crypto.createHash('md5');
+  } catch (err) {
+    if (crypto.getFips()) {
+      // This error is (slightly) more helpful than what comes from OpenSSL directly, e.g.
+      // 'Error: error:060800C8:digital envelope routines:EVP_DigestInit_ex:disabled for FIPS'
+      throw new Error('Auth mechanism SCRAM-SHA-1 is not supported in FIPS mode');
+    }
+    throw err;
+  }
+  md5.update(`${username}:mongo:${password}`, 'utf8');
+  return md5.digest('hex');
+}
+
+// XOR two buffers
+function xor(a: Buffer, b: Buffer) {
+  if (!Buffer.isBuffer(a)) {
+    a = Buffer.from(a);
+  }
+
+  if (!Buffer.isBuffer(b)) {
+    b = Buffer.from(b);
+  }
+
+  const length = Math.max(a.length, b.length);
+  const res = [];
+
+  for (let i = 0; i < length; i += 1) {
+    res.push(a[i] ^ b[i]);
+  }
+
+  return Buffer.from(res).toString('base64');
+}
+
+function H(method: CryptoMethod, text: Buffer) {
+  return crypto.createHash(method).update(text).digest();
+}
+
+function HMAC(method: CryptoMethod, key: Buffer, text: Buffer | string) {
+  return crypto.createHmac(method, key).update(text).digest();
+}
+
+interface HICache {
+  [key: string]: Buffer;
+}
+
+let _hiCache: HICache = {};
+let _hiCacheCount = 0;
+function _hiCachePurge() {
+  _hiCache = {};
+  _hiCacheCount = 0;
+}
+
+const hiLengthMap = {
+  sha256: 32,
+  sha1: 20
+};
+
+function HI(data: string, salt: Buffer, iterations: number, cryptoMethod: CryptoMethod) {
+  // omit the work if already generated
+  const key = [data, salt.toString('base64'), iterations].join('_');
+  if (_hiCache[key] != null) {
+    return _hiCache[key];
+  }
+
+  // generate the salt
+  const saltedData = crypto.pbkdf2Sync(
+    data,
+    salt,
+    iterations,
+    hiLengthMap[cryptoMethod],
+    cryptoMethod
+  );
+
+  // cache a copy to speed up the next lookup, but prevent unbounded cache growth
+  if (_hiCacheCount >= 200) {
+    _hiCachePurge();
+  }
+
+  _hiCache[key] = saltedData;
+  _hiCacheCount += 1;
+  return saltedData;
+}
+
+function compareDigest(lhs: Buffer, rhs: Uint8Array) {
+  if (lhs.length !== rhs.length) {
+    return false;
+  }
+
+  if (typeof crypto.timingSafeEqual === 'function') {
+    return crypto.timingSafeEqual(lhs, rhs);
+  }
+
+  let result = 0;
+  for (let i = 0; i < lhs.length; i++) {
+    result |= lhs[i] ^ rhs[i];
+  }
+
+  return result === 0;
+}
+
+function resolveError(err?: AnyError, result?: Document) {
+  if (err) return err;
+  if (result) {
+    if (result.$err || result.errmsg) return new MongoServerError(result);
+  }
+  return;
+}
+
+export class ScramSHA1 extends ScramSHA {
+  constructor() {
+    super('sha1');
+  }
+}
+
+export class ScramSHA256 extends ScramSHA {
+  constructor() {
+    super('sha256');
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/x509.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/x509.ts
new file mode 100644
index 000000000..a12e6f9d8
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/auth/x509.ts
@@ -0,0 +1,53 @@
+import type { Document } from '../../bson';
+import { MongoMissingCredentialsError } from '../../error';
+import { Callback, ns } from '../../utils';
+import type { HandshakeDocument } from '../connect';
+import { AuthContext, AuthProvider } from './auth_provider';
+import type { MongoCredentials } from './mongo_credentials';
+
+export class X509 extends AuthProvider {
+  override prepare(
+    handshakeDoc: HandshakeDocument,
+    authContext: AuthContext,
+    callback: Callback
+  ): void {
+    const { credentials } = authContext;
+    if (!credentials) {
+      return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    Object.assign(handshakeDoc, {
+      speculativeAuthenticate: x509AuthenticateCommand(credentials)
+    });
+
+    callback(undefined, handshakeDoc);
+  }
+
+  override auth(authContext: AuthContext, callback: Callback): void {
+    const connection = authContext.connection;
+    const credentials = authContext.credentials;
+    if (!credentials) {
+      return callback(new MongoMissingCredentialsError('AuthContext must provide credentials.'));
+    }
+    const response = authContext.response;
+
+    if (response && response.speculativeAuthenticate) {
+      return callback();
+    }
+
+    connection.command(
+      ns('$external.$cmd'),
+      x509AuthenticateCommand(credentials),
+      undefined,
+      callback
+    );
+  }
+}
+
+function x509AuthenticateCommand(credentials: MongoCredentials) {
+  const command: Document = { authenticate: 1, mechanism: 'MONGODB-X509' };
+  if (credentials.username) {
+    command.user = credentials.username;
+  }
+
+  return command;
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/command_monitoring_events.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/command_monitoring_events.ts
new file mode 100644
index 000000000..40c3419a1
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/command_monitoring_events.ts
@@ -0,0 +1,301 @@
+import type { Document, ObjectId } from '../bson';
+import { LEGACY_HELLO_COMMAND, LEGACY_HELLO_COMMAND_CAMEL_CASE } from '../constants';
+import { calculateDurationInMs, deepCopy } from '../utils';
+import { Msg, WriteProtocolMessageType } from './commands';
+import type { Connection } from './connection';
+
+/**
+ * An event indicating the start of a given
+ * @public
+ * @category Event
+ */
+export class CommandStartedEvent {
+  commandObj?: Document;
+  requestId: number;
+  databaseName: string;
+  commandName: string;
+  command: Document;
+  address: string;
+  connectionId?: string | number;
+  serviceId?: ObjectId;
+
+  /**
+   * Create a started event
+   *
+   * @internal
+   * @param pool - the pool that originated the command
+   * @param command - the command
+   */
+  constructor(connection: Connection, command: WriteProtocolMessageType) {
+    const cmd = extractCommand(command);
+    const commandName = extractCommandName(cmd);
+    const { address, connectionId, serviceId } = extractConnectionDetails(connection);
+
+    // TODO: remove in major revision, this is not spec behavior
+    if (SENSITIVE_COMMANDS.has(commandName)) {
+      this.commandObj = {};
+      this.commandObj[commandName] = true;
+    }
+
+    this.address = address;
+    this.connectionId = connectionId;
+    this.serviceId = serviceId;
+    this.requestId = command.requestId;
+    this.databaseName = databaseName(command);
+    this.commandName = commandName;
+    this.command = maybeRedact(commandName, cmd, cmd);
+  }
+
+  /* @internal */
+  get hasServiceId(): boolean {
+    return !!this.serviceId;
+  }
+}
+
+/**
+ * An event indicating the success of a given command
+ * @public
+ * @category Event
+ */
+export class CommandSucceededEvent {
+  address: string;
+  connectionId?: string | number;
+  requestId: number;
+  duration: number;
+  commandName: string;
+  reply: unknown;
+  serviceId?: ObjectId;
+
+  /**
+   * Create a succeeded event
+   *
+   * @internal
+   * @param pool - the pool that originated the command
+   * @param command - the command
+   * @param reply - the reply for this command from the server
+   * @param started - a high resolution tuple timestamp of when the command was first sent, to calculate duration
+   */
+  constructor(
+    connection: Connection,
+    command: WriteProtocolMessageType,
+    reply: Document | undefined,
+    started: number
+  ) {
+    const cmd = extractCommand(command);
+    const commandName = extractCommandName(cmd);
+    const { address, connectionId, serviceId } = extractConnectionDetails(connection);
+
+    this.address = address;
+    this.connectionId = connectionId;
+    this.serviceId = serviceId;
+    this.requestId = command.requestId;
+    this.commandName = commandName;
+    this.duration = calculateDurationInMs(started);
+    this.reply = maybeRedact(commandName, cmd, extractReply(command, reply));
+  }
+
+  /* @internal */
+  get hasServiceId(): boolean {
+    return !!this.serviceId;
+  }
+}
+
+/**
+ * An event indicating the failure of a given command
+ * @public
+ * @category Event
+ */
+export class CommandFailedEvent {
+  address: string;
+  connectionId?: string | number;
+  requestId: number;
+  duration: number;
+  commandName: string;
+  failure: Error;
+  serviceId?: ObjectId;
+
+  /**
+   * Create a failure event
+   *
+   * @internal
+   * @param pool - the pool that originated the command
+   * @param command - the command
+   * @param error - the generated error or a server error response
+   * @param started - a high resolution tuple timestamp of when the command was first sent, to calculate duration
+   */
+  constructor(
+    connection: Connection,
+    command: WriteProtocolMessageType,
+    error: Error | Document,
+    started: number
+  ) {
+    const cmd = extractCommand(command);
+    const commandName = extractCommandName(cmd);
+    const { address, connectionId, serviceId } = extractConnectionDetails(connection);
+
+    this.address = address;
+    this.connectionId = connectionId;
+    this.serviceId = serviceId;
+
+    this.requestId = command.requestId;
+    this.commandName = commandName;
+    this.duration = calculateDurationInMs(started);
+    this.failure = maybeRedact(commandName, cmd, error) as Error;
+  }
+
+  /* @internal */
+  get hasServiceId(): boolean {
+    return !!this.serviceId;
+  }
+}
+
+/** Commands that we want to redact because of the sensitive nature of their contents */
+const SENSITIVE_COMMANDS = new Set([
+  'authenticate',
+  'saslStart',
+  'saslContinue',
+  'getnonce',
+  'createUser',
+  'updateUser',
+  'copydbgetnonce',
+  'copydbsaslstart',
+  'copydb'
+]);
+
+const HELLO_COMMANDS = new Set(['hello', LEGACY_HELLO_COMMAND, LEGACY_HELLO_COMMAND_CAMEL_CASE]);
+
+// helper methods
+const extractCommandName = (commandDoc: Document) => Object.keys(commandDoc)[0];
+const namespace = (command: WriteProtocolMessageType) => command.ns;
+const databaseName = (command: WriteProtocolMessageType) => command.ns.split('.')[0];
+const collectionName = (command: WriteProtocolMessageType) => command.ns.split('.')[1];
+const maybeRedact = (commandName: string, commandDoc: Document, result: Error | Document) =>
+  SENSITIVE_COMMANDS.has(commandName) ||
+  (HELLO_COMMANDS.has(commandName) && commandDoc.speculativeAuthenticate)
+    ? {}
+    : result;
+
+const LEGACY_FIND_QUERY_MAP: { [key: string]: string } = {
+  $query: 'filter',
+  $orderby: 'sort',
+  $hint: 'hint',
+  $comment: 'comment',
+  $maxScan: 'maxScan',
+  $max: 'max',
+  $min: 'min',
+  $returnKey: 'returnKey',
+  $showDiskLoc: 'showRecordId',
+  $maxTimeMS: 'maxTimeMS',
+  $snapshot: 'snapshot'
+};
+
+const LEGACY_FIND_OPTIONS_MAP = {
+  numberToSkip: 'skip',
+  numberToReturn: 'batchSize',
+  returnFieldSelector: 'projection'
+} as const;
+
+const OP_QUERY_KEYS = [
+  'tailable',
+  'oplogReplay',
+  'noCursorTimeout',
+  'awaitData',
+  'partial',
+  'exhaust'
+] as const;
+
+/** Extract the actual command from the query, possibly up-converting if it's a legacy format */
+function extractCommand(command: WriteProtocolMessageType): Document {
+  if (command instanceof Msg) {
+    return deepCopy(command.command);
+  }
+
+  if (command.query?.$query) {
+    let result: Document;
+    if (command.ns === 'admin.$cmd') {
+      // up-convert legacy command
+      result = Object.assign({}, command.query.$query);
+    } else {
+      // up-convert legacy find command
+      result = { find: collectionName(command) };
+      Object.keys(LEGACY_FIND_QUERY_MAP).forEach(key => {
+        if (command.query[key] != null) {
+          result[LEGACY_FIND_QUERY_MAP[key]] = deepCopy(command.query[key]);
+        }
+      });
+    }
+
+    Object.keys(LEGACY_FIND_OPTIONS_MAP).forEach(key => {
+      const legacyKey = key as keyof typeof LEGACY_FIND_OPTIONS_MAP;
+      if (command[legacyKey] != null) {
+        result[LEGACY_FIND_OPTIONS_MAP[legacyKey]] = deepCopy(command[legacyKey]);
+      }
+    });
+
+    OP_QUERY_KEYS.forEach(key => {
+      if (command[key]) {
+        result[key] = command[key];
+      }
+    });
+
+    if (command.pre32Limit != null) {
+      result.limit = command.pre32Limit;
+    }
+
+    if (command.query.$explain) {
+      return { explain: result };
+    }
+    return result;
+  }
+
+  const clonedQuery: Record<string, unknown> = {};
+  const clonedCommand: Record<string, unknown> = {};
+  if (command.query) {
+    for (const k in command.query) {
+      clonedQuery[k] = deepCopy(command.query[k]);
+    }
+    clonedCommand.query = clonedQuery;
+  }
+
+  for (const k in command) {
+    if (k === 'query') continue;
+    clonedCommand[k] = deepCopy((command as unknown as Record<string, unknown>)[k]);
+  }
+  return command.query ? clonedQuery : clonedCommand;
+}
+
+function extractReply(command: WriteProtocolMessageType, reply?: Document) {
+  if (!reply) {
+    return reply;
+  }
+
+  if (command instanceof Msg) {
+    return deepCopy(reply.result ? reply.result : reply);
+  }
+
+  // is this a legacy find command?
+  if (command.query && command.query.$query != null) {
+    return {
+      ok: 1,
+      cursor: {
+        id: deepCopy(reply.cursorId),
+        ns: namespace(command),
+        firstBatch: deepCopy(reply.documents)
+      }
+    };
+  }
+
+  return deepCopy(reply.result ? reply.result : reply);
+}
+
+function extractConnectionDetails(connection: Connection) {
+  let connectionId;
+  if ('id' in connection) {
+    connectionId = connection.id;
+  }
+  return {
+    address: connection.address,
+    serviceId: connection.serviceId,
+    connectionId
+  };
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/commands.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/commands.ts
new file mode 100644
index 000000000..b2d93dc05
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/commands.ts
@@ -0,0 +1,703 @@
+import type { BSONSerializeOptions, Document, Long } from '../bson';
+import * as BSON from '../bson';
+import { MongoInvalidArgumentError, MongoRuntimeError } from '../error';
+import { ReadPreference } from '../read_preference';
+import type { ClientSession } from '../sessions';
+import { databaseNamespace } from '../utils';
+import type { CommandOptions } from './connection';
+import { OP_MSG, OP_QUERY } from './wire_protocol/constants';
+
+// Incrementing request id
+let _requestId = 0;
+
+// Query flags
+const OPTS_TAILABLE_CURSOR = 2;
+const OPTS_SECONDARY = 4;
+const OPTS_OPLOG_REPLAY = 8;
+const OPTS_NO_CURSOR_TIMEOUT = 16;
+const OPTS_AWAIT_DATA = 32;
+const OPTS_EXHAUST = 64;
+const OPTS_PARTIAL = 128;
+
+// Response flags
+const CURSOR_NOT_FOUND = 1;
+const QUERY_FAILURE = 2;
+const SHARD_CONFIG_STALE = 4;
+const AWAIT_CAPABLE = 8;
+
+/** @internal */
+export type WriteProtocolMessageType = Query | Msg;
+
+/** @internal */
+export interface OpQueryOptions extends CommandOptions {
+  socketTimeoutMS?: number;
+  session?: ClientSession;
+  documentsReturnedIn?: string;
+  numberToSkip?: number;
+  numberToReturn?: number;
+  returnFieldSelector?: Document;
+  pre32Limit?: number;
+  serializeFunctions?: boolean;
+  ignoreUndefined?: boolean;
+  maxBsonSize?: number;
+  checkKeys?: boolean;
+  secondaryOk?: boolean;
+
+  requestId?: number;
+  moreToCome?: boolean;
+  exhaustAllowed?: boolean;
+  readPreference?: ReadPreference;
+}
+
+/**************************************************************
+ * QUERY
+ **************************************************************/
+/** @internal */
+export class Query {
+  ns: string;
+  query: Document;
+  numberToSkip: number;
+  numberToReturn: number;
+  returnFieldSelector?: Document;
+  requestId: number;
+  pre32Limit?: number;
+  serializeFunctions: boolean;
+  ignoreUndefined: boolean;
+  maxBsonSize: number;
+  checkKeys: boolean;
+  batchSize: number;
+  tailable: boolean;
+  secondaryOk: boolean;
+  oplogReplay: boolean;
+  noCursorTimeout: boolean;
+  awaitData: boolean;
+  exhaust: boolean;
+  partial: boolean;
+  documentsReturnedIn?: string;
+
+  constructor(ns: string, query: Document, options: OpQueryOptions) {
+    // Basic options needed to be passed in
+    // TODO(NODE-3483): Replace with MongoCommandError
+    if (ns == null) throw new MongoRuntimeError('Namespace must be specified for query');
+    // TODO(NODE-3483): Replace with MongoCommandError
+    if (query == null) throw new MongoRuntimeError('A query document must be specified for query');
+
+    // Validate that we are not passing 0x00 in the collection name
+    if (ns.indexOf('\x00') !== -1) {
+      // TODO(NODE-3483): Use MongoNamespace static method
+      throw new MongoRuntimeError('Namespace cannot contain a null character');
+    }
+
+    // Basic options
+    this.ns = ns;
+    this.query = query;
+
+    // Additional options
+    this.numberToSkip = options.numberToSkip || 0;
+    this.numberToReturn = options.numberToReturn || 0;
+    this.returnFieldSelector = options.returnFieldSelector || undefined;
+    this.requestId = Query.getRequestId();
+
+    // special case for pre-3.2 find commands, delete ASAP
+    this.pre32Limit = options.pre32Limit;
+
+    // Serialization option
+    this.serializeFunctions =
+      typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+    this.ignoreUndefined =
+      typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : false;
+    this.maxBsonSize = options.maxBsonSize || 1024 * 1024 * 16;
+    this.checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+    this.batchSize = this.numberToReturn;
+
+    // Flags
+    this.tailable = false;
+    this.secondaryOk = typeof options.secondaryOk === 'boolean' ? options.secondaryOk : false;
+    this.oplogReplay = false;
+    this.noCursorTimeout = false;
+    this.awaitData = false;
+    this.exhaust = false;
+    this.partial = false;
+  }
+
+  /** Assign next request Id. */
+  incRequestId(): void {
+    this.requestId = _requestId++;
+  }
+
+  /** Peek next request Id. */
+  nextRequestId(): number {
+    return _requestId + 1;
+  }
+
+  /** Increment then return next request Id. */
+  static getRequestId(): number {
+    return ++_requestId;
+  }
+
+  // Uses a single allocated buffer for the process, avoiding multiple memory allocations
+  toBin(): Buffer[] {
+    const buffers = [];
+    let projection = null;
+
+    // Set up the flags
+    let flags = 0;
+    if (this.tailable) {
+      flags |= OPTS_TAILABLE_CURSOR;
+    }
+
+    if (this.secondaryOk) {
+      flags |= OPTS_SECONDARY;
+    }
+
+    if (this.oplogReplay) {
+      flags |= OPTS_OPLOG_REPLAY;
+    }
+
+    if (this.noCursorTimeout) {
+      flags |= OPTS_NO_CURSOR_TIMEOUT;
+    }
+
+    if (this.awaitData) {
+      flags |= OPTS_AWAIT_DATA;
+    }
+
+    if (this.exhaust) {
+      flags |= OPTS_EXHAUST;
+    }
+
+    if (this.partial) {
+      flags |= OPTS_PARTIAL;
+    }
+
+    // If batchSize is different to this.numberToReturn
+    if (this.batchSize !== this.numberToReturn) this.numberToReturn = this.batchSize;
+
+    // Allocate write protocol header buffer
+    const header = Buffer.alloc(
+      4 * 4 + // Header
+        4 + // Flags
+        Buffer.byteLength(this.ns) +
+        1 + // namespace
+        4 + // numberToSkip
+        4 // numberToReturn
+    );
+
+    // Add header to buffers
+    buffers.push(header);
+
+    // Serialize the query
+    const query = BSON.serialize(this.query, {
+      checkKeys: this.checkKeys,
+      serializeFunctions: this.serializeFunctions,
+      ignoreUndefined: this.ignoreUndefined
+    });
+
+    // Add query document
+    buffers.push(query);
+
+    if (this.returnFieldSelector && Object.keys(this.returnFieldSelector).length > 0) {
+      // Serialize the projection document
+      projection = BSON.serialize(this.returnFieldSelector, {
+        checkKeys: this.checkKeys,
+        serializeFunctions: this.serializeFunctions,
+        ignoreUndefined: this.ignoreUndefined
+      });
+      // Add projection document
+      buffers.push(projection);
+    }
+
+    // Total message size
+    const totalLength = header.length + query.length + (projection ? projection.length : 0);
+
+    // Set up the index
+    let index = 4;
+
+    // Write total document length
+    header[3] = (totalLength >> 24) & 0xff;
+    header[2] = (totalLength >> 16) & 0xff;
+    header[1] = (totalLength >> 8) & 0xff;
+    header[0] = totalLength & 0xff;
+
+    // Write header information requestId
+    header[index + 3] = (this.requestId >> 24) & 0xff;
+    header[index + 2] = (this.requestId >> 16) & 0xff;
+    header[index + 1] = (this.requestId >> 8) & 0xff;
+    header[index] = this.requestId & 0xff;
+    index = index + 4;
+
+    // Write header information responseTo
+    header[index + 3] = (0 >> 24) & 0xff;
+    header[index + 2] = (0 >> 16) & 0xff;
+    header[index + 1] = (0 >> 8) & 0xff;
+    header[index] = 0 & 0xff;
+    index = index + 4;
+
+    // Write header information OP_QUERY
+    header[index + 3] = (OP_QUERY >> 24) & 0xff;
+    header[index + 2] = (OP_QUERY >> 16) & 0xff;
+    header[index + 1] = (OP_QUERY >> 8) & 0xff;
+    header[index] = OP_QUERY & 0xff;
+    index = index + 4;
+
+    // Write header information flags
+    header[index + 3] = (flags >> 24) & 0xff;
+    header[index + 2] = (flags >> 16) & 0xff;
+    header[index + 1] = (flags >> 8) & 0xff;
+    header[index] = flags & 0xff;
+    index = index + 4;
+
+    // Write collection name
+    index = index + header.write(this.ns, index, 'utf8') + 1;
+    header[index - 1] = 0;
+
+    // Write header information flags numberToSkip
+    header[index + 3] = (this.numberToSkip >> 24) & 0xff;
+    header[index + 2] = (this.numberToSkip >> 16) & 0xff;
+    header[index + 1] = (this.numberToSkip >> 8) & 0xff;
+    header[index] = this.numberToSkip & 0xff;
+    index = index + 4;
+
+    // Write header information flags numberToReturn
+    header[index + 3] = (this.numberToReturn >> 24) & 0xff;
+    header[index + 2] = (this.numberToReturn >> 16) & 0xff;
+    header[index + 1] = (this.numberToReturn >> 8) & 0xff;
+    header[index] = this.numberToReturn & 0xff;
+    index = index + 4;
+
+    // Return the buffers
+    return buffers;
+  }
+}
+
+/** @internal */
+export interface MessageHeader {
+  length: number;
+  requestId: number;
+  responseTo: number;
+  opCode: number;
+  fromCompressed?: boolean;
+}
+
+/** @internal */
+export interface OpResponseOptions extends BSONSerializeOptions {
+  raw?: boolean;
+  documentsReturnedIn?: string | null;
+}
+
+/** @internal */
+export class Response {
+  parsed: boolean;
+  raw: Buffer;
+  data: Buffer;
+  opts: OpResponseOptions;
+  length: number;
+  requestId: number;
+  responseTo: number;
+  opCode: number;
+  fromCompressed?: boolean;
+  responseFlags?: number;
+  cursorId?: Long;
+  startingFrom?: number;
+  numberReturned?: number;
+  documents: (Document | Buffer)[] = new Array(0);
+  cursorNotFound?: boolean;
+  queryFailure?: boolean;
+  shardConfigStale?: boolean;
+  awaitCapable?: boolean;
+  promoteLongs: boolean;
+  promoteValues: boolean;
+  promoteBuffers: boolean;
+  bsonRegExp?: boolean;
+  index?: number;
+
+  constructor(
+    message: Buffer,
+    msgHeader: MessageHeader,
+    msgBody: Buffer,
+    opts?: OpResponseOptions
+  ) {
+    this.parsed = false;
+    this.raw = message;
+    this.data = msgBody;
+    this.opts = opts ?? {
+      promoteLongs: true,
+      promoteValues: true,
+      promoteBuffers: false,
+      bsonRegExp: false
+    };
+
+    // Read the message header
+    this.length = msgHeader.length;
+    this.requestId = msgHeader.requestId;
+    this.responseTo = msgHeader.responseTo;
+    this.opCode = msgHeader.opCode;
+    this.fromCompressed = msgHeader.fromCompressed;
+
+    // Flag values
+    this.promoteLongs = typeof this.opts.promoteLongs === 'boolean' ? this.opts.promoteLongs : true;
+    this.promoteValues =
+      typeof this.opts.promoteValues === 'boolean' ? this.opts.promoteValues : true;
+    this.promoteBuffers =
+      typeof this.opts.promoteBuffers === 'boolean' ? this.opts.promoteBuffers : false;
+    this.bsonRegExp = typeof this.opts.bsonRegExp === 'boolean' ? this.opts.bsonRegExp : false;
+  }
+
+  isParsed(): boolean {
+    return this.parsed;
+  }
+
+  parse(options: OpResponseOptions): void {
+    // Don't parse again if not needed
+    if (this.parsed) return;
+    options = options ?? {};
+
+    // Allow the return of raw documents instead of parsing
+    const raw = options.raw || false;
+    const documentsReturnedIn = options.documentsReturnedIn || null;
+    const promoteLongs = options.promoteLongs ?? this.opts.promoteLongs;
+    const promoteValues = options.promoteValues ?? this.opts.promoteValues;
+    const promoteBuffers = options.promoteBuffers ?? this.opts.promoteBuffers;
+    const bsonRegExp = options.bsonRegExp ?? this.opts.bsonRegExp;
+    let bsonSize;
+
+    // Set up the options
+    const _options: BSONSerializeOptions = {
+      promoteLongs,
+      promoteValues,
+      promoteBuffers,
+      bsonRegExp
+    };
+
+    // Position within OP_REPLY at which documents start
+    // (See https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#wire-op-reply)
+    this.index = 20;
+
+    // Read the message body
+    this.responseFlags = this.data.readInt32LE(0);
+    this.cursorId = new BSON.Long(this.data.readInt32LE(4), this.data.readInt32LE(8));
+    this.startingFrom = this.data.readInt32LE(12);
+    this.numberReturned = this.data.readInt32LE(16);
+
+    // Preallocate document array
+    this.documents = new Array(this.numberReturned);
+
+    this.cursorNotFound = (this.responseFlags & CURSOR_NOT_FOUND) !== 0;
+    this.queryFailure = (this.responseFlags & QUERY_FAILURE) !== 0;
+    this.shardConfigStale = (this.responseFlags & SHARD_CONFIG_STALE) !== 0;
+    this.awaitCapable = (this.responseFlags & AWAIT_CAPABLE) !== 0;
+
+    // Parse Body
+    for (let i = 0; i < this.numberReturned; i++) {
+      bsonSize =
+        this.data[this.index] |
+        (this.data[this.index + 1] << 8) |
+        (this.data[this.index + 2] << 16) |
+        (this.data[this.index + 3] << 24);
+
+      // If we have raw results specified slice the return document
+      if (raw) {
+        this.documents[i] = this.data.slice(this.index, this.index + bsonSize);
+      } else {
+        this.documents[i] = BSON.deserialize(
+          this.data.slice(this.index, this.index + bsonSize),
+          _options
+        );
+      }
+
+      // Adjust the index
+      this.index = this.index + bsonSize;
+    }
+
+    if (this.documents.length === 1 && documentsReturnedIn != null && raw) {
+      const fieldsAsRaw: Document = {};
+      fieldsAsRaw[documentsReturnedIn] = true;
+      _options.fieldsAsRaw = fieldsAsRaw;
+
+      const doc = BSON.deserialize(this.documents[0] as Buffer, _options);
+      this.documents = [doc];
+    }
+
+    // Set parsed
+    this.parsed = true;
+  }
+}
+
+// Implementation of OP_MSG spec:
+// https://github.com/mongodb/specifications/blob/master/source/message/OP_MSG.rst
+//
+// struct Section {
+//   uint8 payloadType;
+//   union payload {
+//       document  document; // payloadType == 0
+//       struct sequence { // payloadType == 1
+//           int32      size;
+//           cstring    identifier;
+//           document*  documents;
+//       };
+//   };
+// };
+
+// struct OP_MSG {
+//   struct MsgHeader {
+//       int32  messageLength;
+//       int32  requestID;
+//       int32  responseTo;
+//       int32  opCode = 2013;
+//   };
+//   uint32      flagBits;
+//   Section+    sections;
+//   [uint32     checksum;]
+// };
+
+// Msg Flags
+const OPTS_CHECKSUM_PRESENT = 1;
+const OPTS_MORE_TO_COME = 2;
+const OPTS_EXHAUST_ALLOWED = 1 << 16;
+
+/** @internal */
+export interface OpMsgOptions {
+  requestId: number;
+  serializeFunctions: boolean;
+  ignoreUndefined: boolean;
+  checkKeys: boolean;
+  maxBsonSize: number;
+  moreToCome: boolean;
+  exhaustAllowed: boolean;
+  readPreference: ReadPreference;
+}
+
+/** @internal */
+export class Msg {
+  ns: string;
+  command: Document;
+  options: OpQueryOptions;
+  requestId: number;
+  serializeFunctions: boolean;
+  ignoreUndefined: boolean;
+  checkKeys: boolean;
+  maxBsonSize: number;
+  checksumPresent: boolean;
+  moreToCome: boolean;
+  exhaustAllowed: boolean;
+
+  constructor(ns: string, command: Document, options: OpQueryOptions) {
+    // Basic options needed to be passed in
+    if (command == null)
+      throw new MongoInvalidArgumentError('Query document must be specified for query');
+
+    // Basic options
+    this.ns = ns;
+    this.command = command;
+    this.command.$db = databaseNamespace(ns);
+
+    if (options.readPreference && options.readPreference.mode !== ReadPreference.PRIMARY) {
+      this.command.$readPreference = options.readPreference.toJSON();
+    }
+
+    // Ensure empty options
+    this.options = options ?? {};
+
+    // Additional options
+    this.requestId = options.requestId ? options.requestId : Msg.getRequestId();
+
+    // Serialization option
+    this.serializeFunctions =
+      typeof options.serializeFunctions === 'boolean' ? options.serializeFunctions : false;
+    this.ignoreUndefined =
+      typeof options.ignoreUndefined === 'boolean' ? options.ignoreUndefined : false;
+    this.checkKeys = typeof options.checkKeys === 'boolean' ? options.checkKeys : false;
+    this.maxBsonSize = options.maxBsonSize || 1024 * 1024 * 16;
+
+    // flags
+    this.checksumPresent = false;
+    this.moreToCome = options.moreToCome || false;
+    this.exhaustAllowed =
+      typeof options.exhaustAllowed === 'boolean' ? options.exhaustAllowed : false;
+  }
+
+  toBin(): Buffer[] {
+    const buffers: Buffer[] = [];
+    let flags = 0;
+
+    if (this.checksumPresent) {
+      flags |= OPTS_CHECKSUM_PRESENT;
+    }
+
+    if (this.moreToCome) {
+      flags |= OPTS_MORE_TO_COME;
+    }
+
+    if (this.exhaustAllowed) {
+      flags |= OPTS_EXHAUST_ALLOWED;
+    }
+
+    const header = Buffer.alloc(
+      4 * 4 + // Header
+        4 // Flags
+    );
+
+    buffers.push(header);
+
+    let totalLength = header.length;
+    const command = this.command;
+    totalLength += this.makeDocumentSegment(buffers, command);
+
+    header.writeInt32LE(totalLength, 0); // messageLength
+    header.writeInt32LE(this.requestId, 4); // requestID
+    header.writeInt32LE(0, 8); // responseTo
+    header.writeInt32LE(OP_MSG, 12); // opCode
+    header.writeUInt32LE(flags, 16); // flags
+    return buffers;
+  }
+
+  makeDocumentSegment(buffers: Buffer[], document: Document): number {
+    const payloadTypeBuffer = Buffer.alloc(1);
+    payloadTypeBuffer[0] = 0;
+
+    const documentBuffer = this.serializeBson(document);
+    buffers.push(payloadTypeBuffer);
+    buffers.push(documentBuffer);
+
+    return payloadTypeBuffer.length + documentBuffer.length;
+  }
+
+  serializeBson(document: Document): Buffer {
+    return BSON.serialize(document, {
+      checkKeys: this.checkKeys,
+      serializeFunctions: this.serializeFunctions,
+      ignoreUndefined: this.ignoreUndefined
+    });
+  }
+
+  static getRequestId(): number {
+    _requestId = (_requestId + 1) & 0x7fffffff;
+    return _requestId;
+  }
+}
+
+/** @internal */
+export class BinMsg {
+  parsed: boolean;
+  raw: Buffer;
+  data: Buffer;
+  opts: OpResponseOptions;
+  length: number;
+  requestId: number;
+  responseTo: number;
+  opCode: number;
+  fromCompressed?: boolean;
+  responseFlags: number;
+  checksumPresent: boolean;
+  moreToCome: boolean;
+  exhaustAllowed: boolean;
+  promoteLongs: boolean;
+  promoteValues: boolean;
+  promoteBuffers: boolean;
+  bsonRegExp: boolean;
+  documents: (Document | Buffer)[];
+  index?: number;
+
+  constructor(
+    message: Buffer,
+    msgHeader: MessageHeader,
+    msgBody: Buffer,
+    opts?: OpResponseOptions
+  ) {
+    this.parsed = false;
+    this.raw = message;
+    this.data = msgBody;
+    this.opts = opts ?? {
+      promoteLongs: true,
+      promoteValues: true,
+      promoteBuffers: false,
+      bsonRegExp: false
+    };
+
+    // Read the message header
+    this.length = msgHeader.length;
+    this.requestId = msgHeader.requestId;
+    this.responseTo = msgHeader.responseTo;
+    this.opCode = msgHeader.opCode;
+    this.fromCompressed = msgHeader.fromCompressed;
+
+    // Read response flags
+    this.responseFlags = msgBody.readInt32LE(0);
+    this.checksumPresent = (this.responseFlags & OPTS_CHECKSUM_PRESENT) !== 0;
+    this.moreToCome = (this.responseFlags & OPTS_MORE_TO_COME) !== 0;
+    this.exhaustAllowed = (this.responseFlags & OPTS_EXHAUST_ALLOWED) !== 0;
+    this.promoteLongs = typeof this.opts.promoteLongs === 'boolean' ? this.opts.promoteLongs : true;
+    this.promoteValues =
+      typeof this.opts.promoteValues === 'boolean' ? this.opts.promoteValues : true;
+    this.promoteBuffers =
+      typeof this.opts.promoteBuffers === 'boolean' ? this.opts.promoteBuffers : false;
+    this.bsonRegExp = typeof this.opts.bsonRegExp === 'boolean' ? this.opts.bsonRegExp : false;
+
+    this.documents = [];
+  }
+
+  isParsed(): boolean {
+    return this.parsed;
+  }
+
+  parse(options: OpResponseOptions): void {
+    // Don't parse again if not needed
+    if (this.parsed) return;
+    options = options ?? {};
+
+    this.index = 4;
+    // Allow the return of raw documents instead of parsing
+    const raw = options.raw || false;
+    const documentsReturnedIn = options.documentsReturnedIn || null;
+    const promoteLongs = options.promoteLongs ?? this.opts.promoteLongs;
+    const promoteValues = options.promoteValues ?? this.opts.promoteValues;
+    const promoteBuffers = options.promoteBuffers ?? this.opts.promoteBuffers;
+    const bsonRegExp = options.bsonRegExp ?? this.opts.bsonRegExp;
+    const validation = this.parseBsonSerializationOptions(options);
+
+    // Set up the options
+    const bsonOptions: BSONSerializeOptions = {
+      promoteLongs,
+      promoteValues,
+      promoteBuffers,
+      bsonRegExp,
+      validation
+      // Due to the strictness of the BSON libraries validation option we need this cast
+    } as BSONSerializeOptions & { validation: { utf8: { writeErrors: boolean } } };
+
+    while (this.index < this.data.length) {
+      const payloadType = this.data.readUInt8(this.index++);
+      if (payloadType === 0) {
+        const bsonSize = this.data.readUInt32LE(this.index);
+        const bin = this.data.slice(this.index, this.index + bsonSize);
+        this.documents.push(raw ? bin : BSON.deserialize(bin, bsonOptions));
+        this.index += bsonSize;
+      } else if (payloadType === 1) {
+        // It was decided that no driver makes use of payload type 1
+
+        // TODO(NODE-3483): Replace with MongoDeprecationError
+        throw new MongoRuntimeError('OP_MSG Payload Type 1 detected unsupported protocol');
+      }
+    }
+
+    if (this.documents.length === 1 && documentsReturnedIn != null && raw) {
+      const fieldsAsRaw: Document = {};
+      fieldsAsRaw[documentsReturnedIn] = true;
+      bsonOptions.fieldsAsRaw = fieldsAsRaw;
+      const doc = BSON.deserialize(this.documents[0] as Buffer, bsonOptions);
+      this.documents = [doc];
+    }
+
+    this.parsed = true;
+  }
+
+  parseBsonSerializationOptions({ enableUtf8Validation }: BSONSerializeOptions): {
+    utf8: { writeErrors: false } | false;
+  } {
+    if (enableUtf8Validation === false) {
+      return { utf8: false };
+    }
+
+    return { utf8: { writeErrors: false } };
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/connect.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/connect.ts
new file mode 100644
index 000000000..fedf73113
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/connect.ts
@@ -0,0 +1,523 @@
+import type { Socket, SocketConnectOpts } from 'net';
+import * as net from 'net';
+import { SocksClient } from 'socks';
+import type { ConnectionOptions as TLSConnectionOpts, TLSSocket } from 'tls';
+import * as tls from 'tls';
+
+import type { Document } from '../bson';
+import { Int32 } from '../bson';
+import { LEGACY_HELLO_COMMAND } from '../constants';
+import {
+  MongoCompatibilityError,
+  MongoError,
+  MongoErrorLabel,
+  MongoInvalidArgumentError,
+  MongoNetworkError,
+  MongoNetworkTimeoutError,
+  MongoRuntimeError,
+  MongoServerError,
+  needsRetryableWriteLabel
+} from '../error';
+import { Callback, ClientMetadata, HostAddress, makeClientMetadata, ns } from '../utils';
+import { AuthContext, AuthProvider } from './auth/auth_provider';
+import { GSSAPI } from './auth/gssapi';
+import { MongoCR } from './auth/mongocr';
+import { MongoDBAWS } from './auth/mongodb_aws';
+import { Plain } from './auth/plain';
+import { AuthMechanism } from './auth/providers';
+import { ScramSHA1, ScramSHA256 } from './auth/scram';
+import { X509 } from './auth/x509';
+import { Connection, ConnectionOptions, CryptoConnection } from './connection';
+import {
+  MAX_SUPPORTED_SERVER_VERSION,
+  MAX_SUPPORTED_WIRE_VERSION,
+  MIN_SUPPORTED_SERVER_VERSION,
+  MIN_SUPPORTED_WIRE_VERSION
+} from './wire_protocol/constants';
+
+const AUTH_PROVIDERS = new Map<AuthMechanism | string, AuthProvider>([
+  [AuthMechanism.MONGODB_AWS, new MongoDBAWS()],
+  [AuthMechanism.MONGODB_CR, new MongoCR()],
+  [AuthMechanism.MONGODB_GSSAPI, new GSSAPI()],
+  [AuthMechanism.MONGODB_PLAIN, new Plain()],
+  [AuthMechanism.MONGODB_SCRAM_SHA1, new ScramSHA1()],
+  [AuthMechanism.MONGODB_SCRAM_SHA256, new ScramSHA256()],
+  [AuthMechanism.MONGODB_X509, new X509()]
+]);
+
+/** @public */
+export type Stream = Socket | TLSSocket;
+
+export function connect(options: ConnectionOptions, callback: Callback<Connection>): void {
+  makeConnection({ ...options, existingSocket: undefined }, (err, socket) => {
+    if (err || !socket) {
+      return callback(err);
+    }
+
+    let ConnectionType = options.connectionType ?? Connection;
+    if (options.autoEncrypter) {
+      ConnectionType = CryptoConnection;
+    }
+    performInitialHandshake(new ConnectionType(socket, options), options, callback);
+  });
+}
+
+function checkSupportedServer(hello: Document, options: ConnectionOptions) {
+  const serverVersionHighEnough =
+    hello &&
+    (typeof hello.maxWireVersion === 'number' || hello.maxWireVersion instanceof Int32) &&
+    hello.maxWireVersion >= MIN_SUPPORTED_WIRE_VERSION;
+  const serverVersionLowEnough =
+    hello &&
+    (typeof hello.minWireVersion === 'number' || hello.minWireVersion instanceof Int32) &&
+    hello.minWireVersion <= MAX_SUPPORTED_WIRE_VERSION;
+
+  if (serverVersionHighEnough) {
+    if (serverVersionLowEnough) {
+      return null;
+    }
+
+    const message = `Server at ${options.hostAddress} reports minimum wire version ${JSON.stringify(
+      hello.minWireVersion
+    )}, but this version of the Node.js Driver requires at most ${MAX_SUPPORTED_WIRE_VERSION} (MongoDB ${MAX_SUPPORTED_SERVER_VERSION})`;
+    return new MongoCompatibilityError(message);
+  }
+
+  const message = `Server at ${options.hostAddress} reports maximum wire version ${
+    JSON.stringify(hello.maxWireVersion) ?? 0
+  }, but this version of the Node.js Driver requires at least ${MIN_SUPPORTED_WIRE_VERSION} (MongoDB ${MIN_SUPPORTED_SERVER_VERSION})`;
+  return new MongoCompatibilityError(message);
+}
+
+function performInitialHandshake(
+  conn: Connection,
+  options: ConnectionOptions,
+  _callback: Callback
+) {
+  const callback: Callback<Document> = function (err, ret) {
+    if (err && conn) {
+      conn.destroy();
+    }
+    _callback(err, ret);
+  };
+
+  const credentials = options.credentials;
+  if (credentials) {
+    if (
+      !(credentials.mechanism === AuthMechanism.MONGODB_DEFAULT) &&
+      !AUTH_PROVIDERS.get(credentials.mechanism)
+    ) {
+      callback(
+        new MongoInvalidArgumentError(`AuthMechanism '${credentials.mechanism}' not supported`)
+      );
+      return;
+    }
+  }
+
+  const authContext = new AuthContext(conn, credentials, options);
+  prepareHandshakeDocument(authContext, (err, handshakeDoc) => {
+    if (err || !handshakeDoc) {
+      return callback(err);
+    }
+
+    const handshakeOptions: Document = Object.assign({}, options);
+    if (typeof options.connectTimeoutMS === 'number') {
+      // The handshake technically is a monitoring check, so its socket timeout should be connectTimeoutMS
+      handshakeOptions.socketTimeoutMS = options.connectTimeoutMS;
+    }
+
+    const start = new Date().getTime();
+    conn.command(ns('admin.$cmd'), handshakeDoc, handshakeOptions, (err, response) => {
+      if (err) {
+        callback(err);
+        return;
+      }
+
+      if (response?.ok === 0) {
+        callback(new MongoServerError(response));
+        return;
+      }
+
+      if (!('isWritablePrimary' in response)) {
+        // Provide hello-style response document.
+        response.isWritablePrimary = response[LEGACY_HELLO_COMMAND];
+      }
+
+      if (response.helloOk) {
+        conn.helloOk = true;
+      }
+
+      const supportedServerErr = checkSupportedServer(response, options);
+      if (supportedServerErr) {
+        callback(supportedServerErr);
+        return;
+      }
+
+      if (options.loadBalanced) {
+        if (!response.serviceId) {
+          return callback(
+            new MongoCompatibilityError(
+              'Driver attempted to initialize in load balancing mode, ' +
+                'but the server does not support this mode.'
+            )
+          );
+        }
+      }
+
+      // NOTE: This is metadata attached to the connection while porting away from
+      //       handshake being done in the `Server` class. Likely, it should be
+      //       relocated, or at very least restructured.
+      conn.hello = response;
+      conn.lastHelloMS = new Date().getTime() - start;
+
+      if (!response.arbiterOnly && credentials) {
+        // store the response on auth context
+        authContext.response = response;
+
+        const resolvedCredentials = credentials.resolveAuthMechanism(response);
+        const provider = AUTH_PROVIDERS.get(resolvedCredentials.mechanism);
+        if (!provider) {
+          return callback(
+            new MongoInvalidArgumentError(
+              `No AuthProvider for ${resolvedCredentials.mechanism} defined.`
+            )
+          );
+        }
+        provider.auth(authContext, err => {
+          if (err) {
+            if (err instanceof MongoError) {
+              err.addErrorLabel(MongoErrorLabel.HandshakeError);
+              if (needsRetryableWriteLabel(err, response.maxWireVersion)) {
+                err.addErrorLabel(MongoErrorLabel.RetryableWriteError);
+              }
+            }
+            return callback(err);
+          }
+          callback(undefined, conn);
+        });
+
+        return;
+      }
+
+      callback(undefined, conn);
+    });
+  });
+}
+
+export interface HandshakeDocument extends Document {
+  /**
+   * @deprecated Use hello instead
+   */
+  ismaster?: boolean;
+  hello?: boolean;
+  helloOk?: boolean;
+  client: ClientMetadata;
+  compression: string[];
+  saslSupportedMechs?: string;
+  loadBalanced?: boolean;
+}
+
+/**
+ * @internal
+ *
+ * This function is only exposed for testing purposes.
+ */
+export function prepareHandshakeDocument(
+  authContext: AuthContext,
+  callback: Callback<HandshakeDocument>
+) {
+  const options = authContext.options;
+  const compressors = options.compressors ? options.compressors : [];
+  const { serverApi } = authContext.connection;
+
+  const handshakeDoc: HandshakeDocument = {
+    [serverApi?.version ? 'hello' : LEGACY_HELLO_COMMAND]: true,
+    helloOk: true,
+    client: options.metadata || makeClientMetadata(options),
+    compression: compressors
+  };
+
+  if (options.loadBalanced === true) {
+    handshakeDoc.loadBalanced = true;
+  }
+
+  const credentials = authContext.credentials;
+  if (credentials) {
+    if (credentials.mechanism === AuthMechanism.MONGODB_DEFAULT && credentials.username) {
+      handshakeDoc.saslSupportedMechs = `${credentials.source}.${credentials.username}`;
+
+      const provider = AUTH_PROVIDERS.get(AuthMechanism.MONGODB_SCRAM_SHA256);
+      if (!provider) {
+        // This auth mechanism is always present.
+        return callback(
+          new MongoInvalidArgumentError(
+            `No AuthProvider for ${AuthMechanism.MONGODB_SCRAM_SHA256} defined.`
+          )
+        );
+      }
+      return provider.prepare(handshakeDoc, authContext, callback);
+    }
+    const provider = AUTH_PROVIDERS.get(credentials.mechanism);
+    if (!provider) {
+      return callback(
+        new MongoInvalidArgumentError(`No AuthProvider for ${credentials.mechanism} defined.`)
+      );
+    }
+    return provider.prepare(handshakeDoc, authContext, callback);
+  }
+  callback(undefined, handshakeDoc);
+}
+
+/** @public */
+export const LEGAL_TLS_SOCKET_OPTIONS = [
+  'ALPNProtocols',
+  'ca',
+  'cert',
+  'checkServerIdentity',
+  'ciphers',
+  'crl',
+  'ecdhCurve',
+  'key',
+  'minDHSize',
+  'passphrase',
+  'pfx',
+  'rejectUnauthorized',
+  'secureContext',
+  'secureProtocol',
+  'servername',
+  'session'
+] as const;
+
+/** @public */
+export const LEGAL_TCP_SOCKET_OPTIONS = [
+  'family',
+  'hints',
+  'localAddress',
+  'localPort',
+  'lookup'
+] as const;
+
+function parseConnectOptions(options: ConnectionOptions): SocketConnectOpts {
+  const hostAddress = options.hostAddress;
+  if (!hostAddress) throw new MongoInvalidArgumentError('Option "hostAddress" is required');
+
+  const result: Partial<net.TcpNetConnectOpts & net.IpcNetConnectOpts> = {};
+  for (const name of LEGAL_TCP_SOCKET_OPTIONS) {
+    if (options[name] != null) {
+      (result as Document)[name] = options[name];
+    }
+  }
+
+  if (typeof hostAddress.socketPath === 'string') {
+    result.path = hostAddress.socketPath;
+    return result as net.IpcNetConnectOpts;
+  } else if (typeof hostAddress.host === 'string') {
+    result.host = hostAddress.host;
+    result.port = hostAddress.port;
+    return result as net.TcpNetConnectOpts;
+  } else {
+    // This should never happen since we set up HostAddresses
+    // But if we don't throw here the socket could hang until timeout
+    // TODO(NODE-3483)
+    throw new MongoRuntimeError(`Unexpected HostAddress ${JSON.stringify(hostAddress)}`);
+  }
+}
+
+type MakeConnectionOptions = ConnectionOptions & { existingSocket?: Stream };
+
+function parseSslOptions(options: MakeConnectionOptions): TLSConnectionOpts {
+  const result: TLSConnectionOpts = parseConnectOptions(options);
+  // Merge in valid SSL options
+  for (const name of LEGAL_TLS_SOCKET_OPTIONS) {
+    if (options[name] != null) {
+      (result as Document)[name] = options[name];
+    }
+  }
+
+  if (options.existingSocket) {
+    result.socket = options.existingSocket;
+  }
+
+  // Set default sni servername to be the same as host
+  if (result.servername == null && result.host && !net.isIP(result.host)) {
+    result.servername = result.host;
+  }
+
+  return result;
+}
+
+const SOCKET_ERROR_EVENT_LIST = ['error', 'close', 'timeout', 'parseError'] as const;
+type ErrorHandlerEventName = typeof SOCKET_ERROR_EVENT_LIST[number] | 'cancel';
+const SOCKET_ERROR_EVENTS = new Set(SOCKET_ERROR_EVENT_LIST);
+
+function makeConnection(options: MakeConnectionOptions, _callback: Callback<Stream>) {
+  const useTLS = options.tls ?? false;
+  const keepAlive = options.keepAlive ?? true;
+  const socketTimeoutMS = options.socketTimeoutMS ?? Reflect.get(options, 'socketTimeout') ?? 0;
+  const noDelay = options.noDelay ?? true;
+  const connectTimeoutMS = options.connectTimeoutMS ?? 30000;
+  const rejectUnauthorized = options.rejectUnauthorized ?? true;
+  const keepAliveInitialDelay =
+    ((options.keepAliveInitialDelay ?? 120000) > socketTimeoutMS
+      ? Math.round(socketTimeoutMS / 2)
+      : options.keepAliveInitialDelay) ?? 120000;
+  const existingSocket = options.existingSocket;
+
+  let socket: Stream;
+  const callback: Callback<Stream> = function (err, ret) {
+    if (err && socket) {
+      socket.destroy();
+    }
+
+    _callback(err, ret);
+  };
+
+  if (options.proxyHost != null) {
+    // Currently, only Socks5 is supported.
+    return makeSocks5Connection(
+      {
+        ...options,
+        connectTimeoutMS // Should always be present for Socks5
+      },
+      callback
+    );
+  }
+
+  if (useTLS) {
+    const tlsSocket = tls.connect(parseSslOptions(options));
+    if (typeof tlsSocket.disableRenegotiation === 'function') {
+      tlsSocket.disableRenegotiation();
+    }
+    socket = tlsSocket;
+  } else if (existingSocket) {
+    // In the TLS case, parseSslOptions() sets options.socket to existingSocket,
+    // so we only need to handle the non-TLS case here (where existingSocket
+    // gives us all we need out of the box).
+    socket = existingSocket;
+  } else {
+    socket = net.createConnection(parseConnectOptions(options));
+  }
+
+  socket.setKeepAlive(keepAlive, keepAliveInitialDelay);
+  socket.setTimeout(connectTimeoutMS);
+  socket.setNoDelay(noDelay);
+
+  const connectEvent = useTLS ? 'secureConnect' : 'connect';
+  let cancellationHandler: (err: Error) => void;
+  function errorHandler(eventName: ErrorHandlerEventName) {
+    return (err: Error) => {
+      SOCKET_ERROR_EVENTS.forEach(event => socket.removeAllListeners(event));
+      if (cancellationHandler && options.cancellationToken) {
+        options.cancellationToken.removeListener('cancel', cancellationHandler);
+      }
+
+      socket.removeListener(connectEvent, connectHandler);
+      callback(connectionFailureError(eventName, err));
+    };
+  }
+
+  function connectHandler() {
+    SOCKET_ERROR_EVENTS.forEach(event => socket.removeAllListeners(event));
+    if (cancellationHandler && options.cancellationToken) {
+      options.cancellationToken.removeListener('cancel', cancellationHandler);
+    }
+
+    if ('authorizationError' in socket) {
+      if (socket.authorizationError && rejectUnauthorized) {
+        return callback(socket.authorizationError);
+      }
+    }
+
+    socket.setTimeout(socketTimeoutMS);
+    callback(undefined, socket);
+  }
+
+  SOCKET_ERROR_EVENTS.forEach(event => socket.once(event, errorHandler(event)));
+  if (options.cancellationToken) {
+    cancellationHandler = errorHandler('cancel');
+    options.cancellationToken.once('cancel', cancellationHandler);
+  }
+
+  if (existingSocket) {
+    process.nextTick(connectHandler);
+  } else {
+    socket.once(connectEvent, connectHandler);
+  }
+}
+
+function makeSocks5Connection(options: MakeConnectionOptions, callback: Callback<Stream>) {
+  const hostAddress = HostAddress.fromHostPort(
+    options.proxyHost ?? '', // proxyHost is guaranteed to set here
+    options.proxyPort ?? 1080
+  );
+
+  // First, connect to the proxy server itself:
+  makeConnection(
+    {
+      ...options,
+      hostAddress,
+      tls: false,
+      proxyHost: undefined
+    },
+    (err, rawSocket) => {
+      if (err) {
+        return callback(err);
+      }
+
+      const destination = parseConnectOptions(options) as net.TcpNetConnectOpts;
+      if (typeof destination.host !== 'string' || typeof destination.port !== 'number') {
+        return callback(
+          new MongoInvalidArgumentError('Can only make Socks5 connections to TCP hosts')
+        );
+      }
+
+      // Then, establish the Socks5 proxy connection:
+      SocksClient.createConnection({
+        existing_socket: rawSocket,
+        timeout: options.connectTimeoutMS,
+        command: 'connect',
+        destination: {
+          host: destination.host,
+          port: destination.port
+        },
+        proxy: {
+          // host and port are ignored because we pass existing_socket
+          host: 'iLoveJavaScript',
+          port: 0,
+          type: 5,
+          userId: options.proxyUsername || undefined,
+          password: options.proxyPassword || undefined
+        }
+      }).then(
+        ({ socket }) => {
+          // Finally, now treat the resulting duplex stream as the
+          // socket over which we send and receive wire protocol messages:
+          makeConnection(
+            {
+              ...options,
+              existingSocket: socket,
+              proxyHost: undefined
+            },
+            callback
+          );
+        },
+        error => callback(connectionFailureError('error', error))
+      );
+    }
+  );
+}
+
+function connectionFailureError(type: ErrorHandlerEventName, err: Error) {
+  switch (type) {
+    case 'error':
+      return new MongoNetworkError(err);
+    case 'timeout':
+      return new MongoNetworkTimeoutError('connection timed out');
+    case 'close':
+      return new MongoNetworkError('connection closed');
+    case 'cancel':
+      return new MongoNetworkError('connection establishment was cancelled');
+    default:
+      return new MongoNetworkError('unknown network error');
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/connection.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/connection.ts
new file mode 100644
index 000000000..164763804
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/connection.ts
@@ -0,0 +1,752 @@
+import { clearTimeout, setTimeout } from 'timers';
+
+import type { BSONSerializeOptions, Document, ObjectId } from '../bson';
+import {
+  CLOSE,
+  CLUSTER_TIME_RECEIVED,
+  COMMAND_FAILED,
+  COMMAND_STARTED,
+  COMMAND_SUCCEEDED,
+  MESSAGE,
+  PINNED,
+  UNPINNED
+} from '../constants';
+import type { AutoEncrypter } from '../deps';
+import {
+  MongoCompatibilityError,
+  MongoMissingDependencyError,
+  MongoNetworkError,
+  MongoNetworkTimeoutError,
+  MongoServerError,
+  MongoWriteConcernError
+} from '../error';
+import type { ServerApi, SupportedNodeConnectionOptions } from '../mongo_client';
+import { CancellationToken, TypedEventEmitter } from '../mongo_types';
+import type { ReadPreference, ReadPreferenceLike } from '../read_preference';
+import { applySession, ClientSession, updateSessionFromResponse } from '../sessions';
+import {
+  calculateDurationInMs,
+  Callback,
+  ClientMetadata,
+  HostAddress,
+  maxWireVersion,
+  MongoDBNamespace,
+  now,
+  uuidV4
+} from '../utils';
+import type { WriteConcern } from '../write_concern';
+import type { MongoCredentials } from './auth/mongo_credentials';
+import {
+  CommandFailedEvent,
+  CommandStartedEvent,
+  CommandSucceededEvent
+} from './command_monitoring_events';
+import { BinMsg, Msg, Query, Response, WriteProtocolMessageType } from './commands';
+import type { Stream } from './connect';
+import { MessageStream, OperationDescription } from './message_stream';
+import { StreamDescription, StreamDescriptionOptions } from './stream_description';
+import { getReadPreference, isSharded } from './wire_protocol/shared';
+
+/** @internal */
+const kStream = Symbol('stream');
+/** @internal */
+const kQueue = Symbol('queue');
+/** @internal */
+const kMessageStream = Symbol('messageStream');
+/** @internal */
+const kGeneration = Symbol('generation');
+/** @internal */
+const kLastUseTime = Symbol('lastUseTime');
+/** @internal */
+const kClusterTime = Symbol('clusterTime');
+/** @internal */
+const kDescription = Symbol('description');
+/** @internal */
+const kHello = Symbol('hello');
+/** @internal */
+const kAutoEncrypter = Symbol('autoEncrypter');
+/** @internal */
+const kDelayedTimeoutId = Symbol('delayedTimeoutId');
+
+/** @internal */
+export interface QueryOptions extends BSONSerializeOptions {
+  readPreference: ReadPreference;
+  documentsReturnedIn?: string;
+  batchSize?: number;
+  limit?: number;
+  skip?: number;
+  projection?: Document;
+  tailable?: boolean;
+  awaitData?: boolean;
+  noCursorTimeout?: boolean;
+  /** @deprecated use `noCursorTimeout` instead */
+  timeout?: boolean;
+  partial?: boolean;
+  oplogReplay?: boolean;
+}
+
+/** @internal */
+export interface CommandOptions extends BSONSerializeOptions {
+  command?: boolean;
+  secondaryOk?: boolean;
+  /** Specify read preference if command supports it */
+  readPreference?: ReadPreferenceLike;
+  raw?: boolean;
+  monitoring?: boolean;
+  socketTimeoutMS?: number;
+  /** Session to use for the operation */
+  session?: ClientSession;
+  documentsReturnedIn?: string;
+  noResponse?: boolean;
+  omitReadPreference?: boolean;
+
+  // TODO(NODE-2802): Currently the CommandOptions take a property willRetryWrite which is a hint
+  // from executeOperation that the txnNum should be applied to this command.
+  // Applying a session to a command should happen as part of command construction,
+  // most likely in the CommandOperation#executeCommand method, where we have access to
+  // the details we need to determine if a txnNum should also be applied.
+  willRetryWrite?: boolean;
+
+  writeConcern?: WriteConcern;
+}
+
+/** @internal */
+export interface GetMoreOptions extends CommandOptions {
+  batchSize?: number;
+  maxTimeMS?: number;
+  maxAwaitTimeMS?: number;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions pre-4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+   */
+  comment?: unknown;
+}
+
+/** @public */
+export interface ProxyOptions {
+  proxyHost?: string;
+  proxyPort?: number;
+  proxyUsername?: string;
+  proxyPassword?: string;
+}
+
+/** @public */
+export interface ConnectionOptions
+  extends SupportedNodeConnectionOptions,
+    StreamDescriptionOptions,
+    ProxyOptions {
+  // Internal creation info
+  id: number | '<monitor>';
+  generation: number;
+  hostAddress: HostAddress;
+  // Settings
+  autoEncrypter?: AutoEncrypter;
+  serverApi?: ServerApi;
+  monitorCommands: boolean;
+  /** @internal */
+  connectionType?: typeof Connection;
+  credentials?: MongoCredentials;
+  connectTimeoutMS?: number;
+  tls: boolean;
+  keepAlive?: boolean;
+  keepAliveInitialDelay?: number;
+  noDelay?: boolean;
+  socketTimeoutMS?: number;
+  cancellationToken?: CancellationToken;
+
+  metadata: ClientMetadata;
+}
+
+/** @public */
+export interface DestroyOptions {
+  /** Force the destruction. */
+  force?: boolean;
+}
+
+/** @public */
+export type ConnectionEvents = {
+  commandStarted(event: CommandStartedEvent): void;
+  commandSucceeded(event: CommandSucceededEvent): void;
+  commandFailed(event: CommandFailedEvent): void;
+  clusterTimeReceived(clusterTime: Document): void;
+  close(): void;
+  message(message: any): void;
+  pinned(pinType: string): void;
+  unpinned(pinType: string): void;
+};
+
+/** @internal */
+export class Connection extends TypedEventEmitter<ConnectionEvents> {
+  id: number | '<monitor>';
+  address: string;
+  socketTimeoutMS: number;
+  monitorCommands: boolean;
+  closed: boolean;
+  destroyed: boolean;
+  lastHelloMS?: number;
+  serverApi?: ServerApi;
+  helloOk?: boolean;
+
+  /**@internal */
+  [kDelayedTimeoutId]: NodeJS.Timeout | null;
+  /** @internal */
+  [kDescription]: StreamDescription;
+  /** @internal */
+  [kGeneration]: number;
+  /** @internal */
+  [kLastUseTime]: number;
+  /** @internal */
+  [kQueue]: Map<number, OperationDescription>;
+  /** @internal */
+  [kMessageStream]: MessageStream;
+  /** @internal */
+  [kStream]: Stream;
+  /** @internal */
+  [kHello]: Document | null;
+  /** @internal */
+  [kClusterTime]: Document | null;
+
+  /** @event */
+  static readonly COMMAND_STARTED = COMMAND_STARTED;
+  /** @event */
+  static readonly COMMAND_SUCCEEDED = COMMAND_SUCCEEDED;
+  /** @event */
+  static readonly COMMAND_FAILED = COMMAND_FAILED;
+  /** @event */
+  static readonly CLUSTER_TIME_RECEIVED = CLUSTER_TIME_RECEIVED;
+  /** @event */
+  static readonly CLOSE = CLOSE;
+  /** @event */
+  static readonly MESSAGE = MESSAGE;
+  /** @event */
+  static readonly PINNED = PINNED;
+  /** @event */
+  static readonly UNPINNED = UNPINNED;
+
+  constructor(stream: Stream, options: ConnectionOptions) {
+    super();
+    this.id = options.id;
+    this.address = streamIdentifier(stream, options);
+    this.socketTimeoutMS = options.socketTimeoutMS ?? 0;
+    this.monitorCommands = options.monitorCommands;
+    this.serverApi = options.serverApi;
+    this.closed = false;
+    this.destroyed = false;
+    this[kHello] = null;
+    this[kClusterTime] = null;
+
+    this[kDescription] = new StreamDescription(this.address, options);
+    this[kGeneration] = options.generation;
+    this[kLastUseTime] = now();
+
+    // setup parser stream and message handling
+    this[kQueue] = new Map();
+    this[kMessageStream] = new MessageStream({
+      ...options,
+      maxBsonMessageSize: this.hello?.maxBsonMessageSize
+    });
+    this[kStream] = stream;
+
+    this[kDelayedTimeoutId] = null;
+
+    this[kMessageStream].on('message', message => this.onMessage(message));
+    this[kMessageStream].on('error', error => this.onError(error));
+    this[kStream].on('close', () => this.onClose());
+    this[kStream].on('timeout', () => this.onTimeout());
+    this[kStream].on('error', () => {
+      /* ignore errors, listen to `close` instead */
+    });
+
+    // hook the message stream up to the passed in stream
+    this[kStream].pipe(this[kMessageStream]);
+    this[kMessageStream].pipe(this[kStream]);
+  }
+
+  get description(): StreamDescription {
+    return this[kDescription];
+  }
+
+  get hello(): Document | null {
+    return this[kHello];
+  }
+
+  // the `connect` method stores the result of the handshake hello on the connection
+  set hello(response: Document | null) {
+    this[kDescription].receiveResponse(response);
+    this[kDescription] = Object.freeze(this[kDescription]);
+
+    // TODO: remove this, and only use the `StreamDescription` in the future
+    this[kHello] = response;
+  }
+
+  // Set the whether the message stream is for a monitoring connection.
+  set isMonitoringConnection(value: boolean) {
+    this[kMessageStream].isMonitoringConnection = value;
+  }
+
+  get isMonitoringConnection(): boolean {
+    return this[kMessageStream].isMonitoringConnection;
+  }
+
+  get serviceId(): ObjectId | undefined {
+    return this.hello?.serviceId;
+  }
+
+  get loadBalanced(): boolean {
+    return this.description.loadBalanced;
+  }
+
+  get generation(): number {
+    return this[kGeneration] || 0;
+  }
+
+  set generation(generation: number) {
+    this[kGeneration] = generation;
+  }
+
+  get idleTime(): number {
+    return calculateDurationInMs(this[kLastUseTime]);
+  }
+
+  get clusterTime(): Document | null {
+    return this[kClusterTime];
+  }
+
+  get stream(): Stream {
+    return this[kStream];
+  }
+
+  markAvailable(): void {
+    this[kLastUseTime] = now();
+  }
+
+  onError(error: Error) {
+    if (this.closed) {
+      return;
+    }
+
+    this[kStream].destroy(error);
+
+    this.closed = true;
+
+    for (const op of this[kQueue].values()) {
+      op.cb(error);
+    }
+
+    this[kQueue].clear();
+    this.emit(Connection.CLOSE);
+  }
+
+  onClose() {
+    if (this.closed) {
+      return;
+    }
+
+    this.closed = true;
+
+    const message = `connection ${this.id} to ${this.address} closed`;
+    for (const op of this[kQueue].values()) {
+      op.cb(new MongoNetworkError(message));
+    }
+
+    this[kQueue].clear();
+    this.emit(Connection.CLOSE);
+  }
+
+  onTimeout() {
+    if (this.closed) {
+      return;
+    }
+
+    this[kDelayedTimeoutId] = setTimeout(() => {
+      this[kStream].destroy();
+
+      this.closed = true;
+
+      const message = `connection ${this.id} to ${this.address} timed out`;
+      const beforeHandshake = this.hello == null;
+      for (const op of this[kQueue].values()) {
+        op.cb(new MongoNetworkTimeoutError(message, { beforeHandshake }));
+      }
+
+      this[kQueue].clear();
+      this.emit(Connection.CLOSE);
+    }, 1).unref(); // No need for this timer to hold the event loop open
+  }
+
+  onMessage(message: BinMsg | Response) {
+    const delayedTimeoutId = this[kDelayedTimeoutId];
+    if (delayedTimeoutId != null) {
+      clearTimeout(delayedTimeoutId);
+      this[kDelayedTimeoutId] = null;
+    }
+
+    // always emit the message, in case we are streaming
+    this.emit('message', message);
+    const operationDescription = this[kQueue].get(message.responseTo);
+    if (!operationDescription) {
+      return;
+    }
+
+    const callback = operationDescription.cb;
+
+    // SERVER-45775: For exhaust responses we should be able to use the same requestId to
+    // track response, however the server currently synthetically produces remote requests
+    // making the `responseTo` change on each response
+    this[kQueue].delete(message.responseTo);
+    if ('moreToCome' in message && message.moreToCome) {
+      // requeue the callback for next synthetic request
+      this[kQueue].set(message.requestId, operationDescription);
+    } else if (operationDescription.socketTimeoutOverride) {
+      this[kStream].setTimeout(this.socketTimeoutMS);
+    }
+
+    try {
+      // Pass in the entire description because it has BSON parsing options
+      message.parse(operationDescription);
+    } catch (err) {
+      // If this error is generated by our own code, it will already have the correct class applied
+      // if it is not, then it is coming from a catastrophic data parse failure or the BSON library
+      // in either case, it should not be wrapped
+      callback(err);
+      return;
+    }
+
+    if (message.documents[0]) {
+      const document: Document = message.documents[0];
+      const session = operationDescription.session;
+      if (session) {
+        updateSessionFromResponse(session, document);
+      }
+
+      if (document.$clusterTime) {
+        this[kClusterTime] = document.$clusterTime;
+        this.emit(Connection.CLUSTER_TIME_RECEIVED, document.$clusterTime);
+      }
+
+      if (operationDescription.command) {
+        if (document.writeConcernError) {
+          callback(new MongoWriteConcernError(document.writeConcernError, document));
+          return;
+        }
+
+        if (document.ok === 0 || document.$err || document.errmsg || document.code) {
+          callback(new MongoServerError(document));
+          return;
+        }
+      } else {
+        // Pre 3.2 support
+        if (document.ok === 0 || document.$err || document.errmsg) {
+          callback(new MongoServerError(document));
+          return;
+        }
+      }
+    }
+
+    callback(undefined, message.documents[0]);
+  }
+
+  destroy(options?: DestroyOptions, callback?: Callback): void {
+    if (typeof options === 'function') {
+      callback = options;
+      options = { force: false };
+    }
+
+    this.removeAllListeners(Connection.PINNED);
+    this.removeAllListeners(Connection.UNPINNED);
+
+    options = Object.assign({ force: false }, options);
+    if (this[kStream] == null || this.destroyed) {
+      this.destroyed = true;
+      if (typeof callback === 'function') {
+        callback();
+      }
+
+      return;
+    }
+
+    if (options.force) {
+      this[kStream].destroy();
+      this.destroyed = true;
+      if (typeof callback === 'function') {
+        callback();
+      }
+
+      return;
+    }
+
+    this[kStream].end(() => {
+      this.destroyed = true;
+      if (typeof callback === 'function') {
+        callback();
+      }
+    });
+  }
+
+  command(
+    ns: MongoDBNamespace,
+    cmd: Document,
+    options: CommandOptions | undefined,
+    callback: Callback
+  ): void {
+    const readPreference = getReadPreference(cmd, options);
+    const shouldUseOpMsg = supportsOpMsg(this);
+    const session = options?.session;
+
+    let clusterTime = this.clusterTime;
+    let finalCmd = Object.assign({}, cmd);
+
+    if (this.serverApi) {
+      const { version, strict, deprecationErrors } = this.serverApi;
+      finalCmd.apiVersion = version;
+      if (strict != null) finalCmd.apiStrict = strict;
+      if (deprecationErrors != null) finalCmd.apiDeprecationErrors = deprecationErrors;
+    }
+
+    if (hasSessionSupport(this) && session) {
+      if (
+        session.clusterTime &&
+        clusterTime &&
+        session.clusterTime.clusterTime.greaterThan(clusterTime.clusterTime)
+      ) {
+        clusterTime = session.clusterTime;
+      }
+
+      const err = applySession(session, finalCmd, options);
+      if (err) {
+        return callback(err);
+      }
+    }
+
+    // if we have a known cluster time, gossip it
+    if (clusterTime) {
+      finalCmd.$clusterTime = clusterTime;
+    }
+
+    if (isSharded(this) && !shouldUseOpMsg && readPreference && readPreference.mode !== 'primary') {
+      finalCmd = {
+        $query: finalCmd,
+        $readPreference: readPreference.toJSON()
+      };
+    }
+
+    const commandOptions: Document = Object.assign(
+      {
+        command: true,
+        numberToSkip: 0,
+        numberToReturn: -1,
+        checkKeys: false,
+        // This value is not overridable
+        secondaryOk: readPreference.secondaryOk()
+      },
+      options
+    );
+
+    const cmdNs = `${ns.db}.$cmd`;
+    const message = shouldUseOpMsg
+      ? new Msg(cmdNs, finalCmd, commandOptions)
+      : new Query(cmdNs, finalCmd, commandOptions);
+
+    try {
+      write(this, message, commandOptions, callback);
+    } catch (err) {
+      callback(err);
+    }
+  }
+}
+
+/** @internal */
+export class CryptoConnection extends Connection {
+  /** @internal */
+  [kAutoEncrypter]?: AutoEncrypter;
+
+  constructor(stream: Stream, options: ConnectionOptions) {
+    super(stream, options);
+    this[kAutoEncrypter] = options.autoEncrypter;
+  }
+
+  /** @internal @override */
+  override command(
+    ns: MongoDBNamespace,
+    cmd: Document,
+    options: CommandOptions,
+    callback: Callback
+  ): void {
+    const autoEncrypter = this[kAutoEncrypter];
+    if (!autoEncrypter) {
+      return callback(new MongoMissingDependencyError('No AutoEncrypter available for encryption'));
+    }
+
+    const serverWireVersion = maxWireVersion(this);
+    if (serverWireVersion === 0) {
+      // This means the initial handshake hasn't happened yet
+      return super.command(ns, cmd, options, callback);
+    }
+
+    if (serverWireVersion < 8) {
+      callback(
+        new MongoCompatibilityError('Auto-encryption requires a minimum MongoDB version of 4.2')
+      );
+      return;
+    }
+
+    // Save sort or indexKeys based on the command being run
+    // the encrypt API serializes our JS objects to BSON to pass to the native code layer
+    // and then deserializes the encrypted result, the protocol level components
+    // of the command (ex. sort) are then converted to JS objects potentially losing
+    // import key order information. These fields are never encrypted so we can save the values
+    // from before the encryption and replace them after encryption has been performed
+    const sort: Map<string, number> | null = cmd.find || cmd.findAndModify ? cmd.sort : null;
+    const indexKeys: Map<string, number>[] | null = cmd.createIndexes
+      ? cmd.indexes.map((index: { key: Map<string, number> }) => index.key)
+      : null;
+
+    autoEncrypter.encrypt(ns.toString(), cmd, options, (err, encrypted) => {
+      if (err || encrypted == null) {
+        callback(err, null);
+        return;
+      }
+
+      // Replace the saved values
+      if (sort != null && (cmd.find || cmd.findAndModify)) {
+        encrypted.sort = sort;
+      }
+      if (indexKeys != null && cmd.createIndexes) {
+        for (const [offset, index] of indexKeys.entries()) {
+          encrypted.indexes[offset].key = index;
+        }
+      }
+
+      super.command(ns, encrypted, options, (err, response) => {
+        if (err || response == null) {
+          callback(err, response);
+          return;
+        }
+
+        autoEncrypter.decrypt(response, options, callback);
+      });
+    });
+  }
+}
+
+/** @internal */
+export function hasSessionSupport(conn: Connection): boolean {
+  const description = conn.description;
+  return description.logicalSessionTimeoutMinutes != null || !!description.loadBalanced;
+}
+
+function supportsOpMsg(conn: Connection) {
+  const description = conn.description;
+  if (description == null) {
+    return false;
+  }
+
+  return maxWireVersion(conn) >= 6 && !description.__nodejs_mock_server__;
+}
+
+function streamIdentifier(stream: Stream, options: ConnectionOptions): string {
+  if (options.proxyHost) {
+    // If proxy options are specified, the properties of `stream` itself
+    // will not accurately reflect what endpoint this is connected to.
+    return options.hostAddress.toString();
+  }
+
+  if (typeof stream.address === 'function') {
+    return `${stream.remoteAddress}:${stream.remotePort}`;
+  }
+
+  return uuidV4().toString('hex');
+}
+
+function write(
+  conn: Connection,
+  command: WriteProtocolMessageType,
+  options: CommandOptions,
+  callback: Callback
+) {
+  options = options ?? {};
+  const operationDescription: OperationDescription = {
+    requestId: command.requestId,
+    cb: callback,
+    session: options.session,
+    noResponse: typeof options.noResponse === 'boolean' ? options.noResponse : false,
+    documentsReturnedIn: options.documentsReturnedIn,
+    command: !!options.command,
+
+    // for BSON parsing
+    promoteLongs: typeof options.promoteLongs === 'boolean' ? options.promoteLongs : true,
+    promoteValues: typeof options.promoteValues === 'boolean' ? options.promoteValues : true,
+    promoteBuffers: typeof options.promoteBuffers === 'boolean' ? options.promoteBuffers : false,
+    bsonRegExp: typeof options.bsonRegExp === 'boolean' ? options.bsonRegExp : false,
+    enableUtf8Validation:
+      typeof options.enableUtf8Validation === 'boolean' ? options.enableUtf8Validation : true,
+    raw: typeof options.raw === 'boolean' ? options.raw : false,
+    started: 0
+  };
+
+  if (conn[kDescription] && conn[kDescription].compressor) {
+    operationDescription.agreedCompressor = conn[kDescription].compressor;
+
+    if (conn[kDescription].zlibCompressionLevel) {
+      operationDescription.zlibCompressionLevel = conn[kDescription].zlibCompressionLevel;
+    }
+  }
+
+  if (typeof options.socketTimeoutMS === 'number') {
+    operationDescription.socketTimeoutOverride = true;
+    conn[kStream].setTimeout(options.socketTimeoutMS);
+  }
+
+  // if command monitoring is enabled we need to modify the callback here
+  if (conn.monitorCommands) {
+    conn.emit(Connection.COMMAND_STARTED, new CommandStartedEvent(conn, command));
+
+    operationDescription.started = now();
+    operationDescription.cb = (err, reply) => {
+      if (err) {
+        conn.emit(
+          Connection.COMMAND_FAILED,
+          new CommandFailedEvent(conn, command, err, operationDescription.started)
+        );
+      } else {
+        if (reply && (reply.ok === 0 || reply.$err)) {
+          conn.emit(
+            Connection.COMMAND_FAILED,
+            new CommandFailedEvent(conn, command, reply, operationDescription.started)
+          );
+        } else {
+          conn.emit(
+            Connection.COMMAND_SUCCEEDED,
+            new CommandSucceededEvent(conn, command, reply, operationDescription.started)
+          );
+        }
+      }
+
+      if (typeof callback === 'function') {
+        callback(err, reply);
+      }
+    };
+  }
+
+  if (!operationDescription.noResponse) {
+    conn[kQueue].set(operationDescription.requestId, operationDescription);
+  }
+
+  try {
+    conn[kMessageStream].writeCommand(command, operationDescription);
+  } catch (e) {
+    if (!operationDescription.noResponse) {
+      conn[kQueue].delete(operationDescription.requestId);
+      operationDescription.cb(e);
+      return;
+    }
+  }
+
+  if (operationDescription.noResponse) {
+    operationDescription.cb();
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/connection_pool.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/connection_pool.ts
new file mode 100644
index 000000000..9a13b7d48
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/connection_pool.ts
@@ -0,0 +1,747 @@
+import Denque = require('denque');
+import { clearTimeout, setTimeout } from 'timers';
+
+import type { ObjectId } from '../bson';
+import {
+  APM_EVENTS,
+  CONNECTION_CHECK_OUT_FAILED,
+  CONNECTION_CHECK_OUT_STARTED,
+  CONNECTION_CHECKED_IN,
+  CONNECTION_CHECKED_OUT,
+  CONNECTION_CLOSED,
+  CONNECTION_CREATED,
+  CONNECTION_POOL_CLEARED,
+  CONNECTION_POOL_CLOSED,
+  CONNECTION_POOL_CREATED,
+  CONNECTION_READY
+} from '../constants';
+import { MongoError, MongoInvalidArgumentError, MongoRuntimeError } from '../error';
+import { Logger } from '../logger';
+import { CancellationToken, TypedEventEmitter } from '../mongo_types';
+import { Callback, eachAsync, makeCounter } from '../utils';
+import { connect } from './connect';
+import { Connection, ConnectionEvents, ConnectionOptions } from './connection';
+import {
+  ConnectionCheckedInEvent,
+  ConnectionCheckedOutEvent,
+  ConnectionCheckOutFailedEvent,
+  ConnectionCheckOutStartedEvent,
+  ConnectionClosedEvent,
+  ConnectionCreatedEvent,
+  ConnectionPoolClearedEvent,
+  ConnectionPoolClosedEvent,
+  ConnectionPoolCreatedEvent,
+  ConnectionReadyEvent
+} from './connection_pool_events';
+import { PoolClosedError, WaitQueueTimeoutError } from './errors';
+import { ConnectionPoolMetrics } from './metrics';
+
+/** @internal */
+const kLogger = Symbol('logger');
+/** @internal */
+const kConnections = Symbol('connections');
+/** @internal */
+const kPending = Symbol('pending');
+/** @internal */
+const kCheckedOut = Symbol('checkedOut');
+/** @internal */
+const kMinPoolSizeTimer = Symbol('minPoolSizeTimer');
+/** @internal */
+const kGeneration = Symbol('generation');
+/** @internal */
+const kServiceGenerations = Symbol('serviceGenerations');
+/** @internal */
+const kConnectionCounter = Symbol('connectionCounter');
+/** @internal */
+const kCancellationToken = Symbol('cancellationToken');
+/** @internal */
+const kWaitQueue = Symbol('waitQueue');
+/** @internal */
+const kCancelled = Symbol('cancelled');
+/** @internal */
+const kMetrics = Symbol('metrics');
+/** @internal */
+const kProcessingWaitQueue = Symbol('processingWaitQueue');
+/** @internal */
+const kPoolState = Symbol('poolState');
+
+/** @public */
+export interface ConnectionPoolOptions extends Omit<ConnectionOptions, 'id' | 'generation'> {
+  /** The maximum number of connections that may be associated with a pool at a given time. This includes in use and available connections. */
+  maxPoolSize: number;
+  /** The minimum number of connections that MUST exist at any moment in a single connection pool. */
+  minPoolSize: number;
+  /** The maximum number of connections that may be in the process of being established concurrently by the connection pool. */
+  maxConnecting: number;
+  /** The maximum amount of time a connection should remain idle in the connection pool before being marked idle. */
+  maxIdleTimeMS: number;
+  /** The maximum amount of time operation execution should wait for a connection to become available. The default is 0 which means there is no limit. */
+  waitQueueTimeoutMS: number;
+  /** If we are in load balancer mode. */
+  loadBalanced: boolean;
+}
+
+/** @internal */
+export interface WaitQueueMember {
+  callback: Callback<Connection>;
+  timer?: NodeJS.Timeout;
+  [kCancelled]?: boolean;
+}
+
+/** @internal */
+export const PoolState = Object.freeze({
+  paused: 'paused',
+  ready: 'ready',
+  closed: 'closed'
+} as const);
+
+/** @public */
+export interface CloseOptions {
+  force?: boolean;
+}
+
+/** @public */
+export type ConnectionPoolEvents = {
+  connectionPoolCreated(event: ConnectionPoolCreatedEvent): void;
+  connectionPoolClosed(event: ConnectionPoolClosedEvent): void;
+  connectionPoolCleared(event: ConnectionPoolClearedEvent): void;
+  connectionCreated(event: ConnectionCreatedEvent): void;
+  connectionReady(event: ConnectionReadyEvent): void;
+  connectionClosed(event: ConnectionClosedEvent): void;
+  connectionCheckOutStarted(event: ConnectionCheckOutStartedEvent): void;
+  connectionCheckOutFailed(event: ConnectionCheckOutFailedEvent): void;
+  connectionCheckedOut(event: ConnectionCheckedOutEvent): void;
+  connectionCheckedIn(event: ConnectionCheckedInEvent): void;
+} & Omit<ConnectionEvents, 'close' | 'message'>;
+
+/**
+ * A pool of connections which dynamically resizes, and emit events related to pool activity
+ * @internal
+ */
+export class ConnectionPool extends TypedEventEmitter<ConnectionPoolEvents> {
+  options: Readonly<ConnectionPoolOptions>;
+  /** @internal */
+  [kPoolState]: typeof PoolState[keyof typeof PoolState];
+  /** @internal */
+  [kLogger]: Logger;
+  /** @internal */
+  [kConnections]: Denque<Connection>;
+  /** @internal */
+  [kPending]: number;
+  /** @internal */
+  [kCheckedOut]: number;
+  /** @internal */
+  [kMinPoolSizeTimer]?: NodeJS.Timeout;
+  /**
+   * An integer representing the SDAM generation of the pool
+   * @internal
+   */
+  [kGeneration]: number;
+  /** A map of generations to service ids
+   * @internal
+   */
+  [kServiceGenerations]: Map<string, number>;
+  /** @internal */
+  [kConnectionCounter]: Generator<number>;
+  /** @internal */
+  [kCancellationToken]: CancellationToken;
+  /** @internal */
+  [kWaitQueue]: Denque<WaitQueueMember>;
+  /** @internal */
+  [kMetrics]: ConnectionPoolMetrics;
+  /** @internal */
+  [kProcessingWaitQueue]: boolean;
+
+  /**
+   * Emitted when the connection pool is created.
+   * @event
+   */
+  static readonly CONNECTION_POOL_CREATED = CONNECTION_POOL_CREATED;
+  /**
+   * Emitted once when the connection pool is closed
+   * @event
+   */
+  static readonly CONNECTION_POOL_CLOSED = CONNECTION_POOL_CLOSED;
+  /**
+   * Emitted each time the connection pool is cleared and it's generation incremented
+   * @event
+   */
+  static readonly CONNECTION_POOL_CLEARED = CONNECTION_POOL_CLEARED;
+  /**
+   * Emitted when a connection is created.
+   * @event
+   */
+  static readonly CONNECTION_CREATED = CONNECTION_CREATED;
+  /**
+   * Emitted when a connection becomes established, and is ready to use
+   * @event
+   */
+  static readonly CONNECTION_READY = CONNECTION_READY;
+  /**
+   * Emitted when a connection is closed
+   * @event
+   */
+  static readonly CONNECTION_CLOSED = CONNECTION_CLOSED;
+  /**
+   * Emitted when an attempt to check out a connection begins
+   * @event
+   */
+  static readonly CONNECTION_CHECK_OUT_STARTED = CONNECTION_CHECK_OUT_STARTED;
+  /**
+   * Emitted when an attempt to check out a connection fails
+   * @event
+   */
+  static readonly CONNECTION_CHECK_OUT_FAILED = CONNECTION_CHECK_OUT_FAILED;
+  /**
+   * Emitted each time a connection is successfully checked out of the connection pool
+   * @event
+   */
+  static readonly CONNECTION_CHECKED_OUT = CONNECTION_CHECKED_OUT;
+  /**
+   * Emitted each time a connection is successfully checked into the connection pool
+   * @event
+   */
+  static readonly CONNECTION_CHECKED_IN = CONNECTION_CHECKED_IN;
+
+  /** @internal */
+  constructor(options: ConnectionPoolOptions) {
+    super();
+
+    this.options = Object.freeze({
+      ...options,
+      connectionType: Connection,
+      maxPoolSize: options.maxPoolSize ?? 100,
+      minPoolSize: options.minPoolSize ?? 0,
+      maxConnecting: options.maxConnecting ?? 2,
+      maxIdleTimeMS: options.maxIdleTimeMS ?? 0,
+      waitQueueTimeoutMS: options.waitQueueTimeoutMS ?? 0,
+      autoEncrypter: options.autoEncrypter,
+      metadata: options.metadata
+    });
+
+    if (this.options.minPoolSize > this.options.maxPoolSize) {
+      throw new MongoInvalidArgumentError(
+        'Connection pool minimum size must not be greater than maximum pool size'
+      );
+    }
+
+    this[kPoolState] = PoolState.paused;
+    this[kLogger] = new Logger('ConnectionPool');
+    this[kConnections] = new Denque();
+    this[kPending] = 0;
+    this[kCheckedOut] = 0;
+    this[kMinPoolSizeTimer] = undefined;
+    this[kGeneration] = 0;
+    this[kServiceGenerations] = new Map();
+    this[kConnectionCounter] = makeCounter(1);
+    this[kCancellationToken] = new CancellationToken();
+    this[kCancellationToken].setMaxListeners(Infinity);
+    this[kWaitQueue] = new Denque();
+    this[kMetrics] = new ConnectionPoolMetrics();
+    this[kProcessingWaitQueue] = false;
+
+    process.nextTick(() => {
+      this.emit(ConnectionPool.CONNECTION_POOL_CREATED, new ConnectionPoolCreatedEvent(this));
+      this.ensureMinPoolSize();
+    });
+  }
+
+  /** The address of the endpoint the pool is connected to */
+  get address(): string {
+    return this.options.hostAddress.toString();
+  }
+
+  /**
+   * Check if the pool has been closed
+   *
+   * TODO(NODE-3263): We can remove this property once shell no longer needs it
+   */
+  get closed(): boolean {
+    return this[kPoolState] === PoolState.closed;
+  }
+
+  /** An integer representing the SDAM generation of the pool */
+  get generation(): number {
+    return this[kGeneration];
+  }
+
+  /** An integer expressing how many total connections (available + pending + in use) the pool currently has */
+  get totalConnectionCount(): number {
+    return (
+      this.availableConnectionCount + this.pendingConnectionCount + this.currentCheckedOutCount
+    );
+  }
+
+  /** An integer expressing how many connections are currently available in the pool. */
+  get availableConnectionCount(): number {
+    return this[kConnections].length;
+  }
+
+  get pendingConnectionCount(): number {
+    return this[kPending];
+  }
+
+  get currentCheckedOutCount(): number {
+    return this[kCheckedOut];
+  }
+
+  get waitQueueSize(): number {
+    return this[kWaitQueue].length;
+  }
+
+  get loadBalanced(): boolean {
+    return this.options.loadBalanced;
+  }
+
+  get serviceGenerations(): Map<string, number> {
+    return this[kServiceGenerations];
+  }
+
+  /**
+   * Get the metrics information for the pool when a wait queue timeout occurs.
+   */
+  private waitQueueErrorMetrics(): string {
+    return this[kMetrics].info(this.options.maxPoolSize);
+  }
+
+  /**
+   * Set the pool state to "ready"
+   */
+  ready(): void {
+    this[kPoolState] = PoolState.ready;
+  }
+
+  /**
+   * Check a connection out of this pool. The connection will continue to be tracked, but no reference to it
+   * will be held by the pool. This means that if a connection is checked out it MUST be checked back in or
+   * explicitly destroyed by the new owner.
+   */
+  checkOut(callback: Callback<Connection>): void {
+    this.emit(
+      ConnectionPool.CONNECTION_CHECK_OUT_STARTED,
+      new ConnectionCheckOutStartedEvent(this)
+    );
+
+    if (this.closed) {
+      this.emit(
+        ConnectionPool.CONNECTION_CHECK_OUT_FAILED,
+        new ConnectionCheckOutFailedEvent(this, 'poolClosed')
+      );
+      callback(new PoolClosedError(this));
+      return;
+    }
+
+    const waitQueueMember: WaitQueueMember = { callback };
+    const waitQueueTimeoutMS = this.options.waitQueueTimeoutMS;
+    if (waitQueueTimeoutMS) {
+      waitQueueMember.timer = setTimeout(() => {
+        waitQueueMember[kCancelled] = true;
+        waitQueueMember.timer = undefined;
+
+        this.emit(
+          ConnectionPool.CONNECTION_CHECK_OUT_FAILED,
+          new ConnectionCheckOutFailedEvent(this, 'timeout')
+        );
+        waitQueueMember.callback(
+          new WaitQueueTimeoutError(
+            this.loadBalanced
+              ? this.waitQueueErrorMetrics()
+              : 'Timed out while checking out a connection from connection pool',
+            this.address
+          )
+        );
+      }, waitQueueTimeoutMS);
+    }
+
+    this[kWaitQueue].push(waitQueueMember);
+    process.nextTick(() => this.processWaitQueue());
+  }
+
+  /**
+   * Check a connection into the pool.
+   *
+   * @param connection - The connection to check in
+   */
+  checkIn(connection: Connection): void {
+    const poolClosed = this.closed;
+    const stale = this.connectionIsStale(connection);
+    const willDestroy = !!(poolClosed || stale || connection.closed);
+
+    if (!willDestroy) {
+      connection.markAvailable();
+      this[kConnections].unshift(connection);
+    }
+
+    this[kCheckedOut]--;
+    this.emit(ConnectionPool.CONNECTION_CHECKED_IN, new ConnectionCheckedInEvent(this, connection));
+
+    if (willDestroy) {
+      const reason = connection.closed ? 'error' : poolClosed ? 'poolClosed' : 'stale';
+      this.destroyConnection(connection, reason);
+    }
+
+    process.nextTick(() => this.processWaitQueue());
+  }
+
+  /**
+   * Clear the pool
+   *
+   * Pool reset is handled by incrementing the pool's generation count. Any existing connection of a
+   * previous generation will eventually be pruned during subsequent checkouts.
+   */
+  clear(serviceId?: ObjectId): void {
+    if (this.loadBalanced && serviceId) {
+      const sid = serviceId.toHexString();
+      const generation = this.serviceGenerations.get(sid);
+      // Only need to worry if the generation exists, since it should
+      // always be there but typescript needs the check.
+      if (generation == null) {
+        // TODO(NODE-3483)
+        throw new MongoRuntimeError('Service generations are required in load balancer mode.');
+      } else {
+        // Increment the generation for the service id.
+        this.serviceGenerations.set(sid, generation + 1);
+      }
+    } else {
+      this[kGeneration] += 1;
+    }
+
+    this.emit(
+      ConnectionPool.CONNECTION_POOL_CLEARED,
+      new ConnectionPoolClearedEvent(this, serviceId)
+    );
+  }
+
+  /** Close the pool */
+  close(callback: Callback<void>): void;
+  close(options: CloseOptions, callback: Callback<void>): void;
+  close(_options?: CloseOptions | Callback<void>, _cb?: Callback<void>): void {
+    let options = _options as CloseOptions;
+    const callback = (_cb ?? _options) as Callback<void>;
+    if (typeof options === 'function') {
+      options = {};
+    }
+
+    options = Object.assign({ force: false }, options);
+    if (this.closed) {
+      return callback();
+    }
+
+    // immediately cancel any in-flight connections
+    this[kCancellationToken].emit('cancel');
+
+    // drain the wait queue
+    while (this.waitQueueSize) {
+      const waitQueueMember = this[kWaitQueue].pop();
+      if (waitQueueMember) {
+        if (waitQueueMember.timer) {
+          clearTimeout(waitQueueMember.timer);
+        }
+        if (!waitQueueMember[kCancelled]) {
+          // TODO(NODE-3483): Replace with MongoConnectionPoolClosedError
+          waitQueueMember.callback(new MongoRuntimeError('Connection pool closed'));
+        }
+      }
+    }
+
+    // clear the min pool size timer
+    const minPoolSizeTimer = this[kMinPoolSizeTimer];
+    if (minPoolSizeTimer) {
+      clearTimeout(minPoolSizeTimer);
+    }
+
+    // end the connection counter
+    if (typeof this[kConnectionCounter].return === 'function') {
+      this[kConnectionCounter].return(undefined);
+    }
+
+    // mark the pool as closed immediately
+    this[kPoolState] = PoolState.closed;
+    eachAsync<Connection>(
+      this[kConnections].toArray(),
+      (conn, cb) => {
+        this.emit(
+          ConnectionPool.CONNECTION_CLOSED,
+          new ConnectionClosedEvent(this, conn, 'poolClosed')
+        );
+        conn.destroy(options, cb);
+      },
+      err => {
+        this[kConnections].clear();
+        this.emit(ConnectionPool.CONNECTION_POOL_CLOSED, new ConnectionPoolClosedEvent(this));
+        callback(err);
+      }
+    );
+  }
+
+  /**
+   * Runs a lambda with an implicitly checked out connection, checking that connection back in when the lambda
+   * has completed by calling back.
+   *
+   * NOTE: please note the required signature of `fn`
+   *
+   * @remarks When in load balancer mode, connections can be pinned to cursors or transactions.
+   *   In these cases we pass the connection in to this method to ensure it is used and a new
+   *   connection is not checked out.
+   *
+   * @param conn - A pinned connection for use in load balancing mode.
+   * @param fn - A function which operates on a managed connection
+   * @param callback - The original callback
+   */
+  withConnection(
+    conn: Connection | undefined,
+    fn: WithConnectionCallback,
+    callback?: Callback<Connection>
+  ): void {
+    if (conn) {
+      // use the provided connection, and do _not_ check it in after execution
+      fn(undefined, conn, (fnErr, result) => {
+        if (typeof callback === 'function') {
+          if (fnErr) {
+            callback(fnErr);
+          } else {
+            callback(undefined, result);
+          }
+        }
+      });
+
+      return;
+    }
+
+    this.checkOut((err, conn) => {
+      // don't callback with `err` here, we might want to act upon it inside `fn`
+      fn(err as MongoError, conn, (fnErr, result) => {
+        if (typeof callback === 'function') {
+          if (fnErr) {
+            callback(fnErr);
+          } else {
+            callback(undefined, result);
+          }
+        }
+
+        if (conn) {
+          this.checkIn(conn);
+        }
+      });
+    });
+  }
+
+  private destroyConnection(connection: Connection, reason: string) {
+    this.emit(
+      ConnectionPool.CONNECTION_CLOSED,
+      new ConnectionClosedEvent(this, connection, reason)
+    );
+
+    // destroy the connection
+    process.nextTick(() => connection.destroy());
+  }
+
+  private connectionIsStale(connection: Connection) {
+    const serviceId = connection.serviceId;
+    if (this.loadBalanced && serviceId) {
+      const sid = serviceId.toHexString();
+      const generation = this.serviceGenerations.get(sid);
+      return connection.generation !== generation;
+    }
+
+    return connection.generation !== this[kGeneration];
+  }
+
+  private connectionIsIdle(connection: Connection) {
+    return !!(this.options.maxIdleTimeMS && connection.idleTime > this.options.maxIdleTimeMS);
+  }
+
+  private connectionIsPerished(connection: Connection) {
+    const isStale = this.connectionIsStale(connection);
+    const isIdle = this.connectionIsIdle(connection);
+    if (!isStale && !isIdle && !connection.closed) {
+      return false;
+    }
+    const reason = connection.closed ? 'error' : isStale ? 'stale' : 'idle';
+    this.destroyConnection(connection, reason);
+    return true;
+  }
+
+  private createConnection(callback: Callback<Connection>) {
+    const connectOptions: ConnectionOptions = {
+      ...this.options,
+      id: this[kConnectionCounter].next().value,
+      generation: this[kGeneration],
+      cancellationToken: this[kCancellationToken]
+    };
+
+    this[kPending]++;
+    // This is our version of a "virtual" no-I/O connection as the spec requires
+    this.emit(
+      ConnectionPool.CONNECTION_CREATED,
+      new ConnectionCreatedEvent(this, { id: connectOptions.id })
+    );
+
+    connect(connectOptions, (err, connection) => {
+      if (err || !connection) {
+        this[kLogger].debug(`connection attempt failed with error [${JSON.stringify(err)}]`);
+        callback(err);
+        return;
+      }
+
+      // The pool might have closed since we started trying to create a connection
+      if (this.closed) {
+        this[kPending]--;
+        connection.destroy({ force: true });
+        return;
+      }
+
+      // forward all events from the connection to the pool
+      for (const event of [...APM_EVENTS, Connection.CLUSTER_TIME_RECEIVED]) {
+        connection.on(event, (e: any) => this.emit(event, e));
+      }
+
+      if (this.loadBalanced) {
+        connection.on(Connection.PINNED, pinType => this[kMetrics].markPinned(pinType));
+        connection.on(Connection.UNPINNED, pinType => this[kMetrics].markUnpinned(pinType));
+
+        const serviceId = connection.serviceId;
+        if (serviceId) {
+          let generation;
+          const sid = serviceId.toHexString();
+          if ((generation = this.serviceGenerations.get(sid))) {
+            connection.generation = generation;
+          } else {
+            this.serviceGenerations.set(sid, 0);
+            connection.generation = 0;
+          }
+        }
+      }
+
+      connection.markAvailable();
+      this.emit(ConnectionPool.CONNECTION_READY, new ConnectionReadyEvent(this, connection));
+
+      callback(undefined, connection);
+      return;
+    });
+  }
+
+  private ensureMinPoolSize() {
+    const minPoolSize = this.options.minPoolSize;
+    if (this.closed || minPoolSize === 0) {
+      return;
+    }
+
+    if (
+      this.totalConnectionCount < minPoolSize &&
+      this.pendingConnectionCount < this.options.maxConnecting
+    ) {
+      // NOTE: ensureMinPoolSize should not try to get all the pending
+      // connection permits because that potentially delays the availability of
+      // the connection to a checkout request
+      this.createConnection((err, connection) => {
+        this[kPending]--;
+        if (!err && connection) {
+          this[kConnections].push(connection);
+          process.nextTick(() => this.processWaitQueue());
+        }
+        this[kMinPoolSizeTimer] = setTimeout(() => this.ensureMinPoolSize(), 10);
+      });
+    } else {
+      this[kMinPoolSizeTimer] = setTimeout(() => this.ensureMinPoolSize(), 100);
+    }
+  }
+
+  private processWaitQueue() {
+    if (this.closed || this[kProcessingWaitQueue]) {
+      return;
+    }
+
+    this[kProcessingWaitQueue] = true;
+
+    while (this.waitQueueSize) {
+      const waitQueueMember = this[kWaitQueue].peekFront();
+      if (!waitQueueMember) {
+        this[kWaitQueue].shift();
+        continue;
+      }
+
+      if (waitQueueMember[kCancelled]) {
+        this[kWaitQueue].shift();
+        continue;
+      }
+
+      if (!this.availableConnectionCount) {
+        break;
+      }
+
+      const connection = this[kConnections].shift();
+      if (!connection) {
+        break;
+      }
+
+      if (!this.connectionIsPerished(connection)) {
+        this[kCheckedOut]++;
+        this.emit(
+          ConnectionPool.CONNECTION_CHECKED_OUT,
+          new ConnectionCheckedOutEvent(this, connection)
+        );
+        if (waitQueueMember.timer) {
+          clearTimeout(waitQueueMember.timer);
+        }
+
+        this[kWaitQueue].shift();
+        waitQueueMember.callback(undefined, connection);
+      }
+    }
+
+    const { maxPoolSize, maxConnecting } = this.options;
+    while (
+      this.waitQueueSize > 0 &&
+      this.pendingConnectionCount < maxConnecting &&
+      (maxPoolSize === 0 || this.totalConnectionCount < maxPoolSize)
+    ) {
+      const waitQueueMember = this[kWaitQueue].shift();
+      if (!waitQueueMember || waitQueueMember[kCancelled]) {
+        continue;
+      }
+      this.createConnection((err, connection) => {
+        this[kPending]--;
+        if (waitQueueMember[kCancelled]) {
+          if (!err && connection) {
+            this[kConnections].push(connection);
+          }
+        } else {
+          if (err) {
+            this.emit(
+              ConnectionPool.CONNECTION_CHECK_OUT_FAILED,
+              new ConnectionCheckOutFailedEvent(this, err)
+            );
+          } else if (connection) {
+            this[kCheckedOut]++;
+            this.emit(
+              ConnectionPool.CONNECTION_CHECKED_OUT,
+              new ConnectionCheckedOutEvent(this, connection)
+            );
+          }
+
+          if (waitQueueMember.timer) {
+            clearTimeout(waitQueueMember.timer);
+          }
+          waitQueueMember.callback(err, connection);
+        }
+        process.nextTick(() => this.processWaitQueue());
+      });
+    }
+    this[kProcessingWaitQueue] = false;
+  }
+}
+
+/**
+ * A callback provided to `withConnection`
+ * @internal
+ *
+ * @param error - An error instance representing the error during the execution.
+ * @param connection - The managed connection which was checked out of the pool.
+ * @param callback - A function to call back after connection management is complete
+ */
+export type WithConnectionCallback = (
+  error: MongoError | undefined,
+  connection: Connection | undefined,
+  callback: Callback<Connection>
+) => void;
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/connection_pool_events.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/connection_pool_events.ts
new file mode 100644
index 000000000..a98dc25d7
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/connection_pool_events.ts
@@ -0,0 +1,179 @@
+import type { ObjectId } from '../bson';
+import type { AnyError } from '../error';
+import type { Connection } from './connection';
+import type { ConnectionPool, ConnectionPoolOptions } from './connection_pool';
+
+/**
+ * The base export class for all monitoring events published from the connection pool
+ * @public
+ * @category Event
+ */
+export class ConnectionPoolMonitoringEvent {
+  /** A timestamp when the event was created  */
+  time: Date;
+  /** The address (host/port pair) of the pool */
+  address: string;
+
+  /** @internal */
+  constructor(pool: ConnectionPool) {
+    this.time = new Date();
+    this.address = pool.address;
+  }
+}
+
+/**
+ * An event published when a connection pool is created
+ * @public
+ * @category Event
+ */
+export class ConnectionPoolCreatedEvent extends ConnectionPoolMonitoringEvent {
+  /** The options used to create this connection pool */
+  options?: ConnectionPoolOptions;
+
+  /** @internal */
+  constructor(pool: ConnectionPool) {
+    super(pool);
+    this.options = pool.options;
+  }
+}
+
+/**
+ * An event published when a connection pool is closed
+ * @public
+ * @category Event
+ */
+export class ConnectionPoolClosedEvent extends ConnectionPoolMonitoringEvent {
+  /** @internal */
+  constructor(pool: ConnectionPool) {
+    super(pool);
+  }
+}
+
+/**
+ * An event published when a connection pool creates a new connection
+ * @public
+ * @category Event
+ */
+export class ConnectionCreatedEvent extends ConnectionPoolMonitoringEvent {
+  /** A monotonically increasing, per-pool id for the newly created connection */
+  connectionId: number | '<monitor>';
+
+  /** @internal */
+  constructor(pool: ConnectionPool, connection: { id: number | '<monitor>' }) {
+    super(pool);
+    this.connectionId = connection.id;
+  }
+}
+
+/**
+ * An event published when a connection is ready for use
+ * @public
+ * @category Event
+ */
+export class ConnectionReadyEvent extends ConnectionPoolMonitoringEvent {
+  /** The id of the connection */
+  connectionId: number | '<monitor>';
+
+  /** @internal */
+  constructor(pool: ConnectionPool, connection: Connection) {
+    super(pool);
+    this.connectionId = connection.id;
+  }
+}
+
+/**
+ * An event published when a connection is closed
+ * @public
+ * @category Event
+ */
+export class ConnectionClosedEvent extends ConnectionPoolMonitoringEvent {
+  /** The id of the connection */
+  connectionId: number | '<monitor>';
+  /** The reason the connection was closed */
+  reason: string;
+  serviceId?: ObjectId;
+
+  /** @internal */
+  constructor(pool: ConnectionPool, connection: Connection, reason: string) {
+    super(pool);
+    this.connectionId = connection.id;
+    this.reason = reason || 'unknown';
+    this.serviceId = connection.serviceId;
+  }
+}
+
+/**
+ * An event published when a request to check a connection out begins
+ * @public
+ * @category Event
+ */
+export class ConnectionCheckOutStartedEvent extends ConnectionPoolMonitoringEvent {
+  /** @internal */
+  constructor(pool: ConnectionPool) {
+    super(pool);
+  }
+}
+
+/**
+ * An event published when a request to check a connection out fails
+ * @public
+ * @category Event
+ */
+export class ConnectionCheckOutFailedEvent extends ConnectionPoolMonitoringEvent {
+  /** The reason the attempt to check out failed */
+  reason: AnyError | string;
+
+  /** @internal */
+  constructor(pool: ConnectionPool, reason: AnyError | string) {
+    super(pool);
+    this.reason = reason;
+  }
+}
+
+/**
+ * An event published when a connection is checked out of the connection pool
+ * @public
+ * @category Event
+ */
+export class ConnectionCheckedOutEvent extends ConnectionPoolMonitoringEvent {
+  /** The id of the connection */
+  connectionId: number | '<monitor>';
+
+  /** @internal */
+  constructor(pool: ConnectionPool, connection: Connection) {
+    super(pool);
+    this.connectionId = connection.id;
+  }
+}
+
+/**
+ * An event published when a connection is checked into the connection pool
+ * @public
+ * @category Event
+ */
+export class ConnectionCheckedInEvent extends ConnectionPoolMonitoringEvent {
+  /** The id of the connection */
+  connectionId: number | '<monitor>';
+
+  /** @internal */
+  constructor(pool: ConnectionPool, connection: Connection) {
+    super(pool);
+    this.connectionId = connection.id;
+  }
+}
+
+/**
+ * An event published when a connection pool is cleared
+ * @public
+ * @category Event
+ */
+export class ConnectionPoolClearedEvent extends ConnectionPoolMonitoringEvent {
+  /** @internal */
+  serviceId?: ObjectId;
+
+  /** @internal */
+  constructor(pool: ConnectionPool, serviceId?: ObjectId) {
+    super(pool);
+    this.serviceId = serviceId;
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/errors.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/errors.ts
new file mode 100644
index 000000000..85e8dac79
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/errors.ts
@@ -0,0 +1,38 @@
+import { MongoDriverError } from '../error';
+import type { ConnectionPool } from './connection_pool';
+
+/**
+ * An error indicating a connection pool is closed
+ * @category Error
+ */
+export class PoolClosedError extends MongoDriverError {
+  /** The address of the connection pool */
+  address: string;
+
+  constructor(pool: ConnectionPool) {
+    super('Attempted to check out a connection from closed connection pool');
+    this.address = pool.address;
+  }
+
+  override get name(): string {
+    return 'MongoPoolClosedError';
+  }
+}
+
+/**
+ * An error thrown when a request to check out a connection times out
+ * @category Error
+ */
+export class WaitQueueTimeoutError extends MongoDriverError {
+  /** The address of the connection pool */
+  address: string;
+
+  constructor(message: string, address: string) {
+    super(message);
+    this.address = address;
+  }
+
+  override get name(): string {
+    return 'MongoWaitQueueTimeoutError';
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/message_stream.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/message_stream.ts
new file mode 100644
index 000000000..bf8cb3711
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/message_stream.ts
@@ -0,0 +1,242 @@
+import { Duplex, DuplexOptions } from 'stream';
+
+import type { BSONSerializeOptions, Document } from '../bson';
+import { MongoDecompressionError, MongoParseError } from '../error';
+import type { ClientSession } from '../sessions';
+import { BufferPool, Callback } from '../utils';
+import { BinMsg, MessageHeader, Msg, Response, WriteProtocolMessageType } from './commands';
+import {
+  compress,
+  Compressor,
+  CompressorName,
+  decompress,
+  uncompressibleCommands
+} from './wire_protocol/compression';
+import { OP_COMPRESSED, OP_MSG } from './wire_protocol/constants';
+
+const MESSAGE_HEADER_SIZE = 16;
+const COMPRESSION_DETAILS_SIZE = 9; // originalOpcode + uncompressedSize, compressorID
+
+const kDefaultMaxBsonMessageSize = 1024 * 1024 * 16 * 4;
+/** @internal */
+const kBuffer = Symbol('buffer');
+
+/** @internal */
+export interface MessageStreamOptions extends DuplexOptions {
+  maxBsonMessageSize?: number;
+}
+
+/** @internal */
+export interface OperationDescription extends BSONSerializeOptions {
+  started: number;
+  cb: Callback<Document>;
+  command: boolean;
+  documentsReturnedIn?: string;
+  noResponse: boolean;
+  raw: boolean;
+  requestId: number;
+  session?: ClientSession;
+  socketTimeoutOverride?: boolean;
+  agreedCompressor?: CompressorName;
+  zlibCompressionLevel?: number;
+  $clusterTime?: Document;
+}
+
+/**
+ * A duplex stream that is capable of reading and writing raw wire protocol messages, with
+ * support for optional compression
+ * @internal
+ */
+export class MessageStream extends Duplex {
+  /** @internal */
+  maxBsonMessageSize: number;
+  /** @internal */
+  [kBuffer]: BufferPool;
+  /** @internal */
+  isMonitoringConnection = false;
+
+  constructor(options: MessageStreamOptions = {}) {
+    super(options);
+    this.maxBsonMessageSize = options.maxBsonMessageSize || kDefaultMaxBsonMessageSize;
+    this[kBuffer] = new BufferPool();
+  }
+
+  get buffer(): BufferPool {
+    return this[kBuffer];
+  }
+
+  override _write(chunk: Buffer, _: unknown, callback: Callback<Buffer>): void {
+    this[kBuffer].append(chunk);
+    processIncomingData(this, callback);
+  }
+
+  override _read(/* size */): void {
+    // NOTE: This implementation is empty because we explicitly push data to be read
+    //       when `writeMessage` is called.
+    return;
+  }
+
+  writeCommand(
+    command: WriteProtocolMessageType,
+    operationDescription: OperationDescription
+  ): void {
+    // TODO: agreed compressor should live in `StreamDescription`
+    const compressorName: CompressorName =
+      operationDescription && operationDescription.agreedCompressor
+        ? operationDescription.agreedCompressor
+        : 'none';
+    if (compressorName === 'none' || !canCompress(command)) {
+      const data = command.toBin();
+      this.push(Array.isArray(data) ? Buffer.concat(data) : data);
+      return;
+    }
+    // otherwise, compress the message
+    const concatenatedOriginalCommandBuffer = Buffer.concat(command.toBin());
+    const messageToBeCompressed = concatenatedOriginalCommandBuffer.slice(MESSAGE_HEADER_SIZE);
+
+    // Extract information needed for OP_COMPRESSED from the uncompressed message
+    const originalCommandOpCode = concatenatedOriginalCommandBuffer.readInt32LE(12);
+
+    // Compress the message body
+    compress({ options: operationDescription }, messageToBeCompressed, (err, compressedMessage) => {
+      if (err || !compressedMessage) {
+        operationDescription.cb(err);
+        return;
+      }
+
+      // Create the msgHeader of OP_COMPRESSED
+      const msgHeader = Buffer.alloc(MESSAGE_HEADER_SIZE);
+      msgHeader.writeInt32LE(
+        MESSAGE_HEADER_SIZE + COMPRESSION_DETAILS_SIZE + compressedMessage.length,
+        0
+      ); // messageLength
+      msgHeader.writeInt32LE(command.requestId, 4); // requestID
+      msgHeader.writeInt32LE(0, 8); // responseTo (zero)
+      msgHeader.writeInt32LE(OP_COMPRESSED, 12); // opCode
+
+      // Create the compression details of OP_COMPRESSED
+      const compressionDetails = Buffer.alloc(COMPRESSION_DETAILS_SIZE);
+      compressionDetails.writeInt32LE(originalCommandOpCode, 0); // originalOpcode
+      compressionDetails.writeInt32LE(messageToBeCompressed.length, 4); // Size of the uncompressed compressedMessage, excluding the MsgHeader
+      compressionDetails.writeUInt8(Compressor[compressorName], 8); // compressorID
+      this.push(Buffer.concat([msgHeader, compressionDetails, compressedMessage]));
+    });
+  }
+}
+
+// Return whether a command contains an uncompressible command term
+// Will return true if command contains no uncompressible command terms
+function canCompress(command: WriteProtocolMessageType) {
+  const commandDoc = command instanceof Msg ? command.command : command.query;
+  const commandName = Object.keys(commandDoc)[0];
+  return !uncompressibleCommands.has(commandName);
+}
+
+function processIncomingData(stream: MessageStream, callback: Callback<Buffer>) {
+  const buffer = stream[kBuffer];
+  if (buffer.length < 4) {
+    callback();
+    return;
+  }
+
+  const sizeOfMessage = buffer.peek(4).readInt32LE();
+  if (sizeOfMessage < 0) {
+    callback(new MongoParseError(`Invalid message size: ${sizeOfMessage}`));
+    return;
+  }
+
+  if (sizeOfMessage > stream.maxBsonMessageSize) {
+    callback(
+      new MongoParseError(
+        `Invalid message size: ${sizeOfMessage}, max allowed: ${stream.maxBsonMessageSize}`
+      )
+    );
+    return;
+  }
+
+  if (sizeOfMessage > buffer.length) {
+    callback();
+    return;
+  }
+
+  const message = buffer.read(sizeOfMessage);
+  const messageHeader: MessageHeader = {
+    length: message.readInt32LE(0),
+    requestId: message.readInt32LE(4),
+    responseTo: message.readInt32LE(8),
+    opCode: message.readInt32LE(12)
+  };
+
+  const monitorHasAnotherHello = () => {
+    if (stream.isMonitoringConnection) {
+      // Can we read the next message size?
+      if (buffer.length >= 4) {
+        const sizeOfMessage = buffer.peek(4).readInt32LE();
+        if (sizeOfMessage <= buffer.length) {
+          return true;
+        }
+      }
+    }
+    return false;
+  };
+
+  let ResponseType = messageHeader.opCode === OP_MSG ? BinMsg : Response;
+  if (messageHeader.opCode !== OP_COMPRESSED) {
+    const messageBody = message.slice(MESSAGE_HEADER_SIZE);
+
+    // If we are a monitoring connection message stream and
+    // there is more in the buffer that can be read, skip processing since we
+    // want the last hello command response that is in the buffer.
+    if (monitorHasAnotherHello()) {
+      processIncomingData(stream, callback);
+    } else {
+      stream.emit('message', new ResponseType(message, messageHeader, messageBody));
+
+      if (buffer.length >= 4) {
+        processIncomingData(stream, callback);
+      } else {
+        callback();
+      }
+    }
+
+    return;
+  }
+
+  messageHeader.fromCompressed = true;
+  messageHeader.opCode = message.readInt32LE(MESSAGE_HEADER_SIZE);
+  messageHeader.length = message.readInt32LE(MESSAGE_HEADER_SIZE + 4);
+  const compressorID: Compressor = message[MESSAGE_HEADER_SIZE + 8] as Compressor;
+  const compressedBuffer = message.slice(MESSAGE_HEADER_SIZE + 9);
+
+  // recalculate based on wrapped opcode
+  ResponseType = messageHeader.opCode === OP_MSG ? BinMsg : Response;
+  decompress(compressorID, compressedBuffer, (err, messageBody) => {
+    if (err || !messageBody) {
+      callback(err);
+      return;
+    }
+
+    if (messageBody.length !== messageHeader.length) {
+      callback(
+        new MongoDecompressionError('Message body and message header must be the same length')
+      );
+
+      return;
+    }
+
+    // If we are a monitoring connection message stream and
+    // there is more in the buffer that can be read, skip processing since we
+    // want the last hello command response that is in the buffer.
+    if (monitorHasAnotherHello()) {
+      processIncomingData(stream, callback);
+    } else {
+      stream.emit('message', new ResponseType(message, messageHeader, messageBody));
+
+      if (buffer.length >= 4) {
+        processIncomingData(stream, callback);
+      } else {
+        callback();
+      }
+    }
+  });
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/metrics.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/metrics.ts
new file mode 100644
index 000000000..b825b5393
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/metrics.ts
@@ -0,0 +1,58 @@
+/** @internal */
+export class ConnectionPoolMetrics {
+  static readonly TXN = 'txn' as const;
+  static readonly CURSOR = 'cursor' as const;
+  static readonly OTHER = 'other' as const;
+
+  txnConnections = 0;
+  cursorConnections = 0;
+  otherConnections = 0;
+
+  /**
+   * Mark a connection as pinned for a specific operation.
+   */
+  markPinned(pinType: string): void {
+    if (pinType === ConnectionPoolMetrics.TXN) {
+      this.txnConnections += 1;
+    } else if (pinType === ConnectionPoolMetrics.CURSOR) {
+      this.cursorConnections += 1;
+    } else {
+      this.otherConnections += 1;
+    }
+  }
+
+  /**
+   * Unmark a connection as pinned for an operation.
+   */
+  markUnpinned(pinType: string): void {
+    if (pinType === ConnectionPoolMetrics.TXN) {
+      this.txnConnections -= 1;
+    } else if (pinType === ConnectionPoolMetrics.CURSOR) {
+      this.cursorConnections -= 1;
+    } else {
+      this.otherConnections -= 1;
+    }
+  }
+
+  /**
+   * Return information about the cmap metrics as a string.
+   */
+  info(maxPoolSize: number): string {
+    return (
+      'Timed out while checking out a connection from connection pool: ' +
+      `maxPoolSize: ${maxPoolSize}, ` +
+      `connections in use by cursors: ${this.cursorConnections}, ` +
+      `connections in use by transactions: ${this.txnConnections}, ` +
+      `connections in use by other operations: ${this.otherConnections}`
+    );
+  }
+
+  /**
+   * Reset the metrics to the initial values.
+   */
+  reset(): void {
+    this.txnConnections = 0;
+    this.cursorConnections = 0;
+    this.otherConnections = 0;
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/stream_description.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/stream_description.ts
new file mode 100644
index 000000000..c5fbec0f4
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/stream_description.ts
@@ -0,0 +1,76 @@
+import type { Document } from '../bson';
+import { ServerType } from '../sdam/common';
+import { parseServerType } from '../sdam/server_description';
+import type { CompressorName } from './wire_protocol/compression';
+
+const RESPONSE_FIELDS = [
+  'minWireVersion',
+  'maxWireVersion',
+  'maxBsonObjectSize',
+  'maxMessageSizeBytes',
+  'maxWriteBatchSize',
+  'logicalSessionTimeoutMinutes'
+] as const;
+
+/** @public */
+export interface StreamDescriptionOptions {
+  compressors?: CompressorName[];
+  logicalSessionTimeoutMinutes?: number;
+  loadBalanced: boolean;
+}
+
+/** @public */
+export class StreamDescription {
+  address: string;
+  type: string;
+  minWireVersion?: number;
+  maxWireVersion?: number;
+  maxBsonObjectSize: number;
+  maxMessageSizeBytes: number;
+  maxWriteBatchSize: number;
+  compressors: CompressorName[];
+  compressor?: CompressorName;
+  logicalSessionTimeoutMinutes?: number;
+  loadBalanced: boolean;
+
+  __nodejs_mock_server__?: boolean;
+
+  zlibCompressionLevel?: number;
+
+  constructor(address: string, options?: StreamDescriptionOptions) {
+    this.address = address;
+    this.type = ServerType.Unknown;
+    this.minWireVersion = undefined;
+    this.maxWireVersion = undefined;
+    this.maxBsonObjectSize = 16777216;
+    this.maxMessageSizeBytes = 48000000;
+    this.maxWriteBatchSize = 100000;
+    this.logicalSessionTimeoutMinutes = options?.logicalSessionTimeoutMinutes;
+    this.loadBalanced = !!options?.loadBalanced;
+    this.compressors =
+      options && options.compressors && Array.isArray(options.compressors)
+        ? options.compressors
+        : [];
+  }
+
+  receiveResponse(response: Document | null): void {
+    if (response == null) {
+      return;
+    }
+    this.type = parseServerType(response);
+    for (const field of RESPONSE_FIELDS) {
+      if (response[field] != null) {
+        this[field] = response[field];
+      }
+
+      // testing case
+      if ('__nodejs_mock_server__' in response) {
+        this.__nodejs_mock_server__ = response['__nodejs_mock_server__'];
+      }
+    }
+
+    if (response.compression) {
+      this.compressor = this.compressors.filter(c => response.compression?.includes(c))[0];
+    }
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/wire_protocol/compression.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/wire_protocol/compression.ts
new file mode 100644
index 000000000..68e1af545
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/wire_protocol/compression.ts
@@ -0,0 +1,130 @@
+import * as zlib from 'zlib';
+
+import { LEGACY_HELLO_COMMAND } from '../../constants';
+import { PKG_VERSION, Snappy, ZStandard } from '../../deps';
+import { MongoDecompressionError, MongoInvalidArgumentError } from '../../error';
+import type { Callback } from '../../utils';
+import type { OperationDescription } from '../message_stream';
+
+/** @public */
+export const Compressor = Object.freeze({
+  none: 0,
+  snappy: 1,
+  zlib: 2,
+  zstd: 3
+} as const);
+
+/** @public */
+export type Compressor = typeof Compressor[CompressorName];
+
+/** @public */
+export type CompressorName = keyof typeof Compressor;
+
+export const uncompressibleCommands = new Set([
+  LEGACY_HELLO_COMMAND,
+  'saslStart',
+  'saslContinue',
+  'getnonce',
+  'authenticate',
+  'createUser',
+  'updateUser',
+  'copydbSaslStart',
+  'copydbgetnonce',
+  'copydb'
+]);
+
+const MAX_COMPRESSOR_ID = 3;
+const ZSTD_COMPRESSION_LEVEL = 3;
+
+// Facilitate compressing a message using an agreed compressor
+export function compress(
+  self: { options: OperationDescription & zlib.ZlibOptions },
+  dataToBeCompressed: Buffer,
+  callback: Callback<Buffer>
+): void {
+  const zlibOptions = {} as zlib.ZlibOptions;
+  switch (self.options.agreedCompressor) {
+    case 'snappy': {
+      if ('kModuleError' in Snappy) {
+        return callback(Snappy['kModuleError']);
+      }
+
+      if (Snappy[PKG_VERSION].major <= 6) {
+        Snappy.compress(dataToBeCompressed, callback);
+      } else {
+        Snappy.compress(dataToBeCompressed).then(
+          buffer => callback(undefined, buffer),
+          error => callback(error)
+        );
+      }
+      break;
+    }
+    case 'zlib':
+      // Determine zlibCompressionLevel
+      if (self.options.zlibCompressionLevel) {
+        zlibOptions.level = self.options.zlibCompressionLevel;
+      }
+      zlib.deflate(dataToBeCompressed, zlibOptions, callback as zlib.CompressCallback);
+      break;
+    case 'zstd':
+      if ('kModuleError' in ZStandard) {
+        return callback(ZStandard['kModuleError']);
+      }
+      ZStandard.compress(dataToBeCompressed, ZSTD_COMPRESSION_LEVEL).then(
+        buffer => callback(undefined, buffer),
+        error => callback(error)
+      );
+      break;
+    default:
+      throw new MongoInvalidArgumentError(
+        `Unknown compressor ${self.options.agreedCompressor} failed to compress`
+      );
+  }
+}
+
+// Decompress a message using the given compressor
+export function decompress(
+  compressorID: Compressor,
+  compressedData: Buffer,
+  callback: Callback<Buffer>
+): void {
+  if (compressorID < 0 || compressorID > MAX_COMPRESSOR_ID) {
+    throw new MongoDecompressionError(
+      `Server sent message compressed using an unsupported compressor. (Received compressor ID ${compressorID})`
+    );
+  }
+
+  switch (compressorID) {
+    case Compressor.snappy: {
+      if ('kModuleError' in Snappy) {
+        return callback(Snappy['kModuleError']);
+      }
+
+      if (Snappy[PKG_VERSION].major <= 6) {
+        Snappy.uncompress(compressedData, { asBuffer: true }, callback);
+      } else {
+        Snappy.uncompress(compressedData, { asBuffer: true }).then(
+          buffer => callback(undefined, buffer),
+          error => callback(error)
+        );
+      }
+      break;
+    }
+    case Compressor.zstd: {
+      if ('kModuleError' in ZStandard) {
+        return callback(ZStandard['kModuleError']);
+      }
+
+      ZStandard.decompress(compressedData).then(
+        buffer => callback(undefined, buffer),
+        error => callback(error)
+      );
+      break;
+    }
+    case Compressor.zlib:
+      zlib.inflate(compressedData, callback as zlib.CompressCallback);
+      break;
+    default:
+      callback(undefined, compressedData);
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/wire_protocol/constants.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/wire_protocol/constants.ts
new file mode 100644
index 000000000..75c26d7f6
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/wire_protocol/constants.ts
@@ -0,0 +1,11 @@
+export const MIN_SUPPORTED_SERVER_VERSION = '3.6';
+export const MAX_SUPPORTED_SERVER_VERSION = '6.0';
+export const MIN_SUPPORTED_WIRE_VERSION = 6;
+export const MAX_SUPPORTED_WIRE_VERSION = 17;
+export const OP_REPLY = 1;
+export const OP_UPDATE = 2001;
+export const OP_INSERT = 2002;
+export const OP_QUERY = 2004;
+export const OP_DELETE = 2006;
+export const OP_COMPRESSED = 2012;
+export const OP_MSG = 2013;
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cmap/wire_protocol/shared.ts b/node_modules/mongoose/node_modules/mongodb/src/cmap/wire_protocol/shared.ts
new file mode 100644
index 000000000..bc13ff6d8
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cmap/wire_protocol/shared.ts
@@ -0,0 +1,76 @@
+import type { Document } from '../../bson';
+import { MongoInvalidArgumentError } from '../../error';
+import type { ReadPreferenceLike } from '../../read_preference';
+import { ReadPreference } from '../../read_preference';
+import { ServerType } from '../../sdam/common';
+import type { Server } from '../../sdam/server';
+import type { ServerDescription } from '../../sdam/server_description';
+import type { Topology } from '../../sdam/topology';
+import { TopologyDescription } from '../../sdam/topology_description';
+import type { OpQueryOptions } from '../commands';
+import type { CommandOptions, Connection } from '../connection';
+
+export interface ReadPreferenceOption {
+  readPreference?: ReadPreferenceLike;
+}
+
+export function getReadPreference(cmd: Document, options?: ReadPreferenceOption): ReadPreference {
+  // Default to command version of the readPreference
+  let readPreference = cmd.readPreference || ReadPreference.primary;
+  // If we have an option readPreference override the command one
+  if (options?.readPreference) {
+    readPreference = options.readPreference;
+  }
+
+  if (typeof readPreference === 'string') {
+    readPreference = ReadPreference.fromString(readPreference);
+  }
+
+  if (!(readPreference instanceof ReadPreference)) {
+    throw new MongoInvalidArgumentError(
+      'Option "readPreference" must be a ReadPreference instance'
+    );
+  }
+
+  return readPreference;
+}
+
+export function applyCommonQueryOptions(
+  queryOptions: OpQueryOptions,
+  options: CommandOptions
+): CommandOptions {
+  Object.assign(queryOptions, {
+    raw: typeof options.raw === 'boolean' ? options.raw : false,
+    promoteLongs: typeof options.promoteLongs === 'boolean' ? options.promoteLongs : true,
+    promoteValues: typeof options.promoteValues === 'boolean' ? options.promoteValues : true,
+    promoteBuffers: typeof options.promoteBuffers === 'boolean' ? options.promoteBuffers : false,
+    bsonRegExp: typeof options.bsonRegExp === 'boolean' ? options.bsonRegExp : false,
+    enableUtf8Validation:
+      typeof options.enableUtf8Validation === 'boolean' ? options.enableUtf8Validation : true
+  });
+
+  if (options.session) {
+    queryOptions.session = options.session;
+  }
+
+  return queryOptions;
+}
+
+export function isSharded(topologyOrServer?: Topology | Server | Connection): boolean {
+  if (topologyOrServer == null) {
+    return false;
+  }
+
+  if (topologyOrServer.description && topologyOrServer.description.type === ServerType.Mongos) {
+    return true;
+  }
+
+  // NOTE: This is incredibly inefficient, and should be removed once command construction
+  //       happens based on `Server` not `Topology`.
+  if (topologyOrServer.description && topologyOrServer.description instanceof TopologyDescription) {
+    const servers: ServerDescription[] = Array.from(topologyOrServer.description.servers.values());
+    return servers.some((server: ServerDescription) => server.type === ServerType.Mongos);
+  }
+
+  return false;
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/collection.ts b/node_modules/mongoose/node_modules/mongodb/src/collection.ts
new file mode 100644
index 000000000..3f142e7f4
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/collection.ts
@@ -0,0 +1,1700 @@
+import { BSONSerializeOptions, Document, resolveBSONOptions } from './bson';
+import type { AnyBulkWriteOperation, BulkWriteOptions, BulkWriteResult } from './bulk/common';
+import { OrderedBulkOperation } from './bulk/ordered';
+import { UnorderedBulkOperation } from './bulk/unordered';
+import { ChangeStream, ChangeStreamDocument, ChangeStreamOptions } from './change_stream';
+import { AggregationCursor } from './cursor/aggregation_cursor';
+import { FindCursor } from './cursor/find_cursor';
+import { ListIndexesCursor } from './cursor/list_indexes_cursor';
+import type { Db } from './db';
+import { MongoInvalidArgumentError } from './error';
+import type { Logger, LoggerOptions } from './logger';
+import type { PkFactory } from './mongo_client';
+import type {
+  Filter,
+  Flatten,
+  OptionalUnlessRequiredId,
+  TODO_NODE_3286,
+  UpdateFilter,
+  WithId,
+  WithoutId
+} from './mongo_types';
+import type { AggregateOptions } from './operations/aggregate';
+import { BulkWriteOperation } from './operations/bulk_write';
+import type { IndexInformationOptions } from './operations/common_functions';
+import { CountOperation, CountOptions } from './operations/count';
+import { CountDocumentsOperation, CountDocumentsOptions } from './operations/count_documents';
+import {
+  DeleteManyOperation,
+  DeleteOneOperation,
+  DeleteOptions,
+  DeleteResult
+} from './operations/delete';
+import { DistinctOperation, DistinctOptions } from './operations/distinct';
+import { DropCollectionOperation, DropCollectionOptions } from './operations/drop';
+import {
+  EstimatedDocumentCountOperation,
+  EstimatedDocumentCountOptions
+} from './operations/estimated_document_count';
+import { executeOperation } from './operations/execute_operation';
+import type { FindOptions } from './operations/find';
+import {
+  FindOneAndDeleteOperation,
+  FindOneAndDeleteOptions,
+  FindOneAndReplaceOperation,
+  FindOneAndReplaceOptions,
+  FindOneAndUpdateOperation,
+  FindOneAndUpdateOptions
+} from './operations/find_and_modify';
+import {
+  CreateIndexesOperation,
+  CreateIndexesOptions,
+  CreateIndexOperation,
+  DropIndexesOperation,
+  DropIndexesOptions,
+  DropIndexOperation,
+  IndexDescription,
+  IndexesOperation,
+  IndexExistsOperation,
+  IndexInformationOperation,
+  IndexSpecification,
+  ListIndexesOptions
+} from './operations/indexes';
+import {
+  InsertManyOperation,
+  InsertManyResult,
+  InsertOneOperation,
+  InsertOneOptions,
+  InsertOneResult
+} from './operations/insert';
+import { IsCappedOperation } from './operations/is_capped';
+import {
+  MapFunction,
+  MapReduceOperation,
+  MapReduceOptions,
+  ReduceFunction
+} from './operations/map_reduce';
+import type { Hint, OperationOptions } from './operations/operation';
+import { OptionsOperation } from './operations/options_operation';
+import { RenameOperation, RenameOptions } from './operations/rename';
+import { CollStats, CollStatsOperation, CollStatsOptions } from './operations/stats';
+import {
+  ReplaceOneOperation,
+  ReplaceOptions,
+  UpdateManyOperation,
+  UpdateOneOperation,
+  UpdateOptions,
+  UpdateResult
+} from './operations/update';
+import { ReadConcern, ReadConcernLike } from './read_concern';
+import { ReadPreference, ReadPreferenceLike } from './read_preference';
+import {
+  Callback,
+  checkCollectionName,
+  DEFAULT_PK_FACTORY,
+  emitWarningOnce,
+  MongoDBNamespace,
+  normalizeHintField,
+  resolveOptions
+} from './utils';
+import { WriteConcern, WriteConcernOptions } from './write_concern';
+
+/** @public */
+export interface ModifyResult<TSchema = Document> {
+  value: WithId<TSchema> | null;
+  lastErrorObject?: Document;
+  ok: 0 | 1;
+}
+
+/** @public */
+export interface CollectionOptions
+  extends BSONSerializeOptions,
+    WriteConcernOptions,
+    LoggerOptions {
+  /**
+   * @deprecated Use readPreference instead
+   */
+  slaveOk?: boolean;
+  /** Specify a read concern for the collection. (only MongoDB 3.2 or higher supported) */
+  readConcern?: ReadConcernLike;
+  /** The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). */
+  readPreference?: ReadPreferenceLike;
+}
+
+/** @internal */
+export interface CollectionPrivate {
+  pkFactory: PkFactory;
+  db: Db;
+  options: any;
+  namespace: MongoDBNamespace;
+  readPreference?: ReadPreference;
+  bsonOptions: BSONSerializeOptions;
+  collectionHint?: Hint;
+  readConcern?: ReadConcern;
+  writeConcern?: WriteConcern;
+}
+
+/**
+ * The **Collection** class is an internal class that embodies a MongoDB collection
+ * allowing for insert/update/remove/find and other command operation on that MongoDB collection.
+ *
+ * **COLLECTION Cannot directly be instantiated**
+ * @public
+ *
+ * @example
+ * ```js
+ * const MongoClient = require('mongodb').MongoClient;
+ * const test = require('assert');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, client) {
+ *   // Create a collection we want to drop later
+ *   const col = client.db(dbName).collection('createIndexExample1');
+ *   // Show that duplicate records got dropped
+ *   col.find({}).toArray(function(err, items) {
+ *     expect(err).to.not.exist;
+ *     test.equal(4, items.length);
+ *     client.close();
+ *   });
+ * });
+ * ```
+ */
+export class Collection<TSchema extends Document = Document> {
+  /** @internal */
+  s: CollectionPrivate;
+
+  /**
+   * Create a new Collection instance
+   * @internal
+   */
+  constructor(db: Db, name: string, options?: CollectionOptions) {
+    checkCollectionName(name);
+
+    // Internal state
+    this.s = {
+      db,
+      options,
+      namespace: new MongoDBNamespace(db.databaseName, name),
+      pkFactory: db.options?.pkFactory ?? DEFAULT_PK_FACTORY,
+      readPreference: ReadPreference.fromOptions(options),
+      bsonOptions: resolveBSONOptions(options, db),
+      readConcern: ReadConcern.fromOptions(options),
+      writeConcern: WriteConcern.fromOptions(options)
+    };
+  }
+
+  /**
+   * The name of the database this collection belongs to
+   */
+  get dbName(): string {
+    return this.s.namespace.db;
+  }
+
+  /**
+   * The name of this collection
+   */
+  get collectionName(): string {
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    return this.s.namespace.collection!;
+  }
+
+  /**
+   * The namespace of this collection, in the format `${this.dbName}.${this.collectionName}`
+   */
+  get namespace(): string {
+    return this.s.namespace.toString();
+  }
+
+  /**
+   * The current readConcern of the collection. If not explicitly defined for
+   * this collection, will be inherited from the parent DB
+   */
+  get readConcern(): ReadConcern | undefined {
+    if (this.s.readConcern == null) {
+      return this.s.db.readConcern;
+    }
+    return this.s.readConcern;
+  }
+
+  /**
+   * The current readPreference of the collection. If not explicitly defined for
+   * this collection, will be inherited from the parent DB
+   */
+  get readPreference(): ReadPreference | undefined {
+    if (this.s.readPreference == null) {
+      return this.s.db.readPreference;
+    }
+
+    return this.s.readPreference;
+  }
+
+  get bsonOptions(): BSONSerializeOptions {
+    return this.s.bsonOptions;
+  }
+
+  /**
+   * The current writeConcern of the collection. If not explicitly defined for
+   * this collection, will be inherited from the parent DB
+   */
+  get writeConcern(): WriteConcern | undefined {
+    if (this.s.writeConcern == null) {
+      return this.s.db.writeConcern;
+    }
+    return this.s.writeConcern;
+  }
+
+  /** The current index hint for the collection */
+  get hint(): Hint | undefined {
+    return this.s.collectionHint;
+  }
+
+  set hint(v: Hint | undefined) {
+    this.s.collectionHint = normalizeHintField(v);
+  }
+
+  /**
+   * Inserts a single document into MongoDB. If documents passed in do not contain the **_id** field,
+   * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+   * can be overridden by setting the **forceServerObjectId** flag.
+   *
+   * @param doc - The document to insert
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  insertOne(doc: OptionalUnlessRequiredId<TSchema>): Promise<InsertOneResult<TSchema>>;
+  insertOne(
+    doc: OptionalUnlessRequiredId<TSchema>,
+    callback: Callback<InsertOneResult<TSchema>>
+  ): void;
+  insertOne(
+    doc: OptionalUnlessRequiredId<TSchema>,
+    options: InsertOneOptions
+  ): Promise<InsertOneResult<TSchema>>;
+  insertOne(
+    doc: OptionalUnlessRequiredId<TSchema>,
+    options: InsertOneOptions,
+    callback: Callback<InsertOneResult<TSchema>>
+  ): void;
+  insertOne(
+    doc: OptionalUnlessRequiredId<TSchema>,
+    options?: InsertOneOptions | Callback<InsertOneResult<TSchema>>,
+    callback?: Callback<InsertOneResult<TSchema>>
+  ): Promise<InsertOneResult<TSchema>> | void {
+    if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    // CSFLE passes in { w: 'majority' } to ensure the lib works in both 3.x and 4.x
+    // we support that option style here only
+    if (options && Reflect.get(options, 'w')) {
+      options.writeConcern = WriteConcern.fromOptions(Reflect.get(options, 'w'));
+    }
+
+    return executeOperation(
+      this.s.db.s.client,
+      new InsertOneOperation(
+        this as TODO_NODE_3286,
+        doc,
+        resolveOptions(this, options)
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Inserts an array of documents into MongoDB. If documents passed in do not contain the **_id** field,
+   * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+   * can be overridden by setting the **forceServerObjectId** flag.
+   *
+   * @param docs - The documents to insert
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  insertMany(docs: OptionalUnlessRequiredId<TSchema>[]): Promise<InsertManyResult<TSchema>>;
+  insertMany(
+    docs: OptionalUnlessRequiredId<TSchema>[],
+    callback: Callback<InsertManyResult<TSchema>>
+  ): void;
+  insertMany(
+    docs: OptionalUnlessRequiredId<TSchema>[],
+    options: BulkWriteOptions
+  ): Promise<InsertManyResult<TSchema>>;
+  insertMany(
+    docs: OptionalUnlessRequiredId<TSchema>[],
+    options: BulkWriteOptions,
+    callback: Callback<InsertManyResult<TSchema>>
+  ): void;
+  insertMany(
+    docs: OptionalUnlessRequiredId<TSchema>[],
+    options?: BulkWriteOptions | Callback<InsertManyResult<TSchema>>,
+    callback?: Callback<InsertManyResult<TSchema>>
+  ): Promise<InsertManyResult<TSchema>> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ? Object.assign({}, options) : { ordered: true };
+
+    return executeOperation(
+      this.s.db.s.client,
+      new InsertManyOperation(
+        this as TODO_NODE_3286,
+        docs,
+        resolveOptions(this, options)
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Perform a bulkWrite operation without a fluent API
+   *
+   * Legal operation types are
+   *
+   * ```js
+   *  { insertOne: { document: { a: 1 } } }
+   *
+   *  { updateOne: { filter: {a:2}, update: {$set: {a:2}}, upsert:true } }
+   *
+   *  { updateMany: { filter: {a:2}, update: {$set: {a:2}}, upsert:true } }
+   *
+   *  { updateMany: { filter: {}, update: {$set: {"a.$[i].x": 5}}, arrayFilters: [{ "i.x": 5 }]} }
+   *
+   *  { deleteOne: { filter: {c:1} } }
+   *
+   *  { deleteMany: { filter: {c:1} } }
+   *
+   *  { replaceOne: { filter: {c:3}, replacement: {c:4}, upsert:true} }
+   *```
+   * Please note that raw operations are no longer accepted as of driver version 4.0.
+   *
+   * If documents passed in do not contain the **_id** field,
+   * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+   * can be overridden by setting the **forceServerObjectId** flag.
+   *
+   * @param operations - Bulk operations to perform
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   * @throws MongoDriverError if operations is not an array
+   */
+  bulkWrite(operations: AnyBulkWriteOperation<TSchema>[]): Promise<BulkWriteResult>;
+  bulkWrite(
+    operations: AnyBulkWriteOperation<TSchema>[],
+    callback: Callback<BulkWriteResult>
+  ): void;
+  bulkWrite(
+    operations: AnyBulkWriteOperation<TSchema>[],
+    options: BulkWriteOptions
+  ): Promise<BulkWriteResult>;
+  bulkWrite(
+    operations: AnyBulkWriteOperation<TSchema>[],
+    options: BulkWriteOptions,
+    callback: Callback<BulkWriteResult>
+  ): void;
+  bulkWrite(
+    operations: AnyBulkWriteOperation<TSchema>[],
+    options?: BulkWriteOptions | Callback<BulkWriteResult>,
+    callback?: Callback<BulkWriteResult>
+  ): Promise<BulkWriteResult> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options || { ordered: true };
+
+    if (!Array.isArray(operations)) {
+      throw new MongoInvalidArgumentError('Argument "operations" must be an array of documents');
+    }
+
+    return executeOperation(
+      this.s.db.s.client,
+      new BulkWriteOperation(
+        this as TODO_NODE_3286,
+        operations as TODO_NODE_3286,
+        resolveOptions(this, options)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Update a single document in a collection
+   *
+   * @param filter - The filter used to select the document to update
+   * @param update - The update operations to be applied to the document
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  updateOne(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema> | Partial<TSchema>
+  ): Promise<UpdateResult>;
+  updateOne(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema> | Partial<TSchema>,
+    callback: Callback<UpdateResult>
+  ): void;
+  updateOne(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema> | Partial<TSchema>,
+    options: UpdateOptions
+  ): Promise<UpdateResult>;
+  updateOne(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema> | Partial<TSchema>,
+    options: UpdateOptions,
+    callback: Callback<UpdateResult>
+  ): void;
+  updateOne(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema> | Partial<TSchema>,
+    options?: UpdateOptions | Callback<UpdateResult>,
+    callback?: Callback<UpdateResult>
+  ): Promise<UpdateResult> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new UpdateOneOperation(
+        this as TODO_NODE_3286,
+        filter,
+        update,
+        resolveOptions(this, options)
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Replace a document in a collection with another document
+   *
+   * @param filter - The filter used to select the document to replace
+   * @param replacement - The Document that replaces the matching document
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  replaceOne(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>
+  ): Promise<UpdateResult | Document>;
+  replaceOne(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    callback: Callback<UpdateResult | Document>
+  ): void;
+  replaceOne(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    options: ReplaceOptions
+  ): Promise<UpdateResult | Document>;
+  replaceOne(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    options: ReplaceOptions,
+    callback: Callback<UpdateResult | Document>
+  ): void;
+  replaceOne(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    options?: ReplaceOptions | Callback<UpdateResult | Document>,
+    callback?: Callback<UpdateResult | Document>
+  ): Promise<UpdateResult | Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new ReplaceOneOperation(
+        this as TODO_NODE_3286,
+        filter,
+        replacement,
+        resolveOptions(this, options)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Update multiple documents in a collection
+   *
+   * @param filter - The filter used to select the documents to update
+   * @param update - The update operations to be applied to the documents
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  updateMany(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>
+  ): Promise<UpdateResult | Document>;
+  updateMany(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    callback: Callback<UpdateResult | Document>
+  ): void;
+  updateMany(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options: UpdateOptions
+  ): Promise<UpdateResult | Document>;
+  updateMany(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options: UpdateOptions,
+    callback: Callback<UpdateResult | Document>
+  ): void;
+  updateMany(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options?: UpdateOptions | Callback<UpdateResult | Document>,
+    callback?: Callback<UpdateResult | Document>
+  ): Promise<UpdateResult | Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new UpdateManyOperation(
+        this as TODO_NODE_3286,
+        filter,
+        update,
+        resolveOptions(this, options)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Delete a document from a collection
+   *
+   * @param filter - The filter used to select the document to remove
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  deleteOne(filter: Filter<TSchema>): Promise<DeleteResult>;
+  deleteOne(filter: Filter<TSchema>, callback: Callback<DeleteResult>): void;
+  deleteOne(filter: Filter<TSchema>, options: DeleteOptions): Promise<DeleteResult>;
+  deleteOne(
+    filter: Filter<TSchema>,
+    options: DeleteOptions,
+    callback?: Callback<DeleteResult>
+  ): void;
+  deleteOne(
+    filter: Filter<TSchema>,
+    options?: DeleteOptions | Callback<DeleteResult>,
+    callback?: Callback<DeleteResult>
+  ): Promise<DeleteResult> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new DeleteOneOperation(this as TODO_NODE_3286, filter, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Delete multiple documents from a collection
+   *
+   * @param filter - The filter used to select the documents to remove
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  deleteMany(filter: Filter<TSchema>): Promise<DeleteResult>;
+  deleteMany(filter: Filter<TSchema>, callback: Callback<DeleteResult>): void;
+  deleteMany(filter: Filter<TSchema>, options: DeleteOptions): Promise<DeleteResult>;
+  deleteMany(
+    filter: Filter<TSchema>,
+    options: DeleteOptions,
+    callback: Callback<DeleteResult>
+  ): void;
+  deleteMany(
+    filter: Filter<TSchema>,
+    options?: DeleteOptions | Callback<DeleteResult>,
+    callback?: Callback<DeleteResult>
+  ): Promise<DeleteResult> | void {
+    if (filter == null) {
+      filter = {};
+      options = {};
+      callback = undefined;
+    } else if (typeof filter === 'function') {
+      callback = filter as Callback<DeleteResult>;
+      filter = {};
+      options = {};
+    } else if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    return executeOperation(
+      this.s.db.s.client,
+      new DeleteManyOperation(this as TODO_NODE_3286, filter, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Rename the collection.
+   *
+   * @remarks
+   * This operation does not inherit options from the Db or MongoClient.
+   *
+   * @param newName - New name of of the collection.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  rename(newName: string): Promise<Collection>;
+  rename(newName: string, callback: Callback<Collection>): void;
+  rename(newName: string, options: RenameOptions): Promise<Collection>;
+  rename(newName: string, options: RenameOptions, callback: Callback<Collection>): void;
+  rename(
+    newName: string,
+    options?: RenameOptions | Callback<Collection>,
+    callback?: Callback<Collection>
+  ): Promise<Collection> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    // Intentionally, we do not inherit options from parent for this operation.
+    return executeOperation(
+      this.s.db.s.client,
+      new RenameOperation(this as TODO_NODE_3286, newName, {
+        ...options,
+        readPreference: ReadPreference.PRIMARY
+      }),
+      callback
+    );
+  }
+
+  /**
+   * Drop the collection from the database, removing it permanently. New accesses will create a new collection.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  drop(): Promise<boolean>;
+  drop(callback: Callback<boolean>): void;
+  drop(options: DropCollectionOptions): Promise<boolean>;
+  drop(options: DropCollectionOptions, callback: Callback<boolean>): void;
+  drop(
+    options?: DropCollectionOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return executeOperation(
+      this.s.db.s.client,
+      new DropCollectionOperation(this.s.db, this.collectionName, options),
+      callback
+    );
+  }
+
+  /**
+   * Fetches the first document that matches the filter
+   *
+   * @param filter - Query for find Operation
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  findOne(): Promise<WithId<TSchema> | null>;
+  findOne(callback: Callback<WithId<TSchema> | null>): void;
+  findOne(filter: Filter<TSchema>): Promise<WithId<TSchema> | null>;
+  findOne(filter: Filter<TSchema>, callback: Callback<WithId<TSchema> | null>): void;
+  findOne(filter: Filter<TSchema>, options: FindOptions): Promise<WithId<TSchema> | null>;
+  findOne(
+    filter: Filter<TSchema>,
+    options: FindOptions,
+    callback: Callback<WithId<TSchema> | null>
+  ): void;
+
+  // allow an override of the schema.
+  findOne<T = TSchema>(): Promise<T | null>;
+  findOne<T = TSchema>(callback: Callback<T | null>): void;
+  findOne<T = TSchema>(filter: Filter<TSchema>): Promise<T | null>;
+  findOne<T = TSchema>(filter: Filter<TSchema>, options?: FindOptions): Promise<T | null>;
+  findOne<T = TSchema>(
+    filter: Filter<TSchema>,
+    options?: FindOptions,
+    callback?: Callback<T | null>
+  ): void;
+
+  findOne(
+    filter?: Filter<TSchema> | Callback<WithId<TSchema> | null>,
+    options?: FindOptions | Callback<WithId<TSchema> | null>,
+    callback?: Callback<WithId<TSchema> | null>
+  ): Promise<WithId<TSchema> | null> | void {
+    if (callback != null && typeof callback !== 'function') {
+      throw new MongoInvalidArgumentError(
+        'Third parameter to `findOne()` must be a callback or undefined'
+      );
+    }
+
+    if (typeof filter === 'function') {
+      callback = filter;
+      filter = {};
+      options = {};
+    }
+    if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    const finalFilter = filter ?? {};
+    const finalOptions = options ?? {};
+    return this.find(finalFilter, finalOptions).limit(-1).batchSize(1).next(callback);
+  }
+
+  /**
+   * Creates a cursor for a filter that can be used to iterate over results from MongoDB
+   *
+   * @param filter - The filter predicate. If unspecified, then all documents in the collection will match the predicate
+   */
+  find(): FindCursor<WithId<TSchema>>;
+  find(filter: Filter<TSchema>, options?: FindOptions): FindCursor<WithId<TSchema>>;
+  find<T extends Document>(filter: Filter<TSchema>, options?: FindOptions): FindCursor<T>;
+  find(filter?: Filter<TSchema>, options?: FindOptions): FindCursor<WithId<TSchema>> {
+    if (arguments.length > 2) {
+      throw new MongoInvalidArgumentError(
+        'Method "collection.find()" accepts at most two arguments'
+      );
+    }
+    if (typeof options === 'function') {
+      throw new MongoInvalidArgumentError('Argument "options" must not be function');
+    }
+
+    return new FindCursor<WithId<TSchema>>(
+      this.s.db.s.client,
+      this.s.namespace,
+      filter,
+      resolveOptions(this as TODO_NODE_3286, options)
+    );
+  }
+
+  /**
+   * Returns the options of the collection.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  options(): Promise<Document>;
+  options(callback: Callback<Document>): void;
+  options(options: OperationOptions): Promise<Document>;
+  options(options: OperationOptions, callback: Callback<Document>): void;
+  options(
+    options?: OperationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new OptionsOperation(this as TODO_NODE_3286, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Returns if the collection is a capped collection
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  isCapped(): Promise<boolean>;
+  isCapped(callback: Callback<boolean>): void;
+  isCapped(options: OperationOptions): Promise<boolean>;
+  isCapped(options: OperationOptions, callback: Callback<boolean>): void;
+  isCapped(
+    options?: OperationOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new IsCappedOperation(this as TODO_NODE_3286, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Creates an index on the db and collection collection.
+   *
+   * @param indexSpec - The field name or index specification to create an index for
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   *
+   * @example
+   * ```js
+   * const collection = client.db('foo').collection('bar');
+   *
+   * await collection.createIndex({ a: 1, b: -1 });
+   *
+   * // Alternate syntax for { c: 1, d: -1 } that ensures order of indexes
+   * await collection.createIndex([ [c, 1], [d, -1] ]);
+   *
+   * // Equivalent to { e: 1 }
+   * await collection.createIndex('e');
+   *
+   * // Equivalent to { f: 1, g: 1 }
+   * await collection.createIndex(['f', 'g'])
+   *
+   * // Equivalent to { h: 1, i: -1 }
+   * await collection.createIndex([ { h: 1 }, { i: -1 } ]);
+   *
+   * // Equivalent to { j: 1, k: -1, l: 2d }
+   * await collection.createIndex(['j', ['k', -1], { l: '2d' }])
+   * ```
+   */
+  createIndex(indexSpec: IndexSpecification): Promise<string>;
+  createIndex(indexSpec: IndexSpecification, callback: Callback<string>): void;
+  createIndex(indexSpec: IndexSpecification, options: CreateIndexesOptions): Promise<string>;
+  createIndex(
+    indexSpec: IndexSpecification,
+    options: CreateIndexesOptions,
+    callback: Callback<string>
+  ): void;
+  createIndex(
+    indexSpec: IndexSpecification,
+    options?: CreateIndexesOptions | Callback<string>,
+    callback?: Callback<string>
+  ): Promise<string> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new CreateIndexOperation(
+        this as TODO_NODE_3286,
+        this.collectionName,
+        indexSpec,
+        resolveOptions(this, options)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Creates multiple indexes in the collection, this method is only supported for
+   * MongoDB 2.6 or higher. Earlier version of MongoDB will throw a command not supported
+   * error.
+   *
+   * **Note**: Unlike {@link Collection#createIndex| createIndex}, this function takes in raw index specifications.
+   * Index specifications are defined {@link http://docs.mongodb.org/manual/reference/command/createIndexes/| here}.
+   *
+   * @param indexSpecs - An array of index specifications to be created
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   *
+   * @example
+   * ```js
+   * const collection = client.db('foo').collection('bar');
+   * await collection.createIndexes([
+   *   // Simple index on field fizz
+   *   {
+   *     key: { fizz: 1 },
+   *   }
+   *   // wildcard index
+   *   {
+   *     key: { '$**': 1 }
+   *   },
+   *   // named index on darmok and jalad
+   *   {
+   *     key: { darmok: 1, jalad: -1 }
+   *     name: 'tanagra'
+   *   }
+   * ]);
+   * ```
+   */
+  createIndexes(indexSpecs: IndexDescription[]): Promise<string[]>;
+  createIndexes(indexSpecs: IndexDescription[], callback: Callback<string[]>): void;
+  createIndexes(indexSpecs: IndexDescription[], options: CreateIndexesOptions): Promise<string[]>;
+  createIndexes(
+    indexSpecs: IndexDescription[],
+    options: CreateIndexesOptions,
+    callback: Callback<string[]>
+  ): void;
+  createIndexes(
+    indexSpecs: IndexDescription[],
+    options?: CreateIndexesOptions | Callback<string[]>,
+    callback?: Callback<string[]>
+  ): Promise<string[]> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ? Object.assign({}, options) : {};
+    if (typeof options.maxTimeMS !== 'number') delete options.maxTimeMS;
+
+    return executeOperation(
+      this.s.db.s.client,
+      new CreateIndexesOperation(
+        this as TODO_NODE_3286,
+        this.collectionName,
+        indexSpecs,
+        resolveOptions(this, options)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Drops an index from this collection.
+   *
+   * @param indexName - Name of the index to drop.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  dropIndex(indexName: string): Promise<Document>;
+  dropIndex(indexName: string, callback: Callback<Document>): void;
+  dropIndex(indexName: string, options: DropIndexesOptions): Promise<Document>;
+  dropIndex(indexName: string, options: DropIndexesOptions, callback: Callback<Document>): void;
+  dropIndex(
+    indexName: string,
+    options?: DropIndexesOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = resolveOptions(this, options);
+
+    // Run only against primary
+    options.readPreference = ReadPreference.primary;
+
+    return executeOperation(
+      this.s.db.s.client,
+      new DropIndexOperation(this as TODO_NODE_3286, indexName, options),
+      callback
+    );
+  }
+
+  /**
+   * Drops all indexes from this collection.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  dropIndexes(): Promise<Document>;
+  dropIndexes(callback: Callback<Document>): void;
+  dropIndexes(options: DropIndexesOptions): Promise<Document>;
+  dropIndexes(options: DropIndexesOptions, callback: Callback<Document>): void;
+  dropIndexes(
+    options?: DropIndexesOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new DropIndexesOperation(this as TODO_NODE_3286, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Get the list of all indexes information for the collection.
+   *
+   * @param options - Optional settings for the command
+   */
+  listIndexes(options?: ListIndexesOptions): ListIndexesCursor {
+    return new ListIndexesCursor(this as TODO_NODE_3286, resolveOptions(this, options));
+  }
+
+  /**
+   * Checks if one or more indexes exist on the collection, fails on first non-existing index
+   *
+   * @param indexes - One or more index names to check.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  indexExists(indexes: string | string[]): Promise<boolean>;
+  indexExists(indexes: string | string[], callback: Callback<boolean>): void;
+  indexExists(indexes: string | string[], options: IndexInformationOptions): Promise<boolean>;
+  indexExists(
+    indexes: string | string[],
+    options: IndexInformationOptions,
+    callback: Callback<boolean>
+  ): void;
+  indexExists(
+    indexes: string | string[],
+    options?: IndexInformationOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new IndexExistsOperation(this as TODO_NODE_3286, indexes, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Retrieves this collections index info.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  indexInformation(): Promise<Document>;
+  indexInformation(callback: Callback<Document>): void;
+  indexInformation(options: IndexInformationOptions): Promise<Document>;
+  indexInformation(options: IndexInformationOptions, callback: Callback<Document>): void;
+  indexInformation(
+    options?: IndexInformationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new IndexInformationOperation(this.s.db, this.collectionName, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Gets an estimate of the count of documents in a collection using collection metadata.
+   * This will always run a count command on all server versions.
+   *
+   * due to an oversight in versions 5.0.0-5.0.8 of MongoDB, the count command,
+   * which estimatedDocumentCount uses in its implementation, was not included in v1 of
+   * the Stable API, and so users of the Stable API with estimatedDocumentCount are
+   * recommended to upgrade their server version to 5.0.9+ or set apiStrict: false to avoid
+   * encountering errors.
+   *
+   * @see {@link https://www.mongodb.com/docs/manual/reference/command/count/#behavior|Count: Behavior}
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  estimatedDocumentCount(): Promise<number>;
+  estimatedDocumentCount(callback: Callback<number>): void;
+  estimatedDocumentCount(options: EstimatedDocumentCountOptions): Promise<number>;
+  estimatedDocumentCount(options: EstimatedDocumentCountOptions, callback: Callback<number>): void;
+  estimatedDocumentCount(
+    options?: EstimatedDocumentCountOptions | Callback<number>,
+    callback?: Callback<number>
+  ): Promise<number> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    return executeOperation(
+      this.s.db.s.client,
+      new EstimatedDocumentCountOperation(this as TODO_NODE_3286, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Gets the number of documents matching the filter.
+   * For a fast count of the total documents in a collection see {@link Collection#estimatedDocumentCount| estimatedDocumentCount}.
+   * **Note**: When migrating from {@link Collection#count| count} to {@link Collection#countDocuments| countDocuments}
+   * the following query operators must be replaced:
+   *
+   * | Operator | Replacement |
+   * | -------- | ----------- |
+   * | `$where`   | [`$expr`][1] |
+   * | `$near`    | [`$geoWithin`][2] with [`$center`][3] |
+   * | `$nearSphere` | [`$geoWithin`][2] with [`$centerSphere`][4] |
+   *
+   * [1]: https://docs.mongodb.com/manual/reference/operator/query/expr/
+   * [2]: https://docs.mongodb.com/manual/reference/operator/query/geoWithin/
+   * [3]: https://docs.mongodb.com/manual/reference/operator/query/center/#op._S_center
+   * [4]: https://docs.mongodb.com/manual/reference/operator/query/centerSphere/#op._S_centerSphere
+   *
+   * @param filter - The filter for the count
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   *
+   * @see https://docs.mongodb.com/manual/reference/operator/query/expr/
+   * @see https://docs.mongodb.com/manual/reference/operator/query/geoWithin/
+   * @see https://docs.mongodb.com/manual/reference/operator/query/center/#op._S_center
+   * @see https://docs.mongodb.com/manual/reference/operator/query/centerSphere/#op._S_centerSphere
+   */
+  countDocuments(): Promise<number>;
+  countDocuments(callback: Callback<number>): void;
+  countDocuments(filter: Filter<TSchema>): Promise<number>;
+  countDocuments(callback: Callback<number>): void;
+  countDocuments(filter: Filter<TSchema>, options: CountDocumentsOptions): Promise<number>;
+  countDocuments(
+    filter: Filter<TSchema>,
+    options: CountDocumentsOptions,
+    callback: Callback<number>
+  ): void;
+  countDocuments(filter: Filter<TSchema>, callback: Callback<number>): void;
+  countDocuments(
+    filter?: Document | CountDocumentsOptions | Callback<number>,
+    options?: CountDocumentsOptions | Callback<number>,
+    callback?: Callback<number>
+  ): Promise<number> | void {
+    if (filter == null) {
+      (filter = {}), (options = {}), (callback = undefined);
+    } else if (typeof filter === 'function') {
+      (callback = filter as Callback<number>), (filter = {}), (options = {});
+    } else {
+      if (arguments.length === 2) {
+        if (typeof options === 'function') (callback = options), (options = {});
+      }
+    }
+
+    filter ??= {};
+    return executeOperation(
+      this.s.db.s.client,
+      new CountDocumentsOperation(
+        this as TODO_NODE_3286,
+        filter,
+        resolveOptions(this, options as CountDocumentsOptions)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * The distinct command returns a list of distinct values for the given key across a collection.
+   *
+   * @param key - Field of the document to find distinct values for
+   * @param filter - The filter for filtering the set of documents to which we apply the distinct filter.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key
+  ): Promise<Array<Flatten<WithId<TSchema>[Key]>>>;
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key,
+    callback: Callback<Array<Flatten<WithId<TSchema>[Key]>>>
+  ): void;
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key,
+    filter: Filter<TSchema>
+  ): Promise<Array<Flatten<WithId<TSchema>[Key]>>>;
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key,
+    filter: Filter<TSchema>,
+    callback: Callback<Array<Flatten<WithId<TSchema>[Key]>>>
+  ): void;
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key,
+    filter: Filter<TSchema>,
+    options: DistinctOptions
+  ): Promise<Array<Flatten<WithId<TSchema>[Key]>>>;
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key,
+    filter: Filter<TSchema>,
+    options: DistinctOptions,
+    callback: Callback<Array<Flatten<WithId<TSchema>[Key]>>>
+  ): void;
+
+  // Embedded documents overload
+  distinct(key: string): Promise<any[]>;
+  distinct(key: string, callback: Callback<any[]>): void;
+  distinct(key: string, filter: Filter<TSchema>): Promise<any[]>;
+  distinct(key: string, filter: Filter<TSchema>, callback: Callback<any[]>): void;
+  distinct(key: string, filter: Filter<TSchema>, options: DistinctOptions): Promise<any[]>;
+  distinct(
+    key: string,
+    filter: Filter<TSchema>,
+    options: DistinctOptions,
+    callback: Callback<any[]>
+  ): void;
+  // Implementation
+  distinct<Key extends keyof WithId<TSchema>>(
+    key: Key,
+    filter?: Filter<TSchema> | DistinctOptions | Callback<any[]>,
+    options?: DistinctOptions | Callback<any[]>,
+    callback?: Callback<any[]>
+  ): Promise<any[]> | void {
+    if (typeof filter === 'function') {
+      (callback = filter), (filter = {}), (options = {});
+    } else {
+      if (arguments.length === 3 && typeof options === 'function') {
+        (callback = options), (options = {});
+      }
+    }
+
+    filter ??= {};
+    return executeOperation(
+      this.s.db.s.client,
+      new DistinctOperation(
+        this as TODO_NODE_3286,
+        key as TODO_NODE_3286,
+        filter,
+        resolveOptions(this, options as DistinctOptions)
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Retrieve all the indexes on the collection.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  indexes(): Promise<Document[]>;
+  indexes(callback: Callback<Document[]>): void;
+  indexes(options: IndexInformationOptions): Promise<Document[]>;
+  indexes(options: IndexInformationOptions, callback: Callback<Document[]>): void;
+  indexes(
+    options?: IndexInformationOptions | Callback<Document[]>,
+    callback?: Callback<Document[]>
+  ): Promise<Document[]> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new IndexesOperation(this as TODO_NODE_3286, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Get all the collection statistics.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  stats(): Promise<CollStats>;
+  stats(callback: Callback<CollStats>): void;
+  stats(options: CollStatsOptions): Promise<CollStats>;
+  stats(options: CollStatsOptions, callback: Callback<CollStats>): void;
+  stats(
+    options?: CollStatsOptions | Callback<CollStats>,
+    callback?: Callback<CollStats>
+  ): Promise<CollStats> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return executeOperation(
+      this.s.db.s.client,
+      new CollStatsOperation(this as TODO_NODE_3286, options),
+      callback
+    );
+  }
+
+  /**
+   * Find a document and delete it in one atomic operation. Requires a write lock for the duration of the operation.
+   *
+   * @param filter - The filter used to select the document to remove
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  findOneAndDelete(filter: Filter<TSchema>): Promise<ModifyResult<TSchema>>;
+  findOneAndDelete(
+    filter: Filter<TSchema>,
+    options: FindOneAndDeleteOptions
+  ): Promise<ModifyResult<TSchema>>;
+  findOneAndDelete(filter: Filter<TSchema>, callback: Callback<ModifyResult<TSchema>>): void;
+  findOneAndDelete(
+    filter: Filter<TSchema>,
+    options: FindOneAndDeleteOptions,
+    callback: Callback<ModifyResult<TSchema>>
+  ): void;
+  findOneAndDelete(
+    filter: Filter<TSchema>,
+    options?: FindOneAndDeleteOptions | Callback<ModifyResult<TSchema>>,
+    callback?: Callback<ModifyResult<TSchema>>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new FindOneAndDeleteOperation(
+        this as TODO_NODE_3286,
+        filter,
+        resolveOptions(this, options)
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Find a document and replace it in one atomic operation. Requires a write lock for the duration of the operation.
+   *
+   * @param filter - The filter used to select the document to replace
+   * @param replacement - The Document that replaces the matching document
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  findOneAndReplace(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>
+  ): Promise<ModifyResult<TSchema>>;
+  findOneAndReplace(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    callback: Callback<ModifyResult<TSchema>>
+  ): void;
+  findOneAndReplace(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    options: FindOneAndReplaceOptions
+  ): Promise<ModifyResult<TSchema>>;
+  findOneAndReplace(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    options: FindOneAndReplaceOptions,
+    callback: Callback<ModifyResult<TSchema>>
+  ): void;
+  findOneAndReplace(
+    filter: Filter<TSchema>,
+    replacement: WithoutId<TSchema>,
+    options?: FindOneAndReplaceOptions | Callback<ModifyResult<TSchema>>,
+    callback?: Callback<ModifyResult<TSchema>>
+  ): Promise<ModifyResult<TSchema>> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new FindOneAndReplaceOperation(
+        this as TODO_NODE_3286,
+        filter,
+        replacement,
+        resolveOptions(this, options)
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Find a document and update it in one atomic operation. Requires a write lock for the duration of the operation.
+   *
+   * @param filter - The filter used to select the document to update
+   * @param update - Update operations to be performed on the document
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  findOneAndUpdate(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>
+  ): Promise<ModifyResult<TSchema>>;
+  findOneAndUpdate(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    callback: Callback<ModifyResult<TSchema>>
+  ): void;
+  findOneAndUpdate(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options: FindOneAndUpdateOptions
+  ): Promise<ModifyResult<TSchema>>;
+  findOneAndUpdate(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options: FindOneAndUpdateOptions,
+    callback: Callback<ModifyResult<TSchema>>
+  ): void;
+  findOneAndUpdate(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options?: FindOneAndUpdateOptions | Callback<ModifyResult<TSchema>>,
+    callback?: Callback<ModifyResult<TSchema>>
+  ): Promise<ModifyResult<TSchema>> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.db.s.client,
+      new FindOneAndUpdateOperation(
+        this as TODO_NODE_3286,
+        filter,
+        update,
+        resolveOptions(this, options)
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Execute an aggregation framework pipeline against the collection, needs MongoDB \>= 2.2
+   *
+   * @param pipeline - An array of aggregation pipelines to execute
+   * @param options - Optional settings for the command
+   */
+  aggregate<T extends Document = Document>(
+    pipeline: Document[] = [],
+    options?: AggregateOptions
+  ): AggregationCursor<T> {
+    if (arguments.length > 2) {
+      throw new MongoInvalidArgumentError(
+        'Method "collection.aggregate()" accepts at most two arguments'
+      );
+    }
+    if (!Array.isArray(pipeline)) {
+      throw new MongoInvalidArgumentError(
+        'Argument "pipeline" must be an array of aggregation stages'
+      );
+    }
+    if (typeof options === 'function') {
+      throw new MongoInvalidArgumentError('Argument "options" must not be function');
+    }
+
+    return new AggregationCursor(
+      this.s.db.s.client,
+      this.s.namespace,
+      pipeline,
+      resolveOptions(this, options)
+    );
+  }
+
+  /**
+   * Create a new Change Stream, watching for new changes (insertions, updates, replacements, deletions, and invalidations) in this collection.
+   *
+   * @remarks
+   * watch() accepts two generic arguments for distinct usecases:
+   * - The first is to override the schema that may be defined for this specific collection
+   * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+   * @example
+   * By just providing the first argument I can type the change to be `ChangeStreamDocument<{ _id: number }>`
+   * ```ts
+   * collection.watch<{ _id: number }>()
+   *   .on('change', change => console.log(change._id.toFixed(4)));
+   * ```
+   *
+   * @example
+   * Passing a second argument provides a way to reflect the type changes caused by an advanced pipeline.
+   * Here, we are using a pipeline to have MongoDB filter for insert changes only and add a comment.
+   * No need start from scratch on the ChangeStreamInsertDocument type!
+   * By using an intersection we can save time and ensure defaults remain the same type!
+   * ```ts
+   * collection
+   *   .watch<Schema, ChangeStreamInsertDocument<Schema> & { comment: string }>([
+   *     { $addFields: { comment: 'big changes' } },
+   *     { $match: { operationType: 'insert' } }
+   *   ])
+   *   .on('change', change => {
+   *     change.comment.startsWith('big');
+   *     change.operationType === 'insert';
+   *     // No need to narrow in code because the generics did that for us!
+   *     expectType<Schema>(change.fullDocument);
+   *   });
+   * ```
+   *
+   * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+   * @param options - Optional settings for the command
+   * @typeParam TLocal - Type of the data being detected by the change stream
+   * @typeParam TChange - Type of the whole change stream document emitted
+   */
+  watch<TLocal extends Document = TSchema, TChange extends Document = ChangeStreamDocument<TLocal>>(
+    pipeline: Document[] = [],
+    options: ChangeStreamOptions = {}
+  ): ChangeStream<TLocal, TChange> {
+    // Allow optionally not specifying a pipeline
+    if (!Array.isArray(pipeline)) {
+      options = pipeline;
+      pipeline = [];
+    }
+
+    return new ChangeStream<TLocal, TChange>(this, pipeline, resolveOptions(this, options));
+  }
+
+  /**
+   * Run Map Reduce across a collection. Be aware that the inline option for out will return an array of results not a collection.
+   *
+   * @deprecated collection.mapReduce is deprecated. Use the aggregation pipeline instead. Visit https://docs.mongodb.com/manual/reference/map-reduce-to-aggregation-pipeline for more information on how to translate map-reduce operations to the aggregation pipeline.
+   * @param map - The mapping function.
+   * @param reduce - The reduce function.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  mapReduce<TKey = any, TValue = any>(
+    map: string | MapFunction<TSchema>,
+    reduce: string | ReduceFunction<TKey, TValue>
+  ): Promise<Document | Document[]>;
+  mapReduce<TKey = any, TValue = any>(
+    map: string | MapFunction<TSchema>,
+    reduce: string | ReduceFunction<TKey, TValue>,
+    callback: Callback<Document | Document[]>
+  ): void;
+  mapReduce<TKey = any, TValue = any>(
+    map: string | MapFunction<TSchema>,
+    reduce: string | ReduceFunction<TKey, TValue>,
+    options: MapReduceOptions<TKey, TValue>
+  ): Promise<Document | Document[]>;
+  mapReduce<TKey = any, TValue = any>(
+    map: string | MapFunction<TSchema>,
+    reduce: string | ReduceFunction<TKey, TValue>,
+    options: MapReduceOptions<TKey, TValue>,
+    callback: Callback<Document | Document[]>
+  ): void;
+  mapReduce<TKey = any, TValue = any>(
+    map: string | MapFunction<TSchema>,
+    reduce: string | ReduceFunction<TKey, TValue>,
+    options?: MapReduceOptions<TKey, TValue> | Callback<Document | Document[]>,
+    callback?: Callback<Document | Document[]>
+  ): Promise<Document | Document[]> | void {
+    emitWarningOnce(
+      'collection.mapReduce is deprecated. Use the aggregation pipeline instead. Visit https://docs.mongodb.com/manual/reference/map-reduce-to-aggregation-pipeline for more information on how to translate map-reduce operations to the aggregation pipeline.'
+    );
+    if ('function' === typeof options) (callback = options), (options = {});
+    // Out must always be defined (make sure we don't break weirdly on pre 1.8+ servers)
+    // TODO NODE-3339: Figure out if this is still necessary given we no longer officially support pre-1.8
+    if (options?.out == null) {
+      throw new MongoInvalidArgumentError(
+        'Option "out" must be defined, see mongodb docs for possible values'
+      );
+    }
+
+    if ('function' === typeof map) {
+      map = map.toString();
+    }
+
+    if ('function' === typeof reduce) {
+      reduce = reduce.toString();
+    }
+
+    if ('function' === typeof options.finalize) {
+      options.finalize = options.finalize.toString();
+    }
+
+    return executeOperation(
+      this.s.db.s.client,
+      new MapReduceOperation(
+        this as TODO_NODE_3286,
+        map,
+        reduce,
+        resolveOptions(this, options) as TODO_NODE_3286
+      ),
+      callback
+    );
+  }
+
+  /**
+   * Initiate an Out of order batch write operation. All operations will be buffered into insert/update/remove commands executed out of order.
+   *
+   * @throws MongoNotConnectedError
+   * @remarks
+   * **NOTE:** MongoClient must be connected prior to calling this method due to a known limitation in this legacy implemenation.
+   * However, `collection.bulkWrite()` provides an equivalent API that does not require prior connecting.
+   */
+  initializeUnorderedBulkOp(options?: BulkWriteOptions): UnorderedBulkOperation {
+    return new UnorderedBulkOperation(this as TODO_NODE_3286, resolveOptions(this, options));
+  }
+
+  /**
+   * Initiate an In order bulk write operation. Operations will be serially executed in the order they are added, creating a new operation for each switch in types.
+   *
+   * @throws MongoNotConnectedError
+   * @remarks
+   * **NOTE:** MongoClient must be connected prior to calling this method due to a known limitation in this legacy implemenation.
+   * However, `collection.bulkWrite()` provides an equivalent API that does not require prior connecting.
+   */
+  initializeOrderedBulkOp(options?: BulkWriteOptions): OrderedBulkOperation {
+    return new OrderedBulkOperation(this as TODO_NODE_3286, resolveOptions(this, options));
+  }
+
+  /** Get the db scoped logger */
+  getLogger(): Logger {
+    return this.s.db.s.logger;
+  }
+
+  get logger(): Logger {
+    return this.s.db.s.logger;
+  }
+
+  /**
+   * Inserts a single document or a an array of documents into MongoDB. If documents passed in do not contain the **_id** field,
+   * one will be added to each of the documents missing it by the driver, mutating the document. This behavior
+   * can be overridden by setting the **forceServerObjectId** flag.
+   *
+   * @deprecated Use insertOne, insertMany or bulkWrite instead.
+   * @param docs - The documents to insert
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  insert(
+    docs: OptionalUnlessRequiredId<TSchema>[],
+    options: BulkWriteOptions,
+    callback: Callback<InsertManyResult<TSchema>>
+  ): Promise<InsertManyResult<TSchema>> | void {
+    emitWarningOnce(
+      'collection.insert is deprecated. Use insertOne, insertMany or bulkWrite instead.'
+    );
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options || { ordered: false };
+    docs = !Array.isArray(docs) ? [docs] : docs;
+
+    if (options.keepGoing === true) {
+      options.ordered = false;
+    }
+
+    return this.insertMany(docs, options, callback);
+  }
+
+  /**
+   * Updates documents.
+   *
+   * @deprecated use updateOne, updateMany or bulkWrite
+   * @param filter - The filter for the update operation.
+   * @param update - The update operations to be applied to the documents
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  update(
+    filter: Filter<TSchema>,
+    update: UpdateFilter<TSchema>,
+    options: UpdateOptions,
+    callback: Callback<Document>
+  ): Promise<UpdateResult> | void {
+    emitWarningOnce(
+      'collection.update is deprecated. Use updateOne, updateMany, or bulkWrite instead.'
+    );
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return this.updateMany(filter, update, options, callback);
+  }
+
+  /**
+   * Remove documents.
+   *
+   * @deprecated use deleteOne, deleteMany or bulkWrite
+   * @param filter - The filter for the remove operation.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  remove(
+    filter: Filter<TSchema>,
+    options: DeleteOptions,
+    callback: Callback
+  ): Promise<DeleteResult> | void {
+    emitWarningOnce(
+      'collection.remove is deprecated. Use deleteOne, deleteMany, or bulkWrite instead.'
+    );
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return this.deleteMany(filter, options, callback);
+  }
+
+  /**
+   * An estimated count of matching documents in the db to a filter.
+   *
+   * **NOTE:** This method has been deprecated, since it does not provide an accurate count of the documents
+   * in a collection. To obtain an accurate count of documents in the collection, use {@link Collection#countDocuments| countDocuments}.
+   * To obtain an estimated count of all documents in the collection, use {@link Collection#estimatedDocumentCount| estimatedDocumentCount}.
+   *
+   * @deprecated use {@link Collection#countDocuments| countDocuments} or {@link Collection#estimatedDocumentCount| estimatedDocumentCount} instead
+   *
+   * @param filter - The filter for the count.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  count(): Promise<number>;
+  count(callback: Callback<number>): void;
+  count(filter: Filter<TSchema>): Promise<number>;
+  count(filter: Filter<TSchema>, callback: Callback<number>): void;
+  count(filter: Filter<TSchema>, options: CountOptions): Promise<number>;
+  count(
+    filter: Filter<TSchema>,
+    options: CountOptions,
+    callback: Callback<number>
+  ): Promise<number> | void;
+  count(
+    filter?: Filter<TSchema> | CountOptions | Callback<number>,
+    options?: CountOptions | Callback<number>,
+    callback?: Callback<number>
+  ): Promise<number> | void {
+    if (typeof filter === 'function') {
+      (callback = filter), (filter = {}), (options = {});
+    } else {
+      if (typeof options === 'function') (callback = options), (options = {});
+    }
+
+    filter ??= {};
+    return executeOperation(
+      this.s.db.s.client,
+      new CountOperation(
+        MongoDBNamespace.fromString(this.namespace),
+        filter,
+        resolveOptions(this, options)
+      ),
+      callback
+    );
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/connection_string.ts b/node_modules/mongoose/node_modules/mongodb/src/connection_string.ts
new file mode 100644
index 000000000..4aefe33d6
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/connection_string.ts
@@ -0,0 +1,1267 @@
+import * as dns from 'dns';
+import * as fs from 'fs';
+import ConnectionString from 'mongodb-connection-string-url';
+import { URLSearchParams } from 'url';
+
+import type { Document } from './bson';
+import { MongoCredentials } from './cmap/auth/mongo_credentials';
+import { AUTH_MECHS_AUTH_SRC_EXTERNAL, AuthMechanism } from './cmap/auth/providers';
+import { Compressor, CompressorName } from './cmap/wire_protocol/compression';
+import { Encrypter } from './encrypter';
+import { MongoAPIError, MongoInvalidArgumentError, MongoParseError } from './error';
+import { Logger, LoggerLevel } from './logger';
+import {
+  DriverInfo,
+  MongoClient,
+  MongoClientOptions,
+  MongoOptions,
+  PkFactory,
+  ServerApi,
+  ServerApiVersion
+} from './mongo_client';
+import { PromiseProvider } from './promise_provider';
+import { ReadConcern, ReadConcernLevel } from './read_concern';
+import { ReadPreference, ReadPreferenceMode } from './read_preference';
+import type { TagSet } from './sdam/server_description';
+import {
+  AnyOptions,
+  Callback,
+  DEFAULT_PK_FACTORY,
+  emitWarning,
+  emitWarningOnce,
+  HostAddress,
+  isRecord,
+  makeClientMetadata,
+  setDifference
+} from './utils';
+import { W, WriteConcern } from './write_concern';
+
+const VALID_TXT_RECORDS = ['authSource', 'replicaSet', 'loadBalanced'];
+
+const LB_SINGLE_HOST_ERROR = 'loadBalanced option only supported with a single host in the URI';
+const LB_REPLICA_SET_ERROR = 'loadBalanced option not supported with a replicaSet option';
+const LB_DIRECT_CONNECTION_ERROR =
+  'loadBalanced option not supported when directConnection is provided';
+
+/**
+ * Determines whether a provided address matches the provided parent domain in order
+ * to avoid certain attack vectors.
+ *
+ * @param srvAddress - The address to check against a domain
+ * @param parentDomain - The domain to check the provided address against
+ * @returns Whether the provided address matches the parent domain
+ */
+function matchesParentDomain(srvAddress: string, parentDomain: string): boolean {
+  const regex = /^.*?\./;
+  const srv = `.${srvAddress.replace(regex, '')}`;
+  const parent = `.${parentDomain.replace(regex, '')}`;
+  return srv.endsWith(parent);
+}
+
+/**
+ * Lookup a `mongodb+srv` connection string, combine the parts and reparse it as a normal
+ * connection string.
+ *
+ * @param uri - The connection string to parse
+ * @param options - Optional user provided connection string options
+ */
+export function resolveSRVRecord(options: MongoOptions, callback: Callback<HostAddress[]>): void {
+  if (typeof options.srvHost !== 'string') {
+    return callback(new MongoAPIError('Option "srvHost" must not be empty'));
+  }
+
+  if (options.srvHost.split('.').length < 3) {
+    // TODO(NODE-3484): Replace with MongoConnectionStringError
+    return callback(new MongoAPIError('URI must include hostname, domain name, and tld'));
+  }
+
+  // Resolve the SRV record and use the result as the list of hosts to connect to.
+  const lookupAddress = options.srvHost;
+  dns.resolveSrv(`_${options.srvServiceName}._tcp.${lookupAddress}`, (err, addresses) => {
+    if (err) return callback(err);
+
+    if (addresses.length === 0) {
+      return callback(new MongoAPIError('No addresses found at host'));
+    }
+
+    for (const { name } of addresses) {
+      if (!matchesParentDomain(name, lookupAddress)) {
+        return callback(new MongoAPIError('Server record does not share hostname with parent URI'));
+      }
+    }
+
+    const hostAddresses = addresses.map(r =>
+      HostAddress.fromString(`${r.name}:${r.port ?? 27017}`)
+    );
+
+    const lbError = validateLoadBalancedOptions(hostAddresses, options, true);
+    if (lbError) {
+      return callback(lbError);
+    }
+
+    // Resolve TXT record and add options from there if they exist.
+    dns.resolveTxt(lookupAddress, (err, record) => {
+      if (err) {
+        if (err.code !== 'ENODATA' && err.code !== 'ENOTFOUND') {
+          return callback(err);
+        }
+      } else {
+        if (record.length > 1) {
+          return callback(new MongoParseError('Multiple text records not allowed'));
+        }
+
+        const txtRecordOptions = new URLSearchParams(record[0].join(''));
+        const txtRecordOptionKeys = [...txtRecordOptions.keys()];
+        if (txtRecordOptionKeys.some(key => !VALID_TXT_RECORDS.includes(key))) {
+          return callback(
+            new MongoParseError(`Text record may only set any of: ${VALID_TXT_RECORDS.join(', ')}`)
+          );
+        }
+
+        if (VALID_TXT_RECORDS.some(option => txtRecordOptions.get(option) === '')) {
+          return callback(new MongoParseError('Cannot have empty URI params in DNS TXT Record'));
+        }
+
+        const source = txtRecordOptions.get('authSource') ?? undefined;
+        const replicaSet = txtRecordOptions.get('replicaSet') ?? undefined;
+        const loadBalanced = txtRecordOptions.get('loadBalanced') ?? undefined;
+
+        if (
+          !options.userSpecifiedAuthSource &&
+          source &&
+          options.credentials &&
+          !AUTH_MECHS_AUTH_SRC_EXTERNAL.has(options.credentials.mechanism)
+        ) {
+          options.credentials = MongoCredentials.merge(options.credentials, { source });
+        }
+
+        if (!options.userSpecifiedReplicaSet && replicaSet) {
+          options.replicaSet = replicaSet;
+        }
+
+        if (loadBalanced === 'true') {
+          options.loadBalanced = true;
+        }
+
+        if (options.replicaSet && options.srvMaxHosts > 0) {
+          return callback(new MongoParseError('Cannot combine replicaSet option with srvMaxHosts'));
+        }
+
+        const lbError = validateLoadBalancedOptions(hostAddresses, options, true);
+        if (lbError) {
+          return callback(lbError);
+        }
+      }
+
+      callback(undefined, hostAddresses);
+    });
+  });
+}
+
+/**
+ * Checks if TLS options are valid
+ *
+ * @param options - The options used for options parsing
+ * @throws MongoParseError if TLS options are invalid
+ */
+export function checkTLSOptions(options: AnyOptions): void {
+  if (!options) return;
+  const check = (a: string, b: string) => {
+    if (Reflect.has(options, a) && Reflect.has(options, b)) {
+      throw new MongoParseError(`The '${a}' option cannot be used with '${b}'`);
+    }
+  };
+  check('tlsInsecure', 'tlsAllowInvalidCertificates');
+  check('tlsInsecure', 'tlsAllowInvalidHostnames');
+  check('tlsInsecure', 'tlsDisableCertificateRevocationCheck');
+  check('tlsInsecure', 'tlsDisableOCSPEndpointCheck');
+  check('tlsAllowInvalidCertificates', 'tlsDisableCertificateRevocationCheck');
+  check('tlsAllowInvalidCertificates', 'tlsDisableOCSPEndpointCheck');
+  check('tlsDisableCertificateRevocationCheck', 'tlsDisableOCSPEndpointCheck');
+}
+
+const TRUTHS = new Set(['true', 't', '1', 'y', 'yes']);
+const FALSEHOODS = new Set(['false', 'f', '0', 'n', 'no', '-1']);
+function getBoolean(name: string, value: unknown): boolean {
+  if (typeof value === 'boolean') return value;
+  const valueString = String(value).toLowerCase();
+  if (TRUTHS.has(valueString)) {
+    if (valueString !== 'true') {
+      emitWarningOnce(
+        `deprecated value for ${name} : ${valueString} - please update to ${name} : true instead`
+      );
+    }
+    return true;
+  }
+  if (FALSEHOODS.has(valueString)) {
+    if (valueString !== 'false') {
+      emitWarningOnce(
+        `deprecated value for ${name} : ${valueString} - please update to ${name} : false instead`
+      );
+    }
+    return false;
+  }
+  throw new MongoParseError(`Expected ${name} to be stringified boolean value, got: ${value}`);
+}
+
+function getInt(name: string, value: unknown): number {
+  if (typeof value === 'number') return Math.trunc(value);
+  const parsedValue = Number.parseInt(String(value), 10);
+  if (!Number.isNaN(parsedValue)) return parsedValue;
+  throw new MongoParseError(`Expected ${name} to be stringified int value, got: ${value}`);
+}
+
+function getUint(name: string, value: unknown): number {
+  const parsedValue = getInt(name, value);
+  if (parsedValue < 0) {
+    throw new MongoParseError(`${name} can only be a positive int value, got: ${value}`);
+  }
+  return parsedValue;
+}
+
+function* entriesFromString(value: string): Generator<[string, string]> {
+  const keyValuePairs = value.split(',');
+  for (const keyValue of keyValuePairs) {
+    const [key, value] = keyValue.split(':');
+    if (value == null) {
+      throw new MongoParseError('Cannot have undefined values in key value pairs');
+    }
+
+    yield [key, value];
+  }
+}
+
+class CaseInsensitiveMap<Value = any> extends Map<string, Value> {
+  constructor(entries: Array<[string, any]> = []) {
+    super(entries.map(([k, v]) => [k.toLowerCase(), v]));
+  }
+  override has(k: string) {
+    return super.has(k.toLowerCase());
+  }
+  override get(k: string) {
+    return super.get(k.toLowerCase());
+  }
+  override set(k: string, v: any) {
+    return super.set(k.toLowerCase(), v);
+  }
+  override delete(k: string): boolean {
+    return super.delete(k.toLowerCase());
+  }
+}
+
+export function parseOptions(
+  uri: string,
+  mongoClient: MongoClient | MongoClientOptions | undefined = undefined,
+  options: MongoClientOptions = {}
+): MongoOptions {
+  if (mongoClient != null && !(mongoClient instanceof MongoClient)) {
+    options = mongoClient;
+    mongoClient = undefined;
+  }
+
+  const url = new ConnectionString(uri);
+  const { hosts, isSRV } = url;
+
+  const mongoOptions = Object.create(null);
+
+  // Feature flags
+  for (const flag of Object.getOwnPropertySymbols(options)) {
+    if (FEATURE_FLAGS.has(flag)) {
+      mongoOptions[flag] = options[flag];
+    }
+  }
+
+  mongoOptions.hosts = isSRV ? [] : hosts.map(HostAddress.fromString);
+
+  const urlOptions = new CaseInsensitiveMap<any[]>();
+
+  if (url.pathname !== '/' && url.pathname !== '') {
+    const dbName = decodeURIComponent(
+      url.pathname[0] === '/' ? url.pathname.slice(1) : url.pathname
+    );
+    if (dbName) {
+      urlOptions.set('dbName', [dbName]);
+    }
+  }
+
+  if (url.username !== '') {
+    const auth: Document = {
+      username: decodeURIComponent(url.username)
+    };
+
+    if (typeof url.password === 'string') {
+      auth.password = decodeURIComponent(url.password);
+    }
+
+    urlOptions.set('auth', [auth]);
+  }
+
+  for (const key of url.searchParams.keys()) {
+    const values = [...url.searchParams.getAll(key)];
+
+    if (values.includes('')) {
+      throw new MongoAPIError('URI cannot contain options with no value');
+    }
+
+    if (!urlOptions.has(key)) {
+      urlOptions.set(key, values);
+    }
+  }
+
+  const objectOptions = new CaseInsensitiveMap(
+    Object.entries(options).filter(([, v]) => v != null)
+  );
+
+  // Validate options that can only be provided by one of uri or object
+
+  if (urlOptions.has('serverApi')) {
+    throw new MongoParseError(
+      'URI cannot contain `serverApi`, it can only be passed to the client'
+    );
+  }
+
+  if (objectOptions.has('loadBalanced')) {
+    throw new MongoParseError('loadBalanced is only a valid option in the URI');
+  }
+
+  // All option collection
+
+  const allOptions = new CaseInsensitiveMap();
+
+  const allKeys = new Set<string>([
+    ...urlOptions.keys(),
+    ...objectOptions.keys(),
+    ...DEFAULT_OPTIONS.keys()
+  ]);
+
+  for (const key of allKeys) {
+    const values = [];
+    const objectOptionValue = objectOptions.get(key);
+    if (objectOptionValue != null) {
+      values.push(objectOptionValue);
+    }
+    const urlValue = urlOptions.get(key);
+    if (urlValue != null) {
+      values.push(...urlValue);
+    }
+    const defaultOptionsValue = DEFAULT_OPTIONS.get(key);
+    if (defaultOptionsValue != null) {
+      values.push(defaultOptionsValue);
+    }
+    allOptions.set(key, values);
+  }
+
+  if (allOptions.has('tlsCertificateKeyFile') && !allOptions.has('tlsCertificateFile')) {
+    allOptions.set('tlsCertificateFile', allOptions.get('tlsCertificateKeyFile'));
+  }
+
+  if (allOptions.has('tls') || allOptions.has('ssl')) {
+    const tlsAndSslOpts = (allOptions.get('tls') || [])
+      .concat(allOptions.get('ssl') || [])
+      .map(getBoolean.bind(null, 'tls/ssl'));
+    if (new Set(tlsAndSslOpts).size !== 1) {
+      throw new MongoParseError('All values of tls/ssl must be the same.');
+    }
+  }
+
+  const unsupportedOptions = setDifference(
+    allKeys,
+    Array.from(Object.keys(OPTIONS)).map(s => s.toLowerCase())
+  );
+  if (unsupportedOptions.size !== 0) {
+    const optionWord = unsupportedOptions.size > 1 ? 'options' : 'option';
+    const isOrAre = unsupportedOptions.size > 1 ? 'are' : 'is';
+    throw new MongoParseError(
+      `${optionWord} ${Array.from(unsupportedOptions).join(', ')} ${isOrAre} not supported`
+    );
+  }
+
+  // Option parsing and setting
+
+  for (const [key, descriptor] of Object.entries(OPTIONS)) {
+    const values = allOptions.get(key);
+    if (!values || values.length === 0) continue;
+    setOption(mongoOptions, key, descriptor, values);
+  }
+
+  if (mongoOptions.credentials) {
+    const isGssapi = mongoOptions.credentials.mechanism === AuthMechanism.MONGODB_GSSAPI;
+    const isX509 = mongoOptions.credentials.mechanism === AuthMechanism.MONGODB_X509;
+    const isAws = mongoOptions.credentials.mechanism === AuthMechanism.MONGODB_AWS;
+    if (
+      (isGssapi || isX509) &&
+      allOptions.has('authSource') &&
+      mongoOptions.credentials.source !== '$external'
+    ) {
+      // If authSource was explicitly given and its incorrect, we error
+      throw new MongoParseError(
+        `${mongoOptions.credentials} can only have authSource set to '$external'`
+      );
+    }
+
+    if (!(isGssapi || isX509 || isAws) && mongoOptions.dbName && !allOptions.has('authSource')) {
+      // inherit the dbName unless GSSAPI or X509, then silently ignore dbName
+      // and there was no specific authSource given
+      mongoOptions.credentials = MongoCredentials.merge(mongoOptions.credentials, {
+        source: mongoOptions.dbName
+      });
+    }
+
+    mongoOptions.credentials.validate();
+
+    // Check if the only auth related option provided was authSource, if so we can remove credentials
+    if (
+      mongoOptions.credentials.password === '' &&
+      mongoOptions.credentials.username === '' &&
+      mongoOptions.credentials.mechanism === AuthMechanism.MONGODB_DEFAULT &&
+      Object.keys(mongoOptions.credentials.mechanismProperties).length === 0
+    ) {
+      delete mongoOptions.credentials;
+    }
+  }
+
+  if (!mongoOptions.dbName) {
+    // dbName default is applied here because of the credential validation above
+    mongoOptions.dbName = 'test';
+  }
+
+  checkTLSOptions(mongoOptions);
+
+  if (options.promiseLibrary) PromiseProvider.set(options.promiseLibrary);
+
+  const lbError = validateLoadBalancedOptions(hosts, mongoOptions, isSRV);
+  if (lbError) {
+    throw lbError;
+  }
+  if (mongoClient && mongoOptions.autoEncryption) {
+    Encrypter.checkForMongoCrypt();
+    mongoOptions.encrypter = new Encrypter(mongoClient, uri, options);
+    mongoOptions.autoEncrypter = mongoOptions.encrypter.autoEncrypter;
+  }
+
+  // Potential SRV Overrides and SRV connection string validations
+
+  mongoOptions.userSpecifiedAuthSource =
+    objectOptions.has('authSource') || urlOptions.has('authSource');
+  mongoOptions.userSpecifiedReplicaSet =
+    objectOptions.has('replicaSet') || urlOptions.has('replicaSet');
+
+  if (isSRV) {
+    // SRV Record is resolved upon connecting
+    mongoOptions.srvHost = hosts[0];
+
+    if (mongoOptions.directConnection) {
+      throw new MongoAPIError('SRV URI does not support directConnection');
+    }
+
+    if (mongoOptions.srvMaxHosts > 0 && typeof mongoOptions.replicaSet === 'string') {
+      throw new MongoParseError('Cannot use srvMaxHosts option with replicaSet');
+    }
+
+    // SRV turns on TLS by default, but users can override and turn it off
+    const noUserSpecifiedTLS = !objectOptions.has('tls') && !urlOptions.has('tls');
+    const noUserSpecifiedSSL = !objectOptions.has('ssl') && !urlOptions.has('ssl');
+    if (noUserSpecifiedTLS && noUserSpecifiedSSL) {
+      mongoOptions.tls = true;
+    }
+  } else {
+    const userSpecifiedSrvOptions =
+      urlOptions.has('srvMaxHosts') ||
+      objectOptions.has('srvMaxHosts') ||
+      urlOptions.has('srvServiceName') ||
+      objectOptions.has('srvServiceName');
+
+    if (userSpecifiedSrvOptions) {
+      throw new MongoParseError(
+        'Cannot use srvMaxHosts or srvServiceName with a non-srv connection string'
+      );
+    }
+  }
+
+  if (mongoOptions.directConnection && mongoOptions.hosts.length !== 1) {
+    throw new MongoParseError('directConnection option requires exactly one host');
+  }
+
+  if (
+    !mongoOptions.proxyHost &&
+    (mongoOptions.proxyPort || mongoOptions.proxyUsername || mongoOptions.proxyPassword)
+  ) {
+    throw new MongoParseError('Must specify proxyHost if other proxy options are passed');
+  }
+
+  if (
+    (mongoOptions.proxyUsername && !mongoOptions.proxyPassword) ||
+    (!mongoOptions.proxyUsername && mongoOptions.proxyPassword)
+  ) {
+    throw new MongoParseError('Can only specify both of proxy username/password or neither');
+  }
+
+  const proxyOptions = ['proxyHost', 'proxyPort', 'proxyUsername', 'proxyPassword'].map(
+    key => urlOptions.get(key) ?? []
+  );
+
+  if (proxyOptions.some(options => options.length > 1)) {
+    throw new MongoParseError(
+      'Proxy options cannot be specified multiple times in the connection string'
+    );
+  }
+
+  return mongoOptions;
+}
+
+function validateLoadBalancedOptions(
+  hosts: HostAddress[] | string[],
+  mongoOptions: MongoOptions,
+  isSrv: boolean
+): MongoParseError | undefined {
+  if (mongoOptions.loadBalanced) {
+    if (hosts.length > 1) {
+      return new MongoParseError(LB_SINGLE_HOST_ERROR);
+    }
+    if (mongoOptions.replicaSet) {
+      return new MongoParseError(LB_REPLICA_SET_ERROR);
+    }
+    if (mongoOptions.directConnection) {
+      return new MongoParseError(LB_DIRECT_CONNECTION_ERROR);
+    }
+
+    if (isSrv && mongoOptions.srvMaxHosts > 0) {
+      return new MongoParseError('Cannot limit srv hosts with loadBalanced enabled');
+    }
+  }
+  return;
+}
+
+function setOption(
+  mongoOptions: any,
+  key: string,
+  descriptor: OptionDescriptor,
+  values: unknown[]
+) {
+  const { target, type, transform, deprecated } = descriptor;
+  const name = target ?? key;
+
+  if (deprecated) {
+    const deprecatedMsg = typeof deprecated === 'string' ? `: ${deprecated}` : '';
+    emitWarning(`${key} is a deprecated option${deprecatedMsg}`);
+  }
+
+  switch (type) {
+    case 'boolean':
+      mongoOptions[name] = getBoolean(name, values[0]);
+      break;
+    case 'int':
+      mongoOptions[name] = getInt(name, values[0]);
+      break;
+    case 'uint':
+      mongoOptions[name] = getUint(name, values[0]);
+      break;
+    case 'string':
+      if (values[0] == null) {
+        break;
+      }
+      mongoOptions[name] = String(values[0]);
+      break;
+    case 'record':
+      if (!isRecord(values[0])) {
+        throw new MongoParseError(`${name} must be an object`);
+      }
+      mongoOptions[name] = values[0];
+      break;
+    case 'any':
+      mongoOptions[name] = values[0];
+      break;
+    default: {
+      if (!transform) {
+        throw new MongoParseError('Descriptors missing a type must define a transform');
+      }
+      const transformValue = transform({ name, options: mongoOptions, values });
+      mongoOptions[name] = transformValue;
+      break;
+    }
+  }
+}
+
+interface OptionDescriptor {
+  target?: string;
+  type?: 'boolean' | 'int' | 'uint' | 'record' | 'string' | 'any';
+  default?: any;
+
+  deprecated?: boolean | string;
+  /**
+   * @param name - the original option name
+   * @param options - the options so far for resolution
+   * @param values - the possible values in precedence order
+   */
+  transform?: (args: { name: string; options: MongoOptions; values: unknown[] }) => unknown;
+}
+
+export const OPTIONS = {
+  appName: {
+    target: 'metadata',
+    transform({ options, values: [value] }): DriverInfo {
+      return makeClientMetadata({ ...options.driverInfo, appName: String(value) });
+    }
+  },
+  auth: {
+    target: 'credentials',
+    transform({ name, options, values: [value] }): MongoCredentials {
+      if (!isRecord(value, ['username', 'password'] as const)) {
+        throw new MongoParseError(
+          `${name} must be an object with 'username' and 'password' properties`
+        );
+      }
+      return MongoCredentials.merge(options.credentials, {
+        username: value.username,
+        password: value.password
+      });
+    }
+  },
+  authMechanism: {
+    target: 'credentials',
+    transform({ options, values: [value] }): MongoCredentials {
+      const mechanisms = Object.values(AuthMechanism);
+      const [mechanism] = mechanisms.filter(m => m.match(RegExp(String.raw`\b${value}\b`, 'i')));
+      if (!mechanism) {
+        throw new MongoParseError(`authMechanism one of ${mechanisms}, got ${value}`);
+      }
+      let source = options.credentials?.source;
+      if (
+        mechanism === AuthMechanism.MONGODB_PLAIN ||
+        AUTH_MECHS_AUTH_SRC_EXTERNAL.has(mechanism)
+      ) {
+        // some mechanisms have '$external' as the Auth Source
+        source = '$external';
+      }
+
+      let password = options.credentials?.password;
+      if (mechanism === AuthMechanism.MONGODB_X509 && password === '') {
+        password = undefined;
+      }
+      return MongoCredentials.merge(options.credentials, {
+        mechanism,
+        source,
+        password
+      });
+    }
+  },
+  authMechanismProperties: {
+    target: 'credentials',
+    transform({ options, values: [optionValue] }): MongoCredentials {
+      if (typeof optionValue === 'string') {
+        const mechanismProperties = Object.create(null);
+
+        for (const [key, value] of entriesFromString(optionValue)) {
+          try {
+            mechanismProperties[key] = getBoolean(key, value);
+          } catch {
+            mechanismProperties[key] = value;
+          }
+        }
+
+        return MongoCredentials.merge(options.credentials, {
+          mechanismProperties
+        });
+      }
+      if (!isRecord(optionValue)) {
+        throw new MongoParseError('AuthMechanismProperties must be an object');
+      }
+      return MongoCredentials.merge(options.credentials, { mechanismProperties: optionValue });
+    }
+  },
+  authSource: {
+    target: 'credentials',
+    transform({ options, values: [value] }): MongoCredentials {
+      const source = String(value);
+      return MongoCredentials.merge(options.credentials, { source });
+    }
+  },
+  autoEncryption: {
+    type: 'record'
+  },
+  bsonRegExp: {
+    type: 'boolean'
+  },
+  serverApi: {
+    target: 'serverApi',
+    transform({ values: [version] }): ServerApi {
+      const serverApiToValidate =
+        typeof version === 'string' ? ({ version } as ServerApi) : (version as ServerApi);
+      const versionToValidate = serverApiToValidate && serverApiToValidate.version;
+      if (!versionToValidate) {
+        throw new MongoParseError(
+          `Invalid \`serverApi\` property; must specify a version from the following enum: ["${Object.values(
+            ServerApiVersion
+          ).join('", "')}"]`
+        );
+      }
+      if (!Object.values(ServerApiVersion).some(v => v === versionToValidate)) {
+        throw new MongoParseError(
+          `Invalid server API version=${versionToValidate}; must be in the following enum: ["${Object.values(
+            ServerApiVersion
+          ).join('", "')}"]`
+        );
+      }
+      return serverApiToValidate;
+    }
+  },
+  checkKeys: {
+    type: 'boolean'
+  },
+  compressors: {
+    default: 'none',
+    target: 'compressors',
+    transform({ values }) {
+      const compressionList = new Set();
+      for (const compVal of values as (CompressorName[] | string)[]) {
+        const compValArray = typeof compVal === 'string' ? compVal.split(',') : compVal;
+        if (!Array.isArray(compValArray)) {
+          throw new MongoInvalidArgumentError(
+            'compressors must be an array or a comma-delimited list of strings'
+          );
+        }
+        for (const c of compValArray) {
+          if (Object.keys(Compressor).includes(String(c))) {
+            compressionList.add(String(c));
+          } else {
+            throw new MongoInvalidArgumentError(
+              `${c} is not a valid compression mechanism. Must be one of: ${Object.keys(
+                Compressor
+              )}.`
+            );
+          }
+        }
+      }
+      return [...compressionList];
+    }
+  },
+  connectTimeoutMS: {
+    default: 30000,
+    type: 'uint'
+  },
+  dbName: {
+    type: 'string'
+  },
+  directConnection: {
+    default: false,
+    type: 'boolean'
+  },
+  driverInfo: {
+    target: 'metadata',
+    default: makeClientMetadata(),
+    transform({ options, values: [value] }) {
+      if (!isRecord(value)) throw new MongoParseError('DriverInfo must be an object');
+      return makeClientMetadata({
+        driverInfo: value,
+        appName: options.metadata?.application?.name
+      });
+    }
+  },
+  enableUtf8Validation: { type: 'boolean', default: true },
+  family: {
+    transform({ name, values: [value] }): 4 | 6 {
+      const transformValue = getInt(name, value);
+      if (transformValue === 4 || transformValue === 6) {
+        return transformValue;
+      }
+      throw new MongoParseError(`Option 'family' must be 4 or 6 got ${transformValue}.`);
+    }
+  },
+  fieldsAsRaw: {
+    type: 'record'
+  },
+  forceServerObjectId: {
+    default: false,
+    type: 'boolean'
+  },
+  fsync: {
+    deprecated: 'Please use journal instead',
+    target: 'writeConcern',
+    transform({ name, options, values: [value] }): WriteConcern {
+      const wc = WriteConcern.fromOptions({
+        writeConcern: {
+          ...options.writeConcern,
+          fsync: getBoolean(name, value)
+        }
+      });
+      if (!wc) throw new MongoParseError(`Unable to make a writeConcern from fsync=${value}`);
+      return wc;
+    }
+  } as OptionDescriptor,
+  heartbeatFrequencyMS: {
+    default: 10000,
+    type: 'uint'
+  },
+  ignoreUndefined: {
+    type: 'boolean'
+  },
+  j: {
+    deprecated: 'Please use journal instead',
+    target: 'writeConcern',
+    transform({ name, options, values: [value] }): WriteConcern {
+      const wc = WriteConcern.fromOptions({
+        writeConcern: {
+          ...options.writeConcern,
+          journal: getBoolean(name, value)
+        }
+      });
+      if (!wc) throw new MongoParseError(`Unable to make a writeConcern from journal=${value}`);
+      return wc;
+    }
+  } as OptionDescriptor,
+  journal: {
+    target: 'writeConcern',
+    transform({ name, options, values: [value] }): WriteConcern {
+      const wc = WriteConcern.fromOptions({
+        writeConcern: {
+          ...options.writeConcern,
+          journal: getBoolean(name, value)
+        }
+      });
+      if (!wc) throw new MongoParseError(`Unable to make a writeConcern from journal=${value}`);
+      return wc;
+    }
+  },
+  keepAlive: {
+    default: true,
+    type: 'boolean'
+  },
+  keepAliveInitialDelay: {
+    default: 120000,
+    type: 'uint'
+  },
+  loadBalanced: {
+    default: false,
+    type: 'boolean'
+  },
+  localThresholdMS: {
+    default: 15,
+    type: 'uint'
+  },
+  logger: {
+    default: new Logger('MongoClient'),
+    transform({ values: [value] }) {
+      if (value instanceof Logger) {
+        return value;
+      }
+      emitWarning('Alternative loggers might not be supported');
+      // TODO: make Logger an interface that others can implement, make usage consistent in driver
+      // DRIVERS-1204
+      return;
+    }
+  },
+  loggerLevel: {
+    target: 'logger',
+    transform({ values: [value] }) {
+      return new Logger('MongoClient', { loggerLevel: value as LoggerLevel });
+    }
+  },
+  maxConnecting: {
+    default: 2,
+    transform({ name, values: [value] }): number {
+      const maxConnecting = getUint(name, value);
+      if (maxConnecting === 0) {
+        throw new MongoInvalidArgumentError('maxConnecting must be > 0 if specified');
+      }
+      return maxConnecting;
+    }
+  },
+  maxIdleTimeMS: {
+    default: 0,
+    type: 'uint'
+  },
+  maxPoolSize: {
+    default: 100,
+    type: 'uint'
+  },
+  maxStalenessSeconds: {
+    target: 'readPreference',
+    transform({ name, options, values: [value] }) {
+      const maxStalenessSeconds = getUint(name, value);
+      if (options.readPreference) {
+        return ReadPreference.fromOptions({
+          readPreference: { ...options.readPreference, maxStalenessSeconds }
+        });
+      } else {
+        return new ReadPreference('secondary', undefined, { maxStalenessSeconds });
+      }
+    }
+  },
+  minInternalBufferSize: {
+    type: 'uint'
+  },
+  minPoolSize: {
+    default: 0,
+    type: 'uint'
+  },
+  minHeartbeatFrequencyMS: {
+    default: 500,
+    type: 'uint'
+  },
+  monitorCommands: {
+    default: false,
+    type: 'boolean'
+  },
+  name: {
+    target: 'driverInfo',
+    transform({ values: [value], options }) {
+      return { ...options.driverInfo, name: String(value) };
+    }
+  } as OptionDescriptor,
+  noDelay: {
+    default: true,
+    type: 'boolean'
+  },
+  pkFactory: {
+    default: DEFAULT_PK_FACTORY,
+    transform({ values: [value] }): PkFactory {
+      if (isRecord(value, ['createPk'] as const) && typeof value.createPk === 'function') {
+        return value as PkFactory;
+      }
+      throw new MongoParseError(
+        `Option pkFactory must be an object with a createPk function, got ${value}`
+      );
+    }
+  },
+  promiseLibrary: {
+    deprecated: true,
+    type: 'any'
+  },
+  promoteBuffers: {
+    type: 'boolean'
+  },
+  promoteLongs: {
+    type: 'boolean'
+  },
+  promoteValues: {
+    type: 'boolean'
+  },
+  proxyHost: {
+    type: 'string'
+  },
+  proxyPassword: {
+    type: 'string'
+  },
+  proxyPort: {
+    type: 'uint'
+  },
+  proxyUsername: {
+    type: 'string'
+  },
+  raw: {
+    default: false,
+    type: 'boolean'
+  },
+  readConcern: {
+    transform({ values: [value], options }) {
+      if (value instanceof ReadConcern || isRecord(value, ['level'] as const)) {
+        return ReadConcern.fromOptions({ ...options.readConcern, ...value } as any);
+      }
+      throw new MongoParseError(`ReadConcern must be an object, got ${JSON.stringify(value)}`);
+    }
+  },
+  readConcernLevel: {
+    target: 'readConcern',
+    transform({ values: [level], options }) {
+      return ReadConcern.fromOptions({
+        ...options.readConcern,
+        level: level as ReadConcernLevel
+      });
+    }
+  },
+  readPreference: {
+    default: ReadPreference.primary,
+    transform({ values: [value], options }) {
+      if (value instanceof ReadPreference) {
+        return ReadPreference.fromOptions({
+          readPreference: { ...options.readPreference, ...value },
+          ...value
+        } as any);
+      }
+      if (isRecord(value, ['mode'] as const)) {
+        const rp = ReadPreference.fromOptions({
+          readPreference: { ...options.readPreference, ...value },
+          ...value
+        } as any);
+        if (rp) return rp;
+        else throw new MongoParseError(`Cannot make read preference from ${JSON.stringify(value)}`);
+      }
+      if (typeof value === 'string') {
+        const rpOpts = {
+          hedge: options.readPreference?.hedge,
+          maxStalenessSeconds: options.readPreference?.maxStalenessSeconds
+        };
+        return new ReadPreference(
+          value as ReadPreferenceMode,
+          options.readPreference?.tags,
+          rpOpts
+        );
+      }
+      throw new MongoParseError(`Unknown ReadPreference value: ${value}`);
+    }
+  },
+  readPreferenceTags: {
+    target: 'readPreference',
+    transform({
+      values,
+      options
+    }: {
+      values: Array<string | Record<string, string>[]>;
+      options: MongoClientOptions;
+    }) {
+      const tags: Array<string | Record<string, string>> = Array.isArray(values[0])
+        ? values[0]
+        : (values as Array<string>);
+      const readPreferenceTags = [];
+      for (const tag of tags) {
+        const readPreferenceTag: TagSet = Object.create(null);
+        if (typeof tag === 'string') {
+          for (const [k, v] of entriesFromString(tag)) {
+            readPreferenceTag[k] = v;
+          }
+        }
+        if (isRecord(tag)) {
+          for (const [k, v] of Object.entries(tag)) {
+            readPreferenceTag[k] = v;
+          }
+        }
+        readPreferenceTags.push(readPreferenceTag);
+      }
+      return ReadPreference.fromOptions({
+        readPreference: options.readPreference,
+        readPreferenceTags
+      });
+    }
+  },
+  replicaSet: {
+    type: 'string'
+  },
+  retryReads: {
+    default: true,
+    type: 'boolean'
+  },
+  retryWrites: {
+    default: true,
+    type: 'boolean'
+  },
+  serializeFunctions: {
+    type: 'boolean'
+  },
+  serverSelectionTimeoutMS: {
+    default: 30000,
+    type: 'uint'
+  },
+  servername: {
+    type: 'string'
+  },
+  socketTimeoutMS: {
+    default: 0,
+    type: 'uint'
+  },
+  srvMaxHosts: {
+    type: 'uint',
+    default: 0
+  },
+  srvServiceName: {
+    type: 'string',
+    default: 'mongodb'
+  },
+  ssl: {
+    target: 'tls',
+    type: 'boolean'
+  },
+  sslCA: {
+    target: 'ca',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  sslCRL: {
+    target: 'crl',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  sslCert: {
+    target: 'cert',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  sslKey: {
+    target: 'key',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  sslPass: {
+    deprecated: true,
+    target: 'passphrase',
+    type: 'string'
+  },
+  sslValidate: {
+    target: 'rejectUnauthorized',
+    type: 'boolean'
+  },
+  tls: {
+    type: 'boolean'
+  },
+  tlsAllowInvalidCertificates: {
+    target: 'rejectUnauthorized',
+    transform({ name, values: [value] }) {
+      // allowInvalidCertificates is the inverse of rejectUnauthorized
+      return !getBoolean(name, value);
+    }
+  },
+  tlsAllowInvalidHostnames: {
+    target: 'checkServerIdentity',
+    transform({ name, values: [value] }) {
+      // tlsAllowInvalidHostnames means setting the checkServerIdentity function to a noop
+      return getBoolean(name, value) ? () => undefined : undefined;
+    }
+  },
+  tlsCAFile: {
+    target: 'ca',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  tlsCertificateFile: {
+    target: 'cert',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  tlsCertificateKeyFile: {
+    target: 'key',
+    transform({ values: [value] }) {
+      return fs.readFileSync(String(value), { encoding: 'ascii' });
+    }
+  },
+  tlsCertificateKeyFilePassword: {
+    target: 'passphrase',
+    type: 'any'
+  },
+  tlsInsecure: {
+    transform({ name, options, values: [value] }) {
+      const tlsInsecure = getBoolean(name, value);
+      if (tlsInsecure) {
+        options.checkServerIdentity = () => undefined;
+        options.rejectUnauthorized = false;
+      } else {
+        options.checkServerIdentity = options.tlsAllowInvalidHostnames
+          ? () => undefined
+          : undefined;
+        options.rejectUnauthorized = options.tlsAllowInvalidCertificates ? false : true;
+      }
+      return tlsInsecure;
+    }
+  },
+  w: {
+    target: 'writeConcern',
+    transform({ values: [value], options }) {
+      return WriteConcern.fromOptions({ writeConcern: { ...options.writeConcern, w: value as W } });
+    }
+  },
+  waitQueueTimeoutMS: {
+    default: 0,
+    type: 'uint'
+  },
+  writeConcern: {
+    target: 'writeConcern',
+    transform({ values: [value], options }) {
+      if (isRecord(value) || value instanceof WriteConcern) {
+        return WriteConcern.fromOptions({
+          writeConcern: {
+            ...options.writeConcern,
+            ...value
+          }
+        });
+      } else if (value === 'majority' || typeof value === 'number') {
+        return WriteConcern.fromOptions({
+          writeConcern: {
+            ...options.writeConcern,
+            w: value
+          }
+        });
+      }
+
+      throw new MongoParseError(`Invalid WriteConcern cannot parse: ${JSON.stringify(value)}`);
+    }
+  },
+  wtimeout: {
+    deprecated: 'Please use wtimeoutMS instead',
+    target: 'writeConcern',
+    transform({ values: [value], options }) {
+      const wc = WriteConcern.fromOptions({
+        writeConcern: {
+          ...options.writeConcern,
+          wtimeout: getUint('wtimeout', value)
+        }
+      });
+      if (wc) return wc;
+      throw new MongoParseError(`Cannot make WriteConcern from wtimeout`);
+    }
+  } as OptionDescriptor,
+  wtimeoutMS: {
+    target: 'writeConcern',
+    transform({ values: [value], options }) {
+      const wc = WriteConcern.fromOptions({
+        writeConcern: {
+          ...options.writeConcern,
+          wtimeoutMS: getUint('wtimeoutMS', value)
+        }
+      });
+      if (wc) return wc;
+      throw new MongoParseError(`Cannot make WriteConcern from wtimeout`);
+    }
+  },
+  zlibCompressionLevel: {
+    default: 0,
+    type: 'int'
+  },
+  // Custom types for modifying core behavior
+  connectionType: { type: 'any' },
+  srvPoller: { type: 'any' },
+  // Accepted NodeJS Options
+  minDHSize: { type: 'any' },
+  pskCallback: { type: 'any' },
+  secureContext: { type: 'any' },
+  enableTrace: { type: 'any' },
+  requestCert: { type: 'any' },
+  rejectUnauthorized: { type: 'any' },
+  checkServerIdentity: { type: 'any' },
+  ALPNProtocols: { type: 'any' },
+  SNICallback: { type: 'any' },
+  session: { type: 'any' },
+  requestOCSP: { type: 'any' },
+  localAddress: { type: 'any' },
+  localPort: { type: 'any' },
+  hints: { type: 'any' },
+  lookup: { type: 'any' },
+  ca: { type: 'any' },
+  cert: { type: 'any' },
+  ciphers: { type: 'any' },
+  crl: { type: 'any' },
+  ecdhCurve: { type: 'any' },
+  key: { type: 'any' },
+  passphrase: { type: 'any' },
+  pfx: { type: 'any' },
+  secureProtocol: { type: 'any' },
+  index: { type: 'any' },
+  // Legacy Options, these are unused but left here to avoid errors with CSFLE lib
+  useNewUrlParser: { type: 'boolean' } as OptionDescriptor,
+  useUnifiedTopology: { type: 'boolean' } as OptionDescriptor
+} as Record<keyof MongoClientOptions, OptionDescriptor>;
+
+export const DEFAULT_OPTIONS = new CaseInsensitiveMap(
+  Object.entries(OPTIONS)
+    .filter(([, descriptor]) => descriptor.default != null)
+    .map(([k, d]) => [k, d.default])
+);
+
+/**
+ * Set of permitted feature flags
+ * @internal
+ */
+export const FEATURE_FLAGS = new Set([Symbol.for('@@mdb.skipPingOnConnect')]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/constants.ts b/node_modules/mongoose/node_modules/mongodb/src/constants.ts
new file mode 100644
index 000000000..2326e8d2c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/constants.ts
@@ -0,0 +1,134 @@
+export const SYSTEM_NAMESPACE_COLLECTION = 'system.namespaces';
+export const SYSTEM_INDEX_COLLECTION = 'system.indexes';
+export const SYSTEM_PROFILE_COLLECTION = 'system.profile';
+export const SYSTEM_USER_COLLECTION = 'system.users';
+export const SYSTEM_COMMAND_COLLECTION = '$cmd';
+export const SYSTEM_JS_COLLECTION = 'system.js';
+
+// events
+export const ERROR = 'error' as const;
+export const TIMEOUT = 'timeout' as const;
+export const CLOSE = 'close' as const;
+export const OPEN = 'open' as const;
+export const CONNECT = 'connect' as const;
+export const CLOSED = 'closed' as const;
+export const ENDED = 'ended' as const;
+export const MESSAGE = 'message' as const;
+export const PINNED = 'pinned' as const;
+export const UNPINNED = 'unpinned' as const;
+export const DESCRIPTION_RECEIVED = 'descriptionReceived';
+export const SERVER_OPENING = 'serverOpening' as const;
+export const SERVER_CLOSED = 'serverClosed' as const;
+export const SERVER_DESCRIPTION_CHANGED = 'serverDescriptionChanged' as const;
+export const TOPOLOGY_OPENING = 'topologyOpening' as const;
+export const TOPOLOGY_CLOSED = 'topologyClosed' as const;
+export const TOPOLOGY_DESCRIPTION_CHANGED = 'topologyDescriptionChanged' as const;
+export const CONNECTION_POOL_CREATED = 'connectionPoolCreated' as const;
+export const CONNECTION_POOL_CLOSED = 'connectionPoolClosed' as const;
+export const CONNECTION_POOL_CLEARED = 'connectionPoolCleared' as const;
+export const CONNECTION_CREATED = 'connectionCreated' as const;
+export const CONNECTION_READY = 'connectionReady' as const;
+export const CONNECTION_CLOSED = 'connectionClosed' as const;
+export const CONNECTION_CHECK_OUT_STARTED = 'connectionCheckOutStarted' as const;
+export const CONNECTION_CHECK_OUT_FAILED = 'connectionCheckOutFailed' as const;
+export const CONNECTION_CHECKED_OUT = 'connectionCheckedOut' as const;
+export const CONNECTION_CHECKED_IN = 'connectionCheckedIn' as const;
+export const CLUSTER_TIME_RECEIVED = 'clusterTimeReceived' as const;
+export const COMMAND_STARTED = 'commandStarted' as const;
+export const COMMAND_SUCCEEDED = 'commandSucceeded' as const;
+export const COMMAND_FAILED = 'commandFailed' as const;
+export const SERVER_HEARTBEAT_STARTED = 'serverHeartbeatStarted' as const;
+export const SERVER_HEARTBEAT_SUCCEEDED = 'serverHeartbeatSucceeded' as const;
+export const SERVER_HEARTBEAT_FAILED = 'serverHeartbeatFailed' as const;
+export const RESPONSE = 'response' as const;
+export const MORE = 'more' as const;
+export const INIT = 'init' as const;
+export const CHANGE = 'change' as const;
+export const END = 'end' as const;
+export const RESUME_TOKEN_CHANGED = 'resumeTokenChanged' as const;
+
+/** @public */
+export const HEARTBEAT_EVENTS = Object.freeze([
+  SERVER_HEARTBEAT_STARTED,
+  SERVER_HEARTBEAT_SUCCEEDED,
+  SERVER_HEARTBEAT_FAILED
+] as const);
+
+/** @public */
+export const CMAP_EVENTS = Object.freeze([
+  CONNECTION_POOL_CREATED,
+  CONNECTION_POOL_CLOSED,
+  CONNECTION_CREATED,
+  CONNECTION_READY,
+  CONNECTION_CLOSED,
+  CONNECTION_CHECK_OUT_STARTED,
+  CONNECTION_CHECK_OUT_FAILED,
+  CONNECTION_CHECKED_OUT,
+  CONNECTION_CHECKED_IN,
+  CONNECTION_POOL_CLEARED
+] as const);
+
+/** @public */
+export const TOPOLOGY_EVENTS = Object.freeze([
+  SERVER_OPENING,
+  SERVER_CLOSED,
+  SERVER_DESCRIPTION_CHANGED,
+  TOPOLOGY_OPENING,
+  TOPOLOGY_CLOSED,
+  TOPOLOGY_DESCRIPTION_CHANGED,
+  ERROR,
+  TIMEOUT,
+  CLOSE
+] as const);
+
+/** @public */
+export const APM_EVENTS = Object.freeze([
+  COMMAND_STARTED,
+  COMMAND_SUCCEEDED,
+  COMMAND_FAILED
+] as const);
+
+/**
+ * All events that we relay to the `Topology`
+ * @internal
+ */
+export const SERVER_RELAY_EVENTS = Object.freeze([
+  SERVER_HEARTBEAT_STARTED,
+  SERVER_HEARTBEAT_SUCCEEDED,
+  SERVER_HEARTBEAT_FAILED,
+  COMMAND_STARTED,
+  COMMAND_SUCCEEDED,
+  COMMAND_FAILED,
+  ...CMAP_EVENTS
+] as const);
+
+/**
+ * All events we listen to from `Server` instances, but do not forward to the client
+ * @internal
+ */
+export const LOCAL_SERVER_EVENTS = Object.freeze([
+  CONNECT,
+  DESCRIPTION_RECEIVED,
+  CLOSED,
+  ENDED
+] as const);
+
+/** @public */
+export const MONGO_CLIENT_EVENTS = Object.freeze([
+  ...CMAP_EVENTS,
+  ...APM_EVENTS,
+  ...TOPOLOGY_EVENTS,
+  ...HEARTBEAT_EVENTS
+] as const);
+
+/**
+ * @internal
+ * The legacy hello command that was deprecated in MongoDB 5.0.
+ */
+export const LEGACY_HELLO_COMMAND = 'ismaster';
+
+/**
+ * @internal
+ * The legacy hello command that was deprecated in MongoDB 5.0.
+ */
+export const LEGACY_HELLO_COMMAND_CAMEL_CASE = 'isMaster';
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cursor/abstract_cursor.ts b/node_modules/mongoose/node_modules/mongodb/src/cursor/abstract_cursor.ts
new file mode 100644
index 000000000..0323b9ffa
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cursor/abstract_cursor.ts
@@ -0,0 +1,931 @@
+import { Readable, Transform } from 'stream';
+
+import { BSONSerializeOptions, Document, Long, pluckBSONSerializeOptions } from '../bson';
+import {
+  AnyError,
+  MongoCursorExhaustedError,
+  MongoCursorInUseError,
+  MongoInvalidArgumentError,
+  MongoNetworkError,
+  MongoRuntimeError,
+  MongoTailableCursorError
+} from '../error';
+import type { MongoClient } from '../mongo_client';
+import { TODO_NODE_3286, TypedEventEmitter } from '../mongo_types';
+import { executeOperation, ExecutionResult } from '../operations/execute_operation';
+import { GetMoreOperation } from '../operations/get_more';
+import { KillCursorsOperation } from '../operations/kill_cursors';
+import { ReadConcern, ReadConcernLike } from '../read_concern';
+import { ReadPreference, ReadPreferenceLike } from '../read_preference';
+import type { Server } from '../sdam/server';
+import { ClientSession, maybeClearPinnedConnection } from '../sessions';
+import { Callback, maybePromise, MongoDBNamespace, ns } from '../utils';
+
+/** @internal */
+const kId = Symbol('id');
+/** @internal */
+const kDocuments = Symbol('documents');
+/** @internal */
+const kServer = Symbol('server');
+/** @internal */
+const kNamespace = Symbol('namespace');
+/** @internal */
+const kClient = Symbol('client');
+/** @internal */
+const kSession = Symbol('session');
+/** @internal */
+const kOptions = Symbol('options');
+/** @internal */
+const kTransform = Symbol('transform');
+/** @internal */
+const kInitialized = Symbol('initialized');
+/** @internal */
+const kClosed = Symbol('closed');
+/** @internal */
+const kKilled = Symbol('killed');
+/** @internal */
+const kInit = Symbol('kInit');
+
+/** @public */
+export const CURSOR_FLAGS = [
+  'tailable',
+  'oplogReplay',
+  'noCursorTimeout',
+  'awaitData',
+  'exhaust',
+  'partial'
+] as const;
+
+/** @public
+ * @deprecated This interface is deprecated */
+export interface CursorCloseOptions {
+  /** Bypass calling killCursors when closing the cursor. */
+  /** @deprecated  the skipKillCursors option is deprecated */
+  skipKillCursors?: boolean;
+}
+
+/** @public */
+export interface CursorStreamOptions {
+  /** A transformation method applied to each document emitted by the stream */
+  transform?(this: void, doc: Document): Document;
+}
+
+/** @public */
+export type CursorFlag = typeof CURSOR_FLAGS[number];
+
+/** @public */
+export interface AbstractCursorOptions extends BSONSerializeOptions {
+  session?: ClientSession;
+  readPreference?: ReadPreferenceLike;
+  readConcern?: ReadConcernLike;
+  /**
+   * Specifies the number of documents to return in each response from MongoDB
+   */
+  batchSize?: number;
+  /**
+   * When applicable `maxTimeMS` controls the amount of time the initial command
+   * that constructs a cursor should take. (ex. find, aggregate, listCollections)
+   */
+  maxTimeMS?: number;
+  /**
+   * When applicable `maxAwaitTimeMS` controls the amount of time subsequent getMores
+   * that a cursor uses to fetch more data should take. (ex. cursor.next())
+   */
+  maxAwaitTimeMS?: number;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions pre-4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+   */
+  comment?: unknown;
+  /**
+   * By default, MongoDB will automatically close a cursor when the
+   * client has exhausted all results in the cursor. However, for [capped collections](https://www.mongodb.com/docs/manual/core/capped-collections)
+   * you may use a Tailable Cursor that remains open after the client exhausts
+   * the results in the initial cursor.
+   */
+  tailable?: boolean;
+  /**
+   * If awaitData is set to true, when the cursor reaches the end of the capped collection,
+   * MongoDB blocks the query thread for a period of time waiting for new data to arrive.
+   * When new data is inserted into the capped collection, the blocked thread is signaled
+   * to wake up and return the next batch to the client.
+   */
+  awaitData?: boolean;
+  noCursorTimeout?: boolean;
+}
+
+/** @internal */
+export type InternalAbstractCursorOptions = Omit<AbstractCursorOptions, 'readPreference'> & {
+  // resolved
+  readPreference: ReadPreference;
+  readConcern?: ReadConcern;
+
+  // cursor flags, some are deprecated
+  oplogReplay?: boolean;
+  exhaust?: boolean;
+  partial?: boolean;
+};
+
+/** @public */
+export type AbstractCursorEvents = {
+  [AbstractCursor.CLOSE](): void;
+};
+
+/** @public */
+export abstract class AbstractCursor<
+  TSchema = any,
+  CursorEvents extends AbstractCursorEvents = AbstractCursorEvents
+> extends TypedEventEmitter<CursorEvents> {
+  /** @internal */
+  [kId]?: Long;
+  /** @internal */
+  [kSession]: ClientSession;
+  /** @internal */
+  [kServer]?: Server;
+  /** @internal */
+  [kNamespace]: MongoDBNamespace;
+  /** @internal */
+  [kDocuments]: TSchema[];
+  /** @internal */
+  [kClient]: MongoClient;
+  /** @internal */
+  [kTransform]?: (doc: TSchema) => any;
+  /** @internal */
+  [kInitialized]: boolean;
+  /** @internal */
+  [kClosed]: boolean;
+  /** @internal */
+  [kKilled]: boolean;
+  /** @internal */
+  [kOptions]: InternalAbstractCursorOptions;
+
+  /** @event */
+  static readonly CLOSE = 'close' as const;
+
+  /** @internal */
+  constructor(
+    client: MongoClient,
+    namespace: MongoDBNamespace,
+    options: AbstractCursorOptions = {}
+  ) {
+    super();
+
+    if (!client.s.isMongoClient) {
+      throw new MongoRuntimeError('Cursor must be constructed with MongoClient');
+    }
+    this[kClient] = client;
+    this[kNamespace] = namespace;
+    this[kDocuments] = [];
+    this[kInitialized] = false;
+    this[kClosed] = false;
+    this[kKilled] = false;
+    this[kOptions] = {
+      readPreference:
+        options.readPreference && options.readPreference instanceof ReadPreference
+          ? options.readPreference
+          : ReadPreference.primary,
+      ...pluckBSONSerializeOptions(options)
+    };
+
+    const readConcern = ReadConcern.fromOptions(options);
+    if (readConcern) {
+      this[kOptions].readConcern = readConcern;
+    }
+
+    if (typeof options.batchSize === 'number') {
+      this[kOptions].batchSize = options.batchSize;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      this[kOptions].comment = options.comment;
+    }
+
+    if (typeof options.maxTimeMS === 'number') {
+      this[kOptions].maxTimeMS = options.maxTimeMS;
+    }
+
+    if (typeof options.maxAwaitTimeMS === 'number') {
+      this[kOptions].maxAwaitTimeMS = options.maxAwaitTimeMS;
+    }
+
+    if (options.session instanceof ClientSession) {
+      this[kSession] = options.session;
+    } else {
+      this[kSession] = this[kClient].startSession({ owner: this, explicit: false });
+    }
+  }
+
+  get id(): Long | undefined {
+    return this[kId];
+  }
+
+  /** @internal */
+  get client(): MongoClient {
+    return this[kClient];
+  }
+
+  /** @internal */
+  get server(): Server | undefined {
+    return this[kServer];
+  }
+
+  get namespace(): MongoDBNamespace {
+    return this[kNamespace];
+  }
+
+  get readPreference(): ReadPreference {
+    return this[kOptions].readPreference;
+  }
+
+  get readConcern(): ReadConcern | undefined {
+    return this[kOptions].readConcern;
+  }
+
+  /** @internal */
+  get session(): ClientSession {
+    return this[kSession];
+  }
+
+  set session(clientSession: ClientSession) {
+    this[kSession] = clientSession;
+  }
+
+  /** @internal */
+  get cursorOptions(): InternalAbstractCursorOptions {
+    return this[kOptions];
+  }
+
+  get closed(): boolean {
+    return this[kClosed];
+  }
+
+  get killed(): boolean {
+    return this[kKilled];
+  }
+
+  get loadBalanced(): boolean {
+    return !!this[kClient].topology?.loadBalanced;
+  }
+
+  /** Returns current buffered documents length */
+  bufferedCount(): number {
+    return this[kDocuments].length;
+  }
+
+  /** Returns current buffered documents */
+  readBufferedDocuments(number?: number): TSchema[] {
+    return this[kDocuments].splice(0, number ?? this[kDocuments].length);
+  }
+
+  [Symbol.asyncIterator](): AsyncIterator<TSchema, void> {
+    return {
+      next: () =>
+        this.next().then(value =>
+          value != null ? { value, done: false } : { value: undefined, done: true }
+        )
+    };
+  }
+
+  stream(options?: CursorStreamOptions): Readable & AsyncIterable<TSchema> {
+    if (options?.transform) {
+      const transform = options.transform;
+      const readable = new ReadableCursorStream(this);
+
+      return readable.pipe(
+        new Transform({
+          objectMode: true,
+          highWaterMark: 1,
+          transform(chunk, _, callback) {
+            try {
+              const transformed = transform(chunk);
+              callback(undefined, transformed);
+            } catch (err) {
+              callback(err);
+            }
+          }
+        })
+      );
+    }
+
+    return new ReadableCursorStream(this);
+  }
+
+  hasNext(): Promise<boolean>;
+  hasNext(callback: Callback<boolean>): void;
+  hasNext(callback?: Callback<boolean>): Promise<boolean> | void {
+    return maybePromise(callback, done => {
+      if (this[kId] === Long.ZERO) {
+        return done(undefined, false);
+      }
+
+      if (this[kDocuments].length) {
+        return done(undefined, true);
+      }
+
+      next<TSchema>(this, true, (err, doc) => {
+        if (err) return done(err);
+
+        if (doc) {
+          this[kDocuments].unshift(doc);
+          done(undefined, true);
+          return;
+        }
+
+        done(undefined, false);
+      });
+    });
+  }
+
+  /** Get the next available document from the cursor, returns null if no more documents are available. */
+  next(): Promise<TSchema | null>;
+  next(callback: Callback<TSchema | null>): void;
+  next(callback?: Callback<TSchema | null>): Promise<TSchema | null> | void;
+  next(callback?: Callback<TSchema | null>): Promise<TSchema | null> | void {
+    return maybePromise(callback, done => {
+      if (this[kId] === Long.ZERO) {
+        return done(new MongoCursorExhaustedError());
+      }
+
+      next(this, true, done);
+    });
+  }
+
+  /**
+   * Try to get the next available document from the cursor or `null` if an empty batch is returned
+   */
+  tryNext(): Promise<TSchema | null>;
+  tryNext(callback: Callback<TSchema | null>): void;
+  tryNext(callback?: Callback<TSchema | null>): Promise<TSchema | null> | void {
+    return maybePromise(callback, done => {
+      if (this[kId] === Long.ZERO) {
+        return done(new MongoCursorExhaustedError());
+      }
+
+      next(this, false, done);
+    });
+  }
+
+  /**
+   * Iterates over all the documents for this cursor using the iterator, callback pattern.
+   *
+   * @param iterator - The iteration callback.
+   * @param callback - The end callback.
+   */
+  forEach(iterator: (doc: TSchema) => boolean | void): Promise<void>;
+  forEach(iterator: (doc: TSchema) => boolean | void, callback: Callback<void>): void;
+  forEach(
+    iterator: (doc: TSchema) => boolean | void,
+    callback?: Callback<void>
+  ): Promise<void> | void {
+    if (typeof iterator !== 'function') {
+      throw new MongoInvalidArgumentError('Argument "iterator" must be a function');
+    }
+    return maybePromise(callback, done => {
+      const transform = this[kTransform];
+      const fetchDocs = () => {
+        next<TSchema>(this, true, (err, doc) => {
+          if (err || doc == null) return done(err);
+          let result;
+          // NOTE: no need to transform because `next` will do this automatically
+          try {
+            result = iterator(doc); // TODO(NODE-3283): Improve transform typing
+          } catch (error) {
+            return done(error);
+          }
+
+          if (result === false) return done();
+
+          // these do need to be transformed since they are copying the rest of the batch
+          const internalDocs = this[kDocuments].splice(0, this[kDocuments].length);
+          for (let i = 0; i < internalDocs.length; ++i) {
+            try {
+              result = iterator(
+                (transform ? transform(internalDocs[i]) : internalDocs[i]) as TSchema // TODO(NODE-3283): Improve transform typing
+              );
+            } catch (error) {
+              return done(error);
+            }
+            if (result === false) return done();
+          }
+
+          fetchDocs();
+        });
+      };
+
+      fetchDocs();
+    });
+  }
+
+  close(): Promise<void>;
+  close(callback: Callback): void;
+  /**
+   * @deprecated options argument is deprecated
+   */
+  close(options: CursorCloseOptions): Promise<void>;
+  /**
+   * @deprecated options argument is deprecated
+   */
+  close(options: CursorCloseOptions, callback: Callback): void;
+  close(options?: CursorCloseOptions | Callback, callback?: Callback): Promise<void> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    const needsToEmitClosed = !this[kClosed];
+    this[kClosed] = true;
+
+    return maybePromise(callback, done => cleanupCursor(this, { needsToEmitClosed }, done));
+  }
+
+  /**
+   * Returns an array of documents. The caller is responsible for making sure that there
+   * is enough memory to store the results. Note that the array only contains partial
+   * results when this cursor had been previously accessed. In that case,
+   * cursor.rewind() can be used to reset the cursor.
+   *
+   * @param callback - The result callback.
+   */
+  toArray(): Promise<TSchema[]>;
+  toArray(callback: Callback<TSchema[]>): void;
+  toArray(callback?: Callback<TSchema[]>): Promise<TSchema[]> | void {
+    return maybePromise(callback, done => {
+      const docs: TSchema[] = [];
+      const transform = this[kTransform];
+      const fetchDocs = () => {
+        // NOTE: if we add a `nextBatch` then we should use it here
+        next<TSchema>(this, true, (err, doc) => {
+          if (err) return done(err);
+          if (doc == null) return done(undefined, docs);
+
+          // NOTE: no need to transform because `next` will do this automatically
+          docs.push(doc);
+
+          // these do need to be transformed since they are copying the rest of the batch
+          const internalDocs = (
+            transform
+              ? this[kDocuments].splice(0, this[kDocuments].length).map(transform)
+              : this[kDocuments].splice(0, this[kDocuments].length)
+          ) as TSchema[]; // TODO(NODE-3283): Improve transform typing
+
+          if (internalDocs) {
+            docs.push(...internalDocs);
+          }
+
+          fetchDocs();
+        });
+      };
+
+      fetchDocs();
+    });
+  }
+
+  /**
+   * Add a cursor flag to the cursor
+   *
+   * @param flag - The flag to set, must be one of following ['tailable', 'oplogReplay', 'noCursorTimeout', 'awaitData', 'partial' -.
+   * @param value - The flag boolean value.
+   */
+  addCursorFlag(flag: CursorFlag, value: boolean): this {
+    assertUninitialized(this);
+    if (!CURSOR_FLAGS.includes(flag)) {
+      throw new MongoInvalidArgumentError(`Flag ${flag} is not one of ${CURSOR_FLAGS}`);
+    }
+
+    if (typeof value !== 'boolean') {
+      throw new MongoInvalidArgumentError(`Flag ${flag} must be a boolean value`);
+    }
+
+    this[kOptions][flag] = value;
+    return this;
+  }
+
+  /**
+   * Map all documents using the provided function
+   * If there is a transform set on the cursor, that will be called first and the result passed to
+   * this function's transform.
+   *
+   * @remarks
+   * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+   * it **does not** return a new instance of a cursor. This means when calling map,
+   * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+   * Take note of the following example:
+   *
+   * @example
+   * ```typescript
+   * const cursor: FindCursor<Document> = coll.find();
+   * const mappedCursor: FindCursor<number> = cursor.map(doc => Object.keys(doc).length);
+   * const keyCounts: number[] = await mappedCursor.toArray(); // cursor.toArray() still returns Document[]
+   * ```
+   * @param transform - The mapping transformation method.
+   */
+  map<T = any>(transform: (doc: TSchema) => T): AbstractCursor<T> {
+    assertUninitialized(this);
+    const oldTransform = this[kTransform] as (doc: TSchema) => TSchema; // TODO(NODE-3283): Improve transform typing
+    if (oldTransform) {
+      this[kTransform] = doc => {
+        return transform(oldTransform(doc));
+      };
+    } else {
+      this[kTransform] = transform;
+    }
+
+    return this as unknown as AbstractCursor<T>;
+  }
+
+  /**
+   * Set the ReadPreference for the cursor.
+   *
+   * @param readPreference - The new read preference for the cursor.
+   */
+  withReadPreference(readPreference: ReadPreferenceLike): this {
+    assertUninitialized(this);
+    if (readPreference instanceof ReadPreference) {
+      this[kOptions].readPreference = readPreference;
+    } else if (typeof readPreference === 'string') {
+      this[kOptions].readPreference = ReadPreference.fromString(readPreference);
+    } else {
+      throw new MongoInvalidArgumentError(`Invalid read preference: ${readPreference}`);
+    }
+
+    return this;
+  }
+
+  /**
+   * Set the ReadPreference for the cursor.
+   *
+   * @param readPreference - The new read preference for the cursor.
+   */
+  withReadConcern(readConcern: ReadConcernLike): this {
+    assertUninitialized(this);
+    const resolvedReadConcern = ReadConcern.fromOptions({ readConcern });
+    if (resolvedReadConcern) {
+      this[kOptions].readConcern = resolvedReadConcern;
+    }
+
+    return this;
+  }
+
+  /**
+   * Set a maxTimeMS on the cursor query, allowing for hard timeout limits on queries (Only supported on MongoDB 2.6 or higher)
+   *
+   * @param value - Number of milliseconds to wait before aborting the query.
+   */
+  maxTimeMS(value: number): this {
+    assertUninitialized(this);
+    if (typeof value !== 'number') {
+      throw new MongoInvalidArgumentError('Argument for maxTimeMS must be a number');
+    }
+
+    this[kOptions].maxTimeMS = value;
+    return this;
+  }
+
+  /**
+   * Set the batch size for the cursor.
+   *
+   * @param value - The number of documents to return per batch. See {@link https://docs.mongodb.com/manual/reference/command/find/|find command documentation}.
+   */
+  batchSize(value: number): this {
+    assertUninitialized(this);
+    if (this[kOptions].tailable) {
+      throw new MongoTailableCursorError('Tailable cursor does not support batchSize');
+    }
+
+    if (typeof value !== 'number') {
+      throw new MongoInvalidArgumentError('Operation "batchSize" requires an integer');
+    }
+
+    this[kOptions].batchSize = value;
+    return this;
+  }
+
+  /**
+   * Rewind this cursor to its uninitialized state. Any options that are present on the cursor will
+   * remain in effect. Iterating this cursor will cause new queries to be sent to the server, even
+   * if the resultant data has already been retrieved by this cursor.
+   */
+  rewind(): void {
+    if (!this[kInitialized]) {
+      return;
+    }
+
+    this[kId] = undefined;
+    this[kDocuments] = [];
+    this[kClosed] = false;
+    this[kKilled] = false;
+    this[kInitialized] = false;
+
+    const session = this[kSession];
+    if (session) {
+      // We only want to end this session if we created it, and it hasn't ended yet
+      if (session.explicit === false) {
+        if (!session.hasEnded) {
+          session.endSession().catch(() => null);
+        }
+        this[kSession] = this.client.startSession({ owner: this, explicit: false });
+      }
+    }
+  }
+
+  /**
+   * Returns a new uninitialized copy of this cursor, with options matching those that have been set on the current instance
+   */
+  abstract clone(): AbstractCursor<TSchema>;
+
+  /** @internal */
+  abstract _initialize(
+    session: ClientSession | undefined,
+    callback: Callback<ExecutionResult>
+  ): void;
+
+  /** @internal */
+  _getMore(batchSize: number, callback: Callback<Document>): void {
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    const getMoreOperation = new GetMoreOperation(this[kNamespace], this[kId]!, this[kServer]!, {
+      ...this[kOptions],
+      session: this[kSession],
+      batchSize
+    });
+
+    executeOperation(this[kClient], getMoreOperation, callback);
+  }
+
+  /**
+   * @internal
+   *
+   * This function is exposed for the unified test runner's createChangeStream
+   * operation.  We cannot refactor to use the abstract _initialize method without
+   * a significant refactor.
+   */
+  [kInit](callback: Callback<TSchema | null>): void {
+    this._initialize(this[kSession], (err, state) => {
+      if (state) {
+        const response = state.response;
+        this[kServer] = state.server;
+
+        if (response.cursor) {
+          // TODO(NODE-2674): Preserve int64 sent from MongoDB
+          this[kId] =
+            typeof response.cursor.id === 'number'
+              ? Long.fromNumber(response.cursor.id)
+              : response.cursor.id;
+
+          if (response.cursor.ns) {
+            this[kNamespace] = ns(response.cursor.ns);
+          }
+
+          this[kDocuments] = response.cursor.firstBatch;
+        }
+
+        // When server responses return without a cursor document, we close this cursor
+        // and return the raw server response. This is often the case for explain commands
+        // for example
+        if (this[kId] == null) {
+          this[kId] = Long.ZERO;
+          // TODO(NODE-3286): ExecutionResult needs to accept a generic parameter
+          this[kDocuments] = [state.response as TODO_NODE_3286];
+        }
+      }
+
+      // the cursor is now initialized, even if an error occurred or it is dead
+      this[kInitialized] = true;
+
+      if (err || cursorIsDead(this)) {
+        return cleanupCursor(this, { error: err }, () => callback(err, nextDocument(this)));
+      }
+
+      callback();
+    });
+  }
+}
+
+function nextDocument<T>(cursor: AbstractCursor): T | null {
+  if (cursor[kDocuments] == null || !cursor[kDocuments].length) {
+    return null;
+  }
+
+  const doc = cursor[kDocuments].shift();
+  if (doc) {
+    const transform = cursor[kTransform];
+    if (transform) {
+      return transform(doc) as T;
+    }
+
+    return doc;
+  }
+
+  return null;
+}
+
+/**
+ * @param cursor - the cursor on which to call `next`
+ * @param blocking - a boolean indicating whether or not the cursor should `block` until data
+ *     is available.  Generally, this flag is set to `false` because if the getMore returns no documents,
+ *     the cursor has been exhausted.  In certain scenarios (ChangeStreams, tailable await cursors and
+ *     `tryNext`, for example) blocking is necessary because a getMore returning no documents does
+ *     not indicate the end of the cursor.
+ * @param callback - callback to return the result to the caller
+ * @returns
+ */
+export function next<T>(
+  cursor: AbstractCursor<T>,
+  blocking: boolean,
+  callback: Callback<T | null>
+): void {
+  const cursorId = cursor[kId];
+  if (cursor.closed) {
+    return callback(undefined, null);
+  }
+
+  if (cursor[kDocuments] && cursor[kDocuments].length) {
+    callback(undefined, nextDocument<T>(cursor));
+    return;
+  }
+
+  if (cursorId == null) {
+    // All cursors must operate within a session, one must be made implicitly if not explicitly provided
+    cursor[kInit]((err, value) => {
+      if (err) return callback(err);
+      if (value) {
+        return callback(undefined, value);
+      }
+      return next(cursor, blocking, callback);
+    });
+
+    return;
+  }
+
+  if (cursorIsDead(cursor)) {
+    return cleanupCursor(cursor, undefined, () => callback(undefined, null));
+  }
+
+  // otherwise need to call getMore
+  const batchSize = cursor[kOptions].batchSize || 1000;
+  cursor._getMore(batchSize, (err, response) => {
+    if (response) {
+      const cursorId =
+        typeof response.cursor.id === 'number'
+          ? Long.fromNumber(response.cursor.id)
+          : response.cursor.id;
+
+      cursor[kDocuments] = response.cursor.nextBatch;
+      cursor[kId] = cursorId;
+    }
+
+    if (err || cursorIsDead(cursor)) {
+      return cleanupCursor(cursor, { error: err }, () => callback(err, nextDocument<T>(cursor)));
+    }
+
+    if (cursor[kDocuments].length === 0 && blocking === false) {
+      return callback(undefined, null);
+    }
+
+    next(cursor, blocking, callback);
+  });
+}
+
+function cursorIsDead(cursor: AbstractCursor): boolean {
+  const cursorId = cursor[kId];
+  return !!cursorId && cursorId.isZero();
+}
+
+function cleanupCursor(
+  cursor: AbstractCursor,
+  options: { error?: AnyError | undefined; needsToEmitClosed?: boolean } | undefined,
+  callback: Callback
+): void {
+  const cursorId = cursor[kId];
+  const cursorNs = cursor[kNamespace];
+  const server = cursor[kServer];
+  const session = cursor[kSession];
+  const error = options?.error;
+  const needsToEmitClosed = options?.needsToEmitClosed ?? cursor[kDocuments].length === 0;
+
+  if (error) {
+    if (cursor.loadBalanced && error instanceof MongoNetworkError) {
+      return completeCleanup();
+    }
+  }
+
+  if (cursorId == null || server == null || cursorId.isZero() || cursorNs == null) {
+    if (needsToEmitClosed) {
+      cursor[kClosed] = true;
+      cursor[kId] = Long.ZERO;
+      cursor.emit(AbstractCursor.CLOSE);
+    }
+
+    if (session) {
+      if (session.owner === cursor) {
+        return session.endSession({ error }, callback);
+      }
+
+      if (!session.inTransaction()) {
+        maybeClearPinnedConnection(session, { error });
+      }
+    }
+
+    return callback();
+  }
+
+  function completeCleanup() {
+    if (session) {
+      if (session.owner === cursor) {
+        return session.endSession({ error }, () => {
+          cursor.emit(AbstractCursor.CLOSE);
+          callback();
+        });
+      }
+
+      if (!session.inTransaction()) {
+        maybeClearPinnedConnection(session, { error });
+      }
+    }
+
+    cursor.emit(AbstractCursor.CLOSE);
+    return callback();
+  }
+
+  cursor[kKilled] = true;
+
+  return executeOperation(
+    cursor[kClient],
+    new KillCursorsOperation(cursorId, cursorNs, server, { session }),
+    completeCleanup
+  );
+}
+
+/** @internal */
+export function assertUninitialized(cursor: AbstractCursor): void {
+  if (cursor[kInitialized]) {
+    throw new MongoCursorInUseError();
+  }
+}
+
+class ReadableCursorStream extends Readable {
+  private _cursor: AbstractCursor;
+  private _readInProgress = false;
+
+  constructor(cursor: AbstractCursor) {
+    super({
+      objectMode: true,
+      autoDestroy: false,
+      highWaterMark: 1
+    });
+    this._cursor = cursor;
+  }
+
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  override _read(size: number): void {
+    if (!this._readInProgress) {
+      this._readInProgress = true;
+      this._readNext();
+    }
+  }
+
+  override _destroy(error: Error | null, callback: (error?: Error | null) => void): void {
+    this._cursor.close(err => process.nextTick(callback, err || error));
+  }
+
+  private _readNext() {
+    next(this._cursor, true, (err, result) => {
+      if (err) {
+        // NOTE: This is questionable, but we have a test backing the behavior. It seems the
+        //       desired behavior is that a stream ends cleanly when a user explicitly closes
+        //       a client during iteration. Alternatively, we could do the "right" thing and
+        //       propagate the error message by removing this special case.
+        if (err.message.match(/server is closed/)) {
+          this._cursor.close().catch(() => null);
+          return this.push(null);
+        }
+
+        // NOTE: This is also perhaps questionable. The rationale here is that these errors tend
+        //       to be "operation interrupted", where a cursor has been closed but there is an
+        //       active getMore in-flight. This used to check if the cursor was killed but once
+        //       that changed to happen in cleanup legitimate errors would not destroy the
+        //       stream. There are change streams test specifically test these cases.
+        if (err.message.match(/interrupted/)) {
+          return this.push(null);
+        }
+
+        return this.destroy(err);
+      }
+
+      if (result == null) {
+        this.push(null);
+      } else if (this.destroyed) {
+        this._cursor.close().catch(() => null);
+      } else {
+        if (this.push(result)) {
+          return this._readNext();
+        }
+
+        this._readInProgress = false;
+      }
+    });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cursor/aggregation_cursor.ts b/node_modules/mongoose/node_modules/mongodb/src/cursor/aggregation_cursor.ts
new file mode 100644
index 000000000..350696ee4
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cursor/aggregation_cursor.ts
@@ -0,0 +1,219 @@
+import type { Document } from '../bson';
+import type { ExplainVerbosityLike } from '../explain';
+import type { MongoClient } from '../mongo_client';
+import { AggregateOperation, AggregateOptions } from '../operations/aggregate';
+import { executeOperation, ExecutionResult } from '../operations/execute_operation';
+import type { ClientSession } from '../sessions';
+import type { Sort } from '../sort';
+import type { Callback, MongoDBNamespace } from '../utils';
+import { mergeOptions } from '../utils';
+import type { AbstractCursorOptions } from './abstract_cursor';
+import { AbstractCursor, assertUninitialized } from './abstract_cursor';
+
+/** @public */
+export interface AggregationCursorOptions extends AbstractCursorOptions, AggregateOptions {}
+
+/** @internal */
+const kPipeline = Symbol('pipeline');
+/** @internal */
+const kOptions = Symbol('options');
+
+/**
+ * The **AggregationCursor** class is an internal class that embodies an aggregation cursor on MongoDB
+ * allowing for iteration over the results returned from the underlying query. It supports
+ * one by one document iteration, conversion to an array or can be iterated as a Node 4.X
+ * or higher stream
+ * @public
+ */
+export class AggregationCursor<TSchema = any> extends AbstractCursor<TSchema> {
+  /** @internal */
+  [kPipeline]: Document[];
+  /** @internal */
+  [kOptions]: AggregateOptions;
+
+  /** @internal */
+  constructor(
+    client: MongoClient,
+    namespace: MongoDBNamespace,
+    pipeline: Document[] = [],
+    options: AggregateOptions = {}
+  ) {
+    super(client, namespace, options);
+
+    this[kPipeline] = pipeline;
+    this[kOptions] = options;
+  }
+
+  get pipeline(): Document[] {
+    return this[kPipeline];
+  }
+
+  clone(): AggregationCursor<TSchema> {
+    const clonedOptions = mergeOptions({}, this[kOptions]);
+    delete clonedOptions.session;
+    return new AggregationCursor(this.client, this.namespace, this[kPipeline], {
+      ...clonedOptions
+    });
+  }
+
+  override map<T>(transform: (doc: TSchema) => T): AggregationCursor<T> {
+    return super.map(transform) as AggregationCursor<T>;
+  }
+
+  /** @internal */
+  _initialize(session: ClientSession, callback: Callback<ExecutionResult>): void {
+    const aggregateOperation = new AggregateOperation(this.namespace, this[kPipeline], {
+      ...this[kOptions],
+      ...this.cursorOptions,
+      session
+    });
+
+    executeOperation(this.client, aggregateOperation, (err, response) => {
+      if (err || response == null) return callback(err);
+
+      // TODO: NODE-2882
+      callback(undefined, { server: aggregateOperation.server, session, response });
+    });
+  }
+
+  /** Execute the explain for the cursor */
+  explain(): Promise<Document>;
+  explain(callback: Callback): void;
+  explain(verbosity: ExplainVerbosityLike): Promise<Document>;
+  explain(
+    verbosity?: ExplainVerbosityLike | Callback,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof verbosity === 'function') (callback = verbosity), (verbosity = true);
+    if (verbosity == null) verbosity = true;
+
+    return executeOperation(
+      this.client,
+      new AggregateOperation(this.namespace, this[kPipeline], {
+        ...this[kOptions], // NOTE: order matters here, we may need to refine this
+        ...this.cursorOptions,
+        explain: verbosity
+      }),
+      callback
+    );
+  }
+
+  /** Add a group stage to the aggregation pipeline */
+  group<T = TSchema>($group: Document): AggregationCursor<T>;
+  group($group: Document): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $group });
+    return this;
+  }
+
+  /** Add a limit stage to the aggregation pipeline */
+  limit($limit: number): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $limit });
+    return this;
+  }
+
+  /** Add a match stage to the aggregation pipeline */
+  match($match: Document): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $match });
+    return this;
+  }
+
+  /** Add an out stage to the aggregation pipeline */
+  out($out: { db: string; coll: string } | string): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $out });
+    return this;
+  }
+
+  /**
+   * Add a project stage to the aggregation pipeline
+   *
+   * @remarks
+   * In order to strictly type this function you must provide an interface
+   * that represents the effect of your projection on the result documents.
+   *
+   * By default chaining a projection to your cursor changes the returned type to the generic {@link Document} type.
+   * You should specify a parameterized type to have assertions on your final results.
+   *
+   * @example
+   * ```typescript
+   * // Best way
+   * const docs: AggregationCursor<{ a: number }> = cursor.project<{ a: number }>({ _id: 0, a: true });
+   * // Flexible way
+   * const docs: AggregationCursor<Document> = cursor.project({ _id: 0, a: true });
+   * ```
+   *
+   * @remarks
+   * In order to strictly type this function you must provide an interface
+   * that represents the effect of your projection on the result documents.
+   *
+   * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+   * it **does not** return a new instance of a cursor. This means when calling project,
+   * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+   * Take note of the following example:
+   *
+   * @example
+   * ```typescript
+   * const cursor: AggregationCursor<{ a: number; b: string }> = coll.aggregate([]);
+   * const projectCursor = cursor.project<{ a: number }>({ _id: 0, a: true });
+   * const aPropOnlyArray: {a: number}[] = await projectCursor.toArray();
+   *
+   * // or always use chaining and save the final cursor
+   *
+   * const cursor = coll.aggregate().project<{ a: string }>({
+   *   _id: 0,
+   *   a: { $convert: { input: '$a', to: 'string' }
+   * }});
+   * ```
+   */
+  project<T extends Document = Document>($project: Document): AggregationCursor<T> {
+    assertUninitialized(this);
+    this[kPipeline].push({ $project });
+    return this as unknown as AggregationCursor<T>;
+  }
+
+  /** Add a lookup stage to the aggregation pipeline */
+  lookup($lookup: Document): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $lookup });
+    return this;
+  }
+
+  /** Add a redact stage to the aggregation pipeline */
+  redact($redact: Document): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $redact });
+    return this;
+  }
+
+  /** Add a skip stage to the aggregation pipeline */
+  skip($skip: number): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $skip });
+    return this;
+  }
+
+  /** Add a sort stage to the aggregation pipeline */
+  sort($sort: Sort): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $sort });
+    return this;
+  }
+
+  /** Add a unwind stage to the aggregation pipeline */
+  unwind($unwind: Document | string): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $unwind });
+    return this;
+  }
+
+  // deprecated methods
+  /** @deprecated Add a geoNear stage to the aggregation pipeline */
+  geoNear($geoNear: Document): this {
+    assertUninitialized(this);
+    this[kPipeline].push({ $geoNear });
+    return this;
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cursor/change_stream_cursor.ts b/node_modules/mongoose/node_modules/mongodb/src/cursor/change_stream_cursor.ts
new file mode 100644
index 000000000..b5a4ae463
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cursor/change_stream_cursor.ts
@@ -0,0 +1,194 @@
+import type { Document, Long, Timestamp } from '../bson';
+import {
+  type ChangeStreamDocument,
+  type ChangeStreamEvents,
+  type OperationTime,
+  type ResumeToken,
+  ChangeStream
+} from '../change_stream';
+import { INIT, RESPONSE } from '../constants';
+import type { MongoClient } from '../mongo_client';
+import type { TODO_NODE_3286 } from '../mongo_types';
+import { AggregateOperation } from '../operations/aggregate';
+import type { CollationOptions } from '../operations/command';
+import { type ExecutionResult, executeOperation } from '../operations/execute_operation';
+import type { ClientSession } from '../sessions';
+import { type Callback, type MongoDBNamespace, maxWireVersion } from '../utils';
+import { type AbstractCursorOptions, AbstractCursor } from './abstract_cursor';
+
+/** @internal */
+export interface ChangeStreamCursorOptions extends AbstractCursorOptions {
+  startAtOperationTime?: OperationTime;
+  resumeAfter?: ResumeToken;
+  startAfter?: ResumeToken;
+  maxAwaitTimeMS?: number;
+  collation?: CollationOptions;
+  fullDocument?: string;
+}
+
+/** @internal */
+export type ChangeStreamAggregateRawResult<TChange> = {
+  $clusterTime: { clusterTime: Timestamp };
+  cursor: {
+    postBatchResumeToken: ResumeToken;
+    ns: string;
+    id: number | Long;
+  } & ({ firstBatch: TChange[] } | { nextBatch: TChange[] });
+  ok: 1;
+  operationTime: Timestamp;
+};
+
+/** @internal */
+export class ChangeStreamCursor<
+  TSchema extends Document = Document,
+  TChange extends Document = ChangeStreamDocument<TSchema>
+> extends AbstractCursor<TChange, ChangeStreamEvents> {
+  _resumeToken: ResumeToken;
+  startAtOperationTime?: OperationTime;
+  hasReceived?: boolean;
+  resumeAfter: ResumeToken;
+  startAfter: ResumeToken;
+  options: ChangeStreamCursorOptions;
+
+  postBatchResumeToken?: ResumeToken;
+  pipeline: Document[];
+
+  /**
+   * @internal
+   *
+   * used to determine change stream resumability
+   */
+  maxWireVersion: number | undefined;
+
+  constructor(
+    client: MongoClient,
+    namespace: MongoDBNamespace,
+    pipeline: Document[] = [],
+    options: ChangeStreamCursorOptions = {}
+  ) {
+    super(client, namespace, options);
+
+    this.pipeline = pipeline;
+    this.options = options;
+    this._resumeToken = null;
+    this.startAtOperationTime = options.startAtOperationTime;
+
+    if (options.startAfter) {
+      this.resumeToken = options.startAfter;
+    } else if (options.resumeAfter) {
+      this.resumeToken = options.resumeAfter;
+    }
+  }
+
+  set resumeToken(token: ResumeToken) {
+    this._resumeToken = token;
+    this.emit(ChangeStream.RESUME_TOKEN_CHANGED, token);
+  }
+
+  get resumeToken(): ResumeToken {
+    return this._resumeToken;
+  }
+
+  get resumeOptions(): ChangeStreamCursorOptions {
+    const options: ChangeStreamCursorOptions = {
+      ...this.options
+    };
+
+    for (const key of ['resumeAfter', 'startAfter', 'startAtOperationTime'] as const) {
+      delete options[key];
+    }
+
+    if (this.resumeToken != null) {
+      if (this.options.startAfter && !this.hasReceived) {
+        options.startAfter = this.resumeToken;
+      } else {
+        options.resumeAfter = this.resumeToken;
+      }
+    } else if (this.startAtOperationTime != null && maxWireVersion(this.server) >= 7) {
+      options.startAtOperationTime = this.startAtOperationTime;
+    }
+
+    return options;
+  }
+
+  cacheResumeToken(resumeToken: ResumeToken): void {
+    if (this.bufferedCount() === 0 && this.postBatchResumeToken) {
+      this.resumeToken = this.postBatchResumeToken;
+    } else {
+      this.resumeToken = resumeToken;
+    }
+    this.hasReceived = true;
+  }
+
+  _processBatch(response: ChangeStreamAggregateRawResult<TChange>): void {
+    const cursor = response.cursor;
+    if (cursor.postBatchResumeToken) {
+      this.postBatchResumeToken = response.cursor.postBatchResumeToken;
+
+      const batch =
+        'firstBatch' in response.cursor ? response.cursor.firstBatch : response.cursor.nextBatch;
+      if (batch.length === 0) {
+        this.resumeToken = cursor.postBatchResumeToken;
+      }
+    }
+  }
+
+  clone(): AbstractCursor<TChange> {
+    return new ChangeStreamCursor(this.client, this.namespace, this.pipeline, {
+      ...this.cursorOptions
+    });
+  }
+
+  _initialize(session: ClientSession, callback: Callback<ExecutionResult>): void {
+    const aggregateOperation = new AggregateOperation(this.namespace, this.pipeline, {
+      ...this.cursorOptions,
+      ...this.options,
+      session
+    });
+
+    executeOperation<TODO_NODE_3286, ChangeStreamAggregateRawResult<TChange>>(
+      session.client,
+      aggregateOperation,
+      (err, response) => {
+        if (err || response == null) {
+          return callback(err);
+        }
+
+        const server = aggregateOperation.server;
+        this.maxWireVersion = maxWireVersion(server);
+
+        if (
+          this.startAtOperationTime == null &&
+          this.resumeAfter == null &&
+          this.startAfter == null &&
+          this.maxWireVersion >= 7
+        ) {
+          this.startAtOperationTime = response.operationTime;
+        }
+
+        this._processBatch(response);
+
+        this.emit(INIT, response);
+        this.emit(RESPONSE);
+
+        // TODO: NODE-2882
+        callback(undefined, { server, session, response });
+      }
+    );
+  }
+
+  override _getMore(batchSize: number, callback: Callback): void {
+    super._getMore(batchSize, (err, response) => {
+      if (err) {
+        return callback(err);
+      }
+
+      this.maxWireVersion = maxWireVersion(this.server);
+      this._processBatch(response as TODO_NODE_3286 as ChangeStreamAggregateRawResult<TChange>);
+
+      this.emit(ChangeStream.MORE, response);
+      this.emit(ChangeStream.RESPONSE);
+      callback(err, response);
+    });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cursor/find_cursor.ts b/node_modules/mongoose/node_modules/mongodb/src/cursor/find_cursor.ts
new file mode 100644
index 000000000..8034bfd7c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cursor/find_cursor.ts
@@ -0,0 +1,480 @@
+import type { Document } from '../bson';
+import { MongoInvalidArgumentError, MongoTailableCursorError } from '../error';
+import type { ExplainVerbosityLike } from '../explain';
+import type { MongoClient } from '../mongo_client';
+import type { CollationOptions } from '../operations/command';
+import { CountOperation, CountOptions } from '../operations/count';
+import { executeOperation, ExecutionResult } from '../operations/execute_operation';
+import { FindOperation, FindOptions } from '../operations/find';
+import type { Hint } from '../operations/operation';
+import type { ClientSession } from '../sessions';
+import { formatSort, Sort, SortDirection } from '../sort';
+import { Callback, emitWarningOnce, mergeOptions, MongoDBNamespace } from '../utils';
+import { AbstractCursor, assertUninitialized } from './abstract_cursor';
+
+/** @internal */
+const kFilter = Symbol('filter');
+/** @internal */
+const kNumReturned = Symbol('numReturned');
+/** @internal */
+const kBuiltOptions = Symbol('builtOptions');
+
+/** @public Flags allowed for cursor */
+export const FLAGS = [
+  'tailable',
+  'oplogReplay',
+  'noCursorTimeout',
+  'awaitData',
+  'exhaust',
+  'partial'
+] as const;
+
+/** @public */
+export class FindCursor<TSchema = any> extends AbstractCursor<TSchema> {
+  /** @internal */
+  [kFilter]: Document;
+  /** @internal */
+  [kNumReturned]?: number;
+  /** @internal */
+  [kBuiltOptions]: FindOptions;
+
+  /** @internal */
+  constructor(
+    client: MongoClient,
+    namespace: MongoDBNamespace,
+    filter: Document | undefined,
+    options: FindOptions = {}
+  ) {
+    super(client, namespace, options);
+
+    this[kFilter] = filter || {};
+    this[kBuiltOptions] = options;
+
+    if (options.sort != null) {
+      this[kBuiltOptions].sort = formatSort(options.sort);
+    }
+  }
+
+  clone(): FindCursor<TSchema> {
+    const clonedOptions = mergeOptions({}, this[kBuiltOptions]);
+    delete clonedOptions.session;
+    return new FindCursor(this.client, this.namespace, this[kFilter], {
+      ...clonedOptions
+    });
+  }
+
+  override map<T>(transform: (doc: TSchema) => T): FindCursor<T> {
+    return super.map(transform) as FindCursor<T>;
+  }
+
+  /** @internal */
+  _initialize(session: ClientSession, callback: Callback<ExecutionResult>): void {
+    const findOperation = new FindOperation(undefined, this.namespace, this[kFilter], {
+      ...this[kBuiltOptions], // NOTE: order matters here, we may need to refine this
+      ...this.cursorOptions,
+      session
+    });
+
+    executeOperation(this.client, findOperation, (err, response) => {
+      if (err || response == null) return callback(err);
+
+      // TODO: We only need this for legacy queries that do not support `limit`, maybe
+      //       the value should only be saved in those cases.
+      if (response.cursor) {
+        this[kNumReturned] = response.cursor.firstBatch.length;
+      } else {
+        this[kNumReturned] = response.documents ? response.documents.length : 0;
+      }
+
+      // TODO: NODE-2882
+      callback(undefined, { server: findOperation.server, session, response });
+    });
+  }
+
+  /** @internal */
+  override _getMore(batchSize: number, callback: Callback<Document>): void {
+    // NOTE: this is to support client provided limits in pre-command servers
+    const numReturned = this[kNumReturned];
+    if (numReturned) {
+      const limit = this[kBuiltOptions].limit;
+      batchSize =
+        limit && limit > 0 && numReturned + batchSize > limit ? limit - numReturned : batchSize;
+
+      if (batchSize <= 0) {
+        return this.close(callback);
+      }
+    }
+
+    super._getMore(batchSize, (err, response) => {
+      if (err) return callback(err);
+
+      // TODO: wrap this in some logic to prevent it from happening if we don't need this support
+      if (response) {
+        this[kNumReturned] = this[kNumReturned] + response.cursor.nextBatch.length;
+      }
+
+      callback(undefined, response);
+    });
+  }
+
+  /**
+   * Get the count of documents for this cursor
+   * @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead
+   */
+  count(): Promise<number>;
+  /** @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead */
+  count(callback: Callback<number>): void;
+  /** @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead */
+  count(options: CountOptions): Promise<number>;
+  /** @deprecated Use `collection.estimatedDocumentCount` or `collection.countDocuments` instead */
+  count(options: CountOptions, callback: Callback<number>): void;
+  count(
+    options?: CountOptions | Callback<number>,
+    callback?: Callback<number>
+  ): Promise<number> | void {
+    emitWarningOnce(
+      'cursor.count is deprecated and will be removed in the next major version, please use `collection.estimatedDocumentCount` or `collection.countDocuments` instead '
+    );
+    if (typeof options === 'boolean') {
+      throw new MongoInvalidArgumentError('Invalid first parameter to count');
+    }
+
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    return executeOperation(
+      this.client,
+      new CountOperation(this.namespace, this[kFilter], {
+        ...this[kBuiltOptions], // NOTE: order matters here, we may need to refine this
+        ...this.cursorOptions,
+        ...options
+      }),
+      callback
+    );
+  }
+
+  /** Execute the explain for the cursor */
+  explain(): Promise<Document>;
+  explain(callback: Callback): void;
+  explain(verbosity?: ExplainVerbosityLike): Promise<Document>;
+  explain(
+    verbosity?: ExplainVerbosityLike | Callback,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof verbosity === 'function') (callback = verbosity), (verbosity = true);
+    if (verbosity == null) verbosity = true;
+
+    return executeOperation(
+      this.client,
+      new FindOperation(undefined, this.namespace, this[kFilter], {
+        ...this[kBuiltOptions], // NOTE: order matters here, we may need to refine this
+        ...this.cursorOptions,
+        explain: verbosity
+      }),
+      callback
+    );
+  }
+
+  /** Set the cursor query */
+  filter(filter: Document): this {
+    assertUninitialized(this);
+    this[kFilter] = filter;
+    return this;
+  }
+
+  /**
+   * Set the cursor hint
+   *
+   * @param hint - If specified, then the query system will only consider plans using the hinted index.
+   */
+  hint(hint: Hint): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].hint = hint;
+    return this;
+  }
+
+  /**
+   * Set the cursor min
+   *
+   * @param min - Specify a $min value to specify the inclusive lower bound for a specific index in order to constrain the results of find(). The $min specifies the lower bound for all keys of a specific index in order.
+   */
+  min(min: Document): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].min = min;
+    return this;
+  }
+
+  /**
+   * Set the cursor max
+   *
+   * @param max - Specify a $max value to specify the exclusive upper bound for a specific index in order to constrain the results of find(). The $max specifies the upper bound for all keys of a specific index in order.
+   */
+  max(max: Document): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].max = max;
+    return this;
+  }
+
+  /**
+   * Set the cursor returnKey.
+   * If set to true, modifies the cursor to only return the index field or fields for the results of the query, rather than documents.
+   * If set to true and the query does not use an index to perform the read operation, the returned documents will not contain any fields.
+   *
+   * @param value - the returnKey value.
+   */
+  returnKey(value: boolean): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].returnKey = value;
+    return this;
+  }
+
+  /**
+   * Modifies the output of a query by adding a field $recordId to matching documents. $recordId is the internal key which uniquely identifies a document in a collection.
+   *
+   * @param value - The $showDiskLoc option has now been deprecated and replaced with the showRecordId field. $showDiskLoc will still be accepted for OP_QUERY stye find.
+   */
+  showRecordId(value: boolean): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].showRecordId = value;
+    return this;
+  }
+
+  /**
+   * Add a query modifier to the cursor query
+   *
+   * @param name - The query modifier (must start with $, such as $orderby etc)
+   * @param value - The modifier value.
+   */
+  addQueryModifier(name: string, value: string | boolean | number | Document): this {
+    assertUninitialized(this);
+    if (name[0] !== '$') {
+      throw new MongoInvalidArgumentError(`${name} is not a valid query modifier`);
+    }
+
+    // Strip of the $
+    const field = name.substr(1);
+
+    // NOTE: consider some TS magic for this
+    switch (field) {
+      case 'comment':
+        this[kBuiltOptions].comment = value as string | Document;
+        break;
+
+      case 'explain':
+        this[kBuiltOptions].explain = value as boolean;
+        break;
+
+      case 'hint':
+        this[kBuiltOptions].hint = value as string | Document;
+        break;
+
+      case 'max':
+        this[kBuiltOptions].max = value as Document;
+        break;
+
+      case 'maxTimeMS':
+        this[kBuiltOptions].maxTimeMS = value as number;
+        break;
+
+      case 'min':
+        this[kBuiltOptions].min = value as Document;
+        break;
+
+      case 'orderby':
+        this[kBuiltOptions].sort = formatSort(value as string | Document);
+        break;
+
+      case 'query':
+        this[kFilter] = value as Document;
+        break;
+
+      case 'returnKey':
+        this[kBuiltOptions].returnKey = value as boolean;
+        break;
+
+      case 'showDiskLoc':
+        this[kBuiltOptions].showRecordId = value as boolean;
+        break;
+
+      default:
+        throw new MongoInvalidArgumentError(`Invalid query modifier: ${name}`);
+    }
+
+    return this;
+  }
+
+  /**
+   * Add a comment to the cursor query allowing for tracking the comment in the log.
+   *
+   * @param value - The comment attached to this query.
+   */
+  comment(value: string): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].comment = value;
+    return this;
+  }
+
+  /**
+   * Set a maxAwaitTimeMS on a tailing cursor query to allow to customize the timeout value for the option awaitData (Only supported on MongoDB 3.2 or higher, ignored otherwise)
+   *
+   * @param value - Number of milliseconds to wait before aborting the tailed query.
+   */
+  maxAwaitTimeMS(value: number): this {
+    assertUninitialized(this);
+    if (typeof value !== 'number') {
+      throw new MongoInvalidArgumentError('Argument for maxAwaitTimeMS must be a number');
+    }
+
+    this[kBuiltOptions].maxAwaitTimeMS = value;
+    return this;
+  }
+
+  /**
+   * Set a maxTimeMS on the cursor query, allowing for hard timeout limits on queries (Only supported on MongoDB 2.6 or higher)
+   *
+   * @param value - Number of milliseconds to wait before aborting the query.
+   */
+  override maxTimeMS(value: number): this {
+    assertUninitialized(this);
+    if (typeof value !== 'number') {
+      throw new MongoInvalidArgumentError('Argument for maxTimeMS must be a number');
+    }
+
+    this[kBuiltOptions].maxTimeMS = value;
+    return this;
+  }
+
+  /**
+   * Add a project stage to the aggregation pipeline
+   *
+   * @remarks
+   * In order to strictly type this function you must provide an interface
+   * that represents the effect of your projection on the result documents.
+   *
+   * By default chaining a projection to your cursor changes the returned type to the generic
+   * {@link Document} type.
+   * You should specify a parameterized type to have assertions on your final results.
+   *
+   * @example
+   * ```typescript
+   * // Best way
+   * const docs: FindCursor<{ a: number }> = cursor.project<{ a: number }>({ _id: 0, a: true });
+   * // Flexible way
+   * const docs: FindCursor<Document> = cursor.project({ _id: 0, a: true });
+   * ```
+   *
+   * @remarks
+   *
+   * **Note for Typescript Users:** adding a transform changes the return type of the iteration of this cursor,
+   * it **does not** return a new instance of a cursor. This means when calling project,
+   * you should always assign the result to a new variable in order to get a correctly typed cursor variable.
+   * Take note of the following example:
+   *
+   * @example
+   * ```typescript
+   * const cursor: FindCursor<{ a: number; b: string }> = coll.find();
+   * const projectCursor = cursor.project<{ a: number }>({ _id: 0, a: true });
+   * const aPropOnlyArray: {a: number}[] = await projectCursor.toArray();
+   *
+   * // or always use chaining and save the final cursor
+   *
+   * const cursor = coll.find().project<{ a: string }>({
+   *   _id: 0,
+   *   a: { $convert: { input: '$a', to: 'string' }
+   * }});
+   * ```
+   */
+  project<T extends Document = Document>(value: Document): FindCursor<T> {
+    assertUninitialized(this);
+    this[kBuiltOptions].projection = value;
+    return this as unknown as FindCursor<T>;
+  }
+
+  /**
+   * Sets the sort order of the cursor query.
+   *
+   * @param sort - The key or keys set for the sort.
+   * @param direction - The direction of the sorting (1 or -1).
+   */
+  sort(sort: Sort | string, direction?: SortDirection): this {
+    assertUninitialized(this);
+    if (this[kBuiltOptions].tailable) {
+      throw new MongoTailableCursorError('Tailable cursor does not support sorting');
+    }
+
+    this[kBuiltOptions].sort = formatSort(sort, direction);
+    return this;
+  }
+
+  /**
+   * Allows disk use for blocking sort operations exceeding 100MB memory. (MongoDB 3.2 or higher)
+   *
+   * @remarks
+   * {@link https://docs.mongodb.com/manual/reference/command/find/#find-cmd-allowdiskuse | find command allowDiskUse documentation}
+   */
+  allowDiskUse(allow = true): this {
+    assertUninitialized(this);
+
+    if (!this[kBuiltOptions].sort) {
+      throw new MongoInvalidArgumentError('Option "allowDiskUse" requires a sort specification');
+    }
+
+    // As of 6.0 the default is true. This allows users to get back to the old behaviour.
+    if (!allow) {
+      this[kBuiltOptions].allowDiskUse = false;
+      return this;
+    }
+
+    this[kBuiltOptions].allowDiskUse = true;
+    return this;
+  }
+
+  /**
+   * Set the collation options for the cursor.
+   *
+   * @param value - The cursor collation options (MongoDB 3.4 or higher) settings for update operation (see 3.4 documentation for available fields).
+   */
+  collation(value: CollationOptions): this {
+    assertUninitialized(this);
+    this[kBuiltOptions].collation = value;
+    return this;
+  }
+
+  /**
+   * Set the limit for the cursor.
+   *
+   * @param value - The limit for the cursor query.
+   */
+  limit(value: number): this {
+    assertUninitialized(this);
+    if (this[kBuiltOptions].tailable) {
+      throw new MongoTailableCursorError('Tailable cursor does not support limit');
+    }
+
+    if (typeof value !== 'number') {
+      throw new MongoInvalidArgumentError('Operation "limit" requires an integer');
+    }
+
+    this[kBuiltOptions].limit = value;
+    return this;
+  }
+
+  /**
+   * Set the skip for the cursor.
+   *
+   * @param value - The skip for the cursor query.
+   */
+  skip(value: number): this {
+    assertUninitialized(this);
+    if (this[kBuiltOptions].tailable) {
+      throw new MongoTailableCursorError('Tailable cursor does not support skip');
+    }
+
+    if (typeof value !== 'number') {
+      throw new MongoInvalidArgumentError('Operation "skip" requires an integer');
+    }
+
+    this[kBuiltOptions].skip = value;
+    return this;
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cursor/list_collections_cursor.ts b/node_modules/mongoose/node_modules/mongodb/src/cursor/list_collections_cursor.ts
new file mode 100644
index 000000000..460126be8
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cursor/list_collections_cursor.ts
@@ -0,0 +1,52 @@
+import type { Document } from '../bson';
+import type { Db } from '../db';
+import { executeOperation, ExecutionResult } from '../operations/execute_operation';
+import {
+  CollectionInfo,
+  ListCollectionsOperation,
+  ListCollectionsOptions
+} from '../operations/list_collections';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractCursor } from './abstract_cursor';
+
+/** @public */
+export class ListCollectionsCursor<
+  T extends Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo =
+    | Pick<CollectionInfo, 'name' | 'type'>
+    | CollectionInfo
+> extends AbstractCursor<T> {
+  parent: Db;
+  filter: Document;
+  options?: ListCollectionsOptions;
+
+  constructor(db: Db, filter: Document, options?: ListCollectionsOptions) {
+    super(db.s.client, db.s.namespace, options);
+    this.parent = db;
+    this.filter = filter;
+    this.options = options;
+  }
+
+  clone(): ListCollectionsCursor<T> {
+    return new ListCollectionsCursor(this.parent, this.filter, {
+      ...this.options,
+      ...this.cursorOptions
+    });
+  }
+
+  /** @internal */
+  _initialize(session: ClientSession | undefined, callback: Callback<ExecutionResult>): void {
+    const operation = new ListCollectionsOperation(this.parent, this.filter, {
+      ...this.cursorOptions,
+      ...this.options,
+      session
+    });
+
+    executeOperation(this.parent.s.client, operation, (err, response) => {
+      if (err || response == null) return callback(err);
+
+      // TODO: NODE-2882
+      callback(undefined, { server: operation.server, session, response });
+    });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/cursor/list_indexes_cursor.ts b/node_modules/mongoose/node_modules/mongodb/src/cursor/list_indexes_cursor.ts
new file mode 100644
index 000000000..25336d84d
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/cursor/list_indexes_cursor.ts
@@ -0,0 +1,41 @@
+import type { Collection } from '../collection';
+import { executeOperation, ExecutionResult } from '../operations/execute_operation';
+import { ListIndexesOperation, ListIndexesOptions } from '../operations/indexes';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractCursor } from './abstract_cursor';
+
+/** @public */
+export class ListIndexesCursor extends AbstractCursor {
+  parent: Collection;
+  options?: ListIndexesOptions;
+
+  constructor(collection: Collection, options?: ListIndexesOptions) {
+    super(collection.s.db.s.client, collection.s.namespace, options);
+    this.parent = collection;
+    this.options = options;
+  }
+
+  clone(): ListIndexesCursor {
+    return new ListIndexesCursor(this.parent, {
+      ...this.options,
+      ...this.cursorOptions
+    });
+  }
+
+  /** @internal */
+  _initialize(session: ClientSession | undefined, callback: Callback<ExecutionResult>): void {
+    const operation = new ListIndexesOperation(this.parent, {
+      ...this.cursorOptions,
+      ...this.options,
+      session
+    });
+
+    executeOperation(this.parent.s.db.s.client, operation, (err, response) => {
+      if (err || response == null) return callback(err);
+
+      // TODO: NODE-2882
+      callback(undefined, { server: operation.server, session, response });
+    });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/db.ts b/node_modules/mongoose/node_modules/mongodb/src/db.ts
new file mode 100644
index 000000000..136390ac7
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/db.ts
@@ -0,0 +1,770 @@
+import { Admin } from './admin';
+import { BSONSerializeOptions, Document, resolveBSONOptions } from './bson';
+import { ChangeStream, ChangeStreamDocument, ChangeStreamOptions } from './change_stream';
+import { Collection, CollectionOptions } from './collection';
+import * as CONSTANTS from './constants';
+import { AggregationCursor } from './cursor/aggregation_cursor';
+import { ListCollectionsCursor } from './cursor/list_collections_cursor';
+import { MongoAPIError, MongoInvalidArgumentError } from './error';
+import { Logger, LoggerOptions } from './logger';
+import type { MongoClient, PkFactory } from './mongo_client';
+import type { TODO_NODE_3286 } from './mongo_types';
+import { AddUserOperation, AddUserOptions } from './operations/add_user';
+import type { AggregateOptions } from './operations/aggregate';
+import { CollectionsOperation } from './operations/collections';
+import type { IndexInformationOptions } from './operations/common_functions';
+import { CreateCollectionOperation, CreateCollectionOptions } from './operations/create_collection';
+import {
+  DropCollectionOperation,
+  DropCollectionOptions,
+  DropDatabaseOperation,
+  DropDatabaseOptions
+} from './operations/drop';
+import { executeOperation } from './operations/execute_operation';
+import {
+  CreateIndexesOptions,
+  CreateIndexOperation,
+  IndexInformationOperation,
+  IndexSpecification
+} from './operations/indexes';
+import type { CollectionInfo, ListCollectionsOptions } from './operations/list_collections';
+import { ProfilingLevelOperation, ProfilingLevelOptions } from './operations/profiling_level';
+import { RemoveUserOperation, RemoveUserOptions } from './operations/remove_user';
+import { RenameOperation, RenameOptions } from './operations/rename';
+import { RunCommandOperation, RunCommandOptions } from './operations/run_command';
+import {
+  ProfilingLevel,
+  SetProfilingLevelOperation,
+  SetProfilingLevelOptions
+} from './operations/set_profiling_level';
+import { DbStatsOperation, DbStatsOptions } from './operations/stats';
+import { ReadConcern } from './read_concern';
+import { ReadPreference, ReadPreferenceLike } from './read_preference';
+import {
+  Callback,
+  DEFAULT_PK_FACTORY,
+  filterOptions,
+  getTopology,
+  MongoDBNamespace,
+  resolveOptions
+} from './utils';
+import { WriteConcern, WriteConcernOptions } from './write_concern';
+
+// Allowed parameters
+const DB_OPTIONS_ALLOW_LIST = [
+  'writeConcern',
+  'readPreference',
+  'readPreferenceTags',
+  'native_parser',
+  'forceServerObjectId',
+  'pkFactory',
+  'serializeFunctions',
+  'raw',
+  'authSource',
+  'ignoreUndefined',
+  'readConcern',
+  'retryMiliSeconds',
+  'numberOfRetries',
+  'loggerLevel',
+  'logger',
+  'promoteBuffers',
+  'promoteLongs',
+  'bsonRegExp',
+  'enableUtf8Validation',
+  'promoteValues',
+  'compression',
+  'retryWrites'
+];
+
+/** @internal */
+export interface DbPrivate {
+  client: MongoClient;
+  options?: DbOptions;
+  logger: Logger;
+  readPreference?: ReadPreference;
+  pkFactory: PkFactory;
+  readConcern?: ReadConcern;
+  bsonOptions: BSONSerializeOptions;
+  writeConcern?: WriteConcern;
+  namespace: MongoDBNamespace;
+}
+
+/** @public */
+export interface DbOptions extends BSONSerializeOptions, WriteConcernOptions, LoggerOptions {
+  /** If the database authentication is dependent on another databaseName. */
+  authSource?: string;
+  /** Force server to assign _id values instead of driver. */
+  forceServerObjectId?: boolean;
+  /** The preferred read preference (ReadPreference.PRIMARY, ReadPreference.PRIMARY_PREFERRED, ReadPreference.SECONDARY, ReadPreference.SECONDARY_PREFERRED, ReadPreference.NEAREST). */
+  readPreference?: ReadPreferenceLike;
+  /** A primary key factory object for generation of custom _id keys. */
+  pkFactory?: PkFactory;
+  /** Specify a read concern for the collection. (only MongoDB 3.2 or higher supported) */
+  readConcern?: ReadConcern;
+  /** Should retry failed writes */
+  retryWrites?: boolean;
+}
+
+/**
+ * The **Db** class is a class that represents a MongoDB Database.
+ * @public
+ *
+ * @example
+ * ```js
+ * const { MongoClient } = require('mongodb');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, client) {
+ *   // Select the database by name
+ *   const testDb = client.db(dbName);
+ *   client.close();
+ * });
+ * ```
+ */
+export class Db {
+  /** @internal */
+  s: DbPrivate;
+
+  public static SYSTEM_NAMESPACE_COLLECTION = CONSTANTS.SYSTEM_NAMESPACE_COLLECTION;
+  public static SYSTEM_INDEX_COLLECTION = CONSTANTS.SYSTEM_INDEX_COLLECTION;
+  public static SYSTEM_PROFILE_COLLECTION = CONSTANTS.SYSTEM_PROFILE_COLLECTION;
+  public static SYSTEM_USER_COLLECTION = CONSTANTS.SYSTEM_USER_COLLECTION;
+  public static SYSTEM_COMMAND_COLLECTION = CONSTANTS.SYSTEM_COMMAND_COLLECTION;
+  public static SYSTEM_JS_COLLECTION = CONSTANTS.SYSTEM_JS_COLLECTION;
+
+  /**
+   * Creates a new Db instance
+   *
+   * @param client - The MongoClient for the database.
+   * @param databaseName - The name of the database this instance represents.
+   * @param options - Optional settings for Db construction
+   */
+  constructor(client: MongoClient, databaseName: string, options?: DbOptions) {
+    options = options ?? {};
+
+    // Filter the options
+    options = filterOptions(options, DB_OPTIONS_ALLOW_LIST);
+
+    // Ensure we have a valid db name
+    validateDatabaseName(databaseName);
+
+    // Internal state of the db object
+    this.s = {
+      // Client
+      client,
+      // Options
+      options,
+      // Logger instance
+      logger: new Logger('Db', options),
+      // Unpack read preference
+      readPreference: ReadPreference.fromOptions(options),
+      // Merge bson options
+      bsonOptions: resolveBSONOptions(options, client),
+      // Set up the primary key factory or fallback to ObjectId
+      pkFactory: options?.pkFactory ?? DEFAULT_PK_FACTORY,
+      // ReadConcern
+      readConcern: ReadConcern.fromOptions(options),
+      writeConcern: WriteConcern.fromOptions(options),
+      // Namespace
+      namespace: new MongoDBNamespace(databaseName)
+    };
+  }
+
+  get databaseName(): string {
+    return this.s.namespace.db;
+  }
+
+  // Options
+  get options(): DbOptions | undefined {
+    return this.s.options;
+  }
+
+  /**
+   * slaveOk specified
+   * @deprecated Use secondaryOk instead
+   */
+  get slaveOk(): boolean {
+    return this.secondaryOk;
+  }
+
+  /**
+   * Check if a secondary can be used (because the read preference is *not* set to primary)
+   */
+  get secondaryOk(): boolean {
+    return this.s.readPreference?.preference !== 'primary' || false;
+  }
+
+  get readConcern(): ReadConcern | undefined {
+    return this.s.readConcern;
+  }
+
+  /**
+   * The current readPreference of the Db. If not explicitly defined for
+   * this Db, will be inherited from the parent MongoClient
+   */
+  get readPreference(): ReadPreference {
+    if (this.s.readPreference == null) {
+      return this.s.client.readPreference;
+    }
+
+    return this.s.readPreference;
+  }
+
+  get bsonOptions(): BSONSerializeOptions {
+    return this.s.bsonOptions;
+  }
+
+  // get the write Concern
+  get writeConcern(): WriteConcern | undefined {
+    return this.s.writeConcern;
+  }
+
+  get namespace(): string {
+    return this.s.namespace.toString();
+  }
+
+  /**
+   * Create a new collection on a server with the specified options. Use this to create capped collections.
+   * More information about command options available at https://docs.mongodb.com/manual/reference/command/create/
+   *
+   * @param name - The name of the collection to create
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  createCollection<TSchema extends Document = Document>(
+    name: string,
+    options?: CreateCollectionOptions
+  ): Promise<Collection<TSchema>>;
+  createCollection<TSchema extends Document = Document>(
+    name: string,
+    callback: Callback<Collection<TSchema>>
+  ): void;
+  createCollection<TSchema extends Document = Document>(
+    name: string,
+    options: CreateCollectionOptions | undefined,
+    callback: Callback<Collection<TSchema>>
+  ): void;
+  createCollection<TSchema extends Document = Document>(
+    name: string,
+    options?: CreateCollectionOptions | Callback<Collection>,
+    callback?: Callback<Collection>
+  ): Promise<Collection<TSchema>> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new CreateCollectionOperation(this, name, resolveOptions(this, options)) as TODO_NODE_3286,
+      callback
+    ) as TODO_NODE_3286;
+  }
+
+  /**
+   * Execute a command
+   *
+   * @remarks
+   * This command does not inherit options from the MongoClient.
+   *
+   * @param command - The command to run
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  command(command: Document): Promise<Document>;
+  command(command: Document, callback: Callback<Document>): void;
+  command(command: Document, options: RunCommandOptions): Promise<Document>;
+  command(command: Document, options: RunCommandOptions, callback: Callback<Document>): void;
+  command(
+    command: Document,
+    options?: RunCommandOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    // Intentionally, we do not inherit options from parent for this operation.
+    return executeOperation(
+      this.s.client,
+      new RunCommandOperation(this, command, options ?? {}),
+      callback
+    );
+  }
+
+  /**
+   * Execute an aggregation framework pipeline against the database, needs MongoDB \>= 3.6
+   *
+   * @param pipeline - An array of aggregation stages to be executed
+   * @param options - Optional settings for the command
+   */
+  aggregate<T extends Document = Document>(
+    pipeline: Document[] = [],
+    options?: AggregateOptions
+  ): AggregationCursor<T> {
+    if (arguments.length > 2) {
+      throw new MongoInvalidArgumentError('Method "db.aggregate()" accepts at most two arguments');
+    }
+    if (typeof pipeline === 'function') {
+      throw new MongoInvalidArgumentError('Argument "pipeline" must not be function');
+    }
+    if (typeof options === 'function') {
+      throw new MongoInvalidArgumentError('Argument "options" must not be function');
+    }
+
+    return new AggregationCursor(
+      this.s.client,
+      this.s.namespace,
+      pipeline,
+      resolveOptions(this, options)
+    );
+  }
+
+  /** Return the Admin db instance */
+  admin(): Admin {
+    return new Admin(this);
+  }
+
+  /**
+   * Returns a reference to a MongoDB Collection. If it does not exist it will be created implicitly.
+   *
+   * @param name - the collection name we wish to access.
+   * @returns return the new Collection instance
+   */
+  collection<TSchema extends Document = Document>(
+    name: string,
+    options: CollectionOptions = {}
+  ): Collection<TSchema> {
+    if (typeof options === 'function') {
+      throw new MongoInvalidArgumentError('The callback form of this helper has been removed.');
+    }
+    const finalOptions = resolveOptions(this, options);
+    return new Collection<TSchema>(this, name, finalOptions);
+  }
+
+  /**
+   * Get all the db statistics.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  stats(): Promise<Document>;
+  stats(callback: Callback<Document>): void;
+  stats(options: DbStatsOptions): Promise<Document>;
+  stats(options: DbStatsOptions, callback: Callback<Document>): void;
+  stats(
+    options?: DbStatsOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    return executeOperation(
+      this.s.client,
+      new DbStatsOperation(this, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * List all collections of this database with optional filter
+   *
+   * @param filter - Query to filter collections by
+   * @param options - Optional settings for the command
+   */
+  listCollections(
+    filter: Document,
+    options: Exclude<ListCollectionsOptions, 'nameOnly'> & { nameOnly: true }
+  ): ListCollectionsCursor<Pick<CollectionInfo, 'name' | 'type'>>;
+  listCollections(
+    filter: Document,
+    options: Exclude<ListCollectionsOptions, 'nameOnly'> & { nameOnly: false }
+  ): ListCollectionsCursor<CollectionInfo>;
+  listCollections<
+    T extends Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo =
+      | Pick<CollectionInfo, 'name' | 'type'>
+      | CollectionInfo
+  >(filter?: Document, options?: ListCollectionsOptions): ListCollectionsCursor<T>;
+  listCollections<
+    T extends Pick<CollectionInfo, 'name' | 'type'> | CollectionInfo =
+      | Pick<CollectionInfo, 'name' | 'type'>
+      | CollectionInfo
+  >(filter: Document = {}, options: ListCollectionsOptions = {}): ListCollectionsCursor<T> {
+    return new ListCollectionsCursor<T>(this, filter, resolveOptions(this, options));
+  }
+
+  /**
+   * Rename a collection.
+   *
+   * @remarks
+   * This operation does not inherit options from the MongoClient.
+   *
+   * @param fromCollection - Name of current collection to rename
+   * @param toCollection - New name of of the collection
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  renameCollection<TSchema extends Document = Document>(
+    fromCollection: string,
+    toCollection: string
+  ): Promise<Collection<TSchema>>;
+  renameCollection<TSchema extends Document = Document>(
+    fromCollection: string,
+    toCollection: string,
+    callback: Callback<Collection<TSchema>>
+  ): void;
+  renameCollection<TSchema extends Document = Document>(
+    fromCollection: string,
+    toCollection: string,
+    options: RenameOptions
+  ): Promise<Collection<TSchema>>;
+  renameCollection<TSchema extends Document = Document>(
+    fromCollection: string,
+    toCollection: string,
+    options: RenameOptions,
+    callback: Callback<Collection<TSchema>>
+  ): void;
+  renameCollection<TSchema extends Document = Document>(
+    fromCollection: string,
+    toCollection: string,
+    options?: RenameOptions | Callback<Collection<TSchema>>,
+    callback?: Callback<Collection<TSchema>>
+  ): Promise<Collection<TSchema>> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    // Intentionally, we do not inherit options from parent for this operation.
+    options = { ...options, readPreference: ReadPreference.PRIMARY };
+
+    // Add return new collection
+    options.new_collection = true;
+
+    return executeOperation(
+      this.s.client,
+      new RenameOperation(
+        this.collection<TSchema>(fromCollection) as TODO_NODE_3286,
+        toCollection,
+        options
+      ) as TODO_NODE_3286,
+      callback
+    );
+  }
+
+  /**
+   * Drop a collection from the database, removing it permanently. New accesses will create a new collection.
+   *
+   * @param name - Name of collection to drop
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  dropCollection(name: string): Promise<boolean>;
+  dropCollection(name: string, callback: Callback<boolean>): void;
+  dropCollection(name: string, options: DropCollectionOptions): Promise<boolean>;
+  dropCollection(name: string, options: DropCollectionOptions, callback: Callback<boolean>): void;
+  dropCollection(
+    name: string,
+    options?: DropCollectionOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new DropCollectionOperation(this, name, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Drop a database, removing it permanently from the server.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  dropDatabase(): Promise<boolean>;
+  dropDatabase(callback: Callback<boolean>): void;
+  dropDatabase(options: DropDatabaseOptions): Promise<boolean>;
+  dropDatabase(options: DropDatabaseOptions, callback: Callback<boolean>): void;
+  dropDatabase(
+    options?: DropDatabaseOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new DropDatabaseOperation(this, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Fetch all collections for the current db.
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  collections(): Promise<Collection[]>;
+  collections(callback: Callback<Collection[]>): void;
+  collections(options: ListCollectionsOptions): Promise<Collection[]>;
+  collections(options: ListCollectionsOptions, callback: Callback<Collection[]>): void;
+  collections(
+    options?: ListCollectionsOptions | Callback<Collection[]>,
+    callback?: Callback<Collection[]>
+  ): Promise<Collection[]> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new CollectionsOperation(this, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Creates an index on the db and collection.
+   *
+   * @param name - Name of the collection to create the index on.
+   * @param indexSpec - Specify the field to index, or an index specification
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  createIndex(name: string, indexSpec: IndexSpecification): Promise<string>;
+  createIndex(name: string, indexSpec: IndexSpecification, callback?: Callback<string>): void;
+  createIndex(
+    name: string,
+    indexSpec: IndexSpecification,
+    options: CreateIndexesOptions
+  ): Promise<string>;
+  createIndex(
+    name: string,
+    indexSpec: IndexSpecification,
+    options: CreateIndexesOptions,
+    callback: Callback<string>
+  ): void;
+  createIndex(
+    name: string,
+    indexSpec: IndexSpecification,
+    options?: CreateIndexesOptions | Callback<string>,
+    callback?: Callback<string>
+  ): Promise<string> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new CreateIndexOperation(this, name, indexSpec, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Add a user to the database
+   *
+   * @param username - The username for the new user
+   * @param password - An optional password for the new user
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  addUser(username: string): Promise<Document>;
+  addUser(username: string, callback: Callback<Document>): void;
+  addUser(username: string, password: string): Promise<Document>;
+  addUser(username: string, password: string, callback: Callback<Document>): void;
+  addUser(username: string, options: AddUserOptions): Promise<Document>;
+  addUser(username: string, options: AddUserOptions, callback: Callback<Document>): void;
+  addUser(username: string, password: string, options: AddUserOptions): Promise<Document>;
+  addUser(
+    username: string,
+    password: string,
+    options: AddUserOptions,
+    callback: Callback<Document>
+  ): void;
+  addUser(
+    username: string,
+    password?: string | AddUserOptions | Callback<Document>,
+    options?: AddUserOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof password === 'function') {
+      (callback = password), (password = undefined), (options = {});
+    } else if (typeof password !== 'string') {
+      if (typeof options === 'function') {
+        (callback = options), (options = password), (password = undefined);
+      } else {
+        (options = password), (callback = undefined), (password = undefined);
+      }
+    } else {
+      if (typeof options === 'function') (callback = options), (options = {});
+    }
+
+    return executeOperation(
+      this.s.client,
+      new AddUserOperation(this, username, password, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Remove a user from a database
+   *
+   * @param username - The username to remove
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  removeUser(username: string): Promise<boolean>;
+  removeUser(username: string, callback: Callback<boolean>): void;
+  removeUser(username: string, options: RemoveUserOptions): Promise<boolean>;
+  removeUser(username: string, options: RemoveUserOptions, callback: Callback<boolean>): void;
+  removeUser(
+    username: string,
+    options?: RemoveUserOptions | Callback<boolean>,
+    callback?: Callback<boolean>
+  ): Promise<boolean> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new RemoveUserOperation(this, username, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Set the current profiling level of MongoDB
+   *
+   * @param level - The new profiling level (off, slow_only, all).
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  setProfilingLevel(level: ProfilingLevel): Promise<ProfilingLevel>;
+  setProfilingLevel(level: ProfilingLevel, callback: Callback<ProfilingLevel>): void;
+  setProfilingLevel(
+    level: ProfilingLevel,
+    options: SetProfilingLevelOptions
+  ): Promise<ProfilingLevel>;
+  setProfilingLevel(
+    level: ProfilingLevel,
+    options: SetProfilingLevelOptions,
+    callback: Callback<ProfilingLevel>
+  ): void;
+  setProfilingLevel(
+    level: ProfilingLevel,
+    options?: SetProfilingLevelOptions | Callback<ProfilingLevel>,
+    callback?: Callback<ProfilingLevel>
+  ): Promise<ProfilingLevel> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new SetProfilingLevelOperation(this, level, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Retrieve the current profiling Level for MongoDB
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  profilingLevel(): Promise<string>;
+  profilingLevel(callback: Callback<string>): void;
+  profilingLevel(options: ProfilingLevelOptions): Promise<string>;
+  profilingLevel(options: ProfilingLevelOptions, callback: Callback<string>): void;
+  profilingLevel(
+    options?: ProfilingLevelOptions | Callback<string>,
+    callback?: Callback<string>
+  ): Promise<string> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new ProfilingLevelOperation(this, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Retrieves this collections index info.
+   *
+   * @param name - The name of the collection.
+   * @param options - Optional settings for the command
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  indexInformation(name: string): Promise<Document>;
+  indexInformation(name: string, callback: Callback<Document>): void;
+  indexInformation(name: string, options: IndexInformationOptions): Promise<Document>;
+  indexInformation(
+    name: string,
+    options: IndexInformationOptions,
+    callback: Callback<Document>
+  ): void;
+  indexInformation(
+    name: string,
+    options?: IndexInformationOptions | Callback<Document>,
+    callback?: Callback<Document>
+  ): Promise<Document> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+
+    return executeOperation(
+      this.s.client,
+      new IndexInformationOperation(this, name, resolveOptions(this, options)),
+      callback
+    );
+  }
+
+  /**
+   * Unref all sockets
+   * @deprecated This function is deprecated and will be removed in the next major version.
+   */
+  unref(): void {
+    getTopology(this).unref();
+  }
+
+  /**
+   * Create a new Change Stream, watching for new changes (insertions, updates,
+   * replacements, deletions, and invalidations) in this database. Will ignore all
+   * changes to system collections.
+   *
+   * @remarks
+   * watch() accepts two generic arguments for distinct usecases:
+   * - The first is to provide the schema that may be defined for all the collections within this database
+   * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+   *
+   * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+   * @param options - Optional settings for the command
+   * @typeParam TSchema - Type of the data being detected by the change stream
+   * @typeParam TChange - Type of the whole change stream document emitted
+   */
+  watch<
+    TSchema extends Document = Document,
+    TChange extends Document = ChangeStreamDocument<TSchema>
+  >(pipeline: Document[] = [], options: ChangeStreamOptions = {}): ChangeStream<TSchema, TChange> {
+    // Allow optionally not specifying a pipeline
+    if (!Array.isArray(pipeline)) {
+      options = pipeline;
+      pipeline = [];
+    }
+
+    return new ChangeStream<TSchema, TChange>(this, pipeline, resolveOptions(this, options));
+  }
+
+  /** Return the db logger */
+  getLogger(): Logger {
+    return this.s.logger;
+  }
+
+  get logger(): Logger {
+    return this.s.logger;
+  }
+}
+
+// TODO(NODE-3484): Refactor into MongoDBNamespace
+// Validate the database name
+function validateDatabaseName(databaseName: string) {
+  if (typeof databaseName !== 'string')
+    throw new MongoInvalidArgumentError('Database name must be a string');
+  if (databaseName.length === 0)
+    throw new MongoInvalidArgumentError('Database name cannot be the empty string');
+  if (databaseName === '$external') return;
+
+  const invalidChars = [' ', '.', '$', '/', '\\'];
+  for (let i = 0; i < invalidChars.length; i++) {
+    if (databaseName.indexOf(invalidChars[i]) !== -1)
+      throw new MongoAPIError(`database names cannot contain the character '${invalidChars[i]}'`);
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/deps.ts b/node_modules/mongoose/node_modules/mongodb/src/deps.ts
new file mode 100644
index 000000000..9201c30b2
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/deps.ts
@@ -0,0 +1,378 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+import type { deserialize, Document, serialize } from './bson';
+import type { ProxyOptions } from './cmap/connection';
+import { MongoMissingDependencyError } from './error';
+import type { MongoClient } from './mongo_client';
+import { Callback, parsePackageVersion } from './utils';
+
+export const PKG_VERSION = Symbol('kPkgVersion');
+
+function makeErrorModule(error: any) {
+  const props = error ? { kModuleError: error } : {};
+  return new Proxy(props, {
+    get: (_: any, key: any) => {
+      if (key === 'kModuleError') {
+        return error;
+      }
+      throw error;
+    },
+    set: () => {
+      throw error;
+    }
+  });
+}
+
+export let Kerberos: typeof import('kerberos') | { kModuleError: MongoMissingDependencyError } =
+  makeErrorModule(
+    new MongoMissingDependencyError(
+      'Optional module `kerberos` not found. Please install it to enable kerberos authentication'
+    )
+  );
+
+try {
+  // Ensure you always wrap an optional require in the try block NODE-3199
+  Kerberos = require('kerberos');
+} catch {} // eslint-disable-line
+
+export interface KerberosClient {
+  step(challenge: string): Promise<string>;
+  step(challenge: string, callback: Callback<string>): void;
+  wrap(challenge: string, options: { user: string }): Promise<string>;
+  wrap(challenge: string, options: { user: string }, callback: Callback<string>): void;
+  unwrap(challenge: string): Promise<string>;
+  unwrap(challenge: string, callback: Callback<string>): void;
+}
+
+type ZStandardLib = {
+  /**
+   * Compress using zstd.
+   * @param buf - Buffer to be compressed.
+   */
+  compress(buf: Buffer, level?: number): Promise<Buffer>;
+
+  /**
+   * Decompress using zstd.
+   */
+  decompress(buf: Buffer): Promise<Buffer>;
+};
+
+export let ZStandard: ZStandardLib | { kModuleError: MongoMissingDependencyError } =
+  makeErrorModule(
+    new MongoMissingDependencyError(
+      'Optional module `@mongodb-js/zstd` not found. Please install it to enable zstd compression'
+    )
+  );
+
+try {
+  ZStandard = require('@mongodb-js/zstd');
+} catch {} // eslint-disable-line
+
+type SnappyLib = {
+  [PKG_VERSION]: { major: number; minor: number; patch: number };
+
+  /**
+   * - Snappy 6.x takes a callback and returns void
+   * - Snappy 7.x returns a promise
+   *
+   * In order to support both we must check the return value of the function
+   * @param buf - Buffer to be compressed
+   * @param callback - ONLY USED IN SNAPPY 6.x
+   */
+  compress(buf: Buffer): Promise<Buffer>;
+  compress(buf: Buffer, callback: (error?: Error, buffer?: Buffer) => void): void;
+
+  /**
+   * - Snappy 6.x takes a callback and returns void
+   * - Snappy 7.x returns a promise
+   *
+   * In order to support both we must check the return value of the function
+   * @param buf - Buffer to be compressed
+   * @param callback - ONLY USED IN SNAPPY 6.x
+   */
+  uncompress(buf: Buffer, opt: { asBuffer: true }): Promise<Buffer>;
+  uncompress(
+    buf: Buffer,
+    opt: { asBuffer: true },
+    callback: (error?: Error, buffer?: Buffer) => void
+  ): void;
+};
+
+export let Snappy: SnappyLib | { kModuleError: MongoMissingDependencyError } = makeErrorModule(
+  new MongoMissingDependencyError(
+    'Optional module `snappy` not found. Please install it to enable snappy compression'
+  )
+);
+
+try {
+  // Ensure you always wrap an optional require in the try block NODE-3199
+  Snappy = require('snappy');
+  try {
+    (Snappy as any)[PKG_VERSION] = parsePackageVersion(require('snappy/package.json'));
+  } catch {} // eslint-disable-line
+} catch {} // eslint-disable-line
+
+export let saslprep: typeof import('saslprep') | { kModuleError: MongoMissingDependencyError } =
+  makeErrorModule(
+    new MongoMissingDependencyError(
+      'Optional module `saslprep` not found.' +
+        ' Please install it to enable Stringprep Profile for User Names and Passwords'
+    )
+  );
+
+try {
+  // Ensure you always wrap an optional require in the try block NODE-3199
+  saslprep = require('saslprep');
+} catch {} // eslint-disable-line
+
+interface AWS4 {
+  /**
+   * Created these inline types to better assert future usage of this API
+   * @param options - options for request
+   * @param credentials - AWS credential details, sessionToken should be omitted entirely if its false-y
+   */
+  sign(
+    this: void,
+    options: {
+      path: '/';
+      body: string;
+      host: string;
+      method: 'POST';
+      headers: {
+        'Content-Type': 'application/x-www-form-urlencoded';
+        'Content-Length': number;
+        'X-MongoDB-Server-Nonce': string;
+        'X-MongoDB-GS2-CB-Flag': 'n';
+      };
+      service: string;
+      region: string;
+    },
+    credentials:
+      | {
+          accessKeyId: string;
+          secretAccessKey: string;
+          sessionToken: string;
+        }
+      | {
+          accessKeyId: string;
+          secretAccessKey: string;
+        }
+      | undefined
+  ): {
+    headers: {
+      Authorization: string;
+      'X-Amz-Date': string;
+    };
+  };
+}
+
+export let aws4: AWS4 | { kModuleError: MongoMissingDependencyError } = makeErrorModule(
+  new MongoMissingDependencyError(
+    'Optional module `aws4` not found. Please install it to enable AWS authentication'
+  )
+);
+
+try {
+  // Ensure you always wrap an optional require in the try block NODE-3199
+  aws4 = require('aws4');
+} catch {} // eslint-disable-line
+
+/** @public */
+export const AutoEncryptionLoggerLevel = Object.freeze({
+  FatalError: 0,
+  Error: 1,
+  Warning: 2,
+  Info: 3,
+  Trace: 4
+} as const);
+
+/** @public */
+export type AutoEncryptionLoggerLevel =
+  typeof AutoEncryptionLoggerLevel[keyof typeof AutoEncryptionLoggerLevel];
+
+/** @public */
+export interface AutoEncryptionTlsOptions {
+  /**
+   * Specifies the location of a local .pem file that contains
+   * either the client's TLS/SSL certificate and key or only the
+   * client's TLS/SSL key when tlsCertificateFile is used to
+   * provide the certificate.
+   */
+  tlsCertificateKeyFile?: string;
+  /**
+   * Specifies the password to de-crypt the tlsCertificateKeyFile.
+   */
+  tlsCertificateKeyFilePassword?: string;
+  /**
+   * Specifies the location of a local .pem file that contains the
+   * root certificate chain from the Certificate Authority.
+   * This file is used to validate the certificate presented by the
+   * KMS provider.
+   */
+  tlsCAFile?: string;
+}
+
+/** @public */
+export interface AutoEncryptionOptions {
+  /** @internal */
+  bson?: { serialize: typeof serialize; deserialize: typeof deserialize };
+  /** @internal client for metadata lookups */
+  metadataClient?: MongoClient;
+  /** A `MongoClient` used to fetch keys from a key vault */
+  keyVaultClient?: MongoClient;
+  /** The namespace where keys are stored in the key vault */
+  keyVaultNamespace?: string;
+  /** Configuration options that are used by specific KMS providers during key generation, encryption, and decryption. */
+  kmsProviders?: {
+    /** Configuration options for using 'aws' as your KMS provider */
+    aws?: {
+      /** The access key used for the AWS KMS provider */
+      accessKeyId: string;
+      /** The secret access key used for the AWS KMS provider */
+      secretAccessKey: string;
+      /**
+       * An optional AWS session token that will be used as the
+       * X-Amz-Security-Token header for AWS requests.
+       */
+      sessionToken?: string;
+    };
+    /** Configuration options for using 'local' as your KMS provider */
+    local?: {
+      /**
+       * The master key used to encrypt/decrypt data keys.
+       * A 96-byte long Buffer or base64 encoded string.
+       */
+      key: Buffer | string;
+    };
+    /** Configuration options for using 'azure' as your KMS provider */
+    azure?: {
+      /** The tenant ID identifies the organization for the account */
+      tenantId: string;
+      /** The client ID to authenticate a registered application */
+      clientId: string;
+      /** The client secret to authenticate a registered application */
+      clientSecret: string;
+      /**
+       * If present, a host with optional port. E.g. "example.com" or "example.com:443".
+       * This is optional, and only needed if customer is using a non-commercial Azure instance
+       * (e.g. a government or China account, which use different URLs).
+       * Defaults to "login.microsoftonline.com"
+       */
+      identityPlatformEndpoint?: string | undefined;
+    };
+    /** Configuration options for using 'gcp' as your KMS provider */
+    gcp?: {
+      /** The service account email to authenticate */
+      email: string;
+      /** A PKCS#8 encrypted key. This can either be a base64 string or a binary representation */
+      privateKey: string | Buffer;
+      /**
+       * If present, a host with optional port. E.g. "example.com" or "example.com:443".
+       * Defaults to "oauth2.googleapis.com"
+       */
+      endpoint?: string | undefined;
+    };
+    /**
+     * Configuration options for using 'kmip' as your KMS provider
+     */
+    kmip?: {
+      /**
+       * The output endpoint string.
+       * The endpoint consists of a hostname and port separated by a colon.
+       * E.g. "example.com:123". A port is always present.
+       */
+      endpoint?: string;
+    };
+  };
+  /**
+   * A map of namespaces to a local JSON schema for encryption
+   *
+   * **NOTE**: Supplying options.schemaMap provides more security than relying on JSON Schemas obtained from the server.
+   * It protects against a malicious server advertising a false JSON Schema, which could trick the client into sending decrypted data that should be encrypted.
+   * Schemas supplied in the schemaMap only apply to configuring automatic encryption for client side encryption.
+   * Other validation rules in the JSON schema will not be enforced by the driver and will result in an error.
+   */
+  schemaMap?: Document;
+  /** @experimental Public Technical Preview: Supply a schema for the encrypted fields in the document  */
+  encryptedFieldsMap?: Document;
+  /** Allows the user to bypass auto encryption, maintaining implicit decryption */
+  bypassAutoEncryption?: boolean;
+  /** @experimental Public Technical Preview: Allows users to bypass query analysis */
+  bypassQueryAnalysis?: boolean;
+  options?: {
+    /** An optional hook to catch logging messages from the underlying encryption engine */
+    logger?: (level: AutoEncryptionLoggerLevel, message: string) => void;
+  };
+  extraOptions?: {
+    /**
+     * A local process the driver communicates with to determine how to encrypt values in a command.
+     * Defaults to "mongodb://%2Fvar%2Fmongocryptd.sock" if domain sockets are available or "mongodb://localhost:27020" otherwise
+     */
+    mongocryptdURI?: string;
+    /** If true, autoEncryption will not attempt to spawn a mongocryptd before connecting  */
+    mongocryptdBypassSpawn?: boolean;
+    /** The path to the mongocryptd executable on the system */
+    mongocryptdSpawnPath?: string;
+    /** Command line arguments to use when auto-spawning a mongocryptd */
+    mongocryptdSpawnArgs?: string[];
+    /**
+     * Full path to a MongoDB Crypt shared library to be used (instead of mongocryptd).
+     *
+     * This needs to be the path to the file itself, not a directory.
+     * It can be an absolute or relative path. If the path is relative and
+     * its first component is `$ORIGIN`, it will be replaced by the directory
+     * containing the mongodb-client-encryption native addon file. Otherwise,
+     * the path will be interpreted relative to the current working directory.
+     *
+     * Currently, loading different MongoDB Crypt shared library files from different
+     * MongoClients in the same process is not supported.
+     *
+     * If this option is provided and no MongoDB Crypt shared library could be loaded
+     * from the specified location, creating the MongoClient will fail.
+     *
+     * If this option is not provided and `cryptSharedLibRequired` is not specified,
+     * the AutoEncrypter will attempt to spawn and/or use mongocryptd according
+     * to the mongocryptd-specific `extraOptions` options.
+     *
+     * Specifying a path prevents mongocryptd from being used as a fallback.
+     *
+     * Requires the MongoDB Crypt shared library, available in MongoDB 6.0 or higher.
+     */
+    cryptSharedLibPath?: string;
+    /**
+     * If specified, never use mongocryptd and instead fail when the MongoDB Crypt
+     * shared library could not be loaded.
+     *
+     * This is always true when `cryptSharedLibPath` is specified.
+     *
+     * Requires the MongoDB Crypt shared library, available in MongoDB 6.0 or higher.
+     */
+    cryptSharedLibRequired?: boolean;
+    /**
+     * Search paths for a MongoDB Crypt shared library to be used (instead of mongocryptd)
+     * Only for driver testing!
+     * @internal
+     */
+    cryptSharedLibSearchPaths?: string[];
+  };
+  proxyOptions?: ProxyOptions;
+  /** The TLS options to use connecting to the KMS provider */
+  tlsOptions?: {
+    aws?: AutoEncryptionTlsOptions;
+    local?: AutoEncryptionTlsOptions;
+    azure?: AutoEncryptionTlsOptions;
+    gcp?: AutoEncryptionTlsOptions;
+    kmip?: AutoEncryptionTlsOptions;
+  };
+}
+
+/** @public */
+export interface AutoEncrypter {
+  // eslint-disable-next-line @typescript-eslint/no-misused-new
+  new (client: MongoClient, options: AutoEncryptionOptions): AutoEncrypter;
+  init(cb: Callback): void;
+  teardown(force: boolean, callback: Callback): void;
+  encrypt(ns: string, cmd: Document, options: any, callback: Callback<Document>): void;
+  decrypt(cmd: Document, options: any, callback: Callback<Document>): void;
+  /** @experimental */
+  readonly cryptSharedLibVersionInfo: { version: bigint; versionStr: string } | null;
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/encrypter.ts b/node_modules/mongoose/node_modules/mongodb/src/encrypter.ts
new file mode 100644
index 000000000..c67643c04
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/encrypter.ts
@@ -0,0 +1,135 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+import { deserialize, serialize } from './bson';
+import { MONGO_CLIENT_EVENTS } from './constants';
+import type { AutoEncrypter, AutoEncryptionOptions } from './deps';
+import { MongoInvalidArgumentError, MongoMissingDependencyError } from './error';
+import { MongoClient, MongoClientOptions } from './mongo_client';
+import { Callback, getMongoDBClientEncryption } from './utils';
+
+let AutoEncrypterClass: { new (...args: ConstructorParameters<AutoEncrypter>): AutoEncrypter };
+
+/** @internal */
+const kInternalClient = Symbol('internalClient');
+
+/** @internal */
+export interface EncrypterOptions {
+  autoEncryption: AutoEncryptionOptions;
+  maxPoolSize?: number;
+}
+
+/** @internal */
+export class Encrypter {
+  [kInternalClient]: MongoClient | null;
+  bypassAutoEncryption: boolean;
+  needsConnecting: boolean;
+  autoEncrypter: AutoEncrypter;
+
+  constructor(client: MongoClient, uri: string, options: MongoClientOptions) {
+    if (typeof options.autoEncryption !== 'object') {
+      throw new MongoInvalidArgumentError('Option "autoEncryption" must be specified');
+    }
+    // initialize to null, if we call getInternalClient, we may set this it is important to not overwrite those function calls.
+    this[kInternalClient] = null;
+
+    this.bypassAutoEncryption = !!options.autoEncryption.bypassAutoEncryption;
+    this.needsConnecting = false;
+
+    if (options.maxPoolSize === 0 && options.autoEncryption.keyVaultClient == null) {
+      options.autoEncryption.keyVaultClient = client;
+    } else if (options.autoEncryption.keyVaultClient == null) {
+      options.autoEncryption.keyVaultClient = this.getInternalClient(client, uri, options);
+    }
+
+    if (this.bypassAutoEncryption) {
+      options.autoEncryption.metadataClient = undefined;
+    } else if (options.maxPoolSize === 0) {
+      options.autoEncryption.metadataClient = client;
+    } else {
+      options.autoEncryption.metadataClient = this.getInternalClient(client, uri, options);
+    }
+
+    if (options.proxyHost) {
+      options.autoEncryption.proxyOptions = {
+        proxyHost: options.proxyHost,
+        proxyPort: options.proxyPort,
+        proxyUsername: options.proxyUsername,
+        proxyPassword: options.proxyPassword
+      };
+    }
+
+    options.autoEncryption.bson = Object.create(null);
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    options.autoEncryption.bson!.serialize = serialize;
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    options.autoEncryption.bson!.deserialize = deserialize;
+
+    this.autoEncrypter = new AutoEncrypterClass(client, options.autoEncryption);
+  }
+
+  getInternalClient(client: MongoClient, uri: string, options: MongoClientOptions): MongoClient {
+    // TODO(NODE-4144): Remove new variable for type narrowing
+    let internalClient = this[kInternalClient];
+    if (internalClient == null) {
+      const clonedOptions: MongoClientOptions = {};
+
+      for (const key of [
+        ...Object.getOwnPropertyNames(options),
+        ...Object.getOwnPropertySymbols(options)
+      ] as string[]) {
+        if (['autoEncryption', 'minPoolSize', 'servers', 'caseTranslate', 'dbName'].includes(key))
+          continue;
+        Reflect.set(clonedOptions, key, Reflect.get(options, key));
+      }
+
+      clonedOptions.minPoolSize = 0;
+
+      internalClient = new MongoClient(uri, clonedOptions);
+      this[kInternalClient] = internalClient;
+
+      for (const eventName of MONGO_CLIENT_EVENTS) {
+        for (const listener of client.listeners(eventName)) {
+          internalClient.on(eventName, listener);
+        }
+      }
+
+      client.on('newListener', (eventName, listener) => {
+        internalClient?.on(eventName, listener);
+      });
+
+      this.needsConnecting = true;
+    }
+    return internalClient;
+  }
+
+  connectInternalClient(callback: Callback): void {
+    // TODO(NODE-4144): Remove new variable for type narrowing
+    const internalClient = this[kInternalClient];
+    if (this.needsConnecting && internalClient != null) {
+      this.needsConnecting = false;
+      return internalClient.connect(callback);
+    }
+
+    return callback();
+  }
+
+  close(client: MongoClient, force: boolean, callback: Callback): void {
+    this.autoEncrypter.teardown(!!force, e => {
+      const internalClient = this[kInternalClient];
+      if (internalClient != null && client !== internalClient) {
+        return internalClient.close(force, callback);
+      }
+      callback(e);
+    });
+  }
+
+  static checkForMongoCrypt(): void {
+    const mongodbClientEncryption = getMongoDBClientEncryption();
+    if (mongodbClientEncryption == null) {
+      throw new MongoMissingDependencyError(
+        'Auto-encryption requested, but the module is not installed. ' +
+          'Please add `mongodb-client-encryption` as a dependency of your project'
+      );
+    }
+    AutoEncrypterClass = mongodbClientEncryption.extension(require('../lib/index')).AutoEncrypter;
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/error.ts b/node_modules/mongoose/node_modules/mongodb/src/error.ts
new file mode 100644
index 000000000..7a788b923
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/error.ts
@@ -0,0 +1,924 @@
+import type { Document } from './bson';
+import type { TopologyVersion } from './sdam/server_description';
+import type { TopologyDescription } from './sdam/topology_description';
+
+/** @public */
+export type AnyError = MongoError | Error;
+
+/** @internal */
+const kErrorLabels = Symbol('errorLabels');
+
+/**
+ * @internal
+ * The legacy error message from the server that indicates the node is not a writable primary
+ * https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
+ */
+export const LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE = new RegExp('not master', 'i');
+
+/**
+ * @internal
+ * The legacy error message from the server that indicates the node is not a primary or secondary
+ * https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
+ */
+export const LEGACY_NOT_PRIMARY_OR_SECONDARY_ERROR_MESSAGE = new RegExp(
+  'not master or secondary',
+  'i'
+);
+
+/**
+ * @internal
+ * The error message from the server that indicates the node is recovering
+ * https://github.com/mongodb/specifications/blob/b07c26dc40d04ac20349f989db531c9845fdd755/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-writable-primary-and-node-is-recovering
+ */
+export const NODE_IS_RECOVERING_ERROR_MESSAGE = new RegExp('node is recovering', 'i');
+
+/** @internal MongoDB Error Codes */
+export const MONGODB_ERROR_CODES = Object.freeze({
+  HostUnreachable: 6,
+  HostNotFound: 7,
+  NetworkTimeout: 89,
+  ShutdownInProgress: 91,
+  PrimarySteppedDown: 189,
+  ExceededTimeLimit: 262,
+  SocketException: 9001,
+  NotWritablePrimary: 10107,
+  InterruptedAtShutdown: 11600,
+  InterruptedDueToReplStateChange: 11602,
+  NotPrimaryNoSecondaryOk: 13435,
+  NotPrimaryOrSecondary: 13436,
+  StaleShardVersion: 63,
+  StaleEpoch: 150,
+  StaleConfig: 13388,
+  RetryChangeStream: 234,
+  FailedToSatisfyReadPreference: 133,
+  CursorNotFound: 43,
+  LegacyNotPrimary: 10058,
+  WriteConcernFailed: 64,
+  NamespaceNotFound: 26,
+  IllegalOperation: 20,
+  MaxTimeMSExpired: 50,
+  UnknownReplWriteConcern: 79,
+  UnsatisfiableWriteConcern: 100
+} as const);
+
+// From spec@https://github.com/mongodb/specifications/blob/f93d78191f3db2898a59013a7ed5650352ef6da8/source/change-streams/change-streams.rst#resumable-error
+export const GET_MORE_RESUMABLE_CODES = new Set<number>([
+  MONGODB_ERROR_CODES.HostUnreachable,
+  MONGODB_ERROR_CODES.HostNotFound,
+  MONGODB_ERROR_CODES.NetworkTimeout,
+  MONGODB_ERROR_CODES.ShutdownInProgress,
+  MONGODB_ERROR_CODES.PrimarySteppedDown,
+  MONGODB_ERROR_CODES.ExceededTimeLimit,
+  MONGODB_ERROR_CODES.SocketException,
+  MONGODB_ERROR_CODES.NotWritablePrimary,
+  MONGODB_ERROR_CODES.InterruptedAtShutdown,
+  MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
+  MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
+  MONGODB_ERROR_CODES.NotPrimaryOrSecondary,
+  MONGODB_ERROR_CODES.StaleShardVersion,
+  MONGODB_ERROR_CODES.StaleEpoch,
+  MONGODB_ERROR_CODES.StaleConfig,
+  MONGODB_ERROR_CODES.RetryChangeStream,
+  MONGODB_ERROR_CODES.FailedToSatisfyReadPreference,
+  MONGODB_ERROR_CODES.CursorNotFound
+]);
+
+/** @public */
+export const MongoErrorLabel = Object.freeze({
+  RetryableWriteError: 'RetryableWriteError',
+  TransientTransactionError: 'TransientTransactionError',
+  UnknownTransactionCommitResult: 'UnknownTransactionCommitResult',
+  ResumableChangeStreamError: 'ResumableChangeStreamError',
+  HandshakeError: 'HandshakeError'
+} as const);
+
+/** @public */
+export type MongoErrorLabel = typeof MongoErrorLabel[keyof typeof MongoErrorLabel];
+
+/** @public */
+export interface ErrorDescription extends Document {
+  message?: string;
+  errmsg?: string;
+  $err?: string;
+  errorLabels?: string[];
+  errInfo?: Document;
+}
+
+/**
+ * @public
+ * @category Error
+ *
+ * @privateRemarks
+ * CSFLE has a dependency on this error, it uses the constructor with a string argument
+ */
+export class MongoError extends Error {
+  /** @internal */
+  [kErrorLabels]: Set<string>;
+  /**
+   * This is a number in MongoServerError and a string in MongoDriverError
+   * @privateRemarks
+   * Define the type override on the subclasses when we can use the override keyword
+   */
+  code?: number | string;
+  topologyVersion?: TopologyVersion;
+
+  constructor(message: string | Error) {
+    if (message instanceof Error) {
+      super(message.message);
+    } else {
+      super(message);
+    }
+    this[kErrorLabels] = new Set();
+  }
+
+  override get name(): string {
+    return 'MongoError';
+  }
+
+  /** Legacy name for server error responses */
+  get errmsg(): string {
+    return this.message;
+  }
+
+  /**
+   * Checks the error to see if it has an error label
+   *
+   * @param label - The error label to check for
+   * @returns returns true if the error has the provided error label
+   */
+  hasErrorLabel(label: string): boolean {
+    return this[kErrorLabels].has(label);
+  }
+
+  addErrorLabel(label: string): void {
+    this[kErrorLabels].add(label);
+  }
+
+  get errorLabels(): string[] {
+    return Array.from(this[kErrorLabels]);
+  }
+}
+
+/**
+ * An error coming from the mongo server
+ *
+ * @public
+ * @category Error
+ */
+export class MongoServerError extends MongoError {
+  codeName?: string;
+  writeConcernError?: Document;
+  errInfo?: Document;
+  ok?: number;
+  [key: string]: any;
+
+  constructor(message: ErrorDescription) {
+    super(message.message || message.errmsg || message.$err || 'n/a');
+    if (message.errorLabels) {
+      this[kErrorLabels] = new Set(message.errorLabels);
+    }
+
+    for (const name in message) {
+      if (name !== 'errorLabels' && name !== 'errmsg' && name !== 'message')
+        this[name] = message[name];
+    }
+  }
+
+  override get name(): string {
+    return 'MongoServerError';
+  }
+}
+
+/**
+ * An error generated by the driver
+ *
+ * @public
+ * @category Error
+ */
+export class MongoDriverError extends MongoError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoDriverError';
+  }
+}
+
+/**
+ * An error generated when the driver API is used incorrectly
+ *
+ * @privateRemarks
+ * Should **never** be directly instantiated
+ *
+ * @public
+ * @category Error
+ */
+
+export class MongoAPIError extends MongoDriverError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoAPIError';
+  }
+}
+
+/**
+ * An error generated when the driver encounters unexpected input
+ * or reaches an unexpected/invalid internal state
+ *
+ * @privateRemarks
+ * Should **never** be directly instantiated.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoRuntimeError extends MongoDriverError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoRuntimeError';
+  }
+}
+
+/**
+ * An error generated when a batch command is re-executed after one of the commands in the batch
+ * has failed
+ *
+ * @public
+ * @category Error
+ */
+export class MongoBatchReExecutionError extends MongoAPIError {
+  constructor(message = 'This batch has already been executed, create new batch to execute') {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoBatchReExecutionError';
+  }
+}
+
+/**
+ * An error generated when the driver fails to decompress
+ * data received from the server.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoDecompressionError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoDecompressionError';
+  }
+}
+
+/**
+ * An error thrown when the user attempts to operate on a database or collection through a MongoClient
+ * that has not yet successfully called the "connect" method
+ *
+ * @public
+ * @category Error
+ */
+export class MongoNotConnectedError extends MongoAPIError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoNotConnectedError';
+  }
+}
+
+/**
+ * An error generated when the user makes a mistake in the usage of transactions.
+ * (e.g. attempting to commit a transaction with a readPreference other than primary)
+ *
+ * @public
+ * @category Error
+ */
+export class MongoTransactionError extends MongoAPIError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoTransactionError';
+  }
+}
+
+/**
+ * An error generated when the user attempts to operate
+ * on a session that has expired or has been closed.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoExpiredSessionError extends MongoAPIError {
+  constructor(message = 'Cannot use a session that has ended') {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoExpiredSessionError';
+  }
+}
+
+/**
+ * A error generated when the user attempts to authenticate
+ * via Kerberos, but fails to connect to the Kerberos client.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoKerberosError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoKerberosError';
+  }
+}
+
+/**
+ * A error generated when the user attempts to authenticate
+ * via AWS, but fails
+ *
+ * @public
+ * @category Error
+ */
+export class MongoAWSError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoAWSError';
+  }
+}
+
+/**
+ * An error generated when a ChangeStream operation fails to execute.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoChangeStreamError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoChangeStreamError';
+  }
+}
+
+/**
+ * An error thrown when the user calls a function or method not supported on a tailable cursor
+ *
+ * @public
+ * @category Error
+ */
+export class MongoTailableCursorError extends MongoAPIError {
+  constructor(message = 'Tailable cursor does not support this operation') {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoTailableCursorError';
+  }
+}
+
+/** An error generated when a GridFSStream operation fails to execute.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoGridFSStreamError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoGridFSStreamError';
+  }
+}
+
+/**
+ * An error generated when a malformed or invalid chunk is
+ * encountered when reading from a GridFSStream.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoGridFSChunkError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoGridFSChunkError';
+  }
+}
+
+/**
+ * An error generated when a **parsable** unexpected response comes from the server.
+ * This is generally an error where the driver in a state expecting a certain behavior to occur in
+ * the next message from MongoDB but it receives something else.
+ * This error **does not** represent an issue with wire message formatting.
+ *
+ * #### Example
+ * When an operation fails, it is the driver's job to retry it. It must perform serverSelection
+ * again to make sure that it attempts the operation against a server in a good state. If server
+ * selection returns a server that does not support retryable operations, this error is used.
+ * This scenario is unlikely as retryable support would also have been determined on the first attempt
+ * but it is possible the state change could report a selectable server that does not support retries.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoUnexpectedServerResponseError extends MongoRuntimeError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoUnexpectedServerResponseError';
+  }
+}
+
+/**
+ * An error thrown when the user attempts to add options to a cursor that has already been
+ * initialized
+ *
+ * @public
+ * @category Error
+ */
+export class MongoCursorInUseError extends MongoAPIError {
+  constructor(message = 'Cursor is already initialized') {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoCursorInUseError';
+  }
+}
+
+/**
+ * An error generated when an attempt is made to operate
+ * on a closed/closing server.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoServerClosedError extends MongoAPIError {
+  constructor(message = 'Server is closed') {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoServerClosedError';
+  }
+}
+
+/**
+ * An error thrown when an attempt is made to read from a cursor that has been exhausted
+ *
+ * @public
+ * @category Error
+ */
+export class MongoCursorExhaustedError extends MongoAPIError {
+  constructor(message?: string) {
+    super(message || 'Cursor is exhausted');
+  }
+
+  override get name(): string {
+    return 'MongoCursorExhaustedError';
+  }
+}
+
+/**
+ * An error generated when an attempt is made to operate on a
+ * dropped, or otherwise unavailable, database.
+ *
+ * @public
+ * @category Error
+ */
+export class MongoTopologyClosedError extends MongoAPIError {
+  constructor(message = 'Topology is closed') {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoTopologyClosedError';
+  }
+}
+
+/** @internal */
+const kBeforeHandshake = Symbol('beforeHandshake');
+export function isNetworkErrorBeforeHandshake(err: MongoNetworkError): boolean {
+  return err[kBeforeHandshake] === true;
+}
+
+/** @public */
+export interface MongoNetworkErrorOptions {
+  /** Indicates the timeout happened before a connection handshake completed */
+  beforeHandshake: boolean;
+}
+
+/**
+ * An error indicating an issue with the network, including TCP errors and timeouts.
+ * @public
+ * @category Error
+ */
+export class MongoNetworkError extends MongoError {
+  /** @internal */
+  [kBeforeHandshake]?: boolean;
+
+  constructor(message: string | Error, options?: MongoNetworkErrorOptions) {
+    super(message);
+
+    if (options && typeof options.beforeHandshake === 'boolean') {
+      this[kBeforeHandshake] = options.beforeHandshake;
+    }
+  }
+
+  override get name(): string {
+    return 'MongoNetworkError';
+  }
+}
+
+/**
+ * An error indicating a network timeout occurred
+ * @public
+ * @category Error
+ *
+ * @privateRemarks
+ * CSFLE has a dependency on this error with an instanceof check
+ */
+export class MongoNetworkTimeoutError extends MongoNetworkError {
+  constructor(message: string, options?: MongoNetworkErrorOptions) {
+    super(message, options);
+  }
+
+  override get name(): string {
+    return 'MongoNetworkTimeoutError';
+  }
+}
+
+/**
+ * An error used when attempting to parse a value (like a connection string)
+ * @public
+ * @category Error
+ */
+export class MongoParseError extends MongoDriverError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoParseError';
+  }
+}
+
+/**
+ * An error generated when the user supplies malformed or unexpected arguments
+ * or when a required argument or field is not provided.
+ *
+ *
+ * @public
+ * @category Error
+ */
+export class MongoInvalidArgumentError extends MongoAPIError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoInvalidArgumentError';
+  }
+}
+
+/**
+ * An error generated when a feature that is not enabled or allowed for the current server
+ * configuration is used
+ *
+ *
+ * @public
+ * @category Error
+ */
+export class MongoCompatibilityError extends MongoAPIError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoCompatibilityError';
+  }
+}
+
+/**
+ * An error generated when the user fails to provide authentication credentials before attempting
+ * to connect to a mongo server instance.
+ *
+ *
+ * @public
+ * @category Error
+ */
+export class MongoMissingCredentialsError extends MongoAPIError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoMissingCredentialsError';
+  }
+}
+
+/**
+ * An error generated when a required module or dependency is not present in the local environment
+ *
+ * @public
+ * @category Error
+ */
+export class MongoMissingDependencyError extends MongoAPIError {
+  constructor(message: string) {
+    super(message);
+  }
+
+  override get name(): string {
+    return 'MongoMissingDependencyError';
+  }
+}
+/**
+ * An error signifying a general system issue
+ * @public
+ * @category Error
+ */
+export class MongoSystemError extends MongoError {
+  /** An optional reason context, such as an error saved during flow of monitoring and selecting servers */
+  reason?: TopologyDescription;
+
+  constructor(message: string, reason: TopologyDescription) {
+    if (reason && reason.error) {
+      super(reason.error.message || reason.error);
+    } else {
+      super(message);
+    }
+
+    if (reason) {
+      this.reason = reason;
+    }
+
+    this.code = reason.error?.code;
+  }
+
+  override get name(): string {
+    return 'MongoSystemError';
+  }
+}
+
+/**
+ * An error signifying a client-side server selection error
+ * @public
+ * @category Error
+ */
+export class MongoServerSelectionError extends MongoSystemError {
+  constructor(message: string, reason: TopologyDescription) {
+    super(message, reason);
+  }
+
+  override get name(): string {
+    return 'MongoServerSelectionError';
+  }
+}
+
+function makeWriteConcernResultObject(input: any) {
+  const output = Object.assign({}, input);
+
+  if (output.ok === 0) {
+    output.ok = 1;
+    delete output.errmsg;
+    delete output.code;
+    delete output.codeName;
+  }
+
+  return output;
+}
+
+/**
+ * An error thrown when the server reports a writeConcernError
+ * @public
+ * @category Error
+ */
+export class MongoWriteConcernError extends MongoServerError {
+  /** The result document (provided if ok: 1) */
+  result?: Document;
+
+  constructor(message: ErrorDescription, result?: Document) {
+    if (result && Array.isArray(result.errorLabels)) {
+      message.errorLabels = result.errorLabels;
+    }
+
+    super(message);
+    this.errInfo = message.errInfo;
+
+    if (result != null) {
+      this.result = makeWriteConcernResultObject(result);
+    }
+  }
+
+  override get name(): string {
+    return 'MongoWriteConcernError';
+  }
+}
+
+// https://github.com/mongodb/specifications/blob/master/source/retryable-reads/retryable-reads.rst#retryable-error
+const RETRYABLE_READ_ERROR_CODES = new Set<number>([
+  MONGODB_ERROR_CODES.HostUnreachable,
+  MONGODB_ERROR_CODES.HostNotFound,
+  MONGODB_ERROR_CODES.NetworkTimeout,
+  MONGODB_ERROR_CODES.ShutdownInProgress,
+  MONGODB_ERROR_CODES.PrimarySteppedDown,
+  MONGODB_ERROR_CODES.SocketException,
+  MONGODB_ERROR_CODES.NotWritablePrimary,
+  MONGODB_ERROR_CODES.InterruptedAtShutdown,
+  MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
+  MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
+  MONGODB_ERROR_CODES.NotPrimaryOrSecondary
+]);
+
+// see: https://github.com/mongodb/specifications/blob/master/source/retryable-writes/retryable-writes.rst#terms
+const RETRYABLE_WRITE_ERROR_CODES = new Set<number>([
+  ...RETRYABLE_READ_ERROR_CODES,
+  MONGODB_ERROR_CODES.ExceededTimeLimit
+]);
+
+export function needsRetryableWriteLabel(error: Error, maxWireVersion: number): boolean {
+  // pre-4.4 server, then the driver adds an error label for every valid case
+  // execute operation will only inspect the label, code/message logic is handled here
+  if (error instanceof MongoNetworkError) {
+    return true;
+  }
+
+  if (error instanceof MongoError) {
+    if (
+      (maxWireVersion >= 9 || error.hasErrorLabel(MongoErrorLabel.RetryableWriteError)) &&
+      !error.hasErrorLabel(MongoErrorLabel.HandshakeError)
+    ) {
+      // If we already have the error label no need to add it again. 4.4+ servers add the label.
+      // In the case where we have a handshake error, need to fall down to the logic checking
+      // the codes.
+      return false;
+    }
+  }
+
+  if (error instanceof MongoWriteConcernError) {
+    return RETRYABLE_WRITE_ERROR_CODES.has(error.result?.code ?? error.code ?? 0);
+  }
+
+  if (error instanceof MongoError && typeof error.code === 'number') {
+    return RETRYABLE_WRITE_ERROR_CODES.has(error.code);
+  }
+
+  const isNotWritablePrimaryError = LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(error.message);
+  if (isNotWritablePrimaryError) {
+    return true;
+  }
+
+  const isNodeIsRecoveringError = NODE_IS_RECOVERING_ERROR_MESSAGE.test(error.message);
+  if (isNodeIsRecoveringError) {
+    return true;
+  }
+
+  return false;
+}
+
+export function isRetryableWriteError(error: MongoError): boolean {
+  return error.hasErrorLabel(MongoErrorLabel.RetryableWriteError);
+}
+
+/** Determines whether an error is something the driver should attempt to retry */
+export function isRetryableReadError(error: MongoError): boolean {
+  const hasRetryableErrorCode =
+    typeof error.code === 'number' ? RETRYABLE_READ_ERROR_CODES.has(error.code) : false;
+  if (hasRetryableErrorCode) {
+    return true;
+  }
+
+  if (error instanceof MongoNetworkError) {
+    return true;
+  }
+
+  const isNotWritablePrimaryError = LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(error.message);
+  if (isNotWritablePrimaryError) {
+    return true;
+  }
+
+  const isNodeIsRecoveringError = NODE_IS_RECOVERING_ERROR_MESSAGE.test(error.message);
+  if (isNodeIsRecoveringError) {
+    return true;
+  }
+
+  return false;
+}
+
+const SDAM_RECOVERING_CODES = new Set<number>([
+  MONGODB_ERROR_CODES.ShutdownInProgress,
+  MONGODB_ERROR_CODES.PrimarySteppedDown,
+  MONGODB_ERROR_CODES.InterruptedAtShutdown,
+  MONGODB_ERROR_CODES.InterruptedDueToReplStateChange,
+  MONGODB_ERROR_CODES.NotPrimaryOrSecondary
+]);
+
+const SDAM_NOT_PRIMARY_CODES = new Set<number>([
+  MONGODB_ERROR_CODES.NotWritablePrimary,
+  MONGODB_ERROR_CODES.NotPrimaryNoSecondaryOk,
+  MONGODB_ERROR_CODES.LegacyNotPrimary
+]);
+
+const SDAM_NODE_SHUTTING_DOWN_ERROR_CODES = new Set<number>([
+  MONGODB_ERROR_CODES.InterruptedAtShutdown,
+  MONGODB_ERROR_CODES.ShutdownInProgress
+]);
+
+function isRecoveringError(err: MongoError) {
+  if (typeof err.code === 'number') {
+    // If any error code exists, we ignore the error.message
+    return SDAM_RECOVERING_CODES.has(err.code);
+  }
+
+  return (
+    LEGACY_NOT_PRIMARY_OR_SECONDARY_ERROR_MESSAGE.test(err.message) ||
+    NODE_IS_RECOVERING_ERROR_MESSAGE.test(err.message)
+  );
+}
+
+function isNotWritablePrimaryError(err: MongoError) {
+  if (typeof err.code === 'number') {
+    // If any error code exists, we ignore the error.message
+    return SDAM_NOT_PRIMARY_CODES.has(err.code);
+  }
+
+  if (isRecoveringError(err)) {
+    return false;
+  }
+
+  return LEGACY_NOT_WRITABLE_PRIMARY_ERROR_MESSAGE.test(err.message);
+}
+
+export function isNodeShuttingDownError(err: MongoError): boolean {
+  return !!(typeof err.code === 'number' && SDAM_NODE_SHUTTING_DOWN_ERROR_CODES.has(err.code));
+}
+
+/**
+ * Determines whether SDAM can recover from a given error. If it cannot
+ * then the pool will be cleared, and server state will completely reset
+ * locally.
+ *
+ * @see https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#not-master-and-node-is-recovering
+ */
+export function isSDAMUnrecoverableError(error: MongoError): boolean {
+  // NOTE: null check is here for a strictly pre-CMAP world, a timeout or
+  //       close event are considered unrecoverable
+  if (error instanceof MongoParseError || error == null) {
+    return true;
+  }
+
+  return isRecoveringError(error) || isNotWritablePrimaryError(error);
+}
+
+export function isNetworkTimeoutError(err: MongoError): err is MongoNetworkError {
+  return !!(err instanceof MongoNetworkError && err.message.match(/timed out/));
+}
+
+export function isResumableError(error?: Error, wireVersion?: number): boolean {
+  if (error == null || !(error instanceof MongoError)) {
+    return false;
+  }
+
+  if (error instanceof MongoNetworkError) {
+    return true;
+  }
+
+  if (wireVersion != null && wireVersion >= 9) {
+    // DRIVERS-1308: For 4.4 drivers running against 4.4 servers, drivers will add a special case to treat the CursorNotFound error code as resumable
+    if (error.code === MONGODB_ERROR_CODES.CursorNotFound) {
+      return true;
+    }
+    return error.hasErrorLabel(MongoErrorLabel.ResumableChangeStreamError);
+  }
+
+  if (typeof error.code === 'number') {
+    return GET_MORE_RESUMABLE_CODES.has(error.code);
+  }
+
+  return false;
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/explain.ts b/node_modules/mongoose/node_modules/mongodb/src/explain.ts
new file mode 100644
index 000000000..0d08e694a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/explain.ts
@@ -0,0 +1,52 @@
+import { MongoInvalidArgumentError } from './error';
+
+/** @public */
+export const ExplainVerbosity = Object.freeze({
+  queryPlanner: 'queryPlanner',
+  queryPlannerExtended: 'queryPlannerExtended',
+  executionStats: 'executionStats',
+  allPlansExecution: 'allPlansExecution'
+} as const);
+
+/** @public */
+export type ExplainVerbosity = string;
+
+/**
+ * For backwards compatibility, true is interpreted as "allPlansExecution"
+ * and false as "queryPlanner". Prior to server version 3.6, aggregate()
+ * ignores the verbosity parameter and executes in "queryPlanner".
+ * @public
+ */
+export type ExplainVerbosityLike = ExplainVerbosity | boolean;
+
+/** @public */
+export interface ExplainOptions {
+  /** Specifies the verbosity mode for the explain output. */
+  explain?: ExplainVerbosityLike;
+}
+
+/** @internal */
+export class Explain {
+  verbosity: ExplainVerbosity;
+
+  constructor(verbosity: ExplainVerbosityLike) {
+    if (typeof verbosity === 'boolean') {
+      this.verbosity = verbosity
+        ? ExplainVerbosity.allPlansExecution
+        : ExplainVerbosity.queryPlanner;
+    } else {
+      this.verbosity = verbosity;
+    }
+  }
+
+  static fromOptions(options?: ExplainOptions): Explain | undefined {
+    if (options?.explain == null) return;
+
+    const explain = options.explain;
+    if (typeof explain === 'boolean' || typeof explain === 'string') {
+      return new Explain(explain);
+    }
+
+    throw new MongoInvalidArgumentError('Field "explain" must be a string or a boolean');
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/gridfs/download.ts b/node_modules/mongoose/node_modules/mongodb/src/gridfs/download.ts
new file mode 100644
index 000000000..a13cdac39
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/gridfs/download.ts
@@ -0,0 +1,458 @@
+import { Readable } from 'stream';
+
+import type { Document, ObjectId } from '../bson';
+import type { Collection } from '../collection';
+import type { FindCursor } from '../cursor/find_cursor';
+import {
+  MongoGridFSChunkError,
+  MongoGridFSStreamError,
+  MongoInvalidArgumentError,
+  MongoRuntimeError
+} from '../error';
+import type { FindOptions } from '../operations/find';
+import type { ReadPreference } from '../read_preference';
+import type { Sort } from '../sort';
+import type { Callback } from '../utils';
+import type { GridFSChunk } from './upload';
+
+/** @public */
+export interface GridFSBucketReadStreamOptions {
+  sort?: Sort;
+  skip?: number;
+  /** 0-based offset in bytes to start streaming from */
+  start?: number;
+  /** 0-based offset in bytes to stop streaming before */
+  end?: number;
+}
+
+/** @public */
+export interface GridFSBucketReadStreamOptionsWithRevision extends GridFSBucketReadStreamOptions {
+  /** The revision number relative to the oldest file with the given filename. 0
+   * gets you the oldest file, 1 gets you the 2nd oldest, -1 gets you the
+   * newest. */
+  revision?: number;
+}
+
+/** @public */
+export interface GridFSFile {
+  _id: ObjectId;
+  length: number;
+  chunkSize: number;
+  filename: string;
+  contentType?: string;
+  aliases?: string[];
+  metadata?: Document;
+  uploadDate: Date;
+}
+
+/** @internal */
+export interface GridFSBucketReadStreamPrivate {
+  bytesRead: number;
+  bytesToTrim: number;
+  bytesToSkip: number;
+  chunks: Collection<GridFSChunk>;
+  cursor?: FindCursor<GridFSChunk>;
+  expected: number;
+  files: Collection<GridFSFile>;
+  filter: Document;
+  init: boolean;
+  expectedEnd: number;
+  file?: GridFSFile;
+  options: {
+    sort?: Sort;
+    skip?: number;
+    start: number;
+    end: number;
+  };
+  readPreference?: ReadPreference;
+}
+
+/**
+ * A readable stream that enables you to read buffers from GridFS.
+ *
+ * Do not instantiate this class directly. Use `openDownloadStream()` instead.
+ * @public
+ */
+export class GridFSBucketReadStream extends Readable implements NodeJS.ReadableStream {
+  /** @internal */
+  s: GridFSBucketReadStreamPrivate;
+
+  /**
+   * An error occurred
+   * @event
+   */
+  static readonly ERROR = 'error' as const;
+  /**
+   * Fires when the stream loaded the file document corresponding to the provided id.
+   * @event
+   */
+  static readonly FILE = 'file' as const;
+  /**
+   * Emitted when a chunk of data is available to be consumed.
+   * @event
+   */
+  static readonly DATA = 'data' as const;
+  /**
+   * Fired when the stream is exhausted (no more data events).
+   * @event
+   */
+  static readonly END = 'end' as const;
+  /**
+   * Fired when the stream is exhausted and the underlying cursor is killed
+   * @event
+   */
+  static readonly CLOSE = 'close' as const;
+
+  /** @internal
+   * @param chunks - Handle for chunks collection
+   * @param files - Handle for files collection
+   * @param readPreference - The read preference to use
+   * @param filter - The filter to use to find the file document
+   */
+  constructor(
+    chunks: Collection<GridFSChunk>,
+    files: Collection<GridFSFile>,
+    readPreference: ReadPreference | undefined,
+    filter: Document,
+    options?: GridFSBucketReadStreamOptions
+  ) {
+    super();
+    this.s = {
+      bytesToTrim: 0,
+      bytesToSkip: 0,
+      bytesRead: 0,
+      chunks,
+      expected: 0,
+      files,
+      filter,
+      init: false,
+      expectedEnd: 0,
+      options: {
+        start: 0,
+        end: 0,
+        ...options
+      },
+      readPreference
+    };
+  }
+
+  /**
+   * Reads from the cursor and pushes to the stream.
+   * Private Impl, do not call directly
+   * @internal
+   */
+  override _read(): void {
+    if (this.destroyed) return;
+    waitForFile(this, () => doRead(this));
+  }
+
+  /**
+   * Sets the 0-based offset in bytes to start streaming from. Throws
+   * an error if this stream has entered flowing mode
+   * (e.g. if you've already called `on('data')`)
+   *
+   * @param start - 0-based offset in bytes to start streaming from
+   */
+  start(start = 0): this {
+    throwIfInitialized(this);
+    this.s.options.start = start;
+    return this;
+  }
+
+  /**
+   * Sets the 0-based offset in bytes to start streaming from. Throws
+   * an error if this stream has entered flowing mode
+   * (e.g. if you've already called `on('data')`)
+   *
+   * @param end - Offset in bytes to stop reading at
+   */
+  end(end = 0): this {
+    throwIfInitialized(this);
+    this.s.options.end = end;
+    return this;
+  }
+
+  /**
+   * Marks this stream as aborted (will never push another `data` event)
+   * and kills the underlying cursor. Will emit the 'end' event, and then
+   * the 'close' event once the cursor is successfully killed.
+   *
+   * @param callback - called when the cursor is successfully closed or an error occurred.
+   */
+  abort(callback?: Callback<void>): void {
+    this.push(null);
+    this.destroyed = true;
+    if (this.s.cursor) {
+      this.s.cursor.close(error => {
+        this.emit(GridFSBucketReadStream.CLOSE);
+        callback && callback(error);
+      });
+    } else {
+      if (!this.s.init) {
+        // If not initialized, fire close event because we will never
+        // get a cursor
+        this.emit(GridFSBucketReadStream.CLOSE);
+      }
+      callback && callback();
+    }
+  }
+}
+
+function throwIfInitialized(stream: GridFSBucketReadStream): void {
+  if (stream.s.init) {
+    throw new MongoGridFSStreamError('Options cannot be changed after the stream is initialized');
+  }
+}
+
+function doRead(stream: GridFSBucketReadStream): void {
+  if (stream.destroyed) return;
+  if (!stream.s.cursor) return;
+  if (!stream.s.file) return;
+
+  stream.s.cursor.next((error, doc) => {
+    if (stream.destroyed) {
+      return;
+    }
+    if (error) {
+      stream.emit(GridFSBucketReadStream.ERROR, error);
+      return;
+    }
+    if (!doc) {
+      stream.push(null);
+
+      process.nextTick(() => {
+        if (!stream.s.cursor) return;
+        stream.s.cursor.close(error => {
+          if (error) {
+            stream.emit(GridFSBucketReadStream.ERROR, error);
+            return;
+          }
+
+          stream.emit(GridFSBucketReadStream.CLOSE);
+        });
+      });
+
+      return;
+    }
+
+    if (!stream.s.file) return;
+
+    const bytesRemaining = stream.s.file.length - stream.s.bytesRead;
+    const expectedN = stream.s.expected++;
+    const expectedLength = Math.min(stream.s.file.chunkSize, bytesRemaining);
+    if (doc.n > expectedN) {
+      return stream.emit(
+        GridFSBucketReadStream.ERROR,
+        new MongoGridFSChunkError(
+          `ChunkIsMissing: Got unexpected n: ${doc.n}, expected: ${expectedN}`
+        )
+      );
+    }
+
+    if (doc.n < expectedN) {
+      return stream.emit(
+        GridFSBucketReadStream.ERROR,
+        new MongoGridFSChunkError(`ExtraChunk: Got unexpected n: ${doc.n}, expected: ${expectedN}`)
+      );
+    }
+
+    let buf = Buffer.isBuffer(doc.data) ? doc.data : doc.data.buffer;
+
+    if (buf.byteLength !== expectedLength) {
+      if (bytesRemaining <= 0) {
+        return stream.emit(
+          GridFSBucketReadStream.ERROR,
+          new MongoGridFSChunkError(
+            `ExtraChunk: Got unexpected n: ${doc.n}, expected file length ${stream.s.file.length} bytes but already read ${stream.s.bytesRead} bytes`
+          )
+        );
+      }
+
+      return stream.emit(
+        GridFSBucketReadStream.ERROR,
+        new MongoGridFSChunkError(
+          `ChunkIsWrongSize: Got unexpected length: ${buf.byteLength}, expected: ${expectedLength}`
+        )
+      );
+    }
+
+    stream.s.bytesRead += buf.byteLength;
+
+    if (buf.byteLength === 0) {
+      return stream.push(null);
+    }
+
+    let sliceStart = null;
+    let sliceEnd = null;
+
+    if (stream.s.bytesToSkip != null) {
+      sliceStart = stream.s.bytesToSkip;
+      stream.s.bytesToSkip = 0;
+    }
+
+    const atEndOfStream = expectedN === stream.s.expectedEnd - 1;
+    const bytesLeftToRead = stream.s.options.end - stream.s.bytesToSkip;
+    if (atEndOfStream && stream.s.bytesToTrim != null) {
+      sliceEnd = stream.s.file.chunkSize - stream.s.bytesToTrim;
+    } else if (stream.s.options.end && bytesLeftToRead < doc.data.byteLength) {
+      sliceEnd = bytesLeftToRead;
+    }
+
+    if (sliceStart != null || sliceEnd != null) {
+      buf = buf.slice(sliceStart || 0, sliceEnd || buf.byteLength);
+    }
+
+    stream.push(buf);
+    return;
+  });
+}
+
+function init(stream: GridFSBucketReadStream): void {
+  const findOneOptions: FindOptions = {};
+  if (stream.s.readPreference) {
+    findOneOptions.readPreference = stream.s.readPreference;
+  }
+  if (stream.s.options && stream.s.options.sort) {
+    findOneOptions.sort = stream.s.options.sort;
+  }
+  if (stream.s.options && stream.s.options.skip) {
+    findOneOptions.skip = stream.s.options.skip;
+  }
+
+  stream.s.files.findOne(stream.s.filter, findOneOptions, (error, doc) => {
+    if (error) {
+      return stream.emit(GridFSBucketReadStream.ERROR, error);
+    }
+
+    if (!doc) {
+      const identifier = stream.s.filter._id
+        ? stream.s.filter._id.toString()
+        : stream.s.filter.filename;
+      const errmsg = `FileNotFound: file ${identifier} was not found`;
+      // TODO(NODE-3483)
+      const err = new MongoRuntimeError(errmsg);
+      err.code = 'ENOENT'; // TODO: NODE-3338 set property as part of constructor
+      return stream.emit(GridFSBucketReadStream.ERROR, err);
+    }
+
+    // If document is empty, kill the stream immediately and don't
+    // execute any reads
+    if (doc.length <= 0) {
+      stream.push(null);
+      return;
+    }
+
+    if (stream.destroyed) {
+      // If user destroys the stream before we have a cursor, wait
+      // until the query is done to say we're 'closed' because we can't
+      // cancel a query.
+      stream.emit(GridFSBucketReadStream.CLOSE);
+      return;
+    }
+
+    try {
+      stream.s.bytesToSkip = handleStartOption(stream, doc, stream.s.options);
+    } catch (error) {
+      return stream.emit(GridFSBucketReadStream.ERROR, error);
+    }
+
+    const filter: Document = { files_id: doc._id };
+
+    // Currently (MongoDB 3.4.4) skip function does not support the index,
+    // it needs to retrieve all the documents first and then skip them. (CS-25811)
+    // As work around we use $gte on the "n" field.
+    if (stream.s.options && stream.s.options.start != null) {
+      const skip = Math.floor(stream.s.options.start / doc.chunkSize);
+      if (skip > 0) {
+        filter['n'] = { $gte: skip };
+      }
+    }
+    stream.s.cursor = stream.s.chunks.find(filter).sort({ n: 1 });
+
+    if (stream.s.readPreference) {
+      stream.s.cursor.withReadPreference(stream.s.readPreference);
+    }
+
+    stream.s.expectedEnd = Math.ceil(doc.length / doc.chunkSize);
+    stream.s.file = doc as GridFSFile;
+
+    try {
+      stream.s.bytesToTrim = handleEndOption(stream, doc, stream.s.cursor, stream.s.options);
+    } catch (error) {
+      return stream.emit(GridFSBucketReadStream.ERROR, error);
+    }
+
+    stream.emit(GridFSBucketReadStream.FILE, doc);
+    return;
+  });
+}
+
+function waitForFile(stream: GridFSBucketReadStream, callback: Callback): void {
+  if (stream.s.file) {
+    return callback();
+  }
+
+  if (!stream.s.init) {
+    init(stream);
+    stream.s.init = true;
+  }
+
+  stream.once('file', () => {
+    callback();
+  });
+}
+
+function handleStartOption(
+  stream: GridFSBucketReadStream,
+  doc: Document,
+  options: GridFSBucketReadStreamOptions
+): number {
+  if (options && options.start != null) {
+    if (options.start > doc.length) {
+      throw new MongoInvalidArgumentError(
+        `Stream start (${options.start}) must not be more than the length of the file (${doc.length})`
+      );
+    }
+    if (options.start < 0) {
+      throw new MongoInvalidArgumentError(`Stream start (${options.start}) must not be negative`);
+    }
+    if (options.end != null && options.end < options.start) {
+      throw new MongoInvalidArgumentError(
+        `Stream start (${options.start}) must not be greater than stream end (${options.end})`
+      );
+    }
+
+    stream.s.bytesRead = Math.floor(options.start / doc.chunkSize) * doc.chunkSize;
+    stream.s.expected = Math.floor(options.start / doc.chunkSize);
+
+    return options.start - stream.s.bytesRead;
+  }
+  throw new MongoInvalidArgumentError('Start option must be defined');
+}
+
+function handleEndOption(
+  stream: GridFSBucketReadStream,
+  doc: Document,
+  cursor: FindCursor<GridFSChunk>,
+  options: GridFSBucketReadStreamOptions
+) {
+  if (options && options.end != null) {
+    if (options.end > doc.length) {
+      throw new MongoInvalidArgumentError(
+        `Stream end (${options.end}) must not be more than the length of the file (${doc.length})`
+      );
+    }
+    if (options.start == null || options.start < 0) {
+      throw new MongoInvalidArgumentError(`Stream end (${options.end}) must not be negative`);
+    }
+
+    const start = options.start != null ? Math.floor(options.start / doc.chunkSize) : 0;
+
+    cursor.limit(Math.ceil(options.end / doc.chunkSize) - start);
+
+    stream.s.expectedEnd = Math.ceil(options.end / doc.chunkSize);
+
+    return Math.ceil(options.end / doc.chunkSize) * doc.chunkSize - options.end;
+  }
+  throw new MongoInvalidArgumentError('End option must be defined');
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/gridfs/index.ts b/node_modules/mongoose/node_modules/mongodb/src/gridfs/index.ts
new file mode 100644
index 000000000..a2a1c3dcc
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/gridfs/index.ts
@@ -0,0 +1,257 @@
+import type { ObjectId } from '../bson';
+import type { Collection } from '../collection';
+import type { FindCursor } from '../cursor/find_cursor';
+import type { Db } from '../db';
+import { MongoRuntimeError } from '../error';
+import type { Logger } from '../logger';
+import { Filter, TypedEventEmitter } from '../mongo_types';
+import type { ReadPreference } from '../read_preference';
+import type { Sort } from '../sort';
+import { Callback, maybePromise } from '../utils';
+import { WriteConcern, WriteConcernOptions } from '../write_concern';
+import type { FindOptions } from './../operations/find';
+import {
+  GridFSBucketReadStream,
+  GridFSBucketReadStreamOptions,
+  GridFSBucketReadStreamOptionsWithRevision,
+  GridFSFile
+} from './download';
+import { GridFSBucketWriteStream, GridFSBucketWriteStreamOptions, GridFSChunk } from './upload';
+
+const DEFAULT_GRIDFS_BUCKET_OPTIONS: {
+  bucketName: string;
+  chunkSizeBytes: number;
+} = {
+  bucketName: 'fs',
+  chunkSizeBytes: 255 * 1024
+};
+
+/** @public */
+export interface GridFSBucketOptions extends WriteConcernOptions {
+  /** The 'files' and 'chunks' collections will be prefixed with the bucket name followed by a dot. */
+  bucketName?: string;
+  /** Number of bytes stored in each chunk. Defaults to 255KB */
+  chunkSizeBytes?: number;
+  /** Read preference to be passed to read operations */
+  readPreference?: ReadPreference;
+}
+
+/** @internal */
+export interface GridFSBucketPrivate {
+  db: Db;
+  options: {
+    bucketName: string;
+    chunkSizeBytes: number;
+    readPreference?: ReadPreference;
+    writeConcern: WriteConcern | undefined;
+  };
+  _chunksCollection: Collection<GridFSChunk>;
+  _filesCollection: Collection<GridFSFile>;
+  checkedIndexes: boolean;
+  calledOpenUploadStream: boolean;
+}
+
+/** @public */
+export type GridFSBucketEvents = {
+  index(): void;
+};
+
+/**
+ * Constructor for a streaming GridFS interface
+ * @public
+ */
+export class GridFSBucket extends TypedEventEmitter<GridFSBucketEvents> {
+  /** @internal */
+  s: GridFSBucketPrivate;
+
+  /**
+   * When the first call to openUploadStream is made, the upload stream will
+   * check to see if it needs to create the proper indexes on the chunks and
+   * files collections. This event is fired either when 1) it determines that
+   * no index creation is necessary, 2) when it successfully creates the
+   * necessary indexes.
+   * @event
+   */
+  static readonly INDEX = 'index' as const;
+
+  constructor(db: Db, options?: GridFSBucketOptions) {
+    super();
+    this.setMaxListeners(0);
+    const privateOptions = {
+      ...DEFAULT_GRIDFS_BUCKET_OPTIONS,
+      ...options,
+      writeConcern: WriteConcern.fromOptions(options)
+    };
+    this.s = {
+      db,
+      options: privateOptions,
+      _chunksCollection: db.collection<GridFSChunk>(privateOptions.bucketName + '.chunks'),
+      _filesCollection: db.collection<GridFSFile>(privateOptions.bucketName + '.files'),
+      checkedIndexes: false,
+      calledOpenUploadStream: false
+    };
+  }
+
+  /**
+   * Returns a writable stream (GridFSBucketWriteStream) for writing
+   * buffers to GridFS. The stream's 'id' property contains the resulting
+   * file's id.
+   *
+   * @param filename - The value of the 'filename' key in the files doc
+   * @param options - Optional settings.
+   */
+
+  openUploadStream(
+    filename: string,
+    options?: GridFSBucketWriteStreamOptions
+  ): GridFSBucketWriteStream {
+    return new GridFSBucketWriteStream(this, filename, options);
+  }
+
+  /**
+   * Returns a writable stream (GridFSBucketWriteStream) for writing
+   * buffers to GridFS for a custom file id. The stream's 'id' property contains the resulting
+   * file's id.
+   */
+  openUploadStreamWithId(
+    id: ObjectId,
+    filename: string,
+    options?: GridFSBucketWriteStreamOptions
+  ): GridFSBucketWriteStream {
+    return new GridFSBucketWriteStream(this, filename, { ...options, id });
+  }
+
+  /** Returns a readable stream (GridFSBucketReadStream) for streaming file data from GridFS. */
+  openDownloadStream(
+    id: ObjectId,
+    options?: GridFSBucketReadStreamOptions
+  ): GridFSBucketReadStream {
+    return new GridFSBucketReadStream(
+      this.s._chunksCollection,
+      this.s._filesCollection,
+      this.s.options.readPreference,
+      { _id: id },
+      options
+    );
+  }
+
+  /**
+   * Deletes a file with the given id
+   *
+   * @param id - The id of the file doc
+   */
+  delete(id: ObjectId): Promise<void>;
+  delete(id: ObjectId, callback: Callback<void>): void;
+  delete(id: ObjectId, callback?: Callback<void>): Promise<void> | void {
+    return maybePromise(callback, callback => {
+      return this.s._filesCollection.deleteOne({ _id: id }, (error, res) => {
+        if (error) {
+          return callback(error);
+        }
+
+        return this.s._chunksCollection.deleteMany({ files_id: id }, error => {
+          if (error) {
+            return callback(error);
+          }
+
+          // Delete orphaned chunks before returning FileNotFound
+          if (!res?.deletedCount) {
+            // TODO(NODE-3483): Replace with more appropriate error
+            // Consider creating new error MongoGridFSFileNotFoundError
+            return callback(new MongoRuntimeError(`File not found for id ${id}`));
+          }
+
+          return callback();
+        });
+      });
+    });
+  }
+
+  /** Convenience wrapper around find on the files collection */
+  find(filter?: Filter<GridFSFile>, options?: FindOptions): FindCursor<GridFSFile> {
+    filter ??= {};
+    options = options ?? {};
+    return this.s._filesCollection.find(filter, options);
+  }
+
+  /**
+   * Returns a readable stream (GridFSBucketReadStream) for streaming the
+   * file with the given name from GridFS. If there are multiple files with
+   * the same name, this will stream the most recent file with the given name
+   * (as determined by the `uploadDate` field). You can set the `revision`
+   * option to change this behavior.
+   */
+  openDownloadStreamByName(
+    filename: string,
+    options?: GridFSBucketReadStreamOptionsWithRevision
+  ): GridFSBucketReadStream {
+    let sort: Sort = { uploadDate: -1 };
+    let skip = undefined;
+    if (options && options.revision != null) {
+      if (options.revision >= 0) {
+        sort = { uploadDate: 1 };
+        skip = options.revision;
+      } else {
+        skip = -options.revision - 1;
+      }
+    }
+    return new GridFSBucketReadStream(
+      this.s._chunksCollection,
+      this.s._filesCollection,
+      this.s.options.readPreference,
+      { filename },
+      { ...options, sort, skip }
+    );
+  }
+
+  /**
+   * Renames the file with the given _id to the given string
+   *
+   * @param id - the id of the file to rename
+   * @param filename - new name for the file
+   */
+  rename(id: ObjectId, filename: string): Promise<void>;
+  rename(id: ObjectId, filename: string, callback: Callback<void>): void;
+  rename(id: ObjectId, filename: string, callback?: Callback<void>): Promise<void> | void {
+    return maybePromise(callback, callback => {
+      const filter = { _id: id };
+      const update = { $set: { filename } };
+      return this.s._filesCollection.updateOne(filter, update, (error?, res?) => {
+        if (error) {
+          return callback(error);
+        }
+
+        if (!res?.matchedCount) {
+          return callback(new MongoRuntimeError(`File with id ${id} not found`));
+        }
+
+        return callback();
+      });
+    });
+  }
+
+  /** Removes this bucket's files collection, followed by its chunks collection. */
+  drop(): Promise<void>;
+  drop(callback: Callback<void>): void;
+  drop(callback?: Callback<void>): Promise<void> | void {
+    return maybePromise(callback, callback => {
+      return this.s._filesCollection.drop(error => {
+        if (error) {
+          return callback(error);
+        }
+        return this.s._chunksCollection.drop(error => {
+          if (error) {
+            return callback(error);
+          }
+
+          return callback();
+        });
+      });
+    });
+  }
+
+  /** Get the Db scoped logger. */
+  getLogger(): Logger {
+    return this.s.db.s.logger;
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/gridfs/upload.ts b/node_modules/mongoose/node_modules/mongodb/src/gridfs/upload.ts
new file mode 100644
index 000000000..ae0d67899
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/gridfs/upload.ts
@@ -0,0 +1,566 @@
+import { Writable } from 'stream';
+
+import type { Document } from '../bson';
+import { ObjectId } from '../bson';
+import type { Collection } from '../collection';
+import { AnyError, MongoAPIError, MONGODB_ERROR_CODES, MongoError } from '../error';
+import { Callback, maybePromise } from '../utils';
+import type { WriteConcernOptions } from '../write_concern';
+import { WriteConcern } from './../write_concern';
+import type { GridFSFile } from './download';
+import type { GridFSBucket } from './index';
+
+/** @public */
+export interface GridFSChunk {
+  _id: ObjectId;
+  files_id: ObjectId;
+  n: number;
+  data: Buffer | Uint8Array;
+}
+
+/** @public */
+export interface GridFSBucketWriteStreamOptions extends WriteConcernOptions {
+  /** Overwrite this bucket's chunkSizeBytes for this file */
+  chunkSizeBytes?: number;
+  /** Custom file id for the GridFS file. */
+  id?: ObjectId;
+  /** Object to store in the file document's `metadata` field */
+  metadata?: Document;
+  /** String to store in the file document's `contentType` field */
+  contentType?: string;
+  /** Array of strings to store in the file document's `aliases` field */
+  aliases?: string[];
+}
+
+/**
+ * A writable stream that enables you to write buffers to GridFS.
+ *
+ * Do not instantiate this class directly. Use `openUploadStream()` instead.
+ * @public
+ */
+export class GridFSBucketWriteStream extends Writable implements NodeJS.WritableStream {
+  bucket: GridFSBucket;
+  chunks: Collection<GridFSChunk>;
+  filename: string;
+  files: Collection<GridFSFile>;
+  options: GridFSBucketWriteStreamOptions;
+  done: boolean;
+  id: ObjectId;
+  chunkSizeBytes: number;
+  bufToStore: Buffer;
+  length: number;
+  n: number;
+  pos: number;
+  state: {
+    streamEnd: boolean;
+    outstandingRequests: number;
+    errored: boolean;
+    aborted: boolean;
+  };
+  writeConcern?: WriteConcern;
+
+  /** @event */
+  static readonly CLOSE = 'close';
+  /** @event */
+  static readonly ERROR = 'error';
+  /**
+   * `end()` was called and the write stream successfully wrote the file metadata and all the chunks to MongoDB.
+   * @event
+   */
+  static readonly FINISH = 'finish';
+
+  /** @internal
+   * @param bucket - Handle for this stream's corresponding bucket
+   * @param filename - The value of the 'filename' key in the files doc
+   * @param options - Optional settings.
+   */
+  constructor(bucket: GridFSBucket, filename: string, options?: GridFSBucketWriteStreamOptions) {
+    super();
+
+    options = options ?? {};
+    this.bucket = bucket;
+    this.chunks = bucket.s._chunksCollection;
+    this.filename = filename;
+    this.files = bucket.s._filesCollection;
+    this.options = options;
+    this.writeConcern = WriteConcern.fromOptions(options) || bucket.s.options.writeConcern;
+    // Signals the write is all done
+    this.done = false;
+
+    this.id = options.id ? options.id : new ObjectId();
+    // properly inherit the default chunksize from parent
+    this.chunkSizeBytes = options.chunkSizeBytes || this.bucket.s.options.chunkSizeBytes;
+    this.bufToStore = Buffer.alloc(this.chunkSizeBytes);
+    this.length = 0;
+    this.n = 0;
+    this.pos = 0;
+    this.state = {
+      streamEnd: false,
+      outstandingRequests: 0,
+      errored: false,
+      aborted: false
+    };
+
+    if (!this.bucket.s.calledOpenUploadStream) {
+      this.bucket.s.calledOpenUploadStream = true;
+
+      checkIndexes(this, () => {
+        this.bucket.s.checkedIndexes = true;
+        this.bucket.emit('index');
+      });
+    }
+  }
+
+  /**
+   * Write a buffer to the stream.
+   *
+   * @param chunk - Buffer to write
+   * @param encodingOrCallback - Optional encoding for the buffer
+   * @param callback - Function to call when the chunk was added to the buffer, or if the entire chunk was persisted to MongoDB if this chunk caused a flush.
+   * @returns False if this write required flushing a chunk to MongoDB. True otherwise.
+   */
+  override write(chunk: Buffer | string): boolean;
+  override write(chunk: Buffer | string, callback: Callback<void>): boolean;
+  override write(chunk: Buffer | string, encoding: BufferEncoding | undefined): boolean;
+  override write(
+    chunk: Buffer | string,
+    encoding: BufferEncoding | undefined,
+    callback: Callback<void>
+  ): boolean;
+  override write(
+    chunk: Buffer | string,
+    encodingOrCallback?: Callback<void> | BufferEncoding,
+    callback?: Callback<void>
+  ): boolean {
+    const encoding = typeof encodingOrCallback === 'function' ? undefined : encodingOrCallback;
+    callback = typeof encodingOrCallback === 'function' ? encodingOrCallback : callback;
+    return waitForIndexes(this, () => doWrite(this, chunk, encoding, callback));
+  }
+
+  // TODO(NODE-3405): Refactor this with maybePromise and MongoStreamClosedError
+  /**
+   * Places this write stream into an aborted state (all future writes fail)
+   * and deletes all chunks that have already been written.
+   *
+   * @param callback - called when chunks are successfully removed or error occurred
+   */
+  abort(): Promise<void>;
+  abort(callback: Callback<void>): void;
+  abort(callback?: Callback<void>): Promise<void> | void {
+    return maybePromise(callback, callback => {
+      if (this.state.streamEnd) {
+        // TODO(NODE-3485): Replace with MongoGridFSStreamClosed
+        return callback(new MongoAPIError('Cannot abort a stream that has already completed'));
+      }
+
+      if (this.state.aborted) {
+        // TODO(NODE-3485): Replace with MongoGridFSStreamClosed
+        return callback(new MongoAPIError('Cannot call abort() on a stream twice'));
+      }
+
+      this.state.aborted = true;
+      this.chunks.deleteMany({ files_id: this.id }, error => callback(error));
+    });
+  }
+
+  /**
+   * Tells the stream that no more data will be coming in. The stream will
+   * persist the remaining data to MongoDB, write the files document, and
+   * then emit a 'finish' event.
+   *
+   * @param chunk - Buffer to write
+   * @param encoding - Optional encoding for the buffer
+   * @param callback - Function to call when all files and chunks have been persisted to MongoDB
+   */
+  override end(): this;
+  override end(chunk: Buffer): this;
+  override end(callback: Callback<GridFSFile | void>): this;
+  override end(chunk: Buffer, callback: Callback<GridFSFile | void>): this;
+  override end(chunk: Buffer, encoding: BufferEncoding): this;
+  override end(
+    chunk: Buffer,
+    encoding: BufferEncoding | undefined,
+    callback: Callback<GridFSFile | void>
+  ): this;
+  override end(
+    chunkOrCallback?: Buffer | Callback<GridFSFile | void>,
+    encodingOrCallback?: BufferEncoding | Callback<GridFSFile | void>,
+    callback?: Callback<GridFSFile | void>
+  ): this {
+    const chunk = typeof chunkOrCallback === 'function' ? undefined : chunkOrCallback;
+    const encoding = typeof encodingOrCallback === 'function' ? undefined : encodingOrCallback;
+    callback =
+      typeof chunkOrCallback === 'function'
+        ? chunkOrCallback
+        : typeof encodingOrCallback === 'function'
+        ? encodingOrCallback
+        : callback;
+
+    if (this.state.streamEnd || checkAborted(this, callback)) return this;
+
+    this.state.streamEnd = true;
+
+    if (callback) {
+      this.once(GridFSBucketWriteStream.FINISH, (result: GridFSFile) => {
+        if (callback) callback(undefined, result);
+      });
+    }
+
+    if (!chunk) {
+      waitForIndexes(this, () => !!writeRemnant(this));
+      return this;
+    }
+
+    this.write(chunk, encoding, () => {
+      writeRemnant(this);
+    });
+
+    return this;
+  }
+}
+
+function __handleError(
+  stream: GridFSBucketWriteStream,
+  error: AnyError,
+  callback?: Callback
+): void {
+  if (stream.state.errored) {
+    return;
+  }
+  stream.state.errored = true;
+  if (callback) {
+    return callback(error);
+  }
+  stream.emit(GridFSBucketWriteStream.ERROR, error);
+}
+
+function createChunkDoc(filesId: ObjectId, n: number, data: Buffer): GridFSChunk {
+  return {
+    _id: new ObjectId(),
+    files_id: filesId,
+    n,
+    data
+  };
+}
+
+function checkChunksIndex(stream: GridFSBucketWriteStream, callback: Callback): void {
+  stream.chunks.listIndexes().toArray((error?: AnyError, indexes?: Document[]) => {
+    let index: { files_id: number; n: number };
+    if (error) {
+      // Collection doesn't exist so create index
+      if (error instanceof MongoError && error.code === MONGODB_ERROR_CODES.NamespaceNotFound) {
+        index = { files_id: 1, n: 1 };
+        stream.chunks.createIndex(index, { background: false, unique: true }, error => {
+          if (error) {
+            return callback(error);
+          }
+
+          callback();
+        });
+        return;
+      }
+      return callback(error);
+    }
+
+    let hasChunksIndex = false;
+    if (indexes) {
+      indexes.forEach((index: Document) => {
+        if (index.key) {
+          const keys = Object.keys(index.key);
+          if (keys.length === 2 && index.key.files_id === 1 && index.key.n === 1) {
+            hasChunksIndex = true;
+          }
+        }
+      });
+    }
+
+    if (hasChunksIndex) {
+      callback();
+    } else {
+      index = { files_id: 1, n: 1 };
+      const writeConcernOptions = getWriteOptions(stream);
+
+      stream.chunks.createIndex(
+        index,
+        {
+          ...writeConcernOptions,
+          background: true,
+          unique: true
+        },
+        callback
+      );
+    }
+  });
+}
+
+function checkDone(stream: GridFSBucketWriteStream, callback?: Callback): boolean {
+  if (stream.done) return true;
+  if (stream.state.streamEnd && stream.state.outstandingRequests === 0 && !stream.state.errored) {
+    // Set done so we do not trigger duplicate createFilesDoc
+    stream.done = true;
+    // Create a new files doc
+    const filesDoc = createFilesDoc(
+      stream.id,
+      stream.length,
+      stream.chunkSizeBytes,
+      stream.filename,
+      stream.options.contentType,
+      stream.options.aliases,
+      stream.options.metadata
+    );
+
+    if (checkAborted(stream, callback)) {
+      return false;
+    }
+
+    stream.files.insertOne(filesDoc, getWriteOptions(stream), (error?: AnyError) => {
+      if (error) {
+        return __handleError(stream, error, callback);
+      }
+      stream.emit(GridFSBucketWriteStream.FINISH, filesDoc);
+      stream.emit(GridFSBucketWriteStream.CLOSE);
+    });
+
+    return true;
+  }
+
+  return false;
+}
+
+function checkIndexes(stream: GridFSBucketWriteStream, callback: Callback): void {
+  stream.files.findOne({}, { projection: { _id: 1 } }, (error, doc) => {
+    if (error) {
+      return callback(error);
+    }
+    if (doc) {
+      return callback();
+    }
+
+    stream.files.listIndexes().toArray((error?: AnyError, indexes?: Document) => {
+      let index: { filename: number; uploadDate: number };
+      if (error) {
+        // Collection doesn't exist so create index
+        if (error instanceof MongoError && error.code === MONGODB_ERROR_CODES.NamespaceNotFound) {
+          index = { filename: 1, uploadDate: 1 };
+          stream.files.createIndex(index, { background: false }, (error?: AnyError) => {
+            if (error) {
+              return callback(error);
+            }
+
+            checkChunksIndex(stream, callback);
+          });
+          return;
+        }
+        return callback(error);
+      }
+
+      let hasFileIndex = false;
+      if (indexes) {
+        indexes.forEach((index: Document) => {
+          const keys = Object.keys(index.key);
+          if (keys.length === 2 && index.key.filename === 1 && index.key.uploadDate === 1) {
+            hasFileIndex = true;
+          }
+        });
+      }
+
+      if (hasFileIndex) {
+        checkChunksIndex(stream, callback);
+      } else {
+        index = { filename: 1, uploadDate: 1 };
+
+        const writeConcernOptions = getWriteOptions(stream);
+
+        stream.files.createIndex(
+          index,
+          {
+            ...writeConcernOptions,
+            background: false
+          },
+          (error?: AnyError) => {
+            if (error) {
+              return callback(error);
+            }
+
+            checkChunksIndex(stream, callback);
+          }
+        );
+      }
+    });
+  });
+}
+
+function createFilesDoc(
+  _id: ObjectId,
+  length: number,
+  chunkSize: number,
+  filename: string,
+  contentType?: string,
+  aliases?: string[],
+  metadata?: Document
+): GridFSFile {
+  const ret: GridFSFile = {
+    _id,
+    length,
+    chunkSize,
+    uploadDate: new Date(),
+    filename
+  };
+
+  if (contentType) {
+    ret.contentType = contentType;
+  }
+
+  if (aliases) {
+    ret.aliases = aliases;
+  }
+
+  if (metadata) {
+    ret.metadata = metadata;
+  }
+
+  return ret;
+}
+
+function doWrite(
+  stream: GridFSBucketWriteStream,
+  chunk: Buffer | string,
+  encoding?: BufferEncoding,
+  callback?: Callback<void>
+): boolean {
+  if (checkAborted(stream, callback)) {
+    return false;
+  }
+
+  const inputBuf = Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk, encoding);
+
+  stream.length += inputBuf.length;
+
+  // Input is small enough to fit in our buffer
+  if (stream.pos + inputBuf.length < stream.chunkSizeBytes) {
+    inputBuf.copy(stream.bufToStore, stream.pos);
+    stream.pos += inputBuf.length;
+
+    callback && callback();
+
+    // Note that we reverse the typical semantics of write's return value
+    // to be compatible with node's `.pipe()` function.
+    // True means client can keep writing.
+    return true;
+  }
+
+  // Otherwise, buffer is too big for current chunk, so we need to flush
+  // to MongoDB.
+  let inputBufRemaining = inputBuf.length;
+  let spaceRemaining: number = stream.chunkSizeBytes - stream.pos;
+  let numToCopy = Math.min(spaceRemaining, inputBuf.length);
+  let outstandingRequests = 0;
+  while (inputBufRemaining > 0) {
+    const inputBufPos = inputBuf.length - inputBufRemaining;
+    inputBuf.copy(stream.bufToStore, stream.pos, inputBufPos, inputBufPos + numToCopy);
+    stream.pos += numToCopy;
+    spaceRemaining -= numToCopy;
+    let doc: GridFSChunk;
+    if (spaceRemaining === 0) {
+      doc = createChunkDoc(stream.id, stream.n, Buffer.from(stream.bufToStore));
+      ++stream.state.outstandingRequests;
+      ++outstandingRequests;
+
+      if (checkAborted(stream, callback)) {
+        return false;
+      }
+
+      stream.chunks.insertOne(doc, getWriteOptions(stream), (error?: AnyError) => {
+        if (error) {
+          return __handleError(stream, error);
+        }
+        --stream.state.outstandingRequests;
+        --outstandingRequests;
+
+        if (!outstandingRequests) {
+          stream.emit('drain', doc);
+          callback && callback();
+          checkDone(stream);
+        }
+      });
+
+      spaceRemaining = stream.chunkSizeBytes;
+      stream.pos = 0;
+      ++stream.n;
+    }
+    inputBufRemaining -= numToCopy;
+    numToCopy = Math.min(spaceRemaining, inputBufRemaining);
+  }
+
+  // Note that we reverse the typical semantics of write's return value
+  // to be compatible with node's `.pipe()` function.
+  // False means the client should wait for the 'drain' event.
+  return false;
+}
+
+function getWriteOptions(stream: GridFSBucketWriteStream): WriteConcernOptions {
+  const obj: WriteConcernOptions = {};
+  if (stream.writeConcern) {
+    obj.writeConcern = {
+      w: stream.writeConcern.w,
+      wtimeout: stream.writeConcern.wtimeout,
+      j: stream.writeConcern.j
+    };
+  }
+  return obj;
+}
+
+function waitForIndexes(
+  stream: GridFSBucketWriteStream,
+  callback: (res: boolean) => boolean
+): boolean {
+  if (stream.bucket.s.checkedIndexes) {
+    return callback(false);
+  }
+
+  stream.bucket.once('index', () => {
+    callback(true);
+  });
+
+  return true;
+}
+
+function writeRemnant(stream: GridFSBucketWriteStream, callback?: Callback): boolean {
+  // Buffer is empty, so don't bother to insert
+  if (stream.pos === 0) {
+    return checkDone(stream, callback);
+  }
+
+  ++stream.state.outstandingRequests;
+
+  // Create a new buffer to make sure the buffer isn't bigger than it needs
+  // to be.
+  const remnant = Buffer.alloc(stream.pos);
+  stream.bufToStore.copy(remnant, 0, 0, stream.pos);
+  const doc = createChunkDoc(stream.id, stream.n, remnant);
+
+  // If the stream was aborted, do not write remnant
+  if (checkAborted(stream, callback)) {
+    return false;
+  }
+
+  stream.chunks.insertOne(doc, getWriteOptions(stream), (error?: AnyError) => {
+    if (error) {
+      return __handleError(stream, error);
+    }
+    --stream.state.outstandingRequests;
+    checkDone(stream);
+  });
+  return true;
+}
+
+function checkAborted(stream: GridFSBucketWriteStream, callback?: Callback<void>): boolean {
+  if (stream.state.aborted) {
+    if (typeof callback === 'function') {
+      // TODO(NODE-3485): Replace with MongoGridFSStreamClosedError
+      callback(new MongoAPIError('Stream has been aborted'));
+    }
+    return true;
+  }
+  return false;
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/index.ts b/node_modules/mongoose/node_modules/mongodb/src/index.ts
new file mode 100644
index 000000000..933be8772
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/index.ts
@@ -0,0 +1,477 @@
+import { Admin } from './admin';
+import { ObjectId } from './bson';
+import { ChangeStream } from './change_stream';
+import { Collection } from './collection';
+import { AbstractCursor } from './cursor/abstract_cursor';
+import { AggregationCursor } from './cursor/aggregation_cursor';
+import { FindCursor } from './cursor/find_cursor';
+import { ListCollectionsCursor } from './cursor/list_collections_cursor';
+import { ListIndexesCursor } from './cursor/list_indexes_cursor';
+import { Db } from './db';
+import { GridFSBucket } from './gridfs';
+import { Logger } from './logger';
+import { MongoClient } from './mongo_client';
+import { CancellationToken } from './mongo_types';
+import { PromiseProvider } from './promise_provider';
+
+/** @internal */
+export { BSON } from './bson';
+export {
+  Binary,
+  BSONRegExp,
+  BSONSymbol,
+  Code,
+  DBRef,
+  Decimal128,
+  Double,
+  Int32,
+  Long,
+  Map,
+  MaxKey,
+  MinKey,
+  ObjectId,
+  Timestamp
+} from './bson';
+export { ChangeStreamCursor } from './cursor/change_stream_cursor';
+/**
+ * @public
+ * @deprecated Please use `ObjectId`
+ */
+export const ObjectID = ObjectId;
+
+export { AnyBulkWriteOperation, BulkWriteOptions, MongoBulkWriteError } from './bulk/common';
+export {
+  MongoAPIError,
+  MongoAWSError,
+  MongoBatchReExecutionError,
+  MongoChangeStreamError,
+  MongoCompatibilityError,
+  MongoCursorExhaustedError,
+  MongoCursorInUseError,
+  MongoDecompressionError,
+  MongoDriverError,
+  MongoError,
+  MongoExpiredSessionError,
+  MongoGridFSChunkError,
+  MongoGridFSStreamError,
+  MongoInvalidArgumentError,
+  MongoKerberosError,
+  MongoMissingCredentialsError,
+  MongoMissingDependencyError,
+  MongoNetworkError,
+  MongoNetworkTimeoutError,
+  MongoNotConnectedError,
+  MongoParseError,
+  MongoRuntimeError,
+  MongoServerClosedError,
+  MongoServerError,
+  MongoServerSelectionError,
+  MongoSystemError,
+  MongoTailableCursorError,
+  MongoTopologyClosedError,
+  MongoTransactionError,
+  MongoUnexpectedServerResponseError,
+  MongoWriteConcernError
+} from './error';
+export {
+  AbstractCursor,
+  // Actual driver classes exported
+  Admin,
+  AggregationCursor,
+  CancellationToken,
+  ChangeStream,
+  Collection,
+  Db,
+  FindCursor,
+  GridFSBucket,
+  ListCollectionsCursor,
+  ListIndexesCursor,
+  Logger,
+  MongoClient,
+  // Utils
+  PromiseProvider as Promise
+};
+
+// enums
+export { BatchType } from './bulk/common';
+export { GSSAPICanonicalizationValue } from './cmap/auth/gssapi';
+export { AuthMechanism } from './cmap/auth/providers';
+export { Compressor } from './cmap/wire_protocol/compression';
+export { CURSOR_FLAGS } from './cursor/abstract_cursor';
+export { AutoEncryptionLoggerLevel } from './deps';
+export { MongoErrorLabel } from './error';
+export { ExplainVerbosity } from './explain';
+export { LoggerLevel } from './logger';
+export { ServerApiVersion } from './mongo_client';
+export { BSONType } from './mongo_types';
+export { ReturnDocument } from './operations/find_and_modify';
+export { ProfilingLevel } from './operations/set_profiling_level';
+export { ReadConcernLevel } from './read_concern';
+export { ReadPreferenceMode } from './read_preference';
+export { ServerType, TopologyType } from './sdam/common';
+
+// Helper classes
+export { ReadConcern } from './read_concern';
+export { ReadPreference } from './read_preference';
+export { WriteConcern } from './write_concern';
+
+// events
+export {
+  CommandFailedEvent,
+  CommandStartedEvent,
+  CommandSucceededEvent
+} from './cmap/command_monitoring_events';
+export {
+  ConnectionCheckedInEvent,
+  ConnectionCheckedOutEvent,
+  ConnectionCheckOutFailedEvent,
+  ConnectionCheckOutStartedEvent,
+  ConnectionClosedEvent,
+  ConnectionCreatedEvent,
+  ConnectionPoolClearedEvent,
+  ConnectionPoolClosedEvent,
+  ConnectionPoolCreatedEvent,
+  ConnectionPoolMonitoringEvent,
+  ConnectionReadyEvent
+} from './cmap/connection_pool_events';
+export {
+  ServerClosedEvent,
+  ServerDescriptionChangedEvent,
+  ServerHeartbeatFailedEvent,
+  ServerHeartbeatStartedEvent,
+  ServerHeartbeatSucceededEvent,
+  ServerOpeningEvent,
+  TopologyClosedEvent,
+  TopologyDescriptionChangedEvent,
+  TopologyOpeningEvent
+} from './sdam/events';
+export { SrvPollingEvent } from './sdam/srv_polling';
+
+// type only exports below, these are removed from emitted JS
+export type { AdminPrivate } from './admin';
+export type { BSONSerializeOptions, Document } from './bson';
+export type { deserialize, serialize } from './bson';
+export type {
+  BulkResult,
+  BulkWriteOperationError,
+  BulkWriteResult,
+  DeleteManyModel,
+  DeleteOneModel,
+  InsertOneModel,
+  ReplaceOneModel,
+  UpdateManyModel,
+  UpdateOneModel,
+  WriteConcernError,
+  WriteError
+} from './bulk/common';
+export type {
+  Batch,
+  BulkOperationBase,
+  BulkOperationPrivate,
+  FindOperators,
+  WriteConcernErrorData
+} from './bulk/common';
+export type { OrderedBulkOperation } from './bulk/ordered';
+export type { UnorderedBulkOperation } from './bulk/unordered';
+export type {
+  ChangeStreamCollModDocument,
+  ChangeStreamCreateDocument,
+  ChangeStreamCreateIndexDocument,
+  ChangeStreamDeleteDocument,
+  ChangeStreamDocument,
+  ChangeStreamDocumentCollectionUUID,
+  ChangeStreamDocumentCommon,
+  ChangeStreamDocumentKey,
+  ChangeStreamDocumentOperationDescription,
+  ChangeStreamDropDatabaseDocument,
+  ChangeStreamDropDocument,
+  ChangeStreamDropIndexDocument,
+  ChangeStreamEvents,
+  ChangeStreamInsertDocument,
+  ChangeStreamInvalidateDocument,
+  ChangeStreamNameSpace,
+  ChangeStreamOptions,
+  ChangeStreamRefineCollectionShardKeyDocument,
+  ChangeStreamRenameDocument,
+  ChangeStreamReplaceDocument,
+  ChangeStreamReshardCollectionDocument,
+  ChangeStreamShardCollectionDocument,
+  ChangeStreamUpdateDocument,
+  OperationTime,
+  PipeOptions,
+  ResumeOptions,
+  ResumeToken,
+  UpdateDescription
+} from './change_stream';
+export type {
+  AuthMechanismProperties,
+  MongoCredentials,
+  MongoCredentialsOptions
+} from './cmap/auth/mongo_credentials';
+export type {
+  BinMsg,
+  MessageHeader,
+  Msg,
+  OpMsgOptions,
+  OpQueryOptions,
+  OpResponseOptions,
+  Query,
+  Response,
+  WriteProtocolMessageType
+} from './cmap/commands';
+export type { LEGAL_TCP_SOCKET_OPTIONS, LEGAL_TLS_SOCKET_OPTIONS, Stream } from './cmap/connect';
+export type {
+  CommandOptions,
+  Connection,
+  ConnectionEvents,
+  ConnectionOptions,
+  DestroyOptions,
+  GetMoreOptions,
+  ProxyOptions,
+  QueryOptions
+} from './cmap/connection';
+export type {
+  CloseOptions,
+  ConnectionPool,
+  ConnectionPoolEvents,
+  ConnectionPoolOptions,
+  PoolState,
+  WaitQueueMember,
+  WithConnectionCallback
+} from './cmap/connection_pool';
+export type {
+  MessageStream,
+  MessageStreamOptions,
+  OperationDescription
+} from './cmap/message_stream';
+export type { ConnectionPoolMetrics } from './cmap/metrics';
+export type { StreamDescription, StreamDescriptionOptions } from './cmap/stream_description';
+export type { CompressorName } from './cmap/wire_protocol/compression';
+export type { CollectionOptions, CollectionPrivate, ModifyResult } from './collection';
+export type { MONGO_CLIENT_EVENTS } from './constants';
+export type {
+  AbstractCursorEvents,
+  AbstractCursorOptions,
+  CursorCloseOptions,
+  CursorFlag,
+  CursorStreamOptions
+} from './cursor/abstract_cursor';
+export type { InternalAbstractCursorOptions } from './cursor/abstract_cursor';
+export type { AggregationCursorOptions } from './cursor/aggregation_cursor';
+export type {
+  ChangeStreamAggregateRawResult,
+  ChangeStreamCursorOptions
+} from './cursor/change_stream_cursor';
+export type { DbOptions, DbPrivate } from './db';
+export type { AutoEncrypter, AutoEncryptionOptions, AutoEncryptionTlsOptions } from './deps';
+export type { Encrypter, EncrypterOptions } from './encrypter';
+export type { AnyError, ErrorDescription, MongoNetworkErrorOptions } from './error';
+export type { Explain, ExplainOptions, ExplainVerbosityLike } from './explain';
+export type {
+  GridFSBucketReadStream,
+  GridFSBucketReadStreamOptions,
+  GridFSBucketReadStreamOptionsWithRevision,
+  GridFSBucketReadStreamPrivate,
+  GridFSFile
+} from './gridfs/download';
+export type { GridFSBucketEvents, GridFSBucketOptions, GridFSBucketPrivate } from './gridfs/index';
+export type {
+  GridFSBucketWriteStream,
+  GridFSBucketWriteStreamOptions,
+  GridFSChunk
+} from './gridfs/upload';
+export type { LoggerFunction, LoggerOptions } from './logger';
+export type {
+  Auth,
+  DriverInfo,
+  MongoClientEvents,
+  MongoClientOptions,
+  MongoClientPrivate,
+  MongoOptions,
+  PkFactory,
+  ServerApi,
+  SupportedNodeConnectionOptions,
+  SupportedSocketOptions,
+  SupportedTLSConnectionOptions,
+  SupportedTLSSocketOptions,
+  WithSessionCallback
+} from './mongo_client';
+export type {
+  CommonEvents,
+  EventsDescription,
+  GenericListener,
+  TypedEventEmitter
+} from './mongo_types';
+export type {
+  AcceptedFields,
+  AddToSetOperators,
+  AlternativeType,
+  ArrayElement,
+  ArrayOperator,
+  BitwiseFilter,
+  BSONTypeAlias,
+  Condition,
+  EnhancedOmit,
+  Filter,
+  FilterOperations,
+  FilterOperators,
+  Flatten,
+  InferIdType,
+  IntegerType,
+  IsAny,
+  Join,
+  KeysOfAType,
+  KeysOfOtherType,
+  MatchKeysAndValues,
+  NestedPaths,
+  NestedPathsOfType,
+  NonObjectIdLikeDocument,
+  NotAcceptedFields,
+  NumericType,
+  OneOrMore,
+  OnlyFieldsOfType,
+  OptionalId,
+  OptionalUnlessRequiredId,
+  Projection,
+  ProjectionOperators,
+  PropertyType,
+  PullAllOperator,
+  PullOperator,
+  PushOperator,
+  RegExpOrString,
+  RootFilterOperators,
+  SchemaMember,
+  SetFields,
+  UpdateFilter,
+  WithId,
+  WithoutId
+} from './mongo_types';
+export type { AddUserOptions, RoleSpecification } from './operations/add_user';
+export type {
+  AggregateOperation,
+  AggregateOptions,
+  DB_AGGREGATE_COLLECTION
+} from './operations/aggregate';
+export type {
+  CollationOptions,
+  CommandOperation,
+  CommandOperationOptions,
+  OperationParent
+} from './operations/command';
+export type { IndexInformationOptions } from './operations/common_functions';
+export type { CountOptions } from './operations/count';
+export type { CountDocumentsOptions } from './operations/count_documents';
+export type {
+  ClusteredCollectionOptions,
+  CreateCollectionOptions,
+  TimeSeriesCollectionOptions
+} from './operations/create_collection';
+export type { DeleteOptions, DeleteResult, DeleteStatement } from './operations/delete';
+export type { DistinctOptions } from './operations/distinct';
+export type { DropCollectionOptions, DropDatabaseOptions } from './operations/drop';
+export type { EstimatedDocumentCountOptions } from './operations/estimated_document_count';
+export type { EvalOptions } from './operations/eval';
+export type { ExecutionResult } from './operations/execute_operation';
+export type { FindOptions } from './operations/find';
+export type {
+  FindOneAndDeleteOptions,
+  FindOneAndReplaceOptions,
+  FindOneAndUpdateOptions
+} from './operations/find_and_modify';
+export type {
+  CreateIndexesOptions,
+  DropIndexesOptions,
+  IndexDescription,
+  IndexDirection,
+  IndexSpecification,
+  ListIndexesOptions
+} from './operations/indexes';
+export type { InsertManyResult, InsertOneOptions, InsertOneResult } from './operations/insert';
+export type { CollectionInfo, ListCollectionsOptions } from './operations/list_collections';
+export type { ListDatabasesOptions, ListDatabasesResult } from './operations/list_databases';
+export type {
+  FinalizeFunction,
+  MapFunction,
+  MapReduceOptions,
+  ReduceFunction
+} from './operations/map_reduce';
+export type { AbstractOperation, Hint, OperationOptions } from './operations/operation';
+export type { ProfilingLevelOptions } from './operations/profiling_level';
+export type { RemoveUserOptions } from './operations/remove_user';
+export type { RenameOptions } from './operations/rename';
+export type { RunCommandOptions } from './operations/run_command';
+export type { SetProfilingLevelOptions } from './operations/set_profiling_level';
+export type {
+  CollStats,
+  CollStatsOptions,
+  DbStatsOptions,
+  WiredTigerData
+} from './operations/stats';
+export type {
+  ReplaceOptions,
+  UpdateOptions,
+  UpdateResult,
+  UpdateStatement
+} from './operations/update';
+export type { ValidateCollectionOptions } from './operations/validate_collection';
+export type { ReadConcernLike } from './read_concern';
+export type {
+  HedgeOptions,
+  ReadPreferenceFromOptions,
+  ReadPreferenceLike,
+  ReadPreferenceLikeOptions,
+  ReadPreferenceOptions
+} from './read_preference';
+export type { ClusterTime, TimerQueue } from './sdam/common';
+export type {
+  Monitor,
+  MonitorEvents,
+  MonitorOptions,
+  MonitorPrivate,
+  RTTPinger,
+  RTTPingerOptions
+} from './sdam/monitor';
+export type { Server, ServerEvents, ServerOptions, ServerPrivate } from './sdam/server';
+export type {
+  ServerDescription,
+  ServerDescriptionOptions,
+  TagSet,
+  TopologyVersion
+} from './sdam/server_description';
+export type { ServerSelector } from './sdam/server_selection';
+export type { SrvPoller, SrvPollerEvents, SrvPollerOptions } from './sdam/srv_polling';
+export type {
+  ConnectOptions,
+  SelectServerOptions,
+  ServerCapabilities,
+  ServerSelectionCallback,
+  ServerSelectionRequest,
+  Topology,
+  TopologyEvents,
+  TopologyOptions,
+  TopologyPrivate
+} from './sdam/topology';
+export type { TopologyDescription, TopologyDescriptionOptions } from './sdam/topology_description';
+export type {
+  ClientSession,
+  ClientSessionEvents,
+  ClientSessionOptions,
+  EndSessionOptions,
+  ServerSession,
+  ServerSessionId,
+  ServerSessionPool,
+  WithTransactionCallback
+} from './sessions';
+export type { Sort, SortDirection, SortDirectionForCmd, SortForCmd } from './sort';
+export type { Transaction, TransactionOptions, TxnState } from './transactions';
+export type {
+  BufferPool,
+  Callback,
+  ClientMetadata,
+  ClientMetadataOptions,
+  EventEmitterWithState,
+  HostAddress,
+  InterruptibleAsyncInterval,
+  MongoDBNamespace
+} from './utils';
+export type { W, WriteConcernOptions, WriteConcernSettings } from './write_concern';
diff --git a/node_modules/mongoose/node_modules/mongodb/src/logger.ts b/node_modules/mongoose/node_modules/mongodb/src/logger.ts
new file mode 100644
index 000000000..22609c868
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/logger.ts
@@ -0,0 +1,265 @@
+import { format } from 'util';
+
+import { MongoInvalidArgumentError } from './error';
+import { enumToString } from './utils';
+
+// Filters for classes
+const classFilters: any = {};
+let filteredClasses: any = {};
+let level: LoggerLevel;
+
+// Save the process id
+const pid = process.pid;
+
+// current logger
+// eslint-disable-next-line no-console
+let currentLogger: LoggerFunction = console.warn;
+
+/** @public */
+export const LoggerLevel = Object.freeze({
+  ERROR: 'error',
+  WARN: 'warn',
+  INFO: 'info',
+  DEBUG: 'debug',
+  error: 'error',
+  warn: 'warn',
+  info: 'info',
+  debug: 'debug'
+} as const);
+
+/** @public */
+export type LoggerLevel = typeof LoggerLevel[keyof typeof LoggerLevel];
+
+/** @public */
+export type LoggerFunction = (message?: any, ...optionalParams: any[]) => void;
+
+/** @public */
+export interface LoggerOptions {
+  logger?: LoggerFunction;
+  loggerLevel?: LoggerLevel;
+}
+
+/**
+ * @public
+ */
+export class Logger {
+  className: string;
+
+  /**
+   * Creates a new Logger instance
+   *
+   * @param className - The Class name associated with the logging instance
+   * @param options - Optional logging settings
+   */
+  constructor(className: string, options?: LoggerOptions) {
+    options = options ?? {};
+
+    // Current reference
+    this.className = className;
+
+    // Current logger
+    if (!(options.logger instanceof Logger) && typeof options.logger === 'function') {
+      currentLogger = options.logger;
+    }
+
+    // Set level of logging, default is error
+    if (options.loggerLevel) {
+      level = options.loggerLevel || LoggerLevel.ERROR;
+    }
+
+    // Add all class names
+    if (filteredClasses[this.className] == null) {
+      classFilters[this.className] = true;
+    }
+  }
+
+  /**
+   * Log a message at the debug level
+   *
+   * @param message - The message to log
+   * @param object - Additional meta data to log
+   */
+  debug(message: string, object?: unknown): void {
+    if (
+      this.isDebug() &&
+      ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+        (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))
+    ) {
+      const dateTime = new Date().getTime();
+      const msg = format('[%s-%s:%s] %s %s', 'DEBUG', this.className, pid, dateTime, message);
+      const state = {
+        type: LoggerLevel.DEBUG,
+        message,
+        className: this.className,
+        pid,
+        date: dateTime
+      } as any;
+
+      if (object) state.meta = object;
+      currentLogger(msg, state);
+    }
+  }
+
+  /**
+   * Log a message at the warn level
+   *
+   * @param message - The message to log
+   * @param object - Additional meta data to log
+   */
+  warn(message: string, object?: unknown): void {
+    if (
+      this.isWarn() &&
+      ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+        (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))
+    ) {
+      const dateTime = new Date().getTime();
+      const msg = format('[%s-%s:%s] %s %s', 'WARN', this.className, pid, dateTime, message);
+      const state = {
+        type: LoggerLevel.WARN,
+        message,
+        className: this.className,
+        pid,
+        date: dateTime
+      } as any;
+
+      if (object) state.meta = object;
+      currentLogger(msg, state);
+    }
+  }
+
+  /**
+   * Log a message at the info level
+   *
+   * @param message - The message to log
+   * @param object - Additional meta data to log
+   */
+  info(message: string, object?: unknown): void {
+    if (
+      this.isInfo() &&
+      ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+        (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))
+    ) {
+      const dateTime = new Date().getTime();
+      const msg = format('[%s-%s:%s] %s %s', 'INFO', this.className, pid, dateTime, message);
+      const state = {
+        type: LoggerLevel.INFO,
+        message,
+        className: this.className,
+        pid,
+        date: dateTime
+      } as any;
+
+      if (object) state.meta = object;
+      currentLogger(msg, state);
+    }
+  }
+
+  /**
+   * Log a message at the error level
+   *
+   * @param message - The message to log
+   * @param object - Additional meta data to log
+   */
+  error(message: string, object?: unknown): void {
+    if (
+      this.isError() &&
+      ((Object.keys(filteredClasses).length > 0 && filteredClasses[this.className]) ||
+        (Object.keys(filteredClasses).length === 0 && classFilters[this.className]))
+    ) {
+      const dateTime = new Date().getTime();
+      const msg = format('[%s-%s:%s] %s %s', 'ERROR', this.className, pid, dateTime, message);
+      const state = {
+        type: LoggerLevel.ERROR,
+        message,
+        className: this.className,
+        pid,
+        date: dateTime
+      } as any;
+
+      if (object) state.meta = object;
+      currentLogger(msg, state);
+    }
+  }
+
+  /** Is the logger set at info level */
+  isInfo(): boolean {
+    return level === LoggerLevel.INFO || level === LoggerLevel.DEBUG;
+  }
+
+  /** Is the logger set at error level */
+  isError(): boolean {
+    return level === LoggerLevel.ERROR || level === LoggerLevel.INFO || level === LoggerLevel.DEBUG;
+  }
+
+  /** Is the logger set at error level */
+  isWarn(): boolean {
+    return (
+      level === LoggerLevel.ERROR ||
+      level === LoggerLevel.WARN ||
+      level === LoggerLevel.INFO ||
+      level === LoggerLevel.DEBUG
+    );
+  }
+
+  /** Is the logger set at debug level */
+  isDebug(): boolean {
+    return level === LoggerLevel.DEBUG;
+  }
+
+  /** Resets the logger to default settings, error and no filtered classes */
+  static reset(): void {
+    level = LoggerLevel.ERROR;
+    filteredClasses = {};
+  }
+
+  /** Get the current logger function */
+  static currentLogger(): LoggerFunction {
+    return currentLogger;
+  }
+
+  /**
+   * Set the current logger function
+   *
+   * @param logger - Custom logging function
+   */
+  static setCurrentLogger(logger: LoggerFunction): void {
+    if (typeof logger !== 'function') {
+      throw new MongoInvalidArgumentError('Current logger must be a function');
+    }
+
+    currentLogger = logger;
+  }
+
+  /**
+   * Filter log messages for a particular class
+   *
+   * @param type - The type of filter (currently only class)
+   * @param values - The filters to apply
+   */
+  static filter(type: string, values: string[]): void {
+    if (type === 'class' && Array.isArray(values)) {
+      filteredClasses = {};
+      values.forEach(x => (filteredClasses[x] = true));
+    }
+  }
+
+  /**
+   * Set the current log level
+   *
+   * @param newLevel - Set current log level (debug, warn, info, error)
+   */
+  static setLevel(newLevel: LoggerLevel): void {
+    if (
+      newLevel !== LoggerLevel.INFO &&
+      newLevel !== LoggerLevel.ERROR &&
+      newLevel !== LoggerLevel.DEBUG &&
+      newLevel !== LoggerLevel.WARN
+    ) {
+      throw new MongoInvalidArgumentError(
+        `Argument "newLevel" should be one of ${enumToString(LoggerLevel)}`
+      );
+    }
+
+    level = newLevel;
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/mongo_client.ts b/node_modules/mongoose/node_modules/mongodb/src/mongo_client.ts
new file mode 100644
index 000000000..d980f3e79
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/mongo_client.ts
@@ -0,0 +1,797 @@
+import type { TcpNetConnectOpts } from 'net';
+import type { ConnectionOptions as TLSConnectionOptions, TLSSocketOptions } from 'tls';
+
+import { BSONSerializeOptions, Document, resolveBSONOptions } from './bson';
+import { ChangeStream, ChangeStreamDocument, ChangeStreamOptions } from './change_stream';
+import type { AuthMechanismProperties, MongoCredentials } from './cmap/auth/mongo_credentials';
+import type { AuthMechanism } from './cmap/auth/providers';
+import type { LEGAL_TCP_SOCKET_OPTIONS, LEGAL_TLS_SOCKET_OPTIONS } from './cmap/connect';
+import type { Connection } from './cmap/connection';
+import type { CompressorName } from './cmap/wire_protocol/compression';
+import { parseOptions } from './connection_string';
+import type { MONGO_CLIENT_EVENTS } from './constants';
+import { Db, DbOptions } from './db';
+import type { AutoEncrypter, AutoEncryptionOptions } from './deps';
+import type { Encrypter } from './encrypter';
+import { MongoInvalidArgumentError } from './error';
+import type { Logger, LoggerLevel } from './logger';
+import { TypedEventEmitter } from './mongo_types';
+import { connect } from './operations/connect';
+import { PromiseProvider } from './promise_provider';
+import type { ReadConcern, ReadConcernLevel, ReadConcernLike } from './read_concern';
+import { ReadPreference, ReadPreferenceMode } from './read_preference';
+import type { TagSet } from './sdam/server_description';
+import { readPreferenceServerSelector } from './sdam/server_selection';
+import type { SrvPoller } from './sdam/srv_polling';
+import type { Topology, TopologyEvents } from './sdam/topology';
+import { ClientSession, ClientSessionOptions, ServerSessionPool } from './sessions';
+import {
+  Callback,
+  ClientMetadata,
+  HostAddress,
+  maybePromise,
+  MongoDBNamespace,
+  ns,
+  resolveOptions
+} from './utils';
+import type { W, WriteConcern, WriteConcernSettings } from './write_concern';
+
+/** @public */
+export const ServerApiVersion = Object.freeze({
+  v1: '1'
+} as const);
+
+/** @public */
+export type ServerApiVersion = typeof ServerApiVersion[keyof typeof ServerApiVersion];
+
+/** @public */
+export interface ServerApi {
+  version: ServerApiVersion;
+  strict?: boolean;
+  deprecationErrors?: boolean;
+}
+
+/** @public */
+export interface DriverInfo {
+  name?: string;
+  version?: string;
+  platform?: string;
+}
+
+/** @public */
+export interface Auth {
+  /** The username for auth */
+  username?: string;
+  /** The password for auth */
+  password?: string;
+}
+
+/** @public */
+export interface PkFactory {
+  createPk(): any; // TODO: when js-bson is typed, function should return some BSON type
+}
+
+/** @public */
+export type SupportedTLSConnectionOptions = Pick<
+  TLSConnectionOptions,
+  Extract<keyof TLSConnectionOptions, typeof LEGAL_TLS_SOCKET_OPTIONS[number]>
+>;
+
+/** @public */
+export type SupportedTLSSocketOptions = Pick<
+  TLSSocketOptions,
+  Extract<keyof TLSSocketOptions, typeof LEGAL_TLS_SOCKET_OPTIONS[number]>
+>;
+
+/** @public */
+export type SupportedSocketOptions = Pick<
+  TcpNetConnectOpts,
+  typeof LEGAL_TCP_SOCKET_OPTIONS[number]
+>;
+
+/** @public */
+export type SupportedNodeConnectionOptions = SupportedTLSConnectionOptions &
+  SupportedTLSSocketOptions &
+  SupportedSocketOptions;
+
+/**
+ * Describes all possible URI query options for the mongo client
+ * @public
+ * @see https://docs.mongodb.com/manual/reference/connection-string
+ */
+export interface MongoClientOptions extends BSONSerializeOptions, SupportedNodeConnectionOptions {
+  /** Specifies the name of the replica set, if the mongod is a member of a replica set. */
+  replicaSet?: string;
+  /** Enables or disables TLS/SSL for the connection. */
+  tls?: boolean;
+  /** A boolean to enable or disables TLS/SSL for the connection. (The ssl option is equivalent to the tls option.) */
+  ssl?: boolean;
+  /** Specifies the location of a local TLS Certificate */
+  tlsCertificateFile?: string;
+  /** Specifies the location of a local .pem file that contains either the client's TLS/SSL certificate and key or only the client's TLS/SSL key when tlsCertificateFile is used to provide the certificate. */
+  tlsCertificateKeyFile?: string;
+  /** Specifies the password to de-crypt the tlsCertificateKeyFile. */
+  tlsCertificateKeyFilePassword?: string;
+  /** Specifies the location of a local .pem file that contains the root certificate chain from the Certificate Authority. This file is used to validate the certificate presented by the mongod/mongos instance. */
+  tlsCAFile?: string;
+  /** Bypasses validation of the certificates presented by the mongod/mongos instance */
+  tlsAllowInvalidCertificates?: boolean;
+  /** Disables hostname validation of the certificate presented by the mongod/mongos instance. */
+  tlsAllowInvalidHostnames?: boolean;
+  /** Disables various certificate validations. */
+  tlsInsecure?: boolean;
+  /** The time in milliseconds to attempt a connection before timing out. */
+  connectTimeoutMS?: number;
+  /** The time in milliseconds to attempt a send or receive on a socket before the attempt times out. */
+  socketTimeoutMS?: number;
+  /** An array or comma-delimited string of compressors to enable network compression for communication between this client and a mongod/mongos instance. */
+  compressors?: CompressorName[] | string;
+  /** An integer that specifies the compression level if using zlib for network compression. */
+  zlibCompressionLevel?: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | undefined;
+  /** The maximum number of hosts to connect to when using an srv connection string, a setting of `0` means unlimited hosts */
+  srvMaxHosts?: number;
+  /**
+   * Modifies the srv URI to look like:
+   *
+   * `_{srvServiceName}._tcp.{hostname}.{domainname}`
+   *
+   * Querying this DNS URI is expected to respond with SRV records
+   */
+  srvServiceName?: string;
+  /** The maximum number of connections in the connection pool. */
+  maxPoolSize?: number;
+  /** The minimum number of connections in the connection pool. */
+  minPoolSize?: number;
+  /** The maximum number of connections that may be in the process of being established concurrently by the connection pool. */
+  maxConnecting?: number;
+  /** The maximum number of milliseconds that a connection can remain idle in the pool before being removed and closed. */
+  maxIdleTimeMS?: number;
+  /** The maximum time in milliseconds that a thread can wait for a connection to become available. */
+  waitQueueTimeoutMS?: number;
+  /** Specify a read concern for the collection (only MongoDB 3.2 or higher supported) */
+  readConcern?: ReadConcernLike;
+  /** The level of isolation */
+  readConcernLevel?: ReadConcernLevel;
+  /** Specifies the read preferences for this connection */
+  readPreference?: ReadPreferenceMode | ReadPreference;
+  /** Specifies, in seconds, how stale a secondary can be before the client stops using it for read operations. */
+  maxStalenessSeconds?: number;
+  /** Specifies the tags document as a comma-separated list of colon-separated key-value pairs.  */
+  readPreferenceTags?: TagSet[];
+  /** The auth settings for when connection to server. */
+  auth?: Auth;
+  /** Specify the database name associated with the user’s credentials. */
+  authSource?: string;
+  /** Specify the authentication mechanism that MongoDB will use to authenticate the connection. */
+  authMechanism?: AuthMechanism;
+  /** Specify properties for the specified authMechanism as a comma-separated list of colon-separated key-value pairs. */
+  authMechanismProperties?: AuthMechanismProperties;
+  /** The size (in milliseconds) of the latency window for selecting among multiple suitable MongoDB instances. */
+  localThresholdMS?: number;
+  /** Specifies how long (in milliseconds) to block for server selection before throwing an exception.  */
+  serverSelectionTimeoutMS?: number;
+  /** heartbeatFrequencyMS controls when the driver checks the state of the MongoDB deployment. Specify the interval (in milliseconds) between checks, counted from the end of the previous check until the beginning of the next one. */
+  heartbeatFrequencyMS?: number;
+  /** Sets the minimum heartbeat frequency. In the event that the driver has to frequently re-check a server's availability, it will wait at least this long since the previous check to avoid wasted effort. */
+  minHeartbeatFrequencyMS?: number;
+  /** The name of the application that created this MongoClient instance. MongoDB 3.4 and newer will print this value in the server log upon establishing each connection. It is also recorded in the slow query log and profile collections */
+  appName?: string;
+  /** Enables retryable reads. */
+  retryReads?: boolean;
+  /** Enable retryable writes. */
+  retryWrites?: boolean;
+  /** Allow a driver to force a Single topology type with a connection string containing one host */
+  directConnection?: boolean;
+  /** Instruct the driver it is connecting to a load balancer fronting a mongos like service */
+  loadBalanced?: boolean;
+  /**
+   * The write concern w value
+   * @deprecated Please use the `writeConcern` option instead
+   */
+  w?: W;
+  /**
+   * The write concern timeout
+   * @deprecated Please use the `writeConcern` option instead
+   */
+  wtimeoutMS?: number;
+  /**
+   * The journal write concern
+   * @deprecated Please use the `writeConcern` option instead
+   */
+  journal?: boolean;
+  /**
+   * A MongoDB WriteConcern, which describes the level of acknowledgement
+   * requested from MongoDB for write operations.
+   *
+   * @see https://docs.mongodb.com/manual/reference/write-concern/
+   */
+  writeConcern?: WriteConcern | WriteConcernSettings;
+  /** Validate mongod server certificate against Certificate Authority */
+  sslValidate?: boolean;
+  /** SSL Certificate file path. */
+  sslCA?: string;
+  /** SSL Certificate file path. */
+  sslCert?: string;
+  /** SSL Key file file path. */
+  sslKey?: string;
+  /** SSL Certificate pass phrase. */
+  sslPass?: string;
+  /** SSL Certificate revocation list file path. */
+  sslCRL?: string;
+  /** TCP Connection no delay */
+  noDelay?: boolean;
+  /** TCP Connection keep alive enabled */
+  keepAlive?: boolean;
+  /** The number of milliseconds to wait before initiating keepAlive on the TCP socket */
+  keepAliveInitialDelay?: number;
+  /** Force server to assign `_id` values instead of driver */
+  forceServerObjectId?: boolean;
+  /** Return document results as raw BSON buffers */
+  raw?: boolean;
+  /** A primary key factory function for generation of custom `_id` keys */
+  pkFactory?: PkFactory;
+  /** A Promise library class the application wishes to use such as Bluebird, must be ES6 compatible */
+  promiseLibrary?: any;
+  /** The logging level */
+  loggerLevel?: LoggerLevel;
+  /** Custom logger object */
+  logger?: Logger;
+  /** Enable command monitoring for this client */
+  monitorCommands?: boolean;
+  /** Server API version */
+  serverApi?: ServerApi | ServerApiVersion;
+  /**
+   * Optionally enable client side auto encryption
+   *
+   * @remarks
+   *  Automatic encryption is an enterprise only feature that only applies to operations on a collection. Automatic encryption is not supported for operations on a database or view, and operations that are not bypassed will result in error
+   *  (see [libmongocrypt: Auto Encryption Allow-List](https://github.com/mongodb/specifications/blob/master/source/client-side-encryption/client-side-encryption.rst#libmongocrypt-auto-encryption-allow-list)). To bypass automatic encryption for all operations, set bypassAutoEncryption=true in AutoEncryptionOpts.
+   *
+   *  Automatic encryption requires the authenticated user to have the [listCollections privilege action](https://docs.mongodb.com/manual/reference/command/listCollections/#dbcmd.listCollections).
+   *
+   *  If a MongoClient with a limited connection pool size (i.e a non-zero maxPoolSize) is configured with AutoEncryptionOptions, a separate internal MongoClient is created if any of the following are true:
+   *  - AutoEncryptionOptions.keyVaultClient is not passed.
+   *  - AutoEncryptionOptions.bypassAutomaticEncryption is false.
+   *
+   * If an internal MongoClient is created, it is configured with the same options as the parent MongoClient except minPoolSize is set to 0 and AutoEncryptionOptions is omitted.
+   */
+  autoEncryption?: AutoEncryptionOptions;
+  /** Allows a wrapping driver to amend the client metadata generated by the driver to include information about the wrapping driver */
+  driverInfo?: DriverInfo;
+  /** Configures a Socks5 proxy host used for creating TCP connections. */
+  proxyHost?: string;
+  /** Configures a Socks5 proxy port used for creating TCP connections. */
+  proxyPort?: number;
+  /** Configures a Socks5 proxy username when the proxy in proxyHost requires username/password authentication. */
+  proxyUsername?: string;
+  /** Configures a Socks5 proxy password when the proxy in proxyHost requires username/password authentication. */
+  proxyPassword?: string;
+
+  /** @internal */
+  srvPoller?: SrvPoller;
+  /** @internal */
+  connectionType?: typeof Connection;
+
+  /** @internal */
+  [featureFlag: symbol]: any;
+}
+
+/** @public */
+export type WithSessionCallback = (session: ClientSession) => Promise<any>;
+
+/** @internal */
+export interface MongoClientPrivate {
+  url: string;
+  bsonOptions: BSONSerializeOptions;
+  namespace: MongoDBNamespace;
+  hasBeenClosed: boolean;
+  /**
+   * We keep a reference to the sessions that are acquired from the pool.
+   * - used to track and close all sessions in client.close() (which is non-standard behavior)
+   * - used to notify the leak checker in our tests if test author forgot to clean up explicit sessions
+   */
+  readonly activeSessions: Set<ClientSession>;
+  readonly sessionPool: ServerSessionPool;
+  readonly options: MongoOptions;
+  readonly readConcern?: ReadConcern;
+  readonly writeConcern?: WriteConcern;
+  readonly readPreference: ReadPreference;
+  readonly logger: Logger;
+  readonly isMongoClient: true;
+}
+
+/** @public */
+export type MongoClientEvents = Pick<TopologyEvents, typeof MONGO_CLIENT_EVENTS[number]> & {
+  // In previous versions the open event emitted a topology, in an effort to no longer
+  // expose internals but continue to expose this useful event API, it now emits a mongoClient
+  open(mongoClient: MongoClient): void;
+};
+
+/** @internal */
+const kOptions = Symbol('options');
+
+/**
+ * The **MongoClient** class is a class that allows for making Connections to MongoDB.
+ * @public
+ *
+ * @remarks
+ * The programmatically provided options take precedence over the URI options.
+ *
+ * @example
+ * ```js
+ * // Connect using a MongoClient instance
+ * const MongoClient = require('mongodb').MongoClient;
+ * const test = require('assert');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ * // Connect using MongoClient
+ * const mongoClient = new MongoClient(url);
+ * mongoClient.connect(function(err, client) {
+ *   const db = client.db(dbName);
+ *   client.close();
+ * });
+ * ```
+ *
+ * @example
+ * ```js
+ * // Connect using the MongoClient.connect static method
+ * const MongoClient = require('mongodb').MongoClient;
+ * const test = require('assert');
+ * // Connection url
+ * const url = 'mongodb://localhost:27017';
+ * // Database Name
+ * const dbName = 'test';
+ * // Connect using MongoClient
+ * MongoClient.connect(url, function(err, client) {
+ *   const db = client.db(dbName);
+ *   client.close();
+ * });
+ * ```
+ */
+export class MongoClient extends TypedEventEmitter<MongoClientEvents> {
+  /** @internal */
+  s: MongoClientPrivate;
+  /** @internal */
+  topology?: Topology;
+
+  /**
+   * The consolidate, parsed, transformed and merged options.
+   * @internal
+   */
+  [kOptions]: MongoOptions;
+
+  constructor(url: string, options?: MongoClientOptions) {
+    super();
+
+    this[kOptions] = parseOptions(url, this, options);
+
+    // eslint-disable-next-line @typescript-eslint/no-this-alias
+    const client = this;
+
+    // The internal state
+    this.s = {
+      url,
+      bsonOptions: resolveBSONOptions(this[kOptions]),
+      namespace: ns('admin'),
+      hasBeenClosed: false,
+      sessionPool: new ServerSessionPool(this),
+      activeSessions: new Set(),
+
+      get options() {
+        return client[kOptions];
+      },
+      get readConcern() {
+        return client[kOptions].readConcern;
+      },
+      get writeConcern() {
+        return client[kOptions].writeConcern;
+      },
+      get readPreference() {
+        return client[kOptions].readPreference;
+      },
+      get logger() {
+        return client[kOptions].logger;
+      },
+      get isMongoClient(): true {
+        return true;
+      }
+    };
+  }
+
+  get options(): Readonly<MongoOptions> {
+    return Object.freeze({ ...this[kOptions] });
+  }
+
+  get serverApi(): Readonly<ServerApi | undefined> {
+    return this[kOptions].serverApi && Object.freeze({ ...this[kOptions].serverApi });
+  }
+  /**
+   * Intended for APM use only
+   * @internal
+   */
+  get monitorCommands(): boolean {
+    return this[kOptions].monitorCommands;
+  }
+  set monitorCommands(value: boolean) {
+    this[kOptions].monitorCommands = value;
+  }
+
+  get autoEncrypter(): AutoEncrypter | undefined {
+    return this[kOptions].autoEncrypter;
+  }
+
+  get readConcern(): ReadConcern | undefined {
+    return this.s.readConcern;
+  }
+
+  get writeConcern(): WriteConcern | undefined {
+    return this.s.writeConcern;
+  }
+
+  get readPreference(): ReadPreference {
+    return this.s.readPreference;
+  }
+
+  get bsonOptions(): BSONSerializeOptions {
+    return this.s.bsonOptions;
+  }
+
+  get logger(): Logger {
+    return this.s.logger;
+  }
+
+  /**
+   * Connect to MongoDB using a url
+   *
+   * @see docs.mongodb.org/manual/reference/connection-string/
+   */
+  connect(): Promise<this>;
+  connect(callback: Callback<this>): void;
+  connect(callback?: Callback<this>): Promise<this> | void {
+    if (callback && typeof callback !== 'function') {
+      throw new MongoInvalidArgumentError('Method `connect` only accepts a callback');
+    }
+
+    return maybePromise(callback, cb => {
+      connect(this, this[kOptions], err => {
+        if (err) return cb(err);
+        cb(undefined, this);
+      });
+    });
+  }
+
+  /**
+   * Close the db and its underlying connections
+   *
+   * @param force - Force close, emitting no events
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  close(): Promise<void>;
+  close(callback: Callback<void>): void;
+  close(force: boolean): Promise<void>;
+  close(force: boolean, callback: Callback<void>): void;
+  close(
+    forceOrCallback?: boolean | Callback<void>,
+    callback?: Callback<void>
+  ): Promise<void> | void {
+    // There's no way to set hasBeenClosed back to false
+    Object.defineProperty(this.s, 'hasBeenClosed', {
+      value: true,
+      enumerable: true,
+      configurable: false,
+      writable: false
+    });
+
+    if (typeof forceOrCallback === 'function') {
+      callback = forceOrCallback;
+    }
+
+    const force = typeof forceOrCallback === 'boolean' ? forceOrCallback : false;
+
+    return maybePromise(callback, callback => {
+      if (this.topology == null) {
+        // Do not connect just to end sessions
+        return callback();
+      }
+
+      const activeSessionEnds = Array.from(this.s.activeSessions, session => session.endSession());
+      this.s.activeSessions.clear();
+
+      Promise.all(activeSessionEnds)
+        .then(() => {
+          if (this.topology == null) {
+            return;
+          }
+          // If we would attempt to select a server and get nothing back we short circuit
+          // to avoid the server selection timeout.
+          const selector = readPreferenceServerSelector(ReadPreference.primaryPreferred);
+          const topologyDescription = this.topology.description;
+          const serverDescriptions = Array.from(topologyDescription.servers.values());
+          const servers = selector(topologyDescription, serverDescriptions);
+          if (servers.length === 0) {
+            return;
+          }
+
+          const endSessions = Array.from(this.s.sessionPool.sessions, ({ id }) => id);
+          if (endSessions.length === 0) return;
+          return this.db('admin')
+            .command(
+              { endSessions },
+              { readPreference: ReadPreference.primaryPreferred, noResponse: true }
+            )
+            .catch(() => null); // outcome does not matter
+        })
+        .then(() => {
+          if (this.topology == null) {
+            return;
+          }
+          // clear out references to old topology
+          const topology = this.topology;
+          this.topology = undefined;
+
+          return new Promise<void>((resolve, reject) => {
+            topology.close({ force }, error => {
+              if (error) return reject(error);
+              const { encrypter } = this[kOptions];
+              if (encrypter) {
+                return encrypter.close(this, force, error => {
+                  if (error) return reject(error);
+                  resolve();
+                });
+              }
+              resolve();
+            });
+          });
+        })
+        .then(
+          () => callback(),
+          error => callback(error)
+        );
+    });
+  }
+
+  /**
+   * Create a new Db instance sharing the current socket connections.
+   *
+   * @param dbName - The name of the database we want to use. If not provided, use database name from connection string.
+   * @param options - Optional settings for Db construction
+   */
+  db(dbName?: string, options?: DbOptions): Db {
+    options = options ?? {};
+
+    // Default to db from connection string if not provided
+    if (!dbName) {
+      dbName = this.options.dbName;
+    }
+
+    // Copy the options and add out internal override of the not shared flag
+    const finalOptions = Object.assign({}, this[kOptions], options);
+
+    // Return the db object
+    const db = new Db(this, dbName, finalOptions);
+
+    // Return the database
+    return db;
+  }
+
+  /**
+   * Connect to MongoDB using a url
+   *
+   * @remarks
+   * The programmatically provided options take precedence over the URI options.
+   *
+   * @see https://docs.mongodb.org/manual/reference/connection-string/
+   */
+  static connect(url: string): Promise<MongoClient>;
+  static connect(url: string, callback: Callback<MongoClient>): void;
+  static connect(url: string, options: MongoClientOptions): Promise<MongoClient>;
+  static connect(url: string, options: MongoClientOptions, callback: Callback<MongoClient>): void;
+  static connect(
+    url: string,
+    options?: MongoClientOptions | Callback<MongoClient>,
+    callback?: Callback<MongoClient>
+  ): Promise<MongoClient> | void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+
+    try {
+      // Create client
+      const mongoClient = new MongoClient(url, options);
+      // Execute the connect method
+      if (callback) {
+        return mongoClient.connect(callback);
+      } else {
+        return mongoClient.connect();
+      }
+    } catch (error) {
+      if (callback) return callback(error);
+      else return PromiseProvider.get().reject(error);
+    }
+  }
+
+  /** Starts a new session on the server */
+  startSession(): ClientSession;
+  startSession(options: ClientSessionOptions): ClientSession;
+  startSession(options?: ClientSessionOptions): ClientSession {
+    const session = new ClientSession(
+      this,
+      this.s.sessionPool,
+      { explicit: true, ...options },
+      this[kOptions]
+    );
+    this.s.activeSessions.add(session);
+    session.once('ended', () => {
+      this.s.activeSessions.delete(session);
+    });
+    return session;
+  }
+
+  /**
+   * Runs a given operation with an implicitly created session. The lifetime of the session
+   * will be handled without the need for user interaction.
+   *
+   * NOTE: presently the operation MUST return a Promise (either explicit or implicitly as an async function)
+   *
+   * @param options - Optional settings for the command
+   * @param callback - An callback to execute with an implicitly created session
+   */
+  withSession(callback: WithSessionCallback): Promise<void>;
+  withSession(options: ClientSessionOptions, callback: WithSessionCallback): Promise<void>;
+  withSession(
+    optionsOrOperation?: ClientSessionOptions | WithSessionCallback,
+    callback?: WithSessionCallback
+  ): Promise<void> {
+    const options = {
+      // Always define an owner
+      owner: Symbol(),
+      // If it's an object inherit the options
+      ...(typeof optionsOrOperation === 'object' ? optionsOrOperation : {})
+    };
+
+    const withSessionCallback =
+      typeof optionsOrOperation === 'function' ? optionsOrOperation : callback;
+
+    if (withSessionCallback == null) {
+      throw new MongoInvalidArgumentError('Missing required callback parameter');
+    }
+
+    const session = this.startSession(options);
+    const Promise = PromiseProvider.get();
+
+    return Promise.resolve()
+      .then(() => withSessionCallback(session))
+      .then(() => {
+        // Do not return the result of callback
+      })
+      .finally(() => {
+        session.endSession().catch(() => null);
+      });
+  }
+
+  /**
+   * Create a new Change Stream, watching for new changes (insertions, updates,
+   * replacements, deletions, and invalidations) in this cluster. Will ignore all
+   * changes to system collections, as well as the local, admin, and config databases.
+   *
+   * @remarks
+   * watch() accepts two generic arguments for distinct usecases:
+   * - The first is to provide the schema that may be defined for all the data within the current cluster
+   * - The second is to override the shape of the change stream document entirely, if it is not provided the type will default to ChangeStreamDocument of the first argument
+   *
+   * @param pipeline - An array of {@link https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/|aggregation pipeline stages} through which to pass change stream documents. This allows for filtering (using $match) and manipulating the change stream documents.
+   * @param options - Optional settings for the command
+   * @typeParam TSchema - Type of the data being detected by the change stream
+   * @typeParam TChange - Type of the whole change stream document emitted
+   */
+  watch<
+    TSchema extends Document = Document,
+    TChange extends Document = ChangeStreamDocument<TSchema>
+  >(pipeline: Document[] = [], options: ChangeStreamOptions = {}): ChangeStream<TSchema, TChange> {
+    // Allow optionally not specifying a pipeline
+    if (!Array.isArray(pipeline)) {
+      options = pipeline;
+      pipeline = [];
+    }
+
+    return new ChangeStream<TSchema, TChange>(this, pipeline, resolveOptions(this, options));
+  }
+
+  /** Return the mongo client logger */
+  getLogger(): Logger {
+    return this.s.logger;
+  }
+}
+
+/**
+ * Mongo Client Options
+ * @public
+ */
+export interface MongoOptions
+  extends Required<
+      Pick<
+        MongoClientOptions,
+        | 'autoEncryption'
+        | 'connectTimeoutMS'
+        | 'directConnection'
+        | 'driverInfo'
+        | 'forceServerObjectId'
+        | 'minHeartbeatFrequencyMS'
+        | 'heartbeatFrequencyMS'
+        | 'keepAlive'
+        | 'keepAliveInitialDelay'
+        | 'localThresholdMS'
+        | 'logger'
+        | 'maxConnecting'
+        | 'maxIdleTimeMS'
+        | 'maxPoolSize'
+        | 'minPoolSize'
+        | 'monitorCommands'
+        | 'noDelay'
+        | 'pkFactory'
+        | 'promiseLibrary'
+        | 'raw'
+        | 'replicaSet'
+        | 'retryReads'
+        | 'retryWrites'
+        | 'serverSelectionTimeoutMS'
+        | 'socketTimeoutMS'
+        | 'srvMaxHosts'
+        | 'srvServiceName'
+        | 'tlsAllowInvalidCertificates'
+        | 'tlsAllowInvalidHostnames'
+        | 'tlsInsecure'
+        | 'waitQueueTimeoutMS'
+        | 'zlibCompressionLevel'
+      >
+    >,
+    SupportedNodeConnectionOptions {
+  hosts: HostAddress[];
+  srvHost?: string;
+  credentials?: MongoCredentials;
+  readPreference: ReadPreference;
+  readConcern: ReadConcern;
+  loadBalanced: boolean;
+  serverApi: ServerApi;
+  compressors: CompressorName[];
+  writeConcern: WriteConcern;
+  dbName: string;
+  metadata: ClientMetadata;
+  autoEncrypter?: AutoEncrypter;
+  proxyHost?: string;
+  proxyPort?: number;
+  proxyUsername?: string;
+  proxyPassword?: string;
+  /** @internal */
+  connectionType?: typeof Connection;
+
+  /** @internal */
+  encrypter: Encrypter;
+  /** @internal */
+  userSpecifiedAuthSource: boolean;
+  /** @internal */
+  userSpecifiedReplicaSet: boolean;
+
+  /**
+   * # NOTE ABOUT TLS Options
+   *
+   * If set TLS enabled, equivalent to setting the ssl option.
+   *
+   * ### Additional options:
+   *
+   * |    nodejs option     | MongoDB equivalent                                       | type                                   |
+   * |:---------------------|--------------------------------------------------------- |:---------------------------------------|
+   * | `ca`                 | `sslCA`, `tlsCAFile`                                     | `string \| Buffer \| Buffer[]`         |
+   * | `crl`                | `sslCRL`                                                 | `string \| Buffer \| Buffer[]`         |
+   * | `cert`               | `sslCert`, `tlsCertificateFile`, `tlsCertificateKeyFile` | `string \| Buffer \| Buffer[]`         |
+   * | `key`                | `sslKey`, `tlsCertificateKeyFile`                        | `string \| Buffer \| KeyObject[]`      |
+   * | `passphrase`         | `sslPass`, `tlsCertificateKeyFilePassword`               | `string`                               |
+   * | `rejectUnauthorized` | `sslValidate`                                            | `boolean`                              |
+   *
+   */
+  tls: boolean;
+
+  /** @internal */
+  [featureFlag: symbol]: any;
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/mongo_types.ts b/node_modules/mongoose/node_modules/mongodb/src/mongo_types.ts
new file mode 100644
index 000000000..124e9ce9e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/mongo_types.ts
@@ -0,0 +1,548 @@
+import type { ObjectIdLike } from 'bson';
+import { EventEmitter } from 'events';
+
+import type {
+  Binary,
+  BSONRegExp,
+  Decimal128,
+  Document,
+  Double,
+  Int32,
+  Long,
+  ObjectId,
+  Timestamp
+} from './bson';
+import type { Sort } from './sort';
+
+/** @internal */
+export type TODO_NODE_3286 = any;
+
+/** Given an object shaped type, return the type of the _id field or default to ObjectId @public */
+export type InferIdType<TSchema> = TSchema extends { _id: infer IdType }
+  ? // user has defined a type for _id
+    Record<any, never> extends IdType
+    ? never // explicitly forbid empty objects as the type of _id
+    : IdType
+  : TSchema extends { _id?: infer IdType }
+  ? // optional _id defined - return ObjectId | IdType
+    unknown extends IdType
+    ? ObjectId // infer the _id type as ObjectId if the type of _id is unknown
+    : IdType
+  : ObjectId; // user has not defined _id on schema
+
+/** Add an _id field to an object shaped type @public */
+export type WithId<TSchema> = EnhancedOmit<TSchema, '_id'> & { _id: InferIdType<TSchema> };
+
+/**
+ * Add an optional _id field to an object shaped type
+ * @public
+ */
+export type OptionalId<TSchema> = EnhancedOmit<TSchema, '_id'> & { _id?: InferIdType<TSchema> };
+
+/**
+ * Adds an optional _id field to an object shaped type, unless the _id field is requried on that type.
+ * In the case _id is required, this method continues to require_id.
+ *
+ * @public
+ *
+ * @privateRemarks
+ * `ObjectId extends TSchema['_id']` is a confusing ordering at first glance. Rather than ask
+ * `TSchema['_id'] extends ObjectId` which translated to "Is the _id property ObjectId?"
+ * we instead ask "Does ObjectId look like (have the same shape) as the _id?"
+ */
+export type OptionalUnlessRequiredId<TSchema> = TSchema extends { _id: any }
+  ? TSchema
+  : OptionalId<TSchema>;
+
+/** TypeScript Omit (Exclude to be specific) does not work for objects with an "any" indexed type, and breaks discriminated unions @public */
+export type EnhancedOmit<TRecordOrUnion, KeyUnion> = string extends keyof TRecordOrUnion
+  ? TRecordOrUnion // TRecordOrUnion has indexed type e.g. { _id: string; [k: string]: any; } or it is "any"
+  : TRecordOrUnion extends any
+  ? Pick<TRecordOrUnion, Exclude<keyof TRecordOrUnion, KeyUnion>> // discriminated unions
+  : never;
+
+/** Remove the _id field from an object shaped type @public */
+export type WithoutId<TSchema> = Omit<TSchema, '_id'>;
+
+/** A MongoDB filter can be some portion of the schema or a set of operators @public */
+export type Filter<TSchema> =
+  | Partial<TSchema>
+  | ({
+      [Property in Join<NestedPaths<WithId<TSchema>>, '.'>]?: Condition<
+        PropertyType<WithId<TSchema>, Property>
+      >;
+    } & RootFilterOperators<WithId<TSchema>>);
+
+/** @public */
+export type Condition<T> = AlternativeType<T> | FilterOperators<AlternativeType<T>>;
+
+/**
+ * It is possible to search using alternative types in mongodb e.g.
+ * string types can be searched using a regex in mongo
+ * array types can be searched using their element type
+ * @public
+ */
+export type AlternativeType<T> = T extends ReadonlyArray<infer U>
+  ? T | RegExpOrString<U>
+  : RegExpOrString<T>;
+
+/** @public */
+export type RegExpOrString<T> = T extends string ? BSONRegExp | RegExp | T : T;
+
+/** @public */
+export interface RootFilterOperators<TSchema> extends Document {
+  $and?: Filter<TSchema>[];
+  $nor?: Filter<TSchema>[];
+  $or?: Filter<TSchema>[];
+  $text?: {
+    $search: string;
+    $language?: string;
+    $caseSensitive?: boolean;
+    $diacriticSensitive?: boolean;
+  };
+  $where?: string | ((this: TSchema) => boolean);
+  $comment?: string | Document;
+}
+
+/**
+ * @public
+ * A type that extends Document but forbids anything that "looks like" an object id.
+ */
+export type NonObjectIdLikeDocument = {
+  [key in keyof ObjectIdLike]?: never;
+} & Document;
+
+/** @public */
+export interface FilterOperators<TValue> extends NonObjectIdLikeDocument {
+  // Comparison
+  $eq?: TValue;
+  $gt?: TValue;
+  $gte?: TValue;
+  $in?: ReadonlyArray<TValue>;
+  $lt?: TValue;
+  $lte?: TValue;
+  $ne?: TValue;
+  $nin?: ReadonlyArray<TValue>;
+  // Logical
+  $not?: TValue extends string ? FilterOperators<TValue> | RegExp : FilterOperators<TValue>;
+  // Element
+  /**
+   * When `true`, `$exists` matches the documents that contain the field,
+   * including documents where the field value is null.
+   */
+  $exists?: boolean;
+  $type?: BSONType | BSONTypeAlias;
+  // Evaluation
+  $expr?: Record<string, any>;
+  $jsonSchema?: Record<string, any>;
+  $mod?: TValue extends number ? [number, number] : never;
+  $regex?: TValue extends string ? RegExp | BSONRegExp | string : never;
+  $options?: TValue extends string ? string : never;
+  // Geospatial
+  $geoIntersects?: { $geometry: Document };
+  $geoWithin?: Document;
+  $near?: Document;
+  $nearSphere?: Document;
+  $maxDistance?: number;
+  // Array
+  $all?: ReadonlyArray<any>;
+  $elemMatch?: Document;
+  $size?: TValue extends ReadonlyArray<any> ? number : never;
+  // Bitwise
+  $bitsAllClear?: BitwiseFilter;
+  $bitsAllSet?: BitwiseFilter;
+  $bitsAnyClear?: BitwiseFilter;
+  $bitsAnySet?: BitwiseFilter;
+  $rand?: Record<string, never>;
+}
+
+/** @public */
+export type BitwiseFilter =
+  | number /** numeric bit mask */
+  | Binary /** BinData bit mask */
+  | ReadonlyArray<number>; /** `[ <position1>, <position2>, ... ]` */
+
+/** @public */
+export const BSONType = Object.freeze({
+  double: 1,
+  string: 2,
+  object: 3,
+  array: 4,
+  binData: 5,
+  undefined: 6,
+  objectId: 7,
+  bool: 8,
+  date: 9,
+  null: 10,
+  regex: 11,
+  dbPointer: 12,
+  javascript: 13,
+  symbol: 14,
+  javascriptWithScope: 15,
+  int: 16,
+  timestamp: 17,
+  long: 18,
+  decimal: 19,
+  minKey: -1,
+  maxKey: 127
+} as const);
+
+/** @public */
+export type BSONType = typeof BSONType[keyof typeof BSONType];
+/** @public */
+export type BSONTypeAlias = keyof typeof BSONType;
+
+/**
+ * @public
+ * Projection is flexible to permit the wide array of aggregation operators
+ * @deprecated since v4.1.0: Since projections support all aggregation operations we have no plans to narrow this type further
+ */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export type Projection<TSchema extends Document = Document> = Document;
+
+/**
+ * @public
+ * @deprecated since v4.1.0: Since projections support all aggregation operations we have no plans to narrow this type further
+ */
+export type ProjectionOperators = Document;
+
+/** @public */
+export type IsAny<Type, ResultIfAny, ResultIfNotAny> = true extends false & Type
+  ? ResultIfAny
+  : ResultIfNotAny;
+
+/** @public */
+export type Flatten<Type> = Type extends ReadonlyArray<infer Item> ? Item : Type;
+
+/** @public */
+export type ArrayElement<Type> = Type extends ReadonlyArray<infer Item> ? Item : never;
+
+/** @public */
+export type SchemaMember<T, V> = { [P in keyof T]?: V } | { [key: string]: V };
+
+/** @public */
+export type IntegerType = number | Int32 | Long;
+
+/** @public */
+export type NumericType = IntegerType | Decimal128 | Double;
+
+/** @public */
+export type FilterOperations<T> = T extends Record<string, any>
+  ? { [key in keyof T]?: FilterOperators<T[key]> }
+  : FilterOperators<T>;
+
+/** @public */
+export type KeysOfAType<TSchema, Type> = {
+  [key in keyof TSchema]: NonNullable<TSchema[key]> extends Type ? key : never;
+}[keyof TSchema];
+
+/** @public */
+export type KeysOfOtherType<TSchema, Type> = {
+  [key in keyof TSchema]: NonNullable<TSchema[key]> extends Type ? never : key;
+}[keyof TSchema];
+
+/** @public */
+export type AcceptedFields<TSchema, FieldType, AssignableType> = {
+  readonly [key in KeysOfAType<TSchema, FieldType>]?: AssignableType;
+};
+
+/** It avoids using fields with not acceptable types @public */
+export type NotAcceptedFields<TSchema, FieldType> = {
+  readonly [key in KeysOfOtherType<TSchema, FieldType>]?: never;
+};
+
+/** @public */
+export type OnlyFieldsOfType<TSchema, FieldType = any, AssignableType = FieldType> = IsAny<
+  TSchema[keyof TSchema],
+  Record<string, FieldType>,
+  AcceptedFields<TSchema, FieldType, AssignableType> &
+    NotAcceptedFields<TSchema, FieldType> &
+    Record<string, AssignableType>
+>;
+
+/** @public */
+export type MatchKeysAndValues<TSchema> = Readonly<
+  {
+    [Property in Join<NestedPaths<TSchema>, '.'>]?: PropertyType<TSchema, Property>;
+  } & {
+    [Property in `${NestedPathsOfType<TSchema, any[]>}.$${`[${string}]` | ''}`]?: ArrayElement<
+      PropertyType<TSchema, Property extends `${infer Key}.$${string}` ? Key : never>
+    >;
+  } & {
+    [Property in `${NestedPathsOfType<TSchema, Record<string, any>[]>}.$${
+      | `[${string}]`
+      | ''}.${string}`]?: any; // Could be further narrowed
+  }
+>;
+
+/** @public */
+export type AddToSetOperators<Type> = {
+  $each?: Array<Flatten<Type>>;
+};
+
+/** @public */
+export type ArrayOperator<Type> = {
+  $each?: Array<Flatten<Type>>;
+  $slice?: number;
+  $position?: number;
+  $sort?: Sort;
+};
+
+/** @public */
+export type SetFields<TSchema> = ({
+  readonly [key in KeysOfAType<TSchema, ReadonlyArray<any> | undefined>]?:
+    | OptionalId<Flatten<TSchema[key]>>
+    | AddToSetOperators<Array<OptionalId<Flatten<TSchema[key]>>>>;
+} & NotAcceptedFields<TSchema, ReadonlyArray<any> | undefined>) & {
+  readonly [key: string]: AddToSetOperators<any> | any;
+};
+
+/** @public */
+export type PushOperator<TSchema> = ({
+  readonly [key in KeysOfAType<TSchema, ReadonlyArray<any>>]?:
+    | Flatten<TSchema[key]>
+    | ArrayOperator<Array<Flatten<TSchema[key]>>>;
+} & NotAcceptedFields<TSchema, ReadonlyArray<any>>) & {
+  readonly [key: string]: ArrayOperator<any> | any;
+};
+
+/** @public */
+export type PullOperator<TSchema> = ({
+  readonly [key in KeysOfAType<TSchema, ReadonlyArray<any>>]?:
+    | Partial<Flatten<TSchema[key]>>
+    | FilterOperations<Flatten<TSchema[key]>>;
+} & NotAcceptedFields<TSchema, ReadonlyArray<any>>) & {
+  readonly [key: string]: FilterOperators<any> | any;
+};
+
+/** @public */
+export type PullAllOperator<TSchema> = ({
+  readonly [key in KeysOfAType<TSchema, ReadonlyArray<any>>]?: TSchema[key];
+} & NotAcceptedFields<TSchema, ReadonlyArray<any>>) & {
+  readonly [key: string]: ReadonlyArray<any>;
+};
+
+/** @public */
+export type UpdateFilter<TSchema> = {
+  $currentDate?: OnlyFieldsOfType<
+    TSchema,
+    Date | Timestamp,
+    true | { $type: 'date' | 'timestamp' }
+  >;
+  $inc?: OnlyFieldsOfType<TSchema, NumericType | undefined>;
+  $min?: MatchKeysAndValues<TSchema>;
+  $max?: MatchKeysAndValues<TSchema>;
+  $mul?: OnlyFieldsOfType<TSchema, NumericType | undefined>;
+  $rename?: Record<string, string>;
+  $set?: MatchKeysAndValues<TSchema>;
+  $setOnInsert?: MatchKeysAndValues<TSchema>;
+  $unset?: OnlyFieldsOfType<TSchema, any, '' | true | 1>;
+  $addToSet?: SetFields<TSchema>;
+  $pop?: OnlyFieldsOfType<TSchema, ReadonlyArray<any>, 1 | -1>;
+  $pull?: PullOperator<TSchema>;
+  $push?: PushOperator<TSchema>;
+  $pullAll?: PullAllOperator<TSchema>;
+  $bit?: OnlyFieldsOfType<
+    TSchema,
+    NumericType | undefined,
+    { and: IntegerType } | { or: IntegerType } | { xor: IntegerType }
+  >;
+} & Document;
+
+/** @public */
+export type Nullable<AnyType> = AnyType | null | undefined;
+
+/** @public */
+export type OneOrMore<T> = T | ReadonlyArray<T>;
+
+/** @public */
+export type GenericListener = (...args: any[]) => void;
+
+/**
+ * Event description type
+ * @public
+ */
+export type EventsDescription = Record<string, GenericListener>;
+
+/** @public */
+export type CommonEvents = 'newListener' | 'removeListener';
+
+/**
+ * Typescript type safe event emitter
+ * @public
+ */
+export declare interface TypedEventEmitter<Events extends EventsDescription> extends EventEmitter {
+  addListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+  addListener(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  addListener(event: string | symbol, listener: GenericListener): this;
+
+  on<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+  on(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  on(event: string | symbol, listener: GenericListener): this;
+
+  once<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+  once(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  once(event: string | symbol, listener: GenericListener): this;
+
+  removeListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+  removeListener(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  removeListener(event: string | symbol, listener: GenericListener): this;
+
+  off<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+  off(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  off(event: string | symbol, listener: GenericListener): this;
+
+  removeAllListeners<EventKey extends keyof Events>(
+    event?: EventKey | CommonEvents | symbol | string
+  ): this;
+
+  listeners<EventKey extends keyof Events>(
+    event: EventKey | CommonEvents | symbol | string
+  ): Events[EventKey][];
+
+  rawListeners<EventKey extends keyof Events>(
+    event: EventKey | CommonEvents | symbol | string
+  ): Events[EventKey][];
+
+  emit<EventKey extends keyof Events>(
+    event: EventKey | symbol,
+    ...args: Parameters<Events[EventKey]>
+  ): boolean;
+
+  listenerCount<EventKey extends keyof Events>(
+    type: EventKey | CommonEvents | symbol | string
+  ): number;
+
+  prependListener<EventKey extends keyof Events>(event: EventKey, listener: Events[EventKey]): this;
+  prependListener(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  prependListener(event: string | symbol, listener: GenericListener): this;
+
+  prependOnceListener<EventKey extends keyof Events>(
+    event: EventKey,
+    listener: Events[EventKey]
+  ): this;
+  prependOnceListener(
+    event: CommonEvents,
+    listener: (eventName: string | symbol, listener: GenericListener) => void
+  ): this;
+  prependOnceListener(event: string | symbol, listener: GenericListener): this;
+
+  eventNames(): string[];
+  getMaxListeners(): number;
+  setMaxListeners(n: number): this;
+}
+
+/**
+ * Typescript type safe event emitter
+ * @public
+ */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export class TypedEventEmitter<Events extends EventsDescription> extends EventEmitter {}
+
+/** @public */
+export class CancellationToken extends TypedEventEmitter<{ cancel(): void }> {}
+
+/**
+ * Helper types for dot-notation filter attributes
+ */
+
+/** @public */
+export type Join<T extends unknown[], D extends string> = T extends []
+  ? ''
+  : T extends [string | number]
+  ? `${T[0]}`
+  : T extends [string | number, ...infer R]
+  ? `${T[0]}${D}${Join<R, D>}`
+  : string;
+
+/** @public */
+export type PropertyType<Type, Property extends string> = string extends Property
+  ? unknown
+  : Property extends keyof Type
+  ? Type[Property]
+  : Property extends `${number}`
+  ? Type extends ReadonlyArray<infer ArrayType>
+    ? ArrayType
+    : unknown
+  : Property extends `${infer Key}.${infer Rest}`
+  ? Key extends `${number}`
+    ? Type extends ReadonlyArray<infer ArrayType>
+      ? PropertyType<ArrayType, Rest>
+      : unknown
+    : Key extends keyof Type
+    ? Type[Key] extends Map<string, infer MapType>
+      ? MapType
+      : PropertyType<Type[Key], Rest>
+    : unknown
+  : unknown;
+
+/**
+ * @public
+ * returns tuple of strings (keys to be joined on '.') that represent every path into a schema
+ * https://docs.mongodb.com/manual/tutorial/query-embedded-documents/
+ */
+export type NestedPaths<Type> = Type extends
+  | string
+  | number
+  | boolean
+  | Date
+  | RegExp
+  | Buffer
+  | Uint8Array
+  | ((...args: any[]) => any)
+  | { _bsontype: string }
+  ? []
+  : Type extends ReadonlyArray<infer ArrayType>
+  ? [] | [number, ...NestedPaths<ArrayType>]
+  : Type extends Map<string, any>
+  ? [string]
+  : Type extends object
+  ? {
+      [Key in Extract<keyof Type, string>]: Type[Key] extends Type // type of value extends the parent
+        ? [Key]
+        : // for a recursive union type, the child will never extend the parent type.
+        // but the parent will still extend the child
+        Type extends Type[Key]
+        ? [Key]
+        : Type[Key] extends ReadonlyArray<infer ArrayType> // handling recursive types with arrays
+        ? Type extends ArrayType // is the type of the parent the same as the type of the array?
+          ? [Key] // yes, it's a recursive array type
+          : // for unions, the child type extends the parent
+          ArrayType extends Type
+          ? [Key] // we have a recursive array union
+          : // child is an array, but it's not a recursive array
+            [Key, ...NestedPaths<Type[Key]>]
+        : // child is not structured the same as the parent
+          [Key, ...NestedPaths<Type[Key]>] | [Key];
+    }[Extract<keyof Type, string>]
+  : [];
+
+/**
+ * @public
+ * returns keys (strings) for every path into a schema with a value of type
+ * https://docs.mongodb.com/manual/tutorial/query-embedded-documents/
+ */
+export type NestedPathsOfType<TSchema, Type> = KeysOfAType<
+  {
+    [Property in Join<NestedPaths<TSchema>, '.'>]: PropertyType<TSchema, Property>;
+  },
+  Type
+>;
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/add_user.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/add_user.ts
new file mode 100644
index 000000000..3d0c08e79
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/add_user.ts
@@ -0,0 +1,118 @@
+import * as crypto from 'crypto';
+
+import type { Document } from '../bson';
+import type { Db } from '../db';
+import { MongoInvalidArgumentError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, emitWarningOnce, getTopology } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface RoleSpecification {
+  /**
+   * A role grants privileges to perform sets of actions on defined resources.
+   * A given role applies to the database on which it is defined and can grant access down to a collection level of granularity.
+   */
+  role: string;
+  /** The database this user's role should effect. */
+  db: string;
+}
+
+/** @public */
+export interface AddUserOptions extends CommandOperationOptions {
+  /** @deprecated Please use db.command('createUser', ...) instead for this option */
+  digestPassword?: null;
+  /** Roles associated with the created user */
+  roles?: string | string[] | RoleSpecification | RoleSpecification[];
+  /** Custom data associated with the user (only Mongodb 2.6 or higher) */
+  customData?: Document;
+}
+
+/** @internal */
+export class AddUserOperation extends CommandOperation<Document> {
+  override options: AddUserOptions;
+  db: Db;
+  username: string;
+  password?: string;
+
+  constructor(db: Db, username: string, password: string | undefined, options?: AddUserOptions) {
+    super(db, options);
+
+    this.db = db;
+    this.username = username;
+    this.password = password;
+    this.options = options ?? {};
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const db = this.db;
+    const username = this.username;
+    const password = this.password;
+    const options = this.options;
+
+    // Error out if digestPassword set
+    if (options.digestPassword != null) {
+      return callback(
+        new MongoInvalidArgumentError(
+          'Option "digestPassword" not supported via addUser, use db.command(...) instead'
+        )
+      );
+    }
+
+    let roles;
+    if (!options.roles || (Array.isArray(options.roles) && options.roles.length === 0)) {
+      emitWarningOnce(
+        'Creating a user without roles is deprecated. Defaults to "root" if db is "admin" or "dbOwner" otherwise'
+      );
+      if (db.databaseName.toLowerCase() === 'admin') {
+        roles = ['root'];
+      } else {
+        roles = ['dbOwner'];
+      }
+    } else {
+      roles = Array.isArray(options.roles) ? options.roles : [options.roles];
+    }
+
+    let topology;
+    try {
+      topology = getTopology(db);
+    } catch (error) {
+      return callback(error);
+    }
+
+    const digestPassword = topology.lastHello().maxWireVersion >= 7;
+
+    let userPassword = password;
+
+    if (!digestPassword) {
+      // Use node md5 generator
+      const md5 = crypto.createHash('md5');
+      // Generate keys used for authentication
+      md5.update(`${username}:mongo:${password}`);
+      userPassword = md5.digest('hex');
+    }
+
+    // Build the command to execute
+    const command: Document = {
+      createUser: username,
+      customData: options.customData || {},
+      roles: roles,
+      digestPassword
+    };
+
+    // No password
+    if (typeof password === 'string') {
+      command.pwd = userPassword;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+defineAspects(AddUserOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/aggregate.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/aggregate.ts
new file mode 100644
index 000000000..1acc6ac62
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/aggregate.ts
@@ -0,0 +1,144 @@
+import type { Document } from '../bson';
+import { MongoInvalidArgumentError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, maxWireVersion, MongoDBNamespace } from '../utils';
+import { CollationOptions, CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects, Hint } from './operation';
+
+/** @internal */
+export const DB_AGGREGATE_COLLECTION = 1 as const;
+const MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT = 8 as const;
+
+/** @public */
+export interface AggregateOptions extends CommandOperationOptions {
+  /** allowDiskUse lets the server know if it can use disk to store temporary results for the aggregation (requires mongodb 2.6 \>). */
+  allowDiskUse?: boolean;
+  /** The number of documents to return per batch. See [aggregation documentation](https://docs.mongodb.com/manual/reference/command/aggregate). */
+  batchSize?: number;
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** Return the query as cursor, on 2.6 \> it returns as a real cursor on pre 2.6 it returns as an emulated cursor. */
+  cursor?: Document;
+  /** specifies a cumulative time limit in milliseconds for processing operations on the cursor. MongoDB interrupts the operation at the earliest following interrupt point. */
+  maxTimeMS?: number;
+  /** The maximum amount of time for the server to wait on new documents to satisfy a tailable cursor query. */
+  maxAwaitTimeMS?: number;
+  /** Specify collation. */
+  collation?: CollationOptions;
+  /** Add an index selection hint to an aggregation command */
+  hint?: Hint;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+
+  out?: string;
+}
+
+/** @internal */
+export class AggregateOperation<T = Document> extends CommandOperation<T> {
+  override options: AggregateOptions;
+  target: string | typeof DB_AGGREGATE_COLLECTION;
+  pipeline: Document[];
+  hasWriteStage: boolean;
+
+  constructor(ns: MongoDBNamespace, pipeline: Document[], options?: AggregateOptions) {
+    super(undefined, { ...options, dbName: ns.db });
+
+    this.options = options ?? {};
+
+    // Covers when ns.collection is null, undefined or the empty string, use DB_AGGREGATE_COLLECTION
+    this.target = ns.collection || DB_AGGREGATE_COLLECTION;
+
+    this.pipeline = pipeline;
+
+    // determine if we have a write stage, override read preference if so
+    this.hasWriteStage = false;
+    if (typeof options?.out === 'string') {
+      this.pipeline = this.pipeline.concat({ $out: options.out });
+      this.hasWriteStage = true;
+    } else if (pipeline.length > 0) {
+      const finalStage = pipeline[pipeline.length - 1];
+      if (finalStage.$out || finalStage.$merge) {
+        this.hasWriteStage = true;
+      }
+    }
+
+    if (this.hasWriteStage) {
+      this.trySecondaryWrite = true;
+    }
+
+    if (this.explain && this.writeConcern) {
+      throw new MongoInvalidArgumentError(
+        'Option "explain" cannot be used on an aggregate call with writeConcern'
+      );
+    }
+
+    if (options?.cursor != null && typeof options.cursor !== 'object') {
+      throw new MongoInvalidArgumentError('Cursor options must be an object');
+    }
+  }
+
+  override get canRetryRead(): boolean {
+    return !this.hasWriteStage;
+  }
+
+  addToPipeline(stage: Document): void {
+    this.pipeline.push(stage);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<T>
+  ): void {
+    const options: AggregateOptions = this.options;
+    const serverWireVersion = maxWireVersion(server);
+    const command: Document = { aggregate: this.target, pipeline: this.pipeline };
+
+    if (this.hasWriteStage && serverWireVersion < MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT) {
+      this.readConcern = undefined;
+    }
+
+    if (serverWireVersion >= 5) {
+      if (this.hasWriteStage && this.writeConcern) {
+        Object.assign(command, { writeConcern: this.writeConcern });
+      }
+    }
+
+    if (options.bypassDocumentValidation === true) {
+      command.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+
+    if (typeof options.allowDiskUse === 'boolean') {
+      command.allowDiskUse = options.allowDiskUse;
+    }
+
+    if (options.hint) {
+      command.hint = options.hint;
+    }
+
+    if (options.let) {
+      command.let = options.let;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      command.comment = options.comment;
+    }
+
+    command.cursor = options.cursor || {};
+    if (options.batchSize && !this.hasWriteStage) {
+      command.cursor.batchSize = options.batchSize;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+defineAspects(AggregateOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.EXPLAINABLE,
+  Aspect.CURSOR_CREATING
+]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/bulk_write.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/bulk_write.ts
new file mode 100644
index 000000000..627dc709a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/bulk_write.ts
@@ -0,0 +1,67 @@
+import type {
+  AnyBulkWriteOperation,
+  BulkOperationBase,
+  BulkWriteOptions,
+  BulkWriteResult
+} from '../bulk/common';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractOperation, Aspect, defineAspects } from './operation';
+
+/** @internal */
+export class BulkWriteOperation extends AbstractOperation<BulkWriteResult> {
+  override options: BulkWriteOptions;
+  collection: Collection;
+  operations: AnyBulkWriteOperation[];
+
+  constructor(
+    collection: Collection,
+    operations: AnyBulkWriteOperation[],
+    options: BulkWriteOptions
+  ) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+    this.operations = operations;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<BulkWriteResult>
+  ): void {
+    const coll = this.collection;
+    const operations = this.operations;
+    const options = { ...this.options, ...this.bsonOptions, readPreference: this.readPreference };
+
+    // Create the bulk operation
+    const bulk: BulkOperationBase =
+      options.ordered === false
+        ? coll.initializeUnorderedBulkOp(options)
+        : coll.initializeOrderedBulkOp(options);
+
+    // for each op go through and add to the bulk
+    try {
+      for (let i = 0; i < operations.length; i++) {
+        bulk.raw(operations[i]);
+      }
+    } catch (err) {
+      return callback(err);
+    }
+
+    // Execute the bulk
+    bulk.execute({ ...options, session }, (err, r) => {
+      // We have connection level error
+      if (!r && err) {
+        return callback(err);
+      }
+
+      // Return the results
+      callback(undefined, r);
+    });
+  }
+}
+
+defineAspects(BulkWriteOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/collections.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/collections.ts
new file mode 100644
index 000000000..8b314865a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/collections.ts
@@ -0,0 +1,48 @@
+import { Collection } from '../collection';
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractOperation, OperationOptions } from './operation';
+
+export interface CollectionsOptions extends OperationOptions {
+  nameOnly?: boolean;
+}
+
+/** @internal */
+export class CollectionsOperation extends AbstractOperation<Collection[]> {
+  override options: CollectionsOptions;
+  db: Db;
+
+  constructor(db: Db, options: CollectionsOptions) {
+    super(options);
+    this.options = options;
+    this.db = db;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Collection[]>
+  ): void {
+    const db = this.db;
+
+    // Let's get the collection names
+    db.listCollections(
+      {},
+      { ...this.options, nameOnly: true, readPreference: this.readPreference, session }
+    ).toArray((err, documents) => {
+      if (err || !documents) return callback(err);
+      // Filter collections removing any illegal ones
+      documents = documents.filter(doc => doc.name.indexOf('$') === -1);
+
+      // Return the collection objects
+      callback(
+        undefined,
+        documents.map(d => {
+          return new Collection(db, d.name, db.s.options);
+        })
+      );
+    });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/command.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/command.ts
new file mode 100644
index 000000000..57186ab42
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/command.ts
@@ -0,0 +1,193 @@
+import type { BSONSerializeOptions, Document } from '../bson';
+import { MongoCompatibilityError, MongoInvalidArgumentError } from '../error';
+import { Explain, ExplainOptions } from '../explain';
+import type { Logger } from '../logger';
+import { ReadConcern } from '../read_concern';
+import type { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import { MIN_SECONDARY_WRITE_WIRE_VERSION } from '../sdam/server_selection';
+import type { ClientSession } from '../sessions';
+import {
+  Callback,
+  commandSupportsReadConcern,
+  decorateWithExplain,
+  maxWireVersion,
+  MongoDBNamespace
+} from '../utils';
+import { WriteConcern, WriteConcernOptions } from '../write_concern';
+import type { ReadConcernLike } from './../read_concern';
+import { AbstractOperation, Aspect, OperationOptions } from './operation';
+
+const SUPPORTS_WRITE_CONCERN_AND_COLLATION = 5;
+
+/** @public */
+export interface CollationOptions {
+  locale: string;
+  caseLevel?: boolean;
+  caseFirst?: string;
+  strength?: number;
+  numericOrdering?: boolean;
+  alternate?: string;
+  maxVariable?: string;
+  backwards?: boolean;
+  normalization?: boolean;
+}
+
+/** @public */
+export interface CommandOperationOptions
+  extends OperationOptions,
+    WriteConcernOptions,
+    ExplainOptions {
+  /** @deprecated This option does nothing */
+  fullResponse?: boolean;
+  /** Specify a read concern and level for the collection. (only MongoDB 3.2 or higher supported) */
+  readConcern?: ReadConcernLike;
+  /** Collation */
+  collation?: CollationOptions;
+  maxTimeMS?: number;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions pre-4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+   */
+  comment?: unknown;
+  /** Should retry failed writes */
+  retryWrites?: boolean;
+
+  // Admin command overrides.
+  dbName?: string;
+  authdb?: string;
+  noResponse?: boolean;
+}
+
+/** @internal */
+export interface OperationParent {
+  s: { namespace: MongoDBNamespace };
+  readConcern?: ReadConcern;
+  writeConcern?: WriteConcern;
+  readPreference?: ReadPreference;
+  logger?: Logger;
+  bsonOptions?: BSONSerializeOptions;
+}
+
+/** @internal */
+export abstract class CommandOperation<T> extends AbstractOperation<T> {
+  override options: CommandOperationOptions;
+  readConcern?: ReadConcern;
+  writeConcern?: WriteConcern;
+  explain?: Explain;
+  logger?: Logger;
+
+  constructor(parent?: OperationParent, options?: CommandOperationOptions) {
+    super(options);
+    this.options = options ?? {};
+
+    // NOTE: this was explicitly added for the add/remove user operations, it's likely
+    //       something we'd want to reconsider. Perhaps those commands can use `Admin`
+    //       as a parent?
+    const dbNameOverride = options?.dbName || options?.authdb;
+    if (dbNameOverride) {
+      this.ns = new MongoDBNamespace(dbNameOverride, '$cmd');
+    } else {
+      this.ns = parent
+        ? parent.s.namespace.withCollection('$cmd')
+        : new MongoDBNamespace('admin', '$cmd');
+    }
+
+    this.readConcern = ReadConcern.fromOptions(options);
+    this.writeConcern = WriteConcern.fromOptions(options);
+
+    // TODO(NODE-2056): make logger another "inheritable" property
+    if (parent && parent.logger) {
+      this.logger = parent.logger;
+    }
+
+    if (this.hasAspect(Aspect.EXPLAINABLE)) {
+      this.explain = Explain.fromOptions(options);
+    } else if (options?.explain != null) {
+      throw new MongoInvalidArgumentError(`Option "explain" is not supported on this command`);
+    }
+  }
+
+  override get canRetryWrite(): boolean {
+    if (this.hasAspect(Aspect.EXPLAINABLE)) {
+      return this.explain == null;
+    }
+    return true;
+  }
+
+  abstract override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<T>
+  ): void;
+
+  executeCommand(
+    server: Server,
+    session: ClientSession | undefined,
+    cmd: Document,
+    callback: Callback
+  ): void {
+    // TODO: consider making this a non-enumerable property
+    this.server = server;
+
+    const options = {
+      ...this.options,
+      ...this.bsonOptions,
+      readPreference: this.readPreference,
+      session
+    };
+
+    const serverWireVersion = maxWireVersion(server);
+    const inTransaction = this.session && this.session.inTransaction();
+
+    if (this.readConcern && commandSupportsReadConcern(cmd) && !inTransaction) {
+      Object.assign(cmd, { readConcern: this.readConcern });
+    }
+
+    if (this.trySecondaryWrite && serverWireVersion < MIN_SECONDARY_WRITE_WIRE_VERSION) {
+      options.omitReadPreference = true;
+    }
+
+    if (options.collation && serverWireVersion < SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+      callback(
+        new MongoCompatibilityError(
+          `Server ${server.name}, which reports wire version ${serverWireVersion}, does not support collation`
+        )
+      );
+      return;
+    }
+
+    if (this.writeConcern && this.hasAspect(Aspect.WRITE_OPERATION) && !inTransaction) {
+      Object.assign(cmd, { writeConcern: this.writeConcern });
+    }
+
+    if (serverWireVersion >= SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+      if (
+        options.collation &&
+        typeof options.collation === 'object' &&
+        !this.hasAspect(Aspect.SKIP_COLLATION)
+      ) {
+        Object.assign(cmd, { collation: options.collation });
+      }
+    }
+
+    if (typeof options.maxTimeMS === 'number') {
+      cmd.maxTimeMS = options.maxTimeMS;
+    }
+
+    if (this.hasAspect(Aspect.EXPLAINABLE) && this.explain) {
+      if (serverWireVersion < 6 && cmd.aggregate) {
+        // Prior to 3.6, with aggregate, verbosity is ignored, and we must pass in "explain: true"
+        cmd.explain = true;
+      } else {
+        cmd = decorateWithExplain(cmd, this.explain);
+      }
+    }
+
+    server.command(this.ns, cmd, options, callback);
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/common_functions.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/common_functions.ts
new file mode 100644
index 000000000..a439aca7e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/common_functions.ts
@@ -0,0 +1,102 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Db } from '../db';
+import { MongoTopologyClosedError } from '../error';
+import type { ReadPreference } from '../read_preference';
+import type { ClientSession } from '../sessions';
+import { Callback, getTopology } from '../utils';
+
+/** @public */
+export interface IndexInformationOptions {
+  full?: boolean;
+  readPreference?: ReadPreference;
+  session?: ClientSession;
+}
+/**
+ * Retrieves this collections index info.
+ *
+ * @param db - The Db instance on which to retrieve the index info.
+ * @param name - The name of the collection.
+ */
+export function indexInformation(db: Db, name: string, callback: Callback): void;
+export function indexInformation(
+  db: Db,
+  name: string,
+  options: IndexInformationOptions,
+  callback?: Callback
+): void;
+export function indexInformation(
+  db: Db,
+  name: string,
+  _optionsOrCallback: IndexInformationOptions | Callback,
+  _callback?: Callback
+): void {
+  let options = _optionsOrCallback as IndexInformationOptions;
+  let callback = _callback as Callback;
+  if ('function' === typeof _optionsOrCallback) {
+    callback = _optionsOrCallback;
+    options = {};
+  }
+  // If we specified full information
+  const full = options.full == null ? false : options.full;
+
+  let topology;
+  try {
+    topology = getTopology(db);
+  } catch (error) {
+    return callback(error);
+  }
+
+  // Did the user destroy the topology
+  if (topology.isDestroyed()) return callback(new MongoTopologyClosedError());
+  // Process all the results from the index command and collection
+  function processResults(indexes: any) {
+    // Contains all the information
+    const info: any = {};
+    // Process all the indexes
+    for (let i = 0; i < indexes.length; i++) {
+      const index = indexes[i];
+      // Let's unpack the object
+      info[index.name] = [];
+      for (const name in index.key) {
+        info[index.name].push([name, index.key[name]]);
+      }
+    }
+
+    return info;
+  }
+
+  // Get the list of indexes of the specified collection
+  db.collection(name)
+    .listIndexes(options)
+    .toArray((err, indexes) => {
+      if (err) return callback(err);
+      if (!Array.isArray(indexes)) return callback(undefined, []);
+      if (full) return callback(undefined, indexes);
+      callback(undefined, processResults(indexes));
+    });
+}
+
+export function prepareDocs(
+  coll: Collection,
+  docs: Document[],
+  options: { forceServerObjectId?: boolean }
+): Document[] {
+  const forceServerObjectId =
+    typeof options.forceServerObjectId === 'boolean'
+      ? options.forceServerObjectId
+      : coll.s.db.options?.forceServerObjectId;
+
+  // no need to modify the docs if server sets the ObjectId
+  if (forceServerObjectId === true) {
+    return docs;
+  }
+
+  return docs.map(doc => {
+    if (doc._id == null) {
+      doc._id = coll.s.pkFactory.createPk();
+    }
+
+    return doc;
+  });
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/connect.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/connect.ts
new file mode 100644
index 000000000..a71e95867
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/connect.ts
@@ -0,0 +1,107 @@
+import { resolveSRVRecord } from '../connection_string';
+import { MONGO_CLIENT_EVENTS } from '../constants';
+import { MongoInvalidArgumentError, MongoRuntimeError } from '../error';
+import type { MongoClient, MongoOptions } from '../mongo_client';
+import { Topology } from '../sdam/topology';
+import type { Callback } from '../utils';
+
+export function connect(
+  mongoClient: MongoClient,
+  options: MongoOptions,
+  callback: Callback<MongoClient>
+): void {
+  if (!callback) {
+    throw new MongoInvalidArgumentError('Callback function must be provided');
+  }
+
+  // If a connection already been established, we can terminate early
+  if (mongoClient.topology && mongoClient.topology.isConnected()) {
+    return callback(undefined, mongoClient);
+  }
+
+  const logger = mongoClient.logger;
+  const connectCallback: Callback = err => {
+    const warningMessage =
+      'seed list contains no mongos proxies, replicaset connections requires ' +
+      'the parameter replicaSet to be supplied in the URI or options object, ' +
+      'mongodb://server:port/db?replicaSet=name';
+    if (err && err.message === 'no mongos proxies found in seed list') {
+      if (logger.isWarn()) {
+        logger.warn(warningMessage);
+      }
+
+      // Return a more specific error message for MongoClient.connect
+      // TODO(NODE-3483)
+      return callback(new MongoRuntimeError(warningMessage));
+    }
+
+    callback(err, mongoClient);
+  };
+
+  if (typeof options.srvHost === 'string') {
+    return resolveSRVRecord(options, (err, hosts) => {
+      if (err || !hosts) return callback(err);
+      for (const [index, host] of hosts.entries()) {
+        options.hosts[index] = host;
+      }
+
+      return createTopology(mongoClient, options, connectCallback);
+    });
+  }
+
+  return createTopology(mongoClient, options, connectCallback);
+}
+
+function createTopology(
+  mongoClient: MongoClient,
+  options: MongoOptions,
+  callback: Callback<Topology>
+) {
+  // Create the topology
+  const topology = new Topology(options.hosts, options);
+  // Events can be emitted before initialization is complete so we have to
+  // save the reference to the topology on the client ASAP if the event handlers need to access it
+  mongoClient.topology = topology;
+  topology.client = mongoClient;
+
+  topology.once(Topology.OPEN, () => mongoClient.emit('open', mongoClient));
+
+  for (const event of MONGO_CLIENT_EVENTS) {
+    topology.on(event, (...args: any[]) => mongoClient.emit(event, ...(args as any)));
+  }
+
+  // initialize CSFLE if requested
+  if (mongoClient.autoEncrypter) {
+    mongoClient.autoEncrypter.init(err => {
+      if (err) {
+        return callback(err);
+      }
+
+      topology.connect(options, err => {
+        if (err) {
+          topology.close({ force: true });
+          return callback(err);
+        }
+
+        options.encrypter.connectInternalClient(error => {
+          if (error) return callback(error);
+
+          callback(undefined, topology);
+        });
+      });
+    });
+
+    return;
+  }
+
+  // otherwise connect normally
+  topology.connect(options, err => {
+    if (err) {
+      topology.close({ force: true });
+      return callback(err);
+    }
+
+    callback(undefined, topology);
+    return;
+  });
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/count.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/count.ts
new file mode 100644
index 000000000..8d94b84ea
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/count.ts
@@ -0,0 +1,68 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback, MongoDBNamespace } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface CountOptions extends CommandOperationOptions {
+  /** The number of documents to skip. */
+  skip?: number;
+  /** The maximum amounts to count before aborting. */
+  limit?: number;
+  /** Number of milliseconds to wait before aborting the query. */
+  maxTimeMS?: number;
+  /** An index name hint for the query. */
+  hint?: string | Document;
+}
+
+/** @internal */
+export class CountOperation extends CommandOperation<number> {
+  override options: CountOptions;
+  collectionName?: string;
+  query: Document;
+
+  constructor(namespace: MongoDBNamespace, filter: Document, options: CountOptions) {
+    super({ s: { namespace: namespace } } as unknown as Collection, options);
+
+    this.options = options;
+    this.collectionName = namespace.collection;
+    this.query = filter;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<number>
+  ): void {
+    const options = this.options;
+    const cmd: Document = {
+      count: this.collectionName,
+      query: this.query
+    };
+
+    if (typeof options.limit === 'number') {
+      cmd.limit = options.limit;
+    }
+
+    if (typeof options.skip === 'number') {
+      cmd.skip = options.skip;
+    }
+
+    if (options.hint != null) {
+      cmd.hint = options.hint;
+    }
+
+    if (typeof options.maxTimeMS === 'number') {
+      cmd.maxTimeMS = options.maxTimeMS;
+    }
+
+    super.executeCommand(server, session, cmd, (err, result) => {
+      callback(err, result ? result.n : 0);
+    });
+  }
+}
+
+defineAspects(CountOperation, [Aspect.READ_OPERATION, Aspect.RETRYABLE]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/count_documents.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/count_documents.ts
new file mode 100644
index 000000000..c781329f2
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/count_documents.ts
@@ -0,0 +1,57 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AggregateOperation, AggregateOptions } from './aggregate';
+
+/** @public */
+export interface CountDocumentsOptions extends AggregateOptions {
+  /** The number of documents to skip. */
+  skip?: number;
+  /** The maximum amounts to count before aborting. */
+  limit?: number;
+}
+
+/** @internal */
+export class CountDocumentsOperation extends AggregateOperation<number> {
+  constructor(collection: Collection, query: Document, options: CountDocumentsOptions) {
+    const pipeline = [];
+    pipeline.push({ $match: query });
+
+    if (typeof options.skip === 'number') {
+      pipeline.push({ $skip: options.skip });
+    }
+
+    if (typeof options.limit === 'number') {
+      pipeline.push({ $limit: options.limit });
+    }
+
+    pipeline.push({ $group: { _id: 1, n: { $sum: 1 } } });
+
+    super(collection.s.namespace, pipeline, options);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<number>
+  ): void {
+    super.execute(server, session, (err, result) => {
+      if (err || !result) {
+        callback(err);
+        return;
+      }
+
+      // NOTE: We're avoiding creating a cursor here to reduce the callstack.
+      const response = result as unknown as Document;
+      if (response.cursor == null || response.cursor.firstBatch == null) {
+        callback(undefined, 0);
+        return;
+      }
+
+      const docs = response.cursor.firstBatch;
+      callback(undefined, docs.length ? docs[0].n : 0);
+    });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/create_collection.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/create_collection.ts
new file mode 100644
index 000000000..e69b87a3c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/create_collection.ts
@@ -0,0 +1,200 @@
+import type { Document } from '../bson';
+import { Collection } from '../collection';
+import type { Db } from '../db';
+import type { PkFactory } from '../mongo_client';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { CreateIndexOperation } from './indexes';
+import { Aspect, defineAspects } from './operation';
+
+const ILLEGAL_COMMAND_FIELDS = new Set([
+  'w',
+  'wtimeout',
+  'j',
+  'fsync',
+  'autoIndexId',
+  'pkFactory',
+  'raw',
+  'readPreference',
+  'session',
+  'readConcern',
+  'writeConcern',
+  'raw',
+  'fieldsAsRaw',
+  'promoteLongs',
+  'promoteValues',
+  'promoteBuffers',
+  'bsonRegExp',
+  'serializeFunctions',
+  'ignoreUndefined',
+  'enableUtf8Validation'
+]);
+
+/** @public
+ * Configuration options for timeseries collections
+ * @see https://docs.mongodb.com/manual/core/timeseries-collections/
+ */
+export interface TimeSeriesCollectionOptions extends Document {
+  timeField: string;
+  metaField?: string;
+  granularity?: 'seconds' | 'minutes' | 'hours' | string;
+}
+
+/** @public
+ * Configuration options for clustered collections
+ * @see https://www.mongodb.com/docs/manual/core/clustered-collections/
+ */
+export interface ClusteredCollectionOptions extends Document {
+  name?: string;
+  key: Document;
+  unique: boolean;
+}
+
+/** @public */
+export interface CreateCollectionOptions extends CommandOperationOptions {
+  /** Returns an error if the collection does not exist */
+  strict?: boolean;
+  /** Create a capped collection */
+  capped?: boolean;
+  /** @deprecated Create an index on the _id field of the document, True by default on MongoDB 2.6 - 3.0 */
+  autoIndexId?: boolean;
+  /** The size of the capped collection in bytes */
+  size?: number;
+  /** The maximum number of documents in the capped collection */
+  max?: number;
+  /** Available for the MMAPv1 storage engine only to set the usePowerOf2Sizes and the noPadding flag */
+  flags?: number;
+  /** Allows users to specify configuration to the storage engine on a per-collection basis when creating a collection on MongoDB 3.0 or higher */
+  storageEngine?: Document;
+  /** Allows users to specify validation rules or expressions for the collection. For more information, see Document Validation on MongoDB 3.2 or higher */
+  validator?: Document;
+  /** Determines how strictly MongoDB applies the validation rules to existing documents during an update on MongoDB 3.2 or higher */
+  validationLevel?: string;
+  /** Determines whether to error on invalid documents or just warn about the violations but allow invalid documents to be inserted on MongoDB 3.2 or higher */
+  validationAction?: string;
+  /** Allows users to specify a default configuration for indexes when creating a collection on MongoDB 3.2 or higher */
+  indexOptionDefaults?: Document;
+  /** The name of the source collection or view from which to create the view. The name is not the full namespace of the collection or view; i.e. does not include the database name and implies the same database as the view to create on MongoDB 3.4 or higher */
+  viewOn?: string;
+  /** An array that consists of the aggregation pipeline stage. Creates the view by applying the specified pipeline to the viewOn collection or view on MongoDB 3.4 or higher */
+  pipeline?: Document[];
+  /** A primary key factory function for generation of custom _id keys. */
+  pkFactory?: PkFactory;
+  /** A document specifying configuration options for timeseries collections. */
+  timeseries?: TimeSeriesCollectionOptions;
+  /** A document specifying configuration options for clustered collections. For MongoDB 5.3 and above. */
+  clusteredIndex?: ClusteredCollectionOptions;
+  /** The number of seconds after which a document in a timeseries or clustered collection expires. */
+  expireAfterSeconds?: number;
+  /** @experimental */
+  encryptedFields?: Document;
+  /**
+   * If set, enables pre-update and post-update document events to be included for any
+   * change streams that listen on this collection.
+   */
+  changeStreamPreAndPostImages?: { enabled: boolean };
+}
+
+/** @internal */
+export class CreateCollectionOperation extends CommandOperation<Collection> {
+  override options: CreateCollectionOptions;
+  db: Db;
+  name: string;
+
+  constructor(db: Db, name: string, options: CreateCollectionOptions = {}) {
+    super(db, options);
+
+    this.options = options;
+    this.db = db;
+    this.name = name;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Collection>
+  ): void {
+    (async () => {
+      const db = this.db;
+      const name = this.name;
+      const options = this.options;
+
+      const encryptedFields: Document | undefined =
+        options.encryptedFields ??
+        db.s.client.options.autoEncryption?.encryptedFieldsMap?.[`${db.databaseName}.${name}`];
+
+      if (encryptedFields) {
+        // Create auxilliary collections for queryable encryption support.
+        const escCollection = encryptedFields.escCollection ?? `enxcol_.${name}.esc`;
+        const eccCollection = encryptedFields.eccCollection ?? `enxcol_.${name}.ecc`;
+        const ecocCollection = encryptedFields.ecocCollection ?? `enxcol_.${name}.ecoc`;
+
+        for (const collectionName of [escCollection, eccCollection, ecocCollection]) {
+          const createOp = new CreateCollectionOperation(db, collectionName, {
+            clusteredIndex: {
+              key: { _id: 1 },
+              unique: true
+            }
+          });
+          await createOp.executeWithoutEncryptedFieldsCheck(server, session);
+        }
+
+        if (!options.encryptedFields) {
+          this.options = { ...this.options, encryptedFields };
+        }
+      }
+
+      const coll = await this.executeWithoutEncryptedFieldsCheck(server, session);
+
+      if (encryptedFields) {
+        // Create the required index for queryable encryption support.
+        const createIndexOp = new CreateIndexOperation(db, name, { __safeContent__: 1 }, {});
+        await new Promise<void>((resolve, reject) => {
+          createIndexOp.execute(server, session, err => (err ? reject(err) : resolve()));
+        });
+      }
+
+      return coll;
+    })().then(
+      coll => callback(undefined, coll),
+      err => callback(err)
+    );
+  }
+
+  private executeWithoutEncryptedFieldsCheck(
+    server: Server,
+    session: ClientSession | undefined
+  ): Promise<Collection> {
+    return new Promise<Collection>((resolve, reject) => {
+      const db = this.db;
+      const name = this.name;
+      const options = this.options;
+
+      const done: Callback = err => {
+        if (err) {
+          return reject(err);
+        }
+
+        resolve(new Collection(db, name, options));
+      };
+
+      const cmd: Document = { create: name };
+      for (const n in options) {
+        if (
+          (options as any)[n] != null &&
+          typeof (options as any)[n] !== 'function' &&
+          !ILLEGAL_COMMAND_FIELDS.has(n)
+        ) {
+          cmd[n] = (options as any)[n];
+        }
+      }
+
+      // otherwise just execute the command
+      super.executeCommand(server, session, cmd, done);
+    });
+  }
+}
+
+defineAspects(CreateCollectionOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/delete.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/delete.ts
new file mode 100644
index 000000000..ccdfd1c80
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/delete.ts
@@ -0,0 +1,194 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoServerError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, collationNotSupported, maxWireVersion, MongoDBNamespace } from '../utils';
+import type { WriteConcernOptions } from '../write_concern';
+import { CollationOptions, CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects, Hint } from './operation';
+
+/** @public */
+export interface DeleteOptions extends CommandOperationOptions, WriteConcernOptions {
+  /** If true, when an insert fails, don't execute the remaining writes. If false, continue with remaining inserts when one fails. */
+  ordered?: boolean;
+  /** Specifies the collation to use for the operation */
+  collation?: CollationOptions;
+  /** Specify that the update query should only consider plans using the hinted index */
+  hint?: string | Document;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+
+  /** @deprecated use `removeOne` or `removeMany` to implicitly specify the limit */
+  single?: boolean;
+}
+
+/** @public */
+export interface DeleteResult {
+  /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined. */
+  acknowledged: boolean;
+  /** The number of documents that were deleted */
+  deletedCount: number;
+}
+
+/** @public */
+export interface DeleteStatement {
+  /** The query that matches documents to delete. */
+  q: Document;
+  /** The number of matching documents to delete. */
+  limit: number;
+  /** Specifies the collation to use for the operation. */
+  collation?: CollationOptions;
+  /** A document or string that specifies the index to use to support the query predicate. */
+  hint?: Hint;
+}
+
+/** @internal */
+export class DeleteOperation extends CommandOperation<Document> {
+  override options: DeleteOptions;
+  statements: DeleteStatement[];
+
+  constructor(ns: MongoDBNamespace, statements: DeleteStatement[], options: DeleteOptions) {
+    super(undefined, options);
+    this.options = options;
+    this.ns = ns;
+    this.statements = statements;
+  }
+
+  override get canRetryWrite(): boolean {
+    if (super.canRetryWrite === false) {
+      return false;
+    }
+
+    return this.statements.every(op => (op.limit != null ? op.limit > 0 : true));
+  }
+
+  override execute(server: Server, session: ClientSession | undefined, callback: Callback): void {
+    const options = this.options ?? {};
+    const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+    const command: Document = {
+      delete: this.ns.collection,
+      deletes: this.statements,
+      ordered
+    };
+
+    if (options.let) {
+      command.let = options.let;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      command.comment = options.comment;
+    }
+
+    if (options.explain != null && maxWireVersion(server) < 3) {
+      return callback
+        ? callback(
+            new MongoCompatibilityError(`Server ${server.name} does not support explain on delete`)
+          )
+        : undefined;
+    }
+
+    const unacknowledgedWrite = this.writeConcern && this.writeConcern.w === 0;
+    if (unacknowledgedWrite || maxWireVersion(server) < 5) {
+      if (this.statements.find((o: Document) => o.hint)) {
+        callback(new MongoCompatibilityError(`Servers < 3.4 do not support hint on delete`));
+        return;
+      }
+    }
+
+    const statementWithCollation = this.statements.find(statement => !!statement.collation);
+    if (statementWithCollation && collationNotSupported(server, statementWithCollation)) {
+      callback(new MongoCompatibilityError(`Server ${server.name} does not support collation`));
+      return;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+export class DeleteOneOperation extends DeleteOperation {
+  constructor(collection: Collection, filter: Document, options: DeleteOptions) {
+    super(collection.s.namespace, [makeDeleteStatement(filter, { ...options, limit: 1 })], options);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<DeleteResult>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || res == null) return callback(err);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+      if (this.explain) return callback(undefined, res);
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        deletedCount: res.n
+      });
+    });
+  }
+}
+
+export class DeleteManyOperation extends DeleteOperation {
+  constructor(collection: Collection, filter: Document, options: DeleteOptions) {
+    super(collection.s.namespace, [makeDeleteStatement(filter, options)], options);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<DeleteResult>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || res == null) return callback(err);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+      if (this.explain) return callback(undefined, res);
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        deletedCount: res.n
+      });
+    });
+  }
+}
+
+export function makeDeleteStatement(
+  filter: Document,
+  options: DeleteOptions & { limit?: number }
+): DeleteStatement {
+  const op: DeleteStatement = {
+    q: filter,
+    limit: typeof options.limit === 'number' ? options.limit : 0
+  };
+
+  if (options.single === true) {
+    op.limit = 1;
+  }
+
+  if (options.collation) {
+    op.collation = options.collation;
+  }
+
+  if (options.hint) {
+    op.hint = options.hint;
+  }
+
+  return op;
+}
+
+defineAspects(DeleteOperation, [Aspect.RETRYABLE, Aspect.WRITE_OPERATION]);
+defineAspects(DeleteOneOperation, [
+  Aspect.RETRYABLE,
+  Aspect.WRITE_OPERATION,
+  Aspect.EXPLAINABLE,
+  Aspect.SKIP_COLLATION
+]);
+defineAspects(DeleteManyOperation, [
+  Aspect.WRITE_OPERATION,
+  Aspect.EXPLAINABLE,
+  Aspect.SKIP_COLLATION
+]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/distinct.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/distinct.ts
new file mode 100644
index 000000000..5fe8585e8
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/distinct.ts
@@ -0,0 +1,90 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, decorateWithCollation, decorateWithReadConcern } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export type DistinctOptions = CommandOperationOptions;
+
+/**
+ * Return a list of distinct values for the given key across a collection.
+ * @internal
+ */
+export class DistinctOperation extends CommandOperation<any[]> {
+  override options: DistinctOptions;
+  collection: Collection;
+  /** Field of the document to find distinct values for. */
+  key: string;
+  /** The query for filtering the set of documents to which we apply the distinct filter. */
+  query: Document;
+
+  /**
+   * Construct a Distinct operation.
+   *
+   * @param collection - Collection instance.
+   * @param key - Field of the document to find distinct values for.
+   * @param query - The query for filtering the set of documents to which we apply the distinct filter.
+   * @param options - Optional settings. See Collection.prototype.distinct for a list of options.
+   */
+  constructor(collection: Collection, key: string, query: Document, options?: DistinctOptions) {
+    super(collection, options);
+
+    this.options = options ?? {};
+    this.collection = collection;
+    this.key = key;
+    this.query = query;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<any[]>
+  ): void {
+    const coll = this.collection;
+    const key = this.key;
+    const query = this.query;
+    const options = this.options;
+
+    // Distinct command
+    const cmd: Document = {
+      distinct: coll.collectionName,
+      key: key,
+      query: query
+    };
+
+    // Add maxTimeMS if defined
+    if (typeof options.maxTimeMS === 'number') {
+      cmd.maxTimeMS = options.maxTimeMS;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (typeof options.comment !== 'undefined') {
+      cmd.comment = options.comment;
+    }
+
+    // Do we have a readConcern specified
+    decorateWithReadConcern(cmd, coll, options);
+
+    // Have we specified collation
+    try {
+      decorateWithCollation(cmd, coll, options);
+    } catch (err) {
+      return callback(err);
+    }
+
+    super.executeCommand(server, session, cmd, (err, result) => {
+      if (err) {
+        callback(err);
+        return;
+      }
+
+      callback(undefined, this.explain ? result : result.values);
+    });
+  }
+}
+
+defineAspects(DistinctOperation, [Aspect.READ_OPERATION, Aspect.RETRYABLE, Aspect.EXPLAINABLE]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/drop.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/drop.ts
new file mode 100644
index 000000000..00f78e543
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/drop.ts
@@ -0,0 +1,120 @@
+import type { Document } from '../bson';
+import type { Db } from '../db';
+import { MONGODB_ERROR_CODES, MongoServerError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface DropCollectionOptions extends CommandOperationOptions {
+  /** @experimental */
+  encryptedFields?: Document;
+}
+
+/** @internal */
+export class DropCollectionOperation extends CommandOperation<boolean> {
+  override options: DropCollectionOptions;
+  db: Db;
+  name: string;
+
+  constructor(db: Db, name: string, options: DropCollectionOptions = {}) {
+    super(db, options);
+    this.db = db;
+    this.options = options;
+    this.name = name;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    (async () => {
+      const db = this.db;
+      const options = this.options;
+      const name = this.name;
+
+      const encryptedFieldsMap = db.s.client.options.autoEncryption?.encryptedFieldsMap;
+      let encryptedFields: Document | undefined =
+        options.encryptedFields ?? encryptedFieldsMap?.[`${db.databaseName}.${name}`];
+
+      if (!encryptedFields && encryptedFieldsMap) {
+        // If the MongoClient was configued with an encryptedFieldsMap,
+        // and no encryptedFields config was available in it or explicitly
+        // passed as an argument, the spec tells us to look one up using
+        // listCollections().
+        const listCollectionsResult = await db
+          .listCollections({ name }, { nameOnly: false })
+          .toArray();
+        encryptedFields = listCollectionsResult?.[0]?.options?.encryptedFields;
+      }
+
+      if (encryptedFields) {
+        const escCollection = encryptedFields.escCollection || `enxcol_.${name}.esc`;
+        const eccCollection = encryptedFields.eccCollection || `enxcol_.${name}.ecc`;
+        const ecocCollection = encryptedFields.ecocCollection || `enxcol_.${name}.ecoc`;
+
+        for (const collectionName of [escCollection, eccCollection, ecocCollection]) {
+          // Drop auxilliary collections, ignoring potential NamespaceNotFound errors.
+          const dropOp = new DropCollectionOperation(db, collectionName);
+          try {
+            await dropOp.executeWithoutEncryptedFieldsCheck(server, session);
+          } catch (err) {
+            if (
+              !(err instanceof MongoServerError) ||
+              err.code !== MONGODB_ERROR_CODES.NamespaceNotFound
+            ) {
+              throw err;
+            }
+          }
+        }
+      }
+
+      return await this.executeWithoutEncryptedFieldsCheck(server, session);
+    })().then(
+      result => callback(undefined, result),
+      err => callback(err)
+    );
+  }
+
+  private executeWithoutEncryptedFieldsCheck(
+    server: Server,
+    session: ClientSession | undefined
+  ): Promise<boolean> {
+    return new Promise<boolean>((resolve, reject) => {
+      super.executeCommand(server, session, { drop: this.name }, (err, result) => {
+        if (err) return reject(err);
+        resolve(!!result.ok);
+      });
+    });
+  }
+}
+
+/** @public */
+export type DropDatabaseOptions = CommandOperationOptions;
+
+/** @internal */
+export class DropDatabaseOperation extends CommandOperation<boolean> {
+  override options: DropDatabaseOptions;
+
+  constructor(db: Db, options: DropDatabaseOptions) {
+    super(db, options);
+    this.options = options;
+  }
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    super.executeCommand(server, session, { dropDatabase: 1 }, (err, result) => {
+      if (err) return callback(err);
+      if (result.ok) return callback(undefined, true);
+      callback(undefined, false);
+    });
+  }
+}
+
+defineAspects(DropCollectionOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(DropDatabaseOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/estimated_document_count.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/estimated_document_count.ts
new file mode 100644
index 000000000..22b29deb9
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/estimated_document_count.ts
@@ -0,0 +1,62 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface EstimatedDocumentCountOptions extends CommandOperationOptions {
+  /**
+   * The maximum amount of time to allow the operation to run.
+   *
+   * This option is sent only if the caller explicitly provides a value. The default is to not send a value.
+   */
+  maxTimeMS?: number;
+}
+
+/** @internal */
+export class EstimatedDocumentCountOperation extends CommandOperation<number> {
+  override options: EstimatedDocumentCountOptions;
+  collectionName: string;
+
+  constructor(collection: Collection, options: EstimatedDocumentCountOptions = {}) {
+    super(collection, options);
+    this.options = options;
+    this.collectionName = collection.collectionName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<number>
+  ): void {
+    const cmd: Document = { count: this.collectionName };
+
+    if (typeof this.options.maxTimeMS === 'number') {
+      cmd.maxTimeMS = this.options.maxTimeMS;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (this.options.comment !== undefined) {
+      cmd.comment = this.options.comment;
+    }
+
+    super.executeCommand(server, session, cmd, (err, response) => {
+      if (err) {
+        callback(err);
+        return;
+      }
+
+      callback(undefined, response?.n || 0);
+    });
+  }
+}
+
+defineAspects(EstimatedDocumentCountOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.CURSOR_CREATING
+]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/eval.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/eval.ts
new file mode 100644
index 000000000..3c34c59d9
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/eval.ts
@@ -0,0 +1,82 @@
+import { Code, Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Db } from '../db';
+import { MongoServerError } from '../error';
+import { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+
+/** @public */
+export interface EvalOptions extends CommandOperationOptions {
+  nolock?: boolean;
+}
+
+/** @internal */
+export class EvalOperation extends CommandOperation<Document> {
+  override options: EvalOptions;
+  code: Code;
+  parameters?: Document | Document[];
+
+  constructor(
+    db: Db | Collection,
+    code: Code,
+    parameters?: Document | Document[],
+    options?: EvalOptions
+  ) {
+    super(db, options);
+
+    this.options = options ?? {};
+    this.code = code;
+    this.parameters = parameters;
+    // force primary read preference
+    Object.defineProperty(this, 'readPreference', {
+      value: ReadPreference.primary,
+      configurable: false,
+      writable: false
+    });
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    let finalCode = this.code;
+    let finalParameters: Document[] = [];
+
+    // If not a code object translate to one
+    if (!(finalCode && (finalCode as unknown as { _bsontype: string })._bsontype === 'Code')) {
+      finalCode = new Code(finalCode as never);
+    }
+
+    // Ensure the parameters are correct
+    if (this.parameters != null && typeof this.parameters !== 'function') {
+      finalParameters = Array.isArray(this.parameters) ? this.parameters : [this.parameters];
+    }
+
+    // Create execution selector
+    const cmd: Document = { $eval: finalCode, args: finalParameters };
+
+    // Check if the nolock parameter is passed in
+    if (this.options.nolock) {
+      cmd.nolock = this.options.nolock;
+    }
+
+    // Execute the command
+    super.executeCommand(server, session, cmd, (err, result) => {
+      if (err) return callback(err);
+      if (result && result.ok === 1) {
+        return callback(undefined, result.retval);
+      }
+
+      if (result) {
+        callback(new MongoServerError({ message: `eval failed: ${result.errmsg}` }));
+        return;
+      }
+
+      callback(err, result);
+    });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/execute_operation.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/execute_operation.ts
new file mode 100644
index 000000000..54fc3b99d
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/execute_operation.ts
@@ -0,0 +1,298 @@
+import type { Document } from '../bson';
+import {
+  isRetryableReadError,
+  isRetryableWriteError,
+  MongoCompatibilityError,
+  MONGODB_ERROR_CODES,
+  MongoError,
+  MongoExpiredSessionError,
+  MongoNetworkError,
+  MongoNotConnectedError,
+  MongoRuntimeError,
+  MongoServerError,
+  MongoTransactionError,
+  MongoUnexpectedServerResponseError
+} from '../error';
+import type { MongoClient } from '../mongo_client';
+import { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import {
+  sameServerSelector,
+  secondaryWritableServerSelector,
+  ServerSelector
+} from '../sdam/server_selection';
+import type { Topology } from '../sdam/topology';
+import type { ClientSession } from '../sessions';
+import { Callback, maybePromise, supportsRetryableWrites } from '../utils';
+import { AbstractOperation, Aspect } from './operation';
+
+const MMAPv1_RETRY_WRITES_ERROR_CODE = MONGODB_ERROR_CODES.IllegalOperation;
+const MMAPv1_RETRY_WRITES_ERROR_MESSAGE =
+  'This MongoDB deployment does not support retryable writes. Please add retryWrites=false to your connection string.';
+
+type ResultTypeFromOperation<TOperation> = TOperation extends AbstractOperation<infer K>
+  ? K
+  : never;
+
+/** @internal */
+export interface ExecutionResult {
+  /** The server selected for the operation */
+  server: Server;
+  /** The session used for this operation, may be implicitly created */
+  session?: ClientSession;
+  /** The raw server response for the operation */
+  response: Document;
+}
+
+/**
+ * Executes the given operation with provided arguments.
+ * @internal
+ *
+ * @remarks
+ * This method reduces large amounts of duplication in the entire codebase by providing
+ * a single point for determining whether callbacks or promises should be used. Additionally
+ * it allows for a single point of entry to provide features such as implicit sessions, which
+ * are required by the Driver Sessions specification in the event that a ClientSession is
+ * not provided
+ *
+ * @param topology - The topology to execute this operation on
+ * @param operation - The operation to execute
+ * @param callback - The command result callback
+ */
+export function executeOperation<
+  T extends AbstractOperation<TResult>,
+  TResult = ResultTypeFromOperation<T>
+>(client: MongoClient, operation: T): Promise<TResult>;
+export function executeOperation<
+  T extends AbstractOperation<TResult>,
+  TResult = ResultTypeFromOperation<T>
+>(client: MongoClient, operation: T, callback: Callback<TResult>): void;
+export function executeOperation<
+  T extends AbstractOperation<TResult>,
+  TResult = ResultTypeFromOperation<T>
+>(client: MongoClient, operation: T, callback?: Callback<TResult>): Promise<TResult> | void;
+export function executeOperation<
+  T extends AbstractOperation<TResult>,
+  TResult = ResultTypeFromOperation<T>
+>(client: MongoClient, operation: T, callback?: Callback<TResult>): Promise<TResult> | void {
+  if (!(operation instanceof AbstractOperation)) {
+    // TODO(NODE-3483): Extend MongoRuntimeError
+    throw new MongoRuntimeError('This method requires a valid operation instance');
+  }
+
+  return maybePromise(callback, callback => {
+    const topology = client.topology;
+
+    if (topology == null) {
+      if (client.s.hasBeenClosed) {
+        return callback(
+          new MongoNotConnectedError('Client must be connected before running operations')
+        );
+      }
+      client.s.options[Symbol.for('@@mdb.skipPingOnConnect')] = true;
+      return client.connect(error => {
+        delete client.s.options[Symbol.for('@@mdb.skipPingOnConnect')];
+        if (error) {
+          return callback(error);
+        }
+        return executeOperation<T, TResult>(client, operation, callback);
+      });
+    }
+
+    if (topology.shouldCheckForSessionSupport()) {
+      return topology.selectServer(ReadPreference.primaryPreferred, {}, err => {
+        if (err) return callback(err);
+
+        executeOperation<T, TResult>(client, operation, callback);
+      });
+    }
+
+    // The driver sessions spec mandates that we implicitly create sessions for operations
+    // that are not explicitly provided with a session.
+    let session = operation.session;
+    let owner: symbol | undefined;
+    if (topology.hasSessionSupport()) {
+      if (session == null) {
+        owner = Symbol();
+        session = client.startSession({ owner, explicit: false });
+      } else if (session.hasEnded) {
+        return callback(new MongoExpiredSessionError('Use of expired sessions is not permitted'));
+      } else if (session.snapshotEnabled && !topology.capabilities.supportsSnapshotReads) {
+        return callback(new MongoCompatibilityError('Snapshot reads require MongoDB 5.0 or later'));
+      }
+    } else {
+      // no session support
+      if (session && session.explicit) {
+        // If the user passed an explicit session and we are still, after server selection,
+        // trying to run against a topology that doesn't support sessions we error out.
+        return callback(new MongoCompatibilityError('Current topology does not support sessions'));
+      } else if (session && !session.explicit) {
+        // We do not have to worry about ending the session because the server session has not been acquired yet
+        delete operation.options.session;
+        operation.clearSession();
+        session = undefined;
+      }
+    }
+
+    try {
+      executeWithServerSelection<TResult>(topology, session, operation, (error, result) => {
+        if (session?.owner != null && session.owner === owner) {
+          return session.endSession(endSessionError => callback(endSessionError ?? error, result));
+        }
+
+        callback(error, result);
+      });
+    } catch (error) {
+      if (session?.owner != null && session.owner === owner) {
+        session.endSession().catch(() => null);
+      }
+
+      throw error;
+    }
+  });
+}
+
+function executeWithServerSelection<TResult>(
+  topology: Topology,
+  session: ClientSession | undefined,
+  operation: AbstractOperation,
+  callback: Callback<TResult>
+) {
+  const readPreference = operation.readPreference ?? ReadPreference.primary;
+  const inTransaction = !!session?.inTransaction();
+
+  if (inTransaction && !readPreference.equals(ReadPreference.primary)) {
+    return callback(
+      new MongoTransactionError(
+        `Read preference in a transaction must be primary, not: ${readPreference.mode}`
+      )
+    );
+  }
+
+  if (session?.isPinned && session.transaction.isCommitted && !operation.bypassPinningCheck) {
+    session.unpin();
+  }
+
+  let selector: ReadPreference | ServerSelector;
+
+  if (operation.hasAspect(Aspect.MUST_SELECT_SAME_SERVER)) {
+    // GetMore and KillCursor operations must always select the same server, but run through
+    // server selection to potentially force monitor checks if the server is
+    // in an unknown state.
+    selector = sameServerSelector(operation.server?.description);
+  } else if (operation.trySecondaryWrite) {
+    // If operation should try to write to secondary use the custom server selector
+    // otherwise provide the read preference.
+    selector = secondaryWritableServerSelector(topology.commonWireVersion, readPreference);
+  } else {
+    selector = readPreference;
+  }
+
+  const serverSelectionOptions = { session };
+  function retryOperation(originalError: MongoError) {
+    const isWriteOperation = operation.hasAspect(Aspect.WRITE_OPERATION);
+    const isReadOperation = operation.hasAspect(Aspect.READ_OPERATION);
+
+    if (isWriteOperation && originalError.code === MMAPv1_RETRY_WRITES_ERROR_CODE) {
+      return callback(
+        new MongoServerError({
+          message: MMAPv1_RETRY_WRITES_ERROR_MESSAGE,
+          errmsg: MMAPv1_RETRY_WRITES_ERROR_MESSAGE,
+          originalError
+        })
+      );
+    }
+
+    if (isWriteOperation && !isRetryableWriteError(originalError)) {
+      return callback(originalError);
+    }
+
+    if (isReadOperation && !isRetryableReadError(originalError)) {
+      return callback(originalError);
+    }
+
+    if (
+      originalError instanceof MongoNetworkError &&
+      session?.isPinned &&
+      !session.inTransaction() &&
+      operation.hasAspect(Aspect.CURSOR_CREATING)
+    ) {
+      // If we have a cursor and the initial command fails with a network error,
+      // we can retry it on another connection. So we need to check it back in, clear the
+      // pool for the service id, and retry again.
+      session.unpin({ force: true, forceClear: true });
+    }
+
+    // select a new server, and attempt to retry the operation
+    topology.selectServer(selector, serverSelectionOptions, (error?: Error, server?: Server) => {
+      if (!error && isWriteOperation && !supportsRetryableWrites(server)) {
+        return callback(
+          new MongoUnexpectedServerResponseError(
+            'Selected server does not support retryable writes'
+          )
+        );
+      }
+
+      if (error || !server) {
+        return callback(
+          error ?? new MongoUnexpectedServerResponseError('Server selection failed without error')
+        );
+      }
+
+      operation.execute(server, session, callback);
+    });
+  }
+
+  if (
+    readPreference &&
+    !readPreference.equals(ReadPreference.primary) &&
+    session?.inTransaction()
+  ) {
+    callback(
+      new MongoTransactionError(
+        `Read preference in a transaction must be primary, not: ${readPreference.mode}`
+      )
+    );
+
+    return;
+  }
+
+  // select a server, and execute the operation against it
+  topology.selectServer(selector, serverSelectionOptions, (error, server) => {
+    if (error || !server) {
+      return callback(error);
+    }
+
+    if (session && operation.hasAspect(Aspect.RETRYABLE)) {
+      const willRetryRead =
+        topology.s.options.retryReads && !inTransaction && operation.canRetryRead;
+
+      const willRetryWrite =
+        topology.s.options.retryWrites &&
+        !inTransaction &&
+        supportsRetryableWrites(server) &&
+        operation.canRetryWrite;
+
+      const hasReadAspect = operation.hasAspect(Aspect.READ_OPERATION);
+      const hasWriteAspect = operation.hasAspect(Aspect.WRITE_OPERATION);
+
+      if ((hasReadAspect && willRetryRead) || (hasWriteAspect && willRetryWrite)) {
+        if (hasWriteAspect && willRetryWrite) {
+          operation.options.willRetryWrite = true;
+          session.incrementTransactionNumber();
+        }
+
+        return operation.execute(server, session, (error, result) => {
+          if (error instanceof MongoError) {
+            return retryOperation(error);
+          } else if (error) {
+            return callback(error);
+          }
+          callback(undefined, result);
+        });
+      }
+    }
+
+    return operation.execute(server, session, callback);
+  });
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/find.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/find.ts
new file mode 100644
index 000000000..ba2e8cf74
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/find.ts
@@ -0,0 +1,288 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoInvalidArgumentError } from '../error';
+import { ReadConcern } from '../read_concern';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { formatSort, Sort } from '../sort';
+import {
+  Callback,
+  decorateWithExplain,
+  maxWireVersion,
+  MongoDBNamespace,
+  normalizeHintField
+} from '../utils';
+import { CollationOptions, CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects, Hint } from './operation';
+
+/**
+ * @public
+ * @typeParam TSchema - Unused schema definition, deprecated usage, only specify `FindOptions` with no generic
+ */
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export interface FindOptions<TSchema extends Document = Document> extends CommandOperationOptions {
+  /** Sets the limit of documents returned in the query. */
+  limit?: number;
+  /** Set to sort the documents coming back from the query. Array of indexes, `[['a', 1]]` etc. */
+  sort?: Sort;
+  /** The fields to return in the query. Object of fields to either include or exclude (one of, not both), `{'a':1, 'b': 1}` **or** `{'a': 0, 'b': 0}` */
+  projection?: Document;
+  /** Set to skip N documents ahead in your query (useful for pagination). */
+  skip?: number;
+  /** Tell the query to use specific indexes in the query. Object of indexes to use, `{'_id':1}` */
+  hint?: Hint;
+  /** Specify if the cursor can timeout. */
+  timeout?: boolean;
+  /** Specify if the cursor is tailable. */
+  tailable?: boolean;
+  /** Specify if the cursor is a tailable-await cursor. Requires `tailable` to be true */
+  awaitData?: boolean;
+  /** Set the batchSize for the getMoreCommand when iterating over the query results. */
+  batchSize?: number;
+  /** If true, returns only the index keys in the resulting documents. */
+  returnKey?: boolean;
+  /** The inclusive lower bound for a specific index */
+  min?: Document;
+  /** The exclusive upper bound for a specific index */
+  max?: Document;
+  /** Number of milliseconds to wait before aborting the query. */
+  maxTimeMS?: number;
+  /** The maximum amount of time for the server to wait on new documents to satisfy a tailable cursor query. Requires `tailable` and `awaitData` to be true */
+  maxAwaitTimeMS?: number;
+  /** The server normally times out idle cursors after an inactivity period (10 minutes) to prevent excess memory use. Set this option to prevent that. */
+  noCursorTimeout?: boolean;
+  /** Specify collation (MongoDB 3.4 or higher) settings for update operation (see 3.4 documentation for available fields). */
+  collation?: CollationOptions;
+  /** Allows disk use for blocking sort operations exceeding 100MB memory. (MongoDB 3.2 or higher) */
+  allowDiskUse?: boolean;
+  /** Determines whether to close the cursor after the first batch. Defaults to false. */
+  singleBatch?: boolean;
+  /** For queries against a sharded collection, allows the command (or subsequent getMore commands) to return partial results, rather than an error, if one or more queried shards are unavailable. */
+  allowPartialResults?: boolean;
+  /** Determines whether to return the record identifier for each document. If true, adds a field $recordId to the returned documents. */
+  showRecordId?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+  /**
+   * Option to enable an optimized code path for queries looking for a particular range of `ts` values in the oplog. Requires `tailable` to be true.
+   * @deprecated Starting from MongoDB 4.4 this flag is not needed and will be ignored.
+   */
+  oplogReplay?: boolean;
+}
+
+const SUPPORTS_WRITE_CONCERN_AND_COLLATION = 5;
+
+/** @internal */
+export class FindOperation extends CommandOperation<Document> {
+  override options: FindOptions;
+  filter: Document;
+
+  constructor(
+    collection: Collection | undefined,
+    ns: MongoDBNamespace,
+    filter: Document = {},
+    options: FindOptions = {}
+  ) {
+    super(collection, options);
+
+    this.options = options;
+    this.ns = ns;
+
+    if (typeof filter !== 'object' || Array.isArray(filter)) {
+      throw new MongoInvalidArgumentError('Query filter must be a plain object or ObjectId');
+    }
+
+    // If the filter is a buffer, validate that is a valid BSON document
+    if (Buffer.isBuffer(filter)) {
+      const objectSize = filter[0] | (filter[1] << 8) | (filter[2] << 16) | (filter[3] << 24);
+      if (objectSize !== filter.length) {
+        throw new MongoInvalidArgumentError(
+          `Query filter raw message size does not match message header size [${filter.length}] != [${objectSize}]`
+        );
+      }
+    }
+
+    // special case passing in an ObjectId as a filter
+    this.filter = filter != null && filter._bsontype === 'ObjectID' ? { _id: filter } : filter;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    this.server = server;
+
+    const serverWireVersion = maxWireVersion(server);
+    const options = this.options;
+    if (options.allowDiskUse != null && serverWireVersion < 4) {
+      callback(
+        new MongoCompatibilityError('Option "allowDiskUse" is not supported on MongoDB < 3.2')
+      );
+      return;
+    }
+
+    if (options.collation && serverWireVersion < SUPPORTS_WRITE_CONCERN_AND_COLLATION) {
+      callback(
+        new MongoCompatibilityError(
+          `Server ${server.name}, which reports wire version ${serverWireVersion}, does not support collation`
+        )
+      );
+
+      return;
+    }
+
+    let findCommand = makeFindCommand(this.ns, this.filter, options);
+    if (this.explain) {
+      findCommand = decorateWithExplain(findCommand, this.explain);
+    }
+
+    server.command(
+      this.ns,
+      findCommand,
+      {
+        ...this.options,
+        ...this.bsonOptions,
+        documentsReturnedIn: 'firstBatch',
+        session
+      },
+      callback
+    );
+  }
+}
+
+function makeFindCommand(ns: MongoDBNamespace, filter: Document, options: FindOptions): Document {
+  const findCommand: Document = {
+    find: ns.collection,
+    filter
+  };
+
+  if (options.sort) {
+    findCommand.sort = formatSort(options.sort);
+  }
+
+  if (options.projection) {
+    let projection = options.projection;
+    if (projection && Array.isArray(projection)) {
+      projection = projection.length
+        ? projection.reduce((result, field) => {
+            result[field] = 1;
+            return result;
+          }, {})
+        : { _id: 1 };
+    }
+
+    findCommand.projection = projection;
+  }
+
+  if (options.hint) {
+    findCommand.hint = normalizeHintField(options.hint);
+  }
+
+  if (typeof options.skip === 'number') {
+    findCommand.skip = options.skip;
+  }
+
+  if (typeof options.limit === 'number') {
+    if (options.limit < 0) {
+      findCommand.limit = -options.limit;
+      findCommand.singleBatch = true;
+    } else {
+      findCommand.limit = options.limit;
+    }
+  }
+
+  if (typeof options.batchSize === 'number') {
+    if (options.batchSize < 0) {
+      if (
+        options.limit &&
+        options.limit !== 0 &&
+        Math.abs(options.batchSize) < Math.abs(options.limit)
+      ) {
+        findCommand.limit = -options.batchSize;
+      }
+
+      findCommand.singleBatch = true;
+    } else {
+      findCommand.batchSize = options.batchSize;
+    }
+  }
+
+  if (typeof options.singleBatch === 'boolean') {
+    findCommand.singleBatch = options.singleBatch;
+  }
+
+  // we check for undefined specifically here to allow falsy values
+  // eslint-disable-next-line no-restricted-syntax
+  if (options.comment !== undefined) {
+    findCommand.comment = options.comment;
+  }
+
+  if (typeof options.maxTimeMS === 'number') {
+    findCommand.maxTimeMS = options.maxTimeMS;
+  }
+
+  const readConcern = ReadConcern.fromOptions(options);
+  if (readConcern) {
+    findCommand.readConcern = readConcern.toJSON();
+  }
+
+  if (options.max) {
+    findCommand.max = options.max;
+  }
+
+  if (options.min) {
+    findCommand.min = options.min;
+  }
+
+  if (typeof options.returnKey === 'boolean') {
+    findCommand.returnKey = options.returnKey;
+  }
+
+  if (typeof options.showRecordId === 'boolean') {
+    findCommand.showRecordId = options.showRecordId;
+  }
+
+  if (typeof options.tailable === 'boolean') {
+    findCommand.tailable = options.tailable;
+  }
+
+  if (typeof options.oplogReplay === 'boolean') {
+    findCommand.oplogReplay = options.oplogReplay;
+  }
+
+  if (typeof options.timeout === 'boolean') {
+    findCommand.noCursorTimeout = !options.timeout;
+  } else if (typeof options.noCursorTimeout === 'boolean') {
+    findCommand.noCursorTimeout = options.noCursorTimeout;
+  }
+
+  if (typeof options.awaitData === 'boolean') {
+    findCommand.awaitData = options.awaitData;
+  }
+
+  if (typeof options.allowPartialResults === 'boolean') {
+    findCommand.allowPartialResults = options.allowPartialResults;
+  }
+
+  if (options.collation) {
+    findCommand.collation = options.collation;
+  }
+
+  if (typeof options.allowDiskUse === 'boolean') {
+    findCommand.allowDiskUse = options.allowDiskUse;
+  }
+
+  if (options.let) {
+    findCommand.let = options.let;
+  }
+
+  return findCommand;
+}
+
+defineAspects(FindOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.EXPLAINABLE,
+  Aspect.CURSOR_CREATING
+]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/find_and_modify.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/find_and_modify.ts
new file mode 100644
index 000000000..12d7ba504
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/find_and_modify.ts
@@ -0,0 +1,295 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoInvalidArgumentError } from '../error';
+import { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { formatSort, Sort, SortForCmd } from '../sort';
+import { Callback, decorateWithCollation, hasAtomicOperators, maxWireVersion } from '../utils';
+import type { WriteConcern, WriteConcernSettings } from '../write_concern';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export const ReturnDocument = Object.freeze({
+  BEFORE: 'before',
+  AFTER: 'after'
+} as const);
+
+/** @public */
+export type ReturnDocument = typeof ReturnDocument[keyof typeof ReturnDocument];
+
+/** @public */
+export interface FindOneAndDeleteOptions extends CommandOperationOptions {
+  /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+  hint?: Document;
+  /** Limits the fields to return for all matching documents. */
+  projection?: Document;
+  /** Determines which document the operation modifies if the query selects multiple documents. */
+  sort?: Sort;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @public */
+export interface FindOneAndReplaceOptions extends CommandOperationOptions {
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+  hint?: Document;
+  /** Limits the fields to return for all matching documents. */
+  projection?: Document;
+  /** When set to 'after', returns the updated document rather than the original. The default is 'before'.  */
+  returnDocument?: ReturnDocument;
+  /** Determines which document the operation modifies if the query selects multiple documents. */
+  sort?: Sort;
+  /** Upsert the document if it does not exist. */
+  upsert?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @public */
+export interface FindOneAndUpdateOptions extends CommandOperationOptions {
+  /** Optional list of array filters referenced in filtered positional operators */
+  arrayFilters?: Document[];
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** An optional hint for query optimization. See the {@link https://docs.mongodb.com/manual/reference/command/update/#update-command-hint|update command} reference for more information.*/
+  hint?: Document;
+  /** Limits the fields to return for all matching documents. */
+  projection?: Document;
+  /** When set to 'after', returns the updated document rather than the original. The default is 'before'.  */
+  returnDocument?: ReturnDocument;
+  /** Determines which document the operation modifies if the query selects multiple documents. */
+  sort?: Sort;
+  /** Upsert the document if it does not exist. */
+  upsert?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @internal */
+interface FindAndModifyCmdBase {
+  remove: boolean;
+  new: boolean;
+  upsert: boolean;
+  update?: Document;
+  sort?: SortForCmd;
+  fields?: Document;
+  bypassDocumentValidation?: boolean;
+  arrayFilters?: Document[];
+  maxTimeMS?: number;
+  let?: Document;
+  writeConcern?: WriteConcern | WriteConcernSettings;
+  /**
+   * Comment to apply to the operation.
+   *
+   * In server versions pre-4.4, 'comment' must be string.  A server
+   * error will be thrown if any other type is provided.
+   *
+   * In server versions 4.4 and above, 'comment' can be any valid BSON type.
+   */
+  comment?: unknown;
+}
+
+function configureFindAndModifyCmdBaseUpdateOpts(
+  cmdBase: FindAndModifyCmdBase,
+  options: FindOneAndReplaceOptions | FindOneAndUpdateOptions
+): FindAndModifyCmdBase {
+  cmdBase.new = options.returnDocument === ReturnDocument.AFTER;
+  cmdBase.upsert = options.upsert === true;
+
+  if (options.bypassDocumentValidation === true) {
+    cmdBase.bypassDocumentValidation = options.bypassDocumentValidation;
+  }
+  return cmdBase;
+}
+
+/** @internal */
+class FindAndModifyOperation extends CommandOperation<Document> {
+  override options: FindOneAndReplaceOptions | FindOneAndUpdateOptions | FindOneAndDeleteOptions;
+  cmdBase: FindAndModifyCmdBase;
+  collection: Collection;
+  query: Document;
+  doc?: Document;
+
+  constructor(
+    collection: Collection,
+    query: Document,
+    options: FindOneAndReplaceOptions | FindOneAndUpdateOptions | FindOneAndDeleteOptions
+  ) {
+    super(collection, options);
+    this.options = options ?? {};
+    this.cmdBase = {
+      remove: false,
+      new: false,
+      upsert: false
+    };
+
+    const sort = formatSort(options.sort);
+    if (sort) {
+      this.cmdBase.sort = sort;
+    }
+
+    if (options.projection) {
+      this.cmdBase.fields = options.projection;
+    }
+
+    if (options.maxTimeMS) {
+      this.cmdBase.maxTimeMS = options.maxTimeMS;
+    }
+
+    // Decorate the findAndModify command with the write Concern
+    if (options.writeConcern) {
+      this.cmdBase.writeConcern = options.writeConcern;
+    }
+
+    if (options.let) {
+      this.cmdBase.let = options.let;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      this.cmdBase.comment = options.comment;
+    }
+
+    // force primary read preference
+    this.readPreference = ReadPreference.primary;
+
+    this.collection = collection;
+    this.query = query;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const coll = this.collection;
+    const query = this.query;
+    const options = { ...this.options, ...this.bsonOptions };
+
+    // Create findAndModify command object
+    const cmd: Document = {
+      findAndModify: coll.collectionName,
+      query: query,
+      ...this.cmdBase
+    };
+
+    // Have we specified collation
+    try {
+      decorateWithCollation(cmd, coll, options);
+    } catch (err) {
+      return callback(err);
+    }
+
+    if (options.hint) {
+      // TODO: once this method becomes a CommandOperation we will have the server
+      // in place to check.
+      const unacknowledgedWrite = this.writeConcern?.w === 0;
+      if (unacknowledgedWrite || maxWireVersion(server) < 8) {
+        callback(
+          new MongoCompatibilityError(
+            'The current topology does not support a hint on findAndModify commands'
+          )
+        );
+
+        return;
+      }
+
+      cmd.hint = options.hint;
+    }
+
+    if (this.explain && maxWireVersion(server) < 4) {
+      callback(
+        new MongoCompatibilityError(
+          `Server ${server.name} does not support explain on findAndModify`
+        )
+      );
+      return;
+    }
+
+    // Execute the command
+    super.executeCommand(server, session, cmd, (err, result) => {
+      if (err) return callback(err);
+      return callback(undefined, result);
+    });
+  }
+}
+
+/** @internal */
+export class FindOneAndDeleteOperation extends FindAndModifyOperation {
+  constructor(collection: Collection, filter: Document, options: FindOneAndDeleteOptions) {
+    // Basic validation
+    if (filter == null || typeof filter !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "filter" must be an object');
+    }
+
+    super(collection, filter, options);
+    this.cmdBase.remove = true;
+  }
+}
+
+/** @internal */
+export class FindOneAndReplaceOperation extends FindAndModifyOperation {
+  constructor(
+    collection: Collection,
+    filter: Document,
+    replacement: Document,
+    options: FindOneAndReplaceOptions
+  ) {
+    if (filter == null || typeof filter !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "filter" must be an object');
+    }
+
+    if (replacement == null || typeof replacement !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "replacement" must be an object');
+    }
+
+    if (hasAtomicOperators(replacement)) {
+      throw new MongoInvalidArgumentError('Replacement document must not contain atomic operators');
+    }
+
+    super(collection, filter, options);
+    this.cmdBase.update = replacement;
+    configureFindAndModifyCmdBaseUpdateOpts(this.cmdBase, options);
+  }
+}
+
+/** @internal */
+export class FindOneAndUpdateOperation extends FindAndModifyOperation {
+  constructor(
+    collection: Collection,
+    filter: Document,
+    update: Document,
+    options: FindOneAndUpdateOptions
+  ) {
+    if (filter == null || typeof filter !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "filter" must be an object');
+    }
+
+    if (update == null || typeof update !== 'object') {
+      throw new MongoInvalidArgumentError('Argument "update" must be an object');
+    }
+
+    if (!hasAtomicOperators(update)) {
+      throw new MongoInvalidArgumentError('Update document requires atomic operators');
+    }
+
+    super(collection, filter, options);
+    this.cmdBase.update = update;
+    configureFindAndModifyCmdBaseUpdateOpts(this.cmdBase, options);
+
+    if (options.arrayFilters) {
+      this.cmdBase.arrayFilters = options.arrayFilters;
+    }
+  }
+}
+
+defineAspects(FindAndModifyOperation, [
+  Aspect.WRITE_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.EXPLAINABLE
+]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/get_more.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/get_more.ts
new file mode 100644
index 000000000..c86c3f368
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/get_more.ts
@@ -0,0 +1,106 @@
+import type { Document, Long } from '../bson';
+import { MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, maxWireVersion, MongoDBNamespace } from '../utils';
+import { AbstractOperation, Aspect, defineAspects, OperationOptions } from './operation';
+
+/** @internal */
+export interface GetMoreOptions extends OperationOptions {
+  /** Set the batchSize for the getMoreCommand when iterating over the query results. */
+  batchSize?: number;
+  /**
+   * Comment to apply to the operation.
+   *
+   * getMore only supports 'comment' in server versions 4.4 and above.
+   */
+  comment?: unknown;
+  /** Number of milliseconds to wait before aborting the query. */
+  maxTimeMS?: number;
+  /** TODO(NODE-4413): Address bug with maxAwaitTimeMS not being passed in from the cursor correctly */
+  maxAwaitTimeMS?: number;
+}
+
+/**
+ * GetMore command: https://www.mongodb.com/docs/manual/reference/command/getMore/
+ * @internal
+ */
+export interface GetMoreCommand {
+  getMore: Long;
+  collection: string;
+  batchSize?: number;
+  maxTimeMS?: number;
+  /** Only supported on wire versions 10 or greater */
+  comment?: unknown;
+}
+
+/** @internal */
+export class GetMoreOperation extends AbstractOperation {
+  cursorId: Long;
+  override options: GetMoreOptions;
+
+  constructor(ns: MongoDBNamespace, cursorId: Long, server: Server, options: GetMoreOptions) {
+    super(options);
+
+    this.options = options;
+    this.ns = ns;
+    this.cursorId = cursorId;
+    this.server = server;
+  }
+
+  /**
+   * Although there is a server already associated with the get more operation, the signature
+   * for execute passes a server so we will just use that one.
+   */
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    if (server !== this.server) {
+      return callback(
+        new MongoRuntimeError('Getmore must run on the same server operation began on')
+      );
+    }
+
+    if (this.cursorId == null || this.cursorId.isZero()) {
+      return callback(new MongoRuntimeError('Unable to iterate cursor with no id'));
+    }
+
+    const collection = this.ns.collection;
+    if (collection == null) {
+      // Cursors should have adopted the namespace returned by MongoDB
+      // which should always defined a collection name (even a pseudo one, ex. db.aggregate())
+      return callback(new MongoRuntimeError('A collection name must be determined before getMore'));
+    }
+
+    const getMoreCmd: GetMoreCommand = {
+      getMore: this.cursorId,
+      collection
+    };
+
+    if (typeof this.options.batchSize === 'number') {
+      getMoreCmd.batchSize = Math.abs(this.options.batchSize);
+    }
+
+    if (typeof this.options.maxAwaitTimeMS === 'number') {
+      getMoreCmd.maxTimeMS = this.options.maxAwaitTimeMS;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (this.options.comment !== undefined && maxWireVersion(server) >= 9) {
+      getMoreCmd.comment = this.options.comment;
+    }
+
+    const commandOptions = {
+      returnFieldSelector: null,
+      documentsReturnedIn: 'nextBatch',
+      ...this.options
+    };
+
+    server.command(this.ns, getMoreCmd, commandOptions, callback);
+  }
+}
+
+defineAspects(GetMoreOperation, [Aspect.READ_OPERATION, Aspect.MUST_SELECT_SAME_SERVER]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/indexes.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/indexes.ts
new file mode 100644
index 000000000..f1dfceeaa
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/indexes.ts
@@ -0,0 +1,500 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Db } from '../db';
+import { MongoCompatibilityError, MONGODB_ERROR_CODES, MongoServerError } from '../error';
+import type { OneOrMore } from '../mongo_types';
+import { ReadPreference } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, isObject, maxWireVersion, MongoDBNamespace } from '../utils';
+import {
+  CollationOptions,
+  CommandOperation,
+  CommandOperationOptions,
+  OperationParent
+} from './command';
+import { indexInformation, IndexInformationOptions } from './common_functions';
+import { AbstractOperation, Aspect, defineAspects } from './operation';
+
+const VALID_INDEX_OPTIONS = new Set([
+  'background',
+  'unique',
+  'name',
+  'partialFilterExpression',
+  'sparse',
+  'hidden',
+  'expireAfterSeconds',
+  'storageEngine',
+  'collation',
+  'version',
+
+  // text indexes
+  'weights',
+  'default_language',
+  'language_override',
+  'textIndexVersion',
+
+  // 2d-sphere indexes
+  '2dsphereIndexVersion',
+
+  // 2d indexes
+  'bits',
+  'min',
+  'max',
+
+  // geoHaystack Indexes
+  'bucketSize',
+
+  // wildcard indexes
+  'wildcardProjection'
+]);
+
+/** @public */
+export type IndexDirection = -1 | 1 | '2d' | '2dsphere' | 'text' | 'geoHaystack' | number;
+function isIndexDirection(x: unknown): x is IndexDirection {
+  return (
+    typeof x === 'number' || x === '2d' || x === '2dsphere' || x === 'text' || x === 'geoHaystack'
+  );
+}
+/** @public */
+export type IndexSpecification = OneOrMore<
+  | string
+  | [string, IndexDirection]
+  | { [key: string]: IndexDirection }
+  | Map<string, IndexDirection>
+>;
+
+/** @public */
+export interface IndexDescription
+  extends Pick<
+    CreateIndexesOptions,
+    | 'background'
+    | 'unique'
+    | 'partialFilterExpression'
+    | 'sparse'
+    | 'hidden'
+    | 'expireAfterSeconds'
+    | 'storageEngine'
+    | 'version'
+    | 'weights'
+    | 'default_language'
+    | 'language_override'
+    | 'textIndexVersion'
+    | '2dsphereIndexVersion'
+    | 'bits'
+    | 'min'
+    | 'max'
+    | 'bucketSize'
+    | 'wildcardProjection'
+  > {
+  collation?: CollationOptions;
+  name?: string;
+  key: { [key: string]: IndexDirection } | Map<string, IndexDirection>;
+}
+
+/** @public */
+export interface CreateIndexesOptions extends CommandOperationOptions {
+  /** Creates the index in the background, yielding whenever possible. */
+  background?: boolean;
+  /** Creates an unique index. */
+  unique?: boolean;
+  /** Override the autogenerated index name (useful if the resulting name is larger than 128 bytes) */
+  name?: string;
+  /** Creates a partial index based on the given filter object (MongoDB 3.2 or higher) */
+  partialFilterExpression?: Document;
+  /** Creates a sparse index. */
+  sparse?: boolean;
+  /** Allows you to expire data on indexes applied to a data (MongoDB 2.2 or higher) */
+  expireAfterSeconds?: number;
+  /** Allows users to configure the storage engine on a per-index basis when creating an index. (MongoDB 3.0 or higher) */
+  storageEngine?: Document;
+  /** (MongoDB 4.4. or higher) Specifies how many data-bearing members of a replica set, including the primary, must complete the index builds successfully before the primary marks the indexes as ready. This option accepts the same values for the "w" field in a write concern plus "votingMembers", which indicates all voting data-bearing nodes. */
+  commitQuorum?: number | string;
+  /** Specifies the index version number, either 0 or 1. */
+  version?: number;
+  // text indexes
+  weights?: Document;
+  default_language?: string;
+  language_override?: string;
+  textIndexVersion?: number;
+  // 2d-sphere indexes
+  '2dsphereIndexVersion'?: number;
+  // 2d indexes
+  bits?: number;
+  /** For geospatial indexes set the lower bound for the co-ordinates. */
+  min?: number;
+  /** For geospatial indexes set the high bound for the co-ordinates. */
+  max?: number;
+  // geoHaystack Indexes
+  bucketSize?: number;
+  // wildcard indexes
+  wildcardProjection?: Document;
+  /** Specifies that the index should exist on the target collection but should not be used by the query planner when executing operations. (MongoDB 4.4 or higher) */
+  hidden?: boolean;
+}
+
+function isSingleIndexTuple(t: unknown): t is [string, IndexDirection] {
+  return Array.isArray(t) && t.length === 2 && isIndexDirection(t[1]);
+}
+
+function makeIndexSpec(
+  indexSpec: IndexSpecification,
+  options?: CreateIndexesOptions
+): IndexDescription {
+  const key: Map<string, IndexDirection> = new Map();
+
+  const indexSpecs =
+    !Array.isArray(indexSpec) || isSingleIndexTuple(indexSpec) ? [indexSpec] : indexSpec;
+
+  // Iterate through array and handle different types
+  for (const spec of indexSpecs) {
+    if (typeof spec === 'string') {
+      key.set(spec, 1);
+    } else if (Array.isArray(spec)) {
+      key.set(spec[0], spec[1] ?? 1);
+    } else if (spec instanceof Map) {
+      for (const [property, value] of spec) {
+        key.set(property, value);
+      }
+    } else if (isObject(spec)) {
+      for (const [property, value] of Object.entries(spec)) {
+        key.set(property, value);
+      }
+    }
+  }
+
+  return { ...options, key };
+}
+
+/** @internal */
+export class IndexesOperation extends AbstractOperation<Document[]> {
+  override options: IndexInformationOptions;
+  collection: Collection;
+
+  constructor(collection: Collection, options: IndexInformationOptions) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document[]>
+  ): void {
+    const coll = this.collection;
+    const options = this.options;
+
+    indexInformation(
+      coll.s.db,
+      coll.collectionName,
+      { full: true, ...options, readPreference: this.readPreference, session },
+      callback
+    );
+  }
+}
+
+/** @internal */
+export class CreateIndexesOperation<
+  T extends string | string[] = string[]
+> extends CommandOperation<T> {
+  override options: CreateIndexesOptions;
+  collectionName: string;
+  indexes: ReadonlyArray<Omit<IndexDescription, 'key'> & { key: Map<string, IndexDirection> }>;
+
+  constructor(
+    parent: OperationParent,
+    collectionName: string,
+    indexes: IndexDescription[],
+    options?: CreateIndexesOptions
+  ) {
+    super(parent, options);
+
+    this.options = options ?? {};
+    this.collectionName = collectionName;
+    this.indexes = indexes.map(userIndex => {
+      // Ensure the key is a Map to preserve index key ordering
+      const key =
+        userIndex.key instanceof Map ? userIndex.key : new Map(Object.entries(userIndex.key));
+      const name = userIndex.name != null ? userIndex.name : Array.from(key).flat().join('_');
+      const validIndexOptions = Object.fromEntries(
+        Object.entries({ ...userIndex }).filter(([optionName]) =>
+          VALID_INDEX_OPTIONS.has(optionName)
+        )
+      );
+      return {
+        ...validIndexOptions,
+        name,
+        key
+      };
+    });
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<T>
+  ): void {
+    const options = this.options;
+    const indexes = this.indexes;
+
+    const serverWireVersion = maxWireVersion(server);
+
+    const cmd: Document = { createIndexes: this.collectionName, indexes };
+
+    if (options.commitQuorum != null) {
+      if (serverWireVersion < 9) {
+        callback(
+          new MongoCompatibilityError(
+            'Option `commitQuorum` for `createIndexes` not supported on servers < 4.4'
+          )
+        );
+        return;
+      }
+      cmd.commitQuorum = options.commitQuorum;
+    }
+
+    // collation is set on each index, it should not be defined at the root
+    this.options.collation = undefined;
+
+    super.executeCommand(server, session, cmd, err => {
+      if (err) {
+        callback(err);
+        return;
+      }
+
+      const indexNames = indexes.map(index => index.name || '');
+      callback(undefined, indexNames as T);
+    });
+  }
+}
+
+/** @internal */
+export class CreateIndexOperation extends CreateIndexesOperation<string> {
+  constructor(
+    parent: OperationParent,
+    collectionName: string,
+    indexSpec: IndexSpecification,
+    options?: CreateIndexesOptions
+  ) {
+    super(parent, collectionName, [makeIndexSpec(indexSpec, options)], options);
+  }
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<string>
+  ): void {
+    super.execute(server, session, (err, indexNames) => {
+      if (err || !indexNames) return callback(err);
+      return callback(undefined, indexNames[0]);
+    });
+  }
+}
+
+/** @internal */
+export class EnsureIndexOperation extends CreateIndexOperation {
+  db: Db;
+
+  constructor(
+    db: Db,
+    collectionName: string,
+    indexSpec: IndexSpecification,
+    options?: CreateIndexesOptions
+  ) {
+    super(db, collectionName, indexSpec, options);
+
+    this.readPreference = ReadPreference.primary;
+    this.db = db;
+    this.collectionName = collectionName;
+  }
+
+  override execute(server: Server, session: ClientSession | undefined, callback: Callback): void {
+    const indexName = this.indexes[0].name;
+    const cursor = this.db.collection(this.collectionName).listIndexes({ session });
+    cursor.toArray((err, indexes) => {
+      /// ignore "NamespaceNotFound" errors
+      if (err && (err as MongoServerError).code !== MONGODB_ERROR_CODES.NamespaceNotFound) {
+        return callback(err);
+      }
+
+      if (indexes) {
+        indexes = Array.isArray(indexes) ? indexes : [indexes];
+        if (indexes.some(index => index.name === indexName)) {
+          callback(undefined, indexName);
+          return;
+        }
+      }
+
+      super.execute(server, session, callback);
+    });
+  }
+}
+
+/** @public */
+export type DropIndexesOptions = CommandOperationOptions;
+
+/** @internal */
+export class DropIndexOperation extends CommandOperation<Document> {
+  override options: DropIndexesOptions;
+  collection: Collection;
+  indexName: string;
+
+  constructor(collection: Collection, indexName: string, options?: DropIndexesOptions) {
+    super(collection, options);
+
+    this.options = options ?? {};
+    this.collection = collection;
+    this.indexName = indexName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const cmd = { dropIndexes: this.collection.collectionName, index: this.indexName };
+    super.executeCommand(server, session, cmd, callback);
+  }
+}
+
+/** @internal */
+export class DropIndexesOperation extends DropIndexOperation {
+  constructor(collection: Collection, options: DropIndexesOptions) {
+    super(collection, '*', options);
+  }
+
+  override execute(server: Server, session: ClientSession | undefined, callback: Callback): void {
+    super.execute(server, session, err => {
+      if (err) return callback(err, false);
+      callback(undefined, true);
+    });
+  }
+}
+
+/** @public */
+export interface ListIndexesOptions extends CommandOperationOptions {
+  /** The batchSize for the returned command cursor or if pre 2.8 the systems batch collection */
+  batchSize?: number;
+}
+
+/** @internal */
+export class ListIndexesOperation extends CommandOperation<Document> {
+  override options: ListIndexesOptions;
+  collectionNamespace: MongoDBNamespace;
+
+  constructor(collection: Collection, options?: ListIndexesOptions) {
+    super(collection, options);
+
+    this.options = options ?? {};
+    this.collectionNamespace = collection.s.namespace;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const serverWireVersion = maxWireVersion(server);
+
+    const cursor = this.options.batchSize ? { batchSize: this.options.batchSize } : {};
+
+    const command: Document = { listIndexes: this.collectionNamespace.collection, cursor };
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (serverWireVersion >= 9 && this.options.comment !== undefined) {
+      command.comment = this.options.comment;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/** @internal */
+export class IndexExistsOperation extends AbstractOperation<boolean> {
+  override options: IndexInformationOptions;
+  collection: Collection;
+  indexes: string | string[];
+
+  constructor(
+    collection: Collection,
+    indexes: string | string[],
+    options: IndexInformationOptions
+  ) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+    this.indexes = indexes;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    const coll = this.collection;
+    const indexes = this.indexes;
+
+    indexInformation(
+      coll.s.db,
+      coll.collectionName,
+      { ...this.options, readPreference: this.readPreference, session },
+      (err, indexInformation) => {
+        // If we have an error return
+        if (err != null) return callback(err);
+        // Let's check for the index names
+        if (!Array.isArray(indexes)) return callback(undefined, indexInformation[indexes] != null);
+        // Check in list of indexes
+        for (let i = 0; i < indexes.length; i++) {
+          if (indexInformation[indexes[i]] == null) {
+            return callback(undefined, false);
+          }
+        }
+
+        // All keys found return true
+        return callback(undefined, true);
+      }
+    );
+  }
+}
+
+/** @internal */
+export class IndexInformationOperation extends AbstractOperation<Document> {
+  override options: IndexInformationOptions;
+  db: Db;
+  name: string;
+
+  constructor(db: Db, name: string, options?: IndexInformationOptions) {
+    super(options);
+    this.options = options ?? {};
+    this.db = db;
+    this.name = name;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const db = this.db;
+    const name = this.name;
+
+    indexInformation(
+      db,
+      name,
+      { ...this.options, readPreference: this.readPreference, session },
+      callback
+    );
+  }
+}
+
+defineAspects(ListIndexesOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.CURSOR_CREATING
+]);
+defineAspects(CreateIndexesOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(CreateIndexOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(EnsureIndexOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(DropIndexOperation, [Aspect.WRITE_OPERATION]);
+defineAspects(DropIndexesOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/insert.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/insert.ts
new file mode 100644
index 000000000..6475a5cfe
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/insert.ts
@@ -0,0 +1,158 @@
+import type { Document } from '../bson';
+import type { BulkWriteOptions } from '../bulk/common';
+import type { Collection } from '../collection';
+import { MongoInvalidArgumentError, MongoServerError } from '../error';
+import type { InferIdType } from '../mongo_types';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback, MongoDBNamespace } from '../utils';
+import { WriteConcern } from '../write_concern';
+import { BulkWriteOperation } from './bulk_write';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { prepareDocs } from './common_functions';
+import { AbstractOperation, Aspect, defineAspects } from './operation';
+
+/** @internal */
+export class InsertOperation extends CommandOperation<Document> {
+  override options: BulkWriteOptions;
+  documents: Document[];
+
+  constructor(ns: MongoDBNamespace, documents: Document[], options: BulkWriteOptions) {
+    super(undefined, options);
+    this.options = { ...options, checkKeys: options.checkKeys ?? false };
+    this.ns = ns;
+    this.documents = documents;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const options = this.options ?? {};
+    const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+    const command: Document = {
+      insert: this.ns.collection,
+      documents: this.documents,
+      ordered
+    };
+
+    if (typeof options.bypassDocumentValidation === 'boolean') {
+      command.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      command.comment = options.comment;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/** @public */
+export interface InsertOneOptions extends CommandOperationOptions {
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+  /** Force server to assign _id values instead of driver. */
+  forceServerObjectId?: boolean;
+}
+
+/** @public */
+export interface InsertOneResult<TSchema = Document> {
+  /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+  acknowledged: boolean;
+  /** The identifier that was inserted. If the server generated the identifier, this value will be null as the driver does not have access to that data */
+  insertedId: InferIdType<TSchema>;
+}
+
+export class InsertOneOperation extends InsertOperation {
+  constructor(collection: Collection, doc: Document, options: InsertOneOptions) {
+    super(collection.s.namespace, prepareDocs(collection, [doc], options), options);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<InsertOneResult>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || res == null) return callback(err);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) {
+        // This should be a WriteError but we can't change it now because of error hierarchy
+        return callback(new MongoServerError(res.writeErrors[0]));
+      }
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        insertedId: this.documents[0]._id
+      });
+    });
+  }
+}
+
+/** @public */
+export interface InsertManyResult<TSchema = Document> {
+  /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+  acknowledged: boolean;
+  /** The number of inserted documents for this operations */
+  insertedCount: number;
+  /** Map of the index of the inserted document to the id of the inserted document */
+  insertedIds: { [key: number]: InferIdType<TSchema> };
+}
+
+/** @internal */
+export class InsertManyOperation extends AbstractOperation<InsertManyResult> {
+  override options: BulkWriteOptions;
+  collection: Collection;
+  docs: Document[];
+
+  constructor(collection: Collection, docs: Document[], options: BulkWriteOptions) {
+    super(options);
+
+    if (!Array.isArray(docs)) {
+      throw new MongoInvalidArgumentError('Argument "docs" must be an array of documents');
+    }
+
+    this.options = options;
+    this.collection = collection;
+    this.docs = docs;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<InsertManyResult>
+  ): void {
+    const coll = this.collection;
+    const options = { ...this.options, ...this.bsonOptions, readPreference: this.readPreference };
+    const writeConcern = WriteConcern.fromOptions(options);
+    const bulkWriteOperation = new BulkWriteOperation(
+      coll,
+      prepareDocs(coll, this.docs, options).map(document => ({ insertOne: { document } })),
+      options
+    );
+
+    bulkWriteOperation.execute(server, session, (err, res) => {
+      if (err || res == null) {
+        if (err && err.message === 'Operation must be an object with an operation key') {
+          err = new MongoInvalidArgumentError(
+            'Collection.insertMany() cannot be called with an array that has null/undefined values'
+          );
+        }
+        return callback(err);
+      }
+      callback(undefined, {
+        acknowledged: writeConcern?.w !== 0 ?? true,
+        insertedCount: res.insertedCount,
+        insertedIds: res.insertedIds
+      });
+    });
+  }
+}
+
+defineAspects(InsertOperation, [Aspect.RETRYABLE, Aspect.WRITE_OPERATION]);
+defineAspects(InsertOneOperation, [Aspect.RETRYABLE, Aspect.WRITE_OPERATION]);
+defineAspects(InsertManyOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/is_capped.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/is_capped.ts
new file mode 100644
index 000000000..938c72f41
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/is_capped.ts
@@ -0,0 +1,42 @@
+import type { Collection } from '../collection';
+import { MongoAPIError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractOperation, OperationOptions } from './operation';
+
+/** @internal */
+export class IsCappedOperation extends AbstractOperation<boolean> {
+  override options: OperationOptions;
+  collection: Collection;
+
+  constructor(collection: Collection, options: OperationOptions) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    const coll = this.collection;
+
+    coll.s.db
+      .listCollections(
+        { name: coll.collectionName },
+        { ...this.options, nameOnly: false, readPreference: this.readPreference, session }
+      )
+      .toArray((err, collections) => {
+        if (err || !collections) return callback(err);
+        if (collections.length === 0) {
+          // TODO(NODE-3485)
+          return callback(new MongoAPIError(`collection ${coll.namespace} not found`));
+        }
+
+        const collOptions = collections[0].options;
+        callback(undefined, !!(collOptions && collOptions.capped));
+      });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/kill_cursors.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/kill_cursors.ts
new file mode 100644
index 000000000..59c78c15d
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/kill_cursors.ts
@@ -0,0 +1,53 @@
+import type { Long } from '../bson';
+import { MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback, MongoDBNamespace } from '../utils';
+import { AbstractOperation, Aspect, defineAspects, OperationOptions } from './operation';
+
+/**
+ * https://www.mongodb.com/docs/manual/reference/command/killCursors/
+ * @internal
+ */
+interface KillCursorsCommand {
+  killCursors: string;
+  cursors: Long[];
+  comment?: unknown;
+}
+
+export class KillCursorsOperation extends AbstractOperation {
+  cursorId: Long;
+
+  constructor(cursorId: Long, ns: MongoDBNamespace, server: Server, options: OperationOptions) {
+    super(options);
+    this.ns = ns;
+    this.cursorId = cursorId;
+    this.server = server;
+  }
+
+  execute(server: Server, session: ClientSession | undefined, callback: Callback<void>): void {
+    if (server !== this.server) {
+      return callback(
+        new MongoRuntimeError('Killcursor must run on the same server operation began on')
+      );
+    }
+
+    const killCursors = this.ns.collection;
+    if (killCursors == null) {
+      // Cursors should have adopted the namespace returned by MongoDB
+      // which should always defined a collection name (even a pseudo one, ex. db.aggregate())
+      return callback(
+        new MongoRuntimeError('A collection name must be determined before killCursors')
+      );
+    }
+
+    const killCursorsCommand: KillCursorsCommand = {
+      killCursors,
+      cursors: [this.cursorId]
+    };
+
+    server.command(this.ns, killCursorsCommand, { session }, () => callback());
+  }
+}
+
+defineAspects(KillCursorsOperation, [Aspect.MUST_SELECT_SAME_SERVER]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/list_collections.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/list_collections.ts
new file mode 100644
index 000000000..ae1c15ec2
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/list_collections.ts
@@ -0,0 +1,91 @@
+import type { Binary, Document } from '../bson';
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, maxWireVersion } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface ListCollectionsOptions extends CommandOperationOptions {
+  /** Since 4.0: If true, will only return the collection name in the response, and will omit additional info */
+  nameOnly?: boolean;
+  /** Since 4.0: If true and nameOnly is true, allows a user without the required privilege (i.e. listCollections action on the database) to run the command when access control is enforced. */
+  authorizedCollections?: boolean;
+  /** The batchSize for the returned command cursor or if pre 2.8 the systems batch collection */
+  batchSize?: number;
+}
+
+/** @internal */
+export class ListCollectionsOperation extends CommandOperation<string[]> {
+  override options: ListCollectionsOptions;
+  db: Db;
+  filter: Document;
+  nameOnly: boolean;
+  authorizedCollections: boolean;
+  batchSize?: number;
+
+  constructor(db: Db, filter: Document, options?: ListCollectionsOptions) {
+    super(db, options);
+
+    this.options = options ?? {};
+    this.db = db;
+    this.filter = filter;
+    this.nameOnly = !!this.options.nameOnly;
+    this.authorizedCollections = !!this.options.authorizedCollections;
+
+    if (typeof this.options.batchSize === 'number') {
+      this.batchSize = this.options.batchSize;
+    }
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<string[]>
+  ): void {
+    return super.executeCommand(
+      server,
+      session,
+      this.generateCommand(maxWireVersion(server)),
+      callback
+    );
+  }
+
+  /* This is here for the purpose of unit testing the final command that gets sent. */
+  generateCommand(wireVersion: number): Document {
+    const command: Document = {
+      listCollections: 1,
+      filter: this.filter,
+      cursor: this.batchSize ? { batchSize: this.batchSize } : {},
+      nameOnly: this.nameOnly,
+      authorizedCollections: this.authorizedCollections
+    };
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (wireVersion >= 9 && this.options.comment !== undefined) {
+      command.comment = this.options.comment;
+    }
+
+    return command;
+  }
+}
+
+/** @public */
+export interface CollectionInfo extends Document {
+  name: string;
+  type?: string;
+  options?: Document;
+  info?: {
+    readOnly?: false;
+    uuid?: Binary;
+  };
+  idIndex?: Document;
+}
+
+defineAspects(ListCollectionsOperation, [
+  Aspect.READ_OPERATION,
+  Aspect.RETRYABLE,
+  Aspect.CURSOR_CREATING
+]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/list_databases.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/list_databases.ts
new file mode 100644
index 000000000..537c95290
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/list_databases.ts
@@ -0,0 +1,65 @@
+import type { Document } from '../bson';
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, maxWireVersion, MongoDBNamespace } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface ListDatabasesResult {
+  databases: ({ name: string; sizeOnDisk?: number; empty?: boolean } & Document)[];
+  totalSize?: number;
+  totalSizeMb?: number;
+  ok: 1 | 0;
+}
+
+/** @public */
+export interface ListDatabasesOptions extends CommandOperationOptions {
+  /** A query predicate that determines which databases are listed */
+  filter?: Document;
+  /** A flag to indicate whether the command should return just the database names, or return both database names and size information */
+  nameOnly?: boolean;
+  /** A flag that determines which databases are returned based on the user privileges when access control is enabled */
+  authorizedDatabases?: boolean;
+}
+
+/** @internal */
+export class ListDatabasesOperation extends CommandOperation<ListDatabasesResult> {
+  override options: ListDatabasesOptions;
+
+  constructor(db: Db, options?: ListDatabasesOptions) {
+    super(db, options);
+    this.options = options ?? {};
+    this.ns = new MongoDBNamespace('admin', '$cmd');
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<ListDatabasesResult>
+  ): void {
+    const cmd: Document = { listDatabases: 1 };
+    if (this.options.nameOnly) {
+      cmd.nameOnly = Number(cmd.nameOnly);
+    }
+
+    if (this.options.filter) {
+      cmd.filter = this.options.filter;
+    }
+
+    if (typeof this.options.authorizedDatabases === 'boolean') {
+      cmd.authorizedDatabases = this.options.authorizedDatabases;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (maxWireVersion(server) >= 9 && this.options.comment !== undefined) {
+      cmd.comment = this.options.comment;
+    }
+
+    super.executeCommand(server, session, cmd, callback);
+  }
+}
+
+defineAspects(ListDatabasesOperation, [Aspect.READ_OPERATION, Aspect.RETRYABLE]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/map_reduce.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/map_reduce.ts
new file mode 100644
index 000000000..f3134f45a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/map_reduce.ts
@@ -0,0 +1,250 @@
+import type { ObjectId } from '../bson';
+import { Code, Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoServerError } from '../error';
+import { ReadPreference, ReadPreferenceMode } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Sort } from '../sort';
+import {
+  applyWriteConcern,
+  Callback,
+  decorateWithCollation,
+  decorateWithReadConcern,
+  isObject,
+  maxWireVersion
+} from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+const exclusionList = [
+  'explain',
+  'readPreference',
+  'readConcern',
+  'session',
+  'bypassDocumentValidation',
+  'writeConcern',
+  'raw',
+  'fieldsAsRaw',
+  'promoteLongs',
+  'promoteValues',
+  'promoteBuffers',
+  'bsonRegExp',
+  'serializeFunctions',
+  'ignoreUndefined',
+  'enableUtf8Validation',
+  'scope' // this option is reformatted thus exclude the original
+];
+
+/** @public */
+export type MapFunction<TSchema = Document> = (this: TSchema) => void;
+/** @public */
+export type ReduceFunction<TKey = ObjectId, TValue = any> = (key: TKey, values: TValue[]) => TValue;
+/** @public */
+export type FinalizeFunction<TKey = ObjectId, TValue = Document> = (
+  key: TKey,
+  reducedValue: TValue
+) => TValue;
+
+/** @public */
+export interface MapReduceOptions<TKey = ObjectId, TValue = Document>
+  extends CommandOperationOptions {
+  /** Sets the output target for the map reduce job. */
+  out?: 'inline' | { inline: 1 } | { replace: string } | { merge: string } | { reduce: string };
+  /** Query filter object. */
+  query?: Document;
+  /** Sorts the input objects using this key. Useful for optimization, like sorting by the emit key for fewer reduces. */
+  sort?: Sort;
+  /** Number of objects to return from collection. */
+  limit?: number;
+  /** Keep temporary data. */
+  keeptemp?: boolean;
+  /** Finalize function. */
+  finalize?: FinalizeFunction<TKey, TValue> | string;
+  /** Can pass in variables that can be access from map/reduce/finalize. */
+  scope?: Document;
+  /** It is possible to make the execution stay in JS. Provided in MongoDB \> 2.0.X. */
+  jsMode?: boolean;
+  /** Provide statistics on job execution time. */
+  verbose?: boolean;
+  /** Allow driver to bypass schema validation in MongoDB 3.2 or higher. */
+  bypassDocumentValidation?: boolean;
+}
+
+interface MapReduceStats {
+  processtime?: number;
+  counts?: number;
+  timing?: number;
+}
+
+/**
+ * Run Map Reduce across a collection. Be aware that the inline option for out will return an array of results not a collection.
+ * @internal
+ */
+export class MapReduceOperation extends CommandOperation<Document | Document[]> {
+  override options: MapReduceOptions;
+  collection: Collection;
+  /** The mapping function. */
+  map: MapFunction | string;
+  /** The reduce function. */
+  reduce: ReduceFunction | string;
+
+  /**
+   * Constructs a MapReduce operation.
+   *
+   * @param collection - Collection instance.
+   * @param map - The mapping function.
+   * @param reduce - The reduce function.
+   * @param options - Optional settings. See Collection.prototype.mapReduce for a list of options.
+   */
+  constructor(
+    collection: Collection,
+    map: MapFunction | string,
+    reduce: ReduceFunction | string,
+    options?: MapReduceOptions
+  ) {
+    super(collection, options);
+
+    this.options = options ?? {};
+    this.collection = collection;
+    this.map = map;
+    this.reduce = reduce;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document | Document[]>
+  ): void {
+    const coll = this.collection;
+    const map = this.map;
+    const reduce = this.reduce;
+    let options = this.options;
+
+    const mapCommandHash: Document = {
+      mapReduce: coll.collectionName,
+      map: map,
+      reduce: reduce
+    };
+
+    if (options.scope) {
+      mapCommandHash.scope = processScope(options.scope);
+    }
+
+    // Add any other options passed in
+    for (const n in options) {
+      // Only include if not in exclusion list
+      if (exclusionList.indexOf(n) === -1) {
+        mapCommandHash[n] = (options as any)[n];
+      }
+    }
+
+    options = Object.assign({}, options);
+
+    // If we have a read preference and inline is not set as output fail hard
+    if (
+      this.readPreference.mode === ReadPreferenceMode.primary &&
+      options.out &&
+      (options.out as any).inline !== 1 &&
+      options.out !== 'inline'
+    ) {
+      // Force readPreference to primary
+      options.readPreference = ReadPreference.primary;
+      // Decorate command with writeConcern if supported
+      applyWriteConcern(mapCommandHash, { db: coll.s.db, collection: coll }, options);
+    } else {
+      decorateWithReadConcern(mapCommandHash, coll, options);
+    }
+
+    // Is bypassDocumentValidation specified
+    if (options.bypassDocumentValidation === true) {
+      mapCommandHash.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+
+    // Have we specified collation
+    try {
+      decorateWithCollation(mapCommandHash, coll, options);
+    } catch (err) {
+      return callback(err);
+    }
+
+    if (this.explain && maxWireVersion(server) < 9) {
+      callback(
+        new MongoCompatibilityError(`Server ${server.name} does not support explain on mapReduce`)
+      );
+      return;
+    }
+
+    // Execute command
+    super.executeCommand(server, session, mapCommandHash, (err, result) => {
+      if (err) return callback(err);
+      // Check if we have an error
+      if (1 !== result.ok || result.err || result.errmsg) {
+        return callback(new MongoServerError(result));
+      }
+
+      // If an explain option was executed, don't process the server results
+      if (this.explain) return callback(undefined, result);
+
+      // Create statistics value
+      const stats: MapReduceStats = {};
+      if (result.timeMillis) stats['processtime'] = result.timeMillis;
+      if (result.counts) stats['counts'] = result.counts;
+      if (result.timing) stats['timing'] = result.timing;
+
+      // invoked with inline?
+      if (result.results) {
+        // If we wish for no verbosity
+        if (options['verbose'] == null || !options['verbose']) {
+          return callback(undefined, result.results);
+        }
+
+        return callback(undefined, { results: result.results, stats: stats });
+      }
+
+      // The returned collection
+      let collection = null;
+
+      // If we have an object it's a different db
+      if (result.result != null && typeof result.result === 'object') {
+        const doc = result.result;
+        // Return a collection from another db
+        collection = coll.s.db.s.client.db(doc.db, coll.s.db.s.options).collection(doc.collection);
+      } else {
+        // Create a collection object that wraps the result collection
+        collection = coll.s.db.collection(result.result);
+      }
+
+      // If we wish for no verbosity
+      if (options['verbose'] == null || !options['verbose']) {
+        return callback(err, collection);
+      }
+
+      // Return stats as third set of values
+      callback(err, { collection, stats });
+    });
+  }
+}
+
+/** Functions that are passed as scope args must be converted to Code instances. */
+function processScope(scope: Document | ObjectId) {
+  if (!isObject(scope) || (scope as any)._bsontype === 'ObjectID') {
+    return scope;
+  }
+
+  const newScope: Document = {};
+
+  for (const key of Object.keys(scope)) {
+    if ('function' === typeof (scope as Document)[key]) {
+      newScope[key] = new Code(String((scope as Document)[key]));
+    } else if ((scope as Document)[key]._bsontype === 'Code') {
+      newScope[key] = (scope as Document)[key];
+    } else {
+      newScope[key] = processScope((scope as Document)[key]);
+    }
+  }
+
+  return newScope;
+}
+
+defineAspects(MapReduceOperation, [Aspect.EXPLAINABLE]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/operation.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/operation.ts
new file mode 100644
index 000000000..0b5c52487
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/operation.ts
@@ -0,0 +1,125 @@
+import { BSONSerializeOptions, Document, resolveBSONOptions } from '../bson';
+import { ReadPreference, ReadPreferenceLike } from '../read_preference';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback, MongoDBNamespace } from '../utils';
+
+export const Aspect = {
+  READ_OPERATION: Symbol('READ_OPERATION'),
+  WRITE_OPERATION: Symbol('WRITE_OPERATION'),
+  RETRYABLE: Symbol('RETRYABLE'),
+  EXPLAINABLE: Symbol('EXPLAINABLE'),
+  SKIP_COLLATION: Symbol('SKIP_COLLATION'),
+  CURSOR_CREATING: Symbol('CURSOR_CREATING'),
+  MUST_SELECT_SAME_SERVER: Symbol('MUST_SELECT_SAME_SERVER')
+} as const;
+
+/** @public */
+export type Hint = string | Document;
+
+export interface OperationConstructor extends Function {
+  aspects?: Set<symbol>;
+}
+
+/** @public */
+export interface OperationOptions extends BSONSerializeOptions {
+  /** Specify ClientSession for this command */
+  session?: ClientSession;
+  willRetryWrite?: boolean;
+
+  /** The preferred read preference (ReadPreference.primary, ReadPreference.primary_preferred, ReadPreference.secondary, ReadPreference.secondary_preferred, ReadPreference.nearest). */
+  readPreference?: ReadPreferenceLike;
+
+  /** @internal Hints to `executeOperation` that this operation should not unpin on an ended transaction */
+  bypassPinningCheck?: boolean;
+  omitReadPreference?: boolean;
+}
+
+/** @internal */
+const kSession = Symbol('session');
+
+/**
+ * This class acts as a parent class for any operation and is responsible for setting this.options,
+ * as well as setting and getting a session.
+ * Additionally, this class implements `hasAspect`, which determines whether an operation has
+ * a specific aspect.
+ * @internal
+ */
+export abstract class AbstractOperation<TResult = any> {
+  ns!: MongoDBNamespace;
+  cmd!: Document;
+  readPreference: ReadPreference;
+  server!: Server;
+  bypassPinningCheck: boolean;
+  trySecondaryWrite: boolean;
+
+  // BSON serialization options
+  bsonOptions?: BSONSerializeOptions;
+
+  options: OperationOptions;
+
+  [kSession]: ClientSession | undefined;
+
+  constructor(options: OperationOptions = {}) {
+    this.readPreference = this.hasAspect(Aspect.WRITE_OPERATION)
+      ? ReadPreference.primary
+      : ReadPreference.fromOptions(options) ?? ReadPreference.primary;
+
+    // Pull the BSON serialize options from the already-resolved options
+    this.bsonOptions = resolveBSONOptions(options);
+
+    this[kSession] = options.session != null ? options.session : undefined;
+
+    this.options = options;
+    this.bypassPinningCheck = !!options.bypassPinningCheck;
+    this.trySecondaryWrite = false;
+  }
+
+  abstract execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<TResult>
+  ): void;
+
+  hasAspect(aspect: symbol): boolean {
+    const ctor = this.constructor as OperationConstructor;
+    if (ctor.aspects == null) {
+      return false;
+    }
+
+    return ctor.aspects.has(aspect);
+  }
+
+  get session(): ClientSession | undefined {
+    return this[kSession];
+  }
+
+  clearSession() {
+    this[kSession] = undefined;
+  }
+
+  get canRetryRead(): boolean {
+    return true;
+  }
+
+  get canRetryWrite(): boolean {
+    return true;
+  }
+}
+
+export function defineAspects(
+  operation: OperationConstructor,
+  aspects: symbol | symbol[] | Set<symbol>
+): Set<symbol> {
+  if (!Array.isArray(aspects) && !(aspects instanceof Set)) {
+    aspects = [aspects];
+  }
+
+  aspects = new Set(aspects);
+  Object.defineProperty(operation, 'aspects', {
+    value: aspects,
+    writable: false
+  });
+
+  return aspects;
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/options_operation.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/options_operation.ts
new file mode 100644
index 000000000..27853d34e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/options_operation.ts
@@ -0,0 +1,42 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import { MongoAPIError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { AbstractOperation, OperationOptions } from './operation';
+
+/** @internal */
+export class OptionsOperation extends AbstractOperation<Document> {
+  override options: OperationOptions;
+  collection: Collection;
+
+  constructor(collection: Collection, options: OperationOptions) {
+    super(options);
+    this.options = options;
+    this.collection = collection;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const coll = this.collection;
+
+    coll.s.db
+      .listCollections(
+        { name: coll.collectionName },
+        { ...this.options, nameOnly: false, readPreference: this.readPreference, session }
+      )
+      .toArray((err, collections) => {
+        if (err || !collections) return callback(err);
+        if (collections.length === 0) {
+          // TODO(NODE-3485)
+          return callback(new MongoAPIError(`collection ${coll.namespace} not found`));
+        }
+
+        callback(err, collections[0].options);
+      });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/profiling_level.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/profiling_level.ts
new file mode 100644
index 000000000..defe6b0d5
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/profiling_level.ts
@@ -0,0 +1,39 @@
+import type { Db } from '../db';
+import { MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+
+/** @public */
+export type ProfilingLevelOptions = CommandOperationOptions;
+
+/** @internal */
+export class ProfilingLevelOperation extends CommandOperation<string> {
+  override options: ProfilingLevelOptions;
+
+  constructor(db: Db, options: ProfilingLevelOptions) {
+    super(db, options);
+    this.options = options;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<string>
+  ): void {
+    super.executeCommand(server, session, { profile: -1 }, (err, doc) => {
+      if (err == null && doc.ok === 1) {
+        const was = doc.was;
+        if (was === 0) return callback(undefined, 'off');
+        if (was === 1) return callback(undefined, 'slow_only');
+        if (was === 2) return callback(undefined, 'all');
+        // TODO(NODE-3483)
+        return callback(new MongoRuntimeError(`Illegal profiling level value ${was}`));
+      } else {
+        // TODO(NODE-3483): Consider MongoUnexpectedServerResponseError
+        err != null ? callback(err) : callback(new MongoRuntimeError('Error with profile command'));
+      }
+    });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/remove_user.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/remove_user.ts
new file mode 100644
index 000000000..f32c19c24
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/remove_user.ts
@@ -0,0 +1,33 @@
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export type RemoveUserOptions = CommandOperationOptions;
+
+/** @internal */
+export class RemoveUserOperation extends CommandOperation<boolean> {
+  override options: RemoveUserOptions;
+  username: string;
+
+  constructor(db: Db, username: string, options: RemoveUserOptions) {
+    super(db, options);
+    this.options = options;
+    this.username = username;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<boolean>
+  ): void {
+    super.executeCommand(server, session, { dropUser: this.username }, err => {
+      callback(err, err ? false : true);
+    });
+  }
+}
+
+defineAspects(RemoveUserOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/rename.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/rename.ts
new file mode 100644
index 000000000..02e27a5bf
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/rename.ts
@@ -0,0 +1,67 @@
+import type { Document } from '../bson';
+import { Collection } from '../collection';
+import { MongoServerError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, checkCollectionName } from '../utils';
+import type { CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+import { RunAdminCommandOperation } from './run_command';
+
+/** @public */
+export interface RenameOptions extends CommandOperationOptions {
+  /** Drop the target name collection if it previously exists. */
+  dropTarget?: boolean;
+  /** Unclear */
+  new_collection?: boolean;
+}
+
+/** @internal */
+export class RenameOperation extends RunAdminCommandOperation {
+  override options: RenameOptions;
+  collection: Collection;
+  newName: string;
+
+  constructor(collection: Collection, newName: string, options: RenameOptions) {
+    // Check the collection name
+    checkCollectionName(newName);
+
+    // Build the command
+    const renameCollection = collection.namespace;
+    const toCollection = collection.s.namespace.withCollection(newName).toString();
+    const dropTarget = typeof options.dropTarget === 'boolean' ? options.dropTarget : false;
+    const cmd = { renameCollection: renameCollection, to: toCollection, dropTarget: dropTarget };
+
+    super(collection, cmd, options);
+    this.options = options;
+    this.collection = collection;
+    this.newName = newName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Collection>
+  ): void {
+    const coll = this.collection;
+
+    super.execute(server, session, (err, doc) => {
+      if (err) return callback(err);
+      // We have an error
+      if (doc?.errmsg) {
+        return callback(new MongoServerError(doc));
+      }
+
+      let newColl: Collection<Document>;
+      try {
+        newColl = new Collection(coll.s.db, this.newName, coll.s.options);
+      } catch (err) {
+        return callback(err);
+      }
+
+      return callback(undefined, newColl);
+    });
+  }
+}
+
+defineAspects(RenameOperation, [Aspect.WRITE_OPERATION]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/run_command.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/run_command.ts
new file mode 100644
index 000000000..b92237a9a
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/run_command.ts
@@ -0,0 +1,36 @@
+import type { Document } from '../bson';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import { Callback, MongoDBNamespace } from '../utils';
+import { CommandOperation, CommandOperationOptions, OperationParent } from './command';
+
+/** @public */
+export type RunCommandOptions = CommandOperationOptions;
+
+/** @internal */
+export class RunCommandOperation<T = Document> extends CommandOperation<T> {
+  override options: RunCommandOptions;
+  command: Document;
+
+  constructor(parent: OperationParent | undefined, command: Document, options?: RunCommandOptions) {
+    super(parent, options);
+    this.options = options ?? {};
+    this.command = command;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<T>
+  ): void {
+    const command = this.command;
+    this.executeCommand(server, session, command, callback);
+  }
+}
+
+export class RunAdminCommandOperation<T = Document> extends RunCommandOperation<T> {
+  constructor(parent: OperationParent | undefined, command: Document, options?: RunCommandOptions) {
+    super(parent, command, options);
+    this.ns = new MongoDBNamespace('admin');
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/set_profiling_level.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/set_profiling_level.ts
new file mode 100644
index 000000000..6fc8502dc
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/set_profiling_level.ts
@@ -0,0 +1,74 @@
+import type { Db } from '../db';
+import { MongoInvalidArgumentError, MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { enumToString } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+
+const levelValues = new Set(['off', 'slow_only', 'all']);
+
+/** @public */
+export const ProfilingLevel = Object.freeze({
+  off: 'off',
+  slowOnly: 'slow_only',
+  all: 'all'
+} as const);
+
+/** @public */
+export type ProfilingLevel = typeof ProfilingLevel[keyof typeof ProfilingLevel];
+
+/** @public */
+export type SetProfilingLevelOptions = CommandOperationOptions;
+
+/** @internal */
+export class SetProfilingLevelOperation extends CommandOperation<ProfilingLevel> {
+  override options: SetProfilingLevelOptions;
+  level: ProfilingLevel;
+  profile: 0 | 1 | 2;
+
+  constructor(db: Db, level: ProfilingLevel, options: SetProfilingLevelOptions) {
+    super(db, options);
+    this.options = options;
+    switch (level) {
+      case ProfilingLevel.off:
+        this.profile = 0;
+        break;
+      case ProfilingLevel.slowOnly:
+        this.profile = 1;
+        break;
+      case ProfilingLevel.all:
+        this.profile = 2;
+        break;
+      default:
+        this.profile = 0;
+        break;
+    }
+
+    this.level = level;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<ProfilingLevel>
+  ): void {
+    const level = this.level;
+
+    if (!levelValues.has(level)) {
+      return callback(
+        new MongoInvalidArgumentError(
+          `Profiling level must be one of "${enumToString(ProfilingLevel)}"`
+        )
+      );
+    }
+
+    // TODO(NODE-3483): Determine error to put here
+    super.executeCommand(server, session, { profile: this.profile }, (err, doc) => {
+      if (err == null && doc.ok === 1) return callback(undefined, level);
+      return err != null
+        ? callback(err)
+        : callback(new MongoRuntimeError('Error with profile command'));
+    });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/stats.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/stats.ts
new file mode 100644
index 000000000..b63a70de3
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/stats.ts
@@ -0,0 +1,271 @@
+import type { Document } from '../bson';
+import type { Collection } from '../collection';
+import type { Db } from '../db';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects } from './operation';
+
+/** @public */
+export interface CollStatsOptions extends CommandOperationOptions {
+  /** Divide the returned sizes by scale value. */
+  scale?: number;
+}
+
+/**
+ * Get all the collection statistics.
+ * @internal
+ */
+export class CollStatsOperation extends CommandOperation<Document> {
+  override options: CollStatsOptions;
+  collectionName: string;
+
+  /**
+   * Construct a Stats operation.
+   *
+   * @param collection - Collection instance
+   * @param options - Optional settings. See Collection.prototype.stats for a list of options.
+   */
+  constructor(collection: Collection, options?: CollStatsOptions) {
+    super(collection, options);
+    this.options = options ?? {};
+    this.collectionName = collection.collectionName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<CollStats>
+  ): void {
+    const command: Document = { collStats: this.collectionName };
+    if (this.options.scale != null) {
+      command.scale = this.options.scale;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/** @public */
+export interface DbStatsOptions extends CommandOperationOptions {
+  /** Divide the returned sizes by scale value. */
+  scale?: number;
+}
+
+/** @internal */
+export class DbStatsOperation extends CommandOperation<Document> {
+  override options: DbStatsOptions;
+
+  constructor(db: Db, options: DbStatsOptions) {
+    super(db, options);
+    this.options = options;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const command: Document = { dbStats: true };
+    if (this.options.scale != null) {
+      command.scale = this.options.scale;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/**
+ * @public
+ * @see https://docs.mongodb.org/manual/reference/command/collStats/
+ */
+export interface CollStats extends Document {
+  /** Namespace */
+  ns: string;
+  /** Number of documents */
+  count: number;
+  /** Collection size in bytes */
+  size: number;
+  /** Average object size in bytes */
+  avgObjSize: number;
+  /** (Pre)allocated space for the collection in bytes */
+  storageSize: number;
+  /** Number of extents (contiguously allocated chunks of datafile space) */
+  numExtents: number;
+  /** Number of indexes */
+  nindexes: number;
+  /** Size of the most recently created extent in bytes */
+  lastExtentSize: number;
+  /** Padding can speed up updates if documents grow */
+  paddingFactor: number;
+  /** A number that indicates the user-set flags on the collection. userFlags only appears when using the mmapv1 storage engine */
+  userFlags?: number;
+  /** Total index size in bytes */
+  totalIndexSize: number;
+  /** Size of specific indexes in bytes */
+  indexSizes: {
+    _id_: number;
+    [index: string]: number;
+  };
+  /** `true` if the collection is capped */
+  capped: boolean;
+  /** The maximum number of documents that may be present in a capped collection */
+  max: number;
+  /** The maximum size of a capped collection */
+  maxSize: number;
+  /** This document contains data reported directly by the WiredTiger engine and other data for internal diagnostic use */
+  wiredTiger?: WiredTigerData;
+  /** The fields in this document are the names of the indexes, while the values themselves are documents that contain statistics for the index provided by the storage engine */
+  indexDetails?: any;
+  ok: number;
+
+  /** The amount of storage available for reuse. The scale argument affects this value. */
+  freeStorageSize?: number;
+  /** An array that contains the names of the indexes that are currently being built on the collection */
+  indexBuilds?: number;
+  /** The sum of the storageSize and totalIndexSize. The scale argument affects this value */
+  totalSize: number;
+  /** The scale value used by the command. */
+  scaleFactor: number;
+}
+
+/** @public */
+export interface WiredTigerData extends Document {
+  LSM: {
+    'bloom filter false positives': number;
+    'bloom filter hits': number;
+    'bloom filter misses': number;
+    'bloom filter pages evicted from cache': number;
+    'bloom filter pages read into cache': number;
+    'bloom filters in the LSM tree': number;
+    'chunks in the LSM tree': number;
+    'highest merge generation in the LSM tree': number;
+    'queries that could have benefited from a Bloom filter that did not exist': number;
+    'sleep for LSM checkpoint throttle': number;
+    'sleep for LSM merge throttle': number;
+    'total size of bloom filters': number;
+  } & Document;
+  'block-manager': {
+    'allocations requiring file extension': number;
+    'blocks allocated': number;
+    'blocks freed': number;
+    'checkpoint size': number;
+    'file allocation unit size': number;
+    'file bytes available for reuse': number;
+    'file magic number': number;
+    'file major version number': number;
+    'file size in bytes': number;
+    'minor version number': number;
+  };
+  btree: {
+    'btree checkpoint generation': number;
+    'column-store fixed-size leaf pages': number;
+    'column-store internal pages': number;
+    'column-store variable-size RLE encoded values': number;
+    'column-store variable-size deleted values': number;
+    'column-store variable-size leaf pages': number;
+    'fixed-record size': number;
+    'maximum internal page key size': number;
+    'maximum internal page size': number;
+    'maximum leaf page key size': number;
+    'maximum leaf page size': number;
+    'maximum leaf page value size': number;
+    'maximum tree depth': number;
+    'number of key/value pairs': number;
+    'overflow pages': number;
+    'pages rewritten by compaction': number;
+    'row-store internal pages': number;
+    'row-store leaf pages': number;
+  } & Document;
+  cache: {
+    'bytes currently in the cache': number;
+    'bytes read into cache': number;
+    'bytes written from cache': number;
+    'checkpoint blocked page eviction': number;
+    'data source pages selected for eviction unable to be evicted': number;
+    'hazard pointer blocked page eviction': number;
+    'in-memory page passed criteria to be split': number;
+    'in-memory page splits': number;
+    'internal pages evicted': number;
+    'internal pages split during eviction': number;
+    'leaf pages split during eviction': number;
+    'modified pages evicted': number;
+    'overflow pages read into cache': number;
+    'overflow values cached in memory': number;
+    'page split during eviction deepened the tree': number;
+    'page written requiring lookaside records': number;
+    'pages read into cache': number;
+    'pages read into cache requiring lookaside entries': number;
+    'pages requested from the cache': number;
+    'pages written from cache': number;
+    'pages written requiring in-memory restoration': number;
+    'tracked dirty bytes in the cache': number;
+    'unmodified pages evicted': number;
+  } & Document;
+  cache_walk: {
+    'Average difference between current eviction generation when the page was last considered': number;
+    'Average on-disk page image size seen': number;
+    'Clean pages currently in cache': number;
+    'Current eviction generation': number;
+    'Dirty pages currently in cache': number;
+    'Entries in the root page': number;
+    'Internal pages currently in cache': number;
+    'Leaf pages currently in cache': number;
+    'Maximum difference between current eviction generation when the page was last considered': number;
+    'Maximum page size seen': number;
+    'Minimum on-disk page image size seen': number;
+    'On-disk page image sizes smaller than a single allocation unit': number;
+    'Pages created in memory and never written': number;
+    'Pages currently queued for eviction': number;
+    'Pages that could not be queued for eviction': number;
+    'Refs skipped during cache traversal': number;
+    'Size of the root page': number;
+    'Total number of pages currently in cache': number;
+  } & Document;
+  compression: {
+    'compressed pages read': number;
+    'compressed pages written': number;
+    'page written failed to compress': number;
+    'page written was too small to compress': number;
+    'raw compression call failed, additional data available': number;
+    'raw compression call failed, no additional data available': number;
+    'raw compression call succeeded': number;
+  } & Document;
+  cursor: {
+    'bulk-loaded cursor-insert calls': number;
+    'create calls': number;
+    'cursor-insert key and value bytes inserted': number;
+    'cursor-remove key bytes removed': number;
+    'cursor-update value bytes updated': number;
+    'insert calls': number;
+    'next calls': number;
+    'prev calls': number;
+    'remove calls': number;
+    'reset calls': number;
+    'restarted searches': number;
+    'search calls': number;
+    'search near calls': number;
+    'truncate calls': number;
+    'update calls': number;
+  };
+  reconciliation: {
+    'dictionary matches': number;
+    'fast-path pages deleted': number;
+    'internal page key bytes discarded using suffix compression': number;
+    'internal page multi-block writes': number;
+    'internal-page overflow keys': number;
+    'leaf page key bytes discarded using prefix compression': number;
+    'leaf page multi-block writes': number;
+    'leaf-page overflow keys': number;
+    'maximum blocks required for a page': number;
+    'overflow values written': number;
+    'page checksum matches': number;
+    'page reconciliation calls': number;
+    'page reconciliation calls for eviction': number;
+    'pages deleted': number;
+  } & Document;
+}
+
+defineAspects(CollStatsOperation, [Aspect.READ_OPERATION]);
+defineAspects(DbStatsOperation, [Aspect.READ_OPERATION]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/update.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/update.ts
new file mode 100644
index 000000000..a389878a1
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/update.ts
@@ -0,0 +1,334 @@
+import type { Document, ObjectId } from '../bson';
+import type { Collection } from '../collection';
+import { MongoCompatibilityError, MongoInvalidArgumentError, MongoServerError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import {
+  Callback,
+  collationNotSupported,
+  hasAtomicOperators,
+  maxWireVersion,
+  MongoDBNamespace
+} from '../utils';
+import { CollationOptions, CommandOperation, CommandOperationOptions } from './command';
+import { Aspect, defineAspects, Hint } from './operation';
+
+/** @public */
+export interface UpdateOptions extends CommandOperationOptions {
+  /** A set of filters specifying to which array elements an update should apply */
+  arrayFilters?: Document[];
+  /** If true, allows the write to opt-out of document level validation */
+  bypassDocumentValidation?: boolean;
+  /** Specifies a collation */
+  collation?: CollationOptions;
+  /** Specify that the update query should only consider plans using the hinted index */
+  hint?: string | Document;
+  /** When true, creates a new document if no document matches the query */
+  upsert?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @public */
+export interface UpdateResult {
+  /** Indicates whether this write result was acknowledged. If not, then all other members of this result will be undefined */
+  acknowledged: boolean;
+  /** The number of documents that matched the filter */
+  matchedCount: number;
+  /** The number of documents that were modified */
+  modifiedCount: number;
+  /** The number of documents that were upserted */
+  upsertedCount: number;
+  /** The identifier of the inserted document if an upsert took place */
+  upsertedId: ObjectId;
+}
+
+/** @public */
+export interface UpdateStatement {
+  /** The query that matches documents to update. */
+  q: Document;
+  /** The modifications to apply. */
+  u: Document | Document[];
+  /**  If true, perform an insert if no documents match the query. */
+  upsert?: boolean;
+  /** If true, updates all documents that meet the query criteria. */
+  multi?: boolean;
+  /** Specifies the collation to use for the operation. */
+  collation?: CollationOptions;
+  /** An array of filter documents that determines which array elements to modify for an update operation on an array field. */
+  arrayFilters?: Document[];
+  /** A document or string that specifies the index to use to support the query predicate. */
+  hint?: Hint;
+}
+
+/** @internal */
+export class UpdateOperation extends CommandOperation<Document> {
+  override options: UpdateOptions & { ordered?: boolean };
+  statements: UpdateStatement[];
+
+  constructor(
+    ns: MongoDBNamespace,
+    statements: UpdateStatement[],
+    options: UpdateOptions & { ordered?: boolean }
+  ) {
+    super(undefined, options);
+    this.options = options;
+    this.ns = ns;
+
+    this.statements = statements;
+  }
+
+  override get canRetryWrite(): boolean {
+    if (super.canRetryWrite === false) {
+      return false;
+    }
+
+    return this.statements.every(op => op.multi == null || op.multi === false);
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const options = this.options ?? {};
+    const ordered = typeof options.ordered === 'boolean' ? options.ordered : true;
+    const command: Document = {
+      update: this.ns.collection,
+      updates: this.statements,
+      ordered
+    };
+
+    if (typeof options.bypassDocumentValidation === 'boolean') {
+      command.bypassDocumentValidation = options.bypassDocumentValidation;
+    }
+
+    if (options.let) {
+      command.let = options.let;
+    }
+
+    // we check for undefined specifically here to allow falsy values
+    // eslint-disable-next-line no-restricted-syntax
+    if (options.comment !== undefined) {
+      command.comment = options.comment;
+    }
+
+    const statementWithCollation = this.statements.find(statement => !!statement.collation);
+    if (
+      collationNotSupported(server, options) ||
+      (statementWithCollation && collationNotSupported(server, statementWithCollation))
+    ) {
+      callback(new MongoCompatibilityError(`Server ${server.name} does not support collation`));
+      return;
+    }
+
+    const unacknowledgedWrite = this.writeConcern && this.writeConcern.w === 0;
+    if (unacknowledgedWrite || maxWireVersion(server) < 5) {
+      if (this.statements.find((o: Document) => o.hint)) {
+        callback(new MongoCompatibilityError(`Servers < 3.4 do not support hint on update`));
+        return;
+      }
+    }
+
+    if (this.explain && maxWireVersion(server) < 3) {
+      callback(
+        new MongoCompatibilityError(`Server ${server.name} does not support explain on update`)
+      );
+      return;
+    }
+
+    if (this.statements.some(statement => !!statement.arrayFilters) && maxWireVersion(server) < 6) {
+      callback(
+        new MongoCompatibilityError('Option "arrayFilters" is only supported on MongoDB 3.6+')
+      );
+      return;
+    }
+
+    super.executeCommand(server, session, command, callback);
+  }
+}
+
+/** @internal */
+export class UpdateOneOperation extends UpdateOperation {
+  constructor(collection: Collection, filter: Document, update: Document, options: UpdateOptions) {
+    super(
+      collection.s.namespace,
+      [makeUpdateStatement(filter, update, { ...options, multi: false })],
+      options
+    );
+
+    if (!hasAtomicOperators(update)) {
+      throw new MongoInvalidArgumentError('Update document requires atomic operators');
+    }
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<UpdateResult | Document>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || !res) return callback(err);
+      if (this.explain != null) return callback(undefined, res);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        modifiedCount: res.nModified != null ? res.nModified : res.n,
+        upsertedId:
+          Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+        upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+        matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+      });
+    });
+  }
+}
+
+/** @internal */
+export class UpdateManyOperation extends UpdateOperation {
+  constructor(collection: Collection, filter: Document, update: Document, options: UpdateOptions) {
+    super(
+      collection.s.namespace,
+      [makeUpdateStatement(filter, update, { ...options, multi: true })],
+      options
+    );
+
+    if (!hasAtomicOperators(update)) {
+      throw new MongoInvalidArgumentError('Update document requires atomic operators');
+    }
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<UpdateResult | Document>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || !res) return callback(err);
+      if (this.explain != null) return callback(undefined, res);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        modifiedCount: res.nModified != null ? res.nModified : res.n,
+        upsertedId:
+          Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+        upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+        matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+      });
+    });
+  }
+}
+
+/** @public */
+export interface ReplaceOptions extends CommandOperationOptions {
+  /** If true, allows the write to opt-out of document level validation */
+  bypassDocumentValidation?: boolean;
+  /** Specifies a collation */
+  collation?: CollationOptions;
+  /** Specify that the update query should only consider plans using the hinted index */
+  hint?: string | Document;
+  /** When true, creates a new document if no document matches the query */
+  upsert?: boolean;
+  /** Map of parameter names and values that can be accessed using $$var (requires MongoDB 5.0). */
+  let?: Document;
+}
+
+/** @internal */
+export class ReplaceOneOperation extends UpdateOperation {
+  constructor(
+    collection: Collection,
+    filter: Document,
+    replacement: Document,
+    options: ReplaceOptions
+  ) {
+    super(
+      collection.s.namespace,
+      [makeUpdateStatement(filter, replacement, { ...options, multi: false })],
+      options
+    );
+
+    if (hasAtomicOperators(replacement)) {
+      throw new MongoInvalidArgumentError('Replacement document must not contain atomic operators');
+    }
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<UpdateResult | Document>
+  ): void {
+    super.execute(server, session, (err, res) => {
+      if (err || !res) return callback(err);
+      if (this.explain != null) return callback(undefined, res);
+      if (res.code) return callback(new MongoServerError(res));
+      if (res.writeErrors) return callback(new MongoServerError(res.writeErrors[0]));
+
+      callback(undefined, {
+        acknowledged: this.writeConcern?.w !== 0 ?? true,
+        modifiedCount: res.nModified != null ? res.nModified : res.n,
+        upsertedId:
+          Array.isArray(res.upserted) && res.upserted.length > 0 ? res.upserted[0]._id : null,
+        upsertedCount: Array.isArray(res.upserted) && res.upserted.length ? res.upserted.length : 0,
+        matchedCount: Array.isArray(res.upserted) && res.upserted.length > 0 ? 0 : res.n
+      });
+    });
+  }
+}
+
+export function makeUpdateStatement(
+  filter: Document,
+  update: Document,
+  options: UpdateOptions & { multi?: boolean }
+): UpdateStatement {
+  if (filter == null || typeof filter !== 'object') {
+    throw new MongoInvalidArgumentError('Selector must be a valid JavaScript object');
+  }
+
+  if (update == null || typeof update !== 'object') {
+    throw new MongoInvalidArgumentError('Document must be a valid JavaScript object');
+  }
+
+  const op: UpdateStatement = { q: filter, u: update };
+  if (typeof options.upsert === 'boolean') {
+    op.upsert = options.upsert;
+  }
+
+  if (options.multi) {
+    op.multi = options.multi;
+  }
+
+  if (options.hint) {
+    op.hint = options.hint;
+  }
+
+  if (options.arrayFilters) {
+    op.arrayFilters = options.arrayFilters;
+  }
+
+  if (options.collation) {
+    op.collation = options.collation;
+  }
+
+  return op;
+}
+
+defineAspects(UpdateOperation, [Aspect.RETRYABLE, Aspect.WRITE_OPERATION, Aspect.SKIP_COLLATION]);
+defineAspects(UpdateOneOperation, [
+  Aspect.RETRYABLE,
+  Aspect.WRITE_OPERATION,
+  Aspect.EXPLAINABLE,
+  Aspect.SKIP_COLLATION
+]);
+defineAspects(UpdateManyOperation, [
+  Aspect.WRITE_OPERATION,
+  Aspect.EXPLAINABLE,
+  Aspect.SKIP_COLLATION
+]);
+defineAspects(ReplaceOneOperation, [
+  Aspect.RETRYABLE,
+  Aspect.WRITE_OPERATION,
+  Aspect.SKIP_COLLATION
+]);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/operations/validate_collection.ts b/node_modules/mongoose/node_modules/mongodb/src/operations/validate_collection.ts
new file mode 100644
index 000000000..ba6c85fad
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/operations/validate_collection.ts
@@ -0,0 +1,59 @@
+import type { Admin } from '../admin';
+import type { Document } from '../bson';
+import { MongoRuntimeError } from '../error';
+import type { Server } from '../sdam/server';
+import type { ClientSession } from '../sessions';
+import type { Callback } from '../utils';
+import { CommandOperation, CommandOperationOptions } from './command';
+
+/** @public */
+export interface ValidateCollectionOptions extends CommandOperationOptions {
+  /** Validates a collection in the background, without interrupting read or write traffic (only in MongoDB 4.4+) */
+  background?: boolean;
+}
+
+/** @internal */
+export class ValidateCollectionOperation extends CommandOperation<Document> {
+  override options: ValidateCollectionOptions;
+  collectionName: string;
+  command: Document;
+
+  constructor(admin: Admin, collectionName: string, options: ValidateCollectionOptions) {
+    // Decorate command with extra options
+    const command: Document = { validate: collectionName };
+    const keys = Object.keys(options);
+    for (let i = 0; i < keys.length; i++) {
+      if (Object.prototype.hasOwnProperty.call(options, keys[i]) && keys[i] !== 'session') {
+        command[keys[i]] = (options as Document)[keys[i]];
+      }
+    }
+
+    super(admin.s.db, options);
+    this.options = options;
+    this.command = command;
+    this.collectionName = collectionName;
+  }
+
+  override execute(
+    server: Server,
+    session: ClientSession | undefined,
+    callback: Callback<Document>
+  ): void {
+    const collectionName = this.collectionName;
+
+    super.executeCommand(server, session, this.command, (err, doc) => {
+      if (err != null) return callback(err);
+
+      // TODO(NODE-3483): Replace these with MongoUnexpectedServerResponseError
+      if (doc.ok === 0) return callback(new MongoRuntimeError('Error with validate command'));
+      if (doc.result != null && typeof doc.result !== 'string')
+        return callback(new MongoRuntimeError('Error with validation data'));
+      if (doc.result != null && doc.result.match(/exception|corrupt/) != null)
+        return callback(new MongoRuntimeError(`Invalid collection ${collectionName}`));
+      if (doc.valid != null && !doc.valid)
+        return callback(new MongoRuntimeError(`Invalid collection ${collectionName}`));
+
+      return callback(undefined, doc);
+    });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/promise_provider.ts b/node_modules/mongoose/node_modules/mongodb/src/promise_provider.ts
new file mode 100644
index 000000000..a6aeb548e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/promise_provider.ts
@@ -0,0 +1,41 @@
+import { MongoInvalidArgumentError } from './error';
+
+/** @internal */
+const kPromise = Symbol('promise');
+
+interface PromiseStore {
+  [kPromise]?: PromiseConstructor;
+}
+
+const store: PromiseStore = {
+  [kPromise]: undefined
+};
+
+/**
+ * Global promise store allowing user-provided promises
+ * @public
+ */
+export class PromiseProvider {
+  /** Validates the passed in promise library */
+  static validate(lib: unknown): lib is PromiseConstructor {
+    if (typeof lib !== 'function')
+      throw new MongoInvalidArgumentError(`Promise must be a function, got ${lib}`);
+    return !!lib;
+  }
+
+  /** Sets the promise library */
+  static set(lib: PromiseConstructor): void {
+    if (!PromiseProvider.validate(lib)) {
+      // validate
+      return;
+    }
+    store[kPromise] = lib;
+  }
+
+  /** Get the stored promise library, or resolves passed in */
+  static get(): PromiseConstructor {
+    return store[kPromise] as PromiseConstructor;
+  }
+}
+
+PromiseProvider.set(global.Promise);
diff --git a/node_modules/mongoose/node_modules/mongodb/src/read_concern.ts b/node_modules/mongoose/node_modules/mongodb/src/read_concern.ts
new file mode 100644
index 000000000..09e39be56
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/read_concern.ts
@@ -0,0 +1,88 @@
+import type { Document } from './bson';
+
+/** @public */
+export const ReadConcernLevel = Object.freeze({
+  local: 'local',
+  majority: 'majority',
+  linearizable: 'linearizable',
+  available: 'available',
+  snapshot: 'snapshot'
+} as const);
+
+/** @public */
+export type ReadConcernLevel = typeof ReadConcernLevel[keyof typeof ReadConcernLevel];
+
+/** @public */
+export type ReadConcernLike = ReadConcern | { level: ReadConcernLevel } | ReadConcernLevel;
+
+/**
+ * The MongoDB ReadConcern, which allows for control of the consistency and isolation properties
+ * of the data read from replica sets and replica set shards.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/reference/read-concern/index.html
+ */
+export class ReadConcern {
+  level: ReadConcernLevel | string;
+
+  /** Constructs a ReadConcern from the read concern level.*/
+  constructor(level: ReadConcernLevel) {
+    /**
+     * A spec test exists that allows level to be any string.
+     * "invalid readConcern with out stage"
+     * @see ./test/spec/crud/v2/aggregate-out-readConcern.json
+     * @see https://github.com/mongodb/specifications/blob/master/source/read-write-concern/read-write-concern.rst#unknown-levels-and-additional-options-for-string-based-readconcerns
+     */
+    this.level = ReadConcernLevel[level] ?? level;
+  }
+
+  /**
+   * Construct a ReadConcern given an options object.
+   *
+   * @param options - The options object from which to extract the write concern.
+   */
+  static fromOptions(options?: {
+    readConcern?: ReadConcernLike;
+    level?: ReadConcernLevel;
+  }): ReadConcern | undefined {
+    if (options == null) {
+      return;
+    }
+
+    if (options.readConcern) {
+      const { readConcern } = options;
+      if (readConcern instanceof ReadConcern) {
+        return readConcern;
+      } else if (typeof readConcern === 'string') {
+        return new ReadConcern(readConcern);
+      } else if ('level' in readConcern && readConcern.level) {
+        return new ReadConcern(readConcern.level);
+      }
+    }
+
+    if (options.level) {
+      return new ReadConcern(options.level);
+    }
+    return;
+  }
+
+  static get MAJORITY(): 'majority' {
+    return ReadConcernLevel.majority;
+  }
+
+  static get AVAILABLE(): 'available' {
+    return ReadConcernLevel.available;
+  }
+
+  static get LINEARIZABLE(): 'linearizable' {
+    return ReadConcernLevel.linearizable;
+  }
+
+  static get SNAPSHOT(): 'snapshot' {
+    return ReadConcernLevel.snapshot;
+  }
+
+  toJSON(): Document {
+    return { level: this.level };
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/read_preference.ts b/node_modules/mongoose/node_modules/mongodb/src/read_preference.ts
new file mode 100644
index 000000000..b7210b8e6
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/read_preference.ts
@@ -0,0 +1,271 @@
+import type { Document } from './bson';
+import { MongoInvalidArgumentError } from './error';
+import type { TagSet } from './sdam/server_description';
+import type { ClientSession } from './sessions';
+
+/** @public */
+export type ReadPreferenceLike = ReadPreference | ReadPreferenceMode;
+
+/** @public */
+export const ReadPreferenceMode = Object.freeze({
+  primary: 'primary',
+  primaryPreferred: 'primaryPreferred',
+  secondary: 'secondary',
+  secondaryPreferred: 'secondaryPreferred',
+  nearest: 'nearest'
+} as const);
+
+/** @public */
+export type ReadPreferenceMode = typeof ReadPreferenceMode[keyof typeof ReadPreferenceMode];
+
+/** @public */
+export interface HedgeOptions {
+  /** Explicitly enable or disable hedged reads. */
+  enabled?: boolean;
+}
+
+/** @public */
+export interface ReadPreferenceOptions {
+  /** Max secondary read staleness in seconds, Minimum value is 90 seconds.*/
+  maxStalenessSeconds?: number;
+  /** Server mode in which the same query is dispatched in parallel to multiple replica set members. */
+  hedge?: HedgeOptions;
+}
+
+/** @public */
+export interface ReadPreferenceLikeOptions extends ReadPreferenceOptions {
+  readPreference?:
+    | ReadPreferenceLike
+    | {
+        mode?: ReadPreferenceMode;
+        preference?: ReadPreferenceMode;
+        tags?: TagSet[];
+        maxStalenessSeconds?: number;
+      };
+}
+
+/** @public */
+export interface ReadPreferenceFromOptions extends ReadPreferenceLikeOptions {
+  session?: ClientSession;
+  readPreferenceTags?: TagSet[];
+  hedge?: HedgeOptions;
+}
+
+/**
+ * The **ReadPreference** class is a class that represents a MongoDB ReadPreference and is
+ * used to construct connections.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/core/read-preference/
+ */
+export class ReadPreference {
+  mode: ReadPreferenceMode;
+  tags?: TagSet[];
+  hedge?: HedgeOptions;
+  maxStalenessSeconds?: number;
+  minWireVersion?: number;
+
+  public static PRIMARY = ReadPreferenceMode.primary;
+  public static PRIMARY_PREFERRED = ReadPreferenceMode.primaryPreferred;
+  public static SECONDARY = ReadPreferenceMode.secondary;
+  public static SECONDARY_PREFERRED = ReadPreferenceMode.secondaryPreferred;
+  public static NEAREST = ReadPreferenceMode.nearest;
+
+  public static primary = new ReadPreference(ReadPreferenceMode.primary);
+  public static primaryPreferred = new ReadPreference(ReadPreferenceMode.primaryPreferred);
+  public static secondary = new ReadPreference(ReadPreferenceMode.secondary);
+  public static secondaryPreferred = new ReadPreference(ReadPreferenceMode.secondaryPreferred);
+  public static nearest = new ReadPreference(ReadPreferenceMode.nearest);
+
+  /**
+   * @param mode - A string describing the read preference mode (primary|primaryPreferred|secondary|secondaryPreferred|nearest)
+   * @param tags - A tag set used to target reads to members with the specified tag(s). tagSet is not available if using read preference mode primary.
+   * @param options - Additional read preference options
+   */
+  constructor(mode: ReadPreferenceMode, tags?: TagSet[], options?: ReadPreferenceOptions) {
+    if (!ReadPreference.isValid(mode)) {
+      throw new MongoInvalidArgumentError(`Invalid read preference mode ${JSON.stringify(mode)}`);
+    }
+    if (options == null && typeof tags === 'object' && !Array.isArray(tags)) {
+      options = tags;
+      tags = undefined;
+    } else if (tags && !Array.isArray(tags)) {
+      throw new MongoInvalidArgumentError('ReadPreference tags must be an array');
+    }
+
+    this.mode = mode;
+    this.tags = tags;
+    this.hedge = options?.hedge;
+    this.maxStalenessSeconds = undefined;
+    this.minWireVersion = undefined;
+
+    options = options ?? {};
+    if (options.maxStalenessSeconds != null) {
+      if (options.maxStalenessSeconds <= 0) {
+        throw new MongoInvalidArgumentError('maxStalenessSeconds must be a positive integer');
+      }
+
+      this.maxStalenessSeconds = options.maxStalenessSeconds;
+
+      // NOTE: The minimum required wire version is 5 for this read preference. If the existing
+      //       topology has a lower value then a MongoError will be thrown during server selection.
+      this.minWireVersion = 5;
+    }
+
+    if (this.mode === ReadPreference.PRIMARY) {
+      if (this.tags && Array.isArray(this.tags) && this.tags.length > 0) {
+        throw new MongoInvalidArgumentError('Primary read preference cannot be combined with tags');
+      }
+
+      if (this.maxStalenessSeconds) {
+        throw new MongoInvalidArgumentError(
+          'Primary read preference cannot be combined with maxStalenessSeconds'
+        );
+      }
+
+      if (this.hedge) {
+        throw new MongoInvalidArgumentError(
+          'Primary read preference cannot be combined with hedge'
+        );
+      }
+    }
+  }
+
+  // Support the deprecated `preference` property introduced in the porcelain layer
+  get preference(): ReadPreferenceMode {
+    return this.mode;
+  }
+
+  static fromString(mode: string): ReadPreference {
+    return new ReadPreference(mode as ReadPreferenceMode);
+  }
+
+  /**
+   * Construct a ReadPreference given an options object.
+   *
+   * @param options - The options object from which to extract the read preference.
+   */
+  static fromOptions(options?: ReadPreferenceFromOptions): ReadPreference | undefined {
+    if (!options) return;
+    const readPreference =
+      options.readPreference ?? options.session?.transaction.options.readPreference;
+    const readPreferenceTags = options.readPreferenceTags;
+
+    if (readPreference == null) {
+      return;
+    }
+
+    if (typeof readPreference === 'string') {
+      return new ReadPreference(readPreference, readPreferenceTags, {
+        maxStalenessSeconds: options.maxStalenessSeconds,
+        hedge: options.hedge
+      });
+    } else if (!(readPreference instanceof ReadPreference) && typeof readPreference === 'object') {
+      const mode = readPreference.mode || readPreference.preference;
+      if (mode && typeof mode === 'string') {
+        return new ReadPreference(mode, readPreference.tags ?? readPreferenceTags, {
+          maxStalenessSeconds: readPreference.maxStalenessSeconds,
+          hedge: options.hedge
+        });
+      }
+    }
+
+    if (readPreferenceTags) {
+      readPreference.tags = readPreferenceTags;
+    }
+
+    return readPreference as ReadPreference;
+  }
+
+  /**
+   * Replaces options.readPreference with a ReadPreference instance
+   */
+  static translate(options: ReadPreferenceLikeOptions): ReadPreferenceLikeOptions {
+    if (options.readPreference == null) return options;
+    const r = options.readPreference;
+
+    if (typeof r === 'string') {
+      options.readPreference = new ReadPreference(r);
+    } else if (r && !(r instanceof ReadPreference) && typeof r === 'object') {
+      const mode = r.mode || r.preference;
+      if (mode && typeof mode === 'string') {
+        options.readPreference = new ReadPreference(mode, r.tags, {
+          maxStalenessSeconds: r.maxStalenessSeconds
+        });
+      }
+    } else if (!(r instanceof ReadPreference)) {
+      throw new MongoInvalidArgumentError(`Invalid read preference: ${r}`);
+    }
+
+    return options;
+  }
+
+  /**
+   * Validate if a mode is legal
+   *
+   * @param mode - The string representing the read preference mode.
+   */
+  static isValid(mode: string): boolean {
+    const VALID_MODES = new Set([
+      ReadPreference.PRIMARY,
+      ReadPreference.PRIMARY_PREFERRED,
+      ReadPreference.SECONDARY,
+      ReadPreference.SECONDARY_PREFERRED,
+      ReadPreference.NEAREST,
+      null
+    ]);
+
+    return VALID_MODES.has(mode as ReadPreferenceMode);
+  }
+
+  /**
+   * Validate if a mode is legal
+   *
+   * @param mode - The string representing the read preference mode.
+   */
+  isValid(mode?: string): boolean {
+    return ReadPreference.isValid(typeof mode === 'string' ? mode : this.mode);
+  }
+
+  /**
+   * Indicates that this readPreference needs the "secondaryOk" bit when sent over the wire
+   * @deprecated Use secondaryOk instead
+   * @see https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query
+   */
+  slaveOk(): boolean {
+    return this.secondaryOk();
+  }
+
+  /**
+   * Indicates that this readPreference needs the "SecondaryOk" bit when sent over the wire
+   * @see https://docs.mongodb.com/manual/reference/mongodb-wire-protocol/#op-query
+   */
+  secondaryOk(): boolean {
+    const NEEDS_SECONDARYOK = new Set<string>([
+      ReadPreference.PRIMARY_PREFERRED,
+      ReadPreference.SECONDARY,
+      ReadPreference.SECONDARY_PREFERRED,
+      ReadPreference.NEAREST
+    ]);
+
+    return NEEDS_SECONDARYOK.has(this.mode);
+  }
+
+  /**
+   * Check if the two ReadPreferences are equivalent
+   *
+   * @param readPreference - The read preference with which to check equality
+   */
+  equals(readPreference: ReadPreference): boolean {
+    return readPreference.mode === this.mode;
+  }
+
+  /** Return JSON representation */
+  toJSON(): Document {
+    const readPreference = { mode: this.mode } as Document;
+    if (Array.isArray(this.tags)) readPreference.tags = this.tags;
+    if (this.maxStalenessSeconds) readPreference.maxStalenessSeconds = this.maxStalenessSeconds;
+    if (this.hedge) readPreference.hedge = this.hedge;
+    return readPreference;
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/sdam/common.ts b/node_modules/mongoose/node_modules/mongodb/src/sdam/common.ts
new file mode 100644
index 000000000..a2ffd8949
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/sdam/common.ts
@@ -0,0 +1,79 @@
+import { clearTimeout } from 'timers';
+
+import type { Binary, Long, Timestamp } from '../bson';
+import type { ClientSession } from '../sessions';
+import type { Topology } from './topology';
+
+// shared state names
+export const STATE_CLOSING = 'closing';
+export const STATE_CLOSED = 'closed';
+export const STATE_CONNECTING = 'connecting';
+export const STATE_CONNECTED = 'connected';
+
+/**
+ * An enumeration of topology types we know about
+ * @public
+ */
+export const TopologyType = Object.freeze({
+  Single: 'Single',
+  ReplicaSetNoPrimary: 'ReplicaSetNoPrimary',
+  ReplicaSetWithPrimary: 'ReplicaSetWithPrimary',
+  Sharded: 'Sharded',
+  Unknown: 'Unknown',
+  LoadBalanced: 'LoadBalanced'
+} as const);
+
+/** @public */
+export type TopologyType = typeof TopologyType[keyof typeof TopologyType];
+
+/**
+ * An enumeration of server types we know about
+ * @public
+ */
+export const ServerType = Object.freeze({
+  Standalone: 'Standalone',
+  Mongos: 'Mongos',
+  PossiblePrimary: 'PossiblePrimary',
+  RSPrimary: 'RSPrimary',
+  RSSecondary: 'RSSecondary',
+  RSArbiter: 'RSArbiter',
+  RSOther: 'RSOther',
+  RSGhost: 'RSGhost',
+  Unknown: 'Unknown',
+  LoadBalancer: 'LoadBalancer'
+} as const);
+
+/** @public */
+export type ServerType = typeof ServerType[keyof typeof ServerType];
+
+/** @internal */
+export type TimerQueue = Set<NodeJS.Timeout>;
+
+/** @internal */
+export function drainTimerQueue(queue: TimerQueue): void {
+  queue.forEach(clearTimeout);
+  queue.clear();
+}
+
+/** @public */
+export interface ClusterTime {
+  clusterTime: Timestamp;
+  signature: {
+    hash: Binary;
+    keyId: Long;
+  };
+}
+
+/** Shared function to determine clusterTime for a given topology or session */
+export function _advanceClusterTime(
+  entity: Topology | ClientSession,
+  $clusterTime: ClusterTime
+): void {
+  if (entity.clusterTime == null) {
+    entity.clusterTime = $clusterTime;
+  } else {
+    if ($clusterTime.clusterTime.greaterThan(entity.clusterTime.clusterTime)) {
+      entity.clusterTime = $clusterTime;
+    }
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/sdam/events.ts b/node_modules/mongoose/node_modules/mongodb/src/sdam/events.ts
new file mode 100644
index 000000000..c55eb0957
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/sdam/events.ts
@@ -0,0 +1,182 @@
+import type { Document } from '../bson';
+import type { ServerDescription } from './server_description';
+import type { TopologyDescription } from './topology_description';
+
+/**
+ * Emitted when server description changes, but does NOT include changes to the RTT.
+ * @public
+ * @category Event
+ */
+export class ServerDescriptionChangedEvent {
+  /** A unique identifier for the topology */
+  topologyId: number;
+  /** The address (host/port pair) of the server */
+  address: string;
+  /** The previous server description */
+  previousDescription: ServerDescription;
+  /** The new server description */
+  newDescription: ServerDescription;
+
+  /** @internal */
+  constructor(
+    topologyId: number,
+    address: string,
+    previousDescription: ServerDescription,
+    newDescription: ServerDescription
+  ) {
+    this.topologyId = topologyId;
+    this.address = address;
+    this.previousDescription = previousDescription;
+    this.newDescription = newDescription;
+  }
+}
+
+/**
+ * Emitted when server is initialized.
+ * @public
+ * @category Event
+ */
+export class ServerOpeningEvent {
+  /** A unique identifier for the topology */
+  topologyId: number;
+  /** The address (host/port pair) of the server */
+  address: string;
+
+  /** @internal */
+  constructor(topologyId: number, address: string) {
+    this.topologyId = topologyId;
+    this.address = address;
+  }
+}
+
+/**
+ * Emitted when server is closed.
+ * @public
+ * @category Event
+ */
+export class ServerClosedEvent {
+  /** A unique identifier for the topology */
+  topologyId: number;
+  /** The address (host/port pair) of the server */
+  address: string;
+
+  /** @internal */
+  constructor(topologyId: number, address: string) {
+    this.topologyId = topologyId;
+    this.address = address;
+  }
+}
+
+/**
+ * Emitted when topology description changes.
+ * @public
+ * @category Event
+ */
+export class TopologyDescriptionChangedEvent {
+  /** A unique identifier for the topology */
+  topologyId: number;
+  /** The old topology description */
+  previousDescription: TopologyDescription;
+  /** The new topology description */
+  newDescription: TopologyDescription;
+
+  /** @internal */
+  constructor(
+    topologyId: number,
+    previousDescription: TopologyDescription,
+    newDescription: TopologyDescription
+  ) {
+    this.topologyId = topologyId;
+    this.previousDescription = previousDescription;
+    this.newDescription = newDescription;
+  }
+}
+
+/**
+ * Emitted when topology is initialized.
+ * @public
+ * @category Event
+ */
+export class TopologyOpeningEvent {
+  /** A unique identifier for the topology */
+  topologyId: number;
+
+  /** @internal */
+  constructor(topologyId: number) {
+    this.topologyId = topologyId;
+  }
+}
+
+/**
+ * Emitted when topology is closed.
+ * @public
+ * @category Event
+ */
+export class TopologyClosedEvent {
+  /** A unique identifier for the topology */
+  topologyId: number;
+
+  /** @internal */
+  constructor(topologyId: number) {
+    this.topologyId = topologyId;
+  }
+}
+
+/**
+ * Emitted when the server monitor’s hello command is started - immediately before
+ * the hello command is serialized into raw BSON and written to the socket.
+ *
+ * @public
+ * @category Event
+ */
+export class ServerHeartbeatStartedEvent {
+  /** The connection id for the command */
+  connectionId: string;
+
+  /** @internal */
+  constructor(connectionId: string) {
+    this.connectionId = connectionId;
+  }
+}
+
+/**
+ * Emitted when the server monitor’s hello succeeds.
+ * @public
+ * @category Event
+ */
+export class ServerHeartbeatSucceededEvent {
+  /** The connection id for the command */
+  connectionId: string;
+  /** The execution time of the event in ms */
+  duration: number;
+  /** The command reply */
+  reply: Document;
+
+  /** @internal */
+  constructor(connectionId: string, duration: number, reply: Document | null) {
+    this.connectionId = connectionId;
+    this.duration = duration;
+    this.reply = reply ?? {};
+  }
+}
+
+/**
+ * Emitted when the server monitor’s hello fails, either with an “ok: 0” or a socket exception.
+ * @public
+ * @category Event
+ */
+export class ServerHeartbeatFailedEvent {
+  /** The connection id for the command */
+  connectionId: string;
+  /** The execution time of the event in ms */
+  duration: number;
+  /** The command failure */
+  failure: Error;
+
+  /** @internal */
+  constructor(connectionId: string, duration: number, failure: Error) {
+    this.connectionId = connectionId;
+    this.duration = duration;
+    this.failure = failure;
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/sdam/monitor.ts b/node_modules/mongoose/node_modules/mongodb/src/sdam/monitor.ts
new file mode 100644
index 000000000..b54cc20df
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/sdam/monitor.ts
@@ -0,0 +1,472 @@
+import { clearTimeout, setTimeout } from 'timers';
+
+import { Document, Long } from '../bson';
+import { connect } from '../cmap/connect';
+import { Connection, ConnectionOptions } from '../cmap/connection';
+import { LEGACY_HELLO_COMMAND } from '../constants';
+import { MongoNetworkError } from '../error';
+import { CancellationToken, TypedEventEmitter } from '../mongo_types';
+import type { Callback, InterruptibleAsyncInterval } from '../utils';
+import {
+  calculateDurationInMs,
+  EventEmitterWithState,
+  makeInterruptibleAsyncInterval,
+  makeStateMachine,
+  now,
+  ns
+} from '../utils';
+import { ServerType, STATE_CLOSED, STATE_CLOSING } from './common';
+import {
+  ServerHeartbeatFailedEvent,
+  ServerHeartbeatStartedEvent,
+  ServerHeartbeatSucceededEvent
+} from './events';
+import { Server } from './server';
+import type { TopologyVersion } from './server_description';
+
+/** @internal */
+const kServer = Symbol('server');
+/** @internal */
+const kMonitorId = Symbol('monitorId');
+/** @internal */
+const kConnection = Symbol('connection');
+/** @internal */
+const kCancellationToken = Symbol('cancellationToken');
+/** @internal */
+const kRTTPinger = Symbol('rttPinger');
+/** @internal */
+const kRoundTripTime = Symbol('roundTripTime');
+
+const STATE_IDLE = 'idle';
+const STATE_MONITORING = 'monitoring';
+const stateTransition = makeStateMachine({
+  [STATE_CLOSING]: [STATE_CLOSING, STATE_IDLE, STATE_CLOSED],
+  [STATE_CLOSED]: [STATE_CLOSED, STATE_MONITORING],
+  [STATE_IDLE]: [STATE_IDLE, STATE_MONITORING, STATE_CLOSING],
+  [STATE_MONITORING]: [STATE_MONITORING, STATE_IDLE, STATE_CLOSING]
+});
+
+const INVALID_REQUEST_CHECK_STATES = new Set([STATE_CLOSING, STATE_CLOSED, STATE_MONITORING]);
+function isInCloseState(monitor: Monitor) {
+  return monitor.s.state === STATE_CLOSED || monitor.s.state === STATE_CLOSING;
+}
+
+/** @internal */
+export interface MonitorPrivate {
+  state: string;
+}
+
+/** @public */
+export interface MonitorOptions
+  extends Omit<ConnectionOptions, 'id' | 'generation' | 'hostAddress'> {
+  connectTimeoutMS: number;
+  heartbeatFrequencyMS: number;
+  minHeartbeatFrequencyMS: number;
+}
+
+/** @public */
+export type MonitorEvents = {
+  serverHeartbeatStarted(event: ServerHeartbeatStartedEvent): void;
+  serverHeartbeatSucceeded(event: ServerHeartbeatSucceededEvent): void;
+  serverHeartbeatFailed(event: ServerHeartbeatFailedEvent): void;
+  resetServer(error?: Error): void;
+  resetConnectionPool(): void;
+  close(): void;
+} & EventEmitterWithState;
+
+/** @internal */
+export class Monitor extends TypedEventEmitter<MonitorEvents> {
+  /** @internal */
+  s: MonitorPrivate;
+  address: string;
+  options: Readonly<
+    Pick<MonitorOptions, 'connectTimeoutMS' | 'heartbeatFrequencyMS' | 'minHeartbeatFrequencyMS'>
+  >;
+  connectOptions: ConnectionOptions;
+  [kServer]: Server;
+  [kConnection]?: Connection;
+  [kCancellationToken]: CancellationToken;
+  /** @internal */
+  [kMonitorId]?: InterruptibleAsyncInterval;
+  [kRTTPinger]?: RTTPinger;
+
+  get connection(): Connection | undefined {
+    return this[kConnection];
+  }
+
+  constructor(server: Server, options: MonitorOptions) {
+    super();
+
+    this[kServer] = server;
+    this[kConnection] = undefined;
+    this[kCancellationToken] = new CancellationToken();
+    this[kCancellationToken].setMaxListeners(Infinity);
+    this[kMonitorId] = undefined;
+    this.s = {
+      state: STATE_CLOSED
+    };
+
+    this.address = server.description.address;
+    this.options = Object.freeze({
+      connectTimeoutMS: options.connectTimeoutMS ?? 10000,
+      heartbeatFrequencyMS: options.heartbeatFrequencyMS ?? 10000,
+      minHeartbeatFrequencyMS: options.minHeartbeatFrequencyMS ?? 500
+    });
+
+    const cancellationToken = this[kCancellationToken];
+    // TODO: refactor this to pull it directly from the pool, requires new ConnectionPool integration
+    const connectOptions = Object.assign(
+      {
+        id: '<monitor>' as const,
+        generation: server.s.pool.generation,
+        connectionType: Connection,
+        cancellationToken,
+        hostAddress: server.description.hostAddress
+      },
+      options,
+      // force BSON serialization options
+      {
+        raw: false,
+        promoteLongs: true,
+        promoteValues: true,
+        promoteBuffers: true
+      }
+    );
+
+    // ensure no authentication is used for monitoring
+    delete connectOptions.credentials;
+    if (connectOptions.autoEncrypter) {
+      delete connectOptions.autoEncrypter;
+    }
+
+    this.connectOptions = Object.freeze(connectOptions);
+  }
+
+  connect(): void {
+    if (this.s.state !== STATE_CLOSED) {
+      return;
+    }
+
+    // start
+    const heartbeatFrequencyMS = this.options.heartbeatFrequencyMS;
+    const minHeartbeatFrequencyMS = this.options.minHeartbeatFrequencyMS;
+    this[kMonitorId] = makeInterruptibleAsyncInterval(monitorServer(this), {
+      interval: heartbeatFrequencyMS,
+      minInterval: minHeartbeatFrequencyMS,
+      immediate: true
+    });
+  }
+
+  requestCheck(): void {
+    if (INVALID_REQUEST_CHECK_STATES.has(this.s.state)) {
+      return;
+    }
+
+    this[kMonitorId]?.wake();
+  }
+
+  reset(): void {
+    const topologyVersion = this[kServer].description.topologyVersion;
+    if (isInCloseState(this) || topologyVersion == null) {
+      return;
+    }
+
+    stateTransition(this, STATE_CLOSING);
+    resetMonitorState(this);
+
+    // restart monitor
+    stateTransition(this, STATE_IDLE);
+
+    // restart monitoring
+    const heartbeatFrequencyMS = this.options.heartbeatFrequencyMS;
+    const minHeartbeatFrequencyMS = this.options.minHeartbeatFrequencyMS;
+    this[kMonitorId] = makeInterruptibleAsyncInterval(monitorServer(this), {
+      interval: heartbeatFrequencyMS,
+      minInterval: minHeartbeatFrequencyMS
+    });
+  }
+
+  close(): void {
+    if (isInCloseState(this)) {
+      return;
+    }
+
+    stateTransition(this, STATE_CLOSING);
+    resetMonitorState(this);
+
+    // close monitor
+    this.emit('close');
+    stateTransition(this, STATE_CLOSED);
+  }
+}
+
+function resetMonitorState(monitor: Monitor) {
+  monitor[kMonitorId]?.stop();
+  monitor[kMonitorId] = undefined;
+
+  monitor[kRTTPinger]?.close();
+  monitor[kRTTPinger] = undefined;
+
+  monitor[kCancellationToken].emit('cancel');
+
+  monitor[kConnection]?.destroy({ force: true });
+  monitor[kConnection] = undefined;
+}
+
+function checkServer(monitor: Monitor, callback: Callback<Document | null>) {
+  let start = now();
+  monitor.emit(Server.SERVER_HEARTBEAT_STARTED, new ServerHeartbeatStartedEvent(monitor.address));
+
+  function failureHandler(err: Error) {
+    monitor[kConnection]?.destroy({ force: true });
+    monitor[kConnection] = undefined;
+
+    monitor.emit(
+      Server.SERVER_HEARTBEAT_FAILED,
+      new ServerHeartbeatFailedEvent(monitor.address, calculateDurationInMs(start), err)
+    );
+
+    monitor.emit('resetServer', err);
+    monitor.emit('resetConnectionPool');
+    callback(err);
+  }
+
+  const connection = monitor[kConnection];
+  if (connection && !connection.closed) {
+    const { serverApi, helloOk } = connection;
+    const connectTimeoutMS = monitor.options.connectTimeoutMS;
+    const maxAwaitTimeMS = monitor.options.heartbeatFrequencyMS;
+    const topologyVersion = monitor[kServer].description.topologyVersion;
+    const isAwaitable = topologyVersion != null;
+
+    const cmd = {
+      [serverApi?.version || helloOk ? 'hello' : LEGACY_HELLO_COMMAND]: true,
+      ...(isAwaitable && topologyVersion
+        ? { maxAwaitTimeMS, topologyVersion: makeTopologyVersion(topologyVersion) }
+        : {})
+    };
+
+    const options = isAwaitable
+      ? {
+          socketTimeoutMS: connectTimeoutMS ? connectTimeoutMS + maxAwaitTimeMS : 0,
+          exhaustAllowed: true
+        }
+      : { socketTimeoutMS: connectTimeoutMS };
+
+    if (isAwaitable && monitor[kRTTPinger] == null) {
+      monitor[kRTTPinger] = new RTTPinger(
+        monitor[kCancellationToken],
+        Object.assign(
+          { heartbeatFrequencyMS: monitor.options.heartbeatFrequencyMS },
+          monitor.connectOptions
+        )
+      );
+    }
+
+    connection.command(ns('admin.$cmd'), cmd, options, (err, hello) => {
+      if (err) {
+        return failureHandler(err);
+      }
+
+      if (!('isWritablePrimary' in hello)) {
+        // Provide hello-style response document.
+        hello.isWritablePrimary = hello[LEGACY_HELLO_COMMAND];
+      }
+
+      const rttPinger = monitor[kRTTPinger];
+      const duration =
+        isAwaitable && rttPinger ? rttPinger.roundTripTime : calculateDurationInMs(start);
+
+      monitor.emit(
+        Server.SERVER_HEARTBEAT_SUCCEEDED,
+        new ServerHeartbeatSucceededEvent(monitor.address, duration, hello)
+      );
+
+      // if we are using the streaming protocol then we immediately issue another `started`
+      // event, otherwise the "check" is complete and return to the main monitor loop
+      if (isAwaitable && hello.topologyVersion) {
+        monitor.emit(
+          Server.SERVER_HEARTBEAT_STARTED,
+          new ServerHeartbeatStartedEvent(monitor.address)
+        );
+        start = now();
+      } else {
+        monitor[kRTTPinger]?.close();
+        monitor[kRTTPinger] = undefined;
+
+        callback(undefined, hello);
+      }
+    });
+
+    return;
+  }
+
+  // connecting does an implicit `hello`
+  connect(monitor.connectOptions, (err, conn) => {
+    if (err) {
+      monitor[kConnection] = undefined;
+
+      // we already reset the connection pool on network errors in all cases
+      if (!(err instanceof MongoNetworkError)) {
+        monitor.emit('resetConnectionPool');
+      }
+
+      failureHandler(err);
+      return;
+    }
+
+    if (conn) {
+      // Tell the connection that we are using the streaming protocol so that the
+      // connection's message stream will only read the last hello on the buffer.
+      conn.isMonitoringConnection = true;
+
+      if (isInCloseState(monitor)) {
+        conn.destroy({ force: true });
+        return;
+      }
+
+      monitor[kConnection] = conn;
+      monitor.emit(
+        Server.SERVER_HEARTBEAT_SUCCEEDED,
+        new ServerHeartbeatSucceededEvent(monitor.address, calculateDurationInMs(start), conn.hello)
+      );
+
+      callback(undefined, conn.hello);
+    }
+  });
+}
+
+function monitorServer(monitor: Monitor) {
+  return (callback: Callback) => {
+    stateTransition(monitor, STATE_MONITORING);
+    function done() {
+      if (!isInCloseState(monitor)) {
+        stateTransition(monitor, STATE_IDLE);
+      }
+
+      callback();
+    }
+
+    checkServer(monitor, (err, hello) => {
+      if (err) {
+        // otherwise an error occurred on initial discovery, also bail
+        if (monitor[kServer].description.type === ServerType.Unknown) {
+          monitor.emit('resetServer', err);
+          return done();
+        }
+      }
+
+      // if the check indicates streaming is supported, immediately reschedule monitoring
+      if (hello && hello.topologyVersion) {
+        setTimeout(() => {
+          if (!isInCloseState(monitor)) {
+            monitor[kMonitorId]?.wake();
+          }
+        }, 0);
+      }
+
+      done();
+    });
+  };
+}
+
+function makeTopologyVersion(tv: TopologyVersion) {
+  return {
+    processId: tv.processId,
+    // tests mock counter as just number, but in a real situation counter should always be a Long
+    // TODO(NODE-2674): Preserve int64 sent from MongoDB
+    counter: Long.isLong(tv.counter) ? tv.counter : Long.fromNumber(tv.counter)
+  };
+}
+
+/** @internal */
+export interface RTTPingerOptions extends ConnectionOptions {
+  heartbeatFrequencyMS: number;
+}
+
+/** @internal */
+export class RTTPinger {
+  /** @internal */
+  [kConnection]?: Connection;
+  /** @internal */
+  [kCancellationToken]: CancellationToken;
+  /** @internal */
+  [kRoundTripTime]: number;
+  /** @internal */
+  [kMonitorId]: NodeJS.Timeout;
+  closed: boolean;
+
+  constructor(cancellationToken: CancellationToken, options: RTTPingerOptions) {
+    this[kConnection] = undefined;
+    this[kCancellationToken] = cancellationToken;
+    this[kRoundTripTime] = 0;
+    this.closed = false;
+
+    const heartbeatFrequencyMS = options.heartbeatFrequencyMS;
+    this[kMonitorId] = setTimeout(() => measureRoundTripTime(this, options), heartbeatFrequencyMS);
+  }
+
+  get roundTripTime(): number {
+    return this[kRoundTripTime];
+  }
+
+  close(): void {
+    this.closed = true;
+    clearTimeout(this[kMonitorId]);
+
+    this[kConnection]?.destroy({ force: true });
+    this[kConnection] = undefined;
+  }
+}
+
+function measureRoundTripTime(rttPinger: RTTPinger, options: RTTPingerOptions) {
+  const start = now();
+  options.cancellationToken = rttPinger[kCancellationToken];
+  const heartbeatFrequencyMS = options.heartbeatFrequencyMS;
+
+  if (rttPinger.closed) {
+    return;
+  }
+
+  function measureAndReschedule(conn?: Connection) {
+    if (rttPinger.closed) {
+      conn?.destroy({ force: true });
+      return;
+    }
+
+    if (rttPinger[kConnection] == null) {
+      rttPinger[kConnection] = conn;
+    }
+
+    rttPinger[kRoundTripTime] = calculateDurationInMs(start);
+    rttPinger[kMonitorId] = setTimeout(
+      () => measureRoundTripTime(rttPinger, options),
+      heartbeatFrequencyMS
+    );
+  }
+
+  const connection = rttPinger[kConnection];
+  if (connection == null) {
+    connect(options, (err, conn) => {
+      if (err) {
+        rttPinger[kConnection] = undefined;
+        rttPinger[kRoundTripTime] = 0;
+        return;
+      }
+
+      measureAndReschedule(conn);
+    });
+
+    return;
+  }
+
+  connection.command(ns('admin.$cmd'), { [LEGACY_HELLO_COMMAND]: 1 }, undefined, err => {
+    if (err) {
+      rttPinger[kConnection] = undefined;
+      rttPinger[kRoundTripTime] = 0;
+      return;
+    }
+
+    measureAndReschedule();
+  });
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/sdam/server.ts b/node_modules/mongoose/node_modules/mongodb/src/sdam/server.ts
new file mode 100644
index 000000000..ac18d4675
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/sdam/server.ts
@@ -0,0 +1,535 @@
+import type { Document } from '../bson';
+import { CommandOptions, Connection, DestroyOptions, GetMoreOptions } from '../cmap/connection';
+import {
+  ConnectionPool,
+  ConnectionPoolEvents,
+  ConnectionPoolOptions
+} from '../cmap/connection_pool';
+import {
+  APM_EVENTS,
+  CLOSED,
+  CMAP_EVENTS,
+  CONNECT,
+  DESCRIPTION_RECEIVED,
+  ENDED,
+  HEARTBEAT_EVENTS,
+  SERVER_HEARTBEAT_FAILED,
+  SERVER_HEARTBEAT_STARTED,
+  SERVER_HEARTBEAT_SUCCEEDED
+} from '../constants';
+import type { AutoEncrypter } from '../deps';
+import {
+  isNetworkErrorBeforeHandshake,
+  isNodeShuttingDownError,
+  isSDAMUnrecoverableError,
+  MongoCompatibilityError,
+  MongoError,
+  MongoErrorLabel,
+  MongoInvalidArgumentError,
+  MongoNetworkError,
+  MongoNetworkTimeoutError,
+  MongoServerClosedError,
+  MongoServerError,
+  MongoUnexpectedServerResponseError,
+  needsRetryableWriteLabel
+} from '../error';
+import { Logger } from '../logger';
+import type { ServerApi } from '../mongo_client';
+import { TypedEventEmitter } from '../mongo_types';
+import type { ClientSession } from '../sessions';
+import { isTransactionCommand } from '../transactions';
+import {
+  Callback,
+  collationNotSupported,
+  EventEmitterWithState,
+  makeStateMachine,
+  maxWireVersion,
+  MongoDBNamespace,
+  supportsRetryableWrites
+} from '../utils';
+import {
+  ClusterTime,
+  STATE_CLOSED,
+  STATE_CLOSING,
+  STATE_CONNECTED,
+  STATE_CONNECTING,
+  TopologyType
+} from './common';
+import type {
+  ServerHeartbeatFailedEvent,
+  ServerHeartbeatStartedEvent,
+  ServerHeartbeatSucceededEvent
+} from './events';
+import { Monitor, MonitorOptions } from './monitor';
+import { compareTopologyVersion, ServerDescription } from './server_description';
+import type { Topology } from './topology';
+
+const stateTransition = makeStateMachine({
+  [STATE_CLOSED]: [STATE_CLOSED, STATE_CONNECTING],
+  [STATE_CONNECTING]: [STATE_CONNECTING, STATE_CLOSING, STATE_CONNECTED, STATE_CLOSED],
+  [STATE_CONNECTED]: [STATE_CONNECTED, STATE_CLOSING, STATE_CLOSED],
+  [STATE_CLOSING]: [STATE_CLOSING, STATE_CLOSED]
+});
+
+/** @internal */
+const kMonitor = Symbol('monitor');
+
+/** @public */
+export type ServerOptions = Omit<ConnectionPoolOptions, 'id' | 'generation' | 'hostAddress'> &
+  MonitorOptions;
+
+/** @internal */
+export interface ServerPrivate {
+  /** The server description for this server */
+  description: ServerDescription;
+  /** A copy of the options used to construct this instance */
+  options: ServerOptions;
+  /** A logger instance */
+  logger: Logger;
+  /** The current state of the Server */
+  state: string;
+  /** The topology this server is a part of */
+  topology: Topology;
+  /** A connection pool for this server */
+  pool: ConnectionPool;
+  /** MongoDB server API version */
+  serverApi?: ServerApi;
+  /** A count of the operations currently running against the server. */
+  operationCount: number;
+}
+
+/** @public */
+export type ServerEvents = {
+  serverHeartbeatStarted(event: ServerHeartbeatStartedEvent): void;
+  serverHeartbeatSucceeded(event: ServerHeartbeatSucceededEvent): void;
+  serverHeartbeatFailed(event: ServerHeartbeatFailedEvent): void;
+  /** Top level MongoClient doesn't emit this so it is marked: @internal */
+  connect(server: Server): void;
+  descriptionReceived(description: ServerDescription): void;
+  closed(): void;
+  ended(): void;
+} & ConnectionPoolEvents &
+  EventEmitterWithState;
+
+/** @internal */
+export class Server extends TypedEventEmitter<ServerEvents> {
+  /** @internal */
+  s: ServerPrivate;
+  serverApi?: ServerApi;
+  hello?: Document;
+  [kMonitor]: Monitor | null;
+
+  /** @event */
+  static readonly SERVER_HEARTBEAT_STARTED = SERVER_HEARTBEAT_STARTED;
+  /** @event */
+  static readonly SERVER_HEARTBEAT_SUCCEEDED = SERVER_HEARTBEAT_SUCCEEDED;
+  /** @event */
+  static readonly SERVER_HEARTBEAT_FAILED = SERVER_HEARTBEAT_FAILED;
+  /** @event */
+  static readonly CONNECT = CONNECT;
+  /** @event */
+  static readonly DESCRIPTION_RECEIVED = DESCRIPTION_RECEIVED;
+  /** @event */
+  static readonly CLOSED = CLOSED;
+  /** @event */
+  static readonly ENDED = ENDED;
+
+  /**
+   * Create a server
+   */
+  constructor(topology: Topology, description: ServerDescription, options: ServerOptions) {
+    super();
+
+    this.serverApi = options.serverApi;
+
+    const poolOptions = { hostAddress: description.hostAddress, ...options };
+
+    this.s = {
+      description,
+      options,
+      logger: new Logger('Server'),
+      state: STATE_CLOSED,
+      topology,
+      pool: new ConnectionPool(poolOptions),
+      operationCount: 0
+    };
+
+    for (const event of [...CMAP_EVENTS, ...APM_EVENTS]) {
+      this.s.pool.on(event, (e: any) => this.emit(event, e));
+    }
+
+    this.s.pool.on(Connection.CLUSTER_TIME_RECEIVED, (clusterTime: ClusterTime) => {
+      this.clusterTime = clusterTime;
+    });
+
+    if (this.loadBalanced) {
+      this[kMonitor] = null;
+      // monitoring is disabled in load balancing mode
+      return;
+    }
+
+    // create the monitor
+    // TODO(NODE-4144): Remove new variable for type narrowing
+    const monitor = new Monitor(this, this.s.options);
+    this[kMonitor] = monitor;
+
+    for (const event of HEARTBEAT_EVENTS) {
+      monitor.on(event, (e: any) => this.emit(event, e));
+    }
+
+    monitor.on('resetConnectionPool', () => {
+      this.s.pool.clear();
+    });
+
+    monitor.on('resetServer', (error: MongoError) => markServerUnknown(this, error));
+    monitor.on(Server.SERVER_HEARTBEAT_SUCCEEDED, (event: ServerHeartbeatSucceededEvent) => {
+      this.emit(
+        Server.DESCRIPTION_RECEIVED,
+        new ServerDescription(this.description.hostAddress, event.reply, {
+          roundTripTime: calculateRoundTripTime(this.description.roundTripTime, event.duration)
+        })
+      );
+
+      if (this.s.state === STATE_CONNECTING) {
+        stateTransition(this, STATE_CONNECTED);
+        this.emit(Server.CONNECT, this);
+      }
+    });
+  }
+
+  get clusterTime(): ClusterTime | undefined {
+    return this.s.topology.clusterTime;
+  }
+
+  set clusterTime(clusterTime: ClusterTime | undefined) {
+    this.s.topology.clusterTime = clusterTime;
+  }
+
+  get description(): ServerDescription {
+    return this.s.description;
+  }
+
+  get name(): string {
+    return this.s.description.address;
+  }
+
+  get autoEncrypter(): AutoEncrypter | undefined {
+    if (this.s.options && this.s.options.autoEncrypter) {
+      return this.s.options.autoEncrypter;
+    }
+    return;
+  }
+
+  get loadBalanced(): boolean {
+    return this.s.topology.description.type === TopologyType.LoadBalanced;
+  }
+
+  /**
+   * Initiate server connect
+   */
+  connect(): void {
+    if (this.s.state !== STATE_CLOSED) {
+      return;
+    }
+
+    stateTransition(this, STATE_CONNECTING);
+
+    // If in load balancer mode we automatically set the server to
+    // a load balancer. It never transitions out of this state and
+    // has no monitor.
+    if (!this.loadBalanced) {
+      this[kMonitor]?.connect();
+    } else {
+      stateTransition(this, STATE_CONNECTED);
+      this.emit(Server.CONNECT, this);
+    }
+  }
+
+  /** Destroy the server connection */
+  destroy(options?: DestroyOptions, callback?: Callback): void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = Object.assign({}, { force: false }, options);
+
+    if (this.s.state === STATE_CLOSED) {
+      if (typeof callback === 'function') {
+        callback();
+      }
+
+      return;
+    }
+
+    stateTransition(this, STATE_CLOSING);
+
+    if (!this.loadBalanced) {
+      this[kMonitor]?.close();
+    }
+
+    this.s.pool.close(options, err => {
+      stateTransition(this, STATE_CLOSED);
+      this.emit('closed');
+      if (typeof callback === 'function') {
+        callback(err);
+      }
+    });
+  }
+
+  /**
+   * Immediately schedule monitoring of this server. If there already an attempt being made
+   * this will be a no-op.
+   */
+  requestCheck(): void {
+    if (!this.loadBalanced) {
+      this[kMonitor]?.requestCheck();
+    }
+  }
+
+  /**
+   * Execute a command
+   * @internal
+   */
+  command(
+    ns: MongoDBNamespace,
+    cmd: Document,
+    options: CommandOptions,
+    callback: Callback<Document>
+  ): void {
+    if (callback == null) {
+      throw new MongoInvalidArgumentError('Callback must be provided');
+    }
+
+    if (ns.db == null || typeof ns === 'string') {
+      throw new MongoInvalidArgumentError('Namespace must not be a string');
+    }
+
+    if (this.s.state === STATE_CLOSING || this.s.state === STATE_CLOSED) {
+      callback(new MongoServerClosedError());
+      return;
+    }
+
+    // Clone the options
+    const finalOptions = Object.assign({}, options, { wireProtocolCommand: false });
+
+    // There are cases where we need to flag the read preference not to get sent in
+    // the command, such as pre-5.0 servers attempting to perform an aggregate write
+    // with a non-primary read preference. In this case the effective read preference
+    // (primary) is not the same as the provided and must be removed completely.
+    if (finalOptions.omitReadPreference) {
+      delete finalOptions.readPreference;
+    }
+
+    // error if collation not supported
+    if (collationNotSupported(this, cmd)) {
+      callback(new MongoCompatibilityError(`Server ${this.name} does not support collation`));
+      return;
+    }
+
+    const session = finalOptions.session;
+    const conn = session?.pinnedConnection;
+
+    // NOTE: This is a hack! We can't retrieve the connections used for executing an operation
+    //       (and prevent them from being checked back in) at the point of operation execution.
+    //       This should be considered as part of the work for NODE-2882
+    // NOTE:
+    //       When incrementing operation count, it's important that we increment it before we
+    //       attempt to check out a connection from the pool.  This ensures that operations that
+    //       are waiting for a connection are included in the operation count.  Load balanced
+    //       mode will only ever have a single server, so the operation count doesn't matter.
+    //       Incrementing the operation count above the logic to handle load balanced mode would
+    //       require special logic to decrement it again, or would double increment (the load
+    //       balanced code makes a recursive call).  Instead, we increment the count after this
+    //       check.
+    if (this.loadBalanced && session && conn == null && isPinnableCommand(cmd, session)) {
+      this.s.pool.checkOut((err, checkedOut) => {
+        if (err || checkedOut == null) {
+          if (callback) return callback(err);
+          return;
+        }
+
+        session.pin(checkedOut);
+        this.command(ns, cmd, finalOptions, callback);
+      });
+      return;
+    }
+
+    this.s.operationCount += 1;
+
+    this.s.pool.withConnection(
+      conn,
+      (err, conn, cb) => {
+        if (err || !conn) {
+          this.s.operationCount -= 1;
+          markServerUnknown(this, err);
+          return cb(err);
+        }
+
+        conn.command(
+          ns,
+          cmd,
+          finalOptions,
+          makeOperationHandler(this, conn, cmd, finalOptions, (error, response) => {
+            this.s.operationCount -= 1;
+            cb(error, response);
+          })
+        );
+      },
+      callback
+    );
+  }
+}
+
+function calculateRoundTripTime(oldRtt: number, duration: number): number {
+  if (oldRtt === -1) {
+    return duration;
+  }
+
+  const alpha = 0.2;
+  return alpha * duration + (1 - alpha) * oldRtt;
+}
+
+function markServerUnknown(server: Server, error?: MongoServerError) {
+  // Load balancer servers can never be marked unknown.
+  if (server.loadBalanced) {
+    return;
+  }
+
+  if (error instanceof MongoNetworkError && !(error instanceof MongoNetworkTimeoutError)) {
+    server[kMonitor]?.reset();
+  }
+
+  server.emit(
+    Server.DESCRIPTION_RECEIVED,
+    new ServerDescription(server.description.hostAddress, undefined, { error })
+  );
+}
+
+function isPinnableCommand(cmd: Document, session?: ClientSession): boolean {
+  if (session) {
+    return (
+      session.inTransaction() ||
+      'aggregate' in cmd ||
+      'find' in cmd ||
+      'getMore' in cmd ||
+      'listCollections' in cmd ||
+      'listIndexes' in cmd
+    );
+  }
+
+  return false;
+}
+
+function connectionIsStale(pool: ConnectionPool, connection: Connection) {
+  if (connection.serviceId) {
+    return (
+      connection.generation !== pool.serviceGenerations.get(connection.serviceId.toHexString())
+    );
+  }
+
+  return connection.generation !== pool.generation;
+}
+
+function shouldHandleStateChangeError(server: Server, err: MongoError) {
+  const etv = err.topologyVersion;
+  const stv = server.description.topologyVersion;
+  return compareTopologyVersion(stv, etv) < 0;
+}
+
+function inActiveTransaction(session: ClientSession | undefined, cmd: Document) {
+  return session && session.inTransaction() && !isTransactionCommand(cmd);
+}
+
+/** this checks the retryWrites option passed down from the client options, it
+ * does not check if the server supports retryable writes */
+function isRetryableWritesEnabled(topology: Topology) {
+  return topology.s.options.retryWrites !== false;
+}
+
+function makeOperationHandler(
+  server: Server,
+  connection: Connection,
+  cmd: Document,
+  options: CommandOptions | GetMoreOptions | undefined,
+  callback: Callback
+): Callback {
+  const session = options?.session;
+  return function handleOperationResult(error, result) {
+    if (result != null) {
+      return callback(undefined, result);
+    }
+
+    if (!error) {
+      return callback(new MongoUnexpectedServerResponseError('Empty response with no error'));
+    }
+
+    if (!(error instanceof MongoError)) {
+      // Node.js or some other error we have not special handling for
+      return callback(error);
+    }
+
+    if (connectionIsStale(server.s.pool, connection)) {
+      return callback(error);
+    }
+
+    if (error instanceof MongoNetworkError) {
+      if (session && !session.hasEnded && session.serverSession) {
+        session.serverSession.isDirty = true;
+      }
+
+      // inActiveTransaction check handles commit and abort.
+      if (
+        inActiveTransaction(session, cmd) &&
+        !error.hasErrorLabel(MongoErrorLabel.TransientTransactionError)
+      ) {
+        error.addErrorLabel(MongoErrorLabel.TransientTransactionError);
+      }
+
+      if (
+        (isRetryableWritesEnabled(server.s.topology) || isTransactionCommand(cmd)) &&
+        supportsRetryableWrites(server) &&
+        !inActiveTransaction(session, cmd)
+      ) {
+        error.addErrorLabel(MongoErrorLabel.RetryableWriteError);
+      }
+
+      if (!(error instanceof MongoNetworkTimeoutError) || isNetworkErrorBeforeHandshake(error)) {
+        // In load balanced mode we never mark the server as unknown and always
+        // clear for the specific service id.
+
+        server.s.pool.clear(connection.serviceId);
+        if (!server.loadBalanced) {
+          markServerUnknown(server, error);
+        }
+      }
+    } else {
+      if (
+        (isRetryableWritesEnabled(server.s.topology) || isTransactionCommand(cmd)) &&
+        needsRetryableWriteLabel(error, maxWireVersion(server)) &&
+        !inActiveTransaction(session, cmd)
+      ) {
+        error.addErrorLabel(MongoErrorLabel.RetryableWriteError);
+      }
+
+      if (isSDAMUnrecoverableError(error)) {
+        if (shouldHandleStateChangeError(server, error)) {
+          if (maxWireVersion(server) <= 7 || isNodeShuttingDownError(error)) {
+            server.s.pool.clear(connection.serviceId);
+          }
+
+          if (!server.loadBalanced) {
+            markServerUnknown(server, error);
+            process.nextTick(() => server.requestCheck());
+          }
+        }
+      }
+    }
+
+    if (
+      session &&
+      session.isPinned &&
+      error.hasErrorLabel(MongoErrorLabel.TransientTransactionError)
+    ) {
+      session.unpin({ force: true });
+    }
+
+    return callback(error);
+  };
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/sdam/server_description.ts b/node_modules/mongoose/node_modules/mongodb/src/sdam/server_description.ts
new file mode 100644
index 000000000..1c3feeb62
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/sdam/server_description.ts
@@ -0,0 +1,262 @@
+import { Document, Long, ObjectId } from '../bson';
+import { MongoRuntimeError, MongoServerError } from '../error';
+import { arrayStrictEqual, compareObjectId, errorStrictEqual, HostAddress, now } from '../utils';
+import type { ClusterTime } from './common';
+import { ServerType } from './common';
+
+const WRITABLE_SERVER_TYPES = new Set<ServerType>([
+  ServerType.RSPrimary,
+  ServerType.Standalone,
+  ServerType.Mongos,
+  ServerType.LoadBalancer
+]);
+
+const DATA_BEARING_SERVER_TYPES = new Set<ServerType>([
+  ServerType.RSPrimary,
+  ServerType.RSSecondary,
+  ServerType.Mongos,
+  ServerType.Standalone,
+  ServerType.LoadBalancer
+]);
+
+/** @public */
+export interface TopologyVersion {
+  processId: ObjectId;
+  counter: Long;
+}
+
+/** @public */
+export type TagSet = { [key: string]: string };
+
+/** @internal */
+export interface ServerDescriptionOptions {
+  /** An Error used for better reporting debugging */
+  error?: MongoServerError;
+
+  /** The round trip time to ping this server (in ms) */
+  roundTripTime?: number;
+
+  /** If the client is in load balancing mode. */
+  loadBalanced?: boolean;
+}
+
+/**
+ * The client's view of a single server, based on the most recent hello outcome.
+ *
+ * Internal type, not meant to be directly instantiated
+ * @public
+ */
+export class ServerDescription {
+  address: string;
+  type: ServerType;
+  hosts: string[];
+  passives: string[];
+  arbiters: string[];
+  tags: TagSet;
+  error: MongoServerError | null;
+  topologyVersion: TopologyVersion | null;
+  minWireVersion: number;
+  maxWireVersion: number;
+  roundTripTime: number;
+  lastUpdateTime: number;
+  lastWriteDate: number;
+  me: string | null;
+  primary: string | null;
+  setName: string | null;
+  setVersion: number | null;
+  electionId: ObjectId | null;
+  logicalSessionTimeoutMinutes: number | null;
+
+  // NOTE: does this belong here? It seems we should gossip the cluster time at the CMAP level
+  $clusterTime?: ClusterTime;
+
+  /**
+   * Create a ServerDescription
+   * @internal
+   *
+   * @param address - The address of the server
+   * @param hello - An optional hello response for this server
+   */
+  constructor(
+    address: HostAddress | string,
+    hello?: Document,
+    options: ServerDescriptionOptions = {}
+  ) {
+    if (address == null || address === '') {
+      throw new MongoRuntimeError('ServerDescription must be provided with a non-empty address');
+    }
+
+    this.address =
+      typeof address === 'string'
+        ? HostAddress.fromString(address).toString(false) // Use HostAddress to normalize
+        : address.toString(false);
+    this.type = parseServerType(hello, options);
+    this.hosts = hello?.hosts?.map((host: string) => host.toLowerCase()) ?? [];
+    this.passives = hello?.passives?.map((host: string) => host.toLowerCase()) ?? [];
+    this.arbiters = hello?.arbiters?.map((host: string) => host.toLowerCase()) ?? [];
+    this.tags = hello?.tags ?? {};
+    this.minWireVersion = hello?.minWireVersion ?? 0;
+    this.maxWireVersion = hello?.maxWireVersion ?? 0;
+    this.roundTripTime = options?.roundTripTime ?? -1;
+    this.lastUpdateTime = now();
+    this.lastWriteDate = hello?.lastWrite?.lastWriteDate ?? 0;
+    this.error = options.error ?? null;
+    // TODO(NODE-2674): Preserve int64 sent from MongoDB
+    this.topologyVersion = this.error?.topologyVersion ?? hello?.topologyVersion ?? null;
+    this.setName = hello?.setName ?? null;
+    this.setVersion = hello?.setVersion ?? null;
+    this.electionId = hello?.electionId ?? null;
+    this.logicalSessionTimeoutMinutes = hello?.logicalSessionTimeoutMinutes ?? null;
+    this.primary = hello?.primary ?? null;
+    this.me = hello?.me?.toLowerCase() ?? null;
+    this.$clusterTime = hello?.$clusterTime ?? null;
+  }
+
+  get hostAddress(): HostAddress {
+    return HostAddress.fromString(this.address);
+  }
+
+  get allHosts(): string[] {
+    return this.hosts.concat(this.arbiters).concat(this.passives);
+  }
+
+  /** Is this server available for reads*/
+  get isReadable(): boolean {
+    return this.type === ServerType.RSSecondary || this.isWritable;
+  }
+
+  /** Is this server data bearing */
+  get isDataBearing(): boolean {
+    return DATA_BEARING_SERVER_TYPES.has(this.type);
+  }
+
+  /** Is this server available for writes */
+  get isWritable(): boolean {
+    return WRITABLE_SERVER_TYPES.has(this.type);
+  }
+
+  get host(): string {
+    const chopLength = `:${this.port}`.length;
+    return this.address.slice(0, -chopLength);
+  }
+
+  get port(): number {
+    const port = this.address.split(':').pop();
+    return port ? Number.parseInt(port, 10) : 27017;
+  }
+
+  /**
+   * Determines if another `ServerDescription` is equal to this one per the rules defined
+   * in the {@link https://github.com/mongodb/specifications/blob/master/source/server-discovery-and-monitoring/server-discovery-and-monitoring.rst#serverdescription|SDAM spec}
+   */
+  equals(other?: ServerDescription | null): boolean {
+    // Despite using the comparator that would determine a nullish topologyVersion as greater than
+    // for equality we should only always perform direct equality comparison
+    const topologyVersionsEqual =
+      this.topologyVersion === other?.topologyVersion ||
+      compareTopologyVersion(this.topologyVersion, other?.topologyVersion) === 0;
+
+    const electionIdsEqual =
+      this.electionId != null && other?.electionId != null
+        ? compareObjectId(this.electionId, other.electionId) === 0
+        : this.electionId === other?.electionId;
+
+    return (
+      other != null &&
+      errorStrictEqual(this.error, other.error) &&
+      this.type === other.type &&
+      this.minWireVersion === other.minWireVersion &&
+      arrayStrictEqual(this.hosts, other.hosts) &&
+      tagsStrictEqual(this.tags, other.tags) &&
+      this.setName === other.setName &&
+      this.setVersion === other.setVersion &&
+      electionIdsEqual &&
+      this.primary === other.primary &&
+      this.logicalSessionTimeoutMinutes === other.logicalSessionTimeoutMinutes &&
+      topologyVersionsEqual
+    );
+  }
+}
+
+// Parses a `hello` message and determines the server type
+export function parseServerType(hello?: Document, options?: ServerDescriptionOptions): ServerType {
+  if (options?.loadBalanced) {
+    return ServerType.LoadBalancer;
+  }
+
+  if (!hello || !hello.ok) {
+    return ServerType.Unknown;
+  }
+
+  if (hello.isreplicaset) {
+    return ServerType.RSGhost;
+  }
+
+  if (hello.msg && hello.msg === 'isdbgrid') {
+    return ServerType.Mongos;
+  }
+
+  if (hello.setName) {
+    if (hello.hidden) {
+      return ServerType.RSOther;
+    } else if (hello.isWritablePrimary) {
+      return ServerType.RSPrimary;
+    } else if (hello.secondary) {
+      return ServerType.RSSecondary;
+    } else if (hello.arbiterOnly) {
+      return ServerType.RSArbiter;
+    } else {
+      return ServerType.RSOther;
+    }
+  }
+
+  return ServerType.Standalone;
+}
+
+function tagsStrictEqual(tags: TagSet, tags2: TagSet): boolean {
+  const tagsKeys = Object.keys(tags);
+  const tags2Keys = Object.keys(tags2);
+
+  return (
+    tagsKeys.length === tags2Keys.length &&
+    tagsKeys.every((key: string) => tags2[key] === tags[key])
+  );
+}
+
+/**
+ * Compares two topology versions.
+ *
+ * 1. If the response topologyVersion is unset or the ServerDescription's
+ *    topologyVersion is null, the client MUST assume the response is more recent.
+ * 1. If the response's topologyVersion.processId is not equal to the
+ *    ServerDescription's, the client MUST assume the response is more recent.
+ * 1. If the response's topologyVersion.processId is equal to the
+ *    ServerDescription's, the client MUST use the counter field to determine
+ *    which topologyVersion is more recent.
+ *
+ * ```ts
+ * currentTv <   newTv === -1
+ * currentTv === newTv === 0
+ * currentTv >   newTv === 1
+ * ```
+ */
+export function compareTopologyVersion(
+  currentTv?: TopologyVersion | null,
+  newTv?: TopologyVersion | null
+): 0 | -1 | 1 {
+  if (currentTv == null || newTv == null) {
+    return -1;
+  }
+
+  if (!currentTv.processId.equals(newTv.processId)) {
+    return -1;
+  }
+
+  // TODO(NODE-2674): Preserve int64 sent from MongoDB
+  const currentCounter = Long.isLong(currentTv.counter)
+    ? currentTv.counter
+    : Long.fromNumber(currentTv.counter);
+  const newCounter = Long.isLong(newTv.counter) ? newTv.counter : Long.fromNumber(newTv.counter);
+
+  return currentCounter.compare(newCounter);
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/sdam/server_selection.ts b/node_modules/mongoose/node_modules/mongodb/src/sdam/server_selection.ts
new file mode 100644
index 000000000..74bbd8918
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/sdam/server_selection.ts
@@ -0,0 +1,324 @@
+import { MongoCompatibilityError, MongoInvalidArgumentError } from '../error';
+import { ReadPreference } from '../read_preference';
+import { ServerType, TopologyType } from './common';
+import type { ServerDescription, TagSet } from './server_description';
+import type { TopologyDescription } from './topology_description';
+
+// max staleness constants
+const IDLE_WRITE_PERIOD = 10000;
+const SMALLEST_MAX_STALENESS_SECONDS = 90;
+
+//  Minimum version to try writes on secondaries.
+export const MIN_SECONDARY_WRITE_WIRE_VERSION = 13;
+
+/** @public */
+export type ServerSelector = (
+  topologyDescription: TopologyDescription,
+  servers: ServerDescription[]
+) => ServerDescription[];
+
+/**
+ * Returns a server selector that selects for writable servers
+ */
+export function writableServerSelector(): ServerSelector {
+  return (
+    topologyDescription: TopologyDescription,
+    servers: ServerDescription[]
+  ): ServerDescription[] =>
+    latencyWindowReducer(
+      topologyDescription,
+      servers.filter((s: ServerDescription) => s.isWritable)
+    );
+}
+
+/**
+ * The purpose of this selector is to select the same server, only
+ * if it is in a state that it can have commands sent to it.
+ */
+export function sameServerSelector(description?: ServerDescription): ServerSelector {
+  return (
+    topologyDescription: TopologyDescription,
+    servers: ServerDescription[]
+  ): ServerDescription[] => {
+    if (!description) return [];
+    // Filter the servers to match the provided description only if
+    // the type is not unknown.
+    return servers.filter(sd => {
+      return sd.address === description.address && sd.type !== ServerType.Unknown;
+    });
+  };
+}
+
+/**
+ * Returns a server selector that uses a read preference to select a
+ * server potentially for a write on a secondary.
+ */
+export function secondaryWritableServerSelector(
+  wireVersion?: number,
+  readPreference?: ReadPreference
+): ServerSelector {
+  // If server version < 5.0, read preference always primary.
+  // If server version >= 5.0...
+  // - If read preference is supplied, use that.
+  // - If no read preference is supplied, use primary.
+  if (
+    !readPreference ||
+    !wireVersion ||
+    (wireVersion && wireVersion < MIN_SECONDARY_WRITE_WIRE_VERSION)
+  ) {
+    return readPreferenceServerSelector(ReadPreference.primary);
+  }
+  return readPreferenceServerSelector(readPreference);
+}
+
+/**
+ * Reduces the passed in array of servers by the rules of the "Max Staleness" specification
+ * found here: https://github.com/mongodb/specifications/blob/master/source/max-staleness/max-staleness.rst
+ *
+ * @param readPreference - The read preference providing max staleness guidance
+ * @param topologyDescription - The topology description
+ * @param servers - The list of server descriptions to be reduced
+ * @returns The list of servers that satisfy the requirements of max staleness
+ */
+function maxStalenessReducer(
+  readPreference: ReadPreference,
+  topologyDescription: TopologyDescription,
+  servers: ServerDescription[]
+): ServerDescription[] {
+  if (readPreference.maxStalenessSeconds == null || readPreference.maxStalenessSeconds < 0) {
+    return servers;
+  }
+
+  const maxStaleness = readPreference.maxStalenessSeconds;
+  const maxStalenessVariance =
+    (topologyDescription.heartbeatFrequencyMS + IDLE_WRITE_PERIOD) / 1000;
+  if (maxStaleness < maxStalenessVariance) {
+    throw new MongoInvalidArgumentError(
+      `Option "maxStalenessSeconds" must be at least ${maxStalenessVariance} seconds`
+    );
+  }
+
+  if (maxStaleness < SMALLEST_MAX_STALENESS_SECONDS) {
+    throw new MongoInvalidArgumentError(
+      `Option "maxStalenessSeconds" must be at least ${SMALLEST_MAX_STALENESS_SECONDS} seconds`
+    );
+  }
+
+  if (topologyDescription.type === TopologyType.ReplicaSetWithPrimary) {
+    const primary: ServerDescription = Array.from(topologyDescription.servers.values()).filter(
+      primaryFilter
+    )[0];
+
+    return servers.reduce((result: ServerDescription[], server: ServerDescription) => {
+      const stalenessMS =
+        server.lastUpdateTime -
+        server.lastWriteDate -
+        (primary.lastUpdateTime - primary.lastWriteDate) +
+        topologyDescription.heartbeatFrequencyMS;
+
+      const staleness = stalenessMS / 1000;
+      const maxStalenessSeconds = readPreference.maxStalenessSeconds ?? 0;
+      if (staleness <= maxStalenessSeconds) {
+        result.push(server);
+      }
+
+      return result;
+    }, []);
+  }
+
+  if (topologyDescription.type === TopologyType.ReplicaSetNoPrimary) {
+    if (servers.length === 0) {
+      return servers;
+    }
+
+    const sMax = servers.reduce((max: ServerDescription, s: ServerDescription) =>
+      s.lastWriteDate > max.lastWriteDate ? s : max
+    );
+
+    return servers.reduce((result: ServerDescription[], server: ServerDescription) => {
+      const stalenessMS =
+        sMax.lastWriteDate - server.lastWriteDate + topologyDescription.heartbeatFrequencyMS;
+
+      const staleness = stalenessMS / 1000;
+      const maxStalenessSeconds = readPreference.maxStalenessSeconds ?? 0;
+      if (staleness <= maxStalenessSeconds) {
+        result.push(server);
+      }
+
+      return result;
+    }, []);
+  }
+
+  return servers;
+}
+
+/**
+ * Determines whether a server's tags match a given set of tags
+ *
+ * @param tagSet - The requested tag set to match
+ * @param serverTags - The server's tags
+ */
+function tagSetMatch(tagSet: TagSet, serverTags: TagSet) {
+  const keys = Object.keys(tagSet);
+  const serverTagKeys = Object.keys(serverTags);
+  for (let i = 0; i < keys.length; ++i) {
+    const key = keys[i];
+    if (serverTagKeys.indexOf(key) === -1 || serverTags[key] !== tagSet[key]) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+/**
+ * Reduces a set of server descriptions based on tags requested by the read preference
+ *
+ * @param readPreference - The read preference providing the requested tags
+ * @param servers - The list of server descriptions to reduce
+ * @returns The list of servers matching the requested tags
+ */
+function tagSetReducer(
+  readPreference: ReadPreference,
+  servers: ServerDescription[]
+): ServerDescription[] {
+  if (
+    readPreference.tags == null ||
+    (Array.isArray(readPreference.tags) && readPreference.tags.length === 0)
+  ) {
+    return servers;
+  }
+
+  for (let i = 0; i < readPreference.tags.length; ++i) {
+    const tagSet = readPreference.tags[i];
+    const serversMatchingTagset = servers.reduce(
+      (matched: ServerDescription[], server: ServerDescription) => {
+        if (tagSetMatch(tagSet, server.tags)) matched.push(server);
+        return matched;
+      },
+      []
+    );
+
+    if (serversMatchingTagset.length) {
+      return serversMatchingTagset;
+    }
+  }
+
+  return [];
+}
+
+/**
+ * Reduces a list of servers to ensure they fall within an acceptable latency window. This is
+ * further specified in the "Server Selection" specification, found here:
+ * https://github.com/mongodb/specifications/blob/master/source/server-selection/server-selection.rst
+ *
+ * @param topologyDescription - The topology description
+ * @param servers - The list of servers to reduce
+ * @returns The servers which fall within an acceptable latency window
+ */
+function latencyWindowReducer(
+  topologyDescription: TopologyDescription,
+  servers: ServerDescription[]
+): ServerDescription[] {
+  const low = servers.reduce(
+    (min: number, server: ServerDescription) =>
+      min === -1 ? server.roundTripTime : Math.min(server.roundTripTime, min),
+    -1
+  );
+
+  const high = low + topologyDescription.localThresholdMS;
+  return servers.reduce((result: ServerDescription[], server: ServerDescription) => {
+    if (server.roundTripTime <= high && server.roundTripTime >= low) result.push(server);
+    return result;
+  }, []);
+}
+
+// filters
+function primaryFilter(server: ServerDescription): boolean {
+  return server.type === ServerType.RSPrimary;
+}
+
+function secondaryFilter(server: ServerDescription): boolean {
+  return server.type === ServerType.RSSecondary;
+}
+
+function nearestFilter(server: ServerDescription): boolean {
+  return server.type === ServerType.RSSecondary || server.type === ServerType.RSPrimary;
+}
+
+function knownFilter(server: ServerDescription): boolean {
+  return server.type !== ServerType.Unknown;
+}
+
+function loadBalancerFilter(server: ServerDescription): boolean {
+  return server.type === ServerType.LoadBalancer;
+}
+
+/**
+ * Returns a function which selects servers based on a provided read preference
+ *
+ * @param readPreference - The read preference to select with
+ */
+export function readPreferenceServerSelector(readPreference: ReadPreference): ServerSelector {
+  if (!readPreference.isValid()) {
+    throw new MongoInvalidArgumentError('Invalid read preference specified');
+  }
+
+  return (
+    topologyDescription: TopologyDescription,
+    servers: ServerDescription[]
+  ): ServerDescription[] => {
+    const commonWireVersion = topologyDescription.commonWireVersion;
+    if (
+      commonWireVersion &&
+      readPreference.minWireVersion &&
+      readPreference.minWireVersion > commonWireVersion
+    ) {
+      throw new MongoCompatibilityError(
+        `Minimum wire version '${readPreference.minWireVersion}' required, but found '${commonWireVersion}'`
+      );
+    }
+
+    if (topologyDescription.type === TopologyType.LoadBalanced) {
+      return servers.filter(loadBalancerFilter);
+    }
+
+    if (topologyDescription.type === TopologyType.Unknown) {
+      return [];
+    }
+
+    if (
+      topologyDescription.type === TopologyType.Single ||
+      topologyDescription.type === TopologyType.Sharded
+    ) {
+      return latencyWindowReducer(topologyDescription, servers.filter(knownFilter));
+    }
+
+    const mode = readPreference.mode;
+    if (mode === ReadPreference.PRIMARY) {
+      return servers.filter(primaryFilter);
+    }
+
+    if (mode === ReadPreference.PRIMARY_PREFERRED) {
+      const result = servers.filter(primaryFilter);
+      if (result.length) {
+        return result;
+      }
+    }
+
+    const filter = mode === ReadPreference.NEAREST ? nearestFilter : secondaryFilter;
+    const selectedServers = latencyWindowReducer(
+      topologyDescription,
+      tagSetReducer(
+        readPreference,
+        maxStalenessReducer(readPreference, topologyDescription, servers.filter(filter))
+      )
+    );
+
+    if (mode === ReadPreference.SECONDARY_PREFERRED && selectedServers.length === 0) {
+      return servers.filter(primaryFilter);
+    }
+
+    return selectedServers;
+  };
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/sdam/srv_polling.ts b/node_modules/mongoose/node_modules/mongodb/src/sdam/srv_polling.ts
new file mode 100644
index 000000000..b61284a5e
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/sdam/srv_polling.ts
@@ -0,0 +1,165 @@
+import * as dns from 'dns';
+import { clearTimeout, setTimeout } from 'timers';
+
+import { MongoRuntimeError } from '../error';
+import { Logger, LoggerOptions } from '../logger';
+import { TypedEventEmitter } from '../mongo_types';
+import { HostAddress } from '../utils';
+
+/**
+ * Determines whether a provided address matches the provided parent domain in order
+ * to avoid certain attack vectors.
+ *
+ * @param srvAddress - The address to check against a domain
+ * @param parentDomain - The domain to check the provided address against
+ * @returns Whether the provided address matches the parent domain
+ */
+function matchesParentDomain(srvAddress: string, parentDomain: string): boolean {
+  const regex = /^.*?\./;
+  const srv = `.${srvAddress.replace(regex, '')}`;
+  const parent = `.${parentDomain.replace(regex, '')}`;
+  return srv.endsWith(parent);
+}
+
+/**
+ * @internal
+ * @category Event
+ */
+export class SrvPollingEvent {
+  srvRecords: dns.SrvRecord[];
+  constructor(srvRecords: dns.SrvRecord[]) {
+    this.srvRecords = srvRecords;
+  }
+
+  hostnames(): Set<string> {
+    return new Set(this.srvRecords.map(r => HostAddress.fromSrvRecord(r).toString()));
+  }
+}
+
+/** @internal */
+export interface SrvPollerOptions extends LoggerOptions {
+  srvServiceName: string;
+  srvMaxHosts: number;
+  srvHost: string;
+  heartbeatFrequencyMS: number;
+}
+
+/** @internal */
+export type SrvPollerEvents = {
+  srvRecordDiscovery(event: SrvPollingEvent): void;
+};
+
+/** @internal */
+export class SrvPoller extends TypedEventEmitter<SrvPollerEvents> {
+  srvHost: string;
+  rescanSrvIntervalMS: number;
+  heartbeatFrequencyMS: number;
+  logger: Logger;
+  haMode: boolean;
+  generation: number;
+  srvMaxHosts: number;
+  srvServiceName: string;
+  _timeout?: NodeJS.Timeout;
+
+  /** @event */
+  static readonly SRV_RECORD_DISCOVERY = 'srvRecordDiscovery' as const;
+
+  constructor(options: SrvPollerOptions) {
+    super();
+
+    if (!options || !options.srvHost) {
+      throw new MongoRuntimeError('Options for SrvPoller must exist and include srvHost');
+    }
+
+    this.srvHost = options.srvHost;
+    this.srvMaxHosts = options.srvMaxHosts ?? 0;
+    this.srvServiceName = options.srvServiceName ?? 'mongodb';
+    this.rescanSrvIntervalMS = 60000;
+    this.heartbeatFrequencyMS = options.heartbeatFrequencyMS ?? 10000;
+    this.logger = new Logger('srvPoller', options);
+
+    this.haMode = false;
+    this.generation = 0;
+
+    this._timeout = undefined;
+  }
+
+  get srvAddress(): string {
+    return `_${this.srvServiceName}._tcp.${this.srvHost}`;
+  }
+
+  get intervalMS(): number {
+    return this.haMode ? this.heartbeatFrequencyMS : this.rescanSrvIntervalMS;
+  }
+
+  start(): void {
+    if (!this._timeout) {
+      this.schedule();
+    }
+  }
+
+  stop(): void {
+    if (this._timeout) {
+      clearTimeout(this._timeout);
+      this.generation += 1;
+      this._timeout = undefined;
+    }
+  }
+
+  schedule(): void {
+    if (this._timeout) {
+      clearTimeout(this._timeout);
+    }
+
+    this._timeout = setTimeout(() => this._poll(), this.intervalMS);
+  }
+
+  success(srvRecords: dns.SrvRecord[]): void {
+    this.haMode = false;
+    this.schedule();
+    this.emit(SrvPoller.SRV_RECORD_DISCOVERY, new SrvPollingEvent(srvRecords));
+  }
+
+  failure(message: string, obj?: NodeJS.ErrnoException): void {
+    this.logger.warn(message, obj);
+    this.haMode = true;
+    this.schedule();
+  }
+
+  parentDomainMismatch(srvRecord: dns.SrvRecord): void {
+    this.logger.warn(
+      `parent domain mismatch on SRV record (${srvRecord.name}:${srvRecord.port})`,
+      srvRecord
+    );
+  }
+
+  _poll(): void {
+    const generation = this.generation;
+    dns.resolveSrv(this.srvAddress, (err, srvRecords) => {
+      if (generation !== this.generation) {
+        return;
+      }
+
+      if (err) {
+        this.failure('DNS error', err);
+        return;
+      }
+
+      const finalAddresses: dns.SrvRecord[] = [];
+      for (const record of srvRecords) {
+        if (matchesParentDomain(record.name, this.srvHost)) {
+          finalAddresses.push(record);
+        } else {
+          this.parentDomainMismatch(record);
+        }
+      }
+
+      if (!finalAddresses.length) {
+        this.failure('No valid addresses found at host');
+        return;
+      }
+
+      this.success(finalAddresses);
+    });
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/sdam/topology.ts b/node_modules/mongoose/node_modules/mongodb/src/sdam/topology.ts
new file mode 100644
index 000000000..69b82befa
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/sdam/topology.ts
@@ -0,0 +1,1007 @@
+import Denque = require('denque');
+import { clearTimeout, setTimeout } from 'timers';
+import { promisify } from 'util';
+
+import type { BSONSerializeOptions, Document } from '../bson';
+import { deserialize, serialize } from '../bson';
+import type { MongoCredentials } from '../cmap/auth/mongo_credentials';
+import type { ConnectionEvents, DestroyOptions } from '../cmap/connection';
+import type { CloseOptions, ConnectionPoolEvents } from '../cmap/connection_pool';
+import { DEFAULT_OPTIONS, FEATURE_FLAGS } from '../connection_string';
+import {
+  CLOSE,
+  CONNECT,
+  ERROR,
+  LOCAL_SERVER_EVENTS,
+  OPEN,
+  SERVER_CLOSED,
+  SERVER_DESCRIPTION_CHANGED,
+  SERVER_OPENING,
+  SERVER_RELAY_EVENTS,
+  TIMEOUT,
+  TOPOLOGY_CLOSED,
+  TOPOLOGY_DESCRIPTION_CHANGED,
+  TOPOLOGY_OPENING
+} from '../constants';
+import {
+  MongoCompatibilityError,
+  MongoDriverError,
+  MongoRuntimeError,
+  MongoServerSelectionError,
+  MongoTopologyClosedError
+} from '../error';
+import type { MongoClient, ServerApi } from '../mongo_client';
+import { TypedEventEmitter } from '../mongo_types';
+import { ReadPreference, ReadPreferenceLike } from '../read_preference';
+import type { ClientSession } from '../sessions';
+import type { Transaction } from '../transactions';
+import {
+  Callback,
+  ClientMetadata,
+  emitWarning,
+  EventEmitterWithState,
+  HostAddress,
+  makeStateMachine,
+  ns,
+  shuffle
+} from '../utils';
+import {
+  _advanceClusterTime,
+  ClusterTime,
+  drainTimerQueue,
+  ServerType,
+  STATE_CLOSED,
+  STATE_CLOSING,
+  STATE_CONNECTED,
+  STATE_CONNECTING,
+  TimerQueue,
+  TopologyType
+} from './common';
+import {
+  ServerClosedEvent,
+  ServerDescriptionChangedEvent,
+  ServerOpeningEvent,
+  TopologyClosedEvent,
+  TopologyDescriptionChangedEvent,
+  TopologyOpeningEvent
+} from './events';
+import { Server, ServerEvents, ServerOptions } from './server';
+import { compareTopologyVersion, ServerDescription } from './server_description';
+import { readPreferenceServerSelector, ServerSelector } from './server_selection';
+import { SrvPoller, SrvPollingEvent } from './srv_polling';
+import { TopologyDescription } from './topology_description';
+
+// Global state
+let globalTopologyCounter = 0;
+
+const stateTransition = makeStateMachine({
+  [STATE_CLOSED]: [STATE_CLOSED, STATE_CONNECTING],
+  [STATE_CONNECTING]: [STATE_CONNECTING, STATE_CLOSING, STATE_CONNECTED, STATE_CLOSED],
+  [STATE_CONNECTED]: [STATE_CONNECTED, STATE_CLOSING, STATE_CLOSED],
+  [STATE_CLOSING]: [STATE_CLOSING, STATE_CLOSED]
+});
+
+/** @internal */
+const kCancelled = Symbol('cancelled');
+/** @internal */
+const kWaitQueue = Symbol('waitQueue');
+
+/** @internal */
+export type ServerSelectionCallback = Callback<Server>;
+
+/** @internal */
+export interface ServerSelectionRequest {
+  serverSelector: ServerSelector;
+  transaction?: Transaction;
+  callback: ServerSelectionCallback;
+  timer?: NodeJS.Timeout;
+  [kCancelled]?: boolean;
+}
+
+/** @internal */
+export interface TopologyPrivate {
+  /** the id of this topology */
+  id: number;
+  /** passed in options */
+  options: TopologyOptions;
+  /** initial seedlist of servers to connect to */
+  seedlist: HostAddress[];
+  /** initial state */
+  state: string;
+  /** the topology description */
+  description: TopologyDescription;
+  serverSelectionTimeoutMS: number;
+  heartbeatFrequencyMS: number;
+  minHeartbeatFrequencyMS: number;
+  /** A map of server instances to normalized addresses */
+  servers: Map<string, Server>;
+  credentials?: MongoCredentials;
+  clusterTime?: ClusterTime;
+  /** timers created for the initial connect to a server */
+  connectionTimers: TimerQueue;
+
+  /** related to srv polling */
+  srvPoller?: SrvPoller;
+  detectShardedTopology: (event: TopologyDescriptionChangedEvent) => void;
+  detectSrvRecords: (event: SrvPollingEvent) => void;
+}
+
+/** @public */
+export interface TopologyOptions extends BSONSerializeOptions, ServerOptions {
+  srvMaxHosts: number;
+  srvServiceName: string;
+  hosts: HostAddress[];
+  retryWrites: boolean;
+  retryReads: boolean;
+  /** How long to block for server selection before throwing an error */
+  serverSelectionTimeoutMS: number;
+  /** The name of the replica set to connect to */
+  replicaSet?: string;
+  srvHost?: string;
+  /** @internal */
+  srvPoller?: SrvPoller;
+  /** Indicates that a client should directly connect to a node without attempting to discover its topology type */
+  directConnection: boolean;
+  loadBalanced: boolean;
+  metadata: ClientMetadata;
+  /** MongoDB server API version */
+  serverApi?: ServerApi;
+  /** @internal */
+  [featureFlag: symbol]: any;
+}
+
+/** @public */
+export interface ConnectOptions {
+  readPreference?: ReadPreference;
+}
+
+/** @public */
+export interface SelectServerOptions {
+  readPreference?: ReadPreferenceLike;
+  /** How long to block for server selection before throwing an error */
+  serverSelectionTimeoutMS?: number;
+  session?: ClientSession;
+}
+
+/** @public */
+export type TopologyEvents = {
+  /** Top level MongoClient doesn't emit this so it is marked: @internal */
+  connect(topology: Topology): void;
+  serverOpening(event: ServerOpeningEvent): void;
+  serverClosed(event: ServerClosedEvent): void;
+  serverDescriptionChanged(event: ServerDescriptionChangedEvent): void;
+  topologyClosed(event: TopologyClosedEvent): void;
+  topologyOpening(event: TopologyOpeningEvent): void;
+  topologyDescriptionChanged(event: TopologyDescriptionChangedEvent): void;
+  error(error: Error): void;
+  /** @internal */
+  open(topology: Topology): void;
+  close(): void;
+  timeout(): void;
+} & Omit<ServerEvents, 'connect'> &
+  ConnectionPoolEvents &
+  ConnectionEvents &
+  EventEmitterWithState;
+/**
+ * A container of server instances representing a connection to a MongoDB topology.
+ * @internal
+ */
+export class Topology extends TypedEventEmitter<TopologyEvents> {
+  /** @internal */
+  s: TopologyPrivate;
+  /** @internal */
+  [kWaitQueue]: Denque<ServerSelectionRequest>;
+  /** @internal */
+  hello?: Document;
+  /** @internal */
+  _type?: string;
+
+  client!: MongoClient;
+
+  /** @event */
+  static readonly SERVER_OPENING = SERVER_OPENING;
+  /** @event */
+  static readonly SERVER_CLOSED = SERVER_CLOSED;
+  /** @event */
+  static readonly SERVER_DESCRIPTION_CHANGED = SERVER_DESCRIPTION_CHANGED;
+  /** @event */
+  static readonly TOPOLOGY_OPENING = TOPOLOGY_OPENING;
+  /** @event */
+  static readonly TOPOLOGY_CLOSED = TOPOLOGY_CLOSED;
+  /** @event */
+  static readonly TOPOLOGY_DESCRIPTION_CHANGED = TOPOLOGY_DESCRIPTION_CHANGED;
+  /** @event */
+  static readonly ERROR = ERROR;
+  /** @event */
+  static readonly OPEN = OPEN;
+  /** @event */
+  static readonly CONNECT = CONNECT;
+  /** @event */
+  static readonly CLOSE = CLOSE;
+  /** @event */
+  static readonly TIMEOUT = TIMEOUT;
+
+  /**
+   * @internal
+   *
+   * @privateRemarks
+   * mongodb-client-encryption's class ClientEncryption falls back to finding the bson lib
+   * defined on client.topology.bson, in order to maintain compatibility with any version
+   * of mongodb-client-encryption we keep a reference to serialize and deserialize here.
+   */
+  bson: { serialize: typeof serialize; deserialize: typeof deserialize };
+
+  /**
+   * @param seedlist - a list of HostAddress instances to connect to
+   */
+  constructor(seeds: string | string[] | HostAddress | HostAddress[], options: TopologyOptions) {
+    super();
+
+    // Legacy CSFLE support
+    this.bson = Object.create(null);
+    this.bson.serialize = serialize;
+    this.bson.deserialize = deserialize;
+
+    // Options should only be undefined in tests, MongoClient will always have defined options
+    options = options ?? {
+      hosts: [HostAddress.fromString('localhost:27017')],
+      ...Object.fromEntries(DEFAULT_OPTIONS.entries()),
+      ...Object.fromEntries(FEATURE_FLAGS.entries())
+    };
+
+    if (typeof seeds === 'string') {
+      seeds = [HostAddress.fromString(seeds)];
+    } else if (!Array.isArray(seeds)) {
+      seeds = [seeds];
+    }
+
+    const seedlist: HostAddress[] = [];
+    for (const seed of seeds) {
+      if (typeof seed === 'string') {
+        seedlist.push(HostAddress.fromString(seed));
+      } else if (seed instanceof HostAddress) {
+        seedlist.push(seed);
+      } else {
+        // FIXME(NODE-3483): May need to be a MongoParseError
+        throw new MongoRuntimeError(`Topology cannot be constructed from ${JSON.stringify(seed)}`);
+      }
+    }
+
+    const topologyType = topologyTypeFromOptions(options);
+    const topologyId = globalTopologyCounter++;
+
+    const selectedHosts =
+      options.srvMaxHosts == null ||
+      options.srvMaxHosts === 0 ||
+      options.srvMaxHosts >= seedlist.length
+        ? seedlist
+        : shuffle(seedlist, options.srvMaxHosts);
+
+    const serverDescriptions = new Map();
+    for (const hostAddress of selectedHosts) {
+      serverDescriptions.set(hostAddress.toString(), new ServerDescription(hostAddress));
+    }
+
+    this[kWaitQueue] = new Denque();
+    this.s = {
+      // the id of this topology
+      id: topologyId,
+      // passed in options
+      options,
+      // initial seedlist of servers to connect to
+      seedlist,
+      // initial state
+      state: STATE_CLOSED,
+      // the topology description
+      description: new TopologyDescription(
+        topologyType,
+        serverDescriptions,
+        options.replicaSet,
+        undefined,
+        undefined,
+        undefined,
+        options
+      ),
+      serverSelectionTimeoutMS: options.serverSelectionTimeoutMS,
+      heartbeatFrequencyMS: options.heartbeatFrequencyMS,
+      minHeartbeatFrequencyMS: options.minHeartbeatFrequencyMS,
+      // a map of server instances to normalized addresses
+      servers: new Map(),
+      credentials: options?.credentials,
+      clusterTime: undefined,
+
+      // timer management
+      connectionTimers: new Set<NodeJS.Timeout>(),
+      detectShardedTopology: ev => this.detectShardedTopology(ev),
+      detectSrvRecords: ev => this.detectSrvRecords(ev)
+    };
+
+    if (options.srvHost && !options.loadBalanced) {
+      this.s.srvPoller =
+        options.srvPoller ??
+        new SrvPoller({
+          heartbeatFrequencyMS: this.s.heartbeatFrequencyMS,
+          srvHost: options.srvHost,
+          srvMaxHosts: options.srvMaxHosts,
+          srvServiceName: options.srvServiceName
+        });
+
+      this.on(Topology.TOPOLOGY_DESCRIPTION_CHANGED, this.s.detectShardedTopology);
+    }
+  }
+
+  private detectShardedTopology(event: TopologyDescriptionChangedEvent) {
+    const previousType = event.previousDescription.type;
+    const newType = event.newDescription.type;
+
+    const transitionToSharded =
+      previousType !== TopologyType.Sharded && newType === TopologyType.Sharded;
+    const srvListeners = this.s.srvPoller?.listeners(SrvPoller.SRV_RECORD_DISCOVERY);
+    const listeningToSrvPolling = !!srvListeners?.includes(this.s.detectSrvRecords);
+
+    if (transitionToSharded && !listeningToSrvPolling) {
+      this.s.srvPoller?.on(SrvPoller.SRV_RECORD_DISCOVERY, this.s.detectSrvRecords);
+      this.s.srvPoller?.start();
+    }
+  }
+
+  private detectSrvRecords(ev: SrvPollingEvent) {
+    const previousTopologyDescription = this.s.description;
+    this.s.description = this.s.description.updateFromSrvPollingEvent(
+      ev,
+      this.s.options.srvMaxHosts
+    );
+    if (this.s.description === previousTopologyDescription) {
+      // Nothing changed, so return
+      return;
+    }
+
+    updateServers(this);
+
+    this.emit(
+      Topology.TOPOLOGY_DESCRIPTION_CHANGED,
+      new TopologyDescriptionChangedEvent(
+        this.s.id,
+        previousTopologyDescription,
+        this.s.description
+      )
+    );
+  }
+
+  /**
+   * @returns A `TopologyDescription` for this topology
+   */
+  get description(): TopologyDescription {
+    return this.s.description;
+  }
+
+  get loadBalanced(): boolean {
+    return this.s.options.loadBalanced;
+  }
+
+  get capabilities(): ServerCapabilities {
+    return new ServerCapabilities(this.lastHello());
+  }
+
+  /** Initiate server connect */
+  connect(options?: ConnectOptions, callback?: Callback): void {
+    if (typeof options === 'function') (callback = options), (options = {});
+    options = options ?? {};
+    if (this.s.state === STATE_CONNECTED) {
+      if (typeof callback === 'function') {
+        callback();
+      }
+
+      return;
+    }
+
+    stateTransition(this, STATE_CONNECTING);
+
+    // emit SDAM monitoring events
+    this.emit(Topology.TOPOLOGY_OPENING, new TopologyOpeningEvent(this.s.id));
+
+    // emit an event for the topology change
+    this.emit(
+      Topology.TOPOLOGY_DESCRIPTION_CHANGED,
+      new TopologyDescriptionChangedEvent(
+        this.s.id,
+        new TopologyDescription(TopologyType.Unknown), // initial is always Unknown
+        this.s.description
+      )
+    );
+
+    // connect all known servers, then attempt server selection to connect
+    const serverDescriptions = Array.from(this.s.description.servers.values());
+    this.s.servers = new Map(
+      serverDescriptions.map(serverDescription => [
+        serverDescription.address,
+        createAndConnectServer(this, serverDescription)
+      ])
+    );
+
+    // In load balancer mode we need to fake a server description getting
+    // emitted from the monitor, since the monitor doesn't exist.
+    if (this.s.options.loadBalanced) {
+      for (const description of serverDescriptions) {
+        const newDescription = new ServerDescription(description.hostAddress, undefined, {
+          loadBalanced: this.s.options.loadBalanced
+        });
+        this.serverUpdateHandler(newDescription);
+      }
+    }
+
+    const exitWithError = (error: Error) =>
+      callback ? callback(error) : this.emit(Topology.ERROR, error);
+
+    const readPreference = options.readPreference ?? ReadPreference.primary;
+    this.selectServer(readPreferenceServerSelector(readPreference), options, (err, server) => {
+      if (err) {
+        return this.close({ force: false }, () => exitWithError(err));
+      }
+
+      // TODO: NODE-2471
+      const skipPingOnConnect = this.s.options[Symbol.for('@@mdb.skipPingOnConnect')] === true;
+      if (!skipPingOnConnect && server && this.s.credentials) {
+        server.command(ns('admin.$cmd'), { ping: 1 }, {}, err => {
+          if (err) {
+            return exitWithError(err);
+          }
+
+          stateTransition(this, STATE_CONNECTED);
+          this.emit(Topology.OPEN, this);
+          this.emit(Topology.CONNECT, this);
+
+          callback?.(undefined, this);
+        });
+
+        return;
+      }
+
+      stateTransition(this, STATE_CONNECTED);
+      this.emit(Topology.OPEN, this);
+      this.emit(Topology.CONNECT, this);
+
+      callback?.(undefined, this);
+    });
+  }
+
+  /** Close this topology */
+  close(options?: CloseOptions, callback?: Callback): void {
+    if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    if (typeof options === 'boolean') {
+      options = { force: options };
+    }
+    options = options ?? {};
+
+    if (this.s.state === STATE_CLOSED || this.s.state === STATE_CLOSING) {
+      return callback?.();
+    }
+
+    const destroyedServers = Array.from(this.s.servers.values(), server => {
+      return promisify(destroyServer)(server, this, options);
+    });
+
+    Promise.all(destroyedServers)
+      .then(() => {
+        this.s.servers.clear();
+
+        stateTransition(this, STATE_CLOSING);
+
+        drainWaitQueue(this[kWaitQueue], new MongoTopologyClosedError());
+        drainTimerQueue(this.s.connectionTimers);
+
+        if (this.s.srvPoller) {
+          this.s.srvPoller.stop();
+          this.s.srvPoller.removeListener(SrvPoller.SRV_RECORD_DISCOVERY, this.s.detectSrvRecords);
+        }
+
+        this.removeListener(Topology.TOPOLOGY_DESCRIPTION_CHANGED, this.s.detectShardedTopology);
+
+        stateTransition(this, STATE_CLOSED);
+
+        // emit an event for close
+        this.emit(Topology.TOPOLOGY_CLOSED, new TopologyClosedEvent(this.s.id));
+      })
+      .finally(() => callback?.());
+  }
+
+  /**
+   * Selects a server according to the selection predicate provided
+   *
+   * @param selector - An optional selector to select servers by, defaults to a random selection within a latency window
+   * @param options - Optional settings related to server selection
+   * @param callback - The callback used to indicate success or failure
+   * @returns An instance of a `Server` meeting the criteria of the predicate provided
+   */
+  selectServer(
+    selector: string | ReadPreference | ServerSelector,
+    options: SelectServerOptions,
+    callback: Callback<Server>
+  ): void {
+    let serverSelector;
+    if (typeof selector !== 'function') {
+      if (typeof selector === 'string') {
+        serverSelector = readPreferenceServerSelector(ReadPreference.fromString(selector));
+      } else {
+        let readPreference;
+        if (selector instanceof ReadPreference) {
+          readPreference = selector;
+        } else {
+          ReadPreference.translate(options);
+          readPreference = options.readPreference || ReadPreference.primary;
+        }
+
+        serverSelector = readPreferenceServerSelector(readPreference as ReadPreference);
+      }
+    } else {
+      serverSelector = selector;
+    }
+
+    options = Object.assign(
+      {},
+      { serverSelectionTimeoutMS: this.s.serverSelectionTimeoutMS },
+      options
+    );
+
+    const isSharded = this.description.type === TopologyType.Sharded;
+    const session = options.session;
+    const transaction = session && session.transaction;
+
+    if (isSharded && transaction && transaction.server) {
+      callback(undefined, transaction.server);
+      return;
+    }
+
+    const waitQueueMember: ServerSelectionRequest = {
+      serverSelector,
+      transaction,
+      callback
+    };
+
+    const serverSelectionTimeoutMS = options.serverSelectionTimeoutMS;
+    if (serverSelectionTimeoutMS) {
+      waitQueueMember.timer = setTimeout(() => {
+        waitQueueMember[kCancelled] = true;
+        waitQueueMember.timer = undefined;
+        const timeoutError = new MongoServerSelectionError(
+          `Server selection timed out after ${serverSelectionTimeoutMS} ms`,
+          this.description
+        );
+
+        waitQueueMember.callback(timeoutError);
+      }, serverSelectionTimeoutMS);
+    }
+
+    this[kWaitQueue].push(waitQueueMember);
+    processWaitQueue(this);
+  }
+
+  // Sessions related methods
+
+  /**
+   * @returns Whether the topology should initiate selection to determine session support
+   */
+  shouldCheckForSessionSupport(): boolean {
+    if (this.description.type === TopologyType.Single) {
+      return !this.description.hasKnownServers;
+    }
+
+    return !this.description.hasDataBearingServers;
+  }
+
+  /**
+   * @returns Whether sessions are supported on the current topology
+   */
+  hasSessionSupport(): boolean {
+    return this.loadBalanced || this.description.logicalSessionTimeoutMinutes != null;
+  }
+
+  /**
+   * Update the internal TopologyDescription with a ServerDescription
+   *
+   * @param serverDescription - The server to update in the internal list of server descriptions
+   */
+  serverUpdateHandler(serverDescription: ServerDescription): void {
+    if (!this.s.description.hasServer(serverDescription.address)) {
+      return;
+    }
+
+    // ignore this server update if its from an outdated topologyVersion
+    if (isStaleServerDescription(this.s.description, serverDescription)) {
+      return;
+    }
+
+    // these will be used for monitoring events later
+    const previousTopologyDescription = this.s.description;
+    const previousServerDescription = this.s.description.servers.get(serverDescription.address);
+    if (!previousServerDescription) {
+      return;
+    }
+
+    // Driver Sessions Spec: "Whenever a driver receives a cluster time from
+    // a server it MUST compare it to the current highest seen cluster time
+    // for the deployment. If the new cluster time is higher than the
+    // highest seen cluster time it MUST become the new highest seen cluster
+    // time. Two cluster times are compared using only the BsonTimestamp
+    // value of the clusterTime embedded field."
+    const clusterTime = serverDescription.$clusterTime;
+    if (clusterTime) {
+      _advanceClusterTime(this, clusterTime);
+    }
+
+    // If we already know all the information contained in this updated description, then
+    // we don't need to emit SDAM events, but still need to update the description, in order
+    // to keep client-tracked attributes like last update time and round trip time up to date
+    const equalDescriptions =
+      previousServerDescription && previousServerDescription.equals(serverDescription);
+
+    // first update the TopologyDescription
+    this.s.description = this.s.description.update(serverDescription);
+    if (this.s.description.compatibilityError) {
+      this.emit(Topology.ERROR, new MongoCompatibilityError(this.s.description.compatibilityError));
+      return;
+    }
+
+    // emit monitoring events for this change
+    if (!equalDescriptions) {
+      const newDescription = this.s.description.servers.get(serverDescription.address);
+      if (newDescription) {
+        this.emit(
+          Topology.SERVER_DESCRIPTION_CHANGED,
+          new ServerDescriptionChangedEvent(
+            this.s.id,
+            serverDescription.address,
+            previousServerDescription,
+            newDescription
+          )
+        );
+      }
+    }
+
+    // update server list from updated descriptions
+    updateServers(this, serverDescription);
+
+    // attempt to resolve any outstanding server selection attempts
+    if (this[kWaitQueue].length > 0) {
+      processWaitQueue(this);
+    }
+
+    if (!equalDescriptions) {
+      this.emit(
+        Topology.TOPOLOGY_DESCRIPTION_CHANGED,
+        new TopologyDescriptionChangedEvent(
+          this.s.id,
+          previousTopologyDescription,
+          this.s.description
+        )
+      );
+    }
+  }
+
+  auth(credentials?: MongoCredentials, callback?: Callback): void {
+    if (typeof credentials === 'function') (callback = credentials), (credentials = undefined);
+    if (typeof callback === 'function') callback(undefined, true);
+  }
+
+  get clientMetadata(): ClientMetadata {
+    return this.s.options.metadata;
+  }
+
+  isConnected(): boolean {
+    return this.s.state === STATE_CONNECTED;
+  }
+
+  isDestroyed(): boolean {
+    return this.s.state === STATE_CLOSED;
+  }
+
+  /**
+   * @deprecated This function is deprecated and will be removed in the next major version.
+   */
+  unref(): void {
+    emitWarning('`unref` is a noop and will be removed in the next major version');
+  }
+
+  // NOTE: There are many places in code where we explicitly check the last hello
+  //       to do feature support detection. This should be done any other way, but for
+  //       now we will just return the first hello seen, which should suffice.
+  lastHello(): Document {
+    const serverDescriptions = Array.from(this.description.servers.values());
+    if (serverDescriptions.length === 0) return {};
+    const sd = serverDescriptions.filter(
+      (sd: ServerDescription) => sd.type !== ServerType.Unknown
+    )[0];
+
+    const result = sd || { maxWireVersion: this.description.commonWireVersion };
+    return result;
+  }
+
+  get commonWireVersion(): number | undefined {
+    return this.description.commonWireVersion;
+  }
+
+  get logicalSessionTimeoutMinutes(): number | null {
+    return this.description.logicalSessionTimeoutMinutes;
+  }
+
+  get clusterTime(): ClusterTime | undefined {
+    return this.s.clusterTime;
+  }
+
+  set clusterTime(clusterTime: ClusterTime | undefined) {
+    this.s.clusterTime = clusterTime;
+  }
+}
+
+/** Destroys a server, and removes all event listeners from the instance */
+function destroyServer(
+  server: Server,
+  topology: Topology,
+  options?: DestroyOptions,
+  callback?: Callback
+) {
+  options = options ?? {};
+  for (const event of LOCAL_SERVER_EVENTS) {
+    server.removeAllListeners(event);
+  }
+
+  server.destroy(options, () => {
+    topology.emit(
+      Topology.SERVER_CLOSED,
+      new ServerClosedEvent(topology.s.id, server.description.address)
+    );
+
+    for (const event of SERVER_RELAY_EVENTS) {
+      server.removeAllListeners(event);
+    }
+    if (typeof callback === 'function') {
+      callback();
+    }
+  });
+}
+
+/** Predicts the TopologyType from options */
+function topologyTypeFromOptions(options?: TopologyOptions) {
+  if (options?.directConnection) {
+    return TopologyType.Single;
+  }
+
+  if (options?.replicaSet) {
+    return TopologyType.ReplicaSetNoPrimary;
+  }
+
+  if (options?.loadBalanced) {
+    return TopologyType.LoadBalanced;
+  }
+
+  return TopologyType.Unknown;
+}
+
+/**
+ * Creates new server instances and attempts to connect them
+ *
+ * @param topology - The topology that this server belongs to
+ * @param serverDescription - The description for the server to initialize and connect to
+ */
+function createAndConnectServer(topology: Topology, serverDescription: ServerDescription) {
+  topology.emit(
+    Topology.SERVER_OPENING,
+    new ServerOpeningEvent(topology.s.id, serverDescription.address)
+  );
+
+  const server = new Server(topology, serverDescription, topology.s.options);
+  for (const event of SERVER_RELAY_EVENTS) {
+    server.on(event, (e: any) => topology.emit(event, e));
+  }
+
+  server.on(Server.DESCRIPTION_RECEIVED, description => topology.serverUpdateHandler(description));
+
+  server.connect();
+  return server;
+}
+
+/**
+ * @param topology - Topology to update.
+ * @param incomingServerDescription - New server description.
+ */
+function updateServers(topology: Topology, incomingServerDescription?: ServerDescription) {
+  // update the internal server's description
+  if (incomingServerDescription && topology.s.servers.has(incomingServerDescription.address)) {
+    const server = topology.s.servers.get(incomingServerDescription.address);
+    if (server) {
+      server.s.description = incomingServerDescription;
+    }
+  }
+
+  // add new servers for all descriptions we currently don't know about locally
+  for (const serverDescription of topology.description.servers.values()) {
+    if (!topology.s.servers.has(serverDescription.address)) {
+      const server = createAndConnectServer(topology, serverDescription);
+      topology.s.servers.set(serverDescription.address, server);
+    }
+  }
+
+  // for all servers no longer known, remove their descriptions and destroy their instances
+  for (const entry of topology.s.servers) {
+    const serverAddress = entry[0];
+    if (topology.description.hasServer(serverAddress)) {
+      continue;
+    }
+
+    if (!topology.s.servers.has(serverAddress)) {
+      continue;
+    }
+
+    const server = topology.s.servers.get(serverAddress);
+    topology.s.servers.delete(serverAddress);
+
+    // prepare server for garbage collection
+    if (server) {
+      destroyServer(server, topology);
+    }
+  }
+}
+
+function drainWaitQueue(queue: Denque<ServerSelectionRequest>, err?: MongoDriverError) {
+  while (queue.length) {
+    const waitQueueMember = queue.shift();
+    if (!waitQueueMember) {
+      continue;
+    }
+
+    if (waitQueueMember.timer) {
+      clearTimeout(waitQueueMember.timer);
+    }
+
+    if (!waitQueueMember[kCancelled]) {
+      waitQueueMember.callback(err);
+    }
+  }
+}
+
+function processWaitQueue(topology: Topology) {
+  if (topology.s.state === STATE_CLOSED) {
+    drainWaitQueue(topology[kWaitQueue], new MongoTopologyClosedError());
+    return;
+  }
+
+  const isSharded = topology.description.type === TopologyType.Sharded;
+  const serverDescriptions = Array.from(topology.description.servers.values());
+  const membersToProcess = topology[kWaitQueue].length;
+  for (let i = 0; i < membersToProcess; ++i) {
+    const waitQueueMember = topology[kWaitQueue].shift();
+    if (!waitQueueMember) {
+      continue;
+    }
+
+    if (waitQueueMember[kCancelled]) {
+      continue;
+    }
+
+    let selectedDescriptions;
+    try {
+      const serverSelector = waitQueueMember.serverSelector;
+      selectedDescriptions = serverSelector
+        ? serverSelector(topology.description, serverDescriptions)
+        : serverDescriptions;
+    } catch (e) {
+      if (waitQueueMember.timer) {
+        clearTimeout(waitQueueMember.timer);
+      }
+
+      waitQueueMember.callback(e);
+      continue;
+    }
+
+    let selectedServer;
+    if (selectedDescriptions.length === 0) {
+      topology[kWaitQueue].push(waitQueueMember);
+      continue;
+    } else if (selectedDescriptions.length === 1) {
+      selectedServer = topology.s.servers.get(selectedDescriptions[0].address);
+    } else {
+      // don't shuffle the array if there are only two elements
+      const descriptions =
+        selectedDescriptions.length === 2 ? selectedDescriptions : shuffle(selectedDescriptions, 2);
+      const server1 = topology.s.servers.get(descriptions[0].address);
+      const server2 = topology.s.servers.get(descriptions[1].address);
+
+      selectedServer =
+        server1 && server2 && server1.s.operationCount < server2.s.operationCount
+          ? server1
+          : server2;
+    }
+
+    if (!selectedServer) {
+      waitQueueMember.callback(
+        new MongoServerSelectionError(
+          'server selection returned a server description but the server was not found in the topology',
+          topology.description
+        )
+      );
+      return;
+    }
+    const transaction = waitQueueMember.transaction;
+    if (isSharded && transaction && transaction.isActive && selectedServer) {
+      transaction.pinServer(selectedServer);
+    }
+
+    if (waitQueueMember.timer) {
+      clearTimeout(waitQueueMember.timer);
+    }
+
+    waitQueueMember.callback(undefined, selectedServer);
+  }
+
+  if (topology[kWaitQueue].length > 0) {
+    // ensure all server monitors attempt monitoring soon
+    for (const [, server] of topology.s.servers) {
+      process.nextTick(function scheduleServerCheck() {
+        return server.requestCheck();
+      });
+    }
+  }
+}
+
+function isStaleServerDescription(
+  topologyDescription: TopologyDescription,
+  incomingServerDescription: ServerDescription
+) {
+  const currentServerDescription = topologyDescription.servers.get(
+    incomingServerDescription.address
+  );
+  const currentTopologyVersion = currentServerDescription?.topologyVersion;
+  return (
+    compareTopologyVersion(currentTopologyVersion, incomingServerDescription.topologyVersion) > 0
+  );
+}
+
+/** @public */
+export class ServerCapabilities {
+  maxWireVersion: number;
+  minWireVersion: number;
+
+  constructor(hello: Document) {
+    this.minWireVersion = hello.minWireVersion || 0;
+    this.maxWireVersion = hello.maxWireVersion || 0;
+  }
+
+  get hasAggregationCursor(): boolean {
+    return this.maxWireVersion >= 1;
+  }
+
+  get hasWriteCommands(): boolean {
+    return this.maxWireVersion >= 2;
+  }
+  get hasTextSearch(): boolean {
+    return this.minWireVersion >= 0;
+  }
+
+  get hasAuthCommands(): boolean {
+    return this.maxWireVersion >= 1;
+  }
+
+  get hasListCollectionsCommand(): boolean {
+    return this.maxWireVersion >= 3;
+  }
+
+  get hasListIndexesCommand(): boolean {
+    return this.maxWireVersion >= 3;
+  }
+
+  get supportsSnapshotReads(): boolean {
+    return this.maxWireVersion >= 13;
+  }
+
+  get commandsTakeWriteConcern(): boolean {
+    return this.maxWireVersion >= 5;
+  }
+
+  get commandsTakeCollation(): boolean {
+    return this.maxWireVersion >= 5;
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/sdam/topology_description.ts b/node_modules/mongoose/node_modules/mongodb/src/sdam/topology_description.ts
new file mode 100644
index 000000000..972680afd
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/sdam/topology_description.ts
@@ -0,0 +1,486 @@
+import type { ObjectId } from '../bson';
+import * as WIRE_CONSTANTS from '../cmap/wire_protocol/constants';
+import { MongoRuntimeError, MongoServerError } from '../error';
+import { compareObjectId, shuffle } from '../utils';
+import { ServerType, TopologyType } from './common';
+import { ServerDescription } from './server_description';
+import type { SrvPollingEvent } from './srv_polling';
+
+// constants related to compatibility checks
+const MIN_SUPPORTED_SERVER_VERSION = WIRE_CONSTANTS.MIN_SUPPORTED_SERVER_VERSION;
+const MAX_SUPPORTED_SERVER_VERSION = WIRE_CONSTANTS.MAX_SUPPORTED_SERVER_VERSION;
+const MIN_SUPPORTED_WIRE_VERSION = WIRE_CONSTANTS.MIN_SUPPORTED_WIRE_VERSION;
+const MAX_SUPPORTED_WIRE_VERSION = WIRE_CONSTANTS.MAX_SUPPORTED_WIRE_VERSION;
+
+const MONGOS_OR_UNKNOWN = new Set<ServerType>([ServerType.Mongos, ServerType.Unknown]);
+const MONGOS_OR_STANDALONE = new Set<ServerType>([ServerType.Mongos, ServerType.Standalone]);
+const NON_PRIMARY_RS_MEMBERS = new Set<ServerType>([
+  ServerType.RSSecondary,
+  ServerType.RSArbiter,
+  ServerType.RSOther
+]);
+
+/** @public */
+export interface TopologyDescriptionOptions {
+  heartbeatFrequencyMS?: number;
+  localThresholdMS?: number;
+}
+
+/**
+ * Representation of a deployment of servers
+ * @public
+ */
+export class TopologyDescription {
+  type: TopologyType;
+  setName: string | null;
+  maxSetVersion: number | null;
+  maxElectionId: ObjectId | null;
+  servers: Map<string, ServerDescription>;
+  stale: boolean;
+  compatible: boolean;
+  compatibilityError?: string;
+  logicalSessionTimeoutMinutes: number | null;
+  heartbeatFrequencyMS: number;
+  localThresholdMS: number;
+  commonWireVersion: number;
+
+  /**
+   * Create a TopologyDescription
+   */
+  constructor(
+    topologyType: TopologyType,
+    serverDescriptions: Map<string, ServerDescription> | null = null,
+    setName: string | null = null,
+    maxSetVersion: number | null = null,
+    maxElectionId: ObjectId | null = null,
+    commonWireVersion: number | null = null,
+    options: TopologyDescriptionOptions | null = null
+  ) {
+    options = options ?? {};
+
+    this.type = topologyType ?? TopologyType.Unknown;
+    this.servers = serverDescriptions ?? new Map();
+    this.stale = false;
+    this.compatible = true;
+    this.heartbeatFrequencyMS = options.heartbeatFrequencyMS ?? 0;
+    this.localThresholdMS = options.localThresholdMS ?? 15;
+    this.setName = setName ?? null;
+    this.maxElectionId = maxElectionId ?? null;
+    this.maxSetVersion = maxSetVersion ?? null;
+    this.commonWireVersion = commonWireVersion ?? 0;
+
+    // determine server compatibility
+    for (const serverDescription of this.servers.values()) {
+      // Load balancer mode is always compatible.
+      if (
+        serverDescription.type === ServerType.Unknown ||
+        serverDescription.type === ServerType.LoadBalancer
+      ) {
+        continue;
+      }
+
+      if (serverDescription.minWireVersion > MAX_SUPPORTED_WIRE_VERSION) {
+        this.compatible = false;
+        this.compatibilityError = `Server at ${serverDescription.address} requires wire version ${serverDescription.minWireVersion}, but this version of the driver only supports up to ${MAX_SUPPORTED_WIRE_VERSION} (MongoDB ${MAX_SUPPORTED_SERVER_VERSION})`;
+      }
+
+      if (serverDescription.maxWireVersion < MIN_SUPPORTED_WIRE_VERSION) {
+        this.compatible = false;
+        this.compatibilityError = `Server at ${serverDescription.address} reports wire version ${serverDescription.maxWireVersion}, but this version of the driver requires at least ${MIN_SUPPORTED_WIRE_VERSION} (MongoDB ${MIN_SUPPORTED_SERVER_VERSION}).`;
+        break;
+      }
+    }
+
+    // Whenever a client updates the TopologyDescription from a hello response, it MUST set
+    // TopologyDescription.logicalSessionTimeoutMinutes to the smallest logicalSessionTimeoutMinutes
+    // value among ServerDescriptions of all data-bearing server types. If any have a null
+    // logicalSessionTimeoutMinutes, then TopologyDescription.logicalSessionTimeoutMinutes MUST be
+    // set to null.
+    this.logicalSessionTimeoutMinutes = null;
+    for (const [, server] of this.servers) {
+      if (server.isReadable) {
+        if (server.logicalSessionTimeoutMinutes == null) {
+          // If any of the servers have a null logicalSessionsTimeout, then the whole topology does
+          this.logicalSessionTimeoutMinutes = null;
+          break;
+        }
+
+        if (this.logicalSessionTimeoutMinutes == null) {
+          // First server with a non null logicalSessionsTimeout
+          this.logicalSessionTimeoutMinutes = server.logicalSessionTimeoutMinutes;
+          continue;
+        }
+
+        // Always select the smaller of the:
+        // current server logicalSessionsTimeout and the topologies logicalSessionsTimeout
+        this.logicalSessionTimeoutMinutes = Math.min(
+          this.logicalSessionTimeoutMinutes,
+          server.logicalSessionTimeoutMinutes
+        );
+      }
+    }
+  }
+
+  /**
+   * Returns a new TopologyDescription based on the SrvPollingEvent
+   * @internal
+   */
+  updateFromSrvPollingEvent(ev: SrvPollingEvent, srvMaxHosts = 0): TopologyDescription {
+    /** The SRV addresses defines the set of addresses we should be using */
+    const incomingHostnames = ev.hostnames();
+    const currentHostnames = new Set(this.servers.keys());
+
+    const hostnamesToAdd = new Set<string>(incomingHostnames);
+    const hostnamesToRemove = new Set<string>();
+    for (const hostname of currentHostnames) {
+      // filter hostnamesToAdd (made from incomingHostnames) down to what is *not* present in currentHostnames
+      hostnamesToAdd.delete(hostname);
+      if (!incomingHostnames.has(hostname)) {
+        // If the SRV Records no longer include this hostname
+        // we have to stop using it
+        hostnamesToRemove.add(hostname);
+      }
+    }
+
+    if (hostnamesToAdd.size === 0 && hostnamesToRemove.size === 0) {
+      // No new hosts to add and none to remove
+      return this;
+    }
+
+    const serverDescriptions = new Map(this.servers);
+    for (const removedHost of hostnamesToRemove) {
+      serverDescriptions.delete(removedHost);
+    }
+
+    if (hostnamesToAdd.size > 0) {
+      if (srvMaxHosts === 0) {
+        // Add all!
+        for (const hostToAdd of hostnamesToAdd) {
+          serverDescriptions.set(hostToAdd, new ServerDescription(hostToAdd));
+        }
+      } else if (serverDescriptions.size < srvMaxHosts) {
+        // Add only the amount needed to get us back to srvMaxHosts
+        const selectedHosts = shuffle(hostnamesToAdd, srvMaxHosts - serverDescriptions.size);
+        for (const selectedHostToAdd of selectedHosts) {
+          serverDescriptions.set(selectedHostToAdd, new ServerDescription(selectedHostToAdd));
+        }
+      }
+    }
+
+    return new TopologyDescription(
+      this.type,
+      serverDescriptions,
+      this.setName,
+      this.maxSetVersion,
+      this.maxElectionId,
+      this.commonWireVersion,
+      { heartbeatFrequencyMS: this.heartbeatFrequencyMS, localThresholdMS: this.localThresholdMS }
+    );
+  }
+
+  /**
+   * Returns a copy of this description updated with a given ServerDescription
+   * @internal
+   */
+  update(serverDescription: ServerDescription): TopologyDescription {
+    const address = serverDescription.address;
+
+    // potentially mutated values
+    let { type: topologyType, setName, maxSetVersion, maxElectionId, commonWireVersion } = this;
+
+    const serverType = serverDescription.type;
+    const serverDescriptions = new Map(this.servers);
+
+    // update common wire version
+    if (serverDescription.maxWireVersion !== 0) {
+      if (commonWireVersion == null) {
+        commonWireVersion = serverDescription.maxWireVersion;
+      } else {
+        commonWireVersion = Math.min(commonWireVersion, serverDescription.maxWireVersion);
+      }
+    }
+
+    if (
+      typeof serverDescription.setName === 'string' &&
+      typeof setName === 'string' &&
+      serverDescription.setName !== setName
+    ) {
+      if (topologyType === TopologyType.Single) {
+        // "Single" Topology with setName mismatch is direct connection usage, mark unknown do not remove
+        serverDescription = new ServerDescription(address);
+      } else {
+        serverDescriptions.delete(address);
+      }
+    }
+
+    // update the actual server description
+    serverDescriptions.set(address, serverDescription);
+
+    if (topologyType === TopologyType.Single) {
+      // once we are defined as single, that never changes
+      return new TopologyDescription(
+        TopologyType.Single,
+        serverDescriptions,
+        setName,
+        maxSetVersion,
+        maxElectionId,
+        commonWireVersion,
+        { heartbeatFrequencyMS: this.heartbeatFrequencyMS, localThresholdMS: this.localThresholdMS }
+      );
+    }
+
+    if (topologyType === TopologyType.Unknown) {
+      if (serverType === ServerType.Standalone && this.servers.size !== 1) {
+        serverDescriptions.delete(address);
+      } else {
+        topologyType = topologyTypeForServerType(serverType);
+      }
+    }
+
+    if (topologyType === TopologyType.Sharded) {
+      if (!MONGOS_OR_UNKNOWN.has(serverType)) {
+        serverDescriptions.delete(address);
+      }
+    }
+
+    if (topologyType === TopologyType.ReplicaSetNoPrimary) {
+      if (MONGOS_OR_STANDALONE.has(serverType)) {
+        serverDescriptions.delete(address);
+      }
+
+      if (serverType === ServerType.RSPrimary) {
+        const result = updateRsFromPrimary(
+          serverDescriptions,
+          serverDescription,
+          setName,
+          maxSetVersion,
+          maxElectionId
+        );
+
+        topologyType = result[0];
+        setName = result[1];
+        maxSetVersion = result[2];
+        maxElectionId = result[3];
+      } else if (NON_PRIMARY_RS_MEMBERS.has(serverType)) {
+        const result = updateRsNoPrimaryFromMember(serverDescriptions, serverDescription, setName);
+        topologyType = result[0];
+        setName = result[1];
+      }
+    }
+
+    if (topologyType === TopologyType.ReplicaSetWithPrimary) {
+      if (MONGOS_OR_STANDALONE.has(serverType)) {
+        serverDescriptions.delete(address);
+        topologyType = checkHasPrimary(serverDescriptions);
+      } else if (serverType === ServerType.RSPrimary) {
+        const result = updateRsFromPrimary(
+          serverDescriptions,
+          serverDescription,
+          setName,
+          maxSetVersion,
+          maxElectionId
+        );
+
+        topologyType = result[0];
+        setName = result[1];
+        maxSetVersion = result[2];
+        maxElectionId = result[3];
+      } else if (NON_PRIMARY_RS_MEMBERS.has(serverType)) {
+        topologyType = updateRsWithPrimaryFromMember(
+          serverDescriptions,
+          serverDescription,
+          setName
+        );
+      } else {
+        topologyType = checkHasPrimary(serverDescriptions);
+      }
+    }
+
+    return new TopologyDescription(
+      topologyType,
+      serverDescriptions,
+      setName,
+      maxSetVersion,
+      maxElectionId,
+      commonWireVersion,
+      { heartbeatFrequencyMS: this.heartbeatFrequencyMS, localThresholdMS: this.localThresholdMS }
+    );
+  }
+
+  get error(): MongoServerError | null {
+    const descriptionsWithError = Array.from(this.servers.values()).filter(
+      (sd: ServerDescription) => sd.error
+    );
+
+    if (descriptionsWithError.length > 0) {
+      return descriptionsWithError[0].error;
+    }
+
+    return null;
+  }
+
+  /**
+   * Determines if the topology description has any known servers
+   */
+  get hasKnownServers(): boolean {
+    return Array.from(this.servers.values()).some(
+      (sd: ServerDescription) => sd.type !== ServerType.Unknown
+    );
+  }
+
+  /**
+   * Determines if this topology description has a data-bearing server available.
+   */
+  get hasDataBearingServers(): boolean {
+    return Array.from(this.servers.values()).some((sd: ServerDescription) => sd.isDataBearing);
+  }
+
+  /**
+   * Determines if the topology has a definition for the provided address
+   * @internal
+   */
+  hasServer(address: string): boolean {
+    return this.servers.has(address);
+  }
+}
+
+function topologyTypeForServerType(serverType: ServerType): TopologyType {
+  switch (serverType) {
+    case ServerType.Standalone:
+      return TopologyType.Single;
+    case ServerType.Mongos:
+      return TopologyType.Sharded;
+    case ServerType.RSPrimary:
+      return TopologyType.ReplicaSetWithPrimary;
+    case ServerType.RSOther:
+    case ServerType.RSSecondary:
+      return TopologyType.ReplicaSetNoPrimary;
+    default:
+      return TopologyType.Unknown;
+  }
+}
+
+function updateRsFromPrimary(
+  serverDescriptions: Map<string, ServerDescription>,
+  serverDescription: ServerDescription,
+  setName: string | null = null,
+  maxSetVersion: number | null = null,
+  maxElectionId: ObjectId | null = null
+): [TopologyType, string | null, number | null, ObjectId | null] {
+  setName = setName || serverDescription.setName;
+  if (setName !== serverDescription.setName) {
+    serverDescriptions.delete(serverDescription.address);
+    return [checkHasPrimary(serverDescriptions), setName, maxSetVersion, maxElectionId];
+  }
+
+  const electionId = serverDescription.electionId ? serverDescription.electionId : null;
+  if (serverDescription.setVersion && electionId) {
+    if (maxSetVersion && maxElectionId) {
+      if (
+        maxSetVersion > serverDescription.setVersion ||
+        compareObjectId(maxElectionId, electionId) > 0
+      ) {
+        // this primary is stale, we must remove it
+        serverDescriptions.set(
+          serverDescription.address,
+          new ServerDescription(serverDescription.address)
+        );
+
+        return [checkHasPrimary(serverDescriptions), setName, maxSetVersion, maxElectionId];
+      }
+    }
+
+    maxElectionId = serverDescription.electionId;
+  }
+
+  if (
+    serverDescription.setVersion != null &&
+    (maxSetVersion == null || serverDescription.setVersion > maxSetVersion)
+  ) {
+    maxSetVersion = serverDescription.setVersion;
+  }
+
+  // We've heard from the primary. Is it the same primary as before?
+  for (const [address, server] of serverDescriptions) {
+    if (server.type === ServerType.RSPrimary && server.address !== serverDescription.address) {
+      // Reset old primary's type to Unknown.
+      serverDescriptions.set(address, new ServerDescription(server.address));
+
+      // There can only be one primary
+      break;
+    }
+  }
+
+  // Discover new hosts from this primary's response.
+  serverDescription.allHosts.forEach((address: string) => {
+    if (!serverDescriptions.has(address)) {
+      serverDescriptions.set(address, new ServerDescription(address));
+    }
+  });
+
+  // Remove hosts not in the response.
+  const currentAddresses = Array.from(serverDescriptions.keys());
+  const responseAddresses = serverDescription.allHosts;
+  currentAddresses
+    .filter((addr: string) => responseAddresses.indexOf(addr) === -1)
+    .forEach((address: string) => {
+      serverDescriptions.delete(address);
+    });
+
+  return [checkHasPrimary(serverDescriptions), setName, maxSetVersion, maxElectionId];
+}
+
+function updateRsWithPrimaryFromMember(
+  serverDescriptions: Map<string, ServerDescription>,
+  serverDescription: ServerDescription,
+  setName: string | null = null
+): TopologyType {
+  if (setName == null) {
+    // TODO(NODE-3483): should be an appropriate runtime error
+    throw new MongoRuntimeError('Argument "setName" is required if connected to a replica set');
+  }
+
+  if (
+    setName !== serverDescription.setName ||
+    (serverDescription.me && serverDescription.address !== serverDescription.me)
+  ) {
+    serverDescriptions.delete(serverDescription.address);
+  }
+
+  return checkHasPrimary(serverDescriptions);
+}
+
+function updateRsNoPrimaryFromMember(
+  serverDescriptions: Map<string, ServerDescription>,
+  serverDescription: ServerDescription,
+  setName: string | null = null
+): [TopologyType, string | null] {
+  const topologyType = TopologyType.ReplicaSetNoPrimary;
+  setName = setName ?? serverDescription.setName;
+  if (setName !== serverDescription.setName) {
+    serverDescriptions.delete(serverDescription.address);
+    return [topologyType, setName];
+  }
+
+  serverDescription.allHosts.forEach((address: string) => {
+    if (!serverDescriptions.has(address)) {
+      serverDescriptions.set(address, new ServerDescription(address));
+    }
+  });
+
+  if (serverDescription.me && serverDescription.address !== serverDescription.me) {
+    serverDescriptions.delete(serverDescription.address);
+  }
+
+  return [topologyType, setName];
+}
+
+function checkHasPrimary(serverDescriptions: Map<string, ServerDescription>): TopologyType {
+  for (const serverDescription of serverDescriptions.values()) {
+    if (serverDescription.type === ServerType.RSPrimary) {
+      return TopologyType.ReplicaSetWithPrimary;
+    }
+  }
+
+  return TopologyType.ReplicaSetNoPrimary;
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/sessions.ts b/node_modules/mongoose/node_modules/mongodb/src/sessions.ts
new file mode 100644
index 000000000..8167bced7
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/sessions.ts
@@ -0,0 +1,1075 @@
+import { Binary, Document, Long, Timestamp } from './bson';
+import type { CommandOptions, Connection } from './cmap/connection';
+import { ConnectionPoolMetrics } from './cmap/metrics';
+import { isSharded } from './cmap/wire_protocol/shared';
+import { PINNED, UNPINNED } from './constants';
+import type { AbstractCursor } from './cursor/abstract_cursor';
+import {
+  AnyError,
+  MongoAPIError,
+  MongoCompatibilityError,
+  MONGODB_ERROR_CODES,
+  MongoDriverError,
+  MongoError,
+  MongoErrorLabel,
+  MongoExpiredSessionError,
+  MongoInvalidArgumentError,
+  MongoRuntimeError,
+  MongoServerError,
+  MongoTransactionError,
+  MongoWriteConcernError
+} from './error';
+import type { MongoClient, MongoOptions } from './mongo_client';
+import { TypedEventEmitter } from './mongo_types';
+import { executeOperation } from './operations/execute_operation';
+import { RunAdminCommandOperation } from './operations/run_command';
+import { PromiseProvider } from './promise_provider';
+import { ReadConcernLevel } from './read_concern';
+import { ReadPreference } from './read_preference';
+import { _advanceClusterTime, ClusterTime, TopologyType } from './sdam/common';
+import { isTransactionCommand, Transaction, TransactionOptions, TxnState } from './transactions';
+import {
+  calculateDurationInMs,
+  Callback,
+  commandSupportsReadConcern,
+  isPromiseLike,
+  maxWireVersion,
+  maybePromise,
+  now,
+  uuidV4
+} from './utils';
+
+const minWireVersionForShardedTransactions = 8;
+
+/** @public */
+export interface ClientSessionOptions {
+  /** Whether causal consistency should be enabled on this session */
+  causalConsistency?: boolean;
+  /** Whether all read operations should be read from the same snapshot for this session (NOTE: not compatible with `causalConsistency=true`) */
+  snapshot?: boolean;
+  /** The default TransactionOptions to use for transactions started on this session. */
+  defaultTransactionOptions?: TransactionOptions;
+
+  /** @internal */
+  owner?: symbol | AbstractCursor;
+  /** @internal */
+  explicit?: boolean;
+  /** @internal */
+  initialClusterTime?: ClusterTime;
+}
+
+/** @public */
+export type WithTransactionCallback<T = void> = (session: ClientSession) => Promise<T>;
+
+/** @public */
+export type ClientSessionEvents = {
+  ended(session: ClientSession): void;
+};
+
+/** @internal */
+const kServerSession = Symbol('serverSession');
+/** @internal */
+const kSnapshotTime = Symbol('snapshotTime');
+/** @internal */
+const kSnapshotEnabled = Symbol('snapshotEnabled');
+/** @internal */
+const kPinnedConnection = Symbol('pinnedConnection');
+/** @internal Accumulates total number of increments to add to txnNumber when applying session to command */
+const kTxnNumberIncrement = Symbol('txnNumberIncrement');
+
+/** @public */
+export interface EndSessionOptions {
+  /**
+   * An optional error which caused the call to end this session
+   * @internal
+   */
+  error?: AnyError;
+  force?: boolean;
+  forceClear?: boolean;
+}
+
+/**
+ * A class representing a client session on the server
+ *
+ * NOTE: not meant to be instantiated directly.
+ * @public
+ */
+export class ClientSession extends TypedEventEmitter<ClientSessionEvents> {
+  /** @internal */
+  client: MongoClient;
+  /** @internal */
+  sessionPool: ServerSessionPool;
+  hasEnded: boolean;
+  clientOptions?: MongoOptions;
+  supports: { causalConsistency: boolean };
+  clusterTime?: ClusterTime;
+  operationTime?: Timestamp;
+  explicit: boolean;
+  /** @internal */
+  owner?: symbol | AbstractCursor;
+  defaultTransactionOptions: TransactionOptions;
+  transaction: Transaction;
+  /** @internal */
+  [kServerSession]: ServerSession | null;
+  /** @internal */
+  [kSnapshotTime]?: Timestamp;
+  /** @internal */
+  [kSnapshotEnabled] = false;
+  /** @internal */
+  [kPinnedConnection]?: Connection;
+  /** @internal */
+  [kTxnNumberIncrement]: number;
+
+  /**
+   * Create a client session.
+   * @internal
+   * @param client - The current client
+   * @param sessionPool - The server session pool (Internal Class)
+   * @param options - Optional settings
+   * @param clientOptions - Optional settings provided when creating a MongoClient
+   */
+  constructor(
+    client: MongoClient,
+    sessionPool: ServerSessionPool,
+    options: ClientSessionOptions,
+    clientOptions?: MongoOptions
+  ) {
+    super();
+
+    if (client == null) {
+      // TODO(NODE-3483)
+      throw new MongoRuntimeError('ClientSession requires a MongoClient');
+    }
+
+    if (sessionPool == null || !(sessionPool instanceof ServerSessionPool)) {
+      // TODO(NODE-3483)
+      throw new MongoRuntimeError('ClientSession requires a ServerSessionPool');
+    }
+
+    options = options ?? {};
+
+    if (options.snapshot === true) {
+      this[kSnapshotEnabled] = true;
+      if (options.causalConsistency === true) {
+        throw new MongoInvalidArgumentError(
+          'Properties "causalConsistency" and "snapshot" are mutually exclusive'
+        );
+      }
+    }
+
+    this.client = client;
+    this.sessionPool = sessionPool;
+    this.hasEnded = false;
+    this.clientOptions = clientOptions;
+
+    this.explicit = !!options.explicit;
+    this[kServerSession] = this.explicit ? this.sessionPool.acquire() : null;
+    this[kTxnNumberIncrement] = 0;
+
+    this.supports = {
+      causalConsistency: options.snapshot !== true && options.causalConsistency !== false
+    };
+
+    this.clusterTime = options.initialClusterTime;
+
+    this.operationTime = undefined;
+    this.owner = options.owner;
+    this.defaultTransactionOptions = Object.assign({}, options.defaultTransactionOptions);
+    this.transaction = new Transaction();
+  }
+
+  /** The server id associated with this session */
+  get id(): ServerSessionId | undefined {
+    return this[kServerSession]?.id;
+  }
+
+  get serverSession(): ServerSession {
+    let serverSession = this[kServerSession];
+    if (serverSession == null) {
+      if (this.explicit) {
+        throw new MongoRuntimeError('Unexpected null serverSession for an explicit session');
+      }
+      if (this.hasEnded) {
+        throw new MongoRuntimeError('Unexpected null serverSession for an ended implicit session');
+      }
+      serverSession = this.sessionPool.acquire();
+      this[kServerSession] = serverSession;
+    }
+    return serverSession;
+  }
+
+  /** Whether or not this session is configured for snapshot reads */
+  get snapshotEnabled(): boolean {
+    return this[kSnapshotEnabled];
+  }
+
+  get loadBalanced(): boolean {
+    return this.client.topology?.description.type === TopologyType.LoadBalanced;
+  }
+
+  /** @internal */
+  get pinnedConnection(): Connection | undefined {
+    return this[kPinnedConnection];
+  }
+
+  /** @internal */
+  pin(conn: Connection): void {
+    if (this[kPinnedConnection]) {
+      throw TypeError('Cannot pin multiple connections to the same session');
+    }
+
+    this[kPinnedConnection] = conn;
+    conn.emit(
+      PINNED,
+      this.inTransaction() ? ConnectionPoolMetrics.TXN : ConnectionPoolMetrics.CURSOR
+    );
+  }
+
+  /** @internal */
+  unpin(options?: { force?: boolean; forceClear?: boolean; error?: AnyError }): void {
+    if (this.loadBalanced) {
+      return maybeClearPinnedConnection(this, options);
+    }
+
+    this.transaction.unpinServer();
+  }
+
+  get isPinned(): boolean {
+    return this.loadBalanced ? !!this[kPinnedConnection] : this.transaction.isPinned;
+  }
+
+  /**
+   * Ends this session on the server
+   *
+   * @param options - Optional settings. Currently reserved for future use
+   * @param callback - Optional callback for completion of this operation
+   */
+  endSession(): Promise<void>;
+  endSession(callback: Callback<void>): void;
+  endSession(options: EndSessionOptions): Promise<void>;
+  endSession(options: EndSessionOptions, callback: Callback<void>): void;
+  endSession(
+    options?: EndSessionOptions | Callback<void>,
+    callback?: Callback<void>
+  ): void | Promise<void> {
+    if (typeof options === 'function') (callback = options), (options = {});
+    const finalOptions = { force: true, ...options };
+
+    return maybePromise(callback, done => {
+      if (this.hasEnded) {
+        maybeClearPinnedConnection(this, finalOptions);
+        return done();
+      }
+
+      const completeEndSession = () => {
+        maybeClearPinnedConnection(this, finalOptions);
+
+        const serverSession = this[kServerSession];
+        if (serverSession != null) {
+          // release the server session back to the pool
+          this.sessionPool.release(serverSession);
+          // Make sure a new serverSession never makes it onto this ClientSession
+          Object.defineProperty(this, kServerSession, {
+            value: ServerSession.clone(serverSession),
+            writable: false
+          });
+        }
+
+        // mark the session as ended, and emit a signal
+        this.hasEnded = true;
+        this.emit('ended', this);
+
+        // spec indicates that we should ignore all errors for `endSessions`
+        done();
+      };
+
+      if (this.inTransaction()) {
+        // If we've reached endSession and the transaction is still active
+        // by default we abort it
+        this.abortTransaction(err => {
+          if (err) return done(err);
+          completeEndSession();
+        });
+
+        return;
+      }
+
+      completeEndSession();
+    });
+  }
+
+  /**
+   * Advances the operationTime for a ClientSession.
+   *
+   * @param operationTime - the `BSON.Timestamp` of the operation type it is desired to advance to
+   */
+  advanceOperationTime(operationTime: Timestamp): void {
+    if (this.operationTime == null) {
+      this.operationTime = operationTime;
+      return;
+    }
+
+    if (operationTime.greaterThan(this.operationTime)) {
+      this.operationTime = operationTime;
+    }
+  }
+
+  /**
+   * Advances the clusterTime for a ClientSession to the provided clusterTime of another ClientSession
+   *
+   * @param clusterTime - the $clusterTime returned by the server from another session in the form of a document containing the `BSON.Timestamp` clusterTime and signature
+   */
+  advanceClusterTime(clusterTime: ClusterTime): void {
+    if (!clusterTime || typeof clusterTime !== 'object') {
+      throw new MongoInvalidArgumentError('input cluster time must be an object');
+    }
+    if (!clusterTime.clusterTime || clusterTime.clusterTime._bsontype !== 'Timestamp') {
+      throw new MongoInvalidArgumentError(
+        'input cluster time "clusterTime" property must be a valid BSON Timestamp'
+      );
+    }
+    if (
+      !clusterTime.signature ||
+      clusterTime.signature.hash?._bsontype !== 'Binary' ||
+      (typeof clusterTime.signature.keyId !== 'number' &&
+        clusterTime.signature.keyId?._bsontype !== 'Long') // apparently we decode the key to number?
+    ) {
+      throw new MongoInvalidArgumentError(
+        'input cluster time must have a valid "signature" property with BSON Binary hash and BSON Long keyId'
+      );
+    }
+
+    _advanceClusterTime(this, clusterTime);
+  }
+
+  /**
+   * Used to determine if this session equals another
+   *
+   * @param session - The session to compare to
+   */
+  equals(session: ClientSession): boolean {
+    if (!(session instanceof ClientSession)) {
+      return false;
+    }
+
+    if (this.id == null || session.id == null) {
+      return false;
+    }
+
+    return this.id.id.buffer.equals(session.id.id.buffer);
+  }
+
+  /**
+   * Increment the transaction number on the internal ServerSession
+   *
+   * @privateRemarks
+   * This helper increments a value stored on the client session that will be
+   * added to the serverSession's txnNumber upon applying it to a command.
+   * This is because the serverSession is lazily acquired after a connection is obtained
+   */
+  incrementTransactionNumber(): void {
+    this[kTxnNumberIncrement] += 1;
+  }
+
+  /** @returns whether this session is currently in a transaction or not */
+  inTransaction(): boolean {
+    return this.transaction.isActive;
+  }
+
+  /**
+   * Starts a new transaction with the given options.
+   *
+   * @param options - Options for the transaction
+   */
+  startTransaction(options?: TransactionOptions): void {
+    if (this[kSnapshotEnabled]) {
+      throw new MongoCompatibilityError('Transactions are not supported in snapshot sessions');
+    }
+
+    if (this.inTransaction()) {
+      throw new MongoTransactionError('Transaction already in progress');
+    }
+
+    if (this.isPinned && this.transaction.isCommitted) {
+      this.unpin();
+    }
+
+    const topologyMaxWireVersion = maxWireVersion(this.client.topology);
+    if (
+      isSharded(this.client.topology) &&
+      topologyMaxWireVersion != null &&
+      topologyMaxWireVersion < minWireVersionForShardedTransactions
+    ) {
+      throw new MongoCompatibilityError(
+        'Transactions are not supported on sharded clusters in MongoDB < 4.2.'
+      );
+    }
+
+    // increment txnNumber
+    this.incrementTransactionNumber();
+    // create transaction state
+    this.transaction = new Transaction({
+      readConcern:
+        options?.readConcern ??
+        this.defaultTransactionOptions.readConcern ??
+        this.clientOptions?.readConcern,
+      writeConcern:
+        options?.writeConcern ??
+        this.defaultTransactionOptions.writeConcern ??
+        this.clientOptions?.writeConcern,
+      readPreference:
+        options?.readPreference ??
+        this.defaultTransactionOptions.readPreference ??
+        this.clientOptions?.readPreference,
+      maxCommitTimeMS: options?.maxCommitTimeMS ?? this.defaultTransactionOptions.maxCommitTimeMS
+    });
+
+    this.transaction.transition(TxnState.STARTING_TRANSACTION);
+  }
+
+  /**
+   * Commits the currently active transaction in this session.
+   *
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  commitTransaction(): Promise<Document>;
+  commitTransaction(callback: Callback<Document>): void;
+  commitTransaction(callback?: Callback<Document>): Promise<Document> | void {
+    return maybePromise(callback, cb => endTransaction(this, 'commitTransaction', cb));
+  }
+
+  /**
+   * Aborts the currently active transaction in this session.
+   *
+   * @param callback - An optional callback, a Promise will be returned if none is provided
+   */
+  abortTransaction(): Promise<Document>;
+  abortTransaction(callback: Callback<Document>): void;
+  abortTransaction(callback?: Callback<Document>): Promise<Document> | void {
+    return maybePromise(callback, cb => endTransaction(this, 'abortTransaction', cb));
+  }
+
+  /**
+   * This is here to ensure that ClientSession is never serialized to BSON.
+   */
+  toBSON(): never {
+    throw new MongoRuntimeError('ClientSession cannot be serialized to BSON.');
+  }
+
+  /**
+   * Runs a provided callback within a transaction, retrying either the commitTransaction operation
+   * or entire transaction as needed (and when the error permits) to better ensure that
+   * the transaction can complete successfully.
+   *
+   * **IMPORTANT:** This method requires the user to return a Promise, and `await` all operations.
+   * Any callbacks that do not return a Promise will result in undefined behavior.
+   *
+   * @remarks
+   * This function:
+   * - Will return the command response from the final commitTransaction if every operation is successful (can be used as a truthy object)
+   * - Will return `undefined` if the transaction is explicitly aborted with `await session.abortTransaction()`
+   * - Will throw if one of the operations throws or `throw` statement is used inside the `withTransaction` callback
+   *
+   * Checkout a descriptive example here:
+   * @see https://www.mongodb.com/developer/quickstart/node-transactions/
+   *
+   * @param fn - callback to run within a transaction
+   * @param options - optional settings for the transaction
+   * @returns A raw command response or undefined
+   */
+  withTransaction<T = void>(
+    fn: WithTransactionCallback<T>,
+    options?: TransactionOptions
+  ): Promise<Document | undefined> {
+    const startTime = now();
+    return attemptTransaction(this, startTime, fn, options);
+  }
+}
+
+const MAX_WITH_TRANSACTION_TIMEOUT = 120000;
+const NON_DETERMINISTIC_WRITE_CONCERN_ERRORS = new Set([
+  'CannotSatisfyWriteConcern',
+  'UnknownReplWriteConcern',
+  'UnsatisfiableWriteConcern'
+]);
+
+function hasNotTimedOut(startTime: number, max: number) {
+  return calculateDurationInMs(startTime) < max;
+}
+
+function isUnknownTransactionCommitResult(err: MongoError) {
+  const isNonDeterministicWriteConcernError =
+    err instanceof MongoServerError &&
+    err.codeName &&
+    NON_DETERMINISTIC_WRITE_CONCERN_ERRORS.has(err.codeName);
+
+  return (
+    isMaxTimeMSExpiredError(err) ||
+    (!isNonDeterministicWriteConcernError &&
+      err.code !== MONGODB_ERROR_CODES.UnsatisfiableWriteConcern &&
+      err.code !== MONGODB_ERROR_CODES.UnknownReplWriteConcern)
+  );
+}
+
+export function maybeClearPinnedConnection(
+  session: ClientSession,
+  options?: EndSessionOptions
+): void {
+  // unpin a connection if it has been pinned
+  const conn = session[kPinnedConnection];
+  const error = options?.error;
+
+  if (
+    session.inTransaction() &&
+    error &&
+    error instanceof MongoError &&
+    error.hasErrorLabel(MongoErrorLabel.TransientTransactionError)
+  ) {
+    return;
+  }
+
+  const topology = session.client.topology;
+  // NOTE: the spec talks about what to do on a network error only, but the tests seem to
+  //       to validate that we don't unpin on _all_ errors?
+  if (conn && topology != null) {
+    const servers = Array.from(topology.s.servers.values());
+    const loadBalancer = servers[0];
+
+    if (options?.error == null || options?.force) {
+      loadBalancer.s.pool.checkIn(conn);
+      conn.emit(
+        UNPINNED,
+        session.transaction.state !== TxnState.NO_TRANSACTION
+          ? ConnectionPoolMetrics.TXN
+          : ConnectionPoolMetrics.CURSOR
+      );
+
+      if (options?.forceClear) {
+        loadBalancer.s.pool.clear(conn.serviceId);
+      }
+    }
+
+    session[kPinnedConnection] = undefined;
+  }
+}
+
+function isMaxTimeMSExpiredError(err: MongoError) {
+  if (err == null || !(err instanceof MongoServerError)) {
+    return false;
+  }
+
+  return (
+    err.code === MONGODB_ERROR_CODES.MaxTimeMSExpired ||
+    (err.writeConcernError && err.writeConcernError.code === MONGODB_ERROR_CODES.MaxTimeMSExpired)
+  );
+}
+
+function attemptTransactionCommit<T>(
+  session: ClientSession,
+  startTime: number,
+  fn: WithTransactionCallback<T>,
+  options?: TransactionOptions
+): Promise<T> {
+  return session.commitTransaction().catch((err: MongoError) => {
+    if (
+      err instanceof MongoError &&
+      hasNotTimedOut(startTime, MAX_WITH_TRANSACTION_TIMEOUT) &&
+      !isMaxTimeMSExpiredError(err)
+    ) {
+      if (err.hasErrorLabel(MongoErrorLabel.UnknownTransactionCommitResult)) {
+        return attemptTransactionCommit(session, startTime, fn, options);
+      }
+
+      if (err.hasErrorLabel(MongoErrorLabel.TransientTransactionError)) {
+        return attemptTransaction(session, startTime, fn, options);
+      }
+    }
+
+    throw err;
+  });
+}
+
+const USER_EXPLICIT_TXN_END_STATES = new Set<TxnState>([
+  TxnState.NO_TRANSACTION,
+  TxnState.TRANSACTION_COMMITTED,
+  TxnState.TRANSACTION_ABORTED
+]);
+
+function userExplicitlyEndedTransaction(session: ClientSession) {
+  return USER_EXPLICIT_TXN_END_STATES.has(session.transaction.state);
+}
+
+function attemptTransaction<TSchema>(
+  session: ClientSession,
+  startTime: number,
+  fn: WithTransactionCallback<TSchema>,
+  options?: TransactionOptions
+): Promise<any> {
+  const Promise = PromiseProvider.get();
+  session.startTransaction(options);
+
+  let promise;
+  try {
+    promise = fn(session);
+  } catch (err) {
+    promise = Promise.reject(err);
+  }
+
+  if (!isPromiseLike(promise)) {
+    session.abortTransaction().catch(() => null);
+    throw new MongoInvalidArgumentError(
+      'Function provided to `withTransaction` must return a Promise'
+    );
+  }
+
+  return promise.then(
+    () => {
+      if (userExplicitlyEndedTransaction(session)) {
+        return;
+      }
+
+      return attemptTransactionCommit(session, startTime, fn, options);
+    },
+    err => {
+      function maybeRetryOrThrow(err: MongoError): Promise<any> {
+        if (
+          err instanceof MongoError &&
+          err.hasErrorLabel(MongoErrorLabel.TransientTransactionError) &&
+          hasNotTimedOut(startTime, MAX_WITH_TRANSACTION_TIMEOUT)
+        ) {
+          return attemptTransaction(session, startTime, fn, options);
+        }
+
+        if (isMaxTimeMSExpiredError(err)) {
+          err.addErrorLabel(MongoErrorLabel.UnknownTransactionCommitResult);
+        }
+
+        throw err;
+      }
+
+      if (session.inTransaction()) {
+        return session.abortTransaction().then(() => maybeRetryOrThrow(err));
+      }
+
+      return maybeRetryOrThrow(err);
+    }
+  );
+}
+
+function endTransaction(
+  session: ClientSession,
+  commandName: 'abortTransaction' | 'commitTransaction',
+  callback: Callback<Document>
+) {
+  // handle any initial problematic cases
+  const txnState = session.transaction.state;
+
+  if (txnState === TxnState.NO_TRANSACTION) {
+    callback(new MongoTransactionError('No transaction started'));
+    return;
+  }
+
+  if (commandName === 'commitTransaction') {
+    if (
+      txnState === TxnState.STARTING_TRANSACTION ||
+      txnState === TxnState.TRANSACTION_COMMITTED_EMPTY
+    ) {
+      // the transaction was never started, we can safely exit here
+      session.transaction.transition(TxnState.TRANSACTION_COMMITTED_EMPTY);
+      callback();
+      return;
+    }
+
+    if (txnState === TxnState.TRANSACTION_ABORTED) {
+      callback(
+        new MongoTransactionError('Cannot call commitTransaction after calling abortTransaction')
+      );
+      return;
+    }
+  } else {
+    if (txnState === TxnState.STARTING_TRANSACTION) {
+      // the transaction was never started, we can safely exit here
+      session.transaction.transition(TxnState.TRANSACTION_ABORTED);
+      callback();
+      return;
+    }
+
+    if (txnState === TxnState.TRANSACTION_ABORTED) {
+      callback(new MongoTransactionError('Cannot call abortTransaction twice'));
+      return;
+    }
+
+    if (
+      txnState === TxnState.TRANSACTION_COMMITTED ||
+      txnState === TxnState.TRANSACTION_COMMITTED_EMPTY
+    ) {
+      callback(
+        new MongoTransactionError('Cannot call abortTransaction after calling commitTransaction')
+      );
+      return;
+    }
+  }
+
+  // construct and send the command
+  const command: Document = { [commandName]: 1 };
+
+  // apply a writeConcern if specified
+  let writeConcern;
+  if (session.transaction.options.writeConcern) {
+    writeConcern = Object.assign({}, session.transaction.options.writeConcern);
+  } else if (session.clientOptions && session.clientOptions.writeConcern) {
+    writeConcern = { w: session.clientOptions.writeConcern.w };
+  }
+
+  if (txnState === TxnState.TRANSACTION_COMMITTED) {
+    writeConcern = Object.assign({ wtimeout: 10000 }, writeConcern, { w: 'majority' });
+  }
+
+  if (writeConcern) {
+    Object.assign(command, { writeConcern });
+  }
+
+  if (commandName === 'commitTransaction' && session.transaction.options.maxTimeMS) {
+    Object.assign(command, { maxTimeMS: session.transaction.options.maxTimeMS });
+  }
+
+  function commandHandler(error?: Error, result?: Document) {
+    if (commandName !== 'commitTransaction') {
+      session.transaction.transition(TxnState.TRANSACTION_ABORTED);
+      if (session.loadBalanced) {
+        maybeClearPinnedConnection(session, { force: false });
+      }
+
+      // The spec indicates that we should ignore all errors on `abortTransaction`
+      return callback();
+    }
+
+    session.transaction.transition(TxnState.TRANSACTION_COMMITTED);
+    if (error instanceof MongoError) {
+      if (
+        error.hasErrorLabel(MongoErrorLabel.RetryableWriteError) ||
+        error instanceof MongoWriteConcernError ||
+        isMaxTimeMSExpiredError(error)
+      ) {
+        if (isUnknownTransactionCommitResult(error)) {
+          error.addErrorLabel(MongoErrorLabel.UnknownTransactionCommitResult);
+
+          // per txns spec, must unpin session in this case
+          session.unpin({ error });
+        }
+      } else if (error.hasErrorLabel(MongoErrorLabel.TransientTransactionError)) {
+        session.unpin({ error });
+      }
+    }
+
+    callback(error, result);
+  }
+
+  if (session.transaction.recoveryToken) {
+    command.recoveryToken = session.transaction.recoveryToken;
+  }
+
+  // send the command
+  executeOperation(
+    session.client,
+    new RunAdminCommandOperation(undefined, command, {
+      session,
+      readPreference: ReadPreference.primary,
+      bypassPinningCheck: true
+    }),
+    (error, result) => {
+      if (command.abortTransaction) {
+        // always unpin on abort regardless of command outcome
+        session.unpin();
+      }
+
+      if (error instanceof MongoError && error.hasErrorLabel(MongoErrorLabel.RetryableWriteError)) {
+        // SPEC-1185: apply majority write concern when retrying commitTransaction
+        if (command.commitTransaction) {
+          // per txns spec, must unpin session in this case
+          session.unpin({ force: true });
+
+          command.writeConcern = Object.assign({ wtimeout: 10000 }, command.writeConcern, {
+            w: 'majority'
+          });
+        }
+
+        return executeOperation(
+          session.client,
+          new RunAdminCommandOperation(undefined, command, {
+            session,
+            readPreference: ReadPreference.primary,
+            bypassPinningCheck: true
+          }),
+          commandHandler
+        );
+      }
+
+      commandHandler(error, result);
+    }
+  );
+}
+
+/** @public */
+export type ServerSessionId = { id: Binary };
+
+/**
+ * Reflects the existence of a session on the server. Can be reused by the session pool.
+ * WARNING: not meant to be instantiated directly. For internal use only.
+ * @public
+ */
+export class ServerSession {
+  id: ServerSessionId;
+  lastUse: number;
+  txnNumber: number;
+  isDirty: boolean;
+
+  /** @internal */
+  constructor() {
+    this.id = { id: new Binary(uuidV4(), Binary.SUBTYPE_UUID) };
+    this.lastUse = now();
+    this.txnNumber = 0;
+    this.isDirty = false;
+  }
+
+  /**
+   * Determines if the server session has timed out.
+   *
+   * @param sessionTimeoutMinutes - The server's "logicalSessionTimeoutMinutes"
+   */
+  hasTimedOut(sessionTimeoutMinutes: number): boolean {
+    // Take the difference of the lastUse timestamp and now, which will result in a value in
+    // milliseconds, and then convert milliseconds to minutes to compare to `sessionTimeoutMinutes`
+    const idleTimeMinutes = Math.round(
+      ((calculateDurationInMs(this.lastUse) % 86400000) % 3600000) / 60000
+    );
+
+    return idleTimeMinutes > sessionTimeoutMinutes - 1;
+  }
+
+  /**
+   * @internal
+   * Cloning meant to keep a readable reference to the server session data
+   * after ClientSession has ended
+   */
+  static clone(serverSession: ServerSession): Readonly<ServerSession> {
+    const arrayBuffer = new ArrayBuffer(16);
+    const idBytes = Buffer.from(arrayBuffer);
+    idBytes.set(serverSession.id.id.buffer);
+
+    const id = new Binary(idBytes, serverSession.id.id.sub_type);
+
+    // Manual prototype construction to avoid modifying the constructor of this class
+    return Object.setPrototypeOf(
+      {
+        id: { id },
+        lastUse: serverSession.lastUse,
+        txnNumber: serverSession.txnNumber,
+        isDirty: serverSession.isDirty
+      },
+      ServerSession.prototype
+    );
+  }
+}
+
+/**
+ * Maintains a pool of Server Sessions.
+ * For internal use only
+ * @internal
+ */
+export class ServerSessionPool {
+  client: MongoClient;
+  sessions: ServerSession[];
+
+  constructor(client: MongoClient) {
+    if (client == null) {
+      throw new MongoRuntimeError('ServerSessionPool requires a MongoClient');
+    }
+
+    this.client = client;
+    this.sessions = [];
+  }
+
+  /**
+   * Acquire a Server Session from the pool.
+   * Iterates through each session in the pool, removing any stale sessions
+   * along the way. The first non-stale session found is removed from the
+   * pool and returned. If no non-stale session is found, a new ServerSession is created.
+   */
+  acquire(): ServerSession {
+    const sessionTimeoutMinutes = this.client.topology?.logicalSessionTimeoutMinutes ?? 10;
+
+    let session: ServerSession | null = null;
+
+    // Try to obtain from session pool
+    while (this.sessions.length > 0) {
+      const potentialSession = this.sessions.shift();
+      if (
+        potentialSession != null &&
+        (!!this.client.topology?.loadBalanced ||
+          !potentialSession.hasTimedOut(sessionTimeoutMinutes))
+      ) {
+        session = potentialSession;
+        break;
+      }
+    }
+
+    // If nothing valid came from the pool make a new one
+    if (session == null) {
+      session = new ServerSession();
+    }
+
+    return session;
+  }
+
+  /**
+   * Release a session to the session pool
+   * Adds the session back to the session pool if the session has not timed out yet.
+   * This method also removes any stale sessions from the pool.
+   *
+   * @param session - The session to release to the pool
+   */
+  release(session: ServerSession): void {
+    const sessionTimeoutMinutes = this.client.topology?.logicalSessionTimeoutMinutes ?? 10;
+
+    if (this.client.topology?.loadBalanced && !sessionTimeoutMinutes) {
+      this.sessions.unshift(session);
+    }
+
+    if (!sessionTimeoutMinutes) {
+      return;
+    }
+
+    while (this.sessions.length) {
+      const pooledSession = this.sessions[this.sessions.length - 1];
+      if (pooledSession.hasTimedOut(sessionTimeoutMinutes)) {
+        this.sessions.pop();
+      } else {
+        break;
+      }
+    }
+
+    if (!session.hasTimedOut(sessionTimeoutMinutes)) {
+      if (session.isDirty) {
+        return;
+      }
+
+      // otherwise, readd this session to the session pool
+      this.sessions.unshift(session);
+    }
+  }
+}
+
+/**
+ * Optionally decorate a command with sessions specific keys
+ *
+ * @param session - the session tracking transaction state
+ * @param command - the command to decorate
+ * @param options - Optional settings passed to calling operation
+ *
+ * @internal
+ */
+export function applySession(
+  session: ClientSession,
+  command: Document,
+  options: CommandOptions
+): MongoDriverError | undefined {
+  if (session.hasEnded) {
+    return new MongoExpiredSessionError();
+  }
+
+  // May acquire serverSession here
+  const serverSession = session.serverSession;
+  if (serverSession == null) {
+    return new MongoRuntimeError('Unable to acquire server session');
+  }
+
+  if (options.writeConcern?.w === 0) {
+    if (session && session.explicit) {
+      // Error if user provided an explicit session to an unacknowledged write (SPEC-1019)
+      return new MongoAPIError('Cannot have explicit session with unacknowledged writes');
+    }
+    return;
+  }
+
+  // mark the last use of this session, and apply the `lsid`
+  serverSession.lastUse = now();
+  command.lsid = serverSession.id;
+
+  const inTxnOrTxnCommand = session.inTransaction() || isTransactionCommand(command);
+  const isRetryableWrite = !!options.willRetryWrite;
+
+  if (isRetryableWrite || inTxnOrTxnCommand) {
+    serverSession.txnNumber += session[kTxnNumberIncrement];
+    session[kTxnNumberIncrement] = 0;
+    // TODO(NODE-2674): Preserve int64 sent from MongoDB
+    command.txnNumber = Long.fromNumber(serverSession.txnNumber);
+  }
+
+  if (!inTxnOrTxnCommand) {
+    if (session.transaction.state !== TxnState.NO_TRANSACTION) {
+      session.transaction.transition(TxnState.NO_TRANSACTION);
+    }
+
+    if (
+      session.supports.causalConsistency &&
+      session.operationTime &&
+      commandSupportsReadConcern(command, options)
+    ) {
+      command.readConcern = command.readConcern || {};
+      Object.assign(command.readConcern, { afterClusterTime: session.operationTime });
+    } else if (session[kSnapshotEnabled]) {
+      command.readConcern = command.readConcern || { level: ReadConcernLevel.snapshot };
+      if (session[kSnapshotTime] != null) {
+        Object.assign(command.readConcern, { atClusterTime: session[kSnapshotTime] });
+      }
+    }
+
+    return;
+  }
+
+  // now attempt to apply transaction-specific sessions data
+
+  // `autocommit` must always be false to differentiate from retryable writes
+  command.autocommit = false;
+
+  if (session.transaction.state === TxnState.STARTING_TRANSACTION) {
+    session.transaction.transition(TxnState.TRANSACTION_IN_PROGRESS);
+    command.startTransaction = true;
+
+    const readConcern =
+      session.transaction.options.readConcern || session?.clientOptions?.readConcern;
+    if (readConcern) {
+      command.readConcern = readConcern;
+    }
+
+    if (session.supports.causalConsistency && session.operationTime) {
+      command.readConcern = command.readConcern || {};
+      Object.assign(command.readConcern, { afterClusterTime: session.operationTime });
+    }
+  }
+  return;
+}
+
+export function updateSessionFromResponse(session: ClientSession, document: Document): void {
+  if (document.$clusterTime) {
+    _advanceClusterTime(session, document.$clusterTime);
+  }
+
+  if (document.operationTime && session && session.supports.causalConsistency) {
+    session.advanceOperationTime(document.operationTime);
+  }
+
+  if (document.recoveryToken && session && session.inTransaction()) {
+    session.transaction._recoveryToken = document.recoveryToken;
+  }
+
+  if (session?.[kSnapshotEnabled] && session[kSnapshotTime] == null) {
+    // find and aggregate commands return atClusterTime on the cursor
+    // distinct includes it in the response body
+    const atClusterTime = document.cursor?.atClusterTime || document.atClusterTime;
+    if (atClusterTime) {
+      session[kSnapshotTime] = atClusterTime;
+    }
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/sort.ts b/node_modules/mongoose/node_modules/mongodb/src/sort.ts
new file mode 100644
index 000000000..6b766b545
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/sort.ts
@@ -0,0 +1,132 @@
+import { MongoInvalidArgumentError } from './error';
+
+/** @public */
+export type SortDirection =
+  | 1
+  | -1
+  | 'asc'
+  | 'desc'
+  | 'ascending'
+  | 'descending'
+  | { $meta: string };
+
+/** @public */
+export type Sort =
+  | string
+  | Exclude<SortDirection, { $meta: string }>
+  | string[]
+  | { [key: string]: SortDirection }
+  | Map<string, SortDirection>
+  | [string, SortDirection][]
+  | [string, SortDirection];
+
+/** Below stricter types were created for sort that correspond with type that the cmd takes  */
+
+/** @internal */
+export type SortDirectionForCmd = 1 | -1 | { $meta: string };
+
+/** @internal */
+export type SortForCmd = Map<string, SortDirectionForCmd>;
+
+/** @internal */
+type SortPairForCmd = [string, SortDirectionForCmd];
+
+/** @internal */
+function prepareDirection(direction: any = 1): SortDirectionForCmd {
+  const value = `${direction}`.toLowerCase();
+  if (isMeta(direction)) return direction;
+  switch (value) {
+    case 'ascending':
+    case 'asc':
+    case '1':
+      return 1;
+    case 'descending':
+    case 'desc':
+    case '-1':
+      return -1;
+    default:
+      throw new MongoInvalidArgumentError(`Invalid sort direction: ${JSON.stringify(direction)}`);
+  }
+}
+
+/** @internal */
+function isMeta(t: SortDirection): t is { $meta: string } {
+  return typeof t === 'object' && t != null && '$meta' in t && typeof t.$meta === 'string';
+}
+
+/** @internal */
+function isPair(t: Sort): t is [string, SortDirection] {
+  if (Array.isArray(t) && t.length === 2) {
+    try {
+      prepareDirection(t[1]);
+      return true;
+    } catch (e) {
+      return false;
+    }
+  }
+  return false;
+}
+
+function isDeep(t: Sort): t is [string, SortDirection][] {
+  return Array.isArray(t) && Array.isArray(t[0]);
+}
+
+function isMap(t: Sort): t is Map<string, SortDirection> {
+  return t instanceof Map && t.size > 0;
+}
+
+/** @internal */
+function pairToMap(v: [string, SortDirection]): SortForCmd {
+  return new Map([[`${v[0]}`, prepareDirection([v[1]])]]);
+}
+
+/** @internal */
+function deepToMap(t: [string, SortDirection][]): SortForCmd {
+  const sortEntries: SortPairForCmd[] = t.map(([k, v]) => [`${k}`, prepareDirection(v)]);
+  return new Map(sortEntries);
+}
+
+/** @internal */
+function stringsToMap(t: string[]): SortForCmd {
+  const sortEntries: SortPairForCmd[] = t.map(key => [`${key}`, 1]);
+  return new Map(sortEntries);
+}
+
+/** @internal */
+function objectToMap(t: { [key: string]: SortDirection }): SortForCmd {
+  const sortEntries: SortPairForCmd[] = Object.entries(t).map(([k, v]) => [
+    `${k}`,
+    prepareDirection(v)
+  ]);
+  return new Map(sortEntries);
+}
+
+/** @internal */
+function mapToMap(t: Map<string, SortDirection>): SortForCmd {
+  const sortEntries: SortPairForCmd[] = Array.from(t).map(([k, v]) => [
+    `${k}`,
+    prepareDirection(v)
+  ]);
+  return new Map(sortEntries);
+}
+
+/** converts a Sort type into a type that is valid for the server (SortForCmd) */
+export function formatSort(
+  sort: Sort | undefined,
+  direction?: SortDirection
+): SortForCmd | undefined {
+  if (sort == null) return undefined;
+  if (typeof sort === 'string') return new Map([[sort, prepareDirection(direction)]]);
+  if (typeof sort !== 'object') {
+    throw new MongoInvalidArgumentError(
+      `Invalid sort format: ${JSON.stringify(sort)} Sort must be a valid object`
+    );
+  }
+  if (!Array.isArray(sort)) {
+    return isMap(sort) ? mapToMap(sort) : Object.keys(sort).length ? objectToMap(sort) : undefined;
+  }
+  if (!sort.length) return undefined;
+  if (isDeep(sort)) return deepToMap(sort);
+  if (isPair(sort)) return pairToMap(sort);
+  return stringsToMap(sort);
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/transactions.ts b/node_modules/mongoose/node_modules/mongodb/src/transactions.ts
new file mode 100644
index 000000000..34d84403c
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/transactions.ts
@@ -0,0 +1,187 @@
+import type { Document } from './bson';
+import { MongoRuntimeError, MongoTransactionError } from './error';
+import type { CommandOperationOptions } from './operations/command';
+import { ReadConcern, ReadConcernLike } from './read_concern';
+import { ReadPreference } from './read_preference';
+import type { Server } from './sdam/server';
+import { WriteConcern } from './write_concern';
+
+/** @internal */
+export const TxnState = Object.freeze({
+  NO_TRANSACTION: 'NO_TRANSACTION',
+  STARTING_TRANSACTION: 'STARTING_TRANSACTION',
+  TRANSACTION_IN_PROGRESS: 'TRANSACTION_IN_PROGRESS',
+  TRANSACTION_COMMITTED: 'TRANSACTION_COMMITTED',
+  TRANSACTION_COMMITTED_EMPTY: 'TRANSACTION_COMMITTED_EMPTY',
+  TRANSACTION_ABORTED: 'TRANSACTION_ABORTED'
+} as const);
+
+/** @internal */
+export type TxnState = typeof TxnState[keyof typeof TxnState];
+
+const stateMachine: { [state in TxnState]: TxnState[] } = {
+  [TxnState.NO_TRANSACTION]: [TxnState.NO_TRANSACTION, TxnState.STARTING_TRANSACTION],
+  [TxnState.STARTING_TRANSACTION]: [
+    TxnState.TRANSACTION_IN_PROGRESS,
+    TxnState.TRANSACTION_COMMITTED,
+    TxnState.TRANSACTION_COMMITTED_EMPTY,
+    TxnState.TRANSACTION_ABORTED
+  ],
+  [TxnState.TRANSACTION_IN_PROGRESS]: [
+    TxnState.TRANSACTION_IN_PROGRESS,
+    TxnState.TRANSACTION_COMMITTED,
+    TxnState.TRANSACTION_ABORTED
+  ],
+  [TxnState.TRANSACTION_COMMITTED]: [
+    TxnState.TRANSACTION_COMMITTED,
+    TxnState.TRANSACTION_COMMITTED_EMPTY,
+    TxnState.STARTING_TRANSACTION,
+    TxnState.NO_TRANSACTION
+  ],
+  [TxnState.TRANSACTION_ABORTED]: [TxnState.STARTING_TRANSACTION, TxnState.NO_TRANSACTION],
+  [TxnState.TRANSACTION_COMMITTED_EMPTY]: [
+    TxnState.TRANSACTION_COMMITTED_EMPTY,
+    TxnState.NO_TRANSACTION
+  ]
+};
+
+const ACTIVE_STATES: Set<TxnState> = new Set([
+  TxnState.STARTING_TRANSACTION,
+  TxnState.TRANSACTION_IN_PROGRESS
+]);
+
+const COMMITTED_STATES: Set<TxnState> = new Set([
+  TxnState.TRANSACTION_COMMITTED,
+  TxnState.TRANSACTION_COMMITTED_EMPTY,
+  TxnState.TRANSACTION_ABORTED
+]);
+
+/**
+ * Configuration options for a transaction.
+ * @public
+ */
+export interface TransactionOptions extends CommandOperationOptions {
+  // TODO(NODE-3344): These options use the proper class forms of these settings, it should accept the basic enum values too
+  /** A default read concern for commands in this transaction */
+  readConcern?: ReadConcernLike;
+  /** A default writeConcern for commands in this transaction */
+  writeConcern?: WriteConcern;
+  /** A default read preference for commands in this transaction */
+  readPreference?: ReadPreference;
+  /** Specifies the maximum amount of time to allow a commit action on a transaction to run in milliseconds */
+  maxCommitTimeMS?: number;
+}
+
+/**
+ * @public
+ * A class maintaining state related to a server transaction. Internal Only
+ */
+export class Transaction {
+  /** @internal */
+  state: TxnState;
+  options: TransactionOptions;
+  /** @internal */
+  _pinnedServer?: Server;
+  /** @internal */
+  _recoveryToken?: Document;
+
+  /** Create a transaction @internal */
+  constructor(options?: TransactionOptions) {
+    options = options ?? {};
+    this.state = TxnState.NO_TRANSACTION;
+    this.options = {};
+
+    const writeConcern = WriteConcern.fromOptions(options);
+    if (writeConcern) {
+      if (writeConcern.w === 0) {
+        throw new MongoTransactionError('Transactions do not support unacknowledged write concern');
+      }
+
+      this.options.writeConcern = writeConcern;
+    }
+
+    if (options.readConcern) {
+      this.options.readConcern = ReadConcern.fromOptions(options);
+    }
+
+    if (options.readPreference) {
+      this.options.readPreference = ReadPreference.fromOptions(options);
+    }
+
+    if (options.maxCommitTimeMS) {
+      this.options.maxTimeMS = options.maxCommitTimeMS;
+    }
+
+    // TODO: This isn't technically necessary
+    this._pinnedServer = undefined;
+    this._recoveryToken = undefined;
+  }
+
+  /** @internal */
+  get server(): Server | undefined {
+    return this._pinnedServer;
+  }
+
+  get recoveryToken(): Document | undefined {
+    return this._recoveryToken;
+  }
+
+  get isPinned(): boolean {
+    return !!this.server;
+  }
+
+  /** @returns Whether the transaction has started */
+  get isStarting(): boolean {
+    return this.state === TxnState.STARTING_TRANSACTION;
+  }
+
+  /**
+   * @returns Whether this session is presently in a transaction
+   */
+  get isActive(): boolean {
+    return ACTIVE_STATES.has(this.state);
+  }
+
+  get isCommitted(): boolean {
+    return COMMITTED_STATES.has(this.state);
+  }
+  /**
+   * Transition the transaction in the state machine
+   * @internal
+   * @param nextState - The new state to transition to
+   */
+  transition(nextState: TxnState): void {
+    const nextStates = stateMachine[this.state];
+    if (nextStates && nextStates.includes(nextState)) {
+      this.state = nextState;
+      if (
+        this.state === TxnState.NO_TRANSACTION ||
+        this.state === TxnState.STARTING_TRANSACTION ||
+        this.state === TxnState.TRANSACTION_ABORTED
+      ) {
+        this.unpinServer();
+      }
+      return;
+    }
+
+    throw new MongoRuntimeError(
+      `Attempted illegal state transition from [${this.state}] to [${nextState}]`
+    );
+  }
+
+  /** @internal */
+  pinServer(server: Server): void {
+    if (this.isActive) {
+      this._pinnedServer = server;
+    }
+  }
+
+  /** @internal */
+  unpinServer(): void {
+    this._pinnedServer = undefined;
+  }
+}
+
+export function isTransactionCommand(command: Document): boolean {
+  return !!(command.commitTransaction || command.abortTransaction);
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/utils.ts b/node_modules/mongoose/node_modules/mongodb/src/utils.ts
new file mode 100644
index 000000000..62a2bd6f8
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/utils.ts
@@ -0,0 +1,1411 @@
+import * as crypto from 'crypto';
+import type { SrvRecord } from 'dns';
+import * as os from 'os';
+import { clearTimeout, setTimeout } from 'timers';
+import { URL } from 'url';
+
+import { Document, ObjectId, resolveBSONOptions } from './bson';
+import type { Connection } from './cmap/connection';
+import { MAX_SUPPORTED_WIRE_VERSION } from './cmap/wire_protocol/constants';
+import type { Collection } from './collection';
+import { LEGACY_HELLO_COMMAND } from './constants';
+import type { AbstractCursor } from './cursor/abstract_cursor';
+import type { FindCursor } from './cursor/find_cursor';
+import type { Db } from './db';
+import {
+  AnyError,
+  MongoCompatibilityError,
+  MongoInvalidArgumentError,
+  MongoNotConnectedError,
+  MongoParseError,
+  MongoRuntimeError
+} from './error';
+import type { Explain } from './explain';
+import type { MongoClient } from './mongo_client';
+import type { CommandOperationOptions, OperationParent } from './operations/command';
+import type { Hint, OperationOptions } from './operations/operation';
+import { PromiseProvider } from './promise_provider';
+import { ReadConcern } from './read_concern';
+import { ReadPreference } from './read_preference';
+import { ServerType } from './sdam/common';
+import type { Server } from './sdam/server';
+import type { Topology } from './sdam/topology';
+import type { ClientSession } from './sessions';
+import { W, WriteConcern, WriteConcernOptions } from './write_concern';
+
+/**
+ * MongoDB Driver style callback
+ * @public
+ */
+export type Callback<T = any> = (error?: AnyError, result?: T) => void;
+
+export const MAX_JS_INT = Number.MAX_SAFE_INTEGER + 1;
+
+export type AnyOptions = Document;
+
+/**
+ * Throws if collectionName is not a valid mongodb collection namespace.
+ * @internal
+ */
+export function checkCollectionName(collectionName: string): void {
+  if ('string' !== typeof collectionName) {
+    throw new MongoInvalidArgumentError('Collection name must be a String');
+  }
+
+  if (!collectionName || collectionName.indexOf('..') !== -1) {
+    throw new MongoInvalidArgumentError('Collection names cannot be empty');
+  }
+
+  if (
+    collectionName.indexOf('$') !== -1 &&
+    collectionName.match(/((^\$cmd)|(oplog\.\$main))/) == null
+  ) {
+    // TODO(NODE-3483): Use MongoNamespace static method
+    throw new MongoInvalidArgumentError("Collection names must not contain '$'");
+  }
+
+  if (collectionName.match(/^\.|\.$/) != null) {
+    // TODO(NODE-3483): Use MongoNamespace static method
+    throw new MongoInvalidArgumentError("Collection names must not start or end with '.'");
+  }
+
+  // Validate that we are not passing 0x00 in the collection name
+  if (collectionName.indexOf('\x00') !== -1) {
+    // TODO(NODE-3483): Use MongoNamespace static method
+    throw new MongoInvalidArgumentError('Collection names cannot contain a null character');
+  }
+}
+
+/**
+ * Ensure Hint field is in a shape we expect:
+ * - object of index names mapping to 1 or -1
+ * - just an index name
+ * @internal
+ */
+export function normalizeHintField(hint?: Hint): Hint | undefined {
+  let finalHint = undefined;
+
+  if (typeof hint === 'string') {
+    finalHint = hint;
+  } else if (Array.isArray(hint)) {
+    finalHint = {};
+
+    hint.forEach(param => {
+      finalHint[param] = 1;
+    });
+  } else if (hint != null && typeof hint === 'object') {
+    finalHint = {} as Document;
+    for (const name in hint) {
+      finalHint[name] = hint[name];
+    }
+  }
+
+  return finalHint;
+}
+
+const TO_STRING = (object: unknown) => Object.prototype.toString.call(object);
+/**
+ * Checks if arg is an Object:
+ * - **NOTE**: the check is based on the `[Symbol.toStringTag]() === 'Object'`
+ * @internal
+ */
+
+export function isObject(arg: unknown): arg is object {
+  return '[object Object]' === TO_STRING(arg);
+}
+
+/** @internal */
+export function mergeOptions<T, S>(target: T, source: S): T & S {
+  return { ...target, ...source };
+}
+
+/** @internal */
+export function filterOptions(options: AnyOptions, names: ReadonlyArray<string>): AnyOptions {
+  const filterOptions: AnyOptions = {};
+
+  for (const name in options) {
+    if (names.includes(name)) {
+      filterOptions[name] = options[name];
+    }
+  }
+
+  // Filtered options
+  return filterOptions;
+}
+
+interface HasRetryableWrites {
+  retryWrites?: boolean;
+}
+/**
+ * Applies retryWrites: true to a command if retryWrites is set on the command's database.
+ * @internal
+ *
+ * @param target - The target command to which we will apply retryWrites.
+ * @param db - The database from which we can inherit a retryWrites value.
+ */
+export function applyRetryableWrites<T extends HasRetryableWrites>(target: T, db?: Db): T {
+  if (db && db.s.options?.retryWrites) {
+    target.retryWrites = true;
+  }
+
+  return target;
+}
+
+interface HasWriteConcern {
+  writeConcern?: WriteConcernOptions | WriteConcern | W;
+}
+/**
+ * Applies a write concern to a command based on well defined inheritance rules, optionally
+ * detecting support for the write concern in the first place.
+ * @internal
+ *
+ * @param target - the target command we will be applying the write concern to
+ * @param sources - sources where we can inherit default write concerns from
+ * @param options - optional settings passed into a command for write concern overrides
+ */
+export function applyWriteConcern<T extends HasWriteConcern>(
+  target: T,
+  sources: { db?: Db; collection?: Collection },
+  options?: OperationOptions & WriteConcernOptions
+): T {
+  options = options ?? {};
+  const db = sources.db;
+  const coll = sources.collection;
+
+  if (options.session && options.session.inTransaction()) {
+    // writeConcern is not allowed within a multi-statement transaction
+    if (target.writeConcern) {
+      delete target.writeConcern;
+    }
+
+    return target;
+  }
+
+  const writeConcern = WriteConcern.fromOptions(options);
+  if (writeConcern) {
+    return Object.assign(target, { writeConcern });
+  }
+
+  if (coll && coll.writeConcern) {
+    return Object.assign(target, { writeConcern: Object.assign({}, coll.writeConcern) });
+  }
+
+  if (db && db.writeConcern) {
+    return Object.assign(target, { writeConcern: Object.assign({}, db.writeConcern) });
+  }
+
+  return target;
+}
+
+/**
+ * Checks if a given value is a Promise
+ *
+ * @typeParam T - The result type of maybePromise
+ * @param maybePromise - An object that could be a promise
+ * @returns true if the provided value is a Promise
+ */
+export function isPromiseLike<T = any>(
+  maybePromise?: PromiseLike<T> | void
+): maybePromise is Promise<T> {
+  return !!maybePromise && typeof maybePromise.then === 'function';
+}
+
+/**
+ * Applies collation to a given command.
+ * @internal
+ *
+ * @param command - the command on which to apply collation
+ * @param target - target of command
+ * @param options - options containing collation settings
+ */
+export function decorateWithCollation(
+  command: Document,
+  target: MongoClient | Db | Collection,
+  options: AnyOptions
+): void {
+  const capabilities = getTopology(target).capabilities;
+  if (options.collation && typeof options.collation === 'object') {
+    if (capabilities && capabilities.commandsTakeCollation) {
+      command.collation = options.collation;
+    } else {
+      throw new MongoCompatibilityError(`Current topology does not support collation`);
+    }
+  }
+}
+
+/**
+ * Applies a read concern to a given command.
+ * @internal
+ *
+ * @param command - the command on which to apply the read concern
+ * @param coll - the parent collection of the operation calling this method
+ */
+export function decorateWithReadConcern(
+  command: Document,
+  coll: { s: { readConcern?: ReadConcern } },
+  options?: OperationOptions
+): void {
+  if (options && options.session && options.session.inTransaction()) {
+    return;
+  }
+  const readConcern = Object.assign({}, command.readConcern || {});
+  if (coll.s.readConcern) {
+    Object.assign(readConcern, coll.s.readConcern);
+  }
+
+  if (Object.keys(readConcern).length > 0) {
+    Object.assign(command, { readConcern: readConcern });
+  }
+}
+
+/**
+ * Applies an explain to a given command.
+ * @internal
+ *
+ * @param command - the command on which to apply the explain
+ * @param options - the options containing the explain verbosity
+ */
+export function decorateWithExplain(command: Document, explain: Explain): Document {
+  if (command.explain) {
+    return command;
+  }
+
+  return { explain: command, verbosity: explain.verbosity };
+}
+
+/**
+ * @internal
+ */
+export type TopologyProvider =
+  | MongoClient
+  | ClientSession
+  | FindCursor
+  | AbstractCursor
+  | Collection<any>
+  | Db;
+
+/**
+ * A helper function to get the topology from a given provider. Throws
+ * if the topology cannot be found.
+ * @throws MongoNotConnectedError
+ * @internal
+ */
+export function getTopology(provider: TopologyProvider): Topology {
+  // MongoClient or ClientSession or AbstractCursor
+  if ('topology' in provider && provider.topology) {
+    return provider.topology;
+  } else if ('s' in provider && 'client' in provider.s && provider.s.client.topology) {
+    return provider.s.client.topology;
+  } else if ('s' in provider && 'db' in provider.s && provider.s.db.s.client.topology) {
+    return provider.s.db.s.client.topology;
+  }
+
+  throw new MongoNotConnectedError('MongoClient must be connected to perform this operation');
+}
+
+/**
+ * Default message handler for generating deprecation warnings.
+ * @internal
+ *
+ * @param name - function name
+ * @param option - option name
+ * @returns warning message
+ */
+export function defaultMsgHandler(name: string, option: string): string {
+  return `${name} option [${option}] is deprecated and will be removed in a later version.`;
+}
+
+export interface DeprecateOptionsConfig {
+  /** function name */
+  name: string;
+  /** options to deprecate */
+  deprecatedOptions: string[];
+  /** index of options object in function arguments array */
+  optionsIndex: number;
+  /** optional custom message handler to generate warnings */
+  msgHandler?(this: void, name: string, option: string): string;
+}
+
+/**
+ * Deprecates a given function's options.
+ * @internal
+ *
+ * @param this - the bound class if this is a method
+ * @param config - configuration for deprecation
+ * @param fn - the target function of deprecation
+ * @returns modified function that warns once per deprecated option, and executes original function
+ */
+export function deprecateOptions(
+  this: unknown,
+  config: DeprecateOptionsConfig,
+  fn: (...args: any[]) => any
+): any {
+  if ((process as any).noDeprecation === true) {
+    return fn;
+  }
+
+  const msgHandler = config.msgHandler ? config.msgHandler : defaultMsgHandler;
+
+  const optionsWarned = new Set();
+  function deprecated(this: any, ...args: any[]) {
+    const options = args[config.optionsIndex] as AnyOptions;
+
+    // ensure options is a valid, non-empty object, otherwise short-circuit
+    if (!isObject(options) || Object.keys(options).length === 0) {
+      return fn.bind(this)(...args); // call the function, no change
+    }
+
+    // interrupt the function call with a warning
+    for (const deprecatedOption of config.deprecatedOptions) {
+      if (deprecatedOption in options && !optionsWarned.has(deprecatedOption)) {
+        optionsWarned.add(deprecatedOption);
+        const msg = msgHandler(config.name, deprecatedOption);
+        emitWarning(msg);
+        if (this && 'getLogger' in this) {
+          const logger = this.getLogger();
+          if (logger) {
+            logger.warn(msg);
+          }
+        }
+      }
+    }
+
+    return fn.bind(this)(...args);
+  }
+
+  // These lines copied from https://github.com/nodejs/node/blob/25e5ae41688676a5fd29b2e2e7602168eee4ceb5/lib/internal/util.js#L73-L80
+  // The wrapper will keep the same prototype as fn to maintain prototype chain
+  Object.setPrototypeOf(deprecated, fn);
+  if (fn.prototype) {
+    // Setting this (rather than using Object.setPrototype, as above) ensures
+    // that calling the unwrapped constructor gives an instanceof the wrapped
+    // constructor.
+    deprecated.prototype = fn.prototype;
+  }
+
+  return deprecated;
+}
+
+/** @internal */
+export function ns(ns: string): MongoDBNamespace {
+  return MongoDBNamespace.fromString(ns);
+}
+
+/** @public */
+export class MongoDBNamespace {
+  db: string;
+  collection: string | undefined;
+  /**
+   * Create a namespace object
+   *
+   * @param db - database name
+   * @param collection - collection name
+   */
+  constructor(db: string, collection?: string) {
+    this.db = db;
+    this.collection = collection === '' ? undefined : collection;
+  }
+
+  toString(): string {
+    return this.collection ? `${this.db}.${this.collection}` : this.db;
+  }
+
+  withCollection(collection: string): MongoDBNamespace {
+    return new MongoDBNamespace(this.db, collection);
+  }
+
+  static fromString(namespace?: string): MongoDBNamespace {
+    if (typeof namespace !== 'string' || namespace === '') {
+      // TODO(NODE-3483): Replace with MongoNamespaceError
+      throw new MongoRuntimeError(`Cannot parse namespace from "${namespace}"`);
+    }
+
+    const [db, ...collectionParts] = namespace.split('.');
+    const collection = collectionParts.join('.');
+    return new MongoDBNamespace(db, collection === '' ? undefined : collection);
+  }
+}
+
+/** @internal */
+export function* makeCounter(seed = 0): Generator<number> {
+  let count = seed;
+  while (true) {
+    const newCount = count;
+    count += 1;
+    yield newCount;
+  }
+}
+
+/**
+ * Helper function for either accepting a callback, or returning a promise
+ * @internal
+ *
+ * @param callback - The last function argument in exposed method, controls if a Promise is returned
+ * @param wrapper - A function that wraps the callback
+ * @returns Returns void if a callback is supplied, else returns a Promise.
+ */
+export function maybePromise<T>(
+  callback: Callback<T> | undefined,
+  wrapper: (fn: Callback<T>) => void
+): Promise<T> | void {
+  const Promise = PromiseProvider.get();
+  let result: Promise<T> | void;
+  if (typeof callback !== 'function') {
+    result = new Promise<any>((resolve, reject) => {
+      callback = (err, res) => {
+        if (err) return reject(err);
+        resolve(res);
+      };
+    });
+  }
+
+  wrapper((err, res) => {
+    if (err != null) {
+      try {
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+        callback!(err);
+      } catch (error) {
+        process.nextTick(() => {
+          throw error;
+        });
+      }
+
+      return;
+    }
+
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    callback!(err, res);
+  });
+
+  return result;
+}
+
+/** @internal */
+export function databaseNamespace(ns: string): string {
+  return ns.split('.')[0];
+}
+
+/**
+ * Synchronously Generate a UUIDv4
+ * @internal
+ */
+export function uuidV4(): Buffer {
+  const result = crypto.randomBytes(16);
+  result[6] = (result[6] & 0x0f) | 0x40;
+  result[8] = (result[8] & 0x3f) | 0x80;
+  return result;
+}
+
+/**
+ * A helper function for determining `maxWireVersion` between legacy and new topology instances
+ * @internal
+ */
+export function maxWireVersion(topologyOrServer?: Connection | Topology | Server): number {
+  if (topologyOrServer) {
+    if (topologyOrServer.loadBalanced) {
+      // Since we do not have a monitor, we assume the load balanced server is always
+      // pointed at the latest mongodb version. There is a risk that for on-prem
+      // deployments that don't upgrade immediately that this could alert to the
+      // application that a feature is avaiable that is actually not.
+      return MAX_SUPPORTED_WIRE_VERSION;
+    }
+    if (topologyOrServer.hello) {
+      return topologyOrServer.hello.maxWireVersion;
+    }
+
+    if ('lastHello' in topologyOrServer && typeof topologyOrServer.lastHello === 'function') {
+      const lastHello = topologyOrServer.lastHello();
+      if (lastHello) {
+        return lastHello.maxWireVersion;
+      }
+    }
+
+    if (
+      topologyOrServer.description &&
+      'maxWireVersion' in topologyOrServer.description &&
+      topologyOrServer.description.maxWireVersion != null
+    ) {
+      return topologyOrServer.description.maxWireVersion;
+    }
+  }
+
+  return 0;
+}
+
+/**
+ * Checks that collation is supported by server.
+ * @internal
+ *
+ * @param server - to check against
+ * @param cmd - object where collation may be specified
+ */
+export function collationNotSupported(server: Server, cmd: Document): boolean {
+  return cmd && cmd.collation && maxWireVersion(server) < 5;
+}
+
+/**
+ * Applies the function `eachFn` to each item in `arr`, in parallel.
+ * @internal
+ *
+ * @param arr - An array of items to asynchronously iterate over
+ * @param eachFn - A function to call on each item of the array. The callback signature is `(item, callback)`, where the callback indicates iteration is complete.
+ * @param callback - The callback called after every item has been iterated
+ */
+export function eachAsync<T = Document>(
+  arr: T[],
+  eachFn: (item: T, callback: (err?: AnyError) => void) => void,
+  callback: Callback
+): void {
+  arr = arr || [];
+
+  let idx = 0;
+  let awaiting = 0;
+  for (idx = 0; idx < arr.length; ++idx) {
+    awaiting++;
+    eachFn(arr[idx], eachCallback);
+  }
+
+  if (awaiting === 0) {
+    callback();
+    return;
+  }
+
+  function eachCallback(err?: AnyError) {
+    awaiting--;
+    if (err) {
+      callback(err);
+      return;
+    }
+
+    if (idx === arr.length && awaiting <= 0) {
+      callback();
+    }
+  }
+}
+
+/** @internal */
+export function eachAsyncSeries<T = any>(
+  arr: T[],
+  eachFn: (item: T, callback: (err?: AnyError) => void) => void,
+  callback: Callback
+): void {
+  arr = arr || [];
+
+  let idx = 0;
+  let awaiting = arr.length;
+  if (awaiting === 0) {
+    callback();
+    return;
+  }
+
+  function eachCallback(err?: AnyError) {
+    idx++;
+    awaiting--;
+    if (err) {
+      callback(err);
+      return;
+    }
+
+    if (idx === arr.length && awaiting <= 0) {
+      callback();
+      return;
+    }
+
+    eachFn(arr[idx], eachCallback);
+  }
+
+  eachFn(arr[idx], eachCallback);
+}
+
+/** @internal */
+export function arrayStrictEqual(arr: unknown[], arr2: unknown[]): boolean {
+  if (!Array.isArray(arr) || !Array.isArray(arr2)) {
+    return false;
+  }
+
+  return arr.length === arr2.length && arr.every((elt, idx) => elt === arr2[idx]);
+}
+
+/** @internal */
+export function errorStrictEqual(lhs?: AnyError | null, rhs?: AnyError | null): boolean {
+  if (lhs === rhs) {
+    return true;
+  }
+
+  if (!lhs || !rhs) {
+    return lhs === rhs;
+  }
+
+  if ((lhs == null && rhs != null) || (lhs != null && rhs == null)) {
+    return false;
+  }
+
+  if (lhs.constructor.name !== rhs.constructor.name) {
+    return false;
+  }
+
+  if (lhs.message !== rhs.message) {
+    return false;
+  }
+
+  return true;
+}
+
+interface StateTable {
+  [key: string]: string[];
+}
+interface ObjectWithState {
+  s: { state: string };
+  emit(event: 'stateChanged', state: string, newState: string): void;
+}
+interface StateTransitionFunction {
+  (target: ObjectWithState, newState: string): void;
+}
+
+/** @public */
+export type EventEmitterWithState = {
+  /** @internal */
+  stateChanged(previous: string, current: string): void;
+};
+
+/** @internal */
+export function makeStateMachine(stateTable: StateTable): StateTransitionFunction {
+  return function stateTransition(target, newState) {
+    const legalStates = stateTable[target.s.state];
+    if (legalStates && legalStates.indexOf(newState) < 0) {
+      throw new MongoRuntimeError(
+        `illegal state transition from [${target.s.state}] => [${newState}], allowed: [${legalStates}]`
+      );
+    }
+
+    target.emit('stateChanged', target.s.state, newState);
+    target.s.state = newState;
+  };
+}
+
+/** @public */
+export interface ClientMetadata {
+  driver: {
+    name: string;
+    version: string;
+  };
+  os: {
+    type: string;
+    name: NodeJS.Platform;
+    architecture: string;
+    version: string;
+  };
+  platform: string;
+  version?: string;
+  application?: {
+    name: string;
+  };
+}
+
+/** @public */
+export interface ClientMetadataOptions {
+  driverInfo?: {
+    name?: string;
+    version?: string;
+    platform?: string;
+  };
+  appName?: string;
+}
+
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const NODE_DRIVER_VERSION = require('../package.json').version;
+
+export function makeClientMetadata(options?: ClientMetadataOptions): ClientMetadata {
+  options = options ?? {};
+
+  const metadata: ClientMetadata = {
+    driver: {
+      name: 'nodejs',
+      version: NODE_DRIVER_VERSION
+    },
+    os: {
+      type: os.type(),
+      name: process.platform,
+      architecture: process.arch,
+      version: os.release()
+    },
+    platform: `Node.js ${process.version}, ${os.endianness()} (unified)`
+  };
+
+  // support optionally provided wrapping driver info
+  if (options.driverInfo) {
+    if (options.driverInfo.name) {
+      metadata.driver.name = `${metadata.driver.name}|${options.driverInfo.name}`;
+    }
+
+    if (options.driverInfo.version) {
+      metadata.version = `${metadata.driver.version}|${options.driverInfo.version}`;
+    }
+
+    if (options.driverInfo.platform) {
+      metadata.platform = `${metadata.platform}|${options.driverInfo.platform}`;
+    }
+  }
+
+  if (options.appName) {
+    // MongoDB requires the appName not exceed a byte length of 128
+    const buffer = Buffer.from(options.appName);
+    metadata.application = {
+      name: buffer.byteLength > 128 ? buffer.slice(0, 128).toString('utf8') : options.appName
+    };
+  }
+
+  return metadata;
+}
+
+/** @internal */
+export function now(): number {
+  const hrtime = process.hrtime();
+  return Math.floor(hrtime[0] * 1000 + hrtime[1] / 1000000);
+}
+
+/** @internal */
+export function calculateDurationInMs(started: number): number {
+  if (typeof started !== 'number') {
+    throw new MongoInvalidArgumentError('Numeric value required to calculate duration');
+  }
+
+  const elapsed = now() - started;
+  return elapsed < 0 ? 0 : elapsed;
+}
+
+export interface InterruptibleAsyncIntervalOptions {
+  /** The interval to execute a method on */
+  interval: number;
+  /** A minimum interval that must elapse before the method is called */
+  minInterval: number;
+  /** Whether the method should be called immediately when the interval is started  */
+  immediate: boolean;
+
+  /**
+   * Only used for testing unreliable timer environments
+   * @internal
+   */
+  clock: () => number;
+}
+
+/** @internal */
+export interface InterruptibleAsyncInterval {
+  wake(): void;
+  stop(): void;
+}
+
+/**
+ * Creates an interval timer which is able to be woken up sooner than
+ * the interval. The timer will also debounce multiple calls to wake
+ * ensuring that the function is only ever called once within a minimum
+ * interval window.
+ * @internal
+ *
+ * @param fn - An async function to run on an interval, must accept a `callback` as its only parameter
+ */
+export function makeInterruptibleAsyncInterval(
+  fn: (callback: Callback) => void,
+  options?: Partial<InterruptibleAsyncIntervalOptions>
+): InterruptibleAsyncInterval {
+  let timerId: NodeJS.Timeout | undefined;
+  let lastCallTime: number;
+  let cannotBeExpedited = false;
+  let stopped = false;
+
+  options = options ?? {};
+  const interval = options.interval || 1000;
+  const minInterval = options.minInterval || 500;
+  const immediate = typeof options.immediate === 'boolean' ? options.immediate : false;
+  const clock = typeof options.clock === 'function' ? options.clock : now;
+
+  function wake() {
+    const currentTime = clock();
+    const nextScheduledCallTime = lastCallTime + interval;
+    const timeUntilNextCall = nextScheduledCallTime - currentTime;
+
+    // For the streaming protocol: there is nothing obviously stopping this
+    // interval from being woken up again while we are waiting "infinitely"
+    // for `fn` to be called again`. Since the function effectively
+    // never completes, the `timeUntilNextCall` will continue to grow
+    // negatively unbounded, so it will never trigger a reschedule here.
+
+    // This is possible in virtualized environments like AWS Lambda where our
+    // clock is unreliable. In these cases the timer is "running" but never
+    // actually completes, so we want to execute immediately and then attempt
+    // to reschedule.
+    if (timeUntilNextCall < 0) {
+      executeAndReschedule();
+      return;
+    }
+
+    // debounce multiple calls to wake within the `minInterval`
+    if (cannotBeExpedited) {
+      return;
+    }
+
+    // reschedule a call as soon as possible, ensuring the call never happens
+    // faster than the `minInterval`
+    if (timeUntilNextCall > minInterval) {
+      reschedule(minInterval);
+      cannotBeExpedited = true;
+    }
+  }
+
+  function stop() {
+    stopped = true;
+    if (timerId) {
+      clearTimeout(timerId);
+      timerId = undefined;
+    }
+
+    lastCallTime = 0;
+    cannotBeExpedited = false;
+  }
+
+  function reschedule(ms?: number) {
+    if (stopped) return;
+    if (timerId) {
+      clearTimeout(timerId);
+    }
+
+    timerId = setTimeout(executeAndReschedule, ms || interval);
+  }
+
+  function executeAndReschedule() {
+    cannotBeExpedited = false;
+    lastCallTime = clock();
+
+    fn(err => {
+      if (err) throw err;
+      reschedule(interval);
+    });
+  }
+
+  if (immediate) {
+    executeAndReschedule();
+  } else {
+    lastCallTime = clock();
+    reschedule(undefined);
+  }
+
+  return { wake, stop };
+}
+
+/** @internal */
+export function hasAtomicOperators(doc: Document | Document[]): boolean {
+  if (Array.isArray(doc)) {
+    for (const document of doc) {
+      if (hasAtomicOperators(document)) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  const keys = Object.keys(doc);
+  return keys.length > 0 && keys[0][0] === '$';
+}
+
+/**
+ * Merge inherited properties from parent into options, prioritizing values from options,
+ * then values from parent.
+ * @internal
+ */
+export function resolveOptions<T extends CommandOperationOptions>(
+  parent: OperationParent | undefined,
+  options?: T
+): T {
+  const result: T = Object.assign({}, options, resolveBSONOptions(options, parent));
+
+  // Users cannot pass a readConcern/writeConcern to operations in a transaction
+  const session = options?.session;
+  if (!session?.inTransaction()) {
+    const readConcern = ReadConcern.fromOptions(options) ?? parent?.readConcern;
+    if (readConcern) {
+      result.readConcern = readConcern;
+    }
+
+    const writeConcern = WriteConcern.fromOptions(options) ?? parent?.writeConcern;
+    if (writeConcern) {
+      result.writeConcern = writeConcern;
+    }
+  }
+
+  const readPreference = ReadPreference.fromOptions(options) ?? parent?.readPreference;
+  if (readPreference) {
+    result.readPreference = readPreference;
+  }
+
+  return result;
+}
+
+export function isSuperset(set: Set<any> | any[], subset: Set<any> | any[]): boolean {
+  set = Array.isArray(set) ? new Set(set) : set;
+  subset = Array.isArray(subset) ? new Set(subset) : subset;
+  for (const elem of subset) {
+    if (!set.has(elem)) {
+      return false;
+    }
+  }
+  return true;
+}
+
+/**
+ * Checks if the document is a Hello request
+ * @internal
+ */
+export function isHello(doc: Document): boolean {
+  return doc[LEGACY_HELLO_COMMAND] || doc.hello ? true : false;
+}
+
+/** Returns the items that are uniquely in setA */
+export function setDifference<T>(setA: Iterable<T>, setB: Iterable<T>): Set<T> {
+  const difference = new Set<T>(setA);
+  for (const elem of setB) {
+    difference.delete(elem);
+  }
+  return difference;
+}
+
+const HAS_OWN = (object: unknown, prop: string) =>
+  Object.prototype.hasOwnProperty.call(object, prop);
+
+export function isRecord<T extends readonly string[]>(
+  value: unknown,
+  requiredKeys: T
+): value is Record<T[number], any>;
+export function isRecord(value: unknown): value is Record<string, any>;
+export function isRecord(
+  value: unknown,
+  requiredKeys: string[] | undefined = undefined
+): value is Record<string, any> {
+  if (!isObject(value)) {
+    return false;
+  }
+
+  const ctor = (value as any).constructor;
+  if (ctor && ctor.prototype) {
+    if (!isObject(ctor.prototype)) {
+      return false;
+    }
+
+    // Check to see if some method exists from the Object exists
+    if (!HAS_OWN(ctor.prototype, 'isPrototypeOf')) {
+      return false;
+    }
+  }
+
+  if (requiredKeys) {
+    const keys = Object.keys(value as Record<string, any>);
+    return isSuperset(keys, requiredKeys);
+  }
+
+  return true;
+}
+
+/**
+ * Make a deep copy of an object
+ *
+ * NOTE: This is not meant to be the perfect implementation of a deep copy,
+ * but instead something that is good enough for the purposes of
+ * command monitoring.
+ */
+export function deepCopy<T>(value: T): T {
+  if (value == null) {
+    return value;
+  } else if (Array.isArray(value)) {
+    return value.map(item => deepCopy(item)) as unknown as T;
+  } else if (isRecord(value)) {
+    const res = {} as any;
+    for (const key in value) {
+      res[key] = deepCopy(value[key]);
+    }
+    return res;
+  }
+
+  const ctor = (value as any).constructor;
+  if (ctor) {
+    switch (ctor.name.toLowerCase()) {
+      case 'date':
+        return new ctor(Number(value));
+      case 'map':
+        return new Map(value as any) as unknown as T;
+      case 'set':
+        return new Set(value as any) as unknown as T;
+      case 'buffer':
+        return Buffer.from(value as unknown as Buffer) as unknown as T;
+    }
+  }
+
+  return value;
+}
+
+/** @internal */
+const kBuffers = Symbol('buffers');
+/** @internal */
+const kLength = Symbol('length');
+
+/**
+ * A pool of Buffers which allow you to read them as if they were one
+ * @internal
+ */
+export class BufferPool {
+  [kBuffers]: Buffer[];
+  [kLength]: number;
+
+  constructor() {
+    this[kBuffers] = [];
+    this[kLength] = 0;
+  }
+
+  get length(): number {
+    return this[kLength];
+  }
+
+  /** Adds a buffer to the internal buffer pool list */
+  append(buffer: Buffer): void {
+    this[kBuffers].push(buffer);
+    this[kLength] += buffer.length;
+  }
+
+  /** Returns the requested number of bytes without consuming them */
+  peek(size: number): Buffer {
+    return this.read(size, false);
+  }
+
+  /** Reads the requested number of bytes, optionally consuming them */
+  read(size: number, consume = true): Buffer {
+    if (typeof size !== 'number' || size < 0) {
+      throw new MongoInvalidArgumentError('Argument "size" must be a non-negative number');
+    }
+
+    if (size > this[kLength]) {
+      return Buffer.alloc(0);
+    }
+
+    let result: Buffer;
+
+    // read the whole buffer
+    if (size === this.length) {
+      result = Buffer.concat(this[kBuffers]);
+
+      if (consume) {
+        this[kBuffers] = [];
+        this[kLength] = 0;
+      }
+    }
+
+    // size is within first buffer, no need to concat
+    else if (size <= this[kBuffers][0].length) {
+      result = this[kBuffers][0].slice(0, size);
+      if (consume) {
+        this[kBuffers][0] = this[kBuffers][0].slice(size);
+        this[kLength] -= size;
+      }
+    }
+
+    // size is beyond first buffer, need to track and copy
+    else {
+      result = Buffer.allocUnsafe(size);
+
+      let idx;
+      let offset = 0;
+      let bytesToCopy = size;
+      for (idx = 0; idx < this[kBuffers].length; ++idx) {
+        let bytesCopied;
+        if (bytesToCopy > this[kBuffers][idx].length) {
+          bytesCopied = this[kBuffers][idx].copy(result, offset, 0);
+          offset += bytesCopied;
+        } else {
+          bytesCopied = this[kBuffers][idx].copy(result, offset, 0, bytesToCopy);
+          if (consume) {
+            this[kBuffers][idx] = this[kBuffers][idx].slice(bytesCopied);
+          }
+          offset += bytesCopied;
+          break;
+        }
+
+        bytesToCopy -= bytesCopied;
+      }
+
+      // compact the internal buffer array
+      if (consume) {
+        this[kBuffers] = this[kBuffers].slice(idx);
+        this[kLength] -= size;
+      }
+    }
+
+    return result;
+  }
+}
+
+/** @public */
+export class HostAddress {
+  host;
+  port;
+  // Driver only works with unix socket path to connect
+  // SDAM operates only on tcp addresses
+  socketPath;
+  isIPv6;
+
+  constructor(hostString: string) {
+    const escapedHost = hostString.split(' ').join('%20'); // escape spaces, for socket path hosts
+    const { hostname, port } = new URL(`mongodb://${escapedHost}`);
+
+    if (escapedHost.endsWith('.sock')) {
+      // heuristically determine if we're working with a domain socket
+      this.socketPath = decodeURIComponent(escapedHost);
+    } else if (typeof hostname === 'string') {
+      this.isIPv6 = false;
+
+      let normalized = decodeURIComponent(hostname).toLowerCase();
+      if (normalized.startsWith('[') && normalized.endsWith(']')) {
+        this.isIPv6 = true;
+        normalized = normalized.substring(1, hostname.length - 1);
+      }
+
+      this.host = normalized.toLowerCase();
+
+      if (typeof port === 'number') {
+        this.port = port;
+      } else if (typeof port === 'string' && port !== '') {
+        this.port = Number.parseInt(port, 10);
+      } else {
+        this.port = 27017;
+      }
+
+      if (this.port === 0) {
+        throw new MongoParseError('Invalid port (zero) with hostname');
+      }
+    } else {
+      throw new MongoInvalidArgumentError('Either socketPath or host must be defined.');
+    }
+    Object.freeze(this);
+  }
+
+  [Symbol.for('nodejs.util.inspect.custom')](): string {
+    return this.inspect();
+  }
+
+  inspect(): string {
+    return `new HostAddress('${this.toString(true)}')`;
+  }
+
+  /**
+   * @param ipv6Brackets - optionally request ipv6 bracket notation required for connection strings
+   */
+  toString(ipv6Brackets = false): string {
+    if (typeof this.host === 'string') {
+      if (this.isIPv6 && ipv6Brackets) {
+        return `[${this.host}]:${this.port}`;
+      }
+      return `${this.host}:${this.port}`;
+    }
+    return `${this.socketPath}`;
+  }
+
+  static fromString(this: void, s: string): HostAddress {
+    return new HostAddress(s);
+  }
+
+  static fromHostPort(host: string, port: number): HostAddress {
+    if (host.includes(':')) {
+      host = `[${host}]`; // IPv6 address
+    }
+    return HostAddress.fromString(`${host}:${port}`);
+  }
+
+  static fromSrvRecord({ name, port }: SrvRecord): HostAddress {
+    return HostAddress.fromHostPort(name, port);
+  }
+}
+
+export const DEFAULT_PK_FACTORY = {
+  // We prefer not to rely on ObjectId having a createPk method
+  createPk(): ObjectId {
+    return new ObjectId();
+  }
+};
+
+/**
+ * When the driver used emitWarning the code will be equal to this.
+ * @public
+ *
+ * @example
+ * ```js
+ * process.on('warning', (warning) => {
+ *  if (warning.code === MONGODB_WARNING_CODE) console.error('Ah an important warning! :)')
+ * })
+ * ```
+ */
+export const MONGODB_WARNING_CODE = 'MONGODB DRIVER' as const;
+
+/** @internal */
+export function emitWarning(message: string): void {
+  return process.emitWarning(message, { code: MONGODB_WARNING_CODE } as any);
+}
+
+const emittedWarnings = new Set();
+/**
+ * Will emit a warning once for the duration of the application.
+ * Uses the message to identify if it has already been emitted
+ * so using string interpolation can cause multiple emits
+ * @internal
+ */
+export function emitWarningOnce(message: string): void {
+  if (!emittedWarnings.has(message)) {
+    emittedWarnings.add(message);
+    return emitWarning(message);
+  }
+}
+
+/**
+ * Takes a JS object and joins the values into a string separated by ', '
+ */
+export function enumToString(en: Record<string, unknown>): string {
+  return Object.values(en).join(', ');
+}
+
+/**
+ * Determine if a server supports retryable writes.
+ *
+ * @internal
+ */
+export function supportsRetryableWrites(server?: Server): boolean {
+  if (!server) {
+    return false;
+  }
+
+  if (server.loadBalanced) {
+    // Loadbalanced topologies will always support retry writes
+    return true;
+  }
+
+  if (server.description.logicalSessionTimeoutMinutes != null) {
+    // that supports sessions
+    if (server.description.type !== ServerType.Standalone) {
+      // and that is not a standalone
+      return true;
+    }
+  }
+
+  return false;
+}
+
+export function parsePackageVersion({ version }: { version: string }): {
+  major: number;
+  minor: number;
+  patch: number;
+} {
+  const [major, minor, patch] = version.split('.').map((n: string) => Number.parseInt(n, 10));
+  return { major, minor, patch };
+}
+
+/**
+ * Fisher–Yates Shuffle
+ *
+ * Reference: https://bost.ocks.org/mike/shuffle/
+ * @param sequence - items to be shuffled
+ * @param limit - Defaults to `0`. If nonzero shuffle will slice the randomized array e.g, `.slice(0, limit)` otherwise will return the entire randomized array.
+ */
+export function shuffle<T>(sequence: Iterable<T>, limit = 0): Array<T> {
+  const items = Array.from(sequence); // shallow copy in order to never shuffle the input
+
+  if (limit > items.length) {
+    throw new MongoRuntimeError('Limit must be less than the number of items');
+  }
+
+  let remainingItemsToShuffle = items.length;
+  const lowerBound = limit % items.length === 0 ? 1 : items.length - limit;
+  while (remainingItemsToShuffle > lowerBound) {
+    // Pick a remaining element
+    const randomIndex = Math.floor(Math.random() * remainingItemsToShuffle);
+    remainingItemsToShuffle -= 1;
+
+    // And swap it with the current element
+    const swapHold = items[remainingItemsToShuffle];
+    items[remainingItemsToShuffle] = items[randomIndex];
+    items[randomIndex] = swapHold;
+  }
+
+  return limit % items.length === 0 ? items : items.slice(lowerBound);
+}
+
+// TODO: this should be codified in command construction
+// @see https://github.com/mongodb/specifications/blob/master/source/read-write-concern/read-write-concern.rst#read-concern
+export function commandSupportsReadConcern(command: Document, options?: Document): boolean {
+  if (command.aggregate || command.count || command.distinct || command.find || command.geoNear) {
+    return true;
+  }
+
+  if (
+    command.mapReduce &&
+    options &&
+    options.out &&
+    (options.out.inline === 1 || options.out === 'inline')
+  ) {
+    return true;
+  }
+
+  return false;
+}
+
+/** A utility function to get the instance of mongodb-client-encryption, if it exists. */
+export function getMongoDBClientEncryption(): {
+  extension: (mdb: unknown) => {
+    AutoEncrypter: any;
+    ClientEncryption: any;
+  };
+} | null {
+  let mongodbClientEncryption = null;
+
+  // NOTE(NODE-4254): This is to get around the circular dependency between
+  // mongodb-client-encryption and the driver in the test scenarios.
+  if (
+    typeof process.env.MONGODB_CLIENT_ENCRYPTION_OVERRIDE === 'string' &&
+    process.env.MONGODB_CLIENT_ENCRYPTION_OVERRIDE.length > 0
+  ) {
+    try {
+      // NOTE(NODE-3199): Ensure you always wrap an optional require literally in the try block
+      // Cannot be moved to helper utility function, bundlers search and replace the actual require call
+      // in a way that makes this line throw at bundle time, not runtime, catching here will make bundling succeed
+      mongodbClientEncryption = require(process.env.MONGODB_CLIENT_ENCRYPTION_OVERRIDE);
+    } catch {
+      // ignore
+    }
+  } else {
+    try {
+      // NOTE(NODE-3199): Ensure you always wrap an optional require literally in the try block
+      // Cannot be moved to helper utility function, bundlers search and replace the actual require call
+      // in a way that makes this line throw at bundle time, not runtime, catching here will make bundling succeed
+      mongodbClientEncryption = require('mongodb-client-encryption');
+    } catch {
+      // ignore
+    }
+  }
+
+  return mongodbClientEncryption;
+}
+
+/**
+ * Compare objectIds. `null` is always less
+ * - `+1 = oid1 is greater than oid2`
+ * - `-1 = oid1 is less than oid2`
+ * - `+0 = oid1 is equal oid2`
+ */
+export function compareObjectId(oid1?: ObjectId, oid2?: ObjectId): 0 | 1 | -1 {
+  if (oid1 == null && oid2 == null) {
+    return 0;
+  }
+
+  if (oid1 == null) {
+    return -1;
+  }
+
+  if (oid2 == null) {
+    return 1;
+  }
+
+  return oid1.id.compare(oid2.id);
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/src/write_concern.ts b/node_modules/mongoose/node_modules/mongodb/src/write_concern.ts
new file mode 100644
index 000000000..ebc77ebf6
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/src/write_concern.ts
@@ -0,0 +1,114 @@
+/** @public */
+export type W = number | 'majority';
+
+/** @public */
+export interface WriteConcernOptions {
+  /** Write Concern as an object */
+  writeConcern?: WriteConcern | WriteConcernSettings;
+}
+
+/** @public */
+export interface WriteConcernSettings {
+  /** The write concern */
+  w?: W;
+  /** The write concern timeout */
+  wtimeoutMS?: number;
+  /** The journal write concern */
+  journal?: boolean;
+
+  // legacy options
+  /** The journal write concern */
+  j?: boolean;
+  /** The write concern timeout */
+  wtimeout?: number;
+  /** The file sync write concern */
+  fsync?: boolean | 1;
+}
+
+export const WRITE_CONCERN_KEYS = ['w', 'wtimeout', 'j', 'journal', 'fsync'];
+
+/**
+ * A MongoDB WriteConcern, which describes the level of acknowledgement
+ * requested from MongoDB for write operations.
+ * @public
+ *
+ * @see https://docs.mongodb.com/manual/reference/write-concern/
+ */
+export class WriteConcern {
+  /** request acknowledgment that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags. */
+  w?: W;
+  /** specify a time limit to prevent write operations from blocking indefinitely */
+  wtimeout?: number;
+  /** request acknowledgment that the write operation has been written to the on-disk journal */
+  j?: boolean;
+  /** equivalent to the j option */
+  fsync?: boolean | 1;
+
+  /**
+   * Constructs a WriteConcern from the write concern properties.
+   * @param w - request acknowledgment that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags.
+   * @param wtimeout - specify a time limit to prevent write operations from blocking indefinitely
+   * @param j - request acknowledgment that the write operation has been written to the on-disk journal
+   * @param fsync - equivalent to the j option
+   */
+  constructor(w?: W, wtimeout?: number, j?: boolean, fsync?: boolean | 1) {
+    if (w != null) {
+      if (!Number.isNaN(Number(w))) {
+        this.w = Number(w);
+      } else {
+        this.w = w;
+      }
+    }
+    if (wtimeout != null) {
+      this.wtimeout = wtimeout;
+    }
+    if (j != null) {
+      this.j = j;
+    }
+    if (fsync != null) {
+      this.fsync = fsync;
+    }
+  }
+
+  /** Construct a WriteConcern given an options object. */
+  static fromOptions(
+    options?: WriteConcernOptions | WriteConcern | W,
+    inherit?: WriteConcernOptions | WriteConcern
+  ): WriteConcern | undefined {
+    if (options == null) return undefined;
+    inherit = inherit ?? {};
+    let opts: WriteConcernSettings | WriteConcern | undefined;
+    if (typeof options === 'string' || typeof options === 'number') {
+      opts = { w: options };
+    } else if (options instanceof WriteConcern) {
+      opts = options;
+    } else {
+      opts = options.writeConcern;
+    }
+    const parentOpts: WriteConcern | WriteConcernSettings | undefined =
+      inherit instanceof WriteConcern ? inherit : inherit.writeConcern;
+
+    const {
+      w = undefined,
+      wtimeout = undefined,
+      j = undefined,
+      fsync = undefined,
+      journal = undefined,
+      wtimeoutMS = undefined
+    } = {
+      ...parentOpts,
+      ...opts
+    };
+    if (
+      w != null ||
+      wtimeout != null ||
+      wtimeoutMS != null ||
+      j != null ||
+      journal != null ||
+      fsync != null
+    ) {
+      return new WriteConcern(w, wtimeout ?? wtimeoutMS, j ?? journal, fsync);
+    }
+    return undefined;
+  }
+}
diff --git a/node_modules/mongoose/node_modules/mongodb/tsconfig.json b/node_modules/mongoose/node_modules/mongodb/tsconfig.json
new file mode 100644
index 000000000..a2724c494
--- /dev/null
+++ b/node_modules/mongoose/node_modules/mongodb/tsconfig.json
@@ -0,0 +1,40 @@
+{
+  "compilerOptions": {
+    "allowJs": false,
+    "checkJs": false,
+    "strict": true,
+    "alwaysStrict": true,
+    "target": "ES2019",
+    "module": "commonJS",
+    "moduleResolution": "node",
+    "skipLibCheck": true,
+    "lib": ["es2020"],
+    // We don't make use of tslib helpers, all syntax used is supported by target engine
+    "importHelpers": false,
+    "noEmitHelpers": true,
+    // Never emit error filled code
+    "noEmitOnError": true,
+    "outDir": "lib",
+    "importsNotUsedAsValues": "error",
+    // We want the sourcemaps in a separate file
+    "inlineSourceMap": false,
+    "sourceMap": true,
+    // API-Extractor uses declaration maps to report problems in source, no need to distribute
+    "declaration": true,
+    "declarationMap": true,
+    // we include sources in the release
+    "inlineSources": false,
+    // Prevents web types from being suggested by vscode.
+    "types": ["node"],
+    "forceConsistentCasingInFileNames": true,
+    "noImplicitOverride": true,
+    "noImplicitReturns": true,
+    // TODO(NODE-3659): Enable useUnknownInCatchVariables and add type assertions or remove unnecessary catch blocks
+    "useUnknownInCatchVariables": false
+  },
+  "ts-node": {
+    "transpileOnly": true,
+    "compiler": "typescript-cached-transpile"
+  },
+  "include": ["src/**/*"]
+}
diff --git a/node_modules/mongoose/node_modules/ms/index.js b/node_modules/mongoose/node_modules/ms/index.js
new file mode 100644
index 000000000..ea734fb73
--- /dev/null
+++ b/node_modules/mongoose/node_modules/ms/index.js
@@ -0,0 +1,162 @@
+/**
+ * Helpers.
+ */
+
+var s = 1000;
+var m = s * 60;
+var h = m * 60;
+var d = h * 24;
+var w = d * 7;
+var y = d * 365.25;
+
+/**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @param {String|Number} val
+ * @param {Object} [options]
+ * @throws {Error} throw an error if val is not a non-empty string or a number
+ * @return {String|Number}
+ * @api public
+ */
+
+module.exports = function (val, options) {
+  options = options || {};
+  var type = typeof val;
+  if (type === 'string' && val.length > 0) {
+    return parse(val);
+  } else if (type === 'number' && isFinite(val)) {
+    return options.long ? fmtLong(val) : fmtShort(val);
+  }
+  throw new Error(
+    'val is not a non-empty string or a valid number. val=' +
+      JSON.stringify(val)
+  );
+};
+
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @param {String} str
+ * @return {Number}
+ * @api private
+ */
+
+function parse(str) {
+  str = String(str);
+  if (str.length > 100) {
+    return;
+  }
+  var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(
+    str
+  );
+  if (!match) {
+    return;
+  }
+  var n = parseFloat(match[1]);
+  var type = (match[2] || 'ms').toLowerCase();
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'yrs':
+    case 'yr':
+    case 'y':
+      return n * y;
+    case 'weeks':
+    case 'week':
+    case 'w':
+      return n * w;
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d;
+    case 'hours':
+    case 'hour':
+    case 'hrs':
+    case 'hr':
+    case 'h':
+      return n * h;
+    case 'minutes':
+    case 'minute':
+    case 'mins':
+    case 'min':
+    case 'm':
+      return n * m;
+    case 'seconds':
+    case 'second':
+    case 'secs':
+    case 'sec':
+    case 's':
+      return n * s;
+    case 'milliseconds':
+    case 'millisecond':
+    case 'msecs':
+    case 'msec':
+    case 'ms':
+      return n;
+    default:
+      return undefined;
+  }
+}
+
+/**
+ * Short format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtShort(ms) {
+  var msAbs = Math.abs(ms);
+  if (msAbs >= d) {
+    return Math.round(ms / d) + 'd';
+  }
+  if (msAbs >= h) {
+    return Math.round(ms / h) + 'h';
+  }
+  if (msAbs >= m) {
+    return Math.round(ms / m) + 'm';
+  }
+  if (msAbs >= s) {
+    return Math.round(ms / s) + 's';
+  }
+  return ms + 'ms';
+}
+
+/**
+ * Long format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtLong(ms) {
+  var msAbs = Math.abs(ms);
+  if (msAbs >= d) {
+    return plural(ms, msAbs, d, 'day');
+  }
+  if (msAbs >= h) {
+    return plural(ms, msAbs, h, 'hour');
+  }
+  if (msAbs >= m) {
+    return plural(ms, msAbs, m, 'minute');
+  }
+  if (msAbs >= s) {
+    return plural(ms, msAbs, s, 'second');
+  }
+  return ms + ' ms';
+}
+
+/**
+ * Pluralization helper.
+ */
+
+function plural(ms, msAbs, n, name) {
+  var isPlural = msAbs >= n * 1.5;
+  return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
+}
diff --git a/node_modules/mongoose/node_modules/ms/license.md b/node_modules/mongoose/node_modules/ms/license.md
new file mode 100644
index 000000000..fa5d39b62
--- /dev/null
+++ b/node_modules/mongoose/node_modules/ms/license.md
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2020 Vercel, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/mongoose/node_modules/ms/package.json b/node_modules/mongoose/node_modules/ms/package.json
new file mode 100644
index 000000000..49971890d
--- /dev/null
+++ b/node_modules/mongoose/node_modules/ms/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "ms",
+  "version": "2.1.3",
+  "description": "Tiny millisecond conversion utility",
+  "repository": "vercel/ms",
+  "main": "./index",
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "precommit": "lint-staged",
+    "lint": "eslint lib/* bin/*",
+    "test": "mocha tests.js"
+  },
+  "eslintConfig": {
+    "extends": "eslint:recommended",
+    "env": {
+      "node": true,
+      "es6": true
+    }
+  },
+  "lint-staged": {
+    "*.js": [
+      "npm run lint",
+      "prettier --single-quote --write",
+      "git add"
+    ]
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "eslint": "4.18.2",
+    "expect.js": "0.3.1",
+    "husky": "0.14.3",
+    "lint-staged": "5.0.0",
+    "mocha": "4.0.1",
+    "prettier": "2.0.5"
+  }
+}
diff --git a/node_modules/mongoose/node_modules/ms/readme.md b/node_modules/mongoose/node_modules/ms/readme.md
new file mode 100644
index 000000000..0fc1abb3b
--- /dev/null
+++ b/node_modules/mongoose/node_modules/ms/readme.md
@@ -0,0 +1,59 @@
+# ms
+
+![CI](https://github.com/vercel/ms/workflows/CI/badge.svg)
+
+Use this package to easily convert various time formats to milliseconds.
+
+## Examples
+
+```js
+ms('2 days')  // 172800000
+ms('1d')      // 86400000
+ms('10h')     // 36000000
+ms('2.5 hrs') // 9000000
+ms('2h')      // 7200000
+ms('1m')      // 60000
+ms('5s')      // 5000
+ms('1y')      // 31557600000
+ms('100')     // 100
+ms('-3 days') // -259200000
+ms('-1h')     // -3600000
+ms('-200')    // -200
+```
+
+### Convert from Milliseconds
+
+```js
+ms(60000)             // "1m"
+ms(2 * 60000)         // "2m"
+ms(-3 * 60000)        // "-3m"
+ms(ms('10 hours'))    // "10h"
+```
+
+### Time Format Written-Out
+
+```js
+ms(60000, { long: true })             // "1 minute"
+ms(2 * 60000, { long: true })         // "2 minutes"
+ms(-3 * 60000, { long: true })        // "-3 minutes"
+ms(ms('10 hours'), { long: true })    // "10 hours"
+```
+
+## Features
+
+- Works both in [Node.js](https://nodejs.org) and in the browser
+- If a number is supplied to `ms`, a string with a unit is returned
+- If a string that contains the number is supplied, it returns it as a number (e.g.: it returns `100` for `'100'`)
+- If you pass a string with a number and a valid unit, the number of equivalent milliseconds is returned
+
+## Related Packages
+
+- [ms.macro](https://github.com/knpwrs/ms.macro) - Run `ms` as a macro at build-time.
+
+## Caught a Bug?
+
+1. [Fork](https://help.github.com/articles/fork-a-repo/) this repository to your own GitHub account and then [clone](https://help.github.com/articles/cloning-a-repository/) it to your local device
+2. Link the package to the global module directory: `npm link`
+3. Within the module you want to test your local development instance of ms, just link it to the dependencies: `npm link ms`. Instead of the default one from npm, Node.js will now use your clone of ms!
+
+As always, you can run the tests using: `npm test`
diff --git a/node_modules/mongoose/package.json b/node_modules/mongoose/package.json
new file mode 100644
index 000000000..5a2fc5d5a
--- /dev/null
+++ b/node_modules/mongoose/package.json
@@ -0,0 +1,148 @@
+{
+  "name": "mongoose",
+  "description": "Mongoose MongoDB ODM",
+  "version": "6.6.1",
+  "author": "Guillermo Rauch <guillermo@learnboost.com>",
+  "keywords": [
+    "mongodb",
+    "document",
+    "model",
+    "schema",
+    "database",
+    "odm",
+    "data",
+    "datastore",
+    "query",
+    "nosql",
+    "orm",
+    "db"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "bson": "^4.6.5",
+    "kareem": "2.4.1",
+    "mongodb": "4.9.1",
+    "mpath": "0.9.0",
+    "mquery": "4.0.3",
+    "ms": "2.1.3",
+    "sift": "16.0.0"
+  },
+  "devDependencies": {
+    "@babel/core": "7.19.0",
+    "@typescript-eslint/eslint-plugin": "5.36.2",
+    "@typescript-eslint/parser": "5.36.2",
+    "acquit": "1.2.1",
+    "acquit-ignore": "0.2.0",
+    "acquit-require": "0.1.1",
+    "assert-browserify": "2.0.0",
+    "axios": "0.27.2",
+    "babel-loader": "8.2.5",
+    "benchmark": "2.1.4",
+    "bluebird": "3.7.2",
+    "buffer": "^5.6.0",
+    "cheerio": "1.0.0-rc.12",
+    "crypto-browserify": "3.12.0",
+    "dox": "1.0.0",
+    "eslint": "8.23.0",
+    "eslint-plugin-mocha-no-only": "1.1.1",
+    "express": "^4.18.1",
+    "highlight.js": "11.6.0",
+    "lodash.isequal": "4.5.0",
+    "lodash.isequalwith": "4.4.0",
+    "marked": "4.1.0",
+    "mkdirp": "^1.0.4",
+    "mocha": "10.0.0",
+    "moment": "2.x",
+    "mongodb-memory-server": "8.9.1",
+    "ncp": "^2.0.0",
+    "nyc": "15.1.0",
+    "pug": "3.0.2",
+    "q": "1.5.1",
+    "sinon": "14.0.0",
+    "stream-browserify": "3.0.0",
+    "ts-benchmark": "^1.1.10",
+    "tsd": "0.23.0",
+    "typescript": "4.8.3",
+    "uuid": "9.0.0",
+    "webpack": "5.74.0"
+  },
+  "directories": {
+    "lib": "./lib/mongoose"
+  },
+  "scripts": {
+    "docs:clean": "npm run docs:clean:stable",
+    "docs:clean:stable": "rimraf index.html && rimraf -rf ./docs/*.html  && rimraf -rf ./docs/api && rimraf -rf ./docs/tutorials/*.html && rimraf -rf ./docs/typescript/*.html && rimraf -rf ./docs/*.html && rimraf -rf ./docs/source/_docs && rimraf -rf ./tmp",
+    "docs:clean:legacy": "rimraf index.html && rimraf -rf ./docs/5.x && rimraf -rf ./docs/source/_docs && rimraf -rf ./tmp",
+    "docs:copy:tmp": "mkdirp ./tmp/docs/css && mkdirp ./tmp/docs/js && mkdirp ./tmp/docs/images && mkdirp ./tmp/docs/tutorials && mkdirp ./tmp/docs/typescript && ncp ./docs/css ./tmp/docs/css --filter=.css$ && ncp ./docs/js ./tmp/docs/js --filter=.js$ && ncp ./docs/images ./tmp/docs/images && ncp ./docs/tutorials ./tmp/docs/tutorials && ncp ./docs/typescript ./tmp/docs/typescript && cp index.html ./tmp",
+    "docs:copy:tmp:legacy": "rimraf ./docs/5.x && ncp ./tmp ./docs/5.x",
+    "docs:checkout:gh-pages": "git checkout gh-pages",
+    "docs:checkout:legacy": "git checkout 5.x",
+    "docs:generate": "node ./scripts/website.js",
+    "docs:generate:search": "node docs/search.js",
+    "docs:merge:stable": "git merge master",
+    "docs:merge:legacy": "git merge 5.x",
+    "docs:test": "npm run docs:generate && npm run docs:generate:search",
+    "docs:view": "node ./scripts/static.js",
+    "docs:prepare:publish:stable": "npm run docs:checkout:gh-pages && npm run docs:merge:stable && npm run docs:clean:stable && npm run docs:generate && npm run docs:generate:search",
+    "docs:prepare:publish:legacy": "npm run docs:checkout:legacy && npm run docs:merge:legacy && npm run docs:clean:stable && npm run docs:generate && npm run docs:copy:tmp && docs:checkout:gh-pages && docs:copy:tmp:legacy",
+    "lint": "eslint .",
+    "lint-js": "eslint . --ext .js",
+    "lint-ts": "eslint . --ext .ts",
+    "build-browser": "node ./scripts/build-browser.js",
+    "prepublishOnly": "npm run build-browser",
+    "release": "git pull && git push origin master --tags && npm publish",
+    "release-legacy": "git pull origin 5.x && git push origin 5.x --tags && npm publish --tag legacy",
+    "mongo": "node ./tools/repl.js",
+    "test": "mocha --exit ./test/*.test.js",
+    "test-rs": "START_REPLICA_SET=1 mocha --timeout 30000 --exit ./test/*.test.js",
+    "test-tsd": "node ./test/types/check-types-filename && tsd",
+    "tdd": "mocha ./test/*.test.js --inspect --watch --recursive --watch-files ./**/*.{js,ts}",
+    "test-coverage": "nyc --reporter=html --reporter=text npm test",
+    "ts-benchmark": "ts-benchmark -p ./benchmarks/typescript/simple -f 17/100000 18 29 32",
+    "ts-benchmark-watch": "ts-benchmark -p ./benchmarks/typescript/simple -w ./types -i -s -f 17/100000 18 29 32 -b master"
+  },
+  "main": "./index.js",
+  "types": "./types/index.d.ts",
+  "engines": {
+    "node": ">=12.0.0"
+  },
+  "bugs": {
+    "url": "https://github.com/Automattic/mongoose/issues/new"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/Automattic/mongoose.git"
+  },
+  "homepage": "https://mongoosejs.com",
+  "browser": "./dist/browser.umd.js",
+  "mocha": {
+    "extension": [
+      "test.js"
+    ],
+    "watch-files": [
+      "test/**/*.js"
+    ]
+  },
+  "config": {
+    "mongodbMemoryServer": {
+      "disablePostinstall": true
+    }
+  },
+  "funding": {
+    "type": "opencollective",
+    "url": "https://opencollective.com/mongoose"
+  },
+  "tsd": {
+    "directory": "test/types",
+    "compilerOptions": {
+      "esModuleInterop": false,
+      "strict": true,
+      "allowSyntheticDefaultImports": true,
+      "strictPropertyInitialization": false,
+      "noImplicitAny": false,
+      "strictNullChecks": true,
+      "module": "commonjs",
+      "target": "ES2017"
+    }
+  }
+}
diff --git a/node_modules/mongoose/scripts/build-browser.js b/node_modules/mongoose/scripts/build-browser.js
new file mode 100644
index 000000000..f6f0680f9
--- /dev/null
+++ b/node_modules/mongoose/scripts/build-browser.js
@@ -0,0 +1,18 @@
+'use strict';
+
+const config = require('../webpack.config.js');
+const webpack = require('webpack');
+
+const compiler = webpack(config);
+
+console.log('Starting browser build...');
+compiler.run((err, stats) => {
+  if (err) {
+    console.err(stats.toString());
+    console.err('Browser build unsuccessful.');
+    process.exit(1);
+  }
+  console.log(stats.toString());
+  console.log('Browser build successful.');
+  process.exit(0);
+});
diff --git a/node_modules/mongoose/scripts/create-tarball.js b/node_modules/mongoose/scripts/create-tarball.js
new file mode 100644
index 000000000..f93d22969
--- /dev/null
+++ b/node_modules/mongoose/scripts/create-tarball.js
@@ -0,0 +1,7 @@
+'use strict';
+
+const { execSync } = require('child_process');
+const { name, version } = require('../package.json');
+
+execSync('npm pack');
+execSync(`mv ${name}-${version}.tgz ${name}.tgz`);
diff --git a/node_modules/mongoose/tools/auth.js b/node_modules/mongoose/tools/auth.js
new file mode 100644
index 000000000..2fddafaf7
--- /dev/null
+++ b/node_modules/mongoose/tools/auth.js
@@ -0,0 +1,31 @@
+'use strict';
+
+const Server = require('mongodb-topology-manager').Server;
+const mongodb = require('mongodb');
+
+run().catch(error => {
+  console.error(error);
+  process.exit(-1);
+});
+
+async function run() {
+  // Create new instance
+  const server = new Server('mongod', {
+    auth: null,
+    dbpath: '/data/db/27017'
+  });
+
+  // Purge the directory
+  await server.purge();
+
+  // Start process
+  await server.start();
+
+  const db = await mongodb.MongoClient.connect('mongodb://localhost:27017/admin');
+
+  await db.addUser('passwordIsTaco', 'taco', {
+    roles: ['dbOwner']
+  });
+
+  console.log('done');
+}
\ No newline at end of file
diff --git a/node_modules/mongoose/tools/repl.js b/node_modules/mongoose/tools/repl.js
new file mode 100644
index 000000000..bc3d2695a
--- /dev/null
+++ b/node_modules/mongoose/tools/repl.js
@@ -0,0 +1,35 @@
+'use strict';
+
+run().catch(error => {
+  console.error(error);
+  process.exit(-1);
+});
+
+async function run() {
+  const ReplSet = require('mongodb-memory-server').MongoMemoryReplSet;
+
+  // Create new instance
+  const replSet = new ReplSet({
+    binary: {
+      version: process.argv[2]
+    },
+    instanceOpts: [
+      // Set the expiry job in MongoDB to run every second
+      {
+        port: 27017,
+        args: ['--setParameter', 'ttlMonitorSleepSecs=1']
+      }
+    ],
+    dbName: 'mongoose_test',
+    replSet: {
+      name: 'rs0',
+      count: 2,
+      storageEngine: 'wiredTiger'
+    }
+  });
+
+  await replSet.start();
+  await replSet.waitUntilRunning();
+  console.log('MongoDB-ReplicaSet is now running.');
+  console.log(replSet.getUri('mongoose_test'));
+}
diff --git a/node_modules/mongoose/tools/sharded.js b/node_modules/mongoose/tools/sharded.js
new file mode 100644
index 000000000..39aeed3d5
--- /dev/null
+++ b/node_modules/mongoose/tools/sharded.js
@@ -0,0 +1,46 @@
+'use strict';
+
+run().catch(error => {
+  console.error(error);
+  process.exit(-1);
+});
+
+
+async function run() {
+  const Sharded = require('mongodb-topology-manager').Sharded;
+
+  // Create new instance
+  const topology = new Sharded({
+    mongod: 'mongod',
+    mongos: 'mongos'
+  });
+
+  await topology.addShard([{
+    options: {
+      bind_ip: 'localhost', port: 31000, dbpath: '/data/db/31000', shardsvr: null
+    }
+  }], { replSet: 'rs1' });
+
+  await topology.addConfigurationServers([{
+    options: {
+      bind_ip: 'localhost', port: 35000, dbpath: '/data/db/35000'
+    }
+  }], { replSet: 'rs0' });
+
+  await topology.addProxies([{
+    bind_ip: 'localhost', port: 51000, configdb: 'localhost:35000'
+  }], {
+    binary: 'mongos'
+  });
+
+  console.log('Start...');
+  // Start up topology
+  await topology.start();
+
+  console.log('Started');
+
+  // Shard db
+  await topology.enableSharding('test');
+
+  console.log('done');
+}
\ No newline at end of file
diff --git a/node_modules/mongoose/tsconfig.json b/node_modules/mongoose/tsconfig.json
new file mode 100644
index 000000000..10f087f4b
--- /dev/null
+++ b/node_modules/mongoose/tsconfig.json
@@ -0,0 +1,9 @@
+{
+  "compilerOptions": {
+    "strict": true,
+    "strictNullChecks": true,
+    "paths": {
+      "mongoose" : ["./types/index.d.ts"]
+    }
+  }
+}
diff --git a/node_modules/mongoose/types/aggregate.d.ts b/node_modules/mongoose/types/aggregate.d.ts
new file mode 100644
index 000000000..df5b4efdc
--- /dev/null
+++ b/node_modules/mongoose/types/aggregate.d.ts
@@ -0,0 +1,229 @@
+declare module 'mongoose' {
+  import mongodb = require('mongodb');
+
+  /** Extract generic type from Aggregate class */
+  type AggregateExtract<P> = P extends Aggregate<infer T> ? T : never;
+
+  interface AggregateOptions extends
+    SessionOption {
+    /**
+     * If true, the MongoDB server will use the hard drive to store data during this aggregation.
+     */
+    allowDiskUse?: boolean;
+    /**
+     * Applicable only if you specify the $out or $merge aggregation stages.
+     *
+     * Enables db.collection.aggregate() to bypass document validation during the operation. This lets you insert documents that do not meet the validation requirements.
+     */
+    bypassDocumentValidation?: boolean;
+    /**
+     * The BSON-serializer will check if keys are valid
+     */
+    collation?: mongodb.CollationOptions;
+    /**
+     * Users can specify an arbitrary string to help trace the operation through the database profiler, currentOp, and logs.
+     */
+    comment?: string;
+    /**
+     *  Specifies the initial batch size for the cursor. The value of the cursor field is a document with the field batchSize.
+     */
+    cursor?: { batchSize?: number; };
+
+    /**
+     * Specifies to return the information on the processing of the pipeline. See Return Information on Aggregation Pipeline Operation for an example.
+     *
+     * Not available in multi-document transactions.
+     */
+    explain?: mongodb.ExplainVerbosityLike;
+    /**
+     * The index to use for the aggregation. The index is on the initial collection/view against which the aggregation is run.
+     */
+    hint?: string | AnyObject;
+    /**
+     * Specifies a document with a list of variables. This allows you to improve command readability by separating the variables from the query text.
+     */
+    let?: AnyObject;
+    /**
+     * Specifies a time limit in milliseconds for processing operations on a cursor. If you do not specify a value for maxTimeMS, operations will not time out. A value of 0 explicitly specifies the default unbounded behavior.
+     *
+     * @see https://docs.mongodb.com/manual/reference/operator/meta/maxTimeMS/
+     */
+    maxTimeMS?: number;
+    /**
+     * Return BSON filled buffers from operations.
+     */
+    raw?: boolean;
+    /**
+     * Specifies the read concern.
+     */
+    readConcern?: mongodb.ReadConcernLike;
+    /**
+     * The preferred read preference.
+     */
+    readPreference?: mongodb.ReadPreferenceLike;
+    /**
+     * Specifies the write concern.
+     */
+    writeConcern?: mongodb.WriteConcern;
+    [key: string]: any;
+  }
+
+  class Aggregate<R> implements SessionOperation {
+    /**
+     * Returns an asyncIterator for use with [`for/await/of` loops](https://thecodebarbarian.com/getting-started-with-async-iterators-in-node-js)
+     * You do not need to call this function explicitly, the JavaScript runtime
+     * will call it for you.
+     */
+    [Symbol.asyncIterator](): AsyncIterableIterator<Unpacked<R>>;
+
+    options: AggregateOptions;
+
+    /**
+     * Sets an option on this aggregation. This function will be deprecated in a
+     * future release.
+     *
+     * @deprecated
+     */
+    addCursorFlag(flag: CursorFlag, value: boolean): this;
+
+    /**
+     * Appends a new $addFields operator to this aggregate pipeline.
+     * Requires MongoDB v3.4+ to work
+     */
+    addFields(arg: PipelineStage.AddFields['$addFields']): this;
+
+    /** Sets the allowDiskUse option for the aggregation query */
+    allowDiskUse(value: boolean): this;
+
+    /** Appends new operators to this aggregate pipeline */
+    append(...args: PipelineStage[]): this;
+
+    /**
+     * Executes the query returning a `Promise` which will be
+     * resolved with either the doc(s) or rejected with the error.
+     * Like [`.then()`](#query_Query-then), but only takes a rejection handler.
+     */
+    catch: Promise<R>['catch'];
+
+    /** Set the collation. */
+    collation(options: mongodb.CollationOptions): this;
+
+    /** Appends a new $count operator to this aggregate pipeline. */
+    count(fieldName: PipelineStage.Count['$count']): this;
+
+    /** Appends a new $densify operator to this aggregate pipeline */
+    densify(arg: PipelineStage.Densify['$densify']): this;
+
+    /**
+     * Sets the cursor option for the aggregation query
+     */
+    cursor<DocType = any>(options?: Record<string, unknown>): Cursor<DocType>;
+
+
+    /** Executes the aggregate pipeline on the currently bound Model. */
+    exec(callback: Callback<R>): void;
+    exec(): Promise<R>;
+
+    /** Execute the aggregation with explain */
+    explain(verbosity: mongodb.ExplainVerbosityLike, callback: Callback<AnyObject>): void;
+    explain(verbosity: mongodb.ExplainVerbosityLike): Promise<AnyObject>;
+    explain(callback: Callback<AnyObject>): void;
+    explain(): Promise<AnyObject>;
+
+    /** Combines multiple aggregation pipelines. */
+    facet(options: PipelineStage.Facet['$facet']): this;
+
+    /** Appends new custom $graphLookup operator(s) to this aggregate pipeline, performing a recursive search on a collection. */
+    graphLookup(options: PipelineStage.GraphLookup['$graphLookup']): this;
+
+    /** Appends new custom $group operator to this aggregate pipeline. */
+    group(arg: PipelineStage.Group['$group']): this;
+
+    /** Sets the hint option for the aggregation query */
+    hint(value: Record<string, unknown> | string): this;
+
+    /**
+     * Appends a new $limit operator to this aggregate pipeline.
+     * @param num maximum number of records to pass to the next stage
+     */
+    limit(num: PipelineStage.Limit['$limit']): this;
+
+    /** Appends new custom $lookup operator to this aggregate pipeline. */
+    lookup(options: PipelineStage.Lookup['$lookup']): this;
+
+    /**
+     * Appends a new custom $match operator to this aggregate pipeline.
+     * @param arg $match operator contents
+     */
+    match(arg: PipelineStage.Match['$match']): this;
+
+    /**
+     * Binds this aggregate to a model.
+     * @param model the model to which the aggregate is to be bound
+     */
+    model(model: Model<any>): this;
+
+    /**
+     * Append a new $near operator to this aggregation pipeline
+     * @param arg $near operator contents
+     */
+    near(arg: { near?: number[]; distanceField: string; maxDistance?: number; query?: Record<string, any>; includeLocs?: string; num?: number; uniqueDocs?: boolean }): this;
+
+    /** Returns the current pipeline */
+    pipeline(): PipelineStage[];
+
+    /** Appends a new $project operator to this aggregate pipeline. */
+    project(arg: PipelineStage.Project['$project']): this;
+
+    /** Sets the readPreference option for the aggregation query. */
+    read(pref: mongodb.ReadPreferenceLike): this;
+
+    /** Sets the readConcern level for the aggregation query. */
+    readConcern(level: string): this;
+
+    /** Appends a new $redact operator to this aggregate pipeline. */
+    redact(expression: PipelineStage.Redact['$redact'], thenExpr: '$$DESCEND' | '$$PRUNE' | '$$KEEP' | AnyObject, elseExpr: '$$DESCEND' | '$$PRUNE' | '$$KEEP' | AnyObject): this;
+
+    /** Appends a new $replaceRoot operator to this aggregate pipeline. */
+    replaceRoot(newRoot: PipelineStage.ReplaceRoot['$replaceRoot']['newRoot'] | string): this;
+
+    /**
+     * Helper for [Atlas Text Search](https://docs.atlas.mongodb.com/reference/atlas-search/tutorial/)'s
+     * `$search` stage.
+     */
+    search(options: PipelineStage.Search['$search']): this;
+
+    /** Lets you set arbitrary options, for middlewares or plugins. */
+    option(value: AggregateOptions): this;
+
+    /** Appends new custom $sample operator to this aggregate pipeline. */
+    sample(arg: PipelineStage.Sample['$sample']['size']): this;
+
+    /** Sets the session for this aggregation. Useful for [transactions](/docs/transactions.html). */
+    session(session: mongodb.ClientSession | null): this;
+
+    /**
+     * Appends a new $skip operator to this aggregate pipeline.
+     * @param num number of records to skip before next stage
+     */
+    skip(num: PipelineStage.Skip['$skip']): this;
+
+    /** Appends a new $sort operator to this aggregate pipeline. */
+    sort(arg: string | Record<string, SortValues> | PipelineStage.Sort['$sort']): this;
+
+    /** Provides promise for aggregate. */
+    then: Promise<R>['then'];
+
+    /**
+     * Appends a new $sortByCount operator to this aggregate pipeline. Accepts either a string field name
+     * or a pipeline object.
+     */
+    sortByCount(arg: string | PipelineStage.SortByCount['$sortByCount']): this;
+
+    /** Appends new $unionWith operator to this aggregate pipeline. */
+    unionWith(options: PipelineStage.UnionWith['$unionWith']): this;
+
+    /** Appends new custom $unwind operator(s) to this aggregate pipeline. */
+    unwind(...args: PipelineStage.Unwind['$unwind'][]): this;
+  }
+}
diff --git a/node_modules/mongoose/types/callback.d.ts b/node_modules/mongoose/types/callback.d.ts
new file mode 100644
index 000000000..370379ab4
--- /dev/null
+++ b/node_modules/mongoose/types/callback.d.ts
@@ -0,0 +1,8 @@
+declare module 'mongoose' {
+  type CallbackError = NativeError | null;
+
+  type Callback<T = any> = (error: CallbackError, result: T) => void;
+
+  type CallbackWithoutResult = (error: CallbackError) => void;
+  type CallbackWithoutResultAndOptionalError = (error?: CallbackError) => void;
+}
diff --git a/node_modules/mongoose/types/collection.d.ts b/node_modules/mongoose/types/collection.d.ts
new file mode 100644
index 000000000..e46a2bb10
--- /dev/null
+++ b/node_modules/mongoose/types/collection.d.ts
@@ -0,0 +1,46 @@
+declare module 'mongoose' {
+  import mongodb = require('mongodb');
+
+  /*
+   * section collection.js
+   * http://mongoosejs.com/docs/api.html#collection-js
+   */
+  interface CollectionBase<T extends mongodb.Document> extends mongodb.Collection<T> {
+    /*
+     * Abstract methods. Some of these are already defined on the
+     * mongodb.Collection interface so they've been commented out.
+     */
+    ensureIndex(...args: any[]): any;
+    findAndModify(...args: any[]): any;
+    getIndexes(...args: any[]): any;
+
+    /** The collection name */
+    collectionName: string;
+    /** The Connection instance */
+    conn: Connection;
+    /** The collection name */
+    name: string;
+  }
+
+  /*
+   * section drivers/node-mongodb-native/collection.js
+   * http://mongoosejs.com/docs/api.html#drivers-node-mongodb-native-collection-js
+   */
+  interface Collection<T extends mongodb.Document = mongodb.Document> extends CollectionBase<T> {
+    /**
+     * Collection constructor
+     * @param name name of the collection
+     * @param conn A MongooseConnection instance
+     * @param opts optional collection options
+     */
+    // eslint-disable-next-line @typescript-eslint/no-misused-new
+    new(name: string, conn: Connection, opts?: any): Collection<T>;
+    /** Formatter for debug print args */
+    $format(arg: any, color?: boolean, shell?: boolean): string;
+    /** Debug print helper */
+    $print(name: string, i: string | number, args: any[], color?: boolean, shell?: boolean): void;
+    /** Retrieves information about this collections indexes. */
+    getIndexes(): ReturnType<mongodb.Collection<T>['indexInformation']>;
+  }
+  let Collection: Collection;
+}
diff --git a/node_modules/mongoose/types/connection.d.ts b/node_modules/mongoose/types/connection.d.ts
new file mode 100644
index 000000000..7e6b77722
--- /dev/null
+++ b/node_modules/mongoose/types/connection.d.ts
@@ -0,0 +1,242 @@
+declare module 'mongoose' {
+  import mongodb = require('mongodb');
+  import events = require('events');
+
+  /** The Mongoose module's default connection. Equivalent to `mongoose.connections[0]`, see [`connections`](#mongoose_Mongoose-connections). */
+  const connection: Connection;
+
+  /** An array containing all connections associated with this Mongoose instance. */
+  const connections: Connection[];
+
+  /** Opens Mongoose's default connection to MongoDB, see [connections docs](https://mongoosejs.com/docs/connections.html) */
+  function connect(uri: string, options: ConnectOptions, callback: CallbackWithoutResult): void;
+  function connect(uri: string, callback: CallbackWithoutResult): void;
+  function connect(uri: string, options?: ConnectOptions): Promise<Mongoose>;
+
+  /** Creates a Connection instance. */
+  function createConnection(uri: string, options: ConnectOptions, callback: Callback<Connection>): void;
+  function createConnection(uri: string, callback: Callback<Connection>): void;
+  function createConnection(uri: string, options?: ConnectOptions): Connection;
+  function createConnection(): Connection;
+
+  function disconnect(callback: CallbackWithoutResult): void;
+  function disconnect(): Promise<void>;
+
+  /**
+   * Connection ready state
+   *
+   * - 0 = disconnected
+   * - 1 = connected
+   * - 2 = connecting
+   * - 3 = disconnecting
+   * - 99 = uninitialized
+   */
+  enum ConnectionStates {
+    disconnected = 0,
+    connected = 1,
+    connecting = 2,
+    disconnecting = 3,
+    uninitialized = 99,
+  }
+
+  /** Expose connection states for user-land */
+  const STATES: typeof ConnectionStates;
+
+  interface ConnectOptions extends mongodb.MongoClientOptions {
+    /** Set to false to [disable buffering](http://mongoosejs.com/docs/faq.html#callback_never_executes) on all models associated with this connection. */
+    bufferCommands?: boolean;
+    /** The name of the database you want to use. If not provided, Mongoose uses the database name from connection string. */
+    dbName?: string;
+    /** username for authentication, equivalent to `options.auth.user`. Maintained for backwards compatibility. */
+    user?: string;
+    /** password for authentication, equivalent to `options.auth.password`. Maintained for backwards compatibility. */
+    pass?: string;
+    /** Set to false to disable automatic index creation for all models associated with this connection. */
+    autoIndex?: boolean;
+    /** Set to `true` to make Mongoose automatically call `createCollection()` on every model created on this connection. */
+    autoCreate?: boolean;
+  }
+
+  class Connection extends events.EventEmitter implements SessionStarter {
+    /** Returns a promise that resolves when this connection successfully connects to MongoDB */
+    asPromise(): Promise<this>;
+
+    /** Closes the connection */
+    close(force: boolean, callback: CallbackWithoutResult): void;
+    close(callback: CallbackWithoutResult): void;
+    close(force?: boolean): Promise<void>;
+
+    /** Closes and destroys the connection. Connection once destroyed cannot be reopened */
+    destroy(force: boolean, callback: CallbackWithoutResult): void;
+    destroy(callback: CallbackWithoutResult): void;
+    destroy(force?: boolean): Promise<void>;
+
+    /** Retrieves a collection, creating it if not cached. */
+    collection<T extends AnyObject = AnyObject>(name: string, options?: mongodb.CreateCollectionOptions): Collection<T>;
+
+    /** A hash of the collections associated with this connection */
+    readonly collections: { [index: string]: Collection };
+
+    /** A hash of the global options that are associated with this connection */
+    readonly config: any;
+
+    /** The mongodb.Db instance, set when the connection is opened */
+    readonly db: mongodb.Db;
+
+    /**
+     * Helper for `createCollection()`. Will explicitly create the given collection
+     * with specified options. Used to create [capped collections](https://docs.mongodb.com/manual/core/capped-collections/)
+     * and [views](https://docs.mongodb.com/manual/core/views/) from mongoose.
+     */
+    createCollection<T extends AnyObject = AnyObject>(name: string, options: mongodb.CreateCollectionOptions, callback: Callback<mongodb.Collection<T>>): void;
+    createCollection<T extends AnyObject = AnyObject>(name: string, callback: Callback<mongodb.Collection<T>>): void;
+    createCollection<T extends AnyObject = AnyObject>(name: string, options?: mongodb.CreateCollectionOptions): Promise<mongodb.Collection<T>>;
+
+    /**
+     * Removes the model named `name` from this connection, if it exists. You can
+     * use this function to clean up any models you created in your tests to
+     * prevent OverwriteModelErrors.
+     */
+    deleteModel(name: string | RegExp): this;
+
+    /**
+     * Helper for `dropCollection()`. Will delete the given collection, including
+     * all documents and indexes.
+     */
+    dropCollection(collection: string, callback: CallbackWithoutResult): void;
+    dropCollection(collection: string): Promise<void>;
+
+    /**
+     * Helper for `dropDatabase()`. Deletes the given database, including all
+     * collections, documents, and indexes.
+     */
+    dropDatabase(callback: CallbackWithoutResult): void;
+    dropDatabase(): Promise<void>;
+
+    /** Gets the value of the option `key`. */
+    get(key: string): any;
+
+    /**
+     * Returns the [MongoDB driver `MongoClient`](https://mongodb.github.io/node-mongodb-native/4.9/classes/MongoClient.html) instance
+     * that this connection uses to talk to MongoDB.
+     */
+    getClient(): mongodb.MongoClient;
+
+    /**
+     * The host name portion of the URI. If multiple hosts, such as a replica set,
+     * this will contain the first host name in the URI
+     */
+    readonly host: string;
+
+    /**
+     * A number identifier for this connection. Used for debugging when
+     * you have [multiple connections](/docs/connections.html#multiple_connections).
+     */
+    readonly id: number;
+
+    /**
+     * A [POJO](https://masteringjs.io/tutorials/fundamentals/pojo) containing
+     * a map from model names to models. Contains all models that have been
+     * added to this connection using [`Connection#model()`](/docs/api/connection.html#connection_Connection-model).
+     */
+    readonly models: Readonly<{ [index: string]: Model<any> }>;
+
+    /** Defines or retrieves a model. */
+    model<TSchema extends Schema = any>(
+      name: string,
+      schema?: TSchema,
+      collection?: string,
+      options?: CompileModelOptions
+    ): Model<InferSchemaType<TSchema>, ObtainSchemaGeneric<TSchema, 'TQueryHelpers'>, ObtainSchemaGeneric<TSchema, 'TInstanceMethods'>, {}, TSchema> & ObtainSchemaGeneric<TSchema, 'TStaticMethods'>;
+    model<T, U, TQueryHelpers = {}>(
+      name: string,
+      schema?: Schema<T, any, any, TQueryHelpers, any, any>,
+      collection?: string,
+      options?: CompileModelOptions
+    ): U;
+    model<T>(name: string, schema?: Schema<T, any, any> | Schema<T & Document, any, any>, collection?: string, options?: CompileModelOptions): Model<T>;
+
+    /** Returns an array of model names created on this connection. */
+    modelNames(): Array<string>;
+
+    /** The name of the database this connection points to. */
+    readonly name: string;
+
+    /** Opens the connection with a URI using `MongoClient.connect()`. */
+    openUri(uri: string, options: ConnectOptions, callback: Callback<Connection>): Connection;
+    openUri(uri: string, callback: Callback<Connection>): Connection;
+    openUri(uri: string, options?: ConnectOptions): Promise<Connection>;
+
+    /** The password specified in the URI */
+    readonly pass: string;
+
+    /**
+     * The port portion of the URI. If multiple hosts, such as a replica set,
+     * this will contain the port from the first host name in the URI.
+     */
+    readonly port: number;
+
+    /** Declares a plugin executed on all schemas you pass to `conn.model()` */
+    plugin<S extends Schema = Schema, O = AnyObject>(fn: (schema: S, opts?: any) => void, opts?: O): Connection;
+
+    /** The plugins that will be applied to all models created on this connection. */
+    plugins: Array<any>;
+
+    /**
+     * Connection ready state
+     *
+     * - 0 = disconnected
+     * - 1 = connected
+     * - 2 = connecting
+     * - 3 = disconnecting
+     * - 99 = uninitialized
+     */
+    readonly readyState: ConnectionStates;
+
+    /** Sets the value of the option `key`. */
+    set(key: string, value: any): any;
+
+    /**
+     * Set the [MongoDB driver `MongoClient`](https://mongodb.github.io/node-mongodb-native/4.9/classes/MongoClient.html) instance
+     * that this connection uses to talk to MongoDB. This is useful if you already have a MongoClient instance, and want to
+     * reuse it.
+     */
+    setClient(client: mongodb.MongoClient): this;
+
+    /**
+     * _Requires MongoDB >= 3.6.0._ Starts a [MongoDB session](https://docs.mongodb.com/manual/release-notes/3.6/#client-sessions)
+     * for benefits like causal consistency, [retryable writes](https://docs.mongodb.com/manual/core/retryable-writes/),
+     * and [transactions](http://thecodebarbarian.com/a-node-js-perspective-on-mongodb-4-transactions.html).
+     */
+    startSession(options: ClientSessionOptions | undefined | null, callback: Callback<ClientSession>): void;
+    startSession(callback: Callback<ClientSession>): void;
+    startSession(options?: ClientSessionOptions): Promise<ClientSession>;
+
+    /**
+     * Makes the indexes in MongoDB match the indexes defined in every model's
+     * schema. This function will drop any indexes that are not defined in
+     * the model's schema except the `_id` index, and build any indexes that
+     * are in your schema but not in MongoDB.
+     */
+    syncIndexes(options: SyncIndexesOptions | undefined | null, callback: Callback<ConnectionSyncIndexesResult>): void;
+    syncIndexes(options?: SyncIndexesOptions): Promise<ConnectionSyncIndexesResult>;
+
+    /**
+     * _Requires MongoDB >= 3.6.0._ Executes the wrapped async function
+     * in a transaction. Mongoose will commit the transaction if the
+     * async function executes successfully and attempt to retry if
+     * there was a retryable error.
+     */
+    transaction(fn: (session: mongodb.ClientSession) => Promise<any>, options?: mongodb.TransactionOptions): Promise<void>;
+
+    /** Switches to a different database using the same connection pool. */
+    useDb(name: string, options?: { useCache?: boolean, noListener?: boolean }): Connection;
+
+    /** The username specified in the URI */
+    readonly user: string;
+
+    /** Watches the entire underlying database for changes. Similar to [`Model.watch()`](/docs/api/model.html#model_Model-watch). */
+    watch<ResultType extends mongodb.Document = any>(pipeline?: Array<any>, options?: mongodb.ChangeStreamOptions): mongodb.ChangeStream<ResultType>;
+  }
+
+}
diff --git a/node_modules/mongoose/types/cursor.d.ts b/node_modules/mongoose/types/cursor.d.ts
new file mode 100644
index 000000000..80e43530d
--- /dev/null
+++ b/node_modules/mongoose/types/cursor.d.ts
@@ -0,0 +1,55 @@
+declare module 'mongoose' {
+
+  import stream = require('stream');
+
+  type CursorFlag = 'tailable' | 'oplogReplay' | 'noCursorTimeout' | 'awaitData' | 'partial';
+
+  interface EachAsyncOptions {
+    parallel?: number;
+    batchSize?: number;
+    continueOnError?: boolean;
+  }
+
+  class Cursor<DocType = any, Options = never> extends stream.Readable {
+    [Symbol.asyncIterator](): AsyncIterableIterator<DocType>;
+
+    /**
+     * Adds a [cursor flag](https://mongodb.github.io/node-mongodb-native/4.9/classes/FindCursor.html#addCursorFlag).
+     * Useful for setting the `noCursorTimeout` and `tailable` flags.
+     */
+    addCursorFlag(flag: CursorFlag, value: boolean): this;
+
+    /**
+     * Marks this cursor as closed. Will stop streaming and subsequent calls to
+     * `next()` will error.
+     */
+    close(callback: CallbackWithoutResult): void;
+    close(): Promise<void>;
+
+    /**
+     * Execute `fn` for every document(s) in the cursor. If batchSize is provided
+     * `fn` will be executed for each batch of documents. If `fn` returns a promise,
+     * will wait for the promise to resolve before iterating on to the next one.
+     * Returns a promise that resolves when done.
+     */
+    eachAsync(fn: (doc: DocType[]) => any, options: EachAsyncOptions & { batchSize: number }, callback: CallbackWithoutResult): void;
+    eachAsync(fn: (doc: DocType) => any, options: EachAsyncOptions, callback: CallbackWithoutResult): void;
+    eachAsync(fn: (doc: DocType[]) => any, options: EachAsyncOptions & { batchSize: number }): Promise<void>;
+    eachAsync(fn: (doc: DocType) => any, options?: EachAsyncOptions): Promise<void>;
+
+    /**
+     * Registers a transform function which subsequently maps documents retrieved
+     * via the streams interface or `.next()`
+     */
+    map<ResultType>(fn: (res: DocType) => ResultType): Cursor<ResultType, Options>;
+
+    /**
+     * Get the next document from this cursor. Will return `null` when there are
+     * no documents left.
+     */
+    next(callback: Callback<DocType | null>): void;
+    next(): Promise<DocType>;
+
+    options: Options;
+  }
+}
diff --git a/node_modules/mongoose/types/document.d.ts b/node_modules/mongoose/types/document.d.ts
new file mode 100644
index 000000000..897527c45
--- /dev/null
+++ b/node_modules/mongoose/types/document.d.ts
@@ -0,0 +1,266 @@
+declare module 'mongoose' {
+  import mongodb = require('mongodb');
+
+  /** A list of paths to skip. If set, Mongoose will validate every modified path that is not in this list. */
+  type pathsToSkip = string[] | string;
+
+  interface DocumentSetOptions {
+    merge?: boolean;
+
+    [key: string]: any;
+  }
+
+  /**
+   * Generic types for Document:
+   * *  T - the type of _id
+   * *  TQueryHelpers - Object with any helpers that should be mixed into the Query type
+   * *  DocType - the type of the actual Document created
+   */
+  class Document<T = any, TQueryHelpers = any, DocType = any> {
+    constructor(doc?: any);
+
+    /** This documents _id. */
+    _id?: T;
+
+    /** This documents __v. */
+    __v?: any;
+
+    /** Assert that a given path or paths is populated. Throws an error if not populated. */
+    $assertPopulated<Paths = {}>(path: string | string[], values?: Partial<Paths>): Omit<this, keyof Paths> & Paths;
+
+    /* Get all subdocs (by bfs) */
+    $getAllSubdocs(): Document[];
+
+    /** Don't run validation on this path or persist changes to this path. */
+    $ignore(path: string): void;
+
+    /** Checks if a path is set to its default. */
+    $isDefault(path: string): boolean;
+
+    /** Getter/setter, determines whether the document was removed or not. */
+    $isDeleted(val?: boolean): boolean;
+
+    /** Returns an array of all populated documents associated with the query */
+    $getPopulatedDocs(): Document[];
+
+    /**
+     * Increments the numeric value at `path` by the given `val`.
+     * When you call `save()` on this document, Mongoose will send a
+     * `$inc` as opposed to a `$set`.
+     */
+    $inc(path: string | string[], val?: number): this;
+
+    /**
+     * Returns true if the given path is nullish or only contains empty objects.
+     * Useful for determining whether this subdoc will get stripped out by the
+     * [minimize option](/docs/guide.html#minimize).
+     */
+    $isEmpty(path: string): boolean;
+
+    /** Checks if a path is invalid */
+    $isValid(path: string): boolean;
+
+    /**
+     * Empty object that you can use for storing properties on the document. This
+     * is handy for passing data to middleware without conflicting with Mongoose
+     * internals.
+     */
+    $locals: Record<string, unknown>;
+
+    /** Marks a path as valid, removing existing validation errors. */
+    $markValid(path: string): void;
+
+    /** Returns the model with the given name on this document's associated connection. */
+    $model<ModelType = Model<unknown>>(name: string): ModelType;
+
+    /**
+     * A string containing the current operation that Mongoose is executing
+     * on this document. Can be `null`, `'save'`, `'validate'`, or `'remove'`.
+     */
+    $op: 'save' | 'validate' | 'remove' | null;
+
+    /**
+     * Getter/setter around the session associated with this document. Used to
+     * automatically set `session` if you `save()` a doc that you got from a
+     * query with an associated session.
+     */
+    $session(session?: ClientSession | null): ClientSession | null;
+
+    /** Alias for `set()`, used internally to avoid conflicts */
+    $set(path: string, val: any, type: any, options?: DocumentSetOptions): this;
+    $set(path: string, val: any, options?: DocumentSetOptions): this;
+    $set(value: any): this;
+
+    /** Set this property to add additional query filters when Mongoose saves this document and `isNew` is false. */
+    $where: Record<string, unknown>;
+
+    /** If this is a discriminator model, `baseModelName` is the name of the base model. */
+    baseModelName?: string;
+
+    /** Collection the model uses. */
+    collection: Collection;
+
+    /** Connection the model uses. */
+    db: Connection;
+
+    /** Removes this document from the db. */
+    delete(options: QueryOptions, callback: Callback): void;
+    delete(callback: Callback): void;
+    delete(options?: QueryOptions): QueryWithHelpers<any, this, TQueryHelpers>;
+
+    /** Removes this document from the db. */
+    deleteOne(options: QueryOptions, callback: Callback): void;
+    deleteOne(callback: Callback): void;
+    deleteOne(options?: QueryOptions): QueryWithHelpers<any, this, TQueryHelpers>;
+
+    /**
+     * Takes a populated field and returns it to its unpopulated state. If called with
+     * no arguments, then all populated fields are returned to their unpopulated state.
+     */
+    depopulate(path?: string | string[]): this;
+
+    /**
+     * Returns the list of paths that have been directly modified. A direct
+     * modified path is a path that you explicitly set, whether via `doc.foo = 'bar'`,
+     * `Object.assign(doc, { foo: 'bar' })`, or `doc.set('foo', 'bar')`.
+     */
+    directModifiedPaths(): Array<string>;
+
+    /**
+     * Returns true if this document is equal to another document.
+     *
+     * Documents are considered equal when they have matching `_id`s, unless neither
+     * document has an `_id`, in which case this function falls back to using
+     * `deepEqual()`.
+     */
+    equals(doc: Document<T>): boolean;
+
+    /** Returns the current validation errors. */
+    errors?: Error.ValidationError;
+
+    /** Returns the value of a path. */
+    get(path: string, type?: any, options?: any): any;
+
+    /**
+     * Returns the changes that happened to the document
+     * in the format that will be sent to MongoDB.
+     */
+    getChanges(): UpdateQuery<this>;
+
+    /** The string version of this documents _id. */
+    id?: any;
+
+    /** Signal that we desire an increment of this documents version. */
+    increment(): this;
+
+    /**
+    * Initializes the document without setters or marking anything modified.
+    * Called internally after a document is returned from mongodb. Normally,
+    * you do **not** need to call this function on your own.
+    */
+    init(obj: AnyObject, opts?: AnyObject, callback?: Callback<this>): this;
+
+    /** Marks a path as invalid, causing validation to fail. */
+    invalidate(path: string, errorMsg: string | NativeError, value?: any, kind?: string): NativeError | null;
+
+    /** Returns true if `path` was directly set and modified, else false. */
+    isDirectModified(path: string | Array<string>): boolean;
+
+    /** Checks if `path` was explicitly selected. If no projection, always returns true. */
+    isDirectSelected(path: string): boolean;
+
+    /** Checks if `path` is in the `init` state, that is, it was set by `Document#init()` and not modified since. */
+    isInit(path: string): boolean;
+
+    /**
+     * Returns true if any of the given paths are modified, else false. If no arguments, returns `true` if any path
+     * in this document is modified.
+     */
+    isModified(path?: string | Array<string>): boolean;
+
+    /** Boolean flag specifying if the document is new. */
+    isNew: boolean;
+
+    /** Checks if `path` was selected in the source query which initialized this document. */
+    isSelected(path: string): boolean;
+
+    /** Marks the path as having pending changes to write to the db. */
+    markModified(path: string, scope?: any): void;
+
+    /** Returns the list of paths that have been modified. */
+    modifiedPaths(options?: { includeChildren?: boolean }): Array<string>;
+
+    /** The name of the model */
+    modelName: string;
+
+    /**
+     * Overwrite all values in this document with the values of `obj`, except
+     * for immutable properties. Behaves similarly to `set()`, except for it
+     * unsets all properties that aren't in `obj`.
+     */
+    overwrite(obj: AnyObject): this;
+
+    /**
+     * If this document is a subdocument or populated document, returns the
+     * document's parent. Returns undefined otherwise.
+     */
+    $parent(): Document | undefined;
+
+    /** Populates document references. */
+    populate<Paths = {}>(path: string | PopulateOptions | (string | PopulateOptions)[]): Promise<MergeType<this, Paths>>;
+    populate<Paths = {}>(path: string | PopulateOptions | (string | PopulateOptions)[], callback: Callback<MergeType<this, Paths>>): void;
+    populate<Paths = {}>(path: string, select?: string | AnyObject, model?: Model<any>, match?: AnyObject, options?: PopulateOptions): Promise<MergeType<this, Paths>>;
+    populate<Paths = {}>(path: string, select?: string | AnyObject, model?: Model<any>, match?: AnyObject, options?: PopulateOptions, callback?: Callback<MergeType<this, Paths>>): void;
+
+    /** Gets _id(s) used during population of the given `path`. If the path was not populated, returns `undefined`. */
+    populated(path: string): any;
+
+    /** Removes this document from the db. */
+    remove(options: QueryOptions, callback: Callback): void;
+    remove(callback: Callback): void;
+    remove(options?: QueryOptions): Promise<this>;
+
+    /** Sends a replaceOne command with this document `_id` as the query selector. */
+    replaceOne(replacement?: AnyObject, options?: QueryOptions | null, callback?: Callback): Query<any, this>;
+
+    /** Saves this document by inserting a new document into the database if [document.isNew](/docs/api.html#document_Document-isNew) is `true`, or sends an [updateOne](/docs/api.html#document_Document-updateOne) operation with just the modified paths if `isNew` is `false`. */
+    save(options: SaveOptions, callback: Callback<this>): void;
+    save(callback: Callback<this>): void;
+    save(options?: SaveOptions): Promise<this>;
+
+    /** The document's schema. */
+    schema: Schema;
+
+    /** Sets the value of a path, or many paths. */
+    set(path: string, val: any, type: any, options?: any): this;
+    set(path: string, val: any, options?: any): this;
+    set(value: any): this;
+
+    /** The return value of this method is used in calls to JSON.stringify(doc). */
+    toJSON<T = LeanDocument<DocType>>(options?: ToObjectOptions & { flattenMaps?: true }): FlattenMaps<T>;
+    toJSON<T = LeanDocument<DocType>>(options: ToObjectOptions & { flattenMaps: false }): T;
+
+    /** Converts this document into a plain-old JavaScript object ([POJO](https://masteringjs.io/tutorials/fundamentals/pojo)). */
+    toObject<T = LeanDocument<DocType>>(options?: ToObjectOptions): Require_id<T>;
+
+    /** Clears the modified state on the specified path. */
+    unmarkModified(path: string): void;
+
+    /** Sends an update command with this document `_id` as the query selector. */
+    update(update?: UpdateQuery<this> | UpdateWithAggregationPipeline, options?: QueryOptions | null, callback?: Callback): Query<any, this>;
+
+    /** Sends an updateOne command with this document `_id` as the query selector. */
+    updateOne(update?: UpdateQuery<this> | UpdateWithAggregationPipeline, options?: QueryOptions | null, callback?: Callback): Query<any, this>;
+
+    /** Executes registered validation rules for this document. */
+    validate(pathsToValidate: pathsToValidate, options: AnyObject, callback: CallbackWithoutResult): void;
+    validate(pathsToValidate: pathsToValidate, callback: CallbackWithoutResult): void;
+    validate(callback: CallbackWithoutResult): void;
+    validate(pathsToValidate?: pathsToValidate, options?: AnyObject): Promise<void>;
+    validate(options: { pathsToSkip?: pathsToSkip }): Promise<void>;
+
+    /** Executes registered validation rules (skipping asynchronous validators) for this document. */
+    validateSync(options: { pathsToSkip?: pathsToSkip, [k: string]: any }): Error.ValidationError | null;
+    validateSync(pathsToValidate?: pathsToValidate, options?: AnyObject): Error.ValidationError | null;
+  }
+}
diff --git a/node_modules/mongoose/types/error.d.ts b/node_modules/mongoose/types/error.d.ts
new file mode 100644
index 000000000..cab55c2b9
--- /dev/null
+++ b/node_modules/mongoose/types/error.d.ts
@@ -0,0 +1,133 @@
+declare class NativeError extends global.Error { }
+
+declare module 'mongoose' {
+  import mongodb = require('mongodb');
+
+  type CastError = Error.CastError;
+  type SyncIndexesError = Error.SyncIndexesError;
+
+  class MongooseError extends global.Error {
+    constructor(msg: string);
+
+    /** The type of error. "MongooseError" for generic errors. */
+    name: string;
+
+    static messages: any;
+
+    static Messages: any;
+  }
+
+  class Error extends MongooseError { }
+
+  namespace Error {
+
+    export class CastError extends MongooseError {
+      name: 'CastError';
+      stringValue: string;
+      kind: string;
+      value: any;
+      path: string;
+      reason?: NativeError | null;
+      model?: any;
+
+      constructor(type: string, value: any, path: string, reason?: NativeError, schemaType?: SchemaType);
+    }
+    export class SyncIndexesError extends MongooseError {
+      name: 'SyncIndexesError';
+      errors?: Record<string, mongodb.MongoServerError>;
+
+      constructor(type: string, value: any, path: string, reason?: NativeError, schemaType?: SchemaType);
+    }
+
+    export class DisconnectedError extends MongooseError {
+      name: 'DisconnectedError';
+    }
+
+    export class DivergentArrayError extends MongooseError {
+      name: 'DivergentArrayError';
+    }
+
+    export class MissingSchemaError extends MongooseError {
+      name: 'MissingSchemaError';
+    }
+
+    export class DocumentNotFoundError extends MongooseError {
+      name: 'DocumentNotFoundError';
+      result: any;
+      numAffected: number;
+      filter: any;
+      query: any;
+    }
+
+    export class ObjectExpectedError extends MongooseError {
+      name: 'ObjectExpectedError';
+      path: string;
+    }
+
+    export class ObjectParameterError extends MongooseError {
+      name: 'ObjectParameterError';
+    }
+
+    export class OverwriteModelError extends MongooseError {
+      name: 'OverwriteModelError';
+    }
+
+    export class ParallelSaveError extends MongooseError {
+      name: 'ParallelSaveError';
+    }
+
+    export class ParallelValidateError extends MongooseError {
+      name: 'ParallelValidateError';
+    }
+
+    export class MongooseServerSelectionError extends MongooseError {
+      name: 'MongooseServerSelectionError';
+    }
+
+    export class StrictModeError extends MongooseError {
+      name: 'StrictModeError';
+      isImmutableError: boolean;
+      path: string;
+    }
+
+    export class ValidationError extends MongooseError {
+      name: 'ValidationError';
+
+      errors: { [path: string]: ValidatorError | CastError };
+      addError: (path: string, error: ValidatorError | CastError) => void;
+
+      constructor(instance?: MongooseError);
+    }
+
+    export class ValidatorError extends MongooseError {
+      name: 'ValidatorError';
+      properties: {
+        message: string,
+        type?: string,
+        path?: string,
+        value?: any,
+        reason?: any
+      };
+      kind: string;
+      path: string;
+      value: any;
+      reason?: MongooseError | null;
+
+      constructor(properties: {
+        message?: string,
+        type?: string,
+        path?: string,
+        value?: any,
+        reason?: any
+      });
+    }
+
+    export class VersionError extends MongooseError {
+      name: 'VersionError';
+      version: number;
+      modifiedPaths: Array<string>;
+
+      constructor(doc: Document, currentVersion: number, modifiedPaths: Array<string>);
+    }
+  }
+}
diff --git a/node_modules/mongoose/types/expressions.d.ts b/node_modules/mongoose/types/expressions.d.ts
new file mode 100644
index 000000000..c2d83ed87
--- /dev/null
+++ b/node_modules/mongoose/types/expressions.d.ts
@@ -0,0 +1,2903 @@
+declare module 'mongoose' {
+
+  /**
+   * [Expressions reference](https://docs.mongodb.com/manual/meta/aggregation-quick-reference/#expressions)
+   */
+  type AggregationVariables =
+    SpecialPathVariables |
+    '$$NOW' |
+    '$$CLUSTER_TIME' |
+    '$$DESCEND' |
+    '$$PRUNE' |
+    '$$KEEP';
+
+  type SpecialPathVariables =
+    '$$ROOT' |
+    '$$CURRENT' |
+    '$$REMOVE';
+
+  export namespace Expression {
+    export interface Abs {
+      /**
+       * Returns the absolute value of a number.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/abs/#mongodb-expression-exp.-abs
+       */
+      $abs: Path | ArithmeticExpressionOperator;
+    }
+
+    export interface Add {
+      /**
+       * Adds numbers to return the sum, or adds numbers and a date to return a new date. If adding numbers and a date, treats the numbers as milliseconds. Accepts any number of argument expressions, but at most, one expression can resolve to a date.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/add/#mongodb-expression-exp.-add
+       */
+      $add: Expression[];
+    }
+
+    export interface Ceil {
+      /**
+       * Returns the smallest integer greater than or equal to the specified number.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/ceil/#mongodb-expression-exp.-ceil
+       */
+      $ceil: NumberExpression;
+    }
+
+    export interface Divide {
+      /**
+       * Returns the result of dividing the first number by the second. Accepts two argument expressions.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/divide/#mongodb-expression-exp.-divide
+       */
+      $divide: NumberExpression[];
+    }
+
+    export interface Exp {
+      /**
+       * Raises e to the specified exponent.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/exp/#mongodb-expression-exp.-exp
+       */
+      $exp: NumberExpression;
+    }
+
+    export interface Floor {
+      /**
+       * Returns the largest integer less than or equal to the specified number.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/floor/#mongodb-expression-exp.-floor
+       */
+      $floor: NumberExpression;
+    }
+
+    export interface Ln {
+      /**
+       * Calculates the natural log of a number.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/ln/#mongodb-expression-exp.-ln
+       */
+      $ln: NumberExpression;
+    }
+
+    export interface Log {
+      /**
+       * Calculates the log of a number in the specified base.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/log/#mongodb-expression-exp.-log
+       */
+      $log: [NumberExpression, NumberExpression];
+    }
+
+    export interface Log10 {
+      /**
+       * Calculates the log base 10 of a number.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/log10/#mongodb-expression-exp.-log10
+       */
+      $log10: NumberExpression;
+    }
+
+    export interface Mod {
+      /**
+       * Returns the remainder of the first number divided by the second. Accepts two argument expressions.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/mod/#mongodb-expression-exp.-mod
+       */
+      $mod: [NumberExpression, NumberExpression];
+    }
+    export interface Multiply {
+      /**
+       * Multiplies numbers to return the product. Accepts any number of argument expressions.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/multiply/#mongodb-expression-exp.-multiply
+       */
+      $multiply: NumberExpression[];
+    }
+
+    export interface Pow {
+      /**
+       * Raises a number to the specified exponent.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/pow/#mongodb-expression-exp.-pow
+       */
+      $pow: [NumberExpression, NumberExpression];
+    }
+
+    export interface Round {
+      /**
+       * Rounds a number to to a whole integer or to a specified decimal place.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/round/#mongodb-expression-exp.-round
+       */
+      $round: [NumberExpression, NumberExpression?];
+    }
+
+    export interface Sqrt {
+      /**
+       * Calculates the square root.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/sqrt/#mongodb-expression-exp.-sqrt
+       */
+      $sqrt: NumberExpression;
+    }
+
+    export interface Subtract {
+      /**
+       * Returns the result of subtracting the second value from the first. If the two values are numbers, return the difference. If the two values are dates, return the difference in milliseconds. If the two values are a date and a number in milliseconds, return the resulting date. Accepts two argument expressions. If the two values are a date and a number, specify the date argument first as it is not meaningful to subtract a date from a number.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/subtract/#mongodb-expression-exp.-subtract
+       */
+      $subtract: (NumberExpression | DateExpression)[];
+    }
+
+    export interface Trunc {
+      /**
+       * Truncates a number to a whole integer or to a specified decimal place.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/trunc/#mongodb-expression-exp.-trunc
+       */
+      $trunc: [NumberExpression, NumberExpression?];
+    }
+
+    export interface Sin {
+      /**
+       * Returns the sine of a value that is measured in radians.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/sin/#mongodb-expression-exp.-sin
+       */
+      $sin: NumberExpression;
+    }
+
+    export interface Cos {
+      /**
+       * Returns the cosine of a value that is measured in radians.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/cos/#mongodb-expression-exp.-cos
+       */
+      $cos: NumberExpression;
+    }
+
+    export interface Tan {
+      /**
+       * Returns the tangent of a value that is measured in radians.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/tan/#mongodb-expression-exp.-tan
+       */
+      $tan: NumberExpression;
+    }
+
+    export interface Asin {
+      /**
+       * Returns the inverse sin (arc sine) of a value in radians.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/asin/#mongodb-expression-exp.-asin
+       */
+      $asin: NumberExpression;
+    }
+
+    export interface Acos {
+      /**
+       * Returns the inverse cosine (arc cosine) of a value in radians.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/acos/#mongodb-expression-exp.-acos
+       */
+      $acos: NumberExpression;
+    }
+
+    export interface Atan {
+      /**
+       * Returns the inverse tangent (arc tangent) of a value in radians.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/atan/#mongodb-expression-exp.-atan
+       */
+      $atan: NumberExpression;
+    }
+
+    export interface Atan2 {
+      /**
+       * Returns the inverse tangent (arc tangent) of y / x in radians, where y and x are the first and second values passed to the expression respectively.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/atan2/#mongodb-expression-exp.-atan2
+       */
+      $atan2: NumberExpression;
+    }
+
+    export interface Asinh {
+      /**
+       * Returns the inverse hyperbolic sine (hyperbolic arc sine) of a value in radians.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/asinh/#mongodb-expression-exp.-asinh
+       */
+      $asinh: NumberExpression;
+    }
+
+    export interface Acosh {
+      /**
+       * Returns the inverse hyperbolic cosine (hyperbolic arc cosine) of a value in radians.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/acosh/#mongodb-expression-exp.-acosh
+       */
+      $acosh: NumberExpression;
+    }
+
+    export interface Atanh {
+
+      /**
+       * Returns the inverse hyperbolic tangent (hyperbolic arc tangent) of a value in radians.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/atanh/#mongodb-expression-exp.-atanh
+       */
+      $atanh: NumberExpression;
+    }
+
+    export interface Sinh {
+      /**
+       * Returns the hyperbolic sine of a value that is measured in radians.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/sinh/#mongodb-expression-exp.-sinh
+       */
+      $sinh: NumberExpression;
+    }
+
+    export interface Cosh {
+      /**
+       * Returns the hyperbolic cosine of a value that is measured in radians.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/cosh/#mongodb-expression-exp.-cosh
+       */
+      $cosh: NumberExpression;
+    }
+
+    export interface Tanh {
+      /**
+       * Returns the hyperbolic tangent of a value that is measured in radians.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/tanh/#mongodb-expression-exp.-tanh
+       */
+      $tanh: NumberExpression;
+    }
+
+    export interface DegreesToRadians {
+      /**
+       * Converts a value from degrees to radians.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/degreesToRadians/#mongodb-expression-exp.-degreesToRadians
+       */
+      $degreesToRadians: NumberExpression;
+    }
+
+    export interface RadiansToDegrees {
+      /**
+       * Converts a value from radians to degrees.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/radiansToDegrees/#mongodb-expression-exp.-radiansToDegrees
+       */
+      $radiansToDegrees: NumberExpression;
+    }
+
+    export interface Meta {
+      /**
+       * Access available per-document metadata related to the aggregation operation.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/meta/#mongodb-expression-exp.-meta
+       */
+      $meta: 'textScore' | 'indexKey';
+    }
+
+    export interface DateAdd {
+      /**
+       * Adds a number of time units to a date object.
+       *
+       * @version 5.0.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/dateAdd/#mongodb-expression-exp.-dateAdd
+       */
+      $dateAdd: {
+        /**
+         * The beginning date, in UTC, for the addition operation. The startDate can be any expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        startDate: DateExpression;
+        /**
+         * The unit used to measure the amount of time added to the startDate. The unit is an expression that resolves to one of the following strings:
+         * - year
+         * - quarter
+         * - week
+         * - month
+         * - day
+         * - hour
+         * - minute
+         * - second
+         * - millisecond
+         */
+        unit: StringExpression<DateUnit>;
+        /**
+         * The number of units added to the startDate. The amount is an expression that resolves to an integer or long. The amount can also resolve to an integral decimal or a double if that value can be converted to a long without loss of precision.
+         */
+        amount: NumberExpression;
+        /**
+         * The timezone to carry out the operation. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface DateDiff {
+      /**
+       * Returns the difference between two dates.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/dateDiff/#mongodb-expression-exp.-dateDiff
+       */
+      $dateDiff: {
+        /**
+         * The start of the time period. The startDate can be any expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        startDate: DateExpression;
+        /**
+         * The end of the time period. The endDate can be any expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        endDate: DateExpression;
+        /**
+         * The time measurement unit between the startDate and endDate. It is an expression that resolves to a string:
+         * - year
+         * - quarter
+         * - week
+         * - month
+         * - day
+         * - hour
+         * - minute
+         * - second
+         * - millisecond
+         */
+        unit: StringExpression<DateUnit>;
+        /**
+         * The timezone to carry out the operation. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+        /**
+         * Used when the unit is equal to week. Defaults to Sunday. The startOfWeek parameter is an expression that resolves to a case insensitive string:
+         * - monday (or mon)
+         * - tuesday (or tue)
+         * - wednesday (or wed)
+         * - thursday (or thu)
+         * - friday (or fri)
+         * - saturday (or sat)
+         * - sunday (or sun)
+         */
+        startOfWeek?: StringExpression<StartOfWeek>;
+      }
+    }
+
+    // TODO: Can be done better
+    export interface DateFromParts {
+      /**
+       * Constructs a BSON Date object given the date's constituent parts.
+       *
+       * @version 3.6
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/dateFromParts/#mongodb-expression-exp.-dateFromParts
+       */
+      $dateFromParts: {
+        /**
+         * ISO Week Date Year. Can be any expression that evaluates to a number.
+         *
+         * Value range: 1-9999
+         *
+         * If the number specified is outside this range, $dateFromParts errors. Starting in MongoDB 4.4, the lower bound for this value is 1. In previous versions of MongoDB, the lower bound was 0.
+         */
+        isoWeekYear?: NumberExpression;
+        /**
+         * Week of year. Can be any expression that evaluates to a number.
+         *
+         * Defaults to 1.
+         *
+         * Value range: 1-53
+         *
+         * Starting in MongoDB 4.0, if the number specified is outside this range, $dateFromParts incorporates the difference in the date calculation. See Value Range for examples.
+         */
+        isoWeek?: NumberExpression;
+        /**
+         * Day of week (Monday 1 - Sunday 7). Can be any expression that evaluates to a number.
+         *
+         * Defaults to 1.
+         *
+         * Value range: 1-7
+         *
+         * Starting in MongoDB 4.0, if the number specified is outside this range, $dateFromParts incorporates the difference in the date calculation. See Value Range for examples.
+         */
+        isoDayOfWeek?: NumberExpression;
+        /**
+         * Calendar year. Can be any expression that evaluates to a number.
+         *
+         * Value range: 1-9999
+         *
+         * If the number specified is outside this range, $dateFromParts errors. Starting in MongoDB 4.4, the lower bound for this value is 1. In previous versions of MongoDB, the lower bound was 0.
+         */
+        year?: NumberExpression;
+        /**
+         * Month. Can be any expression that evaluates to a number.
+         *
+         * Defaults to 1.
+         *
+         * Value range: 1-12
+         *
+         * Starting in MongoDB 4.0, if the number specified is outside this range, $dateFromParts incorporates the difference in the date calculation. See Value Range for examples.
+         */
+        month?: NumberExpression;
+        /**
+         * Day of month. Can be any expression that evaluates to a number.
+         *
+         * Defaults to 1.
+         *
+         * Value range: 1-31
+         *
+         * Starting in MongoDB 4.0, if the number specified is outside this range, $dateFromParts incorporates the difference in the date calculation. See Value Range for examples.
+         */
+        day?: NumberExpression;
+        /**
+         * Hour. Can be any expression that evaluates to a number.
+         *
+         * Defaults to 0.
+         *
+         * Value range: 0-23
+         *
+         * Starting in MongoDB 4.0, if the number specified is outside this range, $dateFromParts incorporates the difference in the date calculation. See Value Range for examples.
+         */
+        hour?: NumberExpression;
+        /**
+         * Minute. Can be any expression that evaluates to a number.
+         *
+         * Defaults to 0.
+         *
+         * Value range: 0-59 Starting in MongoDB 4.0, if the number specified is outside this range, $dateFromParts incorporates the difference in the date calculation. See Value Range for examples.
+         */
+        minute?: NumberExpression;
+        /**
+         * Second. Can be any expression that evaluates to a number.
+         *
+         * Defaults to 0.
+         *
+         * Value range: 0-59
+         *
+         * Starting in MongoDB 4.0, if the number specified is outside this range, $dateFromParts incorporates the difference in the date calculation. See Value Range for examples.
+         */
+        second?: NumberExpression;
+        /**
+         * Millisecond. Can be any expression that evaluates to a number.
+         *
+         * Defaults to 0.
+         *
+         * Value range: 0-999
+         *
+         * Starting in MongoDB 4.0, if the number specified is outside this range, $dateFromParts incorporates the difference in the date calculation. See Value Range for examples.
+         */
+        millisecond?: NumberExpression;
+        /**
+         * The timezone to carry out the operation. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface DateFromString {
+      /**
+       * Converts a date/time string to a date object.
+       *
+       * @version 3.6
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/dateFromString/#mongodb-expression-exp.-dateFromString
+       */
+      $dateFromString: {
+        dateString: StringExpression<string>;
+        /**
+         * The date format specification of the dateString. The format can be any expression that evaluates to a string literal, containing 0 or more format specifiers. For a list of specifiers available, see Format Specifiers.
+         *
+         * If unspecified, $dateFromString uses "%Y-%m-%dT%H:%M:%S.%LZ" as the default format.
+         * @version 4.0
+         */
+        format?: FormatString;
+        /**
+         * The time zone to use to format the date.
+         *
+         * Note: If the dateString argument is formatted like '2017-02-08T12:10:40.787Z', in which the 'Z' at the end indicates Zulu time (UTC time zone), you cannot specify the timezone argument.
+         */
+        timezone?: tzExpression;
+        /**
+         * Optional. If $dateFromString encounters an error while parsing the given dateString, it outputs the result value of the provided onError expression. This result value can be of any type.
+         *
+         * If you do not specify onError, $dateFromString throws an error if it cannot parse dateString.
+         */
+        onError?: Expression;
+        /**
+         * Optional. If the dateString provided to $dateFromString is null or missing, it outputs the result value of the provided onNull expression. This result value can be of any type.
+         *
+         * If you do not specify onNull and dateString is null or missing, then $dateFromString outputs null.
+         */
+        onNull?: Expression;
+      };
+    }
+
+    export interface DateSubtract {
+      /**
+       * Subtracts a number of time units from a date object.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/dateSubtract/#mongodb-expression-exp.-dateSubtract
+       */
+      $dateSubtract: {
+        /**
+         * The beginning date, in UTC, for the subtraction operation. The startDate can be any expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        startDate: DateExpression;
+        /**
+         * The unit of time, specified as an expression that must resolve to one of these strings:
+         * - year
+         * - quarter
+         * - week
+         * - month
+         * - day
+         * - hour
+         * - minute
+         * - second
+         * - millisecond
+         *
+         * Together, binSize and unit specify the time period used in the $dateTrunc calculation.
+         */
+        unit: StringExpression<DateUnit>;
+        /**
+         * The number of units subtracted from the startDate. The amount is an expression that resolves to an integer or long. The amount can also resolve to an integral decimal and or a double if that value can be converted to a long without loss of precision.
+         */
+        amount: NumberExpression;
+        /**
+         * The timezone to carry out the operation. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface DateToParts {
+      /**
+       * Returns a document containing the constituent parts of a date.
+       *
+       * @version 3.6
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/dateToParts/#mongodb-expression-exp.-dateToParts
+       */
+      $dateToParts: {
+        /**
+         * The input date for which to return parts. <dateExpression> can be any expression that resolves to a Date, a Timestamp, or an ObjectID. For more information on expressions, see Expressions.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         *
+         * @version 3.6
+         */
+        timezone?: tzExpression;
+        /**
+         * If set to true, modifies the output document to use ISO week date fields. Defaults to false.
+         */
+        iso8601?: boolean;
+      };
+    }
+
+    export interface DateToString {
+      /**
+       * Returns the date as a formatted string.
+       *
+       * @version 3.6
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/dateToString/#mongodb-expression-exp.-dateToString
+       */
+      $dateToString: {
+        /**
+         * The date to convert to string. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The date format specification. <formatString> can be any string literal, containing 0 or more format specifiers. For a list of specifiers available, see Format Specifiers.
+         *
+         * If unspecified, $dateToString uses "%Y-%m-%dT%H:%M:%S.%LZ" as the default format.
+         *
+         * Changed in version 4.0: The format field is optional if featureCompatibilityVersion (fCV) is set to "4.0" or greater. For more information on fCV, see setFeatureCompatibilityVersion.
+         */
+        format?: FormatString;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         *
+         * @version 3.6
+         */
+        timezone?: tzExpression;
+        /**
+         * The value to return if the date is null or missing. The arguments can be any valid expression.
+         *
+         * If unspecified, $dateToString returns null if the date is null or missing.
+         *
+         * Changed in version 4.0: Requires featureCompatibilityVersion (fCV) set to "4.0" or greater. For more information on fCV, see setFeatureCompatibilityVersion.
+         */
+        onNull?: Expression;
+      };
+    }
+
+    export interface DateTrunc {
+      /**
+       * Truncates a date.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/dateTrunc/#mongodb-expression-exp.-dateTrunc
+       */
+      $dateTrunc: {
+        /**
+         * The date to truncate, specified in UTC. The date can be any expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The unit of time, specified as an expression that must resolve to one of these strings:
+         * - year
+         * - quarter
+         * - week
+         * - month
+         * - day
+         * - hour
+         * - minute
+         * - second
+         * - millisecond
+         *
+         * Together, binSize and unit specify the time period used in the $dateTrunc calculation.
+         */
+        unit: StringExpression<DateUnit>;
+        /**
+         * The numeric time value, specified as an expression that must resolve to a positive non-zero number. Defaults to 1.
+         *
+         * Together, binSize and unit specify the time period used in the $dateTrunc calculation.
+         */
+        binSize?: NumberExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+        /**
+         * Used when the unit is equal to week. Defaults to Sunday. The startOfWeek parameter is an expression that resolves to a case insensitive string:
+         * - monday (or mon)
+         * - tuesday (or tue)
+         * - wednesday (or wed)
+         * - thursday (or thu)
+         * - friday (or fri)
+         * - saturday (or sat)
+         * - sunday (or sun)
+         */
+        startOfWeek?: StringExpression<StartOfWeek>;
+      }
+    }
+
+    export interface DayOfMonth {
+      /**
+       * Returns the day of the month for a date as a number between 1 and 31.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/dayOfMonth/#mongodb-expression-exp.-dayOfMonth
+       */
+      $dayOfMonth: DateExpression | {
+        /**
+         * The date to which the operator is applied. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface DayOfWeek {
+      /**
+       * Returns the day of the week for a date as a number between 1 (Sunday) and 7 (Saturday).
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/dayOfWeek/#mongodb-expression-exp.-dayOfWeek
+       */
+      $dayOfWeek: DateExpression | {
+        /**
+         * The date to which the operator is applied. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface DayOfYear {
+      /**
+       * Returns the day of the year for a date as a number between 1 and 366 (leap year).
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/dayOfYear/#mongodb-expression-exp.-dayOfYear
+       */
+      $dayOfYear: DateExpression | {
+        /**
+         * The date to which the operator is applied. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface Hour {
+      /**
+       * Returns the hour for a date as a number between 0 and 23.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/hour/#mongodb-expression-exp.-hour
+       */
+      $hour: DateExpression | {
+        /**
+         * The date to which the operator is applied. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface IsoDayOfWeek {
+      /**
+       * Returns the weekday number in ISO 8601 format, ranging from 1 (for Monday) to 7 (for Sunday).
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/isoDayOfWeek/#mongodb-expression-exp.-isoDayOfWeek
+       */
+      $isoDayOfWeek: DateExpression | {
+        /**
+         * The date to which the operator is applied. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface IsoWeek {
+      /**
+       * Returns the week number in ISO 8601 format, ranging from 1 to 53. Week numbers start at 1 with the week (Monday through Sunday) that contains the year's first Thursday.
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/isoWeek/#mongodb-expression-exp.-isoWeek
+       */
+      $isoWeek: DateExpression | {
+        /**
+         * The date to which the operator is applied. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface IsoWeekYear {
+      /**
+       * Returns the year number in ISO 8601 format. The year starts with the Monday of week 1 (ISO 8601) and ends with the Sunday of the last week (ISO 8601).
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/isoWeekYear/#mongodb-expression-exp.-isoWeekYear
+       */
+      $isoWeekYear: DateExpression | {
+        /**
+         * The date to which the operator is applied. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface Millisecond {
+      /**
+       * Returns the milliseconds of a date as a number between 0 and 999.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/millisecond/#mongodb-expression-exp.-millisecond
+       */
+      $millisecond: DateExpression | {
+        /**
+         * The date to which the operator is applied. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface Minute {
+      /**
+       * Returns the minute for a date as a number between 0 and 59.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/minute/#mongodb-expression-exp.-minute
+       */
+      $minute: DateExpression | {
+        /**
+         * The date to which the operator is applied. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface Month {
+      /**
+       * Returns the month for a date as a number between 1 (January) and 12 (December).
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/month/#mongodb-expression-exp.-month
+       */
+      $month: DateExpression | {
+        /**
+         * The date to which the operator is applied. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface Second {
+      /**
+       * Returns the seconds for a date as a number between 0 and 60 (leap seconds).
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/second/#mongodb-expression-exp.-second
+       */
+      $second: DateExpression | {
+        /**
+         * The date to which the operator is applied. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface ToDate {
+      /**
+       * Converts value to a Date.
+       *
+       * @version 4.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/toDate/#mongodb-expression-exp.-toDate
+       */
+      $toDate: Expression;
+    }
+
+    export interface Week {
+      /**
+       * Returns the week number for a date as a number between 0 (the partial week that precedes the first Sunday of the year) and 53 (leap year).
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/week/#mongodb-expression-exp.-week
+       */
+      $week: DateExpression | {
+        /**
+         * The date to which the operator is applied. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface Year {
+      /**
+       * Returns the year for a date as a number (e.g. 2014).
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/year/#mongodb-expression-exp.-year
+       */
+      $year: DateExpression | {
+        /**
+         * The date to which the operator is applied. <dateExpression> must be a valid expression that resolves to a Date, a Timestamp, or an ObjectID.
+         */
+        date: DateExpression;
+        /**
+         * The timezone of the operation result. <tzExpression> must be a valid expression that resolves to a string formatted as either an Olson Timezone Identifier or a UTC Offset. If no timezone is provided, the result is displayed in UTC.
+         */
+        timezone?: tzExpression;
+      };
+    }
+
+    export interface And {
+      /**
+       * Returns true only when all its expressions evaluate to true. Accepts any number of argument expressions.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/and/#mongodb-expression-exp.-and
+       */
+      $and: (Expression | Record<string, Expression>)[];
+    }
+
+    export interface Not {
+      /**
+       * Returns the boolean value that is the opposite of its argument expression. Accepts a single argument expression.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/not/#mongodb-expression-exp.-not
+       */
+      $not: [Expression];
+    }
+
+    export interface Or {
+      /**
+       * Returns true when any of its expressions evaluates to true. Accepts any number of argument expressions.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/or/#mongodb-expression-exp.-or
+       */
+      $or: (Expression | Record<string, Expression>)[];
+    }
+
+    export interface Cmp {
+      /**
+       * Returns 0 if the two values are equivalent, 1 if the first value is greater than the second, and -1 if the first value is less than the second.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/cmp/#mongodb-expression-exp.-cmp
+       */
+      $cmp: [Record<string, AnyExpression> | Expression, Record<string, AnyExpression> | Expression];
+    }
+
+    export interface Eq {
+      /**
+       * Returns true if the values are equivalent.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/eq/#mongodb-expression-exp.-eq
+       */
+      $eq: AnyExpression | [AnyExpression, AnyExpression];
+    }
+
+    export interface Gt {
+      /**
+       * Returns true if the first value is greater than the second.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/gt/#mongodb-expression-exp.-gt
+       */
+      $gt: NumberExpression | [NumberExpression, NumberExpression];
+    }
+
+    export interface Gte {
+      /**
+       * Returns true if the first value is greater than or equal to the second.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/gte/#mongodb-expression-exp.-gte
+       */
+      $gte: NumberExpression | [NumberExpression, NumberExpression];
+    }
+
+    export interface Lt {
+      /**
+       * Returns true if the first value is less than the second.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/lt/#mongodb-expression-exp.-lt
+       */
+      $lt: NumberExpression | [NumberExpression, NumberExpression];
+    }
+
+    export interface Lte {
+      /**
+       * Returns true if the first value is less than or equal to the second.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/lte/#mongodb-expression-exp.-lte
+       */
+      $lte: NumberExpression | [NumberExpression, NumberExpression];
+    }
+
+    export interface Ne {
+      /**
+       * Returns true if the values are not equivalent.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/ne/#mongodb-expression-exp.-ne
+       */
+      $ne: Expression | [Expression, Expression | NullExpression] | null;
+    }
+
+    export interface Cond {
+      /**
+       * A ternary operator that evaluates one expression, and depending on the result, returns the value of one of the other two expressions. Accepts either three expressions in an ordered list or three named parameters.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/cond/#mongodb-expression-exp.-cond
+       */
+      $cond: { if: Expression, then: AnyExpression, else: AnyExpression } | [BooleanExpression, AnyExpression, AnyExpression];
+    }
+
+    export interface IfNull {
+      /**
+       * Returns either the non-null result of the first expression or the result of the second expression if the first expression results in a null result. Null result encompasses instances of undefined values or missing fields. Accepts two expressions as arguments. The result of the second expression can be null.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/ifNull/#mongodb-expression-exp.-ifNull
+       */
+      $ifNull: Expression[];
+    }
+
+    export interface Switch {
+      /**
+       * Evaluates a series of case expressions. When it finds an expression which evaluates to true, $switch executes a specified expression and breaks out of the control flow.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/switch/#mongodb-expression-exp.-switch
+       */
+      $switch: {
+        /**
+         * An array of control branch documents. Each branch is a document with the following fields:
+         * - $case
+         * - $then
+         */
+        branches: { case: Expression, then: Expression }[];
+        /**
+         * The path to take if no branch case expression evaluates to true.
+         *
+         * Although optional, if default is unspecified and no branch case evaluates to true, $switch returns an error.
+         */
+        default: Expression;
+      };
+    }
+
+    export interface ArrayElemAt {
+      /**
+       * Returns the element at the specified array index.
+       *
+       * @version 3.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/arrayElemAt/#mongodb-expression-exp.-arrayElemAt
+       */
+      $arrayElemAt: [ArrayExpression, NumberExpression];
+    }
+
+    export interface ArrayToObject {
+      /**
+       * Converts an array of key value pairs to a document.
+       *
+       * @version 3.4.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/arrayToObject/#mongodb-expression-exp.-arrayToObject
+       */
+      $arrayToObject: ArrayExpression;
+    }
+
+    export interface ConcatArrays {
+      /**
+       * Concatenates arrays to return the concatenated array.
+       *
+       * @version 3.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/concatArrays/#mongodb-expression-exp.-concatArrays
+       */
+      $concatArrays: Expression[];
+    }
+
+    export interface Filter {
+      /**
+       * Selects a subset of the array to return an array with only the elements that match the filter condition.
+       *
+       * @version 3.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/filter/#mongodb-expression-exp.-filter
+       */
+      $filter: {
+        /**
+         * An expression that resolves to an array.
+         */
+        input: ArrayExpression;
+        /**
+         * A name for the variable that represents each individual element of the input array. If no name is specified, the variable name defaults to this.
+         */
+        as?: string;
+        /**
+         * An expression that resolves to a boolean value used to determine if an element should be included in the output array. The expression references each element of the input array individually with the variable name specified in as.
+         */
+        cond: BooleanExpression;
+      }
+    }
+
+    export interface First {
+      /**
+       * Returns the first array element. Distinct from $first accumulator.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/first/#mongodb-expression-exp.-first
+       */
+      $first: Expression;
+    }
+
+    export interface In {
+      /**
+       * Returns a boolean indicating whether a specified value is in an array.
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/in/#mongodb-expression-exp.-in
+       */
+      $in: [Expression, ArrayExpression];
+    }
+
+    export interface IndexOfArray {
+      /**
+       * Searches an array for an occurrence of a specified value and returns the array index of the first occurrence. If the substring is not found, returns -1.
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/indexOfArray/#mongodb-expression-exp.-indexOfArray
+       */
+      $indexOfArray: [ArrayExpression, Expression] | [ArrayExpression, Expression, NumberExpression] | [ArrayExpression, Expression, NumberExpression, NumberExpression];
+    }
+
+    export interface IsArray {
+      /**
+       * Determines if the operand is an array. Returns a boolean.
+       *
+       * @version 3.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/isArray/#mongodb-expression-exp.-isArray
+       */
+      $isArray: [Expression];
+    }
+
+    export interface Last {
+      /**
+       * Returns the last array element. Distinct from $last accumulator.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/last/#mongodb-expression-exp.-last
+       */
+      $last: Expression;
+    }
+
+    export interface Map {
+      /**
+       * Applies a subexpression to each element of an array and returns the array of resulting values in order. Accepts named parameters.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/map/#mongodb-expression-exp.-map
+       */
+      $map: {
+        /**
+         * An expression that resolves to an array.
+         */
+        input: ArrayExpression;
+        /**
+         * A name for the variable that represents each individual element of the input array. If no name is specified, the variable name defaults to this.
+         */
+        as?: string;
+        /**
+         * An expression that is applied to each element of the input array. The expression references each element individually with the variable name specified in as.
+         */
+        in: Expression;
+      };
+    }
+
+    export interface ObjectToArray {
+      /**
+       * Converts a document to an array of documents representing key-value pairs.
+       *
+       * @version 3.4.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/objectToArray/#mongodb-expression-exp.-objectToArray
+       */
+      $objectToArray: ObjectExpression;
+    }
+
+    export interface Range {
+      /**
+       * Outputs an array containing a sequence of integers according to user-defined inputs.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/range/#mongodb-expression-exp.-range
+       */
+      $range: [NumberExpression, NumberExpression] | [NumberExpression, NumberExpression, NumberExpression];
+    }
+
+    export interface Reduce {
+      /**
+       * Applies an expression to each element in an array and combines them into a single value.
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/reduce/#mongodb-expression-exp.-reduce
+       */
+      $reduce: {
+        /**
+         * Can be any valid expression that resolves to an array. For more information on expressions, see Expressions.
+         *
+         * If the argument resolves to a value of null or refers to a missing field, $reduce returns null.
+         *
+         * If the argument does not resolve to an array or null nor refers to a missing field, $reduce returns an error.
+         */
+        input: ArrayExpression;
+        /**
+         * The initial cumulative value set before in is applied to the first element of the input array.
+         */
+        initialValue: Expression;
+        /**
+         * A valid expression that $reduce applies to each element in the input array in left-to-right order. Wrap the input value with $reverseArray to yield the equivalent of applying the combining expression from right-to-left.
+         *
+         * During evaluation of the in expression, two variables will be available:
+         * - `value` is the variable that represents the cumulative value of the expression.
+         * - `this` is the variable that refers to the element being processed.
+         */
+        in: Expression;
+      };
+    }
+
+    export interface ReverseArray {
+      /**
+       * Returns an array with the elements in reverse order.
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/reverseArray/#mongodb-expression-exp.-reverseArray
+       */
+      $reverseArray: ArrayExpression;
+    }
+
+    export interface Size {
+      /**
+       * Returns the number of elements in the array. Accepts a single expression as argument.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/size/#mongodb-expression-exp.-size
+       */
+      $size: ArrayExpression;
+    }
+
+    export interface Slice {
+      /**
+       * Returns a subset of an array.
+       *
+       * @version 3.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/slice/#mongodb-expression-exp.-slice
+       */
+      $slice: [ArrayExpression, NumberExpression] | [ArrayExpression, NumberExpression, NumberExpression];
+    }
+
+    export interface Zip {
+      /**
+       * Merge two arrays together.
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/zip/#mongodb-expression-exp.-zip
+       */
+      $zip: {
+        /**
+         * An array of expressions that resolve to arrays. The elements of these input arrays combine to form the arrays of the output array.
+         *
+         * If any of the inputs arrays resolves to a value of null or refers to a missing field, $zip returns null.
+         *
+         * If any of the inputs arrays does not resolve to an array or null nor refers to a missing field, $zip returns an error.
+         */
+        inputs: ArrayExpression[];
+        /**
+         * A boolean which specifies whether the length of the longest array determines the number of arrays in the output array.
+         *
+         * The default value is false: the shortest array length determines the number of arrays in the output array.
+         */
+        useLongestLength?: boolean;
+        /**
+         * An array of default element values to use if the input arrays have different lengths. You must specify useLongestLength: true along with this field, or else $zip will return an error.
+         *
+         * If useLongestLength: true but defaults is empty or not specified, $zip uses null as the default value.
+         *
+         * If specifying a non-empty defaults, you must specify a default for each input array or else $zip will return an error.
+         */
+        defaults?: ArrayExpression;
+      };
+    }
+
+    export interface Concat {
+      /**
+       * Concatenates any number of strings.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/concat/#mongodb-expression-exp.-concat
+       */
+      $concat: StringExpression[];
+    }
+
+    export interface IndexOfBytes {
+      /**
+       * Searches a string for an occurrence of a substring and returns the UTF-8 byte index of the first occurrence. If the substring is not found, returns -1.
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/indexOfBytes/#mongodb-expression-exp.-indexOfBytes
+       */
+      $indexOfBytes: [StringExpression, StringExpression] | [StringExpression, StringExpression, NumberExpression] | [StringExpression, StringExpression, NumberExpression, NumberExpression];
+    }
+
+    export interface IndexOfCP {
+      /**
+       * Searches a string for an occurrence of a substring and returns the UTF-8 code point index of the first occurrence. If the substring is not found, returns -1
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/indexOfCP/#mongodb-expression-exp.-indexOfCP
+       */
+      $indexOfCP: [StringExpression, StringExpression] | [StringExpression, StringExpression, NumberExpression] | [StringExpression, StringExpression, NumberExpression, NumberExpression];
+    }
+
+    export interface Ltrim {
+      /**
+       * Removes whitespace or the specified characters from the beginning of a string.
+       *
+       * @version 4.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/ltrim/#mongodb-expression-exp.-ltrim
+       */
+      $ltrim: {
+        /**
+         * The string to trim. The argument can be any valid expression that resolves to a string. For more information on expressions, see Expressions.
+         */
+        input: StringExpression;
+        /**
+         * The character(s) to trim from the beginning of the input.
+         *
+         * The argument can be any valid expression that resolves to a string. The $ltrim operator breaks down the string into individual UTF code point to trim from input.
+         *
+         * If unspecified, $ltrim removes whitespace characters, including the null character. For the list of whitespace characters, see Whitespace Characters.
+         */
+        chars?: StringExpression;
+      };
+    }
+
+    export interface RegexFind {
+      /**
+       * Applies a regular expression (regex) to a string and returns information on the first matched substring.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/regexFind/#mongodb-expression-exp.-regexFind
+       */
+      $regexFind: {
+        /**
+         * The string on which you wish to apply the regex pattern. Can be a string or any valid expression that resolves to a string.
+         */
+        input: Expression; // TODO: Resolving to string, which ones?
+        /**
+         * The regex pattern to apply. Can be any valid expression that resolves to either a string or regex pattern /<pattern>/. When using the regex /<pattern>/, you can also specify the regex options i and m (but not the s or x options):
+         * - "pattern"
+         * - /pattern/
+         * - /pattern/options
+         *
+         * Alternatively, you can also specify the regex options with the options field. To specify the s or x options, you must use the options field.
+         *
+         * You cannot specify options in both the regex and the options field.
+         */
+        regex: RegExp | string;
+        /**
+         * The following <options> are available for use with regular expression.
+         *
+         * Note: You cannot specify options in both the regex and the options field.
+         *
+         * Option   Description
+         *
+         * `i`      Case insensitivity to match both upper and lower cases. You can specify the option in the options field or as part of the regex field.
+         *
+         * `m`      For patterns that include anchors (i.e. ^ for the start, $ for the end), match at the beginning or end of each line for strings with multiline values. Without this option, these anchors match at beginning or end of the string.
+         *          If the pattern contains no anchors or if the string value has no newline characters (e.g. \n), the m option has no effect.
+         *
+         * `x`      "Extended" capability to ignore all white space characters in the pattern unless escaped or included in a character class.
+         *          Additionally, it ignores characters in-between and including an un-escaped hash/pound (#) character and the next new line, so that you may include comments in complicated patterns. This only applies to data characters; white space characters may never appear within special character sequences in a pattern.
+         *          The x option does not affect the handling of the VT character (i.e. code 11).
+         *          You can specify the option only in the options field.
+         *
+         * `s`      Allows the dot character (i.e. .) to match all characters including newline characters.
+         *          You can specify the option only in the options field.
+         */
+        options?: RegexOptions;
+      };
+    }
+
+    export interface RegexFindAll {
+      /**
+       * Applies a regular expression (regex) to a string and returns information on the all matched substrings.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/regexFindAll/#mongodb-expression-exp.-regexFindAll
+       */
+      $regexFindAll: {
+        /**
+         * The string on which you wish to apply the regex pattern. Can be a string or any valid expression that resolves to a string.
+         */
+        input: Expression; // TODO: Resolving to string, which ones?
+        /**
+         * The regex pattern to apply. Can be any valid expression that resolves to either a string or regex pattern /<pattern>/. When using the regex /<pattern>/, you can also specify the regex options i and m (but not the s or x options):
+         * - "pattern"
+         * - /pattern/
+         * - /pattern/options
+         *
+         * Alternatively, you can also specify the regex options with the options field. To specify the s or x options, you must use the options field.
+         *
+         * You cannot specify options in both the regex and the options field.
+         */
+        regex: RegExp | string;
+        /**
+         * The following <options> are available for use with regular expression.
+         *
+         * Note: You cannot specify options in both the regex and the options field.
+         *
+         * Option   Description
+         *
+         * `i`      Case insensitivity to match both upper and lower cases. You can specify the option in the options field or as part of the regex field.
+         *
+         * `m`      For patterns that include anchors (i.e. ^ for the start, $ for the end), match at the beginning or end of each line for strings with multiline values. Without this option, these anchors match at beginning or end of the string.
+         *          If the pattern contains no anchors or if the string value has no newline characters (e.g. \n), the m option has no effect.
+         *
+         * `x`      "Extended" capability to ignore all white space characters in the pattern unless escaped or included in a character class.
+         *          Additionally, it ignores characters in-between and including an un-escaped hash/pound (#) character and the next new line, so that you may include comments in complicated patterns. This only applies to data characters; white space characters may never appear within special character sequences in a pattern.
+         *          The x option does not affect the handling of the VT character (i.e. code 11).
+         *          You can specify the option only in the options field.
+         *
+         * `s`      Allows the dot character (i.e. .) to match all characters including newline characters.
+         *          You can specify the option only in the options field.
+         */
+        options?: RegexOptions;
+      };
+    }
+
+    export interface RegexMatch {
+      /**
+       * Applies a regular expression (regex) to a string and returns a boolean that indicates if a match is found or not.
+       *
+       * @version 4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/regexMatch/#mongodb-expression-exp.-regexMatch
+       */
+      $regexMatch: {
+        /**
+         * The string on which you wish to apply the regex pattern. Can be a string or any valid expression that resolves to a string.
+         */
+        input: Expression; // TODO: Resolving to string, which ones?
+        /**
+         * The regex pattern to apply. Can be any valid expression that resolves to either a string or regex pattern /<pattern>/. When using the regex /<pattern>/, you can also specify the regex options i and m (but not the s or x options):
+         * - "pattern"
+         * - /pattern/
+         * - /pattern/options
+         *
+         * Alternatively, you can also specify the regex options with the options field. To specify the s or x options, you must use the options field.
+         *
+         * You cannot specify options in both the regex and the options field.
+         */
+        regex: RegExp | string;
+        /**
+         * The following <options> are available for use with regular expression.
+         *
+         * Note: You cannot specify options in both the regex and the options field.
+         *
+         * Option   Description
+         *
+         * `i`      Case insensitivity to match both upper and lower cases. You can specify the option in the options field or as part of the regex field.
+         *
+         * `m`      For patterns that include anchors (i.e. ^ for the start, $ for the end), match at the beginning or end of each line for strings with multiline values. Without this option, these anchors match at beginning or end of the string.
+         *          If the pattern contains no anchors or if the string value has no newline characters (e.g. \n), the m option has no effect.
+         *
+         * `x`      "Extended" capability to ignore all white space characters in the pattern unless escaped or included in a character class.
+         *          Additionally, it ignores characters in-between and including an un-escaped hash/pound (#) character and the next new line, so that you may include comments in complicated patterns. This only applies to data characters; white space characters may never appear within special character sequences in a pattern.
+         *          The x option does not affect the handling of the VT character (i.e. code 11).
+         *          You can specify the option only in the options field.
+         *
+         * `s`      Allows the dot character (i.e. .) to match all characters including newline characters.
+         *          You can specify the option only in the options field.
+         */
+        options?: RegexOptions;
+      };
+    }
+
+    export interface ReplaceOne {
+      /**
+       * Replaces the first instance of a matched string in a given input.
+       *
+       * @version 4.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/replaceOne/#mongodb-expression-exp.-replaceOne
+       */
+      $replaceOne: {
+        /**
+         * The string on which you wish to apply the find. Can be any valid expression that resolves to a string or a null. If input refers to a field that is missing, $replaceOne returns null.
+         */
+        input: StringExpression;
+        /**
+         * The string to search for within the given input. Can be any valid expression that resolves to a string or a null. If find refers to a field that is missing, $replaceOne returns null.
+         */
+        find: StringExpression;
+        /**
+         * The string to use to replace the first matched instance of find in input. Can be any valid expression that resolves to a string or a null.
+         */
+        replacement: StringExpression;
+      };
+    }
+
+    export interface ReplaceAll {
+      /**
+       * Replaces all instances of a matched string in a given input.
+       *
+       * @version 4.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/replaceAll/#mongodb-expression-exp.-replaceAll
+       */
+      $replaceAll: {
+        /**
+         * The string on which you wish to apply the find. Can be any valid expression that resolves to a string or a null. If input refers to a field that is missing, $replaceAll returns null.
+         */
+        input: StringExpression;
+        /**
+         * The string to search for within the given input. Can be any valid expression that resolves to a string or a null. If find refers to a field that is missing, $replaceAll returns null.
+         */
+        find: StringExpression;
+        /**
+         * The string to use to replace all matched instances of find in input. Can be any valid expression that resolves to a string or a null.
+         */
+        replacement: StringExpression;
+      };
+    }
+
+    export interface Rtrim {
+      /**
+       * Removes whitespace or the specified characters from the end of a string.
+       *
+       * @version 4.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/rtrim/#mongodb-expression-exp.-rtrim
+       */
+      $rtrim: {
+        /**
+         * The string to trim. The argument can be any valid expression that resolves to a string. For more information on expressions, see Expressions.
+         */
+        input: StringExpression;
+        /**
+         * The character(s) to trim from the beginning of the input.
+         *
+         * The argument can be any valid expression that resolves to a string. The $rtrim operator breaks down the string into individual UTF code point to trim from input.
+         *
+         * If unspecified, $rtrim removes whitespace characters, including the null character. For the list of whitespace characters, see Whitespace Characters.
+         */
+        chars?: StringExpression;
+      };
+    }
+
+    export interface Split {
+      /**
+       * Splits a string into substrings based on a delimiter. Returns an array of substrings. If the delimiter is not found within the string, returns an array containing the original string.
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/split/#mongodb-expression-exp.-split
+       */
+      $split: [StringExpression, StringExpression];
+    }
+
+    export interface StrLenBytes {
+      /**
+       * Returns the number of UTF-8 encoded bytes in a string.
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/strLenBytes/#mongodb-expression-exp.-strLenBytes
+       */
+      $strLenBytes: StringExpression;
+    }
+
+    export interface StrLenCP {
+      /**
+       * Returns the number of UTF-8 code points in a string.
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/strLenCP/#mongodb-expression-exp.-strLenCP
+       */
+      $strLenCP: StringExpression;
+    }
+
+    export interface Strcasecmp {
+      /**
+       * Performs case-insensitive string comparison and returns: 0 if two strings are equivalent, 1 if the first string is greater than the second, and -1 if the first string is less than the second.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/strcasecmp/#mongodb-expression-exp.-strcasecmp
+       */
+      $strcasecmp: [StringExpression, StringExpression];
+    }
+
+    export interface Substr {
+      /**
+       * Deprecated. Use $substrBytes or $substrCP.
+       *
+       * @deprecated 3.4
+       * @alias {Expression.SubstrBytes}
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/substr/#mongodb-expression-exp.-substr
+       */
+      $substr: [StringExpression, number, number];
+    }
+
+    export interface SubstrBytes {
+      /**
+       * Returns the substring of a string. Starts with the character at the specified UTF-8 byte index (zero-based) in the string and continues for the specified number of bytes.
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/substrBytes/#mongodb-expression-exp.-substrBytes
+       */
+      $substrBytes: [StringExpression, number, number];
+    }
+
+    export interface SubstrCP {
+      /**
+       * Returns the substring of a string. Starts with the character at the specified UTF-8 code point (CP) index (zero-based) in the string and continues for the number of code points specified.
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/substrCP/#mongodb-expression-exp.-substrCP
+       */
+      $substrCP: [StringExpression, number, number];
+    }
+
+    export interface ToLower {
+      /**
+       * Converts a string to lowercase. Accepts a single argument expression.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/toLower/#mongodb-expression-exp.-toLower
+       */
+      $toLower: StringExpression;
+    }
+
+    export interface ToString {
+      /**
+       * Converts value to a string.
+       *
+       * @version 4.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/toString/#mongodb-expression-exp.-toString
+       */
+      $toString: Expression;
+    }
+
+    export interface Trim {
+      /**
+       * Removes whitespace or the specified characters from the beginning and end of a string.
+       *
+       * @version 4.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/trim/#mongodb-expression-exp.-trim
+       */
+      $trim: {
+        /**
+         * The string to trim. The argument can be any valid expression that resolves to a string. For more information on expressions, see Expressions.
+         */
+        input: StringExpression;
+        /**
+         * The character(s) to trim from the beginning of the input.
+         *
+         * The argument can be any valid expression that resolves to a string. The $trim operator breaks down the string into individual UTF code point to trim from input.
+         *
+         * If unspecified, $trim removes whitespace characters, including the null character. For the list of whitespace characters, see Whitespace Characters.
+         */
+        chars?: StringExpression;
+      };
+    }
+
+    export interface ToUpper {
+      /**
+       * Converts a string to uppercase. Accepts a single argument expression.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/toUpper/#mongodb-expression-exp.-toUpper
+       */
+      $toUpper: StringExpression;
+    }
+
+    export interface Literal {
+
+      /**
+       * Returns a value without parsing. Use for values that the aggregation pipeline may interpret as an
+       * expression.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/literal/#mongodb-expression-exp.-literal
+       */
+      $literal: any;
+    }
+
+    export interface GetField {
+
+      /**
+       * Returns the value of a specified field from a document. If you don't specify an object, $getField returns
+       * the value of the field from $$CURRENT.
+       *
+       * @version 4.4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/getField/#mongodb-expression-exp.-getField
+       */
+      $getField: {
+        /**
+         * Field in the input object for which you want to return a value. field can be any valid expression that
+         * resolves to a string constant.
+         */
+        field: StringExpression;
+        /**
+         * A valid expression that contains the field for which you want to return a value. input must resolve to an
+         * object, missing, null, or undefined. If omitted, defaults to the document currently being processed in the
+         * pipeline ($$CURRENT).
+         */
+        input?: ObjectExpression | SpecialPathVariables | NullExpression;
+      }
+    }
+
+    export interface Rand {
+
+      /**
+       * Returns a random float between 0 and 1 each time it is called.
+       *
+       * @version 4.4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/rand/#mongodb-expression-exp.-rand
+       */
+      $rand: Record<string | number | symbol, never>;
+    }
+
+    export interface SampleRate {
+
+      /**
+       * Matches a random selection of input documents. The number of documents selected approximates the sample
+       * rate expressed as a percentage of the total number of documents.
+       *
+       * @version 4.4.2
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/sampleRate/#mongodb-expression-exp.-sampleRate
+       */
+      $sampleRate: number;
+    }
+
+    export interface MergeObjects {
+
+      /**
+       * Combines multiple documents into a single document.
+       *
+       * @version 3.6
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/mergeObjects/#mongodb-expression-exp.-mergeObjects
+       */
+      $mergeObjects: ObjectExpression | ObjectExpression[] | ArrayExpression;
+    }
+
+    export interface SetField {
+
+      /**
+       * Adds, updates, or removes a specified field in a document.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/setField/#mongodb-expression-exp.-setField
+       */
+      $setField: {
+        /**
+         * Field in the input object that you want to add, update, or remove. field can be any valid expression that
+         * resolves to a string constant.
+         */
+        field: StringExpression;
+        /**
+         * Document that contains the field that you want to add or update. input must resolve to an object, missing,
+         * null, or undefined
+         */
+        input?: ObjectExpression | NullExpression;
+        /**
+         * The value that you want to assign to field. value can be any valid expression.
+         */
+        value?: Expression | SpecialPathVariables;
+      }
+    }
+
+    export interface UnsetField {
+
+      /**
+       * Removes a specified field in a document.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/unsetField/#mongodb-expression-exp.-unsetField
+       */
+      $unsetField: {
+        /**
+         * Field in the input object that you want to add, update, or remove. field can be any valid expression that
+         * resolves to a string constant.
+         */
+        field: StringExpression;
+        /**
+         * Document that contains the field that you want to add or update. input must resolve to an object, missing,
+         * null, or undefined.
+         */
+        input?: ObjectExpression | SpecialPathVariables | NullExpression;
+      }
+    }
+
+    export interface Let {
+
+      /**
+       * Binds variables for use in the specified expression, and returns the result of the expression.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/let/#mongodb-expression-exp.-let
+       */
+      $let: {
+        /**
+         * Assignment block for the variables accessible in the in expression. To assign a variable, specify a
+         * string for the variable name and assign a valid expression for the value.
+         */
+        vars: { [key: string]: Expression; };
+        /**
+         * The expression to evaluate.
+         */
+        in: Expression;
+      }
+    }
+
+    export interface AllElementsTrue {
+      /**
+       * Evaluates an array as a set and returns true if no element in the array is false. Otherwise, returns false. An
+       * empty array returns true.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/allElementsTrue/#mongodb-expression-exp.-allElementsTrue
+       */
+      $allElementsTrue: ArrayExpression;
+    }
+
+    export interface AnyElementsTrue {
+      /**
+       * Evaluates an array as a set and returns true if any of the elements are true and false otherwise. An empty
+       * array returns false.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/anyElementsTrue/#mongodb-expression-exp.-anyElementsTrue
+       */
+      $anyElementTrue: ArrayExpression;
+    }
+
+    export interface SetDifference {
+      /**
+       * Takes two sets and returns an array containing the elements that only exist in the first set; i.e. performs a
+       * relative complement of the second set relative to the first.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/setDifference/#mongodb-expression-exp.-setDifference
+       */
+      $setDifference: [ArrayExpression, ArrayExpression];
+    }
+
+    export interface SetEquals {
+      /**
+       * Compares two or more arrays and returns true if they have the same distinct elements and false otherwise.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/setEquals/#mongodb-expression-exp.-setEquals
+       */
+      $setEquals: ArrayExpression[];
+    }
+
+    export interface SetIntersection {
+      /**
+       * Takes two or more arrays and returns an array that contains the elements that appear in every input array.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/setIntersection/#mongodb-expression-exp.-setIntersection
+       */
+      $setIntersection: ArrayExpression[];
+    }
+
+    export interface SetIsSubset {
+      /**
+       * Takes two arrays and returns true when the first array is a subset of the second, including when the first
+       * array equals the second array, and false otherwise.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/setIsSubset/#mongodb-expression-exp.-setIsSubset
+       */
+      $setIsSubset: [ArrayExpression, ArrayExpression];
+    }
+
+    export interface SetUnion {
+      /**
+       * Takes two or more arrays and returns an array containing the elements that appear in any input array.
+       *
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/setUnion/#mongodb-expression-exp.-setUnion
+       */
+      $setUnion: ArrayExpression[];
+    }
+
+    export interface Accumulator {
+      /**
+       * Defines a custom accumulator operator. Accumulators are operators that maintain their state (e.g. totals,
+       * maximums, minimums, and related data) as documents progress through the pipeline. Use the $accumulator operator
+       * to execute your own JavaScript functions to implement behavior not supported by the MongoDB Query Language. See
+       * also $function.
+       *
+       * @version 4.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/accumulator/#mongodb-expression-exp.-accumulator
+       */
+      $accumulator: {
+        /**
+         * Function used to initialize the state. The init function receives its arguments from the initArgs array
+         * expression. You can specify the function definition as either BSON type Code or String.
+         */
+        init: CodeExpression;
+        /**
+         * Arguments passed to the init function.
+         */
+        initArgs?: ArrayExpression;
+        /**
+         * Function used to accumulate documents. The accumulate function receives its arguments from the current state
+         * and accumulateArgs array expression. The result of the accumulate function becomes the new state. You can
+         * specify the function definition as either BSON type Code or String.
+         */
+        accumulate: CodeExpression;
+        /**
+         * Arguments passed to the accumulate function. You can use accumulateArgs to specify what field value(s) to
+         * pass to the accumulate function.
+         */
+        accumulateArgs: ArrayExpression;
+        /**
+         * Function used to merge two internal states. merge must be either a String or Code BSON type. merge returns
+         * the combined result of the two merged states. For information on when the merge function is called, see Merge
+         * Two States with $merge.
+         */
+        merge: CodeExpression;
+        /**
+         * Function used to update the result of the accumulation.
+         */
+        finalize?: CodeExpression;
+        /**
+         * The language used in the $accumulator code.
+         */
+        lang: 'js';
+      }
+    }
+
+    export interface AddToSet {
+      /**
+       * Returns an array of all unique values that results from applying an expression to each document in a group.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/addToSet/#mongodb-expression-exp.-addToSet
+       */
+      $addToSet: Expression | Record<string, Expression>;
+    }
+
+    export interface Avg {
+      /**
+       * Returns the average value of the numeric values. $avg ignores non-numeric values.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/avg/#mongodb-expression-exp.-avg
+       */
+      $avg: Expression;
+    }
+
+    export interface Count {
+      /**
+       * Returns the number of documents in a group.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/count/#mongodb-expression-exp.-count
+       */
+      $count: Record<string | number | symbol, never> | Path;
+    }
+
+    export interface CovariancePop {
+      /**
+       * Returns the population covariance of two numeric expressions that are evaluated using documents in the
+       * $setWindowFields stage window.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/covariancePop/#mongodb-expression-exp.-covariancePop
+       */
+      $covariancePop: [NumberExpression, NumberExpression];
+    }
+
+    export interface CovarianceSamp {
+      /**
+       * Returns the sample covariance of two numeric expressions that are evaluated using documents in the
+       * $setWindowFields stage window.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/covarianceSamp/#mongodb-expression-exp.-covarianceSamp
+       */
+      $covarianceSamp: [NumberExpression, NumberExpression];
+    }
+
+    export interface DenseRank {
+      /**
+       * Returns the document position (known as the rank) relative to other documents in the $setWindowFields stage
+       * partition.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/denseRank/#mongodb-expression-exp.-denseRank
+       */
+      $denseRank: Record<string | number | symbol, never>;
+    }
+
+    export interface Derivative {
+      /**
+       * Returns the average rate of change within the specified window, which is calculated using the:
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/derivative/#mongodb-expression-exp.-derivative
+       */
+      $derivative: {
+        /**
+         * Specifies the expression to evaluate. The expression must evaluate to a number.
+         */
+        input: NumberExpression;
+        /**
+         * A string that specifies the time unit.
+         */
+        unit?: DateUnit;
+      }
+    }
+
+    export interface DocumentNumber {
+      /**
+       * Returns the position of a document (known as the document number) in the $setWindowFields stage partition.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/documentNumber/#mongodb-expression-exp.-documentNumber
+       */
+      $documentNumber: Record<string | number | symbol, never>;
+    }
+
+    export interface ExpMovingAvg {
+      /**
+       * Returns the exponential moving average of numeric expressions applied to documents in a partition defined in
+       * the $setWindowFields stage.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/expMovingAvg/#mongodb-expression-exp.-expMovingAvg
+       */
+      $expMovingAvg: {
+        /**
+         * Specifies the expression to evaluate. Non-numeric expressions are ignored.
+         */
+        input: Expression;
+
+        /**
+         * An integer that specifies the number of historical documents that have a significant mathematical weight in
+         * the exponential moving average calculation, with the most recent documents contributing the most weight.
+         *
+         * You must specify either N or alpha. You cannot specify both.
+         */
+        N: NumberExpression;
+
+        /**
+         * A double that specifies the exponential decay value to use in the exponential moving average calculation. A
+         * higher alpha value assigns a lower mathematical significance to previous results from the calculation.
+         *
+         * You must specify either N or alpha. You cannot specify both.
+         */
+        alpha?: never;
+      } |
+      {
+        /**
+         * Specifies the expression to evaluate. Non-numeric expressions are ignored.
+         */
+        input: Expression;
+
+        /**
+         * An integer that specifies the number of historical documents that have a significant mathematical weight in
+         * the exponential moving average calculation, with the most recent documents contributing the most weight.
+         *
+         * You must specify either N or alpha. You cannot specify both.
+         */
+        N?: never;
+
+        /**
+         * A double that specifies the exponential decay value to use in the exponential moving average calculation. A
+         * higher alpha value assigns a lower mathematical significance to previous results from the calculation.
+         *
+         * You must specify either N or alpha. You cannot specify both.
+         */
+        alpha: NumberExpression;
+      }
+    }
+
+    export interface Integral {
+      /**
+       * Returns the approximation of the area under a curve, which is calculated using the trapezoidal rule where each
+       * set of adjacent documents form a trapezoid using the:
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/integral/#mongodb-expression-exp.-integral
+       */
+      $integral: {
+        /**
+         * Specifies the expression to evaluate. You must provide an expression that returns a number.
+         */
+        input: NumberExpression;
+
+        /**
+         * A string that specifies the time unit.
+         */
+        unit?: DateUnit;
+      }
+    }
+
+    export interface Max {
+      /**
+       * Returns the maximum value. $max compares both value and type, using the specified BSON comparison order for
+       * values of different types.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/max/#mongodb-expression-exp.-max
+       */
+      $max: Expression | Expression[];
+    }
+
+    export interface Min {
+      /**
+       * Returns the minimum value. $min compares both value and type, using the specified BSON comparison order for
+       * values of different types.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/min/#mongodb-expression-exp.-min
+       */
+      $min: Expression | Expression[];
+    }
+
+    export interface Push {
+      /**
+       * Returns an array of all values that result from applying an expression to documents.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/push/#mongodb-expression-exp.-push
+       */
+      $push: Expression | Record<string, Expression>;
+    }
+
+    export interface Rank {
+      /**
+       * Returns the document position (known as the rank) relative to other documents in the $setWindowFields stage
+       * partition.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/rank/#mongodb-expression-exp.-rank
+       */
+      $rank: Record<string | number | symbol, never>;
+    }
+
+    export interface Shift {
+      /**
+       * Returns the value from an expression applied to a document in a specified position relative to the current
+       * document in the $setWindowFields stage partition.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/shift/#mongodb-expression-exp.-shift
+       */
+      $shift: {
+        /**
+         * Specifies an expression to evaluate and return in the output.
+         */
+        output: Expression;
+        /**
+         * Specifies an integer with a numeric document position relative to the current document in the output.
+         */
+        by: number;
+        /**
+         * Specifies an optional default expression to evaluate if the document position is outside of the implicit
+         * $setWindowFields stage window. The implicit window contains all the documents in the partition.
+         */
+        default?: Expression;
+      }
+    }
+
+    export interface StdDevPop {
+      /**
+       * Calculates the population standard deviation of the input values. Use if the values encompass the entire
+       * population of data you want to represent and do not wish to generalize about a larger population. $stdDevPop
+       * ignores non-numeric values.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/stdDevPop/#mongodb-expression-exp.-stdDevPop
+       */
+      $stdDevPop: Expression;
+    }
+
+    export interface StdDevSamp {
+      /**
+       * Calculates the sample standard deviation of the input values. Use if the values encompass a sample of a
+       * population of data from which to generalize about the population. $stdDevSamp ignores non-numeric values.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/stdDevSamp/#mongodb-expression-exp.-stdDevSamp
+       */
+      $stdDevSamp: Expression;
+    }
+
+    export interface Sum {
+      /**
+       * Calculates and returns the collective sum of numeric values. $sum ignores non-numeric values.
+       *
+       * @version 5.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/sum/#mongodb-expression-exp.-sum
+       */
+      $sum: number | Expression | Expression[];
+    }
+
+    export interface Convert<K extends 'double' | 1 | 'string' | 2 | 'objectId' | 7 | 'bool' | 8 | 'date' | 9 | 'int' | 16 | 'long' | 18 | 'decimal' | 19 = 'double' | 1 | 'string' | 2 | 'objectId' | 7 | 'bool' | 8 | 'date' | 9 | 'int' | 16 | 'long' | 18 | 'decimal' | 19> {
+      /**
+       * Checks if the specified expression resolves to one of the following numeric
+       * - Integer
+       * - Decimal
+       * - Double
+       * - Long
+       *
+       * @version 4.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/convert/#mongodb-expression-exp.-convert
+       */
+      $convert: {
+        input: Expression;
+        to: K;
+        onError?: Expression;
+        onNull?: Expression;
+      };
+    }
+
+    export interface IsNumber {
+      /**
+       * Checks if the specified expression resolves to one of the following numeric
+       * - Integer
+       * - Decimal
+       * - Double
+       * - Long
+       *
+       * @version 4.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/isNumber/#mongodb-expression-exp.-isNumber
+       */
+      $isNumber: Expression;
+    }
+
+    export interface ToBool {
+      /**
+       * Converts a value to a boolean.
+       *
+       * @version 4.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/toBool/#mongodb-expression-exp.-toBool
+       */
+      $toBool: Expression;
+    }
+
+    export interface ToDecimal {
+      /**
+       * Converts a value to a decimal. If the value cannot be converted to a decimal, $toDecimal errors. If the value
+       * is null or missing, $toDecimal returns null.
+       *
+       * @version 4.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/toDecimal/#mongodb-expression-exp.-toDecimal
+       */
+      $toDecimal: Expression;
+    }
+
+    export interface ToDouble {
+      /**
+       * Converts a value to a double. If the value cannot be converted to an double, $toDouble errors. If the value is
+       * null or missing, $toDouble returns null.
+       *
+       * @version 4.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/toDouble/#mongodb-expression-exp.-toDouble
+       */
+      $toDouble: Expression;
+    }
+
+    export interface ToInt {
+      /**
+       * Converts a value to a long. If the value cannot be converted to a long, $toLong errors. If the value is null or
+       * missing, $toLong returns null.
+       *
+       * @version 4.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/toInt/#mongodb-expression-exp.-toInt
+       */
+      $toInt: Expression;
+    }
+
+    export interface ToLong {
+      /**
+       * Converts a value to a long. If the value cannot be converted to a long, $toLong errors. If the value is null or
+       * missing, $toLong returns null.
+       *
+       * @version 4.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/toLong/#mongodb-expression-exp.-toLong
+       */
+      $toLong: Expression;
+    }
+
+    export interface ToObjectId {
+      /**
+       * Converts a value to an ObjectId(). If the value cannot be converted to an ObjectId, $toObjectId errors. If the
+       * value is null or missing, $toObjectId returns null.
+       *
+       * @version 4.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/toObjectId/#mongodb-expression-exp.-toObjectId
+       */
+      $toObjectId: Expression;
+    }
+
+    export interface Top {
+      $top: {
+        sortBy: AnyObject,
+        output: Expression
+      };
+    }
+
+    export interface TopN {
+      $topN: {
+        n: Expression,
+        sortBy: AnyObject,
+        output: Expression
+      };
+    }
+
+    export interface ToString {
+      /**
+       * Converts a value to a string. If the value cannot be converted to a string, $toString errors. If the value is
+       * null or missing, $toString returns null.
+       *
+       * @version 4.0
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/toString/#mongodb-expression-exp.-toString
+       */
+      $toString: Expression;
+    }
+
+    export interface Type {
+      /**
+       * Returns a string that specifies the BSON type of the argument.
+       *
+       * @version 3.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/type/#mongodb-expression-exp.-type
+       */
+      $type: Expression;
+    }
+
+    export interface BinarySize {
+      /**
+       * Returns the size of a given string or binary data value's content in bytes.
+       *
+       * @version 4.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/binarySize/#mongodb-expression-exp.-binarySize
+       */
+      $binarySize: NullExpression | StringExpression | BinaryExpression;
+    }
+
+    export interface BsonSize {
+      /**
+       * Returns the size in bytes of a given document (i.e. bsontype Object) when encoded as BSON. You can use
+       * $bsonSize as an alternative to the Object.bsonSize() method.
+       *
+       * @version 4.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/bsonSize/#mongodb-expression-exp.-bsonSize
+       */
+      $bsonSize: NullExpression | ObjectExpression;
+    }
+
+    export interface Function {
+      /**
+       * Defines a custom aggregation function or expression in JavaScript.
+       *
+       * @version 4.4
+       * @see https://docs.mongodb.com/manual/reference/operator/aggregation/function/#mongodb-expression-exp.-function
+       */
+      $function: {
+        /**
+         * 	The function definition. You can specify the function definition as either BSON type Code or String.
+         */
+        body: CodeExpression;
+        /**
+         * Arguments passed to the function body. If the body function does not take an argument, you can specify an
+         * empty array [ ]
+         */
+        args: ArrayExpression;
+        /**
+         * The language used in the body. You must specify lang: "js".
+         */
+        lang: 'js'
+      };
+    }
+  }
+
+  type Path = string;
+
+
+  export type Expression =
+    Path |
+    ArithmeticExpressionOperator |
+    ArrayExpressionOperator |
+    BooleanExpressionOperator |
+    ComparisonExpressionOperator |
+    ConditionalExpressionOperator |
+    CustomAggregationExpressionOperator |
+    DataSizeOperator |
+    DateExpressionOperator |
+    LiteralExpressionOperator |
+    MiscellaneousExpressionOperator |
+    ObjectExpressionOperator |
+    SetExpressionOperator |
+    StringExpressionOperator |
+    TextExpressionOperator |
+    TrigonometryExpressionOperator |
+    TypeExpressionOperator |
+    AccumulatorOperator |
+    VariableExpressionOperator |
+    WindowOperator |
+    Expression.Top |
+    Expression.TopN |
+    any;
+
+  export type NullExpression = null;
+
+  export type CodeExpression =
+    string |
+    Function;
+
+  export type BinaryExpression =
+    Path;
+
+  export type FunctionExpression =
+    Expression.Function;
+
+  export type AnyExpression =
+    ArrayExpression |
+    BooleanExpression |
+    NumberExpression |
+    ObjectExpression |
+    StringExpression |
+    DateExpression |
+    BinaryExpression |
+    FunctionExpression |
+    ObjectIdExpression |
+    ConditionalExpressionOperator |
+    any;
+
+  export type ObjectIdExpression =
+    TypeExpressionOperatorReturningObjectId;
+
+  export type ArrayExpression<T = any> =
+    T[] |
+    Path |
+    ArrayExpressionOperatorReturningAny |
+    ArrayExpressionOperatorReturningArray |
+    StringExpressionOperatorReturningArray |
+    ObjectExpressionOperatorReturningArray |
+    SetExpressionOperatorReturningArray |
+    LiteralExpressionOperatorReturningAny |
+    WindowOperatorReturningArray |
+    CustomAggregationExpressionOperatorReturningAny |
+    WindowOperatorReturningAny;
+
+  export type BooleanExpression =
+    boolean |
+    Path |
+    BooleanExpressionOperator |
+    ArrayExpressionOperatorReturningAny |
+    ComparisonExpressionOperatorReturningBoolean |
+    StringExpressionOperatorReturningBoolean |
+    SetExpressionOperatorReturningBoolean |
+    LiteralExpressionOperatorReturningAny |
+    CustomAggregationExpressionOperatorReturningAny |
+    TypeExpressionOperatorReturningBoolean;
+
+  export type NumberExpression =
+    number |
+    Path |
+    ArrayExpressionOperatorReturningAny |
+    ArrayExpressionOperatorReturningNumber |
+    ArithmeticExpressionOperator |
+    ComparisonExpressionOperatorReturningNumber |
+    TrigonometryExpressionOperator |
+    MiscellaneousExpressionOperatorReturningNumber |
+    StringExpressionOperatorReturningNumber |
+    LiteralExpressionOperatorReturningAny |
+    ObjectExpressionOperator |
+    SetExpressionOperator |
+    WindowOperatorReturningNumber |
+    WindowOperatorReturningAny |
+    DataSizeOperatorReturningNumber |
+    CustomAggregationExpressionOperatorReturningAny |
+    TypeExpressionOperatorReturningNumber |
+    DateExpression |
+    DateExpressionOperatorReturningNumber;
+
+  export type ObjectExpression =
+    Path |
+    ArrayExpressionOperatorReturningAny |
+    DateExpressionOperatorReturningObject |
+    StringExpressionOperatorReturningObject |
+    ObjectExpressionOperatorReturningObject |
+    CustomAggregationExpressionOperatorReturningAny |
+    LiteralExpressionOperatorReturningAny;
+
+  export type StringExpression<T = string> =
+    Path |
+    ArrayExpressionOperatorReturningAny |
+    DateExpressionOperatorReturningString |
+    StringExpressionOperatorReturningString |
+    LiteralExpressionReturningAny |
+    CustomAggregationExpressionOperatorReturningAny |
+    TypeExpressionOperatorReturningString |
+    T;
+
+  export type DateExpression =
+    Path |
+    NativeDate |
+    DateExpressionOperatorReturningDate |
+    TypeExpressionOperatorReturningDate |
+    LiteralExpressionReturningAny;
+
+  export type ArithmeticExpressionOperator =
+    Expression.Abs |
+    Expression.Add |
+    Expression.Ceil |
+    Expression.Divide |
+    Expression.Exp |
+    Expression.Floor |
+    Expression.Ln |
+    Expression.Log |
+    Expression.Log10 |
+    Expression.Mod |
+    Expression.Multiply |
+    Expression.Pow |
+    Expression.Round |
+    Expression.Sqrt |
+    Expression.Subtract |
+    Expression.Trunc;
+
+  export type ArrayExpressionOperator =
+    ArrayExpressionOperatorReturningAny |
+    ArrayExpressionOperatorReturningBoolean |
+    ArrayExpressionOperatorReturningNumber |
+    ArrayExpressionOperatorReturningObject;
+
+  export type LiteralExpressionOperator =
+    Expression.Literal;
+
+  export type LiteralExpressionReturningAny =
+    LiteralExpressionOperatorReturningAny;
+
+  export type LiteralExpressionOperatorReturningAny =
+    Expression.Literal;
+
+  export type MiscellaneousExpressionOperator =
+    Expression.Rand |
+    Expression.SampleRate;
+
+  export type MiscellaneousExpressionOperatorReturningNumber =
+    Expression.Rand;
+
+  export type ArrayExpressionOperatorReturningAny =
+    Expression.ArrayElemAt |
+    Expression.First |
+    Expression.Last |
+    Expression.Reduce;
+
+  export type ArrayExpressionOperatorReturningArray =
+    Expression.ConcatArrays |
+    Expression.Filter |
+    Expression.Map |
+    Expression.ObjectToArray |
+    Expression.Range |
+    Expression.ReverseArray |
+    Expression.Slice |
+    Expression.Zip;
+
+  export type ArrayExpressionOperatorReturningNumber =
+    Expression.IndexOfArray |
+    Expression.Size;
+
+  export type ArrayExpressionOperatorReturningObject =
+    Expression.ArrayToObject;
+
+  export type ArrayExpressionOperatorReturningBoolean =
+    Expression.In |
+    Expression.IsArray;
+
+  export type BooleanExpressionOperator =
+    Expression.And |
+    Expression.Or |
+    Expression.Not;
+
+  export type ComparisonExpressionOperator =
+    ComparisonExpressionOperatorReturningBoolean |
+    ComparisonExpressionOperatorReturningNumber;
+
+  export type ComparisonExpressionOperatorReturningBoolean =
+    Expression.Eq |
+    Expression.Gt |
+    Expression.Gte |
+    Expression.Lt |
+    Expression.Lte |
+    Expression.Ne;
+
+  export type ComparisonExpressionOperatorReturningNumber =
+    Expression.Cmp;
+
+  export type ConditionalExpressionOperator =
+    Expression.Cond |
+    Expression.IfNull |
+    Expression.Switch;
+
+  export type StringExpressionOperator =
+    StringExpressionOperatorReturningArray |
+    StringExpressionOperatorReturningBoolean |
+    StringExpressionOperatorReturningNumber |
+    StringExpressionOperatorReturningObject |
+    StringExpressionOperatorReturningString;
+
+  export type StringExpressionOperatorReturningArray =
+    Expression.RegexFindAll |
+    Expression.Split;
+
+  export type StringExpressionOperatorReturningBoolean =
+    Expression.RegexMatch;
+
+  export type StringExpressionOperatorReturningNumber =
+    Expression.IndexOfBytes |
+    Expression.IndexOfCP |
+    Expression.Strcasecmp |
+    Expression.StrLenBytes |
+    Expression.StrLenCP;
+
+  export type StringExpressionOperatorReturningObject =
+    Expression.RegexFind;
+
+  export type StringExpressionOperatorReturningString =
+    Expression.Concat |
+    Expression.Ltrim |
+    Expression.Ltrim |
+    Expression.ReplaceOne |
+    Expression.ReplaceAll |
+    Expression.Substr |
+    Expression.SubstrBytes |
+    Expression.SubstrCP |
+    Expression.ToLower |
+    Expression.ToString |
+    Expression.ToUpper |
+    Expression.Trim;
+
+  export type ObjectExpressionOperator =
+    Expression.MergeObjects |
+    Expression.ObjectToArray |
+    Expression.SetField |
+    Expression.UnsetField;
+
+  export type ObjectExpressionOperatorReturningArray =
+    Expression.ObjectToArray;
+
+  export type ObjectExpressionOperatorReturningObject =
+    Expression.MergeObjects |
+    Expression.SetField |
+    Expression.UnsetField;
+
+  export type VariableExpressionOperator =
+    Expression.Let;
+
+  export type VariableExpressionOperatorReturningAny =
+    Expression.Let;
+
+  export type SetExpressionOperator =
+    Expression.AllElementsTrue |
+    Expression.AnyElementsTrue |
+    Expression.SetDifference |
+    Expression.SetEquals |
+    Expression.SetIntersection |
+    Expression.SetIsSubset |
+    Expression.SetUnion;
+
+  export type SetExpressionOperatorReturningBoolean =
+    Expression.AllElementsTrue |
+    Expression.AnyElementsTrue |
+    Expression.SetEquals |
+    Expression.SetIsSubset;
+
+  export type SetExpressionOperatorReturningArray =
+    Expression.SetDifference |
+    Expression.SetIntersection |
+    Expression.SetUnion;
+
+  /**
+   * Trigonometry expressions perform trigonometric operations on numbers.
+   * Values that represent angles are always input or output in radians.
+   * Use $degreesToRadians and $radiansToDegrees to convert between degree
+   * and radian measurements.
+   */
+  export type TrigonometryExpressionOperator =
+    Expression.Sin |
+    Expression.Cos |
+    Expression.Tan |
+    Expression.Asin |
+    Expression.Acos |
+    Expression.Atan |
+    Expression.Atan2 |
+    Expression.Asinh |
+    Expression.Acosh |
+    Expression.Atanh |
+    Expression.Sinh |
+    Expression.Cosh |
+    Expression.Tanh |
+    Expression.DegreesToRadians |
+    Expression.RadiansToDegrees;
+
+  export type TextExpressionOperator =
+    Expression.Meta;
+
+  export type WindowOperator =
+    Expression.AddToSet |
+    Expression.Avg |
+    Expression.Count |
+    Expression.CovariancePop |
+    Expression.CovarianceSamp |
+    Expression.DenseRank |
+    Expression.Derivative |
+    Expression.DocumentNumber |
+    Expression.ExpMovingAvg |
+    Expression.First |
+    Expression.Integral |
+    Expression.Last |
+    Expression.Max |
+    Expression.Min |
+    Expression.Push |
+    Expression.Rank |
+    Expression.Shift |
+    Expression.StdDevPop |
+    Expression.StdDevSamp |
+    Expression.Sum;
+
+  export type WindowOperatorReturningAny =
+    Expression.First |
+    Expression.Last |
+    Expression.Shift;
+
+  export type WindowOperatorReturningArray =
+    Expression.AddToSet |
+    Expression.Push;
+
+  export type WindowOperatorReturningNumber =
+    Expression.Avg |
+    Expression.Count |
+    Expression.CovariancePop |
+    Expression.CovarianceSamp |
+    Expression.DenseRank |
+    Expression.DocumentNumber |
+    Expression.ExpMovingAvg |
+    Expression.Integral |
+    Expression.Max |
+    Expression.Min |
+    Expression.StdDevPop |
+    Expression.StdDevSamp |
+    Expression.Sum;
+
+  export type TypeExpressionOperator =
+    Expression.Convert |
+    Expression.IsNumber |
+    Expression.ToBool |
+    Expression.ToDate |
+    Expression.ToDecimal |
+    Expression.ToDouble |
+    Expression.ToInt |
+    Expression.ToLong |
+    Expression.ToObjectId |
+    Expression.ToString |
+    Expression.Type;
+
+  export type TypeExpressionOperatorReturningNumber =
+    Expression.Convert<'double' | 1 | 'int' | 16 | 'long' | 18 | 'decimal' | 19> |
+    Expression.ToDecimal |
+    Expression.ToDouble |
+    Expression.ToInt |
+    Expression.ToLong;
+
+  export type TypeExpressionOperatorReturningBoolean =
+    Expression.Convert<'bool' | 8> |
+    Expression.IsNumber |
+    Expression.ToBool;
+
+
+  export type TypeExpressionOperatorReturningString =
+    Expression.Convert<'string' | 2> |
+    Expression.ToString |
+    Expression.Type;
+
+  export type TypeExpressionOperatorReturningObjectId =
+    Expression.Convert<'objectId' | 7> |
+    Expression.ToObjectId;
+
+  export type TypeExpressionOperatorReturningDate =
+    Expression.Convert<'date' | 9> |
+    Expression.ToDate;
+
+  export type DataSizeOperator =
+    Expression.BinarySize |
+    Expression.BsonSize;
+
+  export type DataSizeOperatorReturningNumber =
+    Expression.BinarySize |
+    Expression.BsonSize;
+
+  export type CustomAggregationExpressionOperator =
+    Expression.Accumulator |
+    Expression.Function;
+
+  export type CustomAggregationExpressionOperatorReturningAny =
+    Expression.Function;
+
+  export type AccumulatorOperator =
+    Expression.Accumulator |
+    Expression.AddToSet |
+    Expression.Avg |
+    Expression.Count |
+    Expression.First |
+    Expression.Last |
+    Expression.Max |
+    Expression.MergeObjects |
+    Expression.Min |
+    Expression.Push |
+    Expression.StdDevPop |
+    Expression.StdDevSamp |
+    Expression.Sum |
+    Expression.TopN;
+
+  export type tzExpression = UTCOffset | StringExpressionOperatorReturningBoolean | string;
+
+  type hh = '-00' | '-01' | '-02' | '-03' | '-04' | '-05' | '-06' | '-07' | '-08' | '-09' | '-10' | '-11' | '-12' |
+  '+00' | '+01' | '+02' | '+03' | '+04' | '+05' | '+06' | '+07' | '+08' | '+09' | '+10' | '+11' | '+12' | '+13' | '+14';
+  type mm = '00' | '30' | '45';
+
+  type UTCOffset = `${hh}` | `${hh}${mm}` | `${hh}:${mm}`;
+
+  type RegexOptions =
+    'i' | 'm' | 's' | 'x' |
+    'is' | 'im' | 'ix' | 'si' | 'sm' | 'sx' | 'mi' | 'ms' | 'mx' | 'xi' | 'xs' | 'xm' |
+    'ism' | 'isx' | 'ims' | 'imx' | 'ixs' | 'ixm' | 'sim' | 'six' | 'smi' | 'smx' | 'sxi' | 'sxm' | 'mis' | 'mix' | 'msi' | 'msx' | 'mxi' | 'mxs' | 'xis' | 'xim' | 'xsi' | 'xsm' | 'xmi' | 'xms' |
+    'ismx' | 'isxm' | 'imsx' | 'imxs' | 'ixsm' | 'ixms' | 'simx' | 'sixm' | 'smix' | 'smxi' | 'sxim' | 'sxmi' | 'misx' | 'mixs' | 'msix' | 'msxi' | 'mxis' | 'mxsi' | 'xism' | 'xims' | 'xsim' | 'xsmi' | 'xmis' | 'xmsi';
+
+  type StartOfWeek =
+    'monday' | 'mon' |
+    'tuesday' | 'tue' |
+    'wednesday' | 'wed' |
+    'thursday' | 'thu' |
+    'friday' | 'fri' |
+    'saturday' | 'sat' |
+    'sunday' | 'sun';
+
+  type DateUnit = 'year' | 'quarter' | 'week' | 'month' | 'day' | 'hour' | 'minute' | 'second' | 'millisecond';
+
+  type FormatString = string;
+
+  export type DateExpressionOperator =
+    DateExpressionOperatorReturningDate |
+    DateExpressionOperatorReturningNumber |
+    DateExpressionOperatorReturningString |
+    DateExpressionOperatorReturningObject;
+
+  export type DateExpressionOperatorReturningObject =
+    Expression.DateToParts;
+
+  export type DateExpressionOperatorReturningNumber =
+    Expression.DateDiff |
+    Expression.DayOfMonth |
+    Expression.DayOfWeek |
+    Expression.DayOfYear |
+    Expression.IsoDayOfWeek |
+    Expression.IsoWeek |
+    Expression.IsoWeekYear |
+    Expression.Millisecond |
+    Expression.Second |
+    Expression.Minute |
+    Expression.Hour |
+    Expression.Month |
+    Expression.Year;
+
+  export type DateExpressionOperatorReturningDate =
+    Expression.DateAdd |
+    Expression.DateFromParts |
+    Expression.DateFromString |
+    Expression.DateSubtract |
+    Expression.DateTrunc |
+    Expression.ToDate;
+
+  export type DateExpressionOperatorReturningString =
+    Expression.DateToString;
+
+}
diff --git a/node_modules/mongoose/types/helpers.d.ts b/node_modules/mongoose/types/helpers.d.ts
new file mode 100644
index 000000000..91e2ea275
--- /dev/null
+++ b/node_modules/mongoose/types/helpers.d.ts
@@ -0,0 +1,32 @@
+declare module 'mongoose' {
+  import mongodb = require('mongodb');
+
+  /**
+   * Mongoose uses this function to get the current time when setting
+   * [timestamps](/docs/guide.html#timestamps). You may stub out this function
+   * using a tool like [Sinon](https://www.npmjs.com/package/sinon) for testing.
+   */
+  function now(): NativeDate;
+
+  /**
+   * Tells `sanitizeFilter()` to skip the given object when filtering out potential query selector injection attacks.
+   * Use this method when you have a known query selector that you want to use.
+   */
+  function trusted<T>(obj: T): T;
+
+  /**
+   * Returns true if the given value is a Mongoose ObjectId (using `instanceof`) or if the
+   * given value is a 24 character hex string, which is the most commonly used string representation
+   * of an ObjectId.
+   */
+  function isObjectIdOrHexString(v: mongodb.ObjectId): true;
+  function isObjectIdOrHexString(v: mongodb.ObjectId | string): boolean;
+  function isObjectIdOrHexString(v: any): false;
+
+  /**
+   * Returns true if Mongoose can cast the given value to an ObjectId, or
+   * false otherwise.
+   */
+  function isValidObjectId(v: mongodb.ObjectId | Types.ObjectId): true;
+  function isValidObjectId(v: any): boolean;
+}
diff --git a/node_modules/mongoose/types/index.d.ts b/node_modules/mongoose/types/index.d.ts
new file mode 100644
index 000000000..60cac7955
--- /dev/null
+++ b/node_modules/mongoose/types/index.d.ts
@@ -0,0 +1,580 @@
+/// <reference path="./aggregate.d.ts" />
+/// <reference path="./callback.d.ts" />
+/// <reference path="./collection.d.ts" />
+/// <reference path="./connection.d.ts" />
+/// <reference path="./cursor.d.ts" />
+/// <reference path="./document.d.ts" />
+/// <reference path="./error.d.ts" />
+/// <reference path="./expressions.d.ts" />
+/// <reference path="./helpers.d.ts" />
+/// <reference path="./middlewares.d.ts" />
+/// <reference path="./indexes.d.ts" />
+/// <reference path="./models.d.ts" />
+/// <reference path="./mongooseoptions.d.ts" />
+/// <reference path="./pipelinestage.d.ts" />
+/// <reference path="./populate.d.ts" />
+/// <reference path="./query.d.ts" />
+/// <reference path="./schemaoptions.d.ts" />
+/// <reference path="./schematypes.d.ts" />
+/// <reference path="./session.d.ts" />
+/// <reference path="./types.d.ts" />
+/// <reference path="./utility.d.ts" />
+/// <reference path="./validation.d.ts" />
+/// <reference path="./inferschematype.d.ts" />
+/// <reference path="./virtuals.d.ts" />
+
+declare class NativeDate extends global.Date { }
+
+declare module 'mongoose' {
+  import events = require('events');
+  import mongodb = require('mongodb');
+  import mongoose = require('mongoose');
+
+  export type Mongoose = typeof mongoose;
+
+  /**
+   * Mongoose constructor. The exports object of the `mongoose` module is an instance of this
+   * class. Most apps will only use this one instance.
+   */
+  export const Mongoose: new (options?: MongooseOptions | null) => Mongoose;
+
+  export let Promise: any;
+  export const PromiseProvider: any;
+
+  /**
+   * Can be extended to explicitly type specific models.
+   */
+  export interface Models {
+    [modelName: string]: Model<any>
+  }
+
+  /** An array containing all models associated with this Mongoose instance. */
+  export const models: Models;
+
+  /**
+   * Removes the model named `name` from the default connection, if it exists.
+   * You can use this function to clean up any models you created in your tests to
+   * prevent OverwriteModelErrors.
+   */
+  export function deleteModel(name: string | RegExp): Mongoose;
+
+  /** Gets mongoose options */
+  export function get<K extends keyof MongooseOptions>(key: K): MongooseOptions[K];
+
+  /* ! ignore */
+  export type CompileModelOptions = {
+    overwriteModels?: boolean,
+    connection?: Connection
+  };
+
+  export function model<TSchema extends Schema = any>(
+    name: string,
+    schema?: TSchema,
+    collection?: string,
+    options?: CompileModelOptions
+  ): Model<InferSchemaType<TSchema>, ObtainSchemaGeneric<TSchema, 'TQueryHelpers'>, ObtainSchemaGeneric<TSchema, 'TInstanceMethods'>, {}, TSchema> & ObtainSchemaGeneric<TSchema, 'TStaticMethods'>;
+
+  export function model<T>(name: string, schema?: Schema<T, any, any> | Schema<T & Document, any, any>, collection?: string, options?: CompileModelOptions): Model<T>;
+
+  export function model<T, U, TQueryHelpers = {}>(
+    name: string,
+    schema?: Schema<T, any, any, TQueryHelpers, any, any>,
+    collection?: string,
+    options?: CompileModelOptions
+  ): U;
+
+  /** Returns an array of model names created on this instance of Mongoose. */
+  export function modelNames(): Array<string>;
+
+  /**
+   * Overwrites the current driver used by this Mongoose instance. A driver is a
+   * Mongoose-specific interface that defines functions like `find()`.
+   */
+  export function setDriver(driver: any): Mongoose;
+
+  /** The node-mongodb-native driver Mongoose uses. */
+  export const mongo: typeof mongodb;
+
+  /** Declares a global plugin executed on all Schemas. */
+  export function plugin(fn: (schema: Schema, opts?: any) => void, opts?: any): Mongoose;
+
+  /** Getter/setter around function for pluralizing collection names. */
+  export function pluralize(fn?: ((str: string) => string) | null): ((str: string) => string) | null;
+
+  /** Sets mongoose options */
+  export function set<K extends keyof MongooseOptions>(key: K, value: MongooseOptions[K]): Mongoose;
+
+  /** The Mongoose version */
+  export const version: string;
+
+  export type AnyKeys<T> = { [P in keyof T]?: T[P] | any };
+  export interface AnyObject {
+    [k: string]: any
+  }
+
+  export type Require_id<T> = T extends { _id?: infer U }
+    ? IfAny<U, T & { _id: Types.ObjectId }, T & Required<{ _id: U }>>
+    : T & { _id: Types.ObjectId };
+
+  export type HydratedDocument<DocType, TMethodsAndOverrides = {}, TVirtuals = {}> = DocType extends Document ? Require_id<DocType> : (Document<unknown, any, DocType> & Require_id<DocType> & TVirtuals & TMethodsAndOverrides);
+
+  export interface TagSet {
+    [k: string]: string;
+  }
+
+  export interface ToObjectOptions {
+    /** apply all getters (path and virtual getters) */
+    getters?: boolean;
+    /** apply virtual getters (can override getters option) */
+    virtuals?: boolean | string[];
+    /** if `options.virtuals = true`, you can set `options.aliases = false` to skip applying aliases. This option is a no-op if `options.virtuals = false`. */
+    aliases?: boolean;
+    /** remove empty objects (defaults to true) */
+    minimize?: boolean;
+    /** if set, mongoose will call this function to allow you to transform the returned object */
+    transform?: boolean | ((doc: any, ret: any, options: any) => any);
+    /** if true, replace any conventionally populated paths with the original id in the output. Has no affect on virtual populated paths. */
+    depopulate?: boolean;
+    /** if false, exclude the version key (`__v` by default) from the output */
+    versionKey?: boolean;
+    /** if true, convert Maps to POJOs. Useful if you want to `JSON.stringify()` the result of `toObject()`. */
+    flattenMaps?: boolean;
+    /** If true, omits fields that are excluded in this document's projection. Unless you specified a projection, this will omit any field that has `select: false` in the schema. */
+    useProjection?: boolean;
+  }
+
+  export type DiscriminatorModel<M, T> = T extends Model<infer T1, infer T2, infer T3, infer T4>
+    ?
+    M extends Model<infer M1, infer M2, infer M3, infer M4>
+      ? Model<Omit<M1, keyof T1> & T1, M2 | T2, M3 | T3, M4 | T4>
+      : M
+    : M;
+
+  export type DiscriminatorSchema<DocType, M, TInstanceMethods, TQueryHelpers, TVirtuals, T> = T extends Schema<infer T1, infer T2, infer T3, infer T4, infer T5>
+    ? Schema<Omit<DocType, keyof T1> & T1, DiscriminatorModel<T2, M>, T3 | TInstanceMethods, T4 | TQueryHelpers, T5 | TVirtuals>
+    : Schema<DocType, M, TInstanceMethods, TQueryHelpers, TVirtuals>;
+
+  type QueryResultType<T> = T extends Query<infer ResultType, any> ? ResultType : never;
+
+  type PluginFunction<
+    DocType,
+    M = Model<DocType, any, any, any>,
+    TInstanceMethods = {},
+    TQueryHelpers = {},
+    TVirtuals = {},
+    TStaticMethods = {}> = (schema: Schema<DocType, M, TInstanceMethods, TQueryHelpers, TVirtuals, TStaticMethods>, opts?: any) => void;
+
+  export class Schema<
+    EnforcedDocType = any,
+    M = Model<EnforcedDocType, any, any, any>,
+    TInstanceMethods = {},
+    TQueryHelpers = {},
+    TVirtuals = {},
+    TStaticMethods = {},
+    TPathTypeKey extends TypeKeyBaseType = DefaultTypeKey,
+    DocType extends ObtainDocumentType<DocType, EnforcedDocType, TPathTypeKey> = ObtainDocumentType<any, EnforcedDocType, TPathTypeKey>>
+    extends events.EventEmitter {
+    /**
+     * Create a new schema
+     */
+    constructor(definition?: SchemaDefinition<SchemaDefinitionType<EnforcedDocType>> | DocType, options?: SchemaOptions<TPathTypeKey, FlatRecord<DocType>, TInstanceMethods, TQueryHelpers, TStaticMethods, TVirtuals>);
+
+    /** Adds key path / schema type pairs to this schema. */
+    add(obj: SchemaDefinition<SchemaDefinitionType<EnforcedDocType>> | Schema, prefix?: string): this;
+
+    /**
+     * Array of child schemas (from document arrays and single nested subdocs)
+     * and their corresponding compiled models. Each element of the array is
+     * an object with 2 properties: `schema` and `model`.
+     */
+    childSchemas: { schema: Schema, model: any }[];
+
+    /** Removes all indexes on this schema */
+    clearIndexes(): this;
+
+    /** Returns a copy of this schema */
+    clone<T = this>(): T;
+
+    discriminator<T = Schema>(name: string, schema: T): DiscriminatorSchema<DocType, M, TInstanceMethods, TQueryHelpers, TVirtuals, T>;
+
+    /** Returns a new schema that has the picked `paths` from this schema. */
+    pick<T = this>(paths: string[], options?: SchemaOptions): T;
+
+    /** Object containing discriminators defined on this schema */
+    discriminators?: { [name: string]: Schema };
+
+    /** Iterates the schemas paths similar to Array#forEach. */
+    eachPath(fn: (path: string, type: SchemaType) => void): this;
+
+    /** Defines an index (most likely compound) for this schema. */
+    index(fields: IndexDefinition, options?: IndexOptions): this;
+
+    /**
+     * Returns a list of indexes that this schema declares, via `schema.index()`
+     * or by `index: true` in a path's options.
+     */
+    indexes(): Array<IndexDefinition>;
+
+    /** Gets a schema option. */
+    get<K extends keyof SchemaOptions>(key: K): SchemaOptions[K];
+
+    /**
+     * Loads an ES6 class into a schema. Maps [setters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/set) + [getters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/get), [static methods](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/static),
+     * and [instance methods](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes#Class_body_and_method_definitions)
+     * to schema [virtuals](http://mongoosejs.com/docs/guide.html#virtuals),
+     * [statics](http://mongoosejs.com/docs/guide.html#statics), and
+     * [methods](http://mongoosejs.com/docs/guide.html#methods).
+     */
+    loadClass(model: Function, onlyVirtuals?: boolean): this;
+
+    /** Adds an instance method to documents constructed from Models compiled from this schema. */
+    method<Context = any>(name: string, fn: (this: Context, ...args: any[]) => any, opts?: any): this;
+    method(obj: Partial<TInstanceMethods>): this;
+
+    /** Object of currently defined methods on this schema. */
+    methods: { [F in keyof TInstanceMethods]: TInstanceMethods[F] } & AnyObject;
+
+    /** The original object passed to the schema constructor */
+    obj: SchemaDefinition<SchemaDefinitionType<EnforcedDocType>>;
+
+    /** Gets/sets schema paths. */
+    path<pathGeneric extends keyof EnforcedDocType>(path: pathGeneric): SchemaType<EnforcedDocType[pathGeneric]>;
+    path<ResultType extends SchemaType = SchemaType>(path: string): ResultType;
+    path(path: string, constructor: any): this;
+
+    /** Lists all paths and their type in the schema. */
+    paths: {
+      [key: string]: SchemaType;
+    };
+
+    /** Returns the pathType of `path` for this schema. */
+    pathType(path: string): string;
+
+    /** Registers a plugin for this schema. */
+    plugin<PFunc extends PluginFunction<DocType, M, TInstanceMethods, TQueryHelpers, TVirtuals, TStaticMethods>, POptions extends Parameters<PFunc>[1] = Parameters<PFunc>[1]>(fn: PFunc, opts?: POptions): this;
+
+    /** Defines a post hook for the model. */
+    post<T = HydratedDocument<DocType, TInstanceMethods>>(method: MongooseDocumentMiddleware | MongooseDocumentMiddleware[] | RegExp, fn: PostMiddlewareFunction<T, T>): this;
+    post<T = HydratedDocument<DocType, TInstanceMethods>>(method: MongooseDocumentMiddleware | MongooseDocumentMiddleware[] | RegExp, options: SchemaPostOptions, fn: PostMiddlewareFunction<T, T>): this;
+    post<T = Query<any, any>>(method: MongooseQueryMiddleware | MongooseQueryMiddleware[] | RegExp, fn: PostMiddlewareFunction<T, QueryResultType<T>>): this;
+    post<T = Query<any, any>>(method: MongooseQueryMiddleware | MongooseQueryMiddleware[] | RegExp, options: SchemaPostOptions, fn: PostMiddlewareFunction<T, QueryResultType<T>>): this;
+    post<T extends Aggregate<any>>(method: 'aggregate' | RegExp, fn: PostMiddlewareFunction<T, Array<AggregateExtract<T>>>): this;
+    post<T extends Aggregate<any>>(method: 'aggregate' | RegExp, options: SchemaPostOptions, fn: PostMiddlewareFunction<T, Array<AggregateExtract<T>>>): this;
+    post<T = M>(method: 'insertMany' | RegExp, fn: PostMiddlewareFunction<T, T>): this;
+    post<T = M>(method: 'insertMany' | RegExp, options: SchemaPostOptions, fn: PostMiddlewareFunction<T, T>): this;
+
+    post<T = HydratedDocument<DocType, TInstanceMethods>>(method: MongooseDocumentMiddleware | MongooseDocumentMiddleware[] | RegExp, fn: ErrorHandlingMiddlewareFunction<T>): this;
+    post<T = HydratedDocument<DocType, TInstanceMethods>>(method: MongooseDocumentMiddleware | MongooseDocumentMiddleware[] | RegExp, options: SchemaPostOptions, fn: ErrorHandlingMiddlewareFunction<T>): this;
+    post<T = Query<any, any>>(method: MongooseQueryMiddleware | MongooseQueryMiddleware[] | RegExp, fn: ErrorHandlingMiddlewareFunction<T>): this;
+    post<T = Query<any, any>>(method: MongooseQueryMiddleware | MongooseQueryMiddleware[] | RegExp, options: SchemaPostOptions, fn: ErrorHandlingMiddlewareFunction<T>): this;
+    post<T extends Aggregate<any>>(method: 'aggregate' | RegExp, fn: ErrorHandlingMiddlewareFunction<T, Array<any>>): this;
+    post<T extends Aggregate<any>>(method: 'aggregate' | RegExp, options: SchemaPostOptions, fn: ErrorHandlingMiddlewareFunction<T, Array<any>>): this;
+    post<T = M>(method: 'insertMany' | RegExp, fn: ErrorHandlingMiddlewareFunction<T>): this;
+    post<T = M>(method: 'insertMany' | RegExp, options: SchemaPostOptions, fn: ErrorHandlingMiddlewareFunction<T>): this;
+
+    /** Defines a pre hook for the model. */
+    pre<T = HydratedDocument<DocType, TInstanceMethods>>(method: 'save', fn: PreSaveMiddlewareFunction<T>): this;
+    pre<T = HydratedDocument<DocType, TInstanceMethods>>(method: 'save', options: SchemaPreOptions, fn: PreSaveMiddlewareFunction<T>): this;
+    pre<T = HydratedDocument<DocType, TInstanceMethods>>(method: MongooseDocumentMiddleware | MongooseDocumentMiddleware[] | RegExp, fn: PreMiddlewareFunction<T>): this;
+    pre<T = HydratedDocument<DocType, TInstanceMethods>>(method: MongooseDocumentMiddleware | MongooseDocumentMiddleware[] | RegExp, options: SchemaPreOptions, fn: PreMiddlewareFunction<T>): this;
+    pre<T = Query<any, any>>(method: MongooseQueryMiddleware | MongooseQueryMiddleware[] | RegExp, fn: PreMiddlewareFunction<T>): this;
+    pre<T = Query<any, any>>(method: MongooseQueryMiddleware | MongooseQueryMiddleware[] | RegExp, options: SchemaPreOptions, fn: PreMiddlewareFunction<T>): this;
+    pre<T extends Aggregate<any>>(method: 'aggregate' | RegExp, fn: PreMiddlewareFunction<T>): this;
+    pre<T extends Aggregate<any>>(method: 'aggregate' | RegExp, options: SchemaPreOptions, fn: PreMiddlewareFunction<T>): this;
+    pre<T = M>(method: 'insertMany' | RegExp, fn: (this: T, next: (err?: CallbackError) => void, docs: any | Array<any>) => void | Promise<void>): this;
+    pre<T = M>(method: 'insertMany' | RegExp, options: SchemaPreOptions, fn: (this: T, next: (err?: CallbackError) => void, docs: any | Array<any>) => void | Promise<void>): this;
+
+    /** Object of currently defined query helpers on this schema. */
+    query: TQueryHelpers;
+
+    /** Adds a method call to the queue. */
+    queue(name: string, args: any[]): this;
+
+    /** Removes the given `path` (or [`paths`]). */
+    remove(paths: string | Array<string>): this;
+
+    /** Removes index by name or index spec */
+    remove(index: string | AnyObject): this;
+
+    /** Returns an Array of path strings that are required by this schema. */
+    requiredPaths(invalidate?: boolean): string[];
+
+    /** Sets a schema option. */
+    set<K extends keyof SchemaOptions>(key: K, value: SchemaOptions[K], _tags?: any): this;
+
+    /** Adds static "class" methods to Models compiled from this schema. */
+    static<K extends keyof TStaticMethods>(name: K, fn: TStaticMethods[K]): this;
+    static(obj: { [F in keyof TStaticMethods]: TStaticMethods[F] } & { [name: string]: (this: M, ...args: any[]) => any }): this;
+    static(name: string, fn: (this: M, ...args: any[]) => any): this;
+
+    /** Object of currently defined statics on this schema. */
+    statics: { [F in keyof TStaticMethods]: TStaticMethods[F] } & { [name: string]: (this: M, ...args: any[]) => any };
+
+    /** Creates a virtual type with the given name. */
+    virtual<T = HydratedDocument<DocType, TInstanceMethods>>(
+      name: keyof TVirtuals | string,
+      options?: VirtualTypeOptions<T, DocType>
+    ): VirtualType<T>;
+
+    /** Object of currently defined virtuals on this schema */
+    virtuals: TVirtuals;
+
+    /** Returns the virtual type with the given `name`. */
+    virtualpath<T = HydratedDocument<DocType, TInstanceMethods>>(name: string): VirtualType<T> | null;
+  }
+
+  export type NumberSchemaDefinition = typeof Number | 'number' | 'Number' | typeof Schema.Types.Number;
+  export type StringSchemaDefinition = typeof String | 'string' | 'String' | typeof Schema.Types.String;
+  export type BooleanSchemaDefinition = typeof Boolean | 'boolean' | 'Boolean' | typeof Schema.Types.Boolean;
+  export type DateSchemaDefinition = typeof NativeDate | 'date' | 'Date' | typeof Schema.Types.Date;
+  export type ObjectIdSchemaDefinition = 'ObjectId' | 'ObjectID' | typeof Schema.Types.ObjectId;
+
+  export type SchemaDefinitionWithBuiltInClass<T> = T extends number
+    ? NumberSchemaDefinition
+    : T extends string
+      ? StringSchemaDefinition
+      : T extends boolean
+        ? BooleanSchemaDefinition
+        : T extends NativeDate
+          ? DateSchemaDefinition
+          : (Function | string);
+
+  export type SchemaDefinitionProperty<T = undefined> = SchemaDefinitionWithBuiltInClass<T> |
+  SchemaTypeOptions<T extends undefined ? any : T> |
+    typeof SchemaType |
+  Schema<any, any, any> |
+  Schema<any, any, any>[] |
+  SchemaTypeOptions<T extends undefined ? any : Unpacked<T>>[] |
+  Function[] |
+  SchemaDefinition<T> |
+  SchemaDefinition<Unpacked<T>>[] |
+    typeof Schema.Types.Mixed |
+  MixedSchemaTypeOptions;
+
+  export type SchemaDefinition<T = undefined> = T extends undefined
+    ? { [path: string]: SchemaDefinitionProperty; }
+    : { [path in keyof T]?: SchemaDefinitionProperty<T[path]>; };
+
+  export type AnyArray<T> = T[] | ReadonlyArray<T>;
+  export type ExtractMongooseArray<T> = T extends Types.Array<any> ? AnyArray<Unpacked<T>> : T;
+
+  export interface MixedSchemaTypeOptions extends SchemaTypeOptions<Schema.Types.Mixed> {
+    type: typeof Schema.Types.Mixed;
+  }
+
+  export type RefType =
+    | number
+    | string
+    | Buffer
+    | undefined
+    | Types.ObjectId
+    | Types.Buffer
+    | typeof Schema.Types.Number
+    | typeof Schema.Types.String
+    | typeof Schema.Types.Buffer
+    | typeof Schema.Types.ObjectId;
+
+
+  export type InferId<T> = T extends { _id?: any } ? T['_id'] : Types.ObjectId;
+
+  export interface VirtualTypeOptions<HydratedDocType = Document, DocType = unknown> {
+    /** If `ref` is not nullish, this becomes a populated virtual. */
+    ref?: string | Function;
+
+    /**  The local field to populate on if this is a populated virtual. */
+    localField?: string | ((this: HydratedDocType, doc: HydratedDocType) => string);
+
+    /** The foreign field to populate on if this is a populated virtual. */
+    foreignField?: string | ((this: HydratedDocType, doc: HydratedDocType) => string);
+
+    /**
+     * By default, a populated virtual is an array. If you set `justOne`,
+     * the populated virtual will be a single doc or `null`.
+     */
+    justOne?: boolean;
+
+    /** If you set this to `true`, Mongoose will call any custom getters you defined on this virtual. */
+    getters?: boolean;
+
+    /**
+     * If you set this to `true`, `populate()` will set this virtual to the number of populated
+     * documents, as opposed to the documents themselves, using `Query#countDocuments()`.
+     */
+    count?: boolean;
+
+    /** Add an extra match condition to `populate()`. */
+    match?: FilterQuery<any> | Function;
+
+    /** Add a default `limit` to the `populate()` query. */
+    limit?: number;
+
+    /** Add a default `skip` to the `populate()` query. */
+    skip?: number;
+
+    /**
+     * For legacy reasons, `limit` with `populate()` may give incorrect results because it only
+     * executes a single query for every document being populated. If you set `perDocumentLimit`,
+     * Mongoose will ensure correct `limit` per document by executing a separate query for each
+     * document to `populate()`. For example, `.find().populate({ path: 'test', perDocumentLimit: 2 })`
+     * will execute 2 additional queries if `.find()` returns 2 documents.
+     */
+    perDocumentLimit?: number;
+
+    /** Additional options like `limit` and `lean`. */
+    options?: QueryOptions<DocType> & { match?: AnyObject };
+
+    /** Additional options for plugins */
+    [extra: string]: any;
+  }
+
+  export class VirtualType<HydratedDocType> {
+    /** Applies getters to `value`. */
+    applyGetters(value: any, doc: Document): any;
+
+    /** Applies setters to `value`. */
+    applySetters(value: any, doc: Document): any;
+
+    /** Adds a custom getter to this virtual. */
+    get<T = HydratedDocType>(fn: (this: T, value: any, virtualType: VirtualType<T>, doc: T) => any): this;
+
+    /** Adds a custom setter to this virtual. */
+    set<T = HydratedDocType>(fn: (this: T, value: any, virtualType: VirtualType<T>, doc: T) => void): this;
+  }
+
+  export type ReturnsNewDoc = { new: true } | { returnOriginal: false } | { returnDocument: 'after' };
+
+  export type ProjectionElementType = number | string;
+  export type ProjectionType<T> = { [P in keyof T]?: ProjectionElementType } | AnyObject | string;
+
+  export type SortValues = SortOrder;
+
+  export type SortOrder = -1 | 1 | 'asc' | 'ascending' | 'desc' | 'descending';
+
+  type _UpdateQuery<TSchema> = {
+    /** @see https://docs.mongodb.com/manual/reference/operator/update-field/ */
+    $currentDate?: AnyKeys<TSchema> & AnyObject;
+    $inc?: AnyKeys<TSchema> & AnyObject;
+    $min?: AnyKeys<TSchema> & AnyObject;
+    $max?: AnyKeys<TSchema> & AnyObject;
+    $mul?: AnyKeys<TSchema> & AnyObject;
+    $rename?: Record<string, string>;
+    $set?: AnyKeys<TSchema> & AnyObject;
+    $setOnInsert?: AnyKeys<TSchema> & AnyObject;
+    $unset?: AnyKeys<TSchema> & AnyObject;
+
+    /** @see https://docs.mongodb.com/manual/reference/operator/update-array/ */
+    $addToSet?: AnyKeys<TSchema> & AnyObject;
+    $pop?: AnyKeys<TSchema> & AnyObject;
+    $pull?: AnyKeys<TSchema> & AnyObject;
+    $push?: AnyKeys<TSchema> & AnyObject;
+    $pullAll?: AnyKeys<TSchema> & AnyObject;
+
+    /** @see https://docs.mongodb.com/manual/reference/operator/update-bitwise/ */
+    $bit?: Record<string, mongodb.NumericType>;
+  };
+
+  export type UpdateWithAggregationPipeline = UpdateAggregationStage[];
+  export type UpdateAggregationStage = { $addFields: any } |
+  { $set: any } |
+  { $project: any } |
+  { $unset: any } |
+  { $replaceRoot: any } |
+  { $replaceWith: any };
+
+  /**
+   * Update query command to perform on the document
+   * @example
+   * ```js
+   * { age: 30 }
+   * ```
+   */
+  export type UpdateQuery<T> = _UpdateQuery<T> & AnyObject;
+
+  export type DocumentDefinition<T> = {
+    [K in keyof Omit<T, Exclude<keyof Document, '_id' | 'id' | '__v'>>]:
+    [Extract<T[K], mongodb.ObjectId>] extends [never]
+      ? T[K] extends TreatAsPrimitives
+        ? T[K]
+        : LeanDocumentElement<T[K]>
+      : T[K] | string;
+  };
+
+  export type FlattenMaps<T> = {
+    [K in keyof T]: T[K] extends Map<any, any>
+      ? AnyObject : T[K] extends TreatAsPrimitives
+        ? T[K] : FlattenMaps<T[K]>;
+  };
+
+  export type actualPrimitives = string | boolean | number | bigint | symbol | null | undefined;
+  export type TreatAsPrimitives = actualPrimitives | NativeDate | RegExp | symbol | Error | BigInt | Types.ObjectId;
+
+  export type LeanType<T> =
+    0 extends (1 & T) ? T : // any
+      T extends TreatAsPrimitives ? T : // primitives
+        T extends Types.Subdocument ? Omit<LeanDocument<T>, '$isSingleNested' | 'ownerDocument' | 'parent'> :
+          LeanDocument<T>; // Documents and everything else
+
+  export type LeanArray<T extends unknown[]> = T extends unknown[][] ? LeanArray<T[number]>[] : LeanType<T[number]>[];
+
+  export type _LeanDocument<T> = {
+    [K in keyof T]: LeanDocumentElement<T[K]>;
+  };
+
+  // Keep this a separate type, to ensure that T is a naked type.
+  // This way, the conditional type is distributive over union types.
+  // This is required for PopulatedDoc.
+  export type LeanDocumentElement<T> =
+    T extends unknown[] ? LeanArray<T> : // Array
+      T extends Document ? LeanDocument<T> : // Subdocument
+        T;
+
+  export type SchemaDefinitionType<T> = T extends Document ? Omit<T, Exclude<keyof Document, '_id' | 'id' | '__v'>> : T;
+
+  // Helpers to simplify checks
+  type IfAny<IFTYPE, THENTYPE, ELSETYPE = IFTYPE> = 0 extends (1 & IFTYPE) ? THENTYPE : ELSETYPE;
+  type IfUnknown<IFTYPE, THENTYPE> = unknown extends IFTYPE ? THENTYPE : IFTYPE;
+
+  // tests for these two types are located in test/types/lean.test.ts
+  export type DocTypeFromUnion<T> = T extends (Document<infer T1, infer T2, infer T3> & infer U) ?
+    [U] extends [Document<T1, T2, T3> & infer U] ? IfUnknown<IfAny<U, false>, false> : false : false;
+
+  export type DocTypeFromGeneric<T> = T extends Document<infer IdType, infer TQueryHelpers, infer DocType> ?
+    IfUnknown<IfAny<DocType, false>, false> : false;
+
+  /**
+   * Helper to choose the best option between two type helpers
+   */
+  export type _pickObject<T1, T2, Fallback> = T1 extends false ? T2 extends false ? Fallback : T2 : T1;
+
+  /**
+   * There may be a better way to do this, but the goal is to return the DocType if it can be infered
+   * and if not to return a type which is easily identified as "not valid" so we fall back to
+   * "strip out known things added by extending Document"
+   * There are three basic ways to mix in Document -- "Document & T", "Document<ObjId, mixins, T>",
+   * and "T extends Document". In the last case there is no type without Document mixins, so we can only
+   * strip things out. In the other two cases we can infer the type, so we should
+   */
+  export type BaseDocumentType<T> = _pickObject<DocTypeFromUnion<T>, DocTypeFromGeneric<T>, false>;
+
+  /**
+   * Documents returned from queries with the lean option enabled.
+   * Plain old JavaScript object documents (POJO).
+   * @see https://mongoosejs.com/docs/tutorials/lean.html
+   */
+  export type LeanDocument<T> = Omit<_LeanDocument<T>, Exclude<keyof Document, '_id' | 'id' | '__v'> | '$isSingleNested'>;
+
+  export type LeanDocumentOrArray<T> = 0 extends (1 & T) ? T :
+    T extends unknown[] ? LeanDocument<T[number]>[] :
+      T extends Document ? LeanDocument<T> :
+        T;
+
+  export type LeanDocumentOrArrayWithRawType<T, RawDocType> = 0 extends (1 & T) ? T :
+    T extends unknown[] ? LeanDocument<RawDocType>[] :
+      T extends Document ? LeanDocument<RawDocType> :
+        T;
+
+  /* for ts-mongoose */
+  export class mquery { }
+
+  export default mongoose;
+}
diff --git a/node_modules/mongoose/types/indexes.d.ts b/node_modules/mongoose/types/indexes.d.ts
new file mode 100644
index 000000000..4a3adf02a
--- /dev/null
+++ b/node_modules/mongoose/types/indexes.d.ts
@@ -0,0 +1,98 @@
+declare module 'mongoose' {
+  import mongodb = require('mongodb');
+
+  /**
+   * Makes the indexes in MongoDB match the indexes defined in every model's
+   * schema. This function will drop any indexes that are not defined in
+   * the model's schema except the `_id` index, and build any indexes that
+   * are in your schema but not in MongoDB.
+   */
+  function syncIndexes(options?: SyncIndexesOptions): Promise<ConnectionSyncIndexesResult>;
+  function syncIndexes(options: SyncIndexesOptions | null, callback: Callback<ConnectionSyncIndexesResult>): void;
+
+  interface IndexManager {
+    /**
+     * Similar to `ensureIndexes()`, except for it uses the [`createIndex`](https://mongodb.github.io/node-mongodb-native/4.9/classes/Collection.html#createIndex)
+     * function.
+     */
+    createIndexes(options: mongodb.CreateIndexesOptions, callback: CallbackWithoutResult): void;
+    createIndexes(callback: CallbackWithoutResult): void;
+    createIndexes(options?: mongodb.CreateIndexesOptions): Promise<void>;
+
+    /**
+     * Does a dry-run of Model.syncIndexes(), meaning that
+     * the result of this function would be the result of
+     * Model.syncIndexes().
+     */
+    diffIndexes(options: Record<string, unknown> | null, callback: Callback<IndexesDiff>): void
+    diffIndexes(callback: Callback<IndexesDiff>): void
+    diffIndexes(options?: Record<string, unknown>): Promise<IndexesDiff>
+
+    /**
+     * Sends `createIndex` commands to mongo for each index declared in the schema.
+     * The `createIndex` commands are sent in series.
+     */
+    ensureIndexes(options: mongodb.CreateIndexesOptions, callback: CallbackWithoutResult): void;
+    ensureIndexes(callback: CallbackWithoutResult): void;
+    ensureIndexes(options?: mongodb.CreateIndexesOptions): Promise<void>;
+
+    /**
+     * Lists the indexes currently defined in MongoDB. This may or may not be
+     * the same as the indexes defined in your schema depending on whether you
+     * use the [`autoIndex` option](/docs/guide.html#autoIndex) and if you
+     * build indexes manually.
+     */
+    listIndexes(callback: Callback<Array<any>>): void;
+    listIndexes(): Promise<Array<any>>;
+
+    /**
+     * Makes the indexes in MongoDB match the indexes defined in this model's
+     * schema. This function will drop any indexes that are not defined in
+     * the model's schema except the `_id` index, and build any indexes that
+     * are in your schema but not in MongoDB.
+     */
+    syncIndexes(options: SyncIndexesOptions | null, callback: Callback<Array<string>>): void;
+    syncIndexes(options?: SyncIndexesOptions): Promise<Array<string>>;
+  }
+
+  interface IndexesDiff {
+    /** Indexes that would be created in mongodb. */
+    toCreate: Array<any>
+    /** Indexes that would be dropped in mongodb. */
+    toDrop: Array<any>
+  }
+
+  type IndexDirection = 1 | -1 | '2d' | '2dsphere' | 'geoHaystack' | 'hashed' | 'text' | 'ascending' | 'asc' | 'descending' | 'desc';
+  type IndexDefinition = Record<string, IndexDirection>;
+
+  interface SyncIndexesOptions extends mongodb.CreateIndexesOptions {
+    continueOnError?: boolean
+  }
+  type ConnectionSyncIndexesResult = Record<string, OneCollectionSyncIndexesResult>;
+  type OneCollectionSyncIndexesResult = Array<string> & mongodb.MongoServerError;
+
+  interface IndexOptions extends mongodb.CreateIndexesOptions {
+    /**
+     * `expires` utilizes the `ms` module from [guille](https://github.com/guille/) allowing us to use a friendlier syntax:
+     *
+     * @example
+     * ```js
+     * const schema = new Schema({ prop1: Date });
+     *
+     * // expire in 24 hours
+     * schema.index({ prop1: 1 }, { expires: 60*60*24 })
+     *
+     * // expire in 24 hours
+     * schema.index({ prop1: 1 }, { expires: '24h' })
+     *
+     * // expire in 1.5 hours
+     * schema.index({ prop1: 1 }, { expires: '1.5h' })
+     *
+     * // expire in 7 days
+     * schema.index({ prop1: 1 }, { expires: '7d' })
+     * ```
+     */
+    expires?: number | string;
+    weights?: Record<string, number>;
+  }
+}
diff --git a/node_modules/mongoose/types/inferschematype.d.ts b/node_modules/mongoose/types/inferschematype.d.ts
new file mode 100644
index 000000000..5041f8304
--- /dev/null
+++ b/node_modules/mongoose/types/inferschematype.d.ts
@@ -0,0 +1,172 @@
+import {
+  Schema,
+  InferSchemaType,
+  SchemaType,
+  SchemaTypeOptions,
+  TypeKeyBaseType,
+  Types,
+  NumberSchemaDefinition,
+  StringSchemaDefinition,
+  BooleanSchemaDefinition,
+  DateSchemaDefinition,
+  ObtainDocumentType,
+  DefaultTypeKey,
+  ObjectIdSchemaDefinition,
+  IfEquals
+} from 'mongoose';
+
+declare module 'mongoose' {
+  /**
+   * @summary Obtains document schema type.
+   * @description Obtains document schema type from document Definition OR returns enforced schema type if it's provided.
+   * @param {DocDefinition} DocDefinition A generic equals to the type of document definition "provided in as first parameter in Schema constructor".
+   * @param {EnforcedDocType} EnforcedDocType A generic type enforced by user "provided before schema constructor".
+   * @param {TypeKey} TypeKey A generic of literal string type."Refers to the property used for path type definition".
+   */
+   type ObtainDocumentType<DocDefinition, EnforcedDocType = any, TypeKey extends TypeKeyBaseType = DefaultTypeKey> =
+   IsItRecordAndNotAny<EnforcedDocType> extends true ? EnforcedDocType : {
+     [K in keyof (RequiredPaths<DocDefinition, TypeKey> &
+     OptionalPaths<DocDefinition, TypeKey>)]: ObtainDocumentPathType<DocDefinition[K], TypeKey>;
+   };
+
+  /**
+   * @summary Obtains document schema type from Schema instance.
+   * @param {SchemaType} SchemaType A generic of schema type instance.
+   * @example
+   * const userSchema = new Schema({userName:String});
+   * type UserType = InferSchemaType<typeof userSchema>;
+   * // result
+   * type UserType = {userName?: string}
+   */
+  type InferSchemaType<SchemaType> = ObtainSchemaGeneric<SchemaType, 'DocType'>;
+
+  /**
+   * @summary Obtains schema Generic type by using generic alias.
+   * @param {TSchema} TSchema A generic of schema type instance.
+   * @param {alias} alias Targeted generic alias.
+   */
+  type ObtainSchemaGeneric<TSchema, alias extends 'EnforcedDocType' | 'M' | 'TInstanceMethods' | 'TQueryHelpers' | 'TVirtuals' | 'TStaticMethods' | 'TPathTypeKey' | 'DocType'> =
+    TSchema extends Schema<infer EnforcedDocType, infer M, infer TInstanceMethods, infer TQueryHelpers, infer TVirtuals, infer TStaticMethods, infer TPathTypeKey, infer DocType>
+      ? {
+        EnforcedDocType: EnforcedDocType;
+        M: M;
+        TInstanceMethods: TInstanceMethods;
+        TQueryHelpers: TQueryHelpers;
+        TVirtuals: TVirtuals;
+        TStaticMethods: TStaticMethods;
+        TPathTypeKey: TPathTypeKey;
+        DocType: DocType;
+      }[alias]
+      : unknown;
+}
+
+/**
+ * @summary Checks if a document path is required or optional.
+ * @param {P} P Document path.
+ * @param {TypeKey} TypeKey A generic of literal string type."Refers to the property used for path type definition".
+ */
+type IsPathRequired<P, TypeKey extends TypeKeyBaseType> =
+  P extends { required: true | [true, string | undefined] } | ArrayConstructor | any[]
+    ? true
+    : P extends (Record<TypeKey, ArrayConstructor | any[]>)
+      ? P extends { default: undefined }
+        ? false
+        : true
+      : P extends (Record<TypeKey, any>)
+        ? P extends { default: any }
+          ? IfEquals<P['default'], undefined, false, true>
+          : false
+        : false;
+
+/**
+ * @summary Path base type defined by using TypeKey
+ * @description It helps to check if a path is defined by TypeKey OR not.
+ * @param {TypeKey} TypeKey A literal string refers to path type property key.
+ */
+type PathWithTypePropertyBaseType<TypeKey extends TypeKeyBaseType> = { [k in TypeKey]: any };
+
+/**
+ * @summary A Utility to obtain schema's required path keys.
+ * @param {T} T A generic refers to document definition.
+ * @param {TypeKey} TypeKey A generic of literal string type."Refers to the property used for path type definition".
+ * @returns required paths keys of document definition.
+ */
+type RequiredPathKeys<T, TypeKey extends TypeKeyBaseType> = {
+  [K in keyof T]: IsPathRequired<T[K], TypeKey> extends true ? IfEquals<T[K], any, never, K> : never;
+}[keyof T];
+
+/**
+ * @summary A Utility to obtain schema's required paths.
+ * @param {T} T A generic refers to document definition.
+ * @param {TypeKey} TypeKey A generic of literal string type."Refers to the property used for path type definition".
+ * @returns a record contains required paths with the corresponding type.
+ */
+type RequiredPaths<T, TypeKey extends TypeKeyBaseType> = {
+  [K in RequiredPathKeys<T, TypeKey>]: T[K];
+};
+
+/**
+ * @summary A Utility to obtain schema's optional path keys.
+ * @param {T} T A generic refers to document definition.
+ * @param {TypeKey} TypeKey A generic of literal string type."Refers to the property used for path type definition".
+ * @returns optional paths keys of document definition.
+ */
+type OptionalPathKeys<T, TypeKey extends TypeKeyBaseType> = {
+  [K in keyof T]: IsPathRequired<T[K], TypeKey> extends true ? never : K;
+}[keyof T];
+
+/**
+ * @summary A Utility to obtain schema's optional paths.
+ * @param {T} T A generic refers to document definition.
+ * @param {TypeKey} TypeKey A generic of literal string type."Refers to the property used for path type definition".
+ * @returns a record contains optional paths with the corresponding type.
+ */
+type OptionalPaths<T, TypeKey extends TypeKeyBaseType> = {
+  [K in OptionalPathKeys<T, TypeKey>]?: T[K];
+};
+
+/**
+ * @summary Obtains schema Path type.
+ * @description Obtains Path type by calling {@link ResolvePathType} OR by calling {@link InferSchemaType} if path of schema type.
+ * @param {PathValueType} PathValueType Document definition path type.
+ * @param {TypeKey} TypeKey A generic refers to document definition.
+ */
+type ObtainDocumentPathType<PathValueType, TypeKey extends TypeKeyBaseType> = PathValueType extends Schema<any>
+  ? InferSchemaType<PathValueType>
+  : ResolvePathType<
+  PathValueType extends PathWithTypePropertyBaseType<TypeKey> ? PathValueType[TypeKey] : PathValueType,
+  PathValueType extends PathWithTypePropertyBaseType<TypeKey> ? Omit<PathValueType, TypeKey> : {},
+  TypeKey
+  >;
+
+/**
+ * @param {T} T A generic refers to string path enums.
+ * @returns Path enum values type as literal strings or string.
+ */
+type PathEnumOrString<T extends SchemaTypeOptions<string>['enum']> = T extends (infer E)[] ? E : T extends { values: any } ? PathEnumOrString<T['values']> : string;
+
+/**
+ * @summary Resolve path type by returning the corresponding type.
+ * @param {PathValueType} PathValueType Document definition path type.
+ * @param {Options} Options Document definition path options except path type.
+ * @param {TypeKey} TypeKey A generic of literal string type."Refers to the property used for path type definition".
+ * @returns Number, "Number" or "number" will be resolved to number type.
+ */
+type ResolvePathType<PathValueType, Options extends SchemaTypeOptions<PathValueType> = {}, TypeKey extends TypeKeyBaseType = DefaultTypeKey> =
+  PathValueType extends Schema ? InferSchemaType<PathValueType> :
+    PathValueType extends (infer Item)[] ? IfEquals<Item, never, any[], Item extends Schema ? Types.DocumentArray<ResolvePathType<Item>> : ResolvePathType<Item>[]> :
+      PathValueType extends StringSchemaDefinition ? PathEnumOrString<Options['enum']> :
+        PathValueType extends NumberSchemaDefinition ? number :
+          PathValueType extends DateSchemaDefinition ? Date :
+            PathValueType extends typeof Buffer | 'buffer' | 'Buffer' | typeof Schema.Types.Buffer ? Buffer :
+              PathValueType extends BooleanSchemaDefinition ? boolean :
+                PathValueType extends ObjectIdSchemaDefinition ? Types.ObjectId :
+                  PathValueType extends 'decimal128' | 'Decimal128' | typeof Schema.Types.Decimal128 ? Types.Decimal128 :
+                    PathValueType extends MapConstructor ? Map<string, ResolvePathType<Options['of']>> :
+                      PathValueType extends ArrayConstructor ? any[] :
+                        PathValueType extends typeof Schema.Types.Mixed ? any:
+                          IfEquals<PathValueType, ObjectConstructor> extends true ? any:
+                            IfEquals<PathValueType, {}> extends true ? any:
+                              PathValueType extends typeof SchemaType ? PathValueType['prototype'] :
+                                PathValueType extends Record<string, any> ? ObtainDocumentType<PathValueType, any, TypeKey> :
+                                  unknown;
diff --git a/node_modules/mongoose/types/middlewares.d.ts b/node_modules/mongoose/types/middlewares.d.ts
new file mode 100644
index 000000000..0310ca0fa
--- /dev/null
+++ b/node_modules/mongoose/types/middlewares.d.ts
@@ -0,0 +1,14 @@
+declare module 'mongoose' {
+
+  type MongooseDocumentMiddleware = 'validate' | 'save' | 'remove' | 'updateOne' | 'deleteOne' | 'init';
+  type MongooseQueryMiddleware = 'count' | 'deleteMany' | 'deleteOne' | 'distinct' | 'find' | 'findOne' | 'findOneAndDelete' | 'findOneAndRemove' | 'findOneAndReplace' | 'findOneAndUpdate' | 'remove' | 'replaceOne' | 'update' | 'updateOne' | 'updateMany';
+
+  type MiddlewareOptions = { document?: boolean, query?: boolean };
+  type SchemaPreOptions = MiddlewareOptions;
+  type SchemaPostOptions = MiddlewareOptions;
+
+  type PreMiddlewareFunction<ThisType = any> = (this: ThisType, next: CallbackWithoutResultAndOptionalError) => void | Promise<void>;
+  type PreSaveMiddlewareFunction<ThisType = any> = (this: ThisType, next: CallbackWithoutResultAndOptionalError, opts: SaveOptions) => void | Promise<void>;
+  type PostMiddlewareFunction<ThisType = any, ResType = any> = (this: ThisType, res: ResType, next: CallbackWithoutResultAndOptionalError) => void | Promise<void>;
+  type ErrorHandlingMiddlewareFunction<ThisType = any, ResType = any> = (this: ThisType, err: NativeError, res: ResType, next: CallbackWithoutResultAndOptionalError) => void;
+}
diff --git a/node_modules/mongoose/types/models.d.ts b/node_modules/mongoose/types/models.d.ts
new file mode 100644
index 000000000..d2774b2c6
--- /dev/null
+++ b/node_modules/mongoose/types/models.d.ts
@@ -0,0 +1,442 @@
+declare module 'mongoose' {
+  import mongodb = require('mongodb');
+
+  export interface AcceptsDiscriminator {
+    /** Adds a discriminator type. */
+    discriminator<D>(name: string | number, schema: Schema, value?: string | number | ObjectId): Model<D>;
+    discriminator<T, U>(name: string | number, schema: Schema<T, U>, value?: string | number | ObjectId): U;
+  }
+
+  interface MongooseBulkWriteOptions {
+    skipValidation?: boolean;
+  }
+
+  interface InsertManyOptions extends
+    PopulateOption,
+    SessionOption {
+    limit?: number;
+    rawResult?: boolean;
+    ordered?: boolean;
+    lean?: boolean;
+  }
+
+  type InsertManyResult<T> = mongodb.InsertManyResult<T> & {
+    insertedIds: {
+      [key: number]: InferId<T>;
+    };
+    mongoose?: { validationErrors?: Array<Error.CastError | Error.ValidatorError> };
+  };
+
+  type UpdateWriteOpResult = mongodb.UpdateResult;
+
+  interface MapReduceOptions<T, K, R> {
+    map: Function | string;
+    reduce: (key: K, vals: T[]) => R;
+    /** query filter object. */
+    query?: any;
+    /** sort input objects using this key */
+    sort?: any;
+    /** max number of documents */
+    limit?: number;
+    /** keep temporary data default: false */
+    keeptemp?: boolean;
+    /** finalize function */
+    finalize?: (key: K, val: R) => R;
+    /** scope variables exposed to map/reduce/finalize during execution */
+    scope?: any;
+    /** it is possible to make the execution stay in JS. Provided in MongoDB > 2.0.X default: false */
+    jsMode?: boolean;
+    /** provide statistics on job execution time. default: false */
+    verbose?: boolean;
+    readPreference?: string;
+    /** sets the output target for the map reduce job. default: {inline: 1} */
+    out?: {
+      /** the results are returned in an array */
+      inline?: number;
+      /**
+       * {replace: 'collectionName'} add the results to collectionName: the
+       * results replace the collection
+       */
+      replace?: string;
+      /**
+       * {reduce: 'collectionName'} add the results to collectionName: if
+       * dups are detected, uses the reducer / finalize functions
+       */
+      reduce?: string;
+      /**
+       * {merge: 'collectionName'} add the results to collectionName: if
+       * dups exist the new docs overwrite the old
+       */
+      merge?: string;
+    };
+  }
+
+  interface GeoSearchOptions {
+    /** x,y point to search for */
+    near: number[];
+    /** the maximum distance from the point near that a result can be */
+    maxDistance: number;
+    /** The maximum number of results to return */
+    limit?: number;
+    /** return the raw object instead of the Mongoose Model */
+    lean?: boolean;
+  }
+
+  interface ModifyResult<T> {
+    value: Require_id<T> | null;
+    /** see https://www.mongodb.com/docs/manual/reference/command/findAndModify/#lasterrorobject */
+    lastErrorObject?: {
+      updatedExisting?: boolean;
+      upserted?: mongodb.ObjectId;
+    };
+    ok: 0 | 1;
+  }
+
+  type WriteConcern = mongodb.WriteConcern;
+
+  /** A list of paths to validate. If set, Mongoose will validate only the modified paths that are in the given list. */
+  type PathsToValidate = string[] | string;
+  /**
+   * @deprecated
+   */
+  type pathsToValidate = PathsToValidate;
+
+  interface SaveOptions extends
+    SessionOption {
+    checkKeys?: boolean;
+    j?: boolean;
+    safe?: boolean | WriteConcern;
+    timestamps?: boolean | QueryTimestampsConfig;
+    validateBeforeSave?: boolean;
+    validateModifiedOnly?: boolean;
+    w?: number | string;
+    wtimeout?: number;
+  }
+
+  interface RemoveOptions extends SessionOption, Omit<mongodb.DeleteOptions, 'session'> {}
+
+  const Model: Model<any>;
+  interface Model<T, TQueryHelpers = {}, TMethodsAndOverrides = {}, TVirtuals = {}, TSchema = any> extends
+    NodeJS.EventEmitter,
+    AcceptsDiscriminator,
+    IndexManager,
+    SessionStarter {
+    new <DocType = T>(doc?: DocType, fields?: any | null, options?: boolean | AnyObject): HydratedDocument<T, TMethodsAndOverrides,
+    IfEquals<TVirtuals, {}, ObtainSchemaGeneric<TSchema, 'TVirtuals'>, TVirtuals>> & ObtainSchemaGeneric<TSchema, 'TStaticMethods'>;
+
+    aggregate<R = any>(pipeline?: PipelineStage[], options?: mongodb.AggregateOptions, callback?: Callback<R[]>): Aggregate<Array<R>>;
+    aggregate<R = any>(pipeline: PipelineStage[], callback?: Callback<R[]>): Aggregate<Array<R>>;
+
+    /** Base Mongoose instance the model uses. */
+    base: Mongoose;
+
+    /**
+     * If this is a discriminator model, `baseModelName` is the name of
+     * the base model.
+     */
+    baseModelName: string | undefined;
+
+    /* Cast the given POJO to the model's schema */
+    castObject(obj: AnyObject, options?: { ignoreCastErrors?: boolean }): T;
+
+    /**
+     * Sends multiple `insertOne`, `updateOne`, `updateMany`, `replaceOne`,
+     * `deleteOne`, and/or `deleteMany` operations to the MongoDB server in one
+     * command. This is faster than sending multiple independent operations (e.g.
+     * if you use `create()`) because with `bulkWrite()` there is only one network
+     * round trip to the MongoDB server.
+     */
+    bulkWrite(writes: Array<mongodb.AnyBulkWriteOperation<T extends {} ? T : any>>, options: mongodb.BulkWriteOptions & MongooseBulkWriteOptions, callback: Callback<mongodb.BulkWriteResult>): void;
+    bulkWrite(writes: Array<mongodb.AnyBulkWriteOperation<T extends {} ? T : any>>, callback: Callback<mongodb.BulkWriteResult>): void;
+    bulkWrite(writes: Array<mongodb.AnyBulkWriteOperation<T extends {} ? T : any>>, options?: mongodb.BulkWriteOptions & MongooseBulkWriteOptions): Promise<mongodb.BulkWriteResult>;
+
+    /**
+     * Sends multiple `save()` calls in a single `bulkWrite()`. This is faster than
+     * sending multiple `save()` calls because with `bulkSave()` there is only one
+     * network round trip to the MongoDB server.
+     */
+    bulkSave(documents: Array<Document>, options?: mongodb.BulkWriteOptions & { timestamps?: boolean }): Promise<mongodb.BulkWriteResult>;
+
+    /** Collection the model uses. */
+    collection: Collection;
+
+    /** Creates a `count` query: counts the number of documents that match `filter`. */
+    count(callback?: Callback<number>): QueryWithHelpers<number, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+    count(filter: FilterQuery<T>, callback?: Callback<number>): QueryWithHelpers<number, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+
+    /** Creates a `countDocuments` query: counts the number of documents that match `filter`. */
+    countDocuments(filter: FilterQuery<T>, options?: QueryOptions<T>, callback?: Callback<number>): QueryWithHelpers<number, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+    countDocuments(callback?: Callback<number>): QueryWithHelpers<number, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+
+    /** Creates a new document or documents */
+    create<DocContents = AnyKeys<T>>(docs: Array<T | DocContents>, options?: SaveOptions): Promise<HydratedDocument<T, TMethodsAndOverrides, TVirtuals>[]>;
+    create<DocContents = AnyKeys<T>>(docs: Array<T | DocContents>, callback: Callback<HydratedDocument<T, TMethodsAndOverrides, TVirtuals>[]>): void;
+    create<DocContents = AnyKeys<T>>(doc: DocContents | T): Promise<HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>;
+    create<DocContents = AnyKeys<T>>(...docs: Array<T | DocContents>): Promise<HydratedDocument<T, TMethodsAndOverrides, TVirtuals>[]>;
+    create<DocContents = AnyKeys<T>>(doc: T | DocContents, callback: Callback<HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>): void;
+
+    /**
+     * Create the collection for this model. By default, if no indexes are specified,
+     * mongoose will not create the collection for the model until any documents are
+     * created. Use this method to create the collection explicitly.
+     */
+    createCollection<T extends mongodb.Document>(options: mongodb.CreateCollectionOptions & Pick<SchemaOptions, 'expires'> | null, callback: Callback<mongodb.Collection<T>>): void;
+    createCollection<T extends mongodb.Document>(callback: Callback<mongodb.Collection<T>>): void;
+    createCollection<T extends mongodb.Document>(options?: mongodb.CreateCollectionOptions & Pick<SchemaOptions, 'expires'>): Promise<mongodb.Collection<T>>;
+
+    /** Connection the model uses. */
+    db: Connection;
+
+    /**
+     * Deletes all of the documents that match `conditions` from the collection.
+     * Behaves like `remove()`, but deletes all documents that match `conditions`
+     * regardless of the `single` option.
+     */
+    deleteMany(filter?: FilterQuery<T>, options?: QueryOptions<T>, callback?: CallbackWithoutResult): QueryWithHelpers<mongodb.DeleteResult, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+    deleteMany(filter: FilterQuery<T>, callback: CallbackWithoutResult): QueryWithHelpers<mongodb.DeleteResult, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+    deleteMany(callback: CallbackWithoutResult): QueryWithHelpers<mongodb.DeleteResult, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+
+    /**
+     * Deletes the first document that matches `conditions` from the collection.
+     * Behaves like `remove()`, but deletes at most one document regardless of the
+     * `single` option.
+     */
+    deleteOne(filter?: FilterQuery<T>, options?: QueryOptions<T>, callback?: CallbackWithoutResult): QueryWithHelpers<mongodb.DeleteResult, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+    deleteOne(filter: FilterQuery<T>, callback: CallbackWithoutResult): QueryWithHelpers<mongodb.DeleteResult, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+    deleteOne(callback: CallbackWithoutResult): QueryWithHelpers<mongodb.DeleteResult, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+
+    /**
+     * Event emitter that reports any errors that occurred. Useful for global error
+     * handling.
+     */
+    events: NodeJS.EventEmitter;
+
+    /**
+     * Finds a single document by its _id field. `findById(id)` is almost*
+     * equivalent to `findOne({ _id: id })`. If you want to query by a document's
+     * `_id`, use `findById()` instead of `findOne()`.
+     */
+    findById<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      id: any,
+      projection?: ProjectionType<T> | null,
+      options?: QueryOptions<T> | null,
+      callback?: Callback<ResultDoc | null>
+    ): QueryWithHelpers<ResultDoc | null, ResultDoc, TQueryHelpers, T>;
+    findById<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      id: any,
+      projection?: ProjectionType<T> | null,
+      callback?: Callback<ResultDoc | null>
+    ): QueryWithHelpers<ResultDoc | null, ResultDoc, TQueryHelpers, T>;
+
+    /** Finds one document. */
+    findOne<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter?: FilterQuery<T>,
+      projection?: ProjectionType<T> | null,
+      options?: QueryOptions<T> | null,
+      callback?: Callback<ResultDoc | null>
+    ): QueryWithHelpers<ResultDoc | null, ResultDoc, TQueryHelpers, T>;
+    findOne<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter?: FilterQuery<T>,
+      projection?: ProjectionType<T> | null,
+      callback?: Callback<ResultDoc | null>
+    ): QueryWithHelpers<ResultDoc | null, ResultDoc, TQueryHelpers, T>;
+    findOne<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter?: FilterQuery<T>,
+      callback?: Callback<ResultDoc | null>
+    ): QueryWithHelpers<ResultDoc | null, ResultDoc, TQueryHelpers, T>;
+
+    /**
+     * Shortcut for creating a new Document from existing raw data, pre-saved in the DB.
+     * The document returned has no paths marked as modified initially.
+     */
+    hydrate(obj: any, projection?: AnyObject, options?: { setters?: boolean }): HydratedDocument<T, TMethodsAndOverrides, TVirtuals>;
+
+    /**
+     * This function is responsible for building [indexes](https://docs.mongodb.com/manual/indexes/),
+     * unless [`autoIndex`](http://mongoosejs.com/docs/guide.html#autoIndex) is turned off.
+     * Mongoose calls this function automatically when a model is created using
+     * [`mongoose.model()`](/docs/api.html#mongoose_Mongoose-model) or
+     * [`connection.model()`](/docs/api.html#connection_Connection-model), so you
+     * don't need to call it.
+     */
+    init(callback?: CallbackWithoutResult): Promise<HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>;
+
+    /** Inserts one or more new documents as a single `insertMany` call to the MongoDB server. */
+    insertMany<DocContents = T>(docs: Array<DocContents | T>, options: InsertManyOptions & { lean: true; }, callback: Callback<Array<MergeType<MergeType<T, DocContents>, Require_id<T>>>>): void;
+    insertMany<DocContents = T>(docs: Array<DocContents | T>, options: InsertManyOptions & { rawResult: true; }, callback: Callback<mongodb.InsertManyResult<T>>): void;
+    insertMany<DocContents = T>(docs: Array<DocContents | T>, callback: Callback<Array<HydratedDocument<MergeType<MergeType<T, DocContents>, Require_id<T>>, TMethodsAndOverrides, TVirtuals>>>): void;
+    insertMany<DocContents = T>(doc: DocContents, options: InsertManyOptions & { lean: true; }, callback: Callback<Array<MergeType<MergeType<T, DocContents>, Require_id<T>>>>): void;
+    insertMany<DocContents = T>(doc: DocContents, options: InsertManyOptions & { rawResult: true; }, callback: Callback<mongodb.InsertManyResult<T>>): void;
+    insertMany<DocContents = T>(doc: DocContents, options: InsertManyOptions & { lean?: false | undefined }, callback: Callback<Array<HydratedDocument<MergeType<MergeType<T, DocContents>, Require_id<T>>, TMethodsAndOverrides, TVirtuals>>>): void;
+    insertMany<DocContents = T>(doc: DocContents, callback: Callback<Array<HydratedDocument<MergeType<MergeType<T, DocContents>, Require_id<T>>, TMethodsAndOverrides, TVirtuals>>>): void;
+
+    insertMany<DocContents = T>(docs: Array<DocContents | T>, options: InsertManyOptions & { lean: true; }): Promise<Array<MergeType<MergeType<T, DocContents>, Require_id<T>>>>;
+    insertMany<DocContents = T>(docs: Array<DocContents | T>, options: InsertManyOptions & { rawResult: true; }): Promise<mongodb.InsertManyResult<T>>;
+    insertMany<DocContents = T>(docs: Array<DocContents | T>): Promise<Array<HydratedDocument<MergeType<MergeType<T, DocContents>, Require_id<T>>, TMethodsAndOverrides, TVirtuals>>>;
+    insertMany<DocContents = T>(doc: DocContents, options: InsertManyOptions & { lean: true; }): Promise<Array<MergeType<MergeType<T, DocContents>, Require_id<T>>>>;
+    insertMany<DocContents = T>(doc: DocContents, options: InsertManyOptions & { rawResult: true; }): Promise<mongodb.InsertManyResult<T>>;
+    insertMany<DocContents = T>(doc: DocContents, options: InsertManyOptions): Promise<Array<HydratedDocument<MergeType<MergeType<T, DocContents>, Require_id<T>>, TMethodsAndOverrides, TVirtuals>>>;
+    insertMany<DocContents = T>(doc: DocContents): Promise<Array<HydratedDocument<MergeType<MergeType<T, DocContents>, Require_id<T>>, TMethodsAndOverrides, TVirtuals>>>;
+
+    /** The name of the model */
+    modelName: string;
+
+    /** Populates document references. */
+    populate(docs: Array<any>, options: PopulateOptions | Array<PopulateOptions> | string,
+      callback?: Callback<(HydratedDocument<T, TMethodsAndOverrides, TVirtuals>)[]>): Promise<Array<HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>>;
+    populate(doc: any, options: PopulateOptions | Array<PopulateOptions> | string,
+      callback?: Callback<HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>): Promise<HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>;
+
+
+    /** Casts and validates the given object against this model's schema, passing the given `context` to custom validators. */
+    validate(callback?: CallbackWithoutResult): Promise<void>;
+    validate(optional: any, callback?: CallbackWithoutResult): Promise<void>;
+    validate(optional: any, pathsToValidate: PathsToValidate, callback?: CallbackWithoutResult): Promise<void>;
+
+    /** Watches the underlying collection for changes using [MongoDB change streams](https://docs.mongodb.com/manual/changeStreams/). */
+    watch<ResultType extends mongodb.Document = any>(pipeline?: Array<Record<string, unknown>>, options?: mongodb.ChangeStreamOptions & { hydrate?: boolean }): mongodb.ChangeStream<ResultType>;
+
+    /** Adds a `$where` clause to this query */
+    $where(argument: string | Function): QueryWithHelpers<Array<HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+
+    /** Registered discriminators for this model. */
+    discriminators: { [name: string]: Model<any> } | undefined;
+
+    /** Translate any aliases fields/conditions so the final query or document object is pure */
+    translateAliases(raw: any): any;
+
+    /** Creates a `distinct` query: returns the distinct values of the given `field` that match `filter`. */
+    distinct<ReturnType = any>(field: string, filter?: FilterQuery<T>, callback?: Callback<number>): QueryWithHelpers<Array<ReturnType>, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+
+    /** Creates a `estimatedDocumentCount` query: counts the number of documents in the collection. */
+    estimatedDocumentCount(options?: QueryOptions<T>, callback?: Callback<number>): QueryWithHelpers<number, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+
+    /**
+     * Returns a document with its `_id` if at least one document exists in the database that matches
+     * the given `filter`, and `null` otherwise.
+     */
+    exists(filter: FilterQuery<T>, callback: Callback<{ _id: InferId<T> } | null>): QueryWithHelpers<Pick<Document<T>, '_id'> | null, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+    exists(filter: FilterQuery<T>): QueryWithHelpers<{ _id: InferId<T> } | null, HydratedDocument<T, TMethodsAndOverrides, TVirtuals>, TQueryHelpers, T>;
+
+    /** Creates a `find` query: gets a list of documents that match `filter`. */
+    find<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter: FilterQuery<T>,
+      projection?: ProjectionType<T> | null | undefined,
+      options?: QueryOptions<T> | null | undefined,
+      callback?: Callback<ResultDoc[]> | undefined
+    ): QueryWithHelpers<Array<ResultDoc>, ResultDoc, TQueryHelpers, T>;
+    find<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter: FilterQuery<T>,
+      projection?: ProjectionType<T> | null | undefined,
+      callback?: Callback<ResultDoc[]> | undefined
+    ): QueryWithHelpers<Array<ResultDoc>, ResultDoc, TQueryHelpers, T>;
+    find<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter: FilterQuery<T>,
+      callback?: Callback<ResultDoc[]> | undefined
+    ): QueryWithHelpers<Array<ResultDoc>, ResultDoc, TQueryHelpers, T>;
+    find<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      callback?: Callback<ResultDoc[]> | undefined
+    ): QueryWithHelpers<Array<ResultDoc>, ResultDoc, TQueryHelpers, T>;
+
+    /** Creates a `findByIdAndDelete` query, filtering by the given `_id`. */
+    findByIdAndDelete<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(id?: mongodb.ObjectId | any, options?: QueryOptions<T> | null, callback?: (err: CallbackError, doc: ResultDoc | null, res: any) => void): QueryWithHelpers<ResultDoc | null, ResultDoc, TQueryHelpers, T>;
+
+    /** Creates a `findByIdAndRemove` query, filtering by the given `_id`. */
+    findByIdAndRemove<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(id?: mongodb.ObjectId | any, options?: QueryOptions<T> | null, callback?: (err: CallbackError, doc: ResultDoc | null, res: any) => void): QueryWithHelpers<ResultDoc | null, ResultDoc, TQueryHelpers, T>;
+
+    /** Creates a `findOneAndUpdate` query, filtering by the given `_id`. */
+    findByIdAndUpdate<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(id: mongodb.ObjectId | any, update: UpdateQuery<T>, options: QueryOptions<T> & { rawResult: true }, callback?: (err: CallbackError, doc: any, res: any) => void): QueryWithHelpers<ModifyResult<ResultDoc>, ResultDoc, TQueryHelpers, T>;
+    findByIdAndUpdate<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(id: mongodb.ObjectId | any, update: UpdateQuery<T>, options: QueryOptions<T> & { upsert: true } & ReturnsNewDoc, callback?: (err: CallbackError, doc: ResultDoc, res: any) => void): QueryWithHelpers<ResultDoc, ResultDoc, TQueryHelpers, T>;
+    findByIdAndUpdate<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(id?: mongodb.ObjectId | any, update?: UpdateQuery<T>, options?: QueryOptions<T> | null, callback?: (err: CallbackError, doc: ResultDoc | null, res: any) => void): QueryWithHelpers<ResultDoc | null, ResultDoc, TQueryHelpers, T>;
+    findByIdAndUpdate<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(id: mongodb.ObjectId | any, update: UpdateQuery<T>, callback: (err: CallbackError, doc: ResultDoc | null, res: any) => void): QueryWithHelpers<ResultDoc | null, ResultDoc, TQueryHelpers, T>;
+
+    /** Creates a `findOneAndDelete` query: atomically finds the given document, deletes it, and returns the document as it was before deletion. */
+    findOneAndDelete<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(filter?: FilterQuery<T>, options?: QueryOptions<T> | null, callback?: (err: CallbackError, doc: ResultDoc | null, res: any) => void): QueryWithHelpers<ResultDoc | null, ResultDoc, TQueryHelpers, T>;
+
+    /** Creates a `findOneAndRemove` query: atomically finds the given document and deletes it. */
+    findOneAndRemove<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(filter?: FilterQuery<T>, options?: QueryOptions<T> | null, callback?: (err: CallbackError, doc: ResultDoc | null, res: any) => void): QueryWithHelpers<ResultDoc | null, ResultDoc, TQueryHelpers, T>;
+
+    /** Creates a `findOneAndReplace` query: atomically finds the given document and replaces it with `replacement`. */
+    findOneAndReplace<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(filter: FilterQuery<T>, replacement: T | AnyObject, options: QueryOptions<T> & { rawResult: true }, callback?: (err: CallbackError, doc: any, res: any) => void): QueryWithHelpers<ModifyResult<ResultDoc>, ResultDoc, TQueryHelpers, T>;
+    findOneAndReplace<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(filter: FilterQuery<T>, replacement: T | AnyObject, options: QueryOptions<T> & { upsert: true } & ReturnsNewDoc, callback?: (err: CallbackError, doc: ResultDoc, res: any) => void): QueryWithHelpers<ResultDoc, ResultDoc, TQueryHelpers, T>;
+    findOneAndReplace<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(filter?: FilterQuery<T>, replacement?: T | AnyObject, options?: QueryOptions<T> | null, callback?: (err: CallbackError, doc: ResultDoc | null, res: any) => void): QueryWithHelpers<ResultDoc | null, ResultDoc, TQueryHelpers, T>;
+
+    /** Creates a `findOneAndUpdate` query: atomically find the first document that matches `filter` and apply `update`. */
+    findOneAndUpdate<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter: FilterQuery<T>,
+      update: UpdateQuery<T>,
+      options: QueryOptions<T> & { rawResult: true },
+      callback?: (err: CallbackError, doc: any, res: any) => void
+    ): QueryWithHelpers<ModifyResult<ResultDoc>, ResultDoc, TQueryHelpers, T>;
+    findOneAndUpdate<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter: FilterQuery<T>,
+      update: UpdateQuery<T>,
+      options: QueryOptions<T> & { upsert: true } & ReturnsNewDoc,
+      callback?: (err: CallbackError, doc: ResultDoc, res: any) => void
+    ): QueryWithHelpers<ResultDoc, ResultDoc, TQueryHelpers, T>;
+    findOneAndUpdate<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter?: FilterQuery<T>,
+      update?: UpdateQuery<T>,
+      options?: QueryOptions<T> | null,
+      callback?: (err: CallbackError, doc: T | null, res: any) => void
+    ): QueryWithHelpers<ResultDoc | null, ResultDoc, TQueryHelpers, T>;
+
+    geoSearch<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter?: FilterQuery<T>,
+      options?: GeoSearchOptions,
+      callback?: Callback<Array<ResultDoc>>
+    ): QueryWithHelpers<Array<ResultDoc>, ResultDoc, TQueryHelpers, T>;
+
+    /** Executes a mapReduce command. */
+    mapReduce<Key, Value>(
+      o: MapReduceOptions<T, Key, Value>,
+      callback?: Callback
+    ): Promise<any>;
+
+    remove<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(filter?: any, callback?: CallbackWithoutResult): QueryWithHelpers<any, ResultDoc, TQueryHelpers, T>;
+    remove<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(filter?: any, options?: RemoveOptions, callback?: CallbackWithoutResult): QueryWithHelpers<any, ResultDoc, TQueryHelpers, T>;
+
+    /** Creates a `replaceOne` query: finds the first document that matches `filter` and replaces it with `replacement`. */
+    replaceOne<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter?: FilterQuery<T>,
+      replacement?: T | AnyObject,
+      options?: QueryOptions<T> | null,
+      callback?: Callback
+    ): QueryWithHelpers<UpdateWriteOpResult, ResultDoc, TQueryHelpers, T>;
+
+    /** Schema the model uses. */
+    schema: Schema<T>;
+
+    /**
+   * @deprecated use `updateOne` or `updateMany` instead.
+   * Creates a `update` query: updates one or many documents that match `filter` with `update`, based on the `multi` option.
+   */
+    update<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter?: FilterQuery<T>,
+      update?: UpdateQuery<T> | UpdateWithAggregationPipeline,
+      options?: QueryOptions<T> | null,
+      callback?: Callback
+    ): QueryWithHelpers<UpdateWriteOpResult, ResultDoc, TQueryHelpers, T>;
+
+    /** Creates a `updateMany` query: updates all documents that match `filter` with `update`. */
+    updateMany<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter?: FilterQuery<T>,
+      update?: UpdateQuery<T> | UpdateWithAggregationPipeline,
+      options?: QueryOptions<T> | null,
+      callback?: Callback
+    ): QueryWithHelpers<UpdateWriteOpResult, ResultDoc, TQueryHelpers, T>;
+
+    /** Creates a `updateOne` query: updates the first document that matches `filter` with `update`. */
+    updateOne<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(
+      filter?: FilterQuery<T>,
+      update?: UpdateQuery<T> | UpdateWithAggregationPipeline,
+      options?: QueryOptions<T> | null,
+      callback?: Callback
+    ): QueryWithHelpers<UpdateWriteOpResult, ResultDoc, TQueryHelpers, T>;
+
+    /** Creates a Query, applies the passed conditions, and returns the Query. */
+    where<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(path: string, val?: any): QueryWithHelpers<Array<ResultDoc>, ResultDoc, TQueryHelpers, T>;
+    where<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(obj: object): QueryWithHelpers<Array<ResultDoc>, ResultDoc, TQueryHelpers, T>;
+    where<ResultDoc = HydratedDocument<T, TMethodsAndOverrides, TVirtuals>>(): QueryWithHelpers<Array<ResultDoc>, ResultDoc, TQueryHelpers, T>;
+  }
+}
diff --git a/node_modules/mongoose/types/mongooseoptions.d.ts b/node_modules/mongoose/types/mongooseoptions.d.ts
new file mode 100644
index 000000000..87ae8aa82
--- /dev/null
+++ b/node_modules/mongoose/types/mongooseoptions.d.ts
@@ -0,0 +1,199 @@
+declare module 'mongoose' {
+  import stream = require('stream');
+
+  interface MongooseOptions {
+    /**
+     * Set to `true` to set `allowDiskUse` to true to all aggregation operations by default.
+     *
+     * @default false
+     */
+    allowDiskUse?: boolean;
+    /**
+     * Set to `false` to skip applying global plugins to child schemas.
+     *
+     * @default true
+     */
+    applyPluginsToChildSchemas?: boolean;
+
+    /**
+     * Set to `true` to apply global plugins to discriminator schemas.
+     * This typically isn't necessary because plugins are applied to the base schema and
+     * discriminators copy all middleware, methods, statics, and properties from the base schema.
+     *
+     * @default false
+     */
+    applyPluginsToDiscriminators?: boolean;
+
+    /**
+     * autoCreate is `true` by default unless readPreference is secondary or secondaryPreferred,
+     * which means Mongoose will attempt to create every model's underlying collection before
+     * creating indexes. If readPreference is secondary or secondaryPreferred, Mongoose will
+     * default to false for both autoCreate and autoIndex because both createCollection() and
+     * createIndex() will fail when connected to a secondary.
+     */
+    autoCreate?: boolean;
+
+    /**
+     * Set to `false` to disable automatic index creation for all models associated with this Mongoose instance.
+     *
+     * @default true
+     */
+    autoIndex?: boolean;
+
+    /**
+     * enable/disable mongoose's buffering mechanism for all connections and models.
+     *
+     * @default true
+     */
+    bufferCommands?: boolean;
+
+    /**
+     * If bufferCommands is on, this option sets the maximum amount of time Mongoose
+     * buffering will wait before throwing an error.
+     * If not specified, Mongoose will use 10000 (10 seconds).
+     *
+     * @default 10000
+     */
+    bufferTimeoutMS?: number;
+
+    /**
+     * Set to `true` to `clone()` all schemas before compiling into a model.
+     *
+     * @default false
+     */
+    cloneSchemas?: boolean;
+
+    /**
+     * If `true`, prints the operations mongoose sends to MongoDB to the console.
+     * If a writable stream is passed, it will log to that stream, without colorization.
+     * If a callback function is passed, it will receive the collection name, the method
+     * name, then all arguments passed to the method. For example, if you wanted to
+     * replicate the default logging, you could output from the callback
+     * `Mongoose: ${collectionName}.${methodName}(${methodArgs.join(', ')})`.
+     *
+     * @default false
+     */
+    debug?:
+    | boolean
+    | { color?: boolean; shell?: boolean; }
+    | stream.Writable
+    | ((collectionName: string, methodName: string, ...methodArgs: any[]) => void);
+
+    /**
+     * If `true`, adds a `id` virtual to all schemas unless overwritten on a per-schema basis.
+     * @defaultValue true
+     */
+    id?: boolean;
+
+    /**
+     * If `false`, it will change the `createdAt` field to be [`immutable: false`](https://mongoosejs.com/docs/api/schematype.html#schematype_SchemaType-immutable)
+     * which means you can update the `createdAt`.
+     *
+     * @default true
+     */
+    'timestamps.createdAt.immutable'?: boolean
+
+    /** If set, attaches [maxTimeMS](https://docs.mongodb.com/manual/reference/operator/meta/maxTimeMS/) to every query */
+    maxTimeMS?: number;
+
+    /**
+     * Mongoose adds a getter to MongoDB ObjectId's called `_id` that
+     * returns `this` for convenience with populate. Set this to false to remove the getter.
+     *
+     * @default true
+     */
+    objectIdGetter?: boolean;
+
+    /**
+     * Set to `true` to default to overwriting models with the same name when calling
+     * `mongoose.model()`, as opposed to throwing an `OverwriteModelError`.
+     *
+     * @default false
+     */
+    overwriteModels?: boolean;
+
+    /**
+     * If `false`, changes the default `returnOriginal` option to `findOneAndUpdate()`,
+     * `findByIdAndUpdate`, and `findOneAndReplace()` to false. This is equivalent to
+     * setting the `new` option to `true` for `findOneAndX()` calls by default. Read our
+     * `findOneAndUpdate()` [tutorial](https://mongoosejs.com/docs/tutorials/findoneandupdate.html)
+     * for more information.
+     *
+     * @default true
+     */
+    returnOriginal?: boolean;
+
+    /**
+     * Set to true to enable [update validators](
+     * https://mongoosejs.com/docs/validation.html#update-validators
+     * ) for all validators by default.
+     *
+     * @default false
+     */
+    runValidators?: boolean;
+
+    /**
+     * Sanitizes query filters against [query selector injection attacks](
+     * https://thecodebarbarian.com/2014/09/04/defending-against-query-selector-injection-attacks.html
+     * ) by wrapping any nested objects that have a property whose name starts with $ in a $eq.
+     */
+    sanitizeFilter?: boolean;
+
+    sanitizeProjection?: boolean;
+
+    /**
+     * Set to false to opt out of Mongoose adding all fields that you `populate()`
+     * to your `select()`. The schema-level option `selectPopulatedPaths` overwrites this one.
+     *
+     * @default true
+     */
+    selectPopulatedPaths?: boolean;
+
+    /**
+     * Mongoose also sets defaults on update() and findOneAndUpdate() when the upsert option is
+     * set by adding your schema's defaults to a MongoDB $setOnInsert operator. You can disable
+     * this behavior by setting the setDefaultsOnInsert option to false.
+     *
+     * @default true
+     */
+    setDefaultsOnInsert?: boolean;
+
+    /**
+     * Sets the default strict mode for schemas.
+     * May be `false`, `true`, or `'throw'`.
+     *
+     * @default true
+     */
+    strict?: boolean | 'throw';
+
+    /**
+     * Set to `false` to allow populating paths that aren't in the schema.
+     *
+     * @default true
+     */
+    strictPopulate?: boolean;
+
+    /**
+     * Sets the default [strictQuery](https://mongoosejs.com/docs/guide.html#strictQuery) mode for schemas.
+     * May be `false`, `true`, or `'throw'`.
+     *
+     * @default false
+     */
+    strictQuery?: boolean | 'throw';
+
+    /**
+     * Overwrites default objects to `toJSON()`, for determining how Mongoose
+     * documents get serialized by `JSON.stringify()`
+     *
+     * @default { transform: true, flattenDecimals: true }
+     */
+    toJSON?: ToObjectOptions;
+
+    /**
+     * Overwrites default objects to `toObject()`
+     *
+     * @default { transform: true, flattenDecimals: true }
+     */
+    toObject?: ToObjectOptions;
+  }
+}
diff --git a/node_modules/mongoose/types/pipelinestage.d.ts b/node_modules/mongoose/types/pipelinestage.d.ts
new file mode 100644
index 000000000..9086a4afb
--- /dev/null
+++ b/node_modules/mongoose/types/pipelinestage.d.ts
@@ -0,0 +1,281 @@
+declare module 'mongoose' {
+  /**
+     * [Stages reference](https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/#aggregation-pipeline-stages)
+     */
+  export type PipelineStage =
+    | PipelineStage.AddFields
+    | PipelineStage.Bucket
+    | PipelineStage.BucketAuto
+    | PipelineStage.CollStats
+    | PipelineStage.Count
+    | PipelineStage.Facet
+    | PipelineStage.GeoNear
+    | PipelineStage.GraphLookup
+    | PipelineStage.Group
+    | PipelineStage.IndexStats
+    | PipelineStage.Limit
+    | PipelineStage.ListSessions
+    | PipelineStage.Lookup
+    | PipelineStage.Match
+    | PipelineStage.Merge
+    | PipelineStage.Out
+    | PipelineStage.PlanCacheStats
+    | PipelineStage.Project
+    | PipelineStage.Redact
+    | PipelineStage.ReplaceRoot
+    | PipelineStage.ReplaceWith
+    | PipelineStage.Sample
+    | PipelineStage.Search
+    | PipelineStage.Set
+    | PipelineStage.SetWindowFields
+    | PipelineStage.Skip
+    | PipelineStage.Sort
+    | PipelineStage.SortByCount
+    | PipelineStage.UnionWith
+    | PipelineStage.Unset
+    | PipelineStage.Unwind;
+
+  export namespace PipelineStage {
+    export interface AddFields {
+      /** [`$addFields` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/addFields/) */
+      $addFields: Record<string, AnyExpression>
+    }
+
+    export interface Bucket {
+      /** [`$bucket` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/bucket/) */
+      $bucket: {
+        groupBy: Expression;
+        boundaries: any[];
+        default?: any
+        output?: Record<string, AccumulatorOperator>
+      }
+    }
+
+    export interface BucketAuto {
+      /** [`$bucketAuto` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/bucketAuto/) */
+      $bucketAuto: {
+        groupBy: Expression | Record<string, Expression>;
+        buckets: number;
+        output?: Record<string, AccumulatorOperator>;
+        granularity?: 'R5' | 'R10' | 'R20' | 'R40' | 'R80' | '1-2-5' | 'E6' | 'E12' | 'E24' | 'E48' | 'E96' | 'E192' | 'POWERSOF2';
+      }
+    }
+
+    export interface CollStats {
+      /** [`$collStats` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/collStats/) */
+      $collStats: {
+        latencyStats?: { histograms?: boolean };
+        storageStats?: { scale?: number };
+        count?: Record<string | number | symbol, never>;
+        queryExecStats?: Record<string | number | symbol, never>;
+      }
+    }
+
+    export interface Count {
+      /** [`$count` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/count/) */
+      $count: string;
+    }
+
+    export interface Densify{
+      /** [`$densify` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/densify/) */
+      $densify: {
+        field: string,
+        partitionByFields?: string[],
+        range: {
+          step: number,
+          unit?: 'millisecond' | 'second' | 'minute' | 'hour' | 'day' | 'week' | 'month' | 'quarter' | 'year',
+          bounds: number[] | globalThis.Date[] | 'full' | 'partition'
+        }
+      }
+    }
+
+    export interface Facet {
+      /** [`$facet` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/facet/) */
+      $facet: Record<string, FacetPipelineStage[]>;
+    }
+
+    export type FacetPipelineStage = Exclude<PipelineStage, PipelineStage.CollStats | PipelineStage.Facet | PipelineStage.GeoNear | PipelineStage.IndexStats | PipelineStage.Out | PipelineStage.Merge | PipelineStage.PlanCacheStats>;
+
+    export interface GeoNear {
+      /** [`$geoNear` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/geoNear/) */
+      $geoNear: {
+        near: { type: 'Point'; coordinates: [number, number] } | [number, number];
+        distanceField: string;
+        distanceMultiplier?: number;
+        includeLocs?: string;
+        key?: string;
+        maxDistance?: number;
+        minDistance?: number;
+        query?: AnyObject;
+        spherical?: boolean;
+        uniqueDocs?: boolean;
+      }
+    }
+
+    export interface GraphLookup {
+      /** [`$graphLookup` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/graphLookup/) */
+      $graphLookup: {
+        from: string;
+        startWith: any
+        connectFromField: string;
+        connectToField: string;
+        as: string;
+        maxDepth?: number;
+        depthField?: string;
+        restrictSearchWithMatch?: AnyObject;
+      }
+    }
+
+    export interface Group {
+      /** [`$group` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/group) */
+      $group: { _id: any } | { [key: string]: AccumulatorOperator }
+    }
+
+    export interface IndexStats {
+      /** [`$indexStats` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/indexStats/) */
+      $indexStats: Record<string | number | symbol, never>;
+    }
+
+    export interface Limit {
+      /** [`$limit` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/limit/) */
+      $limit: number
+    }
+
+    export interface ListSessions {
+      /** [`$listSessions` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/listSessions/) */
+      $listSessions: { users?: { user: string; db: string }[] } | { allUsers?: true }
+    }
+
+    export interface Lookup {
+      /** [`$lookup` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/lookup/) */
+      $lookup: {
+        from: string
+        as: string
+        localField?: string
+        foreignField?: string
+        let?: Record<string, any>
+        pipeline?: Exclude<PipelineStage, PipelineStage.Merge | PipelineStage.Out>[]
+      }
+    }
+
+    export interface Match {
+      /** [`$match` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/match/) */
+      $match: FilterQuery<any>;
+    }
+
+    export interface Merge {
+      /** [`$merge` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/merge/) */
+      $merge: {
+        into: string | { db: string; coll: string }
+        on?: string | string[]
+        let?: Record<string, Expression>
+        whenMatched?: 'replace' | 'keepExisting' | 'merge' | 'fail' | Extract<PipelineStage, PipelineStage.AddFields | PipelineStage.Set | PipelineStage.Project | PipelineStage.Unset | PipelineStage.ReplaceRoot | PipelineStage.ReplaceWith>[]
+        whenNotMatched?: 'insert' | 'discard' | 'fail'
+      }
+    }
+
+    export interface Out {
+      /** [`$out` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/out/) */
+      $out: string | { db: string; coll: string }
+    }
+
+    export interface PlanCacheStats {
+      /** [`$planCacheStats` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/planCacheStats/) */
+      $planCacheStats: Record<string | number | symbol, never>
+    }
+
+    export interface Project {
+      /** [`$project` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/project/) */
+      $project: { [field: string]: AnyExpression | Expression | Project['$project'] }
+    }
+
+    export interface Redact {
+      /** [`$redact` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/redact/) */
+      $redact: Expression;
+    }
+
+    export interface ReplaceRoot {
+      /** [`$replaceRoot` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/replaceRoot/) */
+      $replaceRoot: { newRoot: AnyExpression }
+    }
+
+    export interface ReplaceWith {
+      /** [`$replaceWith` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/replaceWith/) */
+      $replaceWith: ObjectExpressionOperator;
+    }
+
+    export interface Sample {
+      /** [`$sample` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/sample/) */
+      $sample: { size: number }
+    }
+
+    export interface Search {
+      /** [`$search` reference](https://docs.atlas.mongodb.com/reference/atlas-search/query-syntax/) */
+      $search: {
+        index?: string;
+        highlight?: {
+          /** [`highlightPath` reference](https://docs.atlas.mongodb.com/atlas-search/path-construction/#multiple-field-search) */
+          path: string | string[] | { value: string, multi: string };
+          maxCharsToExamine?: number;
+          maxNumPassages?: number;
+        };
+        [operator: string]: any;
+      }
+    }
+
+    export interface Set {
+      /** [`$set` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/set/) */
+      $set: Record<string, AnyExpression | any>
+    }
+
+    export interface SetWindowFields {
+      /** [`$setWindowFields` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/setWindowFields/) */
+      $setWindowFields: {
+        partitionBy?: any
+        sortBy?: Record<string, 1 | -1>
+        output: Record<
+        string,
+        WindowOperator & {
+          window?: {
+            documents?: [string | number, string | number]
+            range?: [string | number, string | number]
+            unit?: 'year' | 'quarter' | 'month' | 'week' | 'day' | 'hour' | 'minute' | 'second' | 'millisecond'
+          }
+        }
+        >
+      }
+    }
+
+    export interface Skip {
+      /** [`$skip` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/skip/) */
+      $skip: number
+    }
+
+    export interface Sort {
+      /** [`$sort` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/sort/) */
+      $sort: Record<string, 1 | -1 | Expression.Meta>
+    }
+
+    export interface SortByCount {
+      /** [`$sortByCount` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/sortByCount/) */
+      $sortByCount: Expression;
+    }
+
+    export interface UnionWith {
+      /** [`$unionWith` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/unionWith/) */
+      $unionWith:
+      | string
+      | { coll: string; pipeline?: Exclude<PipelineStage, PipelineStage.Out | PipelineStage.Merge>[] }
+    }
+
+    export interface Unset {
+      /** [`$unset` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/unset/) */
+      $unset: string | string[]
+    }
+
+    export interface Unwind {
+      /** [`$unwind` reference](https://docs.mongodb.com/manual/reference/operator/aggregation/unwind/) */
+      $unwind: string | { path: string; includeArrayIndex?: string; preserveNullAndEmptyArrays?: boolean }
+    }
+  }
+}
diff --git a/node_modules/mongoose/types/populate.d.ts b/node_modules/mongoose/types/populate.d.ts
new file mode 100644
index 000000000..3d53cea14
--- /dev/null
+++ b/node_modules/mongoose/types/populate.d.ts
@@ -0,0 +1,40 @@
+declare module 'mongoose' {
+
+  /**
+   * Reference another Model
+   */
+   type PopulatedDoc<
+     PopulatedType,
+     RawId extends RefType = (PopulatedType extends { _id?: RefType; } ? NonNullable<PopulatedType['_id']> : Types.ObjectId) | undefined
+   > = PopulatedType | RawId;
+
+   interface PopulateOptions {
+     /** space delimited path(s) to populate */
+     path: string;
+     /** fields to select */
+     select?: any;
+     /** query conditions to match */
+     match?: any;
+     /** optional model to use for population */
+     model?: string | Model<any>;
+     /** optional query options like sort, limit, etc */
+     options?: QueryOptions;
+     /** correct limit on populated array */
+     perDocumentLimit?: number;
+     /** optional boolean, set to `false` to allow populating paths that aren't in the schema */
+     strictPopulate?: boolean;
+     /** deep populate */
+     populate?: string | PopulateOptions | (string | PopulateOptions)[];
+     /**
+     * If true Mongoose will always set `path` to an array, if false Mongoose will
+     * always set `path` to a document. Inferred from schema by default.
+     */
+     justOne?: boolean;
+     /** transform function to call on every populated doc */
+     transform?: (doc: any, id: any) => any;
+   }
+
+   interface PopulateOption {
+     populate?: string | string[] | PopulateOptions | PopulateOptions[];
+   }
+}
diff --git a/node_modules/mongoose/types/query.d.ts b/node_modules/mongoose/types/query.d.ts
new file mode 100644
index 000000000..dea9bc0da
--- /dev/null
+++ b/node_modules/mongoose/types/query.d.ts
@@ -0,0 +1,659 @@
+declare module 'mongoose' {
+  import mongodb = require('mongodb');
+
+  export type ApplyBasicQueryCasting<T> = T | T[] | (T extends (infer U)[] ? U : any) | any;
+  type Condition<T> = ApplyBasicQueryCasting<T> | QuerySelector<ApplyBasicQueryCasting<T>>;
+
+  type _FilterQuery<T> = {
+    [P in keyof T]?: Condition<T[P]>;
+  } & RootQuerySelector<T>;
+
+  /**
+   * Filter query to select the documents that match the query
+   * @example
+   * ```js
+   * { age: { $gte: 30 } }
+   * ```
+   */
+  type FilterQuery<T> = _FilterQuery<T>;
+
+  type MongooseQueryOptions<DocType = unknown> = Pick<QueryOptions<DocType>, 'populate' | 'lean' | 'strict' | 'sanitizeProjection' | 'sanitizeFilter'>;
+
+  type ProjectionFields<DocType> = { [Key in keyof Omit<LeanDocument<DocType>, '__v'>]?: any } & Record<string, any>;
+
+  type QueryWithHelpers<ResultType, DocType, THelpers = {}, RawDocType = DocType> = Query<ResultType, DocType, THelpers, RawDocType> & THelpers;
+
+  type QuerySelector<T> = {
+    // Comparison
+    $eq?: T;
+    $gt?: T;
+    $gte?: T;
+    $in?: [T] extends AnyArray<any> ? Unpacked<T>[] : T[];
+    $lt?: T;
+    $lte?: T;
+    $ne?: T;
+    $nin?: [T] extends AnyArray<any> ? Unpacked<T>[] : T[];
+    // Logical
+    $not?: T extends string ? QuerySelector<T> | RegExp : QuerySelector<T>;
+    // Element
+    /**
+     * When `true`, `$exists` matches the documents that contain the field,
+     * including documents where the field value is null.
+     */
+    $exists?: boolean;
+    $type?: string | number;
+    // Evaluation
+    $expr?: any;
+    $jsonSchema?: any;
+    $mod?: T extends number ? [number, number] : never;
+    $regex?: T extends string ? RegExp | string : never;
+    $options?: T extends string ? string : never;
+    // Geospatial
+    // TODO: define better types for geo queries
+    $geoIntersects?: { $geometry: object };
+    $geoWithin?: object;
+    $near?: object;
+    $nearSphere?: object;
+    $maxDistance?: number;
+    // Array
+    // TODO: define better types for $all and $elemMatch
+    $all?: T extends AnyArray<any> ? any[] : never;
+    $elemMatch?: T extends AnyArray<any> ? object : never;
+    $size?: T extends AnyArray<any> ? number : never;
+    // Bitwise
+    $bitsAllClear?: number | mongodb.Binary | number[];
+    $bitsAllSet?: number | mongodb.Binary | number[];
+    $bitsAnyClear?: number | mongodb.Binary | number[];
+    $bitsAnySet?: number | mongodb.Binary | number[];
+  };
+
+  type RootQuerySelector<T> = {
+    /** @see https://docs.mongodb.com/manual/reference/operator/query/and/#op._S_and */
+    $and?: Array<FilterQuery<T>>;
+    /** @see https://docs.mongodb.com/manual/reference/operator/query/nor/#op._S_nor */
+    $nor?: Array<FilterQuery<T>>;
+    /** @see https://docs.mongodb.com/manual/reference/operator/query/or/#op._S_or */
+    $or?: Array<FilterQuery<T>>;
+    /** @see https://docs.mongodb.com/manual/reference/operator/query/text */
+    $text?: {
+      $search: string;
+      $language?: string;
+      $caseSensitive?: boolean;
+      $diacriticSensitive?: boolean;
+    };
+    /** @see https://docs.mongodb.com/manual/reference/operator/query/where/#op._S_where */
+    $where?: string | Function;
+    /** @see https://docs.mongodb.com/manual/reference/operator/query/comment/#op._S_comment */
+    $comment?: string;
+    // we could not find a proper TypeScript generic to support nested queries e.g. 'user.friends.name'
+    // this will mark all unrecognized properties as any (including nested queries)
+    [key: string]: any;
+  };
+
+  interface QueryTimestampsConfig {
+    createdAt?: boolean;
+    updatedAt?: boolean;
+  }
+
+  interface QueryOptions<DocType = unknown> extends
+    PopulateOption,
+    SessionOption {
+    arrayFilters?: { [key: string]: any }[];
+    batchSize?: number;
+    collation?: mongodb.CollationOptions;
+    comment?: any;
+    context?: string;
+    explain?: mongodb.ExplainVerbosityLike;
+    fields?: any | string;
+    hint?: mongodb.Hint;
+    /**
+     * If truthy, mongoose will return the document as a plain JavaScript object rather than a mongoose document.
+     */
+    lean?: boolean | any;
+    limit?: number;
+    maxTimeMS?: number;
+    maxscan?: number;
+    multi?: boolean;
+    multipleCastError?: boolean;
+    /**
+     * By default, `findOneAndUpdate()` returns the document as it was **before**
+     * `update` was applied. If you set `new: true`, `findOneAndUpdate()` will
+     * instead give you the object after `update` was applied.
+     */
+    new?: boolean;
+    overwrite?: boolean;
+    overwriteDiscriminatorKey?: boolean;
+    projection?: ProjectionType<DocType>;
+    /**
+     * if true, returns the raw result from the MongoDB driver
+     */
+    rawResult?: boolean;
+    readPreference?: string | mongodb.ReadPreferenceMode;
+    /**
+     * An alias for the `new` option. `returnOriginal: false` is equivalent to `new: true`.
+     */
+    returnOriginal?: boolean;
+    /**
+     * Another alias for the `new` option. `returnOriginal` is deprecated so this should be used.
+     */
+    returnDocument?: string;
+    runValidators?: boolean;
+    /* Set to `true` to automatically sanitize potentially unsafe user-generated query projections */
+    sanitizeProjection?: boolean;
+    /**
+     * Set to `true` to automatically sanitize potentially unsafe query filters by stripping out query selectors that
+     * aren't explicitly allowed using `mongoose.trusted()`.
+     */
+    sanitizeFilter?: boolean;
+    setDefaultsOnInsert?: boolean;
+    skip?: number;
+    snapshot?: any;
+    sort?: any;
+    /** overwrites the schema's strict mode option */
+    strict?: boolean | string;
+    /**
+     * equal to `strict` by default, may be `false`, `true`, or `'throw'`. Sets the default
+     * [strictQuery](https://mongoosejs.com/docs/guide.html#strictQuery) mode for schemas.
+     */
+    strictQuery?: boolean | 'throw';
+    tailable?: number;
+    /**
+     * If set to `false` and schema-level timestamps are enabled,
+     * skip timestamps for this update. Note that this allows you to overwrite
+     * timestamps. Does nothing if schema-level timestamps are not set.
+     */
+    timestamps?: boolean | QueryTimestampsConfig;
+    upsert?: boolean;
+    writeConcern?: mongodb.WriteConcern;
+
+    [other: string]: any;
+  }
+
+  class Query<ResultType, DocType, THelpers = {}, RawDocType = DocType> implements SessionOperation {
+    _mongooseOptions: MongooseQueryOptions<DocType>;
+
+    /**
+     * Returns a wrapper around a [mongodb driver cursor](https://mongodb.github.io/node-mongodb-native/4.9/classes/FindCursor.html).
+     * A QueryCursor exposes a Streams3 interface, as well as a `.next()` function.
+     * This is equivalent to calling `.cursor()` with no arguments.
+     */
+    [Symbol.asyncIterator](): AsyncIterableIterator<DocType>;
+
+    /** Executes the query */
+    exec(callback: Callback<ResultType>): void;
+    exec(): Promise<ResultType>;
+
+    $where(argument: string | Function): QueryWithHelpers<DocType[], DocType, THelpers, RawDocType>;
+
+    /** Specifies an `$all` query condition. When called with one argument, the most recent path passed to `where()` is used. */
+    all(path: string, val: Array<any>): this;
+    all(val: Array<any>): this;
+
+    /** Sets the allowDiskUse option for the query (ignored for < 4.4.0) */
+    allowDiskUse(value: boolean): this;
+
+    /** Specifies arguments for an `$and` condition. */
+    and(array: FilterQuery<DocType>[]): this;
+
+    /** Specifies the batchSize option. */
+    batchSize(val: number): this;
+
+    /** Specifies a `$box` condition */
+    box(lower: number[], upper: number[]): this;
+    box(val: any): this;
+
+    /**
+     * Casts this query to the schema of `model`.
+     *
+     * @param {Model} [model] the model to cast to. If not set, defaults to `this.model`
+     * @param {Object} [obj] If not set, defaults to this query's conditions
+     * @return {Object} the casted `obj`
+     */
+    cast(model?: Model<any, THelpers> | null, obj?: any): any;
+
+    /**
+     * Executes the query returning a `Promise` which will be
+     * resolved with either the doc(s) or rejected with the error.
+     * Like `.then()`, but only takes a rejection handler.
+     */
+    catch: Promise<ResultType>['catch'];
+
+    /** Specifies a `$center` or `$centerSphere` condition. */
+    circle(path: string, area: any): this;
+    circle(area: any): this;
+
+    /** Make a copy of this query so you can re-execute it. */
+    clone(): this;
+
+    /** Adds a collation to this op (MongoDB 3.4 and up) */
+    collation(value: mongodb.CollationOptions): this;
+
+    /** Specifies the `comment` option. */
+    comment(val: string): this;
+
+    /** Specifies this query as a `count` query. */
+    count(criteria: FilterQuery<DocType>, callback?: Callback<number>): QueryWithHelpers<number, DocType, THelpers, RawDocType>;
+    count(callback?: Callback<number>): QueryWithHelpers<number, DocType, THelpers, RawDocType>;
+
+    /** Specifies this query as a `countDocuments` query. */
+    countDocuments(
+      criteria: FilterQuery<DocType>,
+      options?: QueryOptions<DocType>,
+      callback?: Callback<number>
+    ): QueryWithHelpers<number, DocType, THelpers, RawDocType>;
+    countDocuments(callback?: Callback<number>): QueryWithHelpers<number, DocType, THelpers, RawDocType>;
+
+    /**
+     * Returns a wrapper around a [mongodb driver cursor](https://mongodb.github.io/node-mongodb-native/4.9/classes/FindCursor.html).
+     * A QueryCursor exposes a Streams3 interface, as well as a `.next()` function.
+     */
+    cursor(options?: QueryOptions<DocType>): Cursor<DocType, QueryOptions<DocType>>;
+
+    /**
+     * Declare and/or execute this query as a `deleteMany()` operation. Works like
+     * remove, except it deletes _every_ document that matches `filter` in the
+     * collection, regardless of the value of `single`.
+     */
+    deleteMany(filter?: FilterQuery<DocType>, options?: QueryOptions<DocType>, callback?: Callback): QueryWithHelpers<any, DocType, THelpers, RawDocType>;
+    deleteMany(filter: FilterQuery<DocType>, callback: Callback): QueryWithHelpers<any, DocType, THelpers, RawDocType>;
+    deleteMany(callback: Callback): QueryWithHelpers<any, DocType, THelpers, RawDocType>;
+
+    /**
+     * Declare and/or execute this query as a `deleteOne()` operation. Works like
+     * remove, except it deletes at most one document regardless of the `single`
+     * option.
+     */
+    deleteOne(filter?: FilterQuery<DocType>, options?: QueryOptions<DocType>, callback?: Callback): QueryWithHelpers<any, DocType, THelpers, RawDocType>;
+    deleteOne(filter: FilterQuery<DocType>, callback: Callback): QueryWithHelpers<any, DocType, THelpers, RawDocType>;
+    deleteOne(callback: Callback): QueryWithHelpers<any, DocType, THelpers, RawDocType>;
+
+    /** Creates a `distinct` query: returns the distinct values of the given `field` that match `filter`. */
+    distinct<ReturnType = any>(field: string, filter?: FilterQuery<DocType>, callback?: Callback<number>): QueryWithHelpers<Array<ReturnType>, DocType, THelpers, RawDocType>;
+
+    /** Specifies a `$elemMatch` query condition. When called with one argument, the most recent path passed to `where()` is used. */
+    elemMatch<K = string>(path: K, val: any): this;
+    elemMatch(val: Function | any): this;
+
+    /**
+     * Gets/sets the error flag on this query. If this flag is not null or
+     * undefined, the `exec()` promise will reject without executing.
+     */
+    error(): NativeError | null;
+    error(val: NativeError | null): this;
+
+    /** Specifies the complementary comparison value for paths specified with `where()` */
+    equals(val: any): this;
+
+    /** Creates a `estimatedDocumentCount` query: counts the number of documents in the collection. */
+    estimatedDocumentCount(options?: QueryOptions<DocType>, callback?: Callback<number>): QueryWithHelpers<number, DocType, THelpers, RawDocType>;
+
+    /** Specifies a `$exists` query condition. When called with one argument, the most recent path passed to `where()` is used. */
+    exists<K = string>(path: K, val: boolean): this;
+    exists(val: boolean): this;
+
+    /**
+     * Sets the [`explain` option](https://docs.mongodb.com/manual/reference/method/cursor.explain/),
+     * which makes this query return detailed execution stats instead of the actual
+     * query result. This method is useful for determining what index your queries
+     * use.
+     */
+    explain(verbose?: mongodb.ExplainVerbosityLike): this;
+
+    /** Creates a `find` query: gets a list of documents that match `filter`. */
+    find(
+      filter: FilterQuery<DocType>,
+      projection?: ProjectionType<DocType> | null,
+      options?: QueryOptions<DocType> | null,
+      callback?: Callback<DocType[]>
+    ): QueryWithHelpers<Array<DocType>, DocType, THelpers, RawDocType>;
+    find(
+      filter: FilterQuery<DocType>,
+      projection?: ProjectionType<DocType> | null,
+      callback?: Callback<DocType[]>
+    ): QueryWithHelpers<Array<DocType>, DocType, THelpers, RawDocType>;
+    find(
+      filter: FilterQuery<DocType>,
+      callback?: Callback<DocType[]>
+    ): QueryWithHelpers<Array<DocType>, DocType, THelpers, RawDocType>;
+    find(callback?: Callback<DocType[]>): QueryWithHelpers<Array<DocType>, DocType, THelpers, RawDocType>;
+
+    /** Declares the query a findOne operation. When executed, the first found document is passed to the callback. */
+    findOne(
+      filter?: FilterQuery<DocType>,
+      projection?: ProjectionType<DocType> | null,
+      options?: QueryOptions<DocType> | null,
+      callback?: Callback<DocType | null>
+    ): QueryWithHelpers<DocType | null, DocType, THelpers, RawDocType>;
+    findOne(
+      filter?: FilterQuery<DocType>,
+      projection?: ProjectionType<DocType> | null,
+      callback?: Callback<DocType | null>
+    ): QueryWithHelpers<DocType | null, DocType, THelpers, RawDocType>;
+    findOne(
+      filter?: FilterQuery<DocType>,
+      callback?: Callback<DocType | null>
+    ): QueryWithHelpers<DocType | null, DocType, THelpers, RawDocType>;
+
+    /** Creates a `findOneAndDelete` query: atomically finds the given document, deletes it, and returns the document as it was before deletion. */
+    findOneAndDelete(
+      filter?: FilterQuery<DocType>,
+      options?: QueryOptions<DocType> | null,
+      callback?: (err: CallbackError, doc: DocType | null, res: any) => void
+    ): QueryWithHelpers<DocType | null, DocType, THelpers, RawDocType>;
+
+    /** Creates a `findOneAndRemove` query: atomically finds the given document and deletes it. */
+    findOneAndRemove(
+      filter?: FilterQuery<DocType>,
+      options?: QueryOptions<DocType> | null,
+      callback?: (err: CallbackError, doc: DocType | null, res: any) => void
+    ): QueryWithHelpers<DocType | null, DocType, THelpers, RawDocType>;
+
+    /** Creates a `findOneAndUpdate` query: atomically find the first document that matches `filter` and apply `update`. */
+    findOneAndUpdate(
+      filter: FilterQuery<DocType>,
+      update: UpdateQuery<DocType>,
+      options: QueryOptions<DocType> & { rawResult: true },
+      callback?: (err: CallbackError, doc: DocType | null, res: ModifyResult<DocType>) => void
+    ): QueryWithHelpers<ModifyResult<DocType>, DocType, THelpers, RawDocType>;
+    findOneAndUpdate(
+      filter: FilterQuery<DocType>,
+      update: UpdateQuery<DocType>,
+      options: QueryOptions<DocType> & { upsert: true } & ReturnsNewDoc,
+      callback?: (err: CallbackError, doc: DocType, res: ModifyResult<DocType>) => void
+    ): QueryWithHelpers<DocType, DocType, THelpers, RawDocType>;
+    findOneAndUpdate(
+      filter?: FilterQuery<DocType>,
+      update?: UpdateQuery<DocType>,
+      options?: QueryOptions<DocType> | null,
+      callback?: (err: CallbackError, doc: DocType | null, res: ModifyResult<DocType>) => void
+    ): QueryWithHelpers<DocType | null, DocType, THelpers, RawDocType>;
+
+    /** Declares the query a findById operation. When executed, the document with the given `_id` is passed to the callback. */
+    findById(
+      id: mongodb.ObjectId | any,
+      projection?: ProjectionType<DocType> | null,
+      options?: QueryOptions<DocType> | null,
+      callback?: Callback<DocType | null>
+    ): QueryWithHelpers<DocType | null, DocType, THelpers, RawDocType>;
+    findById(
+      id: mongodb.ObjectId | any,
+      projection?: ProjectionType<DocType> | null,
+      callback?: Callback<DocType | null>
+    ): QueryWithHelpers<DocType | null, DocType, THelpers, RawDocType>;
+    findById(
+      id: mongodb.ObjectId | any,
+      callback?: Callback<DocType | null>
+    ): QueryWithHelpers<DocType | null, DocType, THelpers, RawDocType>;
+
+    /** Creates a `findByIdAndDelete` query, filtering by the given `_id`. */
+    findByIdAndDelete(id?: mongodb.ObjectId | any, options?: QueryOptions<DocType> | null, callback?: (err: CallbackError, doc: DocType | null, res: any) => void): QueryWithHelpers<DocType | null, DocType, THelpers, RawDocType>;
+
+    /** Creates a `findOneAndUpdate` query, filtering by the given `_id`. */
+    findByIdAndUpdate(id: mongodb.ObjectId | any, update: UpdateQuery<DocType>, options: QueryOptions<DocType> & { rawResult: true }, callback?: (err: CallbackError, doc: any, res?: any) => void): QueryWithHelpers<any, DocType, THelpers, RawDocType>;
+    findByIdAndUpdate(id: mongodb.ObjectId | any, update: UpdateQuery<DocType>, options: QueryOptions<DocType> & { upsert: true } & ReturnsNewDoc, callback?: (err: CallbackError, doc: DocType, res?: any) => void): QueryWithHelpers<DocType, DocType, THelpers, RawDocType>;
+    findByIdAndUpdate(id?: mongodb.ObjectId | any, update?: UpdateQuery<DocType>, options?: QueryOptions<DocType> | null, callback?: (CallbackError: any, doc: DocType | null, res?: any) => void): QueryWithHelpers<DocType | null, DocType, THelpers, RawDocType>;
+    findByIdAndUpdate(id: mongodb.ObjectId | any, update: UpdateQuery<DocType>, callback: (CallbackError: any, doc: DocType | null, res?: any) => void): QueryWithHelpers<DocType | null, DocType, THelpers, RawDocType>;
+
+    /** Specifies a `$geometry` condition */
+    geometry(object: { type: string, coordinates: any[] }): this;
+
+    /**
+     * For update operations, returns the value of a path in the update's `$set`.
+     * Useful for writing getters/setters that can work with both update operations
+     * and `save()`.
+     */
+    get(path: string): any;
+
+    /** Returns the current query filter (also known as conditions) as a POJO. */
+    getFilter(): FilterQuery<DocType>;
+
+    /** Gets query options. */
+    getOptions(): QueryOptions<DocType>;
+
+    /** Gets a list of paths to be populated by this query */
+    getPopulatedPaths(): Array<string>;
+
+    /** Returns the current query filter. Equivalent to `getFilter()`. */
+    getQuery(): FilterQuery<DocType>;
+
+    /** Returns the current update operations as a JSON object. */
+    getUpdate(): UpdateQuery<DocType> | UpdateWithAggregationPipeline | null;
+
+    /** Specifies a `$gt` query condition. When called with one argument, the most recent path passed to `where()` is used. */
+    gt<K = string>(path: K, val: any): this;
+    gt(val: number): this;
+
+    /** Specifies a `$gte` query condition. When called with one argument, the most recent path passed to `where()` is used. */
+    gte<K = string>(path: K, val: any): this;
+    gte(val: number): this;
+
+    /** Sets query hints. */
+    hint(val: any): this;
+
+    /** Specifies an `$in` query condition. When called with one argument, the most recent path passed to `where()` is used. */
+    in<K = string>(path: K, val: any[]): this;
+    in(val: Array<any>): this;
+
+    /** Declares an intersects query for `geometry()`. */
+    intersects(arg?: any): this;
+
+    /** Requests acknowledgement that this operation has been persisted to MongoDB's on-disk journal. */
+    j(val: boolean | null): this;
+
+    /** Sets the lean option. */
+    lean<LeanResultType = RawDocType extends Document ? LeanDocumentOrArray<ResultType> : LeanDocumentOrArrayWithRawType<ResultType, Require_id<RawDocType>>>(val?: boolean | any): QueryWithHelpers<LeanResultType, DocType, THelpers, RawDocType>;
+
+    /** Specifies the maximum number of documents the query will return. */
+    limit(val: number): this;
+
+    /** Specifies a `$lt` query condition. When called with one argument, the most recent path passed to `where()` is used. */
+    lt<K = string>(path: K, val: any): this;
+    lt(val: number): this;
+
+    /** Specifies a `$lte` query condition. When called with one argument, the most recent path passed to `where()` is used. */
+    lte<K = string>(path: K, val: any): this;
+    lte(val: number): this;
+
+    /**
+     * Runs a function `fn` and treats the return value of `fn` as the new value
+     * for the query to resolve to.
+     */
+    transform<MappedType>(fn: (doc: ResultType) => MappedType): QueryWithHelpers<MappedType, DocType, THelpers, RawDocType>;
+
+    /** Specifies an `$maxDistance` query condition. When called with one argument, the most recent path passed to `where()` is used. */
+    maxDistance(path: string, val: number): this;
+    maxDistance(val: number): this;
+
+    /** Specifies the maxScan option. */
+    maxScan(val: number): this;
+
+    /**
+     * Sets the [maxTimeMS](https://docs.mongodb.com/manual/reference/method/cursor.maxTimeMS/)
+     * option. This will tell the MongoDB server to abort if the query or write op
+     * has been running for more than `ms` milliseconds.
+     */
+    maxTimeMS(ms: number): this;
+
+    /** Merges another Query or conditions object into this one. */
+    merge(source: Query<any, any> | FilterQuery<DocType>): this;
+
+    /** Specifies a `$mod` condition, filters documents for documents whose `path` property is a number that is equal to `remainder` modulo `divisor`. */
+    mod<K = string>(path: K, val: number): this;
+    mod(val: Array<number>): this;
+
+    /** The model this query was created from */
+    model: typeof Model;
+
+    /**
+     * Getter/setter around the current mongoose-specific options for this query
+     * Below are the current Mongoose-specific options.
+     */
+    mongooseOptions(val?: MongooseQueryOptions): MongooseQueryOptions;
+
+    /** Specifies a `$ne` query condition. When called with one argument, the most recent path passed to `where()` is used. */
+    ne<K = string>(path: K, val: any): this;
+    ne(val: any): this;
+
+    /** Specifies a `$near` or `$nearSphere` condition */
+    near<K = string>(path: K, val: any): this;
+    near(val: any): this;
+
+    /** Specifies an `$nin` query condition. When called with one argument, the most recent path passed to `where()` is used. */
+    nin<K = string>(path: K, val: any[]): this;
+    nin(val: Array<any>): this;
+
+    /** Specifies arguments for an `$nor` condition. */
+    nor(array: Array<FilterQuery<DocType>>): this;
+
+    /** Specifies arguments for an `$or` condition. */
+    or(array: Array<FilterQuery<DocType>>): this;
+
+    /**
+     * Make this query throw an error if no documents match the given `filter`.
+     * This is handy for integrating with async/await, because `orFail()` saves you
+     * an extra `if` statement to check if no document was found.
+     */
+    orFail(err?: NativeError | (() => NativeError)): QueryWithHelpers<NonNullable<ResultType>, DocType, THelpers, RawDocType>;
+
+    /** Specifies a `$polygon` condition */
+    polygon(path: string, ...coordinatePairs: number[][]): this;
+    polygon(...coordinatePairs: number[][]): this;
+
+    /** Specifies paths which should be populated with other documents. */
+    populate<Paths = {}>(path: string | string[], select?: string | any, model?: string | Model<any, THelpers>, match?: any): QueryWithHelpers<UnpackedIntersection<ResultType, Paths>, DocType, THelpers, UnpackedIntersection<RawDocType, Paths>>;
+    populate<Paths = {}>(options: PopulateOptions | (PopulateOptions | string)[]): QueryWithHelpers<UnpackedIntersection<ResultType, Paths>, DocType, THelpers, UnpackedIntersection<RawDocType, Paths>>;
+
+    /** Get/set the current projection (AKA fields). Pass `null` to remove the current projection. */
+    projection(fields?: ProjectionFields<DocType> | string): ProjectionFields<DocType>;
+    projection(fields: null): null;
+    projection(): ProjectionFields<DocType> | null;
+
+    /** Determines the MongoDB nodes from which to read. */
+    read(pref: string | mongodb.ReadPreferenceMode, tags?: any[]): this;
+
+    /** Sets the readConcern option for the query. */
+    readConcern(level: string): this;
+
+    /** Specifies a `$regex` query condition. When called with one argument, the most recent path passed to `where()` is used. */
+    regex<K = string>(path: K, val: RegExp): this;
+    regex(val: string | RegExp): this;
+
+    /**
+     * Declare and/or execute this query as a remove() operation. `remove()` is
+     * deprecated, you should use [`deleteOne()`](#query_Query-deleteOne)
+     * or [`deleteMany()`](#query_Query-deleteMany) instead.
+     */
+    remove(filter?: FilterQuery<DocType>, callback?: Callback<mongodb.UpdateResult>): Query<mongodb.UpdateResult, DocType, THelpers, RawDocType>;
+
+    /**
+     * Declare and/or execute this query as a replaceOne() operation. Same as
+     * `update()`, except MongoDB will replace the existing document and will
+     * not accept any [atomic](https://docs.mongodb.com/manual/tutorial/model-data-for-atomic-operations/#pattern) operators (`$set`, etc.)
+     */
+    replaceOne(filter?: FilterQuery<DocType>, replacement?: DocType | AnyObject, options?: QueryOptions<DocType> | null, callback?: Callback): QueryWithHelpers<any, DocType, THelpers, RawDocType>;
+
+    /** Specifies which document fields to include or exclude (also known as the query "projection") */
+    select(arg: string | any): this;
+
+    /** Determines if field selection has been made. */
+    selected(): boolean;
+
+    /** Determines if exclusive field selection has been made. */
+    selectedExclusively(): boolean;
+
+    /** Determines if inclusive field selection has been made. */
+    selectedInclusively(): boolean;
+
+    /**
+     * Sets the [MongoDB session](https://docs.mongodb.com/manual/reference/server-sessions/)
+     * associated with this query. Sessions are how you mark a query as part of a
+     * [transaction](/docs/transactions.html).
+     */
+    session(session: mongodb.ClientSession | null): this;
+
+    /**
+     * Adds a `$set` to this query's update without changing the operation.
+     * This is useful for query middleware so you can add an update regardless
+     * of whether you use `updateOne()`, `updateMany()`, `findOneAndUpdate()`, etc.
+     */
+    set(path: string | Record<string, unknown>, value?: any): this;
+
+    /** Sets query options. Some options only make sense for certain operations. */
+    setOptions(options: QueryOptions<DocType>, overwrite?: boolean): this;
+
+    /** Sets the query conditions to the provided JSON object. */
+    setQuery(val: FilterQuery<DocType> | null): void;
+
+    setUpdate(update: UpdateQuery<DocType> | UpdateWithAggregationPipeline): void;
+
+    /** Specifies an `$size` query condition. When called with one argument, the most recent path passed to `where()` is used. */
+    size<K = string>(path: K, val: number): this;
+    size(val: number): this;
+
+    /** Specifies the number of documents to skip. */
+    skip(val: number): this;
+
+    /** Specifies a `$slice` projection for an array. */
+    slice(path: string, val: number | Array<number>): this;
+    slice(val: number | Array<number>): this;
+
+    /** Specifies this query as a `snapshot` query. */
+    snapshot(val?: boolean): this;
+
+    /** Sets the sort order. If an object is passed, values allowed are `asc`, `desc`, `ascending`, `descending`, `1`, and `-1`. */
+    sort(arg?: string | { [key: string]: SortOrder | { $meta: 'textScore' } } | undefined | null): this;
+
+    /** Sets the tailable option (for use with capped collections). */
+    tailable(bool?: boolean, opts?: {
+      numberOfRetries?: number;
+      tailableRetryInterval?: number;
+    }): this;
+
+    /**
+     * Executes the query returning a `Promise` which will be
+     * resolved with either the doc(s) or rejected with the error.
+     */
+    then: Promise<ResultType>['then'];
+
+    /** Converts this query to a customized, reusable query constructor with all arguments and options retained. */
+    toConstructor(): typeof this;
+
+    /** Declare and/or execute this query as an update() operation. */
+    update(filter?: FilterQuery<DocType>, update?: UpdateQuery<DocType> | UpdateWithAggregationPipeline, options?: QueryOptions<DocType> | null, callback?: Callback<UpdateWriteOpResult>): QueryWithHelpers<UpdateWriteOpResult, DocType, THelpers, RawDocType>;
+
+    /**
+     * Declare and/or execute this query as an updateMany() operation. Same as
+     * `update()`, except MongoDB will update _all_ documents that match
+     * `filter` (as opposed to just the first one) regardless of the value of
+     * the `multi` option.
+     */
+    updateMany(filter?: FilterQuery<DocType>, update?: UpdateQuery<DocType> | UpdateWithAggregationPipeline, options?: QueryOptions<DocType> | null, callback?: Callback<UpdateWriteOpResult>): QueryWithHelpers<UpdateWriteOpResult, DocType, THelpers, RawDocType>;
+
+    /**
+     * Declare and/or execute this query as an updateOne() operation. Same as
+     * `update()`, except it does not support the `multi` or `overwrite` options.
+     */
+    updateOne(filter?: FilterQuery<DocType>, update?: UpdateQuery<DocType> | UpdateWithAggregationPipeline, options?: QueryOptions<DocType> | null, callback?: Callback<UpdateWriteOpResult>): QueryWithHelpers<UpdateWriteOpResult, DocType, THelpers, RawDocType>;
+
+    /**
+     * Sets the specified number of `mongod` servers, or tag set of `mongod` servers,
+     * that must acknowledge this write before this write is considered successful.
+     */
+    w(val: string | number | null): this;
+
+    /** Specifies a path for use with chaining. */
+    where(path: string, val?: any): this;
+    where(obj: object): this;
+    where(): this;
+
+    /** Defines a `$within` or `$geoWithin` argument for geo-spatial queries. */
+    within(val?: any): this;
+
+    /**
+     * If [`w > 1`](/docs/api.html#query_Query-w), the maximum amount of time to
+     * wait for this write to propagate through the replica set before this
+     * operation fails. The default is `0`, which means no timeout.
+     */
+    wtimeout(ms: number): this;
+  }
+}
diff --git a/node_modules/mongoose/types/schemaoptions.d.ts b/node_modules/mongoose/types/schemaoptions.d.ts
new file mode 100644
index 000000000..1a87a8ccf
--- /dev/null
+++ b/node_modules/mongoose/types/schemaoptions.d.ts
@@ -0,0 +1,217 @@
+declare module 'mongoose' {
+  import mongodb = require('mongodb');
+
+  interface SchemaTimestampsConfig {
+    createdAt?: boolean | string;
+    updatedAt?: boolean | string;
+    currentTime?: () => (NativeDate | number);
+  }
+
+  type TypeKeyBaseType = string;
+
+  type DefaultTypeKey = 'type';
+  interface SchemaOptions<PathTypeKey extends TypeKeyBaseType = DefaultTypeKey, DocType = unknown, TInstanceMethods = {}, QueryHelpers = {}, TStaticMethods = {}, TVirtuals = {}> {
+    /**
+     * By default, Mongoose's init() function creates all the indexes defined in your model's schema by
+     * calling Model.createIndexes() after you successfully connect to MongoDB. If you want to disable
+     * automatic index builds, you can set autoIndex to false.
+     */
+    autoIndex?: boolean;
+    /**
+     * If set to `true`, Mongoose will call Model.createCollection() to create the underlying collection
+     * in MongoDB if autoCreate is set to true. Calling createCollection() sets the collection's default
+     * collation based on the collation option and establishes the collection as a capped collection if
+     * you set the capped schema option.
+     */
+    autoCreate?: boolean;
+    /**
+     * By default, mongoose buffers commands when the connection goes down until the driver manages to reconnect.
+     * To disable buffering, set bufferCommands to false.
+     */
+    bufferCommands?: boolean;
+    /**
+     * If bufferCommands is on, this option sets the maximum amount of time Mongoose buffering will wait before
+     * throwing an error. If not specified, Mongoose will use 10000 (10 seconds).
+     */
+    bufferTimeoutMS?: number;
+    /**
+     * Mongoose supports MongoDBs capped collections. To specify the underlying MongoDB collection be capped, set
+     * the capped option to the maximum size of the collection in bytes.
+     */
+    capped?: boolean | number | { size?: number; max?: number; autoIndexId?: boolean; };
+    /** Sets a default collation for every query and aggregation. */
+    collation?: mongodb.CollationOptions;
+
+    /** The timeseries option to use when creating the model's collection. */
+    timeseries?: mongodb.TimeSeriesCollectionOptions;
+
+    /** The number of seconds after which a document in a timeseries collection expires. */
+    expireAfterSeconds?: number;
+
+    /** The time after which a document in a timeseries collection expires. */
+    expires?: number | string;
+
+    /**
+     * Mongoose by default produces a collection name by passing the model name to the utils.toCollectionName
+     * method. This method pluralizes the name. Set this option if you need a different name for your collection.
+     */
+    collection?: string;
+    /**
+     * When you define a [discriminator](/docs/discriminators.html), Mongoose adds a path to your
+     * schema that stores which discriminator a document is an instance of. By default, Mongoose
+     * adds an `__t` path, but you can set `discriminatorKey` to overwrite this default.
+     *
+     * @default '__t'
+     */
+    discriminatorKey?: string;
+
+    /**
+     * Option for nested Schemas.
+     *
+     * If true, skip building indexes on this schema's path.
+     *
+     * @default false
+     */
+    excludeIndexes?: boolean;
+    /**
+     * Mongoose assigns each of your schemas an id virtual getter by default which returns the document's _id field
+     * cast to a string, or in the case of ObjectIds, its hexString.
+     */
+    id?: boolean;
+    /**
+     * Mongoose assigns each of your schemas an _id field by default if one is not passed into the Schema
+     * constructor. The type assigned is an ObjectId to coincide with MongoDB's default behavior. If you
+     * don't want an _id added to your schema at all, you may disable it using this option.
+     */
+    _id?: boolean;
+    /**
+     * Mongoose will, by default, "minimize" schemas by removing empty objects. This behavior can be
+     * overridden by setting minimize option to false. It will then store empty objects.
+     */
+    minimize?: boolean;
+    /**
+     * Optimistic concurrency is a strategy to ensure the document you're updating didn't change between when you
+     * loaded it using find() or findOne(), and when you update it using save(). Set to `true` to enable
+     * optimistic concurrency.
+     */
+    optimisticConcurrency?: boolean;
+    /**
+     * If `plugin()` called with tags, Mongoose will only apply plugins to schemas that have
+     * a matching tag in `pluginTags`
+     */
+    pluginTags?: string[];
+    /**
+     * Allows setting query#read options at the schema level, providing us a way to apply default ReadPreferences
+     * to all queries derived from a model.
+     */
+    read?: string;
+    /** Allows setting write concern at the schema level. */
+    writeConcern?: WriteConcern;
+    /** defaults to true. */
+    safe?: boolean | { w?: number | string; wtimeout?: number; j?: boolean };
+    /**
+     * The shardKey option is used when we have a sharded MongoDB architecture. Each sharded collection is
+     * given a shard key which must be present in all insert/update operations. We just need to set this
+     * schema option to the same shard key and we'll be all set.
+     */
+    shardKey?: Record<string, unknown>;
+    /**
+     * The strict option, (enabled by default), ensures that values passed to our model constructor that were not
+     * specified in our schema do not get saved to the db.
+     */
+    strict?: boolean | 'throw';
+    /**
+     * equal to `strict` by default, may be `false`, `true`, or `'throw'`. Sets the default
+     * [strictQuery](https://mongoosejs.com/docs/guide.html#strictQuery) mode for schemas.
+     */
+    strictQuery?: boolean | 'throw';
+    /** Exactly the same as the toObject option but only applies when the document's toJSON method is called. */
+    toJSON?: ToObjectOptions;
+    /**
+     * Documents have a toObject method which converts the mongoose document into a plain JavaScript object.
+     * This method accepts a few options. Instead of applying these options on a per-document basis, we may
+     * declare the options at the schema level and have them applied to all of the schema's documents by
+     * default.
+     */
+    toObject?: ToObjectOptions;
+    /**
+     * By default, if you have an object with key 'type' in your schema, mongoose will interpret it as a
+     * type declaration. However, for applications like geoJSON, the 'type' property is important. If you want to
+     * control which key mongoose uses to find type declarations, set the 'typeKey' schema option.
+     */
+    typeKey?: PathTypeKey;
+
+    /**
+     * By default, documents are automatically validated before they are saved to the database. This is to
+     * prevent saving an invalid document. If you want to handle validation manually, and be able to save
+     * objects which don't pass validation, you can set validateBeforeSave to false.
+     */
+    validateBeforeSave?: boolean;
+    /**
+     * The versionKey is a property set on each document when first created by Mongoose. This keys value
+     * contains the internal revision of the document. The versionKey option is a string that represents
+     * the path to use for versioning. The default is '__v'.
+     *
+     * @default '__v'
+     */
+    versionKey?: string | boolean;
+    /**
+     * By default, Mongoose will automatically select() any populated paths for you, unless you explicitly exclude them.
+     *
+     * @default true
+     */
+    selectPopulatedPaths?: boolean;
+    /**
+     * skipVersioning allows excluding paths from versioning (i.e., the internal revision will not be
+     * incremented even if these paths are updated). DO NOT do this unless you know what you're doing.
+     * For subdocuments, include this on the parent document using the fully qualified path.
+     */
+    skipVersioning?: { [key: string]: boolean; };
+    /**
+     * Validation errors in a single nested schema are reported
+     * both on the child and on the parent schema.
+     * Set storeSubdocValidationError to false on the child schema
+     * to make Mongoose only report the parent error.
+     */
+    storeSubdocValidationError?: boolean;
+    /**
+     * The timestamps option tells mongoose to assign createdAt and updatedAt fields to your schema. The type
+     * assigned is Date. By default, the names of the fields are createdAt and updatedAt. Customize the
+     * field names by setting timestamps.createdAt and timestamps.updatedAt.
+     */
+    timestamps?: boolean | SchemaTimestampsConfig;
+
+    /**
+     * Using `save`, `isNew`, and other Mongoose reserved names as schema path names now triggers a warning, not an error.
+     * You can suppress the warning by setting { supressReservedKeysWarning: true } schema options. Keep in mind that this
+     * can break plugins that rely on these reserved names.
+     */
+    supressReservedKeysWarning?: boolean,
+
+    /**
+     * Model Statics methods.
+     */
+    statics?: Record<any, (this: Model<DocType>, ...args: any) => unknown> | TStaticMethods,
+
+    /**
+     * Document instance methods.
+     */
+    methods?: Record<any, (this: HydratedDocument<DocType>, ...args: any) => unknown> | TInstanceMethods,
+
+    /**
+     * Query helper functions.
+     */
+    query?: Record<any, <T extends QueryWithHelpers<unknown, DocType>>(this: T, ...args: any) => T> | QueryHelpers,
+
+    /**
+     * Set whether to cast non-array values to arrays.
+     * @default true
+     */
+    castNonArrays?: boolean;
+
+    /**
+     * Virtual paths.
+     */
+    virtuals?: SchemaOptionsVirtualsPropertyType<DocType, TVirtuals, TInstanceMethods>,
+  }
+}
diff --git a/node_modules/mongoose/types/schematypes.d.ts b/node_modules/mongoose/types/schematypes.d.ts
new file mode 100644
index 000000000..78ebd5ff5
--- /dev/null
+++ b/node_modules/mongoose/types/schematypes.d.ts
@@ -0,0 +1,427 @@
+declare module 'mongoose' {
+
+  /** The Mongoose Date [SchemaType](/docs/schematypes.html). */
+  type Date = Schema.Types.Date;
+
+  /**
+   * The Mongoose Decimal128 [SchemaType](/docs/schematypes.html). Used for
+   * declaring paths in your schema that should be
+   * [128-bit decimal floating points](http://thecodebarbarian.com/a-nodejs-perspective-on-mongodb-34-decimal.html).
+   * Do not use this to create a new Decimal128 instance, use `mongoose.Types.Decimal128`
+   * instead.
+   */
+  type Decimal128 = Schema.Types.Decimal128;
+
+  /**
+   * The Mongoose Mixed [SchemaType](/docs/schematypes.html). Used for
+   * declaring paths in your schema that Mongoose's change tracking, casting,
+   * and validation should ignore.
+   */
+  type Mixed = Schema.Types.Mixed;
+
+  /**
+   * The Mongoose Number [SchemaType](/docs/schematypes.html). Used for
+   * declaring paths in your schema that Mongoose should cast to numbers.
+   */
+  type Number = Schema.Types.Number;
+
+  /**
+   * The Mongoose ObjectId [SchemaType](/docs/schematypes.html). Used for
+   * declaring paths in your schema that should be
+   * [MongoDB ObjectIds](https://docs.mongodb.com/manual/reference/method/ObjectId/).
+   * Do not use this to create a new ObjectId instance, use `mongoose.Types.ObjectId`
+   * instead.
+   */
+  type ObjectId = Schema.Types.ObjectId;
+
+  /** The various Mongoose SchemaTypes. */
+  const SchemaTypes: typeof Schema.Types;
+
+  type DefaultType<T> = T extends Schema.Types.Mixed ? any : Partial<ExtractMongooseArray<T>>;
+
+  class SchemaTypeOptions<T> {
+    type?:
+    T extends string ? StringSchemaDefinition :
+      T extends number ? NumberSchemaDefinition :
+        T extends boolean ? BooleanSchemaDefinition :
+          T extends NativeDate ? DateSchemaDefinition :
+            T extends Map<any, any> ? SchemaDefinition<typeof Map> :
+              T extends Buffer ? SchemaDefinition<typeof Buffer> :
+                T extends Types.ObjectId ? ObjectIdSchemaDefinition :
+                  T extends Types.ObjectId[] ? AnyArray<ObjectIdSchemaDefinition> | AnyArray<SchemaTypeOptions<ObjectId>> :
+                    T extends object[] ? (AnyArray<Schema<any, any, any>> | AnyArray<SchemaDefinition<Unpacked<T>>> | AnyArray<SchemaTypeOptions<Unpacked<T>>>) :
+                      T extends string[] ? AnyArray<StringSchemaDefinition> | AnyArray<SchemaTypeOptions<string>> :
+                        T extends number[] ? AnyArray<NumberSchemaDefinition> | AnyArray<SchemaTypeOptions<number>> :
+                          T extends boolean[] ? AnyArray<BooleanSchemaDefinition> | AnyArray<SchemaTypeOptions<boolean>> :
+                            T extends Function[] ? AnyArray<Function | string> | AnyArray<SchemaTypeOptions<Unpacked<T>>> :
+                              T | typeof SchemaType | Schema<any, any, any> | SchemaDefinition<T> | Function | AnyArray<Function>;
+
+    /** Defines a virtual with the given name that gets/sets this path. */
+    alias?: string;
+
+    /** Function or object describing how to validate this schematype. See [validation docs](https://mongoosejs.com/docs/validation.html). */
+    validate?: SchemaValidator<T> | AnyArray<SchemaValidator<T>>;
+
+    /** Allows overriding casting logic for this individual path. If a string, the given string overwrites Mongoose's default cast error message. */
+    cast?: string;
+
+    /**
+     * If true, attach a required validator to this path, which ensures this path
+     * path cannot be set to a nullish value. If a function, Mongoose calls the
+     * function and only checks for nullish values if the function returns a truthy value.
+     */
+    required?: boolean | (() => boolean) | [boolean, string] | [() => boolean, string];
+
+    /**
+     * The default value for this path. If a function, Mongoose executes the function
+     * and uses the return value as the default.
+     */
+    default?: DefaultType<T> | ((this: any, doc: any) => DefaultType<T>) | null;
+
+    /**
+     * The model that `populate()` should use if populating this path.
+     */
+    ref?: string | Model<any> | ((this: any, doc: any) => string | Model<any>);
+
+    /**
+     * The path in the document that `populate()` should use to find the model
+     * to use.
+     */
+
+    refPath?: string | ((this: any, doc: any) => string);
+
+    /**
+     * Whether to include or exclude this path by default when loading documents
+     * using `find()`, `findOne()`, etc.
+     */
+    select?: boolean | number;
+
+    /**
+     * If [truthy](https://masteringjs.io/tutorials/fundamentals/truthy), Mongoose will
+     * build an index on this path when the model is compiled.
+     */
+    index?: boolean | number | IndexOptions | '2d' | '2dsphere' | 'hashed' | 'text';
+
+    /**
+     * If [truthy](https://masteringjs.io/tutorials/fundamentals/truthy), Mongoose
+     * will build a unique index on this path when the
+     * model is compiled. [The `unique` option is **not** a validator](/docs/validation.html#the-unique-option-is-not-a-validator).
+     */
+    unique?: boolean | number;
+
+    /**
+     * If [truthy](https://masteringjs.io/tutorials/fundamentals/truthy), Mongoose will
+     * disallow changes to this path once the document is saved to the database for the first time. Read more
+     * about [immutability in Mongoose here](http://thecodebarbarian.com/whats-new-in-mongoose-5-6-immutable-properties.html).
+     */
+    immutable?: boolean | ((this: any, doc: any) => boolean);
+
+    /**
+     * If [truthy](https://masteringjs.io/tutorials/fundamentals/truthy), Mongoose will
+     * build a sparse index on this path.
+     */
+    sparse?: boolean | number;
+
+    /**
+     * If [truthy](https://masteringjs.io/tutorials/fundamentals/truthy), Mongoose
+     * will build a text index on this path.
+     */
+    text?: boolean | number | any;
+
+    /**
+     * Define a transform function for this individual schema type.
+     * Only called when calling `toJSON()` or `toObject()`.
+     */
+    transform?: (this: any, val: T) => any;
+
+    /** defines a custom getter for this property using [`Object.defineProperty()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty). */
+    get?: (value: any, doc?: this) => T | undefined;
+
+    /** defines a custom setter for this property using [`Object.defineProperty()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty). */
+    set?: (value: any, priorVal?: T, doc?: this) => any;
+
+    /** array of allowed values for this path. Allowed for strings, numbers, and arrays of strings */
+    enum?: Array<string | number | null> | ReadonlyArray<string | number | null> | { values: Array<string | number | null> | ReadonlyArray<string | number | null>, message?: string } | { [path: string]: string | number | null };
+
+    /** The default [subtype](http://bsonspec.org/spec.html) associated with this buffer when it is stored in MongoDB. Only allowed for buffer paths */
+    subtype?: number;
+
+    /** The minimum value allowed for this path. Only allowed for numbers and dates. */
+    min?: number | NativeDate | [number, string] | [NativeDate, string] | readonly [number, string] | readonly [NativeDate, string];
+
+    /** The maximum value allowed for this path. Only allowed for numbers and dates. */
+    max?: number | NativeDate | [number, string] | [NativeDate, string] | readonly [number, string] | readonly [NativeDate, string];
+
+    /** Defines a TTL index on this path. Only allowed for dates. */
+    expires?: string | number;
+
+    /** If `true`, Mongoose will skip gathering indexes on subpaths. Only allowed for subdocuments and subdocument arrays. */
+    excludeIndexes?: boolean;
+
+    /** If set, overrides the child schema's `_id` option. Only allowed for subdocuments and subdocument arrays. */
+    _id?: boolean;
+
+    /** If set, specifies the type of this map's values. Mongoose will cast this map's values to the given type. */
+    of?: Function | SchemaDefinitionProperty<any>;
+
+    /** If true, uses Mongoose's default `_id` settings. Only allowed for ObjectIds */
+    auto?: boolean;
+
+    /** Attaches a validator that succeeds if the data string matches the given regular expression, and fails otherwise. */
+    match?: RegExp | [RegExp, string] | readonly [RegExp, string];
+
+    /** If truthy, Mongoose will add a custom setter that lowercases this string using JavaScript's built-in `String#toLowerCase()`. */
+    lowercase?: boolean;
+
+    /** If truthy, Mongoose will add a custom setter that removes leading and trailing whitespace using JavaScript's built-in `String#trim()`. */
+    trim?: boolean;
+
+    /** If truthy, Mongoose will add a custom setter that uppercases this string using JavaScript's built-in `String#toUpperCase()`. */
+    uppercase?: boolean;
+
+    /** If set, Mongoose will add a custom validator that ensures the given string's `length` is at least the given number. */
+    minlength?: number | [number, string] | readonly [number, string];
+
+    /** If set, Mongoose will add a custom validator that ensures the given string's `length` is at most the given number. */
+    maxlength?: number | [number, string] | readonly [number, string];
+
+    [other: string]: any;
+  }
+
+  class SchemaType<T = any> {
+    /** SchemaType constructor */
+    constructor(path: string, options?: AnyObject, instance?: string);
+
+    /** Get/set the function used to cast arbitrary values to this type. */
+    static cast(caster?: Function | boolean): Function;
+
+    static checkRequired(checkRequired?: (v: any) => boolean): (v: any) => boolean;
+
+    /** Sets a default option for this schema type. */
+    static set(option: string, value: any): void;
+
+    /** Attaches a getter for all instances of this schema type. */
+    static get(getter: (value: any) => any): void;
+
+    /** The class that Mongoose uses internally to instantiate this SchemaType's `options` property. */
+    OptionsConstructor: SchemaTypeOptions<T>;
+
+    /** Cast `val` to this schema type. Each class that inherits from schema type should implement this function. */
+    cast(val: any, doc: Document<any>, init: boolean, prev?: any, options?: any): any;
+
+    /** Sets a default value for this SchemaType. */
+    default(val: any): any;
+
+    /** Adds a getter to this schematype. */
+    get(fn: Function): this;
+
+    /**
+     * Defines this path as immutable. Mongoose prevents you from changing
+     * immutable paths unless the parent document has [`isNew: true`](/docs/api.html#document_Document-isNew).
+     */
+    immutable(bool: boolean): this;
+
+    /** Declares the index options for this schematype. */
+    index(options: any): this;
+
+    /** String representation of what type this is, like 'ObjectID' or 'Number' */
+    instance: string;
+
+    /** True if this SchemaType has a required validator. False otherwise. */
+    isRequired?: boolean;
+
+    /** The options this SchemaType was instantiated with */
+    options: AnyObject;
+
+    /** The path to this SchemaType in a Schema. */
+    path: string;
+
+    /**
+     * Set the model that this path refers to. This is the option that [populate](https://mongoosejs.com/docs/populate.html)
+     * looks at to determine the foreign collection it should query.
+     */
+    ref(ref: string | boolean | Model<any>): this;
+
+    /**
+     * Adds a required validator to this SchemaType. The validator gets added
+     * to the front of this SchemaType's validators array using unshift().
+     */
+    required(required: boolean, message?: string): this;
+
+    /** The schema this SchemaType instance is part of */
+    schema: Schema<any>;
+
+    /** Sets default select() behavior for this path. */
+    select(val: boolean): this;
+
+    /** Adds a setter to this schematype. */
+    set(fn: Function): this;
+
+    /** Declares a sparse index. */
+    sparse(bool: boolean): this;
+
+    /** Declares a full text index. */
+    text(bool: boolean): this;
+
+    /** Defines a custom function for transforming this path when converting a document to JSON. */
+    transform(fn: (value: any) => any): this;
+
+    /** Declares an unique index. */
+    unique(bool: boolean): this;
+
+    /** The validators that Mongoose should run to validate properties at this SchemaType's path. */
+    validators: { message?: string; type?: string; validator?: Function }[];
+
+    /** Adds validator(s) for this document path. */
+    validate(obj: RegExp | Function | any, errorMsg?: string, type?: string): this;
+  }
+
+  namespace Schema {
+    namespace Types {
+      class Array extends SchemaType implements AcceptsDiscriminator {
+        /** This schema type's name, to defend against minifiers that mangle function names. */
+        static schemaName: 'Array';
+
+        static options: { castNonArrays: boolean; };
+
+        discriminator<T, U>(name: string | number, schema: Schema<T, U>, value?: string): U;
+        discriminator<D>(name: string | number, schema: Schema, value?: string): Model<D>;
+
+        /** The schematype embedded in this array */
+        caster?: SchemaType;
+
+        /**
+         * Adds an enum validator if this is an array of strings or numbers. Equivalent to
+         * `SchemaString.prototype.enum()` or `SchemaNumber.prototype.enum()`
+         */
+        enum(vals: string[] | number[]): this;
+      }
+
+      class Boolean extends SchemaType {
+        /** This schema type's name, to defend against minifiers that mangle function names. */
+        static schemaName: 'Boolean';
+
+        /** Configure which values get casted to `true`. */
+        static convertToTrue: Set<any>;
+
+        /** Configure which values get casted to `false`. */
+        static convertToFalse: Set<any>;
+      }
+
+      class Buffer extends SchemaType {
+        /** This schema type's name, to defend against minifiers that mangle function names. */
+        static schemaName: 'Buffer';
+
+        /**
+         * Sets the default [subtype](https://studio3t.com/whats-new/best-practices-uuid-mongodb/)
+         * for this buffer. You can find a [list of allowed subtypes here](http://api.mongodb.com/python/current/api/bson/binary.html).
+         */
+        subtype(subtype: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 128): this;
+      }
+
+      class Date extends SchemaType {
+        /** This schema type's name, to defend against minifiers that mangle function names. */
+        static schemaName: 'Date';
+
+        /** Declares a TTL index (rounded to the nearest second) for _Date_ types only. */
+        expires(when: number | string): this;
+
+        /** Sets a maximum date validator. */
+        max(value: NativeDate, message: string): this;
+
+        /** Sets a minimum date validator. */
+        min(value: NativeDate, message: string): this;
+      }
+
+      class Decimal128 extends SchemaType {
+        /** This schema type's name, to defend against minifiers that mangle function names. */
+        static schemaName: 'Decimal128';
+      }
+
+      class DocumentArray extends SchemaType implements AcceptsDiscriminator {
+        /** This schema type's name, to defend against minifiers that mangle function names. */
+        static schemaName: 'DocumentArray';
+
+        static options: { castNonArrays: boolean; };
+
+        discriminator<D>(name: string | number, schema: Schema, value?: string): Model<D>;
+        discriminator<T, U>(name: string | number, schema: Schema<T, U>, value?: string): U;
+
+        /** The schema used for documents in this array */
+        schema: Schema;
+
+        /** The constructor used for subdocuments in this array */
+        caster?: typeof Types.Subdocument;
+      }
+
+      class Map extends SchemaType {
+        /** This schema type's name, to defend against minifiers that mangle function names. */
+        static schemaName: 'Map';
+      }
+
+      class Mixed extends SchemaType {
+        /** This schema type's name, to defend against minifiers that mangle function names. */
+        static schemaName: 'Mixed';
+      }
+
+      class Number extends SchemaType {
+        /** This schema type's name, to defend against minifiers that mangle function names. */
+        static schemaName: 'Number';
+
+        /** Sets a enum validator */
+        enum(vals: number[]): this;
+
+        /** Sets a maximum number validator. */
+        max(value: number, message: string): this;
+
+        /** Sets a minimum number validator. */
+        min(value: number, message: string): this;
+      }
+
+      class ObjectId extends SchemaType {
+        /** This schema type's name, to defend against minifiers that mangle function names. */
+        static schemaName: 'ObjectId';
+
+        /** Adds an auto-generated ObjectId default if turnOn is true. */
+        auto(turnOn: boolean): this;
+      }
+
+      class Subdocument extends SchemaType implements AcceptsDiscriminator {
+        /** This schema type's name, to defend against minifiers that mangle function names. */
+        static schemaName: string;
+
+        /** The document's schema */
+        schema: Schema;
+
+        discriminator<T, U>(name: string | number, schema: Schema<T, U>, value?: string): U;
+        discriminator<D>(name: string | number, schema: Schema, value?: string): Model<D>;
+      }
+
+      class String extends SchemaType {
+        /** This schema type's name, to defend against minifiers that mangle function names. */
+        static schemaName: 'String';
+
+        /** Adds an enum validator */
+        enum(vals: string[] | any): this;
+
+        /** Adds a lowercase [setter](http://mongoosejs.com/docs/api.html#schematype_SchemaType-set). */
+        lowercase(shouldApply?: boolean): this;
+
+        /** Sets a regexp validator. */
+        match(value: RegExp, message: string): this;
+
+        /** Sets a maximum length validator. */
+        maxlength(value: number, message: string): this;
+
+        /** Sets a minimum length validator. */
+        minlength(value: number, message: string): this;
+
+        /** Adds a trim [setter](http://mongoosejs.com/docs/api.html#schematype_SchemaType-set). */
+        trim(shouldTrim?: boolean): this;
+
+        /** Adds an uppercase [setter](http://mongoosejs.com/docs/api.html#schematype_SchemaType-set). */
+        uppercase(shouldApply?: boolean): this;
+      }
+    }
+  }
+}
diff --git a/node_modules/mongoose/types/session.d.ts b/node_modules/mongoose/types/session.d.ts
new file mode 100644
index 000000000..19339ea96
--- /dev/null
+++ b/node_modules/mongoose/types/session.d.ts
@@ -0,0 +1,36 @@
+declare module 'mongoose' {
+  import mongodb = require('mongodb');
+
+  type ClientSessionOptions = mongodb.ClientSessionOptions;
+  type ClientSession = mongodb.ClientSession;
+
+  /**
+   * _Requires MongoDB >= 3.6.0._ Starts a [MongoDB session](https://docs.mongodb.com/manual/release-notes/3.6/#client-sessions)
+   * for benefits like causal consistency, [retryable writes](https://docs.mongodb.com/manual/core/retryable-writes/),
+   * and [transactions](http://thecodebarbarian.com/a-node-js-perspective-on-mongodb-4-transactions.html).
+   */
+  function startSession(options: ClientSessionOptions | undefined | null, callback: Callback<ClientSession>): void;
+  function startSession(callback: Callback<ClientSession>): void;
+  function startSession(options?: ClientSessionOptions): Promise<ClientSession>;
+
+  interface SessionOperation {
+    /** Sets the session. Useful for [transactions](/docs/transactions.html). */
+    session(session: mongodb.ClientSession | null): this;
+  }
+
+  interface SessionStarter {
+
+    /**
+     * Starts a [MongoDB session](https://docs.mongodb.com/manual/release-notes/3.6/#client-sessions)
+     * for benefits like causal consistency, [retryable writes](https://docs.mongodb.com/manual/core/retryable-writes/),
+     * and [transactions](http://thecodebarbarian.com/a-node-js-perspective-on-mongodb-4-transactions.html).
+     */
+    startSession(options: ClientSessionOptions | undefined | null, callback: Callback<ClientSession>): void;
+    startSession(callback: Callback<ClientSession>): void;
+    startSession(options?: ClientSessionOptions): Promise<ClientSession>;
+  }
+
+  interface SessionOption {
+    session?: ClientSession | null;
+  }
+}
diff --git a/node_modules/mongoose/types/types.d.ts b/node_modules/mongoose/types/types.d.ts
new file mode 100644
index 000000000..74f9d82c2
--- /dev/null
+++ b/node_modules/mongoose/types/types.d.ts
@@ -0,0 +1,104 @@
+
+declare module 'mongoose' {
+  import mongodb = require('mongodb');
+
+  class NativeBuffer extends Buffer {}
+
+  namespace Types {
+    class Array<T> extends global.Array<T> {
+      /** Pops the array atomically at most one time per document `save()`. */
+      $pop(): T;
+
+      /** Atomically shifts the array at most one time per document `save()`. */
+      $shift(): T;
+
+      /** Adds values to the array if not already present. */
+      addToSet(...args: any[]): any[];
+
+      isMongooseArray: true;
+
+      /** Pushes items to the array non-atomically. */
+      nonAtomicPush(...args: any[]): number;
+
+      /** Wraps [`Array#push`](https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/push) with proper change tracking. */
+      push(...args: any[]): number;
+
+      /**
+       * Pulls items from the array atomically. Equality is determined by casting
+       * the provided value to an embedded document and comparing using
+       * [the `Document.equals()` function.](./api.html#document_Document-equals)
+       */
+      pull(...args: any[]): this;
+
+      /**
+       * Alias of [pull](#mongoosearray_MongooseArray-pull)
+       */
+      remove(...args: any[]): this;
+
+      /** Sets the casted `val` at index `i` and marks the array modified. */
+      set(index: number, val: T): this;
+
+      /** Atomically shifts the array at most one time per document `save()`. */
+      shift(): T;
+
+      /** Returns a native js Array. */
+      toObject(options?: ToObjectOptions): any;
+      toObject<T>(options?: ToObjectOptions): T;
+
+      /** Wraps [`Array#unshift`](https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/unshift) with proper change tracking. */
+      unshift(...args: any[]): number;
+    }
+
+    class Buffer extends NativeBuffer {
+      /** Sets the subtype option and marks the buffer modified. */
+      subtype(subtype: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 128 | ToObjectOptions): void;
+
+      /** Converts this buffer to its Binary type representation. */
+      toObject(subtype?: 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 128): mongodb.Binary;
+    }
+
+    class Decimal128 extends mongodb.Decimal128 { }
+
+    class DocumentArray<T> extends Types.Array<T extends Types.Subdocument ? T : Types.Subdocument<InferId<T>> & T> {
+      /** DocumentArray constructor */
+      constructor(values: any[]);
+
+      isMongooseDocumentArray: true;
+
+      /** Creates a subdocument casted to this schema. */
+      create(obj: any): T extends Types.Subdocument ? T : Types.Subdocument<InferId<T>> & T;
+
+      /** Searches array items for the first document with a matching _id. */
+      id(id: any): (T extends Types.Subdocument ? T : Types.Subdocument<InferId<T>> & T) | null;
+
+      push(...args: (AnyKeys<T> & AnyObject)[]): number;
+    }
+
+    class Map<V> extends global.Map<string, V> {
+      /** Converts a Mongoose map into a vanilla JavaScript map. */
+      toObject(options?: ToObjectOptions & { flattenMaps?: boolean }): any;
+    }
+
+    class ObjectId extends mongodb.ObjectId {
+      _id: this;
+    }
+
+    class Subdocument<IdType = any> extends Document<IdType> {
+      $isSingleNested: true;
+
+      /** Returns the top level document of this sub-document. */
+      ownerDocument(): Document;
+
+      /** Returns this sub-documents parent document. */
+      parent(): Document;
+
+      /** Returns this sub-documents parent document. */
+      $parent(): Document;
+    }
+
+    class ArraySubdocument<IdType = any> extends Subdocument<IdType> {
+      /** Returns this sub-documents parent array. */
+      parentArray(): Types.DocumentArray<unknown>;
+    }
+  }
+}
diff --git a/node_modules/mongoose/types/utility.d.ts b/node_modules/mongoose/types/utility.d.ts
new file mode 100644
index 000000000..bfc531aa8
--- /dev/null
+++ b/node_modules/mongoose/types/utility.d.ts
@@ -0,0 +1,41 @@
+declare module 'mongoose' {
+
+  type Unpacked<T> = T extends (infer U)[] ?
+    U :
+    T extends ReadonlyArray<infer U> ? U : T;
+
+  type UnpackedIntersection<T, U> = T extends null ? null : T extends (infer A)[]
+    ? (Omit<A, keyof U> & U)[]
+    : keyof U extends never
+      ? T
+      : Omit<T, keyof U> & U;
+
+  type MergeType<A, B> = Omit<A, keyof B> & B;
+
+  /**
+   * @summary Converts Unions to one record "object".
+   * @description It makes intellisense dialog box easier to read as a single object instead of showing that in multiple object unions.
+   * @param {T} T The type to be converted.
+   */
+   type FlatRecord<T> = { [K in keyof T]: T[K] };
+
+   /**
+ * @summary Checks if a type is "Record" or "any".
+ * @description It Helps to check if user has provided schema type "EnforcedDocType"
+ * @param {T} T A generic type to be checked.
+ * @returns true if {@link T} is Record OR false if {@link T} is of any type.
+ */
+type IsItRecordAndNotAny<T> = IfEquals<T, any, false, T extends Record<any, any> ? true : false>;
+
+/**
+ * @summary Checks if two types are identical.
+ * @param {T} T The first type to be compared with {@link U}.
+ * @param {U} U The seconde type to be compared with {@link T}.
+ * @param {Y} Y A type to be returned if {@link T} &  {@link U} are identical.
+ * @param {N} N A type to be returned if {@link T} &  {@link U} are not identical.
+ */
+type IfEquals<T, U, Y = true, N = false> =
+    (<G>() => G extends T ? 1 : 0) extends
+    (<G>() => G extends U ? 1 : 0) ? Y : N;
+
+}
diff --git a/node_modules/mongoose/types/validation.d.ts b/node_modules/mongoose/types/validation.d.ts
new file mode 100644
index 000000000..3e6d0671a
--- /dev/null
+++ b/node_modules/mongoose/types/validation.d.ts
@@ -0,0 +1,32 @@
+declare module 'mongoose' {
+
+  type SchemaValidator<T> = RegExp | [RegExp, string] | Function | [Function, string] | ValidateOpts<T> | ValidateOpts<T>[];
+
+  interface ValidatorProps {
+    path: string;
+    value: any;
+  }
+
+  interface ValidatorMessageFn {
+    (props: ValidatorProps): string;
+  }
+
+  interface ValidateFn<T> {
+    (value: T): boolean;
+  }
+
+  interface LegacyAsyncValidateFn<T> {
+    (value: T, done: (result: boolean) => void): void;
+  }
+
+  interface AsyncValidateFn<T> {
+    (value: any): Promise<boolean>;
+  }
+
+  interface ValidateOpts<T> {
+    msg?: string;
+    message?: string | ValidatorMessageFn;
+    type?: string;
+    validator: ValidateFn<T> | LegacyAsyncValidateFn<T> | AsyncValidateFn<T>;
+  }
+}
diff --git a/node_modules/mongoose/types/virtuals.d.ts b/node_modules/mongoose/types/virtuals.d.ts
new file mode 100644
index 000000000..2ec48a496
--- /dev/null
+++ b/node_modules/mongoose/types/virtuals.d.ts
@@ -0,0 +1,14 @@
+declare module 'mongoose' {
+    type VirtualPathFunctions<DocType = {}, PathValueType = unknown, TInstanceMethods = {}> = {
+      get?: TVirtualPathFN<DocType, PathValueType, TInstanceMethods, PathValueType>;
+      set?: TVirtualPathFN<DocType, PathValueType, TInstanceMethods, void>;
+      options?: VirtualTypeOptions<HydratedDocument<DocType, TInstanceMethods>, DocType>;
+    };
+
+  type TVirtualPathFN<DocType = {}, PathType = unknown, TInstanceMethods = {}, TReturn = unknown> =
+    <T = HydratedDocument<DocType, TInstanceMethods>>(this: Document<any, any, DocType> & DocType, value: PathType, virtual: VirtualType<T>, doc: Document<any, any, DocType> & DocType) => TReturn;
+
+    type SchemaOptionsVirtualsPropertyType<DocType = any, VirtualPaths = Record<any, unknown>, TInstanceMethods = {}> = {
+      [K in keyof VirtualPaths]: VirtualPathFunctions<IsItRecordAndNotAny<DocType> extends true ? DocType : any, VirtualPaths[K], TInstanceMethods>
+    };
+}
diff --git a/node_modules/mpath/.travis.yml b/node_modules/mpath/.travis.yml
new file mode 100644
index 000000000..9bdf212d6
--- /dev/null
+++ b/node_modules/mpath/.travis.yml
@@ -0,0 +1,9 @@
+language: node_js
+node_js:
+  - "4"
+  - "5"
+  - "6"
+  - "7"
+  - "8"
+  - "9"
+  - "10"
diff --git a/node_modules/mpath/History.md b/node_modules/mpath/History.md
new file mode 100644
index 000000000..5235d689d
--- /dev/null
+++ b/node_modules/mpath/History.md
@@ -0,0 +1,88 @@
+0.9.0 / 2022-04-17
+==================
+ * feat: export `stringToParts()`
+
+0.8.4 / 2021-09-01
+==================
+ * fix: throw error if `parts` contains an element that isn't a string or number #13
+
+0.8.3 / 2020-12-30
+==================
+ * fix: use var instead of let/const for Node.js 4.x support
+
+0.8.2 / 2020-12-30
+==================
+ * fix(stringToParts): fall back to legacy treatment for square brackets if square brackets contents aren't a number Automattic/mongoose#9640
+ * chore: add eslint
+
+0.8.1 / 2020-12-10
+==================
+ * fix(stringToParts): handle empty string and trailing dot the same way that `split()` does for backwards compat
+
+0.8.0 / 2020-11-14
+==================
+ * feat: support square bracket indexing for `get()`, `set()`, `has()`, and `unset()`
+
+0.7.0 / 2020-03-24
+==================
+ * BREAKING CHANGE: remove `component.json` #9 [AlexeyGrigorievBoost](https://github.com/AlexeyGrigorievBoost)
+
+0.6.0 / 2019-05-01
+==================
+ * feat: support setting dotted paths within nested arrays
+
+0.5.2 / 2019-04-25
+==================
+ * fix: avoid using subclassed array constructor when doing `map()`
+
+0.5.1 / 2018-08-30
+==================
+ * fix: prevent writing to constructor and prototype as well as __proto__
+
+0.5.0 / 2018-08-30
+==================
+ * BREAKING CHANGE: disallow setting/unsetting __proto__ properties
+ * feat: re-add support for Node < 4 for this release
+
+0.4.1 / 2018-04-08
+==================
+ * fix: allow opting out of weird `$` set behavior re: Automattic/mongoose#6273
+
+0.4.0 / 2018-03-27
+==================
+ * feat: add support for ES6 maps
+ * BREAKING CHANGE: drop support for Node < 4
+
+0.3.0 / 2017-06-05
+==================
+ * feat: add has() and unset() functions
+
+0.2.1 / 2013-03-22
+==================
+
+  * test; added for #5
+  * fix typo that breaks set #5 [Contra](https://github.com/Contra)
+
+0.2.0 / 2013-03-15
+==================
+
+  * added; adapter support for set
+  * added; adapter support for get
+  * add basic benchmarks
+  * add support for using module as a component #2 [Contra](https://github.com/Contra)
+
+0.1.1 / 2012-12-21
+==================
+
+  * added; map support
+
+0.1.0 / 2012-12-13
+==================
+
+  * added; set('array.property', val, object) support
+  * added; get('array.property', object) support
+
+0.0.1 / 2012-11-03
+==================
+
+  * initial release
diff --git a/node_modules/mpath/LICENSE b/node_modules/mpath/LICENSE
new file mode 100644
index 000000000..38c529daa
--- /dev/null
+++ b/node_modules/mpath/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2012 [Aaron Heckmann](aaron.heckmann+github@gmail.com)
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/mpath/README.md b/node_modules/mpath/README.md
new file mode 100644
index 000000000..9831dd066
--- /dev/null
+++ b/node_modules/mpath/README.md
@@ -0,0 +1,278 @@
+#mpath
+
+{G,S}et javascript object values using MongoDB-like path notation.
+
+###Getting
+
+```js
+var mpath = require('mpath');
+
+var obj = {
+    comments: [
+      { title: 'funny' },
+      { title: 'exciting!' }
+    ]
+}
+
+mpath.get('comments.1.title', obj) // 'exciting!'
+```
+
+`mpath.get` supports array property notation as well.
+
+```js
+var obj = {
+    comments: [
+      { title: 'funny' },
+      { title: 'exciting!' }
+    ]
+}
+
+mpath.get('comments.title', obj) // ['funny', 'exciting!']
+```
+
+Array property and indexing syntax, when used together, are very powerful.
+
+```js
+var obj = {
+  array: [
+      { o: { array: [{x: {b: [4,6,8]}}, { y: 10} ] }}
+    , { o: { array: [{x: {b: [1,2,3]}}, { x: {z: 10 }}, { x: 'Turkey Day' }] }}
+    , { o: { array: [{x: {b: null }}, { x: { b: [null, 1]}}] }}
+    , { o: { array: [{x: null }] }}
+    , { o: { array: [{y: 3 }] }}
+    , { o: { array: [3, 0, null] }}
+    , { o: { name: 'ha' }}
+  ];
+}
+
+var found = mpath.get('array.o.array.x.b.1', obj);
+
+console.log(found); // prints..
+
+    [ [6, undefined]
+    , [2, undefined, undefined]
+    , [null, 1]
+    , [null]
+    , [undefined]
+    , [undefined, undefined, undefined]
+    , undefined
+    ]
+
+```
+
+#####Field selection rules:
+
+The following rules are iteratively applied to each `segment` in the passed `path`. For example:
+
+```js
+var path = 'one.two.14'; // path
+'one' // segment 0
+'two' // segment 1
+14    // segment 2
+```
+
+- 1) when value of the segment parent is not an array, return the value of `parent.segment`
+- 2) when value of the segment parent is an array
+  - a) if the segment is an integer, replace the parent array with the value at `parent[segment]`
+  - b) if not an integer, keep the array but replace each array `item` with the value returned from calling `get(remainingSegments, item)` or undefined if falsey.
+
+#####Maps
+
+`mpath.get` also accepts an optional `map` argument which receives each individual found value. The value returned from the `map` function will be used in the original found values place.
+
+```js
+var obj = {
+    comments: [
+      { title: 'funny' },
+      { title: 'exciting!' }
+    ]
+}
+
+mpath.get('comments.title', obj, function (val) {
+  return 'funny' == val
+    ? 'amusing'
+    : val;
+});
+// ['amusing', 'exciting!']
+```
+
+###Setting
+
+```js
+var obj = {
+    comments: [
+      { title: 'funny' },
+      { title: 'exciting!' }
+    ]
+}
+
+mpath.set('comments.1.title', 'hilarious', obj)
+console.log(obj.comments[1].title) // 'hilarious'
+```
+
+`mpath.set` supports the same array property notation as `mpath.get`.
+
+```js
+var obj = {
+    comments: [
+      { title: 'funny' },
+      { title: 'exciting!' }
+    ]
+}
+
+mpath.set('comments.title', ['hilarious', 'fruity'], obj);
+
+console.log(obj); // prints..
+
+  { comments: [
+      { title: 'hilarious' },
+      { title: 'fruity' }
+  ]}
+```
+
+Array property and indexing syntax can be used together also when setting.
+
+```js
+var obj = {
+  array: [
+      { o: { array: [{x: {b: [4,6,8]}}, { y: 10} ] }}
+    , { o: { array: [{x: {b: [1,2,3]}}, { x: {z: 10 }}, { x: 'Turkey Day' }] }}
+    , { o: { array: [{x: {b: null }}, { x: { b: [null, 1]}}] }}
+    , { o: { array: [{x: null }] }}
+    , { o: { array: [{y: 3 }] }}
+    , { o: { array: [3, 0, null] }}
+    , { o: { name: 'ha' }}
+  ]
+}
+
+mpath.set('array.1.o', 'this was changed', obj);
+
+console.log(require('util').inspect(obj, false, 1000)); // prints..
+
+{
+  array: [
+      { o: { array: [{x: {b: [4,6,8]}}, { y: 10} ] }}
+    , { o: 'this was changed' }
+    , { o: { array: [{x: {b: null }}, { x: { b: [null, 1]}}] }}
+    , { o: { array: [{x: null }] }}
+    , { o: { array: [{y: 3 }] }}
+    , { o: { array: [3, 0, null] }}
+    , { o: { name: 'ha' }}
+  ];
+}
+
+mpath.set('array.o.array.x', 'this was changed too', obj);
+
+console.log(require('util').inspect(obj, false, 1000)); // prints..
+
+{
+  array: [
+      { o: { array: [{x: 'this was changed too'}, { y: 10, x: 'this was changed too'} ] }}
+    , { o: 'this was changed' }
+    , { o: { array: [{x: 'this was changed too'}, { x: 'this was changed too'}] }}
+    , { o: { array: [{x: 'this was changed too'}] }}
+    , { o: { array: [{x: 'this was changed too', y: 3 }] }}
+    , { o: { array: [3, 0, null] }}
+    , { o: { name: 'ha' }}
+  ];
+}
+```
+
+####Setting arrays
+
+By default, setting a property within an array to another array results in each element of the new array being set to the item in the destination array at the matching index. An example is helpful.
+
+```js
+var obj = {
+    comments: [
+      { title: 'funny' },
+      { title: 'exciting!' }
+    ]
+}
+
+mpath.set('comments.title', ['hilarious', 'fruity'], obj);
+
+console.log(obj); // prints..
+
+  { comments: [
+      { title: 'hilarious' },
+      { title: 'fruity' }
+  ]}
+```
+
+If we do not desire this destructuring-like assignment behavior we may instead specify the `$` operator in the path being set to force the array to be copied directly.
+
+```js
+var obj = {
+    comments: [
+      { title: 'funny' },
+      { title: 'exciting!' }
+    ]
+}
+
+mpath.set('comments.$.title', ['hilarious', 'fruity'], obj);
+
+console.log(obj); // prints..
+
+  { comments: [
+      { title: ['hilarious', 'fruity'] },
+      { title: ['hilarious', 'fruity'] }
+  ]}
+```
+
+####Field assignment rules
+
+The rules utilized mirror those used on `mpath.get`, meaning we can take values returned from `mpath.get`, update them, and reassign them using `mpath.set`. Note that setting nested arrays of arrays can get unweildy quickly. Check out the [tests](https://github.com/aheckmann/mpath/blob/master/test/index.js) for more extreme examples.
+
+#####Maps
+
+`mpath.set` also accepts an optional `map` argument which receives each individual value being set. The value returned from the `map` function will be used in the original values place.
+
+```js
+var obj = {
+    comments: [
+      { title: 'funny' },
+      { title: 'exciting!' }
+    ]
+}
+
+mpath.set('comments.title', ['hilarious', 'fruity'], obj, function (val) {
+  return val.length;
+});
+
+console.log(obj); // prints..
+
+  { comments: [
+      { title: 9 },
+      { title: 6 }
+  ]}
+```
+
+### Custom object types
+
+Sometimes you may want to enact the same functionality on custom object types that store all their real data internally, say for an ODM type object. No fear, `mpath` has you covered. Simply pass the name of the property being used to store the internal data and it will be traversed instead:
+
+```js
+var mpath = require('mpath');
+
+var obj = {
+    comments: [
+      { title: 'exciting!', _doc: { title: 'great!' }}
+    ]
+}
+
+mpath.get('comments.0.title', obj, '_doc')            // 'great!'
+mpath.set('comments.0.title', 'nov 3rd', obj, '_doc')
+mpath.get('comments.0.title', obj, '_doc')            // 'nov 3rd'
+mpath.get('comments.0.title', obj)                    // 'exciting'
+```
+
+When used with a `map`, the `map` argument comes last.
+
+```js
+mpath.get(path, obj, '_doc', map);
+mpath.set(path, val, obj, '_doc', map);
+```
+
+[LICENSE](https://github.com/aheckmann/mpath/blob/master/LICENSE)
+
diff --git a/node_modules/mpath/SECURITY.md b/node_modules/mpath/SECURITY.md
new file mode 100644
index 000000000..1c916a34f
--- /dev/null
+++ b/node_modules/mpath/SECURITY.md
@@ -0,0 +1,5 @@
+# Reporting a Vulnerability
+
+Please report suspected security vulnerabilities to val [at] karpov [dot] io.
+You will receive a response from us within 72 hours.
+If the issue is confirmed, we will release a patch as soon as possible depending on complexity.
diff --git a/node_modules/mpath/index.js b/node_modules/mpath/index.js
new file mode 100644
index 000000000..47c17cdc8
--- /dev/null
+++ b/node_modules/mpath/index.js
@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = exports = require('./lib');
diff --git a/node_modules/mpath/lib/index.js b/node_modules/mpath/lib/index.js
new file mode 100644
index 000000000..3f21cdc8d
--- /dev/null
+++ b/node_modules/mpath/lib/index.js
@@ -0,0 +1,336 @@
+/* eslint strict:off */
+/* eslint no-var: off */
+/* eslint no-redeclare: off */
+
+var stringToParts = require('./stringToParts');
+
+// These properties are special and can open client libraries to security
+// issues
+var ignoreProperties = ['__proto__', 'constructor', 'prototype'];
+
+/**
+ * Returns the value of object `o` at the given `path`.
+ *
+ * ####Example:
+ *
+ *     var obj = {
+ *         comments: [
+ *             { title: 'exciting!', _doc: { title: 'great!' }}
+ *           , { title: 'number dos' }
+ *         ]
+ *     }
+ *
+ *     mpath.get('comments.0.title', o)         // 'exciting!'
+ *     mpath.get('comments.0.title', o, '_doc') // 'great!'
+ *     mpath.get('comments.title', o)           // ['exciting!', 'number dos']
+ *
+ *     // summary
+ *     mpath.get(path, o)
+ *     mpath.get(path, o, special)
+ *     mpath.get(path, o, map)
+ *     mpath.get(path, o, special, map)
+ *
+ * @param {String} path
+ * @param {Object} o
+ * @param {String} [special] When this property name is present on any object in the path, walking will continue on the value of this property.
+ * @param {Function} [map] Optional function which receives each individual found value. The value returned from `map` is used in the original values place.
+ */
+
+exports.get = function(path, o, special, map) {
+  var lookup;
+
+  if ('function' == typeof special) {
+    if (special.length < 2) {
+      map = special;
+      special = undefined;
+    } else {
+      lookup = special;
+      special = undefined;
+    }
+  }
+
+  map || (map = K);
+
+  var parts = 'string' == typeof path
+    ? stringToParts(path)
+    : path;
+
+  if (!Array.isArray(parts)) {
+    throw new TypeError('Invalid `path`. Must be either string or array');
+  }
+
+  var obj = o,
+      part;
+
+  for (var i = 0; i < parts.length; ++i) {
+    part = parts[i];
+    if (typeof parts[i] !== 'string' && typeof parts[i] !== 'number') {
+      throw new TypeError('Each segment of path to `get()` must be a string or number, got ' + typeof parts[i]);
+    }
+
+    if (Array.isArray(obj) && !/^\d+$/.test(part)) {
+      // reading a property from the array items
+      var paths = parts.slice(i);
+
+      // Need to `concat()` to avoid `map()` calling a constructor of an array
+      // subclass
+      return [].concat(obj).map(function(item) {
+        return item
+          ? exports.get(paths, item, special || lookup, map)
+          : map(undefined);
+      });
+    }
+
+    if (lookup) {
+      obj = lookup(obj, part);
+    } else {
+      var _from = special && obj[special] ? obj[special] : obj;
+      obj = _from instanceof Map ?
+        _from.get(part) :
+        _from[part];
+    }
+
+    if (!obj) return map(obj);
+  }
+
+  return map(obj);
+};
+
+/**
+ * Returns true if `in` returns true for every piece of the path
+ *
+ * @param {String} path
+ * @param {Object} o
+ */
+
+exports.has = function(path, o) {
+  var parts = typeof path === 'string' ?
+    stringToParts(path) :
+    path;
+
+  if (!Array.isArray(parts)) {
+    throw new TypeError('Invalid `path`. Must be either string or array');
+  }
+
+  var len = parts.length;
+  var cur = o;
+  for (var i = 0; i < len; ++i) {
+    if (typeof parts[i] !== 'string' && typeof parts[i] !== 'number') {
+      throw new TypeError('Each segment of path to `has()` must be a string or number, got ' + typeof parts[i]);
+    }
+    if (cur == null || typeof cur !== 'object' || !(parts[i] in cur)) {
+      return false;
+    }
+    cur = cur[parts[i]];
+  }
+
+  return true;
+};
+
+/**
+ * Deletes the last piece of `path`
+ *
+ * @param {String} path
+ * @param {Object} o
+ */
+
+exports.unset = function(path, o) {
+  var parts = typeof path === 'string' ?
+    stringToParts(path) :
+    path;
+
+  if (!Array.isArray(parts)) {
+    throw new TypeError('Invalid `path`. Must be either string or array');
+  }
+
+  var len = parts.length;
+  var cur = o;
+  for (var i = 0; i < len; ++i) {
+    if (cur == null || typeof cur !== 'object' || !(parts[i] in cur)) {
+      return false;
+    }
+    if (typeof parts[i] !== 'string' && typeof parts[i] !== 'number') {
+      throw new TypeError('Each segment of path to `unset()` must be a string or number, got ' + typeof parts[i]);
+    }
+    // Disallow any updates to __proto__ or special properties.
+    if (ignoreProperties.indexOf(parts[i]) !== -1) {
+      return false;
+    }
+    if (i === len - 1) {
+      delete cur[parts[i]];
+      return true;
+    }
+    cur = cur instanceof Map ? cur.get(parts[i]) : cur[parts[i]];
+  }
+
+  return true;
+};
+
+/**
+ * Sets the `val` at the given `path` of object `o`.
+ *
+ * @param {String} path
+ * @param {Anything} val
+ * @param {Object} o
+ * @param {String} [special] When this property name is present on any object in the path, walking will continue on the value of this property.
+ * @param {Function} [map] Optional function which is passed each individual value before setting it. The value returned from `map` is used in the original values place.
+ */
+
+exports.set = function(path, val, o, special, map, _copying) {
+  var lookup;
+
+  if ('function' == typeof special) {
+    if (special.length < 2) {
+      map = special;
+      special = undefined;
+    } else {
+      lookup = special;
+      special = undefined;
+    }
+  }
+
+  map || (map = K);
+
+  var parts = 'string' == typeof path
+    ? stringToParts(path)
+    : path;
+
+  if (!Array.isArray(parts)) {
+    throw new TypeError('Invalid `path`. Must be either string or array');
+  }
+
+  if (null == o) return;
+
+  for (var i = 0; i < parts.length; ++i) {
+    if (typeof parts[i] !== 'string' && typeof parts[i] !== 'number') {
+      throw new TypeError('Each segment of path to `set()` must be a string or number, got ' + typeof parts[i]);
+    }
+    // Silently ignore any updates to `__proto__`, these are potentially
+    // dangerous if using mpath with unsanitized data.
+    if (ignoreProperties.indexOf(parts[i]) !== -1) {
+      return;
+    }
+  }
+
+  // the existance of $ in a path tells us if the user desires
+  // the copying of an array instead of setting each value of
+  // the array to the one by one to matching positions of the
+  // current array. Unless the user explicitly opted out by passing
+  // false, see Automattic/mongoose#6273
+  var copy = _copying || (/\$/.test(path) && _copying !== false),
+      obj = o,
+      part;
+
+  for (var i = 0, len = parts.length - 1; i < len; ++i) {
+    part = parts[i];
+
+    if ('$' == part) {
+      if (i == len - 1) {
+        break;
+      } else {
+        continue;
+      }
+    }
+
+    if (Array.isArray(obj) && !/^\d+$/.test(part)) {
+      var paths = parts.slice(i);
+      if (!copy && Array.isArray(val)) {
+        for (var j = 0; j < obj.length && j < val.length; ++j) {
+          // assignment of single values of array
+          exports.set(paths, val[j], obj[j], special || lookup, map, copy);
+        }
+      } else {
+        for (var j = 0; j < obj.length; ++j) {
+          // assignment of entire value
+          exports.set(paths, val, obj[j], special || lookup, map, copy);
+        }
+      }
+      return;
+    }
+
+    if (lookup) {
+      obj = lookup(obj, part);
+    } else {
+      var _to = special && obj[special] ? obj[special] : obj;
+      obj = _to instanceof Map ?
+        _to.get(part) :
+        _to[part];
+    }
+
+    if (!obj) return;
+  }
+
+  // process the last property of the path
+
+  part = parts[len];
+
+  // use the special property if exists
+  if (special && obj[special]) {
+    obj = obj[special];
+  }
+
+  // set the value on the last branch
+  if (Array.isArray(obj) && !/^\d+$/.test(part)) {
+    if (!copy && Array.isArray(val)) {
+      _setArray(obj, val, part, lookup, special, map);
+    } else {
+      for (var j = 0; j < obj.length; ++j) {
+        var item = obj[j];
+        if (item) {
+          if (lookup) {
+            lookup(item, part, map(val));
+          } else {
+            if (item[special]) item = item[special];
+            item[part] = map(val);
+          }
+        }
+      }
+    }
+  } else {
+    if (lookup) {
+      lookup(obj, part, map(val));
+    } else if (obj instanceof Map) {
+      obj.set(part, map(val));
+    } else {
+      obj[part] = map(val);
+    }
+  }
+};
+
+/*!
+ * Split a string path into components delimited by '.' or
+ * '[\d+]'
+ *
+ * #### Example:
+ *     stringToParts('foo[0].bar.1'); // ['foo', '0', 'bar', '1']
+ */
+
+exports.stringToParts = stringToParts;
+
+/*!
+ * Recursively set nested arrays
+ */
+
+function _setArray(obj, val, part, lookup, special, map) {
+  for (var item, j = 0; j < obj.length && j < val.length; ++j) {
+    item = obj[j];
+    if (Array.isArray(item) && Array.isArray(val[j])) {
+      _setArray(item, val[j], part, lookup, special, map);
+    } else if (item) {
+      if (lookup) {
+        lookup(item, part, map(val[j]));
+      } else {
+        if (item[special]) item = item[special];
+        item[part] = map(val[j]);
+      }
+    }
+  }
+}
+
+/*!
+ * Returns the value passed to it.
+ */
+
+function K(v) {
+  return v;
+}
diff --git a/node_modules/mpath/lib/stringToParts.js b/node_modules/mpath/lib/stringToParts.js
new file mode 100644
index 000000000..f70f33334
--- /dev/null
+++ b/node_modules/mpath/lib/stringToParts.js
@@ -0,0 +1,48 @@
+'use strict';
+
+module.exports = function stringToParts(str) {
+  const result = [];
+
+  let curPropertyName = '';
+  let state = 'DEFAULT';
+  for (let i = 0; i < str.length; ++i) {
+    // Fall back to treating as property name rather than bracket notation if
+    // square brackets contains something other than a number.
+    if (state === 'IN_SQUARE_BRACKETS' && !/\d/.test(str[i]) && str[i] !== ']') {
+      state = 'DEFAULT';
+      curPropertyName = result[result.length - 1] + '[' + curPropertyName;
+      result.splice(result.length - 1, 1);
+    }
+
+    if (str[i] === '[') {
+      if (state !== 'IMMEDIATELY_AFTER_SQUARE_BRACKETS') {
+        result.push(curPropertyName);
+        curPropertyName = '';
+      }
+      state = 'IN_SQUARE_BRACKETS';
+    } else if (str[i] === ']') {
+      if (state === 'IN_SQUARE_BRACKETS') {
+        state = 'IMMEDIATELY_AFTER_SQUARE_BRACKETS';
+        result.push(curPropertyName);
+        curPropertyName = '';
+      } else {
+        state = 'DEFAULT';
+        curPropertyName += str[i];
+      }
+    } else if (str[i] === '.') {
+      if (state !== 'IMMEDIATELY_AFTER_SQUARE_BRACKETS') {
+        result.push(curPropertyName);
+        curPropertyName = '';
+      }
+      state = 'DEFAULT';
+    } else {
+      curPropertyName += str[i];
+    }
+  }
+
+  if (state !== 'IMMEDIATELY_AFTER_SQUARE_BRACKETS') {
+    result.push(curPropertyName);
+  }
+
+  return result;
+};
\ No newline at end of file
diff --git a/node_modules/mpath/package.json b/node_modules/mpath/package.json
new file mode 100644
index 000000000..6d1242d4e
--- /dev/null
+++ b/node_modules/mpath/package.json
@@ -0,0 +1,144 @@
+{
+  "name": "mpath",
+  "version": "0.9.0",
+  "description": "{G,S}et object values using MongoDB-like path notation",
+  "main": "index.js",
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha test/*"
+  },
+  "engines": {
+    "node": ">=4.0.0"
+  },
+  "repository": "git://github.com/aheckmann/mpath.git",
+  "keywords": [
+    "mongodb",
+    "path",
+    "get",
+    "set"
+  ],
+  "author": "Aaron Heckmann <aaron.heckmann+github@gmail.com>",
+  "license": "MIT",
+  "devDependencies": {
+    "mocha": "5.x",
+    "benchmark": "~1.0.0",
+    "eslint": "7.16.0"
+  },
+  "eslintConfig": {
+    "extends": [
+      "eslint:recommended"
+    ],
+    "parserOptions": {
+      "ecmaVersion": 2015
+    },
+    "env": {
+      "node": true,
+      "es6": true
+    },
+    "rules": {
+      "comma-style": "error",
+      "indent": [
+        "error",
+        2,
+        {
+          "SwitchCase": 1,
+          "VariableDeclarator": 2
+        }
+      ],
+      "keyword-spacing": "error",
+      "no-whitespace-before-property": "error",
+      "no-buffer-constructor": "warn",
+      "no-console": "off",
+      "no-multi-spaces": "error",
+      "no-constant-condition": "off",
+      "func-call-spacing": "error",
+      "no-trailing-spaces": "error",
+      "no-undef": "error",
+      "no-unneeded-ternary": "error",
+      "no-const-assign": "error",
+      "no-useless-rename": "error",
+      "no-dupe-keys": "error",
+      "space-in-parens": [
+        "error",
+        "never"
+      ],
+      "spaced-comment": [
+        "error",
+        "always",
+        {
+          "block": {
+            "markers": [
+              "!"
+            ],
+            "balanced": true
+          }
+        }
+      ],
+      "key-spacing": [
+        "error",
+        {
+          "beforeColon": false,
+          "afterColon": true
+        }
+      ],
+      "comma-spacing": [
+        "error",
+        {
+          "before": false,
+          "after": true
+        }
+      ],
+      "array-bracket-spacing": 1,
+      "arrow-spacing": [
+        "error",
+        {
+          "before": true,
+          "after": true
+        }
+      ],
+      "object-curly-spacing": [
+        "error",
+        "always"
+      ],
+      "comma-dangle": [
+        "error",
+        "never"
+      ],
+      "no-unreachable": "error",
+      "quotes": [
+        "error",
+        "single"
+      ],
+      "quote-props": [
+        "error",
+        "as-needed"
+      ],
+      "semi": "error",
+      "no-extra-semi": "error",
+      "semi-spacing": "error",
+      "no-spaced-func": "error",
+      "no-throw-literal": "error",
+      "space-before-blocks": "error",
+      "space-before-function-paren": [
+        "error",
+        "never"
+      ],
+      "space-infix-ops": "error",
+      "space-unary-ops": "error",
+      "no-var": "warn",
+      "prefer-const": "warn",
+      "strict": [
+        "error",
+        "global"
+      ],
+      "no-restricted-globals": [
+        "error",
+        {
+          "name": "context",
+          "message": "Don't use Mocha's global context"
+        }
+      ],
+      "no-prototype-builtins": "off"
+    }
+  }
+}
diff --git a/node_modules/mpath/test/.eslintrc.yml b/node_modules/mpath/test/.eslintrc.yml
new file mode 100644
index 000000000..c0c68038f
--- /dev/null
+++ b/node_modules/mpath/test/.eslintrc.yml
@@ -0,0 +1,4 @@
+env:
+  mocha: true
+rules:
+  no-unused-vars: off
\ No newline at end of file
diff --git a/node_modules/mpath/test/index.js b/node_modules/mpath/test/index.js
new file mode 100644
index 000000000..ce07b1989
--- /dev/null
+++ b/node_modules/mpath/test/index.js
@@ -0,0 +1,1879 @@
+'use strict';
+
+/**
+ * Test dependencies.
+ */
+
+const mpath = require('../');
+const assert = require('assert');
+
+/**
+ * logging helper
+ */
+
+function log(o) {
+  console.log();
+  console.log(require('util').inspect(o, false, 1000));
+}
+
+/**
+ * special path for override tests
+ */
+
+const special = '_doc';
+
+/**
+ * Tests
+ */
+
+describe('mpath', function() {
+
+  /**
+   * test doc creator
+   */
+
+  function doc() {
+    const o = { first: { second: { third: [3, { name: 'aaron' }, 9] } } };
+    o.comments = [
+      { name: 'one' },
+      { name: 'two', _doc: { name: '2' } },
+      { name: 'three',
+        comments: [{}, { comments: [{ val: 'twoo' }] }],
+        _doc: { name: '3', comments: [{}, { _doc: { comments: [{ val: 2 }] } }] } }
+    ];
+    o.name = 'jiro';
+    o.array = [
+      { o: { array: [{ x: { b: [4, 6, 8] } }, { y: 10 }] } },
+      { o: { array: [{ x: { b: [1, 2, 3] } }, { x: { z: 10 } }, { x: { b: 'hi' } }] } },
+      { o: { array: [{ x: { b: null } }, { x: { b: [null, 1] } }] } },
+      { o: { array: [{ x: null }] } },
+      { o: { array: [{ y: 3 }] } },
+      { o: { array: [3, 0, null] } },
+      { o: { name: 'ha' } }
+    ];
+    o.arr = [
+      { arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+      { yep: true }
+    ];
+    return o;
+  }
+
+  describe('get', function() {
+    const o = doc();
+
+    it('`path` must be a string or array', function(done) {
+      assert.throws(function() {
+        mpath.get({}, o);
+      }, /Must be either string or array/);
+      assert.throws(function() {
+        mpath.get(4, o);
+      }, /Must be either string or array/);
+      assert.throws(function() {
+        mpath.get(function() {}, o);
+      }, /Must be either string or array/);
+      assert.throws(function() {
+        mpath.get(/asdf/, o);
+      }, /Must be either string or array/);
+      assert.throws(function() {
+        mpath.get(Math, o);
+      }, /Must be either string or array/);
+      assert.throws(function() {
+        mpath.get(Buffer, o);
+      }, /Must be either string or array/);
+      assert.doesNotThrow(function() {
+        mpath.get('string', o);
+      });
+      assert.doesNotThrow(function() {
+        mpath.get([], o);
+      });
+      done();
+    });
+
+    describe('without `special`', function() {
+      it('works', function(done) {
+        assert.equal('jiro', mpath.get('name', o));
+
+        assert.deepEqual(
+          { second: { third: [3, { name: 'aaron' }, 9] } }
+          , mpath.get('first', o)
+        );
+
+        assert.deepEqual(
+          { third: [3, { name: 'aaron' }, 9] }
+          , mpath.get('first.second', o)
+        );
+
+        assert.deepEqual(
+          [3, { name: 'aaron' }, 9]
+          , mpath.get('first.second.third', o)
+        );
+
+        assert.deepEqual(
+          3
+          , mpath.get('first.second.third.0', o)
+        );
+
+        assert.deepEqual(
+          9
+          , mpath.get('first.second.third.2', o)
+        );
+
+        assert.deepEqual(
+          { name: 'aaron' }
+          , mpath.get('first.second.third.1', o)
+        );
+
+        assert.deepEqual(
+          'aaron'
+          , mpath.get('first.second.third.1.name', o)
+        );
+
+        assert.deepEqual([
+          { name: 'one' },
+          { name: 'two', _doc: { name: '2' } },
+          { name: 'three',
+            comments: [{}, { comments: [{ val: 'twoo' }] }],
+            _doc: { name: '3', comments: [{}, { _doc: { comments: [{ val: 2 }] } }] } }],
+        mpath.get('comments', o));
+
+        assert.deepEqual({ name: 'one' }, mpath.get('comments.0', o));
+        assert.deepEqual('one', mpath.get('comments.0.name', o));
+        assert.deepEqual('two', mpath.get('comments.1.name', o));
+        assert.deepEqual('three', mpath.get('comments.2.name', o));
+
+        assert.deepEqual([{}, { comments: [{ val: 'twoo' }] }]
+          , mpath.get('comments.2.comments', o));
+
+        assert.deepEqual({ comments: [{ val: 'twoo' }] }
+          , mpath.get('comments.2.comments.1', o));
+
+        assert.deepEqual('twoo', mpath.get('comments.2.comments.1.comments.0.val', o));
+
+        done();
+      });
+
+      it('handles array.property dot-notation', function(done) {
+        assert.deepEqual(
+          ['one', 'two', 'three']
+          , mpath.get('comments.name', o)
+        );
+        done();
+      });
+
+      it('handles array.array notation', function(done) {
+        assert.deepEqual(
+          [undefined, undefined, [{}, { comments: [{ val: 'twoo' }] }]]
+          , mpath.get('comments.comments', o)
+        );
+        done();
+      });
+
+      it('handles prop.prop.prop.arrayProperty notation', function(done) {
+        assert.deepEqual(
+          [undefined, 'aaron', undefined]
+          , mpath.get('first.second.third.name', o)
+        );
+        assert.deepEqual(
+          [1, 'aaron', 1]
+          , mpath.get('first.second.third.name', o, function(v) {
+            return undefined === v ? 1 : v;
+          })
+        );
+        done();
+      });
+
+      it('handles array.prop.array', function(done) {
+        assert.deepEqual(
+          [[{ x: { b: [4, 6, 8] } }, { y: 10 }],
+            [{ x: { b: [1, 2, 3] } }, { x: { z: 10 } }, { x: { b: 'hi' } }],
+            [{ x: { b: null } }, { x: { b: [null, 1] } }],
+            [{ x: null }],
+            [{ y: 3 }],
+            [3, 0, null],
+            undefined
+          ]
+          , mpath.get('array.o.array', o)
+        );
+        done();
+      });
+
+      it('handles array.prop.array.index', function(done) {
+        assert.deepEqual(
+          [{ x: { b: [4, 6, 8] } },
+            { x: { b: [1, 2, 3] } },
+            { x: { b: null } },
+            { x: null },
+            { y: 3 },
+            3,
+            undefined
+          ]
+          , mpath.get('array.o.array.0', o)
+        );
+        done();
+      });
+
+      it('handles array.prop.array.index.prop', function(done) {
+        assert.deepEqual(
+          [{ b: [4, 6, 8] },
+            { b: [1, 2, 3] },
+            { b: null },
+            null,
+            undefined,
+            undefined,
+            undefined
+          ]
+          , mpath.get('array.o.array.0.x', o)
+        );
+        done();
+      });
+
+      it('handles array.prop.array.prop', function(done) {
+        assert.deepEqual(
+          [[undefined, 10],
+            [undefined, undefined, undefined],
+            [undefined, undefined],
+            [undefined],
+            [3],
+            [undefined, undefined, undefined],
+            undefined
+          ]
+          , mpath.get('array.o.array.y', o)
+        );
+        assert.deepEqual(
+          [[{ b: [4, 6, 8] }, undefined],
+            [{ b: [1, 2, 3] }, { z: 10 }, { b: 'hi' }],
+            [{ b: null }, { b: [null, 1] }],
+            [null],
+            [undefined],
+            [undefined, undefined, undefined],
+            undefined
+          ]
+          , mpath.get('array.o.array.x', o)
+        );
+        done();
+      });
+
+      it('handles array.prop.array.prop.prop', function(done) {
+        assert.deepEqual(
+          [[[4, 6, 8], undefined],
+            [[1, 2, 3], undefined, 'hi'],
+            [null, [null, 1]],
+            [null],
+            [undefined],
+            [undefined, undefined, undefined],
+            undefined
+          ]
+          , mpath.get('array.o.array.x.b', o)
+        );
+        done();
+      });
+
+      it('handles array.prop.array.prop.prop.index', function(done) {
+        assert.deepEqual(
+          [[6, undefined],
+            [2, undefined, 'i'], // undocumented feature (string indexing)
+            [null, 1],
+            [null],
+            [undefined],
+            [undefined, undefined, undefined],
+            undefined
+          ]
+          , mpath.get('array.o.array.x.b.1', o)
+        );
+        assert.deepEqual(
+          [[6, 0],
+            [2, 0, 'i'], // undocumented feature (string indexing)
+            [null, 1],
+            [null],
+            [0],
+            [0, 0, 0],
+            0
+          ]
+          , mpath.get('array.o.array.x.b.1', o, function(v) {
+            return undefined === v ? 0 : v;
+          })
+        );
+        done();
+      });
+
+      it('handles array.index.prop.prop', function(done) {
+        assert.deepEqual(
+          [{ x: { b: [1, 2, 3] } }, { x: { z: 10 } }, { x: { b: 'hi' } }]
+          , mpath.get('array.1.o.array', o)
+        );
+        assert.deepEqual(
+          ['hi', 'hi', 'hi']
+          , mpath.get('array.1.o.array', o, function(v) {
+            if (Array.isArray(v)) {
+              return v.map(function(val) {
+                return 'hi';
+              });
+            }
+            return v;
+          })
+        );
+        done();
+      });
+
+      it('handles array.array.index', function(done) {
+        assert.deepEqual(
+          [{ a: { c: 48 } }, undefined]
+          , mpath.get('arr.arr.1', o)
+        );
+        assert.deepEqual(
+          ['woot', undefined]
+          , mpath.get('arr.arr.1', o, function(v) {
+            if (v && v.a && v.a.c) return 'woot';
+            return v;
+          })
+        );
+        done();
+      });
+
+      it('handles array.array.index.prop', function(done) {
+        assert.deepEqual(
+          [{ c: 48 }, 'woot']
+          , mpath.get('arr.arr.1.a', o, function(v) {
+            if (undefined === v) return 'woot';
+            return v;
+          })
+        );
+        assert.deepEqual(
+          [{ c: 48 }, undefined]
+          , mpath.get('arr.arr.1.a', o)
+        );
+        mpath.set('arr.arr.1.a', [{ c: 49 }, undefined], o);
+        assert.deepEqual(
+          [{ c: 49 }, undefined]
+          , mpath.get('arr.arr.1.a', o)
+        );
+        mpath.set('arr.arr.1.a', [{ c: 48 }, undefined], o);
+        done();
+      });
+
+      it('handles array.array.index.prop.prop', function(done) {
+        assert.deepEqual(
+          [48, undefined]
+          , mpath.get('arr.arr.1.a.c', o)
+        );
+        assert.deepEqual(
+          [48, 'woot']
+          , mpath.get('arr.arr.1.a.c', o, function(v) {
+            if (undefined === v) return 'woot';
+            return v;
+          })
+        );
+        done();
+      });
+
+    });
+
+    describe('with `special`', function() {
+      describe('that is a string', function() {
+        it('works', function(done) {
+          assert.equal('jiro', mpath.get('name', o, special));
+
+          assert.deepEqual(
+            { second: { third: [3, { name: 'aaron' }, 9] } }
+            , mpath.get('first', o, special)
+          );
+
+          assert.deepEqual(
+            { third: [3, { name: 'aaron' }, 9] }
+            , mpath.get('first.second', o, special)
+          );
+
+          assert.deepEqual(
+            [3, { name: 'aaron' }, 9]
+            , mpath.get('first.second.third', o, special)
+          );
+
+          assert.deepEqual(
+            3
+            , mpath.get('first.second.third.0', o, special)
+          );
+
+          assert.deepEqual(
+            4
+            , mpath.get('first.second.third.0', o, special, function(v) {
+              return 3 === v ? 4 : v;
+            })
+          );
+
+          assert.deepEqual(
+            9
+            , mpath.get('first.second.third.2', o, special)
+          );
+
+          assert.deepEqual(
+            { name: 'aaron' }
+            , mpath.get('first.second.third.1', o, special)
+          );
+
+          assert.deepEqual(
+            'aaron'
+            , mpath.get('first.second.third.1.name', o, special)
+          );
+
+          assert.deepEqual([
+            { name: 'one' },
+            { name: 'two', _doc: { name: '2' } },
+            { name: 'three',
+              comments: [{}, { comments: [{ val: 'twoo' }] }],
+              _doc: { name: '3', comments: [{}, { _doc: { comments: [{ val: 2 }] } }] } }],
+          mpath.get('comments', o, special));
+
+          assert.deepEqual({ name: 'one' }, mpath.get('comments.0', o, special));
+          assert.deepEqual('one', mpath.get('comments.0.name', o, special));
+          assert.deepEqual('2', mpath.get('comments.1.name', o, special));
+          assert.deepEqual('3', mpath.get('comments.2.name', o, special));
+          assert.deepEqual('nice', mpath.get('comments.2.name', o, special, function(v) {
+            return '3' === v ? 'nice' : v;
+          }));
+
+          assert.deepEqual([{}, { _doc: { comments: [{ val: 2 }] } }]
+            , mpath.get('comments.2.comments', o, special));
+
+          assert.deepEqual({ _doc: { comments: [{ val: 2 }] } }
+            , mpath.get('comments.2.comments.1', o, special));
+
+          assert.deepEqual(2, mpath.get('comments.2.comments.1.comments.0.val', o, special));
+          done();
+        });
+
+        it('handles array.property dot-notation', function(done) {
+          assert.deepEqual(
+            ['one', '2', '3']
+            , mpath.get('comments.name', o, special)
+          );
+          assert.deepEqual(
+            ['one', 2, '3']
+            , mpath.get('comments.name', o, special, function(v) {
+              return '2' === v ? 2 : v;
+            })
+          );
+          done();
+        });
+
+        it('handles array.array notation', function(done) {
+          assert.deepEqual(
+            [undefined, undefined, [{}, { _doc: { comments: [{ val: 2 }] } }]]
+            , mpath.get('comments.comments', o, special)
+          );
+          done();
+        });
+
+        it('handles array.array.index.array', function(done) {
+          assert.deepEqual(
+            [undefined, undefined, [{ val: 2 }]]
+            , mpath.get('comments.comments.1.comments', o, special)
+          );
+          done();
+        });
+
+        it('handles array.array.index.array.prop', function(done) {
+          assert.deepEqual(
+            [undefined, undefined, [2]]
+            , mpath.get('comments.comments.1.comments.val', o, special)
+          );
+          assert.deepEqual(
+            ['nil', 'nil', [2]]
+            , mpath.get('comments.comments.1.comments.val', o, special, function(v) {
+              return undefined === v ? 'nil' : v;
+            })
+          );
+          done();
+        });
+      });
+
+      describe('that is a function', function() {
+        const special = function(obj, key) {
+          return obj[key];
+        };
+
+        it('works', function(done) {
+          assert.equal('jiro', mpath.get('name', o, special));
+
+          assert.deepEqual(
+            { second: { third: [3, { name: 'aaron' }, 9] } }
+            , mpath.get('first', o, special)
+          );
+
+          assert.deepEqual(
+            { third: [3, { name: 'aaron' }, 9] }
+            , mpath.get('first.second', o, special)
+          );
+
+          assert.deepEqual(
+            [3, { name: 'aaron' }, 9]
+            , mpath.get('first.second.third', o, special)
+          );
+
+          assert.deepEqual(
+            3
+            , mpath.get('first.second.third.0', o, special)
+          );
+
+          assert.deepEqual(
+            4
+            , mpath.get('first.second.third.0', o, special, function(v) {
+              return 3 === v ? 4 : v;
+            })
+          );
+
+          assert.deepEqual(
+            9
+            , mpath.get('first.second.third.2', o, special)
+          );
+
+          assert.deepEqual(
+            { name: 'aaron' }
+            , mpath.get('first.second.third.1', o, special)
+          );
+
+          assert.deepEqual(
+            'aaron'
+            , mpath.get('first.second.third.1.name', o, special)
+          );
+
+          assert.deepEqual([
+            { name: 'one' },
+            { name: 'two', _doc: { name: '2' } },
+            { name: 'three',
+              comments: [{}, { comments: [{ val: 'twoo' }] }],
+              _doc: { name: '3', comments: [{}, { _doc: { comments: [{ val: 2 }] } }] } }],
+          mpath.get('comments', o, special));
+
+          assert.deepEqual({ name: 'one' }, mpath.get('comments.0', o, special));
+          assert.deepEqual('one', mpath.get('comments.0.name', o, special));
+          assert.deepEqual('two', mpath.get('comments.1.name', o, special));
+          assert.deepEqual('three', mpath.get('comments.2.name', o, special));
+          assert.deepEqual('nice', mpath.get('comments.2.name', o, special, function(v) {
+            return 'three' === v ? 'nice' : v;
+          }));
+
+          assert.deepEqual([{}, { comments: [{ val: 'twoo' }] }]
+            , mpath.get('comments.2.comments', o, special));
+
+          assert.deepEqual({ comments: [{ val: 'twoo' }] }
+            , mpath.get('comments.2.comments.1', o, special));
+
+          assert.deepEqual('twoo', mpath.get('comments.2.comments.1.comments.0.val', o, special));
+
+          let overide = false;
+          assert.deepEqual('twoo', mpath.get('comments.8.comments.1.comments.0.val', o, function(obj, path) {
+            if (Array.isArray(obj) && 8 == path) {
+              overide = true;
+              return obj[2];
+            }
+            return obj[path];
+          }));
+          assert.ok(overide);
+
+          done();
+        });
+
+        it('in combination with map', function(done) {
+          const special = function(obj, key) {
+            if (Array.isArray(obj)) return obj[key];
+            return obj.mpath;
+          };
+          const map = function(val) {
+            return 'convert' == val
+              ? 'mpath'
+              : val;
+          };
+          const o = { mpath: [{ mpath: 'converse' }, { mpath: 'convert' }] };
+
+          assert.equal('mpath', mpath.get('something.1.kewl', o, special, map));
+          done();
+        });
+      });
+    });
+  });
+
+  describe('set', function() {
+    it('prevents writing to __proto__', function() {
+      const obj = {};
+      mpath.set('__proto__.x', 'foobar', obj);
+      assert.ok(!({}.x));
+
+      mpath.set('constructor.prototype.x', 'foobar', obj);
+      assert.ok(!({}.x));
+    });
+
+    describe('without `special`', function() {
+      const o = doc();
+
+      it('works', function(done) {
+        mpath.set('name', 'a new val', o, function(v) {
+          return 'a new val' === v ? 'changed' : v;
+        });
+        assert.deepEqual('changed', o.name);
+
+        mpath.set('name', 'changed', o);
+        assert.deepEqual('changed', o.name);
+
+        mpath.set('first.second.third', [1, { name: 'x' }, 9], o);
+        assert.deepEqual([1, { name: 'x' }, 9], o.first.second.third);
+
+        mpath.set('first.second.third.1.name', 'y', o);
+        assert.deepEqual([1, { name: 'y' }, 9], o.first.second.third);
+
+        mpath.set('comments.1.name', 'ttwwoo', o);
+        assert.deepEqual({ name: 'ttwwoo', _doc: { name: '2' } }, o.comments[1]);
+
+        mpath.set('comments.2.comments.1.comments.0.expand', 'added', o);
+        assert.deepEqual(
+          { val: 'twoo', expand: 'added' }
+          , o.comments[2].comments[1].comments[0]);
+
+        mpath.set('comments.2.comments.1.comments.2', 'added', o);
+        assert.equal(3, o.comments[2].comments[1].comments.length);
+        assert.deepEqual(
+          { val: 'twoo', expand: 'added' }
+          , o.comments[2].comments[1].comments[0]);
+        assert.deepEqual(
+          undefined
+          , o.comments[2].comments[1].comments[1]);
+        assert.deepEqual(
+          'added'
+          , o.comments[2].comments[1].comments[2]);
+
+        done();
+      });
+
+      describe('array.path', function() {
+        describe('with single non-array value', function() {
+          it('works', function(done) {
+            mpath.set('arr.yep', false, o, function(v) {
+              return false === v ? true : v;
+            });
+            assert.deepEqual([
+              { yep: true, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: true }
+            ], o.arr);
+
+            mpath.set('arr.yep', false, o);
+
+            assert.deepEqual([
+              { yep: false, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: false }
+            ], o.arr);
+
+            done();
+          });
+        });
+        describe('with array of values', function() {
+          it('that are equal in length', function(done) {
+            mpath.set('arr.yep', ['one', 2], o, function(v) {
+              return 'one' === v ? 1 : v;
+            });
+            assert.deepEqual([
+              { yep: 1, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: 2 }
+            ], o.arr);
+            mpath.set('arr.yep', ['one', 2], o);
+
+            assert.deepEqual([
+              { yep: 'one', arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: 2 }
+            ], o.arr);
+
+            done();
+          });
+
+          it('that is less than length', function(done) {
+            mpath.set('arr.yep', [47], o, function(v) {
+              return 47 === v ? 4 : v;
+            });
+            assert.deepEqual([
+              { yep: 4, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: 2 }
+            ], o.arr);
+
+            mpath.set('arr.yep', [47], o);
+            assert.deepEqual([
+              { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: 2 }
+            ], o.arr);
+
+            done();
+          });
+
+          it('that is greater than length', function(done) {
+            mpath.set('arr.yep', [5, 6, 7], o, function(v) {
+              return 5 === v ? 'five' : v;
+            });
+            assert.deepEqual([
+              { yep: 'five', arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: 6 }
+            ], o.arr);
+
+            mpath.set('arr.yep', [5, 6, 7], o);
+            assert.deepEqual([
+              { yep: 5, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: 6 }
+            ], o.arr);
+
+            done();
+          });
+        });
+      });
+
+      describe('array.$.path', function() {
+        describe('with single non-array value', function() {
+          it('copies the value to each item in array', function(done) {
+            mpath.set('arr.$.yep', { xtra: 'double good' }, o, function(v) {
+              return v && v.xtra ? 'hi' : v;
+            });
+            assert.deepEqual([
+              { yep: 'hi', arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: 'hi' }
+            ], o.arr);
+
+            mpath.set('arr.$.yep', { xtra: 'double good' }, o);
+            assert.deepEqual([
+              { yep: { xtra: 'double good' }, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: { xtra: 'double good' } }
+            ], o.arr);
+
+            done();
+          });
+        });
+        describe('with array of values', function() {
+          it('copies the value to each item in array', function(done) {
+            mpath.set('arr.$.yep', [15], o, function(v) {
+              return v.length === 1 ? [] : v;
+            });
+            assert.deepEqual([
+              { yep: [], arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: [] }
+            ], o.arr);
+
+            mpath.set('arr.$.yep', [15], o);
+            assert.deepEqual([
+              { yep: [15], arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: [15] }
+            ], o.arr);
+
+            done();
+          });
+        });
+      });
+
+      describe('array.index.path', function() {
+        it('works', function(done) {
+          mpath.set('arr.1.yep', 0, o, function(v) {
+            return 0 === v ? 'zero' : v;
+          });
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+            { yep: 'zero' }
+          ], o.arr);
+
+          mpath.set('arr.1.yep', 0, o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+            { yep: 0 }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('array.index.array.path', function() {
+        it('with single value', function(done) {
+          mpath.set('arr.0.arr.e', 35, o, function(v) {
+            return 35 === v ? 3 : v;
+          });
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: 47 }, e: 3 }, { a: { c: 48 }, e: 3 }, { d: 'yep', e: 3 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          mpath.set('arr.0.arr.e', 35, o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: 47 }, e: 35 }, { a: { c: 48 }, e: 35 }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          done();
+        });
+        it('with array', function(done) {
+          mpath.set('arr.0.arr.e', ['a', 'b'], o, function(v) {
+            return 'a' === v ? 'x' : v;
+          });
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: 47 }, e: 'x' }, { a: { c: 48 }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          mpath.set('arr.0.arr.e', ['a', 'b'], o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: 47 }, e: 'a' }, { a: { c: 48 }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('array.index.array.path.path', function() {
+        it('with single value', function(done) {
+          mpath.set('arr.0.arr.a.b', 36, o, function(v) {
+            return 36 === v ? 3 : v;
+          });
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: 3 }, e: 'a' }, { a: { c: 48, b: 3 }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          mpath.set('arr.0.arr.a.b', 36, o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: 36 }, e: 'a' }, { a: { c: 48, b: 36 }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          done();
+        });
+        it('with array', function(done) {
+          mpath.set('arr.0.arr.a.b', [1, 2, 3, 4], o, function(v) {
+            return 2 === v ? 'two' : v;
+          });
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: 1 }, e: 'a' }, { a: { c: 48, b: 'two' }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          mpath.set('arr.0.arr.a.b', [1, 2, 3, 4], o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: 1 }, e: 'a' }, { a: { c: 48, b: 2 }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('array.index.array.$.path.path', function() {
+        it('with single value', function(done) {
+          mpath.set('arr.0.arr.$.a.b', '$', o, function(v) {
+            return '$' === v ? 'dolla billz' : v;
+          });
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: 'dolla billz' }, e: 'a' }, { a: { c: 48, b: 'dolla billz' }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          mpath.set('arr.0.arr.$.a.b', '$', o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: '$' }, e: 'a' }, { a: { c: 48, b: '$' }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          done();
+        });
+        it('with array', function(done) {
+          mpath.set('arr.0.arr.$.a.b', [1], o, function(v) {
+            return Array.isArray(v) ? {} : v;
+          });
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: {} }, e: 'a' }, { a: { c: 48, b: {} }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          mpath.set('arr.0.arr.$.a.b', [1], o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: { b: [1] }, e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('array.array.index.path', function() {
+        it('with single value', function(done) {
+          mpath.set('arr.arr.0.a', 'single', o, function(v) {
+            return 'single' === v ? 'double' : v;
+          });
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: 'double', e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          mpath.set('arr.arr.0.a', 'single', o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: 'single', e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          done();
+        });
+        it('with array', function(done) {
+          mpath.set('arr.arr.0.a', [4, 8, 15, 16, 23, 42], o, function(v) {
+            return 4 === v ? 3 : v;
+          });
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: 3, e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: false }
+          ], o.arr);
+
+          mpath.set('arr.arr.0.a', [4, 8, 15, 16, 23, 42], o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: 4, e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: false }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('array.array.$.index.path', function() {
+        it('with single value', function(done) {
+          mpath.set('arr.arr.$.0.a', 'singles', o, function(v) {
+            return 0;
+          });
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: 0, e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          mpath.set('arr.arr.$.0.a', 'singles', o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: 'singles', e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          mpath.set('$.arr.arr.0.a', 'single', o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: 'single', e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          done();
+        });
+        it('with array', function(done) {
+          mpath.set('arr.arr.$.0.a', [4, 8, 15, 16, 23, 42], o, function(v) {
+            return 'nope';
+          });
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: 'nope', e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          mpath.set('arr.arr.$.0.a', [4, 8, 15, 16, 23, 42], o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: [4, 8, 15, 16, 23, 42], e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          mpath.set('arr.$.arr.0.a', [4, 8, 15, 16, 23, 42, 108], o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: [4, 8, 15, 16, 23, 42, 108], e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('array.array.path.index', function() {
+        it('with single value', function(done) {
+          mpath.set('arr.arr.a.7', 47, o, function(v) {
+            return 1;
+          });
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: [4, 8, 15, 16, 23, 42, 108, 1], e: 'a' }, { a: { c: 48, b: [1], 7: 1 }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          mpath.set('arr.arr.a.7', 47, o);
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: [4, 8, 15, 16, 23, 42, 108, 47], e: 'a' }, { a: { c: 48, b: [1], 7: 47 }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0 }
+          ], o.arr);
+
+          done();
+        });
+        it('with array', function(done) {
+          o.arr[1].arr = [{ a: [] }, { a: [] }, { a: null }];
+          mpath.set('arr.arr.a.7', [[null, 46], [undefined, 'woot']], o);
+
+          const a1 = [];
+          const a2 = [];
+          a1[7] = undefined;
+          a2[7] = 'woot';
+
+          assert.deepEqual([
+            { yep: [15], arr: [{ a: [4, 8, 15, 16, 23, 42, 108, null], e: 'a' }, { a: { c: 48, b: [1], 7: 46 }, e: 'b' }, { d: 'yep', e: 35 }] },
+            { yep: 0, arr: [{ a: a1 }, { a: a2 }, { a: null }] }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('handles array.array.path', function() {
+        it('with single', function(done) {
+          o.arr[1].arr = [{}, {}];
+          assert.deepEqual([{}, {}], o.arr[1].arr);
+          o.arr.push({ arr: 'something else' });
+          o.arr.push({ arr: ['something else'] });
+          o.arr.push({ arr: [[]] });
+          o.arr.push({ arr: [5] });
+
+          const weird = [];
+          weird.e = 'xmas';
+
+          // test
+          mpath.set('arr.arr.e', 47, o, function(v) {
+            return 'xmas';
+          });
+          assert.deepEqual([
+            { yep: [15], arr: [
+              { a: [4, 8, 15, 16, 23, 42, 108, null], e: 'xmas' },
+              { a: { c: 48, b: [1], 7: 46 }, e: 'xmas' },
+              { d: 'yep', e: 'xmas' }
+            ]
+            },
+            { yep: 0, arr: [{ e: 'xmas' }, { e: 'xmas' }] },
+            { arr: 'something else' },
+            { arr: ['something else'] },
+            { arr: [weird] },
+            { arr: [5] }
+          ]
+          , o.arr);
+
+          weird.e = 47;
+
+          mpath.set('arr.arr.e', 47, o);
+          assert.deepEqual([
+            { yep: [15], arr: [
+              { a: [4, 8, 15, 16, 23, 42, 108, null], e: 47 },
+              { a: { c: 48, b: [1], 7: 46 }, e: 47 },
+              { d: 'yep', e: 47 }
+            ]
+            },
+            { yep: 0, arr: [{ e: 47 }, { e: 47 }] },
+            { arr: 'something else' },
+            { arr: ['something else'] },
+            { arr: [weird] },
+            { arr: [5] }
+          ]
+          , o.arr);
+
+          done();
+        });
+        it('with arrays', function(done) {
+          mpath.set('arr.arr.e', [[1, 2, 3], [4, 5], null, [], [6], [7, 8, 9]], o, function(v) {
+            return 10;
+          });
+
+          const weird = [];
+          weird.e = 10;
+
+          assert.deepEqual([
+            { yep: [15], arr: [
+              { a: [4, 8, 15, 16, 23, 42, 108, null], e: 10 },
+              { a: { c: 48, b: [1], 7: 46 }, e: 10 },
+              { d: 'yep', e: 10 }
+            ]
+            },
+            { yep: 0, arr: [{ e: 10 }, { e: 10 }] },
+            { arr: 'something else' },
+            { arr: ['something else'] },
+            { arr: [weird] },
+            { arr: [5] }
+          ]
+          , o.arr);
+
+          mpath.set('arr.arr.e', [[1, 2, 3], [4, 5], null, [], [6], [7, 8, 9]], o);
+
+          weird.e = 6;
+
+          assert.deepEqual([
+            { yep: [15], arr: [
+              { a: [4, 8, 15, 16, 23, 42, 108, null], e: 1 },
+              { a: { c: 48, b: [1], 7: 46 }, e: 2 },
+              { d: 'yep', e: 3 }
+            ]
+            },
+            { yep: 0, arr: [{ e: 4 }, { e: 5 }] },
+            { arr: 'something else' },
+            { arr: ['something else'] },
+            { arr: [weird] },
+            { arr: [5] }
+          ]
+          , o.arr);
+
+          done();
+        });
+      });
+    });
+
+    describe('with `special`', function() {
+      const o = doc();
+
+      it('works', function(done) {
+        mpath.set('name', 'chan', o, special, function(v) {
+          return 'hi';
+        });
+        assert.deepEqual('hi', o.name);
+
+        mpath.set('name', 'changer', o, special);
+        assert.deepEqual('changer', o.name);
+
+        mpath.set('first.second.third', [1, { name: 'y' }, 9], o, special);
+        assert.deepEqual([1, { name: 'y' }, 9], o.first.second.third);
+
+        mpath.set('first.second.third.1.name', 'z', o, special);
+        assert.deepEqual([1, { name: 'z' }, 9], o.first.second.third);
+
+        mpath.set('comments.1.name', 'ttwwoo', o, special);
+        assert.deepEqual({ name: 'two', _doc: { name: 'ttwwoo' } }, o.comments[1]);
+
+        mpath.set('comments.2.comments.1.comments.0.expander', 'adder', o, special, function(v) {
+          return 'super';
+        });
+        assert.deepEqual(
+          { val: 2, expander: 'super' }
+          , o.comments[2]._doc.comments[1]._doc.comments[0]);
+
+        mpath.set('comments.2.comments.1.comments.0.expander', 'adder', o, special);
+        assert.deepEqual(
+          { val: 2, expander: 'adder' }
+          , o.comments[2]._doc.comments[1]._doc.comments[0]);
+
+        mpath.set('comments.2.comments.1.comments.2', 'set', o, special);
+        assert.equal(3, o.comments[2]._doc.comments[1]._doc.comments.length);
+        assert.deepEqual(
+          { val: 2, expander: 'adder' }
+          , o.comments[2]._doc.comments[1]._doc.comments[0]);
+        assert.deepEqual(
+          undefined
+          , o.comments[2]._doc.comments[1]._doc.comments[1]);
+        assert.deepEqual(
+          'set'
+          , o.comments[2]._doc.comments[1]._doc.comments[2]);
+        done();
+      });
+
+      describe('array.path', function() {
+        describe('with single non-array value', function() {
+          it('works', function(done) {
+            o.arr[1]._doc = { special: true };
+
+            mpath.set('arr.yep', false, o, special, function(v) {
+              return 'yes';
+            });
+            assert.deepEqual([
+              { yep: 'yes', arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: true, _doc: { special: true, yep: 'yes' } }
+            ], o.arr);
+
+            mpath.set('arr.yep', false, o, special);
+            assert.deepEqual([
+              { yep: false, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: true, _doc: { special: true, yep: false } }
+            ], o.arr);
+
+            done();
+          });
+        });
+        describe('with array of values', function() {
+          it('that are equal in length', function(done) {
+            mpath.set('arr.yep', ['one', 2], o, special, function(v) {
+              return 2 === v ? 20 : v;
+            });
+            assert.deepEqual([
+              { yep: 'one', arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: true, _doc: { special: true, yep: 20 } }
+            ], o.arr);
+
+            mpath.set('arr.yep', ['one', 2], o, special);
+            assert.deepEqual([
+              { yep: 'one', arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: true, _doc: { special: true, yep: 2 } }
+            ], o.arr);
+
+            done();
+          });
+
+          it('that is less than length', function(done) {
+            mpath.set('arr.yep', [47], o, special, function(v) {
+              return 80;
+            });
+            assert.deepEqual([
+              { yep: 80, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: true, _doc: { special: true, yep: 2 } }
+            ], o.arr);
+
+            mpath.set('arr.yep', [47], o, special);
+            assert.deepEqual([
+              { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] },
+              { yep: true, _doc: { special: true, yep: 2 } }
+            ], o.arr);
+
+            // add _doc to first element
+            o.arr[0]._doc = { yep: 46, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] };
+
+            mpath.set('arr.yep', [20], o, special);
+            assert.deepEqual([
+              { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }], _doc: { yep: 20, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] } },
+              { yep: true, _doc: { special: true, yep: 2 } }
+            ], o.arr);
+
+            done();
+          });
+
+          it('that is greater than length', function(done) {
+            mpath.set('arr.yep', [5, 6, 7], o, special, function() {
+              return 'x';
+            });
+            assert.deepEqual([
+              { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }], _doc: { yep: 'x', arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] } },
+              { yep: true, _doc: { special: true, yep: 'x' } }
+            ], o.arr);
+
+            mpath.set('arr.yep', [5, 6, 7], o, special);
+            assert.deepEqual([
+              { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }], _doc: { yep: 5, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] } },
+              { yep: true, _doc: { special: true, yep: 6 } }
+            ], o.arr);
+
+            done();
+          });
+        });
+      });
+
+      describe('array.$.path', function() {
+        describe('with single non-array value', function() {
+          it('copies the value to each item in array', function(done) {
+            mpath.set('arr.$.yep', { xtra: 'double good' }, o, special, function(v) {
+              return 9;
+            });
+            assert.deepEqual([
+              { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+                _doc: { yep: 9, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] } },
+              { yep: true, _doc: { special: true, yep: 9 } }
+            ], o.arr);
+
+            mpath.set('arr.$.yep', { xtra: 'double good' }, o, special);
+            assert.deepEqual([
+              { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+                _doc: { yep: { xtra: 'double good' }, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] } },
+              { yep: true, _doc: { special: true, yep: { xtra: 'double good' } } }
+            ], o.arr);
+
+            done();
+          });
+        });
+        describe('with array of values', function() {
+          it('copies the value to each item in array', function(done) {
+            mpath.set('arr.$.yep', [15], o, special, function(v) {
+              return 'array';
+            });
+            assert.deepEqual([
+              { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+                _doc: { yep: 'array', arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] } },
+              { yep: true, _doc: { special: true, yep: 'array' } }
+            ], o.arr);
+
+            mpath.set('arr.$.yep', [15], o, special);
+            assert.deepEqual([
+              { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+                _doc: { yep: [15], arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] } },
+              { yep: true, _doc: { special: true, yep: [15] } }
+            ], o.arr);
+
+            done();
+          });
+        });
+      });
+
+      describe('array.index.path', function() {
+        it('works', function(done) {
+          mpath.set('arr.1.yep', 0, o, special, function(v) {
+            return 1;
+          });
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] } },
+            { yep: true, _doc: { special: true, yep: 1 } }
+          ], o.arr);
+
+          mpath.set('arr.1.yep', 0, o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('array.index.array.path', function() {
+        it('with single value', function(done) {
+          mpath.set('arr.0.arr.e', 35, o, special, function(v) {
+            return 30;
+          });
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: 47 }, e: 30 }, { a: { c: 48 }, e: 30 }, { d: 'yep', e: 30 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('arr.0.arr.e', 35, o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: 47 }, e: 35 }, { a: { c: 48 }, e: 35 }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          done();
+        });
+        it('with array', function(done) {
+          mpath.set('arr.0.arr.e', ['a', 'b'], o, special, function(v) {
+            return 'a' === v ? 'A' : v;
+          });
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: 47 }, e: 'A' }, { a: { c: 48 }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('arr.0.arr.e', ['a', 'b'], o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: 47 }, e: 'a' }, { a: { c: 48 }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('array.index.array.path.path', function() {
+        it('with single value', function(done) {
+          mpath.set('arr.0.arr.a.b', 36, o, special, function(v) {
+            return 20;
+          });
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: 20 }, e: 'a' }, { a: { c: 48, b: 20 }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('arr.0.arr.a.b', 36, o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: 36 }, e: 'a' }, { a: { c: 48, b: 36 }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          done();
+        });
+        it('with array', function(done) {
+          mpath.set('arr.0.arr.a.b', [1, 2, 3, 4], o, special, function(v) {
+            return v * 2;
+          });
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: 2 }, e: 'a' }, { a: { c: 48, b: 4 }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('arr.0.arr.a.b', [1, 2, 3, 4], o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: 1 }, e: 'a' }, { a: { c: 48, b: 2 }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('array.index.array.$.path.path', function() {
+        it('with single value', function(done) {
+          mpath.set('arr.0.arr.$.a.b', '$', o, special, function(v) {
+            return 'dollaz';
+          });
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: 'dollaz' }, e: 'a' }, { a: { c: 48, b: 'dollaz' }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('arr.0.arr.$.a.b', '$', o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: '$' }, e: 'a' }, { a: { c: 48, b: '$' }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          done();
+        });
+        it('with array', function(done) {
+          mpath.set('arr.0.arr.$.a.b', [1], o, special, function(v) {
+            return {};
+          });
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: {} }, e: 'a' }, { a: { c: 48, b: {} }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('arr.0.arr.$.a.b', [1], o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: { b: [1] }, e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('array.array.index.path', function() {
+        it('with single value', function(done) {
+          mpath.set('arr.arr.0.a', 'single', o, special, function(v) {
+            return 88;
+          });
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: 88, e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('arr.arr.0.a', 'single', o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: 'single', e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          done();
+        });
+        it('with array', function(done) {
+          mpath.set('arr.arr.0.a', [4, 8, 15, 16, 23, 42], o, special, function(v) {
+            return v * 2;
+          });
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: 8, e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('arr.arr.0.a', [4, 8, 15, 16, 23, 42], o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: 4, e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('array.array.$.index.path', function() {
+        it('with single value', function(done) {
+          mpath.set('arr.arr.$.0.a', 'singles', o, special, function(v) {
+            return v.toUpperCase();
+          });
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: 'SINGLES', e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('arr.arr.$.0.a', 'singles', o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: 'singles', e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('$.arr.arr.0.a', 'single', o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: 'single', e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          done();
+        });
+        it('with array', function(done) {
+          mpath.set('arr.arr.$.0.a', [4, 8, 15, 16, 23, 42], o, special, function(v) {
+            return Array;
+          });
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: Array, e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('arr.arr.$.0.a', [4, 8, 15, 16, 23, 42], o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: [4, 8, 15, 16, 23, 42], e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('arr.$.arr.0.a', [4, 8, 15, 16, 23, 42, 108], o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: [4, 8, 15, 16, 23, 42, 108], e: 'a' }, { a: { c: 48, b: [1] }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('array.array.path.index', function() {
+        it('with single value', function(done) {
+          mpath.set('arr.arr.a.7', 47, o, special, function(v) {
+            return Object;
+          });
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: [4, 8, 15, 16, 23, 42, 108, Object], e: 'a' }, { a: { c: 48, b: [1], 7: Object }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('arr.arr.a.7', 47, o, special);
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: [4, 8, 15, 16, 23, 42, 108, 47], e: 'a' }, { a: { c: 48, b: [1], 7: 47 }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { special: true, yep: 0 } }
+          ], o.arr);
+
+          done();
+        });
+        it('with array', function(done) {
+          o.arr[1]._doc.arr = [{ a: [] }, { a: [] }, { a: null }];
+          mpath.set('arr.arr.a.7', [[null, 46], [undefined, 'woot']], o, special, function(v) {
+            return undefined === v ? 'nope' : v;
+          });
+
+          const a1 = [];
+          const a2 = [];
+          a1[7] = 'nope';
+          a2[7] = 'woot';
+
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: [4, 8, 15, 16, 23, 42, 108, null], e: 'a' }, { a: { c: 48, b: [1], 7: 46 }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { arr: [{ a: a1 }, { a: a2 }, { a: null }], special: true, yep: 0 } }
+          ], o.arr);
+
+          mpath.set('arr.arr.a.7', [[null, 46], [undefined, 'woot']], o, special);
+
+          a1[7] = undefined;
+
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: { yep: [15], arr: [{ a: [4, 8, 15, 16, 23, 42, 108, null], e: 'a' }, { a: { c: 48, b: [1], 7: 46 }, e: 'b' }, { d: 'yep', e: 35 }] } },
+            { yep: true, _doc: { arr: [{ a: a1 }, { a: a2 }, { a: null }], special: true, yep: 0 } }
+          ], o.arr);
+
+          done();
+        });
+      });
+
+      describe('handles array.array.path', function() {
+        it('with single', function(done) {
+          o.arr[1]._doc.arr = [{}, {}];
+          assert.deepEqual([{}, {}], o.arr[1]._doc.arr);
+          o.arr.push({ _doc: { arr: 'something else' } });
+          o.arr.push({ _doc: { arr: ['something else'] } });
+          o.arr.push({ _doc: { arr: [[]] } });
+          o.arr.push({ _doc: { arr: [5] } });
+
+          // test
+          mpath.set('arr.arr.e', 47, o, special);
+
+          const weird = [];
+          weird.e = 47;
+
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: {
+                yep: [15],
+                arr: [
+                  { a: [4, 8, 15, 16, 23, 42, 108, null], e: 47 },
+                  { a: { c: 48, b: [1], 7: 46 }, e: 47 },
+                  { d: 'yep', e: 47 }
+                ]
+              }
+            },
+            { yep: true,
+              _doc: {
+                arr: [
+                  { e: 47 },
+                  { e: 47 }
+                ],
+                special: true,
+                yep: 0
+              }
+            },
+            { _doc: { arr: 'something else' } },
+            { _doc: { arr: ['something else'] } },
+            { _doc: { arr: [weird] } },
+            { _doc: { arr: [5] } }
+          ]
+          , o.arr);
+
+          done();
+        });
+        it('with arrays', function(done) {
+          mpath.set('arr.arr.e', [[1, 2, 3], [4, 5], null, [], [6], [7, 8, 9]], o, special);
+
+          const weird = [];
+          weird.e = 6;
+
+          assert.deepEqual([
+            { yep: 47, arr: [{ a: { b: 47 } }, { a: { c: 48 } }, { d: 'yep' }],
+              _doc: {
+                yep: [15],
+                arr: [
+                  { a: [4, 8, 15, 16, 23, 42, 108, null], e: 1 },
+                  { a: { c: 48, b: [1], 7: 46 }, e: 2 },
+                  { d: 'yep', e: 3 }
+                ]
+              }
+            },
+            { yep: true,
+              _doc: {
+                arr: [
+                  { e: 4 },
+                  { e: 5 }
+                ],
+                special: true,
+                yep: 0
+              }
+            },
+            { _doc: { arr: 'something else' } },
+            { _doc: { arr: ['something else'] } },
+            { _doc: { arr: [weird] } },
+            { _doc: { arr: [5] } }
+          ]
+          , o.arr);
+
+          done();
+        });
+      });
+
+      describe('that is a function', function() {
+        describe('without map', function() {
+          it('works on array value', function(done) {
+            const o = { hello: { world: [{ how: 'are' }, { you: '?' }] } };
+            const special = function(obj, key, val) {
+              if (val) {
+                obj[key] = val;
+              } else {
+                return 'thing' == key
+                  ? obj.world
+                  : obj[key];
+              }
+            };
+            mpath.set('hello.thing.how', 'arrrr', o, special);
+            assert.deepEqual(o, { hello: { world: [{ how: 'arrrr' }, { you: '?', how: 'arrrr' }] } });
+            done();
+          });
+          it('works on non-array value', function(done) {
+            const o = { hello: { world: { how: 'are you' } } };
+            const special = function(obj, key, val) {
+              if (val) {
+                obj[key] = val;
+              } else {
+                return 'thing' == key
+                  ? obj.world
+                  : obj[key];
+              }
+            };
+            mpath.set('hello.thing.how', 'RU', o, special);
+            assert.deepEqual(o, { hello: { world: { how: 'RU' } } });
+            done();
+          });
+        });
+        it('works with map', function(done) {
+          const o = { hello: { world: [{ how: 'are' }, { you: '?' }] } };
+          const special = function(obj, key, val) {
+            if (val) {
+              obj[key] = val;
+            } else {
+              return 'thing' == key
+                ? obj.world
+                : obj[key];
+            }
+          };
+          const map = function(val) {
+            return 'convert' == val
+              ? 'ºº'
+              : val;
+          };
+          mpath.set('hello.thing.how', 'convert', o, special, map);
+          assert.deepEqual(o, { hello: { world: [{ how: 'ºº' }, { you: '?', how: 'ºº' }] } });
+          done();
+        });
+      });
+
+    });
+
+    describe('get/set integration', function() {
+      const o = doc();
+
+      it('works', function(done) {
+        const vals = mpath.get('array.o.array.x.b', o);
+
+        vals[0][0][2] = 10;
+        vals[1][0][1] = 0;
+        vals[1][1] = 'Rambaldi';
+        vals[1][2] = [12, 14];
+        vals[2] = [{ changed: true }, [null, ['changed', 'to', 'array']]];
+
+        mpath.set('array.o.array.x.b', vals, o);
+
+        const t = [
+          { o: { array: [{ x: { b: [4, 6, 10] } }, { y: 10 }] } },
+          { o: { array: [{ x: { b: [1, 0, 3] } }, { x: { b: 'Rambaldi', z: 10 } }, { x: { b: [12, 14] } }] } },
+          { o: { array: [{ x: { b: { changed: true } } }, { x: { b: [null, ['changed', 'to', 'array']] } }] } },
+          { o: { array: [{ x: null }] } },
+          { o: { array: [{ y: 3 }] } },
+          { o: { array: [3, 0, null] } },
+          { o: { name: 'ha' } }
+        ];
+        assert.deepEqual(t, o.array);
+        done();
+      });
+
+      it('array.prop', function(done) {
+        mpath.set('comments.name', ['this', 'was', 'changed'], o);
+
+        assert.deepEqual([
+          { name: 'this' },
+          { name: 'was', _doc: { name: '2' } },
+          { name: 'changed',
+            comments: [{}, { comments: [{ val: 'twoo' }] }],
+            _doc: { name: '3', comments: [{}, { _doc: { comments: [{ val: 2 }] } }] } }
+        ], o.comments);
+
+        mpath.set('comments.name', ['also', 'changed', 'this'], o, special);
+
+        assert.deepEqual([
+          { name: 'also' },
+          { name: 'was', _doc: { name: 'changed' } },
+          { name: 'changed',
+            comments: [{}, { comments: [{ val: 'twoo' }] }],
+            _doc: { name: 'this', comments: [{}, { _doc: { comments: [{ val: 2 }] } }] } }
+        ], o.comments);
+
+        done();
+      });
+
+      it('nested array', function(done) {
+        const obj = { arr: [[{ test: 41 }]] };
+        mpath.set('arr.test', [[42]], obj);
+        assert.deepEqual(obj.arr, [[{ test: 42 }]]);
+        done();
+      });
+    });
+
+    describe('multiple $ use', function() {
+      const o = doc();
+      it('is ok', function(done) {
+        assert.doesNotThrow(function() {
+          mpath.set('arr.$.arr.$.a', 35, o);
+        });
+        done();
+      });
+    });
+
+    it('has', function(done) {
+      assert.ok(mpath.has('a', { a: 1 }));
+      assert.ok(mpath.has('a', { a: undefined }));
+      assert.ok(!mpath.has('a', {}));
+      assert.ok(!mpath.has('a', null));
+
+      assert.ok(mpath.has('a.b', { a: { b: 1 } }));
+      assert.ok(mpath.has('a.b', { a: { b: undefined } }));
+      assert.ok(!mpath.has('a.b', { a: 1 }));
+      assert.ok(!mpath.has('a.b', { a: null }));
+
+      done();
+    });
+
+    it('underneath a map', function(done) {
+      if (!global.Map) {
+        done();
+        return;
+      }
+      assert.equal(mpath.get('a.b', { a: new Map([['b', 1]]) }), 1);
+
+      const m = new Map([['b', 1]]);
+      const obj = { a: m };
+      mpath.set('a.c', 2, obj);
+      assert.equal(m.get('c'), 2);
+
+      done();
+    });
+
+    it('unset', function(done) {
+      let o = { a: 1 };
+      mpath.unset('a', o);
+      assert.deepEqual(o, {});
+
+      o = { a: { b: 1 } };
+      mpath.unset('a.b', o);
+      assert.deepEqual(o, { a: {} });
+
+      o = { a: null };
+      mpath.unset('a.b', o);
+      assert.deepEqual(o, { a: null });
+
+      done();
+    });
+
+    it('unset with __proto__', function(done) {
+      // Should refuse to set __proto__
+      function Clazz() {}
+      Clazz.prototype.foobar = true;
+
+      mpath.unset('__proto__.foobar', new Clazz());
+      assert.ok(Clazz.prototype.foobar);
+
+      mpath.unset('constructor.prototype.foobar', new Clazz());
+      assert.ok(Clazz.prototype.foobar);
+
+      done();
+    });
+
+    it('get() underneath subclassed array', function(done) {
+      class MyArray extends Array {}
+
+      const obj = {
+        arr: new MyArray()
+      };
+      obj.arr.push({ test: 2 });
+
+      const arr = mpath.get('arr.test', obj);
+      assert.equal(arr.constructor.name, 'Array');
+      assert.ok(!(arr instanceof MyArray));
+
+      done();
+    });
+
+    it('ignores setting a nested path that doesnt exist', function(done) {
+      const o = doc();
+      assert.doesNotThrow(function() {
+        mpath.set('thing.that.is.new', 10, o);
+      });
+      done();
+    });
+  });
+});
diff --git a/node_modules/mpath/test/stringToParts.js b/node_modules/mpath/test/stringToParts.js
new file mode 100644
index 000000000..09940dfa9
--- /dev/null
+++ b/node_modules/mpath/test/stringToParts.js
@@ -0,0 +1,30 @@
+'use strict';
+
+const assert = require('assert');
+const stringToParts = require('../lib/stringToParts');
+
+describe('stringToParts', function() {
+  it('handles brackets for numbers', function() {
+    assert.deepEqual(stringToParts('list[0].name'), ['list', '0', 'name']);
+    assert.deepEqual(stringToParts('list[0][1].name'), ['list', '0', '1', 'name']);
+  });
+
+  it('handles dot notation', function() {
+    assert.deepEqual(stringToParts('a.b.c'), ['a', 'b', 'c']);
+    assert.deepEqual(stringToParts('a..b.d'), ['a', '', 'b', 'd']);
+  });
+
+  it('ignores invalid numbers in square brackets', function() {
+    assert.deepEqual(stringToParts('foo[1mystring]'), ['foo[1mystring]']);
+    assert.deepEqual(stringToParts('foo[1mystring].bar[1]'), ['foo[1mystring]', 'bar', '1']);
+    assert.deepEqual(stringToParts('foo[1mystring][2]'), ['foo[1mystring]', '2']);
+  });
+
+  it('handles empty string', function() {
+    assert.deepEqual(stringToParts(''), ['']);
+  });
+
+  it('handles trailing dot', function() {
+    assert.deepEqual(stringToParts('a.b.'), ['a', 'b', '']);
+  });
+});
\ No newline at end of file
diff --git a/node_modules/mquery/.eslintignore b/node_modules/mquery/.eslintignore
new file mode 100644
index 000000000..4b4d86310
--- /dev/null
+++ b/node_modules/mquery/.eslintignore
@@ -0,0 +1 @@
+coverage/
\ No newline at end of file
diff --git a/node_modules/mquery/.eslintrc.json b/node_modules/mquery/.eslintrc.json
new file mode 100644
index 000000000..8dabf1a21
--- /dev/null
+++ b/node_modules/mquery/.eslintrc.json
@@ -0,0 +1,123 @@
+{
+  "extends": [
+    "eslint:recommended"
+  ],
+  "plugins": [
+    "mocha-no-only"
+  ],
+  "parserOptions": {
+    "ecmaVersion": 2017
+  },
+  "env": {
+    "node": true,
+    "es6": true
+  },
+  "rules": {
+    "comma-style": "error",
+    "indent": [
+      "error",
+      2,
+      {
+        "SwitchCase": 1,
+        "VariableDeclarator": 2
+      }
+    ],
+    "keyword-spacing": "error",
+    "no-whitespace-before-property": "error",
+    "no-buffer-constructor": "warn",
+    "no-console": "off",
+    "no-multi-spaces": "error",
+    "no-constant-condition": "off",
+    "func-call-spacing": "error",
+    "no-trailing-spaces": "error",
+    "no-undef": "error",
+    "no-unneeded-ternary": "error",
+    "no-const-assign": "error",
+    "no-useless-rename": "error",
+    "no-dupe-keys": "error",
+    "space-in-parens": [
+      "error",
+      "never"
+    ],
+    "spaced-comment": [
+      "error",
+      "always",
+      {
+        "block": {
+          "markers": [
+            "!"
+          ],
+          "balanced": true
+        }
+      }
+    ],
+    "key-spacing": [
+      "error",
+      {
+        "beforeColon": false,
+        "afterColon": true
+      }
+    ],
+    "comma-spacing": [
+      "error",
+      {
+        "before": false,
+        "after": true
+      }
+    ],
+    "array-bracket-spacing": 1,
+    "arrow-spacing": [
+      "error",
+      {
+        "before": true,
+        "after": true
+      }
+    ],
+    "object-curly-spacing": [
+      "error",
+      "always"
+    ],
+    "comma-dangle": [
+      "error",
+      "never"
+    ],
+    "no-unreachable": "error",
+    "quotes": [
+      "error",
+      "single"
+    ],
+    "quote-props": [
+      "error",
+      "as-needed"
+    ],
+    "semi": "error",
+    "no-extra-semi": "error",
+    "semi-spacing": "error",
+    "no-spaced-func": "error",
+    "no-throw-literal": "error",
+    "space-before-blocks": "error",
+    "space-before-function-paren": [
+      "error",
+      "never"
+    ],
+    "space-infix-ops": "error",
+    "space-unary-ops": "error",
+    "no-var": "warn",
+    "prefer-const": "warn",
+    "strict": [
+      "error",
+      "global"
+    ],
+    "no-restricted-globals": [
+      "error",
+      {
+        "name": "context",
+        "message": "Don't use Mocha's global context"
+      }
+    ],
+    "no-prototype-builtins": "off",
+    "mocha-no-only/mocha-no-only": [
+      "error"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/node_modules/mquery/.travis.yml b/node_modules/mquery/.travis.yml
new file mode 100644
index 000000000..0aa7f1a95
--- /dev/null
+++ b/node_modules/mquery/.travis.yml
@@ -0,0 +1,15 @@
+language: node_js
+node_js:
+  - "12"
+matrix:
+  include:
+    - node_js: "13"
+      env: "NVM_NODEJS_ORG_MIRROR=https://nodejs.org/download/nightly"
+  allow_failures:
+    # Allow the nightly installs to fail
+    - env: "NVM_NODEJS_ORG_MIRROR=https://nodejs.org/download/nightly"
+script:
+  - npm test
+  - npm run lint
+services:
+  - mongodb
diff --git a/node_modules/mquery/History.md b/node_modules/mquery/History.md
new file mode 100644
index 000000000..6967c9475
--- /dev/null
+++ b/node_modules/mquery/History.md
@@ -0,0 +1,376 @@
+4.0.3 / 2022-05-17
+==================
+ * fix: allow using `comment` with `findOneAndUpdate()`, `count()`, `distinct()` and `hint` with `findOneAndUpdate()` Automattic/mongoose#11793
+
+4.0.2 / 2022-01-23
+==================
+ * perf: replace regexp-clone with native functionality #131 [Uzlopak](https://github.com/Uzlopak)
+
+4.0.1 / 2022-01-20
+==================
+ * perf: remove sliced, add various microoptimizations #130 [Uzlopak](https://github.com/Uzlopak)
+ * refactor: convert NodeCollection to a class #128 [jimmywarting](https://github.com/jimmywarting)
+
+4.0.0 / 2021-08-24
+
+4.0.0-rc0 / 2021-08-19
+======================
+ * BREAKING CHANGE: drop support for Node < 12 #123
+ * BREAKING CHANGE: upgrade to mongodb driver 4.x: drop support for `findAndModify()`, use native `findOneAndUpdate/Delete` #124
+ * BREAKING CHANGE: rename findStream -> findCursor #124
+ * BREAKING CHANGE: use native ES6 promises by default, remove bluebird dependency #123
+
+3.2.5 / 2021-03-29
+==================
+ * fix(utils): make `mergeClone()` skip special properties like `__proto__` #121 [zpbrent](https://github.com/zpbrent)
+
+3.2.4 / 2021-02-12
+==================
+ * fix(utils): make clone() only copy own properties Automattic/mongoose#9876
+
+3.2.3 / 2020-12-10
+==================
+ * fix(utils): avoid copying special properties like `__proto__` when merging and cloning. Fix CVE-2020-35149
+
+3.2.2 / 2019-09-22
+==================
+ * fix: dont re-call setOptions() when pulling base class options Automattic/mongoose#8159
+
+3.2.1 / 2018-08-24
+==================
+ * chore: upgrade deps
+
+3.2.0 / 2018-08-24
+==================
+ * feat: add $useProjection to opt in to using `projection` instead of `fields` re: MongoDB deprecation warnings Automattic/mongoose#6880
+
+3.1.2 / 2018-08-01
+==================
+ * chore: move eslint to devDependencies #110 [jakesjews](https://github.com/jakesjews)
+
+3.1.1 / 2018-07-30
+==================
+ * chore: add eslint #107 [Fonger](https://github.com/Fonger)
+ * docs: clean up readConcern docs #106 [Fonger](https://github.com/Fonger)
+
+3.1.0 / 2018-07-29
+==================
+ * feat: add `readConcern()` helper #105 [Fonger](https://github.com/Fonger)
+ * feat: add `maxTimeMS()` as alias of `maxTime()` #105 [Fonger](https://github.com/Fonger)
+ * feat: add `collation()` helper #105 [Fonger](https://github.com/Fonger)
+
+3.0.1 / 2018-07-02
+==================
+ * fix: parse sort array options correctly #103 #102 [Fonger](https://github.com/Fonger)
+
+3.0.0 / 2018-01-20
+==================
+ * chore: upgrade deps and add nsp
+
+3.0.0-rc0 / 2017-12-06
+======================
+ * BREAKING CHANGE: remove support for node < 4
+ * BREAKING CHANGE: remove support for retainKeyOrder, will always be true by default re: Automattic/mongoose#2749
+
+2.3.3 / 2017-11-19
+==================
+ * fixed; catch sync errors in cursor.toArray() re: Automattic/mongoose#5812
+
+2.3.2 / 2017-09-27
+==================
+ * fixed; bumped debug -> 2.6.9 re: #89
+
+2.3.1 / 2017-05-22
+==================
+ * fixed; bumped debug -> 2.6.7 re: #86
+
+2.3.0 / 2017-03-05
+==================
+ * added; replaceOne function
+ * added; deleteOne and deleteMany functions
+
+2.2.3 / 2017-01-31
+==================
+ * fixed; throw correct error when passing incorrectly formatted array to sort()
+
+2.2.2 / 2017-01-31
+==================
+ * fixed; allow passing maps to sort()
+
+2.2.1 / 2017-01-29
+==================
+ * fixed; allow passing string to hint()
+
+2.2.0 / 2017-01-08
+==================
+ * added; updateOne and updateMany functions
+
+2.1.0 / 2016-12-22
+==================
+ * added; ability to pass an array to select() #81 [dciccale](https://github.com/dciccale)
+
+2.0.0 / 2016-09-25
+==================
+ * added; support for mongodb driver 2.0 streams
+
+1.12.0 / 2016-09-25
+===================
+ * added; `retainKeyOrder` option re: Automattic/mongoose#4542
+
+1.11.0 / 2016-06-04
+===================
+ * added; `.minDistance()` helper and minDistance for `.near()` Automattic/mongoose#4179
+
+1.10.1 / 2016-04-26
+===================
+ * fixed; ensure conditions is an object before assigning #75
+
+1.10.0 / 2016-03-16
+==================
+
+ * updated; bluebird to latest 2.10.2 version #74 [matskiv](https://github.com/matskiv)
+
+1.9.0 / 2016-03-15
+==================
+ * added; `.eq` as a shortcut for `.equals` #72 [Fonger](https://github.com/Fonger)
+ * added; ability to use array syntax for sort re: https://jira.mongodb.org/browse/NODE-578 #67
+
+1.8.0 / 2016-03-01
+==================
+ * fixed; dont throw an error if count used with sort or select Automattic/mongoose#3914
+
+1.7.0 / 2016-02-23
+==================
+ * fixed; don't treat objects with a length property as argument objects #70
+ * added; `.findCursor()` method #69 [nswbmw](https://github.com/nswbmw)
+ * added; `_compiledUpdate` property #68 [nswbmw](https://github.com/nswbmw)
+
+1.6.2 / 2015-07-12
+==================
+
+ * fixed; support exec cb being called synchronously #66
+
+1.6.1 / 2015-06-16
+==================
+
+ * fixed; do not treat $meta projection as inclusive [vkarpov15](https://github.com/vkarpov15)
+
+1.6.0 / 2015-05-27
+==================
+
+ * update dependencies #65 [bachp](https://github.com/bachp)
+
+1.5.0 / 2015-03-31
+==================
+
+ * fixed; debug output
+ * fixed; allow hint usage with count #61 [trueinsider](https://github.com/trueinsider)
+
+1.4.0 / 2015-03-29
+==================
+
+ * added; object support to slice() #60 [vkarpov15](https://github.com/vkarpov15)
+ * debug; improved output #57 [flyvictor](https://github.com/flyvictor)
+
+1.3.0 / 2014-11-06
+==================
+
+ * added; setTraceFunction() #53 from [jlai](https://github.com/jlai)
+
+1.2.1 / 2014-09-26
+==================
+
+ * fixed; distinct assignment in toConstructor() #51 from [esco](https://github.com/esco)
+
+1.2.0 / 2014-09-18
+==================
+
+ * added; stream() support for find()
+
+1.1.0 / 2014-09-15
+==================
+
+ * add #then for co / koa support
+ * start checking code coverage
+
+1.0.0 / 2014-07-07
+==================
+
+ * Remove broken require() calls until they're actually implemented #48 [vkarpov15](https://github.com/vkarpov15)
+
+0.9.0 / 2014-05-22
+==================
+
+ * added; thunk() support
+ * release 0.8.0
+
+0.8.0 / 2014-05-15
+==================
+
+ * added; support for maxTimeMS #44 [yoitsro](https://github.com/yoitsro)
+ * updated; devDependency (driver to 1.4.4)
+
+0.7.0 / 2014-05-02
+==================
+
+ * fixed; pass $maxDistance in $near object as described in docs #43 [vkarpov15](https://github.com/vkarpov15)
+ * fixed; cloning buffers #42 [gjohnson](https://github.com/gjohnson)
+ * tests; a little bit more `mongodb` agnostic #34 [refack](https://github.com/refack)
+
+0.6.0 / 2014-04-01
+==================
+
+ * fixed; Allow $meta args in sort() so text search sorting works #37 [vkarpov15](https://github.com/vkarpov15)
+
+0.5.3 / 2014-02-22
+==================
+
+ * fixed; cloning mongodb.Binary
+
+0.5.2 / 2014-01-30
+==================
+
+ * fixed; cloning ObjectId constructors
+ * fixed; cloning of ReadPreferences #30 [ashtuchkin](https://github.com/ashtuchkin)
+ * tests; use specific mongodb version #29 [AvianFlu](https://github.com/AvianFlu)
+ * tests; remove dependency on ObjectId #28 [refack](https://github.com/refack)
+ * tests; add failing ReadPref test
+
+0.5.1 / 2014-01-17
+==================
+
+ * added; deprecation notice to tags parameter #27 [ashtuchkin](https://github.com/ashtuchkin)
+ * readme; add links
+
+0.5.0 / 2014-01-16
+==================
+
+ * removed; mongodb driver dependency #26 [ashtuchkin](https://github.com/ashtuchkin)
+ * removed; first class support of read preference tags #26 (still supported though) [ashtuchkin](https://github.com/ashtuchkin)
+ * added; better ObjectId clone support
+ * fixed; cloning objects that have no constructor #21
+ * docs; cleaned up [ashtuchkin](https://github.com/ashtuchkin)
+
+0.4.2 / 2014-01-08
+==================
+
+ * updated; debug module 0.7.4 [refack](https://github.com/refack)
+
+0.4.1 / 2014-01-07
+==================
+
+ * fixed; inclusive/exclusive logic
+
+0.4.0 / 2014-01-06
+==================
+
+ * added; selected()
+ * added; selectedInclusively()
+ * added; selectedExclusively()
+
+0.3.3 / 2013-11-14
+==================
+
+ * Fix Mongo DB Dependency #20 [rschmukler](https://github.com/rschmukler)
+
+0.3.2 / 2013-09-06
+==================
+
+  * added; geometry support for near()
+
+0.3.1 / 2013-08-22
+==================
+
+  * fixed; update retains key order #19
+
+0.3.0 / 2013-08-22
+==================
+
+  * less hardcoded isNode env detection #18 [vshulyak](https://github.com/vshulyak)
+  * added; validation of findAndModify varients
+  * clone update doc before execution
+  * stricter env checks
+
+0.2.7 / 2013-08-2
+==================
+
+  * Now support GeoJSON point values for Query#near
+
+0.2.6 / 2013-07-30
+==================
+
+  * internally, 'asc' and 'desc' for sorts are now converted into 1 and -1, respectively
+
+0.2.5 / 2013-07-30
+==================
+
+  * updated docs
+  * changed internal representation of `sort` to use objects instead of arrays
+
+0.2.4 / 2013-07-25
+==================
+
+  * updated; sliced to 0.0.5
+
+0.2.3 / 2013-07-09
+==================
+
+  * now using a callback in collection.find instead of directly calling toArray() on the cursor [ebensing](https://github.com/ebensing)
+
+0.2.2 / 2013-07-09
+==================
+
+  * now exposing mongodb export to allow for better testing [ebensing](https://github.com/ebensing)
+
+0.2.1 / 2013-07-08
+==================
+
+  * select no longer accepts arrays as parameters [ebensing](https://github.com/ebensing)
+
+0.2.0 / 2013-07-05
+==================
+
+  * use $geoWithin by default
+
+0.1.2 / 2013-07-02
+==================
+
+  * added use$geoWithin flag [ebensing](https://github.com/ebensing)
+  * fix read preferences typo [ebensing](https://github.com/ebensing)
+  * fix reference to old param name in exists() [ebensing](https://github.com/ebensing)
+
+0.1.1 / 2013-06-24
+==================
+
+  * fixed; $intersects -> $geoIntersects #14 [ebensing](https://github.com/ebensing)
+  * fixed; Retain key order when copying objects #15 [ebensing](https://github.com/ebensing)
+  * bump mongodb dev dep
+
+0.1.0 / 2013-05-06
+==================
+
+  * findAndModify; return the query
+  * move mquery.proto.canMerge to mquery.canMerge
+  * overwrite option now works with non-empty objects
+  * use strict mode
+  * validate count options
+  * validate distinct options
+  * add aggregate to base collection methods
+  * clone merge arguments
+  * clone merged update arguments
+  * move subclass to mquery.prototype.toConstructor
+  * fixed; maxScan casing
+  * use regexp-clone
+  * added; geometry/intersects support
+  * support $and
+  * near: do not use "radius"
+  * callbacks always fire on next turn of loop
+  * defined collection interface
+  * remove time from tests
+  * clarify goals
+  * updated docs;
+
+0.0.1 / 2012-12-15
+==================
+
+  * initial release
diff --git a/node_modules/mquery/LICENSE b/node_modules/mquery/LICENSE
new file mode 100644
index 000000000..38c529daa
--- /dev/null
+++ b/node_modules/mquery/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2012 [Aaron Heckmann](aaron.heckmann+github@gmail.com)
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/mquery/Makefile b/node_modules/mquery/Makefile
new file mode 100644
index 000000000..587655db2
--- /dev/null
+++ b/node_modules/mquery/Makefile
@@ -0,0 +1,26 @@
+
+test:
+	@NODE_ENV=test ./node_modules/.bin/mocha $(T) $(TESTS)
+
+test-cov:
+	@NODE_ENV=test node \
+		node_modules/.bin/istanbul cover \
+		./node_modules/.bin/_mocha \
+		-- -u exports \
+
+open-cov:
+	open coverage/lcov-report/index.html
+
+lint:
+	@NODE_ENV=test node ./node_modules/eslint/bin/eslint.js .
+
+test-travis:
+	@NODE_ENV=test node \
+		node_modules/.bin/istanbul cover \
+		./node_modules/.bin/_mocha \
+		--report lcovonly \
+		--bail
+	@NODE_ENV=test node \
+		./node_modules/eslint/bin/eslint.js .
+
+.PHONY: test test-cov open-cov lint test-travis
diff --git a/node_modules/mquery/README.md b/node_modules/mquery/README.md
new file mode 100644
index 000000000..8e2136969
--- /dev/null
+++ b/node_modules/mquery/README.md
@@ -0,0 +1,1373 @@
+# mquery
+
+`mquery` is a fluent mongodb query builder designed to run in multiple environments.
+
+[![Build Status](https://travis-ci.org/aheckmann/mquery.svg?branch=master)](https://travis-ci.org/aheckmann/mquery)
+[![NPM version](https://badge.fury.io/js/mquery.svg)](http://badge.fury.io/js/mquery)
+
+[![npm](https://nodei.co/npm/mquery.png)](https://www.npmjs.com/package/mquery)
+
+## Features
+
+  - fluent query builder api
+  - custom base query support
+  - MongoDB 2.4 geoJSON support
+  - method + option combinations validation
+  - node.js driver compatibility
+  - environment detection
+  - [debug](https://github.com/visionmedia/debug) support
+  - separated collection implementations for maximum flexibility
+
+## Use
+
+```js
+require('mongodb').connect(uri, function (err, db) {
+  if (err) return handleError(err);
+
+  // get a collection
+  var collection = db.collection('artists');
+
+  // pass it to the constructor
+  mquery(collection).find({..}, callback);
+
+  // or pass it to the collection method
+  mquery().find({..}).collection(collection).exec(callback)
+
+  // or better yet, create a custom query constructor that has it always set
+  var Artist = mquery(collection).toConstructor();
+  Artist().find(..).where(..).exec(callback)
+})
+```
+
+`mquery` requires a collection object to work with. In the example above we just pass the collection object created using the official [MongoDB driver](https://github.com/mongodb/node-mongodb-native).
+
+
+## Fluent API
+
+- [find](#find)
+- [findOne](#findOne)
+- [count](#count)
+- [remove](#remove)
+- [update](#update)
+- [findOneAndUpdate](#findoneandupdate)
+- [findOneAndDelete, findOneAndRemove](#findoneandremove)
+- [distinct](#distinct)
+- [exec](#exec)
+- [stream](#stream)
+- [all](#all)
+- [and](#and)
+- [box](#box)
+- [circle](#circle)
+- [elemMatch](#elemmatch)
+- [equals](#equals)
+- [exists](#exists)
+- [geometry](#geometry)
+- [gt](#gt)
+- [gte](#gte)
+- [in](#in)
+- [intersects](#intersects)
+- [lt](#lt)
+- [lte](#lte)
+- [maxDistance](#maxdistance)
+- [mod](#mod)
+- [ne](#ne)
+- [nin](#nin)
+- [nor](#nor)
+- [near](#near)
+- [or](#or)
+- [polygon](#polygon)
+- [regex](#regex)
+- [select](#select)
+- [selected](#selected)
+- [selectedInclusively](#selectedinclusively)
+- [selectedExclusively](#selectedexclusively)
+- [size](#size)
+- [slice](#slice)
+- [within](#within)
+- [where](#where)
+- [$where](#where-1)
+- [batchSize](#batchsize)
+- [collation](#collation)
+- [comment](#comment)
+- [hint](#hint)
+- [j](#j)
+- [limit](#limit)
+- [maxScan](#maxscan)
+- [maxTime, maxTimeMS](#maxtime)
+- [skip](#skip)
+- [sort](#sort)
+- [read, setReadPreference](#read)
+- [readConcern, r](#readconcern)
+- [slaveOk](#slaveok)
+- [snapshot](#snapshot)
+- [tailable](#tailable)
+- [writeConcern, w](#writeconcern)
+- [wtimeout, wTimeout](#wtimeout)
+
+## Helpers
+
+- [collection](#collection)
+- [then](#then)
+- [thunk](#thunk)
+- [merge](#mergeobject)
+- [setOptions](#setoptionsoptions)
+- [setTraceFunction](#settracefunctionfunc)
+- [mquery.setGlobalTraceFunction](#mquerysetglobaltracefunctionfunc)
+- [mquery.canMerge](#mquerycanmerge)
+- [mquery.use$geoWithin](#mqueryusegeowithin)
+
+### find()
+
+Declares this query a _find_ query. Optionally pass a match clause and / or callback. If a callback is passed the query is executed.
+
+```js
+mquery().find()
+mquery().find(match)
+mquery().find(callback)
+mquery().find(match, function (err, docs) {
+  assert(Array.isArray(docs));
+})
+```
+
+### findOne()
+
+Declares this query a _findOne_ query. Optionally pass a match clause and / or callback. If a callback is passed the query is executed.
+
+```js
+mquery().findOne()
+mquery().findOne(match)
+mquery().findOne(callback)
+mquery().findOne(match, function (err, doc) {
+  if (doc) {
+    // the document may not be found
+    console.log(doc);
+  }
+})
+```
+
+### count()
+
+Declares this query a _count_ query. Optionally pass a match clause and / or callback. If a callback is passed the query is executed.
+
+```js
+mquery().count()
+mquery().count(match)
+mquery().count(callback)
+mquery().count(match, function (err, number){
+  console.log('we found %d matching documents', number);
+})
+```
+
+### remove()
+
+Declares this query a _remove_ query. Optionally pass a match clause and / or callback. If a callback is passed the query is executed.
+
+```js
+mquery().remove()
+mquery().remove(match)
+mquery().remove(callback)
+mquery().remove(match, function (err){})
+```
+
+### update()
+
+Declares this query an _update_ query. Optionally pass an update document, match clause, options or callback. If a callback is passed, the query is executed. To force execution without passing a callback, run `update(true)`.
+
+```js
+mquery().update()
+mquery().update(match, updateDocument)
+mquery().update(match, updateDocument, options)
+
+// the following all execute the command
+mquery().update(callback)
+mquery().update({$set: updateDocument, callback)
+mquery().update(match, updateDocument, callback)
+mquery().update(match, updateDocument, options, function (err, result){})
+mquery().update(true) // executes (unsafe write)
+```
+
+##### the update document
+
+All paths passed that are not `$atomic` operations will become `$set` ops. For example:
+
+```js
+mquery(collection).where({ _id: id }).update({ title: 'words' }, callback)
+```
+
+becomes
+
+```js
+collection.update({ _id: id }, { $set: { title: 'words' }}, callback)
+```
+
+This behavior can be overridden using the `overwrite` option (see below).
+
+##### options
+
+Options are passed to the `setOptions()` method.
+
+- overwrite
+
+Passing an empty object `{ }` as the update document will result in a no-op unless the `overwrite` option is passed. Without the `overwrite` option, the update operation will be ignored and the callback executed without sending the command to MongoDB to prevent accidently overwritting documents in the collection.
+
+```js
+var q = mquery(collection).where({ _id: id }).setOptions({ overwrite: true });
+q.update({ }, callback); // overwrite with an empty doc
+```
+
+The `overwrite` option isn't just for empty objects, it also provides a means to override the default `$set` conversion and send the update document as is.
+
+```js
+// create a base query
+var base = mquery({ _id: 108 }).collection(collection).toConstructor();
+
+base().findOne(function (err, doc) {
+  console.log(doc); // { _id: 108, name: 'cajon' })
+
+  base().setOptions({ overwrite: true }).update({ changed: true }, function (err) {
+    base.findOne(function (err, doc) {
+      console.log(doc); // { _id: 108, changed: true }) - the doc was overwritten
+    });
+  });
+})
+```
+
+- multi
+
+Updates only modify a single document by default. To update multiple documents, set the `multi` option to `true`.
+
+```js
+mquery()
+  .collection(coll)
+  .update({ name: /^match/ }, { $addToSet: { arr: 4 }}, { multi: true }, callback)
+
+// another way of doing it
+mquery({ name: /^match/ })
+  .collection(coll)
+  .setOptions({ multi: true })
+  .update({ $addToSet: { arr: 4 }}, callback)
+
+// update multiple documents with an empty doc
+var q = mquery(collection).where({ name: /^match/ });
+q.setOptions({ multi: true, overwrite: true })
+q.update({ });
+q.update(function (err, result) {
+  console.log(arguments);
+});
+```
+
+### findOneAndUpdate()
+
+Declares this query a _findAndModify_ with update query. Optionally pass a match clause, update document, options, or callback. If a callback is passed, the query is executed.
+
+When executed, the first matching document (if found) is modified according to the update document and passed back to the callback.
+
+##### options
+
+Options are passed to the `setOptions()` method.
+
+- `returnDocument`: string - `'after'` to return the modified document rather than the original. defaults to `'before'`
+- `upsert`: boolean - creates the object if it doesn't exist. defaults to false
+- `sort`: if multiple docs are found by the match condition, sets the sort order to choose which doc to update
+
+```js
+query.findOneAndUpdate()
+query.findOneAndUpdate(updateDocument)
+query.findOneAndUpdate(match, updateDocument)
+query.findOneAndUpdate(match, updateDocument, options)
+
+// the following all execute the command
+query.findOneAndUpdate(callback)
+query.findOneAndUpdate(updateDocument, callback)
+query.findOneAndUpdate(match, updateDocument, callback)
+query.findOneAndUpdate(match, updateDocument, options, function (err, doc) {
+  if (doc) {
+    // the document may not be found
+    console.log(doc);
+  }
+})
+ ```
+
+### findOneAndRemove()
+
+Declares this query a _findAndModify_ with remove query. Alias of findOneAndDelete.
+Optionally pass a match clause, options, or callback. If a callback is passed, the query is executed.
+
+When executed, the first matching document (if found) is modified according to the update document, removed from the collection and passed to the callback.
+
+##### options
+
+Options are passed to the `setOptions()` method.
+
+- `sort`: if multiple docs are found by the condition, sets the sort order to choose which doc to modify and remove
+
+```js
+A.where().findOneAndDelete()
+A.where().findOneAndRemove()
+A.where().findOneAndRemove(match)
+A.where().findOneAndRemove(match, options)
+
+// the following all execute the command
+A.where().findOneAndRemove(callback)
+A.where().findOneAndRemove(match, callback)
+A.where().findOneAndRemove(match, options, function (err, doc) {
+  if (doc) {
+    // the document may not be found
+    console.log(doc);
+  }
+})
+ ```
+
+### distinct()
+
+Declares this query a _distinct_ query. Optionally pass the distinct field, a match clause or callback. If a callback is passed the query is executed.
+
+```js
+mquery().distinct()
+mquery().distinct(match)
+mquery().distinct(match, field)
+mquery().distinct(field)
+
+// the following all execute the command
+mquery().distinct(callback)
+mquery().distinct(field, callback)
+mquery().distinct(match, callback)
+mquery().distinct(match, field, function (err, result) {
+  console.log(result);
+})
+```
+
+### exec()
+
+Executes the query.
+
+```js
+mquery().findOne().where('route').intersects(polygon).exec(function (err, docs){})
+```
+
+### stream()
+
+Executes the query and returns a stream.
+
+```js
+var stream = mquery().find().stream(options);
+stream.on('data', cb);
+stream.on('close', fn);
+```
+
+Note: this only works with `find()` operations.
+
+Note: returns the stream object directly from the node-mongodb-native driver. (currently streams1 type stream). Any options will be passed along to the [driver method](http://mongodb.github.io/node-mongodb-native/api-generated/cursor.html#stream).
+
+-------------
+
+### all()
+
+Specifies an `$all` query condition
+
+```js
+mquery().where('permission').all(['read', 'write'])
+```
+
+[MongoDB documentation](http://docs.mongodb.org/manual/reference/operator/all/)
+
+### and()
+
+Specifies arguments for an `$and` condition
+
+```js
+mquery().and([{ color: 'green' }, { status: 'ok' }])
+```
+
+[MongoDB documentation](http://docs.mongodb.org/manual/reference/operator/and/)
+
+### box()
+
+Specifies a `$box` condition
+
+```js
+var lowerLeft = [40.73083, -73.99756]
+var upperRight= [40.741404,  -73.988135]
+
+mquery().where('location').within().box(lowerLeft, upperRight)
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/box/)
+
+### circle()
+
+Specifies a `$center` or `$centerSphere` condition.
+
+```js
+var area = { center: [50, 50], radius: 10, unique: true }
+query.where('loc').within().circle(area)
+query.circle('loc', area);
+
+// for spherical calculations
+var area = { center: [50, 50], radius: 10, unique: true, spherical: true }
+query.where('loc').within().circle(area)
+query.circle('loc', area);
+```
+
+- [MongoDB Documentation - center](http://docs.mongodb.org/manual/reference/operator/center/)
+- [MongoDB Documentation - centerSphere](http://docs.mongodb.org/manual/reference/operator/centerSphere/)
+
+### elemMatch()
+
+Specifies an `$elemMatch` condition
+
+```js
+query.where('comment').elemMatch({ author: 'autobot', votes: {$gte: 5}})
+
+query.elemMatch('comment', function (elem) {
+  elem.where('author').equals('autobot');
+  elem.where('votes').gte(5);
+})
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/elemMatch/)
+
+### equals()
+
+Specifies the complementary comparison value for the path specified with `where()`.
+
+```js
+mquery().where('age').equals(49);
+
+// is the same as
+
+mquery().where({ 'age': 49 });
+```
+
+### exists()
+
+Specifies an `$exists` condition
+
+```js
+// { name: { $exists: true }}
+mquery().where('name').exists()
+mquery().where('name').exists(true)
+mquery().exists('name')
+
+// { name: { $exists: false }}
+mquery().where('name').exists(false);
+mquery().exists('name', false);
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/exists/)
+
+### geometry()
+
+Specifies a `$geometry` condition
+
+```js
+var polyA = [[[ 10, 20 ], [ 10, 40 ], [ 30, 40 ], [ 30, 20 ]]]
+query.where('loc').within().geometry({ type: 'Polygon', coordinates: polyA })
+
+// or
+var polyB = [[ 0, 0 ], [ 1, 1 ]]
+query.where('loc').within().geometry({ type: 'LineString', coordinates: polyB })
+
+// or
+var polyC = [ 0, 0 ]
+query.where('loc').within().geometry({ type: 'Point', coordinates: polyC })
+
+// or
+query.where('loc').intersects().geometry({ type: 'Point', coordinates: polyC })
+
+// or
+query.where('loc').near().geometry({ type: 'Point', coordinates: [3,5] })
+```
+
+`geometry()` **must** come after `intersects()`, `within()`, or `near()`.
+
+The `object` argument must contain `type` and `coordinates` properties.
+
+- type `String`
+- coordinates `Array`
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/geometry/)
+
+### gt()
+
+Specifies a `$gt` query condition.
+
+```js
+mquery().where('clicks').gt(999)
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/gt/)
+
+### gte()
+
+Specifies a `$gte` query condition.
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/gte/)
+
+```js
+mquery().where('clicks').gte(1000)
+```
+
+### in()
+
+Specifies an `$in` query condition.
+
+```js
+mquery().where('author_id').in([3, 48901, 761])
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/in/)
+
+### intersects()
+
+Declares an `$geoIntersects` query for `geometry()`.
+
+```js
+query.where('path').intersects().geometry({
+    type: 'LineString'
+  , coordinates: [[180.0, 11.0], [180, 9.0]]
+})
+
+// geometry arguments are supported
+query.where('path').intersects({
+    type: 'LineString'
+  , coordinates: [[180.0, 11.0], [180, 9.0]]
+})
+```
+
+**Must** be used after `where()`.
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/geoIntersects/)
+
+### lt()
+
+Specifies a `$lt` query condition.
+
+```js
+mquery().where('clicks').lt(50)
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/lt/)
+
+### lte()
+
+Specifies a `$lte` query condition.
+
+```js
+mquery().where('clicks').lte(49)
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/lte/)
+
+### maxDistance()
+
+Specifies a `$maxDistance` query condition.
+
+```js
+mquery().where('location').near({ center: [139, 74.3] }).maxDistance(5)
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/maxDistance/)
+
+### mod()
+
+Specifies a `$mod` condition
+
+```js
+mquery().where('count').mod(2, 0)
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/mod/)
+
+### ne()
+
+Specifies a `$ne` query condition.
+
+```js
+mquery().where('status').ne('ok')
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/ne/)
+
+### nin()
+
+Specifies an `$nin` query condition.
+
+```js
+mquery().where('author_id').nin([3, 48901, 761])
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/nin/)
+
+### nor()
+
+Specifies arguments for an `$nor` condition.
+
+```js
+mquery().nor([{ color: 'green' }, { status: 'ok' }])
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/nor/)
+
+### near()
+
+Specifies arguments for a `$near` or `$nearSphere` condition.
+
+These operators return documents sorted by distance.
+
+#### Example
+
+```js
+query.where('loc').near({ center: [10, 10] });
+query.where('loc').near({ center: [10, 10], maxDistance: 5 });
+query.near('loc', { center: [10, 10], maxDistance: 5 });
+
+// GeoJSON
+query.where('loc').near({ center: { type: 'Point', coordinates: [10, 10] }});
+query.where('loc').near({ center: { type: 'Point', coordinates: [10, 10] }, maxDistance: 5, spherical: true });
+query.where('loc').near().geometry({ type: 'Point', coordinates: [10, 10] });
+
+// For a $nearSphere condition, pass the `spherical` option.
+query.near({ center: [10, 10], maxDistance: 5, spherical: true });
+```
+
+[MongoDB Documentation](http://www.mongodb.org/display/DOCS/Geospatial+Indexing)
+
+### or()
+
+Specifies arguments for an `$or` condition.
+
+```js
+mquery().or([{ color: 'red' }, { status: 'emergency' }])
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/or/)
+
+### polygon()
+
+Specifies a `$polygon` condition
+
+```js
+mquery().where('loc').within().polygon([10,20], [13, 25], [7,15])
+mquery().polygon('loc', [10,20], [13, 25], [7,15])
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/polygon/)
+
+### regex()
+
+Specifies a `$regex` query condition.
+
+```js
+mquery().where('name').regex(/^sixstepsrecords/)
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/regex/)
+
+### select()
+
+Specifies which document fields to include or exclude
+
+```js
+// 1 means include, 0 means exclude
+mquery().select({ name: 1, address: 1, _id: 0 })
+
+// or
+
+mquery().select('name address -_id')
+```
+
+##### String syntax
+
+When passing a string, prefixing a path with `-` will flag that path as excluded. When a path does not have the `-` prefix, it is included.
+
+```js
+// include a and b, exclude c
+query.select('a b -c');
+
+// or you may use object notation, useful when
+// you have keys already prefixed with a "-"
+query.select({a: 1, b: 1, c: 0});
+```
+
+_Cannot be used with `distinct()`._
+
+### selected()
+
+Determines if the query has selected any fields.
+
+```js
+var query = mquery();
+query.selected() // false
+query.select('-name');
+query.selected() // true
+```
+
+### selectedInclusively()
+
+Determines if the query has selected any fields inclusively.
+
+```js
+var query = mquery().select('name');
+query.selectedInclusively() // true
+
+var query = mquery();
+query.selected() // false
+query.select('-name');
+query.selectedInclusively() // false
+query.selectedExclusively() // true
+```
+
+### selectedExclusively()
+
+Determines if the query has selected any fields exclusively.
+
+```js
+var query = mquery().select('-name');
+query.selectedExclusively() // true
+
+var query = mquery();
+query.selected() // false
+query.select('name');
+query.selectedExclusively() // false
+query.selectedInclusively() // true
+```
+
+### size()
+
+Specifies a `$size` query condition.
+
+```js
+mquery().where('someArray').size(6)
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/size/)
+
+### slice()
+
+Specifies a `$slice` projection for a `path`
+
+```js
+mquery().where('comments').slice(5)
+mquery().where('comments').slice(-5)
+mquery().where('comments').slice([-10, 5])
+```
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/projection/slice/)
+
+### within()
+
+Sets a `$geoWithin` or `$within` argument for geo-spatial queries.
+
+```js
+mquery().within().box()
+mquery().within().circle()
+mquery().within().geometry()
+
+mquery().where('loc').within({ center: [50,50], radius: 10, unique: true, spherical: true });
+mquery().where('loc').within({ box: [[40.73, -73.9], [40.7, -73.988]] });
+mquery().where('loc').within({ polygon: [[],[],[],[]] });
+
+mquery().where('loc').within([], [], []) // polygon
+mquery().where('loc').within([], []) // box
+mquery().where('loc').within({ type: 'LineString', coordinates: [...] }); // geometry
+```
+
+As of mquery 2.0, `$geoWithin` is used by default. This impacts you if running MongoDB < 2.4. To alter this behavior, see [mquery.use$geoWithin](#mqueryusegeowithin).
+
+**Must** be used after `where()`.
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/reference/operator/geoWithin/)
+
+### where()
+
+Specifies a `path` for use with chaining
+
+```js
+// instead of writing:
+mquery().find({age: {$gte: 21, $lte: 65}});
+
+// we can instead write:
+mquery().where('age').gte(21).lte(65);
+
+// passing query conditions is permitted too
+mquery().find().where({ name: 'vonderful' })
+
+// chaining
+mquery()
+.where('age').gte(21).lte(65)
+.where({ 'name': /^vonderful/i })
+.where('friends').slice(10)
+.exec(callback)
+```
+
+### $where()
+
+Specifies a `$where` condition.
+
+Use `$where` when you need to select documents using a JavaScript expression.
+
+```js
+query.$where('this.comments.length > 10 || this.name.length > 5').exec(callback)
+
+query.$where(function () {
+  return this.comments.length > 10 || this.name.length > 5;
+})
+```
+
+Only use `$where` when you have a condition that cannot be met using other MongoDB operators like `$lt`. Be sure to read about all of [its caveats](http://docs.mongodb.org/manual/reference/operator/where/) before using.
+
+-----------
+
+### batchSize()
+
+Specifies the batchSize option.
+
+```js
+query.batchSize(100)
+```
+
+_Cannot be used with `distinct()`._
+
+[MongoDB documentation](http://docs.mongodb.org/manual/reference/method/cursor.batchSize/)
+
+### collation()
+
+Specifies the collation option.
+
+```js
+query.collation({ locale: "en_US", strength: 1 })
+```
+
+[MongoDB documentation](https://docs.mongodb.com/manual/reference/method/cursor.collation/#cursor.collation)
+
+### comment()
+
+Specifies the comment option.
+
+```js
+query.comment('login query');
+```
+
+_Cannot be used with `distinct()`._
+
+[MongoDB documentation](http://docs.mongodb.org/manual/reference/operator/)
+
+### hint()
+
+Sets query hints.
+
+```js
+mquery().hint({ indexA: 1, indexB: -1 })
+```
+
+_Cannot be used with `distinct()`._
+
+[MongoDB documentation](http://docs.mongodb.org/manual/reference/operator/hint/)
+
+### j()
+
+Requests acknowledgement that this operation has been persisted to MongoDB's on-disk journal.
+
+This option is only valid for operations that write to the database:
+
+- `deleteOne()`
+- `deleteMany()`
+- `findOneAndDelete()`
+- `findOneAndUpdate()`
+- `remove()`
+- `update()`
+- `updateOne()`
+- `updateMany()`
+
+Defaults to the `j` value if it is specified in [writeConcern](#writeconcern)
+
+```js
+mquery().j(true);
+```
+
+### limit()
+
+Specifies the limit option.
+
+```js
+query.limit(20)
+```
+
+_Cannot be used with `distinct()`._
+
+[MongoDB documentation](http://docs.mongodb.org/manual/reference/method/cursor.limit/)
+
+### maxScan()
+
+Specifies the maxScan option.
+
+```js
+query.maxScan(100)
+```
+
+_Cannot be used with `distinct()`._
+
+[MongoDB documentation](http://docs.mongodb.org/manual/reference/operator/maxScan/)
+
+### maxTime()
+
+Specifies the maxTimeMS option.
+
+```js
+query.maxTime(100)
+query.maxTimeMS(100)
+```
+
+[MongoDB documentation](http://docs.mongodb.org/manual/reference/method/cursor.maxTimeMS/)
+
+
+### skip()
+
+Specifies the skip option.
+
+```js
+query.skip(100).limit(20)
+```
+
+_Cannot be used with `distinct()`._
+
+[MongoDB documentation](http://docs.mongodb.org/manual/reference/method/cursor.skip/)
+
+### sort()
+
+Sets the query sort order.
+
+If an object is passed, key values allowed are `asc`, `desc`, `ascending`, `descending`, `1`, and `-1`.
+
+If a string is passed, it must be a space delimited list of path names. The sort order of each path is ascending unless the path name is prefixed with `-` which will be treated as descending.
+
+```js
+// these are equivalent
+query.sort({ field: 'asc', test: -1 });
+query.sort('field -test');
+```
+
+_Cannot be used with `distinct()`._
+
+[MongoDB documentation](http://docs.mongodb.org/manual/reference/method/cursor.sort/)
+
+### read()
+
+Sets the readPreference option for the query.
+
+```js
+mquery().read('primary')
+mquery().read('p')  // same as primary
+
+mquery().read('primaryPreferred')
+mquery().read('pp') // same as primaryPreferred
+
+mquery().read('secondary')
+mquery().read('s')  // same as secondary
+
+mquery().read('secondaryPreferred')
+mquery().read('sp') // same as secondaryPreferred
+
+mquery().read('nearest')
+mquery().read('n')  // same as nearest
+
+mquery().setReadPreference('primary') // alias of .read()
+```
+
+##### Preferences:
+
+- `primary` - (default) Read from primary only. Operations will produce an error if primary is unavailable. Cannot be combined with tags.
+- `secondary` - Read from secondary if available, otherwise error.
+- `primaryPreferred` - Read from primary if available, otherwise a secondary.
+- `secondaryPreferred` - Read from a secondary if available, otherwise read from the primary.
+- `nearest` - All operations read from among the nearest candidates, but unlike other modes, this option will include both the primary and all secondaries in the random selection.
+
+Aliases
+
+- `p`   primary
+- `pp`  primaryPreferred
+- `s`   secondary
+- `sp`  secondaryPreferred
+- `n`   nearest
+
+##### Preference Tags:
+
+To keep the separation of concerns between `mquery` and your driver
+clean, `mquery#read()` no longer handles specifying a second `tags` argument as of version 0.5.
+If you need to specify tags, pass any non-string argument as the first argument.
+`mquery` will pass this argument untouched to your collections methods later.
+For example:
+
+```js
+// example of specifying tags using the Node.js driver
+var ReadPref = require('mongodb').ReadPreference;
+var preference = new ReadPref('secondary', [{ dc:'sf', s: 1 },{ dc:'ma', s: 2 }]);
+mquery(..).read(preference).exec();
+```
+
+Read more about how to use read preferences [here](http://docs.mongodb.org/manual/applications/replication/#read-preference) and [here](http://mongodb.github.com/node-mongodb-native/driver-articles/anintroductionto1_1and2_2.html#read-preferences).
+
+
+### readConcern()
+
+Sets the readConcern option for the query.
+
+```js
+// local
+mquery().readConcern('local')
+mquery().readConcern('l')
+mquery().r('l')
+
+// available
+mquery().readConcern('available')
+mquery().readConcern('a')
+mquery().r('a')
+
+// majority
+mquery().readConcern('majority')
+mquery().readConcern('m')
+mquery().r('m')
+
+// linearizable
+mquery().readConcern('linearizable')
+mquery().readConcern('lz')
+mquery().r('lz')
+
+// snapshot
+mquery().readConcern('snapshot')
+mquery().readConcern('s')
+mquery().r('s')
+```
+
+##### Read Concern Level:
+
+- `local` - The query returns from the instance with no guarantee guarantee that the data has been written to a majority of the replica set members (i.e. may be rolled back). (MongoDB 3.2+)
+- `available` - The query returns from the instance with no guarantee guarantee that the data has been written to a majority of the replica set members (i.e. may be rolled back). (MongoDB 3.6+)
+- `majority` - The query returns the data that has been acknowledged by a majority of the replica set members. The documents returned by the read operation are durable, even in the event of failure. (MongoDB 3.2+)
+- `linearizable` - The query returns data that reflects all successful majority-acknowledged writes that completed prior to the start of the read operation. The query may wait for concurrently executing writes to propagate to a majority of replica set members before returning results. (MongoDB 3.4+)
+- `snapshot` - Only available for operations within multi-document transactions. Upon transaction commit with write concern "majority", the transaction operations are guaranteed to have read from a snapshot of majority-committed data. (MongoDB 4.0+)
+
+Aliases
+
+- `l`   local
+- `a`   available
+- `m`   majority
+- `lz`  linearizable
+- `s`   snapshot
+
+Read more about how to use read concern [here](https://docs.mongodb.com/manual/reference/read-concern/).
+
+### writeConcern()
+
+Sets the writeConcern option for the query.
+
+This option is only valid for operations that write to the database:
+
+- `deleteOne()`
+- `deleteMany()`
+- `findOneAndDelete()`
+- `findOneAndUpdate()`
+- `remove()`
+- `update()`
+- `updateOne()`
+- `updateMany()`
+
+```js
+mquery().writeConcern(0)
+mquery().writeConcern(1)
+mquery().writeConcern({ w: 1, j: true, wtimeout: 2000 })
+mquery().writeConcern('majority')
+mquery().writeConcern('m') // same as majority
+mquery().writeConcern('tagSetName') // if the tag set is 'm', use .writeConcern({ w: 'm' }) instead
+mquery().w(1) // w is alias of writeConcern
+```
+
+##### Write Concern:
+
+writeConcern({ w: `<value>`, j: `<boolean>`, wtimeout: `<number>` }`)
+
+- the w option to request acknowledgement that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags
+- the j option to request acknowledgement that the write operation has been written to the journal
+- the wtimeout option to specify a time limit to prevent write operations from blocking indefinitely
+
+Can be break down to use the following syntax:
+
+mquery().w(`<value>`).j(`<boolean>`).wtimeout(`<number>`)
+
+Read more about how to use write concern [here](https://docs.mongodb.com/manual/reference/write-concern/)
+
+### slaveOk()
+
+Sets the slaveOk option. `true` allows reading from secondaries.
+
+**deprecated** use [read()](#read) preferences instead if on mongodb >= 2.2
+
+```js
+query.slaveOk() // true
+query.slaveOk(true)
+query.slaveOk(false)
+```
+
+[MongoDB documentation](http://docs.mongodb.org/manual/reference/method/rs.slaveOk/)
+
+### snapshot()
+
+Specifies this query as a snapshot query.
+
+```js
+mquery().snapshot() // true
+mquery().snapshot(true)
+mquery().snapshot(false)
+```
+
+_Cannot be used with `distinct()`._
+
+[MongoDB documentation](http://docs.mongodb.org/manual/reference/operator/snapshot/)
+
+### tailable()
+
+Sets tailable option.
+
+```js
+mquery().tailable() <== true
+mquery().tailable(true)
+mquery().tailable(false)
+```
+
+_Cannot be used with `distinct()`._
+
+[MongoDB Documentation](http://docs.mongodb.org/manual/tutorial/create-tailable-cursor/)
+
+### wtimeout()
+
+Specifies a time limit, in milliseconds, for the write concern. If `w > 1`, it is maximum amount of time to
+wait for this write to propagate through the replica set before this operation fails. The default is `0`, which means no timeout.
+
+This option is only valid for operations that write to the database:
+
+- `deleteOne()`
+- `deleteMany()`
+- `findOneAndDelete()`
+- `findOneAndUpdate()`
+- `remove()`
+- `update()`
+- `updateOne()`
+- `updateMany()`
+
+Defaults to `wtimeout` value if it is specified in [writeConcern](#writeconcern)
+
+```js
+mquery().wtimeout(2000)
+mquery().wTimeout(2000)
+```
+
+## Helpers
+
+### collection()
+
+Sets the querys collection.
+
+```js
+mquery().collection(aCollection)
+```
+
+### then()
+
+Executes the query and returns a promise which will be resolved with the query results or rejected if the query responds with an error.
+
+```js
+mquery().find(..).then(success, error);
+```
+
+This is very useful when combined with [co](https://github.com/visionmedia/co) or [koa](https://github.com/koajs/koa), which automatically resolve promise-like objects for you.
+
+```js
+co(function*(){
+  var doc = yield mquery().findOne({ _id: 499 });
+  console.log(doc); // { _id: 499, name: 'amazing', .. }
+})();
+```
+
+_NOTE_:
+The returned promise is a [bluebird](https://github.com/petkaantonov/bluebird/) promise but this is customizable. If you want to
+use your favorite promise library, simply set `mquery.Promise = YourPromiseConstructor`.
+Your `Promise` must be [promises A+](http://promisesaplus.com/) compliant.
+
+### thunk()
+
+Returns a thunk which when called runs the query's `exec` method passing the results to the callback.
+
+```js
+var thunk = mquery(collection).find({..}).thunk();
+
+thunk(function(err, results) {
+
+})
+```
+
+### merge(object)
+
+Merges other mquery or match condition objects into this one. When an mquery instance is passed, its match conditions, field selection and options are merged.
+
+```js
+var drum = mquery({ type: 'drum' }).collection(instruments);
+var redDrum = mquery({ color: 'red' }).merge(drum);
+redDrum.count(function (err, n) {
+  console.log('there are %d red drums', n);
+})
+```
+
+Internally uses `mquery.canMerge` to determine validity.
+
+### setOptions(options)
+
+Sets query options.
+
+```js
+mquery().setOptions({ collection: coll, limit: 20 })
+```
+
+##### options
+
+- [tailable](#tailable) *
+- [sort](#sort) *
+- [limit](#limit) *
+- [skip](#skip) *
+- [maxScan](#maxscan) *
+- [maxTime](#maxtime) *
+- [batchSize](#batchSize) *
+- [comment](#comment) *
+- [snapshot](#snapshot) *
+- [hint](#hint) *
+- [collection](#collection): the collection to query against
+
+_* denotes a query helper method is also available_
+
+### setTraceFunction(func)
+
+Set a function to trace this query. Useful for profiling or logging.
+
+```js
+function traceFunction (method, queryInfo, query) {
+  console.log('starting ' + method + ' query');
+
+  return function (err, result, millis) {
+    console.log('finished ' + method + ' query in ' + millis + 'ms');
+  };
+}
+
+mquery().setTraceFunction(traceFunction).findOne({name: 'Joe'}, cb);
+```
+
+The trace function is passed (method, queryInfo, query)
+
+- method is the name of the method being called (e.g. findOne)
+- queryInfo contains information about the query:
+ - conditions: query conditions/criteria
+ - options: options such as sort, fields, etc
+ - doc: document being updated
+- query is the query object
+
+The trace function should return a callback function which accepts:
+- err: error, if any
+- result: result, if any
+- millis: time spent waiting for query result
+
+NOTE: stream requests are not traced.
+
+### mquery.setGlobalTraceFunction(func)
+
+Similar to `setTraceFunction()` but automatically applied to all queries.
+
+```js
+mquery.setTraceFunction(traceFunction);
+```
+
+### mquery.canMerge(conditions)
+
+Determines if `conditions` can be merged using `mquery().merge()`.
+
+```js
+var query = mquery({ type: 'drum' });
+var okToMerge = mquery.canMerge(anObject)
+if (okToMerge) {
+  query.merge(anObject);
+}
+```
+
+## mquery.use$geoWithin
+
+MongoDB 2.4 introduced the `$geoWithin` operator which replaces and is 100% backward compatible with `$within`. As of mquery 0.2, we default to using `$geoWithin` for all `within()` calls.
+
+If you are running MongoDB < 2.4 this will be problematic. To force `mquery` to be backward compatible and always use `$within`, set the `mquery.use$geoWithin` flag to `false`.
+
+```js
+mquery.use$geoWithin = false;
+```
+
+## Custom Base Queries
+
+Often times we want custom base queries that encapsulate predefined criteria. With `mquery` this is easy. First create the query you want to reuse and call its `toConstructor()` method which returns a new subclass of `mquery` that retains all options and criteria of the original.
+
+```js
+var greatMovies = mquery(movieCollection).where('rating').gte(4.5).toConstructor();
+
+// use it!
+greatMovies().count(function (err, n) {
+  console.log('There are %d great movies', n);
+});
+
+greatMovies().where({ name: /^Life/ }).select('name').find(function (err, docs) {
+  console.log(docs);
+});
+```
+
+## Validation
+
+Method and options combinations are checked for validity at runtime to prevent creation of invalid query constructs. For example, a `distinct` query does not support specifying options like `hint` or field selection. In this case an error will be thrown so you can catch these mistakes in development.
+
+## Debug support
+
+Debug mode is provided through the use of the [debug](https://github.com/visionmedia/debug) module. To enable:
+
+    DEBUG=mquery node yourprogram.js
+
+Read the debug module documentation for more details.
+
+## General compatibility
+
+#### ObjectIds
+
+`mquery` clones query arguments before passing them to a `collection` method for execution.
+This prevents accidental side-affects to the objects you pass.
+To clone `ObjectIds` we need to make some assumptions.
+
+First, to check if an object is an `ObjectId`, we check its constructors name. If it matches either
+`ObjectId` or `ObjectID` we clone it.
+
+To clone `ObjectIds`, we call its optional `clone` method. If a `clone` method does not exist, we fall
+back to calling `new obj.constructor(obj.id)`. We assume, for compatibility with the
+Node.js driver, that the `ObjectId` instance has a public `id` property and that
+when creating an `ObjectId` instance we can pass that `id` as an argument.
+
+#### Read Preferences
+
+`mquery` supports specifying [Read Preferences]() to control from which MongoDB node your query will read.
+The Read Preferences spec also support specifying tags. To pass tags, some
+drivers (Node.js driver) require passing a special constructor that handles both the read preference and its tags.
+If you need to specify tags, pass an instance of your drivers ReadPreference constructor or roll your own. `mquery` will store whatever you provide and pass later to your collection during execution.
+
+## Future goals
+
+  - mongo shell compatibility
+  - browser compatibility
+
+## Installation
+
+    $ npm install mquery
+
+## License
+
+[MIT](https://github.com/aheckmann/mquery/blob/master/LICENSE)
+
diff --git a/node_modules/mquery/SECURITY.md b/node_modules/mquery/SECURITY.md
new file mode 100644
index 000000000..41b89d834
--- /dev/null
+++ b/node_modules/mquery/SECURITY.md
@@ -0,0 +1 @@
+Please follow the instructions on [Tidelift's security page](https://tidelift.com/docs/security) to report a security issue.
diff --git a/node_modules/mquery/lib/collection/collection.js b/node_modules/mquery/lib/collection/collection.js
new file mode 100644
index 000000000..28b69828a
--- /dev/null
+++ b/node_modules/mquery/lib/collection/collection.js
@@ -0,0 +1,47 @@
+'use strict';
+
+/**
+ * methods a collection must implement
+ */
+
+const methods = [
+  'find',
+  'findOne',
+  'update',
+  'updateMany',
+  'updateOne',
+  'replaceOne',
+  'remove',
+  'count',
+  'distinct',
+  'findOneAndDelete',
+  'findOneAndUpdate',
+  'aggregate',
+  'findCursor',
+  'deleteOne',
+  'deleteMany'
+];
+
+/**
+ * Collection base class from which implementations inherit
+ */
+
+function Collection() {}
+
+for (let i = 0, len = methods.length; i < len; ++i) {
+  const method = methods[i];
+  Collection.prototype[method] = notImplemented(method);
+}
+
+module.exports = exports = Collection;
+Collection.methods = methods;
+
+/**
+ * creates a function which throws an implementation error
+ */
+
+function notImplemented(method) {
+  return function() {
+    throw new Error('collection.' + method + ' not implemented');
+  };
+}
diff --git a/node_modules/mquery/lib/collection/index.js b/node_modules/mquery/lib/collection/index.js
new file mode 100644
index 000000000..4faa03220
--- /dev/null
+++ b/node_modules/mquery/lib/collection/index.js
@@ -0,0 +1,13 @@
+'use strict';
+
+const env = require('../env');
+
+if ('unknown' == env.type) {
+  throw new Error('Unknown environment');
+}
+
+module.exports =
+  env.isNode ? require('./node') :
+    env.isMongo ? require('./collection') :
+      require('./collection');
+
diff --git a/node_modules/mquery/lib/collection/node.js b/node_modules/mquery/lib/collection/node.js
new file mode 100644
index 000000000..c84e416c6
--- /dev/null
+++ b/node_modules/mquery/lib/collection/node.js
@@ -0,0 +1,132 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+
+const Collection = require('./collection');
+
+class NodeCollection extends Collection {
+  constructor(col) {
+    super();
+
+    this.collection = col;
+    this.collectionName = col.collectionName;
+  }
+
+  /**
+   * find(match, options, function(err, docs))
+   */
+  find(match, options, cb) {
+    const cursor = this.collection.find(match, options);
+
+    try {
+      cursor.toArray(cb);
+    } catch (error) {
+      cb(error);
+    }
+  }
+
+  /**
+   * findOne(match, options, function(err, doc))
+   */
+  findOne(match, options, cb) {
+    this.collection.findOne(match, options, cb);
+  }
+
+  /**
+   * count(match, options, function(err, count))
+   */
+  count(match, options, cb) {
+    this.collection.count(match, options, cb);
+  }
+
+  /**
+   * distinct(prop, match, options, function(err, count))
+   */
+  distinct(prop, match, options, cb) {
+    this.collection.distinct(prop, match, options, cb);
+  }
+
+  /**
+   * update(match, update, options, function(err[, result]))
+   */
+  update(match, update, options, cb) {
+    this.collection.update(match, update, options, cb);
+  }
+
+  /**
+   * update(match, update, options, function(err[, result]))
+   */
+  updateMany(match, update, options, cb) {
+    this.collection.updateMany(match, update, options, cb);
+  }
+
+  /**
+   * update(match, update, options, function(err[, result]))
+   */
+  updateOne(match, update, options, cb) {
+    this.collection.updateOne(match, update, options, cb);
+  }
+
+  /**
+   * replaceOne(match, update, options, function(err[, result]))
+   */
+  replaceOne(match, update, options, cb) {
+    this.collection.replaceOne(match, update, options, cb);
+  }
+
+  /**
+   * deleteOne(match, options, function(err[, result])
+   */
+  deleteOne(match, options, cb) {
+    this.collection.deleteOne(match, options, cb);
+  }
+
+  /**
+   * deleteMany(match, options, function(err[, result])
+   */
+  deleteMany(match, options, cb) {
+    this.collection.deleteMany(match, options, cb);
+  }
+
+  /**
+   * remove(match, options, function(err[, result])
+   */
+  remove(match, options, cb) {
+    this.collection.remove(match, options, cb);
+  }
+
+  /**
+   * findOneAndDelete(match, options, function(err[, result])
+   */
+  findOneAndDelete(match, options, cb) {
+    this.collection.findOneAndDelete(match, options, cb);
+  }
+
+  /**
+   * findOneAndUpdate(match, update, options, function(err[, result])
+   */
+  findOneAndUpdate(match, update, options, cb) {
+    this.collection.findOneAndUpdate(match, update, options, cb);
+  }
+
+  /**
+   * var cursor = findCursor(match, options)
+   */
+  findCursor(match, options) {
+    return this.collection.find(match, options);
+  }
+
+  /**
+   * aggregation(operators..., function(err, doc))
+   * TODO
+   */
+}
+
+
+/**
+ * Expose
+ */
+
+module.exports = exports = NodeCollection;
diff --git a/node_modules/mquery/lib/env.js b/node_modules/mquery/lib/env.js
new file mode 100644
index 000000000..d3d225b7c
--- /dev/null
+++ b/node_modules/mquery/lib/env.js
@@ -0,0 +1,22 @@
+'use strict';
+
+exports.isNode = 'undefined' != typeof process
+           && 'object' == typeof module
+           && 'object' == typeof global
+           && 'function' == typeof Buffer
+           && process.argv;
+
+exports.isMongo = !exports.isNode
+           && 'function' == typeof printjson
+           && 'function' == typeof ObjectId
+           && 'function' == typeof rs
+           && 'function' == typeof sh;
+
+exports.isBrowser = !exports.isNode
+                 && !exports.isMongo
+                 && 'undefined' != typeof window;
+
+exports.type = exports.isNode ? 'node'
+  : exports.isMongo ? 'mongo'
+    : exports.isBrowser ? 'browser'
+      : 'unknown';
diff --git a/node_modules/mquery/lib/mquery.js b/node_modules/mquery/lib/mquery.js
new file mode 100644
index 000000000..722ba3644
--- /dev/null
+++ b/node_modules/mquery/lib/mquery.js
@@ -0,0 +1,3198 @@
+'use strict';
+
+/**
+ * Dependencies
+ */
+
+const assert = require('assert');
+const util = require('util');
+const utils = require('./utils');
+const debug = require('debug')('mquery');
+
+/**
+ * Query constructor used for building queries.
+ *
+ * ####Example:
+ *
+ *     var query = new Query({ name: 'mquery' });
+ *     query.setOptions({ collection: moduleCollection })
+ *     query.where('age').gte(21).exec(callback);
+ *
+ * @param {Object} [criteria]
+ * @param {Object} [options]
+ * @api public
+ */
+
+function Query(criteria, options) {
+  if (!(this instanceof Query))
+    return new Query(criteria, options);
+
+  const proto = this.constructor.prototype;
+
+  this.op = proto.op || undefined;
+
+  this.options = Object.assign({}, proto.options);
+
+  this._conditions = proto._conditions
+    ? utils.clone(proto._conditions)
+    : {};
+
+  this._fields = proto._fields
+    ? utils.clone(proto._fields)
+    : undefined;
+
+  this._update = proto._update
+    ? utils.clone(proto._update)
+    : undefined;
+
+  this._path = proto._path || undefined;
+  this._distinct = proto._distinct || undefined;
+  this._collection = proto._collection || undefined;
+  this._traceFunction = proto._traceFunction || undefined;
+
+  if (options) {
+    this.setOptions(options);
+  }
+
+  if (criteria) {
+    if (criteria.find && criteria.remove && criteria.update) {
+      // quack quack!
+      this.collection(criteria);
+    } else {
+      this.find(criteria);
+    }
+  }
+}
+
+/**
+ * This is a parameter that the user can set which determines if mquery
+ * uses $within or $geoWithin for queries. It defaults to true which
+ * means $geoWithin will be used. If using MongoDB < 2.4 you should
+ * set this to false.
+ *
+ * @api public
+ * @property use$geoWithin
+ */
+
+let $withinCmd = '$geoWithin';
+Object.defineProperty(Query, 'use$geoWithin', {
+  get: function() { return $withinCmd == '$geoWithin'; },
+  set: function(v) {
+    if (true === v) {
+      // mongodb >= 2.4
+      $withinCmd = '$geoWithin';
+    } else {
+      $withinCmd = '$within';
+    }
+  }
+});
+
+/**
+ * Converts this query to a constructor function with all arguments and options retained.
+ *
+ * ####Example
+ *
+ *     // Create a query that will read documents with a "video" category from
+ *     // `aCollection` on the primary node in the replica-set unless it is down,
+ *     // in which case we'll read from a secondary node.
+ *     var query = mquery({ category: 'video' })
+ *     query.setOptions({ collection: aCollection, read: 'primaryPreferred' });
+ *
+ *     // create a constructor based off these settings
+ *     var Video = query.toConstructor();
+ *
+ *     // Video is now a subclass of mquery() and works the same way but with the
+ *     // default query parameters and options set.
+ *
+ *     // run a query with the previous settings but filter for movies with names
+ *     // that start with "Life".
+ *     Video().where({ name: /^Life/ }).exec(cb);
+ *
+ * @return {Query} new Query
+ * @api public
+ */
+
+Query.prototype.toConstructor = function toConstructor() {
+  function CustomQuery(criteria, options) {
+    if (!(this instanceof CustomQuery))
+      return new CustomQuery(criteria, options);
+    Query.call(this, criteria, options);
+  }
+
+  utils.inherits(CustomQuery, Query);
+
+  // set inherited defaults
+  const p = CustomQuery.prototype;
+
+  p.options = {};
+  p.setOptions(this.options);
+
+  p.op = this.op;
+  p._conditions = utils.clone(this._conditions);
+  p._fields = utils.clone(this._fields);
+  p._update = utils.clone(this._update);
+  p._path = this._path;
+  p._distinct = this._distinct;
+  p._collection = this._collection;
+  p._traceFunction = this._traceFunction;
+
+  return CustomQuery;
+};
+
+/**
+ * Sets query options.
+ *
+ * ####Options:
+ *
+ * - [tailable](http://www.mongodb.org/display/DOCS/Tailable+Cursors) *
+ * - [sort](http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Bsort(\)%7D%7D) *
+ * - [limit](http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Blimit%28%29%7D%7D) *
+ * - [skip](http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Bskip%28%29%7D%7D) *
+ * - [maxScan](http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%24maxScan) *
+ * - [maxTime](http://docs.mongodb.org/manual/reference/operator/meta/maxTimeMS/#op._S_maxTimeMS) *
+ * - [batchSize](http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7BbatchSize%28%29%7D%7D) *
+ * - [comment](http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%24comment) *
+ * - [snapshot](http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Bsnapshot%28%29%7D%7D) *
+ * - [hint](http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%24hint) *
+ * - [slaveOk](http://docs.mongodb.org/manual/applications/replication/#read-preference) *
+ * - [safe](http://www.mongodb.org/display/DOCS/getLastError+Command)
+ * - collection the collection to query against
+ *
+ * _* denotes a query helper method is also available_
+ *
+ * @param {Object} options
+ * @api public
+ */
+
+Query.prototype.setOptions = function(options) {
+  if (!(options && utils.isObject(options)))
+    return this;
+
+  // set arbitrary options
+  const methods = utils.keys(options);
+  let method;
+
+  for (let i = 0; i < methods.length; ++i) {
+    method = methods[i];
+
+    // use methods if exist (safer option manipulation)
+    if ('function' == typeof this[method]) {
+      const args = Array.isArray(options[method])
+        ? options[method]
+        : [options[method]];
+      this[method].apply(this, args);
+    } else {
+      this.options[method] = options[method];
+    }
+  }
+
+  return this;
+};
+
+/**
+ * Sets this Querys collection.
+ *
+ * @param {Collection} coll
+ * @return {Query} this
+ */
+
+Query.prototype.collection = function collection(coll) {
+  this._collection = new Query.Collection(coll);
+
+  return this;
+};
+
+/**
+ * Adds a collation to this op (MongoDB 3.4 and up)
+ *
+ * ####Example
+ *
+ *     query.find().collation({ locale: "en_US", strength: 1 })
+ *
+ * @param {Object} value
+ * @return {Query} this
+ * @see MongoDB docs https://docs.mongodb.com/manual/reference/method/cursor.collation/#cursor.collation
+ * @api public
+ */
+
+Query.prototype.collation = function(value) {
+  this.options.collation = value;
+  return this;
+};
+
+/**
+ * Specifies a `$where` condition
+ *
+ * Use `$where` when you need to select documents using a JavaScript expression.
+ *
+ * ####Example
+ *
+ *     query.$where('this.comments.length > 10 || this.name.length > 5')
+ *
+ *     query.$where(function () {
+ *       return this.comments.length > 10 || this.name.length > 5;
+ *     })
+ *
+ * @param {String|Function} js javascript string or function
+ * @return {Query} this
+ * @memberOf Query
+ * @method $where
+ * @api public
+ */
+
+Query.prototype.$where = function(js) {
+  this._conditions.$where = js;
+  return this;
+};
+
+/**
+ * Specifies a `path` for use with chaining.
+ *
+ * ####Example
+ *
+ *     // instead of writing:
+ *     User.find({age: {$gte: 21, $lte: 65}}, callback);
+ *
+ *     // we can instead write:
+ *     User.where('age').gte(21).lte(65);
+ *
+ *     // passing query conditions is permitted
+ *     User.find().where({ name: 'vonderful' })
+ *
+ *     // chaining
+ *     User
+ *     .where('age').gte(21).lte(65)
+ *     .where('name', /^vonderful/i)
+ *     .where('friends').slice(10)
+ *     .exec(callback)
+ *
+ * @param {String} [path]
+ * @param {Object} [val]
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.where = function() {
+  if (!arguments.length) return this;
+  if (!this.op) this.op = 'find';
+
+  const type = typeof arguments[0];
+
+  if ('string' == type) {
+    this._path = arguments[0];
+
+    if (2 === arguments.length) {
+      this._conditions[this._path] = arguments[1];
+    }
+
+    return this;
+  }
+
+  if ('object' == type && !Array.isArray(arguments[0])) {
+    return this.merge(arguments[0]);
+  }
+
+  throw new TypeError('path must be a string or object');
+};
+
+/**
+ * Specifies the complementary comparison value for paths specified with `where()`
+ *
+ * ####Example
+ *
+ *     User.where('age').equals(49);
+ *
+ *     // is the same as
+ *
+ *     User.where('age', 49);
+ *
+ * @param {Object} val
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.equals = function equals(val) {
+  this._ensurePath('equals');
+  const path = this._path;
+  this._conditions[path] = val;
+  return this;
+};
+
+/**
+ * Specifies the complementary comparison value for paths specified with `where()`
+ * This is alias of `equals`
+ *
+ * ####Example
+ *
+ *     User.where('age').eq(49);
+ *
+ *     // is the same as
+ *
+ *     User.shere('age').equals(49);
+ *
+ *     // is the same as
+ *
+ *     User.where('age', 49);
+ *
+ * @param {Object} val
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.eq = function eq(val) {
+  this._ensurePath('eq');
+  const path = this._path;
+  this._conditions[path] = val;
+  return this;
+};
+
+/**
+ * Specifies arguments for an `$or` condition.
+ *
+ * ####Example
+ *
+ *     query.or([{ color: 'red' }, { status: 'emergency' }])
+ *
+ * @param {Array} array array of conditions
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.or = function or(array) {
+  const or = this._conditions.$or || (this._conditions.$or = []);
+  if (!Array.isArray(array)) array = [array];
+  or.push.apply(or, array);
+  return this;
+};
+
+/**
+ * Specifies arguments for a `$nor` condition.
+ *
+ * ####Example
+ *
+ *     query.nor([{ color: 'green' }, { status: 'ok' }])
+ *
+ * @param {Array} array array of conditions
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.nor = function nor(array) {
+  const nor = this._conditions.$nor || (this._conditions.$nor = []);
+  if (!Array.isArray(array)) array = [array];
+  nor.push.apply(nor, array);
+  return this;
+};
+
+/**
+ * Specifies arguments for a `$and` condition.
+ *
+ * ####Example
+ *
+ *     query.and([{ color: 'green' }, { status: 'ok' }])
+ *
+ * @see $and http://docs.mongodb.org/manual/reference/operator/and/
+ * @param {Array} array array of conditions
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.and = function and(array) {
+  const and = this._conditions.$and || (this._conditions.$and = []);
+  if (!Array.isArray(array)) array = [array];
+  and.push.apply(and, array);
+  return this;
+};
+
+/**
+ * Specifies a $gt query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * ####Example
+ *
+ *     Thing.find().where('age').gt(21)
+ *
+ *     // or
+ *     Thing.find().gt('age', 21)
+ *
+ * @method gt
+ * @memberOf Query
+ * @param {String} [path]
+ * @param {Number} val
+ * @api public
+ */
+
+/**
+ * Specifies a $gte query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @method gte
+ * @memberOf Query
+ * @param {String} [path]
+ * @param {Number} val
+ * @api public
+ */
+
+/**
+ * Specifies a $lt query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @method lt
+ * @memberOf Query
+ * @param {String} [path]
+ * @param {Number} val
+ * @api public
+ */
+
+/**
+ * Specifies a $lte query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @method lte
+ * @memberOf Query
+ * @param {String} [path]
+ * @param {Number} val
+ * @api public
+ */
+
+/**
+ * Specifies a $ne query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @method ne
+ * @memberOf Query
+ * @param {String} [path]
+ * @param {Number} val
+ * @api public
+ */
+
+/**
+ * Specifies an $in query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @method in
+ * @memberOf Query
+ * @param {String} [path]
+ * @param {Number} val
+ * @api public
+ */
+
+/**
+ * Specifies an $nin query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @method nin
+ * @memberOf Query
+ * @param {String} [path]
+ * @param {Number} val
+ * @api public
+ */
+
+/**
+ * Specifies an $all query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @method all
+ * @memberOf Query
+ * @param {String} [path]
+ * @param {Number} val
+ * @api public
+ */
+
+/**
+ * Specifies a $size query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @method size
+ * @memberOf Query
+ * @param {String} [path]
+ * @param {Number} val
+ * @api public
+ */
+
+/**
+ * Specifies a $regex query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @method regex
+ * @memberOf Query
+ * @param {String} [path]
+ * @param {String|RegExp} val
+ * @api public
+ */
+
+/**
+ * Specifies a $maxDistance query condition.
+ *
+ * When called with one argument, the most recent path passed to `where()` is used.
+ *
+ * @method maxDistance
+ * @memberOf Query
+ * @param {String} [path]
+ * @param {Number} val
+ * @api public
+ */
+
+/*!
+ * gt, gte, lt, lte, ne, in, nin, all, regex, size, maxDistance
+ *
+ *     Thing.where('type').nin(array)
+ */
+
+'gt gte lt lte ne in nin all regex size maxDistance minDistance'.split(' ').forEach(function($conditional) {
+  Query.prototype[$conditional] = function() {
+    let path, val;
+
+    if (1 === arguments.length) {
+      this._ensurePath($conditional);
+      val = arguments[0];
+      path = this._path;
+    } else {
+      val = arguments[1];
+      path = arguments[0];
+    }
+
+    const conds = this._conditions[path] === null || typeof this._conditions[path] === 'object' ?
+      this._conditions[path] :
+      (this._conditions[path] = {});
+    conds['$' + $conditional] = val;
+    return this;
+  };
+});
+
+/**
+ * Specifies a `$mod` condition
+ *
+ * @param {String} [path]
+ * @param {Number} val
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.mod = function() {
+  let val, path;
+
+  if (1 === arguments.length) {
+    this._ensurePath('mod');
+    val = arguments[0];
+    path = this._path;
+  } else if (2 === arguments.length && !Array.isArray(arguments[1])) {
+    this._ensurePath('mod');
+    val = [arguments[0], arguments[1]];
+    path = this._path;
+  } else if (3 === arguments.length) {
+    val = [arguments[1], arguments[2]];
+    path = arguments[0];
+  } else {
+    val = arguments[1];
+    path = arguments[0];
+  }
+
+  const conds = this._conditions[path] || (this._conditions[path] = {});
+  conds.$mod = val;
+  return this;
+};
+
+/**
+ * Specifies an `$exists` condition
+ *
+ * ####Example
+ *
+ *     // { name: { $exists: true }}
+ *     Thing.where('name').exists()
+ *     Thing.where('name').exists(true)
+ *     Thing.find().exists('name')
+ *
+ *     // { name: { $exists: false }}
+ *     Thing.where('name').exists(false);
+ *     Thing.find().exists('name', false);
+ *
+ * @param {String} [path]
+ * @param {Number} val
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.exists = function() {
+  let path, val;
+
+  if (0 === arguments.length) {
+    this._ensurePath('exists');
+    path = this._path;
+    val = true;
+  } else if (1 === arguments.length) {
+    if ('boolean' === typeof arguments[0]) {
+      this._ensurePath('exists');
+      path = this._path;
+      val = arguments[0];
+    } else {
+      path = arguments[0];
+      val = true;
+    }
+  } else if (2 === arguments.length) {
+    path = arguments[0];
+    val = arguments[1];
+  }
+
+  const conds = this._conditions[path] || (this._conditions[path] = {});
+  conds.$exists = val;
+  return this;
+};
+
+/**
+ * Specifies an `$elemMatch` condition
+ *
+ * ####Example
+ *
+ *     query.elemMatch('comment', { author: 'autobot', votes: {$gte: 5}})
+ *
+ *     query.where('comment').elemMatch({ author: 'autobot', votes: {$gte: 5}})
+ *
+ *     query.elemMatch('comment', function (elem) {
+ *       elem.where('author').equals('autobot');
+ *       elem.where('votes').gte(5);
+ *     })
+ *
+ *     query.where('comment').elemMatch(function (elem) {
+ *       elem.where({ author: 'autobot' });
+ *       elem.where('votes').gte(5);
+ *     })
+ *
+ * @param {String|Object|Function} path
+ * @param {Object|Function} criteria
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.elemMatch = function() {
+  if (null == arguments[0])
+    throw new TypeError('Invalid argument');
+
+  let fn, path, criteria;
+
+  if ('function' === typeof arguments[0]) {
+    this._ensurePath('elemMatch');
+    path = this._path;
+    fn = arguments[0];
+  } else if (utils.isObject(arguments[0])) {
+    this._ensurePath('elemMatch');
+    path = this._path;
+    criteria = arguments[0];
+  } else if ('function' === typeof arguments[1]) {
+    path = arguments[0];
+    fn = arguments[1];
+  } else if (arguments[1] && utils.isObject(arguments[1])) {
+    path = arguments[0];
+    criteria = arguments[1];
+  } else {
+    throw new TypeError('Invalid argument');
+  }
+
+  if (fn) {
+    criteria = new Query;
+    fn(criteria);
+    criteria = criteria._conditions;
+  }
+
+  const conds = this._conditions[path] || (this._conditions[path] = {});
+  conds.$elemMatch = criteria;
+  return this;
+};
+
+// Spatial queries
+
+/**
+ * Sugar for geo-spatial queries.
+ *
+ * ####Example
+ *
+ *     query.within().box()
+ *     query.within().circle()
+ *     query.within().geometry()
+ *
+ *     query.where('loc').within({ center: [50,50], radius: 10, unique: true, spherical: true });
+ *     query.where('loc').within({ box: [[40.73, -73.9], [40.7, -73.988]] });
+ *     query.where('loc').within({ polygon: [[],[],[],[]] });
+ *
+ *     query.where('loc').within([], [], []) // polygon
+ *     query.where('loc').within([], []) // box
+ *     query.where('loc').within({ type: 'LineString', coordinates: [...] }); // geometry
+ *
+ * ####NOTE:
+ *
+ * Must be used after `where()`.
+ *
+ * @memberOf Query
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.within = function within() {
+  // opinionated, must be used after where
+  this._ensurePath('within');
+  this._geoComparison = $withinCmd;
+
+  if (0 === arguments.length) {
+    return this;
+  }
+
+  if (2 === arguments.length) {
+    return this.box.apply(this, arguments);
+  } else if (2 < arguments.length) {
+    return this.polygon.apply(this, arguments);
+  }
+
+  const area = arguments[0];
+
+  if (!area)
+    throw new TypeError('Invalid argument');
+
+  if (area.center)
+    return this.circle(area);
+
+  if (area.box)
+    return this.box.apply(this, area.box);
+
+  if (area.polygon)
+    return this.polygon.apply(this, area.polygon);
+
+  if (area.type && area.coordinates)
+    return this.geometry(area);
+
+  throw new TypeError('Invalid argument');
+};
+
+/**
+ * Specifies a $box condition
+ *
+ * ####Example
+ *
+ *     var lowerLeft = [40.73083, -73.99756]
+ *     var upperRight= [40.741404,  -73.988135]
+ *
+ *     query.where('loc').within().box(lowerLeft, upperRight)
+ *     query.box('loc', lowerLeft, upperRight )
+ *
+ * @see http://www.mongodb.org/display/DOCS/Geospatial+Indexing
+ * @see Query#within #query_Query-within
+ * @param {String} path
+ * @param {Object} val
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.box = function() {
+  let path, box;
+
+  if (3 === arguments.length) {
+    // box('loc', [], [])
+    path = arguments[0];
+    box = [arguments[1], arguments[2]];
+  } else if (2 === arguments.length) {
+    // box([], [])
+    this._ensurePath('box');
+    path = this._path;
+    box = [arguments[0], arguments[1]];
+  } else {
+    throw new TypeError('Invalid argument');
+  }
+
+  const conds = this._conditions[path] || (this._conditions[path] = {});
+  conds[this._geoComparison || $withinCmd] = { $box: box };
+  return this;
+};
+
+/**
+ * Specifies a $polygon condition
+ *
+ * ####Example
+ *
+ *     query.where('loc').within().polygon([10,20], [13, 25], [7,15])
+ *     query.polygon('loc', [10,20], [13, 25], [7,15])
+ *
+ * @param {String|Array} [path]
+ * @param {Array|Object} [val]
+ * @return {Query} this
+ * @see http://www.mongodb.org/display/DOCS/Geospatial+Indexing
+ * @api public
+ */
+
+Query.prototype.polygon = function() {
+  let val, path;
+
+  if ('string' == typeof arguments[0]) {
+    // polygon('loc', [],[],[])
+    val = Array.from(arguments);
+    path = val.shift();
+  } else {
+    // polygon([],[],[])
+    this._ensurePath('polygon');
+    path = this._path;
+    val = Array.from(arguments);
+  }
+
+  const conds = this._conditions[path] || (this._conditions[path] = {});
+  conds[this._geoComparison || $withinCmd] = { $polygon: val };
+  return this;
+};
+
+/**
+ * Specifies a $center or $centerSphere condition.
+ *
+ * ####Example
+ *
+ *     var area = { center: [50, 50], radius: 10, unique: true }
+ *     query.where('loc').within().circle(area)
+ *     query.center('loc', area);
+ *
+ *     // for spherical calculations
+ *     var area = { center: [50, 50], radius: 10, unique: true, spherical: true }
+ *     query.where('loc').within().circle(area)
+ *     query.center('loc', area);
+ *
+ * @param {String} [path]
+ * @param {Object} area
+ * @return {Query} this
+ * @see http://www.mongodb.org/display/DOCS/Geospatial+Indexing
+ * @api public
+ */
+
+Query.prototype.circle = function() {
+  let path, val;
+
+  if (1 === arguments.length) {
+    this._ensurePath('circle');
+    path = this._path;
+    val = arguments[0];
+  } else if (2 === arguments.length) {
+    path = arguments[0];
+    val = arguments[1];
+  } else {
+    throw new TypeError('Invalid argument');
+  }
+
+  if (!('radius' in val && val.center))
+    throw new Error('center and radius are required');
+
+  const conds = this._conditions[path] || (this._conditions[path] = {});
+
+  const type = val.spherical
+    ? '$centerSphere'
+    : '$center';
+
+  const wKey = this._geoComparison || $withinCmd;
+  conds[wKey] = {};
+  conds[wKey][type] = [val.center, val.radius];
+
+  if ('unique' in val)
+    conds[wKey].$uniqueDocs = !!val.unique;
+
+  return this;
+};
+
+/**
+ * Specifies a `$near` or `$nearSphere` condition
+ *
+ * These operators return documents sorted by distance.
+ *
+ * ####Example
+ *
+ *     query.where('loc').near({ center: [10, 10] });
+ *     query.where('loc').near({ center: [10, 10], maxDistance: 5 });
+ *     query.where('loc').near({ center: [10, 10], maxDistance: 5, spherical: true });
+ *     query.near('loc', { center: [10, 10], maxDistance: 5 });
+ *     query.near({ center: { type: 'Point', coordinates: [..] }})
+ *     query.near().geometry({ type: 'Point', coordinates: [..] })
+ *
+ * @param {String} [path]
+ * @param {Object} val
+ * @return {Query} this
+ * @see http://www.mongodb.org/display/DOCS/Geospatial+Indexing
+ * @api public
+ */
+
+Query.prototype.near = function near() {
+  let path, val;
+
+  this._geoComparison = '$near';
+
+  if (0 === arguments.length) {
+    return this;
+  } else if (1 === arguments.length) {
+    this._ensurePath('near');
+    path = this._path;
+    val = arguments[0];
+  } else if (2 === arguments.length) {
+    path = arguments[0];
+    val = arguments[1];
+  } else {
+    throw new TypeError('Invalid argument');
+  }
+
+  if (!val.center) {
+    throw new Error('center is required');
+  }
+
+  const conds = this._conditions[path] || (this._conditions[path] = {});
+
+  const type = val.spherical
+    ? '$nearSphere'
+    : '$near';
+
+  // center could be a GeoJSON object or an Array
+  if (Array.isArray(val.center)) {
+    conds[type] = val.center;
+
+    const radius = 'maxDistance' in val
+      ? val.maxDistance
+      : null;
+
+    if (null != radius) {
+      conds.$maxDistance = radius;
+    }
+    if (null != val.minDistance) {
+      conds.$minDistance = val.minDistance;
+    }
+  } else {
+    // GeoJSON?
+    if (val.center.type != 'Point' || !Array.isArray(val.center.coordinates)) {
+      throw new Error(util.format('Invalid GeoJSON specified for %s', type));
+    }
+    conds[type] = { $geometry: val.center };
+
+    // MongoDB 2.6 insists on maxDistance being in $near / $nearSphere
+    if ('maxDistance' in val) {
+      conds[type]['$maxDistance'] = val.maxDistance;
+    }
+    if ('minDistance' in val) {
+      conds[type]['$minDistance'] = val.minDistance;
+    }
+  }
+
+  return this;
+};
+
+/**
+ * Declares an intersects query for `geometry()`.
+ *
+ * ####Example
+ *
+ *     query.where('path').intersects().geometry({
+ *         type: 'LineString'
+ *       , coordinates: [[180.0, 11.0], [180, 9.0]]
+ *     })
+ *
+ *     query.where('path').intersects({
+ *         type: 'LineString'
+ *       , coordinates: [[180.0, 11.0], [180, 9.0]]
+ *     })
+ *
+ * @param {Object} [arg]
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.intersects = function intersects() {
+  // opinionated, must be used after where
+  this._ensurePath('intersects');
+
+  this._geoComparison = '$geoIntersects';
+
+  if (0 === arguments.length) {
+    return this;
+  }
+
+  const area = arguments[0];
+
+  if (null != area && area.type && area.coordinates)
+    return this.geometry(area);
+
+  throw new TypeError('Invalid argument');
+};
+
+/**
+ * Specifies a `$geometry` condition
+ *
+ * ####Example
+ *
+ *     var polyA = [[[ 10, 20 ], [ 10, 40 ], [ 30, 40 ], [ 30, 20 ]]]
+ *     query.where('loc').within().geometry({ type: 'Polygon', coordinates: polyA })
+ *
+ *     // or
+ *     var polyB = [[ 0, 0 ], [ 1, 1 ]]
+ *     query.where('loc').within().geometry({ type: 'LineString', coordinates: polyB })
+ *
+ *     // or
+ *     var polyC = [ 0, 0 ]
+ *     query.where('loc').within().geometry({ type: 'Point', coordinates: polyC })
+ *
+ *     // or
+ *     query.where('loc').intersects().geometry({ type: 'Point', coordinates: polyC })
+ *
+ * ####NOTE:
+ *
+ * `geometry()` **must** come after either `intersects()` or `within()`.
+ *
+ * The `object` argument must contain `type` and `coordinates` properties.
+ * - type {String}
+ * - coordinates {Array}
+ *
+ * The most recent path passed to `where()` is used.
+ *
+ * @param {Object} object Must contain a `type` property which is a String and a `coordinates` property which is an Array. See the examples.
+ * @return {Query} this
+ * @see http://docs.mongodb.org/manual/release-notes/2.4/#new-geospatial-indexes-with-geojson-and-improved-spherical-geometry
+ * @see http://www.mongodb.org/display/DOCS/Geospatial+Indexing
+ * @see $geometry http://docs.mongodb.org/manual/reference/operator/geometry/
+ * @api public
+ */
+
+Query.prototype.geometry = function geometry() {
+  if (!('$within' == this._geoComparison ||
+        '$geoWithin' == this._geoComparison ||
+        '$near' == this._geoComparison ||
+        '$geoIntersects' == this._geoComparison)) {
+    throw new Error('geometry() must come after `within()`, `intersects()`, or `near()');
+  }
+
+  let val, path;
+
+  if (1 === arguments.length) {
+    this._ensurePath('geometry');
+    path = this._path;
+    val = arguments[0];
+  } else {
+    throw new TypeError('Invalid argument');
+  }
+
+  if (!(val.type && Array.isArray(val.coordinates))) {
+    throw new TypeError('Invalid argument');
+  }
+
+  const conds = this._conditions[path] || (this._conditions[path] = {});
+  conds[this._geoComparison] = { $geometry: val };
+
+  return this;
+};
+
+// end spatial
+
+/**
+ * Specifies which document fields to include or exclude
+ *
+ * ####String syntax
+ *
+ * When passing a string, prefixing a path with `-` will flag that path as excluded. When a path does not have the `-` prefix, it is included.
+ *
+ * ####Example
+ *
+ *     // include a and b, exclude c
+ *     query.select('a b -c');
+ *
+ *     // or you may use object notation, useful when
+ *     // you have keys already prefixed with a "-"
+ *     query.select({a: 1, b: 1, c: 0});
+ *
+ * ####Note
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @param {Object|String} arg
+ * @return {Query} this
+ * @see SchemaType
+ * @api public
+ */
+
+Query.prototype.select = function select() {
+  let arg = arguments[0];
+  if (!arg) return this;
+
+  if (arguments.length !== 1) {
+    throw new Error('Invalid select: select only takes 1 argument');
+  }
+
+  this._validate('select');
+
+  const fields = this._fields || (this._fields = {});
+  const type = typeof arg;
+  let i, len;
+
+  if (('string' == type || utils.isArgumentsObject(arg)) &&
+    'number' == typeof arg.length || Array.isArray(arg)) {
+    if ('string' == type)
+      arg = arg.split(/\s+/);
+
+    for (i = 0, len = arg.length; i < len; ++i) {
+      let field = arg[i];
+      if (!field) continue;
+      const include = '-' == field[0] ? 0 : 1;
+      if (include === 0) field = field.substring(1);
+      fields[field] = include;
+    }
+
+    return this;
+  }
+
+  if (utils.isObject(arg)) {
+    const keys = utils.keys(arg);
+    for (i = 0; i < keys.length; ++i) {
+      fields[keys[i]] = arg[keys[i]];
+    }
+    return this;
+  }
+
+  throw new TypeError('Invalid select() argument. Must be string or object.');
+};
+
+/**
+ * Specifies a $slice condition for a `path`
+ *
+ * ####Example
+ *
+ *     query.slice('comments', 5)
+ *     query.slice('comments', -5)
+ *     query.slice('comments', [10, 5])
+ *     query.where('comments').slice(5)
+ *     query.where('comments').slice([-10, 5])
+ *
+ * @param {String} [path]
+ * @param {Number} val number/range of elements to slice
+ * @return {Query} this
+ * @see mongodb http://www.mongodb.org/display/DOCS/Retrieving+a+Subset+of+Fields#RetrievingaSubsetofFields-RetrievingaSubrangeofArrayElements
+ * @api public
+ */
+
+Query.prototype.slice = function() {
+  if (0 === arguments.length)
+    return this;
+
+  this._validate('slice');
+
+  let path, val;
+
+  if (1 === arguments.length) {
+    const arg = arguments[0];
+    if (typeof arg === 'object' && !Array.isArray(arg)) {
+      const keys = Object.keys(arg);
+      const numKeys = keys.length;
+      for (let i = 0; i < numKeys; ++i) {
+        this.slice(keys[i], arg[keys[i]]);
+      }
+      return this;
+    }
+    this._ensurePath('slice');
+    path = this._path;
+    val = arguments[0];
+  } else if (2 === arguments.length) {
+    if ('number' === typeof arguments[0]) {
+      this._ensurePath('slice');
+      path = this._path;
+      val = [arguments[0], arguments[1]];
+    } else {
+      path = arguments[0];
+      val = arguments[1];
+    }
+  } else if (3 === arguments.length) {
+    path = arguments[0];
+    val = [arguments[1], arguments[2]];
+  }
+
+  const myFields = this._fields || (this._fields = {});
+  myFields[path] = { $slice: val };
+  return this;
+};
+
+/**
+ * Sets the sort order
+ *
+ * If an object is passed, values allowed are 'asc', 'desc', 'ascending', 'descending', 1, and -1.
+ *
+ * If a string is passed, it must be a space delimited list of path names. The sort order of each path is ascending unless the path name is prefixed with `-` which will be treated as descending.
+ *
+ * ####Example
+ *
+ *     // these are equivalent
+ *     query.sort({ field: 'asc', test: -1 });
+ *     query.sort('field -test');
+ *     query.sort([['field', 1], ['test', -1]]);
+ *
+ * ####Note
+ *
+ *  - The array syntax `.sort([['field', 1], ['test', -1]])` can only be used with [mongodb driver >= 2.0.46](https://github.com/mongodb/node-mongodb-native/blob/2.1/HISTORY.md#2046-2015-10-15).
+ *  - Cannot be used with `distinct()`
+ *
+ * @param {Object|String|Array} arg
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.sort = function(arg) {
+  if (!arg) return this;
+  let i, len, field;
+
+  this._validate('sort');
+
+  const type = typeof arg;
+
+  // .sort([['field', 1], ['test', -1]])
+  if (Array.isArray(arg)) {
+    len = arg.length;
+    for (i = 0; i < arg.length; ++i) {
+      if (!Array.isArray(arg[i])) {
+        throw new Error('Invalid sort() argument, must be array of arrays');
+      }
+      _pushArr(this.options, arg[i][0], arg[i][1]);
+    }
+    return this;
+  }
+
+  // .sort('field -test')
+  if (1 === arguments.length && 'string' == type) {
+    arg = arg.split(/\s+/);
+    len = arg.length;
+    for (i = 0; i < len; ++i) {
+      field = arg[i];
+      if (!field) continue;
+      const ascend = '-' == field[0] ? -1 : 1;
+      if (ascend === -1) field = field.substring(1);
+      push(this.options, field, ascend);
+    }
+
+    return this;
+  }
+
+  // .sort({ field: 1, test: -1 })
+  if (utils.isObject(arg)) {
+    const keys = utils.keys(arg);
+    for (i = 0; i < keys.length; ++i) {
+      field = keys[i];
+      push(this.options, field, arg[field]);
+    }
+
+    return this;
+  }
+
+  if (typeof Map !== 'undefined' && arg instanceof Map) {
+    _pushMap(this.options, arg);
+    return this;
+  }
+  throw new TypeError('Invalid sort() argument. Must be a string, object, or array.');
+};
+
+/*!
+ * @ignore
+ */
+
+const _validSortValue = {
+  1: 1,
+  '-1': -1,
+  asc: 1,
+  ascending: 1,
+  desc: -1,
+  descending: -1
+};
+
+function push(opts, field, value) {
+  if (Array.isArray(opts.sort)) {
+    throw new TypeError('Can\'t mix sort syntaxes. Use either array or object:' +
+      '\n- `.sort([[\'field\', 1], [\'test\', -1]])`' +
+      '\n- `.sort({ field: 1, test: -1 })`');
+  }
+
+  let s;
+  if (value && value.$meta) {
+    s = opts.sort || (opts.sort = {});
+    s[field] = { $meta: value.$meta };
+    return;
+  }
+
+  s = opts.sort || (opts.sort = {});
+  let val = String(value || 1).toLowerCase();
+  val = _validSortValue[val];
+  if (!val) throw new TypeError('Invalid sort value: { ' + field + ': ' + value + ' }');
+
+  s[field] = val;
+}
+
+function _pushArr(opts, field, value) {
+  opts.sort = opts.sort || [];
+  if (!Array.isArray(opts.sort)) {
+    throw new TypeError('Can\'t mix sort syntaxes. Use either array or object:' +
+      '\n- `.sort([[\'field\', 1], [\'test\', -1]])`' +
+      '\n- `.sort({ field: 1, test: -1 })`');
+  }
+
+  let val = String(value || 1).toLowerCase();
+  val = _validSortValue[val];
+  if (!val) throw new TypeError('Invalid sort value: [ ' + field + ', ' + value + ' ]');
+
+  opts.sort.push([field, val]);
+}
+
+function _pushMap(opts, map) {
+  opts.sort = opts.sort || new Map();
+  if (!(opts.sort instanceof Map)) {
+    throw new TypeError('Can\'t mix sort syntaxes. Use either array or ' +
+      'object or map consistently');
+  }
+  map.forEach(function(value, key) {
+    let val = String(value || 1).toLowerCase();
+    val = _validSortValue[val];
+    if (!val) throw new TypeError('Invalid sort value: < ' + key + ': ' + value + ' >');
+
+    opts.sort.set(key, val);
+  });
+}
+
+
+
+/**
+ * Specifies the limit option.
+ *
+ * ####Example
+ *
+ *     query.limit(20)
+ *
+ * ####Note
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @method limit
+ * @memberOf Query
+ * @param {Number} val
+ * @see mongodb http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Blimit%28%29%7D%7D
+ * @api public
+ */
+/**
+ * Specifies the skip option.
+ *
+ * ####Example
+ *
+ *     query.skip(100).limit(20)
+ *
+ * ####Note
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @method skip
+ * @memberOf Query
+ * @param {Number} val
+ * @see mongodb http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Bskip%28%29%7D%7D
+ * @api public
+ */
+/**
+ * Specifies the maxScan option.
+ *
+ * ####Example
+ *
+ *     query.maxScan(100)
+ *
+ * ####Note
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @method maxScan
+ * @memberOf Query
+ * @param {Number} val
+ * @see mongodb http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%24maxScan
+ * @api public
+ */
+/**
+ * Specifies the batchSize option.
+ *
+ * ####Example
+ *
+ *     query.batchSize(100)
+ *
+ * ####Note
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @method batchSize
+ * @memberOf Query
+ * @param {Number} val
+ * @see mongodb http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7BbatchSize%28%29%7D%7D
+ * @api public
+ */
+/**
+ * Specifies the `comment` option.
+ *
+ * ####Example
+ *
+ *     query.comment('login query')
+ *
+ * ####Note
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @method comment
+ * @memberOf Query
+ * @param {Number} val
+ * @see mongodb http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%24comment
+ * @api public
+ */
+
+/*!
+ * limit, skip, maxScan, batchSize, comment
+ *
+ * Sets these associated options.
+ *
+ *     query.comment('feed query');
+ */
+
+['limit', 'skip', 'maxScan', 'batchSize', 'comment'].forEach(function(method) {
+  Query.prototype[method] = function(v) {
+    this._validate(method);
+    this.options[method] = v;
+    return this;
+  };
+});
+
+/**
+ * Specifies the maxTimeMS option.
+ *
+ * ####Example
+ *
+ *     query.maxTime(100)
+ *     query.maxTimeMS(100)
+ *
+ * @method maxTime
+ * @memberOf Query
+ * @param {Number} ms
+ * @see mongodb http://docs.mongodb.org/manual/reference/operator/meta/maxTimeMS/#op._S_maxTimeMS
+ * @api public
+ */
+
+Query.prototype.maxTime = Query.prototype.maxTimeMS = function(ms) {
+  this._validate('maxTime');
+  this.options.maxTimeMS = ms;
+  return this;
+};
+
+/**
+ * Specifies this query as a `snapshot` query.
+ *
+ * ####Example
+ *
+ *     mquery().snapshot() // true
+ *     mquery().snapshot(true)
+ *     mquery().snapshot(false)
+ *
+ * ####Note
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @see mongodb http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%7B%7Bsnapshot%28%29%7D%7D
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.snapshot = function() {
+  this._validate('snapshot');
+
+  this.options.snapshot = arguments.length
+    ? !!arguments[0]
+    : true;
+
+  return this;
+};
+
+/**
+ * Sets query hints.
+ *
+ * ####Example
+ *
+ *     query.hint({ indexA: 1, indexB: -1});
+ *     query.hint('indexA_1_indexB_1');
+ *
+ * ####Note
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @param {Object|string} val a hint object or the index name
+ * @return {Query} this
+ * @see mongodb http://www.mongodb.org/display/DOCS/Advanced+Queries#AdvancedQueries-%24hint
+ * @api public
+ */
+
+Query.prototype.hint = function() {
+  if (0 === arguments.length) return this;
+
+  this._validate('hint');
+
+  const arg = arguments[0];
+  if (utils.isObject(arg)) {
+    const hint = this.options.hint || (this.options.hint = {});
+
+    // must keep object keys in order so don't use Object.keys()
+    for (const k in arg) {
+      hint[k] = arg[k];
+    }
+
+    return this;
+  }
+  if (typeof arg === 'string') {
+    this.options.hint = arg;
+    return this;
+  }
+
+  throw new TypeError('Invalid hint. ' + arg);
+};
+
+/**
+ * Requests acknowledgement that this operation has been persisted to MongoDB's
+ * on-disk journal.
+ * This option is only valid for operations that write to the database:
+ *
+ * - `deleteOne()`
+ * - `deleteMany()`
+ * - `findOneAndDelete()`
+ * - `findOneAndUpdate()`
+ * - `remove()`
+ * - `update()`
+ * - `updateOne()`
+ * - `updateMany()`
+ *
+ * Defaults to the `j` value if it is specified in writeConcern options
+ *
+ * ####Example:
+ *
+ *     mquery().w(2).j(true).wtimeout(2000);
+ *
+ * @method j
+ * @memberOf Query
+ * @instance
+ * @param {boolean} val
+ * @see mongodb https://docs.mongodb.com/manual/reference/write-concern/#j-option
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.j = function j(val) {
+  this.options.j = val;
+  return this;
+};
+
+/**
+ * Sets the slaveOk option. _Deprecated_ in MongoDB 2.2 in favor of read preferences.
+ *
+ * ####Example:
+ *
+ *     query.slaveOk() // true
+ *     query.slaveOk(true)
+ *     query.slaveOk(false)
+ *
+ * @deprecated use read() preferences instead if on mongodb >= 2.2
+ * @param {Boolean} v defaults to true
+ * @see mongodb http://docs.mongodb.org/manual/applications/replication/#read-preference
+ * @see read()
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.slaveOk = function(v) {
+  this.options.slaveOk = arguments.length ? !!v : true;
+  return this;
+};
+
+/**
+ * Sets the readPreference option for the query.
+ *
+ * ####Example:
+ *
+ *     new Query().read('primary')
+ *     new Query().read('p')  // same as primary
+ *
+ *     new Query().read('primaryPreferred')
+ *     new Query().read('pp') // same as primaryPreferred
+ *
+ *     new Query().read('secondary')
+ *     new Query().read('s')  // same as secondary
+ *
+ *     new Query().read('secondaryPreferred')
+ *     new Query().read('sp') // same as secondaryPreferred
+ *
+ *     new Query().read('nearest')
+ *     new Query().read('n')  // same as nearest
+ *
+ *     // you can also use mongodb.ReadPreference class to also specify tags
+ *     new Query().read(mongodb.ReadPreference('secondary', [{ dc:'sf', s: 1 },{ dc:'ma', s: 2 }]))
+ *
+ *     new Query().setReadPreference('primary') // alias of .read()
+ *
+ * ####Preferences:
+ *
+ *     primary - (default)  Read from primary only. Operations will produce an error if primary is unavailable. Cannot be combined with tags.
+ *     secondary            Read from secondary if available, otherwise error.
+ *     primaryPreferred     Read from primary if available, otherwise a secondary.
+ *     secondaryPreferred   Read from a secondary if available, otherwise read from the primary.
+ *     nearest              All operations read from among the nearest candidates, but unlike other modes, this option will include both the primary and all secondaries in the random selection.
+ *
+ * Aliases
+ *
+ *     p   primary
+ *     pp  primaryPreferred
+ *     s   secondary
+ *     sp  secondaryPreferred
+ *     n   nearest
+ *
+ * Read more about how to use read preferences [here](http://docs.mongodb.org/manual/applications/replication/#read-preference) and [here](http://mongodb.github.com/node-mongodb-native/driver-articles/anintroductionto1_1and2_2.html#read-preferences).
+ *
+ * @param {String|ReadPreference} pref one of the listed preference options or their aliases
+ * @see mongodb http://docs.mongodb.org/manual/applications/replication/#read-preference
+ * @see driver http://mongodb.github.com/node-mongodb-native/driver-articles/anintroductionto1_1and2_2.html#read-preferences
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.read = Query.prototype.setReadPreference = function(pref) {
+  if (arguments.length > 1 && !Query.prototype.read.deprecationWarningIssued) {
+    console.error('Deprecation warning: \'tags\' argument is not supported anymore in Query.read() method. Please use mongodb.ReadPreference object instead.');
+    Query.prototype.read.deprecationWarningIssued = true;
+  }
+  this.options.readPreference = utils.readPref(pref);
+  return this;
+};
+
+/**
+ * Sets the readConcern option for the query.
+ *
+ * ####Example:
+ *
+ *     new Query().readConcern('local')
+ *     new Query().readConcern('l')  // same as local
+ *
+ *     new Query().readConcern('available')
+ *     new Query().readConcern('a')  // same as available
+ *
+ *     new Query().readConcern('majority')
+ *     new Query().readConcern('m')  // same as majority
+ *
+ *     new Query().readConcern('linearizable')
+ *     new Query().readConcern('lz') // same as linearizable
+ *
+ *     new Query().readConcern('snapshot')
+ *     new Query().readConcern('s')  // same as snapshot
+ *
+ *     new Query().r('s') // r is alias of readConcern
+ *
+ *
+ * ####Read Concern Level:
+ *
+ *     local         MongoDB 3.2+ The query returns from the instance with no guarantee guarantee that the data has been written to a majority of the replica set members (i.e. may be rolled back).
+ *     available     MongoDB 3.6+ The query returns from the instance with no guarantee guarantee that the data has been written to a majority of the replica set members (i.e. may be rolled back).
+ *     majority      MongoDB 3.2+ The query returns the data that has been acknowledged by a majority of the replica set members. The documents returned by the read operation are durable, even in the event of failure.
+ *     linearizable  MongoDB 3.4+ The query returns data that reflects all successful majority-acknowledged writes that completed prior to the start of the read operation. The query may wait for concurrently executing writes to propagate to a majority of replica set members before returning results.
+ *     snapshot      MongoDB 4.0+ Only available for operations within multi-document transactions. Upon transaction commit with write concern "majority", the transaction operations are guaranteed to have read from a snapshot of majority-committed data.
+
+
+ *
+ *
+ * Aliases
+ *
+ *     l   local
+ *     a   available
+ *     m   majority
+ *     lz  linearizable
+ *     s   snapshot
+ *
+ * Read more about how to use read concern [here](https://docs.mongodb.com/manual/reference/read-concern/).
+ *
+ * @param {String} level one of the listed read concern level or their aliases
+ * @see mongodb https://docs.mongodb.com/manual/reference/read-concern/
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.readConcern = Query.prototype.r = function(level) {
+  this.options.readConcern = utils.readConcern(level);
+  return this;
+};
+
+/**
+ * Sets tailable option.
+ *
+ * ####Example
+ *
+ *     query.tailable() <== true
+ *     query.tailable(true)
+ *     query.tailable(false)
+ *
+ * ####Note
+ *
+ * Cannot be used with `distinct()`
+ *
+ * @param {Boolean} v defaults to true
+ * @see mongodb http://www.mongodb.org/display/DOCS/Tailable+Cursors
+ * @api public
+ */
+
+Query.prototype.tailable = function() {
+  this._validate('tailable');
+
+  this.options.tailable = arguments.length
+    ? !!arguments[0]
+    : true;
+
+  return this;
+};
+
+/**
+ * Sets the specified number of `mongod` servers, or tag set of `mongod` servers,
+ * that must acknowledge this write before this write is considered successful.
+ * This option is only valid for operations that write to the database:
+ *
+ * - `deleteOne()`
+ * - `deleteMany()`
+ * - `findOneAndDelete()`
+ * - `findOneAndUpdate()`
+ * - `remove()`
+ * - `update()`
+ * - `updateOne()`
+ * - `updateMany()`
+ *
+ * Defaults to the `w` value if it is specified in writeConcern options
+ *
+ * ####Example:
+ *
+ * mquery().writeConcern(0)
+ * mquery().writeConcern(1)
+ * mquery().writeConcern({ w: 1, j: true, wtimeout: 2000 })
+ * mquery().writeConcern('majority')
+ * mquery().writeConcern('m') // same as majority
+ * mquery().writeConcern('tagSetName') // if the tag set is 'm', use .writeConcern({ w: 'm' }) instead
+ * mquery().w(1) // w is alias of writeConcern
+ *
+ * @method writeConcern
+ * @memberOf Query
+ * @instance
+ * @param {String|number|object} concern 0 for fire-and-forget, 1 for acknowledged by one server, 'majority' for majority of the replica set, or [any of the more advanced options](https://docs.mongodb.com/manual/reference/write-concern/#w-option).
+ * @see mongodb https://docs.mongodb.com/manual/reference/write-concern/#w-option
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.writeConcern = Query.prototype.w = function writeConcern(concern) {
+  if ('object' === typeof concern) {
+    if ('undefined' !== typeof concern.j) this.options.j = concern.j;
+    if ('undefined' !== typeof concern.w) this.options.w = concern.w;
+    if ('undefined' !== typeof concern.wtimeout) this.options.wtimeout = concern.wtimeout;
+  } else {
+    this.options.w = 'm' === concern ? 'majority' : concern;
+  }
+  return this;
+};
+
+/**
+ * Specifies a time limit, in milliseconds, for the write concern.
+ * If `ms > 1`, it is maximum amount of time to wait for this write
+ * to propagate through the replica set before this operation fails.
+ * The default is `0`, which means no timeout.
+ *
+ * This option is only valid for operations that write to the database:
+ *
+ * - `deleteOne()`
+ * - `deleteMany()`
+ * - `findOneAndDelete()`
+ * - `findOneAndUpdate()`
+ * - `remove()`
+ * - `update()`
+ * - `updateOne()`
+ * - `updateMany()`
+ *
+ * Defaults to `wtimeout` value if it is specified in writeConcern
+ *
+ * ####Example:
+ *
+ *     mquery().w(2).j(true).wtimeout(2000)
+ *
+ * @method wtimeout
+ * @memberOf Query
+ * @instance
+ * @param {number} ms number of milliseconds to wait
+ * @see mongodb https://docs.mongodb.com/manual/reference/write-concern/#wtimeout
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.wtimeout = Query.prototype.wTimeout = function wtimeout(ms) {
+  this.options.wtimeout = ms;
+  return this;
+};
+
+/**
+ * Merges another Query or conditions object into this one.
+ *
+ * When a Query is passed, conditions, field selection and options are merged.
+ *
+ * @param {Query|Object} source
+ * @return {Query} this
+ */
+
+Query.prototype.merge = function(source) {
+  if (!source)
+    return this;
+
+  if (!Query.canMerge(source))
+    throw new TypeError('Invalid argument. Expected instanceof mquery or plain object');
+
+  if (source instanceof Query) {
+    // if source has a feature, apply it to ourselves
+
+    if (source._conditions) {
+      utils.merge(this._conditions, source._conditions);
+    }
+
+    if (source._fields) {
+      this._fields || (this._fields = {});
+      utils.merge(this._fields, source._fields);
+    }
+
+    if (source.options) {
+      this.options || (this.options = {});
+      utils.merge(this.options, source.options);
+    }
+
+    if (source._update) {
+      this._update || (this._update = {});
+      utils.mergeClone(this._update, source._update);
+    }
+
+    if (source._distinct) {
+      this._distinct = source._distinct;
+    }
+
+    return this;
+  }
+
+  // plain object
+  utils.merge(this._conditions, source);
+
+  return this;
+};
+
+/**
+ * Finds documents.
+ *
+ * Passing a `callback` executes the query.
+ *
+ * ####Example
+ *
+ *     query.find()
+ *     query.find(callback)
+ *     query.find({ name: 'Burning Lights' }, callback)
+ *
+ * @param {Object} [criteria] mongodb selector
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.find = function(criteria, callback) {
+  this.op = 'find';
+
+  if ('function' === typeof criteria) {
+    callback = criteria;
+    criteria = undefined;
+  } else if (Query.canMerge(criteria)) {
+    this.merge(criteria);
+  }
+
+  if (!callback) return this;
+
+  const conds = this._conditions;
+  const options = this._optionsForExec();
+
+  if (this.$useProjection) {
+    options.projection = this._fieldsForExec();
+  } else {
+    options.fields = this._fieldsForExec();
+  }
+
+  debug('find', this._collection.collectionName, conds, options);
+  callback = this._wrapCallback('find', callback, {
+    conditions: conds,
+    options: options
+  });
+
+  this._collection.find(conds, options, utils.tick(callback));
+  return this;
+};
+
+/**
+ * Returns the query cursor
+ *
+ * ####Examples
+ *
+ *     query.find().cursor();
+ *     query.cursor({ name: 'Burning Lights' });
+ *
+ * @param {Object} [criteria] mongodb selector
+ * @return {Object} cursor
+ * @api public
+ */
+
+Query.prototype.cursor = function cursor(criteria) {
+  if (this.op) {
+    if (this.op !== 'find') {
+      throw new TypeError('.cursor only support .find method');
+    }
+  } else {
+    this.find(criteria);
+  }
+
+  const conds = this._conditions;
+  const options = this._optionsForExec();
+
+  if (this.$useProjection) {
+    options.projection = this._fieldsForExec();
+  } else {
+    options.fields = this._fieldsForExec();
+  }
+
+  debug('findCursor', this._collection.collectionName, conds, options);
+  return this._collection.findCursor(conds, options);
+};
+
+/**
+ * Executes the query as a findOne() operation.
+ *
+ * Passing a `callback` executes the query.
+ *
+ * ####Example
+ *
+ *     query.findOne().where('name', /^Burning/);
+ *
+ *     query.findOne({ name: /^Burning/ })
+ *
+ *     query.findOne({ name: /^Burning/ }, callback); // executes
+ *
+ *     query.findOne(function (err, doc) {
+ *       if (err) return handleError(err);
+ *       if (doc) {
+ *         // doc may be null if no document matched
+ *
+ *       }
+ *     });
+ *
+ * @param {Object|Query} [criteria] mongodb selector
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.findOne = function(criteria, callback) {
+  this.op = 'findOne';
+
+  if ('function' === typeof criteria) {
+    callback = criteria;
+    criteria = undefined;
+  } else if (Query.canMerge(criteria)) {
+    this.merge(criteria);
+  }
+
+  if (!callback) return this;
+
+  const conds = this._conditions;
+  const options = this._optionsForExec();
+
+  if (this.$useProjection) {
+    options.projection = this._fieldsForExec();
+  } else {
+    options.fields = this._fieldsForExec();
+  }
+
+  debug('findOne', this._collection.collectionName, conds, options);
+  callback = this._wrapCallback('findOne', callback, {
+    conditions: conds,
+    options: options
+  });
+
+  this._collection.findOne(conds, options, utils.tick(callback));
+
+  return this;
+};
+
+/**
+ * Exectues the query as a count() operation.
+ *
+ * Passing a `callback` executes the query.
+ *
+ * ####Example
+ *
+ *     query.count().where('color', 'black').exec(callback);
+ *
+ *     query.count({ color: 'black' }).count(callback)
+ *
+ *     query.count({ color: 'black' }, callback)
+ *
+ *     query.where('color', 'black').count(function (err, count) {
+ *       if (err) return handleError(err);
+ *       console.log('there are %d kittens', count);
+ *     })
+ *
+ * @param {Object} [criteria] mongodb selector
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @see mongodb http://www.mongodb.org/display/DOCS/Aggregation#Aggregation-Count
+ * @api public
+ */
+
+Query.prototype.count = function(criteria, callback) {
+  this.op = 'count';
+  this._validate();
+
+  if ('function' === typeof criteria) {
+    callback = criteria;
+    criteria = undefined;
+  } else if (Query.canMerge(criteria)) {
+    this.merge(criteria);
+  }
+
+  if (!callback) return this;
+
+  const conds = this._conditions,
+      options = this._optionsForExec();
+
+  debug('count', this._collection.collectionName, conds, options);
+  callback = this._wrapCallback('count', callback, {
+    conditions: conds,
+    options: options
+  });
+
+  this._collection.count(conds, options, utils.tick(callback));
+  return this;
+};
+
+/**
+ * Declares or executes a distinct() operation.
+ *
+ * Passing a `callback` executes the query.
+ *
+ * ####Example
+ *
+ *     distinct(criteria, field, fn)
+ *     distinct(criteria, field)
+ *     distinct(field, fn)
+ *     distinct(field)
+ *     distinct(fn)
+ *     distinct()
+ *
+ * @param {Object|Query} [criteria]
+ * @param {String} [field]
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @see mongodb http://www.mongodb.org/display/DOCS/Aggregation#Aggregation-Distinct
+ * @api public
+ */
+
+Query.prototype.distinct = function(criteria, field, callback) {
+  this.op = 'distinct';
+  this._validate();
+
+  if (!callback) {
+    switch (typeof field) {
+      case 'function':
+        callback = field;
+        if ('string' == typeof criteria) {
+          field = criteria;
+          criteria = undefined;
+        }
+        break;
+      case 'undefined':
+      case 'string':
+        break;
+      default:
+        throw new TypeError('Invalid `field` argument. Must be string or function');
+    }
+
+    switch (typeof criteria) {
+      case 'function':
+        callback = criteria;
+        criteria = field = undefined;
+        break;
+      case 'string':
+        field = criteria;
+        criteria = undefined;
+        break;
+    }
+  }
+
+  if ('string' == typeof field) {
+    this._distinct = field;
+  }
+
+  if (Query.canMerge(criteria)) {
+    this.merge(criteria);
+  }
+
+  if (!callback) {
+    return this;
+  }
+
+  if (!this._distinct) {
+    throw new Error('No value for `distinct` has been declared');
+  }
+
+  const conds = this._conditions,
+      options = this._optionsForExec();
+
+  debug('distinct', this._collection.collectionName, conds, options);
+  callback = this._wrapCallback('distinct', callback, {
+    conditions: conds,
+    options: options
+  });
+
+  this._collection.distinct(this._distinct, conds, options, utils.tick(callback));
+
+  return this;
+};
+
+/**
+ * Declare and/or execute this query as an update() operation. By default,
+ * `update()` only modifies the _first_ document that matches `criteria`.
+ *
+ * _All paths passed that are not $atomic operations will become $set ops._
+ *
+ * ####Example
+ *
+ *     mquery({ _id: id }).update({ title: 'words' }, ...)
+ *
+ * becomes
+ *
+ *     collection.update({ _id: id }, { $set: { title: 'words' }}, ...)
+ *
+ * ####Note
+ *
+ * Passing an empty object `{}` as the doc will result in a no-op unless the `overwrite` option is passed. Without the `overwrite` option set, the update operation will be ignored and the callback executed without sending the command to MongoDB so as to prevent accidently overwritting documents in the collection.
+ *
+ * ####Note
+ *
+ * The operation is only executed when a callback is passed. To force execution without a callback (which would be an unsafe write), we must first call update() and then execute it by using the `exec()` method.
+ *
+ *     var q = mquery(collection).where({ _id: id });
+ *     q.update({ $set: { name: 'bob' }}).update(); // not executed
+ *
+ *     var q = mquery(collection).where({ _id: id });
+ *     q.update({ $set: { name: 'bob' }}).exec(); // executed as unsafe
+ *
+ *     // keys that are not $atomic ops become $set.
+ *     // this executes the same command as the previous example.
+ *     q.update({ name: 'bob' }).where({ _id: id }).exec();
+ *
+ *     var q = mquery(collection).update(); // not executed
+ *
+ *     // overwriting with empty docs
+ *     var q.where({ _id: id }).setOptions({ overwrite: true })
+ *     q.update({ }, callback); // executes
+ *
+ *     // multi update with overwrite to empty doc
+ *     var q = mquery(collection).where({ _id: id });
+ *     q.setOptions({ multi: true, overwrite: true })
+ *     q.update({ });
+ *     q.update(callback); // executed
+ *
+ *     // multi updates
+ *     mquery()
+ *       .collection(coll)
+ *       .update({ name: /^match/ }, { $set: { arr: [] }}, { multi: true }, callback)
+ *     // more multi updates
+ *     mquery({ })
+ *       .collection(coll)
+ *       .setOptions({ multi: true })
+ *       .update({ $set: { arr: [] }}, callback)
+ *
+ *     // single update by default
+ *     mquery({ email: 'address@example.com' })
+ *      .collection(coll)
+ *      .update({ $inc: { counter: 1 }}, callback)
+ *
+ *     // summary
+ *     update(criteria, doc, opts, cb) // executes
+ *     update(criteria, doc, opts)
+ *     update(criteria, doc, cb) // executes
+ *     update(criteria, doc)
+ *     update(doc, cb) // executes
+ *     update(doc)
+ *     update(cb) // executes
+ *     update(true) // executes (unsafe write)
+ *     update()
+ *
+ * @param {Object} [criteria]
+ * @param {Object} [doc] the update command
+ * @param {Object} [options]
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.update = function update(criteria, doc, options, callback) {
+  let force;
+
+  switch (arguments.length) {
+    case 3:
+      if ('function' == typeof options) {
+        callback = options;
+        options = undefined;
+      }
+      break;
+    case 2:
+      if ('function' == typeof doc) {
+        callback = doc;
+        doc = criteria;
+        criteria = undefined;
+      }
+      break;
+    case 1:
+      switch (typeof criteria) {
+        case 'function':
+          callback = criteria;
+          criteria = options = doc = undefined;
+          break;
+        case 'boolean':
+          // execution with no callback (unsafe write)
+          force = criteria;
+          criteria = undefined;
+          break;
+        default:
+          doc = criteria;
+          criteria = options = undefined;
+          break;
+      }
+  }
+
+  return _update(this, 'update', criteria, doc, options, force, callback);
+};
+
+/**
+ * Declare and/or execute this query as an `updateMany()` operation. Identical
+ * to `update()` except `updateMany()` will update _all_ documents that match
+ * `criteria`, rather than just the first one.
+ *
+ * _All paths passed that are not $atomic operations will become $set ops._
+ *
+ * ####Example
+ *
+ *     // Update every document whose `title` contains 'test'
+ *     mquery().updateMany({ title: /test/ }, { year: 2017 })
+ *
+ * @param {Object} [criteria]
+ * @param {Object} [doc] the update command
+ * @param {Object} [options]
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.updateMany = function updateMany(criteria, doc, options, callback) {
+  let force;
+
+  switch (arguments.length) {
+    case 3:
+      if ('function' == typeof options) {
+        callback = options;
+        options = undefined;
+      }
+      break;
+    case 2:
+      if ('function' == typeof doc) {
+        callback = doc;
+        doc = criteria;
+        criteria = undefined;
+      }
+      break;
+    case 1:
+      switch (typeof criteria) {
+        case 'function':
+          callback = criteria;
+          criteria = options = doc = undefined;
+          break;
+        case 'boolean':
+          // execution with no callback (unsafe write)
+          force = criteria;
+          criteria = undefined;
+          break;
+        default:
+          doc = criteria;
+          criteria = options = undefined;
+          break;
+      }
+  }
+
+  return _update(this, 'updateMany', criteria, doc, options, force, callback);
+};
+
+/**
+ * Declare and/or execute this query as an `updateOne()` operation. Identical
+ * to `update()` except `updateOne()` will _always_ update just one document,
+ * regardless of the `multi` option.
+ *
+ * _All paths passed that are not $atomic operations will become $set ops._
+ *
+ * ####Example
+ *
+ *     // Update the first document whose `title` contains 'test'
+ *     mquery().updateMany({ title: /test/ }, { year: 2017 })
+ *
+ * @param {Object} [criteria]
+ * @param {Object} [doc] the update command
+ * @param {Object} [options]
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.updateOne = function updateOne(criteria, doc, options, callback) {
+  let force;
+
+  switch (arguments.length) {
+    case 3:
+      if ('function' == typeof options) {
+        callback = options;
+        options = undefined;
+      }
+      break;
+    case 2:
+      if ('function' == typeof doc) {
+        callback = doc;
+        doc = criteria;
+        criteria = undefined;
+      }
+      break;
+    case 1:
+      switch (typeof criteria) {
+        case 'function':
+          callback = criteria;
+          criteria = options = doc = undefined;
+          break;
+        case 'boolean':
+          // execution with no callback (unsafe write)
+          force = criteria;
+          criteria = undefined;
+          break;
+        default:
+          doc = criteria;
+          criteria = options = undefined;
+          break;
+      }
+  }
+
+  return _update(this, 'updateOne', criteria, doc, options, force, callback);
+};
+
+/**
+ * Declare and/or execute this query as an `replaceOne()` operation. Similar
+ * to `updateOne()`, except `replaceOne()` is not allowed to use atomic
+ * modifiers (`$set`, `$push`, etc.). Calling `replaceOne()` will always
+ * replace the existing doc.
+ *
+ * ####Example
+ *
+ *     // Replace the document with `_id` 1 with `{ _id: 1, year: 2017 }`
+ *     mquery().replaceOne({ _id: 1 }, { year: 2017 })
+ *
+ * @param {Object} [criteria]
+ * @param {Object} [doc] the update command
+ * @param {Object} [options]
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.replaceOne = function replaceOne(criteria, doc, options, callback) {
+  let force;
+
+  switch (arguments.length) {
+    case 3:
+      if ('function' == typeof options) {
+        callback = options;
+        options = undefined;
+      }
+      break;
+    case 2:
+      if ('function' == typeof doc) {
+        callback = doc;
+        doc = criteria;
+        criteria = undefined;
+      }
+      break;
+    case 1:
+      switch (typeof criteria) {
+        case 'function':
+          callback = criteria;
+          criteria = options = doc = undefined;
+          break;
+        case 'boolean':
+          // execution with no callback (unsafe write)
+          force = criteria;
+          criteria = undefined;
+          break;
+        default:
+          doc = criteria;
+          criteria = options = undefined;
+          break;
+      }
+  }
+
+  this.setOptions({ overwrite: true });
+  return _update(this, 'replaceOne', criteria, doc, options, force, callback);
+};
+
+
+/*!
+ * Internal helper for update, updateMany, updateOne
+ */
+
+function _update(query, op, criteria, doc, options, force, callback) {
+  query.op = op;
+
+  if (Query.canMerge(criteria)) {
+    query.merge(criteria);
+  }
+
+  if (doc) {
+    query._mergeUpdate(doc);
+  }
+
+  if (utils.isObject(options)) {
+    // { overwrite: true }
+    query.setOptions(options);
+  }
+
+  // we are done if we don't have callback and they are
+  // not forcing an unsafe write.
+  if (!(force || callback)) {
+    return query;
+  }
+
+  if (!query._update ||
+      !query.options.overwrite && 0 === utils.keys(query._update).length) {
+    callback && utils.soon(callback.bind(null, null, 0));
+    return query;
+  }
+
+  options = query._optionsForExec();
+  if (!callback) options.safe = false;
+
+  criteria = query._conditions;
+  doc = query._updateForExec();
+
+  debug('update', query._collection.collectionName, criteria, doc, options);
+  callback = query._wrapCallback(op, callback, {
+    conditions: criteria,
+    doc: doc,
+    options: options
+  });
+
+  query._collection[op](criteria, doc, options, utils.tick(callback));
+
+  return query;
+}
+
+/**
+ * Declare and/or execute this query as a remove() operation.
+ *
+ * ####Example
+ *
+ *     mquery(collection).remove({ artist: 'Anne Murray' }, callback)
+ *
+ * ####Note
+ *
+ * The operation is only executed when a callback is passed. To force execution without a callback (which would be an unsafe write), we must first call remove() and then execute it by using the `exec()` method.
+ *
+ *     // not executed
+ *     var query = mquery(collection).remove({ name: 'Anne Murray' })
+ *
+ *     // executed
+ *     mquery(collection).remove({ name: 'Anne Murray' }, callback)
+ *     mquery(collection).remove({ name: 'Anne Murray' }).remove(callback)
+ *
+ *     // executed without a callback (unsafe write)
+ *     query.exec()
+ *
+ *     // summary
+ *     query.remove(conds, fn); // executes
+ *     query.remove(conds)
+ *     query.remove(fn) // executes
+ *     query.remove()
+ *
+ * @param {Object|Query} [criteria] mongodb selector
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.remove = function(criteria, callback) {
+  this.op = 'remove';
+  let force;
+
+  if ('function' === typeof criteria) {
+    callback = criteria;
+    criteria = undefined;
+  } else if (Query.canMerge(criteria)) {
+    this.merge(criteria);
+  } else if (true === criteria) {
+    force = criteria;
+    criteria = undefined;
+  }
+
+  if (!(force || callback))
+    return this;
+
+  const options = this._optionsForExec();
+  if (!callback) options.safe = false;
+
+  const conds = this._conditions;
+
+  debug('remove', this._collection.collectionName, conds, options);
+  callback = this._wrapCallback('remove', callback, {
+    conditions: conds,
+    options: options
+  });
+
+  this._collection.remove(conds, options, utils.tick(callback));
+
+  return this;
+};
+
+/**
+ * Declare and/or execute this query as a `deleteOne()` operation. Behaves like
+ * `remove()`, except for ignores the `justOne` option and always deletes at
+ * most one document.
+ *
+ * ####Example
+ *
+ *     mquery(collection).deleteOne({ artist: 'Anne Murray' }, callback)
+ *
+ * @param {Object|Query} [criteria] mongodb selector
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.deleteOne = function(criteria, callback) {
+  this.op = 'deleteOne';
+  let force;
+
+  if ('function' === typeof criteria) {
+    callback = criteria;
+    criteria = undefined;
+  } else if (Query.canMerge(criteria)) {
+    this.merge(criteria);
+  } else if (true === criteria) {
+    force = criteria;
+    criteria = undefined;
+  }
+
+  if (!(force || callback))
+    return this;
+
+  const options = this._optionsForExec();
+  if (!callback) options.safe = false;
+  delete options.justOne;
+
+  const conds = this._conditions;
+
+  debug('deleteOne', this._collection.collectionName, conds, options);
+  callback = this._wrapCallback('deleteOne', callback, {
+    conditions: conds,
+    options: options
+  });
+
+  this._collection.deleteOne(conds, options, utils.tick(callback));
+
+  return this;
+};
+
+/**
+ * Declare and/or execute this query as a `deleteMany()` operation. Behaves like
+ * `remove()`, except for ignores the `justOne` option and always deletes
+ * _every_ document that matches `criteria`.
+ *
+ * ####Example
+ *
+ *     mquery(collection).deleteMany({ artist: 'Anne Murray' }, callback)
+ *
+ * @param {Object|Query} [criteria] mongodb selector
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.deleteMany = function(criteria, callback) {
+  this.op = 'deleteMany';
+  let force;
+
+  if ('function' === typeof criteria) {
+    callback = criteria;
+    criteria = undefined;
+  } else if (Query.canMerge(criteria)) {
+    this.merge(criteria);
+  } else if (true === criteria) {
+    force = criteria;
+    criteria = undefined;
+  }
+
+  if (!(force || callback))
+    return this;
+
+  const options = this._optionsForExec();
+  if (!callback) options.safe = false;
+  delete options.justOne;
+
+  const conds = this._conditions;
+
+  debug('deleteOne', this._collection.collectionName, conds, options);
+  callback = this._wrapCallback('deleteOne', callback, {
+    conditions: conds,
+    options: options
+  });
+
+  this._collection.deleteMany(conds, options, utils.tick(callback));
+
+  return this;
+};
+
+/**
+ * Issues a mongodb [findAndModify](http://www.mongodb.org/display/DOCS/findAndModify+Command) update command.
+ *
+ * Finds a matching document, updates it according to the `update` arg, passing any `options`, and returns the found document (if any) to the callback. The query executes immediately if `callback` is passed.
+ *
+ * ####Available options
+ *
+ * - `new`: bool - true to return the modified document rather than the original. defaults to true
+ * - `upsert`: bool - creates the object if it doesn't exist. defaults to false.
+ * - `sort`: if multiple docs are found by the conditions, sets the sort order to choose which doc to update
+ *
+ * ####Examples
+ *
+ *     query.findOneAndUpdate(conditions, update, options, callback) // executes
+ *     query.findOneAndUpdate(conditions, update, options)  // returns Query
+ *     query.findOneAndUpdate(conditions, update, callback) // executes
+ *     query.findOneAndUpdate(conditions, update)           // returns Query
+ *     query.findOneAndUpdate(update, callback)             // returns Query
+ *     query.findOneAndUpdate(update)                       // returns Query
+ *     query.findOneAndUpdate(callback)                     // executes
+ *     query.findOneAndUpdate()                             // returns Query
+ *
+ * @param {Object|Query} [query]
+ * @param {Object} [doc]
+ * @param {Object} [options]
+ * @param {Function} [callback]
+ * @see mongodb http://www.mongodb.org/display/DOCS/findAndModify+Command
+ * @return {Query} this
+ * @api public
+ */
+
+Query.prototype.findOneAndUpdate = function(criteria, doc, options, callback) {
+  this.op = 'findOneAndUpdate';
+  this._validate();
+
+  switch (arguments.length) {
+    case 3:
+      if ('function' == typeof options) {
+        callback = options;
+        options = {};
+      }
+      break;
+    case 2:
+      if ('function' == typeof doc) {
+        callback = doc;
+        doc = criteria;
+        criteria = undefined;
+      }
+      options = undefined;
+      break;
+    case 1:
+      if ('function' == typeof criteria) {
+        callback = criteria;
+        criteria = options = doc = undefined;
+      } else {
+        doc = criteria;
+        criteria = options = undefined;
+      }
+  }
+
+  if (Query.canMerge(criteria)) {
+    this.merge(criteria);
+  }
+
+  // apply doc
+  if (doc) {
+    this._mergeUpdate(doc);
+  }
+
+  options && this.setOptions(options);
+
+  if (!callback) return this;
+
+  const conds = this._conditions;
+  const update = this._updateForExec();
+  options = this._optionsForExec();
+
+  return this._collection.findOneAndUpdate(conds, update, options, utils.tick(callback));
+};
+
+/**
+ * Issues a mongodb [findAndModify](http://www.mongodb.org/display/DOCS/findAndModify+Command) remove command.
+ *
+ * Finds a matching document, removes it, passing the found document (if any) to the callback. Executes immediately if `callback` is passed.
+ *
+ * ####Available options
+ *
+ * - `sort`: if multiple docs are found by the conditions, sets the sort order to choose which doc to update
+ *
+ * ####Examples
+ *
+ *     A.where().findOneAndRemove(conditions, options, callback) // executes
+ *     A.where().findOneAndRemove(conditions, options)  // return Query
+ *     A.where().findOneAndRemove(conditions, callback) // executes
+ *     A.where().findOneAndRemove(conditions) // returns Query
+ *     A.where().findOneAndRemove(callback)   // executes
+ *     A.where().findOneAndRemove()           // returns Query
+ *     A.where().findOneAndDelete()           // alias of .findOneAndRemove()
+ *
+ * @param {Object} [conditions]
+ * @param {Object} [options]
+ * @param {Function} [callback]
+ * @return {Query} this
+ * @see mongodb http://www.mongodb.org/display/DOCS/findAndModify+Command
+ * @api public
+ */
+
+Query.prototype.findOneAndRemove = Query.prototype.findOneAndDelete = function(conditions, options, callback) {
+  this.op = 'findOneAndRemove';
+  this._validate();
+
+  if ('function' == typeof options) {
+    callback = options;
+    options = undefined;
+  } else if ('function' == typeof conditions) {
+    callback = conditions;
+    conditions = undefined;
+  }
+
+  // apply conditions
+  if (Query.canMerge(conditions)) {
+    this.merge(conditions);
+  }
+
+  // apply options
+  options && this.setOptions(options);
+
+  if (!callback) return this;
+
+  options = this._optionsForExec();
+  const conds = this._conditions;
+
+  return this._collection.findOneAndDelete(conds, options, utils.tick(callback));
+};
+
+/**
+ * Wrap callback to add tracing
+ *
+ * @param {Function} callback
+ * @param {Object} [queryInfo]
+ * @api private
+ */
+Query.prototype._wrapCallback = function(method, callback, queryInfo) {
+  const traceFunction = this._traceFunction || Query.traceFunction;
+
+  if (traceFunction) {
+    queryInfo.collectionName = this._collection.collectionName;
+
+    const traceCallback = traceFunction &&
+      traceFunction.call(null, method, queryInfo, this);
+
+    const startTime = new Date().getTime();
+
+    return function wrapperCallback(err, result) {
+      if (traceCallback) {
+        const millis = new Date().getTime() - startTime;
+        traceCallback.call(null, err, result, millis);
+      }
+
+      if (callback) {
+        callback.apply(null, arguments);
+      }
+    };
+  }
+
+  return callback;
+};
+
+/**
+ * Add trace function that gets called when the query is executed.
+ * The function will be called with (method, queryInfo, query) and
+ * should return a callback function which will be called
+ * with (err, result, millis) when the query is complete.
+ *
+ * queryInfo is an object containing: {
+ *   collectionName: <name of the collection>,
+ *   conditions: <query criteria>,
+ *   options: <comment, fields, readPreference, etc>,
+ *   doc: [document to update, if applicable]
+ * }
+ *
+ * NOTE: Does not trace stream queries.
+ *
+ * @param {Function} traceFunction
+ * @return {Query} this
+ * @api public
+ */
+Query.prototype.setTraceFunction = function(traceFunction) {
+  this._traceFunction = traceFunction;
+  return this;
+};
+
+/**
+ * Executes the query
+ *
+ * ####Examples
+ *
+ *     query.exec();
+ *     query.exec(callback);
+ *     query.exec('update');
+ *     query.exec('find', callback);
+ *
+ * @param {String|Function} [operation]
+ * @param {Function} [callback]
+ * @api public
+ */
+
+Query.prototype.exec = function exec(op, callback) {
+  switch (typeof op) {
+    case 'function':
+      callback = op;
+      op = null;
+      break;
+    case 'string':
+      this.op = op;
+      break;
+  }
+
+  assert.ok(this.op, 'Missing query type: (find, update, etc)');
+
+  if ('update' == this.op || 'remove' == this.op) {
+    callback || (callback = true);
+  }
+
+  const _this = this;
+
+  if ('function' == typeof callback) {
+    this[this.op](callback);
+  } else {
+    return new Query.Promise(function(success, error) {
+      _this[_this.op](function(err, val) {
+        if (err) error(err);
+        else success(val);
+        success = error = null;
+      });
+    });
+  }
+};
+
+/**
+ * Returns a thunk which when called runs this.exec()
+ *
+ * The thunk receives a callback function which will be
+ * passed to `this.exec()`
+ *
+ * @return {Function}
+ * @api public
+ */
+
+Query.prototype.thunk = function() {
+  const _this = this;
+  return function(cb) {
+    _this.exec(cb);
+  };
+};
+
+/**
+ * Executes the query returning a `Promise` which will be
+ * resolved with either the doc(s) or rejected with the error.
+ *
+ * @param {Function} [resolve]
+ * @param {Function} [reject]
+ * @return {Promise}
+ * @api public
+ */
+
+Query.prototype.then = function(resolve, reject) {
+  const _this = this;
+  const promise = new Query.Promise(function(success, error) {
+    _this.exec(function(err, val) {
+      if (err) error(err);
+      else success(val);
+      success = error = null;
+    });
+  });
+  return promise.then(resolve, reject);
+};
+
+/**
+ * Returns a cursor for the given `find` query.
+ *
+ * @throws Error if operation is not a find
+ * @returns {Cursor} MongoDB driver cursor
+ */
+
+Query.prototype.cursor = function() {
+  if ('find' != this.op)
+    throw new Error('cursor() is only available for find');
+
+  const conds = this._conditions;
+
+  const options = this._optionsForExec();
+  if (this.$useProjection) {
+    options.projection = this._fieldsForExec();
+  } else {
+    options.fields = this._fieldsForExec();
+  }
+
+  debug('cursor', this._collection.collectionName, conds, options);
+
+  return this._collection.findCursor(conds, options);
+};
+
+/**
+ * Determines if field selection has been made.
+ *
+ * @return {Boolean}
+ * @api public
+ */
+
+Query.prototype.selected = function selected() {
+  return !!(this._fields && Object.keys(this._fields).length > 0);
+};
+
+/**
+ * Determines if inclusive field selection has been made.
+ *
+ *     query.selectedInclusively() // false
+ *     query.select('name')
+ *     query.selectedInclusively() // true
+ *     query.selectedExlusively() // false
+ *
+ * @returns {Boolean}
+ */
+
+Query.prototype.selectedInclusively = function selectedInclusively() {
+  if (!this._fields) return false;
+
+  const keys = Object.keys(this._fields);
+  if (0 === keys.length) return false;
+
+  for (let i = 0; i < keys.length; ++i) {
+    const key = keys[i];
+    if (0 === this._fields[key]) return false;
+    if (this._fields[key] &&
+        typeof this._fields[key] === 'object' &&
+        this._fields[key].$meta) {
+      return false;
+    }
+  }
+
+  return true;
+};
+
+/**
+ * Determines if exclusive field selection has been made.
+ *
+ *     query.selectedExlusively() // false
+ *     query.select('-name')
+ *     query.selectedExlusively() // true
+ *     query.selectedInclusively() // false
+ *
+ * @returns {Boolean}
+ */
+
+Query.prototype.selectedExclusively = function selectedExclusively() {
+  if (!this._fields) return false;
+
+  const keys = Object.keys(this._fields);
+  if (0 === keys.length) return false;
+
+  for (let i = 0; i < keys.length; ++i) {
+    const key = keys[i];
+    if (0 === this._fields[key]) return true;
+  }
+
+  return false;
+};
+
+/**
+ * Merges `doc` with the current update object.
+ *
+ * @param {Object} doc
+ */
+
+Query.prototype._mergeUpdate = function(doc) {
+  if (!this._update) this._update = {};
+  if (doc instanceof Query) {
+    if (doc._update) {
+      utils.mergeClone(this._update, doc._update);
+    }
+  } else {
+    utils.mergeClone(this._update, doc);
+  }
+};
+
+/**
+ * Returns default options.
+ *
+ * @return {Object}
+ * @api private
+ */
+
+Query.prototype._optionsForExec = function() {
+  const options = utils.clone(this.options);
+  return options;
+};
+
+/**
+ * Returns fields selection for this query.
+ *
+ * @return {Object}
+ * @api private
+ */
+
+Query.prototype._fieldsForExec = function() {
+  return utils.clone(this._fields);
+};
+
+/**
+ * Return an update document with corrected $set operations.
+ *
+ * @api private
+ */
+
+Query.prototype._updateForExec = function() {
+  const update = utils.clone(this._update);
+  const ops = utils.keys(update);
+  const ret = {};
+
+  for (const op of ops) {
+    if (this.options.overwrite) {
+      ret[op] = update[op];
+      continue;
+    }
+
+    if ('$' !== op[0]) {
+      // fix up $set sugar
+      if (!ret.$set) {
+        if (update.$set) {
+          ret.$set = update.$set;
+        } else {
+          ret.$set = {};
+        }
+      }
+      ret.$set[op] = update[op];
+      if (!~ops.indexOf('$set')) ops.push('$set');
+    } else if ('$set' === op) {
+      if (!ret.$set) {
+        ret[op] = update[op];
+      }
+    } else {
+      ret[op] = update[op];
+    }
+  }
+
+  this._compiledUpdate = ret;
+  return ret;
+};
+
+/**
+ * Make sure _path is set.
+ *
+ * @parmam {String} method
+ */
+
+Query.prototype._ensurePath = function(method) {
+  if (!this._path) {
+    const msg = method + '() must be used after where() '
+                     + 'when called with these arguments';
+    throw new Error(msg);
+  }
+};
+
+/*!
+ * Permissions
+ */
+
+Query.permissions = require('./permissions');
+
+Query._isPermitted = function(a, b) {
+  const denied = Query.permissions[b];
+  if (!denied) return true;
+  return true !== denied[a];
+};
+
+Query.prototype._validate = function(action) {
+  let fail;
+  let validator;
+
+  if (undefined === action) {
+
+    validator = Query.permissions[this.op];
+    if ('function' != typeof validator) return true;
+
+    fail = validator(this);
+
+  } else if (!Query._isPermitted(action, this.op)) {
+    fail = action;
+  }
+
+  if (fail) {
+    throw new Error(fail + ' cannot be used with ' + this.op);
+  }
+};
+
+/**
+ * Determines if `conds` can be merged using `mquery().merge()`
+ *
+ * @param {Object} conds
+ * @return {Boolean}
+ */
+
+Query.canMerge = function(conds) {
+  return conds instanceof Query || utils.isObject(conds);
+};
+
+/**
+ * Set a trace function that will get called whenever a
+ * query is executed.
+ *
+ * See `setTraceFunction()` for details.
+ *
+ * @param {Object} conds
+ * @return {Boolean}
+ */
+Query.setGlobalTraceFunction = function(traceFunction) {
+  Query.traceFunction = traceFunction;
+};
+
+/*!
+ * Exports.
+ */
+
+Query.utils = utils;
+Query.env = require('./env');
+Query.Collection = require('./collection');
+Query.BaseCollection = require('./collection/collection');
+Query.Promise = Promise;
+module.exports = exports = Query;
+
+// TODO
+// test utils
diff --git a/node_modules/mquery/lib/permissions.js b/node_modules/mquery/lib/permissions.js
new file mode 100644
index 000000000..9cf9d36b8
--- /dev/null
+++ b/node_modules/mquery/lib/permissions.js
@@ -0,0 +1,84 @@
+'use strict';
+
+const denied = exports;
+
+denied.distinct = function(self) {
+  if (self._fields && Object.keys(self._fields).length > 0) {
+    return 'field selection and slice';
+  }
+
+  const keys = Object.keys(denied.distinct);
+  let err;
+
+  keys.every(function(option) {
+    if (self.options[option]) {
+      err = option;
+      return false;
+    }
+    return true;
+  });
+
+  return err;
+};
+denied.distinct.select =
+denied.distinct.slice =
+denied.distinct.sort =
+denied.distinct.limit =
+denied.distinct.skip =
+denied.distinct.batchSize =
+denied.distinct.maxScan =
+denied.distinct.snapshot =
+denied.distinct.hint =
+denied.distinct.tailable = true;
+
+
+// aggregation integration
+
+
+denied.findOneAndUpdate =
+denied.findOneAndRemove = function(self) {
+  const keys = Object.keys(denied.findOneAndUpdate);
+  let err;
+
+  keys.every(function(option) {
+    if (self.options[option]) {
+      err = option;
+      return false;
+    }
+    return true;
+  });
+
+  return err;
+};
+denied.findOneAndUpdate.limit =
+denied.findOneAndUpdate.skip =
+denied.findOneAndUpdate.batchSize =
+denied.findOneAndUpdate.maxScan =
+denied.findOneAndUpdate.snapshot =
+denied.findOneAndUpdate.tailable = true;
+
+
+denied.count = function(self) {
+  if (self._fields && Object.keys(self._fields).length > 0) {
+    return 'field selection and slice';
+  }
+
+  const keys = Object.keys(denied.count);
+  let err;
+
+  keys.every(function(option) {
+    if (self.options[option]) {
+      err = option;
+      return false;
+    }
+    return true;
+  });
+
+  return err;
+};
+
+denied.count.slice =
+denied.count.batchSize =
+denied.count.maxScan =
+denied.count.snapshot =
+denied.count.tailable = true;
diff --git a/node_modules/mquery/lib/utils.js b/node_modules/mquery/lib/utils.js
new file mode 100644
index 000000000..986c1a751
--- /dev/null
+++ b/node_modules/mquery/lib/utils.js
@@ -0,0 +1,335 @@
+'use strict';
+
+/*!
+ * Module dependencies.
+ */
+
+const specialProperties = ['__proto__', 'constructor', 'prototype'];
+
+/**
+ * Clones objects
+ *
+ * @param {Object} obj the object to clone
+ * @param {Object} options
+ * @return {Object} the cloned object
+ * @api private
+ */
+
+const clone = exports.clone = function clone(obj, options) {
+  if (obj === undefined || obj === null)
+    return obj;
+
+  if (Array.isArray(obj))
+    return exports.cloneArray(obj, options);
+
+  if (obj.constructor) {
+    if (/ObjectI[dD]$/.test(obj.constructor.name)) {
+      return 'function' == typeof obj.clone
+        ? obj.clone()
+        : new obj.constructor(obj.id);
+    }
+
+    if (obj.constructor.name === 'ReadPreference') {
+      return new obj.constructor(obj.mode, clone(obj.tags, options));
+    }
+
+    if ('Binary' == obj._bsontype && obj.buffer && obj.value) {
+      return 'function' == typeof obj.clone
+        ? obj.clone()
+        : new obj.constructor(obj.value(true), obj.sub_type);
+    }
+
+    if ('Date' === obj.constructor.name || 'Function' === obj.constructor.name)
+      return new obj.constructor(+obj);
+
+    if ('RegExp' === obj.constructor.name)
+      return new RegExp(obj);
+
+    if ('Buffer' === obj.constructor.name)
+      return Buffer.from(obj);
+  }
+
+  if (isObject(obj))
+    return exports.cloneObject(obj, options);
+
+  if (obj.valueOf)
+    return obj.valueOf();
+};
+
+/*!
+ * ignore
+ */
+
+exports.cloneObject = function cloneObject(obj, options) {
+  const minimize = options && options.minimize,
+      ret = {},
+      keys = Object.keys(obj),
+      len = keys.length;
+  let hasKeys = false,
+      val,
+      k = '',
+      i = 0;
+
+  for (i = 0; i < len; ++i) {
+    k = keys[i];
+    // Not technically prototype pollution because this wouldn't merge properties
+    // onto `Object.prototype`, but avoid properties like __proto__ as a precaution.
+    if (specialProperties.indexOf(k) !== -1) {
+      continue;
+    }
+
+    val = clone(obj[k], options);
+
+    if (!minimize || ('undefined' !== typeof val)) {
+      hasKeys || (hasKeys = true);
+      ret[k] = val;
+    }
+  }
+
+  return minimize
+    ? hasKeys && ret
+    : ret;
+};
+
+exports.cloneArray = function cloneArray(arr, options) {
+  const ret = [],
+      l = arr.length;
+  let i = 0;
+  for (; i < l; i++)
+    ret.push(clone(arr[i], options));
+  return ret;
+};
+
+/**
+ * process.nextTick helper.
+ *
+ * Wraps the given `callback` in a try/catch. If an error is
+ * caught it will be thrown on nextTick.
+ *
+ * node-mongodb-native had a habit of state corruption when
+ * an error was immediately thrown from within a collection
+ * method (find, update, etc) callback.
+ *
+ * @param {Function} [callback]
+ * @api private
+ */
+
+exports.tick = function tick(callback) {
+  if ('function' !== typeof callback) return;
+  return function() {
+    // callbacks should always be fired on the next
+    // turn of the event loop. A side benefit is
+    // errors thrown from executing the callback
+    // will not cause drivers state to be corrupted
+    // which has historically been a problem.
+    const args = arguments;
+    soon(function() {
+      callback.apply(this, args);
+    });
+  };
+};
+
+/**
+ * Merges `from` into `to` without overwriting existing properties.
+ *
+ * @param {Object} to
+ * @param {Object} from
+ * @api private
+ */
+
+exports.merge = function merge(to, from) {
+  const keys = Object.keys(from);
+
+  for (const key of keys) {
+    if (specialProperties.indexOf(key) !== -1) {
+      continue;
+    }
+    if ('undefined' === typeof to[key]) {
+      to[key] = from[key];
+    } else {
+      if (exports.isObject(from[key])) {
+        merge(to[key], from[key]);
+      } else {
+        to[key] = from[key];
+      }
+    }
+  }
+};
+
+/**
+ * Same as merge but clones the assigned values.
+ *
+ * @param {Object} to
+ * @param {Object} from
+ * @api private
+ */
+
+exports.mergeClone = function mergeClone(to, from) {
+  const keys = Object.keys(from);
+
+  for (const key of keys) {
+    if (specialProperties.indexOf(key) !== -1) {
+      continue;
+    }
+    if ('undefined' === typeof to[key]) {
+      to[key] = clone(from[key]);
+    } else {
+      if (exports.isObject(from[key])) {
+        mergeClone(to[key], from[key]);
+      } else {
+        to[key] = clone(from[key]);
+      }
+    }
+  }
+};
+
+/**
+ * Read pref helper (mongo 2.2 drivers support this)
+ *
+ * Allows using aliases instead of full preference names:
+ *
+ *     p   primary
+ *     pp  primaryPreferred
+ *     s   secondary
+ *     sp  secondaryPreferred
+ *     n   nearest
+ *
+ * @param {String} pref
+ */
+
+exports.readPref = function readPref(pref) {
+  switch (pref) {
+    case 'p':
+      pref = 'primary';
+      break;
+    case 'pp':
+      pref = 'primaryPreferred';
+      break;
+    case 's':
+      pref = 'secondary';
+      break;
+    case 'sp':
+      pref = 'secondaryPreferred';
+      break;
+    case 'n':
+      pref = 'nearest';
+      break;
+  }
+
+  return pref;
+};
+
+
+/**
+ * Read Concern helper (mongo 3.2 drivers support this)
+ *
+ * Allows using string to specify read concern level:
+ *
+ *     local          3.2+
+ *     available      3.6+
+ *     majority       3.2+
+ *     linearizable   3.4+
+ *     snapshot       4.0+
+ *
+ * @param {String|Object} concern
+ */
+
+exports.readConcern = function readConcern(concern) {
+  if ('string' === typeof concern) {
+    switch (concern) {
+      case 'l':
+        concern = 'local';
+        break;
+      case 'a':
+        concern = 'available';
+        break;
+      case 'm':
+        concern = 'majority';
+        break;
+      case 'lz':
+        concern = 'linearizable';
+        break;
+      case 's':
+        concern = 'snapshot';
+        break;
+    }
+    concern = { level: concern };
+  }
+  return concern;
+};
+
+/**
+ * Object.prototype.toString.call helper
+ */
+
+const _toString = Object.prototype.toString;
+exports.toString = function(arg) {
+  return _toString.call(arg);
+};
+
+/**
+ * Determines if `arg` is an object.
+ *
+ * @param {Object|Array|String|Function|RegExp|any} arg
+ * @return {Boolean}
+ */
+
+const isObject = exports.isObject = function(arg) {
+  return '[object Object]' == exports.toString(arg);
+};
+
+/**
+ * Object.keys helper
+ */
+
+exports.keys = Object.keys;
+
+/**
+ * Basic Object.create polyfill.
+ * Only one argument is supported.
+ *
+ * Based on https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Object/create
+ */
+
+exports.create = 'function' == typeof Object.create
+  ? Object.create
+  : create;
+
+function create(proto) {
+  if (arguments.length > 1) {
+    throw new Error('Adding properties is not supported');
+  }
+
+  function F() { }
+  F.prototype = proto;
+  return new F;
+}
+
+/**
+ * inheritance
+ */
+
+exports.inherits = function(ctor, superCtor) {
+  ctor.prototype = exports.create(superCtor.prototype);
+  ctor.prototype.constructor = ctor;
+};
+
+/**
+ * nextTick helper
+ * compat with node 0.10 which behaves differently than previous versions
+ */
+
+const soon = exports.soon = 'function' == typeof setImmediate
+  ? setImmediate
+  : process.nextTick;
+
+/**
+ * Check if this object is an arguments object
+ *
+ * @param {Any} v
+ * @return {Boolean}
+ */
+
+exports.isArgumentsObject = function(v) {
+  return Object.prototype.toString.call(v) === '[object Arguments]';
+};
diff --git a/node_modules/mquery/node_modules/debug/LICENSE b/node_modules/mquery/node_modules/debug/LICENSE
new file mode 100644
index 000000000..1a9820e26
--- /dev/null
+++ b/node_modules/mquery/node_modules/debug/LICENSE
@@ -0,0 +1,20 @@
+(The MIT License)
+
+Copyright (c) 2014-2017 TJ Holowaychuk <tj@vision-media.ca>
+Copyright (c) 2018-2021 Josh Junon
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+and associated documentation files (the 'Software'), to deal in the Software without restriction,
+including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
diff --git a/node_modules/mquery/node_modules/debug/README.md b/node_modules/mquery/node_modules/debug/README.md
new file mode 100644
index 000000000..e9c3e047c
--- /dev/null
+++ b/node_modules/mquery/node_modules/debug/README.md
@@ -0,0 +1,481 @@
+# debug
+[![Build Status](https://travis-ci.org/debug-js/debug.svg?branch=master)](https://travis-ci.org/debug-js/debug)  [![Coverage Status](https://coveralls.io/repos/github/debug-js/debug/badge.svg?branch=master)](https://coveralls.io/github/debug-js/debug?branch=master)  [![Slack](https://visionmedia-community-slackin.now.sh/badge.svg)](https://visionmedia-community-slackin.now.sh/) [![OpenCollective](https://opencollective.com/debug/backers/badge.svg)](#backers)
+[![OpenCollective](https://opencollective.com/debug/sponsors/badge.svg)](#sponsors)
+
+<img width="647" src="https://user-images.githubusercontent.com/71256/29091486-fa38524c-7c37-11e7-895f-e7ec8e1039b6.png">
+
+A tiny JavaScript debugging utility modelled after Node.js core's debugging
+technique. Works in Node.js and web browsers.
+
+## Installation
+
+```bash
+$ npm install debug
+```
+
+## Usage
+
+`debug` exposes a function; simply pass this function the name of your module, and it will return a decorated version of `console.error` for you to pass debug statements to. This will allow you to toggle the debug output for different parts of your module as well as the module as a whole.
+
+Example [_app.js_](./examples/node/app.js):
+
+```js
+var debug = require('debug')('http')
+  , http = require('http')
+  , name = 'My App';
+
+// fake app
+
+debug('booting %o', name);
+
+http.createServer(function(req, res){
+  debug(req.method + ' ' + req.url);
+  res.end('hello\n');
+}).listen(3000, function(){
+  debug('listening');
+});
+
+// fake worker of some kind
+
+require('./worker');
+```
+
+Example [_worker.js_](./examples/node/worker.js):
+
+```js
+var a = require('debug')('worker:a')
+  , b = require('debug')('worker:b');
+
+function work() {
+  a('doing lots of uninteresting work');
+  setTimeout(work, Math.random() * 1000);
+}
+
+work();
+
+function workb() {
+  b('doing some work');
+  setTimeout(workb, Math.random() * 2000);
+}
+
+workb();
+```
+
+The `DEBUG` environment variable is then used to enable these based on space or
+comma-delimited names.
+
+Here are some examples:
+
+<img width="647" alt="screen shot 2017-08-08 at 12 53 04 pm" src="https://user-images.githubusercontent.com/71256/29091703-a6302cdc-7c38-11e7-8304-7c0b3bc600cd.png">
+<img width="647" alt="screen shot 2017-08-08 at 12 53 38 pm" src="https://user-images.githubusercontent.com/71256/29091700-a62a6888-7c38-11e7-800b-db911291ca2b.png">
+<img width="647" alt="screen shot 2017-08-08 at 12 53 25 pm" src="https://user-images.githubusercontent.com/71256/29091701-a62ea114-7c38-11e7-826a-2692bedca740.png">
+
+#### Windows command prompt notes
+
+##### CMD
+
+On Windows the environment variable is set using the `set` command.
+
+```cmd
+set DEBUG=*,-not_this
+```
+
+Example:
+
+```cmd
+set DEBUG=* & node app.js
+```
+
+##### PowerShell (VS Code default)
+
+PowerShell uses different syntax to set environment variables.
+
+```cmd
+$env:DEBUG = "*,-not_this"
+```
+
+Example:
+
+```cmd
+$env:DEBUG='app';node app.js
+```
+
+Then, run the program to be debugged as usual.
+
+npm script example:
+```js
+  "windowsDebug": "@powershell -Command $env:DEBUG='*';node app.js",
+```
+
+## Namespace Colors
+
+Every debug instance has a color generated for it based on its namespace name.
+This helps when visually parsing the debug output to identify which debug instance
+a debug line belongs to.
+
+#### Node.js
+
+In Node.js, colors are enabled when stderr is a TTY. You also _should_ install
+the [`supports-color`](https://npmjs.org/supports-color) module alongside debug,
+otherwise debug will only use a small handful of basic colors.
+
+<img width="521" src="https://user-images.githubusercontent.com/71256/29092181-47f6a9e6-7c3a-11e7-9a14-1928d8a711cd.png">
+
+#### Web Browser
+
+Colors are also enabled on "Web Inspectors" that understand the `%c` formatting
+option. These are WebKit web inspectors, Firefox ([since version
+31](https://hacks.mozilla.org/2014/05/editable-box-model-multiple-selection-sublime-text-keys-much-more-firefox-developer-tools-episode-31/))
+and the Firebug plugin for Firefox (any version).
+
+<img width="524" src="https://user-images.githubusercontent.com/71256/29092033-b65f9f2e-7c39-11e7-8e32-f6f0d8e865c1.png">
+
+
+## Millisecond diff
+
+When actively developing an application it can be useful to see when the time spent between one `debug()` call and the next. Suppose for example you invoke `debug()` before requesting a resource, and after as well, the "+NNNms" will show you how much time was spent between calls.
+
+<img width="647" src="https://user-images.githubusercontent.com/71256/29091486-fa38524c-7c37-11e7-895f-e7ec8e1039b6.png">
+
+When stdout is not a TTY, `Date#toISOString()` is used, making it more useful for logging the debug information as shown below:
+
+<img width="647" src="https://user-images.githubusercontent.com/71256/29091956-6bd78372-7c39-11e7-8c55-c948396d6edd.png">
+
+
+## Conventions
+
+If you're using this in one or more of your libraries, you _should_ use the name of your library so that developers may toggle debugging as desired without guessing names. If you have more than one debuggers you _should_ prefix them with your library name and use ":" to separate features. For example "bodyParser" from Connect would then be "connect:bodyParser".  If you append a "*" to the end of your name, it will always be enabled regardless of the setting of the DEBUG environment variable.  You can then use it for normal output as well as debug output.
+
+## Wildcards
+
+The `*` character may be used as a wildcard. Suppose for example your library has
+debuggers named "connect:bodyParser", "connect:compress", "connect:session",
+instead of listing all three with
+`DEBUG=connect:bodyParser,connect:compress,connect:session`, you may simply do
+`DEBUG=connect:*`, or to run everything using this module simply use `DEBUG=*`.
+
+You can also exclude specific debuggers by prefixing them with a "-" character.
+For example, `DEBUG=*,-connect:*` would include all debuggers except those
+starting with "connect:".
+
+## Environment Variables
+
+When running through Node.js, you can set a few environment variables that will
+change the behavior of the debug logging:
+
+| Name      | Purpose                                         |
+|-----------|-------------------------------------------------|
+| `DEBUG`   | Enables/disables specific debugging namespaces. |
+| `DEBUG_HIDE_DATE` | Hide date from debug output (non-TTY).  |
+| `DEBUG_COLORS`| Whether or not to use colors in the debug output. |
+| `DEBUG_DEPTH` | Object inspection depth.                    |
+| `DEBUG_SHOW_HIDDEN` | Shows hidden properties on inspected objects. |
+
+
+__Note:__ The environment variables beginning with `DEBUG_` end up being
+converted into an Options object that gets used with `%o`/`%O` formatters.
+See the Node.js documentation for
+[`util.inspect()`](https://nodejs.org/api/util.html#util_util_inspect_object_options)
+for the complete list.
+
+## Formatters
+
+Debug uses [printf-style](https://wikipedia.org/wiki/Printf_format_string) formatting.
+Below are the officially supported formatters:
+
+| Formatter | Representation |
+|-----------|----------------|
+| `%O`      | Pretty-print an Object on multiple lines. |
+| `%o`      | Pretty-print an Object all on a single line. |
+| `%s`      | String. |
+| `%d`      | Number (both integer and float). |
+| `%j`      | JSON. Replaced with the string '[Circular]' if the argument contains circular references. |
+| `%%`      | Single percent sign ('%'). This does not consume an argument. |
+
+
+### Custom formatters
+
+You can add custom formatters by extending the `debug.formatters` object.
+For example, if you wanted to add support for rendering a Buffer as hex with
+`%h`, you could do something like:
+
+```js
+const createDebug = require('debug')
+createDebug.formatters.h = (v) => {
+  return v.toString('hex')
+}
+
+// …elsewhere
+const debug = createDebug('foo')
+debug('this is hex: %h', new Buffer('hello world'))
+//   foo this is hex: 68656c6c6f20776f726c6421 +0ms
+```
+
+
+## Browser Support
+
+You can build a browser-ready script using [browserify](https://github.com/substack/node-browserify),
+or just use the [browserify-as-a-service](https://wzrd.in/) [build](https://wzrd.in/standalone/debug@latest),
+if you don't want to build it yourself.
+
+Debug's enable state is currently persisted by `localStorage`.
+Consider the situation shown below where you have `worker:a` and `worker:b`,
+and wish to debug both. You can enable this using `localStorage.debug`:
+
+```js
+localStorage.debug = 'worker:*'
+```
+
+And then refresh the page.
+
+```js
+a = debug('worker:a');
+b = debug('worker:b');
+
+setInterval(function(){
+  a('doing some work');
+}, 1000);
+
+setInterval(function(){
+  b('doing some work');
+}, 1200);
+```
+
+In Chromium-based web browsers (e.g. Brave, Chrome, and Electron), the JavaScript console will—by default—only show messages logged by `debug` if the "Verbose" log level is _enabled_.
+
+<img width="647" src="https://user-images.githubusercontent.com/7143133/152083257-29034707-c42c-4959-8add-3cee850e6fcf.png">
+
+## Output streams
+
+  By default `debug` will log to stderr, however this can be configured per-namespace by overriding the `log` method:
+
+Example [_stdout.js_](./examples/node/stdout.js):
+
+```js
+var debug = require('debug');
+var error = debug('app:error');
+
+// by default stderr is used
+error('goes to stderr!');
+
+var log = debug('app:log');
+// set this namespace to log via console.log
+log.log = console.log.bind(console); // don't forget to bind to console!
+log('goes to stdout');
+error('still goes to stderr!');
+
+// set all output to go via console.info
+// overrides all per-namespace log settings
+debug.log = console.info.bind(console);
+error('now goes to stdout via console.info');
+log('still goes to stdout, but via console.info now');
+```
+
+## Extend
+You can simply extend debugger 
+```js
+const log = require('debug')('auth');
+
+//creates new debug instance with extended namespace
+const logSign = log.extend('sign');
+const logLogin = log.extend('login');
+
+log('hello'); // auth hello
+logSign('hello'); //auth:sign hello
+logLogin('hello'); //auth:login hello
+```
+
+## Set dynamically
+
+You can also enable debug dynamically by calling the `enable()` method :
+
+```js
+let debug = require('debug');
+
+console.log(1, debug.enabled('test'));
+
+debug.enable('test');
+console.log(2, debug.enabled('test'));
+
+debug.disable();
+console.log(3, debug.enabled('test'));
+
+```
+
+print :   
+```
+1 false
+2 true
+3 false
+```
+
+Usage :  
+`enable(namespaces)`  
+`namespaces` can include modes separated by a colon and wildcards.
+   
+Note that calling `enable()` completely overrides previously set DEBUG variable : 
+
+```
+$ DEBUG=foo node -e 'var dbg = require("debug"); dbg.enable("bar"); console.log(dbg.enabled("foo"))'
+=> false
+```
+
+`disable()`
+
+Will disable all namespaces. The functions returns the namespaces currently
+enabled (and skipped). This can be useful if you want to disable debugging
+temporarily without knowing what was enabled to begin with.
+
+For example:
+
+```js
+let debug = require('debug');
+debug.enable('foo:*,-foo:bar');
+let namespaces = debug.disable();
+debug.enable(namespaces);
+```
+
+Note: There is no guarantee that the string will be identical to the initial
+enable string, but semantically they will be identical.
+
+## Checking whether a debug target is enabled
+
+After you've created a debug instance, you can determine whether or not it is
+enabled by checking the `enabled` property:
+
+```javascript
+const debug = require('debug')('http');
+
+if (debug.enabled) {
+  // do stuff...
+}
+```
+
+You can also manually toggle this property to force the debug instance to be
+enabled or disabled.
+
+## Usage in child processes
+
+Due to the way `debug` detects if the output is a TTY or not, colors are not shown in child processes when `stderr` is piped. A solution is to pass the `DEBUG_COLORS=1` environment variable to the child process.  
+For example:
+
+```javascript
+worker = fork(WORKER_WRAP_PATH, [workerPath], {
+  stdio: [
+    /* stdin: */ 0,
+    /* stdout: */ 'pipe',
+    /* stderr: */ 'pipe',
+    'ipc',
+  ],
+  env: Object.assign({}, process.env, {
+    DEBUG_COLORS: 1 // without this settings, colors won't be shown
+  }),
+});
+
+worker.stderr.pipe(process.stderr, { end: false });
+```
+
+
+## Authors
+
+ - TJ Holowaychuk
+ - Nathan Rajlich
+ - Andrew Rhyne
+ - Josh Junon
+
+## Backers
+
+Support us with a monthly donation and help us continue our activities. [[Become a backer](https://opencollective.com/debug#backer)]
+
+<a href="https://opencollective.com/debug/backer/0/website" target="_blank"><img src="https://opencollective.com/debug/backer/0/avatar.svg"></a>
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+
+
+## Sponsors
+
+Become a sponsor and get your logo on our README on Github with a link to your site. [[Become a sponsor](https://opencollective.com/debug#sponsor)]
+
+<a href="https://opencollective.com/debug/sponsor/0/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/0/avatar.svg"></a>
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+<a href="https://opencollective.com/debug/sponsor/13/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/13/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/14/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/14/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/15/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/15/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/16/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/16/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/17/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/17/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/18/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/18/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/19/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/19/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/20/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/20/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/21/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/21/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/22/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/22/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/23/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/23/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/24/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/24/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/25/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/25/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/26/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/26/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/27/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/27/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/28/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/28/avatar.svg"></a>
+<a href="https://opencollective.com/debug/sponsor/29/website" target="_blank"><img src="https://opencollective.com/debug/sponsor/29/avatar.svg"></a>
+
+## License
+
+(The MIT License)
+
+Copyright (c) 2014-2017 TJ Holowaychuk &lt;tj@vision-media.ca&gt;
+Copyright (c) 2018-2021 Josh Junon
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/mquery/node_modules/debug/package.json b/node_modules/mquery/node_modules/debug/package.json
new file mode 100644
index 000000000..3bcdc242f
--- /dev/null
+++ b/node_modules/mquery/node_modules/debug/package.json
@@ -0,0 +1,59 @@
+{
+  "name": "debug",
+  "version": "4.3.4",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/debug-js/debug.git"
+  },
+  "description": "Lightweight debugging utility for Node.js and the browser",
+  "keywords": [
+    "debug",
+    "log",
+    "debugger"
+  ],
+  "files": [
+    "src",
+    "LICENSE",
+    "README.md"
+  ],
+  "author": "Josh Junon <josh.junon@protonmail.com>",
+  "contributors": [
+    "TJ Holowaychuk <tj@vision-media.ca>",
+    "Nathan Rajlich <nathan@tootallnate.net> (http://n8.io)",
+    "Andrew Rhyne <rhyneandrew@gmail.com>"
+  ],
+  "license": "MIT",
+  "scripts": {
+    "lint": "xo",
+    "test": "npm run test:node && npm run test:browser && npm run lint",
+    "test:node": "istanbul cover _mocha -- test.js",
+    "test:browser": "karma start --single-run",
+    "test:coverage": "cat ./coverage/lcov.info | coveralls"
+  },
+  "dependencies": {
+    "ms": "2.1.2"
+  },
+  "devDependencies": {
+    "brfs": "^2.0.1",
+    "browserify": "^16.2.3",
+    "coveralls": "^3.0.2",
+    "istanbul": "^0.4.5",
+    "karma": "^3.1.4",
+    "karma-browserify": "^6.0.0",
+    "karma-chrome-launcher": "^2.2.0",
+    "karma-mocha": "^1.3.0",
+    "mocha": "^5.2.0",
+    "mocha-lcov-reporter": "^1.2.0",
+    "xo": "^0.23.0"
+  },
+  "peerDependenciesMeta": {
+    "supports-color": {
+      "optional": true
+    }
+  },
+  "main": "./src/index.js",
+  "browser": "./src/browser.js",
+  "engines": {
+    "node": ">=6.0"
+  }
+}
diff --git a/node_modules/mquery/node_modules/debug/src/browser.js b/node_modules/mquery/node_modules/debug/src/browser.js
new file mode 100644
index 000000000..cd0fc35d1
--- /dev/null
+++ b/node_modules/mquery/node_modules/debug/src/browser.js
@@ -0,0 +1,269 @@
+/* eslint-env browser */
+
+/**
+ * This is the web browser implementation of `debug()`.
+ */
+
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+exports.storage = localstorage();
+exports.destroy = (() => {
+	let warned = false;
+
+	return () => {
+		if (!warned) {
+			warned = true;
+			console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
+		}
+	};
+})();
+
+/**
+ * Colors.
+ */
+
+exports.colors = [
+	'#0000CC',
+	'#0000FF',
+	'#0033CC',
+	'#0033FF',
+	'#0066CC',
+	'#0066FF',
+	'#0099CC',
+	'#0099FF',
+	'#00CC00',
+	'#00CC33',
+	'#00CC66',
+	'#00CC99',
+	'#00CCCC',
+	'#00CCFF',
+	'#3300CC',
+	'#3300FF',
+	'#3333CC',
+	'#3333FF',
+	'#3366CC',
+	'#3366FF',
+	'#3399CC',
+	'#3399FF',
+	'#33CC00',
+	'#33CC33',
+	'#33CC66',
+	'#33CC99',
+	'#33CCCC',
+	'#33CCFF',
+	'#6600CC',
+	'#6600FF',
+	'#6633CC',
+	'#6633FF',
+	'#66CC00',
+	'#66CC33',
+	'#9900CC',
+	'#9900FF',
+	'#9933CC',
+	'#9933FF',
+	'#99CC00',
+	'#99CC33',
+	'#CC0000',
+	'#CC0033',
+	'#CC0066',
+	'#CC0099',
+	'#CC00CC',
+	'#CC00FF',
+	'#CC3300',
+	'#CC3333',
+	'#CC3366',
+	'#CC3399',
+	'#CC33CC',
+	'#CC33FF',
+	'#CC6600',
+	'#CC6633',
+	'#CC9900',
+	'#CC9933',
+	'#CCCC00',
+	'#CCCC33',
+	'#FF0000',
+	'#FF0033',
+	'#FF0066',
+	'#FF0099',
+	'#FF00CC',
+	'#FF00FF',
+	'#FF3300',
+	'#FF3333',
+	'#FF3366',
+	'#FF3399',
+	'#FF33CC',
+	'#FF33FF',
+	'#FF6600',
+	'#FF6633',
+	'#FF9900',
+	'#FF9933',
+	'#FFCC00',
+	'#FFCC33'
+];
+
+/**
+ * Currently only WebKit-based Web Inspectors, Firefox >= v31,
+ * and the Firebug extension (any Firefox version) are known
+ * to support "%c" CSS customizations.
+ *
+ * TODO: add a `localStorage` variable to explicitly enable/disable colors
+ */
+
+// eslint-disable-next-line complexity
+function useColors() {
+	// NB: In an Electron preload script, document will be defined but not fully
+	// initialized. Since we know we're in Chrome, we'll just detect this case
+	// explicitly
+	if (typeof window !== 'undefined' && window.process && (window.process.type === 'renderer' || window.process.__nwjs)) {
+		return true;
+	}
+
+	// Internet Explorer and Edge do not support colors.
+	if (typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/(edge|trident)\/(\d+)/)) {
+		return false;
+	}
+
+	// Is webkit? http://stackoverflow.com/a/16459606/376773
+	// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
+	return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
+		// Is firebug? http://stackoverflow.com/a/398120/376773
+		(typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
+		// Is firefox >= v31?
+		// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
+		(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
+		// Double check webkit in userAgent just in case we are in a worker
+		(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
+}
+
+/**
+ * Colorize log arguments if enabled.
+ *
+ * @api public
+ */
+
+function formatArgs(args) {
+	args[0] = (this.useColors ? '%c' : '') +
+		this.namespace +
+		(this.useColors ? ' %c' : ' ') +
+		args[0] +
+		(this.useColors ? '%c ' : ' ') +
+		'+' + module.exports.humanize(this.diff);
+
+	if (!this.useColors) {
+		return;
+	}
+
+	const c = 'color: ' + this.color;
+	args.splice(1, 0, c, 'color: inherit');
+
+	// The final "%c" is somewhat tricky, because there could be other
+	// arguments passed either before or after the %c, so we need to
+	// figure out the correct index to insert the CSS into
+	let index = 0;
+	let lastC = 0;
+	args[0].replace(/%[a-zA-Z%]/g, match => {
+		if (match === '%%') {
+			return;
+		}
+		index++;
+		if (match === '%c') {
+			// We only are interested in the *last* %c
+			// (the user may have provided their own)
+			lastC = index;
+		}
+	});
+
+	args.splice(lastC, 0, c);
+}
+
+/**
+ * Invokes `console.debug()` when available.
+ * No-op when `console.debug` is not a "function".
+ * If `console.debug` is not available, falls back
+ * to `console.log`.
+ *
+ * @api public
+ */
+exports.log = console.debug || console.log || (() => {});
+
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+function save(namespaces) {
+	try {
+		if (namespaces) {
+			exports.storage.setItem('debug', namespaces);
+		} else {
+			exports.storage.removeItem('debug');
+		}
+	} catch (error) {
+		// Swallow
+		// XXX (@Qix-) should we be logging these?
+	}
+}
+
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+function load() {
+	let r;
+	try {
+		r = exports.storage.getItem('debug');
+	} catch (error) {
+		// Swallow
+		// XXX (@Qix-) should we be logging these?
+	}
+
+	// If debug isn't set in LS, and we're in Electron, try to load $DEBUG
+	if (!r && typeof process !== 'undefined' && 'env' in process) {
+		r = process.env.DEBUG;
+	}
+
+	return r;
+}
+
+/**
+ * Localstorage attempts to return the localstorage.
+ *
+ * This is necessary because safari throws
+ * when a user disables cookies/localstorage
+ * and you attempt to access it.
+ *
+ * @return {LocalStorage}
+ * @api private
+ */
+
+function localstorage() {
+	try {
+		// TVMLKit (Apple TV JS Runtime) does not have a window object, just localStorage in the global context
+		// The Browser also has localStorage in the global context.
+		return localStorage;
+	} catch (error) {
+		// Swallow
+		// XXX (@Qix-) should we be logging these?
+	}
+}
+
+module.exports = require('./common')(exports);
+
+const {formatters} = module.exports;
+
+/**
+ * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
+ */
+
+formatters.j = function (v) {
+	try {
+		return JSON.stringify(v);
+	} catch (error) {
+		return '[UnexpectedJSONParseError]: ' + error.message;
+	}
+};
diff --git a/node_modules/mquery/node_modules/debug/src/common.js b/node_modules/mquery/node_modules/debug/src/common.js
new file mode 100644
index 000000000..e3291b20f
--- /dev/null
+++ b/node_modules/mquery/node_modules/debug/src/common.js
@@ -0,0 +1,274 @@
+
+/**
+ * This is the common logic for both the Node.js and web browser
+ * implementations of `debug()`.
+ */
+
+function setup(env) {
+	createDebug.debug = createDebug;
+	createDebug.default = createDebug;
+	createDebug.coerce = coerce;
+	createDebug.disable = disable;
+	createDebug.enable = enable;
+	createDebug.enabled = enabled;
+	createDebug.humanize = require('ms');
+	createDebug.destroy = destroy;
+
+	Object.keys(env).forEach(key => {
+		createDebug[key] = env[key];
+	});
+
+	/**
+	* The currently active debug mode names, and names to skip.
+	*/
+
+	createDebug.names = [];
+	createDebug.skips = [];
+
+	/**
+	* Map of special "%n" handling functions, for the debug "format" argument.
+	*
+	* Valid key names are a single, lower or upper-case letter, i.e. "n" and "N".
+	*/
+	createDebug.formatters = {};
+
+	/**
+	* Selects a color for a debug namespace
+	* @param {String} namespace The namespace string for the debug instance to be colored
+	* @return {Number|String} An ANSI color code for the given namespace
+	* @api private
+	*/
+	function selectColor(namespace) {
+		let hash = 0;
+
+		for (let i = 0; i < namespace.length; i++) {
+			hash = ((hash << 5) - hash) + namespace.charCodeAt(i);
+			hash |= 0; // Convert to 32bit integer
+		}
+
+		return createDebug.colors[Math.abs(hash) % createDebug.colors.length];
+	}
+	createDebug.selectColor = selectColor;
+
+	/**
+	* Create a debugger with the given `namespace`.
+	*
+	* @param {String} namespace
+	* @return {Function}
+	* @api public
+	*/
+	function createDebug(namespace) {
+		let prevTime;
+		let enableOverride = null;
+		let namespacesCache;
+		let enabledCache;
+
+		function debug(...args) {
+			// Disabled?
+			if (!debug.enabled) {
+				return;
+			}
+
+			const self = debug;
+
+			// Set `diff` timestamp
+			const curr = Number(new Date());
+			const ms = curr - (prevTime || curr);
+			self.diff = ms;
+			self.prev = prevTime;
+			self.curr = curr;
+			prevTime = curr;
+
+			args[0] = createDebug.coerce(args[0]);
+
+			if (typeof args[0] !== 'string') {
+				// Anything else let's inspect with %O
+				args.unshift('%O');
+			}
+
+			// Apply any `formatters` transformations
+			let index = 0;
+			args[0] = args[0].replace(/%([a-zA-Z%])/g, (match, format) => {
+				// If we encounter an escaped % then don't increase the array index
+				if (match === '%%') {
+					return '%';
+				}
+				index++;
+				const formatter = createDebug.formatters[format];
+				if (typeof formatter === 'function') {
+					const val = args[index];
+					match = formatter.call(self, val);
+
+					// Now we need to remove `args[index]` since it's inlined in the `format`
+					args.splice(index, 1);
+					index--;
+				}
+				return match;
+			});
+
+			// Apply env-specific formatting (colors, etc.)
+			createDebug.formatArgs.call(self, args);
+
+			const logFn = self.log || createDebug.log;
+			logFn.apply(self, args);
+		}
+
+		debug.namespace = namespace;
+		debug.useColors = createDebug.useColors();
+		debug.color = createDebug.selectColor(namespace);
+		debug.extend = extend;
+		debug.destroy = createDebug.destroy; // XXX Temporary. Will be removed in the next major release.
+
+		Object.defineProperty(debug, 'enabled', {
+			enumerable: true,
+			configurable: false,
+			get: () => {
+				if (enableOverride !== null) {
+					return enableOverride;
+				}
+				if (namespacesCache !== createDebug.namespaces) {
+					namespacesCache = createDebug.namespaces;
+					enabledCache = createDebug.enabled(namespace);
+				}
+
+				return enabledCache;
+			},
+			set: v => {
+				enableOverride = v;
+			}
+		});
+
+		// Env-specific initialization logic for debug instances
+		if (typeof createDebug.init === 'function') {
+			createDebug.init(debug);
+		}
+
+		return debug;
+	}
+
+	function extend(namespace, delimiter) {
+		const newDebug = createDebug(this.namespace + (typeof delimiter === 'undefined' ? ':' : delimiter) + namespace);
+		newDebug.log = this.log;
+		return newDebug;
+	}
+
+	/**
+	* Enables a debug mode by namespaces. This can include modes
+	* separated by a colon and wildcards.
+	*
+	* @param {String} namespaces
+	* @api public
+	*/
+	function enable(namespaces) {
+		createDebug.save(namespaces);
+		createDebug.namespaces = namespaces;
+
+		createDebug.names = [];
+		createDebug.skips = [];
+
+		let i;
+		const split = (typeof namespaces === 'string' ? namespaces : '').split(/[\s,]+/);
+		const len = split.length;
+
+		for (i = 0; i < len; i++) {
+			if (!split[i]) {
+				// ignore empty strings
+				continue;
+			}
+
+			namespaces = split[i].replace(/\*/g, '.*?');
+
+			if (namespaces[0] === '-') {
+				createDebug.skips.push(new RegExp('^' + namespaces.slice(1) + '$'));
+			} else {
+				createDebug.names.push(new RegExp('^' + namespaces + '$'));
+			}
+		}
+	}
+
+	/**
+	* Disable debug output.
+	*
+	* @return {String} namespaces
+	* @api public
+	*/
+	function disable() {
+		const namespaces = [
+			...createDebug.names.map(toNamespace),
+			...createDebug.skips.map(toNamespace).map(namespace => '-' + namespace)
+		].join(',');
+		createDebug.enable('');
+		return namespaces;
+	}
+
+	/**
+	* Returns true if the given mode name is enabled, false otherwise.
+	*
+	* @param {String} name
+	* @return {Boolean}
+	* @api public
+	*/
+	function enabled(name) {
+		if (name[name.length - 1] === '*') {
+			return true;
+		}
+
+		let i;
+		let len;
+
+		for (i = 0, len = createDebug.skips.length; i < len; i++) {
+			if (createDebug.skips[i].test(name)) {
+				return false;
+			}
+		}
+
+		for (i = 0, len = createDebug.names.length; i < len; i++) {
+			if (createDebug.names[i].test(name)) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	* Convert regexp to namespace
+	*
+	* @param {RegExp} regxep
+	* @return {String} namespace
+	* @api private
+	*/
+	function toNamespace(regexp) {
+		return regexp.toString()
+			.substring(2, regexp.toString().length - 2)
+			.replace(/\.\*\?$/, '*');
+	}
+
+	/**
+	* Coerce `val`.
+	*
+	* @param {Mixed} val
+	* @return {Mixed}
+	* @api private
+	*/
+	function coerce(val) {
+		if (val instanceof Error) {
+			return val.stack || val.message;
+		}
+		return val;
+	}
+
+	/**
+	* XXX DO NOT USE. This is a temporary stub function.
+	* XXX It WILL be removed in the next major release.
+	*/
+	function destroy() {
+		console.warn('Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.');
+	}
+
+	createDebug.enable(createDebug.load());
+
+	return createDebug;
+}
+
+module.exports = setup;
diff --git a/node_modules/mquery/node_modules/debug/src/index.js b/node_modules/mquery/node_modules/debug/src/index.js
new file mode 100644
index 000000000..bf4c57f25
--- /dev/null
+++ b/node_modules/mquery/node_modules/debug/src/index.js
@@ -0,0 +1,10 @@
+/**
+ * Detect Electron renderer / nwjs process, which is node, but we should
+ * treat as a browser.
+ */
+
+if (typeof process === 'undefined' || process.type === 'renderer' || process.browser === true || process.__nwjs) {
+	module.exports = require('./browser.js');
+} else {
+	module.exports = require('./node.js');
+}
diff --git a/node_modules/mquery/node_modules/debug/src/node.js b/node_modules/mquery/node_modules/debug/src/node.js
new file mode 100644
index 000000000..79bc085cb
--- /dev/null
+++ b/node_modules/mquery/node_modules/debug/src/node.js
@@ -0,0 +1,263 @@
+/**
+ * Module dependencies.
+ */
+
+const tty = require('tty');
+const util = require('util');
+
+/**
+ * This is the Node.js implementation of `debug()`.
+ */
+
+exports.init = init;
+exports.log = log;
+exports.formatArgs = formatArgs;
+exports.save = save;
+exports.load = load;
+exports.useColors = useColors;
+exports.destroy = util.deprecate(
+	() => {},
+	'Instance method `debug.destroy()` is deprecated and no longer does anything. It will be removed in the next major version of `debug`.'
+);
+
+/**
+ * Colors.
+ */
+
+exports.colors = [6, 2, 3, 4, 5, 1];
+
+try {
+	// Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json)
+	// eslint-disable-next-line import/no-extraneous-dependencies
+	const supportsColor = require('supports-color');
+
+	if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) {
+		exports.colors = [
+			20,
+			21,
+			26,
+			27,
+			32,
+			33,
+			38,
+			39,
+			40,
+			41,
+			42,
+			43,
+			44,
+			45,
+			56,
+			57,
+			62,
+			63,
+			68,
+			69,
+			74,
+			75,
+			76,
+			77,
+			78,
+			79,
+			80,
+			81,
+			92,
+			93,
+			98,
+			99,
+			112,
+			113,
+			128,
+			129,
+			134,
+			135,
+			148,
+			149,
+			160,
+			161,
+			162,
+			163,
+			164,
+			165,
+			166,
+			167,
+			168,
+			169,
+			170,
+			171,
+			172,
+			173,
+			178,
+			179,
+			184,
+			185,
+			196,
+			197,
+			198,
+			199,
+			200,
+			201,
+			202,
+			203,
+			204,
+			205,
+			206,
+			207,
+			208,
+			209,
+			214,
+			215,
+			220,
+			221
+		];
+	}
+} catch (error) {
+	// Swallow - we only care if `supports-color` is available; it doesn't have to be.
+}
+
+/**
+ * Build up the default `inspectOpts` object from the environment variables.
+ *
+ *   $ DEBUG_COLORS=no DEBUG_DEPTH=10 DEBUG_SHOW_HIDDEN=enabled node script.js
+ */
+
+exports.inspectOpts = Object.keys(process.env).filter(key => {
+	return /^debug_/i.test(key);
+}).reduce((obj, key) => {
+	// Camel-case
+	const prop = key
+		.substring(6)
+		.toLowerCase()
+		.replace(/_([a-z])/g, (_, k) => {
+			return k.toUpperCase();
+		});
+
+	// Coerce string value into JS value
+	let val = process.env[key];
+	if (/^(yes|on|true|enabled)$/i.test(val)) {
+		val = true;
+	} else if (/^(no|off|false|disabled)$/i.test(val)) {
+		val = false;
+	} else if (val === 'null') {
+		val = null;
+	} else {
+		val = Number(val);
+	}
+
+	obj[prop] = val;
+	return obj;
+}, {});
+
+/**
+ * Is stdout a TTY? Colored output is enabled when `true`.
+ */
+
+function useColors() {
+	return 'colors' in exports.inspectOpts ?
+		Boolean(exports.inspectOpts.colors) :
+		tty.isatty(process.stderr.fd);
+}
+
+/**
+ * Adds ANSI color escape codes if enabled.
+ *
+ * @api public
+ */
+
+function formatArgs(args) {
+	const {namespace: name, useColors} = this;
+
+	if (useColors) {
+		const c = this.color;
+		const colorCode = '\u001B[3' + (c < 8 ? c : '8;5;' + c);
+		const prefix = `  ${colorCode};1m${name} \u001B[0m`;
+
+		args[0] = prefix + args[0].split('\n').join('\n' + prefix);
+		args.push(colorCode + 'm+' + module.exports.humanize(this.diff) + '\u001B[0m');
+	} else {
+		args[0] = getDate() + name + ' ' + args[0];
+	}
+}
+
+function getDate() {
+	if (exports.inspectOpts.hideDate) {
+		return '';
+	}
+	return new Date().toISOString() + ' ';
+}
+
+/**
+ * Invokes `util.format()` with the specified arguments and writes to stderr.
+ */
+
+function log(...args) {
+	return process.stderr.write(util.format(...args) + '\n');
+}
+
+/**
+ * Save `namespaces`.
+ *
+ * @param {String} namespaces
+ * @api private
+ */
+function save(namespaces) {
+	if (namespaces) {
+		process.env.DEBUG = namespaces;
+	} else {
+		// If you set a process.env field to null or undefined, it gets cast to the
+		// string 'null' or 'undefined'. Just delete instead.
+		delete process.env.DEBUG;
+	}
+}
+
+/**
+ * Load `namespaces`.
+ *
+ * @return {String} returns the previously persisted debug modes
+ * @api private
+ */
+
+function load() {
+	return process.env.DEBUG;
+}
+
+/**
+ * Init logic for `debug` instances.
+ *
+ * Create a new `inspectOpts` object in case `useColors` is set
+ * differently for a particular `debug` instance.
+ */
+
+function init(debug) {
+	debug.inspectOpts = {};
+
+	const keys = Object.keys(exports.inspectOpts);
+	for (let i = 0; i < keys.length; i++) {
+		debug.inspectOpts[keys[i]] = exports.inspectOpts[keys[i]];
+	}
+}
+
+module.exports = require('./common')(exports);
+
+const {formatters} = module.exports;
+
+/**
+ * Map %o to `util.inspect()`, all on a single line.
+ */
+
+formatters.o = function (v) {
+	this.inspectOpts.colors = this.useColors;
+	return util.inspect(v, this.inspectOpts)
+		.split('\n')
+		.map(str => str.trim())
+		.join(' ');
+};
+
+/**
+ * Map %O to `util.inspect()`, allowing multiple lines if needed.
+ */
+
+formatters.O = function (v) {
+	this.inspectOpts.colors = this.useColors;
+	return util.inspect(v, this.inspectOpts);
+};
diff --git a/node_modules/mquery/node_modules/ms/index.js b/node_modules/mquery/node_modules/ms/index.js
new file mode 100644
index 000000000..c4498bcc2
--- /dev/null
+++ b/node_modules/mquery/node_modules/ms/index.js
@@ -0,0 +1,162 @@
+/**
+ * Helpers.
+ */
+
+var s = 1000;
+var m = s * 60;
+var h = m * 60;
+var d = h * 24;
+var w = d * 7;
+var y = d * 365.25;
+
+/**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @param {String|Number} val
+ * @param {Object} [options]
+ * @throws {Error} throw an error if val is not a non-empty string or a number
+ * @return {String|Number}
+ * @api public
+ */
+
+module.exports = function(val, options) {
+  options = options || {};
+  var type = typeof val;
+  if (type === 'string' && val.length > 0) {
+    return parse(val);
+  } else if (type === 'number' && isFinite(val)) {
+    return options.long ? fmtLong(val) : fmtShort(val);
+  }
+  throw new Error(
+    'val is not a non-empty string or a valid number. val=' +
+      JSON.stringify(val)
+  );
+};
+
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @param {String} str
+ * @return {Number}
+ * @api private
+ */
+
+function parse(str) {
+  str = String(str);
+  if (str.length > 100) {
+    return;
+  }
+  var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(
+    str
+  );
+  if (!match) {
+    return;
+  }
+  var n = parseFloat(match[1]);
+  var type = (match[2] || 'ms').toLowerCase();
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'yrs':
+    case 'yr':
+    case 'y':
+      return n * y;
+    case 'weeks':
+    case 'week':
+    case 'w':
+      return n * w;
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d;
+    case 'hours':
+    case 'hour':
+    case 'hrs':
+    case 'hr':
+    case 'h':
+      return n * h;
+    case 'minutes':
+    case 'minute':
+    case 'mins':
+    case 'min':
+    case 'm':
+      return n * m;
+    case 'seconds':
+    case 'second':
+    case 'secs':
+    case 'sec':
+    case 's':
+      return n * s;
+    case 'milliseconds':
+    case 'millisecond':
+    case 'msecs':
+    case 'msec':
+    case 'ms':
+      return n;
+    default:
+      return undefined;
+  }
+}
+
+/**
+ * Short format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtShort(ms) {
+  var msAbs = Math.abs(ms);
+  if (msAbs >= d) {
+    return Math.round(ms / d) + 'd';
+  }
+  if (msAbs >= h) {
+    return Math.round(ms / h) + 'h';
+  }
+  if (msAbs >= m) {
+    return Math.round(ms / m) + 'm';
+  }
+  if (msAbs >= s) {
+    return Math.round(ms / s) + 's';
+  }
+  return ms + 'ms';
+}
+
+/**
+ * Long format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtLong(ms) {
+  var msAbs = Math.abs(ms);
+  if (msAbs >= d) {
+    return plural(ms, msAbs, d, 'day');
+  }
+  if (msAbs >= h) {
+    return plural(ms, msAbs, h, 'hour');
+  }
+  if (msAbs >= m) {
+    return plural(ms, msAbs, m, 'minute');
+  }
+  if (msAbs >= s) {
+    return plural(ms, msAbs, s, 'second');
+  }
+  return ms + ' ms';
+}
+
+/**
+ * Pluralization helper.
+ */
+
+function plural(ms, msAbs, n, name) {
+  var isPlural = msAbs >= n * 1.5;
+  return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
+}
diff --git a/node_modules/mquery/node_modules/ms/license.md b/node_modules/mquery/node_modules/ms/license.md
new file mode 100644
index 000000000..69b61253a
--- /dev/null
+++ b/node_modules/mquery/node_modules/ms/license.md
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Zeit, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/mquery/node_modules/ms/package.json b/node_modules/mquery/node_modules/ms/package.json
new file mode 100644
index 000000000..eea666e1f
--- /dev/null
+++ b/node_modules/mquery/node_modules/ms/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "ms",
+  "version": "2.1.2",
+  "description": "Tiny millisecond conversion utility",
+  "repository": "zeit/ms",
+  "main": "./index",
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "precommit": "lint-staged",
+    "lint": "eslint lib/* bin/*",
+    "test": "mocha tests.js"
+  },
+  "eslintConfig": {
+    "extends": "eslint:recommended",
+    "env": {
+      "node": true,
+      "es6": true
+    }
+  },
+  "lint-staged": {
+    "*.js": [
+      "npm run lint",
+      "prettier --single-quote --write",
+      "git add"
+    ]
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "eslint": "4.12.1",
+    "expect.js": "0.3.1",
+    "husky": "0.14.3",
+    "lint-staged": "5.0.0",
+    "mocha": "4.0.1"
+  }
+}
diff --git a/node_modules/mquery/node_modules/ms/readme.md b/node_modules/mquery/node_modules/ms/readme.md
new file mode 100644
index 000000000..9a1996b17
--- /dev/null
+++ b/node_modules/mquery/node_modules/ms/readme.md
@@ -0,0 +1,60 @@
+# ms
+
+[![Build Status](https://travis-ci.org/zeit/ms.svg?branch=master)](https://travis-ci.org/zeit/ms)
+[![Join the community on Spectrum](https://withspectrum.github.io/badge/badge.svg)](https://spectrum.chat/zeit)
+
+Use this package to easily convert various time formats to milliseconds.
+
+## Examples
+
+```js
+ms('2 days')  // 172800000
+ms('1d')      // 86400000
+ms('10h')     // 36000000
+ms('2.5 hrs') // 9000000
+ms('2h')      // 7200000
+ms('1m')      // 60000
+ms('5s')      // 5000
+ms('1y')      // 31557600000
+ms('100')     // 100
+ms('-3 days') // -259200000
+ms('-1h')     // -3600000
+ms('-200')    // -200
+```
+
+### Convert from Milliseconds
+
+```js
+ms(60000)             // "1m"
+ms(2 * 60000)         // "2m"
+ms(-3 * 60000)        // "-3m"
+ms(ms('10 hours'))    // "10h"
+```
+
+### Time Format Written-Out
+
+```js
+ms(60000, { long: true })             // "1 minute"
+ms(2 * 60000, { long: true })         // "2 minutes"
+ms(-3 * 60000, { long: true })        // "-3 minutes"
+ms(ms('10 hours'), { long: true })    // "10 hours"
+```
+
+## Features
+
+- Works both in [Node.js](https://nodejs.org) and in the browser
+- If a number is supplied to `ms`, a string with a unit is returned
+- If a string that contains the number is supplied, it returns it as a number (e.g.: it returns `100` for `'100'`)
+- If you pass a string with a number and a valid unit, the number of equivalent milliseconds is returned
+
+## Related Packages
+
+- [ms.macro](https://github.com/knpwrs/ms.macro) - Run `ms` as a macro at build-time.
+
+## Caught a Bug?
+
+1. [Fork](https://help.github.com/articles/fork-a-repo/) this repository to your own GitHub account and then [clone](https://help.github.com/articles/cloning-a-repository/) it to your local device
+2. Link the package to the global module directory: `npm link`
+3. Within the module you want to test your local development instance of ms, just link it to the dependencies: `npm link ms`. Instead of the default one from npm, Node.js will now use your clone of ms!
+
+As always, you can run the tests using: `npm test`
diff --git a/node_modules/mquery/package.json b/node_modules/mquery/package.json
new file mode 100644
index 000000000..bf1cba187
--- /dev/null
+++ b/node_modules/mquery/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "mquery",
+  "version": "4.0.3",
+  "description": "Expressive query building for MongoDB",
+  "main": "lib/mquery.js",
+  "scripts": {
+    "test": "mocha test/index.js test/*.test.js",
+    "fix-lint": "eslint . --fix",
+    "lint": "eslint ."
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/aheckmann/mquery.git"
+  },
+  "engines": {
+    "node": ">=12.0.0"
+  },
+  "dependencies": {
+    "debug": "4.x"
+  },
+  "devDependencies": {
+    "eslint": "8.x",
+    "eslint-plugin-mocha-no-only": "1.1.1",
+    "mocha": "9.x",
+    "mongodb": "4.x"
+  },
+  "bugs": {
+    "url": "https://github.com/aheckmann/mquery/issues/new"
+  },
+  "author": "Aaron Heckmann <aaron.heckmann+github@gmail.com>",
+  "license": "MIT",
+  "keywords": [
+    "mongodb",
+    "query",
+    "builder"
+  ],
+  "homepage": "https://github.com/aheckmann/mquery/"
+}
diff --git a/node_modules/mquery/test/.eslintrc.yml b/node_modules/mquery/test/.eslintrc.yml
new file mode 100644
index 000000000..7e104dbcf
--- /dev/null
+++ b/node_modules/mquery/test/.eslintrc.yml
@@ -0,0 +1,2 @@
+env:
+  mocha: true
\ No newline at end of file
diff --git a/node_modules/mquery/test/collection/browser.js b/node_modules/mquery/test/collection/browser.js
new file mode 100644
index 000000000..e69de29bb
diff --git a/node_modules/mquery/test/collection/mongo.js b/node_modules/mquery/test/collection/mongo.js
new file mode 100644
index 000000000..e69de29bb
diff --git a/node_modules/mquery/test/collection/node.js b/node_modules/mquery/test/collection/node.js
new file mode 100644
index 000000000..a5eb875e6
--- /dev/null
+++ b/node_modules/mquery/test/collection/node.js
@@ -0,0 +1,29 @@
+'use strict';
+
+const assert = require('assert');
+const mongo = require('mongodb');
+
+const uri = process.env.MQUERY_URI || 'mongodb://localhost/mquery';
+let client;
+let db;
+
+exports.getCollection = function(cb) {
+  mongo.MongoClient.connect(uri, function(err, _client) {
+    assert.ifError(err);
+    client = _client;
+    db = client.db();
+
+    const collection = db.collection('stuff');
+
+    // clean test db before starting
+    db.dropDatabase(function() {
+      cb(null, collection);
+    });
+  });
+};
+
+exports.dropCollection = function(cb) {
+  db.dropDatabase(function() {
+    client.close(cb);
+  });
+};
diff --git a/node_modules/mquery/test/env.js b/node_modules/mquery/test/env.js
new file mode 100644
index 000000000..0bf8cf9ed
--- /dev/null
+++ b/node_modules/mquery/test/env.js
@@ -0,0 +1,22 @@
+'use strict';
+
+const env = require('../').env;
+
+console.log('environment: %s', env.type);
+
+let col;
+switch (env.type) {
+  case 'node':
+    col = require('./collection/node');
+    break;
+  case 'mongo':
+    col = require('./collection/mongo');
+    break;
+  case 'browser':
+    col = require('./collection/browser');
+    break;
+  default:
+    throw new Error('missing collection implementation for environment: ' + env.type);
+}
+
+module.exports = exports = col;
diff --git a/node_modules/mquery/test/index.js b/node_modules/mquery/test/index.js
new file mode 100644
index 000000000..751433cd2
--- /dev/null
+++ b/node_modules/mquery/test/index.js
@@ -0,0 +1,2925 @@
+'use strict';
+
+const mquery = require('../');
+const assert = require('assert');
+
+describe('mquery', function() {
+  let col;
+
+  before(function(done) {
+    // get the env specific collection interface
+    require('./env').getCollection(function(err, collection) {
+      assert.ifError(err);
+      col = collection;
+      done();
+    });
+  });
+
+  after(function(done) {
+    require('./env').dropCollection(done);
+  });
+
+  describe('mquery', function() {
+    it('is a function', function() {
+      assert.equal('function', typeof mquery);
+    });
+    it('creates instances with the `new` keyword', function() {
+      assert.ok(mquery() instanceof mquery);
+    });
+    describe('defaults', function() {
+      it('are set', function() {
+        const m = mquery();
+        assert.strictEqual(undefined, m.op);
+        assert.deepEqual({}, m.options);
+      });
+    });
+    describe('criteria', function() {
+      it('if collection-like is used as collection', function() {
+        const m = mquery(col);
+        assert.equal(col, m._collection.collection);
+      });
+      it('non-collection-like is used as criteria', function() {
+        const m = mquery({ works: true });
+        assert.ok(!m._collection);
+        assert.deepEqual({ works: true }, m._conditions);
+      });
+    });
+    describe('options', function() {
+      it('are merged when passed', function() {
+        let m;
+        m = mquery(col, { w: 'majority' });
+        assert.deepEqual({ w: 'majority' }, m.options);
+        m = mquery({ name: 'mquery' }, { w: 'majority' });
+        assert.deepEqual({ w: 'majority' }, m.options);
+      });
+    });
+  });
+
+  describe('toConstructor', function() {
+    it('creates subclasses of mquery', function() {
+      const opts = { safe: { w: 'majority' }, readPreference: 'p' };
+      const match = { name: 'test', count: { $gt: 101 } };
+      const select = { name: 1, count: 0 };
+      const update = { $set: { x: true } };
+      const path = 'street';
+
+      const q = mquery().setOptions(opts);
+      q.where(match);
+      q.select(select);
+      q.updateOne(update);
+      q.where(path);
+      q.find();
+
+      const M = q.toConstructor();
+      const m = M();
+
+      assert.ok(m instanceof mquery);
+      assert.deepEqual(opts, m.options);
+      assert.deepEqual(match, m._conditions);
+      assert.deepEqual(select, m._fields);
+      assert.deepEqual(update, m._update);
+      assert.equal(path, m._path);
+      assert.equal('find', m.op);
+    });
+  });
+
+  describe('setOptions', function() {
+    it('calls associated methods', function() {
+      const m = mquery();
+      assert.equal(m._collection, null);
+      m.setOptions({ collection: col });
+      assert.equal(m._collection.collection, col);
+    });
+    it('directly sets option when no method exists', function() {
+      const m = mquery();
+      assert.equal(m.options.woot, null);
+      m.setOptions({ woot: 'yay' });
+      assert.equal(m.options.woot, 'yay');
+    });
+    it('is chainable', function() {
+      const m = mquery();
+      let n;
+
+      n = m.setOptions();
+      assert.equal(m, n);
+      n = m.setOptions({ x: 1 });
+      assert.equal(m, n);
+    });
+  });
+
+  describe('collection', function() {
+    it('sets the _collection', function() {
+      const m = mquery();
+      m.collection(col);
+      assert.equal(m._collection.collection, col);
+    });
+    it('is chainable', function() {
+      const m = mquery();
+      const n = m.collection(col);
+      assert.equal(m, n);
+    });
+  });
+
+  describe('$where', function() {
+    it('sets the $where condition', function() {
+      const m = mquery();
+      function go() {}
+      m.$where(go);
+      assert.ok(go === m._conditions.$where);
+    });
+    it('is chainable', function() {
+      const m = mquery();
+      const n = m.$where('x');
+      assert.equal(m, n);
+    });
+  });
+
+  describe('where', function() {
+    it('without arguments', function() {
+      const m = mquery();
+      m.where();
+      assert.deepEqual({}, m._conditions);
+    });
+    it('with non-string/object argument', function() {
+      const m = mquery();
+
+      assert.throws(function() {
+        m.where([]);
+      }, /path must be a string or object/);
+    });
+    describe('with one argument', function() {
+      it('that is an object', function() {
+        const m = mquery();
+        m.where({ name: 'flawed' });
+        assert.strictEqual(m._conditions.name, 'flawed');
+      });
+      it('that is a query', function() {
+        const m = mquery({ name: 'first' });
+        const n = mquery({ name: 'changed' });
+        m.where(n);
+        assert.strictEqual(m._conditions.name, 'changed');
+      });
+      it('that is a string', function() {
+        const m = mquery();
+        m.where('name');
+        assert.equal('name', m._path);
+        assert.strictEqual(m._conditions.name, undefined);
+      });
+    });
+    it('with two arguments', function() {
+      const m = mquery();
+      m.where('name', 'The Great Pumpkin');
+      assert.equal('name', m._path);
+      assert.strictEqual(m._conditions.name, 'The Great Pumpkin');
+    });
+    it('is chainable', function() {
+      const m = mquery();
+
+      let n = m.where('x', 'y');
+      assert.equal(m, n);
+      n = m.where();
+      assert.equal(m, n);
+    });
+  });
+  describe('equals', function() {
+    it('must be called after where()', function() {
+      const m = mquery();
+      assert.throws(function() {
+        m.equals();
+      }, /must be used after where/);
+    });
+    it('sets value of path set with where()', function() {
+      const m = mquery();
+      m.where('age').equals(1000);
+      assert.deepEqual({ age: 1000 }, m._conditions);
+    });
+    it('is chainable', function() {
+      const m = mquery();
+      const n = m.where('x').equals(3);
+      assert.equal(m, n);
+    });
+  });
+  describe('eq', function() {
+    it('is alias of equals', function() {
+      const m = mquery();
+      m.where('age').eq(1000);
+      assert.deepEqual({ age: 1000 }, m._conditions);
+    });
+  });
+  describe('or', function() {
+    it('pushes onto the internal $or condition', function() {
+      const m = mquery();
+      m.or({ 'Nightmare Before Christmas': true });
+      assert.deepEqual([{ 'Nightmare Before Christmas': true }], m._conditions.$or);
+    });
+    it('allows passing arrays', function() {
+      const m = mquery();
+      const arg = [{ 'Nightmare Before Christmas': true }, { x: 1 }];
+      m.or(arg);
+      assert.deepEqual(arg, m._conditions.$or);
+    });
+    it('allows calling multiple times', function() {
+      const m = mquery();
+      const arg = [{ looper: true }, { x: 1 }];
+      m.or(arg);
+      m.or({ y: 1 });
+      m.or([{ w: 'oo' }, { z: 'oo' }]);
+      assert.deepEqual([{ looper: true }, { x: 1 }, { y: 1 }, { w: 'oo' }, { z: 'oo' }], m._conditions.$or);
+    });
+    it('is chainable', function() {
+      const m = mquery();
+      m.or({ o: 'k' }).where('name', 'table');
+      assert.deepEqual({ name: 'table', $or: [{ o: 'k' }] }, m._conditions);
+    });
+  });
+
+  describe('nor', function() {
+    it('pushes onto the internal $nor condition', function() {
+      const m = mquery();
+      m.nor({ 'Nightmare Before Christmas': true });
+      assert.deepEqual([{ 'Nightmare Before Christmas': true }], m._conditions.$nor);
+    });
+    it('allows passing arrays', function() {
+      const m = mquery();
+      const arg = [{ 'Nightmare Before Christmas': true }, { x: 1 }];
+      m.nor(arg);
+      assert.deepEqual(arg, m._conditions.$nor);
+    });
+    it('allows calling multiple times', function() {
+      const m = mquery();
+      const arg = [{ looper: true }, { x: 1 }];
+      m.nor(arg);
+      m.nor({ y: 1 });
+      m.nor([{ w: 'oo' }, { z: 'oo' }]);
+      assert.deepEqual([{ looper: true }, { x: 1 }, { y: 1 }, { w: 'oo' }, { z: 'oo' }], m._conditions.$nor);
+    });
+    it('is chainable', function() {
+      const m = mquery();
+      m.nor({ o: 'k' }).where('name', 'table');
+      assert.deepEqual({ name: 'table', $nor: [{ o: 'k' }] }, m._conditions);
+    });
+  });
+
+  describe('and', function() {
+    it('pushes onto the internal $and condition', function() {
+      const m = mquery();
+      m.and({ 'Nightmare Before Christmas': true });
+      assert.deepEqual([{ 'Nightmare Before Christmas': true }], m._conditions.$and);
+    });
+    it('allows passing arrays', function() {
+      const m = mquery();
+      const arg = [{ 'Nightmare Before Christmas': true }, { x: 1 }];
+      m.and(arg);
+      assert.deepEqual(arg, m._conditions.$and);
+    });
+    it('allows calling multiple times', function() {
+      const m = mquery();
+      const arg = [{ looper: true }, { x: 1 }];
+      m.and(arg);
+      m.and({ y: 1 });
+      m.and([{ w: 'oo' }, { z: 'oo' }]);
+      assert.deepEqual([{ looper: true }, { x: 1 }, { y: 1 }, { w: 'oo' }, { z: 'oo' }], m._conditions.$and);
+    });
+    it('is chainable', function() {
+      const m = mquery();
+      m.and({ o: 'k' }).where('name', 'table');
+      assert.deepEqual({ name: 'table', $and: [{ o: 'k' }] }, m._conditions);
+    });
+  });
+
+  function generalCondition(type) {
+    return function() {
+      it('accepts 2 args', function() {
+        const m = mquery()[type]('count', 3);
+        const check = {};
+        check['$' + type] = 3;
+        assert.deepEqual(m._conditions.count, check);
+      });
+      it('uses previously set `where` path if 1 arg passed', function() {
+        const m = mquery().where('count')[type](3);
+        const check = {};
+        check['$' + type] = 3;
+        assert.deepEqual(m._conditions.count, check);
+      });
+      it('throws if 1 arg was passed but no previous `where` was used', function() {
+        assert.throws(function() {
+          mquery()[type](3);
+        }, /must be used after where/);
+      });
+      it('is chainable', function() {
+        const m = mquery().where('count')[type](3).where('x', 8);
+        const check = { x: 8, count: {} };
+        check.count['$' + type] = 3;
+        assert.deepEqual(m._conditions, check);
+      });
+      it('overwrites previous value', function() {
+        const m = mquery().where('count')[type](3)[type](8);
+        const check = {};
+        check['$' + type] = 8;
+        assert.deepEqual(m._conditions.count, check);
+      });
+    };
+  }
+
+  'gt gte lt lte ne in nin regex size maxDistance minDistance'.split(' ').forEach(function(type) {
+    describe(type, generalCondition(type));
+  });
+
+  describe('mod', function() {
+    describe('with 1 argument', function() {
+      it('requires a previous where()', function() {
+        assert.throws(function() {
+          mquery().mod([30, 10]);
+        }, /must be used after where/);
+      });
+      it('works', function() {
+        const m = mquery().where('madmen').mod([10, 20]);
+        assert.deepEqual(m._conditions, { madmen: { $mod: [10, 20] } });
+      });
+    });
+
+    describe('with 2 arguments and second is non-Array', function() {
+      it('requires a previous where()', function() {
+        assert.throws(function() {
+          mquery().mod('x', 10);
+        }, /must be used after where/);
+      });
+      it('works', function() {
+        const m = mquery().where('madmen').mod(10, 20);
+        assert.deepEqual(m._conditions, { madmen: { $mod: [10, 20] } });
+      });
+    });
+
+    it('with 2 arguments and second is an array', function() {
+      const m = mquery().mod('madmen', [10, 20]);
+      assert.deepEqual(m._conditions, { madmen: { $mod: [10, 20] } });
+    });
+
+    it('with 3 arguments', function() {
+      const m = mquery().mod('madmen', 10, 20);
+      assert.deepEqual(m._conditions, { madmen: { $mod: [10, 20] } });
+    });
+
+    it('is chainable', function() {
+      const m = mquery().mod('madmen', 10, 20).where('x', 8);
+      const check = { madmen: { $mod: [10, 20] }, x: 8 };
+      assert.deepEqual(m._conditions, check);
+    });
+  });
+
+  describe('exists', function() {
+    it('with 0 args', function() {
+      it('throws if not used after where()', function() {
+        assert.throws(function() {
+          mquery().exists();
+        }, /must be used after where/);
+      });
+      it('works', function() {
+        const m = mquery().where('name').exists();
+        const check = { name: { $exists: true } };
+        assert.deepEqual(m._conditions, check);
+      });
+    });
+
+    describe('with 1 arg', function() {
+      describe('that is boolean', function() {
+        it('throws if not used after where()', function() {
+          assert.throws(function() {
+            mquery().exists();
+          }, /must be used after where/);
+        });
+        it('works', function() {
+          const m = mquery().exists('name', false);
+          const check = { name: { $exists: false } };
+          assert.deepEqual(m._conditions, check);
+        });
+      });
+      describe('that is not boolean', function() {
+        it('sets the value to `true`', function() {
+          const m = mquery().where('name').exists('yummy');
+          const check = { yummy: { $exists: true } };
+          assert.deepEqual(m._conditions, check);
+        });
+      });
+    });
+
+    describe('with 2 args', function() {
+      it('works', function() {
+        const m = mquery().exists('yummy', false);
+        const check = { yummy: { $exists: false } };
+        assert.deepEqual(m._conditions, check);
+      });
+    });
+
+    it('is chainable', function() {
+      const m = mquery().where('name').exists().find({ x: 1 });
+      const check = { name: { $exists: true }, x: 1 };
+      assert.deepEqual(m._conditions, check);
+    });
+  });
+
+  describe('elemMatch', function() {
+    describe('with null/undefined first argument', function() {
+      assert.throws(function() {
+        mquery().elemMatch();
+      }, /Invalid argument/);
+      assert.throws(function() {
+        mquery().elemMatch(null);
+      }, /Invalid argument/);
+      assert.doesNotThrow(function() {
+        mquery().elemMatch('', {});
+      });
+    });
+
+    describe('with 1 argument', function() {
+      it('throws if not a function or object', function() {
+        assert.throws(function() {
+          mquery().elemMatch([]);
+        }, /Invalid argument/);
+      });
+
+      describe('that is an object', function() {
+        it('throws if no previous `where` was used', function() {
+          assert.throws(function() {
+            mquery().elemMatch({});
+          }, /must be used after where/);
+        });
+        it('works', function() {
+          const m = mquery().where('comment').elemMatch({ author: 'joe', votes: { $gte: 3 } });
+          assert.deepEqual({ comment: { $elemMatch: { author: 'joe', votes: { $gte: 3 } } } }, m._conditions);
+        });
+      });
+      describe('that is a function', function() {
+        it('throws if no previous `where` was used', function() {
+          assert.throws(function() {
+            mquery().elemMatch(function() {});
+          }, /must be used after where/);
+        });
+        it('works', function() {
+          const m = mquery().where('comment').elemMatch(function(query) {
+            query.where({ author: 'joe', votes: { $gte: 3 } });
+          });
+          assert.deepEqual({ comment: { $elemMatch: { author: 'joe', votes: { $gte: 3 } } } }, m._conditions);
+        });
+      });
+    });
+
+    describe('with 2 arguments', function() {
+      describe('and the 2nd is an object', function() {
+        it('works', function() {
+          const m = mquery().elemMatch('comment', { author: 'joe', votes: { $gte: 3 } });
+          assert.deepEqual({ comment: { $elemMatch: { author: 'joe', votes: { $gte: 3 } } } }, m._conditions);
+        });
+      });
+      describe('and the 2nd is a function', function() {
+        it('works', function() {
+          const m = mquery().elemMatch('comment', function(query) {
+            query.where({ author: 'joe', votes: { $gte: 3 } });
+          });
+          assert.deepEqual({ comment: { $elemMatch: { author: 'joe', votes: { $gte: 3 } } } }, m._conditions);
+        });
+      });
+      it('and the 2nd is not a function or object', function() {
+        assert.throws(function() {
+          mquery().elemMatch('comment', []);
+        }, /Invalid argument/);
+      });
+    });
+  });
+
+  describe('within', function() {
+    it('is chainable', function() {
+      const m = mquery();
+      assert.equal(m.where('a').within(), m);
+    });
+    describe('when called with arguments', function() {
+      it('must follow where()', function() {
+        assert.throws(function() {
+          mquery().within([]);
+        }, /must be used after where/);
+      });
+
+      describe('of length 1', function() {
+        it('throws if not a recognized shape', function() {
+          assert.throws(function() {
+            mquery().where('loc').within({});
+          }, /Invalid argument/);
+          assert.throws(function() {
+            mquery().where('loc').within(null);
+          }, /Invalid argument/);
+        });
+        it('delegates to circle when center exists', function() {
+          const m = mquery().where('loc').within({ center: [10, 10], radius: 3 });
+          assert.deepEqual({ $geoWithin: { $center: [[10, 10], 3] } }, m._conditions.loc);
+        });
+        it('delegates to box when exists', function() {
+          const m = mquery().where('loc').within({ box: [[10, 10], [11, 14]] });
+          assert.deepEqual({ $geoWithin: { $box: [[10, 10], [11, 14]] } }, m._conditions.loc);
+        });
+        it('delegates to polygon when exists', function() {
+          const m = mquery().where('loc').within({ polygon: [[10, 10], [11, 14], [10, 9]] });
+          assert.deepEqual({ $geoWithin: { $polygon: [[10, 10], [11, 14], [10, 9]] } }, m._conditions.loc);
+        });
+        it('delegates to geometry when exists', function() {
+          const m = mquery().where('loc').within({ type: 'Polygon', coordinates: [[10, 10], [11, 14], [10, 9]] });
+          assert.deepEqual({ $geoWithin: { $geometry: { type: 'Polygon', coordinates: [[10, 10], [11, 14], [10, 9]] } } }, m._conditions.loc);
+        });
+      });
+
+      describe('of length 2', function() {
+        it('delegates to box()', function() {
+          const m = mquery().where('loc').within([1, 2], [2, 5]);
+          assert.deepEqual(m._conditions.loc, { $geoWithin: { $box: [[1, 2], [2, 5]] } });
+        });
+      });
+
+      describe('of length > 2', function() {
+        it('delegates to polygon()', function() {
+          const m = mquery().where('loc').within([1, 2], [2, 5], [2, 4], [1, 3]);
+          assert.deepEqual(m._conditions.loc, { $geoWithin: { $polygon: [[1, 2], [2, 5], [2, 4], [1, 3]] } });
+        });
+      });
+    });
+  });
+
+  describe('geoWithin', function() {
+    before(function() {
+      mquery.use$geoWithin = false;
+    });
+    after(function() {
+      mquery.use$geoWithin = true;
+    });
+    describe('when called with arguments', function() {
+      describe('of length 1', function() {
+        it('delegates to circle when center exists', function() {
+          const m = mquery().where('loc').within({ center: [10, 10], radius: 3 });
+          assert.deepEqual({ $within: { $center: [[10, 10], 3] } }, m._conditions.loc);
+        });
+        it('delegates to box when exists', function() {
+          const m = mquery().where('loc').within({ box: [[10, 10], [11, 14]] });
+          assert.deepEqual({ $within: { $box: [[10, 10], [11, 14]] } }, m._conditions.loc);
+        });
+        it('delegates to polygon when exists', function() {
+          const m = mquery().where('loc').within({ polygon: [[10, 10], [11, 14], [10, 9]] });
+          assert.deepEqual({ $within: { $polygon: [[10, 10], [11, 14], [10, 9]] } }, m._conditions.loc);
+        });
+        it('delegates to geometry when exists', function() {
+          const m = mquery().where('loc').within({ type: 'Polygon', coordinates: [[10, 10], [11, 14], [10, 9]] });
+          assert.deepEqual({ $within: { $geometry: { type: 'Polygon', coordinates: [[10, 10], [11, 14], [10, 9]] } } }, m._conditions.loc);
+        });
+      });
+
+      describe('of length 2', function() {
+        it('delegates to box()', function() {
+          const m = mquery().where('loc').within([1, 2], [2, 5]);
+          assert.deepEqual(m._conditions.loc, { $within: { $box: [[1, 2], [2, 5]] } });
+        });
+      });
+
+      describe('of length > 2', function() {
+        it('delegates to polygon()', function() {
+          const m = mquery().where('loc').within([1, 2], [2, 5], [2, 4], [1, 3]);
+          assert.deepEqual(m._conditions.loc, { $within: { $polygon: [[1, 2], [2, 5], [2, 4], [1, 3]] } });
+        });
+      });
+    });
+  });
+
+  describe('box', function() {
+    describe('with 1 argument', function() {
+      it('throws', function() {
+        assert.throws(function() {
+          mquery().box('sometihng');
+        }, /Invalid argument/);
+      });
+    });
+    describe('with > 3 arguments', function() {
+      it('throws', function() {
+        assert.throws(function() {
+          mquery().box(1, 2, 3, 4);
+        }, /Invalid argument/);
+      });
+    });
+
+    describe('with 2 arguments', function() {
+      it('throws if not used after where()', function() {
+        assert.throws(function() {
+          mquery().box([], []);
+        }, /must be used after where/);
+      });
+      it('works', function() {
+        const m = mquery().where('loc').box([1, 2], [3, 4]);
+        assert.deepEqual(m._conditions.loc, { $geoWithin: { $box: [[1, 2], [3, 4]] } });
+      });
+    });
+
+    describe('with 3 arguments', function() {
+      it('works', function() {
+        const m = mquery().box('loc', [1, 2], [3, 4]);
+        assert.deepEqual(m._conditions.loc, { $geoWithin: { $box: [[1, 2], [3, 4]] } });
+      });
+    });
+  });
+
+  describe('polygon', function() {
+    describe('when first argument is not a string', function() {
+      it('throws if not used after where()', function() {
+        assert.throws(function() {
+          mquery().polygon({});
+        }, /must be used after where/);
+
+        assert.doesNotThrow(function() {
+          mquery().where('loc').polygon([1, 2], [2, 3], [3, 6]);
+        });
+      });
+
+      it('assigns arguments to within polygon condition', function() {
+        const m = mquery().where('loc').polygon([1, 2], [2, 3], [3, 6]);
+        assert.deepEqual(m._conditions, { loc: { $geoWithin: { $polygon: [[1, 2], [2, 3], [3, 6]] } } });
+      });
+    });
+
+    describe('when first arg is a string', function() {
+      it('assigns remaining arguments to within polygon condition', function() {
+        const m = mquery().polygon('loc', [1, 2], [2, 3], [3, 6]);
+        assert.deepEqual(m._conditions, { loc: { $geoWithin: { $polygon: [[1, 2], [2, 3], [3, 6]] } } });
+      });
+    });
+  });
+
+  describe('circle', function() {
+    describe('with one arg', function() {
+      it('must follow where()', function() {
+        assert.throws(function() {
+          mquery().circle('x');
+        }, /must be used after where/);
+        assert.doesNotThrow(function() {
+          mquery().where('loc').circle({ center: [0, 0], radius: 3 });
+        });
+      });
+      it('works', function() {
+        const m = mquery().where('loc').circle({ center: [0, 0], radius: 3 });
+        assert.deepEqual(m._conditions, { loc: { $geoWithin: { $center: [[0, 0], 3] } } });
+      });
+    });
+    describe('with 3 args', function() {
+      it('throws', function() {
+        assert.throws(function() {
+          mquery().where('loc').circle(1, 2, 3);
+        }, /Invalid argument/);
+      });
+    });
+    describe('requires radius and center', function() {
+      assert.throws(function() {
+        mquery().circle('loc', { center: 1 });
+      }, /center and radius are required/);
+      assert.throws(function() {
+        mquery().circle('loc', { radius: 1 });
+      }, /center and radius are required/);
+      assert.doesNotThrow(function() {
+        mquery().circle('loc', { center: [1, 2], radius: 1 });
+      });
+    });
+  });
+
+  describe('geometry', function() {
+    // within + intersects
+    const point = { type: 'Point', coordinates: [[0, 0], [1, 1]] };
+
+    it('must be called after within or intersects', function(done) {
+      assert.throws(function() {
+        mquery().where('a').geometry(point);
+      }, /must come after/);
+
+      assert.doesNotThrow(function() {
+        mquery().where('a').within().geometry(point);
+      });
+
+      assert.doesNotThrow(function() {
+        mquery().where('a').intersects().geometry(point);
+      });
+
+      done();
+    });
+
+    describe('when called with one argument', function() {
+      describe('after within()', function() {
+        it('and arg quacks like geoJSON', function(done) {
+          const m = mquery().where('a').within().geometry(point);
+          assert.deepEqual({ a: { $geoWithin: { $geometry: point } } }, m._conditions);
+          done();
+        });
+      });
+
+      describe('after intersects()', function() {
+        it('and arg quacks like geoJSON', function(done) {
+          const m = mquery().where('a').intersects().geometry(point);
+          assert.deepEqual({ a: { $geoIntersects: { $geometry: point } } }, m._conditions);
+          done();
+        });
+      });
+
+      it('and arg does not quack like geoJSON', function(done) {
+        assert.throws(function() {
+          mquery().where('b').within().geometry({ type: 1, coordinates: 2 });
+        }, /Invalid argument/);
+        done();
+      });
+    });
+
+    describe('when called with zero arguments', function() {
+      it('throws', function(done) {
+        assert.throws(function() {
+          mquery().where('a').within().geometry();
+        }, /Invalid argument/);
+
+        done();
+      });
+    });
+
+    describe('when called with more than one arguments', function() {
+      it('throws', function(done) {
+        assert.throws(function() {
+          mquery().where('a').within().geometry({ type: 'a', coordinates: [] }, 2);
+        }, /Invalid argument/);
+        done();
+      });
+    });
+  });
+
+  describe('intersects', function() {
+    it('must be used after where()', function(done) {
+      const m = mquery();
+      assert.throws(function() {
+        m.intersects();
+      }, /must be used after where/);
+      done();
+    });
+
+    it('sets geo comparison to "$intersects"', function(done) {
+      const n = mquery().where('a').intersects();
+      assert.equal('$geoIntersects', n._geoComparison);
+      done();
+    });
+
+    it('is chainable', function() {
+      const m = mquery();
+      assert.equal(m.where('a').intersects(), m);
+    });
+
+    it('calls geometry if argument quacks like geojson', function(done) {
+      const m = mquery();
+      const o = { type: 'LineString', coordinates: [[0, 1], [3, 40]] };
+      let ran = false;
+
+      m.geometry = function(arg) {
+        ran = true;
+        assert.deepEqual(o, arg);
+      };
+
+      m.where('a').intersects(o);
+      assert.ok(ran);
+
+      done();
+    });
+
+    it('throws if argument is not geometry-like', function(done) {
+      const m = mquery().where('a');
+
+      assert.throws(function() {
+        m.intersects(null);
+      }, /Invalid argument/);
+
+      assert.throws(function() {
+        m.intersects(undefined);
+      }, /Invalid argument/);
+
+      assert.throws(function() {
+        m.intersects(false);
+      }, /Invalid argument/);
+
+      assert.throws(function() {
+        m.intersects({});
+      }, /Invalid argument/);
+
+      assert.throws(function() {
+        m.intersects([]);
+      }, /Invalid argument/);
+
+      assert.throws(function() {
+        m.intersects(function() {});
+      }, /Invalid argument/);
+
+      assert.throws(function() {
+        m.intersects(NaN);
+      }, /Invalid argument/);
+
+      done();
+    });
+  });
+
+  describe('near', function() {
+    // near nearSphere
+    describe('with 0 args', function() {
+      it('is compatible with geometry()', function(done) {
+        const q = mquery().where('x').near().geometry({ type: 'Point', coordinates: [180, 11] });
+        assert.deepEqual({ $near: { $geometry: { type: 'Point', coordinates: [180, 11] } } }, q._conditions.x);
+        done();
+      });
+    });
+
+    describe('with 1 arg', function() {
+      it('throws if not used after where()', function() {
+        assert.throws(function() {
+          mquery().near(1);
+        }, /must be used after where/);
+      });
+      it('does not throw if used after where()', function() {
+        assert.doesNotThrow(function() {
+          mquery().where('loc').near({ center: [1, 1] });
+        });
+      });
+    });
+    describe('with > 2 args', function() {
+      it('throws', function() {
+        assert.throws(function() {
+          mquery().near(1, 2, 3);
+        }, /Invalid argument/);
+      });
+    });
+
+    it('creates $geometry args for GeoJSON', function() {
+      const m = mquery().where('loc').near({ center: { type: 'Point', coordinates: [10, 10] } });
+      assert.deepEqual({ $near: { $geometry: { type: 'Point', coordinates: [10, 10] } } }, m._conditions.loc);
+    });
+
+    it('expects `center`', function() {
+      assert.throws(function() {
+        mquery().near('loc', { maxDistance: 3 });
+      }, /center is required/);
+      assert.doesNotThrow(function() {
+        mquery().near('loc', { center: [3, 4] });
+      });
+    });
+
+    it('accepts spherical conditions', function() {
+      const m = mquery().where('loc').near({ center: [1, 2], spherical: true });
+      assert.deepEqual(m._conditions, { loc: { $nearSphere: [1, 2] } });
+    });
+
+    it('is non-spherical by default', function() {
+      const m = mquery().where('loc').near({ center: [1, 2] });
+      assert.deepEqual(m._conditions, { loc: { $near: [1, 2] } });
+    });
+
+    it('supports maxDistance', function() {
+      const m = mquery().where('loc').near({ center: [1, 2], maxDistance: 4 });
+      assert.deepEqual(m._conditions, { loc: { $near: [1, 2], $maxDistance: 4 } });
+    });
+
+    it('supports minDistance', function() {
+      const m = mquery().where('loc').near({ center: [1, 2], minDistance: 4 });
+      assert.deepEqual(m._conditions, { loc: { $near: [1, 2], $minDistance: 4 } });
+    });
+
+    it('is chainable', function() {
+      const m = mquery().where('loc').near({ center: [1, 2], maxDistance: 4 }).find({ x: 1 });
+      assert.deepEqual(m._conditions, { loc: { $near: [1, 2], $maxDistance: 4 }, x: 1 });
+    });
+
+    describe('supports passing GeoJSON, gh-13', function() {
+      it('with center', function() {
+        const m = mquery().where('loc').near({
+          center: { type: 'Point', coordinates: [1, 1] },
+          maxDistance: 2
+        });
+
+        const expect = {
+          loc: {
+            $near: {
+              $geometry: {
+                type: 'Point',
+                coordinates: [1, 1]
+              },
+              $maxDistance: 2
+            }
+          }
+        };
+
+        assert.deepEqual(m._conditions, expect);
+      });
+    });
+  });
+
+  // fields
+
+  describe('select', function() {
+    describe('with 0 args', function() {
+      it('is chainable', function() {
+        const m = mquery();
+        assert.equal(m, m.select());
+      });
+    });
+
+    it('accepts an object', function() {
+      const o = { x: 1, y: 1 };
+      const m = mquery().select(o);
+      assert.deepEqual(m._fields, o);
+    });
+
+    it('accepts a string', function() {
+      const o = 'x -y';
+      const m = mquery().select(o);
+      assert.deepEqual(m._fields, { x: 1, y: 0 });
+    });
+
+    it('does accept an array', function() {
+      const o = ['x', '-y'];
+      const m = mquery().select(o);
+      assert.deepEqual(m._fields, { x: 1, y: 0 });
+    });
+
+    it('merges previous arguments', function() {
+      const o = { x: 1, y: 0, a: 1 };
+      const m = mquery().select(o);
+      m.select('z -u w').select({ x: 0 });
+      assert.deepEqual(m._fields, {
+        x: 0,
+        y: 0,
+        z: 1,
+        u: 0,
+        w: 1,
+        a: 1
+      });
+    });
+
+    it('rejects non-string, object, arrays', function() {
+      assert.throws(function() {
+        mquery().select(function() {});
+      }, /Invalid select\(\) argument/);
+    });
+
+    it('accepts arguments objects', function() {
+      const m = mquery();
+      function t() {
+        m.select(arguments);
+        assert.deepEqual(m._fields, { x: 1, y: 0 });
+      }
+      t('x', '-y');
+    });
+
+    noDistinct('select');
+  });
+
+  describe('selected', function() {
+    it('returns true when fields have been selected', function(done) {
+      let m;
+
+      m = mquery().select({ name: 1 });
+      assert.ok(m.selected());
+
+      m = mquery().select('name');
+      assert.ok(m.selected());
+
+      done();
+    });
+
+    it('returns false when no fields have been selected', function(done) {
+      const m = mquery();
+      assert.strictEqual(false, m.selected());
+      done();
+    });
+  });
+
+  describe('selectedInclusively', function() {
+    describe('returns false', function() {
+      it('when no fields have been selected', function(done) {
+        assert.strictEqual(false, mquery().selectedInclusively());
+        assert.equal(false, mquery().select({}).selectedInclusively());
+        done();
+      });
+      it('when any fields have been excluded', function(done) {
+        assert.strictEqual(false, mquery().select('-name').selectedInclusively());
+        assert.strictEqual(false, mquery().select({ name: 0 }).selectedInclusively());
+        assert.strictEqual(false, mquery().select('name bio -_id').selectedInclusively());
+        assert.strictEqual(false, mquery().select({ name: 1, _id: 0 }).selectedInclusively());
+        done();
+      });
+      it('when using $meta', function(done) {
+        assert.strictEqual(false, mquery().select({ name: { $meta: 'textScore' } }).selectedInclusively());
+        done();
+      });
+    });
+
+    describe('returns true', function() {
+      it('when fields have been included', function(done) {
+        assert.equal(true, mquery().select('name').selectedInclusively());
+        assert.equal(true, mquery().select({ name: 1 }).selectedInclusively());
+        done();
+      });
+    });
+  });
+
+  describe('selectedExclusively', function() {
+    describe('returns false', function() {
+      it('when no fields have been selected', function(done) {
+        assert.equal(false, mquery().selectedExclusively());
+        assert.equal(false, mquery().select({}).selectedExclusively());
+        done();
+      });
+      it('when fields have only been included', function(done) {
+        assert.equal(false, mquery().select('name').selectedExclusively());
+        assert.equal(false, mquery().select({ name: 1 }).selectedExclusively());
+        done();
+      });
+    });
+
+    describe('returns true', function() {
+      it('when any field has been excluded', function(done) {
+        assert.equal(true, mquery().select('-name').selectedExclusively());
+        assert.equal(true, mquery().select({ name: 0 }).selectedExclusively());
+        assert.equal(true, mquery().select('-_id').selectedExclusively());
+        assert.strictEqual(true, mquery().select('name bio -_id').selectedExclusively());
+        assert.strictEqual(true, mquery().select({ name: 1, _id: 0 }).selectedExclusively());
+        done();
+      });
+    });
+  });
+
+  describe('slice', function() {
+    describe('with 0 args', function() {
+      it('is chainable', function() {
+        const m = mquery();
+        assert.equal(m, m.slice());
+      });
+      it('is a noop', function() {
+        const m = mquery().slice();
+        assert.deepEqual(m._fields, undefined);
+      });
+    });
+
+    describe('with 1 arg', function() {
+      it('throws if not called after where()', function() {
+        assert.throws(function() {
+          mquery().slice(1);
+        }, /must be used after where/);
+        assert.doesNotThrow(function() {
+          mquery().where('a').slice(1);
+        });
+      });
+      it('that is a number', function() {
+        const query = mquery();
+        query.where('collection').slice(5);
+        assert.deepEqual(query._fields, { collection: { $slice: 5 } });
+      });
+      it('that is an array', function() {
+        const query = mquery();
+        query.where('collection').slice([5, 10]);
+        assert.deepEqual(query._fields, { collection: { $slice: [5, 10] } });
+      });
+      it('that is an object', function() {
+        const query = mquery();
+        query.slice({ collection: [5, 10] });
+        assert.deepEqual(query._fields, { collection: { $slice: [5, 10] } });
+      });
+    });
+
+    describe('with 2 args', function() {
+      describe('and first is a number', function() {
+        it('throws if not called after where', function() {
+          assert.throws(function() {
+            mquery().slice(2, 3);
+          }, /must be used after where/);
+        });
+        it('does not throw if used after where', function() {
+          const query = mquery();
+          query.where('collection').slice(2, 3);
+          assert.deepEqual(query._fields, { collection: { $slice: [2, 3] } });
+        });
+      });
+      it('and first is not a number', function() {
+        const query = mquery().slice('collection', [-5, 2]);
+        assert.deepEqual(query._fields, { collection: { $slice: [-5, 2] } });
+      });
+    });
+
+    describe('with 3 args', function() {
+      it('works', function() {
+        const query = mquery();
+        query.slice('collection', 14, 10);
+        assert.deepEqual(query._fields, { collection: { $slice: [14, 10] } });
+      });
+    });
+
+    noDistinct('slice');
+    no('count', 'slice');
+  });
+
+  // options
+
+  describe('sort', function() {
+    describe('with 0 args', function() {
+      it('chains', function() {
+        const m = mquery();
+        assert.equal(m, m.sort());
+      });
+      it('has no affect', function() {
+        const m = mquery();
+        assert.equal(m.options.sort, undefined);
+      });
+    });
+
+    it('works', function() {
+      let query = mquery();
+      query.sort('a -c b');
+      assert.deepEqual(query.options.sort, { a: 1, b: 1, c: -1 });
+
+      query = mquery();
+      query.sort({ a: 1, c: -1, b: 'asc', e: 'descending', f: 'ascending' });
+      assert.deepEqual(query.options.sort, { a: 1, c: -1, b: 1, e: -1, f: 1 });
+
+      query = mquery();
+      query.sort([['a', -1], ['c', 1], ['b', 'desc'], ['e', 'ascending'], ['f', 'descending']]);
+      assert.deepEqual(query.options.sort, [['a', -1], ['c', 1], ['b', -1], ['e', 1], ['f', -1]]);
+
+      query = mquery();
+      let e = undefined;
+      try {
+        query.sort([['a', 1], { b: 5 }]);
+      } catch (err) {
+        e = err;
+      }
+      assert.ok(e, 'uh oh. no error was thrown');
+      assert.equal(e.message, 'Invalid sort() argument, must be array of arrays');
+
+      query = mquery();
+      e = undefined;
+
+      try {
+        query.sort('a', 1, 'c', -1, 'b', 1);
+      } catch (err) {
+        e = err;
+      }
+      assert.ok(e, 'uh oh. no error was thrown');
+      assert.equal(e.message, 'Invalid sort() argument. Must be a string, object, or array.');
+    });
+
+    it('handles $meta sort options', function() {
+      const query = mquery();
+      query.sort({ score: { $meta: 'textScore' } });
+      assert.deepEqual(query.options.sort, { score: { $meta: 'textScore' } });
+    });
+
+    it('array syntax', function() {
+      const query = mquery();
+      query.sort([['field', 1], ['test', -1]]);
+      assert.deepEqual(query.options.sort, [['field', 1], ['test', -1]]);
+    });
+
+    it('throws with mixed array/object syntax', function() {
+      const query = mquery();
+      assert.throws(function() {
+        query.sort({ field: 1 }).sort([['test', -1]]);
+      }, /Can't mix sort syntaxes/);
+      assert.throws(function() {
+        query.sort([['field', 1]]).sort({ test: 1 });
+      }, /Can't mix sort syntaxes/);
+    });
+
+    it('works with maps', function() {
+      if (typeof Map === 'undefined') {
+        return this.skip();
+      }
+      const query = mquery();
+      query.sort(new Map().set('field', 1).set('test', -1));
+      assert.deepEqual(query.options.sort, new Map().set('field', 1).set('test', -1));
+    });
+  });
+
+  function simpleOption(type, options) {
+    describe(type, function() {
+      it('sets the ' + type + ' option', function() {
+        const m = mquery()[type](2);
+        const optionName = options.name || type;
+        assert.equal(2, m.options[optionName]);
+      });
+      it('is chainable', function() {
+        const m = mquery();
+        assert.equal(m[type](3), m);
+      });
+
+      if (!options.distinct) noDistinct(type);
+      if (!options.count) no('count', type);
+    });
+  }
+
+  const negated = {
+    limit: { distinct: false, count: true },
+    skip: { distinct: false, count: true },
+    maxScan: { distinct: false, count: false },
+    batchSize: { distinct: false, count: false },
+    maxTime: { distinct: true, count: true, name: 'maxTimeMS' }
+  };
+  Object.keys(negated).forEach(function(key) {
+    simpleOption(key, negated[key]);
+  });
+
+  describe('snapshot', function() {
+    it('works', function() {
+      let query;
+
+      query = mquery();
+      query.snapshot();
+      assert.equal(true, query.options.snapshot);
+
+      query = mquery();
+      query.snapshot(true);
+      assert.equal(true, query.options.snapshot);
+
+      query = mquery();
+      query.snapshot(false);
+      assert.equal(false, query.options.snapshot);
+    });
+    noDistinct('snapshot');
+    no('count', 'snapshot');
+  });
+
+  describe('hint', function() {
+    it('accepts an object', function() {
+      const query2 = mquery();
+      query2.hint({ a: 1, b: -1 });
+      assert.deepEqual(query2.options.hint, { a: 1, b: -1 });
+    });
+
+    it('accepts a string', function() {
+      const query2 = mquery();
+      query2.hint('a');
+      assert.deepEqual(query2.options.hint, 'a');
+    });
+
+    it('rejects everything else', function() {
+      assert.throws(function() {
+        mquery().hint(['c']);
+      }, /Invalid hint./);
+      assert.throws(function() {
+        mquery().hint(1);
+      }, /Invalid hint./);
+    });
+
+    describe('does not have side affects', function() {
+      it('on invalid arg', function() {
+        const m = mquery();
+        try {
+          m.hint(1);
+        } catch (err) {
+          // ignore
+        }
+        assert.equal(undefined, m.options.hint);
+      });
+      it('on missing arg', function() {
+        const m = mquery().hint();
+        assert.equal(undefined, m.options.hint);
+      });
+    });
+
+    noDistinct('hint');
+  });
+
+  describe('j', function() {
+    it('works', function() {
+      const m = mquery().j(true);
+      assert.equal(true, m.options.j);
+    });
+  });
+
+  describe('slaveOk', function() {
+    it('works', function() {
+      let query;
+
+      query = mquery();
+      query.slaveOk();
+      assert.equal(true, query.options.slaveOk);
+
+      query = mquery();
+      query.slaveOk(true);
+      assert.equal(true, query.options.slaveOk);
+
+      query = mquery();
+      query.slaveOk(false);
+      assert.equal(false, query.options.slaveOk);
+    });
+  });
+
+  describe('read', function() {
+    it('sets associated readPreference option', function() {
+      const m = mquery();
+      m.read('p');
+      assert.equal('primary', m.options.readPreference);
+    });
+    it('is chainable', function() {
+      const m = mquery();
+      assert.equal(m, m.read('sp'));
+    });
+  });
+
+  describe('readConcern', function() {
+    it('sets associated readConcern option', function() {
+      let m;
+
+      m = mquery();
+      m.readConcern('s');
+      assert.deepEqual({ level: 'snapshot' }, m.options.readConcern);
+
+      m = mquery();
+      m.r('local');
+      assert.deepEqual({ level: 'local' }, m.options.readConcern);
+    });
+    it('is chainable', function() {
+      const m = mquery();
+      assert.equal(m, m.readConcern('lz'));
+    });
+  });
+
+  describe('tailable', function() {
+    it('works', function() {
+      let query;
+
+      query = mquery();
+      query.tailable();
+      assert.equal(true, query.options.tailable);
+
+      query = mquery();
+      query.tailable(true);
+      assert.equal(true, query.options.tailable);
+
+      query = mquery();
+      query.tailable(false);
+      assert.equal(false, query.options.tailable);
+    });
+    it('is chainable', function() {
+      const m = mquery();
+      assert.equal(m, m.tailable());
+    });
+    noDistinct('tailable');
+    no('count', 'tailable');
+  });
+
+  describe('writeConcern', function() {
+    it('sets associated writeConcern option', function() {
+      let m;
+      m = mquery();
+      m.writeConcern('majority');
+      assert.equal('majority', m.options.w);
+
+      m = mquery();
+      m.writeConcern('m'); // m is alias of majority
+      assert.equal('majority', m.options.w);
+
+      m = mquery();
+      m.writeConcern(1);
+      assert.equal(1, m.options.w);
+    });
+    it('accepts object', function() {
+      let m;
+
+      m = mquery().writeConcern({ w: 'm', j: true, wtimeout: 1000 });
+      assert.equal('m', m.options.w); // check it does not convert m to majority
+      assert.equal(true, m.options.j);
+      assert.equal(1000, m.options.wtimeout);
+
+      m = mquery().w('m').w({ j: false, wtimeout: 0 });
+      assert.equal('majority', m.options.w);
+      assert.strictEqual(false, m.options.j);
+      assert.strictEqual(0, m.options.wtimeout);
+    });
+    it('is chainable', function() {
+      const m = mquery();
+      assert.equal(m, m.writeConcern('majority'));
+    });
+  });
+
+  // query utilities
+
+  describe('merge', function() {
+    describe('with falsy arg', function() {
+      it('returns itself', function() {
+        const m = mquery();
+        assert.equal(m, m.merge());
+        assert.equal(m, m.merge(null));
+        assert.equal(m, m.merge(0));
+      });
+    });
+    describe('with an argument', function() {
+      describe('that is not a query or plain object', function() {
+        it('throws', function() {
+          assert.throws(function() {
+            mquery().merge([]);
+          }, /Invalid argument/);
+          assert.throws(function() {
+            mquery().merge('merge');
+          }, /Invalid argument/);
+          assert.doesNotThrow(function() {
+            mquery().merge({});
+          }, /Invalid argument/);
+        });
+      });
+
+      describe('that is a query', function() {
+        it('merges conditions, field selection, and options', function() {
+          const m = mquery({ x: 'hi' }, { select: 'x y', another: true });
+          const n = mquery().merge(m);
+          assert.deepEqual(n._conditions, m._conditions);
+          assert.deepEqual(n._fields, m._fields);
+          assert.deepEqual(n.options, m.options);
+        });
+        it('clones update arguments', function(done) {
+          const original = { $set: { iTerm: true } };
+          const m = mquery().updateOne(original);
+          const n = mquery().merge(m);
+          m.updateOne({ $set: { x: 2 } });
+          assert.notDeepEqual(m._update, n._update);
+          done();
+        });
+        it('is chainable', function() {
+          const m = mquery({ x: 'hi' });
+          const n = mquery();
+          assert.equal(n, n.merge(m));
+        });
+      });
+
+      describe('that is an object', function() {
+        it('merges', function() {
+          const m = { x: 'hi' };
+          const n = mquery().merge(m);
+          assert.deepEqual(n._conditions, { x: 'hi' });
+        });
+        it('clones update arguments', function(done) {
+          const original = { $set: { iTerm: true } };
+          const m = mquery().updateOne(original);
+          const n = mquery().merge(original);
+          m.updateOne({ $set: { x: 2 } });
+          assert.notDeepEqual(m._update, n._update);
+          done();
+        });
+        it('is chainable', function() {
+          const m = { x: 'hi' };
+          const n = mquery();
+          assert.equal(n, n.merge(m));
+        });
+      });
+    });
+  });
+
+  // queries
+
+  describe('find', function() {
+    describe('with no callback', function() {
+      it('does not execute', function() {
+        const m = mquery();
+        assert.doesNotThrow(function() {
+          m.find();
+        });
+        assert.doesNotThrow(function() {
+          m.find({ x: 1 });
+        });
+      });
+    });
+
+    it('is chainable', function() {
+      const m = mquery().find({ x: 1 }).find().find({ y: 2 });
+      assert.deepEqual(m._conditions, { x: 1, y: 2 });
+    });
+
+    it('merges other queries', function() {
+      const m = mquery({ name: 'mquery' });
+      m.tailable();
+      m.select('_id');
+      const a = mquery().find(m);
+      assert.deepEqual(a._conditions, m._conditions);
+      assert.deepEqual(a.options, m.options);
+      assert.deepEqual(a._fields, m._fields);
+    });
+
+    describe('executes', function() {
+      before(function(done) {
+        col.insertOne({ name: 'mquery' }, done);
+      });
+
+      after(function(done) {
+        col.remove({ name: 'mquery' }, done);
+      });
+
+      it('when criteria is passed with a callback', function(done) {
+        mquery(col).find({ name: 'mquery' }, function(err, docs) {
+          assert.ifError(err);
+          assert.equal(1, docs.length);
+          done();
+        });
+      });
+      it('when Query is passed with a callback', function(done) {
+        const m = mquery({ name: 'mquery' });
+        mquery(col).find(m, function(err, docs) {
+          assert.ifError(err);
+          assert.equal(1, docs.length);
+          done();
+        });
+      });
+      it('when just a callback is passed', function(done) {
+        mquery({ name: 'mquery' }).collection(col).find(function(err, docs) {
+          assert.ifError(err);
+          assert.equal(1, docs.length);
+          done();
+        });
+      });
+    });
+  });
+
+  describe('findOne', function() {
+    describe('with no callback', function() {
+      it('does not execute', function() {
+        const m = mquery();
+        assert.doesNotThrow(function() {
+          m.findOne();
+        });
+        assert.doesNotThrow(function() {
+          m.findOne({ x: 1 });
+        });
+      });
+    });
+
+    it('is chainable', function() {
+      const m = mquery();
+      const n = m.findOne({ x: 1 }).findOne().findOne({ y: 2 });
+      assert.equal(m, n);
+      assert.deepEqual(m._conditions, { x: 1, y: 2 });
+      assert.equal('findOne', m.op);
+    });
+
+    it('merges other queries', function() {
+      const m = mquery({ name: 'mquery' });
+      m.read('nearest');
+      m.select('_id');
+      const a = mquery().findOne(m);
+      assert.deepEqual(a._conditions, m._conditions);
+      assert.deepEqual(a.options, m.options);
+      assert.deepEqual(a._fields, m._fields);
+    });
+
+    describe('executes', function() {
+      before(function(done) {
+        col.insertOne({ name: 'mquery findone' }, done);
+      });
+
+      after(function(done) {
+        col.remove({ name: 'mquery findone' }, done);
+      });
+
+      it('when criteria is passed with a callback', function(done) {
+        mquery(col).findOne({ name: 'mquery findone' }, function(err, doc) {
+          assert.ifError(err);
+          assert.ok(doc);
+          assert.equal('mquery findone', doc.name);
+          done();
+        });
+      });
+      it('when Query is passed with a callback', function(done) {
+        const m = mquery(col).where({ name: 'mquery findone' });
+        mquery(col).findOne(m, function(err, doc) {
+          assert.ifError(err);
+          assert.ok(doc);
+          assert.equal('mquery findone', doc.name);
+          done();
+        });
+      });
+      it('when just a callback is passed', function(done) {
+        mquery({ name: 'mquery findone' }).collection(col).findOne(function(err, doc) {
+          assert.ifError(err);
+          assert.ok(doc);
+          assert.equal('mquery findone', doc.name);
+          done();
+        });
+      });
+    });
+  });
+
+  describe('count', function() {
+    describe('with no callback', function() {
+      it('does not execute', function() {
+        const m = mquery();
+        assert.doesNotThrow(function() {
+          m.count();
+        });
+        assert.doesNotThrow(function() {
+          m.count({ x: 1 });
+        });
+      });
+    });
+
+    it('is chainable', function() {
+      const m = mquery();
+      const n = m.count({ x: 1 }).count().count({ y: 2 });
+      assert.equal(m, n);
+      assert.deepEqual(m._conditions, { x: 1, y: 2 });
+      assert.equal('count', m.op);
+    });
+
+    it('merges other queries', function() {
+      const m = mquery({ name: 'mquery' });
+      m.read('nearest');
+      m.select('_id');
+      const a = mquery().count(m);
+      assert.deepEqual(a._conditions, m._conditions);
+      assert.deepEqual(a.options, m.options);
+      assert.deepEqual(a._fields, m._fields);
+    });
+
+    describe('executes', function() {
+      before(function(done) {
+        col.insertOne({ name: 'mquery count' }, done);
+      });
+
+      after(function(done) {
+        col.remove({ name: 'mquery count' }, done);
+      });
+
+      it('when criteria is passed with a callback', function(done) {
+        mquery(col).count({ name: 'mquery count' }, function(err, count) {
+          assert.ifError(err);
+          assert.ok(count);
+          assert.ok(1 === count);
+          done();
+        });
+      });
+      it('when Query is passed with a callback', function(done) {
+        const m = mquery({ name: 'mquery count' });
+        mquery(col).count(m, function(err, count) {
+          assert.ifError(err);
+          assert.ok(count);
+          assert.ok(1 === count);
+          done();
+        });
+      });
+      it('when just a callback is passed', function(done) {
+        mquery({ name: 'mquery count' }).collection(col).count(function(err, count) {
+          assert.ifError(err);
+          assert.ok(1 === count);
+          done();
+        });
+      });
+    });
+
+    describe('validates its option', function() {
+      it('sort', function(done) {
+        assert.doesNotThrow(function() {
+          mquery().sort('x').count();
+        });
+        done();
+      });
+
+      it('select', function(done) {
+        assert.throws(function() {
+          mquery().select('x').count();
+        }, /field selection and slice cannot be used with count/);
+        done();
+      });
+
+      it('slice', function(done) {
+        assert.throws(function() {
+          mquery().where('x').slice(-3).count();
+        }, /field selection and slice cannot be used with count/);
+        done();
+      });
+
+      it('limit', function(done) {
+        assert.doesNotThrow(function() {
+          mquery().limit(3).count();
+        });
+        done();
+      });
+
+      it('skip', function(done) {
+        assert.doesNotThrow(function() {
+          mquery().skip(3).count();
+        });
+        done();
+      });
+
+      it('batchSize', function(done) {
+        assert.throws(function() {
+          mquery({}, { batchSize: 3 }).count();
+        }, /batchSize cannot be used with count/);
+        done();
+      });
+
+      it('maxScan', function(done) {
+        assert.throws(function() {
+          mquery().maxScan(300).count();
+        }, /maxScan cannot be used with count/);
+        done();
+      });
+
+      it('snapshot', function(done) {
+        assert.throws(function() {
+          mquery().snapshot().count();
+        }, /snapshot cannot be used with count/);
+        done();
+      });
+
+      it('tailable', function(done) {
+        assert.throws(function() {
+          mquery().tailable().count();
+        }, /tailable cannot be used with count/);
+        done();
+      });
+    });
+  });
+
+  describe('distinct', function() {
+    describe('with no callback', function() {
+      it('does not execute', function() {
+        const m = mquery();
+        assert.doesNotThrow(function() {
+          m.distinct();
+        });
+        assert.doesNotThrow(function() {
+          m.distinct('name');
+        });
+        assert.doesNotThrow(function() {
+          m.distinct({ name: 'mquery distinct' });
+        });
+        assert.doesNotThrow(function() {
+          m.distinct({ name: 'mquery distinct' }, 'name');
+        });
+      });
+    });
+
+    it('is chainable', function() {
+      const m = mquery({ x: 1 }).distinct('name');
+      const n = m.distinct({ y: 2 });
+      assert.equal(m, n);
+      assert.deepEqual(n._conditions, { x: 1, y: 2 });
+      assert.equal('name', n._distinct);
+      assert.equal('distinct', n.op);
+    });
+
+    it('overwrites field', function() {
+      const m = mquery({ name: 'mquery' }).distinct('name');
+      m.distinct('rename');
+      assert.equal(m._distinct, 'rename');
+      m.distinct({ x: 1 }, 'renamed');
+      assert.equal(m._distinct, 'renamed');
+    });
+
+    it('merges other queries', function() {
+      const m = mquery().distinct({ name: 'mquery' }, 'age');
+      m.read('nearest');
+      const a = mquery().distinct(m);
+      assert.deepEqual(a._conditions, m._conditions);
+      assert.deepEqual(a.options, m.options);
+      assert.deepEqual(a._fields, m._fields);
+      assert.deepEqual(a._distinct, m._distinct);
+    });
+
+    describe('executes', function() {
+      before(function(done) {
+        col.insertOne({ name: 'mquery distinct', age: 1 }, done);
+      });
+
+      after(function(done) {
+        col.remove({ name: 'mquery distinct' }, done);
+      });
+
+      it('when distinct arg is passed with a callback', function(done) {
+        mquery(col).distinct('distinct', function(err, doc) {
+          assert.ifError(err);
+          assert.ok(doc);
+          done();
+        });
+      });
+      describe('when criteria is passed with a callback', function() {
+        it('if distinct arg was declared', function(done) {
+          mquery(col).distinct('age').distinct({ name: 'mquery distinct' }, function(err, doc) {
+            assert.ifError(err);
+            assert.ok(doc);
+            done();
+          });
+        });
+        it('but not if distinct arg was not declared', function() {
+          assert.throws(function() {
+            mquery(col).distinct({ name: 'mquery distinct' }, function() {});
+          }, /No value for `distinct`/);
+        });
+      });
+      describe('when Query is passed with a callback', function() {
+        const m = mquery({ name: 'mquery distinct' });
+        it('if distinct arg was declared', function(done) {
+          mquery(col).distinct('age').distinct(m, function(err, doc) {
+            assert.ifError(err);
+            assert.ok(doc);
+            done();
+          });
+        });
+        it('but not if distinct arg was not declared', function() {
+          assert.throws(function() {
+            mquery(col).distinct(m, function() {});
+          }, /No value for `distinct`/);
+        });
+      });
+      describe('when just a callback is passed', function() {
+        it('if distinct arg was declared', function(done) {
+          const m = mquery({ name: 'mquery distinct' });
+          m.collection(col);
+          m.distinct('age');
+          m.distinct(function(err, doc) {
+            assert.ifError(err);
+            assert.ok(doc);
+            done();
+          });
+        });
+        it('but not if no distinct arg was declared', function() {
+          const m = mquery();
+          m.collection(col);
+          assert.throws(function() {
+            m.distinct(function() {});
+          }, /No value for `distinct`/);
+        });
+      });
+    });
+
+    describe('validates its option', function() {
+      it('sort', function(done) {
+        assert.throws(function() {
+          mquery().sort('x').distinct();
+        }, /sort cannot be used with distinct/);
+        done();
+      });
+
+      it('select', function(done) {
+        assert.throws(function() {
+          mquery().select('x').distinct();
+        }, /field selection and slice cannot be used with distinct/);
+        done();
+      });
+
+      it('slice', function(done) {
+        assert.throws(function() {
+          mquery().where('x').slice(-3).distinct();
+        }, /field selection and slice cannot be used with distinct/);
+        done();
+      });
+
+      it('limit', function(done) {
+        assert.throws(function() {
+          mquery().limit(3).distinct();
+        }, /limit cannot be used with distinct/);
+        done();
+      });
+
+      it('skip', function(done) {
+        assert.throws(function() {
+          mquery().skip(3).distinct();
+        }, /skip cannot be used with distinct/);
+        done();
+      });
+
+      it('batchSize', function(done) {
+        assert.throws(function() {
+          mquery({}, { batchSize: 3 }).distinct();
+        }, /batchSize cannot be used with distinct/);
+        done();
+      });
+
+      it('maxScan', function(done) {
+        assert.throws(function() {
+          mquery().maxScan(300).distinct();
+        }, /maxScan cannot be used with distinct/);
+        done();
+      });
+
+      it('snapshot', function(done) {
+        assert.throws(function() {
+          mquery().snapshot().distinct();
+        }, /snapshot cannot be used with distinct/);
+        done();
+      });
+
+      it('hint', function(done) {
+        assert.throws(function() {
+          mquery().hint({ x: 1 }).distinct();
+        }, /hint cannot be used with distinct/);
+        done();
+      });
+
+      it('tailable', function(done) {
+        assert.throws(function() {
+          mquery().tailable().distinct();
+        }, /tailable cannot be used with distinct/);
+        done();
+      });
+    });
+  });
+
+  describe('update', function() {
+    describe('with no callback', function() {
+      it('does not execute', function() {
+        const m = mquery();
+        assert.doesNotThrow(function() {
+          m.updateOne({ name: 'old' }, { name: 'updated' }, { multi: true });
+        });
+        assert.doesNotThrow(function() {
+          m.updateOne({ name: 'old' }, { name: 'updated' });
+        });
+        assert.doesNotThrow(function() {
+          m.updateOne({ name: 'updated' });
+        });
+        assert.doesNotThrow(function() {
+          m.updateOne();
+        });
+      });
+    });
+
+    it('is chainable', function() {
+      const m = mquery({ x: 1 }).updateOne({ y: 2 });
+      const n = m.where({ y: 2 });
+      assert.equal(m, n);
+      assert.deepEqual(n._conditions, { x: 1, y: 2 });
+      assert.deepEqual({ y: 2 }, n._update);
+      assert.equal('updateOne', n.op);
+    });
+
+    it('merges update doc arg', function() {
+      const a = [1, 2];
+      const m = mquery().where({ name: 'mquery' }).updateOne({ x: 'stuff', a: a });
+      m.updateOne({ z: 'stuff' });
+      assert.deepEqual(m._update, { z: 'stuff', x: 'stuff', a: a });
+      assert.deepEqual(m._conditions, { name: 'mquery' });
+      assert.ok(!m.options.overwrite);
+      m.updateOne({}, { z: 'renamed' }, { overwrite: true });
+      assert.ok(m.options.overwrite === true);
+      assert.deepEqual(m._conditions, { name: 'mquery' });
+      assert.deepEqual(m._update, { z: 'renamed', x: 'stuff', a: a });
+      a.push(3);
+      assert.notDeepEqual(m._update, { z: 'renamed', x: 'stuff', a: a });
+    });
+
+    describe('executes', function() {
+      let id;
+      before(function(done) {
+        col.insertOne({ name: 'mquery update', age: 1 }, function(err, res) {
+          id = res.insertedId;
+          done();
+        });
+      });
+
+      after(function(done) {
+        col.remove({ _id: id }, done);
+      });
+
+      describe('when conds + doc + opts + callback passed', function() {
+        it('works', function(done) {
+          const m = mquery(col).where({ _id: id });
+          m.updateOne({}, { name: 'Sparky' }, {}, function(err, res) {
+            assert.ifError(err);
+            assert.equal(res.modifiedCount, 1);
+            m.findOne(function(err, doc) {
+              assert.ifError(err);
+              assert.equal(doc.name, 'Sparky');
+              done();
+            });
+          });
+        });
+      });
+
+      describe('when conds + doc + callback passed', function() {
+        it('works', function(done) {
+          const m = mquery(col).updateOne({ _id: id }, { name: 'fairgrounds' }, function(err, num) {
+            assert.ifError(err);
+            assert.ok(1, num);
+            m.findOne(function(err, doc) {
+              assert.ifError(err);
+              assert.equal(doc.name, 'fairgrounds');
+              done();
+            });
+          });
+        });
+      });
+
+      describe('when doc + callback passed', function() {
+        it('works', function(done) {
+          const m = mquery(col).where({ _id: id }).updateOne({ name: 'changed' }, function(err, num) {
+            assert.ifError(err);
+            assert.ok(1, num);
+            m.findOne(function(err, doc) {
+              assert.ifError(err);
+              assert.equal(doc.name, 'changed');
+              done();
+            });
+          });
+        });
+      });
+
+      describe('when just callback passed', function() {
+        it('works', function(done) {
+          const m = mquery(col).where({ _id: id });
+          m.updateOne({ name: 'Frankenweenie' });
+          m.updateOne(function(err, res) {
+            assert.ifError(err);
+            assert.equal(res.modifiedCount, 1);
+            m.findOne(function(err, doc) {
+              assert.ifError(err);
+              assert.equal(doc.name, 'Frankenweenie');
+              done();
+            });
+          });
+        });
+      });
+
+      describe('without a callback', function() {
+        it('when forced by exec()', function(done) {
+          const m = mquery(col).where({ _id: id });
+          m.setOptions({ w: 'majority' });
+          m.updateOne({ name: 'forced' });
+
+          const update = m._collection.update;
+          m._collection.updateOne = function(conds, doc, opts) {
+            m._collection.update = update;
+
+            assert.equal(opts.w, 'majority');
+            assert.equal('forced', doc.$set.name);
+            done();
+          };
+
+          m.exec();
+        });
+      });
+
+      describe('except when update doc is empty and missing overwrite flag', function() {
+        it('works', function(done) {
+          const m = mquery(col).where({ _id: id });
+          m.updateOne({}, function(err, num) {
+            assert.ifError(err);
+            assert.ok(0 === num);
+            setTimeout(function() {
+              m.findOne(function(err, doc) {
+                assert.ifError(err);
+                assert.equal(3, mquery.utils.keys(doc).length);
+                assert.equal(id, doc._id.toString());
+                assert.equal('Frankenweenie', doc.name);
+                done();
+              });
+            }, 300);
+          });
+        });
+      });
+
+      describe('when boolean (true) - exec()', function() {
+        it('works', function(done) {
+          const m = mquery(col).where({ _id: id });
+          m.updateOne({ name: 'bool' }).updateOne(true);
+          setTimeout(function() {
+            m.findOne(function(err, doc) {
+              assert.ifError(err);
+              assert.ok(doc);
+              assert.equal('bool', doc.name);
+              done();
+            });
+          }, 300);
+        });
+      });
+    });
+  });
+
+  describe('remove', function() {
+    describe('with 0 args', function() {
+      const name = 'remove: no args test';
+      before(function(done) {
+        col.insertOne({ name: name }, done);
+      });
+      after(function(done) {
+        col.remove({ name: name }, done);
+      });
+
+      it('does not execute', function(done) {
+        const remove = col.remove;
+        col.remove = function() {
+          col.remove = remove;
+          done(new Error('remove executed!'));
+        };
+
+        mquery(col).where({ name: name }).remove();
+        setTimeout(function() {
+          col.remove = remove;
+          done();
+        }, 10);
+      });
+
+      it('chains', function() {
+        const m = mquery();
+        assert.equal(m, m.remove());
+      });
+    });
+
+    describe('with 1 argument', function() {
+      const name = 'remove: 1 arg test';
+      before(function(done) {
+        col.insertOne({ name: name }, done);
+      });
+      after(function(done) {
+        col.remove({ name: name }, done);
+      });
+
+      describe('that is a', function() {
+        it('plain object', function() {
+          const m = mquery(col).remove({ name: 'Whiskers' });
+          m.remove({ color: '#fff' });
+          assert.deepEqual({ name: 'Whiskers', color: '#fff' }, m._conditions);
+        });
+
+        it('query', function() {
+          const q = mquery({ color: '#fff' });
+          const m = mquery(col).remove({ name: 'Whiskers' });
+          m.remove(q);
+          assert.deepEqual({ name: 'Whiskers', color: '#fff' }, m._conditions);
+        });
+
+        it('function', function(done) {
+          mquery(col).where({ name: name }).remove(function(err) {
+            assert.ifError(err);
+            mquery(col).findOne({ name: name }, function(err, doc) {
+              assert.ifError(err);
+              assert.equal(null, doc);
+              done();
+            });
+          });
+        });
+
+        it('boolean (true) - execute', function(done) {
+          col.insertOne({ name: name }, function(err) {
+            assert.ifError(err);
+            mquery(col).findOne({ name: name }, function(err, doc) {
+              assert.ifError(err);
+              assert.ok(doc);
+              mquery(col).remove(true);
+              setTimeout(function() {
+                mquery(col).find(function(err, docs) {
+                  assert.ifError(err);
+                  assert.ok(docs);
+                  assert.equal(0, docs.length);
+                  done();
+                });
+              }, 300);
+            });
+          });
+        });
+      });
+    });
+
+    describe('with 2 arguments', function() {
+      const name = 'remove: 2 arg test';
+      beforeEach(function(done) {
+        col.remove({}, function(err) {
+          assert.ifError(err);
+          col.insertMany([{ name: 'shelly' }, { name: name }], function(err) {
+            assert.ifError(err);
+            mquery(col).find(function(err, docs) {
+              assert.ifError(err);
+              assert.equal(2, docs.length);
+              done();
+            });
+          });
+        });
+      });
+
+      describe('plain object + callback', function() {
+        it('works', function(done) {
+          mquery(col).remove({ name: name }, function(err) {
+            assert.ifError(err);
+            mquery(col).find(function(err, docs) {
+              assert.ifError(err);
+              assert.ok(docs);
+              assert.equal(1, docs.length);
+              assert.equal('shelly', docs[0].name);
+              done();
+            });
+          });
+        });
+      });
+
+      describe('mquery + callback', function() {
+        it('works', function(done) {
+          const m = mquery({ name: name });
+          mquery(col).remove(m, function(err) {
+            assert.ifError(err);
+            mquery(col).find(function(err, docs) {
+              assert.ifError(err);
+              assert.ok(docs);
+              assert.equal(1, docs.length);
+              assert.equal('shelly', docs[0].name);
+              done();
+            });
+          });
+        });
+      });
+    });
+  });
+
+  function validateFindAndModifyOptions(method) {
+    describe('validates its option', function() {
+      it('sort', function(done) {
+        assert.doesNotThrow(function() {
+          mquery().sort('x')[method]();
+        });
+        done();
+      });
+
+      it('select', function(done) {
+        assert.doesNotThrow(function() {
+          mquery().select('x')[method]();
+        });
+        done();
+      });
+
+      it('limit', function(done) {
+        assert.throws(function() {
+          mquery().limit(3)[method]();
+        }, new RegExp('limit cannot be used with ' + method));
+        done();
+      });
+
+      it('skip', function(done) {
+        assert.throws(function() {
+          mquery().skip(3)[method]();
+        }, new RegExp('skip cannot be used with ' + method));
+        done();
+      });
+
+      it('batchSize', function(done) {
+        assert.throws(function() {
+          mquery({}, { batchSize: 3 })[method]();
+        }, new RegExp('batchSize cannot be used with ' + method));
+        done();
+      });
+
+      it('maxScan', function(done) {
+        assert.throws(function() {
+          mquery().maxScan(300)[method]();
+        }, new RegExp('maxScan cannot be used with ' + method));
+        done();
+      });
+
+      it('snapshot', function(done) {
+        assert.throws(function() {
+          mquery().snapshot()[method]();
+        }, new RegExp('snapshot cannot be used with ' + method));
+        done();
+      });
+
+      it('tailable', function(done) {
+        assert.throws(function() {
+          mquery().tailable()[method]();
+        }, new RegExp('tailable cannot be used with ' + method));
+        done();
+      });
+    });
+  }
+
+  describe('findOneAndUpdate', function() {
+    let name = 'findOneAndUpdate + fn';
+
+    validateFindAndModifyOptions('findOneAndUpdate');
+
+    describe('with 0 args', function() {
+      it('makes no changes', function() {
+        const m = mquery();
+        const n = m.findOneAndUpdate();
+        assert.deepEqual(m, n);
+      });
+    });
+    describe('with 1 arg', function() {
+      describe('that is an object', function() {
+        it('updates the doc', function() {
+          const m = mquery();
+          const n = m.findOneAndUpdate({ $set: { name: '1 arg' } });
+          assert.deepEqual(n._update, { $set: { name: '1 arg' } });
+        });
+      });
+      describe('that is a query', function() {
+        it('updates the doc', function() {
+          const m = mquery({ name: name }).updateOne({ x: 1 });
+          const n = mquery().findOneAndUpdate(m);
+          assert.deepEqual(n._update, { x: 1 });
+        });
+      });
+      it('that is a function', function(done) {
+        col.insertOne({ name: name }, function(err) {
+          assert.ifError(err);
+          const m = mquery({ name: name }).collection(col);
+          name = '1 arg';
+          const n = m.updateOne({ $set: { name: name } }).setOptions({ returnDocument: 'after' });
+          n.findOneAndUpdate(function(err, res) {
+            assert.ifError(err);
+            assert.ok(res.value);
+            assert.equal(res.value.name, name);
+            done();
+          });
+        });
+      });
+    });
+    describe('with 2 args', function() {
+      it('conditions + update', function() {
+        const m = mquery(col);
+        m.findOneAndUpdate({ name: name }, { age: 100 });
+        assert.deepEqual({ name: name }, m._conditions);
+        assert.deepEqual({ age: 100 }, m._update);
+      });
+      it('query + update', function() {
+        const n = mquery({ name: name });
+        const m = mquery(col);
+        m.findOneAndUpdate(n, { age: 100 });
+        assert.deepEqual({ name: name }, m._conditions);
+        assert.deepEqual({ age: 100 }, m._update);
+      });
+      it('update + callback', function(done) {
+        const m = mquery(col).where({ name: name });
+        m.findOneAndUpdate({}, { $inc: { age: 10 } }, { returnDocument: 'after' }, function(err, res) {
+          assert.ifError(err);
+          assert.equal(10, res.value.age);
+          done();
+        });
+      });
+    });
+    describe('with 3 args', function() {
+      it('conditions + update + options', function() {
+        const m = mquery();
+        const n = m.findOneAndUpdate({ name: name }, { works: true }, { returnDocument: 'before' });
+        assert.deepEqual({ name: name }, n._conditions);
+        assert.deepEqual({ works: true }, n._update);
+        assert.deepEqual({ returnDocument: 'before' }, n.options);
+      });
+      it('conditions + update + callback', function(done) {
+        const m = mquery(col);
+        m.findOneAndUpdate({ name: name }, { works: true }, { returnDocument: 'after' }, function(err, res) {
+          assert.ifError(err);
+          assert.ok(res.value);
+          assert.equal(name, res.value.name);
+          assert.ok(true === res.value.works);
+          done();
+        });
+      });
+    });
+    describe('with 4 args', function() {
+      it('conditions + update + options + callback', function(done) {
+        const m = mquery(col);
+        m.findOneAndUpdate({ name: name }, { works: false }, {}, function(err, res) {
+          assert.ifError(err);
+          assert.ok(res.value);
+          assert.equal(name, res.value.name);
+          assert.ok(true === res.value.works);
+          done();
+        });
+      });
+    });
+  });
+
+  describe('findOneAndRemove', function() {
+    let name = 'findOneAndRemove';
+
+    validateFindAndModifyOptions('findOneAndRemove');
+
+    describe('with 0 args', function() {
+      it('makes no changes', function() {
+        const m = mquery();
+        const n = m.findOneAndRemove();
+        assert.deepEqual(m, n);
+      });
+    });
+    describe('with 1 arg', function() {
+      describe('that is an object', function() {
+        it('updates the doc', function() {
+          const m = mquery();
+          const n = m.findOneAndRemove({ name: '1 arg' });
+          assert.deepEqual(n._conditions, { name: '1 arg' });
+        });
+      });
+      describe('that is a query', function() {
+        it('updates the doc', function() {
+          const m = mquery({ name: name });
+          const n = m.findOneAndRemove(m);
+          assert.deepEqual(n._conditions, { name: name });
+        });
+      });
+      it('that is a function', function(done) {
+        col.insertOne({ name: name }, function(err) {
+          assert.ifError(err);
+          const m = mquery({ name: name }).collection(col);
+          m.findOneAndRemove(function(err, res) {
+            assert.ifError(err);
+            assert.ok(res.value);
+            assert.equal(name, res.value.name);
+            done();
+          });
+        });
+      });
+    });
+    describe('with 2 args', function() {
+      it('conditions + options', function() {
+        const m = mquery(col);
+        m.findOneAndRemove({ name: name }, { returnDocument: 'after' });
+        assert.deepEqual({ name: name }, m._conditions);
+        assert.deepEqual({ returnDocument: 'after' }, m.options);
+      });
+      it('query + options', function() {
+        const n = mquery({ name: name });
+        const m = mquery(col);
+        m.findOneAndRemove(n, { sort: { x: 1 } });
+        assert.deepEqual({ name: name }, m._conditions);
+        assert.deepEqual({ sort: { x: 1 } }, m.options);
+      });
+      it('conditions + callback', function(done) {
+        col.insertOne({ name: name }, function(err) {
+          assert.ifError(err);
+          const m = mquery(col);
+          m.findOneAndRemove({ name: name }, function(err, res) {
+            assert.ifError(err);
+            assert.equal(name, res.value.name);
+            done();
+          });
+        });
+      });
+      it('query + callback', function(done) {
+        col.insertOne({ name: name }, function(err) {
+          assert.ifError(err);
+          const n = mquery({ name: name });
+          const m = mquery(col);
+          m.findOneAndRemove(n, function(err, res) {
+            assert.ifError(err);
+            assert.equal(name, res.value.name);
+            done();
+          });
+        });
+      });
+    });
+    describe('with 3 args', function() {
+      it('conditions + options + callback', function(done) {
+        name = 'findOneAndRemove + conds + options + cb';
+        col.insertMany([{ name: name }, { name: 'a' }], function(err) {
+          assert.ifError(err);
+          const m = mquery(col);
+          m.findOneAndRemove({ name: name }, { sort: { name: 1 } }, function(err, res) {
+            assert.ifError(err);
+            assert.ok(res.value);
+            assert.equal(name, res.value.name);
+            done();
+          });
+        });
+      });
+    });
+  });
+
+  describe('exec', function() {
+    beforeEach(function(done) {
+      col.insertMany([{ name: 'exec', age: 1 }, { name: 'exec', age: 2 }], done);
+    });
+
+    afterEach(function(done) {
+      mquery(col).remove(done);
+    });
+
+    it('requires an op', function() {
+      assert.throws(function() {
+        mquery().exec();
+      }, /Missing query type/);
+    });
+
+    describe('find', function() {
+      it('works', function(done) {
+        const m = mquery(col).find({ name: 'exec' });
+        m.exec(function(err, docs) {
+          assert.ifError(err);
+          assert.equal(2, docs.length);
+          done();
+        });
+      });
+
+      it('works with readPreferences', function(done) {
+        const m = mquery(col).find({ name: 'exec' });
+        try {
+          const ReadPreference = require('mongodb').ReadPreference;
+          const rp = new ReadPreference('primary');
+          m.read(rp);
+        } catch (e) {
+          done(e.code === 'MODULE_NOT_FOUND' ? null : e);
+          return;
+        }
+        m.exec(function(err, docs) {
+          assert.ifError(err);
+          assert.equal(2, docs.length);
+          done();
+        });
+      });
+
+      it('works with hint', function(done) {
+        mquery(col).hint({ _id: 1 }).find({ name: 'exec' }).exec(function(err, docs) {
+          assert.ifError(err);
+          assert.equal(2, docs.length);
+
+          mquery(col).hint('_id_').find({ age: 1 }).exec(function(err, docs) {
+            assert.ifError(err);
+            assert.equal(1, docs.length);
+            done();
+          });
+        });
+      });
+
+      it('works with readConcern', function(done) {
+        const m = mquery(col).find({ name: 'exec' });
+        m.readConcern('l');
+        m.exec(function(err, docs) {
+          assert.ifError(err);
+          assert.equal(2, docs.length);
+          done();
+        });
+      });
+
+      it('works with collation', function(done) {
+        const m = mquery(col).find({ name: 'EXEC' });
+        m.collation({ locale: 'en_US', strength: 1 });
+        m.exec(function(err, docs) {
+          assert.ifError(err);
+          assert.equal(2, docs.length);
+          done();
+        });
+      });
+    });
+
+    it('findOne', function(done) {
+      const m = mquery(col).findOne({ age: 2 });
+      m.exec(function(err, doc) {
+        assert.ifError(err);
+        assert.equal(2, doc.age);
+        done();
+      });
+    });
+
+    it('count', function(done) {
+      const m = mquery(col).count({ name: 'exec' });
+      m.exec(function(err, count) {
+        assert.ifError(err);
+        assert.equal(2, count);
+        done();
+      });
+    });
+
+    it('distinct', function(done) {
+      const m = mquery({ name: 'exec' });
+      m.collection(col);
+      m.distinct('age');
+      m.exec(function(err, array) {
+        assert.ifError(err);
+        assert.ok(Array.isArray(array));
+        assert.equal(2, array.length);
+        assert(~array.indexOf(1));
+        assert(~array.indexOf(2));
+        done();
+      });
+    });
+
+    describe('update', function() {
+      describe('updateMany', function() {
+        it('works', function(done) {
+          mquery(col).updateMany({ name: 'exec' }, { name: 'test' }).
+            exec(function(error) {
+              assert.ifError(error);
+              mquery(col).count({ name: 'test' }).exec(function(error, res) {
+                assert.ifError(error);
+                assert.equal(res, 2);
+                done();
+              });
+            });
+        });
+        it('works with write concern', function(done) {
+          mquery(col).updateMany({ name: 'exec' }, { name: 'test' })
+            .w(1).j(true).wtimeout(1000)
+            .exec(function(error) {
+              assert.ifError(error);
+              mquery(col).count({ name: 'test' }).exec(function(error, res) {
+                assert.ifError(error);
+                assert.equal(res, 2);
+                done();
+              });
+            });
+        });
+      });
+
+      describe('updateOne', function() {
+        it('works', function(done) {
+          mquery(col).updateOne({ name: 'exec' }, { name: 'test' }).
+            exec(function(error) {
+              assert.ifError(error);
+              mquery(col).count({ name: 'test' }).exec(function(error, res) {
+                assert.ifError(error);
+                assert.equal(res, 1);
+                done();
+              });
+            });
+        });
+      });
+
+      describe('replaceOne', function() {
+        it('works', function(done) {
+          mquery(col).replaceOne({ name: 'exec' }, { name: 'test' }).
+            exec(function(error) {
+              assert.ifError(error);
+              mquery(col).findOne({ name: 'test' }).exec(function(error, res) {
+                assert.ifError(error);
+                assert.equal(res.name, 'test');
+                assert.ok(res.age == null);
+                done();
+              });
+            });
+        });
+      });
+    });
+
+    describe('remove', function() {
+      it('with a callback', function(done) {
+        const m = mquery(col).where({ age: 2 }).remove();
+        m.exec(function(err, res) {
+          assert.ifError(err);
+          assert.equal(1, res.deletedCount);
+          done();
+        });
+      });
+
+      it('without a callback', function(done) {
+        const m = mquery(col).where({ age: 1 }).remove();
+        m.exec();
+
+        setTimeout(function() {
+          mquery(col).where('name', 'exec').count(function(err, num) {
+            assert.equal(1, num);
+            done();
+          });
+        }, 200);
+      });
+    });
+
+    describe('deleteOne', function() {
+      it('with a callback', function(done) {
+        const m = mquery(col).where({ age: { $gte: 0 } }).deleteOne();
+        m.exec(function(err, res) {
+          assert.ifError(err);
+          assert.equal(res.deletedCount, 1);
+          done();
+        });
+      });
+
+      it('with justOne set', function(done) {
+        const m = mquery(col).where({ age: { $gte: 0 } }).
+          // Should ignore `justOne`
+          setOptions({ justOne: false }).
+          deleteOne();
+        m.exec(function(err, res) {
+          assert.ifError(err);
+          assert.equal(res.deletedCount, 1);
+          done();
+        });
+      });
+    });
+
+    describe('deleteMany', function() {
+      it('with a callback', function(done) {
+        const m = mquery(col).where({ age: { $gte: 0 } }).deleteMany();
+        m.exec(function(err, res) {
+          assert.ifError(err);
+          assert.equal(res.deletedCount, 2);
+          done();
+        });
+      });
+    });
+
+    describe('findOneAndUpdate', function() {
+      it('with a callback', function(done) {
+        const m = mquery(col);
+        m.findOneAndUpdate({ name: 'exec', age: 1 }, { $set: { name: 'findOneAndUpdate' } }, { returnDocument: 'after' });
+        m.exec(function(err, res) {
+          assert.ifError(err);
+          assert.equal('findOneAndUpdate', res.value.name);
+          done();
+        });
+      });
+    });
+
+    describe('findOneAndRemove', function() {
+      it('with a callback', function(done) {
+        const m = mquery(col);
+        m.findOneAndRemove({ name: 'exec', age: 2 });
+        m.exec(function(err, res) {
+          assert.ifError(err);
+          assert.equal('exec', res.value.name);
+          assert.equal(2, res.value.age);
+          mquery(col).count({ name: 'exec' }, function(err, num) {
+            assert.ifError(err);
+            assert.equal(1, num);
+            done();
+          });
+        });
+      });
+    });
+  });
+
+  describe('setTraceFunction', function() {
+    beforeEach(function(done) {
+      col.insertMany([{ name: 'trace', age: 93 }], done);
+    });
+
+    it('calls trace function when executing query', function(done) {
+      const m = mquery(col);
+
+      let resultTraceCalled;
+
+      m.setTraceFunction(function(method, queryInfo) {
+        try {
+          assert.equal('findOne', method);
+          assert.equal('trace', queryInfo.conditions.name);
+        } catch (e) {
+          done(e);
+        }
+
+        return function(err, result, millis) {
+          try {
+            assert.equal(93, result.age);
+            assert.ok(typeof millis === 'number');
+          } catch (e) {
+            done(e);
+          }
+          resultTraceCalled = true;
+        };
+      });
+
+      m.findOne({ name: 'trace' }, function(err, doc) {
+        assert.ifError(err);
+        assert.equal(resultTraceCalled, true);
+        assert.equal(93, doc.age);
+        done();
+      });
+    });
+
+    it('inherits trace function when calling toConstructor', function(done) {
+      function traceFunction() { return function() {}; }
+
+      const tracedQuery = mquery().setTraceFunction(traceFunction).toConstructor();
+
+      const query = tracedQuery();
+      assert.equal(traceFunction, query._traceFunction);
+
+      done();
+    });
+  });
+
+  describe('thunk', function() {
+    it('returns a function', function(done) {
+      assert.equal('function', typeof mquery().thunk());
+      done();
+    });
+
+    it('passes the fn arg to `exec`', function(done) {
+      function cb() {}
+      const m = mquery();
+
+      m.exec = function testing(fn) {
+        assert.equal(this, m);
+        assert.equal(cb, fn);
+        done();
+      };
+
+      m.thunk()(cb);
+    });
+  });
+
+  describe('then', function() {
+    before(function(done) {
+      col.insertMany([{ name: 'then', age: 1 }, { name: 'then', age: 2 }], done);
+    });
+
+    after(function(done) {
+      mquery(col).remove({ name: 'then' }).exec(done);
+    });
+
+    it('returns a promise A+ compat object', function(done) {
+      const m = mquery(col).find();
+      assert.equal('function', typeof m.then);
+      done();
+    });
+
+    it('creates a promise that is resolved on success', function(done) {
+      const promise = mquery(col).count({ name: 'then' }).then();
+      promise.then(function(count) {
+        assert.equal(2, count);
+        done();
+      }, done);
+    });
+
+    it('supports exec() cb being called synchronously #66', function(done) {
+      const query = mquery(col).count({ name: 'then' });
+      query.exec = function(cb) {
+        cb(null, 66);
+      };
+
+      query.then(success, done);
+      function success(count) {
+        assert.equal(66, count);
+        done();
+      }
+    });
+  });
+
+  describe('stream', function() {
+    before(function(done) {
+      col.insertMany([{ name: 'stream', age: 1 }, { name: 'stream', age: 2 }], done);
+    });
+
+    after(function(done) {
+      mquery(col).remove({ name: 'stream' }).exec(done);
+    });
+
+    describe('throws', function() {
+      describe('if used with non-find operations', function() {
+        const ops = ['update', 'findOneAndUpdate', 'remove', 'count', 'distinct'];
+
+        ops.forEach(function(op) {
+          assert.throws(function() {
+            mquery(col)[op]().stream();
+          });
+        });
+      });
+    });
+
+    it('returns a stream', function(done) {
+      const stream = mquery(col).find({ name: 'stream' }).cursor().stream();
+      let count = 0;
+      let err;
+
+      stream.on('data', function(doc) {
+        assert.equal('stream', doc.name);
+        ++count;
+      });
+
+      stream.on('error', function(er) {
+        err = er;
+      });
+
+      stream.on('end', function() {
+        if (err) return done(err);
+        assert.equal(2, count);
+        done();
+      });
+    });
+  });
+
+  function noDistinct(type) {
+    it('cannot be used with distinct()', function(done) {
+      assert.throws(function() {
+        mquery().distinct('name')[type](4);
+      }, new RegExp(type + ' cannot be used with distinct'));
+      done();
+    });
+  }
+
+  function no(method, type) {
+    it('cannot be used with ' + method + '()', function(done) {
+      assert.throws(function() {
+        mquery()[method]()[type](4);
+      }, new RegExp(type + ' cannot be used with ' + method));
+      done();
+    });
+  }
+
+  // query internal
+
+  describe('_updateForExec', function() {
+    it('returns a clone of the update object with same key order #19', function(done) {
+      const update = {};
+      update.$push = { n: { $each: [{ x: 10 }], $slice: -1, $sort: { x: 1 } } };
+
+      const q = mquery().updateOne({ x: 1 }, update);
+
+      // capture original key order
+      const order = [];
+      let key;
+      for (key in q._update.$push.n) {
+        order.push(key);
+      }
+
+      // compare output
+      const doc = q._updateForExec();
+      let i = 0;
+      for (key in doc.$push.n) {
+        assert.equal(key, order[i]);
+        i++;
+      }
+
+      done();
+    });
+  });
+});
diff --git a/node_modules/mquery/test/utils.test.js b/node_modules/mquery/test/utils.test.js
new file mode 100644
index 000000000..9b21807c4
--- /dev/null
+++ b/node_modules/mquery/test/utils.test.js
@@ -0,0 +1,182 @@
+'use strict';
+
+const utils = require('../lib/utils');
+const assert = require('assert');
+const debug = require('debug');
+
+let mongo;
+try {
+  mongo = new require('mongodb');
+} catch (e) {
+  debug('mongo', 'cannot construct mongodb instance');
+}
+
+describe('lib/utils', function() {
+  describe('clone', function() {
+    it('clones constructors named ObjectId', function(done) {
+      function ObjectId(id) {
+        this.id = id;
+      }
+
+      const o1 = new ObjectId('1234');
+      const o2 = utils.clone(o1);
+      assert.ok(o2 instanceof ObjectId);
+
+      done();
+    });
+
+    it('clones constructors named ObjectID', function(done) {
+      function ObjectID(id) {
+        this.id = id;
+      }
+
+      const o1 = new ObjectID('1234');
+      const o2 = utils.clone(o1);
+
+      assert.ok(o2 instanceof ObjectID);
+      done();
+    });
+
+    it('clones RegExp', function(done) {
+      const sampleRE = /a/giy;
+
+      const clonedRE = utils.clone(sampleRE);
+
+      assert.ok(clonedRE !== sampleRE);
+      assert.ok(clonedRE instanceof RegExp);
+      assert.ok(clonedRE.source === 'a');
+      assert.ok(clonedRE.flags === 'giy');
+      done();
+    });
+
+    it('clones Buffer', function(done) {
+      const buf1 = Buffer.alloc(10);
+
+      const buf2 = utils.clone(buf1);
+
+      assert.ok(buf2 instanceof Buffer);
+      done();
+    });
+
+    it('does not clone constructors named ObjectIdd', function(done) {
+      function ObjectIdd(id) {
+        this.id = id;
+      }
+
+      const o1 = new ObjectIdd('1234');
+      const o2 = utils.clone(o1);
+      assert.ok(!(o2 instanceof ObjectIdd));
+
+      done();
+    });
+
+    it('optionally clones ObjectId constructors using its clone method', function(done) {
+      function ObjectID(id) {
+        this.id = id;
+        this.cloned = false;
+      }
+
+      ObjectID.prototype.clone = function() {
+        const ret = new ObjectID(this.id);
+        ret.cloned = true;
+        return ret;
+      };
+
+      const id = 1234;
+      const o1 = new ObjectID(id);
+      assert.equal(id, o1.id);
+      assert.equal(false, o1.cloned);
+
+      const o2 = utils.clone(o1);
+      assert.ok(o2 instanceof ObjectID);
+      assert.equal(id, o2.id);
+      assert.ok(o2.cloned);
+      done();
+    });
+
+    it('clones mongodb.ReadPreferences', function(done) {
+      if (!mongo) return done();
+
+      const tags = [
+        { dc: 'tag1' }
+      ];
+      const prefs = [
+        new mongo.ReadPreference('primary'),
+        new mongo.ReadPreference(mongo.ReadPreference.PRIMARY_PREFERRED),
+        new mongo.ReadPreference('secondary', tags)
+      ];
+
+      const prefsCloned = utils.clone(prefs);
+
+      for (let i = 0; i < prefsCloned.length; i++) {
+        assert.notEqual(prefs[i], prefsCloned[i]);
+        if (prefs[i].tags) {
+          assert.ok(prefsCloned[i].tags);
+          assert.notEqual(prefs[i].tags, prefsCloned[i].tags);
+          assert.notEqual(prefs[i].tags[0], prefsCloned[i].tags[0]);
+        } else {
+          assert.equal(prefsCloned[i].tags, null);
+        }
+      }
+
+      done();
+    });
+
+    it('clones mongodb.Binary', function(done) {
+      if (!mongo) return done();
+      const buf = Buffer.from('hi');
+      const binary = new mongo.Binary(buf, 2);
+      const clone = utils.clone(binary);
+      assert.equal(binary.sub_type, clone.sub_type);
+      assert.equal(String(binary.buffer), String(buf));
+      assert.ok(binary !== clone);
+      done();
+    });
+
+    it('handles objects with no constructor', function(done) {
+      const name = '335';
+
+      const o = Object.create(null);
+      o.name = name;
+
+      let clone;
+      assert.doesNotThrow(function() {
+        clone = utils.clone(o);
+      });
+
+      assert.equal(name, clone.name);
+      assert.ok(o != clone);
+      done();
+    });
+
+    it('handles buffers', function(done) {
+      const buff = Buffer.alloc(10);
+      buff.fill(1);
+      const clone = utils.clone(buff);
+
+      for (let i = 0; i < buff.length; i++) {
+        assert.equal(buff[i], clone[i]);
+      }
+
+      done();
+    });
+
+    it('skips __proto__', function() {
+      const payload = JSON.parse('{"__proto__": {"polluted": "vulnerable"}}');
+      const res = utils.clone(payload);
+
+      assert.strictEqual({}.polluted, void 0);
+      assert.strictEqual(res.__proto__, Object.prototype);
+    });
+  });
+
+  describe('merge', function() {
+    it('avoids prototype pollution', function() {
+      const payload = JSON.parse('{"__proto__": {"polluted": "vulnerable"}}');
+      const obj = {};
+      utils.merge(obj, payload);
+
+      assert.strictEqual({}.polluted, void 0);
+    });
+  });
+});
diff --git a/node_modules/ms/index.js b/node_modules/ms/index.js
new file mode 100644
index 000000000..6a522b16b
--- /dev/null
+++ b/node_modules/ms/index.js
@@ -0,0 +1,152 @@
+/**
+ * Helpers.
+ */
+
+var s = 1000;
+var m = s * 60;
+var h = m * 60;
+var d = h * 24;
+var y = d * 365.25;
+
+/**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @param {String|Number} val
+ * @param {Object} [options]
+ * @throws {Error} throw an error if val is not a non-empty string or a number
+ * @return {String|Number}
+ * @api public
+ */
+
+module.exports = function(val, options) {
+  options = options || {};
+  var type = typeof val;
+  if (type === 'string' && val.length > 0) {
+    return parse(val);
+  } else if (type === 'number' && isNaN(val) === false) {
+    return options.long ? fmtLong(val) : fmtShort(val);
+  }
+  throw new Error(
+    'val is not a non-empty string or a valid number. val=' +
+      JSON.stringify(val)
+  );
+};
+
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @param {String} str
+ * @return {Number}
+ * @api private
+ */
+
+function parse(str) {
+  str = String(str);
+  if (str.length > 100) {
+    return;
+  }
+  var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(
+    str
+  );
+  if (!match) {
+    return;
+  }
+  var n = parseFloat(match[1]);
+  var type = (match[2] || 'ms').toLowerCase();
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'yrs':
+    case 'yr':
+    case 'y':
+      return n * y;
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d;
+    case 'hours':
+    case 'hour':
+    case 'hrs':
+    case 'hr':
+    case 'h':
+      return n * h;
+    case 'minutes':
+    case 'minute':
+    case 'mins':
+    case 'min':
+    case 'm':
+      return n * m;
+    case 'seconds':
+    case 'second':
+    case 'secs':
+    case 'sec':
+    case 's':
+      return n * s;
+    case 'milliseconds':
+    case 'millisecond':
+    case 'msecs':
+    case 'msec':
+    case 'ms':
+      return n;
+    default:
+      return undefined;
+  }
+}
+
+/**
+ * Short format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtShort(ms) {
+  if (ms >= d) {
+    return Math.round(ms / d) + 'd';
+  }
+  if (ms >= h) {
+    return Math.round(ms / h) + 'h';
+  }
+  if (ms >= m) {
+    return Math.round(ms / m) + 'm';
+  }
+  if (ms >= s) {
+    return Math.round(ms / s) + 's';
+  }
+  return ms + 'ms';
+}
+
+/**
+ * Long format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtLong(ms) {
+  return plural(ms, d, 'day') ||
+    plural(ms, h, 'hour') ||
+    plural(ms, m, 'minute') ||
+    plural(ms, s, 'second') ||
+    ms + ' ms';
+}
+
+/**
+ * Pluralization helper.
+ */
+
+function plural(ms, n, name) {
+  if (ms < n) {
+    return;
+  }
+  if (ms < n * 1.5) {
+    return Math.floor(ms / n) + ' ' + name;
+  }
+  return Math.ceil(ms / n) + ' ' + name + 's';
+}
diff --git a/node_modules/ms/license.md b/node_modules/ms/license.md
new file mode 100644
index 000000000..69b61253a
--- /dev/null
+++ b/node_modules/ms/license.md
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Zeit, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/ms/package.json b/node_modules/ms/package.json
new file mode 100644
index 000000000..6a31c81fa
--- /dev/null
+++ b/node_modules/ms/package.json
@@ -0,0 +1,37 @@
+{
+  "name": "ms",
+  "version": "2.0.0",
+  "description": "Tiny milisecond conversion utility",
+  "repository": "zeit/ms",
+  "main": "./index",
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "precommit": "lint-staged",
+    "lint": "eslint lib/* bin/*",
+    "test": "mocha tests.js"
+  },
+  "eslintConfig": {
+    "extends": "eslint:recommended",
+    "env": {
+      "node": true,
+      "es6": true
+    }
+  },
+  "lint-staged": {
+    "*.js": [
+      "npm run lint",
+      "prettier --single-quote --write",
+      "git add"
+    ]
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "eslint": "3.19.0",
+    "expect.js": "0.3.1",
+    "husky": "0.13.3",
+    "lint-staged": "3.4.1",
+    "mocha": "3.4.1"
+  }
+}
diff --git a/node_modules/ms/readme.md b/node_modules/ms/readme.md
new file mode 100644
index 000000000..84a9974cc
--- /dev/null
+++ b/node_modules/ms/readme.md
@@ -0,0 +1,51 @@
+# ms
+
+[![Build Status](https://travis-ci.org/zeit/ms.svg?branch=master)](https://travis-ci.org/zeit/ms)
+[![Slack Channel](http://zeit-slackin.now.sh/badge.svg)](https://zeit.chat/)
+
+Use this package to easily convert various time formats to milliseconds.
+
+## Examples
+
+```js
+ms('2 days')  // 172800000
+ms('1d')      // 86400000
+ms('10h')     // 36000000
+ms('2.5 hrs') // 9000000
+ms('2h')      // 7200000
+ms('1m')      // 60000
+ms('5s')      // 5000
+ms('1y')      // 31557600000
+ms('100')     // 100
+```
+
+### Convert from milliseconds
+
+```js
+ms(60000)             // "1m"
+ms(2 * 60000)         // "2m"
+ms(ms('10 hours'))    // "10h"
+```
+
+### Time format written-out
+
+```js
+ms(60000, { long: true })             // "1 minute"
+ms(2 * 60000, { long: true })         // "2 minutes"
+ms(ms('10 hours'), { long: true })    // "10 hours"
+```
+
+## Features
+
+- Works both in [node](https://nodejs.org) and in the browser.
+- If a number is supplied to `ms`, a string with a unit is returned.
+- If a string that contains the number is supplied, it returns it as a number (e.g.: it returns `100` for `'100'`).
+- If you pass a string with a number and a valid unit, the number of equivalent ms is returned.
+
+## Caught a bug?
+
+1. [Fork](https://help.github.com/articles/fork-a-repo/) this repository to your own GitHub account and then [clone](https://help.github.com/articles/cloning-a-repository/) it to your local device
+2. Link the package to the global module directory: `npm link`
+3. Within the module you want to test your local development instance of ms, just link it to the dependencies: `npm link ms`. Instead of the default one from npm, node will now use your clone of ms!
+
+As always, you can run the tests using: `npm test`
diff --git a/node_modules/negotiator/HISTORY.md b/node_modules/negotiator/HISTORY.md
new file mode 100644
index 000000000..a9a544914
--- /dev/null
+++ b/node_modules/negotiator/HISTORY.md
@@ -0,0 +1,108 @@
+0.6.3 / 2022-01-22
+==================
+
+  * Revert "Lazy-load modules from main entry point"
+
+0.6.2 / 2019-04-29
+==================
+
+  * Fix sorting charset, encoding, and language with extra parameters
+
+0.6.1 / 2016-05-02
+==================
+
+  * perf: improve `Accept` parsing speed
+  * perf: improve `Accept-Charset` parsing speed
+  * perf: improve `Accept-Encoding` parsing speed
+  * perf: improve `Accept-Language` parsing speed
+
+0.6.0 / 2015-09-29
+==================
+
+  * Fix including type extensions in parameters in `Accept` parsing
+  * Fix parsing `Accept` parameters with quoted equals
+  * Fix parsing `Accept` parameters with quoted semicolons
+  * Lazy-load modules from main entry point
+  * perf: delay type concatenation until needed
+  * perf: enable strict mode
+  * perf: hoist regular expressions
+  * perf: remove closures getting spec properties
+  * perf: remove a closure from media type parsing
+  * perf: remove property delete from media type parsing
+
+0.5.3 / 2015-05-10
+==================
+
+  * Fix media type parameter matching to be case-insensitive
+
+0.5.2 / 2015-05-06
+==================
+
+  * Fix comparing media types with quoted values
+  * Fix splitting media types with quoted commas
+
+0.5.1 / 2015-02-14
+==================
+
+  * Fix preference sorting to be stable for long acceptable lists
+
+0.5.0 / 2014-12-18
+==================
+
+  * Fix list return order when large accepted list
+  * Fix missing identity encoding when q=0 exists
+  * Remove dynamic building of Negotiator class
+
+0.4.9 / 2014-10-14
+==================
+
+  * Fix error when media type has invalid parameter
+
+0.4.8 / 2014-09-28
+==================
+
+  * Fix all negotiations to be case-insensitive
+  * Stable sort preferences of same quality according to client order
+  * Support Node.js 0.6
+
+0.4.7 / 2014-06-24
+==================
+
+  * Handle invalid provided languages
+  * Handle invalid provided media types
+
+0.4.6 / 2014-06-11
+==================
+
+  *  Order by specificity when quality is the same
+
+0.4.5 / 2014-05-29
+==================
+
+  * Fix regression in empty header handling
+
+0.4.4 / 2014-05-29
+==================
+
+  * Fix behaviors when headers are not present
+
+0.4.3 / 2014-04-16
+==================
+
+  * Handle slashes on media params correctly
+
+0.4.2 / 2014-02-28
+==================
+
+  * Fix media type sorting
+  * Handle media types params strictly
+
+0.4.1 / 2014-01-16
+==================
+
+  * Use most specific matches
+
+0.4.0 / 2014-01-09
+==================
+
+  * Remove preferred prefix from methods
diff --git a/node_modules/negotiator/LICENSE b/node_modules/negotiator/LICENSE
new file mode 100644
index 000000000..ea6b9e2e9
--- /dev/null
+++ b/node_modules/negotiator/LICENSE
@@ -0,0 +1,24 @@
+(The MIT License)
+
+Copyright (c) 2012-2014 Federico Romero
+Copyright (c) 2012-2014 Isaac Z. Schlueter
+Copyright (c) 2014-2015 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/negotiator/README.md b/node_modules/negotiator/README.md
new file mode 100644
index 000000000..82915e521
--- /dev/null
+++ b/node_modules/negotiator/README.md
@@ -0,0 +1,203 @@
+# negotiator
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][github-actions-ci-image]][github-actions-ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+An HTTP content negotiator for Node.js
+
+## Installation
+
+```sh
+$ npm install negotiator
+```
+
+## API
+
+```js
+var Negotiator = require('negotiator')
+```
+
+### Accept Negotiation
+
+```js
+availableMediaTypes = ['text/html', 'text/plain', 'application/json']
+
+// The negotiator constructor receives a request object
+negotiator = new Negotiator(request)
+
+// Let's say Accept header is 'text/html, application/*;q=0.2, image/jpeg;q=0.8'
+
+negotiator.mediaTypes()
+// -> ['text/html', 'image/jpeg', 'application/*']
+
+negotiator.mediaTypes(availableMediaTypes)
+// -> ['text/html', 'application/json']
+
+negotiator.mediaType(availableMediaTypes)
+// -> 'text/html'
+```
+
+You can check a working example at `examples/accept.js`.
+
+#### Methods
+
+##### mediaType()
+
+Returns the most preferred media type from the client.
+
+##### mediaType(availableMediaType)
+
+Returns the most preferred media type from a list of available media types.
+
+##### mediaTypes()
+
+Returns an array of preferred media types ordered by the client preference.
+
+##### mediaTypes(availableMediaTypes)
+
+Returns an array of preferred media types ordered by priority from a list of
+available media types.
+
+### Accept-Language Negotiation
+
+```js
+negotiator = new Negotiator(request)
+
+availableLanguages = ['en', 'es', 'fr']
+
+// Let's say Accept-Language header is 'en;q=0.8, es, pt'
+
+negotiator.languages()
+// -> ['es', 'pt', 'en']
+
+negotiator.languages(availableLanguages)
+// -> ['es', 'en']
+
+language = negotiator.language(availableLanguages)
+// -> 'es'
+```
+
+You can check a working example at `examples/language.js`.
+
+#### Methods
+
+##### language()
+
+Returns the most preferred language from the client.
+
+##### language(availableLanguages)
+
+Returns the most preferred language from a list of available languages.
+
+##### languages()
+
+Returns an array of preferred languages ordered by the client preference.
+
+##### languages(availableLanguages)
+
+Returns an array of preferred languages ordered by priority from a list of
+available languages.
+
+### Accept-Charset Negotiation
+
+```js
+availableCharsets = ['utf-8', 'iso-8859-1', 'iso-8859-5']
+
+negotiator = new Negotiator(request)
+
+// Let's say Accept-Charset header is 'utf-8, iso-8859-1;q=0.8, utf-7;q=0.2'
+
+negotiator.charsets()
+// -> ['utf-8', 'iso-8859-1', 'utf-7']
+
+negotiator.charsets(availableCharsets)
+// -> ['utf-8', 'iso-8859-1']
+
+negotiator.charset(availableCharsets)
+// -> 'utf-8'
+```
+
+You can check a working example at `examples/charset.js`.
+
+#### Methods
+
+##### charset()
+
+Returns the most preferred charset from the client.
+
+##### charset(availableCharsets)
+
+Returns the most preferred charset from a list of available charsets.
+
+##### charsets()
+
+Returns an array of preferred charsets ordered by the client preference.
+
+##### charsets(availableCharsets)
+
+Returns an array of preferred charsets ordered by priority from a list of
+available charsets.
+
+### Accept-Encoding Negotiation
+
+```js
+availableEncodings = ['identity', 'gzip']
+
+negotiator = new Negotiator(request)
+
+// Let's say Accept-Encoding header is 'gzip, compress;q=0.2, identity;q=0.5'
+
+negotiator.encodings()
+// -> ['gzip', 'identity', 'compress']
+
+negotiator.encodings(availableEncodings)
+// -> ['gzip', 'identity']
+
+negotiator.encoding(availableEncodings)
+// -> 'gzip'
+```
+
+You can check a working example at `examples/encoding.js`.
+
+#### Methods
+
+##### encoding()
+
+Returns the most preferred encoding from the client.
+
+##### encoding(availableEncodings)
+
+Returns the most preferred encoding from a list of available encodings.
+
+##### encodings()
+
+Returns an array of preferred encodings ordered by the client preference.
+
+##### encodings(availableEncodings)
+
+Returns an array of preferred encodings ordered by priority from a list of
+available encodings.
+
+## See Also
+
+The [accepts](https://npmjs.org/package/accepts#readme) module builds on
+this module and provides an alternative interface, mime type validation,
+and more.
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/negotiator.svg
+[npm-url]: https://npmjs.org/package/negotiator
+[node-version-image]: https://img.shields.io/node/v/negotiator.svg
+[node-version-url]: https://nodejs.org/en/download/
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/negotiator/master.svg
+[coveralls-url]: https://coveralls.io/r/jshttp/negotiator?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/negotiator.svg
+[downloads-url]: https://npmjs.org/package/negotiator
+[github-actions-ci-image]: https://img.shields.io/github/workflow/status/jshttp/negotiator/ci/master?label=ci
+[github-actions-ci-url]: https://github.com/jshttp/negotiator/actions/workflows/ci.yml
diff --git a/node_modules/negotiator/index.js b/node_modules/negotiator/index.js
new file mode 100644
index 000000000..4788264b1
--- /dev/null
+++ b/node_modules/negotiator/index.js
@@ -0,0 +1,82 @@
+/*!
+ * negotiator
+ * Copyright(c) 2012 Federico Romero
+ * Copyright(c) 2012-2014 Isaac Z. Schlueter
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+var preferredCharsets = require('./lib/charset')
+var preferredEncodings = require('./lib/encoding')
+var preferredLanguages = require('./lib/language')
+var preferredMediaTypes = require('./lib/mediaType')
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = Negotiator;
+module.exports.Negotiator = Negotiator;
+
+/**
+ * Create a Negotiator instance from a request.
+ * @param {object} request
+ * @public
+ */
+
+function Negotiator(request) {
+  if (!(this instanceof Negotiator)) {
+    return new Negotiator(request);
+  }
+
+  this.request = request;
+}
+
+Negotiator.prototype.charset = function charset(available) {
+  var set = this.charsets(available);
+  return set && set[0];
+};
+
+Negotiator.prototype.charsets = function charsets(available) {
+  return preferredCharsets(this.request.headers['accept-charset'], available);
+};
+
+Negotiator.prototype.encoding = function encoding(available) {
+  var set = this.encodings(available);
+  return set && set[0];
+};
+
+Negotiator.prototype.encodings = function encodings(available) {
+  return preferredEncodings(this.request.headers['accept-encoding'], available);
+};
+
+Negotiator.prototype.language = function language(available) {
+  var set = this.languages(available);
+  return set && set[0];
+};
+
+Negotiator.prototype.languages = function languages(available) {
+  return preferredLanguages(this.request.headers['accept-language'], available);
+};
+
+Negotiator.prototype.mediaType = function mediaType(available) {
+  var set = this.mediaTypes(available);
+  return set && set[0];
+};
+
+Negotiator.prototype.mediaTypes = function mediaTypes(available) {
+  return preferredMediaTypes(this.request.headers.accept, available);
+};
+
+// Backwards compatibility
+Negotiator.prototype.preferredCharset = Negotiator.prototype.charset;
+Negotiator.prototype.preferredCharsets = Negotiator.prototype.charsets;
+Negotiator.prototype.preferredEncoding = Negotiator.prototype.encoding;
+Negotiator.prototype.preferredEncodings = Negotiator.prototype.encodings;
+Negotiator.prototype.preferredLanguage = Negotiator.prototype.language;
+Negotiator.prototype.preferredLanguages = Negotiator.prototype.languages;
+Negotiator.prototype.preferredMediaType = Negotiator.prototype.mediaType;
+Negotiator.prototype.preferredMediaTypes = Negotiator.prototype.mediaTypes;
diff --git a/node_modules/negotiator/lib/charset.js b/node_modules/negotiator/lib/charset.js
new file mode 100644
index 000000000..cdd014803
--- /dev/null
+++ b/node_modules/negotiator/lib/charset.js
@@ -0,0 +1,169 @@
+/**
+ * negotiator
+ * Copyright(c) 2012 Isaac Z. Schlueter
+ * Copyright(c) 2014 Federico Romero
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = preferredCharsets;
+module.exports.preferredCharsets = preferredCharsets;
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var simpleCharsetRegExp = /^\s*([^\s;]+)\s*(?:;(.*))?$/;
+
+/**
+ * Parse the Accept-Charset header.
+ * @private
+ */
+
+function parseAcceptCharset(accept) {
+  var accepts = accept.split(',');
+
+  for (var i = 0, j = 0; i < accepts.length; i++) {
+    var charset = parseCharset(accepts[i].trim(), i);
+
+    if (charset) {
+      accepts[j++] = charset;
+    }
+  }
+
+  // trim accepts
+  accepts.length = j;
+
+  return accepts;
+}
+
+/**
+ * Parse a charset from the Accept-Charset header.
+ * @private
+ */
+
+function parseCharset(str, i) {
+  var match = simpleCharsetRegExp.exec(str);
+  if (!match) return null;
+
+  var charset = match[1];
+  var q = 1;
+  if (match[2]) {
+    var params = match[2].split(';')
+    for (var j = 0; j < params.length; j++) {
+      var p = params[j].trim().split('=');
+      if (p[0] === 'q') {
+        q = parseFloat(p[1]);
+        break;
+      }
+    }
+  }
+
+  return {
+    charset: charset,
+    q: q,
+    i: i
+  };
+}
+
+/**
+ * Get the priority of a charset.
+ * @private
+ */
+
+function getCharsetPriority(charset, accepted, index) {
+  var priority = {o: -1, q: 0, s: 0};
+
+  for (var i = 0; i < accepted.length; i++) {
+    var spec = specify(charset, accepted[i], index);
+
+    if (spec && (priority.s - spec.s || priority.q - spec.q || priority.o - spec.o) < 0) {
+      priority = spec;
+    }
+  }
+
+  return priority;
+}
+
+/**
+ * Get the specificity of the charset.
+ * @private
+ */
+
+function specify(charset, spec, index) {
+  var s = 0;
+  if(spec.charset.toLowerCase() === charset.toLowerCase()){
+    s |= 1;
+  } else if (spec.charset !== '*' ) {
+    return null
+  }
+
+  return {
+    i: index,
+    o: spec.i,
+    q: spec.q,
+    s: s
+  }
+}
+
+/**
+ * Get the preferred charsets from an Accept-Charset header.
+ * @public
+ */
+
+function preferredCharsets(accept, provided) {
+  // RFC 2616 sec 14.2: no header = *
+  var accepts = parseAcceptCharset(accept === undefined ? '*' : accept || '');
+
+  if (!provided) {
+    // sorted list of all charsets
+    return accepts
+      .filter(isQuality)
+      .sort(compareSpecs)
+      .map(getFullCharset);
+  }
+
+  var priorities = provided.map(function getPriority(type, index) {
+    return getCharsetPriority(type, accepts, index);
+  });
+
+  // sorted list of accepted charsets
+  return priorities.filter(isQuality).sort(compareSpecs).map(function getCharset(priority) {
+    return provided[priorities.indexOf(priority)];
+  });
+}
+
+/**
+ * Compare two specs.
+ * @private
+ */
+
+function compareSpecs(a, b) {
+  return (b.q - a.q) || (b.s - a.s) || (a.o - b.o) || (a.i - b.i) || 0;
+}
+
+/**
+ * Get full charset string.
+ * @private
+ */
+
+function getFullCharset(spec) {
+  return spec.charset;
+}
+
+/**
+ * Check if a spec has any quality.
+ * @private
+ */
+
+function isQuality(spec) {
+  return spec.q > 0;
+}
diff --git a/node_modules/negotiator/lib/encoding.js b/node_modules/negotiator/lib/encoding.js
new file mode 100644
index 000000000..8432cd77b
--- /dev/null
+++ b/node_modules/negotiator/lib/encoding.js
@@ -0,0 +1,184 @@
+/**
+ * negotiator
+ * Copyright(c) 2012 Isaac Z. Schlueter
+ * Copyright(c) 2014 Federico Romero
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = preferredEncodings;
+module.exports.preferredEncodings = preferredEncodings;
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var simpleEncodingRegExp = /^\s*([^\s;]+)\s*(?:;(.*))?$/;
+
+/**
+ * Parse the Accept-Encoding header.
+ * @private
+ */
+
+function parseAcceptEncoding(accept) {
+  var accepts = accept.split(',');
+  var hasIdentity = false;
+  var minQuality = 1;
+
+  for (var i = 0, j = 0; i < accepts.length; i++) {
+    var encoding = parseEncoding(accepts[i].trim(), i);
+
+    if (encoding) {
+      accepts[j++] = encoding;
+      hasIdentity = hasIdentity || specify('identity', encoding);
+      minQuality = Math.min(minQuality, encoding.q || 1);
+    }
+  }
+
+  if (!hasIdentity) {
+    /*
+     * If identity doesn't explicitly appear in the accept-encoding header,
+     * it's added to the list of acceptable encoding with the lowest q
+     */
+    accepts[j++] = {
+      encoding: 'identity',
+      q: minQuality,
+      i: i
+    };
+  }
+
+  // trim accepts
+  accepts.length = j;
+
+  return accepts;
+}
+
+/**
+ * Parse an encoding from the Accept-Encoding header.
+ * @private
+ */
+
+function parseEncoding(str, i) {
+  var match = simpleEncodingRegExp.exec(str);
+  if (!match) return null;
+
+  var encoding = match[1];
+  var q = 1;
+  if (match[2]) {
+    var params = match[2].split(';');
+    for (var j = 0; j < params.length; j++) {
+      var p = params[j].trim().split('=');
+      if (p[0] === 'q') {
+        q = parseFloat(p[1]);
+        break;
+      }
+    }
+  }
+
+  return {
+    encoding: encoding,
+    q: q,
+    i: i
+  };
+}
+
+/**
+ * Get the priority of an encoding.
+ * @private
+ */
+
+function getEncodingPriority(encoding, accepted, index) {
+  var priority = {o: -1, q: 0, s: 0};
+
+  for (var i = 0; i < accepted.length; i++) {
+    var spec = specify(encoding, accepted[i], index);
+
+    if (spec && (priority.s - spec.s || priority.q - spec.q || priority.o - spec.o) < 0) {
+      priority = spec;
+    }
+  }
+
+  return priority;
+}
+
+/**
+ * Get the specificity of the encoding.
+ * @private
+ */
+
+function specify(encoding, spec, index) {
+  var s = 0;
+  if(spec.encoding.toLowerCase() === encoding.toLowerCase()){
+    s |= 1;
+  } else if (spec.encoding !== '*' ) {
+    return null
+  }
+
+  return {
+    i: index,
+    o: spec.i,
+    q: spec.q,
+    s: s
+  }
+};
+
+/**
+ * Get the preferred encodings from an Accept-Encoding header.
+ * @public
+ */
+
+function preferredEncodings(accept, provided) {
+  var accepts = parseAcceptEncoding(accept || '');
+
+  if (!provided) {
+    // sorted list of all encodings
+    return accepts
+      .filter(isQuality)
+      .sort(compareSpecs)
+      .map(getFullEncoding);
+  }
+
+  var priorities = provided.map(function getPriority(type, index) {
+    return getEncodingPriority(type, accepts, index);
+  });
+
+  // sorted list of accepted encodings
+  return priorities.filter(isQuality).sort(compareSpecs).map(function getEncoding(priority) {
+    return provided[priorities.indexOf(priority)];
+  });
+}
+
+/**
+ * Compare two specs.
+ * @private
+ */
+
+function compareSpecs(a, b) {
+  return (b.q - a.q) || (b.s - a.s) || (a.o - b.o) || (a.i - b.i) || 0;
+}
+
+/**
+ * Get full encoding string.
+ * @private
+ */
+
+function getFullEncoding(spec) {
+  return spec.encoding;
+}
+
+/**
+ * Check if a spec has any quality.
+ * @private
+ */
+
+function isQuality(spec) {
+  return spec.q > 0;
+}
diff --git a/node_modules/negotiator/lib/language.js b/node_modules/negotiator/lib/language.js
new file mode 100644
index 000000000..a23167252
--- /dev/null
+++ b/node_modules/negotiator/lib/language.js
@@ -0,0 +1,179 @@
+/**
+ * negotiator
+ * Copyright(c) 2012 Isaac Z. Schlueter
+ * Copyright(c) 2014 Federico Romero
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = preferredLanguages;
+module.exports.preferredLanguages = preferredLanguages;
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var simpleLanguageRegExp = /^\s*([^\s\-;]+)(?:-([^\s;]+))?\s*(?:;(.*))?$/;
+
+/**
+ * Parse the Accept-Language header.
+ * @private
+ */
+
+function parseAcceptLanguage(accept) {
+  var accepts = accept.split(',');
+
+  for (var i = 0, j = 0; i < accepts.length; i++) {
+    var language = parseLanguage(accepts[i].trim(), i);
+
+    if (language) {
+      accepts[j++] = language;
+    }
+  }
+
+  // trim accepts
+  accepts.length = j;
+
+  return accepts;
+}
+
+/**
+ * Parse a language from the Accept-Language header.
+ * @private
+ */
+
+function parseLanguage(str, i) {
+  var match = simpleLanguageRegExp.exec(str);
+  if (!match) return null;
+
+  var prefix = match[1]
+  var suffix = match[2]
+  var full = prefix
+
+  if (suffix) full += "-" + suffix;
+
+  var q = 1;
+  if (match[3]) {
+    var params = match[3].split(';')
+    for (var j = 0; j < params.length; j++) {
+      var p = params[j].split('=');
+      if (p[0] === 'q') q = parseFloat(p[1]);
+    }
+  }
+
+  return {
+    prefix: prefix,
+    suffix: suffix,
+    q: q,
+    i: i,
+    full: full
+  };
+}
+
+/**
+ * Get the priority of a language.
+ * @private
+ */
+
+function getLanguagePriority(language, accepted, index) {
+  var priority = {o: -1, q: 0, s: 0};
+
+  for (var i = 0; i < accepted.length; i++) {
+    var spec = specify(language, accepted[i], index);
+
+    if (spec && (priority.s - spec.s || priority.q - spec.q || priority.o - spec.o) < 0) {
+      priority = spec;
+    }
+  }
+
+  return priority;
+}
+
+/**
+ * Get the specificity of the language.
+ * @private
+ */
+
+function specify(language, spec, index) {
+  var p = parseLanguage(language)
+  if (!p) return null;
+  var s = 0;
+  if(spec.full.toLowerCase() === p.full.toLowerCase()){
+    s |= 4;
+  } else if (spec.prefix.toLowerCase() === p.full.toLowerCase()) {
+    s |= 2;
+  } else if (spec.full.toLowerCase() === p.prefix.toLowerCase()) {
+    s |= 1;
+  } else if (spec.full !== '*' ) {
+    return null
+  }
+
+  return {
+    i: index,
+    o: spec.i,
+    q: spec.q,
+    s: s
+  }
+};
+
+/**
+ * Get the preferred languages from an Accept-Language header.
+ * @public
+ */
+
+function preferredLanguages(accept, provided) {
+  // RFC 2616 sec 14.4: no header = *
+  var accepts = parseAcceptLanguage(accept === undefined ? '*' : accept || '');
+
+  if (!provided) {
+    // sorted list of all languages
+    return accepts
+      .filter(isQuality)
+      .sort(compareSpecs)
+      .map(getFullLanguage);
+  }
+
+  var priorities = provided.map(function getPriority(type, index) {
+    return getLanguagePriority(type, accepts, index);
+  });
+
+  // sorted list of accepted languages
+  return priorities.filter(isQuality).sort(compareSpecs).map(function getLanguage(priority) {
+    return provided[priorities.indexOf(priority)];
+  });
+}
+
+/**
+ * Compare two specs.
+ * @private
+ */
+
+function compareSpecs(a, b) {
+  return (b.q - a.q) || (b.s - a.s) || (a.o - b.o) || (a.i - b.i) || 0;
+}
+
+/**
+ * Get full language string.
+ * @private
+ */
+
+function getFullLanguage(spec) {
+  return spec.full;
+}
+
+/**
+ * Check if a spec has any quality.
+ * @private
+ */
+
+function isQuality(spec) {
+  return spec.q > 0;
+}
diff --git a/node_modules/negotiator/lib/mediaType.js b/node_modules/negotiator/lib/mediaType.js
new file mode 100644
index 000000000..67309dd75
--- /dev/null
+++ b/node_modules/negotiator/lib/mediaType.js
@@ -0,0 +1,294 @@
+/**
+ * negotiator
+ * Copyright(c) 2012 Isaac Z. Schlueter
+ * Copyright(c) 2014 Federico Romero
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict';
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = preferredMediaTypes;
+module.exports.preferredMediaTypes = preferredMediaTypes;
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var simpleMediaTypeRegExp = /^\s*([^\s\/;]+)\/([^;\s]+)\s*(?:;(.*))?$/;
+
+/**
+ * Parse the Accept header.
+ * @private
+ */
+
+function parseAccept(accept) {
+  var accepts = splitMediaTypes(accept);
+
+  for (var i = 0, j = 0; i < accepts.length; i++) {
+    var mediaType = parseMediaType(accepts[i].trim(), i);
+
+    if (mediaType) {
+      accepts[j++] = mediaType;
+    }
+  }
+
+  // trim accepts
+  accepts.length = j;
+
+  return accepts;
+}
+
+/**
+ * Parse a media type from the Accept header.
+ * @private
+ */
+
+function parseMediaType(str, i) {
+  var match = simpleMediaTypeRegExp.exec(str);
+  if (!match) return null;
+
+  var params = Object.create(null);
+  var q = 1;
+  var subtype = match[2];
+  var type = match[1];
+
+  if (match[3]) {
+    var kvps = splitParameters(match[3]).map(splitKeyValuePair);
+
+    for (var j = 0; j < kvps.length; j++) {
+      var pair = kvps[j];
+      var key = pair[0].toLowerCase();
+      var val = pair[1];
+
+      // get the value, unwrapping quotes
+      var value = val && val[0] === '"' && val[val.length - 1] === '"'
+        ? val.substr(1, val.length - 2)
+        : val;
+
+      if (key === 'q') {
+        q = parseFloat(value);
+        break;
+      }
+
+      // store parameter
+      params[key] = value;
+    }
+  }
+
+  return {
+    type: type,
+    subtype: subtype,
+    params: params,
+    q: q,
+    i: i
+  };
+}
+
+/**
+ * Get the priority of a media type.
+ * @private
+ */
+
+function getMediaTypePriority(type, accepted, index) {
+  var priority = {o: -1, q: 0, s: 0};
+
+  for (var i = 0; i < accepted.length; i++) {
+    var spec = specify(type, accepted[i], index);
+
+    if (spec && (priority.s - spec.s || priority.q - spec.q || priority.o - spec.o) < 0) {
+      priority = spec;
+    }
+  }
+
+  return priority;
+}
+
+/**
+ * Get the specificity of the media type.
+ * @private
+ */
+
+function specify(type, spec, index) {
+  var p = parseMediaType(type);
+  var s = 0;
+
+  if (!p) {
+    return null;
+  }
+
+  if(spec.type.toLowerCase() == p.type.toLowerCase()) {
+    s |= 4
+  } else if(spec.type != '*') {
+    return null;
+  }
+
+  if(spec.subtype.toLowerCase() == p.subtype.toLowerCase()) {
+    s |= 2
+  } else if(spec.subtype != '*') {
+    return null;
+  }
+
+  var keys = Object.keys(spec.params);
+  if (keys.length > 0) {
+    if (keys.every(function (k) {
+      return spec.params[k] == '*' || (spec.params[k] || '').toLowerCase() == (p.params[k] || '').toLowerCase();
+    })) {
+      s |= 1
+    } else {
+      return null
+    }
+  }
+
+  return {
+    i: index,
+    o: spec.i,
+    q: spec.q,
+    s: s,
+  }
+}
+
+/**
+ * Get the preferred media types from an Accept header.
+ * @public
+ */
+
+function preferredMediaTypes(accept, provided) {
+  // RFC 2616 sec 14.2: no header = */*
+  var accepts = parseAccept(accept === undefined ? '*/*' : accept || '');
+
+  if (!provided) {
+    // sorted list of all types
+    return accepts
+      .filter(isQuality)
+      .sort(compareSpecs)
+      .map(getFullType);
+  }
+
+  var priorities = provided.map(function getPriority(type, index) {
+    return getMediaTypePriority(type, accepts, index);
+  });
+
+  // sorted list of accepted types
+  return priorities.filter(isQuality).sort(compareSpecs).map(function getType(priority) {
+    return provided[priorities.indexOf(priority)];
+  });
+}
+
+/**
+ * Compare two specs.
+ * @private
+ */
+
+function compareSpecs(a, b) {
+  return (b.q - a.q) || (b.s - a.s) || (a.o - b.o) || (a.i - b.i) || 0;
+}
+
+/**
+ * Get full type string.
+ * @private
+ */
+
+function getFullType(spec) {
+  return spec.type + '/' + spec.subtype;
+}
+
+/**
+ * Check if a spec has any quality.
+ * @private
+ */
+
+function isQuality(spec) {
+  return spec.q > 0;
+}
+
+/**
+ * Count the number of quotes in a string.
+ * @private
+ */
+
+function quoteCount(string) {
+  var count = 0;
+  var index = 0;
+
+  while ((index = string.indexOf('"', index)) !== -1) {
+    count++;
+    index++;
+  }
+
+  return count;
+}
+
+/**
+ * Split a key value pair.
+ * @private
+ */
+
+function splitKeyValuePair(str) {
+  var index = str.indexOf('=');
+  var key;
+  var val;
+
+  if (index === -1) {
+    key = str;
+  } else {
+    key = str.substr(0, index);
+    val = str.substr(index + 1);
+  }
+
+  return [key, val];
+}
+
+/**
+ * Split an Accept header into media types.
+ * @private
+ */
+
+function splitMediaTypes(accept) {
+  var accepts = accept.split(',');
+
+  for (var i = 1, j = 0; i < accepts.length; i++) {
+    if (quoteCount(accepts[j]) % 2 == 0) {
+      accepts[++j] = accepts[i];
+    } else {
+      accepts[j] += ',' + accepts[i];
+    }
+  }
+
+  // trim accepts
+  accepts.length = j + 1;
+
+  return accepts;
+}
+
+/**
+ * Split a string of parameters.
+ * @private
+ */
+
+function splitParameters(str) {
+  var parameters = str.split(';');
+
+  for (var i = 1, j = 0; i < parameters.length; i++) {
+    if (quoteCount(parameters[j]) % 2 == 0) {
+      parameters[++j] = parameters[i];
+    } else {
+      parameters[j] += ';' + parameters[i];
+    }
+  }
+
+  // trim parameters
+  parameters.length = j + 1;
+
+  for (var i = 0; i < parameters.length; i++) {
+    parameters[i] = parameters[i].trim();
+  }
+
+  return parameters;
+}
diff --git a/node_modules/negotiator/package.json b/node_modules/negotiator/package.json
new file mode 100644
index 000000000..297635f6d
--- /dev/null
+++ b/node_modules/negotiator/package.json
@@ -0,0 +1,42 @@
+{
+  "name": "negotiator",
+  "description": "HTTP content negotiation",
+  "version": "0.6.3",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Federico Romero <federico.romero@outboxlabs.com>",
+    "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me/)"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "http",
+    "content negotiation",
+    "accept",
+    "accept-language",
+    "accept-encoding",
+    "accept-charset"
+  ],
+  "repository": "jshttp/negotiator",
+  "devDependencies": {
+    "eslint": "7.32.0",
+    "eslint-plugin-markdown": "2.2.1",
+    "mocha": "9.1.3",
+    "nyc": "15.1.0"
+  },
+  "files": [
+    "lib/",
+    "HISTORY.md",
+    "LICENSE",
+    "index.js",
+    "README.md"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --check-leaks --bail test/",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  }
+}
diff --git a/node_modules/node-bin-setup/.github/dependabot.yml b/node_modules/node-bin-setup/.github/dependabot.yml
new file mode 100644
index 000000000..290ad0283
--- /dev/null
+++ b/node_modules/node-bin-setup/.github/dependabot.yml
@@ -0,0 +1,8 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "10:00"
+  open-pull-requests-limit: 10
diff --git a/node_modules/node-bin-setup/index.js b/node_modules/node-bin-setup/index.js
new file mode 100644
index 000000000..77fa9bbf1
--- /dev/null
+++ b/node_modules/node-bin-setup/index.js
@@ -0,0 +1,57 @@
+var spawn = require('child_process').spawn;
+var path = require('path');
+var fs = require('fs');
+
+function installArchSpecificPackage(version, require) {
+
+  process.env.npm_config_global = 'false';
+
+  var platform = process.platform == 'win32' ? 'win' : process.platform;
+  var arch = platform == 'win' && process.arch == 'ia32' ? 'x86' : process.arch;
+  var prefix = (process.platform == 'darwin' && process.arch == 'arm64') ? 'node-bin' : 'node';
+
+  var cp = spawn(platform == 'win' ? 'npm.cmd' : 'npm', ['install', '--no-save', ['node', platform, arch].join('-') + '@' + version], {
+    stdio: 'inherit',
+    shell: true
+  });
+
+  cp.on('close', function(code) {
+    var pkgJson = require.resolve([prefix, platform, arch].join('-') + '/package.json');
+    var subpkg = JSON.parse(fs.readFileSync(pkgJson, 'utf8'));
+    var executable = subpkg.bin.node;
+    var bin = path.resolve(path.dirname(pkgJson), executable);
+
+    try {
+      fs.mkdirSync(path.resolve(process.cwd(), 'bin'));
+    } catch (e) {
+      if (e.code != 'EEXIST') {
+        throw e;
+      }
+    }
+
+    linkSync(bin, path.resolve(process.cwd(), executable));
+
+    if (platform == 'win') {
+      var pkg = JSON.parse(fs.readFileSync(path.resolve(process.cwd(), 'package.json')));
+      fs.writeFileSync(path.resolve(process.cwd(), 'bin/node'), 'This file intentionally left blank');
+      pkg.bin.node = 'bin/node.exe';
+      fs.writeFileSync(path.resolve(process.cwd(), 'package.json'), JSON.stringify(pkg, null, 2));
+    }
+
+    return process.exit(code);
+
+  });
+}
+
+function linkSync(src, dest) {
+  try {
+    fs.unlinkSync(dest);
+  } catch (e) {
+    if (e.code != 'ENOENT') {
+      throw e;
+    }
+  }
+  return fs.linkSync(src, dest);
+}
+
+module.exports = installArchSpecificPackage;
diff --git a/node_modules/node-bin-setup/package.json b/node_modules/node-bin-setup/package.json
new file mode 100644
index 000000000..1829495ef
--- /dev/null
+++ b/node_modules/node-bin-setup/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "node-bin-setup",
+  "version": "1.1.0",
+  "description": "",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/aredridel/node-bin-setup.git"
+  },
+  "author": "Aria Stewart <aredridel@dinhe.net>",
+  "license": "ISC"
+}
diff --git a/node_modules/node/README.md b/node_modules/node/README.md
new file mode 100644
index 000000000..53a3ea68b
--- /dev/null
+++ b/node_modules/node/README.md
@@ -0,0 +1,34 @@
+node
+========
+
+Installs a `node` binary into your project, which because `npm` runs scripts with the local `./node_modules/.bin` in the `PATH` ahead of the system copy means you can have a local version of node that is different than your system's, and manage node as a normal dependency.
+
+Warning: don't install this globally with npm 2. `npm@2` immediately removes node, then can't run the scripts that make this work.
+
+Use
+---
+
+```
+npm i node@lts
+```
+
+Use with `npx`
+--------------
+
+```
+npx node@4 myscript.js
+```
+
+This will run `myscript.js` with the latest version of node from the v4 major.
+
+Using the shell auto-fallback of npx, you can even do it like so:
+
+
+```
+node@4 myscript.js
+```
+
+Thanks
+------
+
+Major thanks to Kat Marchán for late-night problem solving, and to CJ Silverio and Maciej Małecki for egging me on way back when I had the idea to package node up this way. It does turn out if you ask "why _not_?!" once in a while something fun happens.
diff --git a/node_modules/node/bin/node b/node_modules/node/bin/node
new file mode 100644
index 000000000..20efe38d3
--- /dev/null
+++ b/node_modules/node/bin/node
@@ -0,0 +1 @@
+This file intentionally left blank
\ No newline at end of file
diff --git a/node_modules/node/bin/node.exe b/node_modules/node/bin/node.exe
new file mode 100644
index 000000000..1b78845d8
Binary files /dev/null and b/node_modules/node/bin/node.exe differ
diff --git a/node_modules/node/installArchSpecificPackage.js b/node_modules/node/installArchSpecificPackage.js
new file mode 100644
index 000000000..6d73973db
--- /dev/null
+++ b/node_modules/node/installArchSpecificPackage.js
@@ -0,0 +1 @@
+require('node-bin-setup')("16.17.1", require)
\ No newline at end of file
diff --git a/node_modules/node/node_modules/.bin/node b/node_modules/node/node_modules/.bin/node
new file mode 100644
index 000000000..7f30f80f0
--- /dev/null
+++ b/node_modules/node/node_modules/.bin/node
@@ -0,0 +1,8 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+exec "$basedir/../node-win-x64/bin/node.exe"   "$@"
diff --git a/node_modules/node/node_modules/.bin/node.cmd b/node_modules/node/node_modules/.bin/node.cmd
new file mode 100644
index 000000000..9c252c07c
--- /dev/null
+++ b/node_modules/node/node_modules/.bin/node.cmd
@@ -0,0 +1,9 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+"%dp0%\..\node-win-x64\bin\node.exe"   %*
diff --git a/node_modules/node/node_modules/.bin/node.ps1 b/node_modules/node/node_modules/.bin/node.ps1
new file mode 100644
index 000000000..97b073fae
--- /dev/null
+++ b/node_modules/node/node_modules/.bin/node.ps1
@@ -0,0 +1,16 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+# Support pipeline input
+if ($MyInvocation.ExpectingInput) {
+  $input | & "$basedir/../node-win-x64/bin/node.exe"   $args
+} else {
+  & "$basedir/../node-win-x64/bin/node.exe"   $args
+}
+exit $LASTEXITCODE
diff --git a/node_modules/node/node_modules/.package-lock.json b/node_modules/node/node_modules/.package-lock.json
new file mode 100644
index 000000000..7754155b4
--- /dev/null
+++ b/node_modules/node/node_modules/.package-lock.json
@@ -0,0 +1,21 @@
+{
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "node_modules/node-bin-setup": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/node-bin-setup/-/node-bin-setup-1.1.0.tgz",
+      "integrity": "sha512-pTeU6NgUrexiLNtd+AKwvg6cngHMvj5FZ5e2bbv2ogBSIc9yhkXSSaTScfSRZnwHIh5YFmYSYlemLWkiKD7rog=="
+    },
+    "node_modules/node-win-x64": {
+      "version": "16.17.1",
+      "resolved": "https://registry.npmjs.org/node-win-x64/-/node-win-x64-16.17.1.tgz",
+      "integrity": "sha512-Cp8KnlmmLS2VU6PURSc8QoTSRIo1EHYt23h8J6A3KkR0gudJiB1+61EyKYnkEV9UrwSkHBmiVSg2AmTHSZq+cw==",
+      "cpu": "x64",
+      "os": "win32",
+      "bin": {
+        "node": "bin/node.exe"
+      }
+    }
+  }
+}
diff --git a/node_modules/node/node_modules/node-bin-setup/.github/dependabot.yml b/node_modules/node/node_modules/node-bin-setup/.github/dependabot.yml
new file mode 100644
index 000000000..290ad0283
--- /dev/null
+++ b/node_modules/node/node_modules/node-bin-setup/.github/dependabot.yml
@@ -0,0 +1,8 @@
+version: 2
+updates:
+- package-ecosystem: npm
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "10:00"
+  open-pull-requests-limit: 10
diff --git a/node_modules/node/node_modules/node-bin-setup/index.js b/node_modules/node/node_modules/node-bin-setup/index.js
new file mode 100644
index 000000000..77fa9bbf1
--- /dev/null
+++ b/node_modules/node/node_modules/node-bin-setup/index.js
@@ -0,0 +1,57 @@
+var spawn = require('child_process').spawn;
+var path = require('path');
+var fs = require('fs');
+
+function installArchSpecificPackage(version, require) {
+
+  process.env.npm_config_global = 'false';
+
+  var platform = process.platform == 'win32' ? 'win' : process.platform;
+  var arch = platform == 'win' && process.arch == 'ia32' ? 'x86' : process.arch;
+  var prefix = (process.platform == 'darwin' && process.arch == 'arm64') ? 'node-bin' : 'node';
+
+  var cp = spawn(platform == 'win' ? 'npm.cmd' : 'npm', ['install', '--no-save', ['node', platform, arch].join('-') + '@' + version], {
+    stdio: 'inherit',
+    shell: true
+  });
+
+  cp.on('close', function(code) {
+    var pkgJson = require.resolve([prefix, platform, arch].join('-') + '/package.json');
+    var subpkg = JSON.parse(fs.readFileSync(pkgJson, 'utf8'));
+    var executable = subpkg.bin.node;
+    var bin = path.resolve(path.dirname(pkgJson), executable);
+
+    try {
+      fs.mkdirSync(path.resolve(process.cwd(), 'bin'));
+    } catch (e) {
+      if (e.code != 'EEXIST') {
+        throw e;
+      }
+    }
+
+    linkSync(bin, path.resolve(process.cwd(), executable));
+
+    if (platform == 'win') {
+      var pkg = JSON.parse(fs.readFileSync(path.resolve(process.cwd(), 'package.json')));
+      fs.writeFileSync(path.resolve(process.cwd(), 'bin/node'), 'This file intentionally left blank');
+      pkg.bin.node = 'bin/node.exe';
+      fs.writeFileSync(path.resolve(process.cwd(), 'package.json'), JSON.stringify(pkg, null, 2));
+    }
+
+    return process.exit(code);
+
+  });
+}
+
+function linkSync(src, dest) {
+  try {
+    fs.unlinkSync(dest);
+  } catch (e) {
+    if (e.code != 'ENOENT') {
+      throw e;
+    }
+  }
+  return fs.linkSync(src, dest);
+}
+
+module.exports = installArchSpecificPackage;
diff --git a/node_modules/node/node_modules/node-bin-setup/package.json b/node_modules/node/node_modules/node-bin-setup/package.json
new file mode 100644
index 000000000..1829495ef
--- /dev/null
+++ b/node_modules/node/node_modules/node-bin-setup/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "node-bin-setup",
+  "version": "1.1.0",
+  "description": "",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/aredridel/node-bin-setup.git"
+  },
+  "author": "Aria Stewart <aredridel@dinhe.net>",
+  "license": "ISC"
+}
diff --git a/node_modules/node/node_modules/node-win-x64/bin/node.exe b/node_modules/node/node_modules/node-win-x64/bin/node.exe
new file mode 100644
index 000000000..1b78845d8
Binary files /dev/null and b/node_modules/node/node_modules/node-win-x64/bin/node.exe differ
diff --git a/node_modules/node/node_modules/node-win-x64/package.json b/node_modules/node/node_modules/node-win-x64/package.json
new file mode 100644
index 000000000..1804d5834
--- /dev/null
+++ b/node_modules/node/node_modules/node-win-x64/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "node-win-x64",
+  "version": "v16.17.1",
+  "description": "node",
+  "bin": {
+    "node": "bin/node.exe"
+  },
+  "files": [
+    "bin/node.exe",
+    "share",
+    "include",
+    "*.md",
+    "LICENSE"
+  ],
+  "os": "win32",
+  "cpu": "x64"
+}
\ No newline at end of file
diff --git a/node_modules/node/package.json b/node_modules/node/package.json
new file mode 100644
index 000000000..7ce9b9cd7
--- /dev/null
+++ b/node_modules/node/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "node",
+  "version": "16.17.1",
+  "description": "node",
+  "main": "index.js",
+  "keywords": [
+    "runtime"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/aredridel/node-bin-gen"
+  },
+  "scripts": {
+    "preinstall": "node installArchSpecificPackage"
+  },
+  "bin": {
+    "node": "bin/node.exe"
+  },
+  "dependencies": {
+    "node-bin-setup": "^1.0.0"
+  },
+  "license": "ISC",
+  "author": "",
+  "engines": {
+    "npm": ">=5.0.0"
+  }
+}
\ No newline at end of file
diff --git a/node_modules/oauth-sign/LICENSE b/node_modules/oauth-sign/LICENSE
new file mode 100644
index 000000000..a4a9aee0c
--- /dev/null
+++ b/node_modules/oauth-sign/LICENSE
@@ -0,0 +1,55 @@
+Apache License
+
+Version 2.0, January 2004
+
+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+"License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document.
+
+"Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License.
+
+"Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.
+
+"You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
+
+"Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files.
+
+"Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types.
+
+"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below).
+
+"Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof.
+
+"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
+
+"Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work.
+
+2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
+
+3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed.
+
+4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions:
+
+You must give any other recipients of the Work or Derivative Works a copy of this License; and
+
+You must cause any modified files to carry prominent notices stating that You changed the files; and
+
+You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and
+
+If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License. You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License.
+
+5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.
+
+6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.
+
+8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
+
+END OF TERMS AND CONDITIONS
\ No newline at end of file
diff --git a/node_modules/oauth-sign/README.md b/node_modules/oauth-sign/README.md
new file mode 100644
index 000000000..549cbbafa
--- /dev/null
+++ b/node_modules/oauth-sign/README.md
@@ -0,0 +1,11 @@
+oauth-sign
+==========
+
+OAuth 1 signing. Formerly a vendor lib in mikeal/request, now a standalone module. 
+
+## Supported Method Signatures
+
+- HMAC-SHA1
+- HMAC-SHA256
+- RSA-SHA1
+- PLAINTEXT
\ No newline at end of file
diff --git a/node_modules/oauth-sign/index.js b/node_modules/oauth-sign/index.js
new file mode 100644
index 000000000..6482f77b5
--- /dev/null
+++ b/node_modules/oauth-sign/index.js
@@ -0,0 +1,146 @@
+var crypto = require('crypto')
+
+function sha (key, body, algorithm) {
+  return crypto.createHmac(algorithm, key).update(body).digest('base64')
+}
+
+function rsa (key, body) {
+  return crypto.createSign('RSA-SHA1').update(body).sign(key, 'base64')
+}
+
+function rfc3986 (str) {
+  return encodeURIComponent(str)
+    .replace(/!/g,'%21')
+    .replace(/\*/g,'%2A')
+    .replace(/\(/g,'%28')
+    .replace(/\)/g,'%29')
+    .replace(/'/g,'%27')
+}
+
+// Maps object to bi-dimensional array
+// Converts { foo: 'A', bar: [ 'b', 'B' ]} to
+// [ ['foo', 'A'], ['bar', 'b'], ['bar', 'B'] ]
+function map (obj) {
+  var key, val, arr = []
+  for (key in obj) {
+    val = obj[key]
+    if (Array.isArray(val))
+      for (var i = 0; i < val.length; i++)
+        arr.push([key, val[i]])
+    else if (typeof val === 'object')
+      for (var prop in val)
+        arr.push([key + '[' + prop + ']', val[prop]])
+    else
+      arr.push([key, val])
+  }
+  return arr
+}
+
+// Compare function for sort
+function compare (a, b) {
+  return a > b ? 1 : a < b ? -1 : 0
+}
+
+function generateBase (httpMethod, base_uri, params) {
+  // adapted from https://dev.twitter.com/docs/auth/oauth and 
+  // https://dev.twitter.com/docs/auth/creating-signature
+
+  // Parameter normalization
+  // http://tools.ietf.org/html/rfc5849#section-3.4.1.3.2
+  var normalized = map(params)
+  // 1.  First, the name and value of each parameter are encoded
+  .map(function (p) {
+    return [ rfc3986(p[0]), rfc3986(p[1] || '') ]
+  })
+  // 2.  The parameters are sorted by name, using ascending byte value
+  //     ordering.  If two or more parameters share the same name, they
+  //     are sorted by their value.
+  .sort(function (a, b) {
+    return compare(a[0], b[0]) || compare(a[1], b[1])
+  })
+  // 3.  The name of each parameter is concatenated to its corresponding
+  //     value using an "=" character (ASCII code 61) as a separator, even
+  //     if the value is empty.
+  .map(function (p) { return p.join('=') })
+   // 4.  The sorted name/value pairs are concatenated together into a
+   //     single string by using an "&" character (ASCII code 38) as
+   //     separator.
+  .join('&')
+
+  var base = [
+    rfc3986(httpMethod ? httpMethod.toUpperCase() : 'GET'),
+    rfc3986(base_uri),
+    rfc3986(normalized)
+  ].join('&')
+
+  return base
+}
+
+function hmacsign (httpMethod, base_uri, params, consumer_secret, token_secret) {
+  var base = generateBase(httpMethod, base_uri, params)
+  var key = [
+    consumer_secret || '',
+    token_secret || ''
+  ].map(rfc3986).join('&')
+
+  return sha(key, base, 'sha1')
+}
+
+function hmacsign256 (httpMethod, base_uri, params, consumer_secret, token_secret) {
+  var base = generateBase(httpMethod, base_uri, params)
+  var key = [
+    consumer_secret || '',
+    token_secret || ''
+  ].map(rfc3986).join('&')
+
+  return sha(key, base, 'sha256')
+}
+
+function rsasign (httpMethod, base_uri, params, private_key, token_secret) {
+  var base = generateBase(httpMethod, base_uri, params)
+  var key = private_key || ''
+
+  return rsa(key, base)
+}
+
+function plaintext (consumer_secret, token_secret) {
+  var key = [
+    consumer_secret || '',
+    token_secret || ''
+  ].map(rfc3986).join('&')
+
+  return key
+}
+
+function sign (signMethod, httpMethod, base_uri, params, consumer_secret, token_secret) {
+  var method
+  var skipArgs = 1
+
+  switch (signMethod) {
+    case 'RSA-SHA1':
+      method = rsasign
+      break
+    case 'HMAC-SHA1':
+      method = hmacsign
+      break
+    case 'HMAC-SHA256':
+      method = hmacsign256
+      break
+    case 'PLAINTEXT':
+      method = plaintext
+      skipArgs = 4
+      break
+    default:
+     throw new Error('Signature method not supported: ' + signMethod)
+  }
+
+  return method.apply(null, [].slice.call(arguments, skipArgs))
+}
+
+exports.hmacsign = hmacsign
+exports.hmacsign256 = hmacsign256
+exports.rsasign = rsasign
+exports.plaintext = plaintext
+exports.sign = sign
+exports.rfc3986 = rfc3986
+exports.generateBase = generateBase
\ No newline at end of file
diff --git a/node_modules/oauth-sign/package.json b/node_modules/oauth-sign/package.json
new file mode 100644
index 000000000..036d2b0bc
--- /dev/null
+++ b/node_modules/oauth-sign/package.json
@@ -0,0 +1,23 @@
+{
+  "author": "Mikeal Rogers <mikeal.rogers@gmail.com> (http://www.futurealoof.com)",
+  "name": "oauth-sign",
+  "description": "OAuth 1 signing. Formerly a vendor lib in mikeal/request, now a standalone module.",
+  "version": "0.9.0",
+  "license": "Apache-2.0",
+  "repository": {
+    "url": "https://github.com/mikeal/oauth-sign"
+  },
+  "main": "index.js",
+  "files": [
+    "index.js"
+  ],
+  "dependencies": {},
+  "devDependencies": {},
+  "optionalDependencies": {},
+  "engines": {
+    "node": "*"
+  },
+  "scripts": {
+    "test": "node test.js"
+  }
+}
diff --git a/node_modules/oauth/.npmignore b/node_modules/oauth/.npmignore
new file mode 100644
index 000000000..3c3629e64
--- /dev/null
+++ b/node_modules/oauth/.npmignore
@@ -0,0 +1 @@
+node_modules
diff --git a/node_modules/oauth/LICENSE b/node_modules/oauth/LICENSE
new file mode 100644
index 000000000..f8049f8c3
--- /dev/null
+++ b/node_modules/oauth/LICENSE
@@ -0,0 +1,8 @@
+The MIT License (MIT)
+Copyright (c) <2010-2012> <Ciaran Jessup>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/oauth/Makefile b/node_modules/oauth/Makefile
new file mode 100644
index 000000000..7723a3900
--- /dev/null
+++ b/node_modules/oauth/Makefile
@@ -0,0 +1,7 @@
+#
+# Run all tests
+#
+test:
+	@@node_modules/.bin/vows tests/*tests.js --spec
+
+.PHONY: test install
diff --git a/node_modules/oauth/Readme.md b/node_modules/oauth/Readme.md
new file mode 100644
index 000000000..bfbb80580
--- /dev/null
+++ b/node_modules/oauth/Readme.md
@@ -0,0 +1,190 @@
+node-oauth
+===========
+A simple oauth API for node.js .  This API allows users to authenticate against OAUTH providers, and thus act as OAuth consumers. It also has support for OAuth Echo, which is used for communicating with 3rd party media providers such as TwitPic and yFrog.
+
+Tested against Twitter (http://twitter.com), term.ie (http://term.ie/oauth/example/), TwitPic, and Yahoo!
+
+Also provides rudimentary OAuth2 support, tested against facebook, github, foursquare, google and Janrain.   For more complete usage examples please take a look at connect-auth (http://github.com/ciaranj/connect-auth)
+
+[![Clone in Koding](http://learn.koding.com/btn/clone_d.png)][koding]
+[koding]: https://koding.com/Teamwork?import=https://github.com/ciaranj/node-oauth/archive/master.zip&c=git1
+[![Pair on Thinkful](https://tf-assets-staging.s3.amazonaws.com/badges/thinkful_repo_badge.svg)][Thinkful]
+[Thinkful]: http://start.thinkful.com/node/?utm_source=github&utm_medium=badge&utm_campaign=node-oauth
+
+Installation
+============== 
+
+    $ npm install oauth
+
+
+Examples
+==========
+
+To run examples/tests install Mocha `$ npm install -g mocha` and run `$ mocha you-file-name.js`:
+
+## OAuth1.0
+
+```javascript
+describe('OAuth1.0',function(){
+  var OAuth = require('oauth');
+
+  it('tests trends Twitter API v1.1',function(done){
+    var oauth = new OAuth.OAuth(
+      'https://api.twitter.com/oauth/request_token',
+      'https://api.twitter.com/oauth/access_token',
+      'your application consumer key',
+      'your application secret',
+      '1.0A',
+      null,
+      'HMAC-SHA1'
+    );
+    oauth.get(
+      'https://api.twitter.com/1.1/trends/place.json?id=23424977',
+      'your user token for this app', //test user token
+      'your user secret for this app', //test user secret            
+      function (e, data, res){
+        if (e) console.error(e);        
+        console.log(require('util').inspect(data));
+        done();      
+      });    
+  });
+});
+```
+
+## OAuth2.0 
+```javascript
+describe('OAuth2',function(){
+  var OAuth = require('oauth');
+
+   it('gets bearer token', function(done){
+     var OAuth2 = OAuth.OAuth2;    
+     var twitterConsumerKey = 'your key';
+     var twitterConsumerSecret = 'your secret';
+     var oauth2 = new OAuth2(server.config.keys.twitter.consumerKey,
+       twitterConsumerSecret, 
+       'https://api.twitter.com/', 
+       null,
+       'oauth2/token', 
+       null);
+     oauth2.getOAuthAccessToken(
+       '',
+       {'grant_type':'client_credentials'},
+       function (e, access_token, refresh_token, results){
+       console.log('bearer: ',access_token);
+       done();
+     });
+   });
+```
+
+Change History
+============== 
+* 0.9.15
+    - OAuth2:   Allow specification of agent
+* 0.9.14
+    - OAuth2:   Extend 'successful' token responses to include anything in the 2xx range.
+* 0.9.13
+    - OAuth2:   Fixes the "createCredentials() is deprecated, use tls.createSecureContext instead" message. (thank you AJ ONeal)
+* 0.9.12
+    - OAuth1/2: Can now pass Buffer instance directly for PUTs+POSTs (thank you Evan Prodromou)
+    - OAuth1:   Improve interoperability with libraries that mess with the prototype. (thank you Jose Ignacio Andres)
+    - OAuth2:   Adds PUT support for OAuth2 (thank you Derek Brooks)
+    - OAuth1:   Improves use_strict compatibility (thank you Ted Goddard)
+* 0.9.11
+    - OAuth2:   No longer sends the type=webserver argument with the OAuth2 requests (thank you bendiy)
+    - OAuth2:   Provides a default (and overrideable) User-Agent header (thanks to Andrew Martens & Daniel Mahlow)
+    - OAuth1:   New followRedirects client option (true by default) (thanks to Pieter Joost van de Sande)
+    - OAuth1:   Adds RSA-SHA1 support (thanks to Jeffrey D. Van Alstine  & Michael Garvin &  Andreas Knecht)
+* 0.9.10
+    - OAuth2:   Addresses 2 issues that came in with 0.9.9, #129 & #125 (thank you José F. Romaniello)
+* 0.9.9
+    - OAuth1:   Fix the mismatch between the output of querystring.stringify() and this._encodeData(). (thank you rolandboon)
+    - OAuth2:   Adds Authorization Header and supports extra headers by default ( thanks to Brian Park)
+* 0.9.8
+    - OAuth1:   Support overly-strict OAuth server's that require whitespace separating the Authorization Header parameters  (e.g. 500px.com) (Thanks to Christian Schwarz)
+    - OAuth1:   Fix incorrect double-encoding of PLAINTEXT OAuth connections (Thanks to Joe Rozner)
+    - OAuth1:   Minor safety check added when checking hostnames. (Thanks to Garrick Cheung)
+* 0.9.7
+    - OAuth2:   Pass back any extra response data for calls to getOAuthAccessToken (Thanks to Tang Bo Hao)
+    - OAuth2:   Don't force a https request if given a http url (Thanks to Damien Mathieu)
+    - OAuth2:   Supports specifying a grant-type of 'refresh-token' (Thanks to Luke Baker)
+* 0.9.6
+    - OAuth2:   Support for 302 redirects (Thanks Patrick Negri). 
+    - OAuth1/2: Some code tidying. ( Thanks to Raoul Millais )  
+* 0.9.5
+    - OAuth1:   Allow usage of HTTP verbs other than GET for retrieving the access and request tokens (Thanks to Raoul Millais)  
+* 0.9.4
+    - OAuth1/2: Support for OAuth providers that drop connections (don't send response lengths? [Google]) 
+    - OAuth2:   Change getOAuthAccessToken to POST rather than GET ( Possible Breaking change!!! ... re-tested against Google, Github, Facebook, FourSquare and Janrain and seems ok .. is closer to the spec (v20) )  
+* 0.9.3
+    - OAuth1:   Adds support for following 301 redirects (Thanks bdickason) 
+* 0.9.2 
+    - OAuth1:   Correct content length calculated for non-ascii post bodies (Thanks selead)  
+    - OAuth1:   Allowed for configuration of the 'access token' name used when requesting protected resources (OAuth2)  
+* 0.9.1
+    - OAuth1:   Added support for automatically following 302 redirects (Thanks neyric) 
+    - OAuth1:   Added support for OAuth Echo (Thanks Ryan LeFevre). 
+    - OAuth1:   Improved handling of 2xx responses (Thanks Neil Mansilla).  
+* 0.9.0
+    - OAuth1/2: Compatibility fixes to bring node-oauth up to speed with node.js 0.4x [thanks to Rasmus Andersson for starting the work ]  
+* 0.8.4
+    - OAuth1:   Fixed issue #14 (Parameter ordering ignored encodings).
+    - OAuth1:   Added support for repeated parameter names.
+    - OAuth1/2: Implements issue #15 (Use native SHA1 if available, 10x speed improvement!).
+    - OAuth2:   Fixed issue #16 (Should use POST when requesting access tokens.).
+    - OAuth2:   Fixed Issue #17 (OAuth2 spec compliance).  
+    - OAuth1:   Implemented enhancement #13 (Adds support for PUT & DELETE http verbs). 
+    - OAuth1:   Fixes issue #18 (Complex/Composite url arguments [thanks novemberborn])  
+* 0.8.3
+    - OAuth1:   Fixed an issue where the auth header code depended on the Array's toString method (Yohei Sasaki) Updated the getOAuthRequestToken method so we can access google's OAuth secured methods. Also re-implemented and fleshed out the test suite.  
+* 0.8.2
+    - OAuth1:   The request returning methods will now write the POST body if provided (Chris Anderson), the code responsible for manipulating the headers is a bit safe now when working with other code (Paul McKellar)
+    - Package:  Tweaked the package.json to use index.js instead of main.js  
+* 0.8.1
+    - OAuth1:   Added mechanism to get hold of a signed Node Request object, ready for attaching response listeners etc. (Perfect for streaming APIs)  
+* 0.8.0
+    - OAuth1:   Standardised method capitalisation, the old getOauthAccessToken is now getOAuthAccessToken (Breaking change to existing code)  
+* 0.7.7
+    - OAuth1:   Looks like non oauth_ parameters where appearing within the Authorization headers, which I believe to be incorrect.  
+* 0.7.6
+    - OAuth1:   Added in oauth_verifier property to getAccessToken required for 1.0A  
+* 0.7.5
+    - Package:  Added in a main.js to simplify the require'ing of OAuth  
+* 0.7.4
+    - OAuth1:   Minor change to add an error listener to the OAuth client (thanks troyk)  
+* 0.7.3
+    - OAuth2:   Now sends a Content-Length Http header to keep nginx happy :)  
+* 0.7.2
+    - OAuth1:   Fixes some broken unit tests!  
+* 0.7.0
+    - OAuth1/2: Introduces support for HTTPS end points and callback URLS for OAuth 1.0A and Oauth 2 (Please be aware that this was a breaking change to the constructor arguments order)  
+
+Contributors (In no particular order)
+=====================================
+
+* Evan Prodromou
+* Jose Ignacio Andres
+* Ted Goddard
+* Derek Brooks
+* Ciaran Jessup - ciaranj@gmail.com
+* Mark Wubben - http://equalmedia.com/
+* Ryan LeFevre - http://meltingice.net
+* Raoul Millais
+* Patrick Negri - http://github.com/pnegri
+* Tang Bo Hao - http://github.com/btspoony
+* Damien Mathieu - http://42.dmathieu.com
+* Luke Baker - http://github.com/lukebaker
+* Christian Schwarz  - http://github.com/chrischw/
+* Joe Rozer - http://www.deadbytes.net
+* Garrick Cheung - http://www.garrickcheung.com/
+* rolandboon - http://rolandboon.com
+* Brian Park - http://github.com/yaru22
+* José F. Romaniello - http://github.com/jfromaniello
+* bendiy - https://github.com/bendiy
+* Andrew Martins - http://www.andrewmartens.com
+* Daniel Mahlow - https://github.com/dmahlow
+* Pieter Joost van de Sande - https://github.com/pjvds
+* Jeffrey D. Van Alstine
+* Michael Garvin
+* Andreas Knecht
+* AJ ONeal
+* Philip Skinner - https://github.com/PhilipSkinner
diff --git a/node_modules/oauth/examples/express-gdata/server.js b/node_modules/oauth/examples/express-gdata/server.js
new file mode 100644
index 000000000..3c7bf7fe8
--- /dev/null
+++ b/node_modules/oauth/examples/express-gdata/server.js
@@ -0,0 +1,168 @@
+var express = require('express'),
+	 OAuth = require('oauth').OAuth,
+	 querystring = require('querystring');
+
+// Setup the Express.js server
+var app = express.createServer();
+app.use(express.logger());
+app.use(express.bodyParser());
+app.use(express.cookieParser());
+app.use(express.session({
+	secret: "skjghskdjfhbqigohqdiouk"
+}));
+
+// Home Page
+app.get('/', function(req, res){
+	if(!req.session.oauth_access_token) {
+		res.redirect("/google_login");
+	}
+	else {
+		res.redirect("/google_contacts");
+	}
+});
+
+// Request an OAuth Request Token, and redirects the user to authorize it
+app.get('/google_login', function(req, res) {
+	
+	var getRequestTokenUrl = "https://www.google.com/accounts/OAuthGetRequestToken";
+	
+	// GData specifid: scopes that wa want access to
+	var gdataScopes = [
+		querystring.escape("https://www.google.com/m8/feeds/"),
+		querystring.escape("https://www.google.com/calendar/feeds/")
+	];
+	
+	var oa = new OAuth(getRequestTokenUrl+"?scope="+gdataScopes.join('+'),
+	                  "https://www.google.com/accounts/OAuthGetAccessToken",
+	                  "anonymous",
+	                  "anonymous",
+	                  "1.0",
+	                  "http://localhost:3000/google_cb"+( req.param('action') && req.param('action') != "" ? "?action="+querystring.escape(req.param('action')) : "" ),
+	                  "HMAC-SHA1");
+
+	oa.getOAuthRequestToken(function(error, oauth_token, oauth_token_secret, results){
+	  if(error) {
+			console.log('error');
+	 		console.log(error);
+		}
+	  else { 
+			// store the tokens in the session
+			req.session.oa = oa;
+			req.session.oauth_token = oauth_token;
+			req.session.oauth_token_secret = oauth_token_secret;
+		
+			// redirect the user to authorize the token
+	   	res.redirect("https://www.google.com/accounts/OAuthAuthorizeToken?oauth_token="+oauth_token);
+	  }
+	})
+
+});
+
+// Callback for the authorization page
+app.get('/google_cb', function(req, res) {
+		
+	// get the OAuth access token with the 'oauth_verifier' that we received
+	
+	var oa = new OAuth(req.session.oa._requestUrl,
+	                  req.session.oa._accessUrl,
+	                  req.session.oa._consumerKey,
+	                  req.session.oa._consumerSecret,
+	                  req.session.oa._version,
+	                  req.session.oa._authorize_callback,
+	                  req.session.oa._signatureMethod);
+	
+    console.log(oa);
+	
+	oa.getOAuthAccessToken(
+		req.session.oauth_token, 
+		req.session.oauth_token_secret, 
+		req.param('oauth_verifier'), 
+		function(error, oauth_access_token, oauth_access_token_secret, results2) {
+			
+			if(error) {
+				console.log('error');
+				console.log(error);
+	 		}
+	 		else {
+		
+				// store the access token in the session
+				req.session.oauth_access_token = oauth_access_token;
+				req.session.oauth_access_token_secret = oauth_access_token_secret;
+
+	    		res.redirect((req.param('action') && req.param('action') != "") ? req.param('action') : "/google_contacts");
+	 		}
+
+	});
+	
+});
+
+
+function require_google_login(req, res, next) {
+	if(!req.session.oauth_access_token) {
+		res.redirect("/google_login?action="+querystring.escape(req.originalUrl));
+		return;
+	}
+	next();
+};
+
+app.get('/google_contacts', require_google_login, function(req, res) {
+	var oa = new OAuth(req.session.oa._requestUrl,
+	                  req.session.oa._accessUrl,
+	                  req.session.oa._consumerKey,
+	                  req.session.oa._consumerSecret,
+	                  req.session.oa._version,
+	                  req.session.oa._authorize_callback,
+	                  req.session.oa._signatureMethod);
+	
+    console.log(oa);
+
+	// Example using GData API v3
+	// GData Specific Header
+	oa._headers['GData-Version'] = '3.0'; 
+	
+	oa.getProtectedResource(
+		"https://www.google.com/m8/feeds/contacts/default/full?alt=json", 
+		"GET", 
+		req.session.oauth_access_token, 
+		req.session.oauth_access_token_secret,
+		function (error, data, response) {
+			
+			var feed = JSON.parse(data);
+			
+			res.render('google_contacts.ejs', {
+				locals: { feed: feed }
+			});
+	});
+	
+});
+
+app.get('/google_calendars', require_google_login, function(req, res) {
+		var oa = new OAuth(req.session.oa._requestUrl,
+	                  req.session.oa._accessUrl,
+	                  req.session.oa._consumerKey,
+	                  req.session.oa._consumerSecret,
+	                  req.session.oa._version,
+	                  req.session.oa._authorize_callback,
+	                  req.session.oa._signatureMethod);
+	// Example using GData API v2
+	// GData Specific Header
+	oa._headers['GData-Version'] = '2'; 
+	
+	oa.getProtectedResource(
+		"https://www.google.com/calendar/feeds/default/allcalendars/full?alt=jsonc", 
+		"GET", 
+		req.session.oauth_access_token, 
+		req.session.oauth_access_token_secret,
+		function (error, data, response) {
+			
+			var feed = JSON.parse(data);
+			
+			res.render('google_calendars.ejs', {
+				locals: { feed: feed }
+			});
+	});
+	
+});
+
+app.listen(3000);
+console.log("listening on http://localhost:3000");
diff --git a/node_modules/oauth/examples/express-gdata/views/google_calendars.ejs b/node_modules/oauth/examples/express-gdata/views/google_calendars.ejs
new file mode 100644
index 000000000..15b826f87
--- /dev/null
+++ b/node_modules/oauth/examples/express-gdata/views/google_calendars.ejs
@@ -0,0 +1,21 @@
+
+<p><a href="/google_contacts">Check google_contacts</a></p>
+
+<h1>Google Calendars</h1>
+
+<% for(var i = 0 ; i < feed.data.items.length ; i++ ) { 
+  
+  var calendar = feed.data.items[i]; %>
+<div>
+  
+  <h2 style="color:white;background-color:<%= calendar["color"] %>"><%= calendar["title"] %></h2>
+  
+  <p>canEdit: <%= calendar["canEdit"] %></p>
+  <p>accessLevel: <%= calendar["accessLevel"] %></p>
+  <p>timeZone: <%= calendar["timeZone"] %></p>
+  <p>kind: <%= calendar["kind"] %></p>
+  <p>updated: <%= calendar["updated"] %></p>
+  <p>created: <%= calendar["created"] %></p>
+  
+</div>
+<% } %>
\ No newline at end of file
diff --git a/node_modules/oauth/examples/express-gdata/views/google_contacts.ejs b/node_modules/oauth/examples/express-gdata/views/google_contacts.ejs
new file mode 100644
index 000000000..a2050b210
--- /dev/null
+++ b/node_modules/oauth/examples/express-gdata/views/google_contacts.ejs
@@ -0,0 +1,24 @@
+
+<p><a href="/google_calendars">Check google_calendars</a></p>
+
+<h1>Google Contacts</h1>
+
+<% for(var i = 0 ; i < feed.feed.entry.length ; i++ ) { 
+  
+  var contact = feed.feed.entry[i]; %>
+
+<div>
+  <!-- you can access much more ! Just a sample: -->
+  <%= contact["title"]["$t"] %>
+  <% emails = contact["gd$email"] %>
+  
+  <ul>
+    <% for(var j = 0 ; j < emails.length ; j++) { %>
+      <li><%= emails[j]["address" ]%></li>
+    <% } %>
+  </ul>
+  
+</div>
+
+
+<% } %>
diff --git a/node_modules/oauth/examples/express-gdata/views/layout.ejs b/node_modules/oauth/examples/express-gdata/views/layout.ejs
new file mode 100644
index 000000000..8d1ac6d5f
--- /dev/null
+++ b/node_modules/oauth/examples/express-gdata/views/layout.ejs
@@ -0,0 +1,9 @@
+<html>
+<head>
+</head>
+<body>
+  
+<%- body %>  
+  
+</body>
+</html>
\ No newline at end of file
diff --git a/node_modules/oauth/examples/github-example.js b/node_modules/oauth/examples/github-example.js
new file mode 100644
index 000000000..1a388bdb2
--- /dev/null
+++ b/node_modules/oauth/examples/github-example.js
@@ -0,0 +1,73 @@
+var http = require('http');
+var qs = require('querystring');
+// var OAuth = require('oauth'), OAuth2 = OAuth.OAuth2;
+var OAuth2 = require('../lib/oauth2.js').OAuth2;
+
+var clientID = '';
+var clientSecret = '';
+var oauth2 = new OAuth2(clientID,
+                        clientSecret,
+                        'https://github.com/', 
+                        'login/oauth/authorize',
+                        'login/oauth/access_token',
+                        null); /** Custom headers */
+
+http.createServer(function (req, res) {
+    var p = req.url.split('/');
+    pLen = p.length;
+    
+    /**
+     * Authorised url as per github docs:
+     * https://developer.github.com/v3/oauth/#redirect-users-to-request-github-access
+     * 
+     * getAuthorizedUrl: https://github.com/ciaranj/node-oauth/blob/master/lib/oauth2.js#L148
+     * Adding params to authorize url with fields as mentioned in github docs
+     *
+     */
+    var authURL = oauth2.getAuthorizeUrl({
+        redirect_uri: 'http://localhost:8080/code',
+        scope: ['repo', 'user'],
+        state: 'some random string to protect against cross-site request forgery attacks'
+    });
+
+
+    /**
+     * Creating an anchor with authURL as href and sending as response
+     */
+    var body = '<a href="' + authURL + '"> Get Code </a>';
+    if (pLen === 2 && p[1] === '') {
+        res.writeHead(200, {
+            'Content-Length': body.length,
+            'Content-Type': 'text/html' });
+        res.end(body);
+    } else if (pLen === 2 && p[1].indexOf('code') === 0) {
+
+        /** Github sends auth code so that access_token can be obtained */
+        var qsObj = {};
+        
+        /** To obtain and parse code='...' from code?code='...' */
+        qsObj = qs.parse(p[1].split('?')[1]); 
+
+        /** Obtaining access_token */
+        oauth2.getOAuthAccessToken(
+            qsObj.code,
+            {'redirect_uri': 'http://localhost:8080/code/'},
+            function (e, access_token, refresh_token, results){
+                if (e) {
+                    console.log(e);
+                    res.end(e);
+                } else if (results.error) {
+                    console.log(results);
+                    res.end(JSON.stringify(results));
+                }
+                else {
+                    console.log('Obtained access_token: ', access_token);
+                    res.end( access_token);
+                }
+        });
+
+    } else {
+        // Unhandled url
+    }
+
+}).listen(8080);
diff --git a/node_modules/oauth/examples/term.ie.oauth-HMAC-SHA1.js b/node_modules/oauth/examples/term.ie.oauth-HMAC-SHA1.js
new file mode 100644
index 000000000..91af05db7
--- /dev/null
+++ b/node_modules/oauth/examples/term.ie.oauth-HMAC-SHA1.js
@@ -0,0 +1,31 @@
+var util= require('util')
+
+var OAuth= require('../lib/oauth').OAuth;
+
+var oa= new OAuth("http://term.ie/oauth/example/request_token.php",
+                  "http://term.ie/oauth/example/access_token.php",
+                  "key",
+                  "secret",
+                  "1.0",
+                  null,
+                  "HMAC-SHA1")
+
+oa.getOAuthRequestToken(function(error, oauth_token, oauth_token_secret, results){
+  if(error) util.puts('error :' + error)
+  else { 
+    util.puts('oauth_token :' + oauth_token)
+    util.puts('oauth_token_secret :' + oauth_token_secret)
+    util.puts('requestoken results :' + util.inspect(results))
+    util.puts("Requesting access token")
+    oa.getOAuthAccessToken(oauth_token, oauth_token_secret, function(error, oauth_access_token, oauth_access_token_secret, results2) {
+      util.puts('oauth_access_token :' + oauth_access_token)
+      util.puts('oauth_token_secret :' + oauth_access_token_secret)
+      util.puts('accesstoken results :' + util.inspect(results2))
+      util.puts("Requesting access token")
+      var data= "";
+      oa.getProtectedResource("http://term.ie/oauth/example/echo_api.php?foo=bar&too=roo", "GET", oauth_access_token, oauth_access_token_secret,  function (error, data, response) {
+          util.puts(data);
+      });
+    });
+  }
+})
diff --git a/node_modules/oauth/examples/twitter-example.js b/node_modules/oauth/examples/twitter-example.js
new file mode 100644
index 000000000..90b6adcb2
--- /dev/null
+++ b/node_modules/oauth/examples/twitter-example.js
@@ -0,0 +1,75 @@
+var http = require('http');
+var OAuth = require('../lib/oauth.js').OAuth;
+var nodeUrl = require('url');
+var clientID = '';
+var clientSecret = '';
+var callbackURL = '';
+
+oa = new OAuth(
+    'https://api.twitter.com/oauth/request_token',
+    'https://api.twitter.com/oauth/access_token',
+    clientID,
+    clientSecret,
+    '1.0',
+    callbackURL,
+    'HMAC-SHA1'
+);
+
+http.createServer(function (request, response) {
+    oa.getOAuthRequestToken(function (error, oAuthToken, oAuthTokenSecret, results) {
+        var urlObj = nodeUrl.parse(request.url, true);
+        var authURL = 'https://twitter.com/' +
+                'oauth/authenticate?oauth_token=' + oAuthToken;
+        var handlers = {
+            '/': function (request, response) {
+                /**
+                 * Creating an anchor with authURL as href and sending as response
+                 */
+                var body = '<a href="' + authURL + '"> Get Code </a>';
+                response.writeHead(200, {
+                    'Content-Length': body.length,
+                    'Content-Type': 'text/html' });
+                response.end(body);
+            },
+            '/callback': function (request, response) {
+                /** Obtaining access_token */
+                var getOAuthRequestTokenCallback = function (error, oAuthAccessToken,
+                                                             oAuthAccessTokenSecret, results) {
+                    if (error) {
+                        console.log(error);
+                        response.end(JSON.stringify({
+                            message: 'Error occured while getting access token',
+                            error: error
+                        }));
+                        return;
+                    }
+
+                    oa.get('https://api.twitter.com/1.1/account/verify_credentials.json',
+                           oAuthAccessToken,
+                           oAuthAccessTokenSecret,
+                           function (error, twitterResponseData, result) {
+                               if (error) {
+                                   console.log(error)
+                                   res.end(JSON.stringify(error));
+                                   return;
+                               }
+                               try {
+                                   console.log(JSON.parse(twitterResponseData));
+                               } catch (parseError) {
+                                   console.log(parseError);
+                               }
+                               console.log(twitterResponseData);
+                               response.end(twitterResponseData);
+                           });
+                };
+
+                oa.getOAuthAccessToken(urlObj.query.oauth_token, oAuthTokenSecret,
+                                       urlObj.query.oauth_verifier,
+                                       getOAuthRequestTokenCallback);
+
+            }
+        };
+        handlers[urlObj.pathname](request, response);
+    })
+
+}).listen(3000);
diff --git a/node_modules/oauth/index.js b/node_modules/oauth/index.js
new file mode 100644
index 000000000..e20716dd7
--- /dev/null
+++ b/node_modules/oauth/index.js
@@ -0,0 +1,3 @@
+exports.OAuth = require("./lib/oauth").OAuth;
+exports.OAuthEcho = require("./lib/oauth").OAuthEcho;
+exports.OAuth2 = require("./lib/oauth2").OAuth2;
\ No newline at end of file
diff --git a/node_modules/oauth/lib/_utils.js b/node_modules/oauth/lib/_utils.js
new file mode 100644
index 000000000..69fc30099
--- /dev/null
+++ b/node_modules/oauth/lib/_utils.js
@@ -0,0 +1,4 @@
+// Returns true if this is a host that closes *before* it ends?!?!
+module.exports.isAnEarlyCloseHost= function( hostName ) {
+  return hostName && hostName.match(".*google(apis)?.com$")
+}
\ No newline at end of file
diff --git a/node_modules/oauth/lib/oauth.js b/node_modules/oauth/lib/oauth.js
new file mode 100644
index 000000000..50dccf99a
--- /dev/null
+++ b/node_modules/oauth/lib/oauth.js
@@ -0,0 +1,581 @@
+var crypto= require('crypto'),
+    sha1= require('./sha1'),
+    http= require('http'),
+    https= require('https'),
+    URL= require('url'),
+    querystring= require('querystring'),
+    OAuthUtils= require('./_utils');
+
+exports.OAuth= function(requestUrl, accessUrl, consumerKey, consumerSecret, version, authorize_callback, signatureMethod, nonceSize, customHeaders) {
+  this._isEcho = false;
+
+  this._requestUrl= requestUrl;
+  this._accessUrl= accessUrl;
+  this._consumerKey= consumerKey;
+  this._consumerSecret= this._encodeData( consumerSecret );
+  if (signatureMethod == "RSA-SHA1") {
+    this._privateKey = consumerSecret;
+  }
+  this._version= version;
+  if( authorize_callback === undefined ) {
+    this._authorize_callback= "oob";
+  }
+  else {
+    this._authorize_callback= authorize_callback;
+  }
+
+  if( signatureMethod != "PLAINTEXT" && signatureMethod != "HMAC-SHA1" && signatureMethod != "RSA-SHA1")
+    throw new Error("Un-supported signature method: " + signatureMethod )
+  this._signatureMethod= signatureMethod;
+  this._nonceSize= nonceSize || 32;
+  this._headers= customHeaders || {"Accept" : "*/*",
+                                   "Connection" : "close",
+                                   "User-Agent" : "Node authentication"}
+  this._clientOptions= this._defaultClientOptions= {"requestTokenHttpMethod": "POST",
+                                                    "accessTokenHttpMethod": "POST",
+                                                    "followRedirects": true};
+  this._oauthParameterSeperator = ",";
+};
+
+exports.OAuthEcho= function(realm, verify_credentials, consumerKey, consumerSecret, version, signatureMethod, nonceSize, customHeaders) {
+  this._isEcho = true;
+
+  this._realm= realm;
+  this._verifyCredentials = verify_credentials;
+  this._consumerKey= consumerKey;
+  this._consumerSecret= this._encodeData( consumerSecret );
+  if (signatureMethod == "RSA-SHA1") {
+    this._privateKey = consumerSecret;
+  }
+  this._version= version;
+
+  if( signatureMethod != "PLAINTEXT" && signatureMethod != "HMAC-SHA1" && signatureMethod != "RSA-SHA1")
+    throw new Error("Un-supported signature method: " + signatureMethod );
+  this._signatureMethod= signatureMethod;
+  this._nonceSize= nonceSize || 32;
+  this._headers= customHeaders || {"Accept" : "*/*",
+                                   "Connection" : "close",
+                                   "User-Agent" : "Node authentication"};
+  this._oauthParameterSeperator = ",";
+}
+
+exports.OAuthEcho.prototype = exports.OAuth.prototype;
+
+exports.OAuth.prototype._getTimestamp= function() {
+  return Math.floor( (new Date()).getTime() / 1000 );
+}
+
+exports.OAuth.prototype._encodeData= function(toEncode){
+ if( toEncode == null || toEncode == "" ) return ""
+ else {
+    var result= encodeURIComponent(toEncode);
+    // Fix the mismatch between OAuth's  RFC3986's and Javascript's beliefs in what is right and wrong ;)
+    return result.replace(/\!/g, "%21")
+                 .replace(/\'/g, "%27")
+                 .replace(/\(/g, "%28")
+                 .replace(/\)/g, "%29")
+                 .replace(/\*/g, "%2A");
+ }
+}
+
+exports.OAuth.prototype._decodeData= function(toDecode) {
+  if( toDecode != null ) {
+    toDecode = toDecode.replace(/\+/g, " ");
+  }
+  return decodeURIComponent( toDecode);
+}
+
+exports.OAuth.prototype._getSignature= function(method, url, parameters, tokenSecret) {
+  var signatureBase= this._createSignatureBase(method, url, parameters);
+  return this._createSignature( signatureBase, tokenSecret );
+}
+
+exports.OAuth.prototype._normalizeUrl= function(url) {
+  var parsedUrl= URL.parse(url, true)
+   var port ="";
+   if( parsedUrl.port ) {
+     if( (parsedUrl.protocol == "http:" && parsedUrl.port != "80" ) ||
+         (parsedUrl.protocol == "https:" && parsedUrl.port != "443") ) {
+           port= ":" + parsedUrl.port;
+         }
+   }
+
+  if( !parsedUrl.pathname  || parsedUrl.pathname == "" ) parsedUrl.pathname ="/";
+
+  return parsedUrl.protocol + "//" + parsedUrl.hostname + port + parsedUrl.pathname;
+}
+
+// Is the parameter considered an OAuth parameter
+exports.OAuth.prototype._isParameterNameAnOAuthParameter= function(parameter) {
+  var m = parameter.match('^oauth_');
+  if( m && ( m[0] === "oauth_" ) ) {
+    return true;
+  }
+  else {
+    return false;
+  }
+};
+
+// build the OAuth request authorization header
+exports.OAuth.prototype._buildAuthorizationHeaders= function(orderedParameters) {
+  var authHeader="OAuth ";
+  if( this._isEcho ) {
+    authHeader += 'realm="' + this._realm + '",';
+  }
+
+  for( var i= 0 ; i < orderedParameters.length; i++) {
+     // Whilst the all the parameters should be included within the signature, only the oauth_ arguments
+     // should appear within the authorization header.
+     if( this._isParameterNameAnOAuthParameter(orderedParameters[i][0]) ) {
+      authHeader+= "" + this._encodeData(orderedParameters[i][0])+"=\""+ this._encodeData(orderedParameters[i][1])+"\""+ this._oauthParameterSeperator;
+     }
+  }
+
+  authHeader= authHeader.substring(0, authHeader.length-this._oauthParameterSeperator.length);
+  return authHeader;
+}
+
+// Takes an object literal that represents the arguments, and returns an array
+// of argument/value pairs.
+exports.OAuth.prototype._makeArrayOfArgumentsHash= function(argumentsHash) {
+  var argument_pairs= [];
+  for(var key in argumentsHash ) {
+    if (argumentsHash.hasOwnProperty(key)) {
+       var value= argumentsHash[key];
+       if( Array.isArray(value) ) {
+         for(var i=0;i<value.length;i++) {
+           argument_pairs[argument_pairs.length]= [key, value[i]];
+         }
+       }
+       else {
+         argument_pairs[argument_pairs.length]= [key, value];
+       }
+    }
+  }
+  return argument_pairs;
+}
+
+// Sorts the encoded key value pairs by encoded name, then encoded value
+exports.OAuth.prototype._sortRequestParams= function(argument_pairs) {
+  // Sort by name, then value.
+  argument_pairs.sort(function(a,b) {
+      if ( a[0]== b[0] )  {
+        return a[1] < b[1] ? -1 : 1;
+      }
+      else return a[0] < b[0] ? -1 : 1;
+  });
+
+  return argument_pairs;
+}
+
+exports.OAuth.prototype._normaliseRequestParams= function(args) {
+  var argument_pairs= this._makeArrayOfArgumentsHash(args);
+  // First encode them #3.4.1.3.2 .1
+  for(var i=0;i<argument_pairs.length;i++) {
+    argument_pairs[i][0]= this._encodeData( argument_pairs[i][0] );
+    argument_pairs[i][1]= this._encodeData( argument_pairs[i][1] );
+  }
+
+  // Then sort them #3.4.1.3.2 .2
+  argument_pairs= this._sortRequestParams( argument_pairs );
+
+  // Then concatenate together #3.4.1.3.2 .3 & .4
+  var args= "";
+  for(var i=0;i<argument_pairs.length;i++) {
+      args+= argument_pairs[i][0];
+      args+= "="
+      args+= argument_pairs[i][1];
+      if( i < argument_pairs.length-1 ) args+= "&";
+  }
+  return args;
+}
+
+exports.OAuth.prototype._createSignatureBase= function(method, url, parameters) {
+  url= this._encodeData( this._normalizeUrl(url) );
+  parameters= this._encodeData( parameters );
+  return method.toUpperCase() + "&" + url + "&" + parameters;
+}
+
+exports.OAuth.prototype._createSignature= function(signatureBase, tokenSecret) {
+   if( tokenSecret === undefined ) var tokenSecret= "";
+   else tokenSecret= this._encodeData( tokenSecret );
+   // consumerSecret is already encoded
+   var key= this._consumerSecret + "&" + tokenSecret;
+
+   var hash= ""
+   if( this._signatureMethod == "PLAINTEXT" ) {
+     hash= key;
+   }
+   else if (this._signatureMethod == "RSA-SHA1") {
+     key = this._privateKey || "";
+     hash= crypto.createSign("RSA-SHA1").update(signatureBase).sign(key, 'base64');
+   }
+   else {
+       if( crypto.Hmac ) {
+         hash = crypto.createHmac("sha1", key).update(signatureBase).digest("base64");
+       }
+       else {
+         hash= sha1.HMACSHA1(key, signatureBase);
+       }
+   }
+   return hash;
+}
+exports.OAuth.prototype.NONCE_CHARS= ['a','b','c','d','e','f','g','h','i','j','k','l','m','n',
+              'o','p','q','r','s','t','u','v','w','x','y','z','A','B',
+              'C','D','E','F','G','H','I','J','K','L','M','N','O','P',
+              'Q','R','S','T','U','V','W','X','Y','Z','0','1','2','3',
+              '4','5','6','7','8','9'];
+
+exports.OAuth.prototype._getNonce= function(nonceSize) {
+   var result = [];
+   var chars= this.NONCE_CHARS;
+   var char_pos;
+   var nonce_chars_length= chars.length;
+
+   for (var i = 0; i < nonceSize; i++) {
+       char_pos= Math.floor(Math.random() * nonce_chars_length);
+       result[i]=  chars[char_pos];
+   }
+   return result.join('');
+}
+
+exports.OAuth.prototype._createClient= function( port, hostname, method, path, headers, sslEnabled ) {
+  var options = {
+    host: hostname,
+    port: port,
+    path: path,
+    method: method,
+    headers: headers
+  };
+  var httpModel;
+  if( sslEnabled ) {
+    httpModel= https;
+  } else {
+    httpModel= http;
+  }
+  return httpModel.request(options);
+}
+
+exports.OAuth.prototype._prepareParameters= function( oauth_token, oauth_token_secret, method, url, extra_params ) {
+  var oauthParameters= {
+      "oauth_timestamp":        this._getTimestamp(),
+      "oauth_nonce":            this._getNonce(this._nonceSize),
+      "oauth_version":          this._version,
+      "oauth_signature_method": this._signatureMethod,
+      "oauth_consumer_key":     this._consumerKey
+  };
+
+  if( oauth_token ) {
+    oauthParameters["oauth_token"]= oauth_token;
+  }
+
+  var sig;
+  if( this._isEcho ) {
+    sig = this._getSignature( "GET",  this._verifyCredentials,  this._normaliseRequestParams(oauthParameters), oauth_token_secret);
+  }
+  else {
+    if( extra_params ) {
+      for( var key in extra_params ) {
+        if (extra_params.hasOwnProperty(key)) oauthParameters[key]= extra_params[key];
+      }
+    }
+    var parsedUrl= URL.parse( url, false );
+
+    if( parsedUrl.query ) {
+      var key2;
+      var extraParameters= querystring.parse(parsedUrl.query);
+      for(var key in extraParameters ) {
+        var value= extraParameters[key];
+          if( typeof value == "object" ){
+            // TODO: This probably should be recursive
+            for(key2 in value){
+              oauthParameters[key + "[" + key2 + "]"] = value[key2];
+            }
+          } else {
+            oauthParameters[key]= value;
+          }
+        }
+    }
+
+    sig = this._getSignature( method,  url,  this._normaliseRequestParams(oauthParameters), oauth_token_secret);
+  }
+
+  var orderedParameters= this._sortRequestParams( this._makeArrayOfArgumentsHash(oauthParameters) );
+  orderedParameters[orderedParameters.length]= ["oauth_signature", sig];
+  return orderedParameters;
+}
+
+exports.OAuth.prototype._performSecureRequest= function( oauth_token, oauth_token_secret, method, url, extra_params, post_body, post_content_type,  callback ) {
+  var orderedParameters= this._prepareParameters(oauth_token, oauth_token_secret, method, url, extra_params);
+
+  if( !post_content_type ) {
+    post_content_type= "application/x-www-form-urlencoded";
+  }
+  var parsedUrl= URL.parse( url, false );
+  if( parsedUrl.protocol == "http:" && !parsedUrl.port ) parsedUrl.port= 80;
+  if( parsedUrl.protocol == "https:" && !parsedUrl.port ) parsedUrl.port= 443;
+
+  var headers= {};
+  var authorization = this._buildAuthorizationHeaders(orderedParameters);
+  if ( this._isEcho ) {
+    headers["X-Verify-Credentials-Authorization"]= authorization;
+  }
+  else {
+    headers["Authorization"]= authorization;
+  }
+
+  headers["Host"] = parsedUrl.host
+
+  for( var key in this._headers ) {
+    if (this._headers.hasOwnProperty(key)) {
+      headers[key]= this._headers[key];
+    }
+  }
+
+  // Filter out any passed extra_params that are really to do with OAuth
+  for(var key in extra_params) {
+    if( this._isParameterNameAnOAuthParameter( key ) ) {
+      delete extra_params[key];
+    }
+  }
+
+  if( (method == "POST" || method == "PUT")  && ( post_body == null && extra_params != null) ) {
+    // Fix the mismatch between the output of querystring.stringify() and this._encodeData()
+    post_body= querystring.stringify(extra_params)
+                       .replace(/\!/g, "%21")
+                       .replace(/\'/g, "%27")
+                       .replace(/\(/g, "%28")
+                       .replace(/\)/g, "%29")
+                       .replace(/\*/g, "%2A");
+  }
+
+  if( post_body ) {
+      if ( Buffer.isBuffer(post_body) ) {
+          headers["Content-length"]= post_body.length;
+      } else {
+          headers["Content-length"]= Buffer.byteLength(post_body);
+      }
+  } else {
+      headers["Content-length"]= 0;
+  }
+
+  headers["Content-Type"]= post_content_type;
+
+  var path;
+  if( !parsedUrl.pathname  || parsedUrl.pathname == "" ) parsedUrl.pathname ="/";
+  if( parsedUrl.query ) path= parsedUrl.pathname + "?"+ parsedUrl.query ;
+  else path= parsedUrl.pathname;
+
+  var request;
+  if( parsedUrl.protocol == "https:" ) {
+    request= this._createClient(parsedUrl.port, parsedUrl.hostname, method, path, headers, true);
+  }
+  else {
+    request= this._createClient(parsedUrl.port, parsedUrl.hostname, method, path, headers);
+  }
+
+  var clientOptions = this._clientOptions;
+  if( callback ) {
+    var data="";
+    var self= this;
+
+    // Some hosts *cough* google appear to close the connection early / send no content-length header
+    // allow this behaviour.
+    var allowEarlyClose= OAuthUtils.isAnEarlyCloseHost( parsedUrl.hostname );
+    var callbackCalled= false;
+    var passBackControl = function( response ) {
+      if(!callbackCalled) {
+        callbackCalled= true;
+        if ( response.statusCode >= 200 && response.statusCode <= 299 ) {
+          callback(null, data, response);
+        } else {
+          // Follow 301 or 302 redirects with Location HTTP header
+          if((response.statusCode == 301 || response.statusCode == 302) && clientOptions.followRedirects && response.headers && response.headers.location) {
+            self._performSecureRequest( oauth_token, oauth_token_secret, method, response.headers.location, extra_params, post_body, post_content_type,  callback);
+          }
+          else {
+            callback({ statusCode: response.statusCode, data: data }, data, response);
+          }
+        }
+      }
+    }
+
+    request.on('response', function (response) {
+      response.setEncoding('utf8');
+      response.on('data', function (chunk) {
+        data+=chunk;
+      });
+      response.on('end', function () {
+        passBackControl( response );
+      });
+      response.on('close', function () {
+        if( allowEarlyClose ) {
+          passBackControl( response );
+        }
+      });
+    });
+
+    request.on("error", function(err) {
+      if(!callbackCalled) {
+        callbackCalled= true;
+        callback( err )
+      }
+    });
+
+    if( (method == "POST" || method =="PUT") && post_body != null && post_body != "" ) {
+      request.write(post_body);
+    }
+    request.end();
+  }
+  else {
+    if( (method == "POST" || method =="PUT") && post_body != null && post_body != "" ) {
+      request.write(post_body);
+    }
+    return request;
+  }
+
+  return;
+}
+
+exports.OAuth.prototype.setClientOptions= function(options) {
+  var key,
+      mergedOptions= {},
+      hasOwnProperty= Object.prototype.hasOwnProperty;
+
+  for( key in this._defaultClientOptions ) {
+    if( !hasOwnProperty.call(options, key) ) {
+      mergedOptions[key]= this._defaultClientOptions[key];
+    } else {
+      mergedOptions[key]= options[key];
+    }
+  }
+
+  this._clientOptions= mergedOptions;
+};
+
+exports.OAuth.prototype.getOAuthAccessToken= function(oauth_token, oauth_token_secret, oauth_verifier,  callback) {
+  var extraParams= {};
+  if( typeof oauth_verifier == "function" ) {
+    callback= oauth_verifier;
+  } else {
+    extraParams.oauth_verifier= oauth_verifier;
+  }
+
+   this._performSecureRequest( oauth_token, oauth_token_secret, this._clientOptions.accessTokenHttpMethod, this._accessUrl, extraParams, null, null, function(error, data, response) {
+         if( error ) callback(error);
+         else {
+           var results= querystring.parse( data );
+           var oauth_access_token= results["oauth_token"];
+           delete results["oauth_token"];
+           var oauth_access_token_secret= results["oauth_token_secret"];
+           delete results["oauth_token_secret"];
+           callback(null, oauth_access_token, oauth_access_token_secret, results );
+         }
+   })
+}
+
+// Deprecated
+exports.OAuth.prototype.getProtectedResource= function(url, method, oauth_token, oauth_token_secret, callback) {
+  this._performSecureRequest( oauth_token, oauth_token_secret, method, url, null, "", null, callback );
+}
+
+exports.OAuth.prototype.delete= function(url, oauth_token, oauth_token_secret, callback) {
+  return this._performSecureRequest( oauth_token, oauth_token_secret, "DELETE", url, null, "", null, callback );
+}
+
+exports.OAuth.prototype.get= function(url, oauth_token, oauth_token_secret, callback) {
+  return this._performSecureRequest( oauth_token, oauth_token_secret, "GET", url, null, "", null, callback );
+}
+
+exports.OAuth.prototype._putOrPost= function(method, url, oauth_token, oauth_token_secret, post_body, post_content_type, callback) {
+  var extra_params= null;
+  if( typeof post_content_type == "function" ) {
+    callback= post_content_type;
+    post_content_type= null;
+  }
+  if ( typeof post_body != "string" && !Buffer.isBuffer(post_body) ) {
+    post_content_type= "application/x-www-form-urlencoded"
+    extra_params= post_body;
+    post_body= null;
+  }
+  return this._performSecureRequest( oauth_token, oauth_token_secret, method, url, extra_params, post_body, post_content_type, callback );
+}
+
+
+exports.OAuth.prototype.put= function(url, oauth_token, oauth_token_secret, post_body, post_content_type, callback) {
+  return this._putOrPost("PUT", url, oauth_token, oauth_token_secret, post_body, post_content_type, callback);
+}
+
+exports.OAuth.prototype.post= function(url, oauth_token, oauth_token_secret, post_body, post_content_type, callback) {
+  return this._putOrPost("POST", url, oauth_token, oauth_token_secret, post_body, post_content_type, callback);
+}
+
+/**
+ * Gets a request token from the OAuth provider and passes that information back
+ * to the calling code.
+ *
+ * The callback should expect a function of the following form:
+ *
+ * function(err, token, token_secret, parsedQueryString) {}
+ *
+ * This method has optional parameters so can be called in the following 2 ways:
+ *
+ * 1) Primary use case: Does a basic request with no extra parameters
+ *  getOAuthRequestToken( callbackFunction )
+ *
+ * 2) As above but allows for provision of extra parameters to be sent as part of the query to the server.
+ *  getOAuthRequestToken( extraParams, callbackFunction )
+ *
+ * N.B. This method will HTTP POST verbs by default, if you wish to override this behaviour you will
+ * need to provide a requestTokenHttpMethod option when creating the client.
+ *
+ **/
+exports.OAuth.prototype.getOAuthRequestToken= function( extraParams, callback ) {
+   if( typeof extraParams == "function" ){
+     callback = extraParams;
+     extraParams = {};
+   }
+  // Callbacks are 1.0A related
+  if( this._authorize_callback ) {
+    extraParams["oauth_callback"]= this._authorize_callback;
+  }
+  this._performSecureRequest( null, null, this._clientOptions.requestTokenHttpMethod, this._requestUrl, extraParams, null, null, function(error, data, response) {
+    if( error ) callback(error);
+    else {
+      var results= querystring.parse(data);
+
+      var oauth_token= results["oauth_token"];
+      var oauth_token_secret= results["oauth_token_secret"];
+      delete results["oauth_token"];
+      delete results["oauth_token_secret"];
+      callback(null, oauth_token, oauth_token_secret,  results );
+    }
+  });
+}
+
+exports.OAuth.prototype.signUrl= function(url, oauth_token, oauth_token_secret, method) {
+
+  if( method === undefined ) {
+    var method= "GET";
+  }
+
+  var orderedParameters= this._prepareParameters(oauth_token, oauth_token_secret, method, url, {});
+  var parsedUrl= URL.parse( url, false );
+
+  var query="";
+  for( var i= 0 ; i < orderedParameters.length; i++) {
+    query+= orderedParameters[i][0]+"="+ this._encodeData(orderedParameters[i][1]) + "&";
+  }
+  query= query.substring(0, query.length-1);
+
+  return parsedUrl.protocol + "//"+ parsedUrl.host + parsedUrl.pathname + "?" + query;
+};
+
+exports.OAuth.prototype.authHeader= function(url, oauth_token, oauth_token_secret, method) {
+  if( method === undefined ) {
+    var method= "GET";
+  }
+
+  var orderedParameters= this._prepareParameters(oauth_token, oauth_token_secret, method, url, {});
+  return this._buildAuthorizationHeaders(orderedParameters);
+};
diff --git a/node_modules/oauth/lib/oauth2.js b/node_modules/oauth/lib/oauth2.js
new file mode 100644
index 000000000..77241c433
--- /dev/null
+++ b/node_modules/oauth/lib/oauth2.js
@@ -0,0 +1,228 @@
+var querystring= require('querystring'),
+    crypto= require('crypto'),
+    https= require('https'),
+    http= require('http'),
+    URL= require('url'),
+    OAuthUtils= require('./_utils');
+
+exports.OAuth2= function(clientId, clientSecret, baseSite, authorizePath, accessTokenPath, customHeaders) {
+  this._clientId= clientId;
+  this._clientSecret= clientSecret;
+  this._baseSite= baseSite;
+  this._authorizeUrl= authorizePath || "/oauth/authorize";
+  this._accessTokenUrl= accessTokenPath || "/oauth/access_token";
+  this._accessTokenName= "access_token";
+  this._authMethod= "Bearer";
+  this._customHeaders = customHeaders || {};
+  this._useAuthorizationHeaderForGET= false;
+
+  //our agent
+  this._agent = undefined;
+};
+
+// Allows you to set an agent to use instead of the default HTTP or
+// HTTPS agents. Useful when dealing with your own certificates.
+exports.OAuth2.prototype.setAgent = function(agent) {
+  this._agent = agent;
+};
+
+// This 'hack' method is required for sites that don't use
+// 'access_token' as the name of the access token (for requests).
+// ( http://tools.ietf.org/html/draft-ietf-oauth-v2-16#section-7 )
+// it isn't clear what the correct value should be atm, so allowing
+// for specific (temporary?) override for now.
+exports.OAuth2.prototype.setAccessTokenName= function ( name ) {
+  this._accessTokenName= name;
+}
+
+// Sets the authorization method for Authorization header.
+// e.g. Authorization: Bearer <token>  # "Bearer" is the authorization method.
+exports.OAuth2.prototype.setAuthMethod = function ( authMethod ) {
+  this._authMethod = authMethod;
+};
+
+
+// If you use the OAuth2 exposed 'get' method (and don't construct your own _request call )
+// this will specify whether to use an 'Authorize' header instead of passing the access_token as a query parameter
+exports.OAuth2.prototype.useAuthorizationHeaderforGET = function(useIt) {
+  this._useAuthorizationHeaderForGET= useIt;
+}
+
+exports.OAuth2.prototype._getAccessTokenUrl= function() {
+  return this._baseSite + this._accessTokenUrl; /* + "?" + querystring.stringify(params); */
+}
+
+// Build the authorization header. In particular, build the part after the colon.
+// e.g. Authorization: Bearer <token>  # Build "Bearer <token>"
+exports.OAuth2.prototype.buildAuthHeader= function(token) {
+  return this._authMethod + ' ' + token;
+};
+
+exports.OAuth2.prototype._chooseHttpLibrary= function( parsedUrl ) {
+  var http_library= https;
+  // As this is OAUth2, we *assume* https unless told explicitly otherwise.
+  if( parsedUrl.protocol != "https:" ) {
+    http_library= http;
+  }
+  return http_library;
+};
+
+exports.OAuth2.prototype._request= function(method, url, headers, post_body, access_token, callback) {
+
+  var parsedUrl= URL.parse( url, true );
+  if( parsedUrl.protocol == "https:" && !parsedUrl.port ) {
+    parsedUrl.port= 443;
+  }
+
+  var http_library= this._chooseHttpLibrary( parsedUrl );
+
+
+  var realHeaders= {};
+  for( var key in this._customHeaders ) {
+    realHeaders[key]= this._customHeaders[key];
+  }
+  if( headers ) {
+    for(var key in headers) {
+      realHeaders[key] = headers[key];
+    }
+  }
+  realHeaders['Host']= parsedUrl.host;
+
+  if (!realHeaders['User-Agent']) {
+    realHeaders['User-Agent'] = 'Node-oauth';
+  }
+
+  if( post_body ) {
+      if ( Buffer.isBuffer(post_body) ) {
+          realHeaders["Content-Length"]= post_body.length;
+      } else {
+          realHeaders["Content-Length"]= Buffer.byteLength(post_body);
+      }
+  } else {
+      realHeaders["Content-length"]= 0;
+  }
+
+  if( access_token && !('Authorization' in realHeaders)) {
+    if( ! parsedUrl.query ) parsedUrl.query= {};
+    parsedUrl.query[this._accessTokenName]= access_token;
+  }
+
+  var queryStr= querystring.stringify(parsedUrl.query);
+  if( queryStr ) queryStr=  "?" + queryStr;
+  var options = {
+    host:parsedUrl.hostname,
+    port: parsedUrl.port,
+    path: parsedUrl.pathname + queryStr,
+    method: method,
+    headers: realHeaders
+  };
+
+  this._executeRequest( http_library, options, post_body, callback );
+}
+
+exports.OAuth2.prototype._executeRequest= function( http_library, options, post_body, callback ) {
+  // Some hosts *cough* google appear to close the connection early / send no content-length header
+  // allow this behaviour.
+  var allowEarlyClose= OAuthUtils.isAnEarlyCloseHost(options.host);
+  var callbackCalled= false;
+  function passBackControl( response, result ) {
+    if(!callbackCalled) {
+      callbackCalled=true;
+      if( !(response.statusCode >= 200 && response.statusCode <= 299) && (response.statusCode != 301) && (response.statusCode != 302) ) {
+        callback({ statusCode: response.statusCode, data: result });
+      } else {
+        callback(null, result, response);
+      }
+    }
+  }
+
+  var result= "";
+
+  //set the agent on the request options
+  if (this._agent) {
+    options.agent = this._agent;
+  }
+
+  var request = http_library.request(options);
+  request.on('response', function (response) {
+    response.on("data", function (chunk) {
+      result+= chunk
+    });
+    response.on("close", function (err) {
+      if( allowEarlyClose ) {
+        passBackControl( response, result );
+      }
+    });
+    response.addListener("end", function () {
+      passBackControl( response, result );
+    });
+  });
+  request.on('error', function(e) {
+    callbackCalled= true;
+    callback(e);
+  });
+
+  if( (options.method == 'POST' || options.method == 'PUT') && post_body ) {
+     request.write(post_body);
+  }
+  request.end();
+}
+
+exports.OAuth2.prototype.getAuthorizeUrl= function( params ) {
+  var params= params || {};
+  params['client_id'] = this._clientId;
+  return this._baseSite + this._authorizeUrl + "?" + querystring.stringify(params);
+}
+
+exports.OAuth2.prototype.getOAuthAccessToken= function(code, params, callback) {
+  var params= params || {};
+  params['client_id'] = this._clientId;
+  params['client_secret'] = this._clientSecret;
+  var codeParam = (params.grant_type === 'refresh_token') ? 'refresh_token' : 'code';
+  params[codeParam]= code;
+
+  var post_data= querystring.stringify( params );
+  var post_headers= {
+       'Content-Type': 'application/x-www-form-urlencoded'
+   };
+
+
+  this._request("POST", this._getAccessTokenUrl(), post_headers, post_data, null, function(error, data, response) {
+    if( error )  callback(error);
+    else {
+      var results;
+      try {
+        // As of http://tools.ietf.org/html/draft-ietf-oauth-v2-07
+        // responses should be in JSON
+        results= JSON.parse( data );
+      }
+      catch(e) {
+        // .... However both Facebook + Github currently use rev05 of the spec
+        // and neither seem to specify a content-type correctly in their response headers :(
+        // clients of these services will suffer a *minor* performance cost of the exception
+        // being thrown
+        results= querystring.parse( data );
+      }
+      var access_token= results["access_token"];
+      var refresh_token= results["refresh_token"];
+      delete results["refresh_token"];
+      callback(null, access_token, refresh_token, results); // callback results =-=
+    }
+  });
+}
+
+// Deprecated
+exports.OAuth2.prototype.getProtectedResource= function(url, access_token, callback) {
+  this._request("GET", url, {}, "", access_token, callback );
+}
+
+exports.OAuth2.prototype.get= function(url, access_token, callback) {
+  if( this._useAuthorizationHeaderForGET ) {
+    var headers= {'Authorization': this.buildAuthHeader(access_token) }
+    access_token= null;
+  }
+  else {
+    headers= {};
+  }
+  this._request("GET", url, headers, "", access_token, callback );
+}
diff --git a/node_modules/oauth/lib/sha1.js b/node_modules/oauth/lib/sha1.js
new file mode 100644
index 000000000..d73277a65
--- /dev/null
+++ b/node_modules/oauth/lib/sha1.js
@@ -0,0 +1,334 @@
+/*
+ * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
+ * in FIPS 180-1
+ * Version 2.2 Copyright Paul Johnston 2000 - 2009.
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for details.
+ */
+
+/*
+ * Configurable variables. You may need to tweak these to be compatible with
+ * the server-side, but the defaults work in most cases.
+ */
+var hexcase = 1;  /* hex output format. 0 - lowercase; 1 - uppercase        */
+var b64pad  = "="; /* base-64 pad character. "=" for strict RFC compliance   */
+
+/*
+ * These are the functions you'll usually want to call
+ * They take string arguments and return either hex or base-64 encoded strings
+ */
+function hex_sha1(s)    { return rstr2hex(rstr_sha1(str2rstr_utf8(s))); }
+function b64_sha1(s)    { return rstr2b64(rstr_sha1(str2rstr_utf8(s))); }
+function any_sha1(s, e) { return rstr2any(rstr_sha1(str2rstr_utf8(s)), e); }
+function hex_hmac_sha1(k, d)
+  { return rstr2hex(rstr_hmac_sha1(str2rstr_utf8(k), str2rstr_utf8(d))); }
+function b64_hmac_sha1(k, d)
+  { return rstr2b64(rstr_hmac_sha1(str2rstr_utf8(k), str2rstr_utf8(d))); }
+function any_hmac_sha1(k, d, e)
+  { return rstr2any(rstr_hmac_sha1(str2rstr_utf8(k), str2rstr_utf8(d)), e); }
+
+/*
+ * Perform a simple self-test to see if the VM is working
+ */
+function sha1_vm_test()
+{
+  return hex_sha1("abc").toLowerCase() == "a9993e364706816aba3e25717850c26c9cd0d89d";
+}
+
+/*
+ * Calculate the SHA1 of a raw string
+ */
+function rstr_sha1(s)
+{
+  return binb2rstr(binb_sha1(rstr2binb(s), s.length * 8));
+}
+
+/*
+ * Calculate the HMAC-SHA1 of a key and some data (raw strings)
+ */
+function rstr_hmac_sha1(key, data)
+{
+  var bkey = rstr2binb(key);
+  if(bkey.length > 16) bkey = binb_sha1(bkey, key.length * 8);
+
+  var ipad = Array(16), opad = Array(16);
+  for(var i = 0; i < 16; i++)
+  {
+    ipad[i] = bkey[i] ^ 0x36363636;
+    opad[i] = bkey[i] ^ 0x5C5C5C5C;
+  }
+
+  var hash = binb_sha1(ipad.concat(rstr2binb(data)), 512 + data.length * 8);
+  return binb2rstr(binb_sha1(opad.concat(hash), 512 + 160));
+}
+
+/*
+ * Convert a raw string to a hex string
+ */
+function rstr2hex(input)
+{
+  try { hexcase } catch(e) { hexcase=0; }
+  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
+  var output = "";
+  var x;
+  for(var i = 0; i < input.length; i++)
+  {
+    x = input.charCodeAt(i);
+    output += hex_tab.charAt((x >>> 4) & 0x0F)
+           +  hex_tab.charAt( x        & 0x0F);
+  }
+  return output;
+}
+
+/*
+ * Convert a raw string to a base-64 string
+ */
+function rstr2b64(input)
+{
+  try { b64pad } catch(e) { b64pad=''; }
+  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+  var output = "";
+  var len = input.length;
+  for(var i = 0; i < len; i += 3)
+  {
+    var triplet = (input.charCodeAt(i) << 16)
+                | (i + 1 < len ? input.charCodeAt(i+1) << 8 : 0)
+                | (i + 2 < len ? input.charCodeAt(i+2)      : 0);
+    for(var j = 0; j < 4; j++)
+    {
+      if(i * 8 + j * 6 > input.length * 8) output += b64pad;
+      else output += tab.charAt((triplet >>> 6*(3-j)) & 0x3F);
+    }
+  }
+  return output;
+}
+
+/*
+ * Convert a raw string to an arbitrary string encoding
+ */
+function rstr2any(input, encoding)
+{
+  var divisor = encoding.length;
+  var remainders = Array();
+  var i, q, x, quotient;
+
+  /* Convert to an array of 16-bit big-endian values, forming the dividend */
+  var dividend = Array(Math.ceil(input.length / 2));
+  for(i = 0; i < dividend.length; i++)
+  {
+    dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);
+  }
+
+  /*
+   * Repeatedly perform a long division. The binary array forms the dividend,
+   * the length of the encoding is the divisor. Once computed, the quotient
+   * forms the dividend for the next step. We stop when the dividend is zero.
+   * All remainders are stored for later use.
+   */
+  while(dividend.length > 0)
+  {
+    quotient = Array();
+    x = 0;
+    for(i = 0; i < dividend.length; i++)
+    {
+      x = (x << 16) + dividend[i];
+      q = Math.floor(x / divisor);
+      x -= q * divisor;
+      if(quotient.length > 0 || q > 0)
+        quotient[quotient.length] = q;
+    }
+    remainders[remainders.length] = x;
+    dividend = quotient;
+  }
+
+  /* Convert the remainders to the output string */
+  var output = "";
+  for(i = remainders.length - 1; i >= 0; i--)
+    output += encoding.charAt(remainders[i]);
+
+  /* Append leading zero equivalents */
+  var full_length = Math.ceil(input.length * 8 /
+                                    (Math.log(encoding.length) / Math.log(2)))
+  for(i = output.length; i < full_length; i++)
+    output = encoding[0] + output;
+
+  return output;
+}
+
+/*
+ * Encode a string as utf-8.
+ * For efficiency, this assumes the input is valid utf-16.
+ */
+function str2rstr_utf8(input)
+{
+  var output = "";
+  var i = -1;
+  var x, y;
+
+  while(++i < input.length)
+  {
+    /* Decode utf-16 surrogate pairs */
+    x = input.charCodeAt(i);
+    y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0;
+    if(0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF)
+    {
+      x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF);
+      i++;
+    }
+
+    /* Encode output as utf-8 */
+    if(x <= 0x7F)
+      output += String.fromCharCode(x);
+    else if(x <= 0x7FF)
+      output += String.fromCharCode(0xC0 | ((x >>> 6 ) & 0x1F),
+                                    0x80 | ( x         & 0x3F));
+    else if(x <= 0xFFFF)
+      output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F),
+                                    0x80 | ((x >>> 6 ) & 0x3F),
+                                    0x80 | ( x         & 0x3F));
+    else if(x <= 0x1FFFFF)
+      output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07),
+                                    0x80 | ((x >>> 12) & 0x3F),
+                                    0x80 | ((x >>> 6 ) & 0x3F),
+                                    0x80 | ( x         & 0x3F));
+  }
+  return output;
+}
+
+/*
+ * Encode a string as utf-16
+ */
+function str2rstr_utf16le(input)
+{
+  var output = "";
+  for(var i = 0; i < input.length; i++)
+    output += String.fromCharCode( input.charCodeAt(i)        & 0xFF,
+                                  (input.charCodeAt(i) >>> 8) & 0xFF);
+  return output;
+}
+
+function str2rstr_utf16be(input)
+{
+  var output = "";
+  for(var i = 0; i < input.length; i++)
+    output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xFF,
+                                   input.charCodeAt(i)        & 0xFF);
+  return output;
+}
+
+/*
+ * Convert a raw string to an array of big-endian words
+ * Characters >255 have their high-byte silently ignored.
+ */
+function rstr2binb(input)
+{
+  var output = Array(input.length >> 2);
+  for(var i = 0; i < output.length; i++)
+    output[i] = 0;
+  for(var i = 0; i < input.length * 8; i += 8)
+    output[i>>5] |= (input.charCodeAt(i / 8) & 0xFF) << (24 - i % 32);
+  return output;
+}
+
+/*
+ * Convert an array of big-endian words to a string
+ */
+function binb2rstr(input)
+{
+  var output = "";
+  for(var i = 0; i < input.length * 32; i += 8)
+    output += String.fromCharCode((input[i>>5] >>> (24 - i % 32)) & 0xFF);
+  return output;
+}
+
+/*
+ * Calculate the SHA-1 of an array of big-endian words, and a bit length
+ */
+function binb_sha1(x, len)
+{
+  /* append padding */
+  x[len >> 5] |= 0x80 << (24 - len % 32);
+  x[((len + 64 >> 9) << 4) + 15] = len;
+
+  var w = Array(80);
+  var a =  1732584193;
+  var b = -271733879;
+  var c = -1732584194;
+  var d =  271733878;
+  var e = -1009589776;
+
+  for(var i = 0; i < x.length; i += 16)
+  {
+    var olda = a;
+    var oldb = b;
+    var oldc = c;
+    var oldd = d;
+    var olde = e;
+
+    for(var j = 0; j < 80; j++)
+    {
+      if(j < 16) w[j] = x[i + j];
+      else w[j] = bit_rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1);
+      var t = safe_add(safe_add(bit_rol(a, 5), sha1_ft(j, b, c, d)),
+                       safe_add(safe_add(e, w[j]), sha1_kt(j)));
+      e = d;
+      d = c;
+      c = bit_rol(b, 30);
+      b = a;
+      a = t;
+    }
+
+    a = safe_add(a, olda);
+    b = safe_add(b, oldb);
+    c = safe_add(c, oldc);
+    d = safe_add(d, oldd);
+    e = safe_add(e, olde);
+  }
+  return Array(a, b, c, d, e);
+
+}
+
+/*
+ * Perform the appropriate triplet combination function for the current
+ * iteration
+ */
+function sha1_ft(t, b, c, d)
+{
+  if(t < 20) return (b & c) | ((~b) & d);
+  if(t < 40) return b ^ c ^ d;
+  if(t < 60) return (b & c) | (b & d) | (c & d);
+  return b ^ c ^ d;
+}
+
+/*
+ * Determine the appropriate additive constant for the current iteration
+ */
+function sha1_kt(t)
+{
+  return (t < 20) ?  1518500249 : (t < 40) ?  1859775393 :
+         (t < 60) ? -1894007588 : -899497514;
+}
+
+/*
+ * Add integers, wrapping at 2^32. This uses 16-bit operations internally
+ * to work around bugs in some JS interpreters.
+ */
+function safe_add(x, y)
+{
+  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
+  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
+  return (msw << 16) | (lsw & 0xFFFF);
+}
+
+/*
+ * Bitwise rotate a 32-bit number to the left.
+ */
+function bit_rol(num, cnt)
+{
+  return (num << cnt) | (num >>> (32 - cnt));
+}
+
+exports.HMACSHA1= function(key, data) {
+  return b64_hmac_sha1(key, data);
+}
\ No newline at end of file
diff --git a/node_modules/oauth/package.json b/node_modules/oauth/package.json
new file mode 100644
index 000000000..fa35b6f72
--- /dev/null
+++ b/node_modules/oauth/package.json
@@ -0,0 +1,15 @@
+{ "name" : "oauth"
+, "description" : "Library for interacting with OAuth 1.0, 1.0A, 2 and Echo.  Provides simplified client access and allows for construction of more complex apis and OAuth providers."
+, "version" : "0.9.15"
+, "directories" : { "lib" : "./lib" }
+, "main" : "index.js"
+, "author" : "Ciaran Jessup <ciaranj@gmail.com>"
+, "repository" : { "type":"git", "url":"http://github.com/ciaranj/node-oauth.git" }
+, "devDependencies": {
+    "vows": "0.5.x"
+  }
+, "scripts": {
+    "test": "make test"
+  }
+, "license": "MIT" 
+}
diff --git a/node_modules/oauth/tests/oauth2tests.js b/node_modules/oauth/tests/oauth2tests.js
new file mode 100644
index 000000000..8be23e35c
--- /dev/null
+++ b/node_modules/oauth/tests/oauth2tests.js
@@ -0,0 +1,304 @@
+var vows = require('vows'),
+    assert = require('assert'),
+    DummyResponse= require('./shared').DummyResponse,
+    DummyRequest= require('./shared').DummyRequest,
+    https = require('https'),
+    OAuth2= require('../lib/oauth2').OAuth2,
+    url = require('url');
+
+vows.describe('OAuth2').addBatch({
+    'Given an OAuth2 instance with clientId and clientSecret, ': {
+      topic: new OAuth2("clientId", "clientSecret"),
+      'When dealing with the response from the OP': {
+        'we should treat a 201 response as a success': function(oa) {
+          var callbackCalled= false;
+          var http_library= {
+            request: function() {
+              return new DummyRequest(new DummyResponse(201));
+            }
+          };
+          oa._executeRequest( http_library, {}, null, function(err, result, response) {
+            callbackCalled= true;
+            assert.equal(err, null);
+          });
+          assert.ok(callbackCalled);
+        },
+        'we should treat a 200 response as a success': function(oa) {
+          var callbackCalled= false;
+          var http_library= {
+            request: function() {
+              return new DummyRequest(new DummyResponse(200));
+            }
+          };
+          oa._executeRequest( http_library, {}, null, function(err, result, response) {
+            callbackCalled= true;
+            assert.equal(err, null);
+          });
+          assert.ok(callbackCalled);
+        }
+      },
+      'When handling the access token response': {
+        'we should correctly extract the token if received as form-data': function (oa) {
+            oa._request= function( method, url, fo, bar, bleh, callback) {
+              callback(null, "access_token=access&refresh_token=refresh");
+            };
+            oa.getOAuthAccessToken("", {}, function(error, access_token, refresh_token) {
+              assert.equal( access_token, "access");
+              assert.equal( refresh_token, "refresh");
+            });
+        },
+        'we should not include access token in both querystring and headers (favours headers if specified)': function (oa) {
+            oa._request = new OAuth2("clientId", "clientSecret")._request.bind(oa);
+            oa._executeRequest= function( http_library, options, post_body, callback) {
+              callback(null, url.parse(options.path, true).query, options.headers);
+            };
+
+            oa._request("GET", "http://foo/", {"Authorization":"Bearer BadNews"}, null, "accessx",  function(error, query, headers) {
+              assert.ok( !('access_token' in query), "access_token also in query");
+              assert.ok( 'Authorization' in headers, "Authorization not in headers");
+            });
+        },
+        'we should include access token in the querystring if no Authorization header present to override it': function (oa) {
+           oa._request = new OAuth2("clientId", "clientSecret")._request.bind(oa);
+           oa._executeRequest= function( http_library, options, post_body, callback) {
+             callback(null, url.parse(options.path, true).query, options.headers);
+           };
+           oa._request("GET", "http://foo/", {}, null, "access",  function(error, query, headers) {
+             assert.ok( 'access_token' in query, "access_token not present in query");
+              assert.ok( !('Authorization' in headers), "Authorization in headers");
+            });
+        },
+        'we should correctly extract the token if received as a JSON literal': function (oa) {
+          oa._request= function(method, url, headers, post_body, access_token, callback) {
+            callback(null, '{"access_token":"access","refresh_token":"refresh"}');
+          };
+          oa.getOAuthAccessToken("", {}, function(error, access_token, refresh_token) {
+            assert.equal( access_token, "access");
+            assert.equal( refresh_token, "refresh");
+          });
+        },
+        'we should return the received data to the calling method': function (oa) {
+          oa._request= function(method, url, headers, post_body, access_token, callback) {
+            callback(null, '{"access_token":"access","refresh_token":"refresh","extra_1":1, "extra_2":"foo"}');
+          };
+          oa.getOAuthAccessToken("", {}, function(error, access_token, refresh_token, results) {
+            assert.equal( access_token, "access");
+            assert.equal( refresh_token, "refresh");
+            assert.isNotNull( results );
+            assert.equal( results.extra_1, 1);
+            assert.equal( results.extra_2, "foo");
+          });
+        }
+      },
+      'When no grant_type parameter is specified': {
+        'we should pass the value of the code argument as the code parameter': function(oa) {
+          oa._request= function(method, url, headers, post_body, access_token, callback) {
+            assert.isTrue( post_body.indexOf("code=xsds23") != -1 );
+          };
+          oa.getOAuthAccessToken("xsds23", {} );
+        }
+      },
+      'When an invalid grant_type parameter is specified': {
+        'we should pass the value of the code argument as the code parameter': function(oa) {
+          oa._request= function(method, url, headers, post_body, access_token, callback) {
+            assert.isTrue( post_body.indexOf("code=xsds23") != -1 );
+          };
+          oa.getOAuthAccessToken("xsds23", {grant_type:"refresh_toucan"} );
+        }
+      },
+      'When a grant_type parameter of value "refresh_token" is specified': {
+        'we should pass the value of the code argument as the refresh_token parameter, should pass a grant_type parameter, but shouldn\'t pass a code parameter' : function(oa) {
+          oa._request= function(method, url, headers, post_body, access_token, callback) {
+            assert.isTrue( post_body.indexOf("refresh_token=sdsds2") != -1 );
+            assert.isTrue( post_body.indexOf("grant_type=refresh_token") != -1 );
+            assert.isTrue( post_body.indexOf("code=") == -1 );
+          };
+          oa.getOAuthAccessToken("sdsds2", {grant_type:"refresh_token"} );
+        }
+      },
+      'When we use the authorization header': {
+        'and call get with the default authorization method': {
+          'we should pass the authorization header with Bearer method and value of the access_token, _request should be passed a null access_token' : function(oa) {
+            oa._request= function(method, url, headers, post_body, access_token, callback) {
+              assert.equal(headers["Authorization"], "Bearer abcd5");
+              assert.isNull( access_token );
+            };
+            oa.useAuthorizationHeaderforGET(true);
+            oa.get("", "abcd5");
+          }
+        },
+        'and call get with the authorization method set to Basic': {
+          'we should pass the authorization header with Basic method and value of the access_token, _request should be passed a null access_token' : function(oa) {
+            oa._request= function(method, url, headers, post_body, access_token, callback) {
+              assert.equal(headers["Authorization"], "Basic cdg2");
+              assert.isNull( access_token );
+            };
+            oa.useAuthorizationHeaderforGET(true);
+            oa.setAuthMethod("Basic");
+            oa.get("", "cdg2");
+          }
+        }
+      },
+      'When we do not use the authorization header': {
+        'and call get': {
+          'we should pass NOT provide an authorization header and the access_token should be being passed to _request' : function(oa) {
+            oa._request= function(method, url, headers, post_body, access_token, callback) {
+              assert.isUndefined(headers["Authorization"]);
+              assert.equal( access_token, "abcd5" );
+            };
+            oa.useAuthorizationHeaderforGET(false);
+            oa.get("", "abcd5");
+          }
+        }
+      }
+    },
+    'Given an OAuth2 instance with clientId, clientSecret and customHeaders': {
+      topic: new OAuth2("clientId", "clientSecret", undefined, undefined, undefined,
+          { 'SomeHeader': '123' }),
+      'When GETing': {
+        'we should see the custom headers mixed into headers property in options passed to http-library' : function(oa) {
+          oa._executeRequest= function( http_library, options, callback ) {
+            assert.equal(options.headers["SomeHeader"], "123");
+          };
+          oa.get("", {});
+        },
+      }
+    },
+    'Given an OAuth2 instance with a clientId and clientSecret': {
+      topic: new OAuth2("clientId", "clientSecret"),
+        'When POSTing': {
+          'we should see a given string being sent to the request' : function(oa) {
+            var bodyWritten= false;
+            oa._chooseHttpLibrary= function() {
+              return {
+                request: function(options) {
+                  assert.equal(options.headers["Content-Type"], "text/plain");
+                  assert.equal(options.headers["Content-Length"], 26);
+                  assert.equal(options.method, "POST");
+                  return  {
+                    end: function() {},
+                    on: function() {},
+                    write: function(body) {
+                      bodyWritten= true;
+                      assert.isNotNull(body);
+                      assert.equal(body, "THIS_IS_A_POST_BODY_STRING")
+                    }
+                  }
+                }
+              };
+            }
+            oa._request("POST", "", {"Content-Type":"text/plain"}, "THIS_IS_A_POST_BODY_STRING");
+            assert.ok( bodyWritten );
+          },
+          'we should see a given buffer being sent to the request' : function(oa) {
+            var bodyWritten= false;
+            oa._chooseHttpLibrary= function() {
+              return {
+                request: function(options) {
+                  assert.equal(options.headers["Content-Type"], "application/octet-stream");
+                  assert.equal(options.headers["Content-Length"], 4);
+                  assert.equal(options.method, "POST");
+                  return  {
+                    end: function() {},
+                    on: function() {},
+                    write: function(body) {
+                      bodyWritten= true;
+                      assert.isNotNull(body);
+                      assert.equal(4, body.length)
+                    }
+                  }
+                }
+              };
+            }
+            oa._request("POST", "", {"Content-Type":"application/octet-stream"}, new Buffer([1,2,3,4]));
+            assert.ok( bodyWritten );
+          }
+        },
+        'When PUTing': {
+          'we should see a given string being sent to the request' : function(oa) {
+            var bodyWritten= false;
+            oa._chooseHttpLibrary= function() {
+              return {
+                request: function(options) {
+                  assert.equal(options.headers["Content-Type"], "text/plain");
+                  assert.equal(options.headers["Content-Length"], 25);
+                  assert.equal(options.method, "PUT");
+                  return  {
+                    end: function() {},
+                    on: function() {},
+                    write: function(body) {
+                      bodyWritten= true;
+                      assert.isNotNull(body);
+                      assert.equal(body, "THIS_IS_A_PUT_BODY_STRING")
+                    }
+                  }
+                }
+              };
+            }
+            oa._request("PUT", "", {"Content-Type":"text/plain"}, "THIS_IS_A_PUT_BODY_STRING");
+            assert.ok( bodyWritten );
+          },
+          'we should see a given buffer being sent to the request' : function(oa) {
+            var bodyWritten= false;
+            oa._chooseHttpLibrary= function() {
+              return {
+                request: function(options) {
+                  assert.equal(options.headers["Content-Type"], "application/octet-stream");
+                  assert.equal(options.headers["Content-Length"], 4);
+                  assert.equal(options.method, "PUT");
+                  return  {
+                    end: function() {},
+                    on: function() {},
+                    write: function(body) {
+                      bodyWritten= true;
+                      assert.isNotNull(body);
+                      assert.equal(4, body.length)
+                    }
+                  }
+                }
+              };
+            }
+            oa._request("PUT", "", {"Content-Type":"application/octet-stream"}, new Buffer([1,2,3,4]));
+            assert.ok( bodyWritten );
+          }
+        }
+    },
+    'When the user passes in the User-Agent in customHeaders': {
+      topic: new OAuth2("clientId", "clientSecret", undefined, undefined, undefined,
+          { 'User-Agent': '123Agent' }),
+      'When calling get': {
+        'we should see the User-Agent mixed into headers property in options passed to http-library' : function(oa) {
+          oa._executeRequest= function( http_library, options, callback ) {
+            assert.equal(options.headers["User-Agent"], "123Agent");
+          };
+          oa.get("", {});
+        }
+      }
+    },
+    'When the user does not pass in a User-Agent in customHeaders': {
+      topic: new OAuth2("clientId", "clientSecret", undefined, undefined, undefined,
+        undefined),
+      'When calling get': {
+        'we should see the default User-Agent mixed into headers property in options passed to http-library' : function(oa) {
+          oa._executeRequest= function( http_library, options, callback ) {
+            assert.equal(options.headers["User-Agent"], "Node-oauth");
+            };
+          oa.get("", {});
+        }
+      }
+    },
+    'When specifying an agent, that agent is passed to the HTTP request method' : {
+      topic : new OAuth2('clientId', 'clientSecret', undefined, undefined, undefined, undefined),
+      'When calling _executeRequest': {
+        'we whould see the agent being put into the options' : function(oa) {
+          oa.setAgent('awesome agent');
+          oa._executeRequest({
+            request : function(options, cb) {
+              assert.equal(options.agent, 'awesome agent');
+              return new DummyRequest(new DummyResponse(200));
+            }
+          }, {}, null, function() {});
+        }
+      }
+    }
+}).export(module);
diff --git a/node_modules/oauth/tests/oauthtests.js b/node_modules/oauth/tests/oauthtests.js
new file mode 100644
index 000000000..d36bfed76
--- /dev/null
+++ b/node_modules/oauth/tests/oauthtests.js
@@ -0,0 +1,1064 @@
+var vows = require('vows'),
+    assert = require('assert'),
+    DummyResponse= require('./shared').DummyResponse,
+    DummyRequest= require('./shared').DummyRequest,
+    events = require('events'),
+    OAuth= require('../lib/oauth').OAuth,
+    OAuthEcho= require('../lib/oauth').OAuthEcho,
+    crypto = require('crypto');
+
+//Valid RSA keypair used to test RSA-SHA1 signature method
+var RsaPrivateKey = "-----BEGIN RSA PRIVATE KEY-----\n" +
+"MIICXQIBAAKBgQDizE4gQP5nPQhzof/Vp2U2DDY3UY/Gxha2CwKW0URe7McxtnmE\n" +
+"CrZnT1n/YtfrrCNxY5KMP4o8hMrxsYEe05+1ZGFT68ztms3puUxilU5E3BQMhz1t\n" +
+"JMJEGcTt8nZUlM4utli7fHgDtWbhvqvYjRMGn3AjyLOfY8XZvnFkGjipvQIDAQAB\n" +
+"AoGAKgk6FcpWHOZ4EY6eL4iGPt1Gkzw/zNTcUsN5qGCDLqDuTq2Gmk2t/zn68VXt\n" +
+"tVXDf/m3qN0CDzOBtghzaTZKLGhnSewQ98obMWgPcvAsb4adEEeW1/xigbMiaW2X\n" +
+"cu6GhZxY16edbuQ40LRrPoVK94nXQpj8p7w4IQ301Sm8PSECQQD1ZlOj4ugvfhEt\n" +
+"exi4WyAaM45fylmN290UXYqZ8SYPI/VliDytIlMfyq5Rv+l+dud1XDPrWOQ0ImgV\n" +
+"HJn7uvoZAkEA7JhHNmHF9dbdF9Koj86K2Cl6c8KUu7U7d2BAuB6pPkt8+D8+y4St\n" +
+"PaCmN4oP4X+sf5rqBYoXywHlqEei2BdpRQJBAMYgR4cZu7wcXGIL8HlnmROObHSK\n" +
+"OqN9z5CRtUV0nPW8YnQG+nYOMG6KhRMbjri750OpnYF100kEPmRNI0VKQIECQE8R\n" +
+"fQsRleTYz768ahTVQ9WF1ySErMwmfx8gDcD6jjkBZVxZVpURXAwyehopi7Eix/VF\n" +
+"QlxjkBwKIEQi3Ks297kCQQCL9by1bueKDMJO2YX1Brm767pkDKkWtGfPS+d3xMtC\n" +
+"KJHHCqrS1V+D5Q89x5wIRHKxE5UMTc0JNa554OxwFORX\n" +
+"-----END RSA PRIVATE KEY-----";
+
+var RsaPublicKey = "-----BEGIN PUBLIC KEY-----\n" +
+"MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDizE4gQP5nPQhzof/Vp2U2DDY3\n" +
+"UY/Gxha2CwKW0URe7McxtnmECrZnT1n/YtfrrCNxY5KMP4o8hMrxsYEe05+1ZGFT\n" +
+"68ztms3puUxilU5E3BQMhz1tJMJEGcTt8nZUlM4utli7fHgDtWbhvqvYjRMGn3Aj\n" +
+"yLOfY8XZvnFkGjipvQIDAQAB\n" +
+"-----END PUBLIC KEY-----";
+
+vows.describe('OAuth').addBatch({
+    'When newing OAuth': {
+      topic: new OAuth(null, null, null, null, null, null, "PLAINTEXT"),
+      'followRedirects is enabled by default': function (oa) {
+        assert.equal(oa._clientOptions.followRedirects, true)
+      }
+    },
+    'When generating the signature base string described in http://oauth.net/core/1.0/#sig_base_example': {
+        topic: new OAuth(null, null, null, null, null, null, "HMAC-SHA1"),
+        'we get the expected result string': function (oa) {
+          var result= oa._createSignatureBase("GET", "http://photos.example.net/photos",
+                                              "file=vacation.jpg&oauth_consumer_key=dpf43f3p2l4k3l03&oauth_nonce=kllo9940pd9333jh&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1191242096&oauth_token=nnch734d00sl2jdk&oauth_version=1.0&size=original")
+          assert.equal( result, "GET&http%3A%2F%2Fphotos.example.net%2Fphotos&file%3Dvacation.jpg%26oauth_consumer_key%3Ddpf43f3p2l4k3l03%26oauth_nonce%3Dkllo9940pd9333jh%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1191242096%26oauth_token%3Dnnch734d00sl2jdk%26oauth_version%3D1.0%26size%3Doriginal");
+        }
+    },
+    'When generating the signature with RSA-SHA1': {
+        topic: new OAuth(null, null, null, RsaPrivateKey, null, null, "RSA-SHA1"),
+        'we get a valid oauth signature': function (oa) {
+            var signatureBase = "GET&http%3A%2F%2Fphotos.example.net%2Fphotos&file%3Dvacation.jpg%26oauth_consumer_key%3Ddpf43f3p2l4k3l03%26oauth_nonce%3Dkllo9940pd9333jh%26oauth_signature_method%3DRSA-SHA1%26oauth_timestamp%3D1191242096%26oauth_token%3Dnnch734d00sl2jdk%26oauth_version%3D1.0%26size%3Doriginal";
+            var oauthSignature = oa._createSignature(signatureBase, "xyz4992k83j47x0b");
+            
+            assert.equal( oauthSignature, "qS4rhWog7GPgo4ZCJvUdC/1ZAax/Q4Ab9yOBvgxSopvmKUKp5rso+Zda46GbyN2hnYDTiA/g3P/d/YiPWa454BEBb/KWFV83HpLDIoqUUhJnlXX9MqRQQac0oeope4fWbGlfTdL2PXjSFJmvfrzybERD/ZufsFtVrQKS3QBpYiw=");
+            
+            //now check that given the public key we can verify this signature
+            var verifier = crypto.createVerify("RSA-SHA1").update(signatureBase);
+            var valid = verifier.verify(RsaPublicKey, oauthSignature, 'base64');
+            assert.ok( valid, "Signature could not be verified with RSA public key");
+        }
+    },
+    'When generating the signature base string with PLAINTEXT': {
+        topic: new OAuth(null, null, null, null, null, null, "PLAINTEXT"),
+        'we get the expected result string': function (oa) {
+          var result= oa._getSignature("GET", "http://photos.example.net/photos",
+                                              "file=vacation.jpg&oauth_consumer_key=dpf43f3p2l4k3l03&oauth_nonce=kllo9940pd9333jh&oauth_signature_method=PLAINTEXT&oauth_timestamp=1191242096&oauth_token=nnch734d00sl2jdk&oauth_version=1.0&size=original",
+                                              "test");
+          assert.equal( result, "&test");
+        }
+    },
+    'When normalising a url': {
+      topic: new OAuth(null, null, null, null, null, null, "HMAC-SHA1"),
+      'default ports should be stripped': function(oa) {
+        assert.equal( oa._normalizeUrl("https://somehost.com:443/foo/bar"), "https://somehost.com/foo/bar" );
+      },
+      'should leave in non-default ports from urls for use in signature generation': function(oa) {
+        assert.equal( oa._normalizeUrl("https://somehost.com:446/foo/bar"), "https://somehost.com:446/foo/bar" );
+        assert.equal( oa._normalizeUrl("http://somehost.com:81/foo/bar"), "http://somehost.com:81/foo/bar" );
+      },
+      'should add a trailing slash when no path at all is present': function(oa) {
+        assert.equal( oa._normalizeUrl("http://somehost.com"),  "http://somehost.com/")
+      }
+    },
+    'When making an array out of the arguments hash' : {
+      topic: new OAuth(null, null, null, null, null, null, "HMAC-SHA1"),
+      'flatten out arguments that are arrays' : function(oa) {
+        var parameters= {"z": "a",
+                      "a": ["1", "2"],
+                      "1": "c" };
+        var parameterResults= oa._makeArrayOfArgumentsHash(parameters);
+        assert.equal(parameterResults.length, 4);
+        assert.equal(parameterResults[0][0], "1");
+        assert.equal(parameterResults[1][0], "z");
+        assert.equal(parameterResults[2][0], "a");
+        assert.equal(parameterResults[3][0], "a");
+      }
+    },
+    'When ordering the request parameters'  : {
+      topic: new OAuth(null, null, null, null, null, null, "HMAC-SHA1"),
+      'Order them by name' : function(oa) {
+        var parameters= {"z": "a",
+                      "a": "b",
+                      "1": "c" };
+        var parameterResults= oa._sortRequestParams(oa._makeArrayOfArgumentsHash(parameters))
+        assert.equal(parameterResults[0][0], "1");
+        assert.equal(parameterResults[1][0], "a");
+        assert.equal(parameterResults[2][0], "z");
+      },
+      'If two parameter names are the same then order by the value': function(oa) {
+        var parameters= {"z": "a",
+                      "a": ["z", "b", "b", "a", "y"],
+                      "1": "c" };
+        var parameterResults= oa._sortRequestParams(oa._makeArrayOfArgumentsHash(parameters))
+        assert.equal(parameterResults[0][0], "1");
+        assert.equal(parameterResults[1][0], "a");
+        assert.equal(parameterResults[1][1], "a");
+        assert.equal(parameterResults[2][0], "a");
+        assert.equal(parameterResults[2][1], "b");
+        assert.equal(parameterResults[3][0], "a");
+        assert.equal(parameterResults[3][1], "b");
+        assert.equal(parameterResults[4][0], "a");
+        assert.equal(parameterResults[4][1], "y");
+        assert.equal(parameterResults[5][0], "a");
+        assert.equal(parameterResults[5][1], "z");
+        assert.equal(parameterResults[6][0], "z");
+      }
+    },
+    'When normalising the request parameters': {
+      topic: new OAuth(null, null, null, null, null, null, "HMAC-SHA1"),
+      'the resulting parameters should be encoded and ordered as per http://tools.ietf.org/html/rfc5849#section-3.1 (3.4.1.3.2)' : function(oa) {
+        var parameters= {"b5" : "=%3D",
+          "a3": ["a", "2 q"],
+          "c@": "",
+          "a2": "r b",
+          "oauth_consumer_key": "9djdj82h48djs9d2",
+          "oauth_token":"kkk9d7dh3k39sjv7",
+          "oauth_signature_method": "HMAC-SHA1",
+          "oauth_timestamp": "137131201",
+          "oauth_nonce": "7d8f3e4a",
+          "c2" :  ""};
+        var normalisedParameterString= oa._normaliseRequestParams(parameters);
+        assert.equal(normalisedParameterString, "a2=r%20b&a3=2%20q&a3=a&b5=%3D%253D&c%40=&c2=&oauth_consumer_key=9djdj82h48djs9d2&oauth_nonce=7d8f3e4a&oauth_signature_method=HMAC-SHA1&oauth_timestamp=137131201&oauth_token=kkk9d7dh3k39sjv7");
+      }
+    },
+    'When preparing the parameters for use in signing': {
+      topic: new OAuth(null, null, null, null, null, null, "HMAC-SHA1"),
+      'We need to be wary of node\'s auto object creation from foo[bar] style url parameters' : function(oa) {
+        var result= oa._prepareParameters( "", "", "", "http://foo.com?foo[bar]=xxx&bar[foo]=yyy", {} );
+        assert.equal( result[0][0], "bar[foo]")
+        assert.equal( result[0][1], "yyy")
+        assert.equal( result[1][0], "foo[bar]")
+        assert.equal( result[1][1], "xxx")
+      }
+    },
+    'When signing a url': {
+      topic: function() {
+        var oa= new OAuth(null, null, "consumerkey", "consumersecret", "1.0", null, "HMAC-SHA1");
+        oa._getTimestamp= function(){ return "1272399856"; }
+        oa._getNonce= function(){ return "ybHPeOEkAUJ3k2wJT9Xb43MjtSgTvKqp"; }
+        return oa;
+      },
+      'Provide a valid signature when no token present': function(oa) {
+        assert.equal( oa.signUrl("http://somehost.com:3323/foo/poop?bar=foo"), "http://somehost.com:3323/foo/poop?bar=foo&oauth_consumer_key=consumerkey&oauth_nonce=ybHPeOEkAUJ3k2wJT9Xb43MjtSgTvKqp&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1272399856&oauth_version=1.0&oauth_signature=7ytO8vPSLut2GzHjU9pn1SV9xjc%3D");
+      },
+      'Provide a valid signature when a token is present': function(oa) {
+        assert.equal( oa.signUrl("http://somehost.com:3323/foo/poop?bar=foo", "token"), "http://somehost.com:3323/foo/poop?bar=foo&oauth_consumer_key=consumerkey&oauth_nonce=ybHPeOEkAUJ3k2wJT9Xb43MjtSgTvKqp&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1272399856&oauth_token=token&oauth_version=1.0&oauth_signature=9LwCuCWw5sURtpMroIolU3YwsdI%3D");
+      },
+      'Provide a valid signature when a token and a token secret is present': function(oa) {
+        assert.equal( oa.signUrl("http://somehost.com:3323/foo/poop?bar=foo", "token", "tokensecret"), "http://somehost.com:3323/foo/poop?bar=foo&oauth_consumer_key=consumerkey&oauth_nonce=ybHPeOEkAUJ3k2wJT9Xb43MjtSgTvKqp&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1272399856&oauth_token=token&oauth_version=1.0&oauth_signature=zeOR0Wsm6EG6XSg0Vw%2FsbpoSib8%3D");
+      }
+    },
+    'When getting a request token': {
+        topic: function() {
+          var oa= new OAuth(null, null, "consumerkey", "consumersecret", "1.0", null, "HMAC-SHA1");
+          oa._getTimestamp= function(){ return "1272399856"; }
+          oa._getNonce= function(){ return "ybHPeOEkAUJ3k2wJT9Xb43MjtSgTvKqp"; }
+          oa._performSecureRequest= function(){ return this.requestArguments = arguments; }
+          return oa;
+        },
+        'Use the HTTP method in the client options': function(oa) {
+          oa.setClientOptions({ requestTokenHttpMethod: "GET" });
+          oa.getOAuthRequestToken(function() {});
+          assert.equal(oa.requestArguments[2], "GET");
+        },
+        'Use a POST by default': function(oa) {
+          oa.setClientOptions({});
+          oa.getOAuthRequestToken(function() {});
+          assert.equal(oa.requestArguments[2], "POST");
+        }
+    },
+    'When getting an access token': {
+        topic: function() {
+          var oa= new OAuth(null, null, "consumerkey", "consumersecret", "1.0", null, "HMAC-SHA1");
+          oa._getTimestamp= function(){ return "1272399856"; }
+          oa._getNonce= function(){ return "ybHPeOEkAUJ3k2wJT9Xb43MjtSgTvKqp"; }
+          oa._performSecureRequest= function(){ return this.requestArguments = arguments; }
+          return oa;
+        },
+        'Use the HTTP method in the client options': function(oa) {
+          oa.setClientOptions({ accessTokenHttpMethod: "GET" });
+          oa.getOAuthAccessToken(function() {});
+          assert.equal(oa.requestArguments[2], "GET");
+        },
+        'Use a POST by default': function(oa) {
+          oa.setClientOptions({});
+          oa.getOAuthAccessToken(function() {});
+          assert.equal(oa.requestArguments[2], "POST");
+        }
+    },
+    'When get authorization header' : {
+        topic: function() {
+          var oa= new OAuth(null, null, "consumerkey", "consumersecret", "1.0", null, "HMAC-SHA1");
+          oa._getTimestamp= function(){ return "1272399856"; }
+          oa._getNonce= function(){ return "ybHPeOEkAUJ3k2wJT9Xb43MjtSgTvKqp"; }
+          return oa;
+        },
+        'Provide a valid signature when a token and a token secret is present': function(oa) {
+          assert.equal( oa.authHeader("http://somehost.com:3323/foo/poop?bar=foo", "token", "tokensecret"), 'OAuth oauth_consumer_key="consumerkey",oauth_nonce="ybHPeOEkAUJ3k2wJT9Xb43MjtSgTvKqp",oauth_signature_method="HMAC-SHA1",oauth_timestamp="1272399856",oauth_token="token",oauth_version="1.0",oauth_signature="zeOR0Wsm6EG6XSg0Vw%2FsbpoSib8%3D"');
+        },
+        'Support variable whitespace separating the arguments': function(oa) {
+            oa._oauthParameterSeperator= ", ";
+            assert.equal( oa.authHeader("http://somehost.com:3323/foo/poop?bar=foo", "token", "tokensecret"), 'OAuth oauth_consumer_key="consumerkey", oauth_nonce="ybHPeOEkAUJ3k2wJT9Xb43MjtSgTvKqp", oauth_signature_method="HMAC-SHA1", oauth_timestamp="1272399856", oauth_token="token", oauth_version="1.0", oauth_signature="zeOR0Wsm6EG6XSg0Vw%2FsbpoSib8%3D"');
+        }
+    },
+    'When get the OAuth Echo authorization header': {
+      topic: function () {
+        var realm = "http://foobar.com/";
+        var verifyCredentials = "http://api.foobar.com/verify.json";
+        var oa = new OAuthEcho(realm, verifyCredentials, "consumerkey", "consumersecret", "1.0A", "HMAC-SHA1");
+        oa._getTimestamp= function(){ return "1272399856"; }
+        oa._getNonce= function(){ return "ybHPeOEkAUJ3k2wJT9Xb43MjtSgTvKqp"; }
+        return oa;
+      },
+      'Provide a valid signature when a token and token secret is present': function (oa) {
+        assert.equal( oa.authHeader("http://somehost.com:3323/foo/poop?bar=foo", "token", "tokensecret"), 'OAuth realm="http://foobar.com/",oauth_consumer_key="consumerkey",oauth_nonce="ybHPeOEkAUJ3k2wJT9Xb43MjtSgTvKqp",oauth_signature_method="HMAC-SHA1",oauth_timestamp="1272399856",oauth_token="token",oauth_version="1.0A",oauth_signature="0rr1LhSxACX2IEWRq3uCb4IwtOs%3D"');
+      }
+    },
+    'When non standard ports are used': {
+        topic: function() {
+          var oa= new OAuth(null, null, null, null, null, null, "HMAC-SHA1"),
+          mockProvider= {};
+
+          oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+            assert.equal(headers.Host, "somehost.com:8080");
+            assert.equal(hostname, "somehost.com");
+            assert.equal(port, "8080");
+            return {
+              on: function() {},
+              end: function() {}
+            };
+          }
+          return oa;
+        },
+        'getProtectedResource should correctly define the host headers': function(oa) {
+          oa.getProtectedResource("http://somehost.com:8080", "GET", "oauth_token", null, function(){})
+        }
+    },
+    'When building the OAuth Authorization header': {
+      topic: new OAuth(null, null, null, null, null, null, "HMAC-SHA1"),
+      'All provided oauth arguments should be concatentated correctly' : function(oa) {
+       var parameters= [
+          ["oauth_timestamp",         "1234567"],
+          ["oauth_nonce",             "ABCDEF"],
+          ["oauth_version",           "1.0"],
+          ["oauth_signature_method",  "HMAC-SHA1"],
+          ["oauth_consumer_key",      "asdasdnm2321b3"]];
+        assert.equal(oa._buildAuthorizationHeaders(parameters), 'OAuth oauth_timestamp="1234567",oauth_nonce="ABCDEF",oauth_version="1.0",oauth_signature_method="HMAC-SHA1",oauth_consumer_key="asdasdnm2321b3"');
+      },
+      '*Only* Oauth arguments should be concatentated, others should be disregarded' : function(oa) {
+       var parameters= [
+          ["foo",         "2343"],
+          ["oauth_timestamp",         "1234567"],
+          ["oauth_nonce",             "ABCDEF"],
+          ["bar",             "dfsdfd"],
+          ["oauth_version",           "1.0"],
+          ["oauth_signature_method",  "HMAC-SHA1"],
+          ["oauth_consumer_key",      "asdasdnm2321b3"],
+          ["foobar",      "asdasdnm2321b3"]];
+        assert.equal(oa._buildAuthorizationHeaders(parameters), 'OAuth oauth_timestamp="1234567",oauth_nonce="ABCDEF",oauth_version="1.0",oauth_signature_method="HMAC-SHA1",oauth_consumer_key="asdasdnm2321b3"');
+      },
+      '_buildAuthorizationHeaders should not depends on Array.prototype.toString' : function(oa) {
+       var _toString = Array.prototype.toString;
+       Array.prototype.toString = function(){ return '[Array] ' + this.length; }; // toString overwrite example used in jsdom.
+       var parameters= [
+          ["foo",         "2343"],
+          ["oauth_timestamp",         "1234567"],
+          ["oauth_nonce",             "ABCDEF"],
+          ["bar",             "dfsdfd"],
+          ["oauth_version",           "1.0"],
+          ["oauth_signature_method",  "HMAC-SHA1"],
+          ["oauth_consumer_key",      "asdasdnm2321b3"],
+          ["foobar",      "asdasdnm2321b3"]];
+        assert.equal(oa._buildAuthorizationHeaders(parameters), 'OAuth oauth_timestamp="1234567",oauth_nonce="ABCDEF",oauth_version="1.0",oauth_signature_method="HMAC-SHA1",oauth_consumer_key="asdasdnm2321b3"');
+       Array.prototype.toString = _toString;
+      }
+    },
+    'When performing the Secure Request' : {
+      topic: new OAuth("http://foo.com/RequestToken",
+                       "http://foo.com/AccessToken",
+                       "anonymous",  "anonymous",
+                       "1.0A", "http://foo.com/callback", "HMAC-SHA1"),
+      'using the POST method' : {
+        'Any passed extra_params should form part of the POST body': function(oa) {
+          var post_body_written= false;
+          var op= oa._createClient;
+          try {
+            oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+              return {
+                write: function(post_body){
+                  post_body_written= true;
+                  assert.equal(post_body,"scope=foobar%2C1%2C2");
+                }
+              };
+            }
+            oa._performSecureRequest("token", "token_secret", 'POST', 'http://foo.com/protected_resource', {"scope": "foobar,1,2"});
+            assert.equal(post_body_written, true);
+          }
+          finally {
+            oa._createClient= op;
+          }
+        }
+      }
+    },
+    'When performing a secure' : {
+      topic: new OAuth("http://foo.com/RequestToken",
+                       "http://foo.com/AccessToken",
+                       "anonymous",  "anonymous",
+                       "1.0A", "http://foo.com/callback", "HMAC-SHA1"),
+      'POST' : {
+        'if no callback is passed' : {
+          'it should return a request object': function(oa) {
+            var request= oa.post("http://foo.com/blah", "token", "token_secret", "BLAH", "text/plain")
+            assert.isObject(request);
+            assert.equal(request.method, "POST");
+            request.end();
+          }
+        },
+        'if a callback is passed' : {
+          "it should call the internal request's end method and return nothing": function(oa) {
+            var callbackCalled= false;
+            var op= oa._createClient;
+            try {
+              oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                return {
+                  write: function(){},
+                  on: function() {},
+                  end: function() {
+                    callbackCalled= true;
+                  }
+                };
+              }
+              var request= oa.post("http://foo.com/blah", "token", "token_secret", "BLAH", "text/plain", function(e,d){})
+              assert.equal(callbackCalled, true);
+              assert.isUndefined(request);
+            }
+            finally {
+              oa._createClient= op;
+            }
+          }
+        },
+        'if the post_body is a buffer' : {
+          "It should be passed through as is, and the original content-type (if specified) should be passed through": function(oa) {
+            var op= oa._createClient;
+            try {
+              var callbackCalled= false;
+              oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                assert.equal(headers["Content-Type"], "image/jpeg")
+                return {
+                  write: function(data){
+                    callbackCalled= true;
+                    assert.equal(data.length, 4);
+                  },
+                  on: function() {},
+                  end: function() {
+                  }
+                };
+              }
+              var request= oa.post("http://foo.com/blah", "token", "token_secret", new Buffer([10,20,30,40]), "image/jpeg")
+              assert.equal(callbackCalled, true);
+            }
+            finally {
+              oa._createClient= op;
+            }
+          },
+          "It should be passed through as is, and no content-type is specified.": function(oa) {
+            //Should probably actually set application/octet-stream, but to avoid a change in behaviour
+            // will just document (here) that the library will set it to application/x-www-form-urlencoded
+            var op= oa._createClient;
+            try {
+              var callbackCalled= false;
+              oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                assert.equal(headers["Content-Type"], "application/x-www-form-urlencoded")
+                return {
+                  write: function(data){
+                    callbackCalled= true;
+                    assert.equal(data.length, 4);
+                  },
+                  on: function() {},
+                  end: function() {
+                  }
+                };
+              }
+              var request= oa.post("http://foo.com/blah", "token", "token_secret", new Buffer([10,20,30,40]))
+              assert.equal(callbackCalled, true);
+            }
+            finally {
+              oa._createClient= op;
+            }
+          }
+        },
+        'if the post_body is not a string or a buffer' : {
+          "It should be url encoded and the content type set to be x-www-form-urlencoded" : function(oa) {
+            var op= oa._createClient;
+            try {
+              var callbackCalled= false;
+              oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                assert.equal(headers["Content-Type"], "application/x-www-form-urlencoded")
+                return {
+                  write: function(data){
+                    callbackCalled= true;
+                    assert.equal(data, "foo=1%2C2%2C3&bar=1%2B2");
+                  },
+                  on: function() {},
+                  end: function() {
+                  }
+                };
+              }
+              var request= oa.post("http://foo.com/blah", "token", "token_secret", {"foo":"1,2,3", "bar":"1+2"})
+              assert.equal(callbackCalled, true);
+            }
+            finally {
+              oa._createClient= op;
+            }
+          }
+        },
+        'if the post_body is a string' : {
+          "and it contains non ascii (7/8bit) characters" : {
+           "the content length should be the byte count, and not the string length"  : function(oa) {
+             var testString= "Tôi yêu node";
+             var testStringLength= testString.length;
+             var testStringBytesLength= Buffer.byteLength(testString);
+             assert.notEqual(testStringLength, testStringBytesLength); // Make sure we're testing a string that differs between byte-length and char-length!
+
+             var op= oa._createClient;
+             try {
+               var callbackCalled= false;
+               oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                 assert.equal(headers["Content-length"], testStringBytesLength);
+                 return {
+                   write: function(data){
+                     callbackCalled= true;
+                     assert.equal(data, testString);
+                   },
+                   on: function() {},
+                   end: function() {
+                   }
+                 };
+                }
+                var request= oa.post("http://foo.com/blah", "token", "token_secret", "Tôi yêu node")
+                assert.equal(callbackCalled, true);
+              }
+              finally {
+                oa._createClient= op;
+              }
+           }
+          },
+          "and no post_content_type is specified" : {
+            "It should be written as is, with a content length specified, and the encoding should be set to be x-www-form-urlencoded" : function(oa) {
+              var op= oa._createClient;
+              try {
+                var callbackCalled= false;
+                oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                  assert.equal(headers["Content-Type"], "application/x-www-form-urlencoded");
+                  assert.equal(headers["Content-length"], 23);
+                  return {
+                    write: function(data){
+                      callbackCalled= true;
+                      assert.equal(data, "foo=1%2C2%2C3&bar=1%2B2");
+                    },
+                    on: function() {},
+                    end: function() {
+                    }
+                  };
+                 }
+                 var request= oa.post("http://foo.com/blah", "token", "token_secret", "foo=1%2C2%2C3&bar=1%2B2")
+                 assert.equal(callbackCalled, true);
+               }
+               finally {
+                 oa._createClient= op;
+               }
+             }
+           },
+           "and a post_content_type is specified" : {
+             "It should be written as is, with a content length specified, and the encoding should be set to be as specified" : function(oa) {
+               var op= oa._createClient;
+               try {
+                 var callbackCalled= false;
+                 oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                   assert.equal(headers["Content-Type"], "unicorn/encoded");
+                   assert.equal(headers["Content-length"], 23);
+                   return {
+                     write: function(data){
+                       callbackCalled= true;
+                       assert.equal(data, "foo=1%2C2%2C3&bar=1%2B2");
+                     },
+                     on: function() {},
+                     end: function() {
+                     }
+                   };
+                  }
+                 var request= oa.post("http://foo.com/blah", "token", "token_secret", "foo=1%2C2%2C3&bar=1%2B2", "unicorn/encoded")
+                 assert.equal(callbackCalled, true);
+               }
+               finally {
+                 oa._createClient= op;
+               }
+             }
+           }
+         }
+       },
+       'GET' : {
+         'if no callback is passed' : {
+           'it should return a request object': function(oa) {
+             var request= oa.get("http://foo.com/blah", "token", "token_secret")
+             assert.isObject(request);
+             assert.equal(request.method, "GET");
+             request.end();
+           }
+         },
+         'if a callback is passed' : {
+           "it should call the internal request's end method and return nothing": function(oa) {
+             var callbackCalled= false;
+             var op= oa._createClient;
+             try {
+               oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                 return {
+                   on: function() {},
+                   end: function() {
+                     callbackCalled= true;
+                   }
+                 };
+               }
+               var request= oa.get("http://foo.com/blah", "token", "token_secret", function(e,d) {})
+               assert.equal(callbackCalled, true);
+               assert.isUndefined(request);
+             }
+             finally {
+               oa._createClient= op;
+             }
+           }
+         },
+       },
+       'PUT' : {
+         'if no callback is passed' : {
+           'it should return a request object': function(oa) {
+             var request= oa.put("http://foo.com/blah", "token", "token_secret", "BLAH", "text/plain")
+             assert.isObject(request);
+             assert.equal(request.method, "PUT");
+             request.end();
+           }
+         },
+         'if a callback is passed' : {
+           "it should call the internal request's end method and return nothing": function(oa) {
+             var callbackCalled= 0;
+             var op= oa._createClient;
+             try {
+               oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                 return {
+                   on: function() {},
+                   write: function(data) {
+                     callbackCalled++;
+                   },
+                   end: function() {
+                     callbackCalled++;
+                   }
+                 };
+               }
+               var request= oa.put("http://foo.com/blah", "token", "token_secret", "BLAH", "text/plain", function(e,d){})
+               assert.equal(callbackCalled, 2);
+               assert.isUndefined(request);
+             }
+             finally {
+               oa._createClient= op;
+             }
+           }
+         },
+         'if the post_body is a buffer' : {
+           "It should be passed through as is, and the original content-type (if specified) should be passed through": function(oa) {
+             var op= oa._createClient;
+             try {
+               var callbackCalled= false;
+               oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                 assert.equal(headers["Content-Type"], "image/jpeg")
+                 return {
+                   write: function(data){
+                     callbackCalled= true;
+                     assert.equal(data.length, 4);
+                   },
+                   on: function() {},
+                   end: function() {
+                   }
+                 };
+               }
+               var request= oa.put("http://foo.com/blah", "token", "token_secret", new Buffer([10,20,30,40]), "image/jpeg")
+               assert.equal(callbackCalled, true);
+             }
+             finally {
+               oa._createClient= op;
+             }
+           },
+           "It should be passed through as is, and no content-type is specified.": function(oa) {
+             //Should probably actually set application/octet-stream, but to avoid a change in behaviour
+             // will just document (here) that the library will set it to application/x-www-form-urlencoded
+             var op= oa._createClient;
+             try {
+               var callbackCalled= false;
+               oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                 assert.equal(headers["Content-Type"], "application/x-www-form-urlencoded")
+                 return {
+                   write: function(data){
+                     callbackCalled= true;
+                     assert.equal(data.length, 4);
+                   },
+                   on: function() {},
+                   end: function() {
+                   }
+                 };
+               }
+               var request= oa.put("http://foo.com/blah", "token", "token_secret", new Buffer([10,20,30,40]))
+               assert.equal(callbackCalled, true);
+             }
+             finally {
+               oa._createClient= op;
+             }
+           }
+         },
+         'if the post_body is not a string' : {
+           "It should be url encoded and the content type set to be x-www-form-urlencoded" : function(oa) {
+             var op= oa._createClient;
+             try {
+               var callbackCalled= false;
+               oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                 assert.equal(headers["Content-Type"], "application/x-www-form-urlencoded")
+                 return {
+                   write: function(data) {
+                     callbackCalled= true;
+                     assert.equal(data, "foo=1%2C2%2C3&bar=1%2B2");
+                   }
+                 };
+               }
+               var request= oa.put("http://foo.com/blah", "token", "token_secret", {"foo":"1,2,3", "bar":"1+2"})
+               assert.equal(callbackCalled, true);
+             }
+             finally {
+               oa._createClient= op;
+             }
+           }
+         },
+         'if the post_body is a string' : {
+           "and no post_content_type is specified" : {
+             "It should be written as is, with a content length specified, and the encoding should be set to be x-www-form-urlencoded" : function(oa) {
+                var op= oa._createClient;
+                try {
+                  var callbackCalled= false;
+                  oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                    assert.equal(headers["Content-Type"], "application/x-www-form-urlencoded");
+                    assert.equal(headers["Content-length"], 23);
+                    return {
+                      write: function(data) {
+                        callbackCalled= true;
+                        assert.equal(data, "foo=1%2C2%2C3&bar=1%2B2");
+                      }
+                    };
+                  }
+                  var request= oa.put("http://foo.com/blah", "token", "token_secret", "foo=1%2C2%2C3&bar=1%2B2")
+                  assert.equal(callbackCalled, true);
+                }
+                finally {
+                  oa._createClient= op;
+                }
+              }
+            },
+            "and a post_content_type is specified" : {
+              "It should be written as is, with a content length specified, and the encoding should be set to be as specified" : function(oa) {
+                var op= oa._createClient;
+                try {
+                  var callbackCalled= false;
+                  oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                    assert.equal(headers["Content-Type"], "unicorn/encoded");
+                    assert.equal(headers["Content-length"], 23);
+                    return {
+                      write: function(data) {
+                         callbackCalled= true;
+                         assert.equal(data, "foo=1%2C2%2C3&bar=1%2B2");
+                       }
+                    };
+                  }
+                  var request= oa.put("http://foo.com/blah", "token", "token_secret", "foo=1%2C2%2C3&bar=1%2B2", "unicorn/encoded")
+                  assert.equal(callbackCalled, true);
+                }
+                finally {
+                  oa._createClient= op;
+                }
+              }
+            }
+          }
+        },
+       'DELETE' : {
+         'if no callback is passed' : {
+           'it should return a request object': function(oa) {
+             var request= oa.delete("http://foo.com/blah", "token", "token_secret")
+             assert.isObject(request);
+             assert.equal(request.method, "DELETE");
+             request.end();
+           }
+         },
+         'if a callback is passed' : {
+           "it should call the internal request's end method and return nothing": function(oa) {
+             var callbackCalled= false;
+             var op= oa._createClient;
+             try {
+               oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                 return {
+                   on: function() {},
+                   end: function() {
+                     callbackCalled= true;
+                   }
+                 };
+               }
+               var request= oa.delete("http://foo.com/blah", "token", "token_secret", function(e,d) {})
+               assert.equal(callbackCalled, true);
+               assert.isUndefined(request);
+             }
+             finally {
+               oa._createClient= op;
+             }
+           }
+         }
+       },
+       'Request With a Callback' : {
+          'and a 200 response code is received' : {
+            'it should callback successfully' : function(oa) {
+              var op= oa._createClient;
+              var callbackCalled = false;
+              try {
+                oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                  return new DummyRequest( new DummyResponse(200) );
+                }
+                oa._performSecureRequest("token", "token_secret", 'POST', 'http://originalurl.com', {"scope": "foobar,1,2"}, null, null, function(error) {
+                  // callback
+                  callbackCalled= true;
+                  assert.equal(error, undefined);
+                });
+                assert.equal(callbackCalled, true)
+              }
+              finally {
+                oa._createClient= op;
+              }
+            }
+          },
+          'and a 210 response code is received' : {
+            'it should callback successfully' : function(oa) {
+              var op= oa._createClient;
+              var callbackCalled = false;
+              try {
+                oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                  return new DummyRequest( new DummyResponse(210) );
+                }
+                oa._performSecureRequest("token", "token_secret", 'POST', 'http://originalurl.com', {"scope": "foobar,1,2"}, null, null, function(error) {
+                  // callback
+                  callbackCalled= true;
+                  assert.equal(error, undefined);
+                });
+                assert.equal(callbackCalled, true)
+              }
+              finally {
+                oa._createClient= op;
+              }
+            }
+          },
+          'And A 301 redirect is received' : {
+              'and there is a location header' : {
+                'it should (re)perform the secure request but with the new location' : function(oa) {
+                  var op= oa._createClient;
+                  var psr= oa._performSecureRequest;
+                  var responseCounter = 1;
+                  var callbackCalled = false;
+                  var DummyResponse =function() {
+                    if( responseCounter == 1 ){
+                      this.statusCode= 301;
+                      this.headers= {location:"http://redirectto.com"};
+                      responseCounter++;
+                    }
+                    else {
+                      this.statusCode= 200;
+                    }
+                  }
+                  DummyResponse.prototype= events.EventEmitter.prototype;
+                  DummyResponse.prototype.setEncoding= function() {}
+
+                  try {
+                    oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                      return new DummyRequest( new DummyResponse() );
+                    }
+                    oa._performSecureRequest= function( oauth_token, oauth_token_secret, method, url, extra_params, post_body, post_content_type,  callback ) {
+                      if( responseCounter == 1 ) {
+                        assert.equal(url, "http://originalurl.com");
+                      }
+                      else {
+                        assert.equal(url, "http://redirectto.com");
+                      }
+                      return psr.call(oa, oauth_token, oauth_token_secret, method, url, extra_params, post_body, post_content_type,  callback )
+                    }
+
+                    oa._performSecureRequest("token", "token_secret", 'POST', 'http://originalurl.com', {"scope": "foobar,1,2"}, null, null, function() {
+                      // callback
+                      assert.equal(responseCounter, 2);
+                      callbackCalled= true;
+                    });
+                    assert.equal(callbackCalled, true)
+                  }
+                  finally {
+                    oa._createClient= op;
+                    oa._performSecureRequest= psr;
+                  }
+                }
+              },
+              'but there is no location header' : {
+                'it should execute the callback, passing the HTTP Response code' : function(oa) {
+                  var op= oa._createClient;
+                  var callbackCalled = false;
+                  try {
+                    oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                      return new DummyRequest( new DummyResponse(301) );
+                    }
+                    oa._performSecureRequest("token", "token_secret", 'POST', 'http://originalurl.com', {"scope": "foobar,1,2"}, null, null, function(error) {
+                      // callback
+                      assert.equal(error.statusCode, 301);
+                      callbackCalled= true;
+                    });
+                    assert.equal(callbackCalled, true)
+                  }
+                  finally {
+                    oa._createClient= op;
+                  }
+                }
+              },
+              'and followRedirect is true' : {
+                'it should (re)perform the secure request but with the new location' : function(oa) {
+                  var op= oa._createClient;
+                  var psr= oa._performSecureRequest;
+                  var responseCounter = 1;
+                  var callbackCalled = false;
+                  var DummyResponse =function() {
+                    if( responseCounter == 1 ){
+                      this.statusCode= 301;
+                      this.headers= {location:"http://redirectto.com"};
+                      responseCounter++;
+                    }
+                    else {
+                      this.statusCode= 200;
+                    }
+                  }
+                  DummyResponse.prototype= events.EventEmitter.prototype;
+                  DummyResponse.prototype.setEncoding= function() {}
+
+                  try {
+                    oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                      return new DummyRequest( new DummyResponse() );
+                    }
+                    oa._performSecureRequest= function( oauth_token, oauth_token_secret, method, url, extra_params, post_body, post_content_type,  callback ) {
+                      if( responseCounter == 1 ) {
+                        assert.equal(url, "http://originalurl.com");
+                      }
+                      else {
+                        assert.equal(url, "http://redirectto.com");
+                      }
+                      return psr.call(oa, oauth_token, oauth_token_secret, method, url, extra_params, post_body, post_content_type,  callback )
+                    }
+
+                    oa._performSecureRequest("token", "token_secret", 'POST', 'http://originalurl.com', {"scope": "foobar,1,2"}, null, null, function() {
+                      // callback
+                      assert.equal(responseCounter, 2);
+                      callbackCalled= true;
+                    });
+                    assert.equal(callbackCalled, true)
+                  }
+                  finally {
+                    oa._createClient= op;
+                    oa._performSecureRequest= psr;
+                  }
+                }
+              },
+              'and followRedirect is false' : {
+                'it should not perform the secure request with the new location' : function(oa) {
+                  var op= oa._createClient;
+                  oa.setClientOptions({ followRedirects: false });
+                  var DummyResponse =function() {
+                      this.statusCode= 301;
+                      this.headers= {location:"http://redirectto.com"};
+                  }
+                  DummyResponse.prototype= events.EventEmitter.prototype;
+                  DummyResponse.prototype.setEncoding= function() {}
+
+                  try {
+                    oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                      return new DummyRequest( new DummyResponse() );
+                    }
+                    oa._performSecureRequest("token", "token_secret", 'POST', 'http://originalurl.com', {"scope": "foobar,1,2"}, null, null, function(res, data, response) {
+                      // callback
+                      assert.equal(res.statusCode, 301);
+                    });
+                  }
+                  finally {
+                    oa._createClient= op;
+                    oa.setClientOptions({followRedirects:true});
+                  }
+                }
+              }
+            },
+          'And A 302 redirect is received' : {
+            'and there is a location header' : {
+              'it should (re)perform the secure request but with the new location' : function(oa) {
+                var op= oa._createClient;
+                var psr= oa._performSecureRequest;
+                var responseCounter = 1;
+                var callbackCalled = false;
+                var DummyResponse =function() {
+                  if( responseCounter == 1 ){
+                    this.statusCode= 302;
+                    this.headers= {location:"http://redirectto.com"};
+                    responseCounter++;
+                  }
+                  else {
+                    this.statusCode= 200;
+                  }
+                }
+                DummyResponse.prototype= events.EventEmitter.prototype;
+                DummyResponse.prototype.setEncoding= function() {}
+
+                try {
+                  oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                    return new DummyRequest( new DummyResponse() );
+                  }
+                  oa._performSecureRequest= function( oauth_token, oauth_token_secret, method, url, extra_params, post_body, post_content_type,  callback ) {
+                    if( responseCounter == 1 ) {
+                      assert.equal(url, "http://originalurl.com");
+                    }
+                    else {
+                      assert.equal(url, "http://redirectto.com");
+                    }
+                    return psr.call(oa, oauth_token, oauth_token_secret, method, url, extra_params, post_body, post_content_type,  callback )
+                  }
+
+                  oa._performSecureRequest("token", "token_secret", 'POST', 'http://originalurl.com', {"scope": "foobar,1,2"}, null, null, function() {
+                    // callback
+                    assert.equal(responseCounter, 2);
+                    callbackCalled= true;
+                  });
+                  assert.equal(callbackCalled, true)
+                }
+                finally {
+                  oa._createClient= op;
+                  oa._performSecureRequest= psr;
+                }
+              }
+            },
+            'but there is no location header' : {
+              'it should execute the callback, passing the HTTP Response code' : function(oa) {
+                var op= oa._createClient;
+                var callbackCalled = false;
+                try {
+                  oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                    return new DummyRequest( new DummyResponse(302) );
+                  }
+                  oa._performSecureRequest("token", "token_secret", 'POST', 'http://originalurl.com', {"scope": "foobar,1,2"}, null, null, function(error) {
+                    // callback
+                    assert.equal(error.statusCode, 302);
+                    callbackCalled= true;
+                  });
+                  assert.equal(callbackCalled, true)
+                }
+                finally {
+                  oa._createClient= op;
+                }
+              }
+            },
+            'and followRedirect is true' : {
+                'it should (re)perform the secure request but with the new location' : function(oa) {
+                  var op= oa._createClient;
+                  var psr= oa._performSecureRequest;
+                  var responseCounter = 1;
+                  var callbackCalled = false;
+                  var DummyResponse =function() {
+                    if( responseCounter == 1 ){
+                      this.statusCode= 302;
+                      this.headers= {location:"http://redirectto.com"};
+                      responseCounter++;
+                    }
+                    else {
+                      this.statusCode= 200;
+                    }
+                  }
+                  DummyResponse.prototype= events.EventEmitter.prototype;
+                  DummyResponse.prototype.setEncoding= function() {}
+
+                  try {
+                    oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                      return new DummyRequest( new DummyResponse() );
+                    }
+                    oa._performSecureRequest= function( oauth_token, oauth_token_secret, method, url, extra_params, post_body, post_content_type,  callback ) {
+                      if( responseCounter == 1 ) {
+                        assert.equal(url, "http://originalurl.com");
+                      }
+                      else {
+                        assert.equal(url, "http://redirectto.com");
+                      }
+                      return psr.call(oa, oauth_token, oauth_token_secret, method, url, extra_params, post_body, post_content_type,  callback )
+                    }
+
+                    oa._performSecureRequest("token", "token_secret", 'POST', 'http://originalurl.com', {"scope": "foobar,1,2"}, null, null, function() {
+                      // callback
+                      assert.equal(responseCounter, 2);
+                      callbackCalled= true;
+                    });
+                    assert.equal(callbackCalled, true)
+                  }
+                  finally {
+                    oa._createClient= op;
+                    oa._performSecureRequest= psr;
+                  }
+                }
+              },
+              'and followRedirect is false' : {
+                'it should not perform the secure request with the new location' : function(oa) {
+                  var op= oa._createClient;
+                  oa.setClientOptions({ followRedirects: false });
+                  var DummyResponse =function() {
+                      this.statusCode= 302;
+                      this.headers= {location:"http://redirectto.com"};
+                  }
+                  DummyResponse.prototype= events.EventEmitter.prototype;
+                  DummyResponse.prototype.setEncoding= function() {}
+
+                  try {
+                    oa._createClient= function( port, hostname, method, path, headers, sshEnabled ) {
+                      return new DummyRequest( new DummyResponse() );
+                    }
+                    oa._performSecureRequest("token", "token_secret", 'POST', 'http://originalurl.com', {"scope": "foobar,1,2"}, null, null, function(res, data, response) {
+                      // callback
+                      assert.equal(res.statusCode, 302);
+                    });
+                  }
+                  finally {
+                    oa._createClient= op;
+                    oa.setClientOptions({followRedirects:true});
+                  }
+                }
+              }
+          }
+       }
+     }
+}).export(module);
diff --git a/node_modules/oauth/tests/sha1tests.js b/node_modules/oauth/tests/sha1tests.js
new file mode 100644
index 000000000..18ba0ae39
--- /dev/null
+++ b/node_modules/oauth/tests/sha1tests.js
@@ -0,0 +1,13 @@
+var vows = require('vows'),
+    assert = require('assert');
+
+vows.describe('SHA1 Hashing').addBatch({
+    'When using the SHA1 Hashing function': {
+        topic: require('../lib/sha1'),
+        'we get the specified digest as described in http://oauth.net/core/1.0/#sig_base_example (A.5.2)': function (sha1) {
+            assert.equal (sha1.HMACSHA1( "kd94hf93k423kf44&pfkkdhi9sl3r4s00",
+                           "GET&http%3A%2F%2Fphotos.example.net%2Fphotos&file%3Dvacation.jpg%26oauth_consumer_key%3Ddpf43f3p2l4k3l03%26oauth_nonce%3Dkllo9940pd9333jh%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1191242096%26oauth_token%3Dnnch734d00sl2jdk%26oauth_version%3D1.0%26size%3Doriginal"), 
+                           "tR3+Ty81lMeYAr/Fid0kMTYa/WM=");
+        }
+    }
+}).export(module);
\ No newline at end of file
diff --git a/node_modules/oauth/tests/shared.js b/node_modules/oauth/tests/shared.js
new file mode 100644
index 000000000..f4c809465
--- /dev/null
+++ b/node_modules/oauth/tests/shared.js
@@ -0,0 +1,26 @@
+var events = require('events');
+
+exports.DummyResponse = function( statusCode ) {
+    this.statusCode= statusCode;
+    this.headers= {};
+}
+exports.DummyResponse.prototype= events.EventEmitter.prototype;
+exports.DummyResponse.prototype.setEncoding= function() {}
+
+exports.DummyRequest =function( response ) {
+  this.response=  response;
+  this.responseSent= false;
+}
+exports.DummyRequest.prototype= events.EventEmitter.prototype;
+exports.DummyRequest.prototype.write= function(post_body){}
+exports.DummyRequest.prototype.write= function(post_body){
+  this.responseSent= true;
+  this.emit('response',this.response);
+}
+exports.DummyRequest.prototype.end= function(){
+  if(!this.responseSent) {
+    this.responseSent= true;
+    this.emit('response',this.response);
+  }
+  this.response.emit('end');
+}
\ No newline at end of file
diff --git a/node_modules/object-inspect/.eslintrc b/node_modules/object-inspect/.eslintrc
new file mode 100644
index 000000000..21f903923
--- /dev/null
+++ b/node_modules/object-inspect/.eslintrc
@@ -0,0 +1,53 @@
+{
+    "root": true,
+    "extends": "@ljharb",
+    "rules": {
+        "complexity": 0,
+        "func-style": [2, "declaration"],
+        "indent": [2, 4],
+        "max-lines": 1,
+        "max-lines-per-function": 1,
+        "max-params": [2, 4],
+        "max-statements": 0,
+        "max-statements-per-line": [2, { "max": 2 }],
+        "no-magic-numbers": 0,
+        "no-param-reassign": 1,
+        "strict": 0, // TODO
+    },
+    "overrides": [
+        {
+            "files": ["test/**", "test-*", "example/**"],
+            "extends": "@ljharb/eslint-config/tests",
+            "rules": {
+              "id-length": 0,
+            },
+        },
+        {
+            "files": ["example/**"],
+            "rules": {
+                "no-console": 0,
+            },
+        },
+        {
+            "files": ["test/browser/**"],
+            "env": {
+                "browser": true,
+            },
+        },
+        {
+            "files": ["test/bigint*"],
+            "rules": {
+                "new-cap": [2, { "capIsNewExceptions": ["BigInt"] }],
+            },
+        },
+        {
+            "files": "index.js",
+            "globals": {
+                "HTMLElement": false,
+            },
+            "rules": {
+                "no-use-before-define": 1,
+            },
+        },
+    ],
+}
diff --git a/node_modules/object-inspect/.github/FUNDING.yml b/node_modules/object-inspect/.github/FUNDING.yml
new file mode 100644
index 000000000..730276bd1
--- /dev/null
+++ b/node_modules/object-inspect/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/object-inspect
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/object-inspect/.nycrc b/node_modules/object-inspect/.nycrc
new file mode 100644
index 000000000..58a5db783
--- /dev/null
+++ b/node_modules/object-inspect/.nycrc
@@ -0,0 +1,13 @@
+{
+  "all": true,
+  "check-coverage": false,
+  "instrumentation": false,
+  "sourceMap": false,
+  "reporter": ["text-summary", "text", "html", "json"],
+  "exclude": [
+    "coverage",
+    "example",
+    "test",
+    "test-core-js.js"
+  ]
+}
diff --git a/node_modules/object-inspect/CHANGELOG.md b/node_modules/object-inspect/CHANGELOG.md
new file mode 100644
index 000000000..36d195819
--- /dev/null
+++ b/node_modules/object-inspect/CHANGELOG.md
@@ -0,0 +1,360 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.12.2](https://github.com/inspect-js/object-inspect/compare/v1.12.1...v1.12.2) - 2022-05-26
+
+### Commits
+
+- [Fix] use `util.inspect` for a custom inspection symbol method [`e243bf2`](https://github.com/inspect-js/object-inspect/commit/e243bf2eda6c4403ac6f1146fddb14d12e9646c1)
+- [meta] add support info [`ca20ba3`](https://github.com/inspect-js/object-inspect/commit/ca20ba35713c17068ca912a86c542f5e8acb656c)
+- [Fix] ignore `cause` in node v16.9 and v16.10 where it has a bug [`86aa553`](https://github.com/inspect-js/object-inspect/commit/86aa553a4a455562c2c56f1540f0bf857b9d314b)
+
+## [v1.12.1](https://github.com/inspect-js/object-inspect/compare/v1.12.0...v1.12.1) - 2022-05-21
+
+### Commits
+
+- [Tests] use `mock-property` [`4ec8893`](https://github.com/inspect-js/object-inspect/commit/4ec8893ea9bfd28065ca3638cf6762424bf44352)
+- [meta] use `npmignore` to autogenerate an npmignore file [`07f868c`](https://github.com/inspect-js/object-inspect/commit/07f868c10bd25a9d18686528339bb749c211fc9a)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`b05244b`](https://github.com/inspect-js/object-inspect/commit/b05244b4f331e00c43b3151bc498041be77ccc91)
+- [Dev Deps] update `@ljharb/eslint-config`, `error-cause`, `es-value-fixtures`, `functions-have-names`, `tape` [`d037398`](https://github.com/inspect-js/object-inspect/commit/d037398dcc5d531532e4c19c4a711ed677f579c1)
+- [Fix] properly handle callable regexes in older engines [`848fe48`](https://github.com/inspect-js/object-inspect/commit/848fe48bd6dd0064ba781ee6f3c5e54a94144c37)
+
+## [v1.12.0](https://github.com/inspect-js/object-inspect/compare/v1.11.1...v1.12.0) - 2021-12-18
+
+### Commits
+
+- [New] add `numericSeparator` boolean option [`2d2d537`](https://github.com/inspect-js/object-inspect/commit/2d2d537f5359a4300ce1c10241369f8024f89e11)
+- [Robustness] cache more prototype methods [`191533d`](https://github.com/inspect-js/object-inspect/commit/191533da8aec98a05eadd73a5a6e979c9c8653e8)
+- [New] ensure an Error’s `cause` is displayed [`53bc2ce`](https://github.com/inspect-js/object-inspect/commit/53bc2cee4e5a9cc4986f3cafa22c0685f340715e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config` [`bc164b6`](https://github.com/inspect-js/object-inspect/commit/bc164b6e2e7d36b263970f16f54de63048b84a36)
+- [Robustness] cache `RegExp.prototype.test` [`a314ab8`](https://github.com/inspect-js/object-inspect/commit/a314ab8271b905cbabc594c82914d2485a8daf12)
+- [meta] fix auto-changelog settings [`5ed0983`](https://github.com/inspect-js/object-inspect/commit/5ed0983be72f73e32e2559997517a95525c7e20d)
+
+## [v1.11.1](https://github.com/inspect-js/object-inspect/compare/v1.11.0...v1.11.1) - 2021-12-05
+
+### Commits
+
+- [meta] add `auto-changelog` [`7dbdd22`](https://github.com/inspect-js/object-inspect/commit/7dbdd228401d6025d8b7391476d88aee9ea9bbdf)
+- [actions] reuse common workflows [`c8823bc`](https://github.com/inspect-js/object-inspect/commit/c8823bc0a8790729680709d45fb6e652432e91aa)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `tape` [`7532b12`](https://github.com/inspect-js/object-inspect/commit/7532b120598307497b712890f75af8056f6d37a6)
+- [Refactor] use `has-tostringtag` to behave correctly in the presence of symbol shams [`94abb5d`](https://github.com/inspect-js/object-inspect/commit/94abb5d4e745bf33253942dea86b3e538d2ff6c6)
+- [actions] update codecov uploader [`5ed5102`](https://github.com/inspect-js/object-inspect/commit/5ed51025267a00e53b1341357315490ac4eb0874)
+- [Dev Deps] update `eslint`, `tape` [`37b2ad2`](https://github.com/inspect-js/object-inspect/commit/37b2ad26c08d94bfd01d5d07069a0b28ef4e2ad7)
+- [meta] add `sideEffects` flag [`d341f90`](https://github.com/inspect-js/object-inspect/commit/d341f905ef8bffa6a694cda6ddc5ba343532cd4f)
+
+## [v1.11.0](https://github.com/inspect-js/object-inspect/compare/v1.10.3...v1.11.0) - 2021-07-12
+
+### Commits
+
+- [New] `customInspect`: add `symbol` option, to mimic modern util.inspect behavior [`e973a6e`](https://github.com/inspect-js/object-inspect/commit/e973a6e21f8140c5837cf25e9d89bdde88dc3120)
+- [Dev Deps] update `eslint` [`05f1cb3`](https://github.com/inspect-js/object-inspect/commit/05f1cb3cbcfe1f238e8b51cf9bc294305b7ed793)
+
+## [v1.10.3](https://github.com/inspect-js/object-inspect/compare/v1.10.2...v1.10.3) - 2021-05-07
+
+### Commits
+
+- [Fix] handle core-js Symbol shams [`4acfc2c`](https://github.com/inspect-js/object-inspect/commit/4acfc2c4b503498759120eb517abad6d51c9c5d6)
+- [readme] update badges [`95c323a`](https://github.com/inspect-js/object-inspect/commit/95c323ad909d6cbabb95dd6015c190ba6db9c1f2)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud` [`cb38f48`](https://github.com/inspect-js/object-inspect/commit/cb38f485de6ec7a95109b5a9bbd0a1deba2f6611)
+
+## [v1.10.2](https://github.com/inspect-js/object-inspect/compare/v1.10.1...v1.10.2) - 2021-04-17
+
+### Commits
+
+- [Fix] use a robust check for a boxed Symbol [`87f12d6`](https://github.com/inspect-js/object-inspect/commit/87f12d6e69ce530be04659c81a4cd502943acac5)
+
+## [v1.10.1](https://github.com/inspect-js/object-inspect/compare/v1.10.0...v1.10.1) - 2021-04-17
+
+### Commits
+
+- [Fix] use a robust check for a boxed bigint [`d5ca829`](https://github.com/inspect-js/object-inspect/commit/d5ca8298b6d2e5c7b9334a5b21b96ed95d225c91)
+
+## [v1.10.0](https://github.com/inspect-js/object-inspect/compare/v1.9.0...v1.10.0) - 2021-04-17
+
+### Commits
+
+- [Tests] increase coverage [`d8abb8a`](https://github.com/inspect-js/object-inspect/commit/d8abb8a62c2f084919df994a433b346e0d87a227)
+- [actions] use `node/install` instead of `node/run`; use `codecov` action [`4bfec2e`](https://github.com/inspect-js/object-inspect/commit/4bfec2e30aaef6ddef6cbb1448306f9f8b9520b7)
+- [New] respect `Symbol.toStringTag` on objects [`799b58f`](https://github.com/inspect-js/object-inspect/commit/799b58f536a45e4484633a8e9daeb0330835f175)
+- [Fix] do not allow Symbol.toStringTag to masquerade as builtins [`d6c5b37`](https://github.com/inspect-js/object-inspect/commit/d6c5b37d7e94427796b82432fb0c8964f033a6ab)
+- [New] add `WeakRef` support [`b6d898e`](https://github.com/inspect-js/object-inspect/commit/b6d898ee21868c780a7ee66b28532b5b34ed7f09)
+- [meta] do not publish github action workflow files [`918cdfc`](https://github.com/inspect-js/object-inspect/commit/918cdfc4b6fe83f559ff6ef04fe66201e3ff5cbd)
+- [meta] create `FUNDING.yml` [`0bb5fc5`](https://github.com/inspect-js/object-inspect/commit/0bb5fc516dbcd2cd728bd89cee0b580acc5ce301)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`22c8dc0`](https://github.com/inspect-js/object-inspect/commit/22c8dc0cac113d70f4781e49a950070923a671be)
+- [meta] use `prepublishOnly` script for npm 7+ [`e52ee09`](https://github.com/inspect-js/object-inspect/commit/e52ee09e8050b8dbac94ef57f786675567728223)
+- [Dev Deps] update `eslint` [`7c4e6fd`](https://github.com/inspect-js/object-inspect/commit/7c4e6fdedcd27cc980e13c9ad834d05a96f3d40c)
+
+## [v1.9.0](https://github.com/inspect-js/object-inspect/compare/v1.8.0...v1.9.0) - 2020-11-30
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`d262251`](https://github.com/inspect-js/object-inspect/commit/d262251e13e16d3490b5473672f6b6d6ff86675d)
+- [New] add enumerable own Symbols to plain object output [`ee60c03`](https://github.com/inspect-js/object-inspect/commit/ee60c033088cff9d33baa71e59a362a541b48284)
+- [Tests] add passing tests [`01ac3e4`](https://github.com/inspect-js/object-inspect/commit/01ac3e4b5a30f97875a63dc9b1416b3bd626afc9)
+- [actions] add "Require Allow Edits" action [`c2d7746`](https://github.com/inspect-js/object-inspect/commit/c2d774680cde4ca4af332d84d4121b26f798ba9e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `core-js` [`70058de`](https://github.com/inspect-js/object-inspect/commit/70058de1579fc54d1d15ed6c2dbe246637ce70ff)
+- [Fix] hex characters in strings should be uppercased, to match node `assert` [`6ab8faa`](https://github.com/inspect-js/object-inspect/commit/6ab8faaa0abc08fe7a8e2afd8b39c6f1f0e00113)
+- [Tests] run `nyc` on all tests [`4c47372`](https://github.com/inspect-js/object-inspect/commit/4c473727879ddc8e28b599202551ddaaf07b6210)
+- [Tests] node 0.8 has an unpredictable property order; fix `groups` test by removing property [`f192069`](https://github.com/inspect-js/object-inspect/commit/f192069a978a3b60e6f0e0d45ac7df260ab9a778)
+- [New] add enumerable properties to Function inspect result, per node’s `assert` [`fd38e1b`](https://github.com/inspect-js/object-inspect/commit/fd38e1bc3e2a1dc82091ce3e021917462eee64fc)
+- [Tests] fix tests for node &lt; 10, due to regex match `groups` [`2ac6462`](https://github.com/inspect-js/object-inspect/commit/2ac6462cc4f72eaa0b63a8cfee9aabe3008b2330)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config` [`44b59e2`](https://github.com/inspect-js/object-inspect/commit/44b59e2676a7f825ef530dfd19dafb599e3b9456)
+- [Robustness] cache `Symbol.prototype.toString` [`f3c2074`](https://github.com/inspect-js/object-inspect/commit/f3c2074d8f32faf8292587c07c9678ea931703dd)
+- [Dev Deps] update `eslint` [`9411294`](https://github.com/inspect-js/object-inspect/commit/94112944b9245e3302e25453277876402d207e7f)
+- [meta] `require-allow-edits` no longer requires an explicit github token [`36c0220`](https://github.com/inspect-js/object-inspect/commit/36c02205de3c2b0e84d53777c5c9fd54a36c48ab)
+- [actions] update rebase checkout action to v2 [`55a39a6`](https://github.com/inspect-js/object-inspect/commit/55a39a64e944f19c6a7d8efddf3df27700f20d14)
+- [actions] switch Automatic Rebase workflow to `pull_request_target` event [`f59fd3c`](https://github.com/inspect-js/object-inspect/commit/f59fd3cf406c3a7c7ece140904a80bbc6bacfcca)
+- [Dev Deps] update `eslint` [`a492bec`](https://github.com/inspect-js/object-inspect/commit/a492becec644b0155c9c4bc1caf6f9fac11fb2c7)
+
+## [v1.8.0](https://github.com/inspect-js/object-inspect/compare/v1.7.0...v1.8.0) - 2020-06-18
+
+### Fixed
+
+- [New] add `indent` option [`#27`](https://github.com/inspect-js/object-inspect/issues/27)
+
+### Commits
+
+- [Tests] add codecov [`4324cbb`](https://github.com/inspect-js/object-inspect/commit/4324cbb1a2bd7710822a4151ff373570db22453e)
+- [New] add `maxStringLength` option [`b3995cb`](https://github.com/inspect-js/object-inspect/commit/b3995cb71e15b5ee127a3094c43994df9d973502)
+- [New] add `customInspect` option, to disable custom inspect methods [`28b9179`](https://github.com/inspect-js/object-inspect/commit/28b9179ee802bb3b90810100c11637db90c2fb6d)
+- [Tests] add Date and RegExp tests [`3b28eca`](https://github.com/inspect-js/object-inspect/commit/3b28eca57b0367aeadffac604ea09e8bdae7d97b)
+- [actions] add automatic rebasing / merge commit blocking [`0d9c6c0`](https://github.com/inspect-js/object-inspect/commit/0d9c6c044e83475ff0bfffb9d35b149834c83a2e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js`, `tape`; add `aud` [`7c204f2`](https://github.com/inspect-js/object-inspect/commit/7c204f22b9e41bc97147f4d32d4cb045b17769a6)
+- [readme] fix repo URLs, remove testling [`34ca9a0`](https://github.com/inspect-js/object-inspect/commit/34ca9a0dabfe75bd311f806a326fadad029909a3)
+- [Fix] when truncating a deep array, note it as `[Array]` instead of just `[Object]` [`f74c82d`](https://github.com/inspect-js/object-inspect/commit/f74c82dd0b35386445510deb250f34c41be3ec0e)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`1a8a5ea`](https://github.com/inspect-js/object-inspect/commit/1a8a5ea069ea2bee89d77caedad83ffa23d35711)
+- [Fix] do not be fooled by a function’s own `toString` method [`7cb5c65`](https://github.com/inspect-js/object-inspect/commit/7cb5c657a976f94715c19c10556a30f15bb7d5d7)
+- [patch] indicate explicitly that anon functions are anonymous, to match node [`81ebdd4`](https://github.com/inspect-js/object-inspect/commit/81ebdd4215005144074bbdff3f6bafa01407910a)
+- [Dev Deps] loosen the `core-js` dep [`e7472e8`](https://github.com/inspect-js/object-inspect/commit/e7472e8e242117670560bd995830c2a4d12080f5)
+- [Dev Deps] update `tape` [`699827e`](https://github.com/inspect-js/object-inspect/commit/699827e6b37258b5203c33c78c009bf4b0e6a66d)
+- [meta] add `safe-publish-latest` [`c5d2868`](https://github.com/inspect-js/object-inspect/commit/c5d2868d6eb33c472f37a20f89ceef2787046088)
+- [Dev Deps] update `@ljharb/eslint-config` [`9199501`](https://github.com/inspect-js/object-inspect/commit/919950195d486114ccebacbdf9d74d7f382693b0)
+
+## [v1.7.0](https://github.com/inspect-js/object-inspect/compare/v1.6.0...v1.7.0) - 2019-11-10
+
+### Commits
+
+- [Tests] use shared travis-ci configs [`19899ed`](https://github.com/inspect-js/object-inspect/commit/19899edbf31f4f8809acf745ce34ad1ce1bfa63b)
+- [Tests] add linting [`a00f057`](https://github.com/inspect-js/object-inspect/commit/a00f057d917f66ea26dd37769c6b810ec4af97e8)
+- [Tests] lint last file [`2698047`](https://github.com/inspect-js/object-inspect/commit/2698047b58af1e2e88061598ef37a75f228dddf6)
+- [Tests] up to `node` `v12.7`, `v11.15`, `v10.16`, `v8.16`, `v6.17` [`589e87a`](https://github.com/inspect-js/object-inspect/commit/589e87a99cadcff4b600e6a303418e9d922836e8)
+- [New] add support for `WeakMap` and `WeakSet` [`3ddb3e4`](https://github.com/inspect-js/object-inspect/commit/3ddb3e4e0c8287130c61a12e0ed9c104b1549306)
+- [meta] clean up license so github can detect it properly [`27527bb`](https://github.com/inspect-js/object-inspect/commit/27527bb801520c9610c68cc3b55d6f20a2bee56d)
+- [Tests] cover `util.inspect.custom` [`36d47b9`](https://github.com/inspect-js/object-inspect/commit/36d47b9c59056a57ef2f1491602c726359561800)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js`, `tape` [`b614eaa`](https://github.com/inspect-js/object-inspect/commit/b614eaac901da0e5c69151f534671f990a94cace)
+- [Tests] fix coverage thresholds [`7b7b176`](https://github.com/inspect-js/object-inspect/commit/7b7b176e15f8bd6e8b2f261ff5a493c2fe78d9c2)
+- [Tests] bigint tests now can run on unflagged node [`063af31`](https://github.com/inspect-js/object-inspect/commit/063af31ce9cd13c202e3b67c07ba06dc9b7c0f81)
+- [Refactor] add early bailout to `isMap` and `isSet` checks [`fc51047`](https://github.com/inspect-js/object-inspect/commit/fc5104714a3671d37e225813db79470d6335683b)
+- [meta] add `funding` field [`7f9953a`](https://github.com/inspect-js/object-inspect/commit/7f9953a113eec7b064a6393cf9f90ba15f1d131b)
+- [Tests] Fix invalid strict-mode syntax with hexadecimal [`a8b5425`](https://github.com/inspect-js/object-inspect/commit/a8b542503b4af1599a275209a1a99f5fdedb1ead)
+- [Dev Deps] update `@ljharb/eslint-config` [`98df157`](https://github.com/inspect-js/object-inspect/commit/98df1577314d9188a3fc3f17fdcf2fba697ae1bd)
+- add copyright to LICENSE [`bb69fd0`](https://github.com/inspect-js/object-inspect/commit/bb69fd017a062d299e44da1f9b2c7dcd67f621e6)
+- [Tests] use `npx aud` in `posttest` [`4838353`](https://github.com/inspect-js/object-inspect/commit/4838353593974cf7f905b9ef04c03c094f0cdbe2)
+- [Tests] move `0.6` to allowed failures, because it won‘t build on travis [`1bff32a`](https://github.com/inspect-js/object-inspect/commit/1bff32aa52e8aea687f0856b28ba754b3e43ebf7)
+
+## [v1.6.0](https://github.com/inspect-js/object-inspect/compare/v1.5.0...v1.6.0) - 2018-05-02
+
+### Commits
+
+- [New] add support for boxed BigInt primitives [`356c66a`](https://github.com/inspect-js/object-inspect/commit/356c66a410e7aece7162c8319880a5ef647beaa9)
+- [Tests] up to `node` `v10.0`, `v9.11`, `v8.11`, `v6.14`, `v4.9` [`c77b65b`](https://github.com/inspect-js/object-inspect/commit/c77b65bba593811b906b9ec57561c5cba92e2db3)
+- [New] Add support for upcoming `BigInt` [`1ac548e`](https://github.com/inspect-js/object-inspect/commit/1ac548e4b27e26466c28c9a5e63e5d4e0591c31f)
+- [Tests] run bigint tests in CI with --harmony-bigint flag [`d31b738`](https://github.com/inspect-js/object-inspect/commit/d31b73831880254b5c6cf5691cda9a149fbc5f04)
+- [Dev Deps] update `core-js`, `tape` [`ff9eff6`](https://github.com/inspect-js/object-inspect/commit/ff9eff67113341ee1aaf80c1c22d683f43bfbccf)
+- [Docs] fix example to use `safer-buffer` [`48cae12`](https://github.com/inspect-js/object-inspect/commit/48cae12a73ec6cacc955175bc56bbe6aee6a211f)
+
+## [v1.5.0](https://github.com/inspect-js/object-inspect/compare/v1.4.1...v1.5.0) - 2017-12-25
+
+### Commits
+
+- [New] add `quoteStyle` option [`f5a72d2`](https://github.com/inspect-js/object-inspect/commit/f5a72d26edb3959b048f74c056ca7100a6b091e4)
+- [Tests] add more test coverage [`30ebe4e`](https://github.com/inspect-js/object-inspect/commit/30ebe4e1fa943b99ecbb85be7614256d536e2759)
+- [Tests] require 0.6 to pass [`99a008c`](https://github.com/inspect-js/object-inspect/commit/99a008ccace189a60fd7da18bf00e32c9572b980)
+
+## [v1.4.1](https://github.com/inspect-js/object-inspect/compare/v1.4.0...v1.4.1) - 2017-12-19
+
+### Commits
+
+- [Tests] up to `node` `v9.3`, `v8.9`, `v6.12` [`6674476`](https://github.com/inspect-js/object-inspect/commit/6674476cc56acaac1bde96c84fed5ef631911906)
+- [Fix] `inspect(Object(-0))` should be “Object(-0)”, not “Object(0)” [`d0a031f`](https://github.com/inspect-js/object-inspect/commit/d0a031f1cbb3024ee9982bfe364dd18a7e4d1bd3)
+
+## [v1.4.0](https://github.com/inspect-js/object-inspect/compare/v1.3.0...v1.4.0) - 2017-10-24
+
+### Commits
+
+- [Tests] add `npm run coverage` [`3b48fb2`](https://github.com/inspect-js/object-inspect/commit/3b48fb25db037235eeb808f0b2830aad7aa36f70)
+- [Tests] remove commented-out osx builds [`71e24db`](https://github.com/inspect-js/object-inspect/commit/71e24db8ad6ee3b9b381c5300b0475f2ba595a73)
+- [New] add support for `util.inspect.custom`, in node only. [`20cca77`](https://github.com/inspect-js/object-inspect/commit/20cca7762d7e17f15b21a90793dff84acce155df)
+- [Tests] up to `node` `v8.6`; use `nvm install-latest-npm` to ensure new npm doesn’t break old node [`252952d`](https://github.com/inspect-js/object-inspect/commit/252952d230d8065851dd3d4d5fe8398aae068529)
+- [Tests] up to `node` `v8.8` [`4aa868d`](https://github.com/inspect-js/object-inspect/commit/4aa868d3a62914091d489dd6ec6eed194ee67cd3)
+- [Dev Deps] update `core-js`, `tape` [`59483d1`](https://github.com/inspect-js/object-inspect/commit/59483d1df418f852f51fa0db7b24aa6b0209a27a)
+
+## [v1.3.0](https://github.com/inspect-js/object-inspect/compare/v1.2.2...v1.3.0) - 2017-07-31
+
+### Fixed
+
+- [Fix] Map/Set: work around core-js bug &lt; v2.5.0 [`#9`](https://github.com/inspect-js/object-inspect/issues/9)
+
+### Commits
+
+- [New] add support for arrays with additional object keys [`0d19937`](https://github.com/inspect-js/object-inspect/commit/0d199374ee37959e51539616666f420ccb29acb9)
+- [Tests] up to `node` `v8.2`, `v7.10`, `v6.11`; fix new npm breaking on older nodes [`e24784a`](https://github.com/inspect-js/object-inspect/commit/e24784a90c49117787157a12a63897c49cf89bbb)
+- Only apps should have lockfiles [`c6faebc`](https://github.com/inspect-js/object-inspect/commit/c6faebcb2ee486a889a4a1c4d78c0776c7576185)
+- [Dev Deps] update `tape` [`7345a0a`](https://github.com/inspect-js/object-inspect/commit/7345a0aeba7e91b888a079c10004d17696a7f586)
+
+## [v1.2.2](https://github.com/inspect-js/object-inspect/compare/v1.2.1...v1.2.2) - 2017-03-24
+
+### Commits
+
+- [Tests] up to `node` `v7.7`, `v6.10`, `v4.8`; improve test matrix [`a2ddc15`](https://github.com/inspect-js/object-inspect/commit/a2ddc15a1f2c65af18076eea1c0eb9cbceb478a0)
+- [Tests] up to `node` `v7.0`, `v6.9`, `v5.12`, `v4.6`, `io.js` `v3.3`; improve test matrix [`a48949f`](https://github.com/inspect-js/object-inspect/commit/a48949f6b574b2d4d2298109d8e8d0eb3e7a83e7)
+- [Performance] check for primitive types as early as possible. [`3b8092a`](https://github.com/inspect-js/object-inspect/commit/3b8092a2a4deffd0575f94334f00194e2d48dad3)
+- [Refactor] remove unneeded `else`s. [`7255034`](https://github.com/inspect-js/object-inspect/commit/725503402e08de4f96f6bf2d8edef44ac36f26b6)
+- [Refactor] avoid recreating `lowbyte` function every time. [`81edd34`](https://github.com/inspect-js/object-inspect/commit/81edd3475bd15bdd18e84de7472033dcf5004aaa)
+- [Fix] differentiate -0 from 0 [`521d345`](https://github.com/inspect-js/object-inspect/commit/521d3456b009da7bf1c5785c8a9df5a9f8718264)
+- [Refactor] move object key gathering into separate function [`aca6265`](https://github.com/inspect-js/object-inspect/commit/aca626536eaeef697196c6e9db3e90e7e0355b6a)
+- [Refactor] consolidate wrapping logic for boxed primitives into a function. [`4e440cd`](https://github.com/inspect-js/object-inspect/commit/4e440cd9065df04802a2a1dead03f48c353ca301)
+- [Robustness] use `typeof` instead of comparing to literal `undefined` [`5ca6f60`](https://github.com/inspect-js/object-inspect/commit/5ca6f601937506daff8ed2fcf686363b55807b69)
+- [Refactor] consolidate Map/Set notations. [`4e576e5`](https://github.com/inspect-js/object-inspect/commit/4e576e5d7ed2f9ec3fb7f37a0d16732eb10758a9)
+- [Tests] ensure that this function remains anonymous, despite ES6 name inference. [`7540ae5`](https://github.com/inspect-js/object-inspect/commit/7540ae591278756db614fa4def55ca413150e1a3)
+- [Refactor] explicitly coerce Error objects to strings. [`7f4ca84`](https://github.com/inspect-js/object-inspect/commit/7f4ca8424ee8dc2c0ca5a422d94f7fac40327261)
+- [Refactor] split up `var` declarations for debuggability [`6f2c11e`](https://github.com/inspect-js/object-inspect/commit/6f2c11e6a85418586a00292dcec5e97683f89bc3)
+- [Robustness] cache `Object.prototype.toString` [`df44a20`](https://github.com/inspect-js/object-inspect/commit/df44a20adfccf31529d60d1df2079bfc3c836e27)
+- [Dev Deps] update `tape` [`3ec714e`](https://github.com/inspect-js/object-inspect/commit/3ec714eba57bc3f58a6eb4fca1376f49e70d300a)
+- [Dev Deps] update `tape` [`beb72d9`](https://github.com/inspect-js/object-inspect/commit/beb72d969653747d7cde300393c28755375329b0)
+
+## [v1.2.1](https://github.com/inspect-js/object-inspect/compare/v1.2.0...v1.2.1) - 2016-04-09
+
+### Fixed
+
+- [Fix] fix Boolean `false` object inspection. [`#7`](https://github.com/substack/object-inspect/pull/7)
+
+## [v1.2.0](https://github.com/inspect-js/object-inspect/compare/v1.1.0...v1.2.0) - 2016-04-09
+
+### Fixed
+
+- [New] add support for inspecting String/Number/Boolean objects. [`#6`](https://github.com/inspect-js/object-inspect/issues/6)
+
+### Commits
+
+- [Dev Deps] update `tape` [`742caa2`](https://github.com/inspect-js/object-inspect/commit/742caa262cf7af4c815d4821c8bd0129c1446432)
+
+## [v1.1.0](https://github.com/inspect-js/object-inspect/compare/1.0.2...v1.1.0) - 2015-12-14
+
+### Merged
+
+- [New] add ES6 Map/Set support. [`#4`](https://github.com/inspect-js/object-inspect/pull/4)
+
+### Fixed
+
+- [New] add ES6 Map/Set support. [`#3`](https://github.com/inspect-js/object-inspect/issues/3)
+
+### Commits
+
+- Update `travis.yml` to test on bunches of `iojs` and `node` versions. [`4c1fd65`](https://github.com/inspect-js/object-inspect/commit/4c1fd65cc3bd95307e854d114b90478324287fd2)
+- [Dev Deps] update `tape` [`88a907e`](https://github.com/inspect-js/object-inspect/commit/88a907e33afbe408e4b5d6e4e42a33143f88848c)
+
+## [1.0.2](https://github.com/inspect-js/object-inspect/compare/1.0.1...1.0.2) - 2015-08-07
+
+### Commits
+
+- [Fix] Cache `Object.prototype.hasOwnProperty` in case it's deleted later. [`1d0075d`](https://github.com/inspect-js/object-inspect/commit/1d0075d3091dc82246feeb1f9871cb2b8ed227b3)
+- [Dev Deps] Update `tape` [`ca8d5d7`](https://github.com/inspect-js/object-inspect/commit/ca8d5d75635ddbf76f944e628267581e04958457)
+- gitignore node_modules since this is a reusable modules. [`ed41407`](https://github.com/inspect-js/object-inspect/commit/ed41407811743ca530cdeb28f982beb96026af82)
+
+## [1.0.1](https://github.com/inspect-js/object-inspect/compare/1.0.0...1.0.1) - 2015-07-19
+
+### Commits
+
+- Make `inspect` work with symbol primitives and objects, including in node 0.11 and 0.12. [`ddf1b94`](https://github.com/inspect-js/object-inspect/commit/ddf1b94475ab951f1e3bccdc0a48e9073cfbfef4)
+- bump tape [`103d674`](https://github.com/inspect-js/object-inspect/commit/103d67496b504bdcfdd765d303a773f87ec106e2)
+- use newer travis config [`d497276`](https://github.com/inspect-js/object-inspect/commit/d497276c1da14234bb5098a59cf20de75fbc316a)
+
+## [1.0.0](https://github.com/inspect-js/object-inspect/compare/0.4.0...1.0.0) - 2014-08-05
+
+### Commits
+
+- error inspect works properly [`260a22d`](https://github.com/inspect-js/object-inspect/commit/260a22d134d3a8a482c67d52091c6040c34f4299)
+- seen coverage [`57269e8`](https://github.com/inspect-js/object-inspect/commit/57269e8baa992a7439047f47325111fdcbcb8417)
+- htmlelement instance coverage [`397ffe1`](https://github.com/inspect-js/object-inspect/commit/397ffe10a1980350868043ef9de65686d438979f)
+- more element coverage [`6905cc2`](https://github.com/inspect-js/object-inspect/commit/6905cc2f7df35600177e613b0642b4df5efd3eca)
+- failing test for type errors [`385b615`](https://github.com/inspect-js/object-inspect/commit/385b6152e49b51b68449a662f410b084ed7c601a)
+- fn name coverage [`edc906d`](https://github.com/inspect-js/object-inspect/commit/edc906d40fca6b9194d304062c037ee8e398c4c2)
+- server-side element test [`362d1d3`](https://github.com/inspect-js/object-inspect/commit/362d1d3e86f187651c29feeb8478110afada385b)
+- custom inspect fn [`e89b0f6`](https://github.com/inspect-js/object-inspect/commit/e89b0f6fe6d5e03681282af83732a509160435a6)
+- fixed browser test [`b530882`](https://github.com/inspect-js/object-inspect/commit/b5308824a1c8471c5617e394766a03a6977102a9)
+- depth test, matches node [`1cfd9e0`](https://github.com/inspect-js/object-inspect/commit/1cfd9e0285a4ae1dff44101ad482915d9bf47e48)
+- exercise hasOwnProperty path [`8d753fb`](https://github.com/inspect-js/object-inspect/commit/8d753fb362a534fa1106e4d80f2ee9bea06a66d9)
+- more cases covered for errors [`c5c46a5`](https://github.com/inspect-js/object-inspect/commit/c5c46a569ec4606583497e8550f0d8c7ad39a4a4)
+- \W obj key test case [`b0eceee`](https://github.com/inspect-js/object-inspect/commit/b0eceeea6e0eb94d686c1046e99b9e25e5005f75)
+- coverage for explicit depth param [`e12b91c`](https://github.com/inspect-js/object-inspect/commit/e12b91cd59683362f3a0e80f46481a0211e26c15)
+
+## [0.4.0](https://github.com/inspect-js/object-inspect/compare/0.3.1...0.4.0) - 2014-03-21
+
+### Commits
+
+- passing lowbyte interpolation test [`b847511`](https://github.com/inspect-js/object-inspect/commit/b8475114f5def7e7961c5353d48d3d8d9a520985)
+- lowbyte test [`4a2b0e1`](https://github.com/inspect-js/object-inspect/commit/4a2b0e142667fc933f195472759385ac08f3946c)
+
+## [0.3.1](https://github.com/inspect-js/object-inspect/compare/0.3.0...0.3.1) - 2014-03-04
+
+### Commits
+
+- sort keys [`a07b19c`](https://github.com/inspect-js/object-inspect/commit/a07b19cc3b1521a82d4fafb6368b7a9775428a05)
+
+## [0.3.0](https://github.com/inspect-js/object-inspect/compare/0.2.0...0.3.0) - 2014-03-04
+
+### Commits
+
+- [] and {} instead of [ ] and { } [`654c44b`](https://github.com/inspect-js/object-inspect/commit/654c44b2865811f3519e57bb8526e0821caf5c6b)
+
+## [0.2.0](https://github.com/inspect-js/object-inspect/compare/0.1.3...0.2.0) - 2014-03-04
+
+### Commits
+
+- failing holes test [`99cdfad`](https://github.com/inspect-js/object-inspect/commit/99cdfad03c6474740275a75636fe6ca86c77737a)
+- regex already work [`e324033`](https://github.com/inspect-js/object-inspect/commit/e324033267025995ec97d32ed0a65737c99477a6)
+- failing undef/null test [`1f88a00`](https://github.com/inspect-js/object-inspect/commit/1f88a00265d3209719dda8117b7e6360b4c20943)
+- holes in the all example [`7d345f3`](https://github.com/inspect-js/object-inspect/commit/7d345f3676dcbe980cff89a4f6c243269ebbb709)
+- check for .inspect(), fixes Buffer use-case [`c3f7546`](https://github.com/inspect-js/object-inspect/commit/c3f75466dbca125347d49847c05262c292f12b79)
+- fixes for holes [`ce25f73`](https://github.com/inspect-js/object-inspect/commit/ce25f736683de4b92ff27dc5471218415e2d78d8)
+- weird null behavior [`405c1ea`](https://github.com/inspect-js/object-inspect/commit/405c1ea72cd5a8cf3b498c3eaa903d01b9fbcab5)
+- tape is actually a devDependency, upgrade [`703b0ce`](https://github.com/inspect-js/object-inspect/commit/703b0ce6c5817b4245a082564bccd877e0bb6990)
+- put date in the example [`a342219`](https://github.com/inspect-js/object-inspect/commit/a3422190eeaa013215f46df2d0d37b48595ac058)
+- passing the null test [`4ab737e`](https://github.com/inspect-js/object-inspect/commit/4ab737ebf862a75d247ebe51e79307a34d6380d4)
+
+## [0.1.3](https://github.com/inspect-js/object-inspect/compare/0.1.1...0.1.3) - 2013-07-26
+
+### Commits
+
+- special isElement() check [`882768a`](https://github.com/inspect-js/object-inspect/commit/882768a54035d30747be9de1baf14e5aa0daa128)
+- oh right old IEs don't have indexOf either [`36d1275`](https://github.com/inspect-js/object-inspect/commit/36d12756c38b08a74370b0bb696c809e529913a5)
+
+## [0.1.1](https://github.com/inspect-js/object-inspect/compare/0.1.0...0.1.1) - 2013-07-26
+
+### Commits
+
+- tests! [`4422fd9`](https://github.com/inspect-js/object-inspect/commit/4422fd95532c2745aa6c4f786f35f1090be29998)
+- fix for ie&lt;9, doesn't have hasOwnProperty [`6b7d611`](https://github.com/inspect-js/object-inspect/commit/6b7d61183050f6da801ea04473211da226482613)
+- fix for all IEs: no f.name [`4e0c2f6`](https://github.com/inspect-js/object-inspect/commit/4e0c2f6dfd01c306d067d7163319acc97c94ee50)
+- badges [`5ed0d88`](https://github.com/inspect-js/object-inspect/commit/5ed0d88e4e407f9cb327fa4a146c17921f9680f3)
+
+## [0.1.0](https://github.com/inspect-js/object-inspect/compare/0.0.0...0.1.0) - 2013-07-26
+
+### Commits
+
+- [Function] for functions [`ad5c485`](https://github.com/inspect-js/object-inspect/commit/ad5c485098fc83352cb540a60b2548ca56820e0b)
+
+## 0.0.0 - 2013-07-26
+
+### Commits
+
+- working browser example [`34be6b6`](https://github.com/inspect-js/object-inspect/commit/34be6b6548f9ce92bdc3c27572857ba0c4a1218d)
+- package.json etc [`cad51f2`](https://github.com/inspect-js/object-inspect/commit/cad51f23fc6bcf1a456ed6abe16088256c2f632f)
+- docs complete [`b80cce2`](https://github.com/inspect-js/object-inspect/commit/b80cce2490c4e7183a9ee11ea89071f0abec4446)
+- circular example [`4b4a7b9`](https://github.com/inspect-js/object-inspect/commit/4b4a7b92209e4e6b4630976cb6bcd17d14165a59)
+- string rep [`7afb479`](https://github.com/inspect-js/object-inspect/commit/7afb479baa798d27f09e0a178b72ea327f60f5c8)
diff --git a/node_modules/object-inspect/LICENSE b/node_modules/object-inspect/LICENSE
new file mode 100644
index 000000000..ca64cc1e6
--- /dev/null
+++ b/node_modules/object-inspect/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013 James Halliday
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/object-inspect/example/all.js b/node_modules/object-inspect/example/all.js
new file mode 100644
index 000000000..2f3355c50
--- /dev/null
+++ b/node_modules/object-inspect/example/all.js
@@ -0,0 +1,23 @@
+'use strict';
+
+var inspect = require('../');
+var Buffer = require('safer-buffer').Buffer;
+
+var holes = ['a', 'b'];
+holes[4] = 'e';
+holes[6] = 'g';
+
+var obj = {
+    a: 1,
+    b: [3, 4, undefined, null],
+    c: undefined,
+    d: null,
+    e: {
+        regex: /^x/i,
+        buf: Buffer.from('abc'),
+        holes: holes
+    },
+    now: new Date()
+};
+obj.self = obj;
+console.log(inspect(obj));
diff --git a/node_modules/object-inspect/example/circular.js b/node_modules/object-inspect/example/circular.js
new file mode 100644
index 000000000..487a7c169
--- /dev/null
+++ b/node_modules/object-inspect/example/circular.js
@@ -0,0 +1,6 @@
+'use strict';
+
+var inspect = require('../');
+var obj = { a: 1, b: [3, 4] };
+obj.c = obj;
+console.log(inspect(obj));
diff --git a/node_modules/object-inspect/example/fn.js b/node_modules/object-inspect/example/fn.js
new file mode 100644
index 000000000..9b5db8de0
--- /dev/null
+++ b/node_modules/object-inspect/example/fn.js
@@ -0,0 +1,5 @@
+'use strict';
+
+var inspect = require('../');
+var obj = [1, 2, function f(n) { return n + 5; }, 4];
+console.log(inspect(obj));
diff --git a/node_modules/object-inspect/example/inspect.js b/node_modules/object-inspect/example/inspect.js
new file mode 100644
index 000000000..e2df7c9f4
--- /dev/null
+++ b/node_modules/object-inspect/example/inspect.js
@@ -0,0 +1,10 @@
+'use strict';
+
+/* eslint-env browser */
+var inspect = require('../');
+
+var d = document.createElement('div');
+d.setAttribute('id', 'beep');
+d.innerHTML = '<b>wooo</b><i>iiiii</i>';
+
+console.log(inspect([d, { a: 3, b: 4, c: [5, 6, [7, [8, [9]]]] }]));
diff --git a/node_modules/object-inspect/index.js b/node_modules/object-inspect/index.js
new file mode 100644
index 000000000..7ab98a688
--- /dev/null
+++ b/node_modules/object-inspect/index.js
@@ -0,0 +1,512 @@
+var hasMap = typeof Map === 'function' && Map.prototype;
+var mapSizeDescriptor = Object.getOwnPropertyDescriptor && hasMap ? Object.getOwnPropertyDescriptor(Map.prototype, 'size') : null;
+var mapSize = hasMap && mapSizeDescriptor && typeof mapSizeDescriptor.get === 'function' ? mapSizeDescriptor.get : null;
+var mapForEach = hasMap && Map.prototype.forEach;
+var hasSet = typeof Set === 'function' && Set.prototype;
+var setSizeDescriptor = Object.getOwnPropertyDescriptor && hasSet ? Object.getOwnPropertyDescriptor(Set.prototype, 'size') : null;
+var setSize = hasSet && setSizeDescriptor && typeof setSizeDescriptor.get === 'function' ? setSizeDescriptor.get : null;
+var setForEach = hasSet && Set.prototype.forEach;
+var hasWeakMap = typeof WeakMap === 'function' && WeakMap.prototype;
+var weakMapHas = hasWeakMap ? WeakMap.prototype.has : null;
+var hasWeakSet = typeof WeakSet === 'function' && WeakSet.prototype;
+var weakSetHas = hasWeakSet ? WeakSet.prototype.has : null;
+var hasWeakRef = typeof WeakRef === 'function' && WeakRef.prototype;
+var weakRefDeref = hasWeakRef ? WeakRef.prototype.deref : null;
+var booleanValueOf = Boolean.prototype.valueOf;
+var objectToString = Object.prototype.toString;
+var functionToString = Function.prototype.toString;
+var $match = String.prototype.match;
+var $slice = String.prototype.slice;
+var $replace = String.prototype.replace;
+var $toUpperCase = String.prototype.toUpperCase;
+var $toLowerCase = String.prototype.toLowerCase;
+var $test = RegExp.prototype.test;
+var $concat = Array.prototype.concat;
+var $join = Array.prototype.join;
+var $arrSlice = Array.prototype.slice;
+var $floor = Math.floor;
+var bigIntValueOf = typeof BigInt === 'function' ? BigInt.prototype.valueOf : null;
+var gOPS = Object.getOwnPropertySymbols;
+var symToString = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol' ? Symbol.prototype.toString : null;
+var hasShammedSymbols = typeof Symbol === 'function' && typeof Symbol.iterator === 'object';
+// ie, `has-tostringtag/shams
+var toStringTag = typeof Symbol === 'function' && Symbol.toStringTag && (typeof Symbol.toStringTag === hasShammedSymbols ? 'object' : 'symbol')
+    ? Symbol.toStringTag
+    : null;
+var isEnumerable = Object.prototype.propertyIsEnumerable;
+
+var gPO = (typeof Reflect === 'function' ? Reflect.getPrototypeOf : Object.getPrototypeOf) || (
+    [].__proto__ === Array.prototype // eslint-disable-line no-proto
+        ? function (O) {
+            return O.__proto__; // eslint-disable-line no-proto
+        }
+        : null
+);
+
+function addNumericSeparator(num, str) {
+    if (
+        num === Infinity
+        || num === -Infinity
+        || num !== num
+        || (num && num > -1000 && num < 1000)
+        || $test.call(/e/, str)
+    ) {
+        return str;
+    }
+    var sepRegex = /[0-9](?=(?:[0-9]{3})+(?![0-9]))/g;
+    if (typeof num === 'number') {
+        var int = num < 0 ? -$floor(-num) : $floor(num); // trunc(num)
+        if (int !== num) {
+            var intStr = String(int);
+            var dec = $slice.call(str, intStr.length + 1);
+            return $replace.call(intStr, sepRegex, '$&_') + '.' + $replace.call($replace.call(dec, /([0-9]{3})/g, '$&_'), /_$/, '');
+        }
+    }
+    return $replace.call(str, sepRegex, '$&_');
+}
+
+var utilInspect = require('./util.inspect');
+var inspectCustom = utilInspect.custom;
+var inspectSymbol = isSymbol(inspectCustom) ? inspectCustom : null;
+
+module.exports = function inspect_(obj, options, depth, seen) {
+    var opts = options || {};
+
+    if (has(opts, 'quoteStyle') && (opts.quoteStyle !== 'single' && opts.quoteStyle !== 'double')) {
+        throw new TypeError('option "quoteStyle" must be "single" or "double"');
+    }
+    if (
+        has(opts, 'maxStringLength') && (typeof opts.maxStringLength === 'number'
+            ? opts.maxStringLength < 0 && opts.maxStringLength !== Infinity
+            : opts.maxStringLength !== null
+        )
+    ) {
+        throw new TypeError('option "maxStringLength", if provided, must be a positive integer, Infinity, or `null`');
+    }
+    var customInspect = has(opts, 'customInspect') ? opts.customInspect : true;
+    if (typeof customInspect !== 'boolean' && customInspect !== 'symbol') {
+        throw new TypeError('option "customInspect", if provided, must be `true`, `false`, or `\'symbol\'`');
+    }
+
+    if (
+        has(opts, 'indent')
+        && opts.indent !== null
+        && opts.indent !== '\t'
+        && !(parseInt(opts.indent, 10) === opts.indent && opts.indent > 0)
+    ) {
+        throw new TypeError('option "indent" must be "\\t", an integer > 0, or `null`');
+    }
+    if (has(opts, 'numericSeparator') && typeof opts.numericSeparator !== 'boolean') {
+        throw new TypeError('option "numericSeparator", if provided, must be `true` or `false`');
+    }
+    var numericSeparator = opts.numericSeparator;
+
+    if (typeof obj === 'undefined') {
+        return 'undefined';
+    }
+    if (obj === null) {
+        return 'null';
+    }
+    if (typeof obj === 'boolean') {
+        return obj ? 'true' : 'false';
+    }
+
+    if (typeof obj === 'string') {
+        return inspectString(obj, opts);
+    }
+    if (typeof obj === 'number') {
+        if (obj === 0) {
+            return Infinity / obj > 0 ? '0' : '-0';
+        }
+        var str = String(obj);
+        return numericSeparator ? addNumericSeparator(obj, str) : str;
+    }
+    if (typeof obj === 'bigint') {
+        var bigIntStr = String(obj) + 'n';
+        return numericSeparator ? addNumericSeparator(obj, bigIntStr) : bigIntStr;
+    }
+
+    var maxDepth = typeof opts.depth === 'undefined' ? 5 : opts.depth;
+    if (typeof depth === 'undefined') { depth = 0; }
+    if (depth >= maxDepth && maxDepth > 0 && typeof obj === 'object') {
+        return isArray(obj) ? '[Array]' : '[Object]';
+    }
+
+    var indent = getIndent(opts, depth);
+
+    if (typeof seen === 'undefined') {
+        seen = [];
+    } else if (indexOf(seen, obj) >= 0) {
+        return '[Circular]';
+    }
+
+    function inspect(value, from, noIndent) {
+        if (from) {
+            seen = $arrSlice.call(seen);
+            seen.push(from);
+        }
+        if (noIndent) {
+            var newOpts = {
+                depth: opts.depth
+            };
+            if (has(opts, 'quoteStyle')) {
+                newOpts.quoteStyle = opts.quoteStyle;
+            }
+            return inspect_(value, newOpts, depth + 1, seen);
+        }
+        return inspect_(value, opts, depth + 1, seen);
+    }
+
+    if (typeof obj === 'function' && !isRegExp(obj)) { // in older engines, regexes are callable
+        var name = nameOf(obj);
+        var keys = arrObjKeys(obj, inspect);
+        return '[Function' + (name ? ': ' + name : ' (anonymous)') + ']' + (keys.length > 0 ? ' { ' + $join.call(keys, ', ') + ' }' : '');
+    }
+    if (isSymbol(obj)) {
+        var symString = hasShammedSymbols ? $replace.call(String(obj), /^(Symbol\(.*\))_[^)]*$/, '$1') : symToString.call(obj);
+        return typeof obj === 'object' && !hasShammedSymbols ? markBoxed(symString) : symString;
+    }
+    if (isElement(obj)) {
+        var s = '<' + $toLowerCase.call(String(obj.nodeName));
+        var attrs = obj.attributes || [];
+        for (var i = 0; i < attrs.length; i++) {
+            s += ' ' + attrs[i].name + '=' + wrapQuotes(quote(attrs[i].value), 'double', opts);
+        }
+        s += '>';
+        if (obj.childNodes && obj.childNodes.length) { s += '...'; }
+        s += '</' + $toLowerCase.call(String(obj.nodeName)) + '>';
+        return s;
+    }
+    if (isArray(obj)) {
+        if (obj.length === 0) { return '[]'; }
+        var xs = arrObjKeys(obj, inspect);
+        if (indent && !singleLineValues(xs)) {
+            return '[' + indentedJoin(xs, indent) + ']';
+        }
+        return '[ ' + $join.call(xs, ', ') + ' ]';
+    }
+    if (isError(obj)) {
+        var parts = arrObjKeys(obj, inspect);
+        if (!('cause' in Error.prototype) && 'cause' in obj && !isEnumerable.call(obj, 'cause')) {
+            return '{ [' + String(obj) + '] ' + $join.call($concat.call('[cause]: ' + inspect(obj.cause), parts), ', ') + ' }';
+        }
+        if (parts.length === 0) { return '[' + String(obj) + ']'; }
+        return '{ [' + String(obj) + '] ' + $join.call(parts, ', ') + ' }';
+    }
+    if (typeof obj === 'object' && customInspect) {
+        if (inspectSymbol && typeof obj[inspectSymbol] === 'function' && utilInspect) {
+            return utilInspect(obj, { depth: maxDepth - depth });
+        } else if (customInspect !== 'symbol' && typeof obj.inspect === 'function') {
+            return obj.inspect();
+        }
+    }
+    if (isMap(obj)) {
+        var mapParts = [];
+        mapForEach.call(obj, function (value, key) {
+            mapParts.push(inspect(key, obj, true) + ' => ' + inspect(value, obj));
+        });
+        return collectionOf('Map', mapSize.call(obj), mapParts, indent);
+    }
+    if (isSet(obj)) {
+        var setParts = [];
+        setForEach.call(obj, function (value) {
+            setParts.push(inspect(value, obj));
+        });
+        return collectionOf('Set', setSize.call(obj), setParts, indent);
+    }
+    if (isWeakMap(obj)) {
+        return weakCollectionOf('WeakMap');
+    }
+    if (isWeakSet(obj)) {
+        return weakCollectionOf('WeakSet');
+    }
+    if (isWeakRef(obj)) {
+        return weakCollectionOf('WeakRef');
+    }
+    if (isNumber(obj)) {
+        return markBoxed(inspect(Number(obj)));
+    }
+    if (isBigInt(obj)) {
+        return markBoxed(inspect(bigIntValueOf.call(obj)));
+    }
+    if (isBoolean(obj)) {
+        return markBoxed(booleanValueOf.call(obj));
+    }
+    if (isString(obj)) {
+        return markBoxed(inspect(String(obj)));
+    }
+    if (!isDate(obj) && !isRegExp(obj)) {
+        var ys = arrObjKeys(obj, inspect);
+        var isPlainObject = gPO ? gPO(obj) === Object.prototype : obj instanceof Object || obj.constructor === Object;
+        var protoTag = obj instanceof Object ? '' : 'null prototype';
+        var stringTag = !isPlainObject && toStringTag && Object(obj) === obj && toStringTag in obj ? $slice.call(toStr(obj), 8, -1) : protoTag ? 'Object' : '';
+        var constructorTag = isPlainObject || typeof obj.constructor !== 'function' ? '' : obj.constructor.name ? obj.constructor.name + ' ' : '';
+        var tag = constructorTag + (stringTag || protoTag ? '[' + $join.call($concat.call([], stringTag || [], protoTag || []), ': ') + '] ' : '');
+        if (ys.length === 0) { return tag + '{}'; }
+        if (indent) {
+            return tag + '{' + indentedJoin(ys, indent) + '}';
+        }
+        return tag + '{ ' + $join.call(ys, ', ') + ' }';
+    }
+    return String(obj);
+};
+
+function wrapQuotes(s, defaultStyle, opts) {
+    var quoteChar = (opts.quoteStyle || defaultStyle) === 'double' ? '"' : "'";
+    return quoteChar + s + quoteChar;
+}
+
+function quote(s) {
+    return $replace.call(String(s), /"/g, '&quot;');
+}
+
+function isArray(obj) { return toStr(obj) === '[object Array]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isDate(obj) { return toStr(obj) === '[object Date]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isRegExp(obj) { return toStr(obj) === '[object RegExp]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isError(obj) { return toStr(obj) === '[object Error]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isString(obj) { return toStr(obj) === '[object String]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isNumber(obj) { return toStr(obj) === '[object Number]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isBoolean(obj) { return toStr(obj) === '[object Boolean]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+
+// Symbol and BigInt do have Symbol.toStringTag by spec, so that can't be used to eliminate false positives
+function isSymbol(obj) {
+    if (hasShammedSymbols) {
+        return obj && typeof obj === 'object' && obj instanceof Symbol;
+    }
+    if (typeof obj === 'symbol') {
+        return true;
+    }
+    if (!obj || typeof obj !== 'object' || !symToString) {
+        return false;
+    }
+    try {
+        symToString.call(obj);
+        return true;
+    } catch (e) {}
+    return false;
+}
+
+function isBigInt(obj) {
+    if (!obj || typeof obj !== 'object' || !bigIntValueOf) {
+        return false;
+    }
+    try {
+        bigIntValueOf.call(obj);
+        return true;
+    } catch (e) {}
+    return false;
+}
+
+var hasOwn = Object.prototype.hasOwnProperty || function (key) { return key in this; };
+function has(obj, key) {
+    return hasOwn.call(obj, key);
+}
+
+function toStr(obj) {
+    return objectToString.call(obj);
+}
+
+function nameOf(f) {
+    if (f.name) { return f.name; }
+    var m = $match.call(functionToString.call(f), /^function\s*([\w$]+)/);
+    if (m) { return m[1]; }
+    return null;
+}
+
+function indexOf(xs, x) {
+    if (xs.indexOf) { return xs.indexOf(x); }
+    for (var i = 0, l = xs.length; i < l; i++) {
+        if (xs[i] === x) { return i; }
+    }
+    return -1;
+}
+
+function isMap(x) {
+    if (!mapSize || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        mapSize.call(x);
+        try {
+            setSize.call(x);
+        } catch (s) {
+            return true;
+        }
+        return x instanceof Map; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isWeakMap(x) {
+    if (!weakMapHas || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        weakMapHas.call(x, weakMapHas);
+        try {
+            weakSetHas.call(x, weakSetHas);
+        } catch (s) {
+            return true;
+        }
+        return x instanceof WeakMap; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isWeakRef(x) {
+    if (!weakRefDeref || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        weakRefDeref.call(x);
+        return true;
+    } catch (e) {}
+    return false;
+}
+
+function isSet(x) {
+    if (!setSize || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        setSize.call(x);
+        try {
+            mapSize.call(x);
+        } catch (m) {
+            return true;
+        }
+        return x instanceof Set; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isWeakSet(x) {
+    if (!weakSetHas || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        weakSetHas.call(x, weakSetHas);
+        try {
+            weakMapHas.call(x, weakMapHas);
+        } catch (s) {
+            return true;
+        }
+        return x instanceof WeakSet; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isElement(x) {
+    if (!x || typeof x !== 'object') { return false; }
+    if (typeof HTMLElement !== 'undefined' && x instanceof HTMLElement) {
+        return true;
+    }
+    return typeof x.nodeName === 'string' && typeof x.getAttribute === 'function';
+}
+
+function inspectString(str, opts) {
+    if (str.length > opts.maxStringLength) {
+        var remaining = str.length - opts.maxStringLength;
+        var trailer = '... ' + remaining + ' more character' + (remaining > 1 ? 's' : '');
+        return inspectString($slice.call(str, 0, opts.maxStringLength), opts) + trailer;
+    }
+    // eslint-disable-next-line no-control-regex
+    var s = $replace.call($replace.call(str, /(['\\])/g, '\\$1'), /[\x00-\x1f]/g, lowbyte);
+    return wrapQuotes(s, 'single', opts);
+}
+
+function lowbyte(c) {
+    var n = c.charCodeAt(0);
+    var x = {
+        8: 'b',
+        9: 't',
+        10: 'n',
+        12: 'f',
+        13: 'r'
+    }[n];
+    if (x) { return '\\' + x; }
+    return '\\x' + (n < 0x10 ? '0' : '') + $toUpperCase.call(n.toString(16));
+}
+
+function markBoxed(str) {
+    return 'Object(' + str + ')';
+}
+
+function weakCollectionOf(type) {
+    return type + ' { ? }';
+}
+
+function collectionOf(type, size, entries, indent) {
+    var joinedEntries = indent ? indentedJoin(entries, indent) : $join.call(entries, ', ');
+    return type + ' (' + size + ') {' + joinedEntries + '}';
+}
+
+function singleLineValues(xs) {
+    for (var i = 0; i < xs.length; i++) {
+        if (indexOf(xs[i], '\n') >= 0) {
+            return false;
+        }
+    }
+    return true;
+}
+
+function getIndent(opts, depth) {
+    var baseIndent;
+    if (opts.indent === '\t') {
+        baseIndent = '\t';
+    } else if (typeof opts.indent === 'number' && opts.indent > 0) {
+        baseIndent = $join.call(Array(opts.indent + 1), ' ');
+    } else {
+        return null;
+    }
+    return {
+        base: baseIndent,
+        prev: $join.call(Array(depth + 1), baseIndent)
+    };
+}
+
+function indentedJoin(xs, indent) {
+    if (xs.length === 0) { return ''; }
+    var lineJoiner = '\n' + indent.prev + indent.base;
+    return lineJoiner + $join.call(xs, ',' + lineJoiner) + '\n' + indent.prev;
+}
+
+function arrObjKeys(obj, inspect) {
+    var isArr = isArray(obj);
+    var xs = [];
+    if (isArr) {
+        xs.length = obj.length;
+        for (var i = 0; i < obj.length; i++) {
+            xs[i] = has(obj, i) ? inspect(obj[i], obj) : '';
+        }
+    }
+    var syms = typeof gOPS === 'function' ? gOPS(obj) : [];
+    var symMap;
+    if (hasShammedSymbols) {
+        symMap = {};
+        for (var k = 0; k < syms.length; k++) {
+            symMap['$' + syms[k]] = syms[k];
+        }
+    }
+
+    for (var key in obj) { // eslint-disable-line no-restricted-syntax
+        if (!has(obj, key)) { continue; } // eslint-disable-line no-restricted-syntax, no-continue
+        if (isArr && String(Number(key)) === key && key < obj.length) { continue; } // eslint-disable-line no-restricted-syntax, no-continue
+        if (hasShammedSymbols && symMap['$' + key] instanceof Symbol) {
+            // this is to prevent shammed Symbols, which are stored as strings, from being included in the string key section
+            continue; // eslint-disable-line no-restricted-syntax, no-continue
+        } else if ($test.call(/[^\w$]/, key)) {
+            xs.push(inspect(key, obj) + ': ' + inspect(obj[key], obj));
+        } else {
+            xs.push(key + ': ' + inspect(obj[key], obj));
+        }
+    }
+    if (typeof gOPS === 'function') {
+        for (var j = 0; j < syms.length; j++) {
+            if (isEnumerable.call(obj, syms[j])) {
+                xs.push('[' + inspect(syms[j]) + ']: ' + inspect(obj[syms[j]], obj));
+            }
+        }
+    }
+    return xs;
+}
diff --git a/node_modules/object-inspect/package-support.json b/node_modules/object-inspect/package-support.json
new file mode 100644
index 000000000..5cc12d058
--- /dev/null
+++ b/node_modules/object-inspect/package-support.json
@@ -0,0 +1,20 @@
+{
+  "versions": [
+    {
+      "version": "*",
+      "target": {
+        "node": "all"
+      },
+      "response": {
+        "type": "time-permitting"
+      },
+      "backing": {
+        "npm-funding": true,
+        "donations": [
+          "https://github.com/ljharb",
+          "https://tidelift.com/funding/github/npm/object-inspect"
+        ]
+      }
+    }
+  ]
+}
diff --git a/node_modules/object-inspect/package.json b/node_modules/object-inspect/package.json
new file mode 100644
index 000000000..7e0b87c79
--- /dev/null
+++ b/node_modules/object-inspect/package.json
@@ -0,0 +1,94 @@
+{
+  "name": "object-inspect",
+  "version": "1.12.2",
+  "description": "string representations of objects in node and the browser",
+  "main": "index.js",
+  "sideEffects": false,
+  "devDependencies": {
+    "@ljharb/eslint-config": "^21.0.0",
+    "aud": "^2.0.0",
+    "auto-changelog": "^2.4.0",
+    "core-js": "^2.6.12",
+    "error-cause": "^1.0.4",
+    "es-value-fixtures": "^1.4.1",
+    "eslint": "=8.8.0",
+    "for-each": "^0.3.3",
+    "functions-have-names": "^1.2.3",
+    "has-tostringtag": "^1.0.0",
+    "make-arrow-function": "^1.2.0",
+    "mock-property": "^1.0.0",
+    "npmignore": "^0.3.0",
+    "nyc": "^10.3.2",
+    "safe-publish-latest": "^2.0.0",
+    "string.prototype.repeat": "^1.0.0",
+    "tape": "^5.5.3"
+  },
+  "scripts": {
+    "prepack": "npmignore --auto --commentLines=autogenerated",
+    "prepublish": "not-in-publish || npm run prepublishOnly",
+    "prepublishOnly": "safe-publish-latest",
+    "pretest": "npm run lint",
+    "lint": "eslint .",
+    "test": "npm run tests-only && npm run test:corejs",
+    "tests-only": "nyc tape 'test/*.js'",
+    "test:corejs": "nyc tape test-core-js.js 'test/*.js'",
+    "posttest": "npx aud --production",
+    "version": "auto-changelog && git add CHANGELOG.md",
+    "postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+  },
+  "testling": {
+    "files": [
+      "test/*.js",
+      "test/browser/*.js"
+    ],
+    "browsers": [
+      "ie/6..latest",
+      "chrome/latest",
+      "firefox/latest",
+      "safari/latest",
+      "opera/latest",
+      "iphone/latest",
+      "ipad/latest",
+      "android/latest"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/inspect-js/object-inspect.git"
+  },
+  "homepage": "https://github.com/inspect-js/object-inspect",
+  "keywords": [
+    "inspect",
+    "util.inspect",
+    "object",
+    "stringify",
+    "pretty"
+  ],
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "funding": {
+    "url": "https://github.com/sponsors/ljharb"
+  },
+  "license": "MIT",
+  "browser": {
+    "./util.inspect.js": false
+  },
+  "auto-changelog": {
+    "output": "CHANGELOG.md",
+    "template": "keepachangelog",
+    "unreleased": false,
+    "commitLimit": false,
+    "backfillLimit": false,
+    "hideCredit": true
+  },
+  "publishConfig": {
+    "ignore": [
+      ".github/workflows",
+      "./test-core-js.js"
+    ]
+  },
+  "support": true
+}
diff --git a/node_modules/object-inspect/readme.markdown b/node_modules/object-inspect/readme.markdown
new file mode 100644
index 000000000..9ff6bec36
--- /dev/null
+++ b/node_modules/object-inspect/readme.markdown
@@ -0,0 +1,86 @@
+# object-inspect <sup>[![Version Badge][2]][1]</sup>
+
+string representations of objects in node and the browser
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][5]][6]
+[![dev dependency status][7]][8]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][11]][1]
+
+# example
+
+## circular
+
+``` js
+var inspect = require('object-inspect');
+var obj = { a: 1, b: [3,4] };
+obj.c = obj;
+console.log(inspect(obj));
+```
+
+## dom element
+
+``` js
+var inspect = require('object-inspect');
+
+var d = document.createElement('div');
+d.setAttribute('id', 'beep');
+d.innerHTML = '<b>wooo</b><i>iiiii</i>';
+
+console.log(inspect([ d, { a: 3, b : 4, c: [5,6,[7,[8,[9]]]] } ]));
+```
+
+output:
+
+```
+[ <div id="beep">...</div>, { a: 3, b: 4, c: [ 5, 6, [ 7, [ 8, [ ... ] ] ] ] } ]
+```
+
+# methods
+
+``` js
+var inspect = require('object-inspect')
+```
+
+## var s = inspect(obj, opts={})
+
+Return a string `s` with the string representation of `obj` up to a depth of `opts.depth`.
+
+Additional options:
+  - `quoteStyle`: must be "single" or "double", if present. Default `'single'` for strings, `'double'` for HTML elements.
+  - `maxStringLength`: must be `0`, a positive integer, `Infinity`, or `null`, if present. Default `Infinity`.
+  - `customInspect`: When `true`, a custom inspect method function will be invoked (either undere the `util.inspect.custom` symbol, or the `inspect` property). When the string `'symbol'`, only the symbol method will be invoked. Default `true`.
+  - `indent`: must be "\t", `null`, or a positive integer. Default `null`.
+  - `numericSeparator`: must be a boolean, if present. Default `false`. If `true`, all numbers will be printed with numeric separators (eg, `1234.5678` will be printed as `'1_234.567_8'`)
+
+# install
+
+With [npm](https://npmjs.org) do:
+
+```
+npm install object-inspect
+```
+
+# license
+
+MIT
+
+[1]: https://npmjs.org/package/object-inspect
+[2]: https://versionbadg.es/inspect-js/object-inspect.svg
+[5]: https://david-dm.org/inspect-js/object-inspect.svg
+[6]: https://david-dm.org/inspect-js/object-inspect
+[7]: https://david-dm.org/inspect-js/object-inspect/dev-status.svg
+[8]: https://david-dm.org/inspect-js/object-inspect#info=devDependencies
+[11]: https://nodei.co/npm/object-inspect.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/object-inspect.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/object-inspect.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=object-inspect
+[codecov-image]: https://codecov.io/gh/inspect-js/object-inspect/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/inspect-js/object-inspect/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/object-inspect
+[actions-url]: https://github.com/inspect-js/object-inspect/actions
diff --git a/node_modules/object-inspect/test-core-js.js b/node_modules/object-inspect/test-core-js.js
new file mode 100644
index 000000000..e53c40022
--- /dev/null
+++ b/node_modules/object-inspect/test-core-js.js
@@ -0,0 +1,26 @@
+'use strict';
+
+require('core-js');
+
+var inspect = require('./');
+var test = require('tape');
+
+test('Maps', function (t) {
+    t.equal(inspect(new Map([[1, 2]])), 'Map (1) {1 => 2}');
+    t.end();
+});
+
+test('WeakMaps', function (t) {
+    t.equal(inspect(new WeakMap([[{}, 2]])), 'WeakMap { ? }');
+    t.end();
+});
+
+test('Sets', function (t) {
+    t.equal(inspect(new Set([[1, 2]])), 'Set (1) {[ 1, 2 ]}');
+    t.end();
+});
+
+test('WeakSets', function (t) {
+    t.equal(inspect(new WeakSet([[1, 2]])), 'WeakSet { ? }');
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/bigint.js b/node_modules/object-inspect/test/bigint.js
new file mode 100644
index 000000000..4ecc31df8
--- /dev/null
+++ b/node_modules/object-inspect/test/bigint.js
@@ -0,0 +1,58 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+var hasToStringTag = require('has-tostringtag/shams')();
+
+test('bigint', { skip: typeof BigInt === 'undefined' }, function (t) {
+    t.test('primitives', function (st) {
+        st.plan(3);
+
+        st.equal(inspect(BigInt(-256)), '-256n');
+        st.equal(inspect(BigInt(0)), '0n');
+        st.equal(inspect(BigInt(256)), '256n');
+    });
+
+    t.test('objects', function (st) {
+        st.plan(3);
+
+        st.equal(inspect(Object(BigInt(-256))), 'Object(-256n)');
+        st.equal(inspect(Object(BigInt(0))), 'Object(0n)');
+        st.equal(inspect(Object(BigInt(256))), 'Object(256n)');
+    });
+
+    t.test('syntactic primitives', function (st) {
+        st.plan(3);
+
+        /* eslint-disable no-new-func */
+        st.equal(inspect(Function('return -256n')()), '-256n');
+        st.equal(inspect(Function('return 0n')()), '0n');
+        st.equal(inspect(Function('return 256n')()), '256n');
+    });
+
+    t.test('toStringTag', { skip: !hasToStringTag }, function (st) {
+        st.plan(1);
+
+        var faker = {};
+        faker[Symbol.toStringTag] = 'BigInt';
+        st.equal(
+            inspect(faker),
+            '{ [Symbol(Symbol.toStringTag)]: \'BigInt\' }',
+            'object lying about being a BigInt inspects as an object'
+        );
+    });
+
+    t.test('numericSeparator', function (st) {
+        st.equal(inspect(BigInt(0), { numericSeparator: false }), '0n', '0n, numericSeparator false');
+        st.equal(inspect(BigInt(0), { numericSeparator: true }), '0n', '0n, numericSeparator true');
+
+        st.equal(inspect(BigInt(1234), { numericSeparator: false }), '1234n', '1234n, numericSeparator false');
+        st.equal(inspect(BigInt(1234), { numericSeparator: true }), '1_234n', '1234n, numericSeparator true');
+        st.equal(inspect(BigInt(-1234), { numericSeparator: false }), '-1234n', '1234n, numericSeparator false');
+        st.equal(inspect(BigInt(-1234), { numericSeparator: true }), '-1_234n', '1234n, numericSeparator true');
+
+        st.end();
+    });
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/browser/dom.js b/node_modules/object-inspect/test/browser/dom.js
new file mode 100644
index 000000000..210c0b233
--- /dev/null
+++ b/node_modules/object-inspect/test/browser/dom.js
@@ -0,0 +1,15 @@
+var inspect = require('../../');
+var test = require('tape');
+
+test('dom element', function (t) {
+    t.plan(1);
+
+    var d = document.createElement('div');
+    d.setAttribute('id', 'beep');
+    d.innerHTML = '<b>wooo</b><i>iiiii</i>';
+
+    t.equal(
+        inspect([d, { a: 3, b: 4, c: [5, 6, [7, [8, [9]]]] }]),
+        '[ <div id="beep">...</div>, { a: 3, b: 4, c: [ 5, 6, [ 7, [ 8, [Object] ] ] ] } ]'
+    );
+});
diff --git a/node_modules/object-inspect/test/circular.js b/node_modules/object-inspect/test/circular.js
new file mode 100644
index 000000000..5df4233cb
--- /dev/null
+++ b/node_modules/object-inspect/test/circular.js
@@ -0,0 +1,16 @@
+var inspect = require('../');
+var test = require('tape');
+
+test('circular', function (t) {
+    t.plan(2);
+    var obj = { a: 1, b: [3, 4] };
+    obj.c = obj;
+    t.equal(inspect(obj), '{ a: 1, b: [ 3, 4 ], c: [Circular] }');
+
+    var double = {};
+    double.a = [double];
+    double.b = {};
+    double.b.inner = double.b;
+    double.b.obj = double;
+    t.equal(inspect(double), '{ a: [ [Circular] ], b: { inner: [Circular], obj: [Circular] } }');
+});
diff --git a/node_modules/object-inspect/test/deep.js b/node_modules/object-inspect/test/deep.js
new file mode 100644
index 000000000..99ce32a08
--- /dev/null
+++ b/node_modules/object-inspect/test/deep.js
@@ -0,0 +1,12 @@
+var inspect = require('../');
+var test = require('tape');
+
+test('deep', function (t) {
+    t.plan(4);
+    var obj = [[[[[[500]]]]]];
+    t.equal(inspect(obj), '[ [ [ [ [ [Array] ] ] ] ] ]');
+    t.equal(inspect(obj, { depth: 4 }), '[ [ [ [ [Array] ] ] ] ]');
+    t.equal(inspect(obj, { depth: 2 }), '[ [ [Array] ] ]');
+
+    t.equal(inspect([[[{ a: 1 }]]], { depth: 3 }), '[ [ [ [Object] ] ] ]');
+});
diff --git a/node_modules/object-inspect/test/element.js b/node_modules/object-inspect/test/element.js
new file mode 100644
index 000000000..47fa9e240
--- /dev/null
+++ b/node_modules/object-inspect/test/element.js
@@ -0,0 +1,53 @@
+var inspect = require('../');
+var test = require('tape');
+
+test('element', function (t) {
+    t.plan(3);
+    var elem = {
+        nodeName: 'div',
+        attributes: [{ name: 'class', value: 'row' }],
+        getAttribute: function (key) { return key; },
+        childNodes: []
+    };
+    var obj = [1, elem, 3];
+    t.deepEqual(inspect(obj), '[ 1, <div class="row"></div>, 3 ]');
+    t.deepEqual(inspect(obj, { quoteStyle: 'single' }), "[ 1, <div class='row'></div>, 3 ]");
+    t.deepEqual(inspect(obj, { quoteStyle: 'double' }), '[ 1, <div class="row"></div>, 3 ]');
+});
+
+test('element no attr', function (t) {
+    t.plan(1);
+    var elem = {
+        nodeName: 'div',
+        getAttribute: function (key) { return key; },
+        childNodes: []
+    };
+    var obj = [1, elem, 3];
+    t.deepEqual(inspect(obj), '[ 1, <div></div>, 3 ]');
+});
+
+test('element with contents', function (t) {
+    t.plan(1);
+    var elem = {
+        nodeName: 'div',
+        getAttribute: function (key) { return key; },
+        childNodes: [{ nodeName: 'b' }]
+    };
+    var obj = [1, elem, 3];
+    t.deepEqual(inspect(obj), '[ 1, <div>...</div>, 3 ]');
+});
+
+test('element instance', function (t) {
+    t.plan(1);
+    var h = global.HTMLElement;
+    global.HTMLElement = function (name, attr) {
+        this.nodeName = name;
+        this.attributes = attr;
+    };
+    global.HTMLElement.prototype.getAttribute = function () {};
+
+    var elem = new global.HTMLElement('div', []);
+    var obj = [1, elem, 3];
+    t.deepEqual(inspect(obj), '[ 1, <div></div>, 3 ]');
+    global.HTMLElement = h;
+});
diff --git a/node_modules/object-inspect/test/err.js b/node_modules/object-inspect/test/err.js
new file mode 100644
index 000000000..cc1d884ab
--- /dev/null
+++ b/node_modules/object-inspect/test/err.js
@@ -0,0 +1,48 @@
+var test = require('tape');
+var ErrorWithCause = require('error-cause/Error');
+
+var inspect = require('../');
+
+test('type error', function (t) {
+    t.plan(1);
+    var aerr = new TypeError();
+    aerr.foo = 555;
+    aerr.bar = [1, 2, 3];
+
+    var berr = new TypeError('tuv');
+    berr.baz = 555;
+
+    var cerr = new SyntaxError();
+    cerr.message = 'whoa';
+    cerr['a-b'] = 5;
+
+    var withCause = new ErrorWithCause('foo', { cause: 'bar' });
+    var withCausePlus = new ErrorWithCause('foo', { cause: 'bar' });
+    withCausePlus.foo = 'bar';
+    var withUndefinedCause = new ErrorWithCause('foo', { cause: undefined });
+    var withEnumerableCause = new Error('foo');
+    withEnumerableCause.cause = 'bar';
+
+    var obj = [
+        new TypeError(),
+        new TypeError('xxx'),
+        aerr,
+        berr,
+        cerr,
+        withCause,
+        withCausePlus,
+        withUndefinedCause,
+        withEnumerableCause
+    ];
+    t.equal(inspect(obj), '[ ' + [
+        '[TypeError]',
+        '[TypeError: xxx]',
+        '{ [TypeError] foo: 555, bar: [ 1, 2, 3 ] }',
+        '{ [TypeError: tuv] baz: 555 }',
+        '{ [SyntaxError: whoa] message: \'whoa\', \'a-b\': 5 }',
+        'cause' in Error.prototype ? '[Error: foo]' : '{ [Error: foo] [cause]: \'bar\' }',
+        '{ [Error: foo] ' + ('cause' in Error.prototype ? '' : '[cause]: \'bar\', ') + 'foo: \'bar\' }',
+        'cause' in Error.prototype ? '[Error: foo]' : '{ [Error: foo] [cause]: undefined }',
+        '{ [Error: foo] cause: \'bar\' }'
+    ].join(', ') + ' ]');
+});
diff --git a/node_modules/object-inspect/test/fakes.js b/node_modules/object-inspect/test/fakes.js
new file mode 100644
index 000000000..a65c08c15
--- /dev/null
+++ b/node_modules/object-inspect/test/fakes.js
@@ -0,0 +1,29 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+var hasToStringTag = require('has-tostringtag/shams')();
+var forEach = require('for-each');
+
+test('fakes', { skip: !hasToStringTag }, function (t) {
+    forEach([
+        'Array',
+        'Boolean',
+        'Date',
+        'Error',
+        'Number',
+        'RegExp',
+        'String'
+    ], function (expected) {
+        var faker = {};
+        faker[Symbol.toStringTag] = expected;
+
+        t.equal(
+            inspect(faker),
+            '{ [Symbol(Symbol.toStringTag)]: \'' + expected + '\' }',
+            'faker masquerading as ' + expected + ' is not shown as one'
+        );
+    });
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/fn.js b/node_modules/object-inspect/test/fn.js
new file mode 100644
index 000000000..de3ca625e
--- /dev/null
+++ b/node_modules/object-inspect/test/fn.js
@@ -0,0 +1,76 @@
+var inspect = require('../');
+var test = require('tape');
+var arrow = require('make-arrow-function')();
+var functionsHaveConfigurableNames = require('functions-have-names').functionsHaveConfigurableNames();
+
+test('function', function (t) {
+    t.plan(1);
+    var obj = [1, 2, function f(n) { return n; }, 4];
+    t.equal(inspect(obj), '[ 1, 2, [Function: f], 4 ]');
+});
+
+test('function name', function (t) {
+    t.plan(1);
+    var f = (function () {
+        return function () {};
+    }());
+    f.toString = function toStr() { return 'function xxx () {}'; };
+    var obj = [1, 2, f, 4];
+    t.equal(inspect(obj), '[ 1, 2, [Function (anonymous)] { toString: [Function: toStr] }, 4 ]');
+});
+
+test('anon function', function (t) {
+    var f = (function () {
+        return function () {};
+    }());
+    var obj = [1, 2, f, 4];
+    t.equal(inspect(obj), '[ 1, 2, [Function (anonymous)], 4 ]');
+
+    t.end();
+});
+
+test('arrow function', { skip: !arrow }, function (t) {
+    t.equal(inspect(arrow), '[Function (anonymous)]');
+
+    t.end();
+});
+
+test('truly nameless function', { skip: !arrow || !functionsHaveConfigurableNames }, function (t) {
+    function f() {}
+    Object.defineProperty(f, 'name', { value: false });
+    t.equal(f.name, false);
+    t.equal(
+        inspect(f),
+        '[Function: f]',
+        'named function with falsy `.name` does not hide its original name'
+    );
+
+    function g() {}
+    Object.defineProperty(g, 'name', { value: true });
+    t.equal(g.name, true);
+    t.equal(
+        inspect(g),
+        '[Function: true]',
+        'named function with truthy `.name` hides its original name'
+    );
+
+    var anon = function () {}; // eslint-disable-line func-style
+    Object.defineProperty(anon, 'name', { value: null });
+    t.equal(anon.name, null);
+    t.equal(
+        inspect(anon),
+        '[Function (anonymous)]',
+        'anon function with falsy `.name` does not hide its anonymity'
+    );
+
+    var anon2 = function () {}; // eslint-disable-line func-style
+    Object.defineProperty(anon2, 'name', { value: 1 });
+    t.equal(anon2.name, 1);
+    t.equal(
+        inspect(anon2),
+        '[Function: 1]',
+        'anon function with truthy `.name` hides its anonymity'
+    );
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/has.js b/node_modules/object-inspect/test/has.js
new file mode 100644
index 000000000..01800dee6
--- /dev/null
+++ b/node_modules/object-inspect/test/has.js
@@ -0,0 +1,15 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+var mockProperty = require('mock-property');
+
+test('when Object#hasOwnProperty is deleted', function (t) {
+    t.plan(1);
+    var arr = [1, , 3]; // eslint-disable-line no-sparse-arrays
+
+    t.teardown(mockProperty(Array.prototype, 1, { value: 2 })); // this is needed to account for "in" vs "hasOwnProperty"
+    t.teardown(mockProperty(Object.prototype, 'hasOwnProperty', { 'delete': true }));
+
+    t.equal(inspect(arr), '[ 1, , 3 ]');
+});
diff --git a/node_modules/object-inspect/test/holes.js b/node_modules/object-inspect/test/holes.js
new file mode 100644
index 000000000..87fc8c84a
--- /dev/null
+++ b/node_modules/object-inspect/test/holes.js
@@ -0,0 +1,15 @@
+var test = require('tape');
+var inspect = require('../');
+
+var xs = ['a', 'b'];
+xs[5] = 'f';
+xs[7] = 'j';
+xs[8] = 'k';
+
+test('holes', function (t) {
+    t.plan(1);
+    t.equal(
+        inspect(xs),
+        "[ 'a', 'b', , , , 'f', , 'j', 'k' ]"
+    );
+});
diff --git a/node_modules/object-inspect/test/indent-option.js b/node_modules/object-inspect/test/indent-option.js
new file mode 100644
index 000000000..89d8fcedf
--- /dev/null
+++ b/node_modules/object-inspect/test/indent-option.js
@@ -0,0 +1,271 @@
+var test = require('tape');
+var forEach = require('for-each');
+
+var inspect = require('../');
+
+test('bad indent options', function (t) {
+    forEach([
+        undefined,
+        true,
+        false,
+        -1,
+        1.2,
+        Infinity,
+        -Infinity,
+        NaN
+    ], function (indent) {
+        t['throws'](
+            function () { inspect('', { indent: indent }); },
+            TypeError,
+            inspect(indent) + ' is invalid'
+        );
+    });
+
+    t.end();
+});
+
+test('simple object with indent', function (t) {
+    t.plan(2);
+
+    var obj = { a: 1, b: 2 };
+
+    var expectedSpaces = [
+        '{',
+        '  a: 1,',
+        '  b: 2',
+        '}'
+    ].join('\n');
+    var expectedTabs = [
+        '{',
+        '	a: 1,',
+        '	b: 2',
+        '}'
+    ].join('\n');
+
+    t.equal(inspect(obj, { indent: 2 }), expectedSpaces, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expectedTabs, 'tabs');
+});
+
+test('two deep object with indent', function (t) {
+    t.plan(2);
+
+    var obj = { a: 1, b: { c: 3, d: 4 } };
+
+    var expectedSpaces = [
+        '{',
+        '  a: 1,',
+        '  b: {',
+        '    c: 3,',
+        '    d: 4',
+        '  }',
+        '}'
+    ].join('\n');
+    var expectedTabs = [
+        '{',
+        '	a: 1,',
+        '	b: {',
+        '		c: 3,',
+        '		d: 4',
+        '	}',
+        '}'
+    ].join('\n');
+
+    t.equal(inspect(obj, { indent: 2 }), expectedSpaces, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expectedTabs, 'tabs');
+});
+
+test('simple array with all single line elements', function (t) {
+    t.plan(2);
+
+    var obj = [1, 2, 3, 'asdf\nsdf'];
+
+    var expected = '[ 1, 2, 3, \'asdf\\nsdf\' ]';
+
+    t.equal(inspect(obj, { indent: 2 }), expected, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expected, 'tabs');
+});
+
+test('array with complex elements', function (t) {
+    t.plan(2);
+
+    var obj = [1, { a: 1, b: { c: 1 } }, 'asdf\nsdf'];
+
+    var expectedSpaces = [
+        '[',
+        '  1,',
+        '  {',
+        '    a: 1,',
+        '    b: {',
+        '      c: 1',
+        '    }',
+        '  },',
+        '  \'asdf\\nsdf\'',
+        ']'
+    ].join('\n');
+    var expectedTabs = [
+        '[',
+        '	1,',
+        '	{',
+        '		a: 1,',
+        '		b: {',
+        '			c: 1',
+        '		}',
+        '	},',
+        '	\'asdf\\nsdf\'',
+        ']'
+    ].join('\n');
+
+    t.equal(inspect(obj, { indent: 2 }), expectedSpaces, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expectedTabs, 'tabs');
+});
+
+test('values', function (t) {
+    t.plan(2);
+    var obj = [{}, [], { 'a-b': 5 }];
+
+    var expectedSpaces = [
+        '[',
+        '  {},',
+        '  [],',
+        '  {',
+        '    \'a-b\': 5',
+        '  }',
+        ']'
+    ].join('\n');
+    var expectedTabs = [
+        '[',
+        '	{},',
+        '	[],',
+        '	{',
+        '		\'a-b\': 5',
+        '	}',
+        ']'
+    ].join('\n');
+
+    t.equal(inspect(obj, { indent: 2 }), expectedSpaces, 'two');
+    t.equal(inspect(obj, { indent: '\t' }), expectedTabs, 'tabs');
+});
+
+test('Map', { skip: typeof Map !== 'function' }, function (t) {
+    var map = new Map();
+    map.set({ a: 1 }, ['b']);
+    map.set(3, NaN);
+
+    var expectedStringSpaces = [
+        'Map (2) {',
+        '  { a: 1 } => [ \'b\' ],',
+        '  3 => NaN',
+        '}'
+    ].join('\n');
+    var expectedStringTabs = [
+        'Map (2) {',
+        '	{ a: 1 } => [ \'b\' ],',
+        '	3 => NaN',
+        '}'
+    ].join('\n');
+    var expectedStringTabsDoubleQuotes = [
+        'Map (2) {',
+        '	{ a: 1 } => [ "b" ],',
+        '	3 => NaN',
+        '}'
+    ].join('\n');
+
+    t.equal(
+        inspect(map, { indent: 2 }),
+        expectedStringSpaces,
+        'Map keys are not indented (two)'
+    );
+    t.equal(
+        inspect(map, { indent: '\t' }),
+        expectedStringTabs,
+        'Map keys are not indented (tabs)'
+    );
+    t.equal(
+        inspect(map, { indent: '\t', quoteStyle: 'double' }),
+        expectedStringTabsDoubleQuotes,
+        'Map keys are not indented (tabs + double quotes)'
+    );
+
+    t.equal(inspect(new Map(), { indent: 2 }), 'Map (0) {}', 'empty Map should show as empty (two)');
+    t.equal(inspect(new Map(), { indent: '\t' }), 'Map (0) {}', 'empty Map should show as empty (tabs)');
+
+    var nestedMap = new Map();
+    nestedMap.set(nestedMap, map);
+    var expectedNestedSpaces = [
+        'Map (1) {',
+        '  [Circular] => Map (2) {',
+        '    { a: 1 } => [ \'b\' ],',
+        '    3 => NaN',
+        '  }',
+        '}'
+    ].join('\n');
+    var expectedNestedTabs = [
+        'Map (1) {',
+        '	[Circular] => Map (2) {',
+        '		{ a: 1 } => [ \'b\' ],',
+        '		3 => NaN',
+        '	}',
+        '}'
+    ].join('\n');
+    t.equal(inspect(nestedMap, { indent: 2 }), expectedNestedSpaces, 'Map containing a Map should work (two)');
+    t.equal(inspect(nestedMap, { indent: '\t' }), expectedNestedTabs, 'Map containing a Map should work (tabs)');
+
+    t.end();
+});
+
+test('Set', { skip: typeof Set !== 'function' }, function (t) {
+    var set = new Set();
+    set.add({ a: 1 });
+    set.add(['b']);
+    var expectedStringSpaces = [
+        'Set (2) {',
+        '  {',
+        '    a: 1',
+        '  },',
+        '  [ \'b\' ]',
+        '}'
+    ].join('\n');
+    var expectedStringTabs = [
+        'Set (2) {',
+        '	{',
+        '		a: 1',
+        '	},',
+        '	[ \'b\' ]',
+        '}'
+    ].join('\n');
+    t.equal(inspect(set, { indent: 2 }), expectedStringSpaces, 'new Set([{ a: 1 }, ["b"]]) should show size and contents (two)');
+    t.equal(inspect(set, { indent: '\t' }), expectedStringTabs, 'new Set([{ a: 1 }, ["b"]]) should show size and contents (tabs)');
+
+    t.equal(inspect(new Set(), { indent: 2 }), 'Set (0) {}', 'empty Set should show as empty (two)');
+    t.equal(inspect(new Set(), { indent: '\t' }), 'Set (0) {}', 'empty Set should show as empty (tabs)');
+
+    var nestedSet = new Set();
+    nestedSet.add(set);
+    nestedSet.add(nestedSet);
+    var expectedNestedSpaces = [
+        'Set (2) {',
+        '  Set (2) {',
+        '    {',
+        '      a: 1',
+        '    },',
+        '    [ \'b\' ]',
+        '  },',
+        '  [Circular]',
+        '}'
+    ].join('\n');
+    var expectedNestedTabs = [
+        'Set (2) {',
+        '	Set (2) {',
+        '		{',
+        '			a: 1',
+        '		},',
+        '		[ \'b\' ]',
+        '	},',
+        '	[Circular]',
+        '}'
+    ].join('\n');
+    t.equal(inspect(nestedSet, { indent: 2 }), expectedNestedSpaces, 'Set containing a Set should work (two)');
+    t.equal(inspect(nestedSet, { indent: '\t' }), expectedNestedTabs, 'Set containing a Set should work (tabs)');
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/inspect.js b/node_modules/object-inspect/test/inspect.js
new file mode 100644
index 000000000..1abf81b1f
--- /dev/null
+++ b/node_modules/object-inspect/test/inspect.js
@@ -0,0 +1,139 @@
+var test = require('tape');
+var hasSymbols = require('has-symbols/shams')();
+var utilInspect = require('../util.inspect');
+var repeat = require('string.prototype.repeat');
+
+var inspect = require('..');
+
+test('inspect', function (t) {
+    t.plan(5);
+
+    var obj = [{ inspect: function xyzInspect() { return '!XYZ¡'; } }, []];
+    var stringResult = '[ !XYZ¡, [] ]';
+    var falseResult = '[ { inspect: [Function: xyzInspect] }, [] ]';
+
+    t.equal(inspect(obj), stringResult);
+    t.equal(inspect(obj, { customInspect: true }), stringResult);
+    t.equal(inspect(obj, { customInspect: 'symbol' }), falseResult);
+    t.equal(inspect(obj, { customInspect: false }), falseResult);
+    t['throws'](
+        function () { inspect(obj, { customInspect: 'not a boolean or "symbol"' }); },
+        TypeError,
+        '`customInspect` must be a boolean or the string "symbol"'
+    );
+});
+
+test('inspect custom symbol', { skip: !hasSymbols || !utilInspect || !utilInspect.custom }, function (t) {
+    t.plan(4);
+
+    var obj = { inspect: function stringInspect() { return 'string'; } };
+    obj[utilInspect.custom] = function custom() { return 'symbol'; };
+
+    var symbolResult = '[ symbol, [] ]';
+    var stringResult = '[ string, [] ]';
+    var falseResult = '[ { inspect: [Function: stringInspect]' + (utilInspect.custom ? ', [' + inspect(utilInspect.custom) + ']: [Function: custom]' : '') + ' }, [] ]';
+
+    var symbolStringFallback = utilInspect.custom ? symbolResult : stringResult;
+    var symbolFalseFallback = utilInspect.custom ? symbolResult : falseResult;
+
+    t.equal(inspect([obj, []]), symbolStringFallback);
+    t.equal(inspect([obj, []], { customInspect: true }), symbolStringFallback);
+    t.equal(inspect([obj, []], { customInspect: 'symbol' }), symbolFalseFallback);
+    t.equal(inspect([obj, []], { customInspect: false }), falseResult);
+});
+
+test('symbols', { skip: !hasSymbols }, function (t) {
+    t.plan(2);
+
+    var obj = { a: 1 };
+    obj[Symbol('test')] = 2;
+    obj[Symbol.iterator] = 3;
+    Object.defineProperty(obj, Symbol('non-enum'), {
+        enumerable: false,
+        value: 4
+    });
+
+    if (typeof Symbol.iterator === 'symbol') {
+        t.equal(inspect(obj), '{ a: 1, [Symbol(test)]: 2, [Symbol(Symbol.iterator)]: 3 }', 'object with symbols');
+        t.equal(inspect([obj, []]), '[ { a: 1, [Symbol(test)]: 2, [Symbol(Symbol.iterator)]: 3 }, [] ]', 'object with symbols in array');
+    } else {
+        // symbol sham key ordering is unreliable
+        t.match(
+            inspect(obj),
+            /^(?:{ a: 1, \[Symbol\(test\)\]: 2, \[Symbol\(Symbol.iterator\)\]: 3 }|{ a: 1, \[Symbol\(Symbol.iterator\)\]: 3, \[Symbol\(test\)\]: 2 })$/,
+            'object with symbols (nondeterministic symbol sham key ordering)'
+        );
+        t.match(
+            inspect([obj, []]),
+            /^\[ (?:{ a: 1, \[Symbol\(test\)\]: 2, \[Symbol\(Symbol.iterator\)\]: 3 }|{ a: 1, \[Symbol\(Symbol.iterator\)\]: 3, \[Symbol\(test\)\]: 2 }), \[\] \]$/,
+            'object with symbols in array (nondeterministic symbol sham key ordering)'
+        );
+    }
+});
+
+test('maxStringLength', function (t) {
+    t['throws'](
+        function () { inspect('', { maxStringLength: -1 }); },
+        TypeError,
+        'maxStringLength must be >= 0, or Infinity, not negative'
+    );
+
+    var str = repeat('a', 1e8);
+
+    t.equal(
+        inspect([str], { maxStringLength: 10 }),
+        '[ \'aaaaaaaaaa\'... 99999990 more characters ]',
+        'maxStringLength option limits output'
+    );
+
+    t.equal(
+        inspect(['f'], { maxStringLength: null }),
+        '[ \'\'... 1 more character ]',
+        'maxStringLength option accepts `null`'
+    );
+
+    t.equal(
+        inspect([str], { maxStringLength: Infinity }),
+        '[ \'' + str + '\' ]',
+        'maxStringLength option accepts ∞'
+    );
+
+    t.end();
+});
+
+test('inspect options', { skip: !utilInspect.custom }, function (t) {
+    var obj = {};
+    obj[utilInspect.custom] = function () {
+        return JSON.stringify(arguments);
+    };
+    t.equal(
+        inspect(obj),
+        utilInspect(obj, { depth: 5 }),
+        'custom symbols will use node\'s inspect'
+    );
+    t.equal(
+        inspect(obj, { depth: 2 }),
+        utilInspect(obj, { depth: 2 }),
+        'a reduced depth will be passed to node\'s inspect'
+    );
+    t.equal(
+        inspect({ d1: obj }, { depth: 3 }),
+        '{ d1: ' + utilInspect(obj, { depth: 2 }) + ' }',
+        'deep objects will receive a reduced depth'
+    );
+    t.equal(
+        inspect({ d1: obj }, { depth: 1 }),
+        '{ d1: [Object] }',
+        'unlike nodejs inspect, customInspect will not be used once the depth is exceeded.'
+    );
+    t.end();
+});
+
+test('inspect URL', { skip: typeof URL === 'undefined' }, function (t) {
+    t.match(
+        inspect(new URL('https://nodejs.org')),
+        /nodejs\.org/, // Different environments stringify it differently
+        'url can be inspected'
+    );
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/lowbyte.js b/node_modules/object-inspect/test/lowbyte.js
new file mode 100644
index 000000000..68a345d85
--- /dev/null
+++ b/node_modules/object-inspect/test/lowbyte.js
@@ -0,0 +1,12 @@
+var test = require('tape');
+var inspect = require('../');
+
+var obj = { x: 'a\r\nb', y: '\x05! \x1f \x12' };
+
+test('interpolate low bytes', function (t) {
+    t.plan(1);
+    t.equal(
+        inspect(obj),
+        "{ x: 'a\\r\\nb', y: '\\x05! \\x1F \\x12' }"
+    );
+});
diff --git a/node_modules/object-inspect/test/number.js b/node_modules/object-inspect/test/number.js
new file mode 100644
index 000000000..8f287e8e2
--- /dev/null
+++ b/node_modules/object-inspect/test/number.js
@@ -0,0 +1,58 @@
+var test = require('tape');
+var v = require('es-value-fixtures');
+var forEach = require('for-each');
+
+var inspect = require('../');
+
+test('negative zero', function (t) {
+    t.equal(inspect(0), '0', 'inspect(0) === "0"');
+    t.equal(inspect(Object(0)), 'Object(0)', 'inspect(Object(0)) === "Object(0)"');
+
+    t.equal(inspect(-0), '-0', 'inspect(-0) === "-0"');
+    t.equal(inspect(Object(-0)), 'Object(-0)', 'inspect(Object(-0)) === "Object(-0)"');
+
+    t.end();
+});
+
+test('numericSeparator', function (t) {
+    forEach(v.nonBooleans, function (nonBoolean) {
+        t['throws'](
+            function () { inspect(true, { numericSeparator: nonBoolean }); },
+            TypeError,
+            inspect(nonBoolean) + ' is not a boolean'
+        );
+    });
+
+    t.test('3 digit numbers', function (st) {
+        var failed = false;
+        for (var i = -999; i < 1000; i += 1) {
+            var actual = inspect(i);
+            var actualSepNo = inspect(i, { numericSeparator: false });
+            var actualSepYes = inspect(i, { numericSeparator: true });
+            var expected = String(i);
+            if (actual !== expected || actualSepNo !== expected || actualSepYes !== expected) {
+                failed = true;
+                t.equal(actual, expected);
+                t.equal(actualSepNo, expected);
+                t.equal(actualSepYes, expected);
+            }
+        }
+
+        st.notOk(failed, 'all 3 digit numbers passed');
+
+        st.end();
+    });
+
+    t.equal(inspect(1e3), '1000', '1000');
+    t.equal(inspect(1e3, { numericSeparator: false }), '1000', '1000, numericSeparator false');
+    t.equal(inspect(1e3, { numericSeparator: true }), '1_000', '1000, numericSeparator true');
+    t.equal(inspect(-1e3), '-1000', '-1000');
+    t.equal(inspect(-1e3, { numericSeparator: false }), '-1000', '-1000, numericSeparator false');
+    t.equal(inspect(-1e3, { numericSeparator: true }), '-1_000', '-1000, numericSeparator true');
+
+    t.equal(inspect(1234.5678, { numericSeparator: true }), '1_234.567_8', 'fractional numbers get separators');
+    t.equal(inspect(1234.56789, { numericSeparator: true }), '1_234.567_89', 'fractional numbers get separators');
+    t.equal(inspect(1234.567891, { numericSeparator: true }), '1_234.567_891', 'fractional numbers get separators');
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/quoteStyle.js b/node_modules/object-inspect/test/quoteStyle.js
new file mode 100644
index 000000000..ae4d734bf
--- /dev/null
+++ b/node_modules/object-inspect/test/quoteStyle.js
@@ -0,0 +1,17 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+
+test('quoteStyle option', function (t) {
+    t['throws'](function () { inspect(null, { quoteStyle: false }); }, 'false is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: true }); }, 'true is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: '' }); }, '"" is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: {} }); }, '{} is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: [] }); }, '[] is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: 42 }); }, '42 is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: NaN }); }, 'NaN is not a valid value');
+    t['throws'](function () { inspect(null, { quoteStyle: function () {} }); }, 'a function is not a valid value');
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/test/toStringTag.js b/node_modules/object-inspect/test/toStringTag.js
new file mode 100644
index 000000000..95f82703d
--- /dev/null
+++ b/node_modules/object-inspect/test/toStringTag.js
@@ -0,0 +1,40 @@
+'use strict';
+
+var test = require('tape');
+var hasToStringTag = require('has-tostringtag/shams')();
+
+var inspect = require('../');
+
+test('Symbol.toStringTag', { skip: !hasToStringTag }, function (t) {
+    t.plan(4);
+
+    var obj = { a: 1 };
+    t.equal(inspect(obj), '{ a: 1 }', 'object, no Symbol.toStringTag');
+
+    obj[Symbol.toStringTag] = 'foo';
+    t.equal(inspect(obj), '{ a: 1, [Symbol(Symbol.toStringTag)]: \'foo\' }', 'object with Symbol.toStringTag');
+
+    t.test('null objects', { skip: 'toString' in { __proto__: null } }, function (st) {
+        st.plan(2);
+
+        var dict = { __proto__: null, a: 1 };
+        st.equal(inspect(dict), '[Object: null prototype] { a: 1 }', 'null object with Symbol.toStringTag');
+
+        dict[Symbol.toStringTag] = 'Dict';
+        st.equal(inspect(dict), '[Dict: null prototype] { a: 1, [Symbol(Symbol.toStringTag)]: \'Dict\' }', 'null object with Symbol.toStringTag');
+    });
+
+    t.test('instances', function (st) {
+        st.plan(4);
+
+        function C() {
+            this.a = 1;
+        }
+        st.equal(Object.prototype.toString.call(new C()), '[object Object]', 'instance, no toStringTag, Object.prototype.toString');
+        st.equal(inspect(new C()), 'C { a: 1 }', 'instance, no toStringTag');
+
+        C.prototype[Symbol.toStringTag] = 'Class!';
+        st.equal(Object.prototype.toString.call(new C()), '[object Class!]', 'instance, with toStringTag, Object.prototype.toString');
+        st.equal(inspect(new C()), 'C [Class!] { a: 1 }', 'instance, with toStringTag');
+    });
+});
diff --git a/node_modules/object-inspect/test/undef.js b/node_modules/object-inspect/test/undef.js
new file mode 100644
index 000000000..e3f496122
--- /dev/null
+++ b/node_modules/object-inspect/test/undef.js
@@ -0,0 +1,12 @@
+var test = require('tape');
+var inspect = require('../');
+
+var obj = { a: 1, b: [3, 4, undefined, null], c: undefined, d: null };
+
+test('undef and null', function (t) {
+    t.plan(1);
+    t.equal(
+        inspect(obj),
+        '{ a: 1, b: [ 3, 4, undefined, null ], c: undefined, d: null }'
+    );
+});
diff --git a/node_modules/object-inspect/test/values.js b/node_modules/object-inspect/test/values.js
new file mode 100644
index 000000000..4832b9fe9
--- /dev/null
+++ b/node_modules/object-inspect/test/values.js
@@ -0,0 +1,211 @@
+'use strict';
+
+var inspect = require('../');
+var test = require('tape');
+var mockProperty = require('mock-property');
+var hasSymbols = require('has-symbols/shams')();
+var hasToStringTag = require('has-tostringtag/shams')();
+
+test('values', function (t) {
+    t.plan(1);
+    var obj = [{}, [], { 'a-b': 5 }];
+    t.equal(inspect(obj), '[ {}, [], { \'a-b\': 5 } ]');
+});
+
+test('arrays with properties', function (t) {
+    t.plan(1);
+    var arr = [3];
+    arr.foo = 'bar';
+    var obj = [1, 2, arr];
+    obj.baz = 'quux';
+    obj.index = -1;
+    t.equal(inspect(obj), '[ 1, 2, [ 3, foo: \'bar\' ], baz: \'quux\', index: -1 ]');
+});
+
+test('has', function (t) {
+    t.plan(1);
+    t.teardown(mockProperty(Object.prototype, 'hasOwnProperty', { 'delete': true }));
+
+    t.equal(inspect({ a: 1, b: 2 }), '{ a: 1, b: 2 }');
+});
+
+test('indexOf seen', function (t) {
+    t.plan(1);
+    var xs = [1, 2, 3, {}];
+    xs.push(xs);
+
+    var seen = [];
+    seen.indexOf = undefined;
+
+    t.equal(
+        inspect(xs, {}, 0, seen),
+        '[ 1, 2, 3, {}, [Circular] ]'
+    );
+});
+
+test('seen seen', function (t) {
+    t.plan(1);
+    var xs = [1, 2, 3];
+
+    var seen = [xs];
+    seen.indexOf = undefined;
+
+    t.equal(
+        inspect(xs, {}, 0, seen),
+        '[Circular]'
+    );
+});
+
+test('seen seen seen', function (t) {
+    t.plan(1);
+    var xs = [1, 2, 3];
+
+    var seen = [5, xs];
+    seen.indexOf = undefined;
+
+    t.equal(
+        inspect(xs, {}, 0, seen),
+        '[Circular]'
+    );
+});
+
+test('symbols', { skip: !hasSymbols }, function (t) {
+    var sym = Symbol('foo');
+    t.equal(inspect(sym), 'Symbol(foo)', 'Symbol("foo") should be "Symbol(foo)"');
+    if (typeof sym === 'symbol') {
+        // Symbol shams are incapable of differentiating boxed from unboxed symbols
+        t.equal(inspect(Object(sym)), 'Object(Symbol(foo))', 'Object(Symbol("foo")) should be "Object(Symbol(foo))"');
+    }
+
+    t.test('toStringTag', { skip: !hasToStringTag }, function (st) {
+        st.plan(1);
+
+        var faker = {};
+        faker[Symbol.toStringTag] = 'Symbol';
+        st.equal(
+            inspect(faker),
+            '{ [Symbol(Symbol.toStringTag)]: \'Symbol\' }',
+            'object lying about being a Symbol inspects as an object'
+        );
+    });
+
+    t.end();
+});
+
+test('Map', { skip: typeof Map !== 'function' }, function (t) {
+    var map = new Map();
+    map.set({ a: 1 }, ['b']);
+    map.set(3, NaN);
+    var expectedString = 'Map (2) {' + inspect({ a: 1 }) + ' => ' + inspect(['b']) + ', 3 => NaN}';
+    t.equal(inspect(map), expectedString, 'new Map([[{ a: 1 }, ["b"]], [3, NaN]]) should show size and contents');
+    t.equal(inspect(new Map()), 'Map (0) {}', 'empty Map should show as empty');
+
+    var nestedMap = new Map();
+    nestedMap.set(nestedMap, map);
+    t.equal(inspect(nestedMap), 'Map (1) {[Circular] => ' + expectedString + '}', 'Map containing a Map should work');
+
+    t.end();
+});
+
+test('WeakMap', { skip: typeof WeakMap !== 'function' }, function (t) {
+    var map = new WeakMap();
+    map.set({ a: 1 }, ['b']);
+    var expectedString = 'WeakMap { ? }';
+    t.equal(inspect(map), expectedString, 'new WeakMap([[{ a: 1 }, ["b"]]]) should not show size or contents');
+    t.equal(inspect(new WeakMap()), 'WeakMap { ? }', 'empty WeakMap should not show as empty');
+
+    t.end();
+});
+
+test('Set', { skip: typeof Set !== 'function' }, function (t) {
+    var set = new Set();
+    set.add({ a: 1 });
+    set.add(['b']);
+    var expectedString = 'Set (2) {' + inspect({ a: 1 }) + ', ' + inspect(['b']) + '}';
+    t.equal(inspect(set), expectedString, 'new Set([{ a: 1 }, ["b"]]) should show size and contents');
+    t.equal(inspect(new Set()), 'Set (0) {}', 'empty Set should show as empty');
+
+    var nestedSet = new Set();
+    nestedSet.add(set);
+    nestedSet.add(nestedSet);
+    t.equal(inspect(nestedSet), 'Set (2) {' + expectedString + ', [Circular]}', 'Set containing a Set should work');
+
+    t.end();
+});
+
+test('WeakSet', { skip: typeof WeakSet !== 'function' }, function (t) {
+    var map = new WeakSet();
+    map.add({ a: 1 });
+    var expectedString = 'WeakSet { ? }';
+    t.equal(inspect(map), expectedString, 'new WeakSet([{ a: 1 }]) should not show size or contents');
+    t.equal(inspect(new WeakSet()), 'WeakSet { ? }', 'empty WeakSet should not show as empty');
+
+    t.end();
+});
+
+test('WeakRef', { skip: typeof WeakRef !== 'function' }, function (t) {
+    var ref = new WeakRef({ a: 1 });
+    var expectedString = 'WeakRef { ? }';
+    t.equal(inspect(ref), expectedString, 'new WeakRef({ a: 1 }) should not show contents');
+
+    t.end();
+});
+
+test('FinalizationRegistry', { skip: typeof FinalizationRegistry !== 'function' }, function (t) {
+    var registry = new FinalizationRegistry(function () {});
+    var expectedString = 'FinalizationRegistry [FinalizationRegistry] {}';
+    t.equal(inspect(registry), expectedString, 'new FinalizationRegistry(function () {}) should work normallys');
+
+    t.end();
+});
+
+test('Strings', function (t) {
+    var str = 'abc';
+
+    t.equal(inspect(str), "'" + str + "'", 'primitive string shows as such');
+    t.equal(inspect(str, { quoteStyle: 'single' }), "'" + str + "'", 'primitive string shows as such, single quoted');
+    t.equal(inspect(str, { quoteStyle: 'double' }), '"' + str + '"', 'primitive string shows as such, double quoted');
+    t.equal(inspect(Object(str)), 'Object(' + inspect(str) + ')', 'String object shows as such');
+    t.equal(inspect(Object(str), { quoteStyle: 'single' }), 'Object(' + inspect(str, { quoteStyle: 'single' }) + ')', 'String object shows as such, single quoted');
+    t.equal(inspect(Object(str), { quoteStyle: 'double' }), 'Object(' + inspect(str, { quoteStyle: 'double' }) + ')', 'String object shows as such, double quoted');
+
+    t.end();
+});
+
+test('Numbers', function (t) {
+    var num = 42;
+
+    t.equal(inspect(num), String(num), 'primitive number shows as such');
+    t.equal(inspect(Object(num)), 'Object(' + inspect(num) + ')', 'Number object shows as such');
+
+    t.end();
+});
+
+test('Booleans', function (t) {
+    t.equal(inspect(true), String(true), 'primitive true shows as such');
+    t.equal(inspect(Object(true)), 'Object(' + inspect(true) + ')', 'Boolean object true shows as such');
+
+    t.equal(inspect(false), String(false), 'primitive false shows as such');
+    t.equal(inspect(Object(false)), 'Object(' + inspect(false) + ')', 'Boolean false object shows as such');
+
+    t.end();
+});
+
+test('Date', function (t) {
+    var now = new Date();
+    t.equal(inspect(now), String(now), 'Date shows properly');
+    t.equal(inspect(new Date(NaN)), 'Invalid Date', 'Invalid Date shows properly');
+
+    t.end();
+});
+
+test('RegExps', function (t) {
+    t.equal(inspect(/a/g), '/a/g', 'regex shows properly');
+    t.equal(inspect(new RegExp('abc', 'i')), '/abc/i', 'new RegExp shows properly');
+
+    var match = 'abc abc'.match(/[ab]+/);
+    delete match.groups; // for node < 10
+    t.equal(inspect(match), '[ \'ab\', index: 0, input: \'abc abc\' ]', 'RegExp match object shows properly');
+
+    t.end();
+});
diff --git a/node_modules/object-inspect/util.inspect.js b/node_modules/object-inspect/util.inspect.js
new file mode 100644
index 000000000..7784fab55
--- /dev/null
+++ b/node_modules/object-inspect/util.inspect.js
@@ -0,0 +1 @@
+module.exports = require('util').inspect;
diff --git a/node_modules/on-finished/HISTORY.md b/node_modules/on-finished/HISTORY.md
new file mode 100644
index 000000000..1917595a7
--- /dev/null
+++ b/node_modules/on-finished/HISTORY.md
@@ -0,0 +1,98 @@
+2.4.1 / 2022-02-22
+==================
+
+  * Fix error on early async hooks implementations
+
+2.4.0 / 2022-02-21
+==================
+
+  * Prevent loss of async hooks context
+
+2.3.0 / 2015-05-26
+==================
+
+  * Add defined behavior for HTTP `CONNECT` requests
+  * Add defined behavior for HTTP `Upgrade` requests
+  * deps: ee-first@1.1.1
+
+2.2.1 / 2015-04-22
+==================
+
+  * Fix `isFinished(req)` when data buffered
+
+2.2.0 / 2014-12-22
+==================
+
+  * Add message object to callback arguments
+
+2.1.1 / 2014-10-22
+==================
+
+  * Fix handling of pipelined requests
+
+2.1.0 / 2014-08-16
+==================
+
+  * Check if `socket` is detached
+  * Return `undefined` for `isFinished` if state unknown
+
+2.0.0 / 2014-08-16
+==================
+
+  * Add `isFinished` function
+  * Move to `jshttp` organization
+  * Remove support for plain socket argument
+  * Rename to `on-finished`
+  * Support both `req` and `res` as arguments
+  * deps: ee-first@1.0.5
+
+1.2.2 / 2014-06-10
+==================
+
+  * Reduce listeners added to emitters
+    - avoids "event emitter leak" warnings when used multiple times on same request
+
+1.2.1 / 2014-06-08
+==================
+
+  * Fix returned value when already finished
+
+1.2.0 / 2014-06-05
+==================
+
+  * Call callback when called on already-finished socket
+
+1.1.4 / 2014-05-27
+==================
+
+  * Support node.js 0.8
+
+1.1.3 / 2014-04-30
+==================
+
+  * Make sure errors passed as instanceof `Error`
+
+1.1.2 / 2014-04-18
+==================
+
+  * Default the `socket` to passed-in object
+
+1.1.1 / 2014-01-16
+==================
+
+  * Rename module to `finished`
+
+1.1.0 / 2013-12-25
+==================
+
+  * Call callback when called on already-errored socket
+
+1.0.1 / 2013-12-20
+==================
+
+  * Actually pass the error to the callback
+
+1.0.0 / 2013-12-20
+==================
+
+  * Initial release
diff --git a/node_modules/on-finished/LICENSE b/node_modules/on-finished/LICENSE
new file mode 100644
index 000000000..5931fd23e
--- /dev/null
+++ b/node_modules/on-finished/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2013 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2014 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/on-finished/README.md b/node_modules/on-finished/README.md
new file mode 100644
index 000000000..8973cded6
--- /dev/null
+++ b/node_modules/on-finished/README.md
@@ -0,0 +1,162 @@
+# on-finished
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-image]][node-url]
+[![Build Status][ci-image]][ci-url]
+[![Coverage Status][coveralls-image]][coveralls-url]
+
+Execute a callback when a HTTP request closes, finishes, or errors.
+
+## Install
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install on-finished
+```
+
+## API
+
+```js
+var onFinished = require('on-finished')
+```
+
+### onFinished(res, listener)
+
+Attach a listener to listen for the response to finish. The listener will
+be invoked only once when the response finished. If the response finished
+to an error, the first argument will contain the error. If the response
+has already finished, the listener will be invoked.
+
+Listening to the end of a response would be used to close things associated
+with the response, like open files.
+
+Listener is invoked as `listener(err, res)`.
+
+<!-- eslint-disable handle-callback-err -->
+
+```js
+onFinished(res, function (err, res) {
+  // clean up open fds, etc.
+  // err contains the error if request error'd
+})
+```
+
+### onFinished(req, listener)
+
+Attach a listener to listen for the request to finish. The listener will
+be invoked only once when the request finished. If the request finished
+to an error, the first argument will contain the error. If the request
+has already finished, the listener will be invoked.
+
+Listening to the end of a request would be used to know when to continue
+after reading the data.
+
+Listener is invoked as `listener(err, req)`.
+
+<!-- eslint-disable handle-callback-err -->
+
+```js
+var data = ''
+
+req.setEncoding('utf8')
+req.on('data', function (str) {
+  data += str
+})
+
+onFinished(req, function (err, req) {
+  // data is read unless there is err
+})
+```
+
+### onFinished.isFinished(res)
+
+Determine if `res` is already finished. This would be useful to check and
+not even start certain operations if the response has already finished.
+
+### onFinished.isFinished(req)
+
+Determine if `req` is already finished. This would be useful to check and
+not even start certain operations if the request has already finished.
+
+## Special Node.js requests
+
+### HTTP CONNECT method
+
+The meaning of the `CONNECT` method from RFC 7231, section 4.3.6:
+
+> The CONNECT method requests that the recipient establish a tunnel to
+> the destination origin server identified by the request-target and,
+> if successful, thereafter restrict its behavior to blind forwarding
+> of packets, in both directions, until the tunnel is closed.  Tunnels
+> are commonly used to create an end-to-end virtual connection, through
+> one or more proxies, which can then be secured using TLS (Transport
+> Layer Security, [RFC5246]).
+
+In Node.js, these request objects come from the `'connect'` event on
+the HTTP server.
+
+When this module is used on a HTTP `CONNECT` request, the request is
+considered "finished" immediately, **due to limitations in the Node.js
+interface**. This means if the `CONNECT` request contains a request entity,
+the request will be considered "finished" even before it has been read.
+
+There is no such thing as a response object to a `CONNECT` request in
+Node.js, so there is no support for one.
+
+### HTTP Upgrade request
+
+The meaning of the `Upgrade` header from RFC 7230, section 6.1:
+
+> The "Upgrade" header field is intended to provide a simple mechanism
+> for transitioning from HTTP/1.1 to some other protocol on the same
+> connection.
+
+In Node.js, these request objects come from the `'upgrade'` event on
+the HTTP server.
+
+When this module is used on a HTTP request with an `Upgrade` header, the
+request is considered "finished" immediately, **due to limitations in the
+Node.js interface**. This means if the `Upgrade` request contains a request
+entity, the request will be considered "finished" even before it has been
+read.
+
+There is no such thing as a response object to a `Upgrade` request in
+Node.js, so there is no support for one.
+
+## Example
+
+The following code ensures that file descriptors are always closed
+once the response finishes.
+
+```js
+var destroy = require('destroy')
+var fs = require('fs')
+var http = require('http')
+var onFinished = require('on-finished')
+
+http.createServer(function onRequest (req, res) {
+  var stream = fs.createReadStream('package.json')
+  stream.pipe(res)
+  onFinished(res, function () {
+    destroy(stream)
+  })
+})
+```
+
+## License
+
+[MIT](LICENSE)
+
+[ci-image]: https://badgen.net/github/checks/jshttp/on-finished/master?label=ci
+[ci-url]: https://github.com/jshttp/on-finished/actions/workflows/ci.yml
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/on-finished/master
+[coveralls-url]: https://coveralls.io/r/jshttp/on-finished?branch=master
+[node-image]: https://badgen.net/npm/node/on-finished
+[node-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/on-finished
+[npm-url]: https://npmjs.org/package/on-finished
+[npm-version-image]: https://badgen.net/npm/v/on-finished
diff --git a/node_modules/on-finished/index.js b/node_modules/on-finished/index.js
new file mode 100644
index 000000000..e68df7bde
--- /dev/null
+++ b/node_modules/on-finished/index.js
@@ -0,0 +1,234 @@
+/*!
+ * on-finished
+ * Copyright(c) 2013 Jonathan Ong
+ * Copyright(c) 2014 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = onFinished
+module.exports.isFinished = isFinished
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var asyncHooks = tryRequireAsyncHooks()
+var first = require('ee-first')
+
+/**
+ * Variables.
+ * @private
+ */
+
+/* istanbul ignore next */
+var defer = typeof setImmediate === 'function'
+  ? setImmediate
+  : function (fn) { process.nextTick(fn.bind.apply(fn, arguments)) }
+
+/**
+ * Invoke callback when the response has finished, useful for
+ * cleaning up resources afterwards.
+ *
+ * @param {object} msg
+ * @param {function} listener
+ * @return {object}
+ * @public
+ */
+
+function onFinished (msg, listener) {
+  if (isFinished(msg) !== false) {
+    defer(listener, null, msg)
+    return msg
+  }
+
+  // attach the listener to the message
+  attachListener(msg, wrap(listener))
+
+  return msg
+}
+
+/**
+ * Determine if message is already finished.
+ *
+ * @param {object} msg
+ * @return {boolean}
+ * @public
+ */
+
+function isFinished (msg) {
+  var socket = msg.socket
+
+  if (typeof msg.finished === 'boolean') {
+    // OutgoingMessage
+    return Boolean(msg.finished || (socket && !socket.writable))
+  }
+
+  if (typeof msg.complete === 'boolean') {
+    // IncomingMessage
+    return Boolean(msg.upgrade || !socket || !socket.readable || (msg.complete && !msg.readable))
+  }
+
+  // don't know
+  return undefined
+}
+
+/**
+ * Attach a finished listener to the message.
+ *
+ * @param {object} msg
+ * @param {function} callback
+ * @private
+ */
+
+function attachFinishedListener (msg, callback) {
+  var eeMsg
+  var eeSocket
+  var finished = false
+
+  function onFinish (error) {
+    eeMsg.cancel()
+    eeSocket.cancel()
+
+    finished = true
+    callback(error)
+  }
+
+  // finished on first message event
+  eeMsg = eeSocket = first([[msg, 'end', 'finish']], onFinish)
+
+  function onSocket (socket) {
+    // remove listener
+    msg.removeListener('socket', onSocket)
+
+    if (finished) return
+    if (eeMsg !== eeSocket) return
+
+    // finished on first socket event
+    eeSocket = first([[socket, 'error', 'close']], onFinish)
+  }
+
+  if (msg.socket) {
+    // socket already assigned
+    onSocket(msg.socket)
+    return
+  }
+
+  // wait for socket to be assigned
+  msg.on('socket', onSocket)
+
+  if (msg.socket === undefined) {
+    // istanbul ignore next: node.js 0.8 patch
+    patchAssignSocket(msg, onSocket)
+  }
+}
+
+/**
+ * Attach the listener to the message.
+ *
+ * @param {object} msg
+ * @return {function}
+ * @private
+ */
+
+function attachListener (msg, listener) {
+  var attached = msg.__onFinished
+
+  // create a private single listener with queue
+  if (!attached || !attached.queue) {
+    attached = msg.__onFinished = createListener(msg)
+    attachFinishedListener(msg, attached)
+  }
+
+  attached.queue.push(listener)
+}
+
+/**
+ * Create listener on message.
+ *
+ * @param {object} msg
+ * @return {function}
+ * @private
+ */
+
+function createListener (msg) {
+  function listener (err) {
+    if (msg.__onFinished === listener) msg.__onFinished = null
+    if (!listener.queue) return
+
+    var queue = listener.queue
+    listener.queue = null
+
+    for (var i = 0; i < queue.length; i++) {
+      queue[i](err, msg)
+    }
+  }
+
+  listener.queue = []
+
+  return listener
+}
+
+/**
+ * Patch ServerResponse.prototype.assignSocket for node.js 0.8.
+ *
+ * @param {ServerResponse} res
+ * @param {function} callback
+ * @private
+ */
+
+// istanbul ignore next: node.js 0.8 patch
+function patchAssignSocket (res, callback) {
+  var assignSocket = res.assignSocket
+
+  if (typeof assignSocket !== 'function') return
+
+  // res.on('socket', callback) is broken in 0.8
+  res.assignSocket = function _assignSocket (socket) {
+    assignSocket.call(this, socket)
+    callback(socket)
+  }
+}
+
+/**
+ * Try to require async_hooks
+ * @private
+ */
+
+function tryRequireAsyncHooks () {
+  try {
+    return require('async_hooks')
+  } catch (e) {
+    return {}
+  }
+}
+
+/**
+ * Wrap function with async resource, if possible.
+ * AsyncResource.bind static method backported.
+ * @private
+ */
+
+function wrap (fn) {
+  var res
+
+  // create anonymous resource
+  if (asyncHooks.AsyncResource) {
+    res = new asyncHooks.AsyncResource(fn.name || 'bound-anonymous-fn')
+  }
+
+  // incompatible node.js
+  if (!res || !res.runInAsyncScope) {
+    return fn
+  }
+
+  // return bound function
+  return res.runInAsyncScope.bind(res, fn, null)
+}
diff --git a/node_modules/on-finished/package.json b/node_modules/on-finished/package.json
new file mode 100644
index 000000000..644cd814b
--- /dev/null
+++ b/node_modules/on-finished/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "on-finished",
+  "description": "Execute a callback when a request closes, finishes, or errors",
+  "version": "2.4.1",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "license": "MIT",
+  "repository": "jshttp/on-finished",
+  "dependencies": {
+    "ee-first": "1.1.1"
+  },
+  "devDependencies": {
+    "eslint": "7.32.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.25.4",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "5.2.0",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "9.2.1",
+    "nyc": "15.1.0"
+  },
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "index.js"
+  ],
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-ci": "nyc --reporter=lcovonly --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  }
+}
diff --git a/node_modules/on-headers/HISTORY.md b/node_modules/on-headers/HISTORY.md
new file mode 100644
index 000000000..090598d8b
--- /dev/null
+++ b/node_modules/on-headers/HISTORY.md
@@ -0,0 +1,21 @@
+1.0.2 / 2019-02-21
+==================
+
+  * Fix `res.writeHead` patch missing return value
+
+1.0.1 / 2015-09-29
+==================
+
+  * perf: enable strict mode
+
+1.0.0 / 2014-08-10
+==================
+
+  * Honor `res.statusCode` change in `listener`
+  * Move to `jshttp` organization
+  * Prevent `arguments`-related de-opt
+
+0.0.0 / 2014-05-13
+==================
+
+  * Initial implementation
diff --git a/node_modules/on-headers/LICENSE b/node_modules/on-headers/LICENSE
new file mode 100644
index 000000000..b7dce6cf9
--- /dev/null
+++ b/node_modules/on-headers/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2014 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/on-headers/README.md b/node_modules/on-headers/README.md
new file mode 100644
index 000000000..ae8428246
--- /dev/null
+++ b/node_modules/on-headers/README.md
@@ -0,0 +1,81 @@
+# on-headers
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Execute a listener when a response is about to write headers.
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install on-headers
+```
+
+## API
+
+<!-- eslint-disable no-unused-vars -->
+
+```js
+var onHeaders = require('on-headers')
+```
+
+### onHeaders(res, listener)
+
+This will add the listener `listener` to fire when headers are emitted for `res`.
+The listener is passed the `response` object as it's context (`this`). Headers are
+considered to be emitted only once, right before they are sent to the client.
+
+When this is called multiple times on the same `res`, the `listener`s are fired
+in the reverse order they were added.
+
+## Examples
+
+```js
+var http = require('http')
+var onHeaders = require('on-headers')
+
+http
+  .createServer(onRequest)
+  .listen(3000)
+
+function addPoweredBy () {
+  // set if not set by end of request
+  if (!this.getHeader('X-Powered-By')) {
+    this.setHeader('X-Powered-By', 'Node.js')
+  }
+}
+
+function onRequest (req, res) {
+  onHeaders(res, addPoweredBy)
+
+  res.setHeader('Content-Type', 'text/plain')
+  res.end('hello!')
+}
+```
+
+## Testing
+
+```sh
+$ npm test
+```
+
+## License
+
+[MIT](LICENSE)
+
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/on-headers/master
+[coveralls-url]: https://coveralls.io/r/jshttp/on-headers?branch=master
+[node-version-image]: https://badgen.net/npm/node/on-headers
+[node-version-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/on-headers
+[npm-url]: https://npmjs.org/package/on-headers
+[npm-version-image]: https://badgen.net/npm/v/on-headers
+[travis-image]: https://badgen.net/travis/jshttp/on-headers/master
+[travis-url]: https://travis-ci.org/jshttp/on-headers
diff --git a/node_modules/on-headers/index.js b/node_modules/on-headers/index.js
new file mode 100644
index 000000000..7db6375ed
--- /dev/null
+++ b/node_modules/on-headers/index.js
@@ -0,0 +1,132 @@
+/*!
+ * on-headers
+ * Copyright(c) 2014 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = onHeaders
+
+/**
+ * Create a replacement writeHead method.
+ *
+ * @param {function} prevWriteHead
+ * @param {function} listener
+ * @private
+ */
+
+function createWriteHead (prevWriteHead, listener) {
+  var fired = false
+
+  // return function with core name and argument list
+  return function writeHead (statusCode) {
+    // set headers from arguments
+    var args = setWriteHeadHeaders.apply(this, arguments)
+
+    // fire listener
+    if (!fired) {
+      fired = true
+      listener.call(this)
+
+      // pass-along an updated status code
+      if (typeof args[0] === 'number' && this.statusCode !== args[0]) {
+        args[0] = this.statusCode
+        args.length = 1
+      }
+    }
+
+    return prevWriteHead.apply(this, args)
+  }
+}
+
+/**
+ * Execute a listener when a response is about to write headers.
+ *
+ * @param {object} res
+ * @return {function} listener
+ * @public
+ */
+
+function onHeaders (res, listener) {
+  if (!res) {
+    throw new TypeError('argument res is required')
+  }
+
+  if (typeof listener !== 'function') {
+    throw new TypeError('argument listener must be a function')
+  }
+
+  res.writeHead = createWriteHead(res.writeHead, listener)
+}
+
+/**
+ * Set headers contained in array on the response object.
+ *
+ * @param {object} res
+ * @param {array} headers
+ * @private
+ */
+
+function setHeadersFromArray (res, headers) {
+  for (var i = 0; i < headers.length; i++) {
+    res.setHeader(headers[i][0], headers[i][1])
+  }
+}
+
+/**
+ * Set headers contained in object on the response object.
+ *
+ * @param {object} res
+ * @param {object} headers
+ * @private
+ */
+
+function setHeadersFromObject (res, headers) {
+  var keys = Object.keys(headers)
+  for (var i = 0; i < keys.length; i++) {
+    var k = keys[i]
+    if (k) res.setHeader(k, headers[k])
+  }
+}
+
+/**
+ * Set headers and other properties on the response object.
+ *
+ * @param {number} statusCode
+ * @private
+ */
+
+function setWriteHeadHeaders (statusCode) {
+  var length = arguments.length
+  var headerIndex = length > 1 && typeof arguments[1] === 'string'
+    ? 2
+    : 1
+
+  var headers = length >= headerIndex + 1
+    ? arguments[headerIndex]
+    : undefined
+
+  this.statusCode = statusCode
+
+  if (Array.isArray(headers)) {
+    // handle array case
+    setHeadersFromArray(this, headers)
+  } else if (headers) {
+    // handle object case
+    setHeadersFromObject(this, headers)
+  }
+
+  // copy leading arguments
+  var args = new Array(Math.min(length, headerIndex))
+  for (var i = 0; i < args.length; i++) {
+    args[i] = arguments[i]
+  }
+
+  return args
+}
diff --git a/node_modules/on-headers/package.json b/node_modules/on-headers/package.json
new file mode 100644
index 000000000..1e9bf9e25
--- /dev/null
+++ b/node_modules/on-headers/package.json
@@ -0,0 +1,42 @@
+{
+  "name": "on-headers",
+  "description": "Execute a listener when a response is about to write headers",
+  "version": "1.0.2",
+  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
+  "license": "MIT",
+  "keywords": [
+    "event",
+    "headers",
+    "http",
+    "onheaders"
+  ],
+  "repository": "jshttp/on-headers",
+  "devDependencies": {
+    "eslint": "5.14.1",
+    "eslint-config-standard": "12.0.0",
+    "eslint-plugin-import": "2.16.0",
+    "eslint-plugin-markdown": "1.0.0",
+    "eslint-plugin-node": "8.0.1",
+    "eslint-plugin-promise": "4.0.1",
+    "eslint-plugin-standard": "4.0.0",
+    "istanbul": "0.4.5",
+    "mocha": "6.0.1",
+    "supertest": "3.4.2"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/",
+    "version": "node scripts/version-history.js && git add HISTORY.md"
+  }
+}
diff --git a/node_modules/parseurl/HISTORY.md b/node_modules/parseurl/HISTORY.md
new file mode 100644
index 000000000..8e409541d
--- /dev/null
+++ b/node_modules/parseurl/HISTORY.md
@@ -0,0 +1,58 @@
+1.3.3 / 2019-04-15
+==================
+
+  * Fix Node.js 0.8 return value inconsistencies
+
+1.3.2 / 2017-09-09
+==================
+
+  * perf: reduce overhead for full URLs
+  * perf: unroll the "fast-path" `RegExp`
+
+1.3.1 / 2016-01-17
+==================
+
+  * perf: enable strict mode
+
+1.3.0 / 2014-08-09
+==================
+
+  * Add `parseurl.original` for parsing `req.originalUrl` with fallback
+  * Return `undefined` if `req.url` is `undefined`
+
+1.2.0 / 2014-07-21
+==================
+
+  * Cache URLs based on original value
+  * Remove no-longer-needed URL mis-parse work-around
+  * Simplify the "fast-path" `RegExp`
+
+1.1.3 / 2014-07-08
+==================
+
+  * Fix typo
+
+1.1.2 / 2014-07-08
+==================
+
+  * Seriously fix Node.js 0.8 compatibility
+
+1.1.1 / 2014-07-08
+==================
+
+  * Fix Node.js 0.8 compatibility
+
+1.1.0 / 2014-07-08
+==================
+
+  * Incorporate URL href-only parse fast-path
+
+1.0.1 / 2014-03-08
+==================
+
+  * Add missing `require`
+
+1.0.0 / 2014-03-08
+==================
+
+  * Genesis from `connect`
diff --git a/node_modules/parseurl/LICENSE b/node_modules/parseurl/LICENSE
new file mode 100644
index 000000000..27653d3db
--- /dev/null
+++ b/node_modules/parseurl/LICENSE
@@ -0,0 +1,24 @@
+
+(The MIT License)
+
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2014-2017 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/parseurl/README.md b/node_modules/parseurl/README.md
new file mode 100644
index 000000000..443e716b8
--- /dev/null
+++ b/node_modules/parseurl/README.md
@@ -0,0 +1,133 @@
+# parseurl
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-image]][node-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Parse a URL with memoization.
+
+## Install
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install parseurl
+```
+
+## API
+
+```js
+var parseurl = require('parseurl')
+```
+
+### parseurl(req)
+
+Parse the URL of the given request object (looks at the `req.url` property)
+and return the result. The result is the same as `url.parse` in Node.js core.
+Calling this function multiple times on the same `req` where `req.url` does
+not change will return a cached parsed object, rather than parsing again.
+
+### parseurl.original(req)
+
+Parse the original URL of the given request object and return the result.
+This works by trying to parse `req.originalUrl` if it is a string, otherwise
+parses `req.url`. The result is the same as `url.parse` in Node.js core.
+Calling this function multiple times on the same `req` where `req.originalUrl`
+does not change will return a cached parsed object, rather than parsing again.
+
+## Benchmark
+
+```bash
+$ npm run-script bench
+
+> parseurl@1.3.3 bench nodejs-parseurl
+> node benchmark/index.js
+
+  http_parser@2.8.0
+  node@10.6.0
+  v8@6.7.288.46-node.13
+  uv@1.21.0
+  zlib@1.2.11
+  ares@1.14.0
+  modules@64
+  nghttp2@1.32.0
+  napi@3
+  openssl@1.1.0h
+  icu@61.1
+  unicode@10.0
+  cldr@33.0
+  tz@2018c
+
+> node benchmark/fullurl.js
+
+  Parsing URL "http://localhost:8888/foo/bar?user=tj&pet=fluffy"
+
+  4 tests completed.
+
+  fasturl            x 2,207,842 ops/sec ±3.76% (184 runs sampled)
+  nativeurl - legacy x   507,180 ops/sec ±0.82% (191 runs sampled)
+  nativeurl - whatwg x   290,044 ops/sec ±1.96% (189 runs sampled)
+  parseurl           x   488,907 ops/sec ±2.13% (192 runs sampled)
+
+> node benchmark/pathquery.js
+
+  Parsing URL "/foo/bar?user=tj&pet=fluffy"
+
+  4 tests completed.
+
+  fasturl            x 3,812,564 ops/sec ±3.15% (188 runs sampled)
+  nativeurl - legacy x 2,651,631 ops/sec ±1.68% (189 runs sampled)
+  nativeurl - whatwg x   161,837 ops/sec ±2.26% (189 runs sampled)
+  parseurl           x 4,166,338 ops/sec ±2.23% (184 runs sampled)
+
+> node benchmark/samerequest.js
+
+  Parsing URL "/foo/bar?user=tj&pet=fluffy" on same request object
+
+  4 tests completed.
+
+  fasturl            x  3,821,651 ops/sec ±2.42% (185 runs sampled)
+  nativeurl - legacy x  2,651,162 ops/sec ±1.90% (187 runs sampled)
+  nativeurl - whatwg x    175,166 ops/sec ±1.44% (188 runs sampled)
+  parseurl           x 14,912,606 ops/sec ±3.59% (183 runs sampled)
+
+> node benchmark/simplepath.js
+
+  Parsing URL "/foo/bar"
+
+  4 tests completed.
+
+  fasturl            x 12,421,765 ops/sec ±2.04% (191 runs sampled)
+  nativeurl - legacy x  7,546,036 ops/sec ±1.41% (188 runs sampled)
+  nativeurl - whatwg x    198,843 ops/sec ±1.83% (189 runs sampled)
+  parseurl           x 24,244,006 ops/sec ±0.51% (194 runs sampled)
+
+> node benchmark/slash.js
+
+  Parsing URL "/"
+
+  4 tests completed.
+
+  fasturl            x 17,159,456 ops/sec ±3.25% (188 runs sampled)
+  nativeurl - legacy x 11,635,097 ops/sec ±3.79% (184 runs sampled)
+  nativeurl - whatwg x    240,693 ops/sec ±0.83% (189 runs sampled)
+  parseurl           x 42,279,067 ops/sec ±0.55% (190 runs sampled)
+```
+
+## License
+
+  [MIT](LICENSE)
+
+[coveralls-image]: https://badgen.net/coveralls/c/github/pillarjs/parseurl/master
+[coveralls-url]: https://coveralls.io/r/pillarjs/parseurl?branch=master
+[node-image]: https://badgen.net/npm/node/parseurl
+[node-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/parseurl
+[npm-url]: https://npmjs.org/package/parseurl
+[npm-version-image]: https://badgen.net/npm/v/parseurl
+[travis-image]: https://badgen.net/travis/pillarjs/parseurl/master
+[travis-url]: https://travis-ci.org/pillarjs/parseurl
diff --git a/node_modules/parseurl/index.js b/node_modules/parseurl/index.js
new file mode 100644
index 000000000..ece722327
--- /dev/null
+++ b/node_modules/parseurl/index.js
@@ -0,0 +1,158 @@
+/*!
+ * parseurl
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2014-2017 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var url = require('url')
+var parse = url.parse
+var Url = url.Url
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = parseurl
+module.exports.original = originalurl
+
+/**
+ * Parse the `req` url with memoization.
+ *
+ * @param {ServerRequest} req
+ * @return {Object}
+ * @public
+ */
+
+function parseurl (req) {
+  var url = req.url
+
+  if (url === undefined) {
+    // URL is undefined
+    return undefined
+  }
+
+  var parsed = req._parsedUrl
+
+  if (fresh(url, parsed)) {
+    // Return cached URL parse
+    return parsed
+  }
+
+  // Parse the URL
+  parsed = fastparse(url)
+  parsed._raw = url
+
+  return (req._parsedUrl = parsed)
+};
+
+/**
+ * Parse the `req` original url with fallback and memoization.
+ *
+ * @param {ServerRequest} req
+ * @return {Object}
+ * @public
+ */
+
+function originalurl (req) {
+  var url = req.originalUrl
+
+  if (typeof url !== 'string') {
+    // Fallback
+    return parseurl(req)
+  }
+
+  var parsed = req._parsedOriginalUrl
+
+  if (fresh(url, parsed)) {
+    // Return cached URL parse
+    return parsed
+  }
+
+  // Parse the URL
+  parsed = fastparse(url)
+  parsed._raw = url
+
+  return (req._parsedOriginalUrl = parsed)
+};
+
+/**
+ * Parse the `str` url with fast-path short-cut.
+ *
+ * @param {string} str
+ * @return {Object}
+ * @private
+ */
+
+function fastparse (str) {
+  if (typeof str !== 'string' || str.charCodeAt(0) !== 0x2f /* / */) {
+    return parse(str)
+  }
+
+  var pathname = str
+  var query = null
+  var search = null
+
+  // This takes the regexp from https://github.com/joyent/node/pull/7878
+  // Which is /^(\/[^?#\s]*)(\?[^#\s]*)?$/
+  // And unrolls it into a for loop
+  for (var i = 1; i < str.length; i++) {
+    switch (str.charCodeAt(i)) {
+      case 0x3f: /* ?  */
+        if (search === null) {
+          pathname = str.substring(0, i)
+          query = str.substring(i + 1)
+          search = str.substring(i)
+        }
+        break
+      case 0x09: /* \t */
+      case 0x0a: /* \n */
+      case 0x0c: /* \f */
+      case 0x0d: /* \r */
+      case 0x20: /*    */
+      case 0x23: /* #  */
+      case 0xa0:
+      case 0xfeff:
+        return parse(str)
+    }
+  }
+
+  var url = Url !== undefined
+    ? new Url()
+    : {}
+
+  url.path = str
+  url.href = str
+  url.pathname = pathname
+
+  if (search !== null) {
+    url.query = query
+    url.search = search
+  }
+
+  return url
+}
+
+/**
+ * Determine if parsed is still fresh for url.
+ *
+ * @param {string} url
+ * @param {object} parsedUrl
+ * @return {boolean}
+ * @private
+ */
+
+function fresh (url, parsedUrl) {
+  return typeof parsedUrl === 'object' &&
+    parsedUrl !== null &&
+    (Url === undefined || parsedUrl instanceof Url) &&
+    parsedUrl._raw === url
+}
diff --git a/node_modules/parseurl/package.json b/node_modules/parseurl/package.json
new file mode 100644
index 000000000..6b443ca7a
--- /dev/null
+++ b/node_modules/parseurl/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "parseurl",
+  "description": "parse a url with memoization",
+  "version": "1.3.3",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "repository": "pillarjs/parseurl",
+  "license": "MIT",
+  "devDependencies": {
+    "beautify-benchmark": "0.2.4",
+    "benchmark": "2.1.4",
+    "eslint": "5.16.0",
+    "eslint-config-standard": "12.0.0",
+    "eslint-plugin-import": "2.17.1",
+    "eslint-plugin-node": "7.0.1",
+    "eslint-plugin-promise": "4.1.1",
+    "eslint-plugin-standard": "4.0.0",
+    "fast-url-parser": "1.1.3",
+    "istanbul": "0.4.5",
+    "mocha": "6.1.3"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "bench": "node benchmark/index.js",
+    "lint": "eslint .",
+    "test": "mocha --check-leaks --bail --reporter spec test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --check-leaks --reporter dot test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --check-leaks --reporter spec test/"
+  }
+}
diff --git a/node_modules/passport-github2/LICENSE b/node_modules/passport-github2/LICENSE
new file mode 100644
index 000000000..d8ebfcf1c
--- /dev/null
+++ b/node_modules/passport-github2/LICENSE
@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2011-2014 Jared Hanson
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/passport-github2/README.md b/node_modules/passport-github2/README.md
new file mode 100644
index 000000000..33cf45512
--- /dev/null
+++ b/node_modules/passport-github2/README.md
@@ -0,0 +1,86 @@
+# Passport-GitHub2
+
+The author of Passport-Github has not maintained the original module for a long time. Features in his module don't work since Github upgraded their API to version 3.0.  We forked it and re-published it to NPM with a new name `passport-github2`.
+
+[Passport](http://passportjs.org/) strategy for authenticating with [GitHub](https://github.com/)
+using the OAuth 2.0 API.
+
+This module lets you authenticate using GitHub in your Node.js applications.
+By plugging into Passport, GitHub authentication can be easily and
+unobtrusively integrated into any application or framework that supports
+[Connect](http://www.senchalabs.org/connect/)-style middleware, including
+[Express](http://expressjs.com/).
+
+## Installation
+
+```shell
+$ npm install passport-github2
+```
+
+## Usage
+
+#### Configure Strategy
+
+The GitHub authentication strategy authenticates users using a GitHub account
+and OAuth 2.0 tokens.  The strategy requires a `verify` callback, which accepts
+these credentials and calls `done` providing a user, as well as `options`
+specifying a client ID, client secret, and callback URL.
+
+```javascript
+passport.use(new GitHubStrategy({
+    clientID: GITHUB_CLIENT_ID,
+    clientSecret: GITHUB_CLIENT_SECRET,
+    callbackURL: "http://127.0.0.1:3000/auth/github/callback"
+  },
+  function(accessToken, refreshToken, profile, done) {
+    User.findOrCreate({ githubId: profile.id }, function (err, user) {
+      return done(err, user);
+    });
+  }
+));
+```
+
+#### Authenticate Requests
+
+Use `passport.authenticate()`, specifying the `'github'` strategy, to
+authenticate requests.
+
+For example, as route middleware in an [Express](http://expressjs.com/)
+application:
+
+```javascript
+app.get('/auth/github',
+  passport.authenticate('github', { scope: [ 'user:email' ] }));
+
+app.get('/auth/github/callback', 
+  passport.authenticate('github', { failureRedirect: '/login' }),
+  function(req, res) {
+    // Successful authentication, redirect home.
+    res.redirect('/');
+  });
+```
+
+## Examples
+
+For a complete, working example, refer to the [login example](https://github.com/cfsghost/passport-github/tree/master/examples/login).
+
+## Tests
+
+```shell
+$ npm install --dev
+$ make test
+```
+
+[![Build Status](https://secure.travis-ci.org/cfsghost/passport-github.png)](http://travis-ci.org/cfsghost/passport-github)
+
+## Credits
+
+  - [Jared Hanson](http://github.com/jaredhanson)
+  - [Fred Chien](http://github.com/cfsghost)
+
+## License
+
+[The MIT License](http://opensource.org/licenses/MIT)
+
+Copyright (c) 2011-2013 Jared Hanson <[http://jaredhanson.net/](http://jaredhanson.net/)>
+
diff --git a/node_modules/passport-github2/lib/index.js b/node_modules/passport-github2/lib/index.js
new file mode 100644
index 000000000..a6fdfa74e
--- /dev/null
+++ b/node_modules/passport-github2/lib/index.js
@@ -0,0 +1,15 @@
+/**
+ * Module dependencies.
+ */
+var Strategy = require('./strategy');
+
+
+/**
+ * Expose `Strategy` directly from package.
+ */
+exports = module.exports = Strategy;
+
+/**
+ * Export constructors.
+ */
+exports.Strategy = Strategy;
diff --git a/node_modules/passport-github2/lib/profile.js b/node_modules/passport-github2/lib/profile.js
new file mode 100644
index 000000000..f4b053af8
--- /dev/null
+++ b/node_modules/passport-github2/lib/profile.js
@@ -0,0 +1,26 @@
+/**
+ * Parse profile.
+ *
+ * @param {Object|String} json
+ * @return {Object}
+ * @api private
+ */
+exports.parse = function(json) {
+  if ('string' == typeof json) {
+    json = JSON.parse(json);
+  }
+  
+  var profile = {};
+  profile.id = String(json.id);
+  profile.nodeId = json.node_id;
+  profile.displayName = json.name;
+  profile.username = json.login;
+  profile.profileUrl = json.html_url;
+  if (json.email) {
+    profile.emails = [{ value: json.email }];
+  }
+  if (json.avatar_url) {
+    profile.photos = [{ value: json.avatar_url }];
+  }
+  return profile;
+};
diff --git a/node_modules/passport-github2/lib/strategy.js b/node_modules/passport-github2/lib/strategy.js
new file mode 100644
index 000000000..c1c81c1f6
--- /dev/null
+++ b/node_modules/passport-github2/lib/strategy.js
@@ -0,0 +1,161 @@
+/**
+ * Module dependencies.
+ */
+var util = require('util')
+  , OAuth2Strategy = require('passport-oauth2')
+  , Profile = require('./profile')
+  , InternalOAuthError = require('passport-oauth2').InternalOAuthError;
+
+/**
+ * `Strategy` constructor.
+ *
+ * The GitHub authentication strategy authenticates requests by delegating to
+ * GitHub using the OAuth 2.0 protocol.
+ *
+ * Applications must supply a `verify` callback which accepts an `accessToken`,
+ * `refreshToken` and service-specific `profile`, and then calls the `done`
+ * callback supplying a `user`, which should be set to `false` if the
+ * credentials are not valid.  If an exception occured, `err` should be set.
+ *
+ * Options:
+ *   - `clientID`     your GitHub application's Client ID
+ *   - `clientSecret` your GitHub application's Client Secret
+ *   - `callbackURL`  URL to which GitHub will redirect the user after granting authorization
+ *   - `scope`        array of permission scopes to request. Valid scopes include:
+ *                    'user', 'public_repo', 'repo', 'gist', or none.
+ *                    (see http://developer.github.com/v3/oauth/#scopes for more info)
+ *   — `userAgent`    All API requests MUST include a valid User Agent string.
+ *                    e.g: domain name of your application.
+ *                    (see http://developer.github.com/v3/#user-agent-required for more info)
+ *   — `allRawEmails` boolean to indicate whether to return all raw email addresses or just the primary
+ *
+ * Examples:
+ *
+ *     passport.use(new GitHubStrategy({
+ *         clientID: '123-456-789',
+ *         clientSecret: 'shhh-its-a-secret',
+ *         callbackURL: 'https://www.example.net/auth/github/callback',
+ *         userAgent: 'myapp.com'
+ *       },
+ *       function(accessToken, refreshToken, profile, done) {
+ *         User.findOrCreate(..., function (err, user) {
+ *           done(err, user);
+ *         });
+ *       }
+ *     ));
+ *
+ * @param {Object} options
+ * @param {Function} verify
+ * @api public
+ */
+function Strategy(options, verify) {
+  options = options || {};
+  options.authorizationURL = options.authorizationURL || 'https://github.com/login/oauth/authorize';
+  options.tokenURL = options.tokenURL || 'https://github.com/login/oauth/access_token';
+  options.scopeSeparator = options.scopeSeparator || ',';
+  options.customHeaders = options.customHeaders || {};
+
+  if (!options.customHeaders['User-Agent']) {
+    options.customHeaders['User-Agent'] = options.userAgent || 'passport-github';
+  }
+
+  OAuth2Strategy.call(this, options, verify);
+  this.name = options.name || 'github';
+  this._userProfileURL = options.userProfileURL || 'https://api.github.com/user';
+  this._userEmailURL = options.userEmailURL || 'https://api.github.com/user/emails';
+  this._oauth2.useAuthorizationHeaderforGET(true);
+  this._allRawEmails = options.allRawEmails || false;
+}
+
+/**
+ * Inherit from `OAuth2Strategy`.
+ */
+util.inherits(Strategy, OAuth2Strategy);
+
+/**
+ * Retrieve user profile from GitHub.
+ *
+ * This function constructs a normalized profile, with the following properties:
+ *
+ *   - `provider`         always set to `github`
+ *   - `id`               the user's GitHub ID
+ *   - `username`         the user's GitHub username
+ *   - `displayName`      the user's full name
+ *   - `profileUrl`       the URL of the profile for the user on GitHub
+ *   - `emails`           the user's email addresses
+ *
+ * @param {String} accessToken
+ * @param {Function} done
+ * @api protected
+ */
+Strategy.prototype.userProfile = function(accessToken, done) {
+  var self = this;
+
+  this._oauth2.get(this._userProfileURL, accessToken, function (err, body, res) {
+    var json;
+
+    if (err) {
+      return done(new InternalOAuthError('Failed to fetch user profile', err));
+    }
+
+    try {
+      json = JSON.parse(body);
+    } catch (ex) {
+      return done(new Error('Failed to parse user profile'));
+    }
+
+    var profile = Profile.parse(json);
+    profile.provider  = 'github';
+    profile._raw = body;
+    profile._json = json;
+
+    var canAccessEmail = false;
+    var scopes = self._scope;
+    if (typeof scopes === 'string') {
+      scopes = scopes.split(self._scopeSeparator);
+    }
+    if (Array.isArray(scopes)) {
+      canAccessEmail = scopes.some(function(scope) {
+        return scope === 'user' || scope === 'user:email';
+      });
+    }
+    if (!canAccessEmail) {
+      return done(null, profile);
+    }
+
+    // Getting emails
+    self._oauth2.get(self._userEmailURL, accessToken, function (err, body, res) {
+      if (err) {
+        return done(new InternalOAuthError('Failed to fetch user emails', err));
+      }
+
+      var json = JSON.parse(body);
+
+      if (!json || !json.length) {
+        return done(new Error('Failed to fetch user emails'));
+      }
+
+      if (self._allRawEmails) {
+        profile.emails = json.map(function (email) {
+          email.value = email.email;
+          delete email.email;
+          return email;
+        });
+      } else {
+        for (var index in json) {
+          if (json[index].primary) {
+            profile.emails = [{ value: json[index].email }];
+            break;
+          }
+        }
+      }
+
+      done(null, profile);
+    });
+  });
+};
+
+/**
+ * Expose `Strategy`.
+ */
+module.exports = Strategy;
diff --git a/node_modules/passport-github2/package.json b/node_modules/passport-github2/package.json
new file mode 100644
index 000000000..3c5f94c8b
--- /dev/null
+++ b/node_modules/passport-github2/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "passport-github2",
+  "version": "0.1.12",
+  "description": "GitHub authentication strategy for Passport.",
+  "keywords": [
+    "passport",
+    "github",
+    "auth",
+    "authn",
+    "authentication",
+    "identity"
+  ],
+  "author": {
+    "name": "Jared Hanson",
+    "email": "jaredhanson@gmail.com",
+    "url": "http://www.jaredhanson.net/"
+  },
+  "contributors": [
+    {
+      "name": "Fred Chien",
+      "email": "cfsghost@gmail.com"
+    }
+  ],
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/cfsghost/passport-github.git"
+  },
+  "bugs": {
+    "url": "http://github.com/cfsghost/passport-github/issues"
+  },
+  "licenses": [
+    {
+      "type": "MIT",
+      "url": "http://www.opensource.org/licenses/MIT"
+    }
+  ],
+  "main": "./lib",
+  "dependencies": {
+    "passport-oauth2": "1.x.x"
+  },
+  "devDependencies": {
+    "mocha": "1.x.x",
+    "chai": "1.x.x"
+  },
+  "engines": {
+    "node": ">= 0.8.0"
+  },
+  "scripts": {
+    "test": "node_modules/.bin/mocha --reporter spec --require test/bootstrap/node test/*.test.js"
+  }
+}
diff --git a/node_modules/passport-oauth2/.github/FUNDING.yml b/node_modules/passport-oauth2/.github/FUNDING.yml
new file mode 100644
index 000000000..05642c5b5
--- /dev/null
+++ b/node_modules/passport-oauth2/.github/FUNDING.yml
@@ -0,0 +1,3 @@
+github: jaredhanson
+patreon: jaredhanson
+ko_fi: jaredhanson
diff --git a/node_modules/passport-oauth2/CHANGELOG.md b/node_modules/passport-oauth2/CHANGELOG.md
new file mode 100644
index 000000000..90ab29fdd
--- /dev/null
+++ b/node_modules/passport-oauth2/CHANGELOG.md
@@ -0,0 +1,19 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [1.6.1] - 2021-09-24
+### Fixed
+- Error in cases where the authorization server returns a successful access
+token response which is missing an `access_token` parameter.
+
+## [1.6.0] - 2021-07-01
+### Added
+
+- Support for `store: true` option to `Strategy` constructor, which initializes
+a state store capable of storing application-level state.
+- Support for `state` object passed as option to `authenticate`, which will be
+persisted in the session by state store.
+- `callbackURL` property added to metadata passed to state store.
diff --git a/node_modules/passport-oauth2/LICENSE b/node_modules/passport-oauth2/LICENSE
new file mode 100644
index 000000000..0554e9e94
--- /dev/null
+++ b/node_modules/passport-oauth2/LICENSE
@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2011-2016 Jared Hanson
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/passport-oauth2/README.md b/node_modules/passport-oauth2/README.md
new file mode 100644
index 000000000..9812fba23
--- /dev/null
+++ b/node_modules/passport-oauth2/README.md
@@ -0,0 +1,122 @@
+# passport-oauth2
+
+General-purpose OAuth 2.0 authentication strategy for [Passport](http://passportjs.org/).
+
+This module lets you authenticate using OAuth 2.0 in your Node.js applications.
+By plugging into Passport, OAuth 2.0 authentication can be easily and
+unobtrusively integrated into any application or framework that supports
+[Connect](http://www.senchalabs.org/connect/)-style middleware, including
+[Express](http://expressjs.com/).
+
+Note that this strategy provides generic OAuth 2.0 support.  In many cases, a
+provider-specific strategy can be used instead, which cuts down on unnecessary
+configuration, and accommodates any provider-specific quirks.  See the
+[list](https://github.com/jaredhanson/passport/wiki/Strategies) for supported
+providers.
+
+Developers who need to implement authentication against an OAuth 2.0 provider
+that is not already supported are encouraged to sub-class this strategy.  If you
+choose to open source the new provider-specific strategy, please add it to the
+list so other people can find it.
+
+---
+
+<p align="center">
+  <sup>Advertisement</sup>
+  <br>
+  <a href="https://click.linksynergy.com/link?id=D*o7yui4/NM&offerid=507388.380582&type=2&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Flearn-oauth-2%2F&u1=5I2riUEiNIRjPjdjxj6X4exzu3lhRkWY0et6Y8eyT3">Learn OAuth 2.0 - Get started as an API Security Expert</a><br>Just imagine what could happen to YOUR professional career if you had skills in OAuth > 8500 satisfied students
+</p>
+
+---
+
+[![npm](https://img.shields.io/npm/v/passport-oauth2.svg)](https://www.npmjs.com/package/passport-oauth2)
+[![build](https://img.shields.io/travis/jaredhanson/passport-oauth2.svg)](https://travis-ci.org/jaredhanson/passport-oauth2)
+[![coverage](https://img.shields.io/coveralls/jaredhanson/passport-oauth2.svg)](https://coveralls.io/github/jaredhanson/passport-oauth2)
+[...](https://github.com/jaredhanson/passport-oauth2/wiki/Status)
+
+## Install
+
+    $ npm install passport-oauth2
+
+## Usage
+
+#### Configure Strategy
+
+The OAuth 2.0 authentication strategy authenticates users using a third-party
+account and OAuth 2.0 tokens.  The provider's OAuth 2.0 endpoints, as well as
+the client identifer and secret, are specified as options.  The strategy
+requires a `verify` callback, which receives an access token and profile,
+and calls `cb` providing a user.
+
+```js
+passport.use(new OAuth2Strategy({
+    authorizationURL: 'https://www.example.com/oauth2/authorize',
+    tokenURL: 'https://www.example.com/oauth2/token',
+    clientID: EXAMPLE_CLIENT_ID,
+    clientSecret: EXAMPLE_CLIENT_SECRET,
+    callbackURL: "http://localhost:3000/auth/example/callback"
+  },
+  function(accessToken, refreshToken, profile, cb) {
+    User.findOrCreate({ exampleId: profile.id }, function (err, user) {
+      return cb(err, user);
+    });
+  }
+));
+```
+
+#### Authenticate Requests
+
+Use `passport.authenticate()`, specifying the `'oauth2'` strategy, to
+authenticate requests.
+
+For example, as route middleware in an [Express](http://expressjs.com/)
+application:
+
+```js
+app.get('/auth/example',
+  passport.authenticate('oauth2'));
+
+app.get('/auth/example/callback',
+  passport.authenticate('oauth2', { failureRedirect: '/login' }),
+  function(req, res) {
+    // Successful authentication, redirect home.
+    res.redirect('/');
+  });
+```
+
+## Related Modules
+
+- [passport-oauth1](https://github.com/jaredhanson/passport-oauth1) — OAuth 1.0 authentication strategy
+- [passport-http-bearer](https://github.com/jaredhanson/passport-http-bearer) — Bearer token authentication strategy for APIs
+- [OAuth2orize](https://github.com/jaredhanson/oauth2orize) — OAuth 2.0 authorization server toolkit
+
+## Contributing
+
+#### Tests
+
+The test suite is located in the `test/` directory.  All new features are
+expected to have corresponding test cases.  Ensure that the complete test suite
+passes by executing:
+
+```bash
+$ make test
+```
+
+#### Coverage
+
+All new feature development is expected to have test coverage.  Patches that
+increse test coverage are happily accepted.  Coverage reports can be viewed by
+executing:
+
+```bash
+$ make test-cov
+$ make view-cov
+```
+
+## License
+
+[The MIT License](http://opensource.org/licenses/MIT)
+
+Copyright (c) 2011-2016 Jared Hanson <[http://jaredhanson.net/](http://jaredhanson.net/)>
+
+
diff --git a/node_modules/passport-oauth2/lib/errors/authorizationerror.js b/node_modules/passport-oauth2/lib/errors/authorizationerror.js
new file mode 100644
index 000000000..041961d91
--- /dev/null
+++ b/node_modules/passport-oauth2/lib/errors/authorizationerror.js
@@ -0,0 +1,44 @@
+/**
+ * `AuthorizationError` error.
+ *
+ * AuthorizationError represents an error in response to an authorization
+ * request.  For details, refer to RFC 6749, section 4.1.2.1.
+ *
+ * References:
+ *   - [The OAuth 2.0 Authorization Framework](http://tools.ietf.org/html/rfc6749)
+ *
+ * @constructor
+ * @param {String} [message]
+ * @param {String} [code]
+ * @param {String} [uri]
+ * @param {Number} [status]
+ * @api public
+ */
+function AuthorizationError(message, code, uri, status) {
+  if (!status) {
+    switch (code) {
+      case 'access_denied': status = 403; break;
+      case 'server_error': status = 502; break;
+      case 'temporarily_unavailable': status = 503; break;
+    }
+  }
+
+  Error.call(this);
+  Error.captureStackTrace(this, this.constructor);
+  this.name = this.constructor.name;
+  this.message = message;
+  this.code = code || 'server_error';
+  this.uri = uri;
+  this.status = status || 500;
+}
+
+/**
+ * Inherit from `Error`.
+ */
+AuthorizationError.prototype.__proto__ = Error.prototype;
+
+
+/**
+ * Expose `AuthorizationError`.
+ */
+module.exports = AuthorizationError;
diff --git a/node_modules/passport-oauth2/lib/errors/internaloautherror.js b/node_modules/passport-oauth2/lib/errors/internaloautherror.js
new file mode 100644
index 000000000..5dd682845
--- /dev/null
+++ b/node_modules/passport-oauth2/lib/errors/internaloautherror.js
@@ -0,0 +1,49 @@
+/**
+ * `InternalOAuthError` error.
+ *
+ * InternalOAuthError wraps errors generated by node-oauth.  By wrapping these
+ * objects, error messages can be formatted in a manner that aids in debugging
+ * OAuth issues.
+ *
+ * @constructor
+ * @param {String} [message]
+ * @param {Object|Error} [err]
+ * @api public
+ */
+function InternalOAuthError(message, err) {
+  Error.call(this);
+  Error.captureStackTrace(this, this.constructor);
+  this.name = this.constructor.name;
+  this.message = message;
+  this.oauthError = err;
+}
+
+/**
+ * Inherit from `Error`.
+ */
+InternalOAuthError.prototype.__proto__ = Error.prototype;
+
+/**
+ * Returns a string representing the error.
+ *
+ * @return {String}
+ * @api public
+ */
+InternalOAuthError.prototype.toString = function() {
+  var m = this.name;
+  if (this.message) { m += ': ' + this.message; }
+  if (this.oauthError) {
+    if (this.oauthError instanceof Error) {
+      m = this.oauthError.toString();
+    } else if (this.oauthError.statusCode && this.oauthError.data) {
+      m += ' (status: ' + this.oauthError.statusCode + ' data: ' + this.oauthError.data + ')';
+    }
+  }
+  return m;
+};
+
+
+/**
+ * Expose `InternalOAuthError`.
+ */
+module.exports = InternalOAuthError;
diff --git a/node_modules/passport-oauth2/lib/errors/tokenerror.js b/node_modules/passport-oauth2/lib/errors/tokenerror.js
new file mode 100644
index 000000000..924ea3b9a
--- /dev/null
+++ b/node_modules/passport-oauth2/lib/errors/tokenerror.js
@@ -0,0 +1,36 @@
+/**
+ * `TokenError` error.
+ *
+ * TokenError represents an error received from a token endpoint.  For details,
+ * refer to RFC 6749, section 5.2.
+ *
+ * References:
+ *   - [The OAuth 2.0 Authorization Framework](http://tools.ietf.org/html/rfc6749)
+ *
+ * @constructor
+ * @param {String} [message]
+ * @param {String} [code]
+ * @param {String} [uri]
+ * @param {Number} [status]
+ * @api public
+ */
+function TokenError(message, code, uri, status) {
+  Error.call(this);
+  Error.captureStackTrace(this, this.constructor);
+  this.name = this.constructor.name;
+  this.message = message;
+  this.code = code || 'invalid_request';
+  this.uri = uri;
+  this.status = status || 500;
+}
+
+/**
+ * Inherit from `Error`.
+ */
+TokenError.prototype.__proto__ = Error.prototype;
+
+
+/**
+ * Expose `TokenError`.
+ */
+module.exports = TokenError;
diff --git a/node_modules/passport-oauth2/lib/index.js b/node_modules/passport-oauth2/lib/index.js
new file mode 100644
index 000000000..b025669ad
--- /dev/null
+++ b/node_modules/passport-oauth2/lib/index.js
@@ -0,0 +1,16 @@
+// Load modules.
+var Strategy = require('./strategy')
+  , AuthorizationError = require('./errors/authorizationerror')
+  , TokenError = require('./errors/tokenerror')
+  , InternalOAuthError = require('./errors/internaloautherror');
+
+
+// Expose Strategy.
+exports = module.exports = Strategy;
+
+// Exports.
+exports.Strategy = Strategy;
+
+exports.AuthorizationError = AuthorizationError;
+exports.TokenError = TokenError;
+exports.InternalOAuthError = InternalOAuthError;
diff --git a/node_modules/passport-oauth2/lib/state/null.js b/node_modules/passport-oauth2/lib/state/null.js
new file mode 100644
index 000000000..80ad17e1f
--- /dev/null
+++ b/node_modules/passport-oauth2/lib/state/null.js
@@ -0,0 +1,13 @@
+function NullStore(options) {
+}
+
+NullStore.prototype.store = function(req, cb) {
+  cb();
+}
+
+NullStore.prototype.verify = function(req, providedState, cb) {
+  cb(null, true);
+}
+
+
+module.exports = NullStore;
diff --git a/node_modules/passport-oauth2/lib/state/pkcesession.js b/node_modules/passport-oauth2/lib/state/pkcesession.js
new file mode 100644
index 000000000..69ab44336
--- /dev/null
+++ b/node_modules/passport-oauth2/lib/state/pkcesession.js
@@ -0,0 +1,89 @@
+var uid = require('uid2');
+
+/**
+ * Creates an instance of `SessionStore`.
+ *
+ * This is the state store implementation for the OAuth2Strategy used when
+ * the `state` option is enabled.  It generates a random state and stores it in
+ * `req.session` and verifies it when the service provider redirects the user
+ * back to the application.
+ *
+ * This state store requires session support.  If no session exists, an error
+ * will be thrown.
+ *
+ * Options:
+ *
+ *   - `key`  The key in the session under which to store the state
+ *
+ * @constructor
+ * @param {Object} options
+ * @api public
+ */
+function PKCESessionStore(options) {
+  if (!options.key) { throw new TypeError('Session-based state store requires a session key'); }
+  this._key = options.key;
+}
+
+/**
+ * Store request state.
+ *
+ * This implementation simply generates a random string and stores the value in
+ * the session, where it will be used for verification when the user is
+ * redirected back to the application.
+ *
+ * @param {Object} req
+ * @param {Function} callback
+ * @api protected
+ */
+PKCESessionStore.prototype.store = function(req, verifier, state, meta, callback) {
+  if (!req.session) { return callback(new Error('OAuth 2.0 authentication requires session support when using state. Did you forget to use express-session middleware?')); }
+
+  var key = this._key;
+  var sstate = {
+    handle: uid(24),
+    code_verifier: verifier
+  };
+  if (state) { sstate.state = state; }
+  if (!req.session[key]) { req.session[key] = {}; }
+  req.session[key].state = sstate;
+  callback(null, sstate.handle);
+};
+
+/**
+ * Verify request state.
+ *
+ * This implementation simply compares the state parameter in the request to the
+ * value generated earlier and stored in the session.
+ *
+ * @param {Object} req
+ * @param {String} providedState
+ * @param {Function} callback
+ * @api protected
+ */
+PKCESessionStore.prototype.verify = function(req, providedState, callback) {
+  if (!req.session) { return callback(new Error('OAuth 2.0 authentication requires session support when using state. Did you forget to use express-session middleware?')); }
+
+  var key = this._key;
+  if (!req.session[key]) {
+    return callback(null, false, { message: 'Unable to verify authorization request state.' });
+  }
+
+  var state = req.session[key].state;
+  if (!state) {
+    return callback(null, false, { message: 'Unable to verify authorization request state.' });
+  }
+
+  delete req.session[key].state;
+  if (Object.keys(req.session[key]).length === 0) {
+    delete req.session[key];
+  }
+
+  if (state.handle !== providedState) {
+    return callback(null, false, { message: 'Invalid authorization request state.' });
+  }
+
+  return callback(null, state.code_verifier, state.state);
+};
+
+// Expose constructor.
+module.exports = PKCESessionStore;
diff --git a/node_modules/passport-oauth2/lib/state/session.js b/node_modules/passport-oauth2/lib/state/session.js
new file mode 100644
index 000000000..96db0aadd
--- /dev/null
+++ b/node_modules/passport-oauth2/lib/state/session.js
@@ -0,0 +1,85 @@
+var uid = require('uid2');
+
+/**
+ * Creates an instance of `SessionStore`.
+ *
+ * This is the state store implementation for the OAuth2Strategy used when
+ * the `state` option is enabled.  It generates a random state and stores it in
+ * `req.session` and verifies it when the service provider redirects the user
+ * back to the application.
+ *
+ * This state store requires session support.  If no session exists, an error
+ * will be thrown.
+ *
+ * Options:
+ *
+ *   - `key`  The key in the session under which to store the state
+ *
+ * @constructor
+ * @param {Object} options
+ * @api public
+ */
+function SessionStore(options) {
+  if (!options.key) { throw new TypeError('Session-based state store requires a session key'); }
+  this._key = options.key;
+}
+
+/**
+ * Store request state.
+ *
+ * This implementation simply generates a random string and stores the value in
+ * the session, where it will be used for verification when the user is
+ * redirected back to the application.
+ *
+ * @param {Object} req
+ * @param {Function} callback
+ * @api protected
+ */
+SessionStore.prototype.store = function(req, callback) {
+  if (!req.session) { return callback(new Error('OAuth 2.0 authentication requires session support when using state. Did you forget to use express-session middleware?')); }
+
+  var key = this._key;
+  var state = uid(24);
+  if (!req.session[key]) { req.session[key] = {}; }
+  req.session[key].state = state;
+  callback(null, state);
+};
+
+/**
+ * Verify request state.
+ *
+ * This implementation simply compares the state parameter in the request to the
+ * value generated earlier and stored in the session.
+ *
+ * @param {Object} req
+ * @param {String} providedState
+ * @param {Function} callback
+ * @api protected
+ */
+SessionStore.prototype.verify = function(req, providedState, callback) {
+  if (!req.session) { return callback(new Error('OAuth 2.0 authentication requires session support when using state. Did you forget to use express-session middleware?')); }
+
+  var key = this._key;
+  if (!req.session[key]) {
+    return callback(null, false, { message: 'Unable to verify authorization request state.' });
+  }
+
+  var state = req.session[key].state;
+  if (!state) {
+    return callback(null, false, { message: 'Unable to verify authorization request state.' });
+  }
+
+  delete req.session[key].state;
+  if (Object.keys(req.session[key]).length === 0) {
+    delete req.session[key];
+  }
+
+  if (state !== providedState) {
+    return callback(null, false, { message: 'Invalid authorization request state.' });
+  }
+
+  return callback(null, true);
+};
+
+// Expose constructor.
+module.exports = SessionStore;
diff --git a/node_modules/passport-oauth2/lib/state/store.js b/node_modules/passport-oauth2/lib/state/store.js
new file mode 100644
index 000000000..a49e6e53b
--- /dev/null
+++ b/node_modules/passport-oauth2/lib/state/store.js
@@ -0,0 +1,88 @@
+var uid = require('uid2');
+
+/**
+ * Creates an instance of `SessionStore`.
+ *
+ * This is the state store implementation for the OAuth2Strategy used when
+ * the `state` option is enabled.  It generates a random state and stores it in
+ * `req.session` and verifies it when the service provider redirects the user
+ * back to the application.
+ *
+ * This state store requires session support.  If no session exists, an error
+ * will be thrown.
+ *
+ * Options:
+ *
+ *   - `key`  The key in the session under which to store the state
+ *
+ * @constructor
+ * @param {Object} options
+ * @api public
+ */
+function SessionStore(options) {
+  if (!options.key) { throw new TypeError('Session-based state store requires a session key'); }
+  this._key = options.key;
+}
+
+/**
+ * Store request state.
+ *
+ * This implementation simply generates a random string and stores the value in
+ * the session, where it will be used for verification when the user is
+ * redirected back to the application.
+ *
+ * @param {Object} req
+ * @param {Function} callback
+ * @api protected
+ */
+SessionStore.prototype.store = function(req, state, meta, callback) {
+  if (!req.session) { return callback(new Error('OAuth 2.0 authentication requires session support when using state. Did you forget to use express-session middleware?')); }
+
+  var key = this._key;
+  var sstate = {
+    handle: uid(24)
+  };
+  if (state) { sstate.state = state; }
+  if (!req.session[key]) { req.session[key] = {}; }
+  req.session[key].state = sstate;
+  callback(null, sstate.handle);
+};
+
+/**
+ * Verify request state.
+ *
+ * This implementation simply compares the state parameter in the request to the
+ * value generated earlier and stored in the session.
+ *
+ * @param {Object} req
+ * @param {String} providedState
+ * @param {Function} callback
+ * @api protected
+ */
+SessionStore.prototype.verify = function(req, providedState, callback) {
+  if (!req.session) { return callback(new Error('OAuth 2.0 authentication requires session support when using state. Did you forget to use express-session middleware?')); }
+
+  var key = this._key;
+  if (!req.session[key]) {
+    return callback(null, false, { message: 'Unable to verify authorization request state.' });
+  }
+
+  var state = req.session[key].state;
+  if (!state) {
+    return callback(null, false, { message: 'Unable to verify authorization request state.' });
+  }
+
+  delete req.session[key].state;
+  if (Object.keys(req.session[key]).length === 0) {
+    delete req.session[key];
+  }
+
+  if (state.handle !== providedState) {
+    return callback(null, false, { message: 'Invalid authorization request state.' });
+  }
+
+  return callback(null, true, state.state);
+};
+
+// Expose constructor.
+module.exports = SessionStore;
diff --git a/node_modules/passport-oauth2/lib/strategy.js b/node_modules/passport-oauth2/lib/strategy.js
new file mode 100644
index 000000000..b05aacce9
--- /dev/null
+++ b/node_modules/passport-oauth2/lib/strategy.js
@@ -0,0 +1,429 @@
+// Load modules.
+var passport = require('passport-strategy')
+  , url = require('url')
+  , uid = require('uid2')
+  , crypto = require('crypto')
+  , base64url = require('base64url')
+  , util = require('util')
+  , utils = require('./utils')
+  , OAuth2 = require('oauth').OAuth2
+  , NullStore = require('./state/null')
+  , NonceStore = require('./state/session')
+  , StateStore = require('./state/store')
+  , PKCEStateStore = require('./state/pkcesession')
+  , AuthorizationError = require('./errors/authorizationerror')
+  , TokenError = require('./errors/tokenerror')
+  , InternalOAuthError = require('./errors/internaloautherror');
+
+
+/**
+ * Creates an instance of `OAuth2Strategy`.
+ *
+ * The OAuth 2.0 authentication strategy authenticates requests using the OAuth
+ * 2.0 framework.
+ *
+ * OAuth 2.0 provides a facility for delegated authentication, whereby users can
+ * authenticate using a third-party service such as Facebook.  Delegating in
+ * this manner involves a sequence of events, including redirecting the user to
+ * the third-party service for authorization.  Once authorization has been
+ * granted, the user is redirected back to the application and an authorization
+ * code can be used to obtain credentials.
+ *
+ * Applications must supply a `verify` callback, for which the function
+ * signature is:
+ *
+ *     function(accessToken, refreshToken, profile, done) { ... }
+ *
+ * The verify callback is responsible for finding or creating the user, and
+ * invoking `done` with the following arguments:
+ *
+ *     done(err, user, info);
+ *
+ * `user` should be set to `false` to indicate an authentication failure.
+ * Additional `info` can optionally be passed as a third argument, typically
+ * used to display informational messages.  If an exception occured, `err`
+ * should be set.
+ *
+ * Options:
+ *
+ *   - `authorizationURL`  URL used to obtain an authorization grant
+ *   - `tokenURL`          URL used to obtain an access token
+ *   - `clientID`          identifies client to service provider
+ *   - `clientSecret`      secret used to establish ownership of the client identifer
+ *   - `callbackURL`       URL to which the service provider will redirect the user after obtaining authorization
+ *   - `passReqToCallback` when `true`, `req` is the first argument to the verify callback (default: `false`)
+ *
+ * Examples:
+ *
+ *     passport.use(new OAuth2Strategy({
+ *         authorizationURL: 'https://www.example.com/oauth2/authorize',
+ *         tokenURL: 'https://www.example.com/oauth2/token',
+ *         clientID: '123-456-789',
+ *         clientSecret: 'shhh-its-a-secret'
+ *         callbackURL: 'https://www.example.net/auth/example/callback'
+ *       },
+ *       function(accessToken, refreshToken, profile, done) {
+ *         User.findOrCreate(..., function (err, user) {
+ *           done(err, user);
+ *         });
+ *       }
+ *     ));
+ *
+ * @constructor
+ * @param {Object} options
+ * @param {Function} verify
+ * @api public
+ */
+function OAuth2Strategy(options, verify) {
+  if (typeof options == 'function') {
+    verify = options;
+    options = undefined;
+  }
+  options = options || {};
+
+  if (!verify) { throw new TypeError('OAuth2Strategy requires a verify callback'); }
+  if (!options.authorizationURL) { throw new TypeError('OAuth2Strategy requires a authorizationURL option'); }
+  if (!options.tokenURL) { throw new TypeError('OAuth2Strategy requires a tokenURL option'); }
+  if (!options.clientID) { throw new TypeError('OAuth2Strategy requires a clientID option'); }
+
+  passport.Strategy.call(this);
+  this.name = 'oauth2';
+  this._verify = verify;
+
+  // NOTE: The _oauth2 property is considered "protected".  Subclasses are
+  //       allowed to use it when making protected resource requests to retrieve
+  //       the user profile.
+  this._oauth2 = new OAuth2(options.clientID,  options.clientSecret,
+                            '', options.authorizationURL, options.tokenURL, options.customHeaders);
+
+  this._callbackURL = options.callbackURL;
+  this._scope = options.scope;
+  this._scopeSeparator = options.scopeSeparator || ' ';
+  this._pkceMethod = (options.pkce === true) ? 'S256' : options.pkce;
+  this._key = options.sessionKey || ('oauth2:' + url.parse(options.authorizationURL).hostname);
+
+  if (options.store && typeof options.store == 'object') {
+    this._stateStore = options.store;
+  } else if (options.store) {
+    this._stateStore = options.pkce ? new PKCEStateStore({ key: this._key }) : new StateStore({ key: this._key });
+  } else if (options.state) {
+    this._stateStore = options.pkce ? new PKCEStateStore({ key: this._key }) : new NonceStore({ key: this._key });
+  } else {
+    if (options.pkce) { throw new TypeError('OAuth2Strategy requires `state: true` option when PKCE is enabled'); }
+    this._stateStore = new NullStore();
+  }
+  this._trustProxy = options.proxy;
+  this._passReqToCallback = options.passReqToCallback;
+  this._skipUserProfile = (options.skipUserProfile === undefined) ? false : options.skipUserProfile;
+}
+
+// Inherit from `passport.Strategy`.
+util.inherits(OAuth2Strategy, passport.Strategy);
+
+
+/**
+ * Authenticate request by delegating to a service provider using OAuth 2.0.
+ *
+ * @param {Object} req
+ * @api protected
+ */
+OAuth2Strategy.prototype.authenticate = function(req, options) {
+  options = options || {};
+  var self = this;
+
+  if (req.query && req.query.error) {
+    if (req.query.error == 'access_denied') {
+      return this.fail({ message: req.query.error_description });
+    } else {
+      return this.error(new AuthorizationError(req.query.error_description, req.query.error, req.query.error_uri));
+    }
+  }
+
+  var callbackURL = options.callbackURL || this._callbackURL;
+  if (callbackURL) {
+    var parsed = url.parse(callbackURL);
+    if (!parsed.protocol) {
+      // The callback URL is relative, resolve a fully qualified URL from the
+      // URL of the originating request.
+      callbackURL = url.resolve(utils.originalURL(req, { proxy: this._trustProxy }), callbackURL);
+    }
+  }
+
+  var meta = {
+    authorizationURL: this._oauth2._authorizeUrl,
+    tokenURL: this._oauth2._accessTokenUrl,
+    clientID: this._oauth2._clientId,
+    callbackURL: callbackURL
+  }
+
+  if (req.query && req.query.code) {
+    function loaded(err, ok, state) {
+      if (err) { return self.error(err); }
+      if (!ok) {
+        return self.fail(state, 403);
+      }
+
+      var code = req.query.code;
+
+      var params = self.tokenParams(options);
+      params.grant_type = 'authorization_code';
+      if (callbackURL) { params.redirect_uri = callbackURL; }
+      if (typeof ok == 'string') { // PKCE
+        params.code_verifier = ok;
+      }
+
+      self._oauth2.getOAuthAccessToken(code, params,
+        function(err, accessToken, refreshToken, params) {
+          if (err) { return self.error(self._createOAuthError('Failed to obtain access token', err)); }
+          if (!accessToken) { return self.error(new Error('Failed to obtain access token')); }
+
+          self._loadUserProfile(accessToken, function(err, profile) {
+            if (err) { return self.error(err); }
+
+            function verified(err, user, info) {
+              if (err) { return self.error(err); }
+              if (!user) { return self.fail(info); }
+
+              info = info || {};
+              if (state) { info.state = state; }
+              self.success(user, info);
+            }
+
+            try {
+              if (self._passReqToCallback) {
+                var arity = self._verify.length;
+                if (arity == 6) {
+                  self._verify(req, accessToken, refreshToken, params, profile, verified);
+                } else { // arity == 5
+                  self._verify(req, accessToken, refreshToken, profile, verified);
+                }
+              } else {
+                var arity = self._verify.length;
+                if (arity == 5) {
+                  self._verify(accessToken, refreshToken, params, profile, verified);
+                } else { // arity == 4
+                  self._verify(accessToken, refreshToken, profile, verified);
+                }
+              }
+            } catch (ex) {
+              return self.error(ex);
+            }
+          });
+        }
+      );
+    }
+
+    var state = req.query.state;
+    try {
+      var arity = this._stateStore.verify.length;
+      if (arity == 4) {
+        this._stateStore.verify(req, state, meta, loaded);
+      } else { // arity == 3
+        this._stateStore.verify(req, state, loaded);
+      }
+    } catch (ex) {
+      return this.error(ex);
+    }
+  } else {
+    var params = this.authorizationParams(options);
+    params.response_type = 'code';
+    if (callbackURL) { params.redirect_uri = callbackURL; }
+    var scope = options.scope || this._scope;
+    if (scope) {
+      if (Array.isArray(scope)) { scope = scope.join(this._scopeSeparator); }
+      params.scope = scope;
+    }
+    var verifier, challenge;
+
+    if (this._pkceMethod) {
+      verifier = base64url(crypto.pseudoRandomBytes(32))
+      switch (this._pkceMethod) {
+      case 'plain':
+        challenge = verifier;
+        break;
+      case 'S256':
+        challenge = base64url(crypto.createHash('sha256').update(verifier).digest());
+        break;
+      default:
+        return this.error(new Error('Unsupported code verifier transformation method: ' + this._pkceMethod));
+      }
+      
+      params.code_challenge = challenge;
+      params.code_challenge_method = this._pkceMethod;
+    }
+
+    var state = options.state;
+    if (state && typeof state == 'string') {
+      // NOTE: In passport-oauth2@1.5.0 and earlier, `state` could be passed as
+      //       an object.  However, it would result in an empty string being
+      //       serialized as the value of the query parameter by `url.format()`,
+      //       effectively ignoring the option.  This implies that `state` was
+      //       only functional when passed as a string value.
+      //
+      //       This fact is taken advantage of here to fall into the `else`
+      //       branch below when `state` is passed as an object.  In that case
+      //       the state will be automatically managed and persisted by the
+      //       state store.
+      params.state = state;
+      
+      var parsed = url.parse(this._oauth2._authorizeUrl, true);
+      utils.merge(parsed.query, params);
+      parsed.query['client_id'] = this._oauth2._clientId;
+      delete parsed.search;
+      var location = url.format(parsed);
+      this.redirect(location);
+    } else {
+      function stored(err, state) {
+        if (err) { return self.error(err); }
+
+        if (state) { params.state = state; }
+        var parsed = url.parse(self._oauth2._authorizeUrl, true);
+        utils.merge(parsed.query, params);
+        parsed.query['client_id'] = self._oauth2._clientId;
+        delete parsed.search;
+        var location = url.format(parsed);
+        self.redirect(location);
+      }
+
+      try {
+        var arity = this._stateStore.store.length;
+        if (arity == 5) {
+          this._stateStore.store(req, verifier, state, meta, stored);
+        } else if (arity == 4) {
+          this._stateStore.store(req, state, meta, stored);
+        } else if (arity == 3) {
+          this._stateStore.store(req, meta, stored);
+        } else { // arity == 2
+          this._stateStore.store(req, stored);
+        }
+      } catch (ex) {
+        return this.error(ex);
+      }
+    }
+  }
+};
+
+/**
+ * Retrieve user profile from service provider.
+ *
+ * OAuth 2.0-based authentication strategies can overrride this function in
+ * order to load the user's profile from the service provider.  This assists
+ * applications (and users of those applications) in the initial registration
+ * process by automatically submitting required information.
+ *
+ * @param {String} accessToken
+ * @param {Function} done
+ * @api protected
+ */
+OAuth2Strategy.prototype.userProfile = function(accessToken, done) {
+  return done(null, {});
+};
+
+/**
+ * Return extra parameters to be included in the authorization request.
+ *
+ * Some OAuth 2.0 providers allow additional, non-standard parameters to be
+ * included when requesting authorization.  Since these parameters are not
+ * standardized by the OAuth 2.0 specification, OAuth 2.0-based authentication
+ * strategies can overrride this function in order to populate these parameters
+ * as required by the provider.
+ *
+ * @param {Object} options
+ * @return {Object}
+ * @api protected
+ */
+OAuth2Strategy.prototype.authorizationParams = function(options) {
+  return {};
+};
+
+/**
+ * Return extra parameters to be included in the token request.
+ *
+ * Some OAuth 2.0 providers allow additional, non-standard parameters to be
+ * included when requesting an access token.  Since these parameters are not
+ * standardized by the OAuth 2.0 specification, OAuth 2.0-based authentication
+ * strategies can overrride this function in order to populate these parameters
+ * as required by the provider.
+ *
+ * @return {Object}
+ * @api protected
+ */
+OAuth2Strategy.prototype.tokenParams = function(options) {
+  return {};
+};
+
+/**
+ * Parse error response from OAuth 2.0 endpoint.
+ *
+ * OAuth 2.0-based authentication strategies can overrride this function in
+ * order to parse error responses received from the token endpoint, allowing the
+ * most informative message to be displayed.
+ *
+ * If this function is not overridden, the body will be parsed in accordance
+ * with RFC 6749, section 5.2.
+ *
+ * @param {String} body
+ * @param {Number} status
+ * @return {Error}
+ * @api protected
+ */
+OAuth2Strategy.prototype.parseErrorResponse = function(body, status) {
+  var json = JSON.parse(body);
+  if (json.error) {
+    return new TokenError(json.error_description, json.error, json.error_uri);
+  }
+  return null;
+};
+
+/**
+ * Load user profile, contingent upon options.
+ *
+ * @param {String} accessToken
+ * @param {Function} done
+ * @api private
+ */
+OAuth2Strategy.prototype._loadUserProfile = function(accessToken, done) {
+  var self = this;
+
+  function loadIt() {
+    return self.userProfile(accessToken, done);
+  }
+  function skipIt() {
+    return done(null);
+  }
+
+  if (typeof this._skipUserProfile == 'function' && this._skipUserProfile.length > 1) {
+    // async
+    this._skipUserProfile(accessToken, function(err, skip) {
+      if (err) { return done(err); }
+      if (!skip) { return loadIt(); }
+      return skipIt();
+    });
+  } else {
+    var skip = (typeof this._skipUserProfile == 'function') ? this._skipUserProfile() : this._skipUserProfile;
+    if (!skip) { return loadIt(); }
+    return skipIt();
+  }
+};
+
+/**
+ * Create an OAuth error.
+ *
+ * @param {String} message
+ * @param {Object|Error} err
+ * @api private
+ */
+OAuth2Strategy.prototype._createOAuthError = function(message, err) {
+  var e;
+  if (err.statusCode && err.data) {
+    try {
+      e = this.parseErrorResponse(err.data, err.statusCode);
+    } catch (_) {}
+  }
+  if (!e) { e = new InternalOAuthError(message, err); }
+  return e;
+};
+
+
+// Expose constructor.
+module.exports = OAuth2Strategy;
diff --git a/node_modules/passport-oauth2/lib/utils.js b/node_modules/passport-oauth2/lib/utils.js
new file mode 100644
index 000000000..486f9e15a
--- /dev/null
+++ b/node_modules/passport-oauth2/lib/utils.js
@@ -0,0 +1,32 @@
+exports.merge = require('utils-merge');
+
+/**
+ * Reconstructs the original URL of the request.
+ *
+ * This function builds a URL that corresponds the original URL requested by the
+ * client, including the protocol (http or https) and host.
+ *
+ * If the request passed through any proxies that terminate SSL, the
+ * `X-Forwarded-Proto` header is used to detect if the request was encrypted to
+ * the proxy, assuming that the proxy has been flagged as trusted.
+ *
+ * @param {http.IncomingMessage} req
+ * @param {Object} [options]
+ * @return {String}
+ * @api private
+ */
+exports.originalURL = function(req, options) {
+  options = options || {};
+  var app = req.app;
+  if (app && app.get && app.get('trust proxy')) {
+    options.proxy = true;
+  }
+  var trustProxy = options.proxy;
+  
+  var proto = (req.headers['x-forwarded-proto'] || '').toLowerCase()
+    , tls = req.connection.encrypted || (trustProxy && 'https' == proto.split(/\s*,\s*/)[0])
+    , host = (trustProxy && req.headers['x-forwarded-host']) || req.headers.host
+    , protocol = tls ? 'https' : 'http'
+    , path = req.url || '';
+  return protocol + '://' + host + path;
+};
diff --git a/node_modules/passport-oauth2/package.json b/node_modules/passport-oauth2/package.json
new file mode 100644
index 000000000..182007f74
--- /dev/null
+++ b/node_modules/passport-oauth2/package.json
@@ -0,0 +1,59 @@
+{
+  "name": "passport-oauth2",
+  "version": "1.6.1",
+  "description": "OAuth 2.0 authentication strategy for Passport.",
+  "keywords": [
+    "passport",
+    "auth",
+    "authn",
+    "authentication",
+    "authz",
+    "authorization",
+    "oauth",
+    "oauth2"
+  ],
+  "author": {
+    "name": "Jared Hanson",
+    "email": "jaredhanson@gmail.com",
+    "url": "http://www.jaredhanson.net/"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/jaredhanson/passport-oauth2.git"
+  },
+  "bugs": {
+    "url": "http://github.com/jaredhanson/passport-oauth2/issues"
+  },
+  "funding": {
+    "type": "github",
+    "url": "https://github.com/sponsors/jaredhanson"
+  },
+  "license": "MIT",
+  "licenses": [
+    {
+      "type": "MIT",
+      "url": "http://opensource.org/licenses/MIT"
+    }
+  ],
+  "main": "./lib",
+  "dependencies": {
+    "base64url": "3.x.x",
+    "oauth": "0.9.x",
+    "passport-strategy": "1.x.x",
+    "uid2": "0.0.x",
+    "utils-merge": "1.x.x"
+  },
+  "devDependencies": {
+    "make-node": "0.4.6",
+    "mocha": "2.x.x",
+    "chai": "2.x.x",
+    "proxyquire": "0.6.x",
+    "chai-passport-strategy": "1.x.x"
+  },
+  "engines": {
+    "node": ">= 0.4.0"
+  },
+  "scripts": {
+    "test": "node_modules/.bin/mocha --reporter spec --require test/bootstrap/node test/*.test.js test/**/*.test.js"
+  }
+}
diff --git a/node_modules/passport-strategy/.jshintrc b/node_modules/passport-strategy/.jshintrc
new file mode 100644
index 000000000..a07354b1b
--- /dev/null
+++ b/node_modules/passport-strategy/.jshintrc
@@ -0,0 +1,20 @@
+{
+  "node": true,
+  
+  "bitwise": true,
+  "camelcase": true,
+  "curly": true,
+  "forin": true,
+  "immed": true,
+  "latedef": true,
+  "newcap": true,
+  "noarg": true,
+  "noempty": true,
+  "nonew": true,
+  "quotmark": "single",
+  "undef": true,
+  "unused": true,
+  "trailing": true,
+  
+  "laxcomma": true
+}
diff --git a/node_modules/passport-strategy/.travis.yml b/node_modules/passport-strategy/.travis.yml
new file mode 100644
index 000000000..45f86244e
--- /dev/null
+++ b/node_modules/passport-strategy/.travis.yml
@@ -0,0 +1,15 @@
+language: "node_js"
+node_js:
+  - "0.4"
+  - "0.6"
+  - "0.8"
+  - "0.10"
+
+before_install:
+ - "npm install istanbul -g"
+ - "npm install coveralls -g"
+
+script: "make ci-travis"
+
+after_success:
+  - "make submit-coverage-to-coveralls"
diff --git a/node_modules/passport-strategy/LICENSE b/node_modules/passport-strategy/LICENSE
new file mode 100644
index 000000000..ec885b569
--- /dev/null
+++ b/node_modules/passport-strategy/LICENSE
@@ -0,0 +1,20 @@
+(The MIT License)
+
+Copyright (c) 2011-2013 Jared Hanson
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/passport-strategy/README.md b/node_modules/passport-strategy/README.md
new file mode 100644
index 000000000..71de07f79
--- /dev/null
+++ b/node_modules/passport-strategy/README.md
@@ -0,0 +1,61 @@
+# passport-strategy
+
+[![Build](https://travis-ci.org/jaredhanson/passport-strategy.png)](http://travis-ci.org/jaredhanson/passport-strategy)
+[![Coverage](https://coveralls.io/repos/jaredhanson/passport-strategy/badge.png)](https://coveralls.io/r/jaredhanson/passport-strategy)
+[![Dependencies](https://david-dm.org/jaredhanson/passport-strategy.png)](http://david-dm.org/jaredhanson/passport-strategy)
+
+
+An abstract class implementing [Passport](http://passportjs.org/)'s strategy
+API.
+
+## Install
+
+    $ npm install passport-strategy
+
+## Usage
+
+This module exports an abstract `Strategy` class that is intended to be
+subclassed when implementing concrete authentication strategies.  Once
+implemented, such strategies can be used by applications that utilize Passport
+middleware for authentication.
+
+#### Subclass Strategy
+
+Create a new `CustomStrategy` constructor which inherits from `Strategy`:
+
+```javascript
+var util = require('util')
+  , Strategy = require('passport-strategy');
+
+function CustomStrategy(...) {
+  Strategy.call(this);
+}
+
+util.inherits(CustomStrategy, Strategy);
+```
+
+#### Implement Authentication
+
+Implement `autheticate()`, performing the necessary operations required by the
+authentication scheme or protocol being implemented.
+
+```javascript
+CustomStrategy.prototype.authenticate = function(req, options) {
+  // TODO: authenticate request
+}
+```
+
+## Tests
+
+    $ npm install
+    $ npm test
+
+## Credits
+
+  - [Jared Hanson](http://github.com/jaredhanson)
+
+## License
+
+[The MIT License](http://opensource.org/licenses/MIT)
+
+Copyright (c) 2011-2013 Jared Hanson <[http://jaredhanson.net/](http://jaredhanson.net/)>
diff --git a/node_modules/passport-strategy/lib/index.js b/node_modules/passport-strategy/lib/index.js
new file mode 100644
index 000000000..a6fdfa74e
--- /dev/null
+++ b/node_modules/passport-strategy/lib/index.js
@@ -0,0 +1,15 @@
+/**
+ * Module dependencies.
+ */
+var Strategy = require('./strategy');
+
+
+/**
+ * Expose `Strategy` directly from package.
+ */
+exports = module.exports = Strategy;
+
+/**
+ * Export constructors.
+ */
+exports.Strategy = Strategy;
diff --git a/node_modules/passport-strategy/lib/strategy.js b/node_modules/passport-strategy/lib/strategy.js
new file mode 100644
index 000000000..5a7eb28be
--- /dev/null
+++ b/node_modules/passport-strategy/lib/strategy.js
@@ -0,0 +1,28 @@
+/**
+ * Creates an instance of `Strategy`.
+ *
+ * @constructor
+ * @api public
+ */
+function Strategy() {
+}
+
+/**
+ * Authenticate request.
+ *
+ * This function must be overridden by subclasses.  In abstract form, it always
+ * throws an exception.
+ *
+ * @param {Object} req The request to authenticate.
+ * @param {Object} [options] Strategy-specific options.
+ * @api public
+ */
+Strategy.prototype.authenticate = function(req, options) {
+  throw new Error('Strategy#authenticate must be overridden by subclass');
+};
+
+
+/**
+ * Expose `Strategy`.
+ */
+module.exports = Strategy;
diff --git a/node_modules/passport-strategy/package.json b/node_modules/passport-strategy/package.json
new file mode 100644
index 000000000..666d2650f
--- /dev/null
+++ b/node_modules/passport-strategy/package.json
@@ -0,0 +1,50 @@
+{
+  "name": "passport-strategy",
+  "version": "1.0.0",
+  "description": "An abstract class implementing Passport's strategy API.",
+  "keywords": [
+    "passport",
+    "strategy"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/jaredhanson/passport-strategy.git"
+  },
+  "bugs": {
+    "url": "http://github.com/jaredhanson/passport-strategy/issues"
+  },
+  "author": {
+    "name": "Jared Hanson",
+    "email": "jaredhanson@gmail.com",
+    "url": "http://www.jaredhanson.net/"
+  },
+  "licenses": [
+    {
+      "type": "MIT",
+      "url": "http://www.opensource.org/licenses/MIT"
+    }
+  ],
+  "main": "./lib",
+  "dependencies": {
+  },
+  "devDependencies": {
+    "mocha": "1.x.x",
+    "chai": "1.x.x"
+  },
+  "engines": {
+    "node": ">= 0.4.0"
+  },
+  "scripts": {
+    "test": "node_modules/.bin/mocha --reporter spec --require test/bootstrap/node test/*.test.js"
+  },
+  "testling": {
+    "browsers": [
+      "chrome/latest"
+    ],
+    "harness" : "mocha",
+    "files": [
+      "test/bootstrap/testling.js",
+      "test/*.test.js"
+    ]
+  }
+}
diff --git a/node_modules/passport/CHANGELOG.md b/node_modules/passport/CHANGELOG.md
new file mode 100644
index 000000000..0646d0fff
--- /dev/null
+++ b/node_modules/passport/CHANGELOG.md
@@ -0,0 +1,56 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [0.5.3] - 2022-05-16
+### Fixed
+
+- `initialize()` middleware extends request with `login()`, `logIn()`,
+`logout()`, `logOut()`, `isAuthenticated()`, and `isUnauthenticated()` functions
+again, reverting change from 0.5.1.
+
+## [0.5.2] - 2021-12-16
+### Fixed
+- Introduced a compatibility layer for strategies that depend directly on
+`passport@0.4.x` or earlier (such as `passport-azure-ad`), which were
+broken by the removal of private variables in `passport@0.5.1`.
+
+## [0.5.1] - 2021-12-15
+### Added
+- Informative error message in session strategy if session support is not
+available.
+
+### Changed
+
+- `authenticate()` middleware, rather than `initialize()` middleware, extends
+request with `login()`, `logIn()`, `logout()`, `logOut()`, `isAuthenticated()`,
+and `isUnauthenticated()` functions.
+
+## [0.5.0] - 2021-09-23
+### Changed
+
+- `initialize()` middleware extends request with `login()`, `logIn()`,
+`logout()`, `logOut()`, `isAuthenticated()`, and `isUnauthenticated()`
+functions.
+
+### Removed
+
+- `login()`, `logIn()`, `logout()`, `logOut()`, `isAuthenticated()`, and
+`isUnauthenticated()` functions no longer added to `http.IncomingMessage.prototype`.
+
+### Fixed
+
+- `userProperty` option to `initialize()` middleware only affects the current
+request, rather than all requests processed via singleton Passport instance,
+eliminating a race condition in situations where `initialize()` middleware is
+used multiple times in an application with `userProperty` set to different
+values.
+
+[Unreleased]: https://github.com/jaredhanson/passport/compare/v0.5.3...HEAD
+[0.5.3]: https://github.com/jaredhanson/passport/compare/v0.5.2...v0.5.3
+[0.5.2]: https://github.com/jaredhanson/passport/compare/v0.5.1...v0.5.2
+[0.5.1]: https://github.com/jaredhanson/passport/compare/v0.5.0...v0.5.1
diff --git a/node_modules/passport/LICENSE b/node_modules/passport/LICENSE
new file mode 100644
index 000000000..2a3ab4d58
--- /dev/null
+++ b/node_modules/passport/LICENSE
@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2011-2021 Jared Hanson
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/passport/README.md b/node_modules/passport/README.md
new file mode 100644
index 000000000..bd2aa8be7
--- /dev/null
+++ b/node_modules/passport/README.md
@@ -0,0 +1,173 @@
+[![passport banner](http://cdn.auth0.com/img/passport-banner-github.png)](http://passportjs.org)
+
+# Passport
+
+Passport is [Express](http://expressjs.com/)-compatible authentication
+middleware for [Node.js](http://nodejs.org/).
+
+Passport's sole purpose is to authenticate requests, which it does through an
+extensible set of plugins known as _strategies_.  Passport does not mount
+routes or assume any particular database schema, which maximizes flexibility and
+allows application-level decisions to be made by the developer.  The API is
+simple: you provide Passport a request to authenticate, and Passport provides
+hooks for controlling what occurs when authentication succeeds or fails.
+
+---
+
+<p align="center">
+  <sup>Sponsors</sup>
+  <br>
+  <a href="https://workos.com/?utm_campaign=github_repo&utm_medium=referral&utm_content=passport_js&utm_source=github"><img src="https://raw.githubusercontent.com/jaredhanson/passport/master/sponsors/workos.png"></a><br/>
+  <a href="https://workos.com/?utm_campaign=github_repo&utm_medium=referral&utm_content=passport_js&utm_source=github"><b>Your app, enterprise-ready.</b><br/>Start selling to enterprise customers with just a few lines of code. Add Single Sign-On (and more) in minutes instead of months.</a>
+  <br>
+  <a href="https://snyk.co/passport"><img src="https://raw.githubusercontent.com/jaredhanson/passport/master/sponsors/snyk.png" width="301" height="171"></a><br/>
+</p>
+
+---
+
+Status:
+[![Build](https://travis-ci.org/jaredhanson/passport.svg?branch=master)](https://travis-ci.org/jaredhanson/passport)
+[![Coverage](https://coveralls.io/repos/jaredhanson/passport/badge.svg?branch=master)](https://coveralls.io/r/jaredhanson/passport)
+[![Dependencies](https://david-dm.org/jaredhanson/passport.svg)](https://david-dm.org/jaredhanson/passport)
+
+
+## Install
+
+```
+$ npm install passport
+```
+
+## Usage
+
+#### Strategies
+
+Passport uses the concept of strategies to authenticate requests.  Strategies
+can range from verifying username and password credentials, delegated
+authentication using [OAuth](http://oauth.net/) (for example, via [Facebook](http://www.facebook.com/)
+or [Twitter](http://twitter.com/)), or federated authentication using [OpenID](http://openid.net/).
+
+Before authenticating requests, the strategy (or strategies) used by an
+application must be configured.
+
+```javascript
+passport.use(new LocalStrategy(
+  function(username, password, done) {
+    User.findOne({ username: username }, function (err, user) {
+      if (err) { return done(err); }
+      if (!user) { return done(null, false); }
+      if (!user.verifyPassword(password)) { return done(null, false); }
+      return done(null, user);
+    });
+  }
+));
+```
+
+There are 480+ strategies. Find the ones you want at: [passportjs.org](http://passportjs.org)
+
+#### Sessions
+
+Passport will maintain persistent login sessions.  In order for persistent
+sessions to work, the authenticated user must be serialized to the session, and
+deserialized when subsequent requests are made.
+
+Passport does not impose any restrictions on how your user records are stored.
+Instead, you provide functions to Passport which implements the necessary
+serialization and deserialization logic.  In a typical application, this will be
+as simple as serializing the user ID, and finding the user by ID when
+deserializing.
+
+```javascript
+passport.serializeUser(function(user, done) {
+  done(null, user.id);
+});
+
+passport.deserializeUser(function(id, done) {
+  User.findById(id, function (err, user) {
+    done(err, user);
+  });
+});
+```
+
+#### Middleware
+
+To use Passport in an [Express](http://expressjs.com/) or
+[Connect](http://senchalabs.github.com/connect/)-based application, configure it
+with the required `passport.initialize()` middleware.  If your application uses
+persistent login sessions (recommended, but not required), `passport.session()`
+middleware must also be used.
+
+```javascript
+var app = express();
+app.use(require('serve-static')(__dirname + '/../../public'));
+app.use(require('cookie-parser')());
+app.use(require('body-parser').urlencoded({ extended: true }));
+app.use(require('express-session')({ secret: 'keyboard cat', resave: true, saveUninitialized: true }));
+app.use(passport.initialize());
+app.use(passport.session());
+```
+
+#### Authenticate Requests
+
+Passport provides an `authenticate()` function, which is used as route
+middleware to authenticate requests.
+
+```javascript
+app.post('/login', 
+  passport.authenticate('local', { failureRedirect: '/login' }),
+  function(req, res) {
+    res.redirect('/');
+  });
+```
+
+## Strategies
+
+Passport has a comprehensive set of **over 480** authentication strategies
+covering social networking, enterprise integration, API services, and more.
+
+## Search all strategies
+
+There is a **Strategy Search** at [passportjs.org](http://passportjs.org)
+
+The following table lists commonly used strategies:
+
+|Strategy                                                       | Protocol                 |Developer                                       |
+|---------------------------------------------------------------|--------------------------|------------------------------------------------|
+|[Local](https://github.com/jaredhanson/passport-local)         | HTML form                |[Jared Hanson](https://github.com/jaredhanson)  |
+|[OpenID](https://github.com/jaredhanson/passport-openid)       | OpenID                   |[Jared Hanson](https://github.com/jaredhanson)  |
+|[BrowserID](https://github.com/jaredhanson/passport-browserid) | BrowserID                |[Jared Hanson](https://github.com/jaredhanson)  |
+|[Facebook](https://github.com/jaredhanson/passport-facebook)   | OAuth 2.0                |[Jared Hanson](https://github.com/jaredhanson)  |
+|[Google](https://github.com/jaredhanson/passport-google)       | OpenID                   |[Jared Hanson](https://github.com/jaredhanson)  |
+|[Google](https://github.com/jaredhanson/passport-google-oauth) | OAuth / OAuth 2.0        |[Jared Hanson](https://github.com/jaredhanson)  |
+|[Twitter](https://github.com/jaredhanson/passport-twitter)     | OAuth                    |[Jared Hanson](https://github.com/jaredhanson)  |
+|[Azure Active Directory](https://github.com/AzureAD/passport-azure-ad)     | OAuth 2.0 / OpenID / SAML  |[Azure](https://github.com/azuread)  |
+
+## Examples
+
+- For a complete, working example, refer to the [example](https://github.com/passport/express-4.x-local-example)
+that uses [passport-local](https://github.com/jaredhanson/passport-local).
+- **Local Strategy**: Refer to the following tutorials for setting up user authentication via LocalStrategy (`passport-local`):
+    - Mongo
+      - Express v3x - [Tutorial](http://mherman.org/blog/2016/09/25/node-passport-and-postgres/#.V-govpMrJE5) / [working example](https://github.com/mjhea0/passport-local-knex)
+      - Express v4x - [Tutorial](http://mherman.org/blog/2015/01/31/local-authentication-with-passport-and-express-4/) / [working example](https://github.com/mjhea0/passport-local-express4)
+    - Postgres
+      - [Tutorial](http://mherman.org/blog/2015/01/31/local-authentication-with-passport-and-express-4/) / [working example](https://github.com/mjhea0/passport-local-express4)
+- **Social Authentication**: Refer to the following tutorials for setting up various social authentication strategies:
+    - Express v3x - [Tutorial](http://mherman.org/blog/2013/11/10/social-authentication-with-passport-dot-js/) / [working example](https://github.com/mjhea0/passport-examples)
+    - Express v4x - [Tutorial](http://mherman.org/blog/2015/09/26/social-authentication-in-node-dot-js-with-passport) / [working example](https://github.com/mjhea0/passport-social-auth)
+
+## Related Modules
+
+- [Locomotive](https://github.com/jaredhanson/locomotive) — Powerful MVC web framework
+- [OAuthorize](https://github.com/jaredhanson/oauthorize) — OAuth service provider toolkit
+- [OAuth2orize](https://github.com/jaredhanson/oauth2orize) — OAuth 2.0 authorization server toolkit
+- [connect-ensure-login](https://github.com/jaredhanson/connect-ensure-login)  — middleware to ensure login sessions
+
+The [modules](https://github.com/jaredhanson/passport/wiki/Modules) page on the
+[wiki](https://github.com/jaredhanson/passport/wiki) lists other useful modules
+that build upon or integrate with Passport.
+
+## License
+
+[The MIT License](http://opensource.org/licenses/MIT)
+
+Copyright (c) 2011-2021 Jared Hanson <[https://www.jaredhanson.me/](https://www.jaredhanson.me/)>
diff --git a/node_modules/passport/lib/authenticator.js b/node_modules/passport/lib/authenticator.js
new file mode 100644
index 000000000..03f98782e
--- /dev/null
+++ b/node_modules/passport/lib/authenticator.js
@@ -0,0 +1,468 @@
+/**
+ * Module dependencies.
+ */
+var SessionStrategy = require('./strategies/session')
+  , SessionManager = require('./sessionmanager');
+
+
+/**
+ * `Authenticator` constructor.
+ *
+ * @api public
+ */
+function Authenticator() {
+  this._key = 'passport';
+  this._strategies = {};
+  this._serializers = [];
+  this._deserializers = [];
+  this._infoTransformers = [];
+  this._framework = null;
+  
+  this.init();
+}
+
+/**
+ * Initialize authenticator.
+ *
+ * @api protected
+ */
+Authenticator.prototype.init = function() {
+  this.framework(require('./framework/connect')());
+  this.use(new SessionStrategy({ key: this._key }, this.deserializeUser.bind(this)));
+  this._sm = new SessionManager({ key: this._key }, this.serializeUser.bind(this));
+};
+
+/**
+ * Utilize the given `strategy` with optional `name`, overridding the strategy's
+ * default name.
+ *
+ * Examples:
+ *
+ *     passport.use(new TwitterStrategy(...));
+ *
+ *     passport.use('api', new http.BasicStrategy(...));
+ *
+ * @param {String|Strategy} name
+ * @param {Strategy} strategy
+ * @return {Authenticator} for chaining
+ * @api public
+ */
+Authenticator.prototype.use = function(name, strategy) {
+  if (!strategy) {
+    strategy = name;
+    name = strategy.name;
+  }
+  if (!name) { throw new Error('Authentication strategies must have a name'); }
+  
+  this._strategies[name] = strategy;
+  return this;
+};
+
+/**
+ * Un-utilize the `strategy` with given `name`.
+ *
+ * In typical applications, the necessary authentication strategies are static,
+ * configured once and always available.  As such, there is often no need to
+ * invoke this function.
+ *
+ * However, in certain situations, applications may need dynamically configure
+ * and de-configure authentication strategies.  The `use()`/`unuse()`
+ * combination satisfies these scenarios.
+ *
+ * Examples:
+ *
+ *     passport.unuse('legacy-api');
+ *
+ * @param {String} name
+ * @return {Authenticator} for chaining
+ * @api public
+ */
+Authenticator.prototype.unuse = function(name) {
+  delete this._strategies[name];
+  return this;
+};
+
+/**
+ * Setup Passport to be used under framework.
+ *
+ * By default, Passport exposes middleware that operate using Connect-style
+ * middleware using a `fn(req, res, next)` signature.  Other popular frameworks
+ * have different expectations, and this function allows Passport to be adapted
+ * to operate within such environments.
+ *
+ * If you are using a Connect-compatible framework, including Express, there is
+ * no need to invoke this function.
+ *
+ * Examples:
+ *
+ *     passport.framework(require('hapi-passport')());
+ *
+ * @param {Object} name
+ * @return {Authenticator} for chaining
+ * @api public
+ */
+Authenticator.prototype.framework = function(fw) {
+  this._framework = fw;
+  return this;
+};
+
+/**
+ * Passport's primary initialization middleware.
+ *
+ * This middleware must be in use by the Connect/Express application for
+ * Passport to operate.
+ *
+ * Options:
+ *   - `userProperty`  Property to set on `req` upon login, defaults to _user_
+ *
+ * Examples:
+ *
+ *     app.use(passport.initialize());
+ *
+ *     app.use(passport.initialize({ userProperty: 'currentUser' }));
+ *
+ * @param {Object} options
+ * @return {Function} middleware
+ * @api public
+ */
+Authenticator.prototype.initialize = function(options) {
+  options = options || {};
+  return this._framework.initialize(this, options);
+};
+
+/**
+ * Middleware that will authenticate a request using the given `strategy` name,
+ * with optional `options` and `callback`.
+ *
+ * Examples:
+ *
+ *     passport.authenticate('local', { successRedirect: '/', failureRedirect: '/login' })(req, res);
+ *
+ *     passport.authenticate('local', function(err, user) {
+ *       if (!user) { return res.redirect('/login'); }
+ *       res.end('Authenticated!');
+ *     })(req, res);
+ *
+ *     passport.authenticate('basic', { session: false })(req, res);
+ *
+ *     app.get('/auth/twitter', passport.authenticate('twitter'), function(req, res) {
+ *       // request will be redirected to Twitter
+ *     });
+ *     app.get('/auth/twitter/callback', passport.authenticate('twitter'), function(req, res) {
+ *       res.json(req.user);
+ *     });
+ *
+ * @param {String} strategy
+ * @param {Object} options
+ * @param {Function} callback
+ * @return {Function} middleware
+ * @api public
+ */
+Authenticator.prototype.authenticate = function(strategy, options, callback) {
+  return this._framework.authenticate(this, strategy, options, callback);
+};
+
+/**
+ * Middleware that will authorize a third-party account using the given
+ * `strategy` name, with optional `options`.
+ *
+ * If authorization is successful, the result provided by the strategy's verify
+ * callback will be assigned to `req.account`.  The existing login session and
+ * `req.user` will be unaffected.
+ *
+ * This function is particularly useful when connecting third-party accounts
+ * to the local account of a user that is currently authenticated.
+ *
+ * Examples:
+ *
+ *    passport.authorize('twitter-authz', { failureRedirect: '/account' });
+ *
+ * @param {String} strategy
+ * @param {Object} options
+ * @return {Function} middleware
+ * @api public
+ */
+Authenticator.prototype.authorize = function(strategy, options, callback) {
+  options = options || {};
+  options.assignProperty = 'account';
+  
+  var fn = this._framework.authorize || this._framework.authenticate;
+  return fn(this, strategy, options, callback);
+};
+
+/**
+ * Middleware that will restore login state from a session.
+ *
+ * Web applications typically use sessions to maintain login state between
+ * requests.  For example, a user will authenticate by entering credentials into
+ * a form which is submitted to the server.  If the credentials are valid, a
+ * login session is established by setting a cookie containing a session
+ * identifier in the user's web browser.  The web browser will send this cookie
+ * in subsequent requests to the server, allowing a session to be maintained.
+ *
+ * If sessions are being utilized, and a login session has been established,
+ * this middleware will populate `req.user` with the current user.
+ *
+ * Note that sessions are not strictly required for Passport to operate.
+ * However, as a general rule, most web applications will make use of sessions.
+ * An exception to this rule would be an API server, which expects each HTTP
+ * request to provide credentials in an Authorization header.
+ *
+ * Examples:
+ *
+ *     app.use(connect.cookieParser());
+ *     app.use(connect.session({ secret: 'keyboard cat' }));
+ *     app.use(passport.initialize());
+ *     app.use(passport.session());
+ *
+ * Options:
+ *   - `pauseStream`      Pause the request stream before deserializing the user
+ *                        object from the session.  Defaults to _false_.  Should
+ *                        be set to true in cases where middleware consuming the
+ *                        request body is configured after passport and the
+ *                        deserializeUser method is asynchronous.
+ *
+ * @param {Object} options
+ * @return {Function} middleware
+ * @api public
+ */
+Authenticator.prototype.session = function(options) {
+  return this.authenticate('session', options);
+};
+
+// TODO: Make session manager pluggable
+/*
+Authenticator.prototype.sessionManager = function(mgr) {
+  this._sm = mgr;
+  return this;
+}
+*/
+
+/**
+ * Registers a function used to serialize user objects into the session.
+ *
+ * Examples:
+ *
+ *     passport.serializeUser(function(user, done) {
+ *       done(null, user.id);
+ *     });
+ *
+ * @api public
+ */
+Authenticator.prototype.serializeUser = function(fn, req, done) {
+  if (typeof fn === 'function') {
+    return this._serializers.push(fn);
+  }
+  
+  // private implementation that traverses the chain of serializers, attempting
+  // to serialize a user
+  var user = fn;
+
+  // For backwards compatibility
+  if (typeof req === 'function') {
+    done = req;
+    req = undefined;
+  }
+  
+  var stack = this._serializers;
+  (function pass(i, err, obj) {
+    // serializers use 'pass' as an error to skip processing
+    if ('pass' === err) {
+      err = undefined;
+    }
+    // an error or serialized object was obtained, done
+    if (err || obj || obj === 0) { return done(err, obj); }
+    
+    var layer = stack[i];
+    if (!layer) {
+      return done(new Error('Failed to serialize user into session'));
+    }
+    
+    
+    function serialized(e, o) {
+      pass(i + 1, e, o);
+    }
+    
+    try {
+      var arity = layer.length;
+      if (arity == 3) {
+        layer(req, user, serialized);
+      } else {
+        layer(user, serialized);
+      }
+    } catch(e) {
+      return done(e);
+    }
+  })(0);
+};
+
+/**
+ * Registers a function used to deserialize user objects out of the session.
+ *
+ * Examples:
+ *
+ *     passport.deserializeUser(function(id, done) {
+ *       User.findById(id, function (err, user) {
+ *         done(err, user);
+ *       });
+ *     });
+ *
+ * @api public
+ */
+Authenticator.prototype.deserializeUser = function(fn, req, done) {
+  if (typeof fn === 'function') {
+    return this._deserializers.push(fn);
+  }
+  
+  // private implementation that traverses the chain of deserializers,
+  // attempting to deserialize a user
+  var obj = fn;
+
+  // For backwards compatibility
+  if (typeof req === 'function') {
+    done = req;
+    req = undefined;
+  }
+  
+  var stack = this._deserializers;
+  (function pass(i, err, user) {
+    // deserializers use 'pass' as an error to skip processing
+    if ('pass' === err) {
+      err = undefined;
+    }
+    // an error or deserialized user was obtained, done
+    if (err || user) { return done(err, user); }
+    // a valid user existed when establishing the session, but that user has
+    // since been removed
+    if (user === null || user === false) { return done(null, false); }
+    
+    var layer = stack[i];
+    if (!layer) {
+      return done(new Error('Failed to deserialize user out of session'));
+    }
+    
+    
+    function deserialized(e, u) {
+      pass(i + 1, e, u);
+    }
+    
+    try {
+      var arity = layer.length;
+      if (arity == 3) {
+        layer(req, obj, deserialized);
+      } else {
+        layer(obj, deserialized);
+      }
+    } catch(e) {
+      return done(e);
+    }
+  })(0);
+};
+
+/**
+ * Registers a function used to transform auth info.
+ *
+ * In some circumstances authorization details are contained in authentication
+ * credentials or loaded as part of verification.
+ *
+ * For example, when using bearer tokens for API authentication, the tokens may
+ * encode (either directly or indirectly in a database), details such as scope
+ * of access or the client to which the token was issued.
+ *
+ * Such authorization details should be enforced separately from authentication.
+ * Because Passport deals only with the latter, this is the responsiblity of
+ * middleware or routes further along the chain.  However, it is not optimal to
+ * decode the same data or execute the same database query later.  To avoid
+ * this, Passport accepts optional `info` along with the authenticated `user`
+ * in a strategy's `success()` action.  This info is set at `req.authInfo`,
+ * where said later middlware or routes can access it.
+ *
+ * Optionally, applications can register transforms to proccess this info,
+ * which take effect prior to `req.authInfo` being set.  This is useful, for
+ * example, when the info contains a client ID.  The transform can load the
+ * client from the database and include the instance in the transformed info,
+ * allowing the full set of client properties to be convieniently accessed.
+ *
+ * If no transforms are registered, `info` supplied by the strategy will be left
+ * unmodified.
+ *
+ * Examples:
+ *
+ *     passport.transformAuthInfo(function(info, done) {
+ *       Client.findById(info.clientID, function (err, client) {
+ *         info.client = client;
+ *         done(err, info);
+ *       });
+ *     });
+ *
+ * @api public
+ */
+Authenticator.prototype.transformAuthInfo = function(fn, req, done) {
+  if (typeof fn === 'function') {
+    return this._infoTransformers.push(fn);
+  }
+  
+  // private implementation that traverses the chain of transformers,
+  // attempting to transform auth info
+  var info = fn;
+
+  // For backwards compatibility
+  if (typeof req === 'function') {
+    done = req;
+    req = undefined;
+  }
+  
+  var stack = this._infoTransformers;
+  (function pass(i, err, tinfo) {
+    // transformers use 'pass' as an error to skip processing
+    if ('pass' === err) {
+      err = undefined;
+    }
+    // an error or transformed info was obtained, done
+    if (err || tinfo) { return done(err, tinfo); }
+    
+    var layer = stack[i];
+    if (!layer) {
+      // if no transformers are registered (or they all pass), the default
+      // behavior is to use the un-transformed info as-is
+      return done(null, info);
+    }
+    
+    
+    function transformed(e, t) {
+      pass(i + 1, e, t);
+    }
+    
+    try {
+      var arity = layer.length;
+      if (arity == 1) {
+        // sync
+        var t = layer(info);
+        transformed(null, t);
+      } else if (arity == 3) {
+        layer(req, info, transformed);
+      } else {
+        layer(info, transformed);
+      }
+    } catch(e) {
+      return done(e);
+    }
+  })(0);
+};
+
+/**
+ * Return strategy with given `name`. 
+ *
+ * @param {String} name
+ * @return {Strategy}
+ * @api private
+ */
+Authenticator.prototype._strategy = function(name) {
+  return this._strategies[name];
+};
+
+
+/**
+ * Expose `Authenticator`.
+ */
+module.exports = Authenticator;
diff --git a/node_modules/passport/lib/errors/authenticationerror.js b/node_modules/passport/lib/errors/authenticationerror.js
new file mode 100644
index 000000000..2b1da147e
--- /dev/null
+++ b/node_modules/passport/lib/errors/authenticationerror.js
@@ -0,0 +1,20 @@
+/**
+ * `AuthenticationError` error.
+ *
+ * @constructor
+ * @api private
+ */
+function AuthenticationError(message, status) {
+  Error.call(this);
+  Error.captureStackTrace(this, arguments.callee);
+  this.name = 'AuthenticationError';
+  this.message = message;
+  this.status = status || 401;
+}
+
+// Inherit from `Error`.
+AuthenticationError.prototype.__proto__ = Error.prototype;
+
+
+// Expose constructor.
+module.exports = AuthenticationError;
diff --git a/node_modules/passport/lib/framework/connect.js b/node_modules/passport/lib/framework/connect.js
new file mode 100644
index 000000000..7d2db6e12
--- /dev/null
+++ b/node_modules/passport/lib/framework/connect.js
@@ -0,0 +1,22 @@
+/**
+ * Module dependencies.
+ */
+var initialize = require('../middleware/initialize')
+  , authenticate = require('../middleware/authenticate');
+  
+/**
+ * Framework support for Connect/Express.
+ *
+ * This module provides support for using Passport with Express.  It exposes
+ * middleware that conform to the `fn(req, res, next)` signature.
+ *
+ * @return {Object}
+ * @api protected
+ */
+exports = module.exports = function() {
+  
+  return {
+    initialize: initialize,
+    authenticate: authenticate
+  };
+};
diff --git a/node_modules/passport/lib/http/request.js b/node_modules/passport/lib/http/request.js
new file mode 100644
index 000000000..019853932
--- /dev/null
+++ b/node_modules/passport/lib/http/request.js
@@ -0,0 +1,82 @@
+var req = exports = module.exports = {};
+
+/**
+ * Initiate a login session for `user`.
+ *
+ * Options:
+ *   - `session`  Save login state in session, defaults to _true_
+ *
+ * Examples:
+ *
+ *     req.logIn(user, { session: false });
+ *
+ *     req.logIn(user, function(err) {
+ *       if (err) { throw err; }
+ *       // session saved
+ *     });
+ *
+ * @param {User} user
+ * @param {Object} options
+ * @param {Function} done
+ * @api public
+ */
+req.login =
+req.logIn = function(user, options, done) {
+  if (typeof options == 'function') {
+    done = options;
+    options = {};
+  }
+  options = options || {};
+  
+  var property = this._userProperty || 'user';
+  var session = (options.session === undefined) ? true : options.session;
+  
+  this[property] = user;
+  if (session && this._sessionManager) {
+    if (typeof done != 'function') { throw new Error('req#login requires a callback function'); }
+    
+    var self = this;
+    this._sessionManager.logIn(this, user, function(err) {
+      if (err) { self[property] = null; return done(err); }
+      done();
+    });
+  } else {
+    done && done();
+  }
+};
+
+/**
+ * Terminate an existing login session.
+ *
+ * @api public
+ */
+req.logout =
+req.logOut = function() {
+  var property = this._userProperty || 'user';
+  
+  this[property] = null;
+  if (this._sessionManager) {
+    this._sessionManager.logOut(this);
+  }
+};
+
+/**
+ * Test if request is authenticated.
+ *
+ * @return {Boolean}
+ * @api public
+ */
+req.isAuthenticated = function() {
+  var property = this._userProperty || 'user';
+  return (this[property]) ? true : false;
+};
+
+/**
+ * Test if request is unauthenticated.
+ *
+ * @return {Boolean}
+ * @api public
+ */
+req.isUnauthenticated = function() {
+  return !this.isAuthenticated();
+};
diff --git a/node_modules/passport/lib/index.js b/node_modules/passport/lib/index.js
new file mode 100644
index 000000000..ab1746914
--- /dev/null
+++ b/node_modules/passport/lib/index.js
@@ -0,0 +1,26 @@
+/**
+ * Module dependencies.
+ */
+var Passport = require('./authenticator')
+  , SessionStrategy = require('./strategies/session');
+
+
+/**
+ * Export default singleton.
+ *
+ * @api public
+ */
+exports = module.exports = new Passport();
+
+/**
+ * Expose constructors.
+ */
+exports.Passport =
+exports.Authenticator = Passport;
+exports.Strategy = require('passport-strategy');
+
+/**
+ * Expose strategies.
+ */
+exports.strategies = {};
+exports.strategies.SessionStrategy = SessionStrategy;
diff --git a/node_modules/passport/lib/middleware/authenticate.js b/node_modules/passport/lib/middleware/authenticate.js
new file mode 100644
index 000000000..ce290f211
--- /dev/null
+++ b/node_modules/passport/lib/middleware/authenticate.js
@@ -0,0 +1,372 @@
+/**
+ * Module dependencies.
+ */
+var http = require('http')
+  , IncomingMessageExt = require('../http/request')
+  , AuthenticationError = require('../errors/authenticationerror');
+
+
+/**
+ * Authenticates requests.
+ *
+ * Applies the `name`ed strategy (or strategies) to the incoming request, in
+ * order to authenticate the request.  If authentication is successful, the user
+ * will be logged in and populated at `req.user` and a session will be
+ * established by default.  If authentication fails, an unauthorized response
+ * will be sent.
+ *
+ * Options:
+ *   - `session`          Save login state in session, defaults to _true_
+ *   - `successRedirect`  After successful login, redirect to given URL
+ *   - `successMessage`   True to store success message in
+ *                        req.session.messages, or a string to use as override
+ *                        message for success.
+ *   - `successFlash`     True to flash success messages or a string to use as a flash
+ *                        message for success (overrides any from the strategy itself).
+ *   - `failureRedirect`  After failed login, redirect to given URL
+ *   - `failureMessage`   True to store failure message in
+ *                        req.session.messages, or a string to use as override
+ *                        message for failure.
+ *   - `failureFlash`     True to flash failure messages or a string to use as a flash
+ *                        message for failures (overrides any from the strategy itself).
+ *   - `assignProperty`   Assign the object provided by the verify callback to given property
+ *
+ * An optional `callback` can be supplied to allow the application to override
+ * the default manner in which authentication attempts are handled.  The
+ * callback has the following signature, where `user` will be set to the
+ * authenticated user on a successful authentication attempt, or `false`
+ * otherwise.  An optional `info` argument will be passed, containing additional
+ * details provided by the strategy's verify callback - this could be information about
+ * a successful authentication or a challenge message for a failed authentication.
+ * An optional `status` argument will be passed when authentication fails - this could
+ * be a HTTP response code for a remote authentication failure or similar.
+ *
+ *     app.get('/protected', function(req, res, next) {
+ *       passport.authenticate('local', function(err, user, info, status) {
+ *         if (err) { return next(err) }
+ *         if (!user) { return res.redirect('/signin') }
+ *         res.redirect('/account');
+ *       })(req, res, next);
+ *     });
+ *
+ * Note that if a callback is supplied, it becomes the application's
+ * responsibility to log-in the user, establish a session, and otherwise perform
+ * the desired operations.
+ *
+ * Examples:
+ *
+ *     passport.authenticate('local', { successRedirect: '/', failureRedirect: '/login' });
+ *
+ *     passport.authenticate('basic', { session: false });
+ *
+ *     passport.authenticate('twitter');
+ *
+ * @param {Strategy|String|Array} name
+ * @param {Object} options
+ * @param {Function} callback
+ * @return {Function}
+ * @api public
+ */
+module.exports = function authenticate(passport, name, options, callback) {
+  if (typeof options == 'function') {
+    callback = options;
+    options = {};
+  }
+  options = options || {};
+  
+  var multi = true;
+  
+  // Cast `name` to an array, allowing authentication to pass through a chain of
+  // strategies.  The first strategy to succeed, redirect, or error will halt
+  // the chain.  Authentication failures will proceed through each strategy in
+  // series, ultimately failing if all strategies fail.
+  //
+  // This is typically used on API endpoints to allow clients to authenticate
+  // using their preferred choice of Basic, Digest, token-based schemes, etc.
+  // It is not feasible to construct a chain of multiple strategies that involve
+  // redirection (for example both Facebook and Twitter), since the first one to
+  // redirect will halt the chain.
+  if (!Array.isArray(name)) {
+    name = [ name ];
+    multi = false;
+  }
+  
+  return function authenticate(req, res, next) {
+    req.login =
+    req.logIn = req.logIn || IncomingMessageExt.logIn;
+    req.logout =
+    req.logOut = req.logOut || IncomingMessageExt.logOut;
+    req.isAuthenticated = req.isAuthenticated || IncomingMessageExt.isAuthenticated;
+    req.isUnauthenticated = req.isUnauthenticated || IncomingMessageExt.isUnauthenticated;
+    
+    req._sessionManager = passport._sm;
+    
+    // accumulator for failures from each strategy in the chain
+    var failures = [];
+    
+    function allFailed() {
+      if (callback) {
+        if (!multi) {
+          return callback(null, false, failures[0].challenge, failures[0].status);
+        } else {
+          var challenges = failures.map(function(f) { return f.challenge; });
+          var statuses = failures.map(function(f) { return f.status; });
+          return callback(null, false, challenges, statuses);
+        }
+      }
+      
+      // Strategies are ordered by priority.  For the purpose of flashing a
+      // message, the first failure will be displayed.
+      var failure = failures[0] || {}
+        , challenge = failure.challenge || {}
+        , msg;
+    
+      if (options.failureFlash) {
+        var flash = options.failureFlash;
+        if (typeof flash == 'string') {
+          flash = { type: 'error', message: flash };
+        }
+        flash.type = flash.type || 'error';
+      
+        var type = flash.type || challenge.type || 'error';
+        msg = flash.message || challenge.message || challenge;
+        if (typeof msg == 'string') {
+          req.flash(type, msg);
+        }
+      }
+      if (options.failureMessage) {
+        msg = options.failureMessage;
+        if (typeof msg == 'boolean') {
+          msg = challenge.message || challenge;
+        }
+        if (typeof msg == 'string') {
+          req.session.messages = req.session.messages || [];
+          req.session.messages.push(msg);
+        }
+      }
+      if (options.failureRedirect) {
+        return res.redirect(options.failureRedirect);
+      }
+    
+      // When failure handling is not delegated to the application, the default
+      // is to respond with 401 Unauthorized.  Note that the WWW-Authenticate
+      // header will be set according to the strategies in use (see
+      // actions#fail).  If multiple strategies failed, each of their challenges
+      // will be included in the response.
+      var rchallenge = []
+        , rstatus, status;
+      
+      for (var j = 0, len = failures.length; j < len; j++) {
+        failure = failures[j];
+        challenge = failure.challenge;
+        status = failure.status;
+          
+        rstatus = rstatus || status;
+        if (typeof challenge == 'string') {
+          rchallenge.push(challenge);
+        }
+      }
+    
+      res.statusCode = rstatus || 401;
+      if (res.statusCode == 401 && rchallenge.length) {
+        res.setHeader('WWW-Authenticate', rchallenge);
+      }
+      if (options.failWithError) {
+        return next(new AuthenticationError(http.STATUS_CODES[res.statusCode], rstatus));
+      }
+      res.end(http.STATUS_CODES[res.statusCode]);
+    }
+    
+    (function attempt(i) {
+      var layer = name[i];
+      // If no more strategies exist in the chain, authentication has failed.
+      if (!layer) { return allFailed(); }
+    
+      // Get the strategy, which will be used as prototype from which to create
+      // a new instance.  Action functions will then be bound to the strategy
+      // within the context of the HTTP request/response pair.
+      var strategy, prototype;
+      if (typeof layer.authenticate == 'function') {
+        strategy = layer;
+      } else {
+        prototype = passport._strategy(layer);
+        if (!prototype) { return next(new Error('Unknown authentication strategy "' + layer + '"')); }
+        
+        strategy = Object.create(prototype);
+      }
+      
+      
+      // ----- BEGIN STRATEGY AUGMENTATION -----
+      // Augment the new strategy instance with action functions.  These action
+      // functions are bound via closure the the request/response pair.  The end
+      // goal of the strategy is to invoke *one* of these action methods, in
+      // order to indicate successful or failed authentication, redirect to a
+      // third-party identity provider, etc.
+      
+      /**
+       * Authenticate `user`, with optional `info`.
+       *
+       * Strategies should call this function to successfully authenticate a
+       * user.  `user` should be an object supplied by the application after it
+       * has been given an opportunity to verify credentials.  `info` is an
+       * optional argument containing additional user information.  This is
+       * useful for third-party authentication strategies to pass profile
+       * details.
+       *
+       * @param {Object} user
+       * @param {Object} info
+       * @api public
+       */
+      strategy.success = function(user, info) {
+        if (callback) {
+          return callback(null, user, info);
+        }
+      
+        info = info || {};
+        var msg;
+      
+        if (options.successFlash) {
+          var flash = options.successFlash;
+          if (typeof flash == 'string') {
+            flash = { type: 'success', message: flash };
+          }
+          flash.type = flash.type || 'success';
+        
+          var type = flash.type || info.type || 'success';
+          msg = flash.message || info.message || info;
+          if (typeof msg == 'string') {
+            req.flash(type, msg);
+          }
+        }
+        if (options.successMessage) {
+          msg = options.successMessage;
+          if (typeof msg == 'boolean') {
+            msg = info.message || info;
+          }
+          if (typeof msg == 'string') {
+            req.session.messages = req.session.messages || [];
+            req.session.messages.push(msg);
+          }
+        }
+        if (options.assignProperty) {
+          req[options.assignProperty] = user;
+          return next();
+        }
+      
+        req.logIn(user, options, function(err) {
+          if (err) { return next(err); }
+          
+          function complete() {
+            if (options.successReturnToOrRedirect) {
+              var url = options.successReturnToOrRedirect;
+              if (req.session && req.session.returnTo) {
+                url = req.session.returnTo;
+                delete req.session.returnTo;
+              }
+              return res.redirect(url);
+            }
+            if (options.successRedirect) {
+              return res.redirect(options.successRedirect);
+            }
+            next();
+          }
+          
+          if (options.authInfo !== false) {
+            passport.transformAuthInfo(info, req, function(err, tinfo) {
+              if (err) { return next(err); }
+              req.authInfo = tinfo;
+              complete();
+            });
+          } else {
+            complete();
+          }
+        });
+      };
+      
+      /**
+       * Fail authentication, with optional `challenge` and `status`, defaulting
+       * to 401.
+       *
+       * Strategies should call this function to fail an authentication attempt.
+       *
+       * @param {String} challenge
+       * @param {Number} status
+       * @api public
+       */
+      strategy.fail = function(challenge, status) {
+        if (typeof challenge == 'number') {
+          status = challenge;
+          challenge = undefined;
+        }
+        
+        // push this failure into the accumulator and attempt authentication
+        // using the next strategy
+        failures.push({ challenge: challenge, status: status });
+        attempt(i + 1);
+      };
+      
+      /**
+       * Redirect to `url` with optional `status`, defaulting to 302.
+       *
+       * Strategies should call this function to redirect the user (via their
+       * user agent) to a third-party website for authentication.
+       *
+       * @param {String} url
+       * @param {Number} status
+       * @api public
+       */
+      strategy.redirect = function(url, status) {
+        // NOTE: Do not use `res.redirect` from Express, because it can't decide
+        //       what it wants.
+        //
+        //       Express 2.x: res.redirect(url, status)
+        //       Express 3.x: res.redirect(status, url) -OR- res.redirect(url, status)
+        //         - as of 3.14.0, deprecated warnings are issued if res.redirect(url, status)
+        //           is used
+        //       Express 4.x: res.redirect(status, url)
+        //         - all versions (as of 4.8.7) continue to accept res.redirect(url, status)
+        //           but issue deprecated versions
+        
+        res.statusCode = status || 302;
+        res.setHeader('Location', url);
+        res.setHeader('Content-Length', '0');
+        res.end();
+      };
+      
+      /**
+       * Pass without making a success or fail decision.
+       *
+       * Under most circumstances, Strategies should not need to call this
+       * function.  It exists primarily to allow previous authentication state
+       * to be restored, for example from an HTTP session.
+       *
+       * @api public
+       */
+      strategy.pass = function() {
+        next();
+      };
+      
+      /**
+       * Internal error while performing authentication.
+       *
+       * Strategies should call this function when an internal error occurs
+       * during the process of performing authentication; for example, if the
+       * user directory is not available.
+       *
+       * @param {Error} err
+       * @api public
+       */
+      strategy.error = function(err) {
+        if (callback) {
+          return callback(err);
+        }
+        
+        next(err);
+      };
+      
+      // ----- END STRATEGY AUGMENTATION -----
+    
+      strategy.authenticate(req, options);
+    })(0); // attempt
+  };
+};
diff --git a/node_modules/passport/lib/middleware/initialize.js b/node_modules/passport/lib/middleware/initialize.js
new file mode 100644
index 000000000..0b6306df2
--- /dev/null
+++ b/node_modules/passport/lib/middleware/initialize.js
@@ -0,0 +1,100 @@
+/**
+ * Module dependencies.
+ */
+var IncomingMessageExt = require('../http/request');
+
+
+/**
+ * Passport initialization.
+ *
+ * Intializes Passport for incoming requests, allowing authentication strategies
+ * to be applied.
+ *
+ * If sessions are being utilized, applications must set up Passport with
+ * functions to serialize a user into and out of a session.  For example, a
+ * common pattern is to serialize just the user ID into the session (due to the
+ * fact that it is desirable to store the minimum amount of data in a session).
+ * When a subsequent request arrives for the session, the full User object can
+ * be loaded from the database by ID.
+ *
+ * Note that additional middleware is required to persist login state, so we
+ * must use the `connect.session()` middleware _before_ `passport.initialize()`.
+ *
+ * If sessions are being used, this middleware must be in use by the
+ * Connect/Express application for Passport to operate.  If the application is
+ * entirely stateless (not using sessions), this middleware is not necessary,
+ * but its use will not have any adverse impact.
+ *
+ * Examples:
+ *
+ *     app.use(connect.cookieParser());
+ *     app.use(connect.session({ secret: 'keyboard cat' }));
+ *     app.use(passport.initialize());
+ *     app.use(passport.session());
+ *
+ *     passport.serializeUser(function(user, done) {
+ *       done(null, user.id);
+ *     });
+ *
+ *     passport.deserializeUser(function(id, done) {
+ *       User.findById(id, function (err, user) {
+ *         done(err, user);
+ *       });
+ *     });
+ *
+ * @return {Function}
+ * @api public
+ */
+module.exports = function initialize(passport, options) {
+  options = options || {};
+  
+  return function initialize(req, res, next) {
+    req.login =
+    req.logIn = req.logIn || IncomingMessageExt.logIn;
+    req.logout =
+    req.logOut = req.logOut || IncomingMessageExt.logOut;
+    req.isAuthenticated = req.isAuthenticated || IncomingMessageExt.isAuthenticated;
+    req.isUnauthenticated = req.isUnauthenticated || IncomingMessageExt.isUnauthenticated;
+    
+    req._sessionManager = passport._sm;
+    
+    if (options.userProperty) {
+      req._userProperty = options.userProperty;
+    }
+    
+    var compat = (options.compat === undefined) ? true : options.compat;
+    if (compat) {
+      // `passport@0.5.1` [removed][1] all internal use of `req._passport`.
+      // From the standpoint of this package, this should have been a
+      // non-breaking change.  However, some strategies (such as `passport-azure-ad`)
+      // depend directly on `passport@0.4.x` or earlier.  `require`-ing earlier
+      // versions of `passport` has the effect of monkeypatching `http.IncomingMessage`
+      // with `logIn`, `logOut`, `isAuthenticated` and `isUnauthenticated`
+      // functions that [expect][2] the `req._passport` property to exist.
+      // Since pre-existing functions on `req` are given [preference][3], this
+      // results in [issues][4].
+      //
+      // The changes here restore the expected properties needed when earlier
+      // versions of `passport` are `require`-ed.  This compatibility mode is
+      // enabled by default, and can be disabld by simply not `use`-ing `passport.initialize()`
+      // middleware or setting `compat: false` as an option to the middleware.
+      //
+      // An alternative approach to addressing this issue would be to not
+      // preferentially use pre-existing functions on `req`, but rather always
+      // overwrite `req.logIn`, etc. with the versions of those functions shiped
+      // with `authenticate()` middleware.  This option should be reconsidered
+      // in a future major version release.
+      //
+      // [1]: https://github.com/jaredhanson/passport/pull/875
+      // [2]: https://github.com/jaredhanson/passport/blob/v0.4.1/lib/http/request.js
+      // [3]: https://github.com/jaredhanson/passport/blob/v0.5.1/lib/middleware/authenticate.js#L96
+      // [4]: https://github.com/jaredhanson/passport/issues/877
+      passport._userProperty = options.userProperty || 'user';
+      
+      req._passport = {};
+      req._passport.instance = passport;
+    }
+    
+    next();
+  };
+};
diff --git a/node_modules/passport/lib/sessionmanager.js b/node_modules/passport/lib/sessionmanager.js
new file mode 100644
index 000000000..3d5c51cad
--- /dev/null
+++ b/node_modules/passport/lib/sessionmanager.js
@@ -0,0 +1,39 @@
+function SessionManager(options, serializeUser) {
+  if (typeof options == 'function') {
+    serializeUser = options;
+    options = undefined;
+  }
+  options = options || {};
+  
+  this._key = options.key || 'passport';
+  this._serializeUser = serializeUser;
+}
+
+SessionManager.prototype.logIn = function(req, user, cb) {
+  var self = this;
+  this._serializeUser(user, req, function(err, obj) {
+    if (err) {
+      return cb(err);
+    }
+    // TODO: Error if session isn't available here.
+    if (!req.session) {
+      req.session = {};
+    }
+    if (!req.session[self._key]) {
+      req.session[self._key] = {};
+    }
+    req.session[self._key].user = obj;
+    cb();
+  });
+}
+
+SessionManager.prototype.logOut = function(req, cb) {
+  if (req.session && req.session[this._key]) {
+    delete req.session[this._key].user;
+  }
+  
+  cb && cb();
+}
+
+
+module.exports = SessionManager;
diff --git a/node_modules/passport/lib/strategies/session.js b/node_modules/passport/lib/strategies/session.js
new file mode 100644
index 000000000..9c6c6dfae
--- /dev/null
+++ b/node_modules/passport/lib/strategies/session.js
@@ -0,0 +1,83 @@
+/**
+ * Module dependencies.
+ */
+var pause = require('pause')
+  , util = require('util')
+  , Strategy = require('passport-strategy');
+
+
+/**
+ * `SessionStrategy` constructor.
+ *
+ * @api public
+ */
+function SessionStrategy(options, deserializeUser) {
+  if (typeof options == 'function') {
+    deserializeUser = options;
+    options = undefined;
+  }
+  options = options || {};
+  
+  Strategy.call(this);
+  this.name = 'session';
+  this._key = options.key || 'passport';
+  this._deserializeUser = deserializeUser;
+}
+
+/**
+ * Inherit from `Strategy`.
+ */
+util.inherits(SessionStrategy, Strategy);
+
+/**
+ * Authenticate request based on the current session state.
+ *
+ * The session authentication strategy uses the session to restore any login
+ * state across requests.  If a login session has been established, `req.user`
+ * will be populated with the current user.
+ *
+ * This strategy is registered automatically by Passport.
+ *
+ * @param {Object} req
+ * @param {Object} options
+ * @api protected
+ */
+SessionStrategy.prototype.authenticate = function(req, options) {
+  if (!req.session) { return this.error(new Error('Login sessions require session support. Did you forget to use `express-session` middleware?')); }
+  options = options || {};
+
+  var self = this, 
+      su;
+  if (req.session[this._key]) {
+    su = req.session[this._key].user;
+  }
+
+  if (su || su === 0) {
+    // NOTE: Stream pausing is desirable in the case where later middleware is
+    //       listening for events emitted from request.  For discussion on the
+    //       matter, refer to: https://github.com/jaredhanson/passport/pull/106
+    
+    var paused = options.pauseStream ? pause(req) : null;
+    this._deserializeUser(su, req, function(err, user) {
+      if (err) { return self.error(err); }
+      if (!user) {
+        delete req.session[self._key].user;
+      } else {
+        var property = req._userProperty || 'user';
+        req[property] = user;
+      }
+      self.pass();
+      if (paused) {
+        paused.resume();
+      }
+    });
+  } else {
+    self.pass();
+  }
+};
+
+
+/**
+ * Expose `SessionStrategy`.
+ */
+module.exports = SessionStrategy;
diff --git a/node_modules/passport/package.json b/node_modules/passport/package.json
new file mode 100644
index 000000000..53cbd2203
--- /dev/null
+++ b/node_modules/passport/package.json
@@ -0,0 +1,55 @@
+{
+  "name": "passport",
+  "version": "0.5.3",
+  "description": "Simple, unobtrusive authentication for Node.js.",
+  "keywords": [
+    "express",
+    "connect",
+    "auth",
+    "authn",
+    "authentication"
+  ],
+  "author": {
+    "name": "Jared Hanson",
+    "email": "jaredhanson@gmail.com",
+    "url": "https://www.jaredhanson.me/"
+  },
+  "homepage": "https://www.passportjs.org/",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/jaredhanson/passport.git"
+  },
+  "bugs": {
+    "url": "https://github.com/jaredhanson/passport/issues"
+  },
+  "funding": {
+    "type": "github",
+    "url": "https://github.com/sponsors/jaredhanson"
+  },
+  "license": "MIT",
+  "licenses": [
+    {
+      "type": "MIT",
+      "url": "https://opensource.org/licenses/MIT"
+    }
+  ],
+  "main": "./lib",
+  "dependencies": {
+    "passport-strategy": "1.x.x",
+    "pause": "0.0.1"
+  },
+  "devDependencies": {
+    "make-node": "0.3.x",
+    "mocha": "2.x.x",
+    "chai": "2.x.x",
+    "chai-connect-middleware": "0.3.x",
+    "chai-passport-strategy": "0.2.x",
+    "proxyquire": "1.4.x"
+  },
+  "engines": {
+    "node": ">= 0.4.0"
+  },
+  "scripts": {
+    "test": "node_modules/.bin/mocha --reporter spec --require test/bootstrap/node test/*.test.js test/**/*.test.js"
+  }
+}
diff --git a/node_modules/passport/sponsors/loginradius.png b/node_modules/passport/sponsors/loginradius.png
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diff --git a/node_modules/passport/sponsors/snyk.png b/node_modules/passport/sponsors/snyk.png
new file mode 100644
index 000000000..b14de59b4
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diff --git a/node_modules/passport/sponsors/workos.png b/node_modules/passport/sponsors/workos.png
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diff --git a/node_modules/path-to-regexp/History.md b/node_modules/path-to-regexp/History.md
new file mode 100644
index 000000000..7f6587846
--- /dev/null
+++ b/node_modules/path-to-regexp/History.md
@@ -0,0 +1,36 @@
+0.1.7 / 2015-07-28
+==================
+
+  * Fixed regression with escaped round brackets and matching groups.
+
+0.1.6 / 2015-06-19
+==================
+
+  * Replace `index` feature by outputting all parameters, unnamed and named.
+
+0.1.5 / 2015-05-08
+==================
+
+  * Add an index property for position in match result.
+
+0.1.4 / 2015-03-05
+==================
+
+  * Add license information
+
+0.1.3 / 2014-07-06
+==================
+
+  * Better array support
+  * Improved support for trailing slash in non-ending mode
+
+0.1.0 / 2014-03-06
+==================
+
+  * add options.end
+
+0.0.2 / 2013-02-10
+==================
+
+  * Update to match current express
+  * add .license property to component.json
diff --git a/node_modules/path-to-regexp/LICENSE b/node_modules/path-to-regexp/LICENSE
new file mode 100644
index 000000000..983fbe8ae
--- /dev/null
+++ b/node_modules/path-to-regexp/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Blake Embrey (hello@blakeembrey.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/path-to-regexp/Readme.md b/node_modules/path-to-regexp/Readme.md
new file mode 100644
index 000000000..95452a6e9
--- /dev/null
+++ b/node_modules/path-to-regexp/Readme.md
@@ -0,0 +1,35 @@
+# Path-to-RegExp
+
+Turn an Express-style path string such as `/user/:name` into a regular expression.
+
+**Note:** This is a legacy branch. You should upgrade to `1.x`.
+
+## Usage
+
+```javascript
+var pathToRegexp = require('path-to-regexp');
+```
+
+### pathToRegexp(path, keys, options)
+
+ - **path** A string in the express format, an array of such strings, or a regular expression
+ - **keys** An array to be populated with the keys present in the url.  Once the function completes, this will be an array of strings.
+ - **options**
+   - **options.sensitive** Defaults to false, set this to true to make routes case sensitive
+   - **options.strict** Defaults to false, set this to true to make the trailing slash matter.
+   - **options.end** Defaults to true, set this to false to only match the prefix of the URL.
+
+```javascript
+var keys = [];
+var exp = pathToRegexp('/foo/:bar', keys);
+//keys = ['bar']
+//exp = /^\/foo\/(?:([^\/]+?))\/?$/i
+```
+
+## Live Demo
+
+You can see a live demo of this library in use at [express-route-tester](http://forbeslindesay.github.com/express-route-tester/).
+
+## License
+
+  MIT
diff --git a/node_modules/path-to-regexp/index.js b/node_modules/path-to-regexp/index.js
new file mode 100644
index 000000000..500d1dad0
--- /dev/null
+++ b/node_modules/path-to-regexp/index.js
@@ -0,0 +1,129 @@
+/**
+ * Expose `pathtoRegexp`.
+ */
+
+module.exports = pathtoRegexp;
+
+/**
+ * Match matching groups in a regular expression.
+ */
+var MATCHING_GROUP_REGEXP = /\((?!\?)/g;
+
+/**
+ * Normalize the given path string,
+ * returning a regular expression.
+ *
+ * An empty array should be passed,
+ * which will contain the placeholder
+ * key names. For example "/user/:id" will
+ * then contain ["id"].
+ *
+ * @param  {String|RegExp|Array} path
+ * @param  {Array} keys
+ * @param  {Object} options
+ * @return {RegExp}
+ * @api private
+ */
+
+function pathtoRegexp(path, keys, options) {
+  options = options || {};
+  keys = keys || [];
+  var strict = options.strict;
+  var end = options.end !== false;
+  var flags = options.sensitive ? '' : 'i';
+  var extraOffset = 0;
+  var keysOffset = keys.length;
+  var i = 0;
+  var name = 0;
+  var m;
+
+  if (path instanceof RegExp) {
+    while (m = MATCHING_GROUP_REGEXP.exec(path.source)) {
+      keys.push({
+        name: name++,
+        optional: false,
+        offset: m.index
+      });
+    }
+
+    return path;
+  }
+
+  if (Array.isArray(path)) {
+    // Map array parts into regexps and return their source. We also pass
+    // the same keys and options instance into every generation to get
+    // consistent matching groups before we join the sources together.
+    path = path.map(function (value) {
+      return pathtoRegexp(value, keys, options).source;
+    });
+
+    return new RegExp('(?:' + path.join('|') + ')', flags);
+  }
+
+  path = ('^' + path + (strict ? '' : path[path.length - 1] === '/' ? '?' : '/?'))
+    .replace(/\/\(/g, '/(?:')
+    .replace(/([\/\.])/g, '\\$1')
+    .replace(/(\\\/)?(\\\.)?:(\w+)(\(.*?\))?(\*)?(\?)?/g, function (match, slash, format, key, capture, star, optional, offset) {
+      slash = slash || '';
+      format = format || '';
+      capture = capture || '([^\\/' + format + ']+?)';
+      optional = optional || '';
+
+      keys.push({
+        name: key,
+        optional: !!optional,
+        offset: offset + extraOffset
+      });
+
+      var result = ''
+        + (optional ? '' : slash)
+        + '(?:'
+        + format + (optional ? slash : '') + capture
+        + (star ? '((?:[\\/' + format + '].+?)?)' : '')
+        + ')'
+        + optional;
+
+      extraOffset += result.length - match.length;
+
+      return result;
+    })
+    .replace(/\*/g, function (star, index) {
+      var len = keys.length
+
+      while (len-- > keysOffset && keys[len].offset > index) {
+        keys[len].offset += 3; // Replacement length minus asterisk length.
+      }
+
+      return '(.*)';
+    });
+
+  // This is a workaround for handling unnamed matching groups.
+  while (m = MATCHING_GROUP_REGEXP.exec(path)) {
+    var escapeCount = 0;
+    var index = m.index;
+
+    while (path.charAt(--index) === '\\') {
+      escapeCount++;
+    }
+
+    // It's possible to escape the bracket.
+    if (escapeCount % 2 === 1) {
+      continue;
+    }
+
+    if (keysOffset + i === keys.length || keys[keysOffset + i].offset > m.index) {
+      keys.splice(keysOffset + i, 0, {
+        name: name++, // Unnamed matching groups must be consistently linear.
+        optional: false,
+        offset: m.index
+      });
+    }
+
+    i++;
+  }
+
+  // If the path is non-ending, match until the end or a slash.
+  path += (end ? '$' : (path[path.length - 1] === '/' ? '' : '(?=\\/|$)'));
+
+  return new RegExp(path, flags);
+};
diff --git a/node_modules/path-to-regexp/package.json b/node_modules/path-to-regexp/package.json
new file mode 100644
index 000000000..d4e51b574
--- /dev/null
+++ b/node_modules/path-to-regexp/package.json
@@ -0,0 +1,30 @@
+{
+  "name": "path-to-regexp",
+  "description": "Express style path to RegExp utility",
+  "version": "0.1.7",
+  "files": [
+    "index.js",
+    "LICENSE"
+  ],
+  "scripts": {
+    "test": "istanbul cover _mocha -- -R spec"
+  },
+  "keywords": [
+    "express",
+    "regexp"
+  ],
+  "component": {
+    "scripts": {
+      "path-to-regexp": "index.js"
+    }
+  },
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/component/path-to-regexp.git"
+  },
+  "devDependencies": {
+    "mocha": "^1.17.1",
+    "istanbul": "^0.2.6"
+  }
+}
diff --git a/node_modules/pause/.npmignore b/node_modules/pause/.npmignore
new file mode 100644
index 000000000..f1250e584
--- /dev/null
+++ b/node_modules/pause/.npmignore
@@ -0,0 +1,4 @@
+support
+test
+examples
+*.sock
diff --git a/node_modules/pause/History.md b/node_modules/pause/History.md
new file mode 100644
index 000000000..c8aa68fa8
--- /dev/null
+++ b/node_modules/pause/History.md
@@ -0,0 +1,5 @@
+
+0.0.1 / 2010-01-03
+==================
+
+  * Initial release
diff --git a/node_modules/pause/Makefile b/node_modules/pause/Makefile
new file mode 100644
index 000000000..4e9c8d36e
--- /dev/null
+++ b/node_modules/pause/Makefile
@@ -0,0 +1,7 @@
+
+test:
+	@./node_modules/.bin/mocha \
+		--require should \
+		--reporter spec
+
+.PHONY: test
\ No newline at end of file
diff --git a/node_modules/pause/Readme.md b/node_modules/pause/Readme.md
new file mode 100644
index 000000000..1cdd68a2a
--- /dev/null
+++ b/node_modules/pause/Readme.md
@@ -0,0 +1,29 @@
+
+# pause
+
+  Pause streams...
+
+## License 
+
+(The MIT License)
+
+Copyright (c) 2012 TJ Holowaychuk &lt;tj@vision-media.ca&gt;
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/pause/index.js b/node_modules/pause/index.js
new file mode 100644
index 000000000..1b7b37948
--- /dev/null
+++ b/node_modules/pause/index.js
@@ -0,0 +1,29 @@
+
+module.exports = function(obj){
+  var onData
+    , onEnd
+    , events = [];
+
+  // buffer data
+  obj.on('data', onData = function(data, encoding){
+    events.push(['data', data, encoding]);
+  });
+
+  // buffer end
+  obj.on('end', onEnd = function(data, encoding){
+    events.push(['end', data, encoding]);
+  });
+
+  return {
+    end: function(){
+      obj.removeListener('data', onData);
+      obj.removeListener('end', onEnd);
+    },
+    resume: function(){
+      this.end();
+      for (var i = 0, len = events.length; i < len; ++i) {
+        obj.emit.apply(obj, events[i]);
+      }
+    }
+  };
+};
\ No newline at end of file
diff --git a/node_modules/pause/package.json b/node_modules/pause/package.json
new file mode 100644
index 000000000..ae472ac81
--- /dev/null
+++ b/node_modules/pause/package.json
@@ -0,0 +1,13 @@
+{
+  "name": "pause",
+  "version": "0.0.1",
+  "description": "Pause streams...",
+  "keywords": [],
+  "author": "TJ Holowaychuk <tj@vision-media.ca>",
+  "dependencies": {},
+  "devDependencies": {
+    "mocha": "*",
+    "should": "*"
+  },
+  "main": "index"
+}
\ No newline at end of file
diff --git a/node_modules/performance-now/.npmignore b/node_modules/performance-now/.npmignore
new file mode 100644
index 000000000..496ee2ca6
--- /dev/null
+++ b/node_modules/performance-now/.npmignore
@@ -0,0 +1 @@
+.DS_Store
\ No newline at end of file
diff --git a/node_modules/performance-now/.tm_properties b/node_modules/performance-now/.tm_properties
new file mode 100644
index 000000000..4b8eb3f61
--- /dev/null
+++ b/node_modules/performance-now/.tm_properties
@@ -0,0 +1,7 @@
+excludeDirectories = "{.git,node_modules}"
+excludeInFolderSearch = "{excludeDirectories,lib}"
+
+includeFiles = "{.gitignore,.npmignore,.travis.yml}"
+
+[ attr.untitled ]
+fileType = 'source.coffee'
\ No newline at end of file
diff --git a/node_modules/performance-now/.travis.yml b/node_modules/performance-now/.travis.yml
new file mode 100644
index 000000000..1543c1990
--- /dev/null
+++ b/node_modules/performance-now/.travis.yml
@@ -0,0 +1,6 @@
+language: node_js
+node_js:
+  - "node"
+  - "6"
+  - "4"
+  - "0.12"
diff --git a/node_modules/performance-now/README.md b/node_modules/performance-now/README.md
new file mode 100644
index 000000000..28080f856
--- /dev/null
+++ b/node_modules/performance-now/README.md
@@ -0,0 +1,30 @@
+# performance-now [![Build Status](https://travis-ci.org/braveg1rl/performance-now.png?branch=master)](https://travis-ci.org/braveg1rl/performance-now) [![Dependency Status](https://david-dm.org/braveg1rl/performance-now.png)](https://david-dm.org/braveg1rl/performance-now)
+
+Implements a function similar to `performance.now` (based on `process.hrtime`).
+
+Modern browsers have a `window.performance` object with - among others - a `now` method which gives time in milliseconds, but with sub-millisecond precision. This module offers the same function based on the Node.js native `process.hrtime` function.
+
+Using `process.hrtime` means that the reported time will be monotonically increasing, and not subject to clock-drift.
+
+According to the [High Resolution Time specification](http://www.w3.org/TR/hr-time/), the number of milliseconds reported by `performance.now` should be relative to the value of `performance.timing.navigationStart`.
+
+In the current version of the module (2.0) the reported time is relative to the time the current Node process has started (inferred from `process.uptime()`).
+
+Version 1.0 reported a different time. The reported time was relative to the time the module was loaded (i.e. the time it was first `require`d). If you need this functionality, version 1.0 is still available on NPM.
+
+## Example usage
+
+```javascript
+var now = require("performance-now")
+var start = now()
+var end = now()
+console.log(start.toFixed(3)) // the number of milliseconds the current node process is running
+console.log((start-end).toFixed(3)) // ~ 0.002 on my system
+```
+
+Running the now function two times right after each other yields a time difference of a few microseconds. Given this overhead, I think it's best to assume that the precision of intervals computed with this method is not higher than 10 microseconds, if you don't know the exact overhead on your own system.
+
+## License
+
+performance-now is released under the [MIT License](http://opensource.org/licenses/MIT).
+Copyright (c) 2017 Braveg1rl
diff --git a/node_modules/performance-now/lib/performance-now.js b/node_modules/performance-now/lib/performance-now.js
new file mode 100644
index 000000000..37f569da1
--- /dev/null
+++ b/node_modules/performance-now/lib/performance-now.js
@@ -0,0 +1,36 @@
+// Generated by CoffeeScript 1.12.2
+(function() {
+  var getNanoSeconds, hrtime, loadTime, moduleLoadTime, nodeLoadTime, upTime;
+
+  if ((typeof performance !== "undefined" && performance !== null) && performance.now) {
+    module.exports = function() {
+      return performance.now();
+    };
+  } else if ((typeof process !== "undefined" && process !== null) && process.hrtime) {
+    module.exports = function() {
+      return (getNanoSeconds() - nodeLoadTime) / 1e6;
+    };
+    hrtime = process.hrtime;
+    getNanoSeconds = function() {
+      var hr;
+      hr = hrtime();
+      return hr[0] * 1e9 + hr[1];
+    };
+    moduleLoadTime = getNanoSeconds();
+    upTime = process.uptime() * 1e9;
+    nodeLoadTime = moduleLoadTime - upTime;
+  } else if (Date.now) {
+    module.exports = function() {
+      return Date.now() - loadTime;
+    };
+    loadTime = Date.now();
+  } else {
+    module.exports = function() {
+      return new Date().getTime() - loadTime;
+    };
+    loadTime = new Date().getTime();
+  }
+
+}).call(this);
+
+//# sourceMappingURL=performance-now.js.map
diff --git a/node_modules/performance-now/lib/performance-now.js.map b/node_modules/performance-now/lib/performance-now.js.map
new file mode 100644
index 000000000..bef83626d
--- /dev/null
+++ b/node_modules/performance-now/lib/performance-now.js.map
@@ -0,0 +1,10 @@
+{
+  "version": 3,
+  "file": "performance-now.js",
+  "sourceRoot": "..",
+  "sources": [
+    "src/performance-now.coffee"
+  ],
+  "names": [],
+  "mappings": ";AAAA;AAAA,MAAA;;EAAA,IAAG,4DAAA,IAAiB,WAAW,CAAC,GAAhC;IACE,MAAM,CAAC,OAAP,GAAiB,SAAA;aAAG,WAAW,CAAC,GAAZ,CAAA;IAAH,EADnB;GAAA,MAEK,IAAG,oDAAA,IAAa,OAAO,CAAC,MAAxB;IACH,MAAM,CAAC,OAAP,GAAiB,SAAA;aAAG,CAAC,cAAA,CAAA,CAAA,GAAmB,YAApB,CAAA,GAAoC;IAAvC;IACjB,MAAA,GAAS,OAAO,CAAC;IACjB,cAAA,GAAiB,SAAA;AACf,UAAA;MAAA,EAAA,GAAK,MAAA,CAAA;aACL,EAAG,CAAA,CAAA,CAAH,GAAQ,GAAR,GAAc,EAAG,CAAA,CAAA;IAFF;IAGjB,cAAA,GAAiB,cAAA,CAAA;IACjB,MAAA,GAAS,OAAO,CAAC,MAAR,CAAA,CAAA,GAAmB;IAC5B,YAAA,GAAe,cAAA,GAAiB,OAR7B;GAAA,MASA,IAAG,IAAI,CAAC,GAAR;IACH,MAAM,CAAC,OAAP,GAAiB,SAAA;aAAG,IAAI,CAAC,GAAL,CAAA,CAAA,GAAa;IAAhB;IACjB,QAAA,GAAW,IAAI,CAAC,GAAL,CAAA,EAFR;GAAA,MAAA;IAIH,MAAM,CAAC,OAAP,GAAiB,SAAA;aAAO,IAAA,IAAA,CAAA,CAAM,CAAC,OAAP,CAAA,CAAJ,GAAuB;IAA1B;IACjB,QAAA,GAAe,IAAA,IAAA,CAAA,CAAM,CAAC,OAAP,CAAA,EALZ;;AAXL"
+}
\ No newline at end of file
diff --git a/node_modules/performance-now/license.txt b/node_modules/performance-now/license.txt
new file mode 100644
index 000000000..0bf51b460
--- /dev/null
+++ b/node_modules/performance-now/license.txt
@@ -0,0 +1,7 @@
+Copyright (c) 2013 Braveg1rl
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/performance-now/package.json b/node_modules/performance-now/package.json
new file mode 100644
index 000000000..962bfc85f
--- /dev/null
+++ b/node_modules/performance-now/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "performance-now",
+  "description": "Implements performance.now (based on process.hrtime).",
+  "keywords": [],
+  "version": "2.1.0",
+  "author": "Braveg1rl <braveg1rl@outlook.com>",
+  "license": "MIT",
+  "homepage": "https://github.com/braveg1rl/performance-now",
+  "bugs": "https://github.com/braveg1rl/performance-now/issues",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/braveg1rl/performance-now.git"
+  },
+  "private": false,
+  "dependencies": {},
+  "devDependencies": {
+    "bluebird": "^3.4.7",
+    "call-delayed": "^1.0.0",
+    "chai": "^3.5.0",
+    "chai-increasing": "^1.2.0",
+    "coffee-script": "~1.12.2",
+    "mocha": "~3.2.0",
+    "pre-commit": "^1.2.2"
+  },
+  "optionalDependencies": {},
+  "main": "lib/performance-now.js",
+  "scripts": {
+    "build": "mkdir -p lib && rm -rf lib/* && node_modules/.bin/coffee --compile -m --output lib/ src/",
+    "prepublish": "npm test",
+    "pretest": "npm run build",
+    "test": "node_modules/.bin/mocha",
+    "watch": "node_modules/.bin/coffee --watch --compile --output lib/ src/"
+  },
+  "typings": "src/index.d.ts"
+}
diff --git a/node_modules/performance-now/src/index.d.ts b/node_modules/performance-now/src/index.d.ts
new file mode 100644
index 000000000..68dca8edd
--- /dev/null
+++ b/node_modules/performance-now/src/index.d.ts
@@ -0,0 +1,8 @@
+// This file describes the package to typescript.
+
+/**
+ * Returns the number of milliseconds since the page was loaded (if browser)
+ * or the node process was started.
+ */
+declare function now(): number;
+export = now;
diff --git a/node_modules/performance-now/src/performance-now.coffee b/node_modules/performance-now/src/performance-now.coffee
new file mode 100644
index 000000000..a8e075a40
--- /dev/null
+++ b/node_modules/performance-now/src/performance-now.coffee
@@ -0,0 +1,17 @@
+if performance? and performance.now
+  module.exports = -> performance.now()
+else if process? and process.hrtime
+  module.exports = -> (getNanoSeconds() - nodeLoadTime) / 1e6
+  hrtime = process.hrtime
+  getNanoSeconds = ->
+    hr = hrtime()
+    hr[0] * 1e9 + hr[1]
+  moduleLoadTime = getNanoSeconds()
+  upTime = process.uptime() * 1e9
+  nodeLoadTime = moduleLoadTime - upTime
+else if Date.now
+  module.exports = -> Date.now() - loadTime
+  loadTime = Date.now()
+else
+  module.exports = -> new Date().getTime() - loadTime
+  loadTime = new Date().getTime()
diff --git a/node_modules/performance-now/test/mocha.opts b/node_modules/performance-now/test/mocha.opts
new file mode 100644
index 000000000..55d849270
--- /dev/null
+++ b/node_modules/performance-now/test/mocha.opts
@@ -0,0 +1,3 @@
+--require coffee-script/register
+--compilers coffee:coffee-script/register
+--reporter spec
\ No newline at end of file
diff --git a/node_modules/performance-now/test/performance-now.coffee b/node_modules/performance-now/test/performance-now.coffee
new file mode 100644
index 000000000..c99e95cd2
--- /dev/null
+++ b/node_modules/performance-now/test/performance-now.coffee
@@ -0,0 +1,43 @@
+chai = require "chai"
+chai.use(require "chai-increasing")
+{assert,expect} = chai
+Bluebird = require "bluebird"
+
+now = require "../"
+
+getUptime = -> process.uptime() * 1e3
+
+describe "now", ->
+  it "reported time differs at most 1ms from a freshly reported uptime", ->
+    assert.isAtMost Math.abs(now()-getUptime()), 1
+
+  it "two subsequent calls return an increasing number", ->
+    assert.isBelow now(), now()
+
+  it "has less than 10 microseconds overhead", ->
+    assert.isBelow Math.abs(now() - now()), 0.010
+
+  it "can be called 1 million times in under 1 second (averaging under 1 microsecond per call)", ->
+    @timeout 1000
+    now() for [0...1e6]
+    undefined
+
+  it "for 10,000 numbers, number n is never bigger than number n-1", ->
+    stamps = (now() for [1...10000])
+    expect(stamps).to.be.increasing
+
+  it "shows that at least 0.2 ms has passed after a timeout of 1 ms", ->
+    earlier = now()
+    Bluebird.resolve().delay(1).then -> assert.isAbove (now()-earlier), 0.2
+
+  it "shows that at most 3 ms has passed after a timeout of 1 ms", ->
+    earlier = now()
+    Bluebird.resolve().delay(1).then -> assert.isBelow (now()-earlier), 3
+
+  it "shows that at least 190ms ms has passed after a timeout of 200ms", ->
+    earlier = now()
+    Bluebird.resolve().delay(200).then -> assert.isAbove (now()-earlier), 190
+
+  it "shows that at most 220 ms has passed after a timeout of 200ms", ->
+    earlier = now()
+    Bluebird.resolve().delay(200).then -> assert.isBelow (now()-earlier), 220
diff --git a/node_modules/performance-now/test/scripts.coffee b/node_modules/performance-now/test/scripts.coffee
new file mode 100644
index 000000000..16312f185
--- /dev/null
+++ b/node_modules/performance-now/test/scripts.coffee
@@ -0,0 +1,27 @@
+Bluebird = require "bluebird"
+exec = require("child_process").execSync
+{assert} = require "chai"
+
+describe "scripts/initital-value.coffee (module.uptime(), expressed in milliseconds)", ->
+  result = exec("./test/scripts/initial-value.coffee").toString().trim()
+  it "printed #{result}", ->
+  it "printed a value above 100", -> assert.isAbove result, 100
+  it "printed a value below 350", -> assert.isBelow result, 350
+
+describe "scripts/delayed-require.coffee (sum of uptime and 250 ms delay`)", ->
+  result = exec("./test/scripts/delayed-require.coffee").toString().trim()
+  it "printed #{result}", ->
+  it "printed a value above 350", -> assert.isAbove result, 350
+  it "printed a value below 600", -> assert.isBelow result, 600
+
+describe "scripts/delayed-call.coffee (sum of uptime and 250 ms delay`)", ->
+  result = exec("./test/scripts/delayed-call.coffee").toString().trim()
+  it "printed #{result}", ->
+  it "printed a value above 350", -> assert.isAbove result, 350
+  it "printed a value below 600", -> assert.isBelow result, 600
+
+describe "scripts/difference.coffee", ->
+  result = exec("./test/scripts/difference.coffee").toString().trim()
+  it "printed #{result}", ->
+  it "printed a value above 0.005", -> assert.isAbove result, 0.005
+  it "printed a value below 0.07", -> assert.isBelow result, 0.07
diff --git a/node_modules/performance-now/test/scripts/delayed-call.coffee b/node_modules/performance-now/test/scripts/delayed-call.coffee
new file mode 100644
index 000000000..0c3bab594
--- /dev/null
+++ b/node_modules/performance-now/test/scripts/delayed-call.coffee
@@ -0,0 +1,11 @@
+#!/usr/bin/env ./node_modules/.bin/coffee
+
+###
+Expected output is a number above 350 and below 600.
+The time reported is relative to the time the node.js process was started
+this is approximately at `(Date.now() process.uptime() * 1000)`
+###
+
+delay = require "call-delayed"
+now = require "../../lib/performance-now"
+delay 250, -> console.log now().toFixed 3
diff --git a/node_modules/performance-now/test/scripts/delayed-require.coffee b/node_modules/performance-now/test/scripts/delayed-require.coffee
new file mode 100644
index 000000000..3ddee952f
--- /dev/null
+++ b/node_modules/performance-now/test/scripts/delayed-require.coffee
@@ -0,0 +1,12 @@
+#!/usr/bin/env ./node_modules/.bin/coffee
+
+###
+Expected output is a number above 350 and below 600.
+The time reported is relative to the time the node.js process was started
+this is approximately at `(Date.now() process.uptime() * 1000)`
+###
+
+delay = require "call-delayed"
+delay 250, ->
+  now = require "../../lib/performance-now"
+  console.log now().toFixed 3
diff --git a/node_modules/performance-now/test/scripts/difference.coffee b/node_modules/performance-now/test/scripts/difference.coffee
new file mode 100644
index 000000000..0b5edf6c6
--- /dev/null
+++ b/node_modules/performance-now/test/scripts/difference.coffee
@@ -0,0 +1,6 @@
+#!/usr/bin/env ./node_modules/.bin/coffee
+
+# Expected output is above 0.005 and below 0.07.
+
+now = require('../../lib/performance-now')
+console.log -(now() - now()).toFixed 3
diff --git a/node_modules/performance-now/test/scripts/initial-value.coffee b/node_modules/performance-now/test/scripts/initial-value.coffee
new file mode 100644
index 000000000..19ef4e0f3
--- /dev/null
+++ b/node_modules/performance-now/test/scripts/initial-value.coffee
@@ -0,0 +1,10 @@
+#!/usr/bin/env ./node_modules/.bin/coffee
+
+###
+Expected output is a number above 100 and below 350.
+The time reported is relative to the time the node.js process was started
+this is approximately at `(Date.now() process.uptime() * 1000)`
+###
+
+now = require '../../lib/performance-now'
+console.log now().toFixed 3
diff --git a/node_modules/proxy-addr/HISTORY.md b/node_modules/proxy-addr/HISTORY.md
new file mode 100644
index 000000000..8480242a0
--- /dev/null
+++ b/node_modules/proxy-addr/HISTORY.md
@@ -0,0 +1,161 @@
+2.0.7 / 2021-05-31
+==================
+
+  * deps: forwarded@0.2.0
+    - Use `req.socket` over deprecated `req.connection`
+
+2.0.6 / 2020-02-24
+==================
+
+  * deps: ipaddr.js@1.9.1
+
+2.0.5 / 2019-04-16
+==================
+
+  * deps: ipaddr.js@1.9.0
+
+2.0.4 / 2018-07-26
+==================
+
+  * deps: ipaddr.js@1.8.0
+
+2.0.3 / 2018-02-19
+==================
+
+  * deps: ipaddr.js@1.6.0
+
+2.0.2 / 2017-09-24
+==================
+
+  * deps: forwarded@~0.1.2
+    - perf: improve header parsing
+    - perf: reduce overhead when no `X-Forwarded-For` header
+
+2.0.1 / 2017-09-10
+==================
+
+  * deps: forwarded@~0.1.1
+    - Fix trimming leading / trailing OWS
+    - perf: hoist regular expression
+  * deps: ipaddr.js@1.5.2
+
+2.0.0 / 2017-08-08
+==================
+
+  * Drop support for Node.js below 0.10
+
+1.1.5 / 2017-07-25
+==================
+
+  * Fix array argument being altered
+  * deps: ipaddr.js@1.4.0
+
+1.1.4 / 2017-03-24
+==================
+
+  * deps: ipaddr.js@1.3.0
+
+1.1.3 / 2017-01-14
+==================
+
+  * deps: ipaddr.js@1.2.0
+
+1.1.2 / 2016-05-29
+==================
+
+  * deps: ipaddr.js@1.1.1
+    - Fix IPv6-mapped IPv4 validation edge cases
+
+1.1.1 / 2016-05-03
+==================
+
+  * Fix regression matching mixed versions against multiple subnets
+
+1.1.0 / 2016-05-01
+==================
+
+  * Fix accepting various invalid netmasks
+    - IPv4 netmasks must be contingous
+    - IPv6 addresses cannot be used as a netmask
+  * deps: ipaddr.js@1.1.0
+
+1.0.10 / 2015-12-09
+===================
+
+  * deps: ipaddr.js@1.0.5
+    - Fix regression in `isValid` with non-string arguments
+
+1.0.9 / 2015-12-01
+==================
+
+  * deps: ipaddr.js@1.0.4
+    - Fix accepting some invalid IPv6 addresses
+    - Reject CIDRs with negative or overlong masks
+  * perf: enable strict mode
+
+1.0.8 / 2015-05-10
+==================
+
+  * deps: ipaddr.js@1.0.1
+
+1.0.7 / 2015-03-16
+==================
+
+  * deps: ipaddr.js@0.1.9
+    - Fix OOM on certain inputs to `isValid`
+
+1.0.6 / 2015-02-01
+==================
+
+  * deps: ipaddr.js@0.1.8
+
+1.0.5 / 2015-01-08
+==================
+
+  * deps: ipaddr.js@0.1.6
+
+1.0.4 / 2014-11-23
+==================
+
+  * deps: ipaddr.js@0.1.5
+    - Fix edge cases with `isValid`
+
+1.0.3 / 2014-09-21
+==================
+
+  * Use `forwarded` npm module
+
+1.0.2 / 2014-09-18
+==================
+
+  * Fix a global leak when multiple subnets are trusted
+  * Support Node.js 0.6
+  * deps: ipaddr.js@0.1.3
+
+1.0.1 / 2014-06-03
+==================
+
+  * Fix links in npm package
+
+1.0.0 / 2014-05-08
+==================
+
+  * Add `trust` argument to determine proxy trust on
+    * Accepts custom function
+    * Accepts IPv4/IPv6 address(es)
+    * Accepts subnets
+    * Accepts pre-defined names
+  * Add optional `trust` argument to `proxyaddr.all` to
+    stop at first untrusted
+  * Add `proxyaddr.compile` to pre-compile `trust` function
+    to make subsequent calls faster
+
+0.0.1 / 2014-05-04
+==================
+
+  * Fix bad npm publish
+
+0.0.0 / 2014-05-04
+==================
+
+  * Initial release
diff --git a/node_modules/proxy-addr/LICENSE b/node_modules/proxy-addr/LICENSE
new file mode 100644
index 000000000..cab251c2b
--- /dev/null
+++ b/node_modules/proxy-addr/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2014-2016 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/proxy-addr/README.md b/node_modules/proxy-addr/README.md
new file mode 100644
index 000000000..69c0b63ea
--- /dev/null
+++ b/node_modules/proxy-addr/README.md
@@ -0,0 +1,139 @@
+# proxy-addr
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-image]][node-url]
+[![Build Status][ci-image]][ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Determine address of proxied request
+
+## Install
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install proxy-addr
+```
+
+## API
+
+```js
+var proxyaddr = require('proxy-addr')
+```
+
+### proxyaddr(req, trust)
+
+Return the address of the request, using the given `trust` parameter.
+
+The `trust` argument is a function that returns `true` if you trust
+the address, `false` if you don't. The closest untrusted address is
+returned.
+
+```js
+proxyaddr(req, function (addr) { return addr === '127.0.0.1' })
+proxyaddr(req, function (addr, i) { return i < 1 })
+```
+
+The `trust` arugment may also be a single IP address string or an
+array of trusted addresses, as plain IP addresses, CIDR-formatted
+strings, or IP/netmask strings.
+
+```js
+proxyaddr(req, '127.0.0.1')
+proxyaddr(req, ['127.0.0.0/8', '10.0.0.0/8'])
+proxyaddr(req, ['127.0.0.0/255.0.0.0', '192.168.0.0/255.255.0.0'])
+```
+
+This module also supports IPv6. Your IPv6 addresses will be normalized
+automatically (i.e. `fe80::00ed:1` equals `fe80:0:0:0:0:0:ed:1`).
+
+```js
+proxyaddr(req, '::1')
+proxyaddr(req, ['::1/128', 'fe80::/10'])
+```
+
+This module will automatically work with IPv4-mapped IPv6 addresses
+as well to support node.js in IPv6-only mode. This means that you do
+not have to specify both `::ffff:a00:1` and `10.0.0.1`.
+
+As a convenience, this module also takes certain pre-defined names
+in addition to IP addresses, which expand into IP addresses:
+
+```js
+proxyaddr(req, 'loopback')
+proxyaddr(req, ['loopback', 'fc00:ac:1ab5:fff::1/64'])
+```
+
+  * `loopback`: IPv4 and IPv6 loopback addresses (like `::1` and
+    `127.0.0.1`).
+  * `linklocal`: IPv4 and IPv6 link-local addresses (like
+    `fe80::1:1:1:1` and `169.254.0.1`).
+  * `uniquelocal`: IPv4 private addresses and IPv6 unique-local
+    addresses (like `fc00:ac:1ab5:fff::1` and `192.168.0.1`).
+
+When `trust` is specified as a function, it will be called for each
+address to determine if it is a trusted address. The function is
+given two arguments: `addr` and `i`, where `addr` is a string of
+the address to check and `i` is a number that represents the distance
+from the socket address.
+
+### proxyaddr.all(req, [trust])
+
+Return all the addresses of the request, optionally stopping at the
+first untrusted. This array is ordered from closest to furthest
+(i.e. `arr[0] === req.connection.remoteAddress`).
+
+```js
+proxyaddr.all(req)
+```
+
+The optional `trust` argument takes the same arguments as `trust`
+does in `proxyaddr(req, trust)`.
+
+```js
+proxyaddr.all(req, 'loopback')
+```
+
+### proxyaddr.compile(val)
+
+Compiles argument `val` into a `trust` function. This function takes
+the same arguments as `trust` does in `proxyaddr(req, trust)` and
+returns a function suitable for `proxyaddr(req, trust)`.
+
+```js
+var trust = proxyaddr.compile('loopback')
+var addr = proxyaddr(req, trust)
+```
+
+This function is meant to be optimized for use against every request.
+It is recommend to compile a trust function up-front for the trusted
+configuration and pass that to `proxyaddr(req, trust)` for each request.
+
+## Testing
+
+```sh
+$ npm test
+```
+
+## Benchmarks
+
+```sh
+$ npm run-script bench
+```
+
+## License
+
+[MIT](LICENSE)
+
+[ci-image]: https://badgen.net/github/checks/jshttp/proxy-addr/master?label=ci
+[ci-url]: https://github.com/jshttp/proxy-addr/actions?query=workflow%3Aci
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/proxy-addr/master
+[coveralls-url]: https://coveralls.io/r/jshttp/proxy-addr?branch=master
+[node-image]: https://badgen.net/npm/node/proxy-addr
+[node-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/proxy-addr
+[npm-url]: https://npmjs.org/package/proxy-addr
+[npm-version-image]: https://badgen.net/npm/v/proxy-addr
diff --git a/node_modules/proxy-addr/index.js b/node_modules/proxy-addr/index.js
new file mode 100644
index 000000000..a909b0506
--- /dev/null
+++ b/node_modules/proxy-addr/index.js
@@ -0,0 +1,327 @@
+/*!
+ * proxy-addr
+ * Copyright(c) 2014-2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = proxyaddr
+module.exports.all = alladdrs
+module.exports.compile = compile
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var forwarded = require('forwarded')
+var ipaddr = require('ipaddr.js')
+
+/**
+ * Variables.
+ * @private
+ */
+
+var DIGIT_REGEXP = /^[0-9]+$/
+var isip = ipaddr.isValid
+var parseip = ipaddr.parse
+
+/**
+ * Pre-defined IP ranges.
+ * @private
+ */
+
+var IP_RANGES = {
+  linklocal: ['169.254.0.0/16', 'fe80::/10'],
+  loopback: ['127.0.0.1/8', '::1/128'],
+  uniquelocal: ['10.0.0.0/8', '172.16.0.0/12', '192.168.0.0/16', 'fc00::/7']
+}
+
+/**
+ * Get all addresses in the request, optionally stopping
+ * at the first untrusted.
+ *
+ * @param {Object} request
+ * @param {Function|Array|String} [trust]
+ * @public
+ */
+
+function alladdrs (req, trust) {
+  // get addresses
+  var addrs = forwarded(req)
+
+  if (!trust) {
+    // Return all addresses
+    return addrs
+  }
+
+  if (typeof trust !== 'function') {
+    trust = compile(trust)
+  }
+
+  for (var i = 0; i < addrs.length - 1; i++) {
+    if (trust(addrs[i], i)) continue
+
+    addrs.length = i + 1
+  }
+
+  return addrs
+}
+
+/**
+ * Compile argument into trust function.
+ *
+ * @param {Array|String} val
+ * @private
+ */
+
+function compile (val) {
+  if (!val) {
+    throw new TypeError('argument is required')
+  }
+
+  var trust
+
+  if (typeof val === 'string') {
+    trust = [val]
+  } else if (Array.isArray(val)) {
+    trust = val.slice()
+  } else {
+    throw new TypeError('unsupported trust argument')
+  }
+
+  for (var i = 0; i < trust.length; i++) {
+    val = trust[i]
+
+    if (!Object.prototype.hasOwnProperty.call(IP_RANGES, val)) {
+      continue
+    }
+
+    // Splice in pre-defined range
+    val = IP_RANGES[val]
+    trust.splice.apply(trust, [i, 1].concat(val))
+    i += val.length - 1
+  }
+
+  return compileTrust(compileRangeSubnets(trust))
+}
+
+/**
+ * Compile `arr` elements into range subnets.
+ *
+ * @param {Array} arr
+ * @private
+ */
+
+function compileRangeSubnets (arr) {
+  var rangeSubnets = new Array(arr.length)
+
+  for (var i = 0; i < arr.length; i++) {
+    rangeSubnets[i] = parseipNotation(arr[i])
+  }
+
+  return rangeSubnets
+}
+
+/**
+ * Compile range subnet array into trust function.
+ *
+ * @param {Array} rangeSubnets
+ * @private
+ */
+
+function compileTrust (rangeSubnets) {
+  // Return optimized function based on length
+  var len = rangeSubnets.length
+  return len === 0
+    ? trustNone
+    : len === 1
+      ? trustSingle(rangeSubnets[0])
+      : trustMulti(rangeSubnets)
+}
+
+/**
+ * Parse IP notation string into range subnet.
+ *
+ * @param {String} note
+ * @private
+ */
+
+function parseipNotation (note) {
+  var pos = note.lastIndexOf('/')
+  var str = pos !== -1
+    ? note.substring(0, pos)
+    : note
+
+  if (!isip(str)) {
+    throw new TypeError('invalid IP address: ' + str)
+  }
+
+  var ip = parseip(str)
+
+  if (pos === -1 && ip.kind() === 'ipv6' && ip.isIPv4MappedAddress()) {
+    // Store as IPv4
+    ip = ip.toIPv4Address()
+  }
+
+  var max = ip.kind() === 'ipv6'
+    ? 128
+    : 32
+
+  var range = pos !== -1
+    ? note.substring(pos + 1, note.length)
+    : null
+
+  if (range === null) {
+    range = max
+  } else if (DIGIT_REGEXP.test(range)) {
+    range = parseInt(range, 10)
+  } else if (ip.kind() === 'ipv4' && isip(range)) {
+    range = parseNetmask(range)
+  } else {
+    range = null
+  }
+
+  if (range <= 0 || range > max) {
+    throw new TypeError('invalid range on address: ' + note)
+  }
+
+  return [ip, range]
+}
+
+/**
+ * Parse netmask string into CIDR range.
+ *
+ * @param {String} netmask
+ * @private
+ */
+
+function parseNetmask (netmask) {
+  var ip = parseip(netmask)
+  var kind = ip.kind()
+
+  return kind === 'ipv4'
+    ? ip.prefixLengthFromSubnetMask()
+    : null
+}
+
+/**
+ * Determine address of proxied request.
+ *
+ * @param {Object} request
+ * @param {Function|Array|String} trust
+ * @public
+ */
+
+function proxyaddr (req, trust) {
+  if (!req) {
+    throw new TypeError('req argument is required')
+  }
+
+  if (!trust) {
+    throw new TypeError('trust argument is required')
+  }
+
+  var addrs = alladdrs(req, trust)
+  var addr = addrs[addrs.length - 1]
+
+  return addr
+}
+
+/**
+ * Static trust function to trust nothing.
+ *
+ * @private
+ */
+
+function trustNone () {
+  return false
+}
+
+/**
+ * Compile trust function for multiple subnets.
+ *
+ * @param {Array} subnets
+ * @private
+ */
+
+function trustMulti (subnets) {
+  return function trust (addr) {
+    if (!isip(addr)) return false
+
+    var ip = parseip(addr)
+    var ipconv
+    var kind = ip.kind()
+
+    for (var i = 0; i < subnets.length; i++) {
+      var subnet = subnets[i]
+      var subnetip = subnet[0]
+      var subnetkind = subnetip.kind()
+      var subnetrange = subnet[1]
+      var trusted = ip
+
+      if (kind !== subnetkind) {
+        if (subnetkind === 'ipv4' && !ip.isIPv4MappedAddress()) {
+          // Incompatible IP addresses
+          continue
+        }
+
+        if (!ipconv) {
+          // Convert IP to match subnet IP kind
+          ipconv = subnetkind === 'ipv4'
+            ? ip.toIPv4Address()
+            : ip.toIPv4MappedAddress()
+        }
+
+        trusted = ipconv
+      }
+
+      if (trusted.match(subnetip, subnetrange)) {
+        return true
+      }
+    }
+
+    return false
+  }
+}
+
+/**
+ * Compile trust function for single subnet.
+ *
+ * @param {Object} subnet
+ * @private
+ */
+
+function trustSingle (subnet) {
+  var subnetip = subnet[0]
+  var subnetkind = subnetip.kind()
+  var subnetisipv4 = subnetkind === 'ipv4'
+  var subnetrange = subnet[1]
+
+  return function trust (addr) {
+    if (!isip(addr)) return false
+
+    var ip = parseip(addr)
+    var kind = ip.kind()
+
+    if (kind !== subnetkind) {
+      if (subnetisipv4 && !ip.isIPv4MappedAddress()) {
+        // Incompatible IP addresses
+        return false
+      }
+
+      // Convert IP to match subnet IP kind
+      ip = subnetisipv4
+        ? ip.toIPv4Address()
+        : ip.toIPv4MappedAddress()
+    }
+
+    return ip.match(subnetip, subnetrange)
+  }
+}
diff --git a/node_modules/proxy-addr/package.json b/node_modules/proxy-addr/package.json
new file mode 100644
index 000000000..24ba8f7db
--- /dev/null
+++ b/node_modules/proxy-addr/package.json
@@ -0,0 +1,47 @@
+{
+  "name": "proxy-addr",
+  "description": "Determine address of proxied request",
+  "version": "2.0.7",
+  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
+  "license": "MIT",
+  "keywords": [
+    "ip",
+    "proxy",
+    "x-forwarded-for"
+  ],
+  "repository": "jshttp/proxy-addr",
+  "dependencies": {
+    "forwarded": "0.2.0",
+    "ipaddr.js": "1.9.1"
+  },
+  "devDependencies": {
+    "benchmark": "2.1.4",
+    "beautify-benchmark": "0.2.4",
+    "deep-equal": "1.0.1",
+    "eslint": "7.26.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.23.4",
+    "eslint-plugin-markdown": "2.2.0",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "4.3.1",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "8.4.0",
+    "nyc": "15.1.0"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.10"
+  },
+  "scripts": {
+    "bench": "node benchmark/index.js",
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  }
+}
diff --git a/node_modules/psl/.env b/node_modules/psl/.env
new file mode 100644
index 000000000..e69de29bb
diff --git a/node_modules/psl/LICENSE b/node_modules/psl/LICENSE
new file mode 100644
index 000000000..78d792eda
--- /dev/null
+++ b/node_modules/psl/LICENSE
@@ -0,0 +1,9 @@
+The MIT License (MIT)
+
+Copyright (c) 2017 Lupo Montero lupomontero@gmail.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/psl/README.md b/node_modules/psl/README.md
new file mode 100644
index 000000000..e05710a2b
--- /dev/null
+++ b/node_modules/psl/README.md
@@ -0,0 +1,211 @@
+# psl (Public Suffix List)
+
+[![Node.js CI](https://github.com/lupomontero/psl/actions/workflows/node.js.yml/badge.svg)](https://github.com/lupomontero/psl/actions/workflows/node.js.yml)
+
+`psl` is a `JavaScript` domain name parser based on the
+[Public Suffix List](https://publicsuffix.org/).
+
+This implementation is tested against the
+[test data hosted by Mozilla](http://mxr.mozilla.org/mozilla-central/source/netwerk/test/unit/data/test_psl.txt?raw=1)
+and kindly provided by [Comodo](https://www.comodo.com/).
+
+Cross browser testing provided by
+[<img alt="BrowserStack" width="160" src="./browserstack-logo.svg" />](https://www.browserstack.com/)
+
+## What is the Public Suffix List?
+
+The Public Suffix List is a cross-vendor initiative to provide an accurate list
+of domain name suffixes.
+
+The Public Suffix List is an initiative of the Mozilla Project, but is
+maintained as a community resource. It is available for use in any software,
+but was originally created to meet the needs of browser manufacturers.
+
+A "public suffix" is one under which Internet users can directly register names.
+Some examples of public suffixes are ".com", ".co.uk" and "pvt.k12.wy.us". The
+Public Suffix List is a list of all known public suffixes.
+
+Source: http://publicsuffix.org
+
+
+## Installation
+
+### Node.js
+
+```sh
+npm install --save psl
+```
+
+### Browser
+
+Download [psl.min.js](https://raw.githubusercontent.com/lupomontero/psl/master/dist/psl.min.js)
+and include it in a script tag.
+
+```html
+<script src="psl.min.js"></script>
+```
+
+This script is browserified and wrapped in a [umd](https://github.com/umdjs/umd)
+wrapper so you should be able to use it standalone or together with a module
+loader.
+
+## API
+
+### `psl.parse(domain)`
+
+Parse domain based on Public Suffix List. Returns an `Object` with the following
+properties:
+
+* `tld`: Top level domain (this is the _public suffix_).
+* `sld`: Second level domain (the first private part of the domain name).
+* `domain`: The domain name is the `sld` + `tld`.
+* `subdomain`: Optional parts left of the domain.
+
+#### Example:
+
+```js
+var psl = require('psl');
+
+// Parse domain without subdomain
+var parsed = psl.parse('google.com');
+console.log(parsed.tld); // 'com'
+console.log(parsed.sld); // 'google'
+console.log(parsed.domain); // 'google.com'
+console.log(parsed.subdomain); // null
+
+// Parse domain with subdomain
+var parsed = psl.parse('www.google.com');
+console.log(parsed.tld); // 'com'
+console.log(parsed.sld); // 'google'
+console.log(parsed.domain); // 'google.com'
+console.log(parsed.subdomain); // 'www'
+
+// Parse domain with nested subdomains
+var parsed = psl.parse('a.b.c.d.foo.com');
+console.log(parsed.tld); // 'com'
+console.log(parsed.sld); // 'foo'
+console.log(parsed.domain); // 'foo.com'
+console.log(parsed.subdomain); // 'a.b.c.d'
+```
+
+### `psl.get(domain)`
+
+Get domain name, `sld` + `tld`. Returns `null` if not valid.
+
+#### Example:
+
+```js
+var psl = require('psl');
+
+// null input.
+psl.get(null); // null
+
+// Mixed case.
+psl.get('COM'); // null
+psl.get('example.COM'); // 'example.com'
+psl.get('WwW.example.COM'); // 'example.com'
+
+// Unlisted TLD.
+psl.get('example'); // null
+psl.get('example.example'); // 'example.example'
+psl.get('b.example.example'); // 'example.example'
+psl.get('a.b.example.example'); // 'example.example'
+
+// TLD with only 1 rule.
+psl.get('biz'); // null
+psl.get('domain.biz'); // 'domain.biz'
+psl.get('b.domain.biz'); // 'domain.biz'
+psl.get('a.b.domain.biz'); // 'domain.biz'
+
+// TLD with some 2-level rules.
+psl.get('uk.com'); // null);
+psl.get('example.uk.com'); // 'example.uk.com');
+psl.get('b.example.uk.com'); // 'example.uk.com');
+
+// More complex TLD.
+psl.get('c.kobe.jp'); // null
+psl.get('b.c.kobe.jp'); // 'b.c.kobe.jp'
+psl.get('a.b.c.kobe.jp'); // 'b.c.kobe.jp'
+psl.get('city.kobe.jp'); // 'city.kobe.jp'
+psl.get('www.city.kobe.jp'); // 'city.kobe.jp'
+
+// IDN labels.
+psl.get('食狮.com.cn'); // '食狮.com.cn'
+psl.get('食狮.公司.cn'); // '食狮.公司.cn'
+psl.get('www.食狮.公司.cn'); // '食狮.公司.cn'
+
+// Same as above, but punycoded.
+psl.get('xn--85x722f.com.cn'); // 'xn--85x722f.com.cn'
+psl.get('xn--85x722f.xn--55qx5d.cn'); // 'xn--85x722f.xn--55qx5d.cn'
+psl.get('www.xn--85x722f.xn--55qx5d.cn'); // 'xn--85x722f.xn--55qx5d.cn'
+```
+
+### `psl.isValid(domain)`
+
+Check whether a domain has a valid Public Suffix. Returns a `Boolean` indicating
+whether the domain has a valid Public Suffix.
+
+#### Example
+
+```js
+var psl = require('psl');
+
+psl.isValid('google.com'); // true
+psl.isValid('www.google.com'); // true
+psl.isValid('x.yz'); // false
+```
+
+
+## Testing and Building
+
+Test are written using [`mocha`](https://mochajs.org/) and can be
+run in two different environments: `node` and `phantomjs`.
+
+```sh
+# This will run `eslint`, `mocha` and `karma`.
+npm test
+
+# Individual test environments
+# Run tests in node only.
+./node_modules/.bin/mocha test
+# Run tests in phantomjs only.
+./node_modules/.bin/karma start ./karma.conf.js --single-run
+
+# Build data (parse raw list) and create dist files
+npm run build
+```
+
+Feel free to fork if you see possible improvements!
+
+
+## Acknowledgements
+
+* Mozilla Foundation's [Public Suffix List](https://publicsuffix.org/)
+* Thanks to Rob Stradling of [Comodo](https://www.comodo.com/) for providing
+  test data.
+* Inspired by [weppos/publicsuffix-ruby](https://github.com/weppos/publicsuffix-ruby)
+
+
+## License
+
+The MIT License (MIT)
+
+Copyright (c) 2017 Lupo Montero <lupomontero@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/psl/browserstack-logo.svg b/node_modules/psl/browserstack-logo.svg
new file mode 100644
index 000000000..195f64d2f
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diff --git a/node_modules/psl/data/rules.json b/node_modules/psl/data/rules.json
new file mode 100644
index 000000000..aaae4173c
--- /dev/null
+++ b/node_modules/psl/data/rules.json
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+]
\ No newline at end of file
diff --git a/node_modules/psl/dist/psl.js b/node_modules/psl/dist/psl.js
new file mode 100644
index 000000000..2e967dfe5
--- /dev/null
+++ b/node_modules/psl/dist/psl.js
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+"2ix.at",
+"4lima.at",
+"lima-city.at",
+"12hp.ch",
+"2ix.ch",
+"4lima.ch",
+"lima-city.ch",
+"trafficplex.cloud",
+"de.cool",
+"12hp.de",
+"2ix.de",
+"4lima.de",
+"lima-city.de",
+"1337.pictures",
+"clan.rip",
+"lima-city.rocks",
+"webspace.rocks",
+"lima.zone",
+"*.transurl.be",
+"*.transurl.eu",
+"*.transurl.nl",
+"site.transip.me",
+"tuxfamily.org",
+"dd-dns.de",
+"diskstation.eu",
+"diskstation.org",
+"dray-dns.de",
+"draydns.de",
+"dyn-vpn.de",
+"dynvpn.de",
+"mein-vigor.de",
+"my-vigor.de",
+"my-wan.de",
+"syno-ds.de",
+"synology-diskstation.de",
+"synology-ds.de",
+"typedream.app",
+"pro.typeform.com",
+"uber.space",
+"*.uberspace.de",
+"hk.com",
+"hk.org",
+"ltd.hk",
+"inc.hk",
+"name.pm",
+"sch.tf",
+"biz.wf",
+"sch.wf",
+"org.yt",
+"virtualuser.de",
+"virtual-user.de",
+"upli.io",
+"urown.cloud",
+"dnsupdate.info",
+"lib.de.us",
+"2038.io",
+"vercel.app",
+"vercel.dev",
+"now.sh",
+"router.management",
+"v-info.info",
+"voorloper.cloud",
+"neko.am",
+"nyaa.am",
+"be.ax",
+"cat.ax",
+"es.ax",
+"eu.ax",
+"gg.ax",
+"mc.ax",
+"us.ax",
+"xy.ax",
+"nl.ci",
+"xx.gl",
+"app.gp",
+"blog.gt",
+"de.gt",
+"to.gt",
+"be.gy",
+"cc.hn",
+"blog.kg",
+"io.kg",
+"jp.kg",
+"tv.kg",
+"uk.kg",
+"us.kg",
+"de.ls",
+"at.md",
+"de.md",
+"jp.md",
+"to.md",
+"indie.porn",
+"vxl.sh",
+"ch.tc",
+"me.tc",
+"we.tc",
+"nyan.to",
+"at.vg",
+"blog.vu",
+"dev.vu",
+"me.vu",
+"v.ua",
+"*.vultrobjects.com",
+"wafflecell.com",
+"*.webhare.dev",
+"reserve-online.net",
+"reserve-online.com",
+"bookonline.app",
+"hotelwithflight.com",
+"wedeploy.io",
+"wedeploy.me",
+"wedeploy.sh",
+"remotewd.com",
+"pages.wiardweb.com",
+"wmflabs.org",
+"toolforge.org",
+"wmcloud.org",
+"panel.gg",
+"daemon.panel.gg",
+"messwithdns.com",
+"woltlab-demo.com",
+"myforum.community",
+"community-pro.de",
+"diskussionsbereich.de",
+"community-pro.net",
+"meinforum.net",
+"affinitylottery.org.uk",
+"raffleentry.org.uk",
+"weeklylottery.org.uk",
+"wpenginepowered.com",
+"js.wpenginepowered.com",
+"wixsite.com",
+"editorx.io",
+"half.host",
+"xnbay.com",
+"u2.xnbay.com",
+"u2-local.xnbay.com",
+"cistron.nl",
+"demon.nl",
+"xs4all.space",
+"yandexcloud.net",
+"storage.yandexcloud.net",
+"website.yandexcloud.net",
+"official.academy",
+"yolasite.com",
+"ybo.faith",
+"yombo.me",
+"homelink.one",
+"ybo.party",
+"ybo.review",
+"ybo.science",
+"ybo.trade",
+"ynh.fr",
+"nohost.me",
+"noho.st",
+"za.net",
+"za.org",
+"bss.design",
+"basicserver.io",
+"virtualserver.io",
+"enterprisecloud.nu"
+]
+},{}],2:[function(require,module,exports){
+/*eslint no-var:0, prefer-arrow-callback: 0, object-shorthand: 0 */
+'use strict';
+
+
+var Punycode = require('punycode');
+
+
+var internals = {};
+
+
+//
+// Read rules from file.
+//
+internals.rules = require('./data/rules.json').map(function (rule) {
+
+  return {
+    rule: rule,
+    suffix: rule.replace(/^(\*\.|\!)/, ''),
+    punySuffix: -1,
+    wildcard: rule.charAt(0) === '*',
+    exception: rule.charAt(0) === '!'
+  };
+});
+
+
+//
+// Check is given string ends with `suffix`.
+//
+internals.endsWith = function (str, suffix) {
+
+  return str.indexOf(suffix, str.length - suffix.length) !== -1;
+};
+
+
+//
+// Find rule for a given domain.
+//
+internals.findRule = function (domain) {
+
+  var punyDomain = Punycode.toASCII(domain);
+  return internals.rules.reduce(function (memo, rule) {
+
+    if (rule.punySuffix === -1){
+      rule.punySuffix = Punycode.toASCII(rule.suffix);
+    }
+    if (!internals.endsWith(punyDomain, '.' + rule.punySuffix) && punyDomain !== rule.punySuffix) {
+      return memo;
+    }
+    // This has been commented out as it never seems to run. This is because
+    // sub tlds always appear after their parents and we never find a shorter
+    // match.
+    //if (memo) {
+    //  var memoSuffix = Punycode.toASCII(memo.suffix);
+    //  if (memoSuffix.length >= punySuffix.length) {
+    //    return memo;
+    //  }
+    //}
+    return rule;
+  }, null);
+};
+
+
+//
+// Error codes and messages.
+//
+exports.errorCodes = {
+  DOMAIN_TOO_SHORT: 'Domain name too short.',
+  DOMAIN_TOO_LONG: 'Domain name too long. It should be no more than 255 chars.',
+  LABEL_STARTS_WITH_DASH: 'Domain name label can not start with a dash.',
+  LABEL_ENDS_WITH_DASH: 'Domain name label can not end with a dash.',
+  LABEL_TOO_LONG: 'Domain name label should be at most 63 chars long.',
+  LABEL_TOO_SHORT: 'Domain name label should be at least 1 character long.',
+  LABEL_INVALID_CHARS: 'Domain name label can only contain alphanumeric characters or dashes.'
+};
+
+
+//
+// Validate domain name and throw if not valid.
+//
+// From wikipedia:
+//
+// Hostnames are composed of series of labels concatenated with dots, as are all
+// domain names. Each label must be between 1 and 63 characters long, and the
+// entire hostname (including the delimiting dots) has a maximum of 255 chars.
+//
+// Allowed chars:
+//
+// * `a-z`
+// * `0-9`
+// * `-` but not as a starting or ending character
+// * `.` as a separator for the textual portions of a domain name
+//
+// * http://en.wikipedia.org/wiki/Domain_name
+// * http://en.wikipedia.org/wiki/Hostname
+//
+internals.validate = function (input) {
+
+  // Before we can validate we need to take care of IDNs with unicode chars.
+  var ascii = Punycode.toASCII(input);
+
+  if (ascii.length < 1) {
+    return 'DOMAIN_TOO_SHORT';
+  }
+  if (ascii.length > 255) {
+    return 'DOMAIN_TOO_LONG';
+  }
+
+  // Check each part's length and allowed chars.
+  var labels = ascii.split('.');
+  var label;
+
+  for (var i = 0; i < labels.length; ++i) {
+    label = labels[i];
+    if (!label.length) {
+      return 'LABEL_TOO_SHORT';
+    }
+    if (label.length > 63) {
+      return 'LABEL_TOO_LONG';
+    }
+    if (label.charAt(0) === '-') {
+      return 'LABEL_STARTS_WITH_DASH';
+    }
+    if (label.charAt(label.length - 1) === '-') {
+      return 'LABEL_ENDS_WITH_DASH';
+    }
+    if (!/^[a-z0-9\-]+$/.test(label)) {
+      return 'LABEL_INVALID_CHARS';
+    }
+  }
+};
+
+
+//
+// Public API
+//
+
+
+//
+// Parse domain.
+//
+exports.parse = function (input) {
+
+  if (typeof input !== 'string') {
+    throw new TypeError('Domain name must be a string.');
+  }
+
+  // Force domain to lowercase.
+  var domain = input.slice(0).toLowerCase();
+
+  // Handle FQDN.
+  // TODO: Simply remove trailing dot?
+  if (domain.charAt(domain.length - 1) === '.') {
+    domain = domain.slice(0, domain.length - 1);
+  }
+
+  // Validate and sanitise input.
+  var error = internals.validate(domain);
+  if (error) {
+    return {
+      input: input,
+      error: {
+        message: exports.errorCodes[error],
+        code: error
+      }
+    };
+  }
+
+  var parsed = {
+    input: input,
+    tld: null,
+    sld: null,
+    domain: null,
+    subdomain: null,
+    listed: false
+  };
+
+  var domainParts = domain.split('.');
+
+  // Non-Internet TLD
+  if (domainParts[domainParts.length - 1] === 'local') {
+    return parsed;
+  }
+
+  var handlePunycode = function () {
+
+    if (!/xn--/.test(domain)) {
+      return parsed;
+    }
+    if (parsed.domain) {
+      parsed.domain = Punycode.toASCII(parsed.domain);
+    }
+    if (parsed.subdomain) {
+      parsed.subdomain = Punycode.toASCII(parsed.subdomain);
+    }
+    return parsed;
+  };
+
+  var rule = internals.findRule(domain);
+
+  // Unlisted tld.
+  if (!rule) {
+    if (domainParts.length < 2) {
+      return parsed;
+    }
+    parsed.tld = domainParts.pop();
+    parsed.sld = domainParts.pop();
+    parsed.domain = [parsed.sld, parsed.tld].join('.');
+    if (domainParts.length) {
+      parsed.subdomain = domainParts.pop();
+    }
+    return handlePunycode();
+  }
+
+  // At this point we know the public suffix is listed.
+  parsed.listed = true;
+
+  var tldParts = rule.suffix.split('.');
+  var privateParts = domainParts.slice(0, domainParts.length - tldParts.length);
+
+  if (rule.exception) {
+    privateParts.push(tldParts.shift());
+  }
+
+  parsed.tld = tldParts.join('.');
+
+  if (!privateParts.length) {
+    return handlePunycode();
+  }
+
+  if (rule.wildcard) {
+    tldParts.unshift(privateParts.pop());
+    parsed.tld = tldParts.join('.');
+  }
+
+  if (!privateParts.length) {
+    return handlePunycode();
+  }
+
+  parsed.sld = privateParts.pop();
+  parsed.domain = [parsed.sld,  parsed.tld].join('.');
+
+  if (privateParts.length) {
+    parsed.subdomain = privateParts.join('.');
+  }
+
+  return handlePunycode();
+};
+
+
+//
+// Get domain.
+//
+exports.get = function (domain) {
+
+  if (!domain) {
+    return null;
+  }
+  return exports.parse(domain).domain || null;
+};
+
+
+//
+// Check whether domain belongs to a known public suffix.
+//
+exports.isValid = function (domain) {
+
+  var parsed = exports.parse(domain);
+  return Boolean(parsed.domain && parsed.listed);
+};
+
+},{"./data/rules.json":1,"punycode":3}],3:[function(require,module,exports){
+(function (global){(function (){
+/*! https://mths.be/punycode v1.4.1 by @mathias */
+;(function(root) {
+
+	/** Detect free variables */
+	var freeExports = typeof exports == 'object' && exports &&
+		!exports.nodeType && exports;
+	var freeModule = typeof module == 'object' && module &&
+		!module.nodeType && module;
+	var freeGlobal = typeof global == 'object' && global;
+	if (
+		freeGlobal.global === freeGlobal ||
+		freeGlobal.window === freeGlobal ||
+		freeGlobal.self === freeGlobal
+	) {
+		root = freeGlobal;
+	}
+
+	/**
+	 * The `punycode` object.
+	 * @name punycode
+	 * @type Object
+	 */
+	var punycode,
+
+	/** Highest positive signed 32-bit float value */
+	maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1
+
+	/** Bootstring parameters */
+	base = 36,
+	tMin = 1,
+	tMax = 26,
+	skew = 38,
+	damp = 700,
+	initialBias = 72,
+	initialN = 128, // 0x80
+	delimiter = '-', // '\x2D'
+
+	/** Regular expressions */
+	regexPunycode = /^xn--/,
+	regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars
+	regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators
+
+	/** Error messages */
+	errors = {
+		'overflow': 'Overflow: input needs wider integers to process',
+		'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
+		'invalid-input': 'Invalid input'
+	},
+
+	/** Convenience shortcuts */
+	baseMinusTMin = base - tMin,
+	floor = Math.floor,
+	stringFromCharCode = String.fromCharCode,
+
+	/** Temporary variable */
+	key;
+
+	/*--------------------------------------------------------------------------*/
+
+	/**
+	 * A generic error utility function.
+	 * @private
+	 * @param {String} type The error type.
+	 * @returns {Error} Throws a `RangeError` with the applicable error message.
+	 */
+	function error(type) {
+		throw new RangeError(errors[type]);
+	}
+
+	/**
+	 * A generic `Array#map` utility function.
+	 * @private
+	 * @param {Array} array The array to iterate over.
+	 * @param {Function} callback The function that gets called for every array
+	 * item.
+	 * @returns {Array} A new array of values returned by the callback function.
+	 */
+	function map(array, fn) {
+		var length = array.length;
+		var result = [];
+		while (length--) {
+			result[length] = fn(array[length]);
+		}
+		return result;
+	}
+
+	/**
+	 * A simple `Array#map`-like wrapper to work with domain name strings or email
+	 * addresses.
+	 * @private
+	 * @param {String} domain The domain name or email address.
+	 * @param {Function} callback The function that gets called for every
+	 * character.
+	 * @returns {Array} A new string of characters returned by the callback
+	 * function.
+	 */
+	function mapDomain(string, fn) {
+		var parts = string.split('@');
+		var result = '';
+		if (parts.length > 1) {
+			// In email addresses, only the domain name should be punycoded. Leave
+			// the local part (i.e. everything up to `@`) intact.
+			result = parts[0] + '@';
+			string = parts[1];
+		}
+		// Avoid `split(regex)` for IE8 compatibility. See #17.
+		string = string.replace(regexSeparators, '\x2E');
+		var labels = string.split('.');
+		var encoded = map(labels, fn).join('.');
+		return result + encoded;
+	}
+
+	/**
+	 * Creates an array containing the numeric code points of each Unicode
+	 * character in the string. While JavaScript uses UCS-2 internally,
+	 * this function will convert a pair of surrogate halves (each of which
+	 * UCS-2 exposes as separate characters) into a single code point,
+	 * matching UTF-16.
+	 * @see `punycode.ucs2.encode`
+	 * @see <https://mathiasbynens.be/notes/javascript-encoding>
+	 * @memberOf punycode.ucs2
+	 * @name decode
+	 * @param {String} string The Unicode input string (UCS-2).
+	 * @returns {Array} The new array of code points.
+	 */
+	function ucs2decode(string) {
+		var output = [],
+		    counter = 0,
+		    length = string.length,
+		    value,
+		    extra;
+		while (counter < length) {
+			value = string.charCodeAt(counter++);
+			if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+				// high surrogate, and there is a next character
+				extra = string.charCodeAt(counter++);
+				if ((extra & 0xFC00) == 0xDC00) { // low surrogate
+					output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+				} else {
+					// unmatched surrogate; only append this code unit, in case the next
+					// code unit is the high surrogate of a surrogate pair
+					output.push(value);
+					counter--;
+				}
+			} else {
+				output.push(value);
+			}
+		}
+		return output;
+	}
+
+	/**
+	 * Creates a string based on an array of numeric code points.
+	 * @see `punycode.ucs2.decode`
+	 * @memberOf punycode.ucs2
+	 * @name encode
+	 * @param {Array} codePoints The array of numeric code points.
+	 * @returns {String} The new Unicode string (UCS-2).
+	 */
+	function ucs2encode(array) {
+		return map(array, function(value) {
+			var output = '';
+			if (value > 0xFFFF) {
+				value -= 0x10000;
+				output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
+				value = 0xDC00 | value & 0x3FF;
+			}
+			output += stringFromCharCode(value);
+			return output;
+		}).join('');
+	}
+
+	/**
+	 * Converts a basic code point into a digit/integer.
+	 * @see `digitToBasic()`
+	 * @private
+	 * @param {Number} codePoint The basic numeric code point value.
+	 * @returns {Number} The numeric value of a basic code point (for use in
+	 * representing integers) in the range `0` to `base - 1`, or `base` if
+	 * the code point does not represent a value.
+	 */
+	function basicToDigit(codePoint) {
+		if (codePoint - 48 < 10) {
+			return codePoint - 22;
+		}
+		if (codePoint - 65 < 26) {
+			return codePoint - 65;
+		}
+		if (codePoint - 97 < 26) {
+			return codePoint - 97;
+		}
+		return base;
+	}
+
+	/**
+	 * Converts a digit/integer into a basic code point.
+	 * @see `basicToDigit()`
+	 * @private
+	 * @param {Number} digit The numeric value of a basic code point.
+	 * @returns {Number} The basic code point whose value (when used for
+	 * representing integers) is `digit`, which needs to be in the range
+	 * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
+	 * used; else, the lowercase form is used. The behavior is undefined
+	 * if `flag` is non-zero and `digit` has no uppercase form.
+	 */
+	function digitToBasic(digit, flag) {
+		//  0..25 map to ASCII a..z or A..Z
+		// 26..35 map to ASCII 0..9
+		return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
+	}
+
+	/**
+	 * Bias adaptation function as per section 3.4 of RFC 3492.
+	 * https://tools.ietf.org/html/rfc3492#section-3.4
+	 * @private
+	 */
+	function adapt(delta, numPoints, firstTime) {
+		var k = 0;
+		delta = firstTime ? floor(delta / damp) : delta >> 1;
+		delta += floor(delta / numPoints);
+		for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
+			delta = floor(delta / baseMinusTMin);
+		}
+		return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+	}
+
+	/**
+	 * Converts a Punycode string of ASCII-only symbols to a string of Unicode
+	 * symbols.
+	 * @memberOf punycode
+	 * @param {String} input The Punycode string of ASCII-only symbols.
+	 * @returns {String} The resulting string of Unicode symbols.
+	 */
+	function decode(input) {
+		// Don't use UCS-2
+		var output = [],
+		    inputLength = input.length,
+		    out,
+		    i = 0,
+		    n = initialN,
+		    bias = initialBias,
+		    basic,
+		    j,
+		    index,
+		    oldi,
+		    w,
+		    k,
+		    digit,
+		    t,
+		    /** Cached calculation results */
+		    baseMinusT;
+
+		// Handle the basic code points: let `basic` be the number of input code
+		// points before the last delimiter, or `0` if there is none, then copy
+		// the first basic code points to the output.
+
+		basic = input.lastIndexOf(delimiter);
+		if (basic < 0) {
+			basic = 0;
+		}
+
+		for (j = 0; j < basic; ++j) {
+			// if it's not a basic code point
+			if (input.charCodeAt(j) >= 0x80) {
+				error('not-basic');
+			}
+			output.push(input.charCodeAt(j));
+		}
+
+		// Main decoding loop: start just after the last delimiter if any basic code
+		// points were copied; start at the beginning otherwise.
+
+		for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {
+
+			// `index` is the index of the next character to be consumed.
+			// Decode a generalized variable-length integer into `delta`,
+			// which gets added to `i`. The overflow checking is easier
+			// if we increase `i` as we go, then subtract off its starting
+			// value at the end to obtain `delta`.
+			for (oldi = i, w = 1, k = base; /* no condition */; k += base) {
+
+				if (index >= inputLength) {
+					error('invalid-input');
+				}
+
+				digit = basicToDigit(input.charCodeAt(index++));
+
+				if (digit >= base || digit > floor((maxInt - i) / w)) {
+					error('overflow');
+				}
+
+				i += digit * w;
+				t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+
+				if (digit < t) {
+					break;
+				}
+
+				baseMinusT = base - t;
+				if (w > floor(maxInt / baseMinusT)) {
+					error('overflow');
+				}
+
+				w *= baseMinusT;
+
+			}
+
+			out = output.length + 1;
+			bias = adapt(i - oldi, out, oldi == 0);
+
+			// `i` was supposed to wrap around from `out` to `0`,
+			// incrementing `n` each time, so we'll fix that now:
+			if (floor(i / out) > maxInt - n) {
+				error('overflow');
+			}
+
+			n += floor(i / out);
+			i %= out;
+
+			// Insert `n` at position `i` of the output
+			output.splice(i++, 0, n);
+
+		}
+
+		return ucs2encode(output);
+	}
+
+	/**
+	 * Converts a string of Unicode symbols (e.g. a domain name label) to a
+	 * Punycode string of ASCII-only symbols.
+	 * @memberOf punycode
+	 * @param {String} input The string of Unicode symbols.
+	 * @returns {String} The resulting Punycode string of ASCII-only symbols.
+	 */
+	function encode(input) {
+		var n,
+		    delta,
+		    handledCPCount,
+		    basicLength,
+		    bias,
+		    j,
+		    m,
+		    q,
+		    k,
+		    t,
+		    currentValue,
+		    output = [],
+		    /** `inputLength` will hold the number of code points in `input`. */
+		    inputLength,
+		    /** Cached calculation results */
+		    handledCPCountPlusOne,
+		    baseMinusT,
+		    qMinusT;
+
+		// Convert the input in UCS-2 to Unicode
+		input = ucs2decode(input);
+
+		// Cache the length
+		inputLength = input.length;
+
+		// Initialize the state
+		n = initialN;
+		delta = 0;
+		bias = initialBias;
+
+		// Handle the basic code points
+		for (j = 0; j < inputLength; ++j) {
+			currentValue = input[j];
+			if (currentValue < 0x80) {
+				output.push(stringFromCharCode(currentValue));
+			}
+		}
+
+		handledCPCount = basicLength = output.length;
+
+		// `handledCPCount` is the number of code points that have been handled;
+		// `basicLength` is the number of basic code points.
+
+		// Finish the basic string - if it is not empty - with a delimiter
+		if (basicLength) {
+			output.push(delimiter);
+		}
+
+		// Main encoding loop:
+		while (handledCPCount < inputLength) {
+
+			// All non-basic code points < n have been handled already. Find the next
+			// larger one:
+			for (m = maxInt, j = 0; j < inputLength; ++j) {
+				currentValue = input[j];
+				if (currentValue >= n && currentValue < m) {
+					m = currentValue;
+				}
+			}
+
+			// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
+			// but guard against overflow
+			handledCPCountPlusOne = handledCPCount + 1;
+			if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+				error('overflow');
+			}
+
+			delta += (m - n) * handledCPCountPlusOne;
+			n = m;
+
+			for (j = 0; j < inputLength; ++j) {
+				currentValue = input[j];
+
+				if (currentValue < n && ++delta > maxInt) {
+					error('overflow');
+				}
+
+				if (currentValue == n) {
+					// Represent delta as a generalized variable-length integer
+					for (q = delta, k = base; /* no condition */; k += base) {
+						t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+						if (q < t) {
+							break;
+						}
+						qMinusT = q - t;
+						baseMinusT = base - t;
+						output.push(
+							stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
+						);
+						q = floor(qMinusT / baseMinusT);
+					}
+
+					output.push(stringFromCharCode(digitToBasic(q, 0)));
+					bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
+					delta = 0;
+					++handledCPCount;
+				}
+			}
+
+			++delta;
+			++n;
+
+		}
+		return output.join('');
+	}
+
+	/**
+	 * Converts a Punycode string representing a domain name or an email address
+	 * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
+	 * it doesn't matter if you call it on a string that has already been
+	 * converted to Unicode.
+	 * @memberOf punycode
+	 * @param {String} input The Punycoded domain name or email address to
+	 * convert to Unicode.
+	 * @returns {String} The Unicode representation of the given Punycode
+	 * string.
+	 */
+	function toUnicode(input) {
+		return mapDomain(input, function(string) {
+			return regexPunycode.test(string)
+				? decode(string.slice(4).toLowerCase())
+				: string;
+		});
+	}
+
+	/**
+	 * Converts a Unicode string representing a domain name or an email address to
+	 * Punycode. Only the non-ASCII parts of the domain name will be converted,
+	 * i.e. it doesn't matter if you call it with a domain that's already in
+	 * ASCII.
+	 * @memberOf punycode
+	 * @param {String} input The domain name or email address to convert, as a
+	 * Unicode string.
+	 * @returns {String} The Punycode representation of the given domain name or
+	 * email address.
+	 */
+	function toASCII(input) {
+		return mapDomain(input, function(string) {
+			return regexNonASCII.test(string)
+				? 'xn--' + encode(string)
+				: string;
+		});
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	/** Define the public API */
+	punycode = {
+		/**
+		 * A string representing the current Punycode.js version number.
+		 * @memberOf punycode
+		 * @type String
+		 */
+		'version': '1.4.1',
+		/**
+		 * An object of methods to convert from JavaScript's internal character
+		 * representation (UCS-2) to Unicode code points, and back.
+		 * @see <https://mathiasbynens.be/notes/javascript-encoding>
+		 * @memberOf punycode
+		 * @type Object
+		 */
+		'ucs2': {
+			'decode': ucs2decode,
+			'encode': ucs2encode
+		},
+		'decode': decode,
+		'encode': encode,
+		'toASCII': toASCII,
+		'toUnicode': toUnicode
+	};
+
+	/** Expose `punycode` */
+	// Some AMD build optimizers, like r.js, check for specific condition patterns
+	// like the following:
+	if (
+		typeof define == 'function' &&
+		typeof define.amd == 'object' &&
+		define.amd
+	) {
+		define('punycode', function() {
+			return punycode;
+		});
+	} else if (freeExports && freeModule) {
+		if (module.exports == freeExports) {
+			// in Node.js, io.js, or RingoJS v0.8.0+
+			freeModule.exports = punycode;
+		} else {
+			// in Narwhal or RingoJS v0.7.0-
+			for (key in punycode) {
+				punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]);
+			}
+		}
+	} else {
+		// in Rhino or a web browser
+		root.punycode = punycode;
+	}
+
+}(this));
+
+}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}]},{},[2])(2)
+});
diff --git a/node_modules/psl/dist/psl.min.js b/node_modules/psl/dist/psl.min.js
new file mode 100644
index 000000000..cbcd8eb3e
--- /dev/null
+++ b/node_modules/psl/dist/psl.min.js
@@ -0,0 +1 @@
+!function(a){"object"==typeof exports&&"undefined"!=typeof module?module.exports=a():"function"==typeof define&&define.amd?define([],a):("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).psl=a()}(function(){return function e(s,n,t){function m(o,a){if(!n[o]){if(!s[o]){var i="function"==typeof require&&require;if(!a&&i)return i(o,!0);if(u)return u(o,!0);throw(a=new Error("Cannot find module '"+o+"'")).code="MODULE_NOT_FOUND",a}i=n[o]={exports:{}},s[o][0].call(i.exports,function(a){return m(s[o][1][a]||a)},i,i.exports,e,s,n,t)}return n[o].exports}for(var u="function"==typeof require&&require,a=0;a<t.length;a++)m(t[a]);return 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It should be no more than 255 chars.",LABEL_STARTS_WITH_DASH:"Domain name label can not start with a dash.",LABEL_ENDS_WITH_DASH:"Domain name label can not end with a dash.",LABEL_TOO_LONG:"Domain name label should be at most 63 chars long.",LABEL_TOO_SHORT:"Domain name label should be at least 1 character long.",LABEL_INVALID_CHARS:"Domain name label can only contain alphanumeric characters or dashes."},u.validate=function(a){a=m.toASCII(a);if(a.length<1)return"DOMAIN_TOO_SHORT";if(255<a.length)return"DOMAIN_TOO_LONG";for(var o,i=a.split("."),e=0;e<i.length;++e){if(!(o=i[e]).length)return"LABEL_TOO_SHORT";if(63<o.length)return"LABEL_TOO_LONG";if("-"===o.charAt(0))return"LABEL_STARTS_WITH_DASH";if("-"===o.charAt(o.length-1))return"LABEL_ENDS_WITH_DASH";if(!/^[a-z0-9\-]+$/.test(o))return"LABEL_INVALID_CHARS"}},t.parse=function(a){if("string"!=typeof a)throw new TypeError("Domain name must be a string.");var o=a.slice(0).toLowerCase(),i=("."===o.charAt(o.length-1)&&(o=o.slice(0,o.length-1)),u.validate(o));if(i)return{input:a,error:{message:t.errorCodes[i],code:i}};var e={input:a,tld:null,sld:null,domain:null,subdomain:null,listed:!1},i=o.split(".");if("local"===i[i.length-1])return e;function s(){return/xn--/.test(o)&&(e.domain&&(e.domain=m.toASCII(e.domain)),e.subdomain&&(e.subdomain=m.toASCII(e.subdomain))),e}a=u.findRule(o);if(!a)return i.length<2?e:(e.tld=i.pop(),e.sld=i.pop(),e.domain=[e.sld,e.tld].join("."),i.length&&(e.subdomain=i.pop()),s());e.listed=!0;var n=a.suffix.split("."),i=i.slice(0,i.length-n.length);return a.exception&&i.push(n.shift()),e.tld=n.join("."),i.length&&(a.wildcard&&(n.unshift(i.pop()),e.tld=n.join(".")),i.length&&(e.sld=i.pop(),e.domain=[e.sld,e.tld].join("."),i.length&&(e.subdomain=i.join(".")))),s()},t.get=function(a){return a&&t.parse(a).domain||null},t.isValid=function(a){a=t.parse(a);return Boolean(a.domain&&a.listed)}},{"./data/rules.json":1,punycode:3}],3:[function(a,_,L){!function(O){!function(){var a=this,o="object"==typeof L&&L&&!L.nodeType&&L,i="object"==typeof _&&_&&!_.nodeType&&_,e="object"==typeof O&&O;e.global!==e&&e.window!==e&&e.self!==e||(a=e);var s,n,d=2147483647,j=36,b=26,t=38,m=700,u=/^xn--/,r=/[^\x20-\x7E]/,p=/[\x2E\u3002\uFF0E\uFF61]/g,c={overflow:"Overflow: input needs wider integers to process","not-basic":"Illegal input >= 0x80 (not a basic code point)","invalid-input":"Invalid input"},l=j-1,y=Math.floor,f=String.fromCharCode;function v(a){throw new RangeError(c[a])}function k(a,o){for(var i=a.length,e=[];i--;)e[i]=o(a[i]);return e}function g(a,o){var i=a.split("@"),e="",i=(1<i.length&&(e=i[0]+"@",a=i[1]),(a=a.replace(p,".")).split("."));return e+k(i,o).join(".")}function w(a){for(var o,i,e=[],s=0,n=a.length;s<n;)55296<=(o=a.charCodeAt(s++))&&o<=56319&&s<n?56320==(64512&(i=a.charCodeAt(s++)))?e.push(((1023&o)<<10)+(1023&i)+65536):(e.push(o),s--):e.push(o);return e}function h(a){return k(a,function(a){var o="";return 65535<a&&(o+=f((a-=65536)>>>10&1023|55296),a=56320|1023&a),o+=f(a)}).join("")}function z(a,o){return a+22+75*(a<26)-((0!=o)<<5)}function x(a,o,i){var e=0;for(a=i?y(a/m):a>>1,a+=y(a/o);l*b>>1<a;e+=j)a=y(a/l);return y(e+(l+1)*a/(a+t))}function q(a){var o,i,e,s,n,t,m,u=[],r=a.length,p=0,c=128,l=72,k=a.lastIndexOf("-");for(k<0&&(k=0),i=0;i<k;++i)128<=a.charCodeAt(i)&&v("not-basic"),u.push(a.charCodeAt(i));for(e=0<k?k+1:0;e<r;){for(s=p,n=1,t=j;r<=e&&v("invalid-input"),m=a.charCodeAt(e++),(j<=(m=m-48<10?m-22:m-65<26?m-65:m-97<26?m-97:j)||m>y((d-p)/n))&&v("overflow"),p+=m*n,!(m<(m=t<=l?1:l+b<=t?b:t-l));t+=j)n>y(d/(m=j-m))&&v("overflow"),n*=m;l=x(p-s,o=u.length+1,0==s),y(p/o)>d-c&&v("overflow"),c+=y(p/o),p%=o,u.splice(p++,0,c)}return h(u)}function A(a){for(var o,i,e,s,n,t,m,u,r,p,c=[],l=(a=w(a)).length,k=128,g=72,h=o=0;h<l;++h)(m=a[h])<128&&c.push(f(m));for(i=e=c.length,e&&c.push("-");i<l;){for(s=d,h=0;h<l;++h)k<=(m=a[h])&&m<s&&(s=m);for(s-k>y((d-o)/(u=i+1))&&v("overflow"),o+=(s-k)*u,k=s,h=0;h<l;++h)if((m=a[h])<k&&++o>d&&v("overflow"),m==k){for(n=o,t=j;!(n<(r=t<=g?1:g+b<=t?b:t-g));t+=j)c.push(f(z(r+(p=n-r)%(r=j-r),0))),n=y(p/r);c.push(f(z(n,0))),g=x(o,u,i==e),o=0,++i}++o,++k}return c.join("")}if(s={version:"1.4.1",ucs2:{decode:w,encode:h},decode:q,encode:A,toASCII:function(a){return g(a,function(a){return r.test(a)?"xn--"+A(a):a})},toUnicode:function(a){return g(a,function(a){return u.test(a)?q(a.slice(4).toLowerCase()):a})}},o&&i)if(_.exports==o)i.exports=s;else for(n in s)s.hasOwnProperty(n)&&(o[n]=s[n]);else a.punycode=s}.call(this)}.call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}]},{},[2])(2)});
diff --git a/node_modules/psl/index.js b/node_modules/psl/index.js
new file mode 100644
index 000000000..da7bc1213
--- /dev/null
+++ b/node_modules/psl/index.js
@@ -0,0 +1,269 @@
+/*eslint no-var:0, prefer-arrow-callback: 0, object-shorthand: 0 */
+'use strict';
+
+
+var Punycode = require('punycode');
+
+
+var internals = {};
+
+
+//
+// Read rules from file.
+//
+internals.rules = require('./data/rules.json').map(function (rule) {
+
+  return {
+    rule: rule,
+    suffix: rule.replace(/^(\*\.|\!)/, ''),
+    punySuffix: -1,
+    wildcard: rule.charAt(0) === '*',
+    exception: rule.charAt(0) === '!'
+  };
+});
+
+
+//
+// Check is given string ends with `suffix`.
+//
+internals.endsWith = function (str, suffix) {
+
+  return str.indexOf(suffix, str.length - suffix.length) !== -1;
+};
+
+
+//
+// Find rule for a given domain.
+//
+internals.findRule = function (domain) {
+
+  var punyDomain = Punycode.toASCII(domain);
+  return internals.rules.reduce(function (memo, rule) {
+
+    if (rule.punySuffix === -1){
+      rule.punySuffix = Punycode.toASCII(rule.suffix);
+    }
+    if (!internals.endsWith(punyDomain, '.' + rule.punySuffix) && punyDomain !== rule.punySuffix) {
+      return memo;
+    }
+    // This has been commented out as it never seems to run. This is because
+    // sub tlds always appear after their parents and we never find a shorter
+    // match.
+    //if (memo) {
+    //  var memoSuffix = Punycode.toASCII(memo.suffix);
+    //  if (memoSuffix.length >= punySuffix.length) {
+    //    return memo;
+    //  }
+    //}
+    return rule;
+  }, null);
+};
+
+
+//
+// Error codes and messages.
+//
+exports.errorCodes = {
+  DOMAIN_TOO_SHORT: 'Domain name too short.',
+  DOMAIN_TOO_LONG: 'Domain name too long. It should be no more than 255 chars.',
+  LABEL_STARTS_WITH_DASH: 'Domain name label can not start with a dash.',
+  LABEL_ENDS_WITH_DASH: 'Domain name label can not end with a dash.',
+  LABEL_TOO_LONG: 'Domain name label should be at most 63 chars long.',
+  LABEL_TOO_SHORT: 'Domain name label should be at least 1 character long.',
+  LABEL_INVALID_CHARS: 'Domain name label can only contain alphanumeric characters or dashes.'
+};
+
+
+//
+// Validate domain name and throw if not valid.
+//
+// From wikipedia:
+//
+// Hostnames are composed of series of labels concatenated with dots, as are all
+// domain names. Each label must be between 1 and 63 characters long, and the
+// entire hostname (including the delimiting dots) has a maximum of 255 chars.
+//
+// Allowed chars:
+//
+// * `a-z`
+// * `0-9`
+// * `-` but not as a starting or ending character
+// * `.` as a separator for the textual portions of a domain name
+//
+// * http://en.wikipedia.org/wiki/Domain_name
+// * http://en.wikipedia.org/wiki/Hostname
+//
+internals.validate = function (input) {
+
+  // Before we can validate we need to take care of IDNs with unicode chars.
+  var ascii = Punycode.toASCII(input);
+
+  if (ascii.length < 1) {
+    return 'DOMAIN_TOO_SHORT';
+  }
+  if (ascii.length > 255) {
+    return 'DOMAIN_TOO_LONG';
+  }
+
+  // Check each part's length and allowed chars.
+  var labels = ascii.split('.');
+  var label;
+
+  for (var i = 0; i < labels.length; ++i) {
+    label = labels[i];
+    if (!label.length) {
+      return 'LABEL_TOO_SHORT';
+    }
+    if (label.length > 63) {
+      return 'LABEL_TOO_LONG';
+    }
+    if (label.charAt(0) === '-') {
+      return 'LABEL_STARTS_WITH_DASH';
+    }
+    if (label.charAt(label.length - 1) === '-') {
+      return 'LABEL_ENDS_WITH_DASH';
+    }
+    if (!/^[a-z0-9\-]+$/.test(label)) {
+      return 'LABEL_INVALID_CHARS';
+    }
+  }
+};
+
+
+//
+// Public API
+//
+
+
+//
+// Parse domain.
+//
+exports.parse = function (input) {
+
+  if (typeof input !== 'string') {
+    throw new TypeError('Domain name must be a string.');
+  }
+
+  // Force domain to lowercase.
+  var domain = input.slice(0).toLowerCase();
+
+  // Handle FQDN.
+  // TODO: Simply remove trailing dot?
+  if (domain.charAt(domain.length - 1) === '.') {
+    domain = domain.slice(0, domain.length - 1);
+  }
+
+  // Validate and sanitise input.
+  var error = internals.validate(domain);
+  if (error) {
+    return {
+      input: input,
+      error: {
+        message: exports.errorCodes[error],
+        code: error
+      }
+    };
+  }
+
+  var parsed = {
+    input: input,
+    tld: null,
+    sld: null,
+    domain: null,
+    subdomain: null,
+    listed: false
+  };
+
+  var domainParts = domain.split('.');
+
+  // Non-Internet TLD
+  if (domainParts[domainParts.length - 1] === 'local') {
+    return parsed;
+  }
+
+  var handlePunycode = function () {
+
+    if (!/xn--/.test(domain)) {
+      return parsed;
+    }
+    if (parsed.domain) {
+      parsed.domain = Punycode.toASCII(parsed.domain);
+    }
+    if (parsed.subdomain) {
+      parsed.subdomain = Punycode.toASCII(parsed.subdomain);
+    }
+    return parsed;
+  };
+
+  var rule = internals.findRule(domain);
+
+  // Unlisted tld.
+  if (!rule) {
+    if (domainParts.length < 2) {
+      return parsed;
+    }
+    parsed.tld = domainParts.pop();
+    parsed.sld = domainParts.pop();
+    parsed.domain = [parsed.sld, parsed.tld].join('.');
+    if (domainParts.length) {
+      parsed.subdomain = domainParts.pop();
+    }
+    return handlePunycode();
+  }
+
+  // At this point we know the public suffix is listed.
+  parsed.listed = true;
+
+  var tldParts = rule.suffix.split('.');
+  var privateParts = domainParts.slice(0, domainParts.length - tldParts.length);
+
+  if (rule.exception) {
+    privateParts.push(tldParts.shift());
+  }
+
+  parsed.tld = tldParts.join('.');
+
+  if (!privateParts.length) {
+    return handlePunycode();
+  }
+
+  if (rule.wildcard) {
+    tldParts.unshift(privateParts.pop());
+    parsed.tld = tldParts.join('.');
+  }
+
+  if (!privateParts.length) {
+    return handlePunycode();
+  }
+
+  parsed.sld = privateParts.pop();
+  parsed.domain = [parsed.sld,  parsed.tld].join('.');
+
+  if (privateParts.length) {
+    parsed.subdomain = privateParts.join('.');
+  }
+
+  return handlePunycode();
+};
+
+
+//
+// Get domain.
+//
+exports.get = function (domain) {
+
+  if (!domain) {
+    return null;
+  }
+  return exports.parse(domain).domain || null;
+};
+
+
+//
+// Check whether domain belongs to a known public suffix.
+//
+exports.isValid = function (domain) {
+
+  var parsed = exports.parse(domain);
+  return Boolean(parsed.domain && parsed.listed);
+};
diff --git a/node_modules/psl/package.json b/node_modules/psl/package.json
new file mode 100644
index 000000000..baddd50bf
--- /dev/null
+++ b/node_modules/psl/package.json
@@ -0,0 +1,43 @@
+{
+  "name": "psl",
+  "version": "1.9.0",
+  "description": "Domain name parser based on the Public Suffix List",
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:lupomontero/psl.git"
+  },
+  "main": "index.js",
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha test/*.spec.js",
+    "test:browserstack": "node test/browserstack.js",
+    "watch": "mocha test --watch",
+    "prebuild": "./scripts/update-rules.js",
+    "build": "browserify ./index.js --standalone=psl > ./dist/psl.js",
+    "postbuild": "cat ./dist/psl.js | uglifyjs -c -m > ./dist/psl.min.js",
+    "commit-and-pr": "commit-and-pr",
+    "changelog": "git log $(git describe --tags --abbrev=0)..HEAD --oneline --format=\"%h %s (%an <%ae>)\""
+  },
+  "keywords": [
+    "publicsuffix",
+    "publicsuffixlist"
+  ],
+  "author": "Lupo Montero <lupomontero@gmail.com> (https://lupomontero.com/)",
+  "license": "MIT",
+  "devDependencies": {
+    "browserify": "^17.0.0",
+    "browserslist-browserstack": "^3.1.1",
+    "browserstack-local": "^1.5.1",
+    "chai": "^4.3.6",
+    "commit-and-pr": "^1.0.4",
+    "eslint": "^8.19.0",
+    "JSONStream": "^1.3.5",
+    "mocha": "^7.2.0",
+    "porch": "^2.0.0",
+    "request": "^2.88.2",
+    "selenium-webdriver": "^4.3.0",
+    "serve-handler": "^6.1.3",
+    "uglify-js": "^3.16.2",
+    "watchify": "^4.0.0"
+  }
+}
diff --git a/node_modules/punycode/LICENSE-MIT.txt b/node_modules/punycode/LICENSE-MIT.txt
new file mode 100644
index 000000000..a41e0a7ef
--- /dev/null
+++ b/node_modules/punycode/LICENSE-MIT.txt
@@ -0,0 +1,20 @@
+Copyright Mathias Bynens <https://mathiasbynens.be/>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/punycode/README.md b/node_modules/punycode/README.md
new file mode 100644
index 000000000..ee2f9d633
--- /dev/null
+++ b/node_modules/punycode/README.md
@@ -0,0 +1,122 @@
+# Punycode.js [![Build status](https://travis-ci.org/bestiejs/punycode.js.svg?branch=master)](https://travis-ci.org/bestiejs/punycode.js) [![Code coverage status](http://img.shields.io/codecov/c/github/bestiejs/punycode.js.svg)](https://codecov.io/gh/bestiejs/punycode.js) [![Dependency status](https://gemnasium.com/bestiejs/punycode.js.svg)](https://gemnasium.com/bestiejs/punycode.js)
+
+Punycode.js is a robust Punycode converter that fully complies to [RFC 3492](https://tools.ietf.org/html/rfc3492) and [RFC 5891](https://tools.ietf.org/html/rfc5891).
+
+This JavaScript library is the result of comparing, optimizing and documenting different open-source implementations of the Punycode algorithm:
+
+* [The C example code from RFC 3492](https://tools.ietf.org/html/rfc3492#appendix-C)
+* [`punycode.c` by _Markus W. Scherer_ (IBM)](http://opensource.apple.com/source/ICU/ICU-400.42/icuSources/common/punycode.c)
+* [`punycode.c` by _Ben Noordhuis_](https://github.com/bnoordhuis/punycode/blob/master/punycode.c)
+* [JavaScript implementation by _some_](http://stackoverflow.com/questions/183485/can-anyone-recommend-a-good-free-javascript-for-punycode-to-unicode-conversion/301287#301287)
+* [`punycode.js` by _Ben Noordhuis_](https://github.com/joyent/node/blob/426298c8c1c0d5b5224ac3658c41e7c2a3fe9377/lib/punycode.js) (note: [not fully compliant](https://github.com/joyent/node/issues/2072))
+
+This project was [bundled](https://github.com/joyent/node/blob/master/lib/punycode.js) with Node.js from [v0.6.2+](https://github.com/joyent/node/compare/975f1930b1...61e796decc) until [v7](https://github.com/nodejs/node/pull/7941) (soft-deprecated).
+
+The current version supports recent versions of Node.js only. It provides a CommonJS module and an ES6 module. For the old version that offers the same functionality with broader support, including Rhino, Ringo, Narwhal, and web browsers, see [v1.4.1](https://github.com/bestiejs/punycode.js/releases/tag/v1.4.1).
+
+## Installation
+
+Via [npm](https://www.npmjs.com/):
+
+```bash
+npm install punycode --save
+```
+
+In [Node.js](https://nodejs.org/):
+
+```js
+const punycode = require('punycode');
+```
+
+## API
+
+### `punycode.decode(string)`
+
+Converts a Punycode string of ASCII symbols to a string of Unicode symbols.
+
+```js
+// decode domain name parts
+punycode.decode('maana-pta'); // 'mañana'
+punycode.decode('--dqo34k'); // '☃-⌘'
+```
+
+### `punycode.encode(string)`
+
+Converts a string of Unicode symbols to a Punycode string of ASCII symbols.
+
+```js
+// encode domain name parts
+punycode.encode('mañana'); // 'maana-pta'
+punycode.encode('☃-⌘'); // '--dqo34k'
+```
+
+### `punycode.toUnicode(input)`
+
+Converts a Punycode string representing a domain name or an email address to Unicode. Only the Punycoded parts of the input will be converted, i.e. it doesn’t matter if you call it on a string that has already been converted to Unicode.
+
+```js
+// decode domain names
+punycode.toUnicode('xn--maana-pta.com');
+// → 'mañana.com'
+punycode.toUnicode('xn----dqo34k.com');
+// → '☃-⌘.com'
+
+// decode email addresses
+punycode.toUnicode('джумла@xn--p-8sbkgc5ag7bhce.xn--ba-lmcq');
+// → 'джумла@джpумлатест.bрфa'
+```
+
+### `punycode.toASCII(input)`
+
+Converts a lowercased Unicode string representing a domain name or an email address to Punycode. Only the non-ASCII parts of the input will be converted, i.e. it doesn’t matter if you call it with a domain that’s already in ASCII.
+
+```js
+// encode domain names
+punycode.toASCII('mañana.com');
+// → 'xn--maana-pta.com'
+punycode.toASCII('☃-⌘.com');
+// → 'xn----dqo34k.com'
+
+// encode email addresses
+punycode.toASCII('джумла@джpумлатест.bрфa');
+// → 'джумла@xn--p-8sbkgc5ag7bhce.xn--ba-lmcq'
+```
+
+### `punycode.ucs2`
+
+#### `punycode.ucs2.decode(string)`
+
+Creates an array containing the numeric code point values of each Unicode symbol in the string. While [JavaScript uses UCS-2 internally](https://mathiasbynens.be/notes/javascript-encoding), this function will convert a pair of surrogate halves (each of which UCS-2 exposes as separate characters) into a single code point, matching UTF-16.
+
+```js
+punycode.ucs2.decode('abc');
+// → [0x61, 0x62, 0x63]
+// surrogate pair for U+1D306 TETRAGRAM FOR CENTRE:
+punycode.ucs2.decode('\uD834\uDF06');
+// → [0x1D306]
+```
+
+#### `punycode.ucs2.encode(codePoints)`
+
+Creates a string based on an array of numeric code point values.
+
+```js
+punycode.ucs2.encode([0x61, 0x62, 0x63]);
+// → 'abc'
+punycode.ucs2.encode([0x1D306]);
+// → '\uD834\uDF06'
+```
+
+### `punycode.version`
+
+A string representing the current Punycode.js version number.
+
+## Author
+
+| [![twitter/mathias](https://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter") |
+|---|
+| [Mathias Bynens](https://mathiasbynens.be/) |
+
+## License
+
+Punycode.js is available under the [MIT](https://mths.be/mit) license.
diff --git a/node_modules/punycode/package.json b/node_modules/punycode/package.json
new file mode 100644
index 000000000..9202ccf8c
--- /dev/null
+++ b/node_modules/punycode/package.json
@@ -0,0 +1,58 @@
+{
+  "name": "punycode",
+  "version": "2.1.1",
+  "description": "A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.",
+  "homepage": "https://mths.be/punycode",
+  "main": "punycode.js",
+  "jsnext:main": "punycode.es6.js",
+  "module": "punycode.es6.js",
+  "engines": {
+    "node": ">=6"
+  },
+  "keywords": [
+    "punycode",
+    "unicode",
+    "idn",
+    "idna",
+    "dns",
+    "url",
+    "domain"
+  ],
+  "license": "MIT",
+  "author": {
+    "name": "Mathias Bynens",
+    "url": "https://mathiasbynens.be/"
+  },
+  "contributors": [
+    {
+      "name": "Mathias Bynens",
+      "url": "https://mathiasbynens.be/"
+    }
+  ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/bestiejs/punycode.js.git"
+  },
+  "bugs": "https://github.com/bestiejs/punycode.js/issues",
+  "files": [
+    "LICENSE-MIT.txt",
+    "punycode.js",
+    "punycode.es6.js"
+  ],
+  "scripts": {
+    "test": "mocha tests",
+    "prepublish": "node scripts/prepublish.js"
+  },
+  "devDependencies": {
+    "codecov": "^1.0.1",
+    "istanbul": "^0.4.1",
+    "mocha": "^2.5.3"
+  },
+  "jspm": {
+    "map": {
+      "./punycode.js": {
+        "node": "@node/punycode"
+      }
+    }
+  }
+}
diff --git a/node_modules/punycode/punycode.es6.js b/node_modules/punycode/punycode.es6.js
new file mode 100644
index 000000000..4610bc9eb
--- /dev/null
+++ b/node_modules/punycode/punycode.es6.js
@@ -0,0 +1,441 @@
+'use strict';
+
+/** Highest positive signed 32-bit float value */
+const maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1
+
+/** Bootstring parameters */
+const base = 36;
+const tMin = 1;
+const tMax = 26;
+const skew = 38;
+const damp = 700;
+const initialBias = 72;
+const initialN = 128; // 0x80
+const delimiter = '-'; // '\x2D'
+
+/** Regular expressions */
+const regexPunycode = /^xn--/;
+const regexNonASCII = /[^\0-\x7E]/; // non-ASCII chars
+const regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators
+
+/** Error messages */
+const errors = {
+	'overflow': 'Overflow: input needs wider integers to process',
+	'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
+	'invalid-input': 'Invalid input'
+};
+
+/** Convenience shortcuts */
+const baseMinusTMin = base - tMin;
+const floor = Math.floor;
+const stringFromCharCode = String.fromCharCode;
+
+/*--------------------------------------------------------------------------*/
+
+/**
+ * A generic error utility function.
+ * @private
+ * @param {String} type The error type.
+ * @returns {Error} Throws a `RangeError` with the applicable error message.
+ */
+function error(type) {
+	throw new RangeError(errors[type]);
+}
+
+/**
+ * A generic `Array#map` utility function.
+ * @private
+ * @param {Array} array The array to iterate over.
+ * @param {Function} callback The function that gets called for every array
+ * item.
+ * @returns {Array} A new array of values returned by the callback function.
+ */
+function map(array, fn) {
+	const result = [];
+	let length = array.length;
+	while (length--) {
+		result[length] = fn(array[length]);
+	}
+	return result;
+}
+
+/**
+ * A simple `Array#map`-like wrapper to work with domain name strings or email
+ * addresses.
+ * @private
+ * @param {String} domain The domain name or email address.
+ * @param {Function} callback The function that gets called for every
+ * character.
+ * @returns {Array} A new string of characters returned by the callback
+ * function.
+ */
+function mapDomain(string, fn) {
+	const parts = string.split('@');
+	let result = '';
+	if (parts.length > 1) {
+		// In email addresses, only the domain name should be punycoded. Leave
+		// the local part (i.e. everything up to `@`) intact.
+		result = parts[0] + '@';
+		string = parts[1];
+	}
+	// Avoid `split(regex)` for IE8 compatibility. See #17.
+	string = string.replace(regexSeparators, '\x2E');
+	const labels = string.split('.');
+	const encoded = map(labels, fn).join('.');
+	return result + encoded;
+}
+
+/**
+ * Creates an array containing the numeric code points of each Unicode
+ * character in the string. While JavaScript uses UCS-2 internally,
+ * this function will convert a pair of surrogate halves (each of which
+ * UCS-2 exposes as separate characters) into a single code point,
+ * matching UTF-16.
+ * @see `punycode.ucs2.encode`
+ * @see <https://mathiasbynens.be/notes/javascript-encoding>
+ * @memberOf punycode.ucs2
+ * @name decode
+ * @param {String} string The Unicode input string (UCS-2).
+ * @returns {Array} The new array of code points.
+ */
+function ucs2decode(string) {
+	const output = [];
+	let counter = 0;
+	const length = string.length;
+	while (counter < length) {
+		const value = string.charCodeAt(counter++);
+		if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+			// It's a high surrogate, and there is a next character.
+			const extra = string.charCodeAt(counter++);
+			if ((extra & 0xFC00) == 0xDC00) { // Low surrogate.
+				output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+			} else {
+				// It's an unmatched surrogate; only append this code unit, in case the
+				// next code unit is the high surrogate of a surrogate pair.
+				output.push(value);
+				counter--;
+			}
+		} else {
+			output.push(value);
+		}
+	}
+	return output;
+}
+
+/**
+ * Creates a string based on an array of numeric code points.
+ * @see `punycode.ucs2.decode`
+ * @memberOf punycode.ucs2
+ * @name encode
+ * @param {Array} codePoints The array of numeric code points.
+ * @returns {String} The new Unicode string (UCS-2).
+ */
+const ucs2encode = array => String.fromCodePoint(...array);
+
+/**
+ * Converts a basic code point into a digit/integer.
+ * @see `digitToBasic()`
+ * @private
+ * @param {Number} codePoint The basic numeric code point value.
+ * @returns {Number} The numeric value of a basic code point (for use in
+ * representing integers) in the range `0` to `base - 1`, or `base` if
+ * the code point does not represent a value.
+ */
+const basicToDigit = function(codePoint) {
+	if (codePoint - 0x30 < 0x0A) {
+		return codePoint - 0x16;
+	}
+	if (codePoint - 0x41 < 0x1A) {
+		return codePoint - 0x41;
+	}
+	if (codePoint - 0x61 < 0x1A) {
+		return codePoint - 0x61;
+	}
+	return base;
+};
+
+/**
+ * Converts a digit/integer into a basic code point.
+ * @see `basicToDigit()`
+ * @private
+ * @param {Number} digit The numeric value of a basic code point.
+ * @returns {Number} The basic code point whose value (when used for
+ * representing integers) is `digit`, which needs to be in the range
+ * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
+ * used; else, the lowercase form is used. The behavior is undefined
+ * if `flag` is non-zero and `digit` has no uppercase form.
+ */
+const digitToBasic = function(digit, flag) {
+	//  0..25 map to ASCII a..z or A..Z
+	// 26..35 map to ASCII 0..9
+	return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
+};
+
+/**
+ * Bias adaptation function as per section 3.4 of RFC 3492.
+ * https://tools.ietf.org/html/rfc3492#section-3.4
+ * @private
+ */
+const adapt = function(delta, numPoints, firstTime) {
+	let k = 0;
+	delta = firstTime ? floor(delta / damp) : delta >> 1;
+	delta += floor(delta / numPoints);
+	for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
+		delta = floor(delta / baseMinusTMin);
+	}
+	return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+};
+
+/**
+ * Converts a Punycode string of ASCII-only symbols to a string of Unicode
+ * symbols.
+ * @memberOf punycode
+ * @param {String} input The Punycode string of ASCII-only symbols.
+ * @returns {String} The resulting string of Unicode symbols.
+ */
+const decode = function(input) {
+	// Don't use UCS-2.
+	const output = [];
+	const inputLength = input.length;
+	let i = 0;
+	let n = initialN;
+	let bias = initialBias;
+
+	// Handle the basic code points: let `basic` be the number of input code
+	// points before the last delimiter, or `0` if there is none, then copy
+	// the first basic code points to the output.
+
+	let basic = input.lastIndexOf(delimiter);
+	if (basic < 0) {
+		basic = 0;
+	}
+
+	for (let j = 0; j < basic; ++j) {
+		// if it's not a basic code point
+		if (input.charCodeAt(j) >= 0x80) {
+			error('not-basic');
+		}
+		output.push(input.charCodeAt(j));
+	}
+
+	// Main decoding loop: start just after the last delimiter if any basic code
+	// points were copied; start at the beginning otherwise.
+
+	for (let index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {
+
+		// `index` is the index of the next character to be consumed.
+		// Decode a generalized variable-length integer into `delta`,
+		// which gets added to `i`. The overflow checking is easier
+		// if we increase `i` as we go, then subtract off its starting
+		// value at the end to obtain `delta`.
+		let oldi = i;
+		for (let w = 1, k = base; /* no condition */; k += base) {
+
+			if (index >= inputLength) {
+				error('invalid-input');
+			}
+
+			const digit = basicToDigit(input.charCodeAt(index++));
+
+			if (digit >= base || digit > floor((maxInt - i) / w)) {
+				error('overflow');
+			}
+
+			i += digit * w;
+			const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+
+			if (digit < t) {
+				break;
+			}
+
+			const baseMinusT = base - t;
+			if (w > floor(maxInt / baseMinusT)) {
+				error('overflow');
+			}
+
+			w *= baseMinusT;
+
+		}
+
+		const out = output.length + 1;
+		bias = adapt(i - oldi, out, oldi == 0);
+
+		// `i` was supposed to wrap around from `out` to `0`,
+		// incrementing `n` each time, so we'll fix that now:
+		if (floor(i / out) > maxInt - n) {
+			error('overflow');
+		}
+
+		n += floor(i / out);
+		i %= out;
+
+		// Insert `n` at position `i` of the output.
+		output.splice(i++, 0, n);
+
+	}
+
+	return String.fromCodePoint(...output);
+};
+
+/**
+ * Converts a string of Unicode symbols (e.g. a domain name label) to a
+ * Punycode string of ASCII-only symbols.
+ * @memberOf punycode
+ * @param {String} input The string of Unicode symbols.
+ * @returns {String} The resulting Punycode string of ASCII-only symbols.
+ */
+const encode = function(input) {
+	const output = [];
+
+	// Convert the input in UCS-2 to an array of Unicode code points.
+	input = ucs2decode(input);
+
+	// Cache the length.
+	let inputLength = input.length;
+
+	// Initialize the state.
+	let n = initialN;
+	let delta = 0;
+	let bias = initialBias;
+
+	// Handle the basic code points.
+	for (const currentValue of input) {
+		if (currentValue < 0x80) {
+			output.push(stringFromCharCode(currentValue));
+		}
+	}
+
+	let basicLength = output.length;
+	let handledCPCount = basicLength;
+
+	// `handledCPCount` is the number of code points that have been handled;
+	// `basicLength` is the number of basic code points.
+
+	// Finish the basic string with a delimiter unless it's empty.
+	if (basicLength) {
+		output.push(delimiter);
+	}
+
+	// Main encoding loop:
+	while (handledCPCount < inputLength) {
+
+		// All non-basic code points < n have been handled already. Find the next
+		// larger one:
+		let m = maxInt;
+		for (const currentValue of input) {
+			if (currentValue >= n && currentValue < m) {
+				m = currentValue;
+			}
+		}
+
+		// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
+		// but guard against overflow.
+		const handledCPCountPlusOne = handledCPCount + 1;
+		if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+			error('overflow');
+		}
+
+		delta += (m - n) * handledCPCountPlusOne;
+		n = m;
+
+		for (const currentValue of input) {
+			if (currentValue < n && ++delta > maxInt) {
+				error('overflow');
+			}
+			if (currentValue == n) {
+				// Represent delta as a generalized variable-length integer.
+				let q = delta;
+				for (let k = base; /* no condition */; k += base) {
+					const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+					if (q < t) {
+						break;
+					}
+					const qMinusT = q - t;
+					const baseMinusT = base - t;
+					output.push(
+						stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
+					);
+					q = floor(qMinusT / baseMinusT);
+				}
+
+				output.push(stringFromCharCode(digitToBasic(q, 0)));
+				bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
+				delta = 0;
+				++handledCPCount;
+			}
+		}
+
+		++delta;
+		++n;
+
+	}
+	return output.join('');
+};
+
+/**
+ * Converts a Punycode string representing a domain name or an email address
+ * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
+ * it doesn't matter if you call it on a string that has already been
+ * converted to Unicode.
+ * @memberOf punycode
+ * @param {String} input The Punycoded domain name or email address to
+ * convert to Unicode.
+ * @returns {String} The Unicode representation of the given Punycode
+ * string.
+ */
+const toUnicode = function(input) {
+	return mapDomain(input, function(string) {
+		return regexPunycode.test(string)
+			? decode(string.slice(4).toLowerCase())
+			: string;
+	});
+};
+
+/**
+ * Converts a Unicode string representing a domain name or an email address to
+ * Punycode. Only the non-ASCII parts of the domain name will be converted,
+ * i.e. it doesn't matter if you call it with a domain that's already in
+ * ASCII.
+ * @memberOf punycode
+ * @param {String} input The domain name or email address to convert, as a
+ * Unicode string.
+ * @returns {String} The Punycode representation of the given domain name or
+ * email address.
+ */
+const toASCII = function(input) {
+	return mapDomain(input, function(string) {
+		return regexNonASCII.test(string)
+			? 'xn--' + encode(string)
+			: string;
+	});
+};
+
+/*--------------------------------------------------------------------------*/
+
+/** Define the public API */
+const punycode = {
+	/**
+	 * A string representing the current Punycode.js version number.
+	 * @memberOf punycode
+	 * @type String
+	 */
+	'version': '2.1.0',
+	/**
+	 * An object of methods to convert from JavaScript's internal character
+	 * representation (UCS-2) to Unicode code points, and back.
+	 * @see <https://mathiasbynens.be/notes/javascript-encoding>
+	 * @memberOf punycode
+	 * @type Object
+	 */
+	'ucs2': {
+		'decode': ucs2decode,
+		'encode': ucs2encode
+	},
+	'decode': decode,
+	'encode': encode,
+	'toASCII': toASCII,
+	'toUnicode': toUnicode
+};
+
+export { ucs2decode, ucs2encode, decode, encode, toASCII, toUnicode };
+export default punycode;
diff --git a/node_modules/punycode/punycode.js b/node_modules/punycode/punycode.js
new file mode 100644
index 000000000..ea61fd0d3
--- /dev/null
+++ b/node_modules/punycode/punycode.js
@@ -0,0 +1,440 @@
+'use strict';
+
+/** Highest positive signed 32-bit float value */
+const maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1
+
+/** Bootstring parameters */
+const base = 36;
+const tMin = 1;
+const tMax = 26;
+const skew = 38;
+const damp = 700;
+const initialBias = 72;
+const initialN = 128; // 0x80
+const delimiter = '-'; // '\x2D'
+
+/** Regular expressions */
+const regexPunycode = /^xn--/;
+const regexNonASCII = /[^\0-\x7E]/; // non-ASCII chars
+const regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators
+
+/** Error messages */
+const errors = {
+	'overflow': 'Overflow: input needs wider integers to process',
+	'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
+	'invalid-input': 'Invalid input'
+};
+
+/** Convenience shortcuts */
+const baseMinusTMin = base - tMin;
+const floor = Math.floor;
+const stringFromCharCode = String.fromCharCode;
+
+/*--------------------------------------------------------------------------*/
+
+/**
+ * A generic error utility function.
+ * @private
+ * @param {String} type The error type.
+ * @returns {Error} Throws a `RangeError` with the applicable error message.
+ */
+function error(type) {
+	throw new RangeError(errors[type]);
+}
+
+/**
+ * A generic `Array#map` utility function.
+ * @private
+ * @param {Array} array The array to iterate over.
+ * @param {Function} callback The function that gets called for every array
+ * item.
+ * @returns {Array} A new array of values returned by the callback function.
+ */
+function map(array, fn) {
+	const result = [];
+	let length = array.length;
+	while (length--) {
+		result[length] = fn(array[length]);
+	}
+	return result;
+}
+
+/**
+ * A simple `Array#map`-like wrapper to work with domain name strings or email
+ * addresses.
+ * @private
+ * @param {String} domain The domain name or email address.
+ * @param {Function} callback The function that gets called for every
+ * character.
+ * @returns {Array} A new string of characters returned by the callback
+ * function.
+ */
+function mapDomain(string, fn) {
+	const parts = string.split('@');
+	let result = '';
+	if (parts.length > 1) {
+		// In email addresses, only the domain name should be punycoded. Leave
+		// the local part (i.e. everything up to `@`) intact.
+		result = parts[0] + '@';
+		string = parts[1];
+	}
+	// Avoid `split(regex)` for IE8 compatibility. See #17.
+	string = string.replace(regexSeparators, '\x2E');
+	const labels = string.split('.');
+	const encoded = map(labels, fn).join('.');
+	return result + encoded;
+}
+
+/**
+ * Creates an array containing the numeric code points of each Unicode
+ * character in the string. While JavaScript uses UCS-2 internally,
+ * this function will convert a pair of surrogate halves (each of which
+ * UCS-2 exposes as separate characters) into a single code point,
+ * matching UTF-16.
+ * @see `punycode.ucs2.encode`
+ * @see <https://mathiasbynens.be/notes/javascript-encoding>
+ * @memberOf punycode.ucs2
+ * @name decode
+ * @param {String} string The Unicode input string (UCS-2).
+ * @returns {Array} The new array of code points.
+ */
+function ucs2decode(string) {
+	const output = [];
+	let counter = 0;
+	const length = string.length;
+	while (counter < length) {
+		const value = string.charCodeAt(counter++);
+		if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+			// It's a high surrogate, and there is a next character.
+			const extra = string.charCodeAt(counter++);
+			if ((extra & 0xFC00) == 0xDC00) { // Low surrogate.
+				output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+			} else {
+				// It's an unmatched surrogate; only append this code unit, in case the
+				// next code unit is the high surrogate of a surrogate pair.
+				output.push(value);
+				counter--;
+			}
+		} else {
+			output.push(value);
+		}
+	}
+	return output;
+}
+
+/**
+ * Creates a string based on an array of numeric code points.
+ * @see `punycode.ucs2.decode`
+ * @memberOf punycode.ucs2
+ * @name encode
+ * @param {Array} codePoints The array of numeric code points.
+ * @returns {String} The new Unicode string (UCS-2).
+ */
+const ucs2encode = array => String.fromCodePoint(...array);
+
+/**
+ * Converts a basic code point into a digit/integer.
+ * @see `digitToBasic()`
+ * @private
+ * @param {Number} codePoint The basic numeric code point value.
+ * @returns {Number} The numeric value of a basic code point (for use in
+ * representing integers) in the range `0` to `base - 1`, or `base` if
+ * the code point does not represent a value.
+ */
+const basicToDigit = function(codePoint) {
+	if (codePoint - 0x30 < 0x0A) {
+		return codePoint - 0x16;
+	}
+	if (codePoint - 0x41 < 0x1A) {
+		return codePoint - 0x41;
+	}
+	if (codePoint - 0x61 < 0x1A) {
+		return codePoint - 0x61;
+	}
+	return base;
+};
+
+/**
+ * Converts a digit/integer into a basic code point.
+ * @see `basicToDigit()`
+ * @private
+ * @param {Number} digit The numeric value of a basic code point.
+ * @returns {Number} The basic code point whose value (when used for
+ * representing integers) is `digit`, which needs to be in the range
+ * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
+ * used; else, the lowercase form is used. The behavior is undefined
+ * if `flag` is non-zero and `digit` has no uppercase form.
+ */
+const digitToBasic = function(digit, flag) {
+	//  0..25 map to ASCII a..z or A..Z
+	// 26..35 map to ASCII 0..9
+	return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
+};
+
+/**
+ * Bias adaptation function as per section 3.4 of RFC 3492.
+ * https://tools.ietf.org/html/rfc3492#section-3.4
+ * @private
+ */
+const adapt = function(delta, numPoints, firstTime) {
+	let k = 0;
+	delta = firstTime ? floor(delta / damp) : delta >> 1;
+	delta += floor(delta / numPoints);
+	for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
+		delta = floor(delta / baseMinusTMin);
+	}
+	return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+};
+
+/**
+ * Converts a Punycode string of ASCII-only symbols to a string of Unicode
+ * symbols.
+ * @memberOf punycode
+ * @param {String} input The Punycode string of ASCII-only symbols.
+ * @returns {String} The resulting string of Unicode symbols.
+ */
+const decode = function(input) {
+	// Don't use UCS-2.
+	const output = [];
+	const inputLength = input.length;
+	let i = 0;
+	let n = initialN;
+	let bias = initialBias;
+
+	// Handle the basic code points: let `basic` be the number of input code
+	// points before the last delimiter, or `0` if there is none, then copy
+	// the first basic code points to the output.
+
+	let basic = input.lastIndexOf(delimiter);
+	if (basic < 0) {
+		basic = 0;
+	}
+
+	for (let j = 0; j < basic; ++j) {
+		// if it's not a basic code point
+		if (input.charCodeAt(j) >= 0x80) {
+			error('not-basic');
+		}
+		output.push(input.charCodeAt(j));
+	}
+
+	// Main decoding loop: start just after the last delimiter if any basic code
+	// points were copied; start at the beginning otherwise.
+
+	for (let index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {
+
+		// `index` is the index of the next character to be consumed.
+		// Decode a generalized variable-length integer into `delta`,
+		// which gets added to `i`. The overflow checking is easier
+		// if we increase `i` as we go, then subtract off its starting
+		// value at the end to obtain `delta`.
+		let oldi = i;
+		for (let w = 1, k = base; /* no condition */; k += base) {
+
+			if (index >= inputLength) {
+				error('invalid-input');
+			}
+
+			const digit = basicToDigit(input.charCodeAt(index++));
+
+			if (digit >= base || digit > floor((maxInt - i) / w)) {
+				error('overflow');
+			}
+
+			i += digit * w;
+			const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+
+			if (digit < t) {
+				break;
+			}
+
+			const baseMinusT = base - t;
+			if (w > floor(maxInt / baseMinusT)) {
+				error('overflow');
+			}
+
+			w *= baseMinusT;
+
+		}
+
+		const out = output.length + 1;
+		bias = adapt(i - oldi, out, oldi == 0);
+
+		// `i` was supposed to wrap around from `out` to `0`,
+		// incrementing `n` each time, so we'll fix that now:
+		if (floor(i / out) > maxInt - n) {
+			error('overflow');
+		}
+
+		n += floor(i / out);
+		i %= out;
+
+		// Insert `n` at position `i` of the output.
+		output.splice(i++, 0, n);
+
+	}
+
+	return String.fromCodePoint(...output);
+};
+
+/**
+ * Converts a string of Unicode symbols (e.g. a domain name label) to a
+ * Punycode string of ASCII-only symbols.
+ * @memberOf punycode
+ * @param {String} input The string of Unicode symbols.
+ * @returns {String} The resulting Punycode string of ASCII-only symbols.
+ */
+const encode = function(input) {
+	const output = [];
+
+	// Convert the input in UCS-2 to an array of Unicode code points.
+	input = ucs2decode(input);
+
+	// Cache the length.
+	let inputLength = input.length;
+
+	// Initialize the state.
+	let n = initialN;
+	let delta = 0;
+	let bias = initialBias;
+
+	// Handle the basic code points.
+	for (const currentValue of input) {
+		if (currentValue < 0x80) {
+			output.push(stringFromCharCode(currentValue));
+		}
+	}
+
+	let basicLength = output.length;
+	let handledCPCount = basicLength;
+
+	// `handledCPCount` is the number of code points that have been handled;
+	// `basicLength` is the number of basic code points.
+
+	// Finish the basic string with a delimiter unless it's empty.
+	if (basicLength) {
+		output.push(delimiter);
+	}
+
+	// Main encoding loop:
+	while (handledCPCount < inputLength) {
+
+		// All non-basic code points < n have been handled already. Find the next
+		// larger one:
+		let m = maxInt;
+		for (const currentValue of input) {
+			if (currentValue >= n && currentValue < m) {
+				m = currentValue;
+			}
+		}
+
+		// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
+		// but guard against overflow.
+		const handledCPCountPlusOne = handledCPCount + 1;
+		if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+			error('overflow');
+		}
+
+		delta += (m - n) * handledCPCountPlusOne;
+		n = m;
+
+		for (const currentValue of input) {
+			if (currentValue < n && ++delta > maxInt) {
+				error('overflow');
+			}
+			if (currentValue == n) {
+				// Represent delta as a generalized variable-length integer.
+				let q = delta;
+				for (let k = base; /* no condition */; k += base) {
+					const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
+					if (q < t) {
+						break;
+					}
+					const qMinusT = q - t;
+					const baseMinusT = base - t;
+					output.push(
+						stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
+					);
+					q = floor(qMinusT / baseMinusT);
+				}
+
+				output.push(stringFromCharCode(digitToBasic(q, 0)));
+				bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
+				delta = 0;
+				++handledCPCount;
+			}
+		}
+
+		++delta;
+		++n;
+
+	}
+	return output.join('');
+};
+
+/**
+ * Converts a Punycode string representing a domain name or an email address
+ * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
+ * it doesn't matter if you call it on a string that has already been
+ * converted to Unicode.
+ * @memberOf punycode
+ * @param {String} input The Punycoded domain name or email address to
+ * convert to Unicode.
+ * @returns {String} The Unicode representation of the given Punycode
+ * string.
+ */
+const toUnicode = function(input) {
+	return mapDomain(input, function(string) {
+		return regexPunycode.test(string)
+			? decode(string.slice(4).toLowerCase())
+			: string;
+	});
+};
+
+/**
+ * Converts a Unicode string representing a domain name or an email address to
+ * Punycode. Only the non-ASCII parts of the domain name will be converted,
+ * i.e. it doesn't matter if you call it with a domain that's already in
+ * ASCII.
+ * @memberOf punycode
+ * @param {String} input The domain name or email address to convert, as a
+ * Unicode string.
+ * @returns {String} The Punycode representation of the given domain name or
+ * email address.
+ */
+const toASCII = function(input) {
+	return mapDomain(input, function(string) {
+		return regexNonASCII.test(string)
+			? 'xn--' + encode(string)
+			: string;
+	});
+};
+
+/*--------------------------------------------------------------------------*/
+
+/** Define the public API */
+const punycode = {
+	/**
+	 * A string representing the current Punycode.js version number.
+	 * @memberOf punycode
+	 * @type String
+	 */
+	'version': '2.1.0',
+	/**
+	 * An object of methods to convert from JavaScript's internal character
+	 * representation (UCS-2) to Unicode code points, and back.
+	 * @see <https://mathiasbynens.be/notes/javascript-encoding>
+	 * @memberOf punycode
+	 * @type Object
+	 */
+	'ucs2': {
+		'decode': ucs2decode,
+		'encode': ucs2encode
+	},
+	'decode': decode,
+	'encode': encode,
+	'toASCII': toASCII,
+	'toUnicode': toUnicode
+};
+
+module.exports = punycode;
diff --git a/node_modules/qs/.editorconfig b/node_modules/qs/.editorconfig
new file mode 100644
index 000000000..0ea91d995
--- /dev/null
+++ b/node_modules/qs/.editorconfig
@@ -0,0 +1,40 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 160
+quote_type = single
+
+[test/*]
+max_line_length = off
+
+[LICENSE.md]
+indent_size = off
+
+[*.md]
+max_line_length = off
+
+[*.json]
+max_line_length = off
+
+[Makefile]
+max_line_length = off
+
+[CHANGELOG.md]
+indent_style = space
+indent_size = 2
+
+[LICENSE]
+indent_size = 2
+max_line_length = off
+
+[coverage/**/*]
+indent_size = off
+indent_style = off
+indent = off
+max_line_length = off
diff --git a/node_modules/qs/.eslintrc b/node_modules/qs/.eslintrc
new file mode 100644
index 000000000..6884760ee
--- /dev/null
+++ b/node_modules/qs/.eslintrc
@@ -0,0 +1,38 @@
+{
+    "root": true,
+
+    "extends": "@ljharb",
+
+    "ignorePatterns": [
+        "dist/",
+    ],
+
+    "rules": {
+        "complexity": 0,
+        "consistent-return": 1,
+        "func-name-matching": 0,
+        "id-length": [2, { "min": 1, "max": 25, "properties": "never" }],
+        "indent": [2, 4],
+        "max-lines-per-function": [2, { "max": 150 }],
+        "max-params": [2, 15],
+        "max-statements": [2, 52],
+        "multiline-comment-style": 0,
+        "no-continue": 1,
+        "no-magic-numbers": 0,
+        "no-restricted-syntax": [2, "BreakStatement", "DebuggerStatement", "ForInStatement", "LabeledStatement", "WithStatement"],
+    },
+
+    "overrides": [
+        {
+            "files": "test/**",
+            "rules": {
+                "function-paren-newline": 0,
+                "max-lines-per-function": 0,
+                "max-statements": 0,
+                "no-buffer-constructor": 0,
+                "no-extend-native": 0,
+                "no-throw-literal": 0,
+            }
+        }
+    ]
+}
diff --git a/node_modules/qs/.github/FUNDING.yml b/node_modules/qs/.github/FUNDING.yml
new file mode 100644
index 000000000..0355f4f5f
--- /dev/null
+++ b/node_modules/qs/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/qs
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/node_modules/qs/.nycrc b/node_modules/qs/.nycrc
new file mode 100644
index 000000000..1d57cabe1
--- /dev/null
+++ b/node_modules/qs/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"dist"
+	]
+}
diff --git a/node_modules/qs/CHANGELOG.md b/node_modules/qs/CHANGELOG.md
new file mode 100644
index 000000000..c6b29155e
--- /dev/null
+++ b/node_modules/qs/CHANGELOG.md
@@ -0,0 +1,388 @@
+## **6.10.3**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [actions] reuse common workflows
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `object-inspect`, `tape`
+
+## **6.10.2**
+- [Fix] `stringify`: actually fix cyclic references (#426)
+- [Fix] `stringify`: avoid encoding arrayformat comma when `encodeValuesOnly = true` (#424)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] add note and links for coercing primitive values (#408)
+- [actions] update codecov uploader
+- [actions] update workflows
+- [Tests] clean up stringify tests slightly
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `object-inspect`, `safe-publish-latest`, `tape`
+
+## **6.10.1**
+- [Fix] `stringify`: avoid exception on repeated object values (#402)
+
+## **6.10.0**
+- [New] `stringify`: throw on cycles, instead of an infinite loop (#395, #394, #393)
+- [New] `parse`: add `allowSparse` option for collapsing arrays with missing indices (#312)
+- [meta] fix README.md (#399)
+- [meta] only run `npm run dist` in publish, not install
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `has-symbols`, `tape`
+- [Tests] fix tests on node v0.6
+- [Tests] use `ljharb/actions/node/install` instead of `ljharb/actions/node/run`
+- [Tests] Revert "[meta] ignore eclint transitive audit warning"
+
+## **6.9.6**
+- [Fix] restore `dist` dir; mistakenly removed in d4f6c32
+
+## **6.9.5**
+- [Fix] `stringify`: do not encode parens for RFC1738
+- [Fix] `stringify`: fix arrayFormat comma with empty array/objects (#350)
+- [Refactor] `format`: remove `util.assign` call
+- [meta] add "Allow Edits" workflow; update rebase workflow
+- [actions] switch Automatic Rebase workflow to `pull_request_target` event
+- [Tests] `stringify`: add tests for #378
+- [Tests] migrate tests to Github Actions
+- [Tests] run `nyc` on all tests; use `tape` runner
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `browserify`, `mkdirp`, `object-inspect`, `tape`; add `aud`
+
+## **6.9.4**
+- [Fix] `stringify`: when `arrayFormat` is `comma`, respect `serializeDate` (#364)
+- [Refactor] `stringify`: reduce branching (part of #350)
+- [Refactor] move `maybeMap` to `utils`
+- [Dev Deps] update `browserify`, `tape`
+
+## **6.9.3**
+- [Fix] proper comma parsing of URL-encoded commas (#361)
+- [Fix] parses comma delimited array while having percent-encoded comma treated as normal text (#336)
+
+## **6.9.2**
+- [Fix] `parse`: Fix parsing array from object with `comma` true (#359)
+- [Fix] `parse`: throw a TypeError instead of an Error for bad charset (#349)
+- [meta] ignore eclint transitive audit warning
+- [meta] fix indentation in package.json
+- [meta] add tidelift marketing copy
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `object-inspect`, `has-symbols`, `tape`, `mkdirp`, `iconv-lite`
+- [actions] add automatic rebasing / merge commit blocking
+
+## **6.9.1**
+- [Fix] `parse`: with comma true, handle field that holds an array of arrays (#335)
+- [Fix] `parse`: with comma true, do not split non-string values (#334)
+- [meta] add `funding` field
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`
+- [Tests] use shared travis-ci config
+
+## **6.9.0**
+- [New] `parse`/`stringify`: Pass extra key/value argument to `decoder` (#333)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `evalmd`
+- [Tests] `parse`: add passing `arrayFormat` tests
+- [Tests] add `posttest` using `npx aud` to run `npm audit` without a lockfile
+- [Tests] up to `node` `v12.10`, `v11.15`, `v10.16`, `v8.16`
+- [Tests] `Buffer.from` in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray
+
+## **6.8.2**
+- [Fix] proper comma parsing of URL-encoded commas (#361)
+- [Fix] parses comma delimited array while having percent-encoded comma treated as normal text (#336)
+
+## **6.8.1**
+- [Fix] `parse`: Fix parsing array from object with `comma` true (#359)
+- [Fix] `parse`: throw a TypeError instead of an Error for bad charset (#349)
+- [Fix] `parse`: with comma true, handle field that holds an array of arrays (#335)
+- [fix] `parse`: with comma true, do not split non-string values (#334)
+- [meta] add tidelift marketing copy
+- [meta] add `funding` field
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape`, `safe-publish-latest`, `evalmd`, `has-symbols`, `iconv-lite`, `mkdirp`, `object-inspect`
+- [Tests] `parse`: add passing `arrayFormat` tests
+- [Tests] use shared travis-ci configs
+- [Tests] `Buffer.from` in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray
+- [actions] add automatic rebasing / merge commit blocking
+
+## **6.8.0**
+- [New] add `depth=false` to preserve the original key; [Fix] `depth=0` should preserve the original key (#326)
+- [New] [Fix] stringify symbols and bigints
+- [Fix] ensure node 0.12 can stringify Symbols
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Refactor] `formats`: tiny bit of cleanup.
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `browserify`, `safe-publish-latest`, `iconv-lite`, `tape`
+- [Tests] add tests for `depth=0` and `depth=false` behavior, both current and intuitive/intended (#326)
+- [Tests] use `eclint` instead of `editorconfig-tools`
+- [docs] readme: add security note
+- [meta] add github sponsorship
+- [meta] add FUNDING.yml
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+
+## **6.7.2**
+- [Fix] proper comma parsing of URL-encoded commas (#361)
+- [Fix] parses comma delimited array while having percent-encoded comma treated as normal text (#336)
+
+## **6.7.1**
+- [Fix] `parse`: Fix parsing array from object with `comma` true (#359)
+- [Fix] `parse`: with comma true, handle field that holds an array of arrays (#335)
+- [fix] `parse`: with comma true, do not split non-string values (#334)
+- [Fix] `parse`: throw a TypeError instead of an Error for bad charset (#349)
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Refactor] `formats`: tiny bit of cleanup.
+- readme: add security note
+- [meta] add tidelift marketing copy
+- [meta] add `funding` field
+- [meta] add FUNDING.yml
+- [meta] Clean up license text so it’s properly detected as BSD-3-Clause
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape`, `safe-publish-latest`, `evalmd`, `iconv-lite`, `mkdirp`, `object-inspect`, `browserify`
+- [Tests] `parse`: add passing `arrayFormat` tests
+- [Tests] use shared travis-ci configs
+- [Tests] `Buffer.from` in node v5.0-v5.9 and v4.0-v4.4 requires a TypedArray
+- [Tests] add tests for `depth=0` and `depth=false` behavior, both current and intuitive/intended
+- [Tests] use `eclint` instead of `editorconfig-tools`
+- [actions] add automatic rebasing / merge commit blocking
+
+## **6.7.0**
+- [New] `stringify`/`parse`: add `comma` as an `arrayFormat` option (#276, #219)
+- [Fix] correctly parse nested arrays (#212)
+- [Fix] `utils.merge`: avoid a crash with a null target and a truthy non-array source, also with an array source
+- [Robustness] `stringify`: cache `Object.prototype.hasOwnProperty`
+- [Refactor] `utils`: `isBuffer`: small tweak; add tests
+- [Refactor] use cached `Array.isArray`
+- [Refactor] `parse`/`stringify`: make a function to normalize the options
+- [Refactor] `utils`: reduce observable [[Get]]s
+- [Refactor] `stringify`/`utils`: cache `Array.isArray`
+- [Tests] always use `String(x)` over `x.toString()`
+- [Tests] fix Buffer tests to work in node < 4.5 and node < 5.10
+- [Tests] temporarily allow coverage to fail
+
+## **6.6.0**
+- [New] Add support for iso-8859-1, utf8 "sentinel" and numeric entities (#268)
+- [New] move two-value combine to a `utils` function (#189)
+- [Fix] `stringify`: fix a crash with `strictNullHandling` and a custom `filter`/`serializeDate` (#279)
+- [Fix] when `parseArrays` is false, properly handle keys ending in `[]` (#260)
+- [Fix] `stringify`: do not crash in an obscure combo of `interpretNumericEntities`, a bad custom `decoder`, & `iso-8859-1`
+- [Fix] `utils`: `merge`: fix crash when `source` is a truthy primitive & no options are provided
+- [refactor] `stringify`: Avoid arr = arr.concat(...), push to the existing instance (#269)
+- [Refactor] `parse`: only need to reassign the var once
+- [Refactor] `parse`/`stringify`: clean up `charset` options checking; fix defaults
+- [Refactor] add missing defaults
+- [Refactor] `parse`: one less `concat` call
+- [Refactor] `utils`: `compactQueue`: make it explicitly side-effecting
+- [Dev Deps] update `browserify`, `eslint`, `@ljharb/eslint-config`, `iconv-lite`, `safe-publish-latest`, `tape`
+- [Tests] up to `node` `v10.10`, `v9.11`, `v8.12`, `v6.14`, `v4.9`; pin included builds to LTS
+
+## **6.5.2**
+- [Fix] use `safer-buffer` instead of `Buffer` constructor
+- [Refactor] utils: `module.exports` one thing, instead of mutating `exports` (#230)
+- [Dev Deps] update `browserify`, `eslint`, `iconv-lite`, `safer-buffer`, `tape`, `browserify`
+
+## **6.5.1**
+- [Fix] Fix parsing & compacting very deep objects (#224)
+- [Refactor] name utils functions
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape`
+- [Tests] up to `node` `v8.4`; use `nvm install-latest-npm` so newer npm doesn’t break older node
+- [Tests] Use precise dist for Node.js 0.6 runtime (#225)
+- [Tests] make 0.6 required, now that it’s passing
+- [Tests] on `node` `v8.2`; fix npm on node 0.6
+
+## **6.5.0**
+- [New] add `utils.assign`
+- [New] pass default encoder/decoder to custom encoder/decoder functions (#206)
+- [New] `parse`/`stringify`: add `ignoreQueryPrefix`/`addQueryPrefix` options, respectively (#213)
+- [Fix] Handle stringifying empty objects with addQueryPrefix (#217)
+- [Fix] do not mutate `options` argument (#207)
+- [Refactor] `parse`: cache index to reuse in else statement (#182)
+- [Docs] add various badges to readme (#208)
+- [Dev Deps] update `eslint`, `browserify`, `iconv-lite`, `tape`
+- [Tests] up to `node` `v8.1`, `v7.10`, `v6.11`; npm v4.6 breaks on node < v1; npm v5+ breaks on node < v4
+- [Tests] add `editorconfig-tools`
+
+## **6.4.0**
+- [New] `qs.stringify`: add `encodeValuesOnly` option
+- [Fix] follow `allowPrototypes` option during merge (#201, #201)
+- [Fix] support keys starting with brackets (#202, #200)
+- [Fix] chmod a-x
+- [Dev Deps] update `eslint`
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+- [eslint] reduce warnings
+
+## **6.3.2**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Dev Deps] update `eslint`
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.3.1**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties (thanks, @snyk!)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `browserify`, `iconv-lite`, `qs-iconv`, `tape`
+- [Tests] on all node minors; improve test matrix
+- [Docs] document stringify option `allowDots` (#195)
+- [Docs] add empty object and array values example (#195)
+- [Docs] Fix minor inconsistency/typo (#192)
+- [Docs] document stringify option `sort` (#191)
+- [Refactor] `stringify`: throw faster with an invalid encoder
+- [Refactor] remove unnecessary escapes (#184)
+- Remove contributing.md, since `qs` is no longer part of `hapi` (#183)
+
+## **6.3.0**
+- [New] Add support for RFC 1738 (#174, #173)
+- [New] `stringify`: Add `serializeDate` option to customize Date serialization (#159)
+- [Fix] ensure `utils.merge` handles merging two arrays
+- [Refactor] only constructors should be capitalized
+- [Refactor] capitalized var names are for constructors only
+- [Refactor] avoid using a sparse array
+- [Robustness] `formats`: cache `String#replace`
+- [Dev Deps] update `browserify`, `eslint`, `@ljharb/eslint-config`; add `safe-publish-latest`
+- [Tests] up to `node` `v6.8`, `v4.6`; improve test matrix
+- [Tests] flesh out arrayLimit/arrayFormat tests (#107)
+- [Tests] skip Object.create tests when null objects are not available
+- [Tests] Turn on eslint for test files (#175)
+
+## **6.2.3**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.2.2**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties
+
+## **6.2.1**
+- [Fix] ensure `key[]=x&key[]&key[]=y` results in 3, not 2, values
+- [Refactor] Be explicit and use `Object.prototype.hasOwnProperty.call`
+- [Tests] remove `parallelshell` since it does not reliably report failures
+- [Tests] up to `node` `v6.3`, `v5.12`
+- [Dev Deps] update `tape`, `eslint`, `@ljharb/eslint-config`, `qs-iconv`
+
+## [**6.2.0**](https://github.com/ljharb/qs/issues?milestone=36&state=closed)
+- [New] pass Buffers to the encoder/decoder directly (#161)
+- [New] add "encoder" and "decoder" options, for custom param encoding/decoding (#160)
+- [Fix] fix compacting of nested sparse arrays (#150)
+
+## **6.1.2
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.1.1**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties
+
+## [**6.1.0**](https://github.com/ljharb/qs/issues?milestone=35&state=closed)
+- [New] allowDots option for `stringify` (#151)
+- [Fix] "sort" option should work at a depth of 3 or more (#151)
+- [Fix] Restore `dist` directory; will be removed in v7 (#148)
+
+## **6.0.4**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.0.3**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties
+- [Fix] Restore `dist` directory; will be removed in v7 (#148)
+
+## [**6.0.2**](https://github.com/ljharb/qs/issues?milestone=33&state=closed)
+- Revert ES6 requirement and restore support for node down to v0.8.
+
+## [**6.0.1**](https://github.com/ljharb/qs/issues?milestone=32&state=closed)
+- [**#127**](https://github.com/ljharb/qs/pull/127) Fix engines definition in package.json
+
+## [**6.0.0**](https://github.com/ljharb/qs/issues?milestone=31&state=closed)
+- [**#124**](https://github.com/ljharb/qs/issues/124) Use ES6 and drop support for node < v4
+
+## **5.2.1**
+- [Fix] ensure `key[]=x&key[]&key[]=y` results in 3, not 2, values
+
+## [**5.2.0**](https://github.com/ljharb/qs/issues?milestone=30&state=closed)
+- [**#64**](https://github.com/ljharb/qs/issues/64) Add option to sort object keys in the query string
+
+## [**5.1.0**](https://github.com/ljharb/qs/issues?milestone=29&state=closed)
+- [**#117**](https://github.com/ljharb/qs/issues/117) make URI encoding stringified results optional
+- [**#106**](https://github.com/ljharb/qs/issues/106) Add flag `skipNulls` to optionally skip null values in stringify
+
+## [**5.0.0**](https://github.com/ljharb/qs/issues?milestone=28&state=closed)
+- [**#114**](https://github.com/ljharb/qs/issues/114) default allowDots to false
+- [**#100**](https://github.com/ljharb/qs/issues/100) include dist to npm
+
+## [**4.0.0**](https://github.com/ljharb/qs/issues?milestone=26&state=closed)
+- [**#98**](https://github.com/ljharb/qs/issues/98) make returning plain objects and allowing prototype overwriting properties optional
+
+## [**3.1.0**](https://github.com/ljharb/qs/issues?milestone=24&state=closed)
+- [**#89**](https://github.com/ljharb/qs/issues/89) Add option to disable "Transform dot notation to bracket notation"
+
+## [**3.0.0**](https://github.com/ljharb/qs/issues?milestone=23&state=closed)
+- [**#80**](https://github.com/ljharb/qs/issues/80) qs.parse silently drops properties
+- [**#77**](https://github.com/ljharb/qs/issues/77) Perf boost
+- [**#60**](https://github.com/ljharb/qs/issues/60) Add explicit option to disable array parsing
+- [**#74**](https://github.com/ljharb/qs/issues/74) Bad parse when turning array into object
+- [**#81**](https://github.com/ljharb/qs/issues/81) Add a `filter` option
+- [**#68**](https://github.com/ljharb/qs/issues/68) Fixed issue with recursion and passing strings into objects.
+- [**#66**](https://github.com/ljharb/qs/issues/66) Add mixed array and object dot notation support Closes: #47
+- [**#76**](https://github.com/ljharb/qs/issues/76) RFC 3986
+- [**#85**](https://github.com/ljharb/qs/issues/85) No equal sign
+- [**#84**](https://github.com/ljharb/qs/issues/84) update license attribute
+
+## [**2.4.1**](https://github.com/ljharb/qs/issues?milestone=20&state=closed)
+- [**#73**](https://github.com/ljharb/qs/issues/73) Property 'hasOwnProperty' of object #<Object> is not a function
+
+## [**2.4.0**](https://github.com/ljharb/qs/issues?milestone=19&state=closed)
+- [**#70**](https://github.com/ljharb/qs/issues/70) Add arrayFormat option
+
+## [**2.3.3**](https://github.com/ljharb/qs/issues?milestone=18&state=closed)
+- [**#59**](https://github.com/ljharb/qs/issues/59) make sure array indexes are >= 0, closes #57
+- [**#58**](https://github.com/ljharb/qs/issues/58) make qs usable for browser loader
+
+## [**2.3.2**](https://github.com/ljharb/qs/issues?milestone=17&state=closed)
+- [**#55**](https://github.com/ljharb/qs/issues/55) allow merging a string into an object
+
+## [**2.3.1**](https://github.com/ljharb/qs/issues?milestone=16&state=closed)
+- [**#52**](https://github.com/ljharb/qs/issues/52) Return "undefined" and "false" instead of throwing "TypeError".
+
+## [**2.3.0**](https://github.com/ljharb/qs/issues?milestone=15&state=closed)
+- [**#50**](https://github.com/ljharb/qs/issues/50) add option to omit array indices, closes #46
+
+## [**2.2.5**](https://github.com/ljharb/qs/issues?milestone=14&state=closed)
+- [**#39**](https://github.com/ljharb/qs/issues/39) Is there an alternative to Buffer.isBuffer?
+- [**#49**](https://github.com/ljharb/qs/issues/49) refactor utils.merge, fixes #45
+- [**#41**](https://github.com/ljharb/qs/issues/41) avoid browserifying Buffer, for #39
+
+## [**2.2.4**](https://github.com/ljharb/qs/issues?milestone=13&state=closed)
+- [**#38**](https://github.com/ljharb/qs/issues/38) how to handle object keys beginning with a number
+
+## [**2.2.3**](https://github.com/ljharb/qs/issues?milestone=12&state=closed)
+- [**#37**](https://github.com/ljharb/qs/issues/37) parser discards first empty value in array
+- [**#36**](https://github.com/ljharb/qs/issues/36) Update to lab 4.x
+
+## [**2.2.2**](https://github.com/ljharb/qs/issues?milestone=11&state=closed)
+- [**#33**](https://github.com/ljharb/qs/issues/33) Error when plain object in a value
+- [**#34**](https://github.com/ljharb/qs/issues/34) use Object.prototype.hasOwnProperty.call instead of obj.hasOwnProperty
+- [**#24**](https://github.com/ljharb/qs/issues/24) Changelog? Semver?
+
+## [**2.2.1**](https://github.com/ljharb/qs/issues?milestone=10&state=closed)
+- [**#32**](https://github.com/ljharb/qs/issues/32) account for circular references properly, closes #31
+- [**#31**](https://github.com/ljharb/qs/issues/31) qs.parse stackoverflow on circular objects
+
+## [**2.2.0**](https://github.com/ljharb/qs/issues?milestone=9&state=closed)
+- [**#26**](https://github.com/ljharb/qs/issues/26) Don't use Buffer global if it's not present
+- [**#30**](https://github.com/ljharb/qs/issues/30) Bug when merging non-object values into arrays
+- [**#29**](https://github.com/ljharb/qs/issues/29) Don't call Utils.clone at the top of Utils.merge
+- [**#23**](https://github.com/ljharb/qs/issues/23) Ability to not limit parameters?
+
+## [**2.1.0**](https://github.com/ljharb/qs/issues?milestone=8&state=closed)
+- [**#22**](https://github.com/ljharb/qs/issues/22) Enable using a RegExp as delimiter
+
+## [**2.0.0**](https://github.com/ljharb/qs/issues?milestone=7&state=closed)
+- [**#18**](https://github.com/ljharb/qs/issues/18) Why is there arrayLimit?
+- [**#20**](https://github.com/ljharb/qs/issues/20) Configurable parametersLimit
+- [**#21**](https://github.com/ljharb/qs/issues/21) make all limits optional, for #18, for #20
+
+## [**1.2.2**](https://github.com/ljharb/qs/issues?milestone=6&state=closed)
+- [**#19**](https://github.com/ljharb/qs/issues/19) Don't overwrite null values
+
+## [**1.2.1**](https://github.com/ljharb/qs/issues?milestone=5&state=closed)
+- [**#16**](https://github.com/ljharb/qs/issues/16) ignore non-string delimiters
+- [**#15**](https://github.com/ljharb/qs/issues/15) Close code block
+
+## [**1.2.0**](https://github.com/ljharb/qs/issues?milestone=4&state=closed)
+- [**#12**](https://github.com/ljharb/qs/issues/12) Add optional delim argument
+- [**#13**](https://github.com/ljharb/qs/issues/13) fix #11: flattened keys in array are now correctly parsed
+
+## [**1.1.0**](https://github.com/ljharb/qs/issues?milestone=3&state=closed)
+- [**#7**](https://github.com/ljharb/qs/issues/7) Empty values of a POST array disappear after being submitted
+- [**#9**](https://github.com/ljharb/qs/issues/9) Should not omit equals signs (=) when value is null
+- [**#6**](https://github.com/ljharb/qs/issues/6) Minor grammar fix in README
+
+## [**1.0.2**](https://github.com/ljharb/qs/issues?milestone=2&state=closed)
+- [**#5**](https://github.com/ljharb/qs/issues/5) array holes incorrectly copied into object on large index
diff --git a/node_modules/qs/LICENSE.md b/node_modules/qs/LICENSE.md
new file mode 100644
index 000000000..fecf6b694
--- /dev/null
+++ b/node_modules/qs/LICENSE.md
@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2014, Nathan LaFreniere and other [contributors](https://github.com/ljharb/qs/graphs/contributors)
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/qs/README.md b/node_modules/qs/README.md
new file mode 100644
index 000000000..012638043
--- /dev/null
+++ b/node_modules/qs/README.md
@@ -0,0 +1,623 @@
+# qs <sup>[![Version Badge][2]][1]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+A querystring parsing and stringifying library with some added security.
+
+Lead Maintainer: [Jordan Harband](https://github.com/ljharb)
+
+The **qs** module was originally created and maintained by [TJ Holowaychuk](https://github.com/visionmedia/node-querystring).
+
+## Usage
+
+```javascript
+var qs = require('qs');
+var assert = require('assert');
+
+var obj = qs.parse('a=c');
+assert.deepEqual(obj, { a: 'c' });
+
+var str = qs.stringify(obj);
+assert.equal(str, 'a=c');
+```
+
+### Parsing Objects
+
+[](#preventEval)
+```javascript
+qs.parse(string, [options]);
+```
+
+**qs** allows you to create nested objects within your query strings, by surrounding the name of sub-keys with square brackets `[]`.
+For example, the string `'foo[bar]=baz'` converts to:
+
+```javascript
+assert.deepEqual(qs.parse('foo[bar]=baz'), {
+    foo: {
+        bar: 'baz'
+    }
+});
+```
+
+When using the `plainObjects` option the parsed value is returned as a null object, created via `Object.create(null)` and as such you should be aware that prototype methods will not exist on it and a user may set those names to whatever value they like:
+
+```javascript
+var nullObject = qs.parse('a[hasOwnProperty]=b', { plainObjects: true });
+assert.deepEqual(nullObject, { a: { hasOwnProperty: 'b' } });
+```
+
+By default parameters that would overwrite properties on the object prototype are ignored, if you wish to keep the data from those fields either use `plainObjects` as mentioned above, or set `allowPrototypes` to `true` which will allow user input to overwrite those properties. *WARNING* It is generally a bad idea to enable this option as it can cause problems when attempting to use the properties that have been overwritten. Always be careful with this option.
+
+```javascript
+var protoObject = qs.parse('a[hasOwnProperty]=b', { allowPrototypes: true });
+assert.deepEqual(protoObject, { a: { hasOwnProperty: 'b' } });
+```
+
+URI encoded strings work too:
+
+```javascript
+assert.deepEqual(qs.parse('a%5Bb%5D=c'), {
+    a: { b: 'c' }
+});
+```
+
+You can also nest your objects, like `'foo[bar][baz]=foobarbaz'`:
+
+```javascript
+assert.deepEqual(qs.parse('foo[bar][baz]=foobarbaz'), {
+    foo: {
+        bar: {
+            baz: 'foobarbaz'
+        }
+    }
+});
+```
+
+By default, when nesting objects **qs** will only parse up to 5 children deep. This means if you attempt to parse a string like
+`'a[b][c][d][e][f][g][h][i]=j'` your resulting object will be:
+
+```javascript
+var expected = {
+    a: {
+        b: {
+            c: {
+                d: {
+                    e: {
+                        f: {
+                            '[g][h][i]': 'j'
+                        }
+                    }
+                }
+            }
+        }
+    }
+};
+var string = 'a[b][c][d][e][f][g][h][i]=j';
+assert.deepEqual(qs.parse(string), expected);
+```
+
+This depth can be overridden by passing a `depth` option to `qs.parse(string, [options])`:
+
+```javascript
+var deep = qs.parse('a[b][c][d][e][f][g][h][i]=j', { depth: 1 });
+assert.deepEqual(deep, { a: { b: { '[c][d][e][f][g][h][i]': 'j' } } });
+```
+
+The depth limit helps mitigate abuse when **qs** is used to parse user input, and it is recommended to keep it a reasonably small number.
+
+For similar reasons, by default **qs** will only parse up to 1000 parameters. This can be overridden by passing a `parameterLimit` option:
+
+```javascript
+var limited = qs.parse('a=b&c=d', { parameterLimit: 1 });
+assert.deepEqual(limited, { a: 'b' });
+```
+
+To bypass the leading question mark, use `ignoreQueryPrefix`:
+
+```javascript
+var prefixed = qs.parse('?a=b&c=d', { ignoreQueryPrefix: true });
+assert.deepEqual(prefixed, { a: 'b', c: 'd' });
+```
+
+An optional delimiter can also be passed:
+
+```javascript
+var delimited = qs.parse('a=b;c=d', { delimiter: ';' });
+assert.deepEqual(delimited, { a: 'b', c: 'd' });
+```
+
+Delimiters can be a regular expression too:
+
+```javascript
+var regexed = qs.parse('a=b;c=d,e=f', { delimiter: /[;,]/ });
+assert.deepEqual(regexed, { a: 'b', c: 'd', e: 'f' });
+```
+
+Option `allowDots` can be used to enable dot notation:
+
+```javascript
+var withDots = qs.parse('a.b=c', { allowDots: true });
+assert.deepEqual(withDots, { a: { b: 'c' } });
+```
+
+If you have to deal with legacy browsers or services, there's
+also support for decoding percent-encoded octets as iso-8859-1:
+
+```javascript
+var oldCharset = qs.parse('a=%A7', { charset: 'iso-8859-1' });
+assert.deepEqual(oldCharset, { a: '§' });
+```
+
+Some services add an initial `utf8=✓` value to forms so that old
+Internet Explorer versions are more likely to submit the form as
+utf-8. Additionally, the server can check the value against wrong
+encodings of the checkmark character and detect that a query string
+or `application/x-www-form-urlencoded` body was *not* sent as
+utf-8, eg. if the form had an `accept-charset` parameter or the
+containing page had a different character set.
+
+**qs** supports this mechanism via the `charsetSentinel` option.
+If specified, the `utf8` parameter will be omitted from the
+returned object. It will be used to switch to `iso-8859-1`/`utf-8`
+mode depending on how the checkmark is encoded.
+
+**Important**: When you specify both the `charset` option and the
+`charsetSentinel` option, the `charset` will be overridden when
+the request contains a `utf8` parameter from which the actual
+charset can be deduced. In that sense the `charset` will behave
+as the default charset rather than the authoritative charset.
+
+```javascript
+var detectedAsUtf8 = qs.parse('utf8=%E2%9C%93&a=%C3%B8', {
+    charset: 'iso-8859-1',
+    charsetSentinel: true
+});
+assert.deepEqual(detectedAsUtf8, { a: 'ø' });
+
+// Browsers encode the checkmark as &#10003; when submitting as iso-8859-1:
+var detectedAsIso8859_1 = qs.parse('utf8=%26%2310003%3B&a=%F8', {
+    charset: 'utf-8',
+    charsetSentinel: true
+});
+assert.deepEqual(detectedAsIso8859_1, { a: 'ø' });
+```
+
+If you want to decode the `&#...;` syntax to the actual character,
+you can specify the `interpretNumericEntities` option as well:
+
+```javascript
+var detectedAsIso8859_1 = qs.parse('a=%26%239786%3B', {
+    charset: 'iso-8859-1',
+    interpretNumericEntities: true
+});
+assert.deepEqual(detectedAsIso8859_1, { a: '☺' });
+```
+
+It also works when the charset has been detected in `charsetSentinel`
+mode.
+
+### Parsing Arrays
+
+**qs** can also parse arrays using a similar `[]` notation:
+
+```javascript
+var withArray = qs.parse('a[]=b&a[]=c');
+assert.deepEqual(withArray, { a: ['b', 'c'] });
+```
+
+You may specify an index as well:
+
+```javascript
+var withIndexes = qs.parse('a[1]=c&a[0]=b');
+assert.deepEqual(withIndexes, { a: ['b', 'c'] });
+```
+
+Note that the only difference between an index in an array and a key in an object is that the value between the brackets must be a number
+to create an array. When creating arrays with specific indices, **qs** will compact a sparse array to only the existing values preserving
+their order:
+
+```javascript
+var noSparse = qs.parse('a[1]=b&a[15]=c');
+assert.deepEqual(noSparse, { a: ['b', 'c'] });
+```
+
+You may also use `allowSparse` option to parse sparse arrays:
+
+```javascript
+var sparseArray = qs.parse('a[1]=2&a[3]=5', { allowSparse: true });
+assert.deepEqual(sparseArray, { a: [, '2', , '5'] });
+```
+
+Note that an empty string is also a value, and will be preserved:
+
+```javascript
+var withEmptyString = qs.parse('a[]=&a[]=b');
+assert.deepEqual(withEmptyString, { a: ['', 'b'] });
+
+var withIndexedEmptyString = qs.parse('a[0]=b&a[1]=&a[2]=c');
+assert.deepEqual(withIndexedEmptyString, { a: ['b', '', 'c'] });
+```
+
+**qs** will also limit specifying indices in an array to a maximum index of `20`. Any array members with an index of greater than `20` will
+instead be converted to an object with the index as the key. This is needed to handle cases when someone sent, for example, `a[999999999]` and it will take significant time to iterate over this huge array.
+
+```javascript
+var withMaxIndex = qs.parse('a[100]=b');
+assert.deepEqual(withMaxIndex, { a: { '100': 'b' } });
+```
+
+This limit can be overridden by passing an `arrayLimit` option:
+
+```javascript
+var withArrayLimit = qs.parse('a[1]=b', { arrayLimit: 0 });
+assert.deepEqual(withArrayLimit, { a: { '1': 'b' } });
+```
+
+To disable array parsing entirely, set `parseArrays` to `false`.
+
+```javascript
+var noParsingArrays = qs.parse('a[]=b', { parseArrays: false });
+assert.deepEqual(noParsingArrays, { a: { '0': 'b' } });
+```
+
+If you mix notations, **qs** will merge the two items into an object:
+
+```javascript
+var mixedNotation = qs.parse('a[0]=b&a[b]=c');
+assert.deepEqual(mixedNotation, { a: { '0': 'b', b: 'c' } });
+```
+
+You can also create arrays of objects:
+
+```javascript
+var arraysOfObjects = qs.parse('a[][b]=c');
+assert.deepEqual(arraysOfObjects, { a: [{ b: 'c' }] });
+```
+
+Some people use comma to join array, **qs** can parse it:
+```javascript
+var arraysOfObjects = qs.parse('a=b,c', { comma: true })
+assert.deepEqual(arraysOfObjects, { a: ['b', 'c'] })
+```
+(_this cannot convert nested objects, such as `a={b:1},{c:d}`_)
+
+### Parsing primitive/scalar values (numbers, booleans, null, etc)
+
+By default, all values are parsed as strings. This behavior will not change and is explained in [issue #91](https://github.com/ljharb/qs/issues/91).
+
+```javascript
+var primitiveValues = qs.parse('a=15&b=true&c=null');
+assert.deepEqual(primitiveValues, { a: '15', b: 'true', c: 'null' });
+```
+
+If you wish to auto-convert values which look like numbers, booleans, and other values into their primitive counterparts, you can use the [query-types Express JS middleware](https://github.com/xpepermint/query-types) which will auto-convert all request query parameters.
+
+### Stringifying
+
+[](#preventEval)
+```javascript
+qs.stringify(object, [options]);
+```
+
+When stringifying, **qs** by default URI encodes output. Objects are stringified as you would expect:
+
+```javascript
+assert.equal(qs.stringify({ a: 'b' }), 'a=b');
+assert.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
+```
+
+This encoding can be disabled by setting the `encode` option to `false`:
+
+```javascript
+var unencoded = qs.stringify({ a: { b: 'c' } }, { encode: false });
+assert.equal(unencoded, 'a[b]=c');
+```
+
+Encoding can be disabled for keys by setting the `encodeValuesOnly` option to `true`:
+```javascript
+var encodedValues = qs.stringify(
+    { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
+    { encodeValuesOnly: true }
+);
+assert.equal(encodedValues,'a=b&c[0]=d&c[1]=e%3Df&f[0][0]=g&f[1][0]=h');
+```
+
+This encoding can also be replaced by a custom encoding method set as `encoder` option:
+
+```javascript
+var encoded = qs.stringify({ a: { b: 'c' } }, { encoder: function (str) {
+    // Passed in values `a`, `b`, `c`
+    return // Return encoded string
+}})
+```
+
+_(Note: the `encoder` option does not apply if `encode` is `false`)_
+
+Analogue to the `encoder` there is a `decoder` option for `parse` to override decoding of properties and values:
+
+```javascript
+var decoded = qs.parse('x=z', { decoder: function (str) {
+    // Passed in values `x`, `z`
+    return // Return decoded string
+}})
+```
+
+You can encode keys and values using different logic by using the type argument provided to the encoder:
+
+```javascript
+var encoded = qs.stringify({ a: { b: 'c' } }, { encoder: function (str, defaultEncoder, charset, type) {
+    if (type === 'key') {
+        return // Encoded key
+    } else if (type === 'value') {
+        return // Encoded value
+    }
+}})
+```
+
+The type argument is also provided to the decoder:
+
+```javascript
+var decoded = qs.parse('x=z', { decoder: function (str, defaultDecoder, charset, type) {
+    if (type === 'key') {
+        return // Decoded key
+    } else if (type === 'value') {
+        return // Decoded value
+    }
+}})
+```
+
+Examples beyond this point will be shown as though the output is not URI encoded for clarity. Please note that the return values in these cases *will* be URI encoded during real usage.
+
+When arrays are stringified, by default they are given explicit indices:
+
+```javascript
+qs.stringify({ a: ['b', 'c', 'd'] });
+// 'a[0]=b&a[1]=c&a[2]=d'
+```
+
+You may override this by setting the `indices` option to `false`:
+
+```javascript
+qs.stringify({ a: ['b', 'c', 'd'] }, { indices: false });
+// 'a=b&a=c&a=d'
+```
+
+You may use the `arrayFormat` option to specify the format of the output array:
+
+```javascript
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'indices' })
+// 'a[0]=b&a[1]=c'
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'brackets' })
+// 'a[]=b&a[]=c'
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'repeat' })
+// 'a=b&a=c'
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'comma' })
+// 'a=b,c'
+```
+
+When objects are stringified, by default they use bracket notation:
+
+```javascript
+qs.stringify({ a: { b: { c: 'd', e: 'f' } } });
+// 'a[b][c]=d&a[b][e]=f'
+```
+
+You may override this to use dot notation by setting the `allowDots` option to `true`:
+
+```javascript
+qs.stringify({ a: { b: { c: 'd', e: 'f' } } }, { allowDots: true });
+// 'a.b.c=d&a.b.e=f'
+```
+
+Empty strings and null values will omit the value, but the equals sign (=) remains in place:
+
+```javascript
+assert.equal(qs.stringify({ a: '' }), 'a=');
+```
+
+Key with no values (such as an empty object or array) will return nothing:
+
+```javascript
+assert.equal(qs.stringify({ a: [] }), '');
+assert.equal(qs.stringify({ a: {} }), '');
+assert.equal(qs.stringify({ a: [{}] }), '');
+assert.equal(qs.stringify({ a: { b: []} }), '');
+assert.equal(qs.stringify({ a: { b: {}} }), '');
+```
+
+Properties that are set to `undefined` will be omitted entirely:
+
+```javascript
+assert.equal(qs.stringify({ a: null, b: undefined }), 'a=');
+```
+
+The query string may optionally be prepended with a question mark:
+
+```javascript
+assert.equal(qs.stringify({ a: 'b', c: 'd' }, { addQueryPrefix: true }), '?a=b&c=d');
+```
+
+The delimiter may be overridden with stringify as well:
+
+```javascript
+assert.equal(qs.stringify({ a: 'b', c: 'd' }, { delimiter: ';' }), 'a=b;c=d');
+```
+
+If you only want to override the serialization of `Date` objects, you can provide a `serializeDate` option:
+
+```javascript
+var date = new Date(7);
+assert.equal(qs.stringify({ a: date }), 'a=1970-01-01T00:00:00.007Z'.replace(/:/g, '%3A'));
+assert.equal(
+    qs.stringify({ a: date }, { serializeDate: function (d) { return d.getTime(); } }),
+    'a=7'
+);
+```
+
+You may use the `sort` option to affect the order of parameter keys:
+
+```javascript
+function alphabeticalSort(a, b) {
+    return a.localeCompare(b);
+}
+assert.equal(qs.stringify({ a: 'c', z: 'y', b : 'f' }, { sort: alphabeticalSort }), 'a=c&b=f&z=y');
+```
+
+Finally, you can use the `filter` option to restrict which keys will be included in the stringified output.
+If you pass a function, it will be called for each key to obtain the replacement value. Otherwise, if you
+pass an array, it will be used to select properties and array indices for stringification:
+
+```javascript
+function filterFunc(prefix, value) {
+    if (prefix == 'b') {
+        // Return an `undefined` value to omit a property.
+        return;
+    }
+    if (prefix == 'e[f]') {
+        return value.getTime();
+    }
+    if (prefix == 'e[g][0]') {
+        return value * 2;
+    }
+    return value;
+}
+qs.stringify({ a: 'b', c: 'd', e: { f: new Date(123), g: [2] } }, { filter: filterFunc });
+// 'a=b&c=d&e[f]=123&e[g][0]=4'
+qs.stringify({ a: 'b', c: 'd', e: 'f' }, { filter: ['a', 'e'] });
+// 'a=b&e=f'
+qs.stringify({ a: ['b', 'c', 'd'], e: 'f' }, { filter: ['a', 0, 2] });
+// 'a[0]=b&a[2]=d'
+```
+
+### Handling of `null` values
+
+By default, `null` values are treated like empty strings:
+
+```javascript
+var withNull = qs.stringify({ a: null, b: '' });
+assert.equal(withNull, 'a=&b=');
+```
+
+Parsing does not distinguish between parameters with and without equal signs. Both are converted to empty strings.
+
+```javascript
+var equalsInsensitive = qs.parse('a&b=');
+assert.deepEqual(equalsInsensitive, { a: '', b: '' });
+```
+
+To distinguish between `null` values and empty strings use the `strictNullHandling` flag. In the result string the `null`
+values have no `=` sign:
+
+```javascript
+var strictNull = qs.stringify({ a: null, b: '' }, { strictNullHandling: true });
+assert.equal(strictNull, 'a&b=');
+```
+
+To parse values without `=` back to `null` use the `strictNullHandling` flag:
+
+```javascript
+var parsedStrictNull = qs.parse('a&b=', { strictNullHandling: true });
+assert.deepEqual(parsedStrictNull, { a: null, b: '' });
+```
+
+To completely skip rendering keys with `null` values, use the `skipNulls` flag:
+
+```javascript
+var nullsSkipped = qs.stringify({ a: 'b', c: null}, { skipNulls: true });
+assert.equal(nullsSkipped, 'a=b');
+```
+
+If you're communicating with legacy systems, you can switch to `iso-8859-1`
+using the `charset` option:
+
+```javascript
+var iso = qs.stringify({ æ: 'æ' }, { charset: 'iso-8859-1' });
+assert.equal(iso, '%E6=%E6');
+```
+
+Characters that don't exist in `iso-8859-1` will be converted to numeric
+entities, similar to what browsers do:
+
+```javascript
+var numeric = qs.stringify({ a: '☺' }, { charset: 'iso-8859-1' });
+assert.equal(numeric, 'a=%26%239786%3B');
+```
+
+You can use the `charsetSentinel` option to announce the character by
+including an `utf8=✓` parameter with the proper encoding if the checkmark,
+similar to what Ruby on Rails and others do when submitting forms.
+
+```javascript
+var sentinel = qs.stringify({ a: '☺' }, { charsetSentinel: true });
+assert.equal(sentinel, 'utf8=%E2%9C%93&a=%E2%98%BA');
+
+var isoSentinel = qs.stringify({ a: 'æ' }, { charsetSentinel: true, charset: 'iso-8859-1' });
+assert.equal(isoSentinel, 'utf8=%26%2310003%3B&a=%E6');
+```
+
+### Dealing with special character sets
+
+By default the encoding and decoding of characters is done in `utf-8`,
+and `iso-8859-1` support is also built in via the `charset` parameter.
+
+If you wish to encode querystrings to a different character set (i.e.
+[Shift JIS](https://en.wikipedia.org/wiki/Shift_JIS)) you can use the
+[`qs-iconv`](https://github.com/martinheidegger/qs-iconv) library:
+
+```javascript
+var encoder = require('qs-iconv/encoder')('shift_jis');
+var shiftJISEncoded = qs.stringify({ a: 'こんにちは！' }, { encoder: encoder });
+assert.equal(shiftJISEncoded, 'a=%82%B1%82%F1%82%C9%82%BF%82%CD%81I');
+```
+
+This also works for decoding of query strings:
+
+```javascript
+var decoder = require('qs-iconv/decoder')('shift_jis');
+var obj = qs.parse('a=%82%B1%82%F1%82%C9%82%BF%82%CD%81I', { decoder: decoder });
+assert.deepEqual(obj, { a: 'こんにちは！' });
+```
+
+### RFC 3986 and RFC 1738 space encoding
+
+RFC3986 used as default option and encodes ' ' to *%20* which is backward compatible.
+In the same time, output can be stringified as per RFC1738 with ' ' equal to '+'.
+
+```
+assert.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
+assert.equal(qs.stringify({ a: 'b c' }, { format : 'RFC3986' }), 'a=b%20c');
+assert.equal(qs.stringify({ a: 'b c' }, { format : 'RFC1738' }), 'a=b+c');
+```
+
+## Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
+
+## qs for enterprise
+
+Available as part of the Tidelift Subscription
+
+The maintainers of qs and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-qs?utm_source=npm-qs&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)
+
+[package-url]: https://npmjs.org/package/qs
+[npm-version-svg]: https://versionbadg.es/ljharb/qs.svg
+[deps-svg]: https://david-dm.org/ljharb/qs.svg
+[deps-url]: https://david-dm.org/ljharb/qs
+[dev-deps-svg]: https://david-dm.org/ljharb/qs/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/qs#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/qs.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/qs.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/qs.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=qs
+[codecov-image]: https://codecov.io/gh/ljharb/qs/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/qs/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/qs
+[actions-url]: https://github.com/ljharb/qs/actions
diff --git a/node_modules/qs/dist/qs.js b/node_modules/qs/dist/qs.js
new file mode 100644
index 000000000..94baf8ff7
--- /dev/null
+++ b/node_modules/qs/dist/qs.js
@@ -0,0 +1,2044 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Qs = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+'use strict';
+
+var replace = String.prototype.replace;
+var percentTwenties = /%20/g;
+
+var Format = {
+    RFC1738: 'RFC1738',
+    RFC3986: 'RFC3986'
+};
+
+module.exports = {
+    'default': Format.RFC3986,
+    formatters: {
+        RFC1738: function (value) {
+            return replace.call(value, percentTwenties, '+');
+        },
+        RFC3986: function (value) {
+            return String(value);
+        }
+    },
+    RFC1738: Format.RFC1738,
+    RFC3986: Format.RFC3986
+};
+
+},{}],2:[function(require,module,exports){
+'use strict';
+
+var stringify = require('./stringify');
+var parse = require('./parse');
+var formats = require('./formats');
+
+module.exports = {
+    formats: formats,
+    parse: parse,
+    stringify: stringify
+};
+
+},{"./formats":1,"./parse":3,"./stringify":4}],3:[function(require,module,exports){
+'use strict';
+
+var utils = require('./utils');
+
+var has = Object.prototype.hasOwnProperty;
+var isArray = Array.isArray;
+
+var defaults = {
+    allowDots: false,
+    allowPrototypes: false,
+    allowSparse: false,
+    arrayLimit: 20,
+    charset: 'utf-8',
+    charsetSentinel: false,
+    comma: false,
+    decoder: utils.decode,
+    delimiter: '&',
+    depth: 5,
+    ignoreQueryPrefix: false,
+    interpretNumericEntities: false,
+    parameterLimit: 1000,
+    parseArrays: true,
+    plainObjects: false,
+    strictNullHandling: false
+};
+
+var interpretNumericEntities = function (str) {
+    return str.replace(/&#(\d+);/g, function ($0, numberStr) {
+        return String.fromCharCode(parseInt(numberStr, 10));
+    });
+};
+
+var parseArrayValue = function (val, options) {
+    if (val && typeof val === 'string' && options.comma && val.indexOf(',') > -1) {
+        return val.split(',');
+    }
+
+    return val;
+};
+
+// This is what browsers will submit when the ✓ character occurs in an
+// application/x-www-form-urlencoded body and the encoding of the page containing
+// the form is iso-8859-1, or when the submitted form has an accept-charset
+// attribute of iso-8859-1. Presumably also with other charsets that do not contain
+// the ✓ character, such as us-ascii.
+var isoSentinel = 'utf8=%26%2310003%3B'; // encodeURIComponent('&#10003;')
+
+// These are the percent-encoded utf-8 octets representing a checkmark, indicating that the request actually is utf-8 encoded.
+var charsetSentinel = 'utf8=%E2%9C%93'; // encodeURIComponent('✓')
+
+var parseValues = function parseQueryStringValues(str, options) {
+    var obj = {};
+    var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str;
+    var limit = options.parameterLimit === Infinity ? undefined : options.parameterLimit;
+    var parts = cleanStr.split(options.delimiter, limit);
+    var skipIndex = -1; // Keep track of where the utf8 sentinel was found
+    var i;
+
+    var charset = options.charset;
+    if (options.charsetSentinel) {
+        for (i = 0; i < parts.length; ++i) {
+            if (parts[i].indexOf('utf8=') === 0) {
+                if (parts[i] === charsetSentinel) {
+                    charset = 'utf-8';
+                } else if (parts[i] === isoSentinel) {
+                    charset = 'iso-8859-1';
+                }
+                skipIndex = i;
+                i = parts.length; // The eslint settings do not allow break;
+            }
+        }
+    }
+
+    for (i = 0; i < parts.length; ++i) {
+        if (i === skipIndex) {
+            continue;
+        }
+        var part = parts[i];
+
+        var bracketEqualsPos = part.indexOf(']=');
+        var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1;
+
+        var key, val;
+        if (pos === -1) {
+            key = options.decoder(part, defaults.decoder, charset, 'key');
+            val = options.strictNullHandling ? null : '';
+        } else {
+            key = options.decoder(part.slice(0, pos), defaults.decoder, charset, 'key');
+            val = utils.maybeMap(
+                parseArrayValue(part.slice(pos + 1), options),
+                function (encodedVal) {
+                    return options.decoder(encodedVal, defaults.decoder, charset, 'value');
+                }
+            );
+        }
+
+        if (val && options.interpretNumericEntities && charset === 'iso-8859-1') {
+            val = interpretNumericEntities(val);
+        }
+
+        if (part.indexOf('[]=') > -1) {
+            val = isArray(val) ? [val] : val;
+        }
+
+        if (has.call(obj, key)) {
+            obj[key] = utils.combine(obj[key], val);
+        } else {
+            obj[key] = val;
+        }
+    }
+
+    return obj;
+};
+
+var parseObject = function (chain, val, options, valuesParsed) {
+    var leaf = valuesParsed ? val : parseArrayValue(val, options);
+
+    for (var i = chain.length - 1; i >= 0; --i) {
+        var obj;
+        var root = chain[i];
+
+        if (root === '[]' && options.parseArrays) {
+            obj = [].concat(leaf);
+        } else {
+            obj = options.plainObjects ? Object.create(null) : {};
+            var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;
+            var index = parseInt(cleanRoot, 10);
+            if (!options.parseArrays && cleanRoot === '') {
+                obj = { 0: leaf };
+            } else if (
+                !isNaN(index)
+                && root !== cleanRoot
+                && String(index) === cleanRoot
+                && index >= 0
+                && (options.parseArrays && index <= options.arrayLimit)
+            ) {
+                obj = [];
+                obj[index] = leaf;
+            } else if (cleanRoot !== '__proto__') {
+                obj[cleanRoot] = leaf;
+            }
+        }
+
+        leaf = obj;
+    }
+
+    return leaf;
+};
+
+var parseKeys = function parseQueryStringKeys(givenKey, val, options, valuesParsed) {
+    if (!givenKey) {
+        return;
+    }
+
+    // Transform dot notation to bracket notation
+    var key = options.allowDots ? givenKey.replace(/\.([^.[]+)/g, '[$1]') : givenKey;
+
+    // The regex chunks
+
+    var brackets = /(\[[^[\]]*])/;
+    var child = /(\[[^[\]]*])/g;
+
+    // Get the parent
+
+    var segment = options.depth > 0 && brackets.exec(key);
+    var parent = segment ? key.slice(0, segment.index) : key;
+
+    // Stash the parent if it exists
+
+    var keys = [];
+    if (parent) {
+        // If we aren't using plain objects, optionally prefix keys that would overwrite object prototype properties
+        if (!options.plainObjects && has.call(Object.prototype, parent)) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+
+        keys.push(parent);
+    }
+
+    // Loop through children appending to the array until we hit depth
+
+    var i = 0;
+    while (options.depth > 0 && (segment = child.exec(key)) !== null && i < options.depth) {
+        i += 1;
+        if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+        keys.push(segment[1]);
+    }
+
+    // If there's a remainder, just add whatever is left
+
+    if (segment) {
+        keys.push('[' + key.slice(segment.index) + ']');
+    }
+
+    return parseObject(keys, val, options, valuesParsed);
+};
+
+var normalizeParseOptions = function normalizeParseOptions(opts) {
+    if (!opts) {
+        return defaults;
+    }
+
+    if (opts.decoder !== null && opts.decoder !== undefined && typeof opts.decoder !== 'function') {
+        throw new TypeError('Decoder has to be a function.');
+    }
+
+    if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
+        throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
+    }
+    var charset = typeof opts.charset === 'undefined' ? defaults.charset : opts.charset;
+
+    return {
+        allowDots: typeof opts.allowDots === 'undefined' ? defaults.allowDots : !!opts.allowDots,
+        allowPrototypes: typeof opts.allowPrototypes === 'boolean' ? opts.allowPrototypes : defaults.allowPrototypes,
+        allowSparse: typeof opts.allowSparse === 'boolean' ? opts.allowSparse : defaults.allowSparse,
+        arrayLimit: typeof opts.arrayLimit === 'number' ? opts.arrayLimit : defaults.arrayLimit,
+        charset: charset,
+        charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
+        comma: typeof opts.comma === 'boolean' ? opts.comma : defaults.comma,
+        decoder: typeof opts.decoder === 'function' ? opts.decoder : defaults.decoder,
+        delimiter: typeof opts.delimiter === 'string' || utils.isRegExp(opts.delimiter) ? opts.delimiter : defaults.delimiter,
+        // eslint-disable-next-line no-implicit-coercion, no-extra-parens
+        depth: (typeof opts.depth === 'number' || opts.depth === false) ? +opts.depth : defaults.depth,
+        ignoreQueryPrefix: opts.ignoreQueryPrefix === true,
+        interpretNumericEntities: typeof opts.interpretNumericEntities === 'boolean' ? opts.interpretNumericEntities : defaults.interpretNumericEntities,
+        parameterLimit: typeof opts.parameterLimit === 'number' ? opts.parameterLimit : defaults.parameterLimit,
+        parseArrays: opts.parseArrays !== false,
+        plainObjects: typeof opts.plainObjects === 'boolean' ? opts.plainObjects : defaults.plainObjects,
+        strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
+    };
+};
+
+module.exports = function (str, opts) {
+    var options = normalizeParseOptions(opts);
+
+    if (str === '' || str === null || typeof str === 'undefined') {
+        return options.plainObjects ? Object.create(null) : {};
+    }
+
+    var tempObj = typeof str === 'string' ? parseValues(str, options) : str;
+    var obj = options.plainObjects ? Object.create(null) : {};
+
+    // Iterate over the keys and setup the new object
+
+    var keys = Object.keys(tempObj);
+    for (var i = 0; i < keys.length; ++i) {
+        var key = keys[i];
+        var newObj = parseKeys(key, tempObj[key], options, typeof str === 'string');
+        obj = utils.merge(obj, newObj, options);
+    }
+
+    if (options.allowSparse === true) {
+        return obj;
+    }
+
+    return utils.compact(obj);
+};
+
+},{"./utils":5}],4:[function(require,module,exports){
+'use strict';
+
+var getSideChannel = require('side-channel');
+var utils = require('./utils');
+var formats = require('./formats');
+var has = Object.prototype.hasOwnProperty;
+
+var arrayPrefixGenerators = {
+    brackets: function brackets(prefix) {
+        return prefix + '[]';
+    },
+    comma: 'comma',
+    indices: function indices(prefix, key) {
+        return prefix + '[' + key + ']';
+    },
+    repeat: function repeat(prefix) {
+        return prefix;
+    }
+};
+
+var isArray = Array.isArray;
+var split = String.prototype.split;
+var push = Array.prototype.push;
+var pushToArray = function (arr, valueOrArray) {
+    push.apply(arr, isArray(valueOrArray) ? valueOrArray : [valueOrArray]);
+};
+
+var toISO = Date.prototype.toISOString;
+
+var defaultFormat = formats['default'];
+var defaults = {
+    addQueryPrefix: false,
+    allowDots: false,
+    charset: 'utf-8',
+    charsetSentinel: false,
+    delimiter: '&',
+    encode: true,
+    encoder: utils.encode,
+    encodeValuesOnly: false,
+    format: defaultFormat,
+    formatter: formats.formatters[defaultFormat],
+    // deprecated
+    indices: false,
+    serializeDate: function serializeDate(date) {
+        return toISO.call(date);
+    },
+    skipNulls: false,
+    strictNullHandling: false
+};
+
+var isNonNullishPrimitive = function isNonNullishPrimitive(v) {
+    return typeof v === 'string'
+        || typeof v === 'number'
+        || typeof v === 'boolean'
+        || typeof v === 'symbol'
+        || typeof v === 'bigint';
+};
+
+var sentinel = {};
+
+var stringify = function stringify(
+    object,
+    prefix,
+    generateArrayPrefix,
+    strictNullHandling,
+    skipNulls,
+    encoder,
+    filter,
+    sort,
+    allowDots,
+    serializeDate,
+    format,
+    formatter,
+    encodeValuesOnly,
+    charset,
+    sideChannel
+) {
+    var obj = object;
+
+    var tmpSc = sideChannel;
+    var step = 0;
+    var findFlag = false;
+    while ((tmpSc = tmpSc.get(sentinel)) !== void undefined && !findFlag) {
+        // Where object last appeared in the ref tree
+        var pos = tmpSc.get(object);
+        step += 1;
+        if (typeof pos !== 'undefined') {
+            if (pos === step) {
+                throw new RangeError('Cyclic object value');
+            } else {
+                findFlag = true; // Break while
+            }
+        }
+        if (typeof tmpSc.get(sentinel) === 'undefined') {
+            step = 0;
+        }
+    }
+
+    if (typeof filter === 'function') {
+        obj = filter(prefix, obj);
+    } else if (obj instanceof Date) {
+        obj = serializeDate(obj);
+    } else if (generateArrayPrefix === 'comma' && isArray(obj)) {
+        obj = utils.maybeMap(obj, function (value) {
+            if (value instanceof Date) {
+                return serializeDate(value);
+            }
+            return value;
+        });
+    }
+
+    if (obj === null) {
+        if (strictNullHandling) {
+            return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder, charset, 'key', format) : prefix;
+        }
+
+        obj = '';
+    }
+
+    if (isNonNullishPrimitive(obj) || utils.isBuffer(obj)) {
+        if (encoder) {
+            var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder, charset, 'key', format);
+            if (generateArrayPrefix === 'comma' && encodeValuesOnly) {
+                var valuesArray = split.call(String(obj), ',');
+                var valuesJoined = '';
+                for (var i = 0; i < valuesArray.length; ++i) {
+                    valuesJoined += (i === 0 ? '' : ',') + formatter(encoder(valuesArray[i], defaults.encoder, charset, 'value', format));
+                }
+                return [formatter(keyValue) + '=' + valuesJoined];
+            }
+            return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder, charset, 'value', format))];
+        }
+        return [formatter(prefix) + '=' + formatter(String(obj))];
+    }
+
+    var values = [];
+
+    if (typeof obj === 'undefined') {
+        return values;
+    }
+
+    var objKeys;
+    if (generateArrayPrefix === 'comma' && isArray(obj)) {
+        // we need to join elements in
+        objKeys = [{ value: obj.length > 0 ? obj.join(',') || null : void undefined }];
+    } else if (isArray(filter)) {
+        objKeys = filter;
+    } else {
+        var keys = Object.keys(obj);
+        objKeys = sort ? keys.sort(sort) : keys;
+    }
+
+    for (var j = 0; j < objKeys.length; ++j) {
+        var key = objKeys[j];
+        var value = typeof key === 'object' && typeof key.value !== 'undefined' ? key.value : obj[key];
+
+        if (skipNulls && value === null) {
+            continue;
+        }
+
+        var keyPrefix = isArray(obj)
+            ? typeof generateArrayPrefix === 'function' ? generateArrayPrefix(prefix, key) : prefix
+            : prefix + (allowDots ? '.' + key : '[' + key + ']');
+
+        sideChannel.set(object, step);
+        var valueSideChannel = getSideChannel();
+        valueSideChannel.set(sentinel, sideChannel);
+        pushToArray(values, stringify(
+            value,
+            keyPrefix,
+            generateArrayPrefix,
+            strictNullHandling,
+            skipNulls,
+            encoder,
+            filter,
+            sort,
+            allowDots,
+            serializeDate,
+            format,
+            formatter,
+            encodeValuesOnly,
+            charset,
+            valueSideChannel
+        ));
+    }
+
+    return values;
+};
+
+var normalizeStringifyOptions = function normalizeStringifyOptions(opts) {
+    if (!opts) {
+        return defaults;
+    }
+
+    if (opts.encoder !== null && typeof opts.encoder !== 'undefined' && typeof opts.encoder !== 'function') {
+        throw new TypeError('Encoder has to be a function.');
+    }
+
+    var charset = opts.charset || defaults.charset;
+    if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
+        throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
+    }
+
+    var format = formats['default'];
+    if (typeof opts.format !== 'undefined') {
+        if (!has.call(formats.formatters, opts.format)) {
+            throw new TypeError('Unknown format option provided.');
+        }
+        format = opts.format;
+    }
+    var formatter = formats.formatters[format];
+
+    var filter = defaults.filter;
+    if (typeof opts.filter === 'function' || isArray(opts.filter)) {
+        filter = opts.filter;
+    }
+
+    return {
+        addQueryPrefix: typeof opts.addQueryPrefix === 'boolean' ? opts.addQueryPrefix : defaults.addQueryPrefix,
+        allowDots: typeof opts.allowDots === 'undefined' ? defaults.allowDots : !!opts.allowDots,
+        charset: charset,
+        charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
+        delimiter: typeof opts.delimiter === 'undefined' ? defaults.delimiter : opts.delimiter,
+        encode: typeof opts.encode === 'boolean' ? opts.encode : defaults.encode,
+        encoder: typeof opts.encoder === 'function' ? opts.encoder : defaults.encoder,
+        encodeValuesOnly: typeof opts.encodeValuesOnly === 'boolean' ? opts.encodeValuesOnly : defaults.encodeValuesOnly,
+        filter: filter,
+        format: format,
+        formatter: formatter,
+        serializeDate: typeof opts.serializeDate === 'function' ? opts.serializeDate : defaults.serializeDate,
+        skipNulls: typeof opts.skipNulls === 'boolean' ? opts.skipNulls : defaults.skipNulls,
+        sort: typeof opts.sort === 'function' ? opts.sort : null,
+        strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
+    };
+};
+
+module.exports = function (object, opts) {
+    var obj = object;
+    var options = normalizeStringifyOptions(opts);
+
+    var objKeys;
+    var filter;
+
+    if (typeof options.filter === 'function') {
+        filter = options.filter;
+        obj = filter('', obj);
+    } else if (isArray(options.filter)) {
+        filter = options.filter;
+        objKeys = filter;
+    }
+
+    var keys = [];
+
+    if (typeof obj !== 'object' || obj === null) {
+        return '';
+    }
+
+    var arrayFormat;
+    if (opts && opts.arrayFormat in arrayPrefixGenerators) {
+        arrayFormat = opts.arrayFormat;
+    } else if (opts && 'indices' in opts) {
+        arrayFormat = opts.indices ? 'indices' : 'repeat';
+    } else {
+        arrayFormat = 'indices';
+    }
+
+    var generateArrayPrefix = arrayPrefixGenerators[arrayFormat];
+
+    if (!objKeys) {
+        objKeys = Object.keys(obj);
+    }
+
+    if (options.sort) {
+        objKeys.sort(options.sort);
+    }
+
+    var sideChannel = getSideChannel();
+    for (var i = 0; i < objKeys.length; ++i) {
+        var key = objKeys[i];
+
+        if (options.skipNulls && obj[key] === null) {
+            continue;
+        }
+        pushToArray(keys, stringify(
+            obj[key],
+            key,
+            generateArrayPrefix,
+            options.strictNullHandling,
+            options.skipNulls,
+            options.encode ? options.encoder : null,
+            options.filter,
+            options.sort,
+            options.allowDots,
+            options.serializeDate,
+            options.format,
+            options.formatter,
+            options.encodeValuesOnly,
+            options.charset,
+            sideChannel
+        ));
+    }
+
+    var joined = keys.join(options.delimiter);
+    var prefix = options.addQueryPrefix === true ? '?' : '';
+
+    if (options.charsetSentinel) {
+        if (options.charset === 'iso-8859-1') {
+            // encodeURIComponent('&#10003;'), the "numeric entity" representation of a checkmark
+            prefix += 'utf8=%26%2310003%3B&';
+        } else {
+            // encodeURIComponent('✓')
+            prefix += 'utf8=%E2%9C%93&';
+        }
+    }
+
+    return joined.length > 0 ? prefix + joined : '';
+};
+
+},{"./formats":1,"./utils":5,"side-channel":16}],5:[function(require,module,exports){
+'use strict';
+
+var formats = require('./formats');
+
+var has = Object.prototype.hasOwnProperty;
+var isArray = Array.isArray;
+
+var hexTable = (function () {
+    var array = [];
+    for (var i = 0; i < 256; ++i) {
+        array.push('%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase());
+    }
+
+    return array;
+}());
+
+var compactQueue = function compactQueue(queue) {
+    while (queue.length > 1) {
+        var item = queue.pop();
+        var obj = item.obj[item.prop];
+
+        if (isArray(obj)) {
+            var compacted = [];
+
+            for (var j = 0; j < obj.length; ++j) {
+                if (typeof obj[j] !== 'undefined') {
+                    compacted.push(obj[j]);
+                }
+            }
+
+            item.obj[item.prop] = compacted;
+        }
+    }
+};
+
+var arrayToObject = function arrayToObject(source, options) {
+    var obj = options && options.plainObjects ? Object.create(null) : {};
+    for (var i = 0; i < source.length; ++i) {
+        if (typeof source[i] !== 'undefined') {
+            obj[i] = source[i];
+        }
+    }
+
+    return obj;
+};
+
+var merge = function merge(target, source, options) {
+    /* eslint no-param-reassign: 0 */
+    if (!source) {
+        return target;
+    }
+
+    if (typeof source !== 'object') {
+        if (isArray(target)) {
+            target.push(source);
+        } else if (target && typeof target === 'object') {
+            if ((options && (options.plainObjects || options.allowPrototypes)) || !has.call(Object.prototype, source)) {
+                target[source] = true;
+            }
+        } else {
+            return [target, source];
+        }
+
+        return target;
+    }
+
+    if (!target || typeof target !== 'object') {
+        return [target].concat(source);
+    }
+
+    var mergeTarget = target;
+    if (isArray(target) && !isArray(source)) {
+        mergeTarget = arrayToObject(target, options);
+    }
+
+    if (isArray(target) && isArray(source)) {
+        source.forEach(function (item, i) {
+            if (has.call(target, i)) {
+                var targetItem = target[i];
+                if (targetItem && typeof targetItem === 'object' && item && typeof item === 'object') {
+                    target[i] = merge(targetItem, item, options);
+                } else {
+                    target.push(item);
+                }
+            } else {
+                target[i] = item;
+            }
+        });
+        return target;
+    }
+
+    return Object.keys(source).reduce(function (acc, key) {
+        var value = source[key];
+
+        if (has.call(acc, key)) {
+            acc[key] = merge(acc[key], value, options);
+        } else {
+            acc[key] = value;
+        }
+        return acc;
+    }, mergeTarget);
+};
+
+var assign = function assignSingleSource(target, source) {
+    return Object.keys(source).reduce(function (acc, key) {
+        acc[key] = source[key];
+        return acc;
+    }, target);
+};
+
+var decode = function (str, decoder, charset) {
+    var strWithoutPlus = str.replace(/\+/g, ' ');
+    if (charset === 'iso-8859-1') {
+        // unescape never throws, no try...catch needed:
+        return strWithoutPlus.replace(/%[0-9a-f]{2}/gi, unescape);
+    }
+    // utf-8
+    try {
+        return decodeURIComponent(strWithoutPlus);
+    } catch (e) {
+        return strWithoutPlus;
+    }
+};
+
+var encode = function encode(str, defaultEncoder, charset, kind, format) {
+    // This code was originally written by Brian White (mscdex) for the io.js core querystring library.
+    // It has been adapted here for stricter adherence to RFC 3986
+    if (str.length === 0) {
+        return str;
+    }
+
+    var string = str;
+    if (typeof str === 'symbol') {
+        string = Symbol.prototype.toString.call(str);
+    } else if (typeof str !== 'string') {
+        string = String(str);
+    }
+
+    if (charset === 'iso-8859-1') {
+        return escape(string).replace(/%u[0-9a-f]{4}/gi, function ($0) {
+            return '%26%23' + parseInt($0.slice(2), 16) + '%3B';
+        });
+    }
+
+    var out = '';
+    for (var i = 0; i < string.length; ++i) {
+        var c = string.charCodeAt(i);
+
+        if (
+            c === 0x2D // -
+            || c === 0x2E // .
+            || c === 0x5F // _
+            || c === 0x7E // ~
+            || (c >= 0x30 && c <= 0x39) // 0-9
+            || (c >= 0x41 && c <= 0x5A) // a-z
+            || (c >= 0x61 && c <= 0x7A) // A-Z
+            || (format === formats.RFC1738 && (c === 0x28 || c === 0x29)) // ( )
+        ) {
+            out += string.charAt(i);
+            continue;
+        }
+
+        if (c < 0x80) {
+            out = out + hexTable[c];
+            continue;
+        }
+
+        if (c < 0x800) {
+            out = out + (hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)]);
+            continue;
+        }
+
+        if (c < 0xD800 || c >= 0xE000) {
+            out = out + (hexTable[0xE0 | (c >> 12)] + hexTable[0x80 | ((c >> 6) & 0x3F)] + hexTable[0x80 | (c & 0x3F)]);
+            continue;
+        }
+
+        i += 1;
+        c = 0x10000 + (((c & 0x3FF) << 10) | (string.charCodeAt(i) & 0x3FF));
+        /* eslint operator-linebreak: [2, "before"] */
+        out += hexTable[0xF0 | (c >> 18)]
+            + hexTable[0x80 | ((c >> 12) & 0x3F)]
+            + hexTable[0x80 | ((c >> 6) & 0x3F)]
+            + hexTable[0x80 | (c & 0x3F)];
+    }
+
+    return out;
+};
+
+var compact = function compact(value) {
+    var queue = [{ obj: { o: value }, prop: 'o' }];
+    var refs = [];
+
+    for (var i = 0; i < queue.length; ++i) {
+        var item = queue[i];
+        var obj = item.obj[item.prop];
+
+        var keys = Object.keys(obj);
+        for (var j = 0; j < keys.length; ++j) {
+            var key = keys[j];
+            var val = obj[key];
+            if (typeof val === 'object' && val !== null && refs.indexOf(val) === -1) {
+                queue.push({ obj: obj, prop: key });
+                refs.push(val);
+            }
+        }
+    }
+
+    compactQueue(queue);
+
+    return value;
+};
+
+var isRegExp = function isRegExp(obj) {
+    return Object.prototype.toString.call(obj) === '[object RegExp]';
+};
+
+var isBuffer = function isBuffer(obj) {
+    if (!obj || typeof obj !== 'object') {
+        return false;
+    }
+
+    return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj));
+};
+
+var combine = function combine(a, b) {
+    return [].concat(a, b);
+};
+
+var maybeMap = function maybeMap(val, fn) {
+    if (isArray(val)) {
+        var mapped = [];
+        for (var i = 0; i < val.length; i += 1) {
+            mapped.push(fn(val[i]));
+        }
+        return mapped;
+    }
+    return fn(val);
+};
+
+module.exports = {
+    arrayToObject: arrayToObject,
+    assign: assign,
+    combine: combine,
+    compact: compact,
+    decode: decode,
+    encode: encode,
+    isBuffer: isBuffer,
+    isRegExp: isRegExp,
+    maybeMap: maybeMap,
+    merge: merge
+};
+
+},{"./formats":1}],6:[function(require,module,exports){
+
+},{}],7:[function(require,module,exports){
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+
+var callBind = require('./');
+
+var $indexOf = callBind(GetIntrinsic('String.prototype.indexOf'));
+
+module.exports = function callBoundIntrinsic(name, allowMissing) {
+	var intrinsic = GetIntrinsic(name, !!allowMissing);
+	if (typeof intrinsic === 'function' && $indexOf(name, '.prototype.') > -1) {
+		return callBind(intrinsic);
+	}
+	return intrinsic;
+};
+
+},{"./":8,"get-intrinsic":11}],8:[function(require,module,exports){
+'use strict';
+
+var bind = require('function-bind');
+var GetIntrinsic = require('get-intrinsic');
+
+var $apply = GetIntrinsic('%Function.prototype.apply%');
+var $call = GetIntrinsic('%Function.prototype.call%');
+var $reflectApply = GetIntrinsic('%Reflect.apply%', true) || bind.call($call, $apply);
+
+var $gOPD = GetIntrinsic('%Object.getOwnPropertyDescriptor%', true);
+var $defineProperty = GetIntrinsic('%Object.defineProperty%', true);
+var $max = GetIntrinsic('%Math.max%');
+
+if ($defineProperty) {
+	try {
+		$defineProperty({}, 'a', { value: 1 });
+	} catch (e) {
+		// IE 8 has a broken defineProperty
+		$defineProperty = null;
+	}
+}
+
+module.exports = function callBind(originalFunction) {
+	var func = $reflectApply(bind, $call, arguments);
+	if ($gOPD && $defineProperty) {
+		var desc = $gOPD(func, 'length');
+		if (desc.configurable) {
+			// original length, plus the receiver, minus any additional arguments (after the receiver)
+			$defineProperty(
+				func,
+				'length',
+				{ value: 1 + $max(0, originalFunction.length - (arguments.length - 1)) }
+			);
+		}
+	}
+	return func;
+};
+
+var applyBind = function applyBind() {
+	return $reflectApply(bind, $apply, arguments);
+};
+
+if ($defineProperty) {
+	$defineProperty(module.exports, 'apply', { value: applyBind });
+} else {
+	module.exports.apply = applyBind;
+}
+
+},{"function-bind":10,"get-intrinsic":11}],9:[function(require,module,exports){
+'use strict';
+
+/* eslint no-invalid-this: 1 */
+
+var ERROR_MESSAGE = 'Function.prototype.bind called on incompatible ';
+var slice = Array.prototype.slice;
+var toStr = Object.prototype.toString;
+var funcType = '[object Function]';
+
+module.exports = function bind(that) {
+    var target = this;
+    if (typeof target !== 'function' || toStr.call(target) !== funcType) {
+        throw new TypeError(ERROR_MESSAGE + target);
+    }
+    var args = slice.call(arguments, 1);
+
+    var bound;
+    var binder = function () {
+        if (this instanceof bound) {
+            var result = target.apply(
+                this,
+                args.concat(slice.call(arguments))
+            );
+            if (Object(result) === result) {
+                return result;
+            }
+            return this;
+        } else {
+            return target.apply(
+                that,
+                args.concat(slice.call(arguments))
+            );
+        }
+    };
+
+    var boundLength = Math.max(0, target.length - args.length);
+    var boundArgs = [];
+    for (var i = 0; i < boundLength; i++) {
+        boundArgs.push('$' + i);
+    }
+
+    bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this,arguments); }')(binder);
+
+    if (target.prototype) {
+        var Empty = function Empty() {};
+        Empty.prototype = target.prototype;
+        bound.prototype = new Empty();
+        Empty.prototype = null;
+    }
+
+    return bound;
+};
+
+},{}],10:[function(require,module,exports){
+'use strict';
+
+var implementation = require('./implementation');
+
+module.exports = Function.prototype.bind || implementation;
+
+},{"./implementation":9}],11:[function(require,module,exports){
+'use strict';
+
+var undefined;
+
+var $SyntaxError = SyntaxError;
+var $Function = Function;
+var $TypeError = TypeError;
+
+// eslint-disable-next-line consistent-return
+var getEvalledConstructor = function (expressionSyntax) {
+	try {
+		return $Function('"use strict"; return (' + expressionSyntax + ').constructor;')();
+	} catch (e) {}
+};
+
+var $gOPD = Object.getOwnPropertyDescriptor;
+if ($gOPD) {
+	try {
+		$gOPD({}, '');
+	} catch (e) {
+		$gOPD = null; // this is IE 8, which has a broken gOPD
+	}
+}
+
+var throwTypeError = function () {
+	throw new $TypeError();
+};
+var ThrowTypeError = $gOPD
+	? (function () {
+		try {
+			// eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties
+			arguments.callee; // IE 8 does not throw here
+			return throwTypeError;
+		} catch (calleeThrows) {
+			try {
+				// IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '')
+				return $gOPD(arguments, 'callee').get;
+			} catch (gOPDthrows) {
+				return throwTypeError;
+			}
+		}
+	}())
+	: throwTypeError;
+
+var hasSymbols = require('has-symbols')();
+
+var getProto = Object.getPrototypeOf || function (x) { return x.__proto__; }; // eslint-disable-line no-proto
+
+var needsEval = {};
+
+var TypedArray = typeof Uint8Array === 'undefined' ? undefined : getProto(Uint8Array);
+
+var INTRINSICS = {
+	'%AggregateError%': typeof AggregateError === 'undefined' ? undefined : AggregateError,
+	'%Array%': Array,
+	'%ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer,
+	'%ArrayIteratorPrototype%': hasSymbols ? getProto([][Symbol.iterator]()) : undefined,
+	'%AsyncFromSyncIteratorPrototype%': undefined,
+	'%AsyncFunction%': needsEval,
+	'%AsyncGenerator%': needsEval,
+	'%AsyncGeneratorFunction%': needsEval,
+	'%AsyncIteratorPrototype%': needsEval,
+	'%Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics,
+	'%BigInt%': typeof BigInt === 'undefined' ? undefined : BigInt,
+	'%Boolean%': Boolean,
+	'%DataView%': typeof DataView === 'undefined' ? undefined : DataView,
+	'%Date%': Date,
+	'%decodeURI%': decodeURI,
+	'%decodeURIComponent%': decodeURIComponent,
+	'%encodeURI%': encodeURI,
+	'%encodeURIComponent%': encodeURIComponent,
+	'%Error%': Error,
+	'%eval%': eval, // eslint-disable-line no-eval
+	'%EvalError%': EvalError,
+	'%Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array,
+	'%Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array,
+	'%FinalizationRegistry%': typeof FinalizationRegistry === 'undefined' ? undefined : FinalizationRegistry,
+	'%Function%': $Function,
+	'%GeneratorFunction%': needsEval,
+	'%Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array,
+	'%Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array,
+	'%Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array,
+	'%isFinite%': isFinite,
+	'%isNaN%': isNaN,
+	'%IteratorPrototype%': hasSymbols ? getProto(getProto([][Symbol.iterator]())) : undefined,
+	'%JSON%': typeof JSON === 'object' ? JSON : undefined,
+	'%Map%': typeof Map === 'undefined' ? undefined : Map,
+	'%MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols ? undefined : getProto(new Map()[Symbol.iterator]()),
+	'%Math%': Math,
+	'%Number%': Number,
+	'%Object%': Object,
+	'%parseFloat%': parseFloat,
+	'%parseInt%': parseInt,
+	'%Promise%': typeof Promise === 'undefined' ? undefined : Promise,
+	'%Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy,
+	'%RangeError%': RangeError,
+	'%ReferenceError%': ReferenceError,
+	'%Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect,
+	'%RegExp%': RegExp,
+	'%Set%': typeof Set === 'undefined' ? undefined : Set,
+	'%SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols ? undefined : getProto(new Set()[Symbol.iterator]()),
+	'%SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer,
+	'%String%': String,
+	'%StringIteratorPrototype%': hasSymbols ? getProto(''[Symbol.iterator]()) : undefined,
+	'%Symbol%': hasSymbols ? Symbol : undefined,
+	'%SyntaxError%': $SyntaxError,
+	'%ThrowTypeError%': ThrowTypeError,
+	'%TypedArray%': TypedArray,
+	'%TypeError%': $TypeError,
+	'%Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array,
+	'%Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray,
+	'%Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array,
+	'%Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array,
+	'%URIError%': URIError,
+	'%WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap,
+	'%WeakRef%': typeof WeakRef === 'undefined' ? undefined : WeakRef,
+	'%WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet
+};
+
+var doEval = function doEval(name) {
+	var value;
+	if (name === '%AsyncFunction%') {
+		value = getEvalledConstructor('async function () {}');
+	} else if (name === '%GeneratorFunction%') {
+		value = getEvalledConstructor('function* () {}');
+	} else if (name === '%AsyncGeneratorFunction%') {
+		value = getEvalledConstructor('async function* () {}');
+	} else if (name === '%AsyncGenerator%') {
+		var fn = doEval('%AsyncGeneratorFunction%');
+		if (fn) {
+			value = fn.prototype;
+		}
+	} else if (name === '%AsyncIteratorPrototype%') {
+		var gen = doEval('%AsyncGenerator%');
+		if (gen) {
+			value = getProto(gen.prototype);
+		}
+	}
+
+	INTRINSICS[name] = value;
+
+	return value;
+};
+
+var LEGACY_ALIASES = {
+	'%ArrayBufferPrototype%': ['ArrayBuffer', 'prototype'],
+	'%ArrayPrototype%': ['Array', 'prototype'],
+	'%ArrayProto_entries%': ['Array', 'prototype', 'entries'],
+	'%ArrayProto_forEach%': ['Array', 'prototype', 'forEach'],
+	'%ArrayProto_keys%': ['Array', 'prototype', 'keys'],
+	'%ArrayProto_values%': ['Array', 'prototype', 'values'],
+	'%AsyncFunctionPrototype%': ['AsyncFunction', 'prototype'],
+	'%AsyncGenerator%': ['AsyncGeneratorFunction', 'prototype'],
+	'%AsyncGeneratorPrototype%': ['AsyncGeneratorFunction', 'prototype', 'prototype'],
+	'%BooleanPrototype%': ['Boolean', 'prototype'],
+	'%DataViewPrototype%': ['DataView', 'prototype'],
+	'%DatePrototype%': ['Date', 'prototype'],
+	'%ErrorPrototype%': ['Error', 'prototype'],
+	'%EvalErrorPrototype%': ['EvalError', 'prototype'],
+	'%Float32ArrayPrototype%': ['Float32Array', 'prototype'],
+	'%Float64ArrayPrototype%': ['Float64Array', 'prototype'],
+	'%FunctionPrototype%': ['Function', 'prototype'],
+	'%Generator%': ['GeneratorFunction', 'prototype'],
+	'%GeneratorPrototype%': ['GeneratorFunction', 'prototype', 'prototype'],
+	'%Int8ArrayPrototype%': ['Int8Array', 'prototype'],
+	'%Int16ArrayPrototype%': ['Int16Array', 'prototype'],
+	'%Int32ArrayPrototype%': ['Int32Array', 'prototype'],
+	'%JSONParse%': ['JSON', 'parse'],
+	'%JSONStringify%': ['JSON', 'stringify'],
+	'%MapPrototype%': ['Map', 'prototype'],
+	'%NumberPrototype%': ['Number', 'prototype'],
+	'%ObjectPrototype%': ['Object', 'prototype'],
+	'%ObjProto_toString%': ['Object', 'prototype', 'toString'],
+	'%ObjProto_valueOf%': ['Object', 'prototype', 'valueOf'],
+	'%PromisePrototype%': ['Promise', 'prototype'],
+	'%PromiseProto_then%': ['Promise', 'prototype', 'then'],
+	'%Promise_all%': ['Promise', 'all'],
+	'%Promise_reject%': ['Promise', 'reject'],
+	'%Promise_resolve%': ['Promise', 'resolve'],
+	'%RangeErrorPrototype%': ['RangeError', 'prototype'],
+	'%ReferenceErrorPrototype%': ['ReferenceError', 'prototype'],
+	'%RegExpPrototype%': ['RegExp', 'prototype'],
+	'%SetPrototype%': ['Set', 'prototype'],
+	'%SharedArrayBufferPrototype%': ['SharedArrayBuffer', 'prototype'],
+	'%StringPrototype%': ['String', 'prototype'],
+	'%SymbolPrototype%': ['Symbol', 'prototype'],
+	'%SyntaxErrorPrototype%': ['SyntaxError', 'prototype'],
+	'%TypedArrayPrototype%': ['TypedArray', 'prototype'],
+	'%TypeErrorPrototype%': ['TypeError', 'prototype'],
+	'%Uint8ArrayPrototype%': ['Uint8Array', 'prototype'],
+	'%Uint8ClampedArrayPrototype%': ['Uint8ClampedArray', 'prototype'],
+	'%Uint16ArrayPrototype%': ['Uint16Array', 'prototype'],
+	'%Uint32ArrayPrototype%': ['Uint32Array', 'prototype'],
+	'%URIErrorPrototype%': ['URIError', 'prototype'],
+	'%WeakMapPrototype%': ['WeakMap', 'prototype'],
+	'%WeakSetPrototype%': ['WeakSet', 'prototype']
+};
+
+var bind = require('function-bind');
+var hasOwn = require('has');
+var $concat = bind.call(Function.call, Array.prototype.concat);
+var $spliceApply = bind.call(Function.apply, Array.prototype.splice);
+var $replace = bind.call(Function.call, String.prototype.replace);
+var $strSlice = bind.call(Function.call, String.prototype.slice);
+
+/* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */
+var rePropName = /[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g;
+var reEscapeChar = /\\(\\)?/g; /** Used to match backslashes in property paths. */
+var stringToPath = function stringToPath(string) {
+	var first = $strSlice(string, 0, 1);
+	var last = $strSlice(string, -1);
+	if (first === '%' && last !== '%') {
+		throw new $SyntaxError('invalid intrinsic syntax, expected closing `%`');
+	} else if (last === '%' && first !== '%') {
+		throw new $SyntaxError('invalid intrinsic syntax, expected opening `%`');
+	}
+	var result = [];
+	$replace(string, rePropName, function (match, number, quote, subString) {
+		result[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : number || match;
+	});
+	return result;
+};
+/* end adaptation */
+
+var getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) {
+	var intrinsicName = name;
+	var alias;
+	if (hasOwn(LEGACY_ALIASES, intrinsicName)) {
+		alias = LEGACY_ALIASES[intrinsicName];
+		intrinsicName = '%' + alias[0] + '%';
+	}
+
+	if (hasOwn(INTRINSICS, intrinsicName)) {
+		var value = INTRINSICS[intrinsicName];
+		if (value === needsEval) {
+			value = doEval(intrinsicName);
+		}
+		if (typeof value === 'undefined' && !allowMissing) {
+			throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!');
+		}
+
+		return {
+			alias: alias,
+			name: intrinsicName,
+			value: value
+		};
+	}
+
+	throw new $SyntaxError('intrinsic ' + name + ' does not exist!');
+};
+
+module.exports = function GetIntrinsic(name, allowMissing) {
+	if (typeof name !== 'string' || name.length === 0) {
+		throw new $TypeError('intrinsic name must be a non-empty string');
+	}
+	if (arguments.length > 1 && typeof allowMissing !== 'boolean') {
+		throw new $TypeError('"allowMissing" argument must be a boolean');
+	}
+
+	var parts = stringToPath(name);
+	var intrinsicBaseName = parts.length > 0 ? parts[0] : '';
+
+	var intrinsic = getBaseIntrinsic('%' + intrinsicBaseName + '%', allowMissing);
+	var intrinsicRealName = intrinsic.name;
+	var value = intrinsic.value;
+	var skipFurtherCaching = false;
+
+	var alias = intrinsic.alias;
+	if (alias) {
+		intrinsicBaseName = alias[0];
+		$spliceApply(parts, $concat([0, 1], alias));
+	}
+
+	for (var i = 1, isOwn = true; i < parts.length; i += 1) {
+		var part = parts[i];
+		var first = $strSlice(part, 0, 1);
+		var last = $strSlice(part, -1);
+		if (
+			(
+				(first === '"' || first === "'" || first === '`')
+				|| (last === '"' || last === "'" || last === '`')
+			)
+			&& first !== last
+		) {
+			throw new $SyntaxError('property names with quotes must have matching quotes');
+		}
+		if (part === 'constructor' || !isOwn) {
+			skipFurtherCaching = true;
+		}
+
+		intrinsicBaseName += '.' + part;
+		intrinsicRealName = '%' + intrinsicBaseName + '%';
+
+		if (hasOwn(INTRINSICS, intrinsicRealName)) {
+			value = INTRINSICS[intrinsicRealName];
+		} else if (value != null) {
+			if (!(part in value)) {
+				if (!allowMissing) {
+					throw new $TypeError('base intrinsic for ' + name + ' exists, but the property is not available.');
+				}
+				return void undefined;
+			}
+			if ($gOPD && (i + 1) >= parts.length) {
+				var desc = $gOPD(value, part);
+				isOwn = !!desc;
+
+				// By convention, when a data property is converted to an accessor
+				// property to emulate a data property that does not suffer from
+				// the override mistake, that accessor's getter is marked with
+				// an `originalValue` property. Here, when we detect this, we
+				// uphold the illusion by pretending to see that original data
+				// property, i.e., returning the value rather than the getter
+				// itself.
+				if (isOwn && 'get' in desc && !('originalValue' in desc.get)) {
+					value = desc.get;
+				} else {
+					value = value[part];
+				}
+			} else {
+				isOwn = hasOwn(value, part);
+				value = value[part];
+			}
+
+			if (isOwn && !skipFurtherCaching) {
+				INTRINSICS[intrinsicRealName] = value;
+			}
+		}
+	}
+	return value;
+};
+
+},{"function-bind":10,"has":14,"has-symbols":12}],12:[function(require,module,exports){
+'use strict';
+
+var origSymbol = typeof Symbol !== 'undefined' && Symbol;
+var hasSymbolSham = require('./shams');
+
+module.exports = function hasNativeSymbols() {
+	if (typeof origSymbol !== 'function') { return false; }
+	if (typeof Symbol !== 'function') { return false; }
+	if (typeof origSymbol('foo') !== 'symbol') { return false; }
+	if (typeof Symbol('bar') !== 'symbol') { return false; }
+
+	return hasSymbolSham();
+};
+
+},{"./shams":13}],13:[function(require,module,exports){
+'use strict';
+
+/* eslint complexity: [2, 18], max-statements: [2, 33] */
+module.exports = function hasSymbols() {
+	if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; }
+	if (typeof Symbol.iterator === 'symbol') { return true; }
+
+	var obj = {};
+	var sym = Symbol('test');
+	var symObj = Object(sym);
+	if (typeof sym === 'string') { return false; }
+
+	if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; }
+	if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; }
+
+	// temp disabled per https://github.com/ljharb/object.assign/issues/17
+	// if (sym instanceof Symbol) { return false; }
+	// temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4
+	// if (!(symObj instanceof Symbol)) { return false; }
+
+	// if (typeof Symbol.prototype.toString !== 'function') { return false; }
+	// if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; }
+
+	var symVal = 42;
+	obj[sym] = symVal;
+	for (sym in obj) { return false; } // eslint-disable-line no-restricted-syntax, no-unreachable-loop
+	if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; }
+
+	if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; }
+
+	var syms = Object.getOwnPropertySymbols(obj);
+	if (syms.length !== 1 || syms[0] !== sym) { return false; }
+
+	if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; }
+
+	if (typeof Object.getOwnPropertyDescriptor === 'function') {
+		var descriptor = Object.getOwnPropertyDescriptor(obj, sym);
+		if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; }
+	}
+
+	return true;
+};
+
+},{}],14:[function(require,module,exports){
+'use strict';
+
+var bind = require('function-bind');
+
+module.exports = bind.call(Function.call, Object.prototype.hasOwnProperty);
+
+},{"function-bind":10}],15:[function(require,module,exports){
+var hasMap = typeof Map === 'function' && Map.prototype;
+var mapSizeDescriptor = Object.getOwnPropertyDescriptor && hasMap ? Object.getOwnPropertyDescriptor(Map.prototype, 'size') : null;
+var mapSize = hasMap && mapSizeDescriptor && typeof mapSizeDescriptor.get === 'function' ? mapSizeDescriptor.get : null;
+var mapForEach = hasMap && Map.prototype.forEach;
+var hasSet = typeof Set === 'function' && Set.prototype;
+var setSizeDescriptor = Object.getOwnPropertyDescriptor && hasSet ? Object.getOwnPropertyDescriptor(Set.prototype, 'size') : null;
+var setSize = hasSet && setSizeDescriptor && typeof setSizeDescriptor.get === 'function' ? setSizeDescriptor.get : null;
+var setForEach = hasSet && Set.prototype.forEach;
+var hasWeakMap = typeof WeakMap === 'function' && WeakMap.prototype;
+var weakMapHas = hasWeakMap ? WeakMap.prototype.has : null;
+var hasWeakSet = typeof WeakSet === 'function' && WeakSet.prototype;
+var weakSetHas = hasWeakSet ? WeakSet.prototype.has : null;
+var hasWeakRef = typeof WeakRef === 'function' && WeakRef.prototype;
+var weakRefDeref = hasWeakRef ? WeakRef.prototype.deref : null;
+var booleanValueOf = Boolean.prototype.valueOf;
+var objectToString = Object.prototype.toString;
+var functionToString = Function.prototype.toString;
+var $match = String.prototype.match;
+var $slice = String.prototype.slice;
+var $replace = String.prototype.replace;
+var $toUpperCase = String.prototype.toUpperCase;
+var $toLowerCase = String.prototype.toLowerCase;
+var $test = RegExp.prototype.test;
+var $concat = Array.prototype.concat;
+var $join = Array.prototype.join;
+var $arrSlice = Array.prototype.slice;
+var $floor = Math.floor;
+var bigIntValueOf = typeof BigInt === 'function' ? BigInt.prototype.valueOf : null;
+var gOPS = Object.getOwnPropertySymbols;
+var symToString = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol' ? Symbol.prototype.toString : null;
+var hasShammedSymbols = typeof Symbol === 'function' && typeof Symbol.iterator === 'object';
+// ie, `has-tostringtag/shams
+var toStringTag = typeof Symbol === 'function' && Symbol.toStringTag && (typeof Symbol.toStringTag === hasShammedSymbols ? 'object' : 'symbol')
+    ? Symbol.toStringTag
+    : null;
+var isEnumerable = Object.prototype.propertyIsEnumerable;
+
+var gPO = (typeof Reflect === 'function' ? Reflect.getPrototypeOf : Object.getPrototypeOf) || (
+    [].__proto__ === Array.prototype // eslint-disable-line no-proto
+        ? function (O) {
+            return O.__proto__; // eslint-disable-line no-proto
+        }
+        : null
+);
+
+function addNumericSeparator(num, str) {
+    if (
+        num === Infinity
+        || num === -Infinity
+        || num !== num
+        || (num && num > -1000 && num < 1000)
+        || $test.call(/e/, str)
+    ) {
+        return str;
+    }
+    var sepRegex = /[0-9](?=(?:[0-9]{3})+(?![0-9]))/g;
+    if (typeof num === 'number') {
+        var int = num < 0 ? -$floor(-num) : $floor(num); // trunc(num)
+        if (int !== num) {
+            var intStr = String(int);
+            var dec = $slice.call(str, intStr.length + 1);
+            return $replace.call(intStr, sepRegex, '$&_') + '.' + $replace.call($replace.call(dec, /([0-9]{3})/g, '$&_'), /_$/, '');
+        }
+    }
+    return $replace.call(str, sepRegex, '$&_');
+}
+
+var inspectCustom = require('./util.inspect').custom;
+var inspectSymbol = inspectCustom && isSymbol(inspectCustom) ? inspectCustom : null;
+
+module.exports = function inspect_(obj, options, depth, seen) {
+    var opts = options || {};
+
+    if (has(opts, 'quoteStyle') && (opts.quoteStyle !== 'single' && opts.quoteStyle !== 'double')) {
+        throw new TypeError('option "quoteStyle" must be "single" or "double"');
+    }
+    if (
+        has(opts, 'maxStringLength') && (typeof opts.maxStringLength === 'number'
+            ? opts.maxStringLength < 0 && opts.maxStringLength !== Infinity
+            : opts.maxStringLength !== null
+        )
+    ) {
+        throw new TypeError('option "maxStringLength", if provided, must be a positive integer, Infinity, or `null`');
+    }
+    var customInspect = has(opts, 'customInspect') ? opts.customInspect : true;
+    if (typeof customInspect !== 'boolean' && customInspect !== 'symbol') {
+        throw new TypeError('option "customInspect", if provided, must be `true`, `false`, or `\'symbol\'`');
+    }
+
+    if (
+        has(opts, 'indent')
+        && opts.indent !== null
+        && opts.indent !== '\t'
+        && !(parseInt(opts.indent, 10) === opts.indent && opts.indent > 0)
+    ) {
+        throw new TypeError('option "indent" must be "\\t", an integer > 0, or `null`');
+    }
+    if (has(opts, 'numericSeparator') && typeof opts.numericSeparator !== 'boolean') {
+        throw new TypeError('option "numericSeparator", if provided, must be `true` or `false`');
+    }
+    var numericSeparator = opts.numericSeparator;
+
+    if (typeof obj === 'undefined') {
+        return 'undefined';
+    }
+    if (obj === null) {
+        return 'null';
+    }
+    if (typeof obj === 'boolean') {
+        return obj ? 'true' : 'false';
+    }
+
+    if (typeof obj === 'string') {
+        return inspectString(obj, opts);
+    }
+    if (typeof obj === 'number') {
+        if (obj === 0) {
+            return Infinity / obj > 0 ? '0' : '-0';
+        }
+        var str = String(obj);
+        return numericSeparator ? addNumericSeparator(obj, str) : str;
+    }
+    if (typeof obj === 'bigint') {
+        var bigIntStr = String(obj) + 'n';
+        return numericSeparator ? addNumericSeparator(obj, bigIntStr) : bigIntStr;
+    }
+
+    var maxDepth = typeof opts.depth === 'undefined' ? 5 : opts.depth;
+    if (typeof depth === 'undefined') { depth = 0; }
+    if (depth >= maxDepth && maxDepth > 0 && typeof obj === 'object') {
+        return isArray(obj) ? '[Array]' : '[Object]';
+    }
+
+    var indent = getIndent(opts, depth);
+
+    if (typeof seen === 'undefined') {
+        seen = [];
+    } else if (indexOf(seen, obj) >= 0) {
+        return '[Circular]';
+    }
+
+    function inspect(value, from, noIndent) {
+        if (from) {
+            seen = $arrSlice.call(seen);
+            seen.push(from);
+        }
+        if (noIndent) {
+            var newOpts = {
+                depth: opts.depth
+            };
+            if (has(opts, 'quoteStyle')) {
+                newOpts.quoteStyle = opts.quoteStyle;
+            }
+            return inspect_(value, newOpts, depth + 1, seen);
+        }
+        return inspect_(value, opts, depth + 1, seen);
+    }
+
+    if (typeof obj === 'function') {
+        var name = nameOf(obj);
+        var keys = arrObjKeys(obj, inspect);
+        return '[Function' + (name ? ': ' + name : ' (anonymous)') + ']' + (keys.length > 0 ? ' { ' + $join.call(keys, ', ') + ' }' : '');
+    }
+    if (isSymbol(obj)) {
+        var symString = hasShammedSymbols ? $replace.call(String(obj), /^(Symbol\(.*\))_[^)]*$/, '$1') : symToString.call(obj);
+        return typeof obj === 'object' && !hasShammedSymbols ? markBoxed(symString) : symString;
+    }
+    if (isElement(obj)) {
+        var s = '<' + $toLowerCase.call(String(obj.nodeName));
+        var attrs = obj.attributes || [];
+        for (var i = 0; i < attrs.length; i++) {
+            s += ' ' + attrs[i].name + '=' + wrapQuotes(quote(attrs[i].value), 'double', opts);
+        }
+        s += '>';
+        if (obj.childNodes && obj.childNodes.length) { s += '...'; }
+        s += '</' + $toLowerCase.call(String(obj.nodeName)) + '>';
+        return s;
+    }
+    if (isArray(obj)) {
+        if (obj.length === 0) { return '[]'; }
+        var xs = arrObjKeys(obj, inspect);
+        if (indent && !singleLineValues(xs)) {
+            return '[' + indentedJoin(xs, indent) + ']';
+        }
+        return '[ ' + $join.call(xs, ', ') + ' ]';
+    }
+    if (isError(obj)) {
+        var parts = arrObjKeys(obj, inspect);
+        if ('cause' in obj && !isEnumerable.call(obj, 'cause')) {
+            return '{ [' + String(obj) + '] ' + $join.call($concat.call('[cause]: ' + inspect(obj.cause), parts), ', ') + ' }';
+        }
+        if (parts.length === 0) { return '[' + String(obj) + ']'; }
+        return '{ [' + String(obj) + '] ' + $join.call(parts, ', ') + ' }';
+    }
+    if (typeof obj === 'object' && customInspect) {
+        if (inspectSymbol && typeof obj[inspectSymbol] === 'function') {
+            return obj[inspectSymbol]();
+        } else if (customInspect !== 'symbol' && typeof obj.inspect === 'function') {
+            return obj.inspect();
+        }
+    }
+    if (isMap(obj)) {
+        var mapParts = [];
+        mapForEach.call(obj, function (value, key) {
+            mapParts.push(inspect(key, obj, true) + ' => ' + inspect(value, obj));
+        });
+        return collectionOf('Map', mapSize.call(obj), mapParts, indent);
+    }
+    if (isSet(obj)) {
+        var setParts = [];
+        setForEach.call(obj, function (value) {
+            setParts.push(inspect(value, obj));
+        });
+        return collectionOf('Set', setSize.call(obj), setParts, indent);
+    }
+    if (isWeakMap(obj)) {
+        return weakCollectionOf('WeakMap');
+    }
+    if (isWeakSet(obj)) {
+        return weakCollectionOf('WeakSet');
+    }
+    if (isWeakRef(obj)) {
+        return weakCollectionOf('WeakRef');
+    }
+    if (isNumber(obj)) {
+        return markBoxed(inspect(Number(obj)));
+    }
+    if (isBigInt(obj)) {
+        return markBoxed(inspect(bigIntValueOf.call(obj)));
+    }
+    if (isBoolean(obj)) {
+        return markBoxed(booleanValueOf.call(obj));
+    }
+    if (isString(obj)) {
+        return markBoxed(inspect(String(obj)));
+    }
+    if (!isDate(obj) && !isRegExp(obj)) {
+        var ys = arrObjKeys(obj, inspect);
+        var isPlainObject = gPO ? gPO(obj) === Object.prototype : obj instanceof Object || obj.constructor === Object;
+        var protoTag = obj instanceof Object ? '' : 'null prototype';
+        var stringTag = !isPlainObject && toStringTag && Object(obj) === obj && toStringTag in obj ? $slice.call(toStr(obj), 8, -1) : protoTag ? 'Object' : '';
+        var constructorTag = isPlainObject || typeof obj.constructor !== 'function' ? '' : obj.constructor.name ? obj.constructor.name + ' ' : '';
+        var tag = constructorTag + (stringTag || protoTag ? '[' + $join.call($concat.call([], stringTag || [], protoTag || []), ': ') + '] ' : '');
+        if (ys.length === 0) { return tag + '{}'; }
+        if (indent) {
+            return tag + '{' + indentedJoin(ys, indent) + '}';
+        }
+        return tag + '{ ' + $join.call(ys, ', ') + ' }';
+    }
+    return String(obj);
+};
+
+function wrapQuotes(s, defaultStyle, opts) {
+    var quoteChar = (opts.quoteStyle || defaultStyle) === 'double' ? '"' : "'";
+    return quoteChar + s + quoteChar;
+}
+
+function quote(s) {
+    return $replace.call(String(s), /"/g, '&quot;');
+}
+
+function isArray(obj) { return toStr(obj) === '[object Array]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isDate(obj) { return toStr(obj) === '[object Date]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isRegExp(obj) { return toStr(obj) === '[object RegExp]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isError(obj) { return toStr(obj) === '[object Error]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isString(obj) { return toStr(obj) === '[object String]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isNumber(obj) { return toStr(obj) === '[object Number]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+function isBoolean(obj) { return toStr(obj) === '[object Boolean]' && (!toStringTag || !(typeof obj === 'object' && toStringTag in obj)); }
+
+// Symbol and BigInt do have Symbol.toStringTag by spec, so that can't be used to eliminate false positives
+function isSymbol(obj) {
+    if (hasShammedSymbols) {
+        return obj && typeof obj === 'object' && obj instanceof Symbol;
+    }
+    if (typeof obj === 'symbol') {
+        return true;
+    }
+    if (!obj || typeof obj !== 'object' || !symToString) {
+        return false;
+    }
+    try {
+        symToString.call(obj);
+        return true;
+    } catch (e) {}
+    return false;
+}
+
+function isBigInt(obj) {
+    if (!obj || typeof obj !== 'object' || !bigIntValueOf) {
+        return false;
+    }
+    try {
+        bigIntValueOf.call(obj);
+        return true;
+    } catch (e) {}
+    return false;
+}
+
+var hasOwn = Object.prototype.hasOwnProperty || function (key) { return key in this; };
+function has(obj, key) {
+    return hasOwn.call(obj, key);
+}
+
+function toStr(obj) {
+    return objectToString.call(obj);
+}
+
+function nameOf(f) {
+    if (f.name) { return f.name; }
+    var m = $match.call(functionToString.call(f), /^function\s*([\w$]+)/);
+    if (m) { return m[1]; }
+    return null;
+}
+
+function indexOf(xs, x) {
+    if (xs.indexOf) { return xs.indexOf(x); }
+    for (var i = 0, l = xs.length; i < l; i++) {
+        if (xs[i] === x) { return i; }
+    }
+    return -1;
+}
+
+function isMap(x) {
+    if (!mapSize || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        mapSize.call(x);
+        try {
+            setSize.call(x);
+        } catch (s) {
+            return true;
+        }
+        return x instanceof Map; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isWeakMap(x) {
+    if (!weakMapHas || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        weakMapHas.call(x, weakMapHas);
+        try {
+            weakSetHas.call(x, weakSetHas);
+        } catch (s) {
+            return true;
+        }
+        return x instanceof WeakMap; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isWeakRef(x) {
+    if (!weakRefDeref || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        weakRefDeref.call(x);
+        return true;
+    } catch (e) {}
+    return false;
+}
+
+function isSet(x) {
+    if (!setSize || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        setSize.call(x);
+        try {
+            mapSize.call(x);
+        } catch (m) {
+            return true;
+        }
+        return x instanceof Set; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isWeakSet(x) {
+    if (!weakSetHas || !x || typeof x !== 'object') {
+        return false;
+    }
+    try {
+        weakSetHas.call(x, weakSetHas);
+        try {
+            weakMapHas.call(x, weakMapHas);
+        } catch (s) {
+            return true;
+        }
+        return x instanceof WeakSet; // core-js workaround, pre-v2.5.0
+    } catch (e) {}
+    return false;
+}
+
+function isElement(x) {
+    if (!x || typeof x !== 'object') { return false; }
+    if (typeof HTMLElement !== 'undefined' && x instanceof HTMLElement) {
+        return true;
+    }
+    return typeof x.nodeName === 'string' && typeof x.getAttribute === 'function';
+}
+
+function inspectString(str, opts) {
+    if (str.length > opts.maxStringLength) {
+        var remaining = str.length - opts.maxStringLength;
+        var trailer = '... ' + remaining + ' more character' + (remaining > 1 ? 's' : '');
+        return inspectString($slice.call(str, 0, opts.maxStringLength), opts) + trailer;
+    }
+    // eslint-disable-next-line no-control-regex
+    var s = $replace.call($replace.call(str, /(['\\])/g, '\\$1'), /[\x00-\x1f]/g, lowbyte);
+    return wrapQuotes(s, 'single', opts);
+}
+
+function lowbyte(c) {
+    var n = c.charCodeAt(0);
+    var x = {
+        8: 'b',
+        9: 't',
+        10: 'n',
+        12: 'f',
+        13: 'r'
+    }[n];
+    if (x) { return '\\' + x; }
+    return '\\x' + (n < 0x10 ? '0' : '') + $toUpperCase.call(n.toString(16));
+}
+
+function markBoxed(str) {
+    return 'Object(' + str + ')';
+}
+
+function weakCollectionOf(type) {
+    return type + ' { ? }';
+}
+
+function collectionOf(type, size, entries, indent) {
+    var joinedEntries = indent ? indentedJoin(entries, indent) : $join.call(entries, ', ');
+    return type + ' (' + size + ') {' + joinedEntries + '}';
+}
+
+function singleLineValues(xs) {
+    for (var i = 0; i < xs.length; i++) {
+        if (indexOf(xs[i], '\n') >= 0) {
+            return false;
+        }
+    }
+    return true;
+}
+
+function getIndent(opts, depth) {
+    var baseIndent;
+    if (opts.indent === '\t') {
+        baseIndent = '\t';
+    } else if (typeof opts.indent === 'number' && opts.indent > 0) {
+        baseIndent = $join.call(Array(opts.indent + 1), ' ');
+    } else {
+        return null;
+    }
+    return {
+        base: baseIndent,
+        prev: $join.call(Array(depth + 1), baseIndent)
+    };
+}
+
+function indentedJoin(xs, indent) {
+    if (xs.length === 0) { return ''; }
+    var lineJoiner = '\n' + indent.prev + indent.base;
+    return lineJoiner + $join.call(xs, ',' + lineJoiner) + '\n' + indent.prev;
+}
+
+function arrObjKeys(obj, inspect) {
+    var isArr = isArray(obj);
+    var xs = [];
+    if (isArr) {
+        xs.length = obj.length;
+        for (var i = 0; i < obj.length; i++) {
+            xs[i] = has(obj, i) ? inspect(obj[i], obj) : '';
+        }
+    }
+    var syms = typeof gOPS === 'function' ? gOPS(obj) : [];
+    var symMap;
+    if (hasShammedSymbols) {
+        symMap = {};
+        for (var k = 0; k < syms.length; k++) {
+            symMap['$' + syms[k]] = syms[k];
+        }
+    }
+
+    for (var key in obj) { // eslint-disable-line no-restricted-syntax
+        if (!has(obj, key)) { continue; } // eslint-disable-line no-restricted-syntax, no-continue
+        if (isArr && String(Number(key)) === key && key < obj.length) { continue; } // eslint-disable-line no-restricted-syntax, no-continue
+        if (hasShammedSymbols && symMap['$' + key] instanceof Symbol) {
+            // this is to prevent shammed Symbols, which are stored as strings, from being included in the string key section
+            continue; // eslint-disable-line no-restricted-syntax, no-continue
+        } else if ($test.call(/[^\w$]/, key)) {
+            xs.push(inspect(key, obj) + ': ' + inspect(obj[key], obj));
+        } else {
+            xs.push(key + ': ' + inspect(obj[key], obj));
+        }
+    }
+    if (typeof gOPS === 'function') {
+        for (var j = 0; j < syms.length; j++) {
+            if (isEnumerable.call(obj, syms[j])) {
+                xs.push('[' + inspect(syms[j]) + ']: ' + inspect(obj[syms[j]], obj));
+            }
+        }
+    }
+    return xs;
+}
+
+},{"./util.inspect":6}],16:[function(require,module,exports){
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+var callBound = require('call-bind/callBound');
+var inspect = require('object-inspect');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+var $WeakMap = GetIntrinsic('%WeakMap%', true);
+var $Map = GetIntrinsic('%Map%', true);
+
+var $weakMapGet = callBound('WeakMap.prototype.get', true);
+var $weakMapSet = callBound('WeakMap.prototype.set', true);
+var $weakMapHas = callBound('WeakMap.prototype.has', true);
+var $mapGet = callBound('Map.prototype.get', true);
+var $mapSet = callBound('Map.prototype.set', true);
+var $mapHas = callBound('Map.prototype.has', true);
+
+/*
+ * This function traverses the list returning the node corresponding to the
+ * given key.
+ *
+ * That node is also moved to the head of the list, so that if it's accessed
+ * again we don't need to traverse the whole list. By doing so, all the recently
+ * used nodes can be accessed relatively quickly.
+ */
+var listGetNode = function (list, key) { // eslint-disable-line consistent-return
+	for (var prev = list, curr; (curr = prev.next) !== null; prev = curr) {
+		if (curr.key === key) {
+			prev.next = curr.next;
+			curr.next = list.next;
+			list.next = curr; // eslint-disable-line no-param-reassign
+			return curr;
+		}
+	}
+};
+
+var listGet = function (objects, key) {
+	var node = listGetNode(objects, key);
+	return node && node.value;
+};
+var listSet = function (objects, key, value) {
+	var node = listGetNode(objects, key);
+	if (node) {
+		node.value = value;
+	} else {
+		// Prepend the new node to the beginning of the list
+		objects.next = { // eslint-disable-line no-param-reassign
+			key: key,
+			next: objects.next,
+			value: value
+		};
+	}
+};
+var listHas = function (objects, key) {
+	return !!listGetNode(objects, key);
+};
+
+module.exports = function getSideChannel() {
+	var $wm;
+	var $m;
+	var $o;
+	var channel = {
+		assert: function (key) {
+			if (!channel.has(key)) {
+				throw new $TypeError('Side channel does not contain ' + inspect(key));
+			}
+		},
+		get: function (key) { // eslint-disable-line consistent-return
+			if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) {
+				if ($wm) {
+					return $weakMapGet($wm, key);
+				}
+			} else if ($Map) {
+				if ($m) {
+					return $mapGet($m, key);
+				}
+			} else {
+				if ($o) { // eslint-disable-line no-lonely-if
+					return listGet($o, key);
+				}
+			}
+		},
+		has: function (key) {
+			if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) {
+				if ($wm) {
+					return $weakMapHas($wm, key);
+				}
+			} else if ($Map) {
+				if ($m) {
+					return $mapHas($m, key);
+				}
+			} else {
+				if ($o) { // eslint-disable-line no-lonely-if
+					return listHas($o, key);
+				}
+			}
+			return false;
+		},
+		set: function (key, value) {
+			if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) {
+				if (!$wm) {
+					$wm = new $WeakMap();
+				}
+				$weakMapSet($wm, key, value);
+			} else if ($Map) {
+				if (!$m) {
+					$m = new $Map();
+				}
+				$mapSet($m, key, value);
+			} else {
+				if (!$o) {
+					/*
+					 * Initialize the linked list as an empty node, so that we don't have
+					 * to special-case handling of the first node: we can always refer to
+					 * it as (previous node).next, instead of something like (list).head
+					 */
+					$o = { key: {}, next: null };
+				}
+				listSet($o, key, value);
+			}
+		}
+	};
+	return channel;
+};
+
+},{"call-bind/callBound":7,"get-intrinsic":11,"object-inspect":15}]},{},[2])(2)
+});
diff --git a/node_modules/qs/lib/formats.js b/node_modules/qs/lib/formats.js
new file mode 100644
index 000000000..f36cf206b
--- /dev/null
+++ b/node_modules/qs/lib/formats.js
@@ -0,0 +1,23 @@
+'use strict';
+
+var replace = String.prototype.replace;
+var percentTwenties = /%20/g;
+
+var Format = {
+    RFC1738: 'RFC1738',
+    RFC3986: 'RFC3986'
+};
+
+module.exports = {
+    'default': Format.RFC3986,
+    formatters: {
+        RFC1738: function (value) {
+            return replace.call(value, percentTwenties, '+');
+        },
+        RFC3986: function (value) {
+            return String(value);
+        }
+    },
+    RFC1738: Format.RFC1738,
+    RFC3986: Format.RFC3986
+};
diff --git a/node_modules/qs/lib/index.js b/node_modules/qs/lib/index.js
new file mode 100644
index 000000000..0d6a97dcf
--- /dev/null
+++ b/node_modules/qs/lib/index.js
@@ -0,0 +1,11 @@
+'use strict';
+
+var stringify = require('./stringify');
+var parse = require('./parse');
+var formats = require('./formats');
+
+module.exports = {
+    formats: formats,
+    parse: parse,
+    stringify: stringify
+};
diff --git a/node_modules/qs/lib/parse.js b/node_modules/qs/lib/parse.js
new file mode 100644
index 000000000..a4ac4fa07
--- /dev/null
+++ b/node_modules/qs/lib/parse.js
@@ -0,0 +1,263 @@
+'use strict';
+
+var utils = require('./utils');
+
+var has = Object.prototype.hasOwnProperty;
+var isArray = Array.isArray;
+
+var defaults = {
+    allowDots: false,
+    allowPrototypes: false,
+    allowSparse: false,
+    arrayLimit: 20,
+    charset: 'utf-8',
+    charsetSentinel: false,
+    comma: false,
+    decoder: utils.decode,
+    delimiter: '&',
+    depth: 5,
+    ignoreQueryPrefix: false,
+    interpretNumericEntities: false,
+    parameterLimit: 1000,
+    parseArrays: true,
+    plainObjects: false,
+    strictNullHandling: false
+};
+
+var interpretNumericEntities = function (str) {
+    return str.replace(/&#(\d+);/g, function ($0, numberStr) {
+        return String.fromCharCode(parseInt(numberStr, 10));
+    });
+};
+
+var parseArrayValue = function (val, options) {
+    if (val && typeof val === 'string' && options.comma && val.indexOf(',') > -1) {
+        return val.split(',');
+    }
+
+    return val;
+};
+
+// This is what browsers will submit when the ✓ character occurs in an
+// application/x-www-form-urlencoded body and the encoding of the page containing
+// the form is iso-8859-1, or when the submitted form has an accept-charset
+// attribute of iso-8859-1. Presumably also with other charsets that do not contain
+// the ✓ character, such as us-ascii.
+var isoSentinel = 'utf8=%26%2310003%3B'; // encodeURIComponent('&#10003;')
+
+// These are the percent-encoded utf-8 octets representing a checkmark, indicating that the request actually is utf-8 encoded.
+var charsetSentinel = 'utf8=%E2%9C%93'; // encodeURIComponent('✓')
+
+var parseValues = function parseQueryStringValues(str, options) {
+    var obj = {};
+    var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str;
+    var limit = options.parameterLimit === Infinity ? undefined : options.parameterLimit;
+    var parts = cleanStr.split(options.delimiter, limit);
+    var skipIndex = -1; // Keep track of where the utf8 sentinel was found
+    var i;
+
+    var charset = options.charset;
+    if (options.charsetSentinel) {
+        for (i = 0; i < parts.length; ++i) {
+            if (parts[i].indexOf('utf8=') === 0) {
+                if (parts[i] === charsetSentinel) {
+                    charset = 'utf-8';
+                } else if (parts[i] === isoSentinel) {
+                    charset = 'iso-8859-1';
+                }
+                skipIndex = i;
+                i = parts.length; // The eslint settings do not allow break;
+            }
+        }
+    }
+
+    for (i = 0; i < parts.length; ++i) {
+        if (i === skipIndex) {
+            continue;
+        }
+        var part = parts[i];
+
+        var bracketEqualsPos = part.indexOf(']=');
+        var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1;
+
+        var key, val;
+        if (pos === -1) {
+            key = options.decoder(part, defaults.decoder, charset, 'key');
+            val = options.strictNullHandling ? null : '';
+        } else {
+            key = options.decoder(part.slice(0, pos), defaults.decoder, charset, 'key');
+            val = utils.maybeMap(
+                parseArrayValue(part.slice(pos + 1), options),
+                function (encodedVal) {
+                    return options.decoder(encodedVal, defaults.decoder, charset, 'value');
+                }
+            );
+        }
+
+        if (val && options.interpretNumericEntities && charset === 'iso-8859-1') {
+            val = interpretNumericEntities(val);
+        }
+
+        if (part.indexOf('[]=') > -1) {
+            val = isArray(val) ? [val] : val;
+        }
+
+        if (has.call(obj, key)) {
+            obj[key] = utils.combine(obj[key], val);
+        } else {
+            obj[key] = val;
+        }
+    }
+
+    return obj;
+};
+
+var parseObject = function (chain, val, options, valuesParsed) {
+    var leaf = valuesParsed ? val : parseArrayValue(val, options);
+
+    for (var i = chain.length - 1; i >= 0; --i) {
+        var obj;
+        var root = chain[i];
+
+        if (root === '[]' && options.parseArrays) {
+            obj = [].concat(leaf);
+        } else {
+            obj = options.plainObjects ? Object.create(null) : {};
+            var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;
+            var index = parseInt(cleanRoot, 10);
+            if (!options.parseArrays && cleanRoot === '') {
+                obj = { 0: leaf };
+            } else if (
+                !isNaN(index)
+                && root !== cleanRoot
+                && String(index) === cleanRoot
+                && index >= 0
+                && (options.parseArrays && index <= options.arrayLimit)
+            ) {
+                obj = [];
+                obj[index] = leaf;
+            } else if (cleanRoot !== '__proto__') {
+                obj[cleanRoot] = leaf;
+            }
+        }
+
+        leaf = obj;
+    }
+
+    return leaf;
+};
+
+var parseKeys = function parseQueryStringKeys(givenKey, val, options, valuesParsed) {
+    if (!givenKey) {
+        return;
+    }
+
+    // Transform dot notation to bracket notation
+    var key = options.allowDots ? givenKey.replace(/\.([^.[]+)/g, '[$1]') : givenKey;
+
+    // The regex chunks
+
+    var brackets = /(\[[^[\]]*])/;
+    var child = /(\[[^[\]]*])/g;
+
+    // Get the parent
+
+    var segment = options.depth > 0 && brackets.exec(key);
+    var parent = segment ? key.slice(0, segment.index) : key;
+
+    // Stash the parent if it exists
+
+    var keys = [];
+    if (parent) {
+        // If we aren't using plain objects, optionally prefix keys that would overwrite object prototype properties
+        if (!options.plainObjects && has.call(Object.prototype, parent)) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+
+        keys.push(parent);
+    }
+
+    // Loop through children appending to the array until we hit depth
+
+    var i = 0;
+    while (options.depth > 0 && (segment = child.exec(key)) !== null && i < options.depth) {
+        i += 1;
+        if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+        keys.push(segment[1]);
+    }
+
+    // If there's a remainder, just add whatever is left
+
+    if (segment) {
+        keys.push('[' + key.slice(segment.index) + ']');
+    }
+
+    return parseObject(keys, val, options, valuesParsed);
+};
+
+var normalizeParseOptions = function normalizeParseOptions(opts) {
+    if (!opts) {
+        return defaults;
+    }
+
+    if (opts.decoder !== null && opts.decoder !== undefined && typeof opts.decoder !== 'function') {
+        throw new TypeError('Decoder has to be a function.');
+    }
+
+    if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
+        throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
+    }
+    var charset = typeof opts.charset === 'undefined' ? defaults.charset : opts.charset;
+
+    return {
+        allowDots: typeof opts.allowDots === 'undefined' ? defaults.allowDots : !!opts.allowDots,
+        allowPrototypes: typeof opts.allowPrototypes === 'boolean' ? opts.allowPrototypes : defaults.allowPrototypes,
+        allowSparse: typeof opts.allowSparse === 'boolean' ? opts.allowSparse : defaults.allowSparse,
+        arrayLimit: typeof opts.arrayLimit === 'number' ? opts.arrayLimit : defaults.arrayLimit,
+        charset: charset,
+        charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
+        comma: typeof opts.comma === 'boolean' ? opts.comma : defaults.comma,
+        decoder: typeof opts.decoder === 'function' ? opts.decoder : defaults.decoder,
+        delimiter: typeof opts.delimiter === 'string' || utils.isRegExp(opts.delimiter) ? opts.delimiter : defaults.delimiter,
+        // eslint-disable-next-line no-implicit-coercion, no-extra-parens
+        depth: (typeof opts.depth === 'number' || opts.depth === false) ? +opts.depth : defaults.depth,
+        ignoreQueryPrefix: opts.ignoreQueryPrefix === true,
+        interpretNumericEntities: typeof opts.interpretNumericEntities === 'boolean' ? opts.interpretNumericEntities : defaults.interpretNumericEntities,
+        parameterLimit: typeof opts.parameterLimit === 'number' ? opts.parameterLimit : defaults.parameterLimit,
+        parseArrays: opts.parseArrays !== false,
+        plainObjects: typeof opts.plainObjects === 'boolean' ? opts.plainObjects : defaults.plainObjects,
+        strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
+    };
+};
+
+module.exports = function (str, opts) {
+    var options = normalizeParseOptions(opts);
+
+    if (str === '' || str === null || typeof str === 'undefined') {
+        return options.plainObjects ? Object.create(null) : {};
+    }
+
+    var tempObj = typeof str === 'string' ? parseValues(str, options) : str;
+    var obj = options.plainObjects ? Object.create(null) : {};
+
+    // Iterate over the keys and setup the new object
+
+    var keys = Object.keys(tempObj);
+    for (var i = 0; i < keys.length; ++i) {
+        var key = keys[i];
+        var newObj = parseKeys(key, tempObj[key], options, typeof str === 'string');
+        obj = utils.merge(obj, newObj, options);
+    }
+
+    if (options.allowSparse === true) {
+        return obj;
+    }
+
+    return utils.compact(obj);
+};
diff --git a/node_modules/qs/lib/stringify.js b/node_modules/qs/lib/stringify.js
new file mode 100644
index 000000000..47ea4b15d
--- /dev/null
+++ b/node_modules/qs/lib/stringify.js
@@ -0,0 +1,317 @@
+'use strict';
+
+var getSideChannel = require('side-channel');
+var utils = require('./utils');
+var formats = require('./formats');
+var has = Object.prototype.hasOwnProperty;
+
+var arrayPrefixGenerators = {
+    brackets: function brackets(prefix) {
+        return prefix + '[]';
+    },
+    comma: 'comma',
+    indices: function indices(prefix, key) {
+        return prefix + '[' + key + ']';
+    },
+    repeat: function repeat(prefix) {
+        return prefix;
+    }
+};
+
+var isArray = Array.isArray;
+var split = String.prototype.split;
+var push = Array.prototype.push;
+var pushToArray = function (arr, valueOrArray) {
+    push.apply(arr, isArray(valueOrArray) ? valueOrArray : [valueOrArray]);
+};
+
+var toISO = Date.prototype.toISOString;
+
+var defaultFormat = formats['default'];
+var defaults = {
+    addQueryPrefix: false,
+    allowDots: false,
+    charset: 'utf-8',
+    charsetSentinel: false,
+    delimiter: '&',
+    encode: true,
+    encoder: utils.encode,
+    encodeValuesOnly: false,
+    format: defaultFormat,
+    formatter: formats.formatters[defaultFormat],
+    // deprecated
+    indices: false,
+    serializeDate: function serializeDate(date) {
+        return toISO.call(date);
+    },
+    skipNulls: false,
+    strictNullHandling: false
+};
+
+var isNonNullishPrimitive = function isNonNullishPrimitive(v) {
+    return typeof v === 'string'
+        || typeof v === 'number'
+        || typeof v === 'boolean'
+        || typeof v === 'symbol'
+        || typeof v === 'bigint';
+};
+
+var sentinel = {};
+
+var stringify = function stringify(
+    object,
+    prefix,
+    generateArrayPrefix,
+    strictNullHandling,
+    skipNulls,
+    encoder,
+    filter,
+    sort,
+    allowDots,
+    serializeDate,
+    format,
+    formatter,
+    encodeValuesOnly,
+    charset,
+    sideChannel
+) {
+    var obj = object;
+
+    var tmpSc = sideChannel;
+    var step = 0;
+    var findFlag = false;
+    while ((tmpSc = tmpSc.get(sentinel)) !== void undefined && !findFlag) {
+        // Where object last appeared in the ref tree
+        var pos = tmpSc.get(object);
+        step += 1;
+        if (typeof pos !== 'undefined') {
+            if (pos === step) {
+                throw new RangeError('Cyclic object value');
+            } else {
+                findFlag = true; // Break while
+            }
+        }
+        if (typeof tmpSc.get(sentinel) === 'undefined') {
+            step = 0;
+        }
+    }
+
+    if (typeof filter === 'function') {
+        obj = filter(prefix, obj);
+    } else if (obj instanceof Date) {
+        obj = serializeDate(obj);
+    } else if (generateArrayPrefix === 'comma' && isArray(obj)) {
+        obj = utils.maybeMap(obj, function (value) {
+            if (value instanceof Date) {
+                return serializeDate(value);
+            }
+            return value;
+        });
+    }
+
+    if (obj === null) {
+        if (strictNullHandling) {
+            return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder, charset, 'key', format) : prefix;
+        }
+
+        obj = '';
+    }
+
+    if (isNonNullishPrimitive(obj) || utils.isBuffer(obj)) {
+        if (encoder) {
+            var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder, charset, 'key', format);
+            if (generateArrayPrefix === 'comma' && encodeValuesOnly) {
+                var valuesArray = split.call(String(obj), ',');
+                var valuesJoined = '';
+                for (var i = 0; i < valuesArray.length; ++i) {
+                    valuesJoined += (i === 0 ? '' : ',') + formatter(encoder(valuesArray[i], defaults.encoder, charset, 'value', format));
+                }
+                return [formatter(keyValue) + '=' + valuesJoined];
+            }
+            return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder, charset, 'value', format))];
+        }
+        return [formatter(prefix) + '=' + formatter(String(obj))];
+    }
+
+    var values = [];
+
+    if (typeof obj === 'undefined') {
+        return values;
+    }
+
+    var objKeys;
+    if (generateArrayPrefix === 'comma' && isArray(obj)) {
+        // we need to join elements in
+        objKeys = [{ value: obj.length > 0 ? obj.join(',') || null : void undefined }];
+    } else if (isArray(filter)) {
+        objKeys = filter;
+    } else {
+        var keys = Object.keys(obj);
+        objKeys = sort ? keys.sort(sort) : keys;
+    }
+
+    for (var j = 0; j < objKeys.length; ++j) {
+        var key = objKeys[j];
+        var value = typeof key === 'object' && typeof key.value !== 'undefined' ? key.value : obj[key];
+
+        if (skipNulls && value === null) {
+            continue;
+        }
+
+        var keyPrefix = isArray(obj)
+            ? typeof generateArrayPrefix === 'function' ? generateArrayPrefix(prefix, key) : prefix
+            : prefix + (allowDots ? '.' + key : '[' + key + ']');
+
+        sideChannel.set(object, step);
+        var valueSideChannel = getSideChannel();
+        valueSideChannel.set(sentinel, sideChannel);
+        pushToArray(values, stringify(
+            value,
+            keyPrefix,
+            generateArrayPrefix,
+            strictNullHandling,
+            skipNulls,
+            encoder,
+            filter,
+            sort,
+            allowDots,
+            serializeDate,
+            format,
+            formatter,
+            encodeValuesOnly,
+            charset,
+            valueSideChannel
+        ));
+    }
+
+    return values;
+};
+
+var normalizeStringifyOptions = function normalizeStringifyOptions(opts) {
+    if (!opts) {
+        return defaults;
+    }
+
+    if (opts.encoder !== null && typeof opts.encoder !== 'undefined' && typeof opts.encoder !== 'function') {
+        throw new TypeError('Encoder has to be a function.');
+    }
+
+    var charset = opts.charset || defaults.charset;
+    if (typeof opts.charset !== 'undefined' && opts.charset !== 'utf-8' && opts.charset !== 'iso-8859-1') {
+        throw new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined');
+    }
+
+    var format = formats['default'];
+    if (typeof opts.format !== 'undefined') {
+        if (!has.call(formats.formatters, opts.format)) {
+            throw new TypeError('Unknown format option provided.');
+        }
+        format = opts.format;
+    }
+    var formatter = formats.formatters[format];
+
+    var filter = defaults.filter;
+    if (typeof opts.filter === 'function' || isArray(opts.filter)) {
+        filter = opts.filter;
+    }
+
+    return {
+        addQueryPrefix: typeof opts.addQueryPrefix === 'boolean' ? opts.addQueryPrefix : defaults.addQueryPrefix,
+        allowDots: typeof opts.allowDots === 'undefined' ? defaults.allowDots : !!opts.allowDots,
+        charset: charset,
+        charsetSentinel: typeof opts.charsetSentinel === 'boolean' ? opts.charsetSentinel : defaults.charsetSentinel,
+        delimiter: typeof opts.delimiter === 'undefined' ? defaults.delimiter : opts.delimiter,
+        encode: typeof opts.encode === 'boolean' ? opts.encode : defaults.encode,
+        encoder: typeof opts.encoder === 'function' ? opts.encoder : defaults.encoder,
+        encodeValuesOnly: typeof opts.encodeValuesOnly === 'boolean' ? opts.encodeValuesOnly : defaults.encodeValuesOnly,
+        filter: filter,
+        format: format,
+        formatter: formatter,
+        serializeDate: typeof opts.serializeDate === 'function' ? opts.serializeDate : defaults.serializeDate,
+        skipNulls: typeof opts.skipNulls === 'boolean' ? opts.skipNulls : defaults.skipNulls,
+        sort: typeof opts.sort === 'function' ? opts.sort : null,
+        strictNullHandling: typeof opts.strictNullHandling === 'boolean' ? opts.strictNullHandling : defaults.strictNullHandling
+    };
+};
+
+module.exports = function (object, opts) {
+    var obj = object;
+    var options = normalizeStringifyOptions(opts);
+
+    var objKeys;
+    var filter;
+
+    if (typeof options.filter === 'function') {
+        filter = options.filter;
+        obj = filter('', obj);
+    } else if (isArray(options.filter)) {
+        filter = options.filter;
+        objKeys = filter;
+    }
+
+    var keys = [];
+
+    if (typeof obj !== 'object' || obj === null) {
+        return '';
+    }
+
+    var arrayFormat;
+    if (opts && opts.arrayFormat in arrayPrefixGenerators) {
+        arrayFormat = opts.arrayFormat;
+    } else if (opts && 'indices' in opts) {
+        arrayFormat = opts.indices ? 'indices' : 'repeat';
+    } else {
+        arrayFormat = 'indices';
+    }
+
+    var generateArrayPrefix = arrayPrefixGenerators[arrayFormat];
+
+    if (!objKeys) {
+        objKeys = Object.keys(obj);
+    }
+
+    if (options.sort) {
+        objKeys.sort(options.sort);
+    }
+
+    var sideChannel = getSideChannel();
+    for (var i = 0; i < objKeys.length; ++i) {
+        var key = objKeys[i];
+
+        if (options.skipNulls && obj[key] === null) {
+            continue;
+        }
+        pushToArray(keys, stringify(
+            obj[key],
+            key,
+            generateArrayPrefix,
+            options.strictNullHandling,
+            options.skipNulls,
+            options.encode ? options.encoder : null,
+            options.filter,
+            options.sort,
+            options.allowDots,
+            options.serializeDate,
+            options.format,
+            options.formatter,
+            options.encodeValuesOnly,
+            options.charset,
+            sideChannel
+        ));
+    }
+
+    var joined = keys.join(options.delimiter);
+    var prefix = options.addQueryPrefix === true ? '?' : '';
+
+    if (options.charsetSentinel) {
+        if (options.charset === 'iso-8859-1') {
+            // encodeURIComponent('&#10003;'), the "numeric entity" representation of a checkmark
+            prefix += 'utf8=%26%2310003%3B&';
+        } else {
+            // encodeURIComponent('✓')
+            prefix += 'utf8=%E2%9C%93&';
+        }
+    }
+
+    return joined.length > 0 ? prefix + joined : '';
+};
diff --git a/node_modules/qs/lib/utils.js b/node_modules/qs/lib/utils.js
new file mode 100644
index 000000000..1e5453811
--- /dev/null
+++ b/node_modules/qs/lib/utils.js
@@ -0,0 +1,252 @@
+'use strict';
+
+var formats = require('./formats');
+
+var has = Object.prototype.hasOwnProperty;
+var isArray = Array.isArray;
+
+var hexTable = (function () {
+    var array = [];
+    for (var i = 0; i < 256; ++i) {
+        array.push('%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase());
+    }
+
+    return array;
+}());
+
+var compactQueue = function compactQueue(queue) {
+    while (queue.length > 1) {
+        var item = queue.pop();
+        var obj = item.obj[item.prop];
+
+        if (isArray(obj)) {
+            var compacted = [];
+
+            for (var j = 0; j < obj.length; ++j) {
+                if (typeof obj[j] !== 'undefined') {
+                    compacted.push(obj[j]);
+                }
+            }
+
+            item.obj[item.prop] = compacted;
+        }
+    }
+};
+
+var arrayToObject = function arrayToObject(source, options) {
+    var obj = options && options.plainObjects ? Object.create(null) : {};
+    for (var i = 0; i < source.length; ++i) {
+        if (typeof source[i] !== 'undefined') {
+            obj[i] = source[i];
+        }
+    }
+
+    return obj;
+};
+
+var merge = function merge(target, source, options) {
+    /* eslint no-param-reassign: 0 */
+    if (!source) {
+        return target;
+    }
+
+    if (typeof source !== 'object') {
+        if (isArray(target)) {
+            target.push(source);
+        } else if (target && typeof target === 'object') {
+            if ((options && (options.plainObjects || options.allowPrototypes)) || !has.call(Object.prototype, source)) {
+                target[source] = true;
+            }
+        } else {
+            return [target, source];
+        }
+
+        return target;
+    }
+
+    if (!target || typeof target !== 'object') {
+        return [target].concat(source);
+    }
+
+    var mergeTarget = target;
+    if (isArray(target) && !isArray(source)) {
+        mergeTarget = arrayToObject(target, options);
+    }
+
+    if (isArray(target) && isArray(source)) {
+        source.forEach(function (item, i) {
+            if (has.call(target, i)) {
+                var targetItem = target[i];
+                if (targetItem && typeof targetItem === 'object' && item && typeof item === 'object') {
+                    target[i] = merge(targetItem, item, options);
+                } else {
+                    target.push(item);
+                }
+            } else {
+                target[i] = item;
+            }
+        });
+        return target;
+    }
+
+    return Object.keys(source).reduce(function (acc, key) {
+        var value = source[key];
+
+        if (has.call(acc, key)) {
+            acc[key] = merge(acc[key], value, options);
+        } else {
+            acc[key] = value;
+        }
+        return acc;
+    }, mergeTarget);
+};
+
+var assign = function assignSingleSource(target, source) {
+    return Object.keys(source).reduce(function (acc, key) {
+        acc[key] = source[key];
+        return acc;
+    }, target);
+};
+
+var decode = function (str, decoder, charset) {
+    var strWithoutPlus = str.replace(/\+/g, ' ');
+    if (charset === 'iso-8859-1') {
+        // unescape never throws, no try...catch needed:
+        return strWithoutPlus.replace(/%[0-9a-f]{2}/gi, unescape);
+    }
+    // utf-8
+    try {
+        return decodeURIComponent(strWithoutPlus);
+    } catch (e) {
+        return strWithoutPlus;
+    }
+};
+
+var encode = function encode(str, defaultEncoder, charset, kind, format) {
+    // This code was originally written by Brian White (mscdex) for the io.js core querystring library.
+    // It has been adapted here for stricter adherence to RFC 3986
+    if (str.length === 0) {
+        return str;
+    }
+
+    var string = str;
+    if (typeof str === 'symbol') {
+        string = Symbol.prototype.toString.call(str);
+    } else if (typeof str !== 'string') {
+        string = String(str);
+    }
+
+    if (charset === 'iso-8859-1') {
+        return escape(string).replace(/%u[0-9a-f]{4}/gi, function ($0) {
+            return '%26%23' + parseInt($0.slice(2), 16) + '%3B';
+        });
+    }
+
+    var out = '';
+    for (var i = 0; i < string.length; ++i) {
+        var c = string.charCodeAt(i);
+
+        if (
+            c === 0x2D // -
+            || c === 0x2E // .
+            || c === 0x5F // _
+            || c === 0x7E // ~
+            || (c >= 0x30 && c <= 0x39) // 0-9
+            || (c >= 0x41 && c <= 0x5A) // a-z
+            || (c >= 0x61 && c <= 0x7A) // A-Z
+            || (format === formats.RFC1738 && (c === 0x28 || c === 0x29)) // ( )
+        ) {
+            out += string.charAt(i);
+            continue;
+        }
+
+        if (c < 0x80) {
+            out = out + hexTable[c];
+            continue;
+        }
+
+        if (c < 0x800) {
+            out = out + (hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)]);
+            continue;
+        }
+
+        if (c < 0xD800 || c >= 0xE000) {
+            out = out + (hexTable[0xE0 | (c >> 12)] + hexTable[0x80 | ((c >> 6) & 0x3F)] + hexTable[0x80 | (c & 0x3F)]);
+            continue;
+        }
+
+        i += 1;
+        c = 0x10000 + (((c & 0x3FF) << 10) | (string.charCodeAt(i) & 0x3FF));
+        /* eslint operator-linebreak: [2, "before"] */
+        out += hexTable[0xF0 | (c >> 18)]
+            + hexTable[0x80 | ((c >> 12) & 0x3F)]
+            + hexTable[0x80 | ((c >> 6) & 0x3F)]
+            + hexTable[0x80 | (c & 0x3F)];
+    }
+
+    return out;
+};
+
+var compact = function compact(value) {
+    var queue = [{ obj: { o: value }, prop: 'o' }];
+    var refs = [];
+
+    for (var i = 0; i < queue.length; ++i) {
+        var item = queue[i];
+        var obj = item.obj[item.prop];
+
+        var keys = Object.keys(obj);
+        for (var j = 0; j < keys.length; ++j) {
+            var key = keys[j];
+            var val = obj[key];
+            if (typeof val === 'object' && val !== null && refs.indexOf(val) === -1) {
+                queue.push({ obj: obj, prop: key });
+                refs.push(val);
+            }
+        }
+    }
+
+    compactQueue(queue);
+
+    return value;
+};
+
+var isRegExp = function isRegExp(obj) {
+    return Object.prototype.toString.call(obj) === '[object RegExp]';
+};
+
+var isBuffer = function isBuffer(obj) {
+    if (!obj || typeof obj !== 'object') {
+        return false;
+    }
+
+    return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj));
+};
+
+var combine = function combine(a, b) {
+    return [].concat(a, b);
+};
+
+var maybeMap = function maybeMap(val, fn) {
+    if (isArray(val)) {
+        var mapped = [];
+        for (var i = 0; i < val.length; i += 1) {
+            mapped.push(fn(val[i]));
+        }
+        return mapped;
+    }
+    return fn(val);
+};
+
+module.exports = {
+    arrayToObject: arrayToObject,
+    assign: assign,
+    combine: combine,
+    compact: compact,
+    decode: decode,
+    encode: encode,
+    isBuffer: isBuffer,
+    isRegExp: isRegExp,
+    maybeMap: maybeMap,
+    merge: merge
+};
diff --git a/node_modules/qs/package.json b/node_modules/qs/package.json
new file mode 100644
index 000000000..845e20a2c
--- /dev/null
+++ b/node_modules/qs/package.json
@@ -0,0 +1,73 @@
+{
+    "name": "qs",
+    "description": "A querystring parser that supports nesting and arrays, with a depth limit",
+    "homepage": "https://github.com/ljharb/qs",
+    "version": "6.10.3",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/ljharb/qs.git"
+    },
+    "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+    },
+    "main": "lib/index.js",
+    "contributors": [
+        {
+            "name": "Jordan Harband",
+            "email": "ljharb@gmail.com",
+            "url": "http://ljharb.codes"
+        }
+    ],
+    "keywords": [
+        "querystring",
+        "qs",
+        "query",
+        "url",
+        "parse",
+        "stringify"
+    ],
+    "engines": {
+        "node": ">=0.6"
+    },
+    "dependencies": {
+        "side-channel": "^1.0.4"
+    },
+    "devDependencies": {
+        "@ljharb/eslint-config": "^20.1.0",
+        "aud": "^1.1.5",
+        "browserify": "^16.5.2",
+        "eclint": "^2.8.1",
+        "eslint": "^8.6.0",
+        "evalmd": "^0.0.19",
+        "for-each": "^0.3.3",
+        "has-symbols": "^1.0.2",
+        "iconv-lite": "^0.5.1",
+        "in-publish": "^2.0.1",
+        "mkdirp": "^0.5.5",
+        "nyc": "^10.3.2",
+        "object-inspect": "^1.12.0",
+        "qs-iconv": "^1.0.4",
+        "safe-publish-latest": "^2.0.0",
+        "safer-buffer": "^2.1.2",
+        "tape": "^5.4.0"
+    },
+    "scripts": {
+        "prepublishOnly": "safe-publish-latest && npm run dist",
+        "prepublish": "not-in-publish || npm run prepublishOnly",
+        "pretest": "npm run --silent readme && npm run --silent lint",
+        "test": "npm run tests-only",
+        "tests-only": "nyc tape 'test/**/*.js'",
+        "posttest": "aud --production",
+        "readme": "evalmd README.md",
+        "postlint": "eclint check * lib/* test/* !dist/*",
+        "lint": "eslint .",
+        "dist": "mkdirp dist && browserify --standalone Qs lib/index.js > dist/qs.js"
+    },
+    "license": "BSD-3-Clause",
+    "greenkeeper": {
+        "ignore": [
+            "iconv-lite",
+            "mkdirp"
+        ]
+    }
+}
diff --git a/node_modules/qs/test/parse.js b/node_modules/qs/test/parse.js
new file mode 100644
index 000000000..7d61023e9
--- /dev/null
+++ b/node_modules/qs/test/parse.js
@@ -0,0 +1,841 @@
+'use strict';
+
+var test = require('tape');
+var qs = require('../');
+var utils = require('../lib/utils');
+var iconv = require('iconv-lite');
+var SaferBuffer = require('safer-buffer').Buffer;
+
+test('parse()', function (t) {
+    t.test('parses a simple string', function (st) {
+        st.deepEqual(qs.parse('0=foo'), { 0: 'foo' });
+        st.deepEqual(qs.parse('foo=c++'), { foo: 'c  ' });
+        st.deepEqual(qs.parse('a[>=]=23'), { a: { '>=': '23' } });
+        st.deepEqual(qs.parse('a[<=>]==23'), { a: { '<=>': '=23' } });
+        st.deepEqual(qs.parse('a[==]=23'), { a: { '==': '23' } });
+        st.deepEqual(qs.parse('foo', { strictNullHandling: true }), { foo: null });
+        st.deepEqual(qs.parse('foo'), { foo: '' });
+        st.deepEqual(qs.parse('foo='), { foo: '' });
+        st.deepEqual(qs.parse('foo=bar'), { foo: 'bar' });
+        st.deepEqual(qs.parse(' foo = bar = baz '), { ' foo ': ' bar = baz ' });
+        st.deepEqual(qs.parse('foo=bar=baz'), { foo: 'bar=baz' });
+        st.deepEqual(qs.parse('foo=bar&bar=baz'), { foo: 'bar', bar: 'baz' });
+        st.deepEqual(qs.parse('foo2=bar2&baz2='), { foo2: 'bar2', baz2: '' });
+        st.deepEqual(qs.parse('foo=bar&baz', { strictNullHandling: true }), { foo: 'bar', baz: null });
+        st.deepEqual(qs.parse('foo=bar&baz'), { foo: 'bar', baz: '' });
+        st.deepEqual(qs.parse('cht=p3&chd=t:60,40&chs=250x100&chl=Hello|World'), {
+            cht: 'p3',
+            chd: 't:60,40',
+            chs: '250x100',
+            chl: 'Hello|World'
+        });
+        st.end();
+    });
+
+    t.test('arrayFormat: brackets allows only explicit arrays', function (st) {
+        st.deepEqual(qs.parse('a[]=b&a[]=c', { arrayFormat: 'brackets' }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayFormat: 'brackets' }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b,c', { arrayFormat: 'brackets' }), { a: 'b,c' });
+        st.deepEqual(qs.parse('a=b&a=c', { arrayFormat: 'brackets' }), { a: ['b', 'c'] });
+        st.end();
+    });
+
+    t.test('arrayFormat: indices allows only indexed arrays', function (st) {
+        st.deepEqual(qs.parse('a[]=b&a[]=c', { arrayFormat: 'indices' }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayFormat: 'indices' }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b,c', { arrayFormat: 'indices' }), { a: 'b,c' });
+        st.deepEqual(qs.parse('a=b&a=c', { arrayFormat: 'indices' }), { a: ['b', 'c'] });
+        st.end();
+    });
+
+    t.test('arrayFormat: comma allows only comma-separated arrays', function (st) {
+        st.deepEqual(qs.parse('a[]=b&a[]=c', { arrayFormat: 'comma' }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayFormat: 'comma' }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b,c', { arrayFormat: 'comma' }), { a: 'b,c' });
+        st.deepEqual(qs.parse('a=b&a=c', { arrayFormat: 'comma' }), { a: ['b', 'c'] });
+        st.end();
+    });
+
+    t.test('arrayFormat: repeat allows only repeated values', function (st) {
+        st.deepEqual(qs.parse('a[]=b&a[]=c', { arrayFormat: 'repeat' }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayFormat: 'repeat' }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b,c', { arrayFormat: 'repeat' }), { a: 'b,c' });
+        st.deepEqual(qs.parse('a=b&a=c', { arrayFormat: 'repeat' }), { a: ['b', 'c'] });
+        st.end();
+    });
+
+    t.test('allows enabling dot notation', function (st) {
+        st.deepEqual(qs.parse('a.b=c'), { 'a.b': 'c' });
+        st.deepEqual(qs.parse('a.b=c', { allowDots: true }), { a: { b: 'c' } });
+        st.end();
+    });
+
+    t.deepEqual(qs.parse('a[b]=c'), { a: { b: 'c' } }, 'parses a single nested string');
+    t.deepEqual(qs.parse('a[b][c]=d'), { a: { b: { c: 'd' } } }, 'parses a double nested string');
+    t.deepEqual(
+        qs.parse('a[b][c][d][e][f][g][h]=i'),
+        { a: { b: { c: { d: { e: { f: { '[g][h]': 'i' } } } } } } },
+        'defaults to a depth of 5'
+    );
+
+    t.test('only parses one level when depth = 1', function (st) {
+        st.deepEqual(qs.parse('a[b][c]=d', { depth: 1 }), { a: { b: { '[c]': 'd' } } });
+        st.deepEqual(qs.parse('a[b][c][d]=e', { depth: 1 }), { a: { b: { '[c][d]': 'e' } } });
+        st.end();
+    });
+
+    t.test('uses original key when depth = 0', function (st) {
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { depth: 0 }), { 'a[0]': 'b', 'a[1]': 'c' });
+        st.deepEqual(qs.parse('a[0][0]=b&a[0][1]=c&a[1]=d&e=2', { depth: 0 }), { 'a[0][0]': 'b', 'a[0][1]': 'c', 'a[1]': 'd', e: '2' });
+        st.end();
+    });
+
+    t.test('uses original key when depth = false', function (st) {
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { depth: false }), { 'a[0]': 'b', 'a[1]': 'c' });
+        st.deepEqual(qs.parse('a[0][0]=b&a[0][1]=c&a[1]=d&e=2', { depth: false }), { 'a[0][0]': 'b', 'a[0][1]': 'c', 'a[1]': 'd', e: '2' });
+        st.end();
+    });
+
+    t.deepEqual(qs.parse('a=b&a=c'), { a: ['b', 'c'] }, 'parses a simple array');
+
+    t.test('parses an explicit array', function (st) {
+        st.deepEqual(qs.parse('a[]=b'), { a: ['b'] });
+        st.deepEqual(qs.parse('a[]=b&a[]=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a[]=c&a[]=d'), { a: ['b', 'c', 'd'] });
+        st.end();
+    });
+
+    t.test('parses a mix of simple and explicit arrays', function (st) {
+        st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[0]=b&a=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a[0]=c'), { a: ['b', 'c'] });
+
+        st.deepEqual(qs.parse('a[1]=b&a=c', { arrayLimit: 20 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a=c', { arrayLimit: 0 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] });
+
+        st.deepEqual(qs.parse('a=b&a[1]=c', { arrayLimit: 20 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a[]=c', { arrayLimit: 0 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] });
+
+        st.end();
+    });
+
+    t.test('parses a nested array', function (st) {
+        st.deepEqual(qs.parse('a[b][]=c&a[b][]=d'), { a: { b: ['c', 'd'] } });
+        st.deepEqual(qs.parse('a[>=]=25'), { a: { '>=': '25' } });
+        st.end();
+    });
+
+    t.test('allows to specify array indices', function (st) {
+        st.deepEqual(qs.parse('a[1]=c&a[0]=b&a[2]=d'), { a: ['b', 'c', 'd'] });
+        st.deepEqual(qs.parse('a[1]=c&a[0]=b'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 20 }), { a: ['c'] });
+        st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 0 }), { a: { 1: 'c' } });
+        st.deepEqual(qs.parse('a[1]=c'), { a: ['c'] });
+        st.end();
+    });
+
+    t.test('limits specific array indices to arrayLimit', function (st) {
+        st.deepEqual(qs.parse('a[20]=a', { arrayLimit: 20 }), { a: ['a'] });
+        st.deepEqual(qs.parse('a[21]=a', { arrayLimit: 20 }), { a: { 21: 'a' } });
+        st.end();
+    });
+
+    t.deepEqual(qs.parse('a[12b]=c'), { a: { '12b': 'c' } }, 'supports keys that begin with a number');
+
+    t.test('supports encoded = signs', function (st) {
+        st.deepEqual(qs.parse('he%3Dllo=th%3Dere'), { 'he=llo': 'th=ere' });
+        st.end();
+    });
+
+    t.test('is ok with url encoded strings', function (st) {
+        st.deepEqual(qs.parse('a[b%20c]=d'), { a: { 'b c': 'd' } });
+        st.deepEqual(qs.parse('a[b]=c%20d'), { a: { b: 'c d' } });
+        st.end();
+    });
+
+    t.test('allows brackets in the value', function (st) {
+        st.deepEqual(qs.parse('pets=["tobi"]'), { pets: '["tobi"]' });
+        st.deepEqual(qs.parse('operators=[">=", "<="]'), { operators: '[">=", "<="]' });
+        st.end();
+    });
+
+    t.test('allows empty values', function (st) {
+        st.deepEqual(qs.parse(''), {});
+        st.deepEqual(qs.parse(null), {});
+        st.deepEqual(qs.parse(undefined), {});
+        st.end();
+    });
+
+    t.test('transforms arrays to objects', function (st) {
+        st.deepEqual(qs.parse('foo[0]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[bad]=baz&foo[0]=bar'), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar'), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo[]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar&foo[]=foo'), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } });
+        st.deepEqual(qs.parse('foo[0][a]=a&foo[0][b]=b&foo[1][a]=aa&foo[1][b]=bb'), { foo: [{ a: 'a', b: 'b' }, { a: 'aa', b: 'bb' }] });
+
+        st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: false }), { a: { 0: 'b', t: 'u' } });
+        st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: true }), { a: { 0: 'b', t: 'u', hasOwnProperty: 'c' } });
+        st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: false }), { a: { 0: 'b', x: 'y' } });
+        st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: true }), { a: { 0: 'b', hasOwnProperty: 'c', x: 'y' } });
+        st.end();
+    });
+
+    t.test('transforms arrays to objects (dot notation)', function (st) {
+        st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad.boo=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: { boo: 'baz' } } });
+        st.deepEqual(qs.parse('foo[0][0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [[{ baz: 'bar' }]], fool: { bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[0].baz[0]=15&foo[0].bar=2', { allowDots: true }), { foo: [{ baz: ['15'], bar: '2' }] });
+        st.deepEqual(qs.parse('foo[0].baz[0]=15&foo[0].baz[1]=16&foo[0].bar=2', { allowDots: true }), { foo: [{ baz: ['15', '16'], bar: '2' }] });
+        st.deepEqual(qs.parse('foo.bad=baz&foo[0]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo[]=bar&foo.bad=baz', { allowDots: true }), { foo: { 0: 'bar', bad: 'baz' } });
+        st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar&foo[]=foo', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } });
+        st.deepEqual(qs.parse('foo[0].a=a&foo[0].b=b&foo[1].a=aa&foo[1].b=bb', { allowDots: true }), { foo: [{ a: 'a', b: 'b' }, { a: 'aa', b: 'bb' }] });
+        st.end();
+    });
+
+    t.test('correctly prunes undefined values when converting an array to an object', function (st) {
+        st.deepEqual(qs.parse('a[2]=b&a[99999999]=c'), { a: { 2: 'b', 99999999: 'c' } });
+        st.end();
+    });
+
+    t.test('supports malformed uri characters', function (st) {
+        st.deepEqual(qs.parse('{%:%}', { strictNullHandling: true }), { '{%:%}': null });
+        st.deepEqual(qs.parse('{%:%}='), { '{%:%}': '' });
+        st.deepEqual(qs.parse('foo=%:%}'), { foo: '%:%}' });
+        st.end();
+    });
+
+    t.test('doesn\'t produce empty keys', function (st) {
+        st.deepEqual(qs.parse('_r=1&'), { _r: '1' });
+        st.end();
+    });
+
+    t.test('cannot access Object prototype', function (st) {
+        qs.parse('constructor[prototype][bad]=bad');
+        qs.parse('bad[constructor][prototype][bad]=bad');
+        st.equal(typeof Object.prototype.bad, 'undefined');
+        st.end();
+    });
+
+    t.test('parses arrays of objects', function (st) {
+        st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] });
+        st.deepEqual(qs.parse('a[0][b]=c'), { a: [{ b: 'c' }] });
+        st.end();
+    });
+
+    t.test('allows for empty strings in arrays', function (st) {
+        st.deepEqual(qs.parse('a[]=b&a[]=&a[]=c'), { a: ['b', '', 'c'] });
+
+        st.deepEqual(
+            qs.parse('a[0]=b&a[1]&a[2]=c&a[19]=', { strictNullHandling: true, arrayLimit: 20 }),
+            { a: ['b', null, 'c', ''] },
+            'with arrayLimit 20 + array indices: null then empty string works'
+        );
+        st.deepEqual(
+            qs.parse('a[]=b&a[]&a[]=c&a[]=', { strictNullHandling: true, arrayLimit: 0 }),
+            { a: ['b', null, 'c', ''] },
+            'with arrayLimit 0 + array brackets: null then empty string works'
+        );
+
+        st.deepEqual(
+            qs.parse('a[0]=b&a[1]=&a[2]=c&a[19]', { strictNullHandling: true, arrayLimit: 20 }),
+            { a: ['b', '', 'c', null] },
+            'with arrayLimit 20 + array indices: empty string then null works'
+        );
+        st.deepEqual(
+            qs.parse('a[]=b&a[]=&a[]=c&a[]', { strictNullHandling: true, arrayLimit: 0 }),
+            { a: ['b', '', 'c', null] },
+            'with arrayLimit 0 + array brackets: empty string then null works'
+        );
+
+        st.deepEqual(
+            qs.parse('a[]=&a[]=b&a[]=c'),
+            { a: ['', 'b', 'c'] },
+            'array brackets: empty strings work'
+        );
+        st.end();
+    });
+
+    t.test('compacts sparse arrays', function (st) {
+        st.deepEqual(qs.parse('a[10]=1&a[2]=2', { arrayLimit: 20 }), { a: ['2', '1'] });
+        st.deepEqual(qs.parse('a[1][b][2][c]=1', { arrayLimit: 20 }), { a: [{ b: [{ c: '1' }] }] });
+        st.deepEqual(qs.parse('a[1][2][3][c]=1', { arrayLimit: 20 }), { a: [[[{ c: '1' }]]] });
+        st.deepEqual(qs.parse('a[1][2][3][c][1]=1', { arrayLimit: 20 }), { a: [[[{ c: ['1'] }]]] });
+        st.end();
+    });
+
+    t.test('parses sparse arrays', function (st) {
+        /* eslint no-sparse-arrays: 0 */
+        st.deepEqual(qs.parse('a[4]=1&a[1]=2', { allowSparse: true }), { a: [, '2', , , '1'] });
+        st.deepEqual(qs.parse('a[1][b][2][c]=1', { allowSparse: true }), { a: [, { b: [, , { c: '1' }] }] });
+        st.deepEqual(qs.parse('a[1][2][3][c]=1', { allowSparse: true }), { a: [, [, , [, , , { c: '1' }]]] });
+        st.deepEqual(qs.parse('a[1][2][3][c][1]=1', { allowSparse: true }), { a: [, [, , [, , , { c: [, '1'] }]]] });
+        st.end();
+    });
+
+    t.test('parses semi-parsed strings', function (st) {
+        st.deepEqual(qs.parse({ 'a[b]': 'c' }), { a: { b: 'c' } });
+        st.deepEqual(qs.parse({ 'a[b]': 'c', 'a[d]': 'e' }), { a: { b: 'c', d: 'e' } });
+        st.end();
+    });
+
+    t.test('parses buffers correctly', function (st) {
+        var b = SaferBuffer.from('test');
+        st.deepEqual(qs.parse({ a: b }), { a: b });
+        st.end();
+    });
+
+    t.test('parses jquery-param strings', function (st) {
+        // readable = 'filter[0][]=int1&filter[0][]==&filter[0][]=77&filter[]=and&filter[2][]=int2&filter[2][]==&filter[2][]=8'
+        var encoded = 'filter%5B0%5D%5B%5D=int1&filter%5B0%5D%5B%5D=%3D&filter%5B0%5D%5B%5D=77&filter%5B%5D=and&filter%5B2%5D%5B%5D=int2&filter%5B2%5D%5B%5D=%3D&filter%5B2%5D%5B%5D=8';
+        var expected = { filter: [['int1', '=', '77'], 'and', ['int2', '=', '8']] };
+        st.deepEqual(qs.parse(encoded), expected);
+        st.end();
+    });
+
+    t.test('continues parsing when no parent is found', function (st) {
+        st.deepEqual(qs.parse('[]=&a=b'), { 0: '', a: 'b' });
+        st.deepEqual(qs.parse('[]&a=b', { strictNullHandling: true }), { 0: null, a: 'b' });
+        st.deepEqual(qs.parse('[foo]=bar'), { foo: 'bar' });
+        st.end();
+    });
+
+    t.test('does not error when parsing a very long array', function (st) {
+        var str = 'a[]=a';
+        while (Buffer.byteLength(str) < 128 * 1024) {
+            str = str + '&' + str;
+        }
+
+        st.doesNotThrow(function () {
+            qs.parse(str);
+        });
+
+        st.end();
+    });
+
+    t.test('should not throw when a native prototype has an enumerable property', function (st) {
+        Object.prototype.crash = '';
+        Array.prototype.crash = '';
+        st.doesNotThrow(qs.parse.bind(null, 'a=b'));
+        st.deepEqual(qs.parse('a=b'), { a: 'b' });
+        st.doesNotThrow(qs.parse.bind(null, 'a[][b]=c'));
+        st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] });
+        delete Object.prototype.crash;
+        delete Array.prototype.crash;
+        st.end();
+    });
+
+    t.test('parses a string with an alternative string delimiter', function (st) {
+        st.deepEqual(qs.parse('a=b;c=d', { delimiter: ';' }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('parses a string with an alternative RegExp delimiter', function (st) {
+        st.deepEqual(qs.parse('a=b; c=d', { delimiter: /[;,] */ }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('does not use non-splittable objects as delimiters', function (st) {
+        st.deepEqual(qs.parse('a=b&c=d', { delimiter: true }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('allows overriding parameter limit', function (st) {
+        st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: 1 }), { a: 'b' });
+        st.end();
+    });
+
+    t.test('allows setting the parameter limit to Infinity', function (st) {
+        st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: Infinity }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('allows overriding array limit', function (st) {
+        st.deepEqual(qs.parse('a[0]=b', { arrayLimit: -1 }), { a: { 0: 'b' } });
+        st.deepEqual(qs.parse('a[-1]=b', { arrayLimit: -1 }), { a: { '-1': 'b' } });
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayLimit: 0 }), { a: { 0: 'b', 1: 'c' } });
+        st.end();
+    });
+
+    t.test('allows disabling array parsing', function (st) {
+        var indices = qs.parse('a[0]=b&a[1]=c', { parseArrays: false });
+        st.deepEqual(indices, { a: { 0: 'b', 1: 'c' } });
+        st.equal(Array.isArray(indices.a), false, 'parseArrays:false, indices case is not an array');
+
+        var emptyBrackets = qs.parse('a[]=b', { parseArrays: false });
+        st.deepEqual(emptyBrackets, { a: { 0: 'b' } });
+        st.equal(Array.isArray(emptyBrackets.a), false, 'parseArrays:false, empty brackets case is not an array');
+
+        st.end();
+    });
+
+    t.test('allows for query string prefix', function (st) {
+        st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' });
+        st.deepEqual(qs.parse('foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' });
+        st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: false }), { '?foo': 'bar' });
+        st.end();
+    });
+
+    t.test('parses an object', function (st) {
+        var input = {
+            'user[name]': { 'pop[bob]': 3 },
+            'user[email]': null
+        };
+
+        var expected = {
+            user: {
+                name: { 'pop[bob]': 3 },
+                email: null
+            }
+        };
+
+        var result = qs.parse(input);
+
+        st.deepEqual(result, expected);
+        st.end();
+    });
+
+    t.test('parses string with comma as array divider', function (st) {
+        st.deepEqual(qs.parse('foo=bar,tee', { comma: true }), { foo: ['bar', 'tee'] });
+        st.deepEqual(qs.parse('foo[bar]=coffee,tee', { comma: true }), { foo: { bar: ['coffee', 'tee'] } });
+        st.deepEqual(qs.parse('foo=', { comma: true }), { foo: '' });
+        st.deepEqual(qs.parse('foo', { comma: true }), { foo: '' });
+        st.deepEqual(qs.parse('foo', { comma: true, strictNullHandling: true }), { foo: null });
+        st.end();
+    });
+
+    t.test('parses values with comma as array divider', function (st) {
+        st.deepEqual(qs.parse({ foo: 'bar,tee' }, { comma: false }), { foo: 'bar,tee' });
+        st.deepEqual(qs.parse({ foo: 'bar,tee' }, { comma: true }), { foo: ['bar', 'tee'] });
+        st.end();
+    });
+
+    t.test('use number decoder, parses string that has one number with comma option enabled', function (st) {
+        var decoder = function (str, defaultDecoder, charset, type) {
+            if (!isNaN(Number(str))) {
+                return parseFloat(str);
+            }
+            return defaultDecoder(str, defaultDecoder, charset, type);
+        };
+
+        st.deepEqual(qs.parse('foo=1', { comma: true, decoder: decoder }), { foo: 1 });
+        st.deepEqual(qs.parse('foo=0', { comma: true, decoder: decoder }), { foo: 0 });
+
+        st.end();
+    });
+
+    t.test('parses brackets holds array of arrays when having two parts of strings with comma as array divider', function (st) {
+        st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=4,5,6', { comma: true }), { foo: [['1', '2', '3'], ['4', '5', '6']] });
+        st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=', { comma: true }), { foo: [['1', '2', '3'], ''] });
+        st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=,', { comma: true }), { foo: [['1', '2', '3'], ['', '']] });
+        st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=a', { comma: true }), { foo: [['1', '2', '3'], 'a'] });
+
+        st.end();
+    });
+
+    t.test('parses comma delimited array while having percent-encoded comma treated as normal text', function (st) {
+        st.deepEqual(qs.parse('foo=a%2Cb', { comma: true }), { foo: 'a,b' });
+        st.deepEqual(qs.parse('foo=a%2C%20b,d', { comma: true }), { foo: ['a, b', 'd'] });
+        st.deepEqual(qs.parse('foo=a%2C%20b,c%2C%20d', { comma: true }), { foo: ['a, b', 'c, d'] });
+
+        st.end();
+    });
+
+    t.test('parses an object in dot notation', function (st) {
+        var input = {
+            'user.name': { 'pop[bob]': 3 },
+            'user.email.': null
+        };
+
+        var expected = {
+            user: {
+                name: { 'pop[bob]': 3 },
+                email: null
+            }
+        };
+
+        var result = qs.parse(input, { allowDots: true });
+
+        st.deepEqual(result, expected);
+        st.end();
+    });
+
+    t.test('parses an object and not child values', function (st) {
+        var input = {
+            'user[name]': { 'pop[bob]': { test: 3 } },
+            'user[email]': null
+        };
+
+        var expected = {
+            user: {
+                name: { 'pop[bob]': { test: 3 } },
+                email: null
+            }
+        };
+
+        var result = qs.parse(input);
+
+        st.deepEqual(result, expected);
+        st.end();
+    });
+
+    t.test('does not blow up when Buffer global is missing', function (st) {
+        var tempBuffer = global.Buffer;
+        delete global.Buffer;
+        var result = qs.parse('a=b&c=d');
+        global.Buffer = tempBuffer;
+        st.deepEqual(result, { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('does not crash when parsing circular references', function (st) {
+        var a = {};
+        a.b = a;
+
+        var parsed;
+
+        st.doesNotThrow(function () {
+            parsed = qs.parse({ 'foo[bar]': 'baz', 'foo[baz]': a });
+        });
+
+        st.equal('foo' in parsed, true, 'parsed has "foo" property');
+        st.equal('bar' in parsed.foo, true);
+        st.equal('baz' in parsed.foo, true);
+        st.equal(parsed.foo.bar, 'baz');
+        st.deepEqual(parsed.foo.baz, a);
+        st.end();
+    });
+
+    t.test('does not crash when parsing deep objects', function (st) {
+        var parsed;
+        var str = 'foo';
+
+        for (var i = 0; i < 5000; i++) {
+            str += '[p]';
+        }
+
+        str += '=bar';
+
+        st.doesNotThrow(function () {
+            parsed = qs.parse(str, { depth: 5000 });
+        });
+
+        st.equal('foo' in parsed, true, 'parsed has "foo" property');
+
+        var depth = 0;
+        var ref = parsed.foo;
+        while ((ref = ref.p)) {
+            depth += 1;
+        }
+
+        st.equal(depth, 5000, 'parsed is 5000 properties deep');
+
+        st.end();
+    });
+
+    t.test('parses null objects correctly', { skip: !Object.create }, function (st) {
+        var a = Object.create(null);
+        a.b = 'c';
+
+        st.deepEqual(qs.parse(a), { b: 'c' });
+        var result = qs.parse({ a: a });
+        st.equal('a' in result, true, 'result has "a" property');
+        st.deepEqual(result.a, a);
+        st.end();
+    });
+
+    t.test('parses dates correctly', function (st) {
+        var now = new Date();
+        st.deepEqual(qs.parse({ a: now }), { a: now });
+        st.end();
+    });
+
+    t.test('parses regular expressions correctly', function (st) {
+        var re = /^test$/;
+        st.deepEqual(qs.parse({ a: re }), { a: re });
+        st.end();
+    });
+
+    t.test('does not allow overwriting prototype properties', function (st) {
+        st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: false }), {});
+        st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: false }), {});
+
+        st.deepEqual(
+            qs.parse('toString', { allowPrototypes: false }),
+            {},
+            'bare "toString" results in {}'
+        );
+
+        st.end();
+    });
+
+    t.test('can allow overwriting prototype properties', function (st) {
+        st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: true }), { a: { hasOwnProperty: 'b' } });
+        st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: true }), { hasOwnProperty: 'b' });
+
+        st.deepEqual(
+            qs.parse('toString', { allowPrototypes: true }),
+            { toString: '' },
+            'bare "toString" results in { toString: "" }'
+        );
+
+        st.end();
+    });
+
+    t.test('params starting with a closing bracket', function (st) {
+        st.deepEqual(qs.parse(']=toString'), { ']': 'toString' });
+        st.deepEqual(qs.parse(']]=toString'), { ']]': 'toString' });
+        st.deepEqual(qs.parse(']hello]=toString'), { ']hello]': 'toString' });
+        st.end();
+    });
+
+    t.test('params starting with a starting bracket', function (st) {
+        st.deepEqual(qs.parse('[=toString'), { '[': 'toString' });
+        st.deepEqual(qs.parse('[[=toString'), { '[[': 'toString' });
+        st.deepEqual(qs.parse('[hello[=toString'), { '[hello[': 'toString' });
+        st.end();
+    });
+
+    t.test('add keys to objects', function (st) {
+        st.deepEqual(
+            qs.parse('a[b]=c&a=d'),
+            { a: { b: 'c', d: true } },
+            'can add keys to objects'
+        );
+
+        st.deepEqual(
+            qs.parse('a[b]=c&a=toString'),
+            { a: { b: 'c' } },
+            'can not overwrite prototype'
+        );
+
+        st.deepEqual(
+            qs.parse('a[b]=c&a=toString', { allowPrototypes: true }),
+            { a: { b: 'c', toString: true } },
+            'can overwrite prototype with allowPrototypes true'
+        );
+
+        st.deepEqual(
+            qs.parse('a[b]=c&a=toString', { plainObjects: true }),
+            { __proto__: null, a: { __proto__: null, b: 'c', toString: true } },
+            'can overwrite prototype with plainObjects true'
+        );
+
+        st.end();
+    });
+
+    t.test('dunder proto is ignored', function (st) {
+        var payload = 'categories[__proto__]=login&categories[__proto__]&categories[length]=42';
+        var result = qs.parse(payload, { allowPrototypes: true });
+
+        st.deepEqual(
+            result,
+            {
+                categories: {
+                    length: '42'
+                }
+            },
+            'silent [[Prototype]] payload'
+        );
+
+        var plainResult = qs.parse(payload, { allowPrototypes: true, plainObjects: true });
+
+        st.deepEqual(
+            plainResult,
+            {
+                __proto__: null,
+                categories: {
+                    __proto__: null,
+                    length: '42'
+                }
+            },
+            'silent [[Prototype]] payload: plain objects'
+        );
+
+        var query = qs.parse('categories[__proto__]=cats&categories[__proto__]=dogs&categories[some][json]=toInject', { allowPrototypes: true });
+
+        st.notOk(Array.isArray(query.categories), 'is not an array');
+        st.notOk(query.categories instanceof Array, 'is not instanceof an array');
+        st.deepEqual(query.categories, { some: { json: 'toInject' } });
+        st.equal(JSON.stringify(query.categories), '{"some":{"json":"toInject"}}', 'stringifies as a non-array');
+
+        st.deepEqual(
+            qs.parse('foo[__proto__][hidden]=value&foo[bar]=stuffs', { allowPrototypes: true }),
+            {
+                foo: {
+                    bar: 'stuffs'
+                }
+            },
+            'hidden values'
+        );
+
+        st.deepEqual(
+            qs.parse('foo[__proto__][hidden]=value&foo[bar]=stuffs', { allowPrototypes: true, plainObjects: true }),
+            {
+                __proto__: null,
+                foo: {
+                    __proto__: null,
+                    bar: 'stuffs'
+                }
+            },
+            'hidden values: plain objects'
+        );
+
+        st.end();
+    });
+
+    t.test('can return null objects', { skip: !Object.create }, function (st) {
+        var expected = Object.create(null);
+        expected.a = Object.create(null);
+        expected.a.b = 'c';
+        expected.a.hasOwnProperty = 'd';
+        st.deepEqual(qs.parse('a[b]=c&a[hasOwnProperty]=d', { plainObjects: true }), expected);
+        st.deepEqual(qs.parse(null, { plainObjects: true }), Object.create(null));
+        var expectedArray = Object.create(null);
+        expectedArray.a = Object.create(null);
+        expectedArray.a[0] = 'b';
+        expectedArray.a.c = 'd';
+        st.deepEqual(qs.parse('a[]=b&a[c]=d', { plainObjects: true }), expectedArray);
+        st.end();
+    });
+
+    t.test('can parse with custom encoding', function (st) {
+        st.deepEqual(qs.parse('%8c%a7=%91%e5%8d%e3%95%7b', {
+            decoder: function (str) {
+                var reg = /%([0-9A-F]{2})/ig;
+                var result = [];
+                var parts = reg.exec(str);
+                while (parts) {
+                    result.push(parseInt(parts[1], 16));
+                    parts = reg.exec(str);
+                }
+                return String(iconv.decode(SaferBuffer.from(result), 'shift_jis'));
+            }
+        }), { 県: '大阪府' });
+        st.end();
+    });
+
+    t.test('receives the default decoder as a second argument', function (st) {
+        st.plan(1);
+        qs.parse('a', {
+            decoder: function (str, defaultDecoder) {
+                st.equal(defaultDecoder, utils.decode);
+            }
+        });
+        st.end();
+    });
+
+    t.test('throws error with wrong decoder', function (st) {
+        st['throws'](function () {
+            qs.parse({}, { decoder: 'string' });
+        }, new TypeError('Decoder has to be a function.'));
+        st.end();
+    });
+
+    t.test('does not mutate the options argument', function (st) {
+        var options = {};
+        qs.parse('a[b]=true', options);
+        st.deepEqual(options, {});
+        st.end();
+    });
+
+    t.test('throws if an invalid charset is specified', function (st) {
+        st['throws'](function () {
+            qs.parse('a=b', { charset: 'foobar' });
+        }, new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined'));
+        st.end();
+    });
+
+    t.test('parses an iso-8859-1 string if asked to', function (st) {
+        st.deepEqual(qs.parse('%A2=%BD', { charset: 'iso-8859-1' }), { '¢': '½' });
+        st.end();
+    });
+
+    var urlEncodedCheckmarkInUtf8 = '%E2%9C%93';
+    var urlEncodedOSlashInUtf8 = '%C3%B8';
+    var urlEncodedNumCheckmark = '%26%2310003%3B';
+    var urlEncodedNumSmiley = '%26%239786%3B';
+
+    t.test('prefers an utf-8 charset specified by the utf8 sentinel to a default charset of iso-8859-1', function (st) {
+        st.deepEqual(qs.parse('utf8=' + urlEncodedCheckmarkInUtf8 + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'iso-8859-1' }), { ø: 'ø' });
+        st.end();
+    });
+
+    t.test('prefers an iso-8859-1 charset specified by the utf8 sentinel to a default charset of utf-8', function (st) {
+        st.deepEqual(qs.parse('utf8=' + urlEncodedNumCheckmark + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'utf-8' }), { 'ø': 'ø' });
+        st.end();
+    });
+
+    t.test('does not require the utf8 sentinel to be defined before the parameters whose decoding it affects', function (st) {
+        st.deepEqual(qs.parse('a=' + urlEncodedOSlashInUtf8 + '&utf8=' + urlEncodedNumCheckmark, { charsetSentinel: true, charset: 'utf-8' }), { a: 'ø' });
+        st.end();
+    });
+
+    t.test('should ignore an utf8 sentinel with an unknown value', function (st) {
+        st.deepEqual(qs.parse('utf8=foo&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'utf-8' }), { ø: 'ø' });
+        st.end();
+    });
+
+    t.test('uses the utf8 sentinel to switch to utf-8 when no default charset is given', function (st) {
+        st.deepEqual(qs.parse('utf8=' + urlEncodedCheckmarkInUtf8 + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true }), { ø: 'ø' });
+        st.end();
+    });
+
+    t.test('uses the utf8 sentinel to switch to iso-8859-1 when no default charset is given', function (st) {
+        st.deepEqual(qs.parse('utf8=' + urlEncodedNumCheckmark + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true }), { 'ø': 'ø' });
+        st.end();
+    });
+
+    t.test('interprets numeric entities in iso-8859-1 when `interpretNumericEntities`', function (st) {
+        st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'iso-8859-1', interpretNumericEntities: true }), { foo: '☺' });
+        st.end();
+    });
+
+    t.test('handles a custom decoder returning `null`, in the `iso-8859-1` charset, when `interpretNumericEntities`', function (st) {
+        st.deepEqual(qs.parse('foo=&bar=' + urlEncodedNumSmiley, {
+            charset: 'iso-8859-1',
+            decoder: function (str, defaultDecoder, charset) {
+                return str ? defaultDecoder(str, defaultDecoder, charset) : null;
+            },
+            interpretNumericEntities: true
+        }), { foo: null, bar: '☺' });
+        st.end();
+    });
+
+    t.test('does not interpret numeric entities in iso-8859-1 when `interpretNumericEntities` is absent', function (st) {
+        st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'iso-8859-1' }), { foo: '&#9786;' });
+        st.end();
+    });
+
+    t.test('does not interpret numeric entities when the charset is utf-8, even when `interpretNumericEntities`', function (st) {
+        st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'utf-8', interpretNumericEntities: true }), { foo: '&#9786;' });
+        st.end();
+    });
+
+    t.test('does not interpret %uXXXX syntax in iso-8859-1 mode', function (st) {
+        st.deepEqual(qs.parse('%u263A=%u263A', { charset: 'iso-8859-1' }), { '%u263A': '%u263A' });
+        st.end();
+    });
+
+    t.test('allows for decoding keys and values differently', function (st) {
+        var decoder = function (str, defaultDecoder, charset, type) {
+            if (type === 'key') {
+                return defaultDecoder(str, defaultDecoder, charset, type).toLowerCase();
+            }
+            if (type === 'value') {
+                return defaultDecoder(str, defaultDecoder, charset, type).toUpperCase();
+            }
+            throw 'this should never happen! type: ' + type;
+        };
+
+        st.deepEqual(qs.parse('KeY=vAlUe', { decoder: decoder }), { key: 'VALUE' });
+        st.end();
+    });
+
+    t.end();
+});
diff --git a/node_modules/qs/test/stringify.js b/node_modules/qs/test/stringify.js
new file mode 100644
index 000000000..a3800aac2
--- /dev/null
+++ b/node_modules/qs/test/stringify.js
@@ -0,0 +1,865 @@
+'use strict';
+
+var test = require('tape');
+var qs = require('../');
+var utils = require('../lib/utils');
+var iconv = require('iconv-lite');
+var SaferBuffer = require('safer-buffer').Buffer;
+var hasSymbols = require('has-symbols');
+var hasBigInt = typeof BigInt === 'function';
+
+test('stringify()', function (t) {
+    t.test('stringifies a querystring object', function (st) {
+        st.equal(qs.stringify({ a: 'b' }), 'a=b');
+        st.equal(qs.stringify({ a: 1 }), 'a=1');
+        st.equal(qs.stringify({ a: 1, b: 2 }), 'a=1&b=2');
+        st.equal(qs.stringify({ a: 'A_Z' }), 'a=A_Z');
+        st.equal(qs.stringify({ a: '€' }), 'a=%E2%82%AC');
+        st.equal(qs.stringify({ a: '' }), 'a=%EE%80%80');
+        st.equal(qs.stringify({ a: 'א' }), 'a=%D7%90');
+        st.equal(qs.stringify({ a: '𐐷' }), 'a=%F0%90%90%B7');
+        st.end();
+    });
+
+    t.test('stringifies falsy values', function (st) {
+        st.equal(qs.stringify(undefined), '');
+        st.equal(qs.stringify(null), '');
+        st.equal(qs.stringify(null, { strictNullHandling: true }), '');
+        st.equal(qs.stringify(false), '');
+        st.equal(qs.stringify(0), '');
+        st.end();
+    });
+
+    t.test('stringifies symbols', { skip: !hasSymbols() }, function (st) {
+        st.equal(qs.stringify(Symbol.iterator), '');
+        st.equal(qs.stringify([Symbol.iterator]), '0=Symbol%28Symbol.iterator%29');
+        st.equal(qs.stringify({ a: Symbol.iterator }), 'a=Symbol%28Symbol.iterator%29');
+        st.equal(
+            qs.stringify({ a: [Symbol.iterator] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
+            'a[]=Symbol%28Symbol.iterator%29'
+        );
+        st.end();
+    });
+
+    t.test('stringifies bigints', { skip: !hasBigInt }, function (st) {
+        var three = BigInt(3);
+        var encodeWithN = function (value, defaultEncoder, charset) {
+            var result = defaultEncoder(value, defaultEncoder, charset);
+            return typeof value === 'bigint' ? result + 'n' : result;
+        };
+        st.equal(qs.stringify(three), '');
+        st.equal(qs.stringify([three]), '0=3');
+        st.equal(qs.stringify([three], { encoder: encodeWithN }), '0=3n');
+        st.equal(qs.stringify({ a: three }), 'a=3');
+        st.equal(qs.stringify({ a: three }, { encoder: encodeWithN }), 'a=3n');
+        st.equal(
+            qs.stringify({ a: [three] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
+            'a[]=3'
+        );
+        st.equal(
+            qs.stringify({ a: [three] }, { encodeValuesOnly: true, encoder: encodeWithN, arrayFormat: 'brackets' }),
+            'a[]=3n'
+        );
+        st.end();
+    });
+
+    t.test('adds query prefix', function (st) {
+        st.equal(qs.stringify({ a: 'b' }, { addQueryPrefix: true }), '?a=b');
+        st.end();
+    });
+
+    t.test('with query prefix, outputs blank string given an empty object', function (st) {
+        st.equal(qs.stringify({}, { addQueryPrefix: true }), '');
+        st.end();
+    });
+
+    t.test('stringifies nested falsy values', function (st) {
+        st.equal(qs.stringify({ a: { b: { c: null } } }), 'a%5Bb%5D%5Bc%5D=');
+        st.equal(qs.stringify({ a: { b: { c: null } } }, { strictNullHandling: true }), 'a%5Bb%5D%5Bc%5D');
+        st.equal(qs.stringify({ a: { b: { c: false } } }), 'a%5Bb%5D%5Bc%5D=false');
+        st.end();
+    });
+
+    t.test('stringifies a nested object', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
+        st.equal(qs.stringify({ a: { b: { c: { d: 'e' } } } }), 'a%5Bb%5D%5Bc%5D%5Bd%5D=e');
+        st.end();
+    });
+
+    t.test('stringifies a nested object with dots notation', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c' } }, { allowDots: true }), 'a.b=c');
+        st.equal(qs.stringify({ a: { b: { c: { d: 'e' } } } }, { allowDots: true }), 'a.b.c.d=e');
+        st.end();
+    });
+
+    t.test('stringifies an array value', function (st) {
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'indices' }),
+            'a%5B0%5D=b&a%5B1%5D=c&a%5B2%5D=d',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'brackets' }),
+            'a%5B%5D=b&a%5B%5D=c&a%5B%5D=d',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'comma' }),
+            'a=b%2Cc%2Cd',
+            'comma => comma'
+        );
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }),
+            'a%5B0%5D=b&a%5B1%5D=c&a%5B2%5D=d',
+            'default => indices'
+        );
+        st.end();
+    });
+
+    t.test('omits nulls when asked', function (st) {
+        st.equal(qs.stringify({ a: 'b', c: null }, { skipNulls: true }), 'a=b');
+        st.end();
+    });
+
+    t.test('omits nested nulls when asked', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c', d: null } }, { skipNulls: true }), 'a%5Bb%5D=c');
+        st.end();
+    });
+
+    t.test('omits array indices when asked', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c', 'd'] }, { indices: false }), 'a=b&a=c&a=d');
+        st.end();
+    });
+
+    t.test('stringifies a nested array value', function (st) {
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true, arrayFormat: 'indices' }), 'a[b][0]=c&a[b][1]=d');
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true, arrayFormat: 'brackets' }), 'a[b][]=c&a[b][]=d');
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true, arrayFormat: 'comma' }), 'a[b]=c,d');
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { encodeValuesOnly: true }), 'a[b][0]=c&a[b][1]=d');
+        st.end();
+    });
+
+    t.test('stringifies a nested array value with dots notation', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encodeValuesOnly: true, arrayFormat: 'indices' }
+            ),
+            'a.b[0]=c&a.b[1]=d',
+            'indices: stringifies with dots + indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encodeValuesOnly: true, arrayFormat: 'brackets' }
+            ),
+            'a.b[]=c&a.b[]=d',
+            'brackets: stringifies with dots + brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encodeValuesOnly: true, arrayFormat: 'comma' }
+            ),
+            'a.b=c,d',
+            'comma: stringifies with dots + comma'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encodeValuesOnly: true }
+            ),
+            'a.b[0]=c&a.b[1]=d',
+            'default: stringifies with dots + indices'
+        );
+        st.end();
+    });
+
+    t.test('stringifies an object inside an array', function (st) {
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }, { arrayFormat: 'indices' }),
+            'a%5B0%5D%5Bb%5D=c', // a[0][b]=c
+            'indices => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }, { arrayFormat: 'brackets' }),
+            'a%5B%5D%5Bb%5D=c', // a[][b]=c
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }),
+            'a%5B0%5D%5Bb%5D=c',
+            'default => indices'
+        );
+
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }, { arrayFormat: 'indices' }),
+            'a%5B0%5D%5Bb%5D%5Bc%5D%5B0%5D=1',
+            'indices => indices'
+        );
+
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }, { arrayFormat: 'brackets' }),
+            'a%5B%5D%5Bb%5D%5Bc%5D%5B%5D=1',
+            'brackets => brackets'
+        );
+
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }),
+            'a%5B0%5D%5Bb%5D%5Bc%5D%5B0%5D=1',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('stringifies an array with mixed objects and primitives', function (st) {
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true, arrayFormat: 'indices' }),
+            'a[0][b]=1&a[1]=2&a[2]=3',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true, arrayFormat: 'brackets' }),
+            'a[][b]=1&a[]=2&a[]=3',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true, arrayFormat: 'comma' }),
+            '???',
+            'brackets => brackets',
+            { skip: 'TODO: figure out what this should do' }
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encodeValuesOnly: true }),
+            'a[0][b]=1&a[1]=2&a[2]=3',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('stringifies an object inside an array with dots notation', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: [{ b: 'c' }] },
+                { allowDots: true, encode: false, arrayFormat: 'indices' }
+            ),
+            'a[0].b=c',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: 'c' }] },
+                { allowDots: true, encode: false, arrayFormat: 'brackets' }
+            ),
+            'a[].b=c',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: 'c' }] },
+                { allowDots: true, encode: false }
+            ),
+            'a[0].b=c',
+            'default => indices'
+        );
+
+        st.equal(
+            qs.stringify(
+                { a: [{ b: { c: [1] } }] },
+                { allowDots: true, encode: false, arrayFormat: 'indices' }
+            ),
+            'a[0].b.c[0]=1',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: { c: [1] } }] },
+                { allowDots: true, encode: false, arrayFormat: 'brackets' }
+            ),
+            'a[].b.c[]=1',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: { c: [1] } }] },
+                { allowDots: true, encode: false }
+            ),
+            'a[0].b.c[0]=1',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('does not omit object keys when indices = false', function (st) {
+        st.equal(qs.stringify({ a: [{ b: 'c' }] }, { indices: false }), 'a%5Bb%5D=c');
+        st.end();
+    });
+
+    t.test('uses indices notation for arrays when indices=true', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { indices: true }), 'a%5B0%5D=b&a%5B1%5D=c');
+        st.end();
+    });
+
+    t.test('uses indices notation for arrays when no arrayFormat is specified', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }), 'a%5B0%5D=b&a%5B1%5D=c');
+        st.end();
+    });
+
+    t.test('uses indices notation for arrays when no arrayFormat=indices', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'indices' }), 'a%5B0%5D=b&a%5B1%5D=c');
+        st.end();
+    });
+
+    t.test('uses repeat notation for arrays when no arrayFormat=repeat', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'repeat' }), 'a=b&a=c');
+        st.end();
+    });
+
+    t.test('uses brackets notation for arrays when no arrayFormat=brackets', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'brackets' }), 'a%5B%5D=b&a%5B%5D=c');
+        st.end();
+    });
+
+    t.test('stringifies a complicated object', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c', d: 'e' } }), 'a%5Bb%5D=c&a%5Bd%5D=e');
+        st.end();
+    });
+
+    t.test('stringifies an empty value', function (st) {
+        st.equal(qs.stringify({ a: '' }), 'a=');
+        st.equal(qs.stringify({ a: null }, { strictNullHandling: true }), 'a');
+
+        st.equal(qs.stringify({ a: '', b: '' }), 'a=&b=');
+        st.equal(qs.stringify({ a: null, b: '' }, { strictNullHandling: true }), 'a&b=');
+
+        st.equal(qs.stringify({ a: { b: '' } }), 'a%5Bb%5D=');
+        st.equal(qs.stringify({ a: { b: null } }, { strictNullHandling: true }), 'a%5Bb%5D');
+        st.equal(qs.stringify({ a: { b: null } }, { strictNullHandling: false }), 'a%5Bb%5D=');
+
+        st.end();
+    });
+
+    t.test('stringifies an empty array in different arrayFormat', function (st) {
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false }), 'b[0]=&c=c');
+        // arrayFormat default
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'indices' }), 'b[0]=&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'brackets' }), 'b[]=&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'repeat' }), 'b=&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma' }), 'b=&c=c');
+        // with strictNullHandling
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'indices', strictNullHandling: true }), 'b[0]&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'brackets', strictNullHandling: true }), 'b[]&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'repeat', strictNullHandling: true }), 'b&c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', strictNullHandling: true }), 'b&c=c');
+        // with skipNulls
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'indices', skipNulls: true }), 'c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'brackets', skipNulls: true }), 'c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'repeat', skipNulls: true }), 'c=c');
+        st.equal(qs.stringify({ a: [], b: [null], c: 'c' }, { encode: false, arrayFormat: 'comma', skipNulls: true }), 'c=c');
+
+        st.end();
+    });
+
+    t.test('stringifies a null object', { skip: !Object.create }, function (st) {
+        var obj = Object.create(null);
+        obj.a = 'b';
+        st.equal(qs.stringify(obj), 'a=b');
+        st.end();
+    });
+
+    t.test('returns an empty string for invalid input', function (st) {
+        st.equal(qs.stringify(undefined), '');
+        st.equal(qs.stringify(false), '');
+        st.equal(qs.stringify(null), '');
+        st.equal(qs.stringify(''), '');
+        st.end();
+    });
+
+    t.test('stringifies an object with a null object as a child', { skip: !Object.create }, function (st) {
+        var obj = { a: Object.create(null) };
+
+        obj.a.b = 'c';
+        st.equal(qs.stringify(obj), 'a%5Bb%5D=c');
+        st.end();
+    });
+
+    t.test('drops keys with a value of undefined', function (st) {
+        st.equal(qs.stringify({ a: undefined }), '');
+
+        st.equal(qs.stringify({ a: { b: undefined, c: null } }, { strictNullHandling: true }), 'a%5Bc%5D');
+        st.equal(qs.stringify({ a: { b: undefined, c: null } }, { strictNullHandling: false }), 'a%5Bc%5D=');
+        st.equal(qs.stringify({ a: { b: undefined, c: '' } }), 'a%5Bc%5D=');
+        st.end();
+    });
+
+    t.test('url encodes values', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
+        st.end();
+    });
+
+    t.test('stringifies a date', function (st) {
+        var now = new Date();
+        var str = 'a=' + encodeURIComponent(now.toISOString());
+        st.equal(qs.stringify({ a: now }), str);
+        st.end();
+    });
+
+    t.test('stringifies the weird object from qs', function (st) {
+        st.equal(qs.stringify({ 'my weird field': '~q1!2"\'w$5&7/z8)?' }), 'my%20weird%20field=~q1%212%22%27w%245%267%2Fz8%29%3F');
+        st.end();
+    });
+
+    t.test('skips properties that are part of the object prototype', function (st) {
+        Object.prototype.crash = 'test';
+        st.equal(qs.stringify({ a: 'b' }), 'a=b');
+        st.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
+        delete Object.prototype.crash;
+        st.end();
+    });
+
+    t.test('stringifies boolean values', function (st) {
+        st.equal(qs.stringify({ a: true }), 'a=true');
+        st.equal(qs.stringify({ a: { b: true } }), 'a%5Bb%5D=true');
+        st.equal(qs.stringify({ b: false }), 'b=false');
+        st.equal(qs.stringify({ b: { c: false } }), 'b%5Bc%5D=false');
+        st.end();
+    });
+
+    t.test('stringifies buffer values', function (st) {
+        st.equal(qs.stringify({ a: SaferBuffer.from('test') }), 'a=test');
+        st.equal(qs.stringify({ a: { b: SaferBuffer.from('test') } }), 'a%5Bb%5D=test');
+        st.end();
+    });
+
+    t.test('stringifies an object using an alternative delimiter', function (st) {
+        st.equal(qs.stringify({ a: 'b', c: 'd' }, { delimiter: ';' }), 'a=b;c=d');
+        st.end();
+    });
+
+    t.test('does not blow up when Buffer global is missing', function (st) {
+        var tempBuffer = global.Buffer;
+        delete global.Buffer;
+        var result = qs.stringify({ a: 'b', c: 'd' });
+        global.Buffer = tempBuffer;
+        st.equal(result, 'a=b&c=d');
+        st.end();
+    });
+
+    t.test('does not crash when parsing circular references', function (st) {
+        var a = {};
+        a.b = a;
+
+        st['throws'](
+            function () { qs.stringify({ 'foo[bar]': 'baz', 'foo[baz]': a }); },
+            /RangeError: Cyclic object value/,
+            'cyclic values throw'
+        );
+
+        var circular = {
+            a: 'value'
+        };
+        circular.a = circular;
+        st['throws'](
+            function () { qs.stringify(circular); },
+            /RangeError: Cyclic object value/,
+            'cyclic values throw'
+        );
+
+        var arr = ['a'];
+        st.doesNotThrow(
+            function () { qs.stringify({ x: arr, y: arr }); },
+            'non-cyclic values do not throw'
+        );
+
+        st.end();
+    });
+
+    t.test('non-circular duplicated references can still work', function (st) {
+        var hourOfDay = {
+            'function': 'hour_of_day'
+        };
+
+        var p1 = {
+            'function': 'gte',
+            arguments: [hourOfDay, 0]
+        };
+        var p2 = {
+            'function': 'lte',
+            arguments: [hourOfDay, 23]
+        };
+
+        st.equal(
+            qs.stringify({ filters: { $and: [p1, p2] } }, { encodeValuesOnly: true }),
+            'filters[$and][0][function]=gte&filters[$and][0][arguments][0][function]=hour_of_day&filters[$and][0][arguments][1]=0&filters[$and][1][function]=lte&filters[$and][1][arguments][0][function]=hour_of_day&filters[$and][1][arguments][1]=23'
+        );
+
+        st.end();
+    });
+
+    t.test('selects properties when filter=array', function (st) {
+        st.equal(qs.stringify({ a: 'b' }, { filter: ['a'] }), 'a=b');
+        st.equal(qs.stringify({ a: 1 }, { filter: [] }), '');
+
+        st.equal(
+            qs.stringify(
+                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
+                { filter: ['a', 'b', 0, 2], arrayFormat: 'indices' }
+            ),
+            'a%5Bb%5D%5B0%5D=1&a%5Bb%5D%5B2%5D=3',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
+                { filter: ['a', 'b', 0, 2], arrayFormat: 'brackets' }
+            ),
+            'a%5Bb%5D%5B%5D=1&a%5Bb%5D%5B%5D=3',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
+                { filter: ['a', 'b', 0, 2] }
+            ),
+            'a%5Bb%5D%5B0%5D=1&a%5Bb%5D%5B2%5D=3',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('supports custom representations when filter=function', function (st) {
+        var calls = 0;
+        var obj = { a: 'b', c: 'd', e: { f: new Date(1257894000000) } };
+        var filterFunc = function (prefix, value) {
+            calls += 1;
+            if (calls === 1) {
+                st.equal(prefix, '', 'prefix is empty');
+                st.equal(value, obj);
+            } else if (prefix === 'c') {
+                return void 0;
+            } else if (value instanceof Date) {
+                st.equal(prefix, 'e[f]');
+                return value.getTime();
+            }
+            return value;
+        };
+
+        st.equal(qs.stringify(obj, { filter: filterFunc }), 'a=b&e%5Bf%5D=1257894000000');
+        st.equal(calls, 5);
+        st.end();
+    });
+
+    t.test('can disable uri encoding', function (st) {
+        st.equal(qs.stringify({ a: 'b' }, { encode: false }), 'a=b');
+        st.equal(qs.stringify({ a: { b: 'c' } }, { encode: false }), 'a[b]=c');
+        st.equal(qs.stringify({ a: 'b', c: null }, { strictNullHandling: true, encode: false }), 'a=b&c');
+        st.end();
+    });
+
+    t.test('can sort the keys', function (st) {
+        var sort = function (a, b) {
+            return a.localeCompare(b);
+        };
+        st.equal(qs.stringify({ a: 'c', z: 'y', b: 'f' }, { sort: sort }), 'a=c&b=f&z=y');
+        st.equal(qs.stringify({ a: 'c', z: { j: 'a', i: 'b' }, b: 'f' }, { sort: sort }), 'a=c&b=f&z%5Bi%5D=b&z%5Bj%5D=a');
+        st.end();
+    });
+
+    t.test('can sort the keys at depth 3 or more too', function (st) {
+        var sort = function (a, b) {
+            return a.localeCompare(b);
+        };
+        st.equal(
+            qs.stringify(
+                { a: 'a', z: { zj: { zjb: 'zjb', zja: 'zja' }, zi: { zib: 'zib', zia: 'zia' } }, b: 'b' },
+                { sort: sort, encode: false }
+            ),
+            'a=a&b=b&z[zi][zia]=zia&z[zi][zib]=zib&z[zj][zja]=zja&z[zj][zjb]=zjb'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'a', z: { zj: { zjb: 'zjb', zja: 'zja' }, zi: { zib: 'zib', zia: 'zia' } }, b: 'b' },
+                { sort: null, encode: false }
+            ),
+            'a=a&z[zj][zjb]=zjb&z[zj][zja]=zja&z[zi][zib]=zib&z[zi][zia]=zia&b=b'
+        );
+        st.end();
+    });
+
+    t.test('can stringify with custom encoding', function (st) {
+        st.equal(qs.stringify({ 県: '大阪府', '': '' }, {
+            encoder: function (str) {
+                if (str.length === 0) {
+                    return '';
+                }
+                var buf = iconv.encode(str, 'shiftjis');
+                var result = [];
+                for (var i = 0; i < buf.length; ++i) {
+                    result.push(buf.readUInt8(i).toString(16));
+                }
+                return '%' + result.join('%');
+            }
+        }), '%8c%a7=%91%e5%8d%e3%95%7b&=');
+        st.end();
+    });
+
+    t.test('receives the default encoder as a second argument', function (st) {
+        st.plan(2);
+        qs.stringify({ a: 1 }, {
+            encoder: function (str, defaultEncoder) {
+                st.equal(defaultEncoder, utils.encode);
+            }
+        });
+        st.end();
+    });
+
+    t.test('throws error with wrong encoder', function (st) {
+        st['throws'](function () {
+            qs.stringify({}, { encoder: 'string' });
+        }, new TypeError('Encoder has to be a function.'));
+        st.end();
+    });
+
+    t.test('can use custom encoder for a buffer object', { skip: typeof Buffer === 'undefined' }, function (st) {
+        st.equal(qs.stringify({ a: SaferBuffer.from([1]) }, {
+            encoder: function (buffer) {
+                if (typeof buffer === 'string') {
+                    return buffer;
+                }
+                return String.fromCharCode(buffer.readUInt8(0) + 97);
+            }
+        }), 'a=b');
+
+        st.equal(qs.stringify({ a: SaferBuffer.from('a b') }, {
+            encoder: function (buffer) {
+                return buffer;
+            }
+        }), 'a=a b');
+        st.end();
+    });
+
+    t.test('serializeDate option', function (st) {
+        var date = new Date();
+        st.equal(
+            qs.stringify({ a: date }),
+            'a=' + date.toISOString().replace(/:/g, '%3A'),
+            'default is toISOString'
+        );
+
+        var mutatedDate = new Date();
+        mutatedDate.toISOString = function () {
+            throw new SyntaxError();
+        };
+        st['throws'](function () {
+            mutatedDate.toISOString();
+        }, SyntaxError);
+        st.equal(
+            qs.stringify({ a: mutatedDate }),
+            'a=' + Date.prototype.toISOString.call(mutatedDate).replace(/:/g, '%3A'),
+            'toISOString works even when method is not locally present'
+        );
+
+        var specificDate = new Date(6);
+        st.equal(
+            qs.stringify(
+                { a: specificDate },
+                { serializeDate: function (d) { return d.getTime() * 7; } }
+            ),
+            'a=42',
+            'custom serializeDate function called'
+        );
+
+        st.equal(
+            qs.stringify(
+                { a: [date] },
+                {
+                    serializeDate: function (d) { return d.getTime(); },
+                    arrayFormat: 'comma'
+                }
+            ),
+            'a=' + date.getTime(),
+            'works with arrayFormat comma'
+        );
+
+        st.end();
+    });
+
+    t.test('RFC 1738 serialization', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }, { format: qs.formats.RFC1738 }), 'a=b+c');
+        st.equal(qs.stringify({ 'a b': 'c d' }, { format: qs.formats.RFC1738 }), 'a+b=c+d');
+        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }, { format: qs.formats.RFC1738 }), 'a+b=a+b');
+
+        st.equal(qs.stringify({ 'foo(ref)': 'bar' }, { format: qs.formats.RFC1738 }), 'foo(ref)=bar');
+
+        st.end();
+    });
+
+    t.test('RFC 3986 spaces serialization', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }, { format: qs.formats.RFC3986 }), 'a=b%20c');
+        st.equal(qs.stringify({ 'a b': 'c d' }, { format: qs.formats.RFC3986 }), 'a%20b=c%20d');
+        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }, { format: qs.formats.RFC3986 }), 'a%20b=a%20b');
+
+        st.end();
+    });
+
+    t.test('Backward compatibility to RFC 3986', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
+        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }), 'a%20b=a%20b');
+
+        st.end();
+    });
+
+    t.test('Edge cases and unknown formats', function (st) {
+        ['UFO1234', false, 1234, null, {}, []].forEach(
+            function (format) {
+                st['throws'](
+                    function () {
+                        qs.stringify({ a: 'b c' }, { format: format });
+                    },
+                    new TypeError('Unknown format option provided.')
+                );
+            }
+        );
+        st.end();
+    });
+
+    t.test('encodeValuesOnly', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
+                { encodeValuesOnly: true }
+            ),
+            'a=b&c[0]=d&c[1]=e%3Df&f[0][0]=g&f[1][0]=h'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e'], f: [['g'], ['h']] }
+            ),
+            'a=b&c%5B0%5D=d&c%5B1%5D=e&f%5B0%5D%5B0%5D=g&f%5B1%5D%5B0%5D=h'
+        );
+        st.end();
+    });
+
+    t.test('encodeValuesOnly - strictNullHandling', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: { b: null } },
+                { encodeValuesOnly: true, strictNullHandling: true }
+            ),
+            'a[b]'
+        );
+        st.end();
+    });
+
+    t.test('throws if an invalid charset is specified', function (st) {
+        st['throws'](function () {
+            qs.stringify({ a: 'b' }, { charset: 'foobar' });
+        }, new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined'));
+        st.end();
+    });
+
+    t.test('respects a charset of iso-8859-1', function (st) {
+        st.equal(qs.stringify({ æ: 'æ' }, { charset: 'iso-8859-1' }), '%E6=%E6');
+        st.end();
+    });
+
+    t.test('encodes unrepresentable chars as numeric entities in iso-8859-1 mode', function (st) {
+        st.equal(qs.stringify({ a: '☺' }, { charset: 'iso-8859-1' }), 'a=%26%239786%3B');
+        st.end();
+    });
+
+    t.test('respects an explicit charset of utf-8 (the default)', function (st) {
+        st.equal(qs.stringify({ a: 'æ' }, { charset: 'utf-8' }), 'a=%C3%A6');
+        st.end();
+    });
+
+    t.test('adds the right sentinel when instructed to and the charset is utf-8', function (st) {
+        st.equal(qs.stringify({ a: 'æ' }, { charsetSentinel: true, charset: 'utf-8' }), 'utf8=%E2%9C%93&a=%C3%A6');
+        st.end();
+    });
+
+    t.test('adds the right sentinel when instructed to and the charset is iso-8859-1', function (st) {
+        st.equal(qs.stringify({ a: 'æ' }, { charsetSentinel: true, charset: 'iso-8859-1' }), 'utf8=%26%2310003%3B&a=%E6');
+        st.end();
+    });
+
+    t.test('does not mutate the options argument', function (st) {
+        var options = {};
+        qs.stringify({}, options);
+        st.deepEqual(options, {});
+        st.end();
+    });
+
+    t.test('strictNullHandling works with custom filter', function (st) {
+        var filter = function (prefix, value) {
+            return value;
+        };
+
+        var options = { strictNullHandling: true, filter: filter };
+        st.equal(qs.stringify({ key: null }, options), 'key');
+        st.end();
+    });
+
+    t.test('strictNullHandling works with null serializeDate', function (st) {
+        var serializeDate = function () {
+            return null;
+        };
+        var options = { strictNullHandling: true, serializeDate: serializeDate };
+        var date = new Date();
+        st.equal(qs.stringify({ key: date }, options), 'key');
+        st.end();
+    });
+
+    t.test('allows for encoding keys and values differently', function (st) {
+        var encoder = function (str, defaultEncoder, charset, type) {
+            if (type === 'key') {
+                return defaultEncoder(str, defaultEncoder, charset, type).toLowerCase();
+            }
+            if (type === 'value') {
+                return defaultEncoder(str, defaultEncoder, charset, type).toUpperCase();
+            }
+            throw 'this should never happen! type: ' + type;
+        };
+
+        st.deepEqual(qs.stringify({ KeY: 'vAlUe' }, { encoder: encoder }), 'key=VALUE');
+        st.end();
+    });
+
+    t.test('objects inside arrays', function (st) {
+        var obj = { a: { b: { c: 'd', e: 'f' } } };
+        var withArray = { a: { b: [{ c: 'd', e: 'f' }] } };
+
+        st.equal(qs.stringify(obj, { encode: false }), 'a[b][c]=d&a[b][e]=f', 'no array, no arrayFormat');
+        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'bracket' }), 'a[b][c]=d&a[b][e]=f', 'no array, bracket');
+        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'indices' }), 'a[b][c]=d&a[b][e]=f', 'no array, indices');
+        st.equal(qs.stringify(obj, { encode: false, arrayFormat: 'comma' }), 'a[b][c]=d&a[b][e]=f', 'no array, comma');
+
+        st.equal(qs.stringify(withArray, { encode: false }), 'a[b][0][c]=d&a[b][0][e]=f', 'array, no arrayFormat');
+        st.equal(qs.stringify(withArray, { encode: false, arrayFormat: 'bracket' }), 'a[b][0][c]=d&a[b][0][e]=f', 'array, bracket');
+        st.equal(qs.stringify(withArray, { encode: false, arrayFormat: 'indices' }), 'a[b][0][c]=d&a[b][0][e]=f', 'array, indices');
+        st.equal(
+            qs.stringify(withArray, { encode: false, arrayFormat: 'comma' }),
+            '???',
+            'array, comma',
+            { skip: 'TODO: figure out what this should do' }
+        );
+
+        st.end();
+    });
+
+    t.test('stringifies sparse arrays', function (st) {
+        /* eslint no-sparse-arrays: 0 */
+        st.equal(qs.stringify({ a: [, '2', , , '1'] }, { encodeValuesOnly: true }), 'a[1]=2&a[4]=1');
+        st.equal(qs.stringify({ a: [, { b: [, , { c: '1' }] }] }, { encodeValuesOnly: true }), 'a[1][b][2][c]=1');
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: '1' }]]] }, { encodeValuesOnly: true }), 'a[1][2][3][c]=1');
+        st.equal(qs.stringify({ a: [, [, , [, , , { c: [, '1'] }]]] }, { encodeValuesOnly: true }), 'a[1][2][3][c][1]=1');
+
+        st.end();
+    });
+
+    t.end();
+});
diff --git a/node_modules/qs/test/utils.js b/node_modules/qs/test/utils.js
new file mode 100644
index 000000000..aa84dfdc6
--- /dev/null
+++ b/node_modules/qs/test/utils.js
@@ -0,0 +1,136 @@
+'use strict';
+
+var test = require('tape');
+var inspect = require('object-inspect');
+var SaferBuffer = require('safer-buffer').Buffer;
+var forEach = require('for-each');
+var utils = require('../lib/utils');
+
+test('merge()', function (t) {
+    t.deepEqual(utils.merge(null, true), [null, true], 'merges true into null');
+
+    t.deepEqual(utils.merge(null, [42]), [null, 42], 'merges null into an array');
+
+    t.deepEqual(utils.merge({ a: 'b' }, { a: 'c' }), { a: ['b', 'c'] }, 'merges two objects with the same key');
+
+    var oneMerged = utils.merge({ foo: 'bar' }, { foo: { first: '123' } });
+    t.deepEqual(oneMerged, { foo: ['bar', { first: '123' }] }, 'merges a standalone and an object into an array');
+
+    var twoMerged = utils.merge({ foo: ['bar', { first: '123' }] }, { foo: { second: '456' } });
+    t.deepEqual(twoMerged, { foo: { 0: 'bar', 1: { first: '123' }, second: '456' } }, 'merges a standalone and two objects into an array');
+
+    var sandwiched = utils.merge({ foo: ['bar', { first: '123', second: '456' }] }, { foo: 'baz' });
+    t.deepEqual(sandwiched, { foo: ['bar', { first: '123', second: '456' }, 'baz'] }, 'merges an object sandwiched by two standalones into an array');
+
+    var nestedArrays = utils.merge({ foo: ['baz'] }, { foo: ['bar', 'xyzzy'] });
+    t.deepEqual(nestedArrays, { foo: ['baz', 'bar', 'xyzzy'] });
+
+    var noOptionsNonObjectSource = utils.merge({ foo: 'baz' }, 'bar');
+    t.deepEqual(noOptionsNonObjectSource, { foo: 'baz', bar: true });
+
+    t.test(
+        'avoids invoking array setters unnecessarily',
+        { skip: typeof Object.defineProperty !== 'function' },
+        function (st) {
+            var setCount = 0;
+            var getCount = 0;
+            var observed = [];
+            Object.defineProperty(observed, 0, {
+                get: function () {
+                    getCount += 1;
+                    return { bar: 'baz' };
+                },
+                set: function () { setCount += 1; }
+            });
+            utils.merge(observed, [null]);
+            st.equal(setCount, 0);
+            st.equal(getCount, 1);
+            observed[0] = observed[0]; // eslint-disable-line no-self-assign
+            st.equal(setCount, 1);
+            st.equal(getCount, 2);
+            st.end();
+        }
+    );
+
+    t.end();
+});
+
+test('assign()', function (t) {
+    var target = { a: 1, b: 2 };
+    var source = { b: 3, c: 4 };
+    var result = utils.assign(target, source);
+
+    t.equal(result, target, 'returns the target');
+    t.deepEqual(target, { a: 1, b: 3, c: 4 }, 'target and source are merged');
+    t.deepEqual(source, { b: 3, c: 4 }, 'source is untouched');
+
+    t.end();
+});
+
+test('combine()', function (t) {
+    t.test('both arrays', function (st) {
+        var a = [1];
+        var b = [2];
+        var combined = utils.combine(a, b);
+
+        st.deepEqual(a, [1], 'a is not mutated');
+        st.deepEqual(b, [2], 'b is not mutated');
+        st.notEqual(a, combined, 'a !== combined');
+        st.notEqual(b, combined, 'b !== combined');
+        st.deepEqual(combined, [1, 2], 'combined is a + b');
+
+        st.end();
+    });
+
+    t.test('one array, one non-array', function (st) {
+        var aN = 1;
+        var a = [aN];
+        var bN = 2;
+        var b = [bN];
+
+        var combinedAnB = utils.combine(aN, b);
+        st.deepEqual(b, [bN], 'b is not mutated');
+        st.notEqual(aN, combinedAnB, 'aN + b !== aN');
+        st.notEqual(a, combinedAnB, 'aN + b !== a');
+        st.notEqual(bN, combinedAnB, 'aN + b !== bN');
+        st.notEqual(b, combinedAnB, 'aN + b !== b');
+        st.deepEqual([1, 2], combinedAnB, 'first argument is array-wrapped when not an array');
+
+        var combinedABn = utils.combine(a, bN);
+        st.deepEqual(a, [aN], 'a is not mutated');
+        st.notEqual(aN, combinedABn, 'a + bN !== aN');
+        st.notEqual(a, combinedABn, 'a + bN !== a');
+        st.notEqual(bN, combinedABn, 'a + bN !== bN');
+        st.notEqual(b, combinedABn, 'a + bN !== b');
+        st.deepEqual([1, 2], combinedABn, 'second argument is array-wrapped when not an array');
+
+        st.end();
+    });
+
+    t.test('neither is an array', function (st) {
+        var combined = utils.combine(1, 2);
+        st.notEqual(1, combined, '1 + 2 !== 1');
+        st.notEqual(2, combined, '1 + 2 !== 2');
+        st.deepEqual([1, 2], combined, 'both arguments are array-wrapped when not an array');
+
+        st.end();
+    });
+
+    t.end();
+});
+
+test('isBuffer()', function (t) {
+    forEach([null, undefined, true, false, '', 'abc', 42, 0, NaN, {}, [], function () {}, /a/g], function (x) {
+        t.equal(utils.isBuffer(x), false, inspect(x) + ' is not a buffer');
+    });
+
+    var fakeBuffer = { constructor: Buffer };
+    t.equal(utils.isBuffer(fakeBuffer), false, 'fake buffer is not a buffer');
+
+    var saferBuffer = SaferBuffer.from('abc');
+    t.equal(utils.isBuffer(saferBuffer), true, 'SaferBuffer instance is a buffer');
+
+    var buffer = Buffer.from && Buffer.alloc ? Buffer.from('abc') : new Buffer('abc');
+    t.equal(utils.isBuffer(buffer), true, 'real Buffer instance is a buffer');
+    t.end();
+});
diff --git a/node_modules/range-parser/HISTORY.md b/node_modules/range-parser/HISTORY.md
new file mode 100644
index 000000000..70a973d80
--- /dev/null
+++ b/node_modules/range-parser/HISTORY.md
@@ -0,0 +1,56 @@
+1.2.1 / 2019-05-10
+==================
+
+  * Improve error when `str` is not a string
+
+1.2.0 / 2016-06-01
+==================
+
+  * Add `combine` option to combine overlapping ranges
+
+1.1.0 / 2016-05-13
+==================
+
+  * Fix incorrectly returning -1 when there is at least one valid range
+  * perf: remove internal function
+
+1.0.3 / 2015-10-29
+==================
+
+  * perf: enable strict mode
+
+1.0.2 / 2014-09-08
+==================
+
+  * Support Node.js 0.6
+
+1.0.1 / 2014-09-07
+==================
+
+  * Move repository to jshttp
+
+1.0.0 / 2013-12-11
+==================
+
+  * Add repository to package.json
+  * Add MIT license
+
+0.0.4 / 2012-06-17
+==================
+
+  * Change ret -1 for unsatisfiable and -2 when invalid
+
+0.0.3 / 2012-06-17
+==================
+
+  * Fix last-byte-pos default to len - 1
+
+0.0.2 / 2012-06-14
+==================
+
+  * Add `.type`
+
+0.0.1 / 2012-06-11
+==================
+
+  * Initial release
diff --git a/node_modules/range-parser/LICENSE b/node_modules/range-parser/LICENSE
new file mode 100644
index 000000000..359995436
--- /dev/null
+++ b/node_modules/range-parser/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2012-2014 TJ Holowaychuk <tj@vision-media.ca>
+Copyright (c) 2015-2016 Douglas Christopher Wilson <doug@somethingdoug.com
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/range-parser/README.md b/node_modules/range-parser/README.md
new file mode 100644
index 000000000..c247e826e
--- /dev/null
+++ b/node_modules/range-parser/README.md
@@ -0,0 +1,84 @@
+# range-parser
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-image]][node-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Range header field parser.
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install range-parser
+```
+
+## API
+
+<!-- eslint-disable no-unused-vars -->
+
+```js
+var parseRange = require('range-parser')
+```
+
+### parseRange(size, header, options)
+
+Parse the given `header` string where `size` is the maximum size of the resource.
+An array of ranges will be returned or negative numbers indicating an error parsing.
+
+  * `-2` signals a malformed header string
+  * `-1` signals an unsatisfiable range
+
+<!-- eslint-disable no-undef -->
+
+```js
+// parse header from request
+var range = parseRange(size, req.headers.range)
+
+// the type of the range
+if (range.type === 'bytes') {
+  // the ranges
+  range.forEach(function (r) {
+    // do something with r.start and r.end
+  })
+}
+```
+
+#### Options
+
+These properties are accepted in the options object.
+
+##### combine
+
+Specifies if overlapping & adjacent ranges should be combined, defaults to `false`.
+When `true`, ranges will be combined and returned as if they were specified that
+way in the header.
+
+<!-- eslint-disable no-undef -->
+
+```js
+parseRange(100, 'bytes=50-55,0-10,5-10,56-60', { combine: true })
+// => [
+//      { start: 0,  end: 10 },
+//      { start: 50, end: 60 }
+//    ]
+```
+
+## License
+
+[MIT](LICENSE)
+
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/range-parser/master
+[coveralls-url]: https://coveralls.io/r/jshttp/range-parser?branch=master
+[node-image]: https://badgen.net/npm/node/range-parser
+[node-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/range-parser
+[npm-url]: https://npmjs.org/package/range-parser
+[npm-version-image]: https://badgen.net/npm/v/range-parser
+[travis-image]: https://badgen.net/travis/jshttp/range-parser/master
+[travis-url]: https://travis-ci.org/jshttp/range-parser
diff --git a/node_modules/range-parser/index.js b/node_modules/range-parser/index.js
new file mode 100644
index 000000000..b7dc5c0f1
--- /dev/null
+++ b/node_modules/range-parser/index.js
@@ -0,0 +1,162 @@
+/*!
+ * range-parser
+ * Copyright(c) 2012-2014 TJ Holowaychuk
+ * Copyright(c) 2015-2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = rangeParser
+
+/**
+ * Parse "Range" header `str` relative to the given file `size`.
+ *
+ * @param {Number} size
+ * @param {String} str
+ * @param {Object} [options]
+ * @return {Array}
+ * @public
+ */
+
+function rangeParser (size, str, options) {
+  if (typeof str !== 'string') {
+    throw new TypeError('argument str must be a string')
+  }
+
+  var index = str.indexOf('=')
+
+  if (index === -1) {
+    return -2
+  }
+
+  // split the range string
+  var arr = str.slice(index + 1).split(',')
+  var ranges = []
+
+  // add ranges type
+  ranges.type = str.slice(0, index)
+
+  // parse all ranges
+  for (var i = 0; i < arr.length; i++) {
+    var range = arr[i].split('-')
+    var start = parseInt(range[0], 10)
+    var end = parseInt(range[1], 10)
+
+    // -nnn
+    if (isNaN(start)) {
+      start = size - end
+      end = size - 1
+    // nnn-
+    } else if (isNaN(end)) {
+      end = size - 1
+    }
+
+    // limit last-byte-pos to current length
+    if (end > size - 1) {
+      end = size - 1
+    }
+
+    // invalid or unsatisifiable
+    if (isNaN(start) || isNaN(end) || start > end || start < 0) {
+      continue
+    }
+
+    // add range
+    ranges.push({
+      start: start,
+      end: end
+    })
+  }
+
+  if (ranges.length < 1) {
+    // unsatisifiable
+    return -1
+  }
+
+  return options && options.combine
+    ? combineRanges(ranges)
+    : ranges
+}
+
+/**
+ * Combine overlapping & adjacent ranges.
+ * @private
+ */
+
+function combineRanges (ranges) {
+  var ordered = ranges.map(mapWithIndex).sort(sortByRangeStart)
+
+  for (var j = 0, i = 1; i < ordered.length; i++) {
+    var range = ordered[i]
+    var current = ordered[j]
+
+    if (range.start > current.end + 1) {
+      // next range
+      ordered[++j] = range
+    } else if (range.end > current.end) {
+      // extend range
+      current.end = range.end
+      current.index = Math.min(current.index, range.index)
+    }
+  }
+
+  // trim ordered array
+  ordered.length = j + 1
+
+  // generate combined range
+  var combined = ordered.sort(sortByRangeIndex).map(mapWithoutIndex)
+
+  // copy ranges type
+  combined.type = ranges.type
+
+  return combined
+}
+
+/**
+ * Map function to add index value to ranges.
+ * @private
+ */
+
+function mapWithIndex (range, index) {
+  return {
+    start: range.start,
+    end: range.end,
+    index: index
+  }
+}
+
+/**
+ * Map function to remove index value from ranges.
+ * @private
+ */
+
+function mapWithoutIndex (range) {
+  return {
+    start: range.start,
+    end: range.end
+  }
+}
+
+/**
+ * Sort function to sort ranges by index.
+ * @private
+ */
+
+function sortByRangeIndex (a, b) {
+  return a.index - b.index
+}
+
+/**
+ * Sort function to sort ranges by start position.
+ * @private
+ */
+
+function sortByRangeStart (a, b) {
+  return a.start - b.start
+}
diff --git a/node_modules/range-parser/package.json b/node_modules/range-parser/package.json
new file mode 100644
index 000000000..abea6d852
--- /dev/null
+++ b/node_modules/range-parser/package.json
@@ -0,0 +1,44 @@
+{
+  "name": "range-parser",
+  "author": "TJ Holowaychuk <tj@vision-media.ca> (http://tjholowaychuk.com)",
+  "description": "Range header field string parser",
+  "version": "1.2.1",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "James Wyatt Cready <wyatt.cready@lanetix.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "license": "MIT",
+  "keywords": [
+    "range",
+    "parser",
+    "http"
+  ],
+  "repository": "jshttp/range-parser",
+  "devDependencies": {
+    "deep-equal": "1.0.1",
+    "eslint": "5.16.0",
+    "eslint-config-standard": "12.0.0",
+    "eslint-plugin-markdown": "1.0.0",
+    "eslint-plugin-import": "2.17.2",
+    "eslint-plugin-node": "8.0.1",
+    "eslint-plugin-promise": "4.1.1",
+    "eslint-plugin-standard": "4.0.0",
+    "mocha": "6.1.4",
+    "nyc": "14.1.1"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "scripts": {
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --reporter spec",
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "test-travis": "nyc --reporter=text npm test"
+  }
+}
diff --git a/node_modules/raw-body/HISTORY.md b/node_modules/raw-body/HISTORY.md
new file mode 100644
index 000000000..0b6b83739
--- /dev/null
+++ b/node_modules/raw-body/HISTORY.md
@@ -0,0 +1,303 @@
+2.5.1 / 2022-02-28
+==================
+
+  * Fix error on early async hooks implementations
+
+2.5.0 / 2022-02-21
+==================
+
+  * Prevent loss of async hooks context
+  * Prevent hanging when stream is not readable
+  * deps: http-errors@2.0.0
+    - deps: depd@2.0.0
+    - deps: statuses@2.0.1
+
+2.4.3 / 2022-02-14
+==================
+
+  * deps: bytes@3.1.2
+
+2.4.2 / 2021-11-16
+==================
+
+  * deps: bytes@3.1.1
+  * deps: http-errors@1.8.1
+    - deps: setprototypeof@1.2.0
+    - deps: toidentifier@1.0.1
+
+2.4.1 / 2019-06-25
+==================
+
+  * deps: http-errors@1.7.3
+    - deps: inherits@2.0.4
+
+2.4.0 / 2019-04-17
+==================
+
+  * deps: bytes@3.1.0
+    - Add petabyte (`pb`) support
+  * deps: http-errors@1.7.2
+    - Set constructor name when possible
+    - deps: setprototypeof@1.1.1
+    - deps: statuses@'>= 1.5.0 < 2'
+  * deps: iconv-lite@0.4.24
+    - Added encoding MIK
+
+2.3.3 / 2018-05-08
+==================
+
+  * deps: http-errors@1.6.3
+    - deps: depd@~1.1.2
+    - deps: setprototypeof@1.1.0
+    - deps: statuses@'>= 1.3.1 < 2'
+  * deps: iconv-lite@0.4.23
+    - Fix loading encoding with year appended
+    - Fix deprecation warnings on Node.js 10+
+
+2.3.2 / 2017-09-09
+==================
+
+  * deps: iconv-lite@0.4.19
+    - Fix ISO-8859-1 regression
+    - Update Windows-1255
+
+2.3.1 / 2017-09-07
+==================
+
+  * deps: bytes@3.0.0
+  * deps: http-errors@1.6.2
+    - deps: depd@1.1.1
+  * perf: skip buffer decoding on overage chunk
+
+2.3.0 / 2017-08-04
+==================
+
+  * Add TypeScript definitions
+  * Use `http-errors` for standard emitted errors
+  * deps: bytes@2.5.0
+  * deps: iconv-lite@0.4.18
+    - Add support for React Native
+    - Add a warning if not loaded as utf-8
+    - Fix CESU-8 decoding in Node.js 8
+    - Improve speed of ISO-8859-1 encoding
+
+2.2.0 / 2017-01-02
+==================
+
+  * deps: iconv-lite@0.4.15
+    - Added encoding MS-31J
+    - Added encoding MS-932
+    - Added encoding MS-936
+    - Added encoding MS-949
+    - Added encoding MS-950
+    - Fix GBK/GB18030 handling of Euro character
+
+2.1.7 / 2016-06-19
+==================
+
+  * deps: bytes@2.4.0
+  * perf: remove double-cleanup on happy path
+
+2.1.6 / 2016-03-07
+==================
+
+  * deps: bytes@2.3.0
+    - Drop partial bytes on all parsed units
+    - Fix parsing byte string that looks like hex
+
+2.1.5 / 2015-11-30
+==================
+
+  * deps: bytes@2.2.0
+  * deps: iconv-lite@0.4.13
+
+2.1.4 / 2015-09-27
+==================
+
+  * Fix masking critical errors from `iconv-lite`
+  * deps: iconv-lite@0.4.12
+    - Fix CESU-8 decoding in Node.js 4.x
+
+2.1.3 / 2015-09-12
+==================
+
+  * Fix sync callback when attaching data listener causes sync read
+    - Node.js 0.10 compatibility issue
+
+2.1.2 / 2015-07-05
+==================
+
+  * Fix error stack traces to skip `makeError`
+  * deps: iconv-lite@0.4.11
+    - Add encoding CESU-8
+
+2.1.1 / 2015-06-14
+==================
+
+  * Use `unpipe` module for unpiping requests
+
+2.1.0 / 2015-05-28
+==================
+
+  * deps: iconv-lite@0.4.10
+    - Improved UTF-16 endianness detection
+    - Leading BOM is now removed when decoding
+    - The encoding UTF-16 without BOM now defaults to UTF-16LE when detection fails
+
+2.0.2 / 2015-05-21
+==================
+
+  * deps: bytes@2.1.0
+    - Slight optimizations
+
+2.0.1 / 2015-05-10
+==================
+
+  * Fix a false-positive when unpiping in Node.js 0.8
+
+2.0.0 / 2015-05-08
+==================
+
+  * Return a promise without callback instead of thunk
+  * deps: bytes@2.0.1
+    - units no longer case sensitive when parsing
+
+1.3.4 / 2015-04-15
+==================
+
+  * Fix hanging callback if request aborts during read
+  * deps: iconv-lite@0.4.8
+    - Add encoding alias UNICODE-1-1-UTF-7
+
+1.3.3 / 2015-02-08
+==================
+
+  * deps: iconv-lite@0.4.7
+    - Gracefully support enumerables on `Object.prototype`
+
+1.3.2 / 2015-01-20
+==================
+
+  * deps: iconv-lite@0.4.6
+    - Fix rare aliases of single-byte encodings
+
+1.3.1 / 2014-11-21
+==================
+
+  * deps: iconv-lite@0.4.5
+    - Fix Windows-31J and X-SJIS encoding support
+
+1.3.0 / 2014-07-20
+==================
+
+  * Fully unpipe the stream on error
+    - Fixes `Cannot switch to old mode now` error on Node.js 0.10+
+
+1.2.3 / 2014-07-20
+==================
+
+  * deps: iconv-lite@0.4.4
+    - Added encoding UTF-7
+
+1.2.2 / 2014-06-19
+==================
+
+  * Send invalid encoding error to callback
+
+1.2.1 / 2014-06-15
+==================
+
+  * deps: iconv-lite@0.4.3
+    - Added encodings UTF-16BE and UTF-16 with BOM
+
+1.2.0 / 2014-06-13
+==================
+
+  * Passing string as `options` interpreted as encoding
+  * Support all encodings from `iconv-lite`
+
+1.1.7 / 2014-06-12
+==================
+
+  * use `string_decoder` module from npm
+
+1.1.6 / 2014-05-27
+==================
+
+  * check encoding for old streams1
+  * support node.js < 0.10.6
+
+1.1.5 / 2014-05-14
+==================
+
+  * bump bytes
+
+1.1.4 / 2014-04-19
+==================
+
+  * allow true as an option
+  * bump bytes
+
+1.1.3 / 2014-03-02
+==================
+
+  * fix case when length=null
+
+1.1.2 / 2013-12-01
+==================
+
+  * be less strict on state.encoding check
+
+1.1.1 / 2013-11-27
+==================
+
+  * add engines
+
+1.1.0 / 2013-11-27
+==================
+
+  * add err.statusCode and err.type
+  * allow for encoding option to be true
+  * pause the stream instead of dumping on error
+  * throw if the stream's encoding is set
+
+1.0.1 / 2013-11-19
+==================
+
+  * dont support streams1, throw if dev set encoding
+
+1.0.0 / 2013-11-17
+==================
+
+  * rename `expected` option to `length`
+
+0.2.0 / 2013-11-15
+==================
+
+  * republish
+
+0.1.1 / 2013-11-15
+==================
+
+  * use bytes
+
+0.1.0 / 2013-11-11
+==================
+
+  * generator support
+
+0.0.3 / 2013-10-10
+==================
+
+  * update repo
+
+0.0.2 / 2013-09-14
+==================
+
+  * dump stream on bad headers
+  * listen to events after defining received and buffers
+
+0.0.1 / 2013-09-14
+==================
+
+  * Initial release
diff --git a/node_modules/raw-body/LICENSE b/node_modules/raw-body/LICENSE
new file mode 100644
index 000000000..1029a7a7c
--- /dev/null
+++ b/node_modules/raw-body/LICENSE
@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2013-2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2014-2022 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/raw-body/README.md b/node_modules/raw-body/README.md
new file mode 100644
index 000000000..695c66073
--- /dev/null
+++ b/node_modules/raw-body/README.md
@@ -0,0 +1,223 @@
+# raw-body
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build status][github-actions-ci-image]][github-actions-ci-url]
+[![Test coverage][coveralls-image]][coveralls-url]
+
+Gets the entire buffer of a stream either as a `Buffer` or a string.
+Validates the stream's length against an expected length and maximum limit.
+Ideal for parsing request bodies.
+
+## Install
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install raw-body
+```
+
+### TypeScript
+
+This module includes a [TypeScript](https://www.typescriptlang.org/)
+declaration file to enable auto complete in compatible editors and type
+information for TypeScript projects. This module depends on the Node.js
+types, so install `@types/node`:
+
+```sh
+$ npm install @types/node
+```
+
+## API
+
+```js
+var getRawBody = require('raw-body')
+```
+
+### getRawBody(stream, [options], [callback])
+
+**Returns a promise if no callback specified and global `Promise` exists.**
+
+Options:
+
+- `length` - The length of the stream.
+  If the contents of the stream do not add up to this length,
+  an `400` error code is returned.
+- `limit` - The byte limit of the body.
+  This is the number of bytes or any string format supported by
+  [bytes](https://www.npmjs.com/package/bytes),
+  for example `1000`, `'500kb'` or `'3mb'`.
+  If the body ends up being larger than this limit,
+  a `413` error code is returned.
+- `encoding` - The encoding to use to decode the body into a string.
+  By default, a `Buffer` instance will be returned when no encoding is specified.
+  Most likely, you want `utf-8`, so setting `encoding` to `true` will decode as `utf-8`.
+  You can use any type of encoding supported by [iconv-lite](https://www.npmjs.org/package/iconv-lite#readme).
+
+You can also pass a string in place of options to just specify the encoding.
+
+If an error occurs, the stream will be paused, everything unpiped,
+and you are responsible for correctly disposing the stream.
+For HTTP requests, you may need to finish consuming the stream if
+you want to keep the socket open for future requests. For streams
+that use file descriptors, you should `stream.destroy()` or
+`stream.close()` to prevent leaks.
+
+## Errors
+
+This module creates errors depending on the error condition during reading.
+The error may be an error from the underlying Node.js implementation, but is
+otherwise an error created by this module, which has the following attributes:
+
+  * `limit` - the limit in bytes
+  * `length` and `expected` - the expected length of the stream
+  * `received` - the received bytes
+  * `encoding` - the invalid encoding
+  * `status` and `statusCode` - the corresponding status code for the error
+  * `type` - the error type
+
+### Types
+
+The errors from this module have a `type` property which allows for the programmatic
+determination of the type of error returned.
+
+#### encoding.unsupported
+
+This error will occur when the `encoding` option is specified, but the value does
+not map to an encoding supported by the [iconv-lite](https://www.npmjs.org/package/iconv-lite#readme)
+module.
+
+#### entity.too.large
+
+This error will occur when the `limit` option is specified, but the stream has
+an entity that is larger.
+
+#### request.aborted
+
+This error will occur when the request stream is aborted by the client before
+reading the body has finished.
+
+#### request.size.invalid
+
+This error will occur when the `length` option is specified, but the stream has
+emitted more bytes.
+
+#### stream.encoding.set
+
+This error will occur when the given stream has an encoding set on it, making it
+a decoded stream. The stream should not have an encoding set and is expected to
+emit `Buffer` objects.
+
+#### stream.not.readable
+
+This error will occur when the given stream is not readable.
+
+## Examples
+
+### Simple Express example
+
+```js
+var contentType = require('content-type')
+var express = require('express')
+var getRawBody = require('raw-body')
+
+var app = express()
+
+app.use(function (req, res, next) {
+  getRawBody(req, {
+    length: req.headers['content-length'],
+    limit: '1mb',
+    encoding: contentType.parse(req).parameters.charset
+  }, function (err, string) {
+    if (err) return next(err)
+    req.text = string
+    next()
+  })
+})
+
+// now access req.text
+```
+
+### Simple Koa example
+
+```js
+var contentType = require('content-type')
+var getRawBody = require('raw-body')
+var koa = require('koa')
+
+var app = koa()
+
+app.use(function * (next) {
+  this.text = yield getRawBody(this.req, {
+    length: this.req.headers['content-length'],
+    limit: '1mb',
+    encoding: contentType.parse(this.req).parameters.charset
+  })
+  yield next
+})
+
+// now access this.text
+```
+
+### Using as a promise
+
+To use this library as a promise, simply omit the `callback` and a promise is
+returned, provided that a global `Promise` is defined.
+
+```js
+var getRawBody = require('raw-body')
+var http = require('http')
+
+var server = http.createServer(function (req, res) {
+  getRawBody(req)
+    .then(function (buf) {
+      res.statusCode = 200
+      res.end(buf.length + ' bytes submitted')
+    })
+    .catch(function (err) {
+      res.statusCode = 500
+      res.end(err.message)
+    })
+})
+
+server.listen(3000)
+```
+
+### Using with TypeScript
+
+```ts
+import * as getRawBody from 'raw-body';
+import * as http from 'http';
+
+const server = http.createServer((req, res) => {
+  getRawBody(req)
+  .then((buf) => {
+    res.statusCode = 200;
+    res.end(buf.length + ' bytes submitted');
+  })
+  .catch((err) => {
+    res.statusCode = err.statusCode;
+    res.end(err.message);
+  });
+});
+
+server.listen(3000);
+```
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/raw-body.svg
+[npm-url]: https://npmjs.org/package/raw-body
+[node-version-image]: https://img.shields.io/node/v/raw-body.svg
+[node-version-url]: https://nodejs.org/en/download/
+[coveralls-image]: https://img.shields.io/coveralls/stream-utils/raw-body/master.svg
+[coveralls-url]: https://coveralls.io/r/stream-utils/raw-body?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/raw-body.svg
+[downloads-url]: https://npmjs.org/package/raw-body
+[github-actions-ci-image]: https://img.shields.io/github/workflow/status/stream-utils/raw-body/ci/master?label=ci
+[github-actions-ci-url]: https://github.com/jshttp/stream-utils/raw-body?query=workflow%3Aci
diff --git a/node_modules/raw-body/SECURITY.md b/node_modules/raw-body/SECURITY.md
new file mode 100644
index 000000000..2421efc4b
--- /dev/null
+++ b/node_modules/raw-body/SECURITY.md
@@ -0,0 +1,24 @@
+# Security Policies and Procedures
+
+## Reporting a Bug
+
+The `raw-body` team and community take all security bugs seriously. Thank you
+for improving the security of Express. We appreciate your efforts and
+responsible disclosure and will make every effort to acknowledge your
+contributions.
+
+Report security bugs by emailing the current owners of `raw-body`. This information
+can be found in the npm registry using the command `npm owner ls raw-body`.
+If unsure or unable to get the information from the above, open an issue
+in the [project issue tracker](https://github.com/stream-utils/raw-body/issues)
+asking for the current contact information.
+
+To ensure the timely response to your report, please ensure that the entirety
+of the report is contained within the email body and not solely behind a web
+link or an attachment.
+
+At least one owner will acknowledge your email within 48 hours, and will send a
+more detailed response within 48 hours indicating the next steps in handling
+your report. After the initial reply to your report, the owners will
+endeavor to keep you informed of the progress towards a fix and full
+announcement, and may ask for additional information or guidance.
diff --git a/node_modules/raw-body/index.d.ts b/node_modules/raw-body/index.d.ts
new file mode 100644
index 000000000..dcbbebd4c
--- /dev/null
+++ b/node_modules/raw-body/index.d.ts
@@ -0,0 +1,87 @@
+import { Readable } from 'stream';
+
+declare namespace getRawBody {
+  export type Encoding = string | true;
+
+  export interface Options {
+    /**
+     * The expected length of the stream.
+     */
+    length?: number | string | null;
+    /**
+     * The byte limit of the body. This is the number of bytes or any string
+     * format supported by `bytes`, for example `1000`, `'500kb'` or `'3mb'`.
+     */
+    limit?: number | string | null;
+    /**
+     * The encoding to use to decode the body into a string. By default, a
+     * `Buffer` instance will be returned when no encoding is specified. Most
+     * likely, you want `utf-8`, so setting encoding to `true` will decode as
+     * `utf-8`. You can use any type of encoding supported by `iconv-lite`.
+     */
+    encoding?: Encoding | null;
+  }
+
+  export interface RawBodyError extends Error {
+    /**
+     * The limit in bytes.
+     */
+    limit?: number;
+    /**
+     * The expected length of the stream.
+     */
+    length?: number;
+    expected?: number;
+    /**
+     * The received bytes.
+     */
+    received?: number;
+    /**
+     * The encoding.
+     */
+    encoding?: string;
+    /**
+     * The corresponding status code for the error.
+     */
+    status: number;
+    statusCode: number;
+    /**
+     * The error type.
+     */
+    type: string;
+  }
+}
+
+/**
+ * Gets the entire buffer of a stream either as a `Buffer` or a string.
+ * Validates the stream's length against an expected length and maximum
+ * limit. Ideal for parsing request bodies.
+ */
+declare function getRawBody(
+  stream: Readable,
+  callback: (err: getRawBody.RawBodyError, body: Buffer) => void
+): void;
+
+declare function getRawBody(
+  stream: Readable,
+  options: (getRawBody.Options & { encoding: getRawBody.Encoding }) | getRawBody.Encoding,
+  callback: (err: getRawBody.RawBodyError, body: string) => void
+): void;
+
+declare function getRawBody(
+  stream: Readable,
+  options: getRawBody.Options,
+  callback: (err: getRawBody.RawBodyError, body: Buffer) => void
+): void;
+
+declare function getRawBody(
+  stream: Readable,
+  options: (getRawBody.Options & { encoding: getRawBody.Encoding }) | getRawBody.Encoding
+): Promise<string>;
+
+declare function getRawBody(
+  stream: Readable,
+  options?: getRawBody.Options
+): Promise<Buffer>;
+
+export = getRawBody;
diff --git a/node_modules/raw-body/index.js b/node_modules/raw-body/index.js
new file mode 100644
index 000000000..a8f537f38
--- /dev/null
+++ b/node_modules/raw-body/index.js
@@ -0,0 +1,329 @@
+/*!
+ * raw-body
+ * Copyright(c) 2013-2014 Jonathan Ong
+ * Copyright(c) 2014-2022 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var asyncHooks = tryRequireAsyncHooks()
+var bytes = require('bytes')
+var createError = require('http-errors')
+var iconv = require('iconv-lite')
+var unpipe = require('unpipe')
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = getRawBody
+
+/**
+ * Module variables.
+ * @private
+ */
+
+var ICONV_ENCODING_MESSAGE_REGEXP = /^Encoding not recognized: /
+
+/**
+ * Get the decoder for a given encoding.
+ *
+ * @param {string} encoding
+ * @private
+ */
+
+function getDecoder (encoding) {
+  if (!encoding) return null
+
+  try {
+    return iconv.getDecoder(encoding)
+  } catch (e) {
+    // error getting decoder
+    if (!ICONV_ENCODING_MESSAGE_REGEXP.test(e.message)) throw e
+
+    // the encoding was not found
+    throw createError(415, 'specified encoding unsupported', {
+      encoding: encoding,
+      type: 'encoding.unsupported'
+    })
+  }
+}
+
+/**
+ * Get the raw body of a stream (typically HTTP).
+ *
+ * @param {object} stream
+ * @param {object|string|function} [options]
+ * @param {function} [callback]
+ * @public
+ */
+
+function getRawBody (stream, options, callback) {
+  var done = callback
+  var opts = options || {}
+
+  if (options === true || typeof options === 'string') {
+    // short cut for encoding
+    opts = {
+      encoding: options
+    }
+  }
+
+  if (typeof options === 'function') {
+    done = options
+    opts = {}
+  }
+
+  // validate callback is a function, if provided
+  if (done !== undefined && typeof done !== 'function') {
+    throw new TypeError('argument callback must be a function')
+  }
+
+  // require the callback without promises
+  if (!done && !global.Promise) {
+    throw new TypeError('argument callback is required')
+  }
+
+  // get encoding
+  var encoding = opts.encoding !== true
+    ? opts.encoding
+    : 'utf-8'
+
+  // convert the limit to an integer
+  var limit = bytes.parse(opts.limit)
+
+  // convert the expected length to an integer
+  var length = opts.length != null && !isNaN(opts.length)
+    ? parseInt(opts.length, 10)
+    : null
+
+  if (done) {
+    // classic callback style
+    return readStream(stream, encoding, length, limit, wrap(done))
+  }
+
+  return new Promise(function executor (resolve, reject) {
+    readStream(stream, encoding, length, limit, function onRead (err, buf) {
+      if (err) return reject(err)
+      resolve(buf)
+    })
+  })
+}
+
+/**
+ * Halt a stream.
+ *
+ * @param {Object} stream
+ * @private
+ */
+
+function halt (stream) {
+  // unpipe everything from the stream
+  unpipe(stream)
+
+  // pause stream
+  if (typeof stream.pause === 'function') {
+    stream.pause()
+  }
+}
+
+/**
+ * Read the data from the stream.
+ *
+ * @param {object} stream
+ * @param {string} encoding
+ * @param {number} length
+ * @param {number} limit
+ * @param {function} callback
+ * @public
+ */
+
+function readStream (stream, encoding, length, limit, callback) {
+  var complete = false
+  var sync = true
+
+  // check the length and limit options.
+  // note: we intentionally leave the stream paused,
+  // so users should handle the stream themselves.
+  if (limit !== null && length !== null && length > limit) {
+    return done(createError(413, 'request entity too large', {
+      expected: length,
+      length: length,
+      limit: limit,
+      type: 'entity.too.large'
+    }))
+  }
+
+  // streams1: assert request encoding is buffer.
+  // streams2+: assert the stream encoding is buffer.
+  //   stream._decoder: streams1
+  //   state.encoding: streams2
+  //   state.decoder: streams2, specifically < 0.10.6
+  var state = stream._readableState
+  if (stream._decoder || (state && (state.encoding || state.decoder))) {
+    // developer error
+    return done(createError(500, 'stream encoding should not be set', {
+      type: 'stream.encoding.set'
+    }))
+  }
+
+  if (typeof stream.readable !== 'undefined' && !stream.readable) {
+    return done(createError(500, 'stream is not readable', {
+      type: 'stream.not.readable'
+    }))
+  }
+
+  var received = 0
+  var decoder
+
+  try {
+    decoder = getDecoder(encoding)
+  } catch (err) {
+    return done(err)
+  }
+
+  var buffer = decoder
+    ? ''
+    : []
+
+  // attach listeners
+  stream.on('aborted', onAborted)
+  stream.on('close', cleanup)
+  stream.on('data', onData)
+  stream.on('end', onEnd)
+  stream.on('error', onEnd)
+
+  // mark sync section complete
+  sync = false
+
+  function done () {
+    var args = new Array(arguments.length)
+
+    // copy arguments
+    for (var i = 0; i < args.length; i++) {
+      args[i] = arguments[i]
+    }
+
+    // mark complete
+    complete = true
+
+    if (sync) {
+      process.nextTick(invokeCallback)
+    } else {
+      invokeCallback()
+    }
+
+    function invokeCallback () {
+      cleanup()
+
+      if (args[0]) {
+        // halt the stream on error
+        halt(stream)
+      }
+
+      callback.apply(null, args)
+    }
+  }
+
+  function onAborted () {
+    if (complete) return
+
+    done(createError(400, 'request aborted', {
+      code: 'ECONNABORTED',
+      expected: length,
+      length: length,
+      received: received,
+      type: 'request.aborted'
+    }))
+  }
+
+  function onData (chunk) {
+    if (complete) return
+
+    received += chunk.length
+
+    if (limit !== null && received > limit) {
+      done(createError(413, 'request entity too large', {
+        limit: limit,
+        received: received,
+        type: 'entity.too.large'
+      }))
+    } else if (decoder) {
+      buffer += decoder.write(chunk)
+    } else {
+      buffer.push(chunk)
+    }
+  }
+
+  function onEnd (err) {
+    if (complete) return
+    if (err) return done(err)
+
+    if (length !== null && received !== length) {
+      done(createError(400, 'request size did not match content length', {
+        expected: length,
+        length: length,
+        received: received,
+        type: 'request.size.invalid'
+      }))
+    } else {
+      var string = decoder
+        ? buffer + (decoder.end() || '')
+        : Buffer.concat(buffer)
+      done(null, string)
+    }
+  }
+
+  function cleanup () {
+    buffer = null
+
+    stream.removeListener('aborted', onAborted)
+    stream.removeListener('data', onData)
+    stream.removeListener('end', onEnd)
+    stream.removeListener('error', onEnd)
+    stream.removeListener('close', cleanup)
+  }
+}
+
+/**
+ * Try to require async_hooks
+ * @private
+ */
+
+function tryRequireAsyncHooks () {
+  try {
+    return require('async_hooks')
+  } catch (e) {
+    return {}
+  }
+}
+
+/**
+ * Wrap function with async resource, if possible.
+ * AsyncResource.bind static method backported.
+ * @private
+ */
+
+function wrap (fn) {
+  var res
+
+  // create anonymous resource
+  if (asyncHooks.AsyncResource) {
+    res = new asyncHooks.AsyncResource(fn.name || 'bound-anonymous-fn')
+  }
+
+  // incompatible node.js
+  if (!res || !res.runInAsyncScope) {
+    return fn
+  }
+
+  // return bound function
+  return res.runInAsyncScope.bind(res, fn, null)
+}
diff --git a/node_modules/raw-body/package.json b/node_modules/raw-body/package.json
new file mode 100644
index 000000000..50fc90ad4
--- /dev/null
+++ b/node_modules/raw-body/package.json
@@ -0,0 +1,49 @@
+{
+  "name": "raw-body",
+  "description": "Get and validate the raw body of a readable stream.",
+  "version": "2.5.1",
+  "author": "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Raynos <raynos2@gmail.com>"
+  ],
+  "license": "MIT",
+  "repository": "stream-utils/raw-body",
+  "dependencies": {
+    "bytes": "3.1.2",
+    "http-errors": "2.0.0",
+    "iconv-lite": "0.4.24",
+    "unpipe": "1.0.0"
+  },
+  "devDependencies": {
+    "bluebird": "3.7.2",
+    "eslint": "7.32.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.25.4",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "5.2.0",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "9.2.1",
+    "nyc": "15.1.0",
+    "readable-stream": "2.3.7",
+    "safe-buffer": "5.2.1"
+  },
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "README.md",
+    "SECURITY.md",
+    "index.d.ts",
+    "index.js"
+  ],
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --trace-deprecation --reporter spec --bail --check-leaks test/",
+    "test-ci": "nyc --reporter=lcovonly --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  }
+}
diff --git a/node_modules/request/CHANGELOG.md b/node_modules/request/CHANGELOG.md
new file mode 100644
index 000000000..d3ffcd00d
--- /dev/null
+++ b/node_modules/request/CHANGELOG.md
@@ -0,0 +1,717 @@
+## Change Log
+
+### v2.88.0 (2018/08/10)
+- [#2996](https://github.com/request/request/pull/2996) fix(uuid): import versioned uuid (@kwonoj)
+- [#2994](https://github.com/request/request/pull/2994) Update to oauth-sign 0.9.0 (@dlecocq)
+- [#2993](https://github.com/request/request/pull/2993) Fix header tests (@simov)
+- [#2904](https://github.com/request/request/pull/2904) #515, #2894 Strip port suffix from Host header if the protocol is known. (#2904) (@paambaati)
+- [#2791](https://github.com/request/request/pull/2791) Improve AWS SigV4 support. (#2791) (@vikhyat)
+- [#2977](https://github.com/request/request/pull/2977) Update test certificates (@simov)
+
+### v2.87.0 (2018/05/21)
+- [#2943](https://github.com/request/request/pull/2943) Replace hawk dependency with a local implemenation (#2943) (@hueniverse)
+
+### v2.86.0 (2018/05/15)
+- [#2885](https://github.com/request/request/pull/2885) Remove redundant code (for Node.js 0.9.4 and below) and dependency (@ChALkeR)
+- [#2942](https://github.com/request/request/pull/2942) Make Test GREEN Again! (@simov)
+- [#2923](https://github.com/request/request/pull/2923) Alterations for failing CI tests (@gareth-robinson)
+
+### v2.85.0 (2018/03/12)
+- [#2880](https://github.com/request/request/pull/2880) Revert "Update hawk to 7.0.7 (#2880)" (@simov)
+
+### v2.84.0 (2018/03/12)
+- [#2793](https://github.com/request/request/pull/2793) Fixed calculation of oauth_body_hash, issue #2792 (@dvishniakov)
+- [#2880](https://github.com/request/request/pull/2880) Update hawk to 7.0.7 (#2880) (@kornel-kedzierski)
+
+### v2.83.0 (2017/09/27)
+- [#2776](https://github.com/request/request/pull/2776) Updating tough-cookie due to security fix. (#2776) (@karlnorling)
+
+### v2.82.0 (2017/09/19)
+- [#2703](https://github.com/request/request/pull/2703) Add Node.js v8 to Travis CI (@ryysud)
+- [#2751](https://github.com/request/request/pull/2751) Update of hawk and qs to latest version (#2751) (@Olivier-Moreau)
+- [#2658](https://github.com/request/request/pull/2658) Fixed some text in README.md (#2658) (@Marketionist)
+- [#2635](https://github.com/request/request/pull/2635) chore(package): update aws-sign2 to version 0.7.0 (#2635) (@greenkeeperio-bot)
+- [#2641](https://github.com/request/request/pull/2641) Update README to simplify & update convenience methods (#2641) (@FredKSchott)
+- [#2541](https://github.com/request/request/pull/2541) Add convenience method for HTTP OPTIONS (#2541) (@jamesseanwright)
+- [#2605](https://github.com/request/request/pull/2605) Add promise support section to README (#2605) (@FredKSchott)
+- [#2579](https://github.com/request/request/pull/2579) refactor(lint): replace eslint with standard (#2579) (@ahmadnassri)
+- [#2598](https://github.com/request/request/pull/2598) Update codecov to version 2.0.2 🚀 (@greenkeeperio-bot)
+- [#2590](https://github.com/request/request/pull/2590) Adds test-timing keepAlive test (@nicjansma)
+- [#2589](https://github.com/request/request/pull/2589) fix tabulation on request example README.MD (@odykyi)
+- [#2594](https://github.com/request/request/pull/2594) chore(dependencies): har-validator to 5.x [removes babel dep] (@ahmadnassri)
+
+### v2.81.0 (2017/03/09)
+- [#2584](https://github.com/request/request/pull/2584) Security issue: Upgrade qs to version 6.4.0 (@sergejmueller)
+- [#2578](https://github.com/request/request/pull/2578) safe-buffer doesn't zero-fill by default, its just a polyfill. (#2578) (@mikeal)
+- [#2566](https://github.com/request/request/pull/2566) Timings: Tracks 'lookup', adds 'wait' time, fixes connection re-use (#2566) (@nicjansma)
+- [#2574](https://github.com/request/request/pull/2574) Migrating to safe-buffer for improved security. (@mikeal)
+- [#2573](https://github.com/request/request/pull/2573) fixes #2572 (@ahmadnassri)
+
+### v2.80.0 (2017/03/04)
+- [#2571](https://github.com/request/request/pull/2571) Correctly format the Host header for IPv6 addresses (@JamesMGreene)
+- [#2558](https://github.com/request/request/pull/2558) Update README.md example snippet (@FredKSchott)
+- [#2221](https://github.com/request/request/pull/2221) Adding a simple Response object reference in argument specification (@calamarico)
+- [#2452](https://github.com/request/request/pull/2452) Adds .timings array with DNC, TCP, request and response times (@nicjansma)
+- [#2553](https://github.com/request/request/pull/2553) add ISSUE_TEMPLATE, move PR template (@FredKSchott)
+- [#2539](https://github.com/request/request/pull/2539) Create PULL_REQUEST_TEMPLATE.md (@FredKSchott)
+- [#2524](https://github.com/request/request/pull/2524) Update caseless to version 0.12.0 🚀 (@greenkeeperio-bot)
+- [#2460](https://github.com/request/request/pull/2460) Fix wrong MIME type in example (@OwnageIsMagic)
+- [#2514](https://github.com/request/request/pull/2514) Change tags to keywords in package.json (@humphd)
+- [#2492](https://github.com/request/request/pull/2492) More lenient gzip decompression (@addaleax)
+
+### v2.79.0 (2016/11/18)
+- [#2368](https://github.com/request/request/pull/2368) Fix typeof check in test-pool.js (@forivall)
+- [#2394](https://github.com/request/request/pull/2394) Use `files` in package.json (@SimenB)
+- [#2463](https://github.com/request/request/pull/2463) AWS support for session tokens for temporary credentials (@simov)
+- [#2467](https://github.com/request/request/pull/2467) Migrate to uuid (@simov, @antialias)
+- [#2459](https://github.com/request/request/pull/2459) Update taper to version 0.5.0 🚀 (@greenkeeperio-bot)
+- [#2448](https://github.com/request/request/pull/2448) Make other connect timeout test more reliable too (@mscdex)
+
+### v2.78.0 (2016/11/03)
+- [#2447](https://github.com/request/request/pull/2447) Always set request timeout on keep-alive connections (@mscdex)
+
+### v2.77.0 (2016/11/03)
+- [#2439](https://github.com/request/request/pull/2439) Fix socket 'connect' listener handling (@mscdex)
+- [#2442](https://github.com/request/request/pull/2442) 👻😱 Node.js 0.10 is unmaintained 😱👻 (@greenkeeperio-bot)
+- [#2435](https://github.com/request/request/pull/2435) Add followOriginalHttpMethod to redirect to original HTTP method (@kirrg001)
+- [#2414](https://github.com/request/request/pull/2414) Improve test-timeout reliability (@mscdex)
+
+### v2.76.0 (2016/10/25)
+- [#2424](https://github.com/request/request/pull/2424) Handle buffers directly instead of using "bl" (@zertosh)
+- [#2415](https://github.com/request/request/pull/2415) Re-enable timeout tests on Travis + other fixes (@mscdex)
+- [#2431](https://github.com/request/request/pull/2431) Improve timeouts accuracy and node v6.8.0+ compatibility (@mscdex, @greenkeeperio-bot)
+- [#2428](https://github.com/request/request/pull/2428) Update qs to version 6.3.0 🚀 (@greenkeeperio-bot)
+- [#2420](https://github.com/request/request/pull/2420) change .on to .once, remove possible memory leaks (@duereg)
+- [#2426](https://github.com/request/request/pull/2426) Remove "isFunction" helper in favor of "typeof" check (@zertosh)
+- [#2425](https://github.com/request/request/pull/2425) Simplify "defer" helper creation (@zertosh)
+- [#2402](https://github.com/request/request/pull/2402) form-data@2.1.1 breaks build 🚨 (@greenkeeperio-bot)
+- [#2393](https://github.com/request/request/pull/2393) Update form-data to version 2.1.0 🚀 (@greenkeeperio-bot)
+
+### v2.75.0 (2016/09/17)
+- [#2381](https://github.com/request/request/pull/2381) Drop support for Node 0.10 (@simov)
+- [#2377](https://github.com/request/request/pull/2377) Update form-data to version 2.0.0 🚀 (@greenkeeperio-bot)
+- [#2353](https://github.com/request/request/pull/2353) Add greenkeeper ignored packages (@simov)
+- [#2351](https://github.com/request/request/pull/2351) Update karma-tap to version 3.0.1 🚀 (@greenkeeperio-bot)
+- [#2348](https://github.com/request/request/pull/2348) form-data@1.0.1 breaks build 🚨 (@greenkeeperio-bot)
+- [#2349](https://github.com/request/request/pull/2349) Check error type instead of string (@scotttrinh)
+
+### v2.74.0 (2016/07/22)
+- [#2295](https://github.com/request/request/pull/2295) Update tough-cookie to 2.3.0 (@stash-sfdc)
+- [#2280](https://github.com/request/request/pull/2280) Update karma-tap to version 2.0.1 🚀 (@greenkeeperio-bot)
+
+### v2.73.0 (2016/07/09)
+- [#2240](https://github.com/request/request/pull/2240) Remove connectionErrorHandler to fix #1903 (@zarenner)
+- [#2251](https://github.com/request/request/pull/2251) tape@4.6.0 breaks build 🚨 (@greenkeeperio-bot)
+- [#2225](https://github.com/request/request/pull/2225) Update docs (@ArtskydJ)
+- [#2203](https://github.com/request/request/pull/2203) Update browserify to version 13.0.1 🚀 (@greenkeeperio-bot)
+- [#2275](https://github.com/request/request/pull/2275) Update karma to version 1.1.1 🚀 (@greenkeeperio-bot)
+- [#2204](https://github.com/request/request/pull/2204) Add codecov.yml and disable PR comments (@simov)
+- [#2212](https://github.com/request/request/pull/2212) Fix link to http.IncomingMessage documentation (@nazieb)
+- [#2208](https://github.com/request/request/pull/2208) Update to form-data RC4 and pass null values to it (@simov)
+- [#2207](https://github.com/request/request/pull/2207) Move aws4 require statement to the top (@simov)
+- [#2199](https://github.com/request/request/pull/2199) Update karma-coverage to version 1.0.0 🚀 (@greenkeeperio-bot)
+- [#2206](https://github.com/request/request/pull/2206) Update qs to version 6.2.0 🚀 (@greenkeeperio-bot)
+- [#2205](https://github.com/request/request/pull/2205) Use server-destory to close hanging sockets in tests (@simov)
+- [#2200](https://github.com/request/request/pull/2200) Update karma-cli to version 1.0.0 🚀 (@greenkeeperio-bot)
+
+### v2.72.0 (2016/04/17)
+- [#2176](https://github.com/request/request/pull/2176) Do not try to pipe Gzip responses with no body (@simov)
+- [#2175](https://github.com/request/request/pull/2175) Add 'delete' alias for the 'del' API method (@simov, @MuhanZou)
+- [#2172](https://github.com/request/request/pull/2172) Add support for deflate content encoding (@czardoz)
+- [#2169](https://github.com/request/request/pull/2169) Add callback option (@simov)
+- [#2165](https://github.com/request/request/pull/2165) Check for self.req existence inside the write method (@simov)
+- [#2167](https://github.com/request/request/pull/2167) Fix TravisCI badge reference master branch (@a0viedo)
+
+### v2.71.0 (2016/04/12)
+- [#2164](https://github.com/request/request/pull/2164) Catch errors from the underlying http module (@simov)
+
+### v2.70.0 (2016/04/05)
+- [#2147](https://github.com/request/request/pull/2147) Update eslint to version 2.5.3 🚀 (@simov, @greenkeeperio-bot)
+- [#2009](https://github.com/request/request/pull/2009) Support JSON stringify replacer argument. (@elyobo)
+- [#2142](https://github.com/request/request/pull/2142) Update eslint to version 2.5.1 🚀 (@greenkeeperio-bot)
+- [#2128](https://github.com/request/request/pull/2128) Update browserify-istanbul to version 2.0.0 🚀 (@greenkeeperio-bot)
+- [#2115](https://github.com/request/request/pull/2115) Update eslint to version 2.3.0 🚀 (@simov, @greenkeeperio-bot)
+- [#2089](https://github.com/request/request/pull/2089) Fix badges (@simov)
+- [#2092](https://github.com/request/request/pull/2092) Update browserify-istanbul to version 1.0.0 🚀 (@greenkeeperio-bot)
+- [#2079](https://github.com/request/request/pull/2079) Accept read stream as body option (@simov)
+- [#2070](https://github.com/request/request/pull/2070) Update bl to version 1.1.2 🚀 (@greenkeeperio-bot)
+- [#2063](https://github.com/request/request/pull/2063) Up bluebird and oauth-sign (@simov)
+- [#2058](https://github.com/request/request/pull/2058) Karma fixes for latest versions (@eiriksm)
+- [#2057](https://github.com/request/request/pull/2057) Update contributing guidelines (@simov)
+- [#2054](https://github.com/request/request/pull/2054) Update qs to version 6.1.0 🚀 (@greenkeeperio-bot)
+
+### v2.69.0 (2016/01/27)
+- [#2041](https://github.com/request/request/pull/2041) restore aws4 as regular dependency (@rmg)
+
+### v2.68.0 (2016/01/27)
+- [#2036](https://github.com/request/request/pull/2036) Add AWS Signature Version 4 (@simov, @mirkods)
+- [#2022](https://github.com/request/request/pull/2022) Convert numeric multipart bodies to string (@simov, @feross)
+- [#2024](https://github.com/request/request/pull/2024) Update har-validator dependency for nsp advisory #76 (@TylerDixon)
+- [#2016](https://github.com/request/request/pull/2016) Update qs to version 6.0.2 🚀 (@greenkeeperio-bot)
+- [#2007](https://github.com/request/request/pull/2007) Use the `extend` module instead of util._extend (@simov)
+- [#2003](https://github.com/request/request/pull/2003) Update browserify to version 13.0.0 🚀 (@greenkeeperio-bot)
+- [#1989](https://github.com/request/request/pull/1989) Update buffer-equal to version 1.0.0 🚀 (@greenkeeperio-bot)
+- [#1956](https://github.com/request/request/pull/1956) Check form-data content-length value before setting up the header (@jongyoonlee)
+- [#1958](https://github.com/request/request/pull/1958) Use IncomingMessage.destroy method (@simov)
+- [#1952](https://github.com/request/request/pull/1952) Adds example for Tor proxy (@prometheansacrifice)
+- [#1943](https://github.com/request/request/pull/1943) Update eslint to version 1.10.3 🚀 (@simov, @greenkeeperio-bot)
+- [#1924](https://github.com/request/request/pull/1924) Update eslint to version 1.10.1 🚀 (@greenkeeperio-bot)
+- [#1915](https://github.com/request/request/pull/1915) Remove content-length and transfer-encoding headers from defaultProxyHeaderWhiteList (@yaxia)
+
+### v2.67.0 (2015/11/19)
+- [#1913](https://github.com/request/request/pull/1913) Update http-signature to version 1.1.0 🚀 (@greenkeeperio-bot)
+
+### v2.66.0 (2015/11/18)
+- [#1906](https://github.com/request/request/pull/1906) Update README URLs based on HTTP redirects (@ReadmeCritic)
+- [#1905](https://github.com/request/request/pull/1905) Convert typed arrays into regular buffers (@simov)
+- [#1902](https://github.com/request/request/pull/1902) node-uuid@1.4.7 breaks build 🚨 (@greenkeeperio-bot)
+- [#1894](https://github.com/request/request/pull/1894) Fix tunneling after redirection from https (Original: #1881) (@simov, @falms)
+- [#1893](https://github.com/request/request/pull/1893) Update eslint to version 1.9.0 🚀 (@greenkeeperio-bot)
+- [#1852](https://github.com/request/request/pull/1852) Update eslint to version 1.7.3 🚀 (@simov, @greenkeeperio-bot, @paulomcnally, @michelsalib, @arbaaz, @nsklkn, @LoicMahieu, @JoshWillik, @jzaefferer, @ryanwholey, @djchie, @thisconnect, @mgenereu, @acroca, @Sebmaster, @KoltesDigital)
+- [#1876](https://github.com/request/request/pull/1876) Implement loose matching for har mime types (@simov)
+- [#1875](https://github.com/request/request/pull/1875) Update bluebird to version 3.0.2 🚀 (@simov, @greenkeeperio-bot)
+- [#1871](https://github.com/request/request/pull/1871) Update browserify to version 12.0.1 🚀 (@greenkeeperio-bot)
+- [#1866](https://github.com/request/request/pull/1866) Add missing quotes on x-token property in README (@miguelmota)
+- [#1874](https://github.com/request/request/pull/1874) Fix typo in README.md (@gswalden)
+- [#1860](https://github.com/request/request/pull/1860) Improve referer header tests and docs (@simov)
+- [#1861](https://github.com/request/request/pull/1861) Remove redundant call to Stream constructor (@watson)
+- [#1857](https://github.com/request/request/pull/1857) Fix Referer header to point to the original host name (@simov)
+- [#1850](https://github.com/request/request/pull/1850) Update karma-coverage to version 0.5.3 🚀 (@greenkeeperio-bot)
+- [#1847](https://github.com/request/request/pull/1847) Use node's latest version when building (@simov)
+- [#1836](https://github.com/request/request/pull/1836) Tunnel: fix wrong property name (@KoltesDigital)
+- [#1820](https://github.com/request/request/pull/1820) Set href as request.js uses it (@mgenereu)
+- [#1840](https://github.com/request/request/pull/1840) Update http-signature to version 1.0.2 🚀 (@greenkeeperio-bot)
+- [#1845](https://github.com/request/request/pull/1845) Update istanbul to version 0.4.0 🚀 (@greenkeeperio-bot)
+
+### v2.65.0 (2015/10/11)
+- [#1833](https://github.com/request/request/pull/1833) Update aws-sign2 to version 0.6.0 🚀 (@greenkeeperio-bot)
+- [#1811](https://github.com/request/request/pull/1811) Enable loose cookie parsing in tough-cookie (@Sebmaster)
+- [#1830](https://github.com/request/request/pull/1830) Bring back tilde ranges for all dependencies (@simov)
+- [#1821](https://github.com/request/request/pull/1821) Implement support for RFC 2617 MD5-sess algorithm. (@BigDSK)
+- [#1828](https://github.com/request/request/pull/1828) Updated qs dependency to 5.2.0 (@acroca)
+- [#1818](https://github.com/request/request/pull/1818) Extract `readResponseBody` method out of `onRequestResponse` (@pvoisin)
+- [#1819](https://github.com/request/request/pull/1819) Run stringify once (@mgenereu)
+- [#1814](https://github.com/request/request/pull/1814) Updated har-validator to version 2.0.2 (@greenkeeperio-bot)
+- [#1807](https://github.com/request/request/pull/1807) Updated tough-cookie to version 2.1.0 (@greenkeeperio-bot)
+- [#1800](https://github.com/request/request/pull/1800) Add caret ranges for devDependencies, except eslint (@simov)
+- [#1799](https://github.com/request/request/pull/1799) Updated karma-browserify to version 4.4.0 (@greenkeeperio-bot)
+- [#1797](https://github.com/request/request/pull/1797) Updated tape to version 4.2.0 (@greenkeeperio-bot)
+- [#1788](https://github.com/request/request/pull/1788) Pinned all dependencies (@greenkeeperio-bot)
+
+### v2.64.0 (2015/09/25)
+- [#1787](https://github.com/request/request/pull/1787) npm ignore examples, release.sh and disabled.appveyor.yml (@thisconnect)
+- [#1775](https://github.com/request/request/pull/1775) Fix typo in README.md (@djchie)
+- [#1776](https://github.com/request/request/pull/1776) Changed word 'conjuction' to read 'conjunction' in README.md (@ryanwholey)
+- [#1785](https://github.com/request/request/pull/1785) Revert: Set default application/json content-type when using json option #1772 (@simov)
+
+### v2.63.0 (2015/09/21)
+- [#1772](https://github.com/request/request/pull/1772) Set default application/json content-type when using json option (@jzaefferer)
+
+### v2.62.0 (2015/09/15)
+- [#1768](https://github.com/request/request/pull/1768) Add node 4.0 to the list of build targets (@simov)
+- [#1767](https://github.com/request/request/pull/1767) Query strings now cooperate with unix sockets (@JoshWillik)
+- [#1750](https://github.com/request/request/pull/1750) Revert doc about installation of tough-cookie added in #884 (@LoicMahieu)
+- [#1746](https://github.com/request/request/pull/1746) Missed comma in Readme (@nsklkn)
+- [#1743](https://github.com/request/request/pull/1743) Fix options not being initialized in defaults method (@simov)
+
+### v2.61.0 (2015/08/19)
+- [#1721](https://github.com/request/request/pull/1721) Minor fix in README.md (@arbaaz)
+- [#1733](https://github.com/request/request/pull/1733) Avoid useless Buffer transformation (@michelsalib)
+- [#1726](https://github.com/request/request/pull/1726) Update README.md (@paulomcnally)
+- [#1715](https://github.com/request/request/pull/1715) Fix forever option in node > 0.10 #1709 (@calibr)
+- [#1716](https://github.com/request/request/pull/1716) Do not create Buffer from Object in setContentLength(iojs v3.0 issue) (@calibr)
+- [#1711](https://github.com/request/request/pull/1711) Add ability to detect connect timeouts (@kevinburke)
+- [#1712](https://github.com/request/request/pull/1712) Set certificate expiration to August 2, 2018 (@kevinburke)
+- [#1700](https://github.com/request/request/pull/1700) debug() when JSON.parse() on a response body fails (@phillipj)
+
+### v2.60.0 (2015/07/21)
+- [#1687](https://github.com/request/request/pull/1687) Fix caseless bug - content-type not being set for multipart/form-data (@simov, @garymathews)
+
+### v2.59.0 (2015/07/20)
+- [#1671](https://github.com/request/request/pull/1671) Add tests and docs for using the agent, agentClass, agentOptions and forever options.
+ Forever option defaults to using http(s).Agent in node 0.12+ (@simov)
+- [#1679](https://github.com/request/request/pull/1679) Fix - do not remove OAuth param when using OAuth realm (@simov, @jhalickman)
+- [#1668](https://github.com/request/request/pull/1668) updated dependencies (@deamme)
+- [#1656](https://github.com/request/request/pull/1656) Fix form method (@simov)
+- [#1651](https://github.com/request/request/pull/1651) Preserve HEAD method when using followAllRedirects (@simov)
+- [#1652](https://github.com/request/request/pull/1652) Update `encoding` option documentation in README.md (@daniel347x)
+- [#1650](https://github.com/request/request/pull/1650) Allow content-type overriding when using the `form` option (@simov)
+- [#1646](https://github.com/request/request/pull/1646) Clarify the nature of setting `ca` in `agentOptions` (@jeffcharles)
+
+### v2.58.0 (2015/06/16)
+- [#1638](https://github.com/request/request/pull/1638) Use the `extend` module to deep extend in the defaults method (@simov)
+- [#1631](https://github.com/request/request/pull/1631) Move tunnel logic into separate module (@simov)
+- [#1634](https://github.com/request/request/pull/1634) Fix OAuth query transport_method (@simov)
+- [#1603](https://github.com/request/request/pull/1603) Add codecov (@simov)
+
+### v2.57.0 (2015/05/31)
+- [#1615](https://github.com/request/request/pull/1615) Replace '.client' with '.socket' as the former was deprecated in 2.2.0. (@ChALkeR)
+
+### v2.56.0 (2015/05/28)
+- [#1610](https://github.com/request/request/pull/1610) Bump module dependencies (@simov)
+- [#1600](https://github.com/request/request/pull/1600) Extract the querystring logic into separate module (@simov)
+- [#1607](https://github.com/request/request/pull/1607) Re-generate certificates (@simov)
+- [#1599](https://github.com/request/request/pull/1599) Move getProxyFromURI logic below the check for Invaild URI (#1595) (@simov)
+- [#1598](https://github.com/request/request/pull/1598) Fix the way http verbs are defined in order to please intellisense IDEs (@simov, @flannelJesus)
+- [#1591](https://github.com/request/request/pull/1591) A few minor fixes: (@simov)
+- [#1584](https://github.com/request/request/pull/1584) Refactor test-default tests (according to comments in #1430) (@simov)
+- [#1585](https://github.com/request/request/pull/1585) Fixing documentation regarding TLS options (#1583) (@mainakae)
+- [#1574](https://github.com/request/request/pull/1574) Refresh the oauth_nonce on redirect (#1573) (@simov)
+- [#1570](https://github.com/request/request/pull/1570) Discovered tests that weren't properly running (@seanstrom)
+- [#1569](https://github.com/request/request/pull/1569) Fix pause before response arrives (@kevinoid)
+- [#1558](https://github.com/request/request/pull/1558) Emit error instead of throw (@simov)
+- [#1568](https://github.com/request/request/pull/1568) Fix stall when piping gzipped response (@kevinoid)
+- [#1560](https://github.com/request/request/pull/1560) Update combined-stream (@apechimp)
+- [#1543](https://github.com/request/request/pull/1543) Initial support for oauth_body_hash on json payloads (@simov, @aesopwolf)
+- [#1541](https://github.com/request/request/pull/1541) Fix coveralls (@simov)
+- [#1540](https://github.com/request/request/pull/1540) Fix recursive defaults for convenience methods (@simov)
+- [#1536](https://github.com/request/request/pull/1536) More eslint style rules (@froatsnook)
+- [#1533](https://github.com/request/request/pull/1533) Adding dependency status bar to README.md (@YasharF)
+- [#1539](https://github.com/request/request/pull/1539) ensure the latest version of har-validator is included (@ahmadnassri)
+- [#1516](https://github.com/request/request/pull/1516) forever+pool test (@devTristan)
+
+### v2.55.0 (2015/04/05)
+- [#1520](https://github.com/request/request/pull/1520) Refactor defaults (@simov)
+- [#1525](https://github.com/request/request/pull/1525) Delete request headers with undefined value. (@froatsnook)
+- [#1521](https://github.com/request/request/pull/1521) Add promise tests (@simov)
+- [#1518](https://github.com/request/request/pull/1518) Fix defaults (@simov)
+- [#1515](https://github.com/request/request/pull/1515) Allow static invoking of convenience methods (@simov)
+- [#1505](https://github.com/request/request/pull/1505) Fix multipart boundary extraction regexp (@simov)
+- [#1510](https://github.com/request/request/pull/1510) Fix basic auth form data (@simov)
+
+### v2.54.0 (2015/03/24)
+- [#1501](https://github.com/request/request/pull/1501) HTTP Archive 1.2 support (@ahmadnassri)
+- [#1486](https://github.com/request/request/pull/1486) Add a test for the forever agent (@akshayp)
+- [#1500](https://github.com/request/request/pull/1500) Adding handling for no auth method and null bearer (@philberg)
+- [#1498](https://github.com/request/request/pull/1498) Add table of contents in readme (@simov)
+- [#1477](https://github.com/request/request/pull/1477) Add support for qs options via qsOptions key (@simov)
+- [#1496](https://github.com/request/request/pull/1496) Parameters encoded to base 64 should be decoded as UTF-8, not ASCII. (@albanm)
+- [#1494](https://github.com/request/request/pull/1494) Update eslint (@froatsnook)
+- [#1474](https://github.com/request/request/pull/1474) Require Colon in Basic Auth (@erykwalder)
+- [#1481](https://github.com/request/request/pull/1481) Fix baseUrl and redirections. (@burningtree)
+- [#1469](https://github.com/request/request/pull/1469) Feature/base url (@froatsnook)
+- [#1459](https://github.com/request/request/pull/1459) Add option to time request/response cycle (including rollup of redirects) (@aaron-em)
+- [#1468](https://github.com/request/request/pull/1468) Re-enable io.js/node 0.12 build (@simov, @mikeal, @BBB)
+- [#1442](https://github.com/request/request/pull/1442) Fixed the issue with strictSSL tests on  0.12 & io.js by explicitly setting a cipher that matches the cert. (@BBB, @nickmccurdy, @demohi, @simov, @0x4139)
+- [#1460](https://github.com/request/request/pull/1460) localAddress or proxy config is lost when redirecting (@simov, @0x4139)
+- [#1453](https://github.com/request/request/pull/1453) Test on Node.js 0.12 and io.js with allowed failures (@nickmccurdy, @demohi)
+- [#1426](https://github.com/request/request/pull/1426) Fixing tests to pass on io.js and node 0.12 (only test-https.js stiff failing) (@mikeal)
+- [#1446](https://github.com/request/request/pull/1446) Missing HTTP referer header with redirects Fixes #1038 (@simov, @guimon)
+- [#1428](https://github.com/request/request/pull/1428) Deprecate Node v0.8.x (@nylen)
+- [#1436](https://github.com/request/request/pull/1436) Add ability to set a requester without setting default options (@tikotzky)
+- [#1435](https://github.com/request/request/pull/1435) dry up verb methods (@sethpollack)
+- [#1423](https://github.com/request/request/pull/1423) Allow fully qualified multipart content-type header (@simov)
+- [#1430](https://github.com/request/request/pull/1430) Fix recursive requester (@tikotzky)
+- [#1429](https://github.com/request/request/pull/1429) Throw error when making HEAD request with a body (@tikotzky)
+- [#1419](https://github.com/request/request/pull/1419) Add note that the project is broken in 0.12.x (@nylen)
+- [#1413](https://github.com/request/request/pull/1413) Fix basic auth (@simov)
+- [#1397](https://github.com/request/request/pull/1397) Improve pipe-from-file tests (@nylen)
+
+### v2.53.0 (2015/02/02)
+- [#1396](https://github.com/request/request/pull/1396) Do not rfc3986 escape JSON bodies (@nylen, @simov)
+- [#1392](https://github.com/request/request/pull/1392) Improve `timeout` option description (@watson)
+
+### v2.52.0 (2015/02/02)
+- [#1383](https://github.com/request/request/pull/1383) Add missing HTTPS options that were not being passed to tunnel (@brichard19) (@nylen)
+- [#1388](https://github.com/request/request/pull/1388) Upgrade mime-types package version (@roderickhsiao)
+- [#1389](https://github.com/request/request/pull/1389) Revise Setup Tunnel Function (@seanstrom)
+- [#1374](https://github.com/request/request/pull/1374) Allow explicitly disabling tunneling for proxied https destinations (@nylen)
+- [#1376](https://github.com/request/request/pull/1376) Use karma-browserify for tests. Add browser test coverage reporter. (@eiriksm)
+- [#1366](https://github.com/request/request/pull/1366) Refactor OAuth into separate module (@simov)
+- [#1373](https://github.com/request/request/pull/1373) Rewrite tunnel test to be pure Node.js (@nylen)
+- [#1371](https://github.com/request/request/pull/1371) Upgrade test reporter (@nylen)
+- [#1360](https://github.com/request/request/pull/1360) Refactor basic, bearer, digest auth logic into separate class (@simov)
+- [#1354](https://github.com/request/request/pull/1354) Remove circular dependency from debugging code (@nylen)
+- [#1351](https://github.com/request/request/pull/1351) Move digest auth into private prototype method (@simov)
+- [#1352](https://github.com/request/request/pull/1352) Update hawk dependency to ~2.3.0 (@mridgway)
+- [#1353](https://github.com/request/request/pull/1353) Correct travis-ci badge (@dogancelik)
+- [#1349](https://github.com/request/request/pull/1349) Make sure we return on errored browser requests. (@eiriksm)
+- [#1346](https://github.com/request/request/pull/1346) getProxyFromURI Extraction Refactor (@seanstrom)
+- [#1337](https://github.com/request/request/pull/1337) Standardize test ports on 6767 (@nylen)
+- [#1341](https://github.com/request/request/pull/1341) Emit FormData error events as Request error events (@nylen, @rwky)
+- [#1343](https://github.com/request/request/pull/1343) Clean up readme badges, and add Travis and Coveralls badges (@nylen)
+- [#1345](https://github.com/request/request/pull/1345) Update README.md (@Aaron-Hartwig)
+- [#1338](https://github.com/request/request/pull/1338) Always wait for server.close() callback in tests (@nylen)
+- [#1342](https://github.com/request/request/pull/1342) Add mock https server and redo start of browser tests for this purpose. (@eiriksm)
+- [#1339](https://github.com/request/request/pull/1339) Improve auth docs (@nylen)
+- [#1335](https://github.com/request/request/pull/1335) Add support for OAuth plaintext signature method (@simov)
+- [#1332](https://github.com/request/request/pull/1332) Add clean script to remove test-browser.js after the tests run (@seanstrom)
+- [#1327](https://github.com/request/request/pull/1327) Fix errors generating coverage reports. (@nylen)
+- [#1330](https://github.com/request/request/pull/1330) Return empty buffer upon empty response body and encoding is set to null (@seanstrom)
+- [#1326](https://github.com/request/request/pull/1326) Use faster container-based infrastructure on Travis (@nylen)
+- [#1315](https://github.com/request/request/pull/1315) Implement rfc3986 option (@simov, @nylen, @apoco, @DullReferenceException, @mmalecki, @oliamb, @cliffcrosland, @LewisJEllis, @eiriksm, @poislagarde)
+- [#1314](https://github.com/request/request/pull/1314) Detect urlencoded form data header via regex (@simov)
+- [#1317](https://github.com/request/request/pull/1317) Improve OAuth1.0 server side flow example (@simov)
+
+### v2.51.0 (2014/12/10)
+- [#1310](https://github.com/request/request/pull/1310) Revert changes introduced in https://github.com/request/request/pull/1282 (@simov)
+
+### v2.50.0 (2014/12/09)
+- [#1308](https://github.com/request/request/pull/1308) Add browser test to keep track of browserify compability. (@eiriksm)
+- [#1299](https://github.com/request/request/pull/1299) Add optional support for jsonReviver (@poislagarde)
+- [#1277](https://github.com/request/request/pull/1277) Add Coveralls configuration (@simov)
+- [#1307](https://github.com/request/request/pull/1307) Upgrade form-data, add back browserify compability. Fixes #455. (@eiriksm)
+- [#1305](https://github.com/request/request/pull/1305) Fix typo in README.md (@LewisJEllis)
+- [#1288](https://github.com/request/request/pull/1288) Update README.md to explain custom file use case (@cliffcrosland)
+
+### v2.49.0 (2014/11/28)
+- [#1295](https://github.com/request/request/pull/1295) fix(proxy): no-proxy false positive (@oliamb)
+- [#1292](https://github.com/request/request/pull/1292) Upgrade `caseless` to 0.8.1 (@mmalecki)
+- [#1276](https://github.com/request/request/pull/1276) Set transfer encoding for multipart/related to chunked by default (@simov)
+- [#1275](https://github.com/request/request/pull/1275) Fix multipart content-type headers detection (@simov)
+- [#1269](https://github.com/request/request/pull/1269) adds streams example for review (@tbuchok)
+- [#1238](https://github.com/request/request/pull/1238) Add examples README.md (@simov)
+
+### v2.48.0 (2014/11/12)
+- [#1263](https://github.com/request/request/pull/1263) Fixed a syntax error / typo in README.md (@xna2)
+- [#1253](https://github.com/request/request/pull/1253) Add multipart chunked flag (@simov, @nylen)
+- [#1251](https://github.com/request/request/pull/1251) Clarify that defaults() does not modify global defaults (@nylen)
+- [#1250](https://github.com/request/request/pull/1250) Improve documentation for pool and maxSockets options (@nylen)
+- [#1237](https://github.com/request/request/pull/1237) Documenting error handling when using streams (@vmattos)
+- [#1244](https://github.com/request/request/pull/1244) Finalize changelog command (@nylen)
+- [#1241](https://github.com/request/request/pull/1241) Fix typo (@alexanderGugel)
+- [#1223](https://github.com/request/request/pull/1223) Show latest version number instead of "upcoming" in changelog (@nylen)
+- [#1236](https://github.com/request/request/pull/1236) Document how to use custom CA in README (#1229) (@hypesystem)
+- [#1228](https://github.com/request/request/pull/1228) Support for oauth with RSA-SHA1 signing (@nylen)
+- [#1216](https://github.com/request/request/pull/1216) Made json and multipart options coexist (@nylen, @simov)
+- [#1225](https://github.com/request/request/pull/1225) Allow header white/exclusive lists in any case. (@RReverser)
+
+### v2.47.0 (2014/10/26)
+- [#1222](https://github.com/request/request/pull/1222) Move from mikeal/request to request/request (@nylen)
+- [#1220](https://github.com/request/request/pull/1220) update qs dependency to 2.3.1 (@FredKSchott)
+- [#1212](https://github.com/request/request/pull/1212) Improve tests/test-timeout.js (@nylen)
+- [#1219](https://github.com/request/request/pull/1219) remove old globalAgent workaround for node 0.4 (@request)
+- [#1214](https://github.com/request/request/pull/1214) Remove cruft left over from optional dependencies (@nylen)
+- [#1215](https://github.com/request/request/pull/1215) Add proxyHeaderExclusiveList option for proxy-only headers. (@RReverser)
+- [#1211](https://github.com/request/request/pull/1211) Allow 'Host' header instead of 'host' and remember case across redirects (@nylen)
+- [#1208](https://github.com/request/request/pull/1208) Improve release script (@nylen)
+- [#1213](https://github.com/request/request/pull/1213) Support for custom cookie store (@nylen, @mitsuru)
+- [#1197](https://github.com/request/request/pull/1197) Clean up some code around setting the agent (@FredKSchott)
+- [#1209](https://github.com/request/request/pull/1209) Improve multipart form append test (@simov)
+- [#1207](https://github.com/request/request/pull/1207) Update changelog (@nylen)
+- [#1185](https://github.com/request/request/pull/1185) Stream multipart/related bodies (@simov)
+
+### v2.46.0 (2014/10/23)
+- [#1198](https://github.com/request/request/pull/1198) doc for TLS/SSL protocol options (@shawnzhu)
+- [#1200](https://github.com/request/request/pull/1200) Add a Gitter chat badge to README.md (@gitter-badger)
+- [#1196](https://github.com/request/request/pull/1196) Upgrade taper test reporter to v0.3.0 (@nylen)
+- [#1199](https://github.com/request/request/pull/1199) Fix lint error: undeclared var i (@nylen)
+- [#1191](https://github.com/request/request/pull/1191) Move self.proxy decision logic out of init and into a helper (@FredKSchott)
+- [#1190](https://github.com/request/request/pull/1190) Move _buildRequest() logic back into init (@FredKSchott)
+- [#1186](https://github.com/request/request/pull/1186) Support Smarter Unix URL Scheme (@FredKSchott)
+- [#1178](https://github.com/request/request/pull/1178) update form documentation for new usage (@FredKSchott)
+- [#1180](https://github.com/request/request/pull/1180) Enable no-mixed-requires linting rule (@nylen)
+- [#1184](https://github.com/request/request/pull/1184) Don't forward authorization header across redirects to different hosts (@nylen)
+- [#1183](https://github.com/request/request/pull/1183) Correct README about pre and postamble CRLF using multipart and not mult... (@netpoetica)
+- [#1179](https://github.com/request/request/pull/1179) Lint tests directory (@nylen)
+- [#1169](https://github.com/request/request/pull/1169) add metadata for form-data file field (@dotcypress)
+- [#1173](https://github.com/request/request/pull/1173) remove optional dependencies (@seanstrom)
+- [#1165](https://github.com/request/request/pull/1165) Cleanup event listeners and remove function creation from init (@FredKSchott)
+- [#1174](https://github.com/request/request/pull/1174) update the request.cookie docs to have a valid cookie example (@seanstrom)
+- [#1168](https://github.com/request/request/pull/1168) create a detach helper and use detach helper in replace of nextTick (@seanstrom)
+- [#1171](https://github.com/request/request/pull/1171) in post can send form data and use callback (@MiroRadenovic)
+- [#1159](https://github.com/request/request/pull/1159) accept charset for x-www-form-urlencoded content-type (@seanstrom)
+- [#1157](https://github.com/request/request/pull/1157) Update README.md: body with json=true (@Rob--W)
+- [#1164](https://github.com/request/request/pull/1164) Disable tests/test-timeout.js on Travis (@nylen)
+- [#1153](https://github.com/request/request/pull/1153) Document how to run a single test (@nylen)
+- [#1144](https://github.com/request/request/pull/1144) adds documentation for the "response" event within the streaming section (@tbuchok)
+- [#1162](https://github.com/request/request/pull/1162) Update eslintrc file to no longer allow past errors (@FredKSchott)
+- [#1155](https://github.com/request/request/pull/1155) Support/use self everywhere (@seanstrom)
+- [#1161](https://github.com/request/request/pull/1161) fix no-use-before-define lint warnings (@emkay)
+- [#1156](https://github.com/request/request/pull/1156) adding curly brackets to get rid of lint errors (@emkay)
+- [#1151](https://github.com/request/request/pull/1151) Fix localAddress test on OS X (@nylen)
+- [#1145](https://github.com/request/request/pull/1145) documentation: fix outdated reference to setCookieSync old name in README (@FredKSchott)
+- [#1131](https://github.com/request/request/pull/1131) Update pool documentation (@FredKSchott)
+- [#1143](https://github.com/request/request/pull/1143) Rewrite all tests to use tape (@nylen)
+- [#1137](https://github.com/request/request/pull/1137) Add ability to specifiy querystring lib in options. (@jgrund)
+- [#1138](https://github.com/request/request/pull/1138) allow hostname and port in place of host on uri (@cappslock)
+- [#1134](https://github.com/request/request/pull/1134) Fix multiple redirects and `self.followRedirect` (@blakeembrey)
+- [#1130](https://github.com/request/request/pull/1130) documentation fix: add note about npm test for contributing (@FredKSchott)
+- [#1120](https://github.com/request/request/pull/1120) Support/refactor request setup tunnel (@seanstrom)
+- [#1129](https://github.com/request/request/pull/1129) linting fix: convert double quote strings to use single quotes (@FredKSchott)
+- [#1124](https://github.com/request/request/pull/1124) linting fix: remove unneccesary semi-colons (@FredKSchott)
+
+### v2.45.0 (2014/10/06)
+- [#1128](https://github.com/request/request/pull/1128) Add test for setCookie regression (@nylen)
+- [#1127](https://github.com/request/request/pull/1127) added tests around using objects as values in a query string (@bcoe)
+- [#1103](https://github.com/request/request/pull/1103) Support/refactor request constructor (@nylen, @seanstrom)
+- [#1119](https://github.com/request/request/pull/1119) add basic linting to request library (@FredKSchott)
+- [#1121](https://github.com/request/request/pull/1121) Revert "Explicitly use sync versions of cookie functions" (@nylen)
+- [#1118](https://github.com/request/request/pull/1118) linting fix: Restructure bad empty if statement (@FredKSchott)
+- [#1117](https://github.com/request/request/pull/1117) Fix a bad check for valid URIs (@FredKSchott)
+- [#1113](https://github.com/request/request/pull/1113) linting fix: space out operators (@FredKSchott)
+- [#1116](https://github.com/request/request/pull/1116) Fix typo in `noProxyHost` definition (@FredKSchott)
+- [#1114](https://github.com/request/request/pull/1114) linting fix: Added a `new` operator that was missing when creating and throwing a new error (@FredKSchott)
+- [#1096](https://github.com/request/request/pull/1096) No_proxy support (@samcday)
+- [#1107](https://github.com/request/request/pull/1107) linting-fix: remove unused variables (@FredKSchott)
+- [#1112](https://github.com/request/request/pull/1112) linting fix: Make return values consistent and more straitforward (@FredKSchott)
+- [#1111](https://github.com/request/request/pull/1111) linting fix: authPieces was getting redeclared (@FredKSchott)
+- [#1105](https://github.com/request/request/pull/1105) Use strict mode in request (@FredKSchott)
+- [#1110](https://github.com/request/request/pull/1110) linting fix: replace lazy '==' with more strict '===' (@FredKSchott)
+- [#1109](https://github.com/request/request/pull/1109) linting fix: remove function call from if-else conditional statement (@FredKSchott)
+- [#1102](https://github.com/request/request/pull/1102) Fix to allow setting a `requester` on recursive calls to `request.defaults` (@tikotzky)
+- [#1095](https://github.com/request/request/pull/1095) Tweaking engines in package.json (@pdehaan)
+- [#1082](https://github.com/request/request/pull/1082) Forward the socket event from the httpModule request (@seanstrom)
+- [#972](https://github.com/request/request/pull/972) Clarify gzip handling in the README (@kevinoid)
+- [#1089](https://github.com/request/request/pull/1089) Mention that encoding defaults to utf8, not Buffer (@stuartpb)
+- [#1088](https://github.com/request/request/pull/1088) Fix cookie example in README.md and make it more clear (@pipi32167)
+- [#1027](https://github.com/request/request/pull/1027) Add support for multipart form data in request options. (@crocket)
+- [#1076](https://github.com/request/request/pull/1076) use Request.abort() to abort the request when the request has timed-out (@seanstrom)
+- [#1068](https://github.com/request/request/pull/1068) add optional postamble required by .NET multipart requests (@netpoetica)
+
+### v2.43.0 (2014/09/18)
+- [#1057](https://github.com/request/request/pull/1057) Defaults should not overwrite defined options (@davidwood)
+- [#1046](https://github.com/request/request/pull/1046) Propagate datastream errors, useful in case gzip fails. (@ZJONSSON, @Janpot)
+- [#1063](https://github.com/request/request/pull/1063) copy the input headers object #1060 (@finnp)
+- [#1031](https://github.com/request/request/pull/1031) Explicitly use sync versions of cookie functions (@ZJONSSON)
+- [#1056](https://github.com/request/request/pull/1056) Fix redirects when passing url.parse(x) as URL to convenience method (@nylen)
+
+### v2.42.0 (2014/09/04)
+- [#1053](https://github.com/request/request/pull/1053) Fix #1051 Parse auth properly when using non-tunneling proxy (@isaacs)
+
+### v2.41.0 (2014/09/04)
+- [#1050](https://github.com/request/request/pull/1050) Pass whitelisted headers to tunneling proxy.  Organize all tunneling logic. (@isaacs, @Feldhacker)
+- [#1035](https://github.com/request/request/pull/1035) souped up nodei.co badge (@rvagg)
+- [#1048](https://github.com/request/request/pull/1048) Aws is now possible over a proxy (@steven-aerts)
+- [#1039](https://github.com/request/request/pull/1039) extract out helper functions to a helper file (@seanstrom)
+- [#1021](https://github.com/request/request/pull/1021) Support/refactor indexjs (@seanstrom)
+- [#1033](https://github.com/request/request/pull/1033) Improve and document debug options (@nylen)
+- [#1034](https://github.com/request/request/pull/1034) Fix readme headings (@nylen)
+- [#1030](https://github.com/request/request/pull/1030) Allow recursive request.defaults (@tikotzky)
+- [#1029](https://github.com/request/request/pull/1029) Fix a couple of typos (@nylen)
+- [#675](https://github.com/request/request/pull/675) Checking for SSL fault on connection before reading SSL properties (@VRMink)
+- [#989](https://github.com/request/request/pull/989) Added allowRedirect function. Should return true if redirect is allowed or false otherwise (@doronin)
+- [#1025](https://github.com/request/request/pull/1025) [fixes #1023] Set self._ended to true once response has ended (@mridgway)
+- [#1020](https://github.com/request/request/pull/1020) Add back removed debug metadata (@FredKSchott)
+- [#1008](https://github.com/request/request/pull/1008) Moving to  module instead of cutomer buffer concatenation. (@mikeal)
+- [#770](https://github.com/request/request/pull/770) Added dependency badge for README file; (@timgluz, @mafintosh, @lalitkapoor, @stash, @bobyrizov)
+- [#1016](https://github.com/request/request/pull/1016) toJSON no longer results in an infinite loop, returns simple objects (@FredKSchott)
+- [#1018](https://github.com/request/request/pull/1018) Remove pre-0.4.4 HTTPS fix (@mmalecki)
+- [#1006](https://github.com/request/request/pull/1006) Migrate to caseless, fixes #1001 (@mikeal)
+- [#995](https://github.com/request/request/pull/995) Fix parsing array of objects (@sjonnet19)
+- [#999](https://github.com/request/request/pull/999) Fix fallback for browserify for optional modules. (@eiriksm)
+- [#996](https://github.com/request/request/pull/996) Wrong oauth signature when multiple same param keys exist [updated] (@bengl)
+
+### v2.40.0 (2014/08/06)
+- [#992](https://github.com/request/request/pull/992) Fix security vulnerability. Update qs (@poeticninja)
+- [#988](https://github.com/request/request/pull/988) “--” -> “—” (@upisfree)
+- [#987](https://github.com/request/request/pull/987) Show optional modules as being loaded by the module that reqeusted them (@iarna)
+
+### v2.39.0 (2014/07/24)
+- [#976](https://github.com/request/request/pull/976) Update README.md (@pvoznenko)
+
+### v2.38.0 (2014/07/22)
+- [#952](https://github.com/request/request/pull/952) Adding support to client certificate with proxy use case (@ofirshaked)
+- [#884](https://github.com/request/request/pull/884) Documented tough-cookie installation. (@wbyoung)
+- [#935](https://github.com/request/request/pull/935) Correct repository url (@fritx)
+- [#963](https://github.com/request/request/pull/963) Update changelog (@nylen)
+- [#960](https://github.com/request/request/pull/960) Support gzip with encoding on node pre-v0.9.4 (@kevinoid)
+- [#953](https://github.com/request/request/pull/953) Add async Content-Length computation when using form-data (@LoicMahieu)
+- [#844](https://github.com/request/request/pull/844) Add support for HTTP[S]_PROXY environment variables.  Fixes #595. (@jvmccarthy)
+- [#946](https://github.com/request/request/pull/946) defaults: merge headers (@aj0strow)
+
+### v2.37.0 (2014/07/07)
+- [#957](https://github.com/request/request/pull/957) Silence EventEmitter memory leak warning #311 (@watson)
+- [#955](https://github.com/request/request/pull/955) check for content-length header before setting it in nextTick (@camilleanne)
+- [#951](https://github.com/request/request/pull/951) Add support for gzip content decoding (@kevinoid)
+- [#949](https://github.com/request/request/pull/949) Manually enter querystring in form option (@charlespwd)
+- [#944](https://github.com/request/request/pull/944) Make request work with browserify (@eiriksm)
+- [#943](https://github.com/request/request/pull/943) New mime module (@eiriksm)
+- [#927](https://github.com/request/request/pull/927) Bump version of hawk dep. (@samccone)
+- [#907](https://github.com/request/request/pull/907) append secureOptions to poolKey (@medovob)
+
+### v2.35.0 (2014/05/17)
+- [#901](https://github.com/request/request/pull/901) Fixes #555 (@pigulla)
+- [#897](https://github.com/request/request/pull/897) merge with default options (@vohof)
+- [#891](https://github.com/request/request/pull/891) fixes 857 - options object is mutated by calling request (@lalitkapoor)
+- [#869](https://github.com/request/request/pull/869) Pipefilter test (@tgohn)
+- [#866](https://github.com/request/request/pull/866) Fix typo (@dandv)
+- [#861](https://github.com/request/request/pull/861) Add support for RFC 6750 Bearer Tokens (@phedny)
+- [#809](https://github.com/request/request/pull/809) upgrade tunnel-proxy to 0.4.0 (@ksato9700)
+- [#850](https://github.com/request/request/pull/850) Fix word consistency in readme (@0xNobody)
+- [#810](https://github.com/request/request/pull/810) add some exposition to mpu example in README.md (@mikermcneil)
+- [#840](https://github.com/request/request/pull/840) improve error reporting for invalid protocols (@FND)
+- [#821](https://github.com/request/request/pull/821) added secureOptions back (@nw)
+- [#815](https://github.com/request/request/pull/815) Create changelog based on pull requests (@lalitkapoor)
+
+### v2.34.0 (2014/02/18)
+- [#516](https://github.com/request/request/pull/516) UNIX Socket URL Support (@lyuzashi)
+- [#801](https://github.com/request/request/pull/801) 794 ignore cookie parsing and domain errors (@lalitkapoor)
+- [#802](https://github.com/request/request/pull/802) Added the Apache license to the package.json. (@keskival)
+- [#793](https://github.com/request/request/pull/793) Adds content-length calculation when submitting forms using form-data li... (@Juul)
+- [#785](https://github.com/request/request/pull/785) Provide ability to override content-type when `json` option used (@vvo)
+- [#781](https://github.com/request/request/pull/781) simpler isReadStream function (@joaojeronimo)
+
+### v2.32.0 (2014/01/16)
+- [#767](https://github.com/request/request/pull/767) Use tough-cookie CookieJar sync API (@stash)
+- [#764](https://github.com/request/request/pull/764) Case-insensitive authentication scheme (@bobyrizov)
+- [#763](https://github.com/request/request/pull/763) Upgrade tough-cookie to 0.10.0 (@stash)
+- [#744](https://github.com/request/request/pull/744) Use Cookie.parse (@lalitkapoor)
+- [#757](https://github.com/request/request/pull/757) require aws-sign2 (@mafintosh)
+
+### v2.31.0 (2014/01/08)
+- [#645](https://github.com/request/request/pull/645) update twitter api url to v1.1 (@mick)
+- [#746](https://github.com/request/request/pull/746) README: Markdown code highlight (@weakish)
+- [#745](https://github.com/request/request/pull/745) updating setCookie example to make it clear that the callback is required (@emkay)
+- [#742](https://github.com/request/request/pull/742) Add note about JSON output body type (@iansltx)
+- [#741](https://github.com/request/request/pull/741) README example is using old cookie jar api (@emkay)
+- [#736](https://github.com/request/request/pull/736) Fix callback arguments documentation (@mmalecki)
+- [#732](https://github.com/request/request/pull/732) JSHINT: Creating global 'for' variable. Should be 'for (var ...'. (@Fritz-Lium)
+- [#730](https://github.com/request/request/pull/730) better HTTP DIGEST support (@dai-shi)
+- [#728](https://github.com/request/request/pull/728) Fix TypeError when calling request.cookie (@scarletmeow)
+- [#727](https://github.com/request/request/pull/727) fix requester bug (@jchris)
+- [#724](https://github.com/request/request/pull/724) README.md: add custom HTTP Headers example. (@tcort)
+- [#719](https://github.com/request/request/pull/719) Made a comment gender neutral. (@unsetbit)
+- [#715](https://github.com/request/request/pull/715) Request.multipart no longer crashes when header 'Content-type' present (@pastaclub)
+- [#710](https://github.com/request/request/pull/710) Fixing listing in callback part of docs. (@lukasz-zak)
+- [#696](https://github.com/request/request/pull/696) Edited README.md for formatting and clarity of phrasing (@Zearin)
+- [#694](https://github.com/request/request/pull/694) Typo in README (@VRMink)
+- [#690](https://github.com/request/request/pull/690) Handle blank password in basic auth. (@diversario)
+- [#682](https://github.com/request/request/pull/682) Optional dependencies (@Turbo87)
+- [#683](https://github.com/request/request/pull/683) Travis CI support (@Turbo87)
+- [#674](https://github.com/request/request/pull/674) change cookie module,to tough-cookie.please check it . (@sxyizhiren)
+- [#666](https://github.com/request/request/pull/666) make `ciphers` and `secureProtocol` to work in https request (@richarddong)
+- [#656](https://github.com/request/request/pull/656) Test case for #304. (@diversario)
+- [#662](https://github.com/request/request/pull/662) option.tunnel to explicitly disable tunneling (@seanmonstar)
+- [#659](https://github.com/request/request/pull/659) fix failure when running with NODE_DEBUG=request, and a test for that (@jrgm)
+- [#630](https://github.com/request/request/pull/630) Send random cnonce for HTTP Digest requests (@wprl)
+- [#619](https://github.com/request/request/pull/619) decouple things a bit (@joaojeronimo)
+- [#613](https://github.com/request/request/pull/613) Fixes #583, moved initialization of self.uri.pathname (@lexander)
+- [#605](https://github.com/request/request/pull/605) Only include ":" + pass in Basic Auth if it's defined (fixes #602) (@bendrucker)
+- [#596](https://github.com/request/request/pull/596) Global agent is being used when pool is specified (@Cauldrath)
+- [#594](https://github.com/request/request/pull/594) Emit complete event when there is no callback (@RomainLK)
+- [#601](https://github.com/request/request/pull/601) Fixed a small typo (@michalstanko)
+- [#589](https://github.com/request/request/pull/589) Prevent setting headers after they are sent (@geek)
+- [#587](https://github.com/request/request/pull/587) Global cookie jar disabled by default (@threepointone)
+- [#544](https://github.com/request/request/pull/544) Update http-signature version. (@davidlehn)
+- [#581](https://github.com/request/request/pull/581) Fix spelling of "ignoring." (@bigeasy)
+- [#568](https://github.com/request/request/pull/568) use agentOptions to create agent when specified in request (@SamPlacette)
+- [#564](https://github.com/request/request/pull/564) Fix redirections (@criloz)
+- [#541](https://github.com/request/request/pull/541) The exported request function doesn't have an auth method (@tschaub)
+- [#542](https://github.com/request/request/pull/542) Expose Request class (@regality)
+- [#536](https://github.com/request/request/pull/536) Allow explicitly empty user field for basic authentication. (@mikeando)
+- [#532](https://github.com/request/request/pull/532) fix typo (@fredericosilva)
+- [#497](https://github.com/request/request/pull/497) Added redirect event (@Cauldrath)
+- [#503](https://github.com/request/request/pull/503) Fix basic auth for passwords that contain colons (@tonistiigi)
+- [#521](https://github.com/request/request/pull/521) Improving test-localAddress.js (@noway)
+- [#529](https://github.com/request/request/pull/529) dependencies versions bump (@jodaka)
+- [#523](https://github.com/request/request/pull/523) Updating dependencies (@noway)
+- [#520](https://github.com/request/request/pull/520) Fixing test-tunnel.js (@noway)
+- [#519](https://github.com/request/request/pull/519) Update internal path state on post-creation QS changes (@jblebrun)
+- [#510](https://github.com/request/request/pull/510) Add HTTP Signature support. (@davidlehn)
+- [#502](https://github.com/request/request/pull/502) Fix POST (and probably other) requests that are retried after 401 Unauthorized (@nylen)
+- [#508](https://github.com/request/request/pull/508) Honor the .strictSSL option when using proxies (tunnel-agent) (@jhs)
+- [#512](https://github.com/request/request/pull/512) Make password optional to support the format: http://username@hostname/ (@pajato1)
+- [#513](https://github.com/request/request/pull/513) add 'localAddress' support (@yyfrankyy)
+- [#498](https://github.com/request/request/pull/498) Moving response emit above setHeaders on destination streams (@kenperkins)
+- [#490](https://github.com/request/request/pull/490) Empty response body (3-rd argument) must be passed to callback as an empty string (@Olegas)
+- [#479](https://github.com/request/request/pull/479) Changing so if Accept header is explicitly set, sending json does not ov... (@RoryH)
+- [#475](https://github.com/request/request/pull/475) Use `unescape` from `querystring` (@shimaore)
+- [#473](https://github.com/request/request/pull/473) V0.10 compat (@isaacs)
+- [#471](https://github.com/request/request/pull/471) Using querystring library from visionmedia (@kbackowski)
+- [#461](https://github.com/request/request/pull/461) Strip the UTF8 BOM from a UTF encoded response (@kppullin)
+- [#460](https://github.com/request/request/pull/460) hawk 0.10.0 (@hueniverse)
+- [#462](https://github.com/request/request/pull/462) if query params are empty, then request path shouldn't end with a '?' (merges cleanly now) (@jaipandya)
+- [#456](https://github.com/request/request/pull/456) hawk 0.9.0 (@hueniverse)
+- [#429](https://github.com/request/request/pull/429) Copy options before adding callback. (@nrn, @nfriedly, @youurayy, @jplock, @kapetan, @landeiro, @othiym23, @mmalecki)
+- [#454](https://github.com/request/request/pull/454) Destroy the response if present when destroying the request (clean merge) (@mafintosh)
+- [#310](https://github.com/request/request/pull/310) Twitter Oauth Stuff Out of Date; Now Updated (@joemccann, @isaacs, @mscdex)
+- [#413](https://github.com/request/request/pull/413) rename googledoodle.png to .jpg (@nfriedly, @youurayy, @jplock, @kapetan, @landeiro, @othiym23, @mmalecki)
+- [#448](https://github.com/request/request/pull/448) Convenience method for PATCH (@mloar)
+- [#444](https://github.com/request/request/pull/444) protect against double callbacks on error path (@spollack)
+- [#433](https://github.com/request/request/pull/433) Added support for HTTPS cert & key (@mmalecki)
+- [#430](https://github.com/request/request/pull/430) Respect specified {Host,host} headers, not just {host} (@andrewschaaf)
+- [#415](https://github.com/request/request/pull/415) Fixed a typo. (@jerem)
+- [#338](https://github.com/request/request/pull/338) Add more auth options, including digest support (@nylen)
+- [#403](https://github.com/request/request/pull/403) Optimize environment lookup to happen once only (@mmalecki)
+- [#398](https://github.com/request/request/pull/398) Add more reporting to tests (@mmalecki)
+- [#388](https://github.com/request/request/pull/388) Ensure "safe" toJSON doesn't break EventEmitters (@othiym23)
+- [#381](https://github.com/request/request/pull/381) Resolving "Invalid signature. Expected signature base string: " (@landeiro)
+- [#380](https://github.com/request/request/pull/380) Fixes missing host header on retried request when using forever agent (@mac-)
+- [#376](https://github.com/request/request/pull/376) Headers lost on redirect (@kapetan)
+- [#375](https://github.com/request/request/pull/375) Fix for missing oauth_timestamp parameter (@jplock)
+- [#374](https://github.com/request/request/pull/374) Correct Host header for proxy tunnel CONNECT (@youurayy)
+- [#370](https://github.com/request/request/pull/370) Twitter reverse auth uses x_auth_mode not x_auth_type (@drudge)
+- [#369](https://github.com/request/request/pull/369) Don't remove x_auth_mode for Twitter reverse auth (@drudge)
+- [#344](https://github.com/request/request/pull/344) Make AWS auth signing find headers correctly (@nlf)
+- [#363](https://github.com/request/request/pull/363) rfc3986 on base_uri, now passes tests (@jeffmarshall)
+- [#362](https://github.com/request/request/pull/362) Running `rfc3986` on `base_uri` in `oauth.hmacsign` instead of just `encodeURIComponent` (@jeffmarshall)
+- [#361](https://github.com/request/request/pull/361) Don't create a Content-Length header if we already have it set (@danjenkins)
+- [#360](https://github.com/request/request/pull/360) Delete self._form along with everything else on redirect (@jgautier)
+- [#355](https://github.com/request/request/pull/355) stop sending erroneous headers on redirected requests (@azylman)
+- [#332](https://github.com/request/request/pull/332) Fix #296 - Only set Content-Type if body exists (@Marsup)
+- [#343](https://github.com/request/request/pull/343) Allow AWS to work in more situations, added a note in the README on its usage (@nlf)
+- [#320](https://github.com/request/request/pull/320) request.defaults() doesn't need to wrap jar() (@StuartHarris)
+- [#322](https://github.com/request/request/pull/322) Fix + test for piped into request bumped into redirect. #321 (@alexindigo)
+- [#326](https://github.com/request/request/pull/326) Do not try to remove listener from an undefined connection (@CartoDB)
+- [#318](https://github.com/request/request/pull/318) Pass servername to tunneling secure socket creation (@isaacs)
+- [#317](https://github.com/request/request/pull/317) Workaround for #313 (@isaacs)
+- [#293](https://github.com/request/request/pull/293) Allow parser errors to bubble up to request (@mscdex)
+- [#290](https://github.com/request/request/pull/290) A test for #289 (@isaacs)
+- [#280](https://github.com/request/request/pull/280) Like in node.js print options if NODE_DEBUG contains the word request (@Filirom1)
+- [#207](https://github.com/request/request/pull/207) Fix #206 Change HTTP/HTTPS agent when redirecting between protocols (@isaacs)
+- [#214](https://github.com/request/request/pull/214) documenting additional behavior of json option (@jphaas, @vpulim)
+- [#272](https://github.com/request/request/pull/272) Boundary begins with CRLF? (@elspoono, @timshadel, @naholyr, @nanodocumet, @TehShrike)
+- [#284](https://github.com/request/request/pull/284) Remove stray `console.log()` call in multipart generator. (@bcherry)
+- [#241](https://github.com/request/request/pull/241) Composability updates suggested by issue #239 (@polotek)
+- [#282](https://github.com/request/request/pull/282) OAuth Authorization header contains non-"oauth_" parameters (@jplock)
+- [#279](https://github.com/request/request/pull/279) fix tests with boundary by injecting boundry from header (@benatkin)
+- [#273](https://github.com/request/request/pull/273) Pipe back pressure issue (@mafintosh)
+- [#268](https://github.com/request/request/pull/268) I'm not OCD seriously (@TehShrike)
+- [#263](https://github.com/request/request/pull/263) Bug in OAuth key generation for sha1 (@nanodocumet)
+- [#265](https://github.com/request/request/pull/265) uncaughtException when redirected to invalid URI (@naholyr)
+- [#262](https://github.com/request/request/pull/262) JSON test should check for equality (@timshadel)
+- [#261](https://github.com/request/request/pull/261) Setting 'pool' to 'false' does NOT disable Agent pooling (@timshadel)
+- [#249](https://github.com/request/request/pull/249) Fix for the fix of your (closed) issue #89 where self.headers[content-length] is set to 0 for all methods (@sethbridges, @polotek, @zephrax, @jeromegn)
+- [#255](https://github.com/request/request/pull/255) multipart allow body === '' ( the empty string ) (@Filirom1)
+- [#260](https://github.com/request/request/pull/260) fixed just another leak of 'i' (@sreuter)
+- [#246](https://github.com/request/request/pull/246) Fixing the set-cookie header (@jeromegn)
+- [#243](https://github.com/request/request/pull/243) Dynamic boundary (@zephrax)
+- [#240](https://github.com/request/request/pull/240) don't error when null is passed for options (@polotek)
+- [#211](https://github.com/request/request/pull/211) Replace all occurrences of special chars in RFC3986 (@chriso, @vpulim)
+- [#224](https://github.com/request/request/pull/224) Multipart content-type change (@janjongboom)
+- [#217](https://github.com/request/request/pull/217) need to use Authorization (titlecase) header with Tumblr OAuth (@visnup)
+- [#203](https://github.com/request/request/pull/203) Fix cookie and redirect bugs and add auth support for HTTPS tunnel (@vpulim)
+- [#199](https://github.com/request/request/pull/199) Tunnel (@isaacs)
+- [#198](https://github.com/request/request/pull/198) Bugfix on forever usage of util.inherits (@isaacs)
+- [#197](https://github.com/request/request/pull/197) Make ForeverAgent work with HTTPS (@isaacs)
+- [#193](https://github.com/request/request/pull/193) Fixes GH-119 (@goatslacker)
+- [#188](https://github.com/request/request/pull/188) Add abort support to the returned request (@itay)
+- [#176](https://github.com/request/request/pull/176) Querystring option (@csainty)
+- [#182](https://github.com/request/request/pull/182) Fix request.defaults to support (uri, options, callback) api (@twilson63)
+- [#180](https://github.com/request/request/pull/180) Modified the post, put, head and del shortcuts to support uri optional param (@twilson63)
+- [#179](https://github.com/request/request/pull/179) fix to add opts in .pipe(stream, opts) (@substack)
+- [#177](https://github.com/request/request/pull/177) Issue #173 Support uri as first and optional config as second argument (@twilson63)
+- [#170](https://github.com/request/request/pull/170) can't create a cookie in a wrapped request (defaults) (@fabianonunes)
+- [#168](https://github.com/request/request/pull/168) Picking off an EasyFix by adding some missing mimetypes. (@serby)
+- [#161](https://github.com/request/request/pull/161) Fix cookie jar/headers.cookie collision (#125) (@papandreou)
+- [#162](https://github.com/request/request/pull/162) Fix issue #159 (@dpetukhov)
+- [#90](https://github.com/request/request/pull/90) add option followAllRedirects to follow post/put redirects (@jroes)
+- [#148](https://github.com/request/request/pull/148) Retry Agent (@thejh)
+- [#146](https://github.com/request/request/pull/146) Multipart should respect content-type if previously set (@apeace)
+- [#144](https://github.com/request/request/pull/144) added "form" option to readme (@petejkim)
+- [#133](https://github.com/request/request/pull/133) Fixed cookies parsing (@afanasy)
+- [#135](https://github.com/request/request/pull/135) host vs hostname (@iangreenleaf)
+- [#132](https://github.com/request/request/pull/132) return the body as a Buffer when encoding is set to null (@jahewson)
+- [#112](https://github.com/request/request/pull/112) Support using a custom http-like module (@jhs)
+- [#104](https://github.com/request/request/pull/104) Cookie handling contains bugs (@janjongboom)
+- [#121](https://github.com/request/request/pull/121) Another patch for cookie handling regression (@jhurliman)
+- [#117](https://github.com/request/request/pull/117) Remove the global `i` (@3rd-Eden)
+- [#110](https://github.com/request/request/pull/110) Update to Iris Couch URL (@jhs)
+- [#86](https://github.com/request/request/pull/86) Can't post binary to multipart requests (@kkaefer)
+- [#105](https://github.com/request/request/pull/105) added test for proxy option. (@dominictarr)
+- [#102](https://github.com/request/request/pull/102) Implemented cookies - closes issue 82: https://github.com/mikeal/request/issues/82 (@alessioalex)
+- [#97](https://github.com/request/request/pull/97) Typo in previous pull causes TypeError in non-0.5.11 versions (@isaacs)
+- [#96](https://github.com/request/request/pull/96) Authless parsed url host support (@isaacs)
+- [#81](https://github.com/request/request/pull/81) Enhance redirect handling (@danmactough)
+- [#78](https://github.com/request/request/pull/78) Don't try to do strictSSL for non-ssl connections (@isaacs)
+- [#76](https://github.com/request/request/pull/76) Bug when a request fails and a timeout is set (@Marsup)
+- [#70](https://github.com/request/request/pull/70) add test script to package.json (@isaacs, @aheckmann)
+- [#73](https://github.com/request/request/pull/73) Fix #71 Respect the strictSSL flag (@isaacs)
+- [#69](https://github.com/request/request/pull/69) Flatten chunked requests properly (@isaacs)
+- [#67](https://github.com/request/request/pull/67) fixed global variable leaks (@aheckmann)
+- [#66](https://github.com/request/request/pull/66) Do not overwrite established content-type headers for read stream deliver (@voodootikigod)
+- [#53](https://github.com/request/request/pull/53) Parse json: Issue #51 (@benatkin)
+- [#45](https://github.com/request/request/pull/45) Added timeout option (@mbrevoort)
+- [#35](https://github.com/request/request/pull/35) The "end" event isn't emitted for some responses (@voxpelli)
+- [#31](https://github.com/request/request/pull/31) Error on piping a request to a destination (@tobowers)
\ No newline at end of file
diff --git a/node_modules/request/LICENSE b/node_modules/request/LICENSE
new file mode 100644
index 000000000..a4a9aee0c
--- /dev/null
+++ b/node_modules/request/LICENSE
@@ -0,0 +1,55 @@
+Apache License
+
+Version 2.0, January 2004
+
+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+"License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document.
+
+"Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License.
+
+"Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.
+
+"You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
+
+"Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files.
+
+"Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types.
+
+"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below).
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+"Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof.
+
+"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
+
+"Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work.
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+2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
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+If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License. You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License.
+
+5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.
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+7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.
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+8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.
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+9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
+
+END OF TERMS AND CONDITIONS
\ No newline at end of file
diff --git a/node_modules/request/README.md b/node_modules/request/README.md
new file mode 100644
index 000000000..9da0eb7d8
--- /dev/null
+++ b/node_modules/request/README.md
@@ -0,0 +1,1133 @@
+# Deprecated!
+
+As of Feb 11th 2020, request is fully deprecated. No new changes are expected land. In fact, none have landed for some time.
+
+For more information about why request is deprecated and possible alternatives refer to
+[this issue](https://github.com/request/request/issues/3142).
+
+# Request - Simplified HTTP client
+
+[![npm package](https://nodei.co/npm/request.png?downloads=true&downloadRank=true&stars=true)](https://nodei.co/npm/request/)
+
+[![Build status](https://img.shields.io/travis/request/request/master.svg?style=flat-square)](https://travis-ci.org/request/request)
+[![Coverage](https://img.shields.io/codecov/c/github/request/request.svg?style=flat-square)](https://codecov.io/github/request/request?branch=master)
+[![Coverage](https://img.shields.io/coveralls/request/request.svg?style=flat-square)](https://coveralls.io/r/request/request)
+[![Dependency Status](https://img.shields.io/david/request/request.svg?style=flat-square)](https://david-dm.org/request/request)
+[![Known Vulnerabilities](https://snyk.io/test/npm/request/badge.svg?style=flat-square)](https://snyk.io/test/npm/request)
+[![Gitter](https://img.shields.io/badge/gitter-join_chat-blue.svg?style=flat-square)](https://gitter.im/request/request?utm_source=badge)
+
+
+## Super simple to use
+
+Request is designed to be the simplest way possible to make http calls. It supports HTTPS and follows redirects by default.
+
+```js
+const request = require('request');
+request('http://www.google.com', function (error, response, body) {
+  console.error('error:', error); // Print the error if one occurred
+  console.log('statusCode:', response && response.statusCode); // Print the response status code if a response was received
+  console.log('body:', body); // Print the HTML for the Google homepage.
+});
+```
+
+
+## Table of contents
+
+- [Streaming](#streaming)
+- [Promises & Async/Await](#promises--asyncawait)
+- [Forms](#forms)
+- [HTTP Authentication](#http-authentication)
+- [Custom HTTP Headers](#custom-http-headers)
+- [OAuth Signing](#oauth-signing)
+- [Proxies](#proxies)
+- [Unix Domain Sockets](#unix-domain-sockets)
+- [TLS/SSL Protocol](#tlsssl-protocol)
+- [Support for HAR 1.2](#support-for-har-12)
+- [**All Available Options**](#requestoptions-callback)
+
+Request also offers [convenience methods](#convenience-methods) like
+`request.defaults` and `request.post`, and there are
+lots of [usage examples](#examples) and several
+[debugging techniques](#debugging).
+
+
+---
+
+
+## Streaming
+
+You can stream any response to a file stream.
+
+```js
+request('http://google.com/doodle.png').pipe(fs.createWriteStream('doodle.png'))
+```
+
+You can also stream a file to a PUT or POST request. This method will also check the file extension against a mapping of file extensions to content-types (in this case `application/json`) and use the proper `content-type` in the PUT request (if the headers don’t already provide one).
+
+```js
+fs.createReadStream('file.json').pipe(request.put('http://mysite.com/obj.json'))
+```
+
+Request can also `pipe` to itself. When doing so, `content-type` and `content-length` are preserved in the PUT headers.
+
+```js
+request.get('http://google.com/img.png').pipe(request.put('http://mysite.com/img.png'))
+```
+
+Request emits a "response" event when a response is received. The `response` argument will be an instance of [http.IncomingMessage](https://nodejs.org/api/http.html#http_class_http_incomingmessage).
+
+```js
+request
+  .get('http://google.com/img.png')
+  .on('response', function(response) {
+    console.log(response.statusCode) // 200
+    console.log(response.headers['content-type']) // 'image/png'
+  })
+  .pipe(request.put('http://mysite.com/img.png'))
+```
+
+To easily handle errors when streaming requests, listen to the `error` event before piping:
+
+```js
+request
+  .get('http://mysite.com/doodle.png')
+  .on('error', function(err) {
+    console.error(err)
+  })
+  .pipe(fs.createWriteStream('doodle.png'))
+```
+
+Now let’s get fancy.
+
+```js
+http.createServer(function (req, resp) {
+  if (req.url === '/doodle.png') {
+    if (req.method === 'PUT') {
+      req.pipe(request.put('http://mysite.com/doodle.png'))
+    } else if (req.method === 'GET' || req.method === 'HEAD') {
+      request.get('http://mysite.com/doodle.png').pipe(resp)
+    }
+  }
+})
+```
+
+You can also `pipe()` from `http.ServerRequest` instances, as well as to `http.ServerResponse` instances. The HTTP method, headers, and entity-body data will be sent. Which means that, if you don't really care about security, you can do:
+
+```js
+http.createServer(function (req, resp) {
+  if (req.url === '/doodle.png') {
+    const x = request('http://mysite.com/doodle.png')
+    req.pipe(x)
+    x.pipe(resp)
+  }
+})
+```
+
+And since `pipe()` returns the destination stream in ≥ Node 0.5.x you can do one line proxying. :)
+
+```js
+req.pipe(request('http://mysite.com/doodle.png')).pipe(resp)
+```
+
+Also, none of this new functionality conflicts with requests previous features, it just expands them.
+
+```js
+const r = request.defaults({'proxy':'http://localproxy.com'})
+
+http.createServer(function (req, resp) {
+  if (req.url === '/doodle.png') {
+    r.get('http://google.com/doodle.png').pipe(resp)
+  }
+})
+```
+
+You can still use intermediate proxies, the requests will still follow HTTP forwards, etc.
+
+[back to top](#table-of-contents)
+
+
+---
+
+
+## Promises & Async/Await
+
+`request` supports both streaming and callback interfaces natively. If you'd like `request` to return a Promise instead, you can use an alternative interface wrapper for `request`. These wrappers can be useful if you prefer to work with Promises, or if you'd like to use `async`/`await` in ES2017.
+
+Several alternative interfaces are provided by the request team, including:
+- [`request-promise`](https://github.com/request/request-promise) (uses [Bluebird](https://github.com/petkaantonov/bluebird) Promises)
+- [`request-promise-native`](https://github.com/request/request-promise-native) (uses native Promises)
+- [`request-promise-any`](https://github.com/request/request-promise-any) (uses [any-promise](https://www.npmjs.com/package/any-promise) Promises)
+
+Also, [`util.promisify`](https://nodejs.org/api/util.html#util_util_promisify_original), which is available from Node.js v8.0 can be used to convert a regular function that takes a callback to return a promise instead.
+
+
+[back to top](#table-of-contents)
+
+
+---
+
+
+## Forms
+
+`request` supports `application/x-www-form-urlencoded` and `multipart/form-data` form uploads. For `multipart/related` refer to the `multipart` API.
+
+
+#### application/x-www-form-urlencoded (URL-Encoded Forms)
+
+URL-encoded forms are simple.
+
+```js
+request.post('http://service.com/upload', {form:{key:'value'}})
+// or
+request.post('http://service.com/upload').form({key:'value'})
+// or
+request.post({url:'http://service.com/upload', form: {key:'value'}}, function(err,httpResponse,body){ /* ... */ })
+```
+
+
+#### multipart/form-data (Multipart Form Uploads)
+
+For `multipart/form-data` we use the [form-data](https://github.com/form-data/form-data) library by [@felixge](https://github.com/felixge). For the most cases, you can pass your upload form data via the `formData` option.
+
+
+```js
+const formData = {
+  // Pass a simple key-value pair
+  my_field: 'my_value',
+  // Pass data via Buffers
+  my_buffer: Buffer.from([1, 2, 3]),
+  // Pass data via Streams
+  my_file: fs.createReadStream(__dirname + '/unicycle.jpg'),
+  // Pass multiple values /w an Array
+  attachments: [
+    fs.createReadStream(__dirname + '/attachment1.jpg'),
+    fs.createReadStream(__dirname + '/attachment2.jpg')
+  ],
+  // Pass optional meta-data with an 'options' object with style: {value: DATA, options: OPTIONS}
+  // Use case: for some types of streams, you'll need to provide "file"-related information manually.
+  // See the `form-data` README for more information about options: https://github.com/form-data/form-data
+  custom_file: {
+    value:  fs.createReadStream('/dev/urandom'),
+    options: {
+      filename: 'topsecret.jpg',
+      contentType: 'image/jpeg'
+    }
+  }
+};
+request.post({url:'http://service.com/upload', formData: formData}, function optionalCallback(err, httpResponse, body) {
+  if (err) {
+    return console.error('upload failed:', err);
+  }
+  console.log('Upload successful!  Server responded with:', body);
+});
+```
+
+For advanced cases, you can access the form-data object itself via `r.form()`. This can be modified until the request is fired on the next cycle of the event-loop. (Note that this calling `form()` will clear the currently set form data for that request.)
+
+```js
+// NOTE: Advanced use-case, for normal use see 'formData' usage above
+const r = request.post('http://service.com/upload', function optionalCallback(err, httpResponse, body) {...})
+const form = r.form();
+form.append('my_field', 'my_value');
+form.append('my_buffer', Buffer.from([1, 2, 3]));
+form.append('custom_file', fs.createReadStream(__dirname + '/unicycle.jpg'), {filename: 'unicycle.jpg'});
+```
+See the [form-data README](https://github.com/form-data/form-data) for more information & examples.
+
+
+#### multipart/related
+
+Some variations in different HTTP implementations require a newline/CRLF before, after, or both before and after the boundary of a `multipart/related` request (using the multipart option). This has been observed in the .NET WebAPI version 4.0. You can turn on a boundary preambleCRLF or postamble by passing them as `true` to your request options.
+
+```js
+  request({
+    method: 'PUT',
+    preambleCRLF: true,
+    postambleCRLF: true,
+    uri: 'http://service.com/upload',
+    multipart: [
+      {
+        'content-type': 'application/json',
+        body: JSON.stringify({foo: 'bar', _attachments: {'message.txt': {follows: true, length: 18, 'content_type': 'text/plain' }}})
+      },
+      { body: 'I am an attachment' },
+      { body: fs.createReadStream('image.png') }
+    ],
+    // alternatively pass an object containing additional options
+    multipart: {
+      chunked: false,
+      data: [
+        {
+          'content-type': 'application/json',
+          body: JSON.stringify({foo: 'bar', _attachments: {'message.txt': {follows: true, length: 18, 'content_type': 'text/plain' }}})
+        },
+        { body: 'I am an attachment' }
+      ]
+    }
+  },
+  function (error, response, body) {
+    if (error) {
+      return console.error('upload failed:', error);
+    }
+    console.log('Upload successful!  Server responded with:', body);
+  })
+```
+
+[back to top](#table-of-contents)
+
+
+---
+
+
+## HTTP Authentication
+
+```js
+request.get('http://some.server.com/').auth('username', 'password', false);
+// or
+request.get('http://some.server.com/', {
+  'auth': {
+    'user': 'username',
+    'pass': 'password',
+    'sendImmediately': false
+  }
+});
+// or
+request.get('http://some.server.com/').auth(null, null, true, 'bearerToken');
+// or
+request.get('http://some.server.com/', {
+  'auth': {
+    'bearer': 'bearerToken'
+  }
+});
+```
+
+If passed as an option, `auth` should be a hash containing values:
+
+- `user` || `username`
+- `pass` || `password`
+- `sendImmediately` (optional)
+- `bearer` (optional)
+
+The method form takes parameters
+`auth(username, password, sendImmediately, bearer)`.
+
+`sendImmediately` defaults to `true`, which causes a basic or bearer
+authentication header to be sent. If `sendImmediately` is `false`, then
+`request` will retry with a proper authentication header after receiving a
+`401` response from the server (which must contain a `WWW-Authenticate` header
+indicating the required authentication method).
+
+Note that you can also specify basic authentication using the URL itself, as
+detailed in [RFC 1738](http://www.ietf.org/rfc/rfc1738.txt). Simply pass the
+`user:password` before the host with an `@` sign:
+
+```js
+const username = 'username',
+    password = 'password',
+    url = 'http://' + username + ':' + password + '@some.server.com';
+
+request({url}, function (error, response, body) {
+   // Do more stuff with 'body' here
+});
+```
+
+Digest authentication is supported, but it only works with `sendImmediately`
+set to `false`; otherwise `request` will send basic authentication on the
+initial request, which will probably cause the request to fail.
+
+Bearer authentication is supported, and is activated when the `bearer` value is
+available. The value may be either a `String` or a `Function` returning a
+`String`. Using a function to supply the bearer token is particularly useful if
+used in conjunction with `defaults` to allow a single function to supply the
+last known token at the time of sending a request, or to compute one on the fly.
+
+[back to top](#table-of-contents)
+
+
+---
+
+
+## Custom HTTP Headers
+
+HTTP Headers, such as `User-Agent`, can be set in the `options` object.
+In the example below, we call the github API to find out the number
+of stars and forks for the request repository. This requires a
+custom `User-Agent` header as well as https.
+
+```js
+const request = require('request');
+
+const options = {
+  url: 'https://api.github.com/repos/request/request',
+  headers: {
+    'User-Agent': 'request'
+  }
+};
+
+function callback(error, response, body) {
+  if (!error && response.statusCode == 200) {
+    const info = JSON.parse(body);
+    console.log(info.stargazers_count + " Stars");
+    console.log(info.forks_count + " Forks");
+  }
+}
+
+request(options, callback);
+```
+
+[back to top](#table-of-contents)
+
+
+---
+
+
+## OAuth Signing
+
+[OAuth version 1.0](https://tools.ietf.org/html/rfc5849) is supported. The
+default signing algorithm is
+[HMAC-SHA1](https://tools.ietf.org/html/rfc5849#section-3.4.2):
+
+```js
+// OAuth1.0 - 3-legged server side flow (Twitter example)
+// step 1
+const qs = require('querystring')
+  , oauth =
+    { callback: 'http://mysite.com/callback/'
+    , consumer_key: CONSUMER_KEY
+    , consumer_secret: CONSUMER_SECRET
+    }
+  , url = 'https://api.twitter.com/oauth/request_token'
+  ;
+request.post({url:url, oauth:oauth}, function (e, r, body) {
+  // Ideally, you would take the body in the response
+  // and construct a URL that a user clicks on (like a sign in button).
+  // The verifier is only available in the response after a user has
+  // verified with twitter that they are authorizing your app.
+
+  // step 2
+  const req_data = qs.parse(body)
+  const uri = 'https://api.twitter.com/oauth/authenticate'
+    + '?' + qs.stringify({oauth_token: req_data.oauth_token})
+  // redirect the user to the authorize uri
+
+  // step 3
+  // after the user is redirected back to your server
+  const auth_data = qs.parse(body)
+    , oauth =
+      { consumer_key: CONSUMER_KEY
+      , consumer_secret: CONSUMER_SECRET
+      , token: auth_data.oauth_token
+      , token_secret: req_data.oauth_token_secret
+      , verifier: auth_data.oauth_verifier
+      }
+    , url = 'https://api.twitter.com/oauth/access_token'
+    ;
+  request.post({url:url, oauth:oauth}, function (e, r, body) {
+    // ready to make signed requests on behalf of the user
+    const perm_data = qs.parse(body)
+      , oauth =
+        { consumer_key: CONSUMER_KEY
+        , consumer_secret: CONSUMER_SECRET
+        , token: perm_data.oauth_token
+        , token_secret: perm_data.oauth_token_secret
+        }
+      , url = 'https://api.twitter.com/1.1/users/show.json'
+      , qs =
+        { screen_name: perm_data.screen_name
+        , user_id: perm_data.user_id
+        }
+      ;
+    request.get({url:url, oauth:oauth, qs:qs, json:true}, function (e, r, user) {
+      console.log(user)
+    })
+  })
+})
+```
+
+For [RSA-SHA1 signing](https://tools.ietf.org/html/rfc5849#section-3.4.3), make
+the following changes to the OAuth options object:
+* Pass `signature_method : 'RSA-SHA1'`
+* Instead of `consumer_secret`, specify a `private_key` string in
+  [PEM format](http://how2ssl.com/articles/working_with_pem_files/)
+
+For [PLAINTEXT signing](http://oauth.net/core/1.0/#anchor22), make
+the following changes to the OAuth options object:
+* Pass `signature_method : 'PLAINTEXT'`
+
+To send OAuth parameters via query params or in a post body as described in The
+[Consumer Request Parameters](http://oauth.net/core/1.0/#consumer_req_param)
+section of the oauth1 spec:
+* Pass `transport_method : 'query'` or `transport_method : 'body'` in the OAuth
+  options object.
+* `transport_method` defaults to `'header'`
+
+To use [Request Body Hash](https://oauth.googlecode.com/svn/spec/ext/body_hash/1.0/oauth-bodyhash.html) you can either
+* Manually generate the body hash and pass it as a string `body_hash: '...'`
+* Automatically generate the body hash by passing `body_hash: true`
+
+[back to top](#table-of-contents)
+
+
+---
+
+
+## Proxies
+
+If you specify a `proxy` option, then the request (and any subsequent
+redirects) will be sent via a connection to the proxy server.
+
+If your endpoint is an `https` url, and you are using a proxy, then
+request will send a `CONNECT` request to the proxy server *first*, and
+then use the supplied connection to connect to the endpoint.
+
+That is, first it will make a request like:
+
+```
+HTTP/1.1 CONNECT endpoint-server.com:80
+Host: proxy-server.com
+User-Agent: whatever user agent you specify
+```
+
+and then the proxy server make a TCP connection to `endpoint-server`
+on port `80`, and return a response that looks like:
+
+```
+HTTP/1.1 200 OK
+```
+
+At this point, the connection is left open, and the client is
+communicating directly with the `endpoint-server.com` machine.
+
+See [the wikipedia page on HTTP Tunneling](https://en.wikipedia.org/wiki/HTTP_tunnel)
+for more information.
+
+By default, when proxying `http` traffic, request will simply make a
+standard proxied `http` request. This is done by making the `url`
+section of the initial line of the request a fully qualified url to
+the endpoint.
+
+For example, it will make a single request that looks like:
+
+```
+HTTP/1.1 GET http://endpoint-server.com/some-url
+Host: proxy-server.com
+Other-Headers: all go here
+
+request body or whatever
+```
+
+Because a pure "http over http" tunnel offers no additional security
+or other features, it is generally simpler to go with a
+straightforward HTTP proxy in this case. However, if you would like
+to force a tunneling proxy, you may set the `tunnel` option to `true`.
+
+You can also make a standard proxied `http` request by explicitly setting
+`tunnel : false`, but **note that this will allow the proxy to see the traffic
+to/from the destination server**.
+
+If you are using a tunneling proxy, you may set the
+`proxyHeaderWhiteList` to share certain headers with the proxy.
+
+You can also set the `proxyHeaderExclusiveList` to share certain
+headers only with the proxy and not with destination host.
+
+By default, this set is:
+
+```
+accept
+accept-charset
+accept-encoding
+accept-language
+accept-ranges
+cache-control
+content-encoding
+content-language
+content-length
+content-location
+content-md5
+content-range
+content-type
+connection
+date
+expect
+max-forwards
+pragma
+proxy-authorization
+referer
+te
+transfer-encoding
+user-agent
+via
+```
+
+Note that, when using a tunneling proxy, the `proxy-authorization`
+header and any headers from custom `proxyHeaderExclusiveList` are
+*never* sent to the endpoint server, but only to the proxy server.
+
+
+### Controlling proxy behaviour using environment variables
+
+The following environment variables are respected by `request`:
+
+ * `HTTP_PROXY` / `http_proxy`
+ * `HTTPS_PROXY` / `https_proxy`
+ * `NO_PROXY` / `no_proxy`
+
+When `HTTP_PROXY` / `http_proxy` are set, they will be used to proxy non-SSL requests that do not have an explicit `proxy` configuration option present. Similarly, `HTTPS_PROXY` / `https_proxy` will be respected for SSL requests that do not have an explicit `proxy` configuration option. It is valid to define a proxy in one of the environment variables, but then override it for a specific request, using the `proxy` configuration option. Furthermore, the `proxy` configuration option can be explicitly set to false / null to opt out of proxying altogether for that request.
+
+`request` is also aware of the `NO_PROXY`/`no_proxy` environment variables. These variables provide a granular way to opt out of proxying, on a per-host basis. It should contain a comma separated list of hosts to opt out of proxying. It is also possible to opt of proxying when a particular destination port is used. Finally, the variable may be set to `*` to opt out of the implicit proxy configuration of the other environment variables.
+
+Here's some examples of valid `no_proxy` values:
+
+ * `google.com` - don't proxy HTTP/HTTPS requests to Google.
+ * `google.com:443` - don't proxy HTTPS requests to Google, but *do* proxy HTTP requests to Google.
+ * `google.com:443, yahoo.com:80` - don't proxy HTTPS requests to Google, and don't proxy HTTP requests to Yahoo!
+ * `*` - ignore `https_proxy`/`http_proxy` environment variables altogether.
+
+[back to top](#table-of-contents)
+
+
+---
+
+
+## UNIX Domain Sockets
+
+`request` supports making requests to [UNIX Domain Sockets](https://en.wikipedia.org/wiki/Unix_domain_socket). To make one, use the following URL scheme:
+
+```js
+/* Pattern */ 'http://unix:SOCKET:PATH'
+/* Example */ request.get('http://unix:/absolute/path/to/unix.socket:/request/path')
+```
+
+Note: The `SOCKET` path is assumed to be absolute to the root of the host file system.
+
+[back to top](#table-of-contents)
+
+
+---
+
+
+## TLS/SSL Protocol
+
+TLS/SSL Protocol options, such as `cert`, `key` and `passphrase`, can be
+set directly in `options` object, in the `agentOptions` property of the `options` object, or even in `https.globalAgent.options`. Keep in mind that, although `agentOptions` allows for a slightly wider range of configurations, the recommended way is via `options` object directly, as using `agentOptions` or `https.globalAgent.options` would not be applied in the same way in proxied environments (as data travels through a TLS connection instead of an http/https agent).
+
+```js
+const fs = require('fs')
+    , path = require('path')
+    , certFile = path.resolve(__dirname, 'ssl/client.crt')
+    , keyFile = path.resolve(__dirname, 'ssl/client.key')
+    , caFile = path.resolve(__dirname, 'ssl/ca.cert.pem')
+    , request = require('request');
+
+const options = {
+    url: 'https://api.some-server.com/',
+    cert: fs.readFileSync(certFile),
+    key: fs.readFileSync(keyFile),
+    passphrase: 'password',
+    ca: fs.readFileSync(caFile)
+};
+
+request.get(options);
+```
+
+### Using `options.agentOptions`
+
+In the example below, we call an API that requires client side SSL certificate
+(in PEM format) with passphrase protected private key (in PEM format) and disable the SSLv3 protocol:
+
+```js
+const fs = require('fs')
+    , path = require('path')
+    , certFile = path.resolve(__dirname, 'ssl/client.crt')
+    , keyFile = path.resolve(__dirname, 'ssl/client.key')
+    , request = require('request');
+
+const options = {
+    url: 'https://api.some-server.com/',
+    agentOptions: {
+        cert: fs.readFileSync(certFile),
+        key: fs.readFileSync(keyFile),
+        // Or use `pfx` property replacing `cert` and `key` when using private key, certificate and CA certs in PFX or PKCS12 format:
+        // pfx: fs.readFileSync(pfxFilePath),
+        passphrase: 'password',
+        securityOptions: 'SSL_OP_NO_SSLv3'
+    }
+};
+
+request.get(options);
+```
+
+It is able to force using SSLv3 only by specifying `secureProtocol`:
+
+```js
+request.get({
+    url: 'https://api.some-server.com/',
+    agentOptions: {
+        secureProtocol: 'SSLv3_method'
+    }
+});
+```
+
+It is possible to accept other certificates than those signed by generally allowed Certificate Authorities (CAs).
+This can be useful, for example,  when using self-signed certificates.
+To require a different root certificate, you can specify the signing CA by adding the contents of the CA's certificate file to the `agentOptions`.
+The certificate the domain presents must be signed by the root certificate specified:
+
+```js
+request.get({
+    url: 'https://api.some-server.com/',
+    agentOptions: {
+        ca: fs.readFileSync('ca.cert.pem')
+    }
+});
+```
+
+The `ca` value can be an array of certificates, in the event you have a private or internal corporate public-key infrastructure hierarchy. For example, if you want to connect to https://api.some-server.com which presents a key chain consisting of:
+1. its own public key, which is signed by:
+2. an intermediate "Corp Issuing Server", that is in turn signed by: 
+3. a root CA "Corp Root CA";
+
+you can configure your request as follows:
+
+```js
+request.get({
+    url: 'https://api.some-server.com/',
+    agentOptions: {
+        ca: [
+          fs.readFileSync('Corp Issuing Server.pem'),
+          fs.readFileSync('Corp Root CA.pem')
+        ]
+    }
+});
+```
+
+[back to top](#table-of-contents)
+
+
+---
+
+## Support for HAR 1.2
+
+The `options.har` property will override the values: `url`, `method`, `qs`, `headers`, `form`, `formData`, `body`, `json`, as well as construct multipart data and read files from disk when `request.postData.params[].fileName` is present without a matching `value`.
+
+A validation step will check if the HAR Request format matches the latest spec (v1.2) and will skip parsing if not matching.
+
+```js
+  const request = require('request')
+  request({
+    // will be ignored
+    method: 'GET',
+    uri: 'http://www.google.com',
+
+    // HTTP Archive Request Object
+    har: {
+      url: 'http://www.mockbin.com/har',
+      method: 'POST',
+      headers: [
+        {
+          name: 'content-type',
+          value: 'application/x-www-form-urlencoded'
+        }
+      ],
+      postData: {
+        mimeType: 'application/x-www-form-urlencoded',
+        params: [
+          {
+            name: 'foo',
+            value: 'bar'
+          },
+          {
+            name: 'hello',
+            value: 'world'
+          }
+        ]
+      }
+    }
+  })
+
+  // a POST request will be sent to http://www.mockbin.com
+  // with body an application/x-www-form-urlencoded body:
+  // foo=bar&hello=world
+```
+
+[back to top](#table-of-contents)
+
+
+---
+
+## request(options, callback)
+
+The first argument can be either a `url` or an `options` object. The only required option is `uri`; all others are optional.
+
+- `uri` || `url` - fully qualified uri or a parsed url object from `url.parse()`
+- `baseUrl` - fully qualified uri string used as the base url. Most useful with `request.defaults`, for example when you want to do many requests to the same domain. If `baseUrl` is `https://example.com/api/`, then requesting `/end/point?test=true` will fetch `https://example.com/api/end/point?test=true`. When `baseUrl` is given, `uri` must also be a string.
+- `method` - http method (default: `"GET"`)
+- `headers` - http headers (default: `{}`)
+
+---
+
+- `qs` - object containing querystring values to be appended to the `uri`
+- `qsParseOptions` - object containing options to pass to the [qs.parse](https://github.com/hapijs/qs#parsing-objects) method. Alternatively pass options to the [querystring.parse](https://nodejs.org/docs/v0.12.0/api/querystring.html#querystring_querystring_parse_str_sep_eq_options) method using this format `{sep:';', eq:':', options:{}}`
+- `qsStringifyOptions` - object containing options to pass to the [qs.stringify](https://github.com/hapijs/qs#stringifying) method. Alternatively pass options to the  [querystring.stringify](https://nodejs.org/docs/v0.12.0/api/querystring.html#querystring_querystring_stringify_obj_sep_eq_options) method using this format `{sep:';', eq:':', options:{}}`. For example, to change the way arrays are converted to query strings using the `qs` module pass the `arrayFormat` option with one of `indices|brackets|repeat`
+- `useQuerystring` - if true, use `querystring` to stringify and parse
+  querystrings, otherwise use `qs` (default: `false`). Set this option to
+  `true` if you need arrays to be serialized as `foo=bar&foo=baz` instead of the
+  default `foo[0]=bar&foo[1]=baz`.
+
+---
+
+- `body` - entity body for PATCH, POST and PUT requests. Must be a `Buffer`, `String` or `ReadStream`. If `json` is `true`, then `body` must be a JSON-serializable object.
+- `form` - when passed an object or a querystring, this sets `body` to a querystring representation of value, and adds `Content-type: application/x-www-form-urlencoded` header. When passed no options, a `FormData` instance is returned (and is piped to request). See "Forms" section above.
+- `formData` - data to pass for a `multipart/form-data` request. See
+  [Forms](#forms) section above.
+- `multipart` - array of objects which contain their own headers and `body`
+  attributes. Sends a `multipart/related` request. See [Forms](#forms) section
+  above.
+  - Alternatively you can pass in an object `{chunked: false, data: []}` where
+    `chunked` is used to specify whether the request is sent in
+    [chunked transfer encoding](https://en.wikipedia.org/wiki/Chunked_transfer_encoding)
+    In non-chunked requests, data items with body streams are not allowed.
+- `preambleCRLF` - append a newline/CRLF before the boundary of your `multipart/form-data` request.
+- `postambleCRLF` - append a newline/CRLF at the end of the boundary of your `multipart/form-data` request.
+- `json` - sets `body` to JSON representation of value and adds `Content-type: application/json` header. Additionally, parses the response body as JSON.
+- `jsonReviver` - a [reviver function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse) that will be passed to `JSON.parse()` when parsing a JSON response body.
+- `jsonReplacer` - a [replacer function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify) that will be passed to `JSON.stringify()` when stringifying a JSON request body.
+
+---
+
+- `auth` - a hash containing values `user` || `username`, `pass` || `password`, and `sendImmediately` (optional). See documentation above.
+- `oauth` - options for OAuth HMAC-SHA1 signing. See documentation above.
+- `hawk` - options for [Hawk signing](https://github.com/hueniverse/hawk). The `credentials` key must contain the necessary signing info, [see hawk docs for details](https://github.com/hueniverse/hawk#usage-example).
+- `aws` - `object` containing AWS signing information. Should have the properties `key`, `secret`, and optionally `session` (note that this only works for services that require session as part of the canonical string). Also requires the property `bucket`, unless you’re specifying your `bucket` as part of the path, or the request doesn’t use a bucket (i.e. GET Services). If you want to use AWS sign version 4 use the parameter `sign_version` with value `4` otherwise the default is version 2. If you are using SigV4, you can also include a `service` property that specifies the service name. **Note:** you need to `npm install aws4` first.
+- `httpSignature` - options for the [HTTP Signature Scheme](https://github.com/joyent/node-http-signature/blob/master/http_signing.md) using [Joyent's library](https://github.com/joyent/node-http-signature). The `keyId` and `key` properties must be specified. See the docs for other options.
+
+---
+
+- `followRedirect` - follow HTTP 3xx responses as redirects (default: `true`). This property can also be implemented as function which gets `response` object as a single argument and should return `true` if redirects should continue or `false` otherwise.
+- `followAllRedirects` - follow non-GET HTTP 3xx responses as redirects (default: `false`)
+- `followOriginalHttpMethod` - by default we redirect to HTTP method GET. you can enable this property to redirect to the original HTTP method (default: `false`)
+- `maxRedirects` - the maximum number of redirects to follow (default: `10`)
+- `removeRefererHeader` - removes the referer header when a redirect happens (default: `false`). **Note:** if true, referer header set in the initial request is preserved during redirect chain.
+
+---
+
+- `encoding` - encoding to be used on `setEncoding` of response data. If `null`, the `body` is returned as a `Buffer`. Anything else **(including the default value of `undefined`)** will be passed as the [encoding](http://nodejs.org/api/buffer.html#buffer_buffer) parameter to `toString()` (meaning this is effectively `utf8` by default). (**Note:** if you expect binary data, you should set `encoding: null`.)
+- `gzip` - if `true`, add an `Accept-Encoding` header to request compressed content encodings from the server (if not already present) and decode supported content encodings in the response. **Note:** Automatic decoding of the response content is performed on the body data returned through `request` (both through the `request` stream and passed to the callback function) but is not performed on the `response` stream (available from the `response` event) which is the unmodified `http.IncomingMessage` object which may contain compressed data. See example below.
+- `jar` - if `true`, remember cookies for future use (or define your custom cookie jar; see examples section)
+
+---
+
+- `agent` - `http(s).Agent` instance to use
+- `agentClass` - alternatively specify your agent's class name
+- `agentOptions` - and pass its options. **Note:** for HTTPS see [tls API doc for TLS/SSL options](http://nodejs.org/api/tls.html#tls_tls_connect_options_callback) and the [documentation above](#using-optionsagentoptions).
+- `forever` - set to `true` to use the [forever-agent](https://github.com/request/forever-agent) **Note:** Defaults to `http(s).Agent({keepAlive:true})` in node 0.12+
+- `pool` - an object describing which agents to use for the request. If this option is omitted the request will use the global agent (as long as your options allow for it). Otherwise, request will search the pool for your custom agent. If no custom agent is found, a new agent will be created and added to the pool. **Note:** `pool` is used only when the `agent` option is not specified.
+  - A `maxSockets` property can also be provided on the `pool` object to set the max number of sockets for all agents created (ex: `pool: {maxSockets: Infinity}`).
+  - Note that if you are sending multiple requests in a loop and creating
+    multiple new `pool` objects, `maxSockets` will not work as intended. To
+    work around this, either use [`request.defaults`](#requestdefaultsoptions)
+    with your pool options or create the pool object with the `maxSockets`
+    property outside of the loop.
+- `timeout` - integer containing number of milliseconds, controls two timeouts.
+  - **Read timeout**: Time to wait for a server to send response headers (and start the response body) before aborting the request.
+  - **Connection timeout**: Sets the socket to timeout after `timeout` milliseconds of inactivity. Note that increasing the timeout beyond the OS-wide TCP connection timeout will not have any effect ([the default in Linux can be anywhere from 20-120 seconds][linux-timeout])
+
+[linux-timeout]: http://www.sekuda.com/overriding_the_default_linux_kernel_20_second_tcp_socket_connect_timeout
+
+---
+
+- `localAddress` - local interface to bind for network connections.
+- `proxy` - an HTTP proxy to be used. Supports proxy Auth with Basic Auth, identical to support for the `url` parameter (by embedding the auth info in the `uri`)
+- `strictSSL` - if `true`, requires SSL certificates be valid. **Note:** to use your own certificate authority, you need to specify an agent that was created with that CA as an option.
+- `tunnel` - controls the behavior of
+  [HTTP `CONNECT` tunneling](https://en.wikipedia.org/wiki/HTTP_tunnel#HTTP_CONNECT_tunneling)
+  as follows:
+   - `undefined` (default) - `true` if the destination is `https`, `false` otherwise
+   - `true` - always tunnel to the destination by making a `CONNECT` request to
+     the proxy
+   - `false` - request the destination as a `GET` request.
+- `proxyHeaderWhiteList` - a whitelist of headers to send to a
+  tunneling proxy.
+- `proxyHeaderExclusiveList` - a whitelist of headers to send
+  exclusively to a tunneling proxy and not to destination.
+
+---
+
+- `time` - if `true`, the request-response cycle (including all redirects) is timed at millisecond resolution. When set, the following properties are added to the response object:
+  - `elapsedTime` Duration of the entire request/response in milliseconds (*deprecated*).
+  - `responseStartTime` Timestamp when the response began (in Unix Epoch milliseconds) (*deprecated*).
+  - `timingStart` Timestamp of the start of the request (in Unix Epoch milliseconds).
+  - `timings` Contains event timestamps in millisecond resolution relative to `timingStart`. If there were redirects, the properties reflect the timings of the final request in the redirect chain:
+    - `socket` Relative timestamp when the [`http`](https://nodejs.org/api/http.html#http_event_socket) module's `socket` event fires. This happens when the socket is assigned to the request.
+    - `lookup` Relative timestamp when the [`net`](https://nodejs.org/api/net.html#net_event_lookup) module's `lookup` event fires. This happens when the DNS has been resolved.
+    - `connect`: Relative timestamp when the [`net`](https://nodejs.org/api/net.html#net_event_connect) module's `connect` event fires. This happens when the server acknowledges the TCP connection.
+    - `response`: Relative timestamp when the [`http`](https://nodejs.org/api/http.html#http_event_response) module's `response` event fires. This happens when the first bytes are received from the server.
+    - `end`: Relative timestamp when the last bytes of the response are received.
+  - `timingPhases` Contains the durations of each request phase. If there were redirects, the properties reflect the timings of the final request in the redirect chain:
+    - `wait`: Duration of socket initialization (`timings.socket`)
+    - `dns`: Duration of DNS lookup (`timings.lookup` - `timings.socket`)
+    - `tcp`: Duration of TCP connection (`timings.connect` - `timings.socket`)
+    - `firstByte`: Duration of HTTP server response (`timings.response` - `timings.connect`)
+    - `download`: Duration of HTTP download (`timings.end` - `timings.response`)
+    - `total`: Duration entire HTTP round-trip (`timings.end`)
+
+- `har` - a [HAR 1.2 Request Object](http://www.softwareishard.com/blog/har-12-spec/#request), will be processed from HAR format into options overwriting matching values *(see the [HAR 1.2 section](#support-for-har-12) for details)*
+- `callback` - alternatively pass the request's callback in the options object
+
+The callback argument gets 3 arguments:
+
+1. An `error` when applicable (usually from [`http.ClientRequest`](http://nodejs.org/api/http.html#http_class_http_clientrequest) object)
+2. An [`http.IncomingMessage`](https://nodejs.org/api/http.html#http_class_http_incomingmessage) object (Response object)
+3. The third is the `response` body (`String` or `Buffer`, or JSON object if the `json` option is supplied)
+
+[back to top](#table-of-contents)
+
+
+---
+
+## Convenience methods
+
+There are also shorthand methods for different HTTP METHODs and some other conveniences.
+
+
+### request.defaults(options)
+
+This method **returns a wrapper** around the normal request API that defaults
+to whatever options you pass to it.
+
+**Note:** `request.defaults()` **does not** modify the global request API;
+instead, it **returns a wrapper** that has your default settings applied to it.
+
+**Note:** You can call `.defaults()` on the wrapper that is returned from
+`request.defaults` to add/override defaults that were previously defaulted.
+
+For example:
+```js
+//requests using baseRequest() will set the 'x-token' header
+const baseRequest = request.defaults({
+  headers: {'x-token': 'my-token'}
+})
+
+//requests using specialRequest() will include the 'x-token' header set in
+//baseRequest and will also include the 'special' header
+const specialRequest = baseRequest.defaults({
+  headers: {special: 'special value'}
+})
+```
+
+### request.METHOD()
+
+These HTTP method convenience functions act just like `request()` but with a default method already set for you:
+
+- *request.get()*: Defaults to `method: "GET"`.
+- *request.post()*: Defaults to `method: "POST"`.
+- *request.put()*: Defaults to `method: "PUT"`.
+- *request.patch()*: Defaults to `method: "PATCH"`.
+- *request.del() / request.delete()*: Defaults to `method: "DELETE"`.
+- *request.head()*: Defaults to `method: "HEAD"`.
+- *request.options()*: Defaults to `method: "OPTIONS"`.
+
+### request.cookie()
+
+Function that creates a new cookie.
+
+```js
+request.cookie('key1=value1')
+```
+### request.jar()
+
+Function that creates a new cookie jar.
+
+```js
+request.jar()
+```
+
+### response.caseless.get('header-name')
+
+Function that returns the specified response header field using a [case-insensitive match](https://tools.ietf.org/html/rfc7230#section-3.2)
+
+```js
+request('http://www.google.com', function (error, response, body) {
+  // print the Content-Type header even if the server returned it as 'content-type' (lowercase)
+  console.log('Content-Type is:', response.caseless.get('Content-Type')); 
+});
+```
+
+[back to top](#table-of-contents)
+
+
+---
+
+
+## Debugging
+
+There are at least three ways to debug the operation of `request`:
+
+1. Launch the node process like `NODE_DEBUG=request node script.js`
+   (`lib,request,otherlib` works too).
+
+2. Set `require('request').debug = true` at any time (this does the same thing
+   as #1).
+
+3. Use the [request-debug module](https://github.com/request/request-debug) to
+   view request and response headers and bodies.
+
+[back to top](#table-of-contents)
+
+
+---
+
+## Timeouts
+
+Most requests to external servers should have a timeout attached, in case the
+server is not responding in a timely manner. Without a timeout, your code may
+have a socket open/consume resources for minutes or more.
+
+There are two main types of timeouts: **connection timeouts** and **read
+timeouts**. A connect timeout occurs if the timeout is hit while your client is
+attempting to establish a connection to a remote machine (corresponding to the
+[connect() call][connect] on the socket). A read timeout occurs any time the
+server is too slow to send back a part of the response.
+
+These two situations have widely different implications for what went wrong
+with the request, so it's useful to be able to distinguish them. You can detect
+timeout errors by checking `err.code` for an 'ETIMEDOUT' value. Further, you
+can detect whether the timeout was a connection timeout by checking if the
+`err.connect` property is set to `true`.
+
+```js
+request.get('http://10.255.255.1', {timeout: 1500}, function(err) {
+    console.log(err.code === 'ETIMEDOUT');
+    // Set to `true` if the timeout was a connection timeout, `false` or
+    // `undefined` otherwise.
+    console.log(err.connect === true);
+    process.exit(0);
+});
+```
+
+[connect]: http://linux.die.net/man/2/connect
+
+## Examples:
+
+```js
+  const request = require('request')
+    , rand = Math.floor(Math.random()*100000000).toString()
+    ;
+  request(
+    { method: 'PUT'
+    , uri: 'http://mikeal.iriscouch.com/testjs/' + rand
+    , multipart:
+      [ { 'content-type': 'application/json'
+        ,  body: JSON.stringify({foo: 'bar', _attachments: {'message.txt': {follows: true, length: 18, 'content_type': 'text/plain' }}})
+        }
+      , { body: 'I am an attachment' }
+      ]
+    }
+  , function (error, response, body) {
+      if(response.statusCode == 201){
+        console.log('document saved as: http://mikeal.iriscouch.com/testjs/'+ rand)
+      } else {
+        console.log('error: '+ response.statusCode)
+        console.log(body)
+      }
+    }
+  )
+```
+
+For backwards-compatibility, response compression is not supported by default.
+To accept gzip-compressed responses, set the `gzip` option to `true`. Note
+that the body data passed through `request` is automatically decompressed
+while the response object is unmodified and will contain compressed data if
+the server sent a compressed response.
+
+```js
+  const request = require('request')
+  request(
+    { method: 'GET'
+    , uri: 'http://www.google.com'
+    , gzip: true
+    }
+  , function (error, response, body) {
+      // body is the decompressed response body
+      console.log('server encoded the data as: ' + (response.headers['content-encoding'] || 'identity'))
+      console.log('the decoded data is: ' + body)
+    }
+  )
+  .on('data', function(data) {
+    // decompressed data as it is received
+    console.log('decoded chunk: ' + data)
+  })
+  .on('response', function(response) {
+    // unmodified http.IncomingMessage object
+    response.on('data', function(data) {
+      // compressed data as it is received
+      console.log('received ' + data.length + ' bytes of compressed data')
+    })
+  })
+```
+
+Cookies are disabled by default (else, they would be used in subsequent requests). To enable cookies, set `jar` to `true` (either in `defaults` or `options`).
+
+```js
+const request = request.defaults({jar: true})
+request('http://www.google.com', function () {
+  request('http://images.google.com')
+})
+```
+
+To use a custom cookie jar (instead of `request`’s global cookie jar), set `jar` to an instance of `request.jar()` (either in `defaults` or `options`)
+
+```js
+const j = request.jar()
+const request = request.defaults({jar:j})
+request('http://www.google.com', function () {
+  request('http://images.google.com')
+})
+```
+
+OR
+
+```js
+const j = request.jar();
+const cookie = request.cookie('key1=value1');
+const url = 'http://www.google.com';
+j.setCookie(cookie, url);
+request({url: url, jar: j}, function () {
+  request('http://images.google.com')
+})
+```
+
+To use a custom cookie store (such as a
+[`FileCookieStore`](https://github.com/mitsuru/tough-cookie-filestore)
+which supports saving to and restoring from JSON files), pass it as a parameter
+to `request.jar()`:
+
+```js
+const FileCookieStore = require('tough-cookie-filestore');
+// NOTE - currently the 'cookies.json' file must already exist!
+const j = request.jar(new FileCookieStore('cookies.json'));
+request = request.defaults({ jar : j })
+request('http://www.google.com', function() {
+  request('http://images.google.com')
+})
+```
+
+The cookie store must be a
+[`tough-cookie`](https://github.com/SalesforceEng/tough-cookie)
+store and it must support synchronous operations; see the
+[`CookieStore` API docs](https://github.com/SalesforceEng/tough-cookie#api)
+for details.
+
+To inspect your cookie jar after a request:
+
+```js
+const j = request.jar()
+request({url: 'http://www.google.com', jar: j}, function () {
+  const cookie_string = j.getCookieString(url); // "key1=value1; key2=value2; ..."
+  const cookies = j.getCookies(url);
+  // [{key: 'key1', value: 'value1', domain: "www.google.com", ...}, ...]
+})
+```
+
+[back to top](#table-of-contents)
diff --git a/node_modules/request/index.js b/node_modules/request/index.js
new file mode 100644
index 000000000..d50f9917b
--- /dev/null
+++ b/node_modules/request/index.js
@@ -0,0 +1,155 @@
+// Copyright 2010-2012 Mikeal Rogers
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//        http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+'use strict'
+
+var extend = require('extend')
+var cookies = require('./lib/cookies')
+var helpers = require('./lib/helpers')
+
+var paramsHaveRequestBody = helpers.paramsHaveRequestBody
+
+// organize params for patch, post, put, head, del
+function initParams (uri, options, callback) {
+  if (typeof options === 'function') {
+    callback = options
+  }
+
+  var params = {}
+  if (options !== null && typeof options === 'object') {
+    extend(params, options, {uri: uri})
+  } else if (typeof uri === 'string') {
+    extend(params, {uri: uri})
+  } else {
+    extend(params, uri)
+  }
+
+  params.callback = callback || params.callback
+  return params
+}
+
+function request (uri, options, callback) {
+  if (typeof uri === 'undefined') {
+    throw new Error('undefined is not a valid uri or options object.')
+  }
+
+  var params = initParams(uri, options, callback)
+
+  if (params.method === 'HEAD' && paramsHaveRequestBody(params)) {
+    throw new Error('HTTP HEAD requests MUST NOT include a request body.')
+  }
+
+  return new request.Request(params)
+}
+
+function verbFunc (verb) {
+  var method = verb.toUpperCase()
+  return function (uri, options, callback) {
+    var params = initParams(uri, options, callback)
+    params.method = method
+    return request(params, params.callback)
+  }
+}
+
+// define like this to please codeintel/intellisense IDEs
+request.get = verbFunc('get')
+request.head = verbFunc('head')
+request.options = verbFunc('options')
+request.post = verbFunc('post')
+request.put = verbFunc('put')
+request.patch = verbFunc('patch')
+request.del = verbFunc('delete')
+request['delete'] = verbFunc('delete')
+
+request.jar = function (store) {
+  return cookies.jar(store)
+}
+
+request.cookie = function (str) {
+  return cookies.parse(str)
+}
+
+function wrapRequestMethod (method, options, requester, verb) {
+  return function (uri, opts, callback) {
+    var params = initParams(uri, opts, callback)
+
+    var target = {}
+    extend(true, target, options, params)
+
+    target.pool = params.pool || options.pool
+
+    if (verb) {
+      target.method = verb.toUpperCase()
+    }
+
+    if (typeof requester === 'function') {
+      method = requester
+    }
+
+    return method(target, target.callback)
+  }
+}
+
+request.defaults = function (options, requester) {
+  var self = this
+
+  options = options || {}
+
+  if (typeof options === 'function') {
+    requester = options
+    options = {}
+  }
+
+  var defaults = wrapRequestMethod(self, options, requester)
+
+  var verbs = ['get', 'head', 'post', 'put', 'patch', 'del', 'delete']
+  verbs.forEach(function (verb) {
+    defaults[verb] = wrapRequestMethod(self[verb], options, requester, verb)
+  })
+
+  defaults.cookie = wrapRequestMethod(self.cookie, options, requester)
+  defaults.jar = self.jar
+  defaults.defaults = self.defaults
+  return defaults
+}
+
+request.forever = function (agentOptions, optionsArg) {
+  var options = {}
+  if (optionsArg) {
+    extend(options, optionsArg)
+  }
+  if (agentOptions) {
+    options.agentOptions = agentOptions
+  }
+
+  options.forever = true
+  return request.defaults(options)
+}
+
+// Exports
+
+module.exports = request
+request.Request = require('./request')
+request.initParams = initParams
+
+// Backwards compatibility for request.debug
+Object.defineProperty(request, 'debug', {
+  enumerable: true,
+  get: function () {
+    return request.Request.debug
+  },
+  set: function (debug) {
+    request.Request.debug = debug
+  }
+})
diff --git a/node_modules/request/lib/auth.js b/node_modules/request/lib/auth.js
new file mode 100644
index 000000000..02f203869
--- /dev/null
+++ b/node_modules/request/lib/auth.js
@@ -0,0 +1,167 @@
+'use strict'
+
+var caseless = require('caseless')
+var uuid = require('uuid/v4')
+var helpers = require('./helpers')
+
+var md5 = helpers.md5
+var toBase64 = helpers.toBase64
+
+function Auth (request) {
+  // define all public properties here
+  this.request = request
+  this.hasAuth = false
+  this.sentAuth = false
+  this.bearerToken = null
+  this.user = null
+  this.pass = null
+}
+
+Auth.prototype.basic = function (user, pass, sendImmediately) {
+  var self = this
+  if (typeof user !== 'string' || (pass !== undefined && typeof pass !== 'string')) {
+    self.request.emit('error', new Error('auth() received invalid user or password'))
+  }
+  self.user = user
+  self.pass = pass
+  self.hasAuth = true
+  var header = user + ':' + (pass || '')
+  if (sendImmediately || typeof sendImmediately === 'undefined') {
+    var authHeader = 'Basic ' + toBase64(header)
+    self.sentAuth = true
+    return authHeader
+  }
+}
+
+Auth.prototype.bearer = function (bearer, sendImmediately) {
+  var self = this
+  self.bearerToken = bearer
+  self.hasAuth = true
+  if (sendImmediately || typeof sendImmediately === 'undefined') {
+    if (typeof bearer === 'function') {
+      bearer = bearer()
+    }
+    var authHeader = 'Bearer ' + (bearer || '')
+    self.sentAuth = true
+    return authHeader
+  }
+}
+
+Auth.prototype.digest = function (method, path, authHeader) {
+  // TODO: More complete implementation of RFC 2617.
+  //   - handle challenge.domain
+  //   - support qop="auth-int" only
+  //   - handle Authentication-Info (not necessarily?)
+  //   - check challenge.stale (not necessarily?)
+  //   - increase nc (not necessarily?)
+  // For reference:
+  // http://tools.ietf.org/html/rfc2617#section-3
+  // https://github.com/bagder/curl/blob/master/lib/http_digest.c
+
+  var self = this
+
+  var challenge = {}
+  var re = /([a-z0-9_-]+)=(?:"([^"]+)"|([a-z0-9_-]+))/gi
+  while (true) {
+    var match = re.exec(authHeader)
+    if (!match) {
+      break
+    }
+    challenge[match[1]] = match[2] || match[3]
+  }
+
+  /**
+   * RFC 2617: handle both MD5 and MD5-sess algorithms.
+   *
+   * If the algorithm directive's value is "MD5" or unspecified, then HA1 is
+   *   HA1=MD5(username:realm:password)
+   * If the algorithm directive's value is "MD5-sess", then HA1 is
+   *   HA1=MD5(MD5(username:realm:password):nonce:cnonce)
+   */
+  var ha1Compute = function (algorithm, user, realm, pass, nonce, cnonce) {
+    var ha1 = md5(user + ':' + realm + ':' + pass)
+    if (algorithm && algorithm.toLowerCase() === 'md5-sess') {
+      return md5(ha1 + ':' + nonce + ':' + cnonce)
+    } else {
+      return ha1
+    }
+  }
+
+  var qop = /(^|,)\s*auth\s*($|,)/.test(challenge.qop) && 'auth'
+  var nc = qop && '00000001'
+  var cnonce = qop && uuid().replace(/-/g, '')
+  var ha1 = ha1Compute(challenge.algorithm, self.user, challenge.realm, self.pass, challenge.nonce, cnonce)
+  var ha2 = md5(method + ':' + path)
+  var digestResponse = qop
+    ? md5(ha1 + ':' + challenge.nonce + ':' + nc + ':' + cnonce + ':' + qop + ':' + ha2)
+    : md5(ha1 + ':' + challenge.nonce + ':' + ha2)
+  var authValues = {
+    username: self.user,
+    realm: challenge.realm,
+    nonce: challenge.nonce,
+    uri: path,
+    qop: qop,
+    response: digestResponse,
+    nc: nc,
+    cnonce: cnonce,
+    algorithm: challenge.algorithm,
+    opaque: challenge.opaque
+  }
+
+  authHeader = []
+  for (var k in authValues) {
+    if (authValues[k]) {
+      if (k === 'qop' || k === 'nc' || k === 'algorithm') {
+        authHeader.push(k + '=' + authValues[k])
+      } else {
+        authHeader.push(k + '="' + authValues[k] + '"')
+      }
+    }
+  }
+  authHeader = 'Digest ' + authHeader.join(', ')
+  self.sentAuth = true
+  return authHeader
+}
+
+Auth.prototype.onRequest = function (user, pass, sendImmediately, bearer) {
+  var self = this
+  var request = self.request
+
+  var authHeader
+  if (bearer === undefined && user === undefined) {
+    self.request.emit('error', new Error('no auth mechanism defined'))
+  } else if (bearer !== undefined) {
+    authHeader = self.bearer(bearer, sendImmediately)
+  } else {
+    authHeader = self.basic(user, pass, sendImmediately)
+  }
+  if (authHeader) {
+    request.setHeader('authorization', authHeader)
+  }
+}
+
+Auth.prototype.onResponse = function (response) {
+  var self = this
+  var request = self.request
+
+  if (!self.hasAuth || self.sentAuth) { return null }
+
+  var c = caseless(response.headers)
+
+  var authHeader = c.get('www-authenticate')
+  var authVerb = authHeader && authHeader.split(' ')[0].toLowerCase()
+  request.debug('reauth', authVerb)
+
+  switch (authVerb) {
+    case 'basic':
+      return self.basic(self.user, self.pass, true)
+
+    case 'bearer':
+      return self.bearer(self.bearerToken, true)
+
+    case 'digest':
+      return self.digest(request.method, request.path, authHeader)
+  }
+}
+
+exports.Auth = Auth
diff --git a/node_modules/request/lib/cookies.js b/node_modules/request/lib/cookies.js
new file mode 100644
index 000000000..bd5d46bea
--- /dev/null
+++ b/node_modules/request/lib/cookies.js
@@ -0,0 +1,38 @@
+'use strict'
+
+var tough = require('tough-cookie')
+
+var Cookie = tough.Cookie
+var CookieJar = tough.CookieJar
+
+exports.parse = function (str) {
+  if (str && str.uri) {
+    str = str.uri
+  }
+  if (typeof str !== 'string') {
+    throw new Error('The cookie function only accepts STRING as param')
+  }
+  return Cookie.parse(str, {loose: true})
+}
+
+// Adapt the sometimes-Async api of tough.CookieJar to our requirements
+function RequestJar (store) {
+  var self = this
+  self._jar = new CookieJar(store, {looseMode: true})
+}
+RequestJar.prototype.setCookie = function (cookieOrStr, uri, options) {
+  var self = this
+  return self._jar.setCookieSync(cookieOrStr, uri, options || {})
+}
+RequestJar.prototype.getCookieString = function (uri) {
+  var self = this
+  return self._jar.getCookieStringSync(uri)
+}
+RequestJar.prototype.getCookies = function (uri) {
+  var self = this
+  return self._jar.getCookiesSync(uri)
+}
+
+exports.jar = function (store) {
+  return new RequestJar(store)
+}
diff --git a/node_modules/request/lib/getProxyFromURI.js b/node_modules/request/lib/getProxyFromURI.js
new file mode 100644
index 000000000..0b9b18e5a
--- /dev/null
+++ b/node_modules/request/lib/getProxyFromURI.js
@@ -0,0 +1,79 @@
+'use strict'
+
+function formatHostname (hostname) {
+  // canonicalize the hostname, so that 'oogle.com' won't match 'google.com'
+  return hostname.replace(/^\.*/, '.').toLowerCase()
+}
+
+function parseNoProxyZone (zone) {
+  zone = zone.trim().toLowerCase()
+
+  var zoneParts = zone.split(':', 2)
+  var zoneHost = formatHostname(zoneParts[0])
+  var zonePort = zoneParts[1]
+  var hasPort = zone.indexOf(':') > -1
+
+  return {hostname: zoneHost, port: zonePort, hasPort: hasPort}
+}
+
+function uriInNoProxy (uri, noProxy) {
+  var port = uri.port || (uri.protocol === 'https:' ? '443' : '80')
+  var hostname = formatHostname(uri.hostname)
+  var noProxyList = noProxy.split(',')
+
+  // iterate through the noProxyList until it finds a match.
+  return noProxyList.map(parseNoProxyZone).some(function (noProxyZone) {
+    var isMatchedAt = hostname.indexOf(noProxyZone.hostname)
+    var hostnameMatched = (
+      isMatchedAt > -1 &&
+        (isMatchedAt === hostname.length - noProxyZone.hostname.length)
+    )
+
+    if (noProxyZone.hasPort) {
+      return (port === noProxyZone.port) && hostnameMatched
+    }
+
+    return hostnameMatched
+  })
+}
+
+function getProxyFromURI (uri) {
+  // Decide the proper request proxy to use based on the request URI object and the
+  // environmental variables (NO_PROXY, HTTP_PROXY, etc.)
+  // respect NO_PROXY environment variables (see: https://lynx.invisible-island.net/lynx2.8.7/breakout/lynx_help/keystrokes/environments.html)
+
+  var noProxy = process.env.NO_PROXY || process.env.no_proxy || ''
+
+  // if the noProxy is a wildcard then return null
+
+  if (noProxy === '*') {
+    return null
+  }
+
+  // if the noProxy is not empty and the uri is found return null
+
+  if (noProxy !== '' && uriInNoProxy(uri, noProxy)) {
+    return null
+  }
+
+  // Check for HTTP or HTTPS Proxy in environment Else default to null
+
+  if (uri.protocol === 'http:') {
+    return process.env.HTTP_PROXY ||
+      process.env.http_proxy || null
+  }
+
+  if (uri.protocol === 'https:') {
+    return process.env.HTTPS_PROXY ||
+      process.env.https_proxy ||
+      process.env.HTTP_PROXY ||
+      process.env.http_proxy || null
+  }
+
+  // if none of that works, return null
+  // (What uri protocol are you using then?)
+
+  return null
+}
+
+module.exports = getProxyFromURI
diff --git a/node_modules/request/lib/har.js b/node_modules/request/lib/har.js
new file mode 100644
index 000000000..0dedee444
--- /dev/null
+++ b/node_modules/request/lib/har.js
@@ -0,0 +1,205 @@
+'use strict'
+
+var fs = require('fs')
+var qs = require('querystring')
+var validate = require('har-validator')
+var extend = require('extend')
+
+function Har (request) {
+  this.request = request
+}
+
+Har.prototype.reducer = function (obj, pair) {
+  // new property ?
+  if (obj[pair.name] === undefined) {
+    obj[pair.name] = pair.value
+    return obj
+  }
+
+  // existing? convert to array
+  var arr = [
+    obj[pair.name],
+    pair.value
+  ]
+
+  obj[pair.name] = arr
+
+  return obj
+}
+
+Har.prototype.prep = function (data) {
+  // construct utility properties
+  data.queryObj = {}
+  data.headersObj = {}
+  data.postData.jsonObj = false
+  data.postData.paramsObj = false
+
+  // construct query objects
+  if (data.queryString && data.queryString.length) {
+    data.queryObj = data.queryString.reduce(this.reducer, {})
+  }
+
+  // construct headers objects
+  if (data.headers && data.headers.length) {
+    // loweCase header keys
+    data.headersObj = data.headers.reduceRight(function (headers, header) {
+      headers[header.name] = header.value
+      return headers
+    }, {})
+  }
+
+  // construct Cookie header
+  if (data.cookies && data.cookies.length) {
+    var cookies = data.cookies.map(function (cookie) {
+      return cookie.name + '=' + cookie.value
+    })
+
+    if (cookies.length) {
+      data.headersObj.cookie = cookies.join('; ')
+    }
+  }
+
+  // prep body
+  function some (arr) {
+    return arr.some(function (type) {
+      return data.postData.mimeType.indexOf(type) === 0
+    })
+  }
+
+  if (some([
+    'multipart/mixed',
+    'multipart/related',
+    'multipart/form-data',
+    'multipart/alternative'])) {
+    // reset values
+    data.postData.mimeType = 'multipart/form-data'
+  } else if (some([
+    'application/x-www-form-urlencoded'])) {
+    if (!data.postData.params) {
+      data.postData.text = ''
+    } else {
+      data.postData.paramsObj = data.postData.params.reduce(this.reducer, {})
+
+      // always overwrite
+      data.postData.text = qs.stringify(data.postData.paramsObj)
+    }
+  } else if (some([
+    'text/json',
+    'text/x-json',
+    'application/json',
+    'application/x-json'])) {
+    data.postData.mimeType = 'application/json'
+
+    if (data.postData.text) {
+      try {
+        data.postData.jsonObj = JSON.parse(data.postData.text)
+      } catch (e) {
+        this.request.debug(e)
+
+        // force back to text/plain
+        data.postData.mimeType = 'text/plain'
+      }
+    }
+  }
+
+  return data
+}
+
+Har.prototype.options = function (options) {
+  // skip if no har property defined
+  if (!options.har) {
+    return options
+  }
+
+  var har = {}
+  extend(har, options.har)
+
+  // only process the first entry
+  if (har.log && har.log.entries) {
+    har = har.log.entries[0]
+  }
+
+  // add optional properties to make validation successful
+  har.url = har.url || options.url || options.uri || options.baseUrl || '/'
+  har.httpVersion = har.httpVersion || 'HTTP/1.1'
+  har.queryString = har.queryString || []
+  har.headers = har.headers || []
+  har.cookies = har.cookies || []
+  har.postData = har.postData || {}
+  har.postData.mimeType = har.postData.mimeType || 'application/octet-stream'
+
+  har.bodySize = 0
+  har.headersSize = 0
+  har.postData.size = 0
+
+  if (!validate.request(har)) {
+    return options
+  }
+
+  // clean up and get some utility properties
+  var req = this.prep(har)
+
+  // construct new options
+  if (req.url) {
+    options.url = req.url
+  }
+
+  if (req.method) {
+    options.method = req.method
+  }
+
+  if (Object.keys(req.queryObj).length) {
+    options.qs = req.queryObj
+  }
+
+  if (Object.keys(req.headersObj).length) {
+    options.headers = req.headersObj
+  }
+
+  function test (type) {
+    return req.postData.mimeType.indexOf(type) === 0
+  }
+  if (test('application/x-www-form-urlencoded')) {
+    options.form = req.postData.paramsObj
+  } else if (test('application/json')) {
+    if (req.postData.jsonObj) {
+      options.body = req.postData.jsonObj
+      options.json = true
+    }
+  } else if (test('multipart/form-data')) {
+    options.formData = {}
+
+    req.postData.params.forEach(function (param) {
+      var attachment = {}
+
+      if (!param.fileName && !param.contentType) {
+        options.formData[param.name] = param.value
+        return
+      }
+
+      // attempt to read from disk!
+      if (param.fileName && !param.value) {
+        attachment.value = fs.createReadStream(param.fileName)
+      } else if (param.value) {
+        attachment.value = param.value
+      }
+
+      if (param.fileName) {
+        attachment.options = {
+          filename: param.fileName,
+          contentType: param.contentType ? param.contentType : null
+        }
+      }
+
+      options.formData[param.name] = attachment
+    })
+  } else {
+    if (req.postData.text) {
+      options.body = req.postData.text
+    }
+  }
+
+  return options
+}
+
+exports.Har = Har
diff --git a/node_modules/request/lib/hawk.js b/node_modules/request/lib/hawk.js
new file mode 100644
index 000000000..de48a9851
--- /dev/null
+++ b/node_modules/request/lib/hawk.js
@@ -0,0 +1,89 @@
+'use strict'
+
+var crypto = require('crypto')
+
+function randomString (size) {
+  var bits = (size + 1) * 6
+  var buffer = crypto.randomBytes(Math.ceil(bits / 8))
+  var string = buffer.toString('base64').replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '')
+  return string.slice(0, size)
+}
+
+function calculatePayloadHash (payload, algorithm, contentType) {
+  var hash = crypto.createHash(algorithm)
+  hash.update('hawk.1.payload\n')
+  hash.update((contentType ? contentType.split(';')[0].trim().toLowerCase() : '') + '\n')
+  hash.update(payload || '')
+  hash.update('\n')
+  return hash.digest('base64')
+}
+
+exports.calculateMac = function (credentials, opts) {
+  var normalized = 'hawk.1.header\n' +
+    opts.ts + '\n' +
+    opts.nonce + '\n' +
+    (opts.method || '').toUpperCase() + '\n' +
+    opts.resource + '\n' +
+    opts.host.toLowerCase() + '\n' +
+    opts.port + '\n' +
+    (opts.hash || '') + '\n'
+
+  if (opts.ext) {
+    normalized = normalized + opts.ext.replace('\\', '\\\\').replace('\n', '\\n')
+  }
+
+  normalized = normalized + '\n'
+
+  if (opts.app) {
+    normalized = normalized + opts.app + '\n' + (opts.dlg || '') + '\n'
+  }
+
+  var hmac = crypto.createHmac(credentials.algorithm, credentials.key).update(normalized)
+  var digest = hmac.digest('base64')
+  return digest
+}
+
+exports.header = function (uri, method, opts) {
+  var timestamp = opts.timestamp || Math.floor((Date.now() + (opts.localtimeOffsetMsec || 0)) / 1000)
+  var credentials = opts.credentials
+  if (!credentials || !credentials.id || !credentials.key || !credentials.algorithm) {
+    return ''
+  }
+
+  if (['sha1', 'sha256'].indexOf(credentials.algorithm) === -1) {
+    return ''
+  }
+
+  var artifacts = {
+    ts: timestamp,
+    nonce: opts.nonce || randomString(6),
+    method: method,
+    resource: uri.pathname + (uri.search || ''),
+    host: uri.hostname,
+    port: uri.port || (uri.protocol === 'http:' ? 80 : 443),
+    hash: opts.hash,
+    ext: opts.ext,
+    app: opts.app,
+    dlg: opts.dlg
+  }
+
+  if (!artifacts.hash && (opts.payload || opts.payload === '')) {
+    artifacts.hash = calculatePayloadHash(opts.payload, credentials.algorithm, opts.contentType)
+  }
+
+  var mac = exports.calculateMac(credentials, artifacts)
+
+  var hasExt = artifacts.ext !== null && artifacts.ext !== undefined && artifacts.ext !== ''
+  var header = 'Hawk id="' + credentials.id +
+    '", ts="' + artifacts.ts +
+    '", nonce="' + artifacts.nonce +
+    (artifacts.hash ? '", hash="' + artifacts.hash : '') +
+    (hasExt ? '", ext="' + artifacts.ext.replace(/\\/g, '\\\\').replace(/"/g, '\\"') : '') +
+    '", mac="' + mac + '"'
+
+  if (artifacts.app) {
+    header = header + ', app="' + artifacts.app + (artifacts.dlg ? '", dlg="' + artifacts.dlg : '') + '"'
+  }
+
+  return header
+}
diff --git a/node_modules/request/lib/helpers.js b/node_modules/request/lib/helpers.js
new file mode 100644
index 000000000..8b2a7e6eb
--- /dev/null
+++ b/node_modules/request/lib/helpers.js
@@ -0,0 +1,66 @@
+'use strict'
+
+var jsonSafeStringify = require('json-stringify-safe')
+var crypto = require('crypto')
+var Buffer = require('safe-buffer').Buffer
+
+var defer = typeof setImmediate === 'undefined'
+  ? process.nextTick
+  : setImmediate
+
+function paramsHaveRequestBody (params) {
+  return (
+    params.body ||
+    params.requestBodyStream ||
+    (params.json && typeof params.json !== 'boolean') ||
+    params.multipart
+  )
+}
+
+function safeStringify (obj, replacer) {
+  var ret
+  try {
+    ret = JSON.stringify(obj, replacer)
+  } catch (e) {
+    ret = jsonSafeStringify(obj, replacer)
+  }
+  return ret
+}
+
+function md5 (str) {
+  return crypto.createHash('md5').update(str).digest('hex')
+}
+
+function isReadStream (rs) {
+  return rs.readable && rs.path && rs.mode
+}
+
+function toBase64 (str) {
+  return Buffer.from(str || '', 'utf8').toString('base64')
+}
+
+function copy (obj) {
+  var o = {}
+  Object.keys(obj).forEach(function (i) {
+    o[i] = obj[i]
+  })
+  return o
+}
+
+function version () {
+  var numbers = process.version.replace('v', '').split('.')
+  return {
+    major: parseInt(numbers[0], 10),
+    minor: parseInt(numbers[1], 10),
+    patch: parseInt(numbers[2], 10)
+  }
+}
+
+exports.paramsHaveRequestBody = paramsHaveRequestBody
+exports.safeStringify = safeStringify
+exports.md5 = md5
+exports.isReadStream = isReadStream
+exports.toBase64 = toBase64
+exports.copy = copy
+exports.version = version
+exports.defer = defer
diff --git a/node_modules/request/lib/multipart.js b/node_modules/request/lib/multipart.js
new file mode 100644
index 000000000..6a009bc13
--- /dev/null
+++ b/node_modules/request/lib/multipart.js
@@ -0,0 +1,112 @@
+'use strict'
+
+var uuid = require('uuid/v4')
+var CombinedStream = require('combined-stream')
+var isstream = require('isstream')
+var Buffer = require('safe-buffer').Buffer
+
+function Multipart (request) {
+  this.request = request
+  this.boundary = uuid()
+  this.chunked = false
+  this.body = null
+}
+
+Multipart.prototype.isChunked = function (options) {
+  var self = this
+  var chunked = false
+  var parts = options.data || options
+
+  if (!parts.forEach) {
+    self.request.emit('error', new Error('Argument error, options.multipart.'))
+  }
+
+  if (options.chunked !== undefined) {
+    chunked = options.chunked
+  }
+
+  if (self.request.getHeader('transfer-encoding') === 'chunked') {
+    chunked = true
+  }
+
+  if (!chunked) {
+    parts.forEach(function (part) {
+      if (typeof part.body === 'undefined') {
+        self.request.emit('error', new Error('Body attribute missing in multipart.'))
+      }
+      if (isstream(part.body)) {
+        chunked = true
+      }
+    })
+  }
+
+  return chunked
+}
+
+Multipart.prototype.setHeaders = function (chunked) {
+  var self = this
+
+  if (chunked && !self.request.hasHeader('transfer-encoding')) {
+    self.request.setHeader('transfer-encoding', 'chunked')
+  }
+
+  var header = self.request.getHeader('content-type')
+
+  if (!header || header.indexOf('multipart') === -1) {
+    self.request.setHeader('content-type', 'multipart/related; boundary=' + self.boundary)
+  } else {
+    if (header.indexOf('boundary') !== -1) {
+      self.boundary = header.replace(/.*boundary=([^\s;]+).*/, '$1')
+    } else {
+      self.request.setHeader('content-type', header + '; boundary=' + self.boundary)
+    }
+  }
+}
+
+Multipart.prototype.build = function (parts, chunked) {
+  var self = this
+  var body = chunked ? new CombinedStream() : []
+
+  function add (part) {
+    if (typeof part === 'number') {
+      part = part.toString()
+    }
+    return chunked ? body.append(part) : body.push(Buffer.from(part))
+  }
+
+  if (self.request.preambleCRLF) {
+    add('\r\n')
+  }
+
+  parts.forEach(function (part) {
+    var preamble = '--' + self.boundary + '\r\n'
+    Object.keys(part).forEach(function (key) {
+      if (key === 'body') { return }
+      preamble += key + ': ' + part[key] + '\r\n'
+    })
+    preamble += '\r\n'
+    add(preamble)
+    add(part.body)
+    add('\r\n')
+  })
+  add('--' + self.boundary + '--')
+
+  if (self.request.postambleCRLF) {
+    add('\r\n')
+  }
+
+  return body
+}
+
+Multipart.prototype.onRequest = function (options) {
+  var self = this
+
+  var chunked = self.isChunked(options)
+  var parts = options.data || options
+
+  self.setHeaders(chunked)
+  self.chunked = chunked
+  self.body = self.build(parts, chunked)
+}
+
+exports.Multipart = Multipart
diff --git a/node_modules/request/lib/oauth.js b/node_modules/request/lib/oauth.js
new file mode 100644
index 000000000..96de72b8e
--- /dev/null
+++ b/node_modules/request/lib/oauth.js
@@ -0,0 +1,148 @@
+'use strict'
+
+var url = require('url')
+var qs = require('qs')
+var caseless = require('caseless')
+var uuid = require('uuid/v4')
+var oauth = require('oauth-sign')
+var crypto = require('crypto')
+var Buffer = require('safe-buffer').Buffer
+
+function OAuth (request) {
+  this.request = request
+  this.params = null
+}
+
+OAuth.prototype.buildParams = function (_oauth, uri, method, query, form, qsLib) {
+  var oa = {}
+  for (var i in _oauth) {
+    oa['oauth_' + i] = _oauth[i]
+  }
+  if (!oa.oauth_version) {
+    oa.oauth_version = '1.0'
+  }
+  if (!oa.oauth_timestamp) {
+    oa.oauth_timestamp = Math.floor(Date.now() / 1000).toString()
+  }
+  if (!oa.oauth_nonce) {
+    oa.oauth_nonce = uuid().replace(/-/g, '')
+  }
+  if (!oa.oauth_signature_method) {
+    oa.oauth_signature_method = 'HMAC-SHA1'
+  }
+
+  var consumer_secret_or_private_key = oa.oauth_consumer_secret || oa.oauth_private_key // eslint-disable-line camelcase
+  delete oa.oauth_consumer_secret
+  delete oa.oauth_private_key
+
+  var token_secret = oa.oauth_token_secret // eslint-disable-line camelcase
+  delete oa.oauth_token_secret
+
+  var realm = oa.oauth_realm
+  delete oa.oauth_realm
+  delete oa.oauth_transport_method
+
+  var baseurl = uri.protocol + '//' + uri.host + uri.pathname
+  var params = qsLib.parse([].concat(query, form, qsLib.stringify(oa)).join('&'))
+
+  oa.oauth_signature = oauth.sign(
+    oa.oauth_signature_method,
+    method,
+    baseurl,
+    params,
+    consumer_secret_or_private_key, // eslint-disable-line camelcase
+    token_secret // eslint-disable-line camelcase
+  )
+
+  if (realm) {
+    oa.realm = realm
+  }
+
+  return oa
+}
+
+OAuth.prototype.buildBodyHash = function (_oauth, body) {
+  if (['HMAC-SHA1', 'RSA-SHA1'].indexOf(_oauth.signature_method || 'HMAC-SHA1') < 0) {
+    this.request.emit('error', new Error('oauth: ' + _oauth.signature_method +
+      ' signature_method not supported with body_hash signing.'))
+  }
+
+  var shasum = crypto.createHash('sha1')
+  shasum.update(body || '')
+  var sha1 = shasum.digest('hex')
+
+  return Buffer.from(sha1, 'hex').toString('base64')
+}
+
+OAuth.prototype.concatParams = function (oa, sep, wrap) {
+  wrap = wrap || ''
+
+  var params = Object.keys(oa).filter(function (i) {
+    return i !== 'realm' && i !== 'oauth_signature'
+  }).sort()
+
+  if (oa.realm) {
+    params.splice(0, 0, 'realm')
+  }
+  params.push('oauth_signature')
+
+  return params.map(function (i) {
+    return i + '=' + wrap + oauth.rfc3986(oa[i]) + wrap
+  }).join(sep)
+}
+
+OAuth.prototype.onRequest = function (_oauth) {
+  var self = this
+  self.params = _oauth
+
+  var uri = self.request.uri || {}
+  var method = self.request.method || ''
+  var headers = caseless(self.request.headers)
+  var body = self.request.body || ''
+  var qsLib = self.request.qsLib || qs
+
+  var form
+  var query
+  var contentType = headers.get('content-type') || ''
+  var formContentType = 'application/x-www-form-urlencoded'
+  var transport = _oauth.transport_method || 'header'
+
+  if (contentType.slice(0, formContentType.length) === formContentType) {
+    contentType = formContentType
+    form = body
+  }
+  if (uri.query) {
+    query = uri.query
+  }
+  if (transport === 'body' && (method !== 'POST' || contentType !== formContentType)) {
+    self.request.emit('error', new Error('oauth: transport_method of body requires POST ' +
+      'and content-type ' + formContentType))
+  }
+
+  if (!form && typeof _oauth.body_hash === 'boolean') {
+    _oauth.body_hash = self.buildBodyHash(_oauth, self.request.body.toString())
+  }
+
+  var oa = self.buildParams(_oauth, uri, method, query, form, qsLib)
+
+  switch (transport) {
+    case 'header':
+      self.request.setHeader('Authorization', 'OAuth ' + self.concatParams(oa, ',', '"'))
+      break
+
+    case 'query':
+      var href = self.request.uri.href += (query ? '&' : '?') + self.concatParams(oa, '&')
+      self.request.uri = url.parse(href)
+      self.request.path = self.request.uri.path
+      break
+
+    case 'body':
+      self.request.body = (form ? form + '&' : '') + self.concatParams(oa, '&')
+      break
+
+    default:
+      self.request.emit('error', new Error('oauth: transport_method invalid'))
+  }
+}
+
+exports.OAuth = OAuth
diff --git a/node_modules/request/lib/querystring.js b/node_modules/request/lib/querystring.js
new file mode 100644
index 000000000..4a32cd149
--- /dev/null
+++ b/node_modules/request/lib/querystring.js
@@ -0,0 +1,50 @@
+'use strict'
+
+var qs = require('qs')
+var querystring = require('querystring')
+
+function Querystring (request) {
+  this.request = request
+  this.lib = null
+  this.useQuerystring = null
+  this.parseOptions = null
+  this.stringifyOptions = null
+}
+
+Querystring.prototype.init = function (options) {
+  if (this.lib) { return }
+
+  this.useQuerystring = options.useQuerystring
+  this.lib = (this.useQuerystring ? querystring : qs)
+
+  this.parseOptions = options.qsParseOptions || {}
+  this.stringifyOptions = options.qsStringifyOptions || {}
+}
+
+Querystring.prototype.stringify = function (obj) {
+  return (this.useQuerystring)
+    ? this.rfc3986(this.lib.stringify(obj,
+      this.stringifyOptions.sep || null,
+      this.stringifyOptions.eq || null,
+      this.stringifyOptions))
+    : this.lib.stringify(obj, this.stringifyOptions)
+}
+
+Querystring.prototype.parse = function (str) {
+  return (this.useQuerystring)
+    ? this.lib.parse(str,
+      this.parseOptions.sep || null,
+      this.parseOptions.eq || null,
+      this.parseOptions)
+    : this.lib.parse(str, this.parseOptions)
+}
+
+Querystring.prototype.rfc3986 = function (str) {
+  return str.replace(/[!'()*]/g, function (c) {
+    return '%' + c.charCodeAt(0).toString(16).toUpperCase()
+  })
+}
+
+Querystring.prototype.unescape = querystring.unescape
+
+exports.Querystring = Querystring
diff --git a/node_modules/request/lib/redirect.js b/node_modules/request/lib/redirect.js
new file mode 100644
index 000000000..b9150e77c
--- /dev/null
+++ b/node_modules/request/lib/redirect.js
@@ -0,0 +1,154 @@
+'use strict'
+
+var url = require('url')
+var isUrl = /^https?:/
+
+function Redirect (request) {
+  this.request = request
+  this.followRedirect = true
+  this.followRedirects = true
+  this.followAllRedirects = false
+  this.followOriginalHttpMethod = false
+  this.allowRedirect = function () { return true }
+  this.maxRedirects = 10
+  this.redirects = []
+  this.redirectsFollowed = 0
+  this.removeRefererHeader = false
+}
+
+Redirect.prototype.onRequest = function (options) {
+  var self = this
+
+  if (options.maxRedirects !== undefined) {
+    self.maxRedirects = options.maxRedirects
+  }
+  if (typeof options.followRedirect === 'function') {
+    self.allowRedirect = options.followRedirect
+  }
+  if (options.followRedirect !== undefined) {
+    self.followRedirects = !!options.followRedirect
+  }
+  if (options.followAllRedirects !== undefined) {
+    self.followAllRedirects = options.followAllRedirects
+  }
+  if (self.followRedirects || self.followAllRedirects) {
+    self.redirects = self.redirects || []
+  }
+  if (options.removeRefererHeader !== undefined) {
+    self.removeRefererHeader = options.removeRefererHeader
+  }
+  if (options.followOriginalHttpMethod !== undefined) {
+    self.followOriginalHttpMethod = options.followOriginalHttpMethod
+  }
+}
+
+Redirect.prototype.redirectTo = function (response) {
+  var self = this
+  var request = self.request
+
+  var redirectTo = null
+  if (response.statusCode >= 300 && response.statusCode < 400 && response.caseless.has('location')) {
+    var location = response.caseless.get('location')
+    request.debug('redirect', location)
+
+    if (self.followAllRedirects) {
+      redirectTo = location
+    } else if (self.followRedirects) {
+      switch (request.method) {
+        case 'PATCH':
+        case 'PUT':
+        case 'POST':
+        case 'DELETE':
+          // Do not follow redirects
+          break
+        default:
+          redirectTo = location
+          break
+      }
+    }
+  } else if (response.statusCode === 401) {
+    var authHeader = request._auth.onResponse(response)
+    if (authHeader) {
+      request.setHeader('authorization', authHeader)
+      redirectTo = request.uri
+    }
+  }
+  return redirectTo
+}
+
+Redirect.prototype.onResponse = function (response) {
+  var self = this
+  var request = self.request
+
+  var redirectTo = self.redirectTo(response)
+  if (!redirectTo || !self.allowRedirect.call(request, response)) {
+    return false
+  }
+
+  request.debug('redirect to', redirectTo)
+
+  // ignore any potential response body.  it cannot possibly be useful
+  // to us at this point.
+  // response.resume should be defined, but check anyway before calling. Workaround for browserify.
+  if (response.resume) {
+    response.resume()
+  }
+
+  if (self.redirectsFollowed >= self.maxRedirects) {
+    request.emit('error', new Error('Exceeded maxRedirects. Probably stuck in a redirect loop ' + request.uri.href))
+    return false
+  }
+  self.redirectsFollowed += 1
+
+  if (!isUrl.test(redirectTo)) {
+    redirectTo = url.resolve(request.uri.href, redirectTo)
+  }
+
+  var uriPrev = request.uri
+  request.uri = url.parse(redirectTo)
+
+  // handle the case where we change protocol from https to http or vice versa
+  if (request.uri.protocol !== uriPrev.protocol) {
+    delete request.agent
+  }
+
+  self.redirects.push({ statusCode: response.statusCode, redirectUri: redirectTo })
+
+  if (self.followAllRedirects && request.method !== 'HEAD' &&
+    response.statusCode !== 401 && response.statusCode !== 307) {
+    request.method = self.followOriginalHttpMethod ? request.method : 'GET'
+  }
+  // request.method = 'GET' // Force all redirects to use GET || commented out fixes #215
+  delete request.src
+  delete request.req
+  delete request._started
+  if (response.statusCode !== 401 && response.statusCode !== 307) {
+    // Remove parameters from the previous response, unless this is the second request
+    // for a server that requires digest authentication.
+    delete request.body
+    delete request._form
+    if (request.headers) {
+      request.removeHeader('host')
+      request.removeHeader('content-type')
+      request.removeHeader('content-length')
+      if (request.uri.hostname !== request.originalHost.split(':')[0]) {
+        // Remove authorization if changing hostnames (but not if just
+        // changing ports or protocols).  This matches the behavior of curl:
+        // https://github.com/bagder/curl/blob/6beb0eee/lib/http.c#L710
+        request.removeHeader('authorization')
+      }
+    }
+  }
+
+  if (!self.removeRefererHeader) {
+    request.setHeader('referer', uriPrev.href)
+  }
+
+  request.emit('redirect')
+
+  request.init()
+
+  return true
+}
+
+exports.Redirect = Redirect
diff --git a/node_modules/request/lib/tunnel.js b/node_modules/request/lib/tunnel.js
new file mode 100644
index 000000000..4479003f6
--- /dev/null
+++ b/node_modules/request/lib/tunnel.js
@@ -0,0 +1,175 @@
+'use strict'
+
+var url = require('url')
+var tunnel = require('tunnel-agent')
+
+var defaultProxyHeaderWhiteList = [
+  'accept',
+  'accept-charset',
+  'accept-encoding',
+  'accept-language',
+  'accept-ranges',
+  'cache-control',
+  'content-encoding',
+  'content-language',
+  'content-location',
+  'content-md5',
+  'content-range',
+  'content-type',
+  'connection',
+  'date',
+  'expect',
+  'max-forwards',
+  'pragma',
+  'referer',
+  'te',
+  'user-agent',
+  'via'
+]
+
+var defaultProxyHeaderExclusiveList = [
+  'proxy-authorization'
+]
+
+function constructProxyHost (uriObject) {
+  var port = uriObject.port
+  var protocol = uriObject.protocol
+  var proxyHost = uriObject.hostname + ':'
+
+  if (port) {
+    proxyHost += port
+  } else if (protocol === 'https:') {
+    proxyHost += '443'
+  } else {
+    proxyHost += '80'
+  }
+
+  return proxyHost
+}
+
+function constructProxyHeaderWhiteList (headers, proxyHeaderWhiteList) {
+  var whiteList = proxyHeaderWhiteList
+    .reduce(function (set, header) {
+      set[header.toLowerCase()] = true
+      return set
+    }, {})
+
+  return Object.keys(headers)
+    .filter(function (header) {
+      return whiteList[header.toLowerCase()]
+    })
+    .reduce(function (set, header) {
+      set[header] = headers[header]
+      return set
+    }, {})
+}
+
+function constructTunnelOptions (request, proxyHeaders) {
+  var proxy = request.proxy
+
+  var tunnelOptions = {
+    proxy: {
+      host: proxy.hostname,
+      port: +proxy.port,
+      proxyAuth: proxy.auth,
+      headers: proxyHeaders
+    },
+    headers: request.headers,
+    ca: request.ca,
+    cert: request.cert,
+    key: request.key,
+    passphrase: request.passphrase,
+    pfx: request.pfx,
+    ciphers: request.ciphers,
+    rejectUnauthorized: request.rejectUnauthorized,
+    secureOptions: request.secureOptions,
+    secureProtocol: request.secureProtocol
+  }
+
+  return tunnelOptions
+}
+
+function constructTunnelFnName (uri, proxy) {
+  var uriProtocol = (uri.protocol === 'https:' ? 'https' : 'http')
+  var proxyProtocol = (proxy.protocol === 'https:' ? 'Https' : 'Http')
+  return [uriProtocol, proxyProtocol].join('Over')
+}
+
+function getTunnelFn (request) {
+  var uri = request.uri
+  var proxy = request.proxy
+  var tunnelFnName = constructTunnelFnName(uri, proxy)
+  return tunnel[tunnelFnName]
+}
+
+function Tunnel (request) {
+  this.request = request
+  this.proxyHeaderWhiteList = defaultProxyHeaderWhiteList
+  this.proxyHeaderExclusiveList = []
+  if (typeof request.tunnel !== 'undefined') {
+    this.tunnelOverride = request.tunnel
+  }
+}
+
+Tunnel.prototype.isEnabled = function () {
+  var self = this
+  var request = self.request
+    // Tunnel HTTPS by default. Allow the user to override this setting.
+
+  // If self.tunnelOverride is set (the user specified a value), use it.
+  if (typeof self.tunnelOverride !== 'undefined') {
+    return self.tunnelOverride
+  }
+
+  // If the destination is HTTPS, tunnel.
+  if (request.uri.protocol === 'https:') {
+    return true
+  }
+
+  // Otherwise, do not use tunnel.
+  return false
+}
+
+Tunnel.prototype.setup = function (options) {
+  var self = this
+  var request = self.request
+
+  options = options || {}
+
+  if (typeof request.proxy === 'string') {
+    request.proxy = url.parse(request.proxy)
+  }
+
+  if (!request.proxy || !request.tunnel) {
+    return false
+  }
+
+  // Setup Proxy Header Exclusive List and White List
+  if (options.proxyHeaderWhiteList) {
+    self.proxyHeaderWhiteList = options.proxyHeaderWhiteList
+  }
+  if (options.proxyHeaderExclusiveList) {
+    self.proxyHeaderExclusiveList = options.proxyHeaderExclusiveList
+  }
+
+  var proxyHeaderExclusiveList = self.proxyHeaderExclusiveList.concat(defaultProxyHeaderExclusiveList)
+  var proxyHeaderWhiteList = self.proxyHeaderWhiteList.concat(proxyHeaderExclusiveList)
+
+  // Setup Proxy Headers and Proxy Headers Host
+  // Only send the Proxy White Listed Header names
+  var proxyHeaders = constructProxyHeaderWhiteList(request.headers, proxyHeaderWhiteList)
+  proxyHeaders.host = constructProxyHost(request.uri)
+
+  proxyHeaderExclusiveList.forEach(request.removeHeader, request)
+
+  // Set Agent from Tunnel Data
+  var tunnelFn = getTunnelFn(request)
+  var tunnelOptions = constructTunnelOptions(request, proxyHeaders)
+  request.agent = tunnelFn(tunnelOptions)
+
+  return true
+}
+
+Tunnel.defaultProxyHeaderWhiteList = defaultProxyHeaderWhiteList
+Tunnel.defaultProxyHeaderExclusiveList = defaultProxyHeaderExclusiveList
+exports.Tunnel = Tunnel
diff --git a/node_modules/request/node_modules/qs/.editorconfig b/node_modules/request/node_modules/qs/.editorconfig
new file mode 100644
index 000000000..2f0844450
--- /dev/null
+++ b/node_modules/request/node_modules/qs/.editorconfig
@@ -0,0 +1,43 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 160
+quote_type = single
+
+[test/*]
+max_line_length = off
+
+[LICENSE.md]
+indent_size = off
+
+[*.md]
+max_line_length = off
+
+[*.json]
+max_line_length = off
+
+[Makefile]
+max_line_length = off
+
+[CHANGELOG.md]
+indent_style = space
+indent_size = 2
+
+[LICENSE]
+indent_size = 2
+max_line_length = off
+
+[coverage/**/*]
+indent_size = off
+indent_style = off
+indent = off
+max_line_length = off
+
+[.nycrc]
+indent_style = tab
diff --git a/node_modules/request/node_modules/qs/.eslintrc b/node_modules/request/node_modules/qs/.eslintrc
new file mode 100644
index 000000000..3f848996f
--- /dev/null
+++ b/node_modules/request/node_modules/qs/.eslintrc
@@ -0,0 +1,37 @@
+{
+    "root": true,
+
+    "extends": "@ljharb",
+
+    "ignorePatterns": [
+        "dist/",
+    ],
+
+    "rules": {
+        "complexity": 0,
+        "consistent-return": 1,
+        "func-name-matching": 0,
+        "id-length": [2, { "min": 1, "max": 25, "properties": "never" }],
+        "indent": [2, 4],
+        "max-lines-per-function": 0,
+        "max-params": [2, 12],
+        "max-statements": [2, 45],
+        "multiline-comment-style": 0,
+        "no-continue": 1,
+        "no-magic-numbers": 0,
+        "no-param-reassign": 1,
+        "no-restricted-syntax": [2, "BreakStatement", "DebuggerStatement", "ForInStatement", "LabeledStatement", "WithStatement"],
+    },
+
+    "overrides": [
+        {
+            "files": "test/**",
+            "rules": {
+                "max-lines-per-function": 0,
+                "max-statements": 0,
+                "no-extend-native": 0,
+                "function-paren-newline": 0,
+            },
+        },
+    ],
+}
diff --git a/node_modules/request/node_modules/qs/.github/FUNDING.yml b/node_modules/request/node_modules/qs/.github/FUNDING.yml
new file mode 100644
index 000000000..0355f4f5f
--- /dev/null
+++ b/node_modules/request/node_modules/qs/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/qs
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with a single custom sponsorship URL
diff --git a/node_modules/request/node_modules/qs/.nycrc b/node_modules/request/node_modules/qs/.nycrc
new file mode 100644
index 000000000..1d57cabe1
--- /dev/null
+++ b/node_modules/request/node_modules/qs/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"dist"
+	]
+}
diff --git a/node_modules/request/node_modules/qs/CHANGELOG.md b/node_modules/request/node_modules/qs/CHANGELOG.md
new file mode 100644
index 000000000..849c92ea0
--- /dev/null
+++ b/node_modules/request/node_modules/qs/CHANGELOG.md
@@ -0,0 +1,250 @@
+## **6.5.3**
+- [Fix] `parse`: ignore `__proto__` keys (#428)
+- [Fix]` `utils.merge`: avoid a crash with a null target and a truthy non-array source
+- [Fix] correctly parse nested arrays
+- [Fix] `stringify`: fix a crash with `strictNullHandling` and a custom `filter`/`serializeDate` (#279)
+- [Fix] `utils`: `merge`: fix crash when `source` is a truthy primitive & no options are provided
+- [Fix] when `parseArrays` is false, properly handle keys ending in `[]`
+- [Fix] fix for an impossible situation: when the formatter is called with a non-string value
+- [Fix] `utils.merge`: avoid a crash with a null target and an array source
+- [Refactor] `utils`: reduce observable [[Get]]s
+- [Refactor] use cached `Array.isArray`
+- [Refactor] `stringify`: Avoid arr = arr.concat(...), push to the existing instance (#269)
+- [Refactor] `parse`: only need to reassign the var once
+- [Robustness] `stringify`: avoid relying on a global `undefined` (#427)
+- [readme] remove travis badge; add github actions/codecov badges; update URLs
+- [Docs] Clean up license text so it’s properly detected as BSD-3-Clause
+- [Docs] Clarify the need for "arrayLimit" option
+- [meta] fix README.md (#399)
+- [meta] add FUNDING.yml
+- [actions] backport actions from main
+- [Tests] always use `String(x)` over `x.toString()`
+- [Tests] remove nonexistent tape option
+- [Dev Deps] backport from main
+
+## **6.5.2**
+- [Fix] use `safer-buffer` instead of `Buffer` constructor
+- [Refactor] utils: `module.exports` one thing, instead of mutating `exports` (#230)
+- [Dev Deps] update `browserify`, `eslint`, `iconv-lite`, `safer-buffer`, `tape`, `browserify`
+
+## **6.5.1**
+- [Fix] Fix parsing & compacting very deep objects (#224)
+- [Refactor] name utils functions
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape`
+- [Tests] up to `node` `v8.4`; use `nvm install-latest-npm` so newer npm doesn’t break older node
+- [Tests] Use precise dist for Node.js 0.6 runtime (#225)
+- [Tests] make 0.6 required, now that it’s passing
+- [Tests] on `node` `v8.2`; fix npm on node 0.6
+
+## **6.5.0**
+- [New] add `utils.assign`
+- [New] pass default encoder/decoder to custom encoder/decoder functions (#206)
+- [New] `parse`/`stringify`: add `ignoreQueryPrefix`/`addQueryPrefix` options, respectively (#213)
+- [Fix] Handle stringifying empty objects with addQueryPrefix (#217)
+- [Fix] do not mutate `options` argument (#207)
+- [Refactor] `parse`: cache index to reuse in else statement (#182)
+- [Docs] add various badges to readme (#208)
+- [Dev Deps] update `eslint`, `browserify`, `iconv-lite`, `tape`
+- [Tests] up to `node` `v8.1`, `v7.10`, `v6.11`; npm v4.6 breaks on node < v1; npm v5+ breaks on node < v4
+- [Tests] add `editorconfig-tools`
+
+## **6.4.0**
+- [New] `qs.stringify`: add `encodeValuesOnly` option
+- [Fix] follow `allowPrototypes` option during merge (#201, #201)
+- [Fix] support keys starting with brackets (#202, #200)
+- [Fix] chmod a-x
+- [Dev Deps] update `eslint`
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+- [eslint] reduce warnings
+
+## **6.3.2**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Dev Deps] update `eslint`
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.3.1**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties (thanks, @snyk!)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `browserify`, `iconv-lite`, `qs-iconv`, `tape`
+- [Tests] on all node minors; improve test matrix
+- [Docs] document stringify option `allowDots` (#195)
+- [Docs] add empty object and array values example (#195)
+- [Docs] Fix minor inconsistency/typo (#192)
+- [Docs] document stringify option `sort` (#191)
+- [Refactor] `stringify`: throw faster with an invalid encoder
+- [Refactor] remove unnecessary escapes (#184)
+- Remove contributing.md, since `qs` is no longer part of `hapi` (#183)
+
+## **6.3.0**
+- [New] Add support for RFC 1738 (#174, #173)
+- [New] `stringify`: Add `serializeDate` option to customize Date serialization (#159)
+- [Fix] ensure `utils.merge` handles merging two arrays
+- [Refactor] only constructors should be capitalized
+- [Refactor] capitalized var names are for constructors only
+- [Refactor] avoid using a sparse array
+- [Robustness] `formats`: cache `String#replace`
+- [Dev Deps] update `browserify`, `eslint`, `@ljharb/eslint-config`; add `safe-publish-latest`
+- [Tests] up to `node` `v6.8`, `v4.6`; improve test matrix
+- [Tests] flesh out arrayLimit/arrayFormat tests (#107)
+- [Tests] skip Object.create tests when null objects are not available
+- [Tests] Turn on eslint for test files (#175)
+
+## **6.2.3**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.2.2**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties
+
+## **6.2.1**
+- [Fix] ensure `key[]=x&key[]&key[]=y` results in 3, not 2, values
+- [Refactor] Be explicit and use `Object.prototype.hasOwnProperty.call`
+- [Tests] remove `parallelshell` since it does not reliably report failures
+- [Tests] up to `node` `v6.3`, `v5.12`
+- [Dev Deps] update `tape`, `eslint`, `@ljharb/eslint-config`, `qs-iconv`
+
+## [**6.2.0**](https://github.com/ljharb/qs/issues?milestone=36&state=closed)
+- [New] pass Buffers to the encoder/decoder directly (#161)
+- [New] add "encoder" and "decoder" options, for custom param encoding/decoding (#160)
+- [Fix] fix compacting of nested sparse arrays (#150)
+
+## **6.1.2
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.1.1**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties
+
+## [**6.1.0**](https://github.com/ljharb/qs/issues?milestone=35&state=closed)
+- [New] allowDots option for `stringify` (#151)
+- [Fix] "sort" option should work at a depth of 3 or more (#151)
+- [Fix] Restore `dist` directory; will be removed in v7 (#148)
+
+## **6.0.4**
+- [Fix] follow `allowPrototypes` option during merge (#201, #200)
+- [Fix] chmod a-x
+- [Fix] support keys starting with brackets (#202, #200)
+- [Tests] up to `node` `v7.7`, `v6.10`,` v4.8`; disable osx builds since they block linux builds
+
+## **6.0.3**
+- [Fix] ensure that `allowPrototypes: false` does not ever shadow Object.prototype properties
+- [Fix] Restore `dist` directory; will be removed in v7 (#148)
+
+## [**6.0.2**](https://github.com/ljharb/qs/issues?milestone=33&state=closed)
+- Revert ES6 requirement and restore support for node down to v0.8.
+
+## [**6.0.1**](https://github.com/ljharb/qs/issues?milestone=32&state=closed)
+- [**#127**](https://github.com/ljharb/qs/pull/127) Fix engines definition in package.json
+
+## [**6.0.0**](https://github.com/ljharb/qs/issues?milestone=31&state=closed)
+- [**#124**](https://github.com/ljharb/qs/issues/124) Use ES6 and drop support for node < v4
+
+## **5.2.1**
+- [Fix] ensure `key[]=x&key[]&key[]=y` results in 3, not 2, values
+
+## [**5.2.0**](https://github.com/ljharb/qs/issues?milestone=30&state=closed)
+- [**#64**](https://github.com/ljharb/qs/issues/64) Add option to sort object keys in the query string
+
+## [**5.1.0**](https://github.com/ljharb/qs/issues?milestone=29&state=closed)
+- [**#117**](https://github.com/ljharb/qs/issues/117) make URI encoding stringified results optional
+- [**#106**](https://github.com/ljharb/qs/issues/106) Add flag `skipNulls` to optionally skip null values in stringify
+
+## [**5.0.0**](https://github.com/ljharb/qs/issues?milestone=28&state=closed)
+- [**#114**](https://github.com/ljharb/qs/issues/114) default allowDots to false
+- [**#100**](https://github.com/ljharb/qs/issues/100) include dist to npm
+
+## [**4.0.0**](https://github.com/ljharb/qs/issues?milestone=26&state=closed)
+- [**#98**](https://github.com/ljharb/qs/issues/98) make returning plain objects and allowing prototype overwriting properties optional
+
+## [**3.1.0**](https://github.com/ljharb/qs/issues?milestone=24&state=closed)
+- [**#89**](https://github.com/ljharb/qs/issues/89) Add option to disable "Transform dot notation to bracket notation"
+
+## [**3.0.0**](https://github.com/ljharb/qs/issues?milestone=23&state=closed)
+- [**#80**](https://github.com/ljharb/qs/issues/80) qs.parse silently drops properties
+- [**#77**](https://github.com/ljharb/qs/issues/77) Perf boost
+- [**#60**](https://github.com/ljharb/qs/issues/60) Add explicit option to disable array parsing
+- [**#74**](https://github.com/ljharb/qs/issues/74) Bad parse when turning array into object
+- [**#81**](https://github.com/ljharb/qs/issues/81) Add a `filter` option
+- [**#68**](https://github.com/ljharb/qs/issues/68) Fixed issue with recursion and passing strings into objects.
+- [**#66**](https://github.com/ljharb/qs/issues/66) Add mixed array and object dot notation support Closes: #47
+- [**#76**](https://github.com/ljharb/qs/issues/76) RFC 3986
+- [**#85**](https://github.com/ljharb/qs/issues/85) No equal sign
+- [**#84**](https://github.com/ljharb/qs/issues/84) update license attribute
+
+## [**2.4.1**](https://github.com/ljharb/qs/issues?milestone=20&state=closed)
+- [**#73**](https://github.com/ljharb/qs/issues/73) Property 'hasOwnProperty' of object #<Object> is not a function
+
+## [**2.4.0**](https://github.com/ljharb/qs/issues?milestone=19&state=closed)
+- [**#70**](https://github.com/ljharb/qs/issues/70) Add arrayFormat option
+
+## [**2.3.3**](https://github.com/ljharb/qs/issues?milestone=18&state=closed)
+- [**#59**](https://github.com/ljharb/qs/issues/59) make sure array indexes are >= 0, closes #57
+- [**#58**](https://github.com/ljharb/qs/issues/58) make qs usable for browser loader
+
+## [**2.3.2**](https://github.com/ljharb/qs/issues?milestone=17&state=closed)
+- [**#55**](https://github.com/ljharb/qs/issues/55) allow merging a string into an object
+
+## [**2.3.1**](https://github.com/ljharb/qs/issues?milestone=16&state=closed)
+- [**#52**](https://github.com/ljharb/qs/issues/52) Return "undefined" and "false" instead of throwing "TypeError".
+
+## [**2.3.0**](https://github.com/ljharb/qs/issues?milestone=15&state=closed)
+- [**#50**](https://github.com/ljharb/qs/issues/50) add option to omit array indices, closes #46
+
+## [**2.2.5**](https://github.com/ljharb/qs/issues?milestone=14&state=closed)
+- [**#39**](https://github.com/ljharb/qs/issues/39) Is there an alternative to Buffer.isBuffer?
+- [**#49**](https://github.com/ljharb/qs/issues/49) refactor utils.merge, fixes #45
+- [**#41**](https://github.com/ljharb/qs/issues/41) avoid browserifying Buffer, for #39
+
+## [**2.2.4**](https://github.com/ljharb/qs/issues?milestone=13&state=closed)
+- [**#38**](https://github.com/ljharb/qs/issues/38) how to handle object keys beginning with a number
+
+## [**2.2.3**](https://github.com/ljharb/qs/issues?milestone=12&state=closed)
+- [**#37**](https://github.com/ljharb/qs/issues/37) parser discards first empty value in array
+- [**#36**](https://github.com/ljharb/qs/issues/36) Update to lab 4.x
+
+## [**2.2.2**](https://github.com/ljharb/qs/issues?milestone=11&state=closed)
+- [**#33**](https://github.com/ljharb/qs/issues/33) Error when plain object in a value
+- [**#34**](https://github.com/ljharb/qs/issues/34) use Object.prototype.hasOwnProperty.call instead of obj.hasOwnProperty
+- [**#24**](https://github.com/ljharb/qs/issues/24) Changelog? Semver?
+
+## [**2.2.1**](https://github.com/ljharb/qs/issues?milestone=10&state=closed)
+- [**#32**](https://github.com/ljharb/qs/issues/32) account for circular references properly, closes #31
+- [**#31**](https://github.com/ljharb/qs/issues/31) qs.parse stackoverflow on circular objects
+
+## [**2.2.0**](https://github.com/ljharb/qs/issues?milestone=9&state=closed)
+- [**#26**](https://github.com/ljharb/qs/issues/26) Don't use Buffer global if it's not present
+- [**#30**](https://github.com/ljharb/qs/issues/30) Bug when merging non-object values into arrays
+- [**#29**](https://github.com/ljharb/qs/issues/29) Don't call Utils.clone at the top of Utils.merge
+- [**#23**](https://github.com/ljharb/qs/issues/23) Ability to not limit parameters?
+
+## [**2.1.0**](https://github.com/ljharb/qs/issues?milestone=8&state=closed)
+- [**#22**](https://github.com/ljharb/qs/issues/22) Enable using a RegExp as delimiter
+
+## [**2.0.0**](https://github.com/ljharb/qs/issues?milestone=7&state=closed)
+- [**#18**](https://github.com/ljharb/qs/issues/18) Why is there arrayLimit?
+- [**#20**](https://github.com/ljharb/qs/issues/20) Configurable parametersLimit
+- [**#21**](https://github.com/ljharb/qs/issues/21) make all limits optional, for #18, for #20
+
+## [**1.2.2**](https://github.com/ljharb/qs/issues?milestone=6&state=closed)
+- [**#19**](https://github.com/ljharb/qs/issues/19) Don't overwrite null values
+
+## [**1.2.1**](https://github.com/ljharb/qs/issues?milestone=5&state=closed)
+- [**#16**](https://github.com/ljharb/qs/issues/16) ignore non-string delimiters
+- [**#15**](https://github.com/ljharb/qs/issues/15) Close code block
+
+## [**1.2.0**](https://github.com/ljharb/qs/issues?milestone=4&state=closed)
+- [**#12**](https://github.com/ljharb/qs/issues/12) Add optional delim argument
+- [**#13**](https://github.com/ljharb/qs/issues/13) fix #11: flattened keys in array are now correctly parsed
+
+## [**1.1.0**](https://github.com/ljharb/qs/issues?milestone=3&state=closed)
+- [**#7**](https://github.com/ljharb/qs/issues/7) Empty values of a POST array disappear after being submitted
+- [**#9**](https://github.com/ljharb/qs/issues/9) Should not omit equals signs (=) when value is null
+- [**#6**](https://github.com/ljharb/qs/issues/6) Minor grammar fix in README
+
+## [**1.0.2**](https://github.com/ljharb/qs/issues?milestone=2&state=closed)
+- [**#5**](https://github.com/ljharb/qs/issues/5) array holes incorrectly copied into object on large index
diff --git a/node_modules/request/node_modules/qs/LICENSE.md b/node_modules/request/node_modules/qs/LICENSE.md
new file mode 100644
index 000000000..fecf6b694
--- /dev/null
+++ b/node_modules/request/node_modules/qs/LICENSE.md
@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2014, Nathan LaFreniere and other [contributors](https://github.com/ljharb/qs/graphs/contributors)
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/request/node_modules/qs/README.md b/node_modules/request/node_modules/qs/README.md
new file mode 100644
index 000000000..20fb9cad4
--- /dev/null
+++ b/node_modules/request/node_modules/qs/README.md
@@ -0,0 +1,510 @@
+# qs <sup>[![Version Badge][2]][1]</sup>
+
+[![github actions][actions-image]][actions-url]
+[![coverage][codecov-image]][codecov-url]
+[![dependency status][deps-svg]][deps-url]
+[![dev dependency status][dev-deps-svg]][dev-deps-url]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][npm-badge-png]][package-url]
+
+A querystring parsing and stringifying library with some added security.
+
+Lead Maintainer: [Jordan Harband](https://github.com/ljharb)
+
+The **qs** module was originally created and maintained by [TJ Holowaychuk](https://github.com/visionmedia/node-querystring).
+
+## Usage
+
+```javascript
+var qs = require('qs');
+var assert = require('assert');
+
+var obj = qs.parse('a=c');
+assert.deepEqual(obj, { a: 'c' });
+
+var str = qs.stringify(obj);
+assert.equal(str, 'a=c');
+```
+
+### Parsing Objects
+
+[](#preventEval)
+```javascript
+qs.parse(string, [options]);
+```
+
+**qs** allows you to create nested objects within your query strings, by surrounding the name of sub-keys with square brackets `[]`.
+For example, the string `'foo[bar]=baz'` converts to:
+
+```javascript
+assert.deepEqual(qs.parse('foo[bar]=baz'), {
+    foo: {
+        bar: 'baz'
+    }
+});
+```
+
+When using the `plainObjects` option the parsed value is returned as a null object, created via `Object.create(null)` and as such you should be aware that prototype methods will not exist on it and a user may set those names to whatever value they like:
+
+```javascript
+var nullObject = qs.parse('a[hasOwnProperty]=b', { plainObjects: true });
+assert.deepEqual(nullObject, { a: { hasOwnProperty: 'b' } });
+```
+
+By default parameters that would overwrite properties on the object prototype are ignored, if you wish to keep the data from those fields either use `plainObjects` as mentioned above, or set `allowPrototypes` to `true` which will allow user input to overwrite those properties. *WARNING* It is generally a bad idea to enable this option as it can cause problems when attempting to use the properties that have been overwritten. Always be careful with this option.
+
+```javascript
+var protoObject = qs.parse('a[hasOwnProperty]=b', { allowPrototypes: true });
+assert.deepEqual(protoObject, { a: { hasOwnProperty: 'b' } });
+```
+
+URI encoded strings work too:
+
+```javascript
+assert.deepEqual(qs.parse('a%5Bb%5D=c'), {
+    a: { b: 'c' }
+});
+```
+
+You can also nest your objects, like `'foo[bar][baz]=foobarbaz'`:
+
+```javascript
+assert.deepEqual(qs.parse('foo[bar][baz]=foobarbaz'), {
+    foo: {
+        bar: {
+            baz: 'foobarbaz'
+        }
+    }
+});
+```
+
+By default, when nesting objects **qs** will only parse up to 5 children deep. This means if you attempt to parse a string like
+`'a[b][c][d][e][f][g][h][i]=j'` your resulting object will be:
+
+```javascript
+var expected = {
+    a: {
+        b: {
+            c: {
+                d: {
+                    e: {
+                        f: {
+                            '[g][h][i]': 'j'
+                        }
+                    }
+                }
+            }
+        }
+    }
+};
+var string = 'a[b][c][d][e][f][g][h][i]=j';
+assert.deepEqual(qs.parse(string), expected);
+```
+
+This depth can be overridden by passing a `depth` option to `qs.parse(string, [options])`:
+
+```javascript
+var deep = qs.parse('a[b][c][d][e][f][g][h][i]=j', { depth: 1 });
+assert.deepEqual(deep, { a: { b: { '[c][d][e][f][g][h][i]': 'j' } } });
+```
+
+The depth limit helps mitigate abuse when **qs** is used to parse user input, and it is recommended to keep it a reasonably small number.
+
+For similar reasons, by default **qs** will only parse up to 1000 parameters. This can be overridden by passing a `parameterLimit` option:
+
+```javascript
+var limited = qs.parse('a=b&c=d', { parameterLimit: 1 });
+assert.deepEqual(limited, { a: 'b' });
+```
+
+To bypass the leading question mark, use `ignoreQueryPrefix`:
+
+```javascript
+var prefixed = qs.parse('?a=b&c=d', { ignoreQueryPrefix: true });
+assert.deepEqual(prefixed, { a: 'b', c: 'd' });
+```
+
+An optional delimiter can also be passed:
+
+```javascript
+var delimited = qs.parse('a=b;c=d', { delimiter: ';' });
+assert.deepEqual(delimited, { a: 'b', c: 'd' });
+```
+
+Delimiters can be a regular expression too:
+
+```javascript
+var regexed = qs.parse('a=b;c=d,e=f', { delimiter: /[;,]/ });
+assert.deepEqual(regexed, { a: 'b', c: 'd', e: 'f' });
+```
+
+Option `allowDots` can be used to enable dot notation:
+
+```javascript
+var withDots = qs.parse('a.b=c', { allowDots: true });
+assert.deepEqual(withDots, { a: { b: 'c' } });
+```
+
+### Parsing Arrays
+
+**qs** can also parse arrays using a similar `[]` notation:
+
+```javascript
+var withArray = qs.parse('a[]=b&a[]=c');
+assert.deepEqual(withArray, { a: ['b', 'c'] });
+```
+
+You may specify an index as well:
+
+```javascript
+var withIndexes = qs.parse('a[1]=c&a[0]=b');
+assert.deepEqual(withIndexes, { a: ['b', 'c'] });
+```
+
+Note that the only difference between an index in an array and a key in an object is that the value between the brackets must be a number
+to create an array. When creating arrays with specific indices, **qs** will compact a sparse array to only the existing values preserving
+their order:
+
+```javascript
+var noSparse = qs.parse('a[1]=b&a[15]=c');
+assert.deepEqual(noSparse, { a: ['b', 'c'] });
+```
+
+Note that an empty string is also a value, and will be preserved:
+
+```javascript
+var withEmptyString = qs.parse('a[]=&a[]=b');
+assert.deepEqual(withEmptyString, { a: ['', 'b'] });
+
+var withIndexedEmptyString = qs.parse('a[0]=b&a[1]=&a[2]=c');
+assert.deepEqual(withIndexedEmptyString, { a: ['b', '', 'c'] });
+```
+
+**qs** will also limit specifying indices in an array to a maximum index of `20`. Any array members with an index of greater than `20` will
+instead be converted to an object with the index as the key. This is needed to handle cases when someone sent, for example, `a[999999999]` and it will take significant time to iterate over this huge array.
+
+```javascript
+var withMaxIndex = qs.parse('a[100]=b');
+assert.deepEqual(withMaxIndex, { a: { '100': 'b' } });
+```
+
+This limit can be overridden by passing an `arrayLimit` option:
+
+```javascript
+var withArrayLimit = qs.parse('a[1]=b', { arrayLimit: 0 });
+assert.deepEqual(withArrayLimit, { a: { '1': 'b' } });
+```
+
+To disable array parsing entirely, set `parseArrays` to `false`.
+
+```javascript
+var noParsingArrays = qs.parse('a[]=b', { parseArrays: false });
+assert.deepEqual(noParsingArrays, { a: { '0': 'b' } });
+```
+
+If you mix notations, **qs** will merge the two items into an object:
+
+```javascript
+var mixedNotation = qs.parse('a[0]=b&a[b]=c');
+assert.deepEqual(mixedNotation, { a: { '0': 'b', b: 'c' } });
+```
+
+You can also create arrays of objects:
+
+```javascript
+var arraysOfObjects = qs.parse('a[][b]=c');
+assert.deepEqual(arraysOfObjects, { a: [{ b: 'c' }] });
+```
+
+### Stringifying
+
+[](#preventEval)
+```javascript
+qs.stringify(object, [options]);
+```
+
+When stringifying, **qs** by default URI encodes output. Objects are stringified as you would expect:
+
+```javascript
+assert.equal(qs.stringify({ a: 'b' }), 'a=b');
+assert.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
+```
+
+This encoding can be disabled by setting the `encode` option to `false`:
+
+```javascript
+var unencoded = qs.stringify({ a: { b: 'c' } }, { encode: false });
+assert.equal(unencoded, 'a[b]=c');
+```
+
+Encoding can be disabled for keys by setting the `encodeValuesOnly` option to `true`:
+```javascript
+var encodedValues = qs.stringify(
+    { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
+    { encodeValuesOnly: true }
+);
+assert.equal(encodedValues,'a=b&c[0]=d&c[1]=e%3Df&f[0][0]=g&f[1][0]=h');
+```
+
+This encoding can also be replaced by a custom encoding method set as `encoder` option:
+
+```javascript
+var encoded = qs.stringify({ a: { b: 'c' } }, { encoder: function (str) {
+    // Passed in values `a`, `b`, `c`
+    return // Return encoded string
+}})
+```
+
+_(Note: the `encoder` option does not apply if `encode` is `false`)_
+
+Analogue to the `encoder` there is a `decoder` option for `parse` to override decoding of properties and values:
+
+```javascript
+var decoded = qs.parse('x=z', { decoder: function (str) {
+    // Passed in values `x`, `z`
+    return // Return decoded string
+}})
+```
+
+You can encode keys and values using different logic by using the type argument provided to the encoder:
+
+```javascript
+var encoded = qs.stringify({ a: { b: 'c' } }, { encoder: function (str, defaultEncoder, charset, type) {
+    if (type === 'key') {
+        return // Encoded key
+    } else if (type === 'value') {
+        return // Encoded value
+    }
+}})
+```
+
+The type argument is also provided to the decoder:
+
+```javascript
+var decoded = qs.parse('x=z', { decoder: function (str, defaultDecoder, charset, type) {
+    if (type === 'key') {
+        return // Decoded key
+    } else if (type === 'value') {
+        return // Decoded value
+    }
+}})
+```
+
+Examples beyond this point will be shown as though the output is not URI encoded for clarity. Please note that the return values in these cases *will* be URI encoded during real usage.
+
+When arrays are stringified, by default they are given explicit indices:
+
+```javascript
+qs.stringify({ a: ['b', 'c', 'd'] });
+// 'a[0]=b&a[1]=c&a[2]=d'
+```
+
+You may override this by setting the `indices` option to `false`:
+
+```javascript
+qs.stringify({ a: ['b', 'c', 'd'] }, { indices: false });
+// 'a=b&a=c&a=d'
+```
+
+You may use the `arrayFormat` option to specify the format of the output array:
+
+```javascript
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'indices' })
+// 'a[0]=b&a[1]=c'
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'brackets' })
+// 'a[]=b&a[]=c'
+qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'repeat' })
+// 'a=b&a=c'
+```
+
+When objects are stringified, by default they use bracket notation:
+
+```javascript
+qs.stringify({ a: { b: { c: 'd', e: 'f' } } });
+// 'a[b][c]=d&a[b][e]=f'
+```
+
+You may override this to use dot notation by setting the `allowDots` option to `true`:
+
+```javascript
+qs.stringify({ a: { b: { c: 'd', e: 'f' } } }, { allowDots: true });
+// 'a.b.c=d&a.b.e=f'
+```
+
+Empty strings and null values will omit the value, but the equals sign (=) remains in place:
+
+```javascript
+assert.equal(qs.stringify({ a: '' }), 'a=');
+```
+
+Key with no values (such as an empty object or array) will return nothing:
+
+```javascript
+assert.equal(qs.stringify({ a: [] }), '');
+assert.equal(qs.stringify({ a: {} }), '');
+assert.equal(qs.stringify({ a: [{}] }), '');
+assert.equal(qs.stringify({ a: { b: []} }), '');
+assert.equal(qs.stringify({ a: { b: {}} }), '');
+```
+
+Properties that are set to `undefined` will be omitted entirely:
+
+```javascript
+assert.equal(qs.stringify({ a: null, b: undefined }), 'a=');
+```
+
+The query string may optionally be prepended with a question mark:
+
+```javascript
+assert.equal(qs.stringify({ a: 'b', c: 'd' }, { addQueryPrefix: true }), '?a=b&c=d');
+```
+
+The delimiter may be overridden with stringify as well:
+
+```javascript
+assert.equal(qs.stringify({ a: 'b', c: 'd' }, { delimiter: ';' }), 'a=b;c=d');
+```
+
+If you only want to override the serialization of `Date` objects, you can provide a `serializeDate` option:
+
+```javascript
+var date = new Date(7);
+assert.equal(qs.stringify({ a: date }), 'a=1970-01-01T00:00:00.007Z'.replace(/:/g, '%3A'));
+assert.equal(
+    qs.stringify({ a: date }, { serializeDate: function (d) { return d.getTime(); } }),
+    'a=7'
+);
+```
+
+You may use the `sort` option to affect the order of parameter keys:
+
+```javascript
+function alphabeticalSort(a, b) {
+    return a.localeCompare(b);
+}
+assert.equal(qs.stringify({ a: 'c', z: 'y', b : 'f' }, { sort: alphabeticalSort }), 'a=c&b=f&z=y');
+```
+
+Finally, you can use the `filter` option to restrict which keys will be included in the stringified output.
+If you pass a function, it will be called for each key to obtain the replacement value. Otherwise, if you
+pass an array, it will be used to select properties and array indices for stringification:
+
+```javascript
+function filterFunc(prefix, value) {
+    if (prefix == 'b') {
+        // Return an `undefined` value to omit a property.
+        return;
+    }
+    if (prefix == 'e[f]') {
+        return value.getTime();
+    }
+    if (prefix == 'e[g][0]') {
+        return value * 2;
+    }
+    return value;
+}
+qs.stringify({ a: 'b', c: 'd', e: { f: new Date(123), g: [2] } }, { filter: filterFunc });
+// 'a=b&c=d&e[f]=123&e[g][0]=4'
+qs.stringify({ a: 'b', c: 'd', e: 'f' }, { filter: ['a', 'e'] });
+// 'a=b&e=f'
+qs.stringify({ a: ['b', 'c', 'd'], e: 'f' }, { filter: ['a', 0, 2] });
+// 'a[0]=b&a[2]=d'
+```
+
+### Handling of `null` values
+
+By default, `null` values are treated like empty strings:
+
+```javascript
+var withNull = qs.stringify({ a: null, b: '' });
+assert.equal(withNull, 'a=&b=');
+```
+
+Parsing does not distinguish between parameters with and without equal signs. Both are converted to empty strings.
+
+```javascript
+var equalsInsensitive = qs.parse('a&b=');
+assert.deepEqual(equalsInsensitive, { a: '', b: '' });
+```
+
+To distinguish between `null` values and empty strings use the `strictNullHandling` flag. In the result string the `null`
+values have no `=` sign:
+
+```javascript
+var strictNull = qs.stringify({ a: null, b: '' }, { strictNullHandling: true });
+assert.equal(strictNull, 'a&b=');
+```
+
+To parse values without `=` back to `null` use the `strictNullHandling` flag:
+
+```javascript
+var parsedStrictNull = qs.parse('a&b=', { strictNullHandling: true });
+assert.deepEqual(parsedStrictNull, { a: null, b: '' });
+```
+
+To completely skip rendering keys with `null` values, use the `skipNulls` flag:
+
+```javascript
+var nullsSkipped = qs.stringify({ a: 'b', c: null}, { skipNulls: true });
+assert.equal(nullsSkipped, 'a=b');
+```
+
+### Dealing with special character sets
+
+By default the encoding and decoding of characters is done in `utf-8`. If you
+wish to encode querystrings to a different character set (i.e.
+[Shift JIS](https://en.wikipedia.org/wiki/Shift_JIS)) you can use the
+[`qs-iconv`](https://github.com/martinheidegger/qs-iconv) library:
+
+```javascript
+var encoder = require('qs-iconv/encoder')('shift_jis');
+var shiftJISEncoded = qs.stringify({ a: 'こんにちは！' }, { encoder: encoder });
+assert.equal(shiftJISEncoded, 'a=%82%B1%82%F1%82%C9%82%BF%82%CD%81I');
+```
+
+This also works for decoding of query strings:
+
+```javascript
+var decoder = require('qs-iconv/decoder')('shift_jis');
+var obj = qs.parse('a=%82%B1%82%F1%82%C9%82%BF%82%CD%81I', { decoder: decoder });
+assert.deepEqual(obj, { a: 'こんにちは！' });
+```
+
+### RFC 3986 and RFC 1738 space encoding
+
+RFC3986 used as default option and encodes ' ' to *%20* which is backward compatible.
+In the same time, output can be stringified as per RFC1738 with ' ' equal to '+'.
+
+```
+assert.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
+assert.equal(qs.stringify({ a: 'b c' }, { format : 'RFC3986' }), 'a=b%20c');
+assert.equal(qs.stringify({ a: 'b c' }, { format : 'RFC1738' }), 'a=b+c');
+```
+
+## Security
+
+Please email [@ljharb](https://github.com/ljharb) or see https://tidelift.com/security if you have a potential security vulnerability to report.
+
+## qs for enterprise
+
+Available as part of the Tidelift Subscription
+
+The maintainers of qs and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-qs?utm_source=npm-qs&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)
+
+[package-url]: https://npmjs.org/package/qs
+[npm-version-svg]: https://versionbadg.es/ljharb/qs.svg
+[deps-svg]: https://david-dm.org/ljharb/qs.svg
+[deps-url]: https://david-dm.org/ljharb/qs
+[dev-deps-svg]: https://david-dm.org/ljharb/qs/dev-status.svg
+[dev-deps-url]: https://david-dm.org/ljharb/qs#info=devDependencies
+[npm-badge-png]: https://nodei.co/npm/qs.png?downloads=true&stars=true
+[license-image]: https://img.shields.io/npm/l/qs.svg
+[license-url]: LICENSE
+[downloads-image]: https://img.shields.io/npm/dm/qs.svg
+[downloads-url]: https://npm-stat.com/charts.html?package=qs
+[codecov-image]: https://codecov.io/gh/ljharb/qs/branch/main/graphs/badge.svg
+[codecov-url]: https://app.codecov.io/gh/ljharb/qs/
+[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/qs
+[actions-url]: https://github.com/ljharb/qs/actions
diff --git a/node_modules/request/node_modules/qs/bower.json b/node_modules/request/node_modules/qs/bower.json
new file mode 100644
index 000000000..7a582762c
--- /dev/null
+++ b/node_modules/request/node_modules/qs/bower.json
@@ -0,0 +1,21 @@
+{
+    "name": "qs",
+    "main": "dist/qs.js",
+    "homepage": "https://github.com/hapijs/qs",
+    "authors": [
+        "Nathan LaFreniere <quitlahok@gmail.com>"
+    ],
+    "description": "A querystring parser that supports nesting and arrays, with a depth limit",
+    "keywords": [
+        "querystring",
+        "qs"
+    ],
+    "license": "BSD-3-Clause",
+    "ignore": [
+        "**/.*",
+        "node_modules",
+        "bower_components",
+        "test",
+        "tests"
+    ]
+}
diff --git a/node_modules/request/node_modules/qs/component.json b/node_modules/request/node_modules/qs/component.json
new file mode 100644
index 000000000..dd13558f2
--- /dev/null
+++ b/node_modules/request/node_modules/qs/component.json
@@ -0,0 +1,15 @@
+{
+    "name": "qs",
+    "repository": "ljharb/qs",
+    "description": "query-string parser / stringifier with nesting support",
+    "version": "6.5.3",
+    "keywords": ["querystring", "query", "parser"],
+    "main": "lib/index.js",
+    "scripts": [
+        "lib/index.js",
+        "lib/parse.js",
+        "lib/stringify.js",
+        "lib/utils.js"
+    ],
+    "license": "BSD-3-Clause"
+}
diff --git a/node_modules/request/node_modules/qs/dist/qs.js b/node_modules/request/node_modules/qs/dist/qs.js
new file mode 100644
index 000000000..9f54e3fb1
--- /dev/null
+++ b/node_modules/request/node_modules/qs/dist/qs.js
@@ -0,0 +1,648 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Qs = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+'use strict';
+
+var replace = String.prototype.replace;
+var percentTwenties = /%20/g;
+
+module.exports = {
+    'default': 'RFC3986',
+    formatters: {
+        RFC1738: function (value) {
+            return replace.call(value, percentTwenties, '+');
+        },
+        RFC3986: function (value) {
+            return String(value);
+        }
+    },
+    RFC1738: 'RFC1738',
+    RFC3986: 'RFC3986'
+};
+
+},{}],2:[function(require,module,exports){
+'use strict';
+
+var stringify = require('./stringify');
+var parse = require('./parse');
+var formats = require('./formats');
+
+module.exports = {
+    formats: formats,
+    parse: parse,
+    stringify: stringify
+};
+
+},{"./formats":1,"./parse":3,"./stringify":4}],3:[function(require,module,exports){
+'use strict';
+
+var utils = require('./utils');
+
+var has = Object.prototype.hasOwnProperty;
+
+var defaults = {
+    allowDots: false,
+    allowPrototypes: false,
+    arrayLimit: 20,
+    decoder: utils.decode,
+    delimiter: '&',
+    depth: 5,
+    parameterLimit: 1000,
+    plainObjects: false,
+    strictNullHandling: false
+};
+
+var parseValues = function parseQueryStringValues(str, options) {
+    var obj = {};
+    var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str;
+    var limit = options.parameterLimit === Infinity ? undefined : options.parameterLimit;
+    var parts = cleanStr.split(options.delimiter, limit);
+
+    for (var i = 0; i < parts.length; ++i) {
+        var part = parts[i];
+
+        var bracketEqualsPos = part.indexOf(']=');
+        var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1;
+
+        var key, val;
+        if (pos === -1) {
+            key = options.decoder(part, defaults.decoder);
+            val = options.strictNullHandling ? null : '';
+        } else {
+            key = options.decoder(part.slice(0, pos), defaults.decoder);
+            val = options.decoder(part.slice(pos + 1), defaults.decoder);
+        }
+        if (has.call(obj, key)) {
+            obj[key] = [].concat(obj[key]).concat(val);
+        } else {
+            obj[key] = val;
+        }
+    }
+
+    return obj;
+};
+
+var parseObject = function (chain, val, options) {
+    var leaf = val;
+
+    for (var i = chain.length - 1; i >= 0; --i) {
+        var obj;
+        var root = chain[i];
+
+        if (root === '[]' && options.parseArrays) {
+            obj = [].concat(leaf);
+        } else {
+            obj = options.plainObjects ? Object.create(null) : {};
+            var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;
+            var index = parseInt(cleanRoot, 10);
+            if (!options.parseArrays && cleanRoot === '') {
+                obj = { 0: leaf };
+            } else if (
+                !isNaN(index)
+                && root !== cleanRoot
+                && String(index) === cleanRoot
+                && index >= 0
+                && (options.parseArrays && index <= options.arrayLimit)
+            ) {
+                obj = [];
+                obj[index] = leaf;
+            } else if (cleanRoot !== '__proto__') {
+                obj[cleanRoot] = leaf;
+            }
+        }
+
+        leaf = obj;
+    }
+
+    return leaf;
+};
+
+var parseKeys = function parseQueryStringKeys(givenKey, val, options) {
+    if (!givenKey) {
+        return;
+    }
+
+    // Transform dot notation to bracket notation
+    var key = options.allowDots ? givenKey.replace(/\.([^.[]+)/g, '[$1]') : givenKey;
+
+    // The regex chunks
+
+    var brackets = /(\[[^[\]]*])/;
+    var child = /(\[[^[\]]*])/g;
+
+    // Get the parent
+
+    var segment = brackets.exec(key);
+    var parent = segment ? key.slice(0, segment.index) : key;
+
+    // Stash the parent if it exists
+
+    var keys = [];
+    if (parent) {
+        // If we aren't using plain objects, optionally prefix keys
+        // that would overwrite object prototype properties
+        if (!options.plainObjects && has.call(Object.prototype, parent)) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+
+        keys.push(parent);
+    }
+
+    // Loop through children appending to the array until we hit depth
+
+    var i = 0;
+    while ((segment = child.exec(key)) !== null && i < options.depth) {
+        i += 1;
+        if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+        keys.push(segment[1]);
+    }
+
+    // If there's a remainder, just add whatever is left
+
+    if (segment) {
+        keys.push('[' + key.slice(segment.index) + ']');
+    }
+
+    return parseObject(keys, val, options);
+};
+
+module.exports = function (str, opts) {
+    var options = opts ? utils.assign({}, opts) : {};
+
+    if (options.decoder !== null && options.decoder !== undefined && typeof options.decoder !== 'function') {
+        throw new TypeError('Decoder has to be a function.');
+    }
+
+    options.ignoreQueryPrefix = options.ignoreQueryPrefix === true;
+    options.delimiter = typeof options.delimiter === 'string' || utils.isRegExp(options.delimiter) ? options.delimiter : defaults.delimiter;
+    options.depth = typeof options.depth === 'number' ? options.depth : defaults.depth;
+    options.arrayLimit = typeof options.arrayLimit === 'number' ? options.arrayLimit : defaults.arrayLimit;
+    options.parseArrays = options.parseArrays !== false;
+    options.decoder = typeof options.decoder === 'function' ? options.decoder : defaults.decoder;
+    options.allowDots = typeof options.allowDots === 'boolean' ? options.allowDots : defaults.allowDots;
+    options.plainObjects = typeof options.plainObjects === 'boolean' ? options.plainObjects : defaults.plainObjects;
+    options.allowPrototypes = typeof options.allowPrototypes === 'boolean' ? options.allowPrototypes : defaults.allowPrototypes;
+    options.parameterLimit = typeof options.parameterLimit === 'number' ? options.parameterLimit : defaults.parameterLimit;
+    options.strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : defaults.strictNullHandling;
+
+    if (str === '' || str === null || typeof str === 'undefined') {
+        return options.plainObjects ? Object.create(null) : {};
+    }
+
+    var tempObj = typeof str === 'string' ? parseValues(str, options) : str;
+    var obj = options.plainObjects ? Object.create(null) : {};
+
+    // Iterate over the keys and setup the new object
+
+    var keys = Object.keys(tempObj);
+    for (var i = 0; i < keys.length; ++i) {
+        var key = keys[i];
+        var newObj = parseKeys(key, tempObj[key], options);
+        obj = utils.merge(obj, newObj, options);
+    }
+
+    return utils.compact(obj);
+};
+
+},{"./utils":5}],4:[function(require,module,exports){
+'use strict';
+
+var utils = require('./utils');
+var formats = require('./formats');
+
+var arrayPrefixGenerators = {
+    brackets: function brackets(prefix) {
+        return prefix + '[]';
+    },
+    indices: function indices(prefix, key) {
+        return prefix + '[' + key + ']';
+    },
+    repeat: function repeat(prefix) {
+        return prefix;
+    }
+};
+
+var isArray = Array.isArray;
+var push = Array.prototype.push;
+var pushToArray = function (arr, valueOrArray) {
+    push.apply(arr, isArray(valueOrArray) ? valueOrArray : [valueOrArray]);
+};
+
+var toISO = Date.prototype.toISOString;
+
+var defaults = {
+    delimiter: '&',
+    encode: true,
+    encoder: utils.encode,
+    encodeValuesOnly: false,
+    serializeDate: function serializeDate(date) {
+        return toISO.call(date);
+    },
+    skipNulls: false,
+    strictNullHandling: false
+};
+
+var stringify = function stringify(
+    object,
+    prefix,
+    generateArrayPrefix,
+    strictNullHandling,
+    skipNulls,
+    encoder,
+    filter,
+    sort,
+    allowDots,
+    serializeDate,
+    formatter,
+    encodeValuesOnly
+) {
+    var obj = object;
+    if (typeof filter === 'function') {
+        obj = filter(prefix, obj);
+    } else if (obj instanceof Date) {
+        obj = serializeDate(obj);
+    }
+
+    if (obj === null) {
+        if (strictNullHandling) {
+            return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder) : prefix;
+        }
+
+        obj = '';
+    }
+
+    if (typeof obj === 'string' || typeof obj === 'number' || typeof obj === 'boolean' || utils.isBuffer(obj)) {
+        if (encoder) {
+            var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder);
+            return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder))];
+        }
+        return [formatter(prefix) + '=' + formatter(String(obj))];
+    }
+
+    var values = [];
+
+    if (typeof obj === 'undefined') {
+        return values;
+    }
+
+    var objKeys;
+    if (isArray(filter)) {
+        objKeys = filter;
+    } else {
+        var keys = Object.keys(obj);
+        objKeys = sort ? keys.sort(sort) : keys;
+    }
+
+    for (var i = 0; i < objKeys.length; ++i) {
+        var key = objKeys[i];
+
+        if (skipNulls && obj[key] === null) {
+            continue;
+        }
+
+        if (isArray(obj)) {
+            pushToArray(values, stringify(
+                obj[key],
+                generateArrayPrefix(prefix, key),
+                generateArrayPrefix,
+                strictNullHandling,
+                skipNulls,
+                encoder,
+                filter,
+                sort,
+                allowDots,
+                serializeDate,
+                formatter,
+                encodeValuesOnly
+            ));
+        } else {
+            pushToArray(values, stringify(
+                obj[key],
+                prefix + (allowDots ? '.' + key : '[' + key + ']'),
+                generateArrayPrefix,
+                strictNullHandling,
+                skipNulls,
+                encoder,
+                filter,
+                sort,
+                allowDots,
+                serializeDate,
+                formatter,
+                encodeValuesOnly
+            ));
+        }
+    }
+
+    return values;
+};
+
+module.exports = function (object, opts) {
+    var obj = object;
+    var options = opts ? utils.assign({}, opts) : {};
+
+    if (options.encoder !== null && typeof options.encoder !== 'undefined' && typeof options.encoder !== 'function') {
+        throw new TypeError('Encoder has to be a function.');
+    }
+
+    var delimiter = typeof options.delimiter === 'undefined' ? defaults.delimiter : options.delimiter;
+    var strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : defaults.strictNullHandling;
+    var skipNulls = typeof options.skipNulls === 'boolean' ? options.skipNulls : defaults.skipNulls;
+    var encode = typeof options.encode === 'boolean' ? options.encode : defaults.encode;
+    var encoder = typeof options.encoder === 'function' ? options.encoder : defaults.encoder;
+    var sort = typeof options.sort === 'function' ? options.sort : null;
+    var allowDots = typeof options.allowDots === 'undefined' ? false : options.allowDots;
+    var serializeDate = typeof options.serializeDate === 'function' ? options.serializeDate : defaults.serializeDate;
+    var encodeValuesOnly = typeof options.encodeValuesOnly === 'boolean' ? options.encodeValuesOnly : defaults.encodeValuesOnly;
+    if (typeof options.format === 'undefined') {
+        options.format = formats['default'];
+    } else if (!Object.prototype.hasOwnProperty.call(formats.formatters, options.format)) {
+        throw new TypeError('Unknown format option provided.');
+    }
+    var formatter = formats.formatters[options.format];
+    var objKeys;
+    var filter;
+
+    if (typeof options.filter === 'function') {
+        filter = options.filter;
+        obj = filter('', obj);
+    } else if (isArray(options.filter)) {
+        filter = options.filter;
+        objKeys = filter;
+    }
+
+    var keys = [];
+
+    if (typeof obj !== 'object' || obj === null) {
+        return '';
+    }
+
+    var arrayFormat;
+    if (options.arrayFormat in arrayPrefixGenerators) {
+        arrayFormat = options.arrayFormat;
+    } else if ('indices' in options) {
+        arrayFormat = options.indices ? 'indices' : 'repeat';
+    } else {
+        arrayFormat = 'indices';
+    }
+
+    var generateArrayPrefix = arrayPrefixGenerators[arrayFormat];
+
+    if (!objKeys) {
+        objKeys = Object.keys(obj);
+    }
+
+    if (sort) {
+        objKeys.sort(sort);
+    }
+
+    for (var i = 0; i < objKeys.length; ++i) {
+        var key = objKeys[i];
+
+        if (skipNulls && obj[key] === null) {
+            continue;
+        }
+        pushToArray(keys, stringify(
+            obj[key],
+            key,
+            generateArrayPrefix,
+            strictNullHandling,
+            skipNulls,
+            encode ? encoder : null,
+            filter,
+            sort,
+            allowDots,
+            serializeDate,
+            formatter,
+            encodeValuesOnly
+        ));
+    }
+
+    var joined = keys.join(delimiter);
+    var prefix = options.addQueryPrefix === true ? '?' : '';
+
+    return joined.length > 0 ? prefix + joined : '';
+};
+
+},{"./formats":1,"./utils":5}],5:[function(require,module,exports){
+'use strict';
+
+var has = Object.prototype.hasOwnProperty;
+
+var hexTable = (function () {
+    var array = [];
+    for (var i = 0; i < 256; ++i) {
+        array.push('%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase());
+    }
+
+    return array;
+}());
+
+var compactQueue = function compactQueue(queue) {
+    var obj;
+
+    while (queue.length) {
+        var item = queue.pop();
+        obj = item.obj[item.prop];
+
+        if (Array.isArray(obj)) {
+            var compacted = [];
+
+            for (var j = 0; j < obj.length; ++j) {
+                if (typeof obj[j] !== 'undefined') {
+                    compacted.push(obj[j]);
+                }
+            }
+
+            item.obj[item.prop] = compacted;
+        }
+    }
+
+    return obj;
+};
+
+var arrayToObject = function arrayToObject(source, options) {
+    var obj = options && options.plainObjects ? Object.create(null) : {};
+    for (var i = 0; i < source.length; ++i) {
+        if (typeof source[i] !== 'undefined') {
+            obj[i] = source[i];
+        }
+    }
+
+    return obj;
+};
+
+var merge = function merge(target, source, options) {
+    if (!source) {
+        return target;
+    }
+
+    if (typeof source !== 'object') {
+        if (Array.isArray(target)) {
+            target.push(source);
+        } else if (target && typeof target === 'object') {
+            if ((options && (options.plainObjects || options.allowPrototypes)) || !has.call(Object.prototype, source)) {
+                target[source] = true;
+            }
+        } else {
+            return [target, source];
+        }
+
+        return target;
+    }
+
+    if (!target || typeof target !== 'object') {
+        return [target].concat(source);
+    }
+
+    var mergeTarget = target;
+    if (Array.isArray(target) && !Array.isArray(source)) {
+        mergeTarget = arrayToObject(target, options);
+    }
+
+    if (Array.isArray(target) && Array.isArray(source)) {
+        source.forEach(function (item, i) {
+            if (has.call(target, i)) {
+                var targetItem = target[i];
+                if (targetItem && typeof targetItem === 'object' && item && typeof item === 'object') {
+                    target[i] = merge(targetItem, item, options);
+                } else {
+                    target.push(item);
+                }
+            } else {
+                target[i] = item;
+            }
+        });
+        return target;
+    }
+
+    return Object.keys(source).reduce(function (acc, key) {
+        var value = source[key];
+
+        if (has.call(acc, key)) {
+            acc[key] = merge(acc[key], value, options);
+        } else {
+            acc[key] = value;
+        }
+        return acc;
+    }, mergeTarget);
+};
+
+var assign = function assignSingleSource(target, source) {
+    return Object.keys(source).reduce(function (acc, key) {
+        acc[key] = source[key];
+        return acc;
+    }, target);
+};
+
+var decode = function (str) {
+    try {
+        return decodeURIComponent(str.replace(/\+/g, ' '));
+    } catch (e) {
+        return str;
+    }
+};
+
+var encode = function encode(str) {
+    // This code was originally written by Brian White (mscdex) for the io.js core querystring library.
+    // It has been adapted here for stricter adherence to RFC 3986
+    if (str.length === 0) {
+        return str;
+    }
+
+    var string = typeof str === 'string' ? str : String(str);
+
+    var out = '';
+    for (var i = 0; i < string.length; ++i) {
+        var c = string.charCodeAt(i);
+
+        if (
+            c === 0x2D // -
+            || c === 0x2E // .
+            || c === 0x5F // _
+            || c === 0x7E // ~
+            || (c >= 0x30 && c <= 0x39) // 0-9
+            || (c >= 0x41 && c <= 0x5A) // a-z
+            || (c >= 0x61 && c <= 0x7A) // A-Z
+        ) {
+            out += string.charAt(i);
+            continue;
+        }
+
+        if (c < 0x80) {
+            out = out + hexTable[c];
+            continue;
+        }
+
+        if (c < 0x800) {
+            out = out + (hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)]);
+            continue;
+        }
+
+        if (c < 0xD800 || c >= 0xE000) {
+            out = out + (hexTable[0xE0 | (c >> 12)] + hexTable[0x80 | ((c >> 6) & 0x3F)] + hexTable[0x80 | (c & 0x3F)]);
+            continue;
+        }
+
+        i += 1;
+        c = 0x10000 + (((c & 0x3FF) << 10) | (string.charCodeAt(i) & 0x3FF));
+        /* eslint operator-linebreak: [2, "before"] */
+        out += hexTable[0xF0 | (c >> 18)]
+            + hexTable[0x80 | ((c >> 12) & 0x3F)]
+            + hexTable[0x80 | ((c >> 6) & 0x3F)]
+            + hexTable[0x80 | (c & 0x3F)];
+    }
+
+    return out;
+};
+
+var compact = function compact(value) {
+    var queue = [{ obj: { o: value }, prop: 'o' }];
+    var refs = [];
+
+    for (var i = 0; i < queue.length; ++i) {
+        var item = queue[i];
+        var obj = item.obj[item.prop];
+
+        var keys = Object.keys(obj);
+        for (var j = 0; j < keys.length; ++j) {
+            var key = keys[j];
+            var val = obj[key];
+            if (typeof val === 'object' && val !== null && refs.indexOf(val) === -1) {
+                queue.push({ obj: obj, prop: key });
+                refs.push(val);
+            }
+        }
+    }
+
+    return compactQueue(queue);
+};
+
+var isRegExp = function isRegExp(obj) {
+    return Object.prototype.toString.call(obj) === '[object RegExp]';
+};
+
+var isBuffer = function isBuffer(obj) {
+    if (obj === null || typeof obj === 'undefined') {
+        return false;
+    }
+
+    return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj));
+};
+
+module.exports = {
+    arrayToObject: arrayToObject,
+    assign: assign,
+    compact: compact,
+    decode: decode,
+    encode: encode,
+    isBuffer: isBuffer,
+    isRegExp: isRegExp,
+    merge: merge
+};
+
+},{}]},{},[2])(2)
+});
diff --git a/node_modules/request/node_modules/qs/lib/formats.js b/node_modules/request/node_modules/qs/lib/formats.js
new file mode 100644
index 000000000..702da12e8
--- /dev/null
+++ b/node_modules/request/node_modules/qs/lib/formats.js
@@ -0,0 +1,18 @@
+'use strict';
+
+var replace = String.prototype.replace;
+var percentTwenties = /%20/g;
+
+module.exports = {
+    'default': 'RFC3986',
+    formatters: {
+        RFC1738: function (value) {
+            return replace.call(value, percentTwenties, '+');
+        },
+        RFC3986: function (value) {
+            return String(value);
+        }
+    },
+    RFC1738: 'RFC1738',
+    RFC3986: 'RFC3986'
+};
diff --git a/node_modules/request/node_modules/qs/lib/index.js b/node_modules/request/node_modules/qs/lib/index.js
new file mode 100644
index 000000000..0d6a97dcf
--- /dev/null
+++ b/node_modules/request/node_modules/qs/lib/index.js
@@ -0,0 +1,11 @@
+'use strict';
+
+var stringify = require('./stringify');
+var parse = require('./parse');
+var formats = require('./formats');
+
+module.exports = {
+    formats: formats,
+    parse: parse,
+    stringify: stringify
+};
diff --git a/node_modules/request/node_modules/qs/lib/parse.js b/node_modules/request/node_modules/qs/lib/parse.js
new file mode 100644
index 000000000..cb7127d92
--- /dev/null
+++ b/node_modules/request/node_modules/qs/lib/parse.js
@@ -0,0 +1,175 @@
+'use strict';
+
+var utils = require('./utils');
+
+var has = Object.prototype.hasOwnProperty;
+
+var defaults = {
+    allowDots: false,
+    allowPrototypes: false,
+    arrayLimit: 20,
+    decoder: utils.decode,
+    delimiter: '&',
+    depth: 5,
+    parameterLimit: 1000,
+    plainObjects: false,
+    strictNullHandling: false
+};
+
+var parseValues = function parseQueryStringValues(str, options) {
+    var obj = {};
+    var cleanStr = options.ignoreQueryPrefix ? str.replace(/^\?/, '') : str;
+    var limit = options.parameterLimit === Infinity ? undefined : options.parameterLimit;
+    var parts = cleanStr.split(options.delimiter, limit);
+
+    for (var i = 0; i < parts.length; ++i) {
+        var part = parts[i];
+
+        var bracketEqualsPos = part.indexOf(']=');
+        var pos = bracketEqualsPos === -1 ? part.indexOf('=') : bracketEqualsPos + 1;
+
+        var key, val;
+        if (pos === -1) {
+            key = options.decoder(part, defaults.decoder);
+            val = options.strictNullHandling ? null : '';
+        } else {
+            key = options.decoder(part.slice(0, pos), defaults.decoder);
+            val = options.decoder(part.slice(pos + 1), defaults.decoder);
+        }
+        if (has.call(obj, key)) {
+            obj[key] = [].concat(obj[key]).concat(val);
+        } else {
+            obj[key] = val;
+        }
+    }
+
+    return obj;
+};
+
+var parseObject = function (chain, val, options) {
+    var leaf = val;
+
+    for (var i = chain.length - 1; i >= 0; --i) {
+        var obj;
+        var root = chain[i];
+
+        if (root === '[]' && options.parseArrays) {
+            obj = [].concat(leaf);
+        } else {
+            obj = options.plainObjects ? Object.create(null) : {};
+            var cleanRoot = root.charAt(0) === '[' && root.charAt(root.length - 1) === ']' ? root.slice(1, -1) : root;
+            var index = parseInt(cleanRoot, 10);
+            if (!options.parseArrays && cleanRoot === '') {
+                obj = { 0: leaf };
+            } else if (
+                !isNaN(index)
+                && root !== cleanRoot
+                && String(index) === cleanRoot
+                && index >= 0
+                && (options.parseArrays && index <= options.arrayLimit)
+            ) {
+                obj = [];
+                obj[index] = leaf;
+            } else if (cleanRoot !== '__proto__') {
+                obj[cleanRoot] = leaf;
+            }
+        }
+
+        leaf = obj;
+    }
+
+    return leaf;
+};
+
+var parseKeys = function parseQueryStringKeys(givenKey, val, options) {
+    if (!givenKey) {
+        return;
+    }
+
+    // Transform dot notation to bracket notation
+    var key = options.allowDots ? givenKey.replace(/\.([^.[]+)/g, '[$1]') : givenKey;
+
+    // The regex chunks
+
+    var brackets = /(\[[^[\]]*])/;
+    var child = /(\[[^[\]]*])/g;
+
+    // Get the parent
+
+    var segment = brackets.exec(key);
+    var parent = segment ? key.slice(0, segment.index) : key;
+
+    // Stash the parent if it exists
+
+    var keys = [];
+    if (parent) {
+        // If we aren't using plain objects, optionally prefix keys
+        // that would overwrite object prototype properties
+        if (!options.plainObjects && has.call(Object.prototype, parent)) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+
+        keys.push(parent);
+    }
+
+    // Loop through children appending to the array until we hit depth
+
+    var i = 0;
+    while ((segment = child.exec(key)) !== null && i < options.depth) {
+        i += 1;
+        if (!options.plainObjects && has.call(Object.prototype, segment[1].slice(1, -1))) {
+            if (!options.allowPrototypes) {
+                return;
+            }
+        }
+        keys.push(segment[1]);
+    }
+
+    // If there's a remainder, just add whatever is left
+
+    if (segment) {
+        keys.push('[' + key.slice(segment.index) + ']');
+    }
+
+    return parseObject(keys, val, options);
+};
+
+module.exports = function (str, opts) {
+    var options = opts ? utils.assign({}, opts) : {};
+
+    if (options.decoder !== null && options.decoder !== undefined && typeof options.decoder !== 'function') {
+        throw new TypeError('Decoder has to be a function.');
+    }
+
+    options.ignoreQueryPrefix = options.ignoreQueryPrefix === true;
+    options.delimiter = typeof options.delimiter === 'string' || utils.isRegExp(options.delimiter) ? options.delimiter : defaults.delimiter;
+    options.depth = typeof options.depth === 'number' ? options.depth : defaults.depth;
+    options.arrayLimit = typeof options.arrayLimit === 'number' ? options.arrayLimit : defaults.arrayLimit;
+    options.parseArrays = options.parseArrays !== false;
+    options.decoder = typeof options.decoder === 'function' ? options.decoder : defaults.decoder;
+    options.allowDots = typeof options.allowDots === 'boolean' ? options.allowDots : defaults.allowDots;
+    options.plainObjects = typeof options.plainObjects === 'boolean' ? options.plainObjects : defaults.plainObjects;
+    options.allowPrototypes = typeof options.allowPrototypes === 'boolean' ? options.allowPrototypes : defaults.allowPrototypes;
+    options.parameterLimit = typeof options.parameterLimit === 'number' ? options.parameterLimit : defaults.parameterLimit;
+    options.strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : defaults.strictNullHandling;
+
+    if (str === '' || str === null || typeof str === 'undefined') {
+        return options.plainObjects ? Object.create(null) : {};
+    }
+
+    var tempObj = typeof str === 'string' ? parseValues(str, options) : str;
+    var obj = options.plainObjects ? Object.create(null) : {};
+
+    // Iterate over the keys and setup the new object
+
+    var keys = Object.keys(tempObj);
+    for (var i = 0; i < keys.length; ++i) {
+        var key = keys[i];
+        var newObj = parseKeys(key, tempObj[key], options);
+        obj = utils.merge(obj, newObj, options);
+    }
+
+    return utils.compact(obj);
+};
diff --git a/node_modules/request/node_modules/qs/lib/stringify.js b/node_modules/request/node_modules/qs/lib/stringify.js
new file mode 100644
index 000000000..12a96e658
--- /dev/null
+++ b/node_modules/request/node_modules/qs/lib/stringify.js
@@ -0,0 +1,217 @@
+'use strict';
+
+var utils = require('./utils');
+var formats = require('./formats');
+
+var arrayPrefixGenerators = {
+    brackets: function brackets(prefix) {
+        return prefix + '[]';
+    },
+    indices: function indices(prefix, key) {
+        return prefix + '[' + key + ']';
+    },
+    repeat: function repeat(prefix) {
+        return prefix;
+    }
+};
+
+var isArray = Array.isArray;
+var push = Array.prototype.push;
+var pushToArray = function (arr, valueOrArray) {
+    push.apply(arr, isArray(valueOrArray) ? valueOrArray : [valueOrArray]);
+};
+
+var toISO = Date.prototype.toISOString;
+
+var defaults = {
+    delimiter: '&',
+    encode: true,
+    encoder: utils.encode,
+    encodeValuesOnly: false,
+    serializeDate: function serializeDate(date) {
+        return toISO.call(date);
+    },
+    skipNulls: false,
+    strictNullHandling: false
+};
+
+var stringify = function stringify(
+    object,
+    prefix,
+    generateArrayPrefix,
+    strictNullHandling,
+    skipNulls,
+    encoder,
+    filter,
+    sort,
+    allowDots,
+    serializeDate,
+    formatter,
+    encodeValuesOnly
+) {
+    var obj = object;
+    if (typeof filter === 'function') {
+        obj = filter(prefix, obj);
+    } else if (obj instanceof Date) {
+        obj = serializeDate(obj);
+    }
+
+    if (obj === null) {
+        if (strictNullHandling) {
+            return encoder && !encodeValuesOnly ? encoder(prefix, defaults.encoder) : prefix;
+        }
+
+        obj = '';
+    }
+
+    if (typeof obj === 'string' || typeof obj === 'number' || typeof obj === 'boolean' || utils.isBuffer(obj)) {
+        if (encoder) {
+            var keyValue = encodeValuesOnly ? prefix : encoder(prefix, defaults.encoder);
+            return [formatter(keyValue) + '=' + formatter(encoder(obj, defaults.encoder))];
+        }
+        return [formatter(prefix) + '=' + formatter(String(obj))];
+    }
+
+    var values = [];
+
+    if (typeof obj === 'undefined') {
+        return values;
+    }
+
+    var objKeys;
+    if (isArray(filter)) {
+        objKeys = filter;
+    } else {
+        var keys = Object.keys(obj);
+        objKeys = sort ? keys.sort(sort) : keys;
+    }
+
+    for (var i = 0; i < objKeys.length; ++i) {
+        var key = objKeys[i];
+
+        if (skipNulls && obj[key] === null) {
+            continue;
+        }
+
+        if (isArray(obj)) {
+            pushToArray(values, stringify(
+                obj[key],
+                generateArrayPrefix(prefix, key),
+                generateArrayPrefix,
+                strictNullHandling,
+                skipNulls,
+                encoder,
+                filter,
+                sort,
+                allowDots,
+                serializeDate,
+                formatter,
+                encodeValuesOnly
+            ));
+        } else {
+            pushToArray(values, stringify(
+                obj[key],
+                prefix + (allowDots ? '.' + key : '[' + key + ']'),
+                generateArrayPrefix,
+                strictNullHandling,
+                skipNulls,
+                encoder,
+                filter,
+                sort,
+                allowDots,
+                serializeDate,
+                formatter,
+                encodeValuesOnly
+            ));
+        }
+    }
+
+    return values;
+};
+
+module.exports = function (object, opts) {
+    var obj = object;
+    var options = opts ? utils.assign({}, opts) : {};
+
+    if (options.encoder !== null && typeof options.encoder !== 'undefined' && typeof options.encoder !== 'function') {
+        throw new TypeError('Encoder has to be a function.');
+    }
+
+    var delimiter = typeof options.delimiter === 'undefined' ? defaults.delimiter : options.delimiter;
+    var strictNullHandling = typeof options.strictNullHandling === 'boolean' ? options.strictNullHandling : defaults.strictNullHandling;
+    var skipNulls = typeof options.skipNulls === 'boolean' ? options.skipNulls : defaults.skipNulls;
+    var encode = typeof options.encode === 'boolean' ? options.encode : defaults.encode;
+    var encoder = typeof options.encoder === 'function' ? options.encoder : defaults.encoder;
+    var sort = typeof options.sort === 'function' ? options.sort : null;
+    var allowDots = typeof options.allowDots === 'undefined' ? false : options.allowDots;
+    var serializeDate = typeof options.serializeDate === 'function' ? options.serializeDate : defaults.serializeDate;
+    var encodeValuesOnly = typeof options.encodeValuesOnly === 'boolean' ? options.encodeValuesOnly : defaults.encodeValuesOnly;
+    if (typeof options.format === 'undefined') {
+        options.format = formats['default'];
+    } else if (!Object.prototype.hasOwnProperty.call(formats.formatters, options.format)) {
+        throw new TypeError('Unknown format option provided.');
+    }
+    var formatter = formats.formatters[options.format];
+    var objKeys;
+    var filter;
+
+    if (typeof options.filter === 'function') {
+        filter = options.filter;
+        obj = filter('', obj);
+    } else if (isArray(options.filter)) {
+        filter = options.filter;
+        objKeys = filter;
+    }
+
+    var keys = [];
+
+    if (typeof obj !== 'object' || obj === null) {
+        return '';
+    }
+
+    var arrayFormat;
+    if (options.arrayFormat in arrayPrefixGenerators) {
+        arrayFormat = options.arrayFormat;
+    } else if ('indices' in options) {
+        arrayFormat = options.indices ? 'indices' : 'repeat';
+    } else {
+        arrayFormat = 'indices';
+    }
+
+    var generateArrayPrefix = arrayPrefixGenerators[arrayFormat];
+
+    if (!objKeys) {
+        objKeys = Object.keys(obj);
+    }
+
+    if (sort) {
+        objKeys.sort(sort);
+    }
+
+    for (var i = 0; i < objKeys.length; ++i) {
+        var key = objKeys[i];
+
+        if (skipNulls && obj[key] === null) {
+            continue;
+        }
+        pushToArray(keys, stringify(
+            obj[key],
+            key,
+            generateArrayPrefix,
+            strictNullHandling,
+            skipNulls,
+            encode ? encoder : null,
+            filter,
+            sort,
+            allowDots,
+            serializeDate,
+            formatter,
+            encodeValuesOnly
+        ));
+    }
+
+    var joined = keys.join(delimiter);
+    var prefix = options.addQueryPrefix === true ? '?' : '';
+
+    return joined.length > 0 ? prefix + joined : '';
+};
diff --git a/node_modules/request/node_modules/qs/lib/utils.js b/node_modules/request/node_modules/qs/lib/utils.js
new file mode 100644
index 000000000..6592e206b
--- /dev/null
+++ b/node_modules/request/node_modules/qs/lib/utils.js
@@ -0,0 +1,215 @@
+'use strict';
+
+var has = Object.prototype.hasOwnProperty;
+
+var hexTable = (function () {
+    var array = [];
+    for (var i = 0; i < 256; ++i) {
+        array.push('%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase());
+    }
+
+    return array;
+}());
+
+var compactQueue = function compactQueue(queue) {
+    var obj;
+
+    while (queue.length) {
+        var item = queue.pop();
+        obj = item.obj[item.prop];
+
+        if (Array.isArray(obj)) {
+            var compacted = [];
+
+            for (var j = 0; j < obj.length; ++j) {
+                if (typeof obj[j] !== 'undefined') {
+                    compacted.push(obj[j]);
+                }
+            }
+
+            item.obj[item.prop] = compacted;
+        }
+    }
+
+    return obj;
+};
+
+var arrayToObject = function arrayToObject(source, options) {
+    var obj = options && options.plainObjects ? Object.create(null) : {};
+    for (var i = 0; i < source.length; ++i) {
+        if (typeof source[i] !== 'undefined') {
+            obj[i] = source[i];
+        }
+    }
+
+    return obj;
+};
+
+var merge = function merge(target, source, options) {
+    if (!source) {
+        return target;
+    }
+
+    if (typeof source !== 'object') {
+        if (Array.isArray(target)) {
+            target.push(source);
+        } else if (target && typeof target === 'object') {
+            if ((options && (options.plainObjects || options.allowPrototypes)) || !has.call(Object.prototype, source)) {
+                target[source] = true;
+            }
+        } else {
+            return [target, source];
+        }
+
+        return target;
+    }
+
+    if (!target || typeof target !== 'object') {
+        return [target].concat(source);
+    }
+
+    var mergeTarget = target;
+    if (Array.isArray(target) && !Array.isArray(source)) {
+        mergeTarget = arrayToObject(target, options);
+    }
+
+    if (Array.isArray(target) && Array.isArray(source)) {
+        source.forEach(function (item, i) {
+            if (has.call(target, i)) {
+                var targetItem = target[i];
+                if (targetItem && typeof targetItem === 'object' && item && typeof item === 'object') {
+                    target[i] = merge(targetItem, item, options);
+                } else {
+                    target.push(item);
+                }
+            } else {
+                target[i] = item;
+            }
+        });
+        return target;
+    }
+
+    return Object.keys(source).reduce(function (acc, key) {
+        var value = source[key];
+
+        if (has.call(acc, key)) {
+            acc[key] = merge(acc[key], value, options);
+        } else {
+            acc[key] = value;
+        }
+        return acc;
+    }, mergeTarget);
+};
+
+var assign = function assignSingleSource(target, source) {
+    return Object.keys(source).reduce(function (acc, key) {
+        acc[key] = source[key];
+        return acc;
+    }, target);
+};
+
+var decode = function (str) {
+    try {
+        return decodeURIComponent(str.replace(/\+/g, ' '));
+    } catch (e) {
+        return str;
+    }
+};
+
+var encode = function encode(str) {
+    // This code was originally written by Brian White (mscdex) for the io.js core querystring library.
+    // It has been adapted here for stricter adherence to RFC 3986
+    if (str.length === 0) {
+        return str;
+    }
+
+    var string = typeof str === 'string' ? str : String(str);
+
+    var out = '';
+    for (var i = 0; i < string.length; ++i) {
+        var c = string.charCodeAt(i);
+
+        if (
+            c === 0x2D // -
+            || c === 0x2E // .
+            || c === 0x5F // _
+            || c === 0x7E // ~
+            || (c >= 0x30 && c <= 0x39) // 0-9
+            || (c >= 0x41 && c <= 0x5A) // a-z
+            || (c >= 0x61 && c <= 0x7A) // A-Z
+        ) {
+            out += string.charAt(i);
+            continue;
+        }
+
+        if (c < 0x80) {
+            out = out + hexTable[c];
+            continue;
+        }
+
+        if (c < 0x800) {
+            out = out + (hexTable[0xC0 | (c >> 6)] + hexTable[0x80 | (c & 0x3F)]);
+            continue;
+        }
+
+        if (c < 0xD800 || c >= 0xE000) {
+            out = out + (hexTable[0xE0 | (c >> 12)] + hexTable[0x80 | ((c >> 6) & 0x3F)] + hexTable[0x80 | (c & 0x3F)]);
+            continue;
+        }
+
+        i += 1;
+        c = 0x10000 + (((c & 0x3FF) << 10) | (string.charCodeAt(i) & 0x3FF));
+        /* eslint operator-linebreak: [2, "before"] */
+        out += hexTable[0xF0 | (c >> 18)]
+            + hexTable[0x80 | ((c >> 12) & 0x3F)]
+            + hexTable[0x80 | ((c >> 6) & 0x3F)]
+            + hexTable[0x80 | (c & 0x3F)];
+    }
+
+    return out;
+};
+
+var compact = function compact(value) {
+    var queue = [{ obj: { o: value }, prop: 'o' }];
+    var refs = [];
+
+    for (var i = 0; i < queue.length; ++i) {
+        var item = queue[i];
+        var obj = item.obj[item.prop];
+
+        var keys = Object.keys(obj);
+        for (var j = 0; j < keys.length; ++j) {
+            var key = keys[j];
+            var val = obj[key];
+            if (typeof val === 'object' && val !== null && refs.indexOf(val) === -1) {
+                queue.push({ obj: obj, prop: key });
+                refs.push(val);
+            }
+        }
+    }
+
+    return compactQueue(queue);
+};
+
+var isRegExp = function isRegExp(obj) {
+    return Object.prototype.toString.call(obj) === '[object RegExp]';
+};
+
+var isBuffer = function isBuffer(obj) {
+    if (obj === null || typeof obj === 'undefined') {
+        return false;
+    }
+
+    return !!(obj.constructor && obj.constructor.isBuffer && obj.constructor.isBuffer(obj));
+};
+
+module.exports = {
+    arrayToObject: arrayToObject,
+    assign: assign,
+    compact: compact,
+    decode: decode,
+    encode: encode,
+    isBuffer: isBuffer,
+    isRegExp: isRegExp,
+    merge: merge
+};
diff --git a/node_modules/request/node_modules/qs/package.json b/node_modules/request/node_modules/qs/package.json
new file mode 100644
index 000000000..cc651b820
--- /dev/null
+++ b/node_modules/request/node_modules/qs/package.json
@@ -0,0 +1,54 @@
+{
+    "name": "qs",
+    "description": "A querystring parser that supports nesting and arrays, with a depth limit",
+    "homepage": "https://github.com/ljharb/qs",
+    "version": "6.5.3",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/ljharb/qs.git"
+    },
+    "main": "lib/index.js",
+    "contributors": [
+        {
+            "name": "Jordan Harband",
+            "email": "ljharb@gmail.com",
+            "url": "http://ljharb.codes"
+        }
+    ],
+    "keywords": [
+        "querystring",
+        "qs"
+    ],
+    "engines": {
+        "node": ">=0.6"
+    },
+    "devDependencies": {
+        "@ljharb/eslint-config": "^20.1.0",
+        "aud": "^1.1.5",
+        "browserify": "^16.5.2",
+        "eclint": "^2.8.1",
+        "eslint": "^8.6.0",
+        "evalmd": "^0.0.17",
+        "iconv-lite": "^0.4.24",
+        "in-publish": "^2.0.1",
+        "mkdirp": "^0.5.1",
+        "nyc": "^10.3.2",
+        "qs-iconv": "^1.0.4",
+        "safe-publish-latest": "^2.0.0",
+        "safer-buffer": "^2.1.2",
+        "tape": "^5.4.0"
+    },
+    "scripts": {
+        "prepublishOnly": "safe-publish-latest && npm run dist",
+        "prepublish": "not-in-publish || npm run prepublishOnly",
+        "pretest": "npm run --silent readme && npm run --silent lint",
+        "test": "npm run --silent tests-only",
+        "tests-only": "nyc tape 'test/**/*.js'",
+        "posttest": "aud --production",
+        "readme": "evalmd README.md",
+        "postlint": "eclint check $(git ls-files | xargs find 2> /dev/null | grep -vE 'node_modules|\\.git')",
+        "lint": "eslint --ext=js,mjs .",
+        "dist": "mkdirp dist && browserify --standalone Qs lib/index.js > dist/qs.js"
+    },
+    "license": "BSD-3-Clause"
+}
diff --git a/node_modules/request/node_modules/qs/test/index.js b/node_modules/request/node_modules/qs/test/index.js
new file mode 100644
index 000000000..5e6bc8fbd
--- /dev/null
+++ b/node_modules/request/node_modules/qs/test/index.js
@@ -0,0 +1,7 @@
+'use strict';
+
+require('./parse');
+
+require('./stringify');
+
+require('./utils');
diff --git a/node_modules/request/node_modules/qs/test/parse.js b/node_modules/request/node_modules/qs/test/parse.js
new file mode 100644
index 000000000..7c1983809
--- /dev/null
+++ b/node_modules/request/node_modules/qs/test/parse.js
@@ -0,0 +1,649 @@
+'use strict';
+
+var test = require('tape');
+var qs = require('../');
+var utils = require('../lib/utils');
+var iconv = require('iconv-lite');
+var SaferBuffer = require('safer-buffer').Buffer;
+
+test('parse()', function (t) {
+    t.test('parses a simple string', function (st) {
+        st.deepEqual(qs.parse('0=foo'), { 0: 'foo' });
+        st.deepEqual(qs.parse('foo=c++'), { foo: 'c  ' });
+        st.deepEqual(qs.parse('a[>=]=23'), { a: { '>=': '23' } });
+        st.deepEqual(qs.parse('a[<=>]==23'), { a: { '<=>': '=23' } });
+        st.deepEqual(qs.parse('a[==]=23'), { a: { '==': '23' } });
+        st.deepEqual(qs.parse('foo', { strictNullHandling: true }), { foo: null });
+        st.deepEqual(qs.parse('foo'), { foo: '' });
+        st.deepEqual(qs.parse('foo='), { foo: '' });
+        st.deepEqual(qs.parse('foo=bar'), { foo: 'bar' });
+        st.deepEqual(qs.parse(' foo = bar = baz '), { ' foo ': ' bar = baz ' });
+        st.deepEqual(qs.parse('foo=bar=baz'), { foo: 'bar=baz' });
+        st.deepEqual(qs.parse('foo=bar&bar=baz'), { foo: 'bar', bar: 'baz' });
+        st.deepEqual(qs.parse('foo2=bar2&baz2='), { foo2: 'bar2', baz2: '' });
+        st.deepEqual(qs.parse('foo=bar&baz', { strictNullHandling: true }), { foo: 'bar', baz: null });
+        st.deepEqual(qs.parse('foo=bar&baz'), { foo: 'bar', baz: '' });
+        st.deepEqual(qs.parse('cht=p3&chd=t:60,40&chs=250x100&chl=Hello|World'), {
+            cht: 'p3',
+            chd: 't:60,40',
+            chs: '250x100',
+            chl: 'Hello|World'
+        });
+        st.end();
+    });
+
+    t.test('allows enabling dot notation', function (st) {
+        st.deepEqual(qs.parse('a.b=c'), { 'a.b': 'c' });
+        st.deepEqual(qs.parse('a.b=c', { allowDots: true }), { a: { b: 'c' } });
+        st.end();
+    });
+
+    t.deepEqual(qs.parse('a[b]=c'), { a: { b: 'c' } }, 'parses a single nested string');
+    t.deepEqual(qs.parse('a[b][c]=d'), { a: { b: { c: 'd' } } }, 'parses a double nested string');
+    t.deepEqual(
+        qs.parse('a[b][c][d][e][f][g][h]=i'),
+        { a: { b: { c: { d: { e: { f: { '[g][h]': 'i' } } } } } } },
+        'defaults to a depth of 5'
+    );
+
+    t.test('only parses one level when depth = 1', function (st) {
+        st.deepEqual(qs.parse('a[b][c]=d', { depth: 1 }), { a: { b: { '[c]': 'd' } } });
+        st.deepEqual(qs.parse('a[b][c][d]=e', { depth: 1 }), { a: { b: { '[c][d]': 'e' } } });
+        st.end();
+    });
+
+    t.deepEqual(qs.parse('a=b&a=c'), { a: ['b', 'c'] }, 'parses a simple array');
+
+    t.test('parses an explicit array', function (st) {
+        st.deepEqual(qs.parse('a[]=b'), { a: ['b'] });
+        st.deepEqual(qs.parse('a[]=b&a[]=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a[]=c&a[]=d'), { a: ['b', 'c', 'd'] });
+        st.end();
+    });
+
+    t.test('parses a mix of simple and explicit arrays', function (st) {
+        st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[0]=b&a=c'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a[0]=c'), { a: ['b', 'c'] });
+
+        st.deepEqual(qs.parse('a[1]=b&a=c', { arrayLimit: 20 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a=c', { arrayLimit: 0 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] });
+
+        st.deepEqual(qs.parse('a=b&a[1]=c', { arrayLimit: 20 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a[]=c', { arrayLimit: 0 }), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] });
+
+        st.end();
+    });
+
+    t.test('parses a nested array', function (st) {
+        st.deepEqual(qs.parse('a[b][]=c&a[b][]=d'), { a: { b: ['c', 'd'] } });
+        st.deepEqual(qs.parse('a[>=]=25'), { a: { '>=': '25' } });
+        st.end();
+    });
+
+    t.test('allows to specify array indices', function (st) {
+        st.deepEqual(qs.parse('a[1]=c&a[0]=b&a[2]=d'), { a: ['b', 'c', 'd'] });
+        st.deepEqual(qs.parse('a[1]=c&a[0]=b'), { a: ['b', 'c'] });
+        st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 20 }), { a: ['c'] });
+        st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 0 }), { a: { 1: 'c' } });
+        st.deepEqual(qs.parse('a[1]=c'), { a: ['c'] });
+        st.end();
+    });
+
+    t.test('limits specific array indices to arrayLimit', function (st) {
+        st.deepEqual(qs.parse('a[20]=a', { arrayLimit: 20 }), { a: ['a'] });
+        st.deepEqual(qs.parse('a[21]=a', { arrayLimit: 20 }), { a: { 21: 'a' } });
+        st.end();
+    });
+
+    t.deepEqual(qs.parse('a[12b]=c'), { a: { '12b': 'c' } }, 'supports keys that begin with a number');
+
+    t.test('supports encoded = signs', function (st) {
+        st.deepEqual(qs.parse('he%3Dllo=th%3Dere'), { 'he=llo': 'th=ere' });
+        st.end();
+    });
+
+    t.test('is ok with url encoded strings', function (st) {
+        st.deepEqual(qs.parse('a[b%20c]=d'), { a: { 'b c': 'd' } });
+        st.deepEqual(qs.parse('a[b]=c%20d'), { a: { b: 'c d' } });
+        st.end();
+    });
+
+    t.test('allows brackets in the value', function (st) {
+        st.deepEqual(qs.parse('pets=["tobi"]'), { pets: '["tobi"]' });
+        st.deepEqual(qs.parse('operators=[">=", "<="]'), { operators: '[">=", "<="]' });
+        st.end();
+    });
+
+    t.test('allows empty values', function (st) {
+        st.deepEqual(qs.parse(''), {});
+        st.deepEqual(qs.parse(null), {});
+        st.deepEqual(qs.parse(undefined), {});
+        st.end();
+    });
+
+    t.test('transforms arrays to objects', function (st) {
+        st.deepEqual(qs.parse('foo[0]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[bad]=baz&foo[0]=bar'), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar'), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo[]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar&foo[]=foo'), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } });
+        st.deepEqual(qs.parse('foo[0][a]=a&foo[0][b]=b&foo[1][a]=aa&foo[1][b]=bb'), { foo: [{ a: 'a', b: 'b' }, { a: 'aa', b: 'bb' }] });
+
+        st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: false }), { a: { 0: 'b', t: 'u' } });
+        st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: true }), { a: { 0: 'b', t: 'u', hasOwnProperty: 'c' } });
+        st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: false }), { a: { 0: 'b', x: 'y' } });
+        st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: true }), { a: { 0: 'b', hasOwnProperty: 'c', x: 'y' } });
+        st.end();
+    });
+
+    t.test('transforms arrays to objects (dot notation)', function (st) {
+        st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad.boo=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: { boo: 'baz' } } });
+        st.deepEqual(qs.parse('foo[0][0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [[{ baz: 'bar' }]], fool: { bad: 'baz' } });
+        st.deepEqual(qs.parse('foo[0].baz[0]=15&foo[0].bar=2', { allowDots: true }), { foo: [{ baz: ['15'], bar: '2' }] });
+        st.deepEqual(qs.parse('foo[0].baz[0]=15&foo[0].baz[1]=16&foo[0].bar=2', { allowDots: true }), { foo: [{ baz: ['15', '16'], bar: '2' }] });
+        st.deepEqual(qs.parse('foo.bad=baz&foo[0]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } });
+        st.deepEqual(qs.parse('foo[]=bar&foo.bad=baz', { allowDots: true }), { foo: { 0: 'bar', bad: 'baz' } });
+        st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar&foo[]=foo', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } });
+        st.deepEqual(qs.parse('foo[0].a=a&foo[0].b=b&foo[1].a=aa&foo[1].b=bb', { allowDots: true }), { foo: [{ a: 'a', b: 'b' }, { a: 'aa', b: 'bb' }] });
+        st.end();
+    });
+
+    t.test('correctly prunes undefined values when converting an array to an object', function (st) {
+        st.deepEqual(qs.parse('a[2]=b&a[99999999]=c'), { a: { 2: 'b', 99999999: 'c' } });
+        st.end();
+    });
+
+    t.test('supports malformed uri characters', function (st) {
+        st.deepEqual(qs.parse('{%:%}', { strictNullHandling: true }), { '{%:%}': null });
+        st.deepEqual(qs.parse('{%:%}='), { '{%:%}': '' });
+        st.deepEqual(qs.parse('foo=%:%}'), { foo: '%:%}' });
+        st.end();
+    });
+
+    t.test('doesn\'t produce empty keys', function (st) {
+        st.deepEqual(qs.parse('_r=1&'), { _r: '1' });
+        st.end();
+    });
+
+    t.test('cannot access Object prototype', function (st) {
+        qs.parse('constructor[prototype][bad]=bad');
+        qs.parse('bad[constructor][prototype][bad]=bad');
+        st.equal(typeof Object.prototype.bad, 'undefined');
+        st.end();
+    });
+
+    t.test('parses arrays of objects', function (st) {
+        st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] });
+        st.deepEqual(qs.parse('a[0][b]=c'), { a: [{ b: 'c' }] });
+        st.end();
+    });
+
+    t.test('allows for empty strings in arrays', function (st) {
+        st.deepEqual(qs.parse('a[]=b&a[]=&a[]=c'), { a: ['b', '', 'c'] });
+
+        st.deepEqual(
+            qs.parse('a[0]=b&a[1]&a[2]=c&a[19]=', { strictNullHandling: true, arrayLimit: 20 }),
+            { a: ['b', null, 'c', ''] },
+            'with arrayLimit 20 + array indices: null then empty string works'
+        );
+        st.deepEqual(
+            qs.parse('a[]=b&a[]&a[]=c&a[]=', { strictNullHandling: true, arrayLimit: 0 }),
+            { a: ['b', null, 'c', ''] },
+            'with arrayLimit 0 + array brackets: null then empty string works'
+        );
+
+        st.deepEqual(
+            qs.parse('a[0]=b&a[1]=&a[2]=c&a[19]', { strictNullHandling: true, arrayLimit: 20 }),
+            { a: ['b', '', 'c', null] },
+            'with arrayLimit 20 + array indices: empty string then null works'
+        );
+        st.deepEqual(
+            qs.parse('a[]=b&a[]=&a[]=c&a[]', { strictNullHandling: true, arrayLimit: 0 }),
+            { a: ['b', '', 'c', null] },
+            'with arrayLimit 0 + array brackets: empty string then null works'
+        );
+
+        st.deepEqual(
+            qs.parse('a[]=&a[]=b&a[]=c'),
+            { a: ['', 'b', 'c'] },
+            'array brackets: empty strings work'
+        );
+        st.end();
+    });
+
+    t.test('compacts sparse arrays', function (st) {
+        st.deepEqual(qs.parse('a[10]=1&a[2]=2', { arrayLimit: 20 }), { a: ['2', '1'] });
+        st.deepEqual(qs.parse('a[1][b][2][c]=1', { arrayLimit: 20 }), { a: [{ b: [{ c: '1' }] }] });
+        st.deepEqual(qs.parse('a[1][2][3][c]=1', { arrayLimit: 20 }), { a: [[[{ c: '1' }]]] });
+        st.deepEqual(qs.parse('a[1][2][3][c][1]=1', { arrayLimit: 20 }), { a: [[[{ c: ['1'] }]]] });
+        st.end();
+    });
+
+    t.test('parses semi-parsed strings', function (st) {
+        st.deepEqual(qs.parse({ 'a[b]': 'c' }), { a: { b: 'c' } });
+        st.deepEqual(qs.parse({ 'a[b]': 'c', 'a[d]': 'e' }), { a: { b: 'c', d: 'e' } });
+        st.end();
+    });
+
+    t.test('parses buffers correctly', function (st) {
+        var b = SaferBuffer.from('test');
+        st.deepEqual(qs.parse({ a: b }), { a: b });
+        st.end();
+    });
+
+    t.test('parses jquery-param strings', function (st) {
+        // readable = 'filter[0][]=int1&filter[0][]==&filter[0][]=77&filter[]=and&filter[2][]=int2&filter[2][]==&filter[2][]=8'
+        var encoded = 'filter%5B0%5D%5B%5D=int1&filter%5B0%5D%5B%5D=%3D&filter%5B0%5D%5B%5D=77&filter%5B%5D=and&filter%5B2%5D%5B%5D=int2&filter%5B2%5D%5B%5D=%3D&filter%5B2%5D%5B%5D=8';
+        var expected = { filter: [['int1', '=', '77'], 'and', ['int2', '=', '8']] };
+        st.deepEqual(qs.parse(encoded), expected);
+        st.end();
+    });
+
+    t.test('continues parsing when no parent is found', function (st) {
+        st.deepEqual(qs.parse('[]=&a=b'), { 0: '', a: 'b' });
+        st.deepEqual(qs.parse('[]&a=b', { strictNullHandling: true }), { 0: null, a: 'b' });
+        st.deepEqual(qs.parse('[foo]=bar'), { foo: 'bar' });
+        st.end();
+    });
+
+    t.test('does not error when parsing a very long array', function (st) {
+        var str = 'a[]=a';
+        while (Buffer.byteLength(str) < 128 * 1024) {
+            str = str + '&' + str;
+        }
+
+        st.doesNotThrow(function () {
+            qs.parse(str);
+        });
+
+        st.end();
+    });
+
+    t.test('should not throw when a native prototype has an enumerable property', function (st) {
+        Object.prototype.crash = '';
+        Array.prototype.crash = '';
+        st.doesNotThrow(qs.parse.bind(null, 'a=b'));
+        st.deepEqual(qs.parse('a=b'), { a: 'b' });
+        st.doesNotThrow(qs.parse.bind(null, 'a[][b]=c'));
+        st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] });
+        delete Object.prototype.crash;
+        delete Array.prototype.crash;
+        st.end();
+    });
+
+    t.test('parses a string with an alternative string delimiter', function (st) {
+        st.deepEqual(qs.parse('a=b;c=d', { delimiter: ';' }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('parses a string with an alternative RegExp delimiter', function (st) {
+        st.deepEqual(qs.parse('a=b; c=d', { delimiter: /[;,] */ }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('does not use non-splittable objects as delimiters', function (st) {
+        st.deepEqual(qs.parse('a=b&c=d', { delimiter: true }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('allows overriding parameter limit', function (st) {
+        st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: 1 }), { a: 'b' });
+        st.end();
+    });
+
+    t.test('allows setting the parameter limit to Infinity', function (st) {
+        st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: Infinity }), { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('allows overriding array limit', function (st) {
+        st.deepEqual(qs.parse('a[0]=b', { arrayLimit: -1 }), { a: { 0: 'b' } });
+        st.deepEqual(qs.parse('a[-1]=b', { arrayLimit: -1 }), { a: { '-1': 'b' } });
+        st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayLimit: 0 }), { a: { 0: 'b', 1: 'c' } });
+        st.end();
+    });
+
+    t.test('allows disabling array parsing', function (st) {
+        var indices = qs.parse('a[0]=b&a[1]=c', { parseArrays: false });
+        st.deepEqual(indices, { a: { 0: 'b', 1: 'c' } });
+        st.equal(Array.isArray(indices.a), false, 'parseArrays:false, indices case is not an array');
+
+        var emptyBrackets = qs.parse('a[]=b', { parseArrays: false });
+        st.deepEqual(emptyBrackets, { a: { 0: 'b' } });
+        st.equal(Array.isArray(emptyBrackets.a), false, 'parseArrays:false, empty brackets case is not an array');
+
+        st.end();
+    });
+
+    t.test('allows for query string prefix', function (st) {
+        st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' });
+        st.deepEqual(qs.parse('foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' });
+        st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: false }), { '?foo': 'bar' });
+        st.end();
+    });
+
+    t.test('parses an object', function (st) {
+        var input = {
+            'user[name]': { 'pop[bob]': 3 },
+            'user[email]': null
+        };
+
+        var expected = {
+            user: {
+                name: { 'pop[bob]': 3 },
+                email: null
+            }
+        };
+
+        var result = qs.parse(input);
+
+        st.deepEqual(result, expected);
+        st.end();
+    });
+
+    t.test('parses an object in dot notation', function (st) {
+        var input = {
+            'user.name': { 'pop[bob]': 3 },
+            'user.email.': null
+        };
+
+        var expected = {
+            user: {
+                name: { 'pop[bob]': 3 },
+                email: null
+            }
+        };
+
+        var result = qs.parse(input, { allowDots: true });
+
+        st.deepEqual(result, expected);
+        st.end();
+    });
+
+    t.test('parses an object and not child values', function (st) {
+        var input = {
+            'user[name]': { 'pop[bob]': { test: 3 } },
+            'user[email]': null
+        };
+
+        var expected = {
+            user: {
+                name: { 'pop[bob]': { test: 3 } },
+                email: null
+            }
+        };
+
+        var result = qs.parse(input);
+
+        st.deepEqual(result, expected);
+        st.end();
+    });
+
+    t.test('does not blow up when Buffer global is missing', function (st) {
+        var tempBuffer = global.Buffer;
+        delete global.Buffer;
+        var result = qs.parse('a=b&c=d');
+        global.Buffer = tempBuffer;
+        st.deepEqual(result, { a: 'b', c: 'd' });
+        st.end();
+    });
+
+    t.test('does not crash when parsing circular references', function (st) {
+        var a = {};
+        a.b = a;
+
+        var parsed;
+
+        st.doesNotThrow(function () {
+            parsed = qs.parse({ 'foo[bar]': 'baz', 'foo[baz]': a });
+        });
+
+        st.equal('foo' in parsed, true, 'parsed has "foo" property');
+        st.equal('bar' in parsed.foo, true);
+        st.equal('baz' in parsed.foo, true);
+        st.equal(parsed.foo.bar, 'baz');
+        st.deepEqual(parsed.foo.baz, a);
+        st.end();
+    });
+
+    t.test('does not crash when parsing deep objects', function (st) {
+        var parsed;
+        var str = 'foo';
+
+        for (var i = 0; i < 5000; i++) {
+            str += '[p]';
+        }
+
+        str += '=bar';
+
+        st.doesNotThrow(function () {
+            parsed = qs.parse(str, { depth: 5000 });
+        });
+
+        st.equal('foo' in parsed, true, 'parsed has "foo" property');
+
+        var depth = 0;
+        var ref = parsed.foo;
+        while ((ref = ref.p)) {
+            depth += 1;
+        }
+
+        st.equal(depth, 5000, 'parsed is 5000 properties deep');
+
+        st.end();
+    });
+
+    t.test('parses null objects correctly', { skip: !Object.create }, function (st) {
+        var a = Object.create(null);
+        a.b = 'c';
+
+        st.deepEqual(qs.parse(a), { b: 'c' });
+        var result = qs.parse({ a: a });
+        st.equal('a' in result, true, 'result has "a" property');
+        st.deepEqual(result.a, a);
+        st.end();
+    });
+
+    t.test('parses dates correctly', function (st) {
+        var now = new Date();
+        st.deepEqual(qs.parse({ a: now }), { a: now });
+        st.end();
+    });
+
+    t.test('parses regular expressions correctly', function (st) {
+        var re = /^test$/;
+        st.deepEqual(qs.parse({ a: re }), { a: re });
+        st.end();
+    });
+
+    t.test('does not allow overwriting prototype properties', function (st) {
+        st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: false }), {});
+        st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: false }), {});
+
+        st.deepEqual(
+            qs.parse('toString', { allowPrototypes: false }),
+            {},
+            'bare "toString" results in {}'
+        );
+
+        st.end();
+    });
+
+    t.test('can allow overwriting prototype properties', function (st) {
+        st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: true }), { a: { hasOwnProperty: 'b' } });
+        st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: true }), { hasOwnProperty: 'b' });
+
+        st.deepEqual(
+            qs.parse('toString', { allowPrototypes: true }),
+            { toString: '' },
+            'bare "toString" results in { toString: "" }'
+        );
+
+        st.end();
+    });
+
+    t.test('params starting with a closing bracket', function (st) {
+        st.deepEqual(qs.parse(']=toString'), { ']': 'toString' });
+        st.deepEqual(qs.parse(']]=toString'), { ']]': 'toString' });
+        st.deepEqual(qs.parse(']hello]=toString'), { ']hello]': 'toString' });
+        st.end();
+    });
+
+    t.test('params starting with a starting bracket', function (st) {
+        st.deepEqual(qs.parse('[=toString'), { '[': 'toString' });
+        st.deepEqual(qs.parse('[[=toString'), { '[[': 'toString' });
+        st.deepEqual(qs.parse('[hello[=toString'), { '[hello[': 'toString' });
+        st.end();
+    });
+
+    t.test('add keys to objects', function (st) {
+        st.deepEqual(
+            qs.parse('a[b]=c&a=d'),
+            { a: { b: 'c', d: true } },
+            'can add keys to objects'
+        );
+
+        st.deepEqual(
+            qs.parse('a[b]=c&a=toString'),
+            { a: { b: 'c' } },
+            'can not overwrite prototype'
+        );
+
+        st.deepEqual(
+            qs.parse('a[b]=c&a=toString', { allowPrototypes: true }),
+            { a: { b: 'c', toString: true } },
+            'can overwrite prototype with allowPrototypes true'
+        );
+
+        st.deepEqual(
+            qs.parse('a[b]=c&a=toString', { plainObjects: true }),
+            { __proto__: null, a: { __proto__: null, b: 'c', toString: true } },
+            'can overwrite prototype with plainObjects true'
+        );
+
+        st.end();
+    });
+
+    t.test('dunder proto is ignored', function (st) {
+        var payload = 'categories[__proto__]=login&categories[__proto__]&categories[length]=42';
+        var result = qs.parse(payload, { allowPrototypes: true });
+
+        st.deepEqual(
+            result,
+            {
+                categories: {
+                    length: '42'
+                }
+            },
+            'silent [[Prototype]] payload'
+        );
+
+        var plainResult = qs.parse(payload, { allowPrototypes: true, plainObjects: true });
+
+        st.deepEqual(
+            plainResult,
+            {
+                __proto__: null,
+                categories: {
+                    __proto__: null,
+                    length: '42'
+                }
+            },
+            'silent [[Prototype]] payload: plain objects'
+        );
+
+        var query = qs.parse('categories[__proto__]=cats&categories[__proto__]=dogs&categories[some][json]=toInject', { allowPrototypes: true });
+
+        st.notOk(Array.isArray(query.categories), 'is not an array');
+        st.notOk(query.categories instanceof Array, 'is not instanceof an array');
+        st.deepEqual(query.categories, { some: { json: 'toInject' } });
+        st.equal(JSON.stringify(query.categories), '{"some":{"json":"toInject"}}', 'stringifies as a non-array');
+
+        st.deepEqual(
+            qs.parse('foo[__proto__][hidden]=value&foo[bar]=stuffs', { allowPrototypes: true }),
+            {
+                foo: {
+                    bar: 'stuffs'
+                }
+            },
+            'hidden values'
+        );
+
+        st.deepEqual(
+            qs.parse('foo[__proto__][hidden]=value&foo[bar]=stuffs', { allowPrototypes: true, plainObjects: true }),
+            {
+                __proto__: null,
+                foo: {
+                    __proto__: null,
+                    bar: 'stuffs'
+                }
+            },
+            'hidden values: plain objects'
+        );
+
+        st.end();
+    });
+
+    t.test('can return null objects', { skip: !Object.create }, function (st) {
+        var expected = Object.create(null);
+        expected.a = Object.create(null);
+        expected.a.b = 'c';
+        expected.a.hasOwnProperty = 'd';
+        st.deepEqual(qs.parse('a[b]=c&a[hasOwnProperty]=d', { plainObjects: true }), expected);
+        st.deepEqual(qs.parse(null, { plainObjects: true }), Object.create(null));
+        var expectedArray = Object.create(null);
+        expectedArray.a = Object.create(null);
+        expectedArray.a[0] = 'b';
+        expectedArray.a.c = 'd';
+        st.deepEqual(qs.parse('a[]=b&a[c]=d', { plainObjects: true }), expectedArray);
+        st.end();
+    });
+
+    t.test('can parse with custom encoding', function (st) {
+        st.deepEqual(qs.parse('%8c%a7=%91%e5%8d%e3%95%7b', {
+            decoder: function (str) {
+                var reg = /%([0-9A-F]{2})/ig;
+                var result = [];
+                var parts = reg.exec(str);
+                while (parts) {
+                    result.push(parseInt(parts[1], 16));
+                    parts = reg.exec(str);
+                }
+                return String(iconv.decode(SaferBuffer.from(result), 'shift_jis'));
+            }
+        }), { 県: '大阪府' });
+        st.end();
+    });
+
+    t.test('receives the default decoder as a second argument', function (st) {
+        st.plan(1);
+        qs.parse('a', {
+            decoder: function (str, defaultDecoder) {
+                st.equal(defaultDecoder, utils.decode);
+            }
+        });
+        st.end();
+    });
+
+    t.test('throws error with wrong decoder', function (st) {
+        st['throws'](function () {
+            qs.parse({}, { decoder: 'string' });
+        }, new TypeError('Decoder has to be a function.'));
+        st.end();
+    });
+
+    t.test('does not mutate the options argument', function (st) {
+        var options = {};
+        qs.parse('a[b]=true', options);
+        st.deepEqual(options, {});
+        st.end();
+    });
+
+    t.end();
+});
diff --git a/node_modules/request/node_modules/qs/test/stringify.js b/node_modules/request/node_modules/qs/test/stringify.js
new file mode 100644
index 000000000..08f784301
--- /dev/null
+++ b/node_modules/request/node_modules/qs/test/stringify.js
@@ -0,0 +1,642 @@
+'use strict';
+
+var test = require('tape');
+var qs = require('../');
+var utils = require('../lib/utils');
+var iconv = require('iconv-lite');
+var SaferBuffer = require('safer-buffer').Buffer;
+
+test('stringify()', function (t) {
+    t.test('stringifies a querystring object', function (st) {
+        st.equal(qs.stringify({ a: 'b' }), 'a=b');
+        st.equal(qs.stringify({ a: 1 }), 'a=1');
+        st.equal(qs.stringify({ a: 1, b: 2 }), 'a=1&b=2');
+        st.equal(qs.stringify({ a: 'A_Z' }), 'a=A_Z');
+        st.equal(qs.stringify({ a: '€' }), 'a=%E2%82%AC');
+        st.equal(qs.stringify({ a: '' }), 'a=%EE%80%80');
+        st.equal(qs.stringify({ a: 'א' }), 'a=%D7%90');
+        st.equal(qs.stringify({ a: '𐐷' }), 'a=%F0%90%90%B7');
+        st.end();
+    });
+
+    t.test('stringifies falsy values', function (st) {
+        st.equal(qs.stringify(undefined), '');
+        st.equal(qs.stringify(null), '');
+        st.equal(qs.stringify(null, { strictNullHandling: true }), '');
+        st.equal(qs.stringify(false), '');
+        st.equal(qs.stringify(0), '');
+        st.end();
+    });
+
+    t.test('adds query prefix', function (st) {
+        st.equal(qs.stringify({ a: 'b' }, { addQueryPrefix: true }), '?a=b');
+        st.end();
+    });
+
+    t.test('with query prefix, outputs blank string given an empty object', function (st) {
+        st.equal(qs.stringify({}, { addQueryPrefix: true }), '');
+        st.end();
+    });
+
+    t.test('stringifies nested falsy values', function (st) {
+        st.equal(qs.stringify({ a: { b: { c: null } } }), 'a%5Bb%5D%5Bc%5D=');
+        st.equal(qs.stringify({ a: { b: { c: null } } }, { strictNullHandling: true }), 'a%5Bb%5D%5Bc%5D');
+        st.equal(qs.stringify({ a: { b: { c: false } } }), 'a%5Bb%5D%5Bc%5D=false');
+        st.end();
+    });
+
+    t.test('stringifies a nested object', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
+        st.equal(qs.stringify({ a: { b: { c: { d: 'e' } } } }), 'a%5Bb%5D%5Bc%5D%5Bd%5D=e');
+        st.end();
+    });
+
+    t.test('stringifies a nested object with dots notation', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c' } }, { allowDots: true }), 'a.b=c');
+        st.equal(qs.stringify({ a: { b: { c: { d: 'e' } } } }, { allowDots: true }), 'a.b.c.d=e');
+        st.end();
+    });
+
+    t.test('stringifies an array value', function (st) {
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'indices' }),
+            'a%5B0%5D=b&a%5B1%5D=c&a%5B2%5D=d',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }, { arrayFormat: 'brackets' }),
+            'a%5B%5D=b&a%5B%5D=c&a%5B%5D=d',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: ['b', 'c', 'd'] }),
+            'a%5B0%5D=b&a%5B1%5D=c&a%5B2%5D=d',
+            'default => indices'
+        );
+        st.end();
+    });
+
+    t.test('omits nulls when asked', function (st) {
+        st.equal(qs.stringify({ a: 'b', c: null }, { skipNulls: true }), 'a=b');
+        st.end();
+    });
+
+    t.test('omits nested nulls when asked', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c', d: null } }, { skipNulls: true }), 'a%5Bb%5D=c');
+        st.end();
+    });
+
+    t.test('omits array indices when asked', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c', 'd'] }, { indices: false }), 'a=b&a=c&a=d');
+        st.end();
+    });
+
+    t.test('stringifies a nested array value', function (st) {
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { arrayFormat: 'indices' }), 'a%5Bb%5D%5B0%5D=c&a%5Bb%5D%5B1%5D=d');
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }, { arrayFormat: 'brackets' }), 'a%5Bb%5D%5B%5D=c&a%5Bb%5D%5B%5D=d');
+        st.equal(qs.stringify({ a: { b: ['c', 'd'] } }), 'a%5Bb%5D%5B0%5D=c&a%5Bb%5D%5B1%5D=d');
+        st.end();
+    });
+
+    t.test('stringifies a nested array value with dots notation', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encode: false, arrayFormat: 'indices' }
+            ),
+            'a.b[0]=c&a.b[1]=d',
+            'indices: stringifies with dots + indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encode: false, arrayFormat: 'brackets' }
+            ),
+            'a.b[]=c&a.b[]=d',
+            'brackets: stringifies with dots + brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: ['c', 'd'] } },
+                { allowDots: true, encode: false }
+            ),
+            'a.b[0]=c&a.b[1]=d',
+            'default: stringifies with dots + indices'
+        );
+        st.end();
+    });
+
+    t.test('stringifies an object inside an array', function (st) {
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }, { arrayFormat: 'indices' }),
+            'a%5B0%5D%5Bb%5D=c',
+            'indices => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }, { arrayFormat: 'brackets' }),
+            'a%5B%5D%5Bb%5D=c',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 'c' }] }),
+            'a%5B0%5D%5Bb%5D=c',
+            'default => indices'
+        );
+
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }, { arrayFormat: 'indices' }),
+            'a%5B0%5D%5Bb%5D%5Bc%5D%5B0%5D=1',
+            'indices => indices'
+        );
+
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }, { arrayFormat: 'brackets' }),
+            'a%5B%5D%5Bb%5D%5Bc%5D%5B%5D=1',
+            'brackets => brackets'
+        );
+
+        st.equal(
+            qs.stringify({ a: [{ b: { c: [1] } }] }),
+            'a%5B0%5D%5Bb%5D%5Bc%5D%5B0%5D=1',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('stringifies an array with mixed objects and primitives', function (st) {
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encode: false, arrayFormat: 'indices' }),
+            'a[0][b]=1&a[1]=2&a[2]=3',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encode: false, arrayFormat: 'brackets' }),
+            'a[][b]=1&a[]=2&a[]=3',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify({ a: [{ b: 1 }, 2, 3] }, { encode: false }),
+            'a[0][b]=1&a[1]=2&a[2]=3',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('stringifies an object inside an array with dots notation', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: [{ b: 'c' }] },
+                { allowDots: true, encode: false, arrayFormat: 'indices' }
+            ),
+            'a[0].b=c',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: 'c' }] },
+                { allowDots: true, encode: false, arrayFormat: 'brackets' }
+            ),
+            'a[].b=c',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: 'c' }] },
+                { allowDots: true, encode: false }
+            ),
+            'a[0].b=c',
+            'default => indices'
+        );
+
+        st.equal(
+            qs.stringify(
+                { a: [{ b: { c: [1] } }] },
+                { allowDots: true, encode: false, arrayFormat: 'indices' }
+            ),
+            'a[0].b.c[0]=1',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: { c: [1] } }] },
+                { allowDots: true, encode: false, arrayFormat: 'brackets' }
+            ),
+            'a[].b.c[]=1',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: [{ b: { c: [1] } }] },
+                { allowDots: true, encode: false }
+            ),
+            'a[0].b.c[0]=1',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('does not omit object keys when indices = false', function (st) {
+        st.equal(qs.stringify({ a: [{ b: 'c' }] }, { indices: false }), 'a%5Bb%5D=c');
+        st.end();
+    });
+
+    t.test('uses indices notation for arrays when indices=true', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { indices: true }), 'a%5B0%5D=b&a%5B1%5D=c');
+        st.end();
+    });
+
+    t.test('uses indices notation for arrays when no arrayFormat is specified', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }), 'a%5B0%5D=b&a%5B1%5D=c');
+        st.end();
+    });
+
+    t.test('uses indices notation for arrays when no arrayFormat=indices', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'indices' }), 'a%5B0%5D=b&a%5B1%5D=c');
+        st.end();
+    });
+
+    t.test('uses repeat notation for arrays when no arrayFormat=repeat', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'repeat' }), 'a=b&a=c');
+        st.end();
+    });
+
+    t.test('uses brackets notation for arrays when no arrayFormat=brackets', function (st) {
+        st.equal(qs.stringify({ a: ['b', 'c'] }, { arrayFormat: 'brackets' }), 'a%5B%5D=b&a%5B%5D=c');
+        st.end();
+    });
+
+    t.test('stringifies a complicated object', function (st) {
+        st.equal(qs.stringify({ a: { b: 'c', d: 'e' } }), 'a%5Bb%5D=c&a%5Bd%5D=e');
+        st.end();
+    });
+
+    t.test('stringifies an empty value', function (st) {
+        st.equal(qs.stringify({ a: '' }), 'a=');
+        st.equal(qs.stringify({ a: null }, { strictNullHandling: true }), 'a');
+
+        st.equal(qs.stringify({ a: '', b: '' }), 'a=&b=');
+        st.equal(qs.stringify({ a: null, b: '' }, { strictNullHandling: true }), 'a&b=');
+
+        st.equal(qs.stringify({ a: { b: '' } }), 'a%5Bb%5D=');
+        st.equal(qs.stringify({ a: { b: null } }, { strictNullHandling: true }), 'a%5Bb%5D');
+        st.equal(qs.stringify({ a: { b: null } }, { strictNullHandling: false }), 'a%5Bb%5D=');
+
+        st.end();
+    });
+
+    t.test('stringifies a null object', { skip: !Object.create }, function (st) {
+        var obj = Object.create(null);
+        obj.a = 'b';
+        st.equal(qs.stringify(obj), 'a=b');
+        st.end();
+    });
+
+    t.test('returns an empty string for invalid input', function (st) {
+        st.equal(qs.stringify(undefined), '');
+        st.equal(qs.stringify(false), '');
+        st.equal(qs.stringify(null), '');
+        st.equal(qs.stringify(''), '');
+        st.end();
+    });
+
+    t.test('stringifies an object with a null object as a child', { skip: !Object.create }, function (st) {
+        var obj = { a: Object.create(null) };
+
+        obj.a.b = 'c';
+        st.equal(qs.stringify(obj), 'a%5Bb%5D=c');
+        st.end();
+    });
+
+    t.test('drops keys with a value of undefined', function (st) {
+        st.equal(qs.stringify({ a: undefined }), '');
+
+        st.equal(qs.stringify({ a: { b: undefined, c: null } }, { strictNullHandling: true }), 'a%5Bc%5D');
+        st.equal(qs.stringify({ a: { b: undefined, c: null } }, { strictNullHandling: false }), 'a%5Bc%5D=');
+        st.equal(qs.stringify({ a: { b: undefined, c: '' } }), 'a%5Bc%5D=');
+        st.end();
+    });
+
+    t.test('url encodes values', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
+        st.end();
+    });
+
+    t.test('stringifies a date', function (st) {
+        var now = new Date();
+        var str = 'a=' + encodeURIComponent(now.toISOString());
+        st.equal(qs.stringify({ a: now }), str);
+        st.end();
+    });
+
+    t.test('stringifies the weird object from qs', function (st) {
+        st.equal(qs.stringify({ 'my weird field': '~q1!2"\'w$5&7/z8)?' }), 'my%20weird%20field=~q1%212%22%27w%245%267%2Fz8%29%3F');
+        st.end();
+    });
+
+    t.test('skips properties that are part of the object prototype', function (st) {
+        Object.prototype.crash = 'test';
+        st.equal(qs.stringify({ a: 'b' }), 'a=b');
+        st.equal(qs.stringify({ a: { b: 'c' } }), 'a%5Bb%5D=c');
+        delete Object.prototype.crash;
+        st.end();
+    });
+
+    t.test('stringifies boolean values', function (st) {
+        st.equal(qs.stringify({ a: true }), 'a=true');
+        st.equal(qs.stringify({ a: { b: true } }), 'a%5Bb%5D=true');
+        st.equal(qs.stringify({ b: false }), 'b=false');
+        st.equal(qs.stringify({ b: { c: false } }), 'b%5Bc%5D=false');
+        st.end();
+    });
+
+    t.test('stringifies buffer values', function (st) {
+        st.equal(qs.stringify({ a: SaferBuffer.from('test') }), 'a=test');
+        st.equal(qs.stringify({ a: { b: SaferBuffer.from('test') } }), 'a%5Bb%5D=test');
+        st.end();
+    });
+
+    t.test('stringifies an object using an alternative delimiter', function (st) {
+        st.equal(qs.stringify({ a: 'b', c: 'd' }, { delimiter: ';' }), 'a=b;c=d');
+        st.end();
+    });
+
+    t.test('doesn\'t blow up when Buffer global is missing', function (st) {
+        var tempBuffer = global.Buffer;
+        delete global.Buffer;
+        var result = qs.stringify({ a: 'b', c: 'd' });
+        global.Buffer = tempBuffer;
+        st.equal(result, 'a=b&c=d');
+        st.end();
+    });
+
+    t.test('selects properties when filter=array', function (st) {
+        st.equal(qs.stringify({ a: 'b' }, { filter: ['a'] }), 'a=b');
+        st.equal(qs.stringify({ a: 1 }, { filter: [] }), '');
+
+        st.equal(
+            qs.stringify(
+                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
+                { filter: ['a', 'b', 0, 2], arrayFormat: 'indices' }
+            ),
+            'a%5Bb%5D%5B0%5D=1&a%5Bb%5D%5B2%5D=3',
+            'indices => indices'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
+                { filter: ['a', 'b', 0, 2], arrayFormat: 'brackets' }
+            ),
+            'a%5Bb%5D%5B%5D=1&a%5Bb%5D%5B%5D=3',
+            'brackets => brackets'
+        );
+        st.equal(
+            qs.stringify(
+                { a: { b: [1, 2, 3, 4], c: 'd' }, c: 'f' },
+                { filter: ['a', 'b', 0, 2] }
+            ),
+            'a%5Bb%5D%5B0%5D=1&a%5Bb%5D%5B2%5D=3',
+            'default => indices'
+        );
+
+        st.end();
+    });
+
+    t.test('supports custom representations when filter=function', function (st) {
+        var calls = 0;
+        var obj = { a: 'b', c: 'd', e: { f: new Date(1257894000000) } };
+        var filterFunc = function (prefix, value) {
+            calls += 1;
+            if (calls === 1) {
+                st.equal(prefix, '', 'prefix is empty');
+                st.equal(value, obj);
+            } else if (prefix === 'c') {
+                return void 0;
+            } else if (value instanceof Date) {
+                st.equal(prefix, 'e[f]');
+                return value.getTime();
+            }
+            return value;
+        };
+
+        st.equal(qs.stringify(obj, { filter: filterFunc }), 'a=b&e%5Bf%5D=1257894000000');
+        st.equal(calls, 5);
+        st.end();
+    });
+
+    t.test('can disable uri encoding', function (st) {
+        st.equal(qs.stringify({ a: 'b' }, { encode: false }), 'a=b');
+        st.equal(qs.stringify({ a: { b: 'c' } }, { encode: false }), 'a[b]=c');
+        st.equal(qs.stringify({ a: 'b', c: null }, { strictNullHandling: true, encode: false }), 'a=b&c');
+        st.end();
+    });
+
+    t.test('can sort the keys', function (st) {
+        var sort = function (a, b) {
+            return a.localeCompare(b);
+        };
+        st.equal(qs.stringify({ a: 'c', z: 'y', b: 'f' }, { sort: sort }), 'a=c&b=f&z=y');
+        st.equal(qs.stringify({ a: 'c', z: { j: 'a', i: 'b' }, b: 'f' }, { sort: sort }), 'a=c&b=f&z%5Bi%5D=b&z%5Bj%5D=a');
+        st.end();
+    });
+
+    t.test('can sort the keys at depth 3 or more too', function (st) {
+        var sort = function (a, b) {
+            return a.localeCompare(b);
+        };
+        st.equal(
+            qs.stringify(
+                { a: 'a', z: { zj: { zjb: 'zjb', zja: 'zja' }, zi: { zib: 'zib', zia: 'zia' } }, b: 'b' },
+                { sort: sort, encode: false }
+            ),
+            'a=a&b=b&z[zi][zia]=zia&z[zi][zib]=zib&z[zj][zja]=zja&z[zj][zjb]=zjb'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'a', z: { zj: { zjb: 'zjb', zja: 'zja' }, zi: { zib: 'zib', zia: 'zia' } }, b: 'b' },
+                { sort: null, encode: false }
+            ),
+            'a=a&z[zj][zjb]=zjb&z[zj][zja]=zja&z[zi][zib]=zib&z[zi][zia]=zia&b=b'
+        );
+        st.end();
+    });
+
+    t.test('can stringify with custom encoding', function (st) {
+        st.equal(qs.stringify({ 県: '大阪府', '': '' }, {
+            encoder: function (str) {
+                if (str.length === 0) {
+                    return '';
+                }
+                var buf = iconv.encode(str, 'shiftjis');
+                var result = [];
+                for (var i = 0; i < buf.length; ++i) {
+                    result.push(buf.readUInt8(i).toString(16));
+                }
+                return '%' + result.join('%');
+            }
+        }), '%8c%a7=%91%e5%8d%e3%95%7b&=');
+        st.end();
+    });
+
+    t.test('receives the default encoder as a second argument', function (st) {
+        st.plan(2);
+        qs.stringify({ a: 1 }, {
+            encoder: function (str, defaultEncoder) {
+                st.equal(defaultEncoder, utils.encode);
+            }
+        });
+        st.end();
+    });
+
+    t.test('throws error with wrong encoder', function (st) {
+        st['throws'](function () {
+            qs.stringify({}, { encoder: 'string' });
+        }, new TypeError('Encoder has to be a function.'));
+        st.end();
+    });
+
+    t.test('can use custom encoder for a buffer object', { skip: typeof Buffer === 'undefined' }, function (st) {
+        st.equal(qs.stringify({ a: SaferBuffer.from([1]) }, {
+            encoder: function (buffer) {
+                if (typeof buffer === 'string') {
+                    return buffer;
+                }
+                return String.fromCharCode(buffer.readUInt8(0) + 97);
+            }
+        }), 'a=b');
+
+        st.equal(qs.stringify({ a: SaferBuffer.from('a b') }, {
+            encoder: function (buffer) {
+                return buffer;
+            }
+        }), 'a=a b');
+        st.end();
+    });
+
+    t.test('serializeDate option', function (st) {
+        var date = new Date();
+        st.equal(
+            qs.stringify({ a: date }),
+            'a=' + date.toISOString().replace(/:/g, '%3A'),
+            'default is toISOString'
+        );
+
+        var mutatedDate = new Date();
+        mutatedDate.toISOString = function () {
+            throw new SyntaxError();
+        };
+        st['throws'](function () {
+            mutatedDate.toISOString();
+        }, SyntaxError);
+        st.equal(
+            qs.stringify({ a: mutatedDate }),
+            'a=' + Date.prototype.toISOString.call(mutatedDate).replace(/:/g, '%3A'),
+            'toISOString works even when method is not locally present'
+        );
+
+        var specificDate = new Date(6);
+        st.equal(
+            qs.stringify(
+                { a: specificDate },
+                { serializeDate: function (d) { return d.getTime() * 7; } }
+            ),
+            'a=42',
+            'custom serializeDate function called'
+        );
+
+        st.end();
+    });
+
+    t.test('RFC 1738 spaces serialization', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }, { format: qs.formats.RFC1738 }), 'a=b+c');
+        st.equal(qs.stringify({ 'a b': 'c d' }, { format: qs.formats.RFC1738 }), 'a+b=c+d');
+        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }, { format: qs.formats.RFC1738 }), 'a+b=a+b');
+        st.end();
+    });
+
+    t.test('RFC 3986 spaces serialization', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }, { format: qs.formats.RFC3986 }), 'a=b%20c');
+        st.equal(qs.stringify({ 'a b': 'c d' }, { format: qs.formats.RFC3986 }), 'a%20b=c%20d');
+        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }, { format: qs.formats.RFC3986 }), 'a%20b=a%20b');
+        st.end();
+    });
+
+    t.test('Backward compatibility to RFC 3986', function (st) {
+        st.equal(qs.stringify({ a: 'b c' }), 'a=b%20c');
+        st.equal(qs.stringify({ 'a b': SaferBuffer.from('a b') }), 'a%20b=a%20b');
+        st.end();
+    });
+
+    t.test('Edge cases and unknown formats', function (st) {
+        ['UFO1234', false, 1234, null, {}, []].forEach(
+            function (format) {
+                st['throws'](
+                    function () {
+                        qs.stringify({ a: 'b c' }, { format: format });
+                    },
+                    new TypeError('Unknown format option provided.')
+                );
+            }
+        );
+        st.end();
+    });
+
+    t.test('encodeValuesOnly', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e=f'], f: [['g'], ['h']] },
+                { encodeValuesOnly: true }
+            ),
+            'a=b&c[0]=d&c[1]=e%3Df&f[0][0]=g&f[1][0]=h'
+        );
+        st.equal(
+            qs.stringify(
+                { a: 'b', c: ['d', 'e'], f: [['g'], ['h']] }
+            ),
+            'a=b&c%5B0%5D=d&c%5B1%5D=e&f%5B0%5D%5B0%5D=g&f%5B1%5D%5B0%5D=h'
+        );
+        st.end();
+    });
+
+    t.test('encodeValuesOnly - strictNullHandling', function (st) {
+        st.equal(
+            qs.stringify(
+                { a: { b: null } },
+                { encodeValuesOnly: true, strictNullHandling: true }
+            ),
+            'a[b]'
+        );
+        st.end();
+    });
+
+    t.test('does not mutate the options argument', function (st) {
+        var options = {};
+        qs.stringify({}, options);
+        st.deepEqual(options, {});
+        st.end();
+    });
+
+    t.test('strictNullHandling works with custom filter', function (st) {
+        var filter = function (prefix, value) {
+            return value;
+        };
+
+        var options = { strictNullHandling: true, filter: filter };
+        st.equal(qs.stringify({ key: null }, options), 'key');
+        st.end();
+    });
+
+    t.test('strictNullHandling works with null serializeDate', function (st) {
+        var serializeDate = function () {
+            return null;
+        };
+        var options = { strictNullHandling: true, serializeDate: serializeDate };
+        var date = new Date();
+        st.equal(qs.stringify({ key: date }, options), 'key');
+        st.end();
+    });
+
+    t.end();
+});
diff --git a/node_modules/request/node_modules/qs/test/utils.js b/node_modules/request/node_modules/qs/test/utils.js
new file mode 100644
index 000000000..2bfe03a69
--- /dev/null
+++ b/node_modules/request/node_modules/qs/test/utils.js
@@ -0,0 +1,65 @@
+'use strict';
+
+var test = require('tape');
+var utils = require('../lib/utils');
+
+test('merge()', function (t) {
+    t.deepEqual(utils.merge(null, true), [null, true], 'merges true into null');
+
+    t.deepEqual(utils.merge(null, [42]), [null, 42], 'merges null into an array');
+
+    t.deepEqual(utils.merge({ a: 'b' }, { a: 'c' }), { a: ['b', 'c'] }, 'merges two objects with the same key');
+
+    var oneMerged = utils.merge({ foo: 'bar' }, { foo: { first: '123' } });
+    t.deepEqual(oneMerged, { foo: ['bar', { first: '123' }] }, 'merges a standalone and an object into an array');
+
+    var twoMerged = utils.merge({ foo: ['bar', { first: '123' }] }, { foo: { second: '456' } });
+    t.deepEqual(twoMerged, { foo: { 0: 'bar', 1: { first: '123' }, second: '456' } }, 'merges a standalone and two objects into an array');
+
+    var sandwiched = utils.merge({ foo: ['bar', { first: '123', second: '456' }] }, { foo: 'baz' });
+    t.deepEqual(sandwiched, { foo: ['bar', { first: '123', second: '456' }, 'baz'] }, 'merges an object sandwiched by two standalones into an array');
+
+    var nestedArrays = utils.merge({ foo: ['baz'] }, { foo: ['bar', 'xyzzy'] });
+    t.deepEqual(nestedArrays, { foo: ['baz', 'bar', 'xyzzy'] });
+
+    var noOptionsNonObjectSource = utils.merge({ foo: 'baz' }, 'bar');
+    t.deepEqual(noOptionsNonObjectSource, { foo: 'baz', bar: true });
+
+    t.test(
+        'avoids invoking array setters unnecessarily',
+        { skip: typeof Object.defineProperty !== 'function' },
+        function (st) {
+            var setCount = 0;
+            var getCount = 0;
+            var observed = [];
+            Object.defineProperty(observed, 0, {
+                get: function () {
+                    getCount += 1;
+                    return { bar: 'baz' };
+                },
+                set: function () { setCount += 1; }
+            });
+            utils.merge(observed, [null]);
+            st.equal(setCount, 0);
+            st.equal(getCount, 1);
+            observed[0] = observed[0]; // eslint-disable-line no-self-assign
+            st.equal(setCount, 1);
+            st.equal(getCount, 2);
+            st.end();
+        }
+    );
+
+    t.end();
+});
+
+test('assign()', function (t) {
+    var target = { a: 1, b: 2 };
+    var source = { b: 3, c: 4 };
+    var result = utils.assign(target, source);
+
+    t.equal(result, target, 'returns the target');
+    t.deepEqual(target, { a: 1, b: 3, c: 4 }, 'target and source are merged');
+    t.deepEqual(source, { b: 3, c: 4 }, 'source is untouched');
+
+    t.end();
+});
diff --git a/node_modules/request/package.json b/node_modules/request/package.json
new file mode 100644
index 000000000..cbb2f2ede
--- /dev/null
+++ b/node_modules/request/package.json
@@ -0,0 +1,86 @@
+{
+  "name": "request",
+  "description": "Simplified HTTP request client.",
+  "keywords": [
+    "http",
+    "simple",
+    "util",
+    "utility"
+  ],
+  "version": "2.88.2",
+  "author": "Mikeal Rogers <mikeal.rogers@gmail.com>",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/request/request.git"
+  },
+  "bugs": {
+    "url": "http://github.com/request/request/issues"
+  },
+  "license": "Apache-2.0",
+  "engines": {
+    "node": ">= 6"
+  },
+  "main": "index.js",
+  "files": [
+    "lib/",
+    "index.js",
+    "request.js"
+  ],
+  "dependencies": {
+    "aws-sign2": "~0.7.0",
+    "aws4": "^1.8.0",
+    "caseless": "~0.12.0",
+    "combined-stream": "~1.0.6",
+    "extend": "~3.0.2",
+    "forever-agent": "~0.6.1",
+    "form-data": "~2.3.2",
+    "har-validator": "~5.1.3",
+    "http-signature": "~1.2.0",
+    "is-typedarray": "~1.0.0",
+    "isstream": "~0.1.2",
+    "json-stringify-safe": "~5.0.1",
+    "mime-types": "~2.1.19",
+    "oauth-sign": "~0.9.0",
+    "performance-now": "^2.1.0",
+    "qs": "~6.5.2",
+    "safe-buffer": "^5.1.2",
+    "tough-cookie": "~2.5.0",
+    "tunnel-agent": "^0.6.0",
+    "uuid": "^3.3.2"
+  },
+  "scripts": {
+    "test": "npm run lint && npm run test-ci && npm run test-browser",
+    "test-ci": "taper tests/test-*.js",
+    "test-cov": "nyc --reporter=lcov tape tests/test-*.js",
+    "test-browser": "node tests/browser/start.js",
+    "lint": "standard"
+  },
+  "devDependencies": {
+    "bluebird": "^3.2.1",
+    "browserify": "^13.0.1",
+    "browserify-istanbul": "^2.0.0",
+    "buffer-equal": "^1.0.0",
+    "codecov": "^3.0.4",
+    "coveralls": "^3.0.2",
+    "function-bind": "^1.0.2",
+    "karma": "^3.0.0",
+    "karma-browserify": "^5.0.1",
+    "karma-cli": "^1.0.0",
+    "karma-coverage": "^1.0.0",
+    "karma-phantomjs-launcher": "^1.0.0",
+    "karma-tap": "^3.0.1",
+    "nyc": "^14.1.1",
+    "phantomjs-prebuilt": "^2.1.3",
+    "rimraf": "^2.2.8",
+    "server-destroy": "^1.0.1",
+    "standard": "^9.0.0",
+    "tape": "^4.6.0",
+    "taper": "^0.5.0"
+  },
+  "greenkeeper": {
+    "ignore": [
+      "hawk",
+      "har-validator"
+    ]
+  }
+}
diff --git a/node_modules/request/request.js b/node_modules/request/request.js
new file mode 100644
index 000000000..198b76093
--- /dev/null
+++ b/node_modules/request/request.js
@@ -0,0 +1,1553 @@
+'use strict'
+
+var http = require('http')
+var https = require('https')
+var url = require('url')
+var util = require('util')
+var stream = require('stream')
+var zlib = require('zlib')
+var aws2 = require('aws-sign2')
+var aws4 = require('aws4')
+var httpSignature = require('http-signature')
+var mime = require('mime-types')
+var caseless = require('caseless')
+var ForeverAgent = require('forever-agent')
+var FormData = require('form-data')
+var extend = require('extend')
+var isstream = require('isstream')
+var isTypedArray = require('is-typedarray').strict
+var helpers = require('./lib/helpers')
+var cookies = require('./lib/cookies')
+var getProxyFromURI = require('./lib/getProxyFromURI')
+var Querystring = require('./lib/querystring').Querystring
+var Har = require('./lib/har').Har
+var Auth = require('./lib/auth').Auth
+var OAuth = require('./lib/oauth').OAuth
+var hawk = require('./lib/hawk')
+var Multipart = require('./lib/multipart').Multipart
+var Redirect = require('./lib/redirect').Redirect
+var Tunnel = require('./lib/tunnel').Tunnel
+var now = require('performance-now')
+var Buffer = require('safe-buffer').Buffer
+
+var safeStringify = helpers.safeStringify
+var isReadStream = helpers.isReadStream
+var toBase64 = helpers.toBase64
+var defer = helpers.defer
+var copy = helpers.copy
+var version = helpers.version
+var globalCookieJar = cookies.jar()
+
+var globalPool = {}
+
+function filterForNonReserved (reserved, options) {
+  // Filter out properties that are not reserved.
+  // Reserved values are passed in at call site.
+
+  var object = {}
+  for (var i in options) {
+    var notReserved = (reserved.indexOf(i) === -1)
+    if (notReserved) {
+      object[i] = options[i]
+    }
+  }
+  return object
+}
+
+function filterOutReservedFunctions (reserved, options) {
+  // Filter out properties that are functions and are reserved.
+  // Reserved values are passed in at call site.
+
+  var object = {}
+  for (var i in options) {
+    var isReserved = !(reserved.indexOf(i) === -1)
+    var isFunction = (typeof options[i] === 'function')
+    if (!(isReserved && isFunction)) {
+      object[i] = options[i]
+    }
+  }
+  return object
+}
+
+// Return a simpler request object to allow serialization
+function requestToJSON () {
+  var self = this
+  return {
+    uri: self.uri,
+    method: self.method,
+    headers: self.headers
+  }
+}
+
+// Return a simpler response object to allow serialization
+function responseToJSON () {
+  var self = this
+  return {
+    statusCode: self.statusCode,
+    body: self.body,
+    headers: self.headers,
+    request: requestToJSON.call(self.request)
+  }
+}
+
+function Request (options) {
+  // if given the method property in options, set property explicitMethod to true
+
+  // extend the Request instance with any non-reserved properties
+  // remove any reserved functions from the options object
+  // set Request instance to be readable and writable
+  // call init
+
+  var self = this
+
+  // start with HAR, then override with additional options
+  if (options.har) {
+    self._har = new Har(self)
+    options = self._har.options(options)
+  }
+
+  stream.Stream.call(self)
+  var reserved = Object.keys(Request.prototype)
+  var nonReserved = filterForNonReserved(reserved, options)
+
+  extend(self, nonReserved)
+  options = filterOutReservedFunctions(reserved, options)
+
+  self.readable = true
+  self.writable = true
+  if (options.method) {
+    self.explicitMethod = true
+  }
+  self._qs = new Querystring(self)
+  self._auth = new Auth(self)
+  self._oauth = new OAuth(self)
+  self._multipart = new Multipart(self)
+  self._redirect = new Redirect(self)
+  self._tunnel = new Tunnel(self)
+  self.init(options)
+}
+
+util.inherits(Request, stream.Stream)
+
+// Debugging
+Request.debug = process.env.NODE_DEBUG && /\brequest\b/.test(process.env.NODE_DEBUG)
+function debug () {
+  if (Request.debug) {
+    console.error('REQUEST %s', util.format.apply(util, arguments))
+  }
+}
+Request.prototype.debug = debug
+
+Request.prototype.init = function (options) {
+  // init() contains all the code to setup the request object.
+  // the actual outgoing request is not started until start() is called
+  // this function is called from both the constructor and on redirect.
+  var self = this
+  if (!options) {
+    options = {}
+  }
+  self.headers = self.headers ? copy(self.headers) : {}
+
+  // Delete headers with value undefined since they break
+  // ClientRequest.OutgoingMessage.setHeader in node 0.12
+  for (var headerName in self.headers) {
+    if (typeof self.headers[headerName] === 'undefined') {
+      delete self.headers[headerName]
+    }
+  }
+
+  caseless.httpify(self, self.headers)
+
+  if (!self.method) {
+    self.method = options.method || 'GET'
+  }
+  if (!self.localAddress) {
+    self.localAddress = options.localAddress
+  }
+
+  self._qs.init(options)
+
+  debug(options)
+  if (!self.pool && self.pool !== false) {
+    self.pool = globalPool
+  }
+  self.dests = self.dests || []
+  self.__isRequestRequest = true
+
+  // Protect against double callback
+  if (!self._callback && self.callback) {
+    self._callback = self.callback
+    self.callback = function () {
+      if (self._callbackCalled) {
+        return // Print a warning maybe?
+      }
+      self._callbackCalled = true
+      self._callback.apply(self, arguments)
+    }
+    self.on('error', self.callback.bind())
+    self.on('complete', self.callback.bind(self, null))
+  }
+
+  // People use this property instead all the time, so support it
+  if (!self.uri && self.url) {
+    self.uri = self.url
+    delete self.url
+  }
+
+  // If there's a baseUrl, then use it as the base URL (i.e. uri must be
+  // specified as a relative path and is appended to baseUrl).
+  if (self.baseUrl) {
+    if (typeof self.baseUrl !== 'string') {
+      return self.emit('error', new Error('options.baseUrl must be a string'))
+    }
+
+    if (typeof self.uri !== 'string') {
+      return self.emit('error', new Error('options.uri must be a string when using options.baseUrl'))
+    }
+
+    if (self.uri.indexOf('//') === 0 || self.uri.indexOf('://') !== -1) {
+      return self.emit('error', new Error('options.uri must be a path when using options.baseUrl'))
+    }
+
+    // Handle all cases to make sure that there's only one slash between
+    // baseUrl and uri.
+    var baseUrlEndsWithSlash = self.baseUrl.lastIndexOf('/') === self.baseUrl.length - 1
+    var uriStartsWithSlash = self.uri.indexOf('/') === 0
+
+    if (baseUrlEndsWithSlash && uriStartsWithSlash) {
+      self.uri = self.baseUrl + self.uri.slice(1)
+    } else if (baseUrlEndsWithSlash || uriStartsWithSlash) {
+      self.uri = self.baseUrl + self.uri
+    } else if (self.uri === '') {
+      self.uri = self.baseUrl
+    } else {
+      self.uri = self.baseUrl + '/' + self.uri
+    }
+    delete self.baseUrl
+  }
+
+  // A URI is needed by this point, emit error if we haven't been able to get one
+  if (!self.uri) {
+    return self.emit('error', new Error('options.uri is a required argument'))
+  }
+
+  // If a string URI/URL was given, parse it into a URL object
+  if (typeof self.uri === 'string') {
+    self.uri = url.parse(self.uri)
+  }
+
+  // Some URL objects are not from a URL parsed string and need href added
+  if (!self.uri.href) {
+    self.uri.href = url.format(self.uri)
+  }
+
+  // DEPRECATED: Warning for users of the old Unix Sockets URL Scheme
+  if (self.uri.protocol === 'unix:') {
+    return self.emit('error', new Error('`unix://` URL scheme is no longer supported. Please use the format `http://unix:SOCKET:PATH`'))
+  }
+
+  // Support Unix Sockets
+  if (self.uri.host === 'unix') {
+    self.enableUnixSocket()
+  }
+
+  if (self.strictSSL === false) {
+    self.rejectUnauthorized = false
+  }
+
+  if (!self.uri.pathname) { self.uri.pathname = '/' }
+
+  if (!(self.uri.host || (self.uri.hostname && self.uri.port)) && !self.uri.isUnix) {
+    // Invalid URI: it may generate lot of bad errors, like 'TypeError: Cannot call method `indexOf` of undefined' in CookieJar
+    // Detect and reject it as soon as possible
+    var faultyUri = url.format(self.uri)
+    var message = 'Invalid URI "' + faultyUri + '"'
+    if (Object.keys(options).length === 0) {
+      // No option ? This can be the sign of a redirect
+      // As this is a case where the user cannot do anything (they didn't call request directly with this URL)
+      // they should be warned that it can be caused by a redirection (can save some hair)
+      message += '. This can be caused by a crappy redirection.'
+    }
+    // This error was fatal
+    self.abort()
+    return self.emit('error', new Error(message))
+  }
+
+  if (!self.hasOwnProperty('proxy')) {
+    self.proxy = getProxyFromURI(self.uri)
+  }
+
+  self.tunnel = self._tunnel.isEnabled()
+  if (self.proxy) {
+    self._tunnel.setup(options)
+  }
+
+  self._redirect.onRequest(options)
+
+  self.setHost = false
+  if (!self.hasHeader('host')) {
+    var hostHeaderName = self.originalHostHeaderName || 'host'
+    self.setHeader(hostHeaderName, self.uri.host)
+    // Drop :port suffix from Host header if known protocol.
+    if (self.uri.port) {
+      if ((self.uri.port === '80' && self.uri.protocol === 'http:') ||
+          (self.uri.port === '443' && self.uri.protocol === 'https:')) {
+        self.setHeader(hostHeaderName, self.uri.hostname)
+      }
+    }
+    self.setHost = true
+  }
+
+  self.jar(self._jar || options.jar)
+
+  if (!self.uri.port) {
+    if (self.uri.protocol === 'http:') { self.uri.port = 80 } else if (self.uri.protocol === 'https:') { self.uri.port = 443 }
+  }
+
+  if (self.proxy && !self.tunnel) {
+    self.port = self.proxy.port
+    self.host = self.proxy.hostname
+  } else {
+    self.port = self.uri.port
+    self.host = self.uri.hostname
+  }
+
+  if (options.form) {
+    self.form(options.form)
+  }
+
+  if (options.formData) {
+    var formData = options.formData
+    var requestForm = self.form()
+    var appendFormValue = function (key, value) {
+      if (value && value.hasOwnProperty('value') && value.hasOwnProperty('options')) {
+        requestForm.append(key, value.value, value.options)
+      } else {
+        requestForm.append(key, value)
+      }
+    }
+    for (var formKey in formData) {
+      if (formData.hasOwnProperty(formKey)) {
+        var formValue = formData[formKey]
+        if (formValue instanceof Array) {
+          for (var j = 0; j < formValue.length; j++) {
+            appendFormValue(formKey, formValue[j])
+          }
+        } else {
+          appendFormValue(formKey, formValue)
+        }
+      }
+    }
+  }
+
+  if (options.qs) {
+    self.qs(options.qs)
+  }
+
+  if (self.uri.path) {
+    self.path = self.uri.path
+  } else {
+    self.path = self.uri.pathname + (self.uri.search || '')
+  }
+
+  if (self.path.length === 0) {
+    self.path = '/'
+  }
+
+  // Auth must happen last in case signing is dependent on other headers
+  if (options.aws) {
+    self.aws(options.aws)
+  }
+
+  if (options.hawk) {
+    self.hawk(options.hawk)
+  }
+
+  if (options.httpSignature) {
+    self.httpSignature(options.httpSignature)
+  }
+
+  if (options.auth) {
+    if (Object.prototype.hasOwnProperty.call(options.auth, 'username')) {
+      options.auth.user = options.auth.username
+    }
+    if (Object.prototype.hasOwnProperty.call(options.auth, 'password')) {
+      options.auth.pass = options.auth.password
+    }
+
+    self.auth(
+      options.auth.user,
+      options.auth.pass,
+      options.auth.sendImmediately,
+      options.auth.bearer
+    )
+  }
+
+  if (self.gzip && !self.hasHeader('accept-encoding')) {
+    self.setHeader('accept-encoding', 'gzip, deflate')
+  }
+
+  if (self.uri.auth && !self.hasHeader('authorization')) {
+    var uriAuthPieces = self.uri.auth.split(':').map(function (item) { return self._qs.unescape(item) })
+    self.auth(uriAuthPieces[0], uriAuthPieces.slice(1).join(':'), true)
+  }
+
+  if (!self.tunnel && self.proxy && self.proxy.auth && !self.hasHeader('proxy-authorization')) {
+    var proxyAuthPieces = self.proxy.auth.split(':').map(function (item) { return self._qs.unescape(item) })
+    var authHeader = 'Basic ' + toBase64(proxyAuthPieces.join(':'))
+    self.setHeader('proxy-authorization', authHeader)
+  }
+
+  if (self.proxy && !self.tunnel) {
+    self.path = (self.uri.protocol + '//' + self.uri.host + self.path)
+  }
+
+  if (options.json) {
+    self.json(options.json)
+  }
+  if (options.multipart) {
+    self.multipart(options.multipart)
+  }
+
+  if (options.time) {
+    self.timing = true
+
+    // NOTE: elapsedTime is deprecated in favor of .timings
+    self.elapsedTime = self.elapsedTime || 0
+  }
+
+  function setContentLength () {
+    if (isTypedArray(self.body)) {
+      self.body = Buffer.from(self.body)
+    }
+
+    if (!self.hasHeader('content-length')) {
+      var length
+      if (typeof self.body === 'string') {
+        length = Buffer.byteLength(self.body)
+      } else if (Array.isArray(self.body)) {
+        length = self.body.reduce(function (a, b) { return a + b.length }, 0)
+      } else {
+        length = self.body.length
+      }
+
+      if (length) {
+        self.setHeader('content-length', length)
+      } else {
+        self.emit('error', new Error('Argument error, options.body.'))
+      }
+    }
+  }
+  if (self.body && !isstream(self.body)) {
+    setContentLength()
+  }
+
+  if (options.oauth) {
+    self.oauth(options.oauth)
+  } else if (self._oauth.params && self.hasHeader('authorization')) {
+    self.oauth(self._oauth.params)
+  }
+
+  var protocol = self.proxy && !self.tunnel ? self.proxy.protocol : self.uri.protocol
+  var defaultModules = {'http:': http, 'https:': https}
+  var httpModules = self.httpModules || {}
+
+  self.httpModule = httpModules[protocol] || defaultModules[protocol]
+
+  if (!self.httpModule) {
+    return self.emit('error', new Error('Invalid protocol: ' + protocol))
+  }
+
+  if (options.ca) {
+    self.ca = options.ca
+  }
+
+  if (!self.agent) {
+    if (options.agentOptions) {
+      self.agentOptions = options.agentOptions
+    }
+
+    if (options.agentClass) {
+      self.agentClass = options.agentClass
+    } else if (options.forever) {
+      var v = version()
+      // use ForeverAgent in node 0.10- only
+      if (v.major === 0 && v.minor <= 10) {
+        self.agentClass = protocol === 'http:' ? ForeverAgent : ForeverAgent.SSL
+      } else {
+        self.agentClass = self.httpModule.Agent
+        self.agentOptions = self.agentOptions || {}
+        self.agentOptions.keepAlive = true
+      }
+    } else {
+      self.agentClass = self.httpModule.Agent
+    }
+  }
+
+  if (self.pool === false) {
+    self.agent = false
+  } else {
+    self.agent = self.agent || self.getNewAgent()
+  }
+
+  self.on('pipe', function (src) {
+    if (self.ntick && self._started) {
+      self.emit('error', new Error('You cannot pipe to this stream after the outbound request has started.'))
+    }
+    self.src = src
+    if (isReadStream(src)) {
+      if (!self.hasHeader('content-type')) {
+        self.setHeader('content-type', mime.lookup(src.path))
+      }
+    } else {
+      if (src.headers) {
+        for (var i in src.headers) {
+          if (!self.hasHeader(i)) {
+            self.setHeader(i, src.headers[i])
+          }
+        }
+      }
+      if (self._json && !self.hasHeader('content-type')) {
+        self.setHeader('content-type', 'application/json')
+      }
+      if (src.method && !self.explicitMethod) {
+        self.method = src.method
+      }
+    }
+
+  // self.on('pipe', function () {
+  //   console.error('You have already piped to this stream. Pipeing twice is likely to break the request.')
+  // })
+  })
+
+  defer(function () {
+    if (self._aborted) {
+      return
+    }
+
+    var end = function () {
+      if (self._form) {
+        if (!self._auth.hasAuth) {
+          self._form.pipe(self)
+        } else if (self._auth.hasAuth && self._auth.sentAuth) {
+          self._form.pipe(self)
+        }
+      }
+      if (self._multipart && self._multipart.chunked) {
+        self._multipart.body.pipe(self)
+      }
+      if (self.body) {
+        if (isstream(self.body)) {
+          self.body.pipe(self)
+        } else {
+          setContentLength()
+          if (Array.isArray(self.body)) {
+            self.body.forEach(function (part) {
+              self.write(part)
+            })
+          } else {
+            self.write(self.body)
+          }
+          self.end()
+        }
+      } else if (self.requestBodyStream) {
+        console.warn('options.requestBodyStream is deprecated, please pass the request object to stream.pipe.')
+        self.requestBodyStream.pipe(self)
+      } else if (!self.src) {
+        if (self._auth.hasAuth && !self._auth.sentAuth) {
+          self.end()
+          return
+        }
+        if (self.method !== 'GET' && typeof self.method !== 'undefined') {
+          self.setHeader('content-length', 0)
+        }
+        self.end()
+      }
+    }
+
+    if (self._form && !self.hasHeader('content-length')) {
+      // Before ending the request, we had to compute the length of the whole form, asyncly
+      self.setHeader(self._form.getHeaders(), true)
+      self._form.getLength(function (err, length) {
+        if (!err && !isNaN(length)) {
+          self.setHeader('content-length', length)
+        }
+        end()
+      })
+    } else {
+      end()
+    }
+
+    self.ntick = true
+  })
+}
+
+Request.prototype.getNewAgent = function () {
+  var self = this
+  var Agent = self.agentClass
+  var options = {}
+  if (self.agentOptions) {
+    for (var i in self.agentOptions) {
+      options[i] = self.agentOptions[i]
+    }
+  }
+  if (self.ca) {
+    options.ca = self.ca
+  }
+  if (self.ciphers) {
+    options.ciphers = self.ciphers
+  }
+  if (self.secureProtocol) {
+    options.secureProtocol = self.secureProtocol
+  }
+  if (self.secureOptions) {
+    options.secureOptions = self.secureOptions
+  }
+  if (typeof self.rejectUnauthorized !== 'undefined') {
+    options.rejectUnauthorized = self.rejectUnauthorized
+  }
+
+  if (self.cert && self.key) {
+    options.key = self.key
+    options.cert = self.cert
+  }
+
+  if (self.pfx) {
+    options.pfx = self.pfx
+  }
+
+  if (self.passphrase) {
+    options.passphrase = self.passphrase
+  }
+
+  var poolKey = ''
+
+  // different types of agents are in different pools
+  if (Agent !== self.httpModule.Agent) {
+    poolKey += Agent.name
+  }
+
+  // ca option is only relevant if proxy or destination are https
+  var proxy = self.proxy
+  if (typeof proxy === 'string') {
+    proxy = url.parse(proxy)
+  }
+  var isHttps = (proxy && proxy.protocol === 'https:') || this.uri.protocol === 'https:'
+
+  if (isHttps) {
+    if (options.ca) {
+      if (poolKey) {
+        poolKey += ':'
+      }
+      poolKey += options.ca
+    }
+
+    if (typeof options.rejectUnauthorized !== 'undefined') {
+      if (poolKey) {
+        poolKey += ':'
+      }
+      poolKey += options.rejectUnauthorized
+    }
+
+    if (options.cert) {
+      if (poolKey) {
+        poolKey += ':'
+      }
+      poolKey += options.cert.toString('ascii') + options.key.toString('ascii')
+    }
+
+    if (options.pfx) {
+      if (poolKey) {
+        poolKey += ':'
+      }
+      poolKey += options.pfx.toString('ascii')
+    }
+
+    if (options.ciphers) {
+      if (poolKey) {
+        poolKey += ':'
+      }
+      poolKey += options.ciphers
+    }
+
+    if (options.secureProtocol) {
+      if (poolKey) {
+        poolKey += ':'
+      }
+      poolKey += options.secureProtocol
+    }
+
+    if (options.secureOptions) {
+      if (poolKey) {
+        poolKey += ':'
+      }
+      poolKey += options.secureOptions
+    }
+  }
+
+  if (self.pool === globalPool && !poolKey && Object.keys(options).length === 0 && self.httpModule.globalAgent) {
+    // not doing anything special.  Use the globalAgent
+    return self.httpModule.globalAgent
+  }
+
+  // we're using a stored agent.  Make sure it's protocol-specific
+  poolKey = self.uri.protocol + poolKey
+
+  // generate a new agent for this setting if none yet exists
+  if (!self.pool[poolKey]) {
+    self.pool[poolKey] = new Agent(options)
+    // properly set maxSockets on new agents
+    if (self.pool.maxSockets) {
+      self.pool[poolKey].maxSockets = self.pool.maxSockets
+    }
+  }
+
+  return self.pool[poolKey]
+}
+
+Request.prototype.start = function () {
+  // start() is called once we are ready to send the outgoing HTTP request.
+  // this is usually called on the first write(), end() or on nextTick()
+  var self = this
+
+  if (self.timing) {
+    // All timings will be relative to this request's startTime.  In order to do this,
+    // we need to capture the wall-clock start time (via Date), immediately followed
+    // by the high-resolution timer (via now()).  While these two won't be set
+    // at the _exact_ same time, they should be close enough to be able to calculate
+    // high-resolution, monotonically non-decreasing timestamps relative to startTime.
+    var startTime = new Date().getTime()
+    var startTimeNow = now()
+  }
+
+  if (self._aborted) {
+    return
+  }
+
+  self._started = true
+  self.method = self.method || 'GET'
+  self.href = self.uri.href
+
+  if (self.src && self.src.stat && self.src.stat.size && !self.hasHeader('content-length')) {
+    self.setHeader('content-length', self.src.stat.size)
+  }
+  if (self._aws) {
+    self.aws(self._aws, true)
+  }
+
+  // We have a method named auth, which is completely different from the http.request
+  // auth option.  If we don't remove it, we're gonna have a bad time.
+  var reqOptions = copy(self)
+  delete reqOptions.auth
+
+  debug('make request', self.uri.href)
+
+  // node v6.8.0 now supports a `timeout` value in `http.request()`, but we
+  // should delete it for now since we handle timeouts manually for better
+  // consistency with node versions before v6.8.0
+  delete reqOptions.timeout
+
+  try {
+    self.req = self.httpModule.request(reqOptions)
+  } catch (err) {
+    self.emit('error', err)
+    return
+  }
+
+  if (self.timing) {
+    self.startTime = startTime
+    self.startTimeNow = startTimeNow
+
+    // Timing values will all be relative to startTime (by comparing to startTimeNow
+    // so we have an accurate clock)
+    self.timings = {}
+  }
+
+  var timeout
+  if (self.timeout && !self.timeoutTimer) {
+    if (self.timeout < 0) {
+      timeout = 0
+    } else if (typeof self.timeout === 'number' && isFinite(self.timeout)) {
+      timeout = self.timeout
+    }
+  }
+
+  self.req.on('response', self.onRequestResponse.bind(self))
+  self.req.on('error', self.onRequestError.bind(self))
+  self.req.on('drain', function () {
+    self.emit('drain')
+  })
+
+  self.req.on('socket', function (socket) {
+    // `._connecting` was the old property which was made public in node v6.1.0
+    var isConnecting = socket._connecting || socket.connecting
+    if (self.timing) {
+      self.timings.socket = now() - self.startTimeNow
+
+      if (isConnecting) {
+        var onLookupTiming = function () {
+          self.timings.lookup = now() - self.startTimeNow
+        }
+
+        var onConnectTiming = function () {
+          self.timings.connect = now() - self.startTimeNow
+        }
+
+        socket.once('lookup', onLookupTiming)
+        socket.once('connect', onConnectTiming)
+
+        // clean up timing event listeners if needed on error
+        self.req.once('error', function () {
+          socket.removeListener('lookup', onLookupTiming)
+          socket.removeListener('connect', onConnectTiming)
+        })
+      }
+    }
+
+    var setReqTimeout = function () {
+      // This timeout sets the amount of time to wait *between* bytes sent
+      // from the server once connected.
+      //
+      // In particular, it's useful for erroring if the server fails to send
+      // data halfway through streaming a response.
+      self.req.setTimeout(timeout, function () {
+        if (self.req) {
+          self.abort()
+          var e = new Error('ESOCKETTIMEDOUT')
+          e.code = 'ESOCKETTIMEDOUT'
+          e.connect = false
+          self.emit('error', e)
+        }
+      })
+    }
+    if (timeout !== undefined) {
+      // Only start the connection timer if we're actually connecting a new
+      // socket, otherwise if we're already connected (because this is a
+      // keep-alive connection) do not bother. This is important since we won't
+      // get a 'connect' event for an already connected socket.
+      if (isConnecting) {
+        var onReqSockConnect = function () {
+          socket.removeListener('connect', onReqSockConnect)
+          self.clearTimeout()
+          setReqTimeout()
+        }
+
+        socket.on('connect', onReqSockConnect)
+
+        self.req.on('error', function (err) { // eslint-disable-line handle-callback-err
+          socket.removeListener('connect', onReqSockConnect)
+        })
+
+        // Set a timeout in memory - this block will throw if the server takes more
+        // than `timeout` to write the HTTP status and headers (corresponding to
+        // the on('response') event on the client). NB: this measures wall-clock
+        // time, not the time between bytes sent by the server.
+        self.timeoutTimer = setTimeout(function () {
+          socket.removeListener('connect', onReqSockConnect)
+          self.abort()
+          var e = new Error('ETIMEDOUT')
+          e.code = 'ETIMEDOUT'
+          e.connect = true
+          self.emit('error', e)
+        }, timeout)
+      } else {
+        // We're already connected
+        setReqTimeout()
+      }
+    }
+    self.emit('socket', socket)
+  })
+
+  self.emit('request', self.req)
+}
+
+Request.prototype.onRequestError = function (error) {
+  var self = this
+  if (self._aborted) {
+    return
+  }
+  if (self.req && self.req._reusedSocket && error.code === 'ECONNRESET' &&
+    self.agent.addRequestNoreuse) {
+    self.agent = { addRequest: self.agent.addRequestNoreuse.bind(self.agent) }
+    self.start()
+    self.req.end()
+    return
+  }
+  self.clearTimeout()
+  self.emit('error', error)
+}
+
+Request.prototype.onRequestResponse = function (response) {
+  var self = this
+
+  if (self.timing) {
+    self.timings.response = now() - self.startTimeNow
+  }
+
+  debug('onRequestResponse', self.uri.href, response.statusCode, response.headers)
+  response.on('end', function () {
+    if (self.timing) {
+      self.timings.end = now() - self.startTimeNow
+      response.timingStart = self.startTime
+
+      // fill in the blanks for any periods that didn't trigger, such as
+      // no lookup or connect due to keep alive
+      if (!self.timings.socket) {
+        self.timings.socket = 0
+      }
+      if (!self.timings.lookup) {
+        self.timings.lookup = self.timings.socket
+      }
+      if (!self.timings.connect) {
+        self.timings.connect = self.timings.lookup
+      }
+      if (!self.timings.response) {
+        self.timings.response = self.timings.connect
+      }
+
+      debug('elapsed time', self.timings.end)
+
+      // elapsedTime includes all redirects
+      self.elapsedTime += Math.round(self.timings.end)
+
+      // NOTE: elapsedTime is deprecated in favor of .timings
+      response.elapsedTime = self.elapsedTime
+
+      // timings is just for the final fetch
+      response.timings = self.timings
+
+      // pre-calculate phase timings as well
+      response.timingPhases = {
+        wait: self.timings.socket,
+        dns: self.timings.lookup - self.timings.socket,
+        tcp: self.timings.connect - self.timings.lookup,
+        firstByte: self.timings.response - self.timings.connect,
+        download: self.timings.end - self.timings.response,
+        total: self.timings.end
+      }
+    }
+    debug('response end', self.uri.href, response.statusCode, response.headers)
+  })
+
+  if (self._aborted) {
+    debug('aborted', self.uri.href)
+    response.resume()
+    return
+  }
+
+  self.response = response
+  response.request = self
+  response.toJSON = responseToJSON
+
+  // XXX This is different on 0.10, because SSL is strict by default
+  if (self.httpModule === https &&
+    self.strictSSL && (!response.hasOwnProperty('socket') ||
+    !response.socket.authorized)) {
+    debug('strict ssl error', self.uri.href)
+    var sslErr = response.hasOwnProperty('socket') ? response.socket.authorizationError : self.uri.href + ' does not support SSL'
+    self.emit('error', new Error('SSL Error: ' + sslErr))
+    return
+  }
+
+  // Save the original host before any redirect (if it changes, we need to
+  // remove any authorization headers).  Also remember the case of the header
+  // name because lots of broken servers expect Host instead of host and we
+  // want the caller to be able to specify this.
+  self.originalHost = self.getHeader('host')
+  if (!self.originalHostHeaderName) {
+    self.originalHostHeaderName = self.hasHeader('host')
+  }
+  if (self.setHost) {
+    self.removeHeader('host')
+  }
+  self.clearTimeout()
+
+  var targetCookieJar = (self._jar && self._jar.setCookie) ? self._jar : globalCookieJar
+  var addCookie = function (cookie) {
+    // set the cookie if it's domain in the href's domain.
+    try {
+      targetCookieJar.setCookie(cookie, self.uri.href, {ignoreError: true})
+    } catch (e) {
+      self.emit('error', e)
+    }
+  }
+
+  response.caseless = caseless(response.headers)
+
+  if (response.caseless.has('set-cookie') && (!self._disableCookies)) {
+    var headerName = response.caseless.has('set-cookie')
+    if (Array.isArray(response.headers[headerName])) {
+      response.headers[headerName].forEach(addCookie)
+    } else {
+      addCookie(response.headers[headerName])
+    }
+  }
+
+  if (self._redirect.onResponse(response)) {
+    return // Ignore the rest of the response
+  } else {
+    // Be a good stream and emit end when the response is finished.
+    // Hack to emit end on close because of a core bug that never fires end
+    response.on('close', function () {
+      if (!self._ended) {
+        self.response.emit('end')
+      }
+    })
+
+    response.once('end', function () {
+      self._ended = true
+    })
+
+    var noBody = function (code) {
+      return (
+        self.method === 'HEAD' ||
+        // Informational
+        (code >= 100 && code < 200) ||
+        // No Content
+        code === 204 ||
+        // Not Modified
+        code === 304
+      )
+    }
+
+    var responseContent
+    if (self.gzip && !noBody(response.statusCode)) {
+      var contentEncoding = response.headers['content-encoding'] || 'identity'
+      contentEncoding = contentEncoding.trim().toLowerCase()
+
+      // Be more lenient with decoding compressed responses, since (very rarely)
+      // servers send slightly invalid gzip responses that are still accepted
+      // by common browsers.
+      // Always using Z_SYNC_FLUSH is what cURL does.
+      var zlibOptions = {
+        flush: zlib.Z_SYNC_FLUSH,
+        finishFlush: zlib.Z_SYNC_FLUSH
+      }
+
+      if (contentEncoding === 'gzip') {
+        responseContent = zlib.createGunzip(zlibOptions)
+        response.pipe(responseContent)
+      } else if (contentEncoding === 'deflate') {
+        responseContent = zlib.createInflate(zlibOptions)
+        response.pipe(responseContent)
+      } else {
+        // Since previous versions didn't check for Content-Encoding header,
+        // ignore any invalid values to preserve backwards-compatibility
+        if (contentEncoding !== 'identity') {
+          debug('ignoring unrecognized Content-Encoding ' + contentEncoding)
+        }
+        responseContent = response
+      }
+    } else {
+      responseContent = response
+    }
+
+    if (self.encoding) {
+      if (self.dests.length !== 0) {
+        console.error('Ignoring encoding parameter as this stream is being piped to another stream which makes the encoding option invalid.')
+      } else {
+        responseContent.setEncoding(self.encoding)
+      }
+    }
+
+    if (self._paused) {
+      responseContent.pause()
+    }
+
+    self.responseContent = responseContent
+
+    self.emit('response', response)
+
+    self.dests.forEach(function (dest) {
+      self.pipeDest(dest)
+    })
+
+    responseContent.on('data', function (chunk) {
+      if (self.timing && !self.responseStarted) {
+        self.responseStartTime = (new Date()).getTime()
+
+        // NOTE: responseStartTime is deprecated in favor of .timings
+        response.responseStartTime = self.responseStartTime
+      }
+      self._destdata = true
+      self.emit('data', chunk)
+    })
+    responseContent.once('end', function (chunk) {
+      self.emit('end', chunk)
+    })
+    responseContent.on('error', function (error) {
+      self.emit('error', error)
+    })
+    responseContent.on('close', function () { self.emit('close') })
+
+    if (self.callback) {
+      self.readResponseBody(response)
+    } else { // if no callback
+      self.on('end', function () {
+        if (self._aborted) {
+          debug('aborted', self.uri.href)
+          return
+        }
+        self.emit('complete', response)
+      })
+    }
+  }
+  debug('finish init function', self.uri.href)
+}
+
+Request.prototype.readResponseBody = function (response) {
+  var self = this
+  debug("reading response's body")
+  var buffers = []
+  var bufferLength = 0
+  var strings = []
+
+  self.on('data', function (chunk) {
+    if (!Buffer.isBuffer(chunk)) {
+      strings.push(chunk)
+    } else if (chunk.length) {
+      bufferLength += chunk.length
+      buffers.push(chunk)
+    }
+  })
+  self.on('end', function () {
+    debug('end event', self.uri.href)
+    if (self._aborted) {
+      debug('aborted', self.uri.href)
+      // `buffer` is defined in the parent scope and used in a closure it exists for the life of the request.
+      // This can lead to leaky behavior if the user retains a reference to the request object.
+      buffers = []
+      bufferLength = 0
+      return
+    }
+
+    if (bufferLength) {
+      debug('has body', self.uri.href, bufferLength)
+      response.body = Buffer.concat(buffers, bufferLength)
+      if (self.encoding !== null) {
+        response.body = response.body.toString(self.encoding)
+      }
+      // `buffer` is defined in the parent scope and used in a closure it exists for the life of the Request.
+      // This can lead to leaky behavior if the user retains a reference to the request object.
+      buffers = []
+      bufferLength = 0
+    } else if (strings.length) {
+      // The UTF8 BOM [0xEF,0xBB,0xBF] is converted to [0xFE,0xFF] in the JS UTC16/UCS2 representation.
+      // Strip this value out when the encoding is set to 'utf8', as upstream consumers won't expect it and it breaks JSON.parse().
+      if (self.encoding === 'utf8' && strings[0].length > 0 && strings[0][0] === '\uFEFF') {
+        strings[0] = strings[0].substring(1)
+      }
+      response.body = strings.join('')
+    }
+
+    if (self._json) {
+      try {
+        response.body = JSON.parse(response.body, self._jsonReviver)
+      } catch (e) {
+        debug('invalid JSON received', self.uri.href)
+      }
+    }
+    debug('emitting complete', self.uri.href)
+    if (typeof response.body === 'undefined' && !self._json) {
+      response.body = self.encoding === null ? Buffer.alloc(0) : ''
+    }
+    self.emit('complete', response, response.body)
+  })
+}
+
+Request.prototype.abort = function () {
+  var self = this
+  self._aborted = true
+
+  if (self.req) {
+    self.req.abort()
+  } else if (self.response) {
+    self.response.destroy()
+  }
+
+  self.clearTimeout()
+  self.emit('abort')
+}
+
+Request.prototype.pipeDest = function (dest) {
+  var self = this
+  var response = self.response
+  // Called after the response is received
+  if (dest.headers && !dest.headersSent) {
+    if (response.caseless.has('content-type')) {
+      var ctname = response.caseless.has('content-type')
+      if (dest.setHeader) {
+        dest.setHeader(ctname, response.headers[ctname])
+      } else {
+        dest.headers[ctname] = response.headers[ctname]
+      }
+    }
+
+    if (response.caseless.has('content-length')) {
+      var clname = response.caseless.has('content-length')
+      if (dest.setHeader) {
+        dest.setHeader(clname, response.headers[clname])
+      } else {
+        dest.headers[clname] = response.headers[clname]
+      }
+    }
+  }
+  if (dest.setHeader && !dest.headersSent) {
+    for (var i in response.headers) {
+      // If the response content is being decoded, the Content-Encoding header
+      // of the response doesn't represent the piped content, so don't pass it.
+      if (!self.gzip || i !== 'content-encoding') {
+        dest.setHeader(i, response.headers[i])
+      }
+    }
+    dest.statusCode = response.statusCode
+  }
+  if (self.pipefilter) {
+    self.pipefilter(response, dest)
+  }
+}
+
+Request.prototype.qs = function (q, clobber) {
+  var self = this
+  var base
+  if (!clobber && self.uri.query) {
+    base = self._qs.parse(self.uri.query)
+  } else {
+    base = {}
+  }
+
+  for (var i in q) {
+    base[i] = q[i]
+  }
+
+  var qs = self._qs.stringify(base)
+
+  if (qs === '') {
+    return self
+  }
+
+  self.uri = url.parse(self.uri.href.split('?')[0] + '?' + qs)
+  self.url = self.uri
+  self.path = self.uri.path
+
+  if (self.uri.host === 'unix') {
+    self.enableUnixSocket()
+  }
+
+  return self
+}
+Request.prototype.form = function (form) {
+  var self = this
+  if (form) {
+    if (!/^application\/x-www-form-urlencoded\b/.test(self.getHeader('content-type'))) {
+      self.setHeader('content-type', 'application/x-www-form-urlencoded')
+    }
+    self.body = (typeof form === 'string')
+      ? self._qs.rfc3986(form.toString('utf8'))
+      : self._qs.stringify(form).toString('utf8')
+    return self
+  }
+  // create form-data object
+  self._form = new FormData()
+  self._form.on('error', function (err) {
+    err.message = 'form-data: ' + err.message
+    self.emit('error', err)
+    self.abort()
+  })
+  return self._form
+}
+Request.prototype.multipart = function (multipart) {
+  var self = this
+
+  self._multipart.onRequest(multipart)
+
+  if (!self._multipart.chunked) {
+    self.body = self._multipart.body
+  }
+
+  return self
+}
+Request.prototype.json = function (val) {
+  var self = this
+
+  if (!self.hasHeader('accept')) {
+    self.setHeader('accept', 'application/json')
+  }
+
+  if (typeof self.jsonReplacer === 'function') {
+    self._jsonReplacer = self.jsonReplacer
+  }
+
+  self._json = true
+  if (typeof val === 'boolean') {
+    if (self.body !== undefined) {
+      if (!/^application\/x-www-form-urlencoded\b/.test(self.getHeader('content-type'))) {
+        self.body = safeStringify(self.body, self._jsonReplacer)
+      } else {
+        self.body = self._qs.rfc3986(self.body)
+      }
+      if (!self.hasHeader('content-type')) {
+        self.setHeader('content-type', 'application/json')
+      }
+    }
+  } else {
+    self.body = safeStringify(val, self._jsonReplacer)
+    if (!self.hasHeader('content-type')) {
+      self.setHeader('content-type', 'application/json')
+    }
+  }
+
+  if (typeof self.jsonReviver === 'function') {
+    self._jsonReviver = self.jsonReviver
+  }
+
+  return self
+}
+Request.prototype.getHeader = function (name, headers) {
+  var self = this
+  var result, re, match
+  if (!headers) {
+    headers = self.headers
+  }
+  Object.keys(headers).forEach(function (key) {
+    if (key.length !== name.length) {
+      return
+    }
+    re = new RegExp(name, 'i')
+    match = key.match(re)
+    if (match) {
+      result = headers[key]
+    }
+  })
+  return result
+}
+Request.prototype.enableUnixSocket = function () {
+  // Get the socket & request paths from the URL
+  var unixParts = this.uri.path.split(':')
+  var host = unixParts[0]
+  var path = unixParts[1]
+  // Apply unix properties to request
+  this.socketPath = host
+  this.uri.pathname = path
+  this.uri.path = path
+  this.uri.host = host
+  this.uri.hostname = host
+  this.uri.isUnix = true
+}
+
+Request.prototype.auth = function (user, pass, sendImmediately, bearer) {
+  var self = this
+
+  self._auth.onRequest(user, pass, sendImmediately, bearer)
+
+  return self
+}
+Request.prototype.aws = function (opts, now) {
+  var self = this
+
+  if (!now) {
+    self._aws = opts
+    return self
+  }
+
+  if (opts.sign_version === 4 || opts.sign_version === '4') {
+    // use aws4
+    var options = {
+      host: self.uri.host,
+      path: self.uri.path,
+      method: self.method,
+      headers: self.headers,
+      body: self.body
+    }
+    if (opts.service) {
+      options.service = opts.service
+    }
+    var signRes = aws4.sign(options, {
+      accessKeyId: opts.key,
+      secretAccessKey: opts.secret,
+      sessionToken: opts.session
+    })
+    self.setHeader('authorization', signRes.headers.Authorization)
+    self.setHeader('x-amz-date', signRes.headers['X-Amz-Date'])
+    if (signRes.headers['X-Amz-Security-Token']) {
+      self.setHeader('x-amz-security-token', signRes.headers['X-Amz-Security-Token'])
+    }
+  } else {
+    // default: use aws-sign2
+    var date = new Date()
+    self.setHeader('date', date.toUTCString())
+    var auth = {
+      key: opts.key,
+      secret: opts.secret,
+      verb: self.method.toUpperCase(),
+      date: date,
+      contentType: self.getHeader('content-type') || '',
+      md5: self.getHeader('content-md5') || '',
+      amazonHeaders: aws2.canonicalizeHeaders(self.headers)
+    }
+    var path = self.uri.path
+    if (opts.bucket && path) {
+      auth.resource = '/' + opts.bucket + path
+    } else if (opts.bucket && !path) {
+      auth.resource = '/' + opts.bucket
+    } else if (!opts.bucket && path) {
+      auth.resource = path
+    } else if (!opts.bucket && !path) {
+      auth.resource = '/'
+    }
+    auth.resource = aws2.canonicalizeResource(auth.resource)
+    self.setHeader('authorization', aws2.authorization(auth))
+  }
+
+  return self
+}
+Request.prototype.httpSignature = function (opts) {
+  var self = this
+  httpSignature.signRequest({
+    getHeader: function (header) {
+      return self.getHeader(header, self.headers)
+    },
+    setHeader: function (header, value) {
+      self.setHeader(header, value)
+    },
+    method: self.method,
+    path: self.path
+  }, opts)
+  debug('httpSignature authorization', self.getHeader('authorization'))
+
+  return self
+}
+Request.prototype.hawk = function (opts) {
+  var self = this
+  self.setHeader('Authorization', hawk.header(self.uri, self.method, opts))
+}
+Request.prototype.oauth = function (_oauth) {
+  var self = this
+
+  self._oauth.onRequest(_oauth)
+
+  return self
+}
+
+Request.prototype.jar = function (jar) {
+  var self = this
+  var cookies
+
+  if (self._redirect.redirectsFollowed === 0) {
+    self.originalCookieHeader = self.getHeader('cookie')
+  }
+
+  if (!jar) {
+    // disable cookies
+    cookies = false
+    self._disableCookies = true
+  } else {
+    var targetCookieJar = jar.getCookieString ? jar : globalCookieJar
+    var urihref = self.uri.href
+    // fetch cookie in the Specified host
+    if (targetCookieJar) {
+      cookies = targetCookieJar.getCookieString(urihref)
+    }
+  }
+
+  // if need cookie and cookie is not empty
+  if (cookies && cookies.length) {
+    if (self.originalCookieHeader) {
+      // Don't overwrite existing Cookie header
+      self.setHeader('cookie', self.originalCookieHeader + '; ' + cookies)
+    } else {
+      self.setHeader('cookie', cookies)
+    }
+  }
+  self._jar = jar
+  return self
+}
+
+// Stream API
+Request.prototype.pipe = function (dest, opts) {
+  var self = this
+
+  if (self.response) {
+    if (self._destdata) {
+      self.emit('error', new Error('You cannot pipe after data has been emitted from the response.'))
+    } else if (self._ended) {
+      self.emit('error', new Error('You cannot pipe after the response has been ended.'))
+    } else {
+      stream.Stream.prototype.pipe.call(self, dest, opts)
+      self.pipeDest(dest)
+      return dest
+    }
+  } else {
+    self.dests.push(dest)
+    stream.Stream.prototype.pipe.call(self, dest, opts)
+    return dest
+  }
+}
+Request.prototype.write = function () {
+  var self = this
+  if (self._aborted) { return }
+
+  if (!self._started) {
+    self.start()
+  }
+  if (self.req) {
+    return self.req.write.apply(self.req, arguments)
+  }
+}
+Request.prototype.end = function (chunk) {
+  var self = this
+  if (self._aborted) { return }
+
+  if (chunk) {
+    self.write(chunk)
+  }
+  if (!self._started) {
+    self.start()
+  }
+  if (self.req) {
+    self.req.end()
+  }
+}
+Request.prototype.pause = function () {
+  var self = this
+  if (!self.responseContent) {
+    self._paused = true
+  } else {
+    self.responseContent.pause.apply(self.responseContent, arguments)
+  }
+}
+Request.prototype.resume = function () {
+  var self = this
+  if (!self.responseContent) {
+    self._paused = false
+  } else {
+    self.responseContent.resume.apply(self.responseContent, arguments)
+  }
+}
+Request.prototype.destroy = function () {
+  var self = this
+  this.clearTimeout()
+  if (!self._ended) {
+    self.end()
+  } else if (self.response) {
+    self.response.destroy()
+  }
+}
+
+Request.prototype.clearTimeout = function () {
+  if (this.timeoutTimer) {
+    clearTimeout(this.timeoutTimer)
+    this.timeoutTimer = null
+  }
+}
+
+Request.defaultProxyHeaderWhiteList =
+  Tunnel.defaultProxyHeaderWhiteList.slice()
+
+Request.defaultProxyHeaderExclusiveList =
+  Tunnel.defaultProxyHeaderExclusiveList.slice()
+
+// Exports
+
+Request.prototype.toJSON = requestToJSON
+module.exports = Request
diff --git a/node_modules/safe-buffer/LICENSE b/node_modules/safe-buffer/LICENSE
new file mode 100644
index 000000000..0c068ceec
--- /dev/null
+++ b/node_modules/safe-buffer/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Feross Aboukhadijeh
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/safe-buffer/README.md b/node_modules/safe-buffer/README.md
new file mode 100644
index 000000000..e9a81afd0
--- /dev/null
+++ b/node_modules/safe-buffer/README.md
@@ -0,0 +1,584 @@
+# safe-buffer [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url]
+
+[travis-image]: https://img.shields.io/travis/feross/safe-buffer/master.svg
+[travis-url]: https://travis-ci.org/feross/safe-buffer
+[npm-image]: https://img.shields.io/npm/v/safe-buffer.svg
+[npm-url]: https://npmjs.org/package/safe-buffer
+[downloads-image]: https://img.shields.io/npm/dm/safe-buffer.svg
+[downloads-url]: https://npmjs.org/package/safe-buffer
+[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+[standard-url]: https://standardjs.com
+
+#### Safer Node.js Buffer API
+
+**Use the new Node.js Buffer APIs (`Buffer.from`, `Buffer.alloc`,
+`Buffer.allocUnsafe`, `Buffer.allocUnsafeSlow`) in all versions of Node.js.**
+
+**Uses the built-in implementation when available.**
+
+## install
+
+```
+npm install safe-buffer
+```
+
+## usage
+
+The goal of this package is to provide a safe replacement for the node.js `Buffer`.
+
+It's a drop-in replacement for `Buffer`. You can use it by adding one `require` line to
+the top of your node.js modules:
+
+```js
+var Buffer = require('safe-buffer').Buffer
+
+// Existing buffer code will continue to work without issues:
+
+new Buffer('hey', 'utf8')
+new Buffer([1, 2, 3], 'utf8')
+new Buffer(obj)
+new Buffer(16) // create an uninitialized buffer (potentially unsafe)
+
+// But you can use these new explicit APIs to make clear what you want:
+
+Buffer.from('hey', 'utf8') // convert from many types to a Buffer
+Buffer.alloc(16) // create a zero-filled buffer (safe)
+Buffer.allocUnsafe(16) // create an uninitialized buffer (potentially unsafe)
+```
+
+## api
+
+### Class Method: Buffer.from(array)
+<!-- YAML
+added: v3.0.0
+-->
+
+* `array` {Array}
+
+Allocates a new `Buffer` using an `array` of octets.
+
+```js
+const buf = Buffer.from([0x62,0x75,0x66,0x66,0x65,0x72]);
+  // creates a new Buffer containing ASCII bytes
+  // ['b','u','f','f','e','r']
+```
+
+A `TypeError` will be thrown if `array` is not an `Array`.
+
+### Class Method: Buffer.from(arrayBuffer[, byteOffset[, length]])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `arrayBuffer` {ArrayBuffer} The `.buffer` property of a `TypedArray` or
+  a `new ArrayBuffer()`
+* `byteOffset` {Number} Default: `0`
+* `length` {Number} Default: `arrayBuffer.length - byteOffset`
+
+When passed a reference to the `.buffer` property of a `TypedArray` instance,
+the newly created `Buffer` will share the same allocated memory as the
+TypedArray.
+
+```js
+const arr = new Uint16Array(2);
+arr[0] = 5000;
+arr[1] = 4000;
+
+const buf = Buffer.from(arr.buffer); // shares the memory with arr;
+
+console.log(buf);
+  // Prints: <Buffer 88 13 a0 0f>
+
+// changing the TypedArray changes the Buffer also
+arr[1] = 6000;
+
+console.log(buf);
+  // Prints: <Buffer 88 13 70 17>
+```
+
+The optional `byteOffset` and `length` arguments specify a memory range within
+the `arrayBuffer` that will be shared by the `Buffer`.
+
+```js
+const ab = new ArrayBuffer(10);
+const buf = Buffer.from(ab, 0, 2);
+console.log(buf.length);
+  // Prints: 2
+```
+
+A `TypeError` will be thrown if `arrayBuffer` is not an `ArrayBuffer`.
+
+### Class Method: Buffer.from(buffer)
+<!-- YAML
+added: v3.0.0
+-->
+
+* `buffer` {Buffer}
+
+Copies the passed `buffer` data onto a new `Buffer` instance.
+
+```js
+const buf1 = Buffer.from('buffer');
+const buf2 = Buffer.from(buf1);
+
+buf1[0] = 0x61;
+console.log(buf1.toString());
+  // 'auffer'
+console.log(buf2.toString());
+  // 'buffer' (copy is not changed)
+```
+
+A `TypeError` will be thrown if `buffer` is not a `Buffer`.
+
+### Class Method: Buffer.from(str[, encoding])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `str` {String} String to encode.
+* `encoding` {String} Encoding to use, Default: `'utf8'`
+
+Creates a new `Buffer` containing the given JavaScript string `str`. If
+provided, the `encoding` parameter identifies the character encoding.
+If not provided, `encoding` defaults to `'utf8'`.
+
+```js
+const buf1 = Buffer.from('this is a tést');
+console.log(buf1.toString());
+  // prints: this is a tést
+console.log(buf1.toString('ascii'));
+  // prints: this is a tC)st
+
+const buf2 = Buffer.from('7468697320697320612074c3a97374', 'hex');
+console.log(buf2.toString());
+  // prints: this is a tést
+```
+
+A `TypeError` will be thrown if `str` is not a string.
+
+### Class Method: Buffer.alloc(size[, fill[, encoding]])
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+* `fill` {Value} Default: `undefined`
+* `encoding` {String} Default: `utf8`
+
+Allocates a new `Buffer` of `size` bytes. If `fill` is `undefined`, the
+`Buffer` will be *zero-filled*.
+
+```js
+const buf = Buffer.alloc(5);
+console.log(buf);
+  // <Buffer 00 00 00 00 00>
+```
+
+The `size` must be less than or equal to the value of
+`require('buffer').kMaxLength` (on 64-bit architectures, `kMaxLength` is
+`(2^31)-1`). Otherwise, a [`RangeError`][] is thrown. A zero-length Buffer will
+be created if a `size` less than or equal to 0 is specified.
+
+If `fill` is specified, the allocated `Buffer` will be initialized by calling
+`buf.fill(fill)`. See [`buf.fill()`][] for more information.
+
+```js
+const buf = Buffer.alloc(5, 'a');
+console.log(buf);
+  // <Buffer 61 61 61 61 61>
+```
+
+If both `fill` and `encoding` are specified, the allocated `Buffer` will be
+initialized by calling `buf.fill(fill, encoding)`. For example:
+
+```js
+const buf = Buffer.alloc(11, 'aGVsbG8gd29ybGQ=', 'base64');
+console.log(buf);
+  // <Buffer 68 65 6c 6c 6f 20 77 6f 72 6c 64>
+```
+
+Calling `Buffer.alloc(size)` can be significantly slower than the alternative
+`Buffer.allocUnsafe(size)` but ensures that the newly created `Buffer` instance
+contents will *never contain sensitive data*.
+
+A `TypeError` will be thrown if `size` is not a number.
+
+### Class Method: Buffer.allocUnsafe(size)
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+
+Allocates a new *non-zero-filled* `Buffer` of `size` bytes.  The `size` must
+be less than or equal to the value of `require('buffer').kMaxLength` (on 64-bit
+architectures, `kMaxLength` is `(2^31)-1`). Otherwise, a [`RangeError`][] is
+thrown. A zero-length Buffer will be created if a `size` less than or equal to
+0 is specified.
+
+The underlying memory for `Buffer` instances created in this way is *not
+initialized*. The contents of the newly created `Buffer` are unknown and
+*may contain sensitive data*. Use [`buf.fill(0)`][] to initialize such
+`Buffer` instances to zeroes.
+
+```js
+const buf = Buffer.allocUnsafe(5);
+console.log(buf);
+  // <Buffer 78 e0 82 02 01>
+  // (octets will be different, every time)
+buf.fill(0);
+console.log(buf);
+  // <Buffer 00 00 00 00 00>
+```
+
+A `TypeError` will be thrown if `size` is not a number.
+
+Note that the `Buffer` module pre-allocates an internal `Buffer` instance of
+size `Buffer.poolSize` that is used as a pool for the fast allocation of new
+`Buffer` instances created using `Buffer.allocUnsafe(size)` (and the deprecated
+`new Buffer(size)` constructor) only when `size` is less than or equal to
+`Buffer.poolSize >> 1` (floor of `Buffer.poolSize` divided by two). The default
+value of `Buffer.poolSize` is `8192` but can be modified.
+
+Use of this pre-allocated internal memory pool is a key difference between
+calling `Buffer.alloc(size, fill)` vs. `Buffer.allocUnsafe(size).fill(fill)`.
+Specifically, `Buffer.alloc(size, fill)` will *never* use the internal Buffer
+pool, while `Buffer.allocUnsafe(size).fill(fill)` *will* use the internal
+Buffer pool if `size` is less than or equal to half `Buffer.poolSize`. The
+difference is subtle but can be important when an application requires the
+additional performance that `Buffer.allocUnsafe(size)` provides.
+
+### Class Method: Buffer.allocUnsafeSlow(size)
+<!-- YAML
+added: v5.10.0
+-->
+
+* `size` {Number}
+
+Allocates a new *non-zero-filled* and non-pooled `Buffer` of `size` bytes.  The
+`size` must be less than or equal to the value of
+`require('buffer').kMaxLength` (on 64-bit architectures, `kMaxLength` is
+`(2^31)-1`). Otherwise, a [`RangeError`][] is thrown. A zero-length Buffer will
+be created if a `size` less than or equal to 0 is specified.
+
+The underlying memory for `Buffer` instances created in this way is *not
+initialized*. The contents of the newly created `Buffer` are unknown and
+*may contain sensitive data*. Use [`buf.fill(0)`][] to initialize such
+`Buffer` instances to zeroes.
+
+When using `Buffer.allocUnsafe()` to allocate new `Buffer` instances,
+allocations under 4KB are, by default, sliced from a single pre-allocated
+`Buffer`. This allows applications to avoid the garbage collection overhead of
+creating many individually allocated Buffers. This approach improves both
+performance and memory usage by eliminating the need to track and cleanup as
+many `Persistent` objects.
+
+However, in the case where a developer may need to retain a small chunk of
+memory from a pool for an indeterminate amount of time, it may be appropriate
+to create an un-pooled Buffer instance using `Buffer.allocUnsafeSlow()` then
+copy out the relevant bits.
+
+```js
+// need to keep around a few small chunks of memory
+const store = [];
+
+socket.on('readable', () => {
+  const data = socket.read();
+  // allocate for retained data
+  const sb = Buffer.allocUnsafeSlow(10);
+  // copy the data into the new allocation
+  data.copy(sb, 0, 0, 10);
+  store.push(sb);
+});
+```
+
+Use of `Buffer.allocUnsafeSlow()` should be used only as a last resort *after*
+a developer has observed undue memory retention in their applications.
+
+A `TypeError` will be thrown if `size` is not a number.
+
+### All the Rest
+
+The rest of the `Buffer` API is exactly the same as in node.js.
+[See the docs](https://nodejs.org/api/buffer.html).
+
+
+## Related links
+
+- [Node.js issue: Buffer(number) is unsafe](https://github.com/nodejs/node/issues/4660)
+- [Node.js Enhancement Proposal: Buffer.from/Buffer.alloc/Buffer.zalloc/Buffer() soft-deprecate](https://github.com/nodejs/node-eps/pull/4)
+
+## Why is `Buffer` unsafe?
+
+Today, the node.js `Buffer` constructor is overloaded to handle many different argument
+types like `String`, `Array`, `Object`, `TypedArrayView` (`Uint8Array`, etc.),
+`ArrayBuffer`, and also `Number`.
+
+The API is optimized for convenience: you can throw any type at it, and it will try to do
+what you want.
+
+Because the Buffer constructor is so powerful, you often see code like this:
+
+```js
+// Convert UTF-8 strings to hex
+function toHex (str) {
+  return new Buffer(str).toString('hex')
+}
+```
+
+***But what happens if `toHex` is called with a `Number` argument?***
+
+### Remote Memory Disclosure
+
+If an attacker can make your program call the `Buffer` constructor with a `Number`
+argument, then they can make it allocate uninitialized memory from the node.js process.
+This could potentially disclose TLS private keys, user data, or database passwords.
+
+When the `Buffer` constructor is passed a `Number` argument, it returns an
+**UNINITIALIZED** block of memory of the specified `size`. When you create a `Buffer` like
+this, you **MUST** overwrite the contents before returning it to the user.
+
+From the [node.js docs](https://nodejs.org/api/buffer.html#buffer_new_buffer_size):
+
+> `new Buffer(size)`
+>
+> - `size` Number
+>
+> The underlying memory for `Buffer` instances created in this way is not initialized.
+> **The contents of a newly created `Buffer` are unknown and could contain sensitive
+> data.** Use `buf.fill(0)` to initialize a Buffer to zeroes.
+
+(Emphasis our own.)
+
+Whenever the programmer intended to create an uninitialized `Buffer` you often see code
+like this:
+
+```js
+var buf = new Buffer(16)
+
+// Immediately overwrite the uninitialized buffer with data from another buffer
+for (var i = 0; i < buf.length; i++) {
+  buf[i] = otherBuf[i]
+}
+```
+
+
+### Would this ever be a problem in real code?
+
+Yes. It's surprisingly common to forget to check the type of your variables in a
+dynamically-typed language like JavaScript.
+
+Usually the consequences of assuming the wrong type is that your program crashes with an
+uncaught exception. But the failure mode for forgetting to check the type of arguments to
+the `Buffer` constructor is more catastrophic.
+
+Here's an example of a vulnerable service that takes a JSON payload and converts it to
+hex:
+
+```js
+// Take a JSON payload {str: "some string"} and convert it to hex
+var server = http.createServer(function (req, res) {
+  var data = ''
+  req.setEncoding('utf8')
+  req.on('data', function (chunk) {
+    data += chunk
+  })
+  req.on('end', function () {
+    var body = JSON.parse(data)
+    res.end(new Buffer(body.str).toString('hex'))
+  })
+})
+
+server.listen(8080)
+```
+
+In this example, an http client just has to send:
+
+```json
+{
+  "str": 1000
+}
+```
+
+and it will get back 1,000 bytes of uninitialized memory from the server.
+
+This is a very serious bug. It's similar in severity to the
+[the Heartbleed bug](http://heartbleed.com/) that allowed disclosure of OpenSSL process
+memory by remote attackers.
+
+
+### Which real-world packages were vulnerable?
+
+#### [`bittorrent-dht`](https://www.npmjs.com/package/bittorrent-dht)
+
+[Mathias Buus](https://github.com/mafintosh) and I
+([Feross Aboukhadijeh](http://feross.org/)) found this issue in one of our own packages,
+[`bittorrent-dht`](https://www.npmjs.com/package/bittorrent-dht). The bug would allow
+anyone on the internet to send a series of messages to a user of `bittorrent-dht` and get
+them to reveal 20 bytes at a time of uninitialized memory from the node.js process.
+
+Here's
+[the commit](https://github.com/feross/bittorrent-dht/commit/6c7da04025d5633699800a99ec3fbadf70ad35b8)
+that fixed it. We released a new fixed version, created a
+[Node Security Project disclosure](https://nodesecurity.io/advisories/68), and deprecated all
+vulnerable versions on npm so users will get a warning to upgrade to a newer version.
+
+#### [`ws`](https://www.npmjs.com/package/ws)
+
+That got us wondering if there were other vulnerable packages. Sure enough, within a short
+period of time, we found the same issue in [`ws`](https://www.npmjs.com/package/ws), the
+most popular WebSocket implementation in node.js.
+
+If certain APIs were called with `Number` parameters instead of `String` or `Buffer` as
+expected, then uninitialized server memory would be disclosed to the remote peer.
+
+These were the vulnerable methods:
+
+```js
+socket.send(number)
+socket.ping(number)
+socket.pong(number)
+```
+
+Here's a vulnerable socket server with some echo functionality:
+
+```js
+server.on('connection', function (socket) {
+  socket.on('message', function (message) {
+    message = JSON.parse(message)
+    if (message.type === 'echo') {
+      socket.send(message.data) // send back the user's message
+    }
+  })
+})
+```
+
+`socket.send(number)` called on the server, will disclose server memory.
+
+Here's [the release](https://github.com/websockets/ws/releases/tag/1.0.1) where the issue
+was fixed, with a more detailed explanation. Props to
+[Arnout Kazemier](https://github.com/3rd-Eden) for the quick fix. Here's the
+[Node Security Project disclosure](https://nodesecurity.io/advisories/67).
+
+
+### What's the solution?
+
+It's important that node.js offers a fast way to get memory otherwise performance-critical
+applications would needlessly get a lot slower.
+
+But we need a better way to *signal our intent* as programmers. **When we want
+uninitialized memory, we should request it explicitly.**
+
+Sensitive functionality should not be packed into a developer-friendly API that loosely
+accepts many different types. This type of API encourages the lazy practice of passing
+variables in without checking the type very carefully.
+
+#### A new API: `Buffer.allocUnsafe(number)`
+
+The functionality of creating buffers with uninitialized memory should be part of another
+API. We propose `Buffer.allocUnsafe(number)`. This way, it's not part of an API that
+frequently gets user input of all sorts of different types passed into it.
+
+```js
+var buf = Buffer.allocUnsafe(16) // careful, uninitialized memory!
+
+// Immediately overwrite the uninitialized buffer with data from another buffer
+for (var i = 0; i < buf.length; i++) {
+  buf[i] = otherBuf[i]
+}
+```
+
+
+### How do we fix node.js core?
+
+We sent [a PR to node.js core](https://github.com/nodejs/node/pull/4514) (merged as
+`semver-major`) which defends against one case:
+
+```js
+var str = 16
+new Buffer(str, 'utf8')
+```
+
+In this situation, it's implied that the programmer intended the first argument to be a
+string, since they passed an encoding as a second argument. Today, node.js will allocate
+uninitialized memory in the case of `new Buffer(number, encoding)`, which is probably not
+what the programmer intended.
+
+But this is only a partial solution, since if the programmer does `new Buffer(variable)`
+(without an `encoding` parameter) there's no way to know what they intended. If `variable`
+is sometimes a number, then uninitialized memory will sometimes be returned.
+
+### What's the real long-term fix?
+
+We could deprecate and remove `new Buffer(number)` and use `Buffer.allocUnsafe(number)` when
+we need uninitialized memory. But that would break 1000s of packages.
+
+~~We believe the best solution is to:~~
+
+~~1. Change `new Buffer(number)` to return safe, zeroed-out memory~~
+
+~~2. Create a new API for creating uninitialized Buffers. We propose: `Buffer.allocUnsafe(number)`~~
+
+#### Update
+
+We now support adding three new APIs:
+
+- `Buffer.from(value)` - convert from any type to a buffer
+- `Buffer.alloc(size)` - create a zero-filled buffer
+- `Buffer.allocUnsafe(size)` - create an uninitialized buffer with given size
+
+This solves the core problem that affected `ws` and `bittorrent-dht` which is
+`Buffer(variable)` getting tricked into taking a number argument.
+
+This way, existing code continues working and the impact on the npm ecosystem will be
+minimal. Over time, npm maintainers can migrate performance-critical code to use
+`Buffer.allocUnsafe(number)` instead of `new Buffer(number)`.
+
+
+### Conclusion
+
+We think there's a serious design issue with the `Buffer` API as it exists today. It
+promotes insecure software by putting high-risk functionality into a convenient API
+with friendly "developer ergonomics".
+
+This wasn't merely a theoretical exercise because we found the issue in some of the
+most popular npm packages.
+
+Fortunately, there's an easy fix that can be applied today. Use `safe-buffer` in place of
+`buffer`.
+
+```js
+var Buffer = require('safe-buffer').Buffer
+```
+
+Eventually, we hope that node.js core can switch to this new, safer behavior. We believe
+the impact on the ecosystem would be minimal since it's not a breaking change.
+Well-maintained, popular packages would be updated to use `Buffer.alloc` quickly, while
+older, insecure packages would magically become safe from this attack vector.
+
+
+## links
+
+- [Node.js PR: buffer: throw if both length and enc are passed](https://github.com/nodejs/node/pull/4514)
+- [Node Security Project disclosure for `ws`](https://nodesecurity.io/advisories/67)
+- [Node Security Project disclosure for`bittorrent-dht`](https://nodesecurity.io/advisories/68)
+
+
+## credit
+
+The original issues in `bittorrent-dht`
+([disclosure](https://nodesecurity.io/advisories/68)) and
+`ws` ([disclosure](https://nodesecurity.io/advisories/67)) were discovered by
+[Mathias Buus](https://github.com/mafintosh) and
+[Feross Aboukhadijeh](http://feross.org/).
+
+Thanks to [Adam Baldwin](https://github.com/evilpacket) for helping disclose these issues
+and for his work running the [Node Security Project](https://nodesecurity.io/).
+
+Thanks to [John Hiesey](https://github.com/jhiesey) for proofreading this README and
+auditing the code.
+
+
+## license
+
+MIT. Copyright (C) [Feross Aboukhadijeh](http://feross.org)
diff --git a/node_modules/safe-buffer/index.d.ts b/node_modules/safe-buffer/index.d.ts
new file mode 100644
index 000000000..e9fed809a
--- /dev/null
+++ b/node_modules/safe-buffer/index.d.ts
@@ -0,0 +1,187 @@
+declare module "safe-buffer" {
+  export class Buffer {
+    length: number
+    write(string: string, offset?: number, length?: number, encoding?: string): number;
+    toString(encoding?: string, start?: number, end?: number): string;
+    toJSON(): { type: 'Buffer', data: any[] };
+    equals(otherBuffer: Buffer): boolean;
+    compare(otherBuffer: Buffer, targetStart?: number, targetEnd?: number, sourceStart?: number, sourceEnd?: number): number;
+    copy(targetBuffer: Buffer, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
+    slice(start?: number, end?: number): Buffer;
+    writeUIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeUIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntLE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    writeIntBE(value: number, offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntLE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readIntBE(offset: number, byteLength: number, noAssert?: boolean): number;
+    readUInt8(offset: number, noAssert?: boolean): number;
+    readUInt16LE(offset: number, noAssert?: boolean): number;
+    readUInt16BE(offset: number, noAssert?: boolean): number;
+    readUInt32LE(offset: number, noAssert?: boolean): number;
+    readUInt32BE(offset: number, noAssert?: boolean): number;
+    readInt8(offset: number, noAssert?: boolean): number;
+    readInt16LE(offset: number, noAssert?: boolean): number;
+    readInt16BE(offset: number, noAssert?: boolean): number;
+    readInt32LE(offset: number, noAssert?: boolean): number;
+    readInt32BE(offset: number, noAssert?: boolean): number;
+    readFloatLE(offset: number, noAssert?: boolean): number;
+    readFloatBE(offset: number, noAssert?: boolean): number;
+    readDoubleLE(offset: number, noAssert?: boolean): number;
+    readDoubleBE(offset: number, noAssert?: boolean): number;
+    swap16(): Buffer;
+    swap32(): Buffer;
+    swap64(): Buffer;
+    writeUInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeUInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt8(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt16BE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32LE(value: number, offset: number, noAssert?: boolean): number;
+    writeInt32BE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatLE(value: number, offset: number, noAssert?: boolean): number;
+    writeFloatBE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleLE(value: number, offset: number, noAssert?: boolean): number;
+    writeDoubleBE(value: number, offset: number, noAssert?: boolean): number;
+    fill(value: any, offset?: number, end?: number): this;
+    indexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    lastIndexOf(value: string | number | Buffer, byteOffset?: number, encoding?: string): number;
+    includes(value: string | number | Buffer, byteOffset?: number, encoding?: string): boolean;
+
+    /**
+     * Allocates a new buffer containing the given {str}.
+     *
+     * @param str String to store in buffer.
+     * @param encoding encoding to use, optional.  Default is 'utf8'
+     */
+     constructor (str: string, encoding?: string);
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     */
+    constructor (size: number);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: Uint8Array);
+    /**
+     * Produces a Buffer backed by the same allocated memory as
+     * the given {ArrayBuffer}.
+     *
+     *
+     * @param arrayBuffer The ArrayBuffer with which to share memory.
+     */
+    constructor (arrayBuffer: ArrayBuffer);
+    /**
+     * Allocates a new buffer containing the given {array} of octets.
+     *
+     * @param array The octets to store.
+     */
+    constructor (array: any[]);
+    /**
+     * Copies the passed {buffer} data onto a new {Buffer} instance.
+     *
+     * @param buffer The buffer to copy.
+     */
+    constructor (buffer: Buffer);
+    prototype: Buffer;
+    /**
+     * Allocates a new Buffer using an {array} of octets.
+     *
+     * @param array
+     */
+    static from(array: any[]): Buffer;
+    /**
+     * When passed a reference to the .buffer property of a TypedArray instance,
+     * the newly created Buffer will share the same allocated memory as the TypedArray.
+     * The optional {byteOffset} and {length} arguments specify a memory range
+     * within the {arrayBuffer} that will be shared by the Buffer.
+     *
+     * @param arrayBuffer The .buffer property of a TypedArray or a new ArrayBuffer()
+     * @param byteOffset
+     * @param length
+     */
+    static from(arrayBuffer: ArrayBuffer, byteOffset?: number, length?: number): Buffer;
+    /**
+     * Copies the passed {buffer} data onto a new Buffer instance.
+     *
+     * @param buffer
+     */
+    static from(buffer: Buffer): Buffer;
+    /**
+     * Creates a new Buffer containing the given JavaScript string {str}.
+     * If provided, the {encoding} parameter identifies the character encoding.
+     * If not provided, {encoding} defaults to 'utf8'.
+     *
+     * @param str
+     */
+    static from(str: string, encoding?: string): Buffer;
+    /**
+     * Returns true if {obj} is a Buffer
+     *
+     * @param obj object to test.
+     */
+    static isBuffer(obj: any): obj is Buffer;
+    /**
+     * Returns true if {encoding} is a valid encoding argument.
+     * Valid string encodings in Node 0.12: 'ascii'|'utf8'|'utf16le'|'ucs2'(alias of 'utf16le')|'base64'|'binary'(deprecated)|'hex'
+     *
+     * @param encoding string to test.
+     */
+    static isEncoding(encoding: string): boolean;
+    /**
+     * Gives the actual byte length of a string. encoding defaults to 'utf8'.
+     * This is not the same as String.prototype.length since that returns the number of characters in a string.
+     *
+     * @param string string to test.
+     * @param encoding encoding used to evaluate (defaults to 'utf8')
+     */
+    static byteLength(string: string, encoding?: string): number;
+    /**
+     * Returns a buffer which is the result of concatenating all the buffers in the list together.
+     *
+     * If the list has no items, or if the totalLength is 0, then it returns a zero-length buffer.
+     * If the list has exactly one item, then the first item of the list is returned.
+     * If the list has more than one item, then a new Buffer is created.
+     *
+     * @param list An array of Buffer objects to concatenate
+     * @param totalLength Total length of the buffers when concatenated.
+     *   If totalLength is not provided, it is read from the buffers in the list. However, this adds an additional loop to the function, so it is faster to provide the length explicitly.
+     */
+    static concat(list: Buffer[], totalLength?: number): Buffer;
+    /**
+     * The same as buf1.compare(buf2).
+     */
+    static compare(buf1: Buffer, buf2: Buffer): number;
+    /**
+     * Allocates a new buffer of {size} octets.
+     *
+     * @param size count of octets to allocate.
+     * @param fill if specified, buffer will be initialized by calling buf.fill(fill).
+     *    If parameter is omitted, buffer will be filled with zeros.
+     * @param encoding encoding used for call to buf.fill while initalizing
+     */
+    static alloc(size: number, fill?: string | Buffer | number, encoding?: string): Buffer;
+    /**
+     * Allocates a new buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafe(size: number): Buffer;
+    /**
+     * Allocates a new non-pooled buffer of {size} octets, leaving memory not initialized, so the contents
+     * of the newly created Buffer are unknown and may contain sensitive data.
+     *
+     * @param size count of octets to allocate
+     */
+    static allocUnsafeSlow(size: number): Buffer;
+  }
+}
\ No newline at end of file
diff --git a/node_modules/safe-buffer/index.js b/node_modules/safe-buffer/index.js
new file mode 100644
index 000000000..f8d3ec988
--- /dev/null
+++ b/node_modules/safe-buffer/index.js
@@ -0,0 +1,65 @@
+/*! safe-buffer. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
+/* eslint-disable node/no-deprecated-api */
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
+
+// alternative to using Object.keys for old browsers
+function copyProps (src, dst) {
+  for (var key in src) {
+    dst[key] = src[key]
+  }
+}
+if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) {
+  module.exports = buffer
+} else {
+  // Copy properties from require('buffer')
+  copyProps(buffer, exports)
+  exports.Buffer = SafeBuffer
+}
+
+function SafeBuffer (arg, encodingOrOffset, length) {
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+SafeBuffer.prototype = Object.create(Buffer.prototype)
+
+// Copy static methods from Buffer
+copyProps(Buffer, SafeBuffer)
+
+SafeBuffer.from = function (arg, encodingOrOffset, length) {
+  if (typeof arg === 'number') {
+    throw new TypeError('Argument must not be a number')
+  }
+  return Buffer(arg, encodingOrOffset, length)
+}
+
+SafeBuffer.alloc = function (size, fill, encoding) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  var buf = Buffer(size)
+  if (fill !== undefined) {
+    if (typeof encoding === 'string') {
+      buf.fill(fill, encoding)
+    } else {
+      buf.fill(fill)
+    }
+  } else {
+    buf.fill(0)
+  }
+  return buf
+}
+
+SafeBuffer.allocUnsafe = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return Buffer(size)
+}
+
+SafeBuffer.allocUnsafeSlow = function (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('Argument must be a number')
+  }
+  return buffer.SlowBuffer(size)
+}
diff --git a/node_modules/safe-buffer/package.json b/node_modules/safe-buffer/package.json
new file mode 100644
index 000000000..f2869e256
--- /dev/null
+++ b/node_modules/safe-buffer/package.json
@@ -0,0 +1,51 @@
+{
+  "name": "safe-buffer",
+  "description": "Safer Node.js Buffer API",
+  "version": "5.2.1",
+  "author": {
+    "name": "Feross Aboukhadijeh",
+    "email": "feross@feross.org",
+    "url": "https://feross.org"
+  },
+  "bugs": {
+    "url": "https://github.com/feross/safe-buffer/issues"
+  },
+  "devDependencies": {
+    "standard": "*",
+    "tape": "^5.0.0"
+  },
+  "homepage": "https://github.com/feross/safe-buffer",
+  "keywords": [
+    "buffer",
+    "buffer allocate",
+    "node security",
+    "safe",
+    "safe-buffer",
+    "security",
+    "uninitialized"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "types": "index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/feross/safe-buffer.git"
+  },
+  "scripts": {
+    "test": "standard && tape test/*.js"
+  },
+  "funding": [
+    {
+      "type": "github",
+      "url": "https://github.com/sponsors/feross"
+    },
+    {
+      "type": "patreon",
+      "url": "https://www.patreon.com/feross"
+    },
+    {
+      "type": "consulting",
+      "url": "https://feross.org/support"
+    }
+  ]
+}
diff --git a/node_modules/safer-buffer/LICENSE b/node_modules/safer-buffer/LICENSE
new file mode 100644
index 000000000..4fe9e6f10
--- /dev/null
+++ b/node_modules/safer-buffer/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Nikita Skovoroda <chalkerx@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/safer-buffer/Porting-Buffer.md b/node_modules/safer-buffer/Porting-Buffer.md
new file mode 100644
index 000000000..68d86bab0
--- /dev/null
+++ b/node_modules/safer-buffer/Porting-Buffer.md
@@ -0,0 +1,268 @@
+# Porting to the Buffer.from/Buffer.alloc API
+
+<a id="overview"></a>
+## Overview
+
+- [Variant 1: Drop support for Node.js ≤ 4.4.x and 5.0.0 — 5.9.x.](#variant-1) (*recommended*)
+- [Variant 2: Use a polyfill](#variant-2)
+- [Variant 3: manual detection, with safeguards](#variant-3)
+
+### Finding problematic bits of code using grep
+
+Just run `grep -nrE '[^a-zA-Z](Slow)?Buffer\s*\(' --exclude-dir node_modules`.
+
+It will find all the potentially unsafe places in your own code (with some considerably unlikely
+exceptions).
+
+### Finding problematic bits of code using Node.js 8
+
+If you’re using Node.js ≥ 8.0.0 (which is recommended), Node.js exposes multiple options that help with finding the relevant pieces of code:
+
+- `--trace-warnings` will make Node.js show a stack trace for this warning and other warnings that are printed by Node.js.
+- `--trace-deprecation` does the same thing, but only for deprecation warnings.
+- `--pending-deprecation` will show more types of deprecation warnings. In particular, it will show the `Buffer()` deprecation warning, even on Node.js 8.
+
+You can set these flags using an environment variable:
+
+```console
+$ export NODE_OPTIONS='--trace-warnings --pending-deprecation'
+$ cat example.js
+'use strict';
+const foo = new Buffer('foo');
+$ node example.js
+(node:7147) [DEP0005] DeprecationWarning: The Buffer() and new Buffer() constructors are not recommended for use due to security and usability concerns. Please use the new Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() construction methods instead.
+    at showFlaggedDeprecation (buffer.js:127:13)
+    at new Buffer (buffer.js:148:3)
+    at Object.<anonymous> (/path/to/example.js:2:13)
+    [... more stack trace lines ...]
+```
+
+### Finding problematic bits of code using linters
+
+Eslint rules [no-buffer-constructor](https://eslint.org/docs/rules/no-buffer-constructor)
+or
+[node/no-deprecated-api](https://github.com/mysticatea/eslint-plugin-node/blob/master/docs/rules/no-deprecated-api.md)
+also find calls to deprecated `Buffer()` API. Those rules are included in some pre-sets.
+
+There is a drawback, though, that it doesn't always
+[work correctly](https://github.com/chalker/safer-buffer#why-not-safe-buffer) when `Buffer` is
+overriden e.g. with a polyfill, so recommended is a combination of this and some other method
+described above.
+
+<a id="variant-1"></a>
+## Variant 1: Drop support for Node.js ≤ 4.4.x and 5.0.0 — 5.9.x.
+
+This is the recommended solution nowadays that would imply only minimal overhead.
+
+The Node.js 5.x release line has been unsupported since July 2016, and the Node.js 4.x release line reaches its End of Life in April 2018 (→ [Schedule](https://github.com/nodejs/Release#release-schedule)). This means that these versions of Node.js will *not* receive any updates, even in case of security issues, so using these release lines should be avoided, if at all possible.
+
+What you would do in this case is to convert all `new Buffer()` or `Buffer()` calls to use `Buffer.alloc()` or `Buffer.from()`, in the following way:
+
+- For `new Buffer(number)`, replace it with `Buffer.alloc(number)`.
+- For `new Buffer(string)` (or `new Buffer(string, encoding)`), replace it with `Buffer.from(string)` (or `Buffer.from(string, encoding)`).
+- For all other combinations of arguments (these are much rarer), also replace `new Buffer(...arguments)` with `Buffer.from(...arguments)`.
+
+Note that `Buffer.alloc()` is also _faster_ on the current Node.js versions than
+`new Buffer(size).fill(0)`, which is what you would otherwise need to ensure zero-filling.
+
+Enabling eslint rule [no-buffer-constructor](https://eslint.org/docs/rules/no-buffer-constructor)
+or
+[node/no-deprecated-api](https://github.com/mysticatea/eslint-plugin-node/blob/master/docs/rules/no-deprecated-api.md)
+is recommended to avoid accidential unsafe Buffer API usage.
+
+There is also a [JSCodeshift codemod](https://github.com/joyeecheung/node-dep-codemod#dep005)
+for automatically migrating Buffer constructors to `Buffer.alloc()` or `Buffer.from()`.
+Note that it currently only works with cases where the arguments are literals or where the
+constructor is invoked with two arguments.
+
+_If you currently support those older Node.js versions and dropping them would be a semver-major change
+for you, or if you support older branches of your packages, consider using [Variant 2](#variant-2)
+or [Variant 3](#variant-3) on older branches, so people using those older branches will also receive
+the fix. That way, you will eradicate potential issues caused by unguarded Buffer API usage and
+your users will not observe a runtime deprecation warning when running your code on Node.js 10._
+
+<a id="variant-2"></a>
+## Variant 2: Use a polyfill
+
+Utilize [safer-buffer](https://www.npmjs.com/package/safer-buffer) as a polyfill to support older
+Node.js versions.
+
+You would take exacly the same steps as in [Variant 1](#variant-1), but with a polyfill
+`const Buffer = require('safer-buffer').Buffer` in all files where you use the new `Buffer` api.
+
+Make sure that you do not use old `new Buffer` API — in any files where the line above is added,
+using old `new Buffer()` API will _throw_. It will be easy to notice that in CI, though.
+
+Alternatively, you could use [buffer-from](https://www.npmjs.com/package/buffer-from) and/or
+[buffer-alloc](https://www.npmjs.com/package/buffer-alloc) [ponyfills](https://ponyfill.com/) —
+those are great, the only downsides being 4 deps in the tree and slightly more code changes to
+migrate off them (as you would be using e.g. `Buffer.from` under a different name). If you need only
+`Buffer.from` polyfilled — `buffer-from` alone which comes with no extra dependencies.
+
+_Alternatively, you could use [safe-buffer](https://www.npmjs.com/package/safe-buffer) — it also
+provides a polyfill, but takes a different approach which has
+[it's drawbacks](https://github.com/chalker/safer-buffer#why-not-safe-buffer). It will allow you
+to also use the older `new Buffer()` API in your code, though — but that's arguably a benefit, as
+it is problematic, can cause issues in your code, and will start emitting runtime deprecation
+warnings starting with Node.js 10._
+
+Note that in either case, it is important that you also remove all calls to the old Buffer
+API manually — just throwing in `safe-buffer` doesn't fix the problem by itself, it just provides
+a polyfill for the new API. I have seen people doing that mistake.
+
+Enabling eslint rule [no-buffer-constructor](https://eslint.org/docs/rules/no-buffer-constructor)
+or
+[node/no-deprecated-api](https://github.com/mysticatea/eslint-plugin-node/blob/master/docs/rules/no-deprecated-api.md)
+is recommended.
+
+_Don't forget to drop the polyfill usage once you drop support for Node.js < 4.5.0._
+
+<a id="variant-3"></a>
+## Variant 3 — manual detection, with safeguards
+
+This is useful if you create Buffer instances in only a few places (e.g. one), or you have your own
+wrapper around them.
+
+### Buffer(0)
+
+This special case for creating empty buffers can be safely replaced with `Buffer.concat([])`, which
+returns the same result all the way down to Node.js 0.8.x.
+
+### Buffer(notNumber)
+
+Before:
+
+```js
+var buf = new Buffer(notNumber, encoding);
+```
+
+After:
+
+```js
+var buf;
+if (Buffer.from && Buffer.from !== Uint8Array.from) {
+  buf = Buffer.from(notNumber, encoding);
+} else {
+  if (typeof notNumber === 'number')
+    throw new Error('The "size" argument must be of type number.');
+  buf = new Buffer(notNumber, encoding);
+}
+```
+
+`encoding` is optional.
+
+Note that the `typeof notNumber` before `new Buffer` is required (for cases when `notNumber` argument is not
+hard-coded) and _is not caused by the deprecation of Buffer constructor_ — it's exactly _why_ the
+Buffer constructor is deprecated. Ecosystem packages lacking this type-check caused numereous
+security issues — situations when unsanitized user input could end up in the `Buffer(arg)` create
+problems ranging from DoS to leaking sensitive information to the attacker from the process memory.
+
+When `notNumber` argument is hardcoded (e.g. literal `"abc"` or `[0,1,2]`), the `typeof` check can
+be omitted.
+
+Also note that using TypeScript does not fix this problem for you — when libs written in
+`TypeScript` are used from JS, or when user input ends up there — it behaves exactly as pure JS, as
+all type checks are translation-time only and are not present in the actual JS code which TS
+compiles to.
+
+### Buffer(number)
+
+For Node.js 0.10.x (and below) support:
+
+```js
+var buf;
+if (Buffer.alloc) {
+  buf = Buffer.alloc(number);
+} else {
+  buf = new Buffer(number);
+  buf.fill(0);
+}
+```
+
+Otherwise (Node.js ≥ 0.12.x):
+
+```js
+const buf = Buffer.alloc ? Buffer.alloc(number) : new Buffer(number).fill(0);
+```
+
+## Regarding Buffer.allocUnsafe
+
+Be extra cautious when using `Buffer.allocUnsafe`:
+ * Don't use it if you don't have a good reason to
+   * e.g. you probably won't ever see a performance difference for small buffers, in fact, those
+     might be even faster with `Buffer.alloc()`,
+   * if your code is not in the hot code path — you also probably won't notice a difference,
+   * keep in mind that zero-filling minimizes the potential risks.
+ * If you use it, make sure that you never return the buffer in a partially-filled state,
+   * if you are writing to it sequentially — always truncate it to the actuall written length
+
+Errors in handling buffers allocated with `Buffer.allocUnsafe` could result in various issues,
+ranged from undefined behaviour of your code to sensitive data (user input, passwords, certs)
+leaking to the remote attacker.
+
+_Note that the same applies to `new Buffer` usage without zero-filling, depending on the Node.js
+version (and lacking type checks also adds DoS to the list of potential problems)._
+
+<a id="faq"></a>
+## FAQ
+
+<a id="design-flaws"></a>
+### What is wrong with the `Buffer` constructor?
+
+The `Buffer` constructor could be used to create a buffer in many different ways:
+
+- `new Buffer(42)` creates a `Buffer` of 42 bytes. Before Node.js 8, this buffer contained
+  *arbitrary memory* for performance reasons, which could include anything ranging from
+  program source code to passwords and encryption keys.
+- `new Buffer('abc')` creates a `Buffer` that contains the UTF-8-encoded version of
+  the string `'abc'`. A second argument could specify another encoding: For example,
+  `new Buffer(string, 'base64')` could be used to convert a Base64 string into the original
+  sequence of bytes that it represents.
+- There are several other combinations of arguments.
+
+This meant that, in code like `var buffer = new Buffer(foo);`, *it is not possible to tell
+what exactly the contents of the generated buffer are* without knowing the type of `foo`.
+
+Sometimes, the value of `foo` comes from an external source. For example, this function
+could be exposed as a service on a web server, converting a UTF-8 string into its Base64 form:
+
+```
+function stringToBase64(req, res) {
+  // The request body should have the format of `{ string: 'foobar' }`
+  const rawBytes = new Buffer(req.body.string)
+  const encoded = rawBytes.toString('base64')
+  res.end({ encoded: encoded })
+}
+```
+
+Note that this code does *not* validate the type of `req.body.string`:
+
+- `req.body.string` is expected to be a string. If this is the case, all goes well.
+- `req.body.string` is controlled by the client that sends the request.
+- If `req.body.string` is the *number* `50`, the `rawBytes` would be 50 bytes:
+  - Before Node.js 8, the content would be uninitialized
+  - After Node.js 8, the content would be `50` bytes with the value `0`
+
+Because of the missing type check, an attacker could intentionally send a number
+as part of the request. Using this, they can either:
+
+- Read uninitialized memory. This **will** leak passwords, encryption keys and other
+  kinds of sensitive information. (Information leak)
+- Force the program to allocate a large amount of memory. For example, when specifying
+  `500000000` as the input value, each request will allocate 500MB of memory.
+  This can be used to either exhaust the memory available of a program completely
+  and make it crash, or slow it down significantly. (Denial of Service)
+
+Both of these scenarios are considered serious security issues in a real-world
+web server context.
+
+when using `Buffer.from(req.body.string)` instead, passing a number will always
+throw an exception instead, giving a controlled behaviour that can always be
+handled by the program.
+
+<a id="ecosystem-usage"></a>
+### The `Buffer()` constructor has been deprecated for a while. Is this really an issue?
+
+Surveys of code in the `npm` ecosystem have shown that the `Buffer()` constructor is still
+widely used. This includes new code, and overall usage of such code has actually been
+*increasing*.
diff --git a/node_modules/safer-buffer/Readme.md b/node_modules/safer-buffer/Readme.md
new file mode 100644
index 000000000..14b082290
--- /dev/null
+++ b/node_modules/safer-buffer/Readme.md
@@ -0,0 +1,156 @@
+# safer-buffer [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![javascript style guide][standard-image]][standard-url] [![Security Responsible Disclosure][secuirty-image]][secuirty-url]
+
+[travis-image]: https://travis-ci.org/ChALkeR/safer-buffer.svg?branch=master
+[travis-url]: https://travis-ci.org/ChALkeR/safer-buffer
+[npm-image]: https://img.shields.io/npm/v/safer-buffer.svg
+[npm-url]: https://npmjs.org/package/safer-buffer
+[standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg
+[standard-url]: https://standardjs.com
+[secuirty-image]: https://img.shields.io/badge/Security-Responsible%20Disclosure-green.svg
+[secuirty-url]: https://github.com/nodejs/security-wg/blob/master/processes/responsible_disclosure_template.md
+
+Modern Buffer API polyfill without footguns, working on Node.js from 0.8 to current.
+
+## How to use?
+
+First, port all `Buffer()` and `new Buffer()` calls to `Buffer.alloc()` and `Buffer.from()` API.
+
+Then, to achieve compatibility with outdated Node.js versions (`<4.5.0` and 5.x `<5.9.0`), use
+`const Buffer = require('safer-buffer').Buffer` in all files where you make calls to the new
+Buffer API. _Use `var` instead of `const` if you need that for your Node.js version range support._
+
+Also, see the
+[porting Buffer](https://github.com/ChALkeR/safer-buffer/blob/master/Porting-Buffer.md) guide.
+
+## Do I need it?
+
+Hopefully, not — dropping support for outdated Node.js versions should be fine nowdays, and that
+is the recommended path forward. You _do_ need to port to the `Buffer.alloc()` and `Buffer.from()`
+though.
+
+See the [porting guide](https://github.com/ChALkeR/safer-buffer/blob/master/Porting-Buffer.md)
+for a better description.
+
+## Why not [safe-buffer](https://npmjs.com/safe-buffer)?
+
+_In short: while `safe-buffer` serves as a polyfill for the new API, it allows old API usage and
+itself contains footguns._
+
+`safe-buffer` could be used safely to get the new API while still keeping support for older
+Node.js versions (like this module), but while analyzing ecosystem usage of the old Buffer API
+I found out that `safe-buffer` is itself causing problems in some cases.
+
+For example, consider the following snippet:
+
+```console
+$ cat example.unsafe.js
+console.log(Buffer(20))
+$ ./node-v6.13.0-linux-x64/bin/node example.unsafe.js
+<Buffer 0a 00 00 00 00 00 00 00 28 13 de 02 00 00 00 00 05 00 00 00>
+$ standard example.unsafe.js
+standard: Use JavaScript Standard Style (https://standardjs.com)
+  /home/chalker/repo/safer-buffer/example.unsafe.js:2:13: 'Buffer()' was deprecated since v6. Use 'Buffer.alloc()' or 'Buffer.from()' (use 'https://www.npmjs.com/package/safe-buffer' for '<4.5.0') instead.
+```
+
+This is allocates and writes to console an uninitialized chunk of memory.
+[standard](https://www.npmjs.com/package/standard) linter (among others) catch that and warn people
+to avoid using unsafe API.
+
+Let's now throw in `safe-buffer`!
+
+```console
+$ cat example.safe-buffer.js
+const Buffer = require('safe-buffer').Buffer
+console.log(Buffer(20))
+$ standard example.safe-buffer.js
+$ ./node-v6.13.0-linux-x64/bin/node example.safe-buffer.js
+<Buffer 08 00 00 00 00 00 00 00 28 58 01 82 fe 7f 00 00 00 00 00 00>
+```
+
+See the problem? Adding in `safe-buffer` _magically removes the lint warning_, but the behavior
+remains identiсal to what we had before, and when launched on Node.js 6.x LTS — this dumps out
+chunks of uninitialized memory.
+_And this code will still emit runtime warnings on Node.js 10.x and above._
+
+That was done by design. I first considered changing `safe-buffer`, prohibiting old API usage or
+emitting warnings on it, but that significantly diverges from `safe-buffer` design. After some
+discussion, it was decided to move my approach into a separate package, and _this is that separate
+package_.
+
+This footgun is not imaginary — I observed top-downloaded packages doing that kind of thing,
+«fixing» the lint warning by blindly including `safe-buffer` without any actual changes.
+
+Also in some cases, even if the API _was_ migrated to use of safe Buffer API — a random pull request
+can bring unsafe Buffer API usage back to the codebase by adding new calls — and that could go
+unnoticed even if you have a linter prohibiting that (becase of the reason stated above), and even
+pass CI. _I also observed that being done in popular packages._
+
+Some examples:
+ * [webdriverio](https://github.com/webdriverio/webdriverio/commit/05cbd3167c12e4930f09ef7cf93b127ba4effae4#diff-124380949022817b90b622871837d56cR31)
+   (a module with 548 759 downloads/month),
+ * [websocket-stream](https://github.com/maxogden/websocket-stream/commit/c9312bd24d08271687d76da0fe3c83493871cf61)
+   (218 288 d/m, fix in [maxogden/websocket-stream#142](https://github.com/maxogden/websocket-stream/pull/142)),
+ * [node-serialport](https://github.com/node-serialport/node-serialport/commit/e8d9d2b16c664224920ce1c895199b1ce2def48c)
+   (113 138 d/m, fix in [node-serialport/node-serialport#1510](https://github.com/node-serialport/node-serialport/pull/1510)),
+ * [karma](https://github.com/karma-runner/karma/commit/3d94b8cf18c695104ca195334dc75ff054c74eec)
+   (3 973 193 d/m, fix in [karma-runner/karma#2947](https://github.com/karma-runner/karma/pull/2947)),
+ * [spdy-transport](https://github.com/spdy-http2/spdy-transport/commit/5375ac33f4a62a4f65bcfc2827447d42a5dbe8b1)
+   (5 970 727 d/m, fix in [spdy-http2/spdy-transport#53](https://github.com/spdy-http2/spdy-transport/pull/53)).
+ * And there are a lot more over the ecosystem.
+
+I filed a PR at
+[mysticatea/eslint-plugin-node#110](https://github.com/mysticatea/eslint-plugin-node/pull/110) to
+partially fix that (for cases when that lint rule is used), but it is a semver-major change for
+linter rules and presets, so it would take significant time for that to reach actual setups.
+_It also hasn't been released yet (2018-03-20)._
+
+Also, `safer-buffer` discourages the usage of `.allocUnsafe()`, which is often done by a mistake.
+It still supports it with an explicit concern barier, by placing it under
+`require('safer-buffer/dangereous')`.
+
+## But isn't throwing bad?
+
+Not really. It's an error that could be noticed and fixed early, instead of causing havoc later like
+unguarded `new Buffer()` calls that end up receiving user input can do.
+
+This package affects only the files where `var Buffer = require('safer-buffer').Buffer` was done, so
+it is really simple to keep track of things and make sure that you don't mix old API usage with that.
+Also, CI should hint anything that you might have missed.
+
+New commits, if tested, won't land new usage of unsafe Buffer API this way.
+_Node.js 10.x also deals with that by printing a runtime depecation warning._
+
+### Would it affect third-party modules?
+
+No, unless you explicitly do an awful thing like monkey-patching or overriding the built-in `Buffer`.
+Don't do that.
+
+### But I don't want throwing…
+
+That is also fine!
+
+Also, it could be better in some cases when you don't comprehensive enough test coverage.
+
+In that case — just don't override `Buffer` and use
+`var SaferBuffer = require('safer-buffer').Buffer` instead.
+
+That way, everything using `Buffer` natively would still work, but there would be two drawbacks:
+
+* `Buffer.from`/`Buffer.alloc` won't be polyfilled — use `SaferBuffer.from` and
+  `SaferBuffer.alloc` instead.
+* You are still open to accidentally using the insecure deprecated API — use a linter to catch that.
+
+Note that using a linter to catch accidential `Buffer` constructor usage in this case is strongly
+recommended. `Buffer` is not overriden in this usecase, so linters won't get confused.
+
+## «Without footguns»?
+
+Well, it is still possible to do _some_ things with `Buffer` API, e.g. accessing `.buffer` property
+on older versions and duping things from there. You shouldn't do that in your code, probabably.
+
+The intention is to remove the most significant footguns that affect lots of packages in the
+ecosystem, and to do it in the proper way.
+
+Also, this package doesn't protect against security issues affecting some Node.js versions, so for
+usage in your own production code, it is still recommended to update to a Node.js version
+[supported by upstream](https://github.com/nodejs/release#release-schedule).
diff --git a/node_modules/safer-buffer/dangerous.js b/node_modules/safer-buffer/dangerous.js
new file mode 100644
index 000000000..ca41fdc54
--- /dev/null
+++ b/node_modules/safer-buffer/dangerous.js
@@ -0,0 +1,58 @@
+/* eslint-disable node/no-deprecated-api */
+
+'use strict'
+
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
+var safer = require('./safer.js')
+var Safer = safer.Buffer
+
+var dangerous = {}
+
+var key
+
+for (key in safer) {
+  if (!safer.hasOwnProperty(key)) continue
+  dangerous[key] = safer[key]
+}
+
+var Dangereous = dangerous.Buffer = {}
+
+// Copy Safer API
+for (key in Safer) {
+  if (!Safer.hasOwnProperty(key)) continue
+  Dangereous[key] = Safer[key]
+}
+
+// Copy those missing unsafe methods, if they are present
+for (key in Buffer) {
+  if (!Buffer.hasOwnProperty(key)) continue
+  if (Dangereous.hasOwnProperty(key)) continue
+  Dangereous[key] = Buffer[key]
+}
+
+if (!Dangereous.allocUnsafe) {
+  Dangereous.allocUnsafe = function (size) {
+    if (typeof size !== 'number') {
+      throw new TypeError('The "size" argument must be of type number. Received type ' + typeof size)
+    }
+    if (size < 0 || size >= 2 * (1 << 30)) {
+      throw new RangeError('The value "' + size + '" is invalid for option "size"')
+    }
+    return Buffer(size)
+  }
+}
+
+if (!Dangereous.allocUnsafeSlow) {
+  Dangereous.allocUnsafeSlow = function (size) {
+    if (typeof size !== 'number') {
+      throw new TypeError('The "size" argument must be of type number. Received type ' + typeof size)
+    }
+    if (size < 0 || size >= 2 * (1 << 30)) {
+      throw new RangeError('The value "' + size + '" is invalid for option "size"')
+    }
+    return buffer.SlowBuffer(size)
+  }
+}
+
+module.exports = dangerous
diff --git a/node_modules/safer-buffer/package.json b/node_modules/safer-buffer/package.json
new file mode 100644
index 000000000..d452b04ae
--- /dev/null
+++ b/node_modules/safer-buffer/package.json
@@ -0,0 +1,34 @@
+{
+  "name": "safer-buffer",
+  "version": "2.1.2",
+  "description": "Modern Buffer API polyfill without footguns",
+  "main": "safer.js",
+  "scripts": {
+    "browserify-test": "browserify --external tape tests.js > browserify-tests.js && tape browserify-tests.js",
+    "test": "standard && tape tests.js"
+  },
+  "author": {
+    "name": "Nikita Skovoroda",
+    "email": "chalkerx@gmail.com",
+    "url": "https://github.com/ChALkeR"
+  },
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/ChALkeR/safer-buffer.git"
+  },
+  "bugs": {
+    "url": "https://github.com/ChALkeR/safer-buffer/issues"
+  },
+  "devDependencies": {
+    "standard": "^11.0.1",
+    "tape": "^4.9.0"
+  },
+  "files": [
+    "Porting-Buffer.md",
+    "Readme.md",
+    "tests.js",
+    "dangerous.js",
+    "safer.js"
+  ]
+}
diff --git a/node_modules/safer-buffer/safer.js b/node_modules/safer-buffer/safer.js
new file mode 100644
index 000000000..37c7e1aa6
--- /dev/null
+++ b/node_modules/safer-buffer/safer.js
@@ -0,0 +1,77 @@
+/* eslint-disable node/no-deprecated-api */
+
+'use strict'
+
+var buffer = require('buffer')
+var Buffer = buffer.Buffer
+
+var safer = {}
+
+var key
+
+for (key in buffer) {
+  if (!buffer.hasOwnProperty(key)) continue
+  if (key === 'SlowBuffer' || key === 'Buffer') continue
+  safer[key] = buffer[key]
+}
+
+var Safer = safer.Buffer = {}
+for (key in Buffer) {
+  if (!Buffer.hasOwnProperty(key)) continue
+  if (key === 'allocUnsafe' || key === 'allocUnsafeSlow') continue
+  Safer[key] = Buffer[key]
+}
+
+safer.Buffer.prototype = Buffer.prototype
+
+if (!Safer.from || Safer.from === Uint8Array.from) {
+  Safer.from = function (value, encodingOrOffset, length) {
+    if (typeof value === 'number') {
+      throw new TypeError('The "value" argument must not be of type number. Received type ' + typeof value)
+    }
+    if (value && typeof value.length === 'undefined') {
+      throw new TypeError('The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type ' + typeof value)
+    }
+    return Buffer(value, encodingOrOffset, length)
+  }
+}
+
+if (!Safer.alloc) {
+  Safer.alloc = function (size, fill, encoding) {
+    if (typeof size !== 'number') {
+      throw new TypeError('The "size" argument must be of type number. Received type ' + typeof size)
+    }
+    if (size < 0 || size >= 2 * (1 << 30)) {
+      throw new RangeError('The value "' + size + '" is invalid for option "size"')
+    }
+    var buf = Buffer(size)
+    if (!fill || fill.length === 0) {
+      buf.fill(0)
+    } else if (typeof encoding === 'string') {
+      buf.fill(fill, encoding)
+    } else {
+      buf.fill(fill)
+    }
+    return buf
+  }
+}
+
+if (!safer.kStringMaxLength) {
+  try {
+    safer.kStringMaxLength = process.binding('buffer').kStringMaxLength
+  } catch (e) {
+    // we can't determine kStringMaxLength in environments where process.binding
+    // is unsupported, so let's not set it
+  }
+}
+
+if (!safer.constants) {
+  safer.constants = {
+    MAX_LENGTH: safer.kMaxLength
+  }
+  if (safer.kStringMaxLength) {
+    safer.constants.MAX_STRING_LENGTH = safer.kStringMaxLength
+  }
+}
+
+module.exports = safer
diff --git a/node_modules/safer-buffer/tests.js b/node_modules/safer-buffer/tests.js
new file mode 100644
index 000000000..7ed2777c9
--- /dev/null
+++ b/node_modules/safer-buffer/tests.js
@@ -0,0 +1,406 @@
+/* eslint-disable node/no-deprecated-api */
+
+'use strict'
+
+var test = require('tape')
+
+var buffer = require('buffer')
+
+var index = require('./')
+var safer = require('./safer')
+var dangerous = require('./dangerous')
+
+/* Inheritance tests */
+
+test('Default is Safer', function (t) {
+  t.equal(index, safer)
+  t.notEqual(safer, dangerous)
+  t.notEqual(index, dangerous)
+  t.end()
+})
+
+test('Is not a function', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.equal(typeof impl, 'object')
+    t.equal(typeof impl.Buffer, 'object')
+  });
+  [buffer].forEach(function (impl) {
+    t.equal(typeof impl, 'object')
+    t.equal(typeof impl.Buffer, 'function')
+  })
+  t.end()
+})
+
+test('Constructor throws', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.throws(function () { impl.Buffer() })
+    t.throws(function () { impl.Buffer(0) })
+    t.throws(function () { impl.Buffer('a') })
+    t.throws(function () { impl.Buffer('a', 'utf-8') })
+    t.throws(function () { return new impl.Buffer() })
+    t.throws(function () { return new impl.Buffer(0) })
+    t.throws(function () { return new impl.Buffer('a') })
+    t.throws(function () { return new impl.Buffer('a', 'utf-8') })
+  })
+  t.end()
+})
+
+test('Safe methods exist', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.equal(typeof impl.Buffer.alloc, 'function', 'alloc')
+    t.equal(typeof impl.Buffer.from, 'function', 'from')
+  })
+  t.end()
+})
+
+test('Unsafe methods exist only in Dangerous', function (t) {
+  [index, safer].forEach(function (impl) {
+    t.equal(typeof impl.Buffer.allocUnsafe, 'undefined')
+    t.equal(typeof impl.Buffer.allocUnsafeSlow, 'undefined')
+  });
+  [dangerous].forEach(function (impl) {
+    t.equal(typeof impl.Buffer.allocUnsafe, 'function')
+    t.equal(typeof impl.Buffer.allocUnsafeSlow, 'function')
+  })
+  t.end()
+})
+
+test('Generic methods/properties are defined and equal', function (t) {
+  ['poolSize', 'isBuffer', 'concat', 'byteLength'].forEach(function (method) {
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl.Buffer[method], buffer.Buffer[method], method)
+      t.notEqual(typeof impl.Buffer[method], 'undefined', method)
+    })
+  })
+  t.end()
+})
+
+test('Built-in buffer static methods/properties are inherited', function (t) {
+  Object.keys(buffer).forEach(function (method) {
+    if (method === 'SlowBuffer' || method === 'Buffer') return;
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl[method], buffer[method], method)
+      t.notEqual(typeof impl[method], 'undefined', method)
+    })
+  })
+  t.end()
+})
+
+test('Built-in Buffer static methods/properties are inherited', function (t) {
+  Object.keys(buffer.Buffer).forEach(function (method) {
+    if (method === 'allocUnsafe' || method === 'allocUnsafeSlow') return;
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl.Buffer[method], buffer.Buffer[method], method)
+      t.notEqual(typeof impl.Buffer[method], 'undefined', method)
+    })
+  })
+  t.end()
+})
+
+test('.prototype property of Buffer is inherited', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.equal(impl.Buffer.prototype, buffer.Buffer.prototype, 'prototype')
+    t.notEqual(typeof impl.Buffer.prototype, 'undefined', 'prototype')
+  })
+  t.end()
+})
+
+test('All Safer methods are present in Dangerous', function (t) {
+  Object.keys(safer).forEach(function (method) {
+    if (method === 'Buffer') return;
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl[method], safer[method], method)
+      if (method !== 'kStringMaxLength') {
+        t.notEqual(typeof impl[method], 'undefined', method)
+      }
+    })
+  })
+  Object.keys(safer.Buffer).forEach(function (method) {
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl.Buffer[method], safer.Buffer[method], method)
+      t.notEqual(typeof impl.Buffer[method], 'undefined', method)
+    })
+  })
+  t.end()
+})
+
+test('Safe methods from Dangerous methods are present in Safer', function (t) {
+  Object.keys(dangerous).forEach(function (method) {
+    if (method === 'Buffer') return;
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl[method], dangerous[method], method)
+      if (method !== 'kStringMaxLength') {
+        t.notEqual(typeof impl[method], 'undefined', method)
+      }
+    })
+  })
+  Object.keys(dangerous.Buffer).forEach(function (method) {
+    if (method === 'allocUnsafe' || method === 'allocUnsafeSlow') return;
+    [index, safer, dangerous].forEach(function (impl) {
+      t.equal(impl.Buffer[method], dangerous.Buffer[method], method)
+      t.notEqual(typeof impl.Buffer[method], 'undefined', method)
+    })
+  })
+  t.end()
+})
+
+/* Behaviour tests */
+
+test('Methods return Buffers', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(0)))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(0, 10)))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(0, 'a')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(10)))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(10, 'x')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.alloc(9, 'ab')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from('')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from('string')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from('string', 'utf-8')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64')))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from([0, 42, 3])))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from(new Uint8Array([0, 42, 3]))))
+    t.ok(buffer.Buffer.isBuffer(impl.Buffer.from([])))
+  });
+  ['allocUnsafe', 'allocUnsafeSlow'].forEach(function (method) {
+    t.ok(buffer.Buffer.isBuffer(dangerous.Buffer[method](0)))
+    t.ok(buffer.Buffer.isBuffer(dangerous.Buffer[method](10)))
+  })
+  t.end()
+})
+
+test('Constructor is buffer.Buffer', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.equal(impl.Buffer.alloc(0).constructor, buffer.Buffer)
+    t.equal(impl.Buffer.alloc(0, 10).constructor, buffer.Buffer)
+    t.equal(impl.Buffer.alloc(0, 'a').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.alloc(10).constructor, buffer.Buffer)
+    t.equal(impl.Buffer.alloc(10, 'x').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.alloc(9, 'ab').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from('').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from('string').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from('string', 'utf-8').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64').constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from([0, 42, 3]).constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from(new Uint8Array([0, 42, 3])).constructor, buffer.Buffer)
+    t.equal(impl.Buffer.from([]).constructor, buffer.Buffer)
+  });
+  [0, 10, 100].forEach(function (arg) {
+    t.equal(dangerous.Buffer.allocUnsafe(arg).constructor, buffer.Buffer)
+    t.equal(dangerous.Buffer.allocUnsafeSlow(arg).constructor, buffer.SlowBuffer(0).constructor)
+  })
+  t.end()
+})
+
+test('Invalid calls throw', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.throws(function () { impl.Buffer.from(0) })
+    t.throws(function () { impl.Buffer.from(10) })
+    t.throws(function () { impl.Buffer.from(10, 'utf-8') })
+    t.throws(function () { impl.Buffer.from('string', 'invalid encoding') })
+    t.throws(function () { impl.Buffer.from(-10) })
+    t.throws(function () { impl.Buffer.from(1e90) })
+    t.throws(function () { impl.Buffer.from(Infinity) })
+    t.throws(function () { impl.Buffer.from(-Infinity) })
+    t.throws(function () { impl.Buffer.from(NaN) })
+    t.throws(function () { impl.Buffer.from(null) })
+    t.throws(function () { impl.Buffer.from(undefined) })
+    t.throws(function () { impl.Buffer.from() })
+    t.throws(function () { impl.Buffer.from({}) })
+    t.throws(function () { impl.Buffer.alloc('') })
+    t.throws(function () { impl.Buffer.alloc('string') })
+    t.throws(function () { impl.Buffer.alloc('string', 'utf-8') })
+    t.throws(function () { impl.Buffer.alloc('b25ldHdvdGhyZWU=', 'base64') })
+    t.throws(function () { impl.Buffer.alloc(-10) })
+    t.throws(function () { impl.Buffer.alloc(1e90) })
+    t.throws(function () { impl.Buffer.alloc(2 * (1 << 30)) })
+    t.throws(function () { impl.Buffer.alloc(Infinity) })
+    t.throws(function () { impl.Buffer.alloc(-Infinity) })
+    t.throws(function () { impl.Buffer.alloc(null) })
+    t.throws(function () { impl.Buffer.alloc(undefined) })
+    t.throws(function () { impl.Buffer.alloc() })
+    t.throws(function () { impl.Buffer.alloc([]) })
+    t.throws(function () { impl.Buffer.alloc([0, 42, 3]) })
+    t.throws(function () { impl.Buffer.alloc({}) })
+  });
+  ['allocUnsafe', 'allocUnsafeSlow'].forEach(function (method) {
+    t.throws(function () { dangerous.Buffer[method]('') })
+    t.throws(function () { dangerous.Buffer[method]('string') })
+    t.throws(function () { dangerous.Buffer[method]('string', 'utf-8') })
+    t.throws(function () { dangerous.Buffer[method](2 * (1 << 30)) })
+    t.throws(function () { dangerous.Buffer[method](Infinity) })
+    if (dangerous.Buffer[method] === buffer.Buffer.allocUnsafe) {
+      t.skip('Skipping, older impl of allocUnsafe coerced negative sizes to 0')
+    } else {
+      t.throws(function () { dangerous.Buffer[method](-10) })
+      t.throws(function () { dangerous.Buffer[method](-1e90) })
+      t.throws(function () { dangerous.Buffer[method](-Infinity) })
+    }
+    t.throws(function () { dangerous.Buffer[method](null) })
+    t.throws(function () { dangerous.Buffer[method](undefined) })
+    t.throws(function () { dangerous.Buffer[method]() })
+    t.throws(function () { dangerous.Buffer[method]([]) })
+    t.throws(function () { dangerous.Buffer[method]([0, 42, 3]) })
+    t.throws(function () { dangerous.Buffer[method]({}) })
+  })
+  t.end()
+})
+
+test('Buffers have appropriate lengths', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.equal(impl.Buffer.alloc(0).length, 0)
+    t.equal(impl.Buffer.alloc(10).length, 10)
+    t.equal(impl.Buffer.from('').length, 0)
+    t.equal(impl.Buffer.from('string').length, 6)
+    t.equal(impl.Buffer.from('string', 'utf-8').length, 6)
+    t.equal(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64').length, 11)
+    t.equal(impl.Buffer.from([0, 42, 3]).length, 3)
+    t.equal(impl.Buffer.from(new Uint8Array([0, 42, 3])).length, 3)
+    t.equal(impl.Buffer.from([]).length, 0)
+  });
+  ['allocUnsafe', 'allocUnsafeSlow'].forEach(function (method) {
+    t.equal(dangerous.Buffer[method](0).length, 0)
+    t.equal(dangerous.Buffer[method](10).length, 10)
+  })
+  t.end()
+})
+
+test('Buffers have appropriate lengths (2)', function (t) {
+  t.equal(index.Buffer.alloc, safer.Buffer.alloc)
+  t.equal(index.Buffer.alloc, dangerous.Buffer.alloc)
+  var ok = true;
+  [ safer.Buffer.alloc,
+    dangerous.Buffer.allocUnsafe,
+    dangerous.Buffer.allocUnsafeSlow
+  ].forEach(function (method) {
+    for (var i = 0; i < 1e2; i++) {
+      var length = Math.round(Math.random() * 1e5)
+      var buf = method(length)
+      if (!buffer.Buffer.isBuffer(buf)) ok = false
+      if (buf.length !== length) ok = false
+    }
+  })
+  t.ok(ok)
+  t.end()
+})
+
+test('.alloc(size) is zero-filled and has correct length', function (t) {
+  t.equal(index.Buffer.alloc, safer.Buffer.alloc)
+  t.equal(index.Buffer.alloc, dangerous.Buffer.alloc)
+  var ok = true
+  for (var i = 0; i < 1e2; i++) {
+    var length = Math.round(Math.random() * 2e6)
+    var buf = index.Buffer.alloc(length)
+    if (!buffer.Buffer.isBuffer(buf)) ok = false
+    if (buf.length !== length) ok = false
+    var j
+    for (j = 0; j < length; j++) {
+      if (buf[j] !== 0) ok = false
+    }
+    buf.fill(1)
+    for (j = 0; j < length; j++) {
+      if (buf[j] !== 1) ok = false
+    }
+  }
+  t.ok(ok)
+  t.end()
+})
+
+test('.allocUnsafe / .allocUnsafeSlow are fillable and have correct lengths', function (t) {
+  ['allocUnsafe', 'allocUnsafeSlow'].forEach(function (method) {
+    var ok = true
+    for (var i = 0; i < 1e2; i++) {
+      var length = Math.round(Math.random() * 2e6)
+      var buf = dangerous.Buffer[method](length)
+      if (!buffer.Buffer.isBuffer(buf)) ok = false
+      if (buf.length !== length) ok = false
+      buf.fill(0, 0, length)
+      var j
+      for (j = 0; j < length; j++) {
+        if (buf[j] !== 0) ok = false
+      }
+      buf.fill(1, 0, length)
+      for (j = 0; j < length; j++) {
+        if (buf[j] !== 1) ok = false
+      }
+    }
+    t.ok(ok, method)
+  })
+  t.end()
+})
+
+test('.alloc(size, fill) is `fill`-filled', function (t) {
+  t.equal(index.Buffer.alloc, safer.Buffer.alloc)
+  t.equal(index.Buffer.alloc, dangerous.Buffer.alloc)
+  var ok = true
+  for (var i = 0; i < 1e2; i++) {
+    var length = Math.round(Math.random() * 2e6)
+    var fill = Math.round(Math.random() * 255)
+    var buf = index.Buffer.alloc(length, fill)
+    if (!buffer.Buffer.isBuffer(buf)) ok = false
+    if (buf.length !== length) ok = false
+    for (var j = 0; j < length; j++) {
+      if (buf[j] !== fill) ok = false
+    }
+  }
+  t.ok(ok)
+  t.end()
+})
+
+test('.alloc(size, fill) is `fill`-filled', function (t) {
+  t.equal(index.Buffer.alloc, safer.Buffer.alloc)
+  t.equal(index.Buffer.alloc, dangerous.Buffer.alloc)
+  var ok = true
+  for (var i = 0; i < 1e2; i++) {
+    var length = Math.round(Math.random() * 2e6)
+    var fill = Math.round(Math.random() * 255)
+    var buf = index.Buffer.alloc(length, fill)
+    if (!buffer.Buffer.isBuffer(buf)) ok = false
+    if (buf.length !== length) ok = false
+    for (var j = 0; j < length; j++) {
+      if (buf[j] !== fill) ok = false
+    }
+  }
+  t.ok(ok)
+  t.deepEqual(index.Buffer.alloc(9, 'a'), index.Buffer.alloc(9, 97))
+  t.notDeepEqual(index.Buffer.alloc(9, 'a'), index.Buffer.alloc(9, 98))
+
+  var tmp = new buffer.Buffer(2)
+  tmp.fill('ok')
+  if (tmp[1] === tmp[0]) {
+    // Outdated Node.js
+    t.deepEqual(index.Buffer.alloc(5, 'ok'), index.Buffer.from('ooooo'))
+  } else {
+    t.deepEqual(index.Buffer.alloc(5, 'ok'), index.Buffer.from('okoko'))
+  }
+  t.notDeepEqual(index.Buffer.alloc(5, 'ok'), index.Buffer.from('kokok'))
+
+  t.end()
+})
+
+test('safer.Buffer.from returns results same as Buffer constructor', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.deepEqual(impl.Buffer.from(''), new buffer.Buffer(''))
+    t.deepEqual(impl.Buffer.from('string'), new buffer.Buffer('string'))
+    t.deepEqual(impl.Buffer.from('string', 'utf-8'), new buffer.Buffer('string', 'utf-8'))
+    t.deepEqual(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64'), new buffer.Buffer('b25ldHdvdGhyZWU=', 'base64'))
+    t.deepEqual(impl.Buffer.from([0, 42, 3]), new buffer.Buffer([0, 42, 3]))
+    t.deepEqual(impl.Buffer.from(new Uint8Array([0, 42, 3])), new buffer.Buffer(new Uint8Array([0, 42, 3])))
+    t.deepEqual(impl.Buffer.from([]), new buffer.Buffer([]))
+  })
+  t.end()
+})
+
+test('safer.Buffer.from returns consistent results', function (t) {
+  [index, safer, dangerous].forEach(function (impl) {
+    t.deepEqual(impl.Buffer.from(''), impl.Buffer.alloc(0))
+    t.deepEqual(impl.Buffer.from([]), impl.Buffer.alloc(0))
+    t.deepEqual(impl.Buffer.from(new Uint8Array([])), impl.Buffer.alloc(0))
+    t.deepEqual(impl.Buffer.from('string', 'utf-8'), impl.Buffer.from('string'))
+    t.deepEqual(impl.Buffer.from('string'), impl.Buffer.from([115, 116, 114, 105, 110, 103]))
+    t.deepEqual(impl.Buffer.from('string'), impl.Buffer.from(impl.Buffer.from('string')))
+    t.deepEqual(impl.Buffer.from('b25ldHdvdGhyZWU=', 'base64'), impl.Buffer.from('onetwothree'))
+    t.notDeepEqual(impl.Buffer.from('b25ldHdvdGhyZWU='), impl.Buffer.from('onetwothree'))
+  })
+  t.end()
+})
diff --git a/node_modules/saslprep/.editorconfig b/node_modules/saslprep/.editorconfig
new file mode 100644
index 000000000..d1d8a4176
--- /dev/null
+++ b/node_modules/saslprep/.editorconfig
@@ -0,0 +1,10 @@
+# http://editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
diff --git a/node_modules/saslprep/.gitattributes b/node_modules/saslprep/.gitattributes
new file mode 100644
index 000000000..3ba45360c
--- /dev/null
+++ b/node_modules/saslprep/.gitattributes
@@ -0,0 +1 @@
+*.mem binary
diff --git a/node_modules/saslprep/.travis.yml b/node_modules/saslprep/.travis.yml
new file mode 100644
index 000000000..0bca82653
--- /dev/null
+++ b/node_modules/saslprep/.travis.yml
@@ -0,0 +1,10 @@
+sudo: false
+language: node_js
+node_js:
+  - "6"
+  - "8"
+  - "10"
+  - "12"
+
+before_install:
+- npm install -g npm@6
diff --git a/node_modules/saslprep/CHANGELOG.md b/node_modules/saslprep/CHANGELOG.md
new file mode 100644
index 000000000..779807877
--- /dev/null
+++ b/node_modules/saslprep/CHANGELOG.md
@@ -0,0 +1,19 @@
+# Change Log
+All notable changes to the "saslprep" package will be documented in this file.
+
+## [1.0.3] - 2019-05-01
+
+- Correctly get code points >U+FFFF ([#5](https://github.com/reklatsmasters/saslprep/pull/5))
+- Fix perfomance downgrades from [#5](https://github.com/reklatsmasters/saslprep/pull/5).
+
+## [1.0.2] - 2018-09-13
+
+- Reduced initialization time ([#3](https://github.com/reklatsmasters/saslprep/issues/3))
+
+## [1.0.1] - 2018-06-20
+
+- Reduced stack overhead of range creation ([#2](https://github.com/reklatsmasters/saslprep/pull/2))
+
+## [1.0.0] - 2017-06-21
+
+- First release
diff --git a/node_modules/saslprep/LICENSE b/node_modules/saslprep/LICENSE
new file mode 100644
index 000000000..481c7a50f
--- /dev/null
+++ b/node_modules/saslprep/LICENSE
@@ -0,0 +1,22 @@
+Copyright (c) 2014 Dmitry Tsvettsikh
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/saslprep/code-points.mem b/node_modules/saslprep/code-points.mem
new file mode 100644
index 000000000..4781b0668
Binary files /dev/null and b/node_modules/saslprep/code-points.mem differ
diff --git a/node_modules/saslprep/generate-code-points.js b/node_modules/saslprep/generate-code-points.js
new file mode 100644
index 000000000..c5162ca7a
--- /dev/null
+++ b/node_modules/saslprep/generate-code-points.js
@@ -0,0 +1,51 @@
+'use strict';
+
+const bitfield = require('sparse-bitfield');
+const codePoints = require('./lib/code-points');
+
+const unassigned_code_points = bitfield();
+const commonly_mapped_to_nothing = bitfield();
+const non_ascii_space_characters = bitfield();
+const prohibited_characters = bitfield();
+const bidirectional_r_al = bitfield();
+const bidirectional_l = bitfield();
+
+/**
+ * Iterare over code points and
+ * convert it into an buffer.
+ * @param {bitfield} bits
+ * @param {Array} src
+ * @returns {Buffer}
+ */
+function traverse(bits, src) {
+  for (const code of src.keys()) {
+    bits.set(code, true);
+  }
+
+  const buffer = bits.toBuffer();
+  return Buffer.concat([createSize(buffer), buffer]);
+}
+
+/**
+ * @param {Buffer} buffer
+ * @returns {Buffer}
+ */
+function createSize(buffer) {
+  const buf = Buffer.alloc(4);
+  buf.writeUInt32BE(buffer.length);
+
+  return buf;
+}
+
+const memory = [];
+
+memory.push(
+  traverse(unassigned_code_points, codePoints.unassigned_code_points),
+  traverse(commonly_mapped_to_nothing, codePoints.commonly_mapped_to_nothing),
+  traverse(non_ascii_space_characters, codePoints.non_ASCII_space_characters),
+  traverse(prohibited_characters, codePoints.prohibited_characters),
+  traverse(bidirectional_r_al, codePoints.bidirectional_r_al),
+  traverse(bidirectional_l, codePoints.bidirectional_l)
+);
+
+process.stdout.write(Buffer.concat(memory));
diff --git a/node_modules/saslprep/index.js b/node_modules/saslprep/index.js
new file mode 100644
index 000000000..21bb0fed3
--- /dev/null
+++ b/node_modules/saslprep/index.js
@@ -0,0 +1,157 @@
+'use strict';
+
+const {
+  unassigned_code_points,
+  commonly_mapped_to_nothing,
+  non_ASCII_space_characters,
+  prohibited_characters,
+  bidirectional_r_al,
+  bidirectional_l,
+} = require('./lib/memory-code-points');
+
+module.exports = saslprep;
+
+// 2.1.  Mapping
+
+/**
+ * non-ASCII space characters [StringPrep, C.1.2] that can be
+ * mapped to SPACE (U+0020)
+ */
+const mapping2space = non_ASCII_space_characters;
+
+/**
+ * the "commonly mapped to nothing" characters [StringPrep, B.1]
+ * that can be mapped to nothing.
+ */
+const mapping2nothing = commonly_mapped_to_nothing;
+
+// utils
+const getCodePoint = character => character.codePointAt(0);
+const first = x => x[0];
+const last = x => x[x.length - 1];
+
+/**
+ * Convert provided string into an array of Unicode Code Points.
+ * Based on https://stackoverflow.com/a/21409165/1556249
+ * and https://www.npmjs.com/package/code-point-at.
+ * @param {string} input
+ * @returns {number[]}
+ */
+function toCodePoints(input) {
+  const codepoints = [];
+  const size = input.length;
+
+  for (let i = 0; i < size; i += 1) {
+    const before = input.charCodeAt(i);
+
+    if (before >= 0xd800 && before <= 0xdbff && size > i + 1) {
+      const next = input.charCodeAt(i + 1);
+
+      if (next >= 0xdc00 && next <= 0xdfff) {
+        codepoints.push((before - 0xd800) * 0x400 + next - 0xdc00 + 0x10000);
+        i += 1;
+        continue;
+      }
+    }
+
+    codepoints.push(before);
+  }
+
+  return codepoints;
+}
+
+/**
+ * SASLprep.
+ * @param {string} input
+ * @param {Object} opts
+ * @param {boolean} opts.allowUnassigned
+ * @returns {string}
+ */
+function saslprep(input, opts = {}) {
+  if (typeof input !== 'string') {
+    throw new TypeError('Expected string.');
+  }
+
+  if (input.length === 0) {
+    return '';
+  }
+
+  // 1. Map
+  const mapped_input = toCodePoints(input)
+    // 1.1 mapping to space
+    .map(character => (mapping2space.get(character) ? 0x20 : character))
+    // 1.2 mapping to nothing
+    .filter(character => !mapping2nothing.get(character));
+
+  // 2. Normalize
+  const normalized_input = String.fromCodePoint
+    .apply(null, mapped_input)
+    .normalize('NFKC');
+
+  const normalized_map = toCodePoints(normalized_input);
+
+  // 3. Prohibit
+  const hasProhibited = normalized_map.some(character =>
+    prohibited_characters.get(character)
+  );
+
+  if (hasProhibited) {
+    throw new Error(
+      'Prohibited character, see https://tools.ietf.org/html/rfc4013#section-2.3'
+    );
+  }
+
+  // Unassigned Code Points
+  if (opts.allowUnassigned !== true) {
+    const hasUnassigned = normalized_map.some(character =>
+      unassigned_code_points.get(character)
+    );
+
+    if (hasUnassigned) {
+      throw new Error(
+        'Unassigned code point, see https://tools.ietf.org/html/rfc4013#section-2.5'
+      );
+    }
+  }
+
+  // 4. check bidi
+
+  const hasBidiRAL = normalized_map.some(character =>
+    bidirectional_r_al.get(character)
+  );
+
+  const hasBidiL = normalized_map.some(character =>
+    bidirectional_l.get(character)
+  );
+
+  // 4.1 If a string contains any RandALCat character, the string MUST NOT
+  // contain any LCat character.
+  if (hasBidiRAL && hasBidiL) {
+    throw new Error(
+      'String must not contain RandALCat and LCat at the same time,' +
+        ' see https://tools.ietf.org/html/rfc3454#section-6'
+    );
+  }
+
+  /**
+   * 4.2 If a string contains any RandALCat character, a RandALCat
+   * character MUST be the first character of the string, and a
+   * RandALCat character MUST be the last character of the string.
+   */
+
+  const isFirstBidiRAL = bidirectional_r_al.get(
+    getCodePoint(first(normalized_input))
+  );
+  const isLastBidiRAL = bidirectional_r_al.get(
+    getCodePoint(last(normalized_input))
+  );
+
+  if (hasBidiRAL && !(isFirstBidiRAL && isLastBidiRAL)) {
+    throw new Error(
+      'Bidirectional RandALCat character must be the first and the last' +
+        ' character of the string, see https://tools.ietf.org/html/rfc3454#section-6'
+    );
+  }
+
+  return normalized_input;
+}
diff --git a/node_modules/saslprep/lib/code-points.js b/node_modules/saslprep/lib/code-points.js
new file mode 100644
index 000000000..222182c83
--- /dev/null
+++ b/node_modules/saslprep/lib/code-points.js
@@ -0,0 +1,996 @@
+'use strict';
+
+const { range } = require('./util');
+
+/**
+ * A.1 Unassigned code points in Unicode 3.2
+ * @link https://tools.ietf.org/html/rfc3454#appendix-A.1
+ */
+const unassigned_code_points = new Set([
+  0x0221,
+  ...range(0x0234, 0x024f),
+  ...range(0x02ae, 0x02af),
+  ...range(0x02ef, 0x02ff),
+  ...range(0x0350, 0x035f),
+  ...range(0x0370, 0x0373),
+  ...range(0x0376, 0x0379),
+  ...range(0x037b, 0x037d),
+  ...range(0x037f, 0x0383),
+  0x038b,
+  0x038d,
+  0x03a2,
+  0x03cf,
+  ...range(0x03f7, 0x03ff),
+  0x0487,
+  0x04cf,
+  ...range(0x04f6, 0x04f7),
+  ...range(0x04fa, 0x04ff),
+  ...range(0x0510, 0x0530),
+  ...range(0x0557, 0x0558),
+  0x0560,
+  0x0588,
+  ...range(0x058b, 0x0590),
+  0x05a2,
+  0x05ba,
+  ...range(0x05c5, 0x05cf),
+  ...range(0x05eb, 0x05ef),
+  ...range(0x05f5, 0x060b),
+  ...range(0x060d, 0x061a),
+  ...range(0x061c, 0x061e),
+  0x0620,
+  ...range(0x063b, 0x063f),
+  ...range(0x0656, 0x065f),
+  ...range(0x06ee, 0x06ef),
+  0x06ff,
+  0x070e,
+  ...range(0x072d, 0x072f),
+  ...range(0x074b, 0x077f),
+  ...range(0x07b2, 0x0900),
+  0x0904,
+  ...range(0x093a, 0x093b),
+  ...range(0x094e, 0x094f),
+  ...range(0x0955, 0x0957),
+  ...range(0x0971, 0x0980),
+  0x0984,
+  ...range(0x098d, 0x098e),
+  ...range(0x0991, 0x0992),
+  0x09a9,
+  0x09b1,
+  ...range(0x09b3, 0x09b5),
+  ...range(0x09ba, 0x09bb),
+  0x09bd,
+  ...range(0x09c5, 0x09c6),
+  ...range(0x09c9, 0x09ca),
+  ...range(0x09ce, 0x09d6),
+  ...range(0x09d8, 0x09db),
+  0x09de,
+  ...range(0x09e4, 0x09e5),
+  ...range(0x09fb, 0x0a01),
+  ...range(0x0a03, 0x0a04),
+  ...range(0x0a0b, 0x0a0e),
+  ...range(0x0a11, 0x0a12),
+  0x0a29,
+  0x0a31,
+  0x0a34,
+  0x0a37,
+  ...range(0x0a3a, 0x0a3b),
+  0x0a3d,
+  ...range(0x0a43, 0x0a46),
+  ...range(0x0a49, 0x0a4a),
+  ...range(0x0a4e, 0x0a58),
+  0x0a5d,
+  ...range(0x0a5f, 0x0a65),
+  ...range(0x0a75, 0x0a80),
+  0x0a84,
+  0x0a8c,
+  0x0a8e,
+  0x0a92,
+  0x0aa9,
+  0x0ab1,
+  0x0ab4,
+  ...range(0x0aba, 0x0abb),
+  0x0ac6,
+  0x0aca,
+  ...range(0x0ace, 0x0acf),
+  ...range(0x0ad1, 0x0adf),
+  ...range(0x0ae1, 0x0ae5),
+  ...range(0x0af0, 0x0b00),
+  0x0b04,
+  ...range(0x0b0d, 0x0b0e),
+  ...range(0x0b11, 0x0b12),
+  0x0b29,
+  0x0b31,
+  ...range(0x0b34, 0x0b35),
+  ...range(0x0b3a, 0x0b3b),
+  ...range(0x0b44, 0x0b46),
+  ...range(0x0b49, 0x0b4a),
+  ...range(0x0b4e, 0x0b55),
+  ...range(0x0b58, 0x0b5b),
+  0x0b5e,
+  ...range(0x0b62, 0x0b65),
+  ...range(0x0b71, 0x0b81),
+  0x0b84,
+  ...range(0x0b8b, 0x0b8d),
+  0x0b91,
+  ...range(0x0b96, 0x0b98),
+  0x0b9b,
+  0x0b9d,
+  ...range(0x0ba0, 0x0ba2),
+  ...range(0x0ba5, 0x0ba7),
+  ...range(0x0bab, 0x0bad),
+  0x0bb6,
+  ...range(0x0bba, 0x0bbd),
+  ...range(0x0bc3, 0x0bc5),
+  0x0bc9,
+  ...range(0x0bce, 0x0bd6),
+  ...range(0x0bd8, 0x0be6),
+  ...range(0x0bf3, 0x0c00),
+  0x0c04,
+  0x0c0d,
+  0x0c11,
+  0x0c29,
+  0x0c34,
+  ...range(0x0c3a, 0x0c3d),
+  0x0c45,
+  0x0c49,
+  ...range(0x0c4e, 0x0c54),
+  ...range(0x0c57, 0x0c5f),
+  ...range(0x0c62, 0x0c65),
+  ...range(0x0c70, 0x0c81),
+  0x0c84,
+  0x0c8d,
+  0x0c91,
+  0x0ca9,
+  0x0cb4,
+  ...range(0x0cba, 0x0cbd),
+  0x0cc5,
+  0x0cc9,
+  ...range(0x0cce, 0x0cd4),
+  ...range(0x0cd7, 0x0cdd),
+  0x0cdf,
+  ...range(0x0ce2, 0x0ce5),
+  ...range(0x0cf0, 0x0d01),
+  0x0d04,
+  0x0d0d,
+  0x0d11,
+  0x0d29,
+  ...range(0x0d3a, 0x0d3d),
+  ...range(0x0d44, 0x0d45),
+  0x0d49,
+  ...range(0x0d4e, 0x0d56),
+  ...range(0x0d58, 0x0d5f),
+  ...range(0x0d62, 0x0d65),
+  ...range(0x0d70, 0x0d81),
+  0x0d84,
+  ...range(0x0d97, 0x0d99),
+  0x0db2,
+  0x0dbc,
+  ...range(0x0dbe, 0x0dbf),
+  ...range(0x0dc7, 0x0dc9),
+  ...range(0x0dcb, 0x0dce),
+  0x0dd5,
+  0x0dd7,
+  ...range(0x0de0, 0x0df1),
+  ...range(0x0df5, 0x0e00),
+  ...range(0x0e3b, 0x0e3e),
+  ...range(0x0e5c, 0x0e80),
+  0x0e83,
+  ...range(0x0e85, 0x0e86),
+  0x0e89,
+  ...range(0x0e8b, 0x0e8c),
+  ...range(0x0e8e, 0x0e93),
+  0x0e98,
+  0x0ea0,
+  0x0ea4,
+  0x0ea6,
+  ...range(0x0ea8, 0x0ea9),
+  0x0eac,
+  0x0eba,
+  ...range(0x0ebe, 0x0ebf),
+  0x0ec5,
+  0x0ec7,
+  ...range(0x0ece, 0x0ecf),
+  ...range(0x0eda, 0x0edb),
+  ...range(0x0ede, 0x0eff),
+  0x0f48,
+  ...range(0x0f6b, 0x0f70),
+  ...range(0x0f8c, 0x0f8f),
+  0x0f98,
+  0x0fbd,
+  ...range(0x0fcd, 0x0fce),
+  ...range(0x0fd0, 0x0fff),
+  0x1022,
+  0x1028,
+  0x102b,
+  ...range(0x1033, 0x1035),
+  ...range(0x103a, 0x103f),
+  ...range(0x105a, 0x109f),
+  ...range(0x10c6, 0x10cf),
+  ...range(0x10f9, 0x10fa),
+  ...range(0x10fc, 0x10ff),
+  ...range(0x115a, 0x115e),
+  ...range(0x11a3, 0x11a7),
+  ...range(0x11fa, 0x11ff),
+  0x1207,
+  0x1247,
+  0x1249,
+  ...range(0x124e, 0x124f),
+  0x1257,
+  0x1259,
+  ...range(0x125e, 0x125f),
+  0x1287,
+  0x1289,
+  ...range(0x128e, 0x128f),
+  0x12af,
+  0x12b1,
+  ...range(0x12b6, 0x12b7),
+  0x12bf,
+  0x12c1,
+  ...range(0x12c6, 0x12c7),
+  0x12cf,
+  0x12d7,
+  0x12ef,
+  0x130f,
+  0x1311,
+  ...range(0x1316, 0x1317),
+  0x131f,
+  0x1347,
+  ...range(0x135b, 0x1360),
+  ...range(0x137d, 0x139f),
+  ...range(0x13f5, 0x1400),
+  ...range(0x1677, 0x167f),
+  ...range(0x169d, 0x169f),
+  ...range(0x16f1, 0x16ff),
+  0x170d,
+  ...range(0x1715, 0x171f),
+  ...range(0x1737, 0x173f),
+  ...range(0x1754, 0x175f),
+  0x176d,
+  0x1771,
+  ...range(0x1774, 0x177f),
+  ...range(0x17dd, 0x17df),
+  ...range(0x17ea, 0x17ff),
+  0x180f,
+  ...range(0x181a, 0x181f),
+  ...range(0x1878, 0x187f),
+  ...range(0x18aa, 0x1dff),
+  ...range(0x1e9c, 0x1e9f),
+  ...range(0x1efa, 0x1eff),
+  ...range(0x1f16, 0x1f17),
+  ...range(0x1f1e, 0x1f1f),
+  ...range(0x1f46, 0x1f47),
+  ...range(0x1f4e, 0x1f4f),
+  0x1f58,
+  0x1f5a,
+  0x1f5c,
+  0x1f5e,
+  ...range(0x1f7e, 0x1f7f),
+  0x1fb5,
+  0x1fc5,
+  ...range(0x1fd4, 0x1fd5),
+  0x1fdc,
+  ...range(0x1ff0, 0x1ff1),
+  0x1ff5,
+  0x1fff,
+  ...range(0x2053, 0x2056),
+  ...range(0x2058, 0x205e),
+  ...range(0x2064, 0x2069),
+  ...range(0x2072, 0x2073),
+  ...range(0x208f, 0x209f),
+  ...range(0x20b2, 0x20cf),
+  ...range(0x20eb, 0x20ff),
+  ...range(0x213b, 0x213c),
+  ...range(0x214c, 0x2152),
+  ...range(0x2184, 0x218f),
+  ...range(0x23cf, 0x23ff),
+  ...range(0x2427, 0x243f),
+  ...range(0x244b, 0x245f),
+  0x24ff,
+  ...range(0x2614, 0x2615),
+  0x2618,
+  ...range(0x267e, 0x267f),
+  ...range(0x268a, 0x2700),
+  0x2705,
+  ...range(0x270a, 0x270b),
+  0x2728,
+  0x274c,
+  0x274e,
+  ...range(0x2753, 0x2755),
+  0x2757,
+  ...range(0x275f, 0x2760),
+  ...range(0x2795, 0x2797),
+  0x27b0,
+  ...range(0x27bf, 0x27cf),
+  ...range(0x27ec, 0x27ef),
+  ...range(0x2b00, 0x2e7f),
+  0x2e9a,
+  ...range(0x2ef4, 0x2eff),
+  ...range(0x2fd6, 0x2fef),
+  ...range(0x2ffc, 0x2fff),
+  0x3040,
+  ...range(0x3097, 0x3098),
+  ...range(0x3100, 0x3104),
+  ...range(0x312d, 0x3130),
+  0x318f,
+  ...range(0x31b8, 0x31ef),
+  ...range(0x321d, 0x321f),
+  ...range(0x3244, 0x3250),
+  ...range(0x327c, 0x327e),
+  ...range(0x32cc, 0x32cf),
+  0x32ff,
+  ...range(0x3377, 0x337a),
+  ...range(0x33de, 0x33df),
+  0x33ff,
+  ...range(0x4db6, 0x4dff),
+  ...range(0x9fa6, 0x9fff),
+  ...range(0xa48d, 0xa48f),
+  ...range(0xa4c7, 0xabff),
+  ...range(0xd7a4, 0xd7ff),
+  ...range(0xfa2e, 0xfa2f),
+  ...range(0xfa6b, 0xfaff),
+  ...range(0xfb07, 0xfb12),
+  ...range(0xfb18, 0xfb1c),
+  0xfb37,
+  0xfb3d,
+  0xfb3f,
+  0xfb42,
+  0xfb45,
+  ...range(0xfbb2, 0xfbd2),
+  ...range(0xfd40, 0xfd4f),
+  ...range(0xfd90, 0xfd91),
+  ...range(0xfdc8, 0xfdcf),
+  ...range(0xfdfd, 0xfdff),
+  ...range(0xfe10, 0xfe1f),
+  ...range(0xfe24, 0xfe2f),
+  ...range(0xfe47, 0xfe48),
+  0xfe53,
+  0xfe67,
+  ...range(0xfe6c, 0xfe6f),
+  0xfe75,
+  ...range(0xfefd, 0xfefe),
+  0xff00,
+  ...range(0xffbf, 0xffc1),
+  ...range(0xffc8, 0xffc9),
+  ...range(0xffd0, 0xffd1),
+  ...range(0xffd8, 0xffd9),
+  ...range(0xffdd, 0xffdf),
+  0xffe7,
+  ...range(0xffef, 0xfff8),
+  ...range(0x10000, 0x102ff),
+  0x1031f,
+  ...range(0x10324, 0x1032f),
+  ...range(0x1034b, 0x103ff),
+  ...range(0x10426, 0x10427),
+  ...range(0x1044e, 0x1cfff),
+  ...range(0x1d0f6, 0x1d0ff),
+  ...range(0x1d127, 0x1d129),
+  ...range(0x1d1de, 0x1d3ff),
+  0x1d455,
+  0x1d49d,
+  ...range(0x1d4a0, 0x1d4a1),
+  ...range(0x1d4a3, 0x1d4a4),
+  ...range(0x1d4a7, 0x1d4a8),
+  0x1d4ad,
+  0x1d4ba,
+  0x1d4bc,
+  0x1d4c1,
+  0x1d4c4,
+  0x1d506,
+  ...range(0x1d50b, 0x1d50c),
+  0x1d515,
+  0x1d51d,
+  0x1d53a,
+  0x1d53f,
+  0x1d545,
+  ...range(0x1d547, 0x1d549),
+  0x1d551,
+  ...range(0x1d6a4, 0x1d6a7),
+  ...range(0x1d7ca, 0x1d7cd),
+  ...range(0x1d800, 0x1fffd),
+  ...range(0x2a6d7, 0x2f7ff),
+  ...range(0x2fa1e, 0x2fffd),
+  ...range(0x30000, 0x3fffd),
+  ...range(0x40000, 0x4fffd),
+  ...range(0x50000, 0x5fffd),
+  ...range(0x60000, 0x6fffd),
+  ...range(0x70000, 0x7fffd),
+  ...range(0x80000, 0x8fffd),
+  ...range(0x90000, 0x9fffd),
+  ...range(0xa0000, 0xafffd),
+  ...range(0xb0000, 0xbfffd),
+  ...range(0xc0000, 0xcfffd),
+  ...range(0xd0000, 0xdfffd),
+  0xe0000,
+  ...range(0xe0002, 0xe001f),
+  ...range(0xe0080, 0xefffd),
+]);
+
+/**
+ * B.1 Commonly mapped to nothing
+ * @link https://tools.ietf.org/html/rfc3454#appendix-B.1
+ */
+const commonly_mapped_to_nothing = new Set([
+  0x00ad,
+  0x034f,
+  0x1806,
+  0x180b,
+  0x180c,
+  0x180d,
+  0x200b,
+  0x200c,
+  0x200d,
+  0x2060,
+  0xfe00,
+  0xfe01,
+  0xfe02,
+  0xfe03,
+  0xfe04,
+  0xfe05,
+  0xfe06,
+  0xfe07,
+  0xfe08,
+  0xfe09,
+  0xfe0a,
+  0xfe0b,
+  0xfe0c,
+  0xfe0d,
+  0xfe0e,
+  0xfe0f,
+  0xfeff,
+]);
+
+/**
+ * C.1.2 Non-ASCII space characters
+ * @link https://tools.ietf.org/html/rfc3454#appendix-C.1.2
+ */
+const non_ASCII_space_characters = new Set([
+  0x00a0 /* NO-BREAK SPACE */,
+  0x1680 /* OGHAM SPACE MARK */,
+  0x2000 /* EN QUAD */,
+  0x2001 /* EM QUAD */,
+  0x2002 /* EN SPACE */,
+  0x2003 /* EM SPACE */,
+  0x2004 /* THREE-PER-EM SPACE */,
+  0x2005 /* FOUR-PER-EM SPACE */,
+  0x2006 /* SIX-PER-EM SPACE */,
+  0x2007 /* FIGURE SPACE */,
+  0x2008 /* PUNCTUATION SPACE */,
+  0x2009 /* THIN SPACE */,
+  0x200a /* HAIR SPACE */,
+  0x200b /* ZERO WIDTH SPACE */,
+  0x202f /* NARROW NO-BREAK SPACE */,
+  0x205f /* MEDIUM MATHEMATICAL SPACE */,
+  0x3000 /* IDEOGRAPHIC SPACE */,
+]);
+
+/**
+ * 2.3.  Prohibited Output
+ * @type {Set}
+ */
+const prohibited_characters = new Set([
+  ...non_ASCII_space_characters,
+
+  /**
+   * C.2.1 ASCII control characters
+   * @link https://tools.ietf.org/html/rfc3454#appendix-C.2.1
+   */
+  ...range(0, 0x001f) /* [CONTROL CHARACTERS] */,
+  0x007f /* DELETE */,
+
+  /**
+   * C.2.2 Non-ASCII control characters
+   * @link https://tools.ietf.org/html/rfc3454#appendix-C.2.2
+   */
+  ...range(0x0080, 0x009f) /* [CONTROL CHARACTERS] */,
+  0x06dd /* ARABIC END OF AYAH */,
+  0x070f /* SYRIAC ABBREVIATION MARK */,
+  0x180e /* MONGOLIAN VOWEL SEPARATOR */,
+  0x200c /* ZERO WIDTH NON-JOINER */,
+  0x200d /* ZERO WIDTH JOINER */,
+  0x2028 /* LINE SEPARATOR */,
+  0x2029 /* PARAGRAPH SEPARATOR */,
+  0x2060 /* WORD JOINER */,
+  0x2061 /* FUNCTION APPLICATION */,
+  0x2062 /* INVISIBLE TIMES */,
+  0x2063 /* INVISIBLE SEPARATOR */,
+  ...range(0x206a, 0x206f) /* [CONTROL CHARACTERS] */,
+  0xfeff /* ZERO WIDTH NO-BREAK SPACE */,
+  ...range(0xfff9, 0xfffc) /* [CONTROL CHARACTERS] */,
+  ...range(0x1d173, 0x1d17a) /* [MUSICAL CONTROL CHARACTERS] */,
+
+  /**
+   * C.3 Private use
+   * @link https://tools.ietf.org/html/rfc3454#appendix-C.3
+   */
+  ...range(0xe000, 0xf8ff) /* [PRIVATE USE, PLANE 0] */,
+  ...range(0xf0000, 0xffffd) /* [PRIVATE USE, PLANE 15] */,
+  ...range(0x100000, 0x10fffd) /* [PRIVATE USE, PLANE 16] */,
+
+  /**
+   * C.4 Non-character code points
+   * @link https://tools.ietf.org/html/rfc3454#appendix-C.4
+   */
+  ...range(0xfdd0, 0xfdef) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0xfffe, 0xffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0x1fffe, 0x1ffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0x2fffe, 0x2ffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0x3fffe, 0x3ffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0x4fffe, 0x4ffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0x5fffe, 0x5ffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0x6fffe, 0x6ffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0x7fffe, 0x7ffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0x8fffe, 0x8ffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0x9fffe, 0x9ffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0xafffe, 0xaffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0xbfffe, 0xbffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0xcfffe, 0xcffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0xdfffe, 0xdffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0xefffe, 0xeffff) /* [NONCHARACTER CODE POINTS] */,
+  ...range(0x10fffe, 0x10ffff) /* [NONCHARACTER CODE POINTS] */,
+
+  /**
+   * C.5 Surrogate codes
+   * @link https://tools.ietf.org/html/rfc3454#appendix-C.5
+   */
+  ...range(0xd800, 0xdfff),
+
+  /**
+   * C.6 Inappropriate for plain text
+   * @link https://tools.ietf.org/html/rfc3454#appendix-C.6
+   */
+  0xfff9 /* INTERLINEAR ANNOTATION ANCHOR */,
+  0xfffa /* INTERLINEAR ANNOTATION SEPARATOR */,
+  0xfffb /* INTERLINEAR ANNOTATION TERMINATOR */,
+  0xfffc /* OBJECT REPLACEMENT CHARACTER */,
+  0xfffd /* REPLACEMENT CHARACTER */,
+
+  /**
+   * C.7 Inappropriate for canonical representation
+   * @link https://tools.ietf.org/html/rfc3454#appendix-C.7
+   */
+  ...range(0x2ff0, 0x2ffb) /* [IDEOGRAPHIC DESCRIPTION CHARACTERS] */,
+
+  /**
+   * C.8 Change display properties or are deprecated
+   * @link https://tools.ietf.org/html/rfc3454#appendix-C.8
+   */
+  0x0340 /* COMBINING GRAVE TONE MARK */,
+  0x0341 /* COMBINING ACUTE TONE MARK */,
+  0x200e /* LEFT-TO-RIGHT MARK */,
+  0x200f /* RIGHT-TO-LEFT MARK */,
+  0x202a /* LEFT-TO-RIGHT EMBEDDING */,
+  0x202b /* RIGHT-TO-LEFT EMBEDDING */,
+  0x202c /* POP DIRECTIONAL FORMATTING */,
+  0x202d /* LEFT-TO-RIGHT OVERRIDE */,
+  0x202e /* RIGHT-TO-LEFT OVERRIDE */,
+  0x206a /* INHIBIT SYMMETRIC SWAPPING */,
+  0x206b /* ACTIVATE SYMMETRIC SWAPPING */,
+  0x206c /* INHIBIT ARABIC FORM SHAPING */,
+  0x206d /* ACTIVATE ARABIC FORM SHAPING */,
+  0x206e /* NATIONAL DIGIT SHAPES */,
+  0x206f /* NOMINAL DIGIT SHAPES */,
+
+  /**
+   * C.9 Tagging characters
+   * @link https://tools.ietf.org/html/rfc3454#appendix-C.9
+   */
+  0xe0001 /* LANGUAGE TAG */,
+  ...range(0xe0020, 0xe007f) /* [TAGGING CHARACTERS] */,
+]);
+
+/**
+ * D.1 Characters with bidirectional property "R" or "AL"
+ * @link https://tools.ietf.org/html/rfc3454#appendix-D.1
+ */
+const bidirectional_r_al = new Set([
+  0x05be,
+  0x05c0,
+  0x05c3,
+  ...range(0x05d0, 0x05ea),
+  ...range(0x05f0, 0x05f4),
+  0x061b,
+  0x061f,
+  ...range(0x0621, 0x063a),
+  ...range(0x0640, 0x064a),
+  ...range(0x066d, 0x066f),
+  ...range(0x0671, 0x06d5),
+  0x06dd,
+  ...range(0x06e5, 0x06e6),
+  ...range(0x06fa, 0x06fe),
+  ...range(0x0700, 0x070d),
+  0x0710,
+  ...range(0x0712, 0x072c),
+  ...range(0x0780, 0x07a5),
+  0x07b1,
+  0x200f,
+  0xfb1d,
+  ...range(0xfb1f, 0xfb28),
+  ...range(0xfb2a, 0xfb36),
+  ...range(0xfb38, 0xfb3c),
+  0xfb3e,
+  ...range(0xfb40, 0xfb41),
+  ...range(0xfb43, 0xfb44),
+  ...range(0xfb46, 0xfbb1),
+  ...range(0xfbd3, 0xfd3d),
+  ...range(0xfd50, 0xfd8f),
+  ...range(0xfd92, 0xfdc7),
+  ...range(0xfdf0, 0xfdfc),
+  ...range(0xfe70, 0xfe74),
+  ...range(0xfe76, 0xfefc),
+]);
+
+/**
+ * D.2 Characters with bidirectional property "L"
+ * @link https://tools.ietf.org/html/rfc3454#appendix-D.2
+ */
+const bidirectional_l = new Set([
+  ...range(0x0041, 0x005a),
+  ...range(0x0061, 0x007a),
+  0x00aa,
+  0x00b5,
+  0x00ba,
+  ...range(0x00c0, 0x00d6),
+  ...range(0x00d8, 0x00f6),
+  ...range(0x00f8, 0x0220),
+  ...range(0x0222, 0x0233),
+  ...range(0x0250, 0x02ad),
+  ...range(0x02b0, 0x02b8),
+  ...range(0x02bb, 0x02c1),
+  ...range(0x02d0, 0x02d1),
+  ...range(0x02e0, 0x02e4),
+  0x02ee,
+  0x037a,
+  0x0386,
+  ...range(0x0388, 0x038a),
+  0x038c,
+  ...range(0x038e, 0x03a1),
+  ...range(0x03a3, 0x03ce),
+  ...range(0x03d0, 0x03f5),
+  ...range(0x0400, 0x0482),
+  ...range(0x048a, 0x04ce),
+  ...range(0x04d0, 0x04f5),
+  ...range(0x04f8, 0x04f9),
+  ...range(0x0500, 0x050f),
+  ...range(0x0531, 0x0556),
+  ...range(0x0559, 0x055f),
+  ...range(0x0561, 0x0587),
+  0x0589,
+  0x0903,
+  ...range(0x0905, 0x0939),
+  ...range(0x093d, 0x0940),
+  ...range(0x0949, 0x094c),
+  0x0950,
+  ...range(0x0958, 0x0961),
+  ...range(0x0964, 0x0970),
+  ...range(0x0982, 0x0983),
+  ...range(0x0985, 0x098c),
+  ...range(0x098f, 0x0990),
+  ...range(0x0993, 0x09a8),
+  ...range(0x09aa, 0x09b0),
+  0x09b2,
+  ...range(0x09b6, 0x09b9),
+  ...range(0x09be, 0x09c0),
+  ...range(0x09c7, 0x09c8),
+  ...range(0x09cb, 0x09cc),
+  0x09d7,
+  ...range(0x09dc, 0x09dd),
+  ...range(0x09df, 0x09e1),
+  ...range(0x09e6, 0x09f1),
+  ...range(0x09f4, 0x09fa),
+  ...range(0x0a05, 0x0a0a),
+  ...range(0x0a0f, 0x0a10),
+  ...range(0x0a13, 0x0a28),
+  ...range(0x0a2a, 0x0a30),
+  ...range(0x0a32, 0x0a33),
+  ...range(0x0a35, 0x0a36),
+  ...range(0x0a38, 0x0a39),
+  ...range(0x0a3e, 0x0a40),
+  ...range(0x0a59, 0x0a5c),
+  0x0a5e,
+  ...range(0x0a66, 0x0a6f),
+  ...range(0x0a72, 0x0a74),
+  0x0a83,
+  ...range(0x0a85, 0x0a8b),
+  0x0a8d,
+  ...range(0x0a8f, 0x0a91),
+  ...range(0x0a93, 0x0aa8),
+  ...range(0x0aaa, 0x0ab0),
+  ...range(0x0ab2, 0x0ab3),
+  ...range(0x0ab5, 0x0ab9),
+  ...range(0x0abd, 0x0ac0),
+  0x0ac9,
+  ...range(0x0acb, 0x0acc),
+  0x0ad0,
+  0x0ae0,
+  ...range(0x0ae6, 0x0aef),
+  ...range(0x0b02, 0x0b03),
+  ...range(0x0b05, 0x0b0c),
+  ...range(0x0b0f, 0x0b10),
+  ...range(0x0b13, 0x0b28),
+  ...range(0x0b2a, 0x0b30),
+  ...range(0x0b32, 0x0b33),
+  ...range(0x0b36, 0x0b39),
+  ...range(0x0b3d, 0x0b3e),
+  0x0b40,
+  ...range(0x0b47, 0x0b48),
+  ...range(0x0b4b, 0x0b4c),
+  0x0b57,
+  ...range(0x0b5c, 0x0b5d),
+  ...range(0x0b5f, 0x0b61),
+  ...range(0x0b66, 0x0b70),
+  0x0b83,
+  ...range(0x0b85, 0x0b8a),
+  ...range(0x0b8e, 0x0b90),
+  ...range(0x0b92, 0x0b95),
+  ...range(0x0b99, 0x0b9a),
+  0x0b9c,
+  ...range(0x0b9e, 0x0b9f),
+  ...range(0x0ba3, 0x0ba4),
+  ...range(0x0ba8, 0x0baa),
+  ...range(0x0bae, 0x0bb5),
+  ...range(0x0bb7, 0x0bb9),
+  ...range(0x0bbe, 0x0bbf),
+  ...range(0x0bc1, 0x0bc2),
+  ...range(0x0bc6, 0x0bc8),
+  ...range(0x0bca, 0x0bcc),
+  0x0bd7,
+  ...range(0x0be7, 0x0bf2),
+  ...range(0x0c01, 0x0c03),
+  ...range(0x0c05, 0x0c0c),
+  ...range(0x0c0e, 0x0c10),
+  ...range(0x0c12, 0x0c28),
+  ...range(0x0c2a, 0x0c33),
+  ...range(0x0c35, 0x0c39),
+  ...range(0x0c41, 0x0c44),
+  ...range(0x0c60, 0x0c61),
+  ...range(0x0c66, 0x0c6f),
+  ...range(0x0c82, 0x0c83),
+  ...range(0x0c85, 0x0c8c),
+  ...range(0x0c8e, 0x0c90),
+  ...range(0x0c92, 0x0ca8),
+  ...range(0x0caa, 0x0cb3),
+  ...range(0x0cb5, 0x0cb9),
+  0x0cbe,
+  ...range(0x0cc0, 0x0cc4),
+  ...range(0x0cc7, 0x0cc8),
+  ...range(0x0cca, 0x0ccb),
+  ...range(0x0cd5, 0x0cd6),
+  0x0cde,
+  ...range(0x0ce0, 0x0ce1),
+  ...range(0x0ce6, 0x0cef),
+  ...range(0x0d02, 0x0d03),
+  ...range(0x0d05, 0x0d0c),
+  ...range(0x0d0e, 0x0d10),
+  ...range(0x0d12, 0x0d28),
+  ...range(0x0d2a, 0x0d39),
+  ...range(0x0d3e, 0x0d40),
+  ...range(0x0d46, 0x0d48),
+  ...range(0x0d4a, 0x0d4c),
+  0x0d57,
+  ...range(0x0d60, 0x0d61),
+  ...range(0x0d66, 0x0d6f),
+  ...range(0x0d82, 0x0d83),
+  ...range(0x0d85, 0x0d96),
+  ...range(0x0d9a, 0x0db1),
+  ...range(0x0db3, 0x0dbb),
+  0x0dbd,
+  ...range(0x0dc0, 0x0dc6),
+  ...range(0x0dcf, 0x0dd1),
+  ...range(0x0dd8, 0x0ddf),
+  ...range(0x0df2, 0x0df4),
+  ...range(0x0e01, 0x0e30),
+  ...range(0x0e32, 0x0e33),
+  ...range(0x0e40, 0x0e46),
+  ...range(0x0e4f, 0x0e5b),
+  ...range(0x0e81, 0x0e82),
+  0x0e84,
+  ...range(0x0e87, 0x0e88),
+  0x0e8a,
+  0x0e8d,
+  ...range(0x0e94, 0x0e97),
+  ...range(0x0e99, 0x0e9f),
+  ...range(0x0ea1, 0x0ea3),
+  0x0ea5,
+  0x0ea7,
+  ...range(0x0eaa, 0x0eab),
+  ...range(0x0ead, 0x0eb0),
+  ...range(0x0eb2, 0x0eb3),
+  0x0ebd,
+  ...range(0x0ec0, 0x0ec4),
+  0x0ec6,
+  ...range(0x0ed0, 0x0ed9),
+  ...range(0x0edc, 0x0edd),
+  ...range(0x0f00, 0x0f17),
+  ...range(0x0f1a, 0x0f34),
+  0x0f36,
+  0x0f38,
+  ...range(0x0f3e, 0x0f47),
+  ...range(0x0f49, 0x0f6a),
+  0x0f7f,
+  0x0f85,
+  ...range(0x0f88, 0x0f8b),
+  ...range(0x0fbe, 0x0fc5),
+  ...range(0x0fc7, 0x0fcc),
+  0x0fcf,
+  ...range(0x1000, 0x1021),
+  ...range(0x1023, 0x1027),
+  ...range(0x1029, 0x102a),
+  0x102c,
+  0x1031,
+  0x1038,
+  ...range(0x1040, 0x1057),
+  ...range(0x10a0, 0x10c5),
+  ...range(0x10d0, 0x10f8),
+  0x10fb,
+  ...range(0x1100, 0x1159),
+  ...range(0x115f, 0x11a2),
+  ...range(0x11a8, 0x11f9),
+  ...range(0x1200, 0x1206),
+  ...range(0x1208, 0x1246),
+  0x1248,
+  ...range(0x124a, 0x124d),
+  ...range(0x1250, 0x1256),
+  0x1258,
+  ...range(0x125a, 0x125d),
+  ...range(0x1260, 0x1286),
+  0x1288,
+  ...range(0x128a, 0x128d),
+  ...range(0x1290, 0x12ae),
+  0x12b0,
+  ...range(0x12b2, 0x12b5),
+  ...range(0x12b8, 0x12be),
+  0x12c0,
+  ...range(0x12c2, 0x12c5),
+  ...range(0x12c8, 0x12ce),
+  ...range(0x12d0, 0x12d6),
+  ...range(0x12d8, 0x12ee),
+  ...range(0x12f0, 0x130e),
+  0x1310,
+  ...range(0x1312, 0x1315),
+  ...range(0x1318, 0x131e),
+  ...range(0x1320, 0x1346),
+  ...range(0x1348, 0x135a),
+  ...range(0x1361, 0x137c),
+  ...range(0x13a0, 0x13f4),
+  ...range(0x1401, 0x1676),
+  ...range(0x1681, 0x169a),
+  ...range(0x16a0, 0x16f0),
+  ...range(0x1700, 0x170c),
+  ...range(0x170e, 0x1711),
+  ...range(0x1720, 0x1731),
+  ...range(0x1735, 0x1736),
+  ...range(0x1740, 0x1751),
+  ...range(0x1760, 0x176c),
+  ...range(0x176e, 0x1770),
+  ...range(0x1780, 0x17b6),
+  ...range(0x17be, 0x17c5),
+  ...range(0x17c7, 0x17c8),
+  ...range(0x17d4, 0x17da),
+  0x17dc,
+  ...range(0x17e0, 0x17e9),
+  ...range(0x1810, 0x1819),
+  ...range(0x1820, 0x1877),
+  ...range(0x1880, 0x18a8),
+  ...range(0x1e00, 0x1e9b),
+  ...range(0x1ea0, 0x1ef9),
+  ...range(0x1f00, 0x1f15),
+  ...range(0x1f18, 0x1f1d),
+  ...range(0x1f20, 0x1f45),
+  ...range(0x1f48, 0x1f4d),
+  ...range(0x1f50, 0x1f57),
+  0x1f59,
+  0x1f5b,
+  0x1f5d,
+  ...range(0x1f5f, 0x1f7d),
+  ...range(0x1f80, 0x1fb4),
+  ...range(0x1fb6, 0x1fbc),
+  0x1fbe,
+  ...range(0x1fc2, 0x1fc4),
+  ...range(0x1fc6, 0x1fcc),
+  ...range(0x1fd0, 0x1fd3),
+  ...range(0x1fd6, 0x1fdb),
+  ...range(0x1fe0, 0x1fec),
+  ...range(0x1ff2, 0x1ff4),
+  ...range(0x1ff6, 0x1ffc),
+  0x200e,
+  0x2071,
+  0x207f,
+  0x2102,
+  0x2107,
+  ...range(0x210a, 0x2113),
+  0x2115,
+  ...range(0x2119, 0x211d),
+  0x2124,
+  0x2126,
+  0x2128,
+  ...range(0x212a, 0x212d),
+  ...range(0x212f, 0x2131),
+  ...range(0x2133, 0x2139),
+  ...range(0x213d, 0x213f),
+  ...range(0x2145, 0x2149),
+  ...range(0x2160, 0x2183),
+  ...range(0x2336, 0x237a),
+  0x2395,
+  ...range(0x249c, 0x24e9),
+  ...range(0x3005, 0x3007),
+  ...range(0x3021, 0x3029),
+  ...range(0x3031, 0x3035),
+  ...range(0x3038, 0x303c),
+  ...range(0x3041, 0x3096),
+  ...range(0x309d, 0x309f),
+  ...range(0x30a1, 0x30fa),
+  ...range(0x30fc, 0x30ff),
+  ...range(0x3105, 0x312c),
+  ...range(0x3131, 0x318e),
+  ...range(0x3190, 0x31b7),
+  ...range(0x31f0, 0x321c),
+  ...range(0x3220, 0x3243),
+  ...range(0x3260, 0x327b),
+  ...range(0x327f, 0x32b0),
+  ...range(0x32c0, 0x32cb),
+  ...range(0x32d0, 0x32fe),
+  ...range(0x3300, 0x3376),
+  ...range(0x337b, 0x33dd),
+  ...range(0x33e0, 0x33fe),
+  ...range(0x3400, 0x4db5),
+  ...range(0x4e00, 0x9fa5),
+  ...range(0xa000, 0xa48c),
+  ...range(0xac00, 0xd7a3),
+  ...range(0xd800, 0xfa2d),
+  ...range(0xfa30, 0xfa6a),
+  ...range(0xfb00, 0xfb06),
+  ...range(0xfb13, 0xfb17),
+  ...range(0xff21, 0xff3a),
+  ...range(0xff41, 0xff5a),
+  ...range(0xff66, 0xffbe),
+  ...range(0xffc2, 0xffc7),
+  ...range(0xffca, 0xffcf),
+  ...range(0xffd2, 0xffd7),
+  ...range(0xffda, 0xffdc),
+  ...range(0x10300, 0x1031e),
+  ...range(0x10320, 0x10323),
+  ...range(0x10330, 0x1034a),
+  ...range(0x10400, 0x10425),
+  ...range(0x10428, 0x1044d),
+  ...range(0x1d000, 0x1d0f5),
+  ...range(0x1d100, 0x1d126),
+  ...range(0x1d12a, 0x1d166),
+  ...range(0x1d16a, 0x1d172),
+  ...range(0x1d183, 0x1d184),
+  ...range(0x1d18c, 0x1d1a9),
+  ...range(0x1d1ae, 0x1d1dd),
+  ...range(0x1d400, 0x1d454),
+  ...range(0x1d456, 0x1d49c),
+  ...range(0x1d49e, 0x1d49f),
+  0x1d4a2,
+  ...range(0x1d4a5, 0x1d4a6),
+  ...range(0x1d4a9, 0x1d4ac),
+  ...range(0x1d4ae, 0x1d4b9),
+  0x1d4bb,
+  ...range(0x1d4bd, 0x1d4c0),
+  ...range(0x1d4c2, 0x1d4c3),
+  ...range(0x1d4c5, 0x1d505),
+  ...range(0x1d507, 0x1d50a),
+  ...range(0x1d50d, 0x1d514),
+  ...range(0x1d516, 0x1d51c),
+  ...range(0x1d51e, 0x1d539),
+  ...range(0x1d53b, 0x1d53e),
+  ...range(0x1d540, 0x1d544),
+  0x1d546,
+  ...range(0x1d54a, 0x1d550),
+  ...range(0x1d552, 0x1d6a3),
+  ...range(0x1d6a8, 0x1d7c9),
+  ...range(0x20000, 0x2a6d6),
+  ...range(0x2f800, 0x2fa1d),
+  ...range(0xf0000, 0xffffd),
+  ...range(0x100000, 0x10fffd),
+]);
+
+module.exports = {
+  unassigned_code_points,
+  commonly_mapped_to_nothing,
+  non_ASCII_space_characters,
+  prohibited_characters,
+  bidirectional_r_al,
+  bidirectional_l,
+};
diff --git a/node_modules/saslprep/lib/memory-code-points.js b/node_modules/saslprep/lib/memory-code-points.js
new file mode 100644
index 000000000..cb0289c87
--- /dev/null
+++ b/node_modules/saslprep/lib/memory-code-points.js
@@ -0,0 +1,39 @@
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+const bitfield = require('sparse-bitfield');
+
+/* eslint-disable-next-line security/detect-non-literal-fs-filename */
+const memory = fs.readFileSync(path.resolve(__dirname, '../code-points.mem'));
+let offset = 0;
+
+/**
+ * Loads each code points sequence from buffer.
+ * @returns {bitfield}
+ */
+function read() {
+  const size = memory.readUInt32BE(offset);
+  offset += 4;
+
+  const codepoints = memory.slice(offset, offset + size);
+  offset += size;
+
+  return bitfield({ buffer: codepoints });
+}
+
+const unassigned_code_points = read();
+const commonly_mapped_to_nothing = read();
+const non_ASCII_space_characters = read();
+const prohibited_characters = read();
+const bidirectional_r_al = read();
+const bidirectional_l = read();
+
+module.exports = {
+  unassigned_code_points,
+  commonly_mapped_to_nothing,
+  non_ASCII_space_characters,
+  prohibited_characters,
+  bidirectional_r_al,
+  bidirectional_l,
+};
diff --git a/node_modules/saslprep/lib/util.js b/node_modules/saslprep/lib/util.js
new file mode 100644
index 000000000..506bdc992
--- /dev/null
+++ b/node_modules/saslprep/lib/util.js
@@ -0,0 +1,21 @@
+'use strict';
+
+/**
+ * Create an array of numbers.
+ * @param {number} from
+ * @param {number} to
+ * @returns {number[]}
+ */
+function range(from, to) {
+  // TODO: make this inlined.
+  const list = new Array(to - from + 1);
+
+  for (let i = 0; i < list.length; i += 1) {
+    list[i] = from + i;
+  }
+  return list;
+}
+
+module.exports = {
+  range,
+};
diff --git a/node_modules/saslprep/package.json b/node_modules/saslprep/package.json
new file mode 100644
index 000000000..23c35627b
--- /dev/null
+++ b/node_modules/saslprep/package.json
@@ -0,0 +1,72 @@
+{
+  "name": "saslprep",
+  "version": "1.0.3",
+  "description": "SASLprep: Stringprep Profile for User Names and Passwords, rfc4013.",
+  "main": "index.js",
+  "scripts": {
+    "test": "npm run lint && npm run unit-test",
+    "lint": "npx eslint --quiet .",
+    "unit-test": "npx jest",
+    "gen-code-points": "node generate-code-points.js > code-points.mem"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/reklatsmasters/saslprep.git"
+  },
+  "keywords": [
+    "sasl",
+    "saslprep",
+    "stringprep",
+    "rfc4013",
+    "4013"
+  ],
+  "author": "Dmitry Tsvettsikh <me@reklatsmasters.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/reklatsmasters/saslprep/issues"
+  },
+  "engines": {
+    "node": ">=6"
+  },
+  "homepage": "https://github.com/reklatsmasters/saslprep#readme",
+  "devDependencies": {
+    "@nodertc/eslint-config": "^0.2.1",
+    "eslint": "^5.16.0",
+    "jest": "^23.6.0",
+    "prettier": "^1.14.3"
+  },
+  "dependencies": {
+    "sparse-bitfield": "^3.0.3"
+  },
+  "eslintConfig": {
+    "extends": "@nodertc",
+    "rules": {
+      "camelcase": "off",
+      "no-continue": "off"
+    },
+    "overrides": [
+      {
+        "files": [
+          "test/*.js"
+        ],
+        "env": {
+          "jest": true
+        },
+        "rules": {
+          "require-jsdoc": "off"
+        }
+      }
+    ]
+  },
+  "jest": {
+    "modulePaths": [
+      "<rootDir>"
+    ],
+    "testMatch": [
+      "**/test/*.js"
+    ],
+    "testPathIgnorePatterns": [
+      "<rootDir>/node_modules/"
+    ]
+  }
+}
diff --git a/node_modules/saslprep/readme.md b/node_modules/saslprep/readme.md
new file mode 100644
index 000000000..8ff3d70d7
--- /dev/null
+++ b/node_modules/saslprep/readme.md
@@ -0,0 +1,31 @@
+# saslprep
+[![Build Status](https://travis-ci.org/reklatsmasters/saslprep.svg?branch=master)](https://travis-ci.org/reklatsmasters/saslprep)
+[![npm](https://img.shields.io/npm/v/saslprep.svg)](https://npmjs.org/package/saslprep)
+[![node](https://img.shields.io/node/v/saslprep.svg)](https://npmjs.org/package/saslprep)
+[![license](https://img.shields.io/npm/l/saslprep.svg)](https://npmjs.org/package/saslprep)
+[![downloads](https://img.shields.io/npm/dm/saslprep.svg)](https://npmjs.org/package/saslprep)
+
+Stringprep Profile for User Names and Passwords, [rfc4013](https://tools.ietf.org/html/rfc4013)
+
+### Usage
+
+```js
+const saslprep = require('saslprep')
+
+saslprep('password\u00AD') // password
+saslprep('password\u0007') // Error: prohibited character
+```
+
+### API
+
+##### `saslprep(input: String, opts: Options): String`
+
+Normalize user name or password.
+
+##### `Options.allowUnassigned: bool`
+
+A special behavior for unassigned code points, see https://tools.ietf.org/html/rfc4013#section-2.5. Disabled by default.
+
+## License
+
+MIT, 2017-2019 (c) Dmitriy Tsvettsikh
diff --git a/node_modules/saslprep/test/index.js b/node_modules/saslprep/test/index.js
new file mode 100644
index 000000000..80c71af5e
--- /dev/null
+++ b/node_modules/saslprep/test/index.js
@@ -0,0 +1,76 @@
+'use strict';
+
+const saslprep = require('..');
+
+const chr = String.fromCodePoint;
+
+test('should work with liatin letters', () => {
+  const str = 'user';
+  expect(saslprep(str)).toEqual(str);
+});
+
+test('should work be case preserved', () => {
+  const str = 'USER';
+  expect(saslprep(str)).toEqual(str);
+});
+
+test('should work with high code points (> U+FFFF)', () => {
+  const str = '\uD83D\uDE00';
+  expect(saslprep(str, { allowUnassigned: true })).toEqual(str);
+});
+
+test('should remove `mapped to nothing` characters', () => {
+  expect(saslprep('I\u00ADX')).toEqual('IX');
+});
+
+test('should replace `Non-ASCII space characters` with space', () => {
+  expect(saslprep('a\u00A0b')).toEqual('a\u0020b');
+});
+
+test('should normalize as NFKC', () => {
+  expect(saslprep('\u00AA')).toEqual('a');
+  expect(saslprep('\u2168')).toEqual('IX');
+});
+
+test('should throws when prohibited characters', () => {
+  // C.2.1 ASCII control characters
+  expect(() => saslprep('a\u007Fb')).toThrow();
+
+  // C.2.2 Non-ASCII control characters
+  expect(() => saslprep('a\u06DDb')).toThrow();
+
+  // C.3 Private use
+  expect(() => saslprep('a\uE000b')).toThrow();
+
+  // C.4 Non-character code points
+  expect(() => saslprep(`a${chr(0x1fffe)}b`)).toThrow();
+
+  // C.5 Surrogate codes
+  expect(() => saslprep('a\uD800b')).toThrow();
+
+  // C.6 Inappropriate for plain text
+  expect(() => saslprep('a\uFFF9b')).toThrow();
+
+  // C.7 Inappropriate for canonical representation
+  expect(() => saslprep('a\u2FF0b')).toThrow();
+
+  // C.8 Change display properties or are deprecated
+  expect(() => saslprep('a\u200Eb')).toThrow();
+
+  // C.9 Tagging characters
+  expect(() => saslprep(`a${chr(0xe0001)}b`)).toThrow();
+});
+
+test('should not containt RandALCat and LCat bidi', () => {
+  expect(() => saslprep('a\u06DD\u00AAb')).toThrow();
+});
+
+test('RandALCat should be first and last', () => {
+  expect(() => saslprep('\u0627\u0031\u0628')).not.toThrow();
+  expect(() => saslprep('\u0627\u0031')).toThrow();
+});
+
+test('should handle unassigned code points', () => {
+  expect(() => saslprep('a\u0487')).toThrow();
+  expect(() => saslprep('a\u0487', { allowUnassigned: true })).not.toThrow();
+});
diff --git a/node_modules/saslprep/test/util.js b/node_modules/saslprep/test/util.js
new file mode 100644
index 000000000..355db3f85
--- /dev/null
+++ b/node_modules/saslprep/test/util.js
@@ -0,0 +1,16 @@
+'use strict';
+
+const { setFlagsFromString } = require('v8');
+const { range } = require('../lib/util');
+
+// 984 by default.
+setFlagsFromString('--stack_size=500');
+
+test('should work', () => {
+  const list = range(1, 3);
+  expect(list).toEqual([1, 2, 3]);
+});
+
+test('should work for large ranges', () => {
+  expect(() => range(1, 1e6)).not.toThrow();
+});
diff --git a/node_modules/send/HISTORY.md b/node_modules/send/HISTORY.md
new file mode 100644
index 000000000..a73977494
--- /dev/null
+++ b/node_modules/send/HISTORY.md
@@ -0,0 +1,521 @@
+0.18.0 / 2022-03-23
+===================
+
+  * Fix emitted 416 error missing headers property
+  * Limit the headers removed for 304 response
+  * deps: depd@2.0.0
+    - Replace internal `eval` usage with `Function` constructor
+    - Use instance methods on `process` to check for listeners
+  * deps: destroy@1.2.0
+  * deps: http-errors@2.0.0
+    - deps: depd@2.0.0
+    - deps: statuses@2.0.1
+  * deps: on-finished@2.4.1
+  * deps: statuses@2.0.1
+
+0.17.2 / 2021-12-11
+===================
+
+  * pref: ignore empty http tokens
+  * deps: http-errors@1.8.1
+    - deps: inherits@2.0.4
+    - deps: toidentifier@1.0.1
+    - deps: setprototypeof@1.2.0
+  * deps: ms@2.1.3
+
+0.17.1 / 2019-05-10
+===================
+
+  * Set stricter CSP header in redirect & error responses
+  * deps: range-parser@~1.2.1
+
+0.17.0 / 2019-05-03
+===================
+
+  * deps: http-errors@~1.7.2
+    - Set constructor name when possible
+    - Use `toidentifier` module to make class names
+    - deps: depd@~1.1.2
+    - deps: setprototypeof@1.1.1
+    - deps: statuses@'>= 1.5.0 < 2'
+  * deps: mime@1.6.0
+    - Add extensions for JPEG-2000 images
+    - Add new `font/*` types from IANA
+    - Add WASM mapping
+    - Update `.bdoc` to `application/bdoc`
+    - Update `.bmp` to `image/bmp`
+    - Update `.m4a` to `audio/mp4`
+    - Update `.rtf` to `application/rtf`
+    - Update `.wav` to `audio/wav`
+    - Update `.xml` to `application/xml`
+    - Update generic extensions to `application/octet-stream`:
+      `.deb`, `.dll`, `.dmg`, `.exe`, `.iso`, `.msi`
+    - Use mime-score module to resolve extension conflicts
+  * deps: ms@2.1.1
+    - Add `week`/`w` support
+    - Fix negative number handling
+  * deps: statuses@~1.5.0
+  * perf: remove redundant `path.normalize` call
+
+0.16.2 / 2018-02-07
+===================
+
+  * Fix incorrect end tag in default error & redirects
+  * deps: depd@~1.1.2
+    - perf: remove argument reassignment
+  * deps: encodeurl@~1.0.2
+    - Fix encoding `%` as last character
+  * deps: statuses@~1.4.0
+
+0.16.1 / 2017-09-29
+===================
+
+  * Fix regression in edge-case behavior for empty `path`
+
+0.16.0 / 2017-09-27
+===================
+
+  * Add `immutable` option
+  * Fix missing `</html>` in default error & redirects
+  * Use instance methods on steam to check for listeners
+  * deps: mime@1.4.1
+    - Add 70 new types for file extensions
+    - Set charset as "UTF-8" for .js and .json
+  * perf: improve path validation speed
+
+0.15.6 / 2017-09-22
+===================
+
+  * deps: debug@2.6.9
+  * perf: improve `If-Match` token parsing
+
+0.15.5 / 2017-09-20
+===================
+
+  * deps: etag@~1.8.1
+    - perf: replace regular expression with substring
+  * deps: fresh@0.5.2
+    - Fix handling of modified headers with invalid dates
+    - perf: improve ETag match loop
+    - perf: improve `If-None-Match` token parsing
+
+0.15.4 / 2017-08-05
+===================
+
+  * deps: debug@2.6.8
+  * deps: depd@~1.1.1
+    - Remove unnecessary `Buffer` loading
+  * deps: http-errors@~1.6.2
+    - deps: depd@1.1.1
+
+0.15.3 / 2017-05-16
+===================
+
+  * deps: debug@2.6.7
+    - deps: ms@2.0.0
+  * deps: ms@2.0.0
+
+0.15.2 / 2017-04-26
+===================
+
+  * deps: debug@2.6.4
+    - Fix `DEBUG_MAX_ARRAY_LENGTH`
+    - deps: ms@0.7.3
+  * deps: ms@1.0.0
+
+0.15.1 / 2017-03-04
+===================
+
+  * Fix issue when `Date.parse` does not return `NaN` on invalid date
+  * Fix strict violation in broken environments
+
+0.15.0 / 2017-02-25
+===================
+
+  * Support `If-Match` and `If-Unmodified-Since` headers
+  * Add `res` and `path` arguments to `directory` event
+  * Remove usage of `res._headers` private field
+    - Improves compatibility with Node.js 8 nightly
+  * Send complete HTML document in redirect & error responses
+  * Set default CSP header in redirect & error responses
+  * Use `res.getHeaderNames()` when available
+  * Use `res.headersSent` when available
+  * deps: debug@2.6.1
+    - Allow colors in workers
+    - Deprecated `DEBUG_FD` environment variable set to `3` or higher
+    - Fix error when running under React Native
+    - Use same color for same namespace
+    - deps: ms@0.7.2
+  * deps: etag@~1.8.0
+  * deps: fresh@0.5.0
+    - Fix false detection of `no-cache` request directive
+    - Fix incorrect result when `If-None-Match` has both `*` and ETags
+    - Fix weak `ETag` matching to match spec
+    - perf: delay reading header values until needed
+    - perf: enable strict mode
+    - perf: hoist regular expressions
+    - perf: remove duplicate conditional
+    - perf: remove unnecessary boolean coercions
+    - perf: skip checking modified time if ETag check failed
+    - perf: skip parsing `If-None-Match` when no `ETag` header
+    - perf: use `Date.parse` instead of `new Date`
+  * deps: http-errors@~1.6.1
+    - Make `message` property enumerable for `HttpError`s
+    - deps: setprototypeof@1.0.3
+
+0.14.2 / 2017-01-23
+===================
+
+  * deps: http-errors@~1.5.1
+    - deps: inherits@2.0.3
+    - deps: setprototypeof@1.0.2
+    - deps: statuses@'>= 1.3.1 < 2'
+  * deps: ms@0.7.2
+  * deps: statuses@~1.3.1
+
+0.14.1 / 2016-06-09
+===================
+
+  * Fix redirect error when `path` contains raw non-URL characters
+  * Fix redirect when `path` starts with multiple forward slashes
+
+0.14.0 / 2016-06-06
+===================
+
+  * Add `acceptRanges` option
+  * Add `cacheControl` option
+  * Attempt to combine multiple ranges into single range
+  * Correctly inherit from `Stream` class
+  * Fix `Content-Range` header in 416 responses when using `start`/`end` options
+  * Fix `Content-Range` header missing from default 416 responses
+  * Ignore non-byte `Range` headers
+  * deps: http-errors@~1.5.0
+    - Add `HttpError` export, for `err instanceof createError.HttpError`
+    - Support new code `421 Misdirected Request`
+    - Use `setprototypeof` module to replace `__proto__` setting
+    - deps: inherits@2.0.1
+    - deps: statuses@'>= 1.3.0 < 2'
+    - perf: enable strict mode
+  * deps: range-parser@~1.2.0
+    - Fix incorrectly returning -1 when there is at least one valid range
+    - perf: remove internal function
+  * deps: statuses@~1.3.0
+    - Add `421 Misdirected Request`
+    - perf: enable strict mode
+  * perf: remove argument reassignment
+
+0.13.2 / 2016-03-05
+===================
+
+  * Fix invalid `Content-Type` header when `send.mime.default_type` unset
+
+0.13.1 / 2016-01-16
+===================
+
+  * deps: depd@~1.1.0
+    - Support web browser loading
+    - perf: enable strict mode
+  * deps: destroy@~1.0.4
+    - perf: enable strict mode
+  * deps: escape-html@~1.0.3
+    - perf: enable strict mode
+    - perf: optimize string replacement
+    - perf: use faster string coercion
+  * deps: range-parser@~1.0.3
+    - perf: enable strict mode
+
+0.13.0 / 2015-06-16
+===================
+
+  * Allow Node.js HTTP server to set `Date` response header
+  * Fix incorrectly removing `Content-Location` on 304 response
+  * Improve the default redirect response headers
+  * Send appropriate headers on default error response
+  * Use `http-errors` for standard emitted errors
+  * Use `statuses` instead of `http` module for status messages
+  * deps: escape-html@1.0.2
+  * deps: etag@~1.7.0
+    - Improve stat performance by removing hashing
+  * deps: fresh@0.3.0
+    - Add weak `ETag` matching support
+  * deps: on-finished@~2.3.0
+    - Add defined behavior for HTTP `CONNECT` requests
+    - Add defined behavior for HTTP `Upgrade` requests
+    - deps: ee-first@1.1.1
+  * perf: enable strict mode
+  * perf: remove unnecessary array allocations
+
+0.12.3 / 2015-05-13
+===================
+
+  * deps: debug@~2.2.0
+    - deps: ms@0.7.1
+  * deps: depd@~1.0.1
+  * deps: etag@~1.6.0
+   - Improve support for JXcore
+   - Support "fake" stats objects in environments without `fs`
+  * deps: ms@0.7.1
+    - Prevent extraordinarily long inputs
+  * deps: on-finished@~2.2.1
+
+0.12.2 / 2015-03-13
+===================
+
+  * Throw errors early for invalid `extensions` or `index` options
+  * deps: debug@~2.1.3
+    - Fix high intensity foreground color for bold
+    - deps: ms@0.7.0
+
+0.12.1 / 2015-02-17
+===================
+
+  * Fix regression sending zero-length files
+
+0.12.0 / 2015-02-16
+===================
+
+  * Always read the stat size from the file
+  * Fix mutating passed-in `options`
+  * deps: mime@1.3.4
+
+0.11.1 / 2015-01-20
+===================
+
+  * Fix `root` path disclosure
+
+0.11.0 / 2015-01-05
+===================
+
+  * deps: debug@~2.1.1
+  * deps: etag@~1.5.1
+    - deps: crc@3.2.1
+  * deps: ms@0.7.0
+    - Add `milliseconds`
+    - Add `msecs`
+    - Add `secs`
+    - Add `mins`
+    - Add `hrs`
+    - Add `yrs`
+  * deps: on-finished@~2.2.0
+
+0.10.1 / 2014-10-22
+===================
+
+  * deps: on-finished@~2.1.1
+    - Fix handling of pipelined requests
+
+0.10.0 / 2014-10-15
+===================
+
+  * deps: debug@~2.1.0
+    - Implement `DEBUG_FD` env variable support
+  * deps: depd@~1.0.0
+  * deps: etag@~1.5.0
+    - Improve string performance
+    - Slightly improve speed for weak ETags over 1KB
+
+0.9.3 / 2014-09-24
+==================
+
+  * deps: etag@~1.4.0
+    - Support "fake" stats objects
+
+0.9.2 / 2014-09-15
+==================
+
+  * deps: depd@0.4.5
+  * deps: etag@~1.3.1
+  * deps: range-parser@~1.0.2
+
+0.9.1 / 2014-09-07
+==================
+
+  * deps: fresh@0.2.4
+
+0.9.0 / 2014-09-07
+==================
+
+  * Add `lastModified` option
+  * Use `etag` to generate `ETag` header
+  * deps: debug@~2.0.0
+
+0.8.5 / 2014-09-04
+==================
+
+  * Fix malicious path detection for empty string path
+
+0.8.4 / 2014-09-04
+==================
+
+  * Fix a path traversal issue when using `root`
+
+0.8.3 / 2014-08-16
+==================
+
+  * deps: destroy@1.0.3
+    - renamed from dethroy
+  * deps: on-finished@2.1.0
+
+0.8.2 / 2014-08-14
+==================
+
+  * Work around `fd` leak in Node.js 0.10 for `fs.ReadStream`
+  * deps: dethroy@1.0.2
+
+0.8.1 / 2014-08-05
+==================
+
+  * Fix `extensions` behavior when file already has extension
+
+0.8.0 / 2014-08-05
+==================
+
+  * Add `extensions` option
+
+0.7.4 / 2014-08-04
+==================
+
+  * Fix serving index files without root dir
+
+0.7.3 / 2014-07-29
+==================
+
+  * Fix incorrect 403 on Windows and Node.js 0.11
+
+0.7.2 / 2014-07-27
+==================
+
+  * deps: depd@0.4.4
+    - Work-around v8 generating empty stack traces
+
+0.7.1 / 2014-07-26
+==================
+
+ * deps: depd@0.4.3
+   - Fix exception when global `Error.stackTraceLimit` is too low
+
+0.7.0 / 2014-07-20
+==================
+
+ * Deprecate `hidden` option; use `dotfiles` option
+ * Add `dotfiles` option
+ * deps: debug@1.0.4
+ * deps: depd@0.4.2
+   - Add `TRACE_DEPRECATION` environment variable
+   - Remove non-standard grey color from color output
+   - Support `--no-deprecation` argument
+   - Support `--trace-deprecation` argument
+
+0.6.0 / 2014-07-11
+==================
+
+ * Deprecate `from` option; use `root` option
+ * Deprecate `send.etag()` -- use `etag` in `options`
+ * Deprecate `send.hidden()` -- use `hidden` in `options`
+ * Deprecate `send.index()` -- use `index` in `options`
+ * Deprecate `send.maxage()` -- use `maxAge` in `options`
+ * Deprecate `send.root()` -- use `root` in `options`
+ * Cap `maxAge` value to 1 year
+ * deps: debug@1.0.3
+   - Add support for multiple wildcards in namespaces
+
+0.5.0 / 2014-06-28
+==================
+
+ * Accept string for `maxAge` (converted by `ms`)
+ * Add `headers` event
+ * Include link in default redirect response
+ * Use `EventEmitter.listenerCount` to count listeners
+
+0.4.3 / 2014-06-11
+==================
+
+ * Do not throw un-catchable error on file open race condition
+ * Use `escape-html` for HTML escaping
+ * deps: debug@1.0.2
+   - fix some debugging output colors on node.js 0.8
+ * deps: finished@1.2.2
+ * deps: fresh@0.2.2
+
+0.4.2 / 2014-06-09
+==================
+
+ * fix "event emitter leak" warnings
+ * deps: debug@1.0.1
+ * deps: finished@1.2.1
+
+0.4.1 / 2014-06-02
+==================
+
+ * Send `max-age` in `Cache-Control` in correct format
+
+0.4.0 / 2014-05-27
+==================
+
+ * Calculate ETag with md5 for reduced collisions
+ * Fix wrong behavior when index file matches directory
+ * Ignore stream errors after request ends
+   - Goodbye `EBADF, read`
+ * Skip directories in index file search
+ * deps: debug@0.8.1
+
+0.3.0 / 2014-04-24
+==================
+
+ * Fix sending files with dots without root set
+ * Coerce option types
+ * Accept API options in options object
+ * Set etags to "weak"
+ * Include file path in etag
+ * Make "Can't set headers after they are sent." catchable
+ * Send full entity-body for multi range requests
+ * Default directory access to 403 when index disabled
+ * Support multiple index paths
+ * Support "If-Range" header
+ * Control whether to generate etags
+ * deps: mime@1.2.11
+
+0.2.0 / 2014-01-29
+==================
+
+ * update range-parser and fresh
+
+0.1.4 / 2013-08-11 
+==================
+
+ * update fresh
+
+0.1.3 / 2013-07-08 
+==================
+
+ * Revert "Fix fd leak"
+
+0.1.2 / 2013-07-03 
+==================
+
+ * Fix fd leak
+
+0.1.0 / 2012-08-25 
+==================
+
+  * add options parameter to send() that is passed to fs.createReadStream() [kanongil]
+
+0.0.4 / 2012-08-16 
+==================
+
+  * allow custom "Accept-Ranges" definition
+
+0.0.3 / 2012-07-16 
+==================
+
+  * fix normalization of the root directory. Closes #3
+
+0.0.2 / 2012-07-09 
+==================
+
+  * add passing of req explicitly for now (YUCK)
+
+0.0.1 / 2010-01-03
+==================
+
+  * Initial release
diff --git a/node_modules/send/LICENSE b/node_modules/send/LICENSE
new file mode 100644
index 000000000..b6ea1c1fd
--- /dev/null
+++ b/node_modules/send/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2012 TJ Holowaychuk
+Copyright (c) 2014-2022 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/send/README.md b/node_modules/send/README.md
new file mode 100644
index 000000000..fadf8383c
--- /dev/null
+++ b/node_modules/send/README.md
@@ -0,0 +1,327 @@
+# send
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Linux Build][github-actions-ci-image]][github-actions-ci-url]
+[![Windows Build][appveyor-image]][appveyor-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Send is a library for streaming files from the file system as a http response
+supporting partial responses (Ranges), conditional-GET negotiation (If-Match,
+If-Unmodified-Since, If-None-Match, If-Modified-Since), high test coverage,
+and granular events which may be leveraged to take appropriate actions in your
+application or framework.
+
+Looking to serve up entire folders mapped to URLs? Try [serve-static](https://www.npmjs.org/package/serve-static).
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```bash
+$ npm install send
+```
+
+## API
+
+```js
+var send = require('send')
+```
+
+### send(req, path, [options])
+
+Create a new `SendStream` for the given path to send to a `res`. The `req` is
+the Node.js HTTP request and the `path` is a urlencoded path to send (urlencoded,
+not the actual file-system path).
+
+#### Options
+
+##### acceptRanges
+
+Enable or disable accepting ranged requests, defaults to true.
+Disabling this will not send `Accept-Ranges` and ignore the contents
+of the `Range` request header.
+
+##### cacheControl
+
+Enable or disable setting `Cache-Control` response header, defaults to
+true. Disabling this will ignore the `immutable` and `maxAge` options.
+
+##### dotfiles
+
+Set how "dotfiles" are treated when encountered. A dotfile is a file
+or directory that begins with a dot ("."). Note this check is done on
+the path itself without checking if the path actually exists on the
+disk. If `root` is specified, only the dotfiles above the root are
+checked (i.e. the root itself can be within a dotfile when when set
+to "deny").
+
+  - `'allow'` No special treatment for dotfiles.
+  - `'deny'` Send a 403 for any request for a dotfile.
+  - `'ignore'` Pretend like the dotfile does not exist and 404.
+
+The default value is _similar_ to `'ignore'`, with the exception that
+this default will not ignore the files within a directory that begins
+with a dot, for backward-compatibility.
+
+##### end
+
+Byte offset at which the stream ends, defaults to the length of the file
+minus 1. The end is inclusive in the stream, meaning `end: 3` will include
+the 4th byte in the stream.
+
+##### etag
+
+Enable or disable etag generation, defaults to true.
+
+##### extensions
+
+If a given file doesn't exist, try appending one of the given extensions,
+in the given order. By default, this is disabled (set to `false`). An
+example value that will serve extension-less HTML files: `['html', 'htm']`.
+This is skipped if the requested file already has an extension.
+
+##### immutable
+
+Enable or disable the `immutable` directive in the `Cache-Control` response
+header, defaults to `false`. If set to `true`, the `maxAge` option should
+also be specified to enable caching. The `immutable` directive will prevent
+supported clients from making conditional requests during the life of the
+`maxAge` option to check if the file has changed.
+
+##### index
+
+By default send supports "index.html" files, to disable this
+set `false` or to supply a new index pass a string or an array
+in preferred order.
+
+##### lastModified
+
+Enable or disable `Last-Modified` header, defaults to true. Uses the file
+system's last modified value.
+
+##### maxAge
+
+Provide a max-age in milliseconds for http caching, defaults to 0.
+This can also be a string accepted by the
+[ms](https://www.npmjs.org/package/ms#readme) module.
+
+##### root
+
+Serve files relative to `path`.
+
+##### start
+
+Byte offset at which the stream starts, defaults to 0. The start is inclusive,
+meaning `start: 2` will include the 3rd byte in the stream.
+
+#### Events
+
+The `SendStream` is an event emitter and will emit the following events:
+
+  - `error` an error occurred `(err)`
+  - `directory` a directory was requested `(res, path)`
+  - `file` a file was requested `(path, stat)`
+  - `headers` the headers are about to be set on a file `(res, path, stat)`
+  - `stream` file streaming has started `(stream)`
+  - `end` streaming has completed
+
+#### .pipe
+
+The `pipe` method is used to pipe the response into the Node.js HTTP response
+object, typically `send(req, path, options).pipe(res)`.
+
+### .mime
+
+The `mime` export is the global instance of of the
+[`mime` npm module](https://www.npmjs.com/package/mime).
+
+This is used to configure the MIME types that are associated with file extensions
+as well as other options for how to resolve the MIME type of a file (like the
+default type to use for an unknown file extension).
+
+## Error-handling
+
+By default when no `error` listeners are present an automatic response will be
+made, otherwise you have full control over the response, aka you may show a 5xx
+page etc.
+
+## Caching
+
+It does _not_ perform internal caching, you should use a reverse proxy cache
+such as Varnish for this, or those fancy things called CDNs. If your
+application is small enough that it would benefit from single-node memory
+caching, it's small enough that it does not need caching at all ;).
+
+## Debugging
+
+To enable `debug()` instrumentation output export __DEBUG__:
+
+```
+$ DEBUG=send node app
+```
+
+## Running tests
+
+```
+$ npm install
+$ npm test
+```
+
+## Examples
+
+### Serve a specific file
+
+This simple example will send a specific file to all requests.
+
+```js
+var http = require('http')
+var send = require('send')
+
+var server = http.createServer(function onRequest (req, res) {
+  send(req, '/path/to/index.html')
+    .pipe(res)
+})
+
+server.listen(3000)
+```
+
+### Serve all files from a directory
+
+This simple example will just serve up all the files in a
+given directory as the top-level. For example, a request
+`GET /foo.txt` will send back `/www/public/foo.txt`.
+
+```js
+var http = require('http')
+var parseUrl = require('parseurl')
+var send = require('send')
+
+var server = http.createServer(function onRequest (req, res) {
+  send(req, parseUrl(req).pathname, { root: '/www/public' })
+    .pipe(res)
+})
+
+server.listen(3000)
+```
+
+### Custom file types
+
+```js
+var http = require('http')
+var parseUrl = require('parseurl')
+var send = require('send')
+
+// Default unknown types to text/plain
+send.mime.default_type = 'text/plain'
+
+// Add a custom type
+send.mime.define({
+  'application/x-my-type': ['x-mt', 'x-mtt']
+})
+
+var server = http.createServer(function onRequest (req, res) {
+  send(req, parseUrl(req).pathname, { root: '/www/public' })
+    .pipe(res)
+})
+
+server.listen(3000)
+```
+
+### Custom directory index view
+
+This is a example of serving up a structure of directories with a
+custom function to render a listing of a directory.
+
+```js
+var http = require('http')
+var fs = require('fs')
+var parseUrl = require('parseurl')
+var send = require('send')
+
+// Transfer arbitrary files from within /www/example.com/public/*
+// with a custom handler for directory listing
+var server = http.createServer(function onRequest (req, res) {
+  send(req, parseUrl(req).pathname, { index: false, root: '/www/public' })
+    .once('directory', directory)
+    .pipe(res)
+})
+
+server.listen(3000)
+
+// Custom directory handler
+function directory (res, path) {
+  var stream = this
+
+  // redirect to trailing slash for consistent url
+  if (!stream.hasTrailingSlash()) {
+    return stream.redirect(path)
+  }
+
+  // get directory list
+  fs.readdir(path, function onReaddir (err, list) {
+    if (err) return stream.error(err)
+
+    // render an index for the directory
+    res.setHeader('Content-Type', 'text/plain; charset=UTF-8')
+    res.end(list.join('\n') + '\n')
+  })
+}
+```
+
+### Serving from a root directory with custom error-handling
+
+```js
+var http = require('http')
+var parseUrl = require('parseurl')
+var send = require('send')
+
+var server = http.createServer(function onRequest (req, res) {
+  // your custom error-handling logic:
+  function error (err) {
+    res.statusCode = err.status || 500
+    res.end(err.message)
+  }
+
+  // your custom headers
+  function headers (res, path, stat) {
+    // serve all files for download
+    res.setHeader('Content-Disposition', 'attachment')
+  }
+
+  // your custom directory handling logic:
+  function redirect () {
+    res.statusCode = 301
+    res.setHeader('Location', req.url + '/')
+    res.end('Redirecting to ' + req.url + '/')
+  }
+
+  // transfer arbitrary files from within
+  // /www/example.com/public/*
+  send(req, parseUrl(req).pathname, { root: '/www/public' })
+    .on('error', error)
+    .on('directory', redirect)
+    .on('headers', headers)
+    .pipe(res)
+})
+
+server.listen(3000)
+```
+
+## License
+
+[MIT](LICENSE)
+
+[appveyor-image]: https://badgen.net/appveyor/ci/dougwilson/send/master?label=windows
+[appveyor-url]: https://ci.appveyor.com/project/dougwilson/send
+[coveralls-image]: https://badgen.net/coveralls/c/github/pillarjs/send/master
+[coveralls-url]: https://coveralls.io/r/pillarjs/send?branch=master
+[github-actions-ci-image]: https://badgen.net/github/checks/pillarjs/send/master?label=linux
+[github-actions-ci-url]: https://github.com/pillarjs/send/actions/workflows/ci.yml
+[node-image]: https://badgen.net/npm/node/send
+[node-url]: https://nodejs.org/en/download/
+[npm-downloads-image]: https://badgen.net/npm/dm/send
+[npm-url]: https://npmjs.org/package/send
+[npm-version-image]: https://badgen.net/npm/v/send
diff --git a/node_modules/send/SECURITY.md b/node_modules/send/SECURITY.md
new file mode 100644
index 000000000..46b48f7b0
--- /dev/null
+++ b/node_modules/send/SECURITY.md
@@ -0,0 +1,24 @@
+# Security Policies and Procedures
+
+## Reporting a Bug
+
+The `send` team and community take all security bugs seriously. Thank you
+for improving the security of Express. We appreciate your efforts and
+responsible disclosure and will make every effort to acknowledge your
+contributions.
+
+Report security bugs by emailing the current owner(s) of `send`. This information
+can be found in the npm registry using the command `npm owner ls send`.
+If unsure or unable to get the information from the above, open an issue
+in the [project issue tracker](https://github.com/pillarjs/send/issues)
+asking for the current contact information.
+
+To ensure the timely response to your report, please ensure that the entirety
+of the report is contained within the email body and not solely behind a web
+link or an attachment.
+
+At least one owner will acknowledge your email within 48 hours, and will send a
+more detailed response within 48 hours indicating the next steps in handling
+your report. After the initial reply to your report, the owners will
+endeavor to keep you informed of the progress towards a fix and full
+announcement, and may ask for additional information or guidance.
diff --git a/node_modules/send/index.js b/node_modules/send/index.js
new file mode 100644
index 000000000..89afd7e58
--- /dev/null
+++ b/node_modules/send/index.js
@@ -0,0 +1,1143 @@
+/*!
+ * send
+ * Copyright(c) 2012 TJ Holowaychuk
+ * Copyright(c) 2014-2022 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var createError = require('http-errors')
+var debug = require('debug')('send')
+var deprecate = require('depd')('send')
+var destroy = require('destroy')
+var encodeUrl = require('encodeurl')
+var escapeHtml = require('escape-html')
+var etag = require('etag')
+var fresh = require('fresh')
+var fs = require('fs')
+var mime = require('mime')
+var ms = require('ms')
+var onFinished = require('on-finished')
+var parseRange = require('range-parser')
+var path = require('path')
+var statuses = require('statuses')
+var Stream = require('stream')
+var util = require('util')
+
+/**
+ * Path function references.
+ * @private
+ */
+
+var extname = path.extname
+var join = path.join
+var normalize = path.normalize
+var resolve = path.resolve
+var sep = path.sep
+
+/**
+ * Regular expression for identifying a bytes Range header.
+ * @private
+ */
+
+var BYTES_RANGE_REGEXP = /^ *bytes=/
+
+/**
+ * Maximum value allowed for the max age.
+ * @private
+ */
+
+var MAX_MAXAGE = 60 * 60 * 24 * 365 * 1000 // 1 year
+
+/**
+ * Regular expression to match a path with a directory up component.
+ * @private
+ */
+
+var UP_PATH_REGEXP = /(?:^|[\\/])\.\.(?:[\\/]|$)/
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = send
+module.exports.mime = mime
+
+/**
+ * Return a `SendStream` for `req` and `path`.
+ *
+ * @param {object} req
+ * @param {string} path
+ * @param {object} [options]
+ * @return {SendStream}
+ * @public
+ */
+
+function send (req, path, options) {
+  return new SendStream(req, path, options)
+}
+
+/**
+ * Initialize a `SendStream` with the given `path`.
+ *
+ * @param {Request} req
+ * @param {String} path
+ * @param {object} [options]
+ * @private
+ */
+
+function SendStream (req, path, options) {
+  Stream.call(this)
+
+  var opts = options || {}
+
+  this.options = opts
+  this.path = path
+  this.req = req
+
+  this._acceptRanges = opts.acceptRanges !== undefined
+    ? Boolean(opts.acceptRanges)
+    : true
+
+  this._cacheControl = opts.cacheControl !== undefined
+    ? Boolean(opts.cacheControl)
+    : true
+
+  this._etag = opts.etag !== undefined
+    ? Boolean(opts.etag)
+    : true
+
+  this._dotfiles = opts.dotfiles !== undefined
+    ? opts.dotfiles
+    : 'ignore'
+
+  if (this._dotfiles !== 'ignore' && this._dotfiles !== 'allow' && this._dotfiles !== 'deny') {
+    throw new TypeError('dotfiles option must be "allow", "deny", or "ignore"')
+  }
+
+  this._hidden = Boolean(opts.hidden)
+
+  if (opts.hidden !== undefined) {
+    deprecate('hidden: use dotfiles: \'' + (this._hidden ? 'allow' : 'ignore') + '\' instead')
+  }
+
+  // legacy support
+  if (opts.dotfiles === undefined) {
+    this._dotfiles = undefined
+  }
+
+  this._extensions = opts.extensions !== undefined
+    ? normalizeList(opts.extensions, 'extensions option')
+    : []
+
+  this._immutable = opts.immutable !== undefined
+    ? Boolean(opts.immutable)
+    : false
+
+  this._index = opts.index !== undefined
+    ? normalizeList(opts.index, 'index option')
+    : ['index.html']
+
+  this._lastModified = opts.lastModified !== undefined
+    ? Boolean(opts.lastModified)
+    : true
+
+  this._maxage = opts.maxAge || opts.maxage
+  this._maxage = typeof this._maxage === 'string'
+    ? ms(this._maxage)
+    : Number(this._maxage)
+  this._maxage = !isNaN(this._maxage)
+    ? Math.min(Math.max(0, this._maxage), MAX_MAXAGE)
+    : 0
+
+  this._root = opts.root
+    ? resolve(opts.root)
+    : null
+
+  if (!this._root && opts.from) {
+    this.from(opts.from)
+  }
+}
+
+/**
+ * Inherits from `Stream`.
+ */
+
+util.inherits(SendStream, Stream)
+
+/**
+ * Enable or disable etag generation.
+ *
+ * @param {Boolean} val
+ * @return {SendStream}
+ * @api public
+ */
+
+SendStream.prototype.etag = deprecate.function(function etag (val) {
+  this._etag = Boolean(val)
+  debug('etag %s', this._etag)
+  return this
+}, 'send.etag: pass etag as option')
+
+/**
+ * Enable or disable "hidden" (dot) files.
+ *
+ * @param {Boolean} path
+ * @return {SendStream}
+ * @api public
+ */
+
+SendStream.prototype.hidden = deprecate.function(function hidden (val) {
+  this._hidden = Boolean(val)
+  this._dotfiles = undefined
+  debug('hidden %s', this._hidden)
+  return this
+}, 'send.hidden: use dotfiles option')
+
+/**
+ * Set index `paths`, set to a falsy
+ * value to disable index support.
+ *
+ * @param {String|Boolean|Array} paths
+ * @return {SendStream}
+ * @api public
+ */
+
+SendStream.prototype.index = deprecate.function(function index (paths) {
+  var index = !paths ? [] : normalizeList(paths, 'paths argument')
+  debug('index %o', paths)
+  this._index = index
+  return this
+}, 'send.index: pass index as option')
+
+/**
+ * Set root `path`.
+ *
+ * @param {String} path
+ * @return {SendStream}
+ * @api public
+ */
+
+SendStream.prototype.root = function root (path) {
+  this._root = resolve(String(path))
+  debug('root %s', this._root)
+  return this
+}
+
+SendStream.prototype.from = deprecate.function(SendStream.prototype.root,
+  'send.from: pass root as option')
+
+SendStream.prototype.root = deprecate.function(SendStream.prototype.root,
+  'send.root: pass root as option')
+
+/**
+ * Set max-age to `maxAge`.
+ *
+ * @param {Number} maxAge
+ * @return {SendStream}
+ * @api public
+ */
+
+SendStream.prototype.maxage = deprecate.function(function maxage (maxAge) {
+  this._maxage = typeof maxAge === 'string'
+    ? ms(maxAge)
+    : Number(maxAge)
+  this._maxage = !isNaN(this._maxage)
+    ? Math.min(Math.max(0, this._maxage), MAX_MAXAGE)
+    : 0
+  debug('max-age %d', this._maxage)
+  return this
+}, 'send.maxage: pass maxAge as option')
+
+/**
+ * Emit error with `status`.
+ *
+ * @param {number} status
+ * @param {Error} [err]
+ * @private
+ */
+
+SendStream.prototype.error = function error (status, err) {
+  // emit if listeners instead of responding
+  if (hasListeners(this, 'error')) {
+    return this.emit('error', createHttpError(status, err))
+  }
+
+  var res = this.res
+  var msg = statuses.message[status] || String(status)
+  var doc = createHtmlDocument('Error', escapeHtml(msg))
+
+  // clear existing headers
+  clearHeaders(res)
+
+  // add error headers
+  if (err && err.headers) {
+    setHeaders(res, err.headers)
+  }
+
+  // send basic response
+  res.statusCode = status
+  res.setHeader('Content-Type', 'text/html; charset=UTF-8')
+  res.setHeader('Content-Length', Buffer.byteLength(doc))
+  res.setHeader('Content-Security-Policy', "default-src 'none'")
+  res.setHeader('X-Content-Type-Options', 'nosniff')
+  res.end(doc)
+}
+
+/**
+ * Check if the pathname ends with "/".
+ *
+ * @return {boolean}
+ * @private
+ */
+
+SendStream.prototype.hasTrailingSlash = function hasTrailingSlash () {
+  return this.path[this.path.length - 1] === '/'
+}
+
+/**
+ * Check if this is a conditional GET request.
+ *
+ * @return {Boolean}
+ * @api private
+ */
+
+SendStream.prototype.isConditionalGET = function isConditionalGET () {
+  return this.req.headers['if-match'] ||
+    this.req.headers['if-unmodified-since'] ||
+    this.req.headers['if-none-match'] ||
+    this.req.headers['if-modified-since']
+}
+
+/**
+ * Check if the request preconditions failed.
+ *
+ * @return {boolean}
+ * @private
+ */
+
+SendStream.prototype.isPreconditionFailure = function isPreconditionFailure () {
+  var req = this.req
+  var res = this.res
+
+  // if-match
+  var match = req.headers['if-match']
+  if (match) {
+    var etag = res.getHeader('ETag')
+    return !etag || (match !== '*' && parseTokenList(match).every(function (match) {
+      return match !== etag && match !== 'W/' + etag && 'W/' + match !== etag
+    }))
+  }
+
+  // if-unmodified-since
+  var unmodifiedSince = parseHttpDate(req.headers['if-unmodified-since'])
+  if (!isNaN(unmodifiedSince)) {
+    var lastModified = parseHttpDate(res.getHeader('Last-Modified'))
+    return isNaN(lastModified) || lastModified > unmodifiedSince
+  }
+
+  return false
+}
+
+/**
+ * Strip various content header fields for a change in entity.
+ *
+ * @private
+ */
+
+SendStream.prototype.removeContentHeaderFields = function removeContentHeaderFields () {
+  var res = this.res
+
+  res.removeHeader('Content-Encoding')
+  res.removeHeader('Content-Language')
+  res.removeHeader('Content-Length')
+  res.removeHeader('Content-Range')
+  res.removeHeader('Content-Type')
+}
+
+/**
+ * Respond with 304 not modified.
+ *
+ * @api private
+ */
+
+SendStream.prototype.notModified = function notModified () {
+  var res = this.res
+  debug('not modified')
+  this.removeContentHeaderFields()
+  res.statusCode = 304
+  res.end()
+}
+
+/**
+ * Raise error that headers already sent.
+ *
+ * @api private
+ */
+
+SendStream.prototype.headersAlreadySent = function headersAlreadySent () {
+  var err = new Error('Can\'t set headers after they are sent.')
+  debug('headers already sent')
+  this.error(500, err)
+}
+
+/**
+ * Check if the request is cacheable, aka
+ * responded with 2xx or 304 (see RFC 2616 section 14.2{5,6}).
+ *
+ * @return {Boolean}
+ * @api private
+ */
+
+SendStream.prototype.isCachable = function isCachable () {
+  var statusCode = this.res.statusCode
+  return (statusCode >= 200 && statusCode < 300) ||
+    statusCode === 304
+}
+
+/**
+ * Handle stat() error.
+ *
+ * @param {Error} error
+ * @private
+ */
+
+SendStream.prototype.onStatError = function onStatError (error) {
+  switch (error.code) {
+    case 'ENAMETOOLONG':
+    case 'ENOENT':
+    case 'ENOTDIR':
+      this.error(404, error)
+      break
+    default:
+      this.error(500, error)
+      break
+  }
+}
+
+/**
+ * Check if the cache is fresh.
+ *
+ * @return {Boolean}
+ * @api private
+ */
+
+SendStream.prototype.isFresh = function isFresh () {
+  return fresh(this.req.headers, {
+    etag: this.res.getHeader('ETag'),
+    'last-modified': this.res.getHeader('Last-Modified')
+  })
+}
+
+/**
+ * Check if the range is fresh.
+ *
+ * @return {Boolean}
+ * @api private
+ */
+
+SendStream.prototype.isRangeFresh = function isRangeFresh () {
+  var ifRange = this.req.headers['if-range']
+
+  if (!ifRange) {
+    return true
+  }
+
+  // if-range as etag
+  if (ifRange.indexOf('"') !== -1) {
+    var etag = this.res.getHeader('ETag')
+    return Boolean(etag && ifRange.indexOf(etag) !== -1)
+  }
+
+  // if-range as modified date
+  var lastModified = this.res.getHeader('Last-Modified')
+  return parseHttpDate(lastModified) <= parseHttpDate(ifRange)
+}
+
+/**
+ * Redirect to path.
+ *
+ * @param {string} path
+ * @private
+ */
+
+SendStream.prototype.redirect = function redirect (path) {
+  var res = this.res
+
+  if (hasListeners(this, 'directory')) {
+    this.emit('directory', res, path)
+    return
+  }
+
+  if (this.hasTrailingSlash()) {
+    this.error(403)
+    return
+  }
+
+  var loc = encodeUrl(collapseLeadingSlashes(this.path + '/'))
+  var doc = createHtmlDocument('Redirecting', 'Redirecting to <a href="' + escapeHtml(loc) + '">' +
+    escapeHtml(loc) + '</a>')
+
+  // redirect
+  res.statusCode = 301
+  res.setHeader('Content-Type', 'text/html; charset=UTF-8')
+  res.setHeader('Content-Length', Buffer.byteLength(doc))
+  res.setHeader('Content-Security-Policy', "default-src 'none'")
+  res.setHeader('X-Content-Type-Options', 'nosniff')
+  res.setHeader('Location', loc)
+  res.end(doc)
+}
+
+/**
+ * Pipe to `res.
+ *
+ * @param {Stream} res
+ * @return {Stream} res
+ * @api public
+ */
+
+SendStream.prototype.pipe = function pipe (res) {
+  // root path
+  var root = this._root
+
+  // references
+  this.res = res
+
+  // decode the path
+  var path = decode(this.path)
+  if (path === -1) {
+    this.error(400)
+    return res
+  }
+
+  // null byte(s)
+  if (~path.indexOf('\0')) {
+    this.error(400)
+    return res
+  }
+
+  var parts
+  if (root !== null) {
+    // normalize
+    if (path) {
+      path = normalize('.' + sep + path)
+    }
+
+    // malicious path
+    if (UP_PATH_REGEXP.test(path)) {
+      debug('malicious path "%s"', path)
+      this.error(403)
+      return res
+    }
+
+    // explode path parts
+    parts = path.split(sep)
+
+    // join / normalize from optional root dir
+    path = normalize(join(root, path))
+  } else {
+    // ".." is malicious without "root"
+    if (UP_PATH_REGEXP.test(path)) {
+      debug('malicious path "%s"', path)
+      this.error(403)
+      return res
+    }
+
+    // explode path parts
+    parts = normalize(path).split(sep)
+
+    // resolve the path
+    path = resolve(path)
+  }
+
+  // dotfile handling
+  if (containsDotFile(parts)) {
+    var access = this._dotfiles
+
+    // legacy support
+    if (access === undefined) {
+      access = parts[parts.length - 1][0] === '.'
+        ? (this._hidden ? 'allow' : 'ignore')
+        : 'allow'
+    }
+
+    debug('%s dotfile "%s"', access, path)
+    switch (access) {
+      case 'allow':
+        break
+      case 'deny':
+        this.error(403)
+        return res
+      case 'ignore':
+      default:
+        this.error(404)
+        return res
+    }
+  }
+
+  // index file support
+  if (this._index.length && this.hasTrailingSlash()) {
+    this.sendIndex(path)
+    return res
+  }
+
+  this.sendFile(path)
+  return res
+}
+
+/**
+ * Transfer `path`.
+ *
+ * @param {String} path
+ * @api public
+ */
+
+SendStream.prototype.send = function send (path, stat) {
+  var len = stat.size
+  var options = this.options
+  var opts = {}
+  var res = this.res
+  var req = this.req
+  var ranges = req.headers.range
+  var offset = options.start || 0
+
+  if (headersSent(res)) {
+    // impossible to send now
+    this.headersAlreadySent()
+    return
+  }
+
+  debug('pipe "%s"', path)
+
+  // set header fields
+  this.setHeader(path, stat)
+
+  // set content-type
+  this.type(path)
+
+  // conditional GET support
+  if (this.isConditionalGET()) {
+    if (this.isPreconditionFailure()) {
+      this.error(412)
+      return
+    }
+
+    if (this.isCachable() && this.isFresh()) {
+      this.notModified()
+      return
+    }
+  }
+
+  // adjust len to start/end options
+  len = Math.max(0, len - offset)
+  if (options.end !== undefined) {
+    var bytes = options.end - offset + 1
+    if (len > bytes) len = bytes
+  }
+
+  // Range support
+  if (this._acceptRanges && BYTES_RANGE_REGEXP.test(ranges)) {
+    // parse
+    ranges = parseRange(len, ranges, {
+      combine: true
+    })
+
+    // If-Range support
+    if (!this.isRangeFresh()) {
+      debug('range stale')
+      ranges = -2
+    }
+
+    // unsatisfiable
+    if (ranges === -1) {
+      debug('range unsatisfiable')
+
+      // Content-Range
+      res.setHeader('Content-Range', contentRange('bytes', len))
+
+      // 416 Requested Range Not Satisfiable
+      return this.error(416, {
+        headers: { 'Content-Range': res.getHeader('Content-Range') }
+      })
+    }
+
+    // valid (syntactically invalid/multiple ranges are treated as a regular response)
+    if (ranges !== -2 && ranges.length === 1) {
+      debug('range %j', ranges)
+
+      // Content-Range
+      res.statusCode = 206
+      res.setHeader('Content-Range', contentRange('bytes', len, ranges[0]))
+
+      // adjust for requested range
+      offset += ranges[0].start
+      len = ranges[0].end - ranges[0].start + 1
+    }
+  }
+
+  // clone options
+  for (var prop in options) {
+    opts[prop] = options[prop]
+  }
+
+  // set read options
+  opts.start = offset
+  opts.end = Math.max(offset, offset + len - 1)
+
+  // content-length
+  res.setHeader('Content-Length', len)
+
+  // HEAD support
+  if (req.method === 'HEAD') {
+    res.end()
+    return
+  }
+
+  this.stream(path, opts)
+}
+
+/**
+ * Transfer file for `path`.
+ *
+ * @param {String} path
+ * @api private
+ */
+SendStream.prototype.sendFile = function sendFile (path) {
+  var i = 0
+  var self = this
+
+  debug('stat "%s"', path)
+  fs.stat(path, function onstat (err, stat) {
+    if (err && err.code === 'ENOENT' && !extname(path) && path[path.length - 1] !== sep) {
+      // not found, check extensions
+      return next(err)
+    }
+    if (err) return self.onStatError(err)
+    if (stat.isDirectory()) return self.redirect(path)
+    self.emit('file', path, stat)
+    self.send(path, stat)
+  })
+
+  function next (err) {
+    if (self._extensions.length <= i) {
+      return err
+        ? self.onStatError(err)
+        : self.error(404)
+    }
+
+    var p = path + '.' + self._extensions[i++]
+
+    debug('stat "%s"', p)
+    fs.stat(p, function (err, stat) {
+      if (err) return next(err)
+      if (stat.isDirectory()) return next()
+      self.emit('file', p, stat)
+      self.send(p, stat)
+    })
+  }
+}
+
+/**
+ * Transfer index for `path`.
+ *
+ * @param {String} path
+ * @api private
+ */
+SendStream.prototype.sendIndex = function sendIndex (path) {
+  var i = -1
+  var self = this
+
+  function next (err) {
+    if (++i >= self._index.length) {
+      if (err) return self.onStatError(err)
+      return self.error(404)
+    }
+
+    var p = join(path, self._index[i])
+
+    debug('stat "%s"', p)
+    fs.stat(p, function (err, stat) {
+      if (err) return next(err)
+      if (stat.isDirectory()) return next()
+      self.emit('file', p, stat)
+      self.send(p, stat)
+    })
+  }
+
+  next()
+}
+
+/**
+ * Stream `path` to the response.
+ *
+ * @param {String} path
+ * @param {Object} options
+ * @api private
+ */
+
+SendStream.prototype.stream = function stream (path, options) {
+  var self = this
+  var res = this.res
+
+  // pipe
+  var stream = fs.createReadStream(path, options)
+  this.emit('stream', stream)
+  stream.pipe(res)
+
+  // cleanup
+  function cleanup () {
+    destroy(stream, true)
+  }
+
+  // response finished, cleanup
+  onFinished(res, cleanup)
+
+  // error handling
+  stream.on('error', function onerror (err) {
+    // clean up stream early
+    cleanup()
+
+    // error
+    self.onStatError(err)
+  })
+
+  // end
+  stream.on('end', function onend () {
+    self.emit('end')
+  })
+}
+
+/**
+ * Set content-type based on `path`
+ * if it hasn't been explicitly set.
+ *
+ * @param {String} path
+ * @api private
+ */
+
+SendStream.prototype.type = function type (path) {
+  var res = this.res
+
+  if (res.getHeader('Content-Type')) return
+
+  var type = mime.lookup(path)
+
+  if (!type) {
+    debug('no content-type')
+    return
+  }
+
+  var charset = mime.charsets.lookup(type)
+
+  debug('content-type %s', type)
+  res.setHeader('Content-Type', type + (charset ? '; charset=' + charset : ''))
+}
+
+/**
+ * Set response header fields, most
+ * fields may be pre-defined.
+ *
+ * @param {String} path
+ * @param {Object} stat
+ * @api private
+ */
+
+SendStream.prototype.setHeader = function setHeader (path, stat) {
+  var res = this.res
+
+  this.emit('headers', res, path, stat)
+
+  if (this._acceptRanges && !res.getHeader('Accept-Ranges')) {
+    debug('accept ranges')
+    res.setHeader('Accept-Ranges', 'bytes')
+  }
+
+  if (this._cacheControl && !res.getHeader('Cache-Control')) {
+    var cacheControl = 'public, max-age=' + Math.floor(this._maxage / 1000)
+
+    if (this._immutable) {
+      cacheControl += ', immutable'
+    }
+
+    debug('cache-control %s', cacheControl)
+    res.setHeader('Cache-Control', cacheControl)
+  }
+
+  if (this._lastModified && !res.getHeader('Last-Modified')) {
+    var modified = stat.mtime.toUTCString()
+    debug('modified %s', modified)
+    res.setHeader('Last-Modified', modified)
+  }
+
+  if (this._etag && !res.getHeader('ETag')) {
+    var val = etag(stat)
+    debug('etag %s', val)
+    res.setHeader('ETag', val)
+  }
+}
+
+/**
+ * Clear all headers from a response.
+ *
+ * @param {object} res
+ * @private
+ */
+
+function clearHeaders (res) {
+  var headers = getHeaderNames(res)
+
+  for (var i = 0; i < headers.length; i++) {
+    res.removeHeader(headers[i])
+  }
+}
+
+/**
+ * Collapse all leading slashes into a single slash
+ *
+ * @param {string} str
+ * @private
+ */
+function collapseLeadingSlashes (str) {
+  for (var i = 0; i < str.length; i++) {
+    if (str[i] !== '/') {
+      break
+    }
+  }
+
+  return i > 1
+    ? '/' + str.substr(i)
+    : str
+}
+
+/**
+ * Determine if path parts contain a dotfile.
+ *
+ * @api private
+ */
+
+function containsDotFile (parts) {
+  for (var i = 0; i < parts.length; i++) {
+    var part = parts[i]
+    if (part.length > 1 && part[0] === '.') {
+      return true
+    }
+  }
+
+  return false
+}
+
+/**
+ * Create a Content-Range header.
+ *
+ * @param {string} type
+ * @param {number} size
+ * @param {array} [range]
+ */
+
+function contentRange (type, size, range) {
+  return type + ' ' + (range ? range.start + '-' + range.end : '*') + '/' + size
+}
+
+/**
+ * Create a minimal HTML document.
+ *
+ * @param {string} title
+ * @param {string} body
+ * @private
+ */
+
+function createHtmlDocument (title, body) {
+  return '<!DOCTYPE html>\n' +
+    '<html lang="en">\n' +
+    '<head>\n' +
+    '<meta charset="utf-8">\n' +
+    '<title>' + title + '</title>\n' +
+    '</head>\n' +
+    '<body>\n' +
+    '<pre>' + body + '</pre>\n' +
+    '</body>\n' +
+    '</html>\n'
+}
+
+/**
+ * Create a HttpError object from simple arguments.
+ *
+ * @param {number} status
+ * @param {Error|object} err
+ * @private
+ */
+
+function createHttpError (status, err) {
+  if (!err) {
+    return createError(status)
+  }
+
+  return err instanceof Error
+    ? createError(status, err, { expose: false })
+    : createError(status, err)
+}
+
+/**
+ * decodeURIComponent.
+ *
+ * Allows V8 to only deoptimize this fn instead of all
+ * of send().
+ *
+ * @param {String} path
+ * @api private
+ */
+
+function decode (path) {
+  try {
+    return decodeURIComponent(path)
+  } catch (err) {
+    return -1
+  }
+}
+
+/**
+ * Get the header names on a respnse.
+ *
+ * @param {object} res
+ * @returns {array[string]}
+ * @private
+ */
+
+function getHeaderNames (res) {
+  return typeof res.getHeaderNames !== 'function'
+    ? Object.keys(res._headers || {})
+    : res.getHeaderNames()
+}
+
+/**
+ * Determine if emitter has listeners of a given type.
+ *
+ * The way to do this check is done three different ways in Node.js >= 0.8
+ * so this consolidates them into a minimal set using instance methods.
+ *
+ * @param {EventEmitter} emitter
+ * @param {string} type
+ * @returns {boolean}
+ * @private
+ */
+
+function hasListeners (emitter, type) {
+  var count = typeof emitter.listenerCount !== 'function'
+    ? emitter.listeners(type).length
+    : emitter.listenerCount(type)
+
+  return count > 0
+}
+
+/**
+ * Determine if the response headers have been sent.
+ *
+ * @param {object} res
+ * @returns {boolean}
+ * @private
+ */
+
+function headersSent (res) {
+  return typeof res.headersSent !== 'boolean'
+    ? Boolean(res._header)
+    : res.headersSent
+}
+
+/**
+ * Normalize the index option into an array.
+ *
+ * @param {boolean|string|array} val
+ * @param {string} name
+ * @private
+ */
+
+function normalizeList (val, name) {
+  var list = [].concat(val || [])
+
+  for (var i = 0; i < list.length; i++) {
+    if (typeof list[i] !== 'string') {
+      throw new TypeError(name + ' must be array of strings or false')
+    }
+  }
+
+  return list
+}
+
+/**
+ * Parse an HTTP Date into a number.
+ *
+ * @param {string} date
+ * @private
+ */
+
+function parseHttpDate (date) {
+  var timestamp = date && Date.parse(date)
+
+  return typeof timestamp === 'number'
+    ? timestamp
+    : NaN
+}
+
+/**
+ * Parse a HTTP token list.
+ *
+ * @param {string} str
+ * @private
+ */
+
+function parseTokenList (str) {
+  var end = 0
+  var list = []
+  var start = 0
+
+  // gather tokens
+  for (var i = 0, len = str.length; i < len; i++) {
+    switch (str.charCodeAt(i)) {
+      case 0x20: /*   */
+        if (start === end) {
+          start = end = i + 1
+        }
+        break
+      case 0x2c: /* , */
+        if (start !== end) {
+          list.push(str.substring(start, end))
+        }
+        start = end = i + 1
+        break
+      default:
+        end = i + 1
+        break
+    }
+  }
+
+  // final token
+  if (start !== end) {
+    list.push(str.substring(start, end))
+  }
+
+  return list
+}
+
+/**
+ * Set an object of headers on a response.
+ *
+ * @param {object} res
+ * @param {object} headers
+ * @private
+ */
+
+function setHeaders (res, headers) {
+  var keys = Object.keys(headers)
+
+  for (var i = 0; i < keys.length; i++) {
+    var key = keys[i]
+    res.setHeader(key, headers[key])
+  }
+}
diff --git a/node_modules/send/node_modules/.bin/mime b/node_modules/send/node_modules/.bin/mime
new file mode 100644
index 000000000..0a62a1b13
--- /dev/null
+++ b/node_modules/send/node_modules/.bin/mime
@@ -0,0 +1,12 @@
+#!/bin/sh
+basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
+
+case `uname` in
+    *CYGWIN*|*MINGW*|*MSYS*) basedir=`cygpath -w "$basedir"`;;
+esac
+
+if [ -x "$basedir/node" ]; then
+  exec "$basedir/node"  "$basedir/../mime/cli.js" "$@"
+else 
+  exec node  "$basedir/../mime/cli.js" "$@"
+fi
diff --git a/node_modules/send/node_modules/.bin/mime.cmd b/node_modules/send/node_modules/.bin/mime.cmd
new file mode 100644
index 000000000..54491f12e
--- /dev/null
+++ b/node_modules/send/node_modules/.bin/mime.cmd
@@ -0,0 +1,17 @@
+@ECHO off
+GOTO start
+:find_dp0
+SET dp0=%~dp0
+EXIT /b
+:start
+SETLOCAL
+CALL :find_dp0
+
+IF EXIST "%dp0%\node.exe" (
+  SET "_prog=%dp0%\node.exe"
+) ELSE (
+  SET "_prog=node"
+  SET PATHEXT=%PATHEXT:;.JS;=;%
+)
+
+endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%"  "%dp0%\..\mime\cli.js" %*
diff --git a/node_modules/send/node_modules/.bin/mime.ps1 b/node_modules/send/node_modules/.bin/mime.ps1
new file mode 100644
index 000000000..2222f40bc
--- /dev/null
+++ b/node_modules/send/node_modules/.bin/mime.ps1
@@ -0,0 +1,28 @@
+#!/usr/bin/env pwsh
+$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent
+
+$exe=""
+if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) {
+  # Fix case when both the Windows and Linux builds of Node
+  # are installed in the same directory
+  $exe=".exe"
+}
+$ret=0
+if (Test-Path "$basedir/node$exe") {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "$basedir/node$exe"  "$basedir/../mime/cli.js" $args
+  } else {
+    & "$basedir/node$exe"  "$basedir/../mime/cli.js" $args
+  }
+  $ret=$LASTEXITCODE
+} else {
+  # Support pipeline input
+  if ($MyInvocation.ExpectingInput) {
+    $input | & "node$exe"  "$basedir/../mime/cli.js" $args
+  } else {
+    & "node$exe"  "$basedir/../mime/cli.js" $args
+  }
+  $ret=$LASTEXITCODE
+}
+exit $ret
diff --git a/node_modules/send/node_modules/mime/.npmignore b/node_modules/send/node_modules/mime/.npmignore
new file mode 100644
index 000000000..e69de29bb
diff --git a/node_modules/send/node_modules/mime/CHANGELOG.md b/node_modules/send/node_modules/mime/CHANGELOG.md
new file mode 100644
index 000000000..f12753505
--- /dev/null
+++ b/node_modules/send/node_modules/mime/CHANGELOG.md
@@ -0,0 +1,164 @@
+# Changelog
+
+## v1.6.0 (24/11/2017)
+*No changelog for this release.*
+
+---
+
+## v2.0.4 (24/11/2017)
+- [**closed**] Switch to mime-score module for resolving extension contention issues. [#182](https://github.com/broofa/node-mime/issues/182)
+- [**closed**] Update mime-db to 1.31.0 in v1.x branch [#181](https://github.com/broofa/node-mime/issues/181)
+
+---
+
+## v1.5.0 (22/11/2017)
+- [**closed**] need ES5 version ready in npm package [#179](https://github.com/broofa/node-mime/issues/179)
+- [**closed**] mime-db no trace of iWork - pages / numbers / etc. [#178](https://github.com/broofa/node-mime/issues/178)
+- [**closed**] How it works in brownser ? [#176](https://github.com/broofa/node-mime/issues/176)
+- [**closed**] Missing `./Mime` [#175](https://github.com/broofa/node-mime/issues/175)
+- [**closed**] Vulnerable Regular Expression [#167](https://github.com/broofa/node-mime/issues/167)
+
+---
+
+## v2.0.3 (25/09/2017)
+*No changelog for this release.*
+
+---
+
+## v1.4.1 (25/09/2017)
+- [**closed**] Issue when bundling with webpack [#172](https://github.com/broofa/node-mime/issues/172)
+
+---
+
+## v2.0.2 (15/09/2017)
+- [**V2**] fs.readFileSync is not a function [#165](https://github.com/broofa/node-mime/issues/165)
+- [**closed**] The extension for video/quicktime should map to .mov, not .qt [#164](https://github.com/broofa/node-mime/issues/164)
+- [**V2**] [v2 Feedback request] Mime class API [#163](https://github.com/broofa/node-mime/issues/163)
+- [**V2**] [v2 Feedback request] Resolving conflicts over extensions [#162](https://github.com/broofa/node-mime/issues/162)
+- [**V2**] Allow callers to load module with official, full, or no defined types.  [#161](https://github.com/broofa/node-mime/issues/161)
+- [**V2**] Use "facets" to resolve extension conflicts [#160](https://github.com/broofa/node-mime/issues/160)
+- [**V2**] Remove fs and path dependencies [#152](https://github.com/broofa/node-mime/issues/152)
+- [**V2**] Default content-type should not be application/octet-stream [#139](https://github.com/broofa/node-mime/issues/139)
+- [**V2**] reset mime-types [#124](https://github.com/broofa/node-mime/issues/124)
+- [**V2**] Extensionless paths should return null or false [#113](https://github.com/broofa/node-mime/issues/113)
+
+---
+
+## v2.0.1 (14/09/2017)
+- [**closed**] Changelog for v2.0 does not mention breaking changes [#171](https://github.com/broofa/node-mime/issues/171)
+- [**closed**] MIME breaking with 'class' declaration as it is without 'use strict mode' [#170](https://github.com/broofa/node-mime/issues/170)
+
+---
+
+## v2.0.0 (12/09/2017)
+- [**closed**] woff and woff2 [#168](https://github.com/broofa/node-mime/issues/168)
+
+---
+
+## v1.4.0 (28/08/2017)
+- [**closed**] support for ac3 voc files [#159](https://github.com/broofa/node-mime/issues/159)
+- [**closed**] Help understanding change from application/xml to text/xml [#158](https://github.com/broofa/node-mime/issues/158)
+- [**closed**] no longer able to override mimetype [#157](https://github.com/broofa/node-mime/issues/157)
+- [**closed**] application/vnd.adobe.photoshop [#147](https://github.com/broofa/node-mime/issues/147)
+- [**closed**] Directories should appear as something other than application/octet-stream [#135](https://github.com/broofa/node-mime/issues/135)
+- [**closed**] requested features [#131](https://github.com/broofa/node-mime/issues/131)
+- [**closed**] Make types.json loading optional? [#129](https://github.com/broofa/node-mime/issues/129)
+- [**closed**] Cannot find module './types.json' [#120](https://github.com/broofa/node-mime/issues/120)
+- [**V2**] .wav files show up as "audio/x-wav" instead of "audio/x-wave" [#118](https://github.com/broofa/node-mime/issues/118)
+- [**closed**] Don't be a pain in the ass for node community [#108](https://github.com/broofa/node-mime/issues/108)
+- [**closed**] don't make default_type global [#78](https://github.com/broofa/node-mime/issues/78)
+- [**closed**] mime.extension() fails if the content-type is parameterized [#74](https://github.com/broofa/node-mime/issues/74)
+
+---
+
+## v1.3.6 (11/05/2017)
+- [**closed**] .md should be text/markdown as of March 2016 [#154](https://github.com/broofa/node-mime/issues/154)
+- [**closed**] Error while installing mime [#153](https://github.com/broofa/node-mime/issues/153)
+- [**closed**] application/manifest+json [#149](https://github.com/broofa/node-mime/issues/149)
+- [**closed**] Dynamic adaptive streaming over HTTP (DASH) file extension typo [#141](https://github.com/broofa/node-mime/issues/141)
+- [**closed**] charsets image/png undefined [#140](https://github.com/broofa/node-mime/issues/140)
+- [**closed**] Mime-db dependency out of date [#130](https://github.com/broofa/node-mime/issues/130)
+- [**closed**] how to support plist？ [#126](https://github.com/broofa/node-mime/issues/126)
+- [**closed**] how does .types file format look like? [#123](https://github.com/broofa/node-mime/issues/123)
+- [**closed**] Feature: support for expanding MIME patterns [#121](https://github.com/broofa/node-mime/issues/121)
+- [**closed**] DEBUG_MIME doesn't work [#117](https://github.com/broofa/node-mime/issues/117)
+
+---
+
+## v1.3.4 (06/02/2015)
+*No changelog for this release.*
+
+---
+
+## v1.3.3 (06/02/2015)
+*No changelog for this release.*
+
+---
+
+## v1.3.1 (05/02/2015)
+- [**closed**] Consider adding support for Handlebars .hbs file ending [#111](https://github.com/broofa/node-mime/issues/111)
+- [**closed**] Consider adding support for hjson. [#110](https://github.com/broofa/node-mime/issues/110)
+- [**closed**] Add mime type for Opus audio files [#94](https://github.com/broofa/node-mime/issues/94)
+- [**closed**] Consider making the `Requesting New Types` information more visible [#77](https://github.com/broofa/node-mime/issues/77)
+
+---
+
+## v1.3.0 (05/02/2015)
+- [**closed**] Add common name? [#114](https://github.com/broofa/node-mime/issues/114)
+- [**closed**] application/x-yaml [#104](https://github.com/broofa/node-mime/issues/104)
+- [**closed**] Add mime type for WOFF file format 2.0 [#102](https://github.com/broofa/node-mime/issues/102)
+- [**closed**] application/x-msi for .msi [#99](https://github.com/broofa/node-mime/issues/99)
+- [**closed**] Add mimetype for gettext translation files [#98](https://github.com/broofa/node-mime/issues/98)
+- [**closed**] collaborators [#88](https://github.com/broofa/node-mime/issues/88)
+- [**closed**] getting errot in installation of mime module...any1 can help? [#87](https://github.com/broofa/node-mime/issues/87)
+- [**closed**] should application/json's charset be utf8? [#86](https://github.com/broofa/node-mime/issues/86)
+- [**closed**] Add "license" and "licenses" to package.json [#81](https://github.com/broofa/node-mime/issues/81)
+- [**closed**] lookup with extension-less file on Windows returns wrong type [#68](https://github.com/broofa/node-mime/issues/68)
+
+---
+
+## v1.2.11 (15/08/2013)
+- [**closed**] Update mime.types [#65](https://github.com/broofa/node-mime/issues/65)
+- [**closed**] Publish a new version [#63](https://github.com/broofa/node-mime/issues/63)
+- [**closed**] README should state upfront that "application/octet-stream" is default for unknown extension [#55](https://github.com/broofa/node-mime/issues/55)
+- [**closed**] Suggested improvement to the charset API [#52](https://github.com/broofa/node-mime/issues/52)
+
+---
+
+## v1.2.10 (25/07/2013)
+- [**closed**] Mime type for woff files should be application/font-woff and not application/x-font-woff [#62](https://github.com/broofa/node-mime/issues/62)
+- [**closed**] node.types in conflict with mime.types [#51](https://github.com/broofa/node-mime/issues/51)
+
+---
+
+## v1.2.9 (17/01/2013)
+- [**closed**] Please update "mime" NPM [#49](https://github.com/broofa/node-mime/issues/49)
+- [**closed**] Please add semicolon [#46](https://github.com/broofa/node-mime/issues/46)
+- [**closed**] parse full mime types [#43](https://github.com/broofa/node-mime/issues/43)
+
+---
+
+## v1.2.8 (10/01/2013)
+- [**closed**] /js directory mime is application/javascript. Is it correct? [#47](https://github.com/broofa/node-mime/issues/47)
+- [**closed**] Add mime types for lua code. [#45](https://github.com/broofa/node-mime/issues/45)
+
+---
+
+## v1.2.7 (19/10/2012)
+- [**closed**] cannot install 1.2.7 via npm [#41](https://github.com/broofa/node-mime/issues/41)
+- [**closed**] Transfer ownership to @broofa [#36](https://github.com/broofa/node-mime/issues/36)
+- [**closed**] it's wrong to set charset to UTF-8 for text [#30](https://github.com/broofa/node-mime/issues/30)
+- [**closed**] Allow multiple instances of MIME types container [#27](https://github.com/broofa/node-mime/issues/27)
+
+---
+
+## v1.2.5 (16/02/2012)
+- [**closed**] When looking up a types, check hasOwnProperty [#23](https://github.com/broofa/node-mime/issues/23)
+- [**closed**] Bump version to 1.2.2 [#18](https://github.com/broofa/node-mime/issues/18)
+- [**closed**] No license [#16](https://github.com/broofa/node-mime/issues/16)
+- [**closed**] Some types missing that are used by html5/css3 [#13](https://github.com/broofa/node-mime/issues/13)
+- [**closed**] npm install fails for 1.2.1 [#12](https://github.com/broofa/node-mime/issues/12)
+- [**closed**] image/pjpeg + image/x-png [#10](https://github.com/broofa/node-mime/issues/10)
+- [**closed**] symlink [#8](https://github.com/broofa/node-mime/issues/8)
+- [**closed**] gzip [#2](https://github.com/broofa/node-mime/issues/2)
+- [**closed**] ALL CAPS filenames return incorrect mime type [#1](https://github.com/broofa/node-mime/issues/1)
diff --git a/node_modules/send/node_modules/mime/LICENSE b/node_modules/send/node_modules/mime/LICENSE
new file mode 100644
index 000000000..d3f46f7e1
--- /dev/null
+++ b/node_modules/send/node_modules/mime/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2010 Benjamin Thomas, Robert Kieffer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/send/node_modules/mime/README.md b/node_modules/send/node_modules/mime/README.md
new file mode 100644
index 000000000..506fbe550
--- /dev/null
+++ b/node_modules/send/node_modules/mime/README.md
@@ -0,0 +1,90 @@
+# mime
+
+Comprehensive MIME type mapping API based on mime-db module.
+
+## Install
+
+Install with [npm](http://github.com/isaacs/npm):
+
+    npm install mime
+
+## Contributing / Testing
+
+    npm run test
+
+## Command Line
+
+    mime [path_string]
+
+E.g.
+
+    > mime scripts/jquery.js
+    application/javascript
+
+## API - Queries
+
+### mime.lookup(path)
+Get the mime type associated with a file, if no mime type is found `application/octet-stream` is returned. Performs a case-insensitive lookup using the extension in `path` (the substring after the last '/' or '.').  E.g.
+
+```js
+var mime = require('mime');
+
+mime.lookup('/path/to/file.txt');         // => 'text/plain'
+mime.lookup('file.txt');                  // => 'text/plain'
+mime.lookup('.TXT');                      // => 'text/plain'
+mime.lookup('htm');                       // => 'text/html'
+```
+
+### mime.default_type
+Sets the mime type returned when `mime.lookup` fails to find the extension searched for. (Default is `application/octet-stream`.)
+
+### mime.extension(type)
+Get the default extension for `type`
+
+```js
+mime.extension('text/html');                 // => 'html'
+mime.extension('application/octet-stream');  // => 'bin'
+```
+
+### mime.charsets.lookup()
+
+Map mime-type to charset
+
+```js
+mime.charsets.lookup('text/plain');        // => 'UTF-8'
+```
+
+(The logic for charset lookups is pretty rudimentary.  Feel free to suggest improvements.)
+
+## API - Defining Custom Types
+
+Custom type mappings can be added on a per-project basis via the following APIs.
+
+### mime.define()
+
+Add custom mime/extension mappings
+
+```js
+mime.define({
+    'text/x-some-format': ['x-sf', 'x-sft', 'x-sfml'],
+    'application/x-my-type': ['x-mt', 'x-mtt'],
+    // etc ...
+});
+
+mime.lookup('x-sft');                 // => 'text/x-some-format'
+```
+
+The first entry in the extensions array is returned by `mime.extension()`. E.g.
+
+```js
+mime.extension('text/x-some-format'); // => 'x-sf'
+```
+
+### mime.load(filepath)
+
+Load mappings from an Apache ".types" format file
+
+```js
+mime.load('./my_project.types');
+```
+The .types file format is simple -  See the `types` dir for examples.
diff --git a/node_modules/send/node_modules/mime/cli.js b/node_modules/send/node_modules/mime/cli.js
new file mode 100644
index 000000000..20b1ffeb2
--- /dev/null
+++ b/node_modules/send/node_modules/mime/cli.js
@@ -0,0 +1,8 @@
+#!/usr/bin/env node
+
+var mime = require('./mime.js');
+var file = process.argv[2];
+var type = mime.lookup(file);
+
+process.stdout.write(type + '\n');
+
diff --git a/node_modules/send/node_modules/mime/mime.js b/node_modules/send/node_modules/mime/mime.js
new file mode 100644
index 000000000..d7efbde70
--- /dev/null
+++ b/node_modules/send/node_modules/mime/mime.js
@@ -0,0 +1,108 @@
+var path = require('path');
+var fs = require('fs');
+
+function Mime() {
+  // Map of extension -> mime type
+  this.types = Object.create(null);
+
+  // Map of mime type -> extension
+  this.extensions = Object.create(null);
+}
+
+/**
+ * Define mimetype -> extension mappings.  Each key is a mime-type that maps
+ * to an array of extensions associated with the type.  The first extension is
+ * used as the default extension for the type.
+ *
+ * e.g. mime.define({'audio/ogg', ['oga', 'ogg', 'spx']});
+ *
+ * @param map (Object) type definitions
+ */
+Mime.prototype.define = function (map) {
+  for (var type in map) {
+    var exts = map[type];
+    for (var i = 0; i < exts.length; i++) {
+      if (process.env.DEBUG_MIME && this.types[exts[i]]) {
+        console.warn((this._loading || "define()").replace(/.*\//, ''), 'changes "' + exts[i] + '" extension type from ' +
+          this.types[exts[i]] + ' to ' + type);
+      }
+
+      this.types[exts[i]] = type;
+    }
+
+    // Default extension is the first one we encounter
+    if (!this.extensions[type]) {
+      this.extensions[type] = exts[0];
+    }
+  }
+};
+
+/**
+ * Load an Apache2-style ".types" file
+ *
+ * This may be called multiple times (it's expected).  Where files declare
+ * overlapping types/extensions, the last file wins.
+ *
+ * @param file (String) path of file to load.
+ */
+Mime.prototype.load = function(file) {
+  this._loading = file;
+  // Read file and split into lines
+  var map = {},
+      content = fs.readFileSync(file, 'ascii'),
+      lines = content.split(/[\r\n]+/);
+
+  lines.forEach(function(line) {
+    // Clean up whitespace/comments, and split into fields
+    var fields = line.replace(/\s*#.*|^\s*|\s*$/g, '').split(/\s+/);
+    map[fields.shift()] = fields;
+  });
+
+  this.define(map);
+
+  this._loading = null;
+};
+
+/**
+ * Lookup a mime type based on extension
+ */
+Mime.prototype.lookup = function(path, fallback) {
+  var ext = path.replace(/^.*[\.\/\\]/, '').toLowerCase();
+
+  return this.types[ext] || fallback || this.default_type;
+};
+
+/**
+ * Return file extension associated with a mime type
+ */
+Mime.prototype.extension = function(mimeType) {
+  var type = mimeType.match(/^\s*([^;\s]*)(?:;|\s|$)/)[1].toLowerCase();
+  return this.extensions[type];
+};
+
+// Default instance
+var mime = new Mime();
+
+// Define built-in types
+mime.define(require('./types.json'));
+
+// Default type
+mime.default_type = mime.lookup('bin');
+
+//
+// Additional API specific to the default instance
+//
+
+mime.Mime = Mime;
+
+/**
+ * Lookup a charset based on mime type.
+ */
+mime.charsets = {
+  lookup: function(mimeType, fallback) {
+    // Assume text types are utf8
+    return (/^text\/|^application\/(javascript|json)/).test(mimeType) ? 'UTF-8' : fallback;
+  }
+};
+
+module.exports = mime;
diff --git a/node_modules/send/node_modules/mime/package.json b/node_modules/send/node_modules/mime/package.json
new file mode 100644
index 000000000..6bd24bc53
--- /dev/null
+++ b/node_modules/send/node_modules/mime/package.json
@@ -0,0 +1,44 @@
+{
+  "author": {
+    "name": "Robert Kieffer",
+    "url": "http://github.com/broofa",
+    "email": "robert@broofa.com"
+  },
+  "bin": {
+    "mime": "cli.js"
+  },
+  "engines": {
+    "node": ">=4"
+  },
+  "contributors": [
+    {
+      "name": "Benjamin Thomas",
+      "url": "http://github.com/bentomas",
+      "email": "benjamin@benjaminthomas.org"
+    }
+  ],
+  "description": "A comprehensive library for mime-type mapping",
+  "license": "MIT",
+  "dependencies": {},
+  "devDependencies": {
+    "github-release-notes": "0.13.1",
+    "mime-db": "1.31.0",
+    "mime-score": "1.1.0"
+  },
+  "scripts": {
+    "prepare": "node src/build.js",
+    "changelog": "gren changelog --tags=all --generate --override",
+    "test": "node src/test.js"
+  },
+  "keywords": [
+    "util",
+    "mime"
+  ],
+  "main": "mime.js",
+  "name": "mime",
+  "repository": {
+    "url": "https://github.com/broofa/node-mime",
+    "type": "git"
+  },
+  "version": "1.6.0"
+}
diff --git a/node_modules/send/node_modules/mime/src/build.js b/node_modules/send/node_modules/mime/src/build.js
new file mode 100644
index 000000000..4928e48bc
--- /dev/null
+++ b/node_modules/send/node_modules/mime/src/build.js
@@ -0,0 +1,53 @@
+#!/usr/bin/env node
+
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+const mimeScore = require('mime-score');
+
+let db = require('mime-db');
+let chalk = require('chalk');
+
+const STANDARD_FACET_SCORE = 900;
+
+const byExtension = {};
+
+// Clear out any conflict extensions in mime-db
+for (let type in db) {
+  let entry = db[type];
+  entry.type = type;
+
+  if (!entry.extensions) continue;
+
+  entry.extensions.forEach(ext => {
+    if (ext in byExtension) {
+      const e0 = entry;
+      const e1 = byExtension[ext];
+      e0.pri = mimeScore(e0.type, e0.source);
+      e1.pri = mimeScore(e1.type, e1.source);
+
+      let drop = e0.pri < e1.pri ? e0 : e1;
+      let keep = e0.pri >= e1.pri ? e0 : e1;
+      drop.extensions = drop.extensions.filter(e => e !== ext);
+
+      console.log(`${ext}: Keeping ${chalk.green(keep.type)} (${keep.pri}), dropping ${chalk.red(drop.type)} (${drop.pri})`);
+    }
+    byExtension[ext] = entry;
+  });
+}
+
+function writeTypesFile(types, path) {
+  fs.writeFileSync(path, JSON.stringify(types));
+}
+
+// Segregate into standard and non-standard types based on facet per
+// https://tools.ietf.org/html/rfc6838#section-3.1
+const types = {};
+
+Object.keys(db).sort().forEach(k => {
+  const entry = db[k];
+  types[entry.type] = entry.extensions;
+});
+
+writeTypesFile(types, path.join(__dirname, '..', 'types.json'));
diff --git a/node_modules/send/node_modules/mime/src/test.js b/node_modules/send/node_modules/mime/src/test.js
new file mode 100644
index 000000000..42958a20d
--- /dev/null
+++ b/node_modules/send/node_modules/mime/src/test.js
@@ -0,0 +1,60 @@
+/**
+ * Usage: node test.js
+ */
+
+var mime = require('../mime');
+var assert = require('assert');
+var path = require('path');
+
+//
+// Test mime lookups
+//
+
+assert.equal('text/plain', mime.lookup('text.txt'));     // normal file
+assert.equal('text/plain', mime.lookup('TEXT.TXT'));     // uppercase
+assert.equal('text/plain', mime.lookup('dir/text.txt')); // dir + file
+assert.equal('text/plain', mime.lookup('.text.txt'));    // hidden file
+assert.equal('text/plain', mime.lookup('.txt'));         // nameless
+assert.equal('text/plain', mime.lookup('txt'));          // extension-only
+assert.equal('text/plain', mime.lookup('/txt'));         // extension-less ()
+assert.equal('text/plain', mime.lookup('\\txt'));        // Windows, extension-less
+assert.equal('application/octet-stream', mime.lookup('text.nope')); // unrecognized
+assert.equal('fallback', mime.lookup('text.fallback', 'fallback')); // alternate default
+
+//
+// Test extensions
+//
+
+assert.equal('txt', mime.extension(mime.types.text));
+assert.equal('html', mime.extension(mime.types.htm));
+assert.equal('bin', mime.extension('application/octet-stream'));
+assert.equal('bin', mime.extension('application/octet-stream '));
+assert.equal('html', mime.extension(' text/html; charset=UTF-8'));
+assert.equal('html', mime.extension('text/html; charset=UTF-8 '));
+assert.equal('html', mime.extension('text/html; charset=UTF-8'));
+assert.equal('html', mime.extension('text/html ; charset=UTF-8'));
+assert.equal('html', mime.extension('text/html;charset=UTF-8'));
+assert.equal('html', mime.extension('text/Html;charset=UTF-8'));
+assert.equal(undefined, mime.extension('unrecognized'));
+
+//
+// Test node.types lookups
+//
+
+assert.equal('font/woff', mime.lookup('file.woff'));
+assert.equal('application/octet-stream', mime.lookup('file.buffer'));
+// TODO: Uncomment once #157 is resolved
+// assert.equal('audio/mp4', mime.lookup('file.m4a'));
+assert.equal('font/otf', mime.lookup('file.otf'));
+
+//
+// Test charsets
+//
+
+assert.equal('UTF-8', mime.charsets.lookup('text/plain'));
+assert.equal('UTF-8', mime.charsets.lookup(mime.types.js));
+assert.equal('UTF-8', mime.charsets.lookup(mime.types.json));
+assert.equal(undefined, mime.charsets.lookup(mime.types.bin));
+assert.equal('fallback', mime.charsets.lookup('application/octet-stream', 'fallback'));
+
+console.log('\nAll tests passed');
diff --git a/node_modules/send/node_modules/mime/types.json b/node_modules/send/node_modules/mime/types.json
new file mode 100644
index 000000000..bec78abd4
--- /dev/null
+++ b/node_modules/send/node_modules/mime/types.json
@@ -0,0 +1 @@
+{"application/andrew-inset":["ez"],"application/applixware":["aw"],"application/atom+xml":["atom"],"application/atomcat+xml":["atomcat"],"application/atomsvc+xml":["atomsvc"],"application/bdoc":["bdoc"],"application/ccxml+xml":["ccxml"],"application/cdmi-capability":["cdmia"],"application/cdmi-container":["cdmic"],"application/cdmi-domain":["cdmid"],"application/cdmi-object":["cdmio"],"application/cdmi-queue":["cdmiq"],"application/cu-seeme":["cu"],"application/dash+xml":["mpd"],"application/davmount+xml":["davmount"],"application/docbook+xml":["dbk"],"application/dssc+der":["dssc"],"application/dssc+xml":["xdssc"],"application/ecmascript":["ecma"],"application/emma+xml":["emma"],"application/epub+zip":["epub"],"application/exi":["exi"],"application/font-tdpfr":["pfr"],"application/font-woff":[],"application/font-woff2":[],"application/geo+json":["geojson"],"application/gml+xml":["gml"],"application/gpx+xml":["gpx"],"application/gxf":["gxf"],"application/gzip":["gz"],"application/hyperstudio":["stk"],"application/inkml+xml":["ink","inkml"],"application/ipfix":["ipfix"],"application/java-archive":["jar","war","ear"],"application/java-serialized-object":["ser"],"application/java-vm":["class"],"application/javascript":["js","mjs"],"application/json":["json","map"],"application/json5":["json5"],"application/jsonml+json":["jsonml"],"application/ld+json":["jsonld"],"application/lost+xml":["lostxml"],"application/mac-binhex40":["hqx"],"application/mac-compactpro":["cpt"],"application/mads+xml":["mads"],"application/manifest+json":["webmanifest"],"application/marc":["mrc"],"application/marcxml+xml":["mrcx"],"application/mathematica":["ma","nb","mb"],"application/mathml+xml":["mathml"],"application/mbox":["mbox"],"application/mediaservercontrol+xml":["mscml"],"application/metalink+xml":["metalink"],"application/metalink4+xml":["meta4"],"application/mets+xml":["mets"],"application/mods+xml":["mods"],"application/mp21":["m21","mp21"],"application/mp4":["mp4s","m4p"],"application/msword":["doc","dot"],"application/mxf":["mxf"],"application/octet-stream":["bin","dms","lrf","mar","so","dist","distz","pkg","bpk","dump","elc","deploy","exe","dll","deb","dmg","iso","img","msi","msp","msm","buffer"],"application/oda":["oda"],"application/oebps-package+xml":["opf"],"application/ogg":["ogx"],"application/omdoc+xml":["omdoc"],"application/onenote":["onetoc","onetoc2","onetmp","onepkg"],"application/oxps":["oxps"],"application/patch-ops-error+xml":["xer"],"application/pdf":["pdf"],"application/pgp-encrypted":["pgp"],"application/pgp-signature":["asc","sig"],"application/pics-rules":["prf"],"application/pkcs10":["p10"],"application/pkcs7-mime":["p7m","p7c"],"application/pkcs7-signature":["p7s"],"application/pkcs8":["p8"],"application/pkix-attr-cert":["ac"],"application/pkix-cert":["cer"],"application/pkix-crl":["crl"],"application/pkix-pkipath":["pkipath"],"application/pkixcmp":["pki"],"application/pls+xml":["pls"],"application/postscript":["ai","eps","ps"],"application/prs.cww":["cww"],"application/pskc+xml":["pskcxml"],"application/raml+yaml":["raml"],"application/rdf+xml":["rdf"],"application/reginfo+xml":["rif"],"application/relax-ng-compact-syntax":["rnc"],"application/resource-lists+xml":["rl"],"application/resource-lists-diff+xml":["rld"],"application/rls-services+xml":["rs"],"application/rpki-ghostbusters":["gbr"],"application/rpki-manifest":["mft"],"application/rpki-roa":["roa"],"application/rsd+xml":["rsd"],"application/rss+xml":["rss"],"application/rtf":["rtf"],"application/sbml+xml":["sbml"],"application/scvp-cv-request":["scq"],"application/scvp-cv-response":["scs"],"application/scvp-vp-request":["spq"],"application/scvp-vp-response":["spp"],"application/sdp":["sdp"],"application/set-payment-initiation":["setpay"],"application/set-registration-initiation":["setreg"],"application/shf+xml":["shf"],"application/smil+xml":["smi","smil"],"application/sparql-query":["rq"],"application/sparql-results+xml":["srx"],"application/srgs":["gram"],"application/srgs+xml":["grxml"],"application/sru+xml":["sru"],"application/ssdl+xml":["ssdl"],"application/ssml+xml":["ssml"],"application/tei+xml":["tei","teicorpus"],"application/thraud+xml":["tfi"],"application/timestamped-data":["tsd"],"application/vnd.3gpp.pic-bw-large":["plb"],"application/vnd.3gpp.pic-bw-small":["psb"],"application/vnd.3gpp.pic-bw-var":["pvb"],"application/vnd.3gpp2.tcap":["tcap"],"application/vnd.3m.post-it-notes":["pwn"],"application/vnd.accpac.simply.aso":["aso"],"application/vnd.accpac.simply.imp":["imp"],"application/vnd.acucobol":["acu"],"application/vnd.acucorp":["atc","acutc"],"application/vnd.adobe.air-application-installer-package+zip":["air"],"application/vnd.adobe.formscentral.fcdt":["fcdt"],"application/vnd.adobe.fxp":["fxp","fxpl"],"application/vnd.adobe.xdp+xml":["xdp"],"application/vnd.adobe.xfdf":["xfdf"],"application/vnd.ahead.space":["ahead"],"application/vnd.airzip.filesecure.azf":["azf"],"application/vnd.airzip.filesecure.azs":["azs"],"appli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diff --git a/node_modules/send/node_modules/ms/index.js b/node_modules/send/node_modules/ms/index.js
new file mode 100644
index 000000000..ea734fb73
--- /dev/null
+++ b/node_modules/send/node_modules/ms/index.js
@@ -0,0 +1,162 @@
+/**
+ * Helpers.
+ */
+
+var s = 1000;
+var m = s * 60;
+var h = m * 60;
+var d = h * 24;
+var w = d * 7;
+var y = d * 365.25;
+
+/**
+ * Parse or format the given `val`.
+ *
+ * Options:
+ *
+ *  - `long` verbose formatting [false]
+ *
+ * @param {String|Number} val
+ * @param {Object} [options]
+ * @throws {Error} throw an error if val is not a non-empty string or a number
+ * @return {String|Number}
+ * @api public
+ */
+
+module.exports = function (val, options) {
+  options = options || {};
+  var type = typeof val;
+  if (type === 'string' && val.length > 0) {
+    return parse(val);
+  } else if (type === 'number' && isFinite(val)) {
+    return options.long ? fmtLong(val) : fmtShort(val);
+  }
+  throw new Error(
+    'val is not a non-empty string or a valid number. val=' +
+      JSON.stringify(val)
+  );
+};
+
+/**
+ * Parse the given `str` and return milliseconds.
+ *
+ * @param {String} str
+ * @return {Number}
+ * @api private
+ */
+
+function parse(str) {
+  str = String(str);
+  if (str.length > 100) {
+    return;
+  }
+  var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec(
+    str
+  );
+  if (!match) {
+    return;
+  }
+  var n = parseFloat(match[1]);
+  var type = (match[2] || 'ms').toLowerCase();
+  switch (type) {
+    case 'years':
+    case 'year':
+    case 'yrs':
+    case 'yr':
+    case 'y':
+      return n * y;
+    case 'weeks':
+    case 'week':
+    case 'w':
+      return n * w;
+    case 'days':
+    case 'day':
+    case 'd':
+      return n * d;
+    case 'hours':
+    case 'hour':
+    case 'hrs':
+    case 'hr':
+    case 'h':
+      return n * h;
+    case 'minutes':
+    case 'minute':
+    case 'mins':
+    case 'min':
+    case 'm':
+      return n * m;
+    case 'seconds':
+    case 'second':
+    case 'secs':
+    case 'sec':
+    case 's':
+      return n * s;
+    case 'milliseconds':
+    case 'millisecond':
+    case 'msecs':
+    case 'msec':
+    case 'ms':
+      return n;
+    default:
+      return undefined;
+  }
+}
+
+/**
+ * Short format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtShort(ms) {
+  var msAbs = Math.abs(ms);
+  if (msAbs >= d) {
+    return Math.round(ms / d) + 'd';
+  }
+  if (msAbs >= h) {
+    return Math.round(ms / h) + 'h';
+  }
+  if (msAbs >= m) {
+    return Math.round(ms / m) + 'm';
+  }
+  if (msAbs >= s) {
+    return Math.round(ms / s) + 's';
+  }
+  return ms + 'ms';
+}
+
+/**
+ * Long format for `ms`.
+ *
+ * @param {Number} ms
+ * @return {String}
+ * @api private
+ */
+
+function fmtLong(ms) {
+  var msAbs = Math.abs(ms);
+  if (msAbs >= d) {
+    return plural(ms, msAbs, d, 'day');
+  }
+  if (msAbs >= h) {
+    return plural(ms, msAbs, h, 'hour');
+  }
+  if (msAbs >= m) {
+    return plural(ms, msAbs, m, 'minute');
+  }
+  if (msAbs >= s) {
+    return plural(ms, msAbs, s, 'second');
+  }
+  return ms + ' ms';
+}
+
+/**
+ * Pluralization helper.
+ */
+
+function plural(ms, msAbs, n, name) {
+  var isPlural = msAbs >= n * 1.5;
+  return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : '');
+}
diff --git a/node_modules/send/node_modules/ms/license.md b/node_modules/send/node_modules/ms/license.md
new file mode 100644
index 000000000..fa5d39b62
--- /dev/null
+++ b/node_modules/send/node_modules/ms/license.md
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2020 Vercel, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/send/node_modules/ms/package.json b/node_modules/send/node_modules/ms/package.json
new file mode 100644
index 000000000..49971890d
--- /dev/null
+++ b/node_modules/send/node_modules/ms/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "ms",
+  "version": "2.1.3",
+  "description": "Tiny millisecond conversion utility",
+  "repository": "vercel/ms",
+  "main": "./index",
+  "files": [
+    "index.js"
+  ],
+  "scripts": {
+    "precommit": "lint-staged",
+    "lint": "eslint lib/* bin/*",
+    "test": "mocha tests.js"
+  },
+  "eslintConfig": {
+    "extends": "eslint:recommended",
+    "env": {
+      "node": true,
+      "es6": true
+    }
+  },
+  "lint-staged": {
+    "*.js": [
+      "npm run lint",
+      "prettier --single-quote --write",
+      "git add"
+    ]
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "eslint": "4.18.2",
+    "expect.js": "0.3.1",
+    "husky": "0.14.3",
+    "lint-staged": "5.0.0",
+    "mocha": "4.0.1",
+    "prettier": "2.0.5"
+  }
+}
diff --git a/node_modules/send/node_modules/ms/readme.md b/node_modules/send/node_modules/ms/readme.md
new file mode 100644
index 000000000..0fc1abb3b
--- /dev/null
+++ b/node_modules/send/node_modules/ms/readme.md
@@ -0,0 +1,59 @@
+# ms
+
+![CI](https://github.com/vercel/ms/workflows/CI/badge.svg)
+
+Use this package to easily convert various time formats to milliseconds.
+
+## Examples
+
+```js
+ms('2 days')  // 172800000
+ms('1d')      // 86400000
+ms('10h')     // 36000000
+ms('2.5 hrs') // 9000000
+ms('2h')      // 7200000
+ms('1m')      // 60000
+ms('5s')      // 5000
+ms('1y')      // 31557600000
+ms('100')     // 100
+ms('-3 days') // -259200000
+ms('-1h')     // -3600000
+ms('-200')    // -200
+```
+
+### Convert from Milliseconds
+
+```js
+ms(60000)             // "1m"
+ms(2 * 60000)         // "2m"
+ms(-3 * 60000)        // "-3m"
+ms(ms('10 hours'))    // "10h"
+```
+
+### Time Format Written-Out
+
+```js
+ms(60000, { long: true })             // "1 minute"
+ms(2 * 60000, { long: true })         // "2 minutes"
+ms(-3 * 60000, { long: true })        // "-3 minutes"
+ms(ms('10 hours'), { long: true })    // "10 hours"
+```
+
+## Features
+
+- Works both in [Node.js](https://nodejs.org) and in the browser
+- If a number is supplied to `ms`, a string with a unit is returned
+- If a string that contains the number is supplied, it returns it as a number (e.g.: it returns `100` for `'100'`)
+- If you pass a string with a number and a valid unit, the number of equivalent milliseconds is returned
+
+## Related Packages
+
+- [ms.macro](https://github.com/knpwrs/ms.macro) - Run `ms` as a macro at build-time.
+
+## Caught a Bug?
+
+1. [Fork](https://help.github.com/articles/fork-a-repo/) this repository to your own GitHub account and then [clone](https://help.github.com/articles/cloning-a-repository/) it to your local device
+2. Link the package to the global module directory: `npm link`
+3. Within the module you want to test your local development instance of ms, just link it to the dependencies: `npm link ms`. Instead of the default one from npm, Node.js will now use your clone of ms!
+
+As always, you can run the tests using: `npm test`
diff --git a/node_modules/send/package.json b/node_modules/send/package.json
new file mode 100644
index 000000000..7f269d515
--- /dev/null
+++ b/node_modules/send/package.json
@@ -0,0 +1,62 @@
+{
+  "name": "send",
+  "description": "Better streaming static file server with Range and conditional-GET support",
+  "version": "0.18.0",
+  "author": "TJ Holowaychuk <tj@vision-media.ca>",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "James Wyatt Cready <jcready@gmail.com>",
+    "Jesús Leganés Combarro <piranna@gmail.com>"
+  ],
+  "license": "MIT",
+  "repository": "pillarjs/send",
+  "keywords": [
+    "static",
+    "file",
+    "server"
+  ],
+  "dependencies": {
+    "debug": "2.6.9",
+    "depd": "2.0.0",
+    "destroy": "1.2.0",
+    "encodeurl": "~1.0.2",
+    "escape-html": "~1.0.3",
+    "etag": "~1.8.1",
+    "fresh": "0.5.2",
+    "http-errors": "2.0.0",
+    "mime": "1.6.0",
+    "ms": "2.1.3",
+    "on-finished": "2.4.1",
+    "range-parser": "~1.2.1",
+    "statuses": "2.0.1"
+  },
+  "devDependencies": {
+    "after": "0.8.2",
+    "eslint": "7.32.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.25.4",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "5.2.0",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "9.2.2",
+    "nyc": "15.1.0",
+    "supertest": "6.2.2"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "README.md",
+    "SECURITY.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8.0"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --check-leaks --reporter spec --bail",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test"
+  }
+}
diff --git a/node_modules/serve-static/HISTORY.md b/node_modules/serve-static/HISTORY.md
new file mode 100644
index 000000000..6b5845635
--- /dev/null
+++ b/node_modules/serve-static/HISTORY.md
@@ -0,0 +1,471 @@
+1.15.0 / 2022-03-24
+===================
+
+  * deps: send@0.18.0
+    - Fix emitted 416 error missing headers property
+    - Limit the headers removed for 304 response
+    - deps: depd@2.0.0
+    - deps: destroy@1.2.0
+    - deps: http-errors@2.0.0
+    - deps: on-finished@2.4.1
+    - deps: statuses@2.0.1
+
+1.14.2 / 2021-12-15
+===================
+
+  * deps: send@0.17.2
+    - deps: http-errors@1.8.1
+    - deps: ms@2.1.3
+    - pref: ignore empty http tokens
+
+1.14.1 / 2019-05-10
+===================
+
+  * Set stricter CSP header in redirect response
+  * deps: send@0.17.1
+    - deps: range-parser@~1.2.1
+
+1.14.0 / 2019-05-07
+===================
+
+  * deps: parseurl@~1.3.3
+  * deps: send@0.17.0
+    - deps: http-errors@~1.7.2
+    - deps: mime@1.6.0
+    - deps: ms@2.1.1
+    - deps: statuses@~1.5.0
+    - perf: remove redundant `path.normalize` call
+
+1.13.2 / 2018-02-07
+===================
+
+  * Fix incorrect end tag in redirects
+  * deps: encodeurl@~1.0.2
+    - Fix encoding `%` as last character
+  * deps: send@0.16.2
+    - deps: depd@~1.1.2
+    - deps: encodeurl@~1.0.2
+    - deps: statuses@~1.4.0
+
+1.13.1 / 2017-09-29
+===================
+
+  * Fix regression when `root` is incorrectly set to a file
+  * deps: send@0.16.1
+
+1.13.0 / 2017-09-27
+===================
+
+  * deps: send@0.16.0
+    - Add 70 new types for file extensions
+    - Add `immutable` option
+    - Fix missing `</html>` in default error & redirects
+    - Set charset as "UTF-8" for .js and .json
+    - Use instance methods on steam to check for listeners
+    - deps: mime@1.4.1
+    - perf: improve path validation speed
+
+1.12.6 / 2017-09-22
+===================
+
+  * deps: send@0.15.6
+    - deps: debug@2.6.9
+    - perf: improve `If-Match` token parsing
+  * perf: improve slash collapsing
+
+1.12.5 / 2017-09-21
+===================
+
+  * deps: parseurl@~1.3.2
+    - perf: reduce overhead for full URLs
+    - perf: unroll the "fast-path" `RegExp`
+  * deps: send@0.15.5
+    - Fix handling of modified headers with invalid dates
+    - deps: etag@~1.8.1
+    - deps: fresh@0.5.2
+
+1.12.4 / 2017-08-05
+===================
+
+  * deps: send@0.15.4
+    - deps: debug@2.6.8
+    - deps: depd@~1.1.1
+    - deps: http-errors@~1.6.2
+
+1.12.3 / 2017-05-16
+===================
+
+  * deps: send@0.15.3
+    - deps: debug@2.6.7
+
+1.12.2 / 2017-04-26
+===================
+
+  * deps: send@0.15.2
+    - deps: debug@2.6.4
+
+1.12.1 / 2017-03-04
+===================
+
+  * deps: send@0.15.1
+    - Fix issue when `Date.parse` does not return `NaN` on invalid date
+    - Fix strict violation in broken environments
+
+1.12.0 / 2017-02-25
+===================
+
+  * Send complete HTML document in redirect response
+  * Set default CSP header in redirect response
+  * deps: send@0.15.0
+    - Fix false detection of `no-cache` request directive
+    - Fix incorrect result when `If-None-Match` has both `*` and ETags
+    - Fix weak `ETag` matching to match spec
+    - Remove usage of `res._headers` private field
+    - Support `If-Match` and `If-Unmodified-Since` headers
+    - Use `res.getHeaderNames()` when available
+    - Use `res.headersSent` when available
+    - deps: debug@2.6.1
+    - deps: etag@~1.8.0
+    - deps: fresh@0.5.0
+    - deps: http-errors@~1.6.1
+
+1.11.2 / 2017-01-23
+===================
+
+  * deps: send@0.14.2
+    - deps: http-errors@~1.5.1
+    - deps: ms@0.7.2
+    - deps: statuses@~1.3.1
+
+1.11.1 / 2016-06-10
+===================
+
+  * Fix redirect error when `req.url` contains raw non-URL characters
+  * deps: send@0.14.1
+
+1.11.0 / 2016-06-07
+===================
+
+  * Use status code 301 for redirects
+  * deps: send@0.14.0
+    - Add `acceptRanges` option
+    - Add `cacheControl` option
+    - Attempt to combine multiple ranges into single range
+    - Correctly inherit from `Stream` class
+    - Fix `Content-Range` header in 416 responses when using `start`/`end` options
+    - Fix `Content-Range` header missing from default 416 responses
+    - Ignore non-byte `Range` headers
+    - deps: http-errors@~1.5.0
+    - deps: range-parser@~1.2.0
+    - deps: statuses@~1.3.0
+    - perf: remove argument reassignment
+
+1.10.3 / 2016-05-30
+===================
+
+  * deps: send@0.13.2
+    - Fix invalid `Content-Type` header when `send.mime.default_type` unset
+
+1.10.2 / 2016-01-19
+===================
+
+  * deps: parseurl@~1.3.1
+    - perf: enable strict mode
+
+1.10.1 / 2016-01-16
+===================
+
+  * deps: escape-html@~1.0.3
+    - perf: enable strict mode
+    - perf: optimize string replacement
+    - perf: use faster string coercion
+  * deps: send@0.13.1
+    - deps: depd@~1.1.0
+    - deps: destroy@~1.0.4
+    - deps: escape-html@~1.0.3
+    - deps: range-parser@~1.0.3
+
+1.10.0 / 2015-06-17
+===================
+
+  * Add `fallthrough` option
+    - Allows declaring this middleware is the final destination
+    - Provides better integration with Express patterns
+  * Fix reading options from options prototype
+  * Improve the default redirect response headers
+  * deps: escape-html@1.0.2
+  * deps: send@0.13.0
+    - Allow Node.js HTTP server to set `Date` response header
+    - Fix incorrectly removing `Content-Location` on 304 response
+    - Improve the default redirect response headers
+    - Send appropriate headers on default error response
+    - Use `http-errors` for standard emitted errors
+    - Use `statuses` instead of `http` module for status messages
+    - deps: escape-html@1.0.2
+    - deps: etag@~1.7.0
+    - deps: fresh@0.3.0
+    - deps: on-finished@~2.3.0
+    - perf: enable strict mode
+    - perf: remove unnecessary array allocations
+  * perf: enable strict mode
+  * perf: remove argument reassignment
+
+1.9.3 / 2015-05-14
+==================
+
+  * deps: send@0.12.3
+    - deps: debug@~2.2.0
+    - deps: depd@~1.0.1
+    - deps: etag@~1.6.0
+    - deps: ms@0.7.1
+    - deps: on-finished@~2.2.1
+
+1.9.2 / 2015-03-14
+==================
+
+  * deps: send@0.12.2
+    - Throw errors early for invalid `extensions` or `index` options
+    - deps: debug@~2.1.3
+
+1.9.1 / 2015-02-17
+==================
+
+  * deps: send@0.12.1
+    - Fix regression sending zero-length files
+
+1.9.0 / 2015-02-16
+==================
+
+  * deps: send@0.12.0
+    - Always read the stat size from the file
+    - Fix mutating passed-in `options`
+    - deps: mime@1.3.4
+
+1.8.1 / 2015-01-20
+==================
+
+  * Fix redirect loop in Node.js 0.11.14
+  * deps: send@0.11.1
+    - Fix root path disclosure
+
+1.8.0 / 2015-01-05
+==================
+
+  * deps: send@0.11.0
+    - deps: debug@~2.1.1
+    - deps: etag@~1.5.1
+    - deps: ms@0.7.0
+    - deps: on-finished@~2.2.0
+
+1.7.2 / 2015-01-02
+==================
+
+  * Fix potential open redirect when mounted at root
+
+1.7.1 / 2014-10-22
+==================
+
+  * deps: send@0.10.1
+    - deps: on-finished@~2.1.1
+
+1.7.0 / 2014-10-15
+==================
+
+  * deps: send@0.10.0
+    - deps: debug@~2.1.0
+    - deps: depd@~1.0.0
+    - deps: etag@~1.5.0
+
+1.6.5 / 2015-02-04
+==================
+
+  * Fix potential open redirect when mounted at root
+    - Back-ported from v1.7.2
+
+1.6.4 / 2014-10-08
+==================
+
+  * Fix redirect loop when index file serving disabled
+
+1.6.3 / 2014-09-24
+==================
+
+  * deps: send@0.9.3
+    - deps: etag@~1.4.0
+
+1.6.2 / 2014-09-15
+==================
+
+  * deps: send@0.9.2
+    - deps: depd@0.4.5
+    - deps: etag@~1.3.1
+    - deps: range-parser@~1.0.2
+
+1.6.1 / 2014-09-07
+==================
+
+  * deps: send@0.9.1
+    - deps: fresh@0.2.4
+
+1.6.0 / 2014-09-07
+==================
+
+  * deps: send@0.9.0
+    - Add `lastModified` option
+    - Use `etag` to generate `ETag` header
+    - deps: debug@~2.0.0
+
+1.5.4 / 2014-09-04
+==================
+
+  * deps: send@0.8.5
+    - Fix a path traversal issue when using `root`
+    - Fix malicious path detection for empty string path
+
+1.5.3 / 2014-08-17
+==================
+
+  * deps: send@0.8.3
+
+1.5.2 / 2014-08-14
+==================
+
+  * deps: send@0.8.2
+    - Work around `fd` leak in Node.js 0.10 for `fs.ReadStream`
+
+1.5.1 / 2014-08-09
+==================
+
+  * Fix parsing of weird `req.originalUrl` values
+  * deps: parseurl@~1.3.0
+  * deps: utils-merge@1.0.0
+
+1.5.0 / 2014-08-05
+==================
+
+  * deps: send@0.8.1
+    - Add `extensions` option
+
+1.4.4 / 2014-08-04
+==================
+
+  * deps: send@0.7.4
+    - Fix serving index files without root dir
+
+1.4.3 / 2014-07-29
+==================
+
+  * deps: send@0.7.3
+    - Fix incorrect 403 on Windows and Node.js 0.11
+
+1.4.2 / 2014-07-27
+==================
+
+  * deps: send@0.7.2
+    - deps: depd@0.4.4
+
+1.4.1 / 2014-07-26
+==================
+
+  * deps: send@0.7.1
+    - deps: depd@0.4.3
+
+1.4.0 / 2014-07-21
+==================
+
+  * deps: parseurl@~1.2.0
+    - Cache URLs based on original value
+    - Remove no-longer-needed URL mis-parse work-around
+    - Simplify the "fast-path" `RegExp`
+  * deps: send@0.7.0
+    - Add `dotfiles` option
+    - deps: debug@1.0.4
+    - deps: depd@0.4.2
+
+1.3.2 / 2014-07-11
+==================
+
+  * deps: send@0.6.0
+    - Cap `maxAge` value to 1 year
+    - deps: debug@1.0.3
+
+1.3.1 / 2014-07-09
+==================
+
+  * deps: parseurl@~1.1.3
+    - faster parsing of href-only URLs
+
+1.3.0 / 2014-06-28
+==================
+
+  * Add `setHeaders` option
+  * Include HTML link in redirect response
+  * deps: send@0.5.0
+    - Accept string for `maxAge` (converted by `ms`)
+
+1.2.3 / 2014-06-11
+==================
+
+  * deps: send@0.4.3
+    - Do not throw un-catchable error on file open race condition
+    - Use `escape-html` for HTML escaping
+    - deps: debug@1.0.2
+    - deps: finished@1.2.2
+    - deps: fresh@0.2.2
+
+1.2.2 / 2014-06-09
+==================
+
+  * deps: send@0.4.2
+    - fix "event emitter leak" warnings
+    - deps: debug@1.0.1
+    - deps: finished@1.2.1
+
+1.2.1 / 2014-06-02
+==================
+
+  * use `escape-html` for escaping
+  * deps: send@0.4.1
+    - Send `max-age` in `Cache-Control` in correct format
+
+1.2.0 / 2014-05-29
+==================
+
+  * deps: send@0.4.0
+    - Calculate ETag with md5 for reduced collisions
+    - Fix wrong behavior when index file matches directory
+    - Ignore stream errors after request ends
+    - Skip directories in index file search
+    - deps: debug@0.8.1
+
+1.1.0 / 2014-04-24
+==================
+
+  * Accept options directly to `send` module
+  * deps: send@0.3.0
+
+1.0.4 / 2014-04-07
+==================
+
+  * Resolve relative paths at middleware setup
+  * Use parseurl to parse the URL from request
+
+1.0.3 / 2014-03-20
+==================
+
+  * Do not rely on connect-like environments
+
+1.0.2 / 2014-03-06
+==================
+
+  * deps: send@0.2.0
+
+1.0.1 / 2014-03-05
+==================
+
+  * Add mime export for back-compat
+
+1.0.0 / 2014-03-05
+==================
+
+  * Genesis from `connect`
diff --git a/node_modules/serve-static/LICENSE b/node_modules/serve-static/LICENSE
new file mode 100644
index 000000000..cbe62e8e7
--- /dev/null
+++ b/node_modules/serve-static/LICENSE
@@ -0,0 +1,25 @@
+(The MIT License)
+
+Copyright (c) 2010 Sencha Inc.
+Copyright (c) 2011 LearnBoost
+Copyright (c) 2011 TJ Holowaychuk
+Copyright (c) 2014-2016 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/serve-static/README.md b/node_modules/serve-static/README.md
new file mode 100644
index 000000000..262d944ab
--- /dev/null
+++ b/node_modules/serve-static/README.md
@@ -0,0 +1,257 @@
+# serve-static
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Linux Build][github-actions-ci-image]][github-actions-ci-url]
+[![Windows Build][appveyor-image]][appveyor-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+## Install
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install serve-static
+```
+
+## API
+
+```js
+var serveStatic = require('serve-static')
+```
+
+### serveStatic(root, options)
+
+Create a new middleware function to serve files from within a given root
+directory. The file to serve will be determined by combining `req.url`
+with the provided root directory. When a file is not found, instead of
+sending a 404 response, this module will instead call `next()` to move on
+to the next middleware, allowing for stacking and fall-backs.
+
+#### Options
+
+##### acceptRanges
+
+Enable or disable accepting ranged requests, defaults to true.
+Disabling this will not send `Accept-Ranges` and ignore the contents
+of the `Range` request header.
+
+##### cacheControl
+
+Enable or disable setting `Cache-Control` response header, defaults to
+true. Disabling this will ignore the `immutable` and `maxAge` options.
+
+##### dotfiles
+
+ Set how "dotfiles" are treated when encountered. A dotfile is a file
+or directory that begins with a dot ("."). Note this check is done on
+the path itself without checking if the path actually exists on the
+disk. If `root` is specified, only the dotfiles above the root are
+checked (i.e. the root itself can be within a dotfile when set
+to "deny").
+
+  - `'allow'` No special treatment for dotfiles.
+  - `'deny'` Deny a request for a dotfile and 403/`next()`.
+  - `'ignore'` Pretend like the dotfile does not exist and 404/`next()`.
+
+The default value is similar to `'ignore'`, with the exception that this
+default will not ignore the files within a directory that begins with a dot.
+
+##### etag
+
+Enable or disable etag generation, defaults to true.
+
+##### extensions
+
+Set file extension fallbacks. When set, if a file is not found, the given
+extensions will be added to the file name and search for. The first that
+exists will be served. Example: `['html', 'htm']`.
+
+The default value is `false`.
+
+##### fallthrough
+
+Set the middleware to have client errors fall-through as just unhandled
+requests, otherwise forward a client error. The difference is that client
+errors like a bad request or a request to a non-existent file will cause
+this middleware to simply `next()` to your next middleware when this value
+is `true`. When this value is `false`, these errors (even 404s), will invoke
+`next(err)`.
+
+Typically `true` is desired such that multiple physical directories can be
+mapped to the same web address or for routes to fill in non-existent files.
+
+The value `false` can be used if this middleware is mounted at a path that
+is designed to be strictly a single file system directory, which allows for
+short-circuiting 404s for less overhead. This middleware will also reply to
+all methods.
+
+The default value is `true`.
+
+##### immutable
+
+Enable or disable the `immutable` directive in the `Cache-Control` response
+header, defaults to `false`. If set to `true`, the `maxAge` option should
+also be specified to enable caching. The `immutable` directive will prevent
+supported clients from making conditional requests during the life of the
+`maxAge` option to check if the file has changed.
+
+##### index
+
+By default this module will send "index.html" files in response to a request
+on a directory. To disable this set `false` or to supply a new index pass a
+string or an array in preferred order.
+
+##### lastModified
+
+Enable or disable `Last-Modified` header, defaults to true. Uses the file
+system's last modified value.
+
+##### maxAge
+
+Provide a max-age in milliseconds for http caching, defaults to 0. This
+can also be a string accepted by the [ms](https://www.npmjs.org/package/ms#readme)
+module.
+
+##### redirect
+
+Redirect to trailing "/" when the pathname is a dir. Defaults to `true`.
+
+##### setHeaders
+
+Function to set custom headers on response. Alterations to the headers need to
+occur synchronously. The function is called as `fn(res, path, stat)`, where
+the arguments are:
+
+  - `res` the response object
+  - `path` the file path that is being sent
+  - `stat` the stat object of the file that is being sent
+
+## Examples
+
+### Serve files with vanilla node.js http server
+
+```js
+var finalhandler = require('finalhandler')
+var http = require('http')
+var serveStatic = require('serve-static')
+
+// Serve up public/ftp folder
+var serve = serveStatic('public/ftp', { index: ['index.html', 'index.htm'] })
+
+// Create server
+var server = http.createServer(function onRequest (req, res) {
+  serve(req, res, finalhandler(req, res))
+})
+
+// Listen
+server.listen(3000)
+```
+
+### Serve all files as downloads
+
+```js
+var contentDisposition = require('content-disposition')
+var finalhandler = require('finalhandler')
+var http = require('http')
+var serveStatic = require('serve-static')
+
+// Serve up public/ftp folder
+var serve = serveStatic('public/ftp', {
+  index: false,
+  setHeaders: setHeaders
+})
+
+// Set header to force download
+function setHeaders (res, path) {
+  res.setHeader('Content-Disposition', contentDisposition(path))
+}
+
+// Create server
+var server = http.createServer(function onRequest (req, res) {
+  serve(req, res, finalhandler(req, res))
+})
+
+// Listen
+server.listen(3000)
+```
+
+### Serving using express
+
+#### Simple
+
+This is a simple example of using Express.
+
+```js
+var express = require('express')
+var serveStatic = require('serve-static')
+
+var app = express()
+
+app.use(serveStatic('public/ftp', { index: ['default.html', 'default.htm'] }))
+app.listen(3000)
+```
+
+#### Multiple roots
+
+This example shows a simple way to search through multiple directories.
+Files are searched for in `public-optimized/` first, then `public/` second
+as a fallback.
+
+```js
+var express = require('express')
+var path = require('path')
+var serveStatic = require('serve-static')
+
+var app = express()
+
+app.use(serveStatic(path.join(__dirname, 'public-optimized')))
+app.use(serveStatic(path.join(__dirname, 'public')))
+app.listen(3000)
+```
+
+#### Different settings for paths
+
+This example shows how to set a different max age depending on the served
+file type. In this example, HTML files are not cached, while everything else
+is for 1 day.
+
+```js
+var express = require('express')
+var path = require('path')
+var serveStatic = require('serve-static')
+
+var app = express()
+
+app.use(serveStatic(path.join(__dirname, 'public'), {
+  maxAge: '1d',
+  setHeaders: setCustomCacheControl
+}))
+
+app.listen(3000)
+
+function setCustomCacheControl (res, path) {
+  if (serveStatic.mime.lookup(path) === 'text/html') {
+    // Custom Cache-Control for HTML files
+    res.setHeader('Cache-Control', 'public, max-age=0')
+  }
+}
+```
+
+## License
+
+[MIT](LICENSE)
+
+[appveyor-image]: https://badgen.net/appveyor/ci/dougwilson/serve-static/master?label=windows
+[appveyor-url]: https://ci.appveyor.com/project/dougwilson/serve-static
+[coveralls-image]: https://badgen.net/coveralls/c/github/expressjs/serve-static/master
+[coveralls-url]: https://coveralls.io/r/expressjs/serve-static?branch=master
+[github-actions-ci-image]: https://badgen.net/github/checks/expressjs/serve-static/master?label=linux
+[github-actions-ci-url]: https://github.com/expressjs/serve-static/actions/workflows/ci.yml
+[node-image]: https://badgen.net/npm/node/serve-static
+[node-url]: https://nodejs.org/en/download/
+[npm-downloads-image]: https://badgen.net/npm/dm/serve-static
+[npm-url]: https://npmjs.org/package/serve-static
+[npm-version-image]: https://badgen.net/npm/v/serve-static
diff --git a/node_modules/serve-static/index.js b/node_modules/serve-static/index.js
new file mode 100644
index 000000000..b7d3984c4
--- /dev/null
+++ b/node_modules/serve-static/index.js
@@ -0,0 +1,210 @@
+/*!
+ * serve-static
+ * Copyright(c) 2010 Sencha Inc.
+ * Copyright(c) 2011 TJ Holowaychuk
+ * Copyright(c) 2014-2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var encodeUrl = require('encodeurl')
+var escapeHtml = require('escape-html')
+var parseUrl = require('parseurl')
+var resolve = require('path').resolve
+var send = require('send')
+var url = require('url')
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = serveStatic
+module.exports.mime = send.mime
+
+/**
+ * @param {string} root
+ * @param {object} [options]
+ * @return {function}
+ * @public
+ */
+
+function serveStatic (root, options) {
+  if (!root) {
+    throw new TypeError('root path required')
+  }
+
+  if (typeof root !== 'string') {
+    throw new TypeError('root path must be a string')
+  }
+
+  // copy options object
+  var opts = Object.create(options || null)
+
+  // fall-though
+  var fallthrough = opts.fallthrough !== false
+
+  // default redirect
+  var redirect = opts.redirect !== false
+
+  // headers listener
+  var setHeaders = opts.setHeaders
+
+  if (setHeaders && typeof setHeaders !== 'function') {
+    throw new TypeError('option setHeaders must be function')
+  }
+
+  // setup options for send
+  opts.maxage = opts.maxage || opts.maxAge || 0
+  opts.root = resolve(root)
+
+  // construct directory listener
+  var onDirectory = redirect
+    ? createRedirectDirectoryListener()
+    : createNotFoundDirectoryListener()
+
+  return function serveStatic (req, res, next) {
+    if (req.method !== 'GET' && req.method !== 'HEAD') {
+      if (fallthrough) {
+        return next()
+      }
+
+      // method not allowed
+      res.statusCode = 405
+      res.setHeader('Allow', 'GET, HEAD')
+      res.setHeader('Content-Length', '0')
+      res.end()
+      return
+    }
+
+    var forwardError = !fallthrough
+    var originalUrl = parseUrl.original(req)
+    var path = parseUrl(req).pathname
+
+    // make sure redirect occurs at mount
+    if (path === '/' && originalUrl.pathname.substr(-1) !== '/') {
+      path = ''
+    }
+
+    // create send stream
+    var stream = send(req, path, opts)
+
+    // add directory handler
+    stream.on('directory', onDirectory)
+
+    // add headers listener
+    if (setHeaders) {
+      stream.on('headers', setHeaders)
+    }
+
+    // add file listener for fallthrough
+    if (fallthrough) {
+      stream.on('file', function onFile () {
+        // once file is determined, always forward error
+        forwardError = true
+      })
+    }
+
+    // forward errors
+    stream.on('error', function error (err) {
+      if (forwardError || !(err.statusCode < 500)) {
+        next(err)
+        return
+      }
+
+      next()
+    })
+
+    // pipe
+    stream.pipe(res)
+  }
+}
+
+/**
+ * Collapse all leading slashes into a single slash
+ * @private
+ */
+function collapseLeadingSlashes (str) {
+  for (var i = 0; i < str.length; i++) {
+    if (str.charCodeAt(i) !== 0x2f /* / */) {
+      break
+    }
+  }
+
+  return i > 1
+    ? '/' + str.substr(i)
+    : str
+}
+
+/**
+ * Create a minimal HTML document.
+ *
+ * @param {string} title
+ * @param {string} body
+ * @private
+ */
+
+function createHtmlDocument (title, body) {
+  return '<!DOCTYPE html>\n' +
+    '<html lang="en">\n' +
+    '<head>\n' +
+    '<meta charset="utf-8">\n' +
+    '<title>' + title + '</title>\n' +
+    '</head>\n' +
+    '<body>\n' +
+    '<pre>' + body + '</pre>\n' +
+    '</body>\n' +
+    '</html>\n'
+}
+
+/**
+ * Create a directory listener that just 404s.
+ * @private
+ */
+
+function createNotFoundDirectoryListener () {
+  return function notFound () {
+    this.error(404)
+  }
+}
+
+/**
+ * Create a directory listener that performs a redirect.
+ * @private
+ */
+
+function createRedirectDirectoryListener () {
+  return function redirect (res) {
+    if (this.hasTrailingSlash()) {
+      this.error(404)
+      return
+    }
+
+    // get original URL
+    var originalUrl = parseUrl.original(this.req)
+
+    // append trailing slash
+    originalUrl.path = null
+    originalUrl.pathname = collapseLeadingSlashes(originalUrl.pathname + '/')
+
+    // reformat the URL
+    var loc = encodeUrl(url.format(originalUrl))
+    var doc = createHtmlDocument('Redirecting', 'Redirecting to <a href="' + escapeHtml(loc) + '">' +
+      escapeHtml(loc) + '</a>')
+
+    // send redirect response
+    res.statusCode = 301
+    res.setHeader('Content-Type', 'text/html; charset=UTF-8')
+    res.setHeader('Content-Length', Buffer.byteLength(doc))
+    res.setHeader('Content-Security-Policy', "default-src 'none'")
+    res.setHeader('X-Content-Type-Options', 'nosniff')
+    res.setHeader('Location', loc)
+    res.end(doc)
+  }
+}
diff --git a/node_modules/serve-static/package.json b/node_modules/serve-static/package.json
new file mode 100644
index 000000000..9d935f5d8
--- /dev/null
+++ b/node_modules/serve-static/package.json
@@ -0,0 +1,42 @@
+{
+  "name": "serve-static",
+  "description": "Serve static files",
+  "version": "1.15.0",
+  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
+  "license": "MIT",
+  "repository": "expressjs/serve-static",
+  "dependencies": {
+    "encodeurl": "~1.0.2",
+    "escape-html": "~1.0.3",
+    "parseurl": "~1.3.3",
+    "send": "0.18.0"
+  },
+  "devDependencies": {
+    "eslint": "7.32.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.25.4",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "5.2.0",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "9.2.2",
+    "nyc": "15.1.0",
+    "safe-buffer": "5.2.1",
+    "supertest": "6.2.2"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8.0"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "version": "node scripts/version-history.js && git add HISTORY.md"
+  }
+}
diff --git a/node_modules/setprototypeof/LICENSE b/node_modules/setprototypeof/LICENSE
new file mode 100644
index 000000000..61afa2f18
--- /dev/null
+++ b/node_modules/setprototypeof/LICENSE
@@ -0,0 +1,13 @@
+Copyright (c) 2015, Wes Todd
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/node_modules/setprototypeof/README.md b/node_modules/setprototypeof/README.md
new file mode 100644
index 000000000..791eeff0c
--- /dev/null
+++ b/node_modules/setprototypeof/README.md
@@ -0,0 +1,31 @@
+# Polyfill for `Object.setPrototypeOf`
+
+[![NPM Version](https://img.shields.io/npm/v/setprototypeof.svg)](https://npmjs.org/package/setprototypeof)
+[![NPM Downloads](https://img.shields.io/npm/dm/setprototypeof.svg)](https://npmjs.org/package/setprototypeof)
+[![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg)](https://github.com/standard/standard)
+
+A simple cross platform implementation to set the prototype of an instianted object.  Supports all modern browsers and at least back to IE8.
+
+## Usage:
+
+```
+$ npm install --save setprototypeof
+```
+
+```javascript
+var setPrototypeOf = require('setprototypeof')
+
+var obj = {}
+setPrototypeOf(obj, {
+  foo: function () {
+    return 'bar'
+  }
+})
+obj.foo() // bar
+```
+
+TypeScript is also supported:
+
+```typescript
+import setPrototypeOf from 'setprototypeof'
+```
diff --git a/node_modules/setprototypeof/index.d.ts b/node_modules/setprototypeof/index.d.ts
new file mode 100644
index 000000000..f108ecd0a
--- /dev/null
+++ b/node_modules/setprototypeof/index.d.ts
@@ -0,0 +1,2 @@
+declare function setPrototypeOf(o: any, proto: object | null): any;
+export = setPrototypeOf;
diff --git a/node_modules/setprototypeof/index.js b/node_modules/setprototypeof/index.js
new file mode 100644
index 000000000..c5270551e
--- /dev/null
+++ b/node_modules/setprototypeof/index.js
@@ -0,0 +1,17 @@
+'use strict'
+/* eslint no-proto: 0 */
+module.exports = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array ? setProtoOf : mixinProperties)
+
+function setProtoOf (obj, proto) {
+  obj.__proto__ = proto
+  return obj
+}
+
+function mixinProperties (obj, proto) {
+  for (var prop in proto) {
+    if (!Object.prototype.hasOwnProperty.call(obj, prop)) {
+      obj[prop] = proto[prop]
+    }
+  }
+  return obj
+}
diff --git a/node_modules/setprototypeof/package.json b/node_modules/setprototypeof/package.json
new file mode 100644
index 000000000..f20915bea
--- /dev/null
+++ b/node_modules/setprototypeof/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "setprototypeof",
+  "version": "1.2.0",
+  "description": "A small polyfill for Object.setprototypeof",
+  "main": "index.js",
+  "typings": "index.d.ts",
+  "scripts": {
+    "test": "standard && mocha",
+    "testallversions": "npm run node010 && npm run node4 && npm run node6 && npm run node9 && npm run node11",
+    "testversion": "docker run -it --rm -v $(PWD):/usr/src/app -w /usr/src/app node:${NODE_VER} npm install mocha@${MOCHA_VER:-latest} && npm t",
+    "node010": "NODE_VER=0.10 MOCHA_VER=3 npm run testversion",
+    "node4": "NODE_VER=4 npm run testversion",
+    "node6": "NODE_VER=6 npm run testversion",
+    "node9": "NODE_VER=9 npm run testversion",
+    "node11": "NODE_VER=11 npm run testversion",
+    "prepublishOnly": "npm t",
+    "postpublish": "git push origin && git push origin --tags"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/wesleytodd/setprototypeof.git"
+  },
+  "keywords": [
+    "polyfill",
+    "object",
+    "setprototypeof"
+  ],
+  "author": "Wes Todd",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/wesleytodd/setprototypeof/issues"
+  },
+  "homepage": "https://github.com/wesleytodd/setprototypeof",
+  "devDependencies": {
+    "mocha": "^6.1.4",
+    "standard": "^13.0.2"
+  }
+}
diff --git a/node_modules/setprototypeof/test/index.js b/node_modules/setprototypeof/test/index.js
new file mode 100644
index 000000000..afeb4ddb2
--- /dev/null
+++ b/node_modules/setprototypeof/test/index.js
@@ -0,0 +1,24 @@
+'use strict'
+/* eslint-env mocha */
+/* eslint no-proto: 0 */
+var assert = require('assert')
+var setPrototypeOf = require('..')
+
+describe('setProtoOf(obj, proto)', function () {
+  it('should merge objects', function () {
+    var obj = { a: 1, b: 2 }
+    var proto = { b: 3, c: 4 }
+    var mergeObj = setPrototypeOf(obj, proto)
+
+    if (Object.getPrototypeOf) {
+      assert.strictEqual(Object.getPrototypeOf(obj), proto)
+    } else if ({ __proto__: [] } instanceof Array) {
+      assert.strictEqual(obj.__proto__, proto)
+    } else {
+      assert.strictEqual(obj.a, 1)
+      assert.strictEqual(obj.b, 2)
+      assert.strictEqual(obj.c, 4)
+    }
+    assert.strictEqual(mergeObj, obj)
+  })
+})
diff --git a/node_modules/side-channel/.eslintignore b/node_modules/side-channel/.eslintignore
new file mode 100644
index 000000000..404abb221
--- /dev/null
+++ b/node_modules/side-channel/.eslintignore
@@ -0,0 +1 @@
+coverage/
diff --git a/node_modules/side-channel/.eslintrc b/node_modules/side-channel/.eslintrc
new file mode 100644
index 000000000..850ac1fa8
--- /dev/null
+++ b/node_modules/side-channel/.eslintrc
@@ -0,0 +1,11 @@
+{
+	"root": true,
+
+	"extends": "@ljharb",
+
+	"rules": {
+		"max-lines-per-function": 0,
+		"max-params": 0,
+		"new-cap": [2, { "capIsNewExceptions": ["GetIntrinsic"] }],
+	},
+}
diff --git a/node_modules/side-channel/.github/FUNDING.yml b/node_modules/side-channel/.github/FUNDING.yml
new file mode 100644
index 000000000..2a94840c6
--- /dev/null
+++ b/node_modules/side-channel/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [ljharb]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: npm/side-channel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/node_modules/side-channel/.nycrc b/node_modules/side-channel/.nycrc
new file mode 100644
index 000000000..1826526e0
--- /dev/null
+++ b/node_modules/side-channel/.nycrc
@@ -0,0 +1,13 @@
+{
+	"all": true,
+	"check-coverage": false,
+	"reporter": ["text-summary", "text", "html", "json"],
+	"lines": 86,
+	"statements": 85.93,
+	"functions": 82.43,
+	"branches": 76.06,
+	"exclude": [
+		"coverage",
+		"test"
+	]
+}
diff --git a/node_modules/side-channel/CHANGELOG.md b/node_modules/side-channel/CHANGELOG.md
new file mode 100644
index 000000000..a3d161fac
--- /dev/null
+++ b/node_modules/side-channel/CHANGELOG.md
@@ -0,0 +1,65 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [v1.0.4](https://github.com/ljharb/side-channel/compare/v1.0.3...v1.0.4) - 2020-12-29
+
+### Commits
+
+- [Tests] migrate tests to Github Actions [`10909cb`](https://github.com/ljharb/side-channel/commit/10909cbf8ce9c0bf96f604cf13d7ffd5a22c2d40)
+- [Refactor] Use a linked list rather than an array, and move accessed nodes to the beginning [`195613f`](https://github.com/ljharb/side-channel/commit/195613f28b5c1e6072ef0b61b5beebaf2b6a304e)
+- [meta] do not publish github action workflow files [`290ec29`](https://github.com/ljharb/side-channel/commit/290ec29cd21a60585145b4a7237ec55228c52c27)
+- [Tests] run `nyc` on all tests; use `tape` runner [`ea6d030`](https://github.com/ljharb/side-channel/commit/ea6d030ff3fe6be2eca39e859d644c51ecd88869)
+- [actions] add "Allow Edits" workflow [`d464d8f`](https://github.com/ljharb/side-channel/commit/d464d8fe52b5eddf1504a0ed97f0941a90f32c15)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog` [`02daca8`](https://github.com/ljharb/side-channel/commit/02daca87c6809821c97be468d1afa2f5ef447383)
+- [Refactor] use `call-bind` and `get-intrinsic` instead of `es-abstract` [`e09d481`](https://github.com/ljharb/side-channel/commit/e09d481528452ebafa5cdeae1af665c35aa2deee)
+- [Deps] update `object.assign` [`ee83aa8`](https://github.com/ljharb/side-channel/commit/ee83aa81df313b5e46319a63adb05cf0c179079a)
+- [actions] update rebase action to use checkout v2 [`7726b0b`](https://github.com/ljharb/side-channel/commit/7726b0b058b632fccea709f58960871defaaa9d7)
+
+## [v1.0.3](https://github.com/ljharb/side-channel/compare/v1.0.2...v1.0.3) - 2020-08-23
+
+### Commits
+
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`1f10561`](https://github.com/ljharb/side-channel/commit/1f105611ef3acf32dec8032ae5c0baa5e56bb868)
+- [Deps] update `es-abstract`, `object-inspect` [`bc20159`](https://github.com/ljharb/side-channel/commit/bc201597949a505e37cef9eaf24c7010831e6f03)
+- [Dev Deps] update `@ljharb/eslint-config`, `tape` [`b9b2b22`](https://github.com/ljharb/side-channel/commit/b9b2b225f9e0ea72a6ec2b89348f0bd690bc9ed1)
+- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`7055ab4`](https://github.com/ljharb/side-channel/commit/7055ab4de0860606efd2003674a74f1fe6ebc07e)
+- [Dev Deps] update `auto-changelog`; add `aud` [`d278c37`](https://github.com/ljharb/side-channel/commit/d278c37d08227be4f84aa769fcd919e73feeba40)
+- [actions] switch Automatic Rebase workflow to `pull_request_target` event [`3bcf982`](https://github.com/ljharb/side-channel/commit/3bcf982faa122745b39c33ce83d32fdf003741c6)
+- [Tests] only audit prod deps [`18d01c4`](https://github.com/ljharb/side-channel/commit/18d01c4015b82a3d75044c4d5ba7917b2eac01ec)
+- [Deps] update `es-abstract` [`6ab096d`](https://github.com/ljharb/side-channel/commit/6ab096d9de2b482cf5e0717e34e212f5b2b9bc9a)
+- [Dev Deps] update `tape` [`9dc174c`](https://github.com/ljharb/side-channel/commit/9dc174cc651dfd300b4b72da936a0a7eda5f9452)
+- [Deps] update `es-abstract` [`431d0f0`](https://github.com/ljharb/side-channel/commit/431d0f0ff11fbd2ae6f3115582a356d3a1cfce82)
+- [Deps] update `es-abstract` [`49869fd`](https://github.com/ljharb/side-channel/commit/49869fd323bf4453f0ba515c0fb265cf5ab7b932)
+- [meta] Add package.json to package's exports [`77d9cdc`](https://github.com/ljharb/side-channel/commit/77d9cdceb2a9e47700074f2ae0c0a202e7dac0d4)
+
+## [v1.0.2](https://github.com/ljharb/side-channel/compare/v1.0.1...v1.0.2) - 2019-12-20
+
+### Commits
+
+- [Dev Deps] update `@ljharb/eslint-config`, `tape` [`4a526df`](https://github.com/ljharb/side-channel/commit/4a526df44e4701566ed001ec78546193f818b082)
+- [Deps] update `es-abstract` [`d4f6e62`](https://github.com/ljharb/side-channel/commit/d4f6e629b6fb93a07415db7f30d3c90fd7f264fe)
+
+## [v1.0.1](https://github.com/ljharb/side-channel/compare/v1.0.0...v1.0.1) - 2019-12-01
+
+### Commits
+
+- [Fix] add missing "exports" [`d212907`](https://github.com/ljharb/side-channel/commit/d2129073abf0701a5343bf28aa2145617604dc2e)
+
+## v1.0.0 - 2019-12-01
+
+### Commits
+
+- Initial implementation [`dbebd3a`](https://github.com/ljharb/side-channel/commit/dbebd3a4b5ed64242f9a6810efe7c4214cd8cde4)
+- Initial tests [`73bdefe`](https://github.com/ljharb/side-channel/commit/73bdefe568c9076cf8c0b8719bc2141aec0e19b8)
+- Initial commit [`43c03e1`](https://github.com/ljharb/side-channel/commit/43c03e1c2849ec50a87b7a5cd76238a62b0b8770)
+- npm init [`5c090a7`](https://github.com/ljharb/side-channel/commit/5c090a765d66a5527d9889b89aeff78dee91348c)
+- [meta] add `auto-changelog` [`a5c4e56`](https://github.com/ljharb/side-channel/commit/a5c4e5675ec02d5eb4d84b4243aeea2a1d38fbec)
+- [actions] add automatic rebasing / merge commit blocking [`bab1683`](https://github.com/ljharb/side-channel/commit/bab1683d8f9754b086e94397699fdc645e0d7077)
+- [meta] add `funding` field; create FUNDING.yml [`63d7aea`](https://github.com/ljharb/side-channel/commit/63d7aeaf34f5650650ae97ca4b9fae685bd0937c)
+- [Tests] add `npm run lint` [`46a5a81`](https://github.com/ljharb/side-channel/commit/46a5a81705cd2664f83df232c01dbbf2ee952885)
+- Only apps should have lockfiles [`8b16b03`](https://github.com/ljharb/side-channel/commit/8b16b0305f00895d90c4e2e5773c854cfea0e448)
+- [meta] add `safe-publish-latest` [`2f098ef`](https://github.com/ljharb/side-channel/commit/2f098ef092a39399cfe548b19a1fc03c2fd2f490)
diff --git a/node_modules/side-channel/LICENSE b/node_modules/side-channel/LICENSE
new file mode 100644
index 000000000..3900dd7e2
--- /dev/null
+++ b/node_modules/side-channel/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/side-channel/README.md b/node_modules/side-channel/README.md
new file mode 100644
index 000000000..7fa4f0680
--- /dev/null
+++ b/node_modules/side-channel/README.md
@@ -0,0 +1,2 @@
+# side-channel
+Store information about any JS value in a side channel. Uses WeakMap if available.
diff --git a/node_modules/side-channel/index.js b/node_modules/side-channel/index.js
new file mode 100644
index 000000000..f1c48264f
--- /dev/null
+++ b/node_modules/side-channel/index.js
@@ -0,0 +1,124 @@
+'use strict';
+
+var GetIntrinsic = require('get-intrinsic');
+var callBound = require('call-bind/callBound');
+var inspect = require('object-inspect');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+var $WeakMap = GetIntrinsic('%WeakMap%', true);
+var $Map = GetIntrinsic('%Map%', true);
+
+var $weakMapGet = callBound('WeakMap.prototype.get', true);
+var $weakMapSet = callBound('WeakMap.prototype.set', true);
+var $weakMapHas = callBound('WeakMap.prototype.has', true);
+var $mapGet = callBound('Map.prototype.get', true);
+var $mapSet = callBound('Map.prototype.set', true);
+var $mapHas = callBound('Map.prototype.has', true);
+
+/*
+ * This function traverses the list returning the node corresponding to the
+ * given key.
+ *
+ * That node is also moved to the head of the list, so that if it's accessed
+ * again we don't need to traverse the whole list. By doing so, all the recently
+ * used nodes can be accessed relatively quickly.
+ */
+var listGetNode = function (list, key) { // eslint-disable-line consistent-return
+	for (var prev = list, curr; (curr = prev.next) !== null; prev = curr) {
+		if (curr.key === key) {
+			prev.next = curr.next;
+			curr.next = list.next;
+			list.next = curr; // eslint-disable-line no-param-reassign
+			return curr;
+		}
+	}
+};
+
+var listGet = function (objects, key) {
+	var node = listGetNode(objects, key);
+	return node && node.value;
+};
+var listSet = function (objects, key, value) {
+	var node = listGetNode(objects, key);
+	if (node) {
+		node.value = value;
+	} else {
+		// Prepend the new node to the beginning of the list
+		objects.next = { // eslint-disable-line no-param-reassign
+			key: key,
+			next: objects.next,
+			value: value
+		};
+	}
+};
+var listHas = function (objects, key) {
+	return !!listGetNode(objects, key);
+};
+
+module.exports = function getSideChannel() {
+	var $wm;
+	var $m;
+	var $o;
+	var channel = {
+		assert: function (key) {
+			if (!channel.has(key)) {
+				throw new $TypeError('Side channel does not contain ' + inspect(key));
+			}
+		},
+		get: function (key) { // eslint-disable-line consistent-return
+			if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) {
+				if ($wm) {
+					return $weakMapGet($wm, key);
+				}
+			} else if ($Map) {
+				if ($m) {
+					return $mapGet($m, key);
+				}
+			} else {
+				if ($o) { // eslint-disable-line no-lonely-if
+					return listGet($o, key);
+				}
+			}
+		},
+		has: function (key) {
+			if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) {
+				if ($wm) {
+					return $weakMapHas($wm, key);
+				}
+			} else if ($Map) {
+				if ($m) {
+					return $mapHas($m, key);
+				}
+			} else {
+				if ($o) { // eslint-disable-line no-lonely-if
+					return listHas($o, key);
+				}
+			}
+			return false;
+		},
+		set: function (key, value) {
+			if ($WeakMap && key && (typeof key === 'object' || typeof key === 'function')) {
+				if (!$wm) {
+					$wm = new $WeakMap();
+				}
+				$weakMapSet($wm, key, value);
+			} else if ($Map) {
+				if (!$m) {
+					$m = new $Map();
+				}
+				$mapSet($m, key, value);
+			} else {
+				if (!$o) {
+					/*
+					 * Initialize the linked list as an empty node, so that we don't have
+					 * to special-case handling of the first node: we can always refer to
+					 * it as (previous node).next, instead of something like (list).head
+					 */
+					$o = { key: {}, next: null };
+				}
+				listSet($o, key, value);
+			}
+		}
+	};
+	return channel;
+};
diff --git a/node_modules/side-channel/package.json b/node_modules/side-channel/package.json
new file mode 100644
index 000000000..a3e33f661
--- /dev/null
+++ b/node_modules/side-channel/package.json
@@ -0,0 +1,67 @@
+{
+	"name": "side-channel",
+	"version": "1.0.4",
+	"description": "Store information about any JS value in a side channel. Uses WeakMap if available.",
+	"main": "index.js",
+	"exports": {
+		"./package.json": "./package.json",
+		".": [
+			{
+				"default": "./index.js"
+			},
+			"./index.js"
+		]
+	},
+	"scripts": {
+		"prepublish": "safe-publish-latest",
+		"lint": "eslint .",
+		"pretest": "npm run lint",
+		"tests-only": "nyc tape 'test/**/*.js'",
+		"test": "npm run tests-only",
+		"posttest": "npx aud --production",
+		"version": "auto-changelog && git add CHANGELOG.md",
+		"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
+	},
+	"repository": {
+		"type": "git",
+		"url": "git+https://github.com/ljharb/side-channel.git"
+	},
+	"keywords": [
+		"weakmap",
+		"map",
+		"side",
+		"channel",
+		"metadata"
+	],
+	"author": "Jordan Harband <ljharb@gmail.com>",
+	"funding": {
+		"url": "https://github.com/sponsors/ljharb"
+	},
+	"license": "MIT",
+	"bugs": {
+		"url": "https://github.com/ljharb/side-channel/issues"
+	},
+	"homepage": "https://github.com/ljharb/side-channel#readme",
+	"devDependencies": {
+		"@ljharb/eslint-config": "^17.3.0",
+		"aud": "^1.1.3",
+		"auto-changelog": "^2.2.1",
+		"eslint": "^7.16.0",
+		"nyc": "^10.3.2",
+		"safe-publish-latest": "^1.1.4",
+		"tape": "^5.0.1"
+	},
+	"dependencies": {
+		"call-bind": "^1.0.0",
+		"get-intrinsic": "^1.0.2",
+		"object-inspect": "^1.9.0"
+	},
+	"auto-changelog": {
+		"output": "CHANGELOG.md",
+		"template": "keepachangelog",
+		"unreleased": false,
+		"commitLimit": false,
+		"backfillLimit": false,
+		"hideCredit": true
+	}
+}
diff --git a/node_modules/side-channel/test/index.js b/node_modules/side-channel/test/index.js
new file mode 100644
index 000000000..3b92ef7eb
--- /dev/null
+++ b/node_modules/side-channel/test/index.js
@@ -0,0 +1,78 @@
+'use strict';
+
+var test = require('tape');
+
+var getSideChannel = require('../');
+
+test('export', function (t) {
+	t.equal(typeof getSideChannel, 'function', 'is a function');
+	t.equal(getSideChannel.length, 0, 'takes no arguments');
+
+	var channel = getSideChannel();
+	t.ok(channel, 'is truthy');
+	t.equal(typeof channel, 'object', 'is an object');
+
+	t.end();
+});
+
+test('assert', function (t) {
+	var channel = getSideChannel();
+	t['throws'](
+		function () { channel.assert({}); },
+		TypeError,
+		'nonexistent value throws'
+	);
+
+	var o = {};
+	channel.set(o, 'data');
+	t.doesNotThrow(function () { channel.assert(o); }, 'existent value noops');
+
+	t.end();
+});
+
+test('has', function (t) {
+	var channel = getSideChannel();
+	var o = [];
+
+	t.equal(channel.has(o), false, 'nonexistent value yields false');
+
+	channel.set(o, 'foo');
+	t.equal(channel.has(o), true, 'existent value yields true');
+
+	t.end();
+});
+
+test('get', function (t) {
+	var channel = getSideChannel();
+	var o = {};
+	t.equal(channel.get(o), undefined, 'nonexistent value yields undefined');
+
+	var data = {};
+	channel.set(o, data);
+	t.equal(channel.get(o), data, '"get" yields data set by "set"');
+
+	t.end();
+});
+
+test('set', function (t) {
+	var channel = getSideChannel();
+	var o = function () {};
+	t.equal(channel.get(o), undefined, 'value not set');
+
+	channel.set(o, 42);
+	t.equal(channel.get(o), 42, 'value was set');
+
+	channel.set(o, Infinity);
+	t.equal(channel.get(o), Infinity, 'value was set again');
+
+	var o2 = {};
+	channel.set(o2, 17);
+	t.equal(channel.get(o), Infinity, 'o is not modified');
+	t.equal(channel.get(o2), 17, 'o2 is set');
+
+	channel.set(o, 14);
+	t.equal(channel.get(o), 14, 'o is modified');
+	t.equal(channel.get(o2), 17, 'o2 is not modified');
+
+	t.end();
+});
diff --git a/node_modules/sift/MIT-LICENSE.txt b/node_modules/sift/MIT-LICENSE.txt
new file mode 100644
index 000000000..c080d2eb0
--- /dev/null
+++ b/node_modules/sift/MIT-LICENSE.txt
@@ -0,0 +1,20 @@
+Copyright (c) 2015 Craig Condon
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/sift/README.md b/node_modules/sift/README.md
new file mode 100644
index 000000000..07019da62
--- /dev/null
+++ b/node_modules/sift/README.md
@@ -0,0 +1,465 @@
+**Installation**: `npm install sift`, or `yarn add sift`
+
+## Sift is a tiny library for using MongoDB queries in Javascript
+
+[![Build Status](https://secure.travis-ci.org/crcn/sift.js.png)](https://secure.travis-ci.org/crcn/sift.js)
+
+<!-- [![Coverage Status](https://coveralls.io/repos/crcn/sift.js/badge.svg)](https://coveralls.io/r/crcn/sift.js)  -->
+<!-- [![Join the chat at https://gitter.im/crcn/sift.js](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/crcn/sift.js?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) -->
+
+**For extended documentation, checkout http://docs.mongodb.org/manual/reference/operator/query/**
+
+## Features:
+
+- Supported operators: [\$in](#in), [\$nin](#nin), [\$exists](#exists), [\$gte](#gte), [\$gt](#gt), [\$lte](#lte), [\$lt](#lt), [\$eq](#eq), [\$ne](#ne), [\$mod](#mod), [\$all](#all), [\$and](#and), [\$or](#or), [\$nor](#nor), [\$not](#not), [\$size](#size), [\$type](#type), [\$regex](#regex), [\$where](#where), [\$elemMatch](#elemmatch)
+- Regexp searches
+- Supports node.js, and web
+- Custom Operations
+- Tree-shaking (omitting functionality from web app bundles)
+
+## Examples
+
+```javascript
+import sift from "sift";
+
+//intersecting arrays
+const result1 = ["hello", "sifted", "array!"].filter(
+  sift({ $in: ["hello", "world"] })
+); //['hello']
+
+//regexp filter
+const result2 = ["craig", "john", "jake"].filter(sift(/^j/)); //['john','jake']
+
+// function filter
+const testFilter = sift({
+  //you can also filter against functions
+  name: function(value) {
+    return value.length == 5;
+  }
+});
+
+const result3 = [
+  {
+    name: "craig"
+  },
+  {
+    name: "john"
+  },
+  {
+    name: "jake"
+  }
+].filter(testFilter); // filtered: [{ name: 'craig' }]
+
+//you can test *single values* against your custom sifter
+testFilter({ name: "sarah" }); //true
+testFilter({ name: "tim" }); //false
+```
+
+## API
+
+### sift(query: MongoQuery, options?: Options): Function
+
+Creates a filter with all of the built-in MongoDB query operations.
+
+- `query` - the filter to use against the target array
+- `options`
+  - `operations` - [custom operations](#custom-operations)
+  - `compare` - compares difference between two values
+
+Example:
+
+```javascript
+import sift from "sift";
+
+const test = sift({ $gt: 5 }));
+
+console.log(test(6)); // true
+console.log(test(4)); // false
+
+[3, 4, 5, 6, 7].filter(sift({ $exists: true })); // [6, 7]
+```
+
+### createQueryTester(query: Query, options?: Options): Function
+
+Creates a filter function **without** built-in MongoDB query operations. This is useful
+if you're looking to omit certain operations from application bundles. See [Omitting built-in operations](#omitting-built-in-operations) for more info.
+
+```javascript
+import { createQueryTester, $eq, $in } from "sift";
+const filter = createQueryTester({ $eq: 5 }, { operations: { $eq, $in } });
+```
+
+### createEqualsOperation(params: any, ownerQuery: Query, options: Options): Operation
+
+Used for [custom operations](#custom-operations).
+
+```javascript
+import { createQueryTester, createEqualsOperation, $eq, $in } from "sift";
+const filter = createQueryTester(
+  { $mod: 5 },
+  {
+    operations: {
+      $something(mod, ownerQuery, options) {
+        return createEqualsOperation(
+          value => value % mod === 0,
+          ownerQuery,
+          options
+        );
+      }
+    }
+  }
+);
+filter(10); // true
+filter(11); // false
+```
+
+## Supported Operators
+
+See MongoDB's [advanced queries](http://www.mongodb.org/display/DOCS/Advanced+Queries) for more info.
+
+### \$in
+
+array value must be _\$in_ the given query:
+
+Intersecting two arrays:
+
+```javascript
+//filtered: ['Brazil']
+["Brazil", "Haiti", "Peru", "Chile"].filter(
+  sift({ $in: ["Costa Rica", "Brazil"] })
+);
+```
+
+Here's another example. This acts more like the \$or operator:
+
+```javascript
+[{ name: "Craig", location: "Brazil" }].filter(
+  sift({ location: { $in: ["Costa Rica", "Brazil"] } })
+);
+```
+
+### \$nin
+
+Opposite of \$in:
+
+```javascript
+//filtered: ['Haiti','Peru','Chile']
+["Brazil", "Haiti", "Peru", "Chile"].filter(
+  sift({ $nin: ["Costa Rica", "Brazil"] })
+);
+```
+
+### \$exists
+
+Checks if whether a value exists:
+
+```javascript
+//filtered: ['Craig','Tim']
+sift({ $exists: true })(["Craig", null, "Tim"]);
+```
+
+You can also filter out values that don't exist
+
+```javascript
+//filtered: [{ name: "Tim" }]
+[{ name: "Craig", city: "Minneapolis" }, { name: "Tim" }].filter(
+  sift({ city: { $exists: false } })
+);
+```
+
+### \$gte
+
+Checks if a number is >= value:
+
+```javascript
+//filtered: [2, 3]
+[0, 1, 2, 3].filter(sift({ $gte: 2 }));
+```
+
+### \$gt
+
+Checks if a number is > value:
+
+```javascript
+//filtered: [3]
+[0, 1, 2, 3].filter(sift({ $gt: 2 }));
+```
+
+### \$lte
+
+Checks if a number is <= value.
+
+```javascript
+//filtered: [0, 1, 2]
+[0, 1, 2, 3].filter(sift({ $lte: 2 }));
+```
+
+### \$lt
+
+Checks if number is < value.
+
+```javascript
+//filtered: [0, 1]
+[0, 1, 2, 3].filter(sift({ $lt: 2 }));
+```
+
+### \$eq
+
+Checks if `query === value`. Note that **\$eq can be omitted**. For **\$eq**, and **\$ne**
+
+```javascript
+//filtered: [{ state: 'MN' }]
+[{ state: "MN" }, { state: "CA" }, { state: "WI" }].filter(
+  sift({ state: { $eq: "MN" } })
+);
+```
+
+Or:
+
+```javascript
+//filtered: [{ state: 'MN' }]
+[{ state: "MN" }, { state: "CA" }, { state: "WI" }].filter(
+  sift({ state: "MN" })
+);
+```
+
+### \$ne
+
+Checks if `query !== value`.
+
+```javascript
+//filtered: [{ state: 'CA' }, { state: 'WI'}]
+[{ state: "MN" }, { state: "CA" }, { state: "WI" }].filter(
+  sift({ state: { $ne: "MN" } })
+);
+```
+
+### \$mod
+
+Modulus:
+
+```javascript
+//filtered: [300, 600]
+[100, 200, 300, 400, 500, 600].filter(sift({ $mod: [3, 0] }));
+```
+
+### \$all
+
+values must match **everything** in array:
+
+```javascript
+//filtered: [ { tags: ['books','programming','travel' ]} ]
+[
+  { tags: ["books", "programming", "travel"] },
+  { tags: ["travel", "cooking"] }
+].filter(sift({ tags: { $all: ["books", "programming"] } }));
+```
+
+### \$and
+
+ability to use an array of expressions. All expressions must test true.
+
+```javascript
+//filtered: [ { name: 'Craig', state: 'MN' }]
+
+[
+  { name: "Craig", state: "MN" },
+  { name: "Tim", state: "MN" },
+  { name: "Joe", state: "CA" }
+].filter(sift({ $and: [{ name: "Craig" }, { state: "MN" }] }));
+```
+
+### \$or
+
+OR array of expressions.
+
+```javascript
+//filtered: [ { name: 'Craig', state: 'MN' }, { name: 'Tim', state: 'MN' }]
+[
+  { name: "Craig", state: "MN" },
+  { name: "Tim", state: "MN" },
+  { name: "Joe", state: "CA" }
+].filter(sift({ $or: [{ name: "Craig" }, { state: "MN" }] }));
+```
+
+### \$nor
+
+opposite of or:
+
+```javascript
+//filtered: [{ name: 'Joe', state: 'CA' }]
+[
+  { name: "Craig", state: "MN" },
+  { name: "Tim", state: "MN" },
+  { name: "Joe", state: "CA" }
+].filter(sift({ $nor: [{ name: "Craig" }, { state: "MN" }] }));
+```
+
+### \$size
+
+Matches an array - must match given size:
+
+```javascript
+//filtered: ['food','cooking']
+[{ tags: ["food", "cooking"] }, { tags: ["traveling"] }].filter(
+  sift({ tags: { $size: 2 } })
+);
+```
+
+### \$type
+
+Matches a values based on the type
+
+```javascript
+[new Date(), 4342, "hello world"].filter(sift({ $type: Date })); //returns single date
+[new Date(), 4342, "hello world"].filter(sift({ $type: String })); //returns ['hello world']
+```
+
+### \$regex
+
+Matches values based on the given regular expression
+
+```javascript
+["frank", "fred", "sam", "frost"].filter(
+  sift({ $regex: /^f/i, $nin: ["frank"] })
+); // ["fred", "frost"]
+["frank", "fred", "sam", "frost"].filter(
+  sift({ $regex: "^f", $options: "i", $nin: ["frank"] })
+); // ["fred", "frost"]
+```
+
+### \$where
+
+Matches based on some javascript comparison
+
+```javascript
+[{ name: "frank" }, { name: "joe" }].filter(
+  sift({ $where: "this.name === 'frank'" })
+); // ["frank"]
+[{ name: "frank" }, { name: "joe" }].filter(
+  sift({
+    $where: function() {
+      return this.name === "frank";
+    }
+  })
+); // ["frank"]
+```
+
+### \$elemMatch
+
+Matches elements of array
+
+```javascript
+var bills = [
+  {
+    month: "july",
+    casts: [
+      {
+        id: 1,
+        value: 200
+      },
+      {
+        id: 2,
+        value: 1000
+      }
+    ]
+  },
+  {
+    month: "august",
+    casts: [
+      {
+        id: 3,
+        value: 1000
+      },
+      {
+        id: 4,
+        value: 4000
+      }
+    ]
+  }
+];
+
+var result = bills.filter(
+  sift({
+    casts: {
+      $elemMatch: {
+        value: { $gt: 1000 }
+      }
+    }
+  })
+); // {month:'august', casts:[{id:3, value: 1000},{id: 4, value: 4000}]}
+```
+
+### \$not
+
+Not expression:
+
+```javascript
+["craig", "tim", "jake"].filter(sift({ $not: { $in: ["craig", "tim"] } })); //['jake']
+["craig", "tim", "jake"].filter(sift({ $not: { $size: 5 } })); //['tim','jake']
+```
+
+### Date comparison
+
+Mongodb allows you to do date comparisons like so:
+
+```javascript
+db.collection.find({ createdAt: { $gte: "2018-03-22T06:00:00Z" } });
+```
+
+In Sift, you'll need to specify a Date object:
+
+```javascript
+collection.find(
+  sift({ createdAt: { $gte: new Date("2018-03-22T06:00:00Z") } })
+);
+```
+
+## Custom behavior
+
+Sift works like MongoDB out of the box, but you're also able to modify the behavior to suite your needs.
+
+#### Custom operations
+
+You can register your own custom operations. Here's an example:
+
+```javascript
+import sift, { createEqualsOperation } from "sift";
+
+var filter = sift(
+  {
+    $customMod: 2
+  },
+  {
+    operations: {
+      $customMod(params, ownerQuery, options) {
+        return createEqualsOperation(
+          value => value % params !== 0,
+          ownerQuery,
+          options
+        );
+      }
+    }
+  }
+);
+
+[1, 2, 3, 4, 5].filter(filter); // 1, 3, 5
+```
+
+#### Omitting built-in operations
+
+You can create a filter function that omits the built-in operations like so:
+
+```javascript
+import { createQueryTester, $in, $all, $nin, $lt } from "sift";
+const test = createQueryTester(
+  {
+    $eq: 10
+  },
+  { operations: { $in, $all, $nin, $lt } }
+);
+
+[1, 2, 3, 4, 10].filter(test);
+```
+
+For bundlers like `Webpack` and `Rollup`, operations that aren't used are omitted from application bundles via tree-shaking.
diff --git a/node_modules/sift/es/index.js b/node_modules/sift/es/index.js
new file mode 100644
index 000000000..22f33969c
--- /dev/null
+++ b/node_modules/sift/es/index.js
@@ -0,0 +1,626 @@
+const typeChecker = (type) => {
+    const typeString = "[object " + type + "]";
+    return function (value) {
+        return getClassName(value) === typeString;
+    };
+};
+const getClassName = value => Object.prototype.toString.call(value);
+const comparable = (value) => {
+    if (value instanceof Date) {
+        return value.getTime();
+    }
+    else if (isArray(value)) {
+        return value.map(comparable);
+    }
+    else if (value && typeof value.toJSON === "function") {
+        return value.toJSON();
+    }
+    return value;
+};
+const isArray = typeChecker("Array");
+const isObject = typeChecker("Object");
+const isFunction = typeChecker("Function");
+const isVanillaObject = value => {
+    return (value &&
+        (value.constructor === Object ||
+            value.constructor === Array ||
+            value.constructor.toString() === "function Object() { [native code] }" ||
+            value.constructor.toString() === "function Array() { [native code] }") &&
+        !value.toJSON);
+};
+const equals = (a, b) => {
+    if (a == null && a == b) {
+        return true;
+    }
+    if (a === b) {
+        return true;
+    }
+    if (Object.prototype.toString.call(a) !== Object.prototype.toString.call(b)) {
+        return false;
+    }
+    if (isArray(a)) {
+        if (a.length !== b.length) {
+            return false;
+        }
+        for (let i = 0, { length } = a; i < length; i++) {
+            if (!equals(a[i], b[i]))
+                return false;
+        }
+        return true;
+    }
+    else if (isObject(a)) {
+        if (Object.keys(a).length !== Object.keys(b).length) {
+            return false;
+        }
+        for (const key in a) {
+            if (!equals(a[key], b[key]))
+                return false;
+        }
+        return true;
+    }
+    return false;
+};
+
+/**
+ * Walks through each value given the context - used for nested operations. E.g:
+ * { "person.address": { $eq: "blarg" }}
+ */
+const walkKeyPathValues = (item, keyPath, next, depth, key, owner) => {
+    const currentKey = keyPath[depth];
+    // if array, then try matching. Might fall through for cases like:
+    // { $eq: [1, 2, 3] }, [ 1, 2, 3 ].
+    if (isArray(item) && isNaN(Number(currentKey))) {
+        for (let i = 0, { length } = item; i < length; i++) {
+            // if FALSE is returned, then terminate walker. For operations, this simply
+            // means that the search critera was met.
+            if (!walkKeyPathValues(item[i], keyPath, next, depth, i, item)) {
+                return false;
+            }
+        }
+    }
+    if (depth === keyPath.length || item == null) {
+        return next(item, key, owner, depth === 0);
+    }
+    return walkKeyPathValues(item[currentKey], keyPath, next, depth + 1, currentKey, item);
+};
+class BaseOperation {
+    constructor(params, owneryQuery, options, name) {
+        this.params = params;
+        this.owneryQuery = owneryQuery;
+        this.options = options;
+        this.name = name;
+        this.init();
+    }
+    init() { }
+    reset() {
+        this.done = false;
+        this.keep = false;
+    }
+}
+class GroupOperation extends BaseOperation {
+    constructor(params, owneryQuery, options, children) {
+        super(params, owneryQuery, options);
+        this.children = children;
+    }
+    /**
+     */
+    reset() {
+        this.keep = false;
+        this.done = false;
+        for (let i = 0, { length } = this.children; i < length; i++) {
+            this.children[i].reset();
+        }
+    }
+    /**
+     */
+    childrenNext(item, key, owner, root) {
+        let done = true;
+        let keep = true;
+        for (let i = 0, { length } = this.children; i < length; i++) {
+            const childOperation = this.children[i];
+            if (!childOperation.done) {
+                childOperation.next(item, key, owner, root);
+            }
+            if (!childOperation.keep) {
+                keep = false;
+            }
+            if (childOperation.done) {
+                if (!childOperation.keep) {
+                    break;
+                }
+            }
+            else {
+                done = false;
+            }
+        }
+        this.done = done;
+        this.keep = keep;
+    }
+}
+class NamedGroupOperation extends GroupOperation {
+    constructor(params, owneryQuery, options, children, name) {
+        super(params, owneryQuery, options, children);
+        this.name = name;
+    }
+}
+class QueryOperation extends GroupOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    /**
+     */
+    next(item, key, parent, root) {
+        this.childrenNext(item, key, parent, root);
+    }
+}
+class NestedOperation extends GroupOperation {
+    constructor(keyPath, params, owneryQuery, options, children) {
+        super(params, owneryQuery, options, children);
+        this.keyPath = keyPath;
+        this.propop = true;
+        /**
+         */
+        this._nextNestedValue = (value, key, owner, root) => {
+            this.childrenNext(value, key, owner, root);
+            return !this.done;
+        };
+    }
+    /**
+     */
+    next(item, key, parent) {
+        walkKeyPathValues(item, this.keyPath, this._nextNestedValue, 0, key, parent);
+    }
+}
+const createTester = (a, compare) => {
+    if (a instanceof Function) {
+        return a;
+    }
+    if (a instanceof RegExp) {
+        return b => {
+            const result = typeof b === "string" && a.test(b);
+            a.lastIndex = 0;
+            return result;
+        };
+    }
+    const comparableA = comparable(a);
+    return b => compare(comparableA, comparable(b));
+};
+class EqualsOperation extends BaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    init() {
+        this._test = createTester(this.params, this.options.compare);
+    }
+    next(item, key, parent) {
+        if (!Array.isArray(parent) || parent.hasOwnProperty(key)) {
+            if (this._test(item, key, parent)) {
+                this.done = true;
+                this.keep = true;
+            }
+        }
+    }
+}
+const createEqualsOperation = (params, owneryQuery, options) => new EqualsOperation(params, owneryQuery, options);
+class NopeOperation extends BaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    next() {
+        this.done = true;
+        this.keep = false;
+    }
+}
+const numericalOperationCreator = (createNumericalOperation) => (params, owneryQuery, options, name) => {
+    if (params == null) {
+        return new NopeOperation(params, owneryQuery, options, name);
+    }
+    return createNumericalOperation(params, owneryQuery, options, name);
+};
+const numericalOperation = (createTester) => numericalOperationCreator((params, owneryQuery, options, name) => {
+    const typeofParams = typeof comparable(params);
+    const test = createTester(params);
+    return new EqualsOperation(b => {
+        return typeof comparable(b) === typeofParams && test(b);
+    }, owneryQuery, options, name);
+});
+const createNamedOperation = (name, params, parentQuery, options) => {
+    const operationCreator = options.operations[name];
+    if (!operationCreator) {
+        throwUnsupportedOperation(name);
+    }
+    return operationCreator(params, parentQuery, options, name);
+};
+const throwUnsupportedOperation = (name) => {
+    throw new Error(`Unsupported operation: ${name}`);
+};
+const containsOperation = (query, options) => {
+    for (const key in query) {
+        if (options.operations.hasOwnProperty(key) || key.charAt(0) === "$")
+            return true;
+    }
+    return false;
+};
+const createNestedOperation = (keyPath, nestedQuery, parentKey, owneryQuery, options) => {
+    if (containsOperation(nestedQuery, options)) {
+        const [selfOperations, nestedOperations] = createQueryOperations(nestedQuery, parentKey, options);
+        if (nestedOperations.length) {
+            throw new Error(`Property queries must contain only operations, or exact objects.`);
+        }
+        return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, selfOperations);
+    }
+    return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, [
+        new EqualsOperation(nestedQuery, owneryQuery, options)
+    ]);
+};
+const createQueryOperation = (query, owneryQuery = null, { compare, operations } = {}) => {
+    const options = {
+        compare: compare || equals,
+        operations: Object.assign({}, operations || {})
+    };
+    const [selfOperations, nestedOperations] = createQueryOperations(query, null, options);
+    const ops = [];
+    if (selfOperations.length) {
+        ops.push(new NestedOperation([], query, owneryQuery, options, selfOperations));
+    }
+    ops.push(...nestedOperations);
+    if (ops.length === 1) {
+        return ops[0];
+    }
+    return new QueryOperation(query, owneryQuery, options, ops);
+};
+const createQueryOperations = (query, parentKey, options) => {
+    const selfOperations = [];
+    const nestedOperations = [];
+    if (!isVanillaObject(query)) {
+        selfOperations.push(new EqualsOperation(query, query, options));
+        return [selfOperations, nestedOperations];
+    }
+    for (const key in query) {
+        if (options.operations.hasOwnProperty(key)) {
+            const op = createNamedOperation(key, query[key], query, options);
+            if (op) {
+                if (!op.propop && parentKey && !options.operations[parentKey]) {
+                    throw new Error(`Malformed query. ${key} cannot be matched against property.`);
+                }
+            }
+            // probably just a flag for another operation (like $options)
+            if (op != null) {
+                selfOperations.push(op);
+            }
+        }
+        else if (key.charAt(0) === "$") {
+            throwUnsupportedOperation(key);
+        }
+        else {
+            nestedOperations.push(createNestedOperation(key.split("."), query[key], key, query, options));
+        }
+    }
+    return [selfOperations, nestedOperations];
+};
+const createOperationTester = (operation) => (item, key, owner) => {
+    operation.reset();
+    operation.next(item, key, owner);
+    return operation.keep;
+};
+const createQueryTester = (query, options = {}) => {
+    return createOperationTester(createQueryOperation(query, null, options));
+};
+
+class $Ne extends BaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    init() {
+        this._test = createTester(this.params, this.options.compare);
+    }
+    reset() {
+        super.reset();
+        this.keep = true;
+    }
+    next(item) {
+        if (this._test(item)) {
+            this.done = true;
+            this.keep = false;
+        }
+    }
+}
+// https://docs.mongodb.com/manual/reference/operator/query/elemMatch/
+class $ElemMatch extends BaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    init() {
+        if (!this.params || typeof this.params !== "object") {
+            throw new Error(`Malformed query. $elemMatch must by an object.`);
+        }
+        this._queryOperation = createQueryOperation(this.params, this.owneryQuery, this.options);
+    }
+    reset() {
+        super.reset();
+        this._queryOperation.reset();
+    }
+    next(item) {
+        if (isArray(item)) {
+            for (let i = 0, { length } = item; i < length; i++) {
+                // reset query operation since item being tested needs to pass _all_ query
+                // operations for it to be a success
+                this._queryOperation.reset();
+                const child = item[i];
+                this._queryOperation.next(child, i, item, false);
+                this.keep = this.keep || this._queryOperation.keep;
+            }
+            this.done = true;
+        }
+        else {
+            this.done = false;
+            this.keep = false;
+        }
+    }
+}
+class $Not extends BaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    init() {
+        this._queryOperation = createQueryOperation(this.params, this.owneryQuery, this.options);
+    }
+    reset() {
+        super.reset();
+        this._queryOperation.reset();
+    }
+    next(item, key, owner, root) {
+        this._queryOperation.next(item, key, owner, root);
+        this.done = this._queryOperation.done;
+        this.keep = !this._queryOperation.keep;
+    }
+}
+class $Size extends BaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    init() { }
+    next(item) {
+        if (isArray(item) && item.length === this.params) {
+            this.done = true;
+            this.keep = true;
+        }
+        // if (parent && parent.length === this.params) {
+        //   this.done = true;
+        //   this.keep = true;
+        // }
+    }
+}
+const assertGroupNotEmpty = (values) => {
+    if (values.length === 0) {
+        throw new Error(`$and/$or/$nor must be a nonempty array`);
+    }
+};
+class $Or extends BaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = false;
+    }
+    init() {
+        assertGroupNotEmpty(this.params);
+        this._ops = this.params.map(op => createQueryOperation(op, null, this.options));
+    }
+    reset() {
+        this.done = false;
+        this.keep = false;
+        for (let i = 0, { length } = this._ops; i < length; i++) {
+            this._ops[i].reset();
+        }
+    }
+    next(item, key, owner) {
+        let done = false;
+        let success = false;
+        for (let i = 0, { length } = this._ops; i < length; i++) {
+            const op = this._ops[i];
+            op.next(item, key, owner);
+            if (op.keep) {
+                done = true;
+                success = op.keep;
+                break;
+            }
+        }
+        this.keep = success;
+        this.done = done;
+    }
+}
+class $Nor extends $Or {
+    constructor() {
+        super(...arguments);
+        this.propop = false;
+    }
+    next(item, key, owner) {
+        super.next(item, key, owner);
+        this.keep = !this.keep;
+    }
+}
+class $In extends BaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    init() {
+        this._testers = this.params.map(value => {
+            if (containsOperation(value, this.options)) {
+                throw new Error(`cannot nest $ under ${this.name.toLowerCase()}`);
+            }
+            return createTester(value, this.options.compare);
+        });
+    }
+    next(item, key, owner) {
+        let done = false;
+        let success = false;
+        for (let i = 0, { length } = this._testers; i < length; i++) {
+            const test = this._testers[i];
+            if (test(item)) {
+                done = true;
+                success = true;
+                break;
+            }
+        }
+        this.keep = success;
+        this.done = done;
+    }
+}
+class $Nin extends BaseOperation {
+    constructor(params, ownerQuery, options, name) {
+        super(params, ownerQuery, options, name);
+        this.propop = true;
+        this._in = new $In(params, ownerQuery, options, name);
+    }
+    next(item, key, owner, root) {
+        this._in.next(item, key, owner);
+        if (isArray(owner) && !root) {
+            if (this._in.keep) {
+                this.keep = false;
+                this.done = true;
+            }
+            else if (key == owner.length - 1) {
+                this.keep = true;
+                this.done = true;
+            }
+        }
+        else {
+            this.keep = !this._in.keep;
+            this.done = true;
+        }
+    }
+    reset() {
+        super.reset();
+        this._in.reset();
+    }
+}
+class $Exists extends BaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    next(item, key, owner) {
+        if (owner.hasOwnProperty(key) === this.params) {
+            this.done = true;
+            this.keep = true;
+        }
+    }
+}
+class $And extends NamedGroupOperation {
+    constructor(params, owneryQuery, options, name) {
+        super(params, owneryQuery, options, params.map(query => createQueryOperation(query, owneryQuery, options)), name);
+        this.propop = false;
+        assertGroupNotEmpty(params);
+    }
+    next(item, key, owner, root) {
+        this.childrenNext(item, key, owner, root);
+    }
+}
+class $All extends NamedGroupOperation {
+    constructor(params, owneryQuery, options, name) {
+        super(params, owneryQuery, options, params.map(query => createQueryOperation(query, owneryQuery, options)), name);
+        this.propop = true;
+    }
+    next(item, key, owner, root) {
+        this.childrenNext(item, key, owner, root);
+    }
+}
+const $eq = (params, owneryQuery, options) => new EqualsOperation(params, owneryQuery, options);
+const $ne = (params, owneryQuery, options, name) => new $Ne(params, owneryQuery, options, name);
+const $or = (params, owneryQuery, options, name) => new $Or(params, owneryQuery, options, name);
+const $nor = (params, owneryQuery, options, name) => new $Nor(params, owneryQuery, options, name);
+const $elemMatch = (params, owneryQuery, options, name) => new $ElemMatch(params, owneryQuery, options, name);
+const $nin = (params, owneryQuery, options, name) => new $Nin(params, owneryQuery, options, name);
+const $in = (params, owneryQuery, options, name) => {
+    return new $In(params, owneryQuery, options, name);
+};
+const $lt = numericalOperation(params => b => b < params);
+const $lte = numericalOperation(params => b => b <= params);
+const $gt = numericalOperation(params => b => b > params);
+const $gte = numericalOperation(params => b => b >= params);
+const $mod = ([mod, equalsValue], owneryQuery, options) => new EqualsOperation(b => comparable(b) % mod === equalsValue, owneryQuery, options);
+const $exists = (params, owneryQuery, options, name) => new $Exists(params, owneryQuery, options, name);
+const $regex = (pattern, owneryQuery, options) => new EqualsOperation(new RegExp(pattern, owneryQuery.$options), owneryQuery, options);
+const $not = (params, owneryQuery, options, name) => new $Not(params, owneryQuery, options, name);
+const typeAliases = {
+    number: v => typeof v === "number",
+    string: v => typeof v === "string",
+    bool: v => typeof v === "boolean",
+    array: v => Array.isArray(v),
+    null: v => v === null,
+    timestamp: v => v instanceof Date
+};
+const $type = (clazz, owneryQuery, options) => new EqualsOperation(b => {
+    if (typeof clazz === "string") {
+        if (!typeAliases[clazz]) {
+            throw new Error(`Type alias does not exist`);
+        }
+        return typeAliases[clazz](b);
+    }
+    return b != null ? b instanceof clazz || b.constructor === clazz : false;
+}, owneryQuery, options);
+const $and = (params, ownerQuery, options, name) => new $And(params, ownerQuery, options, name);
+const $all = (params, ownerQuery, options, name) => new $All(params, ownerQuery, options, name);
+const $size = (params, ownerQuery, options) => new $Size(params, ownerQuery, options, "$size");
+const $options = () => null;
+const $where = (params, ownerQuery, options) => {
+    let test;
+    if (isFunction(params)) {
+        test = params;
+    }
+    else if (!process.env.CSP_ENABLED) {
+        test = new Function("obj", "return " + params);
+    }
+    else {
+        throw new Error(`In CSP mode, sift does not support strings in "$where" condition`);
+    }
+    return new EqualsOperation(b => test.bind(b)(b), ownerQuery, options);
+};
+
+var defaultOperations = /*#__PURE__*/Object.freeze({
+    __proto__: null,
+    $Size: $Size,
+    $eq: $eq,
+    $ne: $ne,
+    $or: $or,
+    $nor: $nor,
+    $elemMatch: $elemMatch,
+    $nin: $nin,
+    $in: $in,
+    $lt: $lt,
+    $lte: $lte,
+    $gt: $gt,
+    $gte: $gte,
+    $mod: $mod,
+    $exists: $exists,
+    $regex: $regex,
+    $not: $not,
+    $type: $type,
+    $and: $and,
+    $all: $all,
+    $size: $size,
+    $options: $options,
+    $where: $where
+});
+
+const createDefaultQueryOperation = (query, ownerQuery, { compare, operations } = {}) => {
+    return createQueryOperation(query, ownerQuery, {
+        compare,
+        operations: Object.assign({}, defaultOperations, operations || {})
+    });
+};
+const createDefaultQueryTester = (query, options = {}) => {
+    const op = createDefaultQueryOperation(query, null, options);
+    return createOperationTester(op);
+};
+
+export default createDefaultQueryTester;
+export { $Size, $all, $and, $elemMatch, $eq, $exists, $gt, $gte, $in, $lt, $lte, $mod, $ne, $nin, $nor, $not, $options, $or, $regex, $size, $type, $where, EqualsOperation, createDefaultQueryOperation, createEqualsOperation, createOperationTester, createQueryOperation, createQueryTester };
+//# sourceMappingURL=index.js.map
diff --git a/node_modules/sift/es/index.js.map b/node_modules/sift/es/index.js.map
new file mode 100644
index 000000000..1a19f9b9e
--- /dev/null
+++ b/node_modules/sift/es/index.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/sift/es5m/index.js b/node_modules/sift/es5m/index.js
new file mode 100644
index 000000000..79c77a249
--- /dev/null
+++ b/node_modules/sift/es5m/index.js
@@ -0,0 +1,729 @@
+/*! *****************************************************************************
+Copyright (c) Microsoft Corporation.
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+***************************************************************************** */
+/* global Reflect, Promise */
+
+var extendStatics = function(d, b) {
+    extendStatics = Object.setPrototypeOf ||
+        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+        function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+    return extendStatics(d, b);
+};
+
+function __extends(d, b) {
+    if (typeof b !== "function" && b !== null)
+        throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+    extendStatics(d, b);
+    function __() { this.constructor = d; }
+    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+}
+
+var typeChecker = function (type) {
+    var typeString = "[object " + type + "]";
+    return function (value) {
+        return getClassName(value) === typeString;
+    };
+};
+var getClassName = function (value) { return Object.prototype.toString.call(value); };
+var comparable = function (value) {
+    if (value instanceof Date) {
+        return value.getTime();
+    }
+    else if (isArray(value)) {
+        return value.map(comparable);
+    }
+    else if (value && typeof value.toJSON === "function") {
+        return value.toJSON();
+    }
+    return value;
+};
+var isArray = typeChecker("Array");
+var isObject = typeChecker("Object");
+var isFunction = typeChecker("Function");
+var isVanillaObject = function (value) {
+    return (value &&
+        (value.constructor === Object ||
+            value.constructor === Array ||
+            value.constructor.toString() === "function Object() { [native code] }" ||
+            value.constructor.toString() === "function Array() { [native code] }") &&
+        !value.toJSON);
+};
+var equals = function (a, b) {
+    if (a == null && a == b) {
+        return true;
+    }
+    if (a === b) {
+        return true;
+    }
+    if (Object.prototype.toString.call(a) !== Object.prototype.toString.call(b)) {
+        return false;
+    }
+    if (isArray(a)) {
+        if (a.length !== b.length) {
+            return false;
+        }
+        for (var i = 0, length_1 = a.length; i < length_1; i++) {
+            if (!equals(a[i], b[i]))
+                return false;
+        }
+        return true;
+    }
+    else if (isObject(a)) {
+        if (Object.keys(a).length !== Object.keys(b).length) {
+            return false;
+        }
+        for (var key in a) {
+            if (!equals(a[key], b[key]))
+                return false;
+        }
+        return true;
+    }
+    return false;
+};
+
+/**
+ * Walks through each value given the context - used for nested operations. E.g:
+ * { "person.address": { $eq: "blarg" }}
+ */
+var walkKeyPathValues = function (item, keyPath, next, depth, key, owner) {
+    var currentKey = keyPath[depth];
+    // if array, then try matching. Might fall through for cases like:
+    // { $eq: [1, 2, 3] }, [ 1, 2, 3 ].
+    if (isArray(item) && isNaN(Number(currentKey))) {
+        for (var i = 0, length_1 = item.length; i < length_1; i++) {
+            // if FALSE is returned, then terminate walker. For operations, this simply
+            // means that the search critera was met.
+            if (!walkKeyPathValues(item[i], keyPath, next, depth, i, item)) {
+                return false;
+            }
+        }
+    }
+    if (depth === keyPath.length || item == null) {
+        return next(item, key, owner, depth === 0);
+    }
+    return walkKeyPathValues(item[currentKey], keyPath, next, depth + 1, currentKey, item);
+};
+var BaseOperation = /** @class */ (function () {
+    function BaseOperation(params, owneryQuery, options, name) {
+        this.params = params;
+        this.owneryQuery = owneryQuery;
+        this.options = options;
+        this.name = name;
+        this.init();
+    }
+    BaseOperation.prototype.init = function () { };
+    BaseOperation.prototype.reset = function () {
+        this.done = false;
+        this.keep = false;
+    };
+    return BaseOperation;
+}());
+var GroupOperation = /** @class */ (function (_super) {
+    __extends(GroupOperation, _super);
+    function GroupOperation(params, owneryQuery, options, children) {
+        var _this = _super.call(this, params, owneryQuery, options) || this;
+        _this.children = children;
+        return _this;
+    }
+    /**
+     */
+    GroupOperation.prototype.reset = function () {
+        this.keep = false;
+        this.done = false;
+        for (var i = 0, length_2 = this.children.length; i < length_2; i++) {
+            this.children[i].reset();
+        }
+    };
+    /**
+     */
+    GroupOperation.prototype.childrenNext = function (item, key, owner, root) {
+        var done = true;
+        var keep = true;
+        for (var i = 0, length_3 = this.children.length; i < length_3; i++) {
+            var childOperation = this.children[i];
+            if (!childOperation.done) {
+                childOperation.next(item, key, owner, root);
+            }
+            if (!childOperation.keep) {
+                keep = false;
+            }
+            if (childOperation.done) {
+                if (!childOperation.keep) {
+                    break;
+                }
+            }
+            else {
+                done = false;
+            }
+        }
+        this.done = done;
+        this.keep = keep;
+    };
+    return GroupOperation;
+}(BaseOperation));
+var NamedGroupOperation = /** @class */ (function (_super) {
+    __extends(NamedGroupOperation, _super);
+    function NamedGroupOperation(params, owneryQuery, options, children, name) {
+        var _this = _super.call(this, params, owneryQuery, options, children) || this;
+        _this.name = name;
+        return _this;
+    }
+    return NamedGroupOperation;
+}(GroupOperation));
+var QueryOperation = /** @class */ (function (_super) {
+    __extends(QueryOperation, _super);
+    function QueryOperation() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.propop = true;
+        return _this;
+    }
+    /**
+     */
+    QueryOperation.prototype.next = function (item, key, parent, root) {
+        this.childrenNext(item, key, parent, root);
+    };
+    return QueryOperation;
+}(GroupOperation));
+var NestedOperation = /** @class */ (function (_super) {
+    __extends(NestedOperation, _super);
+    function NestedOperation(keyPath, params, owneryQuery, options, children) {
+        var _this = _super.call(this, params, owneryQuery, options, children) || this;
+        _this.keyPath = keyPath;
+        _this.propop = true;
+        /**
+         */
+        _this._nextNestedValue = function (value, key, owner, root) {
+            _this.childrenNext(value, key, owner, root);
+            return !_this.done;
+        };
+        return _this;
+    }
+    /**
+     */
+    NestedOperation.prototype.next = function (item, key, parent) {
+        walkKeyPathValues(item, this.keyPath, this._nextNestedValue, 0, key, parent);
+    };
+    return NestedOperation;
+}(GroupOperation));
+var createTester = function (a, compare) {
+    if (a instanceof Function) {
+        return a;
+    }
+    if (a instanceof RegExp) {
+        return function (b) {
+            var result = typeof b === "string" && a.test(b);
+            a.lastIndex = 0;
+            return result;
+        };
+    }
+    var comparableA = comparable(a);
+    return function (b) { return compare(comparableA, comparable(b)); };
+};
+var EqualsOperation = /** @class */ (function (_super) {
+    __extends(EqualsOperation, _super);
+    function EqualsOperation() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.propop = true;
+        return _this;
+    }
+    EqualsOperation.prototype.init = function () {
+        this._test = createTester(this.params, this.options.compare);
+    };
+    EqualsOperation.prototype.next = function (item, key, parent) {
+        if (!Array.isArray(parent) || parent.hasOwnProperty(key)) {
+            if (this._test(item, key, parent)) {
+                this.done = true;
+                this.keep = true;
+            }
+        }
+    };
+    return EqualsOperation;
+}(BaseOperation));
+var createEqualsOperation = function (params, owneryQuery, options) { return new EqualsOperation(params, owneryQuery, options); };
+var NopeOperation = /** @class */ (function (_super) {
+    __extends(NopeOperation, _super);
+    function NopeOperation() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.propop = true;
+        return _this;
+    }
+    NopeOperation.prototype.next = function () {
+        this.done = true;
+        this.keep = false;
+    };
+    return NopeOperation;
+}(BaseOperation));
+var numericalOperationCreator = function (createNumericalOperation) { return function (params, owneryQuery, options, name) {
+    if (params == null) {
+        return new NopeOperation(params, owneryQuery, options, name);
+    }
+    return createNumericalOperation(params, owneryQuery, options, name);
+}; };
+var numericalOperation = function (createTester) {
+    return numericalOperationCreator(function (params, owneryQuery, options, name) {
+        var typeofParams = typeof comparable(params);
+        var test = createTester(params);
+        return new EqualsOperation(function (b) {
+            return typeof comparable(b) === typeofParams && test(b);
+        }, owneryQuery, options, name);
+    });
+};
+var createNamedOperation = function (name, params, parentQuery, options) {
+    var operationCreator = options.operations[name];
+    if (!operationCreator) {
+        throwUnsupportedOperation(name);
+    }
+    return operationCreator(params, parentQuery, options, name);
+};
+var throwUnsupportedOperation = function (name) {
+    throw new Error("Unsupported operation: " + name);
+};
+var containsOperation = function (query, options) {
+    for (var key in query) {
+        if (options.operations.hasOwnProperty(key) || key.charAt(0) === "$")
+            return true;
+    }
+    return false;
+};
+var createNestedOperation = function (keyPath, nestedQuery, parentKey, owneryQuery, options) {
+    if (containsOperation(nestedQuery, options)) {
+        var _a = createQueryOperations(nestedQuery, parentKey, options), selfOperations = _a[0], nestedOperations = _a[1];
+        if (nestedOperations.length) {
+            throw new Error("Property queries must contain only operations, or exact objects.");
+        }
+        return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, selfOperations);
+    }
+    return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, [
+        new EqualsOperation(nestedQuery, owneryQuery, options)
+    ]);
+};
+var createQueryOperation = function (query, owneryQuery, _a) {
+    if (owneryQuery === void 0) { owneryQuery = null; }
+    var _b = _a === void 0 ? {} : _a, compare = _b.compare, operations = _b.operations;
+    var options = {
+        compare: compare || equals,
+        operations: Object.assign({}, operations || {})
+    };
+    var _c = createQueryOperations(query, null, options), selfOperations = _c[0], nestedOperations = _c[1];
+    var ops = [];
+    if (selfOperations.length) {
+        ops.push(new NestedOperation([], query, owneryQuery, options, selfOperations));
+    }
+    ops.push.apply(ops, nestedOperations);
+    if (ops.length === 1) {
+        return ops[0];
+    }
+    return new QueryOperation(query, owneryQuery, options, ops);
+};
+var createQueryOperations = function (query, parentKey, options) {
+    var selfOperations = [];
+    var nestedOperations = [];
+    if (!isVanillaObject(query)) {
+        selfOperations.push(new EqualsOperation(query, query, options));
+        return [selfOperations, nestedOperations];
+    }
+    for (var key in query) {
+        if (options.operations.hasOwnProperty(key)) {
+            var op = createNamedOperation(key, query[key], query, options);
+            if (op) {
+                if (!op.propop && parentKey && !options.operations[parentKey]) {
+                    throw new Error("Malformed query. " + key + " cannot be matched against property.");
+                }
+            }
+            // probably just a flag for another operation (like $options)
+            if (op != null) {
+                selfOperations.push(op);
+            }
+        }
+        else if (key.charAt(0) === "$") {
+            throwUnsupportedOperation(key);
+        }
+        else {
+            nestedOperations.push(createNestedOperation(key.split("."), query[key], key, query, options));
+        }
+    }
+    return [selfOperations, nestedOperations];
+};
+var createOperationTester = function (operation) { return function (item, key, owner) {
+    operation.reset();
+    operation.next(item, key, owner);
+    return operation.keep;
+}; };
+var createQueryTester = function (query, options) {
+    if (options === void 0) { options = {}; }
+    return createOperationTester(createQueryOperation(query, null, options));
+};
+
+var $Ne = /** @class */ (function (_super) {
+    __extends($Ne, _super);
+    function $Ne() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.propop = true;
+        return _this;
+    }
+    $Ne.prototype.init = function () {
+        this._test = createTester(this.params, this.options.compare);
+    };
+    $Ne.prototype.reset = function () {
+        _super.prototype.reset.call(this);
+        this.keep = true;
+    };
+    $Ne.prototype.next = function (item) {
+        if (this._test(item)) {
+            this.done = true;
+            this.keep = false;
+        }
+    };
+    return $Ne;
+}(BaseOperation));
+// https://docs.mongodb.com/manual/reference/operator/query/elemMatch/
+var $ElemMatch = /** @class */ (function (_super) {
+    __extends($ElemMatch, _super);
+    function $ElemMatch() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.propop = true;
+        return _this;
+    }
+    $ElemMatch.prototype.init = function () {
+        if (!this.params || typeof this.params !== "object") {
+            throw new Error("Malformed query. $elemMatch must by an object.");
+        }
+        this._queryOperation = createQueryOperation(this.params, this.owneryQuery, this.options);
+    };
+    $ElemMatch.prototype.reset = function () {
+        _super.prototype.reset.call(this);
+        this._queryOperation.reset();
+    };
+    $ElemMatch.prototype.next = function (item) {
+        if (isArray(item)) {
+            for (var i = 0, length_1 = item.length; i < length_1; i++) {
+                // reset query operation since item being tested needs to pass _all_ query
+                // operations for it to be a success
+                this._queryOperation.reset();
+                var child = item[i];
+                this._queryOperation.next(child, i, item, false);
+                this.keep = this.keep || this._queryOperation.keep;
+            }
+            this.done = true;
+        }
+        else {
+            this.done = false;
+            this.keep = false;
+        }
+    };
+    return $ElemMatch;
+}(BaseOperation));
+var $Not = /** @class */ (function (_super) {
+    __extends($Not, _super);
+    function $Not() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.propop = true;
+        return _this;
+    }
+    $Not.prototype.init = function () {
+        this._queryOperation = createQueryOperation(this.params, this.owneryQuery, this.options);
+    };
+    $Not.prototype.reset = function () {
+        _super.prototype.reset.call(this);
+        this._queryOperation.reset();
+    };
+    $Not.prototype.next = function (item, key, owner, root) {
+        this._queryOperation.next(item, key, owner, root);
+        this.done = this._queryOperation.done;
+        this.keep = !this._queryOperation.keep;
+    };
+    return $Not;
+}(BaseOperation));
+var $Size = /** @class */ (function (_super) {
+    __extends($Size, _super);
+    function $Size() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.propop = true;
+        return _this;
+    }
+    $Size.prototype.init = function () { };
+    $Size.prototype.next = function (item) {
+        if (isArray(item) && item.length === this.params) {
+            this.done = true;
+            this.keep = true;
+        }
+        // if (parent && parent.length === this.params) {
+        //   this.done = true;
+        //   this.keep = true;
+        // }
+    };
+    return $Size;
+}(BaseOperation));
+var assertGroupNotEmpty = function (values) {
+    if (values.length === 0) {
+        throw new Error("$and/$or/$nor must be a nonempty array");
+    }
+};
+var $Or = /** @class */ (function (_super) {
+    __extends($Or, _super);
+    function $Or() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.propop = false;
+        return _this;
+    }
+    $Or.prototype.init = function () {
+        var _this = this;
+        assertGroupNotEmpty(this.params);
+        this._ops = this.params.map(function (op) {
+            return createQueryOperation(op, null, _this.options);
+        });
+    };
+    $Or.prototype.reset = function () {
+        this.done = false;
+        this.keep = false;
+        for (var i = 0, length_2 = this._ops.length; i < length_2; i++) {
+            this._ops[i].reset();
+        }
+    };
+    $Or.prototype.next = function (item, key, owner) {
+        var done = false;
+        var success = false;
+        for (var i = 0, length_3 = this._ops.length; i < length_3; i++) {
+            var op = this._ops[i];
+            op.next(item, key, owner);
+            if (op.keep) {
+                done = true;
+                success = op.keep;
+                break;
+            }
+        }
+        this.keep = success;
+        this.done = done;
+    };
+    return $Or;
+}(BaseOperation));
+var $Nor = /** @class */ (function (_super) {
+    __extends($Nor, _super);
+    function $Nor() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.propop = false;
+        return _this;
+    }
+    $Nor.prototype.next = function (item, key, owner) {
+        _super.prototype.next.call(this, item, key, owner);
+        this.keep = !this.keep;
+    };
+    return $Nor;
+}($Or));
+var $In = /** @class */ (function (_super) {
+    __extends($In, _super);
+    function $In() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.propop = true;
+        return _this;
+    }
+    $In.prototype.init = function () {
+        var _this = this;
+        this._testers = this.params.map(function (value) {
+            if (containsOperation(value, _this.options)) {
+                throw new Error("cannot nest $ under " + _this.name.toLowerCase());
+            }
+            return createTester(value, _this.options.compare);
+        });
+    };
+    $In.prototype.next = function (item, key, owner) {
+        var done = false;
+        var success = false;
+        for (var i = 0, length_4 = this._testers.length; i < length_4; i++) {
+            var test = this._testers[i];
+            if (test(item)) {
+                done = true;
+                success = true;
+                break;
+            }
+        }
+        this.keep = success;
+        this.done = done;
+    };
+    return $In;
+}(BaseOperation));
+var $Nin = /** @class */ (function (_super) {
+    __extends($Nin, _super);
+    function $Nin(params, ownerQuery, options, name) {
+        var _this = _super.call(this, params, ownerQuery, options, name) || this;
+        _this.propop = true;
+        _this._in = new $In(params, ownerQuery, options, name);
+        return _this;
+    }
+    $Nin.prototype.next = function (item, key, owner, root) {
+        this._in.next(item, key, owner);
+        if (isArray(owner) && !root) {
+            if (this._in.keep) {
+                this.keep = false;
+                this.done = true;
+            }
+            else if (key == owner.length - 1) {
+                this.keep = true;
+                this.done = true;
+            }
+        }
+        else {
+            this.keep = !this._in.keep;
+            this.done = true;
+        }
+    };
+    $Nin.prototype.reset = function () {
+        _super.prototype.reset.call(this);
+        this._in.reset();
+    };
+    return $Nin;
+}(BaseOperation));
+var $Exists = /** @class */ (function (_super) {
+    __extends($Exists, _super);
+    function $Exists() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.propop = true;
+        return _this;
+    }
+    $Exists.prototype.next = function (item, key, owner) {
+        if (owner.hasOwnProperty(key) === this.params) {
+            this.done = true;
+            this.keep = true;
+        }
+    };
+    return $Exists;
+}(BaseOperation));
+var $And = /** @class */ (function (_super) {
+    __extends($And, _super);
+    function $And(params, owneryQuery, options, name) {
+        var _this = _super.call(this, params, owneryQuery, options, params.map(function (query) { return createQueryOperation(query, owneryQuery, options); }), name) || this;
+        _this.propop = false;
+        assertGroupNotEmpty(params);
+        return _this;
+    }
+    $And.prototype.next = function (item, key, owner, root) {
+        this.childrenNext(item, key, owner, root);
+    };
+    return $And;
+}(NamedGroupOperation));
+var $All = /** @class */ (function (_super) {
+    __extends($All, _super);
+    function $All(params, owneryQuery, options, name) {
+        var _this = _super.call(this, params, owneryQuery, options, params.map(function (query) { return createQueryOperation(query, owneryQuery, options); }), name) || this;
+        _this.propop = true;
+        return _this;
+    }
+    $All.prototype.next = function (item, key, owner, root) {
+        this.childrenNext(item, key, owner, root);
+    };
+    return $All;
+}(NamedGroupOperation));
+var $eq = function (params, owneryQuery, options) {
+    return new EqualsOperation(params, owneryQuery, options);
+};
+var $ne = function (params, owneryQuery, options, name) { return new $Ne(params, owneryQuery, options, name); };
+var $or = function (params, owneryQuery, options, name) { return new $Or(params, owneryQuery, options, name); };
+var $nor = function (params, owneryQuery, options, name) { return new $Nor(params, owneryQuery, options, name); };
+var $elemMatch = function (params, owneryQuery, options, name) { return new $ElemMatch(params, owneryQuery, options, name); };
+var $nin = function (params, owneryQuery, options, name) { return new $Nin(params, owneryQuery, options, name); };
+var $in = function (params, owneryQuery, options, name) {
+    return new $In(params, owneryQuery, options, name);
+};
+var $lt = numericalOperation(function (params) { return function (b) { return b < params; }; });
+var $lte = numericalOperation(function (params) { return function (b) { return b <= params; }; });
+var $gt = numericalOperation(function (params) { return function (b) { return b > params; }; });
+var $gte = numericalOperation(function (params) { return function (b) { return b >= params; }; });
+var $mod = function (_a, owneryQuery, options) {
+    var mod = _a[0], equalsValue = _a[1];
+    return new EqualsOperation(function (b) { return comparable(b) % mod === equalsValue; }, owneryQuery, options);
+};
+var $exists = function (params, owneryQuery, options, name) { return new $Exists(params, owneryQuery, options, name); };
+var $regex = function (pattern, owneryQuery, options) {
+    return new EqualsOperation(new RegExp(pattern, owneryQuery.$options), owneryQuery, options);
+};
+var $not = function (params, owneryQuery, options, name) { return new $Not(params, owneryQuery, options, name); };
+var typeAliases = {
+    number: function (v) { return typeof v === "number"; },
+    string: function (v) { return typeof v === "string"; },
+    bool: function (v) { return typeof v === "boolean"; },
+    array: function (v) { return Array.isArray(v); },
+    null: function (v) { return v === null; },
+    timestamp: function (v) { return v instanceof Date; }
+};
+var $type = function (clazz, owneryQuery, options) {
+    return new EqualsOperation(function (b) {
+        if (typeof clazz === "string") {
+            if (!typeAliases[clazz]) {
+                throw new Error("Type alias does not exist");
+            }
+            return typeAliases[clazz](b);
+        }
+        return b != null ? b instanceof clazz || b.constructor === clazz : false;
+    }, owneryQuery, options);
+};
+var $and = function (params, ownerQuery, options, name) { return new $And(params, ownerQuery, options, name); };
+var $all = function (params, ownerQuery, options, name) { return new $All(params, ownerQuery, options, name); };
+var $size = function (params, ownerQuery, options) { return new $Size(params, ownerQuery, options, "$size"); };
+var $options = function () { return null; };
+var $where = function (params, ownerQuery, options) {
+    var test;
+    if (isFunction(params)) {
+        test = params;
+    }
+    else if (!process.env.CSP_ENABLED) {
+        test = new Function("obj", "return " + params);
+    }
+    else {
+        throw new Error("In CSP mode, sift does not support strings in \"$where\" condition");
+    }
+    return new EqualsOperation(function (b) { return test.bind(b)(b); }, ownerQuery, options);
+};
+
+var defaultOperations = /*#__PURE__*/Object.freeze({
+    __proto__: null,
+    $Size: $Size,
+    $eq: $eq,
+    $ne: $ne,
+    $or: $or,
+    $nor: $nor,
+    $elemMatch: $elemMatch,
+    $nin: $nin,
+    $in: $in,
+    $lt: $lt,
+    $lte: $lte,
+    $gt: $gt,
+    $gte: $gte,
+    $mod: $mod,
+    $exists: $exists,
+    $regex: $regex,
+    $not: $not,
+    $type: $type,
+    $and: $and,
+    $all: $all,
+    $size: $size,
+    $options: $options,
+    $where: $where
+});
+
+var createDefaultQueryOperation = function (query, ownerQuery, _a) {
+    var _b = _a === void 0 ? {} : _a, compare = _b.compare, operations = _b.operations;
+    return createQueryOperation(query, ownerQuery, {
+        compare: compare,
+        operations: Object.assign({}, defaultOperations, operations || {})
+    });
+};
+var createDefaultQueryTester = function (query, options) {
+    if (options === void 0) { options = {}; }
+    var op = createDefaultQueryOperation(query, null, options);
+    return createOperationTester(op);
+};
+
+export default createDefaultQueryTester;
+export { $Size, $all, $and, $elemMatch, $eq, $exists, $gt, $gte, $in, $lt, $lte, $mod, $ne, $nin, $nor, $not, $options, $or, $regex, $size, $type, $where, EqualsOperation, createDefaultQueryOperation, createEqualsOperation, createOperationTester, createQueryOperation, createQueryTester };
+//# sourceMappingURL=index.js.map
diff --git a/node_modules/sift/es5m/index.js.map b/node_modules/sift/es5m/index.js.map
new file mode 100644
index 000000000..1fdf01c5d
--- /dev/null
+++ b/node_modules/sift/es5m/index.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sources":["../node_modules/tslib/tslib.es6.js","../src/utils.ts","../src/core.ts","../src/operations.ts","../src/index.ts"],"sourcesContent":["/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n    extendStatics = Object.setPrototypeOf ||\r\n        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n        function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n    return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n    if (typeof b !== \"function\" && b !== null)\r\n        throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n    extendStatics(d, b);\r\n    function __() { this.constructor = d; }\r\n    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n    __assign = Object.assign || function __assign(t) {\r\n        for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n            s = arguments[i];\r\n            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n        }\r\n        return t;\r\n    }\r\n    return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n    var t = {};\r\n    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n        t[p] = s[p];\r\n    if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n                t[p[i]] = s[p[i]];\r\n        }\r\n    return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n    if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n    return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n    return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n    if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n    return new (P || (P = Promise))(function (resolve, reject) {\r\n        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n        function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n        step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n    });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n    return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n    function verb(n) { return function (v) { return step([n, v]); }; }\r\n    function step(op) {\r\n        if (f) throw new TypeError(\"Generator is already executing.\");\r\n        while (_) try {\r\n            if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n            if (y = 0, t) op = [op[0] & 2, t.value];\r\n            switch (op[0]) {\r\n                case 0: case 1: t = op; break;\r\n                case 4: _.label++; return { value: op[1], done: false };\r\n                case 5: _.label++; y = op[1]; op = [0]; continue;\r\n                case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n                default:\r\n                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n                    if (t[2]) _.ops.pop();\r\n                    _.trys.pop(); continue;\r\n            }\r\n            op = body.call(thisArg, _);\r\n        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n    }\r\n}\r\n\r\nexport var __createBinding = Object.create ? 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\ No newline at end of file
diff --git a/node_modules/sift/index.d.ts b/node_modules/sift/index.d.ts
new file mode 100644
index 000000000..2b8257109
--- /dev/null
+++ b/node_modules/sift/index.d.ts
@@ -0,0 +1,4 @@
+import sift from "./lib";
+
+export default sift;
+export * from "./lib";
diff --git a/node_modules/sift/index.js b/node_modules/sift/index.js
new file mode 100644
index 000000000..449294a4c
--- /dev/null
+++ b/node_modules/sift/index.js
@@ -0,0 +1,4 @@
+const lib = require("./lib");
+
+module.exports = lib.default;
+Object.assign(module.exports, lib);
diff --git a/node_modules/sift/lib/core.d.ts b/node_modules/sift/lib/core.d.ts
new file mode 100644
index 000000000..367510691
--- /dev/null
+++ b/node_modules/sift/lib/core.d.ts
@@ -0,0 +1,119 @@
+import { Key, Comparator } from "./utils";
+export interface Operation<TItem> {
+    readonly keep: boolean;
+    readonly done: boolean;
+    propop: boolean;
+    reset(): any;
+    next(item: TItem, key?: Key, owner?: any, root?: boolean): any;
+}
+export declare type Tester = (item: any, key?: Key, owner?: any, root?: boolean) => boolean;
+export interface NamedOperation {
+    name: string;
+}
+export declare type OperationCreator<TItem> = (params: any, parentQuery: any, options: Options, name: string) => Operation<TItem>;
+declare type BasicValueQuery<TValue> = {
+    $eq?: TValue;
+    $ne?: TValue;
+    $lt?: TValue;
+    $gt?: TValue;
+    $lte?: TValue;
+    $gte?: TValue;
+    $in?: TValue[];
+    $nin?: TValue[];
+    $all?: TValue[];
+    $mod?: [number, number];
+    $exists?: boolean;
+    $regex?: string | RegExp;
+    $size?: number;
+    $where?: ((this: TValue, obj: TValue) => boolean) | string;
+    $options?: "i" | "g" | "m" | "u";
+    $type?: Function;
+    $not?: NestedQuery<TValue>;
+    $or?: NestedQuery<TValue>[];
+    $nor?: NestedQuery<TValue>[];
+    $and?: NestedQuery<TValue>[];
+};
+declare type ArrayValueQuery<TValue> = {
+    $elemMatch?: Query<TValue>;
+} & BasicValueQuery<TValue>;
+declare type Unpacked<T> = T extends (infer U)[] ? U : T;
+declare type ValueQuery<TValue> = TValue extends Array<any> ? ArrayValueQuery<Unpacked<TValue>> : BasicValueQuery<TValue>;
+declare type NotObject = string | number | Date | boolean | Array<any>;
+declare type ShapeQuery<TItemSchema> = TItemSchema extends NotObject ? {} : {
+    [k in keyof TItemSchema]?: TItemSchema[k] | ValueQuery<TItemSchema[k]>;
+};
+declare type NestedQuery<TItemSchema> = ValueQuery<TItemSchema> & ShapeQuery<TItemSchema>;
+export declare type Query<TItemSchema> = TItemSchema | RegExp | NestedQuery<TItemSchema>;
+export declare abstract class BaseOperation<TParams, TItem = any> implements Operation<TItem> {
+    readonly params: TParams;
+    readonly owneryQuery: any;
+    readonly options: Options;
+    readonly name?: string;
+    keep: boolean;
+    done: boolean;
+    abstract propop: boolean;
+    constructor(params: TParams, owneryQuery: any, options: Options, name?: string);
+    protected init(): void;
+    reset(): void;
+    abstract next(item: any, key: Key, parent: any, root: boolean): any;
+}
+declare abstract class GroupOperation extends BaseOperation<any> {
+    readonly children: Operation<any>[];
+    keep: boolean;
+    done: boolean;
+    constructor(params: any, owneryQuery: any, options: Options, children: Operation<any>[]);
+    /**
+     */
+    reset(): void;
+    abstract next(item: any, key: Key, owner: any, root: boolean): any;
+    /**
+     */
+    protected childrenNext(item: any, key: Key, owner: any, root: boolean): void;
+}
+export declare abstract class NamedGroupOperation extends GroupOperation implements NamedOperation {
+    readonly name: string;
+    abstract propop: boolean;
+    constructor(params: any, owneryQuery: any, options: Options, children: Operation<any>[], name: string);
+}
+export declare class QueryOperation<TItem> extends GroupOperation {
+    readonly propop = true;
+    /**
+     */
+    next(item: TItem, key: Key, parent: any, root: boolean): void;
+}
+export declare class NestedOperation extends GroupOperation {
+    readonly keyPath: Key[];
+    readonly propop = true;
+    constructor(keyPath: Key[], params: any, owneryQuery: any, options: Options, children: Operation<any>[]);
+    /**
+     */
+    next(item: any, key: Key, parent: any): void;
+    /**
+     */
+    private _nextNestedValue;
+}
+export declare const createTester: (a: any, compare: Comparator) => any;
+export declare class EqualsOperation<TParam> extends BaseOperation<TParam> {
+    readonly propop = true;
+    private _test;
+    init(): void;
+    next(item: any, key: Key, parent: any): void;
+}
+export declare const createEqualsOperation: (params: any, owneryQuery: any, options: Options) => EqualsOperation<any>;
+export declare class NopeOperation<TParam> extends BaseOperation<TParam> {
+    readonly propop = true;
+    next(): void;
+}
+export declare const numericalOperationCreator: (createNumericalOperation: OperationCreator<any>) => (params: any, owneryQuery: any, options: Options, name: string) => Operation<any>;
+export declare const numericalOperation: (createTester: (any: any) => Tester) => (params: any, owneryQuery: any, options: Options, name: string) => Operation<any>;
+export declare type Options = {
+    operations: {
+        [identifier: string]: OperationCreator<any>;
+    };
+    compare: (a: any, b: any) => boolean;
+};
+export declare const containsOperation: (query: any, options: Options) => boolean;
+export declare const createQueryOperation: <TItem, TSchema = TItem>(query: Query<TSchema>, owneryQuery?: any, { compare, operations }?: Partial<Options>) => QueryOperation<TItem>;
+export declare const createOperationTester: <TItem>(operation: Operation<TItem>) => (item: TItem, key?: Key, owner?: any) => boolean;
+export declare const createQueryTester: <TItem, TSchema = TItem>(query: Query<TSchema>, options?: Partial<Options>) => (item: TItem, key?: Key, owner?: any) => boolean;
+export {};
diff --git a/node_modules/sift/lib/index.d.ts b/node_modules/sift/lib/index.d.ts
new file mode 100644
index 000000000..66fc25b1c
--- /dev/null
+++ b/node_modules/sift/lib/index.d.ts
@@ -0,0 +1,6 @@
+import { Query, Options, createQueryTester, EqualsOperation, createQueryOperation, createEqualsOperation, createOperationTester } from "./core";
+declare const createDefaultQueryOperation: <TItem, TSchema extends TItem = TItem>(query: Query<TSchema>, ownerQuery: any, { compare, operations }?: Partial<Options>) => import("./core").QueryOperation<unknown>;
+declare const createDefaultQueryTester: <TItem, TSchema extends TItem = TItem>(query: Query<TSchema>, options?: Partial<Options>) => (item: unknown, key?: import("./utils").Key, owner?: any) => boolean;
+export { Query, EqualsOperation, createQueryTester, createOperationTester, createDefaultQueryOperation, createEqualsOperation, createQueryOperation };
+export * from "./operations";
+export default createDefaultQueryTester;
diff --git a/node_modules/sift/lib/index.js b/node_modules/sift/lib/index.js
new file mode 100644
index 000000000..3e6e078f5
--- /dev/null
+++ b/node_modules/sift/lib/index.js
@@ -0,0 +1,766 @@
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+    typeof define === 'function' && define.amd ? define(['exports'], factory) :
+    (global = global || self, factory(global.sift = {}));
+}(this, (function (exports) { 'use strict';
+
+    /*! *****************************************************************************
+    Copyright (c) Microsoft Corporation.
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose with or without fee is hereby granted.
+
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+    PERFORMANCE OF THIS SOFTWARE.
+    ***************************************************************************** */
+    /* global Reflect, Promise */
+
+    var extendStatics = function(d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+
+    function __extends(d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    }
+
+    var typeChecker = function (type) {
+        var typeString = "[object " + type + "]";
+        return function (value) {
+            return getClassName(value) === typeString;
+        };
+    };
+    var getClassName = function (value) { return Object.prototype.toString.call(value); };
+    var comparable = function (value) {
+        if (value instanceof Date) {
+            return value.getTime();
+        }
+        else if (isArray(value)) {
+            return value.map(comparable);
+        }
+        else if (value && typeof value.toJSON === "function") {
+            return value.toJSON();
+        }
+        return value;
+    };
+    var isArray = typeChecker("Array");
+    var isObject = typeChecker("Object");
+    var isFunction = typeChecker("Function");
+    var isVanillaObject = function (value) {
+        return (value &&
+            (value.constructor === Object ||
+                value.constructor === Array ||
+                value.constructor.toString() === "function Object() { [native code] }" ||
+                value.constructor.toString() === "function Array() { [native code] }") &&
+            !value.toJSON);
+    };
+    var equals = function (a, b) {
+        if (a == null && a == b) {
+            return true;
+        }
+        if (a === b) {
+            return true;
+        }
+        if (Object.prototype.toString.call(a) !== Object.prototype.toString.call(b)) {
+            return false;
+        }
+        if (isArray(a)) {
+            if (a.length !== b.length) {
+                return false;
+            }
+            for (var i = 0, length_1 = a.length; i < length_1; i++) {
+                if (!equals(a[i], b[i]))
+                    return false;
+            }
+            return true;
+        }
+        else if (isObject(a)) {
+            if (Object.keys(a).length !== Object.keys(b).length) {
+                return false;
+            }
+            for (var key in a) {
+                if (!equals(a[key], b[key]))
+                    return false;
+            }
+            return true;
+        }
+        return false;
+    };
+
+    /**
+     * Walks through each value given the context - used for nested operations. E.g:
+     * { "person.address": { $eq: "blarg" }}
+     */
+    var walkKeyPathValues = function (item, keyPath, next, depth, key, owner) {
+        var currentKey = keyPath[depth];
+        // if array, then try matching. Might fall through for cases like:
+        // { $eq: [1, 2, 3] }, [ 1, 2, 3 ].
+        if (isArray(item) && isNaN(Number(currentKey))) {
+            for (var i = 0, length_1 = item.length; i < length_1; i++) {
+                // if FALSE is returned, then terminate walker. For operations, this simply
+                // means that the search critera was met.
+                if (!walkKeyPathValues(item[i], keyPath, next, depth, i, item)) {
+                    return false;
+                }
+            }
+        }
+        if (depth === keyPath.length || item == null) {
+            return next(item, key, owner, depth === 0);
+        }
+        return walkKeyPathValues(item[currentKey], keyPath, next, depth + 1, currentKey, item);
+    };
+    var BaseOperation = /** @class */ (function () {
+        function BaseOperation(params, owneryQuery, options, name) {
+            this.params = params;
+            this.owneryQuery = owneryQuery;
+            this.options = options;
+            this.name = name;
+            this.init();
+        }
+        BaseOperation.prototype.init = function () { };
+        BaseOperation.prototype.reset = function () {
+            this.done = false;
+            this.keep = false;
+        };
+        return BaseOperation;
+    }());
+    var GroupOperation = /** @class */ (function (_super) {
+        __extends(GroupOperation, _super);
+        function GroupOperation(params, owneryQuery, options, children) {
+            var _this = _super.call(this, params, owneryQuery, options) || this;
+            _this.children = children;
+            return _this;
+        }
+        /**
+         */
+        GroupOperation.prototype.reset = function () {
+            this.keep = false;
+            this.done = false;
+            for (var i = 0, length_2 = this.children.length; i < length_2; i++) {
+                this.children[i].reset();
+            }
+        };
+        /**
+         */
+        GroupOperation.prototype.childrenNext = function (item, key, owner, root) {
+            var done = true;
+            var keep = true;
+            for (var i = 0, length_3 = this.children.length; i < length_3; i++) {
+                var childOperation = this.children[i];
+                if (!childOperation.done) {
+                    childOperation.next(item, key, owner, root);
+                }
+                if (!childOperation.keep) {
+                    keep = false;
+                }
+                if (childOperation.done) {
+                    if (!childOperation.keep) {
+                        break;
+                    }
+                }
+                else {
+                    done = false;
+                }
+            }
+            this.done = done;
+            this.keep = keep;
+        };
+        return GroupOperation;
+    }(BaseOperation));
+    var NamedGroupOperation = /** @class */ (function (_super) {
+        __extends(NamedGroupOperation, _super);
+        function NamedGroupOperation(params, owneryQuery, options, children, name) {
+            var _this = _super.call(this, params, owneryQuery, options, children) || this;
+            _this.name = name;
+            return _this;
+        }
+        return NamedGroupOperation;
+    }(GroupOperation));
+    var QueryOperation = /** @class */ (function (_super) {
+        __extends(QueryOperation, _super);
+        function QueryOperation() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        /**
+         */
+        QueryOperation.prototype.next = function (item, key, parent, root) {
+            this.childrenNext(item, key, parent, root);
+        };
+        return QueryOperation;
+    }(GroupOperation));
+    var NestedOperation = /** @class */ (function (_super) {
+        __extends(NestedOperation, _super);
+        function NestedOperation(keyPath, params, owneryQuery, options, children) {
+            var _this = _super.call(this, params, owneryQuery, options, children) || this;
+            _this.keyPath = keyPath;
+            _this.propop = true;
+            /**
+             */
+            _this._nextNestedValue = function (value, key, owner, root) {
+                _this.childrenNext(value, key, owner, root);
+                return !_this.done;
+            };
+            return _this;
+        }
+        /**
+         */
+        NestedOperation.prototype.next = function (item, key, parent) {
+            walkKeyPathValues(item, this.keyPath, this._nextNestedValue, 0, key, parent);
+        };
+        return NestedOperation;
+    }(GroupOperation));
+    var createTester = function (a, compare) {
+        if (a instanceof Function) {
+            return a;
+        }
+        if (a instanceof RegExp) {
+            return function (b) {
+                var result = typeof b === "string" && a.test(b);
+                a.lastIndex = 0;
+                return result;
+            };
+        }
+        var comparableA = comparable(a);
+        return function (b) { return compare(comparableA, comparable(b)); };
+    };
+    var EqualsOperation = /** @class */ (function (_super) {
+        __extends(EqualsOperation, _super);
+        function EqualsOperation() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        EqualsOperation.prototype.init = function () {
+            this._test = createTester(this.params, this.options.compare);
+        };
+        EqualsOperation.prototype.next = function (item, key, parent) {
+            if (!Array.isArray(parent) || parent.hasOwnProperty(key)) {
+                if (this._test(item, key, parent)) {
+                    this.done = true;
+                    this.keep = true;
+                }
+            }
+        };
+        return EqualsOperation;
+    }(BaseOperation));
+    var createEqualsOperation = function (params, owneryQuery, options) { return new EqualsOperation(params, owneryQuery, options); };
+    var NopeOperation = /** @class */ (function (_super) {
+        __extends(NopeOperation, _super);
+        function NopeOperation() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        NopeOperation.prototype.next = function () {
+            this.done = true;
+            this.keep = false;
+        };
+        return NopeOperation;
+    }(BaseOperation));
+    var numericalOperationCreator = function (createNumericalOperation) { return function (params, owneryQuery, options, name) {
+        if (params == null) {
+            return new NopeOperation(params, owneryQuery, options, name);
+        }
+        return createNumericalOperation(params, owneryQuery, options, name);
+    }; };
+    var numericalOperation = function (createTester) {
+        return numericalOperationCreator(function (params, owneryQuery, options, name) {
+            var typeofParams = typeof comparable(params);
+            var test = createTester(params);
+            return new EqualsOperation(function (b) {
+                return typeof comparable(b) === typeofParams && test(b);
+            }, owneryQuery, options, name);
+        });
+    };
+    var createNamedOperation = function (name, params, parentQuery, options) {
+        var operationCreator = options.operations[name];
+        if (!operationCreator) {
+            throwUnsupportedOperation(name);
+        }
+        return operationCreator(params, parentQuery, options, name);
+    };
+    var throwUnsupportedOperation = function (name) {
+        throw new Error("Unsupported operation: " + name);
+    };
+    var containsOperation = function (query, options) {
+        for (var key in query) {
+            if (options.operations.hasOwnProperty(key) || key.charAt(0) === "$")
+                return true;
+        }
+        return false;
+    };
+    var createNestedOperation = function (keyPath, nestedQuery, parentKey, owneryQuery, options) {
+        if (containsOperation(nestedQuery, options)) {
+            var _a = createQueryOperations(nestedQuery, parentKey, options), selfOperations = _a[0], nestedOperations = _a[1];
+            if (nestedOperations.length) {
+                throw new Error("Property queries must contain only operations, or exact objects.");
+            }
+            return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, selfOperations);
+        }
+        return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, [
+            new EqualsOperation(nestedQuery, owneryQuery, options)
+        ]);
+    };
+    var createQueryOperation = function (query, owneryQuery, _a) {
+        if (owneryQuery === void 0) { owneryQuery = null; }
+        var _b = _a === void 0 ? {} : _a, compare = _b.compare, operations = _b.operations;
+        var options = {
+            compare: compare || equals,
+            operations: Object.assign({}, operations || {})
+        };
+        var _c = createQueryOperations(query, null, options), selfOperations = _c[0], nestedOperations = _c[1];
+        var ops = [];
+        if (selfOperations.length) {
+            ops.push(new NestedOperation([], query, owneryQuery, options, selfOperations));
+        }
+        ops.push.apply(ops, nestedOperations);
+        if (ops.length === 1) {
+            return ops[0];
+        }
+        return new QueryOperation(query, owneryQuery, options, ops);
+    };
+    var createQueryOperations = function (query, parentKey, options) {
+        var selfOperations = [];
+        var nestedOperations = [];
+        if (!isVanillaObject(query)) {
+            selfOperations.push(new EqualsOperation(query, query, options));
+            return [selfOperations, nestedOperations];
+        }
+        for (var key in query) {
+            if (options.operations.hasOwnProperty(key)) {
+                var op = createNamedOperation(key, query[key], query, options);
+                if (op) {
+                    if (!op.propop && parentKey && !options.operations[parentKey]) {
+                        throw new Error("Malformed query. " + key + " cannot be matched against property.");
+                    }
+                }
+                // probably just a flag for another operation (like $options)
+                if (op != null) {
+                    selfOperations.push(op);
+                }
+            }
+            else if (key.charAt(0) === "$") {
+                throwUnsupportedOperation(key);
+            }
+            else {
+                nestedOperations.push(createNestedOperation(key.split("."), query[key], key, query, options));
+            }
+        }
+        return [selfOperations, nestedOperations];
+    };
+    var createOperationTester = function (operation) { return function (item, key, owner) {
+        operation.reset();
+        operation.next(item, key, owner);
+        return operation.keep;
+    }; };
+    var createQueryTester = function (query, options) {
+        if (options === void 0) { options = {}; }
+        return createOperationTester(createQueryOperation(query, null, options));
+    };
+
+    var $Ne = /** @class */ (function (_super) {
+        __extends($Ne, _super);
+        function $Ne() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $Ne.prototype.init = function () {
+            this._test = createTester(this.params, this.options.compare);
+        };
+        $Ne.prototype.reset = function () {
+            _super.prototype.reset.call(this);
+            this.keep = true;
+        };
+        $Ne.prototype.next = function (item) {
+            if (this._test(item)) {
+                this.done = true;
+                this.keep = false;
+            }
+        };
+        return $Ne;
+    }(BaseOperation));
+    // https://docs.mongodb.com/manual/reference/operator/query/elemMatch/
+    var $ElemMatch = /** @class */ (function (_super) {
+        __extends($ElemMatch, _super);
+        function $ElemMatch() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $ElemMatch.prototype.init = function () {
+            if (!this.params || typeof this.params !== "object") {
+                throw new Error("Malformed query. $elemMatch must by an object.");
+            }
+            this._queryOperation = createQueryOperation(this.params, this.owneryQuery, this.options);
+        };
+        $ElemMatch.prototype.reset = function () {
+            _super.prototype.reset.call(this);
+            this._queryOperation.reset();
+        };
+        $ElemMatch.prototype.next = function (item) {
+            if (isArray(item)) {
+                for (var i = 0, length_1 = item.length; i < length_1; i++) {
+                    // reset query operation since item being tested needs to pass _all_ query
+                    // operations for it to be a success
+                    this._queryOperation.reset();
+                    var child = item[i];
+                    this._queryOperation.next(child, i, item, false);
+                    this.keep = this.keep || this._queryOperation.keep;
+                }
+                this.done = true;
+            }
+            else {
+                this.done = false;
+                this.keep = false;
+            }
+        };
+        return $ElemMatch;
+    }(BaseOperation));
+    var $Not = /** @class */ (function (_super) {
+        __extends($Not, _super);
+        function $Not() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $Not.prototype.init = function () {
+            this._queryOperation = createQueryOperation(this.params, this.owneryQuery, this.options);
+        };
+        $Not.prototype.reset = function () {
+            _super.prototype.reset.call(this);
+            this._queryOperation.reset();
+        };
+        $Not.prototype.next = function (item, key, owner, root) {
+            this._queryOperation.next(item, key, owner, root);
+            this.done = this._queryOperation.done;
+            this.keep = !this._queryOperation.keep;
+        };
+        return $Not;
+    }(BaseOperation));
+    var $Size = /** @class */ (function (_super) {
+        __extends($Size, _super);
+        function $Size() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $Size.prototype.init = function () { };
+        $Size.prototype.next = function (item) {
+            if (isArray(item) && item.length === this.params) {
+                this.done = true;
+                this.keep = true;
+            }
+            // if (parent && parent.length === this.params) {
+            //   this.done = true;
+            //   this.keep = true;
+            // }
+        };
+        return $Size;
+    }(BaseOperation));
+    var assertGroupNotEmpty = function (values) {
+        if (values.length === 0) {
+            throw new Error("$and/$or/$nor must be a nonempty array");
+        }
+    };
+    var $Or = /** @class */ (function (_super) {
+        __extends($Or, _super);
+        function $Or() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = false;
+            return _this;
+        }
+        $Or.prototype.init = function () {
+            var _this = this;
+            assertGroupNotEmpty(this.params);
+            this._ops = this.params.map(function (op) {
+                return createQueryOperation(op, null, _this.options);
+            });
+        };
+        $Or.prototype.reset = function () {
+            this.done = false;
+            this.keep = false;
+            for (var i = 0, length_2 = this._ops.length; i < length_2; i++) {
+                this._ops[i].reset();
+            }
+        };
+        $Or.prototype.next = function (item, key, owner) {
+            var done = false;
+            var success = false;
+            for (var i = 0, length_3 = this._ops.length; i < length_3; i++) {
+                var op = this._ops[i];
+                op.next(item, key, owner);
+                if (op.keep) {
+                    done = true;
+                    success = op.keep;
+                    break;
+                }
+            }
+            this.keep = success;
+            this.done = done;
+        };
+        return $Or;
+    }(BaseOperation));
+    var $Nor = /** @class */ (function (_super) {
+        __extends($Nor, _super);
+        function $Nor() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = false;
+            return _this;
+        }
+        $Nor.prototype.next = function (item, key, owner) {
+            _super.prototype.next.call(this, item, key, owner);
+            this.keep = !this.keep;
+        };
+        return $Nor;
+    }($Or));
+    var $In = /** @class */ (function (_super) {
+        __extends($In, _super);
+        function $In() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $In.prototype.init = function () {
+            var _this = this;
+            this._testers = this.params.map(function (value) {
+                if (containsOperation(value, _this.options)) {
+                    throw new Error("cannot nest $ under " + _this.name.toLowerCase());
+                }
+                return createTester(value, _this.options.compare);
+            });
+        };
+        $In.prototype.next = function (item, key, owner) {
+            var done = false;
+            var success = false;
+            for (var i = 0, length_4 = this._testers.length; i < length_4; i++) {
+                var test = this._testers[i];
+                if (test(item)) {
+                    done = true;
+                    success = true;
+                    break;
+                }
+            }
+            this.keep = success;
+            this.done = done;
+        };
+        return $In;
+    }(BaseOperation));
+    var $Nin = /** @class */ (function (_super) {
+        __extends($Nin, _super);
+        function $Nin(params, ownerQuery, options, name) {
+            var _this = _super.call(this, params, ownerQuery, options, name) || this;
+            _this.propop = true;
+            _this._in = new $In(params, ownerQuery, options, name);
+            return _this;
+        }
+        $Nin.prototype.next = function (item, key, owner, root) {
+            this._in.next(item, key, owner);
+            if (isArray(owner) && !root) {
+                if (this._in.keep) {
+                    this.keep = false;
+                    this.done = true;
+                }
+                else if (key == owner.length - 1) {
+                    this.keep = true;
+                    this.done = true;
+                }
+            }
+            else {
+                this.keep = !this._in.keep;
+                this.done = true;
+            }
+        };
+        $Nin.prototype.reset = function () {
+            _super.prototype.reset.call(this);
+            this._in.reset();
+        };
+        return $Nin;
+    }(BaseOperation));
+    var $Exists = /** @class */ (function (_super) {
+        __extends($Exists, _super);
+        function $Exists() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $Exists.prototype.next = function (item, key, owner) {
+            if (owner.hasOwnProperty(key) === this.params) {
+                this.done = true;
+                this.keep = true;
+            }
+        };
+        return $Exists;
+    }(BaseOperation));
+    var $And = /** @class */ (function (_super) {
+        __extends($And, _super);
+        function $And(params, owneryQuery, options, name) {
+            var _this = _super.call(this, params, owneryQuery, options, params.map(function (query) { return createQueryOperation(query, owneryQuery, options); }), name) || this;
+            _this.propop = false;
+            assertGroupNotEmpty(params);
+            return _this;
+        }
+        $And.prototype.next = function (item, key, owner, root) {
+            this.childrenNext(item, key, owner, root);
+        };
+        return $And;
+    }(NamedGroupOperation));
+    var $All = /** @class */ (function (_super) {
+        __extends($All, _super);
+        function $All(params, owneryQuery, options, name) {
+            var _this = _super.call(this, params, owneryQuery, options, params.map(function (query) { return createQueryOperation(query, owneryQuery, options); }), name) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $All.prototype.next = function (item, key, owner, root) {
+            this.childrenNext(item, key, owner, root);
+        };
+        return $All;
+    }(NamedGroupOperation));
+    var $eq = function (params, owneryQuery, options) {
+        return new EqualsOperation(params, owneryQuery, options);
+    };
+    var $ne = function (params, owneryQuery, options, name) { return new $Ne(params, owneryQuery, options, name); };
+    var $or = function (params, owneryQuery, options, name) { return new $Or(params, owneryQuery, options, name); };
+    var $nor = function (params, owneryQuery, options, name) { return new $Nor(params, owneryQuery, options, name); };
+    var $elemMatch = function (params, owneryQuery, options, name) { return new $ElemMatch(params, owneryQuery, options, name); };
+    var $nin = function (params, owneryQuery, options, name) { return new $Nin(params, owneryQuery, options, name); };
+    var $in = function (params, owneryQuery, options, name) {
+        return new $In(params, owneryQuery, options, name);
+    };
+    var $lt = numericalOperation(function (params) { return function (b) { return b < params; }; });
+    var $lte = numericalOperation(function (params) { return function (b) { return b <= params; }; });
+    var $gt = numericalOperation(function (params) { return function (b) { return b > params; }; });
+    var $gte = numericalOperation(function (params) { return function (b) { return b >= params; }; });
+    var $mod = function (_a, owneryQuery, options) {
+        var mod = _a[0], equalsValue = _a[1];
+        return new EqualsOperation(function (b) { return comparable(b) % mod === equalsValue; }, owneryQuery, options);
+    };
+    var $exists = function (params, owneryQuery, options, name) { return new $Exists(params, owneryQuery, options, name); };
+    var $regex = function (pattern, owneryQuery, options) {
+        return new EqualsOperation(new RegExp(pattern, owneryQuery.$options), owneryQuery, options);
+    };
+    var $not = function (params, owneryQuery, options, name) { return new $Not(params, owneryQuery, options, name); };
+    var typeAliases = {
+        number: function (v) { return typeof v === "number"; },
+        string: function (v) { return typeof v === "string"; },
+        bool: function (v) { return typeof v === "boolean"; },
+        array: function (v) { return Array.isArray(v); },
+        null: function (v) { return v === null; },
+        timestamp: function (v) { return v instanceof Date; }
+    };
+    var $type = function (clazz, owneryQuery, options) {
+        return new EqualsOperation(function (b) {
+            if (typeof clazz === "string") {
+                if (!typeAliases[clazz]) {
+                    throw new Error("Type alias does not exist");
+                }
+                return typeAliases[clazz](b);
+            }
+            return b != null ? b instanceof clazz || b.constructor === clazz : false;
+        }, owneryQuery, options);
+    };
+    var $and = function (params, ownerQuery, options, name) { return new $And(params, ownerQuery, options, name); };
+    var $all = function (params, ownerQuery, options, name) { return new $All(params, ownerQuery, options, name); };
+    var $size = function (params, ownerQuery, options) { return new $Size(params, ownerQuery, options, "$size"); };
+    var $options = function () { return null; };
+    var $where = function (params, ownerQuery, options) {
+        var test;
+        if (isFunction(params)) {
+            test = params;
+        }
+        else if (!process.env.CSP_ENABLED) {
+            test = new Function("obj", "return " + params);
+        }
+        else {
+            throw new Error("In CSP mode, sift does not support strings in \"$where\" condition");
+        }
+        return new EqualsOperation(function (b) { return test.bind(b)(b); }, ownerQuery, options);
+    };
+
+    var defaultOperations = /*#__PURE__*/Object.freeze({
+        __proto__: null,
+        $Size: $Size,
+        $eq: $eq,
+        $ne: $ne,
+        $or: $or,
+        $nor: $nor,
+        $elemMatch: $elemMatch,
+        $nin: $nin,
+        $in: $in,
+        $lt: $lt,
+        $lte: $lte,
+        $gt: $gt,
+        $gte: $gte,
+        $mod: $mod,
+        $exists: $exists,
+        $regex: $regex,
+        $not: $not,
+        $type: $type,
+        $and: $and,
+        $all: $all,
+        $size: $size,
+        $options: $options,
+        $where: $where
+    });
+
+    var createDefaultQueryOperation = function (query, ownerQuery, _a) {
+        var _b = _a === void 0 ? {} : _a, compare = _b.compare, operations = _b.operations;
+        return createQueryOperation(query, ownerQuery, {
+            compare: compare,
+            operations: Object.assign({}, defaultOperations, operations || {})
+        });
+    };
+    var createDefaultQueryTester = function (query, options) {
+        if (options === void 0) { options = {}; }
+        var op = createDefaultQueryOperation(query, null, options);
+        return createOperationTester(op);
+    };
+
+    exports.$Size = $Size;
+    exports.$all = $all;
+    exports.$and = $and;
+    exports.$elemMatch = $elemMatch;
+    exports.$eq = $eq;
+    exports.$exists = $exists;
+    exports.$gt = $gt;
+    exports.$gte = $gte;
+    exports.$in = $in;
+    exports.$lt = $lt;
+    exports.$lte = $lte;
+    exports.$mod = $mod;
+    exports.$ne = $ne;
+    exports.$nin = $nin;
+    exports.$nor = $nor;
+    exports.$not = $not;
+    exports.$options = $options;
+    exports.$or = $or;
+    exports.$regex = $regex;
+    exports.$size = $size;
+    exports.$type = $type;
+    exports.$where = $where;
+    exports.EqualsOperation = EqualsOperation;
+    exports.createDefaultQueryOperation = createDefaultQueryOperation;
+    exports.createEqualsOperation = createEqualsOperation;
+    exports.createOperationTester = createOperationTester;
+    exports.createQueryOperation = createQueryOperation;
+    exports.createQueryTester = createQueryTester;
+    exports.default = createDefaultQueryTester;
+
+    Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
+//# sourceMappingURL=index.js.map
diff --git a/node_modules/sift/lib/index.js.map b/node_modules/sift/lib/index.js.map
new file mode 100644
index 000000000..d8f5fa943
--- /dev/null
+++ b/node_modules/sift/lib/index.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sources":["../node_modules/tslib/tslib.es6.js","../src/utils.ts","../src/core.ts","../src/operations.ts","../src/index.ts"],"sourcesContent":["/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n    extendStatics = Object.setPrototypeOf ||\r\n        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n        function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n    return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n    if (typeof b !== \"function\" && b !== null)\r\n        throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n    extendStatics(d, b);\r\n    function __() { this.constructor = d; }\r\n    d.prototype = b === null ? 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\ No newline at end of file
diff --git a/node_modules/sift/lib/operations.d.ts b/node_modules/sift/lib/operations.d.ts
new file mode 100644
index 000000000..ea1247baa
--- /dev/null
+++ b/node_modules/sift/lib/operations.d.ts
@@ -0,0 +1,88 @@
+import { BaseOperation, EqualsOperation, Options, Operation, Query, NamedGroupOperation } from "./core";
+import { Key } from "./utils";
+declare class $Ne extends BaseOperation<any> {
+    readonly propop = true;
+    private _test;
+    init(): void;
+    reset(): void;
+    next(item: any): void;
+}
+declare class $ElemMatch extends BaseOperation<Query<any>> {
+    readonly propop = true;
+    private _queryOperation;
+    init(): void;
+    reset(): void;
+    next(item: any): void;
+}
+declare class $Not extends BaseOperation<Query<any>> {
+    readonly propop = true;
+    private _queryOperation;
+    init(): void;
+    reset(): void;
+    next(item: any, key: Key, owner: any, root: boolean): void;
+}
+export declare class $Size extends BaseOperation<any> {
+    readonly propop = true;
+    init(): void;
+    next(item: any): void;
+}
+declare class $Or extends BaseOperation<any> {
+    readonly propop = false;
+    private _ops;
+    init(): void;
+    reset(): void;
+    next(item: any, key: Key, owner: any): void;
+}
+declare class $Nor extends $Or {
+    readonly propop = false;
+    next(item: any, key: Key, owner: any): void;
+}
+declare class $In extends BaseOperation<any> {
+    readonly propop = true;
+    private _testers;
+    init(): void;
+    next(item: any, key: Key, owner: any): void;
+}
+declare class $Nin extends BaseOperation<any> {
+    readonly propop = true;
+    private _in;
+    constructor(params: any, ownerQuery: any, options: Options, name: string);
+    next(item: any, key: Key, owner: any, root: boolean): void;
+    reset(): void;
+}
+declare class $Exists extends BaseOperation<boolean> {
+    readonly propop = true;
+    next(item: any, key: Key, owner: any): void;
+}
+declare class $And extends NamedGroupOperation {
+    readonly propop = false;
+    constructor(params: Query<any>[], owneryQuery: Query<any>, options: Options, name: string);
+    next(item: any, key: Key, owner: any, root: boolean): void;
+}
+declare class $All extends NamedGroupOperation {
+    readonly propop = true;
+    constructor(params: Query<any>[], owneryQuery: Query<any>, options: Options, name: string);
+    next(item: any, key: Key, owner: any, root: boolean): void;
+}
+export declare const $eq: (params: any, owneryQuery: Query<any>, options: Options) => EqualsOperation<any>;
+export declare const $ne: (params: any, owneryQuery: Query<any>, options: Options, name: string) => $Ne;
+export declare const $or: (params: Query<any>[], owneryQuery: Query<any>, options: Options, name: string) => $Or;
+export declare const $nor: (params: Query<any>[], owneryQuery: Query<any>, options: Options, name: string) => $Nor;
+export declare const $elemMatch: (params: any, owneryQuery: Query<any>, options: Options, name: string) => $ElemMatch;
+export declare const $nin: (params: any, owneryQuery: Query<any>, options: Options, name: string) => $Nin;
+export declare const $in: (params: any, owneryQuery: Query<any>, options: Options, name: string) => $In;
+export declare const $lt: (params: any, owneryQuery: any, options: Options, name: string) => Operation<any>;
+export declare const $lte: (params: any, owneryQuery: any, options: Options, name: string) => Operation<any>;
+export declare const $gt: (params: any, owneryQuery: any, options: Options, name: string) => Operation<any>;
+export declare const $gte: (params: any, owneryQuery: any, options: Options, name: string) => Operation<any>;
+export declare const $mod: ([mod, equalsValue]: number[], owneryQuery: Query<any>, options: Options) => EqualsOperation<(b: any) => boolean>;
+export declare const $exists: (params: boolean, owneryQuery: Query<any>, options: Options, name: string) => $Exists;
+export declare const $regex: (pattern: string, owneryQuery: Query<any>, options: Options) => EqualsOperation<RegExp>;
+export declare const $not: (params: any, owneryQuery: Query<any>, options: Options, name: string) => $Not;
+export declare const $type: (clazz: Function | string, owneryQuery: Query<any>, options: Options) => EqualsOperation<(b: any) => any>;
+export declare const $and: (params: Query<any>[], ownerQuery: Query<any>, options: Options, name: string) => $And;
+export declare const $all: (params: Query<any>[], ownerQuery: Query<any>, options: Options, name: string) => $All;
+export declare const $size: (params: number, ownerQuery: Query<any>, options: Options) => $Size;
+export declare const $options: () => any;
+export declare const $where: (params: string | Function, ownerQuery: Query<any>, options: Options) => EqualsOperation<(b: any) => any>;
+export {};
diff --git a/node_modules/sift/lib/utils.d.ts b/node_modules/sift/lib/utils.d.ts
new file mode 100644
index 000000000..422a2924a
--- /dev/null
+++ b/node_modules/sift/lib/utils.d.ts
@@ -0,0 +1,9 @@
+export declare type Key = string | number;
+export declare type Comparator = (a: any, b: any) => boolean;
+export declare const typeChecker: <TType>(type: any) => (value: any) => value is TType;
+export declare const comparable: (value: any) => any;
+export declare const isArray: (value: any) => value is any[];
+export declare const isObject: (value: any) => value is Object;
+export declare const isFunction: (value: any) => value is Function;
+export declare const isVanillaObject: (value: any) => boolean;
+export declare const equals: (a: any, b: any) => boolean;
diff --git a/node_modules/sift/package.json b/node_modules/sift/package.json
new file mode 100644
index 000000000..d6ed64aec
--- /dev/null
+++ b/node_modules/sift/package.json
@@ -0,0 +1,62 @@
+{
+  "name": "sift",
+  "description": "MongoDB query filtering in JavaScript",
+  "version": "16.0.0",
+  "repository": "crcn/sift.js",
+  "sideEffects": false,
+  "author": {
+    "name": "Craig Condon",
+    "email": "craig.j.condon@gmail.com"
+  },
+  "license": "MIT",
+  "engines": {},
+  "typings": "./index.d.ts",
+  "husky": {
+    "hooks": {
+      "pre-commit": "pretty-quick --staged"
+    }
+  },
+  "devDependencies": {
+    "@rollup/plugin-replace": "^2.3.2",
+    "@rollup/plugin-typescript": "8.2.1",
+    "@types/node": "^13.7.0",
+    "bson": "^4.0.3",
+    "eval": "^0.1.4",
+    "husky": "^1.2.1",
+    "immutable": "^3.7.6",
+    "mocha": "8.3.2",
+    "mongodb": "^3.6.6",
+    "prettier": "1.15.3",
+    "pretty-quick": "^1.11.1",
+    "rimraf": "^3.0.2",
+    "rollup": "^2.7.2",
+    "rollup-plugin-terser": "^7.0.2",
+    "tslib": "2.2.0",
+    "typescript": "4.2.4"
+  },
+  "main": "./index.js",
+  "module": "./es5m/index.js",
+  "es2015": "./es/index.js",
+  "scripts": {
+    "clean": "rimraf lib es5m es",
+    "prebuild": "npm run clean && npm run build:types",
+    "build": "rollup -c",
+    "build:types": "tsc -p tsconfig.json --emitDeclarationOnly --outDir lib",
+    "test": "npm run test:spec && npm run test:types",
+    "test:spec": "mocha ./test -R spec",
+    "test:types": "cd test && tsc types.ts --noEmit",
+    "prepublishOnly": "npm run build && npm run test"
+  },
+  "files": [
+    "es",
+    "es5m",
+    "lib",
+    "src",
+    "*.d.ts",
+    "*.js.map",
+    "index.js",
+    "sift.csp.min.js",
+    "sift.min.js",
+    "MIT-LICENSE.txt"
+  ]
+}
diff --git a/node_modules/sift/sift.csp.min.js b/node_modules/sift/sift.csp.min.js
new file mode 100644
index 000000000..ac6865c21
--- /dev/null
+++ b/node_modules/sift/sift.csp.min.js
@@ -0,0 +1,763 @@
+(function (global, factory) {
+    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+    typeof define === 'function' && define.amd ? define(['exports'], factory) :
+    (global = global || self, factory(global.sift = {}));
+}(this, (function (exports) { 'use strict';
+
+    /*! *****************************************************************************
+    Copyright (c) Microsoft Corporation.
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose with or without fee is hereby granted.
+
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+    PERFORMANCE OF THIS SOFTWARE.
+    ***************************************************************************** */
+    /* global Reflect, Promise */
+
+    var extendStatics = function(d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+
+    function __extends(d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    }
+
+    var typeChecker = function (type) {
+        var typeString = "[object " + type + "]";
+        return function (value) {
+            return getClassName(value) === typeString;
+        };
+    };
+    var getClassName = function (value) { return Object.prototype.toString.call(value); };
+    var comparable = function (value) {
+        if (value instanceof Date) {
+            return value.getTime();
+        }
+        else if (isArray(value)) {
+            return value.map(comparable);
+        }
+        else if (value && typeof value.toJSON === "function") {
+            return value.toJSON();
+        }
+        return value;
+    };
+    var isArray = typeChecker("Array");
+    var isObject = typeChecker("Object");
+    var isFunction = typeChecker("Function");
+    var isVanillaObject = function (value) {
+        return (value &&
+            (value.constructor === Object ||
+                value.constructor === Array ||
+                value.constructor.toString() === "function Object() { [native code] }" ||
+                value.constructor.toString() === "function Array() { [native code] }") &&
+            !value.toJSON);
+    };
+    var equals = function (a, b) {
+        if (a == null && a == b) {
+            return true;
+        }
+        if (a === b) {
+            return true;
+        }
+        if (Object.prototype.toString.call(a) !== Object.prototype.toString.call(b)) {
+            return false;
+        }
+        if (isArray(a)) {
+            if (a.length !== b.length) {
+                return false;
+            }
+            for (var i = 0, length_1 = a.length; i < length_1; i++) {
+                if (!equals(a[i], b[i]))
+                    return false;
+            }
+            return true;
+        }
+        else if (isObject(a)) {
+            if (Object.keys(a).length !== Object.keys(b).length) {
+                return false;
+            }
+            for (var key in a) {
+                if (!equals(a[key], b[key]))
+                    return false;
+            }
+            return true;
+        }
+        return false;
+    };
+
+    /**
+     * Walks through each value given the context - used for nested operations. E.g:
+     * { "person.address": { $eq: "blarg" }}
+     */
+    var walkKeyPathValues = function (item, keyPath, next, depth, key, owner) {
+        var currentKey = keyPath[depth];
+        // if array, then try matching. Might fall through for cases like:
+        // { $eq: [1, 2, 3] }, [ 1, 2, 3 ].
+        if (isArray(item) && isNaN(Number(currentKey))) {
+            for (var i = 0, length_1 = item.length; i < length_1; i++) {
+                // if FALSE is returned, then terminate walker. For operations, this simply
+                // means that the search critera was met.
+                if (!walkKeyPathValues(item[i], keyPath, next, depth, i, item)) {
+                    return false;
+                }
+            }
+        }
+        if (depth === keyPath.length || item == null) {
+            return next(item, key, owner, depth === 0);
+        }
+        return walkKeyPathValues(item[currentKey], keyPath, next, depth + 1, currentKey, item);
+    };
+    var BaseOperation = /** @class */ (function () {
+        function BaseOperation(params, owneryQuery, options, name) {
+            this.params = params;
+            this.owneryQuery = owneryQuery;
+            this.options = options;
+            this.name = name;
+            this.init();
+        }
+        BaseOperation.prototype.init = function () { };
+        BaseOperation.prototype.reset = function () {
+            this.done = false;
+            this.keep = false;
+        };
+        return BaseOperation;
+    }());
+    var GroupOperation = /** @class */ (function (_super) {
+        __extends(GroupOperation, _super);
+        function GroupOperation(params, owneryQuery, options, children) {
+            var _this = _super.call(this, params, owneryQuery, options) || this;
+            _this.children = children;
+            return _this;
+        }
+        /**
+         */
+        GroupOperation.prototype.reset = function () {
+            this.keep = false;
+            this.done = false;
+            for (var i = 0, length_2 = this.children.length; i < length_2; i++) {
+                this.children[i].reset();
+            }
+        };
+        /**
+         */
+        GroupOperation.prototype.childrenNext = function (item, key, owner, root) {
+            var done = true;
+            var keep = true;
+            for (var i = 0, length_3 = this.children.length; i < length_3; i++) {
+                var childOperation = this.children[i];
+                if (!childOperation.done) {
+                    childOperation.next(item, key, owner, root);
+                }
+                if (!childOperation.keep) {
+                    keep = false;
+                }
+                if (childOperation.done) {
+                    if (!childOperation.keep) {
+                        break;
+                    }
+                }
+                else {
+                    done = false;
+                }
+            }
+            this.done = done;
+            this.keep = keep;
+        };
+        return GroupOperation;
+    }(BaseOperation));
+    var NamedGroupOperation = /** @class */ (function (_super) {
+        __extends(NamedGroupOperation, _super);
+        function NamedGroupOperation(params, owneryQuery, options, children, name) {
+            var _this = _super.call(this, params, owneryQuery, options, children) || this;
+            _this.name = name;
+            return _this;
+        }
+        return NamedGroupOperation;
+    }(GroupOperation));
+    var QueryOperation = /** @class */ (function (_super) {
+        __extends(QueryOperation, _super);
+        function QueryOperation() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        /**
+         */
+        QueryOperation.prototype.next = function (item, key, parent, root) {
+            this.childrenNext(item, key, parent, root);
+        };
+        return QueryOperation;
+    }(GroupOperation));
+    var NestedOperation = /** @class */ (function (_super) {
+        __extends(NestedOperation, _super);
+        function NestedOperation(keyPath, params, owneryQuery, options, children) {
+            var _this = _super.call(this, params, owneryQuery, options, children) || this;
+            _this.keyPath = keyPath;
+            _this.propop = true;
+            /**
+             */
+            _this._nextNestedValue = function (value, key, owner, root) {
+                _this.childrenNext(value, key, owner, root);
+                return !_this.done;
+            };
+            return _this;
+        }
+        /**
+         */
+        NestedOperation.prototype.next = function (item, key, parent) {
+            walkKeyPathValues(item, this.keyPath, this._nextNestedValue, 0, key, parent);
+        };
+        return NestedOperation;
+    }(GroupOperation));
+    var createTester = function (a, compare) {
+        if (a instanceof Function) {
+            return a;
+        }
+        if (a instanceof RegExp) {
+            return function (b) {
+                var result = typeof b === "string" && a.test(b);
+                a.lastIndex = 0;
+                return result;
+            };
+        }
+        var comparableA = comparable(a);
+        return function (b) { return compare(comparableA, comparable(b)); };
+    };
+    var EqualsOperation = /** @class */ (function (_super) {
+        __extends(EqualsOperation, _super);
+        function EqualsOperation() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        EqualsOperation.prototype.init = function () {
+            this._test = createTester(this.params, this.options.compare);
+        };
+        EqualsOperation.prototype.next = function (item, key, parent) {
+            if (!Array.isArray(parent) || parent.hasOwnProperty(key)) {
+                if (this._test(item, key, parent)) {
+                    this.done = true;
+                    this.keep = true;
+                }
+            }
+        };
+        return EqualsOperation;
+    }(BaseOperation));
+    var createEqualsOperation = function (params, owneryQuery, options) { return new EqualsOperation(params, owneryQuery, options); };
+    var NopeOperation = /** @class */ (function (_super) {
+        __extends(NopeOperation, _super);
+        function NopeOperation() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        NopeOperation.prototype.next = function () {
+            this.done = true;
+            this.keep = false;
+        };
+        return NopeOperation;
+    }(BaseOperation));
+    var numericalOperationCreator = function (createNumericalOperation) { return function (params, owneryQuery, options, name) {
+        if (params == null) {
+            return new NopeOperation(params, owneryQuery, options, name);
+        }
+        return createNumericalOperation(params, owneryQuery, options, name);
+    }; };
+    var numericalOperation = function (createTester) {
+        return numericalOperationCreator(function (params, owneryQuery, options, name) {
+            var typeofParams = typeof comparable(params);
+            var test = createTester(params);
+            return new EqualsOperation(function (b) {
+                return typeof comparable(b) === typeofParams && test(b);
+            }, owneryQuery, options, name);
+        });
+    };
+    var createNamedOperation = function (name, params, parentQuery, options) {
+        var operationCreator = options.operations[name];
+        if (!operationCreator) {
+            throwUnsupportedOperation(name);
+        }
+        return operationCreator(params, parentQuery, options, name);
+    };
+    var throwUnsupportedOperation = function (name) {
+        throw new Error("Unsupported operation: " + name);
+    };
+    var containsOperation = function (query, options) {
+        for (var key in query) {
+            if (options.operations.hasOwnProperty(key) || key.charAt(0) === "$")
+                return true;
+        }
+        return false;
+    };
+    var createNestedOperation = function (keyPath, nestedQuery, parentKey, owneryQuery, options) {
+        if (containsOperation(nestedQuery, options)) {
+            var _a = createQueryOperations(nestedQuery, parentKey, options), selfOperations = _a[0], nestedOperations = _a[1];
+            if (nestedOperations.length) {
+                throw new Error("Property queries must contain only operations, or exact objects.");
+            }
+            return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, selfOperations);
+        }
+        return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, [
+            new EqualsOperation(nestedQuery, owneryQuery, options)
+        ]);
+    };
+    var createQueryOperation = function (query, owneryQuery, _a) {
+        if (owneryQuery === void 0) { owneryQuery = null; }
+        var _b = _a === void 0 ? {} : _a, compare = _b.compare, operations = _b.operations;
+        var options = {
+            compare: compare || equals,
+            operations: Object.assign({}, operations || {})
+        };
+        var _c = createQueryOperations(query, null, options), selfOperations = _c[0], nestedOperations = _c[1];
+        var ops = [];
+        if (selfOperations.length) {
+            ops.push(new NestedOperation([], query, owneryQuery, options, selfOperations));
+        }
+        ops.push.apply(ops, nestedOperations);
+        if (ops.length === 1) {
+            return ops[0];
+        }
+        return new QueryOperation(query, owneryQuery, options, ops);
+    };
+    var createQueryOperations = function (query, parentKey, options) {
+        var selfOperations = [];
+        var nestedOperations = [];
+        if (!isVanillaObject(query)) {
+            selfOperations.push(new EqualsOperation(query, query, options));
+            return [selfOperations, nestedOperations];
+        }
+        for (var key in query) {
+            if (options.operations.hasOwnProperty(key)) {
+                var op = createNamedOperation(key, query[key], query, options);
+                if (op) {
+                    if (!op.propop && parentKey && !options.operations[parentKey]) {
+                        throw new Error("Malformed query. " + key + " cannot be matched against property.");
+                    }
+                }
+                // probably just a flag for another operation (like $options)
+                if (op != null) {
+                    selfOperations.push(op);
+                }
+            }
+            else if (key.charAt(0) === "$") {
+                throwUnsupportedOperation(key);
+            }
+            else {
+                nestedOperations.push(createNestedOperation(key.split("."), query[key], key, query, options));
+            }
+        }
+        return [selfOperations, nestedOperations];
+    };
+    var createOperationTester = function (operation) { return function (item, key, owner) {
+        operation.reset();
+        operation.next(item, key, owner);
+        return operation.keep;
+    }; };
+    var createQueryTester = function (query, options) {
+        if (options === void 0) { options = {}; }
+        return createOperationTester(createQueryOperation(query, null, options));
+    };
+
+    var $Ne = /** @class */ (function (_super) {
+        __extends($Ne, _super);
+        function $Ne() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $Ne.prototype.init = function () {
+            this._test = createTester(this.params, this.options.compare);
+        };
+        $Ne.prototype.reset = function () {
+            _super.prototype.reset.call(this);
+            this.keep = true;
+        };
+        $Ne.prototype.next = function (item) {
+            if (this._test(item)) {
+                this.done = true;
+                this.keep = false;
+            }
+        };
+        return $Ne;
+    }(BaseOperation));
+    // https://docs.mongodb.com/manual/reference/operator/query/elemMatch/
+    var $ElemMatch = /** @class */ (function (_super) {
+        __extends($ElemMatch, _super);
+        function $ElemMatch() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $ElemMatch.prototype.init = function () {
+            if (!this.params || typeof this.params !== "object") {
+                throw new Error("Malformed query. $elemMatch must by an object.");
+            }
+            this._queryOperation = createQueryOperation(this.params, this.owneryQuery, this.options);
+        };
+        $ElemMatch.prototype.reset = function () {
+            _super.prototype.reset.call(this);
+            this._queryOperation.reset();
+        };
+        $ElemMatch.prototype.next = function (item) {
+            if (isArray(item)) {
+                for (var i = 0, length_1 = item.length; i < length_1; i++) {
+                    // reset query operation since item being tested needs to pass _all_ query
+                    // operations for it to be a success
+                    this._queryOperation.reset();
+                    var child = item[i];
+                    this._queryOperation.next(child, i, item, false);
+                    this.keep = this.keep || this._queryOperation.keep;
+                }
+                this.done = true;
+            }
+            else {
+                this.done = false;
+                this.keep = false;
+            }
+        };
+        return $ElemMatch;
+    }(BaseOperation));
+    var $Not = /** @class */ (function (_super) {
+        __extends($Not, _super);
+        function $Not() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $Not.prototype.init = function () {
+            this._queryOperation = createQueryOperation(this.params, this.owneryQuery, this.options);
+        };
+        $Not.prototype.reset = function () {
+            _super.prototype.reset.call(this);
+            this._queryOperation.reset();
+        };
+        $Not.prototype.next = function (item, key, owner, root) {
+            this._queryOperation.next(item, key, owner, root);
+            this.done = this._queryOperation.done;
+            this.keep = !this._queryOperation.keep;
+        };
+        return $Not;
+    }(BaseOperation));
+    var $Size = /** @class */ (function (_super) {
+        __extends($Size, _super);
+        function $Size() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $Size.prototype.init = function () { };
+        $Size.prototype.next = function (item) {
+            if (isArray(item) && item.length === this.params) {
+                this.done = true;
+                this.keep = true;
+            }
+            // if (parent && parent.length === this.params) {
+            //   this.done = true;
+            //   this.keep = true;
+            // }
+        };
+        return $Size;
+    }(BaseOperation));
+    var assertGroupNotEmpty = function (values) {
+        if (values.length === 0) {
+            throw new Error("$and/$or/$nor must be a nonempty array");
+        }
+    };
+    var $Or = /** @class */ (function (_super) {
+        __extends($Or, _super);
+        function $Or() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = false;
+            return _this;
+        }
+        $Or.prototype.init = function () {
+            var _this = this;
+            assertGroupNotEmpty(this.params);
+            this._ops = this.params.map(function (op) {
+                return createQueryOperation(op, null, _this.options);
+            });
+        };
+        $Or.prototype.reset = function () {
+            this.done = false;
+            this.keep = false;
+            for (var i = 0, length_2 = this._ops.length; i < length_2; i++) {
+                this._ops[i].reset();
+            }
+        };
+        $Or.prototype.next = function (item, key, owner) {
+            var done = false;
+            var success = false;
+            for (var i = 0, length_3 = this._ops.length; i < length_3; i++) {
+                var op = this._ops[i];
+                op.next(item, key, owner);
+                if (op.keep) {
+                    done = true;
+                    success = op.keep;
+                    break;
+                }
+            }
+            this.keep = success;
+            this.done = done;
+        };
+        return $Or;
+    }(BaseOperation));
+    var $Nor = /** @class */ (function (_super) {
+        __extends($Nor, _super);
+        function $Nor() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = false;
+            return _this;
+        }
+        $Nor.prototype.next = function (item, key, owner) {
+            _super.prototype.next.call(this, item, key, owner);
+            this.keep = !this.keep;
+        };
+        return $Nor;
+    }($Or));
+    var $In = /** @class */ (function (_super) {
+        __extends($In, _super);
+        function $In() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $In.prototype.init = function () {
+            var _this = this;
+            this._testers = this.params.map(function (value) {
+                if (containsOperation(value, _this.options)) {
+                    throw new Error("cannot nest $ under " + _this.name.toLowerCase());
+                }
+                return createTester(value, _this.options.compare);
+            });
+        };
+        $In.prototype.next = function (item, key, owner) {
+            var done = false;
+            var success = false;
+            for (var i = 0, length_4 = this._testers.length; i < length_4; i++) {
+                var test = this._testers[i];
+                if (test(item)) {
+                    done = true;
+                    success = true;
+                    break;
+                }
+            }
+            this.keep = success;
+            this.done = done;
+        };
+        return $In;
+    }(BaseOperation));
+    var $Nin = /** @class */ (function (_super) {
+        __extends($Nin, _super);
+        function $Nin(params, ownerQuery, options, name) {
+            var _this = _super.call(this, params, ownerQuery, options, name) || this;
+            _this.propop = true;
+            _this._in = new $In(params, ownerQuery, options, name);
+            return _this;
+        }
+        $Nin.prototype.next = function (item, key, owner, root) {
+            this._in.next(item, key, owner);
+            if (isArray(owner) && !root) {
+                if (this._in.keep) {
+                    this.keep = false;
+                    this.done = true;
+                }
+                else if (key == owner.length - 1) {
+                    this.keep = true;
+                    this.done = true;
+                }
+            }
+            else {
+                this.keep = !this._in.keep;
+                this.done = true;
+            }
+        };
+        $Nin.prototype.reset = function () {
+            _super.prototype.reset.call(this);
+            this._in.reset();
+        };
+        return $Nin;
+    }(BaseOperation));
+    var $Exists = /** @class */ (function (_super) {
+        __extends($Exists, _super);
+        function $Exists() {
+            var _this = _super !== null && _super.apply(this, arguments) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $Exists.prototype.next = function (item, key, owner) {
+            if (owner.hasOwnProperty(key) === this.params) {
+                this.done = true;
+                this.keep = true;
+            }
+        };
+        return $Exists;
+    }(BaseOperation));
+    var $And = /** @class */ (function (_super) {
+        __extends($And, _super);
+        function $And(params, owneryQuery, options, name) {
+            var _this = _super.call(this, params, owneryQuery, options, params.map(function (query) { return createQueryOperation(query, owneryQuery, options); }), name) || this;
+            _this.propop = false;
+            assertGroupNotEmpty(params);
+            return _this;
+        }
+        $And.prototype.next = function (item, key, owner, root) {
+            this.childrenNext(item, key, owner, root);
+        };
+        return $And;
+    }(NamedGroupOperation));
+    var $All = /** @class */ (function (_super) {
+        __extends($All, _super);
+        function $All(params, owneryQuery, options, name) {
+            var _this = _super.call(this, params, owneryQuery, options, params.map(function (query) { return createQueryOperation(query, owneryQuery, options); }), name) || this;
+            _this.propop = true;
+            return _this;
+        }
+        $All.prototype.next = function (item, key, owner, root) {
+            this.childrenNext(item, key, owner, root);
+        };
+        return $All;
+    }(NamedGroupOperation));
+    var $eq = function (params, owneryQuery, options) {
+        return new EqualsOperation(params, owneryQuery, options);
+    };
+    var $ne = function (params, owneryQuery, options, name) { return new $Ne(params, owneryQuery, options, name); };
+    var $or = function (params, owneryQuery, options, name) { return new $Or(params, owneryQuery, options, name); };
+    var $nor = function (params, owneryQuery, options, name) { return new $Nor(params, owneryQuery, options, name); };
+    var $elemMatch = function (params, owneryQuery, options, name) { return new $ElemMatch(params, owneryQuery, options, name); };
+    var $nin = function (params, owneryQuery, options, name) { return new $Nin(params, owneryQuery, options, name); };
+    var $in = function (params, owneryQuery, options, name) {
+        return new $In(params, owneryQuery, options, name);
+    };
+    var $lt = numericalOperation(function (params) { return function (b) { return b < params; }; });
+    var $lte = numericalOperation(function (params) { return function (b) { return b <= params; }; });
+    var $gt = numericalOperation(function (params) { return function (b) { return b > params; }; });
+    var $gte = numericalOperation(function (params) { return function (b) { return b >= params; }; });
+    var $mod = function (_a, owneryQuery, options) {
+        var mod = _a[0], equalsValue = _a[1];
+        return new EqualsOperation(function (b) { return comparable(b) % mod === equalsValue; }, owneryQuery, options);
+    };
+    var $exists = function (params, owneryQuery, options, name) { return new $Exists(params, owneryQuery, options, name); };
+    var $regex = function (pattern, owneryQuery, options) {
+        return new EqualsOperation(new RegExp(pattern, owneryQuery.$options), owneryQuery, options);
+    };
+    var $not = function (params, owneryQuery, options, name) { return new $Not(params, owneryQuery, options, name); };
+    var typeAliases = {
+        number: function (v) { return typeof v === "number"; },
+        string: function (v) { return typeof v === "string"; },
+        bool: function (v) { return typeof v === "boolean"; },
+        array: function (v) { return Array.isArray(v); },
+        null: function (v) { return v === null; },
+        timestamp: function (v) { return v instanceof Date; }
+    };
+    var $type = function (clazz, owneryQuery, options) {
+        return new EqualsOperation(function (b) {
+            if (typeof clazz === "string") {
+                if (!typeAliases[clazz]) {
+                    throw new Error("Type alias does not exist");
+                }
+                return typeAliases[clazz](b);
+            }
+            return b != null ? b instanceof clazz || b.constructor === clazz : false;
+        }, owneryQuery, options);
+    };
+    var $and = function (params, ownerQuery, options, name) { return new $And(params, ownerQuery, options, name); };
+    var $all = function (params, ownerQuery, options, name) { return new $All(params, ownerQuery, options, name); };
+    var $size = function (params, ownerQuery, options) { return new $Size(params, ownerQuery, options, "$size"); };
+    var $options = function () { return null; };
+    var $where = function (params, ownerQuery, options) {
+        var test;
+        if (isFunction(params)) {
+            test = params;
+        }
+        else {
+            throw new Error("In CSP mode, sift does not support strings in \"$where\" condition");
+        }
+        return new EqualsOperation(function (b) { return test.bind(b)(b); }, ownerQuery, options);
+    };
+
+    var defaultOperations = /*#__PURE__*/Object.freeze({
+        __proto__: null,
+        $Size: $Size,
+        $eq: $eq,
+        $ne: $ne,
+        $or: $or,
+        $nor: $nor,
+        $elemMatch: $elemMatch,
+        $nin: $nin,
+        $in: $in,
+        $lt: $lt,
+        $lte: $lte,
+        $gt: $gt,
+        $gte: $gte,
+        $mod: $mod,
+        $exists: $exists,
+        $regex: $regex,
+        $not: $not,
+        $type: $type,
+        $and: $and,
+        $all: $all,
+        $size: $size,
+        $options: $options,
+        $where: $where
+    });
+
+    var createDefaultQueryOperation = function (query, ownerQuery, _a) {
+        var _b = _a === void 0 ? {} : _a, compare = _b.compare, operations = _b.operations;
+        return createQueryOperation(query, ownerQuery, {
+            compare: compare,
+            operations: Object.assign({}, defaultOperations, operations || {})
+        });
+    };
+    var createDefaultQueryTester = function (query, options) {
+        if (options === void 0) { options = {}; }
+        var op = createDefaultQueryOperation(query, null, options);
+        return createOperationTester(op);
+    };
+
+    exports.$Size = $Size;
+    exports.$all = $all;
+    exports.$and = $and;
+    exports.$elemMatch = $elemMatch;
+    exports.$eq = $eq;
+    exports.$exists = $exists;
+    exports.$gt = $gt;
+    exports.$gte = $gte;
+    exports.$in = $in;
+    exports.$lt = $lt;
+    exports.$lte = $lte;
+    exports.$mod = $mod;
+    exports.$ne = $ne;
+    exports.$nin = $nin;
+    exports.$nor = $nor;
+    exports.$not = $not;
+    exports.$options = $options;
+    exports.$or = $or;
+    exports.$regex = $regex;
+    exports.$size = $size;
+    exports.$type = $type;
+    exports.$where = $where;
+    exports.EqualsOperation = EqualsOperation;
+    exports.createDefaultQueryOperation = createDefaultQueryOperation;
+    exports.createEqualsOperation = createEqualsOperation;
+    exports.createOperationTester = createOperationTester;
+    exports.createQueryOperation = createQueryOperation;
+    exports.createQueryTester = createQueryTester;
+    exports.default = createDefaultQueryTester;
+
+    Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
+//# sourceMappingURL=sift.csp.min.js.map
diff --git a/node_modules/sift/sift.csp.min.js.map b/node_modules/sift/sift.csp.min.js.map
new file mode 100644
index 000000000..38c22323b
--- /dev/null
+++ b/node_modules/sift/sift.csp.min.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"sift.csp.min.js","sources":["node_modules/tslib/tslib.es6.js","src/utils.ts","src/core.ts","src/operations.ts","src/index.ts"],"sourcesContent":["/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n    extendStatics = Object.setPrototypeOf ||\r\n        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n        function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n    return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n    if (typeof b !== \"function\" && b !== null)\r\n        throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n    extendStatics(d, b);\r\n    function __() { this.constructor = d; }\r\n    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n    __assign = Object.assign || function __assign(t) {\r\n        for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n            s = arguments[i];\r\n            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n        }\r\n        return t;\r\n    }\r\n    return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n    var t = {};\r\n    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n        t[p] = s[p];\r\n    if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n                t[p[i]] = s[p[i]];\r\n        }\r\n    return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n    if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n    return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n    return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n    if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n    return new (P || (P = Promise))(function (resolve, reject) {\r\n        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n        function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n        step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n    });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n    return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n    function verb(n) { return function (v) { return step([n, v]); }; }\r\n    function step(op) {\r\n        if (f) throw new TypeError(\"Generator is already executing.\");\r\n        while (_) try {\r\n            if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n            if (y = 0, t) op = [op[0] & 2, t.value];\r\n            switch (op[0]) {\r\n                case 0: case 1: t = op; break;\r\n                case 4: _.label++; return { value: op[1], done: false };\r\n                case 5: _.label++; y = op[1]; op = [0]; continue;\r\n                case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n                default:\r\n                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n                    if (t[2]) _.ops.pop();\r\n                    _.trys.pop(); continue;\r\n            }\r\n            op = body.call(thisArg, _);\r\n        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n    }\r\n}\r\n\r\nexport var __createBinding = Object.create ? (function(o, m, k, k2) {\r\n    if (k2 === undefined) k2 = k;\r\n    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\r\n}) : (function(o, m, k, k2) {\r\n    if (k2 === undefined) k2 = k;\r\n    o[k2] = m[k];\r\n});\r\n\r\nexport function __exportStar(m, o) {\r\n    for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\r\n}\r\n\r\nexport function __values(o) {\r\n    var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n    if (m) return m.call(o);\r\n    if (o && typeof o.length === \"number\") return {\r\n        next: function () {\r\n            if (o && i >= o.length) o = void 0;\r\n            return { value: o && o[i++], done: !o };\r\n        }\r\n    };\r\n    throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n    var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n    if (!m) return o;\r\n    var i = m.call(o), r, ar = [], e;\r\n    try {\r\n        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n    }\r\n    catch (error) { e = { error: error }; }\r\n    finally {\r\n        try {\r\n            if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n        }\r\n        finally { if (e) throw e.error; }\r\n    }\r\n    return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spread() {\r\n    for (var ar = [], i = 0; i < arguments.length; i++)\r\n        ar = ar.concat(__read(arguments[i]));\r\n    return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spreadArrays() {\r\n    for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n    for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n        for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n            r[k] = a[j];\r\n    return r;\r\n}\r\n\r\nexport function __spreadArray(to, from) {\r\n    for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)\r\n        to[j] = from[i];\r\n    return to;\r\n}\r\n\r\nexport function __await(v) {\r\n    return this instanceof __await ? 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diff --git a/node_modules/sift/sift.min.js b/node_modules/sift/sift.min.js
new file mode 100644
index 000000000..5bfaa7042
--- /dev/null
+++ b/node_modules/sift/sift.min.js
@@ -0,0 +1,16 @@
+!function(n,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((n=n||self).sift={})}(this,(function(n){"use strict";
+/*! *****************************************************************************
+    Copyright (c) Microsoft Corporation.
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose with or without fee is hereby granted.
+
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+    PERFORMANCE OF THIS SOFTWARE.
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\ No newline at end of file
diff --git a/node_modules/sift/src/core.d.ts b/node_modules/sift/src/core.d.ts
new file mode 100644
index 000000000..330c04b3a
--- /dev/null
+++ b/node_modules/sift/src/core.d.ts
@@ -0,0 +1,123 @@
+import { Key, Comparator } from "./utils";
+export interface Operation<TItem> {
+    readonly keep: boolean;
+    readonly done: boolean;
+    propop: boolean;
+    reset(): any;
+    next(item: TItem, key?: Key, owner?: any): any;
+}
+export declare type Tester = (item: any, key?: Key, owner?: any) => boolean;
+export interface NamedOperation {
+    name: string;
+}
+export declare type OperationCreator<TItem> = (params: any, parentQuery: any, options: Options, name: string) => Operation<TItem>;
+declare type BasicValueQuery<TValue> = {
+    $eq?: TValue;
+    $ne?: TValue;
+    $lt?: TValue;
+    $gt?: TValue;
+    $lte?: TValue;
+    $gte?: TValue;
+    $in?: TValue[];
+    $nin?: TValue[];
+    $all?: TValue[];
+    $mod?: [number, number];
+    $exists?: boolean;
+    $regex?: string | RegExp;
+    $size?: number;
+    $where?: ((this: TValue, obj: TValue) => boolean) | string;
+    $options?: "i" | "g" | "m" | "u";
+    $type?: Function;
+    $not?: NestedQuery<TValue>;
+    $or?: NestedQuery<TValue>[];
+    $nor?: NestedQuery<TValue>[];
+    $and?: NestedQuery<TValue>[];
+};
+declare type ArrayValueQuery<TValue> = {
+    $elemMatch?: Query<TValue>;
+} & BasicValueQuery<TValue>;
+declare type Unpacked<T> = T extends (infer U)[] ? U : T;
+declare type ValueQuery<TValue> = TValue extends Array<any> ? ArrayValueQuery<Unpacked<TValue>> : BasicValueQuery<TValue>;
+declare type NotObject = string | number | Date | boolean | Array<any>;
+declare type ShapeQuery<TItemSchema> = TItemSchema extends NotObject ? {} : {
+    [k in keyof TItemSchema]?: TItemSchema[k] | ValueQuery<TItemSchema[k]>;
+};
+declare type NestedQuery<TItemSchema> = ValueQuery<TItemSchema> & ShapeQuery<TItemSchema>;
+export declare type Query<TItemSchema> = TItemSchema | RegExp | NestedQuery<TItemSchema>;
+declare abstract class BaseOperation<TParams, TItem = any> implements Operation<TItem> {
+    readonly params: TParams;
+    readonly owneryQuery: any;
+    readonly options: Options;
+    keep: boolean;
+    done: boolean;
+    abstract propop: boolean;
+    constructor(params: TParams, owneryQuery: any, options: Options);
+    protected init(): void;
+    reset(): void;
+    abstract next(item: any, key: Key, parent: any): any;
+}
+export declare abstract class NamedBaseOperation<TParams, TItem = any> extends BaseOperation<TParams, TItem> implements NamedOperation {
+    readonly name: string;
+    abstract propop: boolean;
+    constructor(params: TParams, owneryQuery: any, options: Options, name: string);
+}
+declare abstract class GroupOperation extends BaseOperation<any> {
+    readonly children: Operation<any>[];
+    keep: boolean;
+    done: boolean;
+    constructor(params: any, owneryQuery: any, options: Options, children: Operation<any>[]);
+    /**
+     */
+    reset(): void;
+    abstract next(item: any, key: Key, owner: any): any;
+    /**
+     */
+    protected childrenNext(item: any, key: Key, owner: any): void;
+}
+export declare abstract class NamedGroupOperation extends GroupOperation implements NamedOperation {
+    readonly name: string;
+    abstract propop: boolean;
+    constructor(params: any, owneryQuery: any, options: Options, children: Operation<any>[], name: string);
+}
+export declare class QueryOperation<TItem> extends GroupOperation {
+    readonly propop = true;
+    /**
+     */
+    next(item: TItem, key: Key, parent: any): void;
+}
+export declare class NestedOperation extends GroupOperation {
+    readonly keyPath: Key[];
+    readonly propop = true;
+    constructor(keyPath: Key[], params: any, owneryQuery: any, options: Options, children: Operation<any>[]);
+    /**
+     */
+    next(item: any, key: Key, parent: any): void;
+    /**
+     */
+    private _nextNestedValue;
+}
+export declare const createTester: (a: any, compare: Comparator) => any;
+export declare class EqualsOperation<TParam> extends BaseOperation<TParam> {
+    readonly propop = true;
+    private _test;
+    init(): void;
+    next(item: any, key: Key, parent: any): void;
+}
+export declare const createEqualsOperation: (params: any, owneryQuery: any, options: Options) => EqualsOperation<any>;
+export declare class NopeOperation<TParam> extends BaseOperation<TParam> {
+    readonly propop = true;
+    next(): void;
+}
+export declare const numericalOperationCreator: (createNumericalOperation: OperationCreator<any>) => (params: any, owneryQuery: any, options: Options, name: string) => Operation<any>;
+export declare const numericalOperation: (createTester: (any: any) => Tester) => (params: any, owneryQuery: any, options: Options, name: string) => Operation<any>;
+export declare type Options = {
+    operations: {
+        [identifier: string]: OperationCreator<any>;
+    };
+    compare: (a: any, b: any) => boolean;
+};
+export declare const containsOperation: (query: any, options: Options) => boolean;
+export declare const createQueryOperation: <TItem, TSchema = TItem>(query: Query<TSchema>, owneryQuery?: any, { compare, operations }?: Partial<Options>) => QueryOperation<TItem>;
+export declare const createOperationTester: <TItem>(operation: Operation<TItem>) => (item: TItem, key?: Key, owner?: any) => boolean;
+export declare const createQueryTester: <TItem, TSchema = TItem>(query: Query<TSchema>, options?: Partial<Options>) => (item: TItem, key?: Key, owner?: any) => boolean;
+export {};
diff --git a/node_modules/sift/src/core.js b/node_modules/sift/src/core.js
new file mode 100644
index 000000000..5a0a28f31
--- /dev/null
+++ b/node_modules/sift/src/core.js
@@ -0,0 +1,270 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createQueryTester = exports.createOperationTester = exports.createQueryOperation = exports.containsOperation = exports.numericalOperation = exports.numericalOperationCreator = exports.NopeOperation = exports.createEqualsOperation = exports.EqualsOperation = exports.createTester = exports.NestedOperation = exports.QueryOperation = exports.NamedGroupOperation = exports.NamedBaseOperation = void 0;
+const utils_1 = require("./utils");
+/**
+ * Walks through each value given the context - used for nested operations. E.g:
+ * { "person.address": { $eq: "blarg" }}
+ */
+const walkKeyPathValues = (item, keyPath, next, depth, key, owner) => {
+    const currentKey = keyPath[depth];
+    // if array, then try matching. Might fall through for cases like:
+    // { $eq: [1, 2, 3] }, [ 1, 2, 3 ].
+    if (utils_1.isArray(item) && isNaN(Number(currentKey))) {
+        for (let i = 0, { length } = item; i < length; i++) {
+            // if FALSE is returned, then terminate walker. For operations, this simply
+            // means that the search critera was met.
+            if (!walkKeyPathValues(item[i], keyPath, next, depth, i, item)) {
+                return false;
+            }
+        }
+    }
+    if (depth === keyPath.length || item == null) {
+        return next(item, key, owner);
+    }
+    return walkKeyPathValues(item[currentKey], keyPath, next, depth + 1, currentKey, item);
+};
+class BaseOperation {
+    constructor(params, owneryQuery, options) {
+        this.params = params;
+        this.owneryQuery = owneryQuery;
+        this.options = options;
+        this.init();
+    }
+    init() { }
+    reset() {
+        this.done = false;
+        this.keep = false;
+    }
+}
+class NamedBaseOperation extends BaseOperation {
+    constructor(params, owneryQuery, options, name) {
+        super(params, owneryQuery, options);
+        this.name = name;
+    }
+}
+exports.NamedBaseOperation = NamedBaseOperation;
+class GroupOperation extends BaseOperation {
+    constructor(params, owneryQuery, options, children) {
+        super(params, owneryQuery, options);
+        this.children = children;
+    }
+    /**
+     */
+    reset() {
+        this.keep = false;
+        this.done = false;
+        for (let i = 0, { length } = this.children; i < length; i++) {
+            this.children[i].reset();
+        }
+    }
+    /**
+     */
+    childrenNext(item, key, owner) {
+        let done = true;
+        let keep = true;
+        for (let i = 0, { length } = this.children; i < length; i++) {
+            const childOperation = this.children[i];
+            childOperation.next(item, key, owner);
+            if (!childOperation.keep) {
+                keep = false;
+            }
+            if (childOperation.done) {
+                if (!childOperation.keep) {
+                    break;
+                }
+            }
+            else {
+                done = false;
+            }
+        }
+        this.done = done;
+        this.keep = keep;
+    }
+}
+class NamedGroupOperation extends GroupOperation {
+    constructor(params, owneryQuery, options, children, name) {
+        super(params, owneryQuery, options, children);
+        this.name = name;
+    }
+}
+exports.NamedGroupOperation = NamedGroupOperation;
+class QueryOperation extends GroupOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    /**
+     */
+    next(item, key, parent) {
+        this.childrenNext(item, key, parent);
+    }
+}
+exports.QueryOperation = QueryOperation;
+class NestedOperation extends GroupOperation {
+    constructor(keyPath, params, owneryQuery, options, children) {
+        super(params, owneryQuery, options, children);
+        this.keyPath = keyPath;
+        this.propop = true;
+        /**
+         */
+        this._nextNestedValue = (value, key, owner) => {
+            this.childrenNext(value, key, owner);
+            return !this.done;
+        };
+    }
+    /**
+     */
+    next(item, key, parent) {
+        walkKeyPathValues(item, this.keyPath, this._nextNestedValue, 0, key, parent);
+    }
+}
+exports.NestedOperation = NestedOperation;
+const createTester = (a, compare) => {
+    if (a instanceof Function) {
+        return a;
+    }
+    if (a instanceof RegExp) {
+        return b => {
+            const result = typeof b === "string" && a.test(b);
+            a.lastIndex = 0;
+            return result;
+        };
+    }
+    const comparableA = utils_1.comparable(a);
+    return b => compare(comparableA, utils_1.comparable(b));
+};
+exports.createTester = createTester;
+class EqualsOperation extends BaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    init() {
+        this._test = exports.createTester(this.params, this.options.compare);
+    }
+    next(item, key, parent) {
+        if (!Array.isArray(parent) || parent.hasOwnProperty(key)) {
+            if (this._test(item, key, parent)) {
+                this.done = true;
+                this.keep = true;
+            }
+        }
+    }
+}
+exports.EqualsOperation = EqualsOperation;
+const createEqualsOperation = (params, owneryQuery, options) => new EqualsOperation(params, owneryQuery, options);
+exports.createEqualsOperation = createEqualsOperation;
+class NopeOperation extends BaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    next() {
+        this.done = true;
+        this.keep = false;
+    }
+}
+exports.NopeOperation = NopeOperation;
+const numericalOperationCreator = (createNumericalOperation) => (params, owneryQuery, options, name) => {
+    if (params == null) {
+        return new NopeOperation(params, owneryQuery, options);
+    }
+    return createNumericalOperation(params, owneryQuery, options, name);
+};
+exports.numericalOperationCreator = numericalOperationCreator;
+const numericalOperation = (createTester) => exports.numericalOperationCreator((params, owneryQuery, options) => {
+    const typeofParams = typeof utils_1.comparable(params);
+    const test = createTester(params);
+    return new EqualsOperation(b => {
+        return typeof utils_1.comparable(b) === typeofParams && test(b);
+    }, owneryQuery, options);
+});
+exports.numericalOperation = numericalOperation;
+const createNamedOperation = (name, params, parentQuery, options) => {
+    const operationCreator = options.operations[name];
+    if (!operationCreator) {
+        throwUnsupportedOperation(name);
+    }
+    return operationCreator(params, parentQuery, options, name);
+};
+const throwUnsupportedOperation = (name) => {
+    throw new Error(`Unsupported operation: ${name}`);
+};
+const containsOperation = (query, options) => {
+    for (const key in query) {
+        if (options.operations.hasOwnProperty(key) || key.charAt(0) === "$")
+            return true;
+    }
+    return false;
+};
+exports.containsOperation = containsOperation;
+const createNestedOperation = (keyPath, nestedQuery, parentKey, owneryQuery, options) => {
+    if (exports.containsOperation(nestedQuery, options)) {
+        const [selfOperations, nestedOperations] = createQueryOperations(nestedQuery, parentKey, options);
+        if (nestedOperations.length) {
+            throw new Error(`Property queries must contain only operations, or exact objects.`);
+        }
+        return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, selfOperations);
+    }
+    return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, [
+        new EqualsOperation(nestedQuery, owneryQuery, options)
+    ]);
+};
+const createQueryOperation = (query, owneryQuery = null, { compare, operations } = {}) => {
+    const options = {
+        compare: compare || utils_1.equals,
+        operations: Object.assign({}, operations || {})
+    };
+    const [selfOperations, nestedOperations] = createQueryOperations(query, null, options);
+    const ops = [];
+    if (selfOperations.length) {
+        ops.push(new NestedOperation([], query, owneryQuery, options, selfOperations));
+    }
+    ops.push(...nestedOperations);
+    if (ops.length === 1) {
+        return ops[0];
+    }
+    return new QueryOperation(query, owneryQuery, options, ops);
+};
+exports.createQueryOperation = createQueryOperation;
+const createQueryOperations = (query, parentKey, options) => {
+    const selfOperations = [];
+    const nestedOperations = [];
+    if (!utils_1.isVanillaObject(query)) {
+        selfOperations.push(new EqualsOperation(query, query, options));
+        return [selfOperations, nestedOperations];
+    }
+    for (const key in query) {
+        if (options.operations.hasOwnProperty(key)) {
+            const op = createNamedOperation(key, query[key], query, options);
+            if (op) {
+                if (!op.propop && parentKey && !options.operations[parentKey]) {
+                    throw new Error(`Malformed query. ${key} cannot be matched against property.`);
+                }
+            }
+            // probably just a flag for another operation (like $options)
+            if (op != null) {
+                selfOperations.push(op);
+            }
+        }
+        else if (key.charAt(0) === "$") {
+            throwUnsupportedOperation(key);
+        }
+        else {
+            nestedOperations.push(createNestedOperation(key.split("."), query[key], key, query, options));
+        }
+    }
+    return [selfOperations, nestedOperations];
+};
+const createOperationTester = (operation) => (item, key, owner) => {
+    operation.reset();
+    operation.next(item, key, owner);
+    return operation.keep;
+};
+exports.createOperationTester = createOperationTester;
+const createQueryTester = (query, options = {}) => {
+    return exports.createOperationTester(exports.createQueryOperation(query, null, options));
+};
+exports.createQueryTester = createQueryTester;
+//# sourceMappingURL=core.js.map
\ No newline at end of file
diff --git a/node_modules/sift/src/core.js.map b/node_modules/sift/src/core.js.map
new file mode 100644
index 000000000..42d5429a5
--- /dev/null
+++ b/node_modules/sift/src/core.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/sift/src/core.ts b/node_modules/sift/src/core.ts
new file mode 100644
index 000000000..25c61f2eb
--- /dev/null
+++ b/node_modules/sift/src/core.ts
@@ -0,0 +1,479 @@
+import {
+  isArray,
+  Key,
+  Comparator,
+  isVanillaObject,
+  comparable,
+  equals
+} from "./utils";
+
+export interface Operation<TItem> {
+  readonly keep: boolean;
+  readonly done: boolean;
+  propop: boolean;
+  reset();
+  next(item: TItem, key?: Key, owner?: any, root?: boolean);
+}
+
+export type Tester = (
+  item: any,
+  key?: Key,
+  owner?: any,
+  root?: boolean
+) => boolean;
+
+export interface NamedOperation {
+  name: string;
+}
+
+export type OperationCreator<TItem> = (
+  params: any,
+  parentQuery: any,
+  options: Options,
+  name: string
+) => Operation<TItem>;
+
+type BasicValueQuery<TValue> = {
+  $eq?: TValue;
+  $ne?: TValue;
+  $lt?: TValue;
+  $gt?: TValue;
+  $lte?: TValue;
+  $gte?: TValue;
+  $in?: TValue[];
+  $nin?: TValue[];
+  $all?: TValue[];
+  $mod?: [number, number];
+  $exists?: boolean;
+  $regex?: string | RegExp;
+  $size?: number;
+  $where?: ((this: TValue, obj: TValue) => boolean) | string;
+  $options?: "i" | "g" | "m" | "u";
+  $type?: Function;
+  $not?: NestedQuery<TValue>;
+  $or?: NestedQuery<TValue>[];
+  $nor?: NestedQuery<TValue>[];
+  $and?: NestedQuery<TValue>[];
+};
+
+type ArrayValueQuery<TValue> = {
+  $elemMatch?: Query<TValue>;
+} & BasicValueQuery<TValue>;
+type Unpacked<T> = T extends (infer U)[] ? U : T;
+
+type ValueQuery<TValue> = TValue extends Array<any>
+  ? ArrayValueQuery<Unpacked<TValue>>
+  : BasicValueQuery<TValue>;
+
+type NotObject = string | number | Date | boolean | Array<any>;
+type ShapeQuery<TItemSchema> = TItemSchema extends NotObject
+  ? {}
+  : { [k in keyof TItemSchema]?: TItemSchema[k] | ValueQuery<TItemSchema[k]> };
+
+type NestedQuery<TItemSchema> = ValueQuery<TItemSchema> &
+  ShapeQuery<TItemSchema>;
+export type Query<TItemSchema> =
+  | TItemSchema
+  | RegExp
+  | NestedQuery<TItemSchema>;
+
+/**
+ * Walks through each value given the context - used for nested operations. E.g:
+ * { "person.address": { $eq: "blarg" }}
+ */
+
+const walkKeyPathValues = (
+  item: any,
+  keyPath: Key[],
+  next: Tester,
+  depth: number,
+  key: Key,
+  owner: any
+) => {
+  const currentKey = keyPath[depth];
+
+  // if array, then try matching. Might fall through for cases like:
+  // { $eq: [1, 2, 3] }, [ 1, 2, 3 ].
+  if (isArray(item) && isNaN(Number(currentKey))) {
+    for (let i = 0, { length } = item; i < length; i++) {
+      // if FALSE is returned, then terminate walker. For operations, this simply
+      // means that the search critera was met.
+      if (!walkKeyPathValues(item[i], keyPath, next, depth, i, item)) {
+        return false;
+      }
+    }
+  }
+
+  if (depth === keyPath.length || item == null) {
+    return next(item, key, owner, depth === 0);
+  }
+
+  return walkKeyPathValues(
+    item[currentKey],
+    keyPath,
+    next,
+    depth + 1,
+    currentKey,
+    item
+  );
+};
+
+export abstract class BaseOperation<TParams, TItem = any>
+  implements Operation<TItem> {
+  keep: boolean;
+  done: boolean;
+  abstract propop: boolean;
+  constructor(
+    readonly params: TParams,
+    readonly owneryQuery: any,
+    readonly options: Options,
+    readonly name?: string
+  ) {
+    this.init();
+  }
+  protected init() {}
+  reset() {
+    this.done = false;
+    this.keep = false;
+  }
+  abstract next(item: any, key: Key, parent: any, root: boolean);
+}
+
+abstract class GroupOperation extends BaseOperation<any> {
+  keep: boolean;
+  done: boolean;
+
+  constructor(
+    params: any,
+    owneryQuery: any,
+    options: Options,
+    public readonly children: Operation<any>[]
+  ) {
+    super(params, owneryQuery, options);
+  }
+
+  /**
+   */
+
+  reset() {
+    this.keep = false;
+    this.done = false;
+    for (let i = 0, { length } = this.children; i < length; i++) {
+      this.children[i].reset();
+    }
+  }
+
+  abstract next(item: any, key: Key, owner: any, root: boolean);
+
+  /**
+   */
+
+  protected childrenNext(item: any, key: Key, owner: any, root: boolean) {
+    let done = true;
+    let keep = true;
+    for (let i = 0, { length } = this.children; i < length; i++) {
+      const childOperation = this.children[i];
+      if (!childOperation.done) {
+        childOperation.next(item, key, owner, root);
+      }
+      if (!childOperation.keep) {
+        keep = false;
+      }
+      if (childOperation.done) {
+        if (!childOperation.keep) {
+          break;
+        }
+      } else {
+        done = false;
+      }
+    }
+    this.done = done;
+    this.keep = keep;
+  }
+}
+
+export abstract class NamedGroupOperation extends GroupOperation
+  implements NamedOperation {
+  abstract propop: boolean;
+  constructor(
+    params: any,
+    owneryQuery: any,
+    options: Options,
+    children: Operation<any>[],
+    readonly name: string
+  ) {
+    super(params, owneryQuery, options, children);
+  }
+}
+
+export class QueryOperation<TItem> extends GroupOperation {
+  readonly propop = true;
+  /**
+   */
+
+  next(item: TItem, key: Key, parent: any, root: boolean) {
+    this.childrenNext(item, key, parent, root);
+  }
+}
+
+export class NestedOperation extends GroupOperation {
+  readonly propop = true;
+  constructor(
+    readonly keyPath: Key[],
+    params: any,
+    owneryQuery: any,
+    options: Options,
+    children: Operation<any>[]
+  ) {
+    super(params, owneryQuery, options, children);
+  }
+  /**
+   */
+
+  next(item: any, key: Key, parent: any) {
+    walkKeyPathValues(
+      item,
+      this.keyPath,
+      this._nextNestedValue,
+      0,
+      key,
+      parent
+    );
+  }
+
+  /**
+   */
+
+  private _nextNestedValue = (
+    value: any,
+    key: Key,
+    owner: any,
+    root: boolean
+  ) => {
+    this.childrenNext(value, key, owner, root);
+    return !this.done;
+  };
+}
+
+export const createTester = (a, compare: Comparator) => {
+  if (a instanceof Function) {
+    return a;
+  }
+  if (a instanceof RegExp) {
+    return b => {
+      const result = typeof b === "string" && a.test(b);
+      a.lastIndex = 0;
+      return result;
+    };
+  }
+  const comparableA = comparable(a);
+  return b => compare(comparableA, comparable(b));
+};
+
+export class EqualsOperation<TParam> extends BaseOperation<TParam> {
+  readonly propop = true;
+  private _test: Tester;
+  init() {
+    this._test = createTester(this.params, this.options.compare);
+  }
+  next(item, key: Key, parent: any) {
+    if (!Array.isArray(parent) || parent.hasOwnProperty(key)) {
+      if (this._test(item, key, parent)) {
+        this.done = true;
+        this.keep = true;
+      }
+    }
+  }
+}
+
+export const createEqualsOperation = (
+  params: any,
+  owneryQuery: any,
+  options: Options
+) => new EqualsOperation(params, owneryQuery, options);
+
+export class NopeOperation<TParam> extends BaseOperation<TParam> {
+  readonly propop = true;
+  next() {
+    this.done = true;
+    this.keep = false;
+  }
+}
+
+export const numericalOperationCreator = (
+  createNumericalOperation: OperationCreator<any>
+) => (params: any, owneryQuery: any, options: Options, name: string) => {
+  if (params == null) {
+    return new NopeOperation(params, owneryQuery, options, name);
+  }
+
+  return createNumericalOperation(params, owneryQuery, options, name);
+};
+
+export const numericalOperation = (createTester: (any) => Tester) =>
+  numericalOperationCreator(
+    (params: any, owneryQuery: Query<any>, options: Options, name: string) => {
+      const typeofParams = typeof comparable(params);
+      const test = createTester(params);
+      return new EqualsOperation(
+        b => {
+          return typeof comparable(b) === typeofParams && test(b);
+        },
+        owneryQuery,
+        options,
+        name
+      );
+    }
+  );
+
+export type Options = {
+  operations: {
+    [identifier: string]: OperationCreator<any>;
+  };
+  compare: (a, b) => boolean;
+};
+
+const createNamedOperation = (
+  name: string,
+  params: any,
+  parentQuery: any,
+  options: Options
+) => {
+  const operationCreator = options.operations[name];
+  if (!operationCreator) {
+    throwUnsupportedOperation(name);
+  }
+  return operationCreator(params, parentQuery, options, name);
+};
+
+const throwUnsupportedOperation = (name: string) => {
+  throw new Error(`Unsupported operation: ${name}`);
+};
+
+export const containsOperation = (query: any, options: Options) => {
+  for (const key in query) {
+    if (options.operations.hasOwnProperty(key) || key.charAt(0) === "$")
+      return true;
+  }
+  return false;
+};
+const createNestedOperation = (
+  keyPath: Key[],
+  nestedQuery: any,
+  parentKey: string,
+  owneryQuery: any,
+  options: Options
+) => {
+  if (containsOperation(nestedQuery, options)) {
+    const [selfOperations, nestedOperations] = createQueryOperations(
+      nestedQuery,
+      parentKey,
+      options
+    );
+    if (nestedOperations.length) {
+      throw new Error(
+        `Property queries must contain only operations, or exact objects.`
+      );
+    }
+    return new NestedOperation(
+      keyPath,
+      nestedQuery,
+      owneryQuery,
+      options,
+      selfOperations
+    );
+  }
+  return new NestedOperation(keyPath, nestedQuery, owneryQuery, options, [
+    new EqualsOperation(nestedQuery, owneryQuery, options)
+  ]);
+};
+
+export const createQueryOperation = <TItem, TSchema = TItem>(
+  query: Query<TSchema>,
+  owneryQuery: any = null,
+  { compare, operations }: Partial<Options> = {}
+): QueryOperation<TItem> => {
+  const options = {
+    compare: compare || equals,
+    operations: Object.assign({}, operations || {})
+  };
+
+  const [selfOperations, nestedOperations] = createQueryOperations(
+    query,
+    null,
+    options
+  );
+
+  const ops = [];
+
+  if (selfOperations.length) {
+    ops.push(
+      new NestedOperation([], query, owneryQuery, options, selfOperations)
+    );
+  }
+
+  ops.push(...nestedOperations);
+
+  if (ops.length === 1) {
+    return ops[0];
+  }
+  return new QueryOperation(query, owneryQuery, options, ops);
+};
+
+const createQueryOperations = (
+  query: any,
+  parentKey: string,
+  options: Options
+) => {
+  const selfOperations = [];
+  const nestedOperations = [];
+  if (!isVanillaObject(query)) {
+    selfOperations.push(new EqualsOperation(query, query, options));
+    return [selfOperations, nestedOperations];
+  }
+  for (const key in query) {
+    if (options.operations.hasOwnProperty(key)) {
+      const op = createNamedOperation(key, query[key], query, options);
+
+      if (op) {
+        if (!op.propop && parentKey && !options.operations[parentKey]) {
+          throw new Error(
+            `Malformed query. ${key} cannot be matched against property.`
+          );
+        }
+      }
+
+      // probably just a flag for another operation (like $options)
+      if (op != null) {
+        selfOperations.push(op);
+      }
+    } else if (key.charAt(0) === "$") {
+      throwUnsupportedOperation(key);
+    } else {
+      nestedOperations.push(
+        createNestedOperation(key.split("."), query[key], key, query, options)
+      );
+    }
+  }
+
+  return [selfOperations, nestedOperations];
+};
+
+export const createOperationTester = <TItem>(operation: Operation<TItem>) => (
+  item: TItem,
+  key?: Key,
+  owner?: any
+) => {
+  operation.reset();
+  operation.next(item, key, owner);
+  return operation.keep;
+};
+
+export const createQueryTester = <TItem, TSchema = TItem>(
+  query: Query<TSchema>,
+  options: Partial<Options> = {}
+) => {
+  return createOperationTester(
+    createQueryOperation<TItem, TSchema>(query, null, options)
+  );
+};
diff --git a/node_modules/sift/src/index.d.ts b/node_modules/sift/src/index.d.ts
new file mode 100644
index 000000000..66fc25b1c
--- /dev/null
+++ b/node_modules/sift/src/index.d.ts
@@ -0,0 +1,6 @@
+import { Query, Options, createQueryTester, EqualsOperation, createQueryOperation, createEqualsOperation, createOperationTester } from "./core";
+declare const createDefaultQueryOperation: <TItem, TSchema extends TItem = TItem>(query: Query<TSchema>, ownerQuery: any, { compare, operations }?: Partial<Options>) => import("./core").QueryOperation<unknown>;
+declare const createDefaultQueryTester: <TItem, TSchema extends TItem = TItem>(query: Query<TSchema>, options?: Partial<Options>) => (item: unknown, key?: import("./utils").Key, owner?: any) => boolean;
+export { Query, EqualsOperation, createQueryTester, createOperationTester, createDefaultQueryOperation, createEqualsOperation, createQueryOperation };
+export * from "./operations";
+export default createDefaultQueryTester;
diff --git a/node_modules/sift/src/index.js b/node_modules/sift/src/index.js
new file mode 100644
index 000000000..2468a1922
--- /dev/null
+++ b/node_modules/sift/src/index.js
@@ -0,0 +1,35 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.createQueryOperation = exports.createEqualsOperation = exports.createDefaultQueryOperation = exports.createOperationTester = exports.createQueryTester = exports.EqualsOperation = void 0;
+const defaultOperations = require("./operations");
+const core_1 = require("./core");
+Object.defineProperty(exports, "createQueryTester", { enumerable: true, get: function () { return core_1.createQueryTester; } });
+Object.defineProperty(exports, "EqualsOperation", { enumerable: true, get: function () { return core_1.EqualsOperation; } });
+Object.defineProperty(exports, "createQueryOperation", { enumerable: true, get: function () { return core_1.createQueryOperation; } });
+Object.defineProperty(exports, "createEqualsOperation", { enumerable: true, get: function () { return core_1.createEqualsOperation; } });
+Object.defineProperty(exports, "createOperationTester", { enumerable: true, get: function () { return core_1.createOperationTester; } });
+const createDefaultQueryOperation = (query, ownerQuery, { compare, operations } = {}) => {
+    return core_1.createQueryOperation(query, ownerQuery, {
+        compare,
+        operations: Object.assign({}, defaultOperations, operations || {})
+    });
+};
+exports.createDefaultQueryOperation = createDefaultQueryOperation;
+const createDefaultQueryTester = (query, options = {}) => {
+    console.log("Q", query);
+    const op = createDefaultQueryOperation(query, null, options);
+    return core_1.createOperationTester(op);
+};
+__exportStar(require("./operations"), exports);
+exports.default = createDefaultQueryTester;
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/node_modules/sift/src/index.js.map b/node_modules/sift/src/index.js.map
new file mode 100644
index 000000000..51123b3e4
--- /dev/null
+++ b/node_modules/sift/src/index.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sourceRoot":"","sources":["index.ts"],"names":[],"mappings":";;;;;;;;;;;;;AAAA,kDAAkD;AAClD,iCAQgB;AAyBd,kGA9BA,wBAAiB,OA8BA;AADjB,gGA5BA,sBAAe,OA4BA;AAKf,qGAhCA,2BAAoB,OAgCA;AADpB,sGA9BA,4BAAqB,OA8BA;AAFrB,sGA3BA,4BAAqB,OA2BA;AAxBvB,MAAM,2BAA2B,GAAG,CAClC,KAAqB,EACrB,UAAe,EACf,EAAE,OAAO,EAAE,UAAU,KAAuB,EAAE,EAC9C,EAAE;IACF,OAAO,2BAAoB,CAAC,KAAK,EAAE,UAAU,EAAE;QAC7C,OAAO;QACP,UAAU,EAAE,MAAM,CAAC,MAAM,CAAC,EAAE,EAAE,iBAAiB,EAAE,UAAU,IAAI,EAAE,CAAC;KACnE,CAAC,CAAC;AACL,CAAC,CAAC;AAgBA,kEAA2B;AAd7B,MAAM,wBAAwB,GAAG,CAC/B,KAAqB,EACrB,UAA4B,EAAE,EAC9B,EAAE;IACF,OAAO,CAAC,GAAG,CAAC,GAAG,EAAE,KAAK,CAAC,CAAC;IACxB,MAAM,EAAE,GAAG,2BAA2B,CAAC,KAAK,EAAE,IAAI,EAAE,OAAO,CAAC,CAAC;IAC7D,OAAO,4BAAqB,CAAC,EAAE,CAAC,CAAC;AACnC,CAAC,CAAC;AAWF,+CAA6B;AAE7B,kBAAe,wBAAwB,CAAC"}
\ No newline at end of file
diff --git a/node_modules/sift/src/index.ts b/node_modules/sift/src/index.ts
new file mode 100644
index 000000000..e577a17b8
--- /dev/null
+++ b/node_modules/sift/src/index.ts
@@ -0,0 +1,42 @@
+import * as defaultOperations from "./operations";
+import {
+  Query,
+  Options,
+  createQueryTester,
+  EqualsOperation,
+  createQueryOperation,
+  createEqualsOperation,
+  createOperationTester
+} from "./core";
+
+const createDefaultQueryOperation = <TItem, TSchema extends TItem = TItem>(
+  query: Query<TSchema>,
+  ownerQuery: any,
+  { compare, operations }: Partial<Options> = {}
+) => {
+  return createQueryOperation(query, ownerQuery, {
+    compare,
+    operations: Object.assign({}, defaultOperations, operations || {})
+  });
+};
+
+const createDefaultQueryTester = <TItem, TSchema extends TItem = TItem>(
+  query: Query<TSchema>,
+  options: Partial<Options> = {}
+) => {
+  const op = createDefaultQueryOperation(query, null, options);
+  return createOperationTester(op);
+};
+
+export {
+  Query,
+  EqualsOperation,
+  createQueryTester,
+  createOperationTester,
+  createDefaultQueryOperation,
+  createEqualsOperation,
+  createQueryOperation
+};
+export * from "./operations";
+
+export default createDefaultQueryTester;
diff --git a/node_modules/sift/src/operations.d.ts b/node_modules/sift/src/operations.d.ts
new file mode 100644
index 000000000..d16758095
--- /dev/null
+++ b/node_modules/sift/src/operations.d.ts
@@ -0,0 +1,85 @@
+import { NamedBaseOperation, EqualsOperation, Options, Operation, Query, NamedGroupOperation } from "./core";
+import { Key } from "./utils";
+declare class $Ne extends NamedBaseOperation<any> {
+    readonly propop = true;
+    private _test;
+    init(): void;
+    reset(): void;
+    next(item: any): void;
+}
+declare class $ElemMatch extends NamedBaseOperation<Query<any>> {
+    readonly propop = true;
+    private _queryOperation;
+    init(): void;
+    reset(): void;
+    next(item: any): void;
+}
+declare class $Not extends NamedBaseOperation<Query<any>> {
+    readonly propop = true;
+    private _queryOperation;
+    init(): void;
+    reset(): void;
+    next(item: any, key: Key, owner: any): void;
+}
+export declare class $Size extends NamedBaseOperation<any> {
+    readonly propop = true;
+    init(): void;
+    next(item: any): void;
+}
+declare class $Or extends NamedBaseOperation<any> {
+    readonly propop = false;
+    private _ops;
+    init(): void;
+    reset(): void;
+    next(item: any, key: Key, owner: any): void;
+}
+declare class $Nor extends $Or {
+    readonly propop = false;
+    next(item: any, key: Key, owner: any): void;
+}
+declare class $In extends NamedBaseOperation<any> {
+    readonly propop = true;
+    private _testers;
+    init(): void;
+    next(item: any, key: Key, owner: any): void;
+}
+declare class $Nin extends $In {
+    readonly propop = true;
+    next(item: any, key: Key, owner: any): void;
+}
+declare class $Exists extends NamedBaseOperation<boolean> {
+    readonly propop = true;
+    next(item: any, key: Key, owner: any): void;
+}
+declare class $And extends NamedGroupOperation {
+    readonly propop = false;
+    constructor(params: Query<any>[], owneryQuery: Query<any>, options: Options, name: string);
+    next(item: any, key: Key, owner: any): void;
+}
+declare class $All extends NamedGroupOperation {
+    readonly propop = true;
+    constructor(params: Query<any>[], owneryQuery: Query<any>, options: Options, name: string);
+    next(item: any, key: Key, owner: any): void;
+}
+export declare const $eq: (params: any, owneryQuery: Query<any>, options: Options) => EqualsOperation<any>;
+export declare const $ne: (params: any, owneryQuery: Query<any>, options: Options, name: string) => $Ne;
+export declare const $or: (params: Query<any>[], owneryQuery: Query<any>, options: Options, name: string) => $Or;
+export declare const $nor: (params: Query<any>[], owneryQuery: Query<any>, options: Options, name: string) => $Nor;
+export declare const $elemMatch: (params: any, owneryQuery: Query<any>, options: Options, name: string) => $ElemMatch;
+export declare const $nin: (params: any, owneryQuery: Query<any>, options: Options, name: string) => $Nin;
+export declare const $in: (params: any, owneryQuery: Query<any>, options: Options, name: string) => $In;
+export declare const $lt: (params: any, owneryQuery: any, options: Options, name: string) => Operation<any>;
+export declare const $lte: (params: any, owneryQuery: any, options: Options, name: string) => Operation<any>;
+export declare const $gt: (params: any, owneryQuery: any, options: Options, name: string) => Operation<any>;
+export declare const $gte: (params: any, owneryQuery: any, options: Options, name: string) => Operation<any>;
+export declare const $mod: ([mod, equalsValue]: number[], owneryQuery: Query<any>, options: Options) => EqualsOperation<(b: any) => boolean>;
+export declare const $exists: (params: boolean, owneryQuery: Query<any>, options: Options, name: string) => $Exists;
+export declare const $regex: (pattern: string, owneryQuery: Query<any>, options: Options) => EqualsOperation<RegExp>;
+export declare const $not: (params: any, owneryQuery: Query<any>, options: Options, name: string) => $Not;
+export declare const $type: (clazz: Function | string, owneryQuery: Query<any>, options: Options) => EqualsOperation<(b: any) => any>;
+export declare const $and: (params: Query<any>[], ownerQuery: Query<any>, options: Options, name: string) => $And;
+export declare const $all: (params: Query<any>[], ownerQuery: Query<any>, options: Options, name: string) => $All;
+export declare const $size: (params: number, ownerQuery: Query<any>, options: Options) => $Size;
+export declare const $options: () => any;
+export declare const $where: (params: string | Function, ownerQuery: Query<any>, options: Options) => EqualsOperation<(b: any) => any>;
+export {};
diff --git a/node_modules/sift/src/operations.js b/node_modules/sift/src/operations.js
new file mode 100644
index 000000000..967778243
--- /dev/null
+++ b/node_modules/sift/src/operations.js
@@ -0,0 +1,276 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.$where = exports.$options = exports.$size = exports.$all = exports.$and = exports.$type = exports.$not = exports.$regex = exports.$exists = exports.$mod = exports.$gte = exports.$gt = exports.$lte = exports.$lt = exports.$in = exports.$nin = exports.$elemMatch = exports.$nor = exports.$or = exports.$ne = exports.$eq = exports.$Size = void 0;
+const core_1 = require("./core");
+const utils_1 = require("./utils");
+class $Ne extends core_1.NamedBaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    init() {
+        this._test = core_1.createTester(this.params, this.options.compare);
+    }
+    reset() {
+        super.reset();
+        this.keep = true;
+    }
+    next(item) {
+        if (this._test(item)) {
+            this.done = true;
+            this.keep = false;
+        }
+    }
+}
+// https://docs.mongodb.com/manual/reference/operator/query/elemMatch/
+class $ElemMatch extends core_1.NamedBaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    init() {
+        if (!this.params || typeof this.params !== "object") {
+            throw new Error(`Malformed query. $elemMatch must by an object.`);
+        }
+        this._queryOperation = core_1.createQueryOperation(this.params, this.owneryQuery, this.options);
+    }
+    reset() {
+        super.reset();
+        this._queryOperation.reset();
+    }
+    next(item) {
+        if (utils_1.isArray(item)) {
+            for (let i = 0, { length } = item; i < length; i++) {
+                // reset query operation since item being tested needs to pass _all_ query
+                // operations for it to be a success
+                this._queryOperation.reset();
+                const child = item[i];
+                this._queryOperation.next(child, i, item);
+                this.keep = this.keep || this._queryOperation.keep;
+            }
+            this.done = true;
+        }
+        else {
+            this.done = false;
+            this.keep = false;
+        }
+    }
+}
+class $Not extends core_1.NamedBaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    init() {
+        this._queryOperation = core_1.createQueryOperation(this.params, this.owneryQuery, this.options);
+    }
+    reset() {
+        this._queryOperation.reset();
+    }
+    next(item, key, owner) {
+        this._queryOperation.next(item, key, owner);
+        this.done = this._queryOperation.done;
+        this.keep = !this._queryOperation.keep;
+    }
+}
+class $Size extends core_1.NamedBaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    init() { }
+    next(item) {
+        if (utils_1.isArray(item) && item.length === this.params) {
+            this.done = true;
+            this.keep = true;
+        }
+        // if (parent && parent.length === this.params) {
+        //   this.done = true;
+        //   this.keep = true;
+        // }
+    }
+}
+exports.$Size = $Size;
+const assertGroupNotEmpty = (values) => {
+    if (values.length === 0) {
+        throw new Error(`$and/$or/$nor must be a nonempty array`);
+    }
+};
+class $Or extends core_1.NamedBaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = false;
+    }
+    init() {
+        assertGroupNotEmpty(this.params);
+        this._ops = this.params.map(op => core_1.createQueryOperation(op, null, this.options));
+    }
+    reset() {
+        this.done = false;
+        this.keep = false;
+        for (let i = 0, { length } = this._ops; i < length; i++) {
+            this._ops[i].reset();
+        }
+    }
+    next(item, key, owner) {
+        let done = false;
+        let success = false;
+        for (let i = 0, { length } = this._ops; i < length; i++) {
+            const op = this._ops[i];
+            op.next(item, key, owner);
+            if (op.keep) {
+                done = true;
+                success = op.keep;
+                break;
+            }
+        }
+        this.keep = success;
+        this.done = done;
+    }
+}
+class $Nor extends $Or {
+    constructor() {
+        super(...arguments);
+        this.propop = false;
+    }
+    next(item, key, owner) {
+        super.next(item, key, owner);
+        this.keep = !this.keep;
+    }
+}
+class $In extends core_1.NamedBaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    init() {
+        this._testers = this.params.map(value => {
+            if (core_1.containsOperation(value, this.options)) {
+                throw new Error(`cannot nest $ under ${this.constructor.name.toLowerCase()}`);
+            }
+            return core_1.createTester(value, this.options.compare);
+        });
+    }
+    next(item, key, owner) {
+        let done = false;
+        let success = false;
+        for (let i = 0, { length } = this._testers; i < length; i++) {
+            const test = this._testers[i];
+            if (test(item)) {
+                done = true;
+                success = true;
+                break;
+            }
+        }
+        this.keep = success;
+        this.done = done;
+    }
+}
+class $Nin extends $In {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    next(item, key, owner) {
+        super.next(item, key, owner);
+        this.keep = !this.keep;
+    }
+}
+class $Exists extends core_1.NamedBaseOperation {
+    constructor() {
+        super(...arguments);
+        this.propop = true;
+    }
+    next(item, key, owner) {
+        if (owner.hasOwnProperty(key) === this.params) {
+            this.done = true;
+            this.keep = true;
+        }
+    }
+}
+class $And extends core_1.NamedGroupOperation {
+    constructor(params, owneryQuery, options, name) {
+        super(params, owneryQuery, options, params.map(query => core_1.createQueryOperation(query, owneryQuery, options)), name);
+        this.propop = false;
+        assertGroupNotEmpty(params);
+    }
+    next(item, key, owner) {
+        this.childrenNext(item, key, owner);
+    }
+}
+class $All extends core_1.NamedGroupOperation {
+    constructor(params, owneryQuery, options, name) {
+        super(params, owneryQuery, options, params.map(query => core_1.createQueryOperation(query, owneryQuery, options)), name);
+        this.propop = true;
+    }
+    next(item, key, owner) {
+        this.childrenNext(item, key, owner);
+    }
+}
+const $eq = (params, owneryQuery, options) => new core_1.EqualsOperation(params, owneryQuery, options);
+exports.$eq = $eq;
+const $ne = (params, owneryQuery, options, name) => new $Ne(params, owneryQuery, options, name);
+exports.$ne = $ne;
+const $or = (params, owneryQuery, options, name) => new $Or(params, owneryQuery, options, name);
+exports.$or = $or;
+const $nor = (params, owneryQuery, options, name) => new $Nor(params, owneryQuery, options, name);
+exports.$nor = $nor;
+const $elemMatch = (params, owneryQuery, options, name) => new $ElemMatch(params, owneryQuery, options, name);
+exports.$elemMatch = $elemMatch;
+const $nin = (params, owneryQuery, options, name) => new $Nin(params, owneryQuery, options, name);
+exports.$nin = $nin;
+const $in = (params, owneryQuery, options, name) => new $In(params, owneryQuery, options, name);
+exports.$in = $in;
+exports.$lt = core_1.numericalOperation(params => b => b < params);
+exports.$lte = core_1.numericalOperation(params => b => b <= params);
+exports.$gt = core_1.numericalOperation(params => b => b > params);
+exports.$gte = core_1.numericalOperation(params => b => b >= params);
+const $mod = ([mod, equalsValue], owneryQuery, options) => new core_1.EqualsOperation(b => utils_1.comparable(b) % mod === equalsValue, owneryQuery, options);
+exports.$mod = $mod;
+const $exists = (params, owneryQuery, options, name) => new $Exists(params, owneryQuery, options, name);
+exports.$exists = $exists;
+const $regex = (pattern, owneryQuery, options) => new core_1.EqualsOperation(new RegExp(pattern, owneryQuery.$options), owneryQuery, options);
+exports.$regex = $regex;
+const $not = (params, owneryQuery, options, name) => new $Not(params, owneryQuery, options, name);
+exports.$not = $not;
+const typeAliases = {
+    number: v => typeof v === "number",
+    string: v => typeof v === "string",
+    bool: v => typeof v === "boolean",
+    array: v => Array.isArray(v),
+    null: v => v === null,
+    timestamp: v => v instanceof Date
+};
+const $type = (clazz, owneryQuery, options) => new core_1.EqualsOperation(b => {
+    if (typeof clazz === "string") {
+        if (!typeAliases[clazz]) {
+            throw new Error(`Type alias does not exist`);
+        }
+        return typeAliases[clazz](b);
+    }
+    return b != null ? b instanceof clazz || b.constructor === clazz : false;
+}, owneryQuery, options);
+exports.$type = $type;
+const $and = (params, ownerQuery, options, name) => new $And(params, ownerQuery, options, name);
+exports.$and = $and;
+const $all = (params, ownerQuery, options, name) => new $All(params, ownerQuery, options, name);
+exports.$all = $all;
+const $size = (params, ownerQuery, options) => new $Size(params, ownerQuery, options, "$size");
+exports.$size = $size;
+const $options = () => null;
+exports.$options = $options;
+const $where = (params, ownerQuery, options) => {
+    let test;
+    if (utils_1.isFunction(params)) {
+        test = params;
+    }
+    else if (!process.env.CSP_ENABLED) {
+        test = new Function("obj", "return " + params);
+    }
+    else {
+        throw new Error(`In CSP mode, sift does not support strings in "$where" condition`);
+    }
+    return new core_1.EqualsOperation(b => test.bind(b)(b), ownerQuery, options);
+};
+exports.$where = $where;
+//# sourceMappingURL=operations.js.map
\ No newline at end of file
diff --git a/node_modules/sift/src/operations.js.map b/node_modules/sift/src/operations.js.map
new file mode 100644
index 000000000..ada5a9558
--- /dev/null
+++ b/node_modules/sift/src/operations.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/sift/src/operations.ts b/node_modules/sift/src/operations.ts
new file mode 100644
index 000000000..83c5f5bdc
--- /dev/null
+++ b/node_modules/sift/src/operations.ts
@@ -0,0 +1,411 @@
+import {
+  BaseOperation,
+  EqualsOperation,
+  Options,
+  createTester,
+  Tester,
+  createQueryOperation,
+  QueryOperation,
+  Operation,
+  Query,
+  NamedGroupOperation,
+  numericalOperation,
+  containsOperation,
+  NamedOperation
+} from "./core";
+import { Key, comparable, isFunction, isArray } from "./utils";
+
+class $Ne extends BaseOperation<any> {
+  readonly propop = true;
+  private _test: Tester;
+  init() {
+    this._test = createTester(this.params, this.options.compare);
+  }
+  reset() {
+    super.reset();
+    this.keep = true;
+  }
+  next(item: any) {
+    if (this._test(item)) {
+      this.done = true;
+      this.keep = false;
+    }
+  }
+}
+// https://docs.mongodb.com/manual/reference/operator/query/elemMatch/
+class $ElemMatch extends BaseOperation<Query<any>> {
+  readonly propop = true;
+  private _queryOperation: QueryOperation<any>;
+  init() {
+    if (!this.params || typeof this.params !== "object") {
+      throw new Error(`Malformed query. $elemMatch must by an object.`);
+    }
+    this._queryOperation = createQueryOperation(
+      this.params,
+      this.owneryQuery,
+      this.options
+    );
+  }
+  reset() {
+    super.reset();
+    this._queryOperation.reset();
+  }
+  next(item: any) {
+    if (isArray(item)) {
+      for (let i = 0, { length } = item; i < length; i++) {
+        // reset query operation since item being tested needs to pass _all_ query
+        // operations for it to be a success
+        this._queryOperation.reset();
+
+        const child = item[i];
+        this._queryOperation.next(child, i, item, false);
+        this.keep = this.keep || this._queryOperation.keep;
+      }
+      this.done = true;
+    } else {
+      this.done = false;
+      this.keep = false;
+    }
+  }
+}
+
+class $Not extends BaseOperation<Query<any>> {
+  readonly propop = true;
+  private _queryOperation: QueryOperation<any>;
+  init() {
+    this._queryOperation = createQueryOperation(
+      this.params,
+      this.owneryQuery,
+      this.options
+    );
+  }
+  reset() {
+    super.reset();
+    this._queryOperation.reset();
+  }
+  next(item: any, key: Key, owner: any, root: boolean) {
+    this._queryOperation.next(item, key, owner, root);
+    this.done = this._queryOperation.done;
+    this.keep = !this._queryOperation.keep;
+  }
+}
+
+export class $Size extends BaseOperation<any> {
+  readonly propop = true;
+  init() {}
+  next(item) {
+    if (isArray(item) && item.length === this.params) {
+      this.done = true;
+      this.keep = true;
+    }
+    // if (parent && parent.length === this.params) {
+    //   this.done = true;
+    //   this.keep = true;
+    // }
+  }
+}
+
+const assertGroupNotEmpty = (values: any[]) => {
+  if (values.length === 0) {
+    throw new Error(`$and/$or/$nor must be a nonempty array`);
+  }
+};
+
+class $Or extends BaseOperation<any> {
+  readonly propop = false;
+  private _ops: Operation<any>[];
+  init() {
+    assertGroupNotEmpty(this.params);
+    this._ops = this.params.map(op =>
+      createQueryOperation(op, null, this.options)
+    );
+  }
+  reset() {
+    this.done = false;
+    this.keep = false;
+    for (let i = 0, { length } = this._ops; i < length; i++) {
+      this._ops[i].reset();
+    }
+  }
+  next(item: any, key: Key, owner: any) {
+    let done = false;
+    let success = false;
+    for (let i = 0, { length } = this._ops; i < length; i++) {
+      const op = this._ops[i];
+      op.next(item, key, owner);
+      if (op.keep) {
+        done = true;
+        success = op.keep;
+        break;
+      }
+    }
+
+    this.keep = success;
+    this.done = done;
+  }
+}
+
+class $Nor extends $Or {
+  readonly propop = false;
+  next(item: any, key: Key, owner: any) {
+    super.next(item, key, owner);
+    this.keep = !this.keep;
+  }
+}
+
+class $In extends BaseOperation<any> {
+  readonly propop = true;
+  private _testers: Tester[];
+  init() {
+    this._testers = this.params.map(value => {
+      if (containsOperation(value, this.options)) {
+        throw new Error(`cannot nest $ under ${this.name.toLowerCase()}`);
+      }
+      return createTester(value, this.options.compare);
+    });
+  }
+  next(item: any, key: Key, owner: any) {
+    let done = false;
+    let success = false;
+    for (let i = 0, { length } = this._testers; i < length; i++) {
+      const test = this._testers[i];
+      if (test(item)) {
+        done = true;
+        success = true;
+        break;
+      }
+    }
+
+    this.keep = success;
+    this.done = done;
+  }
+}
+
+class $Nin extends BaseOperation<any> {
+  readonly propop = true;
+  private _in: $In;
+  constructor(params: any, ownerQuery: any, options: Options, name: string) {
+    super(params, ownerQuery, options, name);
+    this._in = new $In(params, ownerQuery, options, name);
+  }
+  next(item: any, key: Key, owner: any, root: boolean) {
+    this._in.next(item, key, owner);
+
+    if (isArray(owner) && !root) {
+      if (this._in.keep) {
+        this.keep = false;
+        this.done = true;
+      } else if (key == owner.length - 1) {
+        this.keep = true;
+        this.done = true;
+      }
+    } else {
+      this.keep = !this._in.keep;
+      this.done = true;
+    }
+  }
+  reset() {
+    super.reset();
+    this._in.reset();
+  }
+}
+
+class $Exists extends BaseOperation<boolean> {
+  readonly propop = true;
+  next(item: any, key: Key, owner: any) {
+    if (owner.hasOwnProperty(key) === this.params) {
+      this.done = true;
+      this.keep = true;
+    }
+  }
+}
+
+class $And extends NamedGroupOperation {
+  readonly propop = false;
+  constructor(
+    params: Query<any>[],
+    owneryQuery: Query<any>,
+    options: Options,
+    name: string
+  ) {
+    super(
+      params,
+      owneryQuery,
+      options,
+      params.map(query => createQueryOperation(query, owneryQuery, options)),
+      name
+    );
+
+    assertGroupNotEmpty(params);
+  }
+  next(item: any, key: Key, owner: any, root: boolean) {
+    this.childrenNext(item, key, owner, root);
+  }
+}
+
+class $All extends NamedGroupOperation {
+  readonly propop = true;
+  constructor(
+    params: Query<any>[],
+    owneryQuery: Query<any>,
+    options: Options,
+    name: string
+  ) {
+    super(
+      params,
+      owneryQuery,
+      options,
+      params.map(query => createQueryOperation(query, owneryQuery, options)),
+      name
+    );
+  }
+  next(item: any, key: Key, owner: any, root: boolean) {
+    this.childrenNext(item, key, owner, root);
+  }
+}
+
+export const $eq = (params: any, owneryQuery: Query<any>, options: Options) =>
+  new EqualsOperation(params, owneryQuery, options);
+export const $ne = (
+  params: any,
+  owneryQuery: Query<any>,
+  options: Options,
+  name: string
+) => new $Ne(params, owneryQuery, options, name);
+export const $or = (
+  params: Query<any>[],
+  owneryQuery: Query<any>,
+  options: Options,
+  name: string
+) => new $Or(params, owneryQuery, options, name);
+export const $nor = (
+  params: Query<any>[],
+  owneryQuery: Query<any>,
+  options: Options,
+  name: string
+) => new $Nor(params, owneryQuery, options, name);
+export const $elemMatch = (
+  params: any,
+  owneryQuery: Query<any>,
+  options: Options,
+  name: string
+) => new $ElemMatch(params, owneryQuery, options, name);
+export const $nin = (
+  params: any,
+  owneryQuery: Query<any>,
+  options: Options,
+  name: string
+) => new $Nin(params, owneryQuery, options, name);
+export const $in = (
+  params: any,
+  owneryQuery: Query<any>,
+  options: Options,
+  name: string
+) => {
+  return new $In(params, owneryQuery, options, name);
+};
+
+export const $lt = numericalOperation(params => b => b < params);
+export const $lte = numericalOperation(params => b => b <= params);
+export const $gt = numericalOperation(params => b => b > params);
+export const $gte = numericalOperation(params => b => b >= params);
+export const $mod = (
+  [mod, equalsValue]: number[],
+  owneryQuery: Query<any>,
+  options: Options
+) =>
+  new EqualsOperation(
+    b => comparable(b) % mod === equalsValue,
+    owneryQuery,
+    options
+  );
+export const $exists = (
+  params: boolean,
+  owneryQuery: Query<any>,
+  options: Options,
+  name: string
+) => new $Exists(params, owneryQuery, options, name);
+export const $regex = (
+  pattern: string,
+  owneryQuery: Query<any>,
+  options: Options
+) =>
+  new EqualsOperation(
+    new RegExp(pattern, owneryQuery.$options),
+    owneryQuery,
+    options
+  );
+export const $not = (
+  params: any,
+  owneryQuery: Query<any>,
+  options: Options,
+  name: string
+) => new $Not(params, owneryQuery, options, name);
+
+const typeAliases = {
+  number: v => typeof v === "number",
+  string: v => typeof v === "string",
+  bool: v => typeof v === "boolean",
+  array: v => Array.isArray(v),
+  null: v => v === null,
+  timestamp: v => v instanceof Date
+};
+
+export const $type = (
+  clazz: Function | string,
+  owneryQuery: Query<any>,
+  options: Options
+) =>
+  new EqualsOperation(
+    b => {
+      if (typeof clazz === "string") {
+        if (!typeAliases[clazz]) {
+          throw new Error(`Type alias does not exist`);
+        }
+
+        return typeAliases[clazz](b);
+      }
+
+      return b != null ? b instanceof clazz || b.constructor === clazz : false;
+    },
+    owneryQuery,
+    options
+  );
+export const $and = (
+  params: Query<any>[],
+  ownerQuery: Query<any>,
+  options: Options,
+  name: string
+) => new $And(params, ownerQuery, options, name);
+
+export const $all = (
+  params: Query<any>[],
+  ownerQuery: Query<any>,
+  options: Options,
+  name: string
+) => new $All(params, ownerQuery, options, name);
+export const $size = (
+  params: number,
+  ownerQuery: Query<any>,
+  options: Options
+) => new $Size(params, ownerQuery, options, "$size");
+export const $options = () => null;
+export const $where = (
+  params: string | Function,
+  ownerQuery: Query<any>,
+  options: Options
+) => {
+  let test;
+
+  if (isFunction(params)) {
+    test = params;
+  } else if (!process.env.CSP_ENABLED) {
+    test = new Function("obj", "return " + params);
+  } else {
+    throw new Error(
+      `In CSP mode, sift does not support strings in "$where" condition`
+    );
+  }
+
+  return new EqualsOperation(b => test.bind(b)(b), ownerQuery, options);
+};
diff --git a/node_modules/sift/src/utils.d.ts b/node_modules/sift/src/utils.d.ts
new file mode 100644
index 000000000..422a2924a
--- /dev/null
+++ b/node_modules/sift/src/utils.d.ts
@@ -0,0 +1,9 @@
+export declare type Key = string | number;
+export declare type Comparator = (a: any, b: any) => boolean;
+export declare const typeChecker: <TType>(type: any) => (value: any) => value is TType;
+export declare const comparable: (value: any) => any;
+export declare const isArray: (value: any) => value is any[];
+export declare const isObject: (value: any) => value is Object;
+export declare const isFunction: (value: any) => value is Function;
+export declare const isVanillaObject: (value: any) => boolean;
+export declare const equals: (a: any, b: any) => boolean;
diff --git a/node_modules/sift/src/utils.js b/node_modules/sift/src/utils.js
new file mode 100644
index 000000000..682fc1acf
--- /dev/null
+++ b/node_modules/sift/src/utils.js
@@ -0,0 +1,70 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.equals = exports.isVanillaObject = exports.isFunction = exports.isObject = exports.isArray = exports.comparable = exports.typeChecker = void 0;
+const typeChecker = (type) => {
+    const typeString = "[object " + type + "]";
+    return function (value) {
+        return getClassName(value) === typeString;
+    };
+};
+exports.typeChecker = typeChecker;
+const getClassName = value => Object.prototype.toString.call(value);
+const comparable = (value) => {
+    if (value instanceof Date) {
+        return value.getTime();
+    }
+    else if (exports.isArray(value)) {
+        return value.map(exports.comparable);
+    }
+    else if (value && typeof value.toJSON === "function") {
+        return value.toJSON();
+    }
+    return value;
+};
+exports.comparable = comparable;
+exports.isArray = exports.typeChecker("Array");
+exports.isObject = exports.typeChecker("Object");
+exports.isFunction = exports.typeChecker("Function");
+const isVanillaObject = value => {
+    return (value &&
+        (value.constructor === Object ||
+            value.constructor === Array ||
+            value.constructor.toString() === "function Object() { [native code] }" ||
+            value.constructor.toString() === "function Array() { [native code] }") &&
+        !value.toJSON);
+};
+exports.isVanillaObject = isVanillaObject;
+const equals = (a, b) => {
+    if (a == null && a == b) {
+        return true;
+    }
+    if (a === b) {
+        return true;
+    }
+    if (Object.prototype.toString.call(a) !== Object.prototype.toString.call(b)) {
+        return false;
+    }
+    if (exports.isArray(a)) {
+        if (a.length !== b.length) {
+            return false;
+        }
+        for (let i = 0, { length } = a; i < length; i++) {
+            if (!exports.equals(a[i], b[i]))
+                return false;
+        }
+        return true;
+    }
+    else if (exports.isObject(a)) {
+        if (Object.keys(a).length !== Object.keys(b).length) {
+            return false;
+        }
+        for (const key in a) {
+            if (!exports.equals(a[key], b[key]))
+                return false;
+        }
+        return true;
+    }
+    return false;
+};
+exports.equals = equals;
+//# sourceMappingURL=utils.js.map
\ No newline at end of file
diff --git a/node_modules/sift/src/utils.js.map b/node_modules/sift/src/utils.js.map
new file mode 100644
index 000000000..696e78eee
--- /dev/null
+++ b/node_modules/sift/src/utils.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"utils.js","sourceRoot":"","sources":["utils.ts"],"names":[],"mappings":";;;AAEO,MAAM,WAAW,GAAG,CAAQ,IAAI,EAAE,EAAE;IACzC,MAAM,UAAU,GAAG,UAAU,GAAG,IAAI,GAAG,GAAG,CAAC;IAC3C,OAAO,UAAS,KAAK;QACnB,OAAO,YAAY,CAAC,KAAK,CAAC,KAAK,UAAU,CAAC;IAC5C,CAAC,CAAC;AACJ,CAAC,CAAC;AALW,QAAA,WAAW,eAKtB;AAEF,MAAM,YAAY,GAAG,KAAK,CAAC,EAAE,CAAC,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;AAE7D,MAAM,UAAU,GAAG,CAAC,KAAU,EAAE,EAAE;IACvC,IAAI,KAAK,YAAY,IAAI,EAAE;QACzB,OAAO,KAAK,CAAC,OAAO,EAAE,CAAC;KACxB;SAAM,IAAI,eAAO,CAAC,KAAK,CAAC,EAAE;QACzB,OAAO,KAAK,CAAC,GAAG,CAAC,kBAAU,CAAC,CAAC;KAC9B;SAAM,IAAI,KAAK,IAAI,OAAO,KAAK,CAAC,MAAM,KAAK,UAAU,EAAE;QACtD,OAAO,KAAK,CAAC,MAAM,EAAE,CAAC;KACvB;IAED,OAAO,KAAK,CAAC;AACf,CAAC,CAAC;AAVW,QAAA,UAAU,cAUrB;AAEW,QAAA,OAAO,GAAG,mBAAW,CAAa,OAAO,CAAC,CAAC;AAC3C,QAAA,QAAQ,GAAG,mBAAW,CAAS,QAAQ,CAAC,CAAC;AACzC,QAAA,UAAU,GAAG,mBAAW,CAAW,UAAU,CAAC,CAAC;AACrD,MAAM,eAAe,GAAG,KAAK,CAAC,EAAE;IACrC,OAAO,CACL,KAAK;QACL,CAAC,KAAK,CAAC,WAAW,KAAK,MAAM;YAC3B,KAAK,CAAC,WAAW,KAAK,KAAK;YAC3B,KAAK,CAAC,WAAW,CAAC,QAAQ,EAAE,KAAK,qCAAqC;YACtE,KAAK,CAAC,WAAW,CAAC,QAAQ,EAAE,KAAK,oCAAoC,CAAC;QACxE,CAAC,KAAK,CAAC,MAAM,CACd,CAAC;AACJ,CAAC,CAAC;AATW,QAAA,eAAe,mBAS1B;AAEK,MAAM,MAAM,GAAG,CAAC,CAAC,EAAE,CAAC,EAAE,EAAE;IAC7B,IAAI,CAAC,IAAI,IAAI,IAAI,CAAC,IAAI,CAAC,EAAE;QACvB,OAAO,IAAI,CAAC;KACb;IACD,IAAI,CAAC,KAAK,CAAC,EAAE;QACX,OAAO,IAAI,CAAC;KACb;IAED,IAAI,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC,CAAC,KAAK,MAAM,CAAC,SAAS,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC,CAAC,EAAE;QAC3E,OAAO,KAAK,CAAC;KACd;IAED,IAAI,eAAO,CAAC,CAAC,CAAC,EAAE;QACd,IAAI,CAAC,CAAC,MAAM,KAAK,CAAC,CAAC,MAAM,EAAE;YACzB,OAAO,KAAK,CAAC;SACd;QACD,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,EAAE,MAAM,EAAE,GAAG,CAAC,EAAE,CAAC,GAAG,MAAM,EAAE,CAAC,EAAE,EAAE;YAC/C,IAAI,CAAC,cAAM,CAAC,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,CAAC;gBAAE,OAAO,KAAK,CAAC;SACvC;QACD,OAAO,IAAI,CAAC;KACb;SAAM,IAAI,gBAAQ,CAAC,CAAC,CAAC,EAAE;QACtB,IAAI,MAAM,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,MAAM,KAAK,MAAM,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,MAAM,EAAE;YACnD,OAAO,KAAK,CAAC;SACd;QACD,KAAK,MAAM,GAAG,IAAI,CAAC,EAAE;YACnB,IAAI,CAAC,cAAM,CAAC,CAAC,CAAC,GAAG,CAAC,EAAE,CAAC,CAAC,GAAG,CAAC,CAAC;gBAAE,OAAO,KAAK,CAAC;SAC3C;QACD,OAAO,IAAI,CAAC;KACb;IACD,OAAO,KAAK,CAAC;AACf,CAAC,CAAC;AA9BW,QAAA,MAAM,UA8BjB"}
\ No newline at end of file
diff --git a/node_modules/sift/src/utils.ts b/node_modules/sift/src/utils.ts
new file mode 100644
index 000000000..a4ff6f97b
--- /dev/null
+++ b/node_modules/sift/src/utils.ts
@@ -0,0 +1,68 @@
+export type Key = string | number;
+export type Comparator = (a, b) => boolean;
+export const typeChecker = <TType>(type) => {
+  const typeString = "[object " + type + "]";
+  return function(value): value is TType {
+    return getClassName(value) === typeString;
+  };
+};
+
+const getClassName = value => Object.prototype.toString.call(value);
+
+export const comparable = (value: any) => {
+  if (value instanceof Date) {
+    return value.getTime();
+  } else if (isArray(value)) {
+    return value.map(comparable);
+  } else if (value && typeof value.toJSON === "function") {
+    return value.toJSON();
+  }
+
+  return value;
+};
+
+export const isArray = typeChecker<Array<any>>("Array");
+export const isObject = typeChecker<Object>("Object");
+export const isFunction = typeChecker<Function>("Function");
+export const isVanillaObject = value => {
+  return (
+    value &&
+    (value.constructor === Object ||
+      value.constructor === Array ||
+      value.constructor.toString() === "function Object() { [native code] }" ||
+      value.constructor.toString() === "function Array() { [native code] }") &&
+    !value.toJSON
+  );
+};
+
+export const equals = (a, b) => {
+  if (a == null && a == b) {
+    return true;
+  }
+  if (a === b) {
+    return true;
+  }
+
+  if (Object.prototype.toString.call(a) !== Object.prototype.toString.call(b)) {
+    return false;
+  }
+
+  if (isArray(a)) {
+    if (a.length !== b.length) {
+      return false;
+    }
+    for (let i = 0, { length } = a; i < length; i++) {
+      if (!equals(a[i], b[i])) return false;
+    }
+    return true;
+  } else if (isObject(a)) {
+    if (Object.keys(a).length !== Object.keys(b).length) {
+      return false;
+    }
+    for (const key in a) {
+      if (!equals(a[key], b[key])) return false;
+    }
+    return true;
+  }
+  return false;
+};
diff --git a/node_modules/smart-buffer/.prettierrc.yaml b/node_modules/smart-buffer/.prettierrc.yaml
new file mode 100644
index 000000000..9a4f5ed75
--- /dev/null
+++ b/node_modules/smart-buffer/.prettierrc.yaml
@@ -0,0 +1,5 @@
+parser: typescript
+printWidth: 120
+tabWidth: 2
+singleQuote: true
+trailingComma: none
\ No newline at end of file
diff --git a/node_modules/smart-buffer/.travis.yml b/node_modules/smart-buffer/.travis.yml
new file mode 100644
index 000000000..eec71ceca
--- /dev/null
+++ b/node_modules/smart-buffer/.travis.yml
@@ -0,0 +1,13 @@
+language: node_js
+node_js:
+  - 6
+  - 8
+  - 10
+  - 12
+  - stable
+
+before_script:
+  - npm install -g typescript
+  - tsc -p ./
+
+script: "npm run coveralls"
\ No newline at end of file
diff --git a/node_modules/smart-buffer/LICENSE b/node_modules/smart-buffer/LICENSE
new file mode 100644
index 000000000..aab5771a9
--- /dev/null
+++ b/node_modules/smart-buffer/LICENSE
@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2013-2017 Josh Glazebrook
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/smart-buffer/README.md b/node_modules/smart-buffer/README.md
new file mode 100644
index 000000000..6e498288e
--- /dev/null
+++ b/node_modules/smart-buffer/README.md
@@ -0,0 +1,633 @@
+smart-buffer  [![Build Status](https://travis-ci.org/JoshGlazebrook/smart-buffer.svg?branch=master)](https://travis-ci.org/JoshGlazebrook/smart-buffer)  [![Coverage Status](https://coveralls.io/repos/github/JoshGlazebrook/smart-buffer/badge.svg?branch=master)](https://coveralls.io/github/JoshGlazebrook/smart-buffer?branch=master)
+=============
+
+smart-buffer is a Buffer wrapper that adds automatic read & write offset tracking, string operations, data insertions, and more.
+
+![stats](https://nodei.co/npm/smart-buffer.png?downloads=true&downloadRank=true&stars=true "stats")
+
+**Key Features**:
+* Proxies all of the Buffer write and read functions
+* Keeps track of read and write offsets automatically
+* Grows the internal Buffer as needed
+* Useful string operations. (Null terminating strings)
+* Allows for inserting values at specific points in the Buffer
+* Built in TypeScript
+* Type Definitions Provided
+* Browser Support (using Webpack/Browserify)
+* Full test coverage
+
+**Requirements**:
+* Node v4.0+ is supported at this time.  (Versions prior to 2.0 will work on node 0.10)
+
+
+
+## Breaking Changes in v4.0
+
+* Old constructor patterns have been completely removed. It's now required to use the SmartBuffer.fromXXX() factory constructors.
+* rewind(), skip(), moveTo() have been removed. (see [offsets](#offsets))
+* Internal private properties are now prefixed with underscores (_)
+* **All** writeXXX() methods that are given an offset will now **overwrite data** instead of insert. (see [write vs insert](#write-vs-insert))
+* insertXXX() methods have been added for when you want to insert data at a specific offset (this replaces the old behavior of writeXXX() when an offset was provided)
+
+
+## Looking for v3 docs?
+
+Legacy documentation for version 3 and prior can be found [here](https://github.com/JoshGlazebrook/smart-buffer/blob/master/docs/README_v3.md).
+
+## Installing:
+
+`yarn add smart-buffer`
+
+or
+
+`npm install smart-buffer`
+
+Note: The published NPM package includes the built javascript library.
+If you cloned this repo and wish to build the library manually use:
+
+`npm run build`
+
+## Using smart-buffer
+
+```javascript
+// Javascript
+const SmartBuffer = require('smart-buffer').SmartBuffer;
+
+// Typescript
+import { SmartBuffer, SmartBufferOptions} from 'smart-buffer';
+```
+
+### Simple Example
+
+Building a packet that uses the following protocol specification:
+
+`[PacketType:2][PacketLength:2][Data:XX]`
+
+To build this packet using the vanilla Buffer class, you would have to count up the length of the data payload beforehand. You would also need to keep track of the current "cursor" position in your Buffer so you write everything in the right places. With smart-buffer you don't have to do either of those things.
+
+```javascript
+function createLoginPacket(username, password, age, country) {
+    const packet = new SmartBuffer();
+    packet.writeUInt16LE(0x0060); // Some packet type
+    packet.writeStringNT(username);
+    packet.writeStringNT(password);
+    packet.writeUInt8(age);
+    packet.writeStringNT(country);
+    packet.insertUInt16LE(packet.length - 2, 2);
+
+    return packet.toBuffer();
+}
+```
+With the above function, you now can do this:
+```javascript
+const login = createLoginPacket("Josh", "secret123", 22, "United States");
+
+// <Buffer 60 00 1e 00 4a 6f 73 68 00 73 65 63 72 65 74 31 32 33 00 16 55 6e 69 74 65 64 20 53 74 61 74 65 73 00>
+```
+Notice that the `[PacketLength:2]` value (1e 00) was inserted at position 2.
+
+Reading back the packet we created above is just as easy:
+```javascript
+
+const reader = SmartBuffer.fromBuffer(login);
+
+const logininfo = {
+    packetType: reader.readUInt16LE(),
+    packetLength: reader.readUInt16LE(),
+    username: reader.readStringNT(),
+    password: reader.readStringNT(),
+    age: reader.readUInt8(),
+    country: reader.readStringNT()
+};
+
+/*
+{
+    packetType: 96, (0x0060)
+    packetLength: 30,
+    username: 'Josh',
+    password: 'secret123',
+    age: 22,
+    country: 'United States'
+}
+*/
+```
+
+
+## Write vs Insert
+In prior versions of SmartBuffer, .writeXXX(value, offset) calls would insert data when an offset was provided. In version 4, this will now overwrite the data at the offset position. To insert data there are now corresponding .insertXXX(value, offset) methods.
+
+**SmartBuffer v3**:
+```javascript
+const buff = SmartBuffer.fromBuffer(new Buffer([1,2,3,4,5,6]));
+buff.writeInt8(7, 2);
+console.log(buff.toBuffer())
+
+// <Buffer 01 02 07 03 04 05 06>
+```
+
+**SmartBuffer v4**:
+```javascript
+const buff = SmartBuffer.fromBuffer(new Buffer([1,2,3,4,5,6]));
+buff.writeInt8(7, 2);
+console.log(buff.toBuffer());
+
+// <Buffer 01 02 07 04 05 06>
+```
+
+To insert you instead should use:
+```javascript
+const buff = SmartBuffer.fromBuffer(new Buffer([1,2,3,4,5,6]));
+buff.insertInt8(7, 2);
+console.log(buff.toBuffer());
+
+// <Buffer 01 02 07 03 04 05 06>
+```
+
+**Note:** Insert/Writing to a position beyond the currently tracked internal Buffer will zero pad to your offset.
+
+## Constructing a smart-buffer
+
+There are a few different ways to construct a SmartBuffer instance.
+
+```javascript
+// Creating SmartBuffer from existing Buffer
+const buff = SmartBuffer.fromBuffer(buffer); // Creates instance from buffer. (Uses default utf8 encoding)
+const buff = SmartBuffer.fromBuffer(buffer, 'ascii'); // Creates instance from buffer with ascii encoding for strings.
+
+// Creating SmartBuffer with specified internal Buffer size. (Note: this is not a hard cap, the internal buffer will grow as needed).
+const buff = SmartBuffer.fromSize(1024); // Creates instance with internal Buffer size of 1024.
+const buff = SmartBuffer.fromSize(1024, 'utf8'); // Creates instance with internal Buffer size of 1024, and utf8 encoding for strings.
+
+// Creating SmartBuffer with options object. This one specifies size and encoding.
+const buff = SmartBuffer.fromOptions({
+    size: 1024,
+    encoding: 'ascii'
+});
+
+// Creating SmartBuffer with options object. This one specified an existing Buffer.
+const buff = SmartBuffer.fromOptions({
+    buff: buffer
+});
+
+// Creating SmartBuffer from a string.
+const buff = SmartBuffer.fromBuffer(Buffer.from('some string', 'utf8'));
+
+// Just want a regular SmartBuffer with all default options?
+const buff = new SmartBuffer();
+```
+
+# Api Reference:
+
+**Note:** SmartBuffer is fully documented with Typescript definitions as well as jsdocs so your favorite editor/IDE will have intellisense.
+
+**Table of Contents**
+
+1. [Constructing](#constructing)
+2. **Numbers**
+    1. [Integers](#integers)
+    2. [Floating Points](#floating-point-numbers)
+3. **Strings**
+    1. [Strings](#strings)
+    2. [Null Terminated Strings](#null-terminated-strings)
+4. [Buffers](#buffers)
+5. [Offsets](#offsets)
+6. [Other](#other)
+
+
+## Constructing
+
+### constructor()
+### constructor([options])
+- ```options``` *{SmartBufferOptions}* An optional options object to construct a SmartBuffer with.
+
+Examples:
+```javascript
+const buff = new SmartBuffer();
+const buff = new SmartBuffer({
+    size: 1024,
+    encoding: 'ascii'
+});
+```
+
+### Class Method: fromBuffer(buffer[, encoding])
+- ```buffer``` *{Buffer}* The Buffer instance to wrap.
+- ```encoding``` *{string}* The string encoding to use. ```Default: 'utf8'```
+
+Examples:
+```javascript
+const someBuffer = Buffer.from('some string');
+const buff = SmartBuffer.fromBuffer(someBuffer); // Defaults to utf8
+const buff = SmartBuffer.fromBuffer(someBuffer, 'ascii');
+```
+
+### Class Method: fromSize(size[, encoding])
+- ```size``` *{number}* The size to initialize the internal Buffer.
+- ```encoding``` *{string}* The string encoding to use. ```Default: 'utf8'```
+
+Examples:
+```javascript
+const buff = SmartBuffer.fromSize(1024); // Defaults to utf8
+const buff = SmartBuffer.fromSize(1024, 'ascii');
+```
+
+### Class Method: fromOptions(options)
+- ```options``` *{SmartBufferOptions}* The Buffer instance to wrap.
+
+```typescript
+interface SmartBufferOptions {
+    encoding?: BufferEncoding; // Defaults to utf8
+    size?: number; // Defaults to 4096
+    buff?: Buffer;
+}
+```
+
+Examples:
+```javascript
+const buff = SmartBuffer.fromOptions({
+    size: 1024
+};
+const buff = SmartBuffer.fromOptions({
+    size: 1024,
+    encoding: 'utf8'
+});
+const buff = SmartBuffer.fromOptions({
+    encoding: 'utf8'
+});
+
+const someBuff = Buffer.from('some string', 'utf8');
+const buff = SmartBuffer.fromOptions({
+    buffer: someBuff,
+    encoding: 'utf8'
+});
+```
+
+## Integers
+
+### buff.readInt8([offset])
+### buff.readUInt8([offset])
+- ```offset``` *{number}* Optional position to start reading data from. **Default**: ```Auto managed offset```
+- Returns *{number}*
+
+Read a Int8 value.
+
+### buff.readInt16BE([offset])
+### buff.readInt16LE([offset])
+### buff.readUInt16BE([offset])
+### buff.readUInt16LE([offset])
+- ```offset``` *{number}* Optional position to start reading data from. **Default**: ```Auto managed offset```
+- Returns *{number}*
+
+Read a 16 bit integer value.
+
+### buff.readInt32BE([offset])
+### buff.readInt32LE([offset])
+### buff.readUInt32BE([offset])
+### buff.readUInt32LE([offset])
+- ```offset``` *{number}* Optional position to start reading data from. **Default**: ```Auto managed offset```
+- Returns *{number}*
+
+Read a 32 bit integer value.
+
+
+### buff.writeInt8(value[, offset])
+### buff.writeUInt8(value[, offset])
+- ```value``` *{number}* The value to write.
+- ```offset``` *{number}* An optional offset to write this value to. **Default:** ```Auto managed offset```
+- Returns *{this}*
+
+Write a Int8 value.
+
+### buff.insertInt8(value, offset)
+### buff.insertUInt8(value, offset)
+- ```value``` *{number}* The value to insert.
+- ```offset``` *{number}* The offset to insert this data at.
+- Returns *{this}*
+
+Insert a Int8 value.
+
+
+### buff.writeInt16BE(value[, offset])
+### buff.writeInt16LE(value[, offset])
+### buff.writeUInt16BE(value[, offset])
+### buff.writeUInt16LE(value[, offset])
+- ```value``` *{number}* The value to write.
+- ```offset``` *{number}* An optional offset to write this value to. **Default:** ```Auto managed offset```
+- Returns *{this}*
+
+Write a 16 bit integer value.
+
+### buff.insertInt16BE(value, offset)
+### buff.insertInt16LE(value, offset)
+### buff.insertUInt16BE(value, offset)
+### buff.insertUInt16LE(value, offset)
+- ```value``` *{number}* The value to insert.
+- ```offset``` *{number}* The offset to insert this data at.
+- Returns *{this}*
+
+Insert a 16 bit integer value.
+
+
+### buff.writeInt32BE(value[, offset])
+### buff.writeInt32LE(value[, offset])
+### buff.writeUInt32BE(value[, offset])
+### buff.writeUInt32LE(value[, offset])
+- ```value``` *{number}* The value to write.
+- ```offset``` *{number}* An optional offset to write this value to. **Default:** ```Auto managed offset```
+- Returns *{this}*
+
+Write a 32 bit integer value.
+
+### buff.insertInt32BE(value, offset)
+### buff.insertInt32LE(value, offset)
+### buff.insertUInt32BE(value, offset)
+### buff.nsertUInt32LE(value, offset)
+- ```value``` *{number}* The value to insert.
+- ```offset``` *{number}* The offset to insert this data at.
+- Returns *{this}*
+
+Insert a 32 bit integer value.
+
+
+## Floating Point Numbers
+
+### buff.readFloatBE([offset])
+### buff.readFloatLE([offset])
+- ```offset``` *{number}* Optional position to start reading data from. **Default**: ```Auto managed offset```
+- Returns *{number}*
+
+Read a Float value.
+
+### buff.readDoubleBE([offset])
+### buff.readDoubleLE([offset])
+- ```offset``` *{number}* Optional position to start reading data from. **Default**: ```Auto managed offset```
+- Returns *{number}*
+
+Read a Double value.
+
+
+### buff.writeFloatBE(value[, offset])
+### buff.writeFloatLE(value[, offset])
+- ```value``` *{number}* The value to write.
+- ```offset``` *{number}* An optional offset to write this value to. **Default:** ```Auto managed offset```
+- Returns *{this}*
+
+Write a Float value.
+
+### buff.insertFloatBE(value, offset)
+### buff.insertFloatLE(value, offset)
+- ```value``` *{number}* The value to insert.
+- ```offset``` *{number}* The offset to insert this data at.
+- Returns *{this}*
+
+Insert a Float value.
+
+
+### buff.writeDoubleBE(value[, offset])
+### buff.writeDoubleLE(value[, offset])
+- ```value``` *{number}* The value to write.
+- ```offset``` *{number}* An optional offset to write this value to. **Default:** ```Auto managed offset```
+- Returns *{this}*
+
+Write a Double value.
+
+### buff.insertDoubleBE(value, offset)
+### buff.insertDoubleLE(value, offset)
+- ```value``` *{number}* The value to insert.
+- ```offset``` *{number}* The offset to insert this data at.
+- Returns *{this}*
+
+Insert a Double value.
+
+## Strings
+
+### buff.readString()
+### buff.readString(size[, encoding])
+### buff.readString(encoding)
+- ```size``` *{number}* The number of bytes to read. **Default:** ```Reads to the end of the Buffer.```
+- ```encoding``` *{string}* The string encoding to use. **Default:** ```utf8```.
+
+Read a string value.
+
+Examples:
+```javascript
+const buff = SmartBuffer.fromBuffer(Buffer.from('hello there', 'utf8'));
+buff.readString(); // 'hello there'
+buff.readString(2); // 'he'
+buff.readString(2, 'utf8'); // 'he'
+buff.readString('utf8'); // 'hello there'
+```
+
+### buff.writeString(value)
+### buff.writeString(value[, offset])
+### buff.writeString(value[, encoding])
+### buff.writeString(value[, offset[, encoding]])
+- ```value``` *{string}* The string value to write.
+- ```offset``` *{number}* The offset to write this value to. **Default:** ```Auto managed offset```
+- ```encoding``` *{string}* An optional string encoding to use. **Default:** ```utf8```
+
+Write a string value.
+
+Examples:
+```javascript
+buff.writeString('hello'); // Auto managed offset
+buff.writeString('hello', 2);
+buff.writeString('hello', 'utf8') // Auto managed offset
+buff.writeString('hello', 2, 'utf8');
+```
+
+### buff.insertString(value, offset[, encoding])
+- ```value``` *{string}* The string value to write.
+- ```offset``` *{number}* The offset to write this value to.
+- ```encoding``` *{string}* An optional string encoding to use. **Default:** ```utf8```
+
+Insert a string value.
+
+Examples:
+```javascript
+buff.insertString('hello', 2);
+buff.insertString('hello', 2, 'utf8');
+```
+
+## Null Terminated Strings
+
+### buff.readStringNT()
+### buff.readStringNT(encoding)
+- ```encoding``` *{string}* The string encoding to use. **Default:** ```utf8```.
+
+Read a null terminated string value. (If a null is not found, it will read to the end of the Buffer).
+
+Examples:
+```javascript
+const buff = SmartBuffer.fromBuffer(Buffer.from('hello\0 there', 'utf8'));
+buff.readStringNT(); // 'hello'
+
+// If we called this again:
+buff.readStringNT(); // ' there'
+```
+
+### buff.writeStringNT(value)
+### buff.writeStringNT(value[, offset])
+### buff.writeStringNT(value[, encoding])
+### buff.writeStringNT(value[, offset[, encoding]])
+- ```value``` *{string}* The string value to write.
+- ```offset``` *{number}* The offset to write this value to. **Default:** ```Auto managed offset```
+- ```encoding``` *{string}* An optional string encoding to use. **Default:** ```utf8```
+
+Write a null terminated string value.
+
+Examples:
+```javascript
+buff.writeStringNT('hello'); // Auto managed offset   <Buffer 68 65 6c 6c 6f 00>
+buff.writeStringNT('hello', 2); // <Buffer 00 00 68 65 6c 6c 6f 00>
+buff.writeStringNT('hello', 'utf8') // Auto managed offset
+buff.writeStringNT('hello', 2, 'utf8');
+```
+
+### buff.insertStringNT(value, offset[, encoding])
+- ```value``` *{string}* The string value to write.
+- ```offset``` *{number}* The offset to write this value to.
+- ```encoding``` *{string}* An optional string encoding to use. **Default:** ```utf8```
+
+Insert a null terminated string value.
+
+Examples:
+```javascript
+buff.insertStringNT('hello', 2);
+buff.insertStringNT('hello', 2, 'utf8');
+```
+
+## Buffers
+
+### buff.readBuffer([length])
+- ```length``` *{number}* The number of bytes to read into a Buffer. **Default:** ```Reads to the end of the Buffer```
+
+Read a Buffer of a specified size.
+
+### buff.writeBuffer(value[, offset])
+- ```value``` *{Buffer}* The buffer value to write.
+- ```offset``` *{number}* An optional offset to write the value to. **Default:** ```Auto managed offset```
+
+### buff.insertBuffer(value, offset)
+- ```value``` *{Buffer}* The buffer value to write.
+- ```offset``` *{number}* The offset to write the value to.
+
+
+### buff.readBufferNT()
+
+Read a null terminated Buffer.
+
+### buff.writeBufferNT(value[, offset])
+- ```value``` *{Buffer}* The buffer value to write.
+- ```offset``` *{number}* An optional offset to write the value to. **Default:** ```Auto managed offset```
+
+Write a null terminated Buffer.
+
+
+### buff.insertBufferNT(value, offset)
+- ```value``` *{Buffer}* The buffer value to write.
+- ```offset``` *{number}* The offset to write the value to.
+
+Insert a null terminated Buffer.
+
+
+## Offsets
+
+### buff.readOffset
+### buff.readOffset(offset)
+- ```offset``` *{number}* The new read offset value to set.
+- Returns: ```The current read offset```
+
+Gets or sets the current read offset.
+
+Examples:
+```javascript
+const currentOffset = buff.readOffset; // 5
+
+buff.readOffset = 10;
+
+console.log(buff.readOffset) // 10
+```
+
+### buff.writeOffset
+### buff.writeOffset(offset)
+- ```offset``` *{number}* The new write offset value to set.
+- Returns: ```The current write offset```
+
+Gets or sets the current write offset.
+
+Examples:
+```javascript
+const currentOffset = buff.writeOffset; // 5
+
+buff.writeOffset = 10;
+
+console.log(buff.writeOffset) // 10
+```
+
+### buff.encoding
+### buff.encoding(encoding)
+- ```encoding``` *{string}* The new string encoding to set.
+- Returns: ```The current string encoding```
+
+Gets or sets the current string encoding.
+
+Examples:
+```javascript
+const currentEncoding = buff.encoding; // 'utf8'
+
+buff.encoding = 'ascii';
+
+console.log(buff.encoding) // 'ascii'
+```
+
+## Other
+
+### buff.clear()
+
+Clear and resets the SmartBuffer instance.
+
+### buff.remaining()
+- Returns ```Remaining data left to be read```
+
+Gets the number of remaining bytes to be read.
+
+
+### buff.internalBuffer
+- Returns: *{Buffer}*
+
+Gets the internally managed Buffer (Includes unmanaged data).
+
+Examples:
+```javascript
+const buff = SmartBuffer.fromSize(16);
+buff.writeString('hello');
+console.log(buff.InternalBuffer); // <Buffer 68 65 6c 6c 6f 00 00 00 00 00 00 00 00 00 00 00>
+```
+
+### buff.toBuffer()
+- Returns: *{Buffer}*
+
+Gets a sliced Buffer instance of the internally managed Buffer. (Only includes managed data)
+
+Examples:
+```javascript
+const buff = SmartBuffer.fromSize(16);
+buff.writeString('hello');
+console.log(buff.toBuffer()); // <Buffer 68 65 6c 6c 6f>
+```
+
+### buff.toString([encoding])
+- ```encoding``` *{string}* The string encoding to use when converting to a string. **Default:** ```utf8```
+- Returns *{string}*
+
+Gets a string representation of all data in the SmartBuffer.
+
+### buff.destroy()
+
+Destroys the SmartBuffer instance.
+
+
+
+## License
+
+This work is licensed under the [MIT license](http://en.wikipedia.org/wiki/MIT_License).
diff --git a/node_modules/smart-buffer/build/smartbuffer.js b/node_modules/smart-buffer/build/smartbuffer.js
new file mode 100644
index 000000000..5353ae11d
--- /dev/null
+++ b/node_modules/smart-buffer/build/smartbuffer.js
@@ -0,0 +1,1233 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const utils_1 = require("./utils");
+// The default Buffer size if one is not provided.
+const DEFAULT_SMARTBUFFER_SIZE = 4096;
+// The default string encoding to use for reading/writing strings.
+const DEFAULT_SMARTBUFFER_ENCODING = 'utf8';
+class SmartBuffer {
+    /**
+     * Creates a new SmartBuffer instance.
+     *
+     * @param options { SmartBufferOptions } The SmartBufferOptions to apply to this instance.
+     */
+    constructor(options) {
+        this.length = 0;
+        this._encoding = DEFAULT_SMARTBUFFER_ENCODING;
+        this._writeOffset = 0;
+        this._readOffset = 0;
+        if (SmartBuffer.isSmartBufferOptions(options)) {
+            // Checks for encoding
+            if (options.encoding) {
+                utils_1.checkEncoding(options.encoding);
+                this._encoding = options.encoding;
+            }
+            // Checks for initial size length
+            if (options.size) {
+                if (utils_1.isFiniteInteger(options.size) && options.size > 0) {
+                    this._buff = Buffer.allocUnsafe(options.size);
+                }
+                else {
+                    throw new Error(utils_1.ERRORS.INVALID_SMARTBUFFER_SIZE);
+                }
+                // Check for initial Buffer
+            }
+            else if (options.buff) {
+                if (Buffer.isBuffer(options.buff)) {
+                    this._buff = options.buff;
+                    this.length = options.buff.length;
+                }
+                else {
+                    throw new Error(utils_1.ERRORS.INVALID_SMARTBUFFER_BUFFER);
+                }
+            }
+            else {
+                this._buff = Buffer.allocUnsafe(DEFAULT_SMARTBUFFER_SIZE);
+            }
+        }
+        else {
+            // If something was passed but it's not a SmartBufferOptions object
+            if (typeof options !== 'undefined') {
+                throw new Error(utils_1.ERRORS.INVALID_SMARTBUFFER_OBJECT);
+            }
+            // Otherwise default to sane options
+            this._buff = Buffer.allocUnsafe(DEFAULT_SMARTBUFFER_SIZE);
+        }
+    }
+    /**
+     * Creates a new SmartBuffer instance with the provided internal Buffer size and optional encoding.
+     *
+     * @param size { Number } The size of the internal Buffer.
+     * @param encoding { String } The BufferEncoding to use for strings.
+     *
+     * @return { SmartBuffer }
+     */
+    static fromSize(size, encoding) {
+        return new this({
+            size: size,
+            encoding: encoding
+        });
+    }
+    /**
+     * Creates a new SmartBuffer instance with the provided Buffer and optional encoding.
+     *
+     * @param buffer { Buffer } The Buffer to use as the internal Buffer value.
+     * @param encoding { String } The BufferEncoding to use for strings.
+     *
+     * @return { SmartBuffer }
+     */
+    static fromBuffer(buff, encoding) {
+        return new this({
+            buff: buff,
+            encoding: encoding
+        });
+    }
+    /**
+     * Creates a new SmartBuffer instance with the provided SmartBufferOptions options.
+     *
+     * @param options { SmartBufferOptions } The options to use when creating the SmartBuffer instance.
+     */
+    static fromOptions(options) {
+        return new this(options);
+    }
+    /**
+     * Type checking function that determines if an object is a SmartBufferOptions object.
+     */
+    static isSmartBufferOptions(options) {
+        const castOptions = options;
+        return (castOptions &&
+            (castOptions.encoding !== undefined || castOptions.size !== undefined || castOptions.buff !== undefined));
+    }
+    // Signed integers
+    /**
+     * Reads an Int8 value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readInt8(offset) {
+        return this._readNumberValue(Buffer.prototype.readInt8, 1, offset);
+    }
+    /**
+     * Reads an Int16BE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readInt16BE(offset) {
+        return this._readNumberValue(Buffer.prototype.readInt16BE, 2, offset);
+    }
+    /**
+     * Reads an Int16LE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readInt16LE(offset) {
+        return this._readNumberValue(Buffer.prototype.readInt16LE, 2, offset);
+    }
+    /**
+     * Reads an Int32BE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readInt32BE(offset) {
+        return this._readNumberValue(Buffer.prototype.readInt32BE, 4, offset);
+    }
+    /**
+     * Reads an Int32LE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readInt32LE(offset) {
+        return this._readNumberValue(Buffer.prototype.readInt32LE, 4, offset);
+    }
+    /**
+     * Reads a BigInt64BE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { BigInt }
+     */
+    readBigInt64BE(offset) {
+        utils_1.bigIntAndBufferInt64Check('readBigInt64BE');
+        return this._readNumberValue(Buffer.prototype.readBigInt64BE, 8, offset);
+    }
+    /**
+     * Reads a BigInt64LE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { BigInt }
+     */
+    readBigInt64LE(offset) {
+        utils_1.bigIntAndBufferInt64Check('readBigInt64LE');
+        return this._readNumberValue(Buffer.prototype.readBigInt64LE, 8, offset);
+    }
+    /**
+     * Writes an Int8 value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeInt8(value, offset) {
+        this._writeNumberValue(Buffer.prototype.writeInt8, 1, value, offset);
+        return this;
+    }
+    /**
+     * Inserts an Int8 value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertInt8(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeInt8, 1, value, offset);
+    }
+    /**
+     * Writes an Int16BE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeInt16BE(value, offset) {
+        return this._writeNumberValue(Buffer.prototype.writeInt16BE, 2, value, offset);
+    }
+    /**
+     * Inserts an Int16BE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertInt16BE(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeInt16BE, 2, value, offset);
+    }
+    /**
+     * Writes an Int16LE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeInt16LE(value, offset) {
+        return this._writeNumberValue(Buffer.prototype.writeInt16LE, 2, value, offset);
+    }
+    /**
+     * Inserts an Int16LE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertInt16LE(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeInt16LE, 2, value, offset);
+    }
+    /**
+     * Writes an Int32BE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeInt32BE(value, offset) {
+        return this._writeNumberValue(Buffer.prototype.writeInt32BE, 4, value, offset);
+    }
+    /**
+     * Inserts an Int32BE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertInt32BE(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeInt32BE, 4, value, offset);
+    }
+    /**
+     * Writes an Int32LE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeInt32LE(value, offset) {
+        return this._writeNumberValue(Buffer.prototype.writeInt32LE, 4, value, offset);
+    }
+    /**
+     * Inserts an Int32LE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertInt32LE(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeInt32LE, 4, value, offset);
+    }
+    /**
+     * Writes a BigInt64BE value to the current write position (or at optional offset).
+     *
+     * @param value { BigInt } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeBigInt64BE(value, offset) {
+        utils_1.bigIntAndBufferInt64Check('writeBigInt64BE');
+        return this._writeNumberValue(Buffer.prototype.writeBigInt64BE, 8, value, offset);
+    }
+    /**
+     * Inserts a BigInt64BE value at the given offset value.
+     *
+     * @param value { BigInt } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertBigInt64BE(value, offset) {
+        utils_1.bigIntAndBufferInt64Check('writeBigInt64BE');
+        return this._insertNumberValue(Buffer.prototype.writeBigInt64BE, 8, value, offset);
+    }
+    /**
+     * Writes a BigInt64LE value to the current write position (or at optional offset).
+     *
+     * @param value { BigInt } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeBigInt64LE(value, offset) {
+        utils_1.bigIntAndBufferInt64Check('writeBigInt64LE');
+        return this._writeNumberValue(Buffer.prototype.writeBigInt64LE, 8, value, offset);
+    }
+    /**
+     * Inserts a Int64LE value at the given offset value.
+     *
+     * @param value { BigInt } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertBigInt64LE(value, offset) {
+        utils_1.bigIntAndBufferInt64Check('writeBigInt64LE');
+        return this._insertNumberValue(Buffer.prototype.writeBigInt64LE, 8, value, offset);
+    }
+    // Unsigned Integers
+    /**
+     * Reads an UInt8 value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readUInt8(offset) {
+        return this._readNumberValue(Buffer.prototype.readUInt8, 1, offset);
+    }
+    /**
+     * Reads an UInt16BE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readUInt16BE(offset) {
+        return this._readNumberValue(Buffer.prototype.readUInt16BE, 2, offset);
+    }
+    /**
+     * Reads an UInt16LE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readUInt16LE(offset) {
+        return this._readNumberValue(Buffer.prototype.readUInt16LE, 2, offset);
+    }
+    /**
+     * Reads an UInt32BE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readUInt32BE(offset) {
+        return this._readNumberValue(Buffer.prototype.readUInt32BE, 4, offset);
+    }
+    /**
+     * Reads an UInt32LE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readUInt32LE(offset) {
+        return this._readNumberValue(Buffer.prototype.readUInt32LE, 4, offset);
+    }
+    /**
+     * Reads a BigUInt64BE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { BigInt }
+     */
+    readBigUInt64BE(offset) {
+        utils_1.bigIntAndBufferInt64Check('readBigUInt64BE');
+        return this._readNumberValue(Buffer.prototype.readBigUInt64BE, 8, offset);
+    }
+    /**
+     * Reads a BigUInt64LE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { BigInt }
+     */
+    readBigUInt64LE(offset) {
+        utils_1.bigIntAndBufferInt64Check('readBigUInt64LE');
+        return this._readNumberValue(Buffer.prototype.readBigUInt64LE, 8, offset);
+    }
+    /**
+     * Writes an UInt8 value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeUInt8(value, offset) {
+        return this._writeNumberValue(Buffer.prototype.writeUInt8, 1, value, offset);
+    }
+    /**
+     * Inserts an UInt8 value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertUInt8(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeUInt8, 1, value, offset);
+    }
+    /**
+     * Writes an UInt16BE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeUInt16BE(value, offset) {
+        return this._writeNumberValue(Buffer.prototype.writeUInt16BE, 2, value, offset);
+    }
+    /**
+     * Inserts an UInt16BE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertUInt16BE(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeUInt16BE, 2, value, offset);
+    }
+    /**
+     * Writes an UInt16LE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeUInt16LE(value, offset) {
+        return this._writeNumberValue(Buffer.prototype.writeUInt16LE, 2, value, offset);
+    }
+    /**
+     * Inserts an UInt16LE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertUInt16LE(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeUInt16LE, 2, value, offset);
+    }
+    /**
+     * Writes an UInt32BE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeUInt32BE(value, offset) {
+        return this._writeNumberValue(Buffer.prototype.writeUInt32BE, 4, value, offset);
+    }
+    /**
+     * Inserts an UInt32BE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertUInt32BE(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeUInt32BE, 4, value, offset);
+    }
+    /**
+     * Writes an UInt32LE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeUInt32LE(value, offset) {
+        return this._writeNumberValue(Buffer.prototype.writeUInt32LE, 4, value, offset);
+    }
+    /**
+     * Inserts an UInt32LE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertUInt32LE(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeUInt32LE, 4, value, offset);
+    }
+    /**
+     * Writes a BigUInt64BE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeBigUInt64BE(value, offset) {
+        utils_1.bigIntAndBufferInt64Check('writeBigUInt64BE');
+        return this._writeNumberValue(Buffer.prototype.writeBigUInt64BE, 8, value, offset);
+    }
+    /**
+     * Inserts a BigUInt64BE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertBigUInt64BE(value, offset) {
+        utils_1.bigIntAndBufferInt64Check('writeBigUInt64BE');
+        return this._insertNumberValue(Buffer.prototype.writeBigUInt64BE, 8, value, offset);
+    }
+    /**
+     * Writes a BigUInt64LE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeBigUInt64LE(value, offset) {
+        utils_1.bigIntAndBufferInt64Check('writeBigUInt64LE');
+        return this._writeNumberValue(Buffer.prototype.writeBigUInt64LE, 8, value, offset);
+    }
+    /**
+     * Inserts a BigUInt64LE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertBigUInt64LE(value, offset) {
+        utils_1.bigIntAndBufferInt64Check('writeBigUInt64LE');
+        return this._insertNumberValue(Buffer.prototype.writeBigUInt64LE, 8, value, offset);
+    }
+    // Floating Point
+    /**
+     * Reads an FloatBE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readFloatBE(offset) {
+        return this._readNumberValue(Buffer.prototype.readFloatBE, 4, offset);
+    }
+    /**
+     * Reads an FloatLE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readFloatLE(offset) {
+        return this._readNumberValue(Buffer.prototype.readFloatLE, 4, offset);
+    }
+    /**
+     * Writes a FloatBE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeFloatBE(value, offset) {
+        return this._writeNumberValue(Buffer.prototype.writeFloatBE, 4, value, offset);
+    }
+    /**
+     * Inserts a FloatBE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertFloatBE(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeFloatBE, 4, value, offset);
+    }
+    /**
+     * Writes a FloatLE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeFloatLE(value, offset) {
+        return this._writeNumberValue(Buffer.prototype.writeFloatLE, 4, value, offset);
+    }
+    /**
+     * Inserts a FloatLE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertFloatLE(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeFloatLE, 4, value, offset);
+    }
+    // Double Floating Point
+    /**
+     * Reads an DoublEBE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readDoubleBE(offset) {
+        return this._readNumberValue(Buffer.prototype.readDoubleBE, 8, offset);
+    }
+    /**
+     * Reads an DoubleLE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readDoubleLE(offset) {
+        return this._readNumberValue(Buffer.prototype.readDoubleLE, 8, offset);
+    }
+    /**
+     * Writes a DoubleBE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeDoubleBE(value, offset) {
+        return this._writeNumberValue(Buffer.prototype.writeDoubleBE, 8, value, offset);
+    }
+    /**
+     * Inserts a DoubleBE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertDoubleBE(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeDoubleBE, 8, value, offset);
+    }
+    /**
+     * Writes a DoubleLE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeDoubleLE(value, offset) {
+        return this._writeNumberValue(Buffer.prototype.writeDoubleLE, 8, value, offset);
+    }
+    /**
+     * Inserts a DoubleLE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertDoubleLE(value, offset) {
+        return this._insertNumberValue(Buffer.prototype.writeDoubleLE, 8, value, offset);
+    }
+    // Strings
+    /**
+     * Reads a String from the current read position.
+     *
+     * @param arg1 { Number | String } The number of bytes to read as a String, or the BufferEncoding to use for
+     *             the string (Defaults to instance level encoding).
+     * @param encoding { String } The BufferEncoding to use for the string (Defaults to instance level encoding).
+     *
+     * @return { String }
+     */
+    readString(arg1, encoding) {
+        let lengthVal;
+        // Length provided
+        if (typeof arg1 === 'number') {
+            utils_1.checkLengthValue(arg1);
+            lengthVal = Math.min(arg1, this.length - this._readOffset);
+        }
+        else {
+            encoding = arg1;
+            lengthVal = this.length - this._readOffset;
+        }
+        // Check encoding
+        if (typeof encoding !== 'undefined') {
+            utils_1.checkEncoding(encoding);
+        }
+        const value = this._buff.slice(this._readOffset, this._readOffset + lengthVal).toString(encoding || this._encoding);
+        this._readOffset += lengthVal;
+        return value;
+    }
+    /**
+     * Inserts a String
+     *
+     * @param value { String } The String value to insert.
+     * @param offset { Number } The offset to insert the string at.
+     * @param encoding { String } The BufferEncoding to use for writing strings (defaults to instance encoding).
+     *
+     * @return this
+     */
+    insertString(value, offset, encoding) {
+        utils_1.checkOffsetValue(offset);
+        return this._handleString(value, true, offset, encoding);
+    }
+    /**
+     * Writes a String
+     *
+     * @param value { String } The String value to write.
+     * @param arg2 { Number | String } The offset to write the string at, or the BufferEncoding to use.
+     * @param encoding { String } The BufferEncoding to use for writing strings (defaults to instance encoding).
+     *
+     * @return this
+     */
+    writeString(value, arg2, encoding) {
+        return this._handleString(value, false, arg2, encoding);
+    }
+    /**
+     * Reads a null-terminated String from the current read position.
+     *
+     * @param encoding { String } The BufferEncoding to use for the string (Defaults to instance level encoding).
+     *
+     * @return { String }
+     */
+    readStringNT(encoding) {
+        if (typeof encoding !== 'undefined') {
+            utils_1.checkEncoding(encoding);
+        }
+        // Set null character position to the end SmartBuffer instance.
+        let nullPos = this.length;
+        // Find next null character (if one is not found, default from above is used)
+        for (let i = this._readOffset; i < this.length; i++) {
+            if (this._buff[i] === 0x00) {
+                nullPos = i;
+                break;
+            }
+        }
+        // Read string value
+        const value = this._buff.slice(this._readOffset, nullPos);
+        // Increment internal Buffer read offset
+        this._readOffset = nullPos + 1;
+        return value.toString(encoding || this._encoding);
+    }
+    /**
+     * Inserts a null-terminated String.
+     *
+     * @param value { String } The String value to write.
+     * @param arg2 { Number | String } The offset to write the string to, or the BufferEncoding to use.
+     * @param encoding { String } The BufferEncoding to use for writing strings (defaults to instance encoding).
+     *
+     * @return this
+     */
+    insertStringNT(value, offset, encoding) {
+        utils_1.checkOffsetValue(offset);
+        // Write Values
+        this.insertString(value, offset, encoding);
+        this.insertUInt8(0x00, offset + value.length);
+        return this;
+    }
+    /**
+     * Writes a null-terminated String.
+     *
+     * @param value { String } The String value to write.
+     * @param arg2 { Number | String } The offset to write the string to, or the BufferEncoding to use.
+     * @param encoding { String } The BufferEncoding to use for writing strings (defaults to instance encoding).
+     *
+     * @return this
+     */
+    writeStringNT(value, arg2, encoding) {
+        // Write Values
+        this.writeString(value, arg2, encoding);
+        this.writeUInt8(0x00, typeof arg2 === 'number' ? arg2 + value.length : this.writeOffset);
+        return this;
+    }
+    // Buffers
+    /**
+     * Reads a Buffer from the internal read position.
+     *
+     * @param length { Number } The length of data to read as a Buffer.
+     *
+     * @return { Buffer }
+     */
+    readBuffer(length) {
+        if (typeof length !== 'undefined') {
+            utils_1.checkLengthValue(length);
+        }
+        const lengthVal = typeof length === 'number' ? length : this.length;
+        const endPoint = Math.min(this.length, this._readOffset + lengthVal);
+        // Read buffer value
+        const value = this._buff.slice(this._readOffset, endPoint);
+        // Increment internal Buffer read offset
+        this._readOffset = endPoint;
+        return value;
+    }
+    /**
+     * Writes a Buffer to the current write position.
+     *
+     * @param value { Buffer } The Buffer to write.
+     * @param offset { Number } The offset to write the Buffer to.
+     *
+     * @return this
+     */
+    insertBuffer(value, offset) {
+        utils_1.checkOffsetValue(offset);
+        return this._handleBuffer(value, true, offset);
+    }
+    /**
+     * Writes a Buffer to the current write position.
+     *
+     * @param value { Buffer } The Buffer to write.
+     * @param offset { Number } The offset to write the Buffer to.
+     *
+     * @return this
+     */
+    writeBuffer(value, offset) {
+        return this._handleBuffer(value, false, offset);
+    }
+    /**
+     * Reads a null-terminated Buffer from the current read poisiton.
+     *
+     * @return { Buffer }
+     */
+    readBufferNT() {
+        // Set null character position to the end SmartBuffer instance.
+        let nullPos = this.length;
+        // Find next null character (if one is not found, default from above is used)
+        for (let i = this._readOffset; i < this.length; i++) {
+            if (this._buff[i] === 0x00) {
+                nullPos = i;
+                break;
+            }
+        }
+        // Read value
+        const value = this._buff.slice(this._readOffset, nullPos);
+        // Increment internal Buffer read offset
+        this._readOffset = nullPos + 1;
+        return value;
+    }
+    /**
+     * Inserts a null-terminated Buffer.
+     *
+     * @param value { Buffer } The Buffer to write.
+     * @param offset { Number } The offset to write the Buffer to.
+     *
+     * @return this
+     */
+    insertBufferNT(value, offset) {
+        utils_1.checkOffsetValue(offset);
+        // Write Values
+        this.insertBuffer(value, offset);
+        this.insertUInt8(0x00, offset + value.length);
+        return this;
+    }
+    /**
+     * Writes a null-terminated Buffer.
+     *
+     * @param value { Buffer } The Buffer to write.
+     * @param offset { Number } The offset to write the Buffer to.
+     *
+     * @return this
+     */
+    writeBufferNT(value, offset) {
+        // Checks for valid numberic value;
+        if (typeof offset !== 'undefined') {
+            utils_1.checkOffsetValue(offset);
+        }
+        // Write Values
+        this.writeBuffer(value, offset);
+        this.writeUInt8(0x00, typeof offset === 'number' ? offset + value.length : this._writeOffset);
+        return this;
+    }
+    /**
+     * Clears the SmartBuffer instance to its original empty state.
+     */
+    clear() {
+        this._writeOffset = 0;
+        this._readOffset = 0;
+        this.length = 0;
+        return this;
+    }
+    /**
+     * Gets the remaining data left to be read from the SmartBuffer instance.
+     *
+     * @return { Number }
+     */
+    remaining() {
+        return this.length - this._readOffset;
+    }
+    /**
+     * Gets the current read offset value of the SmartBuffer instance.
+     *
+     * @return { Number }
+     */
+    get readOffset() {
+        return this._readOffset;
+    }
+    /**
+     * Sets the read offset value of the SmartBuffer instance.
+     *
+     * @param offset { Number } - The offset value to set.
+     */
+    set readOffset(offset) {
+        utils_1.checkOffsetValue(offset);
+        // Check for bounds.
+        utils_1.checkTargetOffset(offset, this);
+        this._readOffset = offset;
+    }
+    /**
+     * Gets the current write offset value of the SmartBuffer instance.
+     *
+     * @return { Number }
+     */
+    get writeOffset() {
+        return this._writeOffset;
+    }
+    /**
+     * Sets the write offset value of the SmartBuffer instance.
+     *
+     * @param offset { Number } - The offset value to set.
+     */
+    set writeOffset(offset) {
+        utils_1.checkOffsetValue(offset);
+        // Check for bounds.
+        utils_1.checkTargetOffset(offset, this);
+        this._writeOffset = offset;
+    }
+    /**
+     * Gets the currently set string encoding of the SmartBuffer instance.
+     *
+     * @return { BufferEncoding } The string Buffer encoding currently set.
+     */
+    get encoding() {
+        return this._encoding;
+    }
+    /**
+     * Sets the string encoding of the SmartBuffer instance.
+     *
+     * @param encoding { BufferEncoding } The string Buffer encoding to set.
+     */
+    set encoding(encoding) {
+        utils_1.checkEncoding(encoding);
+        this._encoding = encoding;
+    }
+    /**
+     * Gets the underlying internal Buffer. (This includes unmanaged data in the Buffer)
+     *
+     * @return { Buffer } The Buffer value.
+     */
+    get internalBuffer() {
+        return this._buff;
+    }
+    /**
+     * Gets the value of the internal managed Buffer (Includes managed data only)
+     *
+     * @param { Buffer }
+     */
+    toBuffer() {
+        return this._buff.slice(0, this.length);
+    }
+    /**
+     * Gets the String value of the internal managed Buffer
+     *
+     * @param encoding { String } The BufferEncoding to display the Buffer as (defaults to instance level encoding).
+     */
+    toString(encoding) {
+        const encodingVal = typeof encoding === 'string' ? encoding : this._encoding;
+        // Check for invalid encoding.
+        utils_1.checkEncoding(encodingVal);
+        return this._buff.toString(encodingVal, 0, this.length);
+    }
+    /**
+     * Destroys the SmartBuffer instance.
+     */
+    destroy() {
+        this.clear();
+        return this;
+    }
+    /**
+     * Handles inserting and writing strings.
+     *
+     * @param value { String } The String value to insert.
+     * @param isInsert { Boolean } True if inserting a string, false if writing.
+     * @param arg2 { Number | String } The offset to insert the string at, or the BufferEncoding to use.
+     * @param encoding { String } The BufferEncoding to use for writing strings (defaults to instance encoding).
+     */
+    _handleString(value, isInsert, arg3, encoding) {
+        let offsetVal = this._writeOffset;
+        let encodingVal = this._encoding;
+        // Check for offset
+        if (typeof arg3 === 'number') {
+            offsetVal = arg3;
+            // Check for encoding
+        }
+        else if (typeof arg3 === 'string') {
+            utils_1.checkEncoding(arg3);
+            encodingVal = arg3;
+        }
+        // Check for encoding (third param)
+        if (typeof encoding === 'string') {
+            utils_1.checkEncoding(encoding);
+            encodingVal = encoding;
+        }
+        // Calculate bytelength of string.
+        const byteLength = Buffer.byteLength(value, encodingVal);
+        // Ensure there is enough internal Buffer capacity.
+        if (isInsert) {
+            this.ensureInsertable(byteLength, offsetVal);
+        }
+        else {
+            this._ensureWriteable(byteLength, offsetVal);
+        }
+        // Write value
+        this._buff.write(value, offsetVal, byteLength, encodingVal);
+        // Increment internal Buffer write offset;
+        if (isInsert) {
+            this._writeOffset += byteLength;
+        }
+        else {
+            // If an offset was given, check to see if we wrote beyond the current writeOffset.
+            if (typeof arg3 === 'number') {
+                this._writeOffset = Math.max(this._writeOffset, offsetVal + byteLength);
+            }
+            else {
+                // If no offset was given, we wrote to the end of the SmartBuffer so increment writeOffset.
+                this._writeOffset += byteLength;
+            }
+        }
+        return this;
+    }
+    /**
+     * Handles writing or insert of a Buffer.
+     *
+     * @param value { Buffer } The Buffer to write.
+     * @param offset { Number } The offset to write the Buffer to.
+     */
+    _handleBuffer(value, isInsert, offset) {
+        const offsetVal = typeof offset === 'number' ? offset : this._writeOffset;
+        // Ensure there is enough internal Buffer capacity.
+        if (isInsert) {
+            this.ensureInsertable(value.length, offsetVal);
+        }
+        else {
+            this._ensureWriteable(value.length, offsetVal);
+        }
+        // Write buffer value
+        value.copy(this._buff, offsetVal);
+        // Increment internal Buffer write offset;
+        if (isInsert) {
+            this._writeOffset += value.length;
+        }
+        else {
+            // If an offset was given, check to see if we wrote beyond the current writeOffset.
+            if (typeof offset === 'number') {
+                this._writeOffset = Math.max(this._writeOffset, offsetVal + value.length);
+            }
+            else {
+                // If no offset was given, we wrote to the end of the SmartBuffer so increment writeOffset.
+                this._writeOffset += value.length;
+            }
+        }
+        return this;
+    }
+    /**
+     * Ensures that the internal Buffer is large enough to read data.
+     *
+     * @param length { Number } The length of the data that needs to be read.
+     * @param offset { Number } The offset of the data that needs to be read.
+     */
+    ensureReadable(length, offset) {
+        // Offset value defaults to managed read offset.
+        let offsetVal = this._readOffset;
+        // If an offset was provided, use it.
+        if (typeof offset !== 'undefined') {
+            // Checks for valid numberic value;
+            utils_1.checkOffsetValue(offset);
+            // Overide with custom offset.
+            offsetVal = offset;
+        }
+        // Checks if offset is below zero, or the offset+length offset is beyond the total length of the managed data.
+        if (offsetVal < 0 || offsetVal + length > this.length) {
+            throw new Error(utils_1.ERRORS.INVALID_READ_BEYOND_BOUNDS);
+        }
+    }
+    /**
+     * Ensures that the internal Buffer is large enough to insert data.
+     *
+     * @param dataLength { Number } The length of the data that needs to be written.
+     * @param offset { Number } The offset of the data to be written.
+     */
+    ensureInsertable(dataLength, offset) {
+        // Checks for valid numberic value;
+        utils_1.checkOffsetValue(offset);
+        // Ensure there is enough internal Buffer capacity.
+        this._ensureCapacity(this.length + dataLength);
+        // If an offset was provided and its not the very end of the buffer, copy data into appropriate location in regards to the offset.
+        if (offset < this.length) {
+            this._buff.copy(this._buff, offset + dataLength, offset, this._buff.length);
+        }
+        // Adjust tracked smart buffer length
+        if (offset + dataLength > this.length) {
+            this.length = offset + dataLength;
+        }
+        else {
+            this.length += dataLength;
+        }
+    }
+    /**
+     * Ensures that the internal Buffer is large enough to write data.
+     *
+     * @param dataLength { Number } The length of the data that needs to be written.
+     * @param offset { Number } The offset of the data to be written (defaults to writeOffset).
+     */
+    _ensureWriteable(dataLength, offset) {
+        const offsetVal = typeof offset === 'number' ? offset : this._writeOffset;
+        // Ensure enough capacity to write data.
+        this._ensureCapacity(offsetVal + dataLength);
+        // Adjust SmartBuffer length (if offset + length is larger than managed length, adjust length)
+        if (offsetVal + dataLength > this.length) {
+            this.length = offsetVal + dataLength;
+        }
+    }
+    /**
+     * Ensures that the internal Buffer is large enough to write at least the given amount of data.
+     *
+     * @param minLength { Number } The minimum length of the data needs to be written.
+     */
+    _ensureCapacity(minLength) {
+        const oldLength = this._buff.length;
+        if (minLength > oldLength) {
+            let data = this._buff;
+            let newLength = (oldLength * 3) / 2 + 1;
+            if (newLength < minLength) {
+                newLength = minLength;
+            }
+            this._buff = Buffer.allocUnsafe(newLength);
+            data.copy(this._buff, 0, 0, oldLength);
+        }
+    }
+    /**
+     * Reads a numeric number value using the provided function.
+     *
+     * @typeparam T { number | bigint } The type of the value to be read
+     *
+     * @param func { Function(offset: number) => number } The function to read data on the internal Buffer with.
+     * @param byteSize { Number } The number of bytes read.
+     * @param offset { Number } The offset to read from (optional). When this is not provided, the managed readOffset is used instead.
+     *
+     * @returns { T } the number value
+     */
+    _readNumberValue(func, byteSize, offset) {
+        this.ensureReadable(byteSize, offset);
+        // Call Buffer.readXXXX();
+        const value = func.call(this._buff, typeof offset === 'number' ? offset : this._readOffset);
+        // Adjust internal read offset if an optional read offset was not provided.
+        if (typeof offset === 'undefined') {
+            this._readOffset += byteSize;
+        }
+        return value;
+    }
+    /**
+     * Inserts a numeric number value based on the given offset and value.
+     *
+     * @typeparam T { number | bigint } The type of the value to be written
+     *
+     * @param func { Function(offset: T, offset?) => number} The function to write data on the internal Buffer with.
+     * @param byteSize { Number } The number of bytes written.
+     * @param value { T } The number value to write.
+     * @param offset { Number } the offset to write the number at (REQUIRED).
+     *
+     * @returns SmartBuffer this buffer
+     */
+    _insertNumberValue(func, byteSize, value, offset) {
+        // Check for invalid offset values.
+        utils_1.checkOffsetValue(offset);
+        // Ensure there is enough internal Buffer capacity. (raw offset is passed)
+        this.ensureInsertable(byteSize, offset);
+        // Call buffer.writeXXXX();
+        func.call(this._buff, value, offset);
+        // Adjusts internally managed write offset.
+        this._writeOffset += byteSize;
+        return this;
+    }
+    /**
+     * Writes a numeric number value based on the given offset and value.
+     *
+     * @typeparam T { number | bigint } The type of the value to be written
+     *
+     * @param func { Function(offset: T, offset?) => number} The function to write data on the internal Buffer with.
+     * @param byteSize { Number } The number of bytes written.
+     * @param value { T } The number value to write.
+     * @param offset { Number } the offset to write the number at (REQUIRED).
+     *
+     * @returns SmartBuffer this buffer
+     */
+    _writeNumberValue(func, byteSize, value, offset) {
+        // If an offset was provided, validate it.
+        if (typeof offset === 'number') {
+            // Check if we're writing beyond the bounds of the managed data.
+            if (offset < 0) {
+                throw new Error(utils_1.ERRORS.INVALID_WRITE_BEYOND_BOUNDS);
+            }
+            utils_1.checkOffsetValue(offset);
+        }
+        // Default to writeOffset if no offset value was given.
+        const offsetVal = typeof offset === 'number' ? offset : this._writeOffset;
+        // Ensure there is enough internal Buffer capacity. (raw offset is passed)
+        this._ensureWriteable(byteSize, offsetVal);
+        func.call(this._buff, value, offsetVal);
+        // If an offset was given, check to see if we wrote beyond the current writeOffset.
+        if (typeof offset === 'number') {
+            this._writeOffset = Math.max(this._writeOffset, offsetVal + byteSize);
+        }
+        else {
+            // If no numeric offset was given, we wrote to the end of the SmartBuffer so increment writeOffset.
+            this._writeOffset += byteSize;
+        }
+        return this;
+    }
+}
+exports.SmartBuffer = SmartBuffer;
+//# sourceMappingURL=smartbuffer.js.map
\ No newline at end of file
diff --git a/node_modules/smart-buffer/build/smartbuffer.js.map b/node_modules/smart-buffer/build/smartbuffer.js.map
new file mode 100644
index 000000000..37f0d6e16
--- /dev/null
+++ b/node_modules/smart-buffer/build/smartbuffer.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/smart-buffer/build/utils.js b/node_modules/smart-buffer/build/utils.js
new file mode 100644
index 000000000..6d5598123
--- /dev/null
+++ b/node_modules/smart-buffer/build/utils.js
@@ -0,0 +1,108 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const buffer_1 = require("buffer");
+/**
+ * Error strings
+ */
+const ERRORS = {
+    INVALID_ENCODING: 'Invalid encoding provided. Please specify a valid encoding the internal Node.js Buffer supports.',
+    INVALID_SMARTBUFFER_SIZE: 'Invalid size provided. Size must be a valid integer greater than zero.',
+    INVALID_SMARTBUFFER_BUFFER: 'Invalid Buffer provided in SmartBufferOptions.',
+    INVALID_SMARTBUFFER_OBJECT: 'Invalid SmartBufferOptions object supplied to SmartBuffer constructor or factory methods.',
+    INVALID_OFFSET: 'An invalid offset value was provided.',
+    INVALID_OFFSET_NON_NUMBER: 'An invalid offset value was provided. A numeric value is required.',
+    INVALID_LENGTH: 'An invalid length value was provided.',
+    INVALID_LENGTH_NON_NUMBER: 'An invalid length value was provived. A numeric value is required.',
+    INVALID_TARGET_OFFSET: 'Target offset is beyond the bounds of the internal SmartBuffer data.',
+    INVALID_TARGET_LENGTH: 'Specified length value moves cursor beyong the bounds of the internal SmartBuffer data.',
+    INVALID_READ_BEYOND_BOUNDS: 'Attempted to read beyond the bounds of the managed data.',
+    INVALID_WRITE_BEYOND_BOUNDS: 'Attempted to write beyond the bounds of the managed data.'
+};
+exports.ERRORS = ERRORS;
+/**
+ * Checks if a given encoding is a valid Buffer encoding. (Throws an exception if check fails)
+ *
+ * @param { String } encoding The encoding string to check.
+ */
+function checkEncoding(encoding) {
+    if (!buffer_1.Buffer.isEncoding(encoding)) {
+        throw new Error(ERRORS.INVALID_ENCODING);
+    }
+}
+exports.checkEncoding = checkEncoding;
+/**
+ * Checks if a given number is a finite integer. (Throws an exception if check fails)
+ *
+ * @param { Number } value The number value to check.
+ */
+function isFiniteInteger(value) {
+    return typeof value === 'number' && isFinite(value) && isInteger(value);
+}
+exports.isFiniteInteger = isFiniteInteger;
+/**
+ * Checks if an offset/length value is valid. (Throws an exception if check fails)
+ *
+ * @param value The value to check.
+ * @param offset True if checking an offset, false if checking a length.
+ */
+function checkOffsetOrLengthValue(value, offset) {
+    if (typeof value === 'number') {
+        // Check for non finite/non integers
+        if (!isFiniteInteger(value) || value < 0) {
+            throw new Error(offset ? ERRORS.INVALID_OFFSET : ERRORS.INVALID_LENGTH);
+        }
+    }
+    else {
+        throw new Error(offset ? ERRORS.INVALID_OFFSET_NON_NUMBER : ERRORS.INVALID_LENGTH_NON_NUMBER);
+    }
+}
+/**
+ * Checks if a length value is valid. (Throws an exception if check fails)
+ *
+ * @param { Number } length The value to check.
+ */
+function checkLengthValue(length) {
+    checkOffsetOrLengthValue(length, false);
+}
+exports.checkLengthValue = checkLengthValue;
+/**
+ * Checks if a offset value is valid. (Throws an exception if check fails)
+ *
+ * @param { Number } offset The value to check.
+ */
+function checkOffsetValue(offset) {
+    checkOffsetOrLengthValue(offset, true);
+}
+exports.checkOffsetValue = checkOffsetValue;
+/**
+ * Checks if a target offset value is out of bounds. (Throws an exception if check fails)
+ *
+ * @param { Number } offset The offset value to check.
+ * @param { SmartBuffer } buff The SmartBuffer instance to check against.
+ */
+function checkTargetOffset(offset, buff) {
+    if (offset < 0 || offset > buff.length) {
+        throw new Error(ERRORS.INVALID_TARGET_OFFSET);
+    }
+}
+exports.checkTargetOffset = checkTargetOffset;
+/**
+ * Determines whether a given number is a integer.
+ * @param value The number to check.
+ */
+function isInteger(value) {
+    return typeof value === 'number' && isFinite(value) && Math.floor(value) === value;
+}
+/**
+ * Throws if Node.js version is too low to support bigint
+ */
+function bigIntAndBufferInt64Check(bufferMethod) {
+    if (typeof BigInt === 'undefined') {
+        throw new Error('Platform does not support JS BigInt type.');
+    }
+    if (typeof buffer_1.Buffer.prototype[bufferMethod] === 'undefined') {
+        throw new Error(`Platform does not support Buffer.prototype.${bufferMethod}.`);
+    }
+}
+exports.bigIntAndBufferInt64Check = bigIntAndBufferInt64Check;
+//# sourceMappingURL=utils.js.map
\ No newline at end of file
diff --git a/node_modules/smart-buffer/build/utils.js.map b/node_modules/smart-buffer/build/utils.js.map
new file mode 100644
index 000000000..fc7388d3b
--- /dev/null
+++ b/node_modules/smart-buffer/build/utils.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/smart-buffer/docs/CHANGELOG.md b/node_modules/smart-buffer/docs/CHANGELOG.md
new file mode 100644
index 000000000..1199a4d6d
--- /dev/null
+++ b/node_modules/smart-buffer/docs/CHANGELOG.md
@@ -0,0 +1,70 @@
+# Change Log
+## 4.1.0
+> Released 07/24/2019
+* Adds int64 support for node v12+
+* Drops support for node v4
+
+## 4.0
+> Released 10/21/2017
+* Major breaking changes arriving in v4.
+
+### New Features
+* Ability to read data from a specific offset. ex: readInt8(5)
+* Ability to write over data when an offset is given (see breaking changes) ex:  writeInt8(5, 0);
+* Ability to set internal read and write offsets.
+
+
+
+### Breaking Changes
+
+* Old constructor patterns have been completely removed. It's now required to use the SmartBuffer.fromXXX() factory constructors. Read more on the v4 docs.
+* rewind(), skip(), moveTo() have been removed.
+* Internal private properties are now prefixed with underscores (_).
+* **All** writeXXX() methods that are given an offset will now **overwrite data** instead of insert
+* insertXXX() methods have been added for when you want to insert data at a specific offset (this replaces the old behavior of writeXXX() when an offset was provided)
+
+
+### Other Changes
+* Standardizd error messaging
+* Standardized offset/length bounds and sanity checking
+* General overall cleanup of code.
+
+## 3.0.3
+> Released 02/19/2017
+* Adds missing type definitions for some internal functions.
+
+## 3.0.2
+> Released 02/17/2017
+
+### Bug Fixes
+* Fixes a bug where using readString with a length of zero resulted in reading the remaining data instead of returning an empty string. (Fixed by Seldszar)
+
+## 3.0.1
+> Released 02/15/2017
+
+### Bug Fixes
+* Fixes a bug leftover from the TypeScript refactor where .readIntXXX() resulted in .readUIntXXX() being called by mistake.
+
+## 3.0
+> Released 02/12/2017
+
+### Bug Fixes
+* readUIntXXXX() methods will now throw an exception if they attempt to read beyond the bounds of the valid buffer data available.
+    * **Note** This is technically a breaking change, so version is bumped to 3.x.
+
+## 2.0
+> Relased 01/30/2017
+
+### New Features:
+
+* Entire package re-written in TypeScript (2.1)
+* Backwards compatibility is preserved for now
+* New factory methods for creating SmartBuffer instances
+    * SmartBuffer.fromSize()
+    * SmartBuffer.fromBuffer()
+    * SmartBuffer.fromOptions()
+* New SmartBufferOptions constructor options
+* Added additional tests
+
+### Bug Fixes:
+* Fixes a bug where reading null terminated strings may result in an exception.
diff --git a/node_modules/smart-buffer/docs/README_v3.md b/node_modules/smart-buffer/docs/README_v3.md
new file mode 100644
index 000000000..b7c48b8b5
--- /dev/null
+++ b/node_modules/smart-buffer/docs/README_v3.md
@@ -0,0 +1,367 @@
+smart-buffer  [![Build Status](https://travis-ci.org/JoshGlazebrook/smart-buffer.svg?branch=master)](https://travis-ci.org/JoshGlazebrook/smart-buffer)  [![Coverage Status](https://coveralls.io/repos/github/JoshGlazebrook/smart-buffer/badge.svg?branch=master)](https://coveralls.io/github/JoshGlazebrook/smart-buffer?branch=master)
+=============
+
+smart-buffer is a light Buffer wrapper that takes away the need to keep track of what position to read and write data to and from the underlying Buffer. It also adds null terminating string operations and **grows** as you add more data.
+
+![stats](https://nodei.co/npm/smart-buffer.png?downloads=true&downloadRank=true&stars=true "stats")
+
+### What it's useful for:
+
+I created smart-buffer because I wanted to simplify the process of using Buffer for building and reading network packets to send over a socket. Rather than having to keep track of which position I need to write a UInt16 to after adding a string of variable length, I simply don't have to.
+
+Key Features:
+* Proxies all of the Buffer write and read functions.
+* Keeps track of read and write positions for you.
+* Grows the internal Buffer as you add data to it. 
+* Useful string operations. (Null terminating strings)
+* Allows for inserting values at specific points in the internal Buffer.
+* Built in TypeScript
+* Type Definitions Provided
+
+Requirements:
+* Node v4.0+ is supported at this time.  (Versions prior to 2.0 will work on node 0.10)
+
+
+#### Note:
+smart-buffer can be used for writing to an underlying buffer as well as reading from it. It however does not function correctly if you're mixing both read and write operations with each other.
+
+## Breaking Changes with 2.0
+The latest version (2.0+) is written in TypeScript, and are compiled to ES6 Javascript. This means the earliest Node.js it supports will be 4.x (in strict mode.) If you're using version 6 and above it will work without any issues. From an API standpoint, 2.0 is backwards compatible. The only difference is SmartBuffer is not exported directly as the root module.
+
+## Breaking Changes with 3.0
+Starting with 3.0, if any of the readIntXXXX() methods are called and the requested data is larger than the bounds of the internally managed valid buffer data, an exception will now be thrown.
+
+## Installing:
+
+`npm install smart-buffer`
+
+or
+
+`yarn add smart-buffer`
+
+Note: The published NPM package includes the built javascript library. 
+If you cloned this repo and wish to build the library manually use:
+
+`tsc -p ./`
+
+## Using smart-buffer
+
+### Example
+
+Say you were building a packet that had to conform to the following protocol:
+
+`[PacketType:2][PacketLength:2][Data:XX]`
+
+To build this packet using the vanilla Buffer class, you would have to count up the length of the data payload beforehand. You would also need to keep track of the current "cursor" position in your Buffer so you write everything in the right places. With smart-buffer you don't have to do either of those things.
+
+```javascript
+// 1.x (javascript)
+var SmartBuffer = require('smart-buffer');
+
+// 1.x (typescript)
+import SmartBuffer = require('smart-buffer');
+
+// 2.x+ (javascript)
+const SmartBuffer = require('smart-buffer').SmartBuffer;
+
+// 2.x+ (typescript)
+import { SmartBuffer, SmartBufferOptions} from 'smart-buffer';
+
+function createLoginPacket(username, password, age, country) {
+    let packet = new SmartBuffer();
+    packet.writeUInt16LE(0x0060); // Login Packet Type/ID
+    packet.writeStringNT(username);
+    packet.writeStringNT(password);
+    packet.writeUInt8(age);
+    packet.writeStringNT(country);
+    packet.writeUInt16LE(packet.length - 2, 2);
+    
+    return packet.toBuffer();
+}
+```
+With the above function, you now can do this:
+```javascript
+let login = createLoginPacket("Josh", "secret123", 22, "United States");
+
+// <Buffer 60 00 1e 00 4a 6f 73 68 00 73 65 63 72 65 74 31 32 33 00 16 55 6e 69 74 65 64 20 53 74 61 74 65 73 00>
+```
+Notice that the `[PacketLength:2]` part of the packet was inserted after we had added everything else, and as shown in the Buffer dump above, is in the correct location along with everything else.
+
+Reading back the packet we created above is just as easy:
+```javascript
+
+let reader = SmartBuffer.fromBuffer(login);
+
+let logininfo = {
+    packetType: reader.readUInt16LE(),
+    packetLength: reader.readUInt16LE(),
+    username: reader.readStringNT(),
+    password: reader.readStringNT(),
+    age: reader.readUInt8(),
+    country: reader.readStringNT()
+};
+
+/*
+{ 
+    packetType: 96, (0x0060)
+    packetLength: 30,
+    username: 'Josh',
+    password: 'secret123',
+    age: 22,
+    country: 'United States' 
+};
+*/
+```
+
+# Api Reference:
+
+### Constructing a smart-buffer
+
+smart-buffer has a few different ways to construct an instance. Starting with version 2.0, the following factory methods are preffered.
+
+```javascript
+let SmartBuffer = require('smart-buffer');
+
+// Creating SmartBuffer from existing Buffer
+let buff = SmartBuffer.fromBuffer(buffer); // Creates instance from buffer. (Uses default utf8 encoding)
+let buff = SmartBuffer.fromBuffer(buffer, 'ascii'); // Creates instance from buffer with ascii encoding for Strings. 
+
+// Creating SmartBuffer with specified internal Buffer size.
+let buff = SmartBuffer.fromSize(1024); // Creates instance with internal Buffer size of 1024.
+let buff = SmartBuffer.fromSize(1024, 'utf8'); // Creates instance with intenral Buffer size of 1024, and utf8 encoding. 
+
+// Creating SmartBuffer with options object. This one specifies size and encoding.
+let buff = SmartBuffer.fromOptions({
+    size: 1024,
+    encoding: 'ascii'
+});
+
+// Creating SmartBuffer with options object. This one specified an existing Buffer.
+let buff = SmartBuffer.fromOptions({
+    buff: buffer
+});
+
+// Just want a regular SmartBuffer with all default options?
+let buff = new SmartBuffer();
+```
+
+## Backwards Compatibility:
+
+All constructors used prior to 2.0 still are supported. However it's not recommended to use these.
+
+```javascript
+let writer = new SmartBuffer();               // Defaults to utf8, 4096 length internal Buffer.
+let writer = new SmartBuffer(1024);           // Defaults to utf8, 1024 length internal Buffer.
+let writer = new SmartBuffer('ascii');         // Sets to ascii encoding, 4096 length internal buffer.
+let writer = new SmartBuffer(1024, 'ascii');  // Sets to ascii encoding, 1024 length internal buffer.
+```
+
+## Reading Data
+
+smart-buffer supports all of the common read functions you will find in the vanilla Buffer class. The only difference is, you do not need to specify which location to start reading from. This is possible because as you read data out of a smart-buffer, it automatically progresses an internal read offset/position to know where to pick up from on the next read.
+
+## Reading Numeric Values
+
+When numeric values, you simply need to call the function you want, and the data is returned.
+
+Supported Operations:
+* readInt8
+* readInt16BE
+* readInt16LE
+* readInt32BE
+* readInt32LE
+* readBigInt64LE
+* readBigInt64BE
+* readUInt8
+* readUInt16BE
+* readUInt16LE
+* readUInt32BE
+* readUInt32LE
+* readBigUInt64LE
+* readBigUInt64BE
+* readFloatBE
+* readFloatLE
+* readDoubleBE
+* readDoubleLE
+
+```javascript
+let reader = new SmartBuffer(somebuffer);
+let num = reader.readInt8();
+```
+
+## Reading String Values
+
+When reading String values, you can either choose to read a null terminated string, or a string of a specified length.
+
+### SmartBuffer.readStringNT( [encoding] )
+> `String` **String encoding to use**  - Defaults to the encoding set in the constructor. 
+
+returns `String`
+
+> Note: When readStringNT is called and there is no null character found, smart-buffer will read to the end of the internal Buffer.
+
+### SmartBuffer.readString( [length] )
+### SmartBuffer.readString( [encoding] )
+### SmartBuffer.readString( [length], [encoding] )
+> `Number` **Length of the string to read**
+
+> `String` **String encoding to use** - Defaults to the encoding set in the constructor, or utf8.
+
+returns `String`
+
+> Note: When readString is called without a specified length, smart-buffer will read to the end of the internal Buffer.
+
+
+
+## Reading Buffer Values
+
+### SmartBuffer.readBuffer( length )
+> `Number` **Length of data to read into a Buffer**
+
+returns `Buffer`
+
+> Note: This function uses `slice` to retrieve the Buffer.
+
+
+### SmartBuffer.readBufferNT()
+
+returns `Buffer`
+
+> Note: This reads the next sequence of bytes in the buffer until a null (0x00) value is found. (Null terminated buffer)
+> Note: This function uses `slice` to retrieve the Buffer.
+
+
+## Writing Data
+
+smart-buffer supports all of the common write functions you will find in the vanilla Buffer class. The only difference is, you do not need to specify which location to write to in your Buffer by default. You do however have the option of **inserting** a piece of data into your smart-buffer at a given location. 
+
+
+## Writing Numeric Values
+
+
+For numeric values, you simply need to call the function you want, and the data is written at the end of the internal Buffer's current write position. You can specify a offset/position to **insert** the given value at, but keep in mind this does not override data at the given position. This feature also does not work properly when inserting a value beyond the current internal length of the smart-buffer (length being the .length property of the smart-buffer instance you're writing to)
+
+Supported Operations:
+* writeInt8
+* writeInt16BE
+* writeInt16LE
+* writeInt32BE
+* writeInt32LE
+* writeBigInt64BE
+* writeBigInt64LE
+* writeUInt8
+* writeUInt16BE
+* writeUInt16LE
+* writeUInt32BE
+* writeUInt32LE
+* writeBigUInt64BE
+* writeBigUInt64LE
+* writeFloatBE
+* writeFloatLE
+* writeDoubleBE
+* writeDoubleLE
+
+The following signature is the same for all the above functions:
+
+### SmartBuffer.writeInt8( value, [offset] )
+> `Number` **A valid Int8 number**
+
+> `Number` **The position to insert this value at** 
+
+returns this 
+
+> Note: All write operations return `this` to allow for chaining.
+
+## Writing String Values
+
+When reading String values, you can either choose to write a null terminated string, or a non null terminated string.
+
+### SmartBuffer.writeStringNT( value, [offset], [encoding] )
+### SmartBuffer.writeStringNT( value, [offset] )
+### SmartBuffer.writeStringNT( value, [encoding] )
+> `String` **String value to write**
+
+> `Number` **The position to insert this String at**
+
+> `String` **The String encoding to use.** - Defaults to the encoding set in the constructor, or utf8.
+
+returns this
+
+### SmartBuffer.writeString( value, [offset], [encoding] )
+### SmartBuffer.writeString( value, [offset] )
+### SmartBuffer.writeString( value, [encoding] )
+> `String` **String value to write**
+
+> `Number` **The position to insert this String at**
+
+> `String` **The String encoding to use** - Defaults to the encoding set in the constructor, or utf8.
+
+returns this
+
+
+## Writing Buffer Values
+
+### SmartBuffer.writeBuffer( value, [offset] )
+> `Buffer` **Buffer value to write**
+
+> `Number` **The position to insert this Buffer's content at**
+
+returns this
+
+### SmartBuffer.writeBufferNT( value, [offset] )
+> `Buffer` **Buffer value to write**
+
+> `Number` **The position to insert this Buffer's content at**
+
+returns this
+
+
+## Utility Functions
+
+### SmartBuffer.clear()
+Resets the SmartBuffer to its default state where it can be reused for reading or writing.
+
+### SmartBuffer.remaining()
+
+returns `Number` The amount of data left to read based on the current read Position.
+
+### SmartBuffer.skip( value )
+> `Number` **The amount of bytes to skip ahead**
+
+Skips the read position ahead by the given value.
+
+returns this
+
+### SmartBuffer.rewind( value )
+> `Number` **The amount of bytes to reward backwards**
+
+Rewinds the read position backwards by the given value.
+
+returns this
+
+### SmartBuffer.moveTo( position )
+> `Number` **The point to skip the read position to**
+
+Moves the read position to the given point.
+returns this
+
+### SmartBuffer.toBuffer()
+
+returns `Buffer` A Buffer containing the contents of the internal Buffer.
+
+> Note: This uses the slice function.
+
+### SmartBuffer.toString( [encoding] )
+> `String` **The String encoding to use** - Defaults to the encoding set in the constructor, or utf8.
+
+returns `String` The internal Buffer in String representation.
+
+## Properties
+
+### SmartBuffer.length
+
+returns `Number` **The length of the data that is being tracked in the internal Buffer** - Does NOT return the absolute length of the internal Buffer being written to.
+
+## License
+
+This work is licensed under the [MIT license](http://en.wikipedia.org/wiki/MIT_License).
\ No newline at end of file
diff --git a/node_modules/smart-buffer/docs/ROADMAP.md b/node_modules/smart-buffer/docs/ROADMAP.md
new file mode 100644
index 000000000..e69de29bb
diff --git a/node_modules/smart-buffer/package.json b/node_modules/smart-buffer/package.json
new file mode 100644
index 000000000..2f326f248
--- /dev/null
+++ b/node_modules/smart-buffer/package.json
@@ -0,0 +1,79 @@
+{
+  "name": "smart-buffer",
+  "version": "4.2.0",
+  "description": "smart-buffer is a Buffer wrapper that adds automatic read & write offset tracking, string operations, data insertions, and more.",
+  "main": "build/smartbuffer.js",
+  "contributors": ["syvita"],
+  "homepage": "https://github.com/JoshGlazebrook/smart-buffer/",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/JoshGlazebrook/smart-buffer.git"
+  },
+  "bugs": {
+    "url": "https://github.com/JoshGlazebrook/smart-buffer/issues"
+  },
+  "keywords": [
+    "buffer",
+    "smart",
+    "packet",
+    "serialize",
+    "network",
+    "cursor",
+    "simple"
+  ],
+  "engines": {
+    "node": ">= 6.0.0",
+    "npm": ">= 3.0.0"
+  },
+  "author": "Josh Glazebrook",
+  "license": "MIT",
+  "readmeFilename": "README.md",
+  "devDependencies": {
+    "@types/chai": "4.1.7",
+    "@types/mocha": "5.2.7",
+    "@types/node": "^12.0.0",
+    "chai": "4.2.0",
+    "coveralls": "3.0.5",
+    "istanbul": "^0.4.5",
+    "mocha": "6.2.0",
+    "mocha-lcov-reporter": "^1.3.0",
+    "nyc": "14.1.1",
+    "source-map-support": "0.5.12",
+    "ts-node": "8.3.0",
+    "tslint": "5.18.0",
+    "typescript": "^3.2.1"
+  },
+  "typings": "typings/smartbuffer.d.ts",
+  "dependencies": {},
+  "scripts": {
+    "prepublish": "npm install -g typescript && npm run build",
+    "test": "NODE_ENV=test mocha --recursive --require ts-node/register test/**/*.ts",
+    "coverage": "NODE_ENV=test nyc npm test",
+    "coveralls": "NODE_ENV=test nyc npm test && nyc report --reporter=text-lcov | coveralls",
+    "lint": "tslint --type-check --project tsconfig.json 'src/**/*.ts'",
+    "build": "tsc -p ./"
+  },
+  "nyc": {
+    "extension": [
+      ".ts",
+      ".tsx"
+    ],
+    "include": [
+      "src/*.ts",
+      "src/**/*.ts"
+    ],
+    "exclude": [
+      "**.*.d.ts",
+      "node_modules",
+      "typings"
+    ],
+    "require": [
+      "ts-node/register"
+    ],
+    "reporter": [
+      "json",
+      "html"
+    ],
+    "all": true
+  }
+}
diff --git a/node_modules/smart-buffer/typings/smartbuffer.d.ts b/node_modules/smart-buffer/typings/smartbuffer.d.ts
new file mode 100644
index 000000000..d07379b29
--- /dev/null
+++ b/node_modules/smart-buffer/typings/smartbuffer.d.ts
@@ -0,0 +1,755 @@
+/// <reference types="node" />
+/**
+ * Object interface for constructing new SmartBuffer instances.
+ */
+interface SmartBufferOptions {
+    encoding?: BufferEncoding;
+    size?: number;
+    buff?: Buffer;
+}
+declare class SmartBuffer {
+    length: number;
+    private _encoding;
+    private _buff;
+    private _writeOffset;
+    private _readOffset;
+    /**
+     * Creates a new SmartBuffer instance.
+     *
+     * @param options { SmartBufferOptions } The SmartBufferOptions to apply to this instance.
+     */
+    constructor(options?: SmartBufferOptions);
+    /**
+     * Creates a new SmartBuffer instance with the provided internal Buffer size and optional encoding.
+     *
+     * @param size { Number } The size of the internal Buffer.
+     * @param encoding { String } The BufferEncoding to use for strings.
+     *
+     * @return { SmartBuffer }
+     */
+    static fromSize(size: number, encoding?: BufferEncoding): SmartBuffer;
+    /**
+     * Creates a new SmartBuffer instance with the provided Buffer and optional encoding.
+     *
+     * @param buffer { Buffer } The Buffer to use as the internal Buffer value.
+     * @param encoding { String } The BufferEncoding to use for strings.
+     *
+     * @return { SmartBuffer }
+     */
+    static fromBuffer(buff: Buffer, encoding?: BufferEncoding): SmartBuffer;
+    /**
+     * Creates a new SmartBuffer instance with the provided SmartBufferOptions options.
+     *
+     * @param options { SmartBufferOptions } The options to use when creating the SmartBuffer instance.
+     */
+    static fromOptions(options: SmartBufferOptions): SmartBuffer;
+    /**
+     * Type checking function that determines if an object is a SmartBufferOptions object.
+     */
+    static isSmartBufferOptions(options: SmartBufferOptions): options is SmartBufferOptions;
+    /**
+     * Reads an Int8 value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readInt8(offset?: number): number;
+    /**
+     * Reads an Int16BE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readInt16BE(offset?: number): number;
+    /**
+     * Reads an Int16LE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readInt16LE(offset?: number): number;
+    /**
+     * Reads an Int32BE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readInt32BE(offset?: number): number;
+    /**
+     * Reads an Int32LE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readInt32LE(offset?: number): number;
+    /**
+     * Reads a BigInt64BE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { BigInt }
+     */
+    readBigInt64BE(offset?: number): bigint;
+    /**
+     * Reads a BigInt64LE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { BigInt }
+     */
+    readBigInt64LE(offset?: number): bigint;
+    /**
+     * Writes an Int8 value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeInt8(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts an Int8 value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertInt8(value: number, offset: number): SmartBuffer;
+    /**
+     * Writes an Int16BE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeInt16BE(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts an Int16BE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertInt16BE(value: number, offset: number): SmartBuffer;
+    /**
+     * Writes an Int16LE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeInt16LE(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts an Int16LE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertInt16LE(value: number, offset: number): SmartBuffer;
+    /**
+     * Writes an Int32BE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeInt32BE(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts an Int32BE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertInt32BE(value: number, offset: number): SmartBuffer;
+    /**
+     * Writes an Int32LE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeInt32LE(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts an Int32LE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertInt32LE(value: number, offset: number): SmartBuffer;
+    /**
+     * Writes a BigInt64BE value to the current write position (or at optional offset).
+     *
+     * @param value { BigInt } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeBigInt64BE(value: bigint, offset?: number): SmartBuffer;
+    /**
+     * Inserts a BigInt64BE value at the given offset value.
+     *
+     * @param value { BigInt } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertBigInt64BE(value: bigint, offset: number): SmartBuffer;
+    /**
+     * Writes a BigInt64LE value to the current write position (or at optional offset).
+     *
+     * @param value { BigInt } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeBigInt64LE(value: bigint, offset?: number): SmartBuffer;
+    /**
+     * Inserts a Int64LE value at the given offset value.
+     *
+     * @param value { BigInt } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertBigInt64LE(value: bigint, offset: number): SmartBuffer;
+    /**
+     * Reads an UInt8 value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readUInt8(offset?: number): number;
+    /**
+     * Reads an UInt16BE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readUInt16BE(offset?: number): number;
+    /**
+     * Reads an UInt16LE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readUInt16LE(offset?: number): number;
+    /**
+     * Reads an UInt32BE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readUInt32BE(offset?: number): number;
+    /**
+     * Reads an UInt32LE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readUInt32LE(offset?: number): number;
+    /**
+     * Reads a BigUInt64BE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { BigInt }
+     */
+    readBigUInt64BE(offset?: number): bigint;
+    /**
+     * Reads a BigUInt64LE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { BigInt }
+     */
+    readBigUInt64LE(offset?: number): bigint;
+    /**
+     * Writes an UInt8 value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeUInt8(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts an UInt8 value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertUInt8(value: number, offset: number): SmartBuffer;
+    /**
+     * Writes an UInt16BE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeUInt16BE(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts an UInt16BE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertUInt16BE(value: number, offset: number): SmartBuffer;
+    /**
+     * Writes an UInt16LE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeUInt16LE(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts an UInt16LE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertUInt16LE(value: number, offset: number): SmartBuffer;
+    /**
+     * Writes an UInt32BE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeUInt32BE(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts an UInt32BE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertUInt32BE(value: number, offset: number): SmartBuffer;
+    /**
+     * Writes an UInt32LE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeUInt32LE(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts an UInt32LE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertUInt32LE(value: number, offset: number): SmartBuffer;
+    /**
+     * Writes a BigUInt64BE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeBigUInt64BE(value: bigint, offset?: number): SmartBuffer;
+    /**
+     * Inserts a BigUInt64BE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertBigUInt64BE(value: bigint, offset: number): SmartBuffer;
+    /**
+     * Writes a BigUInt64LE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeBigUInt64LE(value: bigint, offset?: number): SmartBuffer;
+    /**
+     * Inserts a BigUInt64LE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertBigUInt64LE(value: bigint, offset: number): SmartBuffer;
+    /**
+     * Reads an FloatBE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readFloatBE(offset?: number): number;
+    /**
+     * Reads an FloatLE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readFloatLE(offset?: number): number;
+    /**
+     * Writes a FloatBE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeFloatBE(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts a FloatBE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertFloatBE(value: number, offset: number): SmartBuffer;
+    /**
+     * Writes a FloatLE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeFloatLE(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts a FloatLE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertFloatLE(value: number, offset: number): SmartBuffer;
+    /**
+     * Reads an DoublEBE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readDoubleBE(offset?: number): number;
+    /**
+     * Reads an DoubleLE value from the current read position or an optionally provided offset.
+     *
+     * @param offset { Number } The offset to read data from (optional)
+     * @return { Number }
+     */
+    readDoubleLE(offset?: number): number;
+    /**
+     * Writes a DoubleBE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeDoubleBE(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts a DoubleBE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertDoubleBE(value: number, offset: number): SmartBuffer;
+    /**
+     * Writes a DoubleLE value to the current write position (or at optional offset).
+     *
+     * @param value { Number } The value to write.
+     * @param offset { Number } The offset to write the value at.
+     *
+     * @return this
+     */
+    writeDoubleLE(value: number, offset?: number): SmartBuffer;
+    /**
+     * Inserts a DoubleLE value at the given offset value.
+     *
+     * @param value { Number } The value to insert.
+     * @param offset { Number } The offset to insert the value at.
+     *
+     * @return this
+     */
+    insertDoubleLE(value: number, offset: number): SmartBuffer;
+    /**
+     * Reads a String from the current read position.
+     *
+     * @param arg1 { Number | String } The number of bytes to read as a String, or the BufferEncoding to use for
+     *             the string (Defaults to instance level encoding).
+     * @param encoding { String } The BufferEncoding to use for the string (Defaults to instance level encoding).
+     *
+     * @return { String }
+     */
+    readString(arg1?: number | BufferEncoding, encoding?: BufferEncoding): string;
+    /**
+     * Inserts a String
+     *
+     * @param value { String } The String value to insert.
+     * @param offset { Number } The offset to insert the string at.
+     * @param encoding { String } The BufferEncoding to use for writing strings (defaults to instance encoding).
+     *
+     * @return this
+     */
+    insertString(value: string, offset: number, encoding?: BufferEncoding): SmartBuffer;
+    /**
+     * Writes a String
+     *
+     * @param value { String } The String value to write.
+     * @param arg2 { Number | String } The offset to write the string at, or the BufferEncoding to use.
+     * @param encoding { String } The BufferEncoding to use for writing strings (defaults to instance encoding).
+     *
+     * @return this
+     */
+    writeString(value: string, arg2?: number | BufferEncoding, encoding?: BufferEncoding): SmartBuffer;
+    /**
+     * Reads a null-terminated String from the current read position.
+     *
+     * @param encoding { String } The BufferEncoding to use for the string (Defaults to instance level encoding).
+     *
+     * @return { String }
+     */
+    readStringNT(encoding?: BufferEncoding): string;
+    /**
+     * Inserts a null-terminated String.
+     *
+     * @param value { String } The String value to write.
+     * @param arg2 { Number | String } The offset to write the string to, or the BufferEncoding to use.
+     * @param encoding { String } The BufferEncoding to use for writing strings (defaults to instance encoding).
+     *
+     * @return this
+     */
+    insertStringNT(value: string, offset: number, encoding?: BufferEncoding): SmartBuffer;
+    /**
+     * Writes a null-terminated String.
+     *
+     * @param value { String } The String value to write.
+     * @param arg2 { Number | String } The offset to write the string to, or the BufferEncoding to use.
+     * @param encoding { String } The BufferEncoding to use for writing strings (defaults to instance encoding).
+     *
+     * @return this
+     */
+    writeStringNT(value: string, arg2?: number | BufferEncoding, encoding?: BufferEncoding): SmartBuffer;
+    /**
+     * Reads a Buffer from the internal read position.
+     *
+     * @param length { Number } The length of data to read as a Buffer.
+     *
+     * @return { Buffer }
+     */
+    readBuffer(length?: number): Buffer;
+    /**
+     * Writes a Buffer to the current write position.
+     *
+     * @param value { Buffer } The Buffer to write.
+     * @param offset { Number } The offset to write the Buffer to.
+     *
+     * @return this
+     */
+    insertBuffer(value: Buffer, offset: number): SmartBuffer;
+    /**
+     * Writes a Buffer to the current write position.
+     *
+     * @param value { Buffer } The Buffer to write.
+     * @param offset { Number } The offset to write the Buffer to.
+     *
+     * @return this
+     */
+    writeBuffer(value: Buffer, offset?: number): SmartBuffer;
+    /**
+     * Reads a null-terminated Buffer from the current read poisiton.
+     *
+     * @return { Buffer }
+     */
+    readBufferNT(): Buffer;
+    /**
+     * Inserts a null-terminated Buffer.
+     *
+     * @param value { Buffer } The Buffer to write.
+     * @param offset { Number } The offset to write the Buffer to.
+     *
+     * @return this
+     */
+    insertBufferNT(value: Buffer, offset: number): SmartBuffer;
+    /**
+     * Writes a null-terminated Buffer.
+     *
+     * @param value { Buffer } The Buffer to write.
+     * @param offset { Number } The offset to write the Buffer to.
+     *
+     * @return this
+     */
+    writeBufferNT(value: Buffer, offset?: number): SmartBuffer;
+    /**
+     * Clears the SmartBuffer instance to its original empty state.
+     */
+    clear(): SmartBuffer;
+    /**
+     * Gets the remaining data left to be read from the SmartBuffer instance.
+     *
+     * @return { Number }
+     */
+    remaining(): number;
+    /**
+     * Gets the current read offset value of the SmartBuffer instance.
+     *
+     * @return { Number }
+     */
+    /**
+    * Sets the read offset value of the SmartBuffer instance.
+    *
+    * @param offset { Number } - The offset value to set.
+    */
+    readOffset: number;
+    /**
+     * Gets the current write offset value of the SmartBuffer instance.
+     *
+     * @return { Number }
+     */
+    /**
+    * Sets the write offset value of the SmartBuffer instance.
+    *
+    * @param offset { Number } - The offset value to set.
+    */
+    writeOffset: number;
+    /**
+     * Gets the currently set string encoding of the SmartBuffer instance.
+     *
+     * @return { BufferEncoding } The string Buffer encoding currently set.
+     */
+    /**
+    * Sets the string encoding of the SmartBuffer instance.
+    *
+    * @param encoding { BufferEncoding } The string Buffer encoding to set.
+    */
+    encoding: BufferEncoding;
+    /**
+     * Gets the underlying internal Buffer. (This includes unmanaged data in the Buffer)
+     *
+     * @return { Buffer } The Buffer value.
+     */
+    readonly internalBuffer: Buffer;
+    /**
+     * Gets the value of the internal managed Buffer (Includes managed data only)
+     *
+     * @param { Buffer }
+     */
+    toBuffer(): Buffer;
+    /**
+     * Gets the String value of the internal managed Buffer
+     *
+     * @param encoding { String } The BufferEncoding to display the Buffer as (defaults to instance level encoding).
+     */
+    toString(encoding?: BufferEncoding): string;
+    /**
+     * Destroys the SmartBuffer instance.
+     */
+    destroy(): SmartBuffer;
+    /**
+     * Handles inserting and writing strings.
+     *
+     * @param value { String } The String value to insert.
+     * @param isInsert { Boolean } True if inserting a string, false if writing.
+     * @param arg2 { Number | String } The offset to insert the string at, or the BufferEncoding to use.
+     * @param encoding { String } The BufferEncoding to use for writing strings (defaults to instance encoding).
+     */
+    private _handleString;
+    /**
+     * Handles writing or insert of a Buffer.
+     *
+     * @param value { Buffer } The Buffer to write.
+     * @param offset { Number } The offset to write the Buffer to.
+     */
+    private _handleBuffer;
+    /**
+     * Ensures that the internal Buffer is large enough to read data.
+     *
+     * @param length { Number } The length of the data that needs to be read.
+     * @param offset { Number } The offset of the data that needs to be read.
+     */
+    private ensureReadable;
+    /**
+     * Ensures that the internal Buffer is large enough to insert data.
+     *
+     * @param dataLength { Number } The length of the data that needs to be written.
+     * @param offset { Number } The offset of the data to be written.
+     */
+    private ensureInsertable;
+    /**
+     * Ensures that the internal Buffer is large enough to write data.
+     *
+     * @param dataLength { Number } The length of the data that needs to be written.
+     * @param offset { Number } The offset of the data to be written (defaults to writeOffset).
+     */
+    private _ensureWriteable;
+    /**
+     * Ensures that the internal Buffer is large enough to write at least the given amount of data.
+     *
+     * @param minLength { Number } The minimum length of the data needs to be written.
+     */
+    private _ensureCapacity;
+    /**
+     * Reads a numeric number value using the provided function.
+     *
+     * @typeparam T { number | bigint } The type of the value to be read
+     *
+     * @param func { Function(offset: number) => number } The function to read data on the internal Buffer with.
+     * @param byteSize { Number } The number of bytes read.
+     * @param offset { Number } The offset to read from (optional). When this is not provided, the managed readOffset is used instead.
+     *
+     * @returns { T } the number value
+     */
+    private _readNumberValue;
+    /**
+     * Inserts a numeric number value based on the given offset and value.
+     *
+     * @typeparam T { number | bigint } The type of the value to be written
+     *
+     * @param func { Function(offset: T, offset?) => number} The function to write data on the internal Buffer with.
+     * @param byteSize { Number } The number of bytes written.
+     * @param value { T } The number value to write.
+     * @param offset { Number } the offset to write the number at (REQUIRED).
+     *
+     * @returns SmartBuffer this buffer
+     */
+    private _insertNumberValue;
+    /**
+     * Writes a numeric number value based on the given offset and value.
+     *
+     * @typeparam T { number | bigint } The type of the value to be written
+     *
+     * @param func { Function(offset: T, offset?) => number} The function to write data on the internal Buffer with.
+     * @param byteSize { Number } The number of bytes written.
+     * @param value { T } The number value to write.
+     * @param offset { Number } the offset to write the number at (REQUIRED).
+     *
+     * @returns SmartBuffer this buffer
+     */
+    private _writeNumberValue;
+}
+export { SmartBufferOptions, SmartBuffer };
diff --git a/node_modules/smart-buffer/typings/utils.d.ts b/node_modules/smart-buffer/typings/utils.d.ts
new file mode 100644
index 000000000..b32b4d44c
--- /dev/null
+++ b/node_modules/smart-buffer/typings/utils.d.ts
@@ -0,0 +1,66 @@
+/// <reference types="node" />
+import { SmartBuffer } from './smartbuffer';
+import { Buffer } from 'buffer';
+/**
+ * Error strings
+ */
+declare const ERRORS: {
+    INVALID_ENCODING: string;
+    INVALID_SMARTBUFFER_SIZE: string;
+    INVALID_SMARTBUFFER_BUFFER: string;
+    INVALID_SMARTBUFFER_OBJECT: string;
+    INVALID_OFFSET: string;
+    INVALID_OFFSET_NON_NUMBER: string;
+    INVALID_LENGTH: string;
+    INVALID_LENGTH_NON_NUMBER: string;
+    INVALID_TARGET_OFFSET: string;
+    INVALID_TARGET_LENGTH: string;
+    INVALID_READ_BEYOND_BOUNDS: string;
+    INVALID_WRITE_BEYOND_BOUNDS: string;
+};
+/**
+ * Checks if a given encoding is a valid Buffer encoding. (Throws an exception if check fails)
+ *
+ * @param { String } encoding The encoding string to check.
+ */
+declare function checkEncoding(encoding: BufferEncoding): void;
+/**
+ * Checks if a given number is a finite integer. (Throws an exception if check fails)
+ *
+ * @param { Number } value The number value to check.
+ */
+declare function isFiniteInteger(value: number): boolean;
+/**
+ * Checks if a length value is valid. (Throws an exception if check fails)
+ *
+ * @param { Number } length The value to check.
+ */
+declare function checkLengthValue(length: any): void;
+/**
+ * Checks if a offset value is valid. (Throws an exception if check fails)
+ *
+ * @param { Number } offset The value to check.
+ */
+declare function checkOffsetValue(offset: any): void;
+/**
+ * Checks if a target offset value is out of bounds. (Throws an exception if check fails)
+ *
+ * @param { Number } offset The offset value to check.
+ * @param { SmartBuffer } buff The SmartBuffer instance to check against.
+ */
+declare function checkTargetOffset(offset: number, buff: SmartBuffer): void;
+interface Buffer {
+    readBigInt64BE(offset?: number): bigint;
+    readBigInt64LE(offset?: number): bigint;
+    readBigUInt64BE(offset?: number): bigint;
+    readBigUInt64LE(offset?: number): bigint;
+    writeBigInt64BE(value: bigint, offset?: number): number;
+    writeBigInt64LE(value: bigint, offset?: number): number;
+    writeBigUInt64BE(value: bigint, offset?: number): number;
+    writeBigUInt64LE(value: bigint, offset?: number): number;
+}
+/**
+ * Throws if Node.js version is too low to support bigint
+ */
+declare function bigIntAndBufferInt64Check(bufferMethod: keyof Buffer): void;
+export { ERRORS, isFiniteInteger, checkEncoding, checkOffsetValue, checkLengthValue, checkTargetOffset, bigIntAndBufferInt64Check };
diff --git a/node_modules/socks/.eslintrc.cjs b/node_modules/socks/.eslintrc.cjs
new file mode 100644
index 000000000..cc5d089e6
--- /dev/null
+++ b/node_modules/socks/.eslintrc.cjs
@@ -0,0 +1,11 @@
+module.exports = {
+  root: true,
+  parser: '@typescript-eslint/parser',
+  plugins: [
+    '@typescript-eslint',
+  ],
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/recommended',
+  ],
+};
\ No newline at end of file
diff --git a/node_modules/socks/.prettierrc.yaml b/node_modules/socks/.prettierrc.yaml
new file mode 100644
index 000000000..d7b733504
--- /dev/null
+++ b/node_modules/socks/.prettierrc.yaml
@@ -0,0 +1,7 @@
+parser: typescript
+printWidth: 80
+tabWidth: 2
+singleQuote: true
+trailingComma: all
+arrowParens: always
+bracketSpacing: false
\ No newline at end of file
diff --git a/node_modules/socks/LICENSE b/node_modules/socks/LICENSE
new file mode 100644
index 000000000..b2442a9e7
--- /dev/null
+++ b/node_modules/socks/LICENSE
@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2013 Josh Glazebrook
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/socks/README.md b/node_modules/socks/README.md
new file mode 100644
index 000000000..b796220c6
--- /dev/null
+++ b/node_modules/socks/README.md
@@ -0,0 +1,686 @@
+# socks  [![Build Status](https://travis-ci.org/JoshGlazebrook/socks.svg?branch=master)](https://travis-ci.org/JoshGlazebrook/socks)  [![Coverage Status](https://coveralls.io/repos/github/JoshGlazebrook/socks/badge.svg?branch=master)](https://coveralls.io/github/JoshGlazebrook/socks?branch=v2)
+
+Fully featured SOCKS proxy client supporting SOCKSv4, SOCKSv4a, and SOCKSv5. Includes Bind and Associate functionality.
+
+> Looking for Node.js agent? Check [node-socks-proxy-agent](https://github.com/TooTallNate/node-socks-proxy-agent).
+
+### Features
+
+* Supports SOCKS v4, v4a, v5, and v5h protocols.
+* Supports the CONNECT, BIND, and ASSOCIATE commands.
+* Supports callbacks, promises, and events for proxy connection creation async flow control.
+* Supports proxy chaining (CONNECT only).
+* Supports user/password authentication.
+* Supports custom authentication.
+* Built in UDP frame creation & parse functions.
+* Created with TypeScript, type definitions are provided.
+
+### Requirements
+
+* Node.js v10.0+  (Please use [v1](https://github.com/JoshGlazebrook/socks/tree/82d83923ad960693d8b774cafe17443ded7ed584) for older versions of Node.js)
+
+### Looking for v1?
+* Docs for v1 are available [here](https://github.com/JoshGlazebrook/socks/tree/82d83923ad960693d8b774cafe17443ded7ed584)
+
+## Installation
+
+`yarn add socks`
+
+or
+
+`npm install --save socks`
+
+## Usage
+
+```typescript
+// TypeScript
+import { SocksClient, SocksClientOptions, SocksClientChainOptions } from 'socks';
+
+// ES6 JavaScript
+import { SocksClient } from 'socks';
+
+// Legacy JavaScript
+const SocksClient = require('socks').SocksClient;
+```
+
+## Quick Start Example
+
+Connect to github.com (192.30.253.113) on port 80, using a SOCKS proxy.
+
+```javascript
+const options = {
+  proxy: {
+    host: '159.203.75.200', // ipv4 or ipv6 or hostname
+    port: 1080,
+    type: 5 // Proxy version (4 or 5)
+  },
+
+  command: 'connect', // SOCKS command (createConnection factory function only supports the connect command)
+
+  destination: {
+    host: '192.30.253.113', // github.com (hostname lookups are supported with SOCKS v4a and 5)
+    port: 80
+  }
+};
+
+// Async/Await
+try {
+  const info = await SocksClient.createConnection(options);
+
+  console.log(info.socket);
+  // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy server)
+} catch (err) {
+  // Handle errors
+}
+
+// Promises
+SocksClient.createConnection(options)
+.then(info => {
+  console.log(info.socket);
+  // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy server)
+})
+.catch(err => {
+  // Handle errors
+});
+
+// Callbacks
+SocksClient.createConnection(options, (err, info) => {
+  if (!err) {
+    console.log(info.socket);
+    // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy server)
+  } else {
+    // Handle errors
+  }
+});
+```
+
+## Chaining Proxies
+
+**Note:** Chaining is only supported when using the SOCKS connect command, and chaining can only be done through the special factory chaining function.
+
+This example makes a proxy chain through two SOCKS proxies to ip-api.com. Once the connection to the destination is established it sends an HTTP request to get a JSON response that returns ip info for the requesting ip.
+
+```javascript
+const options = {
+  destination: {
+    host: 'ip-api.com', // host names are supported with SOCKS v4a and SOCKS v5.
+    port: 80
+  },
+  command: 'connect', // Only the connect command is supported when chaining proxies.
+  proxies: [ // The chain order is the order in the proxies array, meaning the last proxy will establish a connection to the destination.
+    {
+      host: '159.203.75.235', // ipv4, ipv6, or hostname
+      port: 1081,
+      type: 5
+    },
+    {
+      host: '104.131.124.203', // ipv4, ipv6, or hostname
+      port: 1081,
+      type: 5
+    }
+  ]
+}
+
+// Async/Await
+try {
+  const info = await SocksClient.createConnectionChain(options);
+
+  console.log(info.socket);
+  // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy servers)
+
+  console.log(info.socket.remoteAddress) // The remote address of the returned socket is the first proxy in the chain.
+  // 159.203.75.235
+
+  info.socket.write('GET /json HTTP/1.1\nHost: ip-api.com\n\n');
+  info.socket.on('data', (data) => {
+    console.log(data.toString()); // ip-api.com sees that the last proxy in the chain (104.131.124.203) is connected to it.
+    /*
+      HTTP/1.1 200 OK
+      Access-Control-Allow-Origin: *
+      Content-Type: application/json; charset=utf-8
+      Date: Sun, 24 Dec 2017 03:47:51 GMT
+      Content-Length: 300
+
+      {
+        "as":"AS14061 Digital Ocean, Inc.",
+        "city":"Clifton",
+        "country":"United States",
+        "countryCode":"US",
+        "isp":"Digital Ocean",
+        "lat":40.8326,
+        "lon":-74.1307,
+        "org":"Digital Ocean",
+        "query":"104.131.124.203",
+        "region":"NJ",
+        "regionName":"New Jersey",
+        "status":"success",
+        "timezone":"America/New_York",
+        "zip":"07014"
+      }
+    */
+  });
+} catch (err) {
+  // Handle errors
+}
+
+// Promises
+SocksClient.createConnectionChain(options)
+.then(info => {
+  console.log(info.socket);
+  // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy server)
+
+  console.log(info.socket.remoteAddress) // The remote address of the returned socket is the first proxy in the chain.
+  // 159.203.75.235
+
+  info.socket.write('GET /json HTTP/1.1\nHost: ip-api.com\n\n');
+  info.socket.on('data', (data) => {
+    console.log(data.toString()); // ip-api.com sees that the last proxy in the chain (104.131.124.203) is connected to it.
+    /*
+      HTTP/1.1 200 OK
+      Access-Control-Allow-Origin: *
+      Content-Type: application/json; charset=utf-8
+      Date: Sun, 24 Dec 2017 03:47:51 GMT
+      Content-Length: 300
+
+      {
+        "as":"AS14061 Digital Ocean, Inc.",
+        "city":"Clifton",
+        "country":"United States",
+        "countryCode":"US",
+        "isp":"Digital Ocean",
+        "lat":40.8326,
+        "lon":-74.1307,
+        "org":"Digital Ocean",
+        "query":"104.131.124.203",
+        "region":"NJ",
+        "regionName":"New Jersey",
+        "status":"success",
+        "timezone":"America/New_York",
+        "zip":"07014"
+      }
+    */
+  });
+})
+.catch(err => {
+  // Handle errors
+});
+
+// Callbacks
+SocksClient.createConnectionChain(options, (err, info) => {
+  if (!err) {
+    console.log(info.socket);
+    // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy server)
+
+    console.log(info.socket.remoteAddress) // The remote address of the returned socket is the first proxy in the chain.
+  // 159.203.75.235
+
+  info.socket.write('GET /json HTTP/1.1\nHost: ip-api.com\n\n');
+  info.socket.on('data', (data) => {
+    console.log(data.toString()); // ip-api.com sees that the last proxy in the chain (104.131.124.203) is connected to it.
+    /*
+      HTTP/1.1 200 OK
+      Access-Control-Allow-Origin: *
+      Content-Type: application/json; charset=utf-8
+      Date: Sun, 24 Dec 2017 03:47:51 GMT
+      Content-Length: 300
+
+      {
+        "as":"AS14061 Digital Ocean, Inc.",
+        "city":"Clifton",
+        "country":"United States",
+        "countryCode":"US",
+        "isp":"Digital Ocean",
+        "lat":40.8326,
+        "lon":-74.1307,
+        "org":"Digital Ocean",
+        "query":"104.131.124.203",
+        "region":"NJ",
+        "regionName":"New Jersey",
+        "status":"success",
+        "timezone":"America/New_York",
+        "zip":"07014"
+      }
+    */
+  });
+  } else {
+    // Handle errors
+  }
+});
+```
+
+## Bind Example (TCP Relay)
+
+When the bind command is sent to a SOCKS v4/v5 proxy server, the proxy server starts listening on a new TCP port and the proxy relays then remote host information back to the client. When another remote client connects to the proxy server on this port the SOCKS proxy sends a notification that an incoming connection has been accepted to the initial client and a full duplex stream is now established to the initial client and the client that connected to that special port.
+
+```javascript
+const options = {
+  proxy: {
+    host: '159.203.75.235', // ipv4, ipv6, or hostname
+    port: 1081,
+    type: 5
+  },
+
+  command: 'bind',
+
+  // When using BIND, the destination should be the remote client that is expected to connect to the SOCKS proxy. Using 0.0.0.0 makes the Proxy accept any incoming connection on that port.
+  destination: {
+    host: '0.0.0.0',
+    port: 0
+  }
+};
+
+// Creates a new SocksClient instance.
+const client = new SocksClient(options);
+
+// When the SOCKS proxy has bound a new port and started listening, this event is fired.
+client.on('bound', info => {
+  console.log(info.remoteHost);
+  /*
+  {
+    host: "159.203.75.235",
+    port: 57362
+  }
+  */
+});
+
+// When a client connects to the newly bound port on the SOCKS proxy, this event is fired.
+client.on('established', info => {
+  // info.remoteHost is the remote address of the client that connected to the SOCKS proxy.
+  console.log(info.remoteHost);
+  /*
+    host: 67.171.34.23,
+    port: 49823
+  */
+
+  console.log(info.socket);
+  // <Socket ...>  (This is a raw net.Socket that is a connection between the initial client and the remote client that connected to the proxy)
+
+  // Handle received data...
+  info.socket.on('data', data => {
+    console.log('recv', data);
+  });
+});
+
+// An error occurred trying to establish this SOCKS connection.
+client.on('error', err => {
+  console.error(err);
+});
+
+// Start connection to proxy
+client.connect();
+```
+
+## Associate Example (UDP Relay)
+
+When the associate command is sent to a SOCKS v5 proxy server, it sets up a UDP relay that allows the client to send UDP packets to a remote host through the proxy server, and also receive UDP packet responses back through the proxy server.
+
+```javascript
+const options = {
+  proxy: {
+    host: '159.203.75.235', // ipv4, ipv6, or hostname
+    port: 1081,
+    type: 5
+  },
+
+  command: 'associate',
+
+  // When using associate, the destination should be the remote client that is expected to send UDP packets to the proxy server to be forwarded. This should be your local ip, or optionally the wildcard address (0.0.0.0)  UDP Client <-> Proxy <-> UDP Client
+  destination: {
+    host: '0.0.0.0',
+    port: 0
+  }
+};
+
+// Create a local UDP socket for sending packets to the proxy.
+const udpSocket = dgram.createSocket('udp4');
+udpSocket.bind();
+
+// Listen for incoming UDP packets from the proxy server.
+udpSocket.on('message', (message, rinfo) => {
+  console.log(SocksClient.parseUDPFrame(message));
+  /*
+  { frameNumber: 0,
+    remoteHost: { host: '165.227.108.231', port: 4444 }, // The remote host that replied with a UDP packet
+    data: <Buffer 74 65 73 74 0a> // The data
+  }
+  */
+});
+
+let client = new SocksClient(associateOptions);
+
+// When the UDP relay is established, this event is fired and includes the UDP relay port to send data to on the proxy server.
+client.on('established', info => {
+  console.log(info.remoteHost);
+  /*
+    {
+      host: '159.203.75.235',
+      port: 44711
+    }
+  */
+
+  // Send 'hello' to 165.227.108.231:4444
+  const packet = SocksClient.createUDPFrame({
+    remoteHost: { host: '165.227.108.231', port: 4444 },
+    data: Buffer.from(line)
+  });
+  udpSocket.send(packet, info.remoteHost.port, info.remoteHost.host);
+});
+
+// Start connection
+client.connect();
+```
+
+**Note:** The associate TCP connection to the proxy must remain open for the UDP relay to work.
+
+## Additional Examples
+
+[Documentation](docs/index.md)
+
+
+## Migrating from v1
+
+Looking for a guide to migrate from v1? Look [here](docs/migratingFromV1.md)
+
+## Api Reference:
+
+**Note:** socks includes full TypeScript definitions. These can even be used without using TypeScript as most IDEs (such as VS Code) will use these type definition files for auto completion intellisense even in JavaScript files.
+
+* Class: SocksClient
+  * [new SocksClient(options[, callback])](#new-socksclientoptions)
+  * [Class Method: SocksClient.createConnection(options[, callback])](#class-method-socksclientcreateconnectionoptions-callback)
+  * [Class Method: SocksClient.createConnectionChain(options[, callback])](#class-method-socksclientcreateconnectionchainoptions-callback)
+  * [Class Method: SocksClient.createUDPFrame(options)](#class-method-socksclientcreateudpframedetails)
+  * [Class Method: SocksClient.parseUDPFrame(data)](#class-method-socksclientparseudpframedata)
+  * [Event: 'error'](#event-error)
+  * [Event: 'bound'](#event-bound)
+  * [Event: 'established'](#event-established)
+  * [client.connect()](#clientconnect)
+  * [client.socksClientOptions](#clientconnect)
+
+### SocksClient
+
+SocksClient establishes SOCKS proxy connections to remote destination hosts. These proxy connections are fully transparent to the server and once established act as full duplex streams. SOCKS v4, v4a, v5, and v5h are supported, as well as the connect, bind, and associate commands.
+
+SocksClient supports creating connections using callbacks, promises, and async/await flow control using two static factory functions createConnection and createConnectionChain. It also internally extends EventEmitter which results in allowing event handling based async flow control.
+
+**SOCKS Compatibility Table**
+
+Note: When using 4a please specify type: 4, and when using 5h please specify type 5.
+
+| Socks Version | TCP | UDP | IPv4 | IPv6 | Hostname |
+| --- | :---: | :---: | :---: | :---: | :---: |
+| SOCKS v4 | ✅ | ❌ | ✅ | ❌ | ❌ |
+| SOCKS v4a | ✅ | ❌ | ✅ | ❌ | ✅ |
+| SOCKS v5 (includes v5h) | ✅ | ✅ | ✅ | ✅ | ✅ |
+
+### new SocksClient(options)
+
+* ```options``` {SocksClientOptions} - An object describing the SOCKS proxy to use, the command to send and establish, and the destination host to connect to.
+
+### SocksClientOptions
+
+```typescript
+{
+  proxy: {
+    host: '159.203.75.200', // ipv4, ipv6, or hostname
+    port: 1080,
+    type: 5, // Proxy version (4 or 5). For v4a use 4, for v5h use 5.
+
+    // Optional fields
+    userId: 'some username', // Used for SOCKS4 userId auth, and SOCKS5 user/pass auth in conjunction with password.
+    password: 'some password', // Used in conjunction with userId for user/pass auth for SOCKS5 proxies.
+    custom_auth_method: 0x80,  // If using a custom auth method, specify the type here. If this is set, ALL other custom_auth_*** options must be set as well.
+    custom_auth_request_handler: async () =>. {
+      // This will be called when it's time to send the custom auth handshake. You must return a Buffer containing the data to send as your authentication.
+      return Buffer.from([0x01,0x02,0x03]);
+    },
+    // This is the expected size (bytes) of the custom auth response from the proxy server.
+    custom_auth_response_size: 2,
+    // This is called when the auth response is received. The received packet is passed in as a Buffer, and you must return a boolean indicating the response from the server said your custom auth was successful or failed.
+    custom_auth_response_handler: async (data) => {
+      return data[1] === 0x00;
+    }
+  },
+
+  command: 'connect', // connect, bind, associate
+
+  destination: {
+    host: '192.30.253.113', // ipv4, ipv6, hostname. Hostnames work with v4a and v5.
+    port: 80
+  },
+
+  // Optional fields
+  timeout: 30000, // How long to wait to establish a proxy connection. (defaults to 30 seconds)
+
+  set_tcp_nodelay: true // If true, will turn on the underlying sockets TCP_NODELAY option.
+}
+```
+
+### Class Method: SocksClient.createConnection(options[, callback])
+* ```options``` { SocksClientOptions } - An object describing the SOCKS proxy to use, the command to send and establish, and the destination host to connect to.
+* ```callback``` { Function } - Optional callback function that is called when the proxy connection is established, or an error occurs.
+* ```returns``` { Promise } - A Promise is returned that is resolved when the proxy connection is established, or rejected when an error occurs.
+
+Creates a new proxy connection through the given proxy to the given destination host. This factory function supports callbacks and promises for async flow control.
+
+**Note:** If a callback function is provided, the promise will always resolve regardless of an error occurring. Please be sure to exclusively use either promises or callbacks when using this factory function.
+
+```typescript
+const options = {
+  proxy: {
+    host: '159.203.75.200', // ipv4, ipv6, or hostname
+    port: 1080,
+    type: 5 // Proxy version (4 or 5)
+  },
+
+  command: 'connect', // connect, bind, associate
+
+  destination: {
+    host: '192.30.253.113', // ipv4, ipv6, or hostname
+    port: 80
+  }
+}
+
+// Await/Async (uses a Promise)
+try {
+  const info = await SocksClient.createConnection(options);
+  console.log(info);
+  /*
+  {
+    socket: <Socket ...>,  // Raw net.Socket
+  }
+  */
+  / <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy server)
+
+} catch (err) {
+  // Handle error...
+}
+
+// Promise
+SocksClient.createConnection(options)
+.then(info => {
+  console.log(info);
+  /*
+  {
+    socket: <Socket ...>,  // Raw net.Socket
+  }
+  */
+})
+.catch(err => {
+  // Handle error...
+});
+
+// Callback
+SocksClient.createConnection(options, (err, info) => {
+  if (!err) {
+    console.log(info);
+  /*
+  {
+    socket: <Socket ...>,  // Raw net.Socket
+  }
+  */
+  } else {
+    // Handle error...
+  }
+});
+```
+
+### Class Method: SocksClient.createConnectionChain(options[, callback])
+* ```options``` { SocksClientChainOptions } - An object describing a list of SOCKS proxies to use, the command to send and establish, and the destination host to connect to.
+* ```callback``` { Function } - Optional callback function that is called when the proxy connection chain is established, or an error occurs.
+* ```returns``` { Promise } - A Promise is returned that is resolved when the proxy connection chain is established, or rejected when an error occurs.
+
+Creates a new proxy connection chain through a list of at least two SOCKS proxies to the given destination host. This factory method supports callbacks and promises for async flow control.
+
+**Note:** If a callback function is provided, the promise will always resolve regardless of an error occurring. Please be sure to exclusively use either promises or callbacks when using this factory function.
+
+**Note:** At least two proxies must be provided for the chain to be established.
+
+```typescript
+const options = {
+  proxies: [ // The chain order is the order in the proxies array, meaning the last proxy will establish a connection to the destination.
+    {
+      host: '159.203.75.235', // ipv4, ipv6, or hostname
+      port: 1081,
+      type: 5
+    },
+    {
+      host: '104.131.124.203', // ipv4, ipv6, or hostname
+      port: 1081,
+      type: 5
+    }
+  ]
+
+  command: 'connect', // Only connect is supported in chaining mode.
+
+  destination: {
+    host: '192.30.253.113', // ipv4, ipv6, hostname
+    port: 80
+  }
+}
+```
+
+### Class Method: SocksClient.createUDPFrame(details)
+* ```details``` { SocksUDPFrameDetails } - An object containing the remote host, frame number, and frame data to use when creating a SOCKS UDP frame packet.
+* ```returns``` { Buffer } - A Buffer containing all of the UDP frame data.
+
+Creates a SOCKS UDP frame relay packet that is sent and received via a SOCKS proxy when using the associate command for UDP packet forwarding.
+
+**SocksUDPFrameDetails**
+
+```typescript
+{
+  frameNumber: 0, // The frame number (used for breaking up larger packets)
+
+  remoteHost: { // The remote host to have the proxy send data to, or the remote host that send this data.
+    host: '1.2.3.4',
+    port: 1234
+  },
+
+  data: <Buffer 01 02 03 04...> // A Buffer instance of data to include in the packet (actual data sent to the remote host)
+}
+interface SocksUDPFrameDetails {
+  // The frame number of the packet.
+  frameNumber?: number;
+
+  // The remote host.
+  remoteHost: SocksRemoteHost;
+
+  // The packet data.
+  data: Buffer;
+}
+```
+
+### Class Method: SocksClient.parseUDPFrame(data)
+* ```data``` { Buffer } - A Buffer instance containing SOCKS UDP frame data to parse.
+* ```returns``` { SocksUDPFrameDetails } - An object containing the remote host, frame number, and frame data of the SOCKS UDP frame.
+
+```typescript
+const frame = SocksClient.parseUDPFrame(data);
+console.log(frame);
+/*
+{
+  frameNumber: 0,
+  remoteHost: {
+    host: '1.2.3.4',
+    port: 1234
+  },
+  data: <Buffer 01 02 03 04 ...>
+}
+*/
+```
+
+Parses a Buffer instance and returns the parsed SocksUDPFrameDetails object.
+
+## Event: 'error'
+* ```err``` { SocksClientError } - An Error object containing an error message and the original SocksClientOptions.
+
+This event is emitted if an error occurs when trying to establish the proxy connection.
+
+## Event: 'bound'
+* ```info``` { SocksClientBoundEvent } An object containing a Socket and SocksRemoteHost info.
+
+This event is emitted when using the BIND command on a remote SOCKS proxy server. This event indicates the proxy server is now listening for incoming connections on a specified port.
+
+**SocksClientBoundEvent**
+```typescript
+{
+  socket: net.Socket, // The underlying raw Socket
+  remoteHost: {
+    host: '1.2.3.4', // The remote host that is listening (usually the proxy itself)
+    port: 4444 // The remote port the proxy is listening on for incoming connections (when using BIND).
+  }
+}
+```
+
+## Event: 'established'
+* ```info``` { SocksClientEstablishedEvent } An object containing a Socket and SocksRemoteHost info.
+
+This event is emitted when the following conditions are met:
+1. When using the CONNECT command, and a proxy connection has been established to the remote host.
+2. When using the BIND command, and an incoming connection has been accepted by the proxy and a TCP relay has been established.
+3. When using the ASSOCIATE command, and a UDP relay has been established.
+
+When using BIND, 'bound' is first emitted to indicate the SOCKS server is waiting for an incoming connection, and provides the remote port the SOCKS server is listening on.
+
+When using ASSOCIATE, 'established' is emitted with the remote UDP port the SOCKS server is accepting UDP frame packets on.
+
+**SocksClientEstablishedEvent**
+```typescript
+{
+  socket: net.Socket, // The underlying raw Socket
+  remoteHost: {
+    host: '1.2.3.4', // The remote host that is listening (usually the proxy itself)
+    port: 52738 // The remote port the proxy is listening on for incoming connections (when using BIND).
+  }
+}
+```
+
+## client.connect()
+
+Starts connecting to the remote SOCKS proxy server to establish a proxy connection to the destination host.
+
+## client.socksClientOptions
+* ```returns``` { SocksClientOptions } The options that were passed to the SocksClient.
+
+Gets the options that were passed to the SocksClient when it was created.
+
+
+**SocksClientError**
+```typescript
+{ // Subclassed from Error.
+  message: 'An error has occurred',
+  options: {
+    // SocksClientOptions
+  }
+}
+```
+
+# Further Reading:
+
+Please read the SOCKS 5 specifications for more information on how to use BIND and Associate.
+http://www.ietf.org/rfc/rfc1928.txt
+
+# License
+
+This work is licensed under the [MIT license](http://en.wikipedia.org/wiki/MIT_License).
diff --git a/node_modules/socks/build/client/socksclient.js b/node_modules/socks/build/client/socksclient.js
new file mode 100644
index 000000000..05da4baa4
--- /dev/null
+++ b/node_modules/socks/build/client/socksclient.js
@@ -0,0 +1,795 @@
+"use strict";
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SocksClientError = exports.SocksClient = void 0;
+const events_1 = require("events");
+const net = require("net");
+const ip = require("ip");
+const smart_buffer_1 = require("smart-buffer");
+const constants_1 = require("../common/constants");
+const helpers_1 = require("../common/helpers");
+const receivebuffer_1 = require("../common/receivebuffer");
+const util_1 = require("../common/util");
+Object.defineProperty(exports, "SocksClientError", { enumerable: true, get: function () { return util_1.SocksClientError; } });
+class SocksClient extends events_1.EventEmitter {
+    constructor(options) {
+        super();
+        this.options = Object.assign({}, options);
+        // Validate SocksClientOptions
+        (0, helpers_1.validateSocksClientOptions)(options);
+        // Default state
+        this.setState(constants_1.SocksClientState.Created);
+    }
+    /**
+     * Creates a new SOCKS connection.
+     *
+     * Note: Supports callbacks and promises. Only supports the connect command.
+     * @param options { SocksClientOptions } Options.
+     * @param callback { Function } An optional callback function.
+     * @returns { Promise }
+     */
+    static createConnection(options, callback) {
+        return new Promise((resolve, reject) => {
+            // Validate SocksClientOptions
+            try {
+                (0, helpers_1.validateSocksClientOptions)(options, ['connect']);
+            }
+            catch (err) {
+                if (typeof callback === 'function') {
+                    callback(err);
+                    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                    return resolve(err); // Resolves pending promise (prevents memory leaks).
+                }
+                else {
+                    return reject(err);
+                }
+            }
+            const client = new SocksClient(options);
+            client.connect(options.existing_socket);
+            client.once('established', (info) => {
+                client.removeAllListeners();
+                if (typeof callback === 'function') {
+                    callback(null, info);
+                    resolve(info); // Resolves pending promise (prevents memory leaks).
+                }
+                else {
+                    resolve(info);
+                }
+            });
+            // Error occurred, failed to establish connection.
+            client.once('error', (err) => {
+                client.removeAllListeners();
+                if (typeof callback === 'function') {
+                    callback(err);
+                    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                    resolve(err); // Resolves pending promise (prevents memory leaks).
+                }
+                else {
+                    reject(err);
+                }
+            });
+        });
+    }
+    /**
+     * Creates a new SOCKS connection chain to a destination host through 2 or more SOCKS proxies.
+     *
+     * Note: Supports callbacks and promises. Only supports the connect method.
+     * Note: Implemented via createConnection() factory function.
+     * @param options { SocksClientChainOptions } Options
+     * @param callback { Function } An optional callback function.
+     * @returns { Promise }
+     */
+    static createConnectionChain(options, callback) {
+        // eslint-disable-next-line no-async-promise-executor
+        return new Promise((resolve, reject) => __awaiter(this, void 0, void 0, function* () {
+            // Validate SocksClientChainOptions
+            try {
+                (0, helpers_1.validateSocksClientChainOptions)(options);
+            }
+            catch (err) {
+                if (typeof callback === 'function') {
+                    callback(err);
+                    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                    return resolve(err); // Resolves pending promise (prevents memory leaks).
+                }
+                else {
+                    return reject(err);
+                }
+            }
+            let sock;
+            // Shuffle proxies
+            if (options.randomizeChain) {
+                (0, util_1.shuffleArray)(options.proxies);
+            }
+            try {
+                for (let i = 0; i < options.proxies.length; i++) {
+                    const nextProxy = options.proxies[i];
+                    // If we've reached the last proxy in the chain, the destination is the actual destination, otherwise it's the next proxy.
+                    const nextDestination = i === options.proxies.length - 1
+                        ? options.destination
+                        : {
+                            host: options.proxies[i + 1].host ||
+                                options.proxies[i + 1].ipaddress,
+                            port: options.proxies[i + 1].port,
+                        };
+                    // Creates the next connection in the chain.
+                    const result = yield SocksClient.createConnection({
+                        command: 'connect',
+                        proxy: nextProxy,
+                        destination: nextDestination,
+                        // Initial connection ignores this as sock is undefined. Subsequent connections re-use the first proxy socket to form a chain.
+                    });
+                    // If sock is undefined, assign it here.
+                    if (!sock) {
+                        sock = result.socket;
+                    }
+                }
+                if (typeof callback === 'function') {
+                    callback(null, { socket: sock });
+                    resolve({ socket: sock }); // Resolves pending promise (prevents memory leaks).
+                }
+                else {
+                    resolve({ socket: sock });
+                }
+            }
+            catch (err) {
+                if (typeof callback === 'function') {
+                    callback(err);
+                    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+                    resolve(err); // Resolves pending promise (prevents memory leaks).
+                }
+                else {
+                    reject(err);
+                }
+            }
+        }));
+    }
+    /**
+     * Creates a SOCKS UDP Frame.
+     * @param options
+     */
+    static createUDPFrame(options) {
+        const buff = new smart_buffer_1.SmartBuffer();
+        buff.writeUInt16BE(0);
+        buff.writeUInt8(options.frameNumber || 0);
+        // IPv4/IPv6/Hostname
+        if (net.isIPv4(options.remoteHost.host)) {
+            buff.writeUInt8(constants_1.Socks5HostType.IPv4);
+            buff.writeUInt32BE(ip.toLong(options.remoteHost.host));
+        }
+        else if (net.isIPv6(options.remoteHost.host)) {
+            buff.writeUInt8(constants_1.Socks5HostType.IPv6);
+            buff.writeBuffer(ip.toBuffer(options.remoteHost.host));
+        }
+        else {
+            buff.writeUInt8(constants_1.Socks5HostType.Hostname);
+            buff.writeUInt8(Buffer.byteLength(options.remoteHost.host));
+            buff.writeString(options.remoteHost.host);
+        }
+        // Port
+        buff.writeUInt16BE(options.remoteHost.port);
+        // Data
+        buff.writeBuffer(options.data);
+        return buff.toBuffer();
+    }
+    /**
+     * Parses a SOCKS UDP frame.
+     * @param data
+     */
+    static parseUDPFrame(data) {
+        const buff = smart_buffer_1.SmartBuffer.fromBuffer(data);
+        buff.readOffset = 2;
+        const frameNumber = buff.readUInt8();
+        const hostType = buff.readUInt8();
+        let remoteHost;
+        if (hostType === constants_1.Socks5HostType.IPv4) {
+            remoteHost = ip.fromLong(buff.readUInt32BE());
+        }
+        else if (hostType === constants_1.Socks5HostType.IPv6) {
+            remoteHost = ip.toString(buff.readBuffer(16));
+        }
+        else {
+            remoteHost = buff.readString(buff.readUInt8());
+        }
+        const remotePort = buff.readUInt16BE();
+        return {
+            frameNumber,
+            remoteHost: {
+                host: remoteHost,
+                port: remotePort,
+            },
+            data: buff.readBuffer(),
+        };
+    }
+    /**
+     * Internal state setter. If the SocksClient is in an error state, it cannot be changed to a non error state.
+     */
+    setState(newState) {
+        if (this.state !== constants_1.SocksClientState.Error) {
+            this.state = newState;
+        }
+    }
+    /**
+     * Starts the connection establishment to the proxy and destination.
+     * @param existingSocket Connected socket to use instead of creating a new one (internal use).
+     */
+    connect(existingSocket) {
+        this.onDataReceived = (data) => this.onDataReceivedHandler(data);
+        this.onClose = () => this.onCloseHandler();
+        this.onError = (err) => this.onErrorHandler(err);
+        this.onConnect = () => this.onConnectHandler();
+        // Start timeout timer (defaults to 30 seconds)
+        const timer = setTimeout(() => this.onEstablishedTimeout(), this.options.timeout || constants_1.DEFAULT_TIMEOUT);
+        // check whether unref is available as it differs from browser to NodeJS (#33)
+        if (timer.unref && typeof timer.unref === 'function') {
+            timer.unref();
+        }
+        // If an existing socket is provided, use it to negotiate SOCKS handshake. Otherwise create a new Socket.
+        if (existingSocket) {
+            this.socket = existingSocket;
+        }
+        else {
+            this.socket = new net.Socket();
+        }
+        // Attach Socket error handlers.
+        this.socket.once('close', this.onClose);
+        this.socket.once('error', this.onError);
+        this.socket.once('connect', this.onConnect);
+        this.socket.on('data', this.onDataReceived);
+        this.setState(constants_1.SocksClientState.Connecting);
+        this.receiveBuffer = new receivebuffer_1.ReceiveBuffer();
+        if (existingSocket) {
+            this.socket.emit('connect');
+        }
+        else {
+            this.socket.connect(this.getSocketOptions());
+            if (this.options.set_tcp_nodelay !== undefined &&
+                this.options.set_tcp_nodelay !== null) {
+                this.socket.setNoDelay(!!this.options.set_tcp_nodelay);
+            }
+        }
+        // Listen for established event so we can re-emit any excess data received during handshakes.
+        this.prependOnceListener('established', (info) => {
+            setImmediate(() => {
+                if (this.receiveBuffer.length > 0) {
+                    const excessData = this.receiveBuffer.get(this.receiveBuffer.length);
+                    info.socket.emit('data', excessData);
+                }
+                info.socket.resume();
+            });
+        });
+    }
+    // Socket options (defaults host/port to options.proxy.host/options.proxy.port)
+    getSocketOptions() {
+        return Object.assign(Object.assign({}, this.options.socket_options), { host: this.options.proxy.host || this.options.proxy.ipaddress, port: this.options.proxy.port });
+    }
+    /**
+     * Handles internal Socks timeout callback.
+     * Note: If the Socks client is not BoundWaitingForConnection or Established, the connection will be closed.
+     */
+    onEstablishedTimeout() {
+        if (this.state !== constants_1.SocksClientState.Established &&
+            this.state !== constants_1.SocksClientState.BoundWaitingForConnection) {
+            this.closeSocket(constants_1.ERRORS.ProxyConnectionTimedOut);
+        }
+    }
+    /**
+     * Handles Socket connect event.
+     */
+    onConnectHandler() {
+        this.setState(constants_1.SocksClientState.Connected);
+        // Send initial handshake.
+        if (this.options.proxy.type === 4) {
+            this.sendSocks4InitialHandshake();
+        }
+        else {
+            this.sendSocks5InitialHandshake();
+        }
+        this.setState(constants_1.SocksClientState.SentInitialHandshake);
+    }
+    /**
+     * Handles Socket data event.
+     * @param data
+     */
+    onDataReceivedHandler(data) {
+        /*
+          All received data is appended to a ReceiveBuffer.
+          This makes sure that all the data we need is received before we attempt to process it.
+        */
+        this.receiveBuffer.append(data);
+        // Process data that we have.
+        this.processData();
+    }
+    /**
+     * Handles processing of the data we have received.
+     */
+    processData() {
+        // If we have enough data to process the next step in the SOCKS handshake, proceed.
+        while (this.state !== constants_1.SocksClientState.Established &&
+            this.state !== constants_1.SocksClientState.Error &&
+            this.receiveBuffer.length >= this.nextRequiredPacketBufferSize) {
+            // Sent initial handshake, waiting for response.
+            if (this.state === constants_1.SocksClientState.SentInitialHandshake) {
+                if (this.options.proxy.type === 4) {
+                    // Socks v4 only has one handshake response.
+                    this.handleSocks4FinalHandshakeResponse();
+                }
+                else {
+                    // Socks v5 has two handshakes, handle initial one here.
+                    this.handleInitialSocks5HandshakeResponse();
+                }
+                // Sent auth request for Socks v5, waiting for response.
+            }
+            else if (this.state === constants_1.SocksClientState.SentAuthentication) {
+                this.handleInitialSocks5AuthenticationHandshakeResponse();
+                // Sent final Socks v5 handshake, waiting for final response.
+            }
+            else if (this.state === constants_1.SocksClientState.SentFinalHandshake) {
+                this.handleSocks5FinalHandshakeResponse();
+                // Socks BIND established. Waiting for remote connection via proxy.
+            }
+            else if (this.state === constants_1.SocksClientState.BoundWaitingForConnection) {
+                if (this.options.proxy.type === 4) {
+                    this.handleSocks4IncomingConnectionResponse();
+                }
+                else {
+                    this.handleSocks5IncomingConnectionResponse();
+                }
+            }
+            else {
+                this.closeSocket(constants_1.ERRORS.InternalError);
+                break;
+            }
+        }
+    }
+    /**
+     * Handles Socket close event.
+     * @param had_error
+     */
+    onCloseHandler() {
+        this.closeSocket(constants_1.ERRORS.SocketClosed);
+    }
+    /**
+     * Handles Socket error event.
+     * @param err
+     */
+    onErrorHandler(err) {
+        this.closeSocket(err.message);
+    }
+    /**
+     * Removes internal event listeners on the underlying Socket.
+     */
+    removeInternalSocketHandlers() {
+        // Pauses data flow of the socket (this is internally resumed after 'established' is emitted)
+        this.socket.pause();
+        this.socket.removeListener('data', this.onDataReceived);
+        this.socket.removeListener('close', this.onClose);
+        this.socket.removeListener('error', this.onError);
+        this.socket.removeListener('connect', this.onConnect);
+    }
+    /**
+     * Closes and destroys the underlying Socket. Emits an error event.
+     * @param err { String } An error string to include in error event.
+     */
+    closeSocket(err) {
+        // Make sure only one 'error' event is fired for the lifetime of this SocksClient instance.
+        if (this.state !== constants_1.SocksClientState.Error) {
+            // Set internal state to Error.
+            this.setState(constants_1.SocksClientState.Error);
+            // Destroy Socket
+            this.socket.destroy();
+            // Remove internal listeners
+            this.removeInternalSocketHandlers();
+            // Fire 'error' event.
+            this.emit('error', new util_1.SocksClientError(err, this.options));
+        }
+    }
+    /**
+     * Sends initial Socks v4 handshake request.
+     */
+    sendSocks4InitialHandshake() {
+        const userId = this.options.proxy.userId || '';
+        const buff = new smart_buffer_1.SmartBuffer();
+        buff.writeUInt8(0x04);
+        buff.writeUInt8(constants_1.SocksCommand[this.options.command]);
+        buff.writeUInt16BE(this.options.destination.port);
+        // Socks 4 (IPv4)
+        if (net.isIPv4(this.options.destination.host)) {
+            buff.writeBuffer(ip.toBuffer(this.options.destination.host));
+            buff.writeStringNT(userId);
+            // Socks 4a (hostname)
+        }
+        else {
+            buff.writeUInt8(0x00);
+            buff.writeUInt8(0x00);
+            buff.writeUInt8(0x00);
+            buff.writeUInt8(0x01);
+            buff.writeStringNT(userId);
+            buff.writeStringNT(this.options.destination.host);
+        }
+        this.nextRequiredPacketBufferSize =
+            constants_1.SOCKS_INCOMING_PACKET_SIZES.Socks4Response;
+        this.socket.write(buff.toBuffer());
+    }
+    /**
+     * Handles Socks v4 handshake response.
+     * @param data
+     */
+    handleSocks4FinalHandshakeResponse() {
+        const data = this.receiveBuffer.get(8);
+        if (data[1] !== constants_1.Socks4Response.Granted) {
+            this.closeSocket(`${constants_1.ERRORS.Socks4ProxyRejectedConnection} - (${constants_1.Socks4Response[data[1]]})`);
+        }
+        else {
+            // Bind response
+            if (constants_1.SocksCommand[this.options.command] === constants_1.SocksCommand.bind) {
+                const buff = smart_buffer_1.SmartBuffer.fromBuffer(data);
+                buff.readOffset = 2;
+                const remoteHost = {
+                    port: buff.readUInt16BE(),
+                    host: ip.fromLong(buff.readUInt32BE()),
+                };
+                // If host is 0.0.0.0, set to proxy host.
+                if (remoteHost.host === '0.0.0.0') {
+                    remoteHost.host = this.options.proxy.ipaddress;
+                }
+                this.setState(constants_1.SocksClientState.BoundWaitingForConnection);
+                this.emit('bound', { remoteHost, socket: this.socket });
+                // Connect response
+            }
+            else {
+                this.setState(constants_1.SocksClientState.Established);
+                this.removeInternalSocketHandlers();
+                this.emit('established', { socket: this.socket });
+            }
+        }
+    }
+    /**
+     * Handles Socks v4 incoming connection request (BIND)
+     * @param data
+     */
+    handleSocks4IncomingConnectionResponse() {
+        const data = this.receiveBuffer.get(8);
+        if (data[1] !== constants_1.Socks4Response.Granted) {
+            this.closeSocket(`${constants_1.ERRORS.Socks4ProxyRejectedIncomingBoundConnection} - (${constants_1.Socks4Response[data[1]]})`);
+        }
+        else {
+            const buff = smart_buffer_1.SmartBuffer.fromBuffer(data);
+            buff.readOffset = 2;
+            const remoteHost = {
+                port: buff.readUInt16BE(),
+                host: ip.fromLong(buff.readUInt32BE()),
+            };
+            this.setState(constants_1.SocksClientState.Established);
+            this.removeInternalSocketHandlers();
+            this.emit('established', { remoteHost, socket: this.socket });
+        }
+    }
+    /**
+     * Sends initial Socks v5 handshake request.
+     */
+    sendSocks5InitialHandshake() {
+        const buff = new smart_buffer_1.SmartBuffer();
+        // By default we always support no auth.
+        const supportedAuthMethods = [constants_1.Socks5Auth.NoAuth];
+        // We should only tell the proxy we support user/pass auth if auth info is actually provided.
+        // Note: As of Tor v0.3.5.7+, if user/pass auth is an option from the client, by default it will always take priority.
+        if (this.options.proxy.userId || this.options.proxy.password) {
+            supportedAuthMethods.push(constants_1.Socks5Auth.UserPass);
+        }
+        // Custom auth method?
+        if (this.options.proxy.custom_auth_method !== undefined) {
+            supportedAuthMethods.push(this.options.proxy.custom_auth_method);
+        }
+        // Build handshake packet
+        buff.writeUInt8(0x05);
+        buff.writeUInt8(supportedAuthMethods.length);
+        for (const authMethod of supportedAuthMethods) {
+            buff.writeUInt8(authMethod);
+        }
+        this.nextRequiredPacketBufferSize =
+            constants_1.SOCKS_INCOMING_PACKET_SIZES.Socks5InitialHandshakeResponse;
+        this.socket.write(buff.toBuffer());
+        this.setState(constants_1.SocksClientState.SentInitialHandshake);
+    }
+    /**
+     * Handles initial Socks v5 handshake response.
+     * @param data
+     */
+    handleInitialSocks5HandshakeResponse() {
+        const data = this.receiveBuffer.get(2);
+        if (data[0] !== 0x05) {
+            this.closeSocket(constants_1.ERRORS.InvalidSocks5IntiailHandshakeSocksVersion);
+        }
+        else if (data[1] === constants_1.SOCKS5_NO_ACCEPTABLE_AUTH) {
+            this.closeSocket(constants_1.ERRORS.InvalidSocks5InitialHandshakeNoAcceptedAuthType);
+        }
+        else {
+            // If selected Socks v5 auth method is no auth, send final handshake request.
+            if (data[1] === constants_1.Socks5Auth.NoAuth) {
+                this.socks5ChosenAuthType = constants_1.Socks5Auth.NoAuth;
+                this.sendSocks5CommandRequest();
+                // If selected Socks v5 auth method is user/password, send auth handshake.
+            }
+            else if (data[1] === constants_1.Socks5Auth.UserPass) {
+                this.socks5ChosenAuthType = constants_1.Socks5Auth.UserPass;
+                this.sendSocks5UserPassAuthentication();
+                // If selected Socks v5 auth method is the custom_auth_method, send custom handshake.
+            }
+            else if (data[1] === this.options.proxy.custom_auth_method) {
+                this.socks5ChosenAuthType = this.options.proxy.custom_auth_method;
+                this.sendSocks5CustomAuthentication();
+            }
+            else {
+                this.closeSocket(constants_1.ERRORS.InvalidSocks5InitialHandshakeUnknownAuthType);
+            }
+        }
+    }
+    /**
+     * Sends Socks v5 user & password auth handshake.
+     *
+     * Note: No auth and user/pass are currently supported.
+     */
+    sendSocks5UserPassAuthentication() {
+        const userId = this.options.proxy.userId || '';
+        const password = this.options.proxy.password || '';
+        const buff = new smart_buffer_1.SmartBuffer();
+        buff.writeUInt8(0x01);
+        buff.writeUInt8(Buffer.byteLength(userId));
+        buff.writeString(userId);
+        buff.writeUInt8(Buffer.byteLength(password));
+        buff.writeString(password);
+        this.nextRequiredPacketBufferSize =
+            constants_1.SOCKS_INCOMING_PACKET_SIZES.Socks5UserPassAuthenticationResponse;
+        this.socket.write(buff.toBuffer());
+        this.setState(constants_1.SocksClientState.SentAuthentication);
+    }
+    sendSocks5CustomAuthentication() {
+        return __awaiter(this, void 0, void 0, function* () {
+            this.nextRequiredPacketBufferSize =
+                this.options.proxy.custom_auth_response_size;
+            this.socket.write(yield this.options.proxy.custom_auth_request_handler());
+            this.setState(constants_1.SocksClientState.SentAuthentication);
+        });
+    }
+    handleSocks5CustomAuthHandshakeResponse(data) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return yield this.options.proxy.custom_auth_response_handler(data);
+        });
+    }
+    handleSocks5AuthenticationNoAuthHandshakeResponse(data) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return data[1] === 0x00;
+        });
+    }
+    handleSocks5AuthenticationUserPassHandshakeResponse(data) {
+        return __awaiter(this, void 0, void 0, function* () {
+            return data[1] === 0x00;
+        });
+    }
+    /**
+     * Handles Socks v5 auth handshake response.
+     * @param data
+     */
+    handleInitialSocks5AuthenticationHandshakeResponse() {
+        return __awaiter(this, void 0, void 0, function* () {
+            this.setState(constants_1.SocksClientState.ReceivedAuthenticationResponse);
+            let authResult = false;
+            if (this.socks5ChosenAuthType === constants_1.Socks5Auth.NoAuth) {
+                authResult = yield this.handleSocks5AuthenticationNoAuthHandshakeResponse(this.receiveBuffer.get(2));
+            }
+            else if (this.socks5ChosenAuthType === constants_1.Socks5Auth.UserPass) {
+                authResult =
+                    yield this.handleSocks5AuthenticationUserPassHandshakeResponse(this.receiveBuffer.get(2));
+            }
+            else if (this.socks5ChosenAuthType === this.options.proxy.custom_auth_method) {
+                authResult = yield this.handleSocks5CustomAuthHandshakeResponse(this.receiveBuffer.get(this.options.proxy.custom_auth_response_size));
+            }
+            if (!authResult) {
+                this.closeSocket(constants_1.ERRORS.Socks5AuthenticationFailed);
+            }
+            else {
+                this.sendSocks5CommandRequest();
+            }
+        });
+    }
+    /**
+     * Sends Socks v5 final handshake request.
+     */
+    sendSocks5CommandRequest() {
+        const buff = new smart_buffer_1.SmartBuffer();
+        buff.writeUInt8(0x05);
+        buff.writeUInt8(constants_1.SocksCommand[this.options.command]);
+        buff.writeUInt8(0x00);
+        // ipv4, ipv6, domain?
+        if (net.isIPv4(this.options.destination.host)) {
+            buff.writeUInt8(constants_1.Socks5HostType.IPv4);
+            buff.writeBuffer(ip.toBuffer(this.options.destination.host));
+        }
+        else if (net.isIPv6(this.options.destination.host)) {
+            buff.writeUInt8(constants_1.Socks5HostType.IPv6);
+            buff.writeBuffer(ip.toBuffer(this.options.destination.host));
+        }
+        else {
+            buff.writeUInt8(constants_1.Socks5HostType.Hostname);
+            buff.writeUInt8(this.options.destination.host.length);
+            buff.writeString(this.options.destination.host);
+        }
+        buff.writeUInt16BE(this.options.destination.port);
+        this.nextRequiredPacketBufferSize =
+            constants_1.SOCKS_INCOMING_PACKET_SIZES.Socks5ResponseHeader;
+        this.socket.write(buff.toBuffer());
+        this.setState(constants_1.SocksClientState.SentFinalHandshake);
+    }
+    /**
+     * Handles Socks v5 final handshake response.
+     * @param data
+     */
+    handleSocks5FinalHandshakeResponse() {
+        // Peek at available data (we need at least 5 bytes to get the hostname length)
+        const header = this.receiveBuffer.peek(5);
+        if (header[0] !== 0x05 || header[1] !== constants_1.Socks5Response.Granted) {
+            this.closeSocket(`${constants_1.ERRORS.InvalidSocks5FinalHandshakeRejected} - ${constants_1.Socks5Response[header[1]]}`);
+        }
+        else {
+            // Read address type
+            const addressType = header[3];
+            let remoteHost;
+            let buff;
+            // IPv4
+            if (addressType === constants_1.Socks5HostType.IPv4) {
+                // Check if data is available.
+                const dataNeeded = constants_1.SOCKS_INCOMING_PACKET_SIZES.Socks5ResponseIPv4;
+                if (this.receiveBuffer.length < dataNeeded) {
+                    this.nextRequiredPacketBufferSize = dataNeeded;
+                    return;
+                }
+                buff = smart_buffer_1.SmartBuffer.fromBuffer(this.receiveBuffer.get(dataNeeded).slice(4));
+                remoteHost = {
+                    host: ip.fromLong(buff.readUInt32BE()),
+                    port: buff.readUInt16BE(),
+                };
+                // If given host is 0.0.0.0, assume remote proxy ip instead.
+                if (remoteHost.host === '0.0.0.0') {
+                    remoteHost.host = this.options.proxy.ipaddress;
+                }
+                // Hostname
+            }
+            else if (addressType === constants_1.Socks5HostType.Hostname) {
+                const hostLength = header[4];
+                const dataNeeded = constants_1.SOCKS_INCOMING_PACKET_SIZES.Socks5ResponseHostname(hostLength); // header + host length + host + port
+                // Check if data is available.
+                if (this.receiveBuffer.length < dataNeeded) {
+                    this.nextRequiredPacketBufferSize = dataNeeded;
+                    return;
+                }
+                buff = smart_buffer_1.SmartBuffer.fromBuffer(this.receiveBuffer.get(dataNeeded).slice(5));
+                remoteHost = {
+                    host: buff.readString(hostLength),
+                    port: buff.readUInt16BE(),
+                };
+                // IPv6
+            }
+            else if (addressType === constants_1.Socks5HostType.IPv6) {
+                // Check if data is available.
+                const dataNeeded = constants_1.SOCKS_INCOMING_PACKET_SIZES.Socks5ResponseIPv6;
+                if (this.receiveBuffer.length < dataNeeded) {
+                    this.nextRequiredPacketBufferSize = dataNeeded;
+                    return;
+                }
+                buff = smart_buffer_1.SmartBuffer.fromBuffer(this.receiveBuffer.get(dataNeeded).slice(4));
+                remoteHost = {
+                    host: ip.toString(buff.readBuffer(16)),
+                    port: buff.readUInt16BE(),
+                };
+            }
+            // We have everything we need
+            this.setState(constants_1.SocksClientState.ReceivedFinalResponse);
+            // If using CONNECT, the client is now in the established state.
+            if (constants_1.SocksCommand[this.options.command] === constants_1.SocksCommand.connect) {
+                this.setState(constants_1.SocksClientState.Established);
+                this.removeInternalSocketHandlers();
+                this.emit('established', { remoteHost, socket: this.socket });
+            }
+            else if (constants_1.SocksCommand[this.options.command] === constants_1.SocksCommand.bind) {
+                /* If using BIND, the Socks client is now in BoundWaitingForConnection state.
+                   This means that the remote proxy server is waiting for a remote connection to the bound port. */
+                this.setState(constants_1.SocksClientState.BoundWaitingForConnection);
+                this.nextRequiredPacketBufferSize =
+                    constants_1.SOCKS_INCOMING_PACKET_SIZES.Socks5ResponseHeader;
+                this.emit('bound', { remoteHost, socket: this.socket });
+                /*
+                  If using Associate, the Socks client is now Established. And the proxy server is now accepting UDP packets at the
+                  given bound port. This initial Socks TCP connection must remain open for the UDP relay to continue to work.
+                */
+            }
+            else if (constants_1.SocksCommand[this.options.command] === constants_1.SocksCommand.associate) {
+                this.setState(constants_1.SocksClientState.Established);
+                this.removeInternalSocketHandlers();
+                this.emit('established', {
+                    remoteHost,
+                    socket: this.socket,
+                });
+            }
+        }
+    }
+    /**
+     * Handles Socks v5 incoming connection request (BIND).
+     */
+    handleSocks5IncomingConnectionResponse() {
+        // Peek at available data (we need at least 5 bytes to get the hostname length)
+        const header = this.receiveBuffer.peek(5);
+        if (header[0] !== 0x05 || header[1] !== constants_1.Socks5Response.Granted) {
+            this.closeSocket(`${constants_1.ERRORS.Socks5ProxyRejectedIncomingBoundConnection} - ${constants_1.Socks5Response[header[1]]}`);
+        }
+        else {
+            // Read address type
+            const addressType = header[3];
+            let remoteHost;
+            let buff;
+            // IPv4
+            if (addressType === constants_1.Socks5HostType.IPv4) {
+                // Check if data is available.
+                const dataNeeded = constants_1.SOCKS_INCOMING_PACKET_SIZES.Socks5ResponseIPv4;
+                if (this.receiveBuffer.length < dataNeeded) {
+                    this.nextRequiredPacketBufferSize = dataNeeded;
+                    return;
+                }
+                buff = smart_buffer_1.SmartBuffer.fromBuffer(this.receiveBuffer.get(dataNeeded).slice(4));
+                remoteHost = {
+                    host: ip.fromLong(buff.readUInt32BE()),
+                    port: buff.readUInt16BE(),
+                };
+                // If given host is 0.0.0.0, assume remote proxy ip instead.
+                if (remoteHost.host === '0.0.0.0') {
+                    remoteHost.host = this.options.proxy.ipaddress;
+                }
+                // Hostname
+            }
+            else if (addressType === constants_1.Socks5HostType.Hostname) {
+                const hostLength = header[4];
+                const dataNeeded = constants_1.SOCKS_INCOMING_PACKET_SIZES.Socks5ResponseHostname(hostLength); // header + host length + port
+                // Check if data is available.
+                if (this.receiveBuffer.length < dataNeeded) {
+                    this.nextRequiredPacketBufferSize = dataNeeded;
+                    return;
+                }
+                buff = smart_buffer_1.SmartBuffer.fromBuffer(this.receiveBuffer.get(dataNeeded).slice(5));
+                remoteHost = {
+                    host: buff.readString(hostLength),
+                    port: buff.readUInt16BE(),
+                };
+                // IPv6
+            }
+            else if (addressType === constants_1.Socks5HostType.IPv6) {
+                // Check if data is available.
+                const dataNeeded = constants_1.SOCKS_INCOMING_PACKET_SIZES.Socks5ResponseIPv6;
+                if (this.receiveBuffer.length < dataNeeded) {
+                    this.nextRequiredPacketBufferSize = dataNeeded;
+                    return;
+                }
+                buff = smart_buffer_1.SmartBuffer.fromBuffer(this.receiveBuffer.get(dataNeeded).slice(4));
+                remoteHost = {
+                    host: ip.toString(buff.readBuffer(16)),
+                    port: buff.readUInt16BE(),
+                };
+            }
+            this.setState(constants_1.SocksClientState.Established);
+            this.removeInternalSocketHandlers();
+            this.emit('established', { remoteHost, socket: this.socket });
+        }
+    }
+    get socksClientOptions() {
+        return Object.assign({}, this.options);
+    }
+}
+exports.SocksClient = SocksClient;
+//# sourceMappingURL=socksclient.js.map
\ No newline at end of file
diff --git a/node_modules/socks/build/client/socksclient.js.map b/node_modules/socks/build/client/socksclient.js.map
new file mode 100644
index 000000000..b39f3add4
--- /dev/null
+++ b/node_modules/socks/build/client/socksclient.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/socks/build/common/constants.js b/node_modules/socks/build/common/constants.js
new file mode 100644
index 000000000..3c9ff90ac
--- /dev/null
+++ b/node_modules/socks/build/common/constants.js
@@ -0,0 +1,114 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SOCKS5_NO_ACCEPTABLE_AUTH = exports.SOCKS5_CUSTOM_AUTH_END = exports.SOCKS5_CUSTOM_AUTH_START = exports.SOCKS_INCOMING_PACKET_SIZES = exports.SocksClientState = exports.Socks5Response = exports.Socks5HostType = exports.Socks5Auth = exports.Socks4Response = exports.SocksCommand = exports.ERRORS = exports.DEFAULT_TIMEOUT = void 0;
+const DEFAULT_TIMEOUT = 30000;
+exports.DEFAULT_TIMEOUT = DEFAULT_TIMEOUT;
+// prettier-ignore
+const ERRORS = {
+    InvalidSocksCommand: 'An invalid SOCKS command was provided. Valid options are connect, bind, and associate.',
+    InvalidSocksCommandForOperation: 'An invalid SOCKS command was provided. Only a subset of commands are supported for this operation.',
+    InvalidSocksCommandChain: 'An invalid SOCKS command was provided. Chaining currently only supports the connect command.',
+    InvalidSocksClientOptionsDestination: 'An invalid destination host was provided.',
+    InvalidSocksClientOptionsExistingSocket: 'An invalid existing socket was provided. This should be an instance of stream.Duplex.',
+    InvalidSocksClientOptionsProxy: 'Invalid SOCKS proxy details were provided.',
+    InvalidSocksClientOptionsTimeout: 'An invalid timeout value was provided. Please enter a value above 0 (in ms).',
+    InvalidSocksClientOptionsProxiesLength: 'At least two socks proxies must be provided for chaining.',
+    InvalidSocksClientOptionsCustomAuthRange: 'Custom auth must be a value between 0x80 and 0xFE.',
+    InvalidSocksClientOptionsCustomAuthOptions: 'When a custom_auth_method is provided, custom_auth_request_handler, custom_auth_response_size, and custom_auth_response_handler must also be provided and valid.',
+    NegotiationError: 'Negotiation error',
+    SocketClosed: 'Socket closed',
+    ProxyConnectionTimedOut: 'Proxy connection timed out',
+    InternalError: 'SocksClient internal error (this should not happen)',
+    InvalidSocks4HandshakeResponse: 'Received invalid Socks4 handshake response',
+    Socks4ProxyRejectedConnection: 'Socks4 Proxy rejected connection',
+    InvalidSocks4IncomingConnectionResponse: 'Socks4 invalid incoming connection response',
+    Socks4ProxyRejectedIncomingBoundConnection: 'Socks4 Proxy rejected incoming bound connection',
+    InvalidSocks5InitialHandshakeResponse: 'Received invalid Socks5 initial handshake response',
+    InvalidSocks5IntiailHandshakeSocksVersion: 'Received invalid Socks5 initial handshake (invalid socks version)',
+    InvalidSocks5InitialHandshakeNoAcceptedAuthType: 'Received invalid Socks5 initial handshake (no accepted authentication type)',
+    InvalidSocks5InitialHandshakeUnknownAuthType: 'Received invalid Socks5 initial handshake (unknown authentication type)',
+    Socks5AuthenticationFailed: 'Socks5 Authentication failed',
+    InvalidSocks5FinalHandshake: 'Received invalid Socks5 final handshake response',
+    InvalidSocks5FinalHandshakeRejected: 'Socks5 proxy rejected connection',
+    InvalidSocks5IncomingConnectionResponse: 'Received invalid Socks5 incoming connection response',
+    Socks5ProxyRejectedIncomingBoundConnection: 'Socks5 Proxy rejected incoming bound connection',
+};
+exports.ERRORS = ERRORS;
+const SOCKS_INCOMING_PACKET_SIZES = {
+    Socks5InitialHandshakeResponse: 2,
+    Socks5UserPassAuthenticationResponse: 2,
+    // Command response + incoming connection (bind)
+    Socks5ResponseHeader: 5,
+    Socks5ResponseIPv4: 10,
+    Socks5ResponseIPv6: 22,
+    Socks5ResponseHostname: (hostNameLength) => hostNameLength + 7,
+    // Command response + incoming connection (bind)
+    Socks4Response: 8, // 2 header + 2 port + 4 ip
+};
+exports.SOCKS_INCOMING_PACKET_SIZES = SOCKS_INCOMING_PACKET_SIZES;
+var SocksCommand;
+(function (SocksCommand) {
+    SocksCommand[SocksCommand["connect"] = 1] = "connect";
+    SocksCommand[SocksCommand["bind"] = 2] = "bind";
+    SocksCommand[SocksCommand["associate"] = 3] = "associate";
+})(SocksCommand || (SocksCommand = {}));
+exports.SocksCommand = SocksCommand;
+var Socks4Response;
+(function (Socks4Response) {
+    Socks4Response[Socks4Response["Granted"] = 90] = "Granted";
+    Socks4Response[Socks4Response["Failed"] = 91] = "Failed";
+    Socks4Response[Socks4Response["Rejected"] = 92] = "Rejected";
+    Socks4Response[Socks4Response["RejectedIdent"] = 93] = "RejectedIdent";
+})(Socks4Response || (Socks4Response = {}));
+exports.Socks4Response = Socks4Response;
+var Socks5Auth;
+(function (Socks5Auth) {
+    Socks5Auth[Socks5Auth["NoAuth"] = 0] = "NoAuth";
+    Socks5Auth[Socks5Auth["GSSApi"] = 1] = "GSSApi";
+    Socks5Auth[Socks5Auth["UserPass"] = 2] = "UserPass";
+})(Socks5Auth || (Socks5Auth = {}));
+exports.Socks5Auth = Socks5Auth;
+const SOCKS5_CUSTOM_AUTH_START = 0x80;
+exports.SOCKS5_CUSTOM_AUTH_START = SOCKS5_CUSTOM_AUTH_START;
+const SOCKS5_CUSTOM_AUTH_END = 0xfe;
+exports.SOCKS5_CUSTOM_AUTH_END = SOCKS5_CUSTOM_AUTH_END;
+const SOCKS5_NO_ACCEPTABLE_AUTH = 0xff;
+exports.SOCKS5_NO_ACCEPTABLE_AUTH = SOCKS5_NO_ACCEPTABLE_AUTH;
+var Socks5Response;
+(function (Socks5Response) {
+    Socks5Response[Socks5Response["Granted"] = 0] = "Granted";
+    Socks5Response[Socks5Response["Failure"] = 1] = "Failure";
+    Socks5Response[Socks5Response["NotAllowed"] = 2] = "NotAllowed";
+    Socks5Response[Socks5Response["NetworkUnreachable"] = 3] = "NetworkUnreachable";
+    Socks5Response[Socks5Response["HostUnreachable"] = 4] = "HostUnreachable";
+    Socks5Response[Socks5Response["ConnectionRefused"] = 5] = "ConnectionRefused";
+    Socks5Response[Socks5Response["TTLExpired"] = 6] = "TTLExpired";
+    Socks5Response[Socks5Response["CommandNotSupported"] = 7] = "CommandNotSupported";
+    Socks5Response[Socks5Response["AddressNotSupported"] = 8] = "AddressNotSupported";
+})(Socks5Response || (Socks5Response = {}));
+exports.Socks5Response = Socks5Response;
+var Socks5HostType;
+(function (Socks5HostType) {
+    Socks5HostType[Socks5HostType["IPv4"] = 1] = "IPv4";
+    Socks5HostType[Socks5HostType["Hostname"] = 3] = "Hostname";
+    Socks5HostType[Socks5HostType["IPv6"] = 4] = "IPv6";
+})(Socks5HostType || (Socks5HostType = {}));
+exports.Socks5HostType = Socks5HostType;
+var SocksClientState;
+(function (SocksClientState) {
+    SocksClientState[SocksClientState["Created"] = 0] = "Created";
+    SocksClientState[SocksClientState["Connecting"] = 1] = "Connecting";
+    SocksClientState[SocksClientState["Connected"] = 2] = "Connected";
+    SocksClientState[SocksClientState["SentInitialHandshake"] = 3] = "SentInitialHandshake";
+    SocksClientState[SocksClientState["ReceivedInitialHandshakeResponse"] = 4] = "ReceivedInitialHandshakeResponse";
+    SocksClientState[SocksClientState["SentAuthentication"] = 5] = "SentAuthentication";
+    SocksClientState[SocksClientState["ReceivedAuthenticationResponse"] = 6] = "ReceivedAuthenticationResponse";
+    SocksClientState[SocksClientState["SentFinalHandshake"] = 7] = "SentFinalHandshake";
+    SocksClientState[SocksClientState["ReceivedFinalResponse"] = 8] = "ReceivedFinalResponse";
+    SocksClientState[SocksClientState["BoundWaitingForConnection"] = 9] = "BoundWaitingForConnection";
+    SocksClientState[SocksClientState["Established"] = 10] = "Established";
+    SocksClientState[SocksClientState["Disconnected"] = 11] = "Disconnected";
+    SocksClientState[SocksClientState["Error"] = 99] = "Error";
+})(SocksClientState || (SocksClientState = {}));
+exports.SocksClientState = SocksClientState;
+//# sourceMappingURL=constants.js.map
\ No newline at end of file
diff --git a/node_modules/socks/build/common/constants.js.map b/node_modules/socks/build/common/constants.js.map
new file mode 100644
index 000000000..c1e070dea
--- /dev/null
+++ b/node_modules/socks/build/common/constants.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"constants.js","sourceRoot":"","sources":["../../src/common/constants.ts"],"names":[],"mappings":";;;AAIA,MAAM,eAAe,GAAG,KAAK,CAAC;AA4M5B,0CAAe;AAxMjB,kBAAkB;AAClB,MAAM,MAAM,GAAG;IACb,mBAAmB,EAAE,wFAAwF;IAC7G,+BAA+B,EAAE,oGAAoG;IACrI,wBAAwB,EAAE,8FAA8F;IACxH,oCAAoC,EAAE,2CAA2C;IACjF,uCAAuC,EAAE,uFAAuF;IAChI,8BAA8B,EAAE,4CAA4C;IAC5E,gCAAgC,EAAE,8EAA8E;IAChH,sCAAsC,EAAE,2DAA2D;IACnG,wCAAwC,EAAE,oDAAoD;IAC9F,0CAA0C,EAAE,kKAAkK;IAC9M,gBAAgB,EAAE,mBAAmB;IACrC,YAAY,EAAE,eAAe;IAC7B,uBAAuB,EAAE,4BAA4B;IACrD,aAAa,EAAE,qDAAqD;IACpE,8BAA8B,EAAE,4CAA4C;IAC5E,6BAA6B,EAAE,kCAAkC;IACjE,uCAAuC,EAAE,6CAA6C;IACtF,0CAA0C,EAAE,iDAAiD;IAC7F,qCAAqC,EAAE,oDAAoD;IAC3F,yCAAyC,EAAE,mEAAmE;IAC9G,+CAA+C,EAAE,6EAA6E;IAC9H,4CAA4C,EAAE,yEAAyE;IACvH,0BAA0B,EAAE,8BAA8B;IAC1D,2BAA2B,EAAE,kDAAkD;IAC/E,mCAAmC,EAAE,kCAAkC;IACvE,uCAAuC,EAAE,sDAAsD;IAC/F,0CAA0C,EAAE,iDAAiD;CAC9F,CAAC;AA4KA,wBAAM;AA1KR,MAAM,2BAA2B,GAAG;IAClC,8BAA8B,EAAE,CAAC;IACjC,oCAAoC,EAAE,CAAC;IACvC,gDAAgD;IAChD,oBAAoB,EAAE,CAAC;IACvB,kBAAkB,EAAE,EAAE;IACtB,kBAAkB,EAAE,EAAE;IACtB,sBAAsB,EAAE,CAAC,cAAsB,EAAE,EAAE,CAAC,cAAc,GAAG,CAAC;IACtE,gDAAgD;IAChD,cAAc,EAAE,CAAC,EAAE,2BAA2B;CAC/C,CAAC;AAgLA,kEAA2B;AA5K7B,IAAK,YAIJ;AAJD,WAAK,YAAY;IACf,qDAAc,CAAA;IACd,+CAAW,CAAA;IACX,yDAAgB,CAAA;AAClB,CAAC,EAJI,YAAY,KAAZ,YAAY,QAIhB;AA0JC,oCAAY;AAxJd,IAAK,cAKJ;AALD,WAAK,cAAc;IACjB,0DAAc,CAAA;IACd,wDAAa,CAAA;IACb,4DAAe,CAAA;IACf,sEAAoB,CAAA;AACtB,CAAC,EALI,cAAc,KAAd,cAAc,QAKlB;AAoJC,wCAAc;AAlJhB,IAAK,UAIJ;AAJD,WAAK,UAAU;IACb,+CAAa,CAAA;IACb,+CAAa,CAAA;IACb,mDAAe,CAAA;AACjB,CAAC,EAJI,UAAU,KAAV,UAAU,QAId;AA+IC,gCAAU;AA7IZ,MAAM,wBAAwB,GAAG,IAAI,CAAC;AA0JpC,4DAAwB;AAzJ1B,MAAM,sBAAsB,GAAG,IAAI,CAAC;AA0JlC,wDAAsB;AAxJxB,MAAM,yBAAyB,GAAG,IAAI,CAAC;AAyJrC,8DAAyB;AAvJ3B,IAAK,cAUJ;AAVD,WAAK,cAAc;IACjB,yDAAc,CAAA;IACd,yDAAc,CAAA;IACd,+DAAiB,CAAA;IACjB,+EAAyB,CAAA;IACzB,yEAAsB,CAAA;IACtB,6EAAwB,CAAA;IACxB,+DAAiB,CAAA;IACjB,iFAA0B,CAAA;IAC1B,iFAA0B,CAAA;AAC5B,CAAC,EAVI,cAAc,KAAd,cAAc,QAUlB;AAgIC,wCAAc;AA9HhB,IAAK,cAIJ;AAJD,WAAK,cAAc;IACjB,mDAAW,CAAA;IACX,2DAAe,CAAA;IACf,mDAAW,CAAA;AACb,CAAC,EAJI,cAAc,KAAd,cAAc,QAIlB;AAyHC,wCAAc;AAvHhB,IAAK,gBAcJ;AAdD,WAAK,gBAAgB;IACnB,6DAAW,CAAA;IACX,mEAAc,CAAA;IACd,iEAAa,CAAA;IACb,uFAAwB,CAAA;IACxB,+GAAoC,CAAA;IACpC,mFAAsB,CAAA;IACtB,2GAAkC,CAAA;IAClC,mFAAsB,CAAA;IACtB,yFAAyB,CAAA;IACzB,iGAA6B,CAAA;IAC7B,sEAAgB,CAAA;IAChB,wEAAiB,CAAA;IACjB,0DAAU,CAAA;AACZ,CAAC,EAdI,gBAAgB,KAAhB,gBAAgB,QAcpB;AA2GC,4CAAgB"}
\ No newline at end of file
diff --git a/node_modules/socks/build/common/helpers.js b/node_modules/socks/build/common/helpers.js
new file mode 100644
index 000000000..f84db8f67
--- /dev/null
+++ b/node_modules/socks/build/common/helpers.js
@@ -0,0 +1,128 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.validateSocksClientChainOptions = exports.validateSocksClientOptions = void 0;
+const util_1 = require("./util");
+const constants_1 = require("./constants");
+const stream = require("stream");
+/**
+ * Validates the provided SocksClientOptions
+ * @param options { SocksClientOptions }
+ * @param acceptedCommands { string[] } A list of accepted SocksProxy commands.
+ */
+function validateSocksClientOptions(options, acceptedCommands = ['connect', 'bind', 'associate']) {
+    // Check SOCKs command option.
+    if (!constants_1.SocksCommand[options.command]) {
+        throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksCommand, options);
+    }
+    // Check SocksCommand for acceptable command.
+    if (acceptedCommands.indexOf(options.command) === -1) {
+        throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksCommandForOperation, options);
+    }
+    // Check destination
+    if (!isValidSocksRemoteHost(options.destination)) {
+        throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksClientOptionsDestination, options);
+    }
+    // Check SOCKS proxy to use
+    if (!isValidSocksProxy(options.proxy)) {
+        throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksClientOptionsProxy, options);
+    }
+    // Validate custom auth (if set)
+    validateCustomProxyAuth(options.proxy, options);
+    // Check timeout
+    if (options.timeout && !isValidTimeoutValue(options.timeout)) {
+        throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksClientOptionsTimeout, options);
+    }
+    // Check existing_socket (if provided)
+    if (options.existing_socket &&
+        !(options.existing_socket instanceof stream.Duplex)) {
+        throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksClientOptionsExistingSocket, options);
+    }
+}
+exports.validateSocksClientOptions = validateSocksClientOptions;
+/**
+ * Validates the SocksClientChainOptions
+ * @param options { SocksClientChainOptions }
+ */
+function validateSocksClientChainOptions(options) {
+    // Only connect is supported when chaining.
+    if (options.command !== 'connect') {
+        throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksCommandChain, options);
+    }
+    // Check destination
+    if (!isValidSocksRemoteHost(options.destination)) {
+        throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksClientOptionsDestination, options);
+    }
+    // Validate proxies (length)
+    if (!(options.proxies &&
+        Array.isArray(options.proxies) &&
+        options.proxies.length >= 2)) {
+        throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksClientOptionsProxiesLength, options);
+    }
+    // Validate proxies
+    options.proxies.forEach((proxy) => {
+        if (!isValidSocksProxy(proxy)) {
+            throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksClientOptionsProxy, options);
+        }
+        // Validate custom auth (if set)
+        validateCustomProxyAuth(proxy, options);
+    });
+    // Check timeout
+    if (options.timeout && !isValidTimeoutValue(options.timeout)) {
+        throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksClientOptionsTimeout, options);
+    }
+}
+exports.validateSocksClientChainOptions = validateSocksClientChainOptions;
+function validateCustomProxyAuth(proxy, options) {
+    if (proxy.custom_auth_method !== undefined) {
+        // Invalid auth method range
+        if (proxy.custom_auth_method < constants_1.SOCKS5_CUSTOM_AUTH_START ||
+            proxy.custom_auth_method > constants_1.SOCKS5_CUSTOM_AUTH_END) {
+            throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksClientOptionsCustomAuthRange, options);
+        }
+        // Missing custom_auth_request_handler
+        if (proxy.custom_auth_request_handler === undefined ||
+            typeof proxy.custom_auth_request_handler !== 'function') {
+            throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksClientOptionsCustomAuthOptions, options);
+        }
+        // Missing custom_auth_response_size
+        if (proxy.custom_auth_response_size === undefined) {
+            throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksClientOptionsCustomAuthOptions, options);
+        }
+        // Missing/invalid custom_auth_response_handler
+        if (proxy.custom_auth_response_handler === undefined ||
+            typeof proxy.custom_auth_response_handler !== 'function') {
+            throw new util_1.SocksClientError(constants_1.ERRORS.InvalidSocksClientOptionsCustomAuthOptions, options);
+        }
+    }
+}
+/**
+ * Validates a SocksRemoteHost
+ * @param remoteHost { SocksRemoteHost }
+ */
+function isValidSocksRemoteHost(remoteHost) {
+    return (remoteHost &&
+        typeof remoteHost.host === 'string' &&
+        typeof remoteHost.port === 'number' &&
+        remoteHost.port >= 0 &&
+        remoteHost.port <= 65535);
+}
+/**
+ * Validates a SocksProxy
+ * @param proxy { SocksProxy }
+ */
+function isValidSocksProxy(proxy) {
+    return (proxy &&
+        (typeof proxy.host === 'string' || typeof proxy.ipaddress === 'string') &&
+        typeof proxy.port === 'number' &&
+        proxy.port >= 0 &&
+        proxy.port <= 65535 &&
+        (proxy.type === 4 || proxy.type === 5));
+}
+/**
+ * Validates a timeout value.
+ * @param value { Number }
+ */
+function isValidTimeoutValue(value) {
+    return typeof value === 'number' && value > 0;
+}
+//# sourceMappingURL=helpers.js.map
\ No newline at end of file
diff --git a/node_modules/socks/build/common/helpers.js.map b/node_modules/socks/build/common/helpers.js.map
new file mode 100644
index 000000000..dae124861
--- /dev/null
+++ b/node_modules/socks/build/common/helpers.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"helpers.js","sourceRoot":"","sources":["../../src/common/helpers.ts"],"names":[],"mappings":";;;AAKA,iCAAwC;AACxC,2CAMqB;AACrB,iCAAiC;AAEjC;;;;GAIG;AACH,SAAS,0BAA0B,CACjC,OAA2B,EAC3B,gBAAgB,GAAG,CAAC,SAAS,EAAE,MAAM,EAAE,WAAW,CAAC;IAEnD,8BAA8B;IAC9B,IAAI,CAAC,wBAAY,CAAC,OAAO,CAAC,OAAO,CAAC,EAAE;QAClC,MAAM,IAAI,uBAAgB,CAAC,kBAAM,CAAC,mBAAmB,EAAE,OAAO,CAAC,CAAC;KACjE;IAED,6CAA6C;IAC7C,IAAI,gBAAgB,CAAC,OAAO,CAAC,OAAO,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC,EAAE;QACpD,MAAM,IAAI,uBAAgB,CAAC,kBAAM,CAAC,+BAA+B,EAAE,OAAO,CAAC,CAAC;KAC7E;IAED,oBAAoB;IACpB,IAAI,CAAC,sBAAsB,CAAC,OAAO,CAAC,WAAW,CAAC,EAAE;QAChD,MAAM,IAAI,uBAAgB,CACxB,kBAAM,CAAC,oCAAoC,EAC3C,OAAO,CACR,CAAC;KACH;IAED,2BAA2B;IAC3B,IAAI,CAAC,iBAAiB,CAAC,OAAO,CAAC,KAAK,CAAC,EAAE;QACrC,MAAM,IAAI,uBAAgB,CAAC,kBAAM,CAAC,8BAA8B,EAAE,OAAO,CAAC,CAAC;KAC5E;IAED,gCAAgC;IAChC,uBAAuB,CAAC,OAAO,CAAC,KAAK,EAAE,OAAO,CAAC,CAAC;IAEhD,gBAAgB;IAChB,IAAI,OAAO,CAAC,OAAO,IAAI,CAAC,mBAAmB,CAAC,OAAO,CAAC,OAAO,CAAC,EAAE;QAC5D,MAAM,IAAI,uBAAgB,CACxB,kBAAM,CAAC,gCAAgC,EACvC,OAAO,CACR,CAAC;KACH;IAED,sCAAsC;IACtC,IACE,OAAO,CAAC,eAAe;QACvB,CAAC,CAAC,OAAO,CAAC,eAAe,YAAY,MAAM,CAAC,MAAM,CAAC,EACnD;QACA,MAAM,IAAI,uBAAgB,CACxB,kBAAM,CAAC,uCAAuC,EAC9C,OAAO,CACR,CAAC;KACH;AACH,CAAC;AA6IO,gEAA0B;AA3IlC;;;GAGG;AACH,SAAS,+BAA+B,CAAC,OAAgC;IACvE,2CAA2C;IAC3C,IAAI,OAAO,CAAC,OAAO,KAAK,SAAS,EAAE;QACjC,MAAM,IAAI,uBAAgB,CAAC,kBAAM,CAAC,wBAAwB,EAAE,OAAO,CAAC,CAAC;KACtE;IAED,oBAAoB;IACpB,IAAI,CAAC,sBAAsB,CAAC,OAAO,CAAC,WAAW,CAAC,EAAE;QAChD,MAAM,IAAI,uBAAgB,CACxB,kBAAM,CAAC,oCAAoC,EAC3C,OAAO,CACR,CAAC;KACH;IAED,4BAA4B;IAC5B,IACE,CAAC,CACC,OAAO,CAAC,OAAO;QACf,KAAK,CAAC,OAAO,CAAC,OAAO,CAAC,OAAO,CAAC;QAC9B,OAAO,CAAC,OAAO,CAAC,MAAM,IAAI,CAAC,CAC5B,EACD;QACA,MAAM,IAAI,uBAAgB,CACxB,kBAAM,CAAC,sCAAsC,EAC7C,OAAO,CACR,CAAC;KACH;IAED,mBAAmB;IACnB,OAAO,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC,KAAiB,EAAE,EAAE;QAC5C,IAAI,CAAC,iBAAiB,CAAC,KAAK,CAAC,EAAE;YAC7B,MAAM,IAAI,uBAAgB,CACxB,kBAAM,CAAC,8BAA8B,EACrC,OAAO,CACR,CAAC;SACH;QAED,gCAAgC;QAChC,uBAAuB,CAAC,KAAK,EAAE,OAAO,CAAC,CAAC;IAC1C,CAAC,CAAC,CAAC;IAEH,gBAAgB;IAChB,IAAI,OAAO,CAAC,OAAO,IAAI,CAAC,mBAAmB,CAAC,OAAO,CAAC,OAAO,CAAC,EAAE;QAC5D,MAAM,IAAI,uBAAgB,CACxB,kBAAM,CAAC,gCAAgC,EACvC,OAAO,CACR,CAAC;KACH;AACH,CAAC;AAuFmC,0EAA+B;AArFnE,SAAS,uBAAuB,CAC9B,KAAiB,EACjB,OAAqD;IAErD,IAAI,KAAK,CAAC,kBAAkB,KAAK,SAAS,EAAE;QAC1C,4BAA4B;QAC5B,IACE,KAAK,CAAC,kBAAkB,GAAG,oCAAwB;YACnD,KAAK,CAAC,kBAAkB,GAAG,kCAAsB,EACjD;YACA,MAAM,IAAI,uBAAgB,CACxB,kBAAM,CAAC,wCAAwC,EAC/C,OAAO,CACR,CAAC;SACH;QAED,sCAAsC;QACtC,IACE,KAAK,CAAC,2BAA2B,KAAK,SAAS;YAC/C,OAAO,KAAK,CAAC,2BAA2B,KAAK,UAAU,EACvD;YACA,MAAM,IAAI,uBAAgB,CACxB,kBAAM,CAAC,0CAA0C,EACjD,OAAO,CACR,CAAC;SACH;QAED,oCAAoC;QACpC,IAAI,KAAK,CAAC,yBAAyB,KAAK,SAAS,EAAE;YACjD,MAAM,IAAI,uBAAgB,CACxB,kBAAM,CAAC,0CAA0C,EACjD,OAAO,CACR,CAAC;SACH;QAED,+CAA+C;QAC/C,IACE,KAAK,CAAC,4BAA4B,KAAK,SAAS;YAChD,OAAO,KAAK,CAAC,4BAA4B,KAAK,UAAU,EACxD;YACA,MAAM,IAAI,uBAAgB,CACxB,kBAAM,CAAC,0CAA0C,EACjD,OAAO,CACR,CAAC;SACH;KACF;AACH,CAAC;AAED;;;GAGG;AACH,SAAS,sBAAsB,CAAC,UAA2B;IACzD,OAAO,CACL,UAAU;QACV,OAAO,UAAU,CAAC,IAAI,KAAK,QAAQ;QACnC,OAAO,UAAU,CAAC,IAAI,KAAK,QAAQ;QACnC,UAAU,CAAC,IAAI,IAAI,CAAC;QACpB,UAAU,CAAC,IAAI,IAAI,KAAK,CACzB,CAAC;AACJ,CAAC;AAED;;;GAGG;AACH,SAAS,iBAAiB,CAAC,KAAiB;IAC1C,OAAO,CACL,KAAK;QACL,CAAC,OAAO,KAAK,CAAC,IAAI,KAAK,QAAQ,IAAI,OAAO,KAAK,CAAC,SAAS,KAAK,QAAQ,CAAC;QACvE,OAAO,KAAK,CAAC,IAAI,KAAK,QAAQ;QAC9B,KAAK,CAAC,IAAI,IAAI,CAAC;QACf,KAAK,CAAC,IAAI,IAAI,KAAK;QACnB,CAAC,KAAK,CAAC,IAAI,KAAK,CAAC,IAAI,KAAK,CAAC,IAAI,KAAK,CAAC,CAAC,CACvC,CAAC;AACJ,CAAC;AAED;;;GAGG;AACH,SAAS,mBAAmB,CAAC,KAAa;IACxC,OAAO,OAAO,KAAK,KAAK,QAAQ,IAAI,KAAK,GAAG,CAAC,CAAC;AAChD,CAAC"}
\ No newline at end of file
diff --git a/node_modules/socks/build/common/receivebuffer.js b/node_modules/socks/build/common/receivebuffer.js
new file mode 100644
index 000000000..3dacbf9b9
--- /dev/null
+++ b/node_modules/socks/build/common/receivebuffer.js
@@ -0,0 +1,43 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.ReceiveBuffer = void 0;
+class ReceiveBuffer {
+    constructor(size = 4096) {
+        this.buffer = Buffer.allocUnsafe(size);
+        this.offset = 0;
+        this.originalSize = size;
+    }
+    get length() {
+        return this.offset;
+    }
+    append(data) {
+        if (!Buffer.isBuffer(data)) {
+            throw new Error('Attempted to append a non-buffer instance to ReceiveBuffer.');
+        }
+        if (this.offset + data.length >= this.buffer.length) {
+            const tmp = this.buffer;
+            this.buffer = Buffer.allocUnsafe(Math.max(this.buffer.length + this.originalSize, this.buffer.length + data.length));
+            tmp.copy(this.buffer);
+        }
+        data.copy(this.buffer, this.offset);
+        return (this.offset += data.length);
+    }
+    peek(length) {
+        if (length > this.offset) {
+            throw new Error('Attempted to read beyond the bounds of the managed internal data.');
+        }
+        return this.buffer.slice(0, length);
+    }
+    get(length) {
+        if (length > this.offset) {
+            throw new Error('Attempted to read beyond the bounds of the managed internal data.');
+        }
+        const value = Buffer.allocUnsafe(length);
+        this.buffer.slice(0, length).copy(value);
+        this.buffer.copyWithin(0, length, length + this.offset - length);
+        this.offset -= length;
+        return value;
+    }
+}
+exports.ReceiveBuffer = ReceiveBuffer;
+//# sourceMappingURL=receivebuffer.js.map
\ No newline at end of file
diff --git a/node_modules/socks/build/common/receivebuffer.js.map b/node_modules/socks/build/common/receivebuffer.js.map
new file mode 100644
index 000000000..af5e22090
--- /dev/null
+++ b/node_modules/socks/build/common/receivebuffer.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"receivebuffer.js","sourceRoot":"","sources":["../../src/common/receivebuffer.ts"],"names":[],"mappings":";;;AAAA,MAAM,aAAa;IAKjB,YAAY,IAAI,GAAG,IAAI;QACrB,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC,WAAW,CAAC,IAAI,CAAC,CAAC;QACvC,IAAI,CAAC,MAAM,GAAG,CAAC,CAAC;QAChB,IAAI,CAAC,YAAY,GAAG,IAAI,CAAC;IAC3B,CAAC;IAED,IAAI,MAAM;QACR,OAAO,IAAI,CAAC,MAAM,CAAC;IACrB,CAAC;IAED,MAAM,CAAC,IAAY;QACjB,IAAI,CAAC,MAAM,CAAC,QAAQ,CAAC,IAAI,CAAC,EAAE;YAC1B,MAAM,IAAI,KAAK,CACb,6DAA6D,CAC9D,CAAC;SACH;QAED,IAAI,IAAI,CAAC,MAAM,GAAG,IAAI,CAAC,MAAM,IAAI,IAAI,CAAC,MAAM,CAAC,MAAM,EAAE;YACnD,MAAM,GAAG,GAAG,IAAI,CAAC,MAAM,CAAC;YACxB,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC,WAAW,CAC9B,IAAI,CAAC,GAAG,CACN,IAAI,CAAC,MAAM,CAAC,MAAM,GAAG,IAAI,CAAC,YAAY,EACtC,IAAI,CAAC,MAAM,CAAC,MAAM,GAAG,IAAI,CAAC,MAAM,CACjC,CACF,CAAC;YACF,GAAG,CAAC,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;SACvB;QAED,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,MAAM,EAAE,IAAI,CAAC,MAAM,CAAC,CAAC;QACpC,OAAO,CAAC,IAAI,CAAC,MAAM,IAAI,IAAI,CAAC,MAAM,CAAC,CAAC;IACtC,CAAC;IAED,IAAI,CAAC,MAAc;QACjB,IAAI,MAAM,GAAG,IAAI,CAAC,MAAM,EAAE;YACxB,MAAM,IAAI,KAAK,CACb,mEAAmE,CACpE,CAAC;SACH;QACD,OAAO,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC,EAAE,MAAM,CAAC,CAAC;IACtC,CAAC;IAED,GAAG,CAAC,MAAc;QAChB,IAAI,MAAM,GAAG,IAAI,CAAC,MAAM,EAAE;YACxB,MAAM,IAAI,KAAK,CACb,mEAAmE,CACpE,CAAC;SACH;QAED,MAAM,KAAK,GAAG,MAAM,CAAC,WAAW,CAAC,MAAM,CAAC,CAAC;QACzC,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC,EAAE,MAAM,CAAC,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;QACzC,IAAI,CAAC,MAAM,CAAC,UAAU,CAAC,CAAC,EAAE,MAAM,EAAE,MAAM,GAAG,IAAI,CAAC,MAAM,GAAG,MAAM,CAAC,CAAC;QACjE,IAAI,CAAC,MAAM,IAAI,MAAM,CAAC;QAEtB,OAAO,KAAK,CAAC;IACf,CAAC;CACF;AAEO,sCAAa"}
\ No newline at end of file
diff --git a/node_modules/socks/build/common/util.js b/node_modules/socks/build/common/util.js
new file mode 100644
index 000000000..f66b72e43
--- /dev/null
+++ b/node_modules/socks/build/common/util.js
@@ -0,0 +1,25 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.shuffleArray = exports.SocksClientError = void 0;
+/**
+ * Error wrapper for SocksClient
+ */
+class SocksClientError extends Error {
+    constructor(message, options) {
+        super(message);
+        this.options = options;
+    }
+}
+exports.SocksClientError = SocksClientError;
+/**
+ * Shuffles a given array.
+ * @param array The array to shuffle.
+ */
+function shuffleArray(array) {
+    for (let i = array.length - 1; i > 0; i--) {
+        const j = Math.floor(Math.random() * (i + 1));
+        [array[i], array[j]] = [array[j], array[i]];
+    }
+}
+exports.shuffleArray = shuffleArray;
+//# sourceMappingURL=util.js.map
\ No newline at end of file
diff --git a/node_modules/socks/build/common/util.js.map b/node_modules/socks/build/common/util.js.map
new file mode 100644
index 000000000..f1993233d
--- /dev/null
+++ b/node_modules/socks/build/common/util.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"util.js","sourceRoot":"","sources":["../../src/common/util.ts"],"names":[],"mappings":";;;AAEA;;GAEG;AACH,MAAM,gBAAiB,SAAQ,KAAK;IAClC,YACE,OAAe,EACR,OAAqD;QAE5D,KAAK,CAAC,OAAO,CAAC,CAAC;QAFR,YAAO,GAAP,OAAO,CAA8C;IAG9D,CAAC;CACF;AAuBuB,4CAAgB;AArBxC;;;GAGG;AACH,SAAS,YAAY,CAAC,KAAgB;IACpC,KAAK,IAAI,CAAC,GAAG,KAAK,CAAC,MAAM,GAAG,CAAC,EAAE,CAAC,GAAG,CAAC,EAAE,CAAC,EAAE,EAAE;QACzC,MAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,MAAM,EAAE,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC;QAC9C,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,KAAK,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC;KAC7C;AACH,CAAC;AAYyC,oCAAY"}
\ No newline at end of file
diff --git a/node_modules/socks/build/index.js b/node_modules/socks/build/index.js
new file mode 100644
index 000000000..05fbb1d94
--- /dev/null
+++ b/node_modules/socks/build/index.js
@@ -0,0 +1,18 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+__exportStar(require("./client/socksclient"), exports);
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/node_modules/socks/build/index.js.map b/node_modules/socks/build/index.js.map
new file mode 100644
index 000000000..0e2bcb27b
--- /dev/null
+++ b/node_modules/socks/build/index.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../src/index.ts"],"names":[],"mappings":";;;;;;;;;;;;;;;;AAAA,uDAAqC"}
\ No newline at end of file
diff --git a/node_modules/socks/docs/examples/index.md b/node_modules/socks/docs/examples/index.md
new file mode 100644
index 000000000..87bfe250e
--- /dev/null
+++ b/node_modules/socks/docs/examples/index.md
@@ -0,0 +1,17 @@
+# socks examples
+
+## TypeScript Examples
+
+[Connect command](typescript/connectExample.md)
+
+[Bind command](typescript/bindExample.md)
+
+[Associate command](typescript/associateExample.md)
+
+## JavaScript Examples
+
+[Connect command](javascript/connectExample.md)
+
+[Bind command](javascript/bindExample.md)
+
+[Associate command](javascript/associateExample.md)
\ No newline at end of file
diff --git a/node_modules/socks/docs/examples/javascript/associateExample.md b/node_modules/socks/docs/examples/javascript/associateExample.md
new file mode 100644
index 000000000..c2c7b17b7
--- /dev/null
+++ b/node_modules/socks/docs/examples/javascript/associateExample.md
@@ -0,0 +1,90 @@
+# socks examples
+
+## Example for SOCKS 'associate' command
+
+The associate command tells the SOCKS proxy server to establish a UDP relay. The server binds to a new UDP port and communicates the newly opened port back to the origin client. From here, any SOCKS UDP frame packets sent to this special UDP port on the Proxy server will be forwarded to the desired destination, and any responses will be forwarded back to the origin client (you).
+
+This can be used for things such as DNS queries, and other UDP communicates.
+
+**Connection Steps**
+
+1. Client -(associate)-> Proxy (Tells the proxy to create a UDP relay and bind on a new port)
+2. Client <-(port)- Proxy (Tells the origin client which port it opened and is accepting UDP frame packets on)
+
+At this point the proxy is accepting UDP frames on the specified port.
+
+3. Client --(udp frame) -> Proxy -> Destination (The origin client sends a UDP frame to the proxy on the UDP port, and the proxy then forwards it to the destination specified in the UDP frame.)
+4. Client <--(udp frame) <-- Proxy <-- Destination (The destination client responds to the udp packet sent in #3)
+
+## Usage
+
+The 'associate' command can only be used by creating a new SocksClient instance and listening for the 'established' event.
+
+**Note:** UDP packets relayed through the proxy servers are encompassed in a special Socks UDP frame format. SocksClient.createUDPFrame() and SocksClient.parseUDPFrame() create and parse these special UDP packets.
+
+```typescript
+const dgram = require('dgram');
+const SocksClient = require('socks').SocksClient;
+
+// Create a local UDP socket for sending/receiving packets to/from the proxy.
+const udpSocket = dgram.createSocket('udp4');
+udpSocket.bind();
+
+// Listen for incoming UDP packets from the proxy server.
+udpSocket.on('message', (message, rinfo) => {
+  console.log(SocksClient.parseUDPFrame(message));
+  /*
+  { frameNumber: 0,
+    remoteHost: { host: '8.8.8.8', port: 53 }, // The remote host that replied with a UDP packet
+    data: <Buffer 74 65 73 74 0a> // The data
+  }
+  */
+});
+
+const options = {
+  proxy: {
+    host: '104.131.124.203',
+    port: 1081,
+    type: 5
+  },
+
+  // This should be the ip and port of the expected client that will be sending UDP frames to the newly opened UDP port on the server.
+  // Most SOCKS servers accept 0.0.0.0 as a wildcard address to accept UDP frames from any source.
+  destination: {
+    host: '0.0.0.0',
+    port: 0
+  },
+
+  command: 'associate'
+};
+
+const client = new SocksClient(options);
+
+// This event is fired when the SOCKS server has started listening on a new UDP port for UDP relaying.
+client.on('established', info => {
+  console.log(info);
+  /*
+  {
+    socket: <Socket ...>,
+    remoteHost: { // This is the remote port on the SOCKS proxy server to send UDP frame packets to.
+      host: '104.131.124.203',
+      port: 58232
+    }
+  }
+  */
+
+  // Send a udp frame to 8.8.8.8 on port 53 through the proxy.
+  const packet = SocksClient.createUDPFrame({
+    remoteHost: { host: '8.8.8.8', port: 53 },
+    data: Buffer.from('hello') // A DNS lookup in the real world.
+  });
+
+  // Send packet.
+  udpSocket.send(packet, info.remoteHost.port, info.remoteHost.host);
+});
+
+// SOCKS proxy failed to bind.
+client.on('error', () => {
+  // Handle errors
+});
+```
diff --git a/node_modules/socks/docs/examples/javascript/bindExample.md b/node_modules/socks/docs/examples/javascript/bindExample.md
new file mode 100644
index 000000000..be601d522
--- /dev/null
+++ b/node_modules/socks/docs/examples/javascript/bindExample.md
@@ -0,0 +1,83 @@
+# socks examples
+
+## Example for SOCKS 'bind' command
+
+The bind command tells the SOCKS proxy server to bind and listen on a new TCP port for an incoming connection. It communicates the newly opened port back to the origin client. Once a incoming connection is accepted by the SOCKS proxy server it then communicates the remote host that connected to the SOCKS proxy back through the same initial connection via the origin client.
+
+This can be used for things such as FTP clients which require incoming TCP connections, etc.
+
+**Connection Steps**
+
+1. Client -(bind)-> Proxy    (Tells the proxy to bind to a new port)
+2. Client <-(port)- Proxy    (Tells the origin client which port it opened)
+3. Client2 --> Proxy    (Other client connects to the proxy on this port)
+4. Client <--(client2's host info)  (Proxy tells the origin client who connected to it)
+5. Original connection to the proxy is now a full TCP stream between client (you) and client2.
+6. Client <--> Proxy <--> Client2
+
+
+## Usage
+
+The 'bind' command can only be used by creating a new SocksClient instance and listening for 'bound' and 'established' events.
+
+
+```typescript
+const SocksClient = require('socks').SocksClient;
+
+const options = {
+  proxy: {
+    host: '104.131.124.203',
+    port: 1081,
+    type: 5
+  },
+
+  // This should be the ip and port of the expected client that will connect to the SOCKS proxy server on the newly bound port.
+  // Most SOCKS servers accept 0.0.0.0 as a wildcard address to accept any client.
+  destination: {
+    host: '0.0.0.0',
+    port: 0
+  },
+
+  command: 'bind'
+};
+
+const client = new SocksClient(options);
+
+// This event is fired when the SOCKS server has started listening on a new port for incoming connections.
+client.on('bound', (info) => {
+  console.log(info);
+  /*
+  {
+    socket: <Socket ...>,
+    remoteHost: { // This is the remote ip and port of the SOCKS proxy that is now accepting incoming connections.
+      host: '104.131.124.203',
+      port: 49928
+    }
+  }
+  */
+});
+
+// This event is fired when the SOCKS server has accepted an incoming connection on the newly bound port.
+client.on('established', (info) => {
+  console.log(info);
+  /*
+  {
+    socket: <Socket ...>,
+    remoteHost: { // This is the remote ip and port that connected to the SOCKS proxy on the newly bound port.
+      host: '1.2.3.4',
+      port: 58232
+    }
+  }
+  */
+
+  // At this point info.socket is a regular net.Socket TCP connection between client and client2 (1.2.3.4) (the client which connected to the proxy on the newly bound port.)
+
+  console.log(info.socket);
+  // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy servers)
+});
+
+// SOCKS proxy failed to bind.
+client.on('error', () => {
+  // Handle errors
+});
+```
\ No newline at end of file
diff --git a/node_modules/socks/docs/examples/javascript/connectExample.md b/node_modules/socks/docs/examples/javascript/connectExample.md
new file mode 100644
index 000000000..66244c5b8
--- /dev/null
+++ b/node_modules/socks/docs/examples/javascript/connectExample.md
@@ -0,0 +1,258 @@
+# socks examples
+
+## Example for SOCKS 'connect' command
+
+The connect command is the most common use-case for a SOCKS proxy. This establishes a direct connection to a destination host through a proxy server. The destination host only has knowledge of the proxy server connecting to it and does not know about the origin client (you).
+
+**Origin Client (you) <-> Proxy Server <-> Destination Server**
+
+In this example, we are connecting to a web server on port 80, and sending a very basic HTTP request to receive a response. It's worth noting that there are many socks-http-agents that can be used with the node http module (and libraries such as request.js) to make this easier. This HTTP request is used as a simple example.
+
+The 'connect' command can be used via the SocksClient.createConnection() factory function as well as by creating a SocksClient instance and using event handlers.
+
+### Using createConnection with async/await
+
+Since SocksClient.createConnection returns a Promise, we can easily use async/await for flow control.
+
+```typescript
+const SocksClient = require('socks').SocksClient;
+
+const options  = {
+  proxy: {
+    host: '104.131.124.203',
+    port: 1081,
+    type: 5
+  },
+
+  destination: {
+    host: 'ip-api.com', // host names are supported with SOCKS v4a and SOCKS v5.
+    port: 80
+  },
+
+  command: 'connect'
+};
+
+async function start() {
+  try {
+    const info = await SocksClient.createConnection(options);
+
+    console.log(info.socket);
+    // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy servers)
+
+    info.socket.write('GET /json HTTP/1.1\nHost: ip-api.com\n\n');
+    info.socket.on('data', (data) => {
+      console.log(data.toString()); // ip-api.com sees that the last proxy (104.131.124.203) is connected to it and not the origin client (you).
+      /*
+        HTTP/1.1 200 OK
+        Access-Control-Allow-Origin: *
+        Content-Type: application/json; charset=utf-8
+        Date: Sun, 24 Dec 2017 03:47:51 GMT
+        Content-Length: 300
+
+        {
+          "as":"AS14061 Digital Ocean, Inc.",
+          "city":"Clifton",
+          "country":"United States",
+          "countryCode":"US",
+          "isp":"Digital Ocean",
+          "lat":40.8326,
+          "lon":-74.1307,
+          "org":"Digital Ocean",
+          "query":"104.131.124.203",
+          "region":"NJ",
+          "regionName":"New Jersey",
+          "status":"success",
+          "timezone":"America/New_York",
+          "zip":"07014"
+        }
+      */
+  } catch (err) {
+    // Handle errors
+  }
+}
+
+start();
+```
+
+### Using createConnection with Promises
+
+```typescript
+const SocksClient = require('socks').SocksClient;
+
+const options  = {
+  proxy: {
+    ipaddress: '104.131.124.203',
+    port: 1081,
+    type: 5
+  },
+
+  destination: {
+    host: 'ip-api.com', // host names are supported with SOCKS v4a and SOCKS v5.
+    port: 80
+  },
+
+  command: 'connect'
+};
+
+SocksClient.createConnection(options)
+.then(info => {
+  console.log(info.socket);
+  // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy servers)
+
+  info.socket.write('GET /json HTTP/1.1\nHost: ip-api.com\n\n');
+  info.socket.on('data', (data) => {
+    console.log(data.toString()); // ip-api.com sees that the last proxy (104.131.124.203) is connected to it and not the origin client (you).
+    /*
+      HTTP/1.1 200 OK
+      Access-Control-Allow-Origin: *
+      Content-Type: application/json; charset=utf-8
+      Date: Sun, 24 Dec 2017 03:47:51 GMT
+      Content-Length: 300
+
+      {
+        "as":"AS14061 Digital Ocean, Inc.",
+        "city":"Clifton",
+        "country":"United States",
+        "countryCode":"US",
+        "isp":"Digital Ocean",
+        "lat":40.8326,
+        "lon":-74.1307,
+        "org":"Digital Ocean",
+        "query":"104.131.124.203",
+        "region":"NJ",
+        "regionName":"New Jersey",
+        "status":"success",
+        "timezone":"America/New_York",
+        "zip":"07014"
+      }
+    */
+})
+.catch(err => {
+  // handle errors
+});
+```
+
+### Using createConnection with callbacks
+
+SocksClient.createConnection() optionally accepts a callback function as a second parameter.
+
+**Note:** If a callback function is provided, a Promise is still returned from the function, but the promise will always resolve regardless of if there was en error. (tldr: Do not mix callbacks and Promises).
+
+```typescript
+const SocksClient = require('socks').SocksClient;
+
+const options  = {
+  proxy: {
+    ipaddress: '104.131.124.203',
+    port: 1081,
+    type: 5
+  },
+
+  destination: {
+    host: 'ip-api.com', // host names are supported with SOCKS v4a and SOCKS v5.
+    port: 80
+  },
+
+  command: 'connect'
+};
+
+SocksClient.createConnection(options, (err, info) => {
+  if (err) {
+    // handle errors
+  } else {
+    console.log(info.socket);
+    // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy servers)
+
+    info.socket.write('GET /json HTTP/1.1\nHost: ip-api.com\n\n');
+    info.socket.on('data', (data) => {
+      console.log(data.toString()); // ip-api.com sees that the last proxy (104.131.124.203) is connected to it and not the origin client (you).
+      /*
+        HTTP/1.1 200 OK
+        Access-Control-Allow-Origin: *
+        Content-Type: application/json; charset=utf-8
+        Date: Sun, 24 Dec 2017 03:47:51 GMT
+        Content-Length: 300
+
+        {
+          "as":"AS14061 Digital Ocean, Inc.",
+          "city":"Clifton",
+          "country":"United States",
+          "countryCode":"US",
+          "isp":"Digital Ocean",
+          "lat":40.8326,
+          "lon":-74.1307,
+          "org":"Digital Ocean",
+          "query":"104.131.124.203",
+          "region":"NJ",
+          "regionName":"New Jersey",
+          "status":"success",
+          "timezone":"America/New_York",
+          "zip":"07014"
+        }
+      */
+  }
+})
+```
+
+### Using event handlers
+
+SocksClient also supports instance creation of a SocksClient. This allows for event based flow control.
+
+```typescript
+const SocksClient = require('socks').SocksClient;
+
+const options  = {
+  proxy: {
+    ipaddress: '104.131.124.203',
+    port: 1081,
+    type: 5
+  },
+
+  destination: {
+    host: 'ip-api.com', // host names are supported with SOCKS v4a and SOCKS v5.
+    port: 80
+  },
+
+  command: 'connect'
+};
+
+const client = new SocksClient(options);
+
+client.on('established', (info) => {
+  console.log(info.socket);
+  // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy servers)
+
+  info.socket.write('GET /json HTTP/1.1\nHost: ip-api.com\n\n');
+  info.socket.on('data', (data) => {
+    console.log(data.toString()); // ip-api.com sees that the last proxy (104.131.124.203) is connected to it and not the origin client (you).
+    /*
+      HTTP/1.1 200 OK
+      Access-Control-Allow-Origin: *
+      Content-Type: application/json; charset=utf-8
+      Date: Sun, 24 Dec 2017 03:47:51 GMT
+      Content-Length: 300
+
+      {
+        "as":"AS14061 Digital Ocean, Inc.",
+        "city":"Clifton",
+        "country":"United States",
+        "countryCode":"US",
+        "isp":"Digital Ocean",
+        "lat":40.8326,
+        "lon":-74.1307,
+        "org":"Digital Ocean",
+        "query":"104.131.124.203",
+        "region":"NJ",
+        "regionName":"New Jersey",
+        "status":"success",
+        "timezone":"America/New_York",
+        "zip":"07014"
+      }
+    */
+});
+
+// Failed to establish proxy connection to destination.
+client.on('error', () => {
+  // Handle errors
+});
+```
\ No newline at end of file
diff --git a/node_modules/socks/docs/examples/typescript/associateExample.md b/node_modules/socks/docs/examples/typescript/associateExample.md
new file mode 100644
index 000000000..e8ca19344
--- /dev/null
+++ b/node_modules/socks/docs/examples/typescript/associateExample.md
@@ -0,0 +1,93 @@
+# socks examples
+
+## Example for SOCKS 'associate' command
+
+The associate command tells the SOCKS proxy server to establish a UDP relay. The server binds to a new UDP port and communicates the newly opened port back to the origin client. From here, any SOCKS UDP frame packets sent to this special UDP port on the Proxy server will be forwarded to the desired destination, and any responses will be forwarded back to the origin client (you).
+
+This can be used for things such as DNS queries, and other UDP communicates.
+
+**Connection Steps**
+
+1. Client -(associate)-> Proxy (Tells the proxy to create a UDP relay and bind on a new port)
+2. Client <-(port)- Proxy (Tells the origin client which port it opened and is accepting UDP frame packets on)
+
+At this point the proxy is accepting UDP frames on the specified port.
+
+3. Client --(udp frame) -> Proxy -> Destination (The origin client sends a UDP frame to the proxy on the UDP port, and the proxy then forwards it to the destination specified in the UDP frame.)
+4. Client <--(udp frame) <-- Proxy <-- Destination (The destination client responds to the udp packet sent in #3)
+
+## Usage
+
+The 'associate' command can only be used by creating a new SocksClient instance and listening for the 'established' event.
+
+**Note:** UDP packets relayed through the proxy servers are packaged in a special Socks UDP frame format. SocksClient.createUDPFrame() and SocksClient.parseUDPFrame() create and parse these special UDP packets.
+
+```typescript
+import * as dgram from 'dgram';
+import { SocksClient, SocksClientOptions } from 'socks';
+
+// Create a local UDP socket for sending/receiving packets to/from the proxy.
+const udpSocket = dgram.createSocket('udp4');
+udpSocket.bind();
+
+// Listen for incoming UDP packets from the proxy server.
+udpSocket.on('message', (message, rinfo) => {
+  console.log(SocksClient.parseUDPFrame(message));
+  /*
+  { frameNumber: 0,
+    remoteHost: { host: '8.8.8.8', port: 53 }, // The remote host that replied with a UDP packet
+    data: <Buffer 74 65 73 74 0a> // The data
+  }
+  */
+});
+
+const options: SocksClientOptions = {
+  proxy: {
+    host: '104.131.124.203',
+    port: 1081,
+    type: 5
+  },
+
+  // This should be the ip and port of the expected client that will be sending UDP frames to the newly opened UDP port on the server.
+  // Most SOCKS servers accept 0.0.0.0 as a wildcard address to accept UDP frames from any source.
+  destination: {
+    host: '0.0.0.0',
+    port: 0
+  },
+
+  command: 'associate'
+};
+
+const client = new SocksClient(options);
+
+// This event is fired when the SOCKS server has started listening on a new UDP port for UDP relaying.
+client.on('established', info => {
+  console.log(info);
+  /*
+  {
+    socket: <Socket ...>,
+    remoteHost: { // This is the remote port on the SOCKS proxy server to send UDP frame packets to.
+      host: '104.131.124.203',
+      port: 58232
+    }
+  }
+  */
+
+  // Send a udp frame to 8.8.8.8 on port 53 through the proxy.
+  const packet = SocksClient.createUDPFrame({
+    remoteHost: { host: '8.8.8.8', port: 53 },
+    data: Buffer.from('hello') // A DNS lookup in the real world.
+  });
+
+  // Send packet.
+  udpSocket.send(packet, info.remoteHost.port, info.remoteHost.host);
+});
+
+// SOCKS proxy failed to bind.
+client.on('error', () => {
+  // Handle errors
+});
+
+// Start connection
+client.connect();
+```
diff --git a/node_modules/socks/docs/examples/typescript/bindExample.md b/node_modules/socks/docs/examples/typescript/bindExample.md
new file mode 100644
index 000000000..6b7607df7
--- /dev/null
+++ b/node_modules/socks/docs/examples/typescript/bindExample.md
@@ -0,0 +1,86 @@
+# socks examples
+
+## Example for SOCKS 'bind' command
+
+The bind command tells the SOCKS proxy server to bind and listen on a new TCP port for an incoming connection. It communicates the newly opened port back to the origin client. Once a incoming connection is accepted by the SOCKS proxy server it then communicates the remote host that connected to the SOCKS proxy back through the same initial connection via the origin client.
+
+This can be used for things such as FTP clients which require incoming TCP connections, etc.
+
+**Connection Steps**
+
+1. Client -(bind)-> Proxy    (Tells the proxy to bind to a new port)
+2. Client <-(port)- Proxy    (Tells the origin client which port it opened)
+3. Client2 --> Proxy    (Other client connects to the proxy on this port)
+4. Client <--(client2's host info)  (Proxy tells the origin client who connected to it)
+5. Original connection to the proxy is now a full TCP stream between client (you) and client2.
+6. Client <--> Proxy <--> Client2
+
+
+## Usage
+
+The 'bind' command can only be used by creating a new SocksClient instance and listening for 'bound' and 'established' events.
+
+
+```typescript
+import { SocksClient, SocksClientOptions } from 'socks';
+
+const options: SocksClientOptions = {
+  proxy: {
+    host: '104.131.124.203',
+    port: 1081,
+    type: 5
+  },
+
+  // This should be the ip and port of the expected client that will connect to the SOCKS proxy server on the newly bound port.
+  // Most SOCKS servers accept 0.0.0.0 as a wildcard address to accept any client.
+  destination: {
+    host: '0.0.0.0',
+    port: 0
+  },
+
+  command: 'bind'
+};
+
+const client = new SocksClient(options);
+
+// This event is fired when the SOCKS server has started listening on a new port for incoming connections.
+client.on('bound', (info) => {
+  console.log(info);
+  /*
+  {
+    socket: <Socket ...>,
+    remoteHost: { // This is the remote ip and port of the SOCKS proxy that is now accepting incoming connections.
+      host: '104.131.124.203',
+      port: 49928
+    }
+  }
+  */
+});
+
+// This event is fired when the SOCKS server has accepted an incoming connection on the newly bound port.
+client.on('established', (info) => {
+  console.log(info);
+  /*
+  {
+    socket: <Socket ...>,
+    remoteHost: { // This is the remote ip and port that connected to the SOCKS proxy on the newly bound port.
+      host: '1.2.3.4',
+      port: 58232
+    }
+  }
+  */
+
+  // At this point info.socket is a regular net.Socket TCP connection between client and client2 (1.2.3.4) (the client which connected to the proxy on the newly bound port.)
+
+  console.log(info.socket);
+  // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy servers)
+});
+
+// SOCKS proxy failed to bind.
+client.on('error', () => {
+  // Handle errors
+});
+
+// Start connection
+client.connect();
+```
\ No newline at end of file
diff --git a/node_modules/socks/docs/examples/typescript/connectExample.md b/node_modules/socks/docs/examples/typescript/connectExample.md
new file mode 100644
index 000000000..30606d0ba
--- /dev/null
+++ b/node_modules/socks/docs/examples/typescript/connectExample.md
@@ -0,0 +1,265 @@
+# socks examples
+
+## Example for SOCKS 'connect' command
+
+The connect command is the most common use-case for a SOCKS proxy. This establishes a direct connection to a destination host through a proxy server. The destination host only has knowledge of the proxy server connecting to it and does not know about the origin client (you).
+
+**Origin Client (you) <-> Proxy Server <-> Destination Server**
+
+In this example, we are connecting to a web server on port 80, and sending a very basic HTTP request to receive a response. It's worth noting that there are many socks-http-agents that can be used with the node http module (and libraries such as request.js) to make this easier. This HTTP request is used as a simple example.
+
+The 'connect' command can be used via the SocksClient.createConnection() factory function as well as by creating a SocksClient instance and using event handlers.
+
+### Using createConnection with async/await
+
+Since SocksClient.createConnection returns a Promise, we can easily use async/await for flow control.
+
+```typescript
+import { SocksClient, SocksClientOptions } from 'socks';
+
+const options: SocksClientOptions = {
+  proxy: {
+    host: '104.131.124.203',
+    port: 1081,
+    type: 5
+  },
+
+  destination: {
+    host: 'ip-api.com', // host names are supported with SOCKS v4a and SOCKS v5.
+    port: 80
+  },
+
+  command: 'connect'
+};
+
+async function start() {
+  try {
+    const info = await SocksClient.createConnection(options);
+
+    console.log(info.socket);
+    // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy servers)
+
+    info.socket.write('GET /json HTTP/1.1\nHost: ip-api.com\n\n');
+    info.socket.on('data', (data) => {
+      console.log(data.toString()); // ip-api.com sees that the last proxy (104.131.124.203) is connected to it and not the origin client (you).
+      /*
+        HTTP/1.1 200 OK
+        Access-Control-Allow-Origin: *
+        Content-Type: application/json; charset=utf-8
+        Date: Sun, 24 Dec 2017 03:47:51 GMT
+        Content-Length: 300
+
+        {
+          "as":"AS14061 Digital Ocean, Inc.",
+          "city":"Clifton",
+          "country":"United States",
+          "countryCode":"US",
+          "isp":"Digital Ocean",
+          "lat":40.8326,
+          "lon":-74.1307,
+          "org":"Digital Ocean",
+          "query":"104.131.124.203",
+          "region":"NJ",
+          "regionName":"New Jersey",
+          "status":"success",
+          "timezone":"America/New_York",
+          "zip":"07014"
+        }
+      */
+    });
+  } catch (err) {
+    // Handle errors
+  }
+}
+
+start();
+```
+
+### Using createConnection with Promises
+
+```typescript
+import { SocksClient, SocksClientOptions } from 'socks';
+
+const options: SocksClientOptions = {
+  proxy: {
+    ipaddress: '104.131.124.203',
+    port: 1081,
+    type: 5
+  },
+
+  destination: {
+    host: 'ip-api.com', // host names are supported with SOCKS v4a and SOCKS v5.
+    port: 80
+  },
+
+  command: 'connect'
+};
+
+SocksClient.createConnection(options)
+.then(info => {
+  console.log(info.socket);
+  // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy servers)
+
+  info.socket.write('GET /json HTTP/1.1\nHost: ip-api.com\n\n');
+  info.socket.on('data', (data) => {
+    console.log(data.toString()); // ip-api.com sees that the last proxy (104.131.124.203) is connected to it and not the origin client (you).
+    /*
+      HTTP/1.1 200 OK
+      Access-Control-Allow-Origin: *
+      Content-Type: application/json; charset=utf-8
+      Date: Sun, 24 Dec 2017 03:47:51 GMT
+      Content-Length: 300
+
+      {
+        "as":"AS14061 Digital Ocean, Inc.",
+        "city":"Clifton",
+        "country":"United States",
+        "countryCode":"US",
+        "isp":"Digital Ocean",
+        "lat":40.8326,
+        "lon":-74.1307,
+        "org":"Digital Ocean",
+        "query":"104.131.124.203",
+        "region":"NJ",
+        "regionName":"New Jersey",
+        "status":"success",
+        "timezone":"America/New_York",
+        "zip":"07014"
+      }
+    */
+  });
+})
+.catch(err => {
+  // handle errors
+});
+```
+
+### Using createConnection with callbacks
+
+SocksClient.createConnection() optionally accepts a callback function as a second parameter.
+
+**Note:** If a callback function is provided, a Promise is still returned from the function, but the promise will always resolve regardless of if there was en error. (tldr: Do not mix callbacks and Promises).
+
+```typescript
+import { SocksClient, SocksClientOptions } from 'socks';
+
+const options: SocksClientOptions = {
+  proxy: {
+    ipaddress: '104.131.124.203',
+    port: 1081,
+    type: 5
+  },
+
+  destination: {
+    host: 'ip-api.com', // host names are supported with SOCKS v4a and SOCKS v5.
+    port: 80
+  },
+
+  command: 'connect'
+};
+
+SocksClient.createConnection(options, (err, info) => {
+  if (err) {
+    // handle errors
+  } else {
+    console.log(info.socket);
+    // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy servers)
+
+    info.socket.write('GET /json HTTP/1.1\nHost: ip-api.com\n\n');
+    info.socket.on('data', (data) => {
+      console.log(data.toString()); // ip-api.com sees that the last proxy (104.131.124.203) is connected to it and not the origin client (you).
+      /*
+        HTTP/1.1 200 OK
+        Access-Control-Allow-Origin: *
+        Content-Type: application/json; charset=utf-8
+        Date: Sun, 24 Dec 2017 03:47:51 GMT
+        Content-Length: 300
+
+        {
+          "as":"AS14061 Digital Ocean, Inc.",
+          "city":"Clifton",
+          "country":"United States",
+          "countryCode":"US",
+          "isp":"Digital Ocean",
+          "lat":40.8326,
+          "lon":-74.1307,
+          "org":"Digital Ocean",
+          "query":"104.131.124.203",
+          "region":"NJ",
+          "regionName":"New Jersey",
+          "status":"success",
+          "timezone":"America/New_York",
+          "zip":"07014"
+        }
+      */
+    });
+  }
+})
+```
+
+### Using event handlers
+
+SocksClient also supports instance creation of a SocksClient. This allows for event based flow control.
+
+```typescript
+import { SocksClient, SocksClientOptions } from 'socks';
+
+const options: SocksClientOptions = {
+  proxy: {
+    ipaddress: '104.131.124.203',
+    port: 1081,
+    type: 5
+  },
+
+  destination: {
+    host: 'ip-api.com', // host names are supported with SOCKS v4a and SOCKS v5.
+    port: 80
+  },
+
+  command: 'connect'
+};
+
+const client = new SocksClient(options);
+
+client.on('established', (info) => {
+  console.log(info.socket);
+  // <Socket ...>  (this is a raw net.Socket that is established to the destination host through the given proxy servers)
+
+  info.socket.write('GET /json HTTP/1.1\nHost: ip-api.com\n\n');
+  info.socket.on('data', (data) => {
+    console.log(data.toString()); // ip-api.com sees that the last proxy (104.131.124.203) is connected to it and not the origin client (you).
+    /*
+      HTTP/1.1 200 OK
+      Access-Control-Allow-Origin: *
+      Content-Type: application/json; charset=utf-8
+      Date: Sun, 24 Dec 2017 03:47:51 GMT
+      Content-Length: 300
+
+      {
+        "as":"AS14061 Digital Ocean, Inc.",
+        "city":"Clifton",
+        "country":"United States",
+        "countryCode":"US",
+        "isp":"Digital Ocean",
+        "lat":40.8326,
+        "lon":-74.1307,
+        "org":"Digital Ocean",
+        "query":"104.131.124.203",
+        "region":"NJ",
+        "regionName":"New Jersey",
+        "status":"success",
+        "timezone":"America/New_York",
+        "zip":"07014"
+      }
+    */
+  });
+});
+
+// Failed to establish proxy connection to destination.
+client.on('error', () => {
+  // Handle errors
+});
+
+// Start connection
+client.connect();
+```
\ No newline at end of file
diff --git a/node_modules/socks/docs/index.md b/node_modules/socks/docs/index.md
new file mode 100644
index 000000000..3eb1d7118
--- /dev/null
+++ b/node_modules/socks/docs/index.md
@@ -0,0 +1,5 @@
+# Documentation
+
+- [API Reference](https://github.com/JoshGlazebrook/socks#api-reference)
+
+- [Code Examples](./examples/index.md)
\ No newline at end of file
diff --git a/node_modules/socks/docs/migratingFromV1.md b/node_modules/socks/docs/migratingFromV1.md
new file mode 100644
index 000000000..dd008384b
--- /dev/null
+++ b/node_modules/socks/docs/migratingFromV1.md
@@ -0,0 +1,86 @@
+# socks
+
+## Migrating from v1
+
+For the most part, migrating from v1 takes minimal effort as v2 still supports factory creation of proxy connections with callback support.
+
+### Notable breaking changes
+
+- In an options object, the proxy 'command' is now required and does not default to 'connect'.
+- **In an options object, 'target' is now known as 'destination'.**
+- Sockets are no longer paused after a SOCKS connection is made, so socket.resume() is no longer required. (Please be sure to attach data handlers immediately to the Socket to avoid losing data).
+- In v2, only the 'connect' command is supported via the factory SocksClient.createConnection function. (BIND and ASSOCIATE must be used with a SocksClient instance via event handlers).
+- In v2, the factory SocksClient.createConnection function callback is called with a single object rather than separate socket and info object.
+- A SOCKS http/https agent is no longer bundled into the library.
+
+For informational purposes, here is the original getting started example from v1 converted to work with v2.
+
+### Before (v1)
+
+```javascript
+var Socks = require('socks');
+
+var options = {
+    proxy: {
+        ipaddress: "202.101.228.108",
+        port: 1080,
+        type: 5
+    },
+    target: {
+        host: "google.com",
+        port: 80
+    },
+    command: 'connect'
+};
+
+Socks.createConnection(options, function(err, socket, info) {
+    if (err)
+        console.log(err);
+    else {
+        socket.write("GET / HTTP/1.1\nHost: google.com\n\n");
+        socket.on('data', function(data) {
+            console.log(data.length);
+            console.log(data);
+        });
+
+        // PLEASE NOTE: sockets need to be resumed before any data will come in or out as they are paused right before this callback is fired.
+        socket.resume();
+
+        // 569
+        // <Buffer 48 54 54 50 2f 31 2e 31 20 33 30 31 20 4d 6f 76 65 64 20 50 65...
+    }
+});
+```
+
+### After (v2)
+```javascript
+const SocksClient = require('socks').SocksClient;
+
+let options = {
+    proxy: {
+        ipaddress: "202.101.228.108",
+        port: 1080,
+        type: 5
+    },
+    destination: {
+        host: "google.com",
+        port: 80
+    },
+    command: 'connect'
+};
+
+SocksClient.createConnection(options, function(err, result) {
+    if (err)
+        console.log(err);
+    else {
+        result.socket.write("GET / HTTP/1.1\nHost: google.com\n\n");
+        result.socket.on('data', function(data) {
+            console.log(data.length);
+            console.log(data);
+        });
+
+        // 569
+        // <Buffer 48 54 54 50 2f 31 2e 31 20 33 30 31 20 4d 6f 76 65 64 20 50 65...
+    }
+});
+```
\ No newline at end of file
diff --git a/node_modules/socks/package.json b/node_modules/socks/package.json
new file mode 100644
index 000000000..ac0b6d39f
--- /dev/null
+++ b/node_modules/socks/package.json
@@ -0,0 +1,58 @@
+{
+  "name": "socks",
+  "private": false,
+  "version": "2.7.0",
+  "description": "Fully featured SOCKS proxy client supporting SOCKSv4, SOCKSv4a, and SOCKSv5. Includes Bind and Associate functionality.",
+  "main": "build/index.js",
+  "typings": "typings/index.d.ts",
+  "homepage": "https://github.com/JoshGlazebrook/socks/",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/JoshGlazebrook/socks.git"
+  },
+  "bugs": {
+    "url": "https://github.com/JoshGlazebrook/socks/issues"
+  },
+  "keywords": [
+    "socks",
+    "proxy",
+    "tor",
+    "socks 4",
+    "socks 5",
+    "socks4",
+    "socks5"
+  ],
+  "engines": {
+    "node": ">= 10.13.0",
+    "npm": ">= 3.0.0"
+  },
+  "author": "Josh Glazebrook",
+  "contributors": [
+    "castorw"
+  ],
+  "license": "MIT",
+  "readmeFilename": "README.md",
+  "devDependencies": {
+    "@types/ip": "1.1.0",
+    "@types/mocha": "^9.1.1",
+    "@types/node": "^18.0.6",
+    "@typescript-eslint/eslint-plugin": "^5.30.6",
+    "@typescript-eslint/parser": "^5.30.6",
+    "eslint": "^8.20.0",
+    "mocha": "^10.0.0",
+    "prettier": "^2.7.1",
+    "ts-node": "^10.9.1",
+    "typescript": "^4.7.4"
+  },
+  "dependencies": {
+    "ip": "^2.0.0",
+    "smart-buffer": "^4.2.0"
+  },
+  "scripts": {
+    "prepublish": "npm install -g typescript && npm run build",
+    "test": "NODE_ENV=test mocha --recursive --require ts-node/register test/**/*.ts",
+    "prettier": "prettier --write ./src/**/*.ts --config .prettierrc.yaml",
+    "lint": "eslint 'src/**/*.ts'",
+    "build": "rm -rf build typings && prettier --write ./src/**/*.ts --config .prettierrc.yaml && tsc -p ."
+  }
+}
diff --git a/node_modules/socks/typings/client/socksclient.d.ts b/node_modules/socks/typings/client/socksclient.d.ts
new file mode 100644
index 000000000..b886d9571
--- /dev/null
+++ b/node_modules/socks/typings/client/socksclient.d.ts
@@ -0,0 +1,162 @@
+/// <reference types="node" />
+/// <reference types="node" />
+/// <reference types="node" />
+import { EventEmitter } from 'events';
+import { SocksClientOptions, SocksClientChainOptions, SocksRemoteHost, SocksProxy, SocksClientBoundEvent, SocksClientEstablishedEvent, SocksUDPFrameDetails } from '../common/constants';
+import { SocksClientError } from '../common/util';
+import { Duplex } from 'stream';
+declare interface SocksClient {
+    on(event: 'error', listener: (err: SocksClientError) => void): this;
+    on(event: 'bound', listener: (info: SocksClientBoundEvent) => void): this;
+    on(event: 'established', listener: (info: SocksClientEstablishedEvent) => void): this;
+    once(event: string, listener: (...args: unknown[]) => void): this;
+    once(event: 'error', listener: (err: SocksClientError) => void): this;
+    once(event: 'bound', listener: (info: SocksClientBoundEvent) => void): this;
+    once(event: 'established', listener: (info: SocksClientEstablishedEvent) => void): this;
+    emit(event: string | symbol, ...args: unknown[]): boolean;
+    emit(event: 'error', err: SocksClientError): boolean;
+    emit(event: 'bound', info: SocksClientBoundEvent): boolean;
+    emit(event: 'established', info: SocksClientEstablishedEvent): boolean;
+}
+declare class SocksClient extends EventEmitter implements SocksClient {
+    private options;
+    private socket;
+    private state;
+    private receiveBuffer;
+    private nextRequiredPacketBufferSize;
+    private socks5ChosenAuthType;
+    private onDataReceived;
+    private onClose;
+    private onError;
+    private onConnect;
+    constructor(options: SocksClientOptions);
+    /**
+     * Creates a new SOCKS connection.
+     *
+     * Note: Supports callbacks and promises. Only supports the connect command.
+     * @param options { SocksClientOptions } Options.
+     * @param callback { Function } An optional callback function.
+     * @returns { Promise }
+     */
+    static createConnection(options: SocksClientOptions, callback?: (error: Error | null, info?: SocksClientEstablishedEvent) => void): Promise<SocksClientEstablishedEvent>;
+    /**
+     * Creates a new SOCKS connection chain to a destination host through 2 or more SOCKS proxies.
+     *
+     * Note: Supports callbacks and promises. Only supports the connect method.
+     * Note: Implemented via createConnection() factory function.
+     * @param options { SocksClientChainOptions } Options
+     * @param callback { Function } An optional callback function.
+     * @returns { Promise }
+     */
+    static createConnectionChain(options: SocksClientChainOptions, callback?: (error: Error | null, socket?: SocksClientEstablishedEvent) => void): Promise<SocksClientEstablishedEvent>;
+    /**
+     * Creates a SOCKS UDP Frame.
+     * @param options
+     */
+    static createUDPFrame(options: SocksUDPFrameDetails): Buffer;
+    /**
+     * Parses a SOCKS UDP frame.
+     * @param data
+     */
+    static parseUDPFrame(data: Buffer): SocksUDPFrameDetails;
+    /**
+     * Internal state setter. If the SocksClient is in an error state, it cannot be changed to a non error state.
+     */
+    private setState;
+    /**
+     * Starts the connection establishment to the proxy and destination.
+     * @param existingSocket Connected socket to use instead of creating a new one (internal use).
+     */
+    connect(existingSocket?: Duplex): void;
+    private getSocketOptions;
+    /**
+     * Handles internal Socks timeout callback.
+     * Note: If the Socks client is not BoundWaitingForConnection or Established, the connection will be closed.
+     */
+    private onEstablishedTimeout;
+    /**
+     * Handles Socket connect event.
+     */
+    private onConnectHandler;
+    /**
+     * Handles Socket data event.
+     * @param data
+     */
+    private onDataReceivedHandler;
+    /**
+     * Handles processing of the data we have received.
+     */
+    private processData;
+    /**
+     * Handles Socket close event.
+     * @param had_error
+     */
+    private onCloseHandler;
+    /**
+     * Handles Socket error event.
+     * @param err
+     */
+    private onErrorHandler;
+    /**
+     * Removes internal event listeners on the underlying Socket.
+     */
+    private removeInternalSocketHandlers;
+    /**
+     * Closes and destroys the underlying Socket. Emits an error event.
+     * @param err { String } An error string to include in error event.
+     */
+    private closeSocket;
+    /**
+     * Sends initial Socks v4 handshake request.
+     */
+    private sendSocks4InitialHandshake;
+    /**
+     * Handles Socks v4 handshake response.
+     * @param data
+     */
+    private handleSocks4FinalHandshakeResponse;
+    /**
+     * Handles Socks v4 incoming connection request (BIND)
+     * @param data
+     */
+    private handleSocks4IncomingConnectionResponse;
+    /**
+     * Sends initial Socks v5 handshake request.
+     */
+    private sendSocks5InitialHandshake;
+    /**
+     * Handles initial Socks v5 handshake response.
+     * @param data
+     */
+    private handleInitialSocks5HandshakeResponse;
+    /**
+     * Sends Socks v5 user & password auth handshake.
+     *
+     * Note: No auth and user/pass are currently supported.
+     */
+    private sendSocks5UserPassAuthentication;
+    private sendSocks5CustomAuthentication;
+    private handleSocks5CustomAuthHandshakeResponse;
+    private handleSocks5AuthenticationNoAuthHandshakeResponse;
+    private handleSocks5AuthenticationUserPassHandshakeResponse;
+    /**
+     * Handles Socks v5 auth handshake response.
+     * @param data
+     */
+    private handleInitialSocks5AuthenticationHandshakeResponse;
+    /**
+     * Sends Socks v5 final handshake request.
+     */
+    private sendSocks5CommandRequest;
+    /**
+     * Handles Socks v5 final handshake response.
+     * @param data
+     */
+    private handleSocks5FinalHandshakeResponse;
+    /**
+     * Handles Socks v5 incoming connection request (BIND).
+     */
+    private handleSocks5IncomingConnectionResponse;
+    get socksClientOptions(): SocksClientOptions;
+}
+export { SocksClient, SocksClientOptions, SocksClientChainOptions, SocksClientError, SocksRemoteHost, SocksProxy, SocksUDPFrameDetails, };
diff --git a/node_modules/socks/typings/common/constants.d.ts b/node_modules/socks/typings/common/constants.d.ts
new file mode 100644
index 000000000..32a570528
--- /dev/null
+++ b/node_modules/socks/typings/common/constants.d.ts
@@ -0,0 +1,152 @@
+/// <reference types="node" />
+/// <reference types="node" />
+/// <reference types="node" />
+import { Duplex } from 'stream';
+import { Socket, SocketConnectOpts } from 'net';
+import { RequireOnlyOne } from './util';
+declare const DEFAULT_TIMEOUT = 30000;
+declare type SocksProxyType = 4 | 5;
+declare const ERRORS: {
+    InvalidSocksCommand: string;
+    InvalidSocksCommandForOperation: string;
+    InvalidSocksCommandChain: string;
+    InvalidSocksClientOptionsDestination: string;
+    InvalidSocksClientOptionsExistingSocket: string;
+    InvalidSocksClientOptionsProxy: string;
+    InvalidSocksClientOptionsTimeout: string;
+    InvalidSocksClientOptionsProxiesLength: string;
+    InvalidSocksClientOptionsCustomAuthRange: string;
+    InvalidSocksClientOptionsCustomAuthOptions: string;
+    NegotiationError: string;
+    SocketClosed: string;
+    ProxyConnectionTimedOut: string;
+    InternalError: string;
+    InvalidSocks4HandshakeResponse: string;
+    Socks4ProxyRejectedConnection: string;
+    InvalidSocks4IncomingConnectionResponse: string;
+    Socks4ProxyRejectedIncomingBoundConnection: string;
+    InvalidSocks5InitialHandshakeResponse: string;
+    InvalidSocks5IntiailHandshakeSocksVersion: string;
+    InvalidSocks5InitialHandshakeNoAcceptedAuthType: string;
+    InvalidSocks5InitialHandshakeUnknownAuthType: string;
+    Socks5AuthenticationFailed: string;
+    InvalidSocks5FinalHandshake: string;
+    InvalidSocks5FinalHandshakeRejected: string;
+    InvalidSocks5IncomingConnectionResponse: string;
+    Socks5ProxyRejectedIncomingBoundConnection: string;
+};
+declare const SOCKS_INCOMING_PACKET_SIZES: {
+    Socks5InitialHandshakeResponse: number;
+    Socks5UserPassAuthenticationResponse: number;
+    Socks5ResponseHeader: number;
+    Socks5ResponseIPv4: number;
+    Socks5ResponseIPv6: number;
+    Socks5ResponseHostname: (hostNameLength: number) => number;
+    Socks4Response: number;
+};
+declare type SocksCommandOption = 'connect' | 'bind' | 'associate';
+declare enum SocksCommand {
+    connect = 1,
+    bind = 2,
+    associate = 3
+}
+declare enum Socks4Response {
+    Granted = 90,
+    Failed = 91,
+    Rejected = 92,
+    RejectedIdent = 93
+}
+declare enum Socks5Auth {
+    NoAuth = 0,
+    GSSApi = 1,
+    UserPass = 2
+}
+declare const SOCKS5_CUSTOM_AUTH_START = 128;
+declare const SOCKS5_CUSTOM_AUTH_END = 254;
+declare const SOCKS5_NO_ACCEPTABLE_AUTH = 255;
+declare enum Socks5Response {
+    Granted = 0,
+    Failure = 1,
+    NotAllowed = 2,
+    NetworkUnreachable = 3,
+    HostUnreachable = 4,
+    ConnectionRefused = 5,
+    TTLExpired = 6,
+    CommandNotSupported = 7,
+    AddressNotSupported = 8
+}
+declare enum Socks5HostType {
+    IPv4 = 1,
+    Hostname = 3,
+    IPv6 = 4
+}
+declare enum SocksClientState {
+    Created = 0,
+    Connecting = 1,
+    Connected = 2,
+    SentInitialHandshake = 3,
+    ReceivedInitialHandshakeResponse = 4,
+    SentAuthentication = 5,
+    ReceivedAuthenticationResponse = 6,
+    SentFinalHandshake = 7,
+    ReceivedFinalResponse = 8,
+    BoundWaitingForConnection = 9,
+    Established = 10,
+    Disconnected = 11,
+    Error = 99
+}
+/**
+ * Represents a SocksProxy
+ */
+declare type SocksProxy = RequireOnlyOne<{
+    ipaddress?: string;
+    host?: string;
+    port: number;
+    type: SocksProxyType;
+    userId?: string;
+    password?: string;
+    custom_auth_method?: number;
+    custom_auth_request_handler?: () => Promise<Buffer>;
+    custom_auth_response_size?: number;
+    custom_auth_response_handler?: (data: Buffer) => Promise<boolean>;
+}, 'host' | 'ipaddress'>;
+/**
+ * Represents a remote host
+ */
+interface SocksRemoteHost {
+    host: string;
+    port: number;
+}
+/**
+ * SocksClient connection options.
+ */
+interface SocksClientOptions {
+    command: SocksCommandOption;
+    destination: SocksRemoteHost;
+    proxy: SocksProxy;
+    timeout?: number;
+    existing_socket?: Duplex;
+    set_tcp_nodelay?: boolean;
+    socket_options?: SocketConnectOpts;
+}
+/**
+ * SocksClient chain connection options.
+ */
+interface SocksClientChainOptions {
+    command: 'connect';
+    destination: SocksRemoteHost;
+    proxies: SocksProxy[];
+    timeout?: number;
+    randomizeChain?: false;
+}
+interface SocksClientEstablishedEvent {
+    socket: Socket;
+    remoteHost?: SocksRemoteHost;
+}
+declare type SocksClientBoundEvent = SocksClientEstablishedEvent;
+interface SocksUDPFrameDetails {
+    frameNumber?: number;
+    remoteHost: SocksRemoteHost;
+    data: Buffer;
+}
+export { DEFAULT_TIMEOUT, ERRORS, SocksProxyType, SocksCommand, Socks4Response, Socks5Auth, Socks5HostType, Socks5Response, SocksClientState, SocksProxy, SocksRemoteHost, SocksCommandOption, SocksClientOptions, SocksClientChainOptions, SocksClientEstablishedEvent, SocksClientBoundEvent, SocksUDPFrameDetails, SOCKS_INCOMING_PACKET_SIZES, SOCKS5_CUSTOM_AUTH_START, SOCKS5_CUSTOM_AUTH_END, SOCKS5_NO_ACCEPTABLE_AUTH, };
diff --git a/node_modules/socks/typings/common/helpers.d.ts b/node_modules/socks/typings/common/helpers.d.ts
new file mode 100644
index 000000000..8c3a10697
--- /dev/null
+++ b/node_modules/socks/typings/common/helpers.d.ts
@@ -0,0 +1,13 @@
+import { SocksClientOptions, SocksClientChainOptions } from '../client/socksclient';
+/**
+ * Validates the provided SocksClientOptions
+ * @param options { SocksClientOptions }
+ * @param acceptedCommands { string[] } A list of accepted SocksProxy commands.
+ */
+declare function validateSocksClientOptions(options: SocksClientOptions, acceptedCommands?: string[]): void;
+/**
+ * Validates the SocksClientChainOptions
+ * @param options { SocksClientChainOptions }
+ */
+declare function validateSocksClientChainOptions(options: SocksClientChainOptions): void;
+export { validateSocksClientOptions, validateSocksClientChainOptions };
diff --git a/node_modules/socks/typings/common/receivebuffer.d.ts b/node_modules/socks/typings/common/receivebuffer.d.ts
new file mode 100644
index 000000000..756e98b58
--- /dev/null
+++ b/node_modules/socks/typings/common/receivebuffer.d.ts
@@ -0,0 +1,12 @@
+/// <reference types="node" />
+declare class ReceiveBuffer {
+    private buffer;
+    private offset;
+    private originalSize;
+    constructor(size?: number);
+    get length(): number;
+    append(data: Buffer): number;
+    peek(length: number): Buffer;
+    get(length: number): Buffer;
+}
+export { ReceiveBuffer };
diff --git a/node_modules/socks/typings/common/util.d.ts b/node_modules/socks/typings/common/util.d.ts
new file mode 100644
index 000000000..83f20e7b5
--- /dev/null
+++ b/node_modules/socks/typings/common/util.d.ts
@@ -0,0 +1,17 @@
+import { SocksClientOptions, SocksClientChainOptions } from './constants';
+/**
+ * Error wrapper for SocksClient
+ */
+declare class SocksClientError extends Error {
+    options: SocksClientOptions | SocksClientChainOptions;
+    constructor(message: string, options: SocksClientOptions | SocksClientChainOptions);
+}
+/**
+ * Shuffles a given array.
+ * @param array The array to shuffle.
+ */
+declare function shuffleArray(array: unknown[]): void;
+declare type RequireOnlyOne<T, Keys extends keyof T = keyof T> = Pick<T, Exclude<keyof T, Keys>> & {
+    [K in Keys]?: Required<Pick<T, K>> & Partial<Record<Exclude<Keys, K>, undefined>>;
+}[Keys];
+export { RequireOnlyOne, SocksClientError, shuffleArray };
diff --git a/node_modules/socks/typings/index.d.ts b/node_modules/socks/typings/index.d.ts
new file mode 100644
index 000000000..fbf9006ef
--- /dev/null
+++ b/node_modules/socks/typings/index.d.ts
@@ -0,0 +1 @@
+export * from './client/socksclient';
diff --git a/node_modules/sparse-bitfield/.npmignore b/node_modules/sparse-bitfield/.npmignore
new file mode 100644
index 000000000..3c3629e64
--- /dev/null
+++ b/node_modules/sparse-bitfield/.npmignore
@@ -0,0 +1 @@
+node_modules
diff --git a/node_modules/sparse-bitfield/.travis.yml b/node_modules/sparse-bitfield/.travis.yml
new file mode 100644
index 000000000..c04282170
--- /dev/null
+++ b/node_modules/sparse-bitfield/.travis.yml
@@ -0,0 +1,6 @@
+language: node_js
+node_js:
+  - '0.10'
+  - '0.12'
+  - '4.0'
+  - '5.0'
diff --git a/node_modules/sparse-bitfield/LICENSE b/node_modules/sparse-bitfield/LICENSE
new file mode 100644
index 000000000..bae9da7bf
--- /dev/null
+++ b/node_modules/sparse-bitfield/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Mathias Buus
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/sparse-bitfield/README.md b/node_modules/sparse-bitfield/README.md
new file mode 100644
index 000000000..7b6b8f9ed
--- /dev/null
+++ b/node_modules/sparse-bitfield/README.md
@@ -0,0 +1,62 @@
+# sparse-bitfield
+
+Bitfield implementation that allocates a series of 1kb buffers to support sparse bitfields
+without allocating a massive buffer. If you want to simple implementation of a flat bitfield
+see the [bitfield](https://github.com/fb55/bitfield) module.
+
+This module is mostly useful if you need a big bitfield where you won't nessecarily set every bit.
+
+```
+npm install sparse-bitfield
+```
+
+[![build status](http://img.shields.io/travis/mafintosh/sparse-bitfield.svg?style=flat)](http://travis-ci.org/mafintosh/sparse-bitfield)
+
+## Usage
+
+``` js
+var bitfield = require('sparse-bitfield')
+var bits = bitfield()
+
+bits.set(0, true) // set first bit
+bits.set(1, true) // set second bit
+bits.set(1000000000000, true) // set the 1.000.000.000.000th bit
+```
+
+Running the above example will allocate two 1kb buffers internally.
+Each 1kb buffer can hold information about 8192 bits so the first one will be used to store information about the first two bits and the second will be used to store the 1.000.000.000.000th bit.
+
+## API
+
+#### `var bits = bitfield([options])`
+
+Create a new bitfield. Options include
+
+``` js
+{
+  pageSize: 1024, // how big should the partial buffers be
+  buffer: anExistingBitfield,
+  trackUpdates: false // track when pages are being updated in the pager
+}
+```
+
+#### `bits.set(index, value)`
+
+Set a bit to true or false.
+
+#### `bits.get(index)`
+
+Get the value of a bit.
+
+#### `bits.pages`
+
+A [memory-pager](https://github.com/mafintosh/memory-pager) instance that is managing the underlying memory.
+If you set `trackUpdates` to true in the constructor you can use `.lastUpdate()` on this instance to get the last updated memory page.
+
+#### `var buffer = bits.toBuffer()`
+
+Get a single buffer representing the entire bitfield.
+
+## License
+
+MIT
diff --git a/node_modules/sparse-bitfield/index.js b/node_modules/sparse-bitfield/index.js
new file mode 100644
index 000000000..ff458c974
--- /dev/null
+++ b/node_modules/sparse-bitfield/index.js
@@ -0,0 +1,95 @@
+var pager = require('memory-pager')
+
+module.exports = Bitfield
+
+function Bitfield (opts) {
+  if (!(this instanceof Bitfield)) return new Bitfield(opts)
+  if (!opts) opts = {}
+  if (Buffer.isBuffer(opts)) opts = {buffer: opts}
+
+  this.pageOffset = opts.pageOffset || 0
+  this.pageSize = opts.pageSize || 1024
+  this.pages = opts.pages || pager(this.pageSize)
+
+  this.byteLength = this.pages.length * this.pageSize
+  this.length = 8 * this.byteLength
+
+  if (!powerOfTwo(this.pageSize)) throw new Error('The page size should be a power of two')
+
+  this._trackUpdates = !!opts.trackUpdates
+  this._pageMask = this.pageSize - 1
+
+  if (opts.buffer) {
+    for (var i = 0; i < opts.buffer.length; i += this.pageSize) {
+      this.pages.set(i / this.pageSize, opts.buffer.slice(i, i + this.pageSize))
+    }
+    this.byteLength = opts.buffer.length
+    this.length = 8 * this.byteLength
+  }
+}
+
+Bitfield.prototype.get = function (i) {
+  var o = i & 7
+  var j = (i - o) / 8
+
+  return !!(this.getByte(j) & (128 >> o))
+}
+
+Bitfield.prototype.getByte = function (i) {
+  var o = i & this._pageMask
+  var j = (i - o) / this.pageSize
+  var page = this.pages.get(j, true)
+
+  return page ? page.buffer[o + this.pageOffset] : 0
+}
+
+Bitfield.prototype.set = function (i, v) {
+  var o = i & 7
+  var j = (i - o) / 8
+  var b = this.getByte(j)
+
+  return this.setByte(j, v ? b | (128 >> o) : b & (255 ^ (128 >> o)))
+}
+
+Bitfield.prototype.toBuffer = function () {
+  var all = alloc(this.pages.length * this.pageSize)
+
+  for (var i = 0; i < this.pages.length; i++) {
+    var next = this.pages.get(i, true)
+    var allOffset = i * this.pageSize
+    if (next) next.buffer.copy(all, allOffset, this.pageOffset, this.pageOffset + this.pageSize)
+  }
+
+  return all
+}
+
+Bitfield.prototype.setByte = function (i, b) {
+  var o = i & this._pageMask
+  var j = (i - o) / this.pageSize
+  var page = this.pages.get(j, false)
+
+  o += this.pageOffset
+
+  if (page.buffer[o] === b) return false
+  page.buffer[o] = b
+
+  if (i >= this.byteLength) {
+    this.byteLength = i + 1
+    this.length = this.byteLength * 8
+  }
+
+  if (this._trackUpdates) this.pages.updated(page)
+
+  return true
+}
+
+function alloc (n) {
+  if (Buffer.alloc) return Buffer.alloc(n)
+  var b = new Buffer(n)
+  b.fill(0)
+  return b
+}
+
+function powerOfTwo (x) {
+  return !(x & (x - 1))
+}
diff --git a/node_modules/sparse-bitfield/package.json b/node_modules/sparse-bitfield/package.json
new file mode 100644
index 000000000..092a23f61
--- /dev/null
+++ b/node_modules/sparse-bitfield/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "sparse-bitfield",
+  "version": "3.0.3",
+  "description": "Bitfield that allocates a series of small buffers to support sparse bits without allocating a massive buffer",
+  "main": "index.js",
+  "dependencies": {
+    "memory-pager": "^1.0.2"
+  },
+  "devDependencies": {
+    "buffer-alloc": "^1.1.0",
+    "standard": "^9.0.0",
+    "tape": "^4.6.3"
+  },
+  "scripts": {
+    "test": "standard && tape test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/mafintosh/sparse-bitfield.git"
+  },
+  "author": "Mathias Buus (@mafintosh)",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/mafintosh/sparse-bitfield/issues"
+  },
+  "homepage": "https://github.com/mafintosh/sparse-bitfield"
+}
diff --git a/node_modules/sparse-bitfield/test.js b/node_modules/sparse-bitfield/test.js
new file mode 100644
index 000000000..ae42ef467
--- /dev/null
+++ b/node_modules/sparse-bitfield/test.js
@@ -0,0 +1,79 @@
+var alloc = require('buffer-alloc')
+var tape = require('tape')
+var bitfield = require('./')
+
+tape('set and get', function (t) {
+  var bits = bitfield()
+
+  t.same(bits.get(0), false, 'first bit is false')
+  bits.set(0, true)
+  t.same(bits.get(0), true, 'first bit is true')
+  t.same(bits.get(1), false, 'second bit is false')
+  bits.set(0, false)
+  t.same(bits.get(0), false, 'first bit is reset')
+  t.end()
+})
+
+tape('set large and get', function (t) {
+  var bits = bitfield()
+
+  t.same(bits.get(9999999999999), false, 'large bit is false')
+  bits.set(9999999999999, true)
+  t.same(bits.get(9999999999999), true, 'large bit is true')
+  t.same(bits.get(9999999999999 + 1), false, 'large bit + 1 is false')
+  bits.set(9999999999999, false)
+  t.same(bits.get(9999999999999), false, 'large bit is reset')
+  t.end()
+})
+
+tape('get and set buffer', function (t) {
+  var bits = bitfield({trackUpdates: true})
+
+  t.same(bits.pages.get(0, true), undefined)
+  t.same(bits.pages.get(Math.floor(9999999999999 / 8 / 1024), true), undefined)
+  bits.set(9999999999999, true)
+
+  var bits2 = bitfield()
+  var upd = bits.pages.lastUpdate()
+  bits2.pages.set(Math.floor(upd.offset / 1024), upd.buffer)
+  t.same(bits2.get(9999999999999), true, 'bit is set')
+  t.end()
+})
+
+tape('toBuffer', function (t) {
+  var bits = bitfield()
+
+  t.same(bits.toBuffer(), alloc(0))
+
+  bits.set(0, true)
+
+  t.same(bits.toBuffer(), bits.pages.get(0).buffer)
+
+  bits.set(9000, true)
+
+  t.same(bits.toBuffer(), Buffer.concat([bits.pages.get(0).buffer, bits.pages.get(1).buffer]))
+  t.end()
+})
+
+tape('pass in buffer', function (t) {
+  var bits = bitfield()
+
+  bits.set(0, true)
+  bits.set(9000, true)
+
+  var clone = bitfield(bits.toBuffer())
+
+  t.same(clone.get(0), true)
+  t.same(clone.get(9000), true)
+  t.end()
+})
+
+tape('set small buffer', function (t) {
+  var buf = alloc(1)
+  buf[0] = 255
+  var bits = bitfield(buf)
+
+  t.same(bits.get(0), true)
+  t.same(bits.pages.get(0).buffer.length, bits.pageSize)
+  t.end()
+})
diff --git a/node_modules/sshpk/.travis.yml b/node_modules/sshpk/.travis.yml
new file mode 100644
index 000000000..c3394c258
--- /dev/null
+++ b/node_modules/sshpk/.travis.yml
@@ -0,0 +1,11 @@
+language: node_js
+node_js:
+  - "5.10"
+  - "4.4"
+  - "4.1"
+  - "0.12"
+  - "0.10"
+before_install:
+  - "make check"
+after_success:
+  - '[ "${TRAVIS_NODE_VERSION}" = "4.4" ] && make codecovio'
diff --git a/node_modules/sshpk/Jenkinsfile b/node_modules/sshpk/Jenkinsfile
new file mode 100644
index 000000000..cd0bf2250
--- /dev/null
+++ b/node_modules/sshpk/Jenkinsfile
@@ -0,0 +1,86 @@
+@Library('jenkins-joylib@v1.0.8') _
+
+pipeline {
+
+    agent none
+
+    options {
+        buildDiscarder(logRotator(numToKeepStr: '30'))
+        timestamps()
+    }
+
+    stages {
+        stage('top') {
+            parallel {
+                stage('v0.10.48-zone') {
+                    agent {
+                        label joyCommonLabels(image_ver: '15.4.1')
+                    }
+                    tools {
+                        nodejs 'sdcnode-v0.10.48-zone'
+                    }
+                    stages {
+                        stage('check') {
+                            steps{
+                                sh('make check')
+                            }
+                        }
+                        stage('test') {
+                            steps{
+                                sh('make test')
+                            }
+                        }
+                    }
+                }
+
+                stage('v4-zone') {
+                    agent {
+                        label joyCommonLabels(image_ver: '15.4.1')
+                    }
+                    tools {
+                        nodejs 'sdcnode-v4-zone'
+                    }
+                    stages {
+                        stage('check') {
+                            steps{
+                                sh('make check')
+                            }
+                        }
+                        stage('test') {
+                            steps{
+                                sh('make test')
+                            }
+                        }
+                    }
+                }
+                
+                stage('v6-zone64') {
+                    agent {
+                        label joyCommonLabels(image_ver: '18.4.0')
+                    }
+                    tools {
+                        nodejs 'sdcnode-v6-zone64'
+                    }
+                    stages {
+                        stage('check') {
+                            steps{
+                                sh('make check')
+                            }
+                        }
+                        stage('test') {
+                            steps{
+                                sh('make test')
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    post {
+        always {
+            joySlackNotifications()
+        }
+    }
+}
diff --git a/node_modules/sshpk/LICENSE b/node_modules/sshpk/LICENSE
new file mode 100644
index 000000000..f6d947d2f
--- /dev/null
+++ b/node_modules/sshpk/LICENSE
@@ -0,0 +1,18 @@
+Copyright Joyent, Inc. All rights reserved.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
diff --git a/node_modules/sshpk/README.md b/node_modules/sshpk/README.md
new file mode 100644
index 000000000..5740f74d1
--- /dev/null
+++ b/node_modules/sshpk/README.md
@@ -0,0 +1,804 @@
+sshpk
+=========
+
+Parse, convert, fingerprint and use SSH keys (both public and private) in pure
+node -- no `ssh-keygen` or other external dependencies.
+
+Supports RSA, DSA, ECDSA (nistp-\*) and ED25519 key types, in PEM (PKCS#1, 
+PKCS#8) and OpenSSH formats.
+
+This library has been extracted from
+[`node-http-signature`](https://github.com/joyent/node-http-signature)
+(work by [Mark Cavage](https://github.com/mcavage) and
+[Dave Eddy](https://github.com/bahamas10)) and
+[`node-ssh-fingerprint`](https://github.com/bahamas10/node-ssh-fingerprint)
+(work by Dave Eddy), with additions (including ECDSA support) by
+[Alex Wilson](https://github.com/arekinath).
+
+Install
+-------
+
+```
+npm install sshpk
+```
+
+Examples
+--------
+
+```js
+var sshpk = require('sshpk');
+
+var fs = require('fs');
+
+/* Read in an OpenSSH-format public key */
+var keyPub = fs.readFileSync('id_rsa.pub');
+var key = sshpk.parseKey(keyPub, 'ssh');
+
+/* Get metadata about the key */
+console.log('type => %s', key.type);
+console.log('size => %d bits', key.size);
+console.log('comment => %s', key.comment);
+
+/* Compute key fingerprints, in new OpenSSH (>6.7) format, and old MD5 */
+console.log('fingerprint => %s', key.fingerprint().toString());
+console.log('old-style fingerprint => %s', key.fingerprint('md5').toString());
+```
+
+Example output:
+
+```
+type => rsa
+size => 2048 bits
+comment => foo@foo.com
+fingerprint => SHA256:PYC9kPVC6J873CSIbfp0LwYeczP/W4ffObNCuDJ1u5w
+old-style fingerprint => a0:c8:ad:6c:32:9a:32:fa:59:cc:a9:8c:0a:0d:6e:bd
+```
+
+More examples: converting between formats:
+
+```js
+/* Read in a PEM public key */
+var keyPem = fs.readFileSync('id_rsa.pem');
+var key = sshpk.parseKey(keyPem, 'pem');
+
+/* Convert to PEM PKCS#8 public key format */
+var pemBuf = key.toBuffer('pkcs8');
+
+/* Convert to SSH public key format (and return as a string) */
+var sshKey = key.toString('ssh');
+```
+
+Signing and verifying:
+
+```js
+/* Read in an OpenSSH/PEM *private* key */
+var keyPriv = fs.readFileSync('id_ecdsa');
+var key = sshpk.parsePrivateKey(keyPriv, 'pem');
+
+var data = 'some data';
+
+/* Sign some data with the key */
+var s = key.createSign('sha1');
+s.update(data);
+var signature = s.sign();
+
+/* Now load the public key (could also use just key.toPublic()) */
+var keyPub = fs.readFileSync('id_ecdsa.pub');
+key = sshpk.parseKey(keyPub, 'ssh');
+
+/* Make a crypto.Verifier with this key */
+var v = key.createVerify('sha1');
+v.update(data);
+var valid = v.verify(signature);
+/* => true! */
+```
+
+Matching fingerprints with keys:
+
+```js
+var fp = sshpk.parseFingerprint('SHA256:PYC9kPVC6J873CSIbfp0LwYeczP/W4ffObNCuDJ1u5w');
+
+var keys = [sshpk.parseKey(...), sshpk.parseKey(...), ...];
+
+keys.forEach(function (key) {
+	if (fp.matches(key))
+		console.log('found it!');
+});
+```
+
+Usage
+-----
+
+## Public keys
+
+### `parseKey(data[, format = 'auto'[, options]])`
+
+Parses a key from a given data format and returns a new `Key` object.
+
+Parameters
+
+- `data` -- Either a Buffer or String, containing the key
+- `format` -- String name of format to use, valid options are:
+  - `auto`: choose automatically from all below
+  - `pem`: supports both PKCS#1 and PKCS#8
+  - `ssh`: standard OpenSSH format,
+  - `pkcs1`, `pkcs8`: variants of `pem`
+  - `rfc4253`: raw OpenSSH wire format
+  - `openssh`: new post-OpenSSH 6.5 internal format, produced by 
+               `ssh-keygen -o`
+  - `dnssec`: `.key` file format output by `dnssec-keygen` etc
+  - `putty`: the PuTTY `.ppk` file format (supports truncated variant without
+             all the lines from `Private-Lines:` onwards)
+- `options` -- Optional Object, extra options, with keys:
+  - `filename` -- Optional String, name for the key being parsed 
+                  (eg. the filename that was opened). Used to generate
+                  Error messages
+  - `passphrase` -- Optional String, encryption passphrase used to decrypt an
+                    encrypted PEM file
+
+### `Key.isKey(obj)`
+
+Returns `true` if the given object is a valid `Key` object created by a version
+of `sshpk` compatible with this one.
+
+Parameters
+
+- `obj` -- Object to identify
+
+### `Key#type`
+
+String, the type of key. Valid options are `rsa`, `dsa`, `ecdsa`.
+
+### `Key#size`
+
+Integer, "size" of the key in bits. For RSA/DSA this is the size of the modulus;
+for ECDSA this is the bit size of the curve in use.
+
+### `Key#comment`
+
+Optional string, a key comment used by some formats (eg the `ssh` format).
+
+### `Key#curve`
+
+Only present if `this.type === 'ecdsa'`, string containing the name of the
+named curve used with this key. Possible values include `nistp256`, `nistp384`
+and `nistp521`.
+
+### `Key#toBuffer([format = 'ssh'])`
+
+Convert the key into a given data format and return the serialized key as
+a Buffer.
+
+Parameters
+
+- `format` -- String name of format to use, for valid options see `parseKey()`
+
+### `Key#toString([format = 'ssh])`
+
+Same as `this.toBuffer(format).toString()`.
+
+### `Key#fingerprint([algorithm = 'sha256'[, hashType = 'ssh']])`
+
+Creates a new `Fingerprint` object representing this Key's fingerprint.
+
+Parameters
+
+- `algorithm` -- String name of hash algorithm to use, valid options are `md5`,
+                 `sha1`, `sha256`, `sha384`, `sha512`
+- `hashType` -- String name of fingerprint hash type to use, valid options are
+                `ssh` (the type of fingerprint used by OpenSSH, e.g. in
+                `ssh-keygen`), `spki` (used by HPKP, some OpenSSL applications)
+
+### `Key#createVerify([hashAlgorithm])`
+
+Creates a `crypto.Verifier` specialized to use this Key (and the correct public
+key algorithm to match it). The returned Verifier has the same API as a regular
+one, except that the `verify()` function takes only the target signature as an
+argument.
+
+Parameters
+
+- `hashAlgorithm` -- optional String name of hash algorithm to use, any
+                     supported by OpenSSL are valid, usually including
+                     `sha1`, `sha256`.
+
+`v.verify(signature[, format])` Parameters
+
+- `signature` -- either a Signature object, or a Buffer or String
+- `format` -- optional String, name of format to interpret given String with.
+              Not valid if `signature` is a Signature or Buffer.
+
+### `Key#createDiffieHellman()`
+### `Key#createDH()`
+
+Creates a Diffie-Hellman key exchange object initialized with this key and all
+necessary parameters. This has the same API as a `crypto.DiffieHellman`
+instance, except that functions take `Key` and `PrivateKey` objects as
+arguments, and return them where indicated for.
+
+This is only valid for keys belonging to a cryptosystem that supports DHE
+or a close analogue (i.e. `dsa`, `ecdsa` and `curve25519` keys). An attempt
+to call this function on other keys will yield an `Error`.
+
+## Private keys
+
+### `parsePrivateKey(data[, format = 'auto'[, options]])`
+
+Parses a private key from a given data format and returns a new
+`PrivateKey` object.
+
+Parameters
+
+- `data` -- Either a Buffer or String, containing the key
+- `format` -- String name of format to use, valid options are:
+  - `auto`: choose automatically from all below
+  - `pem`: supports both PKCS#1 and PKCS#8
+  - `ssh`, `openssh`: new post-OpenSSH 6.5 internal format, produced by
+                      `ssh-keygen -o`
+  - `pkcs1`, `pkcs8`: variants of `pem`
+  - `rfc4253`: raw OpenSSH wire format
+  - `dnssec`: `.private` format output by `dnssec-keygen` etc.
+- `options` -- Optional Object, extra options, with keys:
+  - `filename` -- Optional String, name for the key being parsed
+                  (eg. the filename that was opened). Used to generate
+                  Error messages
+  - `passphrase` -- Optional String, encryption passphrase used to decrypt an
+                    encrypted PEM file
+
+### `generatePrivateKey(type[, options])`
+
+Generates a new private key of a certain key type, from random data.
+
+Parameters
+
+- `type` -- String, type of key to generate. Currently supported are `'ecdsa'`
+            and `'ed25519'`
+- `options` -- optional Object, with keys:
+  - `curve` -- optional String, for `'ecdsa'` keys, specifies the curve to use.
+               If ECDSA is specified and this option is not given, defaults to
+               using `'nistp256'`.
+
+### `PrivateKey.isPrivateKey(obj)`
+
+Returns `true` if the given object is a valid `PrivateKey` object created by a
+version of `sshpk` compatible with this one.
+
+Parameters
+
+- `obj` -- Object to identify
+
+### `PrivateKey#type`
+
+String, the type of key. Valid options are `rsa`, `dsa`, `ecdsa`.
+
+### `PrivateKey#size`
+
+Integer, "size" of the key in bits. For RSA/DSA this is the size of the modulus;
+for ECDSA this is the bit size of the curve in use.
+
+### `PrivateKey#curve`
+
+Only present if `this.type === 'ecdsa'`, string containing the name of the
+named curve used with this key. Possible values include `nistp256`, `nistp384`
+and `nistp521`.
+
+### `PrivateKey#toBuffer([format = 'pkcs1'])`
+
+Convert the key into a given data format and return the serialized key as
+a Buffer.
+
+Parameters
+
+- `format` -- String name of format to use, valid options are listed under 
+              `parsePrivateKey`. Note that ED25519 keys default to `openssh`
+              format instead (as they have no `pkcs1` representation).
+
+### `PrivateKey#toString([format = 'pkcs1'])`
+
+Same as `this.toBuffer(format).toString()`.
+
+### `PrivateKey#toPublic()`
+
+Extract just the public part of this private key, and return it as a `Key`
+object.
+
+### `PrivateKey#fingerprint([algorithm = 'sha256'])`
+
+Same as `this.toPublic().fingerprint()`.
+
+### `PrivateKey#createVerify([hashAlgorithm])`
+
+Same as `this.toPublic().createVerify()`.
+
+### `PrivateKey#createSign([hashAlgorithm])`
+
+Creates a `crypto.Sign` specialized to use this PrivateKey (and the correct
+key algorithm to match it). The returned Signer has the same API as a regular
+one, except that the `sign()` function takes no arguments, and returns a
+`Signature` object.
+
+Parameters
+
+- `hashAlgorithm` -- optional String name of hash algorithm to use, any
+                     supported by OpenSSL are valid, usually including
+                     `sha1`, `sha256`.
+
+`v.sign()` Parameters
+
+- none
+
+### `PrivateKey#derive(newType)`
+
+Derives a related key of type `newType` from this key. Currently this is
+only supported to change between `ed25519` and `curve25519` keys which are
+stored with the same private key (but usually distinct public keys in order
+to avoid degenerate keys that lead to a weak Diffie-Hellman exchange).
+
+Parameters
+
+- `newType` -- String, type of key to derive, either `ed25519` or `curve25519`
+
+## Fingerprints
+
+### `parseFingerprint(fingerprint[, options])`
+
+Pre-parses a fingerprint, creating a `Fingerprint` object that can be used to
+quickly locate a key by using the `Fingerprint#matches` function.
+
+Parameters
+
+- `fingerprint` -- String, the fingerprint value, in any supported format
+- `options` -- Optional Object, with properties:
+  - `algorithms` -- Array of strings, names of hash algorithms to limit
+                support to. If `fingerprint` uses a hash algorithm not on
+                this list, throws `InvalidAlgorithmError`.
+  - `hashType` -- String, the type of hash the fingerprint uses, either `ssh`
+                  or `spki` (normally auto-detected based on the format, but
+                  can be overridden)
+  - `type` -- String, the entity this fingerprint identifies, either `key` or
+              `certificate`
+
+### `Fingerprint.isFingerprint(obj)`
+
+Returns `true` if the given object is a valid `Fingerprint` object created by a
+version of `sshpk` compatible with this one.
+
+Parameters
+
+- `obj` -- Object to identify
+
+### `Fingerprint#toString([format])`
+
+Returns a fingerprint as a string, in the given format.
+
+Parameters
+
+- `format` -- Optional String, format to use, valid options are `hex` and
+              `base64`. If this `Fingerprint` uses the `md5` algorithm, the
+              default format is `hex`. Otherwise, the default is `base64`.
+
+### `Fingerprint#matches(keyOrCertificate)`
+
+Verifies whether or not this `Fingerprint` matches a given `Key` or
+`Certificate`. This function uses double-hashing to avoid leaking timing
+information. Returns a boolean.
+
+Note that a `Key`-type Fingerprint will always return `false` if asked to match
+a `Certificate` and vice versa.
+
+Parameters
+
+- `keyOrCertificate` -- a `Key` object or `Certificate` object, the entity to
+                        match this fingerprint against
+
+## Signatures
+
+### `parseSignature(signature, algorithm, format)`
+
+Parses a signature in a given format, creating a `Signature` object. Useful
+for converting between the SSH and ASN.1 (PKCS/OpenSSL) signature formats, and
+also returned as output from `PrivateKey#createSign().sign()`.
+
+A Signature object can also be passed to a verifier produced by
+`Key#createVerify()` and it will automatically be converted internally into the
+correct format for verification.
+
+Parameters
+
+- `signature` -- a Buffer (binary) or String (base64), data of the actual
+                 signature in the given format
+- `algorithm` -- a String, name of the algorithm to be used, possible values
+                 are `rsa`, `dsa`, `ecdsa`
+- `format` -- a String, either `asn1` or `ssh`
+
+### `Signature.isSignature(obj)`
+
+Returns `true` if the given object is a valid `Signature` object created by a
+version of `sshpk` compatible with this one.
+
+Parameters
+
+- `obj` -- Object to identify
+
+### `Signature#toBuffer([format = 'asn1'])`
+
+Converts a Signature to the given format and returns it as a Buffer.
+
+Parameters
+
+- `format` -- a String, either `asn1` or `ssh`
+
+### `Signature#toString([format = 'asn1'])`
+
+Same as `this.toBuffer(format).toString('base64')`.
+
+## Certificates
+
+`sshpk` includes basic support for parsing certificates in X.509 (PEM) format
+and the OpenSSH certificate format. This feature is intended to be used mainly
+to access basic metadata about certificates, extract public keys from them, and
+also to generate simple self-signed certificates from an existing key.
+
+Notably, there is no implementation of CA chain-of-trust verification, and only
+very minimal support for key usage restrictions. Please do the security world
+a favour, and DO NOT use this code for certificate verification in the
+traditional X.509 CA chain style.
+
+### `parseCertificate(data, format)`
+
+Parameters
+
+ - `data` -- a Buffer or String
+ - `format` -- a String, format to use, one of `'openssh'`, `'pem'` (X.509 in a
+               PEM wrapper), or `'x509'` (raw DER encoded)
+
+### `createSelfSignedCertificate(subject, privateKey[, options])`
+
+Parameters
+
+ - `subject` -- an Identity, the subject of the certificate
+ - `privateKey` -- a PrivateKey, the key of the subject: will be used both to be
+                   placed in the certificate and also to sign it (since this is
+                   a self-signed certificate)
+ - `options` -- optional Object, with keys:
+   - `lifetime` -- optional Number, lifetime of the certificate from now in
+                   seconds
+   - `validFrom`, `validUntil` -- optional Dates, beginning and end of
+                                  certificate validity period. If given
+                                  `lifetime` will be ignored
+   - `serial` -- optional Buffer, the serial number of the certificate
+   - `purposes` -- optional Array of String, X.509 key usage restrictions
+
+### `createCertificate(subject, key, issuer, issuerKey[, options])`
+
+Parameters
+
+ - `subject` -- an Identity, the subject of the certificate
+ - `key` -- a Key, the public key of the subject
+ - `issuer` -- an Identity, the issuer of the certificate who will sign it
+ - `issuerKey` -- a PrivateKey, the issuer's private key for signing
+ - `options` -- optional Object, with keys:
+   - `lifetime` -- optional Number, lifetime of the certificate from now in
+                   seconds
+   - `validFrom`, `validUntil` -- optional Dates, beginning and end of
+                                  certificate validity period. If given
+                                  `lifetime` will be ignored
+   - `serial` -- optional Buffer, the serial number of the certificate
+   - `purposes` -- optional Array of String, X.509 key usage restrictions
+
+### `Certificate#subjects`
+
+Array of `Identity` instances describing the subject of this certificate.
+
+### `Certificate#issuer`
+
+The `Identity` of the Certificate's issuer (signer).
+
+### `Certificate#subjectKey`
+
+The public key of the subject of the certificate, as a `Key` instance.
+
+### `Certificate#issuerKey`
+
+The public key of the signing issuer of this certificate, as a `Key` instance.
+May be `undefined` if the issuer's key is unknown (e.g. on an X509 certificate).
+
+### `Certificate#serial`
+
+The serial number of the certificate. As this is normally a 64-bit or wider
+integer, it is returned as a Buffer.
+
+### `Certificate#purposes`
+
+Array of Strings indicating the X.509 key usage purposes that this certificate
+is valid for. The possible strings at the moment are:
+
+ * `'signature'` -- key can be used for digital signatures
+ * `'identity'` -- key can be used to attest about the identity of the signer
+                   (X.509 calls this `nonRepudiation`)
+ * `'codeSigning'` -- key can be used to sign executable code
+ * `'keyEncryption'` -- key can be used to encrypt other keys
+ * `'encryption'` -- key can be used to encrypt data (only applies for RSA)
+ * `'keyAgreement'` -- key can be used for key exchange protocols such as
+                       Diffie-Hellman
+ * `'ca'` -- key can be used to sign other certificates (is a Certificate
+             Authority)
+ * `'crl'` -- key can be used to sign Certificate Revocation Lists (CRLs)
+
+### `Certificate#getExtension(nameOrOid)`
+
+Retrieves information about a certificate extension, if present, or returns
+`undefined` if not. The string argument `nameOrOid` should be either the OID
+(for X509 extensions) or the name (for OpenSSH extensions) of the extension
+to retrieve.
+
+The object returned will have the following properties:
+
+ * `format` -- String, set to either `'x509'` or `'openssh'`
+ * `name` or `oid` -- String, only one set based on value of `format`
+ * `data` -- Buffer, the raw data inside the extension
+
+### `Certificate#getExtensions()`
+
+Returns an Array of all present certificate extensions, in the same manner and
+format as `getExtension()`.
+
+### `Certificate#isExpired([when])`
+
+Tests whether the Certificate is currently expired (i.e. the `validFrom` and
+`validUntil` dates specify a range of time that does not include the current
+time).
+
+Parameters
+
+ - `when` -- optional Date, if specified, tests whether the Certificate was or
+             will be expired at the specified time instead of now
+
+Returns a Boolean.
+
+### `Certificate#isSignedByKey(key)`
+
+Tests whether the Certificate was validly signed by the given (public) Key.
+
+Parameters
+
+ - `key` -- a Key instance
+
+Returns a Boolean.
+
+### `Certificate#isSignedBy(certificate)`
+
+Tests whether this Certificate was validly signed by the subject of the given
+certificate. Also tests that the issuer Identity of this Certificate and the
+subject Identity of the other Certificate are equivalent.
+
+Parameters
+
+ - `certificate` -- another Certificate instance
+
+Returns a Boolean.
+
+### `Certificate#fingerprint([hashAlgo])`
+
+Returns the X509-style fingerprint of the entire certificate (as a Fingerprint
+instance). This matches what a web-browser or similar would display as the
+certificate fingerprint and should not be confused with the fingerprint of the
+subject's public key.
+
+Parameters
+
+ - `hashAlgo` -- an optional String, any hash function name
+
+### `Certificate#toBuffer([format])`
+
+Serializes the Certificate to a Buffer and returns it.
+
+Parameters
+
+ - `format` -- an optional String, output format, one of `'openssh'`, `'pem'` or
+               `'x509'`. Defaults to `'x509'`.
+
+Returns a Buffer.
+
+### `Certificate#toString([format])`
+
+ - `format` -- an optional String, output format, one of `'openssh'`, `'pem'` or
+               `'x509'`. Defaults to `'pem'`.
+
+Returns a String.
+
+## Certificate identities
+
+### `identityForHost(hostname)`
+
+Constructs a host-type Identity for a given hostname.
+
+Parameters
+
+ - `hostname` -- the fully qualified DNS name of the host
+
+Returns an Identity instance.
+
+### `identityForUser(uid)`
+
+Constructs a user-type Identity for a given UID.
+
+Parameters
+
+ - `uid` -- a String, user identifier (login name)
+
+Returns an Identity instance.
+
+### `identityForEmail(email)`
+
+Constructs an email-type Identity for a given email address.
+
+Parameters
+
+ - `email` -- a String, email address
+
+Returns an Identity instance.
+
+### `identityFromDN(dn)`
+
+Parses an LDAP-style DN string (e.g. `'CN=foo, C=US'`) and turns it into an
+Identity instance.
+
+Parameters
+
+ - `dn` -- a String
+
+Returns an Identity instance.
+
+### `identityFromArray(arr)`
+
+Constructs an Identity from an array of DN components (see `Identity#toArray()`
+for the format).
+
+Parameters
+
+ - `arr` -- an Array of Objects, DN components with `name` and `value`
+
+Returns an Identity instance.
+
+
+Supported attributes in DNs:
+
+| Attribute name | OID |
+| -------------- | --- |
+| `cn` | `2.5.4.3` |
+| `o` | `2.5.4.10` |
+| `ou` | `2.5.4.11` |
+| `l` | `2.5.4.7` |
+| `s` | `2.5.4.8` |
+| `c` | `2.5.4.6` |
+| `sn` | `2.5.4.4` |
+| `postalCode` | `2.5.4.17` |
+| `serialNumber` | `2.5.4.5` |
+| `street` | `2.5.4.9` |
+| `x500UniqueIdentifier` | `2.5.4.45` |
+| `role` | `2.5.4.72` |
+| `telephoneNumber` | `2.5.4.20` |
+| `description` | `2.5.4.13` |
+| `dc` | `0.9.2342.19200300.100.1.25` |
+| `uid` | `0.9.2342.19200300.100.1.1` |
+| `mail` | `0.9.2342.19200300.100.1.3` |
+| `title` | `2.5.4.12` |
+| `gn` | `2.5.4.42` |
+| `initials` | `2.5.4.43` |
+| `pseudonym` | `2.5.4.65` |
+
+### `Identity#toString()`
+
+Returns the identity as an LDAP-style DN string.
+e.g. `'CN=foo, O=bar corp, C=us'`
+
+### `Identity#type`
+
+The type of identity. One of `'host'`, `'user'`, `'email'` or `'unknown'`
+
+### `Identity#hostname`
+### `Identity#uid`
+### `Identity#email`
+
+Set when `type` is `'host'`, `'user'`, or `'email'`, respectively. Strings.
+
+### `Identity#cn`
+
+The value of the first `CN=` in the DN, if any. It's probably better to use
+the `#get()` method instead of this property.
+
+### `Identity#get(name[, asArray])`
+
+Returns the value of a named attribute in the Identity DN. If there is no
+attribute of the given name, returns `undefined`. If multiple components
+of the DN contain an attribute of this name, an exception is thrown unless
+the `asArray` argument is given as `true` -- then they will be returned as
+an Array in the same order they appear in the DN.
+
+Parameters
+
+ - `name` -- a String
+ - `asArray` -- an optional Boolean
+
+### `Identity#toArray()`
+
+Returns the Identity as an Array of DN component objects. This looks like:
+
+```js
+[ {
+  "name": "cn",
+  "value": "Joe Bloggs"
+},
+{
+  "name": "o",
+  "value": "Organisation Ltd"
+} ]
+```
+
+Each object has a `name` and a `value` property. The returned objects may be
+safely modified.
+
+Errors
+------
+
+### `InvalidAlgorithmError`
+
+The specified algorithm is not valid, either because it is not supported, or
+because it was not included on a list of allowed algorithms.
+
+Thrown by `Fingerprint.parse`, `Key#fingerprint`.
+
+Properties
+
+- `algorithm` -- the algorithm that could not be validated
+
+### `FingerprintFormatError`
+
+The fingerprint string given could not be parsed as a supported fingerprint
+format, or the specified fingerprint format is invalid.
+
+Thrown by `Fingerprint.parse`, `Fingerprint#toString`.
+
+Properties
+
+- `fingerprint` -- if caused by a fingerprint, the string value given
+- `format` -- if caused by an invalid format specification, the string value given
+
+### `KeyParseError`
+
+The key data given could not be parsed as a valid key.
+
+Properties
+
+- `keyName` -- `filename` that was given to `parseKey`
+- `format` -- the `format` that was trying to parse the key (see `parseKey`)
+- `innerErr` -- the inner Error thrown by the format parser
+
+### `KeyEncryptedError`
+
+The key is encrypted with a symmetric key (ie, it is password protected). The
+parsing operation would succeed if it was given the `passphrase` option.
+
+Properties
+
+- `keyName` -- `filename` that was given to `parseKey`
+- `format` -- the `format` that was trying to parse the key (currently can only
+              be `"pem"`)
+
+### `CertificateParseError`
+
+The certificate data given could not be parsed as a valid certificate.
+
+Properties
+
+- `certName` -- `filename` that was given to `parseCertificate`
+- `format` -- the `format` that was trying to parse the key
+              (see `parseCertificate`)
+- `innerErr` -- the inner Error thrown by the format parser
+
+Friends of sshpk
+----------------
+
+ * [`sshpk-agent`](https://github.com/arekinath/node-sshpk-agent) is a library
+   for speaking the `ssh-agent` protocol from node.js, which uses `sshpk`
diff --git a/node_modules/sshpk/bin/sshpk-conv b/node_modules/sshpk/bin/sshpk-conv
new file mode 100644
index 000000000..e839ede5b
--- /dev/null
+++ b/node_modules/sshpk/bin/sshpk-conv
@@ -0,0 +1,243 @@
+#!/usr/bin/env node
+// -*- mode: js -*-
+// vim: set filetype=javascript :
+// Copyright 2018 Joyent, Inc.	All rights reserved.
+
+var dashdash = require('dashdash');
+var sshpk = require('../lib/index');
+var fs = require('fs');
+var path = require('path');
+var tty = require('tty');
+var readline = require('readline');
+var getPassword = require('getpass').getPass;
+
+var options = [
+	{
+		names: ['outformat', 't'],
+		type: 'string',
+		help: 'Output format'
+	},
+	{
+		names: ['informat', 'T'],
+		type: 'string',
+		help: 'Input format'
+	},
+	{
+		names: ['file', 'f'],
+		type: 'string',
+		help: 'Input file name (default stdin)'
+	},
+	{
+		names: ['out', 'o'],
+		type: 'string',
+		help: 'Output file name (default stdout)'
+	},
+	{
+		names: ['private', 'p'],
+		type: 'bool',
+		help: 'Produce a private key as output'
+	},
+	{
+		names: ['derive', 'd'],
+		type: 'string',
+		help: 'Output a new key derived from this one, with given algo'
+	},
+	{
+		names: ['identify', 'i'],
+		type: 'bool',
+		help: 'Print key metadata instead of converting'
+	},
+	{
+		names: ['fingerprint', 'F'],
+		type: 'bool',
+		help: 'Output key fingerprint'
+	},
+	{
+		names: ['hash', 'H'],
+		type: 'string',
+		help: 'Hash function to use for key fingeprint with -F'
+	},
+	{
+		names: ['spki', 's'],
+		type: 'bool',
+		help: 'With -F, generates an SPKI fingerprint instead of SSH'
+	},
+	{
+		names: ['comment', 'c'],
+		type: 'string',
+		help: 'Set key comment, if output format supports'
+	},
+	{
+		names: ['help', 'h'],
+		type: 'bool',
+		help: 'Shows this help text'
+	}
+];
+
+if (require.main === module) {
+	var parser = dashdash.createParser({
+		options: options
+	});
+
+	try {
+		var opts = parser.parse(process.argv);
+	} catch (e) {
+		console.error('sshpk-conv: error: %s', e.message);
+		process.exit(1);
+	}
+
+	if (opts.help || opts._args.length > 1) {
+		var help = parser.help({}).trimRight();
+		console.error('sshpk-conv: converts between SSH key formats\n');
+		console.error(help);
+		console.error('\navailable key formats:');
+		console.error('	 - pem, pkcs1	  eg id_rsa');
+		console.error('	 - ssh		  eg id_rsa.pub');
+		console.error('	 - pkcs8	  format you want for openssl');
+		console.error('	 - openssh	  like output of ssh-keygen -o');
+		console.error('	 - rfc4253	  raw OpenSSH wire format');
+		console.error('	 - dnssec	  dnssec-keygen format');
+		console.error('  - putty          PuTTY ppk format');
+		console.error('\navailable fingerprint formats:');
+		console.error('  - hex            colon-separated hex for SSH');
+		console.error('                   straight hex for SPKI');
+		console.error('  - base64         SHA256:* format from OpenSSH');
+		process.exit(1);
+	}
+
+	/*
+	 * Key derivation can only be done on private keys, so use of the -d
+	 * option necessarily implies -p.
+	 */
+	if (opts.derive)
+		opts.private = true;
+
+	var inFile = process.stdin;
+	var inFileName = 'stdin';
+
+	var inFilePath;
+	if (opts.file) {
+		inFilePath = opts.file;
+	} else if (opts._args.length === 1) {
+		inFilePath = opts._args[0];
+	}
+
+	if (inFilePath)
+		inFileName = path.basename(inFilePath);
+
+	try {
+		if (inFilePath) {
+			fs.accessSync(inFilePath, fs.R_OK);
+			inFile = fs.createReadStream(inFilePath);
+		}
+	} catch (e) {
+		ifError(e, 'error opening input file');
+	}
+
+	var outFile = process.stdout;
+
+	try {
+		if (opts.out && !opts.identify) {
+			fs.accessSync(path.dirname(opts.out), fs.W_OK);
+			outFile = fs.createWriteStream(opts.out);
+		}
+	} catch (e) {
+		ifError(e, 'error opening output file');
+	}
+
+	var bufs = [];
+	inFile.on('readable', function () {
+		var data;
+		while ((data = inFile.read()))
+			bufs.push(data);
+	});
+	var parseOpts = {};
+	parseOpts.filename = inFileName;
+	inFile.on('end', function processKey() {
+		var buf = Buffer.concat(bufs);
+		var fmt = 'auto';
+		if (opts.informat)
+			fmt = opts.informat;
+		var f = sshpk.parseKey;
+		if (opts.private)
+			f = sshpk.parsePrivateKey;
+		try {
+			var key = f(buf, fmt, parseOpts);
+		} catch (e) {
+			if (e.name === 'KeyEncryptedError') {
+				getPassword(function (err, pw) {
+					if (err)
+						ifError(err);
+					parseOpts.passphrase = pw;
+					processKey();
+				});
+				return;
+			}
+			ifError(e);
+		}
+
+		if (opts.derive)
+			key = key.derive(opts.derive);
+
+		if (opts.comment)
+			key.comment = opts.comment;
+
+		if (opts.identify) {
+			var kind = 'public';
+			if (sshpk.PrivateKey.isPrivateKey(key))
+				kind = 'private';
+			console.log('%s: a %d bit %s %s key', inFileName,
+			    key.size, key.type.toUpperCase(), kind);
+			if (key.type === 'ecdsa')
+				console.log('ECDSA curve: %s', key.curve);
+			if (key.comment)
+				console.log('Comment: %s', key.comment);
+			console.log('SHA256 fingerprint: ' +
+			    key.fingerprint('sha256').toString());
+			console.log('MD5 fingerprint: ' +
+			    key.fingerprint('md5').toString());
+			console.log('SPKI-SHA256 fingerprint: ' +
+			    key.fingerprint('sha256', 'spki').toString());
+			process.exit(0);
+			return;
+		}
+
+		if (opts.fingerprint) {
+			var hash = opts.hash;
+			var type = opts.spki ? 'spki' : 'ssh';
+			var format = opts.outformat;
+			var fp = key.fingerprint(hash, type).toString(format);
+			outFile.write(fp);
+			outFile.write('\n');
+			outFile.once('drain', function () {
+				process.exit(0);
+			});
+			return;
+		}
+
+		fmt = undefined;
+		if (opts.outformat)
+			fmt = opts.outformat;
+		outFile.write(key.toBuffer(fmt));
+		if (fmt === 'ssh' ||
+		    (!opts.private && fmt === undefined))
+			outFile.write('\n');
+		outFile.once('drain', function () {
+			process.exit(0);
+		});
+	});
+}
+
+function ifError(e, txt) {
+	if (txt)
+		txt = txt + ': ';
+	else
+		txt = '';
+	console.error('sshpk-conv: ' + txt + e.name + ': ' + e.message);
+	if (process.env['DEBUG'] || process.env['V']) {
+		console.error(e.stack);
+		if (e.innerErr)
+			console.error(e.innerErr.stack);
+	}
+	process.exit(1);
+}
diff --git a/node_modules/sshpk/bin/sshpk-sign b/node_modules/sshpk/bin/sshpk-sign
new file mode 100644
index 000000000..673fc9864
--- /dev/null
+++ b/node_modules/sshpk/bin/sshpk-sign
@@ -0,0 +1,191 @@
+#!/usr/bin/env node
+// -*- mode: js -*-
+// vim: set filetype=javascript :
+// Copyright 2015 Joyent, Inc.  All rights reserved.
+
+var dashdash = require('dashdash');
+var sshpk = require('../lib/index');
+var fs = require('fs');
+var path = require('path');
+var getPassword = require('getpass').getPass;
+
+var options = [
+	{
+		names: ['hash', 'H'],
+		type: 'string',
+		help: 'Hash algorithm (sha1, sha256, sha384, sha512)'
+	},
+	{
+		names: ['verbose', 'v'],
+		type: 'bool',
+		help: 'Display verbose info about key and hash used'
+	},
+	{
+		names: ['identity', 'i'],
+		type: 'string',
+		help: 'Path to key to use'
+	},
+	{
+		names: ['file', 'f'],
+		type: 'string',
+		help: 'Input filename'
+	},
+	{
+		names: ['out', 'o'],
+		type: 'string',
+		help: 'Output filename'
+	},
+	{
+		names: ['format', 't'],
+		type: 'string',
+		help: 'Signature format (asn1, ssh, raw)'
+	},
+	{
+		names: ['binary', 'b'],
+		type: 'bool',
+		help: 'Output raw binary instead of base64'
+	},
+	{
+		names: ['help', 'h'],
+		type: 'bool',
+		help: 'Shows this help text'
+	}
+];
+
+var parseOpts = {};
+
+if (require.main === module) {
+	var parser = dashdash.createParser({
+		options: options
+	});
+
+	try {
+		var opts = parser.parse(process.argv);
+	} catch (e) {
+		console.error('sshpk-sign: error: %s', e.message);
+		process.exit(1);
+	}
+
+	if (opts.help || opts._args.length > 1) {
+		var help = parser.help({}).trimRight();
+		console.error('sshpk-sign: sign data using an SSH key\n');
+		console.error(help);
+		process.exit(1);
+	}
+
+	if (!opts.identity) {
+		var help = parser.help({}).trimRight();
+		console.error('sshpk-sign: the -i or --identity option ' +
+		    'is required\n');
+		console.error(help);
+		process.exit(1);
+	}
+
+	var keyData = fs.readFileSync(opts.identity);
+	parseOpts.filename = opts.identity;
+
+	run();
+}
+
+function run() {
+	var key;
+	try {
+		key = sshpk.parsePrivateKey(keyData, 'auto', parseOpts);
+	} catch (e) {
+		if (e.name === 'KeyEncryptedError') {
+			getPassword(function (err, pw) {
+				parseOpts.passphrase = pw;
+				run();
+			});
+			return;
+		}
+		console.error('sshpk-sign: error loading private key "' +
+		    opts.identity + '": ' + e.name + ': ' + e.message);
+		process.exit(1);
+	}
+
+	var hash = opts.hash || key.defaultHashAlgorithm();
+
+	var signer;
+	try {
+		signer = key.createSign(hash);
+	} catch (e) {
+		console.error('sshpk-sign: error creating signer: ' +
+		    e.name + ': ' + e.message);
+		process.exit(1);
+	}
+
+	if (opts.verbose) {
+		console.error('sshpk-sign: using %s-%s with a %d bit key',
+		    key.type, hash, key.size);
+	}
+
+	var inFile = process.stdin;
+	var inFileName = 'stdin';
+
+	var inFilePath;
+	if (opts.file) {
+		inFilePath = opts.file;
+	} else if (opts._args.length === 1) {
+		inFilePath = opts._args[0];
+	}
+
+	if (inFilePath)
+		inFileName = path.basename(inFilePath);
+
+	try {
+		if (inFilePath) {
+			fs.accessSync(inFilePath, fs.R_OK);
+			inFile = fs.createReadStream(inFilePath);
+		}
+	} catch (e) {
+		console.error('sshpk-sign: error opening input file' +
+		     ': ' + e.name + ': ' + e.message);
+		process.exit(1);
+	}
+
+	var outFile = process.stdout;
+
+	try {
+		if (opts.out && !opts.identify) {
+			fs.accessSync(path.dirname(opts.out), fs.W_OK);
+			outFile = fs.createWriteStream(opts.out);
+		}
+	} catch (e) {
+		console.error('sshpk-sign: error opening output file' +
+		    ': ' + e.name + ': ' + e.message);
+		process.exit(1);
+	}
+
+	inFile.pipe(signer);
+	inFile.on('end', function () {
+		var sig;
+		try {
+			sig = signer.sign();
+		} catch (e) {
+			console.error('sshpk-sign: error signing data: ' +
+			    e.name + ': ' + e.message);
+			process.exit(1);
+		}
+
+		var fmt = opts.format || 'asn1';
+		var output;
+		try {
+			output = sig.toBuffer(fmt);
+			if (!opts.binary)
+				output = output.toString('base64');
+		} catch (e) {
+			console.error('sshpk-sign: error converting signature' +
+			    ' to ' + fmt + ' format: ' + e.name + ': ' +
+			    e.message);
+			process.exit(1);
+		}
+
+		outFile.write(output);
+		if (!opts.binary)
+			outFile.write('\n');
+		outFile.once('drain', function () {
+			process.exit(0);
+		});
+	});
+}
diff --git a/node_modules/sshpk/bin/sshpk-verify b/node_modules/sshpk/bin/sshpk-verify
new file mode 100644
index 000000000..fc71a82c8
--- /dev/null
+++ b/node_modules/sshpk/bin/sshpk-verify
@@ -0,0 +1,167 @@
+#!/usr/bin/env node
+// -*- mode: js -*-
+// vim: set filetype=javascript :
+// Copyright 2015 Joyent, Inc.  All rights reserved.
+
+var dashdash = require('dashdash');
+var sshpk = require('../lib/index');
+var fs = require('fs');
+var path = require('path');
+var Buffer = require('safer-buffer').Buffer;
+
+var options = [
+	{
+		names: ['hash', 'H'],
+		type: 'string',
+		help: 'Hash algorithm (sha1, sha256, sha384, sha512)'
+	},
+	{
+		names: ['verbose', 'v'],
+		type: 'bool',
+		help: 'Display verbose info about key and hash used'
+	},
+	{
+		names: ['identity', 'i'],
+		type: 'string',
+		help: 'Path to (public) key to use'
+	},
+	{
+		names: ['file', 'f'],
+		type: 'string',
+		help: 'Input filename'
+	},
+	{
+		names: ['format', 't'],
+		type: 'string',
+		help: 'Signature format (asn1, ssh, raw)'
+	},
+	{
+		names: ['signature', 's'],
+		type: 'string',
+		help: 'base64-encoded signature data'
+	},
+	{
+		names: ['help', 'h'],
+		type: 'bool',
+		help: 'Shows this help text'
+	}
+];
+
+if (require.main === module) {
+	var parser = dashdash.createParser({
+		options: options
+	});
+
+	try {
+		var opts = parser.parse(process.argv);
+	} catch (e) {
+		console.error('sshpk-verify: error: %s', e.message);
+		process.exit(3);
+	}
+
+	if (opts.help || opts._args.length > 1) {
+		var help = parser.help({}).trimRight();
+		console.error('sshpk-verify: sign data using an SSH key\n');
+		console.error(help);
+		process.exit(3);
+	}
+
+	if (!opts.identity) {
+		var help = parser.help({}).trimRight();
+		console.error('sshpk-verify: the -i or --identity option ' +
+		    'is required\n');
+		console.error(help);
+		process.exit(3);
+	}
+
+	if (!opts.signature) {
+		var help = parser.help({}).trimRight();
+		console.error('sshpk-verify: the -s or --signature option ' +
+		    'is required\n');
+		console.error(help);
+		process.exit(3);
+	}
+
+	var keyData = fs.readFileSync(opts.identity);
+
+	var key;
+	try {
+		key = sshpk.parseKey(keyData);
+	} catch (e) {
+		console.error('sshpk-verify: error loading key "' +
+		    opts.identity + '": ' + e.name + ': ' + e.message);
+		process.exit(2);
+	}
+
+	var fmt = opts.format || 'asn1';
+	var sigData = Buffer.from(opts.signature, 'base64');
+
+	var sig;
+	try {
+		sig = sshpk.parseSignature(sigData, key.type, fmt);
+	} catch (e) {
+		console.error('sshpk-verify: error parsing signature: ' +
+		    e.name + ': ' + e.message);
+		process.exit(2);
+	}
+
+	var hash = opts.hash || key.defaultHashAlgorithm();
+
+	var verifier;
+	try {
+		verifier = key.createVerify(hash);
+	} catch (e) {
+		console.error('sshpk-verify: error creating verifier: ' +
+		    e.name + ': ' + e.message);
+		process.exit(2);
+	}
+
+	if (opts.verbose) {
+		console.error('sshpk-verify: using %s-%s with a %d bit key',
+		    key.type, hash, key.size);
+	}
+
+	var inFile = process.stdin;
+	var inFileName = 'stdin';
+
+	var inFilePath;
+	if (opts.file) {
+		inFilePath = opts.file;
+	} else if (opts._args.length === 1) {
+		inFilePath = opts._args[0];
+	}
+
+	if (inFilePath)
+		inFileName = path.basename(inFilePath);
+
+	try {
+		if (inFilePath) {
+			fs.accessSync(inFilePath, fs.R_OK);
+			inFile = fs.createReadStream(inFilePath);
+		}
+	} catch (e) {
+		console.error('sshpk-verify: error opening input file' +
+		     ': ' + e.name + ': ' + e.message);
+		process.exit(2);
+	}
+
+	inFile.pipe(verifier);
+	inFile.on('end', function () {
+		var ret;
+		try {
+			ret = verifier.verify(sig);
+		} catch (e) {
+			console.error('sshpk-verify: error verifying data: ' +
+			    e.name + ': ' + e.message);
+			process.exit(1);
+		}
+
+		if (ret) {
+			console.error('OK');
+			process.exit(0);
+		}
+
+		console.error('NOT OK');
+		process.exit(1);
+	});
+}
diff --git a/node_modules/sshpk/lib/algs.js b/node_modules/sshpk/lib/algs.js
new file mode 100644
index 000000000..3b01e7d1d
--- /dev/null
+++ b/node_modules/sshpk/lib/algs.js
@@ -0,0 +1,168 @@
+// Copyright 2015 Joyent, Inc.
+
+var Buffer = require('safer-buffer').Buffer;
+
+var algInfo = {
+	'dsa': {
+		parts: ['p', 'q', 'g', 'y'],
+		sizePart: 'p'
+	},
+	'rsa': {
+		parts: ['e', 'n'],
+		sizePart: 'n'
+	},
+	'ecdsa': {
+		parts: ['curve', 'Q'],
+		sizePart: 'Q'
+	},
+	'ed25519': {
+		parts: ['A'],
+		sizePart: 'A'
+	}
+};
+algInfo['curve25519'] = algInfo['ed25519'];
+
+var algPrivInfo = {
+	'dsa': {
+		parts: ['p', 'q', 'g', 'y', 'x']
+	},
+	'rsa': {
+		parts: ['n', 'e', 'd', 'iqmp', 'p', 'q']
+	},
+	'ecdsa': {
+		parts: ['curve', 'Q', 'd']
+	},
+	'ed25519': {
+		parts: ['A', 'k']
+	}
+};
+algPrivInfo['curve25519'] = algPrivInfo['ed25519'];
+
+var hashAlgs = {
+	'md5': true,
+	'sha1': true,
+	'sha256': true,
+	'sha384': true,
+	'sha512': true
+};
+
+/*
+ * Taken from
+ * http://csrc.nist.gov/groups/ST/toolkit/documents/dss/NISTReCur.pdf
+ */
+var curves = {
+	'nistp256': {
+		size: 256,
+		pkcs8oid: '1.2.840.10045.3.1.7',
+		p: Buffer.from(('00' +
+		    'ffffffff 00000001 00000000 00000000' +
+		    '00000000 ffffffff ffffffff ffffffff').
+		    replace(/ /g, ''), 'hex'),
+		a: Buffer.from(('00' +
+		    'FFFFFFFF 00000001 00000000 00000000' +
+		    '00000000 FFFFFFFF FFFFFFFF FFFFFFFC').
+		    replace(/ /g, ''), 'hex'),
+		b: Buffer.from((
+		    '5ac635d8 aa3a93e7 b3ebbd55 769886bc' +
+		    '651d06b0 cc53b0f6 3bce3c3e 27d2604b').
+		    replace(/ /g, ''), 'hex'),
+		s: Buffer.from(('00' +
+		    'c49d3608 86e70493 6a6678e1 139d26b7' +
+		    '819f7e90').
+		    replace(/ /g, ''), 'hex'),
+		n: Buffer.from(('00' +
+		    'ffffffff 00000000 ffffffff ffffffff' +
+		    'bce6faad a7179e84 f3b9cac2 fc632551').
+		    replace(/ /g, ''), 'hex'),
+		G: Buffer.from(('04' +
+		    '6b17d1f2 e12c4247 f8bce6e5 63a440f2' +
+		    '77037d81 2deb33a0 f4a13945 d898c296' +
+		    '4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16' +
+		    '2bce3357 6b315ece cbb64068 37bf51f5').
+		    replace(/ /g, ''), 'hex')
+	},
+	'nistp384': {
+		size: 384,
+		pkcs8oid: '1.3.132.0.34',
+		p: Buffer.from(('00' +
+		    'ffffffff ffffffff ffffffff ffffffff' +
+		    'ffffffff ffffffff ffffffff fffffffe' +
+		    'ffffffff 00000000 00000000 ffffffff').
+		    replace(/ /g, ''), 'hex'),
+		a: Buffer.from(('00' +
+		    'FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF' +
+		    'FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFE' +
+		    'FFFFFFFF 00000000 00000000 FFFFFFFC').
+		    replace(/ /g, ''), 'hex'),
+		b: Buffer.from((
+		    'b3312fa7 e23ee7e4 988e056b e3f82d19' +
+		    '181d9c6e fe814112 0314088f 5013875a' +
+		    'c656398d 8a2ed19d 2a85c8ed d3ec2aef').
+		    replace(/ /g, ''), 'hex'),
+		s: Buffer.from(('00' +
+		    'a335926a a319a27a 1d00896a 6773a482' +
+		    '7acdac73').
+		    replace(/ /g, ''), 'hex'),
+		n: Buffer.from(('00' +
+		    'ffffffff ffffffff ffffffff ffffffff' +
+		    'ffffffff ffffffff c7634d81 f4372ddf' +
+		    '581a0db2 48b0a77a ecec196a ccc52973').
+		    replace(/ /g, ''), 'hex'),
+		G: Buffer.from(('04' +
+		    'aa87ca22 be8b0537 8eb1c71e f320ad74' +
+		    '6e1d3b62 8ba79b98 59f741e0 82542a38' +
+		    '5502f25d bf55296c 3a545e38 72760ab7' +
+		    '3617de4a 96262c6f 5d9e98bf 9292dc29' +
+		    'f8f41dbd 289a147c e9da3113 b5f0b8c0' +
+		    '0a60b1ce 1d7e819d 7a431d7c 90ea0e5f').
+		    replace(/ /g, ''), 'hex')
+	},
+	'nistp521': {
+		size: 521,
+		pkcs8oid: '1.3.132.0.35',
+		p: Buffer.from((
+		    '01ffffff ffffffff ffffffff ffffffff' +
+		    'ffffffff ffffffff ffffffff ffffffff' +
+		    'ffffffff ffffffff ffffffff ffffffff' +
+		    'ffffffff ffffffff ffffffff ffffffff' +
+		    'ffff').replace(/ /g, ''), 'hex'),
+		a: Buffer.from(('01FF' +
+		    'FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF' +
+		    'FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF' +
+		    'FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF' +
+		    'FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFC').
+		    replace(/ /g, ''), 'hex'),
+		b: Buffer.from(('51' +
+		    '953eb961 8e1c9a1f 929a21a0 b68540ee' +
+		    'a2da725b 99b315f3 b8b48991 8ef109e1' +
+		    '56193951 ec7e937b 1652c0bd 3bb1bf07' +
+		    '3573df88 3d2c34f1 ef451fd4 6b503f00').
+		    replace(/ /g, ''), 'hex'),
+		s: Buffer.from(('00' +
+		    'd09e8800 291cb853 96cc6717 393284aa' +
+		    'a0da64ba').replace(/ /g, ''), 'hex'),
+		n: Buffer.from(('01ff' +
+		    'ffffffff ffffffff ffffffff ffffffff' +
+		    'ffffffff ffffffff ffffffff fffffffa' +
+		    '51868783 bf2f966b 7fcc0148 f709a5d0' +
+		    '3bb5c9b8 899c47ae bb6fb71e 91386409').
+		    replace(/ /g, ''), 'hex'),
+		G: Buffer.from(('04' +
+		    '00c6 858e06b7 0404e9cd 9e3ecb66 2395b442' +
+		         '9c648139 053fb521 f828af60 6b4d3dba' +
+		         'a14b5e77 efe75928 fe1dc127 a2ffa8de' +
+		         '3348b3c1 856a429b f97e7e31 c2e5bd66' +
+		    '0118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9' +
+		         '98f54449 579b4468 17afbd17 273e662c' +
+		         '97ee7299 5ef42640 c550b901 3fad0761' +
+		         '353c7086 a272c240 88be9476 9fd16650').
+		    replace(/ /g, ''), 'hex')
+	}
+};
+
+module.exports = {
+	info: algInfo,
+	privInfo: algPrivInfo,
+	hashAlgs: hashAlgs,
+	curves: curves
+};
diff --git a/node_modules/sshpk/lib/certificate.js b/node_modules/sshpk/lib/certificate.js
new file mode 100644
index 000000000..693235707
--- /dev/null
+++ b/node_modules/sshpk/lib/certificate.js
@@ -0,0 +1,410 @@
+// Copyright 2016 Joyent, Inc.
+
+module.exports = Certificate;
+
+var assert = require('assert-plus');
+var Buffer = require('safer-buffer').Buffer;
+var algs = require('./algs');
+var crypto = require('crypto');
+var Fingerprint = require('./fingerprint');
+var Signature = require('./signature');
+var errs = require('./errors');
+var util = require('util');
+var utils = require('./utils');
+var Key = require('./key');
+var PrivateKey = require('./private-key');
+var Identity = require('./identity');
+
+var formats = {};
+formats['openssh'] = require('./formats/openssh-cert');
+formats['x509'] = require('./formats/x509');
+formats['pem'] = require('./formats/x509-pem');
+
+var CertificateParseError = errs.CertificateParseError;
+var InvalidAlgorithmError = errs.InvalidAlgorithmError;
+
+function Certificate(opts) {
+	assert.object(opts, 'options');
+	assert.arrayOfObject(opts.subjects, 'options.subjects');
+	utils.assertCompatible(opts.subjects[0], Identity, [1, 0],
+	    'options.subjects');
+	utils.assertCompatible(opts.subjectKey, Key, [1, 0],
+	    'options.subjectKey');
+	utils.assertCompatible(opts.issuer, Identity, [1, 0], 'options.issuer');
+	if (opts.issuerKey !== undefined) {
+		utils.assertCompatible(opts.issuerKey, Key, [1, 0],
+		    'options.issuerKey');
+	}
+	assert.object(opts.signatures, 'options.signatures');
+	assert.buffer(opts.serial, 'options.serial');
+	assert.date(opts.validFrom, 'options.validFrom');
+	assert.date(opts.validUntil, 'optons.validUntil');
+
+	assert.optionalArrayOfString(opts.purposes, 'options.purposes');
+
+	this._hashCache = {};
+
+	this.subjects = opts.subjects;
+	this.issuer = opts.issuer;
+	this.subjectKey = opts.subjectKey;
+	this.issuerKey = opts.issuerKey;
+	this.signatures = opts.signatures;
+	this.serial = opts.serial;
+	this.validFrom = opts.validFrom;
+	this.validUntil = opts.validUntil;
+	this.purposes = opts.purposes;
+}
+
+Certificate.formats = formats;
+
+Certificate.prototype.toBuffer = function (format, options) {
+	if (format === undefined)
+		format = 'x509';
+	assert.string(format, 'format');
+	assert.object(formats[format], 'formats[format]');
+	assert.optionalObject(options, 'options');
+
+	return (formats[format].write(this, options));
+};
+
+Certificate.prototype.toString = function (format, options) {
+	if (format === undefined)
+		format = 'pem';
+	return (this.toBuffer(format, options).toString());
+};
+
+Certificate.prototype.fingerprint = function (algo) {
+	if (algo === undefined)
+		algo = 'sha256';
+	assert.string(algo, 'algorithm');
+	var opts = {
+		type: 'certificate',
+		hash: this.hash(algo),
+		algorithm: algo
+	};
+	return (new Fingerprint(opts));
+};
+
+Certificate.prototype.hash = function (algo) {
+	assert.string(algo, 'algorithm');
+	algo = algo.toLowerCase();
+	if (algs.hashAlgs[algo] === undefined)
+		throw (new InvalidAlgorithmError(algo));
+
+	if (this._hashCache[algo])
+		return (this._hashCache[algo]);
+
+	var hash = crypto.createHash(algo).
+	    update(this.toBuffer('x509')).digest();
+	this._hashCache[algo] = hash;
+	return (hash);
+};
+
+Certificate.prototype.isExpired = function (when) {
+	if (when === undefined)
+		when = new Date();
+	return (!((when.getTime() >= this.validFrom.getTime()) &&
+		(when.getTime() < this.validUntil.getTime())));
+};
+
+Certificate.prototype.isSignedBy = function (issuerCert) {
+	utils.assertCompatible(issuerCert, Certificate, [1, 0], 'issuer');
+
+	if (!this.issuer.equals(issuerCert.subjects[0]))
+		return (false);
+	if (this.issuer.purposes && this.issuer.purposes.length > 0 &&
+	    this.issuer.purposes.indexOf('ca') === -1) {
+		return (false);
+	}
+
+	return (this.isSignedByKey(issuerCert.subjectKey));
+};
+
+Certificate.prototype.getExtension = function (keyOrOid) {
+	assert.string(keyOrOid, 'keyOrOid');
+	var ext = this.getExtensions().filter(function (maybeExt) {
+		if (maybeExt.format === 'x509')
+			return (maybeExt.oid === keyOrOid);
+		if (maybeExt.format === 'openssh')
+			return (maybeExt.name === keyOrOid);
+		return (false);
+	})[0];
+	return (ext);
+};
+
+Certificate.prototype.getExtensions = function () {
+	var exts = [];
+	var x509 = this.signatures.x509;
+	if (x509 && x509.extras && x509.extras.exts) {
+		x509.extras.exts.forEach(function (ext) {
+			ext.format = 'x509';
+			exts.push(ext);
+		});
+	}
+	var openssh = this.signatures.openssh;
+	if (openssh && openssh.exts) {
+		openssh.exts.forEach(function (ext) {
+			ext.format = 'openssh';
+			exts.push(ext);
+		});
+	}
+	return (exts);
+};
+
+Certificate.prototype.isSignedByKey = function (issuerKey) {
+	utils.assertCompatible(issuerKey, Key, [1, 2], 'issuerKey');
+
+	if (this.issuerKey !== undefined) {
+		return (this.issuerKey.
+		    fingerprint('sha512').matches(issuerKey));
+	}
+
+	var fmt = Object.keys(this.signatures)[0];
+	var valid = formats[fmt].verify(this, issuerKey);
+	if (valid)
+		this.issuerKey = issuerKey;
+	return (valid);
+};
+
+Certificate.prototype.signWith = function (key) {
+	utils.assertCompatible(key, PrivateKey, [1, 2], 'key');
+	var fmts = Object.keys(formats);
+	var didOne = false;
+	for (var i = 0; i < fmts.length; ++i) {
+		if (fmts[i] !== 'pem') {
+			var ret = formats[fmts[i]].sign(this, key);
+			if (ret === true)
+				didOne = true;
+		}
+	}
+	if (!didOne) {
+		throw (new Error('Failed to sign the certificate for any ' +
+		    'available certificate formats'));
+	}
+};
+
+Certificate.createSelfSigned = function (subjectOrSubjects, key, options) {
+	var subjects;
+	if (Array.isArray(subjectOrSubjects))
+		subjects = subjectOrSubjects;
+	else
+		subjects = [subjectOrSubjects];
+
+	assert.arrayOfObject(subjects);
+	subjects.forEach(function (subject) {
+		utils.assertCompatible(subject, Identity, [1, 0], 'subject');
+	});
+
+	utils.assertCompatible(key, PrivateKey, [1, 2], 'private key');
+
+	assert.optionalObject(options, 'options');
+	if (options === undefined)
+		options = {};
+	assert.optionalObject(options.validFrom, 'options.validFrom');
+	assert.optionalObject(options.validUntil, 'options.validUntil');
+	var validFrom = options.validFrom;
+	var validUntil = options.validUntil;
+	if (validFrom === undefined)
+		validFrom = new Date();
+	if (validUntil === undefined) {
+		assert.optionalNumber(options.lifetime, 'options.lifetime');
+		var lifetime = options.lifetime;
+		if (lifetime === undefined)
+			lifetime = 10*365*24*3600;
+		validUntil = new Date();
+		validUntil.setTime(validUntil.getTime() + lifetime*1000);
+	}
+	assert.optionalBuffer(options.serial, 'options.serial');
+	var serial = options.serial;
+	if (serial === undefined)
+		serial = Buffer.from('0000000000000001', 'hex');
+
+	var purposes = options.purposes;
+	if (purposes === undefined)
+		purposes = [];
+
+	if (purposes.indexOf('signature') === -1)
+		purposes.push('signature');
+
+	/* Self-signed certs are always CAs. */
+	if (purposes.indexOf('ca') === -1)
+		purposes.push('ca');
+	if (purposes.indexOf('crl') === -1)
+		purposes.push('crl');
+
+	/*
+	 * If we weren't explicitly given any other purposes, do the sensible
+	 * thing and add some basic ones depending on the subject type.
+	 */
+	if (purposes.length <= 3) {
+		var hostSubjects = subjects.filter(function (subject) {
+			return (subject.type === 'host');
+		});
+		var userSubjects = subjects.filter(function (subject) {
+			return (subject.type === 'user');
+		});
+		if (hostSubjects.length > 0) {
+			if (purposes.indexOf('serverAuth') === -1)
+				purposes.push('serverAuth');
+		}
+		if (userSubjects.length > 0) {
+			if (purposes.indexOf('clientAuth') === -1)
+				purposes.push('clientAuth');
+		}
+		if (userSubjects.length > 0 || hostSubjects.length > 0) {
+			if (purposes.indexOf('keyAgreement') === -1)
+				purposes.push('keyAgreement');
+			if (key.type === 'rsa' &&
+			    purposes.indexOf('encryption') === -1)
+				purposes.push('encryption');
+		}
+	}
+
+	var cert = new Certificate({
+		subjects: subjects,
+		issuer: subjects[0],
+		subjectKey: key.toPublic(),
+		issuerKey: key.toPublic(),
+		signatures: {},
+		serial: serial,
+		validFrom: validFrom,
+		validUntil: validUntil,
+		purposes: purposes
+	});
+	cert.signWith(key);
+
+	return (cert);
+};
+
+Certificate.create =
+    function (subjectOrSubjects, key, issuer, issuerKey, options) {
+	var subjects;
+	if (Array.isArray(subjectOrSubjects))
+		subjects = subjectOrSubjects;
+	else
+		subjects = [subjectOrSubjects];
+
+	assert.arrayOfObject(subjects);
+	subjects.forEach(function (subject) {
+		utils.assertCompatible(subject, Identity, [1, 0], 'subject');
+	});
+
+	utils.assertCompatible(key, Key, [1, 0], 'key');
+	if (PrivateKey.isPrivateKey(key))
+		key = key.toPublic();
+	utils.assertCompatible(issuer, Identity, [1, 0], 'issuer');
+	utils.assertCompatible(issuerKey, PrivateKey, [1, 2], 'issuer key');
+
+	assert.optionalObject(options, 'options');
+	if (options === undefined)
+		options = {};
+	assert.optionalObject(options.validFrom, 'options.validFrom');
+	assert.optionalObject(options.validUntil, 'options.validUntil');
+	var validFrom = options.validFrom;
+	var validUntil = options.validUntil;
+	if (validFrom === undefined)
+		validFrom = new Date();
+	if (validUntil === undefined) {
+		assert.optionalNumber(options.lifetime, 'options.lifetime');
+		var lifetime = options.lifetime;
+		if (lifetime === undefined)
+			lifetime = 10*365*24*3600;
+		validUntil = new Date();
+		validUntil.setTime(validUntil.getTime() + lifetime*1000);
+	}
+	assert.optionalBuffer(options.serial, 'options.serial');
+	var serial = options.serial;
+	if (serial === undefined)
+		serial = Buffer.from('0000000000000001', 'hex');
+
+	var purposes = options.purposes;
+	if (purposes === undefined)
+		purposes = [];
+
+	if (purposes.indexOf('signature') === -1)
+		purposes.push('signature');
+
+	if (options.ca === true) {
+		if (purposes.indexOf('ca') === -1)
+			purposes.push('ca');
+		if (purposes.indexOf('crl') === -1)
+			purposes.push('crl');
+	}
+
+	var hostSubjects = subjects.filter(function (subject) {
+		return (subject.type === 'host');
+	});
+	var userSubjects = subjects.filter(function (subject) {
+		return (subject.type === 'user');
+	});
+	if (hostSubjects.length > 0) {
+		if (purposes.indexOf('serverAuth') === -1)
+			purposes.push('serverAuth');
+	}
+	if (userSubjects.length > 0) {
+		if (purposes.indexOf('clientAuth') === -1)
+			purposes.push('clientAuth');
+	}
+	if (userSubjects.length > 0 || hostSubjects.length > 0) {
+		if (purposes.indexOf('keyAgreement') === -1)
+			purposes.push('keyAgreement');
+		if (key.type === 'rsa' &&
+		    purposes.indexOf('encryption') === -1)
+			purposes.push('encryption');
+	}
+
+	var cert = new Certificate({
+		subjects: subjects,
+		issuer: issuer,
+		subjectKey: key,
+		issuerKey: issuerKey.toPublic(),
+		signatures: {},
+		serial: serial,
+		validFrom: validFrom,
+		validUntil: validUntil,
+		purposes: purposes
+	});
+	cert.signWith(issuerKey);
+
+	return (cert);
+};
+
+Certificate.parse = function (data, format, options) {
+	if (typeof (data) !== 'string')
+		assert.buffer(data, 'data');
+	if (format === undefined)
+		format = 'auto';
+	assert.string(format, 'format');
+	if (typeof (options) === 'string')
+		options = { filename: options };
+	assert.optionalObject(options, 'options');
+	if (options === undefined)
+		options = {};
+	assert.optionalString(options.filename, 'options.filename');
+	if (options.filename === undefined)
+		options.filename = '(unnamed)';
+
+	assert.object(formats[format], 'formats[format]');
+
+	try {
+		var k = formats[format].read(data, options);
+		return (k);
+	} catch (e) {
+		throw (new CertificateParseError(options.filename, format, e));
+	}
+};
+
+Certificate.isCertificate = function (obj, ver) {
+	return (utils.isCompatible(obj, Certificate, ver));
+};
+
+/*
+ * API versions for Certificate:
+ * [1,0] -- initial ver
+ * [1,1] -- openssh format now unpacks extensions
+ */
+Certificate.prototype._sshpkApiVersion = [1, 1];
+
+Certificate._oldVersionDetect = function (obj) {
+	return ([1, 0]);
+};
diff --git a/node_modules/sshpk/lib/dhe.js b/node_modules/sshpk/lib/dhe.js
new file mode 100644
index 000000000..a3c8032cf
--- /dev/null
+++ b/node_modules/sshpk/lib/dhe.js
@@ -0,0 +1,397 @@
+// Copyright 2017 Joyent, Inc.
+
+module.exports = {
+	DiffieHellman: DiffieHellman,
+	generateECDSA: generateECDSA,
+	generateED25519: generateED25519
+};
+
+var assert = require('assert-plus');
+var crypto = require('crypto');
+var Buffer = require('safer-buffer').Buffer;
+var algs = require('./algs');
+var utils = require('./utils');
+var nacl = require('tweetnacl');
+
+var Key = require('./key');
+var PrivateKey = require('./private-key');
+
+var CRYPTO_HAVE_ECDH = (crypto.createECDH !== undefined);
+
+var ecdh = require('ecc-jsbn');
+var ec = require('ecc-jsbn/lib/ec');
+var jsbn = require('jsbn').BigInteger;
+
+function DiffieHellman(key) {
+	utils.assertCompatible(key, Key, [1, 4], 'key');
+	this._isPriv = PrivateKey.isPrivateKey(key, [1, 3]);
+	this._algo = key.type;
+	this._curve = key.curve;
+	this._key = key;
+	if (key.type === 'dsa') {
+		if (!CRYPTO_HAVE_ECDH) {
+			throw (new Error('Due to bugs in the node 0.10 ' +
+			    'crypto API, node 0.12.x or later is required ' +
+			    'to use DH'));
+		}
+		this._dh = crypto.createDiffieHellman(
+		    key.part.p.data, undefined,
+		    key.part.g.data, undefined);
+		this._p = key.part.p;
+		this._g = key.part.g;
+		if (this._isPriv)
+			this._dh.setPrivateKey(key.part.x.data);
+		this._dh.setPublicKey(key.part.y.data);
+
+	} else if (key.type === 'ecdsa') {
+		if (!CRYPTO_HAVE_ECDH) {
+			this._ecParams = new X9ECParameters(this._curve);
+
+			if (this._isPriv) {
+				this._priv = new ECPrivate(
+				    this._ecParams, key.part.d.data);
+			}
+			return;
+		}
+
+		var curve = {
+			'nistp256': 'prime256v1',
+			'nistp384': 'secp384r1',
+			'nistp521': 'secp521r1'
+		}[key.curve];
+		this._dh = crypto.createECDH(curve);
+		if (typeof (this._dh) !== 'object' ||
+		    typeof (this._dh.setPrivateKey) !== 'function') {
+			CRYPTO_HAVE_ECDH = false;
+			DiffieHellman.call(this, key);
+			return;
+		}
+		if (this._isPriv)
+			this._dh.setPrivateKey(key.part.d.data);
+		this._dh.setPublicKey(key.part.Q.data);
+
+	} else if (key.type === 'curve25519') {
+		if (this._isPriv) {
+			utils.assertCompatible(key, PrivateKey, [1, 5], 'key');
+			this._priv = key.part.k.data;
+		}
+
+	} else {
+		throw (new Error('DH not supported for ' + key.type + ' keys'));
+	}
+}
+
+DiffieHellman.prototype.getPublicKey = function () {
+	if (this._isPriv)
+		return (this._key.toPublic());
+	return (this._key);
+};
+
+DiffieHellman.prototype.getPrivateKey = function () {
+	if (this._isPriv)
+		return (this._key);
+	else
+		return (undefined);
+};
+DiffieHellman.prototype.getKey = DiffieHellman.prototype.getPrivateKey;
+
+DiffieHellman.prototype._keyCheck = function (pk, isPub) {
+	assert.object(pk, 'key');
+	if (!isPub)
+		utils.assertCompatible(pk, PrivateKey, [1, 3], 'key');
+	utils.assertCompatible(pk, Key, [1, 4], 'key');
+
+	if (pk.type !== this._algo) {
+		throw (new Error('A ' + pk.type + ' key cannot be used in ' +
+		    this._algo + ' Diffie-Hellman'));
+	}
+
+	if (pk.curve !== this._curve) {
+		throw (new Error('A key from the ' + pk.curve + ' curve ' +
+		    'cannot be used with a ' + this._curve +
+		    ' Diffie-Hellman'));
+	}
+
+	if (pk.type === 'dsa') {
+		assert.deepEqual(pk.part.p, this._p,
+		    'DSA key prime does not match');
+		assert.deepEqual(pk.part.g, this._g,
+		    'DSA key generator does not match');
+	}
+};
+
+DiffieHellman.prototype.setKey = function (pk) {
+	this._keyCheck(pk);
+
+	if (pk.type === 'dsa') {
+		this._dh.setPrivateKey(pk.part.x.data);
+		this._dh.setPublicKey(pk.part.y.data);
+
+	} else if (pk.type === 'ecdsa') {
+		if (CRYPTO_HAVE_ECDH) {
+			this._dh.setPrivateKey(pk.part.d.data);
+			this._dh.setPublicKey(pk.part.Q.data);
+		} else {
+			this._priv = new ECPrivate(
+			    this._ecParams, pk.part.d.data);
+		}
+
+	} else if (pk.type === 'curve25519') {
+		var k = pk.part.k;
+		if (!pk.part.k)
+			k = pk.part.r;
+		this._priv = k.data;
+		if (this._priv[0] === 0x00)
+			this._priv = this._priv.slice(1);
+		this._priv = this._priv.slice(0, 32);
+	}
+	this._key = pk;
+	this._isPriv = true;
+};
+DiffieHellman.prototype.setPrivateKey = DiffieHellman.prototype.setKey;
+
+DiffieHellman.prototype.computeSecret = function (otherpk) {
+	this._keyCheck(otherpk, true);
+	if (!this._isPriv)
+		throw (new Error('DH exchange has not been initialized with ' +
+		    'a private key yet'));
+
+	var pub;
+	if (this._algo === 'dsa') {
+		return (this._dh.computeSecret(
+		    otherpk.part.y.data));
+
+	} else if (this._algo === 'ecdsa') {
+		if (CRYPTO_HAVE_ECDH) {
+			return (this._dh.computeSecret(
+			    otherpk.part.Q.data));
+		} else {
+			pub = new ECPublic(
+			    this._ecParams, otherpk.part.Q.data);
+			return (this._priv.deriveSharedSecret(pub));
+		}
+
+	} else if (this._algo === 'curve25519') {
+		pub = otherpk.part.A.data;
+		while (pub[0] === 0x00 && pub.length > 32)
+			pub = pub.slice(1);
+		var priv = this._priv;
+		assert.strictEqual(pub.length, 32);
+		assert.strictEqual(priv.length, 32);
+
+		var secret = nacl.box.before(new Uint8Array(pub),
+		    new Uint8Array(priv));
+
+		return (Buffer.from(secret));
+	}
+
+	throw (new Error('Invalid algorithm: ' + this._algo));
+};
+
+DiffieHellman.prototype.generateKey = function () {
+	var parts = [];
+	var priv, pub;
+	if (this._algo === 'dsa') {
+		this._dh.generateKeys();
+
+		parts.push({name: 'p', data: this._p.data});
+		parts.push({name: 'q', data: this._key.part.q.data});
+		parts.push({name: 'g', data: this._g.data});
+		parts.push({name: 'y', data: this._dh.getPublicKey()});
+		parts.push({name: 'x', data: this._dh.getPrivateKey()});
+		this._key = new PrivateKey({
+			type: 'dsa',
+			parts: parts
+		});
+		this._isPriv = true;
+		return (this._key);
+
+	} else if (this._algo === 'ecdsa') {
+		if (CRYPTO_HAVE_ECDH) {
+			this._dh.generateKeys();
+
+			parts.push({name: 'curve',
+			    data: Buffer.from(this._curve)});
+			parts.push({name: 'Q', data: this._dh.getPublicKey()});
+			parts.push({name: 'd', data: this._dh.getPrivateKey()});
+			this._key = new PrivateKey({
+				type: 'ecdsa',
+				curve: this._curve,
+				parts: parts
+			});
+			this._isPriv = true;
+			return (this._key);
+
+		} else {
+			var n = this._ecParams.getN();
+			var r = new jsbn(crypto.randomBytes(n.bitLength()));
+			var n1 = n.subtract(jsbn.ONE);
+			priv = r.mod(n1).add(jsbn.ONE);
+			pub = this._ecParams.getG().multiply(priv);
+
+			priv = Buffer.from(priv.toByteArray());
+			pub = Buffer.from(this._ecParams.getCurve().
+			    encodePointHex(pub), 'hex');
+
+			this._priv = new ECPrivate(this._ecParams, priv);
+
+			parts.push({name: 'curve',
+			    data: Buffer.from(this._curve)});
+			parts.push({name: 'Q', data: pub});
+			parts.push({name: 'd', data: priv});
+
+			this._key = new PrivateKey({
+				type: 'ecdsa',
+				curve: this._curve,
+				parts: parts
+			});
+			this._isPriv = true;
+			return (this._key);
+		}
+
+	} else if (this._algo === 'curve25519') {
+		var pair = nacl.box.keyPair();
+		priv = Buffer.from(pair.secretKey);
+		pub = Buffer.from(pair.publicKey);
+		priv = Buffer.concat([priv, pub]);
+		assert.strictEqual(priv.length, 64);
+		assert.strictEqual(pub.length, 32);
+
+		parts.push({name: 'A', data: pub});
+		parts.push({name: 'k', data: priv});
+		this._key = new PrivateKey({
+			type: 'curve25519',
+			parts: parts
+		});
+		this._isPriv = true;
+		return (this._key);
+	}
+
+	throw (new Error('Invalid algorithm: ' + this._algo));
+};
+DiffieHellman.prototype.generateKeys = DiffieHellman.prototype.generateKey;
+
+/* These are helpers for using ecc-jsbn (for node 0.10 compatibility). */
+
+function X9ECParameters(name) {
+	var params = algs.curves[name];
+	assert.object(params);
+
+	var p = new jsbn(params.p);
+	var a = new jsbn(params.a);
+	var b = new jsbn(params.b);
+	var n = new jsbn(params.n);
+	var h = jsbn.ONE;
+	var curve = new ec.ECCurveFp(p, a, b);
+	var G = curve.decodePointHex(params.G.toString('hex'));
+
+	this.curve = curve;
+	this.g = G;
+	this.n = n;
+	this.h = h;
+}
+X9ECParameters.prototype.getCurve = function () { return (this.curve); };
+X9ECParameters.prototype.getG = function () { return (this.g); };
+X9ECParameters.prototype.getN = function () { return (this.n); };
+X9ECParameters.prototype.getH = function () { return (this.h); };
+
+function ECPublic(params, buffer) {
+	this._params = params;
+	if (buffer[0] === 0x00)
+		buffer = buffer.slice(1);
+	this._pub = params.getCurve().decodePointHex(buffer.toString('hex'));
+}
+
+function ECPrivate(params, buffer) {
+	this._params = params;
+	this._priv = new jsbn(utils.mpNormalize(buffer));
+}
+ECPrivate.prototype.deriveSharedSecret = function (pubKey) {
+	assert.ok(pubKey instanceof ECPublic);
+	var S = pubKey._pub.multiply(this._priv);
+	return (Buffer.from(S.getX().toBigInteger().toByteArray()));
+};
+
+function generateED25519() {
+	var pair = nacl.sign.keyPair();
+	var priv = Buffer.from(pair.secretKey);
+	var pub = Buffer.from(pair.publicKey);
+	assert.strictEqual(priv.length, 64);
+	assert.strictEqual(pub.length, 32);
+
+	var parts = [];
+	parts.push({name: 'A', data: pub});
+	parts.push({name: 'k', data: priv.slice(0, 32)});
+	var key = new PrivateKey({
+		type: 'ed25519',
+		parts: parts
+	});
+	return (key);
+}
+
+/* Generates a new ECDSA private key on a given curve. */
+function generateECDSA(curve) {
+	var parts = [];
+	var key;
+
+	if (CRYPTO_HAVE_ECDH) {
+		/*
+		 * Node crypto doesn't expose key generation directly, but the
+		 * ECDH instances can generate keys. It turns out this just
+		 * calls into the OpenSSL generic key generator, and we can
+		 * read its output happily without doing an actual DH. So we
+		 * use that here.
+		 */
+		var osCurve = {
+			'nistp256': 'prime256v1',
+			'nistp384': 'secp384r1',
+			'nistp521': 'secp521r1'
+		}[curve];
+
+		var dh = crypto.createECDH(osCurve);
+		dh.generateKeys();
+
+		parts.push({name: 'curve',
+		    data: Buffer.from(curve)});
+		parts.push({name: 'Q', data: dh.getPublicKey()});
+		parts.push({name: 'd', data: dh.getPrivateKey()});
+
+		key = new PrivateKey({
+			type: 'ecdsa',
+			curve: curve,
+			parts: parts
+		});
+		return (key);
+	} else {
+
+		var ecParams = new X9ECParameters(curve);
+
+		/* This algorithm taken from FIPS PUB 186-4 (section B.4.1) */
+		var n = ecParams.getN();
+		/*
+		 * The crypto.randomBytes() function can only give us whole
+		 * bytes, so taking a nod from X9.62, we round up.
+		 */
+		var cByteLen = Math.ceil((n.bitLength() + 64) / 8);
+		var c = new jsbn(crypto.randomBytes(cByteLen));
+
+		var n1 = n.subtract(jsbn.ONE);
+		var priv = c.mod(n1).add(jsbn.ONE);
+		var pub = ecParams.getG().multiply(priv);
+
+		priv = Buffer.from(priv.toByteArray());
+		pub = Buffer.from(ecParams.getCurve().
+		    encodePointHex(pub), 'hex');
+
+		parts.push({name: 'curve', data: Buffer.from(curve)});
+		parts.push({name: 'Q', data: pub});
+		parts.push({name: 'd', data: priv});
+
+		key = new PrivateKey({
+			type: 'ecdsa',
+			curve: curve,
+			parts: parts
+		});
+		return (key);
+	}
+}
diff --git a/node_modules/sshpk/lib/ed-compat.js b/node_modules/sshpk/lib/ed-compat.js
new file mode 100644
index 000000000..70732e1f7
--- /dev/null
+++ b/node_modules/sshpk/lib/ed-compat.js
@@ -0,0 +1,92 @@
+// Copyright 2015 Joyent, Inc.
+
+module.exports = {
+	Verifier: Verifier,
+	Signer: Signer
+};
+
+var nacl = require('tweetnacl');
+var stream = require('stream');
+var util = require('util');
+var assert = require('assert-plus');
+var Buffer = require('safer-buffer').Buffer;
+var Signature = require('./signature');
+
+function Verifier(key, hashAlgo) {
+	if (hashAlgo.toLowerCase() !== 'sha512')
+		throw (new Error('ED25519 only supports the use of ' +
+		    'SHA-512 hashes'));
+
+	this.key = key;
+	this.chunks = [];
+
+	stream.Writable.call(this, {});
+}
+util.inherits(Verifier, stream.Writable);
+
+Verifier.prototype._write = function (chunk, enc, cb) {
+	this.chunks.push(chunk);
+	cb();
+};
+
+Verifier.prototype.update = function (chunk) {
+	if (typeof (chunk) === 'string')
+		chunk = Buffer.from(chunk, 'binary');
+	this.chunks.push(chunk);
+};
+
+Verifier.prototype.verify = function (signature, fmt) {
+	var sig;
+	if (Signature.isSignature(signature, [2, 0])) {
+		if (signature.type !== 'ed25519')
+			return (false);
+		sig = signature.toBuffer('raw');
+
+	} else if (typeof (signature) === 'string') {
+		sig = Buffer.from(signature, 'base64');
+
+	} else if (Signature.isSignature(signature, [1, 0])) {
+		throw (new Error('signature was created by too old ' +
+		    'a version of sshpk and cannot be verified'));
+	}
+
+	assert.buffer(sig);
+	return (nacl.sign.detached.verify(
+	    new Uint8Array(Buffer.concat(this.chunks)),
+	    new Uint8Array(sig),
+	    new Uint8Array(this.key.part.A.data)));
+};
+
+function Signer(key, hashAlgo) {
+	if (hashAlgo.toLowerCase() !== 'sha512')
+		throw (new Error('ED25519 only supports the use of ' +
+		    'SHA-512 hashes'));
+
+	this.key = key;
+	this.chunks = [];
+
+	stream.Writable.call(this, {});
+}
+util.inherits(Signer, stream.Writable);
+
+Signer.prototype._write = function (chunk, enc, cb) {
+	this.chunks.push(chunk);
+	cb();
+};
+
+Signer.prototype.update = function (chunk) {
+	if (typeof (chunk) === 'string')
+		chunk = Buffer.from(chunk, 'binary');
+	this.chunks.push(chunk);
+};
+
+Signer.prototype.sign = function () {
+	var sig = nacl.sign.detached(
+	    new Uint8Array(Buffer.concat(this.chunks)),
+	    new Uint8Array(Buffer.concat([
+		this.key.part.k.data, this.key.part.A.data])));
+	var sigBuf = Buffer.from(sig);
+	var sigObj = Signature.parse(sigBuf, 'ed25519', 'raw');
+	sigObj.hashAlgorithm = 'sha512';
+	return (sigObj);
+};
diff --git a/node_modules/sshpk/lib/errors.js b/node_modules/sshpk/lib/errors.js
new file mode 100644
index 000000000..1cc09ec71
--- /dev/null
+++ b/node_modules/sshpk/lib/errors.js
@@ -0,0 +1,84 @@
+// Copyright 2015 Joyent, Inc.
+
+var assert = require('assert-plus');
+var util = require('util');
+
+function FingerprintFormatError(fp, format) {
+	if (Error.captureStackTrace)
+		Error.captureStackTrace(this, FingerprintFormatError);
+	this.name = 'FingerprintFormatError';
+	this.fingerprint = fp;
+	this.format = format;
+	this.message = 'Fingerprint format is not supported, or is invalid: ';
+	if (fp !== undefined)
+		this.message += ' fingerprint = ' + fp;
+	if (format !== undefined)
+		this.message += ' format = ' + format;
+}
+util.inherits(FingerprintFormatError, Error);
+
+function InvalidAlgorithmError(alg) {
+	if (Error.captureStackTrace)
+		Error.captureStackTrace(this, InvalidAlgorithmError);
+	this.name = 'InvalidAlgorithmError';
+	this.algorithm = alg;
+	this.message = 'Algorithm "' + alg + '" is not supported';
+}
+util.inherits(InvalidAlgorithmError, Error);
+
+function KeyParseError(name, format, innerErr) {
+	if (Error.captureStackTrace)
+		Error.captureStackTrace(this, KeyParseError);
+	this.name = 'KeyParseError';
+	this.format = format;
+	this.keyName = name;
+	this.innerErr = innerErr;
+	this.message = 'Failed to parse ' + name + ' as a valid ' + format +
+	    ' format key: ' + innerErr.message;
+}
+util.inherits(KeyParseError, Error);
+
+function SignatureParseError(type, format, innerErr) {
+	if (Error.captureStackTrace)
+		Error.captureStackTrace(this, SignatureParseError);
+	this.name = 'SignatureParseError';
+	this.type = type;
+	this.format = format;
+	this.innerErr = innerErr;
+	this.message = 'Failed to parse the given data as a ' + type +
+	    ' signature in ' + format + ' format: ' + innerErr.message;
+}
+util.inherits(SignatureParseError, Error);
+
+function CertificateParseError(name, format, innerErr) {
+	if (Error.captureStackTrace)
+		Error.captureStackTrace(this, CertificateParseError);
+	this.name = 'CertificateParseError';
+	this.format = format;
+	this.certName = name;
+	this.innerErr = innerErr;
+	this.message = 'Failed to parse ' + name + ' as a valid ' + format +
+	    ' format certificate: ' + innerErr.message;
+}
+util.inherits(CertificateParseError, Error);
+
+function KeyEncryptedError(name, format) {
+	if (Error.captureStackTrace)
+		Error.captureStackTrace(this, KeyEncryptedError);
+	this.name = 'KeyEncryptedError';
+	this.format = format;
+	this.keyName = name;
+	this.message = 'The ' + format + ' format key ' + name + ' is ' +
+	    'encrypted (password-protected), and no passphrase was ' +
+	    'provided in `options`';
+}
+util.inherits(KeyEncryptedError, Error);
+
+module.exports = {
+	FingerprintFormatError: FingerprintFormatError,
+	InvalidAlgorithmError: InvalidAlgorithmError,
+	KeyParseError: KeyParseError,
+	SignatureParseError: SignatureParseError,
+	KeyEncryptedError: KeyEncryptedError,
+	CertificateParseError: CertificateParseError
+};
diff --git a/node_modules/sshpk/lib/fingerprint.js b/node_modules/sshpk/lib/fingerprint.js
new file mode 100644
index 000000000..0004b376e
--- /dev/null
+++ b/node_modules/sshpk/lib/fingerprint.js
@@ -0,0 +1,220 @@
+// Copyright 2018 Joyent, Inc.
+
+module.exports = Fingerprint;
+
+var assert = require('assert-plus');
+var Buffer = require('safer-buffer').Buffer;
+var algs = require('./algs');
+var crypto = require('crypto');
+var errs = require('./errors');
+var Key = require('./key');
+var PrivateKey = require('./private-key');
+var Certificate = require('./certificate');
+var utils = require('./utils');
+
+var FingerprintFormatError = errs.FingerprintFormatError;
+var InvalidAlgorithmError = errs.InvalidAlgorithmError;
+
+function Fingerprint(opts) {
+	assert.object(opts, 'options');
+	assert.string(opts.type, 'options.type');
+	assert.buffer(opts.hash, 'options.hash');
+	assert.string(opts.algorithm, 'options.algorithm');
+
+	this.algorithm = opts.algorithm.toLowerCase();
+	if (algs.hashAlgs[this.algorithm] !== true)
+		throw (new InvalidAlgorithmError(this.algorithm));
+
+	this.hash = opts.hash;
+	this.type = opts.type;
+	this.hashType = opts.hashType;
+}
+
+Fingerprint.prototype.toString = function (format) {
+	if (format === undefined) {
+		if (this.algorithm === 'md5' || this.hashType === 'spki')
+			format = 'hex';
+		else
+			format = 'base64';
+	}
+	assert.string(format);
+
+	switch (format) {
+	case 'hex':
+		if (this.hashType === 'spki')
+			return (this.hash.toString('hex'));
+		return (addColons(this.hash.toString('hex')));
+	case 'base64':
+		if (this.hashType === 'spki')
+			return (this.hash.toString('base64'));
+		return (sshBase64Format(this.algorithm,
+		    this.hash.toString('base64')));
+	default:
+		throw (new FingerprintFormatError(undefined, format));
+	}
+};
+
+Fingerprint.prototype.matches = function (other) {
+	assert.object(other, 'key or certificate');
+	if (this.type === 'key' && this.hashType !== 'ssh') {
+		utils.assertCompatible(other, Key, [1, 7], 'key with spki');
+		if (PrivateKey.isPrivateKey(other)) {
+			utils.assertCompatible(other, PrivateKey, [1, 6],
+			    'privatekey with spki support');
+		}
+	} else if (this.type === 'key') {
+		utils.assertCompatible(other, Key, [1, 0], 'key');
+	} else {
+		utils.assertCompatible(other, Certificate, [1, 0],
+		    'certificate');
+	}
+
+	var theirHash = other.hash(this.algorithm, this.hashType);
+	var theirHash2 = crypto.createHash(this.algorithm).
+	    update(theirHash).digest('base64');
+
+	if (this.hash2 === undefined)
+		this.hash2 = crypto.createHash(this.algorithm).
+		    update(this.hash).digest('base64');
+
+	return (this.hash2 === theirHash2);
+};
+
+/*JSSTYLED*/
+var base64RE = /^[A-Za-z0-9+\/=]+$/;
+/*JSSTYLED*/
+var hexRE = /^[a-fA-F0-9]+$/;
+
+Fingerprint.parse = function (fp, options) {
+	assert.string(fp, 'fingerprint');
+
+	var alg, hash, enAlgs;
+	if (Array.isArray(options)) {
+		enAlgs = options;
+		options = {};
+	}
+	assert.optionalObject(options, 'options');
+	if (options === undefined)
+		options = {};
+	if (options.enAlgs !== undefined)
+		enAlgs = options.enAlgs;
+	if (options.algorithms !== undefined)
+		enAlgs = options.algorithms;
+	assert.optionalArrayOfString(enAlgs, 'algorithms');
+
+	var hashType = 'ssh';
+	if (options.hashType !== undefined)
+		hashType = options.hashType;
+	assert.string(hashType, 'options.hashType');
+
+	var parts = fp.split(':');
+	if (parts.length == 2) {
+		alg = parts[0].toLowerCase();
+		if (!base64RE.test(parts[1]))
+			throw (new FingerprintFormatError(fp));
+		try {
+			hash = Buffer.from(parts[1], 'base64');
+		} catch (e) {
+			throw (new FingerprintFormatError(fp));
+		}
+	} else if (parts.length > 2) {
+		alg = 'md5';
+		if (parts[0].toLowerCase() === 'md5')
+			parts = parts.slice(1);
+		parts = parts.map(function (p) {
+			while (p.length < 2)
+				p = '0' + p;
+			if (p.length > 2)
+				throw (new FingerprintFormatError(fp));
+			return (p);
+		});
+		parts = parts.join('');
+		if (!hexRE.test(parts) || parts.length % 2 !== 0)
+			throw (new FingerprintFormatError(fp));
+		try {
+			hash = Buffer.from(parts, 'hex');
+		} catch (e) {
+			throw (new FingerprintFormatError(fp));
+		}
+	} else {
+		if (hexRE.test(fp)) {
+			hash = Buffer.from(fp, 'hex');
+		} else if (base64RE.test(fp)) {
+			hash = Buffer.from(fp, 'base64');
+		} else {
+			throw (new FingerprintFormatError(fp));
+		}
+
+		switch (hash.length) {
+		case 32:
+			alg = 'sha256';
+			break;
+		case 16:
+			alg = 'md5';
+			break;
+		case 20:
+			alg = 'sha1';
+			break;
+		case 64:
+			alg = 'sha512';
+			break;
+		default:
+			throw (new FingerprintFormatError(fp));
+		}
+
+		/* Plain hex/base64: guess it's probably SPKI unless told. */
+		if (options.hashType === undefined)
+			hashType = 'spki';
+	}
+
+	if (alg === undefined)
+		throw (new FingerprintFormatError(fp));
+
+	if (algs.hashAlgs[alg] === undefined)
+		throw (new InvalidAlgorithmError(alg));
+
+	if (enAlgs !== undefined) {
+		enAlgs = enAlgs.map(function (a) { return a.toLowerCase(); });
+		if (enAlgs.indexOf(alg) === -1)
+			throw (new InvalidAlgorithmError(alg));
+	}
+
+	return (new Fingerprint({
+		algorithm: alg,
+		hash: hash,
+		type: options.type || 'key',
+		hashType: hashType
+	}));
+};
+
+function addColons(s) {
+	/*JSSTYLED*/
+	return (s.replace(/(.{2})(?=.)/g, '$1:'));
+}
+
+function base64Strip(s) {
+	/*JSSTYLED*/
+	return (s.replace(/=*$/, ''));
+}
+
+function sshBase64Format(alg, h) {
+	return (alg.toUpperCase() + ':' + base64Strip(h));
+}
+
+Fingerprint.isFingerprint = function (obj, ver) {
+	return (utils.isCompatible(obj, Fingerprint, ver));
+};
+
+/*
+ * API versions for Fingerprint:
+ * [1,0] -- initial ver
+ * [1,1] -- first tagged ver
+ * [1,2] -- hashType and spki support
+ */
+Fingerprint.prototype._sshpkApiVersion = [1, 2];
+
+Fingerprint._oldVersionDetect = function (obj) {
+	assert.func(obj.toString);
+	assert.func(obj.matches);
+	return ([1, 0]);
+};
diff --git a/node_modules/sshpk/lib/formats/auto.js b/node_modules/sshpk/lib/formats/auto.js
new file mode 100644
index 000000000..f32cd9648
--- /dev/null
+++ b/node_modules/sshpk/lib/formats/auto.js
@@ -0,0 +1,124 @@
+// Copyright 2018 Joyent, Inc.
+
+module.exports = {
+	read: read,
+	write: write
+};
+
+var assert = require('assert-plus');
+var Buffer = require('safer-buffer').Buffer;
+var utils = require('../utils');
+var Key = require('../key');
+var PrivateKey = require('../private-key');
+
+var pem = require('./pem');
+var ssh = require('./ssh');
+var rfc4253 = require('./rfc4253');
+var dnssec = require('./dnssec');
+var putty = require('./putty');
+
+var DNSSEC_PRIVKEY_HEADER_PREFIX = 'Private-key-format: v1';
+
+function read(buf, options) {
+	if (typeof (buf) === 'string') {
+		if (buf.trim().match(/^[-]+[ ]*BEGIN/))
+			return (pem.read(buf, options));
+		if (buf.match(/^\s*ssh-[a-z]/))
+			return (ssh.read(buf, options));
+		if (buf.match(/^\s*ecdsa-/))
+			return (ssh.read(buf, options));
+		if (buf.match(/^putty-user-key-file-2:/i))
+			return (putty.read(buf, options));
+		if (findDNSSECHeader(buf))
+			return (dnssec.read(buf, options));
+		buf = Buffer.from(buf, 'binary');
+	} else {
+		assert.buffer(buf);
+		if (findPEMHeader(buf))
+			return (pem.read(buf, options));
+		if (findSSHHeader(buf))
+			return (ssh.read(buf, options));
+		if (findPuTTYHeader(buf))
+			return (putty.read(buf, options));
+		if (findDNSSECHeader(buf))
+			return (dnssec.read(buf, options));
+	}
+	if (buf.readUInt32BE(0) < buf.length)
+		return (rfc4253.read(buf, options));
+	throw (new Error('Failed to auto-detect format of key'));
+}
+
+function findPuTTYHeader(buf) {
+	var offset = 0;
+	while (offset < buf.length &&
+	    (buf[offset] === 32 || buf[offset] === 10 || buf[offset] === 9))
+		++offset;
+	if (offset + 22 <= buf.length &&
+	    buf.slice(offset, offset + 22).toString('ascii').toLowerCase() ===
+	    'putty-user-key-file-2:')
+		return (true);
+	return (false);
+}
+
+function findSSHHeader(buf) {
+	var offset = 0;
+	while (offset < buf.length &&
+	    (buf[offset] === 32 || buf[offset] === 10 || buf[offset] === 9))
+		++offset;
+	if (offset + 4 <= buf.length &&
+	    buf.slice(offset, offset + 4).toString('ascii') === 'ssh-')
+		return (true);
+	if (offset + 6 <= buf.length &&
+	    buf.slice(offset, offset + 6).toString('ascii') === 'ecdsa-')
+		return (true);
+	return (false);
+}
+
+function findPEMHeader(buf) {
+	var offset = 0;
+	while (offset < buf.length &&
+	    (buf[offset] === 32 || buf[offset] === 10))
+		++offset;
+	if (buf[offset] !== 45)
+		return (false);
+	while (offset < buf.length &&
+	    (buf[offset] === 45))
+		++offset;
+	while (offset < buf.length &&
+	    (buf[offset] === 32))
+		++offset;
+	if (offset + 5 > buf.length ||
+	    buf.slice(offset, offset + 5).toString('ascii') !== 'BEGIN')
+		return (false);
+	return (true);
+}
+
+function findDNSSECHeader(buf) {
+	// private case first
+	if (buf.length <= DNSSEC_PRIVKEY_HEADER_PREFIX.length)
+		return (false);
+	var headerCheck = buf.slice(0, DNSSEC_PRIVKEY_HEADER_PREFIX.length);
+	if (headerCheck.toString('ascii') === DNSSEC_PRIVKEY_HEADER_PREFIX)
+		return (true);
+
+	// public-key RFC3110 ?
+	// 'domain.com. IN KEY ...' or 'domain.com. IN DNSKEY ...'
+	// skip any comment-lines
+	if (typeof (buf) !== 'string') {
+		buf = buf.toString('ascii');
+	}
+	var lines = buf.split('\n');
+	var line = 0;
+	/* JSSTYLED */
+	while (lines[line].match(/^\;/))
+		line++;
+	if (lines[line].toString('ascii').match(/\. IN KEY /))
+		return (true);
+	if (lines[line].toString('ascii').match(/\. IN DNSKEY /))
+		return (true);
+	return (false);
+}
+
+function write(key, options) {
+	throw (new Error('"auto" format cannot be used for writing'));
+}
diff --git a/node_modules/sshpk/lib/formats/dnssec.js b/node_modules/sshpk/lib/formats/dnssec.js
new file mode 100644
index 000000000..a74ea9ce0
--- /dev/null
+++ b/node_modules/sshpk/lib/formats/dnssec.js
@@ -0,0 +1,287 @@
+// Copyright 2017 Joyent, Inc.
+
+module.exports = {
+	read: read,
+	write: write
+};
+
+var assert = require('assert-plus');
+var Buffer = require('safer-buffer').Buffer;
+var Key = require('../key');
+var PrivateKey = require('../private-key');
+var utils = require('../utils');
+var SSHBuffer = require('../ssh-buffer');
+var Dhe = require('../dhe');
+
+var supportedAlgos = {
+	'rsa-sha1' : 5,
+	'rsa-sha256' : 8,
+	'rsa-sha512' : 10,
+	'ecdsa-p256-sha256' : 13,
+	'ecdsa-p384-sha384' : 14
+	/*
+	 * ed25519 is hypothetically supported with id 15
+	 * but the common tools available don't appear to be
+	 * capable of generating/using ed25519 keys
+	 */
+};
+
+var supportedAlgosById = {};
+Object.keys(supportedAlgos).forEach(function (k) {
+	supportedAlgosById[supportedAlgos[k]] = k.toUpperCase();
+});
+
+function read(buf, options) {
+	if (typeof (buf) !== 'string') {
+		assert.buffer(buf, 'buf');
+		buf = buf.toString('ascii');
+	}
+	var lines = buf.split('\n');
+	if (lines[0].match(/^Private-key-format\: v1/)) {
+		var algElems = lines[1].split(' ');
+		var algoNum = parseInt(algElems[1], 10);
+		var algoName = algElems[2];
+		if (!supportedAlgosById[algoNum])
+			throw (new Error('Unsupported algorithm: ' + algoName));
+		return (readDNSSECPrivateKey(algoNum, lines.slice(2)));
+	}
+
+	// skip any comment-lines
+	var line = 0;
+	/* JSSTYLED */
+	while (lines[line].match(/^\;/))
+		line++;
+	// we should now have *one single* line left with our KEY on it.
+	if ((lines[line].match(/\. IN KEY /) ||
+	    lines[line].match(/\. IN DNSKEY /)) && lines[line+1].length === 0) {
+		return (readRFC3110(lines[line]));
+	}
+	throw (new Error('Cannot parse dnssec key'));
+}
+
+function readRFC3110(keyString) {
+	var elems = keyString.split(' ');
+	//unused var flags = parseInt(elems[3], 10);
+	//unused var protocol = parseInt(elems[4], 10);
+	var algorithm = parseInt(elems[5], 10);
+	if (!supportedAlgosById[algorithm])
+		throw (new Error('Unsupported algorithm: ' + algorithm));
+	var base64key = elems.slice(6, elems.length).join();
+	var keyBuffer = Buffer.from(base64key, 'base64');
+	if (supportedAlgosById[algorithm].match(/^RSA-/)) {
+		// join the rest of the body into a single base64-blob
+		var publicExponentLen = keyBuffer.readUInt8(0);
+		if (publicExponentLen != 3 && publicExponentLen != 1)
+			throw (new Error('Cannot parse dnssec key: ' +
+			    'unsupported exponent length'));
+
+		var publicExponent = keyBuffer.slice(1, publicExponentLen+1);
+		publicExponent = utils.mpNormalize(publicExponent);
+		var modulus = keyBuffer.slice(1+publicExponentLen);
+		modulus = utils.mpNormalize(modulus);
+		// now, make the key
+		var rsaKey = {
+			type: 'rsa',
+			parts: []
+		};
+		rsaKey.parts.push({ name: 'e', data: publicExponent});
+		rsaKey.parts.push({ name: 'n', data: modulus});
+		return (new Key(rsaKey));
+	}
+	if (supportedAlgosById[algorithm] === 'ECDSA-P384-SHA384' ||
+	    supportedAlgosById[algorithm] === 'ECDSA-P256-SHA256') {
+		var curve = 'nistp384';
+		var size = 384;
+		if (supportedAlgosById[algorithm].match(/^ECDSA-P256-SHA256/)) {
+			curve = 'nistp256';
+			size = 256;
+		}
+
+		var ecdsaKey = {
+			type: 'ecdsa',
+			curve: curve,
+			size: size,
+			parts: [
+				{name: 'curve', data: Buffer.from(curve) },
+				{name: 'Q', data: utils.ecNormalize(keyBuffer) }
+			]
+		};
+		return (new Key(ecdsaKey));
+	}
+	throw (new Error('Unsupported algorithm: ' +
+	    supportedAlgosById[algorithm]));
+}
+
+function elementToBuf(e) {
+	return (Buffer.from(e.split(' ')[1], 'base64'));
+}
+
+function readDNSSECRSAPrivateKey(elements) {
+	var rsaParams = {};
+	elements.forEach(function (element) {
+		if (element.split(' ')[0] === 'Modulus:')
+			rsaParams['n'] = elementToBuf(element);
+		else if (element.split(' ')[0] === 'PublicExponent:')
+			rsaParams['e'] = elementToBuf(element);
+		else if (element.split(' ')[0] === 'PrivateExponent:')
+			rsaParams['d'] = elementToBuf(element);
+		else if (element.split(' ')[0] === 'Prime1:')
+			rsaParams['p'] = elementToBuf(element);
+		else if (element.split(' ')[0] === 'Prime2:')
+			rsaParams['q'] = elementToBuf(element);
+		else if (element.split(' ')[0] === 'Exponent1:')
+			rsaParams['dmodp'] = elementToBuf(element);
+		else if (element.split(' ')[0] === 'Exponent2:')
+			rsaParams['dmodq'] = elementToBuf(element);
+		else if (element.split(' ')[0] === 'Coefficient:')
+			rsaParams['iqmp'] = elementToBuf(element);
+	});
+	// now, make the key
+	var key = {
+		type: 'rsa',
+		parts: [
+			{ name: 'e', data: utils.mpNormalize(rsaParams['e'])},
+			{ name: 'n', data: utils.mpNormalize(rsaParams['n'])},
+			{ name: 'd', data: utils.mpNormalize(rsaParams['d'])},
+			{ name: 'p', data: utils.mpNormalize(rsaParams['p'])},
+			{ name: 'q', data: utils.mpNormalize(rsaParams['q'])},
+			{ name: 'dmodp',
+			    data: utils.mpNormalize(rsaParams['dmodp'])},
+			{ name: 'dmodq',
+			    data: utils.mpNormalize(rsaParams['dmodq'])},
+			{ name: 'iqmp',
+			    data: utils.mpNormalize(rsaParams['iqmp'])}
+		]
+	};
+	return (new PrivateKey(key));
+}
+
+function readDNSSECPrivateKey(alg, elements) {
+	if (supportedAlgosById[alg].match(/^RSA-/)) {
+		return (readDNSSECRSAPrivateKey(elements));
+	}
+	if (supportedAlgosById[alg] === 'ECDSA-P384-SHA384' ||
+	    supportedAlgosById[alg] === 'ECDSA-P256-SHA256') {
+		var d = Buffer.from(elements[0].split(' ')[1], 'base64');
+		var curve = 'nistp384';
+		var size = 384;
+		if (supportedAlgosById[alg] === 'ECDSA-P256-SHA256') {
+			curve = 'nistp256';
+			size = 256;
+		}
+		// DNSSEC generates the public-key on the fly (go calculate it)
+		var publicKey = utils.publicFromPrivateECDSA(curve, d);
+		var Q = publicKey.part['Q'].data;
+		var ecdsaKey = {
+			type: 'ecdsa',
+			curve: curve,
+			size: size,
+			parts: [
+				{name: 'curve', data: Buffer.from(curve) },
+				{name: 'd', data: d },
+				{name: 'Q', data: Q }
+			]
+		};
+		return (new PrivateKey(ecdsaKey));
+	}
+	throw (new Error('Unsupported algorithm: ' + supportedAlgosById[alg]));
+}
+
+function dnssecTimestamp(date) {
+	var year = date.getFullYear() + ''; //stringify
+	var month = (date.getMonth() + 1);
+	var timestampStr = year + month + date.getUTCDate();
+	timestampStr += '' + date.getUTCHours() + date.getUTCMinutes();
+	timestampStr += date.getUTCSeconds();
+	return (timestampStr);
+}
+
+function rsaAlgFromOptions(opts) {
+	if (!opts || !opts.hashAlgo || opts.hashAlgo === 'sha1')
+		return ('5 (RSASHA1)');
+	else if (opts.hashAlgo === 'sha256')
+		return ('8 (RSASHA256)');
+	else if (opts.hashAlgo === 'sha512')
+		return ('10 (RSASHA512)');
+	else
+		throw (new Error('Unknown or unsupported hash: ' +
+		    opts.hashAlgo));
+}
+
+function writeRSA(key, options) {
+	// if we're missing parts, add them.
+	if (!key.part.dmodp || !key.part.dmodq) {
+		utils.addRSAMissing(key);
+	}
+
+	var out = '';
+	out += 'Private-key-format: v1.3\n';
+	out += 'Algorithm: ' + rsaAlgFromOptions(options) + '\n';
+	var n = utils.mpDenormalize(key.part['n'].data);
+	out += 'Modulus: ' + n.toString('base64') + '\n';
+	var e = utils.mpDenormalize(key.part['e'].data);
+	out += 'PublicExponent: ' + e.toString('base64') + '\n';
+	var d = utils.mpDenormalize(key.part['d'].data);
+	out += 'PrivateExponent: ' + d.toString('base64') + '\n';
+	var p = utils.mpDenormalize(key.part['p'].data);
+	out += 'Prime1: ' + p.toString('base64') + '\n';
+	var q = utils.mpDenormalize(key.part['q'].data);
+	out += 'Prime2: ' + q.toString('base64') + '\n';
+	var dmodp = utils.mpDenormalize(key.part['dmodp'].data);
+	out += 'Exponent1: ' + dmodp.toString('base64') + '\n';
+	var dmodq = utils.mpDenormalize(key.part['dmodq'].data);
+	out += 'Exponent2: ' + dmodq.toString('base64') + '\n';
+	var iqmp = utils.mpDenormalize(key.part['iqmp'].data);
+	out += 'Coefficient: ' + iqmp.toString('base64') + '\n';
+	// Assume that we're valid as-of now
+	var timestamp = new Date();
+	out += 'Created: ' + dnssecTimestamp(timestamp) + '\n';
+	out += 'Publish: ' + dnssecTimestamp(timestamp) + '\n';
+	out += 'Activate: ' + dnssecTimestamp(timestamp) + '\n';
+	return (Buffer.from(out, 'ascii'));
+}
+
+function writeECDSA(key, options) {
+	var out = '';
+	out += 'Private-key-format: v1.3\n';
+
+	if (key.curve === 'nistp256') {
+		out += 'Algorithm: 13 (ECDSAP256SHA256)\n';
+	} else if (key.curve === 'nistp384') {
+		out += 'Algorithm: 14 (ECDSAP384SHA384)\n';
+	} else {
+		throw (new Error('Unsupported curve'));
+	}
+	var base64Key = key.part['d'].data.toString('base64');
+	out += 'PrivateKey: ' + base64Key + '\n';
+
+	// Assume that we're valid as-of now
+	var timestamp = new Date();
+	out += 'Created: ' + dnssecTimestamp(timestamp) + '\n';
+	out += 'Publish: ' + dnssecTimestamp(timestamp) + '\n';
+	out += 'Activate: ' + dnssecTimestamp(timestamp) + '\n';
+
+	return (Buffer.from(out, 'ascii'));
+}
+
+function write(key, options) {
+	if (PrivateKey.isPrivateKey(key)) {
+		if (key.type === 'rsa') {
+			return (writeRSA(key, options));
+		} else if (key.type === 'ecdsa') {
+			return (writeECDSA(key, options));
+		} else {
+			throw (new Error('Unsupported algorithm: ' + key.type));
+		}
+	} else if (Key.isKey(key)) {
+		/*
+		 * RFC3110 requires a keyname, and a keytype, which we
+		 * don't really have a mechanism for specifying such
+		 * additional metadata.
+		 */
+		throw (new Error('Format "dnssec" only supports ' +
+		    'writing private keys'));
+	} else {
+		throw (new Error('key is not a Key or PrivateKey'));
+	}
+}
diff --git a/node_modules/sshpk/lib/formats/openssh-cert.js b/node_modules/sshpk/lib/formats/openssh-cert.js
new file mode 100644
index 000000000..766f3d39c
--- /dev/null
+++ b/node_modules/sshpk/lib/formats/openssh-cert.js
@@ -0,0 +1,352 @@
+// Copyright 2017 Joyent, Inc.
+
+module.exports = {
+	read: read,
+	verify: verify,
+	sign: sign,
+	signAsync: signAsync,
+	write: write,
+
+	/* Internal private API */
+	fromBuffer: fromBuffer,
+	toBuffer: toBuffer
+};
+
+var assert = require('assert-plus');
+var SSHBuffer = require('../ssh-buffer');
+var crypto = require('crypto');
+var Buffer = require('safer-buffer').Buffer;
+var algs = require('../algs');
+var Key = require('../key');
+var PrivateKey = require('../private-key');
+var Identity = require('../identity');
+var rfc4253 = require('./rfc4253');
+var Signature = require('../signature');
+var utils = require('../utils');
+var Certificate = require('../certificate');
+
+function verify(cert, key) {
+	/*
+	 * We always give an issuerKey, so if our verify() is being called then
+	 * there was no signature. Return false.
+	 */
+	return (false);
+}
+
+var TYPES = {
+	'user': 1,
+	'host': 2
+};
+Object.keys(TYPES).forEach(function (k) { TYPES[TYPES[k]] = k; });
+
+var ECDSA_ALGO = /^ecdsa-sha2-([^@-]+)-cert-v01@openssh.com$/;
+
+function read(buf, options) {
+	if (Buffer.isBuffer(buf))
+		buf = buf.toString('ascii');
+	var parts = buf.trim().split(/[ \t\n]+/g);
+	if (parts.length < 2 || parts.length > 3)
+		throw (new Error('Not a valid SSH certificate line'));
+
+	var algo = parts[0];
+	var data = parts[1];
+
+	data = Buffer.from(data, 'base64');
+	return (fromBuffer(data, algo));
+}
+
+function fromBuffer(data, algo, partial) {
+	var sshbuf = new SSHBuffer({ buffer: data });
+	var innerAlgo = sshbuf.readString();
+	if (algo !== undefined && innerAlgo !== algo)
+		throw (new Error('SSH certificate algorithm mismatch'));
+	if (algo === undefined)
+		algo = innerAlgo;
+
+	var cert = {};
+	cert.signatures = {};
+	cert.signatures.openssh = {};
+
+	cert.signatures.openssh.nonce = sshbuf.readBuffer();
+
+	var key = {};
+	var parts = (key.parts = []);
+	key.type = getAlg(algo);
+
+	var partCount = algs.info[key.type].parts.length;
+	while (parts.length < partCount)
+		parts.push(sshbuf.readPart());
+	assert.ok(parts.length >= 1, 'key must have at least one part');
+
+	var algInfo = algs.info[key.type];
+	if (key.type === 'ecdsa') {
+		var res = ECDSA_ALGO.exec(algo);
+		assert.ok(res !== null);
+		assert.strictEqual(res[1], parts[0].data.toString());
+	}
+
+	for (var i = 0; i < algInfo.parts.length; ++i) {
+		parts[i].name = algInfo.parts[i];
+		if (parts[i].name !== 'curve' &&
+		    algInfo.normalize !== false) {
+			var p = parts[i];
+			p.data = utils.mpNormalize(p.data);
+		}
+	}
+
+	cert.subjectKey = new Key(key);
+
+	cert.serial = sshbuf.readInt64();
+
+	var type = TYPES[sshbuf.readInt()];
+	assert.string(type, 'valid cert type');
+
+	cert.signatures.openssh.keyId = sshbuf.readString();
+
+	var principals = [];
+	var pbuf = sshbuf.readBuffer();
+	var psshbuf = new SSHBuffer({ buffer: pbuf });
+	while (!psshbuf.atEnd())
+		principals.push(psshbuf.readString());
+	if (principals.length === 0)
+		principals = ['*'];
+
+	cert.subjects = principals.map(function (pr) {
+		if (type === 'user')
+			return (Identity.forUser(pr));
+		else if (type === 'host')
+			return (Identity.forHost(pr));
+		throw (new Error('Unknown identity type ' + type));
+	});
+
+	cert.validFrom = int64ToDate(sshbuf.readInt64());
+	cert.validUntil = int64ToDate(sshbuf.readInt64());
+
+	var exts = [];
+	var extbuf = new SSHBuffer({ buffer: sshbuf.readBuffer() });
+	var ext;
+	while (!extbuf.atEnd()) {
+		ext = { critical: true };
+		ext.name = extbuf.readString();
+		ext.data = extbuf.readBuffer();
+		exts.push(ext);
+	}
+	extbuf = new SSHBuffer({ buffer: sshbuf.readBuffer() });
+	while (!extbuf.atEnd()) {
+		ext = { critical: false };
+		ext.name = extbuf.readString();
+		ext.data = extbuf.readBuffer();
+		exts.push(ext);
+	}
+	cert.signatures.openssh.exts = exts;
+
+	/* reserved */
+	sshbuf.readBuffer();
+
+	var signingKeyBuf = sshbuf.readBuffer();
+	cert.issuerKey = rfc4253.read(signingKeyBuf);
+
+	/*
+	 * OpenSSH certs don't give the identity of the issuer, just their
+	 * public key. So, we use an Identity that matches anything. The
+	 * isSignedBy() function will later tell you if the key matches.
+	 */
+	cert.issuer = Identity.forHost('**');
+
+	var sigBuf = sshbuf.readBuffer();
+	cert.signatures.openssh.signature =
+	    Signature.parse(sigBuf, cert.issuerKey.type, 'ssh');
+
+	if (partial !== undefined) {
+		partial.remainder = sshbuf.remainder();
+		partial.consumed = sshbuf._offset;
+	}
+
+	return (new Certificate(cert));
+}
+
+function int64ToDate(buf) {
+	var i = buf.readUInt32BE(0) * 4294967296;
+	i += buf.readUInt32BE(4);
+	var d = new Date();
+	d.setTime(i * 1000);
+	d.sourceInt64 = buf;
+	return (d);
+}
+
+function dateToInt64(date) {
+	if (date.sourceInt64 !== undefined)
+		return (date.sourceInt64);
+	var i = Math.round(date.getTime() / 1000);
+	var upper = Math.floor(i / 4294967296);
+	var lower = Math.floor(i % 4294967296);
+	var buf = Buffer.alloc(8);
+	buf.writeUInt32BE(upper, 0);
+	buf.writeUInt32BE(lower, 4);
+	return (buf);
+}
+
+function sign(cert, key) {
+	if (cert.signatures.openssh === undefined)
+		cert.signatures.openssh = {};
+	try {
+		var blob = toBuffer(cert, true);
+	} catch (e) {
+		delete (cert.signatures.openssh);
+		return (false);
+	}
+	var sig = cert.signatures.openssh;
+	var hashAlgo = undefined;
+	if (key.type === 'rsa' || key.type === 'dsa')
+		hashAlgo = 'sha1';
+	var signer = key.createSign(hashAlgo);
+	signer.write(blob);
+	sig.signature = signer.sign();
+	return (true);
+}
+
+function signAsync(cert, signer, done) {
+	if (cert.signatures.openssh === undefined)
+		cert.signatures.openssh = {};
+	try {
+		var blob = toBuffer(cert, true);
+	} catch (e) {
+		delete (cert.signatures.openssh);
+		done(e);
+		return;
+	}
+	var sig = cert.signatures.openssh;
+
+	signer(blob, function (err, signature) {
+		if (err) {
+			done(err);
+			return;
+		}
+		try {
+			/*
+			 * This will throw if the signature isn't of a
+			 * type/algo that can be used for SSH.
+			 */
+			signature.toBuffer('ssh');
+		} catch (e) {
+			done(e);
+			return;
+		}
+		sig.signature = signature;
+		done();
+	});
+}
+
+function write(cert, options) {
+	if (options === undefined)
+		options = {};
+
+	var blob = toBuffer(cert);
+	var out = getCertType(cert.subjectKey) + ' ' + blob.toString('base64');
+	if (options.comment)
+		out = out + ' ' + options.comment;
+	return (out);
+}
+
+
+function toBuffer(cert, noSig) {
+	assert.object(cert.signatures.openssh, 'signature for openssh format');
+	var sig = cert.signatures.openssh;
+
+	if (sig.nonce === undefined)
+		sig.nonce = crypto.randomBytes(16);
+	var buf = new SSHBuffer({});
+	buf.writeString(getCertType(cert.subjectKey));
+	buf.writeBuffer(sig.nonce);
+
+	var key = cert.subjectKey;
+	var algInfo = algs.info[key.type];
+	algInfo.parts.forEach(function (part) {
+		buf.writePart(key.part[part]);
+	});
+
+	buf.writeInt64(cert.serial);
+
+	var type = cert.subjects[0].type;
+	assert.notStrictEqual(type, 'unknown');
+	cert.subjects.forEach(function (id) {
+		assert.strictEqual(id.type, type);
+	});
+	type = TYPES[type];
+	buf.writeInt(type);
+
+	if (sig.keyId === undefined) {
+		sig.keyId = cert.subjects[0].type + '_' +
+		    (cert.subjects[0].uid || cert.subjects[0].hostname);
+	}
+	buf.writeString(sig.keyId);
+
+	var sub = new SSHBuffer({});
+	cert.subjects.forEach(function (id) {
+		if (type === TYPES.host)
+			sub.writeString(id.hostname);
+		else if (type === TYPES.user)
+			sub.writeString(id.uid);
+	});
+	buf.writeBuffer(sub.toBuffer());
+
+	buf.writeInt64(dateToInt64(cert.validFrom));
+	buf.writeInt64(dateToInt64(cert.validUntil));
+
+	var exts = sig.exts;
+	if (exts === undefined)
+		exts = [];
+
+	var extbuf = new SSHBuffer({});
+	exts.forEach(function (ext) {
+		if (ext.critical !== true)
+			return;
+		extbuf.writeString(ext.name);
+		extbuf.writeBuffer(ext.data);
+	});
+	buf.writeBuffer(extbuf.toBuffer());
+
+	extbuf = new SSHBuffer({});
+	exts.forEach(function (ext) {
+		if (ext.critical === true)
+			return;
+		extbuf.writeString(ext.name);
+		extbuf.writeBuffer(ext.data);
+	});
+	buf.writeBuffer(extbuf.toBuffer());
+
+	/* reserved */
+	buf.writeBuffer(Buffer.alloc(0));
+
+	sub = rfc4253.write(cert.issuerKey);
+	buf.writeBuffer(sub);
+
+	if (!noSig)
+		buf.writeBuffer(sig.signature.toBuffer('ssh'));
+
+	return (buf.toBuffer());
+}
+
+function getAlg(certType) {
+	if (certType === 'ssh-rsa-cert-v01@openssh.com')
+		return ('rsa');
+	if (certType === 'ssh-dss-cert-v01@openssh.com')
+		return ('dsa');
+	if (certType.match(ECDSA_ALGO))
+		return ('ecdsa');
+	if (certType === 'ssh-ed25519-cert-v01@openssh.com')
+		return ('ed25519');
+	throw (new Error('Unsupported cert type ' + certType));
+}
+
+function getCertType(key) {
+	if (key.type === 'rsa')
+		return ('ssh-rsa-cert-v01@openssh.com');
+	if (key.type === 'dsa')
+		return ('ssh-dss-cert-v01@openssh.com');
+	if (key.type === 'ecdsa')
+		return ('ecdsa-sha2-' + key.curve + '-cert-v01@openssh.com');
+	if (key.type === 'ed25519')
+		return ('ssh-ed25519-cert-v01@openssh.com');
+	throw (new Error('Unsupported key type ' + key.type));
+}
diff --git a/node_modules/sshpk/lib/formats/pem.js b/node_modules/sshpk/lib/formats/pem.js
new file mode 100644
index 000000000..bbe78fcb5
--- /dev/null
+++ b/node_modules/sshpk/lib/formats/pem.js
@@ -0,0 +1,290 @@
+// Copyright 2018 Joyent, Inc.
+
+module.exports = {
+	read: read,
+	write: write
+};
+
+var assert = require('assert-plus');
+var asn1 = require('asn1');
+var crypto = require('crypto');
+var Buffer = require('safer-buffer').Buffer;
+var algs = require('../algs');
+var utils = require('../utils');
+var Key = require('../key');
+var PrivateKey = require('../private-key');
+
+var pkcs1 = require('./pkcs1');
+var pkcs8 = require('./pkcs8');
+var sshpriv = require('./ssh-private');
+var rfc4253 = require('./rfc4253');
+
+var errors = require('../errors');
+
+var OID_PBES2 = '1.2.840.113549.1.5.13';
+var OID_PBKDF2 = '1.2.840.113549.1.5.12';
+
+var OID_TO_CIPHER = {
+	'1.2.840.113549.3.7': '3des-cbc',
+	'2.16.840.1.101.3.4.1.2': 'aes128-cbc',
+	'2.16.840.1.101.3.4.1.42': 'aes256-cbc'
+};
+var CIPHER_TO_OID = {};
+Object.keys(OID_TO_CIPHER).forEach(function (k) {
+	CIPHER_TO_OID[OID_TO_CIPHER[k]] = k;
+});
+
+var OID_TO_HASH = {
+	'1.2.840.113549.2.7': 'sha1',
+	'1.2.840.113549.2.9': 'sha256',
+	'1.2.840.113549.2.11': 'sha512'
+};
+var HASH_TO_OID = {};
+Object.keys(OID_TO_HASH).forEach(function (k) {
+	HASH_TO_OID[OID_TO_HASH[k]] = k;
+});
+
+/*
+ * For reading we support both PKCS#1 and PKCS#8. If we find a private key,
+ * we just take the public component of it and use that.
+ */
+function read(buf, options, forceType) {
+	var input = buf;
+	if (typeof (buf) !== 'string') {
+		assert.buffer(buf, 'buf');
+		buf = buf.toString('ascii');
+	}
+
+	var lines = buf.trim().split(/[\r\n]+/g);
+
+	var m;
+	var si = -1;
+	while (!m && si < lines.length) {
+		m = lines[++si].match(/*JSSTYLED*/
+		    /[-]+[ ]*BEGIN ([A-Z0-9][A-Za-z0-9]+ )?(PUBLIC|PRIVATE) KEY[ ]*[-]+/);
+	}
+	assert.ok(m, 'invalid PEM header');
+
+	var m2;
+	var ei = lines.length;
+	while (!m2 && ei > 0) {
+		m2 = lines[--ei].match(/*JSSTYLED*/
+		    /[-]+[ ]*END ([A-Z0-9][A-Za-z0-9]+ )?(PUBLIC|PRIVATE) KEY[ ]*[-]+/);
+	}
+	assert.ok(m2, 'invalid PEM footer');
+
+	/* Begin and end banners must match key type */
+	assert.equal(m[2], m2[2]);
+	var type = m[2].toLowerCase();
+
+	var alg;
+	if (m[1]) {
+		/* They also must match algorithms, if given */
+		assert.equal(m[1], m2[1], 'PEM header and footer mismatch');
+		alg = m[1].trim();
+	}
+
+	lines = lines.slice(si, ei + 1);
+
+	var headers = {};
+	while (true) {
+		lines = lines.slice(1);
+		m = lines[0].match(/*JSSTYLED*/
+		    /^([A-Za-z0-9-]+): (.+)$/);
+		if (!m)
+			break;
+		headers[m[1].toLowerCase()] = m[2];
+	}
+
+	/* Chop off the first and last lines */
+	lines = lines.slice(0, -1).join('');
+	buf = Buffer.from(lines, 'base64');
+
+	var cipher, key, iv;
+	if (headers['proc-type']) {
+		var parts = headers['proc-type'].split(',');
+		if (parts[0] === '4' && parts[1] === 'ENCRYPTED') {
+			if (typeof (options.passphrase) === 'string') {
+				options.passphrase = Buffer.from(
+				    options.passphrase, 'utf-8');
+			}
+			if (!Buffer.isBuffer(options.passphrase)) {
+				throw (new errors.KeyEncryptedError(
+				    options.filename, 'PEM'));
+			} else {
+				parts = headers['dek-info'].split(',');
+				assert.ok(parts.length === 2);
+				cipher = parts[0].toLowerCase();
+				iv = Buffer.from(parts[1], 'hex');
+				key = utils.opensslKeyDeriv(cipher, iv,
+				    options.passphrase, 1).key;
+			}
+		}
+	}
+
+	if (alg && alg.toLowerCase() === 'encrypted') {
+		var eder = new asn1.BerReader(buf);
+		var pbesEnd;
+		eder.readSequence();
+
+		eder.readSequence();
+		pbesEnd = eder.offset + eder.length;
+
+		var method = eder.readOID();
+		if (method !== OID_PBES2) {
+			throw (new Error('Unsupported PEM/PKCS8 encryption ' +
+			    'scheme: ' + method));
+		}
+
+		eder.readSequence();	/* PBES2-params */
+
+		eder.readSequence();	/* keyDerivationFunc */
+		var kdfEnd = eder.offset + eder.length;
+		var kdfOid = eder.readOID();
+		if (kdfOid !== OID_PBKDF2)
+			throw (new Error('Unsupported PBES2 KDF: ' + kdfOid));
+		eder.readSequence();
+		var salt = eder.readString(asn1.Ber.OctetString, true);
+		var iterations = eder.readInt();
+		var hashAlg = 'sha1';
+		if (eder.offset < kdfEnd) {
+			eder.readSequence();
+			var hashAlgOid = eder.readOID();
+			hashAlg = OID_TO_HASH[hashAlgOid];
+			if (hashAlg === undefined) {
+				throw (new Error('Unsupported PBKDF2 hash: ' +
+				    hashAlgOid));
+			}
+		}
+		eder._offset = kdfEnd;
+
+		eder.readSequence();	/* encryptionScheme */
+		var cipherOid = eder.readOID();
+		cipher = OID_TO_CIPHER[cipherOid];
+		if (cipher === undefined) {
+			throw (new Error('Unsupported PBES2 cipher: ' +
+			    cipherOid));
+		}
+		iv = eder.readString(asn1.Ber.OctetString, true);
+
+		eder._offset = pbesEnd;
+		buf = eder.readString(asn1.Ber.OctetString, true);
+
+		if (typeof (options.passphrase) === 'string') {
+			options.passphrase = Buffer.from(
+			    options.passphrase, 'utf-8');
+		}
+		if (!Buffer.isBuffer(options.passphrase)) {
+			throw (new errors.KeyEncryptedError(
+			    options.filename, 'PEM'));
+		}
+
+		var cinfo = utils.opensshCipherInfo(cipher);
+
+		cipher = cinfo.opensslName;
+		key = utils.pbkdf2(hashAlg, salt, iterations, cinfo.keySize,
+		    options.passphrase);
+		alg = undefined;
+	}
+
+	if (cipher && key && iv) {
+		var cipherStream = crypto.createDecipheriv(cipher, key, iv);
+		var chunk, chunks = [];
+		cipherStream.once('error', function (e) {
+			if (e.toString().indexOf('bad decrypt') !== -1) {
+				throw (new Error('Incorrect passphrase ' +
+				    'supplied, could not decrypt key'));
+			}
+			throw (e);
+		});
+		cipherStream.write(buf);
+		cipherStream.end();
+		while ((chunk = cipherStream.read()) !== null)
+			chunks.push(chunk);
+		buf = Buffer.concat(chunks);
+	}
+
+	/* The new OpenSSH internal format abuses PEM headers */
+	if (alg && alg.toLowerCase() === 'openssh')
+		return (sshpriv.readSSHPrivate(type, buf, options));
+	if (alg && alg.toLowerCase() === 'ssh2')
+		return (rfc4253.readType(type, buf, options));
+
+	var der = new asn1.BerReader(buf);
+	der.originalInput = input;
+
+	/*
+	 * All of the PEM file types start with a sequence tag, so chop it
+	 * off here
+	 */
+	der.readSequence();
+
+	/* PKCS#1 type keys name an algorithm in the banner explicitly */
+	if (alg) {
+		if (forceType)
+			assert.strictEqual(forceType, 'pkcs1');
+		return (pkcs1.readPkcs1(alg, type, der));
+	} else {
+		if (forceType)
+			assert.strictEqual(forceType, 'pkcs8');
+		return (pkcs8.readPkcs8(alg, type, der));
+	}
+}
+
+function write(key, options, type) {
+	assert.object(key);
+
+	var alg = {
+	    'ecdsa': 'EC',
+	    'rsa': 'RSA',
+	    'dsa': 'DSA',
+	    'ed25519': 'EdDSA'
+	}[key.type];
+	var header;
+
+	var der = new asn1.BerWriter();
+
+	if (PrivateKey.isPrivateKey(key)) {
+		if (type && type === 'pkcs8') {
+			header = 'PRIVATE KEY';
+			pkcs8.writePkcs8(der, key);
+		} else {
+			if (type)
+				assert.strictEqual(type, 'pkcs1');
+			header = alg + ' PRIVATE KEY';
+			pkcs1.writePkcs1(der, key);
+		}
+
+	} else if (Key.isKey(key)) {
+		if (type && type === 'pkcs1') {
+			header = alg + ' PUBLIC KEY';
+			pkcs1.writePkcs1(der, key);
+		} else {
+			if (type)
+				assert.strictEqual(type, 'pkcs8');
+			header = 'PUBLIC KEY';
+			pkcs8.writePkcs8(der, key);
+		}
+
+	} else {
+		throw (new Error('key is not a Key or PrivateKey'));
+	}
+
+	var tmp = der.buffer.toString('base64');
+	var len = tmp.length + (tmp.length / 64) +
+	    18 + 16 + header.length*2 + 10;
+	var buf = Buffer.alloc(len);
+	var o = 0;
+	o += buf.write('-----BEGIN ' + header + '-----\n', o);
+	for (var i = 0; i < tmp.length; ) {
+		var limit = i + 64;
+		if (limit > tmp.length)
+			limit = tmp.length;
+		o += buf.write(tmp.slice(i, limit), o);
+		buf[o++] = 10;
+		i = limit;
+	}
+	o += buf.write('-----END ' + header + '-----\n', o);
+
+	return (buf.slice(0, o));
+}
diff --git a/node_modules/sshpk/lib/formats/pkcs1.js b/node_modules/sshpk/lib/formats/pkcs1.js
new file mode 100644
index 000000000..bc4855002
--- /dev/null
+++ b/node_modules/sshpk/lib/formats/pkcs1.js
@@ -0,0 +1,373 @@
+// Copyright 2015 Joyent, Inc.
+
+module.exports = {
+	read: read,
+	readPkcs1: readPkcs1,
+	write: write,
+	writePkcs1: writePkcs1
+};
+
+var assert = require('assert-plus');
+var asn1 = require('asn1');
+var Buffer = require('safer-buffer').Buffer;
+var algs = require('../algs');
+var utils = require('../utils');
+
+var Key = require('../key');
+var PrivateKey = require('../private-key');
+var pem = require('./pem');
+
+var pkcs8 = require('./pkcs8');
+var readECDSACurve = pkcs8.readECDSACurve;
+
+function read(buf, options) {
+	return (pem.read(buf, options, 'pkcs1'));
+}
+
+function write(key, options) {
+	return (pem.write(key, options, 'pkcs1'));
+}
+
+/* Helper to read in a single mpint */
+function readMPInt(der, nm) {
+	assert.strictEqual(der.peek(), asn1.Ber.Integer,
+	    nm + ' is not an Integer');
+	return (utils.mpNormalize(der.readString(asn1.Ber.Integer, true)));
+}
+
+function readPkcs1(alg, type, der) {
+	switch (alg) {
+	case 'RSA':
+		if (type === 'public')
+			return (readPkcs1RSAPublic(der));
+		else if (type === 'private')
+			return (readPkcs1RSAPrivate(der));
+		throw (new Error('Unknown key type: ' + type));
+	case 'DSA':
+		if (type === 'public')
+			return (readPkcs1DSAPublic(der));
+		else if (type === 'private')
+			return (readPkcs1DSAPrivate(der));
+		throw (new Error('Unknown key type: ' + type));
+	case 'EC':
+	case 'ECDSA':
+		if (type === 'private')
+			return (readPkcs1ECDSAPrivate(der));
+		else if (type === 'public')
+			return (readPkcs1ECDSAPublic(der));
+		throw (new Error('Unknown key type: ' + type));
+	case 'EDDSA':
+	case 'EdDSA':
+		if (type === 'private')
+			return (readPkcs1EdDSAPrivate(der));
+		throw (new Error(type + ' keys not supported with EdDSA'));
+	default:
+		throw (new Error('Unknown key algo: ' + alg));
+	}
+}
+
+function readPkcs1RSAPublic(der) {
+	// modulus and exponent
+	var n = readMPInt(der, 'modulus');
+	var e = readMPInt(der, 'exponent');
+
+	// now, make the key
+	var key = {
+		type: 'rsa',
+		parts: [
+			{ name: 'e', data: e },
+			{ name: 'n', data: n }
+		]
+	};
+
+	return (new Key(key));
+}
+
+function readPkcs1RSAPrivate(der) {
+	var version = readMPInt(der, 'version');
+	assert.strictEqual(version[0], 0);
+
+	// modulus then public exponent
+	var n = readMPInt(der, 'modulus');
+	var e = readMPInt(der, 'public exponent');
+	var d = readMPInt(der, 'private exponent');
+	var p = readMPInt(der, 'prime1');
+	var q = readMPInt(der, 'prime2');
+	var dmodp = readMPInt(der, 'exponent1');
+	var dmodq = readMPInt(der, 'exponent2');
+	var iqmp = readMPInt(der, 'iqmp');
+
+	// now, make the key
+	var key = {
+		type: 'rsa',
+		parts: [
+			{ name: 'n', data: n },
+			{ name: 'e', data: e },
+			{ name: 'd', data: d },
+			{ name: 'iqmp', data: iqmp },
+			{ name: 'p', data: p },
+			{ name: 'q', data: q },
+			{ name: 'dmodp', data: dmodp },
+			{ name: 'dmodq', data: dmodq }
+		]
+	};
+
+	return (new PrivateKey(key));
+}
+
+function readPkcs1DSAPrivate(der) {
+	var version = readMPInt(der, 'version');
+	assert.strictEqual(version.readUInt8(0), 0);
+
+	var p = readMPInt(der, 'p');
+	var q = readMPInt(der, 'q');
+	var g = readMPInt(der, 'g');
+	var y = readMPInt(der, 'y');
+	var x = readMPInt(der, 'x');
+
+	// now, make the key
+	var key = {
+		type: 'dsa',
+		parts: [
+			{ name: 'p', data: p },
+			{ name: 'q', data: q },
+			{ name: 'g', data: g },
+			{ name: 'y', data: y },
+			{ name: 'x', data: x }
+		]
+	};
+
+	return (new PrivateKey(key));
+}
+
+function readPkcs1EdDSAPrivate(der) {
+	var version = readMPInt(der, 'version');
+	assert.strictEqual(version.readUInt8(0), 1);
+
+	// private key
+	var k = der.readString(asn1.Ber.OctetString, true);
+
+	der.readSequence(0xa0);
+	var oid = der.readOID();
+	assert.strictEqual(oid, '1.3.101.112', 'the ed25519 curve identifier');
+
+	der.readSequence(0xa1);
+	var A = utils.readBitString(der);
+
+	var key = {
+		type: 'ed25519',
+		parts: [
+			{ name: 'A', data: utils.zeroPadToLength(A, 32) },
+			{ name: 'k', data: k }
+		]
+	};
+
+	return (new PrivateKey(key));
+}
+
+function readPkcs1DSAPublic(der) {
+	var y = readMPInt(der, 'y');
+	var p = readMPInt(der, 'p');
+	var q = readMPInt(der, 'q');
+	var g = readMPInt(der, 'g');
+
+	var key = {
+		type: 'dsa',
+		parts: [
+			{ name: 'y', data: y },
+			{ name: 'p', data: p },
+			{ name: 'q', data: q },
+			{ name: 'g', data: g }
+		]
+	};
+
+	return (new Key(key));
+}
+
+function readPkcs1ECDSAPublic(der) {
+	der.readSequence();
+
+	var oid = der.readOID();
+	assert.strictEqual(oid, '1.2.840.10045.2.1', 'must be ecPublicKey');
+
+	var curveOid = der.readOID();
+
+	var curve;
+	var curves = Object.keys(algs.curves);
+	for (var j = 0; j < curves.length; ++j) {
+		var c = curves[j];
+		var cd = algs.curves[c];
+		if (cd.pkcs8oid === curveOid) {
+			curve = c;
+			break;
+		}
+	}
+	assert.string(curve, 'a known ECDSA named curve');
+
+	var Q = der.readString(asn1.Ber.BitString, true);
+	Q = utils.ecNormalize(Q);
+
+	var key = {
+		type: 'ecdsa',
+		parts: [
+			{ name: 'curve', data: Buffer.from(curve) },
+			{ name: 'Q', data: Q }
+		]
+	};
+
+	return (new Key(key));
+}
+
+function readPkcs1ECDSAPrivate(der) {
+	var version = readMPInt(der, 'version');
+	assert.strictEqual(version.readUInt8(0), 1);
+
+	// private key
+	var d = der.readString(asn1.Ber.OctetString, true);
+
+	der.readSequence(0xa0);
+	var curve = readECDSACurve(der);
+	assert.string(curve, 'a known elliptic curve');
+
+	der.readSequence(0xa1);
+	var Q = der.readString(asn1.Ber.BitString, true);
+	Q = utils.ecNormalize(Q);
+
+	var key = {
+		type: 'ecdsa',
+		parts: [
+			{ name: 'curve', data: Buffer.from(curve) },
+			{ name: 'Q', data: Q },
+			{ name: 'd', data: d }
+		]
+	};
+
+	return (new PrivateKey(key));
+}
+
+function writePkcs1(der, key) {
+	der.startSequence();
+
+	switch (key.type) {
+	case 'rsa':
+		if (PrivateKey.isPrivateKey(key))
+			writePkcs1RSAPrivate(der, key);
+		else
+			writePkcs1RSAPublic(der, key);
+		break;
+	case 'dsa':
+		if (PrivateKey.isPrivateKey(key))
+			writePkcs1DSAPrivate(der, key);
+		else
+			writePkcs1DSAPublic(der, key);
+		break;
+	case 'ecdsa':
+		if (PrivateKey.isPrivateKey(key))
+			writePkcs1ECDSAPrivate(der, key);
+		else
+			writePkcs1ECDSAPublic(der, key);
+		break;
+	case 'ed25519':
+		if (PrivateKey.isPrivateKey(key))
+			writePkcs1EdDSAPrivate(der, key);
+		else
+			writePkcs1EdDSAPublic(der, key);
+		break;
+	default:
+		throw (new Error('Unknown key algo: ' + key.type));
+	}
+
+	der.endSequence();
+}
+
+function writePkcs1RSAPublic(der, key) {
+	der.writeBuffer(key.part.n.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.e.data, asn1.Ber.Integer);
+}
+
+function writePkcs1RSAPrivate(der, key) {
+	var ver = Buffer.from([0]);
+	der.writeBuffer(ver, asn1.Ber.Integer);
+
+	der.writeBuffer(key.part.n.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.e.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.d.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.p.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.q.data, asn1.Ber.Integer);
+	if (!key.part.dmodp || !key.part.dmodq)
+		utils.addRSAMissing(key);
+	der.writeBuffer(key.part.dmodp.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.dmodq.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.iqmp.data, asn1.Ber.Integer);
+}
+
+function writePkcs1DSAPrivate(der, key) {
+	var ver = Buffer.from([0]);
+	der.writeBuffer(ver, asn1.Ber.Integer);
+
+	der.writeBuffer(key.part.p.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.q.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.g.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.y.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.x.data, asn1.Ber.Integer);
+}
+
+function writePkcs1DSAPublic(der, key) {
+	der.writeBuffer(key.part.y.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.p.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.q.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.g.data, asn1.Ber.Integer);
+}
+
+function writePkcs1ECDSAPublic(der, key) {
+	der.startSequence();
+
+	der.writeOID('1.2.840.10045.2.1'); /* ecPublicKey */
+	var curve = key.part.curve.data.toString();
+	var curveOid = algs.curves[curve].pkcs8oid;
+	assert.string(curveOid, 'a known ECDSA named curve');
+	der.writeOID(curveOid);
+
+	der.endSequence();
+
+	var Q = utils.ecNormalize(key.part.Q.data, true);
+	der.writeBuffer(Q, asn1.Ber.BitString);
+}
+
+function writePkcs1ECDSAPrivate(der, key) {
+	var ver = Buffer.from([1]);
+	der.writeBuffer(ver, asn1.Ber.Integer);
+
+	der.writeBuffer(key.part.d.data, asn1.Ber.OctetString);
+
+	der.startSequence(0xa0);
+	var curve = key.part.curve.data.toString();
+	var curveOid = algs.curves[curve].pkcs8oid;
+	assert.string(curveOid, 'a known ECDSA named curve');
+	der.writeOID(curveOid);
+	der.endSequence();
+
+	der.startSequence(0xa1);
+	var Q = utils.ecNormalize(key.part.Q.data, true);
+	der.writeBuffer(Q, asn1.Ber.BitString);
+	der.endSequence();
+}
+
+function writePkcs1EdDSAPrivate(der, key) {
+	var ver = Buffer.from([1]);
+	der.writeBuffer(ver, asn1.Ber.Integer);
+
+	der.writeBuffer(key.part.k.data, asn1.Ber.OctetString);
+
+	der.startSequence(0xa0);
+	der.writeOID('1.3.101.112');
+	der.endSequence();
+
+	der.startSequence(0xa1);
+	utils.writeBitString(der, key.part.A.data);
+	der.endSequence();
+}
+
+function writePkcs1EdDSAPublic(der, key) {
+	throw (new Error('Public keys are not supported for EdDSA PKCS#1'));
+}
diff --git a/node_modules/sshpk/lib/formats/pkcs8.js b/node_modules/sshpk/lib/formats/pkcs8.js
new file mode 100644
index 000000000..2ca3ca7a2
--- /dev/null
+++ b/node_modules/sshpk/lib/formats/pkcs8.js
@@ -0,0 +1,631 @@
+// Copyright 2018 Joyent, Inc.
+
+module.exports = {
+	read: read,
+	readPkcs8: readPkcs8,
+	write: write,
+	writePkcs8: writePkcs8,
+	pkcs8ToBuffer: pkcs8ToBuffer,
+
+	readECDSACurve: readECDSACurve,
+	writeECDSACurve: writeECDSACurve
+};
+
+var assert = require('assert-plus');
+var asn1 = require('asn1');
+var Buffer = require('safer-buffer').Buffer;
+var algs = require('../algs');
+var utils = require('../utils');
+var Key = require('../key');
+var PrivateKey = require('../private-key');
+var pem = require('./pem');
+
+function read(buf, options) {
+	return (pem.read(buf, options, 'pkcs8'));
+}
+
+function write(key, options) {
+	return (pem.write(key, options, 'pkcs8'));
+}
+
+/* Helper to read in a single mpint */
+function readMPInt(der, nm) {
+	assert.strictEqual(der.peek(), asn1.Ber.Integer,
+	    nm + ' is not an Integer');
+	return (utils.mpNormalize(der.readString(asn1.Ber.Integer, true)));
+}
+
+function readPkcs8(alg, type, der) {
+	/* Private keys in pkcs#8 format have a weird extra int */
+	if (der.peek() === asn1.Ber.Integer) {
+		assert.strictEqual(type, 'private',
+		    'unexpected Integer at start of public key');
+		der.readString(asn1.Ber.Integer, true);
+	}
+
+	der.readSequence();
+	var next = der.offset + der.length;
+
+	var oid = der.readOID();
+	switch (oid) {
+	case '1.2.840.113549.1.1.1':
+		der._offset = next;
+		if (type === 'public')
+			return (readPkcs8RSAPublic(der));
+		else
+			return (readPkcs8RSAPrivate(der));
+	case '1.2.840.10040.4.1':
+		if (type === 'public')
+			return (readPkcs8DSAPublic(der));
+		else
+			return (readPkcs8DSAPrivate(der));
+	case '1.2.840.10045.2.1':
+		if (type === 'public')
+			return (readPkcs8ECDSAPublic(der));
+		else
+			return (readPkcs8ECDSAPrivate(der));
+	case '1.3.101.112':
+		if (type === 'public') {
+			return (readPkcs8EdDSAPublic(der));
+		} else {
+			return (readPkcs8EdDSAPrivate(der));
+		}
+	case '1.3.101.110':
+		if (type === 'public') {
+			return (readPkcs8X25519Public(der));
+		} else {
+			return (readPkcs8X25519Private(der));
+		}
+	default:
+		throw (new Error('Unknown key type OID ' + oid));
+	}
+}
+
+function readPkcs8RSAPublic(der) {
+	// bit string sequence
+	der.readSequence(asn1.Ber.BitString);
+	der.readByte();
+	der.readSequence();
+
+	// modulus
+	var n = readMPInt(der, 'modulus');
+	var e = readMPInt(der, 'exponent');
+
+	// now, make the key
+	var key = {
+		type: 'rsa',
+		source: der.originalInput,
+		parts: [
+			{ name: 'e', data: e },
+			{ name: 'n', data: n }
+		]
+	};
+
+	return (new Key(key));
+}
+
+function readPkcs8RSAPrivate(der) {
+	der.readSequence(asn1.Ber.OctetString);
+	der.readSequence();
+
+	var ver = readMPInt(der, 'version');
+	assert.equal(ver[0], 0x0, 'unknown RSA private key version');
+
+	// modulus then public exponent
+	var n = readMPInt(der, 'modulus');
+	var e = readMPInt(der, 'public exponent');
+	var d = readMPInt(der, 'private exponent');
+	var p = readMPInt(der, 'prime1');
+	var q = readMPInt(der, 'prime2');
+	var dmodp = readMPInt(der, 'exponent1');
+	var dmodq = readMPInt(der, 'exponent2');
+	var iqmp = readMPInt(der, 'iqmp');
+
+	// now, make the key
+	var key = {
+		type: 'rsa',
+		parts: [
+			{ name: 'n', data: n },
+			{ name: 'e', data: e },
+			{ name: 'd', data: d },
+			{ name: 'iqmp', data: iqmp },
+			{ name: 'p', data: p },
+			{ name: 'q', data: q },
+			{ name: 'dmodp', data: dmodp },
+			{ name: 'dmodq', data: dmodq }
+		]
+	};
+
+	return (new PrivateKey(key));
+}
+
+function readPkcs8DSAPublic(der) {
+	der.readSequence();
+
+	var p = readMPInt(der, 'p');
+	var q = readMPInt(der, 'q');
+	var g = readMPInt(der, 'g');
+
+	// bit string sequence
+	der.readSequence(asn1.Ber.BitString);
+	der.readByte();
+
+	var y = readMPInt(der, 'y');
+
+	// now, make the key
+	var key = {
+		type: 'dsa',
+		parts: [
+			{ name: 'p', data: p },
+			{ name: 'q', data: q },
+			{ name: 'g', data: g },
+			{ name: 'y', data: y }
+		]
+	};
+
+	return (new Key(key));
+}
+
+function readPkcs8DSAPrivate(der) {
+	der.readSequence();
+
+	var p = readMPInt(der, 'p');
+	var q = readMPInt(der, 'q');
+	var g = readMPInt(der, 'g');
+
+	der.readSequence(asn1.Ber.OctetString);
+	var x = readMPInt(der, 'x');
+
+	/* The pkcs#8 format does not include the public key */
+	var y = utils.calculateDSAPublic(g, p, x);
+
+	var key = {
+		type: 'dsa',
+		parts: [
+			{ name: 'p', data: p },
+			{ name: 'q', data: q },
+			{ name: 'g', data: g },
+			{ name: 'y', data: y },
+			{ name: 'x', data: x }
+		]
+	};
+
+	return (new PrivateKey(key));
+}
+
+function readECDSACurve(der) {
+	var curveName, curveNames;
+	var j, c, cd;
+
+	if (der.peek() === asn1.Ber.OID) {
+		var oid = der.readOID();
+
+		curveNames = Object.keys(algs.curves);
+		for (j = 0; j < curveNames.length; ++j) {
+			c = curveNames[j];
+			cd = algs.curves[c];
+			if (cd.pkcs8oid === oid) {
+				curveName = c;
+				break;
+			}
+		}
+
+	} else {
+		// ECParameters sequence
+		der.readSequence();
+		var version = der.readString(asn1.Ber.Integer, true);
+		assert.strictEqual(version[0], 1, 'ECDSA key not version 1');
+
+		var curve = {};
+
+		// FieldID sequence
+		der.readSequence();
+		var fieldTypeOid = der.readOID();
+		assert.strictEqual(fieldTypeOid, '1.2.840.10045.1.1',
+		    'ECDSA key is not from a prime-field');
+		var p = curve.p = utils.mpNormalize(
+		    der.readString(asn1.Ber.Integer, true));
+		/*
+		 * p always starts with a 1 bit, so count the zeros to get its
+		 * real size.
+		 */
+		curve.size = p.length * 8 - utils.countZeros(p);
+
+		// Curve sequence
+		der.readSequence();
+		curve.a = utils.mpNormalize(
+		    der.readString(asn1.Ber.OctetString, true));
+		curve.b = utils.mpNormalize(
+		    der.readString(asn1.Ber.OctetString, true));
+		if (der.peek() === asn1.Ber.BitString)
+			curve.s = der.readString(asn1.Ber.BitString, true);
+
+		// Combined Gx and Gy
+		curve.G = der.readString(asn1.Ber.OctetString, true);
+		assert.strictEqual(curve.G[0], 0x4,
+		    'uncompressed G is required');
+
+		curve.n = utils.mpNormalize(
+		    der.readString(asn1.Ber.Integer, true));
+		curve.h = utils.mpNormalize(
+		    der.readString(asn1.Ber.Integer, true));
+		assert.strictEqual(curve.h[0], 0x1, 'a cofactor=1 curve is ' +
+		    'required');
+
+		curveNames = Object.keys(algs.curves);
+		var ks = Object.keys(curve);
+		for (j = 0; j < curveNames.length; ++j) {
+			c = curveNames[j];
+			cd = algs.curves[c];
+			var equal = true;
+			for (var i = 0; i < ks.length; ++i) {
+				var k = ks[i];
+				if (cd[k] === undefined)
+					continue;
+				if (typeof (cd[k]) === 'object' &&
+				    cd[k].equals !== undefined) {
+					if (!cd[k].equals(curve[k])) {
+						equal = false;
+						break;
+					}
+				} else if (Buffer.isBuffer(cd[k])) {
+					if (cd[k].toString('binary')
+					    !== curve[k].toString('binary')) {
+						equal = false;
+						break;
+					}
+				} else {
+					if (cd[k] !== curve[k]) {
+						equal = false;
+						break;
+					}
+				}
+			}
+			if (equal) {
+				curveName = c;
+				break;
+			}
+		}
+	}
+	return (curveName);
+}
+
+function readPkcs8ECDSAPrivate(der) {
+	var curveName = readECDSACurve(der);
+	assert.string(curveName, 'a known elliptic curve');
+
+	der.readSequence(asn1.Ber.OctetString);
+	der.readSequence();
+
+	var version = readMPInt(der, 'version');
+	assert.equal(version[0], 1, 'unknown version of ECDSA key');
+
+	var d = der.readString(asn1.Ber.OctetString, true);
+	var Q;
+
+	if (der.peek() == 0xa0) {
+		der.readSequence(0xa0);
+		der._offset += der.length;
+	}
+	if (der.peek() == 0xa1) {
+		der.readSequence(0xa1);
+		Q = der.readString(asn1.Ber.BitString, true);
+		Q = utils.ecNormalize(Q);
+	}
+
+	if (Q === undefined) {
+		var pub = utils.publicFromPrivateECDSA(curveName, d);
+		Q = pub.part.Q.data;
+	}
+
+	var key = {
+		type: 'ecdsa',
+		parts: [
+			{ name: 'curve', data: Buffer.from(curveName) },
+			{ name: 'Q', data: Q },
+			{ name: 'd', data: d }
+		]
+	};
+
+	return (new PrivateKey(key));
+}
+
+function readPkcs8ECDSAPublic(der) {
+	var curveName = readECDSACurve(der);
+	assert.string(curveName, 'a known elliptic curve');
+
+	var Q = der.readString(asn1.Ber.BitString, true);
+	Q = utils.ecNormalize(Q);
+
+	var key = {
+		type: 'ecdsa',
+		parts: [
+			{ name: 'curve', data: Buffer.from(curveName) },
+			{ name: 'Q', data: Q }
+		]
+	};
+
+	return (new Key(key));
+}
+
+function readPkcs8EdDSAPublic(der) {
+	if (der.peek() === 0x00)
+		der.readByte();
+
+	var A = utils.readBitString(der);
+
+	var key = {
+		type: 'ed25519',
+		parts: [
+			{ name: 'A', data: utils.zeroPadToLength(A, 32) }
+		]
+	};
+
+	return (new Key(key));
+}
+
+function readPkcs8X25519Public(der) {
+	var A = utils.readBitString(der);
+
+	var key = {
+		type: 'curve25519',
+		parts: [
+			{ name: 'A', data: utils.zeroPadToLength(A, 32) }
+		]
+	};
+
+	return (new Key(key));
+}
+
+function readPkcs8EdDSAPrivate(der) {
+	if (der.peek() === 0x00)
+		der.readByte();
+
+	der.readSequence(asn1.Ber.OctetString);
+	var k = der.readString(asn1.Ber.OctetString, true);
+	k = utils.zeroPadToLength(k, 32);
+
+	var A;
+	if (der.peek() === asn1.Ber.BitString) {
+		A = utils.readBitString(der);
+		A = utils.zeroPadToLength(A, 32);
+	} else {
+		A = utils.calculateED25519Public(k);
+	}
+
+	var key = {
+		type: 'ed25519',
+		parts: [
+			{ name: 'A', data: utils.zeroPadToLength(A, 32) },
+			{ name: 'k', data: utils.zeroPadToLength(k, 32) }
+		]
+	};
+
+	return (new PrivateKey(key));
+}
+
+function readPkcs8X25519Private(der) {
+	if (der.peek() === 0x00)
+		der.readByte();
+
+	der.readSequence(asn1.Ber.OctetString);
+	var k = der.readString(asn1.Ber.OctetString, true);
+	k = utils.zeroPadToLength(k, 32);
+
+	var A = utils.calculateX25519Public(k);
+
+	var key = {
+		type: 'curve25519',
+		parts: [
+			{ name: 'A', data: utils.zeroPadToLength(A, 32) },
+			{ name: 'k', data: utils.zeroPadToLength(k, 32) }
+		]
+	};
+
+	return (new PrivateKey(key));
+}
+
+function pkcs8ToBuffer(key) {
+	var der = new asn1.BerWriter();
+	writePkcs8(der, key);
+	return (der.buffer);
+}
+
+function writePkcs8(der, key) {
+	der.startSequence();
+
+	if (PrivateKey.isPrivateKey(key)) {
+		var sillyInt = Buffer.from([0]);
+		der.writeBuffer(sillyInt, asn1.Ber.Integer);
+	}
+
+	der.startSequence();
+	switch (key.type) {
+	case 'rsa':
+		der.writeOID('1.2.840.113549.1.1.1');
+		if (PrivateKey.isPrivateKey(key))
+			writePkcs8RSAPrivate(key, der);
+		else
+			writePkcs8RSAPublic(key, der);
+		break;
+	case 'dsa':
+		der.writeOID('1.2.840.10040.4.1');
+		if (PrivateKey.isPrivateKey(key))
+			writePkcs8DSAPrivate(key, der);
+		else
+			writePkcs8DSAPublic(key, der);
+		break;
+	case 'ecdsa':
+		der.writeOID('1.2.840.10045.2.1');
+		if (PrivateKey.isPrivateKey(key))
+			writePkcs8ECDSAPrivate(key, der);
+		else
+			writePkcs8ECDSAPublic(key, der);
+		break;
+	case 'ed25519':
+		der.writeOID('1.3.101.112');
+		if (PrivateKey.isPrivateKey(key))
+			throw (new Error('Ed25519 private keys in pkcs8 ' +
+			    'format are not supported'));
+		writePkcs8EdDSAPublic(key, der);
+		break;
+	default:
+		throw (new Error('Unsupported key type: ' + key.type));
+	}
+
+	der.endSequence();
+}
+
+function writePkcs8RSAPrivate(key, der) {
+	der.writeNull();
+	der.endSequence();
+
+	der.startSequence(asn1.Ber.OctetString);
+	der.startSequence();
+
+	var version = Buffer.from([0]);
+	der.writeBuffer(version, asn1.Ber.Integer);
+
+	der.writeBuffer(key.part.n.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.e.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.d.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.p.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.q.data, asn1.Ber.Integer);
+	if (!key.part.dmodp || !key.part.dmodq)
+		utils.addRSAMissing(key);
+	der.writeBuffer(key.part.dmodp.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.dmodq.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.iqmp.data, asn1.Ber.Integer);
+
+	der.endSequence();
+	der.endSequence();
+}
+
+function writePkcs8RSAPublic(key, der) {
+	der.writeNull();
+	der.endSequence();
+
+	der.startSequence(asn1.Ber.BitString);
+	der.writeByte(0x00);
+
+	der.startSequence();
+	der.writeBuffer(key.part.n.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.e.data, asn1.Ber.Integer);
+	der.endSequence();
+
+	der.endSequence();
+}
+
+function writePkcs8DSAPrivate(key, der) {
+	der.startSequence();
+	der.writeBuffer(key.part.p.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.q.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.g.data, asn1.Ber.Integer);
+	der.endSequence();
+
+	der.endSequence();
+
+	der.startSequence(asn1.Ber.OctetString);
+	der.writeBuffer(key.part.x.data, asn1.Ber.Integer);
+	der.endSequence();
+}
+
+function writePkcs8DSAPublic(key, der) {
+	der.startSequence();
+	der.writeBuffer(key.part.p.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.q.data, asn1.Ber.Integer);
+	der.writeBuffer(key.part.g.data, asn1.Ber.Integer);
+	der.endSequence();
+	der.endSequence();
+
+	der.startSequence(asn1.Ber.BitString);
+	der.writeByte(0x00);
+	der.writeBuffer(key.part.y.data, asn1.Ber.Integer);
+	der.endSequence();
+}
+
+function writeECDSACurve(key, der) {
+	var curve = algs.curves[key.curve];
+	if (curve.pkcs8oid) {
+		/* This one has a name in pkcs#8, so just write the oid */
+		der.writeOID(curve.pkcs8oid);
+
+	} else {
+		// ECParameters sequence
+		der.startSequence();
+
+		var version = Buffer.from([1]);
+		der.writeBuffer(version, asn1.Ber.Integer);
+
+		// FieldID sequence
+		der.startSequence();
+		der.writeOID('1.2.840.10045.1.1'); // prime-field
+		der.writeBuffer(curve.p, asn1.Ber.Integer);
+		der.endSequence();
+
+		// Curve sequence
+		der.startSequence();
+		var a = curve.p;
+		if (a[0] === 0x0)
+			a = a.slice(1);
+		der.writeBuffer(a, asn1.Ber.OctetString);
+		der.writeBuffer(curve.b, asn1.Ber.OctetString);
+		der.writeBuffer(curve.s, asn1.Ber.BitString);
+		der.endSequence();
+
+		der.writeBuffer(curve.G, asn1.Ber.OctetString);
+		der.writeBuffer(curve.n, asn1.Ber.Integer);
+		var h = curve.h;
+		if (!h) {
+			h = Buffer.from([1]);
+		}
+		der.writeBuffer(h, asn1.Ber.Integer);
+
+		// ECParameters
+		der.endSequence();
+	}
+}
+
+function writePkcs8ECDSAPublic(key, der) {
+	writeECDSACurve(key, der);
+	der.endSequence();
+
+	var Q = utils.ecNormalize(key.part.Q.data, true);
+	der.writeBuffer(Q, asn1.Ber.BitString);
+}
+
+function writePkcs8ECDSAPrivate(key, der) {
+	writeECDSACurve(key, der);
+	der.endSequence();
+
+	der.startSequence(asn1.Ber.OctetString);
+	der.startSequence();
+
+	var version = Buffer.from([1]);
+	der.writeBuffer(version, asn1.Ber.Integer);
+
+	der.writeBuffer(key.part.d.data, asn1.Ber.OctetString);
+
+	der.startSequence(0xa1);
+	var Q = utils.ecNormalize(key.part.Q.data, true);
+	der.writeBuffer(Q, asn1.Ber.BitString);
+	der.endSequence();
+
+	der.endSequence();
+	der.endSequence();
+}
+
+function writePkcs8EdDSAPublic(key, der) {
+	der.endSequence();
+
+	utils.writeBitString(der, key.part.A.data);
+}
+
+function writePkcs8EdDSAPrivate(key, der) {
+	der.endSequence();
+
+	var k = utils.mpNormalize(key.part.k.data, true);
+	der.startSequence(asn1.Ber.OctetString);
+	der.writeBuffer(k, asn1.Ber.OctetString);
+	der.endSequence();
+}
diff --git a/node_modules/sshpk/lib/formats/putty.js b/node_modules/sshpk/lib/formats/putty.js
new file mode 100644
index 000000000..e7b2add35
--- /dev/null
+++ b/node_modules/sshpk/lib/formats/putty.js
@@ -0,0 +1,194 @@
+// Copyright 2018 Joyent, Inc.
+
+module.exports = {
+	read: read,
+	write: write
+};
+
+var assert = require('assert-plus');
+var Buffer = require('safer-buffer').Buffer;
+var rfc4253 = require('./rfc4253');
+var Key = require('../key');
+var SSHBuffer = require('../ssh-buffer');
+var crypto = require('crypto');
+var PrivateKey = require('../private-key');
+
+var errors = require('../errors');
+
+// https://tartarus.org/~simon/putty-prerel-snapshots/htmldoc/AppendixC.html
+function read(buf, options) {
+	var lines = buf.toString('ascii').split(/[\r\n]+/);
+	var found = false;
+	var parts;
+	var si = 0;
+	var formatVersion;
+	while (si < lines.length) {
+		parts = splitHeader(lines[si++]);
+		if (parts) {
+			formatVersion = {
+				'putty-user-key-file-2': 2,
+				'putty-user-key-file-3': 3
+			}[parts[0].toLowerCase()];
+			if (formatVersion) {
+				found = true;
+				break;
+			}
+		}
+	}
+	if (!found) {
+		throw (new Error('No PuTTY format first line found'));
+	}
+	var alg = parts[1];
+
+	parts = splitHeader(lines[si++]);
+	assert.equal(parts[0].toLowerCase(), 'encryption');
+	var encryption = parts[1];
+
+	parts = splitHeader(lines[si++]);
+	assert.equal(parts[0].toLowerCase(), 'comment');
+	var comment = parts[1];
+
+	parts = splitHeader(lines[si++]);
+	assert.equal(parts[0].toLowerCase(), 'public-lines');
+	var publicLines = parseInt(parts[1], 10);
+	if (!isFinite(publicLines) || publicLines < 0 ||
+	    publicLines > lines.length) {
+		throw (new Error('Invalid public-lines count'));
+	}
+
+	var publicBuf = Buffer.from(
+	    lines.slice(si, si + publicLines).join(''), 'base64');
+	var keyType = rfc4253.algToKeyType(alg);
+	var key = rfc4253.read(publicBuf);
+	if (key.type !== keyType) {
+		throw (new Error('Outer key algorithm mismatch'));
+	}
+
+	si += publicLines;
+	if (lines[si]) {
+		parts = splitHeader(lines[si++]);
+		assert.equal(parts[0].toLowerCase(), 'private-lines');
+		var privateLines = parseInt(parts[1], 10);
+		if (!isFinite(privateLines) || privateLines < 0 ||
+		    privateLines > lines.length) {
+			throw (new Error('Invalid private-lines count'));
+		}
+
+		var privateBuf = Buffer.from(
+			lines.slice(si, si + privateLines).join(''), 'base64');
+
+		if (encryption !== 'none' && formatVersion === 3) {
+			throw new Error('Encrypted keys arenot supported for' +
+			' PuTTY format version 3');
+		}
+
+		if (encryption === 'aes256-cbc') {
+			if (!options.passphrase) {
+				throw (new errors.KeyEncryptedError(
+					options.filename, 'PEM'));
+			}
+
+			var iv = Buffer.alloc(16, 0);
+			var decipher = crypto.createDecipheriv(
+				'aes-256-cbc',
+				derivePPK2EncryptionKey(options.passphrase),
+				iv);
+			decipher.setAutoPadding(false);
+			privateBuf = Buffer.concat([
+				decipher.update(privateBuf), decipher.final()]);
+		}
+
+		key = new PrivateKey(key);
+		if (key.type !== keyType) {
+			throw (new Error('Outer key algorithm mismatch'));
+		}
+
+		var sshbuf = new SSHBuffer({buffer: privateBuf});
+		var privateKeyParts;
+		if (alg === 'ssh-dss') {
+			privateKeyParts = [ {
+				name: 'x',
+				data: sshbuf.readBuffer()
+			}];
+		} else if (alg === 'ssh-rsa') {
+			privateKeyParts = [
+				{ name: 'd', data: sshbuf.readBuffer() },
+				{ name: 'p', data: sshbuf.readBuffer() },
+				{ name: 'q', data: sshbuf.readBuffer() },
+				{ name: 'iqmp', data: sshbuf.readBuffer() }
+			];
+		} else if (alg.match(/^ecdsa-sha2-nistp/)) {
+			privateKeyParts = [ {
+				name: 'd', data: sshbuf.readBuffer()
+			} ];
+		} else if (alg === 'ssh-ed25519') {
+			privateKeyParts = [ {
+				name: 'k', data: sshbuf.readBuffer()
+			} ];
+		} else {
+			throw new Error('Unsupported PPK key type: ' + alg);
+		}
+
+		key = new PrivateKey({
+			type: key.type,
+			parts: key.parts.concat(privateKeyParts)
+		});
+	}
+
+	key.comment = comment;
+	return (key);
+}
+
+function derivePPK2EncryptionKey(passphrase) {
+	var hash1 = crypto.createHash('sha1').update(Buffer.concat([
+		Buffer.from([0, 0, 0, 0]),
+		Buffer.from(passphrase)
+	])).digest();
+	var hash2 = crypto.createHash('sha1').update(Buffer.concat([
+		Buffer.from([0, 0, 0, 1]),
+		Buffer.from(passphrase)
+	])).digest();
+	return (Buffer.concat([hash1, hash2]).slice(0, 32));
+}
+
+function splitHeader(line) {
+	var idx = line.indexOf(':');
+	if (idx === -1)
+		return (null);
+	var header = line.slice(0, idx);
+	++idx;
+	while (line[idx] === ' ')
+		++idx;
+	var rest = line.slice(idx);
+	return ([header, rest]);
+}
+
+function write(key, options) {
+	assert.object(key);
+	if (!Key.isKey(key))
+		throw (new Error('Must be a public key'));
+
+	var alg = rfc4253.keyTypeToAlg(key);
+	var buf = rfc4253.write(key);
+	var comment = key.comment || '';
+
+	var b64 = buf.toString('base64');
+	var lines = wrap(b64, 64);
+
+	lines.unshift('Public-Lines: ' + lines.length);
+	lines.unshift('Comment: ' + comment);
+	lines.unshift('Encryption: none');
+	lines.unshift('PuTTY-User-Key-File-2: ' + alg);
+
+	return (Buffer.from(lines.join('\n') + '\n'));
+}
+
+function wrap(txt, len) {
+	var lines = [];
+	var pos = 0;
+	while (pos < txt.length) {
+		lines.push(txt.slice(pos, pos + 64));
+		pos += 64;
+	}
+	return (lines);
+}
diff --git a/node_modules/sshpk/lib/formats/rfc4253.js b/node_modules/sshpk/lib/formats/rfc4253.js
new file mode 100644
index 000000000..52fddcb6b
--- /dev/null
+++ b/node_modules/sshpk/lib/formats/rfc4253.js
@@ -0,0 +1,166 @@
+// Copyright 2015 Joyent, Inc.
+
+module.exports = {
+	read: read.bind(undefined, false, undefined),
+	readType: read.bind(undefined, false),
+	write: write,
+	/* semi-private api, used by sshpk-agent */
+	readPartial: read.bind(undefined, true),
+
+	/* shared with ssh format */
+	readInternal: read,
+	keyTypeToAlg: keyTypeToAlg,
+	algToKeyType: algToKeyType
+};
+
+var assert = require('assert-plus');
+var Buffer = require('safer-buffer').Buffer;
+var algs = require('../algs');
+var utils = require('../utils');
+var Key = require('../key');
+var PrivateKey = require('../private-key');
+var SSHBuffer = require('../ssh-buffer');
+
+function algToKeyType(alg) {
+	assert.string(alg);
+	if (alg === 'ssh-dss')
+		return ('dsa');
+	else if (alg === 'ssh-rsa')
+		return ('rsa');
+	else if (alg === 'ssh-ed25519')
+		return ('ed25519');
+	else if (alg === 'ssh-curve25519')
+		return ('curve25519');
+	else if (alg.match(/^ecdsa-sha2-/))
+		return ('ecdsa');
+	else
+		throw (new Error('Unknown algorithm ' + alg));
+}
+
+function keyTypeToAlg(key) {
+	assert.object(key);
+	if (key.type === 'dsa')
+		return ('ssh-dss');
+	else if (key.type === 'rsa')
+		return ('ssh-rsa');
+	else if (key.type === 'ed25519')
+		return ('ssh-ed25519');
+	else if (key.type === 'curve25519')
+		return ('ssh-curve25519');
+	else if (key.type === 'ecdsa')
+		return ('ecdsa-sha2-' + key.part.curve.data.toString());
+	else
+		throw (new Error('Unknown key type ' + key.type));
+}
+
+function read(partial, type, buf, options) {
+	if (typeof (buf) === 'string')
+		buf = Buffer.from(buf);
+	assert.buffer(buf, 'buf');
+
+	var key = {};
+
+	var parts = key.parts = [];
+	var sshbuf = new SSHBuffer({buffer: buf});
+
+	var alg = sshbuf.readString();
+	assert.ok(!sshbuf.atEnd(), 'key must have at least one part');
+
+	key.type = algToKeyType(alg);
+
+	var partCount = algs.info[key.type].parts.length;
+	if (type && type === 'private')
+		partCount = algs.privInfo[key.type].parts.length;
+
+	while (!sshbuf.atEnd() && parts.length < partCount)
+		parts.push(sshbuf.readPart());
+	while (!partial && !sshbuf.atEnd())
+		parts.push(sshbuf.readPart());
+
+	assert.ok(parts.length >= 1,
+	    'key must have at least one part');
+	assert.ok(partial || sshbuf.atEnd(),
+	    'leftover bytes at end of key');
+
+	var Constructor = Key;
+	var algInfo = algs.info[key.type];
+	if (type === 'private' || algInfo.parts.length !== parts.length) {
+		algInfo = algs.privInfo[key.type];
+		Constructor = PrivateKey;
+	}
+	assert.strictEqual(algInfo.parts.length, parts.length);
+
+	if (key.type === 'ecdsa') {
+		var res = /^ecdsa-sha2-(.+)$/.exec(alg);
+		assert.ok(res !== null);
+		assert.strictEqual(res[1], parts[0].data.toString());
+	}
+
+	var normalized = true;
+	for (var i = 0; i < algInfo.parts.length; ++i) {
+		var p = parts[i];
+		p.name = algInfo.parts[i];
+		/*
+		 * OpenSSH stores ed25519 "private" keys as seed + public key
+		 * concat'd together (k followed by A). We want to keep them
+		 * separate for other formats that don't do this.
+		 */
+		if (key.type === 'ed25519' && p.name === 'k')
+			p.data = p.data.slice(0, 32);
+
+		if (p.name !== 'curve' && algInfo.normalize !== false) {
+			var nd;
+			if (key.type === 'ed25519') {
+				nd = utils.zeroPadToLength(p.data, 32);
+			} else {
+				nd = utils.mpNormalize(p.data);
+			}
+			if (nd.toString('binary') !==
+			    p.data.toString('binary')) {
+				p.data = nd;
+				normalized = false;
+			}
+		}
+	}
+
+	if (normalized)
+		key._rfc4253Cache = sshbuf.toBuffer();
+
+	if (partial && typeof (partial) === 'object') {
+		partial.remainder = sshbuf.remainder();
+		partial.consumed = sshbuf._offset;
+	}
+
+	return (new Constructor(key));
+}
+
+function write(key, options) {
+	assert.object(key);
+
+	var alg = keyTypeToAlg(key);
+	var i;
+
+	var algInfo = algs.info[key.type];
+	if (PrivateKey.isPrivateKey(key))
+		algInfo = algs.privInfo[key.type];
+	var parts = algInfo.parts;
+
+	var buf = new SSHBuffer({});
+
+	buf.writeString(alg);
+
+	for (i = 0; i < parts.length; ++i) {
+		var data = key.part[parts[i]].data;
+		if (algInfo.normalize !== false) {
+			if (key.type === 'ed25519')
+				data = utils.zeroPadToLength(data, 32);
+			else
+				data = utils.mpNormalize(data);
+		}
+		if (key.type === 'ed25519' && parts[i] === 'k')
+			data = Buffer.concat([data, key.part.A.data]);
+		buf.writeBuffer(data);
+	}
+
+	return (buf.toBuffer());
+}
diff --git a/node_modules/sshpk/lib/formats/ssh-private.js b/node_modules/sshpk/lib/formats/ssh-private.js
new file mode 100644
index 000000000..5e7eed887
--- /dev/null
+++ b/node_modules/sshpk/lib/formats/ssh-private.js
@@ -0,0 +1,262 @@
+// Copyright 2015 Joyent, Inc.
+
+module.exports = {
+	read: read,
+	readSSHPrivate: readSSHPrivate,
+	write: write
+};
+
+var assert = require('assert-plus');
+var asn1 = require('asn1');
+var Buffer = require('safer-buffer').Buffer;
+var algs = require('../algs');
+var utils = require('../utils');
+var crypto = require('crypto');
+
+var Key = require('../key');
+var PrivateKey = require('../private-key');
+var pem = require('./pem');
+var rfc4253 = require('./rfc4253');
+var SSHBuffer = require('../ssh-buffer');
+var errors = require('../errors');
+
+var bcrypt;
+
+function read(buf, options) {
+	return (pem.read(buf, options));
+}
+
+var MAGIC = 'openssh-key-v1';
+
+function readSSHPrivate(type, buf, options) {
+	buf = new SSHBuffer({buffer: buf});
+
+	var magic = buf.readCString();
+	assert.strictEqual(magic, MAGIC, 'bad magic string');
+
+	var cipher = buf.readString();
+	var kdf = buf.readString();
+	var kdfOpts = buf.readBuffer();
+
+	var nkeys = buf.readInt();
+	if (nkeys !== 1) {
+		throw (new Error('OpenSSH-format key file contains ' +
+		    'multiple keys: this is unsupported.'));
+	}
+
+	var pubKey = buf.readBuffer();
+
+	if (type === 'public') {
+		assert.ok(buf.atEnd(), 'excess bytes left after key');
+		return (rfc4253.read(pubKey));
+	}
+
+	var privKeyBlob = buf.readBuffer();
+	assert.ok(buf.atEnd(), 'excess bytes left after key');
+
+	var kdfOptsBuf = new SSHBuffer({ buffer: kdfOpts });
+	switch (kdf) {
+	case 'none':
+		if (cipher !== 'none') {
+			throw (new Error('OpenSSH-format key uses KDF "none" ' +
+			     'but specifies a cipher other than "none"'));
+		}
+		break;
+	case 'bcrypt':
+		var salt = kdfOptsBuf.readBuffer();
+		var rounds = kdfOptsBuf.readInt();
+		var cinf = utils.opensshCipherInfo(cipher);
+		if (bcrypt === undefined) {
+			bcrypt = require('bcrypt-pbkdf');
+		}
+
+		if (typeof (options.passphrase) === 'string') {
+			options.passphrase = Buffer.from(options.passphrase,
+			    'utf-8');
+		}
+		if (!Buffer.isBuffer(options.passphrase)) {
+			throw (new errors.KeyEncryptedError(
+			    options.filename, 'OpenSSH'));
+		}
+
+		var pass = new Uint8Array(options.passphrase);
+		var salti = new Uint8Array(salt);
+		/* Use the pbkdf to derive both the key and the IV. */
+		var out = new Uint8Array(cinf.keySize + cinf.blockSize);
+		var res = bcrypt.pbkdf(pass, pass.length, salti, salti.length,
+		    out, out.length, rounds);
+		if (res !== 0) {
+			throw (new Error('bcrypt_pbkdf function returned ' +
+			    'failure, parameters invalid'));
+		}
+		out = Buffer.from(out);
+		var ckey = out.slice(0, cinf.keySize);
+		var iv = out.slice(cinf.keySize, cinf.keySize + cinf.blockSize);
+		var cipherStream = crypto.createDecipheriv(cinf.opensslName,
+		    ckey, iv);
+		cipherStream.setAutoPadding(false);
+		var chunk, chunks = [];
+		cipherStream.once('error', function (e) {
+			if (e.toString().indexOf('bad decrypt') !== -1) {
+				throw (new Error('Incorrect passphrase ' +
+				    'supplied, could not decrypt key'));
+			}
+			throw (e);
+		});
+		cipherStream.write(privKeyBlob);
+		cipherStream.end();
+		while ((chunk = cipherStream.read()) !== null)
+			chunks.push(chunk);
+		privKeyBlob = Buffer.concat(chunks);
+		break;
+	default:
+		throw (new Error(
+		    'OpenSSH-format key uses unknown KDF "' + kdf + '"'));
+	}
+
+	buf = new SSHBuffer({buffer: privKeyBlob});
+
+	var checkInt1 = buf.readInt();
+	var checkInt2 = buf.readInt();
+	if (checkInt1 !== checkInt2) {
+		throw (new Error('Incorrect passphrase supplied, could not ' +
+		    'decrypt key'));
+	}
+
+	var ret = {};
+	var key = rfc4253.readInternal(ret, 'private', buf.remainder());
+
+	buf.skip(ret.consumed);
+
+	var comment = buf.readString();
+	key.comment = comment;
+
+	return (key);
+}
+
+function write(key, options) {
+	var pubKey;
+	if (PrivateKey.isPrivateKey(key))
+		pubKey = key.toPublic();
+	else
+		pubKey = key;
+
+	var cipher = 'none';
+	var kdf = 'none';
+	var kdfopts = Buffer.alloc(0);
+	var cinf = { blockSize: 8 };
+	var passphrase;
+	if (options !== undefined) {
+		passphrase = options.passphrase;
+		if (typeof (passphrase) === 'string')
+			passphrase = Buffer.from(passphrase, 'utf-8');
+		if (passphrase !== undefined) {
+			assert.buffer(passphrase, 'options.passphrase');
+			assert.optionalString(options.cipher, 'options.cipher');
+			cipher = options.cipher;
+			if (cipher === undefined)
+				cipher = 'aes128-ctr';
+			cinf = utils.opensshCipherInfo(cipher);
+			kdf = 'bcrypt';
+		}
+	}
+
+	var privBuf;
+	if (PrivateKey.isPrivateKey(key)) {
+		privBuf = new SSHBuffer({});
+		var checkInt = crypto.randomBytes(4).readUInt32BE(0);
+		privBuf.writeInt(checkInt);
+		privBuf.writeInt(checkInt);
+		privBuf.write(key.toBuffer('rfc4253'));
+		privBuf.writeString(key.comment || '');
+
+		var n = 1;
+		while (privBuf._offset % cinf.blockSize !== 0)
+			privBuf.writeChar(n++);
+		privBuf = privBuf.toBuffer();
+	}
+
+	switch (kdf) {
+	case 'none':
+		break;
+	case 'bcrypt':
+		var salt = crypto.randomBytes(16);
+		var rounds = 16;
+		var kdfssh = new SSHBuffer({});
+		kdfssh.writeBuffer(salt);
+		kdfssh.writeInt(rounds);
+		kdfopts = kdfssh.toBuffer();
+
+		if (bcrypt === undefined) {
+			bcrypt = require('bcrypt-pbkdf');
+		}
+		var pass = new Uint8Array(passphrase);
+		var salti = new Uint8Array(salt);
+		/* Use the pbkdf to derive both the key and the IV. */
+		var out = new Uint8Array(cinf.keySize + cinf.blockSize);
+		var res = bcrypt.pbkdf(pass, pass.length, salti, salti.length,
+		    out, out.length, rounds);
+		if (res !== 0) {
+			throw (new Error('bcrypt_pbkdf function returned ' +
+			    'failure, parameters invalid'));
+		}
+		out = Buffer.from(out);
+		var ckey = out.slice(0, cinf.keySize);
+		var iv = out.slice(cinf.keySize, cinf.keySize + cinf.blockSize);
+
+		var cipherStream = crypto.createCipheriv(cinf.opensslName,
+		    ckey, iv);
+		cipherStream.setAutoPadding(false);
+		var chunk, chunks = [];
+		cipherStream.once('error', function (e) {
+			throw (e);
+		});
+		cipherStream.write(privBuf);
+		cipherStream.end();
+		while ((chunk = cipherStream.read()) !== null)
+			chunks.push(chunk);
+		privBuf = Buffer.concat(chunks);
+		break;
+	default:
+		throw (new Error('Unsupported kdf ' + kdf));
+	}
+
+	var buf = new SSHBuffer({});
+
+	buf.writeCString(MAGIC);
+	buf.writeString(cipher);	/* cipher */
+	buf.writeString(kdf);		/* kdf */
+	buf.writeBuffer(kdfopts);	/* kdfoptions */
+
+	buf.writeInt(1);		/* nkeys */
+	buf.writeBuffer(pubKey.toBuffer('rfc4253'));
+
+	if (privBuf)
+		buf.writeBuffer(privBuf);
+
+	buf = buf.toBuffer();
+
+	var header;
+	if (PrivateKey.isPrivateKey(key))
+		header = 'OPENSSH PRIVATE KEY';
+	else
+		header = 'OPENSSH PUBLIC KEY';
+
+	var tmp = buf.toString('base64');
+	var len = tmp.length + (tmp.length / 70) +
+	    18 + 16 + header.length*2 + 10;
+	buf = Buffer.alloc(len);
+	var o = 0;
+	o += buf.write('-----BEGIN ' + header + '-----\n', o);
+	for (var i = 0; i < tmp.length; ) {
+		var limit = i + 70;
+		if (limit > tmp.length)
+			limit = tmp.length;
+		o += buf.write(tmp.slice(i, limit), o);
+		buf[o++] = 10;
+		i = limit;
+	}
+	o += buf.write('-----END ' + header + '-----\n', o);
+
+	return (buf.slice(0, o));
+}
diff --git a/node_modules/sshpk/lib/formats/ssh.js b/node_modules/sshpk/lib/formats/ssh.js
new file mode 100644
index 000000000..c8e9c9310
--- /dev/null
+++ b/node_modules/sshpk/lib/formats/ssh.js
@@ -0,0 +1,115 @@
+// Copyright 2015 Joyent, Inc.
+
+module.exports = {
+	read: read,
+	write: write
+};
+
+var assert = require('assert-plus');
+var Buffer = require('safer-buffer').Buffer;
+var rfc4253 = require('./rfc4253');
+var utils = require('../utils');
+var Key = require('../key');
+var PrivateKey = require('../private-key');
+
+var sshpriv = require('./ssh-private');
+
+/*JSSTYLED*/
+var SSHKEY_RE = /^([a-z0-9-]+)[ \t]+([a-zA-Z0-9+\/]+[=]*)([ \t]+([^ \t][^\n]*[\n]*)?)?$/;
+/*JSSTYLED*/
+var SSHKEY_RE2 = /^([a-z0-9-]+)[ \t\n]+([a-zA-Z0-9+\/][a-zA-Z0-9+\/ \t\n=]*)([^a-zA-Z0-9+\/ \t\n=].*)?$/;
+
+function read(buf, options) {
+	if (typeof (buf) !== 'string') {
+		assert.buffer(buf, 'buf');
+		buf = buf.toString('ascii');
+	}
+
+	var trimmed = buf.trim().replace(/[\\\r]/g, '');
+	var m = trimmed.match(SSHKEY_RE);
+	if (!m)
+		m = trimmed.match(SSHKEY_RE2);
+	assert.ok(m, 'key must match regex');
+
+	var type = rfc4253.algToKeyType(m[1]);
+	var kbuf = Buffer.from(m[2], 'base64');
+
+	/*
+	 * This is a bit tricky. If we managed to parse the key and locate the
+	 * key comment with the regex, then do a non-partial read and assert
+	 * that we have consumed all bytes. If we couldn't locate the key
+	 * comment, though, there may be whitespace shenanigans going on that
+	 * have conjoined the comment to the rest of the key. We do a partial
+	 * read in this case to try to make the best out of a sorry situation.
+	 */
+	var key;
+	var ret = {};
+	if (m[4]) {
+		try {
+			key = rfc4253.read(kbuf);
+
+		} catch (e) {
+			m = trimmed.match(SSHKEY_RE2);
+			assert.ok(m, 'key must match regex');
+			kbuf = Buffer.from(m[2], 'base64');
+			key = rfc4253.readInternal(ret, 'public', kbuf);
+		}
+	} else {
+		key = rfc4253.readInternal(ret, 'public', kbuf);
+	}
+
+	assert.strictEqual(type, key.type);
+
+	if (m[4] && m[4].length > 0) {
+		key.comment = m[4];
+
+	} else if (ret.consumed) {
+		/*
+		 * Now the magic: trying to recover the key comment when it's
+		 * gotten conjoined to the key or otherwise shenanigan'd.
+		 *
+		 * Work out how much base64 we used, then drop all non-base64
+		 * chars from the beginning up to this point in the the string.
+		 * Then offset in this and try to make up for missing = chars.
+		 */
+		var data = m[2] + (m[3] ? m[3] : '');
+		var realOffset = Math.ceil(ret.consumed / 3) * 4;
+		data = data.slice(0, realOffset - 2). /*JSSTYLED*/
+		    replace(/[^a-zA-Z0-9+\/=]/g, '') +
+		    data.slice(realOffset - 2);
+
+		var padding = ret.consumed % 3;
+		if (padding > 0 &&
+		    data.slice(realOffset - 1, realOffset) !== '=')
+			realOffset--;
+		while (data.slice(realOffset, realOffset + 1) === '=')
+			realOffset++;
+
+		/* Finally, grab what we think is the comment & clean it up. */
+		var trailer = data.slice(realOffset);
+		trailer = trailer.replace(/[\r\n]/g, ' ').
+		    replace(/^\s+/, '');
+		if (trailer.match(/^[a-zA-Z0-9]/))
+			key.comment = trailer;
+	}
+
+	return (key);
+}
+
+function write(key, options) {
+	assert.object(key);
+	if (!Key.isKey(key))
+		throw (new Error('Must be a public key'));
+
+	var parts = [];
+	var alg = rfc4253.keyTypeToAlg(key);
+	parts.push(alg);
+
+	var buf = rfc4253.write(key);
+	parts.push(buf.toString('base64'));
+
+	if (key.comment)
+		parts.push(key.comment);
+
+	return (Buffer.from(parts.join(' ')));
+}
diff --git a/node_modules/sshpk/lib/formats/x509-pem.js b/node_modules/sshpk/lib/formats/x509-pem.js
new file mode 100644
index 000000000..3155ef0b3
--- /dev/null
+++ b/node_modules/sshpk/lib/formats/x509-pem.js
@@ -0,0 +1,88 @@
+// Copyright 2016 Joyent, Inc.
+
+var x509 = require('./x509');
+
+module.exports = {
+	read: read,
+	verify: x509.verify,
+	sign: x509.sign,
+	write: write
+};
+
+var assert = require('assert-plus');
+var asn1 = require('asn1');
+var Buffer = require('safer-buffer').Buffer;
+var algs = require('../algs');
+var utils = require('../utils');
+var Key = require('../key');
+var PrivateKey = require('../private-key');
+var pem = require('./pem');
+var Identity = require('../identity');
+var Signature = require('../signature');
+var Certificate = require('../certificate');
+
+function read(buf, options) {
+	if (typeof (buf) !== 'string') {
+		assert.buffer(buf, 'buf');
+		buf = buf.toString('ascii');
+	}
+
+	var lines = buf.trim().split(/[\r\n]+/g);
+
+	var m;
+	var si = -1;
+	while (!m && si < lines.length) {
+		m = lines[++si].match(/*JSSTYLED*/
+		    /[-]+[ ]*BEGIN CERTIFICATE[ ]*[-]+/);
+	}
+	assert.ok(m, 'invalid PEM header');
+
+	var m2;
+	var ei = lines.length;
+	while (!m2 && ei > 0) {
+		m2 = lines[--ei].match(/*JSSTYLED*/
+		    /[-]+[ ]*END CERTIFICATE[ ]*[-]+/);
+	}
+	assert.ok(m2, 'invalid PEM footer');
+
+	lines = lines.slice(si, ei + 1);
+
+	var headers = {};
+	while (true) {
+		lines = lines.slice(1);
+		m = lines[0].match(/*JSSTYLED*/
+		    /^([A-Za-z0-9-]+): (.+)$/);
+		if (!m)
+			break;
+		headers[m[1].toLowerCase()] = m[2];
+	}
+
+	/* Chop off the first and last lines */
+	lines = lines.slice(0, -1).join('');
+	buf = Buffer.from(lines, 'base64');
+
+	return (x509.read(buf, options));
+}
+
+function write(cert, options) {
+	var dbuf = x509.write(cert, options);
+
+	var header = 'CERTIFICATE';
+	var tmp = dbuf.toString('base64');
+	var len = tmp.length + (tmp.length / 64) +
+	    18 + 16 + header.length*2 + 10;
+	var buf = Buffer.alloc(len);
+	var o = 0;
+	o += buf.write('-----BEGIN ' + header + '-----\n', o);
+	for (var i = 0; i < tmp.length; ) {
+		var limit = i + 64;
+		if (limit > tmp.length)
+			limit = tmp.length;
+		o += buf.write(tmp.slice(i, limit), o);
+		buf[o++] = 10;
+		i = limit;
+	}
+	o += buf.write('-----END ' + header + '-----\n', o);
+
+	return (buf.slice(0, o));
+}
diff --git a/node_modules/sshpk/lib/formats/x509.js b/node_modules/sshpk/lib/formats/x509.js
new file mode 100644
index 000000000..0144c4449
--- /dev/null
+++ b/node_modules/sshpk/lib/formats/x509.js
@@ -0,0 +1,752 @@
+// Copyright 2017 Joyent, Inc.
+
+module.exports = {
+	read: read,
+	verify: verify,
+	sign: sign,
+	signAsync: signAsync,
+	write: write
+};
+
+var assert = require('assert-plus');
+var asn1 = require('asn1');
+var Buffer = require('safer-buffer').Buffer;
+var algs = require('../algs');
+var utils = require('../utils');
+var Key = require('../key');
+var PrivateKey = require('../private-key');
+var pem = require('./pem');
+var Identity = require('../identity');
+var Signature = require('../signature');
+var Certificate = require('../certificate');
+var pkcs8 = require('./pkcs8');
+
+/*
+ * This file is based on RFC5280 (X.509).
+ */
+
+/* Helper to read in a single mpint */
+function readMPInt(der, nm) {
+	assert.strictEqual(der.peek(), asn1.Ber.Integer,
+	    nm + ' is not an Integer');
+	return (utils.mpNormalize(der.readString(asn1.Ber.Integer, true)));
+}
+
+function verify(cert, key) {
+	var sig = cert.signatures.x509;
+	assert.object(sig, 'x509 signature');
+
+	var algParts = sig.algo.split('-');
+	if (algParts[0] !== key.type)
+		return (false);
+
+	var blob = sig.cache;
+	if (blob === undefined) {
+		var der = new asn1.BerWriter();
+		writeTBSCert(cert, der);
+		blob = der.buffer;
+	}
+
+	var verifier = key.createVerify(algParts[1]);
+	verifier.write(blob);
+	return (verifier.verify(sig.signature));
+}
+
+function Local(i) {
+	return (asn1.Ber.Context | asn1.Ber.Constructor | i);
+}
+
+function Context(i) {
+	return (asn1.Ber.Context | i);
+}
+
+var SIGN_ALGS = {
+	'rsa-md5': '1.2.840.113549.1.1.4',
+	'rsa-sha1': '1.2.840.113549.1.1.5',
+	'rsa-sha256': '1.2.840.113549.1.1.11',
+	'rsa-sha384': '1.2.840.113549.1.1.12',
+	'rsa-sha512': '1.2.840.113549.1.1.13',
+	'dsa-sha1': '1.2.840.10040.4.3',
+	'dsa-sha256': '2.16.840.1.101.3.4.3.2',
+	'ecdsa-sha1': '1.2.840.10045.4.1',
+	'ecdsa-sha256': '1.2.840.10045.4.3.2',
+	'ecdsa-sha384': '1.2.840.10045.4.3.3',
+	'ecdsa-sha512': '1.2.840.10045.4.3.4',
+	'ed25519-sha512': '1.3.101.112'
+};
+Object.keys(SIGN_ALGS).forEach(function (k) {
+	SIGN_ALGS[SIGN_ALGS[k]] = k;
+});
+SIGN_ALGS['1.3.14.3.2.3'] = 'rsa-md5';
+SIGN_ALGS['1.3.14.3.2.29'] = 'rsa-sha1';
+
+var EXTS = {
+	'issuerKeyId': '2.5.29.35',
+	'altName': '2.5.29.17',
+	'basicConstraints': '2.5.29.19',
+	'keyUsage': '2.5.29.15',
+	'extKeyUsage': '2.5.29.37'
+};
+
+function read(buf, options) {
+	if (typeof (buf) === 'string') {
+		buf = Buffer.from(buf, 'binary');
+	}
+	assert.buffer(buf, 'buf');
+
+	var der = new asn1.BerReader(buf);
+
+	der.readSequence();
+	if (Math.abs(der.length - der.remain) > 1) {
+		throw (new Error('DER sequence does not contain whole byte ' +
+		    'stream'));
+	}
+
+	var tbsStart = der.offset;
+	der.readSequence();
+	var sigOffset = der.offset + der.length;
+	var tbsEnd = sigOffset;
+
+	if (der.peek() === Local(0)) {
+		der.readSequence(Local(0));
+		var version = der.readInt();
+		assert.ok(version <= 3,
+		    'only x.509 versions up to v3 supported');
+	}
+
+	var cert = {};
+	cert.signatures = {};
+	var sig = (cert.signatures.x509 = {});
+	sig.extras = {};
+
+	cert.serial = readMPInt(der, 'serial');
+
+	der.readSequence();
+	var after = der.offset + der.length;
+	var certAlgOid = der.readOID();
+	var certAlg = SIGN_ALGS[certAlgOid];
+	if (certAlg === undefined)
+		throw (new Error('unknown signature algorithm ' + certAlgOid));
+
+	der._offset = after;
+	cert.issuer = Identity.parseAsn1(der);
+
+	der.readSequence();
+	cert.validFrom = readDate(der);
+	cert.validUntil = readDate(der);
+
+	cert.subjects = [Identity.parseAsn1(der)];
+
+	der.readSequence();
+	after = der.offset + der.length;
+	cert.subjectKey = pkcs8.readPkcs8(undefined, 'public', der);
+	der._offset = after;
+
+	/* issuerUniqueID */
+	if (der.peek() === Local(1)) {
+		der.readSequence(Local(1));
+		sig.extras.issuerUniqueID =
+		    buf.slice(der.offset, der.offset + der.length);
+		der._offset += der.length;
+	}
+
+	/* subjectUniqueID */
+	if (der.peek() === Local(2)) {
+		der.readSequence(Local(2));
+		sig.extras.subjectUniqueID =
+		    buf.slice(der.offset, der.offset + der.length);
+		der._offset += der.length;
+	}
+
+	/* extensions */
+	if (der.peek() === Local(3)) {
+		der.readSequence(Local(3));
+		var extEnd = der.offset + der.length;
+		der.readSequence();
+
+		while (der.offset < extEnd)
+			readExtension(cert, buf, der);
+
+		assert.strictEqual(der.offset, extEnd);
+	}
+
+	assert.strictEqual(der.offset, sigOffset);
+
+	der.readSequence();
+	after = der.offset + der.length;
+	var sigAlgOid = der.readOID();
+	var sigAlg = SIGN_ALGS[sigAlgOid];
+	if (sigAlg === undefined)
+		throw (new Error('unknown signature algorithm ' + sigAlgOid));
+	der._offset = after;
+
+	var sigData = der.readString(asn1.Ber.BitString, true);
+	if (sigData[0] === 0)
+		sigData = sigData.slice(1);
+	var algParts = sigAlg.split('-');
+
+	sig.signature = Signature.parse(sigData, algParts[0], 'asn1');
+	sig.signature.hashAlgorithm = algParts[1];
+	sig.algo = sigAlg;
+	sig.cache = buf.slice(tbsStart, tbsEnd);
+
+	return (new Certificate(cert));
+}
+
+function readDate(der) {
+	if (der.peek() === asn1.Ber.UTCTime) {
+		return (utcTimeToDate(der.readString(asn1.Ber.UTCTime)));
+	} else if (der.peek() === asn1.Ber.GeneralizedTime) {
+		return (gTimeToDate(der.readString(asn1.Ber.GeneralizedTime)));
+	} else {
+		throw (new Error('Unsupported date format'));
+	}
+}
+
+function writeDate(der, date) {
+	if (date.getUTCFullYear() >= 2050 || date.getUTCFullYear() < 1950) {
+		der.writeString(dateToGTime(date), asn1.Ber.GeneralizedTime);
+	} else {
+		der.writeString(dateToUTCTime(date), asn1.Ber.UTCTime);
+	}
+}
+
+/* RFC5280, section 4.2.1.6 (GeneralName type) */
+var ALTNAME = {
+	OtherName: Local(0),
+	RFC822Name: Context(1),
+	DNSName: Context(2),
+	X400Address: Local(3),
+	DirectoryName: Local(4),
+	EDIPartyName: Local(5),
+	URI: Context(6),
+	IPAddress: Context(7),
+	OID: Context(8)
+};
+
+/* RFC5280, section 4.2.1.12 (KeyPurposeId) */
+var EXTPURPOSE = {
+	'serverAuth': '1.3.6.1.5.5.7.3.1',
+	'clientAuth': '1.3.6.1.5.5.7.3.2',
+	'codeSigning': '1.3.6.1.5.5.7.3.3',
+
+	/* See https://github.com/joyent/oid-docs/blob/master/root.md */
+	'joyentDocker': '1.3.6.1.4.1.38678.1.4.1',
+	'joyentCmon': '1.3.6.1.4.1.38678.1.4.2'
+};
+var EXTPURPOSE_REV = {};
+Object.keys(EXTPURPOSE).forEach(function (k) {
+	EXTPURPOSE_REV[EXTPURPOSE[k]] = k;
+});
+
+var KEYUSEBITS = [
+	'signature', 'identity', 'keyEncryption',
+	'encryption', 'keyAgreement', 'ca', 'crl'
+];
+
+function readExtension(cert, buf, der) {
+	der.readSequence();
+	var after = der.offset + der.length;
+	var extId = der.readOID();
+	var id;
+	var sig = cert.signatures.x509;
+	if (!sig.extras.exts)
+		sig.extras.exts = [];
+
+	var critical;
+	if (der.peek() === asn1.Ber.Boolean)
+		critical = der.readBoolean();
+
+	switch (extId) {
+	case (EXTS.basicConstraints):
+		der.readSequence(asn1.Ber.OctetString);
+		der.readSequence();
+		var bcEnd = der.offset + der.length;
+		var ca = false;
+		if (der.peek() === asn1.Ber.Boolean)
+			ca = der.readBoolean();
+		if (cert.purposes === undefined)
+			cert.purposes = [];
+		if (ca === true)
+			cert.purposes.push('ca');
+		var bc = { oid: extId, critical: critical };
+		if (der.offset < bcEnd && der.peek() === asn1.Ber.Integer)
+			bc.pathLen = der.readInt();
+		sig.extras.exts.push(bc);
+		break;
+	case (EXTS.extKeyUsage):
+		der.readSequence(asn1.Ber.OctetString);
+		der.readSequence();
+		if (cert.purposes === undefined)
+			cert.purposes = [];
+		var ekEnd = der.offset + der.length;
+		while (der.offset < ekEnd) {
+			var oid = der.readOID();
+			cert.purposes.push(EXTPURPOSE_REV[oid] || oid);
+		}
+		/*
+		 * This is a bit of a hack: in the case where we have a cert
+		 * that's only allowed to do serverAuth or clientAuth (and not
+		 * the other), we want to make sure all our Subjects are of
+		 * the right type. But we already parsed our Subjects and
+		 * decided if they were hosts or users earlier (since it appears
+		 * first in the cert).
+		 *
+		 * So we go through and mutate them into the right kind here if
+		 * it doesn't match. This might not be hugely beneficial, as it
+		 * seems that single-purpose certs are not often seen in the
+		 * wild.
+		 */
+		if (cert.purposes.indexOf('serverAuth') !== -1 &&
+		    cert.purposes.indexOf('clientAuth') === -1) {
+			cert.subjects.forEach(function (ide) {
+				if (ide.type !== 'host') {
+					ide.type = 'host';
+					ide.hostname = ide.uid ||
+					    ide.email ||
+					    ide.components[0].value;
+				}
+			});
+		} else if (cert.purposes.indexOf('clientAuth') !== -1 &&
+		    cert.purposes.indexOf('serverAuth') === -1) {
+			cert.subjects.forEach(function (ide) {
+				if (ide.type !== 'user') {
+					ide.type = 'user';
+					ide.uid = ide.hostname ||
+					    ide.email ||
+					    ide.components[0].value;
+				}
+			});
+		}
+		sig.extras.exts.push({ oid: extId, critical: critical });
+		break;
+	case (EXTS.keyUsage):
+		der.readSequence(asn1.Ber.OctetString);
+		var bits = der.readString(asn1.Ber.BitString, true);
+		var setBits = readBitField(bits, KEYUSEBITS);
+		setBits.forEach(function (bit) {
+			if (cert.purposes === undefined)
+				cert.purposes = [];
+			if (cert.purposes.indexOf(bit) === -1)
+				cert.purposes.push(bit);
+		});
+		sig.extras.exts.push({ oid: extId, critical: critical,
+		    bits: bits });
+		break;
+	case (EXTS.altName):
+		der.readSequence(asn1.Ber.OctetString);
+		der.readSequence();
+		var aeEnd = der.offset + der.length;
+		while (der.offset < aeEnd) {
+			switch (der.peek()) {
+			case ALTNAME.OtherName:
+			case ALTNAME.EDIPartyName:
+				der.readSequence();
+				der._offset += der.length;
+				break;
+			case ALTNAME.OID:
+				der.readOID(ALTNAME.OID);
+				break;
+			case ALTNAME.RFC822Name:
+				/* RFC822 specifies email addresses */
+				var email = der.readString(ALTNAME.RFC822Name);
+				id = Identity.forEmail(email);
+				if (!cert.subjects[0].equals(id))
+					cert.subjects.push(id);
+				break;
+			case ALTNAME.DirectoryName:
+				der.readSequence(ALTNAME.DirectoryName);
+				id = Identity.parseAsn1(der);
+				if (!cert.subjects[0].equals(id))
+					cert.subjects.push(id);
+				break;
+			case ALTNAME.DNSName:
+				var host = der.readString(
+				    ALTNAME.DNSName);
+				id = Identity.forHost(host);
+				if (!cert.subjects[0].equals(id))
+					cert.subjects.push(id);
+				break;
+			default:
+				der.readString(der.peek());
+				break;
+			}
+		}
+		sig.extras.exts.push({ oid: extId, critical: critical });
+		break;
+	default:
+		sig.extras.exts.push({
+			oid: extId,
+			critical: critical,
+			data: der.readString(asn1.Ber.OctetString, true)
+		});
+		break;
+	}
+
+	der._offset = after;
+}
+
+var UTCTIME_RE =
+    /^([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})?Z$/;
+function utcTimeToDate(t) {
+	var m = t.match(UTCTIME_RE);
+	assert.ok(m, 'timestamps must be in UTC');
+	var d = new Date();
+
+	var thisYear = d.getUTCFullYear();
+	var century = Math.floor(thisYear / 100) * 100;
+
+	var year = parseInt(m[1], 10);
+	if (thisYear % 100 < 50 && year >= 60)
+		year += (century - 1);
+	else
+		year += century;
+	d.setUTCFullYear(year, parseInt(m[2], 10) - 1, parseInt(m[3], 10));
+	d.setUTCHours(parseInt(m[4], 10), parseInt(m[5], 10));
+	if (m[6] && m[6].length > 0)
+		d.setUTCSeconds(parseInt(m[6], 10));
+	return (d);
+}
+
+var GTIME_RE =
+    /^([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})?Z$/;
+function gTimeToDate(t) {
+	var m = t.match(GTIME_RE);
+	assert.ok(m);
+	var d = new Date();
+
+	d.setUTCFullYear(parseInt(m[1], 10), parseInt(m[2], 10) - 1,
+	    parseInt(m[3], 10));
+	d.setUTCHours(parseInt(m[4], 10), parseInt(m[5], 10));
+	if (m[6] && m[6].length > 0)
+		d.setUTCSeconds(parseInt(m[6], 10));
+	return (d);
+}
+
+function zeroPad(n, m) {
+	if (m === undefined)
+		m = 2;
+	var s = '' + n;
+	while (s.length < m)
+		s = '0' + s;
+	return (s);
+}
+
+function dateToUTCTime(d) {
+	var s = '';
+	s += zeroPad(d.getUTCFullYear() % 100);
+	s += zeroPad(d.getUTCMonth() + 1);
+	s += zeroPad(d.getUTCDate());
+	s += zeroPad(d.getUTCHours());
+	s += zeroPad(d.getUTCMinutes());
+	s += zeroPad(d.getUTCSeconds());
+	s += 'Z';
+	return (s);
+}
+
+function dateToGTime(d) {
+	var s = '';
+	s += zeroPad(d.getUTCFullYear(), 4);
+	s += zeroPad(d.getUTCMonth() + 1);
+	s += zeroPad(d.getUTCDate());
+	s += zeroPad(d.getUTCHours());
+	s += zeroPad(d.getUTCMinutes());
+	s += zeroPad(d.getUTCSeconds());
+	s += 'Z';
+	return (s);
+}
+
+function sign(cert, key) {
+	if (cert.signatures.x509 === undefined)
+		cert.signatures.x509 = {};
+	var sig = cert.signatures.x509;
+
+	sig.algo = key.type + '-' + key.defaultHashAlgorithm();
+	if (SIGN_ALGS[sig.algo] === undefined)
+		return (false);
+
+	var der = new asn1.BerWriter();
+	writeTBSCert(cert, der);
+	var blob = der.buffer;
+	sig.cache = blob;
+
+	var signer = key.createSign();
+	signer.write(blob);
+	cert.signatures.x509.signature = signer.sign();
+
+	return (true);
+}
+
+function signAsync(cert, signer, done) {
+	if (cert.signatures.x509 === undefined)
+		cert.signatures.x509 = {};
+	var sig = cert.signatures.x509;
+
+	var der = new asn1.BerWriter();
+	writeTBSCert(cert, der);
+	var blob = der.buffer;
+	sig.cache = blob;
+
+	signer(blob, function (err, signature) {
+		if (err) {
+			done(err);
+			return;
+		}
+		sig.algo = signature.type + '-' + signature.hashAlgorithm;
+		if (SIGN_ALGS[sig.algo] === undefined) {
+			done(new Error('Invalid signing algorithm "' +
+			    sig.algo + '"'));
+			return;
+		}
+		sig.signature = signature;
+		done();
+	});
+}
+
+function write(cert, options) {
+	var sig = cert.signatures.x509;
+	assert.object(sig, 'x509 signature');
+
+	var der = new asn1.BerWriter();
+	der.startSequence();
+	if (sig.cache) {
+		der._ensure(sig.cache.length);
+		sig.cache.copy(der._buf, der._offset);
+		der._offset += sig.cache.length;
+	} else {
+		writeTBSCert(cert, der);
+	}
+
+	der.startSequence();
+	der.writeOID(SIGN_ALGS[sig.algo]);
+	if (sig.algo.match(/^rsa-/))
+		der.writeNull();
+	der.endSequence();
+
+	var sigData = sig.signature.toBuffer('asn1');
+	var data = Buffer.alloc(sigData.length + 1);
+	data[0] = 0;
+	sigData.copy(data, 1);
+	der.writeBuffer(data, asn1.Ber.BitString);
+	der.endSequence();
+
+	return (der.buffer);
+}
+
+function writeTBSCert(cert, der) {
+	var sig = cert.signatures.x509;
+	assert.object(sig, 'x509 signature');
+
+	der.startSequence();
+
+	der.startSequence(Local(0));
+	der.writeInt(2);
+	der.endSequence();
+
+	der.writeBuffer(utils.mpNormalize(cert.serial), asn1.Ber.Integer);
+
+	der.startSequence();
+	der.writeOID(SIGN_ALGS[sig.algo]);
+	if (sig.algo.match(/^rsa-/))
+		der.writeNull();
+	der.endSequence();
+
+	cert.issuer.toAsn1(der);
+
+	der.startSequence();
+	writeDate(der, cert.validFrom);
+	writeDate(der, cert.validUntil);
+	der.endSequence();
+
+	var subject = cert.subjects[0];
+	var altNames = cert.subjects.slice(1);
+	subject.toAsn1(der);
+
+	pkcs8.writePkcs8(der, cert.subjectKey);
+
+	if (sig.extras && sig.extras.issuerUniqueID) {
+		der.writeBuffer(sig.extras.issuerUniqueID, Local(1));
+	}
+
+	if (sig.extras && sig.extras.subjectUniqueID) {
+		der.writeBuffer(sig.extras.subjectUniqueID, Local(2));
+	}
+
+	if (altNames.length > 0 || subject.type === 'host' ||
+	    (cert.purposes !== undefined && cert.purposes.length > 0) ||
+	    (sig.extras && sig.extras.exts)) {
+		der.startSequence(Local(3));
+		der.startSequence();
+
+		var exts = [];
+		if (cert.purposes !== undefined && cert.purposes.length > 0) {
+			exts.push({
+				oid: EXTS.basicConstraints,
+				critical: true
+			});
+			exts.push({
+				oid: EXTS.keyUsage,
+				critical: true
+			});
+			exts.push({
+				oid: EXTS.extKeyUsage,
+				critical: true
+			});
+		}
+		exts.push({ oid: EXTS.altName });
+		if (sig.extras && sig.extras.exts)
+			exts = sig.extras.exts;
+
+		for (var i = 0; i < exts.length; ++i) {
+			der.startSequence();
+			der.writeOID(exts[i].oid);
+
+			if (exts[i].critical !== undefined)
+				der.writeBoolean(exts[i].critical);
+
+			if (exts[i].oid === EXTS.altName) {
+				der.startSequence(asn1.Ber.OctetString);
+				der.startSequence();
+				if (subject.type === 'host') {
+					der.writeString(subject.hostname,
+					    Context(2));
+				}
+				for (var j = 0; j < altNames.length; ++j) {
+					if (altNames[j].type === 'host') {
+						der.writeString(
+						    altNames[j].hostname,
+						    ALTNAME.DNSName);
+					} else if (altNames[j].type ===
+					    'email') {
+						der.writeString(
+						    altNames[j].email,
+						    ALTNAME.RFC822Name);
+					} else {
+						/*
+						 * Encode anything else as a
+						 * DN style name for now.
+						 */
+						der.startSequence(
+						    ALTNAME.DirectoryName);
+						altNames[j].toAsn1(der);
+						der.endSequence();
+					}
+				}
+				der.endSequence();
+				der.endSequence();
+			} else if (exts[i].oid === EXTS.basicConstraints) {
+				der.startSequence(asn1.Ber.OctetString);
+				der.startSequence();
+				var ca = (cert.purposes.indexOf('ca') !== -1);
+				var pathLen = exts[i].pathLen;
+				der.writeBoolean(ca);
+				if (pathLen !== undefined)
+					der.writeInt(pathLen);
+				der.endSequence();
+				der.endSequence();
+			} else if (exts[i].oid === EXTS.extKeyUsage) {
+				der.startSequence(asn1.Ber.OctetString);
+				der.startSequence();
+				cert.purposes.forEach(function (purpose) {
+					if (purpose === 'ca')
+						return;
+					if (KEYUSEBITS.indexOf(purpose) !== -1)
+						return;
+					var oid = purpose;
+					if (EXTPURPOSE[purpose] !== undefined)
+						oid = EXTPURPOSE[purpose];
+					der.writeOID(oid);
+				});
+				der.endSequence();
+				der.endSequence();
+			} else if (exts[i].oid === EXTS.keyUsage) {
+				der.startSequence(asn1.Ber.OctetString);
+				/*
+				 * If we parsed this certificate from a byte
+				 * stream (i.e. we didn't generate it in sshpk)
+				 * then we'll have a ".bits" property on the
+				 * ext with the original raw byte contents.
+				 *
+				 * If we have this, use it here instead of
+				 * regenerating it. This guarantees we output
+				 * the same data we parsed, so signatures still
+				 * validate.
+				 */
+				if (exts[i].bits !== undefined) {
+					der.writeBuffer(exts[i].bits,
+					    asn1.Ber.BitString);
+				} else {
+					var bits = writeBitField(cert.purposes,
+					    KEYUSEBITS);
+					der.writeBuffer(bits,
+					    asn1.Ber.BitString);
+				}
+				der.endSequence();
+			} else {
+				der.writeBuffer(exts[i].data,
+				    asn1.Ber.OctetString);
+			}
+
+			der.endSequence();
+		}
+
+		der.endSequence();
+		der.endSequence();
+	}
+
+	der.endSequence();
+}
+
+/*
+ * Reads an ASN.1 BER bitfield out of the Buffer produced by doing
+ * `BerReader#readString(asn1.Ber.BitString)`. That function gives us the raw
+ * contents of the BitString tag, which is a count of unused bits followed by
+ * the bits as a right-padded byte string.
+ *
+ * `bits` is the Buffer, `bitIndex` should contain an array of string names
+ * for the bits in the string, ordered starting with bit #0 in the ASN.1 spec.
+ *
+ * Returns an array of Strings, the names of the bits that were set to 1.
+ */
+function readBitField(bits, bitIndex) {
+	var bitLen = 8 * (bits.length - 1) - bits[0];
+	var setBits = {};
+	for (var i = 0; i < bitLen; ++i) {
+		var byteN = 1 + Math.floor(i / 8);
+		var bit = 7 - (i % 8);
+		var mask = 1 << bit;
+		var bitVal = ((bits[byteN] & mask) !== 0);
+		var name = bitIndex[i];
+		if (bitVal && typeof (name) === 'string') {
+			setBits[name] = true;
+		}
+	}
+	return (Object.keys(setBits));
+}
+
+/*
+ * `setBits` is an array of strings, containing the names for each bit that
+ * sould be set to 1. `bitIndex` is same as in `readBitField()`.
+ *
+ * Returns a Buffer, ready to be written out with `BerWriter#writeString()`.
+ */
+function writeBitField(setBits, bitIndex) {
+	var bitLen = bitIndex.length;
+	var blen = Math.ceil(bitLen / 8);
+	var unused = blen * 8 - bitLen;
+	var bits = Buffer.alloc(1 + blen); // zero-filled
+	bits[0] = unused;
+	for (var i = 0; i < bitLen; ++i) {
+		var byteN = 1 + Math.floor(i / 8);
+		var bit = 7 - (i % 8);
+		var mask = 1 << bit;
+		var name = bitIndex[i];
+		if (name === undefined)
+			continue;
+		var bitVal = (setBits.indexOf(name) !== -1);
+		if (bitVal) {
+			bits[byteN] |= mask;
+		}
+	}
+	return (bits);
+}
diff --git a/node_modules/sshpk/lib/identity.js b/node_modules/sshpk/lib/identity.js
new file mode 100644
index 000000000..7d75b6671
--- /dev/null
+++ b/node_modules/sshpk/lib/identity.js
@@ -0,0 +1,373 @@
+// Copyright 2017 Joyent, Inc.
+
+module.exports = Identity;
+
+var assert = require('assert-plus');
+var algs = require('./algs');
+var crypto = require('crypto');
+var Fingerprint = require('./fingerprint');
+var Signature = require('./signature');
+var errs = require('./errors');
+var util = require('util');
+var utils = require('./utils');
+var asn1 = require('asn1');
+var Buffer = require('safer-buffer').Buffer;
+
+/*JSSTYLED*/
+var DNS_NAME_RE = /^([*]|[a-z0-9][a-z0-9\-]{0,62})(?:\.([*]|[a-z0-9][a-z0-9\-]{0,62}))*$/i;
+
+var oids = {};
+oids.cn = '2.5.4.3';
+oids.o = '2.5.4.10';
+oids.ou = '2.5.4.11';
+oids.l = '2.5.4.7';
+oids.s = '2.5.4.8';
+oids.c = '2.5.4.6';
+oids.sn = '2.5.4.4';
+oids.postalCode = '2.5.4.17';
+oids.serialNumber = '2.5.4.5';
+oids.street = '2.5.4.9';
+oids.x500UniqueIdentifier = '2.5.4.45';
+oids.role = '2.5.4.72';
+oids.telephoneNumber = '2.5.4.20';
+oids.description = '2.5.4.13';
+oids.dc = '0.9.2342.19200300.100.1.25';
+oids.uid = '0.9.2342.19200300.100.1.1';
+oids.mail = '0.9.2342.19200300.100.1.3';
+oids.title = '2.5.4.12';
+oids.gn = '2.5.4.42';
+oids.initials = '2.5.4.43';
+oids.pseudonym = '2.5.4.65';
+oids.emailAddress = '1.2.840.113549.1.9.1';
+
+var unoids = {};
+Object.keys(oids).forEach(function (k) {
+	unoids[oids[k]] = k;
+});
+
+function Identity(opts) {
+	var self = this;
+	assert.object(opts, 'options');
+	assert.arrayOfObject(opts.components, 'options.components');
+	this.components = opts.components;
+	this.componentLookup = {};
+	this.components.forEach(function (c) {
+		if (c.name && !c.oid)
+			c.oid = oids[c.name];
+		if (c.oid && !c.name)
+			c.name = unoids[c.oid];
+		if (self.componentLookup[c.name] === undefined)
+			self.componentLookup[c.name] = [];
+		self.componentLookup[c.name].push(c);
+	});
+	if (this.componentLookup.cn && this.componentLookup.cn.length > 0) {
+		this.cn = this.componentLookup.cn[0].value;
+	}
+	assert.optionalString(opts.type, 'options.type');
+	if (opts.type === undefined) {
+		if (this.components.length === 1 &&
+		    this.componentLookup.cn &&
+		    this.componentLookup.cn.length === 1 &&
+		    this.componentLookup.cn[0].value.match(DNS_NAME_RE)) {
+			this.type = 'host';
+			this.hostname = this.componentLookup.cn[0].value;
+
+		} else if (this.componentLookup.dc &&
+		    this.components.length === this.componentLookup.dc.length) {
+			this.type = 'host';
+			this.hostname = this.componentLookup.dc.map(
+			    function (c) {
+				return (c.value);
+			}).join('.');
+
+		} else if (this.componentLookup.uid &&
+		    this.components.length ===
+		    this.componentLookup.uid.length) {
+			this.type = 'user';
+			this.uid = this.componentLookup.uid[0].value;
+
+		} else if (this.componentLookup.cn &&
+		    this.componentLookup.cn.length === 1 &&
+		    this.componentLookup.cn[0].value.match(DNS_NAME_RE)) {
+			this.type = 'host';
+			this.hostname = this.componentLookup.cn[0].value;
+
+		} else if (this.componentLookup.uid &&
+		    this.componentLookup.uid.length === 1) {
+			this.type = 'user';
+			this.uid = this.componentLookup.uid[0].value;
+
+		} else if (this.componentLookup.mail &&
+		    this.componentLookup.mail.length === 1) {
+			this.type = 'email';
+			this.email = this.componentLookup.mail[0].value;
+
+		} else if (this.componentLookup.cn &&
+		    this.componentLookup.cn.length === 1) {
+			this.type = 'user';
+			this.uid = this.componentLookup.cn[0].value;
+
+		} else {
+			this.type = 'unknown';
+		}
+	} else {
+		this.type = opts.type;
+		if (this.type === 'host')
+			this.hostname = opts.hostname;
+		else if (this.type === 'user')
+			this.uid = opts.uid;
+		else if (this.type === 'email')
+			this.email = opts.email;
+		else
+			throw (new Error('Unknown type ' + this.type));
+	}
+}
+
+Identity.prototype.toString = function () {
+	return (this.components.map(function (c) {
+		var n = c.name.toUpperCase();
+		/*JSSTYLED*/
+		n = n.replace(/=/g, '\\=');
+		var v = c.value;
+		/*JSSTYLED*/
+		v = v.replace(/,/g, '\\,');
+		return (n + '=' + v);
+	}).join(', '));
+};
+
+Identity.prototype.get = function (name, asArray) {
+	assert.string(name, 'name');
+	var arr = this.componentLookup[name];
+	if (arr === undefined || arr.length === 0)
+		return (undefined);
+	if (!asArray && arr.length > 1)
+		throw (new Error('Multiple values for attribute ' + name));
+	if (!asArray)
+		return (arr[0].value);
+	return (arr.map(function (c) {
+		return (c.value);
+	}));
+};
+
+Identity.prototype.toArray = function (idx) {
+	return (this.components.map(function (c) {
+		return ({
+			name: c.name,
+			value: c.value
+		});
+	}));
+};
+
+/*
+ * These are from X.680 -- PrintableString allowed chars are in section 37.4
+ * table 8. Spec for IA5Strings is "1,6 + SPACE + DEL" where 1 refers to
+ * ISO IR #001 (standard ASCII control characters) and 6 refers to ISO IR #006
+ * (the basic ASCII character set).
+ */
+/* JSSTYLED */
+var NOT_PRINTABLE = /[^a-zA-Z0-9 '(),+.\/:=?-]/;
+/* JSSTYLED */
+var NOT_IA5 = /[^\x00-\x7f]/;
+
+Identity.prototype.toAsn1 = function (der, tag) {
+	der.startSequence(tag);
+	this.components.forEach(function (c) {
+		der.startSequence(asn1.Ber.Constructor | asn1.Ber.Set);
+		der.startSequence();
+		der.writeOID(c.oid);
+		/*
+		 * If we fit in a PrintableString, use that. Otherwise use an
+		 * IA5String or UTF8String.
+		 *
+		 * If this identity was parsed from a DN, use the ASN.1 types
+		 * from the original representation (otherwise this might not
+		 * be a full match for the original in some validators).
+		 */
+		if (c.asn1type === asn1.Ber.Utf8String ||
+		    c.value.match(NOT_IA5)) {
+			var v = Buffer.from(c.value, 'utf8');
+			der.writeBuffer(v, asn1.Ber.Utf8String);
+
+		} else if (c.asn1type === asn1.Ber.IA5String ||
+		    c.value.match(NOT_PRINTABLE)) {
+			der.writeString(c.value, asn1.Ber.IA5String);
+
+		} else {
+			var type = asn1.Ber.PrintableString;
+			if (c.asn1type !== undefined)
+				type = c.asn1type;
+			der.writeString(c.value, type);
+		}
+		der.endSequence();
+		der.endSequence();
+	});
+	der.endSequence();
+};
+
+function globMatch(a, b) {
+	if (a === '**' || b === '**')
+		return (true);
+	var aParts = a.split('.');
+	var bParts = b.split('.');
+	if (aParts.length !== bParts.length)
+		return (false);
+	for (var i = 0; i < aParts.length; ++i) {
+		if (aParts[i] === '*' || bParts[i] === '*')
+			continue;
+		if (aParts[i] !== bParts[i])
+			return (false);
+	}
+	return (true);
+}
+
+Identity.prototype.equals = function (other) {
+	if (!Identity.isIdentity(other, [1, 0]))
+		return (false);
+	if (other.components.length !== this.components.length)
+		return (false);
+	for (var i = 0; i < this.components.length; ++i) {
+		if (this.components[i].oid !== other.components[i].oid)
+			return (false);
+		if (!globMatch(this.components[i].value,
+		    other.components[i].value)) {
+			return (false);
+		}
+	}
+	return (true);
+};
+
+Identity.forHost = function (hostname) {
+	assert.string(hostname, 'hostname');
+	return (new Identity({
+		type: 'host',
+		hostname: hostname,
+		components: [ { name: 'cn', value: hostname } ]
+	}));
+};
+
+Identity.forUser = function (uid) {
+	assert.string(uid, 'uid');
+	return (new Identity({
+		type: 'user',
+		uid: uid,
+		components: [ { name: 'uid', value: uid } ]
+	}));
+};
+
+Identity.forEmail = function (email) {
+	assert.string(email, 'email');
+	return (new Identity({
+		type: 'email',
+		email: email,
+		components: [ { name: 'mail', value: email } ]
+	}));
+};
+
+Identity.parseDN = function (dn) {
+	assert.string(dn, 'dn');
+	var parts = [''];
+	var idx = 0;
+	var rem = dn;
+	while (rem.length > 0) {
+		var m;
+		/*JSSTYLED*/
+		if ((m = /^,/.exec(rem)) !== null) {
+			parts[++idx] = '';
+			rem = rem.slice(m[0].length);
+		/*JSSTYLED*/
+		} else if ((m = /^\\,/.exec(rem)) !== null) {
+			parts[idx] += ',';
+			rem = rem.slice(m[0].length);
+		/*JSSTYLED*/
+		} else if ((m = /^\\./.exec(rem)) !== null) {
+			parts[idx] += m[0];
+			rem = rem.slice(m[0].length);
+		/*JSSTYLED*/
+		} else if ((m = /^[^\\,]+/.exec(rem)) !== null) {
+			parts[idx] += m[0];
+			rem = rem.slice(m[0].length);
+		} else {
+			throw (new Error('Failed to parse DN'));
+		}
+	}
+	var cmps = parts.map(function (c) {
+		c = c.trim();
+		var eqPos = c.indexOf('=');
+		while (eqPos > 0 && c.charAt(eqPos - 1) === '\\')
+			eqPos = c.indexOf('=', eqPos + 1);
+		if (eqPos === -1) {
+			throw (new Error('Failed to parse DN'));
+		}
+		/*JSSTYLED*/
+		var name = c.slice(0, eqPos).toLowerCase().replace(/\\=/g, '=');
+		var value = c.slice(eqPos + 1);
+		return ({ name: name, value: value });
+	});
+	return (new Identity({ components: cmps }));
+};
+
+Identity.fromArray = function (components) {
+	assert.arrayOfObject(components, 'components');
+	components.forEach(function (cmp) {
+		assert.object(cmp, 'component');
+		assert.string(cmp.name, 'component.name');
+		if (!Buffer.isBuffer(cmp.value) &&
+		    !(typeof (cmp.value) === 'string')) {
+			throw (new Error('Invalid component value'));
+		}
+	});
+	return (new Identity({ components: components }));
+};
+
+Identity.parseAsn1 = function (der, top) {
+	var components = [];
+	der.readSequence(top);
+	var end = der.offset + der.length;
+	while (der.offset < end) {
+		der.readSequence(asn1.Ber.Constructor | asn1.Ber.Set);
+		var after = der.offset + der.length;
+		der.readSequence();
+		var oid = der.readOID();
+		var type = der.peek();
+		var value;
+		switch (type) {
+		case asn1.Ber.PrintableString:
+		case asn1.Ber.IA5String:
+		case asn1.Ber.OctetString:
+		case asn1.Ber.T61String:
+			value = der.readString(type);
+			break;
+		case asn1.Ber.Utf8String:
+			value = der.readString(type, true);
+			value = value.toString('utf8');
+			break;
+		case asn1.Ber.CharacterString:
+		case asn1.Ber.BMPString:
+			value = der.readString(type, true);
+			value = value.toString('utf16le');
+			break;
+		default:
+			throw (new Error('Unknown asn1 type ' + type));
+		}
+		components.push({ oid: oid, asn1type: type, value: value });
+		der._offset = after;
+	}
+	der._offset = end;
+	return (new Identity({
+		components: components
+	}));
+};
+
+Identity.isIdentity = function (obj, ver) {
+	return (utils.isCompatible(obj, Identity, ver));
+};
+
+/*
+ * API versions for Identity:
+ * [1,0] -- initial ver
+ */
+Identity.prototype._sshpkApiVersion = [1, 0];
+
+Identity._oldVersionDetect = function (obj) {
+	return ([1, 0]);
+};
diff --git a/node_modules/sshpk/lib/index.js b/node_modules/sshpk/lib/index.js
new file mode 100644
index 000000000..f76db7918
--- /dev/null
+++ b/node_modules/sshpk/lib/index.js
@@ -0,0 +1,40 @@
+// Copyright 2015 Joyent, Inc.
+
+var Key = require('./key');
+var Fingerprint = require('./fingerprint');
+var Signature = require('./signature');
+var PrivateKey = require('./private-key');
+var Certificate = require('./certificate');
+var Identity = require('./identity');
+var errs = require('./errors');
+
+module.exports = {
+	/* top-level classes */
+	Key: Key,
+	parseKey: Key.parse,
+	Fingerprint: Fingerprint,
+	parseFingerprint: Fingerprint.parse,
+	Signature: Signature,
+	parseSignature: Signature.parse,
+	PrivateKey: PrivateKey,
+	parsePrivateKey: PrivateKey.parse,
+	generatePrivateKey: PrivateKey.generate,
+	Certificate: Certificate,
+	parseCertificate: Certificate.parse,
+	createSelfSignedCertificate: Certificate.createSelfSigned,
+	createCertificate: Certificate.create,
+	Identity: Identity,
+	identityFromDN: Identity.parseDN,
+	identityForHost: Identity.forHost,
+	identityForUser: Identity.forUser,
+	identityForEmail: Identity.forEmail,
+	identityFromArray: Identity.fromArray,
+
+	/* errors */
+	FingerprintFormatError: errs.FingerprintFormatError,
+	InvalidAlgorithmError: errs.InvalidAlgorithmError,
+	KeyParseError: errs.KeyParseError,
+	SignatureParseError: errs.SignatureParseError,
+	KeyEncryptedError: errs.KeyEncryptedError,
+	CertificateParseError: errs.CertificateParseError
+};
diff --git a/node_modules/sshpk/lib/key.js b/node_modules/sshpk/lib/key.js
new file mode 100644
index 000000000..706f83400
--- /dev/null
+++ b/node_modules/sshpk/lib/key.js
@@ -0,0 +1,294 @@
+// Copyright 2018 Joyent, Inc.
+
+module.exports = Key;
+
+var assert = require('assert-plus');
+var algs = require('./algs');
+var crypto = require('crypto');
+var Fingerprint = require('./fingerprint');
+var Signature = require('./signature');
+var DiffieHellman = require('./dhe').DiffieHellman;
+var errs = require('./errors');
+var utils = require('./utils');
+var PrivateKey = require('./private-key');
+var edCompat;
+
+try {
+	edCompat = require('./ed-compat');
+} catch (e) {
+	/* Just continue through, and bail out if we try to use it. */
+}
+
+var InvalidAlgorithmError = errs.InvalidAlgorithmError;
+var KeyParseError = errs.KeyParseError;
+
+var formats = {};
+formats['auto'] = require('./formats/auto');
+formats['pem'] = require('./formats/pem');
+formats['pkcs1'] = require('./formats/pkcs1');
+formats['pkcs8'] = require('./formats/pkcs8');
+formats['rfc4253'] = require('./formats/rfc4253');
+formats['ssh'] = require('./formats/ssh');
+formats['ssh-private'] = require('./formats/ssh-private');
+formats['openssh'] = formats['ssh-private'];
+formats['dnssec'] = require('./formats/dnssec');
+formats['putty'] = require('./formats/putty');
+formats['ppk'] = formats['putty'];
+
+function Key(opts) {
+	assert.object(opts, 'options');
+	assert.arrayOfObject(opts.parts, 'options.parts');
+	assert.string(opts.type, 'options.type');
+	assert.optionalString(opts.comment, 'options.comment');
+
+	var algInfo = algs.info[opts.type];
+	if (typeof (algInfo) !== 'object')
+		throw (new InvalidAlgorithmError(opts.type));
+
+	var partLookup = {};
+	for (var i = 0; i < opts.parts.length; ++i) {
+		var part = opts.parts[i];
+		partLookup[part.name] = part;
+	}
+
+	this.type = opts.type;
+	this.parts = opts.parts;
+	this.part = partLookup;
+	this.comment = undefined;
+	this.source = opts.source;
+
+	/* for speeding up hashing/fingerprint operations */
+	this._rfc4253Cache = opts._rfc4253Cache;
+	this._hashCache = {};
+
+	var sz;
+	this.curve = undefined;
+	if (this.type === 'ecdsa') {
+		var curve = this.part.curve.data.toString();
+		this.curve = curve;
+		sz = algs.curves[curve].size;
+	} else if (this.type === 'ed25519' || this.type === 'curve25519') {
+		sz = 256;
+		this.curve = 'curve25519';
+	} else {
+		var szPart = this.part[algInfo.sizePart];
+		sz = szPart.data.length;
+		sz = sz * 8 - utils.countZeros(szPart.data);
+	}
+	this.size = sz;
+}
+
+Key.formats = formats;
+
+Key.prototype.toBuffer = function (format, options) {
+	if (format === undefined)
+		format = 'ssh';
+	assert.string(format, 'format');
+	assert.object(formats[format], 'formats[format]');
+	assert.optionalObject(options, 'options');
+
+	if (format === 'rfc4253') {
+		if (this._rfc4253Cache === undefined)
+			this._rfc4253Cache = formats['rfc4253'].write(this);
+		return (this._rfc4253Cache);
+	}
+
+	return (formats[format].write(this, options));
+};
+
+Key.prototype.toString = function (format, options) {
+	return (this.toBuffer(format, options).toString());
+};
+
+Key.prototype.hash = function (algo, type) {
+	assert.string(algo, 'algorithm');
+	assert.optionalString(type, 'type');
+	if (type === undefined)
+		type = 'ssh';
+	algo = algo.toLowerCase();
+	if (algs.hashAlgs[algo] === undefined)
+		throw (new InvalidAlgorithmError(algo));
+
+	var cacheKey = algo + '||' + type;
+	if (this._hashCache[cacheKey])
+		return (this._hashCache[cacheKey]);
+
+	var buf;
+	if (type === 'ssh') {
+		buf = this.toBuffer('rfc4253');
+	} else if (type === 'spki') {
+		buf = formats.pkcs8.pkcs8ToBuffer(this);
+	} else {
+		throw (new Error('Hash type ' + type + ' not supported'));
+	}
+	var hash = crypto.createHash(algo).update(buf).digest();
+	this._hashCache[cacheKey] = hash;
+	return (hash);
+};
+
+Key.prototype.fingerprint = function (algo, type) {
+	if (algo === undefined)
+		algo = 'sha256';
+	if (type === undefined)
+		type = 'ssh';
+	assert.string(algo, 'algorithm');
+	assert.string(type, 'type');
+	var opts = {
+		type: 'key',
+		hash: this.hash(algo, type),
+		algorithm: algo,
+		hashType: type
+	};
+	return (new Fingerprint(opts));
+};
+
+Key.prototype.defaultHashAlgorithm = function () {
+	var hashAlgo = 'sha1';
+	if (this.type === 'rsa')
+		hashAlgo = 'sha256';
+	if (this.type === 'dsa' && this.size > 1024)
+		hashAlgo = 'sha256';
+	if (this.type === 'ed25519')
+		hashAlgo = 'sha512';
+	if (this.type === 'ecdsa') {
+		if (this.size <= 256)
+			hashAlgo = 'sha256';
+		else if (this.size <= 384)
+			hashAlgo = 'sha384';
+		else
+			hashAlgo = 'sha512';
+	}
+	return (hashAlgo);
+};
+
+Key.prototype.createVerify = function (hashAlgo) {
+	if (hashAlgo === undefined)
+		hashAlgo = this.defaultHashAlgorithm();
+	assert.string(hashAlgo, 'hash algorithm');
+
+	/* ED25519 is not supported by OpenSSL, use a javascript impl. */
+	if (this.type === 'ed25519' && edCompat !== undefined)
+		return (new edCompat.Verifier(this, hashAlgo));
+	if (this.type === 'curve25519')
+		throw (new Error('Curve25519 keys are not suitable for ' +
+		    'signing or verification'));
+
+	var v, nm, err;
+	try {
+		nm = hashAlgo.toUpperCase();
+		v = crypto.createVerify(nm);
+	} catch (e) {
+		err = e;
+	}
+	if (v === undefined || (err instanceof Error &&
+	    err.message.match(/Unknown message digest/))) {
+		nm = 'RSA-';
+		nm += hashAlgo.toUpperCase();
+		v = crypto.createVerify(nm);
+	}
+	assert.ok(v, 'failed to create verifier');
+	var oldVerify = v.verify.bind(v);
+	var key = this.toBuffer('pkcs8');
+	var curve = this.curve;
+	var self = this;
+	v.verify = function (signature, fmt) {
+		if (Signature.isSignature(signature, [2, 0])) {
+			if (signature.type !== self.type)
+				return (false);
+			if (signature.hashAlgorithm &&
+			    signature.hashAlgorithm !== hashAlgo)
+				return (false);
+			if (signature.curve && self.type === 'ecdsa' &&
+			    signature.curve !== curve)
+				return (false);
+			return (oldVerify(key, signature.toBuffer('asn1')));
+
+		} else if (typeof (signature) === 'string' ||
+		    Buffer.isBuffer(signature)) {
+			return (oldVerify(key, signature, fmt));
+
+		/*
+		 * Avoid doing this on valid arguments, walking the prototype
+		 * chain can be quite slow.
+		 */
+		} else if (Signature.isSignature(signature, [1, 0])) {
+			throw (new Error('signature was created by too old ' +
+			    'a version of sshpk and cannot be verified'));
+
+		} else {
+			throw (new TypeError('signature must be a string, ' +
+			    'Buffer, or Signature object'));
+		}
+	};
+	return (v);
+};
+
+Key.prototype.createDiffieHellman = function () {
+	if (this.type === 'rsa')
+		throw (new Error('RSA keys do not support Diffie-Hellman'));
+
+	return (new DiffieHellman(this));
+};
+Key.prototype.createDH = Key.prototype.createDiffieHellman;
+
+Key.parse = function (data, format, options) {
+	if (typeof (data) !== 'string')
+		assert.buffer(data, 'data');
+	if (format === undefined)
+		format = 'auto';
+	assert.string(format, 'format');
+	if (typeof (options) === 'string')
+		options = { filename: options };
+	assert.optionalObject(options, 'options');
+	if (options === undefined)
+		options = {};
+	assert.optionalString(options.filename, 'options.filename');
+	if (options.filename === undefined)
+		options.filename = '(unnamed)';
+
+	assert.object(formats[format], 'formats[format]');
+
+	try {
+		var k = formats[format].read(data, options);
+		if (k instanceof PrivateKey)
+			k = k.toPublic();
+		if (!k.comment)
+			k.comment = options.filename;
+		return (k);
+	} catch (e) {
+		if (e.name === 'KeyEncryptedError')
+			throw (e);
+		throw (new KeyParseError(options.filename, format, e));
+	}
+};
+
+Key.isKey = function (obj, ver) {
+	return (utils.isCompatible(obj, Key, ver));
+};
+
+/*
+ * API versions for Key:
+ * [1,0] -- initial ver, may take Signature for createVerify or may not
+ * [1,1] -- added pkcs1, pkcs8 formats
+ * [1,2] -- added auto, ssh-private, openssh formats
+ * [1,3] -- added defaultHashAlgorithm
+ * [1,4] -- added ed support, createDH
+ * [1,5] -- first explicitly tagged version
+ * [1,6] -- changed ed25519 part names
+ * [1,7] -- spki hash types
+ */
+Key.prototype._sshpkApiVersion = [1, 7];
+
+Key._oldVersionDetect = function (obj) {
+	assert.func(obj.toBuffer);
+	assert.func(obj.fingerprint);
+	if (obj.createDH)
+		return ([1, 4]);
+	if (obj.defaultHashAlgorithm)
+		return ([1, 3]);
+	if (obj.formats['auto'])
+		return ([1, 2]);
+	if (obj.formats['pkcs1'])
+		return ([1, 1]);
+	return ([1, 0]);
+};
diff --git a/node_modules/sshpk/lib/private-key.js b/node_modules/sshpk/lib/private-key.js
new file mode 100644
index 000000000..570e05435
--- /dev/null
+++ b/node_modules/sshpk/lib/private-key.js
@@ -0,0 +1,247 @@
+// Copyright 2017 Joyent, Inc.
+
+module.exports = PrivateKey;
+
+var assert = require('assert-plus');
+var Buffer = require('safer-buffer').Buffer;
+var algs = require('./algs');
+var crypto = require('crypto');
+var Fingerprint = require('./fingerprint');
+var Signature = require('./signature');
+var errs = require('./errors');
+var util = require('util');
+var utils = require('./utils');
+var dhe = require('./dhe');
+var generateECDSA = dhe.generateECDSA;
+var generateED25519 = dhe.generateED25519;
+var edCompat = require('./ed-compat');
+var nacl = require('tweetnacl');
+
+var Key = require('./key');
+
+var InvalidAlgorithmError = errs.InvalidAlgorithmError;
+var KeyParseError = errs.KeyParseError;
+var KeyEncryptedError = errs.KeyEncryptedError;
+
+var formats = {};
+formats['auto'] = require('./formats/auto');
+formats['pem'] = require('./formats/pem');
+formats['pkcs1'] = require('./formats/pkcs1');
+formats['pkcs8'] = require('./formats/pkcs8');
+formats['rfc4253'] = require('./formats/rfc4253');
+formats['ssh-private'] = require('./formats/ssh-private');
+formats['openssh'] = formats['ssh-private'];
+formats['ssh'] = formats['ssh-private'];
+formats['dnssec'] = require('./formats/dnssec');
+formats['putty'] = require('./formats/putty');
+
+function PrivateKey(opts) {
+	assert.object(opts, 'options');
+	Key.call(this, opts);
+
+	this._pubCache = undefined;
+}
+util.inherits(PrivateKey, Key);
+
+PrivateKey.formats = formats;
+
+PrivateKey.prototype.toBuffer = function (format, options) {
+	if (format === undefined)
+		format = 'pkcs1';
+	assert.string(format, 'format');
+	assert.object(formats[format], 'formats[format]');
+	assert.optionalObject(options, 'options');
+
+	return (formats[format].write(this, options));
+};
+
+PrivateKey.prototype.hash = function (algo, type) {
+	return (this.toPublic().hash(algo, type));
+};
+
+PrivateKey.prototype.fingerprint = function (algo, type) {
+	return (this.toPublic().fingerprint(algo, type));
+};
+
+PrivateKey.prototype.toPublic = function () {
+	if (this._pubCache)
+		return (this._pubCache);
+
+	var algInfo = algs.info[this.type];
+	var pubParts = [];
+	for (var i = 0; i < algInfo.parts.length; ++i) {
+		var p = algInfo.parts[i];
+		pubParts.push(this.part[p]);
+	}
+
+	this._pubCache = new Key({
+		type: this.type,
+		source: this,
+		parts: pubParts
+	});
+	if (this.comment)
+		this._pubCache.comment = this.comment;
+	return (this._pubCache);
+};
+
+PrivateKey.prototype.derive = function (newType) {
+	assert.string(newType, 'type');
+	var priv, pub, pair;
+
+	if (this.type === 'ed25519' && newType === 'curve25519') {
+		priv = this.part.k.data;
+		if (priv[0] === 0x00)
+			priv = priv.slice(1);
+
+		pair = nacl.box.keyPair.fromSecretKey(new Uint8Array(priv));
+		pub = Buffer.from(pair.publicKey);
+
+		return (new PrivateKey({
+			type: 'curve25519',
+			parts: [
+				{ name: 'A', data: utils.mpNormalize(pub) },
+				{ name: 'k', data: utils.mpNormalize(priv) }
+			]
+		}));
+	} else if (this.type === 'curve25519' && newType === 'ed25519') {
+		priv = this.part.k.data;
+		if (priv[0] === 0x00)
+			priv = priv.slice(1);
+
+		pair = nacl.sign.keyPair.fromSeed(new Uint8Array(priv));
+		pub = Buffer.from(pair.publicKey);
+
+		return (new PrivateKey({
+			type: 'ed25519',
+			parts: [
+				{ name: 'A', data: utils.mpNormalize(pub) },
+				{ name: 'k', data: utils.mpNormalize(priv) }
+			]
+		}));
+	}
+	throw (new Error('Key derivation not supported from ' + this.type +
+	    ' to ' + newType));
+};
+
+PrivateKey.prototype.createVerify = function (hashAlgo) {
+	return (this.toPublic().createVerify(hashAlgo));
+};
+
+PrivateKey.prototype.createSign = function (hashAlgo) {
+	if (hashAlgo === undefined)
+		hashAlgo = this.defaultHashAlgorithm();
+	assert.string(hashAlgo, 'hash algorithm');
+
+	/* ED25519 is not supported by OpenSSL, use a javascript impl. */
+	if (this.type === 'ed25519' && edCompat !== undefined)
+		return (new edCompat.Signer(this, hashAlgo));
+	if (this.type === 'curve25519')
+		throw (new Error('Curve25519 keys are not suitable for ' +
+		    'signing or verification'));
+
+	var v, nm, err;
+	try {
+		nm = hashAlgo.toUpperCase();
+		v = crypto.createSign(nm);
+	} catch (e) {
+		err = e;
+	}
+	if (v === undefined || (err instanceof Error &&
+	    err.message.match(/Unknown message digest/))) {
+		nm = 'RSA-';
+		nm += hashAlgo.toUpperCase();
+		v = crypto.createSign(nm);
+	}
+	assert.ok(v, 'failed to create verifier');
+	var oldSign = v.sign.bind(v);
+	var key = this.toBuffer('pkcs1');
+	var type = this.type;
+	var curve = this.curve;
+	v.sign = function () {
+		var sig = oldSign(key);
+		if (typeof (sig) === 'string')
+			sig = Buffer.from(sig, 'binary');
+		sig = Signature.parse(sig, type, 'asn1');
+		sig.hashAlgorithm = hashAlgo;
+		sig.curve = curve;
+		return (sig);
+	};
+	return (v);
+};
+
+PrivateKey.parse = function (data, format, options) {
+	if (typeof (data) !== 'string')
+		assert.buffer(data, 'data');
+	if (format === undefined)
+		format = 'auto';
+	assert.string(format, 'format');
+	if (typeof (options) === 'string')
+		options = { filename: options };
+	assert.optionalObject(options, 'options');
+	if (options === undefined)
+		options = {};
+	assert.optionalString(options.filename, 'options.filename');
+	if (options.filename === undefined)
+		options.filename = '(unnamed)';
+
+	assert.object(formats[format], 'formats[format]');
+
+	try {
+		var k = formats[format].read(data, options);
+		assert.ok(k instanceof PrivateKey, 'key is not a private key');
+		if (!k.comment)
+			k.comment = options.filename;
+		return (k);
+	} catch (e) {
+		if (e.name === 'KeyEncryptedError')
+			throw (e);
+		throw (new KeyParseError(options.filename, format, e));
+	}
+};
+
+PrivateKey.isPrivateKey = function (obj, ver) {
+	return (utils.isCompatible(obj, PrivateKey, ver));
+};
+
+PrivateKey.generate = function (type, options) {
+	if (options === undefined)
+		options = {};
+	assert.object(options, 'options');
+
+	switch (type) {
+	case 'ecdsa':
+		if (options.curve === undefined)
+			options.curve = 'nistp256';
+		assert.string(options.curve, 'options.curve');
+		return (generateECDSA(options.curve));
+	case 'ed25519':
+		return (generateED25519());
+	default:
+		throw (new Error('Key generation not supported with key ' +
+		    'type "' + type + '"'));
+	}
+};
+
+/*
+ * API versions for PrivateKey:
+ * [1,0] -- initial ver
+ * [1,1] -- added auto, pkcs[18], openssh/ssh-private formats
+ * [1,2] -- added defaultHashAlgorithm
+ * [1,3] -- added derive, ed, createDH
+ * [1,4] -- first tagged version
+ * [1,5] -- changed ed25519 part names and format
+ * [1,6] -- type arguments for hash() and fingerprint()
+ */
+PrivateKey.prototype._sshpkApiVersion = [1, 6];
+
+PrivateKey._oldVersionDetect = function (obj) {
+	assert.func(obj.toPublic);
+	assert.func(obj.createSign);
+	if (obj.derive)
+		return ([1, 3]);
+	if (obj.defaultHashAlgorithm)
+		return ([1, 2]);
+	if (obj.formats['auto'])
+		return ([1, 1]);
+	return ([1, 0]);
+};
diff --git a/node_modules/sshpk/lib/signature.js b/node_modules/sshpk/lib/signature.js
new file mode 100644
index 000000000..aa8fdbb87
--- /dev/null
+++ b/node_modules/sshpk/lib/signature.js
@@ -0,0 +1,314 @@
+// Copyright 2015 Joyent, Inc.
+
+module.exports = Signature;
+
+var assert = require('assert-plus');
+var Buffer = require('safer-buffer').Buffer;
+var algs = require('./algs');
+var crypto = require('crypto');
+var errs = require('./errors');
+var utils = require('./utils');
+var asn1 = require('asn1');
+var SSHBuffer = require('./ssh-buffer');
+
+var InvalidAlgorithmError = errs.InvalidAlgorithmError;
+var SignatureParseError = errs.SignatureParseError;
+
+function Signature(opts) {
+	assert.object(opts, 'options');
+	assert.arrayOfObject(opts.parts, 'options.parts');
+	assert.string(opts.type, 'options.type');
+
+	var partLookup = {};
+	for (var i = 0; i < opts.parts.length; ++i) {
+		var part = opts.parts[i];
+		partLookup[part.name] = part;
+	}
+
+	this.type = opts.type;
+	this.hashAlgorithm = opts.hashAlgo;
+	this.curve = opts.curve;
+	this.parts = opts.parts;
+	this.part = partLookup;
+}
+
+Signature.prototype.toBuffer = function (format) {
+	if (format === undefined)
+		format = 'asn1';
+	assert.string(format, 'format');
+
+	var buf;
+	var stype = 'ssh-' + this.type;
+
+	switch (this.type) {
+	case 'rsa':
+		switch (this.hashAlgorithm) {
+		case 'sha256':
+			stype = 'rsa-sha2-256';
+			break;
+		case 'sha512':
+			stype = 'rsa-sha2-512';
+			break;
+		case 'sha1':
+		case undefined:
+			break;
+		default:
+			throw (new Error('SSH signature ' +
+			    'format does not support hash ' +
+			    'algorithm ' + this.hashAlgorithm));
+		}
+		if (format === 'ssh') {
+			buf = new SSHBuffer({});
+			buf.writeString(stype);
+			buf.writePart(this.part.sig);
+			return (buf.toBuffer());
+		} else {
+			return (this.part.sig.data);
+		}
+		break;
+
+	case 'ed25519':
+		if (format === 'ssh') {
+			buf = new SSHBuffer({});
+			buf.writeString(stype);
+			buf.writePart(this.part.sig);
+			return (buf.toBuffer());
+		} else {
+			return (this.part.sig.data);
+		}
+		break;
+
+	case 'dsa':
+	case 'ecdsa':
+		var r, s;
+		if (format === 'asn1') {
+			var der = new asn1.BerWriter();
+			der.startSequence();
+			r = utils.mpNormalize(this.part.r.data);
+			s = utils.mpNormalize(this.part.s.data);
+			der.writeBuffer(r, asn1.Ber.Integer);
+			der.writeBuffer(s, asn1.Ber.Integer);
+			der.endSequence();
+			return (der.buffer);
+		} else if (format === 'ssh' && this.type === 'dsa') {
+			buf = new SSHBuffer({});
+			buf.writeString('ssh-dss');
+			r = this.part.r.data;
+			if (r.length > 20 && r[0] === 0x00)
+				r = r.slice(1);
+			s = this.part.s.data;
+			if (s.length > 20 && s[0] === 0x00)
+				s = s.slice(1);
+			if ((this.hashAlgorithm &&
+			    this.hashAlgorithm !== 'sha1') ||
+			    r.length + s.length !== 40) {
+				throw (new Error('OpenSSH only supports ' +
+				    'DSA signatures with SHA1 hash'));
+			}
+			buf.writeBuffer(Buffer.concat([r, s]));
+			return (buf.toBuffer());
+		} else if (format === 'ssh' && this.type === 'ecdsa') {
+			var inner = new SSHBuffer({});
+			r = this.part.r.data;
+			inner.writeBuffer(r);
+			inner.writePart(this.part.s);
+
+			buf = new SSHBuffer({});
+			/* XXX: find a more proper way to do this? */
+			var curve;
+			if (r[0] === 0x00)
+				r = r.slice(1);
+			var sz = r.length * 8;
+			if (sz === 256)
+				curve = 'nistp256';
+			else if (sz === 384)
+				curve = 'nistp384';
+			else if (sz === 528)
+				curve = 'nistp521';
+			buf.writeString('ecdsa-sha2-' + curve);
+			buf.writeBuffer(inner.toBuffer());
+			return (buf.toBuffer());
+		}
+		throw (new Error('Invalid signature format'));
+	default:
+		throw (new Error('Invalid signature data'));
+	}
+};
+
+Signature.prototype.toString = function (format) {
+	assert.optionalString(format, 'format');
+	return (this.toBuffer(format).toString('base64'));
+};
+
+Signature.parse = function (data, type, format) {
+	if (typeof (data) === 'string')
+		data = Buffer.from(data, 'base64');
+	assert.buffer(data, 'data');
+	assert.string(format, 'format');
+	assert.string(type, 'type');
+
+	var opts = {};
+	opts.type = type.toLowerCase();
+	opts.parts = [];
+
+	try {
+		assert.ok(data.length > 0, 'signature must not be empty');
+		switch (opts.type) {
+		case 'rsa':
+			return (parseOneNum(data, type, format, opts));
+		case 'ed25519':
+			return (parseOneNum(data, type, format, opts));
+
+		case 'dsa':
+		case 'ecdsa':
+			if (format === 'asn1')
+				return (parseDSAasn1(data, type, format, opts));
+			else if (opts.type === 'dsa')
+				return (parseDSA(data, type, format, opts));
+			else
+				return (parseECDSA(data, type, format, opts));
+
+		default:
+			throw (new InvalidAlgorithmError(type));
+		}
+
+	} catch (e) {
+		if (e instanceof InvalidAlgorithmError)
+			throw (e);
+		throw (new SignatureParseError(type, format, e));
+	}
+};
+
+function parseOneNum(data, type, format, opts) {
+	if (format === 'ssh') {
+		try {
+			var buf = new SSHBuffer({buffer: data});
+			var head = buf.readString();
+		} catch (e) {
+			/* fall through */
+		}
+		if (buf !== undefined) {
+			var msg = 'SSH signature does not match expected ' +
+			    'type (expected ' + type + ', got ' + head + ')';
+			switch (head) {
+			case 'ssh-rsa':
+				assert.strictEqual(type, 'rsa', msg);
+				opts.hashAlgo = 'sha1';
+				break;
+			case 'rsa-sha2-256':
+				assert.strictEqual(type, 'rsa', msg);
+				opts.hashAlgo = 'sha256';
+				break;
+			case 'rsa-sha2-512':
+				assert.strictEqual(type, 'rsa', msg);
+				opts.hashAlgo = 'sha512';
+				break;
+			case 'ssh-ed25519':
+				assert.strictEqual(type, 'ed25519', msg);
+				opts.hashAlgo = 'sha512';
+				break;
+			default:
+				throw (new Error('Unknown SSH signature ' +
+				    'type: ' + head));
+			}
+			var sig = buf.readPart();
+			assert.ok(buf.atEnd(), 'extra trailing bytes');
+			sig.name = 'sig';
+			opts.parts.push(sig);
+			return (new Signature(opts));
+		}
+	}
+	opts.parts.push({name: 'sig', data: data});
+	return (new Signature(opts));
+}
+
+function parseDSAasn1(data, type, format, opts) {
+	var der = new asn1.BerReader(data);
+	der.readSequence();
+	var r = der.readString(asn1.Ber.Integer, true);
+	var s = der.readString(asn1.Ber.Integer, true);
+
+	opts.parts.push({name: 'r', data: utils.mpNormalize(r)});
+	opts.parts.push({name: 's', data: utils.mpNormalize(s)});
+
+	return (new Signature(opts));
+}
+
+function parseDSA(data, type, format, opts) {
+	if (data.length != 40) {
+		var buf = new SSHBuffer({buffer: data});
+		var d = buf.readBuffer();
+		if (d.toString('ascii') === 'ssh-dss')
+			d = buf.readBuffer();
+		assert.ok(buf.atEnd(), 'extra trailing bytes');
+		assert.strictEqual(d.length, 40, 'invalid inner length');
+		data = d;
+	}
+	opts.parts.push({name: 'r', data: data.slice(0, 20)});
+	opts.parts.push({name: 's', data: data.slice(20, 40)});
+	return (new Signature(opts));
+}
+
+function parseECDSA(data, type, format, opts) {
+	var buf = new SSHBuffer({buffer: data});
+
+	var r, s;
+	var inner = buf.readBuffer();
+	var stype = inner.toString('ascii');
+	if (stype.slice(0, 6) === 'ecdsa-') {
+		var parts = stype.split('-');
+		assert.strictEqual(parts[0], 'ecdsa');
+		assert.strictEqual(parts[1], 'sha2');
+		opts.curve = parts[2];
+		switch (opts.curve) {
+		case 'nistp256':
+			opts.hashAlgo = 'sha256';
+			break;
+		case 'nistp384':
+			opts.hashAlgo = 'sha384';
+			break;
+		case 'nistp521':
+			opts.hashAlgo = 'sha512';
+			break;
+		default:
+			throw (new Error('Unsupported ECDSA curve: ' +
+			    opts.curve));
+		}
+		inner = buf.readBuffer();
+		assert.ok(buf.atEnd(), 'extra trailing bytes on outer');
+		buf = new SSHBuffer({buffer: inner});
+		r = buf.readPart();
+	} else {
+		r = {data: inner};
+	}
+
+	s = buf.readPart();
+	assert.ok(buf.atEnd(), 'extra trailing bytes');
+
+	r.name = 'r';
+	s.name = 's';
+
+	opts.parts.push(r);
+	opts.parts.push(s);
+	return (new Signature(opts));
+}
+
+Signature.isSignature = function (obj, ver) {
+	return (utils.isCompatible(obj, Signature, ver));
+};
+
+/*
+ * API versions for Signature:
+ * [1,0] -- initial ver
+ * [2,0] -- support for rsa in full ssh format, compat with sshpk-agent
+ *          hashAlgorithm property
+ * [2,1] -- first tagged version
+ */
+Signature.prototype._sshpkApiVersion = [2, 1];
+
+Signature._oldVersionDetect = function (obj) {
+	assert.func(obj.toBuffer);
+	if (obj.hasOwnProperty('hashAlgorithm'))
+		return ([2, 0]);
+	return ([1, 0]);
+};
diff --git a/node_modules/sshpk/lib/ssh-buffer.js b/node_modules/sshpk/lib/ssh-buffer.js
new file mode 100644
index 000000000..1dd286c8d
--- /dev/null
+++ b/node_modules/sshpk/lib/ssh-buffer.js
@@ -0,0 +1,149 @@
+// Copyright 2015 Joyent, Inc.
+
+module.exports = SSHBuffer;
+
+var assert = require('assert-plus');
+var Buffer = require('safer-buffer').Buffer;
+
+function SSHBuffer(opts) {
+	assert.object(opts, 'options');
+	if (opts.buffer !== undefined)
+		assert.buffer(opts.buffer, 'options.buffer');
+
+	this._size = opts.buffer ? opts.buffer.length : 1024;
+	this._buffer = opts.buffer || Buffer.alloc(this._size);
+	this._offset = 0;
+}
+
+SSHBuffer.prototype.toBuffer = function () {
+	return (this._buffer.slice(0, this._offset));
+};
+
+SSHBuffer.prototype.atEnd = function () {
+	return (this._offset >= this._buffer.length);
+};
+
+SSHBuffer.prototype.remainder = function () {
+	return (this._buffer.slice(this._offset));
+};
+
+SSHBuffer.prototype.skip = function (n) {
+	this._offset += n;
+};
+
+SSHBuffer.prototype.expand = function () {
+	this._size *= 2;
+	var buf = Buffer.alloc(this._size);
+	this._buffer.copy(buf, 0);
+	this._buffer = buf;
+};
+
+SSHBuffer.prototype.readPart = function () {
+	return ({data: this.readBuffer()});
+};
+
+SSHBuffer.prototype.readBuffer = function () {
+	var len = this._buffer.readUInt32BE(this._offset);
+	this._offset += 4;
+	assert.ok(this._offset + len <= this._buffer.length,
+	    'length out of bounds at +0x' + this._offset.toString(16) +
+	    ' (data truncated?)');
+	var buf = this._buffer.slice(this._offset, this._offset + len);
+	this._offset += len;
+	return (buf);
+};
+
+SSHBuffer.prototype.readString = function () {
+	return (this.readBuffer().toString());
+};
+
+SSHBuffer.prototype.readCString = function () {
+	var offset = this._offset;
+	while (offset < this._buffer.length &&
+	    this._buffer[offset] !== 0x00)
+		offset++;
+	assert.ok(offset < this._buffer.length, 'c string does not terminate');
+	var str = this._buffer.slice(this._offset, offset).toString();
+	this._offset = offset + 1;
+	return (str);
+};
+
+SSHBuffer.prototype.readInt = function () {
+	var v = this._buffer.readUInt32BE(this._offset);
+	this._offset += 4;
+	return (v);
+};
+
+SSHBuffer.prototype.readInt64 = function () {
+	assert.ok(this._offset + 8 < this._buffer.length,
+	    'buffer not long enough to read Int64');
+	var v = this._buffer.slice(this._offset, this._offset + 8);
+	this._offset += 8;
+	return (v);
+};
+
+SSHBuffer.prototype.readChar = function () {
+	var v = this._buffer[this._offset++];
+	return (v);
+};
+
+SSHBuffer.prototype.writeBuffer = function (buf) {
+	while (this._offset + 4 + buf.length > this._size)
+		this.expand();
+	this._buffer.writeUInt32BE(buf.length, this._offset);
+	this._offset += 4;
+	buf.copy(this._buffer, this._offset);
+	this._offset += buf.length;
+};
+
+SSHBuffer.prototype.writeString = function (str) {
+	this.writeBuffer(Buffer.from(str, 'utf8'));
+};
+
+SSHBuffer.prototype.writeCString = function (str) {
+	while (this._offset + 1 + str.length > this._size)
+		this.expand();
+	this._buffer.write(str, this._offset);
+	this._offset += str.length;
+	this._buffer[this._offset++] = 0;
+};
+
+SSHBuffer.prototype.writeInt = function (v) {
+	while (this._offset + 4 > this._size)
+		this.expand();
+	this._buffer.writeUInt32BE(v, this._offset);
+	this._offset += 4;
+};
+
+SSHBuffer.prototype.writeInt64 = function (v) {
+	assert.buffer(v, 'value');
+	if (v.length > 8) {
+		var lead = v.slice(0, v.length - 8);
+		for (var i = 0; i < lead.length; ++i) {
+			assert.strictEqual(lead[i], 0,
+			    'must fit in 64 bits of precision');
+		}
+		v = v.slice(v.length - 8, v.length);
+	}
+	while (this._offset + 8 > this._size)
+		this.expand();
+	v.copy(this._buffer, this._offset);
+	this._offset += 8;
+};
+
+SSHBuffer.prototype.writeChar = function (v) {
+	while (this._offset + 1 > this._size)
+		this.expand();
+	this._buffer[this._offset++] = v;
+};
+
+SSHBuffer.prototype.writePart = function (p) {
+	this.writeBuffer(p.data);
+};
+
+SSHBuffer.prototype.write = function (buf) {
+	while (this._offset + buf.length > this._size)
+		this.expand();
+	buf.copy(this._buffer, this._offset);
+	this._offset += buf.length;
+};
diff --git a/node_modules/sshpk/lib/utils.js b/node_modules/sshpk/lib/utils.js
new file mode 100644
index 000000000..6b83a322d
--- /dev/null
+++ b/node_modules/sshpk/lib/utils.js
@@ -0,0 +1,404 @@
+// Copyright 2015 Joyent, Inc.
+
+module.exports = {
+	bufferSplit: bufferSplit,
+	addRSAMissing: addRSAMissing,
+	calculateDSAPublic: calculateDSAPublic,
+	calculateED25519Public: calculateED25519Public,
+	calculateX25519Public: calculateX25519Public,
+	mpNormalize: mpNormalize,
+	mpDenormalize: mpDenormalize,
+	ecNormalize: ecNormalize,
+	countZeros: countZeros,
+	assertCompatible: assertCompatible,
+	isCompatible: isCompatible,
+	opensslKeyDeriv: opensslKeyDeriv,
+	opensshCipherInfo: opensshCipherInfo,
+	publicFromPrivateECDSA: publicFromPrivateECDSA,
+	zeroPadToLength: zeroPadToLength,
+	writeBitString: writeBitString,
+	readBitString: readBitString,
+	pbkdf2: pbkdf2
+};
+
+var assert = require('assert-plus');
+var Buffer = require('safer-buffer').Buffer;
+var PrivateKey = require('./private-key');
+var Key = require('./key');
+var crypto = require('crypto');
+var algs = require('./algs');
+var asn1 = require('asn1');
+
+var ec = require('ecc-jsbn/lib/ec');
+var jsbn = require('jsbn').BigInteger;
+var nacl = require('tweetnacl');
+
+var MAX_CLASS_DEPTH = 3;
+
+function isCompatible(obj, klass, needVer) {
+	if (obj === null || typeof (obj) !== 'object')
+		return (false);
+	if (needVer === undefined)
+		needVer = klass.prototype._sshpkApiVersion;
+	if (obj instanceof klass &&
+	    klass.prototype._sshpkApiVersion[0] == needVer[0])
+		return (true);
+	var proto = Object.getPrototypeOf(obj);
+	var depth = 0;
+	while (proto.constructor.name !== klass.name) {
+		proto = Object.getPrototypeOf(proto);
+		if (!proto || ++depth > MAX_CLASS_DEPTH)
+			return (false);
+	}
+	if (proto.constructor.name !== klass.name)
+		return (false);
+	var ver = proto._sshpkApiVersion;
+	if (ver === undefined)
+		ver = klass._oldVersionDetect(obj);
+	if (ver[0] != needVer[0] || ver[1] < needVer[1])
+		return (false);
+	return (true);
+}
+
+function assertCompatible(obj, klass, needVer, name) {
+	if (name === undefined)
+		name = 'object';
+	assert.ok(obj, name + ' must not be null');
+	assert.object(obj, name + ' must be an object');
+	if (needVer === undefined)
+		needVer = klass.prototype._sshpkApiVersion;
+	if (obj instanceof klass &&
+	    klass.prototype._sshpkApiVersion[0] == needVer[0])
+		return;
+	var proto = Object.getPrototypeOf(obj);
+	var depth = 0;
+	while (proto.constructor.name !== klass.name) {
+		proto = Object.getPrototypeOf(proto);
+		assert.ok(proto && ++depth <= MAX_CLASS_DEPTH,
+		    name + ' must be a ' + klass.name + ' instance');
+	}
+	assert.strictEqual(proto.constructor.name, klass.name,
+	    name + ' must be a ' + klass.name + ' instance');
+	var ver = proto._sshpkApiVersion;
+	if (ver === undefined)
+		ver = klass._oldVersionDetect(obj);
+	assert.ok(ver[0] == needVer[0] && ver[1] >= needVer[1],
+	    name + ' must be compatible with ' + klass.name + ' klass ' +
+	    'version ' + needVer[0] + '.' + needVer[1]);
+}
+
+var CIPHER_LEN = {
+	'des-ede3-cbc': { key: 24, iv: 8 },
+	'aes-128-cbc': { key: 16, iv: 16 },
+	'aes-256-cbc': { key: 32, iv: 16 }
+};
+var PKCS5_SALT_LEN = 8;
+
+function opensslKeyDeriv(cipher, salt, passphrase, count) {
+	assert.buffer(salt, 'salt');
+	assert.buffer(passphrase, 'passphrase');
+	assert.number(count, 'iteration count');
+
+	var clen = CIPHER_LEN[cipher];
+	assert.object(clen, 'supported cipher');
+
+	salt = salt.slice(0, PKCS5_SALT_LEN);
+
+	var D, D_prev, bufs;
+	var material = Buffer.alloc(0);
+	while (material.length < clen.key + clen.iv) {
+		bufs = [];
+		if (D_prev)
+			bufs.push(D_prev);
+		bufs.push(passphrase);
+		bufs.push(salt);
+		D = Buffer.concat(bufs);
+		for (var j = 0; j < count; ++j)
+			D = crypto.createHash('md5').update(D).digest();
+		material = Buffer.concat([material, D]);
+		D_prev = D;
+	}
+
+	return ({
+	    key: material.slice(0, clen.key),
+	    iv: material.slice(clen.key, clen.key + clen.iv)
+	});
+}
+
+/* See: RFC2898 */
+function pbkdf2(hashAlg, salt, iterations, size, passphrase) {
+	var hkey = Buffer.alloc(salt.length + 4);
+	salt.copy(hkey);
+
+	var gen = 0, ts = [];
+	var i = 1;
+	while (gen < size) {
+		var t = T(i++);
+		gen += t.length;
+		ts.push(t);
+	}
+	return (Buffer.concat(ts).slice(0, size));
+
+	function T(I) {
+		hkey.writeUInt32BE(I, hkey.length - 4);
+
+		var hmac = crypto.createHmac(hashAlg, passphrase);
+		hmac.update(hkey);
+
+		var Ti = hmac.digest();
+		var Uc = Ti;
+		var c = 1;
+		while (c++ < iterations) {
+			hmac = crypto.createHmac(hashAlg, passphrase);
+			hmac.update(Uc);
+			Uc = hmac.digest();
+			for (var x = 0; x < Ti.length; ++x)
+				Ti[x] ^= Uc[x];
+		}
+		return (Ti);
+	}
+}
+
+/* Count leading zero bits on a buffer */
+function countZeros(buf) {
+	var o = 0, obit = 8;
+	while (o < buf.length) {
+		var mask = (1 << obit);
+		if ((buf[o] & mask) === mask)
+			break;
+		obit--;
+		if (obit < 0) {
+			o++;
+			obit = 8;
+		}
+	}
+	return (o*8 + (8 - obit) - 1);
+}
+
+function bufferSplit(buf, chr) {
+	assert.buffer(buf);
+	assert.string(chr);
+
+	var parts = [];
+	var lastPart = 0;
+	var matches = 0;
+	for (var i = 0; i < buf.length; ++i) {
+		if (buf[i] === chr.charCodeAt(matches))
+			++matches;
+		else if (buf[i] === chr.charCodeAt(0))
+			matches = 1;
+		else
+			matches = 0;
+
+		if (matches >= chr.length) {
+			var newPart = i + 1;
+			parts.push(buf.slice(lastPart, newPart - matches));
+			lastPart = newPart;
+			matches = 0;
+		}
+	}
+	if (lastPart <= buf.length)
+		parts.push(buf.slice(lastPart, buf.length));
+
+	return (parts);
+}
+
+function ecNormalize(buf, addZero) {
+	assert.buffer(buf);
+	if (buf[0] === 0x00 && buf[1] === 0x04) {
+		if (addZero)
+			return (buf);
+		return (buf.slice(1));
+	} else if (buf[0] === 0x04) {
+		if (!addZero)
+			return (buf);
+	} else {
+		while (buf[0] === 0x00)
+			buf = buf.slice(1);
+		if (buf[0] === 0x02 || buf[0] === 0x03)
+			throw (new Error('Compressed elliptic curve points ' +
+			    'are not supported'));
+		if (buf[0] !== 0x04)
+			throw (new Error('Not a valid elliptic curve point'));
+		if (!addZero)
+			return (buf);
+	}
+	var b = Buffer.alloc(buf.length + 1);
+	b[0] = 0x0;
+	buf.copy(b, 1);
+	return (b);
+}
+
+function readBitString(der, tag) {
+	if (tag === undefined)
+		tag = asn1.Ber.BitString;
+	var buf = der.readString(tag, true);
+	assert.strictEqual(buf[0], 0x00, 'bit strings with unused bits are ' +
+	    'not supported (0x' + buf[0].toString(16) + ')');
+	return (buf.slice(1));
+}
+
+function writeBitString(der, buf, tag) {
+	if (tag === undefined)
+		tag = asn1.Ber.BitString;
+	var b = Buffer.alloc(buf.length + 1);
+	b[0] = 0x00;
+	buf.copy(b, 1);
+	der.writeBuffer(b, tag);
+}
+
+function mpNormalize(buf) {
+	assert.buffer(buf);
+	while (buf.length > 1 && buf[0] === 0x00 && (buf[1] & 0x80) === 0x00)
+		buf = buf.slice(1);
+	if ((buf[0] & 0x80) === 0x80) {
+		var b = Buffer.alloc(buf.length + 1);
+		b[0] = 0x00;
+		buf.copy(b, 1);
+		buf = b;
+	}
+	return (buf);
+}
+
+function mpDenormalize(buf) {
+	assert.buffer(buf);
+	while (buf.length > 1 && buf[0] === 0x00)
+		buf = buf.slice(1);
+	return (buf);
+}
+
+function zeroPadToLength(buf, len) {
+	assert.buffer(buf);
+	assert.number(len);
+	while (buf.length > len) {
+		assert.equal(buf[0], 0x00);
+		buf = buf.slice(1);
+	}
+	while (buf.length < len) {
+		var b = Buffer.alloc(buf.length + 1);
+		b[0] = 0x00;
+		buf.copy(b, 1);
+		buf = b;
+	}
+	return (buf);
+}
+
+function bigintToMpBuf(bigint) {
+	var buf = Buffer.from(bigint.toByteArray());
+	buf = mpNormalize(buf);
+	return (buf);
+}
+
+function calculateDSAPublic(g, p, x) {
+	assert.buffer(g);
+	assert.buffer(p);
+	assert.buffer(x);
+	g = new jsbn(g);
+	p = new jsbn(p);
+	x = new jsbn(x);
+	var y = g.modPow(x, p);
+	var ybuf = bigintToMpBuf(y);
+	return (ybuf);
+}
+
+function calculateED25519Public(k) {
+	assert.buffer(k);
+
+	var kp = nacl.sign.keyPair.fromSeed(new Uint8Array(k));
+	return (Buffer.from(kp.publicKey));
+}
+
+function calculateX25519Public(k) {
+	assert.buffer(k);
+
+	var kp = nacl.box.keyPair.fromSeed(new Uint8Array(k));
+	return (Buffer.from(kp.publicKey));
+}
+
+function addRSAMissing(key) {
+	assert.object(key);
+	assertCompatible(key, PrivateKey, [1, 1]);
+
+	var d = new jsbn(key.part.d.data);
+	var buf;
+
+	if (!key.part.dmodp) {
+		var p = new jsbn(key.part.p.data);
+		var dmodp = d.mod(p.subtract(1));
+
+		buf = bigintToMpBuf(dmodp);
+		key.part.dmodp = {name: 'dmodp', data: buf};
+		key.parts.push(key.part.dmodp);
+	}
+	if (!key.part.dmodq) {
+		var q = new jsbn(key.part.q.data);
+		var dmodq = d.mod(q.subtract(1));
+
+		buf = bigintToMpBuf(dmodq);
+		key.part.dmodq = {name: 'dmodq', data: buf};
+		key.parts.push(key.part.dmodq);
+	}
+}
+
+function publicFromPrivateECDSA(curveName, priv) {
+	assert.string(curveName, 'curveName');
+	assert.buffer(priv);
+	var params = algs.curves[curveName];
+	var p = new jsbn(params.p);
+	var a = new jsbn(params.a);
+	var b = new jsbn(params.b);
+	var curve = new ec.ECCurveFp(p, a, b);
+	var G = curve.decodePointHex(params.G.toString('hex'));
+
+	var d = new jsbn(mpNormalize(priv));
+	var pub = G.multiply(d);
+	pub = Buffer.from(curve.encodePointHex(pub), 'hex');
+
+	var parts = [];
+	parts.push({name: 'curve', data: Buffer.from(curveName)});
+	parts.push({name: 'Q', data: pub});
+
+	var key = new Key({type: 'ecdsa', curve: curve, parts: parts});
+	return (key);
+}
+
+function opensshCipherInfo(cipher) {
+	var inf = {};
+	switch (cipher) {
+	case '3des-cbc':
+		inf.keySize = 24;
+		inf.blockSize = 8;
+		inf.opensslName = 'des-ede3-cbc';
+		break;
+	case 'blowfish-cbc':
+		inf.keySize = 16;
+		inf.blockSize = 8;
+		inf.opensslName = 'bf-cbc';
+		break;
+	case 'aes128-cbc':
+	case 'aes128-ctr':
+	case 'aes128-gcm@openssh.com':
+		inf.keySize = 16;
+		inf.blockSize = 16;
+		inf.opensslName = 'aes-128-' + cipher.slice(7, 10);
+		break;
+	case 'aes192-cbc':
+	case 'aes192-ctr':
+	case 'aes192-gcm@openssh.com':
+		inf.keySize = 24;
+		inf.blockSize = 16;
+		inf.opensslName = 'aes-192-' + cipher.slice(7, 10);
+		break;
+	case 'aes256-cbc':
+	case 'aes256-ctr':
+	case 'aes256-gcm@openssh.com':
+		inf.keySize = 32;
+		inf.blockSize = 16;
+		inf.opensslName = 'aes-256-' + cipher.slice(7, 10);
+		break;
+	default:
+		throw (new Error(
+		    'Unsupported openssl cipher "' + cipher + '"'));
+	}
+	return (inf);
+}
diff --git a/node_modules/sshpk/man/man1/sshpk-conv.1 b/node_modules/sshpk/man/man1/sshpk-conv.1
new file mode 100644
index 000000000..0887dce27
--- /dev/null
+++ b/node_modules/sshpk/man/man1/sshpk-conv.1
@@ -0,0 +1,135 @@
+.TH sshpk\-conv 1 "Jan 2016" sshpk "sshpk Commands"
+.SH NAME
+.PP
+sshpk\-conv \- convert between key formats
+.SH SYNOPSYS
+.PP
+\fB\fCsshpk\-conv\fR \-t FORMAT [FILENAME] [OPTIONS...]
+.PP
+\fB\fCsshpk\-conv\fR \-i [FILENAME] [OPTIONS...]
+.SH DESCRIPTION
+.PP
+Reads in a public or private key and converts it between different formats,
+particularly formats used in the SSH protocol and the well\-known PEM PKCS#1/7
+formats.
+.PP
+In the second form, with the \fB\fC\-i\fR option given, identifies a key and prints to 
+stderr information about its nature, size and fingerprint.
+.SH EXAMPLES
+.PP
+Assume the following SSH\-format public key in \fB\fCid_ecdsa.pub\fR:
+.PP
+.RS
+.nf
+ecdsa\-sha2\-nistp256 AAAAE2VjZHNhLXNoYTI...9M/4c4= user@host
+.fi
+.RE
+.PP
+Identify it with \fB\fC\-i\fR:
+.PP
+.RS
+.nf
+$ sshpk\-conv \-i id_ecdsa.pub
+id_ecdsa: a 256 bit ECDSA public key
+ECDSA curve: nistp256
+Comment: user@host
+Fingerprint:
+  SHA256:vCNX7eUkdvqqW0m4PoxQAZRv+CM4P4fS8+CbliAvS4k
+  81:ad:d5:57:e5:6f:7d:a2:93:79:56:af:d7:c0:38:51
+.fi
+.RE
+.PP
+Convert it to \fB\fCpkcs8\fR format, for use with e.g. OpenSSL:
+.PP
+.RS
+.nf
+$ sshpk\-conv \-t pkcs8 id_ecdsa
+\-\-\-\-\-BEGIN PUBLIC KEY\-\-\-\-\-
+MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEAsA4R6N6AS3gzaPBeLjG2ObSgUsR
+zOt+kWJoijLnw3ZMYUKmAx+lD0I5XUxdrPcs1vH5f3cn9TvRvO9L0z/hzg==
+\-\-\-\-\-END PUBLIC KEY\-\-\-\-\-
+.fi
+.RE
+.PP
+Retrieve the public half of a private key:
+.PP
+.RS
+.nf
+$ openssl genrsa 2048 | sshpk\-conv \-t ssh \-c foo@bar
+ssh\-rsa AAAAB3NzaC1yc2EAAA...koK7 foo@bar
+.fi
+.RE
+.PP
+Convert a private key to PKCS#1 (OpenSSL) format from a new\-style OpenSSH key
+format (the \fB\fCssh\-keygen \-o\fR format):
+.PP
+.RS
+.nf
+$ ssh\-keygen \-o \-f foobar
+\&...
+$ sshpk\-conv \-p \-t pkcs1 foobar
+\-\-\-\-\-BEGIN RSA PRIVATE KEY\-\-\-\-\-
+MIIDpAIBAAKCAQEA6T/GYJndb1TRH3+NL....
+\-\-\-\-\-END RSA PRIVATE KEY\-\-\-\-\-
+.fi
+.RE
+.SH OPTIONS
+.TP
+\fB\fC\-i, \-\-identify\fR
+Instead of converting the key, output identifying information about it to 
+stderr, including its type, size and fingerprints.
+.TP
+\fB\fC\-p, \-\-private\fR
+Treat the key as a private key instead of a public key (the default). If you
+supply \fB\fCsshpk\-conv\fR with a private key and do not give this option, it will
+extract only the public half of the key from it and work with that.
+.TP
+\fB\fC\-f PATH, \-\-file=PATH\fR
+Input file to take the key from instead of stdin. If a filename is supplied
+as a positional argument, it is equivalent to using this option.
+.TP
+\fB\fC\-o PATH, \-\-out=PATH\fR
+Output file name to use instead of stdout.
+.PP
+\fB\fC\-T FORMAT, \-\-informat=FORMAT\fR
+.TP
+\fB\fC\-t FORMAT, \-\-outformat=FORMAT\fR
+Selects the input and output formats to be used (see FORMATS, below).
+.TP
+\fB\fC\-c TEXT, \-\-comment=TEXT\fR
+Sets the key comment for the output file, if supported.
+.SH FORMATS
+.PP
+Currently supported formats:
+.TP
+\fB\fCpem, pkcs1\fR
+The standard PEM format used by older OpenSSH and most TLS libraries such as
+OpenSSL. The classic \fB\fCid_rsa\fR file is usually in this format. It is an ASN.1
+encoded structure, base64\-encoded and placed between PEM headers.
+.TP
+\fB\fCssh\fR
+The SSH public key text format (the format of an \fB\fCid_rsa.pub\fR file). A single
+line, containing 3 space separated parts: the key type, key body and optional
+key comment.
+.TP
+\fB\fCpkcs8\fR
+A newer PEM format, usually used only for public keys by TLS libraries such
+as OpenSSL. The ASN.1 structure is more generic than that of \fB\fCpkcs1\fR\&.
+.TP
+\fB\fCopenssh\fR
+The new \fB\fCssh\-keygen \-o\fR format from OpenSSH. This can be mistaken for a PEM
+encoding but is actually an OpenSSH internal format.
+.TP
+\fB\fCrfc4253\fR
+The internal binary format of keys when sent over the wire in the SSH
+protocol. This is also the format that the \fB\fCssh\-agent\fR uses in its protocol.
+.SH SEE ALSO
+.PP
+.BR ssh-keygen (1), 
+.BR openssl (1)
+.SH BUGS
+.PP
+Encrypted (password\-protected) keys are not supported.
+.PP
+Report bugs at Github
+\[la]https://github.com/arekinath/node-sshpk/issues\[ra]
diff --git a/node_modules/sshpk/man/man1/sshpk-sign.1 b/node_modules/sshpk/man/man1/sshpk-sign.1
new file mode 100644
index 000000000..749916ba8
--- /dev/null
+++ b/node_modules/sshpk/man/man1/sshpk-sign.1
@@ -0,0 +1,81 @@
+.TH sshpk\-sign 1 "Jan 2016" sshpk "sshpk Commands"
+.SH NAME
+.PP
+sshpk\-sign \- sign data using an SSH key
+.SH SYNOPSYS
+.PP
+\fB\fCsshpk\-sign\fR \-i KEYPATH [OPTION...]
+.SH DESCRIPTION
+.PP
+Takes in arbitrary bytes, and signs them using an SSH private key. The key can
+be of any type or format supported by the \fB\fCsshpk\fR library, including the
+standard OpenSSH formats, as well as PEM PKCS#1 and PKCS#8.
+.PP
+The signature is printed out in Base64 encoding, unless the \fB\fC\-\-binary\fR or \fB\fC\-b\fR
+option is given.
+.SH EXAMPLES
+.PP
+Signing with default settings:
+.PP
+.RS
+.nf
+$ printf 'foo' | sshpk\-sign \-i ~/.ssh/id_ecdsa
+MEUCIAMdLS/vXrrtWFepwe...
+.fi
+.RE
+.PP
+Signing in SSH (RFC 4253) format (rather than the default ASN.1):
+.PP
+.RS
+.nf
+$ printf 'foo' | sshpk\-sign \-i ~/.ssh/id_ecdsa \-t ssh
+AAAAFGVjZHNhLXNoYTIt...
+.fi
+.RE
+.PP
+Saving the binary signature to a file:
+.PP
+.RS
+.nf
+$ printf 'foo' | sshpk\-sign \-i ~/.ssh/id_ecdsa \\
+                            \-o signature.bin \-b
+$ cat signature.bin | base64
+MEUCIAMdLS/vXrrtWFepwe...
+.fi
+.RE
+.SH OPTIONS
+.TP
+\fB\fC\-v, \-\-verbose\fR
+Print extra information about the key and signature to stderr when signing.
+.TP
+\fB\fC\-b, \-\-binary\fR
+Don't base64\-encode the signature before outputting it.
+.TP
+\fB\fC\-i KEY, \-\-identity=KEY\fR
+Select the key to be used for signing. \fB\fCKEY\fR must be a relative or absolute
+filesystem path to the key file. Any format supported by the \fB\fCsshpk\fR library
+is supported, including OpenSSH formats and standard PEM PKCS.
+.TP
+\fB\fC\-f PATH, \-\-file=PATH\fR
+Input file to sign instead of stdin.
+.TP
+\fB\fC\-o PATH, \-\-out=PATH\fR
+Output file to save signature in instead of stdout.
+.TP
+\fB\fC\-H HASH, \-\-hash=HASH\fR
+Set the hash algorithm to be used for signing. This should be one of \fB\fCsha1\fR,
+\fB\fCsha256\fR or \fB\fCsha512\fR\&. Some key types may place restrictions on which hash
+algorithms may be used (e.g. ED25519 keys can only use SHA\-512).
+.TP
+\fB\fC\-t FORMAT, \-\-format=FORMAT\fR
+Choose the signature format to use, from \fB\fCasn1\fR, \fB\fCssh\fR or \fB\fCraw\fR (only for
+ED25519 signatures). The \fB\fCasn1\fR format is the default, as it is the format
+used with TLS and typically the standard in most non\-SSH libraries (e.g.
+OpenSSL). The \fB\fCssh\fR format is used in the SSH protocol and by the ssh\-agent.
+.SH SEE ALSO
+.PP
+.BR sshpk-verify (1)
+.SH BUGS
+.PP
+Report bugs at Github
+\[la]https://github.com/arekinath/node-sshpk/issues\[ra]
diff --git a/node_modules/sshpk/man/man1/sshpk-verify.1 b/node_modules/sshpk/man/man1/sshpk-verify.1
new file mode 100644
index 000000000..f79169d27
--- /dev/null
+++ b/node_modules/sshpk/man/man1/sshpk-verify.1
@@ -0,0 +1,68 @@
+.TH sshpk\-verify 1 "Jan 2016" sshpk "sshpk Commands"
+.SH NAME
+.PP
+sshpk\-verify \- verify a signature on data using an SSH key
+.SH SYNOPSYS
+.PP
+\fB\fCsshpk\-verify\fR \-i KEYPATH \-s SIGNATURE [OPTION...]
+.SH DESCRIPTION
+.PP
+Takes in arbitrary bytes and a Base64\-encoded signature, and verifies that the
+signature was produced by the private half of the given SSH public key.
+.SH EXAMPLES
+.PP
+.RS
+.nf
+$ printf 'foo' | sshpk\-verify \-i ~/.ssh/id_ecdsa \-s MEUCIQCYp...
+OK
+$ printf 'foo' | sshpk\-verify \-i ~/.ssh/id_ecdsa \-s GARBAGE...
+NOT OK
+.fi
+.RE
+.SH EXIT STATUS
+.TP
+\fB\fC0\fR
+Signature validates and matches the key.
+.TP
+\fB\fC1\fR
+Signature is parseable and the correct length but does not match the key or
+otherwise is invalid.
+.TP
+\fB\fC2\fR
+The signature or key could not be parsed.
+.TP
+\fB\fC3\fR
+Invalid commandline options were supplied.
+.SH OPTIONS
+.TP
+\fB\fC\-v, \-\-verbose\fR
+Print extra information about the key and signature to stderr when verifying.
+.TP
+\fB\fC\-i KEY, \-\-identity=KEY\fR
+Select the key to be used for verification. \fB\fCKEY\fR must be a relative or
+absolute filesystem path to the key file. Any format supported by the \fB\fCsshpk\fR
+library is supported, including OpenSSH formats and standard PEM PKCS.
+.TP
+\fB\fC\-s BASE64, \-\-signature=BASE64\fR
+Supplies the base64\-encoded signature to be verified.
+.TP
+\fB\fC\-f PATH, \-\-file=PATH\fR
+Input file to verify instead of stdin.
+.TP
+\fB\fC\-H HASH, \-\-hash=HASH\fR
+Set the hash algorithm to be used for signing. This should be one of \fB\fCsha1\fR,
+\fB\fCsha256\fR or \fB\fCsha512\fR\&. Some key types may place restrictions on which hash
+algorithms may be used (e.g. ED25519 keys can only use SHA\-512).
+.TP
+\fB\fC\-t FORMAT, \-\-format=FORMAT\fR
+Choose the signature format to use, from \fB\fCasn1\fR, \fB\fCssh\fR or \fB\fCraw\fR (only for
+ED25519 signatures). The \fB\fCasn1\fR format is the default, as it is the format
+used with TLS and typically the standard in most non\-SSH libraries (e.g.
+OpenSSL). The \fB\fCssh\fR format is used in the SSH protocol and by the ssh\-agent.
+.SH SEE ALSO
+.PP
+.BR sshpk-sign (1)
+.SH BUGS
+.PP
+Report bugs at Github
+\[la]https://github.com/arekinath/node-sshpk/issues\[ra]
diff --git a/node_modules/sshpk/package.json b/node_modules/sshpk/package.json
new file mode 100644
index 000000000..967a8d3fe
--- /dev/null
+++ b/node_modules/sshpk/package.json
@@ -0,0 +1,60 @@
+{
+  "name": "sshpk",
+  "version": "1.17.0",
+  "description": "A library for finding and using SSH public keys",
+  "main": "lib/index.js",
+  "scripts": {
+    "test": "tape test/*.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/joyent/node-sshpk.git"
+  },
+  "author": "Joyent, Inc",
+  "contributors": [
+    {
+      "name": "Dave Eddy",
+      "email": "dave@daveeddy.com"
+    },
+    {
+      "name": "Mark Cavage",
+      "email": "mcavage@gmail.com"
+    },
+    {
+      "name": "Alex Wilson",
+      "email": "alex@cooperi.net"
+    }
+  ],
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/arekinath/node-sshpk/issues"
+  },
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "directories": {
+    "bin": "./bin",
+    "lib": "./lib",
+    "man": "./man/man1"
+  },
+  "homepage": "https://github.com/arekinath/node-sshpk#readme",
+  "dependencies": {
+    "asn1": "~0.2.3",
+    "assert-plus": "^1.0.0",
+    "dashdash": "^1.12.0",
+    "getpass": "^0.1.1",
+    "safer-buffer": "^2.0.2",
+    "jsbn": "~0.1.0",
+    "tweetnacl": "~0.14.0",
+    "ecc-jsbn": "~0.1.1",
+    "bcrypt-pbkdf": "^1.0.0"
+  },
+  "optionalDependencies": {
+  },
+  "devDependencies": {
+    "tape": "^3.5.0",
+    "benchmark": "^1.0.0",
+    "sinon": "^1.17.2",
+    "temp": "^0.8.2"
+  }
+}
diff --git a/node_modules/statuses/HISTORY.md b/node_modules/statuses/HISTORY.md
new file mode 100644
index 000000000..fa4556ef2
--- /dev/null
+++ b/node_modules/statuses/HISTORY.md
@@ -0,0 +1,82 @@
+2.0.1 / 2021-01-03
+==================
+
+  * Fix returning values from `Object.prototype`
+
+2.0.0 / 2020-04-19
+==================
+
+  * Drop support for Node.js 0.6
+  * Fix messaging casing of `418 I'm a Teapot`
+  * Remove code 306
+  * Remove `status[code]` exports; use `status.message[code]`
+  * Remove `status[msg]` exports; use `status.code[msg]`
+  * Rename `425 Unordered Collection` to standard `425 Too Early`
+  * Rename `STATUS_CODES` export to `message`
+  * Return status message for `statuses(code)` when given code
+
+1.5.0 / 2018-03-27
+==================
+
+  * Add `103 Early Hints`
+
+1.4.0 / 2017-10-20
+==================
+
+  * Add `STATUS_CODES` export
+
+1.3.1 / 2016-11-11
+==================
+
+  * Fix return type in JSDoc
+
+1.3.0 / 2016-05-17
+==================
+
+  * Add `421 Misdirected Request`
+  * perf: enable strict mode
+
+1.2.1 / 2015-02-01
+==================
+
+  * Fix message for status 451
+    - `451 Unavailable For Legal Reasons`
+
+1.2.0 / 2014-09-28
+==================
+
+  * Add `208 Already Repored`
+  * Add `226 IM Used`
+  * Add `306 (Unused)`
+  * Add `415 Unable For Legal Reasons`
+  * Add `508 Loop Detected`
+
+1.1.1 / 2014-09-24
+==================
+
+  * Add missing 308 to `codes.json`
+
+1.1.0 / 2014-09-21
+==================
+
+  * Add `codes.json` for universal support
+
+1.0.4 / 2014-08-20
+==================
+
+  * Package cleanup
+
+1.0.3 / 2014-06-08
+==================
+
+  * Add 308 to `.redirect` category
+
+1.0.2 / 2014-03-13
+==================
+
+  * Add `.retry` category
+
+1.0.1 / 2014-03-12
+==================
+
+  * Initial release
diff --git a/node_modules/statuses/LICENSE b/node_modules/statuses/LICENSE
new file mode 100644
index 000000000..28a316182
--- /dev/null
+++ b/node_modules/statuses/LICENSE
@@ -0,0 +1,23 @@
+
+The MIT License (MIT)
+
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2016 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/statuses/README.md b/node_modules/statuses/README.md
new file mode 100644
index 000000000..57967e6e6
--- /dev/null
+++ b/node_modules/statuses/README.md
@@ -0,0 +1,136 @@
+# statuses
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][ci-image]][ci-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+HTTP status utility for node.
+
+This module provides a list of status codes and messages sourced from
+a few different projects:
+
+  * The [IANA Status Code Registry](https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml)
+  * The [Node.js project](https://nodejs.org/)
+  * The [NGINX project](https://www.nginx.com/)
+  * The [Apache HTTP Server project](https://httpd.apache.org/)
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install statuses
+```
+
+## API
+
+<!-- eslint-disable no-unused-vars -->
+
+```js
+var status = require('statuses')
+```
+
+### status(code)
+
+Returns the status message string for a known HTTP status code. The code
+may be a number or a string. An error is thrown for an unknown status code.
+
+<!-- eslint-disable no-undef -->
+
+```js
+status(403) // => 'Forbidden'
+status('403') // => 'Forbidden'
+status(306) // throws
+```
+
+### status(msg)
+
+Returns the numeric status code for a known HTTP status message. The message
+is case-insensitive. An error is thrown for an unknown status message.
+
+<!-- eslint-disable no-undef -->
+
+```js
+status('forbidden') // => 403
+status('Forbidden') // => 403
+status('foo') // throws
+```
+
+### status.codes
+
+Returns an array of all the status codes as `Integer`s.
+
+### status.code[msg]
+
+Returns the numeric status code for a known status message (in lower-case),
+otherwise `undefined`.
+
+<!-- eslint-disable no-undef, no-unused-expressions -->
+
+```js
+status['not found'] // => 404
+```
+
+### status.empty[code]
+
+Returns `true` if a status code expects an empty body.
+
+<!-- eslint-disable no-undef, no-unused-expressions -->
+
+```js
+status.empty[200] // => undefined
+status.empty[204] // => true
+status.empty[304] // => true
+```
+
+### status.message[code]
+
+Returns the string message for a known numeric status code, otherwise
+`undefined`. This object is the same format as the
+[Node.js http module `http.STATUS_CODES`](https://nodejs.org/dist/latest/docs/api/http.html#http_http_status_codes).
+
+<!-- eslint-disable no-undef, no-unused-expressions -->
+
+```js
+status.message[404] // => 'Not Found'
+```
+
+### status.redirect[code]
+
+Returns `true` if a status code is a valid redirect status.
+
+<!-- eslint-disable no-undef, no-unused-expressions -->
+
+```js
+status.redirect[200] // => undefined
+status.redirect[301] // => true
+```
+
+### status.retry[code]
+
+Returns `true` if you should retry the rest.
+
+<!-- eslint-disable no-undef, no-unused-expressions -->
+
+```js
+status.retry[501] // => undefined
+status.retry[503] // => true
+```
+
+## License
+
+[MIT](LICENSE)
+
+[ci-image]: https://badgen.net/github/checks/jshttp/statuses/master?label=ci
+[ci-url]: https://github.com/jshttp/statuses/actions?query=workflow%3Aci
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/statuses/master
+[coveralls-url]: https://coveralls.io/r/jshttp/statuses?branch=master
+[node-version-image]: https://badgen.net/npm/node/statuses
+[node-version-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/statuses
+[npm-url]: https://npmjs.org/package/statuses
+[npm-version-image]: https://badgen.net/npm/v/statuses
diff --git a/node_modules/statuses/codes.json b/node_modules/statuses/codes.json
new file mode 100644
index 000000000..1333ed10b
--- /dev/null
+++ b/node_modules/statuses/codes.json
@@ -0,0 +1,65 @@
+{
+  "100": "Continue",
+  "101": "Switching Protocols",
+  "102": "Processing",
+  "103": "Early Hints",
+  "200": "OK",
+  "201": "Created",
+  "202": "Accepted",
+  "203": "Non-Authoritative Information",
+  "204": "No Content",
+  "205": "Reset Content",
+  "206": "Partial Content",
+  "207": "Multi-Status",
+  "208": "Already Reported",
+  "226": "IM Used",
+  "300": "Multiple Choices",
+  "301": "Moved Permanently",
+  "302": "Found",
+  "303": "See Other",
+  "304": "Not Modified",
+  "305": "Use Proxy",
+  "307": "Temporary Redirect",
+  "308": "Permanent Redirect",
+  "400": "Bad Request",
+  "401": "Unauthorized",
+  "402": "Payment Required",
+  "403": "Forbidden",
+  "404": "Not Found",
+  "405": "Method Not Allowed",
+  "406": "Not Acceptable",
+  "407": "Proxy Authentication Required",
+  "408": "Request Timeout",
+  "409": "Conflict",
+  "410": "Gone",
+  "411": "Length Required",
+  "412": "Precondition Failed",
+  "413": "Payload Too Large",
+  "414": "URI Too Long",
+  "415": "Unsupported Media Type",
+  "416": "Range Not Satisfiable",
+  "417": "Expectation Failed",
+  "418": "I'm a Teapot",
+  "421": "Misdirected Request",
+  "422": "Unprocessable Entity",
+  "423": "Locked",
+  "424": "Failed Dependency",
+  "425": "Too Early",
+  "426": "Upgrade Required",
+  "428": "Precondition Required",
+  "429": "Too Many Requests",
+  "431": "Request Header Fields Too Large",
+  "451": "Unavailable For Legal Reasons",
+  "500": "Internal Server Error",
+  "501": "Not Implemented",
+  "502": "Bad Gateway",
+  "503": "Service Unavailable",
+  "504": "Gateway Timeout",
+  "505": "HTTP Version Not Supported",
+  "506": "Variant Also Negotiates",
+  "507": "Insufficient Storage",
+  "508": "Loop Detected",
+  "509": "Bandwidth Limit Exceeded",
+  "510": "Not Extended",
+  "511": "Network Authentication Required"
+}
diff --git a/node_modules/statuses/index.js b/node_modules/statuses/index.js
new file mode 100644
index 000000000..ea351c553
--- /dev/null
+++ b/node_modules/statuses/index.js
@@ -0,0 +1,146 @@
+/*!
+ * statuses
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var codes = require('./codes.json')
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = status
+
+// status code to message map
+status.message = codes
+
+// status message (lower-case) to code map
+status.code = createMessageToStatusCodeMap(codes)
+
+// array of status codes
+status.codes = createStatusCodeList(codes)
+
+// status codes for redirects
+status.redirect = {
+  300: true,
+  301: true,
+  302: true,
+  303: true,
+  305: true,
+  307: true,
+  308: true
+}
+
+// status codes for empty bodies
+status.empty = {
+  204: true,
+  205: true,
+  304: true
+}
+
+// status codes for when you should retry the request
+status.retry = {
+  502: true,
+  503: true,
+  504: true
+}
+
+/**
+ * Create a map of message to status code.
+ * @private
+ */
+
+function createMessageToStatusCodeMap (codes) {
+  var map = {}
+
+  Object.keys(codes).forEach(function forEachCode (code) {
+    var message = codes[code]
+    var status = Number(code)
+
+    // populate map
+    map[message.toLowerCase()] = status
+  })
+
+  return map
+}
+
+/**
+ * Create a list of all status codes.
+ * @private
+ */
+
+function createStatusCodeList (codes) {
+  return Object.keys(codes).map(function mapCode (code) {
+    return Number(code)
+  })
+}
+
+/**
+ * Get the status code for given message.
+ * @private
+ */
+
+function getStatusCode (message) {
+  var msg = message.toLowerCase()
+
+  if (!Object.prototype.hasOwnProperty.call(status.code, msg)) {
+    throw new Error('invalid status message: "' + message + '"')
+  }
+
+  return status.code[msg]
+}
+
+/**
+ * Get the status message for given code.
+ * @private
+ */
+
+function getStatusMessage (code) {
+  if (!Object.prototype.hasOwnProperty.call(status.message, code)) {
+    throw new Error('invalid status code: ' + code)
+  }
+
+  return status.message[code]
+}
+
+/**
+ * Get the status code.
+ *
+ * Given a number, this will throw if it is not a known status
+ * code, otherwise the code will be returned. Given a string,
+ * the string will be parsed for a number and return the code
+ * if valid, otherwise will lookup the code assuming this is
+ * the status message.
+ *
+ * @param {string|number} code
+ * @returns {number}
+ * @public
+ */
+
+function status (code) {
+  if (typeof code === 'number') {
+    return getStatusMessage(code)
+  }
+
+  if (typeof code !== 'string') {
+    throw new TypeError('code must be a number or string')
+  }
+
+  // '403'
+  var n = parseInt(code, 10)
+  if (!isNaN(n)) {
+    return getStatusMessage(n)
+  }
+
+  return getStatusCode(code)
+}
diff --git a/node_modules/statuses/package.json b/node_modules/statuses/package.json
new file mode 100644
index 000000000..8c3e719b5
--- /dev/null
+++ b/node_modules/statuses/package.json
@@ -0,0 +1,49 @@
+{
+  "name": "statuses",
+  "description": "HTTP status utility",
+  "version": "2.0.1",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "repository": "jshttp/statuses",
+  "license": "MIT",
+  "keywords": [
+    "http",
+    "status",
+    "code"
+  ],
+  "files": [
+    "HISTORY.md",
+    "index.js",
+    "codes.json",
+    "LICENSE"
+  ],
+  "devDependencies": {
+    "csv-parse": "4.14.2",
+    "eslint": "7.17.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.22.1",
+    "eslint-plugin-markdown": "1.0.2",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "4.2.1",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "8.2.1",
+    "nyc": "15.1.0",
+    "raw-body": "2.4.1",
+    "stream-to-array": "2.3.0"
+  },
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "build": "node scripts/build.js",
+    "fetch": "node scripts/fetch-apache.js && node scripts/fetch-iana.js && node scripts/fetch-nginx.js && node scripts/fetch-node.js",
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --reporter spec --check-leaks --bail test/",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "update": "npm run fetch && npm run build",
+    "version": "node scripts/version-history.js && git add HISTORY.md"
+  }
+}
diff --git a/node_modules/text-encoder/LICENSE b/node_modules/text-encoder/LICENSE
new file mode 100644
index 000000000..16a64d688
--- /dev/null
+++ b/node_modules/text-encoder/LICENSE
@@ -0,0 +1,13 @@
+The MIT License (MIT)
+Copyright (c) 2016 Till Affeldt
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
+documentation files (the "Software"),to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/text-encoder/README.md b/node_modules/text-encoder/README.md
new file mode 100644
index 000000000..255054aba
--- /dev/null
+++ b/node_modules/text-encoder/README.md
@@ -0,0 +1,9 @@
+# TextEncoder for node.js
+
+https://developer.mozilla.org/en-US/docs/Web/API/TextEncoder/encode
+
+```
+> require('.')
+{ TextEncoder: [Function: TextEncoder],
+  TextDecoder: [Function: TextDecoder] }
+```
diff --git a/node_modules/text-encoder/index.js b/node_modules/text-encoder/index.js
new file mode 100644
index 000000000..fe1d3b220
--- /dev/null
+++ b/node_modules/text-encoder/index.js
@@ -0,0 +1,60 @@
+var utf8Encodings = [
+  'utf8',
+  'utf-8',
+  'unicode-1-1-utf-8'
+];
+
+function TextEncoder(encoding) {
+  if (utf8Encodings.indexOf(encoding) < 0 && typeof encoding !== 'undefined' && encoding != null) {
+    throw new RangeError('Invalid encoding type. Only utf-8 is supported');
+  } else {
+    this.encoding = 'utf-8';
+    this.encode = function(str) {
+      if (typeof str !== 'string') {
+        throw new TypeError('passed argument must be of tye string');
+      }
+      var binstr = unescape(encodeURIComponent(str)),
+        arr = new Uint8Array(binstr.length);
+      const split = binstr.split('');
+      for (let i = 0; i < split.length; i++) {
+        arr[i] = split[i].charCodeAt(0);
+      }
+      return arr;
+    };
+  }
+}
+
+function TextDecoder(encoding) {
+  if (utf8Encodings.indexOf(encoding) < 0 && typeof encoding !== 'undefined' && encoding != null) {
+    throw new RangeError('Invalid encoding type. Only utf-8 is supported');
+  }
+  else {
+    this.encoding = 'utf-8';
+    this.decode = function (view, options) {
+      if (typeof view === 'undefined') {
+        return '';
+      }
+
+      var stream = (typeof options !== 'undefined' && stream in options) ? options.stream : false;
+      if (typeof stream !== 'boolean') {
+        throw new TypeError('stream option must be boolean');
+      }
+
+      if (!ArrayBuffer.isView(view)) {
+        throw new TypeError('passed argument must be an array buffer view');
+      } else {
+        var arr = new Uint8Array(view.buffer, view.byteOffset, view.byteLength),
+          charArr = new Array(arr.length);
+        for (let i = 0; i < arr.length; i++) {
+          charArr[i] = String.fromCharCode(arr[i]);
+        }
+        return decodeURIComponent(escape(charArr.join('')));
+      }
+    }
+  }
+}
+
+module.exports = {
+  TextEncoder,
+  TextDecoder,
+};
diff --git a/node_modules/text-encoder/package.json b/node_modules/text-encoder/package.json
new file mode 100644
index 000000000..80371bc5f
--- /dev/null
+++ b/node_modules/text-encoder/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "text-encoder",
+  "version": "0.0.4",
+  "description": "TextEncoder for node.js",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/modulesio/text-encoder.git"
+  },
+  "author": "Avaer Kazmer <a@modules.io>",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/modulesio/text-encoder/issues"
+  },
+  "homepage": "https://github.com/modulesio/text-encoder#readme"
+}
diff --git a/node_modules/toidentifier/HISTORY.md b/node_modules/toidentifier/HISTORY.md
new file mode 100644
index 000000000..cb7cc8927
--- /dev/null
+++ b/node_modules/toidentifier/HISTORY.md
@@ -0,0 +1,9 @@
+1.0.1 / 2021-11-14
+==================
+
+  * pref: enable strict mode
+
+1.0.0 / 2018-07-09
+==================
+
+  * Initial release
diff --git a/node_modules/toidentifier/LICENSE b/node_modules/toidentifier/LICENSE
new file mode 100644
index 000000000..de22d1597
--- /dev/null
+++ b/node_modules/toidentifier/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2016 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/toidentifier/README.md b/node_modules/toidentifier/README.md
new file mode 100644
index 000000000..57e8a78ab
--- /dev/null
+++ b/node_modules/toidentifier/README.md
@@ -0,0 +1,61 @@
+# toidentifier
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Build Status][github-actions-ci-image]][github-actions-ci-url]
+[![Test Coverage][codecov-image]][codecov-url]
+
+> Convert a string of words to a JavaScript identifier
+
+## Install
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```bash
+$ npm install toidentifier
+```
+
+## Example
+
+```js
+var toIdentifier = require('toidentifier')
+
+console.log(toIdentifier('Bad Request'))
+// => "BadRequest"
+```
+
+## API
+
+This CommonJS module exports a single default function: `toIdentifier`.
+
+### toIdentifier(string)
+
+Given a string as the argument, it will be transformed according to
+the following rules and the new string will be returned:
+
+1. Split into words separated by space characters (`0x20`).
+2. Upper case the first character of each word.
+3. Join the words together with no separator.
+4. Remove all non-word (`[0-9a-z_]`) characters.
+
+## License
+
+[MIT](LICENSE)
+
+[codecov-image]: https://img.shields.io/codecov/c/github/component/toidentifier.svg
+[codecov-url]: https://codecov.io/gh/component/toidentifier
+[downloads-image]: https://img.shields.io/npm/dm/toidentifier.svg
+[downloads-url]: https://npmjs.org/package/toidentifier
+[github-actions-ci-image]: https://img.shields.io/github/workflow/status/component/toidentifier/ci/master?label=ci
+[github-actions-ci-url]: https://github.com/component/toidentifier?query=workflow%3Aci
+[npm-image]: https://img.shields.io/npm/v/toidentifier.svg
+[npm-url]: https://npmjs.org/package/toidentifier
+
+
+##
+
+[npm]: https://www.npmjs.com/
+
+[yarn]: https://yarnpkg.com/
diff --git a/node_modules/toidentifier/index.js b/node_modules/toidentifier/index.js
new file mode 100644
index 000000000..9295d024a
--- /dev/null
+++ b/node_modules/toidentifier/index.js
@@ -0,0 +1,32 @@
+/*!
+ * toidentifier
+ * Copyright(c) 2016 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = toIdentifier
+
+/**
+ * Trasform the given string into a JavaScript identifier
+ *
+ * @param {string} str
+ * @returns {string}
+ * @public
+ */
+
+function toIdentifier (str) {
+  return str
+    .split(' ')
+    .map(function (token) {
+      return token.slice(0, 1).toUpperCase() + token.slice(1)
+    })
+    .join('')
+    .replace(/[^ _0-9a-z]/gi, '')
+}
diff --git a/node_modules/toidentifier/package.json b/node_modules/toidentifier/package.json
new file mode 100644
index 000000000..42db1a664
--- /dev/null
+++ b/node_modules/toidentifier/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "toidentifier",
+  "description": "Convert a string of words to a JavaScript identifier",
+  "version": "1.0.1",
+  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Nick Baugh <niftylettuce@gmail.com> (http://niftylettuce.com/)"
+  ],
+  "repository": "component/toidentifier",
+  "devDependencies": {
+    "eslint": "7.32.0",
+    "eslint-config-standard": "14.1.1",
+    "eslint-plugin-import": "2.25.3",
+    "eslint-plugin-markdown": "2.2.1",
+    "eslint-plugin-node": "11.1.0",
+    "eslint-plugin-promise": "4.3.1",
+    "eslint-plugin-standard": "4.1.0",
+    "mocha": "9.1.3",
+    "nyc": "15.1.0"
+  },
+  "engines": {
+    "node": ">=0.6"
+  },
+  "license": "MIT",
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "index.js"
+  ],
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-ci": "nyc --reporter=lcov --reporter=text npm test",
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "version": "node scripts/version-history.js && git add HISTORY.md"
+  }
+}
diff --git a/node_modules/tough-cookie/LICENSE b/node_modules/tough-cookie/LICENSE
new file mode 100644
index 000000000..22204e875
--- /dev/null
+++ b/node_modules/tough-cookie/LICENSE
@@ -0,0 +1,12 @@
+Copyright (c) 2015, Salesforce.com, Inc.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+3. Neither the name of Salesforce.com nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/tough-cookie/README.md b/node_modules/tough-cookie/README.md
new file mode 100644
index 000000000..656a25556
--- /dev/null
+++ b/node_modules/tough-cookie/README.md
@@ -0,0 +1,527 @@
+[RFC6265](https://tools.ietf.org/html/rfc6265) Cookies and CookieJar for Node.js
+
+[![npm package](https://nodei.co/npm/tough-cookie.png?downloads=true&downloadRank=true&stars=true)](https://nodei.co/npm/tough-cookie/)
+
+[![Build Status](https://travis-ci.org/salesforce/tough-cookie.png?branch=master)](https://travis-ci.org/salesforce/tough-cookie)
+
+# Synopsis
+
+``` javascript
+var tough = require('tough-cookie');
+var Cookie = tough.Cookie;
+var cookie = Cookie.parse(header);
+cookie.value = 'somethingdifferent';
+header = cookie.toString();
+
+var cookiejar = new tough.CookieJar();
+cookiejar.setCookie(cookie, 'http://currentdomain.example.com/path', cb);
+// ...
+cookiejar.getCookies('http://example.com/otherpath',function(err,cookies) {
+  res.headers['cookie'] = cookies.join('; ');
+});
+```
+
+# Installation
+
+It's _so_ easy!
+
+`npm install tough-cookie`
+
+Why the name?  NPM modules `cookie`, `cookies` and `cookiejar` were already taken.
+
+## Version Support
+
+Support for versions of node.js will follow that of the [request](https://www.npmjs.com/package/request) module.
+
+# API
+
+## tough
+
+Functions on the module you get from `require('tough-cookie')`.  All can be used as pure functions and don't need to be "bound".
+
+**Note**: prior to 1.0.x, several of these functions took a `strict` parameter. This has since been removed from the API as it was no longer necessary.
+
+### `parseDate(string)`
+
+Parse a cookie date string into a `Date`.  Parses according to RFC6265 Section 5.1.1, not `Date.parse()`.
+
+### `formatDate(date)`
+
+Format a Date into a RFC1123 string (the RFC6265-recommended format).
+
+### `canonicalDomain(str)`
+
+Transforms a domain-name into a canonical domain-name.  The canonical domain-name is a trimmed, lowercased, stripped-of-leading-dot and optionally punycode-encoded domain-name (Section 5.1.2 of RFC6265).  For the most part, this function is idempotent (can be run again on its output without ill effects).
+
+### `domainMatch(str,domStr[,canonicalize=true])`
+
+Answers "does this real domain match the domain in a cookie?".  The `str` is the "current" domain-name and the `domStr` is the "cookie" domain-name.  Matches according to RFC6265 Section 5.1.3, but it helps to think of it as a "suffix match".
+
+The `canonicalize` parameter will run the other two parameters through `canonicalDomain` or not.
+
+### `defaultPath(path)`
+
+Given a current request/response path, gives the Path apropriate for storing in a cookie.  This is basically the "directory" of a "file" in the path, but is specified by Section 5.1.4 of the RFC.
+
+The `path` parameter MUST be _only_ the pathname part of a URI (i.e. excludes the hostname, query, fragment, etc.).  This is the `.pathname` property of node's `uri.parse()` output.
+
+### `pathMatch(reqPath,cookiePath)`
+
+Answers "does the request-path path-match a given cookie-path?" as per RFC6265 Section 5.1.4.  Returns a boolean.
+
+This is essentially a prefix-match where `cookiePath` is a prefix of `reqPath`.
+
+### `parse(cookieString[, options])`
+
+alias for `Cookie.parse(cookieString[, options])`
+
+### `fromJSON(string)`
+
+alias for `Cookie.fromJSON(string)`
+
+### `getPublicSuffix(hostname)`
+
+Returns the public suffix of this hostname.  The public suffix is the shortest domain-name upon which a cookie can be set.  Returns `null` if the hostname cannot have cookies set for it.
+
+For example: `www.example.com` and `www.subdomain.example.com` both have public suffix `example.com`.
+
+For further information, see http://publicsuffix.org/.  This module derives its list from that site. This call is currently a wrapper around [`psl`](https://www.npmjs.com/package/psl)'s [get() method](https://www.npmjs.com/package/psl#pslgetdomain).
+
+### `cookieCompare(a,b)`
+
+For use with `.sort()`, sorts a list of cookies into the recommended order given in the RFC (Section 5.4 step 2). The sort algorithm is, in order of precedence:
+
+* Longest `.path`
+* oldest `.creation` (which has a 1ms precision, same as `Date`)
+* lowest `.creationIndex` (to get beyond the 1ms precision)
+
+``` javascript
+var cookies = [ /* unsorted array of Cookie objects */ ];
+cookies = cookies.sort(cookieCompare);
+```
+
+**Note**: Since JavaScript's `Date` is limited to a 1ms precision, cookies within the same milisecond are entirely possible. This is especially true when using the `now` option to `.setCookie()`. The `.creationIndex` property is a per-process global counter, assigned during construction with `new Cookie()`. This preserves the spirit of the RFC sorting: older cookies go first. This works great for `MemoryCookieStore`, since `Set-Cookie` headers are parsed in order, but may not be so great for distributed systems. Sophisticated `Store`s may wish to set this to some other _logical clock_ such that if cookies A and B are created in the same millisecond, but cookie A is created before cookie B, then `A.creationIndex < B.creationIndex`. If you want to alter the global counter, which you probably _shouldn't_ do, it's stored in `Cookie.cookiesCreated`.
+
+### `permuteDomain(domain)`
+
+Generates a list of all possible domains that `domainMatch()` the parameter.  May be handy for implementing cookie stores.
+
+### `permutePath(path)`
+
+Generates a list of all possible paths that `pathMatch()` the parameter.  May be handy for implementing cookie stores.
+
+
+## Cookie
+
+Exported via `tough.Cookie`.
+
+### `Cookie.parse(cookieString[, options])`
+
+Parses a single Cookie or Set-Cookie HTTP header into a `Cookie` object.  Returns `undefined` if the string can't be parsed.
+
+The options parameter is not required and currently has only one property:
+
+  * _loose_ - boolean - if `true` enable parsing of key-less cookies like `=abc` and `=`, which are not RFC-compliant.
+
+If options is not an object, it is ignored, which means you can use `Array#map` with it.
+
+Here's how to process the Set-Cookie header(s) on a node HTTP/HTTPS response:
+
+``` javascript
+if (res.headers['set-cookie'] instanceof Array)
+  cookies = res.headers['set-cookie'].map(Cookie.parse);
+else
+  cookies = [Cookie.parse(res.headers['set-cookie'])];
+```
+
+_Note:_ in version 2.3.3, tough-cookie limited the number of spaces before the `=` to 256 characters. This limitation has since been removed.
+See [Issue 92](https://github.com/salesforce/tough-cookie/issues/92)
+
+### Properties
+
+Cookie object properties:
+
+  * _key_ - string - the name or key of the cookie (default "")
+  * _value_ - string - the value of the cookie (default "")
+  * _expires_ - `Date` - if set, the `Expires=` attribute of the cookie (defaults to the string `"Infinity"`). See `setExpires()`
+  * _maxAge_ - seconds - if set, the `Max-Age=` attribute _in seconds_ of the cookie.  May also be set to strings `"Infinity"` and `"-Infinity"` for non-expiry and immediate-expiry, respectively.  See `setMaxAge()`
+  * _domain_ - string - the `Domain=` attribute of the cookie
+  * _path_ - string - the `Path=` of the cookie
+  * _secure_ - boolean - the `Secure` cookie flag
+  * _httpOnly_ - boolean - the `HttpOnly` cookie flag
+  * _extensions_ - `Array` - any unrecognized cookie attributes as strings (even if equal-signs inside)
+  * _creation_ - `Date` - when this cookie was constructed
+  * _creationIndex_ - number - set at construction, used to provide greater sort precision (please see `cookieCompare(a,b)` for a full explanation)
+
+After a cookie has been passed through `CookieJar.setCookie()` it will have the following additional attributes:
+
+  * _hostOnly_ - boolean - is this a host-only cookie (i.e. no Domain field was set, but was instead implied)
+  * _pathIsDefault_ - boolean - if true, there was no Path field on the cookie and `defaultPath()` was used to derive one.
+  * _creation_ - `Date` - **modified** from construction to when the cookie was added to the jar
+  * _lastAccessed_ - `Date` - last time the cookie got accessed. Will affect cookie cleaning once implemented.  Using `cookiejar.getCookies(...)` will update this attribute.
+
+### `Cookie([{properties}])`
+
+Receives an options object that can contain any of the above Cookie properties, uses the default for unspecified properties.
+
+### `.toString()`
+
+encode to a Set-Cookie header value.  The Expires cookie field is set using `formatDate()`, but is omitted entirely if `.expires` is `Infinity`.
+
+### `.cookieString()`
+
+encode to a Cookie header value (i.e. the `.key` and `.value` properties joined with '=').
+
+### `.setExpires(String)`
+
+sets the expiry based on a date-string passed through `parseDate()`.  If parseDate returns `null` (i.e. can't parse this date string), `.expires` is set to `"Infinity"` (a string) is set.
+
+### `.setMaxAge(number)`
+
+sets the maxAge in seconds.  Coerces `-Infinity` to `"-Infinity"` and `Infinity` to `"Infinity"` so it JSON serializes correctly.
+
+### `.expiryTime([now=Date.now()])`
+
+### `.expiryDate([now=Date.now()])`
+
+expiryTime() Computes the absolute unix-epoch milliseconds that this cookie expires. expiryDate() works similarly, except it returns a `Date` object.  Note that in both cases the `now` parameter should be milliseconds.
+
+Max-Age takes precedence over Expires (as per the RFC). The `.creation` attribute -- or, by default, the `now` parameter -- is used to offset the `.maxAge` attribute.
+
+If Expires (`.expires`) is set, that's returned.
+
+Otherwise, `expiryTime()` returns `Infinity` and `expiryDate()` returns a `Date` object for "Tue, 19 Jan 2038 03:14:07 GMT" (latest date that can be expressed by a 32-bit `time_t`; the common limit for most user-agents).
+
+### `.TTL([now=Date.now()])`
+
+compute the TTL relative to `now` (milliseconds).  The same precedence rules as for `expiryTime`/`expiryDate` apply.
+
+The "number" `Infinity` is returned for cookies without an explicit expiry and `0` is returned if the cookie is expired.  Otherwise a time-to-live in milliseconds is returned.
+
+### `.canonicalizedDomain()`
+
+### `.cdomain()`
+
+return the canonicalized `.domain` field.  This is lower-cased and punycode (RFC3490) encoded if the domain has any non-ASCII characters.
+
+### `.toJSON()`
+
+For convenience in using `JSON.serialize(cookie)`. Returns a plain-old `Object` that can be JSON-serialized.
+
+Any `Date` properties (i.e., `.expires`, `.creation`, and `.lastAccessed`) are exported in ISO format (`.toISOString()`).
+
+**NOTE**: Custom `Cookie` properties will be discarded. In tough-cookie 1.x, since there was no `.toJSON` method explicitly defined, all enumerable properties were captured. If you want a property to be serialized, add the property name to the `Cookie.serializableProperties` Array.
+
+### `Cookie.fromJSON(strOrObj)`
+
+Does the reverse of `cookie.toJSON()`. If passed a string, will `JSON.parse()` that first.
+
+Any `Date` properties (i.e., `.expires`, `.creation`, and `.lastAccessed`) are parsed via `Date.parse()`, not the tough-cookie `parseDate`, since it's JavaScript/JSON-y timestamps being handled at this layer.
+
+Returns `null` upon JSON parsing error.
+
+### `.clone()`
+
+Does a deep clone of this cookie, exactly implemented as `Cookie.fromJSON(cookie.toJSON())`.
+
+### `.validate()`
+
+Status: *IN PROGRESS*. Works for a few things, but is by no means comprehensive.
+
+validates cookie attributes for semantic correctness.  Useful for "lint" checking any Set-Cookie headers you generate.  For now, it returns a boolean, but eventually could return a reason string -- you can future-proof with this construct:
+
+``` javascript
+if (cookie.validate() === true) {
+  // it's tasty
+} else {
+  // yuck!
+}
+```
+
+
+## CookieJar
+
+Exported via `tough.CookieJar`.
+
+### `CookieJar([store],[options])`
+
+Simply use `new CookieJar()`.  If you'd like to use a custom store, pass that to the constructor otherwise a `MemoryCookieStore` will be created and used.
+
+The `options` object can be omitted and can have the following properties:
+
+  * _rejectPublicSuffixes_ - boolean - default `true` - reject cookies with domains like "com" and "co.uk"
+  * _looseMode_ - boolean - default `false` - accept malformed cookies like `bar` and `=bar`, which have an implied empty name.
+    This is not in the standard, but is used sometimes on the web and is accepted by (most) browsers.
+
+Since eventually this module would like to support database/remote/etc. CookieJars, continuation passing style is used for CookieJar methods.
+
+### `.setCookie(cookieOrString, currentUrl, [{options},] cb(err,cookie))`
+
+Attempt to set the cookie in the cookie jar.  If the operation fails, an error will be given to the callback `cb`, otherwise the cookie is passed through.  The cookie will have updated `.creation`, `.lastAccessed` and `.hostOnly` properties.
+
+The `options` object can be omitted and can have the following properties:
+
+  * _http_ - boolean - default `true` - indicates if this is an HTTP or non-HTTP API.  Affects HttpOnly cookies.
+  * _secure_ - boolean - autodetect from url - indicates if this is a "Secure" API.  If the currentUrl starts with `https:` or `wss:` then this is defaulted to `true`, otherwise `false`.
+  * _now_ - Date - default `new Date()` - what to use for the creation/access time of cookies
+  * _ignoreError_ - boolean - default `false` - silently ignore things like parse errors and invalid domains.  `Store` errors aren't ignored by this option.
+
+As per the RFC, the `.hostOnly` property is set if there was no "Domain=" parameter in the cookie string (or `.domain` was null on the Cookie object).  The `.domain` property is set to the fully-qualified hostname of `currentUrl` in this case.  Matching this cookie requires an exact hostname match (not a `domainMatch` as per usual).
+
+### `.setCookieSync(cookieOrString, currentUrl, [{options}])`
+
+Synchronous version of `setCookie`; only works with synchronous stores (e.g. the default `MemoryCookieStore`).
+
+### `.getCookies(currentUrl, [{options},] cb(err,cookies))`
+
+Retrieve the list of cookies that can be sent in a Cookie header for the current url.
+
+If an error is encountered, that's passed as `err` to the callback, otherwise an `Array` of `Cookie` objects is passed.  The array is sorted with `cookieCompare()` unless the `{sort:false}` option is given.
+
+The `options` object can be omitted and can have the following properties:
+
+  * _http_ - boolean - default `true` - indicates if this is an HTTP or non-HTTP API.  Affects HttpOnly cookies.
+  * _secure_ - boolean - autodetect from url - indicates if this is a "Secure" API.  If the currentUrl starts with `https:` or `wss:` then this is defaulted to `true`, otherwise `false`.
+  * _now_ - Date - default `new Date()` - what to use for the creation/access time of cookies
+  * _expire_ - boolean - default `true` - perform expiry-time checking of cookies and asynchronously remove expired cookies from the store.  Using `false` will return expired cookies and **not** remove them from the store (which is useful for replaying Set-Cookie headers, potentially).
+  * _allPaths_ - boolean - default `false` - if `true`, do not scope cookies by path. The default uses RFC-compliant path scoping. **Note**: may not be supported by the underlying store (the default `MemoryCookieStore` supports it).
+
+The `.lastAccessed` property of the returned cookies will have been updated.
+
+### `.getCookiesSync(currentUrl, [{options}])`
+
+Synchronous version of `getCookies`; only works with synchronous stores (e.g. the default `MemoryCookieStore`).
+
+### `.getCookieString(...)`
+
+Accepts the same options as `.getCookies()` but passes a string suitable for a Cookie header rather than an array to the callback.  Simply maps the `Cookie` array via `.cookieString()`.
+
+### `.getCookieStringSync(...)`
+
+Synchronous version of `getCookieString`; only works with synchronous stores (e.g. the default `MemoryCookieStore`).
+
+### `.getSetCookieStrings(...)`
+
+Returns an array of strings suitable for **Set-Cookie** headers. Accepts the same options as `.getCookies()`.  Simply maps the cookie array via `.toString()`.
+
+### `.getSetCookieStringsSync(...)`
+
+Synchronous version of `getSetCookieStrings`; only works with synchronous stores (e.g. the default `MemoryCookieStore`).
+
+### `.serialize(cb(err,serializedObject))`
+
+Serialize the Jar if the underlying store supports `.getAllCookies`.
+
+**NOTE**: Custom `Cookie` properties will be discarded. If you want a property to be serialized, add the property name to the `Cookie.serializableProperties` Array.
+
+See [Serialization Format].
+
+### `.serializeSync()`
+
+Sync version of .serialize
+
+### `.toJSON()`
+
+Alias of .serializeSync() for the convenience of `JSON.stringify(cookiejar)`.
+
+### `CookieJar.deserialize(serialized, [store], cb(err,object))`
+
+A new Jar is created and the serialized Cookies are added to the underlying store. Each `Cookie` is added via `store.putCookie` in the order in which they appear in the serialization.
+
+The `store` argument is optional, but should be an instance of `Store`. By default, a new instance of `MemoryCookieStore` is created.
+
+As a convenience, if `serialized` is a string, it is passed through `JSON.parse` first. If that throws an error, this is passed to the callback.
+
+### `CookieJar.deserializeSync(serialized, [store])`
+
+Sync version of `.deserialize`.  _Note_ that the `store` must be synchronous for this to work.
+
+### `CookieJar.fromJSON(string)`
+
+Alias of `.deserializeSync` to provide consistency with `Cookie.fromJSON()`.
+
+### `.clone([store,]cb(err,newJar))`
+
+Produces a deep clone of this jar. Modifications to the original won't affect the clone, and vice versa.
+
+The `store` argument is optional, but should be an instance of `Store`. By default, a new instance of `MemoryCookieStore` is created. Transferring between store types is supported so long as the source implements `.getAllCookies()` and the destination implements `.putCookie()`.
+
+### `.cloneSync([store])`
+
+Synchronous version of `.clone`, returning a new `CookieJar` instance.
+
+The `store` argument is optional, but must be a _synchronous_ `Store` instance if specified. If not passed, a new instance of `MemoryCookieStore` is used.
+
+The _source_ and _destination_ must both be synchronous `Store`s. If one or both stores are asynchronous, use `.clone` instead. Recall that `MemoryCookieStore` supports both synchronous and asynchronous API calls.
+
+### `.removeAllCookies(cb(err))`
+
+Removes all cookies from the jar.
+
+This is a new backwards-compatible feature of `tough-cookie` version 2.5, so not all Stores will implement it efficiently. For Stores that do not implement `removeAllCookies`, the fallback is to call `removeCookie` after `getAllCookies`. If `getAllCookies` fails or isn't implemented in the Store, that error is returned. If one or more of the `removeCookie` calls fail, only the first error is returned.
+
+### `.removeAllCookiesSync()`
+
+Sync version of `.removeAllCookies()`
+
+## Store
+
+Base class for CookieJar stores. Available as `tough.Store`.
+
+## Store API
+
+The storage model for each `CookieJar` instance can be replaced with a custom implementation.  The default is `MemoryCookieStore` which can be found in the `lib/memstore.js` file.  The API uses continuation-passing-style to allow for asynchronous stores.
+
+Stores should inherit from the base `Store` class, which is available as `require('tough-cookie').Store`.
+
+Stores are asynchronous by default, but if `store.synchronous` is set to `true`, then the `*Sync` methods on the of the containing `CookieJar` can be used (however, the continuation-passing style
+
+All `domain` parameters will have been normalized before calling.
+
+The Cookie store must have all of the following methods.
+
+### `store.findCookie(domain, path, key, cb(err,cookie))`
+
+Retrieve a cookie with the given domain, path and key (a.k.a. name).  The RFC maintains that exactly one of these cookies should exist in a store.  If the store is using versioning, this means that the latest/newest such cookie should be returned.
+
+Callback takes an error and the resulting `Cookie` object.  If no cookie is found then `null` MUST be passed instead (i.e. not an error).
+
+### `store.findCookies(domain, path, cb(err,cookies))`
+
+Locates cookies matching the given domain and path.  This is most often called in the context of `cookiejar.getCookies()` above.
+
+If no cookies are found, the callback MUST be passed an empty array.
+
+The resulting list will be checked for applicability to the current request according to the RFC (domain-match, path-match, http-only-flag, secure-flag, expiry, etc.), so it's OK to use an optimistic search algorithm when implementing this method.  However, the search algorithm used SHOULD try to find cookies that `domainMatch()` the domain and `pathMatch()` the path in order to limit the amount of checking that needs to be done.
+
+As of version 0.9.12, the `allPaths` option to `cookiejar.getCookies()` above will cause the path here to be `null`.  If the path is `null`, path-matching MUST NOT be performed (i.e. domain-matching only).
+
+### `store.putCookie(cookie, cb(err))`
+
+Adds a new cookie to the store.  The implementation SHOULD replace any existing cookie with the same `.domain`, `.path`, and `.key` properties -- depending on the nature of the implementation, it's possible that between the call to `fetchCookie` and `putCookie` that a duplicate `putCookie` can occur.
+
+The `cookie` object MUST NOT be modified; the caller will have already updated the `.creation` and `.lastAccessed` properties.
+
+Pass an error if the cookie cannot be stored.
+
+### `store.updateCookie(oldCookie, newCookie, cb(err))`
+
+Update an existing cookie.  The implementation MUST update the `.value` for a cookie with the same `domain`, `.path` and `.key`.  The implementation SHOULD check that the old value in the store is equivalent to `oldCookie` - how the conflict is resolved is up to the store.
+
+The `.lastAccessed` property will always be different between the two objects (to the precision possible via JavaScript's clock).  Both `.creation` and `.creationIndex` are guaranteed to be the same.  Stores MAY ignore or defer the `.lastAccessed` change at the cost of affecting how cookies are selected for automatic deletion (e.g., least-recently-used, which is up to the store to implement).
+
+Stores may wish to optimize changing the `.value` of the cookie in the store versus storing a new cookie.  If the implementation doesn't define this method a stub that calls `putCookie(newCookie,cb)` will be added to the store object.
+
+The `newCookie` and `oldCookie` objects MUST NOT be modified.
+
+Pass an error if the newCookie cannot be stored.
+
+### `store.removeCookie(domain, path, key, cb(err))`
+
+Remove a cookie from the store (see notes on `findCookie` about the uniqueness constraint).
+
+The implementation MUST NOT pass an error if the cookie doesn't exist; only pass an error due to the failure to remove an existing cookie.
+
+### `store.removeCookies(domain, path, cb(err))`
+
+Removes matching cookies from the store.  The `path` parameter is optional, and if missing means all paths in a domain should be removed.
+
+Pass an error ONLY if removing any existing cookies failed.
+
+### `store.removeAllCookies(cb(err))`
+
+_Optional_. Removes all cookies from the store.
+
+Pass an error if one or more cookies can't be removed.
+
+**Note**: New method as of `tough-cookie` version 2.5, so not all Stores will implement this, plus some stores may choose not to implement this.
+
+### `store.getAllCookies(cb(err, cookies))`
+
+_Optional_. Produces an `Array` of all cookies during `jar.serialize()`. The items in the array can be true `Cookie` objects or generic `Object`s with the [Serialization Format] data structure.
+
+Cookies SHOULD be returned in creation order to preserve sorting via `compareCookies()`. For reference, `MemoryCookieStore` will sort by `.creationIndex` since it uses true `Cookie` objects internally. If you don't return the cookies in creation order, they'll still be sorted by creation time, but this only has a precision of 1ms.  See `compareCookies` for more detail.
+
+Pass an error if retrieval fails.
+
+**Note**: not all Stores can implement this due to technical limitations, so it is optional.
+
+## MemoryCookieStore
+
+Inherits from `Store`.
+
+A just-in-memory CookieJar synchronous store implementation, used by default. Despite being a synchronous implementation, it's usable with both the synchronous and asynchronous forms of the `CookieJar` API. Supports serialization, `getAllCookies`, and `removeAllCookies`.
+
+## Community Cookie Stores
+
+These are some Store implementations authored and maintained by the community. They aren't official and we don't vouch for them but you may be interested to have a look:
+
+- [`db-cookie-store`](https://github.com/JSBizon/db-cookie-store): SQL including SQLite-based databases
+- [`file-cookie-store`](https://github.com/JSBizon/file-cookie-store): Netscape cookie file format on disk
+- [`redis-cookie-store`](https://github.com/benkroeger/redis-cookie-store): Redis
+- [`tough-cookie-filestore`](https://github.com/mitsuru/tough-cookie-filestore): JSON on disk
+- [`tough-cookie-web-storage-store`](https://github.com/exponentjs/tough-cookie-web-storage-store): DOM localStorage and sessionStorage
+
+
+# Serialization Format
+
+**NOTE**: if you want to have custom `Cookie` properties serialized, add the property name to `Cookie.serializableProperties`.
+
+```js
+  {
+    // The version of tough-cookie that serialized this jar.
+    version: 'tough-cookie@1.x.y',
+
+    // add the store type, to make humans happy:
+    storeType: 'MemoryCookieStore',
+
+    // CookieJar configuration:
+    rejectPublicSuffixes: true,
+    // ... future items go here
+
+    // Gets filled from jar.store.getAllCookies():
+    cookies: [
+      {
+        key: 'string',
+        value: 'string',
+        // ...
+        /* other Cookie.serializableProperties go here */
+      }
+    ]
+  }
+```
+
+# Copyright and License
+
+BSD-3-Clause:
+
+```text
+ Copyright (c) 2015, Salesforce.com, Inc.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. Neither the name of Salesforce.com nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+```
diff --git a/node_modules/tough-cookie/lib/cookie.js b/node_modules/tough-cookie/lib/cookie.js
new file mode 100644
index 000000000..32dc0f8dc
--- /dev/null
+++ b/node_modules/tough-cookie/lib/cookie.js
@@ -0,0 +1,1482 @@
+/*!
+ * Copyright (c) 2015, Salesforce.com, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of Salesforce.com nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+'use strict';
+var net = require('net');
+var urlParse = require('url').parse;
+var util = require('util');
+var pubsuffix = require('./pubsuffix-psl');
+var Store = require('./store').Store;
+var MemoryCookieStore = require('./memstore').MemoryCookieStore;
+var pathMatch = require('./pathMatch').pathMatch;
+var VERSION = require('./version');
+
+var punycode;
+try {
+  punycode = require('punycode');
+} catch(e) {
+  console.warn("tough-cookie: can't load punycode; won't use punycode for domain normalization");
+}
+
+// From RFC6265 S4.1.1
+// note that it excludes \x3B ";"
+var COOKIE_OCTETS = /^[\x21\x23-\x2B\x2D-\x3A\x3C-\x5B\x5D-\x7E]+$/;
+
+var CONTROL_CHARS = /[\x00-\x1F]/;
+
+// From Chromium // '\r', '\n' and '\0' should be treated as a terminator in
+// the "relaxed" mode, see:
+// https://github.com/ChromiumWebApps/chromium/blob/b3d3b4da8bb94c1b2e061600df106d590fda3620/net/cookies/parsed_cookie.cc#L60
+var TERMINATORS = ['\n', '\r', '\0'];
+
+// RFC6265 S4.1.1 defines path value as 'any CHAR except CTLs or ";"'
+// Note ';' is \x3B
+var PATH_VALUE = /[\x20-\x3A\x3C-\x7E]+/;
+
+// date-time parsing constants (RFC6265 S5.1.1)
+
+var DATE_DELIM = /[\x09\x20-\x2F\x3B-\x40\x5B-\x60\x7B-\x7E]/;
+
+var MONTH_TO_NUM = {
+  jan:0, feb:1, mar:2, apr:3, may:4, jun:5,
+  jul:6, aug:7, sep:8, oct:9, nov:10, dec:11
+};
+var NUM_TO_MONTH = [
+  'Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'
+];
+var NUM_TO_DAY = [
+  'Sun','Mon','Tue','Wed','Thu','Fri','Sat'
+];
+
+var MAX_TIME = 2147483647000; // 31-bit max
+var MIN_TIME = 0; // 31-bit min
+
+/*
+ * Parses a Natural number (i.e., non-negative integer) with either the
+ *    <min>*<max>DIGIT ( non-digit *OCTET )
+ * or
+ *    <min>*<max>DIGIT
+ * grammar (RFC6265 S5.1.1).
+ *
+ * The "trailingOK" boolean controls if the grammar accepts a
+ * "( non-digit *OCTET )" trailer.
+ */
+function parseDigits(token, minDigits, maxDigits, trailingOK) {
+  var count = 0;
+  while (count < token.length) {
+    var c = token.charCodeAt(count);
+    // "non-digit = %x00-2F / %x3A-FF"
+    if (c <= 0x2F || c >= 0x3A) {
+      break;
+    }
+    count++;
+  }
+
+  // constrain to a minimum and maximum number of digits.
+  if (count < minDigits || count > maxDigits) {
+    return null;
+  }
+
+  if (!trailingOK && count != token.length) {
+    return null;
+  }
+
+  return parseInt(token.substr(0,count), 10);
+}
+
+function parseTime(token) {
+  var parts = token.split(':');
+  var result = [0,0,0];
+
+  /* RF6256 S5.1.1:
+   *      time            = hms-time ( non-digit *OCTET )
+   *      hms-time        = time-field ":" time-field ":" time-field
+   *      time-field      = 1*2DIGIT
+   */
+
+  if (parts.length !== 3) {
+    return null;
+  }
+
+  for (var i = 0; i < 3; i++) {
+    // "time-field" must be strictly "1*2DIGIT", HOWEVER, "hms-time" can be
+    // followed by "( non-digit *OCTET )" so therefore the last time-field can
+    // have a trailer
+    var trailingOK = (i == 2);
+    var num = parseDigits(parts[i], 1, 2, trailingOK);
+    if (num === null) {
+      return null;
+    }
+    result[i] = num;
+  }
+
+  return result;
+}
+
+function parseMonth(token) {
+  token = String(token).substr(0,3).toLowerCase();
+  var num = MONTH_TO_NUM[token];
+  return num >= 0 ? num : null;
+}
+
+/*
+ * RFC6265 S5.1.1 date parser (see RFC for full grammar)
+ */
+function parseDate(str) {
+  if (!str) {
+    return;
+  }
+
+  /* RFC6265 S5.1.1:
+   * 2. Process each date-token sequentially in the order the date-tokens
+   * appear in the cookie-date
+   */
+  var tokens = str.split(DATE_DELIM);
+  if (!tokens) {
+    return;
+  }
+
+  var hour = null;
+  var minute = null;
+  var second = null;
+  var dayOfMonth = null;
+  var month = null;
+  var year = null;
+
+  for (var i=0; i<tokens.length; i++) {
+    var token = tokens[i].trim();
+    if (!token.length) {
+      continue;
+    }
+
+    var result;
+
+    /* 2.1. If the found-time flag is not set and the token matches the time
+     * production, set the found-time flag and set the hour- value,
+     * minute-value, and second-value to the numbers denoted by the digits in
+     * the date-token, respectively.  Skip the remaining sub-steps and continue
+     * to the next date-token.
+     */
+    if (second === null) {
+      result = parseTime(token);
+      if (result) {
+        hour = result[0];
+        minute = result[1];
+        second = result[2];
+        continue;
+      }
+    }
+
+    /* 2.2. If the found-day-of-month flag is not set and the date-token matches
+     * the day-of-month production, set the found-day-of- month flag and set
+     * the day-of-month-value to the number denoted by the date-token.  Skip
+     * the remaining sub-steps and continue to the next date-token.
+     */
+    if (dayOfMonth === null) {
+      // "day-of-month = 1*2DIGIT ( non-digit *OCTET )"
+      result = parseDigits(token, 1, 2, true);
+      if (result !== null) {
+        dayOfMonth = result;
+        continue;
+      }
+    }
+
+    /* 2.3. If the found-month flag is not set and the date-token matches the
+     * month production, set the found-month flag and set the month-value to
+     * the month denoted by the date-token.  Skip the remaining sub-steps and
+     * continue to the next date-token.
+     */
+    if (month === null) {
+      result = parseMonth(token);
+      if (result !== null) {
+        month = result;
+        continue;
+      }
+    }
+
+    /* 2.4. If the found-year flag is not set and the date-token matches the
+     * year production, set the found-year flag and set the year-value to the
+     * number denoted by the date-token.  Skip the remaining sub-steps and
+     * continue to the next date-token.
+     */
+    if (year === null) {
+      // "year = 2*4DIGIT ( non-digit *OCTET )"
+      result = parseDigits(token, 2, 4, true);
+      if (result !== null) {
+        year = result;
+        /* From S5.1.1:
+         * 3.  If the year-value is greater than or equal to 70 and less
+         * than or equal to 99, increment the year-value by 1900.
+         * 4.  If the year-value is greater than or equal to 0 and less
+         * than or equal to 69, increment the year-value by 2000.
+         */
+        if (year >= 70 && year <= 99) {
+          year += 1900;
+        } else if (year >= 0 && year <= 69) {
+          year += 2000;
+        }
+      }
+    }
+  }
+
+  /* RFC 6265 S5.1.1
+   * "5. Abort these steps and fail to parse the cookie-date if:
+   *     *  at least one of the found-day-of-month, found-month, found-
+   *        year, or found-time flags is not set,
+   *     *  the day-of-month-value is less than 1 or greater than 31,
+   *     *  the year-value is less than 1601,
+   *     *  the hour-value is greater than 23,
+   *     *  the minute-value is greater than 59, or
+   *     *  the second-value is greater than 59.
+   *     (Note that leap seconds cannot be represented in this syntax.)"
+   *
+   * So, in order as above:
+   */
+  if (
+    dayOfMonth === null || month === null || year === null || second === null ||
+    dayOfMonth < 1 || dayOfMonth > 31 ||
+    year < 1601 ||
+    hour > 23 ||
+    minute > 59 ||
+    second > 59
+  ) {
+    return;
+  }
+
+  return new Date(Date.UTC(year, month, dayOfMonth, hour, minute, second));
+}
+
+function formatDate(date) {
+  var d = date.getUTCDate(); d = d >= 10 ? d : '0'+d;
+  var h = date.getUTCHours(); h = h >= 10 ? h : '0'+h;
+  var m = date.getUTCMinutes(); m = m >= 10 ? m : '0'+m;
+  var s = date.getUTCSeconds(); s = s >= 10 ? s : '0'+s;
+  return NUM_TO_DAY[date.getUTCDay()] + ', ' +
+    d+' '+ NUM_TO_MONTH[date.getUTCMonth()] +' '+ date.getUTCFullYear() +' '+
+    h+':'+m+':'+s+' GMT';
+}
+
+// S5.1.2 Canonicalized Host Names
+function canonicalDomain(str) {
+  if (str == null) {
+    return null;
+  }
+  str = str.trim().replace(/^\./,''); // S4.1.2.3 & S5.2.3: ignore leading .
+
+  // convert to IDN if any non-ASCII characters
+  if (punycode && /[^\u0001-\u007f]/.test(str)) {
+    str = punycode.toASCII(str);
+  }
+
+  return str.toLowerCase();
+}
+
+// S5.1.3 Domain Matching
+function domainMatch(str, domStr, canonicalize) {
+  if (str == null || domStr == null) {
+    return null;
+  }
+  if (canonicalize !== false) {
+    str = canonicalDomain(str);
+    domStr = canonicalDomain(domStr);
+  }
+
+  /*
+   * "The domain string and the string are identical. (Note that both the
+   * domain string and the string will have been canonicalized to lower case at
+   * this point)"
+   */
+  if (str == domStr) {
+    return true;
+  }
+
+  /* "All of the following [three] conditions hold:" (order adjusted from the RFC) */
+
+  /* "* The string is a host name (i.e., not an IP address)." */
+  if (net.isIP(str)) {
+    return false;
+  }
+
+  /* "* The domain string is a suffix of the string" */
+  var idx = str.indexOf(domStr);
+  if (idx <= 0) {
+    return false; // it's a non-match (-1) or prefix (0)
+  }
+
+  // e.g "a.b.c".indexOf("b.c") === 2
+  // 5 === 3+2
+  if (str.length !== domStr.length + idx) { // it's not a suffix
+    return false;
+  }
+
+  /* "* The last character of the string that is not included in the domain
+  * string is a %x2E (".") character." */
+  if (str.substr(idx-1,1) !== '.') {
+    return false;
+  }
+
+  return true;
+}
+
+
+// RFC6265 S5.1.4 Paths and Path-Match
+
+/*
+ * "The user agent MUST use an algorithm equivalent to the following algorithm
+ * to compute the default-path of a cookie:"
+ *
+ * Assumption: the path (and not query part or absolute uri) is passed in.
+ */
+function defaultPath(path) {
+  // "2. If the uri-path is empty or if the first character of the uri-path is not
+  // a %x2F ("/") character, output %x2F ("/") and skip the remaining steps.
+  if (!path || path.substr(0,1) !== "/") {
+    return "/";
+  }
+
+  // "3. If the uri-path contains no more than one %x2F ("/") character, output
+  // %x2F ("/") and skip the remaining step."
+  if (path === "/") {
+    return path;
+  }
+
+  var rightSlash = path.lastIndexOf("/");
+  if (rightSlash === 0) {
+    return "/";
+  }
+
+  // "4. Output the characters of the uri-path from the first character up to,
+  // but not including, the right-most %x2F ("/")."
+  return path.slice(0, rightSlash);
+}
+
+function trimTerminator(str) {
+  for (var t = 0; t < TERMINATORS.length; t++) {
+    var terminatorIdx = str.indexOf(TERMINATORS[t]);
+    if (terminatorIdx !== -1) {
+      str = str.substr(0,terminatorIdx);
+    }
+  }
+
+  return str;
+}
+
+function parseCookiePair(cookiePair, looseMode) {
+  cookiePair = trimTerminator(cookiePair);
+
+  var firstEq = cookiePair.indexOf('=');
+  if (looseMode) {
+    if (firstEq === 0) { // '=' is immediately at start
+      cookiePair = cookiePair.substr(1);
+      firstEq = cookiePair.indexOf('='); // might still need to split on '='
+    }
+  } else { // non-loose mode
+    if (firstEq <= 0) { // no '=' or is at start
+      return; // needs to have non-empty "cookie-name"
+    }
+  }
+
+  var cookieName, cookieValue;
+  if (firstEq <= 0) {
+    cookieName = "";
+    cookieValue = cookiePair.trim();
+  } else {
+    cookieName = cookiePair.substr(0, firstEq).trim();
+    cookieValue = cookiePair.substr(firstEq+1).trim();
+  }
+
+  if (CONTROL_CHARS.test(cookieName) || CONTROL_CHARS.test(cookieValue)) {
+    return;
+  }
+
+  var c = new Cookie();
+  c.key = cookieName;
+  c.value = cookieValue;
+  return c;
+}
+
+function parse(str, options) {
+  if (!options || typeof options !== 'object') {
+    options = {};
+  }
+  str = str.trim();
+
+  // We use a regex to parse the "name-value-pair" part of S5.2
+  var firstSemi = str.indexOf(';'); // S5.2 step 1
+  var cookiePair = (firstSemi === -1) ? str : str.substr(0, firstSemi);
+  var c = parseCookiePair(cookiePair, !!options.loose);
+  if (!c) {
+    return;
+  }
+
+  if (firstSemi === -1) {
+    return c;
+  }
+
+  // S5.2.3 "unparsed-attributes consist of the remainder of the set-cookie-string
+  // (including the %x3B (";") in question)." plus later on in the same section
+  // "discard the first ";" and trim".
+  var unparsed = str.slice(firstSemi + 1).trim();
+
+  // "If the unparsed-attributes string is empty, skip the rest of these
+  // steps."
+  if (unparsed.length === 0) {
+    return c;
+  }
+
+  /*
+   * S5.2 says that when looping over the items "[p]rocess the attribute-name
+   * and attribute-value according to the requirements in the following
+   * subsections" for every item.  Plus, for many of the individual attributes
+   * in S5.3 it says to use the "attribute-value of the last attribute in the
+   * cookie-attribute-list".  Therefore, in this implementation, we overwrite
+   * the previous value.
+   */
+  var cookie_avs = unparsed.split(';');
+  while (cookie_avs.length) {
+    var av = cookie_avs.shift().trim();
+    if (av.length === 0) { // happens if ";;" appears
+      continue;
+    }
+    var av_sep = av.indexOf('=');
+    var av_key, av_value;
+
+    if (av_sep === -1) {
+      av_key = av;
+      av_value = null;
+    } else {
+      av_key = av.substr(0,av_sep);
+      av_value = av.substr(av_sep+1);
+    }
+
+    av_key = av_key.trim().toLowerCase();
+
+    if (av_value) {
+      av_value = av_value.trim();
+    }
+
+    switch(av_key) {
+    case 'expires': // S5.2.1
+      if (av_value) {
+        var exp = parseDate(av_value);
+        // "If the attribute-value failed to parse as a cookie date, ignore the
+        // cookie-av."
+        if (exp) {
+          // over and underflow not realistically a concern: V8's getTime() seems to
+          // store something larger than a 32-bit time_t (even with 32-bit node)
+          c.expires = exp;
+        }
+      }
+      break;
+
+    case 'max-age': // S5.2.2
+      if (av_value) {
+        // "If the first character of the attribute-value is not a DIGIT or a "-"
+        // character ...[or]... If the remainder of attribute-value contains a
+        // non-DIGIT character, ignore the cookie-av."
+        if (/^-?[0-9]+$/.test(av_value)) {
+          var delta = parseInt(av_value, 10);
+          // "If delta-seconds is less than or equal to zero (0), let expiry-time
+          // be the earliest representable date and time."
+          c.setMaxAge(delta);
+        }
+      }
+      break;
+
+    case 'domain': // S5.2.3
+      // "If the attribute-value is empty, the behavior is undefined.  However,
+      // the user agent SHOULD ignore the cookie-av entirely."
+      if (av_value) {
+        // S5.2.3 "Let cookie-domain be the attribute-value without the leading %x2E
+        // (".") character."
+        var domain = av_value.trim().replace(/^\./, '');
+        if (domain) {
+          // "Convert the cookie-domain to lower case."
+          c.domain = domain.toLowerCase();
+        }
+      }
+      break;
+
+    case 'path': // S5.2.4
+      /*
+       * "If the attribute-value is empty or if the first character of the
+       * attribute-value is not %x2F ("/"):
+       *   Let cookie-path be the default-path.
+       * Otherwise:
+       *   Let cookie-path be the attribute-value."
+       *
+       * We'll represent the default-path as null since it depends on the
+       * context of the parsing.
+       */
+      c.path = av_value && av_value[0] === "/" ? av_value : null;
+      break;
+
+    case 'secure': // S5.2.5
+      /*
+       * "If the attribute-name case-insensitively matches the string "Secure",
+       * the user agent MUST append an attribute to the cookie-attribute-list
+       * with an attribute-name of Secure and an empty attribute-value."
+       */
+      c.secure = true;
+      break;
+
+    case 'httponly': // S5.2.6 -- effectively the same as 'secure'
+      c.httpOnly = true;
+      break;
+
+    default:
+      c.extensions = c.extensions || [];
+      c.extensions.push(av);
+      break;
+    }
+  }
+
+  return c;
+}
+
+// avoid the V8 deoptimization monster!
+function jsonParse(str) {
+  var obj;
+  try {
+    obj = JSON.parse(str);
+  } catch (e) {
+    return e;
+  }
+  return obj;
+}
+
+function fromJSON(str) {
+  if (!str) {
+    return null;
+  }
+
+  var obj;
+  if (typeof str === 'string') {
+    obj = jsonParse(str);
+    if (obj instanceof Error) {
+      return null;
+    }
+  } else {
+    // assume it's an Object
+    obj = str;
+  }
+
+  var c = new Cookie();
+  for (var i=0; i<Cookie.serializableProperties.length; i++) {
+    var prop = Cookie.serializableProperties[i];
+    if (obj[prop] === undefined ||
+        obj[prop] === Cookie.prototype[prop])
+    {
+      continue; // leave as prototype default
+    }
+
+    if (prop === 'expires' ||
+        prop === 'creation' ||
+        prop === 'lastAccessed')
+    {
+      if (obj[prop] === null) {
+        c[prop] = null;
+      } else {
+        c[prop] = obj[prop] == "Infinity" ?
+          "Infinity" : new Date(obj[prop]);
+      }
+    } else {
+      c[prop] = obj[prop];
+    }
+  }
+
+  return c;
+}
+
+/* Section 5.4 part 2:
+ * "*  Cookies with longer paths are listed before cookies with
+ *     shorter paths.
+ *
+ *  *  Among cookies that have equal-length path fields, cookies with
+ *     earlier creation-times are listed before cookies with later
+ *     creation-times."
+ */
+
+function cookieCompare(a,b) {
+  var cmp = 0;
+
+  // descending for length: b CMP a
+  var aPathLen = a.path ? a.path.length : 0;
+  var bPathLen = b.path ? b.path.length : 0;
+  cmp = bPathLen - aPathLen;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  // ascending for time: a CMP b
+  var aTime = a.creation ? a.creation.getTime() : MAX_TIME;
+  var bTime = b.creation ? b.creation.getTime() : MAX_TIME;
+  cmp = aTime - bTime;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  // break ties for the same millisecond (precision of JavaScript's clock)
+  cmp = a.creationIndex - b.creationIndex;
+
+  return cmp;
+}
+
+// Gives the permutation of all possible pathMatch()es of a given path. The
+// array is in longest-to-shortest order.  Handy for indexing.
+function permutePath(path) {
+  if (path === '/') {
+    return ['/'];
+  }
+  if (path.lastIndexOf('/') === path.length-1) {
+    path = path.substr(0,path.length-1);
+  }
+  var permutations = [path];
+  while (path.length > 1) {
+    var lindex = path.lastIndexOf('/');
+    if (lindex === 0) {
+      break;
+    }
+    path = path.substr(0,lindex);
+    permutations.push(path);
+  }
+  permutations.push('/');
+  return permutations;
+}
+
+function getCookieContext(url) {
+  if (url instanceof Object) {
+    return url;
+  }
+  // NOTE: decodeURI will throw on malformed URIs (see GH-32).
+  // Therefore, we will just skip decoding for such URIs.
+  try {
+    url = decodeURI(url);
+  }
+  catch(err) {
+    // Silently swallow error
+  }
+
+  return urlParse(url);
+}
+
+function Cookie(options) {
+  options = options || {};
+
+  Object.keys(options).forEach(function(prop) {
+    if (Cookie.prototype.hasOwnProperty(prop) &&
+        Cookie.prototype[prop] !== options[prop] &&
+        prop.substr(0,1) !== '_')
+    {
+      this[prop] = options[prop];
+    }
+  }, this);
+
+  this.creation = this.creation || new Date();
+
+  // used to break creation ties in cookieCompare():
+  Object.defineProperty(this, 'creationIndex', {
+    configurable: false,
+    enumerable: false, // important for assert.deepEqual checks
+    writable: true,
+    value: ++Cookie.cookiesCreated
+  });
+}
+
+Cookie.cookiesCreated = 0; // incremented each time a cookie is created
+
+Cookie.parse = parse;
+Cookie.fromJSON = fromJSON;
+
+Cookie.prototype.key = "";
+Cookie.prototype.value = "";
+
+// the order in which the RFC has them:
+Cookie.prototype.expires = "Infinity"; // coerces to literal Infinity
+Cookie.prototype.maxAge = null; // takes precedence over expires for TTL
+Cookie.prototype.domain = null;
+Cookie.prototype.path = null;
+Cookie.prototype.secure = false;
+Cookie.prototype.httpOnly = false;
+Cookie.prototype.extensions = null;
+
+// set by the CookieJar:
+Cookie.prototype.hostOnly = null; // boolean when set
+Cookie.prototype.pathIsDefault = null; // boolean when set
+Cookie.prototype.creation = null; // Date when set; defaulted by Cookie.parse
+Cookie.prototype.lastAccessed = null; // Date when set
+Object.defineProperty(Cookie.prototype, 'creationIndex', {
+  configurable: true,
+  enumerable: false,
+  writable: true,
+  value: 0
+});
+
+Cookie.serializableProperties = Object.keys(Cookie.prototype)
+  .filter(function(prop) {
+    return !(
+      Cookie.prototype[prop] instanceof Function ||
+      prop === 'creationIndex' ||
+      prop.substr(0,1) === '_'
+    );
+  });
+
+Cookie.prototype.inspect = function inspect() {
+  var now = Date.now();
+  return 'Cookie="'+this.toString() +
+    '; hostOnly='+(this.hostOnly != null ? this.hostOnly : '?') +
+    '; aAge='+(this.lastAccessed ? (now-this.lastAccessed.getTime())+'ms' : '?') +
+    '; cAge='+(this.creation ? (now-this.creation.getTime())+'ms' : '?') +
+    '"';
+};
+
+// Use the new custom inspection symbol to add the custom inspect function if
+// available.
+if (util.inspect.custom) {
+  Cookie.prototype[util.inspect.custom] = Cookie.prototype.inspect;
+}
+
+Cookie.prototype.toJSON = function() {
+  var obj = {};
+
+  var props = Cookie.serializableProperties;
+  for (var i=0; i<props.length; i++) {
+    var prop = props[i];
+    if (this[prop] === Cookie.prototype[prop]) {
+      continue; // leave as prototype default
+    }
+
+    if (prop === 'expires' ||
+        prop === 'creation' ||
+        prop === 'lastAccessed')
+    {
+      if (this[prop] === null) {
+        obj[prop] = null;
+      } else {
+        obj[prop] = this[prop] == "Infinity" ? // intentionally not ===
+          "Infinity" : this[prop].toISOString();
+      }
+    } else if (prop === 'maxAge') {
+      if (this[prop] !== null) {
+        // again, intentionally not ===
+        obj[prop] = (this[prop] == Infinity || this[prop] == -Infinity) ?
+          this[prop].toString() : this[prop];
+      }
+    } else {
+      if (this[prop] !== Cookie.prototype[prop]) {
+        obj[prop] = this[prop];
+      }
+    }
+  }
+
+  return obj;
+};
+
+Cookie.prototype.clone = function() {
+  return fromJSON(this.toJSON());
+};
+
+Cookie.prototype.validate = function validate() {
+  if (!COOKIE_OCTETS.test(this.value)) {
+    return false;
+  }
+  if (this.expires != Infinity && !(this.expires instanceof Date) && !parseDate(this.expires)) {
+    return false;
+  }
+  if (this.maxAge != null && this.maxAge <= 0) {
+    return false; // "Max-Age=" non-zero-digit *DIGIT
+  }
+  if (this.path != null && !PATH_VALUE.test(this.path)) {
+    return false;
+  }
+
+  var cdomain = this.cdomain();
+  if (cdomain) {
+    if (cdomain.match(/\.$/)) {
+      return false; // S4.1.2.3 suggests that this is bad. domainMatch() tests confirm this
+    }
+    var suffix = pubsuffix.getPublicSuffix(cdomain);
+    if (suffix == null) { // it's a public suffix
+      return false;
+    }
+  }
+  return true;
+};
+
+Cookie.prototype.setExpires = function setExpires(exp) {
+  if (exp instanceof Date) {
+    this.expires = exp;
+  } else {
+    this.expires = parseDate(exp) || "Infinity";
+  }
+};
+
+Cookie.prototype.setMaxAge = function setMaxAge(age) {
+  if (age === Infinity || age === -Infinity) {
+    this.maxAge = age.toString(); // so JSON.stringify() works
+  } else {
+    this.maxAge = age;
+  }
+};
+
+// gives Cookie header format
+Cookie.prototype.cookieString = function cookieString() {
+  var val = this.value;
+  if (val == null) {
+    val = '';
+  }
+  if (this.key === '') {
+    return val;
+  }
+  return this.key+'='+val;
+};
+
+// gives Set-Cookie header format
+Cookie.prototype.toString = function toString() {
+  var str = this.cookieString();
+
+  if (this.expires != Infinity) {
+    if (this.expires instanceof Date) {
+      str += '; Expires='+formatDate(this.expires);
+    } else {
+      str += '; Expires='+this.expires;
+    }
+  }
+
+  if (this.maxAge != null && this.maxAge != Infinity) {
+    str += '; Max-Age='+this.maxAge;
+  }
+
+  if (this.domain && !this.hostOnly) {
+    str += '; Domain='+this.domain;
+  }
+  if (this.path) {
+    str += '; Path='+this.path;
+  }
+
+  if (this.secure) {
+    str += '; Secure';
+  }
+  if (this.httpOnly) {
+    str += '; HttpOnly';
+  }
+  if (this.extensions) {
+    this.extensions.forEach(function(ext) {
+      str += '; '+ext;
+    });
+  }
+
+  return str;
+};
+
+// TTL() partially replaces the "expiry-time" parts of S5.3 step 3 (setCookie()
+// elsewhere)
+// S5.3 says to give the "latest representable date" for which we use Infinity
+// For "expired" we use 0
+Cookie.prototype.TTL = function TTL(now) {
+  /* RFC6265 S4.1.2.2 If a cookie has both the Max-Age and the Expires
+   * attribute, the Max-Age attribute has precedence and controls the
+   * expiration date of the cookie.
+   * (Concurs with S5.3 step 3)
+   */
+  if (this.maxAge != null) {
+    return this.maxAge<=0 ? 0 : this.maxAge*1000;
+  }
+
+  var expires = this.expires;
+  if (expires != Infinity) {
+    if (!(expires instanceof Date)) {
+      expires = parseDate(expires) || Infinity;
+    }
+
+    if (expires == Infinity) {
+      return Infinity;
+    }
+
+    return expires.getTime() - (now || Date.now());
+  }
+
+  return Infinity;
+};
+
+// expiryTime() replaces the "expiry-time" parts of S5.3 step 3 (setCookie()
+// elsewhere)
+Cookie.prototype.expiryTime = function expiryTime(now) {
+  if (this.maxAge != null) {
+    var relativeTo = now || this.creation || new Date();
+    var age = (this.maxAge <= 0) ? -Infinity : this.maxAge*1000;
+    return relativeTo.getTime() + age;
+  }
+
+  if (this.expires == Infinity) {
+    return Infinity;
+  }
+  return this.expires.getTime();
+};
+
+// expiryDate() replaces the "expiry-time" parts of S5.3 step 3 (setCookie()
+// elsewhere), except it returns a Date
+Cookie.prototype.expiryDate = function expiryDate(now) {
+  var millisec = this.expiryTime(now);
+  if (millisec == Infinity) {
+    return new Date(MAX_TIME);
+  } else if (millisec == -Infinity) {
+    return new Date(MIN_TIME);
+  } else {
+    return new Date(millisec);
+  }
+};
+
+// This replaces the "persistent-flag" parts of S5.3 step 3
+Cookie.prototype.isPersistent = function isPersistent() {
+  return (this.maxAge != null || this.expires != Infinity);
+};
+
+// Mostly S5.1.2 and S5.2.3:
+Cookie.prototype.cdomain =
+Cookie.prototype.canonicalizedDomain = function canonicalizedDomain() {
+  if (this.domain == null) {
+    return null;
+  }
+  return canonicalDomain(this.domain);
+};
+
+function CookieJar(store, options) {
+  if (typeof options === "boolean") {
+    options = {rejectPublicSuffixes: options};
+  } else if (options == null) {
+    options = {};
+  }
+  if (options.rejectPublicSuffixes != null) {
+    this.rejectPublicSuffixes = options.rejectPublicSuffixes;
+  }
+  if (options.looseMode != null) {
+    this.enableLooseMode = options.looseMode;
+  }
+
+  if (!store) {
+    store = new MemoryCookieStore();
+  }
+  this.store = store;
+}
+CookieJar.prototype.store = null;
+CookieJar.prototype.rejectPublicSuffixes = true;
+CookieJar.prototype.enableLooseMode = false;
+var CAN_BE_SYNC = [];
+
+CAN_BE_SYNC.push('setCookie');
+CookieJar.prototype.setCookie = function(cookie, url, options, cb) {
+  var err;
+  var context = getCookieContext(url);
+  if (options instanceof Function) {
+    cb = options;
+    options = {};
+  }
+
+  var host = canonicalDomain(context.hostname);
+  var loose = this.enableLooseMode;
+  if (options.loose != null) {
+    loose = options.loose;
+  }
+
+  // S5.3 step 1
+  if (!(cookie instanceof Cookie)) {
+    cookie = Cookie.parse(cookie, { loose: loose });
+  }
+  if (!cookie) {
+    err = new Error("Cookie failed to parse");
+    return cb(options.ignoreError ? null : err);
+  }
+
+  // S5.3 step 2
+  var now = options.now || new Date(); // will assign later to save effort in the face of errors
+
+  // S5.3 step 3: NOOP; persistent-flag and expiry-time is handled by getCookie()
+
+  // S5.3 step 4: NOOP; domain is null by default
+
+  // S5.3 step 5: public suffixes
+  if (this.rejectPublicSuffixes && cookie.domain) {
+    var suffix = pubsuffix.getPublicSuffix(cookie.cdomain());
+    if (suffix == null) { // e.g. "com"
+      err = new Error("Cookie has domain set to a public suffix");
+      return cb(options.ignoreError ? null : err);
+    }
+  }
+
+  // S5.3 step 6:
+  if (cookie.domain) {
+    if (!domainMatch(host, cookie.cdomain(), false)) {
+      err = new Error("Cookie not in this host's domain. Cookie:"+cookie.cdomain()+" Request:"+host);
+      return cb(options.ignoreError ? null : err);
+    }
+
+    if (cookie.hostOnly == null) { // don't reset if already set
+      cookie.hostOnly = false;
+    }
+
+  } else {
+    cookie.hostOnly = true;
+    cookie.domain = host;
+  }
+
+  //S5.2.4 If the attribute-value is empty or if the first character of the
+  //attribute-value is not %x2F ("/"):
+  //Let cookie-path be the default-path.
+  if (!cookie.path || cookie.path[0] !== '/') {
+    cookie.path = defaultPath(context.pathname);
+    cookie.pathIsDefault = true;
+  }
+
+  // S5.3 step 8: NOOP; secure attribute
+  // S5.3 step 9: NOOP; httpOnly attribute
+
+  // S5.3 step 10
+  if (options.http === false && cookie.httpOnly) {
+    err = new Error("Cookie is HttpOnly and this isn't an HTTP API");
+    return cb(options.ignoreError ? null : err);
+  }
+
+  var store = this.store;
+
+  if (!store.updateCookie) {
+    store.updateCookie = function(oldCookie, newCookie, cb) {
+      this.putCookie(newCookie, cb);
+    };
+  }
+
+  function withCookie(err, oldCookie) {
+    if (err) {
+      return cb(err);
+    }
+
+    var next = function(err) {
+      if (err) {
+        return cb(err);
+      } else {
+        cb(null, cookie);
+      }
+    };
+
+    if (oldCookie) {
+      // S5.3 step 11 - "If the cookie store contains a cookie with the same name,
+      // domain, and path as the newly created cookie:"
+      if (options.http === false && oldCookie.httpOnly) { // step 11.2
+        err = new Error("old Cookie is HttpOnly and this isn't an HTTP API");
+        return cb(options.ignoreError ? null : err);
+      }
+      cookie.creation = oldCookie.creation; // step 11.3
+      cookie.creationIndex = oldCookie.creationIndex; // preserve tie-breaker
+      cookie.lastAccessed = now;
+      // Step 11.4 (delete cookie) is implied by just setting the new one:
+      store.updateCookie(oldCookie, cookie, next); // step 12
+
+    } else {
+      cookie.creation = cookie.lastAccessed = now;
+      store.putCookie(cookie, next); // step 12
+    }
+  }
+
+  store.findCookie(cookie.domain, cookie.path, cookie.key, withCookie);
+};
+
+// RFC6365 S5.4
+CAN_BE_SYNC.push('getCookies');
+CookieJar.prototype.getCookies = function(url, options, cb) {
+  var context = getCookieContext(url);
+  if (options instanceof Function) {
+    cb = options;
+    options = {};
+  }
+
+  var host = canonicalDomain(context.hostname);
+  var path = context.pathname || '/';
+
+  var secure = options.secure;
+  if (secure == null && context.protocol &&
+      (context.protocol == 'https:' || context.protocol == 'wss:'))
+  {
+    secure = true;
+  }
+
+  var http = options.http;
+  if (http == null) {
+    http = true;
+  }
+
+  var now = options.now || Date.now();
+  var expireCheck = options.expire !== false;
+  var allPaths = !!options.allPaths;
+  var store = this.store;
+
+  function matchingCookie(c) {
+    // "Either:
+    //   The cookie's host-only-flag is true and the canonicalized
+    //   request-host is identical to the cookie's domain.
+    // Or:
+    //   The cookie's host-only-flag is false and the canonicalized
+    //   request-host domain-matches the cookie's domain."
+    if (c.hostOnly) {
+      if (c.domain != host) {
+        return false;
+      }
+    } else {
+      if (!domainMatch(host, c.domain, false)) {
+        return false;
+      }
+    }
+
+    // "The request-uri's path path-matches the cookie's path."
+    if (!allPaths && !pathMatch(path, c.path)) {
+      return false;
+    }
+
+    // "If the cookie's secure-only-flag is true, then the request-uri's
+    // scheme must denote a "secure" protocol"
+    if (c.secure && !secure) {
+      return false;
+    }
+
+    // "If the cookie's http-only-flag is true, then exclude the cookie if the
+    // cookie-string is being generated for a "non-HTTP" API"
+    if (c.httpOnly && !http) {
+      return false;
+    }
+
+    // deferred from S5.3
+    // non-RFC: allow retention of expired cookies by choice
+    if (expireCheck && c.expiryTime() <= now) {
+      store.removeCookie(c.domain, c.path, c.key, function(){}); // result ignored
+      return false;
+    }
+
+    return true;
+  }
+
+  store.findCookies(host, allPaths ? null : path, function(err,cookies) {
+    if (err) {
+      return cb(err);
+    }
+
+    cookies = cookies.filter(matchingCookie);
+
+    // sorting of S5.4 part 2
+    if (options.sort !== false) {
+      cookies = cookies.sort(cookieCompare);
+    }
+
+    // S5.4 part 3
+    var now = new Date();
+    cookies.forEach(function(c) {
+      c.lastAccessed = now;
+    });
+    // TODO persist lastAccessed
+
+    cb(null,cookies);
+  });
+};
+
+CAN_BE_SYNC.push('getCookieString');
+CookieJar.prototype.getCookieString = function(/*..., cb*/) {
+  var args = Array.prototype.slice.call(arguments,0);
+  var cb = args.pop();
+  var next = function(err,cookies) {
+    if (err) {
+      cb(err);
+    } else {
+      cb(null, cookies
+        .sort(cookieCompare)
+        .map(function(c){
+          return c.cookieString();
+        })
+        .join('; '));
+    }
+  };
+  args.push(next);
+  this.getCookies.apply(this,args);
+};
+
+CAN_BE_SYNC.push('getSetCookieStrings');
+CookieJar.prototype.getSetCookieStrings = function(/*..., cb*/) {
+  var args = Array.prototype.slice.call(arguments,0);
+  var cb = args.pop();
+  var next = function(err,cookies) {
+    if (err) {
+      cb(err);
+    } else {
+      cb(null, cookies.map(function(c){
+        return c.toString();
+      }));
+    }
+  };
+  args.push(next);
+  this.getCookies.apply(this,args);
+};
+
+CAN_BE_SYNC.push('serialize');
+CookieJar.prototype.serialize = function(cb) {
+  var type = this.store.constructor.name;
+  if (type === 'Object') {
+    type = null;
+  }
+
+  // update README.md "Serialization Format" if you change this, please!
+  var serialized = {
+    // The version of tough-cookie that serialized this jar. Generally a good
+    // practice since future versions can make data import decisions based on
+    // known past behavior. When/if this matters, use `semver`.
+    version: 'tough-cookie@'+VERSION,
+
+    // add the store type, to make humans happy:
+    storeType: type,
+
+    // CookieJar configuration:
+    rejectPublicSuffixes: !!this.rejectPublicSuffixes,
+
+    // this gets filled from getAllCookies:
+    cookies: []
+  };
+
+  if (!(this.store.getAllCookies &&
+        typeof this.store.getAllCookies === 'function'))
+  {
+    return cb(new Error('store does not support getAllCookies and cannot be serialized'));
+  }
+
+  this.store.getAllCookies(function(err,cookies) {
+    if (err) {
+      return cb(err);
+    }
+
+    serialized.cookies = cookies.map(function(cookie) {
+      // convert to serialized 'raw' cookies
+      cookie = (cookie instanceof Cookie) ? cookie.toJSON() : cookie;
+
+      // Remove the index so new ones get assigned during deserialization
+      delete cookie.creationIndex;
+
+      return cookie;
+    });
+
+    return cb(null, serialized);
+  });
+};
+
+// well-known name that JSON.stringify calls
+CookieJar.prototype.toJSON = function() {
+  return this.serializeSync();
+};
+
+// use the class method CookieJar.deserialize instead of calling this directly
+CAN_BE_SYNC.push('_importCookies');
+CookieJar.prototype._importCookies = function(serialized, cb) {
+  var jar = this;
+  var cookies = serialized.cookies;
+  if (!cookies || !Array.isArray(cookies)) {
+    return cb(new Error('serialized jar has no cookies array'));
+  }
+  cookies = cookies.slice(); // do not modify the original
+
+  function putNext(err) {
+    if (err) {
+      return cb(err);
+    }
+
+    if (!cookies.length) {
+      return cb(err, jar);
+    }
+
+    var cookie;
+    try {
+      cookie = fromJSON(cookies.shift());
+    } catch (e) {
+      return cb(e);
+    }
+
+    if (cookie === null) {
+      return putNext(null); // skip this cookie
+    }
+
+    jar.store.putCookie(cookie, putNext);
+  }
+
+  putNext();
+};
+
+CookieJar.deserialize = function(strOrObj, store, cb) {
+  if (arguments.length !== 3) {
+    // store is optional
+    cb = store;
+    store = null;
+  }
+
+  var serialized;
+  if (typeof strOrObj === 'string') {
+    serialized = jsonParse(strOrObj);
+    if (serialized instanceof Error) {
+      return cb(serialized);
+    }
+  } else {
+    serialized = strOrObj;
+  }
+
+  var jar = new CookieJar(store, serialized.rejectPublicSuffixes);
+  jar._importCookies(serialized, function(err) {
+    if (err) {
+      return cb(err);
+    }
+    cb(null, jar);
+  });
+};
+
+CookieJar.deserializeSync = function(strOrObj, store) {
+  var serialized = typeof strOrObj === 'string' ?
+    JSON.parse(strOrObj) : strOrObj;
+  var jar = new CookieJar(store, serialized.rejectPublicSuffixes);
+
+  // catch this mistake early:
+  if (!jar.store.synchronous) {
+    throw new Error('CookieJar store is not synchronous; use async API instead.');
+  }
+
+  jar._importCookiesSync(serialized);
+  return jar;
+};
+CookieJar.fromJSON = CookieJar.deserializeSync;
+
+CookieJar.prototype.clone = function(newStore, cb) {
+  if (arguments.length === 1) {
+    cb = newStore;
+    newStore = null;
+  }
+
+  this.serialize(function(err,serialized) {
+    if (err) {
+      return cb(err);
+    }
+    CookieJar.deserialize(serialized, newStore, cb);
+  });
+};
+
+CAN_BE_SYNC.push('removeAllCookies');
+CookieJar.prototype.removeAllCookies = function(cb) {
+  var store = this.store;
+
+  // Check that the store implements its own removeAllCookies(). The default
+  // implementation in Store will immediately call the callback with a "not
+  // implemented" Error.
+  if (store.removeAllCookies instanceof Function &&
+      store.removeAllCookies !== Store.prototype.removeAllCookies)
+  {
+    return store.removeAllCookies(cb);
+  }
+
+  store.getAllCookies(function(err, cookies) {
+    if (err) {
+      return cb(err);
+    }
+
+    if (cookies.length === 0) {
+      return cb(null);
+    }
+
+    var completedCount = 0;
+    var removeErrors = [];
+
+    function removeCookieCb(removeErr) {
+      if (removeErr) {
+        removeErrors.push(removeErr);
+      }
+
+      completedCount++;
+
+      if (completedCount === cookies.length) {
+        return cb(removeErrors.length ? removeErrors[0] : null);
+      }
+    }
+
+    cookies.forEach(function(cookie) {
+      store.removeCookie(cookie.domain, cookie.path, cookie.key, removeCookieCb);
+    });
+  });
+};
+
+CookieJar.prototype._cloneSync = syncWrap('clone');
+CookieJar.prototype.cloneSync = function(newStore) {
+  if (!newStore.synchronous) {
+    throw new Error('CookieJar clone destination store is not synchronous; use async API instead.');
+  }
+  return this._cloneSync(newStore);
+};
+
+// Use a closure to provide a true imperative API for synchronous stores.
+function syncWrap(method) {
+  return function() {
+    if (!this.store.synchronous) {
+      throw new Error('CookieJar store is not synchronous; use async API instead.');
+    }
+
+    var args = Array.prototype.slice.call(arguments);
+    var syncErr, syncResult;
+    args.push(function syncCb(err, result) {
+      syncErr = err;
+      syncResult = result;
+    });
+    this[method].apply(this, args);
+
+    if (syncErr) {
+      throw syncErr;
+    }
+    return syncResult;
+  };
+}
+
+// wrap all declared CAN_BE_SYNC methods in the sync wrapper
+CAN_BE_SYNC.forEach(function(method) {
+  CookieJar.prototype[method+'Sync'] = syncWrap(method);
+});
+
+exports.version = VERSION;
+exports.CookieJar = CookieJar;
+exports.Cookie = Cookie;
+exports.Store = Store;
+exports.MemoryCookieStore = MemoryCookieStore;
+exports.parseDate = parseDate;
+exports.formatDate = formatDate;
+exports.parse = parse;
+exports.fromJSON = fromJSON;
+exports.domainMatch = domainMatch;
+exports.defaultPath = defaultPath;
+exports.pathMatch = pathMatch;
+exports.getPublicSuffix = pubsuffix.getPublicSuffix;
+exports.cookieCompare = cookieCompare;
+exports.permuteDomain = require('./permuteDomain').permuteDomain;
+exports.permutePath = permutePath;
+exports.canonicalDomain = canonicalDomain;
diff --git a/node_modules/tough-cookie/lib/memstore.js b/node_modules/tough-cookie/lib/memstore.js
new file mode 100644
index 000000000..d2b915c93
--- /dev/null
+++ b/node_modules/tough-cookie/lib/memstore.js
@@ -0,0 +1,181 @@
+/*!
+ * Copyright (c) 2015, Salesforce.com, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of Salesforce.com nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+'use strict';
+var Store = require('./store').Store;
+var permuteDomain = require('./permuteDomain').permuteDomain;
+var pathMatch = require('./pathMatch').pathMatch;
+var util = require('util');
+
+function MemoryCookieStore() {
+  Store.call(this);
+  this.idx = {};
+}
+util.inherits(MemoryCookieStore, Store);
+exports.MemoryCookieStore = MemoryCookieStore;
+MemoryCookieStore.prototype.idx = null;
+
+// Since it's just a struct in RAM, this Store is synchronous
+MemoryCookieStore.prototype.synchronous = true;
+
+// force a default depth:
+MemoryCookieStore.prototype.inspect = function() {
+  return "{ idx: "+util.inspect(this.idx, false, 2)+' }';
+};
+
+// Use the new custom inspection symbol to add the custom inspect function if
+// available.
+if (util.inspect.custom) {
+  MemoryCookieStore.prototype[util.inspect.custom] = MemoryCookieStore.prototype.inspect;
+}
+
+MemoryCookieStore.prototype.findCookie = function(domain, path, key, cb) {
+  if (!this.idx[domain]) {
+    return cb(null,undefined);
+  }
+  if (!this.idx[domain][path]) {
+    return cb(null,undefined);
+  }
+  return cb(null,this.idx[domain][path][key]||null);
+};
+
+MemoryCookieStore.prototype.findCookies = function(domain, path, cb) {
+  var results = [];
+  if (!domain) {
+    return cb(null,[]);
+  }
+
+  var pathMatcher;
+  if (!path) {
+    // null means "all paths"
+    pathMatcher = function matchAll(domainIndex) {
+      for (var curPath in domainIndex) {
+        var pathIndex = domainIndex[curPath];
+        for (var key in pathIndex) {
+          results.push(pathIndex[key]);
+        }
+      }
+    };
+
+  } else {
+    pathMatcher = function matchRFC(domainIndex) {
+       //NOTE: we should use path-match algorithm from S5.1.4 here
+       //(see : https://github.com/ChromiumWebApps/chromium/blob/b3d3b4da8bb94c1b2e061600df106d590fda3620/net/cookies/canonical_cookie.cc#L299)
+       Object.keys(domainIndex).forEach(function (cookiePath) {
+         if (pathMatch(path, cookiePath)) {
+           var pathIndex = domainIndex[cookiePath];
+
+           for (var key in pathIndex) {
+             results.push(pathIndex[key]);
+           }
+         }
+       });
+     };
+  }
+
+  var domains = permuteDomain(domain) || [domain];
+  var idx = this.idx;
+  domains.forEach(function(curDomain) {
+    var domainIndex = idx[curDomain];
+    if (!domainIndex) {
+      return;
+    }
+    pathMatcher(domainIndex);
+  });
+
+  cb(null,results);
+};
+
+MemoryCookieStore.prototype.putCookie = function(cookie, cb) {
+  if (!this.idx[cookie.domain]) {
+    this.idx[cookie.domain] = {};
+  }
+  if (!this.idx[cookie.domain][cookie.path]) {
+    this.idx[cookie.domain][cookie.path] = {};
+  }
+  this.idx[cookie.domain][cookie.path][cookie.key] = cookie;
+  cb(null);
+};
+
+MemoryCookieStore.prototype.updateCookie = function(oldCookie, newCookie, cb) {
+  // updateCookie() may avoid updating cookies that are identical.  For example,
+  // lastAccessed may not be important to some stores and an equality
+  // comparison could exclude that field.
+  this.putCookie(newCookie,cb);
+};
+
+MemoryCookieStore.prototype.removeCookie = function(domain, path, key, cb) {
+  if (this.idx[domain] && this.idx[domain][path] && this.idx[domain][path][key]) {
+    delete this.idx[domain][path][key];
+  }
+  cb(null);
+};
+
+MemoryCookieStore.prototype.removeCookies = function(domain, path, cb) {
+  if (this.idx[domain]) {
+    if (path) {
+      delete this.idx[domain][path];
+    } else {
+      delete this.idx[domain];
+    }
+  }
+  return cb(null);
+};
+
+MemoryCookieStore.prototype.removeAllCookies = function(cb) {
+  this.idx = {};
+  return cb(null);
+}
+
+MemoryCookieStore.prototype.getAllCookies = function(cb) {
+  var cookies = [];
+  var idx = this.idx;
+
+  var domains = Object.keys(idx);
+  domains.forEach(function(domain) {
+    var paths = Object.keys(idx[domain]);
+    paths.forEach(function(path) {
+      var keys = Object.keys(idx[domain][path]);
+      keys.forEach(function(key) {
+        if (key !== null) {
+          cookies.push(idx[domain][path][key]);
+        }
+      });
+    });
+  });
+
+  // Sort by creationIndex so deserializing retains the creation order.
+  // When implementing your own store, this SHOULD retain the order too
+  cookies.sort(function(a,b) {
+    return (a.creationIndex||0) - (b.creationIndex||0);
+  });
+
+  cb(null, cookies);
+};
diff --git a/node_modules/tough-cookie/lib/pathMatch.js b/node_modules/tough-cookie/lib/pathMatch.js
new file mode 100644
index 000000000..7c7a79f1f
--- /dev/null
+++ b/node_modules/tough-cookie/lib/pathMatch.js
@@ -0,0 +1,61 @@
+/*!
+ * Copyright (c) 2015, Salesforce.com, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of Salesforce.com nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+"use strict";
+/*
+ * "A request-path path-matches a given cookie-path if at least one of the
+ * following conditions holds:"
+ */
+function pathMatch (reqPath, cookiePath) {
+  // "o  The cookie-path and the request-path are identical."
+  if (cookiePath === reqPath) {
+    return true;
+  }
+
+  var idx = reqPath.indexOf(cookiePath);
+  if (idx === 0) {
+    // "o  The cookie-path is a prefix of the request-path, and the last
+    // character of the cookie-path is %x2F ("/")."
+    if (cookiePath.substr(-1) === "/") {
+      return true;
+    }
+
+    // " o  The cookie-path is a prefix of the request-path, and the first
+    // character of the request-path that is not included in the cookie- path
+    // is a %x2F ("/") character."
+    if (reqPath.substr(cookiePath.length, 1) === "/") {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+exports.pathMatch = pathMatch;
diff --git a/node_modules/tough-cookie/lib/permuteDomain.js b/node_modules/tough-cookie/lib/permuteDomain.js
new file mode 100644
index 000000000..91bf44627
--- /dev/null
+++ b/node_modules/tough-cookie/lib/permuteDomain.js
@@ -0,0 +1,56 @@
+/*!
+ * Copyright (c) 2015, Salesforce.com, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of Salesforce.com nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+"use strict";
+var pubsuffix = require('./pubsuffix-psl');
+
+// Gives the permutation of all possible domainMatch()es of a given domain. The
+// array is in shortest-to-longest order.  Handy for indexing.
+function permuteDomain (domain) {
+  var pubSuf = pubsuffix.getPublicSuffix(domain);
+  if (!pubSuf) {
+    return null;
+  }
+  if (pubSuf == domain) {
+    return [domain];
+  }
+
+  var prefix = domain.slice(0, -(pubSuf.length + 1)); // ".example.com"
+  var parts = prefix.split('.').reverse();
+  var cur = pubSuf;
+  var permutations = [cur];
+  while (parts.length) {
+    cur = parts.shift() + '.' + cur;
+    permutations.push(cur);
+  }
+  return permutations;
+}
+
+exports.permuteDomain = permuteDomain;
diff --git a/node_modules/tough-cookie/lib/pubsuffix-psl.js b/node_modules/tough-cookie/lib/pubsuffix-psl.js
new file mode 100644
index 000000000..c88329f88
--- /dev/null
+++ b/node_modules/tough-cookie/lib/pubsuffix-psl.js
@@ -0,0 +1,38 @@
+/*!
+ * Copyright (c) 2018, Salesforce.com, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of Salesforce.com nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+'use strict';
+var psl = require('psl');
+
+function getPublicSuffix(domain) {
+  return psl.get(domain);
+}
+
+exports.getPublicSuffix = getPublicSuffix;
diff --git a/node_modules/tough-cookie/lib/store.js b/node_modules/tough-cookie/lib/store.js
new file mode 100644
index 000000000..859208fc9
--- /dev/null
+++ b/node_modules/tough-cookie/lib/store.js
@@ -0,0 +1,75 @@
+/*!
+ * Copyright (c) 2015, Salesforce.com, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of Salesforce.com nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+'use strict';
+/*jshint unused:false */
+
+function Store() {
+}
+exports.Store = Store;
+
+// Stores may be synchronous, but are still required to use a
+// Continuation-Passing Style API.  The CookieJar itself will expose a "*Sync"
+// API that converts from synchronous-callbacks to imperative style.
+Store.prototype.synchronous = false;
+
+Store.prototype.findCookie = function(domain, path, key, cb) {
+  throw new Error('findCookie is not implemented');
+};
+
+Store.prototype.findCookies = function(domain, path, cb) {
+  throw new Error('findCookies is not implemented');
+};
+
+Store.prototype.putCookie = function(cookie, cb) {
+  throw new Error('putCookie is not implemented');
+};
+
+Store.prototype.updateCookie = function(oldCookie, newCookie, cb) {
+  // recommended default implementation:
+  // return this.putCookie(newCookie, cb);
+  throw new Error('updateCookie is not implemented');
+};
+
+Store.prototype.removeCookie = function(domain, path, key, cb) {
+  throw new Error('removeCookie is not implemented');
+};
+
+Store.prototype.removeCookies = function(domain, path, cb) {
+  throw new Error('removeCookies is not implemented');
+};
+
+Store.prototype.removeAllCookies = function(cb) {
+  throw new Error('removeAllCookies is not implemented');
+}
+
+Store.prototype.getAllCookies = function(cb) {
+  throw new Error('getAllCookies is not implemented (therefore jar cannot be serialized)');
+};
diff --git a/node_modules/tough-cookie/lib/version.js b/node_modules/tough-cookie/lib/version.js
new file mode 100644
index 000000000..b34c6ae50
--- /dev/null
+++ b/node_modules/tough-cookie/lib/version.js
@@ -0,0 +1,2 @@
+// generated by genversion
+module.exports = '2.5.0'
diff --git a/node_modules/tough-cookie/package.json b/node_modules/tough-cookie/package.json
new file mode 100644
index 000000000..8af9909ed
--- /dev/null
+++ b/node_modules/tough-cookie/package.json
@@ -0,0 +1,78 @@
+{
+  "author": {
+    "name": "Jeremy Stashewsky",
+    "email": "jstash@gmail.com",
+    "website": "https://github.com/stash"
+  },
+  "contributors": [
+    {
+      "name": "Alexander Savin",
+      "website": "https://github.com/apsavin"
+    },
+    {
+      "name": "Ian Livingstone",
+      "website": "https://github.com/ianlivingstone"
+    },
+    {
+      "name": "Ivan Nikulin",
+      "website": "https://github.com/inikulin"
+    },
+    {
+      "name": "Lalit Kapoor",
+      "website": "https://github.com/lalitkapoor"
+    },
+    {
+      "name": "Sam Thompson",
+      "website": "https://github.com/sambthompson"
+    },
+    {
+      "name": "Sebastian Mayr",
+      "website": "https://github.com/Sebmaster"
+    }
+  ],
+  "license": "BSD-3-Clause",
+  "name": "tough-cookie",
+  "description": "RFC6265 Cookies and Cookie Jar for node.js",
+  "keywords": [
+    "HTTP",
+    "cookie",
+    "cookies",
+    "set-cookie",
+    "cookiejar",
+    "jar",
+    "RFC6265",
+    "RFC2965"
+  ],
+  "version": "2.5.0",
+  "homepage": "https://github.com/salesforce/tough-cookie",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/salesforce/tough-cookie.git"
+  },
+  "bugs": {
+    "url": "https://github.com/salesforce/tough-cookie/issues"
+  },
+  "main": "./lib/cookie",
+  "files": [
+    "lib"
+  ],
+  "scripts": {
+    "version": "genversion lib/version.js && git add lib/version.js",
+    "test": "vows test/*_test.js",
+    "cover": "nyc --reporter=lcov --reporter=html vows test/*_test.js"
+  },
+  "engines": {
+    "node": ">=0.8"
+  },
+  "devDependencies": {
+    "async": "^1.4.2",
+    "genversion": "^2.1.0",
+    "nyc": "^11.6.0",
+    "string.prototype.repeat": "^0.2.0",
+    "vows": "^0.8.2"
+  },
+  "dependencies": {
+    "psl": "^1.1.28",
+    "punycode": "^2.1.1"
+  }
+}
diff --git a/node_modules/tr46/LICENSE.md b/node_modules/tr46/LICENSE.md
new file mode 100644
index 000000000..62c0de28a
--- /dev/null
+++ b/node_modules/tr46/LICENSE.md
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Sebastian Mayr
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/tr46/README.md b/node_modules/tr46/README.md
new file mode 100644
index 000000000..1df7915b7
--- /dev/null
+++ b/node_modules/tr46/README.md
@@ -0,0 +1,78 @@
+# tr46
+
+An JavaScript implementation of [Unicode Technical Standard #46: Unicode IDNA Compatibility Processing](https://unicode.org/reports/tr46/).
+
+## Installation
+
+[Node.js](http://nodejs.org) ≥ 12 is required. To install, type this at the command line:
+
+```shell
+npm install tr46
+# or
+yarn add tr46
+```
+
+## API
+
+### `toASCII(domainName[, options])`
+
+Converts a string of Unicode symbols to a case-folded Punycode string of ASCII symbols.
+
+Available options:
+
+* [`checkBidi`](#checkBidi)
+* [`checkHyphens`](#checkHyphens)
+* [`checkJoiners`](#checkJoiners)
+* [`processingOption`](#processingOption)
+* [`useSTD3ASCIIRules`](#useSTD3ASCIIRules)
+* [`verifyDNSLength`](#verifyDNSLength)
+
+### `toUnicode(domainName[, options])`
+
+Converts a case-folded Punycode string of ASCII symbols to a string of Unicode symbols.
+
+Available options:
+
+* [`checkBidi`](#checkBidi)
+* [`checkHyphens`](#checkHyphens)
+* [`checkJoiners`](#checkJoiners)
+* [`processingOption`](#processingOption)
+* [`useSTD3ASCIIRules`](#useSTD3ASCIIRules)
+
+## Options
+
+### `checkBidi`
+
+Type: `boolean`
+Default value: `false`
+When set to `true`, any bi-directional text within the input will be checked for validation.
+
+### `checkHyphens`
+
+Type: `boolean`
+Default value: `false`
+When set to `true`, the positions of any hyphen characters within the input will be checked for validation.
+
+### `checkJoiners`
+
+Type: `boolean`
+Default value: `false`
+When set to `true`, any word joiner characters within the input will be checked for validation.
+
+### `processingOption`
+
+Type: `string`
+Default value: `"nontransitional"`
+When set to `"transitional"`, symbols within the input will be validated according to the older IDNA2003 protocol. When set to `"nontransitional"`, the current IDNA2008 protocol will be used.
+
+### `useSTD3ASCIIRules`
+
+Type: `boolean`
+Default value: `false`
+When set to `true`, input will be validated according to [STD3 Rules](http://unicode.org/reports/tr46/#STD3_Rules).
+
+### `verifyDNSLength`
+
+Type: `boolean`
+Default value: `false`
+When set to `true`, the length of each DNS label within the input will be checked for validation.
diff --git a/node_modules/tr46/index.js b/node_modules/tr46/index.js
new file mode 100644
index 000000000..7ce053272
--- /dev/null
+++ b/node_modules/tr46/index.js
@@ -0,0 +1,298 @@
+"use strict";
+
+const punycode = require("punycode");
+const regexes = require("./lib/regexes.js");
+const mappingTable = require("./lib/mappingTable.json");
+const { STATUS_MAPPING } = require("./lib/statusMapping.js");
+
+function containsNonASCII(str) {
+  return /[^\x00-\x7F]/u.test(str);
+}
+
+function findStatus(val, { useSTD3ASCIIRules }) {
+  let start = 0;
+  let end = mappingTable.length - 1;
+
+  while (start <= end) {
+    const mid = Math.floor((start + end) / 2);
+
+    const target = mappingTable[mid];
+    const min = Array.isArray(target[0]) ? target[0][0] : target[0];
+    const max = Array.isArray(target[0]) ? target[0][1] : target[0];
+
+    if (min <= val && max >= val) {
+      if (useSTD3ASCIIRules &&
+          (target[1] === STATUS_MAPPING.disallowed_STD3_valid || target[1] === STATUS_MAPPING.disallowed_STD3_mapped)) {
+        return [STATUS_MAPPING.disallowed, ...target.slice(2)];
+      } else if (target[1] === STATUS_MAPPING.disallowed_STD3_valid) {
+        return [STATUS_MAPPING.valid, ...target.slice(2)];
+      } else if (target[1] === STATUS_MAPPING.disallowed_STD3_mapped) {
+        return [STATUS_MAPPING.mapped, ...target.slice(2)];
+      }
+
+      return target.slice(1);
+    } else if (min > val) {
+      end = mid - 1;
+    } else {
+      start = mid + 1;
+    }
+  }
+
+  return null;
+}
+
+function mapChars(domainName, { useSTD3ASCIIRules, processingOption }) {
+  let hasError = false;
+  let processed = "";
+
+  for (const ch of domainName) {
+    const [status, mapping] = findStatus(ch.codePointAt(0), { useSTD3ASCIIRules });
+
+    switch (status) {
+      case STATUS_MAPPING.disallowed:
+        hasError = true;
+        processed += ch;
+        break;
+      case STATUS_MAPPING.ignored:
+        break;
+      case STATUS_MAPPING.mapped:
+        processed += mapping;
+        break;
+      case STATUS_MAPPING.deviation:
+        if (processingOption === "transitional") {
+          processed += mapping;
+        } else {
+          processed += ch;
+        }
+        break;
+      case STATUS_MAPPING.valid:
+        processed += ch;
+        break;
+    }
+  }
+
+  return {
+    string: processed,
+    error: hasError
+  };
+}
+
+function validateLabel(label, { checkHyphens, checkBidi, checkJoiners, processingOption, useSTD3ASCIIRules }) {
+  if (label.normalize("NFC") !== label) {
+    return false;
+  }
+
+  const codePoints = Array.from(label);
+
+  if (checkHyphens) {
+    if ((codePoints[2] === "-" && codePoints[3] === "-") ||
+        (label.startsWith("-") || label.endsWith("-"))) {
+      return false;
+    }
+  }
+
+  if (label.includes(".") ||
+      (codePoints.length > 0 && regexes.combiningMarks.test(codePoints[0]))) {
+    return false;
+  }
+
+  for (const ch of codePoints) {
+    const [status] = findStatus(ch.codePointAt(0), { useSTD3ASCIIRules });
+    if ((processingOption === "transitional" && status !== STATUS_MAPPING.valid) ||
+        (processingOption === "nontransitional" &&
+         status !== STATUS_MAPPING.valid && status !== STATUS_MAPPING.deviation)) {
+      return false;
+    }
+  }
+
+  // https://tools.ietf.org/html/rfc5892#appendix-A
+  if (checkJoiners) {
+    let last = 0;
+    for (const [i, ch] of codePoints.entries()) {
+      if (ch === "\u200C" || ch === "\u200D") {
+        if (i > 0) {
+          if (regexes.combiningClassVirama.test(codePoints[i - 1])) {
+            continue;
+          }
+          if (ch === "\u200C") {
+            // TODO: make this more efficient
+            const next = codePoints.indexOf("\u200C", i + 1);
+            const test = next < 0 ? codePoints.slice(last) : codePoints.slice(last, next);
+            if (regexes.validZWNJ.test(test.join(""))) {
+              last = i + 1;
+              continue;
+            }
+          }
+        }
+        return false;
+      }
+    }
+  }
+
+  // https://tools.ietf.org/html/rfc5893#section-2
+  if (checkBidi) {
+    let rtl;
+
+    // 1
+    if (regexes.bidiS1LTR.test(codePoints[0])) {
+      rtl = false;
+    } else if (regexes.bidiS1RTL.test(codePoints[0])) {
+      rtl = true;
+    } else {
+      return false;
+    }
+
+    if (rtl) {
+      // 2-4
+      if (!regexes.bidiS2.test(label) ||
+          !regexes.bidiS3.test(label) ||
+          (regexes.bidiS4EN.test(label) && regexes.bidiS4AN.test(label))) {
+        return false;
+      }
+    } else if (!regexes.bidiS5.test(label) ||
+               !regexes.bidiS6.test(label)) { // 5-6
+      return false;
+    }
+  }
+
+  return true;
+}
+
+function isBidiDomain(labels) {
+  const domain = labels.map(label => {
+    if (label.startsWith("xn--")) {
+      try {
+        return punycode.decode(label.substring(4));
+      } catch (err) {
+        return "";
+      }
+    }
+    return label;
+  }).join(".");
+  return regexes.bidiDomain.test(domain);
+}
+
+function processing(domainName, options) {
+  const { processingOption } = options;
+
+  // 1. Map.
+  let { string, error } = mapChars(domainName, options);
+
+  // 2. Normalize.
+  string = string.normalize("NFC");
+
+  // 3. Break.
+  const labels = string.split(".");
+  const isBidi = isBidiDomain(labels);
+
+  // 4. Convert/Validate.
+  for (const [i, origLabel] of labels.entries()) {
+    let label = origLabel;
+    let curProcessing = processingOption;
+    if (label.startsWith("xn--")) {
+      try {
+        label = punycode.decode(label.substring(4));
+        labels[i] = label;
+      } catch (err) {
+        error = true;
+        continue;
+      }
+      curProcessing = "nontransitional";
+    }
+
+    // No need to validate if we already know there is an error.
+    if (error) {
+      continue;
+    }
+    const validation = validateLabel(label, {
+      ...options,
+      processingOption: curProcessing,
+      checkBidi: options.checkBidi && isBidi
+    });
+    if (!validation) {
+      error = true;
+    }
+  }
+
+  return {
+    string: labels.join("."),
+    error
+  };
+}
+
+function toASCII(domainName, {
+  checkHyphens = false,
+  checkBidi = false,
+  checkJoiners = false,
+  useSTD3ASCIIRules = false,
+  processingOption = "nontransitional",
+  verifyDNSLength = false
+} = {}) {
+  if (processingOption !== "transitional" && processingOption !== "nontransitional") {
+    throw new RangeError("processingOption must be either transitional or nontransitional");
+  }
+
+  const result = processing(domainName, {
+    processingOption,
+    checkHyphens,
+    checkBidi,
+    checkJoiners,
+    useSTD3ASCIIRules
+  });
+  let labels = result.string.split(".");
+  labels = labels.map(l => {
+    if (containsNonASCII(l)) {
+      try {
+        return `xn--${punycode.encode(l)}`;
+      } catch (e) {
+        result.error = true;
+      }
+    }
+    return l;
+  });
+
+  if (verifyDNSLength) {
+    const total = labels.join(".").length;
+    if (total > 253 || total === 0) {
+      result.error = true;
+    }
+
+    for (let i = 0; i < labels.length; ++i) {
+      if (labels[i].length > 63 || labels[i].length === 0) {
+        result.error = true;
+        break;
+      }
+    }
+  }
+
+  if (result.error) {
+    return null;
+  }
+  return labels.join(".");
+}
+
+function toUnicode(domainName, {
+  checkHyphens = false,
+  checkBidi = false,
+  checkJoiners = false,
+  useSTD3ASCIIRules = false,
+  processingOption = "nontransitional"
+} = {}) {
+  const result = processing(domainName, {
+    processingOption,
+    checkHyphens,
+    checkBidi,
+    checkJoiners,
+    useSTD3ASCIIRules
+  });
+
+  return {
+    domain: result.string,
+    error: result.error
+  };
+}
+
+module.exports = {
+  toASCII,
+  toUnicode
+};
diff --git a/node_modules/tr46/lib/mappingTable.json b/node_modules/tr46/lib/mappingTable.json
new file mode 100644
index 000000000..3d71a5eff
--- /dev/null
+++ b/node_modules/tr46/lib/mappingTable.json
@@ -0,0 +1 @@
+[[[0,44],4],[[45,46],2],[47,4],[[48,57],2],[[58,64],4],[65,1,"a"],[66,1,"b"],[67,1,"c"],[68,1,"d"],[69,1,"e"],[70,1,"f"],[71,1,"g"],[72,1,"h"],[73,1,"i"],[74,1,"j"],[75,1,"k"],[76,1,"l"],[77,1,"m"],[78,1,"n"],[79,1,"o"],[80,1,"p"],[81,1,"q"],[82,1,"r"],[83,1,"s"],[84,1,"t"],[85,1,"u"],[86,1,"v"],[87,1,"w"],[88,1,"x"],[89,1,"y"],[90,1,"z"],[[91,96],4],[[97,122],2],[[123,127],4],[[128,159],3],[160,5," "],[[161,167],2],[168,5," ̈"],[169,2],[170,1,"a"],[[171,172],2],[173,7],[174,2],[175,5," ̄"],[[176,177],2],[178,1,"2"],[179,1,"3"],[180,5," ́"],[181,1,"μ"],[182,2],[183,2],[184,5," 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\ No newline at end of file
diff --git a/node_modules/tr46/lib/regexes.js b/node_modules/tr46/lib/regexes.js
new file mode 100644
index 000000000..4dd8051e2
--- /dev/null
+++ b/node_modules/tr46/lib/regexes.js
@@ -0,0 +1,29 @@
+"use strict";
+
+const combiningMarks = /[\u0300-\u036F\u0483-\u0489\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7\u06E8\u06EA-\u06ED\u0711\u0730-\u074A\u07A6-\u07B0\u07EB-\u07F3\u07FD\u0816-\u0819\u081B-\u0823\u0825-\u0827\u0829-\u082D\u0859-\u085B\u0898-\u089F\u08CA-\u08E1\u08E3-\u0903\u093A-\u093C\u093E-\u094F\u0951-\u0957\u0962\u0963\u0981-\u0983\u09BC\u09BE-\u09C4\u09C7\u09C8\u09CB-\u09CD\u09D7\u09E2\u09E3\u09FE\u0A01-\u0A03\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A70\u0A71\u0A75\u0A81-\u0A83\u0ABC\u0ABE-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AE2\u0AE3\u0AFA-\u0AFF\u0B01-\u0B03\u0B3C\u0B3E-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B55-\u0B57\u0B62\u0B63\u0B82\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD7\u0C00-\u0C04\u0C3C\u0C3E-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C62\u0C63\u0C81-\u0C83\u0CBC\u0CBE-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CE2\u0CE3\u0D00-\u0D03\u0D3B\u0D3C\u0D3E-\u0D44\u0D46-\u0D48\u0D4A-\u0D4D\u0D57\u0D62\u0D63\u0D81-\u0D83\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DF2\u0DF3\u0E31\u0E34-\u0E3A\u0E47-\u0E4E\u0EB1\u0EB4-\u0EBC\u0EC8-\u0ECD\u0F18\u0F19\u0F35\u0F37\u0F39\u0F3E\u0F3F\u0F71-\u0F84\u0F86\u0F87\u0F8D-\u0F97\u0F99-\u0FBC\u0FC6\u102B-\u103E\u1056-\u1059\u105E-\u1060\u1062-\u1064\u1067-\u106D\u1071-\u1074\u1082-\u108D\u108F\u109A-\u109D\u135D-\u135F\u1712-\u1715\u1732-\u1734\u1752\u1753\u1772\u1773\u17B4-\u17D3\u17DD\u180B-\u180D\u180F\u1885\u1886\u18A9\u1920-\u192B\u1930-\u193B\u1A17-\u1A1B\u1A55-\u1A5E\u1A60-\u1A7C\u1A7F\u1AB0-\u1ACE\u1B00-\u1B04\u1B34-\u1B44\u1B6B-\u1B73\u1B80-\u1B82\u1BA1-\u1BAD\u1BE6-\u1BF3\u1C24-\u1C37\u1CD0-\u1CD2\u1CD4-\u1CE8\u1CED\u1CF4\u1CF7-\u1CF9\u1DC0-\u1DFF\u20D0-\u20F0\u2CEF-\u2CF1\u2D7F\u2DE0-\u2DFF\u302A-\u302F\u3099\u309A\uA66F-\uA672\uA674-\uA67D\uA69E\uA69F\uA6F0\uA6F1\uA802\uA806\uA80B\uA823-\uA827\uA82C\uA880\uA881\uA8B4-\uA8C5\uA8E0-\uA8F1\uA8FF\uA926-\uA92D\uA947-\uA953\uA980-\uA983\uA9B3-\uA9C0\uA9E5\uAA29-\uAA36\uAA43\uAA4C\uAA4D\uAA7B-\uAA7D\uAAB0\uAAB2-\uAAB4\uAAB7\uAAB8\uAABE\uAABF\uAAC1\uAAEB-\uAAEF\uAAF5\uAAF6\uABE3-\uABEA\uABEC\uABED\uFB1E\uFE00-\uFE0F\uFE20-\uFE2F\u{101FD}\u{102E0}\u{10376}-\u{1037A}\u{10A01}-\u{10A03}\u{10A05}\u{10A06}\u{10A0C}-\u{10A0F}\u{10A38}-\u{10A3A}\u{10A3F}\u{10AE5}\u{10AE6}\u{10D24}-\u{10D27}\u{10EAB}\u{10EAC}\u{10F46}-\u{10F50}\u{10F82}-\u{10F85}\u{11000}-\u{11002}\u{11038}-\u{11046}\u{11070}\u{11073}\u{11074}\u{1107F}-\u{11082}\u{110B0}-\u{110BA}\u{110C2}\u{11100}-\u{11102}\u{11127}-\u{11134}\u{11145}\u{11146}\u{11173}\u{11180}-\u{11182}\u{111B3}-\u{111C0}\u{111C9}-\u{111CC}\u{111CE}\u{111CF}\u{1122C}-\u{11237}\u{1123E}\u{112DF}-\u{112EA}\u{11300}-\u{11303}\u{1133B}\u{1133C}\u{1133E}-\u{11344}\u{11347}\u{11348}\u{1134B}-\u{1134D}\u{11357}\u{11362}\u{11363}\u{11366}-\u{1136C}\u{11370}-\u{11374}\u{11435}-\u{11446}\u{1145E}\u{114B0}-\u{114C3}\u{115AF}-\u{115B5}\u{115B8}-\u{115C0}\u{115DC}\u{115DD}\u{11630}-\u{11640}\u{116AB}-\u{116B7}\u{1171D}-\u{1172B}\u{1182C}-\u{1183A}\u{11930}-\u{11935}\u{11937}\u{11938}\u{1193B}-\u{1193E}\u{11940}\u{11942}\u{11943}\u{119D1}-\u{119D7}\u{119DA}-\u{119E0}\u{119E4}\u{11A01}-\u{11A0A}\u{11A33}-\u{11A39}\u{11A3B}-\u{11A3E}\u{11A47}\u{11A51}-\u{11A5B}\u{11A8A}-\u{11A99}\u{11C2F}-\u{11C36}\u{11C38}-\u{11C3F}\u{11C92}-\u{11CA7}\u{11CA9}-\u{11CB6}\u{11D31}-\u{11D36}\u{11D3A}\u{11D3C}\u{11D3D}\u{11D3F}-\u{11D45}\u{11D47}\u{11D8A}-\u{11D8E}\u{11D90}\u{11D91}\u{11D93}-\u{11D97}\u{11EF3}-\u{11EF6}\u{16AF0}-\u{16AF4}\u{16B30}-\u{16B36}\u{16F4F}\u{16F51}-\u{16F87}\u{16F8F}-\u{16F92}\u{16FE4}\u{16FF0}\u{16FF1}\u{1BC9D}\u{1BC9E}\u{1CF00}-\u{1CF2D}\u{1CF30}-\u{1CF46}\u{1D165}-\u{1D169}\u{1D16D}-\u{1D172}\u{1D17B}-\u{1D182}\u{1D185}-\u{1D18B}\u{1D1AA}-\u{1D1AD}\u{1D242}-\u{1D244}\u{1DA00}-\u{1DA36}\u{1DA3B}-\u{1DA6C}\u{1DA75}\u{1DA84}\u{1DA9B}-\u{1DA9F}\u{1DAA1}-\u{1DAAF}\u{1E000}-\u{1E006}\u{1E008}-\u{1E018}\u{1E01B}-\u{1E021}\u{1E023}\u{1E024}\u{1E026}-\u{1E02A}\u{1E130}-\u{1E136}\u{1E2AE}\u{1E2EC}-\u{1E2EF}\u{1E8D0}-\u{1E8D6}\u{1E944}-\u{1E94A}\u{E0100}-\u{E01EF}]/u;
+const combiningClassVirama = /[\u094D\u09CD\u0A4D\u0ACD\u0B4D\u0BCD\u0C4D\u0CCD\u0D3B\u0D3C\u0D4D\u0DCA\u0E3A\u0EBA\u0F84\u1039\u103A\u1714\u1734\u17D2\u1A60\u1B44\u1BAA\u1BAB\u1BF2\u1BF3\u2D7F\uA806\uA8C4\uA953\uA9C0\uAAF6\uABED\u{10A3F}\u{11046}\u{1107F}\u{110B9}\u{11133}\u{11134}\u{111C0}\u{11235}\u{112EA}\u{1134D}\u{11442}\u{114C2}\u{115BF}\u{1163F}\u{116B6}\u{1172B}\u{11839}\u{119E0}\u{11A34}\u{11A47}\u{11A99}\u{11C3F}\u{11D44}\u{11D45}\u{11D97}]/u;
+const validZWNJ = /[\u0620\u0626\u0628\u062A-\u062E\u0633-\u063F\u0641-\u0647\u0649\u064A\u066E\u066F\u0678-\u0687\u069A-\u06BF\u06C1\u06C2\u06CC\u06CE\u06D0\u06D1\u06FA-\u06FC\u06FF\u0712-\u0714\u071A-\u071D\u071F-\u0727\u0729\u072B\u072D\u072E\u074E-\u0758\u075C-\u076A\u076D-\u0770\u0772\u0775-\u0777\u077A-\u077F\u07CA-\u07EA\u0841-\u0845\u0848\u084A-\u0853\u0855\u0860\u0862-\u0865\u0868\u08A0-\u08A9\u08AF\u08B0\u08B3\u08B4\u08B6-\u08B8\u08BA-\u08BD\u1807\u1820-\u1878\u1887-\u18A8\u18AA\uA840-\uA872\u{10AC0}-\u{10AC4}\u{10ACD}\u{10AD3}-\u{10ADC}\u{10ADE}-\u{10AE0}\u{10AEB}-\u{10AEE}\u{10B80}\u{10B82}\u{10B86}-\u{10B88}\u{10B8A}\u{10B8B}\u{10B8D}\u{10B90}\u{10BAD}\u{10BAE}\u{10D00}-\u{10D21}\u{10D23}\u{10F30}-\u{10F32}\u{10F34}-\u{10F44}\u{10F51}-\u{10F53}\u{1E900}-\u{1E943}][\xAD\u0300-\u036F\u0483-\u0489\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u0610-\u061A\u061C\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7\u06E8\u06EA-\u06ED\u070F\u0711\u0730-\u074A\u07A6-\u07B0\u07EB-\u07F3\u07FD\u0816-\u0819\u081B-\u0823\u0825-\u0827\u0829-\u082D\u0859-\u085B\u08D3-\u08E1\u08E3-\u0902\u093A\u093C\u0941-\u0948\u094D\u0951-\u0957\u0962\u0963\u0981\u09BC\u09C1-\u09C4\u09CD\u09E2\u09E3\u09FE\u0A01\u0A02\u0A3C\u0A41\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A70\u0A71\u0A75\u0A81\u0A82\u0ABC\u0AC1-\u0AC5\u0AC7\u0AC8\u0ACD\u0AE2\u0AE3\u0AFA-\u0AFF\u0B01\u0B3C\u0B3F\u0B41-\u0B44\u0B4D\u0B56\u0B62\u0B63\u0B82\u0BC0\u0BCD\u0C00\u0C04\u0C3E-\u0C40\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C62\u0C63\u0C81\u0CBC\u0CBF\u0CC6\u0CCC\u0CCD\u0CE2\u0CE3\u0D00\u0D01\u0D3B\u0D3C\u0D41-\u0D44\u0D4D\u0D62\u0D63\u0DCA\u0DD2-\u0DD4\u0DD6\u0E31\u0E34-\u0E3A\u0E47-\u0E4E\u0EB1\u0EB4-\u0EBC\u0EC8-\u0ECD\u0F18\u0F19\u0F35\u0F37\u0F39\u0F71-\u0F7E\u0F80-\u0F84\u0F86\u0F87\u0F8D-\u0F97\u0F99-\u0FBC\u0FC6\u102D-\u1030\u1032-\u1037\u1039\u103A\u103D\u103E\u1058\u1059\u105E-\u1060\u1071-\u1074\u1082\u1085\u1086\u108D\u109D\u135D-\u135F\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17B4\u17B5\u17B7-\u17BD\u17C6\u17C9-\u17D3\u17DD\u180B-\u180D\u1885\u1886\u18A9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193B\u1A17\u1A18\u1A1B\u1A56\u1A58-\u1A5E\u1A60\u1A62\u1A65-\u1A6C\u1A73-\u1A7C\u1A7F\u1AB0-\u1ABE\u1B00-\u1B03\u1B34\u1B36-\u1B3A\u1B3C\u1B42\u1B6B-\u1B73\u1B80\u1B81\u1BA2-\u1BA5\u1BA8\u1BA9\u1BAB-\u1BAD\u1BE6\u1BE8\u1BE9\u1BED\u1BEF-\u1BF1\u1C2C-\u1C33\u1C36\u1C37\u1CD0-\u1CD2\u1CD4-\u1CE0\u1CE2-\u1CE8\u1CED\u1CF4\u1CF8\u1CF9\u1DC0-\u1DF9\u1DFB-\u1DFF\u200B\u200E\u200F\u202A-\u202E\u2060-\u2064\u206A-\u206F\u20D0-\u20F0\u2CEF-\u2CF1\u2D7F\u2DE0-\u2DFF\u302A-\u302D\u3099\u309A\uA66F-\uA672\uA674-\uA67D\uA69E\uA69F\uA6F0\uA6F1\uA802\uA806\uA80B\uA825\uA826\uA8C4\uA8C5\uA8E0-\uA8F1\uA8FF\uA926-\uA92D\uA947-\uA951\uA980-\uA982\uA9B3\uA9B6-\uA9B9\uA9BC\uA9BD\uA9E5\uAA29-\uAA2E\uAA31\uAA32\uAA35\uAA36\uAA43\uAA4C\uAA7C\uAAB0\uAAB2-\uAAB4\uAAB7\uAAB8\uAABE\uAABF\uAAC1\uAAEC\uAAED\uAAF6\uABE5\uABE8\uABED\uFB1E\uFE00-\uFE0F\uFE20-\uFE2F\uFEFF\uFFF9-\uFFFB\u{101FD}\u{102E0}\u{10376}-\u{1037A}\u{10A01}-\u{10A03}\u{10A05}\u{10A06}\u{10A0C}-\u{10A0F}\u{10A38}-\u{10A3A}\u{10A3F}\u{10AE5}\u{10AE6}\u{10D24}-\u{10D27}\u{10F46}-\u{10F50}\u{11001}\u{11038}-\u{11046}\u{1107F}-\u{11081}\u{110B3}-\u{110B6}\u{110B9}\u{110BA}\u{11100}-\u{11102}\u{11127}-\u{1112B}\u{1112D}-\u{11134}\u{11173}\u{11180}\u{11181}\u{111B6}-\u{111BE}\u{111C9}-\u{111CC}\u{1122F}-\u{11231}\u{11234}\u{11236}\u{11237}\u{1123E}\u{112DF}\u{112E3}-\u{112EA}\u{11300}\u{11301}\u{1133B}\u{1133C}\u{11340}\u{11366}-\u{1136C}\u{11370}-\u{11374}\u{11438}-\u{1143F}\u{11442}-\u{11444}\u{11446}\u{1145E}\u{114B3}-\u{114B8}\u{114BA}\u{114BF}\u{114C0}\u{114C2}\u{114C3}\u{115B2}-\u{115B5}\u{115BC}\u{115BD}\u{115BF}\u{115C0}\u{115DC}\u{115DD}\u{11633}-\u{1163A}\u{1163D}\u{1163F}\u{11640}\u{116AB}\u{116AD}\u{116B0}-\u{116B5}\u{116B7}\u{1171D}-\u{1171F}\u{11722}-\u{11725}\u{11727}-\u{1172B}\u{1182F}-\u{11837}\u{11839}\u{1183A}\u{119D4}-\u{119D7}\u{119DA}\u{119DB}\u{119E0}\u{11A01}-\u{11A0A}\u{11A33}-\u{11A38}\u{11A3B}-\u{11A3E}\u{11A47}\u{11A51}-\u{11A56}\u{11A59}-\u{11A5B}\u{11A8A}-\u{11A96}\u{11A98}\u{11A99}\u{11C30}-\u{11C36}\u{11C38}-\u{11C3D}\u{11C3F}\u{11C92}-\u{11CA7}\u{11CAA}-\u{11CB0}\u{11CB2}\u{11CB3}\u{11CB5}\u{11CB6}\u{11D31}-\u{11D36}\u{11D3A}\u{11D3C}\u{11D3D}\u{11D3F}-\u{11D45}\u{11D47}\u{11D90}\u{11D91}\u{11D95}\u{11D97}\u{11EF3}\u{11EF4}\u{13430}-\u{13438}\u{16AF0}-\u{16AF4}\u{16B30}-\u{16B36}\u{16F4F}\u{16F8F}-\u{16F92}\u{1BC9D}\u{1BC9E}\u{1BCA0}-\u{1BCA3}\u{1D167}-\u{1D169}\u{1D173}-\u{1D182}\u{1D185}-\u{1D18B}\u{1D1AA}-\u{1D1AD}\u{1D242}-\u{1D244}\u{1DA00}-\u{1DA36}\u{1DA3B}-\u{1DA6C}\u{1DA75}\u{1DA84}\u{1DA9B}-\u{1DA9F}\u{1DAA1}-\u{1DAAF}\u{1E000}-\u{1E006}\u{1E008}-\u{1E018}\u{1E01B}-\u{1E021}\u{1E023}\u{1E024}\u{1E026}-\u{1E02A}\u{1E130}-\u{1E136}\u{1E2EC}-\u{1E2EF}\u{1E8D0}-\u{1E8D6}\u{1E944}-\u{1E94B}\u{E0001}\u{E0020}-\u{E007F}\u{E0100}-\u{E01EF}]*\u200C[\xAD\u0300-\u036F\u0483-\u0489\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u0610-\u061A\u061C\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7\u06E8\u06EA-\u06ED\u070F\u0711\u0730-\u074A\u07A6-\u07B0\u07EB-\u07F3\u07FD\u0816-\u0819\u081B-\u0823\u0825-\u0827\u0829-\u082D\u0859-\u085B\u08D3-\u08E1\u08E3-\u0902\u093A\u093C\u0941-\u0948\u094D\u0951-\u0957\u0962\u0963\u0981\u09BC\u09C1-\u09C4\u09CD\u09E2\u09E3\u09FE\u0A01\u0A02\u0A3C\u0A41\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A70\u0A71\u0A75\u0A81\u0A82\u0ABC\u0AC1-\u0AC5\u0AC7\u0AC8\u0ACD\u0AE2\u0AE3\u0AFA-\u0AFF\u0B01\u0B3C\u0B3F\u0B41-\u0B44\u0B4D\u0B56\u0B62\u0B63\u0B82\u0BC0\u0BCD\u0C00\u0C04\u0C3E-\u0C40\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C62\u0C63\u0C81\u0CBC\u0CBF\u0CC6\u0CCC\u0CCD\u0CE2\u0CE3\u0D00\u0D01\u0D3B\u0D3C\u0D41-\u0D44\u0D4D\u0D62\u0D63\u0DCA\u0DD2-\u0DD4\u0DD6\u0E31\u0E34-\u0E3A\u0E47-\u0E4E\u0EB1\u0EB4-\u0EBC\u0EC8-\u0ECD\u0F18\u0F19\u0F35\u0F37\u0F39\u0F71-\u0F7E\u0F80-\u0F84\u0F86\u0F87\u0F8D-\u0F97\u0F99-\u0FBC\u0FC6\u102D-\u1030\u1032-\u1037\u1039\u103A\u103D\u103E\u1058\u1059\u105E-\u1060\u1071-\u1074\u1082\u1085\u1086\u108D\u109D\u135D-\u135F\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17B4\u17B5\u17B7-\u17BD\u17C6\u17C9-\u17D3\u17DD\u180B-\u180D\u1885\u1886\u18A9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193B\u1A17\u1A18\u1A1B\u1A56\u1A58-\u1A5E\u1A60\u1A62\u1A65-\u1A6C\u1A73-\u1A7C\u1A7F\u1AB0-\u1ABE\u1B00-\u1B03\u1B34\u1B36-\u1B3A\u1B3C\u1B42\u1B6B-\u1B73\u1B80\u1B81\u1BA2-\u1BA5\u1BA8\u1BA9\u1BAB-\u1BAD\u1BE6\u1BE8\u1BE9\u1BED\u1BEF-\u1BF1\u1C2C-\u1C33\u1C36\u1C37\u1CD0-\u1CD2\u1CD4-\u1CE0\u1CE2-\u1CE8\u1CED\u1CF4\u1CF8\u1CF9\u1DC0-\u1DF9\u1DFB-\u1DFF\u200B\u200E\u200F\u202A-\u202E\u2060-\u2064\u206A-\u206F\u20D0-\u20F0\u2CEF-\u2CF1\u2D7F\u2DE0-\u2DFF\u302A-\u302D\u3099\u309A\uA66F-\uA672\uA674-\uA67D\uA69E\uA69F\uA6F0\uA6F1\uA802\uA806\uA80B\uA825\uA826\uA8C4\uA8C5\uA8E0-\uA8F1\uA8FF\uA926-\uA92D\uA947-\uA951\uA980-\uA982\uA9B3\uA9B6-\uA9B9\uA9BC\uA9BD\uA9E5\uAA29-\uAA2E\uAA31\uAA32\uAA35\uAA36\uAA43\uAA4C\uAA7C\uAAB0\uAAB2-\uAAB4\uAAB7\uAAB8\uAABE\uAABF\uAAC1\uAAEC\uAAED\uAAF6\uABE5\uABE8\uABED\uFB1E\uFE00-\uFE0F\uFE20-\uFE2F\uFEFF\uFFF9-\uFFFB\u{101FD}\u{102E0}\u{10376}-\u{1037A}\u{10A01}-\u{10A03}\u{10A05}\u{10A06}\u{10A0C}-\u{10A0F}\u{10A38}-\u{10A3A}\u{10A3F}\u{10AE5}\u{10AE6}\u{10D24}-\u{10D27}\u{10F46}-\u{10F50}\u{11001}\u{11038}-\u{11046}\u{1107F}-\u{11081}\u{110B3}-\u{110B6}\u{110B9}\u{110BA}\u{11100}-\u{11102}\u{11127}-\u{1112B}\u{1112D}-\u{11134}\u{11173}\u{11180}\u{11181}\u{111B6}-\u{111BE}\u{111C9}-\u{111CC}\u{1122F}-\u{11231}\u{11234}\u{11236}\u{11237}\u{1123E}\u{112DF}\u{112E3}-\u{112EA}\u{11300}\u{11301}\u{1133B}\u{1133C}\u{11340}\u{11366}-\u{1136C}\u{11370}-\u{11374}\u{11438}-\u{1143F}\u{11442}-\u{11444}\u{11446}\u{1145E}\u{114B3}-\u{114B8}\u{114BA}\u{114BF}\u{114C0}\u{114C2}\u{114C3}\u{115B2}-\u{115B5}\u{115BC}\u{115BD}\u{115BF}\u{115C0}\u{115DC}\u{115DD}\u{11633}-\u{1163A}\u{1163D}\u{1163F}\u{11640}\u{116AB}\u{116AD}\u{116B0}-\u{116B5}\u{116B7}\u{1171D}-\u{1171F}\u{11722}-\u{11725}\u{11727}-\u{1172B}\u{1182F}-\u{11837}\u{11839}\u{1183A}\u{119D4}-\u{119D7}\u{119DA}\u{119DB}\u{119E0}\u{11A01}-\u{11A0A}\u{11A33}-\u{11A38}\u{11A3B}-\u{11A3E}\u{11A47}\u{11A51}-\u{11A56}\u{11A59}-\u{11A5B}\u{11A8A}-\u{11A96}\u{11A98}\u{11A99}\u{11C30}-\u{11C36}\u{11C38}-\u{11C3D}\u{11C3F}\u{11C92}-\u{11CA7}\u{11CAA}-\u{11CB0}\u{11CB2}\u{11CB3}\u{11CB5}\u{11CB6}\u{11D31}-\u{11D36}\u{11D3A}\u{11D3C}\u{11D3D}\u{11D3F}-\u{11D45}\u{11D47}\u{11D90}\u{11D91}\u{11D95}\u{11D97}\u{11EF3}\u{11EF4}\u{13430}-\u{13438}\u{16AF0}-\u{16AF4}\u{16B30}-\u{16B36}\u{16F4F}\u{16F8F}-\u{16F92}\u{1BC9D}\u{1BC9E}\u{1BCA0}-\u{1BCA3}\u{1D167}-\u{1D169}\u{1D173}-\u{1D182}\u{1D185}-\u{1D18B}\u{1D1AA}-\u{1D1AD}\u{1D242}-\u{1D244}\u{1DA00}-\u{1DA36}\u{1DA3B}-\u{1DA6C}\u{1DA75}\u{1DA84}\u{1DA9B}-\u{1DA9F}\u{1DAA1}-\u{1DAAF}\u{1E000}-\u{1E006}\u{1E008}-\u{1E018}\u{1E01B}-\u{1E021}\u{1E023}\u{1E024}\u{1E026}-\u{1E02A}\u{1E130}-\u{1E136}\u{1E2EC}-\u{1E2EF}\u{1E8D0}-\u{1E8D6}\u{1E944}-\u{1E94B}\u{E0001}\u{E0020}-\u{E007F}\u{E0100}-\u{E01EF}]*[\u0620\u0622-\u063F\u0641-\u064A\u066E\u066F\u0671-\u0673\u0675-\u06D3\u06D5\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u077F\u07CA-\u07EA\u0840-\u0855\u0860\u0862-\u0865\u0867-\u086A\u08A0-\u08AC\u08AE-\u08B4\u08B6-\u08BD\u1807\u1820-\u1878\u1887-\u18A8\u18AA\uA840-\uA871\u{10AC0}-\u{10AC5}\u{10AC7}\u{10AC9}\u{10ACA}\u{10ACE}-\u{10AD6}\u{10AD8}-\u{10AE1}\u{10AE4}\u{10AEB}-\u{10AEF}\u{10B80}-\u{10B91}\u{10BA9}-\u{10BAE}\u{10D01}-\u{10D23}\u{10F30}-\u{10F44}\u{10F51}-\u{10F54}\u{1E900}-\u{1E943}]/u;
+const bidiDomain = /[\u05BE\u05C0\u05C3\u05C6\u05D0-\u05EA\u05EF-\u05F4\u0600-\u0605\u0608\u060B\u060D\u061B-\u064A\u0660-\u0669\u066B-\u066F\u0671-\u06D5\u06DD\u06E5\u06E6\u06EE\u06EF\u06FA-\u070D\u070F\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07C0-\u07EA\u07F4\u07F5\u07FA\u07FE-\u0815\u081A\u0824\u0828\u0830-\u083E\u0840-\u0858\u085E\u0860-\u086A\u0870-\u088E\u0890\u0891\u08A0-\u08C9\u08E2\u200F\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBC2\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFC\uFE70-\uFE74\uFE76-\uFEFC\u{10800}-\u{10805}\u{10808}\u{1080A}-\u{10835}\u{10837}\u{10838}\u{1083C}\u{1083F}-\u{10855}\u{10857}-\u{1089E}\u{108A7}-\u{108AF}\u{108E0}-\u{108F2}\u{108F4}\u{108F5}\u{108FB}-\u{1091B}\u{10920}-\u{10939}\u{1093F}\u{10980}-\u{109B7}\u{109BC}-\u{109CF}\u{109D2}-\u{10A00}\u{10A10}-\u{10A13}\u{10A15}-\u{10A17}\u{10A19}-\u{10A35}\u{10A40}-\u{10A48}\u{10A50}-\u{10A58}\u{10A60}-\u{10A9F}\u{10AC0}-\u{10AE4}\u{10AEB}-\u{10AF6}\u{10B00}-\u{10B35}\u{10B40}-\u{10B55}\u{10B58}-\u{10B72}\u{10B78}-\u{10B91}\u{10B99}-\u{10B9C}\u{10BA9}-\u{10BAF}\u{10C00}-\u{10C48}\u{10C80}-\u{10CB2}\u{10CC0}-\u{10CF2}\u{10CFA}-\u{10D23}\u{10D30}-\u{10D39}\u{10E60}-\u{10E7E}\u{10E80}-\u{10EA9}\u{10EAD}\u{10EB0}\u{10EB1}\u{10F00}-\u{10F27}\u{10F30}-\u{10F45}\u{10F51}-\u{10F59}\u{10F70}-\u{10F81}\u{10F86}-\u{10F89}\u{10FB0}-\u{10FCB}\u{10FE0}-\u{10FF6}\u{1E800}-\u{1E8C4}\u{1E8C7}-\u{1E8CF}\u{1E900}-\u{1E943}\u{1E94B}\u{1E950}-\u{1E959}\u{1E95E}\u{1E95F}\u{1EC71}-\u{1ECB4}\u{1ED01}-\u{1ED3D}\u{1EE00}-\u{1EE03}\u{1EE05}-\u{1EE1F}\u{1EE21}\u{1EE22}\u{1EE24}\u{1EE27}\u{1EE29}-\u{1EE32}\u{1EE34}-\u{1EE37}\u{1EE39}\u{1EE3B}\u{1EE42}\u{1EE47}\u{1EE49}\u{1EE4B}\u{1EE4D}-\u{1EE4F}\u{1EE51}\u{1EE52}\u{1EE54}\u{1EE57}\u{1EE59}\u{1EE5B}\u{1EE5D}\u{1EE5F}\u{1EE61}\u{1EE62}\u{1EE64}\u{1EE67}-\u{1EE6A}\u{1EE6C}-\u{1EE72}\u{1EE74}-\u{1EE77}\u{1EE79}-\u{1EE7C}\u{1EE7E}\u{1EE80}-\u{1EE89}\u{1EE8B}-\u{1EE9B}\u{1EEA1}-\u{1EEA3}\u{1EEA5}-\u{1EEA9}\u{1EEAB}-\u{1EEBB}]/u;
+const bidiS1LTR = /[A-Za-z\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02B8\u02BB-\u02C1\u02D0\u02D1\u02E0-\u02E4\u02EE\u0370-\u0373\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0482\u048A-\u052F\u0531-\u0556\u0559-\u0589\u0903-\u0939\u093B\u093D-\u0940\u0949-\u094C\u094E-\u0950\u0958-\u0961\u0964-\u0980\u0982\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD-\u09C0\u09C7\u09C8\u09CB\u09CC\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E1\u09E6-\u09F1\u09F4-\u09FA\u09FC\u09FD\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3E-\u0A40\u0A59-\u0A5C\u0A5E\u0A66-\u0A6F\u0A72-\u0A74\u0A76\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD-\u0AC0\u0AC9\u0ACB\u0ACC\u0AD0\u0AE0\u0AE1\u0AE6-\u0AF0\u0AF9\u0B02\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B3E\u0B40\u0B47\u0B48\u0B4B\u0B4C\u0B57\u0B5C\u0B5D\u0B5F-\u0B61\u0B66-\u0B77\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE\u0BBF\u0BC1\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCC\u0BD0\u0BD7\u0BE6-\u0BF2\u0C01-\u0C03\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C41-\u0C44\u0C58-\u0C5A\u0C5D\u0C60\u0C61\u0C66-\u0C6F\u0C77\u0C7F\u0C80\u0C82-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD-\u0CC4\u0CC6-\u0CC8\u0CCA\u0CCB\u0CD5\u0CD6\u0CDD\u0CDE\u0CE0\u0CE1\u0CE6-\u0CEF\u0CF1\u0CF2\u0D02-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D-\u0D40\u0D46-\u0D48\u0D4A-\u0D4C\u0D4E\u0D4F\u0D54-\u0D61\u0D66-\u0D7F\u0D82\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCF-\u0DD1\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2-\u0DF4\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E4F-\u0E5B\u0E81\u0E82\u0E84\u0E86-\u0E8A\u0E8C-\u0EA3\u0EA5\u0EA7-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00-\u0F17\u0F1A-\u0F34\u0F36\u0F38\u0F3E-\u0F47\u0F49-\u0F6C\u0F7F\u0F85\u0F88-\u0F8C\u0FBE-\u0FC5\u0FC7-\u0FCC\u0FCE-\u0FDA\u1000-\u102C\u1031\u1038\u103B\u103C\u103F-\u1057\u105A-\u105D\u1061-\u1070\u1075-\u1081\u1083\u1084\u1087-\u108C\u108E-\u109C\u109E-\u10C5\u10C7\u10CD\u10D0-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1360-\u137C\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u167F\u1681-\u169A\u16A0-\u16F8\u1700-\u1711\u1715\u171F-\u1731\u1734-\u1736\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17B6\u17BE-\u17C5\u17C7\u17C8\u17D4-\u17DA\u17DC\u17E0-\u17E9\u1810-\u1819\u1820-\u1878\u1880-\u1884\u1887-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1923-\u1926\u1929-\u192B\u1930\u1931\u1933-\u1938\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19DA\u1A00-\u1A16\u1A19\u1A1A\u1A1E-\u1A55\u1A57\u1A61\u1A63\u1A64\u1A6D-\u1A72\u1A80-\u1A89\u1A90-\u1A99\u1AA0-\u1AAD\u1B04-\u1B33\u1B35\u1B3B\u1B3D-\u1B41\u1B43-\u1B4C\u1B50-\u1B6A\u1B74-\u1B7E\u1B82-\u1BA1\u1BA6\u1BA7\u1BAA\u1BAE-\u1BE5\u1BE7\u1BEA-\u1BEC\u1BEE\u1BF2\u1BF3\u1BFC-\u1C2B\u1C34\u1C35\u1C3B-\u1C49\u1C4D-\u1C88\u1C90-\u1CBA\u1CBD-\u1CC7\u1CD3\u1CE1\u1CE9-\u1CEC\u1CEE-\u1CF3\u1CF5-\u1CF7\u1CFA\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u200E\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u214F\u2160-\u2188\u2336-\u237A\u2395\u249C-\u24E9\u26AC\u2800-\u28FF\u2C00-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D70\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u3005-\u3007\u3021-\u3029\u302E\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312F\u3131-\u318E\u3190-\u31BF\u31F0-\u321C\u3220-\u324F\u3260-\u327B\u327F-\u32B0\u32C0-\u32CB\u32D0-\u3376\u337B-\u33DD\u33E0-\u33FE\u3400-\u4DBF\u4E00-\uA48C\uA4D0-\uA60C\uA610-\uA62B\uA640-\uA66E\uA680-\uA69D\uA6A0-\uA6EF\uA6F2-\uA6F7\uA722-\uA787\uA789-\uA7CA\uA7D0\uA7D1\uA7D3\uA7D5-\uA7D9\uA7F2-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA824\uA827\uA830-\uA837\uA840-\uA873\uA880-\uA8C3\uA8CE-\uA8D9\uA8F2-\uA8FE\uA900-\uA925\uA92E-\uA946\uA952\uA953\uA95F-\uA97C\uA983-\uA9B2\uA9B4\uA9B5\uA9BA\uA9BB\uA9BE-\uA9CD\uA9CF-\uA9D9\uA9DE-\uA9E4\uA9E6-\uA9FE\uAA00-\uAA28\uAA2F\uAA30\uAA33\uAA34\uAA40-\uAA42\uAA44-\uAA4B\uAA4D\uAA50-\uAA59\uAA5C-\uAA7B\uAA7D-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAAEB\uAAEE-\uAAF5\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB69\uAB70-\uABE4\uABE6\uABE7\uABE9-\uABEC\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uD800-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC\u{10000}-\u{1000B}\u{1000D}-\u{10026}\u{10028}-\u{1003A}\u{1003C}\u{1003D}\u{1003F}-\u{1004D}\u{10050}-\u{1005D}\u{10080}-\u{100FA}\u{10100}\u{10102}\u{10107}-\u{10133}\u{10137}-\u{1013F}\u{1018D}\u{1018E}\u{101D0}-\u{101FC}\u{10280}-\u{1029C}\u{102A0}-\u{102D0}\u{10300}-\u{10323}\u{1032D}-\u{1034A}\u{10350}-\u{10375}\u{10380}-\u{1039D}\u{1039F}-\u{103C3}\u{103C8}-\u{103D5}\u{10400}-\u{1049D}\u{104A0}-\u{104A9}\u{104B0}-\u{104D3}\u{104D8}-\u{104FB}\u{10500}-\u{10527}\u{10530}-\u{10563}\u{1056F}-\u{1057A}\u{1057C}-\u{1058A}\u{1058C}-\u{10592}\u{10594}\u{10595}\u{10597}-\u{105A1}\u{105A3}-\u{105B1}\u{105B3}-\u{105B9}\u{105BB}\u{105BC}\u{10600}-\u{10736}\u{10740}-\u{10755}\u{10760}-\u{10767}\u{10780}-\u{10785}\u{10787}-\u{107B0}\u{107B2}-\u{107BA}\u{11000}\u{11002}-\u{11037}\u{11047}-\u{1104D}\u{11066}-\u{1106F}\u{11071}\u{11072}\u{11075}\u{11082}-\u{110B2}\u{110B7}\u{110B8}\u{110BB}-\u{110C1}\u{110CD}\u{110D0}-\u{110E8}\u{110F0}-\u{110F9}\u{11103}-\u{11126}\u{1112C}\u{11136}-\u{11147}\u{11150}-\u{11172}\u{11174}-\u{11176}\u{11182}-\u{111B5}\u{111BF}-\u{111C8}\u{111CD}\u{111CE}\u{111D0}-\u{111DF}\u{111E1}-\u{111F4}\u{11200}-\u{11211}\u{11213}-\u{1122E}\u{11232}\u{11233}\u{11235}\u{11238}-\u{1123D}\u{11280}-\u{11286}\u{11288}\u{1128A}-\u{1128D}\u{1128F}-\u{1129D}\u{1129F}-\u{112A9}\u{112B0}-\u{112DE}\u{112E0}-\u{112E2}\u{112F0}-\u{112F9}\u{11302}\u{11303}\u{11305}-\u{1130C}\u{1130F}\u{11310}\u{11313}-\u{11328}\u{1132A}-\u{11330}\u{11332}\u{11333}\u{11335}-\u{11339}\u{1133D}-\u{1133F}\u{11341}-\u{11344}\u{11347}\u{11348}\u{1134B}-\u{1134D}\u{11350}\u{11357}\u{1135D}-\u{11363}\u{11400}-\u{11437}\u{11440}\u{11441}\u{11445}\u{11447}-\u{1145B}\u{1145D}\u{1145F}-\u{11461}\u{11480}-\u{114B2}\u{114B9}\u{114BB}-\u{114BE}\u{114C1}\u{114C4}-\u{114C7}\u{114D0}-\u{114D9}\u{11580}-\u{115B1}\u{115B8}-\u{115BB}\u{115BE}\u{115C1}-\u{115DB}\u{11600}-\u{11632}\u{1163B}\u{1163C}\u{1163E}\u{11641}-\u{11644}\u{11650}-\u{11659}\u{11680}-\u{116AA}\u{116AC}\u{116AE}\u{116AF}\u{116B6}\u{116B8}\u{116B9}\u{116C0}-\u{116C9}\u{11700}-\u{1171A}\u{11720}\u{11721}\u{11726}\u{11730}-\u{11746}\u{11800}-\u{1182E}\u{11838}\u{1183B}\u{118A0}-\u{118F2}\u{118FF}-\u{11906}\u{11909}\u{1190C}-\u{11913}\u{11915}\u{11916}\u{11918}-\u{11935}\u{11937}\u{11938}\u{1193D}\u{1193F}-\u{11942}\u{11944}-\u{11946}\u{11950}-\u{11959}\u{119A0}-\u{119A7}\u{119AA}-\u{119D3}\u{119DC}-\u{119DF}\u{119E1}-\u{119E4}\u{11A00}\u{11A07}\u{11A08}\u{11A0B}-\u{11A32}\u{11A39}\u{11A3A}\u{11A3F}-\u{11A46}\u{11A50}\u{11A57}\u{11A58}\u{11A5C}-\u{11A89}\u{11A97}\u{11A9A}-\u{11AA2}\u{11AB0}-\u{11AF8}\u{11C00}-\u{11C08}\u{11C0A}-\u{11C2F}\u{11C3E}-\u{11C45}\u{11C50}-\u{11C6C}\u{11C70}-\u{11C8F}\u{11CA9}\u{11CB1}\u{11CB4}\u{11D00}-\u{11D06}\u{11D08}\u{11D09}\u{11D0B}-\u{11D30}\u{11D46}\u{11D50}-\u{11D59}\u{11D60}-\u{11D65}\u{11D67}\u{11D68}\u{11D6A}-\u{11D8E}\u{11D93}\u{11D94}\u{11D96}\u{11D98}\u{11DA0}-\u{11DA9}\u{11EE0}-\u{11EF2}\u{11EF5}-\u{11EF8}\u{11FB0}\u{11FC0}-\u{11FD4}\u{11FFF}-\u{12399}\u{12400}-\u{1246E}\u{12470}-\u{12474}\u{12480}-\u{12543}\u{12F90}-\u{12FF2}\u{13000}-\u{1342E}\u{13430}-\u{13438}\u{14400}-\u{14646}\u{16800}-\u{16A38}\u{16A40}-\u{16A5E}\u{16A60}-\u{16A69}\u{16A6E}-\u{16ABE}\u{16AC0}-\u{16AC9}\u{16AD0}-\u{16AED}\u{16AF5}\u{16B00}-\u{16B2F}\u{16B37}-\u{16B45}\u{16B50}-\u{16B59}\u{16B5B}-\u{16B61}\u{16B63}-\u{16B77}\u{16B7D}-\u{16B8F}\u{16E40}-\u{16E9A}\u{16F00}-\u{16F4A}\u{16F50}-\u{16F87}\u{16F93}-\u{16F9F}\u{16FE0}\u{16FE1}\u{16FE3}\u{16FF0}\u{16FF1}\u{17000}-\u{187F7}\u{18800}-\u{18CD5}\u{18D00}-\u{18D08}\u{1AFF0}-\u{1AFF3}\u{1AFF5}-\u{1AFFB}\u{1AFFD}\u{1AFFE}\u{1B000}-\u{1B122}\u{1B150}-\u{1B152}\u{1B164}-\u{1B167}\u{1B170}-\u{1B2FB}\u{1BC00}-\u{1BC6A}\u{1BC70}-\u{1BC7C}\u{1BC80}-\u{1BC88}\u{1BC90}-\u{1BC99}\u{1BC9C}\u{1BC9F}\u{1CF50}-\u{1CFC3}\u{1D000}-\u{1D0F5}\u{1D100}-\u{1D126}\u{1D129}-\u{1D166}\u{1D16A}-\u{1D172}\u{1D183}\u{1D184}\u{1D18C}-\u{1D1A9}\u{1D1AE}-\u{1D1E8}\u{1D2E0}-\u{1D2F3}\u{1D360}-\u{1D378}\u{1D400}-\u{1D454}\u{1D456}-\u{1D49C}\u{1D49E}\u{1D49F}\u{1D4A2}\u{1D4A5}\u{1D4A6}\u{1D4A9}-\u{1D4AC}\u{1D4AE}-\u{1D4B9}\u{1D4BB}\u{1D4BD}-\u{1D4C3}\u{1D4C5}-\u{1D505}\u{1D507}-\u{1D50A}\u{1D50D}-\u{1D514}\u{1D516}-\u{1D51C}\u{1D51E}-\u{1D539}\u{1D53B}-\u{1D53E}\u{1D540}-\u{1D544}\u{1D546}\u{1D54A}-\u{1D550}\u{1D552}-\u{1D6A5}\u{1D6A8}-\u{1D6DA}\u{1D6DC}-\u{1D714}\u{1D716}-\u{1D74E}\u{1D750}-\u{1D788}\u{1D78A}-\u{1D7C2}\u{1D7C4}-\u{1D7CB}\u{1D800}-\u{1D9FF}\u{1DA37}-\u{1DA3A}\u{1DA6D}-\u{1DA74}\u{1DA76}-\u{1DA83}\u{1DA85}-\u{1DA8B}\u{1DF00}-\u{1DF1E}\u{1E100}-\u{1E12C}\u{1E137}-\u{1E13D}\u{1E140}-\u{1E149}\u{1E14E}\u{1E14F}\u{1E290}-\u{1E2AD}\u{1E2C0}-\u{1E2EB}\u{1E2F0}-\u{1E2F9}\u{1E7E0}-\u{1E7E6}\u{1E7E8}-\u{1E7EB}\u{1E7ED}\u{1E7EE}\u{1E7F0}-\u{1E7FE}\u{1F110}-\u{1F12E}\u{1F130}-\u{1F169}\u{1F170}-\u{1F1AC}\u{1F1E6}-\u{1F202}\u{1F210}-\u{1F23B}\u{1F240}-\u{1F248}\u{1F250}\u{1F251}\u{20000}-\u{2A6DF}\u{2A700}-\u{2B738}\u{2B740}-\u{2B81D}\u{2B820}-\u{2CEA1}\u{2CEB0}-\u{2EBE0}\u{2F800}-\u{2FA1D}\u{30000}-\u{3134A}\u{F0000}-\u{FFFFD}\u{100000}-\u{10FFFD}]/u;
+const bidiS1RTL = /[\u05BE\u05C0\u05C3\u05C6\u05D0-\u05EA\u05EF-\u05F4\u0608\u060B\u060D\u061B-\u064A\u066D-\u066F\u0671-\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u070D\u070F\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07C0-\u07EA\u07F4\u07F5\u07FA\u07FE-\u0815\u081A\u0824\u0828\u0830-\u083E\u0840-\u0858\u085E\u0860-\u086A\u0870-\u088E\u08A0-\u08C9\u200F\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBC2\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFC\uFE70-\uFE74\uFE76-\uFEFC\u{10800}-\u{10805}\u{10808}\u{1080A}-\u{10835}\u{10837}\u{10838}\u{1083C}\u{1083F}-\u{10855}\u{10857}-\u{1089E}\u{108A7}-\u{108AF}\u{108E0}-\u{108F2}\u{108F4}\u{108F5}\u{108FB}-\u{1091B}\u{10920}-\u{10939}\u{1093F}\u{10980}-\u{109B7}\u{109BC}-\u{109CF}\u{109D2}-\u{10A00}\u{10A10}-\u{10A13}\u{10A15}-\u{10A17}\u{10A19}-\u{10A35}\u{10A40}-\u{10A48}\u{10A50}-\u{10A58}\u{10A60}-\u{10A9F}\u{10AC0}-\u{10AE4}\u{10AEB}-\u{10AF6}\u{10B00}-\u{10B35}\u{10B40}-\u{10B55}\u{10B58}-\u{10B72}\u{10B78}-\u{10B91}\u{10B99}-\u{10B9C}\u{10BA9}-\u{10BAF}\u{10C00}-\u{10C48}\u{10C80}-\u{10CB2}\u{10CC0}-\u{10CF2}\u{10CFA}-\u{10D23}\u{10E80}-\u{10EA9}\u{10EAD}\u{10EB0}\u{10EB1}\u{10F00}-\u{10F27}\u{10F30}-\u{10F45}\u{10F51}-\u{10F59}\u{10F70}-\u{10F81}\u{10F86}-\u{10F89}\u{10FB0}-\u{10FCB}\u{10FE0}-\u{10FF6}\u{1E800}-\u{1E8C4}\u{1E8C7}-\u{1E8CF}\u{1E900}-\u{1E943}\u{1E94B}\u{1E950}-\u{1E959}\u{1E95E}\u{1E95F}\u{1EC71}-\u{1ECB4}\u{1ED01}-\u{1ED3D}\u{1EE00}-\u{1EE03}\u{1EE05}-\u{1EE1F}\u{1EE21}\u{1EE22}\u{1EE24}\u{1EE27}\u{1EE29}-\u{1EE32}\u{1EE34}-\u{1EE37}\u{1EE39}\u{1EE3B}\u{1EE42}\u{1EE47}\u{1EE49}\u{1EE4B}\u{1EE4D}-\u{1EE4F}\u{1EE51}\u{1EE52}\u{1EE54}\u{1EE57}\u{1EE59}\u{1EE5B}\u{1EE5D}\u{1EE5F}\u{1EE61}\u{1EE62}\u{1EE64}\u{1EE67}-\u{1EE6A}\u{1EE6C}-\u{1EE72}\u{1EE74}-\u{1EE77}\u{1EE79}-\u{1EE7C}\u{1EE7E}\u{1EE80}-\u{1EE89}\u{1EE8B}-\u{1EE9B}\u{1EEA1}-\u{1EEA3}\u{1EEA5}-\u{1EEA9}\u{1EEAB}-\u{1EEBB}]/u;
+const bidiS2 = /^[\0-\x08\x0E-\x1B!-@\[-`\{-\x84\x86-\xA9\xAB-\xB4\xB6-\xB9\xBB-\xBF\xD7\xF7\u02B9\u02BA\u02C2-\u02CF\u02D2-\u02DF\u02E5-\u02ED\u02EF-\u036F\u0374\u0375\u037E\u0384\u0385\u0387\u03F6\u0483-\u0489\u058A\u058D-\u058F\u0591-\u05C7\u05D0-\u05EA\u05EF-\u05F4\u0600-\u070D\u070F-\u074A\u074D-\u07B1\u07C0-\u07FA\u07FD-\u082D\u0830-\u083E\u0840-\u085B\u085E\u0860-\u086A\u0870-\u088E\u0890\u0891\u0898-\u0902\u093A\u093C\u0941-\u0948\u094D\u0951-\u0957\u0962\u0963\u0981\u09BC\u09C1-\u09C4\u09CD\u09E2\u09E3\u09F2\u09F3\u09FB\u09FE\u0A01\u0A02\u0A3C\u0A41\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A70\u0A71\u0A75\u0A81\u0A82\u0ABC\u0AC1-\u0AC5\u0AC7\u0AC8\u0ACD\u0AE2\u0AE3\u0AF1\u0AFA-\u0AFF\u0B01\u0B3C\u0B3F\u0B41-\u0B44\u0B4D\u0B55\u0B56\u0B62\u0B63\u0B82\u0BC0\u0BCD\u0BF3-\u0BFA\u0C00\u0C04\u0C3C\u0C3E-\u0C40\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C62\u0C63\u0C78-\u0C7E\u0C81\u0CBC\u0CCC\u0CCD\u0CE2\u0CE3\u0D00\u0D01\u0D3B\u0D3C\u0D41-\u0D44\u0D4D\u0D62\u0D63\u0D81\u0DCA\u0DD2-\u0DD4\u0DD6\u0E31\u0E34-\u0E3A\u0E3F\u0E47-\u0E4E\u0EB1\u0EB4-\u0EBC\u0EC8-\u0ECD\u0F18\u0F19\u0F35\u0F37\u0F39-\u0F3D\u0F71-\u0F7E\u0F80-\u0F84\u0F86\u0F87\u0F8D-\u0F97\u0F99-\u0FBC\u0FC6\u102D-\u1030\u1032-\u1037\u1039\u103A\u103D\u103E\u1058\u1059\u105E-\u1060\u1071-\u1074\u1082\u1085\u1086\u108D\u109D\u135D-\u135F\u1390-\u1399\u1400\u169B\u169C\u1712-\u1714\u1732\u1733\u1752\u1753\u1772\u1773\u17B4\u17B5\u17B7-\u17BD\u17C6\u17C9-\u17D3\u17DB\u17DD\u17F0-\u17F9\u1800-\u180F\u1885\u1886\u18A9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193B\u1940\u1944\u1945\u19DE-\u19FF\u1A17\u1A18\u1A1B\u1A56\u1A58-\u1A5E\u1A60\u1A62\u1A65-\u1A6C\u1A73-\u1A7C\u1A7F\u1AB0-\u1ACE\u1B00-\u1B03\u1B34\u1B36-\u1B3A\u1B3C\u1B42\u1B6B-\u1B73\u1B80\u1B81\u1BA2-\u1BA5\u1BA8\u1BA9\u1BAB-\u1BAD\u1BE6\u1BE8\u1BE9\u1BED\u1BEF-\u1BF1\u1C2C-\u1C33\u1C36\u1C37\u1CD0-\u1CD2\u1CD4-\u1CE0\u1CE2-\u1CE8\u1CED\u1CF4\u1CF8\u1CF9\u1DC0-\u1DFF\u1FBD\u1FBF-\u1FC1\u1FCD-\u1FCF\u1FDD-\u1FDF\u1FED-\u1FEF\u1FFD\u1FFE\u200B-\u200D\u200F-\u2027\u202F-\u205E\u2060-\u2064\u206A-\u2070\u2074-\u207E\u2080-\u208E\u20A0-\u20C0\u20D0-\u20F0\u2100\u2101\u2103-\u2106\u2108\u2109\u2114\u2116-\u2118\u211E-\u2123\u2125\u2127\u2129\u212E\u213A\u213B\u2140-\u2144\u214A-\u214D\u2150-\u215F\u2189-\u218B\u2190-\u2335\u237B-\u2394\u2396-\u2426\u2440-\u244A\u2460-\u249B\u24EA-\u26AB\u26AD-\u27FF\u2900-\u2B73\u2B76-\u2B95\u2B97-\u2BFF\u2CE5-\u2CEA\u2CEF-\u2CF1\u2CF9-\u2CFF\u2D7F\u2DE0-\u2E5D\u2E80-\u2E99\u2E9B-\u2EF3\u2F00-\u2FD5\u2FF0-\u2FFB\u3001-\u3004\u3008-\u3020\u302A-\u302D\u3030\u3036\u3037\u303D-\u303F\u3099-\u309C\u30A0\u30FB\u31C0-\u31E3\u321D\u321E\u3250-\u325F\u327C-\u327E\u32B1-\u32BF\u32CC-\u32CF\u3377-\u337A\u33DE\u33DF\u33FF\u4DC0-\u4DFF\uA490-\uA4C6\uA60D-\uA60F\uA66F-\uA67F\uA69E\uA69F\uA6F0\uA6F1\uA700-\uA721\uA788\uA802\uA806\uA80B\uA825\uA826\uA828-\uA82C\uA838\uA839\uA874-\uA877\uA8C4\uA8C5\uA8E0-\uA8F1\uA8FF\uA926-\uA92D\uA947-\uA951\uA980-\uA982\uA9B3\uA9B6-\uA9B9\uA9BC\uA9BD\uA9E5\uAA29-\uAA2E\uAA31\uAA32\uAA35\uAA36\uAA43\uAA4C\uAA7C\uAAB0\uAAB2-\uAAB4\uAAB7\uAAB8\uAABE\uAABF\uAAC1\uAAEC\uAAED\uAAF6\uAB6A\uAB6B\uABE5\uABE8\uABED\uFB1D-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBC2\uFBD3-\uFD8F\uFD92-\uFDC7\uFDCF\uFDF0-\uFE19\uFE20-\uFE52\uFE54-\uFE66\uFE68-\uFE6B\uFE70-\uFE74\uFE76-\uFEFC\uFEFF\uFF01-\uFF20\uFF3B-\uFF40\uFF5B-\uFF65\uFFE0-\uFFE6\uFFE8-\uFFEE\uFFF9-\uFFFD\u{10101}\u{10140}-\u{1018C}\u{10190}-\u{1019C}\u{101A0}\u{101FD}\u{102E0}-\u{102FB}\u{10376}-\u{1037A}\u{10800}-\u{10805}\u{10808}\u{1080A}-\u{10835}\u{10837}\u{10838}\u{1083C}\u{1083F}-\u{10855}\u{10857}-\u{1089E}\u{108A7}-\u{108AF}\u{108E0}-\u{108F2}\u{108F4}\u{108F5}\u{108FB}-\u{1091B}\u{1091F}-\u{10939}\u{1093F}\u{10980}-\u{109B7}\u{109BC}-\u{109CF}\u{109D2}-\u{10A03}\u{10A05}\u{10A06}\u{10A0C}-\u{10A13}\u{10A15}-\u{10A17}\u{10A19}-\u{10A35}\u{10A38}-\u{10A3A}\u{10A3F}-\u{10A48}\u{10A50}-\u{10A58}\u{10A60}-\u{10A9F}\u{10AC0}-\u{10AE6}\u{10AEB}-\u{10AF6}\u{10B00}-\u{10B35}\u{10B39}-\u{10B55}\u{10B58}-\u{10B72}\u{10B78}-\u{10B91}\u{10B99}-\u{10B9C}\u{10BA9}-\u{10BAF}\u{10C00}-\u{10C48}\u{10C80}-\u{10CB2}\u{10CC0}-\u{10CF2}\u{10CFA}-\u{10D27}\u{10D30}-\u{10D39}\u{10E60}-\u{10E7E}\u{10E80}-\u{10EA9}\u{10EAB}-\u{10EAD}\u{10EB0}\u{10EB1}\u{10F00}-\u{10F27}\u{10F30}-\u{10F59}\u{10F70}-\u{10F89}\u{10FB0}-\u{10FCB}\u{10FE0}-\u{10FF6}\u{11001}\u{11038}-\u{11046}\u{11052}-\u{11065}\u{11070}\u{11073}\u{11074}\u{1107F}-\u{11081}\u{110B3}-\u{110B6}\u{110B9}\u{110BA}\u{110C2}\u{11100}-\u{11102}\u{11127}-\u{1112B}\u{1112D}-\u{11134}\u{11173}\u{11180}\u{11181}\u{111B6}-\u{111BE}\u{111C9}-\u{111CC}\u{111CF}\u{1122F}-\u{11231}\u{11234}\u{11236}\u{11237}\u{1123E}\u{112DF}\u{112E3}-\u{112EA}\u{11300}\u{11301}\u{1133B}\u{1133C}\u{11340}\u{11366}-\u{1136C}\u{11370}-\u{11374}\u{11438}-\u{1143F}\u{11442}-\u{11444}\u{11446}\u{1145E}\u{114B3}-\u{114B8}\u{114BA}\u{114BF}\u{114C0}\u{114C2}\u{114C3}\u{115B2}-\u{115B5}\u{115BC}\u{115BD}\u{115BF}\u{115C0}\u{115DC}\u{115DD}\u{11633}-\u{1163A}\u{1163D}\u{1163F}\u{11640}\u{11660}-\u{1166C}\u{116AB}\u{116AD}\u{116B0}-\u{116B5}\u{116B7}\u{1171D}-\u{1171F}\u{11722}-\u{11725}\u{11727}-\u{1172B}\u{1182F}-\u{11837}\u{11839}\u{1183A}\u{1193B}\u{1193C}\u{1193E}\u{11943}\u{119D4}-\u{119D7}\u{119DA}\u{119DB}\u{119E0}\u{11A01}-\u{11A06}\u{11A09}\u{11A0A}\u{11A33}-\u{11A38}\u{11A3B}-\u{11A3E}\u{11A47}\u{11A51}-\u{11A56}\u{11A59}-\u{11A5B}\u{11A8A}-\u{11A96}\u{11A98}\u{11A99}\u{11C30}-\u{11C36}\u{11C38}-\u{11C3D}\u{11C92}-\u{11CA7}\u{11CAA}-\u{11CB0}\u{11CB2}\u{11CB3}\u{11CB5}\u{11CB6}\u{11D31}-\u{11D36}\u{11D3A}\u{11D3C}\u{11D3D}\u{11D3F}-\u{11D45}\u{11D47}\u{11D90}\u{11D91}\u{11D95}\u{11D97}\u{11EF3}\u{11EF4}\u{11FD5}-\u{11FF1}\u{16AF0}-\u{16AF4}\u{16B30}-\u{16B36}\u{16F4F}\u{16F8F}-\u{16F92}\u{16FE2}\u{16FE4}\u{1BC9D}\u{1BC9E}\u{1BCA0}-\u{1BCA3}\u{1CF00}-\u{1CF2D}\u{1CF30}-\u{1CF46}\u{1D167}-\u{1D169}\u{1D173}-\u{1D182}\u{1D185}-\u{1D18B}\u{1D1AA}-\u{1D1AD}\u{1D1E9}\u{1D1EA}\u{1D200}-\u{1D245}\u{1D300}-\u{1D356}\u{1D6DB}\u{1D715}\u{1D74F}\u{1D789}\u{1D7C3}\u{1D7CE}-\u{1D7FF}\u{1DA00}-\u{1DA36}\u{1DA3B}-\u{1DA6C}\u{1DA75}\u{1DA84}\u{1DA9B}-\u{1DA9F}\u{1DAA1}-\u{1DAAF}\u{1E000}-\u{1E006}\u{1E008}-\u{1E018}\u{1E01B}-\u{1E021}\u{1E023}\u{1E024}\u{1E026}-\u{1E02A}\u{1E130}-\u{1E136}\u{1E2AE}\u{1E2EC}-\u{1E2EF}\u{1E2FF}\u{1E800}-\u{1E8C4}\u{1E8C7}-\u{1E8D6}\u{1E900}-\u{1E94B}\u{1E950}-\u{1E959}\u{1E95E}\u{1E95F}\u{1EC71}-\u{1ECB4}\u{1ED01}-\u{1ED3D}\u{1EE00}-\u{1EE03}\u{1EE05}-\u{1EE1F}\u{1EE21}\u{1EE22}\u{1EE24}\u{1EE27}\u{1EE29}-\u{1EE32}\u{1EE34}-\u{1EE37}\u{1EE39}\u{1EE3B}\u{1EE42}\u{1EE47}\u{1EE49}\u{1EE4B}\u{1EE4D}-\u{1EE4F}\u{1EE51}\u{1EE52}\u{1EE54}\u{1EE57}\u{1EE59}\u{1EE5B}\u{1EE5D}\u{1EE5F}\u{1EE61}\u{1EE62}\u{1EE64}\u{1EE67}-\u{1EE6A}\u{1EE6C}-\u{1EE72}\u{1EE74}-\u{1EE77}\u{1EE79}-\u{1EE7C}\u{1EE7E}\u{1EE80}-\u{1EE89}\u{1EE8B}-\u{1EE9B}\u{1EEA1}-\u{1EEA3}\u{1EEA5}-\u{1EEA9}\u{1EEAB}-\u{1EEBB}\u{1EEF0}\u{1EEF1}\u{1F000}-\u{1F02B}\u{1F030}-\u{1F093}\u{1F0A0}-\u{1F0AE}\u{1F0B1}-\u{1F0BF}\u{1F0C1}-\u{1F0CF}\u{1F0D1}-\u{1F0F5}\u{1F100}-\u{1F10F}\u{1F12F}\u{1F16A}-\u{1F16F}\u{1F1AD}\u{1F260}-\u{1F265}\u{1F300}-\u{1F6D7}\u{1F6DD}-\u{1F6EC}\u{1F6F0}-\u{1F6FC}\u{1F700}-\u{1F773}\u{1F780}-\u{1F7D8}\u{1F7E0}-\u{1F7EB}\u{1F7F0}\u{1F800}-\u{1F80B}\u{1F810}-\u{1F847}\u{1F850}-\u{1F859}\u{1F860}-\u{1F887}\u{1F890}-\u{1F8AD}\u{1F8B0}\u{1F8B1}\u{1F900}-\u{1FA53}\u{1FA60}-\u{1FA6D}\u{1FA70}-\u{1FA74}\u{1FA78}-\u{1FA7C}\u{1FA80}-\u{1FA86}\u{1FA90}-\u{1FAAC}\u{1FAB0}-\u{1FABA}\u{1FAC0}-\u{1FAC5}\u{1FAD0}-\u{1FAD9}\u{1FAE0}-\u{1FAE7}\u{1FAF0}-\u{1FAF6}\u{1FB00}-\u{1FB92}\u{1FB94}-\u{1FBCA}\u{1FBF0}-\u{1FBF9}\u{E0001}\u{E0020}-\u{E007F}\u{E0100}-\u{E01EF}]*$/u;
+const bidiS3 = /[0-9\xB2\xB3\xB9\u05BE\u05C0\u05C3\u05C6\u05D0-\u05EA\u05EF-\u05F4\u0600-\u0605\u0608\u060B\u060D\u061B-\u064A\u0660-\u0669\u066B-\u066F\u0671-\u06D5\u06DD\u06E5\u06E6\u06EE-\u070D\u070F\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07C0-\u07EA\u07F4\u07F5\u07FA\u07FE-\u0815\u081A\u0824\u0828\u0830-\u083E\u0840-\u0858\u085E\u0860-\u086A\u0870-\u088E\u0890\u0891\u08A0-\u08C9\u08E2\u200F\u2070\u2074-\u2079\u2080-\u2089\u2488-\u249B\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBC2\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFC\uFE70-\uFE74\uFE76-\uFEFC\uFF10-\uFF19\u{102E1}-\u{102FB}\u{10800}-\u{10805}\u{10808}\u{1080A}-\u{10835}\u{10837}\u{10838}\u{1083C}\u{1083F}-\u{10855}\u{10857}-\u{1089E}\u{108A7}-\u{108AF}\u{108E0}-\u{108F2}\u{108F4}\u{108F5}\u{108FB}-\u{1091B}\u{10920}-\u{10939}\u{1093F}\u{10980}-\u{109B7}\u{109BC}-\u{109CF}\u{109D2}-\u{10A00}\u{10A10}-\u{10A13}\u{10A15}-\u{10A17}\u{10A19}-\u{10A35}\u{10A40}-\u{10A48}\u{10A50}-\u{10A58}\u{10A60}-\u{10A9F}\u{10AC0}-\u{10AE4}\u{10AEB}-\u{10AF6}\u{10B00}-\u{10B35}\u{10B40}-\u{10B55}\u{10B58}-\u{10B72}\u{10B78}-\u{10B91}\u{10B99}-\u{10B9C}\u{10BA9}-\u{10BAF}\u{10C00}-\u{10C48}\u{10C80}-\u{10CB2}\u{10CC0}-\u{10CF2}\u{10CFA}-\u{10D23}\u{10D30}-\u{10D39}\u{10E60}-\u{10E7E}\u{10E80}-\u{10EA9}\u{10EAD}\u{10EB0}\u{10EB1}\u{10F00}-\u{10F27}\u{10F30}-\u{10F45}\u{10F51}-\u{10F59}\u{10F70}-\u{10F81}\u{10F86}-\u{10F89}\u{10FB0}-\u{10FCB}\u{10FE0}-\u{10FF6}\u{1D7CE}-\u{1D7FF}\u{1E800}-\u{1E8C4}\u{1E8C7}-\u{1E8CF}\u{1E900}-\u{1E943}\u{1E94B}\u{1E950}-\u{1E959}\u{1E95E}\u{1E95F}\u{1EC71}-\u{1ECB4}\u{1ED01}-\u{1ED3D}\u{1EE00}-\u{1EE03}\u{1EE05}-\u{1EE1F}\u{1EE21}\u{1EE22}\u{1EE24}\u{1EE27}\u{1EE29}-\u{1EE32}\u{1EE34}-\u{1EE37}\u{1EE39}\u{1EE3B}\u{1EE42}\u{1EE47}\u{1EE49}\u{1EE4B}\u{1EE4D}-\u{1EE4F}\u{1EE51}\u{1EE52}\u{1EE54}\u{1EE57}\u{1EE59}\u{1EE5B}\u{1EE5D}\u{1EE5F}\u{1EE61}\u{1EE62}\u{1EE64}\u{1EE67}-\u{1EE6A}\u{1EE6C}-\u{1EE72}\u{1EE74}-\u{1EE77}\u{1EE79}-\u{1EE7C}\u{1EE7E}\u{1EE80}-\u{1EE89}\u{1EE8B}-\u{1EE9B}\u{1EEA1}-\u{1EEA3}\u{1EEA5}-\u{1EEA9}\u{1EEAB}-\u{1EEBB}\u{1F100}-\u{1F10A}\u{1FBF0}-\u{1FBF9}][\u0300-\u036F\u0483-\u0489\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7\u06E8\u06EA-\u06ED\u0711\u0730-\u074A\u07A6-\u07B0\u07EB-\u07F3\u07FD\u0816-\u0819\u081B-\u0823\u0825-\u0827\u0829-\u082D\u0859-\u085B\u0898-\u089F\u08CA-\u08E1\u08E3-\u0902\u093A\u093C\u0941-\u0948\u094D\u0951-\u0957\u0962\u0963\u0981\u09BC\u09C1-\u09C4\u09CD\u09E2\u09E3\u09FE\u0A01\u0A02\u0A3C\u0A41\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A70\u0A71\u0A75\u0A81\u0A82\u0ABC\u0AC1-\u0AC5\u0AC7\u0AC8\u0ACD\u0AE2\u0AE3\u0AFA-\u0AFF\u0B01\u0B3C\u0B3F\u0B41-\u0B44\u0B4D\u0B55\u0B56\u0B62\u0B63\u0B82\u0BC0\u0BCD\u0C00\u0C04\u0C3C\u0C3E-\u0C40\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C62\u0C63\u0C81\u0CBC\u0CCC\u0CCD\u0CE2\u0CE3\u0D00\u0D01\u0D3B\u0D3C\u0D41-\u0D44\u0D4D\u0D62\u0D63\u0D81\u0DCA\u0DD2-\u0DD4\u0DD6\u0E31\u0E34-\u0E3A\u0E47-\u0E4E\u0EB1\u0EB4-\u0EBC\u0EC8-\u0ECD\u0F18\u0F19\u0F35\u0F37\u0F39\u0F71-\u0F7E\u0F80-\u0F84\u0F86\u0F87\u0F8D-\u0F97\u0F99-\u0FBC\u0FC6\u102D-\u1030\u1032-\u1037\u1039\u103A\u103D\u103E\u1058\u1059\u105E-\u1060\u1071-\u1074\u1082\u1085\u1086\u108D\u109D\u135D-\u135F\u1712-\u1714\u1732\u1733\u1752\u1753\u1772\u1773\u17B4\u17B5\u17B7-\u17BD\u17C6\u17C9-\u17D3\u17DD\u180B-\u180D\u180F\u1885\u1886\u18A9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193B\u1A17\u1A18\u1A1B\u1A56\u1A58-\u1A5E\u1A60\u1A62\u1A65-\u1A6C\u1A73-\u1A7C\u1A7F\u1AB0-\u1ACE\u1B00-\u1B03\u1B34\u1B36-\u1B3A\u1B3C\u1B42\u1B6B-\u1B73\u1B80\u1B81\u1BA2-\u1BA5\u1BA8\u1BA9\u1BAB-\u1BAD\u1BE6\u1BE8\u1BE9\u1BED\u1BEF-\u1BF1\u1C2C-\u1C33\u1C36\u1C37\u1CD0-\u1CD2\u1CD4-\u1CE0\u1CE2-\u1CE8\u1CED\u1CF4\u1CF8\u1CF9\u1DC0-\u1DFF\u20D0-\u20F0\u2CEF-\u2CF1\u2D7F\u2DE0-\u2DFF\u302A-\u302D\u3099\u309A\uA66F-\uA672\uA674-\uA67D\uA69E\uA69F\uA6F0\uA6F1\uA802\uA806\uA80B\uA825\uA826\uA82C\uA8C4\uA8C5\uA8E0-\uA8F1\uA8FF\uA926-\uA92D\uA947-\uA951\uA980-\uA982\uA9B3\uA9B6-\uA9B9\uA9BC\uA9BD\uA9E5\uAA29-\uAA2E\uAA31\uAA32\uAA35\uAA36\uAA43\uAA4C\uAA7C\uAAB0\uAAB2-\uAAB4\uAAB7\uAAB8\uAABE\uAABF\uAAC1\uAAEC\uAAED\uAAF6\uABE5\uABE8\uABED\uFB1E\uFE00-\uFE0F\uFE20-\uFE2F\u{101FD}\u{102E0}\u{10376}-\u{1037A}\u{10A01}-\u{10A03}\u{10A05}\u{10A06}\u{10A0C}-\u{10A0F}\u{10A38}-\u{10A3A}\u{10A3F}\u{10AE5}\u{10AE6}\u{10D24}-\u{10D27}\u{10EAB}\u{10EAC}\u{10F46}-\u{10F50}\u{10F82}-\u{10F85}\u{11001}\u{11038}-\u{11046}\u{11070}\u{11073}\u{11074}\u{1107F}-\u{11081}\u{110B3}-\u{110B6}\u{110B9}\u{110BA}\u{110C2}\u{11100}-\u{11102}\u{11127}-\u{1112B}\u{1112D}-\u{11134}\u{11173}\u{11180}\u{11181}\u{111B6}-\u{111BE}\u{111C9}-\u{111CC}\u{111CF}\u{1122F}-\u{11231}\u{11234}\u{11236}\u{11237}\u{1123E}\u{112DF}\u{112E3}-\u{112EA}\u{11300}\u{11301}\u{1133B}\u{1133C}\u{11340}\u{11366}-\u{1136C}\u{11370}-\u{11374}\u{11438}-\u{1143F}\u{11442}-\u{11444}\u{11446}\u{1145E}\u{114B3}-\u{114B8}\u{114BA}\u{114BF}\u{114C0}\u{114C2}\u{114C3}\u{115B2}-\u{115B5}\u{115BC}\u{115BD}\u{115BF}\u{115C0}\u{115DC}\u{115DD}\u{11633}-\u{1163A}\u{1163D}\u{1163F}\u{11640}\u{116AB}\u{116AD}\u{116B0}-\u{116B5}\u{116B7}\u{1171D}-\u{1171F}\u{11722}-\u{11725}\u{11727}-\u{1172B}\u{1182F}-\u{11837}\u{11839}\u{1183A}\u{1193B}\u{1193C}\u{1193E}\u{11943}\u{119D4}-\u{119D7}\u{119DA}\u{119DB}\u{119E0}\u{11A01}-\u{11A06}\u{11A09}\u{11A0A}\u{11A33}-\u{11A38}\u{11A3B}-\u{11A3E}\u{11A47}\u{11A51}-\u{11A56}\u{11A59}-\u{11A5B}\u{11A8A}-\u{11A96}\u{11A98}\u{11A99}\u{11C30}-\u{11C36}\u{11C38}-\u{11C3D}\u{11C92}-\u{11CA7}\u{11CAA}-\u{11CB0}\u{11CB2}\u{11CB3}\u{11CB5}\u{11CB6}\u{11D31}-\u{11D36}\u{11D3A}\u{11D3C}\u{11D3D}\u{11D3F}-\u{11D45}\u{11D47}\u{11D90}\u{11D91}\u{11D95}\u{11D97}\u{11EF3}\u{11EF4}\u{16AF0}-\u{16AF4}\u{16B30}-\u{16B36}\u{16F4F}\u{16F8F}-\u{16F92}\u{16FE4}\u{1BC9D}\u{1BC9E}\u{1CF00}-\u{1CF2D}\u{1CF30}-\u{1CF46}\u{1D167}-\u{1D169}\u{1D17B}-\u{1D182}\u{1D185}-\u{1D18B}\u{1D1AA}-\u{1D1AD}\u{1D242}-\u{1D244}\u{1DA00}-\u{1DA36}\u{1DA3B}-\u{1DA6C}\u{1DA75}\u{1DA84}\u{1DA9B}-\u{1DA9F}\u{1DAA1}-\u{1DAAF}\u{1E000}-\u{1E006}\u{1E008}-\u{1E018}\u{1E01B}-\u{1E021}\u{1E023}\u{1E024}\u{1E026}-\u{1E02A}\u{1E130}-\u{1E136}\u{1E2AE}\u{1E2EC}-\u{1E2EF}\u{1E8D0}-\u{1E8D6}\u{1E944}-\u{1E94A}\u{E0100}-\u{E01EF}]*$/u;
+const bidiS4EN = /[0-9\xB2\xB3\xB9\u06F0-\u06F9\u2070\u2074-\u2079\u2080-\u2089\u2488-\u249B\uFF10-\uFF19\u{102E1}-\u{102FB}\u{1D7CE}-\u{1D7FF}\u{1F100}-\u{1F10A}\u{1FBF0}-\u{1FBF9}]/u;
+const bidiS4AN = /[\u0600-\u0605\u0660-\u0669\u066B\u066C\u06DD\u0890\u0891\u08E2\u{10D30}-\u{10D39}\u{10E60}-\u{10E7E}]/u;
+const bidiS5 = /^[\0-\x08\x0E-\x1B!-\x84\x86-\u0377\u037A-\u037F\u0384-\u038A\u038C\u038E-\u03A1\u03A3-\u052F\u0531-\u0556\u0559-\u058A\u058D-\u058F\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u0606\u0607\u0609\u060A\u060C\u060E-\u061A\u064B-\u065F\u066A\u0670\u06D6-\u06DC\u06DE-\u06E4\u06E7-\u06ED\u06F0-\u06F9\u0711\u0730-\u074A\u07A6-\u07B0\u07EB-\u07F3\u07F6-\u07F9\u07FD\u0816-\u0819\u081B-\u0823\u0825-\u0827\u0829-\u082D\u0859-\u085B\u0898-\u089F\u08CA-\u08E1\u08E3-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09FE\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A76\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AF1\u0AF9-\u0AFF\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B55-\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B77\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BFA\u0C00-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3C-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58-\u0C5A\u0C5D\u0C60-\u0C63\u0C66-\u0C6F\u0C77-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDD\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D00-\u0D0C\u0D0E-\u0D10\u0D12-\u0D44\u0D46-\u0D48\u0D4A-\u0D4F\u0D54-\u0D63\u0D66-\u0D7F\u0D81-\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2-\u0DF4\u0E01-\u0E3A\u0E3F-\u0E5B\u0E81\u0E82\u0E84\u0E86-\u0E8A\u0E8C-\u0EA3\u0EA5\u0EA7-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00-\u0F47\u0F49-\u0F6C\u0F71-\u0F97\u0F99-\u0FBC\u0FBE-\u0FCC\u0FCE-\u0FDA\u1000-\u10C5\u10C7\u10CD\u10D0-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u135D-\u137C\u1380-\u1399\u13A0-\u13F5\u13F8-\u13FD\u1400-\u167F\u1681-\u169C\u16A0-\u16F8\u1700-\u1715\u171F-\u1736\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17DD\u17E0-\u17E9\u17F0-\u17F9\u1800-\u1819\u1820-\u1878\u1880-\u18AA\u18B0-\u18F5\u1900-\u191E\u1920-\u192B\u1930-\u193B\u1940\u1944-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19DA\u19DE-\u1A1B\u1A1E-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA0-\u1AAD\u1AB0-\u1ACE\u1B00-\u1B4C\u1B50-\u1B7E\u1B80-\u1BF3\u1BFC-\u1C37\u1C3B-\u1C49\u1C4D-\u1C88\u1C90-\u1CBA\u1CBD-\u1CC7\u1CD0-\u1CFA\u1D00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FC4\u1FC6-\u1FD3\u1FD6-\u1FDB\u1FDD-\u1FEF\u1FF2-\u1FF4\u1FF6-\u1FFE\u200B-\u200E\u2010-\u2027\u202F-\u205E\u2060-\u2064\u206A-\u2071\u2074-\u208E\u2090-\u209C\u20A0-\u20C0\u20D0-\u20F0\u2100-\u218B\u2190-\u2426\u2440-\u244A\u2460-\u2B73\u2B76-\u2B95\u2B97-\u2CF3\u2CF9-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D70\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2E5D\u2E80-\u2E99\u2E9B-\u2EF3\u2F00-\u2FD5\u2FF0-\u2FFB\u3001-\u303F\u3041-\u3096\u3099-\u30FF\u3105-\u312F\u3131-\u318E\u3190-\u31E3\u31F0-\u321E\u3220-\uA48C\uA490-\uA4C6\uA4D0-\uA62B\uA640-\uA6F7\uA700-\uA7CA\uA7D0\uA7D1\uA7D3\uA7D5-\uA7D9\uA7F2-\uA82C\uA830-\uA839\uA840-\uA877\uA880-\uA8C5\uA8CE-\uA8D9\uA8E0-\uA953\uA95F-\uA97C\uA980-\uA9CD\uA9CF-\uA9D9\uA9DE-\uA9FE\uAA00-\uAA36\uAA40-\uAA4D\uAA50-\uAA59\uAA5C-\uAAC2\uAADB-\uAAF6\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB6B\uAB70-\uABED\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uD800-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1E\uFB29\uFD3E-\uFD4F\uFDCF\uFDFD-\uFE19\uFE20-\uFE52\uFE54-\uFE66\uFE68-\uFE6B\uFEFF\uFF01-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC\uFFE0-\uFFE6\uFFE8-\uFFEE\uFFF9-\uFFFD\u{10000}-\u{1000B}\u{1000D}-\u{10026}\u{10028}-\u{1003A}\u{1003C}\u{1003D}\u{1003F}-\u{1004D}\u{10050}-\u{1005D}\u{10080}-\u{100FA}\u{10100}-\u{10102}\u{10107}-\u{10133}\u{10137}-\u{1018E}\u{10190}-\u{1019C}\u{101A0}\u{101D0}-\u{101FD}\u{10280}-\u{1029C}\u{102A0}-\u{102D0}\u{102E0}-\u{102FB}\u{10300}-\u{10323}\u{1032D}-\u{1034A}\u{10350}-\u{1037A}\u{10380}-\u{1039D}\u{1039F}-\u{103C3}\u{103C8}-\u{103D5}\u{10400}-\u{1049D}\u{104A0}-\u{104A9}\u{104B0}-\u{104D3}\u{104D8}-\u{104FB}\u{10500}-\u{10527}\u{10530}-\u{10563}\u{1056F}-\u{1057A}\u{1057C}-\u{1058A}\u{1058C}-\u{10592}\u{10594}\u{10595}\u{10597}-\u{105A1}\u{105A3}-\u{105B1}\u{105B3}-\u{105B9}\u{105BB}\u{105BC}\u{10600}-\u{10736}\u{10740}-\u{10755}\u{10760}-\u{10767}\u{10780}-\u{10785}\u{10787}-\u{107B0}\u{107B2}-\u{107BA}\u{1091F}\u{10A01}-\u{10A03}\u{10A05}\u{10A06}\u{10A0C}-\u{10A0F}\u{10A38}-\u{10A3A}\u{10A3F}\u{10AE5}\u{10AE6}\u{10B39}-\u{10B3F}\u{10D24}-\u{10D27}\u{10EAB}\u{10EAC}\u{10F46}-\u{10F50}\u{10F82}-\u{10F85}\u{11000}-\u{1104D}\u{11052}-\u{11075}\u{1107F}-\u{110C2}\u{110CD}\u{110D0}-\u{110E8}\u{110F0}-\u{110F9}\u{11100}-\u{11134}\u{11136}-\u{11147}\u{11150}-\u{11176}\u{11180}-\u{111DF}\u{111E1}-\u{111F4}\u{11200}-\u{11211}\u{11213}-\u{1123E}\u{11280}-\u{11286}\u{11288}\u{1128A}-\u{1128D}\u{1128F}-\u{1129D}\u{1129F}-\u{112A9}\u{112B0}-\u{112EA}\u{112F0}-\u{112F9}\u{11300}-\u{11303}\u{11305}-\u{1130C}\u{1130F}\u{11310}\u{11313}-\u{11328}\u{1132A}-\u{11330}\u{11332}\u{11333}\u{11335}-\u{11339}\u{1133B}-\u{11344}\u{11347}\u{11348}\u{1134B}-\u{1134D}\u{11350}\u{11357}\u{1135D}-\u{11363}\u{11366}-\u{1136C}\u{11370}-\u{11374}\u{11400}-\u{1145B}\u{1145D}-\u{11461}\u{11480}-\u{114C7}\u{114D0}-\u{114D9}\u{11580}-\u{115B5}\u{115B8}-\u{115DD}\u{11600}-\u{11644}\u{11650}-\u{11659}\u{11660}-\u{1166C}\u{11680}-\u{116B9}\u{116C0}-\u{116C9}\u{11700}-\u{1171A}\u{1171D}-\u{1172B}\u{11730}-\u{11746}\u{11800}-\u{1183B}\u{118A0}-\u{118F2}\u{118FF}-\u{11906}\u{11909}\u{1190C}-\u{11913}\u{11915}\u{11916}\u{11918}-\u{11935}\u{11937}\u{11938}\u{1193B}-\u{11946}\u{11950}-\u{11959}\u{119A0}-\u{119A7}\u{119AA}-\u{119D7}\u{119DA}-\u{119E4}\u{11A00}-\u{11A47}\u{11A50}-\u{11AA2}\u{11AB0}-\u{11AF8}\u{11C00}-\u{11C08}\u{11C0A}-\u{11C36}\u{11C38}-\u{11C45}\u{11C50}-\u{11C6C}\u{11C70}-\u{11C8F}\u{11C92}-\u{11CA7}\u{11CA9}-\u{11CB6}\u{11D00}-\u{11D06}\u{11D08}\u{11D09}\u{11D0B}-\u{11D36}\u{11D3A}\u{11D3C}\u{11D3D}\u{11D3F}-\u{11D47}\u{11D50}-\u{11D59}\u{11D60}-\u{11D65}\u{11D67}\u{11D68}\u{11D6A}-\u{11D8E}\u{11D90}\u{11D91}\u{11D93}-\u{11D98}\u{11DA0}-\u{11DA9}\u{11EE0}-\u{11EF8}\u{11FB0}\u{11FC0}-\u{11FF1}\u{11FFF}-\u{12399}\u{12400}-\u{1246E}\u{12470}-\u{12474}\u{12480}-\u{12543}\u{12F90}-\u{12FF2}\u{13000}-\u{1342E}\u{13430}-\u{13438}\u{14400}-\u{14646}\u{16800}-\u{16A38}\u{16A40}-\u{16A5E}\u{16A60}-\u{16A69}\u{16A6E}-\u{16ABE}\u{16AC0}-\u{16AC9}\u{16AD0}-\u{16AED}\u{16AF0}-\u{16AF5}\u{16B00}-\u{16B45}\u{16B50}-\u{16B59}\u{16B5B}-\u{16B61}\u{16B63}-\u{16B77}\u{16B7D}-\u{16B8F}\u{16E40}-\u{16E9A}\u{16F00}-\u{16F4A}\u{16F4F}-\u{16F87}\u{16F8F}-\u{16F9F}\u{16FE0}-\u{16FE4}\u{16FF0}\u{16FF1}\u{17000}-\u{187F7}\u{18800}-\u{18CD5}\u{18D00}-\u{18D08}\u{1AFF0}-\u{1AFF3}\u{1AFF5}-\u{1AFFB}\u{1AFFD}\u{1AFFE}\u{1B000}-\u{1B122}\u{1B150}-\u{1B152}\u{1B164}-\u{1B167}\u{1B170}-\u{1B2FB}\u{1BC00}-\u{1BC6A}\u{1BC70}-\u{1BC7C}\u{1BC80}-\u{1BC88}\u{1BC90}-\u{1BC99}\u{1BC9C}-\u{1BCA3}\u{1CF00}-\u{1CF2D}\u{1CF30}-\u{1CF46}\u{1CF50}-\u{1CFC3}\u{1D000}-\u{1D0F5}\u{1D100}-\u{1D126}\u{1D129}-\u{1D1EA}\u{1D200}-\u{1D245}\u{1D2E0}-\u{1D2F3}\u{1D300}-\u{1D356}\u{1D360}-\u{1D378}\u{1D400}-\u{1D454}\u{1D456}-\u{1D49C}\u{1D49E}\u{1D49F}\u{1D4A2}\u{1D4A5}\u{1D4A6}\u{1D4A9}-\u{1D4AC}\u{1D4AE}-\u{1D4B9}\u{1D4BB}\u{1D4BD}-\u{1D4C3}\u{1D4C5}-\u{1D505}\u{1D507}-\u{1D50A}\u{1D50D}-\u{1D514}\u{1D516}-\u{1D51C}\u{1D51E}-\u{1D539}\u{1D53B}-\u{1D53E}\u{1D540}-\u{1D544}\u{1D546}\u{1D54A}-\u{1D550}\u{1D552}-\u{1D6A5}\u{1D6A8}-\u{1D7CB}\u{1D7CE}-\u{1DA8B}\u{1DA9B}-\u{1DA9F}\u{1DAA1}-\u{1DAAF}\u{1DF00}-\u{1DF1E}\u{1E000}-\u{1E006}\u{1E008}-\u{1E018}\u{1E01B}-\u{1E021}\u{1E023}\u{1E024}\u{1E026}-\u{1E02A}\u{1E100}-\u{1E12C}\u{1E130}-\u{1E13D}\u{1E140}-\u{1E149}\u{1E14E}\u{1E14F}\u{1E290}-\u{1E2AE}\u{1E2C0}-\u{1E2F9}\u{1E2FF}\u{1E7E0}-\u{1E7E6}\u{1E7E8}-\u{1E7EB}\u{1E7ED}\u{1E7EE}\u{1E7F0}-\u{1E7FE}\u{1E8D0}-\u{1E8D6}\u{1E944}-\u{1E94A}\u{1EEF0}\u{1EEF1}\u{1F000}-\u{1F02B}\u{1F030}-\u{1F093}\u{1F0A0}-\u{1F0AE}\u{1F0B1}-\u{1F0BF}\u{1F0C1}-\u{1F0CF}\u{1F0D1}-\u{1F0F5}\u{1F100}-\u{1F1AD}\u{1F1E6}-\u{1F202}\u{1F210}-\u{1F23B}\u{1F240}-\u{1F248}\u{1F250}\u{1F251}\u{1F260}-\u{1F265}\u{1F300}-\u{1F6D7}\u{1F6DD}-\u{1F6EC}\u{1F6F0}-\u{1F6FC}\u{1F700}-\u{1F773}\u{1F780}-\u{1F7D8}\u{1F7E0}-\u{1F7EB}\u{1F7F0}\u{1F800}-\u{1F80B}\u{1F810}-\u{1F847}\u{1F850}-\u{1F859}\u{1F860}-\u{1F887}\u{1F890}-\u{1F8AD}\u{1F8B0}\u{1F8B1}\u{1F900}-\u{1FA53}\u{1FA60}-\u{1FA6D}\u{1FA70}-\u{1FA74}\u{1FA78}-\u{1FA7C}\u{1FA80}-\u{1FA86}\u{1FA90}-\u{1FAAC}\u{1FAB0}-\u{1FABA}\u{1FAC0}-\u{1FAC5}\u{1FAD0}-\u{1FAD9}\u{1FAE0}-\u{1FAE7}\u{1FAF0}-\u{1FAF6}\u{1FB00}-\u{1FB92}\u{1FB94}-\u{1FBCA}\u{1FBF0}-\u{1FBF9}\u{20000}-\u{2A6DF}\u{2A700}-\u{2B738}\u{2B740}-\u{2B81D}\u{2B820}-\u{2CEA1}\u{2CEB0}-\u{2EBE0}\u{2F800}-\u{2FA1D}\u{30000}-\u{3134A}\u{E0001}\u{E0020}-\u{E007F}\u{E0100}-\u{E01EF}\u{F0000}-\u{FFFFD}\u{100000}-\u{10FFFD}]*$/u;
+const bidiS6 = 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+
+module.exports = {
+  combiningMarks,
+  combiningClassVirama,
+  validZWNJ,
+  bidiDomain,
+  bidiS1LTR,
+  bidiS1RTL,
+  bidiS2,
+  bidiS3,
+  bidiS4EN,
+  bidiS4AN,
+  bidiS5,
+  bidiS6
+};
diff --git a/node_modules/tr46/lib/statusMapping.js b/node_modules/tr46/lib/statusMapping.js
new file mode 100644
index 000000000..cfed6d6a7
--- /dev/null
+++ b/node_modules/tr46/lib/statusMapping.js
@@ -0,0 +1,11 @@
+"use strict";
+
+module.exports.STATUS_MAPPING = {
+  mapped: 1,
+  valid: 2,
+  disallowed: 3,
+  disallowed_STD3_valid: 4,
+  disallowed_STD3_mapped: 5,
+  deviation: 6,
+  ignored: 7
+};
diff --git a/node_modules/tr46/package.json b/node_modules/tr46/package.json
new file mode 100644
index 000000000..8e79ba6cd
--- /dev/null
+++ b/node_modules/tr46/package.json
@@ -0,0 +1,47 @@
+{
+  "name": "tr46",
+  "version": "3.0.0",
+  "engines": {
+    "node": ">=12"
+  },
+  "description": "An implementation of the Unicode UTS #46: Unicode IDNA Compatibility Processing",
+  "main": "index.js",
+  "files": [
+    "index.js",
+    "lib/mappingTable.json",
+    "lib/regexes.js",
+    "lib/statusMapping.js"
+  ],
+  "scripts": {
+    "test": "mocha",
+    "lint": "eslint .",
+    "pretest": "node scripts/getLatestTests.js",
+    "prepublish": "node scripts/generateMappingTable.js && node scripts/generateRegexes.js"
+  },
+  "repository": "https://github.com/jsdom/tr46",
+  "keywords": [
+    "unicode",
+    "tr46",
+    "uts46",
+    "punycode",
+    "url",
+    "whatwg"
+  ],
+  "author": "Sebastian Mayr <npm@smayr.name>",
+  "contributors": [
+    "Timothy Gu <timothygu99@gmail.com>"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "punycode": "^2.1.1"
+  },
+  "devDependencies": {
+    "@domenic/eslint-config": "^1.4.0",
+    "@unicode/unicode-14.0.0": "^1.2.1",
+    "eslint": "^7.32.0",
+    "minipass-fetch": "^1.4.1",
+    "mocha": "^9.1.1",
+    "regenerate": "^1.4.2"
+  },
+  "unicodeVersion": "14.0.0"
+}
diff --git a/node_modules/tsscmp/.travis.yml b/node_modules/tsscmp/.travis.yml
new file mode 100644
index 000000000..9b0586086
--- /dev/null
+++ b/node_modules/tsscmp/.travis.yml
@@ -0,0 +1,18 @@
+language: node_js
+node_js:
+  - "10.5"
+  - "9.11"
+  - "8.11"
+  - "7.10"
+  - "6"
+  - "5"
+  - "5.1"
+  - "4"
+  - "4.2"
+  - "4.1"
+  - "4.0"
+  - "0.12"
+  - "0.11"
+  - "0.10"
+  - "0.8"
+  
\ No newline at end of file
diff --git a/node_modules/tsscmp/LICENSE b/node_modules/tsscmp/LICENSE
new file mode 100644
index 000000000..c62e51bf1
--- /dev/null
+++ b/node_modules/tsscmp/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/tsscmp/README.md b/node_modules/tsscmp/README.md
new file mode 100644
index 000000000..cba99d037
--- /dev/null
+++ b/node_modules/tsscmp/README.md
@@ -0,0 +1,48 @@
+# Timing safe string compare using double HMAC
+
+[![Node.js Version](https://img.shields.io/node/v/tsscmp.svg?style=flat-square)](https://nodejs.org/en/download)
+[![npm](https://img.shields.io/npm/v/tsscmp.svg?style=flat-square)](https://npmjs.org/package/tsscmp)
+[![NPM Downloads](https://img.shields.io/npm/dm/tsscmp.svg?style=flat-square)](https://npmjs.org/package/tsscmp)
+[![Build Status](https://img.shields.io/travis/suryagh/tsscmp/master.svg?style=flat-square)](https://travis-ci.org/suryagh/tsscmp)
+[![Build Status](https://img.shields.io/appveyor/ci/suryagh/tsscmp/master.svg?style=flat-square&label=windows)](https://ci.appveyor.com/project/suryagh/tsscmp)
+[![Dependency Status](http://img.shields.io/david/suryagh/tsscmp.svg?style=flat-square)](https://david-dm.org/suryagh/tsscmp)
+[![npm-license](http://img.shields.io/npm/l/tsscmp.svg?style=flat-square)](LICENSE)
+
+
+Prevents [timing attacks](http://codahale.com/a-lesson-in-timing-attacks/) using Brad Hill's
+[Double HMAC pattern](https://www.nccgroup.trust/us/about-us/newsroom-and-events/blog/2011/february/double-hmac-verification/)
+to perform secure string comparison. Double HMAC avoids the timing atacks by blinding the
+timing channel using random time per attempt comparison against iterative brute force attacks.
+
+
+## Install
+
+```
+npm install tsscmp
+```
+## Why
+To compare secret values like **authentication tokens**, **passwords** or
+**capability urls** so that timing information is not
+leaked to the attacker.
+
+## Example
+
+```js
+var timingSafeCompare = require('tsscmp');
+
+var sessionToken = '127e6fbfe24a750e72930c';
+var givenToken = '127e6fbfe24a750e72930c';
+
+if (timingSafeCompare(sessionToken, givenToken)) {
+  console.log('good token');
+} else {
+  console.log('bad token');
+}
+```
+##License: 
+[MIT](LICENSE)
+
+**Credits to:**  [@jsha](https://github.com/jsha) |
+[@bnoordhuis](https://github.com/bnoordhuis) |
+[@suryagh](https://github.com/suryagh) |
+ 
\ No newline at end of file
diff --git a/node_modules/tsscmp/appveyor.yml b/node_modules/tsscmp/appveyor.yml
new file mode 100644
index 000000000..29cd460bd
--- /dev/null
+++ b/node_modules/tsscmp/appveyor.yml
@@ -0,0 +1,29 @@
+# Test against this version of Node.js
+environment:
+  matrix:
+   # nodejs_version: "0.6" not supported  in Windows x86
+   - nodejs_version: "0.8"
+   - nodejs_version: "0.10"
+   - nodejs_version: "0.11"
+   - nodejs_version: "0.12"
+   - nodejs_version: "4.0"
+   - nodejs_version: "5.0"
+   - nodejs_version: "6.0"
+
+# Install scripts. (runs after repo cloning)
+install:
+  # Get the latest stable version of Node.js or io.js
+  - ps: Install-Product node $env:nodejs_version
+  # install modules
+  - npm install
+
+# Post-install test scripts.
+test_script:
+  # Output useful info for debugging.
+  - node --version
+  - npm --version
+  # run tests
+  - npm test
+
+# Don't actually build.
+build: off
diff --git a/node_modules/tsscmp/lib/index.js b/node_modules/tsscmp/lib/index.js
new file mode 100644
index 000000000..d52e5b542
--- /dev/null
+++ b/node_modules/tsscmp/lib/index.js
@@ -0,0 +1,38 @@
+'use strict';
+
+// Implements Brad Hill's Double HMAC pattern from
+// https://www.nccgroup.trust/us/about-us/newsroom-and-events/blog/2011/february/double-hmac-verification/.
+// The approach is similar to the node's native implementation of timing safe buffer comparison that will be available on v6+.
+// https://github.com/nodejs/node/issues/3043
+// https://github.com/nodejs/node/pull/3073
+
+var crypto = require('crypto');
+
+function bufferEqual(a, b) {
+  if (a.length !== b.length) {
+    return false;
+  }
+  // `crypto.timingSafeEqual` was introduced in Node v6.6.0
+  // <https://github.com/jshttp/basic-auth/issues/39>
+  if (crypto.timingSafeEqual) {
+    return crypto.timingSafeEqual(a, b);
+  }
+  for (var i = 0; i < a.length; i++) {
+    if (a[i] !== b[i]) {
+      return false;
+    }
+  }
+  return true;
+}
+
+function timeSafeCompare(a, b) {
+  var sa = String(a);
+  var sb = String(b);
+  var key = crypto.pseudoRandomBytes(32);
+  var ah = crypto.createHmac('sha256', key).update(sa).digest();
+  var bh = crypto.createHmac('sha256', key).update(sb).digest();
+
+  return bufferEqual(ah, bh) && a === b;
+}
+
+module.exports = timeSafeCompare;
diff --git a/node_modules/tsscmp/package.json b/node_modules/tsscmp/package.json
new file mode 100644
index 000000000..a88010b6e
--- /dev/null
+++ b/node_modules/tsscmp/package.json
@@ -0,0 +1,29 @@
+{
+  "name": "tsscmp",
+  "version": "1.0.6",
+  "description": "Timing safe string compare using double HMAC",
+  "main": "lib/index.js",
+  "dependencies": {},
+  "devDependencies": {},
+  "scripts": {
+    "test": "node test/unit && node test/benchmark"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/suryagh/tsscmp.git"
+  },
+  "keywords": [
+    "timing safe string compare",
+    "double hmac string compare",
+    "safe string compare",
+    "hmac"
+  ],
+  "author": "suryagh",
+  "publishConfig": {
+    "registry": "https://registry.npmjs.org"
+  },
+  "engines": {
+    "node": ">=0.6.x"
+  },
+  "license": "MIT"
+}
diff --git a/node_modules/tsscmp/test/benchmark/index.js b/node_modules/tsscmp/test/benchmark/index.js
new file mode 100644
index 000000000..fd93e4233
--- /dev/null
+++ b/node_modules/tsscmp/test/benchmark/index.js
@@ -0,0 +1,30 @@
+'use strict';
+
+var timeSafeCompare = require('../../lib/index');
+
+function random(length) {
+
+    length = length || 32;
+    var result = "";
+    var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*()-+/*[]{}-=\|;\':\"<>?,./";
+
+    for( var i=0; i < length; i++ ){
+        result += possible.charAt(Math.floor(Math.random() * possible.length));
+    }
+    return result;
+}
+
+function run(count) {
+    count = count || 100*1000;
+    console.log('benchmark count: ' + count/1000 + 'k');
+    console.time('benchmark');
+    
+    while(count--){
+        timeSafeCompare(random(), random());
+    }
+    console.timeEnd('benchmark');
+}
+
+run(100000);
+
+module.exports = run;
diff --git a/node_modules/tsscmp/test/unit/index.js b/node_modules/tsscmp/test/unit/index.js
new file mode 100644
index 000000000..03354234a
--- /dev/null
+++ b/node_modules/tsscmp/test/unit/index.js
@@ -0,0 +1,69 @@
+'use strict';
+
+var assert = require('assert');
+var timeSafeCompare = require('../../lib/index');
+
+process.on('error', function (e) {
+	console.log('caught: ' + e);
+});
+
+function testEqual(a, b) {
+	assert(timeSafeCompare(a, b));
+
+	// lets also do a parity check with the strict equal to operator
+	assert(a === b);
+}
+
+function testNotEqual(a, b) {
+	assert(!timeSafeCompare(a, b));
+
+	// lets also do a parity check with the strict not equal to operator
+	assert(a !== b);
+}
+
+// note: lets also make sure tsscmp can be inline replaced for any types -
+// just incase if anyone is interested
+
+// positive tests
+testEqual('127e6fbfe24a750e72930c220a8e138275656b8e5d8f48a98c3c92df2caba935',
+	'127e6fbfe24a750e72930c220a8e138275656b8e5d8f48a98c3c92df2caba935',
+	'test ');
+testEqual('a', 'a');
+testEqual('', '');
+testEqual(undefined, undefined);
+testEqual(true, true);
+testEqual(false, false);
+(function () {
+	var a = { a: 1 };
+	testEqual(a, a);
+})();
+(function () {
+	function f1() { return 1; };
+	testEqual(f1, f1);
+})();
+
+// negative tests
+testNotEqual('');
+testNotEqual('a', 'b');
+testNotEqual('a', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa');
+testNotEqual('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'a');
+testNotEqual('alpha', 'beta');
+testNotEqual(false, true);
+testNotEqual(false, undefined);
+testNotEqual(function () { }, function () { });
+testNotEqual({}, {});
+testNotEqual({ a: 1 }, { a: 1 });
+testNotEqual({ a: 1 }, { a: 2 });
+testNotEqual([1, 2], [1, 2]);
+testNotEqual([1, 2], [1, 2, 3]);
+(function () {
+	var a = { p: 1 };
+	var b = { p: 1 };
+	testNotEqual(a, b);
+})();
+(function () {
+	function f1() { return 1; };
+	function f2() { return 1; };
+	testNotEqual(f1, f2);
+})();
+console.log('Success: all tests complete.');
diff --git a/node_modules/tunnel-agent/LICENSE b/node_modules/tunnel-agent/LICENSE
new file mode 100644
index 000000000..a4a9aee0c
--- /dev/null
+++ b/node_modules/tunnel-agent/LICENSE
@@ -0,0 +1,55 @@
+Apache License
+
+Version 2.0, January 2004
+
+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+"License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document.
+
+"Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License.
+
+"Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.
+
+"You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
+
+"Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files.
+
+"Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types.
+
+"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below).
+
+"Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof.
+
+"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
+
+"Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work.
+
+2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
+
+3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed.
+
+4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions:
+
+You must give any other recipients of the Work or Derivative Works a copy of this License; and
+
+You must cause any modified files to carry prominent notices stating that You changed the files; and
+
+You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and
+
+If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License. You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License.
+
+5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.
+
+6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.
+
+8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
+
+END OF TERMS AND CONDITIONS
\ No newline at end of file
diff --git a/node_modules/tunnel-agent/README.md b/node_modules/tunnel-agent/README.md
new file mode 100644
index 000000000..bb533d56b
--- /dev/null
+++ b/node_modules/tunnel-agent/README.md
@@ -0,0 +1,4 @@
+tunnel-agent
+============
+
+HTTP proxy tunneling agent. Formerly part of mikeal/request, now a standalone module.
diff --git a/node_modules/tunnel-agent/index.js b/node_modules/tunnel-agent/index.js
new file mode 100644
index 000000000..3ee9abc50
--- /dev/null
+++ b/node_modules/tunnel-agent/index.js
@@ -0,0 +1,244 @@
+'use strict'
+
+var net = require('net')
+  , tls = require('tls')
+  , http = require('http')
+  , https = require('https')
+  , events = require('events')
+  , assert = require('assert')
+  , util = require('util')
+  , Buffer = require('safe-buffer').Buffer
+  ;
+
+exports.httpOverHttp = httpOverHttp
+exports.httpsOverHttp = httpsOverHttp
+exports.httpOverHttps = httpOverHttps
+exports.httpsOverHttps = httpsOverHttps
+
+
+function httpOverHttp(options) {
+  var agent = new TunnelingAgent(options)
+  agent.request = http.request
+  return agent
+}
+
+function httpsOverHttp(options) {
+  var agent = new TunnelingAgent(options)
+  agent.request = http.request
+  agent.createSocket = createSecureSocket
+  agent.defaultPort = 443
+  return agent
+}
+
+function httpOverHttps(options) {
+  var agent = new TunnelingAgent(options)
+  agent.request = https.request
+  return agent
+}
+
+function httpsOverHttps(options) {
+  var agent = new TunnelingAgent(options)
+  agent.request = https.request
+  agent.createSocket = createSecureSocket
+  agent.defaultPort = 443
+  return agent
+}
+
+
+function TunnelingAgent(options) {
+  var self = this
+  self.options = options || {}
+  self.proxyOptions = self.options.proxy || {}
+  self.maxSockets = self.options.maxSockets || http.Agent.defaultMaxSockets
+  self.requests = []
+  self.sockets = []
+
+  self.on('free', function onFree(socket, host, port) {
+    for (var i = 0, len = self.requests.length; i < len; ++i) {
+      var pending = self.requests[i]
+      if (pending.host === host && pending.port === port) {
+        // Detect the request to connect same origin server,
+        // reuse the connection.
+        self.requests.splice(i, 1)
+        pending.request.onSocket(socket)
+        return
+      }
+    }
+    socket.destroy()
+    self.removeSocket(socket)
+  })
+}
+util.inherits(TunnelingAgent, events.EventEmitter)
+
+TunnelingAgent.prototype.addRequest = function addRequest(req, options) {
+  var self = this
+
+   // Legacy API: addRequest(req, host, port, path)
+  if (typeof options === 'string') {
+    options = {
+      host: options,
+      port: arguments[2],
+      path: arguments[3]
+    };
+  }
+
+  if (self.sockets.length >= this.maxSockets) {
+    // We are over limit so we'll add it to the queue.
+    self.requests.push({host: options.host, port: options.port, request: req})
+    return
+  }
+
+  // If we are under maxSockets create a new one.
+  self.createConnection({host: options.host, port: options.port, request: req})
+}
+
+TunnelingAgent.prototype.createConnection = function createConnection(pending) {
+  var self = this
+
+  self.createSocket(pending, function(socket) {
+    socket.on('free', onFree)
+    socket.on('close', onCloseOrRemove)
+    socket.on('agentRemove', onCloseOrRemove)
+    pending.request.onSocket(socket)
+
+    function onFree() {
+      self.emit('free', socket, pending.host, pending.port)
+    }
+
+    function onCloseOrRemove(err) {
+      self.removeSocket(socket)
+      socket.removeListener('free', onFree)
+      socket.removeListener('close', onCloseOrRemove)
+      socket.removeListener('agentRemove', onCloseOrRemove)
+    }
+  })
+}
+
+TunnelingAgent.prototype.createSocket = function createSocket(options, cb) {
+  var self = this
+  var placeholder = {}
+  self.sockets.push(placeholder)
+
+  var connectOptions = mergeOptions({}, self.proxyOptions,
+    { method: 'CONNECT'
+    , path: options.host + ':' + options.port
+    , agent: false
+    }
+  )
+  if (connectOptions.proxyAuth) {
+    connectOptions.headers = connectOptions.headers || {}
+    connectOptions.headers['Proxy-Authorization'] = 'Basic ' +
+        Buffer.from(connectOptions.proxyAuth).toString('base64')
+  }
+
+  debug('making CONNECT request')
+  var connectReq = self.request(connectOptions)
+  connectReq.useChunkedEncodingByDefault = false // for v0.6
+  connectReq.once('response', onResponse) // for v0.6
+  connectReq.once('upgrade', onUpgrade)   // for v0.6
+  connectReq.once('connect', onConnect)   // for v0.7 or later
+  connectReq.once('error', onError)
+  connectReq.end()
+
+  function onResponse(res) {
+    // Very hacky. This is necessary to avoid http-parser leaks.
+    res.upgrade = true
+  }
+
+  function onUpgrade(res, socket, head) {
+    // Hacky.
+    process.nextTick(function() {
+      onConnect(res, socket, head)
+    })
+  }
+
+  function onConnect(res, socket, head) {
+    connectReq.removeAllListeners()
+    socket.removeAllListeners()
+
+    if (res.statusCode === 200) {
+      assert.equal(head.length, 0)
+      debug('tunneling connection has established')
+      self.sockets[self.sockets.indexOf(placeholder)] = socket
+      cb(socket)
+    } else {
+      debug('tunneling socket could not be established, statusCode=%d', res.statusCode)
+      var error = new Error('tunneling socket could not be established, ' + 'statusCode=' + res.statusCode)
+      error.code = 'ECONNRESET'
+      options.request.emit('error', error)
+      self.removeSocket(placeholder)
+    }
+  }
+
+  function onError(cause) {
+    connectReq.removeAllListeners()
+
+    debug('tunneling socket could not be established, cause=%s\n', cause.message, cause.stack)
+    var error = new Error('tunneling socket could not be established, ' + 'cause=' + cause.message)
+    error.code = 'ECONNRESET'
+    options.request.emit('error', error)
+    self.removeSocket(placeholder)
+  }
+}
+
+TunnelingAgent.prototype.removeSocket = function removeSocket(socket) {
+  var pos = this.sockets.indexOf(socket)
+  if (pos === -1) return
+
+  this.sockets.splice(pos, 1)
+
+  var pending = this.requests.shift()
+  if (pending) {
+    // If we have pending requests and a socket gets closed a new one
+    // needs to be created to take over in the pool for the one that closed.
+    this.createConnection(pending)
+  }
+}
+
+function createSecureSocket(options, cb) {
+  var self = this
+  TunnelingAgent.prototype.createSocket.call(self, options, function(socket) {
+    // 0 is dummy port for v0.6
+    var secureSocket = tls.connect(0, mergeOptions({}, self.options,
+      { servername: options.host
+      , socket: socket
+      }
+    ))
+    self.sockets[self.sockets.indexOf(socket)] = secureSocket
+    cb(secureSocket)
+  })
+}
+
+
+function mergeOptions(target) {
+  for (var i = 1, len = arguments.length; i < len; ++i) {
+    var overrides = arguments[i]
+    if (typeof overrides === 'object') {
+      var keys = Object.keys(overrides)
+      for (var j = 0, keyLen = keys.length; j < keyLen; ++j) {
+        var k = keys[j]
+        if (overrides[k] !== undefined) {
+          target[k] = overrides[k]
+        }
+      }
+    }
+  }
+  return target
+}
+
+
+var debug
+if (process.env.NODE_DEBUG && /\btunnel\b/.test(process.env.NODE_DEBUG)) {
+  debug = function() {
+    var args = Array.prototype.slice.call(arguments)
+    if (typeof args[0] === 'string') {
+      args[0] = 'TUNNEL: ' + args[0]
+    } else {
+      args.unshift('TUNNEL:')
+    }
+    console.error.apply(console, args)
+  }
+} else {
+  debug = function() {}
+}
+exports.debug = debug // for test
diff --git a/node_modules/tunnel-agent/package.json b/node_modules/tunnel-agent/package.json
new file mode 100644
index 000000000..a271fda91
--- /dev/null
+++ b/node_modules/tunnel-agent/package.json
@@ -0,0 +1,22 @@
+{
+  "author": "Mikeal Rogers <mikeal.rogers@gmail.com> (http://www.futurealoof.com)",
+  "name": "tunnel-agent",
+  "license": "Apache-2.0",
+  "description": "HTTP proxy tunneling agent. Formerly part of mikeal/request, now a standalone module.",
+  "version": "0.6.0",
+  "repository": {
+    "url": "https://github.com/mikeal/tunnel-agent"
+  },
+  "main": "index.js",
+  "files": [
+    "index.js"
+  ],
+  "dependencies": {
+    "safe-buffer": "^5.0.1"
+  },
+  "devDependencies": {},
+  "optionalDependencies": {},
+  "engines": {
+    "node": "*"
+  }
+}
diff --git a/node_modules/tweetnacl/.npmignore b/node_modules/tweetnacl/.npmignore
new file mode 100644
index 000000000..7d98dcbd2
--- /dev/null
+++ b/node_modules/tweetnacl/.npmignore
@@ -0,0 +1,4 @@
+.eslintrc
+.travis.yml
+bower.json
+test
diff --git a/node_modules/tweetnacl/AUTHORS.md b/node_modules/tweetnacl/AUTHORS.md
new file mode 100644
index 000000000..6d74d4069
--- /dev/null
+++ b/node_modules/tweetnacl/AUTHORS.md
@@ -0,0 +1,28 @@
+List of TweetNaCl.js authors
+============================
+
+    Alphabetical order by first name.
+    Format: Name (GitHub username or URL)
+
+* AndSDev (@AndSDev)
+* Devi Mandiri (@devi)
+* Dmitry Chestnykh (@dchest)
+
+List of authors of third-party public domain code from which TweetNaCl.js code was derived
+==========================================================================================
+
+[TweetNaCl](http://tweetnacl.cr.yp.to/)
+--------------------------------------
+
+* Bernard van Gastel
+* Daniel J. Bernstein <http://cr.yp.to/djb.html>
+* Peter Schwabe <http://www.cryptojedi.org/users/peter/>
+* Sjaak Smetsers <http://www.cs.ru.nl/~sjakie/>
+* Tanja Lange <http://hyperelliptic.org/tanja>
+* Wesley Janssen
+
+
+[Poly1305-donna](https://github.com/floodyberry/poly1305-donna)
+--------------------------------------------------------------
+
+* Andrew Moon (@floodyberry)
diff --git a/node_modules/tweetnacl/CHANGELOG.md b/node_modules/tweetnacl/CHANGELOG.md
new file mode 100644
index 000000000..92a4fdc56
--- /dev/null
+++ b/node_modules/tweetnacl/CHANGELOG.md
@@ -0,0 +1,221 @@
+TweetNaCl.js Changelog
+======================
+
+
+v0.14.5
+-------
+
+* Fixed incomplete return types in TypeScript typings.
+* Replaced COPYING.txt with LICENSE file, which now has public domain dedication
+  text from The Unlicense. License fields in package.json and bower.json have
+  been set to "Unlicense". The project was and will be in the public domain --
+  this change just makes it easier for automated tools to know about this fact by
+  using the widely recognized and SPDX-compatible template for public domain
+  dedication.
+
+
+v0.14.4
+-------
+
+* Added TypeScript type definitions (contributed by @AndSDev).
+* Improved benchmarking code.
+
+
+v0.14.3
+-------
+
+Fixed a bug in the fast version of Poly1305 and brought it back.
+
+Thanks to @floodyberry for promptly responding and fixing the original C code:
+
+> "The issue was not properly detecting if st->h was >= 2^130 - 5, coupled with
+> [testing mistake] not catching the failure. The chance of the bug affecting
+> anything in the real world is essentially zero luckily, but it's good to have
+> it fixed."
+
+https://github.com/floodyberry/poly1305-donna/issues/2#issuecomment-202698577
+
+
+v0.14.2
+-------
+
+Switched Poly1305 fast version back to original (slow) version due to a bug.
+
+
+v0.14.1
+-------
+
+No code changes, just tweaked packaging and added COPYING.txt.
+
+
+v0.14.0
+-------
+
+* **Breaking change!** All functions from `nacl.util` have been removed. These
+  functions are no longer available:
+
+      nacl.util.decodeUTF8
+      nacl.util.encodeUTF8
+      nacl.util.decodeBase64
+      nacl.util.encodeBase64
+
+  If want to continue using them, you can include
+  <https://github.com/dchest/tweetnacl-util-js> package:
+
+      <script src="nacl.min.js"></script>
+      <script src="nacl-util.min.js"></script>
+
+  or
+
+      var nacl = require('tweetnacl');
+      nacl.util = require('tweetnacl-util');
+
+  However it is recommended to use better packages that have wider
+  compatibility and better performance. Functions from `nacl.util` were never
+  intended to be robust solution for string conversion and were included for
+  convenience: cryptography library is not the right place for them.
+
+  Currently calling these functions will throw error pointing to
+  `tweetnacl-util-js` (in the next version this error message will be removed).
+
+* Improved detection of available random number generators, making it possible
+  to use `nacl.randomBytes` and related functions in Web Workers without
+  changes.
+
+* Changes to testing (see README).
+
+
+v0.13.3
+-------
+
+No code changes.
+
+* Reverted license field in package.json to "Public domain".
+
+* Fixed typo in README.
+
+
+v0.13.2
+-------
+
+* Fixed undefined variable bug in fast version of Poly1305. No worries, this
+  bug was *never* triggered.
+
+* Specified CC0 public domain dedication.
+
+* Updated development dependencies.
+
+
+v0.13.1
+-------
+
+* Exclude `crypto` and `buffer` modules from browserify builds.
+
+
+v0.13.0
+-------
+
+* Made `nacl-fast` the default version in NPM package. Now
+  `require("tweetnacl")` will use fast version; to get the original version,
+  use `require("tweetnacl/nacl.js")`.
+
+* Cleanup temporary array after generating random bytes.
+
+
+v0.12.2
+-------
+
+* Improved performance of curve operations, making `nacl.scalarMult`, `nacl.box`,
+  `nacl.sign` and related functions up to 3x faster in `nacl-fast` version.
+
+
+v0.12.1
+-------
+
+* Significantly improved performance of Salsa20 (~1.5x faster) and
+  Poly1305 (~3.5x faster) in `nacl-fast` version.
+
+
+v0.12.0
+-------
+
+* Instead of using the given secret key directly, TweetNaCl.js now copies it to
+  a new array in `nacl.box.keyPair.fromSecretKey` and
+  `nacl.sign.keyPair.fromSecretKey`.
+
+
+v0.11.2
+-------
+
+* Added new constant: `nacl.sign.seedLength`.
+
+
+v0.11.1
+-------
+
+* Even faster hash for both short and long inputs (in `nacl-fast`).
+
+
+v0.11.0
+-------
+
+* Implement `nacl.sign.keyPair.fromSeed` to enable creation of sign key pairs
+  deterministically from a 32-byte seed. (It behaves like
+  [libsodium's](http://doc.libsodium.org/public-key_cryptography/public-key_signatures.html)
+  `crypto_sign_seed_keypair`: the seed becomes a secret part of the secret key.)
+
+* Fast version now has an improved hash implementation that is 2x-5x faster.
+
+* Fixed benchmarks, which may have produced incorrect measurements.
+
+
+v0.10.1
+-------
+
+* Exported undocumented `nacl.lowlevel.crypto_core_hsalsa20`.
+
+
+v0.10.0
+-------
+
+* **Signature API breaking change!** `nacl.sign` and `nacl.sign.open` now deal
+ with signed messages, and new `nacl.sign.detached` and
+ `nacl.sign.detached.verify` are available.
+ 
+ Previously, `nacl.sign` returned a signature, and `nacl.sign.open` accepted a
+ message and "detached" signature. This was unlike NaCl's API, which dealt with
+ signed messages (concatenation of signature and message).
+ 
+ The new API is:
+
+      nacl.sign(message, secretKey) -> signedMessage
+      nacl.sign.open(signedMessage, publicKey) -> message | null
+
+ Since detached signatures are common, two new API functions were introduced:
+ 
+      nacl.sign.detached(message, secretKey) -> signature
+      nacl.sign.detached.verify(message, signature, publicKey) -> true | false
+
+ (Note that it's `verify`, not `open`, and it returns a boolean value, unlike
+ `open`, which returns an "unsigned" message.)
+
+* NPM package now comes without `test` directory to keep it small.
+
+
+v0.9.2
+------
+
+* Improved documentation.
+* Fast version: increased theoretical message size limit from 2^32-1 to 2^52
+  bytes in Poly1305 (and thus, secretbox and box). However this has no impact
+  in practice since JavaScript arrays or ArrayBuffers are limited to 32-bit
+  indexes, and most implementations won't allocate more than a gigabyte or so.
+  (Obviously, there are no tests for the correctness of implementation.) Also,
+  it's not recommended to use messages that large without splitting them into
+  smaller packets anyway.
+
+
+v0.9.1
+------
+
+* Initial release
diff --git a/node_modules/tweetnacl/LICENSE b/node_modules/tweetnacl/LICENSE
new file mode 100644
index 000000000..cf1ab25da
--- /dev/null
+++ b/node_modules/tweetnacl/LICENSE
@@ -0,0 +1,24 @@
+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
+
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <http://unlicense.org>
diff --git a/node_modules/tweetnacl/PULL_REQUEST_TEMPLATE.md b/node_modules/tweetnacl/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 000000000..a8eb4a9a9
--- /dev/null
+++ b/node_modules/tweetnacl/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,20 @@
+# Important!
+
+If your contribution is not trivial (not a typo fix, etc.), we can only accept
+it if you dedicate your copyright for the contribution to the public domain.
+Make sure you understand what it means (see http://unlicense.org/)! If you
+agree, please add yourself to AUTHORS.md file, and include the following text
+to your pull request description or a comment in it:
+
+------------------------------------------------------------------------------
+
+    I dedicate any and all copyright interest in this software to the
+    public domain. I make this dedication for the benefit of the public at
+    large and to the detriment of my heirs and successors. I intend this
+    dedication to be an overt act of relinquishment in perpetuity of all
+    present and future rights to this software under copyright law.
+
+    Anyone is free to copy, modify, publish, use, compile, sell, or
+    distribute this software, either in source code form or as a compiled
+    binary, for any purpose, commercial or non-commercial, and by any
+    means.
diff --git a/node_modules/tweetnacl/README.md b/node_modules/tweetnacl/README.md
new file mode 100644
index 000000000..ffb6871d3
--- /dev/null
+++ b/node_modules/tweetnacl/README.md
@@ -0,0 +1,459 @@
+TweetNaCl.js
+============
+
+Port of [TweetNaCl](http://tweetnacl.cr.yp.to) / [NaCl](http://nacl.cr.yp.to/)
+to JavaScript for modern browsers and Node.js. Public domain.
+
+[![Build Status](https://travis-ci.org/dchest/tweetnacl-js.svg?branch=master)
+](https://travis-ci.org/dchest/tweetnacl-js)
+
+Demo: <https://tweetnacl.js.org>
+
+**:warning: The library is stable and API is frozen, however it has not been
+independently reviewed. If you can help reviewing it, please [contact
+me](mailto:dmitry@codingrobots.com).**
+
+Documentation
+=============
+
+* [Overview](#overview)
+* [Installation](#installation)
+* [Usage](#usage)
+  * [Public-key authenticated encryption (box)](#public-key-authenticated-encryption-box)
+  * [Secret-key authenticated encryption (secretbox)](#secret-key-authenticated-encryption-secretbox)
+  * [Scalar multiplication](#scalar-multiplication)
+  * [Signatures](#signatures)
+  * [Hashing](#hashing)
+  * [Random bytes generation](#random-bytes-generation)
+  * [Constant-time comparison](#constant-time-comparison)
+* [System requirements](#system-requirements)
+* [Development and testing](#development-and-testing)
+* [Benchmarks](#benchmarks)
+* [Contributors](#contributors)
+* [Who uses it](#who-uses-it)
+
+
+Overview
+--------
+
+The primary goal of this project is to produce a translation of TweetNaCl to
+JavaScript which is as close as possible to the original C implementation, plus
+a thin layer of idiomatic high-level API on top of it.
+
+There are two versions, you can use either of them:
+
+* `nacl.js` is the port of TweetNaCl with minimum differences from the
+  original + high-level API.
+
+* `nacl-fast.js` is like `nacl.js`, but with some functions replaced with
+  faster versions.
+
+
+Installation
+------------
+
+You can install TweetNaCl.js via a package manager:
+
+[Bower](http://bower.io):
+
+    $ bower install tweetnacl
+
+[NPM](https://www.npmjs.org/):
+
+    $ npm install tweetnacl
+
+or [download source code](https://github.com/dchest/tweetnacl-js/releases).
+
+
+Usage
+-----
+
+All API functions accept and return bytes as `Uint8Array`s.  If you need to
+encode or decode strings, use functions from
+<https://github.com/dchest/tweetnacl-util-js> or one of the more robust codec
+packages.
+
+In Node.js v4 and later `Buffer` objects are backed by `Uint8Array`s, so you
+can freely pass them to TweetNaCl.js functions as arguments. The returned
+objects are still `Uint8Array`s, so if you need `Buffer`s, you'll have to
+convert them manually; make sure to convert using copying: `new Buffer(array)`,
+instead of sharing: `new Buffer(array.buffer)`, because some functions return
+subarrays of their buffers.
+
+
+### Public-key authenticated encryption (box)
+
+Implements *curve25519-xsalsa20-poly1305*.
+
+#### nacl.box.keyPair()
+
+Generates a new random key pair for box and returns it as an object with
+`publicKey` and `secretKey` members:
+
+    {
+       publicKey: ...,  // Uint8Array with 32-byte public key
+       secretKey: ...   // Uint8Array with 32-byte secret key
+    }
+
+
+#### nacl.box.keyPair.fromSecretKey(secretKey)
+
+Returns a key pair for box with public key corresponding to the given secret
+key.
+
+#### nacl.box(message, nonce, theirPublicKey, mySecretKey)
+
+Encrypt and authenticates message using peer's public key, our secret key, and
+the given nonce, which must be unique for each distinct message for a key pair.
+
+Returns an encrypted and authenticated message, which is
+`nacl.box.overheadLength` longer than the original message.
+
+#### nacl.box.open(box, nonce, theirPublicKey, mySecretKey)
+
+Authenticates and decrypts the given box with peer's public key, our secret
+key, and the given nonce.
+
+Returns the original message, or `false` if authentication fails.
+
+#### nacl.box.before(theirPublicKey, mySecretKey)
+
+Returns a precomputed shared key which can be used in `nacl.box.after` and
+`nacl.box.open.after`.
+
+#### nacl.box.after(message, nonce, sharedKey)
+
+Same as `nacl.box`, but uses a shared key precomputed with `nacl.box.before`.
+
+#### nacl.box.open.after(box, nonce, sharedKey)
+
+Same as `nacl.box.open`, but uses a shared key precomputed with `nacl.box.before`.
+
+#### nacl.box.publicKeyLength = 32
+
+Length of public key in bytes.
+
+#### nacl.box.secretKeyLength = 32
+
+Length of secret key in bytes.
+
+#### nacl.box.sharedKeyLength = 32
+
+Length of precomputed shared key in bytes.
+
+#### nacl.box.nonceLength = 24
+
+Length of nonce in bytes.
+
+#### nacl.box.overheadLength = 16
+
+Length of overhead added to box compared to original message.
+
+
+### Secret-key authenticated encryption (secretbox)
+
+Implements *xsalsa20-poly1305*.
+
+#### nacl.secretbox(message, nonce, key)
+
+Encrypt and authenticates message using the key and the nonce. The nonce must
+be unique for each distinct message for this key.
+
+Returns an encrypted and authenticated message, which is
+`nacl.secretbox.overheadLength` longer than the original message.
+
+#### nacl.secretbox.open(box, nonce, key)
+
+Authenticates and decrypts the given secret box using the key and the nonce.
+
+Returns the original message, or `false` if authentication fails.
+
+#### nacl.secretbox.keyLength = 32
+
+Length of key in bytes.
+
+#### nacl.secretbox.nonceLength = 24
+
+Length of nonce in bytes.
+
+#### nacl.secretbox.overheadLength = 16
+
+Length of overhead added to secret box compared to original message.
+
+
+### Scalar multiplication
+
+Implements *curve25519*.
+
+#### nacl.scalarMult(n, p)
+
+Multiplies an integer `n` by a group element `p` and returns the resulting
+group element.
+
+#### nacl.scalarMult.base(n)
+
+Multiplies an integer `n` by a standard group element and returns the resulting
+group element.
+
+#### nacl.scalarMult.scalarLength = 32
+
+Length of scalar in bytes.
+
+#### nacl.scalarMult.groupElementLength = 32
+
+Length of group element in bytes.
+
+
+### Signatures
+
+Implements [ed25519](http://ed25519.cr.yp.to).
+
+#### nacl.sign.keyPair()
+
+Generates new random key pair for signing and returns it as an object with
+`publicKey` and `secretKey` members:
+
+    {
+       publicKey: ...,  // Uint8Array with 32-byte public key
+       secretKey: ...   // Uint8Array with 64-byte secret key
+    }
+
+#### nacl.sign.keyPair.fromSecretKey(secretKey)
+
+Returns a signing key pair with public key corresponding to the given
+64-byte secret key. The secret key must have been generated by
+`nacl.sign.keyPair` or `nacl.sign.keyPair.fromSeed`.
+
+#### nacl.sign.keyPair.fromSeed(seed)
+
+Returns a new signing key pair generated deterministically from a 32-byte seed.
+The seed must contain enough entropy to be secure. This method is not
+recommended for general use: instead, use `nacl.sign.keyPair` to generate a new
+key pair from a random seed.
+
+#### nacl.sign(message, secretKey)
+
+Signs the message using the secret key and returns a signed message.
+
+#### nacl.sign.open(signedMessage, publicKey)
+
+Verifies the signed message and returns the message without signature.
+
+Returns `null` if verification failed.
+
+#### nacl.sign.detached(message, secretKey)
+
+Signs the message using the secret key and returns a signature.
+
+#### nacl.sign.detached.verify(message, signature, publicKey)
+
+Verifies the signature for the message and returns `true` if verification
+succeeded or `false` if it failed.
+
+#### nacl.sign.publicKeyLength = 32
+
+Length of signing public key in bytes.
+
+#### nacl.sign.secretKeyLength = 64
+
+Length of signing secret key in bytes.
+
+#### nacl.sign.seedLength = 32
+
+Length of seed for `nacl.sign.keyPair.fromSeed` in bytes.
+
+#### nacl.sign.signatureLength = 64
+
+Length of signature in bytes.
+
+
+### Hashing
+
+Implements *SHA-512*.
+
+#### nacl.hash(message)
+
+Returns SHA-512 hash of the message.
+
+#### nacl.hash.hashLength = 64
+
+Length of hash in bytes.
+
+
+### Random bytes generation
+
+#### nacl.randomBytes(length)
+
+Returns a `Uint8Array` of the given length containing random bytes of
+cryptographic quality.
+
+**Implementation note**
+
+TweetNaCl.js uses the following methods to generate random bytes,
+depending on the platform it runs on:
+
+* `window.crypto.getRandomValues` (WebCrypto standard)
+* `window.msCrypto.getRandomValues` (Internet Explorer 11)
+* `crypto.randomBytes` (Node.js)
+
+If the platform doesn't provide a suitable PRNG, the following functions,
+which require random numbers, will throw exception:
+
+* `nacl.randomBytes`
+* `nacl.box.keyPair`
+* `nacl.sign.keyPair`
+
+Other functions are deterministic and will continue working.
+
+If a platform you are targeting doesn't implement secure random number
+generator, but you somehow have a cryptographically-strong source of entropy
+(not `Math.random`!), and you know what you are doing, you can plug it into
+TweetNaCl.js like this:
+
+    nacl.setPRNG(function(x, n) {
+      // ... copy n random bytes into x ...
+    });
+
+Note that `nacl.setPRNG` *completely replaces* internal random byte generator
+with the one provided.
+
+
+### Constant-time comparison
+
+#### nacl.verify(x, y)
+
+Compares `x` and `y` in constant time and returns `true` if their lengths are
+non-zero and equal, and their contents are equal.
+
+Returns `false` if either of the arguments has zero length, or arguments have
+different lengths, or their contents differ.
+
+
+System requirements
+-------------------
+
+TweetNaCl.js supports modern browsers that have a cryptographically secure
+pseudorandom number generator and typed arrays, including the latest versions
+of:
+
+* Chrome
+* Firefox
+* Safari (Mac, iOS)
+* Internet Explorer 11
+
+Other systems:
+
+* Node.js
+
+
+Development and testing
+------------------------
+
+Install NPM modules needed for development:
+
+    $ npm install
+
+To build minified versions:
+
+    $ npm run build
+
+Tests use minified version, so make sure to rebuild it every time you change
+`nacl.js` or `nacl-fast.js`.
+
+### Testing
+
+To run tests in Node.js:
+
+    $ npm run test-node
+
+By default all tests described here work on `nacl.min.js`. To test other
+versions, set environment variable `NACL_SRC` to the file name you want to test.
+For example, the following command will test fast minified version:
+
+    $ NACL_SRC=nacl-fast.min.js npm run test-node
+
+To run full suite of tests in Node.js, including comparing outputs of
+JavaScript port to outputs of the original C version:
+
+    $ npm run test-node-all
+
+To prepare tests for browsers:
+
+    $ npm run build-test-browser
+
+and then open `test/browser/test.html` (or `test/browser/test-fast.html`) to
+run them.
+
+To run headless browser tests with `tape-run` (powered by Electron):
+
+    $ npm run test-browser
+
+(If you get `Error: spawn ENOENT`, install *xvfb*: `sudo apt-get install xvfb`.)
+
+To run tests in both Node and Electron:
+
+    $ npm test
+
+### Benchmarking
+
+To run benchmarks in Node.js:
+
+    $ npm run bench
+    $ NACL_SRC=nacl-fast.min.js npm run bench
+
+To run benchmarks in a browser, open `test/benchmark/bench.html` (or
+`test/benchmark/bench-fast.html`).
+
+
+Benchmarks
+----------
+
+For reference, here are benchmarks from MacBook Pro (Retina, 13-inch, Mid 2014)
+laptop with 2.6 GHz Intel Core i5 CPU (Intel) in Chrome 53/OS X and Xiaomi Redmi
+Note 3 smartphone with 1.8 GHz Qualcomm Snapdragon 650 64-bit CPU (ARM) in
+Chrome 52/Android:
+
+|               | nacl.js Intel | nacl-fast.js Intel  |   nacl.js ARM | nacl-fast.js ARM  |
+| ------------- |:-------------:|:-------------------:|:-------------:|:-----------------:|
+| salsa20       | 1.3 MB/s      | 128 MB/s            |  0.4 MB/s     |  43 MB/s          |
+| poly1305      | 13 MB/s       | 171 MB/s            |  4 MB/s       |  52 MB/s          |
+| hash          | 4 MB/s        | 34 MB/s             |  0.9 MB/s     |  12 MB/s          |
+| secretbox 1K  | 1113 op/s     | 57583 op/s          |  334 op/s     |  14227 op/s       |
+| box 1K        | 145 op/s      | 718 op/s            |  37 op/s      |  368 op/s         |
+| scalarMult    | 171 op/s      | 733 op/s            |  56 op/s      |  380 op/s         |
+| sign          | 77  op/s      | 200 op/s            |  20 op/s      |  61 op/s          |
+| sign.open     | 39  op/s      | 102  op/s           |  11 op/s      |  31 op/s          |
+
+(You can run benchmarks on your devices by clicking on the links at the bottom
+of the [home page](https://tweetnacl.js.org)).
+
+In short, with *nacl-fast.js* and 1024-byte messages you can expect to encrypt and
+authenticate more than 57000 messages per second on a typical laptop or more than
+14000 messages per second on a $170 smartphone, sign about 200 and verify 100
+messages per second on a laptop or 60 and 30 messages per second on a smartphone,
+per CPU core (with Web Workers you can do these operations in parallel),
+which is good enough for most applications.
+
+
+Contributors
+------------
+
+See AUTHORS.md file.
+
+
+Third-party libraries based on TweetNaCl.js
+-------------------------------------------
+
+* [forward-secrecy](https://github.com/alax/forward-secrecy) — Axolotl ratchet implementation
+* [nacl-stream](https://github.com/dchest/nacl-stream-js) - streaming encryption
+* [tweetnacl-auth-js](https://github.com/dchest/tweetnacl-auth-js) — implementation of [`crypto_auth`](http://nacl.cr.yp.to/auth.html)
+* [chloride](https://github.com/dominictarr/chloride) - unified API for various NaCl modules
+
+
+Who uses it
+-----------
+
+Some notable users of TweetNaCl.js:
+
+* [miniLock](http://minilock.io/)
+* [Stellar](https://www.stellar.org/)
diff --git a/node_modules/tweetnacl/nacl-fast.js b/node_modules/tweetnacl/nacl-fast.js
new file mode 100644
index 000000000..5e4562fe8
--- /dev/null
+++ b/node_modules/tweetnacl/nacl-fast.js
@@ -0,0 +1,2388 @@
+(function(nacl) {
+'use strict';
+
+// Ported in 2014 by Dmitry Chestnykh and Devi Mandiri.
+// Public domain.
+//
+// Implementation derived from TweetNaCl version 20140427.
+// See for details: http://tweetnacl.cr.yp.to/
+
+var gf = function(init) {
+  var i, r = new Float64Array(16);
+  if (init) for (i = 0; i < init.length; i++) r[i] = init[i];
+  return r;
+};
+
+//  Pluggable, initialized in high-level API below.
+var randombytes = function(/* x, n */) { throw new Error('no PRNG'); };
+
+var _0 = new Uint8Array(16);
+var _9 = new Uint8Array(32); _9[0] = 9;
+
+var gf0 = gf(),
+    gf1 = gf([1]),
+    _121665 = gf([0xdb41, 1]),
+    D = gf([0x78a3, 0x1359, 0x4dca, 0x75eb, 0xd8ab, 0x4141, 0x0a4d, 0x0070, 0xe898, 0x7779, 0x4079, 0x8cc7, 0xfe73, 0x2b6f, 0x6cee, 0x5203]),
+    D2 = gf([0xf159, 0x26b2, 0x9b94, 0xebd6, 0xb156, 0x8283, 0x149a, 0x00e0, 0xd130, 0xeef3, 0x80f2, 0x198e, 0xfce7, 0x56df, 0xd9dc, 0x2406]),
+    X = gf([0xd51a, 0x8f25, 0x2d60, 0xc956, 0xa7b2, 0x9525, 0xc760, 0x692c, 0xdc5c, 0xfdd6, 0xe231, 0xc0a4, 0x53fe, 0xcd6e, 0x36d3, 0x2169]),
+    Y = gf([0x6658, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666]),
+    I = gf([0xa0b0, 0x4a0e, 0x1b27, 0xc4ee, 0xe478, 0xad2f, 0x1806, 0x2f43, 0xd7a7, 0x3dfb, 0x0099, 0x2b4d, 0xdf0b, 0x4fc1, 0x2480, 0x2b83]);
+
+function ts64(x, i, h, l) {
+  x[i]   = (h >> 24) & 0xff;
+  x[i+1] = (h >> 16) & 0xff;
+  x[i+2] = (h >>  8) & 0xff;
+  x[i+3] = h & 0xff;
+  x[i+4] = (l >> 24)  & 0xff;
+  x[i+5] = (l >> 16)  & 0xff;
+  x[i+6] = (l >>  8)  & 0xff;
+  x[i+7] = l & 0xff;
+}
+
+function vn(x, xi, y, yi, n) {
+  var i,d = 0;
+  for (i = 0; i < n; i++) d |= x[xi+i]^y[yi+i];
+  return (1 & ((d - 1) >>> 8)) - 1;
+}
+
+function crypto_verify_16(x, xi, y, yi) {
+  return vn(x,xi,y,yi,16);
+}
+
+function crypto_verify_32(x, xi, y, yi) {
+  return vn(x,xi,y,yi,32);
+}
+
+function core_salsa20(o, p, k, c) {
+  var j0  = c[ 0] & 0xff | (c[ 1] & 0xff)<<8 | (c[ 2] & 0xff)<<16 | (c[ 3] & 0xff)<<24,
+      j1  = k[ 0] & 0xff | (k[ 1] & 0xff)<<8 | (k[ 2] & 0xff)<<16 | (k[ 3] & 0xff)<<24,
+      j2  = k[ 4] & 0xff | (k[ 5] & 0xff)<<8 | (k[ 6] & 0xff)<<16 | (k[ 7] & 0xff)<<24,
+      j3  = k[ 8] & 0xff | (k[ 9] & 0xff)<<8 | (k[10] & 0xff)<<16 | (k[11] & 0xff)<<24,
+      j4  = k[12] & 0xff | (k[13] & 0xff)<<8 | (k[14] & 0xff)<<16 | (k[15] & 0xff)<<24,
+      j5  = c[ 4] & 0xff | (c[ 5] & 0xff)<<8 | (c[ 6] & 0xff)<<16 | (c[ 7] & 0xff)<<24,
+      j6  = p[ 0] & 0xff | (p[ 1] & 0xff)<<8 | (p[ 2] & 0xff)<<16 | (p[ 3] & 0xff)<<24,
+      j7  = p[ 4] & 0xff | (p[ 5] & 0xff)<<8 | (p[ 6] & 0xff)<<16 | (p[ 7] & 0xff)<<24,
+      j8  = p[ 8] & 0xff | (p[ 9] & 0xff)<<8 | (p[10] & 0xff)<<16 | (p[11] & 0xff)<<24,
+      j9  = p[12] & 0xff | (p[13] & 0xff)<<8 | (p[14] & 0xff)<<16 | (p[15] & 0xff)<<24,
+      j10 = c[ 8] & 0xff | (c[ 9] & 0xff)<<8 | (c[10] & 0xff)<<16 | (c[11] & 0xff)<<24,
+      j11 = k[16] & 0xff | (k[17] & 0xff)<<8 | (k[18] & 0xff)<<16 | (k[19] & 0xff)<<24,
+      j12 = k[20] & 0xff | (k[21] & 0xff)<<8 | (k[22] & 0xff)<<16 | (k[23] & 0xff)<<24,
+      j13 = k[24] & 0xff | (k[25] & 0xff)<<8 | (k[26] & 0xff)<<16 | (k[27] & 0xff)<<24,
+      j14 = k[28] & 0xff | (k[29] & 0xff)<<8 | (k[30] & 0xff)<<16 | (k[31] & 0xff)<<24,
+      j15 = c[12] & 0xff | (c[13] & 0xff)<<8 | (c[14] & 0xff)<<16 | (c[15] & 0xff)<<24;
+
+  var x0 = j0, x1 = j1, x2 = j2, x3 = j3, x4 = j4, x5 = j5, x6 = j6, x7 = j7,
+      x8 = j8, x9 = j9, x10 = j10, x11 = j11, x12 = j12, x13 = j13, x14 = j14,
+      x15 = j15, u;
+
+  for (var i = 0; i < 20; i += 2) {
+    u = x0 + x12 | 0;
+    x4 ^= u<<7 | u>>>(32-7);
+    u = x4 + x0 | 0;
+    x8 ^= u<<9 | u>>>(32-9);
+    u = x8 + x4 | 0;
+    x12 ^= u<<13 | u>>>(32-13);
+    u = x12 + x8 | 0;
+    x0 ^= u<<18 | u>>>(32-18);
+
+    u = x5 + x1 | 0;
+    x9 ^= u<<7 | u>>>(32-7);
+    u = x9 + x5 | 0;
+    x13 ^= u<<9 | u>>>(32-9);
+    u = x13 + x9 | 0;
+    x1 ^= u<<13 | u>>>(32-13);
+    u = x1 + x13 | 0;
+    x5 ^= u<<18 | u>>>(32-18);
+
+    u = x10 + x6 | 0;
+    x14 ^= u<<7 | u>>>(32-7);
+    u = x14 + x10 | 0;
+    x2 ^= u<<9 | u>>>(32-9);
+    u = x2 + x14 | 0;
+    x6 ^= u<<13 | u>>>(32-13);
+    u = x6 + x2 | 0;
+    x10 ^= u<<18 | u>>>(32-18);
+
+    u = x15 + x11 | 0;
+    x3 ^= u<<7 | u>>>(32-7);
+    u = x3 + x15 | 0;
+    x7 ^= u<<9 | u>>>(32-9);
+    u = x7 + x3 | 0;
+    x11 ^= u<<13 | u>>>(32-13);
+    u = x11 + x7 | 0;
+    x15 ^= u<<18 | u>>>(32-18);
+
+    u = x0 + x3 | 0;
+    x1 ^= u<<7 | u>>>(32-7);
+    u = x1 + x0 | 0;
+    x2 ^= u<<9 | u>>>(32-9);
+    u = x2 + x1 | 0;
+    x3 ^= u<<13 | u>>>(32-13);
+    u = x3 + x2 | 0;
+    x0 ^= u<<18 | u>>>(32-18);
+
+    u = x5 + x4 | 0;
+    x6 ^= u<<7 | u>>>(32-7);
+    u = x6 + x5 | 0;
+    x7 ^= u<<9 | u>>>(32-9);
+    u = x7 + x6 | 0;
+    x4 ^= u<<13 | u>>>(32-13);
+    u = x4 + x7 | 0;
+    x5 ^= u<<18 | u>>>(32-18);
+
+    u = x10 + x9 | 0;
+    x11 ^= u<<7 | u>>>(32-7);
+    u = x11 + x10 | 0;
+    x8 ^= u<<9 | u>>>(32-9);
+    u = x8 + x11 | 0;
+    x9 ^= u<<13 | u>>>(32-13);
+    u = x9 + x8 | 0;
+    x10 ^= u<<18 | u>>>(32-18);
+
+    u = x15 + x14 | 0;
+    x12 ^= u<<7 | u>>>(32-7);
+    u = x12 + x15 | 0;
+    x13 ^= u<<9 | u>>>(32-9);
+    u = x13 + x12 | 0;
+    x14 ^= u<<13 | u>>>(32-13);
+    u = x14 + x13 | 0;
+    x15 ^= u<<18 | u>>>(32-18);
+  }
+   x0 =  x0 +  j0 | 0;
+   x1 =  x1 +  j1 | 0;
+   x2 =  x2 +  j2 | 0;
+   x3 =  x3 +  j3 | 0;
+   x4 =  x4 +  j4 | 0;
+   x5 =  x5 +  j5 | 0;
+   x6 =  x6 +  j6 | 0;
+   x7 =  x7 +  j7 | 0;
+   x8 =  x8 +  j8 | 0;
+   x9 =  x9 +  j9 | 0;
+  x10 = x10 + j10 | 0;
+  x11 = x11 + j11 | 0;
+  x12 = x12 + j12 | 0;
+  x13 = x13 + j13 | 0;
+  x14 = x14 + j14 | 0;
+  x15 = x15 + j15 | 0;
+
+  o[ 0] = x0 >>>  0 & 0xff;
+  o[ 1] = x0 >>>  8 & 0xff;
+  o[ 2] = x0 >>> 16 & 0xff;
+  o[ 3] = x0 >>> 24 & 0xff;
+
+  o[ 4] = x1 >>>  0 & 0xff;
+  o[ 5] = x1 >>>  8 & 0xff;
+  o[ 6] = x1 >>> 16 & 0xff;
+  o[ 7] = x1 >>> 24 & 0xff;
+
+  o[ 8] = x2 >>>  0 & 0xff;
+  o[ 9] = x2 >>>  8 & 0xff;
+  o[10] = x2 >>> 16 & 0xff;
+  o[11] = x2 >>> 24 & 0xff;
+
+  o[12] = x3 >>>  0 & 0xff;
+  o[13] = x3 >>>  8 & 0xff;
+  o[14] = x3 >>> 16 & 0xff;
+  o[15] = x3 >>> 24 & 0xff;
+
+  o[16] = x4 >>>  0 & 0xff;
+  o[17] = x4 >>>  8 & 0xff;
+  o[18] = x4 >>> 16 & 0xff;
+  o[19] = x4 >>> 24 & 0xff;
+
+  o[20] = x5 >>>  0 & 0xff;
+  o[21] = x5 >>>  8 & 0xff;
+  o[22] = x5 >>> 16 & 0xff;
+  o[23] = x5 >>> 24 & 0xff;
+
+  o[24] = x6 >>>  0 & 0xff;
+  o[25] = x6 >>>  8 & 0xff;
+  o[26] = x6 >>> 16 & 0xff;
+  o[27] = x6 >>> 24 & 0xff;
+
+  o[28] = x7 >>>  0 & 0xff;
+  o[29] = x7 >>>  8 & 0xff;
+  o[30] = x7 >>> 16 & 0xff;
+  o[31] = x7 >>> 24 & 0xff;
+
+  o[32] = x8 >>>  0 & 0xff;
+  o[33] = x8 >>>  8 & 0xff;
+  o[34] = x8 >>> 16 & 0xff;
+  o[35] = x8 >>> 24 & 0xff;
+
+  o[36] = x9 >>>  0 & 0xff;
+  o[37] = x9 >>>  8 & 0xff;
+  o[38] = x9 >>> 16 & 0xff;
+  o[39] = x9 >>> 24 & 0xff;
+
+  o[40] = x10 >>>  0 & 0xff;
+  o[41] = x10 >>>  8 & 0xff;
+  o[42] = x10 >>> 16 & 0xff;
+  o[43] = x10 >>> 24 & 0xff;
+
+  o[44] = x11 >>>  0 & 0xff;
+  o[45] = x11 >>>  8 & 0xff;
+  o[46] = x11 >>> 16 & 0xff;
+  o[47] = x11 >>> 24 & 0xff;
+
+  o[48] = x12 >>>  0 & 0xff;
+  o[49] = x12 >>>  8 & 0xff;
+  o[50] = x12 >>> 16 & 0xff;
+  o[51] = x12 >>> 24 & 0xff;
+
+  o[52] = x13 >>>  0 & 0xff;
+  o[53] = x13 >>>  8 & 0xff;
+  o[54] = x13 >>> 16 & 0xff;
+  o[55] = x13 >>> 24 & 0xff;
+
+  o[56] = x14 >>>  0 & 0xff;
+  o[57] = x14 >>>  8 & 0xff;
+  o[58] = x14 >>> 16 & 0xff;
+  o[59] = x14 >>> 24 & 0xff;
+
+  o[60] = x15 >>>  0 & 0xff;
+  o[61] = x15 >>>  8 & 0xff;
+  o[62] = x15 >>> 16 & 0xff;
+  o[63] = x15 >>> 24 & 0xff;
+}
+
+function core_hsalsa20(o,p,k,c) {
+  var j0  = c[ 0] & 0xff | (c[ 1] & 0xff)<<8 | (c[ 2] & 0xff)<<16 | (c[ 3] & 0xff)<<24,
+      j1  = k[ 0] & 0xff | (k[ 1] & 0xff)<<8 | (k[ 2] & 0xff)<<16 | (k[ 3] & 0xff)<<24,
+      j2  = k[ 4] & 0xff | (k[ 5] & 0xff)<<8 | (k[ 6] & 0xff)<<16 | (k[ 7] & 0xff)<<24,
+      j3  = k[ 8] & 0xff | (k[ 9] & 0xff)<<8 | (k[10] & 0xff)<<16 | (k[11] & 0xff)<<24,
+      j4  = k[12] & 0xff | (k[13] & 0xff)<<8 | (k[14] & 0xff)<<16 | (k[15] & 0xff)<<24,
+      j5  = c[ 4] & 0xff | (c[ 5] & 0xff)<<8 | (c[ 6] & 0xff)<<16 | (c[ 7] & 0xff)<<24,
+      j6  = p[ 0] & 0xff | (p[ 1] & 0xff)<<8 | (p[ 2] & 0xff)<<16 | (p[ 3] & 0xff)<<24,
+      j7  = p[ 4] & 0xff | (p[ 5] & 0xff)<<8 | (p[ 6] & 0xff)<<16 | (p[ 7] & 0xff)<<24,
+      j8  = p[ 8] & 0xff | (p[ 9] & 0xff)<<8 | (p[10] & 0xff)<<16 | (p[11] & 0xff)<<24,
+      j9  = p[12] & 0xff | (p[13] & 0xff)<<8 | (p[14] & 0xff)<<16 | (p[15] & 0xff)<<24,
+      j10 = c[ 8] & 0xff | (c[ 9] & 0xff)<<8 | (c[10] & 0xff)<<16 | (c[11] & 0xff)<<24,
+      j11 = k[16] & 0xff | (k[17] & 0xff)<<8 | (k[18] & 0xff)<<16 | (k[19] & 0xff)<<24,
+      j12 = k[20] & 0xff | (k[21] & 0xff)<<8 | (k[22] & 0xff)<<16 | (k[23] & 0xff)<<24,
+      j13 = k[24] & 0xff | (k[25] & 0xff)<<8 | (k[26] & 0xff)<<16 | (k[27] & 0xff)<<24,
+      j14 = k[28] & 0xff | (k[29] & 0xff)<<8 | (k[30] & 0xff)<<16 | (k[31] & 0xff)<<24,
+      j15 = c[12] & 0xff | (c[13] & 0xff)<<8 | (c[14] & 0xff)<<16 | (c[15] & 0xff)<<24;
+
+  var x0 = j0, x1 = j1, x2 = j2, x3 = j3, x4 = j4, x5 = j5, x6 = j6, x7 = j7,
+      x8 = j8, x9 = j9, x10 = j10, x11 = j11, x12 = j12, x13 = j13, x14 = j14,
+      x15 = j15, u;
+
+  for (var i = 0; i < 20; i += 2) {
+    u = x0 + x12 | 0;
+    x4 ^= u<<7 | u>>>(32-7);
+    u = x4 + x0 | 0;
+    x8 ^= u<<9 | u>>>(32-9);
+    u = x8 + x4 | 0;
+    x12 ^= u<<13 | u>>>(32-13);
+    u = x12 + x8 | 0;
+    x0 ^= u<<18 | u>>>(32-18);
+
+    u = x5 + x1 | 0;
+    x9 ^= u<<7 | u>>>(32-7);
+    u = x9 + x5 | 0;
+    x13 ^= u<<9 | u>>>(32-9);
+    u = x13 + x9 | 0;
+    x1 ^= u<<13 | u>>>(32-13);
+    u = x1 + x13 | 0;
+    x5 ^= u<<18 | u>>>(32-18);
+
+    u = x10 + x6 | 0;
+    x14 ^= u<<7 | u>>>(32-7);
+    u = x14 + x10 | 0;
+    x2 ^= u<<9 | u>>>(32-9);
+    u = x2 + x14 | 0;
+    x6 ^= u<<13 | u>>>(32-13);
+    u = x6 + x2 | 0;
+    x10 ^= u<<18 | u>>>(32-18);
+
+    u = x15 + x11 | 0;
+    x3 ^= u<<7 | u>>>(32-7);
+    u = x3 + x15 | 0;
+    x7 ^= u<<9 | u>>>(32-9);
+    u = x7 + x3 | 0;
+    x11 ^= u<<13 | u>>>(32-13);
+    u = x11 + x7 | 0;
+    x15 ^= u<<18 | u>>>(32-18);
+
+    u = x0 + x3 | 0;
+    x1 ^= u<<7 | u>>>(32-7);
+    u = x1 + x0 | 0;
+    x2 ^= u<<9 | u>>>(32-9);
+    u = x2 + x1 | 0;
+    x3 ^= u<<13 | u>>>(32-13);
+    u = x3 + x2 | 0;
+    x0 ^= u<<18 | u>>>(32-18);
+
+    u = x5 + x4 | 0;
+    x6 ^= u<<7 | u>>>(32-7);
+    u = x6 + x5 | 0;
+    x7 ^= u<<9 | u>>>(32-9);
+    u = x7 + x6 | 0;
+    x4 ^= u<<13 | u>>>(32-13);
+    u = x4 + x7 | 0;
+    x5 ^= u<<18 | u>>>(32-18);
+
+    u = x10 + x9 | 0;
+    x11 ^= u<<7 | u>>>(32-7);
+    u = x11 + x10 | 0;
+    x8 ^= u<<9 | u>>>(32-9);
+    u = x8 + x11 | 0;
+    x9 ^= u<<13 | u>>>(32-13);
+    u = x9 + x8 | 0;
+    x10 ^= u<<18 | u>>>(32-18);
+
+    u = x15 + x14 | 0;
+    x12 ^= u<<7 | u>>>(32-7);
+    u = x12 + x15 | 0;
+    x13 ^= u<<9 | u>>>(32-9);
+    u = x13 + x12 | 0;
+    x14 ^= u<<13 | u>>>(32-13);
+    u = x14 + x13 | 0;
+    x15 ^= u<<18 | u>>>(32-18);
+  }
+
+  o[ 0] = x0 >>>  0 & 0xff;
+  o[ 1] = x0 >>>  8 & 0xff;
+  o[ 2] = x0 >>> 16 & 0xff;
+  o[ 3] = x0 >>> 24 & 0xff;
+
+  o[ 4] = x5 >>>  0 & 0xff;
+  o[ 5] = x5 >>>  8 & 0xff;
+  o[ 6] = x5 >>> 16 & 0xff;
+  o[ 7] = x5 >>> 24 & 0xff;
+
+  o[ 8] = x10 >>>  0 & 0xff;
+  o[ 9] = x10 >>>  8 & 0xff;
+  o[10] = x10 >>> 16 & 0xff;
+  o[11] = x10 >>> 24 & 0xff;
+
+  o[12] = x15 >>>  0 & 0xff;
+  o[13] = x15 >>>  8 & 0xff;
+  o[14] = x15 >>> 16 & 0xff;
+  o[15] = x15 >>> 24 & 0xff;
+
+  o[16] = x6 >>>  0 & 0xff;
+  o[17] = x6 >>>  8 & 0xff;
+  o[18] = x6 >>> 16 & 0xff;
+  o[19] = x6 >>> 24 & 0xff;
+
+  o[20] = x7 >>>  0 & 0xff;
+  o[21] = x7 >>>  8 & 0xff;
+  o[22] = x7 >>> 16 & 0xff;
+  o[23] = x7 >>> 24 & 0xff;
+
+  o[24] = x8 >>>  0 & 0xff;
+  o[25] = x8 >>>  8 & 0xff;
+  o[26] = x8 >>> 16 & 0xff;
+  o[27] = x8 >>> 24 & 0xff;
+
+  o[28] = x9 >>>  0 & 0xff;
+  o[29] = x9 >>>  8 & 0xff;
+  o[30] = x9 >>> 16 & 0xff;
+  o[31] = x9 >>> 24 & 0xff;
+}
+
+function crypto_core_salsa20(out,inp,k,c) {
+  core_salsa20(out,inp,k,c);
+}
+
+function crypto_core_hsalsa20(out,inp,k,c) {
+  core_hsalsa20(out,inp,k,c);
+}
+
+var sigma = new Uint8Array([101, 120, 112, 97, 110, 100, 32, 51, 50, 45, 98, 121, 116, 101, 32, 107]);
+            // "expand 32-byte k"
+
+function crypto_stream_salsa20_xor(c,cpos,m,mpos,b,n,k) {
+  var z = new Uint8Array(16), x = new Uint8Array(64);
+  var u, i;
+  for (i = 0; i < 16; i++) z[i] = 0;
+  for (i = 0; i < 8; i++) z[i] = n[i];
+  while (b >= 64) {
+    crypto_core_salsa20(x,z,k,sigma);
+    for (i = 0; i < 64; i++) c[cpos+i] = m[mpos+i] ^ x[i];
+    u = 1;
+    for (i = 8; i < 16; i++) {
+      u = u + (z[i] & 0xff) | 0;
+      z[i] = u & 0xff;
+      u >>>= 8;
+    }
+    b -= 64;
+    cpos += 64;
+    mpos += 64;
+  }
+  if (b > 0) {
+    crypto_core_salsa20(x,z,k,sigma);
+    for (i = 0; i < b; i++) c[cpos+i] = m[mpos+i] ^ x[i];
+  }
+  return 0;
+}
+
+function crypto_stream_salsa20(c,cpos,b,n,k) {
+  var z = new Uint8Array(16), x = new Uint8Array(64);
+  var u, i;
+  for (i = 0; i < 16; i++) z[i] = 0;
+  for (i = 0; i < 8; i++) z[i] = n[i];
+  while (b >= 64) {
+    crypto_core_salsa20(x,z,k,sigma);
+    for (i = 0; i < 64; i++) c[cpos+i] = x[i];
+    u = 1;
+    for (i = 8; i < 16; i++) {
+      u = u + (z[i] & 0xff) | 0;
+      z[i] = u & 0xff;
+      u >>>= 8;
+    }
+    b -= 64;
+    cpos += 64;
+  }
+  if (b > 0) {
+    crypto_core_salsa20(x,z,k,sigma);
+    for (i = 0; i < b; i++) c[cpos+i] = x[i];
+  }
+  return 0;
+}
+
+function crypto_stream(c,cpos,d,n,k) {
+  var s = new Uint8Array(32);
+  crypto_core_hsalsa20(s,n,k,sigma);
+  var sn = new Uint8Array(8);
+  for (var i = 0; i < 8; i++) sn[i] = n[i+16];
+  return crypto_stream_salsa20(c,cpos,d,sn,s);
+}
+
+function crypto_stream_xor(c,cpos,m,mpos,d,n,k) {
+  var s = new Uint8Array(32);
+  crypto_core_hsalsa20(s,n,k,sigma);
+  var sn = new Uint8Array(8);
+  for (var i = 0; i < 8; i++) sn[i] = n[i+16];
+  return crypto_stream_salsa20_xor(c,cpos,m,mpos,d,sn,s);
+}
+
+/*
+* Port of Andrew Moon's Poly1305-donna-16. Public domain.
+* https://github.com/floodyberry/poly1305-donna
+*/
+
+var poly1305 = function(key) {
+  this.buffer = new Uint8Array(16);
+  this.r = new Uint16Array(10);
+  this.h = new Uint16Array(10);
+  this.pad = new Uint16Array(8);
+  this.leftover = 0;
+  this.fin = 0;
+
+  var t0, t1, t2, t3, t4, t5, t6, t7;
+
+  t0 = key[ 0] & 0xff | (key[ 1] & 0xff) << 8; this.r[0] = ( t0                     ) & 0x1fff;
+  t1 = key[ 2] & 0xff | (key[ 3] & 0xff) << 8; this.r[1] = ((t0 >>> 13) | (t1 <<  3)) & 0x1fff;
+  t2 = key[ 4] & 0xff | (key[ 5] & 0xff) << 8; this.r[2] = ((t1 >>> 10) | (t2 <<  6)) & 0x1f03;
+  t3 = key[ 6] & 0xff | (key[ 7] & 0xff) << 8; this.r[3] = ((t2 >>>  7) | (t3 <<  9)) & 0x1fff;
+  t4 = key[ 8] & 0xff | (key[ 9] & 0xff) << 8; this.r[4] = ((t3 >>>  4) | (t4 << 12)) & 0x00ff;
+  this.r[5] = ((t4 >>>  1)) & 0x1ffe;
+  t5 = key[10] & 0xff | (key[11] & 0xff) << 8; this.r[6] = ((t4 >>> 14) | (t5 <<  2)) & 0x1fff;
+  t6 = key[12] & 0xff | (key[13] & 0xff) << 8; this.r[7] = ((t5 >>> 11) | (t6 <<  5)) & 0x1f81;
+  t7 = key[14] & 0xff | (key[15] & 0xff) << 8; this.r[8] = ((t6 >>>  8) | (t7 <<  8)) & 0x1fff;
+  this.r[9] = ((t7 >>>  5)) & 0x007f;
+
+  this.pad[0] = key[16] & 0xff | (key[17] & 0xff) << 8;
+  this.pad[1] = key[18] & 0xff | (key[19] & 0xff) << 8;
+  this.pad[2] = key[20] & 0xff | (key[21] & 0xff) << 8;
+  this.pad[3] = key[22] & 0xff | (key[23] & 0xff) << 8;
+  this.pad[4] = key[24] & 0xff | (key[25] & 0xff) << 8;
+  this.pad[5] = key[26] & 0xff | (key[27] & 0xff) << 8;
+  this.pad[6] = key[28] & 0xff | (key[29] & 0xff) << 8;
+  this.pad[7] = key[30] & 0xff | (key[31] & 0xff) << 8;
+};
+
+poly1305.prototype.blocks = function(m, mpos, bytes) {
+  var hibit = this.fin ? 0 : (1 << 11);
+  var t0, t1, t2, t3, t4, t5, t6, t7, c;
+  var d0, d1, d2, d3, d4, d5, d6, d7, d8, d9;
+
+  var h0 = this.h[0],
+      h1 = this.h[1],
+      h2 = this.h[2],
+      h3 = this.h[3],
+      h4 = this.h[4],
+      h5 = this.h[5],
+      h6 = this.h[6],
+      h7 = this.h[7],
+      h8 = this.h[8],
+      h9 = this.h[9];
+
+  var r0 = this.r[0],
+      r1 = this.r[1],
+      r2 = this.r[2],
+      r3 = this.r[3],
+      r4 = this.r[4],
+      r5 = this.r[5],
+      r6 = this.r[6],
+      r7 = this.r[7],
+      r8 = this.r[8],
+      r9 = this.r[9];
+
+  while (bytes >= 16) {
+    t0 = m[mpos+ 0] & 0xff | (m[mpos+ 1] & 0xff) << 8; h0 += ( t0                     ) & 0x1fff;
+    t1 = m[mpos+ 2] & 0xff | (m[mpos+ 3] & 0xff) << 8; h1 += ((t0 >>> 13) | (t1 <<  3)) & 0x1fff;
+    t2 = m[mpos+ 4] & 0xff | (m[mpos+ 5] & 0xff) << 8; h2 += ((t1 >>> 10) | (t2 <<  6)) & 0x1fff;
+    t3 = m[mpos+ 6] & 0xff | (m[mpos+ 7] & 0xff) << 8; h3 += ((t2 >>>  7) | (t3 <<  9)) & 0x1fff;
+    t4 = m[mpos+ 8] & 0xff | (m[mpos+ 9] & 0xff) << 8; h4 += ((t3 >>>  4) | (t4 << 12)) & 0x1fff;
+    h5 += ((t4 >>>  1)) & 0x1fff;
+    t5 = m[mpos+10] & 0xff | (m[mpos+11] & 0xff) << 8; h6 += ((t4 >>> 14) | (t5 <<  2)) & 0x1fff;
+    t6 = m[mpos+12] & 0xff | (m[mpos+13] & 0xff) << 8; h7 += ((t5 >>> 11) | (t6 <<  5)) & 0x1fff;
+    t7 = m[mpos+14] & 0xff | (m[mpos+15] & 0xff) << 8; h8 += ((t6 >>>  8) | (t7 <<  8)) & 0x1fff;
+    h9 += ((t7 >>> 5)) | hibit;
+
+    c = 0;
+
+    d0 = c;
+    d0 += h0 * r0;
+    d0 += h1 * (5 * r9);
+    d0 += h2 * (5 * r8);
+    d0 += h3 * (5 * r7);
+    d0 += h4 * (5 * r6);
+    c = (d0 >>> 13); d0 &= 0x1fff;
+    d0 += h5 * (5 * r5);
+    d0 += h6 * (5 * r4);
+    d0 += h7 * (5 * r3);
+    d0 += h8 * (5 * r2);
+    d0 += h9 * (5 * r1);
+    c += (d0 >>> 13); d0 &= 0x1fff;
+
+    d1 = c;
+    d1 += h0 * r1;
+    d1 += h1 * r0;
+    d1 += h2 * (5 * r9);
+    d1 += h3 * (5 * r8);
+    d1 += h4 * (5 * r7);
+    c = (d1 >>> 13); d1 &= 0x1fff;
+    d1 += h5 * (5 * r6);
+    d1 += h6 * (5 * r5);
+    d1 += h7 * (5 * r4);
+    d1 += h8 * (5 * r3);
+    d1 += h9 * (5 * r2);
+    c += (d1 >>> 13); d1 &= 0x1fff;
+
+    d2 = c;
+    d2 += h0 * r2;
+    d2 += h1 * r1;
+    d2 += h2 * r0;
+    d2 += h3 * (5 * r9);
+    d2 += h4 * (5 * r8);
+    c = (d2 >>> 13); d2 &= 0x1fff;
+    d2 += h5 * (5 * r7);
+    d2 += h6 * (5 * r6);
+    d2 += h7 * (5 * r5);
+    d2 += h8 * (5 * r4);
+    d2 += h9 * (5 * r3);
+    c += (d2 >>> 13); d2 &= 0x1fff;
+
+    d3 = c;
+    d3 += h0 * r3;
+    d3 += h1 * r2;
+    d3 += h2 * r1;
+    d3 += h3 * r0;
+    d3 += h4 * (5 * r9);
+    c = (d3 >>> 13); d3 &= 0x1fff;
+    d3 += h5 * (5 * r8);
+    d3 += h6 * (5 * r7);
+    d3 += h7 * (5 * r6);
+    d3 += h8 * (5 * r5);
+    d3 += h9 * (5 * r4);
+    c += (d3 >>> 13); d3 &= 0x1fff;
+
+    d4 = c;
+    d4 += h0 * r4;
+    d4 += h1 * r3;
+    d4 += h2 * r2;
+    d4 += h3 * r1;
+    d4 += h4 * r0;
+    c = (d4 >>> 13); d4 &= 0x1fff;
+    d4 += h5 * (5 * r9);
+    d4 += h6 * (5 * r8);
+    d4 += h7 * (5 * r7);
+    d4 += h8 * (5 * r6);
+    d4 += h9 * (5 * r5);
+    c += (d4 >>> 13); d4 &= 0x1fff;
+
+    d5 = c;
+    d5 += h0 * r5;
+    d5 += h1 * r4;
+    d5 += h2 * r3;
+    d5 += h3 * r2;
+    d5 += h4 * r1;
+    c = (d5 >>> 13); d5 &= 0x1fff;
+    d5 += h5 * r0;
+    d5 += h6 * (5 * r9);
+    d5 += h7 * (5 * r8);
+    d5 += h8 * (5 * r7);
+    d5 += h9 * (5 * r6);
+    c += (d5 >>> 13); d5 &= 0x1fff;
+
+    d6 = c;
+    d6 += h0 * r6;
+    d6 += h1 * r5;
+    d6 += h2 * r4;
+    d6 += h3 * r3;
+    d6 += h4 * r2;
+    c = (d6 >>> 13); d6 &= 0x1fff;
+    d6 += h5 * r1;
+    d6 += h6 * r0;
+    d6 += h7 * (5 * r9);
+    d6 += h8 * (5 * r8);
+    d6 += h9 * (5 * r7);
+    c += (d6 >>> 13); d6 &= 0x1fff;
+
+    d7 = c;
+    d7 += h0 * r7;
+    d7 += h1 * r6;
+    d7 += h2 * r5;
+    d7 += h3 * r4;
+    d7 += h4 * r3;
+    c = (d7 >>> 13); d7 &= 0x1fff;
+    d7 += h5 * r2;
+    d7 += h6 * r1;
+    d7 += h7 * r0;
+    d7 += h8 * (5 * r9);
+    d7 += h9 * (5 * r8);
+    c += (d7 >>> 13); d7 &= 0x1fff;
+
+    d8 = c;
+    d8 += h0 * r8;
+    d8 += h1 * r7;
+    d8 += h2 * r6;
+    d8 += h3 * r5;
+    d8 += h4 * r4;
+    c = (d8 >>> 13); d8 &= 0x1fff;
+    d8 += h5 * r3;
+    d8 += h6 * r2;
+    d8 += h7 * r1;
+    d8 += h8 * r0;
+    d8 += h9 * (5 * r9);
+    c += (d8 >>> 13); d8 &= 0x1fff;
+
+    d9 = c;
+    d9 += h0 * r9;
+    d9 += h1 * r8;
+    d9 += h2 * r7;
+    d9 += h3 * r6;
+    d9 += h4 * r5;
+    c = (d9 >>> 13); d9 &= 0x1fff;
+    d9 += h5 * r4;
+    d9 += h6 * r3;
+    d9 += h7 * r2;
+    d9 += h8 * r1;
+    d9 += h9 * r0;
+    c += (d9 >>> 13); d9 &= 0x1fff;
+
+    c = (((c << 2) + c)) | 0;
+    c = (c + d0) | 0;
+    d0 = c & 0x1fff;
+    c = (c >>> 13);
+    d1 += c;
+
+    h0 = d0;
+    h1 = d1;
+    h2 = d2;
+    h3 = d3;
+    h4 = d4;
+    h5 = d5;
+    h6 = d6;
+    h7 = d7;
+    h8 = d8;
+    h9 = d9;
+
+    mpos += 16;
+    bytes -= 16;
+  }
+  this.h[0] = h0;
+  this.h[1] = h1;
+  this.h[2] = h2;
+  this.h[3] = h3;
+  this.h[4] = h4;
+  this.h[5] = h5;
+  this.h[6] = h6;
+  this.h[7] = h7;
+  this.h[8] = h8;
+  this.h[9] = h9;
+};
+
+poly1305.prototype.finish = function(mac, macpos) {
+  var g = new Uint16Array(10);
+  var c, mask, f, i;
+
+  if (this.leftover) {
+    i = this.leftover;
+    this.buffer[i++] = 1;
+    for (; i < 16; i++) this.buffer[i] = 0;
+    this.fin = 1;
+    this.blocks(this.buffer, 0, 16);
+  }
+
+  c = this.h[1] >>> 13;
+  this.h[1] &= 0x1fff;
+  for (i = 2; i < 10; i++) {
+    this.h[i] += c;
+    c = this.h[i] >>> 13;
+    this.h[i] &= 0x1fff;
+  }
+  this.h[0] += (c * 5);
+  c = this.h[0] >>> 13;
+  this.h[0] &= 0x1fff;
+  this.h[1] += c;
+  c = this.h[1] >>> 13;
+  this.h[1] &= 0x1fff;
+  this.h[2] += c;
+
+  g[0] = this.h[0] + 5;
+  c = g[0] >>> 13;
+  g[0] &= 0x1fff;
+  for (i = 1; i < 10; i++) {
+    g[i] = this.h[i] + c;
+    c = g[i] >>> 13;
+    g[i] &= 0x1fff;
+  }
+  g[9] -= (1 << 13);
+
+  mask = (c ^ 1) - 1;
+  for (i = 0; i < 10; i++) g[i] &= mask;
+  mask = ~mask;
+  for (i = 0; i < 10; i++) this.h[i] = (this.h[i] & mask) | g[i];
+
+  this.h[0] = ((this.h[0]       ) | (this.h[1] << 13)                    ) & 0xffff;
+  this.h[1] = ((this.h[1] >>>  3) | (this.h[2] << 10)                    ) & 0xffff;
+  this.h[2] = ((this.h[2] >>>  6) | (this.h[3] <<  7)                    ) & 0xffff;
+  this.h[3] = ((this.h[3] >>>  9) | (this.h[4] <<  4)                    ) & 0xffff;
+  this.h[4] = ((this.h[4] >>> 12) | (this.h[5] <<  1) | (this.h[6] << 14)) & 0xffff;
+  this.h[5] = ((this.h[6] >>>  2) | (this.h[7] << 11)                    ) & 0xffff;
+  this.h[6] = ((this.h[7] >>>  5) | (this.h[8] <<  8)                    ) & 0xffff;
+  this.h[7] = ((this.h[8] >>>  8) | (this.h[9] <<  5)                    ) & 0xffff;
+
+  f = this.h[0] + this.pad[0];
+  this.h[0] = f & 0xffff;
+  for (i = 1; i < 8; i++) {
+    f = (((this.h[i] + this.pad[i]) | 0) + (f >>> 16)) | 0;
+    this.h[i] = f & 0xffff;
+  }
+
+  mac[macpos+ 0] = (this.h[0] >>> 0) & 0xff;
+  mac[macpos+ 1] = (this.h[0] >>> 8) & 0xff;
+  mac[macpos+ 2] = (this.h[1] >>> 0) & 0xff;
+  mac[macpos+ 3] = (this.h[1] >>> 8) & 0xff;
+  mac[macpos+ 4] = (this.h[2] >>> 0) & 0xff;
+  mac[macpos+ 5] = (this.h[2] >>> 8) & 0xff;
+  mac[macpos+ 6] = (this.h[3] >>> 0) & 0xff;
+  mac[macpos+ 7] = (this.h[3] >>> 8) & 0xff;
+  mac[macpos+ 8] = (this.h[4] >>> 0) & 0xff;
+  mac[macpos+ 9] = (this.h[4] >>> 8) & 0xff;
+  mac[macpos+10] = (this.h[5] >>> 0) & 0xff;
+  mac[macpos+11] = (this.h[5] >>> 8) & 0xff;
+  mac[macpos+12] = (this.h[6] >>> 0) & 0xff;
+  mac[macpos+13] = (this.h[6] >>> 8) & 0xff;
+  mac[macpos+14] = (this.h[7] >>> 0) & 0xff;
+  mac[macpos+15] = (this.h[7] >>> 8) & 0xff;
+};
+
+poly1305.prototype.update = function(m, mpos, bytes) {
+  var i, want;
+
+  if (this.leftover) {
+    want = (16 - this.leftover);
+    if (want > bytes)
+      want = bytes;
+    for (i = 0; i < want; i++)
+      this.buffer[this.leftover + i] = m[mpos+i];
+    bytes -= want;
+    mpos += want;
+    this.leftover += want;
+    if (this.leftover < 16)
+      return;
+    this.blocks(this.buffer, 0, 16);
+    this.leftover = 0;
+  }
+
+  if (bytes >= 16) {
+    want = bytes - (bytes % 16);
+    this.blocks(m, mpos, want);
+    mpos += want;
+    bytes -= want;
+  }
+
+  if (bytes) {
+    for (i = 0; i < bytes; i++)
+      this.buffer[this.leftover + i] = m[mpos+i];
+    this.leftover += bytes;
+  }
+};
+
+function crypto_onetimeauth(out, outpos, m, mpos, n, k) {
+  var s = new poly1305(k);
+  s.update(m, mpos, n);
+  s.finish(out, outpos);
+  return 0;
+}
+
+function crypto_onetimeauth_verify(h, hpos, m, mpos, n, k) {
+  var x = new Uint8Array(16);
+  crypto_onetimeauth(x,0,m,mpos,n,k);
+  return crypto_verify_16(h,hpos,x,0);
+}
+
+function crypto_secretbox(c,m,d,n,k) {
+  var i;
+  if (d < 32) return -1;
+  crypto_stream_xor(c,0,m,0,d,n,k);
+  crypto_onetimeauth(c, 16, c, 32, d - 32, c);
+  for (i = 0; i < 16; i++) c[i] = 0;
+  return 0;
+}
+
+function crypto_secretbox_open(m,c,d,n,k) {
+  var i;
+  var x = new Uint8Array(32);
+  if (d < 32) return -1;
+  crypto_stream(x,0,32,n,k);
+  if (crypto_onetimeauth_verify(c, 16,c, 32,d - 32,x) !== 0) return -1;
+  crypto_stream_xor(m,0,c,0,d,n,k);
+  for (i = 0; i < 32; i++) m[i] = 0;
+  return 0;
+}
+
+function set25519(r, a) {
+  var i;
+  for (i = 0; i < 16; i++) r[i] = a[i]|0;
+}
+
+function car25519(o) {
+  var i, v, c = 1;
+  for (i = 0; i < 16; i++) {
+    v = o[i] + c + 65535;
+    c = Math.floor(v / 65536);
+    o[i] = v - c * 65536;
+  }
+  o[0] += c-1 + 37 * (c-1);
+}
+
+function sel25519(p, q, b) {
+  var t, c = ~(b-1);
+  for (var i = 0; i < 16; i++) {
+    t = c & (p[i] ^ q[i]);
+    p[i] ^= t;
+    q[i] ^= t;
+  }
+}
+
+function pack25519(o, n) {
+  var i, j, b;
+  var m = gf(), t = gf();
+  for (i = 0; i < 16; i++) t[i] = n[i];
+  car25519(t);
+  car25519(t);
+  car25519(t);
+  for (j = 0; j < 2; j++) {
+    m[0] = t[0] - 0xffed;
+    for (i = 1; i < 15; i++) {
+      m[i] = t[i] - 0xffff - ((m[i-1]>>16) & 1);
+      m[i-1] &= 0xffff;
+    }
+    m[15] = t[15] - 0x7fff - ((m[14]>>16) & 1);
+    b = (m[15]>>16) & 1;
+    m[14] &= 0xffff;
+    sel25519(t, m, 1-b);
+  }
+  for (i = 0; i < 16; i++) {
+    o[2*i] = t[i] & 0xff;
+    o[2*i+1] = t[i]>>8;
+  }
+}
+
+function neq25519(a, b) {
+  var c = new Uint8Array(32), d = new Uint8Array(32);
+  pack25519(c, a);
+  pack25519(d, b);
+  return crypto_verify_32(c, 0, d, 0);
+}
+
+function par25519(a) {
+  var d = new Uint8Array(32);
+  pack25519(d, a);
+  return d[0] & 1;
+}
+
+function unpack25519(o, n) {
+  var i;
+  for (i = 0; i < 16; i++) o[i] = n[2*i] + (n[2*i+1] << 8);
+  o[15] &= 0x7fff;
+}
+
+function A(o, a, b) {
+  for (var i = 0; i < 16; i++) o[i] = a[i] + b[i];
+}
+
+function Z(o, a, b) {
+  for (var i = 0; i < 16; i++) o[i] = a[i] - b[i];
+}
+
+function M(o, a, b) {
+  var v, c,
+     t0 = 0,  t1 = 0,  t2 = 0,  t3 = 0,  t4 = 0,  t5 = 0,  t6 = 0,  t7 = 0,
+     t8 = 0,  t9 = 0, t10 = 0, t11 = 0, t12 = 0, t13 = 0, t14 = 0, t15 = 0,
+    t16 = 0, t17 = 0, t18 = 0, t19 = 0, t20 = 0, t21 = 0, t22 = 0, t23 = 0,
+    t24 = 0, t25 = 0, t26 = 0, t27 = 0, t28 = 0, t29 = 0, t30 = 0,
+    b0 = b[0],
+    b1 = b[1],
+    b2 = b[2],
+    b3 = b[3],
+    b4 = b[4],
+    b5 = b[5],
+    b6 = b[6],
+    b7 = b[7],
+    b8 = b[8],
+    b9 = b[9],
+    b10 = b[10],
+    b11 = b[11],
+    b12 = b[12],
+    b13 = b[13],
+    b14 = b[14],
+    b15 = b[15];
+
+  v = a[0];
+  t0 += v * b0;
+  t1 += v * b1;
+  t2 += v * b2;
+  t3 += v * b3;
+  t4 += v * b4;
+  t5 += v * b5;
+  t6 += v * b6;
+  t7 += v * b7;
+  t8 += v * b8;
+  t9 += v * b9;
+  t10 += v * b10;
+  t11 += v * b11;
+  t12 += v * b12;
+  t13 += v * b13;
+  t14 += v * b14;
+  t15 += v * b15;
+  v = a[1];
+  t1 += v * b0;
+  t2 += v * b1;
+  t3 += v * b2;
+  t4 += v * b3;
+  t5 += v * b4;
+  t6 += v * b5;
+  t7 += v * b6;
+  t8 += v * b7;
+  t9 += v * b8;
+  t10 += v * b9;
+  t11 += v * b10;
+  t12 += v * b11;
+  t13 += v * b12;
+  t14 += v * b13;
+  t15 += v * b14;
+  t16 += v * b15;
+  v = a[2];
+  t2 += v * b0;
+  t3 += v * b1;
+  t4 += v * b2;
+  t5 += v * b3;
+  t6 += v * b4;
+  t7 += v * b5;
+  t8 += v * b6;
+  t9 += v * b7;
+  t10 += v * b8;
+  t11 += v * b9;
+  t12 += v * b10;
+  t13 += v * b11;
+  t14 += v * b12;
+  t15 += v * b13;
+  t16 += v * b14;
+  t17 += v * b15;
+  v = a[3];
+  t3 += v * b0;
+  t4 += v * b1;
+  t5 += v * b2;
+  t6 += v * b3;
+  t7 += v * b4;
+  t8 += v * b5;
+  t9 += v * b6;
+  t10 += v * b7;
+  t11 += v * b8;
+  t12 += v * b9;
+  t13 += v * b10;
+  t14 += v * b11;
+  t15 += v * b12;
+  t16 += v * b13;
+  t17 += v * b14;
+  t18 += v * b15;
+  v = a[4];
+  t4 += v * b0;
+  t5 += v * b1;
+  t6 += v * b2;
+  t7 += v * b3;
+  t8 += v * b4;
+  t9 += v * b5;
+  t10 += v * b6;
+  t11 += v * b7;
+  t12 += v * b8;
+  t13 += v * b9;
+  t14 += v * b10;
+  t15 += v * b11;
+  t16 += v * b12;
+  t17 += v * b13;
+  t18 += v * b14;
+  t19 += v * b15;
+  v = a[5];
+  t5 += v * b0;
+  t6 += v * b1;
+  t7 += v * b2;
+  t8 += v * b3;
+  t9 += v * b4;
+  t10 += v * b5;
+  t11 += v * b6;
+  t12 += v * b7;
+  t13 += v * b8;
+  t14 += v * b9;
+  t15 += v * b10;
+  t16 += v * b11;
+  t17 += v * b12;
+  t18 += v * b13;
+  t19 += v * b14;
+  t20 += v * b15;
+  v = a[6];
+  t6 += v * b0;
+  t7 += v * b1;
+  t8 += v * b2;
+  t9 += v * b3;
+  t10 += v * b4;
+  t11 += v * b5;
+  t12 += v * b6;
+  t13 += v * b7;
+  t14 += v * b8;
+  t15 += v * b9;
+  t16 += v * b10;
+  t17 += v * b11;
+  t18 += v * b12;
+  t19 += v * b13;
+  t20 += v * b14;
+  t21 += v * b15;
+  v = a[7];
+  t7 += v * b0;
+  t8 += v * b1;
+  t9 += v * b2;
+  t10 += v * b3;
+  t11 += v * b4;
+  t12 += v * b5;
+  t13 += v * b6;
+  t14 += v * b7;
+  t15 += v * b8;
+  t16 += v * b9;
+  t17 += v * b10;
+  t18 += v * b11;
+  t19 += v * b12;
+  t20 += v * b13;
+  t21 += v * b14;
+  t22 += v * b15;
+  v = a[8];
+  t8 += v * b0;
+  t9 += v * b1;
+  t10 += v * b2;
+  t11 += v * b3;
+  t12 += v * b4;
+  t13 += v * b5;
+  t14 += v * b6;
+  t15 += v * b7;
+  t16 += v * b8;
+  t17 += v * b9;
+  t18 += v * b10;
+  t19 += v * b11;
+  t20 += v * b12;
+  t21 += v * b13;
+  t22 += v * b14;
+  t23 += v * b15;
+  v = a[9];
+  t9 += v * b0;
+  t10 += v * b1;
+  t11 += v * b2;
+  t12 += v * b3;
+  t13 += v * b4;
+  t14 += v * b5;
+  t15 += v * b6;
+  t16 += v * b7;
+  t17 += v * b8;
+  t18 += v * b9;
+  t19 += v * b10;
+  t20 += v * b11;
+  t21 += v * b12;
+  t22 += v * b13;
+  t23 += v * b14;
+  t24 += v * b15;
+  v = a[10];
+  t10 += v * b0;
+  t11 += v * b1;
+  t12 += v * b2;
+  t13 += v * b3;
+  t14 += v * b4;
+  t15 += v * b5;
+  t16 += v * b6;
+  t17 += v * b7;
+  t18 += v * b8;
+  t19 += v * b9;
+  t20 += v * b10;
+  t21 += v * b11;
+  t22 += v * b12;
+  t23 += v * b13;
+  t24 += v * b14;
+  t25 += v * b15;
+  v = a[11];
+  t11 += v * b0;
+  t12 += v * b1;
+  t13 += v * b2;
+  t14 += v * b3;
+  t15 += v * b4;
+  t16 += v * b5;
+  t17 += v * b6;
+  t18 += v * b7;
+  t19 += v * b8;
+  t20 += v * b9;
+  t21 += v * b10;
+  t22 += v * b11;
+  t23 += v * b12;
+  t24 += v * b13;
+  t25 += v * b14;
+  t26 += v * b15;
+  v = a[12];
+  t12 += v * b0;
+  t13 += v * b1;
+  t14 += v * b2;
+  t15 += v * b3;
+  t16 += v * b4;
+  t17 += v * b5;
+  t18 += v * b6;
+  t19 += v * b7;
+  t20 += v * b8;
+  t21 += v * b9;
+  t22 += v * b10;
+  t23 += v * b11;
+  t24 += v * b12;
+  t25 += v * b13;
+  t26 += v * b14;
+  t27 += v * b15;
+  v = a[13];
+  t13 += v * b0;
+  t14 += v * b1;
+  t15 += v * b2;
+  t16 += v * b3;
+  t17 += v * b4;
+  t18 += v * b5;
+  t19 += v * b6;
+  t20 += v * b7;
+  t21 += v * b8;
+  t22 += v * b9;
+  t23 += v * b10;
+  t24 += v * b11;
+  t25 += v * b12;
+  t26 += v * b13;
+  t27 += v * b14;
+  t28 += v * b15;
+  v = a[14];
+  t14 += v * b0;
+  t15 += v * b1;
+  t16 += v * b2;
+  t17 += v * b3;
+  t18 += v * b4;
+  t19 += v * b5;
+  t20 += v * b6;
+  t21 += v * b7;
+  t22 += v * b8;
+  t23 += v * b9;
+  t24 += v * b10;
+  t25 += v * b11;
+  t26 += v * b12;
+  t27 += v * b13;
+  t28 += v * b14;
+  t29 += v * b15;
+  v = a[15];
+  t15 += v * b0;
+  t16 += v * b1;
+  t17 += v * b2;
+  t18 += v * b3;
+  t19 += v * b4;
+  t20 += v * b5;
+  t21 += v * b6;
+  t22 += v * b7;
+  t23 += v * b8;
+  t24 += v * b9;
+  t25 += v * b10;
+  t26 += v * b11;
+  t27 += v * b12;
+  t28 += v * b13;
+  t29 += v * b14;
+  t30 += v * b15;
+
+  t0  += 38 * t16;
+  t1  += 38 * t17;
+  t2  += 38 * t18;
+  t3  += 38 * t19;
+  t4  += 38 * t20;
+  t5  += 38 * t21;
+  t6  += 38 * t22;
+  t7  += 38 * t23;
+  t8  += 38 * t24;
+  t9  += 38 * t25;
+  t10 += 38 * t26;
+  t11 += 38 * t27;
+  t12 += 38 * t28;
+  t13 += 38 * t29;
+  t14 += 38 * t30;
+  // t15 left as is
+
+  // first car
+  c = 1;
+  v =  t0 + c + 65535; c = Math.floor(v / 65536);  t0 = v - c * 65536;
+  v =  t1 + c + 65535; c = Math.floor(v / 65536);  t1 = v - c * 65536;
+  v =  t2 + c + 65535; c = Math.floor(v / 65536);  t2 = v - c * 65536;
+  v =  t3 + c + 65535; c = Math.floor(v / 65536);  t3 = v - c * 65536;
+  v =  t4 + c + 65535; c = Math.floor(v / 65536);  t4 = v - c * 65536;
+  v =  t5 + c + 65535; c = Math.floor(v / 65536);  t5 = v - c * 65536;
+  v =  t6 + c + 65535; c = Math.floor(v / 65536);  t6 = v - c * 65536;
+  v =  t7 + c + 65535; c = Math.floor(v / 65536);  t7 = v - c * 65536;
+  v =  t8 + c + 65535; c = Math.floor(v / 65536);  t8 = v - c * 65536;
+  v =  t9 + c + 65535; c = Math.floor(v / 65536);  t9 = v - c * 65536;
+  v = t10 + c + 65535; c = Math.floor(v / 65536); t10 = v - c * 65536;
+  v = t11 + c + 65535; c = Math.floor(v / 65536); t11 = v - c * 65536;
+  v = t12 + c + 65535; c = Math.floor(v / 65536); t12 = v - c * 65536;
+  v = t13 + c + 65535; c = Math.floor(v / 65536); t13 = v - c * 65536;
+  v = t14 + c + 65535; c = Math.floor(v / 65536); t14 = v - c * 65536;
+  v = t15 + c + 65535; c = Math.floor(v / 65536); t15 = v - c * 65536;
+  t0 += c-1 + 37 * (c-1);
+
+  // second car
+  c = 1;
+  v =  t0 + c + 65535; c = Math.floor(v / 65536);  t0 = v - c * 65536;
+  v =  t1 + c + 65535; c = Math.floor(v / 65536);  t1 = v - c * 65536;
+  v =  t2 + c + 65535; c = Math.floor(v / 65536);  t2 = v - c * 65536;
+  v =  t3 + c + 65535; c = Math.floor(v / 65536);  t3 = v - c * 65536;
+  v =  t4 + c + 65535; c = Math.floor(v / 65536);  t4 = v - c * 65536;
+  v =  t5 + c + 65535; c = Math.floor(v / 65536);  t5 = v - c * 65536;
+  v =  t6 + c + 65535; c = Math.floor(v / 65536);  t6 = v - c * 65536;
+  v =  t7 + c + 65535; c = Math.floor(v / 65536);  t7 = v - c * 65536;
+  v =  t8 + c + 65535; c = Math.floor(v / 65536);  t8 = v - c * 65536;
+  v =  t9 + c + 65535; c = Math.floor(v / 65536);  t9 = v - c * 65536;
+  v = t10 + c + 65535; c = Math.floor(v / 65536); t10 = v - c * 65536;
+  v = t11 + c + 65535; c = Math.floor(v / 65536); t11 = v - c * 65536;
+  v = t12 + c + 65535; c = Math.floor(v / 65536); t12 = v - c * 65536;
+  v = t13 + c + 65535; c = Math.floor(v / 65536); t13 = v - c * 65536;
+  v = t14 + c + 65535; c = Math.floor(v / 65536); t14 = v - c * 65536;
+  v = t15 + c + 65535; c = Math.floor(v / 65536); t15 = v - c * 65536;
+  t0 += c-1 + 37 * (c-1);
+
+  o[ 0] = t0;
+  o[ 1] = t1;
+  o[ 2] = t2;
+  o[ 3] = t3;
+  o[ 4] = t4;
+  o[ 5] = t5;
+  o[ 6] = t6;
+  o[ 7] = t7;
+  o[ 8] = t8;
+  o[ 9] = t9;
+  o[10] = t10;
+  o[11] = t11;
+  o[12] = t12;
+  o[13] = t13;
+  o[14] = t14;
+  o[15] = t15;
+}
+
+function S(o, a) {
+  M(o, a, a);
+}
+
+function inv25519(o, i) {
+  var c = gf();
+  var a;
+  for (a = 0; a < 16; a++) c[a] = i[a];
+  for (a = 253; a >= 0; a--) {
+    S(c, c);
+    if(a !== 2 && a !== 4) M(c, c, i);
+  }
+  for (a = 0; a < 16; a++) o[a] = c[a];
+}
+
+function pow2523(o, i) {
+  var c = gf();
+  var a;
+  for (a = 0; a < 16; a++) c[a] = i[a];
+  for (a = 250; a >= 0; a--) {
+      S(c, c);
+      if(a !== 1) M(c, c, i);
+  }
+  for (a = 0; a < 16; a++) o[a] = c[a];
+}
+
+function crypto_scalarmult(q, n, p) {
+  var z = new Uint8Array(32);
+  var x = new Float64Array(80), r, i;
+  var a = gf(), b = gf(), c = gf(),
+      d = gf(), e = gf(), f = gf();
+  for (i = 0; i < 31; i++) z[i] = n[i];
+  z[31]=(n[31]&127)|64;
+  z[0]&=248;
+  unpack25519(x,p);
+  for (i = 0; i < 16; i++) {
+    b[i]=x[i];
+    d[i]=a[i]=c[i]=0;
+  }
+  a[0]=d[0]=1;
+  for (i=254; i>=0; --i) {
+    r=(z[i>>>3]>>>(i&7))&1;
+    sel25519(a,b,r);
+    sel25519(c,d,r);
+    A(e,a,c);
+    Z(a,a,c);
+    A(c,b,d);
+    Z(b,b,d);
+    S(d,e);
+    S(f,a);
+    M(a,c,a);
+    M(c,b,e);
+    A(e,a,c);
+    Z(a,a,c);
+    S(b,a);
+    Z(c,d,f);
+    M(a,c,_121665);
+    A(a,a,d);
+    M(c,c,a);
+    M(a,d,f);
+    M(d,b,x);
+    S(b,e);
+    sel25519(a,b,r);
+    sel25519(c,d,r);
+  }
+  for (i = 0; i < 16; i++) {
+    x[i+16]=a[i];
+    x[i+32]=c[i];
+    x[i+48]=b[i];
+    x[i+64]=d[i];
+  }
+  var x32 = x.subarray(32);
+  var x16 = x.subarray(16);
+  inv25519(x32,x32);
+  M(x16,x16,x32);
+  pack25519(q,x16);
+  return 0;
+}
+
+function crypto_scalarmult_base(q, n) {
+  return crypto_scalarmult(q, n, _9);
+}
+
+function crypto_box_keypair(y, x) {
+  randombytes(x, 32);
+  return crypto_scalarmult_base(y, x);
+}
+
+function crypto_box_beforenm(k, y, x) {
+  var s = new Uint8Array(32);
+  crypto_scalarmult(s, x, y);
+  return crypto_core_hsalsa20(k, _0, s, sigma);
+}
+
+var crypto_box_afternm = crypto_secretbox;
+var crypto_box_open_afternm = crypto_secretbox_open;
+
+function crypto_box(c, m, d, n, y, x) {
+  var k = new Uint8Array(32);
+  crypto_box_beforenm(k, y, x);
+  return crypto_box_afternm(c, m, d, n, k);
+}
+
+function crypto_box_open(m, c, d, n, y, x) {
+  var k = new Uint8Array(32);
+  crypto_box_beforenm(k, y, x);
+  return crypto_box_open_afternm(m, c, d, n, k);
+}
+
+var K = [
+  0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
+  0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
+  0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
+  0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
+  0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
+  0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
+  0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
+  0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
+  0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
+  0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
+  0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
+  0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
+  0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
+  0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
+  0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
+  0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
+  0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
+  0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
+  0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
+  0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
+  0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
+  0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
+  0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
+  0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
+  0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
+  0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
+  0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
+  0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
+  0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
+  0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
+  0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
+  0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
+  0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
+  0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
+  0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
+  0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
+  0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
+  0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
+  0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
+  0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
+];
+
+function crypto_hashblocks_hl(hh, hl, m, n) {
+  var wh = new Int32Array(16), wl = new Int32Array(16),
+      bh0, bh1, bh2, bh3, bh4, bh5, bh6, bh7,
+      bl0, bl1, bl2, bl3, bl4, bl5, bl6, bl7,
+      th, tl, i, j, h, l, a, b, c, d;
+
+  var ah0 = hh[0],
+      ah1 = hh[1],
+      ah2 = hh[2],
+      ah3 = hh[3],
+      ah4 = hh[4],
+      ah5 = hh[5],
+      ah6 = hh[6],
+      ah7 = hh[7],
+
+      al0 = hl[0],
+      al1 = hl[1],
+      al2 = hl[2],
+      al3 = hl[3],
+      al4 = hl[4],
+      al5 = hl[5],
+      al6 = hl[6],
+      al7 = hl[7];
+
+  var pos = 0;
+  while (n >= 128) {
+    for (i = 0; i < 16; i++) {
+      j = 8 * i + pos;
+      wh[i] = (m[j+0] << 24) | (m[j+1] << 16) | (m[j+2] << 8) | m[j+3];
+      wl[i] = (m[j+4] << 24) | (m[j+5] << 16) | (m[j+6] << 8) | m[j+7];
+    }
+    for (i = 0; i < 80; i++) {
+      bh0 = ah0;
+      bh1 = ah1;
+      bh2 = ah2;
+      bh3 = ah3;
+      bh4 = ah4;
+      bh5 = ah5;
+      bh6 = ah6;
+      bh7 = ah7;
+
+      bl0 = al0;
+      bl1 = al1;
+      bl2 = al2;
+      bl3 = al3;
+      bl4 = al4;
+      bl5 = al5;
+      bl6 = al6;
+      bl7 = al7;
+
+      // add
+      h = ah7;
+      l = al7;
+
+      a = l & 0xffff; b = l >>> 16;
+      c = h & 0xffff; d = h >>> 16;
+
+      // Sigma1
+      h = ((ah4 >>> 14) | (al4 << (32-14))) ^ ((ah4 >>> 18) | (al4 << (32-18))) ^ ((al4 >>> (41-32)) | (ah4 << (32-(41-32))));
+      l = ((al4 >>> 14) | (ah4 << (32-14))) ^ ((al4 >>> 18) | (ah4 << (32-18))) ^ ((ah4 >>> (41-32)) | (al4 << (32-(41-32))));
+
+      a += l & 0xffff; b += l >>> 16;
+      c += h & 0xffff; d += h >>> 16;
+
+      // Ch
+      h = (ah4 & ah5) ^ (~ah4 & ah6);
+      l = (al4 & al5) ^ (~al4 & al6);
+
+      a += l & 0xffff; b += l >>> 16;
+      c += h & 0xffff; d += h >>> 16;
+
+      // K
+      h = K[i*2];
+      l = K[i*2+1];
+
+      a += l & 0xffff; b += l >>> 16;
+      c += h & 0xffff; d += h >>> 16;
+
+      // w
+      h = wh[i%16];
+      l = wl[i%16];
+
+      a += l & 0xffff; b += l >>> 16;
+      c += h & 0xffff; d += h >>> 16;
+
+      b += a >>> 16;
+      c += b >>> 16;
+      d += c >>> 16;
+
+      th = c & 0xffff | d << 16;
+      tl = a & 0xffff | b << 16;
+
+      // add
+      h = th;
+      l = tl;
+
+      a = l & 0xffff; b = l >>> 16;
+      c = h & 0xffff; d = h >>> 16;
+
+      // Sigma0
+      h = ((ah0 >>> 28) | (al0 << (32-28))) ^ ((al0 >>> (34-32)) | (ah0 << (32-(34-32)))) ^ ((al0 >>> (39-32)) | (ah0 << (32-(39-32))));
+      l = ((al0 >>> 28) | (ah0 << (32-28))) ^ ((ah0 >>> (34-32)) | (al0 << (32-(34-32)))) ^ ((ah0 >>> (39-32)) | (al0 << (32-(39-32))));
+
+      a += l & 0xffff; b += l >>> 16;
+      c += h & 0xffff; d += h >>> 16;
+
+      // Maj
+      h = (ah0 & ah1) ^ (ah0 & ah2) ^ (ah1 & ah2);
+      l = (al0 & al1) ^ (al0 & al2) ^ (al1 & al2);
+
+      a += l & 0xffff; b += l >>> 16;
+      c += h & 0xffff; d += h >>> 16;
+
+      b += a >>> 16;
+      c += b >>> 16;
+      d += c >>> 16;
+
+      bh7 = (c & 0xffff) | (d << 16);
+      bl7 = (a & 0xffff) | (b << 16);
+
+      // add
+      h = bh3;
+      l = bl3;
+
+      a = l & 0xffff; b = l >>> 16;
+      c = h & 0xffff; d = h >>> 16;
+
+      h = th;
+      l = tl;
+
+      a += l & 0xffff; b += l >>> 16;
+      c += h & 0xffff; d += h >>> 16;
+
+      b += a >>> 16;
+      c += b >>> 16;
+      d += c >>> 16;
+
+      bh3 = (c & 0xffff) | (d << 16);
+      bl3 = (a & 0xffff) | (b << 16);
+
+      ah1 = bh0;
+      ah2 = bh1;
+      ah3 = bh2;
+      ah4 = bh3;
+      ah5 = bh4;
+      ah6 = bh5;
+      ah7 = bh6;
+      ah0 = bh7;
+
+      al1 = bl0;
+      al2 = bl1;
+      al3 = bl2;
+      al4 = bl3;
+      al5 = bl4;
+      al6 = bl5;
+      al7 = bl6;
+      al0 = bl7;
+
+      if (i%16 === 15) {
+        for (j = 0; j < 16; j++) {
+          // add
+          h = wh[j];
+          l = wl[j];
+
+          a = l & 0xffff; b = l >>> 16;
+          c = h & 0xffff; d = h >>> 16;
+
+          h = wh[(j+9)%16];
+          l = wl[(j+9)%16];
+
+          a += l & 0xffff; b += l >>> 16;
+          c += h & 0xffff; d += h >>> 16;
+
+          // sigma0
+          th = wh[(j+1)%16];
+          tl = wl[(j+1)%16];
+          h = ((th >>> 1) | (tl << (32-1))) ^ ((th >>> 8) | (tl << (32-8))) ^ (th >>> 7);
+          l = ((tl >>> 1) | (th << (32-1))) ^ ((tl >>> 8) | (th << (32-8))) ^ ((tl >>> 7) | (th << (32-7)));
+
+          a += l & 0xffff; b += l >>> 16;
+          c += h & 0xffff; d += h >>> 16;
+
+          // sigma1
+          th = wh[(j+14)%16];
+          tl = wl[(j+14)%16];
+          h = ((th >>> 19) | (tl << (32-19))) ^ ((tl >>> (61-32)) | (th << (32-(61-32)))) ^ (th >>> 6);
+          l = ((tl >>> 19) | (th << (32-19))) ^ ((th >>> (61-32)) | (tl << (32-(61-32)))) ^ ((tl >>> 6) | (th << (32-6)));
+
+          a += l & 0xffff; b += l >>> 16;
+          c += h & 0xffff; d += h >>> 16;
+
+          b += a >>> 16;
+          c += b >>> 16;
+          d += c >>> 16;
+
+          wh[j] = (c & 0xffff) | (d << 16);
+          wl[j] = (a & 0xffff) | (b << 16);
+        }
+      }
+    }
+
+    // add
+    h = ah0;
+    l = al0;
+
+    a = l & 0xffff; b = l >>> 16;
+    c = h & 0xffff; d = h >>> 16;
+
+    h = hh[0];
+    l = hl[0];
+
+    a += l & 0xffff; b += l >>> 16;
+    c += h & 0xffff; d += h >>> 16;
+
+    b += a >>> 16;
+    c += b >>> 16;
+    d += c >>> 16;
+
+    hh[0] = ah0 = (c & 0xffff) | (d << 16);
+    hl[0] = al0 = (a & 0xffff) | (b << 16);
+
+    h = ah1;
+    l = al1;
+
+    a = l & 0xffff; b = l >>> 16;
+    c = h & 0xffff; d = h >>> 16;
+
+    h = hh[1];
+    l = hl[1];
+
+    a += l & 0xffff; b += l >>> 16;
+    c += h & 0xffff; d += h >>> 16;
+
+    b += a >>> 16;
+    c += b >>> 16;
+    d += c >>> 16;
+
+    hh[1] = ah1 = (c & 0xffff) | (d << 16);
+    hl[1] = al1 = (a & 0xffff) | (b << 16);
+
+    h = ah2;
+    l = al2;
+
+    a = l & 0xffff; b = l >>> 16;
+    c = h & 0xffff; d = h >>> 16;
+
+    h = hh[2];
+    l = hl[2];
+
+    a += l & 0xffff; b += l >>> 16;
+    c += h & 0xffff; d += h >>> 16;
+
+    b += a >>> 16;
+    c += b >>> 16;
+    d += c >>> 16;
+
+    hh[2] = ah2 = (c & 0xffff) | (d << 16);
+    hl[2] = al2 = (a & 0xffff) | (b << 16);
+
+    h = ah3;
+    l = al3;
+
+    a = l & 0xffff; b = l >>> 16;
+    c = h & 0xffff; d = h >>> 16;
+
+    h = hh[3];
+    l = hl[3];
+
+    a += l & 0xffff; b += l >>> 16;
+    c += h & 0xffff; d += h >>> 16;
+
+    b += a >>> 16;
+    c += b >>> 16;
+    d += c >>> 16;
+
+    hh[3] = ah3 = (c & 0xffff) | (d << 16);
+    hl[3] = al3 = (a & 0xffff) | (b << 16);
+
+    h = ah4;
+    l = al4;
+
+    a = l & 0xffff; b = l >>> 16;
+    c = h & 0xffff; d = h >>> 16;
+
+    h = hh[4];
+    l = hl[4];
+
+    a += l & 0xffff; b += l >>> 16;
+    c += h & 0xffff; d += h >>> 16;
+
+    b += a >>> 16;
+    c += b >>> 16;
+    d += c >>> 16;
+
+    hh[4] = ah4 = (c & 0xffff) | (d << 16);
+    hl[4] = al4 = (a & 0xffff) | (b << 16);
+
+    h = ah5;
+    l = al5;
+
+    a = l & 0xffff; b = l >>> 16;
+    c = h & 0xffff; d = h >>> 16;
+
+    h = hh[5];
+    l = hl[5];
+
+    a += l & 0xffff; b += l >>> 16;
+    c += h & 0xffff; d += h >>> 16;
+
+    b += a >>> 16;
+    c += b >>> 16;
+    d += c >>> 16;
+
+    hh[5] = ah5 = (c & 0xffff) | (d << 16);
+    hl[5] = al5 = (a & 0xffff) | (b << 16);
+
+    h = ah6;
+    l = al6;
+
+    a = l & 0xffff; b = l >>> 16;
+    c = h & 0xffff; d = h >>> 16;
+
+    h = hh[6];
+    l = hl[6];
+
+    a += l & 0xffff; b += l >>> 16;
+    c += h & 0xffff; d += h >>> 16;
+
+    b += a >>> 16;
+    c += b >>> 16;
+    d += c >>> 16;
+
+    hh[6] = ah6 = (c & 0xffff) | (d << 16);
+    hl[6] = al6 = (a & 0xffff) | (b << 16);
+
+    h = ah7;
+    l = al7;
+
+    a = l & 0xffff; b = l >>> 16;
+    c = h & 0xffff; d = h >>> 16;
+
+    h = hh[7];
+    l = hl[7];
+
+    a += l & 0xffff; b += l >>> 16;
+    c += h & 0xffff; d += h >>> 16;
+
+    b += a >>> 16;
+    c += b >>> 16;
+    d += c >>> 16;
+
+    hh[7] = ah7 = (c & 0xffff) | (d << 16);
+    hl[7] = al7 = (a & 0xffff) | (b << 16);
+
+    pos += 128;
+    n -= 128;
+  }
+
+  return n;
+}
+
+function crypto_hash(out, m, n) {
+  var hh = new Int32Array(8),
+      hl = new Int32Array(8),
+      x = new Uint8Array(256),
+      i, b = n;
+
+  hh[0] = 0x6a09e667;
+  hh[1] = 0xbb67ae85;
+  hh[2] = 0x3c6ef372;
+  hh[3] = 0xa54ff53a;
+  hh[4] = 0x510e527f;
+  hh[5] = 0x9b05688c;
+  hh[6] = 0x1f83d9ab;
+  hh[7] = 0x5be0cd19;
+
+  hl[0] = 0xf3bcc908;
+  hl[1] = 0x84caa73b;
+  hl[2] = 0xfe94f82b;
+  hl[3] = 0x5f1d36f1;
+  hl[4] = 0xade682d1;
+  hl[5] = 0x2b3e6c1f;
+  hl[6] = 0xfb41bd6b;
+  hl[7] = 0x137e2179;
+
+  crypto_hashblocks_hl(hh, hl, m, n);
+  n %= 128;
+
+  for (i = 0; i < n; i++) x[i] = m[b-n+i];
+  x[n] = 128;
+
+  n = 256-128*(n<112?1:0);
+  x[n-9] = 0;
+  ts64(x, n-8,  (b / 0x20000000) | 0, b << 3);
+  crypto_hashblocks_hl(hh, hl, x, n);
+
+  for (i = 0; i < 8; i++) ts64(out, 8*i, hh[i], hl[i]);
+
+  return 0;
+}
+
+function add(p, q) {
+  var a = gf(), b = gf(), c = gf(),
+      d = gf(), e = gf(), f = gf(),
+      g = gf(), h = gf(), t = gf();
+
+  Z(a, p[1], p[0]);
+  Z(t, q[1], q[0]);
+  M(a, a, t);
+  A(b, p[0], p[1]);
+  A(t, q[0], q[1]);
+  M(b, b, t);
+  M(c, p[3], q[3]);
+  M(c, c, D2);
+  M(d, p[2], q[2]);
+  A(d, d, d);
+  Z(e, b, a);
+  Z(f, d, c);
+  A(g, d, c);
+  A(h, b, a);
+
+  M(p[0], e, f);
+  M(p[1], h, g);
+  M(p[2], g, f);
+  M(p[3], e, h);
+}
+
+function cswap(p, q, b) {
+  var i;
+  for (i = 0; i < 4; i++) {
+    sel25519(p[i], q[i], b);
+  }
+}
+
+function pack(r, p) {
+  var tx = gf(), ty = gf(), zi = gf();
+  inv25519(zi, p[2]);
+  M(tx, p[0], zi);
+  M(ty, p[1], zi);
+  pack25519(r, ty);
+  r[31] ^= par25519(tx) << 7;
+}
+
+function scalarmult(p, q, s) {
+  var b, i;
+  set25519(p[0], gf0);
+  set25519(p[1], gf1);
+  set25519(p[2], gf1);
+  set25519(p[3], gf0);
+  for (i = 255; i >= 0; --i) {
+    b = (s[(i/8)|0] >> (i&7)) & 1;
+    cswap(p, q, b);
+    add(q, p);
+    add(p, p);
+    cswap(p, q, b);
+  }
+}
+
+function scalarbase(p, s) {
+  var q = [gf(), gf(), gf(), gf()];
+  set25519(q[0], X);
+  set25519(q[1], Y);
+  set25519(q[2], gf1);
+  M(q[3], X, Y);
+  scalarmult(p, q, s);
+}
+
+function crypto_sign_keypair(pk, sk, seeded) {
+  var d = new Uint8Array(64);
+  var p = [gf(), gf(), gf(), gf()];
+  var i;
+
+  if (!seeded) randombytes(sk, 32);
+  crypto_hash(d, sk, 32);
+  d[0] &= 248;
+  d[31] &= 127;
+  d[31] |= 64;
+
+  scalarbase(p, d);
+  pack(pk, p);
+
+  for (i = 0; i < 32; i++) sk[i+32] = pk[i];
+  return 0;
+}
+
+var L = new Float64Array([0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x10]);
+
+function modL(r, x) {
+  var carry, i, j, k;
+  for (i = 63; i >= 32; --i) {
+    carry = 0;
+    for (j = i - 32, k = i - 12; j < k; ++j) {
+      x[j] += carry - 16 * x[i] * L[j - (i - 32)];
+      carry = (x[j] + 128) >> 8;
+      x[j] -= carry * 256;
+    }
+    x[j] += carry;
+    x[i] = 0;
+  }
+  carry = 0;
+  for (j = 0; j < 32; j++) {
+    x[j] += carry - (x[31] >> 4) * L[j];
+    carry = x[j] >> 8;
+    x[j] &= 255;
+  }
+  for (j = 0; j < 32; j++) x[j] -= carry * L[j];
+  for (i = 0; i < 32; i++) {
+    x[i+1] += x[i] >> 8;
+    r[i] = x[i] & 255;
+  }
+}
+
+function reduce(r) {
+  var x = new Float64Array(64), i;
+  for (i = 0; i < 64; i++) x[i] = r[i];
+  for (i = 0; i < 64; i++) r[i] = 0;
+  modL(r, x);
+}
+
+// Note: difference from C - smlen returned, not passed as argument.
+function crypto_sign(sm, m, n, sk) {
+  var d = new Uint8Array(64), h = new Uint8Array(64), r = new Uint8Array(64);
+  var i, j, x = new Float64Array(64);
+  var p = [gf(), gf(), gf(), gf()];
+
+  crypto_hash(d, sk, 32);
+  d[0] &= 248;
+  d[31] &= 127;
+  d[31] |= 64;
+
+  var smlen = n + 64;
+  for (i = 0; i < n; i++) sm[64 + i] = m[i];
+  for (i = 0; i < 32; i++) sm[32 + i] = d[32 + i];
+
+  crypto_hash(r, sm.subarray(32), n+32);
+  reduce(r);
+  scalarbase(p, r);
+  pack(sm, p);
+
+  for (i = 32; i < 64; i++) sm[i] = sk[i];
+  crypto_hash(h, sm, n + 64);
+  reduce(h);
+
+  for (i = 0; i < 64; i++) x[i] = 0;
+  for (i = 0; i < 32; i++) x[i] = r[i];
+  for (i = 0; i < 32; i++) {
+    for (j = 0; j < 32; j++) {
+      x[i+j] += h[i] * d[j];
+    }
+  }
+
+  modL(sm.subarray(32), x);
+  return smlen;
+}
+
+function unpackneg(r, p) {
+  var t = gf(), chk = gf(), num = gf(),
+      den = gf(), den2 = gf(), den4 = gf(),
+      den6 = gf();
+
+  set25519(r[2], gf1);
+  unpack25519(r[1], p);
+  S(num, r[1]);
+  M(den, num, D);
+  Z(num, num, r[2]);
+  A(den, r[2], den);
+
+  S(den2, den);
+  S(den4, den2);
+  M(den6, den4, den2);
+  M(t, den6, num);
+  M(t, t, den);
+
+  pow2523(t, t);
+  M(t, t, num);
+  M(t, t, den);
+  M(t, t, den);
+  M(r[0], t, den);
+
+  S(chk, r[0]);
+  M(chk, chk, den);
+  if (neq25519(chk, num)) M(r[0], r[0], I);
+
+  S(chk, r[0]);
+  M(chk, chk, den);
+  if (neq25519(chk, num)) return -1;
+
+  if (par25519(r[0]) === (p[31]>>7)) Z(r[0], gf0, r[0]);
+
+  M(r[3], r[0], r[1]);
+  return 0;
+}
+
+function crypto_sign_open(m, sm, n, pk) {
+  var i, mlen;
+  var t = new Uint8Array(32), h = new Uint8Array(64);
+  var p = [gf(), gf(), gf(), gf()],
+      q = [gf(), gf(), gf(), gf()];
+
+  mlen = -1;
+  if (n < 64) return -1;
+
+  if (unpackneg(q, pk)) return -1;
+
+  for (i = 0; i < n; i++) m[i] = sm[i];
+  for (i = 0; i < 32; i++) m[i+32] = pk[i];
+  crypto_hash(h, m, n);
+  reduce(h);
+  scalarmult(p, q, h);
+
+  scalarbase(q, sm.subarray(32));
+  add(p, q);
+  pack(t, p);
+
+  n -= 64;
+  if (crypto_verify_32(sm, 0, t, 0)) {
+    for (i = 0; i < n; i++) m[i] = 0;
+    return -1;
+  }
+
+  for (i = 0; i < n; i++) m[i] = sm[i + 64];
+  mlen = n;
+  return mlen;
+}
+
+var crypto_secretbox_KEYBYTES = 32,
+    crypto_secretbox_NONCEBYTES = 24,
+    crypto_secretbox_ZEROBYTES = 32,
+    crypto_secretbox_BOXZEROBYTES = 16,
+    crypto_scalarmult_BYTES = 32,
+    crypto_scalarmult_SCALARBYTES = 32,
+    crypto_box_PUBLICKEYBYTES = 32,
+    crypto_box_SECRETKEYBYTES = 32,
+    crypto_box_BEFORENMBYTES = 32,
+    crypto_box_NONCEBYTES = crypto_secretbox_NONCEBYTES,
+    crypto_box_ZEROBYTES = crypto_secretbox_ZEROBYTES,
+    crypto_box_BOXZEROBYTES = crypto_secretbox_BOXZEROBYTES,
+    crypto_sign_BYTES = 64,
+    crypto_sign_PUBLICKEYBYTES = 32,
+    crypto_sign_SECRETKEYBYTES = 64,
+    crypto_sign_SEEDBYTES = 32,
+    crypto_hash_BYTES = 64;
+
+nacl.lowlevel = {
+  crypto_core_hsalsa20: crypto_core_hsalsa20,
+  crypto_stream_xor: crypto_stream_xor,
+  crypto_stream: crypto_stream,
+  crypto_stream_salsa20_xor: crypto_stream_salsa20_xor,
+  crypto_stream_salsa20: crypto_stream_salsa20,
+  crypto_onetimeauth: crypto_onetimeauth,
+  crypto_onetimeauth_verify: crypto_onetimeauth_verify,
+  crypto_verify_16: crypto_verify_16,
+  crypto_verify_32: crypto_verify_32,
+  crypto_secretbox: crypto_secretbox,
+  crypto_secretbox_open: crypto_secretbox_open,
+  crypto_scalarmult: crypto_scalarmult,
+  crypto_scalarmult_base: crypto_scalarmult_base,
+  crypto_box_beforenm: crypto_box_beforenm,
+  crypto_box_afternm: crypto_box_afternm,
+  crypto_box: crypto_box,
+  crypto_box_open: crypto_box_open,
+  crypto_box_keypair: crypto_box_keypair,
+  crypto_hash: crypto_hash,
+  crypto_sign: crypto_sign,
+  crypto_sign_keypair: crypto_sign_keypair,
+  crypto_sign_open: crypto_sign_open,
+
+  crypto_secretbox_KEYBYTES: crypto_secretbox_KEYBYTES,
+  crypto_secretbox_NONCEBYTES: crypto_secretbox_NONCEBYTES,
+  crypto_secretbox_ZEROBYTES: crypto_secretbox_ZEROBYTES,
+  crypto_secretbox_BOXZEROBYTES: crypto_secretbox_BOXZEROBYTES,
+  crypto_scalarmult_BYTES: crypto_scalarmult_BYTES,
+  crypto_scalarmult_SCALARBYTES: crypto_scalarmult_SCALARBYTES,
+  crypto_box_PUBLICKEYBYTES: crypto_box_PUBLICKEYBYTES,
+  crypto_box_SECRETKEYBYTES: crypto_box_SECRETKEYBYTES,
+  crypto_box_BEFORENMBYTES: crypto_box_BEFORENMBYTES,
+  crypto_box_NONCEBYTES: crypto_box_NONCEBYTES,
+  crypto_box_ZEROBYTES: crypto_box_ZEROBYTES,
+  crypto_box_BOXZEROBYTES: crypto_box_BOXZEROBYTES,
+  crypto_sign_BYTES: crypto_sign_BYTES,
+  crypto_sign_PUBLICKEYBYTES: crypto_sign_PUBLICKEYBYTES,
+  crypto_sign_SECRETKEYBYTES: crypto_sign_SECRETKEYBYTES,
+  crypto_sign_SEEDBYTES: crypto_sign_SEEDBYTES,
+  crypto_hash_BYTES: crypto_hash_BYTES
+};
+
+/* High-level API */
+
+function checkLengths(k, n) {
+  if (k.length !== crypto_secretbox_KEYBYTES) throw new Error('bad key size');
+  if (n.length !== crypto_secretbox_NONCEBYTES) throw new Error('bad nonce size');
+}
+
+function checkBoxLengths(pk, sk) {
+  if (pk.length !== crypto_box_PUBLICKEYBYTES) throw new Error('bad public key size');
+  if (sk.length !== crypto_box_SECRETKEYBYTES) throw new Error('bad secret key size');
+}
+
+function checkArrayTypes() {
+  var t, i;
+  for (i = 0; i < arguments.length; i++) {
+     if ((t = Object.prototype.toString.call(arguments[i])) !== '[object Uint8Array]')
+       throw new TypeError('unexpected type ' + t + ', use Uint8Array');
+  }
+}
+
+function cleanup(arr) {
+  for (var i = 0; i < arr.length; i++) arr[i] = 0;
+}
+
+// TODO: Completely remove this in v0.15.
+if (!nacl.util) {
+  nacl.util = {};
+  nacl.util.decodeUTF8 = nacl.util.encodeUTF8 = nacl.util.encodeBase64 = nacl.util.decodeBase64 = function() {
+    throw new Error('nacl.util moved into separate package: https://github.com/dchest/tweetnacl-util-js');
+  };
+}
+
+nacl.randomBytes = function(n) {
+  var b = new Uint8Array(n);
+  randombytes(b, n);
+  return b;
+};
+
+nacl.secretbox = function(msg, nonce, key) {
+  checkArrayTypes(msg, nonce, key);
+  checkLengths(key, nonce);
+  var m = new Uint8Array(crypto_secretbox_ZEROBYTES + msg.length);
+  var c = new Uint8Array(m.length);
+  for (var i = 0; i < msg.length; i++) m[i+crypto_secretbox_ZEROBYTES] = msg[i];
+  crypto_secretbox(c, m, m.length, nonce, key);
+  return c.subarray(crypto_secretbox_BOXZEROBYTES);
+};
+
+nacl.secretbox.open = function(box, nonce, key) {
+  checkArrayTypes(box, nonce, key);
+  checkLengths(key, nonce);
+  var c = new Uint8Array(crypto_secretbox_BOXZEROBYTES + box.length);
+  var m = new Uint8Array(c.length);
+  for (var i = 0; i < box.length; i++) c[i+crypto_secretbox_BOXZEROBYTES] = box[i];
+  if (c.length < 32) return false;
+  if (crypto_secretbox_open(m, c, c.length, nonce, key) !== 0) return false;
+  return m.subarray(crypto_secretbox_ZEROBYTES);
+};
+
+nacl.secretbox.keyLength = crypto_secretbox_KEYBYTES;
+nacl.secretbox.nonceLength = crypto_secretbox_NONCEBYTES;
+nacl.secretbox.overheadLength = crypto_secretbox_BOXZEROBYTES;
+
+nacl.scalarMult = function(n, p) {
+  checkArrayTypes(n, p);
+  if (n.length !== crypto_scalarmult_SCALARBYTES) throw new Error('bad n size');
+  if (p.length !== crypto_scalarmult_BYTES) throw new Error('bad p size');
+  var q = new Uint8Array(crypto_scalarmult_BYTES);
+  crypto_scalarmult(q, n, p);
+  return q;
+};
+
+nacl.scalarMult.base = function(n) {
+  checkArrayTypes(n);
+  if (n.length !== crypto_scalarmult_SCALARBYTES) throw new Error('bad n size');
+  var q = new Uint8Array(crypto_scalarmult_BYTES);
+  crypto_scalarmult_base(q, n);
+  return q;
+};
+
+nacl.scalarMult.scalarLength = crypto_scalarmult_SCALARBYTES;
+nacl.scalarMult.groupElementLength = crypto_scalarmult_BYTES;
+
+nacl.box = function(msg, nonce, publicKey, secretKey) {
+  var k = nacl.box.before(publicKey, secretKey);
+  return nacl.secretbox(msg, nonce, k);
+};
+
+nacl.box.before = function(publicKey, secretKey) {
+  checkArrayTypes(publicKey, secretKey);
+  checkBoxLengths(publicKey, secretKey);
+  var k = new Uint8Array(crypto_box_BEFORENMBYTES);
+  crypto_box_beforenm(k, publicKey, secretKey);
+  return k;
+};
+
+nacl.box.after = nacl.secretbox;
+
+nacl.box.open = function(msg, nonce, publicKey, secretKey) {
+  var k = nacl.box.before(publicKey, secretKey);
+  return nacl.secretbox.open(msg, nonce, k);
+};
+
+nacl.box.open.after = nacl.secretbox.open;
+
+nacl.box.keyPair = function() {
+  var pk = new Uint8Array(crypto_box_PUBLICKEYBYTES);
+  var sk = new Uint8Array(crypto_box_SECRETKEYBYTES);
+  crypto_box_keypair(pk, sk);
+  return {publicKey: pk, secretKey: sk};
+};
+
+nacl.box.keyPair.fromSecretKey = function(secretKey) {
+  checkArrayTypes(secretKey);
+  if (secretKey.length !== crypto_box_SECRETKEYBYTES)
+    throw new Error('bad secret key size');
+  var pk = new Uint8Array(crypto_box_PUBLICKEYBYTES);
+  crypto_scalarmult_base(pk, secretKey);
+  return {publicKey: pk, secretKey: new Uint8Array(secretKey)};
+};
+
+nacl.box.publicKeyLength = crypto_box_PUBLICKEYBYTES;
+nacl.box.secretKeyLength = crypto_box_SECRETKEYBYTES;
+nacl.box.sharedKeyLength = crypto_box_BEFORENMBYTES;
+nacl.box.nonceLength = crypto_box_NONCEBYTES;
+nacl.box.overheadLength = nacl.secretbox.overheadLength;
+
+nacl.sign = function(msg, secretKey) {
+  checkArrayTypes(msg, secretKey);
+  if (secretKey.length !== crypto_sign_SECRETKEYBYTES)
+    throw new Error('bad secret key size');
+  var signedMsg = new Uint8Array(crypto_sign_BYTES+msg.length);
+  crypto_sign(signedMsg, msg, msg.length, secretKey);
+  return signedMsg;
+};
+
+nacl.sign.open = function(signedMsg, publicKey) {
+  if (arguments.length !== 2)
+    throw new Error('nacl.sign.open accepts 2 arguments; did you mean to use nacl.sign.detached.verify?');
+  checkArrayTypes(signedMsg, publicKey);
+  if (publicKey.length !== crypto_sign_PUBLICKEYBYTES)
+    throw new Error('bad public key size');
+  var tmp = new Uint8Array(signedMsg.length);
+  var mlen = crypto_sign_open(tmp, signedMsg, signedMsg.length, publicKey);
+  if (mlen < 0) return null;
+  var m = new Uint8Array(mlen);
+  for (var i = 0; i < m.length; i++) m[i] = tmp[i];
+  return m;
+};
+
+nacl.sign.detached = function(msg, secretKey) {
+  var signedMsg = nacl.sign(msg, secretKey);
+  var sig = new Uint8Array(crypto_sign_BYTES);
+  for (var i = 0; i < sig.length; i++) sig[i] = signedMsg[i];
+  return sig;
+};
+
+nacl.sign.detached.verify = function(msg, sig, publicKey) {
+  checkArrayTypes(msg, sig, publicKey);
+  if (sig.length !== crypto_sign_BYTES)
+    throw new Error('bad signature size');
+  if (publicKey.length !== crypto_sign_PUBLICKEYBYTES)
+    throw new Error('bad public key size');
+  var sm = new Uint8Array(crypto_sign_BYTES + msg.length);
+  var m = new Uint8Array(crypto_sign_BYTES + msg.length);
+  var i;
+  for (i = 0; i < crypto_sign_BYTES; i++) sm[i] = sig[i];
+  for (i = 0; i < msg.length; i++) sm[i+crypto_sign_BYTES] = msg[i];
+  return (crypto_sign_open(m, sm, sm.length, publicKey) >= 0);
+};
+
+nacl.sign.keyPair = function() {
+  var pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES);
+  var sk = new Uint8Array(crypto_sign_SECRETKEYBYTES);
+  crypto_sign_keypair(pk, sk);
+  return {publicKey: pk, secretKey: sk};
+};
+
+nacl.sign.keyPair.fromSecretKey = function(secretKey) {
+  checkArrayTypes(secretKey);
+  if (secretKey.length !== crypto_sign_SECRETKEYBYTES)
+    throw new Error('bad secret key size');
+  var pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES);
+  for (var i = 0; i < pk.length; i++) pk[i] = secretKey[32+i];
+  return {publicKey: pk, secretKey: new Uint8Array(secretKey)};
+};
+
+nacl.sign.keyPair.fromSeed = function(seed) {
+  checkArrayTypes(seed);
+  if (seed.length !== crypto_sign_SEEDBYTES)
+    throw new Error('bad seed size');
+  var pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES);
+  var sk = new Uint8Array(crypto_sign_SECRETKEYBYTES);
+  for (var i = 0; i < 32; i++) sk[i] = seed[i];
+  crypto_sign_keypair(pk, sk, true);
+  return {publicKey: pk, secretKey: sk};
+};
+
+nacl.sign.publicKeyLength = crypto_sign_PUBLICKEYBYTES;
+nacl.sign.secretKeyLength = crypto_sign_SECRETKEYBYTES;
+nacl.sign.seedLength = crypto_sign_SEEDBYTES;
+nacl.sign.signatureLength = crypto_sign_BYTES;
+
+nacl.hash = function(msg) {
+  checkArrayTypes(msg);
+  var h = new Uint8Array(crypto_hash_BYTES);
+  crypto_hash(h, msg, msg.length);
+  return h;
+};
+
+nacl.hash.hashLength = crypto_hash_BYTES;
+
+nacl.verify = function(x, y) {
+  checkArrayTypes(x, y);
+  // Zero length arguments are considered not equal.
+  if (x.length === 0 || y.length === 0) return false;
+  if (x.length !== y.length) return false;
+  return (vn(x, 0, y, 0, x.length) === 0) ? true : false;
+};
+
+nacl.setPRNG = function(fn) {
+  randombytes = fn;
+};
+
+(function() {
+  // Initialize PRNG if environment provides CSPRNG.
+  // If not, methods calling randombytes will throw.
+  var crypto = typeof self !== 'undefined' ? (self.crypto || self.msCrypto) : null;
+  if (crypto && crypto.getRandomValues) {
+    // Browsers.
+    var QUOTA = 65536;
+    nacl.setPRNG(function(x, n) {
+      var i, v = new Uint8Array(n);
+      for (i = 0; i < n; i += QUOTA) {
+        crypto.getRandomValues(v.subarray(i, i + Math.min(n - i, QUOTA)));
+      }
+      for (i = 0; i < n; i++) x[i] = v[i];
+      cleanup(v);
+    });
+  } else if (typeof require !== 'undefined') {
+    // Node.js.
+    crypto = require('crypto');
+    if (crypto && crypto.randomBytes) {
+      nacl.setPRNG(function(x, n) {
+        var i, v = crypto.randomBytes(n);
+        for (i = 0; i < n; i++) x[i] = v[i];
+        cleanup(v);
+      });
+    }
+  }
+})();
+
+})(typeof module !== 'undefined' && module.exports ? module.exports : (self.nacl = self.nacl || {}));
diff --git a/node_modules/tweetnacl/nacl-fast.min.js b/node_modules/tweetnacl/nacl-fast.min.js
new file mode 100644
index 000000000..8bc47daa0
--- /dev/null
+++ b/node_modules/tweetnacl/nacl-fast.min.js
@@ -0,0 +1,2 @@
+!function(r){"use strict";function t(r,t,n,e){r[t]=n>>24&255,r[t+1]=n>>16&255,r[t+2]=n>>8&255,r[t+3]=255&n,r[t+4]=e>>24&255,r[t+5]=e>>16&255,r[t+6]=e>>8&255,r[t+7]=255&e}function n(r,t,n,e,o){var i,h=0;for(i=0;i<o;i++)h|=r[t+i]^n[e+i];return(1&h-1>>>8)-1}function e(r,t,e,o){return n(r,t,e,o,16)}function o(r,t,e,o){return n(r,t,e,o,32)}function i(r,t,n,e){for(var 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B(r,t){m(r,t,t)}function S(r,t){var n,e=$();for(n=0;n<16;n++)e[n]=t[n];for(n=253;n>=0;n--)B(e,e),2!==n&&4!==n&&m(e,e,t);for(n=0;n<16;n++)r[n]=e[n]}function K(r,t){var n,e=$();for(n=0;n<16;n++)e[n]=t[n];for(n=250;n>=0;n--)B(e,e),1!==n&&m(e,e,t);for(n=0;n<16;n++)r[n]=e[n]}function T(r,t,n){var e,o,i=new Uint8Array(32),h=new Float64Array(80),a=$(),f=$(),s=$(),c=$(),u=$(),y=$();for(o=0;o<31;o++)i[o]=t[o];for(i[31]=127&t[31]|64,i[0]&=248,E(h,n),o=0;o<16;o++)f[o]=h[o],c[o]=a[o]=s[o]=0;for(a[0]=c[0]=1,o=254;o>=0;--o)e=i[o>>>3]>>>(7&o)&1,_(a,f,e),_(s,c,e),x(u,a,s),M(a,a,s),x(s,f,c),M(f,f,c),B(c,u),B(y,a),m(a,s,a),m(s,f,u),x(u,a,s),M(a,a,s),B(f,a),M(s,c,y),m(a,s,ir),x(a,a,c),m(s,s,a),m(a,c,y),m(c,f,h),B(f,u),_(a,f,e),_(s,c,e);for(o=0;o<16;o++)h[o+16]=a[o],h[o+32]=s[o],h[o+48]=f[o],h[o+64]=c[o];var l=h.subarray(32),w=h.subarray(16);return S(l,l),m(w,w,l),A(r,w),0}function Y(r,t){return T(r,t,nr)}function k(r,t){return rr(t,32),Y(r,t)}function L(r,t,n){var e=new Uint8Array(32);return T(e,n,t),f(r,tr,e,ur)}function z(r,t,n,e,o,i){var h=new Uint8Array(32);return L(h,o,i),lr(r,t,n,e,h)}function R(r,t,n,e,o,i){var h=new Uint8Array(32);return L(h,o,i),wr(r,t,n,e,h)}function P(r,t,n,e){for(var o,i,h,a,f,s,c,u,y,l,w,p,v,b,g,_,A,d,U,E,x,M,m,B,S,K,T=new Int32Array(16),Y=new Int32Array(16),k=r[0],L=r[1],z=r[2],R=r[3],P=r[4],O=r[5],N=r[6],C=r[7],F=t[0],I=t[1],G=t[2],Z=t[3],j=t[4],q=t[5],V=t[6],X=t[7],D=0;e>=128;){for(U=0;U<16;U++)E=8*U+D,T[U]=n[E+0]<<24|n[E+1]<<16|n[E+2]<<8|n[E+3],Y[U]=n[E+4]<<24|n[E+5]<<16|n[E+6]<<8|n[E+7];for(U=0;U<80;U++)if(o=k,i=L,h=z,a=R,f=P,s=O,c=N,u=C,y=F,l=I,w=G,p=Z,v=j,b=q,g=V,_=X,x=C,M=X,m=65535&M,B=M>>>16,S=65535&x,K=x>>>16,x=(P>>>14|j<<18)^(P>>>18|j<<14)^(j>>>9|P<<23),M=(j>>>14|P<<18)^(j>>>18|P<<14)^(P>>>9|j<<23),m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,x=P&O^~P&N,M=j&q^~j&V,m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,x=pr[2*U],M=pr[2*U+1],m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,x=T[U%16],M=Y[U%16],m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,B+=m>>>16,S+=B>>>16,K+=S>>>16,A=65535&S|K<<16,d=65535&m|B<<16,x=A,M=d,m=65535&M,B=M>>>16,S=65535&x,K=x>>>16,x=(k>>>28|F<<4)^(F>>>2|k<<30)^(F>>>7|k<<25),M=(F>>>28|k<<4)^(k>>>2|F<<30)^(k>>>7|F<<25),m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,x=k&L^k&z^L&z,M=F&I^F&G^I&G,m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,B+=m>>>16,S+=B>>>16,K+=S>>>16,u=65535&S|K<<16,_=65535&m|B<<16,x=a,M=p,m=65535&M,B=M>>>16,S=65535&x,K=x>>>16,x=A,M=d,m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,B+=m>>>16,S+=B>>>16,K+=S>>>16,a=65535&S|K<<16,p=65535&m|B<<16,L=o,z=i,R=h,P=a,O=f,N=s,C=c,k=u,I=y,G=l,Z=w,j=p,q=v,V=b,X=g,F=_,U%16===15)for(E=0;E<16;E++)x=T[E],M=Y[E],m=65535&M,B=M>>>16,S=65535&x,K=x>>>16,x=T[(E+9)%16],M=Y[(E+9)%16],m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,A=T[(E+1)%16],d=Y[(E+1)%16],x=(A>>>1|d<<31)^(A>>>8|d<<24)^A>>>7,M=(d>>>1|A<<31)^(d>>>8|A<<24)^(d>>>7|A<<25),m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,A=T[(E+14)%16],d=Y[(E+14)%16],x=(A>>>19|d<<13)^(d>>>29|A<<3)^A>>>6,M=(d>>>19|A<<13)^(A>>>29|d<<3)^(d>>>6|A<<26),m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,B+=m>>>16,S+=B>>>16,K+=S>>>16,T[E]=65535&S|K<<16,Y[E]=65535&m|B<<16;x=k,M=F,m=65535&M,B=M>>>16,S=65535&x,K=x>>>16,x=r[0],M=t[0],m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,B+=m>>>16,S+=B>>>16,K+=S>>>16,r[0]=k=65535&S|K<<16,t[0]=F=65535&m|B<<16,x=L,M=I,m=65535&M,B=M>>>16,S=65535&x,K=x>>>16,x=r[1],M=t[1],m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,B+=m>>>16,S+=B>>>16,K+=S>>>16,r[1]=L=65535&S|K<<16,t[1]=I=65535&m|B<<16,x=z,M=G,m=65535&M,B=M>>>16,S=65535&x,K=x>>>16,x=r[2],M=t[2],m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,B+=m>>>16,S+=B>>>16,K+=S>>>16,r[2]=z=65535&S|K<<16,t[2]=G=65535&m|B<<16,x=R,M=Z,m=65535&M,B=M>>>16,S=65535&x,K=x>>>16,x=r[3],M=t[3],m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,B+=m>>>16,S+=B>>>16,K+=S>>>16,r[3]=R=65535&S|K<<16,t[3]=Z=65535&m|B<<16,x=P,M=j,m=65535&M,B=M>>>16,S=65535&x,K=x>>>16,x=r[4],M=t[4],m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,B+=m>>>16,S+=B>>>16,K+=S>>>16,r[4]=P=65535&S|K<<16,t[4]=j=65535&m|B<<16,x=O,M=q,m=65535&M,B=M>>>16,S=65535&x,K=x>>>16,x=r[5],M=t[5],m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,B+=m>>>16,S+=B>>>16,K+=S>>>16,r[5]=O=65535&S|K<<16,t[5]=q=65535&m|B<<16,x=N,M=V,m=65535&M,B=M>>>16,S=65535&x,K=x>>>16,x=r[6],M=t[6],m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,B+=m>>>16,S+=B>>>16,K+=S>>>16,r[6]=N=65535&S|K<<16,t[6]=V=65535&m|B<<16,x=C,M=X,m=65535&M,B=M>>>16,S=65535&x,K=x>>>16,x=r[7],M=t[7],m+=65535&M,B+=M>>>16,S+=65535&x,K+=x>>>16,B+=m>>>16,S+=B>>>16,K+=S>>>16,r[7]=C=65535&S|K<<16,t[7]=X=65535&m|B<<16,D+=128,e-=128}return e}function O(r,n,e){var o,i=new Int32Array(8),h=new Int32Array(8),a=new Uint8Array(256),f=e;for(i[0]=1779033703,i[1]=3144134277,i[2]=1013904242,i[3]=2773480762,i[4]=1359893119,i[5]=2600822924,i[6]=528734635,i[7]=1541459225,h[0]=4089235720,h[1]=2227873595,h[2]=4271175723,h[3]=1595750129,h[4]=2917565137,h[5]=725511199,h[6]=4215389547,h[7]=327033209,P(i,h,n,e),e%=128,o=0;o<e;o++)a[o]=n[f-e+o];for(a[e]=128,e=256-128*(e<112?1:0),a[e-9]=0,t(a,e-8,f/536870912|0,f<<3),P(i,h,a,e),o=0;o<8;o++)t(r,8*o,i[o],h[o]);return 0}function N(r,t){var n=$(),e=$(),o=$(),i=$(),h=$(),a=$(),f=$(),s=$(),c=$();M(n,r[1],r[0]),M(c,t[1],t[0]),m(n,n,c),x(e,r[0],r[1]),x(c,t[0],t[1]),m(e,e,c),m(o,r[3],t[3]),m(o,o,ar),m(i,r[2],t[2]),x(i,i,i),M(h,e,n),M(a,i,o),x(f,i,o),x(s,e,n),m(r[0],h,a),m(r[1],s,f),m(r[2],f,a),m(r[3],h,s)}function C(r,t,n){var e;for(e=0;e<4;e++)_(r[e],t[e],n)}function F(r,t){var n=$(),e=$(),o=$();S(o,t[2]),m(n,t[0],o),m(e,t[1],o),A(r,e),r[31]^=U(n)<<7}function I(r,t,n){var e,o;for(b(r[0],er),b(r[1],or),b(r[2],or),b(r[3],er),o=255;o>=0;--o)e=n[o/8|0]>>(7&o)&1,C(r,t,e),N(t,r),N(r,r),C(r,t,e)}function G(r,t){var n=[$(),$(),$(),$()];b(n[0],fr),b(n[1],sr),b(n[2],or),m(n[3],fr,sr),I(r,n,t)}function Z(r,t,n){var e,o=new Uint8Array(64),i=[$(),$(),$(),$()];for(n||rr(t,32),O(o,t,32),o[0]&=248,o[31]&=127,o[31]|=64,G(i,o),F(r,i),e=0;e<32;e++)t[e+32]=r[e];return 0}function j(r,t){var n,e,o,i;for(e=63;e>=32;--e){for(n=0,o=e-32,i=e-12;o<i;++o)t[o]+=n-16*t[e]*vr[o-(e-32)],n=t[o]+128>>8,t[o]-=256*n;t[o]+=n,t[e]=0}for(n=0,o=0;o<32;o++)t[o]+=n-(t[31]>>4)*vr[o],n=t[o]>>8,t[o]&=255;for(o=0;o<32;o++)t[o]-=n*vr[o];for(e=0;e<32;e++)t[e+1]+=t[e]>>8,r[e]=255&t[e]}function q(r){var t,n=new Float64Array(64);for(t=0;t<64;t++)n[t]=r[t];for(t=0;t<64;t++)r[t]=0;j(r,n)}function V(r,t,n,e){var o,i,h=new Uint8Array(64),a=new Uint8Array(64),f=new Uint8Array(64),s=new Float64Array(64),c=[$(),$(),$(),$()];O(h,e,32),h[0]&=248,h[31]&=127,h[31]|=64;var u=n+64;for(o=0;o<n;o++)r[64+o]=t[o];for(o=0;o<32;o++)r[32+o]=h[32+o];for(O(f,r.subarray(32),n+32),q(f),G(c,f),F(r,c),o=32;o<64;o++)r[o]=e[o];for(O(a,r,n+64),q(a),o=0;o<64;o++)s[o]=0;for(o=0;o<32;o++)s[o]=f[o];for(o=0;o<32;o++)for(i=0;i<32;i++)s[o+i]+=a[o]*h[i];return j(r.subarray(32),s),u}function X(r,t){var n=$(),e=$(),o=$(),i=$(),h=$(),a=$(),f=$();return b(r[2],or),E(r[1],t),B(o,r[1]),m(i,o,hr),M(o,o,r[2]),x(i,r[2],i),B(h,i),B(a,h),m(f,a,h),m(n,f,o),m(n,n,i),K(n,n),m(n,n,o),m(n,n,i),m(n,n,i),m(r[0],n,i),B(e,r[0]),m(e,e,i),d(e,o)&&m(r[0],r[0],cr),B(e,r[0]),m(e,e,i),d(e,o)?-1:(U(r[0])===t[31]>>7&&M(r[0],er,r[0]),m(r[3],r[0],r[1]),0)}function D(r,t,n,e){var i,h,a=new Uint8Array(32),f=new Uint8Array(64),s=[$(),$(),$(),$()],c=[$(),$(),$(),$()];if(h=-1,n<64)return-1;if(X(c,e))return-1;for(i=0;i<n;i++)r[i]=t[i];for(i=0;i<32;i++)r[i+32]=e[i];if(O(f,r,n),q(f),I(s,c,f),G(c,t.subarray(32)),N(s,c),F(a,s),n-=64,o(t,0,a,0)){for(i=0;i<n;i++)r[i]=0;return-1}for(i=0;i<n;i++)r[i]=t[i+64];return h=n}function H(r,t){if(r.length!==br)throw new Error("bad key size");if(t.length!==gr)throw new Error("bad nonce size")}function J(r,t){if(r.length!==Er)throw new Error("bad public key size");if(t.length!==xr)throw new Error("bad secret key size")}function Q(){var r,t;for(t=0;t<arguments.length;t++)if("[object Uint8Array]"!==(r=Object.prototype.toString.call(arguments[t])))throw new TypeError("unexpected type "+r+", use Uint8Array")}function W(r){for(var t=0;t<r.length;t++)r[t]=0}var $=function(r){var t,n=new Float64Array(16);if(r)for(t=0;t<r.length;t++)n[t]=r[t];return n},rr=function(){throw new Error("no PRNG")},tr=new Uint8Array(16),nr=new Uint8Array(32);nr[0]=9;var er=$(),or=$([1]),ir=$([56129,1]),hr=$([30883,4953,19914,30187,55467,16705,2637,112,59544,30585,16505,36039,65139,11119,27886,20995]),ar=$([61785,9906,39828,60374,45398,33411,5274,224,53552,61171,33010,6542,64743,22239,55772,9222]),fr=$([54554,36645,11616,51542,42930,38181,51040,26924,56412,64982,57905,49316,21502,52590,14035,8553]),sr=$([26200,26214,26214,26214,26214,26214,26214,26214,26214,26214,26214,26214,26214,26214,26214,26214]),cr=$([41136,18958,6951,50414,58488,44335,6150,12099,55207,15867,153,11085,57099,20417,9344,11139]),ur=new Uint8Array([101,120,112,97,110,100,32,51,50,45,98,121,116,101,32,107]),yr=function(r){this.buffer=new Uint8Array(16),this.r=new Uint16Array(10),this.h=new Uint16Array(10),this.pad=new Uint16Array(8),this.leftover=0,this.fin=0;var t,n,e,o,i,h,a,f;t=255&r[0]|(255&r[1])<<8,this.r[0]=8191&t,n=255&r[2]|(255&r[3])<<8,this.r[1]=8191&(t>>>13|n<<3),e=255&r[4]|(255&r[5])<<8,this.r[2]=7939&(n>>>10|e<<6),o=255&r[6]|(255&r[7])<<8,this.r[3]=8191&(e>>>7|o<<9),i=255&r[8]|(255&r[9])<<8,this.r[4]=255&(o>>>4|i<<12),this.r[5]=i>>>1&8190,h=255&r[10]|(255&r[11])<<8,this.r[6]=8191&(i>>>14|h<<2),a=255&r[12]|(255&r[13])<<8,this.r[7]=8065&(h>>>11|a<<5),f=255&r[14]|(255&r[15])<<8,this.r[8]=8191&(a>>>8|f<<8),this.r[9]=f>>>5&127,this.pad[0]=255&r[16]|(255&r[17])<<8,this.pad[1]=255&r[18]|(255&r[19])<<8,this.pad[2]=255&r[20]|(255&r[21])<<8,this.pad[3]=255&r[22]|(255&r[23])<<8,this.pad[4]=255&r[24]|(255&r[25])<<8,this.pad[5]=255&r[26]|(255&r[27])<<8,this.pad[6]=255&r[28]|(255&r[29])<<8,this.pad[7]=255&r[30]|(255&r[31])<<8};yr.prototype.blocks=function(r,t,n){for(var e,o,i,h,a,f,s,c,u,y,l,w,p,v,b,g,_,A,d,U=this.fin?0:2048,E=this.h[0],x=this.h[1],M=this.h[2],m=this.h[3],B=this.h[4],S=this.h[5],K=this.h[6],T=this.h[7],Y=this.h[8],k=this.h[9],L=this.r[0],z=this.r[1],R=this.r[2],P=this.r[3],O=this.r[4],N=this.r[5],C=this.r[6],F=this.r[7],I=this.r[8],G=this.r[9];n>=16;)e=255&r[t+0]|(255&r[t+1])<<8,E+=8191&e,o=255&r[t+2]|(255&r[t+3])<<8,x+=8191&(e>>>13|o<<3),i=255&r[t+4]|(255&r[t+5])<<8,M+=8191&(o>>>10|i<<6),h=255&r[t+6]|(255&r[t+7])<<8,m+=8191&(i>>>7|h<<9),a=255&r[t+8]|(255&r[t+9])<<8,B+=8191&(h>>>4|a<<12),S+=a>>>1&8191,f=255&r[t+10]|(255&r[t+11])<<8,K+=8191&(a>>>14|f<<2),s=255&r[t+12]|(255&r[t+13])<<8,T+=8191&(f>>>11|s<<5),c=255&r[t+14]|(255&r[t+15])<<8,Y+=8191&(s>>>8|c<<8),k+=c>>>5|U,u=0,y=u,y+=E*L,y+=x*(5*G),y+=M*(5*I),y+=m*(5*F),y+=B*(5*C),u=y>>>13,y&=8191,y+=S*(5*N),y+=K*(5*O),y+=T*(5*P),y+=Y*(5*R),y+=k*(5*z),u+=y>>>13,y&=8191,l=u,l+=E*z,l+=x*L,l+=M*(5*G),l+=m*(5*I),l+=B*(5*F),u=l>>>13,l&=8191,l+=S*(5*C),l+=K*(5*N),l+=T*(5*O),l+=Y*(5*P),l+=k*(5*R),u+=l>>>13,l&=8191,w=u,w+=E*R,w+=x*z,w+=M*L,w+=m*(5*G),w+=B*(5*I),u=w>>>13,w&=8191,w+=S*(5*F),w+=K*(5*C),w+=T*(5*N),w+=Y*(5*O),w+=k*(5*P),u+=w>>>13,w&=8191,p=u,p+=E*P,p+=x*R,p+=M*z,p+=m*L,p+=B*(5*G),u=p>>>13,p&=8191,p+=S*(5*I),p+=K*(5*F),p+=T*(5*C),p+=Y*(5*N),p+=k*(5*O),u+=p>>>13,p&=8191,v=u,v+=E*O,v+=x*P,v+=M*R,v+=m*z,v+=B*L,u=v>>>13,v&=8191,v+=S*(5*G),v+=K*(5*I),v+=T*(5*F),v+=Y*(5*C),v+=k*(5*N),u+=v>>>13,v&=8191,b=u,b+=E*N,b+=x*O,b+=M*P,b+=m*R,b+=B*z,u=b>>>13,b&=8191,b+=S*L,b+=K*(5*G),b+=T*(5*I),b+=Y*(5*F),b+=k*(5*C),u+=b>>>13,b&=8191,g=u,g+=E*C,g+=x*N,g+=M*O,g+=m*P,g+=B*R,u=g>>>13,g&=8191,g+=S*z,g+=K*L,g+=T*(5*G),g+=Y*(5*I),g+=k*(5*F),u+=g>>>13,g&=8191,_=u,_+=E*F,_+=x*C,_+=M*N,_+=m*O,_+=B*P,u=_>>>13,_&=8191,_+=S*R,_+=K*z,_+=T*L,_+=Y*(5*G),_+=k*(5*I),u+=_>>>13,_&=8191,A=u,A+=E*I,A+=x*F,A+=M*C,A+=m*N,A+=B*O,u=A>>>13,A&=8191,A+=S*P,A+=K*R,A+=T*z,A+=Y*L,A+=k*(5*G),u+=A>>>13,A&=8191,d=u,d+=E*G,d+=x*I,d+=M*F,d+=m*C,d+=B*N,u=d>>>13,d&=8191,d+=S*O,d+=K*P,d+=T*R,d+=Y*z,d+=k*L,u+=d>>>13,d&=8191,u=(u<<2)+u|0,u=u+y|0,y=8191&u,u>>>=13,l+=u,E=y,x=l,M=w,m=p,B=v,S=b,K=g,T=_,Y=A,k=d,t+=16,n-=16;this.h[0]=E,this.h[1]=x,this.h[2]=M,this.h[3]=m,this.h[4]=B,this.h[5]=S,this.h[6]=K,this.h[7]=T,this.h[8]=Y,this.h[9]=k},yr.prototype.finish=function(r,t){var n,e,o,i,h=new Uint16Array(10);if(this.leftover){for(i=this.leftover,this.buffer[i++]=1;i<16;i++)this.buffer[i]=0;this.fin=1,this.blocks(this.buffer,0,16)}for(n=this.h[1]>>>13,this.h[1]&=8191,i=2;i<10;i++)this.h[i]+=n,n=this.h[i]>>>13,this.h[i]&=8191;for(this.h[0]+=5*n,n=this.h[0]>>>13,this.h[0]&=8191,this.h[1]+=n,n=this.h[1]>>>13,this.h[1]&=8191,this.h[2]+=n,h[0]=this.h[0]+5,n=h[0]>>>13,h[0]&=8191,i=1;i<10;i++)h[i]=this.h[i]+n,n=h[i]>>>13,h[i]&=8191;for(h[9]-=8192,e=(1^n)-1,i=0;i<10;i++)h[i]&=e;for(e=~e,i=0;i<10;i++)this.h[i]=this.h[i]&e|h[i];for(this.h[0]=65535&(this.h[0]|this.h[1]<<13),this.h[1]=65535&(this.h[1]>>>3|this.h[2]<<10),this.h[2]=65535&(this.h[2]>>>6|this.h[3]<<7),this.h[3]=65535&(this.h[3]>>>9|this.h[4]<<4),this.h[4]=65535&(this.h[4]>>>12|this.h[5]<<1|this.h[6]<<14),this.h[5]=65535&(this.h[6]>>>2|this.h[7]<<11),this.h[6]=65535&(this.h[7]>>>5|this.h[8]<<8),this.h[7]=65535&(this.h[8]>>>8|this.h[9]<<5),o=this.h[0]+this.pad[0],this.h[0]=65535&o,i=1;i<8;i++)o=(this.h[i]+this.pad[i]|0)+(o>>>16)|0,this.h[i]=65535&o;r[t+0]=this.h[0]>>>0&255,r[t+1]=this.h[0]>>>8&255,r[t+2]=this.h[1]>>>0&255,r[t+3]=this.h[1]>>>8&255,r[t+4]=this.h[2]>>>0&255,r[t+5]=this.h[2]>>>8&255,r[t+6]=this.h[3]>>>0&255,r[t+7]=this.h[3]>>>8&255,r[t+8]=this.h[4]>>>0&255,r[t+9]=this.h[4]>>>8&255,r[t+10]=this.h[5]>>>0&255,r[t+11]=this.h[5]>>>8&255,r[t+12]=this.h[6]>>>0&255,r[t+13]=this.h[6]>>>8&255,r[t+14]=this.h[7]>>>0&255,r[t+15]=this.h[7]>>>8&255},yr.prototype.update=function(r,t,n){var e,o;if(this.leftover){for(o=16-this.leftover,o>n&&(o=n),e=0;e<o;e++)this.buffer[this.leftover+e]=r[t+e];if(n-=o,t+=o,this.leftover+=o,this.leftover<16)return;this.blocks(this.buffer,0,16),this.leftover=0}if(n>=16&&(o=n-n%16,this.blocks(r,t,o),t+=o,n-=o),n){for(e=0;e<n;e++)this.buffer[this.leftover+e]=r[t+e];this.leftover+=n}};var lr=p,wr=v,pr=[1116352408,3609767458,1899447441,602891725,3049323471,3964484399,3921009573,2173295548,961987163,4081628472,1508970993,3053834265,2453635748,2937671579,2870763221,3664609560,3624381080,2734883394,310598401,1164996542,607225278,1323610764,1426881987,3590304994,1925078388,4068182383,2162078206,991336113,2614888103,633803317,3248222580,3479774868,3835390401,2666613458,4022224774,944711139,264347078,2341262773,604807628,2007800933,770255983,1495990901,1249150122,1856431235,1555081692,3175218132,1996064986,2198950837,2554220882,3999719339,2821834349,766784016,2952996808,2566594879,3210313671,3203337956,3336571891,1034457026,3584528711,2466948901,113926993,3758326383,338241895,168717936,666307205,1188179964,773529912,1546045734,1294757372,1522805485,1396182291,2643833823,1695183700,2343527390,1986661051,1014477480,2177026350,1206759142,2456956037,344077627,2730485921,1290863460,2820302411,3158454273,3259730800,3505952657,3345764771,106217008,3516065817,3606008344,3600352804,1432725776,4094571909,1467031594,275423344,851169720,430227734,3100823752,506948616,1363258195,659060556,3750685593,883997877,3785050280,958139571,3318307427,1322822218,3812723403,1537002063,2003034995,1747873779,3602036899,1955562222,1575990012,2024104815,1125592928,2227730452,2716904306,2361852424,442776044,2428436474,593698344,2756734187,3733110249,3204031479,2999351573,3329325298,3815920427,3391569614,3928383900,3515267271,566280711,3940187606,3454069534,4118630271,4000239992,116418474,1914138554,174292421,2731055270,289380356,3203993006,460393269,320620315,685471733,587496836,852142971,1086792851,1017036298,365543100,1126000580,2618297676,1288033470,3409855158,1501505948,4234509866,1607167915,987167468,1816402316,1246189591],vr=new Float64Array([237,211,245,92,26,99,18,88,214,156,247,162,222,249,222,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16]),br=32,gr=24,_r=32,Ar=16,dr=32,Ur=32,Er=32,xr=32,Mr=32,mr=gr,Br=_r,Sr=Ar,Kr=64,Tr=32,Yr=64,kr=32,Lr=64;r.lowlevel={crypto_core_hsalsa20:f,crypto_stream_xor:y,crypto_stream:u,crypto_stream_salsa20_xor:s,crypto_stream_salsa20:c,crypto_onetimeauth:l,crypto_onetimeauth_verify:w,crypto_verify_16:e,crypto_verify_32:o,crypto_secretbox:p,crypto_secretbox_open:v,crypto_scalarmult:T,crypto_scalarmult_base:Y,crypto_box_beforenm:L,crypto_box_afternm:lr,crypto_box:z,crypto_box_open:R,crypto_box_keypair:k,crypto_hash:O,crypto_sign:V,crypto_sign_keypair:Z,crypto_sign_open:D,crypto_secretbox_KEYBYTES:br,crypto_secretbox_NONCEBYTES:gr,crypto_secretbox_ZEROBYTES:_r,crypto_secretbox_BOXZEROBYTES:Ar,crypto_scalarmult_BYTES:dr,crypto_scalarmult_SCALARBYTES:Ur,crypto_box_PUBLICKEYBYTES:Er,crypto_box_SECRETKEYBYTES:xr,crypto_box_BEFORENMBYTES:Mr,crypto_box_NONCEBYTES:mr,crypto_box_ZEROBYTES:Br,crypto_box_BOXZEROBYTES:Sr,crypto_sign_BYTES:Kr,crypto_sign_PUBLICKEYBYTES:Tr,crypto_sign_SECRETKEYBYTES:Yr,crypto_sign_SEEDBYTES:kr,crypto_hash_BYTES:Lr},r.util||(r.util={},r.util.decodeUTF8=r.util.encodeUTF8=r.util.encodeBase64=r.util.decodeBase64=function(){throw new Error("nacl.util moved into separate package: https://github.com/dchest/tweetnacl-util-js")}),r.randomBytes=function(r){var t=new Uint8Array(r);return rr(t,r),t},r.secretbox=function(r,t,n){Q(r,t,n),H(n,t);for(var e=new Uint8Array(_r+r.length),o=new Uint8Array(e.length),i=0;i<r.length;i++)e[i+_r]=r[i];return p(o,e,e.length,t,n),o.subarray(Ar)},r.secretbox.open=function(r,t,n){Q(r,t,n),H(n,t);for(var e=new Uint8Array(Ar+r.length),o=new Uint8Array(e.length),i=0;i<r.length;i++)e[i+Ar]=r[i];return!(e.length<32)&&(0===v(o,e,e.length,t,n)&&o.subarray(_r))},r.secretbox.keyLength=br,r.secretbox.nonceLength=gr,r.secretbox.overheadLength=Ar,r.scalarMult=function(r,t){if(Q(r,t),r.length!==Ur)throw new Error("bad n size");if(t.length!==dr)throw new Error("bad p size");var n=new Uint8Array(dr);return T(n,r,t),n},r.scalarMult.base=function(r){if(Q(r),r.length!==Ur)throw new Error("bad n size");var t=new Uint8Array(dr);return Y(t,r),t},r.scalarMult.scalarLength=Ur,r.scalarMult.groupElementLength=dr,r.box=function(t,n,e,o){var i=r.box.before(e,o);return r.secretbox(t,n,i)},r.box.before=function(r,t){Q(r,t),J(r,t);var n=new Uint8Array(Mr);return L(n,r,t),n},r.box.after=r.secretbox,r.box.open=function(t,n,e,o){var i=r.box.before(e,o);return r.secretbox.open(t,n,i)},r.box.open.after=r.secretbox.open,r.box.keyPair=function(){var r=new Uint8Array(Er),t=new Uint8Array(xr);return k(r,t),{publicKey:r,secretKey:t}},r.box.keyPair.fromSecretKey=function(r){if(Q(r),r.length!==xr)throw new Error("bad secret key size");var t=new Uint8Array(Er);return Y(t,r),{publicKey:t,secretKey:new Uint8Array(r)}},r.box.publicKeyLength=Er,r.box.secretKeyLength=xr,r.box.sharedKeyLength=Mr,r.box.nonceLength=mr,r.box.overheadLength=r.secretbox.overheadLength,r.sign=function(r,t){if(Q(r,t),t.length!==Yr)throw new Error("bad secret key size");var n=new Uint8Array(Kr+r.length);return V(n,r,r.length,t),n},r.sign.open=function(r,t){if(2!==arguments.length)throw new Error("nacl.sign.open accepts 2 arguments; did you mean to use nacl.sign.detached.verify?");if(Q(r,t),t.length!==Tr)throw new Error("bad public key size");var n=new Uint8Array(r.length),e=D(n,r,r.length,t);if(e<0)return null;for(var o=new Uint8Array(e),i=0;i<o.length;i++)o[i]=n[i];return o},r.sign.detached=function(t,n){for(var e=r.sign(t,n),o=new Uint8Array(Kr),i=0;i<o.length;i++)o[i]=e[i];return o},r.sign.detached.verify=function(r,t,n){if(Q(r,t,n),t.length!==Kr)throw new Error("bad signature size");if(n.length!==Tr)throw new Error("bad public key size");var e,o=new Uint8Array(Kr+r.length),i=new Uint8Array(Kr+r.length);for(e=0;e<Kr;e++)o[e]=t[e];for(e=0;e<r.length;e++)o[e+Kr]=r[e];return D(i,o,o.length,n)>=0},r.sign.keyPair=function(){var r=new Uint8Array(Tr),t=new Uint8Array(Yr);return Z(r,t),{publicKey:r,secretKey:t}},r.sign.keyPair.fromSecretKey=function(r){if(Q(r),r.length!==Yr)throw new Error("bad secret key size");for(var t=new Uint8Array(Tr),n=0;n<t.length;n++)t[n]=r[32+n];return{publicKey:t,secretKey:new Uint8Array(r)}},r.sign.keyPair.fromSeed=function(r){if(Q(r),r.length!==kr)throw new Error("bad seed size");for(var t=new Uint8Array(Tr),n=new Uint8Array(Yr),e=0;e<32;e++)n[e]=r[e];return Z(t,n,!0),{publicKey:t,secretKey:n}},r.sign.publicKeyLength=Tr,r.sign.secretKeyLength=Yr,r.sign.seedLength=kr,r.sign.signatureLength=Kr,r.hash=function(r){Q(r);var t=new Uint8Array(Lr);return O(t,r,r.length),t},r.hash.hashLength=Lr,r.verify=function(r,t){return Q(r,t),
+0!==r.length&&0!==t.length&&(r.length===t.length&&0===n(r,0,t,0,r.length))},r.setPRNG=function(r){rr=r},function(){var t="undefined"!=typeof self?self.crypto||self.msCrypto:null;if(t&&t.getRandomValues){var n=65536;r.setPRNG(function(r,e){var o,i=new Uint8Array(e);for(o=0;o<e;o+=n)t.getRandomValues(i.subarray(o,o+Math.min(e-o,n)));for(o=0;o<e;o++)r[o]=i[o];W(i)})}else"undefined"!=typeof require&&(t=require("crypto"),t&&t.randomBytes&&r.setPRNG(function(r,n){var e,o=t.randomBytes(n);for(e=0;e<n;e++)r[e]=o[e];W(o)}))}()}("undefined"!=typeof module&&module.exports?module.exports:self.nacl=self.nacl||{});
\ No newline at end of file
diff --git a/node_modules/tweetnacl/nacl.d.ts b/node_modules/tweetnacl/nacl.d.ts
new file mode 100644
index 000000000..964e7dca3
--- /dev/null
+++ b/node_modules/tweetnacl/nacl.d.ts
@@ -0,0 +1,98 @@
+// Type definitions for TweetNaCl.js
+
+export as namespace nacl;
+
+declare var nacl: nacl;
+export = nacl;
+
+declare namespace nacl {
+    export interface BoxKeyPair {
+        publicKey: Uint8Array;
+        secretKey: Uint8Array;
+    }
+
+    export interface SignKeyPair {
+        publicKey: Uint8Array;
+        secretKey: Uint8Array;
+    }
+
+    export interface secretbox {
+        (msg: Uint8Array, nonce: Uint8Array, key: Uint8Array): Uint8Array;
+        open(box: Uint8Array, nonce: Uint8Array, key: Uint8Array): Uint8Array | false;
+        readonly keyLength: number;
+        readonly nonceLength: number;
+        readonly overheadLength: number;
+    }
+
+    export interface scalarMult {
+        (n: Uint8Array, p: Uint8Array): Uint8Array;
+        base(n: Uint8Array): Uint8Array;
+        readonly scalarLength: number;
+        readonly groupElementLength: number;
+    }
+
+    namespace box {
+        export interface open {
+            (msg: Uint8Array, nonce: Uint8Array, publicKey: Uint8Array, secretKey: Uint8Array): Uint8Array | false;
+            after(box: Uint8Array, nonce: Uint8Array, key: Uint8Array): Uint8Array | false;
+        }
+
+        export interface keyPair {
+            (): BoxKeyPair;
+            fromSecretKey(secretKey: Uint8Array): BoxKeyPair;
+        }
+    }
+
+    export interface box {
+        (msg: Uint8Array, nonce: Uint8Array, publicKey: Uint8Array, secretKey: Uint8Array): Uint8Array;
+        before(publicKey: Uint8Array, secretKey: Uint8Array): Uint8Array;
+        after(msg: Uint8Array, nonce: Uint8Array, key: Uint8Array): Uint8Array;
+        open: box.open;
+        keyPair: box.keyPair;
+        readonly publicKeyLength: number;
+        readonly secretKeyLength: number;
+        readonly sharedKeyLength: number;
+        readonly nonceLength: number;
+        readonly overheadLength: number;
+    }
+
+    namespace sign {
+        export interface detached {
+            (msg: Uint8Array, secretKey: Uint8Array): Uint8Array;
+            verify(msg: Uint8Array, sig: Uint8Array, publicKey: Uint8Array): boolean;
+        }
+
+        export interface keyPair {
+            (): SignKeyPair;
+            fromSecretKey(secretKey: Uint8Array): SignKeyPair;
+            fromSeed(secretKey: Uint8Array): SignKeyPair;
+        }
+    }
+
+    export interface sign {
+        (msg: Uint8Array, secretKey: Uint8Array): Uint8Array;
+        open(signedMsg: Uint8Array, publicKey: Uint8Array): Uint8Array | null;
+        detached: sign.detached;
+        keyPair: sign.keyPair;
+        readonly publicKeyLength: number;
+        readonly secretKeyLength: number;
+        readonly seedLength: number;
+        readonly signatureLength: number;
+    }
+
+    export interface hash {
+        (msg: Uint8Array): Uint8Array;
+        readonly hashLength: number;
+    }
+}
+
+declare interface nacl {
+    randomBytes(n: number): Uint8Array;
+    secretbox: nacl.secretbox;
+    scalarMult: nacl.scalarMult;
+    box: nacl.box;
+    sign: nacl.sign;
+    hash: nacl.hash;
+    verify(x: Uint8Array, y: Uint8Array): boolean;
+    setPRNG(fn: (x: Uint8Array, n: number) => void): void;
+}
diff --git a/node_modules/tweetnacl/nacl.js b/node_modules/tweetnacl/nacl.js
new file mode 100644
index 000000000..f72dd78d1
--- /dev/null
+++ b/node_modules/tweetnacl/nacl.js
@@ -0,0 +1,1175 @@
+(function(nacl) {
+'use strict';
+
+// Ported in 2014 by Dmitry Chestnykh and Devi Mandiri.
+// Public domain.
+//
+// Implementation derived from TweetNaCl version 20140427.
+// See for details: http://tweetnacl.cr.yp.to/
+
+var u64 = function(h, l) { this.hi = h|0 >>> 0; this.lo = l|0 >>> 0; };
+var gf = function(init) {
+  var i, r = new Float64Array(16);
+  if (init) for (i = 0; i < init.length; i++) r[i] = init[i];
+  return r;
+};
+
+//  Pluggable, initialized in high-level API below.
+var randombytes = function(/* x, n */) { throw new Error('no PRNG'); };
+
+var _0 = new Uint8Array(16);
+var _9 = new Uint8Array(32); _9[0] = 9;
+
+var gf0 = gf(),
+    gf1 = gf([1]),
+    _121665 = gf([0xdb41, 1]),
+    D = gf([0x78a3, 0x1359, 0x4dca, 0x75eb, 0xd8ab, 0x4141, 0x0a4d, 0x0070, 0xe898, 0x7779, 0x4079, 0x8cc7, 0xfe73, 0x2b6f, 0x6cee, 0x5203]),
+    D2 = gf([0xf159, 0x26b2, 0x9b94, 0xebd6, 0xb156, 0x8283, 0x149a, 0x00e0, 0xd130, 0xeef3, 0x80f2, 0x198e, 0xfce7, 0x56df, 0xd9dc, 0x2406]),
+    X = gf([0xd51a, 0x8f25, 0x2d60, 0xc956, 0xa7b2, 0x9525, 0xc760, 0x692c, 0xdc5c, 0xfdd6, 0xe231, 0xc0a4, 0x53fe, 0xcd6e, 0x36d3, 0x2169]),
+    Y = gf([0x6658, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666]),
+    I = gf([0xa0b0, 0x4a0e, 0x1b27, 0xc4ee, 0xe478, 0xad2f, 0x1806, 0x2f43, 0xd7a7, 0x3dfb, 0x0099, 0x2b4d, 0xdf0b, 0x4fc1, 0x2480, 0x2b83]);
+
+function L32(x, c) { return (x << c) | (x >>> (32 - c)); }
+
+function ld32(x, i) {
+  var u = x[i+3] & 0xff;
+  u = (u<<8)|(x[i+2] & 0xff);
+  u = (u<<8)|(x[i+1] & 0xff);
+  return (u<<8)|(x[i+0] & 0xff);
+}
+
+function dl64(x, i) {
+  var h = (x[i] << 24) | (x[i+1] << 16) | (x[i+2] << 8) | x[i+3];
+  var l = (x[i+4] << 24) | (x[i+5] << 16) | (x[i+6] << 8) | x[i+7];
+  return new u64(h, l);
+}
+
+function st32(x, j, u) {
+  var i;
+  for (i = 0; i < 4; i++) { x[j+i] = u & 255; u >>>= 8; }
+}
+
+function ts64(x, i, u) {
+  x[i]   = (u.hi >> 24) & 0xff;
+  x[i+1] = (u.hi >> 16) & 0xff;
+  x[i+2] = (u.hi >>  8) & 0xff;
+  x[i+3] = u.hi & 0xff;
+  x[i+4] = (u.lo >> 24)  & 0xff;
+  x[i+5] = (u.lo >> 16)  & 0xff;
+  x[i+6] = (u.lo >>  8)  & 0xff;
+  x[i+7] = u.lo & 0xff;
+}
+
+function vn(x, xi, y, yi, n) {
+  var i,d = 0;
+  for (i = 0; i < n; i++) d |= x[xi+i]^y[yi+i];
+  return (1 & ((d - 1) >>> 8)) - 1;
+}
+
+function crypto_verify_16(x, xi, y, yi) {
+  return vn(x,xi,y,yi,16);
+}
+
+function crypto_verify_32(x, xi, y, yi) {
+  return vn(x,xi,y,yi,32);
+}
+
+function core(out,inp,k,c,h) {
+  var w = new Uint32Array(16), x = new Uint32Array(16),
+      y = new Uint32Array(16), t = new Uint32Array(4);
+  var i, j, m;
+
+  for (i = 0; i < 4; i++) {
+    x[5*i] = ld32(c, 4*i);
+    x[1+i] = ld32(k, 4*i);
+    x[6+i] = ld32(inp, 4*i);
+    x[11+i] = ld32(k, 16+4*i);
+  }
+
+  for (i = 0; i < 16; i++) y[i] = x[i];
+
+  for (i = 0; i < 20; i++) {
+    for (j = 0; j < 4; j++) {
+      for (m = 0; m < 4; m++) t[m] = x[(5*j+4*m)%16];
+      t[1] ^= L32((t[0]+t[3])|0, 7);
+      t[2] ^= L32((t[1]+t[0])|0, 9);
+      t[3] ^= L32((t[2]+t[1])|0,13);
+      t[0] ^= L32((t[3]+t[2])|0,18);
+      for (m = 0; m < 4; m++) w[4*j+(j+m)%4] = t[m];
+    }
+    for (m = 0; m < 16; m++) x[m] = w[m];
+  }
+
+  if (h) {
+    for (i = 0; i < 16; i++) x[i] = (x[i] + y[i]) | 0;
+    for (i = 0; i < 4; i++) {
+      x[5*i] = (x[5*i] - ld32(c, 4*i)) | 0;
+      x[6+i] = (x[6+i] - ld32(inp, 4*i)) | 0;
+    }
+    for (i = 0; i < 4; i++) {
+      st32(out,4*i,x[5*i]);
+      st32(out,16+4*i,x[6+i]);
+    }
+  } else {
+    for (i = 0; i < 16; i++) st32(out, 4 * i, (x[i] + y[i]) | 0);
+  }
+}
+
+function crypto_core_salsa20(out,inp,k,c) {
+  core(out,inp,k,c,false);
+  return 0;
+}
+
+function crypto_core_hsalsa20(out,inp,k,c) {
+  core(out,inp,k,c,true);
+  return 0;
+}
+
+var sigma = new Uint8Array([101, 120, 112, 97, 110, 100, 32, 51, 50, 45, 98, 121, 116, 101, 32, 107]);
+            // "expand 32-byte k"
+
+function crypto_stream_salsa20_xor(c,cpos,m,mpos,b,n,k) {
+  var z = new Uint8Array(16), x = new Uint8Array(64);
+  var u, i;
+  if (!b) return 0;
+  for (i = 0; i < 16; i++) z[i] = 0;
+  for (i = 0; i < 8; i++) z[i] = n[i];
+  while (b >= 64) {
+    crypto_core_salsa20(x,z,k,sigma);
+    for (i = 0; i < 64; i++) c[cpos+i] = (m?m[mpos+i]:0) ^ x[i];
+    u = 1;
+    for (i = 8; i < 16; i++) {
+      u = u + (z[i] & 0xff) | 0;
+      z[i] = u & 0xff;
+      u >>>= 8;
+    }
+    b -= 64;
+    cpos += 64;
+    if (m) mpos += 64;
+  }
+  if (b > 0) {
+    crypto_core_salsa20(x,z,k,sigma);
+    for (i = 0; i < b; i++) c[cpos+i] = (m?m[mpos+i]:0) ^ x[i];
+  }
+  return 0;
+}
+
+function crypto_stream_salsa20(c,cpos,d,n,k) {
+  return crypto_stream_salsa20_xor(c,cpos,null,0,d,n,k);
+}
+
+function crypto_stream(c,cpos,d,n,k) {
+  var s = new Uint8Array(32);
+  crypto_core_hsalsa20(s,n,k,sigma);
+  return crypto_stream_salsa20(c,cpos,d,n.subarray(16),s);
+}
+
+function crypto_stream_xor(c,cpos,m,mpos,d,n,k) {
+  var s = new Uint8Array(32);
+  crypto_core_hsalsa20(s,n,k,sigma);
+  return crypto_stream_salsa20_xor(c,cpos,m,mpos,d,n.subarray(16),s);
+}
+
+function add1305(h, c) {
+  var j, u = 0;
+  for (j = 0; j < 17; j++) {
+    u = (u + ((h[j] + c[j]) | 0)) | 0;
+    h[j] = u & 255;
+    u >>>= 8;
+  }
+}
+
+var minusp = new Uint32Array([
+  5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 252
+]);
+
+function crypto_onetimeauth(out, outpos, m, mpos, n, k) {
+  var s, i, j, u;
+  var x = new Uint32Array(17), r = new Uint32Array(17),
+      h = new Uint32Array(17), c = new Uint32Array(17),
+      g = new Uint32Array(17);
+  for (j = 0; j < 17; j++) r[j]=h[j]=0;
+  for (j = 0; j < 16; j++) r[j]=k[j];
+  r[3]&=15;
+  r[4]&=252;
+  r[7]&=15;
+  r[8]&=252;
+  r[11]&=15;
+  r[12]&=252;
+  r[15]&=15;
+
+  while (n > 0) {
+    for (j = 0; j < 17; j++) c[j] = 0;
+    for (j = 0; (j < 16) && (j < n); ++j) c[j] = m[mpos+j];
+    c[j] = 1;
+    mpos += j; n -= j;
+    add1305(h,c);
+    for (i = 0; i < 17; i++) {
+      x[i] = 0;
+      for (j = 0; j < 17; j++) x[i] = (x[i] + (h[j] * ((j <= i) ? r[i - j] : ((320 * r[i + 17 - j])|0))) | 0) | 0;
+    }
+    for (i = 0; i < 17; i++) h[i] = x[i];
+    u = 0;
+    for (j = 0; j < 16; j++) {
+      u = (u + h[j]) | 0;
+      h[j] = u & 255;
+      u >>>= 8;
+    }
+    u = (u + h[16]) | 0; h[16] = u & 3;
+    u = (5 * (u >>> 2)) | 0;
+    for (j = 0; j < 16; j++) {
+      u = (u + h[j]) | 0;
+      h[j] = u & 255;
+      u >>>= 8;
+    }
+    u = (u + h[16]) | 0; h[16] = u;
+  }
+
+  for (j = 0; j < 17; j++) g[j] = h[j];
+  add1305(h,minusp);
+  s = (-(h[16] >>> 7) | 0);
+  for (j = 0; j < 17; j++) h[j] ^= s & (g[j] ^ h[j]);
+
+  for (j = 0; j < 16; j++) c[j] = k[j + 16];
+  c[16] = 0;
+  add1305(h,c);
+  for (j = 0; j < 16; j++) out[outpos+j] = h[j];
+  return 0;
+}
+
+function crypto_onetimeauth_verify(h, hpos, m, mpos, n, k) {
+  var x = new Uint8Array(16);
+  crypto_onetimeauth(x,0,m,mpos,n,k);
+  return crypto_verify_16(h,hpos,x,0);
+}
+
+function crypto_secretbox(c,m,d,n,k) {
+  var i;
+  if (d < 32) return -1;
+  crypto_stream_xor(c,0,m,0,d,n,k);
+  crypto_onetimeauth(c, 16, c, 32, d - 32, c);
+  for (i = 0; i < 16; i++) c[i] = 0;
+  return 0;
+}
+
+function crypto_secretbox_open(m,c,d,n,k) {
+  var i;
+  var x = new Uint8Array(32);
+  if (d < 32) return -1;
+  crypto_stream(x,0,32,n,k);
+  if (crypto_onetimeauth_verify(c, 16,c, 32,d - 32,x) !== 0) return -1;
+  crypto_stream_xor(m,0,c,0,d,n,k);
+  for (i = 0; i < 32; i++) m[i] = 0;
+  return 0;
+}
+
+function set25519(r, a) {
+  var i;
+  for (i = 0; i < 16; i++) r[i] = a[i]|0;
+}
+
+function car25519(o) {
+  var c;
+  var i;
+  for (i = 0; i < 16; i++) {
+      o[i] += 65536;
+      c = Math.floor(o[i] / 65536);
+      o[(i+1)*(i<15?1:0)] += c - 1 + 37 * (c-1) * (i===15?1:0);
+      o[i] -= (c * 65536);
+  }
+}
+
+function sel25519(p, q, b) {
+  var t, c = ~(b-1);
+  for (var i = 0; i < 16; i++) {
+    t = c & (p[i] ^ q[i]);
+    p[i] ^= t;
+    q[i] ^= t;
+  }
+}
+
+function pack25519(o, n) {
+  var i, j, b;
+  var m = gf(), t = gf();
+  for (i = 0; i < 16; i++) t[i] = n[i];
+  car25519(t);
+  car25519(t);
+  car25519(t);
+  for (j = 0; j < 2; j++) {
+    m[0] = t[0] - 0xffed;
+    for (i = 1; i < 15; i++) {
+      m[i] = t[i] - 0xffff - ((m[i-1]>>16) & 1);
+      m[i-1] &= 0xffff;
+    }
+    m[15] = t[15] - 0x7fff - ((m[14]>>16) & 1);
+    b = (m[15]>>16) & 1;
+    m[14] &= 0xffff;
+    sel25519(t, m, 1-b);
+  }
+  for (i = 0; i < 16; i++) {
+    o[2*i] = t[i] & 0xff;
+    o[2*i+1] = t[i]>>8;
+  }
+}
+
+function neq25519(a, b) {
+  var c = new Uint8Array(32), d = new Uint8Array(32);
+  pack25519(c, a);
+  pack25519(d, b);
+  return crypto_verify_32(c, 0, d, 0);
+}
+
+function par25519(a) {
+  var d = new Uint8Array(32);
+  pack25519(d, a);
+  return d[0] & 1;
+}
+
+function unpack25519(o, n) {
+  var i;
+  for (i = 0; i < 16; i++) o[i] = n[2*i] + (n[2*i+1] << 8);
+  o[15] &= 0x7fff;
+}
+
+function A(o, a, b) {
+  var i;
+  for (i = 0; i < 16; i++) o[i] = (a[i] + b[i])|0;
+}
+
+function Z(o, a, b) {
+  var i;
+  for (i = 0; i < 16; i++) o[i] = (a[i] - b[i])|0;
+}
+
+function M(o, a, b) {
+  var i, j, t = new Float64Array(31);
+  for (i = 0; i < 31; i++) t[i] = 0;
+  for (i = 0; i < 16; i++) {
+    for (j = 0; j < 16; j++) {
+      t[i+j] += a[i] * b[j];
+    }
+  }
+  for (i = 0; i < 15; i++) {
+    t[i] += 38 * t[i+16];
+  }
+  for (i = 0; i < 16; i++) o[i] = t[i];
+  car25519(o);
+  car25519(o);
+}
+
+function S(o, a) {
+  M(o, a, a);
+}
+
+function inv25519(o, i) {
+  var c = gf();
+  var a;
+  for (a = 0; a < 16; a++) c[a] = i[a];
+  for (a = 253; a >= 0; a--) {
+    S(c, c);
+    if(a !== 2 && a !== 4) M(c, c, i);
+  }
+  for (a = 0; a < 16; a++) o[a] = c[a];
+}
+
+function pow2523(o, i) {
+  var c = gf();
+  var a;
+  for (a = 0; a < 16; a++) c[a] = i[a];
+  for (a = 250; a >= 0; a--) {
+      S(c, c);
+      if(a !== 1) M(c, c, i);
+  }
+  for (a = 0; a < 16; a++) o[a] = c[a];
+}
+
+function crypto_scalarmult(q, n, p) {
+  var z = new Uint8Array(32);
+  var x = new Float64Array(80), r, i;
+  var a = gf(), b = gf(), c = gf(),
+      d = gf(), e = gf(), f = gf();
+  for (i = 0; i < 31; i++) z[i] = n[i];
+  z[31]=(n[31]&127)|64;
+  z[0]&=248;
+  unpack25519(x,p);
+  for (i = 0; i < 16; i++) {
+    b[i]=x[i];
+    d[i]=a[i]=c[i]=0;
+  }
+  a[0]=d[0]=1;
+  for (i=254; i>=0; --i) {
+    r=(z[i>>>3]>>>(i&7))&1;
+    sel25519(a,b,r);
+    sel25519(c,d,r);
+    A(e,a,c);
+    Z(a,a,c);
+    A(c,b,d);
+    Z(b,b,d);
+    S(d,e);
+    S(f,a);
+    M(a,c,a);
+    M(c,b,e);
+    A(e,a,c);
+    Z(a,a,c);
+    S(b,a);
+    Z(c,d,f);
+    M(a,c,_121665);
+    A(a,a,d);
+    M(c,c,a);
+    M(a,d,f);
+    M(d,b,x);
+    S(b,e);
+    sel25519(a,b,r);
+    sel25519(c,d,r);
+  }
+  for (i = 0; i < 16; i++) {
+    x[i+16]=a[i];
+    x[i+32]=c[i];
+    x[i+48]=b[i];
+    x[i+64]=d[i];
+  }
+  var x32 = x.subarray(32);
+  var x16 = x.subarray(16);
+  inv25519(x32,x32);
+  M(x16,x16,x32);
+  pack25519(q,x16);
+  return 0;
+}
+
+function crypto_scalarmult_base(q, n) {
+  return crypto_scalarmult(q, n, _9);
+}
+
+function crypto_box_keypair(y, x) {
+  randombytes(x, 32);
+  return crypto_scalarmult_base(y, x);
+}
+
+function crypto_box_beforenm(k, y, x) {
+  var s = new Uint8Array(32);
+  crypto_scalarmult(s, x, y);
+  return crypto_core_hsalsa20(k, _0, s, sigma);
+}
+
+var crypto_box_afternm = crypto_secretbox;
+var crypto_box_open_afternm = crypto_secretbox_open;
+
+function crypto_box(c, m, d, n, y, x) {
+  var k = new Uint8Array(32);
+  crypto_box_beforenm(k, y, x);
+  return crypto_box_afternm(c, m, d, n, k);
+}
+
+function crypto_box_open(m, c, d, n, y, x) {
+  var k = new Uint8Array(32);
+  crypto_box_beforenm(k, y, x);
+  return crypto_box_open_afternm(m, c, d, n, k);
+}
+
+function add64() {
+  var a = 0, b = 0, c = 0, d = 0, m16 = 65535, l, h, i;
+  for (i = 0; i < arguments.length; i++) {
+    l = arguments[i].lo;
+    h = arguments[i].hi;
+    a += (l & m16); b += (l >>> 16);
+    c += (h & m16); d += (h >>> 16);
+  }
+
+  b += (a >>> 16);
+  c += (b >>> 16);
+  d += (c >>> 16);
+
+  return new u64((c & m16) | (d << 16), (a & m16) | (b << 16));
+}
+
+function shr64(x, c) {
+  return new u64((x.hi >>> c), (x.lo >>> c) | (x.hi << (32 - c)));
+}
+
+function xor64() {
+  var l = 0, h = 0, i;
+  for (i = 0; i < arguments.length; i++) {
+    l ^= arguments[i].lo;
+    h ^= arguments[i].hi;
+  }
+  return new u64(h, l);
+}
+
+function R(x, c) {
+  var h, l, c1 = 32 - c;
+  if (c < 32) {
+    h = (x.hi >>> c) | (x.lo << c1);
+    l = (x.lo >>> c) | (x.hi << c1);
+  } else if (c < 64) {
+    h = (x.lo >>> c) | (x.hi << c1);
+    l = (x.hi >>> c) | (x.lo << c1);
+  }
+  return new u64(h, l);
+}
+
+function Ch(x, y, z) {
+  var h = (x.hi & y.hi) ^ (~x.hi & z.hi),
+      l = (x.lo & y.lo) ^ (~x.lo & z.lo);
+  return new u64(h, l);
+}
+
+function Maj(x, y, z) {
+  var h = (x.hi & y.hi) ^ (x.hi & z.hi) ^ (y.hi & z.hi),
+      l = (x.lo & y.lo) ^ (x.lo & z.lo) ^ (y.lo & z.lo);
+  return new u64(h, l);
+}
+
+function Sigma0(x) { return xor64(R(x,28), R(x,34), R(x,39)); }
+function Sigma1(x) { return xor64(R(x,14), R(x,18), R(x,41)); }
+function sigma0(x) { return xor64(R(x, 1), R(x, 8), shr64(x,7)); }
+function sigma1(x) { return xor64(R(x,19), R(x,61), shr64(x,6)); }
+
+var K = [
+  new u64(0x428a2f98, 0xd728ae22), new u64(0x71374491, 0x23ef65cd),
+  new u64(0xb5c0fbcf, 0xec4d3b2f), new u64(0xe9b5dba5, 0x8189dbbc),
+  new u64(0x3956c25b, 0xf348b538), new u64(0x59f111f1, 0xb605d019),
+  new u64(0x923f82a4, 0xaf194f9b), new u64(0xab1c5ed5, 0xda6d8118),
+  new u64(0xd807aa98, 0xa3030242), new u64(0x12835b01, 0x45706fbe),
+  new u64(0x243185be, 0x4ee4b28c), new u64(0x550c7dc3, 0xd5ffb4e2),
+  new u64(0x72be5d74, 0xf27b896f), new u64(0x80deb1fe, 0x3b1696b1),
+  new u64(0x9bdc06a7, 0x25c71235), new u64(0xc19bf174, 0xcf692694),
+  new u64(0xe49b69c1, 0x9ef14ad2), new u64(0xefbe4786, 0x384f25e3),
+  new u64(0x0fc19dc6, 0x8b8cd5b5), new u64(0x240ca1cc, 0x77ac9c65),
+  new u64(0x2de92c6f, 0x592b0275), new u64(0x4a7484aa, 0x6ea6e483),
+  new u64(0x5cb0a9dc, 0xbd41fbd4), new u64(0x76f988da, 0x831153b5),
+  new u64(0x983e5152, 0xee66dfab), new u64(0xa831c66d, 0x2db43210),
+  new u64(0xb00327c8, 0x98fb213f), new u64(0xbf597fc7, 0xbeef0ee4),
+  new u64(0xc6e00bf3, 0x3da88fc2), new u64(0xd5a79147, 0x930aa725),
+  new u64(0x06ca6351, 0xe003826f), new u64(0x14292967, 0x0a0e6e70),
+  new u64(0x27b70a85, 0x46d22ffc), new u64(0x2e1b2138, 0x5c26c926),
+  new u64(0x4d2c6dfc, 0x5ac42aed), new u64(0x53380d13, 0x9d95b3df),
+  new u64(0x650a7354, 0x8baf63de), new u64(0x766a0abb, 0x3c77b2a8),
+  new u64(0x81c2c92e, 0x47edaee6), new u64(0x92722c85, 0x1482353b),
+  new u64(0xa2bfe8a1, 0x4cf10364), new u64(0xa81a664b, 0xbc423001),
+  new u64(0xc24b8b70, 0xd0f89791), new u64(0xc76c51a3, 0x0654be30),
+  new u64(0xd192e819, 0xd6ef5218), new u64(0xd6990624, 0x5565a910),
+  new u64(0xf40e3585, 0x5771202a), new u64(0x106aa070, 0x32bbd1b8),
+  new u64(0x19a4c116, 0xb8d2d0c8), new u64(0x1e376c08, 0x5141ab53),
+  new u64(0x2748774c, 0xdf8eeb99), new u64(0x34b0bcb5, 0xe19b48a8),
+  new u64(0x391c0cb3, 0xc5c95a63), new u64(0x4ed8aa4a, 0xe3418acb),
+  new u64(0x5b9cca4f, 0x7763e373), new u64(0x682e6ff3, 0xd6b2b8a3),
+  new u64(0x748f82ee, 0x5defb2fc), new u64(0x78a5636f, 0x43172f60),
+  new u64(0x84c87814, 0xa1f0ab72), new u64(0x8cc70208, 0x1a6439ec),
+  new u64(0x90befffa, 0x23631e28), new u64(0xa4506ceb, 0xde82bde9),
+  new u64(0xbef9a3f7, 0xb2c67915), new u64(0xc67178f2, 0xe372532b),
+  new u64(0xca273ece, 0xea26619c), new u64(0xd186b8c7, 0x21c0c207),
+  new u64(0xeada7dd6, 0xcde0eb1e), new u64(0xf57d4f7f, 0xee6ed178),
+  new u64(0x06f067aa, 0x72176fba), new u64(0x0a637dc5, 0xa2c898a6),
+  new u64(0x113f9804, 0xbef90dae), new u64(0x1b710b35, 0x131c471b),
+  new u64(0x28db77f5, 0x23047d84), new u64(0x32caab7b, 0x40c72493),
+  new u64(0x3c9ebe0a, 0x15c9bebc), new u64(0x431d67c4, 0x9c100d4c),
+  new u64(0x4cc5d4be, 0xcb3e42b6), new u64(0x597f299c, 0xfc657e2a),
+  new u64(0x5fcb6fab, 0x3ad6faec), new u64(0x6c44198c, 0x4a475817)
+];
+
+function crypto_hashblocks(x, m, n) {
+  var z = [], b = [], a = [], w = [], t, i, j;
+
+  for (i = 0; i < 8; i++) z[i] = a[i] = dl64(x, 8*i);
+
+  var pos = 0;
+  while (n >= 128) {
+    for (i = 0; i < 16; i++) w[i] = dl64(m, 8*i+pos);
+    for (i = 0; i < 80; i++) {
+      for (j = 0; j < 8; j++) b[j] = a[j];
+      t = add64(a[7], Sigma1(a[4]), Ch(a[4], a[5], a[6]), K[i], w[i%16]);
+      b[7] = add64(t, Sigma0(a[0]), Maj(a[0], a[1], a[2]));
+      b[3] = add64(b[3], t);
+      for (j = 0; j < 8; j++) a[(j+1)%8] = b[j];
+      if (i%16 === 15) {
+        for (j = 0; j < 16; j++) {
+          w[j] = add64(w[j], w[(j+9)%16], sigma0(w[(j+1)%16]), sigma1(w[(j+14)%16]));
+        }
+      }
+    }
+
+    for (i = 0; i < 8; i++) {
+      a[i] = add64(a[i], z[i]);
+      z[i] = a[i];
+    }
+
+    pos += 128;
+    n -= 128;
+  }
+
+  for (i = 0; i < 8; i++) ts64(x, 8*i, z[i]);
+  return n;
+}
+
+var iv = new Uint8Array([
+  0x6a,0x09,0xe6,0x67,0xf3,0xbc,0xc9,0x08,
+  0xbb,0x67,0xae,0x85,0x84,0xca,0xa7,0x3b,
+  0x3c,0x6e,0xf3,0x72,0xfe,0x94,0xf8,0x2b,
+  0xa5,0x4f,0xf5,0x3a,0x5f,0x1d,0x36,0xf1,
+  0x51,0x0e,0x52,0x7f,0xad,0xe6,0x82,0xd1,
+  0x9b,0x05,0x68,0x8c,0x2b,0x3e,0x6c,0x1f,
+  0x1f,0x83,0xd9,0xab,0xfb,0x41,0xbd,0x6b,
+  0x5b,0xe0,0xcd,0x19,0x13,0x7e,0x21,0x79
+]);
+
+function crypto_hash(out, m, n) {
+  var h = new Uint8Array(64), x = new Uint8Array(256);
+  var i, b = n;
+
+  for (i = 0; i < 64; i++) h[i] = iv[i];
+
+  crypto_hashblocks(h, m, n);
+  n %= 128;
+
+  for (i = 0; i < 256; i++) x[i] = 0;
+  for (i = 0; i < n; i++) x[i] = m[b-n+i];
+  x[n] = 128;
+
+  n = 256-128*(n<112?1:0);
+  x[n-9] = 0;
+  ts64(x, n-8, new u64((b / 0x20000000) | 0, b << 3));
+  crypto_hashblocks(h, x, n);
+
+  for (i = 0; i < 64; i++) out[i] = h[i];
+
+  return 0;
+}
+
+function add(p, q) {
+  var a = gf(), b = gf(), c = gf(),
+      d = gf(), e = gf(), f = gf(),
+      g = gf(), h = gf(), t = gf();
+
+  Z(a, p[1], p[0]);
+  Z(t, q[1], q[0]);
+  M(a, a, t);
+  A(b, p[0], p[1]);
+  A(t, q[0], q[1]);
+  M(b, b, t);
+  M(c, p[3], q[3]);
+  M(c, c, D2);
+  M(d, p[2], q[2]);
+  A(d, d, d);
+  Z(e, b, a);
+  Z(f, d, c);
+  A(g, d, c);
+  A(h, b, a);
+
+  M(p[0], e, f);
+  M(p[1], h, g);
+  M(p[2], g, f);
+  M(p[3], e, h);
+}
+
+function cswap(p, q, b) {
+  var i;
+  for (i = 0; i < 4; i++) {
+    sel25519(p[i], q[i], b);
+  }
+}
+
+function pack(r, p) {
+  var tx = gf(), ty = gf(), zi = gf();
+  inv25519(zi, p[2]);
+  M(tx, p[0], zi);
+  M(ty, p[1], zi);
+  pack25519(r, ty);
+  r[31] ^= par25519(tx) << 7;
+}
+
+function scalarmult(p, q, s) {
+  var b, i;
+  set25519(p[0], gf0);
+  set25519(p[1], gf1);
+  set25519(p[2], gf1);
+  set25519(p[3], gf0);
+  for (i = 255; i >= 0; --i) {
+    b = (s[(i/8)|0] >> (i&7)) & 1;
+    cswap(p, q, b);
+    add(q, p);
+    add(p, p);
+    cswap(p, q, b);
+  }
+}
+
+function scalarbase(p, s) {
+  var q = [gf(), gf(), gf(), gf()];
+  set25519(q[0], X);
+  set25519(q[1], Y);
+  set25519(q[2], gf1);
+  M(q[3], X, Y);
+  scalarmult(p, q, s);
+}
+
+function crypto_sign_keypair(pk, sk, seeded) {
+  var d = new Uint8Array(64);
+  var p = [gf(), gf(), gf(), gf()];
+  var i;
+
+  if (!seeded) randombytes(sk, 32);
+  crypto_hash(d, sk, 32);
+  d[0] &= 248;
+  d[31] &= 127;
+  d[31] |= 64;
+
+  scalarbase(p, d);
+  pack(pk, p);
+
+  for (i = 0; i < 32; i++) sk[i+32] = pk[i];
+  return 0;
+}
+
+var L = new Float64Array([0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58, 0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x10]);
+
+function modL(r, x) {
+  var carry, i, j, k;
+  for (i = 63; i >= 32; --i) {
+    carry = 0;
+    for (j = i - 32, k = i - 12; j < k; ++j) {
+      x[j] += carry - 16 * x[i] * L[j - (i - 32)];
+      carry = (x[j] + 128) >> 8;
+      x[j] -= carry * 256;
+    }
+    x[j] += carry;
+    x[i] = 0;
+  }
+  carry = 0;
+  for (j = 0; j < 32; j++) {
+    x[j] += carry - (x[31] >> 4) * L[j];
+    carry = x[j] >> 8;
+    x[j] &= 255;
+  }
+  for (j = 0; j < 32; j++) x[j] -= carry * L[j];
+  for (i = 0; i < 32; i++) {
+    x[i+1] += x[i] >> 8;
+    r[i] = x[i] & 255;
+  }
+}
+
+function reduce(r) {
+  var x = new Float64Array(64), i;
+  for (i = 0; i < 64; i++) x[i] = r[i];
+  for (i = 0; i < 64; i++) r[i] = 0;
+  modL(r, x);
+}
+
+// Note: difference from C - smlen returned, not passed as argument.
+function crypto_sign(sm, m, n, sk) {
+  var d = new Uint8Array(64), h = new Uint8Array(64), r = new Uint8Array(64);
+  var i, j, x = new Float64Array(64);
+  var p = [gf(), gf(), gf(), gf()];
+
+  crypto_hash(d, sk, 32);
+  d[0] &= 248;
+  d[31] &= 127;
+  d[31] |= 64;
+
+  var smlen = n + 64;
+  for (i = 0; i < n; i++) sm[64 + i] = m[i];
+  for (i = 0; i < 32; i++) sm[32 + i] = d[32 + i];
+
+  crypto_hash(r, sm.subarray(32), n+32);
+  reduce(r);
+  scalarbase(p, r);
+  pack(sm, p);
+
+  for (i = 32; i < 64; i++) sm[i] = sk[i];
+  crypto_hash(h, sm, n + 64);
+  reduce(h);
+
+  for (i = 0; i < 64; i++) x[i] = 0;
+  for (i = 0; i < 32; i++) x[i] = r[i];
+  for (i = 0; i < 32; i++) {
+    for (j = 0; j < 32; j++) {
+      x[i+j] += h[i] * d[j];
+    }
+  }
+
+  modL(sm.subarray(32), x);
+  return smlen;
+}
+
+function unpackneg(r, p) {
+  var t = gf(), chk = gf(), num = gf(),
+      den = gf(), den2 = gf(), den4 = gf(),
+      den6 = gf();
+
+  set25519(r[2], gf1);
+  unpack25519(r[1], p);
+  S(num, r[1]);
+  M(den, num, D);
+  Z(num, num, r[2]);
+  A(den, r[2], den);
+
+  S(den2, den);
+  S(den4, den2);
+  M(den6, den4, den2);
+  M(t, den6, num);
+  M(t, t, den);
+
+  pow2523(t, t);
+  M(t, t, num);
+  M(t, t, den);
+  M(t, t, den);
+  M(r[0], t, den);
+
+  S(chk, r[0]);
+  M(chk, chk, den);
+  if (neq25519(chk, num)) M(r[0], r[0], I);
+
+  S(chk, r[0]);
+  M(chk, chk, den);
+  if (neq25519(chk, num)) return -1;
+
+  if (par25519(r[0]) === (p[31]>>7)) Z(r[0], gf0, r[0]);
+
+  M(r[3], r[0], r[1]);
+  return 0;
+}
+
+function crypto_sign_open(m, sm, n, pk) {
+  var i, mlen;
+  var t = new Uint8Array(32), h = new Uint8Array(64);
+  var p = [gf(), gf(), gf(), gf()],
+      q = [gf(), gf(), gf(), gf()];
+
+  mlen = -1;
+  if (n < 64) return -1;
+
+  if (unpackneg(q, pk)) return -1;
+
+  for (i = 0; i < n; i++) m[i] = sm[i];
+  for (i = 0; i < 32; i++) m[i+32] = pk[i];
+  crypto_hash(h, m, n);
+  reduce(h);
+  scalarmult(p, q, h);
+
+  scalarbase(q, sm.subarray(32));
+  add(p, q);
+  pack(t, p);
+
+  n -= 64;
+  if (crypto_verify_32(sm, 0, t, 0)) {
+    for (i = 0; i < n; i++) m[i] = 0;
+    return -1;
+  }
+
+  for (i = 0; i < n; i++) m[i] = sm[i + 64];
+  mlen = n;
+  return mlen;
+}
+
+var crypto_secretbox_KEYBYTES = 32,
+    crypto_secretbox_NONCEBYTES = 24,
+    crypto_secretbox_ZEROBYTES = 32,
+    crypto_secretbox_BOXZEROBYTES = 16,
+    crypto_scalarmult_BYTES = 32,
+    crypto_scalarmult_SCALARBYTES = 32,
+    crypto_box_PUBLICKEYBYTES = 32,
+    crypto_box_SECRETKEYBYTES = 32,
+    crypto_box_BEFORENMBYTES = 32,
+    crypto_box_NONCEBYTES = crypto_secretbox_NONCEBYTES,
+    crypto_box_ZEROBYTES = crypto_secretbox_ZEROBYTES,
+    crypto_box_BOXZEROBYTES = crypto_secretbox_BOXZEROBYTES,
+    crypto_sign_BYTES = 64,
+    crypto_sign_PUBLICKEYBYTES = 32,
+    crypto_sign_SECRETKEYBYTES = 64,
+    crypto_sign_SEEDBYTES = 32,
+    crypto_hash_BYTES = 64;
+
+nacl.lowlevel = {
+  crypto_core_hsalsa20: crypto_core_hsalsa20,
+  crypto_stream_xor: crypto_stream_xor,
+  crypto_stream: crypto_stream,
+  crypto_stream_salsa20_xor: crypto_stream_salsa20_xor,
+  crypto_stream_salsa20: crypto_stream_salsa20,
+  crypto_onetimeauth: crypto_onetimeauth,
+  crypto_onetimeauth_verify: crypto_onetimeauth_verify,
+  crypto_verify_16: crypto_verify_16,
+  crypto_verify_32: crypto_verify_32,
+  crypto_secretbox: crypto_secretbox,
+  crypto_secretbox_open: crypto_secretbox_open,
+  crypto_scalarmult: crypto_scalarmult,
+  crypto_scalarmult_base: crypto_scalarmult_base,
+  crypto_box_beforenm: crypto_box_beforenm,
+  crypto_box_afternm: crypto_box_afternm,
+  crypto_box: crypto_box,
+  crypto_box_open: crypto_box_open,
+  crypto_box_keypair: crypto_box_keypair,
+  crypto_hash: crypto_hash,
+  crypto_sign: crypto_sign,
+  crypto_sign_keypair: crypto_sign_keypair,
+  crypto_sign_open: crypto_sign_open,
+
+  crypto_secretbox_KEYBYTES: crypto_secretbox_KEYBYTES,
+  crypto_secretbox_NONCEBYTES: crypto_secretbox_NONCEBYTES,
+  crypto_secretbox_ZEROBYTES: crypto_secretbox_ZEROBYTES,
+  crypto_secretbox_BOXZEROBYTES: crypto_secretbox_BOXZEROBYTES,
+  crypto_scalarmult_BYTES: crypto_scalarmult_BYTES,
+  crypto_scalarmult_SCALARBYTES: crypto_scalarmult_SCALARBYTES,
+  crypto_box_PUBLICKEYBYTES: crypto_box_PUBLICKEYBYTES,
+  crypto_box_SECRETKEYBYTES: crypto_box_SECRETKEYBYTES,
+  crypto_box_BEFORENMBYTES: crypto_box_BEFORENMBYTES,
+  crypto_box_NONCEBYTES: crypto_box_NONCEBYTES,
+  crypto_box_ZEROBYTES: crypto_box_ZEROBYTES,
+  crypto_box_BOXZEROBYTES: crypto_box_BOXZEROBYTES,
+  crypto_sign_BYTES: crypto_sign_BYTES,
+  crypto_sign_PUBLICKEYBYTES: crypto_sign_PUBLICKEYBYTES,
+  crypto_sign_SECRETKEYBYTES: crypto_sign_SECRETKEYBYTES,
+  crypto_sign_SEEDBYTES: crypto_sign_SEEDBYTES,
+  crypto_hash_BYTES: crypto_hash_BYTES
+};
+
+/* High-level API */
+
+function checkLengths(k, n) {
+  if (k.length !== crypto_secretbox_KEYBYTES) throw new Error('bad key size');
+  if (n.length !== crypto_secretbox_NONCEBYTES) throw new Error('bad nonce size');
+}
+
+function checkBoxLengths(pk, sk) {
+  if (pk.length !== crypto_box_PUBLICKEYBYTES) throw new Error('bad public key size');
+  if (sk.length !== crypto_box_SECRETKEYBYTES) throw new Error('bad secret key size');
+}
+
+function checkArrayTypes() {
+  var t, i;
+  for (i = 0; i < arguments.length; i++) {
+     if ((t = Object.prototype.toString.call(arguments[i])) !== '[object Uint8Array]')
+       throw new TypeError('unexpected type ' + t + ', use Uint8Array');
+  }
+}
+
+function cleanup(arr) {
+  for (var i = 0; i < arr.length; i++) arr[i] = 0;
+}
+
+// TODO: Completely remove this in v0.15.
+if (!nacl.util) {
+  nacl.util = {};
+  nacl.util.decodeUTF8 = nacl.util.encodeUTF8 = nacl.util.encodeBase64 = nacl.util.decodeBase64 = function() {
+    throw new Error('nacl.util moved into separate package: https://github.com/dchest/tweetnacl-util-js');
+  };
+}
+
+nacl.randomBytes = function(n) {
+  var b = new Uint8Array(n);
+  randombytes(b, n);
+  return b;
+};
+
+nacl.secretbox = function(msg, nonce, key) {
+  checkArrayTypes(msg, nonce, key);
+  checkLengths(key, nonce);
+  var m = new Uint8Array(crypto_secretbox_ZEROBYTES + msg.length);
+  var c = new Uint8Array(m.length);
+  for (var i = 0; i < msg.length; i++) m[i+crypto_secretbox_ZEROBYTES] = msg[i];
+  crypto_secretbox(c, m, m.length, nonce, key);
+  return c.subarray(crypto_secretbox_BOXZEROBYTES);
+};
+
+nacl.secretbox.open = function(box, nonce, key) {
+  checkArrayTypes(box, nonce, key);
+  checkLengths(key, nonce);
+  var c = new Uint8Array(crypto_secretbox_BOXZEROBYTES + box.length);
+  var m = new Uint8Array(c.length);
+  for (var i = 0; i < box.length; i++) c[i+crypto_secretbox_BOXZEROBYTES] = box[i];
+  if (c.length < 32) return false;
+  if (crypto_secretbox_open(m, c, c.length, nonce, key) !== 0) return false;
+  return m.subarray(crypto_secretbox_ZEROBYTES);
+};
+
+nacl.secretbox.keyLength = crypto_secretbox_KEYBYTES;
+nacl.secretbox.nonceLength = crypto_secretbox_NONCEBYTES;
+nacl.secretbox.overheadLength = crypto_secretbox_BOXZEROBYTES;
+
+nacl.scalarMult = function(n, p) {
+  checkArrayTypes(n, p);
+  if (n.length !== crypto_scalarmult_SCALARBYTES) throw new Error('bad n size');
+  if (p.length !== crypto_scalarmult_BYTES) throw new Error('bad p size');
+  var q = new Uint8Array(crypto_scalarmult_BYTES);
+  crypto_scalarmult(q, n, p);
+  return q;
+};
+
+nacl.scalarMult.base = function(n) {
+  checkArrayTypes(n);
+  if (n.length !== crypto_scalarmult_SCALARBYTES) throw new Error('bad n size');
+  var q = new Uint8Array(crypto_scalarmult_BYTES);
+  crypto_scalarmult_base(q, n);
+  return q;
+};
+
+nacl.scalarMult.scalarLength = crypto_scalarmult_SCALARBYTES;
+nacl.scalarMult.groupElementLength = crypto_scalarmult_BYTES;
+
+nacl.box = function(msg, nonce, publicKey, secretKey) {
+  var k = nacl.box.before(publicKey, secretKey);
+  return nacl.secretbox(msg, nonce, k);
+};
+
+nacl.box.before = function(publicKey, secretKey) {
+  checkArrayTypes(publicKey, secretKey);
+  checkBoxLengths(publicKey, secretKey);
+  var k = new Uint8Array(crypto_box_BEFORENMBYTES);
+  crypto_box_beforenm(k, publicKey, secretKey);
+  return k;
+};
+
+nacl.box.after = nacl.secretbox;
+
+nacl.box.open = function(msg, nonce, publicKey, secretKey) {
+  var k = nacl.box.before(publicKey, secretKey);
+  return nacl.secretbox.open(msg, nonce, k);
+};
+
+nacl.box.open.after = nacl.secretbox.open;
+
+nacl.box.keyPair = function() {
+  var pk = new Uint8Array(crypto_box_PUBLICKEYBYTES);
+  var sk = new Uint8Array(crypto_box_SECRETKEYBYTES);
+  crypto_box_keypair(pk, sk);
+  return {publicKey: pk, secretKey: sk};
+};
+
+nacl.box.keyPair.fromSecretKey = function(secretKey) {
+  checkArrayTypes(secretKey);
+  if (secretKey.length !== crypto_box_SECRETKEYBYTES)
+    throw new Error('bad secret key size');
+  var pk = new Uint8Array(crypto_box_PUBLICKEYBYTES);
+  crypto_scalarmult_base(pk, secretKey);
+  return {publicKey: pk, secretKey: new Uint8Array(secretKey)};
+};
+
+nacl.box.publicKeyLength = crypto_box_PUBLICKEYBYTES;
+nacl.box.secretKeyLength = crypto_box_SECRETKEYBYTES;
+nacl.box.sharedKeyLength = crypto_box_BEFORENMBYTES;
+nacl.box.nonceLength = crypto_box_NONCEBYTES;
+nacl.box.overheadLength = nacl.secretbox.overheadLength;
+
+nacl.sign = function(msg, secretKey) {
+  checkArrayTypes(msg, secretKey);
+  if (secretKey.length !== crypto_sign_SECRETKEYBYTES)
+    throw new Error('bad secret key size');
+  var signedMsg = new Uint8Array(crypto_sign_BYTES+msg.length);
+  crypto_sign(signedMsg, msg, msg.length, secretKey);
+  return signedMsg;
+};
+
+nacl.sign.open = function(signedMsg, publicKey) {
+  if (arguments.length !== 2)
+    throw new Error('nacl.sign.open accepts 2 arguments; did you mean to use nacl.sign.detached.verify?');
+  checkArrayTypes(signedMsg, publicKey);
+  if (publicKey.length !== crypto_sign_PUBLICKEYBYTES)
+    throw new Error('bad public key size');
+  var tmp = new Uint8Array(signedMsg.length);
+  var mlen = crypto_sign_open(tmp, signedMsg, signedMsg.length, publicKey);
+  if (mlen < 0) return null;
+  var m = new Uint8Array(mlen);
+  for (var i = 0; i < m.length; i++) m[i] = tmp[i];
+  return m;
+};
+
+nacl.sign.detached = function(msg, secretKey) {
+  var signedMsg = nacl.sign(msg, secretKey);
+  var sig = new Uint8Array(crypto_sign_BYTES);
+  for (var i = 0; i < sig.length; i++) sig[i] = signedMsg[i];
+  return sig;
+};
+
+nacl.sign.detached.verify = function(msg, sig, publicKey) {
+  checkArrayTypes(msg, sig, publicKey);
+  if (sig.length !== crypto_sign_BYTES)
+    throw new Error('bad signature size');
+  if (publicKey.length !== crypto_sign_PUBLICKEYBYTES)
+    throw new Error('bad public key size');
+  var sm = new Uint8Array(crypto_sign_BYTES + msg.length);
+  var m = new Uint8Array(crypto_sign_BYTES + msg.length);
+  var i;
+  for (i = 0; i < crypto_sign_BYTES; i++) sm[i] = sig[i];
+  for (i = 0; i < msg.length; i++) sm[i+crypto_sign_BYTES] = msg[i];
+  return (crypto_sign_open(m, sm, sm.length, publicKey) >= 0);
+};
+
+nacl.sign.keyPair = function() {
+  var pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES);
+  var sk = new Uint8Array(crypto_sign_SECRETKEYBYTES);
+  crypto_sign_keypair(pk, sk);
+  return {publicKey: pk, secretKey: sk};
+};
+
+nacl.sign.keyPair.fromSecretKey = function(secretKey) {
+  checkArrayTypes(secretKey);
+  if (secretKey.length !== crypto_sign_SECRETKEYBYTES)
+    throw new Error('bad secret key size');
+  var pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES);
+  for (var i = 0; i < pk.length; i++) pk[i] = secretKey[32+i];
+  return {publicKey: pk, secretKey: new Uint8Array(secretKey)};
+};
+
+nacl.sign.keyPair.fromSeed = function(seed) {
+  checkArrayTypes(seed);
+  if (seed.length !== crypto_sign_SEEDBYTES)
+    throw new Error('bad seed size');
+  var pk = new Uint8Array(crypto_sign_PUBLICKEYBYTES);
+  var sk = new Uint8Array(crypto_sign_SECRETKEYBYTES);
+  for (var i = 0; i < 32; i++) sk[i] = seed[i];
+  crypto_sign_keypair(pk, sk, true);
+  return {publicKey: pk, secretKey: sk};
+};
+
+nacl.sign.publicKeyLength = crypto_sign_PUBLICKEYBYTES;
+nacl.sign.secretKeyLength = crypto_sign_SECRETKEYBYTES;
+nacl.sign.seedLength = crypto_sign_SEEDBYTES;
+nacl.sign.signatureLength = crypto_sign_BYTES;
+
+nacl.hash = function(msg) {
+  checkArrayTypes(msg);
+  var h = new Uint8Array(crypto_hash_BYTES);
+  crypto_hash(h, msg, msg.length);
+  return h;
+};
+
+nacl.hash.hashLength = crypto_hash_BYTES;
+
+nacl.verify = function(x, y) {
+  checkArrayTypes(x, y);
+  // Zero length arguments are considered not equal.
+  if (x.length === 0 || y.length === 0) return false;
+  if (x.length !== y.length) return false;
+  return (vn(x, 0, y, 0, x.length) === 0) ? true : false;
+};
+
+nacl.setPRNG = function(fn) {
+  randombytes = fn;
+};
+
+(function() {
+  // Initialize PRNG if environment provides CSPRNG.
+  // If not, methods calling randombytes will throw.
+  var crypto = typeof self !== 'undefined' ? (self.crypto || self.msCrypto) : null;
+  if (crypto && crypto.getRandomValues) {
+    // Browsers.
+    var QUOTA = 65536;
+    nacl.setPRNG(function(x, n) {
+      var i, v = new Uint8Array(n);
+      for (i = 0; i < n; i += QUOTA) {
+        crypto.getRandomValues(v.subarray(i, i + Math.min(n - i, QUOTA)));
+      }
+      for (i = 0; i < n; i++) x[i] = v[i];
+      cleanup(v);
+    });
+  } else if (typeof require !== 'undefined') {
+    // Node.js.
+    crypto = require('crypto');
+    if (crypto && crypto.randomBytes) {
+      nacl.setPRNG(function(x, n) {
+        var i, v = crypto.randomBytes(n);
+        for (i = 0; i < n; i++) x[i] = v[i];
+        cleanup(v);
+      });
+    }
+  }
+})();
+
+})(typeof module !== 'undefined' && module.exports ? module.exports : (self.nacl = self.nacl || {}));
diff --git a/node_modules/tweetnacl/nacl.min.js b/node_modules/tweetnacl/nacl.min.js
new file mode 100644
index 000000000..4484974e6
--- /dev/null
+++ b/node_modules/tweetnacl/nacl.min.js
@@ -0,0 +1 @@
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sr(2820302411,3158454273),new sr(3259730800,3505952657),new sr(3345764771,106217008),new sr(3516065817,3606008344),new sr(3600352804,1432725776),new sr(4094571909,1467031594),new sr(275423344,851169720),new sr(430227734,3100823752),new sr(506948616,1363258195),new sr(659060556,3750685593),new sr(883997877,3785050280),new sr(958139571,3318307427),new sr(1322822218,3812723403),new sr(1537002063,2003034995),new sr(1747873779,3602036899),new sr(1955562222,1575990012),new sr(2024104815,1125592928),new sr(2227730452,2716904306),new sr(2361852424,442776044),new sr(2428436474,593698344),new sr(2756734187,3733110249),new sr(3204031479,2999351573),new sr(3329325298,3815920427),new sr(3391569614,3928383900),new sr(3515267271,566280711),new sr(3940187606,3454069534),new sr(4118630271,4000239992),new sr(116418474,1914138554),new sr(174292421,2731055270),new sr(289380356,3203993006),new sr(460393269,320620315),new sr(685471733,587496836),new sr(852142971,1086792851),new sr(1017036298,365543100),new sr(1126000580,2618297676),new sr(1288033470,3409855158),new sr(1501505948,4234509866),new sr(1607167915,987167468),new sr(1816402316,1246189591)],Lr=new Uint8Array([106,9,230,103,243,188,201,8,187,103,174,133,132,202,167,59,60,110,243,114,254,148,248,43,165,79,245,58,95,29,54,241,81,14,82,127,173,230,130,209,155,5,104,140,43,62,108,31,31,131,217,171,251,65,189,107,91,224,205,25,19,126,33,121]),kr=new 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new Error("nacl.util moved into separate package: https://github.com/dchest/tweetnacl-util-js")}),r.randomBytes=function(r){var n=new Uint8Array(r);return gr(n,r),n},r.secretbox=function(r,n,e){yr(r,n,e),cr(e,n);for(var t=new Uint8Array(Pr+r.length),o=new Uint8Array(t.length),i=0;i<r.length;i++)t[i+Pr]=r[i];return _(o,t,t.length,n,e),o.subarray(Or)},r.secretbox.open=function(r,n,e){yr(r,n,e),cr(e,n);for(var t=new Uint8Array(Or+r.length),o=new Uint8Array(t.length),i=0;i<r.length;i++)t[i+Or]=r[i];return!(t.length<32)&&(0===A(o,t,t.length,n,e)&&o.subarray(Pr))},r.secretbox.keyLength=zr,r.secretbox.nonceLength=Rr,r.secretbox.overheadLength=Or,r.scalarMult=function(r,n){if(yr(r,n),r.length!==Nr)throw new Error("bad n size");if(n.length!==Fr)throw new Error("bad p size");var e=new Uint8Array(Fr);return R(e,r,n),e},r.scalarMult.base=function(r){if(yr(r),r.length!==Nr)throw new Error("bad n size");var n=new Uint8Array(Fr);return P(n,r),n},r.scalarMult.scalarLength=Nr,r.scalarMult.groupElementLength=Fr,r.box=function(n,e,t,o){var i=r.box.before(t,o);return r.secretbox(n,e,i)},r.box.before=function(r,n){yr(r,n),wr(r,n);var e=new Uint8Array(Gr);return F(e,r,n),e},r.box.after=r.secretbox,r.box.open=function(n,e,t,o){var i=r.box.before(t,o);return r.secretbox.open(n,e,i)},r.box.open.after=r.secretbox.open,r.box.keyPair=function(){var r=new Uint8Array(Cr),n=new Uint8Array(Mr);return O(r,n),{publicKey:r,secretKey:n}},r.box.keyPair.fromSecretKey=function(r){if(yr(r),r.length!==Mr)throw new Error("bad secret key size");var n=new Uint8Array(Cr);return P(n,r),{publicKey:n,secretKey:new Uint8Array(r)}},r.box.publicKeyLength=Cr,r.box.secretKeyLength=Mr,r.box.sharedKeyLength=Gr,r.box.nonceLength=Zr,r.box.overheadLength=r.secretbox.overheadLength,r.sign=function(r,n){if(yr(r,n),n.length!==Xr)throw new Error("bad secret key size");var e=new Uint8Array(Ir+r.length);return ar(e,r,r.length,n),e},r.sign.open=function(r,n){if(2!==arguments.length)throw new Error("nacl.sign.open accepts 2 arguments; did you mean to use nacl.sign.detached.verify?");if(yr(r,n),n.length!==Vr)throw new Error("bad public key size");var e=new Uint8Array(r.length),t=ur(e,r,r.length,n);if(t<0)return null;for(var o=new Uint8Array(t),i=0;i<o.length;i++)o[i]=e[i];return o},r.sign.detached=function(n,e){for(var t=r.sign(n,e),o=new Uint8Array(Ir),i=0;i<o.length;i++)o[i]=t[i];return o},r.sign.detached.verify=function(r,n,e){if(yr(r,n,e),n.length!==Ir)throw new Error("bad signature size");if(e.length!==Vr)throw new Error("bad public key size");var t,o=new Uint8Array(Ir+r.length),i=new Uint8Array(Ir+r.length);for(t=0;t<Ir;t++)o[t]=n[t];for(t=0;t<r.length;t++)o[t+Ir]=r[t];return ur(i,o,o.length,e)>=0},r.sign.keyPair=function(){var r=new Uint8Array(Vr),n=new Uint8Array(Xr);return tr(r,n),{publicKey:r,secretKey:n}},r.sign.keyPair.fromSecretKey=function(r){if(yr(r),r.length!==Xr)throw new Error("bad secret key size");for(var n=new Uint8Array(Vr),e=0;e<n.length;e++)n[e]=r[32+e];return{publicKey:n,secretKey:new Uint8Array(r)}},r.sign.keyPair.fromSeed=function(r){if(yr(r),r.length!==Dr)throw new Error("bad seed size");for(var n=new Uint8Array(Vr),e=new Uint8Array(Xr),t=0;t<32;t++)e[t]=r[t];return tr(n,e,!0),{publicKey:n,secretKey:e}},r.sign.publicKeyLength=Vr,r.sign.secretKeyLength=Xr,r.sign.seedLength=Dr,r.sign.signatureLength=Ir,r.hash=function(r){yr(r);var n=new Uint8Array(Hr);return Q(n,r,r.length),n},r.hash.hashLength=Hr,r.verify=function(r,n){return yr(r,n),0!==r.length&&0!==n.length&&(r.length===n.length&&0===a(r,0,n,0,r.length))},r.setPRNG=function(r){gr=r},function(){var n="undefined"!=typeof self?self.crypto||self.msCrypto:null;if(n&&n.getRandomValues){var e=65536;r.setPRNG(function(r,t){var o,i=new Uint8Array(t);for(o=0;o<t;o+=e)n.getRandomValues(i.subarray(o,o+Math.min(t-o,e)));for(o=0;o<t;o++)r[o]=i[o];lr(i)})}else"undefined"!=typeof require&&(n=require("crypto"),n&&n.randomBytes&&r.setPRNG(function(r,e){var t,o=n.randomBytes(e);for(t=0;t<e;t++)r[t]=o[t];lr(o)}))}()}("undefined"!=typeof module&&module.exports?module.exports:self.nacl=self.nacl||{});
\ No newline at end of file
diff --git a/node_modules/tweetnacl/package.json b/node_modules/tweetnacl/package.json
new file mode 100644
index 000000000..702e85b80
--- /dev/null
+++ b/node_modules/tweetnacl/package.json
@@ -0,0 +1,58 @@
+{
+  "name": "tweetnacl",
+  "version": "0.14.5",
+  "description": "Port of TweetNaCl cryptographic library to JavaScript",
+  "main": "nacl-fast.js",
+  "types": "nacl.d.ts",
+  "directories": {
+    "test": "test"
+  },
+  "scripts": {
+    "build": "uglifyjs nacl.js -c -m -o nacl.min.js && uglifyjs nacl-fast.js -c -m -o nacl-fast.min.js",
+    "test-node": "tape test/*.js | faucet",
+    "test-node-all": "make -C test/c && tape test/*.js test/c/*.js | faucet",
+    "test-browser": "NACL_SRC=${NACL_SRC:='nacl.min.js'} && npm run build-test-browser && cat $NACL_SRC test/browser/_bundle.js | tape-run | faucet",
+    "build-test-browser": "browserify test/browser/init.js test/*.js | uglifyjs -c -m -o test/browser/_bundle.js 2>/dev/null && browserify test/browser/init.js test/*.quick.js | uglifyjs -c -m -o test/browser/_bundle-quick.js 2>/dev/null",
+    "test": "npm run test-node-all && npm run test-browser",
+    "bench": "node test/benchmark/bench.js",
+    "lint": "eslint nacl.js nacl-fast.js test/*.js test/benchmark/*.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/dchest/tweetnacl-js.git"
+  },
+  "keywords": [
+    "crypto",
+    "cryptography",
+    "curve25519",
+    "ed25519",
+    "encrypt",
+    "hash",
+    "key",
+    "nacl",
+    "poly1305",
+    "public",
+    "salsa20",
+    "signatures"
+  ],
+  "author": "TweetNaCl-js contributors",
+  "license": "Unlicense",
+  "bugs": {
+    "url": "https://github.com/dchest/tweetnacl-js/issues"
+  },
+  "homepage": "https://tweetnacl.js.org",
+  "devDependencies": {
+    "browserify": "^13.0.0",
+    "eslint": "^2.2.0",
+    "faucet": "^0.0.1",
+    "tap-browser-color": "^0.1.2",
+    "tape": "^4.4.0",
+    "tape-run": "^2.1.3",
+    "tweetnacl-util": "^0.13.3",
+    "uglify-js": "^2.6.1"
+  },
+  "browser": {
+    "buffer": false,
+    "crypto": false
+  }
+}
diff --git a/node_modules/type-is/HISTORY.md b/node_modules/type-is/HISTORY.md
new file mode 100644
index 000000000..8de21f7ae
--- /dev/null
+++ b/node_modules/type-is/HISTORY.md
@@ -0,0 +1,259 @@
+1.6.18 / 2019-04-26
+===================
+
+  * Fix regression passing request object to `typeis.is`
+
+1.6.17 / 2019-04-25
+===================
+
+  * deps: mime-types@~2.1.24
+    - Add Apple file extensions from IANA
+    - Add extension `.csl` to `application/vnd.citationstyles.style+xml`
+    - Add extension `.es` to `application/ecmascript`
+    - Add extension `.nq` to `application/n-quads`
+    - Add extension `.nt` to `application/n-triples`
+    - Add extension `.owl` to `application/rdf+xml`
+    - Add extensions `.siv` and `.sieve` to `application/sieve`
+    - Add extensions from IANA for `image/*` types
+    - Add extensions from IANA for `model/*` types
+    - Add extensions to HEIC image types
+    - Add new mime types
+    - Add `text/mdx` with extension `.mdx`
+  * perf: prevent internal `throw` on invalid type
+
+1.6.16 / 2018-02-16
+===================
+
+  * deps: mime-types@~2.1.18
+    - Add `application/raml+yaml` with extension `.raml`
+    - Add `application/wasm` with extension `.wasm`
+    - Add `text/shex` with extension `.shex`
+    - Add extensions for JPEG-2000 images
+    - Add extensions from IANA for `message/*` types
+    - Add extension `.mjs` to `application/javascript`
+    - Add extension `.wadl` to `application/vnd.sun.wadl+xml`
+    - Add extension `.gz` to `application/gzip`
+    - Add glTF types and extensions
+    - Add new mime types
+    - Update extensions `.md` and `.markdown` to be `text/markdown`
+    - Update font MIME types
+    - Update `text/hjson` to registered `application/hjson`
+
+1.6.15 / 2017-03-31
+===================
+
+  * deps: mime-types@~2.1.15
+    - Add new mime types
+
+1.6.14 / 2016-11-18
+===================
+
+  * deps: mime-types@~2.1.13
+    - Add new mime types
+
+1.6.13 / 2016-05-18
+===================
+
+  * deps: mime-types@~2.1.11
+    - Add new mime types
+
+1.6.12 / 2016-02-28
+===================
+
+  * deps: mime-types@~2.1.10
+    - Add new mime types
+    - Fix extension of `application/dash+xml`
+    - Update primary extension for `audio/mp4`
+
+1.6.11 / 2016-01-29
+===================
+
+  * deps: mime-types@~2.1.9
+    - Add new mime types
+
+1.6.10 / 2015-12-01
+===================
+
+  * deps: mime-types@~2.1.8
+    - Add new mime types
+
+1.6.9 / 2015-09-27
+==================
+
+  * deps: mime-types@~2.1.7
+    - Add new mime types
+
+1.6.8 / 2015-09-04
+==================
+
+  * deps: mime-types@~2.1.6
+    - Add new mime types
+
+1.6.7 / 2015-08-20
+==================
+
+  * Fix type error when given invalid type to match against
+  * deps: mime-types@~2.1.5
+    - Add new mime types
+
+1.6.6 / 2015-07-31
+==================
+
+  * deps: mime-types@~2.1.4
+    - Add new mime types
+
+1.6.5 / 2015-07-16
+==================
+
+  * deps: mime-types@~2.1.3
+    - Add new mime types
+
+1.6.4 / 2015-07-01
+==================
+
+  * deps: mime-types@~2.1.2
+    - Add new mime types
+  * perf: enable strict mode
+  * perf: remove argument reassignment
+
+1.6.3 / 2015-06-08
+==================
+
+  * deps: mime-types@~2.1.1
+    - Add new mime types
+  * perf: reduce try block size
+  * perf: remove bitwise operations
+
+1.6.2 / 2015-05-10
+==================
+
+  * deps: mime-types@~2.0.11
+    - Add new mime types
+
+1.6.1 / 2015-03-13
+==================
+
+  * deps: mime-types@~2.0.10
+    - Add new mime types
+
+1.6.0 / 2015-02-12
+==================
+
+  * fix false-positives in `hasBody` `Transfer-Encoding` check
+  * support wildcard for both type and subtype (`*/*`)
+
+1.5.7 / 2015-02-09
+==================
+
+  * fix argument reassignment
+  * deps: mime-types@~2.0.9
+    - Add new mime types
+
+1.5.6 / 2015-01-29
+==================
+
+  * deps: mime-types@~2.0.8
+    - Add new mime types
+
+1.5.5 / 2014-12-30
+==================
+
+  * deps: mime-types@~2.0.7
+    - Add new mime types
+    - Fix missing extensions
+    - Fix various invalid MIME type entries
+    - Remove example template MIME types
+    - deps: mime-db@~1.5.0
+
+1.5.4 / 2014-12-10
+==================
+
+  * deps: mime-types@~2.0.4
+    - Add new mime types
+    - deps: mime-db@~1.3.0
+
+1.5.3 / 2014-11-09
+==================
+
+  * deps: mime-types@~2.0.3
+    - Add new mime types
+    - deps: mime-db@~1.2.0
+
+1.5.2 / 2014-09-28
+==================
+
+  * deps: mime-types@~2.0.2
+    - Add new mime types
+    - deps: mime-db@~1.1.0
+
+1.5.1 / 2014-09-07
+==================
+
+  * Support Node.js 0.6
+  * deps: media-typer@0.3.0
+  * deps: mime-types@~2.0.1
+    - Support Node.js 0.6
+
+1.5.0 / 2014-09-05
+==================
+
+ * fix `hasbody` to be true for `content-length: 0`
+
+1.4.0 / 2014-09-02
+==================
+
+ * update mime-types
+
+1.3.2 / 2014-06-24
+==================
+
+ * use `~` range on mime-types
+
+1.3.1 / 2014-06-19
+==================
+
+ * fix global variable leak
+
+1.3.0 / 2014-06-19
+==================
+
+ * improve type parsing
+
+   - invalid media type never matches
+   - media type not case-sensitive
+   - extra LWS does not affect results
+
+1.2.2 / 2014-06-19
+==================
+
+ * fix behavior on unknown type argument
+
+1.2.1 / 2014-06-03
+==================
+
+ * switch dependency from `mime` to `mime-types@1.0.0`
+
+1.2.0 / 2014-05-11
+==================
+
+ * support suffix matching:
+
+   - `+json` matches `application/vnd+json`
+   - `*/vnd+json` matches `application/vnd+json`
+   - `application/*+json` matches `application/vnd+json`
+
+1.1.0 / 2014-04-12
+==================
+
+ * add non-array values support
+ * expose internal utilities:
+
+   - `.is()`
+   - `.hasBody()`
+   - `.normalize()`
+   - `.match()`
+
+1.0.1 / 2014-03-30
+==================
+
+ * add `multipart` as a shorthand
diff --git a/node_modules/type-is/LICENSE b/node_modules/type-is/LICENSE
new file mode 100644
index 000000000..386b7b694
--- /dev/null
+++ b/node_modules/type-is/LICENSE
@@ -0,0 +1,23 @@
+(The MIT License)
+
+Copyright (c) 2014 Jonathan Ong <me@jongleberry.com>
+Copyright (c) 2014-2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/type-is/README.md b/node_modules/type-is/README.md
new file mode 100644
index 000000000..b85ef8f78
--- /dev/null
+++ b/node_modules/type-is/README.md
@@ -0,0 +1,170 @@
+# type-is
+
+[![NPM Version][npm-version-image]][npm-url]
+[![NPM Downloads][npm-downloads-image]][npm-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Infer the content-type of a request.
+
+### Install
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally):
+
+```sh
+$ npm install type-is
+```
+
+## API
+
+```js
+var http = require('http')
+var typeis = require('type-is')
+
+http.createServer(function (req, res) {
+  var istext = typeis(req, ['text/*'])
+  res.end('you ' + (istext ? 'sent' : 'did not send') + ' me text')
+})
+```
+
+### typeis(request, types)
+
+Checks if the `request` is one of the `types`. If the request has no body,
+even if there is a `Content-Type` header, then `null` is returned. If the
+`Content-Type` header is invalid or does not matches any of the `types`, then
+`false` is returned. Otherwise, a string of the type that matched is returned.
+
+The `request` argument is expected to be a Node.js HTTP request. The `types`
+argument is an array of type strings.
+
+Each type in the `types` array can be one of the following:
+
+- A file extension name such as `json`. This name will be returned if matched.
+- A mime type such as `application/json`.
+- A mime type with a wildcard such as `*/*` or `*/json` or `application/*`.
+  The full mime type will be returned if matched.
+- A suffix such as `+json`. This can be combined with a wildcard such as
+  `*/vnd+json` or `application/*+json`. The full mime type will be returned
+  if matched.
+
+Some examples to illustrate the inputs and returned value:
+
+<!-- eslint-disable no-undef -->
+
+```js
+// req.headers.content-type = 'application/json'
+
+typeis(req, ['json']) // => 'json'
+typeis(req, ['html', 'json']) // => 'json'
+typeis(req, ['application/*']) // => 'application/json'
+typeis(req, ['application/json']) // => 'application/json'
+
+typeis(req, ['html']) // => false
+```
+
+### typeis.hasBody(request)
+
+Returns a Boolean if the given `request` has a body, regardless of the
+`Content-Type` header.
+
+Having a body has no relation to how large the body is (it may be 0 bytes).
+This is similar to how file existence works. If a body does exist, then this
+indicates that there is data to read from the Node.js request stream.
+
+<!-- eslint-disable no-undef -->
+
+```js
+if (typeis.hasBody(req)) {
+  // read the body, since there is one
+
+  req.on('data', function (chunk) {
+    // ...
+  })
+}
+```
+
+### typeis.is(mediaType, types)
+
+Checks if the `mediaType` is one of the `types`. If the `mediaType` is invalid
+or does not matches any of the `types`, then `false` is returned. Otherwise, a
+string of the type that matched is returned.
+
+The `mediaType` argument is expected to be a
+[media type](https://tools.ietf.org/html/rfc6838) string. The `types` argument
+is an array of type strings.
+
+Each type in the `types` array can be one of the following:
+
+- A file extension name such as `json`. This name will be returned if matched.
+- A mime type such as `application/json`.
+- A mime type with a wildcard such as `*/*` or `*/json` or `application/*`.
+  The full mime type will be returned if matched.
+- A suffix such as `+json`. This can be combined with a wildcard such as
+  `*/vnd+json` or `application/*+json`. The full mime type will be returned
+  if matched.
+
+Some examples to illustrate the inputs and returned value:
+
+<!-- eslint-disable no-undef -->
+
+```js
+var mediaType = 'application/json'
+
+typeis.is(mediaType, ['json']) // => 'json'
+typeis.is(mediaType, ['html', 'json']) // => 'json'
+typeis.is(mediaType, ['application/*']) // => 'application/json'
+typeis.is(mediaType, ['application/json']) // => 'application/json'
+
+typeis.is(mediaType, ['html']) // => false
+```
+
+## Examples
+
+### Example body parser
+
+```js
+var express = require('express')
+var typeis = require('type-is')
+
+var app = express()
+
+app.use(function bodyParser (req, res, next) {
+  if (!typeis.hasBody(req)) {
+    return next()
+  }
+
+  switch (typeis(req, ['urlencoded', 'json', 'multipart'])) {
+    case 'urlencoded':
+      // parse urlencoded body
+      throw new Error('implement urlencoded body parsing')
+    case 'json':
+      // parse json body
+      throw new Error('implement json body parsing')
+    case 'multipart':
+      // parse multipart body
+      throw new Error('implement multipart body parsing')
+    default:
+      // 415 error code
+      res.statusCode = 415
+      res.end()
+      break
+  }
+})
+```
+
+## License
+
+[MIT](LICENSE)
+
+[coveralls-image]: https://badgen.net/coveralls/c/github/jshttp/type-is/master
+[coveralls-url]: https://coveralls.io/r/jshttp/type-is?branch=master
+[node-version-image]: https://badgen.net/npm/node/type-is
+[node-version-url]: https://nodejs.org/en/download
+[npm-downloads-image]: https://badgen.net/npm/dm/type-is
+[npm-url]: https://npmjs.org/package/type-is
+[npm-version-image]: https://badgen.net/npm/v/type-is
+[travis-image]: https://badgen.net/travis/jshttp/type-is/master
+[travis-url]: https://travis-ci.org/jshttp/type-is
diff --git a/node_modules/type-is/index.js b/node_modules/type-is/index.js
new file mode 100644
index 000000000..890ad76c7
--- /dev/null
+++ b/node_modules/type-is/index.js
@@ -0,0 +1,266 @@
+/*!
+ * type-is
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2014-2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module dependencies.
+ * @private
+ */
+
+var typer = require('media-typer')
+var mime = require('mime-types')
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = typeofrequest
+module.exports.is = typeis
+module.exports.hasBody = hasbody
+module.exports.normalize = normalize
+module.exports.match = mimeMatch
+
+/**
+ * Compare a `value` content-type with `types`.
+ * Each `type` can be an extension like `html`,
+ * a special shortcut like `multipart` or `urlencoded`,
+ * or a mime type.
+ *
+ * If no types match, `false` is returned.
+ * Otherwise, the first `type` that matches is returned.
+ *
+ * @param {String} value
+ * @param {Array} types
+ * @public
+ */
+
+function typeis (value, types_) {
+  var i
+  var types = types_
+
+  // remove parameters and normalize
+  var val = tryNormalizeType(value)
+
+  // no type or invalid
+  if (!val) {
+    return false
+  }
+
+  // support flattened arguments
+  if (types && !Array.isArray(types)) {
+    types = new Array(arguments.length - 1)
+    for (i = 0; i < types.length; i++) {
+      types[i] = arguments[i + 1]
+    }
+  }
+
+  // no types, return the content type
+  if (!types || !types.length) {
+    return val
+  }
+
+  var type
+  for (i = 0; i < types.length; i++) {
+    if (mimeMatch(normalize(type = types[i]), val)) {
+      return type[0] === '+' || type.indexOf('*') !== -1
+        ? val
+        : type
+    }
+  }
+
+  // no matches
+  return false
+}
+
+/**
+ * Check if a request has a request body.
+ * A request with a body __must__ either have `transfer-encoding`
+ * or `content-length` headers set.
+ * http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.3
+ *
+ * @param {Object} request
+ * @return {Boolean}
+ * @public
+ */
+
+function hasbody (req) {
+  return req.headers['transfer-encoding'] !== undefined ||
+    !isNaN(req.headers['content-length'])
+}
+
+/**
+ * Check if the incoming request contains the "Content-Type"
+ * header field, and it contains any of the give mime `type`s.
+ * If there is no request body, `null` is returned.
+ * If there is no content type, `false` is returned.
+ * Otherwise, it returns the first `type` that matches.
+ *
+ * Examples:
+ *
+ *     // With Content-Type: text/html; charset=utf-8
+ *     this.is('html'); // => 'html'
+ *     this.is('text/html'); // => 'text/html'
+ *     this.is('text/*', 'application/json'); // => 'text/html'
+ *
+ *     // When Content-Type is application/json
+ *     this.is('json', 'urlencoded'); // => 'json'
+ *     this.is('application/json'); // => 'application/json'
+ *     this.is('html', 'application/*'); // => 'application/json'
+ *
+ *     this.is('html'); // => false
+ *
+ * @param {String|Array} types...
+ * @return {String|false|null}
+ * @public
+ */
+
+function typeofrequest (req, types_) {
+  var types = types_
+
+  // no body
+  if (!hasbody(req)) {
+    return null
+  }
+
+  // support flattened arguments
+  if (arguments.length > 2) {
+    types = new Array(arguments.length - 1)
+    for (var i = 0; i < types.length; i++) {
+      types[i] = arguments[i + 1]
+    }
+  }
+
+  // request content type
+  var value = req.headers['content-type']
+
+  return typeis(value, types)
+}
+
+/**
+ * Normalize a mime type.
+ * If it's a shorthand, expand it to a valid mime type.
+ *
+ * In general, you probably want:
+ *
+ *   var type = is(req, ['urlencoded', 'json', 'multipart']);
+ *
+ * Then use the appropriate body parsers.
+ * These three are the most common request body types
+ * and are thus ensured to work.
+ *
+ * @param {String} type
+ * @private
+ */
+
+function normalize (type) {
+  if (typeof type !== 'string') {
+    // invalid type
+    return false
+  }
+
+  switch (type) {
+    case 'urlencoded':
+      return 'application/x-www-form-urlencoded'
+    case 'multipart':
+      return 'multipart/*'
+  }
+
+  if (type[0] === '+') {
+    // "+json" -> "*/*+json" expando
+    return '*/*' + type
+  }
+
+  return type.indexOf('/') === -1
+    ? mime.lookup(type)
+    : type
+}
+
+/**
+ * Check if `expected` mime type
+ * matches `actual` mime type with
+ * wildcard and +suffix support.
+ *
+ * @param {String} expected
+ * @param {String} actual
+ * @return {Boolean}
+ * @private
+ */
+
+function mimeMatch (expected, actual) {
+  // invalid type
+  if (expected === false) {
+    return false
+  }
+
+  // split types
+  var actualParts = actual.split('/')
+  var expectedParts = expected.split('/')
+
+  // invalid format
+  if (actualParts.length !== 2 || expectedParts.length !== 2) {
+    return false
+  }
+
+  // validate type
+  if (expectedParts[0] !== '*' && expectedParts[0] !== actualParts[0]) {
+    return false
+  }
+
+  // validate suffix wildcard
+  if (expectedParts[1].substr(0, 2) === '*+') {
+    return expectedParts[1].length <= actualParts[1].length + 1 &&
+      expectedParts[1].substr(1) === actualParts[1].substr(1 - expectedParts[1].length)
+  }
+
+  // validate subtype
+  if (expectedParts[1] !== '*' && expectedParts[1] !== actualParts[1]) {
+    return false
+  }
+
+  return true
+}
+
+/**
+ * Normalize a type and remove parameters.
+ *
+ * @param {string} value
+ * @return {string}
+ * @private
+ */
+
+function normalizeType (value) {
+  // parse the type
+  var type = typer.parse(value)
+
+  // remove the parameters
+  type.parameters = undefined
+
+  // reformat it
+  return typer.format(type)
+}
+
+/**
+ * Try to normalize a type and remove parameters.
+ *
+ * @param {string} value
+ * @return {string}
+ * @private
+ */
+
+function tryNormalizeType (value) {
+  if (!value) {
+    return null
+  }
+
+  try {
+    return normalizeType(value)
+  } catch (err) {
+    return null
+  }
+}
diff --git a/node_modules/type-is/package.json b/node_modules/type-is/package.json
new file mode 100644
index 000000000..97ba5f14b
--- /dev/null
+++ b/node_modules/type-is/package.json
@@ -0,0 +1,45 @@
+{
+  "name": "type-is",
+  "description": "Infer the content-type of a request.",
+  "version": "1.6.18",
+  "contributors": [
+    "Douglas Christopher Wilson <doug@somethingdoug.com>",
+    "Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
+  ],
+  "license": "MIT",
+  "repository": "jshttp/type-is",
+  "dependencies": {
+    "media-typer": "0.3.0",
+    "mime-types": "~2.1.24"
+  },
+  "devDependencies": {
+    "eslint": "5.16.0",
+    "eslint-config-standard": "12.0.0",
+    "eslint-plugin-import": "2.17.2",
+    "eslint-plugin-markdown": "1.0.0",
+    "eslint-plugin-node": "8.0.1",
+    "eslint-plugin-promise": "4.1.1",
+    "eslint-plugin-standard": "4.0.0",
+    "mocha": "6.1.4",
+    "nyc": "14.0.0"
+  },
+  "engines": {
+    "node": ">= 0.6"
+  },
+  "files": [
+    "LICENSE",
+    "HISTORY.md",
+    "index.js"
+  ],
+  "scripts": {
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --reporter spec --check-leaks --bail test/",
+    "test-cov": "nyc --reporter=html --reporter=text npm test",
+    "test-travis": "nyc --reporter=text npm test"
+  },
+  "keywords": [
+    "content",
+    "type",
+    "checking"
+  ]
+}
diff --git a/node_modules/uid2/HISTORY.md b/node_modules/uid2/HISTORY.md
new file mode 100644
index 000000000..e1d9b3c82
--- /dev/null
+++ b/node_modules/uid2/HISTORY.md
@@ -0,0 +1,21 @@
+# 0.0.4 - August 24, 2021
+
+- Add _README.md_
+- Add `repository` field to _package.json_
+- Add `license` field to _package.json_
+- Removed unused var, added param documentation
+
+# 0.0.3 - July 6, 2013
+
+- Add MIT License
+- Change string generation to not rely internally on base64 byte buffer encoding
+- Change string generation to only use the 62 latin alphanumeric chars
+- Switch from `crypto.randomBytes()` to `crypto.pseudoRandomBytes()`
+
+# 0.0.2 - February 25, 2013
+
+- Make unique ids safe for use in URLs (Using 62 latin alphanumeric chars, `-` and `_`)
+
+# 0.0.1 - February 4, 2013
+
+- Initial Release
diff --git a/node_modules/uid2/LICENSE b/node_modules/uid2/LICENSE
new file mode 100644
index 000000000..bdfab69b5
--- /dev/null
+++ b/node_modules/uid2/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2013 Marco Aurelio
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
\ No newline at end of file
diff --git a/node_modules/uid2/README.md b/node_modules/uid2/README.md
new file mode 100644
index 000000000..53b0a5324
--- /dev/null
+++ b/node_modules/uid2/README.md
@@ -0,0 +1,32 @@
+# uid2
+
+[![NPM version](https://badge.fury.io/js/uid2.svg)](http://badge.fury.io/js/uid2)
+
+Generate unique ids. Pass in a `length` and it returns a `string`.
+
+
+## Installation
+
+    npm install uid2
+
+## Examples
+
+Without a callback it is synchronous:
+
+```js
+uid(10)
+// => "hbswt489ts"
+```
+
+With a callback it is asynchronous:
+
+```js
+uid(10, function (err, id) {
+  if (err) throw err;
+  // id => "hbswt489ts"
+});
+```
+
+## License
+
+MIT
diff --git a/node_modules/uid2/index.js b/node_modules/uid2/index.js
new file mode 100644
index 000000000..3f6d54d37
--- /dev/null
+++ b/node_modules/uid2/index.js
@@ -0,0 +1,55 @@
+/**
+ * Module dependencies
+ */
+
+var crypto = require('crypto');
+
+/**
+ * 62 characters in the ascii range that can be used in URLs without special
+ * encoding.
+ */
+var UIDCHARS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+
+/**
+ * Make a Buffer into a string ready for use in URLs
+ *
+ * @param {String} bytes a Buffer containing the bytes to convert
+ * @returns {String} UID
+ * @api private
+ */
+function tostr(bytes) {
+  var r, i;
+
+  r = [];
+  for (i = 0; i < bytes.length; i++) {
+    r.push(UIDCHARS[bytes[i] % UIDCHARS.length]);
+  }
+
+  return r.join('');
+}
+
+/**
+ * Generate an Unique Id
+ *
+ * @param {Number} length  The number of chars of the uid
+ * @param {Number} cb (optional)  Callback for async uid generation
+ * @api public
+ */
+
+function uid(length, cb) {
+
+  if (typeof cb === 'undefined') {
+    return tostr(crypto.pseudoRandomBytes(length));
+  } else {
+    crypto.pseudoRandomBytes(length, function(err, bytes) {
+       if (err) return cb(err);
+       cb(null, tostr(bytes));
+    })
+  }
+}
+
+/**
+ * Exports
+ */
+
+module.exports = uid;
diff --git a/node_modules/uid2/package.json b/node_modules/uid2/package.json
new file mode 100644
index 000000000..07167a611
--- /dev/null
+++ b/node_modules/uid2/package.json
@@ -0,0 +1,12 @@
+{
+  "name": "uid2",
+  "description": "strong uid",
+  "tags": ["uid"],
+  "version": "0.0.4",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/coreh/uid2.git"
+  },
+  "license": "MIT",
+  "dependencies": {}
+}
\ No newline at end of file
diff --git a/node_modules/unpipe/HISTORY.md b/node_modules/unpipe/HISTORY.md
new file mode 100644
index 000000000..85e0f8d74
--- /dev/null
+++ b/node_modules/unpipe/HISTORY.md
@@ -0,0 +1,4 @@
+1.0.0 / 2015-06-14
+==================
+
+  * Initial release
diff --git a/node_modules/unpipe/LICENSE b/node_modules/unpipe/LICENSE
new file mode 100644
index 000000000..aed013827
--- /dev/null
+++ b/node_modules/unpipe/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2015 Douglas Christopher Wilson <doug@somethingdoug.com>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/unpipe/README.md b/node_modules/unpipe/README.md
new file mode 100644
index 000000000..e536ad2c0
--- /dev/null
+++ b/node_modules/unpipe/README.md
@@ -0,0 +1,43 @@
+# unpipe
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-image]][node-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Unpipe a stream from all destinations.
+
+## Installation
+
+```sh
+$ npm install unpipe
+```
+
+## API
+
+```js
+var unpipe = require('unpipe')
+```
+
+### unpipe(stream)
+
+Unpipes all destinations from a given stream. With stream 2+, this is
+equivalent to `stream.unpipe()`. When used with streams 1 style streams
+(typically Node.js 0.8 and below), this module attempts to undo the
+actions done in `stream.pipe(dest)`.
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/unpipe.svg
+[npm-url]: https://npmjs.org/package/unpipe
+[node-image]: https://img.shields.io/node/v/unpipe.svg
+[node-url]: http://nodejs.org/download/
+[travis-image]: https://img.shields.io/travis/stream-utils/unpipe.svg
+[travis-url]: https://travis-ci.org/stream-utils/unpipe
+[coveralls-image]: https://img.shields.io/coveralls/stream-utils/unpipe.svg
+[coveralls-url]: https://coveralls.io/r/stream-utils/unpipe?branch=master
+[downloads-image]: https://img.shields.io/npm/dm/unpipe.svg
+[downloads-url]: https://npmjs.org/package/unpipe
diff --git a/node_modules/unpipe/index.js b/node_modules/unpipe/index.js
new file mode 100644
index 000000000..15c3d97a1
--- /dev/null
+++ b/node_modules/unpipe/index.js
@@ -0,0 +1,69 @@
+/*!
+ * unpipe
+ * Copyright(c) 2015 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ * @public
+ */
+
+module.exports = unpipe
+
+/**
+ * Determine if there are Node.js pipe-like data listeners.
+ * @private
+ */
+
+function hasPipeDataListeners(stream) {
+  var listeners = stream.listeners('data')
+
+  for (var i = 0; i < listeners.length; i++) {
+    if (listeners[i].name === 'ondata') {
+      return true
+    }
+  }
+
+  return false
+}
+
+/**
+ * Unpipe a stream from all destinations.
+ *
+ * @param {object} stream
+ * @public
+ */
+
+function unpipe(stream) {
+  if (!stream) {
+    throw new TypeError('argument stream is required')
+  }
+
+  if (typeof stream.unpipe === 'function') {
+    // new-style
+    stream.unpipe()
+    return
+  }
+
+  // Node.js 0.8 hack
+  if (!hasPipeDataListeners(stream)) {
+    return
+  }
+
+  var listener
+  var listeners = stream.listeners('close')
+
+  for (var i = 0; i < listeners.length; i++) {
+    listener = listeners[i]
+
+    if (listener.name !== 'cleanup' && listener.name !== 'onclose') {
+      continue
+    }
+
+    // invoke the listener
+    listener.call(stream)
+  }
+}
diff --git a/node_modules/unpipe/package.json b/node_modules/unpipe/package.json
new file mode 100644
index 000000000..a2b73583b
--- /dev/null
+++ b/node_modules/unpipe/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "unpipe",
+  "description": "Unpipe a stream from all destinations",
+  "version": "1.0.0",
+  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
+  "license": "MIT",
+  "repository": "stream-utils/unpipe",
+  "devDependencies": {
+    "istanbul": "0.3.15",
+    "mocha": "2.2.5",
+    "readable-stream": "1.1.13"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/"
+  }
+}
diff --git a/node_modules/uri-js/LICENSE b/node_modules/uri-js/LICENSE
new file mode 100644
index 000000000..9338bde8e
--- /dev/null
+++ b/node_modules/uri-js/LICENSE
@@ -0,0 +1,11 @@
+Copyright 2011 Gary Court. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+1.	Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+
+2.	Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY GARY COURT "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+The views and conclusions contained in the software and documentation are those of the authors and should not be interpreted as representing official policies, either expressed or implied, of Gary Court.
diff --git a/node_modules/uri-js/README.md b/node_modules/uri-js/README.md
new file mode 100644
index 000000000..43e648bba
--- /dev/null
+++ b/node_modules/uri-js/README.md
@@ -0,0 +1,203 @@
+# URI.js
+
+URI.js is an [RFC 3986](http://www.ietf.org/rfc/rfc3986.txt) compliant, scheme extendable URI parsing/validating/resolving library for all JavaScript environments (browsers, Node.js, etc).
+It is also compliant with the IRI ([RFC 3987](http://www.ietf.org/rfc/rfc3987.txt)), IDNA ([RFC 5890](http://www.ietf.org/rfc/rfc5890.txt)), IPv6 Address ([RFC 5952](http://www.ietf.org/rfc/rfc5952.txt)), IPv6 Zone Identifier ([RFC 6874](http://www.ietf.org/rfc/rfc6874.txt)) specifications.
+
+URI.js has an extensive test suite, and works in all (Node.js, web) environments. It weighs in at 6.4kb (gzipped, 17kb deflated).
+
+## API
+
+### Parsing
+
+	URI.parse("uri://user:pass@example.com:123/one/two.three?q1=a1&q2=a2#body");
+	//returns:
+	//{
+	//  scheme : "uri",
+	//  userinfo : "user:pass",
+	//  host : "example.com",
+	//  port : 123,
+	//  path : "/one/two.three",
+	//  query : "q1=a1&q2=a2",
+	//  fragment : "body"
+	//}
+
+### Serializing
+
+	URI.serialize({scheme : "http", host : "example.com", fragment : "footer"}) === "http://example.com/#footer"
+
+### Resolving
+
+	URI.resolve("uri://a/b/c/d?q", "../../g") === "uri://a/g"
+
+### Normalizing
+
+	URI.normalize("HTTP://ABC.com:80/%7Esmith/home.html") === "http://abc.com/~smith/home.html"
+
+### Comparison
+
+	URI.equal("example://a/b/c/%7Bfoo%7D", "eXAMPLE://a/./b/../b/%63/%7bfoo%7d") === true
+
+### IP Support
+
+	//IPv4 normalization
+	URI.normalize("//192.068.001.000") === "//192.68.1.0"
+
+	//IPv6 normalization
+	URI.normalize("//[2001:0:0DB8::0:0001]") === "//[2001:0:db8::1]"
+
+	//IPv6 zone identifier support
+	URI.parse("//[2001:db8::7%25en1]");
+	//returns:
+	//{
+	//  host : "2001:db8::7%en1"
+	//}
+
+### IRI Support
+
+	//convert IRI to URI
+	URI.serialize(URI.parse("http://examplé.org/rosé")) === "http://xn--exampl-gva.org/ros%C3%A9"
+	//convert URI to IRI
+	URI.serialize(URI.parse("http://xn--exampl-gva.org/ros%C3%A9"), {iri:true}) === "http://examplé.org/rosé"
+
+### Options
+
+All of the above functions can accept an additional options argument that is an object that can contain one or more of the following properties:
+
+*	`scheme` (string)
+
+	Indicates the scheme that the URI should be treated as, overriding the URI's normal scheme parsing behavior.
+
+*	`reference` (string)
+
+	If set to `"suffix"`, it indicates that the URI is in the suffix format, and the validator will use the option's `scheme` property to determine the URI's scheme.
+
+*	`tolerant` (boolean, false)
+
+	If set to `true`, the parser will relax URI resolving rules.
+
+*	`absolutePath` (boolean, false)
+
+	If set to `true`, the serializer will not resolve a relative `path` component.
+
+*	`iri` (boolean, false)
+
+	If set to `true`, the serializer will unescape non-ASCII characters as per [RFC 3987](http://www.ietf.org/rfc/rfc3987.txt).
+
+*	`unicodeSupport` (boolean, false)
+
+	If set to `true`, the parser will unescape non-ASCII characters in the parsed output as per [RFC 3987](http://www.ietf.org/rfc/rfc3987.txt).
+
+*	`domainHost` (boolean, false)
+
+	If set to `true`, the library will treat the `host` component as a domain name, and convert IDNs (International Domain Names) as per [RFC 5891](http://www.ietf.org/rfc/rfc5891.txt).
+
+## Scheme Extendable
+
+URI.js supports inserting custom [scheme](http://en.wikipedia.org/wiki/URI_scheme) dependent processing rules. Currently, URI.js has built in support for the following schemes:
+
+*	http \[[RFC 2616](http://www.ietf.org/rfc/rfc2616.txt)\]
+*	https \[[RFC 2818](http://www.ietf.org/rfc/rfc2818.txt)\]
+*	ws \[[RFC 6455](http://www.ietf.org/rfc/rfc6455.txt)\]
+*	wss \[[RFC 6455](http://www.ietf.org/rfc/rfc6455.txt)\]
+*	mailto \[[RFC 6068](http://www.ietf.org/rfc/rfc6068.txt)\]
+*	urn \[[RFC 2141](http://www.ietf.org/rfc/rfc2141.txt)\]
+*	urn:uuid \[[RFC 4122](http://www.ietf.org/rfc/rfc4122.txt)\]
+
+### HTTP/HTTPS Support
+
+	URI.equal("HTTP://ABC.COM:80", "http://abc.com/") === true
+	URI.equal("https://abc.com", "HTTPS://ABC.COM:443/") === true
+
+### WS/WSS Support
+
+	URI.parse("wss://example.com/foo?bar=baz");
+	//returns:
+	//{
+	//	scheme : "wss",
+	//	host: "example.com",
+	//	resourceName: "/foo?bar=baz",
+	//	secure: true,
+	//}
+
+	URI.equal("WS://ABC.COM:80/chat#one", "ws://abc.com/chat") === true
+
+### Mailto Support
+
+	URI.parse("mailto:alpha@example.com,bravo@example.com?subject=SUBSCRIBE&body=Sign%20me%20up!");
+	//returns:
+	//{
+	//	scheme : "mailto",
+	//	to : ["alpha@example.com", "bravo@example.com"],
+	//	subject : "SUBSCRIBE",
+	//	body : "Sign me up!"
+	//}
+
+	URI.serialize({
+		scheme : "mailto",
+		to : ["alpha@example.com"],
+		subject : "REMOVE",
+		body : "Please remove me",
+		headers : {
+			cc : "charlie@example.com"
+		}
+	}) === "mailto:alpha@example.com?cc=charlie@example.com&subject=REMOVE&body=Please%20remove%20me"
+
+### URN Support
+
+	URI.parse("urn:example:foo");
+	//returns:
+	//{
+	//	scheme : "urn",
+	//	nid : "example",
+	//	nss : "foo",
+	//}
+
+#### URN UUID Support
+
+	URI.parse("urn:uuid:f81d4fae-7dec-11d0-a765-00a0c91e6bf6");
+	//returns:
+	//{
+	//	scheme : "urn",
+	//	nid : "uuid",
+	//	uuid : "f81d4fae-7dec-11d0-a765-00a0c91e6bf6",
+	//}
+
+## Usage
+
+To load in a browser, use the following tag:
+
+	<script type="text/javascript" src="uri-js/dist/es5/uri.all.min.js"></script>
+
+To load in a CommonJS/Module environment, first install with npm/yarn by running on the command line:
+
+	npm install uri-js
+	# OR
+	yarn add uri-js
+
+Then, in your code, load it using:
+
+	const URI = require("uri-js");
+
+If you are writing your code in ES6+ (ESNEXT) or TypeScript, you would load it using:
+
+	import * as URI from "uri-js";
+
+Or you can load just what you need using named exports:
+
+	import { parse, serialize, resolve, resolveComponents, normalize, equal, removeDotSegments, pctEncChar, pctDecChars, escapeComponent, unescapeComponent } from "uri-js";
+
+## Breaking changes
+
+### Breaking changes from 3.x
+
+URN parsing has been completely changed to better align with the specification. Scheme is now always `urn`, but has two new properties: `nid` which contains the Namspace Identifier, and `nss` which contains the Namespace Specific String. The `nss` property will be removed by higher order scheme handlers, such as the UUID URN scheme handler.
+
+The UUID of a URN can now be found in the `uuid` property.
+
+### Breaking changes from 2.x
+
+URI validation has been removed as it was slow, exposed a vulnerabilty, and was generally not useful.
+
+### Breaking changes from 1.x
+
+The `errors` array on parsed components is now an `error` string.
diff --git a/node_modules/uri-js/dist/es5/uri.all.d.ts b/node_modules/uri-js/dist/es5/uri.all.d.ts
new file mode 100644
index 000000000..da51e2352
--- /dev/null
+++ b/node_modules/uri-js/dist/es5/uri.all.d.ts
@@ -0,0 +1,59 @@
+export interface URIComponents {
+    scheme?: string;
+    userinfo?: string;
+    host?: string;
+    port?: number | string;
+    path?: string;
+    query?: string;
+    fragment?: string;
+    reference?: string;
+    error?: string;
+}
+export interface URIOptions {
+    scheme?: string;
+    reference?: string;
+    tolerant?: boolean;
+    absolutePath?: boolean;
+    iri?: boolean;
+    unicodeSupport?: boolean;
+    domainHost?: boolean;
+}
+export interface URISchemeHandler<Components extends URIComponents = URIComponents, Options extends URIOptions = URIOptions, ParentComponents extends URIComponents = URIComponents> {
+    scheme: string;
+    parse(components: ParentComponents, options: Options): Components;
+    serialize(components: Components, options: Options): ParentComponents;
+    unicodeSupport?: boolean;
+    domainHost?: boolean;
+    absolutePath?: boolean;
+}
+export interface URIRegExps {
+    NOT_SCHEME: RegExp;
+    NOT_USERINFO: RegExp;
+    NOT_HOST: RegExp;
+    NOT_PATH: RegExp;
+    NOT_PATH_NOSCHEME: RegExp;
+    NOT_QUERY: RegExp;
+    NOT_FRAGMENT: RegExp;
+    ESCAPE: RegExp;
+    UNRESERVED: RegExp;
+    OTHER_CHARS: RegExp;
+    PCT_ENCODED: RegExp;
+    IPV4ADDRESS: RegExp;
+    IPV6ADDRESS: RegExp;
+}
+export declare const SCHEMES: {
+    [scheme: string]: URISchemeHandler;
+};
+export declare function pctEncChar(chr: string): string;
+export declare function pctDecChars(str: string): string;
+export declare function parse(uriString: string, options?: URIOptions): URIComponents;
+export declare function removeDotSegments(input: string): string;
+export declare function serialize(components: URIComponents, options?: URIOptions): string;
+export declare function resolveComponents(base: URIComponents, relative: URIComponents, options?: URIOptions, skipNormalization?: boolean): URIComponents;
+export declare function resolve(baseURI: string, relativeURI: string, options?: URIOptions): string;
+export declare function normalize(uri: string, options?: URIOptions): string;
+export declare function normalize(uri: URIComponents, options?: URIOptions): URIComponents;
+export declare function equal(uriA: string, uriB: string, options?: URIOptions): boolean;
+export declare function equal(uriA: URIComponents, uriB: URIComponents, options?: URIOptions): boolean;
+export declare function escapeComponent(str: string, options?: URIOptions): string;
+export declare function unescapeComponent(str: string, options?: URIOptions): string;
diff --git a/node_modules/uri-js/dist/es5/uri.all.js b/node_modules/uri-js/dist/es5/uri.all.js
new file mode 100644
index 000000000..0706116fe
--- /dev/null
+++ b/node_modules/uri-js/dist/es5/uri.all.js
@@ -0,0 +1,1443 @@
+/** @license URI.js v4.4.1 (c) 2011 Gary Court. License: http://github.com/garycourt/uri-js */
+(function (global, factory) {
+	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+	typeof define === 'function' && define.amd ? define(['exports'], factory) :
+	(factory((global.URI = global.URI || {})));
+}(this, (function (exports) { 'use strict';
+
+function merge() {
+    for (var _len = arguments.length, sets = Array(_len), _key = 0; _key < _len; _key++) {
+        sets[_key] = arguments[_key];
+    }
+
+    if (sets.length > 1) {
+        sets[0] = sets[0].slice(0, -1);
+        var xl = sets.length - 1;
+        for (var x = 1; x < xl; ++x) {
+            sets[x] = sets[x].slice(1, -1);
+        }
+        sets[xl] = sets[xl].slice(1);
+        return sets.join('');
+    } else {
+        return sets[0];
+    }
+}
+function subexp(str) {
+    return "(?:" + str + ")";
+}
+function typeOf(o) {
+    return o === undefined ? "undefined" : o === null ? "null" : Object.prototype.toString.call(o).split(" ").pop().split("]").shift().toLowerCase();
+}
+function toUpperCase(str) {
+    return str.toUpperCase();
+}
+function toArray(obj) {
+    return obj !== undefined && obj !== null ? obj instanceof Array ? obj : typeof obj.length !== "number" || obj.split || obj.setInterval || obj.call ? [obj] : Array.prototype.slice.call(obj) : [];
+}
+function assign(target, source) {
+    var obj = target;
+    if (source) {
+        for (var key in source) {
+            obj[key] = source[key];
+        }
+    }
+    return obj;
+}
+
+function buildExps(isIRI) {
+    var ALPHA$$ = "[A-Za-z]",
+        CR$ = "[\\x0D]",
+        DIGIT$$ = "[0-9]",
+        DQUOTE$$ = "[\\x22]",
+        HEXDIG$$ = merge(DIGIT$$, "[A-Fa-f]"),
+        //case-insensitive
+    LF$$ = "[\\x0A]",
+        SP$$ = "[\\x20]",
+        PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)),
+        //expanded
+    GEN_DELIMS$$ = "[\\:\\/\\?\\#\\[\\]\\@]",
+        SUB_DELIMS$$ = "[\\!\\$\\&\\'\\(\\)\\*\\+\\,\\;\\=]",
+        RESERVED$$ = merge(GEN_DELIMS$$, SUB_DELIMS$$),
+        UCSCHAR$$ = isIRI ? "[\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]" : "[]",
+        //subset, excludes bidi control characters
+    IPRIVATE$$ = isIRI ? "[\\uE000-\\uF8FF]" : "[]",
+        //subset
+    UNRESERVED$$ = merge(ALPHA$$, DIGIT$$, "[\\-\\.\\_\\~]", UCSCHAR$$),
+        SCHEME$ = subexp(ALPHA$$ + merge(ALPHA$$, DIGIT$$, "[\\+\\-\\.]") + "*"),
+        USERINFO$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]")) + "*"),
+        DEC_OCTET$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("[1-9]" + DIGIT$$) + "|" + DIGIT$$),
+        DEC_OCTET_RELAXED$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("0?[1-9]" + DIGIT$$) + "|0?0?" + DIGIT$$),
+        //relaxed parsing rules
+    IPV4ADDRESS$ = subexp(DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$),
+        H16$ = subexp(HEXDIG$$ + "{1,4}"),
+        LS32$ = subexp(subexp(H16$ + "\\:" + H16$) + "|" + IPV4ADDRESS$),
+        IPV6ADDRESS1$ = subexp(subexp(H16$ + "\\:") + "{6}" + LS32$),
+        //                           6( h16 ":" ) ls32
+    IPV6ADDRESS2$ = subexp("\\:\\:" + subexp(H16$ + "\\:") + "{5}" + LS32$),
+        //                      "::" 5( h16 ":" ) ls32
+    IPV6ADDRESS3$ = subexp(subexp(H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{4}" + LS32$),
+        //[               h16 ] "::" 4( h16 ":" ) ls32
+    IPV6ADDRESS4$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,1}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{3}" + LS32$),
+        //[ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32
+    IPV6ADDRESS5$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,2}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{2}" + LS32$),
+        //[ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32
+    IPV6ADDRESS6$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,3}" + H16$) + "?\\:\\:" + H16$ + "\\:" + LS32$),
+        //[ *3( h16 ":" ) h16 ] "::"    h16 ":"   ls32
+    IPV6ADDRESS7$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,4}" + H16$) + "?\\:\\:" + LS32$),
+        //[ *4( h16 ":" ) h16 ] "::"              ls32
+    IPV6ADDRESS8$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,5}" + H16$) + "?\\:\\:" + H16$),
+        //[ *5( h16 ":" ) h16 ] "::"              h16
+    IPV6ADDRESS9$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,6}" + H16$) + "?\\:\\:"),
+        //[ *6( h16 ":" ) h16 ] "::"
+    IPV6ADDRESS$ = subexp([IPV6ADDRESS1$, IPV6ADDRESS2$, IPV6ADDRESS3$, IPV6ADDRESS4$, IPV6ADDRESS5$, IPV6ADDRESS6$, IPV6ADDRESS7$, IPV6ADDRESS8$, IPV6ADDRESS9$].join("|")),
+        ZONEID$ = subexp(subexp(UNRESERVED$$ + "|" + PCT_ENCODED$) + "+"),
+        //RFC 6874
+    IPV6ADDRZ$ = subexp(IPV6ADDRESS$ + "\\%25" + ZONEID$),
+        //RFC 6874
+    IPV6ADDRZ_RELAXED$ = subexp(IPV6ADDRESS$ + subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + ZONEID$),
+        //RFC 6874, with relaxed parsing rules
+    IPVFUTURE$ = subexp("[vV]" + HEXDIG$$ + "+\\." + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]") + "+"),
+        IP_LITERAL$ = subexp("\\[" + subexp(IPV6ADDRZ_RELAXED$ + "|" + IPV6ADDRESS$ + "|" + IPVFUTURE$) + "\\]"),
+        //RFC 6874
+    REG_NAME$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$)) + "*"),
+        HOST$ = subexp(IP_LITERAL$ + "|" + IPV4ADDRESS$ + "(?!" + REG_NAME$ + ")" + "|" + REG_NAME$),
+        PORT$ = subexp(DIGIT$$ + "*"),
+        AUTHORITY$ = subexp(subexp(USERINFO$ + "@") + "?" + HOST$ + subexp("\\:" + PORT$) + "?"),
+        PCHAR$ = subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@]")),
+        SEGMENT$ = subexp(PCHAR$ + "*"),
+        SEGMENT_NZ$ = subexp(PCHAR$ + "+"),
+        SEGMENT_NZ_NC$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\@]")) + "+"),
+        PATH_ABEMPTY$ = subexp(subexp("\\/" + SEGMENT$) + "*"),
+        PATH_ABSOLUTE$ = subexp("\\/" + subexp(SEGMENT_NZ$ + PATH_ABEMPTY$) + "?"),
+        //simplified
+    PATH_NOSCHEME$ = subexp(SEGMENT_NZ_NC$ + PATH_ABEMPTY$),
+        //simplified
+    PATH_ROOTLESS$ = subexp(SEGMENT_NZ$ + PATH_ABEMPTY$),
+        //simplified
+    PATH_EMPTY$ = "(?!" + PCHAR$ + ")",
+        PATH$ = subexp(PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$),
+        QUERY$ = subexp(subexp(PCHAR$ + "|" + merge("[\\/\\?]", IPRIVATE$$)) + "*"),
+        FRAGMENT$ = subexp(subexp(PCHAR$ + "|[\\/\\?]") + "*"),
+        HIER_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$),
+        URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"),
+        RELATIVE_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$),
+        RELATIVE$ = subexp(RELATIVE_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"),
+        URI_REFERENCE$ = subexp(URI$ + "|" + RELATIVE$),
+        ABSOLUTE_URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?"),
+        GENERIC_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$",
+        RELATIVE_REF$ = "^(){0}" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$",
+        ABSOLUTE_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?$",
+        SAMEDOC_REF$ = "^" + subexp("\\#(" + FRAGMENT$ + ")") + "?$",
+        AUTHORITY_REF$ = "^" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?$";
+    return {
+        NOT_SCHEME: new RegExp(merge("[^]", ALPHA$$, DIGIT$$, "[\\+\\-\\.]"), "g"),
+        NOT_USERINFO: new RegExp(merge("[^\\%\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        NOT_HOST: new RegExp(merge("[^\\%\\[\\]\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        NOT_PATH: new RegExp(merge("[^\\%\\/\\:\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        NOT_PATH_NOSCHEME: new RegExp(merge("[^\\%\\/\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        NOT_QUERY: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]", IPRIVATE$$), "g"),
+        NOT_FRAGMENT: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]"), "g"),
+        ESCAPE: new RegExp(merge("[^]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        UNRESERVED: new RegExp(UNRESERVED$$, "g"),
+        OTHER_CHARS: new RegExp(merge("[^\\%]", UNRESERVED$$, RESERVED$$), "g"),
+        PCT_ENCODED: new RegExp(PCT_ENCODED$, "g"),
+        IPV4ADDRESS: new RegExp("^(" + IPV4ADDRESS$ + ")$"),
+        IPV6ADDRESS: new RegExp("^\\[?(" + IPV6ADDRESS$ + ")" + subexp(subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + "(" + ZONEID$ + ")") + "?\\]?$") //RFC 6874, with relaxed parsing rules
+    };
+}
+var URI_PROTOCOL = buildExps(false);
+
+var IRI_PROTOCOL = buildExps(true);
+
+var slicedToArray = function () {
+  function sliceIterator(arr, i) {
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"]) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+
+    return _arr;
+  }
+
+  return function (arr, i) {
+    if (Array.isArray(arr)) {
+      return arr;
+    } else if (Symbol.iterator in Object(arr)) {
+      return sliceIterator(arr, i);
+    } else {
+      throw new TypeError("Invalid attempt to destructure non-iterable instance");
+    }
+  };
+}();
+
+
+
+
+
+
+
+
+
+
+
+
+
+var toConsumableArray = function (arr) {
+  if (Array.isArray(arr)) {
+    for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+
+    return arr2;
+  } else {
+    return Array.from(arr);
+  }
+};
+
+/** Highest positive signed 32-bit float value */
+
+var maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1
+
+/** Bootstring parameters */
+var base = 36;
+var tMin = 1;
+var tMax = 26;
+var skew = 38;
+var damp = 700;
+var initialBias = 72;
+var initialN = 128; // 0x80
+var delimiter = '-'; // '\x2D'
+
+/** Regular expressions */
+var regexPunycode = /^xn--/;
+var regexNonASCII = /[^\0-\x7E]/; // non-ASCII chars
+var regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators
+
+/** Error messages */
+var errors = {
+	'overflow': 'Overflow: input needs wider integers to process',
+	'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
+	'invalid-input': 'Invalid input'
+};
+
+/** Convenience shortcuts */
+var baseMinusTMin = base - tMin;
+var floor = Math.floor;
+var stringFromCharCode = String.fromCharCode;
+
+/*--------------------------------------------------------------------------*/
+
+/**
+ * A generic error utility function.
+ * @private
+ * @param {String} type The error type.
+ * @returns {Error} Throws a `RangeError` with the applicable error message.
+ */
+function error$1(type) {
+	throw new RangeError(errors[type]);
+}
+
+/**
+ * A generic `Array#map` utility function.
+ * @private
+ * @param {Array} array The array to iterate over.
+ * @param {Function} callback The function that gets called for every array
+ * item.
+ * @returns {Array} A new array of values returned by the callback function.
+ */
+function map(array, fn) {
+	var result = [];
+	var length = array.length;
+	while (length--) {
+		result[length] = fn(array[length]);
+	}
+	return result;
+}
+
+/**
+ * A simple `Array#map`-like wrapper to work with domain name strings or email
+ * addresses.
+ * @private
+ * @param {String} domain The domain name or email address.
+ * @param {Function} callback The function that gets called for every
+ * character.
+ * @returns {Array} A new string of characters returned by the callback
+ * function.
+ */
+function mapDomain(string, fn) {
+	var parts = string.split('@');
+	var result = '';
+	if (parts.length > 1) {
+		// In email addresses, only the domain name should be punycoded. Leave
+		// the local part (i.e. everything up to `@`) intact.
+		result = parts[0] + '@';
+		string = parts[1];
+	}
+	// Avoid `split(regex)` for IE8 compatibility. See #17.
+	string = string.replace(regexSeparators, '\x2E');
+	var labels = string.split('.');
+	var encoded = map(labels, fn).join('.');
+	return result + encoded;
+}
+
+/**
+ * Creates an array containing the numeric code points of each Unicode
+ * character in the string. While JavaScript uses UCS-2 internally,
+ * this function will convert a pair of surrogate halves (each of which
+ * UCS-2 exposes as separate characters) into a single code point,
+ * matching UTF-16.
+ * @see `punycode.ucs2.encode`
+ * @see <https://mathiasbynens.be/notes/javascript-encoding>
+ * @memberOf punycode.ucs2
+ * @name decode
+ * @param {String} string The Unicode input string (UCS-2).
+ * @returns {Array} The new array of code points.
+ */
+function ucs2decode(string) {
+	var output = [];
+	var counter = 0;
+	var length = string.length;
+	while (counter < length) {
+		var value = string.charCodeAt(counter++);
+		if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+			// It's a high surrogate, and there is a next character.
+			var extra = string.charCodeAt(counter++);
+			if ((extra & 0xFC00) == 0xDC00) {
+				// Low surrogate.
+				output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+			} else {
+				// It's an unmatched surrogate; only append this code unit, in case the
+				// next code unit is the high surrogate of a surrogate pair.
+				output.push(value);
+				counter--;
+			}
+		} else {
+			output.push(value);
+		}
+	}
+	return output;
+}
+
+/**
+ * Creates a string based on an array of numeric code points.
+ * @see `punycode.ucs2.decode`
+ * @memberOf punycode.ucs2
+ * @name encode
+ * @param {Array} codePoints The array of numeric code points.
+ * @returns {String} The new Unicode string (UCS-2).
+ */
+var ucs2encode = function ucs2encode(array) {
+	return String.fromCodePoint.apply(String, toConsumableArray(array));
+};
+
+/**
+ * Converts a basic code point into a digit/integer.
+ * @see `digitToBasic()`
+ * @private
+ * @param {Number} codePoint The basic numeric code point value.
+ * @returns {Number} The numeric value of a basic code point (for use in
+ * representing integers) in the range `0` to `base - 1`, or `base` if
+ * the code point does not represent a value.
+ */
+var basicToDigit = function basicToDigit(codePoint) {
+	if (codePoint - 0x30 < 0x0A) {
+		return codePoint - 0x16;
+	}
+	if (codePoint - 0x41 < 0x1A) {
+		return codePoint - 0x41;
+	}
+	if (codePoint - 0x61 < 0x1A) {
+		return codePoint - 0x61;
+	}
+	return base;
+};
+
+/**
+ * Converts a digit/integer into a basic code point.
+ * @see `basicToDigit()`
+ * @private
+ * @param {Number} digit The numeric value of a basic code point.
+ * @returns {Number} The basic code point whose value (when used for
+ * representing integers) is `digit`, which needs to be in the range
+ * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
+ * used; else, the lowercase form is used. The behavior is undefined
+ * if `flag` is non-zero and `digit` has no uppercase form.
+ */
+var digitToBasic = function digitToBasic(digit, flag) {
+	//  0..25 map to ASCII a..z or A..Z
+	// 26..35 map to ASCII 0..9
+	return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
+};
+
+/**
+ * Bias adaptation function as per section 3.4 of RFC 3492.
+ * https://tools.ietf.org/html/rfc3492#section-3.4
+ * @private
+ */
+var adapt = function adapt(delta, numPoints, firstTime) {
+	var k = 0;
+	delta = firstTime ? floor(delta / damp) : delta >> 1;
+	delta += floor(delta / numPoints);
+	for (; /* no initialization */delta > baseMinusTMin * tMax >> 1; k += base) {
+		delta = floor(delta / baseMinusTMin);
+	}
+	return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
+};
+
+/**
+ * Converts a Punycode string of ASCII-only symbols to a string of Unicode
+ * symbols.
+ * @memberOf punycode
+ * @param {String} input The Punycode string of ASCII-only symbols.
+ * @returns {String} The resulting string of Unicode symbols.
+ */
+var decode = function decode(input) {
+	// Don't use UCS-2.
+	var output = [];
+	var inputLength = input.length;
+	var i = 0;
+	var n = initialN;
+	var bias = initialBias;
+
+	// Handle the basic code points: let `basic` be the number of input code
+	// points before the last delimiter, or `0` if there is none, then copy
+	// the first basic code points to the output.
+
+	var basic = input.lastIndexOf(delimiter);
+	if (basic < 0) {
+		basic = 0;
+	}
+
+	for (var j = 0; j < basic; ++j) {
+		// if it's not a basic code point
+		if (input.charCodeAt(j) >= 0x80) {
+			error$1('not-basic');
+		}
+		output.push(input.charCodeAt(j));
+	}
+
+	// Main decoding loop: start just after the last delimiter if any basic code
+	// points were copied; start at the beginning otherwise.
+
+	for (var index = basic > 0 ? basic + 1 : 0; index < inputLength;) /* no final expression */{
+
+		// `index` is the index of the next character to be consumed.
+		// Decode a generalized variable-length integer into `delta`,
+		// which gets added to `i`. The overflow checking is easier
+		// if we increase `i` as we go, then subtract off its starting
+		// value at the end to obtain `delta`.
+		var oldi = i;
+		for (var w = 1, k = base;; /* no condition */k += base) {
+
+			if (index >= inputLength) {
+				error$1('invalid-input');
+			}
+
+			var digit = basicToDigit(input.charCodeAt(index++));
+
+			if (digit >= base || digit > floor((maxInt - i) / w)) {
+				error$1('overflow');
+			}
+
+			i += digit * w;
+			var t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
+
+			if (digit < t) {
+				break;
+			}
+
+			var baseMinusT = base - t;
+			if (w > floor(maxInt / baseMinusT)) {
+				error$1('overflow');
+			}
+
+			w *= baseMinusT;
+		}
+
+		var out = output.length + 1;
+		bias = adapt(i - oldi, out, oldi == 0);
+
+		// `i` was supposed to wrap around from `out` to `0`,
+		// incrementing `n` each time, so we'll fix that now:
+		if (floor(i / out) > maxInt - n) {
+			error$1('overflow');
+		}
+
+		n += floor(i / out);
+		i %= out;
+
+		// Insert `n` at position `i` of the output.
+		output.splice(i++, 0, n);
+	}
+
+	return String.fromCodePoint.apply(String, output);
+};
+
+/**
+ * Converts a string of Unicode symbols (e.g. a domain name label) to a
+ * Punycode string of ASCII-only symbols.
+ * @memberOf punycode
+ * @param {String} input The string of Unicode symbols.
+ * @returns {String} The resulting Punycode string of ASCII-only symbols.
+ */
+var encode = function encode(input) {
+	var output = [];
+
+	// Convert the input in UCS-2 to an array of Unicode code points.
+	input = ucs2decode(input);
+
+	// Cache the length.
+	var inputLength = input.length;
+
+	// Initialize the state.
+	var n = initialN;
+	var delta = 0;
+	var bias = initialBias;
+
+	// Handle the basic code points.
+	var _iteratorNormalCompletion = true;
+	var _didIteratorError = false;
+	var _iteratorError = undefined;
+
+	try {
+		for (var _iterator = input[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+			var _currentValue2 = _step.value;
+
+			if (_currentValue2 < 0x80) {
+				output.push(stringFromCharCode(_currentValue2));
+			}
+		}
+	} catch (err) {
+		_didIteratorError = true;
+		_iteratorError = err;
+	} finally {
+		try {
+			if (!_iteratorNormalCompletion && _iterator.return) {
+				_iterator.return();
+			}
+		} finally {
+			if (_didIteratorError) {
+				throw _iteratorError;
+			}
+		}
+	}
+
+	var basicLength = output.length;
+	var handledCPCount = basicLength;
+
+	// `handledCPCount` is the number of code points that have been handled;
+	// `basicLength` is the number of basic code points.
+
+	// Finish the basic string with a delimiter unless it's empty.
+	if (basicLength) {
+		output.push(delimiter);
+	}
+
+	// Main encoding loop:
+	while (handledCPCount < inputLength) {
+
+		// All non-basic code points < n have been handled already. Find the next
+		// larger one:
+		var m = maxInt;
+		var _iteratorNormalCompletion2 = true;
+		var _didIteratorError2 = false;
+		var _iteratorError2 = undefined;
+
+		try {
+			for (var _iterator2 = input[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
+				var currentValue = _step2.value;
+
+				if (currentValue >= n && currentValue < m) {
+					m = currentValue;
+				}
+			}
+
+			// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
+			// but guard against overflow.
+		} catch (err) {
+			_didIteratorError2 = true;
+			_iteratorError2 = err;
+		} finally {
+			try {
+				if (!_iteratorNormalCompletion2 && _iterator2.return) {
+					_iterator2.return();
+				}
+			} finally {
+				if (_didIteratorError2) {
+					throw _iteratorError2;
+				}
+			}
+		}
+
+		var handledCPCountPlusOne = handledCPCount + 1;
+		if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
+			error$1('overflow');
+		}
+
+		delta += (m - n) * handledCPCountPlusOne;
+		n = m;
+
+		var _iteratorNormalCompletion3 = true;
+		var _didIteratorError3 = false;
+		var _iteratorError3 = undefined;
+
+		try {
+			for (var _iterator3 = input[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
+				var _currentValue = _step3.value;
+
+				if (_currentValue < n && ++delta > maxInt) {
+					error$1('overflow');
+				}
+				if (_currentValue == n) {
+					// Represent delta as a generalized variable-length integer.
+					var q = delta;
+					for (var k = base;; /* no condition */k += base) {
+						var t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias;
+						if (q < t) {
+							break;
+						}
+						var qMinusT = q - t;
+						var baseMinusT = base - t;
+						output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)));
+						q = floor(qMinusT / baseMinusT);
+					}
+
+					output.push(stringFromCharCode(digitToBasic(q, 0)));
+					bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
+					delta = 0;
+					++handledCPCount;
+				}
+			}
+		} catch (err) {
+			_didIteratorError3 = true;
+			_iteratorError3 = err;
+		} finally {
+			try {
+				if (!_iteratorNormalCompletion3 && _iterator3.return) {
+					_iterator3.return();
+				}
+			} finally {
+				if (_didIteratorError3) {
+					throw _iteratorError3;
+				}
+			}
+		}
+
+		++delta;
+		++n;
+	}
+	return output.join('');
+};
+
+/**
+ * Converts a Punycode string representing a domain name or an email address
+ * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
+ * it doesn't matter if you call it on a string that has already been
+ * converted to Unicode.
+ * @memberOf punycode
+ * @param {String} input The Punycoded domain name or email address to
+ * convert to Unicode.
+ * @returns {String} The Unicode representation of the given Punycode
+ * string.
+ */
+var toUnicode = function toUnicode(input) {
+	return mapDomain(input, function (string) {
+		return regexPunycode.test(string) ? decode(string.slice(4).toLowerCase()) : string;
+	});
+};
+
+/**
+ * Converts a Unicode string representing a domain name or an email address to
+ * Punycode. Only the non-ASCII parts of the domain name will be converted,
+ * i.e. it doesn't matter if you call it with a domain that's already in
+ * ASCII.
+ * @memberOf punycode
+ * @param {String} input The domain name or email address to convert, as a
+ * Unicode string.
+ * @returns {String} The Punycode representation of the given domain name or
+ * email address.
+ */
+var toASCII = function toASCII(input) {
+	return mapDomain(input, function (string) {
+		return regexNonASCII.test(string) ? 'xn--' + encode(string) : string;
+	});
+};
+
+/*--------------------------------------------------------------------------*/
+
+/** Define the public API */
+var punycode = {
+	/**
+  * A string representing the current Punycode.js version number.
+  * @memberOf punycode
+  * @type String
+  */
+	'version': '2.1.0',
+	/**
+  * An object of methods to convert from JavaScript's internal character
+  * representation (UCS-2) to Unicode code points, and back.
+  * @see <https://mathiasbynens.be/notes/javascript-encoding>
+  * @memberOf punycode
+  * @type Object
+  */
+	'ucs2': {
+		'decode': ucs2decode,
+		'encode': ucs2encode
+	},
+	'decode': decode,
+	'encode': encode,
+	'toASCII': toASCII,
+	'toUnicode': toUnicode
+};
+
+/**
+ * URI.js
+ *
+ * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript.
+ * @author <a href="mailto:gary.court@gmail.com">Gary Court</a>
+ * @see http://github.com/garycourt/uri-js
+ */
+/**
+ * Copyright 2011 Gary Court. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of Gary Court.
+ */
+var SCHEMES = {};
+function pctEncChar(chr) {
+    var c = chr.charCodeAt(0);
+    var e = void 0;
+    if (c < 16) e = "%0" + c.toString(16).toUpperCase();else if (c < 128) e = "%" + c.toString(16).toUpperCase();else if (c < 2048) e = "%" + (c >> 6 | 192).toString(16).toUpperCase() + "%" + (c & 63 | 128).toString(16).toUpperCase();else e = "%" + (c >> 12 | 224).toString(16).toUpperCase() + "%" + (c >> 6 & 63 | 128).toString(16).toUpperCase() + "%" + (c & 63 | 128).toString(16).toUpperCase();
+    return e;
+}
+function pctDecChars(str) {
+    var newStr = "";
+    var i = 0;
+    var il = str.length;
+    while (i < il) {
+        var c = parseInt(str.substr(i + 1, 2), 16);
+        if (c < 128) {
+            newStr += String.fromCharCode(c);
+            i += 3;
+        } else if (c >= 194 && c < 224) {
+            if (il - i >= 6) {
+                var c2 = parseInt(str.substr(i + 4, 2), 16);
+                newStr += String.fromCharCode((c & 31) << 6 | c2 & 63);
+            } else {
+                newStr += str.substr(i, 6);
+            }
+            i += 6;
+        } else if (c >= 224) {
+            if (il - i >= 9) {
+                var _c = parseInt(str.substr(i + 4, 2), 16);
+                var c3 = parseInt(str.substr(i + 7, 2), 16);
+                newStr += String.fromCharCode((c & 15) << 12 | (_c & 63) << 6 | c3 & 63);
+            } else {
+                newStr += str.substr(i, 9);
+            }
+            i += 9;
+        } else {
+            newStr += str.substr(i, 3);
+            i += 3;
+        }
+    }
+    return newStr;
+}
+function _normalizeComponentEncoding(components, protocol) {
+    function decodeUnreserved(str) {
+        var decStr = pctDecChars(str);
+        return !decStr.match(protocol.UNRESERVED) ? str : decStr;
+    }
+    if (components.scheme) components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, "");
+    if (components.userinfo !== undefined) components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.host !== undefined) components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.path !== undefined) components.path = String(components.path).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(components.scheme ? protocol.NOT_PATH : protocol.NOT_PATH_NOSCHEME, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.query !== undefined) components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.fragment !== undefined) components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    return components;
+}
+
+function _stripLeadingZeros(str) {
+    return str.replace(/^0*(.*)/, "$1") || "0";
+}
+function _normalizeIPv4(host, protocol) {
+    var matches = host.match(protocol.IPV4ADDRESS) || [];
+
+    var _matches = slicedToArray(matches, 2),
+        address = _matches[1];
+
+    if (address) {
+        return address.split(".").map(_stripLeadingZeros).join(".");
+    } else {
+        return host;
+    }
+}
+function _normalizeIPv6(host, protocol) {
+    var matches = host.match(protocol.IPV6ADDRESS) || [];
+
+    var _matches2 = slicedToArray(matches, 3),
+        address = _matches2[1],
+        zone = _matches2[2];
+
+    if (address) {
+        var _address$toLowerCase$ = address.toLowerCase().split('::').reverse(),
+            _address$toLowerCase$2 = slicedToArray(_address$toLowerCase$, 2),
+            last = _address$toLowerCase$2[0],
+            first = _address$toLowerCase$2[1];
+
+        var firstFields = first ? first.split(":").map(_stripLeadingZeros) : [];
+        var lastFields = last.split(":").map(_stripLeadingZeros);
+        var isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]);
+        var fieldCount = isLastFieldIPv4Address ? 7 : 8;
+        var lastFieldsStart = lastFields.length - fieldCount;
+        var fields = Array(fieldCount);
+        for (var x = 0; x < fieldCount; ++x) {
+            fields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || '';
+        }
+        if (isLastFieldIPv4Address) {
+            fields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol);
+        }
+        var allZeroFields = fields.reduce(function (acc, field, index) {
+            if (!field || field === "0") {
+                var lastLongest = acc[acc.length - 1];
+                if (lastLongest && lastLongest.index + lastLongest.length === index) {
+                    lastLongest.length++;
+                } else {
+                    acc.push({ index: index, length: 1 });
+                }
+            }
+            return acc;
+        }, []);
+        var longestZeroFields = allZeroFields.sort(function (a, b) {
+            return b.length - a.length;
+        })[0];
+        var newHost = void 0;
+        if (longestZeroFields && longestZeroFields.length > 1) {
+            var newFirst = fields.slice(0, longestZeroFields.index);
+            var newLast = fields.slice(longestZeroFields.index + longestZeroFields.length);
+            newHost = newFirst.join(":") + "::" + newLast.join(":");
+        } else {
+            newHost = fields.join(":");
+        }
+        if (zone) {
+            newHost += "%" + zone;
+        }
+        return newHost;
+    } else {
+        return host;
+    }
+}
+var URI_PARSE = /^(?:([^:\/?#]+):)?(?:\/\/((?:([^\/?#@]*)@)?(\[[^\/?#\]]+\]|[^\/?#:]*)(?:\:(\d*))?))?([^?#]*)(?:\?([^#]*))?(?:#((?:.|\n|\r)*))?/i;
+var NO_MATCH_IS_UNDEFINED = "".match(/(){0}/)[1] === undefined;
+function parse(uriString) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+    var components = {};
+    var protocol = options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL;
+    if (options.reference === "suffix") uriString = (options.scheme ? options.scheme + ":" : "") + "//" + uriString;
+    var matches = uriString.match(URI_PARSE);
+    if (matches) {
+        if (NO_MATCH_IS_UNDEFINED) {
+            //store each component
+            components.scheme = matches[1];
+            components.userinfo = matches[3];
+            components.host = matches[4];
+            components.port = parseInt(matches[5], 10);
+            components.path = matches[6] || "";
+            components.query = matches[7];
+            components.fragment = matches[8];
+            //fix port number
+            if (isNaN(components.port)) {
+                components.port = matches[5];
+            }
+        } else {
+            //IE FIX for improper RegExp matching
+            //store each component
+            components.scheme = matches[1] || undefined;
+            components.userinfo = uriString.indexOf("@") !== -1 ? matches[3] : undefined;
+            components.host = uriString.indexOf("//") !== -1 ? matches[4] : undefined;
+            components.port = parseInt(matches[5], 10);
+            components.path = matches[6] || "";
+            components.query = uriString.indexOf("?") !== -1 ? matches[7] : undefined;
+            components.fragment = uriString.indexOf("#") !== -1 ? matches[8] : undefined;
+            //fix port number
+            if (isNaN(components.port)) {
+                components.port = uriString.match(/\/\/(?:.|\n)*\:(?:\/|\?|\#|$)/) ? matches[4] : undefined;
+            }
+        }
+        if (components.host) {
+            //normalize IP hosts
+            components.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol);
+        }
+        //determine reference type
+        if (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) {
+            components.reference = "same-document";
+        } else if (components.scheme === undefined) {
+            components.reference = "relative";
+        } else if (components.fragment === undefined) {
+            components.reference = "absolute";
+        } else {
+            components.reference = "uri";
+        }
+        //check for reference errors
+        if (options.reference && options.reference !== "suffix" && options.reference !== components.reference) {
+            components.error = components.error || "URI is not a " + options.reference + " reference.";
+        }
+        //find scheme handler
+        var schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()];
+        //check if scheme can't handle IRIs
+        if (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) {
+            //if host component is a domain name
+            if (components.host && (options.domainHost || schemeHandler && schemeHandler.domainHost)) {
+                //convert Unicode IDN -> ASCII IDN
+                try {
+                    components.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase());
+                } catch (e) {
+                    components.error = components.error || "Host's domain name can not be converted to ASCII via punycode: " + e;
+                }
+            }
+            //convert IRI -> URI
+            _normalizeComponentEncoding(components, URI_PROTOCOL);
+        } else {
+            //normalize encodings
+            _normalizeComponentEncoding(components, protocol);
+        }
+        //perform scheme specific parsing
+        if (schemeHandler && schemeHandler.parse) {
+            schemeHandler.parse(components, options);
+        }
+    } else {
+        components.error = components.error || "URI can not be parsed.";
+    }
+    return components;
+}
+
+function _recomposeAuthority(components, options) {
+    var protocol = options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL;
+    var uriTokens = [];
+    if (components.userinfo !== undefined) {
+        uriTokens.push(components.userinfo);
+        uriTokens.push("@");
+    }
+    if (components.host !== undefined) {
+        //normalize IP hosts, add brackets and escape zone separator for IPv6
+        uriTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, function (_, $1, $2) {
+            return "[" + $1 + ($2 ? "%25" + $2 : "") + "]";
+        }));
+    }
+    if (typeof components.port === "number" || typeof components.port === "string") {
+        uriTokens.push(":");
+        uriTokens.push(String(components.port));
+    }
+    return uriTokens.length ? uriTokens.join("") : undefined;
+}
+
+var RDS1 = /^\.\.?\//;
+var RDS2 = /^\/\.(\/|$)/;
+var RDS3 = /^\/\.\.(\/|$)/;
+var RDS5 = /^\/?(?:.|\n)*?(?=\/|$)/;
+function removeDotSegments(input) {
+    var output = [];
+    while (input.length) {
+        if (input.match(RDS1)) {
+            input = input.replace(RDS1, "");
+        } else if (input.match(RDS2)) {
+            input = input.replace(RDS2, "/");
+        } else if (input.match(RDS3)) {
+            input = input.replace(RDS3, "/");
+            output.pop();
+        } else if (input === "." || input === "..") {
+            input = "";
+        } else {
+            var im = input.match(RDS5);
+            if (im) {
+                var s = im[0];
+                input = input.slice(s.length);
+                output.push(s);
+            } else {
+                throw new Error("Unexpected dot segment condition");
+            }
+        }
+    }
+    return output.join("");
+}
+
+function serialize(components) {
+    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+    var protocol = options.iri ? IRI_PROTOCOL : URI_PROTOCOL;
+    var uriTokens = [];
+    //find scheme handler
+    var schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()];
+    //perform scheme specific serialization
+    if (schemeHandler && schemeHandler.serialize) schemeHandler.serialize(components, options);
+    if (components.host) {
+        //if host component is an IPv6 address
+        if (protocol.IPV6ADDRESS.test(components.host)) {}
+        //TODO: normalize IPv6 address as per RFC 5952
+
+        //if host component is a domain name
+        else if (options.domainHost || schemeHandler && schemeHandler.domainHost) {
+                //convert IDN via punycode
+                try {
+                    components.host = !options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host);
+                } catch (e) {
+                    components.error = components.error || "Host's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e;
+                }
+            }
+    }
+    //normalize encoding
+    _normalizeComponentEncoding(components, protocol);
+    if (options.reference !== "suffix" && components.scheme) {
+        uriTokens.push(components.scheme);
+        uriTokens.push(":");
+    }
+    var authority = _recomposeAuthority(components, options);
+    if (authority !== undefined) {
+        if (options.reference !== "suffix") {
+            uriTokens.push("//");
+        }
+        uriTokens.push(authority);
+        if (components.path && components.path.charAt(0) !== "/") {
+            uriTokens.push("/");
+        }
+    }
+    if (components.path !== undefined) {
+        var s = components.path;
+        if (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) {
+            s = removeDotSegments(s);
+        }
+        if (authority === undefined) {
+            s = s.replace(/^\/\//, "/%2F"); //don't allow the path to start with "//"
+        }
+        uriTokens.push(s);
+    }
+    if (components.query !== undefined) {
+        uriTokens.push("?");
+        uriTokens.push(components.query);
+    }
+    if (components.fragment !== undefined) {
+        uriTokens.push("#");
+        uriTokens.push(components.fragment);
+    }
+    return uriTokens.join(""); //merge tokens into a string
+}
+
+function resolveComponents(base, relative) {
+    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+    var skipNormalization = arguments[3];
+
+    var target = {};
+    if (!skipNormalization) {
+        base = parse(serialize(base, options), options); //normalize base components
+        relative = parse(serialize(relative, options), options); //normalize relative components
+    }
+    options = options || {};
+    if (!options.tolerant && relative.scheme) {
+        target.scheme = relative.scheme;
+        //target.authority = relative.authority;
+        target.userinfo = relative.userinfo;
+        target.host = relative.host;
+        target.port = relative.port;
+        target.path = removeDotSegments(relative.path || "");
+        target.query = relative.query;
+    } else {
+        if (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) {
+            //target.authority = relative.authority;
+            target.userinfo = relative.userinfo;
+            target.host = relative.host;
+            target.port = relative.port;
+            target.path = removeDotSegments(relative.path || "");
+            target.query = relative.query;
+        } else {
+            if (!relative.path) {
+                target.path = base.path;
+                if (relative.query !== undefined) {
+                    target.query = relative.query;
+                } else {
+                    target.query = base.query;
+                }
+            } else {
+                if (relative.path.charAt(0) === "/") {
+                    target.path = removeDotSegments(relative.path);
+                } else {
+                    if ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) {
+                        target.path = "/" + relative.path;
+                    } else if (!base.path) {
+                        target.path = relative.path;
+                    } else {
+                        target.path = base.path.slice(0, base.path.lastIndexOf("/") + 1) + relative.path;
+                    }
+                    target.path = removeDotSegments(target.path);
+                }
+                target.query = relative.query;
+            }
+            //target.authority = base.authority;
+            target.userinfo = base.userinfo;
+            target.host = base.host;
+            target.port = base.port;
+        }
+        target.scheme = base.scheme;
+    }
+    target.fragment = relative.fragment;
+    return target;
+}
+
+function resolve(baseURI, relativeURI, options) {
+    var schemelessOptions = assign({ scheme: 'null' }, options);
+    return serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions);
+}
+
+function normalize(uri, options) {
+    if (typeof uri === "string") {
+        uri = serialize(parse(uri, options), options);
+    } else if (typeOf(uri) === "object") {
+        uri = parse(serialize(uri, options), options);
+    }
+    return uri;
+}
+
+function equal(uriA, uriB, options) {
+    if (typeof uriA === "string") {
+        uriA = serialize(parse(uriA, options), options);
+    } else if (typeOf(uriA) === "object") {
+        uriA = serialize(uriA, options);
+    }
+    if (typeof uriB === "string") {
+        uriB = serialize(parse(uriB, options), options);
+    } else if (typeOf(uriB) === "object") {
+        uriB = serialize(uriB, options);
+    }
+    return uriA === uriB;
+}
+
+function escapeComponent(str, options) {
+    return str && str.toString().replace(!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE, pctEncChar);
+}
+
+function unescapeComponent(str, options) {
+    return str && str.toString().replace(!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED, pctDecChars);
+}
+
+var handler = {
+    scheme: "http",
+    domainHost: true,
+    parse: function parse(components, options) {
+        //report missing host
+        if (!components.host) {
+            components.error = components.error || "HTTP URIs must have a host.";
+        }
+        return components;
+    },
+    serialize: function serialize(components, options) {
+        var secure = String(components.scheme).toLowerCase() === "https";
+        //normalize the default port
+        if (components.port === (secure ? 443 : 80) || components.port === "") {
+            components.port = undefined;
+        }
+        //normalize the empty path
+        if (!components.path) {
+            components.path = "/";
+        }
+        //NOTE: We do not parse query strings for HTTP URIs
+        //as WWW Form Url Encoded query strings are part of the HTML4+ spec,
+        //and not the HTTP spec.
+        return components;
+    }
+};
+
+var handler$1 = {
+    scheme: "https",
+    domainHost: handler.domainHost,
+    parse: handler.parse,
+    serialize: handler.serialize
+};
+
+function isSecure(wsComponents) {
+    return typeof wsComponents.secure === 'boolean' ? wsComponents.secure : String(wsComponents.scheme).toLowerCase() === "wss";
+}
+//RFC 6455
+var handler$2 = {
+    scheme: "ws",
+    domainHost: true,
+    parse: function parse(components, options) {
+        var wsComponents = components;
+        //indicate if the secure flag is set
+        wsComponents.secure = isSecure(wsComponents);
+        //construct resouce name
+        wsComponents.resourceName = (wsComponents.path || '/') + (wsComponents.query ? '?' + wsComponents.query : '');
+        wsComponents.path = undefined;
+        wsComponents.query = undefined;
+        return wsComponents;
+    },
+    serialize: function serialize(wsComponents, options) {
+        //normalize the default port
+        if (wsComponents.port === (isSecure(wsComponents) ? 443 : 80) || wsComponents.port === "") {
+            wsComponents.port = undefined;
+        }
+        //ensure scheme matches secure flag
+        if (typeof wsComponents.secure === 'boolean') {
+            wsComponents.scheme = wsComponents.secure ? 'wss' : 'ws';
+            wsComponents.secure = undefined;
+        }
+        //reconstruct path from resource name
+        if (wsComponents.resourceName) {
+            var _wsComponents$resourc = wsComponents.resourceName.split('?'),
+                _wsComponents$resourc2 = slicedToArray(_wsComponents$resourc, 2),
+                path = _wsComponents$resourc2[0],
+                query = _wsComponents$resourc2[1];
+
+            wsComponents.path = path && path !== '/' ? path : undefined;
+            wsComponents.query = query;
+            wsComponents.resourceName = undefined;
+        }
+        //forbid fragment component
+        wsComponents.fragment = undefined;
+        return wsComponents;
+    }
+};
+
+var handler$3 = {
+    scheme: "wss",
+    domainHost: handler$2.domainHost,
+    parse: handler$2.parse,
+    serialize: handler$2.serialize
+};
+
+var O = {};
+var isIRI = true;
+//RFC 3986
+var UNRESERVED$$ = "[A-Za-z0-9\\-\\.\\_\\~" + (isIRI ? "\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF" : "") + "]";
+var HEXDIG$$ = "[0-9A-Fa-f]"; //case-insensitive
+var PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)); //expanded
+//RFC 5322, except these symbols as per RFC 6068: @ : / ? # [ ] & ; =
+//const ATEXT$$ = "[A-Za-z0-9\\!\\#\\$\\%\\&\\'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]";
+//const WSP$$ = "[\\x20\\x09]";
+//const OBS_QTEXT$$ = "[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x7F]";  //(%d1-8 / %d11-12 / %d14-31 / %d127)
+//const QTEXT$$ = merge("[\\x21\\x23-\\x5B\\x5D-\\x7E]", OBS_QTEXT$$);  //%d33 / %d35-91 / %d93-126 / obs-qtext
+//const VCHAR$$ = "[\\x21-\\x7E]";
+//const WSP$$ = "[\\x20\\x09]";
+//const OBS_QP$ = subexp("\\\\" + merge("[\\x00\\x0D\\x0A]", OBS_QTEXT$$));  //%d0 / CR / LF / obs-qtext
+//const FWS$ = subexp(subexp(WSP$$ + "*" + "\\x0D\\x0A") + "?" + WSP$$ + "+");
+//const QUOTED_PAIR$ = subexp(subexp("\\\\" + subexp(VCHAR$$ + "|" + WSP$$)) + "|" + OBS_QP$);
+//const QUOTED_STRING$ = subexp('\\"' + subexp(FWS$ + "?" + QCONTENT$) + "*" + FWS$ + "?" + '\\"');
+var ATEXT$$ = "[A-Za-z0-9\\!\\$\\%\\'\\*\\+\\-\\^\\_\\`\\{\\|\\}\\~]";
+var QTEXT$$ = "[\\!\\$\\%\\'\\(\\)\\*\\+\\,\\-\\.0-9\\<\\>A-Z\\x5E-\\x7E]";
+var VCHAR$$ = merge(QTEXT$$, "[\\\"\\\\]");
+var SOME_DELIMS$$ = "[\\!\\$\\'\\(\\)\\*\\+\\,\\;\\:\\@]";
+var UNRESERVED = new RegExp(UNRESERVED$$, "g");
+var PCT_ENCODED = new RegExp(PCT_ENCODED$, "g");
+var NOT_LOCAL_PART = new RegExp(merge("[^]", ATEXT$$, "[\\.]", '[\\"]', VCHAR$$), "g");
+var NOT_HFNAME = new RegExp(merge("[^]", UNRESERVED$$, SOME_DELIMS$$), "g");
+var NOT_HFVALUE = NOT_HFNAME;
+function decodeUnreserved(str) {
+    var decStr = pctDecChars(str);
+    return !decStr.match(UNRESERVED) ? str : decStr;
+}
+var handler$4 = {
+    scheme: "mailto",
+    parse: function parse$$1(components, options) {
+        var mailtoComponents = components;
+        var to = mailtoComponents.to = mailtoComponents.path ? mailtoComponents.path.split(",") : [];
+        mailtoComponents.path = undefined;
+        if (mailtoComponents.query) {
+            var unknownHeaders = false;
+            var headers = {};
+            var hfields = mailtoComponents.query.split("&");
+            for (var x = 0, xl = hfields.length; x < xl; ++x) {
+                var hfield = hfields[x].split("=");
+                switch (hfield[0]) {
+                    case "to":
+                        var toAddrs = hfield[1].split(",");
+                        for (var _x = 0, _xl = toAddrs.length; _x < _xl; ++_x) {
+                            to.push(toAddrs[_x]);
+                        }
+                        break;
+                    case "subject":
+                        mailtoComponents.subject = unescapeComponent(hfield[1], options);
+                        break;
+                    case "body":
+                        mailtoComponents.body = unescapeComponent(hfield[1], options);
+                        break;
+                    default:
+                        unknownHeaders = true;
+                        headers[unescapeComponent(hfield[0], options)] = unescapeComponent(hfield[1], options);
+                        break;
+                }
+            }
+            if (unknownHeaders) mailtoComponents.headers = headers;
+        }
+        mailtoComponents.query = undefined;
+        for (var _x2 = 0, _xl2 = to.length; _x2 < _xl2; ++_x2) {
+            var addr = to[_x2].split("@");
+            addr[0] = unescapeComponent(addr[0]);
+            if (!options.unicodeSupport) {
+                //convert Unicode IDN -> ASCII IDN
+                try {
+                    addr[1] = punycode.toASCII(unescapeComponent(addr[1], options).toLowerCase());
+                } catch (e) {
+                    mailtoComponents.error = mailtoComponents.error || "Email address's domain name can not be converted to ASCII via punycode: " + e;
+                }
+            } else {
+                addr[1] = unescapeComponent(addr[1], options).toLowerCase();
+            }
+            to[_x2] = addr.join("@");
+        }
+        return mailtoComponents;
+    },
+    serialize: function serialize$$1(mailtoComponents, options) {
+        var components = mailtoComponents;
+        var to = toArray(mailtoComponents.to);
+        if (to) {
+            for (var x = 0, xl = to.length; x < xl; ++x) {
+                var toAddr = String(to[x]);
+                var atIdx = toAddr.lastIndexOf("@");
+                var localPart = toAddr.slice(0, atIdx).replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_LOCAL_PART, pctEncChar);
+                var domain = toAddr.slice(atIdx + 1);
+                //convert IDN via punycode
+                try {
+                    domain = !options.iri ? punycode.toASCII(unescapeComponent(domain, options).toLowerCase()) : punycode.toUnicode(domain);
+                } catch (e) {
+                    components.error = components.error || "Email address's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e;
+                }
+                to[x] = localPart + "@" + domain;
+            }
+            components.path = to.join(",");
+        }
+        var headers = mailtoComponents.headers = mailtoComponents.headers || {};
+        if (mailtoComponents.subject) headers["subject"] = mailtoComponents.subject;
+        if (mailtoComponents.body) headers["body"] = mailtoComponents.body;
+        var fields = [];
+        for (var name in headers) {
+            if (headers[name] !== O[name]) {
+                fields.push(name.replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFNAME, pctEncChar) + "=" + headers[name].replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFVALUE, pctEncChar));
+            }
+        }
+        if (fields.length) {
+            components.query = fields.join("&");
+        }
+        return components;
+    }
+};
+
+var URN_PARSE = /^([^\:]+)\:(.*)/;
+//RFC 2141
+var handler$5 = {
+    scheme: "urn",
+    parse: function parse$$1(components, options) {
+        var matches = components.path && components.path.match(URN_PARSE);
+        var urnComponents = components;
+        if (matches) {
+            var scheme = options.scheme || urnComponents.scheme || "urn";
+            var nid = matches[1].toLowerCase();
+            var nss = matches[2];
+            var urnScheme = scheme + ":" + (options.nid || nid);
+            var schemeHandler = SCHEMES[urnScheme];
+            urnComponents.nid = nid;
+            urnComponents.nss = nss;
+            urnComponents.path = undefined;
+            if (schemeHandler) {
+                urnComponents = schemeHandler.parse(urnComponents, options);
+            }
+        } else {
+            urnComponents.error = urnComponents.error || "URN can not be parsed.";
+        }
+        return urnComponents;
+    },
+    serialize: function serialize$$1(urnComponents, options) {
+        var scheme = options.scheme || urnComponents.scheme || "urn";
+        var nid = urnComponents.nid;
+        var urnScheme = scheme + ":" + (options.nid || nid);
+        var schemeHandler = SCHEMES[urnScheme];
+        if (schemeHandler) {
+            urnComponents = schemeHandler.serialize(urnComponents, options);
+        }
+        var uriComponents = urnComponents;
+        var nss = urnComponents.nss;
+        uriComponents.path = (nid || options.nid) + ":" + nss;
+        return uriComponents;
+    }
+};
+
+var UUID = /^[0-9A-Fa-f]{8}(?:\-[0-9A-Fa-f]{4}){3}\-[0-9A-Fa-f]{12}$/;
+//RFC 4122
+var handler$6 = {
+    scheme: "urn:uuid",
+    parse: function parse(urnComponents, options) {
+        var uuidComponents = urnComponents;
+        uuidComponents.uuid = uuidComponents.nss;
+        uuidComponents.nss = undefined;
+        if (!options.tolerant && (!uuidComponents.uuid || !uuidComponents.uuid.match(UUID))) {
+            uuidComponents.error = uuidComponents.error || "UUID is not valid.";
+        }
+        return uuidComponents;
+    },
+    serialize: function serialize(uuidComponents, options) {
+        var urnComponents = uuidComponents;
+        //normalize UUID
+        urnComponents.nss = (uuidComponents.uuid || "").toLowerCase();
+        return urnComponents;
+    }
+};
+
+SCHEMES[handler.scheme] = handler;
+SCHEMES[handler$1.scheme] = handler$1;
+SCHEMES[handler$2.scheme] = handler$2;
+SCHEMES[handler$3.scheme] = handler$3;
+SCHEMES[handler$4.scheme] = handler$4;
+SCHEMES[handler$5.scheme] = handler$5;
+SCHEMES[handler$6.scheme] = handler$6;
+
+exports.SCHEMES = SCHEMES;
+exports.pctEncChar = pctEncChar;
+exports.pctDecChars = pctDecChars;
+exports.parse = parse;
+exports.removeDotSegments = removeDotSegments;
+exports.serialize = serialize;
+exports.resolveComponents = resolveComponents;
+exports.resolve = resolve;
+exports.normalize = normalize;
+exports.equal = equal;
+exports.escapeComponent = escapeComponent;
+exports.unescapeComponent = unescapeComponent;
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
+//# sourceMappingURL=uri.all.js.map
diff --git a/node_modules/uri-js/dist/es5/uri.all.js.map b/node_modules/uri-js/dist/es5/uri.all.js.map
new file mode 100644
index 000000000..5b30c4e22
--- /dev/null
+++ b/node_modules/uri-js/dist/es5/uri.all.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"uri.all.js","sources":["../../src/index.ts","../../src/schemes/urn-uuid.ts","../../src/schemes/urn.ts","../../src/schemes/mailto.ts","../../src/schemes/wss.ts","../../src/schemes/ws.ts","../../src/schemes/https.ts","../../src/schemes/http.ts","../../src/uri.ts","../../node_modules/punycode/punycode.es6.js","../../src/regexps-iri.ts","../../src/regexps-uri.ts","../../src/util.ts"],"sourcesContent":["import { SCHEMES } from \"./uri\";\n\nimport http from \"./schemes/http\";\nSCHEMES[http.scheme] = http;\n\nimport https from \"./schemes/https\";\nSCHEMES[https.scheme] = https;\n\nimport ws from \"./schemes/ws\";\nSCHEMES[ws.scheme] = ws;\n\nimport wss from \"./schemes/wss\";\nSCHEMES[wss.scheme] = wss;\n\nimport mailto from \"./schemes/mailto\";\nSCHEMES[mailto.scheme] = mailto;\n\nimport urn from \"./schemes/urn\";\nSCHEMES[urn.scheme] = urn;\n\nimport uuid from \"./schemes/urn-uuid\";\nSCHEMES[uuid.scheme] = uuid;\n\nexport * from \"./uri\";\n","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport { URNComponents } from \"./urn\";\nimport { SCHEMES } from \"../uri\";\n\nexport interface UUIDComponents extends URNComponents {\n\tuuid?: string;\n}\n\nconst UUID = /^[0-9A-Fa-f]{8}(?:\\-[0-9A-Fa-f]{4}){3}\\-[0-9A-Fa-f]{12}$/;\nconst UUID_PARSE = /^[0-9A-Fa-f\\-]{36}/;\n\n//RFC 4122\nconst handler:URISchemeHandler<UUIDComponents, URIOptions, URNComponents> = {\n\tscheme : \"urn:uuid\",\n\n\tparse : function (urnComponents:URNComponents, options:URIOptions):UUIDComponents {\n\t\tconst uuidComponents = urnComponents as UUIDComponents;\n\t\tuuidComponents.uuid = uuidComponents.nss;\n\t\tuuidComponents.nss = undefined;\n\n\t\tif (!options.tolerant && (!uuidComponents.uuid || !uuidComponents.uuid.match(UUID))) {\n\t\t\tuuidComponents.error = uuidComponents.error || \"UUID is not valid.\";\n\t\t}\n\n\t\treturn uuidComponents;\n\t},\n\n\tserialize : function (uuidComponents:UUIDComponents, options:URIOptions):URNComponents {\n\t\tconst urnComponents = uuidComponents as URNComponents;\n\t\t//normalize UUID\n\t\turnComponents.nss = (uuidComponents.uuid || \"\").toLowerCase();\n\t\treturn urnComponents;\n\t},\n};\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport { pctEncChar, SCHEMES } from \"../uri\";\n\nexport interface URNComponents extends URIComponents {\n\tnid?:string;\n\tnss?:string;\n}\n\nexport interface URNOptions extends URIOptions {\n\tnid?:string;\n}\n\nconst NID$ = \"(?:[0-9A-Za-z][0-9A-Za-z\\\\-]{1,31})\";\nconst PCT_ENCODED$ = \"(?:\\\\%[0-9A-Fa-f]{2})\";\nconst TRANS$$ = \"[0-9A-Za-z\\\\(\\\\)\\\\+\\\\,\\\\-\\\\.\\\\:\\\\=\\\\@\\\\;\\\\$\\\\_\\\\!\\\\*\\\\'\\\\/\\\\?\\\\#]\";\nconst NSS$ = \"(?:(?:\" + PCT_ENCODED$ + \"|\" + TRANS$$ + \")+)\";\nconst URN_SCHEME = new RegExp(\"^urn\\\\:(\" + NID$ + \")$\");\nconst URN_PATH = new RegExp(\"^(\" + NID$ + \")\\\\:(\" + NSS$ + \")$\");\nconst URN_PARSE = /^([^\\:]+)\\:(.*)/;\nconst URN_EXCLUDED = /[\\x00-\\x20\\\\\\\"\\&\\<\\>\\[\\]\\^\\`\\{\\|\\}\\~\\x7F-\\xFF]/g;\n\n//RFC 2141\nconst handler:URISchemeHandler<URNComponents,URNOptions> = {\n\tscheme : \"urn\",\n\n\tparse : function (components:URIComponents, options:URNOptions):URNComponents {\n\t\tconst matches = components.path && components.path.match(URN_PARSE);\n\t\tlet urnComponents = components as URNComponents;\n\n\t\tif (matches) {\n\t\t\tconst scheme = options.scheme || urnComponents.scheme || \"urn\";\n\t\t\tconst nid = matches[1].toLowerCase();\n\t\t\tconst nss = matches[2];\n\t\t\tconst urnScheme = `${scheme}:${options.nid || nid}`;\n\t\t\tconst schemeHandler = SCHEMES[urnScheme];\n\n\t\t\turnComponents.nid = nid;\n\t\t\turnComponents.nss = nss;\n\t\t\turnComponents.path = undefined;\n\n\t\t\tif (schemeHandler) {\n\t\t\t\turnComponents = schemeHandler.parse(urnComponents, options) as URNComponents;\n\t\t\t}\n\t\t} else {\n\t\t\turnComponents.error = urnComponents.error || \"URN can not be parsed.\";\n\t\t}\n\n\t\treturn urnComponents;\n\t},\n\n\tserialize : function (urnComponents:URNComponents, options:URNOptions):URIComponents {\n\t\tconst scheme = options.scheme || urnComponents.scheme || \"urn\";\n\t\tconst nid = urnComponents.nid;\n\t\tconst urnScheme = `${scheme}:${options.nid || nid}`;\n\t\tconst schemeHandler = SCHEMES[urnScheme];\n\n\t\tif (schemeHandler) {\n\t\t\turnComponents = schemeHandler.serialize(urnComponents, options) as URNComponents;\n\t\t}\n\n\t\tconst uriComponents = urnComponents as URIComponents;\n\t\tconst nss = urnComponents.nss;\n\t\turiComponents.path = `${nid || options.nid}:${nss}`;\n\n\t\treturn uriComponents;\n\t},\n};\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport { pctEncChar, pctDecChars, unescapeComponent } from \"../uri\";\nimport punycode from \"punycode\";\nimport { merge, subexp, toUpperCase, toArray } from \"../util\";\n\nexport interface MailtoHeaders {\n\t[hfname:string]:string\n}\n\nexport interface MailtoComponents extends URIComponents {\n\tto:Array<string>,\n\theaders?:MailtoHeaders,\n\tsubject?:string,\n\tbody?:string\n}\n\nconst O:MailtoHeaders = {};\nconst isIRI = true;\n\n//RFC 3986\nconst UNRESERVED$$ = \"[A-Za-z0-9\\\\-\\\\.\\\\_\\\\~\" + (isIRI ? \"\\\\xA0-\\\\u200D\\\\u2010-\\\\u2029\\\\u202F-\\\\uD7FF\\\\uF900-\\\\uFDCF\\\\uFDF0-\\\\uFFEF\" : \"\") + \"]\";\nconst HEXDIG$$ = \"[0-9A-Fa-f]\";  //case-insensitive\nconst PCT_ENCODED$ = subexp(subexp(\"%[EFef]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%[89A-Fa-f]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%\" + HEXDIG$$ + HEXDIG$$));  //expanded\n\n//RFC 5322, except these symbols as per RFC 6068: @ : / ? # [ ] & ; =\n//const ATEXT$$ = \"[A-Za-z0-9\\\\!\\\\#\\\\$\\\\%\\\\&\\\\'\\\\*\\\\+\\\\-\\\\/\\\\=\\\\?\\\\^\\\\_\\\\`\\\\{\\\\|\\\\}\\\\~]\";\n//const WSP$$ = \"[\\\\x20\\\\x09]\";\n//const OBS_QTEXT$$ = \"[\\\\x01-\\\\x08\\\\x0B\\\\x0C\\\\x0E-\\\\x1F\\\\x7F]\";  //(%d1-8 / %d11-12 / %d14-31 / %d127)\n//const QTEXT$$ = merge(\"[\\\\x21\\\\x23-\\\\x5B\\\\x5D-\\\\x7E]\", OBS_QTEXT$$);  //%d33 / %d35-91 / %d93-126 / obs-qtext\n//const VCHAR$$ = \"[\\\\x21-\\\\x7E]\";\n//const WSP$$ = \"[\\\\x20\\\\x09]\";\n//const OBS_QP$ = subexp(\"\\\\\\\\\" + merge(\"[\\\\x00\\\\x0D\\\\x0A]\", OBS_QTEXT$$));  //%d0 / CR / LF / obs-qtext\n//const FWS$ = subexp(subexp(WSP$$ + \"*\" + \"\\\\x0D\\\\x0A\") + \"?\" + WSP$$ + \"+\");\n//const QUOTED_PAIR$ = subexp(subexp(\"\\\\\\\\\" + subexp(VCHAR$$ + \"|\" + WSP$$)) + \"|\" + OBS_QP$);\n//const QUOTED_STRING$ = subexp('\\\\\"' + subexp(FWS$ + \"?\" + QCONTENT$) + \"*\" + FWS$ + \"?\" + '\\\\\"');\nconst ATEXT$$ = \"[A-Za-z0-9\\\\!\\\\$\\\\%\\\\'\\\\*\\\\+\\\\-\\\\^\\\\_\\\\`\\\\{\\\\|\\\\}\\\\~]\";\nconst QTEXT$$ = \"[\\\\!\\\\$\\\\%\\\\'\\\\(\\\\)\\\\*\\\\+\\\\,\\\\-\\\\.0-9\\\\<\\\\>A-Z\\\\x5E-\\\\x7E]\";\nconst VCHAR$$ = merge(QTEXT$$, \"[\\\\\\\"\\\\\\\\]\");\nconst DOT_ATOM_TEXT$ = subexp(ATEXT$$ + \"+\" + subexp(\"\\\\.\" + ATEXT$$ + \"+\") + \"*\");\nconst QUOTED_PAIR$ = subexp(\"\\\\\\\\\" + VCHAR$$);\nconst QCONTENT$ = subexp(QTEXT$$ + \"|\" + QUOTED_PAIR$);\nconst QUOTED_STRING$ = subexp('\\\\\"' + QCONTENT$ + \"*\" + '\\\\\"');\n\n//RFC 6068\nconst DTEXT_NO_OBS$$ = \"[\\\\x21-\\\\x5A\\\\x5E-\\\\x7E]\";  //%d33-90 / %d94-126\nconst SOME_DELIMS$$ = \"[\\\\!\\\\$\\\\'\\\\(\\\\)\\\\*\\\\+\\\\,\\\\;\\\\:\\\\@]\";\nconst QCHAR$ = subexp(UNRESERVED$$ + \"|\" + PCT_ENCODED$ + \"|\" + SOME_DELIMS$$);\nconst DOMAIN$ = subexp(DOT_ATOM_TEXT$ + \"|\" + \"\\\\[\" + DTEXT_NO_OBS$$ + \"*\" + \"\\\\]\");\nconst LOCAL_PART$ = subexp(DOT_ATOM_TEXT$ + \"|\" + QUOTED_STRING$);\nconst ADDR_SPEC$ = subexp(LOCAL_PART$ + \"\\\\@\" + DOMAIN$);\nconst TO$ = subexp(ADDR_SPEC$ + subexp(\"\\\\,\" + ADDR_SPEC$) + \"*\");\nconst HFNAME$ = subexp(QCHAR$ + \"*\");\nconst HFVALUE$ = HFNAME$;\nconst HFIELD$ = subexp(HFNAME$ + \"\\\\=\" + HFVALUE$);\nconst HFIELDS2$ = subexp(HFIELD$ + subexp(\"\\\\&\" + HFIELD$) + \"*\");\nconst HFIELDS$ = subexp(\"\\\\?\" + HFIELDS2$);\nconst MAILTO_URI = new RegExp(\"^mailto\\\\:\" + TO$ + \"?\" + HFIELDS$ + \"?$\");\n\nconst UNRESERVED = new RegExp(UNRESERVED$$, \"g\");\nconst PCT_ENCODED = new RegExp(PCT_ENCODED$, \"g\");\nconst NOT_LOCAL_PART = new RegExp(merge(\"[^]\", ATEXT$$, \"[\\\\.]\", '[\\\\\"]', VCHAR$$), \"g\");\nconst NOT_DOMAIN = new RegExp(merge(\"[^]\", ATEXT$$, \"[\\\\.]\", \"[\\\\[]\", DTEXT_NO_OBS$$, \"[\\\\]]\"), \"g\");\nconst NOT_HFNAME = new RegExp(merge(\"[^]\", UNRESERVED$$, SOME_DELIMS$$), \"g\");\nconst NOT_HFVALUE = NOT_HFNAME;\nconst TO = new RegExp(\"^\" + TO$ + \"$\");\nconst HFIELDS = new RegExp(\"^\" + HFIELDS2$ + \"$\");\n\nfunction decodeUnreserved(str:string):string {\n\tconst decStr = pctDecChars(str);\n\treturn (!decStr.match(UNRESERVED) ? str : decStr);\n}\n\nconst handler:URISchemeHandler<MailtoComponents> =  {\n\tscheme : \"mailto\",\n\n\tparse : function (components:URIComponents, options:URIOptions):MailtoComponents {\n\t\tconst mailtoComponents = components as MailtoComponents;\n\t\tconst to = mailtoComponents.to = (mailtoComponents.path ? mailtoComponents.path.split(\",\") : []);\n\t\tmailtoComponents.path = undefined;\n\n\t\tif (mailtoComponents.query) {\n\t\t\tlet unknownHeaders = false\n\t\t\tconst headers:MailtoHeaders = {};\n\t\t\tconst hfields = mailtoComponents.query.split(\"&\");\n\n\t\t\tfor (let x = 0, xl = hfields.length; x < xl; ++x) {\n\t\t\t\tconst hfield = hfields[x].split(\"=\");\n\n\t\t\t\tswitch (hfield[0]) {\n\t\t\t\t\tcase \"to\":\n\t\t\t\t\t\tconst toAddrs = hfield[1].split(\",\");\n\t\t\t\t\t\tfor (let x = 0, xl = toAddrs.length; x < xl; ++x) {\n\t\t\t\t\t\t\tto.push(toAddrs[x]);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase \"subject\":\n\t\t\t\t\t\tmailtoComponents.subject = unescapeComponent(hfield[1], options);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase \"body\":\n\t\t\t\t\t\tmailtoComponents.body = unescapeComponent(hfield[1], options);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tunknownHeaders = true;\n\t\t\t\t\t\theaders[unescapeComponent(hfield[0], options)] = unescapeComponent(hfield[1], options);\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (unknownHeaders) mailtoComponents.headers = headers;\n\t\t}\n\n\t\tmailtoComponents.query = undefined;\n\n\t\tfor (let x = 0, xl = to.length; x < xl; ++x) {\n\t\t\tconst addr = to[x].split(\"@\");\n\n\t\t\taddr[0] = unescapeComponent(addr[0]);\n\n\t\t\tif (!options.unicodeSupport) {\n\t\t\t\t//convert Unicode IDN -> ASCII IDN\n\t\t\t\ttry {\n\t\t\t\t\taddr[1] = punycode.toASCII(unescapeComponent(addr[1], options).toLowerCase());\n\t\t\t\t} catch (e) {\n\t\t\t\t\tmailtoComponents.error = mailtoComponents.error || \"Email address's domain name can not be converted to ASCII via punycode: \" + e;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\taddr[1] = unescapeComponent(addr[1], options).toLowerCase();\n\t\t\t}\n\n\t\t\tto[x] = addr.join(\"@\");\n\t\t}\n\n\t\treturn mailtoComponents;\n\t},\n\n\tserialize : function (mailtoComponents:MailtoComponents, options:URIOptions):URIComponents {\n\t\tconst components = mailtoComponents as URIComponents;\n\t\tconst to = toArray(mailtoComponents.to);\n\t\tif (to) {\n\t\t\tfor (let x = 0, xl = to.length; x < xl; ++x) {\n\t\t\t\tconst toAddr = String(to[x]);\n\t\t\t\tconst atIdx = toAddr.lastIndexOf(\"@\");\n\t\t\t\tconst localPart = (toAddr.slice(0, atIdx)).replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_LOCAL_PART, pctEncChar);\n\t\t\t\tlet domain = toAddr.slice(atIdx + 1);\n\n\t\t\t\t//convert IDN via punycode\n\t\t\t\ttry {\n\t\t\t\t\tdomain = (!options.iri ? punycode.toASCII(unescapeComponent(domain, options).toLowerCase()) : punycode.toUnicode(domain));\n\t\t\t\t} catch (e) {\n\t\t\t\t\tcomponents.error = components.error || \"Email address's domain name can not be converted to \" + (!options.iri ? \"ASCII\" : \"Unicode\") + \" via punycode: \" + e;\n\t\t\t\t}\n\n\t\t\t\tto[x] = localPart + \"@\" + domain;\n\t\t\t}\n\n\t\t\tcomponents.path = to.join(\",\");\n\t\t}\n\n\t\tconst headers = mailtoComponents.headers = mailtoComponents.headers || {};\n\n\t\tif (mailtoComponents.subject) headers[\"subject\"] = mailtoComponents.subject;\n\t\tif (mailtoComponents.body) headers[\"body\"] = mailtoComponents.body;\n\n\t\tconst fields = [];\n\t\tfor (const name in headers) {\n\t\t\tif (headers[name] !== O[name]) {\n\t\t\t\tfields.push(\n\t\t\t\t\tname.replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFNAME, pctEncChar) +\n\t\t\t\t\t\"=\" +\n\t\t\t\t\theaders[name].replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFVALUE, pctEncChar)\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\t\tif (fields.length) {\n\t\t\tcomponents.query = fields.join(\"&\");\n\t\t}\n\n\t\treturn components;\n\t}\n}\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport ws from \"./ws\";\n\nconst handler:URISchemeHandler = {\n\tscheme : \"wss\",\n\tdomainHost : ws.domainHost,\n\tparse : ws.parse,\n\tserialize : ws.serialize\n}\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\n\nexport interface WSComponents extends URIComponents {\n\tresourceName?: string;\n\tsecure?: boolean;\n}\n\nfunction isSecure(wsComponents:WSComponents):boolean {\n\treturn typeof wsComponents.secure === 'boolean' ? wsComponents.secure : String(wsComponents.scheme).toLowerCase() === \"wss\";\n}\n\n//RFC 6455\nconst handler:URISchemeHandler = {\n\tscheme : \"ws\",\n\n\tdomainHost : true,\n\n\tparse : function (components:URIComponents, options:URIOptions):WSComponents {\n\t\tconst wsComponents = components as WSComponents;\n\n\t\t//indicate if the secure flag is set\n\t\twsComponents.secure = isSecure(wsComponents);\n\n\t\t//construct resouce name\n\t\twsComponents.resourceName = (wsComponents.path || '/') + (wsComponents.query ? '?' + wsComponents.query : '');\n\t\twsComponents.path = undefined;\n\t\twsComponents.query = undefined;\n\n\t\treturn wsComponents;\n\t},\n\n\tserialize : function (wsComponents:WSComponents, options:URIOptions):URIComponents {\n\t\t//normalize the default port\n\t\tif (wsComponents.port === (isSecure(wsComponents) ? 443 : 80) || wsComponents.port === \"\") {\n\t\t\twsComponents.port = undefined;\n\t\t}\n\n\t\t//ensure scheme matches secure flag\n\t\tif (typeof wsComponents.secure === 'boolean') {\n\t\t\twsComponents.scheme = (wsComponents.secure ? 'wss' : 'ws');\n\t\t\twsComponents.secure = undefined;\n\t\t}\n\n\t\t//reconstruct path from resource name\n\t\tif (wsComponents.resourceName) {\n\t\t\tconst [path, query] = wsComponents.resourceName.split('?');\n\t\t\twsComponents.path = (path && path !== '/' ? path : undefined);\n\t\t\twsComponents.query = query;\n\t\t\twsComponents.resourceName = undefined;\n\t\t}\n\n\t\t//forbid fragment component\n\t\twsComponents.fragment = undefined;\n\n\t\treturn wsComponents;\n\t}\n};\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport http from \"./http\";\n\nconst handler:URISchemeHandler = {\n\tscheme : \"https\",\n\tdomainHost : http.domainHost,\n\tparse : http.parse,\n\tserialize : http.serialize\n}\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\n\nconst handler:URISchemeHandler = {\n\tscheme : \"http\",\n\n\tdomainHost : true,\n\n\tparse : function (components:URIComponents, options:URIOptions):URIComponents {\n\t\t//report missing host\n\t\tif (!components.host) {\n\t\t\tcomponents.error = components.error || \"HTTP URIs must have a host.\";\n\t\t}\n\n\t\treturn components;\n\t},\n\n\tserialize : function (components:URIComponents, options:URIOptions):URIComponents {\n\t\tconst secure = String(components.scheme).toLowerCase() === \"https\";\n\n\t\t//normalize the default port\n\t\tif (components.port === (secure ? 443 : 80) || components.port === \"\") {\n\t\t\tcomponents.port = undefined;\n\t\t}\n\t\t\n\t\t//normalize the empty path\n\t\tif (!components.path) {\n\t\t\tcomponents.path = \"/\";\n\t\t}\n\n\t\t//NOTE: We do not parse query strings for HTTP URIs\n\t\t//as WWW Form Url Encoded query strings are part of the HTML4+ spec,\n\t\t//and not the HTTP spec.\n\n\t\treturn components;\n\t}\n};\n\nexport default handler;","/**\n * URI.js\n *\n * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript.\n * @author <a href=\"mailto:gary.court@gmail.com\">Gary Court</a>\n * @see http://github.com/garycourt/uri-js\n */\n\n/**\n * Copyright 2011 Gary Court. All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification, are\n * permitted provided that the following conditions are met:\n *\n *    1. Redistributions of source code must retain the above copyright notice, this list of\n *       conditions and the following disclaimer.\n *\n *    2. Redistributions in binary form must reproduce the above copyright notice, this list\n *       of conditions and the following disclaimer in the documentation and/or other materials\n *       provided with the distribution.\n *\n * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED\n * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND\n * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR\n * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR\n * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\n * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING\n * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF\n * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n *\n * The views and conclusions contained in the software and documentation are those of the\n * authors and should not be interpreted as representing official policies, either expressed\n * or implied, of Gary Court.\n */\n\nimport URI_PROTOCOL from \"./regexps-uri\";\nimport IRI_PROTOCOL from \"./regexps-iri\";\nimport punycode from \"punycode\";\nimport { toUpperCase, typeOf, assign } from \"./util\";\n\nexport interface URIComponents {\n\tscheme?:string;\n\tuserinfo?:string;\n\thost?:string;\n\tport?:number|string;\n\tpath?:string;\n\tquery?:string;\n\tfragment?:string;\n\treference?:string;\n\terror?:string;\n}\n\nexport interface URIOptions {\n\tscheme?:string;\n\treference?:string;\n\ttolerant?:boolean;\n\tabsolutePath?:boolean;\n\tiri?:boolean;\n\tunicodeSupport?:boolean;\n\tdomainHost?:boolean;\n}\n\nexport interface URISchemeHandler<Components extends URIComponents = URIComponents, Options extends URIOptions = URIOptions, ParentComponents extends URIComponents = URIComponents> {\n\tscheme:string;\n\tparse(components:ParentComponents, options:Options):Components;\n\tserialize(components:Components, options:Options):ParentComponents;\n\tunicodeSupport?:boolean;\n\tdomainHost?:boolean;\n\tabsolutePath?:boolean;\n}\n\nexport interface URIRegExps {\n\tNOT_SCHEME : RegExp,\n\tNOT_USERINFO : RegExp,\n\tNOT_HOST : RegExp,\n\tNOT_PATH : RegExp,\n\tNOT_PATH_NOSCHEME : RegExp,\n\tNOT_QUERY : RegExp,\n\tNOT_FRAGMENT : RegExp,\n\tESCAPE : RegExp,\n\tUNRESERVED : RegExp,\n\tOTHER_CHARS : RegExp,\n\tPCT_ENCODED : RegExp,\n\tIPV4ADDRESS : RegExp,\n\tIPV6ADDRESS : RegExp,\n}\n\nexport const SCHEMES:{[scheme:string]:URISchemeHandler} = {};\n\nexport function pctEncChar(chr:string):string {\n\tconst c = chr.charCodeAt(0);\n\tlet e:string;\n\n\tif (c < 16) e = \"%0\" + c.toString(16).toUpperCase();\n\telse if (c < 128) e = \"%\" + c.toString(16).toUpperCase();\n\telse if (c < 2048) e = \"%\" + ((c >> 6) | 192).toString(16).toUpperCase() + \"%\" + ((c & 63) | 128).toString(16).toUpperCase();\n\telse e = \"%\" + ((c >> 12) | 224).toString(16).toUpperCase() + \"%\" + (((c >> 6) & 63) | 128).toString(16).toUpperCase() + \"%\" + ((c & 63) | 128).toString(16).toUpperCase();\n\n\treturn e;\n}\n\nexport function pctDecChars(str:string):string {\n\tlet newStr = \"\";\n\tlet i = 0;\n\tconst il = str.length;\n\n\twhile (i < il) {\n\t\tconst c = parseInt(str.substr(i + 1, 2), 16);\n\n\t\tif (c < 128) {\n\t\t\tnewStr += String.fromCharCode(c);\n\t\t\ti += 3;\n\t\t}\n\t\telse if (c >= 194 && c < 224) {\n\t\t\tif ((il - i) >= 6) {\n\t\t\t\tconst c2 = parseInt(str.substr(i + 4, 2), 16);\n\t\t\t\tnewStr += String.fromCharCode(((c & 31) << 6) | (c2 & 63));\n\t\t\t} else {\n\t\t\t\tnewStr += str.substr(i, 6);\n\t\t\t}\n\t\t\ti += 6;\n\t\t}\n\t\telse if (c >= 224) {\n\t\t\tif ((il - i) >= 9) {\n\t\t\t\tconst c2 = parseInt(str.substr(i + 4, 2), 16);\n\t\t\t\tconst c3 = parseInt(str.substr(i + 7, 2), 16);\n\t\t\t\tnewStr += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));\n\t\t\t} else {\n\t\t\t\tnewStr += str.substr(i, 9);\n\t\t\t}\n\t\t\ti += 9;\n\t\t}\n\t\telse {\n\t\t\tnewStr += str.substr(i, 3);\n\t\t\ti += 3;\n\t\t}\n\t}\n\n\treturn newStr;\n}\n\nfunction _normalizeComponentEncoding(components:URIComponents, protocol:URIRegExps) {\n\tfunction decodeUnreserved(str:string):string {\n\t\tconst decStr = pctDecChars(str);\n\t\treturn (!decStr.match(protocol.UNRESERVED) ? str : decStr);\n\t}\n\n\tif (components.scheme) components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, \"\");\n\tif (components.userinfo !== undefined) components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.host !== undefined) components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.path !== undefined) components.path = String(components.path).replace(protocol.PCT_ENCODED, decodeUnreserved).replace((components.scheme ? protocol.NOT_PATH : protocol.NOT_PATH_NOSCHEME), pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.query !== undefined) components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.fragment !== undefined) components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\n\treturn components;\n};\n\nfunction _stripLeadingZeros(str:string):string {\n\treturn str.replace(/^0*(.*)/, \"$1\") || \"0\";\n}\n\nfunction _normalizeIPv4(host:string, protocol:URIRegExps):string {\n\tconst matches = host.match(protocol.IPV4ADDRESS) || [];\n\tconst [, address] = matches;\n\t\n\tif (address) {\n\t\treturn address.split(\".\").map(_stripLeadingZeros).join(\".\");\n\t} else {\n\t\treturn host;\n\t}\n}\n\nfunction _normalizeIPv6(host:string, protocol:URIRegExps):string {\n\tconst matches = host.match(protocol.IPV6ADDRESS) || [];\n\tconst [, address, zone] = matches;\n\n\tif (address) {\n\t\tconst [last, first] = address.toLowerCase().split('::').reverse();\n\t\tconst firstFields = first ? first.split(\":\").map(_stripLeadingZeros) : [];\n\t\tconst lastFields = last.split(\":\").map(_stripLeadingZeros);\n\t\tconst isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]);\n\t\tconst fieldCount = isLastFieldIPv4Address ? 7 : 8;\n\t\tconst lastFieldsStart = lastFields.length - fieldCount;\n\t\tconst fields = Array<string>(fieldCount);\n\n\t\tfor (let x = 0; x < fieldCount; ++x) {\n\t\t\tfields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || '';\n\t\t}\n\n\t\tif (isLastFieldIPv4Address) {\n\t\t\tfields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol);\n\t\t}\n\n\t\tconst allZeroFields = fields.reduce<Array<{index:number,length:number}>>((acc, field, index) => {\n\t\t\tif (!field || field === \"0\") {\n\t\t\t\tconst lastLongest = acc[acc.length - 1];\n\t\t\t\tif (lastLongest && lastLongest.index + lastLongest.length === index) {\n\t\t\t\t\tlastLongest.length++;\n\t\t\t\t} else {\n\t\t\t\t\tacc.push({ index, length : 1 });\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn acc;\n\t\t}, []);\n\n\t\tconst longestZeroFields = allZeroFields.sort((a, b) => b.length - a.length)[0];\n\n\t\tlet newHost:string;\n\t\tif (longestZeroFields && longestZeroFields.length > 1) {\n\t\t\tconst newFirst = fields.slice(0, longestZeroFields.index) ;\n\t\t\tconst newLast = fields.slice(longestZeroFields.index + longestZeroFields.length);\n\t\t\tnewHost = newFirst.join(\":\") + \"::\" + newLast.join(\":\");\n\t\t} else {\n\t\t\tnewHost = fields.join(\":\");\n\t\t}\n\n\t\tif (zone) {\n\t\t\tnewHost += \"%\" + zone;\n\t\t}\n\n\t\treturn newHost;\n\t} else {\n\t\treturn host;\n\t}\n}\n\nconst URI_PARSE = /^(?:([^:\\/?#]+):)?(?:\\/\\/((?:([^\\/?#@]*)@)?(\\[[^\\/?#\\]]+\\]|[^\\/?#:]*)(?:\\:(\\d*))?))?([^?#]*)(?:\\?([^#]*))?(?:#((?:.|\\n|\\r)*))?/i;\nconst NO_MATCH_IS_UNDEFINED = (<RegExpMatchArray>(\"\").match(/(){0}/))[1] === undefined;\n\nexport function parse(uriString:string, options:URIOptions = {}):URIComponents {\n\tconst components:URIComponents = {};\n\tconst protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);\n\n\tif (options.reference === \"suffix\") uriString = (options.scheme ? options.scheme + \":\" : \"\") + \"//\" + uriString;\n\n\tconst matches = uriString.match(URI_PARSE);\n\n\tif (matches) {\n\t\tif (NO_MATCH_IS_UNDEFINED) {\n\t\t\t//store each component\n\t\t\tcomponents.scheme = matches[1];\n\t\t\tcomponents.userinfo = matches[3];\n\t\t\tcomponents.host = matches[4];\n\t\t\tcomponents.port = parseInt(matches[5], 10);\n\t\t\tcomponents.path = matches[6] || \"\";\n\t\t\tcomponents.query = matches[7];\n\t\t\tcomponents.fragment = matches[8];\n\n\t\t\t//fix port number\n\t\t\tif (isNaN(components.port)) {\n\t\t\t\tcomponents.port = matches[5];\n\t\t\t}\n\t\t} else {  //IE FIX for improper RegExp matching\n\t\t\t//store each component\n\t\t\tcomponents.scheme = matches[1] || undefined;\n\t\t\tcomponents.userinfo = (uriString.indexOf(\"@\") !== -1 ? matches[3] : undefined);\n\t\t\tcomponents.host = (uriString.indexOf(\"//\") !== -1 ? matches[4] : undefined);\n\t\t\tcomponents.port = parseInt(matches[5], 10);\n\t\t\tcomponents.path = matches[6] || \"\";\n\t\t\tcomponents.query = (uriString.indexOf(\"?\") !== -1 ? matches[7] : undefined);\n\t\t\tcomponents.fragment = (uriString.indexOf(\"#\") !== -1 ? matches[8] : undefined);\n\n\t\t\t//fix port number\n\t\t\tif (isNaN(components.port)) {\n\t\t\t\tcomponents.port = (uriString.match(/\\/\\/(?:.|\\n)*\\:(?:\\/|\\?|\\#|$)/) ? matches[4] : undefined);\n\t\t\t}\n\t\t}\n\n\t\tif (components.host) {\n\t\t\t//normalize IP hosts\n\t\t\tcomponents.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol);\n\t\t}\n\n\t\t//determine reference type\n\t\tif (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) {\n\t\t\tcomponents.reference = \"same-document\";\n\t\t} else if (components.scheme === undefined) {\n\t\t\tcomponents.reference = \"relative\";\n\t\t} else if (components.fragment === undefined) {\n\t\t\tcomponents.reference = \"absolute\";\n\t\t} else {\n\t\t\tcomponents.reference = \"uri\";\n\t\t}\n\n\t\t//check for reference errors\n\t\tif (options.reference && options.reference !== \"suffix\" && options.reference !== components.reference) {\n\t\t\tcomponents.error = components.error || \"URI is not a \" + options.reference + \" reference.\";\n\t\t}\n\n\t\t//find scheme handler\n\t\tconst schemeHandler = SCHEMES[(options.scheme || components.scheme || \"\").toLowerCase()];\n\n\t\t//check if scheme can't handle IRIs\n\t\tif (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) {\n\t\t\t//if host component is a domain name\n\t\t\tif (components.host && (options.domainHost || (schemeHandler && schemeHandler.domainHost))) {\n\t\t\t\t//convert Unicode IDN -> ASCII IDN\n\t\t\t\ttry {\n\t\t\t\t\tcomponents.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase());\n\t\t\t\t} catch (e) {\n\t\t\t\t\tcomponents.error = components.error || \"Host's domain name can not be converted to ASCII via punycode: \" + e;\n\t\t\t\t}\n\t\t\t}\n\t\t\t//convert IRI -> URI\n\t\t\t_normalizeComponentEncoding(components, URI_PROTOCOL);\n\t\t} else {\n\t\t\t//normalize encodings\n\t\t\t_normalizeComponentEncoding(components, protocol);\n\t\t}\n\n\t\t//perform scheme specific parsing\n\t\tif (schemeHandler && schemeHandler.parse) {\n\t\t\tschemeHandler.parse(components, options);\n\t\t}\n\t} else {\n\t\tcomponents.error = components.error || \"URI can not be parsed.\";\n\t}\n\n\treturn components;\n};\n\nfunction _recomposeAuthority(components:URIComponents, options:URIOptions):string|undefined {\n\tconst protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);\n\tconst uriTokens:Array<string> = [];\n\n\tif (components.userinfo !== undefined) {\n\t\turiTokens.push(components.userinfo);\n\t\turiTokens.push(\"@\");\n\t}\n\n\tif (components.host !== undefined) {\n\t\t//normalize IP hosts, add brackets and escape zone separator for IPv6\n\t\turiTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, (_, $1, $2) => \"[\" + $1 + ($2 ? \"%25\" + $2 : \"\") + \"]\"));\n\t}\n\n\tif (typeof components.port === \"number\" || typeof components.port === \"string\") {\n\t\turiTokens.push(\":\");\n\t\turiTokens.push(String(components.port));\n\t}\n\n\treturn uriTokens.length ? uriTokens.join(\"\") : undefined;\n};\n\nconst RDS1 = /^\\.\\.?\\//;\nconst RDS2 = /^\\/\\.(\\/|$)/;\nconst RDS3 = /^\\/\\.\\.(\\/|$)/;\nconst RDS4 = /^\\.\\.?$/;\nconst RDS5 = /^\\/?(?:.|\\n)*?(?=\\/|$)/;\n\nexport function removeDotSegments(input:string):string {\n\tconst output:Array<string> = [];\n\n\twhile (input.length) {\n\t\tif (input.match(RDS1)) {\n\t\t\tinput = input.replace(RDS1, \"\");\n\t\t} else if (input.match(RDS2)) {\n\t\t\tinput = input.replace(RDS2, \"/\");\n\t\t} else if (input.match(RDS3)) {\n\t\t\tinput = input.replace(RDS3, \"/\");\n\t\t\toutput.pop();\n\t\t} else if (input === \".\" || input === \"..\") {\n\t\t\tinput = \"\";\n\t\t} else {\n\t\t\tconst im = input.match(RDS5);\n\t\t\tif (im) {\n\t\t\t\tconst s = im[0];\n\t\t\t\tinput = input.slice(s.length);\n\t\t\t\toutput.push(s);\n\t\t\t} else {\n\t\t\t\tthrow new Error(\"Unexpected dot segment condition\");\n\t\t\t}\n\t\t}\n\t}\n\n\treturn output.join(\"\");\n};\n\nexport function serialize(components:URIComponents, options:URIOptions = {}):string {\n\tconst protocol = (options.iri ? IRI_PROTOCOL : URI_PROTOCOL);\n\tconst uriTokens:Array<string> = [];\n\n\t//find scheme handler\n\tconst schemeHandler = SCHEMES[(options.scheme || components.scheme || \"\").toLowerCase()];\n\n\t//perform scheme specific serialization\n\tif (schemeHandler && schemeHandler.serialize) schemeHandler.serialize(components, options);\n\n\tif (components.host) {\n\t\t//if host component is an IPv6 address\n\t\tif (protocol.IPV6ADDRESS.test(components.host)) {\n\t\t\t//TODO: normalize IPv6 address as per RFC 5952\n\t\t}\n\n\t\t//if host component is a domain name\n\t\telse if (options.domainHost || (schemeHandler && schemeHandler.domainHost)) {\n\t\t\t//convert IDN via punycode\n\t\t\ttry {\n\t\t\t\tcomponents.host = (!options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host));\n\t\t\t} catch (e) {\n\t\t\t\tcomponents.error = components.error || \"Host's domain name can not be converted to \" + (!options.iri ? \"ASCII\" : \"Unicode\") + \" via punycode: \" + e;\n\t\t\t}\n\t\t}\n\t}\n\n\t//normalize encoding\n\t_normalizeComponentEncoding(components, protocol);\n\n\tif (options.reference !== \"suffix\" && components.scheme) {\n\t\turiTokens.push(components.scheme);\n\t\turiTokens.push(\":\");\n\t}\n\n\tconst authority = _recomposeAuthority(components, options);\n\tif (authority !== undefined) {\n\t\tif (options.reference !== \"suffix\") {\n\t\t\turiTokens.push(\"//\");\n\t\t}\n\n\t\turiTokens.push(authority);\n\n\t\tif (components.path && components.path.charAt(0) !== \"/\") {\n\t\t\turiTokens.push(\"/\");\n\t\t}\n\t}\n\n\tif (components.path !== undefined) {\n\t\tlet s = components.path;\n\n\t\tif (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) {\n\t\t\ts = removeDotSegments(s);\n\t\t}\n\n\t\tif (authority === undefined) {\n\t\t\ts = s.replace(/^\\/\\//, \"/%2F\");  //don't allow the path to start with \"//\"\n\t\t}\n\n\t\turiTokens.push(s);\n\t}\n\n\tif (components.query !== undefined) {\n\t\turiTokens.push(\"?\");\n\t\turiTokens.push(components.query);\n\t}\n\n\tif (components.fragment !== undefined) {\n\t\turiTokens.push(\"#\");\n\t\turiTokens.push(components.fragment);\n\t}\n\n\treturn uriTokens.join(\"\");  //merge tokens into a string\n};\n\nexport function resolveComponents(base:URIComponents, relative:URIComponents, options:URIOptions = {}, skipNormalization?:boolean):URIComponents {\n\tconst target:URIComponents = {};\n\n\tif (!skipNormalization) {\n\t\tbase = parse(serialize(base, options), options);  //normalize base components\n\t\trelative = parse(serialize(relative, options), options);  //normalize relative components\n\t}\n\toptions = options || {};\n\n\tif (!options.tolerant && relative.scheme) {\n\t\ttarget.scheme = relative.scheme;\n\t\t//target.authority = relative.authority;\n\t\ttarget.userinfo = relative.userinfo;\n\t\ttarget.host = relative.host;\n\t\ttarget.port = relative.port;\n\t\ttarget.path = removeDotSegments(relative.path || \"\");\n\t\ttarget.query = relative.query;\n\t} else {\n\t\tif (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) {\n\t\t\t//target.authority = relative.authority;\n\t\t\ttarget.userinfo = relative.userinfo;\n\t\t\ttarget.host = relative.host;\n\t\t\ttarget.port = relative.port;\n\t\t\ttarget.path = removeDotSegments(relative.path || \"\");\n\t\t\ttarget.query = relative.query;\n\t\t} else {\n\t\t\tif (!relative.path) {\n\t\t\t\ttarget.path = base.path;\n\t\t\t\tif (relative.query !== undefined) {\n\t\t\t\t\ttarget.query = relative.query;\n\t\t\t\t} else {\n\t\t\t\t\ttarget.query = base.query;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tif (relative.path.charAt(0) === \"/\") {\n\t\t\t\t\ttarget.path = removeDotSegments(relative.path);\n\t\t\t\t} else {\n\t\t\t\t\tif ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) {\n\t\t\t\t\t\ttarget.path = \"/\" + relative.path;\n\t\t\t\t\t} else if (!base.path) {\n\t\t\t\t\t\ttarget.path = relative.path;\n\t\t\t\t\t} else {\n\t\t\t\t\t\ttarget.path = base.path.slice(0, base.path.lastIndexOf(\"/\") + 1) + relative.path;\n\t\t\t\t\t}\n\t\t\t\t\ttarget.path = removeDotSegments(target.path);\n\t\t\t\t}\n\t\t\t\ttarget.query = relative.query;\n\t\t\t}\n\t\t\t//target.authority = base.authority;\n\t\t\ttarget.userinfo = base.userinfo;\n\t\t\ttarget.host = base.host;\n\t\t\ttarget.port = base.port;\n\t\t}\n\t\ttarget.scheme = base.scheme;\n\t}\n\n\ttarget.fragment = relative.fragment;\n\n\treturn target;\n};\n\nexport function resolve(baseURI:string, relativeURI:string, options?:URIOptions):string {\n\tconst schemelessOptions = assign({ scheme : 'null' }, options);\n\treturn serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions);\n};\n\nexport function normalize(uri:string, options?:URIOptions):string;\nexport function normalize(uri:URIComponents, options?:URIOptions):URIComponents;\nexport function normalize(uri:any, options?:URIOptions):any {\n\tif (typeof uri === \"string\") {\n\t\turi = serialize(parse(uri, options), options);\n\t} else if (typeOf(uri) === \"object\") {\n\t\turi = parse(serialize(<URIComponents>uri, options), options);\n\t}\n\n\treturn uri;\n};\n\nexport function equal(uriA:string, uriB:string, options?: URIOptions):boolean;\nexport function equal(uriA:URIComponents, uriB:URIComponents, options?:URIOptions):boolean;\nexport function equal(uriA:any, uriB:any, options?:URIOptions):boolean {\n\tif (typeof uriA === \"string\") {\n\t\turiA = serialize(parse(uriA, options), options);\n\t} else if (typeOf(uriA) === \"object\") {\n\t\turiA = serialize(<URIComponents>uriA, options);\n\t}\n\n\tif (typeof uriB === \"string\") {\n\t\turiB = serialize(parse(uriB, options), options);\n\t} else if (typeOf(uriB) === \"object\") {\n\t\turiB = serialize(<URIComponents>uriB, options);\n\t}\n\n\treturn uriA === uriB;\n};\n\nexport function escapeComponent(str:string, options?:URIOptions):string {\n\treturn str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE), pctEncChar);\n};\n\nexport function unescapeComponent(str:string, options?:URIOptions):string {\n\treturn str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED), pctDecChars);\n};\n","'use strict';\n\n/** Highest positive signed 32-bit float value */\nconst maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1\n\n/** Bootstring parameters */\nconst base = 36;\nconst tMin = 1;\nconst tMax = 26;\nconst skew = 38;\nconst damp = 700;\nconst initialBias = 72;\nconst initialN = 128; // 0x80\nconst delimiter = '-'; // '\\x2D'\n\n/** Regular expressions */\nconst regexPunycode = /^xn--/;\nconst regexNonASCII = /[^\\0-\\x7E]/; // non-ASCII chars\nconst regexSeparators = /[\\x2E\\u3002\\uFF0E\\uFF61]/g; // RFC 3490 separators\n\n/** Error messages */\nconst errors = {\n\t'overflow': 'Overflow: input needs wider integers to process',\n\t'not-basic': 'Illegal input >= 0x80 (not a basic code point)',\n\t'invalid-input': 'Invalid input'\n};\n\n/** Convenience shortcuts */\nconst baseMinusTMin = base - tMin;\nconst floor = Math.floor;\nconst stringFromCharCode = String.fromCharCode;\n\n/*--------------------------------------------------------------------------*/\n\n/**\n * A generic error utility function.\n * @private\n * @param {String} type The error type.\n * @returns {Error} Throws a `RangeError` with the applicable error message.\n */\nfunction error(type) {\n\tthrow new RangeError(errors[type]);\n}\n\n/**\n * A generic `Array#map` utility function.\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} callback The function that gets called for every array\n * item.\n * @returns {Array} A new array of values returned by the callback function.\n */\nfunction map(array, fn) {\n\tconst result = [];\n\tlet length = array.length;\n\twhile (length--) {\n\t\tresult[length] = fn(array[length]);\n\t}\n\treturn result;\n}\n\n/**\n * A simple `Array#map`-like wrapper to work with domain name strings or email\n * addresses.\n * @private\n * @param {String} domain The domain name or email address.\n * @param {Function} callback The function that gets called for every\n * character.\n * @returns {Array} A new string of characters returned by the callback\n * function.\n */\nfunction mapDomain(string, fn) {\n\tconst parts = string.split('@');\n\tlet result = '';\n\tif (parts.length > 1) {\n\t\t// In email addresses, only the domain name should be punycoded. Leave\n\t\t// the local part (i.e. everything up to `@`) intact.\n\t\tresult = parts[0] + '@';\n\t\tstring = parts[1];\n\t}\n\t// Avoid `split(regex)` for IE8 compatibility. See #17.\n\tstring = string.replace(regexSeparators, '\\x2E');\n\tconst labels = string.split('.');\n\tconst encoded = map(labels, fn).join('.');\n\treturn result + encoded;\n}\n\n/**\n * Creates an array containing the numeric code points of each Unicode\n * character in the string. While JavaScript uses UCS-2 internally,\n * this function will convert a pair of surrogate halves (each of which\n * UCS-2 exposes as separate characters) into a single code point,\n * matching UTF-16.\n * @see `punycode.ucs2.encode`\n * @see <https://mathiasbynens.be/notes/javascript-encoding>\n * @memberOf punycode.ucs2\n * @name decode\n * @param {String} string The Unicode input string (UCS-2).\n * @returns {Array} The new array of code points.\n */\nfunction ucs2decode(string) {\n\tconst output = [];\n\tlet counter = 0;\n\tconst length = string.length;\n\twhile (counter < length) {\n\t\tconst value = string.charCodeAt(counter++);\n\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t// It's a high surrogate, and there is a next character.\n\t\t\tconst extra = string.charCodeAt(counter++);\n\t\t\tif ((extra & 0xFC00) == 0xDC00) { // Low surrogate.\n\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t} else {\n\t\t\t\t// It's an unmatched surrogate; only append this code unit, in case the\n\t\t\t\t// next code unit is the high surrogate of a surrogate pair.\n\t\t\t\toutput.push(value);\n\t\t\t\tcounter--;\n\t\t\t}\n\t\t} else {\n\t\t\toutput.push(value);\n\t\t}\n\t}\n\treturn output;\n}\n\n/**\n * Creates a string based on an array of numeric code points.\n * @see `punycode.ucs2.decode`\n * @memberOf punycode.ucs2\n * @name encode\n * @param {Array} codePoints The array of numeric code points.\n * @returns {String} The new Unicode string (UCS-2).\n */\nconst ucs2encode = array => String.fromCodePoint(...array);\n\n/**\n * Converts a basic code point into a digit/integer.\n * @see `digitToBasic()`\n * @private\n * @param {Number} codePoint The basic numeric code point value.\n * @returns {Number} The numeric value of a basic code point (for use in\n * representing integers) in the range `0` to `base - 1`, or `base` if\n * the code point does not represent a value.\n */\nconst basicToDigit = function(codePoint) {\n\tif (codePoint - 0x30 < 0x0A) {\n\t\treturn codePoint - 0x16;\n\t}\n\tif (codePoint - 0x41 < 0x1A) {\n\t\treturn codePoint - 0x41;\n\t}\n\tif (codePoint - 0x61 < 0x1A) {\n\t\treturn codePoint - 0x61;\n\t}\n\treturn base;\n};\n\n/**\n * Converts a digit/integer into a basic code point.\n * @see `basicToDigit()`\n * @private\n * @param {Number} digit The numeric value of a basic code point.\n * @returns {Number} The basic code point whose value (when used for\n * representing integers) is `digit`, which needs to be in the range\n * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is\n * used; else, the lowercase form is used. The behavior is undefined\n * if `flag` is non-zero and `digit` has no uppercase form.\n */\nconst digitToBasic = function(digit, flag) {\n\t//  0..25 map to ASCII a..z or A..Z\n\t// 26..35 map to ASCII 0..9\n\treturn digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);\n};\n\n/**\n * Bias adaptation function as per section 3.4 of RFC 3492.\n * https://tools.ietf.org/html/rfc3492#section-3.4\n * @private\n */\nconst adapt = function(delta, numPoints, firstTime) {\n\tlet k = 0;\n\tdelta = firstTime ? floor(delta / damp) : delta >> 1;\n\tdelta += floor(delta / numPoints);\n\tfor (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {\n\t\tdelta = floor(delta / baseMinusTMin);\n\t}\n\treturn floor(k + (baseMinusTMin + 1) * delta / (delta + skew));\n};\n\n/**\n * Converts a Punycode string of ASCII-only symbols to a string of Unicode\n * symbols.\n * @memberOf punycode\n * @param {String} input The Punycode string of ASCII-only symbols.\n * @returns {String} The resulting string of Unicode symbols.\n */\nconst decode = function(input) {\n\t// Don't use UCS-2.\n\tconst output = [];\n\tconst inputLength = input.length;\n\tlet i = 0;\n\tlet n = initialN;\n\tlet bias = initialBias;\n\n\t// Handle the basic code points: let `basic` be the number of input code\n\t// points before the last delimiter, or `0` if there is none, then copy\n\t// the first basic code points to the output.\n\n\tlet basic = input.lastIndexOf(delimiter);\n\tif (basic < 0) {\n\t\tbasic = 0;\n\t}\n\n\tfor (let j = 0; j < basic; ++j) {\n\t\t// if it's not a basic code point\n\t\tif (input.charCodeAt(j) >= 0x80) {\n\t\t\terror('not-basic');\n\t\t}\n\t\toutput.push(input.charCodeAt(j));\n\t}\n\n\t// Main decoding loop: start just after the last delimiter if any basic code\n\t// points were copied; start at the beginning otherwise.\n\n\tfor (let index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {\n\n\t\t// `index` is the index of the next character to be consumed.\n\t\t// Decode a generalized variable-length integer into `delta`,\n\t\t// which gets added to `i`. The overflow checking is easier\n\t\t// if we increase `i` as we go, then subtract off its starting\n\t\t// value at the end to obtain `delta`.\n\t\tlet oldi = i;\n\t\tfor (let w = 1, k = base; /* no condition */; k += base) {\n\n\t\t\tif (index >= inputLength) {\n\t\t\t\terror('invalid-input');\n\t\t\t}\n\n\t\t\tconst digit = basicToDigit(input.charCodeAt(index++));\n\n\t\t\tif (digit >= base || digit > floor((maxInt - i) / w)) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\ti += digit * w;\n\t\t\tconst t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\n\t\t\tif (digit < t) {\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tconst baseMinusT = base - t;\n\t\t\tif (w > floor(maxInt / baseMinusT)) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\tw *= baseMinusT;\n\n\t\t}\n\n\t\tconst out = output.length + 1;\n\t\tbias = adapt(i - oldi, out, oldi == 0);\n\n\t\t// `i` was supposed to wrap around from `out` to `0`,\n\t\t// incrementing `n` each time, so we'll fix that now:\n\t\tif (floor(i / out) > maxInt - n) {\n\t\t\terror('overflow');\n\t\t}\n\n\t\tn += floor(i / out);\n\t\ti %= out;\n\n\t\t// Insert `n` at position `i` of the output.\n\t\toutput.splice(i++, 0, n);\n\n\t}\n\n\treturn String.fromCodePoint(...output);\n};\n\n/**\n * Converts a string of Unicode symbols (e.g. a domain name label) to a\n * Punycode string of ASCII-only symbols.\n * @memberOf punycode\n * @param {String} input The string of Unicode symbols.\n * @returns {String} The resulting Punycode string of ASCII-only symbols.\n */\nconst encode = function(input) {\n\tconst output = [];\n\n\t// Convert the input in UCS-2 to an array of Unicode code points.\n\tinput = ucs2decode(input);\n\n\t// Cache the length.\n\tlet inputLength = input.length;\n\n\t// Initialize the state.\n\tlet n = initialN;\n\tlet delta = 0;\n\tlet bias = initialBias;\n\n\t// Handle the basic code points.\n\tfor (const currentValue of input) {\n\t\tif (currentValue < 0x80) {\n\t\t\toutput.push(stringFromCharCode(currentValue));\n\t\t}\n\t}\n\n\tlet basicLength = output.length;\n\tlet handledCPCount = basicLength;\n\n\t// `handledCPCount` is the number of code points that have been handled;\n\t// `basicLength` is the number of basic code points.\n\n\t// Finish the basic string with a delimiter unless it's empty.\n\tif (basicLength) {\n\t\toutput.push(delimiter);\n\t}\n\n\t// Main encoding loop:\n\twhile (handledCPCount < inputLength) {\n\n\t\t// All non-basic code points < n have been handled already. Find the next\n\t\t// larger one:\n\t\tlet m = maxInt;\n\t\tfor (const currentValue of input) {\n\t\t\tif (currentValue >= n && currentValue < m) {\n\t\t\t\tm = currentValue;\n\t\t\t}\n\t\t}\n\n\t\t// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,\n\t\t// but guard against overflow.\n\t\tconst handledCPCountPlusOne = handledCPCount + 1;\n\t\tif (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {\n\t\t\terror('overflow');\n\t\t}\n\n\t\tdelta += (m - n) * handledCPCountPlusOne;\n\t\tn = m;\n\n\t\tfor (const currentValue of input) {\n\t\t\tif (currentValue < n && ++delta > maxInt) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\t\t\tif (currentValue == n) {\n\t\t\t\t// Represent delta as a generalized variable-length integer.\n\t\t\t\tlet q = delta;\n\t\t\t\tfor (let k = base; /* no condition */; k += base) {\n\t\t\t\t\tconst t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\t\t\t\t\tif (q < t) {\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t\tconst qMinusT = q - t;\n\t\t\t\t\tconst baseMinusT = base - t;\n\t\t\t\t\toutput.push(\n\t\t\t\t\t\tstringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))\n\t\t\t\t\t);\n\t\t\t\t\tq = floor(qMinusT / baseMinusT);\n\t\t\t\t}\n\n\t\t\t\toutput.push(stringFromCharCode(digitToBasic(q, 0)));\n\t\t\t\tbias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);\n\t\t\t\tdelta = 0;\n\t\t\t\t++handledCPCount;\n\t\t\t}\n\t\t}\n\n\t\t++delta;\n\t\t++n;\n\n\t}\n\treturn output.join('');\n};\n\n/**\n * Converts a Punycode string representing a domain name or an email address\n * to Unicode. Only the Punycoded parts of the input will be converted, i.e.\n * it doesn't matter if you call it on a string that has already been\n * converted to Unicode.\n * @memberOf punycode\n * @param {String} input The Punycoded domain name or email address to\n * convert to Unicode.\n * @returns {String} The Unicode representation of the given Punycode\n * string.\n */\nconst toUnicode = function(input) {\n\treturn mapDomain(input, function(string) {\n\t\treturn regexPunycode.test(string)\n\t\t\t? decode(string.slice(4).toLowerCase())\n\t\t\t: string;\n\t});\n};\n\n/**\n * Converts a Unicode string representing a domain name or an email address to\n * Punycode. Only the non-ASCII parts of the domain name will be converted,\n * i.e. it doesn't matter if you call it with a domain that's already in\n * ASCII.\n * @memberOf punycode\n * @param {String} input The domain name or email address to convert, as a\n * Unicode string.\n * @returns {String} The Punycode representation of the given domain name or\n * email address.\n */\nconst toASCII = function(input) {\n\treturn mapDomain(input, function(string) {\n\t\treturn regexNonASCII.test(string)\n\t\t\t? 'xn--' + encode(string)\n\t\t\t: string;\n\t});\n};\n\n/*--------------------------------------------------------------------------*/\n\n/** Define the public API */\nconst punycode = {\n\t/**\n\t * A string representing the current Punycode.js version number.\n\t * @memberOf punycode\n\t * @type String\n\t */\n\t'version': '2.1.0',\n\t/**\n\t * An object of methods to convert from JavaScript's internal character\n\t * representation (UCS-2) to Unicode code points, and back.\n\t * @see <https://mathiasbynens.be/notes/javascript-encoding>\n\t * @memberOf punycode\n\t * @type Object\n\t */\n\t'ucs2': {\n\t\t'decode': ucs2decode,\n\t\t'encode': ucs2encode\n\t},\n\t'decode': decode,\n\t'encode': encode,\n\t'toASCII': toASCII,\n\t'toUnicode': toUnicode\n};\n\nexport default punycode;\n","import { URIRegExps } from \"./uri\";\nimport { buildExps } from \"./regexps-uri\";\n\nexport default buildExps(true);\n","import { URIRegExps } from \"./uri\";\nimport { merge, subexp } from \"./util\";\n\nexport function buildExps(isIRI:boolean):URIRegExps {\n\tconst\n\t\tALPHA$$ = \"[A-Za-z]\",\n\t\tCR$ = \"[\\\\x0D]\",\n\t\tDIGIT$$ = \"[0-9]\",\n\t\tDQUOTE$$ = \"[\\\\x22]\",\n\t\tHEXDIG$$ = merge(DIGIT$$, \"[A-Fa-f]\"),  //case-insensitive\n\t\tLF$$ = \"[\\\\x0A]\",\n\t\tSP$$ = \"[\\\\x20]\",\n\t\tPCT_ENCODED$ = subexp(subexp(\"%[EFef]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%[89A-Fa-f]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%\" + HEXDIG$$ + HEXDIG$$)),  //expanded\n\t\tGEN_DELIMS$$ = \"[\\\\:\\\\/\\\\?\\\\#\\\\[\\\\]\\\\@]\",\n\t\tSUB_DELIMS$$ = \"[\\\\!\\\\$\\\\&\\\\'\\\\(\\\\)\\\\*\\\\+\\\\,\\\\;\\\\=]\",\n\t\tRESERVED$$ = merge(GEN_DELIMS$$, SUB_DELIMS$$),\n\t\tUCSCHAR$$ = isIRI ? \"[\\\\xA0-\\\\u200D\\\\u2010-\\\\u2029\\\\u202F-\\\\uD7FF\\\\uF900-\\\\uFDCF\\\\uFDF0-\\\\uFFEF]\" : \"[]\",  //subset, excludes bidi control characters\n\t\tIPRIVATE$$ = isIRI ? \"[\\\\uE000-\\\\uF8FF]\" : \"[]\",  //subset\n\t\tUNRESERVED$$ = merge(ALPHA$$, DIGIT$$, \"[\\\\-\\\\.\\\\_\\\\~]\", UCSCHAR$$),\n\t\tSCHEME$ = subexp(ALPHA$$ + merge(ALPHA$$, DIGIT$$, \"[\\\\+\\\\-\\\\.]\") + \"*\"),\n\t\tUSERINFO$ = subexp(subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:]\")) + \"*\"),\n\t\tDEC_OCTET$ = subexp(subexp(\"25[0-5]\") + \"|\" + subexp(\"2[0-4]\" + DIGIT$$) + \"|\" + subexp(\"1\" + DIGIT$$ + DIGIT$$) + \"|\" + subexp(\"[1-9]\" + DIGIT$$) + \"|\" + DIGIT$$),\n\t\tDEC_OCTET_RELAXED$ = subexp(subexp(\"25[0-5]\") + \"|\" + subexp(\"2[0-4]\" + DIGIT$$) + \"|\" + subexp(\"1\" + DIGIT$$ + DIGIT$$) + \"|\" + subexp(\"0?[1-9]\" + DIGIT$$) + \"|0?0?\" + DIGIT$$),  //relaxed parsing rules\n\t\tIPV4ADDRESS$ = subexp(DEC_OCTET_RELAXED$ + \"\\\\.\" + DEC_OCTET_RELAXED$ + \"\\\\.\" + DEC_OCTET_RELAXED$ + \"\\\\.\" + DEC_OCTET_RELAXED$),\n\t\tH16$ = subexp(HEXDIG$$ + \"{1,4}\"),\n\t\tLS32$ = subexp(subexp(H16$ + \"\\\\:\" + H16$) + \"|\" + IPV4ADDRESS$),\n\t\tIPV6ADDRESS1$ = subexp(                                                            subexp(H16$ + \"\\\\:\") + \"{6}\" + LS32$), //                           6( h16 \":\" ) ls32\n\t\tIPV6ADDRESS2$ = subexp(                                                 \"\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{5}\" + LS32$), //                      \"::\" 5( h16 \":\" ) ls32\n\t\tIPV6ADDRESS3$ = subexp(subexp(                                 H16$) + \"?\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{4}\" + LS32$), //[               h16 ] \"::\" 4( h16 \":\" ) ls32\n\t\tIPV6ADDRESS4$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,1}\" + H16$) + \"?\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{3}\" + LS32$), //[ *1( h16 \":\" ) h16 ] \"::\" 3( h16 \":\" ) ls32\n\t\tIPV6ADDRESS5$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,2}\" + H16$) + \"?\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{2}\" + LS32$), //[ *2( h16 \":\" ) h16 ] \"::\" 2( h16 \":\" ) ls32\n\t\tIPV6ADDRESS6$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,3}\" + H16$) + \"?\\\\:\\\\:\" +        H16$ + \"\\\\:\"          + LS32$), //[ *3( h16 \":\" ) h16 ] \"::\"    h16 \":\"   ls32\n\t\tIPV6ADDRESS7$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,4}\" + H16$) + \"?\\\\:\\\\:\"                                + LS32$), //[ *4( h16 \":\" ) h16 ] \"::\"              ls32\n\t\tIPV6ADDRESS8$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,5}\" + H16$) + \"?\\\\:\\\\:\"                                + H16$ ), //[ *5( h16 \":\" ) h16 ] \"::\"              h16\n\t\tIPV6ADDRESS9$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,6}\" + H16$) + \"?\\\\:\\\\:\"                                       ), //[ *6( h16 \":\" ) h16 ] \"::\"\n\t\tIPV6ADDRESS$ = subexp([IPV6ADDRESS1$, IPV6ADDRESS2$, IPV6ADDRESS3$, IPV6ADDRESS4$, IPV6ADDRESS5$, IPV6ADDRESS6$, IPV6ADDRESS7$, IPV6ADDRESS8$, IPV6ADDRESS9$].join(\"|\")),\n\t\tZONEID$ = subexp(subexp(UNRESERVED$$ + \"|\" + PCT_ENCODED$) + \"+\"),  //RFC 6874\n\t\tIPV6ADDRZ$ = subexp(IPV6ADDRESS$ + \"\\\\%25\" + ZONEID$),  //RFC 6874\n\t\tIPV6ADDRZ_RELAXED$ = subexp(IPV6ADDRESS$ + subexp(\"\\\\%25|\\\\%(?!\" + HEXDIG$$ + \"{2})\") + ZONEID$),  //RFC 6874, with relaxed parsing rules\n\t\tIPVFUTURE$ = subexp(\"[vV]\" + HEXDIG$$ + \"+\\\\.\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:]\") + \"+\"),\n\t\tIP_LITERAL$ = subexp(\"\\\\[\" + subexp(IPV6ADDRZ_RELAXED$ + \"|\" + IPV6ADDRESS$ + \"|\" + IPVFUTURE$) + \"\\\\]\"),  //RFC 6874\n\t\tREG_NAME$ = subexp(subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$)) + \"*\"),\n\t\tHOST$ = subexp(IP_LITERAL$ + \"|\" + IPV4ADDRESS$ + \"(?!\" + REG_NAME$ + \")\" + \"|\" + REG_NAME$),\n\t\tPORT$ = subexp(DIGIT$$ + \"*\"),\n\t\tAUTHORITY$ = subexp(subexp(USERINFO$ + \"@\") + \"?\" + HOST$ + subexp(\"\\\\:\" + PORT$) + \"?\"),\n\t\tPCHAR$ = subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:\\\\@]\")),\n\t\tSEGMENT$ = subexp(PCHAR$ + \"*\"),\n\t\tSEGMENT_NZ$ = subexp(PCHAR$ + \"+\"),\n\t\tSEGMENT_NZ_NC$ = subexp(subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\@]\")) + \"+\"),\n\t\tPATH_ABEMPTY$ = subexp(subexp(\"\\\\/\" + SEGMENT$) + \"*\"),\n\t\tPATH_ABSOLUTE$ = subexp(\"\\\\/\" + subexp(SEGMENT_NZ$ + PATH_ABEMPTY$) + \"?\"),  //simplified\n\t\tPATH_NOSCHEME$ = subexp(SEGMENT_NZ_NC$ + PATH_ABEMPTY$),  //simplified\n\t\tPATH_ROOTLESS$ = subexp(SEGMENT_NZ$ + PATH_ABEMPTY$),  //simplified\n\t\tPATH_EMPTY$ = \"(?!\" + PCHAR$ + \")\",\n\t\tPATH$ = subexp(PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_NOSCHEME$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$),\n\t\tQUERY$ = subexp(subexp(PCHAR$ + \"|\" + merge(\"[\\\\/\\\\?]\", IPRIVATE$$)) + \"*\"),\n\t\tFRAGMENT$ = subexp(subexp(PCHAR$ + \"|[\\\\/\\\\?]\") + \"*\"),\n\t\tHIER_PART$ = subexp(subexp(\"\\\\/\\\\/\" + AUTHORITY$ + PATH_ABEMPTY$) + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$),\n\t\tURI$ = subexp(SCHEME$ + \"\\\\:\" + HIER_PART$ + subexp(\"\\\\?\" + QUERY$) + \"?\" + subexp(\"\\\\#\" + FRAGMENT$) + \"?\"),\n\t\tRELATIVE_PART$ = subexp(subexp(\"\\\\/\\\\/\" + AUTHORITY$ + PATH_ABEMPTY$) + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_NOSCHEME$ + \"|\" + PATH_EMPTY$),\n\t\tRELATIVE$ = subexp(RELATIVE_PART$ + subexp(\"\\\\?\" + QUERY$) + \"?\" + subexp(\"\\\\#\" + FRAGMENT$) + \"?\"),\n\t\tURI_REFERENCE$ = subexp(URI$ + \"|\" + RELATIVE$),\n\t\tABSOLUTE_URI$ = subexp(SCHEME$ + \"\\\\:\" + HIER_PART$ + subexp(\"\\\\?\" + QUERY$) + \"?\"),\n\n\t\tGENERIC_REF$ = \"^(\" + SCHEME$ + \")\\\\:\" + subexp(subexp(\"\\\\/\\\\/(\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?)\") + \"?(\" + PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$ + \")\") + subexp(\"\\\\?(\" + QUERY$ + \")\") + \"?\" + subexp(\"\\\\#(\" + FRAGMENT$ + \")\") + \"?$\",\n\t\tRELATIVE_REF$ = \"^(){0}\" + subexp(subexp(\"\\\\/\\\\/(\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?)\") + \"?(\" + PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_NOSCHEME$ + \"|\" + PATH_EMPTY$ + \")\") + subexp(\"\\\\?(\" + QUERY$ + \")\") + \"?\" + subexp(\"\\\\#(\" + FRAGMENT$ + \")\") + \"?$\",\n\t\tABSOLUTE_REF$ = \"^(\" + SCHEME$ + \")\\\\:\" + subexp(subexp(\"\\\\/\\\\/(\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?)\") + \"?(\" + PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$ + \")\") + subexp(\"\\\\?(\" + QUERY$ + \")\") + \"?$\",\n\t\tSAMEDOC_REF$ = \"^\" + subexp(\"\\\\#(\" + FRAGMENT$ + \")\") + \"?$\",\n\t\tAUTHORITY_REF$ = \"^\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?$\"\n\t;\n\n\treturn {\n\t\tNOT_SCHEME : new RegExp(merge(\"[^]\", ALPHA$$, DIGIT$$, \"[\\\\+\\\\-\\\\.]\"), \"g\"),\n\t\tNOT_USERINFO : new RegExp(merge(\"[^\\\\%\\\\:]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_HOST : new RegExp(merge(\"[^\\\\%\\\\[\\\\]\\\\:]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_PATH : new RegExp(merge(\"[^\\\\%\\\\/\\\\:\\\\@]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_PATH_NOSCHEME : new RegExp(merge(\"[^\\\\%\\\\/\\\\@]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_QUERY : new RegExp(merge(\"[^\\\\%]\", UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:\\\\@\\\\/\\\\?]\", IPRIVATE$$), \"g\"),\n\t\tNOT_FRAGMENT : new RegExp(merge(\"[^\\\\%]\", UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:\\\\@\\\\/\\\\?]\"), \"g\"),\n\t\tESCAPE : new RegExp(merge(\"[^]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tUNRESERVED : new RegExp(UNRESERVED$$, \"g\"),\n\t\tOTHER_CHARS : new RegExp(merge(\"[^\\\\%]\", UNRESERVED$$, RESERVED$$), \"g\"),\n\t\tPCT_ENCODED : new RegExp(PCT_ENCODED$, \"g\"),\n\t\tIPV4ADDRESS : new RegExp(\"^(\" + IPV4ADDRESS$ + \")$\"),\n\t\tIPV6ADDRESS : new RegExp(\"^\\\\[?(\" + IPV6ADDRESS$ + \")\" + subexp(subexp(\"\\\\%25|\\\\%(?!\" + HEXDIG$$ + \"{2})\") + \"(\" + ZONEID$ + \")\") + \"?\\\\]?$\")  //RFC 6874, with relaxed parsing rules\n\t};\n}\n\nexport default buildExps(false);\n","export function merge(...sets:Array<string>):string {\n\tif (sets.length > 1) {\n\t\tsets[0] = sets[0].slice(0, -1);\n\t\tconst xl = sets.length - 1;\n\t\tfor (let x = 1; x < xl; ++x) {\n\t\t\tsets[x] = sets[x].slice(1, -1);\n\t\t}\n\t\tsets[xl] = sets[xl].slice(1);\n\t\treturn sets.join('');\n\t} else {\n\t\treturn sets[0];\n\t}\n}\n\nexport function subexp(str:string):string {\n\treturn \"(?:\" + str + \")\";\n}\n\nexport function typeOf(o:any):string {\n\treturn o === undefined ? \"undefined\" : (o === null ? \"null\" : Object.prototype.toString.call(o).split(\" \").pop().split(\"]\").shift().toLowerCase());\n}\n\nexport function toUpperCase(str:string):string {\n\treturn str.toUpperCase();\n}\n\nexport function toArray(obj:any):Array<any> {\n\treturn obj !== undefined && obj !== null ? (obj instanceof Array ? obj : (typeof obj.length !== \"number\" || obj.split || obj.setInterval || obj.call ? [obj] : Array.prototype.slice.call(obj))) : [];\n}\n\n\nexport function assign(target: object, source: any): any {\n\tconst obj = target as any;\n\tif (source) {\n\t\tfor (const key in source) {\n\t\t\tobj[key] = source[key];\n\t\t}\n\t}\n\treturn 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\ No newline at end of file
diff --git a/node_modules/uri-js/dist/es5/uri.all.min.d.ts b/node_modules/uri-js/dist/es5/uri.all.min.d.ts
new file mode 100644
index 000000000..da51e2352
--- /dev/null
+++ b/node_modules/uri-js/dist/es5/uri.all.min.d.ts
@@ -0,0 +1,59 @@
+export interface URIComponents {
+    scheme?: string;
+    userinfo?: string;
+    host?: string;
+    port?: number | string;
+    path?: string;
+    query?: string;
+    fragment?: string;
+    reference?: string;
+    error?: string;
+}
+export interface URIOptions {
+    scheme?: string;
+    reference?: string;
+    tolerant?: boolean;
+    absolutePath?: boolean;
+    iri?: boolean;
+    unicodeSupport?: boolean;
+    domainHost?: boolean;
+}
+export interface URISchemeHandler<Components extends URIComponents = URIComponents, Options extends URIOptions = URIOptions, ParentComponents extends URIComponents = URIComponents> {
+    scheme: string;
+    parse(components: ParentComponents, options: Options): Components;
+    serialize(components: Components, options: Options): ParentComponents;
+    unicodeSupport?: boolean;
+    domainHost?: boolean;
+    absolutePath?: boolean;
+}
+export interface URIRegExps {
+    NOT_SCHEME: RegExp;
+    NOT_USERINFO: RegExp;
+    NOT_HOST: RegExp;
+    NOT_PATH: RegExp;
+    NOT_PATH_NOSCHEME: RegExp;
+    NOT_QUERY: RegExp;
+    NOT_FRAGMENT: RegExp;
+    ESCAPE: RegExp;
+    UNRESERVED: RegExp;
+    OTHER_CHARS: RegExp;
+    PCT_ENCODED: RegExp;
+    IPV4ADDRESS: RegExp;
+    IPV6ADDRESS: RegExp;
+}
+export declare const SCHEMES: {
+    [scheme: string]: URISchemeHandler;
+};
+export declare function pctEncChar(chr: string): string;
+export declare function pctDecChars(str: string): string;
+export declare function parse(uriString: string, options?: URIOptions): URIComponents;
+export declare function removeDotSegments(input: string): string;
+export declare function serialize(components: URIComponents, options?: URIOptions): string;
+export declare function resolveComponents(base: URIComponents, relative: URIComponents, options?: URIOptions, skipNormalization?: boolean): URIComponents;
+export declare function resolve(baseURI: string, relativeURI: string, options?: URIOptions): string;
+export declare function normalize(uri: string, options?: URIOptions): string;
+export declare function normalize(uri: URIComponents, options?: URIOptions): URIComponents;
+export declare function equal(uriA: string, uriB: string, options?: URIOptions): boolean;
+export declare function equal(uriA: URIComponents, uriB: URIComponents, options?: URIOptions): boolean;
+export declare function escapeComponent(str: string, options?: URIOptions): string;
+export declare function unescapeComponent(str: string, options?: URIOptions): string;
diff --git a/node_modules/uri-js/dist/es5/uri.all.min.js b/node_modules/uri-js/dist/es5/uri.all.min.js
new file mode 100644
index 000000000..fcd845862
--- /dev/null
+++ b/node_modules/uri-js/dist/es5/uri.all.min.js
@@ -0,0 +1,3 @@
+/** @license URI.js v4.4.1 (c) 2011 Gary Court. License: http://github.com/garycourt/uri-js */
+!function(e,r){"object"==typeof exports&&"undefined"!=typeof module?r(exports):"function"==typeof define&&define.amd?define(["exports"],r):r(e.URI=e.URI||{})}(this,function(e){"use strict";function r(){for(var e=arguments.length,r=Array(e),n=0;n<e;n++)r[n]=arguments[n];if(r.length>1){r[0]=r[0].slice(0,-1);for(var t=r.length-1,o=1;o<t;++o)r[o]=r[o].slice(1,-1);return r[t]=r[t].slice(1),r.join("")}return r[0]}function n(e){return"(?:"+e+")"}function t(e){return e===undefined?"undefined":null===e?"null":Object.prototype.toString.call(e).split(" ").pop().split("]").shift().toLowerCase()}function o(e){return e.toUpperCase()}function a(e){return e!==undefined&&null!==e?e instanceof Array?e:"number"!=typeof e.length||e.split||e.setInterval||e.call?[e]:Array.prototype.slice.call(e):[]}function i(e,r){var n=e;if(r)for(var t in r)n[t]=r[t];return n}function u(e){var t=r("[0-9]","[A-Fa-f]"),o=n(n("%[EFef]"+t+"%"+t+t+"%"+t+t)+"|"+n("%[89A-Fa-f]"+t+"%"+t+t)+"|"+n("%"+t+t)),a="[\\!\\$\\&\\'\\(\\)\\*\\+\\,\\;\\=]",i=r("[\\:\\/\\?\\#\\[\\]\\@]",a),u=e?"[\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]":"[]",s=e?"[\\uE000-\\uF8FF]":"[]",f=r("[A-Za-z]","[0-9]","[\\-\\.\\_\\~]",u),c=n(n("25[0-5]")+"|"+n("2[0-4][0-9]")+"|"+n("1[0-9][0-9]")+"|"+n("0?[1-9][0-9]")+"|0?0?[0-9]"),p=n(c+"\\."+c+"\\."+c+"\\."+c),h=n(t+"{1,4}"),d=n(n(h+"\\:"+h)+"|"+p),l=n(n(h+"\\:")+"{6}"+d),m=n("\\:\\:"+n(h+"\\:")+"{5}"+d),g=n(n(h)+"?\\:\\:"+n(h+"\\:")+"{4}"+d),v=n(n(n(h+"\\:")+"{0,1}"+h)+"?\\:\\:"+n(h+"\\:")+"{3}"+d),E=n(n(n(h+"\\:")+"{0,2}"+h)+"?\\:\\:"+n(h+"\\:")+"{2}"+d),C=n(n(n(h+"\\:")+"{0,3}"+h)+"?\\:\\:"+h+"\\:"+d),y=n(n(n(h+"\\:")+"{0,4}"+h)+"?\\:\\:"+d),S=n(n(n(h+"\\:")+"{0,5}"+h)+"?\\:\\:"+h),A=n(n(n(h+"\\:")+"{0,6}"+h)+"?\\:\\:"),D=n([l,m,g,v,E,C,y,S,A].join("|")),w=n(n(f+"|"+o)+"+");return{NOT_SCHEME:new RegExp(r("[^]","[A-Za-z]","[0-9]","[\\+\\-\\.]"),"g"),NOT_USERINFO:new RegExp(r("[^\\%\\:]",f,a),"g"),NOT_HOST:new RegExp(r("[^\\%\\[\\]\\:]",f,a),"g"),NOT_PATH:new RegExp(r("[^\\%\\/\\:\\@]",f,a),"g"),NOT_PATH_NOSCHEME:new RegExp(r("[^\\%\\/\\@]",f,a),"g"),NOT_QUERY:new RegExp(r("[^\\%]",f,a,"[\\:\\@\\/\\?]",s),"g"),NOT_FRAGMENT:new RegExp(r("[^\\%]",f,a,"[\\:\\@\\/\\?]"),"g"),ESCAPE:new RegExp(r("[^]",f,a),"g"),UNRESERVED:new RegExp(f,"g"),OTHER_CHARS:new RegExp(r("[^\\%]",f,i),"g"),PCT_ENCODED:new RegExp(o,"g"),IPV4ADDRESS:new RegExp("^("+p+")$"),IPV6ADDRESS:new RegExp("^\\[?("+D+")"+n(n("\\%25|\\%(?!"+t+"{2})")+"("+w+")")+"?\\]?$")}}function s(e){throw new RangeError(H[e])}function f(e,r){for(var n=[],t=e.length;t--;)n[t]=r(e[t]);return n}function c(e,r){var n=e.split("@"),t="";return n.length>1&&(t=n[0]+"@",e=n[1]),e=e.replace(j,"."),t+f(e.split("."),r).join(".")}function p(e){for(var r=[],n=0,t=e.length;n<t;){var o=e.charCodeAt(n++);if(o>=55296&&o<=56319&&n<t){var a=e.charCodeAt(n++);56320==(64512&a)?r.push(((1023&o)<<10)+(1023&a)+65536):(r.push(o),n--)}else r.push(o)}return r}function h(e){var r=e.charCodeAt(0);return r<16?"%0"+r.toString(16).toUpperCase():r<128?"%"+r.toString(16).toUpperCase():r<2048?"%"+(r>>6|192).toString(16).toUpperCase()+"%"+(63&r|128).toString(16).toUpperCase():"%"+(r>>12|224).toString(16).toUpperCase()+"%"+(r>>6&63|128).toString(16).toUpperCase()+"%"+(63&r|128).toString(16).toUpperCase()}function d(e){for(var r="",n=0,t=e.length;n<t;){var o=parseInt(e.substr(n+1,2),16);if(o<128)r+=String.fromCharCode(o),n+=3;else if(o>=194&&o<224){if(t-n>=6){var a=parseInt(e.substr(n+4,2),16);r+=String.fromCharCode((31&o)<<6|63&a)}else r+=e.substr(n,6);n+=6}else if(o>=224){if(t-n>=9){var i=parseInt(e.substr(n+4,2),16),u=parseInt(e.substr(n+7,2),16);r+=String.fromCharCode((15&o)<<12|(63&i)<<6|63&u)}else r+=e.substr(n,9);n+=9}else r+=e.substr(n,3),n+=3}return r}function l(e,r){function n(e){var n=d(e);return n.match(r.UNRESERVED)?n:e}return e.scheme&&(e.scheme=String(e.scheme).replace(r.PCT_ENCODED,n).toLowerCase().replace(r.NOT_SCHEME,"")),e.userinfo!==undefined&&(e.userinfo=String(e.userinfo).replace(r.PCT_ENCODED,n).replace(r.NOT_USERINFO,h).replace(r.PCT_ENCODED,o)),e.host!==undefined&&(e.host=String(e.host).replace(r.PCT_ENCODED,n).toLowerCase().replace(r.NOT_HOST,h).replace(r.PCT_ENCODED,o)),e.path!==undefined&&(e.path=String(e.path).replace(r.PCT_ENCODED,n).replace(e.scheme?r.NOT_PATH:r.NOT_PATH_NOSCHEME,h).replace(r.PCT_ENCODED,o)),e.query!==undefined&&(e.query=String(e.query).replace(r.PCT_ENCODED,n).replace(r.NOT_QUERY,h).replace(r.PCT_ENCODED,o)),e.fragment!==undefined&&(e.fragment=String(e.fragment).replace(r.PCT_ENCODED,n).replace(r.NOT_FRAGMENT,h).replace(r.PCT_ENCODED,o)),e}function m(e){return e.replace(/^0*(.*)/,"$1")||"0"}function g(e,r){var n=e.match(r.IPV4ADDRESS)||[],t=T(n,2),o=t[1];return o?o.split(".").map(m).join("."):e}function v(e,r){var n=e.match(r.IPV6ADDRESS)||[],t=T(n,3),o=t[1],a=t[2];if(o){for(var i=o.toLowerCase().split("::").reverse(),u=T(i,2),s=u[0],f=u[1],c=f?f.split(":").map(m):[],p=s.split(":").map(m),h=r.IPV4ADDRESS.test(p[p.length-1]),d=h?7:8,l=p.length-d,v=Array(d),E=0;E<d;++E)v[E]=c[E]||p[l+E]||"";h&&(v[d-1]=g(v[d-1],r));var C=v.reduce(function(e,r,n){if(!r||"0"===r){var t=e[e.length-1];t&&t.index+t.length===n?t.length++:e.push({index:n,length:1})}return e},[]),y=C.sort(function(e,r){return r.length-e.length})[0],S=void 0;if(y&&y.length>1){var A=v.slice(0,y.index),D=v.slice(y.index+y.length);S=A.join(":")+"::"+D.join(":")}else S=v.join(":");return a&&(S+="%"+a),S}return e}function E(e){var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},n={},t=!1!==r.iri?R:F;"suffix"===r.reference&&(e=(r.scheme?r.scheme+":":"")+"//"+e);var o=e.match(K);if(o){W?(n.scheme=o[1],n.userinfo=o[3],n.host=o[4],n.port=parseInt(o[5],10),n.path=o[6]||"",n.query=o[7],n.fragment=o[8],isNaN(n.port)&&(n.port=o[5])):(n.scheme=o[1]||undefined,n.userinfo=-1!==e.indexOf("@")?o[3]:undefined,n.host=-1!==e.indexOf("//")?o[4]:undefined,n.port=parseInt(o[5],10),n.path=o[6]||"",n.query=-1!==e.indexOf("?")?o[7]:undefined,n.fragment=-1!==e.indexOf("#")?o[8]:undefined,isNaN(n.port)&&(n.port=e.match(/\/\/(?:.|\n)*\:(?:\/|\?|\#|$)/)?o[4]:undefined)),n.host&&(n.host=v(g(n.host,t),t)),n.scheme!==undefined||n.userinfo!==undefined||n.host!==undefined||n.port!==undefined||n.path||n.query!==undefined?n.scheme===undefined?n.reference="relative":n.fragment===undefined?n.reference="absolute":n.reference="uri":n.reference="same-document",r.reference&&"suffix"!==r.reference&&r.reference!==n.reference&&(n.error=n.error||"URI is not a "+r.reference+" reference.");var a=J[(r.scheme||n.scheme||"").toLowerCase()];if(r.unicodeSupport||a&&a.unicodeSupport)l(n,t);else{if(n.host&&(r.domainHost||a&&a.domainHost))try{n.host=B.toASCII(n.host.replace(t.PCT_ENCODED,d).toLowerCase())}catch(i){n.error=n.error||"Host's domain name can not be converted to ASCII via punycode: "+i}l(n,F)}a&&a.parse&&a.parse(n,r)}else n.error=n.error||"URI can not be parsed.";return n}function C(e,r){var n=!1!==r.iri?R:F,t=[];return e.userinfo!==undefined&&(t.push(e.userinfo),t.push("@")),e.host!==undefined&&t.push(v(g(String(e.host),n),n).replace(n.IPV6ADDRESS,function(e,r,n){return"["+r+(n?"%25"+n:"")+"]"})),"number"!=typeof e.port&&"string"!=typeof e.port||(t.push(":"),t.push(String(e.port))),t.length?t.join(""):undefined}function y(e){for(var r=[];e.length;)if(e.match(X))e=e.replace(X,"");else if(e.match(ee))e=e.replace(ee,"/");else if(e.match(re))e=e.replace(re,"/"),r.pop();else if("."===e||".."===e)e="";else{var n=e.match(ne);if(!n)throw new Error("Unexpected dot segment 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A(e,r){var n=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{},t=arguments[3],o={};return t||(e=E(S(e,n),n),r=E(S(r,n),n)),n=n||{},!n.tolerant&&r.scheme?(o.scheme=r.scheme,o.userinfo=r.userinfo,o.host=r.host,o.port=r.port,o.path=y(r.path||""),o.query=r.query):(r.userinfo!==undefined||r.host!==undefined||r.port!==undefined?(o.userinfo=r.userinfo,o.host=r.host,o.port=r.port,o.path=y(r.path||""),o.query=r.query):(r.path?("/"===r.path.charAt(0)?o.path=y(r.path):(e.userinfo===undefined&&e.host===undefined&&e.port===undefined||e.path?e.path?o.path=e.path.slice(0,e.path.lastIndexOf("/")+1)+r.path:o.path=r.path:o.path="/"+r.path,o.path=y(o.path)),o.query=r.query):(o.path=e.path,r.query!==undefined?o.query=r.query:o.query=e.query),o.userinfo=e.userinfo,o.host=e.host,o.port=e.port),o.scheme=e.scheme),o.fragment=r.fragment,o}function D(e,r,n){var t=i({scheme:"null"},n);return S(A(E(e,t),E(r,t),t,!0),t)}function w(e,r){return"string"==typeof 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diff --git a/node_modules/uri-js/dist/es5/uri.all.min.js.map b/node_modules/uri-js/dist/es5/uri.all.min.js.map
new file mode 100644
index 000000000..99427a694
--- /dev/null
+++ b/node_modules/uri-js/dist/es5/uri.all.min.js.map
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function merge(...sets:Array<string>):string {\n\tif (sets.length > 1) {\n\t\tsets[0] = sets[0].slice(0, -1);\n\t\tconst xl = sets.length - 1;\n\t\tfor (let x = 1; x < xl; ++x) {\n\t\t\tsets[x] = sets[x].slice(1, -1);\n\t\t}\n\t\tsets[xl] = sets[xl].slice(1);\n\t\treturn sets.join('');\n\t} else {\n\t\treturn sets[0];\n\t}\n}\n\nexport function subexp(str:string):string {\n\treturn \"(?:\" + str + \")\";\n}\n\nexport function typeOf(o:any):string {\n\treturn o === undefined ? \"undefined\" : (o === null ? \"null\" : Object.prototype.toString.call(o).split(\" \").pop().split(\"]\").shift().toLowerCase());\n}\n\nexport function toUpperCase(str:string):string {\n\treturn str.toUpperCase();\n}\n\nexport function toArray(obj:any):Array<any> {\n\treturn obj !== undefined && obj !== null ? (obj instanceof Array ? obj : (typeof obj.length !== \"number\" || obj.split || obj.setInterval || obj.call ? [obj] : Array.prototype.slice.call(obj))) : [];\n}\n\n\nexport function assign(target: object, source: any): any {\n\tconst obj = target as any;\n\tif (source) {\n\t\tfor (const key in source) {\n\t\t\tobj[key] = source[key];\n\t\t}\n\t}\n\treturn obj;\n}","import { URIRegExps } from \"./uri\";\nimport { merge, subexp } from \"./util\";\n\nexport function buildExps(isIRI:boolean):URIRegExps {\n\tconst\n\t\tALPHA$$ = \"[A-Za-z]\",\n\t\tCR$ = \"[\\\\x0D]\",\n\t\tDIGIT$$ = \"[0-9]\",\n\t\tDQUOTE$$ = \"[\\\\x22]\",\n\t\tHEXDIG$$ = merge(DIGIT$$, \"[A-Fa-f]\"),  //case-insensitive\n\t\tLF$$ = \"[\\\\x0A]\",\n\t\tSP$$ = \"[\\\\x20]\",\n\t\tPCT_ENCODED$ = subexp(subexp(\"%[EFef]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%[89A-Fa-f]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%\" + HEXDIG$$ + HEXDIG$$)),  //expanded\n\t\tGEN_DELIMS$$ = \"[\\\\:\\\\/\\\\?\\\\#\\\\[\\\\]\\\\@]\",\n\t\tSUB_DELIMS$$ = \"[\\\\!\\\\$\\\\&\\\\'\\\\(\\\\)\\\\*\\\\+\\\\,\\\\;\\\\=]\",\n\t\tRESERVED$$ = merge(GEN_DELIMS$$, SUB_DELIMS$$),\n\t\tUCSCHAR$$ = isIRI ? \"[\\\\xA0-\\\\u200D\\\\u2010-\\\\u2029\\\\u202F-\\\\uD7FF\\\\uF900-\\\\uFDCF\\\\uFDF0-\\\\uFFEF]\" : \"[]\",  //subset, excludes bidi control characters\n\t\tIPRIVATE$$ = isIRI ? \"[\\\\uE000-\\\\uF8FF]\" : \"[]\",  //subset\n\t\tUNRESERVED$$ = merge(ALPHA$$, DIGIT$$, \"[\\\\-\\\\.\\\\_\\\\~]\", UCSCHAR$$),\n\t\tSCHEME$ = subexp(ALPHA$$ + merge(ALPHA$$, DIGIT$$, \"[\\\\+\\\\-\\\\.]\") + \"*\"),\n\t\tUSERINFO$ = subexp(subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:]\")) + \"*\"),\n\t\tDEC_OCTET$ = subexp(subexp(\"25[0-5]\") + \"|\" + subexp(\"2[0-4]\" + DIGIT$$) + \"|\" + subexp(\"1\" + DIGIT$$ + DIGIT$$) + \"|\" + subexp(\"[1-9]\" + DIGIT$$) + \"|\" + DIGIT$$),\n\t\tDEC_OCTET_RELAXED$ = subexp(subexp(\"25[0-5]\") + \"|\" + subexp(\"2[0-4]\" + DIGIT$$) + \"|\" + subexp(\"1\" + DIGIT$$ + DIGIT$$) + \"|\" + subexp(\"0?[1-9]\" + DIGIT$$) + \"|0?0?\" + DIGIT$$),  //relaxed parsing rules\n\t\tIPV4ADDRESS$ = subexp(DEC_OCTET_RELAXED$ + \"\\\\.\" + DEC_OCTET_RELAXED$ + \"\\\\.\" + DEC_OCTET_RELAXED$ + \"\\\\.\" + DEC_OCTET_RELAXED$),\n\t\tH16$ = subexp(HEXDIG$$ + \"{1,4}\"),\n\t\tLS32$ = subexp(subexp(H16$ + \"\\\\:\" + H16$) + \"|\" + IPV4ADDRESS$),\n\t\tIPV6ADDRESS1$ = subexp(                                                            subexp(H16$ + \"\\\\:\") + \"{6}\" + LS32$), //                           6( h16 \":\" ) ls32\n\t\tIPV6ADDRESS2$ = subexp(                                                 \"\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{5}\" + LS32$), //                      \"::\" 5( h16 \":\" ) ls32\n\t\tIPV6ADDRESS3$ = subexp(subexp(                                 H16$) + \"?\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{4}\" + LS32$), //[               h16 ] \"::\" 4( h16 \":\" ) ls32\n\t\tIPV6ADDRESS4$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,1}\" + H16$) + \"?\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{3}\" + LS32$), //[ *1( h16 \":\" ) h16 ] \"::\" 3( h16 \":\" ) ls32\n\t\tIPV6ADDRESS5$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,2}\" + H16$) + \"?\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{2}\" + LS32$), //[ *2( h16 \":\" ) h16 ] \"::\" 2( h16 \":\" ) ls32\n\t\tIPV6ADDRESS6$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,3}\" + H16$) + \"?\\\\:\\\\:\" +        H16$ + \"\\\\:\"          + LS32$), //[ *3( h16 \":\" ) h16 ] \"::\"    h16 \":\"   ls32\n\t\tIPV6ADDRESS7$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,4}\" + H16$) + \"?\\\\:\\\\:\"                                + LS32$), //[ *4( h16 \":\" ) h16 ] \"::\"              ls32\n\t\tIPV6ADDRESS8$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,5}\" + H16$) + \"?\\\\:\\\\:\"                                + H16$ ), //[ *5( h16 \":\" ) h16 ] \"::\"              h16\n\t\tIPV6ADDRESS9$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,6}\" + H16$) + \"?\\\\:\\\\:\"                                       ), //[ *6( h16 \":\" ) h16 ] \"::\"\n\t\tIPV6ADDRESS$ = subexp([IPV6ADDRESS1$, IPV6ADDRESS2$, IPV6ADDRESS3$, IPV6ADDRESS4$, IPV6ADDRESS5$, IPV6ADDRESS6$, IPV6ADDRESS7$, IPV6ADDRESS8$, IPV6ADDRESS9$].join(\"|\")),\n\t\tZONEID$ = subexp(subexp(UNRESERVED$$ + \"|\" + PCT_ENCODED$) + \"+\"),  //RFC 6874\n\t\tIPV6ADDRZ$ = subexp(IPV6ADDRESS$ + \"\\\\%25\" + ZONEID$),  //RFC 6874\n\t\tIPV6ADDRZ_RELAXED$ = subexp(IPV6ADDRESS$ + subexp(\"\\\\%25|\\\\%(?!\" + HEXDIG$$ + \"{2})\") + ZONEID$),  //RFC 6874, with relaxed parsing rules\n\t\tIPVFUTURE$ = subexp(\"[vV]\" + HEXDIG$$ + \"+\\\\.\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:]\") + \"+\"),\n\t\tIP_LITERAL$ = subexp(\"\\\\[\" + subexp(IPV6ADDRZ_RELAXED$ + \"|\" + IPV6ADDRESS$ + \"|\" + IPVFUTURE$) + \"\\\\]\"),  //RFC 6874\n\t\tREG_NAME$ = subexp(subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$)) + \"*\"),\n\t\tHOST$ = subexp(IP_LITERAL$ + \"|\" + IPV4ADDRESS$ + \"(?!\" + REG_NAME$ + \")\" + \"|\" + REG_NAME$),\n\t\tPORT$ = subexp(DIGIT$$ + \"*\"),\n\t\tAUTHORITY$ = subexp(subexp(USERINFO$ + \"@\") + \"?\" + HOST$ + subexp(\"\\\\:\" + PORT$) + \"?\"),\n\t\tPCHAR$ = subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:\\\\@]\")),\n\t\tSEGMENT$ = subexp(PCHAR$ + \"*\"),\n\t\tSEGMENT_NZ$ = subexp(PCHAR$ + \"+\"),\n\t\tSEGMENT_NZ_NC$ = subexp(subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\@]\")) + \"+\"),\n\t\tPATH_ABEMPTY$ = subexp(subexp(\"\\\\/\" + SEGMENT$) + \"*\"),\n\t\tPATH_ABSOLUTE$ = subexp(\"\\\\/\" + subexp(SEGMENT_NZ$ + PATH_ABEMPTY$) + \"?\"),  //simplified\n\t\tPATH_NOSCHEME$ = subexp(SEGMENT_NZ_NC$ + PATH_ABEMPTY$),  //simplified\n\t\tPATH_ROOTLESS$ = subexp(SEGMENT_NZ$ + PATH_ABEMPTY$),  //simplified\n\t\tPATH_EMPTY$ = \"(?!\" + PCHAR$ + \")\",\n\t\tPATH$ = subexp(PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_NOSCHEME$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$),\n\t\tQUERY$ = subexp(subexp(PCHAR$ + \"|\" + merge(\"[\\\\/\\\\?]\", IPRIVATE$$)) + \"*\"),\n\t\tFRAGMENT$ = subexp(subexp(PCHAR$ + \"|[\\\\/\\\\?]\") + \"*\"),\n\t\tHIER_PART$ = subexp(subexp(\"\\\\/\\\\/\" + AUTHORITY$ + PATH_ABEMPTY$) + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$),\n\t\tURI$ = subexp(SCHEME$ + \"\\\\:\" + HIER_PART$ + subexp(\"\\\\?\" + QUERY$) + \"?\" + subexp(\"\\\\#\" + FRAGMENT$) + \"?\"),\n\t\tRELATIVE_PART$ = subexp(subexp(\"\\\\/\\\\/\" + AUTHORITY$ + PATH_ABEMPTY$) + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_NOSCHEME$ + \"|\" + PATH_EMPTY$),\n\t\tRELATIVE$ = subexp(RELATIVE_PART$ + subexp(\"\\\\?\" + QUERY$) + \"?\" + subexp(\"\\\\#\" + FRAGMENT$) + \"?\"),\n\t\tURI_REFERENCE$ = subexp(URI$ + \"|\" + RELATIVE$),\n\t\tABSOLUTE_URI$ = subexp(SCHEME$ + \"\\\\:\" + HIER_PART$ + subexp(\"\\\\?\" + QUERY$) + \"?\"),\n\n\t\tGENERIC_REF$ = \"^(\" + SCHEME$ + \")\\\\:\" + subexp(subexp(\"\\\\/\\\\/(\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?)\") + \"?(\" + PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$ + \")\") + subexp(\"\\\\?(\" + QUERY$ + \")\") + \"?\" + subexp(\"\\\\#(\" + FRAGMENT$ + \")\") + \"?$\",\n\t\tRELATIVE_REF$ = \"^(){0}\" + subexp(subexp(\"\\\\/\\\\/(\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?)\") + \"?(\" + PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_NOSCHEME$ + \"|\" + PATH_EMPTY$ + \")\") + subexp(\"\\\\?(\" + QUERY$ + \")\") + \"?\" + subexp(\"\\\\#(\" + FRAGMENT$ + \")\") + \"?$\",\n\t\tABSOLUTE_REF$ = \"^(\" + SCHEME$ + \")\\\\:\" + subexp(subexp(\"\\\\/\\\\/(\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?)\") + \"?(\" + PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$ + \")\") + subexp(\"\\\\?(\" + QUERY$ + \")\") + \"?$\",\n\t\tSAMEDOC_REF$ = \"^\" + subexp(\"\\\\#(\" + FRAGMENT$ + \")\") + \"?$\",\n\t\tAUTHORITY_REF$ = \"^\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?$\"\n\t;\n\n\treturn {\n\t\tNOT_SCHEME : new RegExp(merge(\"[^]\", ALPHA$$, DIGIT$$, \"[\\\\+\\\\-\\\\.]\"), \"g\"),\n\t\tNOT_USERINFO : new RegExp(merge(\"[^\\\\%\\\\:]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_HOST : new RegExp(merge(\"[^\\\\%\\\\[\\\\]\\\\:]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_PATH : new RegExp(merge(\"[^\\\\%\\\\/\\\\:\\\\@]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_PATH_NOSCHEME : new RegExp(merge(\"[^\\\\%\\\\/\\\\@]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_QUERY : new RegExp(merge(\"[^\\\\%]\", UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:\\\\@\\\\/\\\\?]\", IPRIVATE$$), \"g\"),\n\t\tNOT_FRAGMENT : new RegExp(merge(\"[^\\\\%]\", UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:\\\\@\\\\/\\\\?]\"), \"g\"),\n\t\tESCAPE : new RegExp(merge(\"[^]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tUNRESERVED : new RegExp(UNRESERVED$$, \"g\"),\n\t\tOTHER_CHARS : new RegExp(merge(\"[^\\\\%]\", UNRESERVED$$, RESERVED$$), \"g\"),\n\t\tPCT_ENCODED : new RegExp(PCT_ENCODED$, \"g\"),\n\t\tIPV4ADDRESS : new RegExp(\"^(\" + IPV4ADDRESS$ + \")$\"),\n\t\tIPV6ADDRESS : new RegExp(\"^\\\\[?(\" + IPV6ADDRESS$ + \")\" + subexp(subexp(\"\\\\%25|\\\\%(?!\" + HEXDIG$$ + \"{2})\") + \"(\" + ZONEID$ + \")\") + \"?\\\\]?$\")  //RFC 6874, with relaxed parsing rules\n\t};\n}\n\nexport default buildExps(false);\n","'use strict';\n\n/** Highest positive signed 32-bit float value */\nconst maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1\n\n/** Bootstring parameters */\nconst base = 36;\nconst tMin = 1;\nconst tMax = 26;\nconst skew = 38;\nconst damp = 700;\nconst initialBias = 72;\nconst initialN = 128; // 0x80\nconst delimiter = '-'; // '\\x2D'\n\n/** Regular expressions */\nconst regexPunycode = /^xn--/;\nconst regexNonASCII = /[^\\0-\\x7E]/; // non-ASCII chars\nconst regexSeparators = /[\\x2E\\u3002\\uFF0E\\uFF61]/g; // RFC 3490 separators\n\n/** Error messages */\nconst errors = {\n\t'overflow': 'Overflow: input needs wider integers to process',\n\t'not-basic': 'Illegal input >= 0x80 (not a basic code point)',\n\t'invalid-input': 'Invalid input'\n};\n\n/** Convenience shortcuts */\nconst baseMinusTMin = base - tMin;\nconst floor = Math.floor;\nconst stringFromCharCode = String.fromCharCode;\n\n/*--------------------------------------------------------------------------*/\n\n/**\n * A generic error utility function.\n * @private\n * @param {String} type The error type.\n * @returns {Error} Throws a `RangeError` with the applicable error message.\n */\nfunction error(type) {\n\tthrow new RangeError(errors[type]);\n}\n\n/**\n * A generic `Array#map` utility function.\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} callback The function that gets called for every array\n * item.\n * @returns {Array} A new array of values returned by the callback function.\n */\nfunction map(array, fn) {\n\tconst result = [];\n\tlet length = array.length;\n\twhile (length--) {\n\t\tresult[length] = fn(array[length]);\n\t}\n\treturn result;\n}\n\n/**\n * A simple `Array#map`-like wrapper to work with domain name strings or email\n * addresses.\n * @private\n * @param {String} domain The domain name or email address.\n * @param {Function} callback The function that gets called for every\n * character.\n * @returns {Array} A new string of characters returned by the callback\n * function.\n */\nfunction mapDomain(string, fn) {\n\tconst parts = string.split('@');\n\tlet result = '';\n\tif (parts.length > 1) {\n\t\t// In email addresses, only the domain name should be punycoded. Leave\n\t\t// the local part (i.e. everything up to `@`) intact.\n\t\tresult = parts[0] + '@';\n\t\tstring = parts[1];\n\t}\n\t// Avoid `split(regex)` for IE8 compatibility. See #17.\n\tstring = string.replace(regexSeparators, '\\x2E');\n\tconst labels = string.split('.');\n\tconst encoded = map(labels, fn).join('.');\n\treturn result + encoded;\n}\n\n/**\n * Creates an array containing the numeric code points of each Unicode\n * character in the string. While JavaScript uses UCS-2 internally,\n * this function will convert a pair of surrogate halves (each of which\n * UCS-2 exposes as separate characters) into a single code point,\n * matching UTF-16.\n * @see `punycode.ucs2.encode`\n * @see <https://mathiasbynens.be/notes/javascript-encoding>\n * @memberOf punycode.ucs2\n * @name decode\n * @param {String} string The Unicode input string (UCS-2).\n * @returns {Array} The new array of code points.\n */\nfunction ucs2decode(string) {\n\tconst output = [];\n\tlet counter = 0;\n\tconst length = string.length;\n\twhile (counter < length) {\n\t\tconst value = string.charCodeAt(counter++);\n\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t// It's a high surrogate, and there is a next character.\n\t\t\tconst extra = string.charCodeAt(counter++);\n\t\t\tif ((extra & 0xFC00) == 0xDC00) { // Low surrogate.\n\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t} else {\n\t\t\t\t// It's an unmatched surrogate; only append this code unit, in case the\n\t\t\t\t// next code unit is the high surrogate of a surrogate pair.\n\t\t\t\toutput.push(value);\n\t\t\t\tcounter--;\n\t\t\t}\n\t\t} else {\n\t\t\toutput.push(value);\n\t\t}\n\t}\n\treturn output;\n}\n\n/**\n * Creates a string based on an array of numeric code points.\n * @see `punycode.ucs2.decode`\n * @memberOf punycode.ucs2\n * @name encode\n * @param {Array} codePoints The array of numeric code points.\n * @returns {String} The new Unicode string (UCS-2).\n */\nconst ucs2encode = array => String.fromCodePoint(...array);\n\n/**\n * Converts a basic code point into a digit/integer.\n * @see `digitToBasic()`\n * @private\n * @param {Number} codePoint The basic numeric code point value.\n * @returns {Number} The numeric value of a basic code point (for use in\n * representing integers) in the range `0` to `base - 1`, or `base` if\n * the code point does not represent a value.\n */\nconst basicToDigit = function(codePoint) {\n\tif (codePoint - 0x30 < 0x0A) {\n\t\treturn codePoint - 0x16;\n\t}\n\tif (codePoint - 0x41 < 0x1A) {\n\t\treturn codePoint - 0x41;\n\t}\n\tif (codePoint - 0x61 < 0x1A) {\n\t\treturn codePoint - 0x61;\n\t}\n\treturn base;\n};\n\n/**\n * Converts a digit/integer into a basic code point.\n * @see `basicToDigit()`\n * @private\n * @param {Number} digit The numeric value of a basic code point.\n * @returns {Number} The basic code point whose value (when used for\n * representing integers) is `digit`, which needs to be in the range\n * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is\n * used; else, the lowercase form is used. The behavior is undefined\n * if `flag` is non-zero and `digit` has no uppercase form.\n */\nconst digitToBasic = function(digit, flag) {\n\t//  0..25 map to ASCII a..z or A..Z\n\t// 26..35 map to ASCII 0..9\n\treturn digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);\n};\n\n/**\n * Bias adaptation function as per section 3.4 of RFC 3492.\n * https://tools.ietf.org/html/rfc3492#section-3.4\n * @private\n */\nconst adapt = function(delta, numPoints, firstTime) {\n\tlet k = 0;\n\tdelta = firstTime ? floor(delta / damp) : delta >> 1;\n\tdelta += floor(delta / numPoints);\n\tfor (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {\n\t\tdelta = floor(delta / baseMinusTMin);\n\t}\n\treturn floor(k + (baseMinusTMin + 1) * delta / (delta + skew));\n};\n\n/**\n * Converts a Punycode string of ASCII-only symbols to a string of Unicode\n * symbols.\n * @memberOf punycode\n * @param {String} input The Punycode string of ASCII-only symbols.\n * @returns {String} The resulting string of Unicode symbols.\n */\nconst decode = function(input) {\n\t// Don't use UCS-2.\n\tconst output = [];\n\tconst inputLength = input.length;\n\tlet i = 0;\n\tlet n = initialN;\n\tlet bias = initialBias;\n\n\t// Handle the basic code points: let `basic` be the number of input code\n\t// points before the last delimiter, or `0` if there is none, then copy\n\t// the first basic code points to the output.\n\n\tlet basic = input.lastIndexOf(delimiter);\n\tif (basic < 0) {\n\t\tbasic = 0;\n\t}\n\n\tfor (let j = 0; j < basic; ++j) {\n\t\t// if it's not a basic code point\n\t\tif (input.charCodeAt(j) >= 0x80) {\n\t\t\terror('not-basic');\n\t\t}\n\t\toutput.push(input.charCodeAt(j));\n\t}\n\n\t// Main decoding loop: start just after the last delimiter if any basic code\n\t// points were copied; start at the beginning otherwise.\n\n\tfor (let index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {\n\n\t\t// `index` is the index of the next character to be consumed.\n\t\t// Decode a generalized variable-length integer into `delta`,\n\t\t// which gets added to `i`. The overflow checking is easier\n\t\t// if we increase `i` as we go, then subtract off its starting\n\t\t// value at the end to obtain `delta`.\n\t\tlet oldi = i;\n\t\tfor (let w = 1, k = base; /* no condition */; k += base) {\n\n\t\t\tif (index >= inputLength) {\n\t\t\t\terror('invalid-input');\n\t\t\t}\n\n\t\t\tconst digit = basicToDigit(input.charCodeAt(index++));\n\n\t\t\tif (digit >= base || digit > floor((maxInt - i) / w)) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\ti += digit * w;\n\t\t\tconst t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\n\t\t\tif (digit < t) {\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tconst baseMinusT = base - t;\n\t\t\tif (w > floor(maxInt / baseMinusT)) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\tw *= baseMinusT;\n\n\t\t}\n\n\t\tconst out = output.length + 1;\n\t\tbias = adapt(i - oldi, out, oldi == 0);\n\n\t\t// `i` was supposed to wrap around from `out` to `0`,\n\t\t// incrementing `n` each time, so we'll fix that now:\n\t\tif (floor(i / out) > maxInt - n) {\n\t\t\terror('overflow');\n\t\t}\n\n\t\tn += floor(i / out);\n\t\ti %= out;\n\n\t\t// Insert `n` at position `i` of the output.\n\t\toutput.splice(i++, 0, n);\n\n\t}\n\n\treturn String.fromCodePoint(...output);\n};\n\n/**\n * Converts a string of Unicode symbols (e.g. a domain name label) to a\n * Punycode string of ASCII-only symbols.\n * @memberOf punycode\n * @param {String} input The string of Unicode symbols.\n * @returns {String} The resulting Punycode string of ASCII-only symbols.\n */\nconst encode = function(input) {\n\tconst output = [];\n\n\t// Convert the input in UCS-2 to an array of Unicode code points.\n\tinput = ucs2decode(input);\n\n\t// Cache the length.\n\tlet inputLength = input.length;\n\n\t// Initialize the state.\n\tlet n = initialN;\n\tlet delta = 0;\n\tlet bias = initialBias;\n\n\t// Handle the basic code points.\n\tfor (const currentValue of input) {\n\t\tif (currentValue < 0x80) {\n\t\t\toutput.push(stringFromCharCode(currentValue));\n\t\t}\n\t}\n\n\tlet basicLength = output.length;\n\tlet handledCPCount = basicLength;\n\n\t// `handledCPCount` is the number of code points that have been handled;\n\t// `basicLength` is the number of basic code points.\n\n\t// Finish the basic string with a delimiter unless it's empty.\n\tif (basicLength) {\n\t\toutput.push(delimiter);\n\t}\n\n\t// Main encoding loop:\n\twhile (handledCPCount < inputLength) {\n\n\t\t// All non-basic code points < n have been handled already. Find the next\n\t\t// larger one:\n\t\tlet m = maxInt;\n\t\tfor (const currentValue of input) {\n\t\t\tif (currentValue >= n && currentValue < m) {\n\t\t\t\tm = currentValue;\n\t\t\t}\n\t\t}\n\n\t\t// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,\n\t\t// but guard against overflow.\n\t\tconst handledCPCountPlusOne = handledCPCount + 1;\n\t\tif (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {\n\t\t\terror('overflow');\n\t\t}\n\n\t\tdelta += (m - n) * handledCPCountPlusOne;\n\t\tn = m;\n\n\t\tfor (const currentValue of input) {\n\t\t\tif (currentValue < n && ++delta > maxInt) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\t\t\tif (currentValue == n) {\n\t\t\t\t// Represent delta as a generalized variable-length integer.\n\t\t\t\tlet q = delta;\n\t\t\t\tfor (let k = base; /* no condition */; k += base) {\n\t\t\t\t\tconst t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\t\t\t\t\tif (q < t) {\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t\tconst qMinusT = q - t;\n\t\t\t\t\tconst baseMinusT = base - t;\n\t\t\t\t\toutput.push(\n\t\t\t\t\t\tstringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))\n\t\t\t\t\t);\n\t\t\t\t\tq = floor(qMinusT / baseMinusT);\n\t\t\t\t}\n\n\t\t\t\toutput.push(stringFromCharCode(digitToBasic(q, 0)));\n\t\t\t\tbias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);\n\t\t\t\tdelta = 0;\n\t\t\t\t++handledCPCount;\n\t\t\t}\n\t\t}\n\n\t\t++delta;\n\t\t++n;\n\n\t}\n\treturn output.join('');\n};\n\n/**\n * Converts a Punycode string representing a domain name or an email address\n * to Unicode. Only the Punycoded parts of the input will be converted, i.e.\n * it doesn't matter if you call it on a string that has already been\n * converted to Unicode.\n * @memberOf punycode\n * @param {String} input The Punycoded domain name or email address to\n * convert to Unicode.\n * @returns {String} The Unicode representation of the given Punycode\n * string.\n */\nconst toUnicode = function(input) {\n\treturn mapDomain(input, function(string) {\n\t\treturn regexPunycode.test(string)\n\t\t\t? decode(string.slice(4).toLowerCase())\n\t\t\t: string;\n\t});\n};\n\n/**\n * Converts a Unicode string representing a domain name or an email address to\n * Punycode. Only the non-ASCII parts of the domain name will be converted,\n * i.e. it doesn't matter if you call it with a domain that's already in\n * ASCII.\n * @memberOf punycode\n * @param {String} input The domain name or email address to convert, as a\n * Unicode string.\n * @returns {String} The Punycode representation of the given domain name or\n * email address.\n */\nconst toASCII = function(input) {\n\treturn mapDomain(input, function(string) {\n\t\treturn regexNonASCII.test(string)\n\t\t\t? 'xn--' + encode(string)\n\t\t\t: string;\n\t});\n};\n\n/*--------------------------------------------------------------------------*/\n\n/** Define the public API */\nconst punycode = {\n\t/**\n\t * A string representing the current Punycode.js version number.\n\t * @memberOf punycode\n\t * @type String\n\t */\n\t'version': '2.1.0',\n\t/**\n\t * An object of methods to convert from JavaScript's internal character\n\t * representation (UCS-2) to Unicode code points, and back.\n\t * @see <https://mathiasbynens.be/notes/javascript-encoding>\n\t * @memberOf punycode\n\t * @type Object\n\t */\n\t'ucs2': {\n\t\t'decode': ucs2decode,\n\t\t'encode': ucs2encode\n\t},\n\t'decode': decode,\n\t'encode': encode,\n\t'toASCII': toASCII,\n\t'toUnicode': toUnicode\n};\n\nexport default punycode;\n","/**\n * URI.js\n *\n * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript.\n * @author <a href=\"mailto:gary.court@gmail.com\">Gary Court</a>\n * @see http://github.com/garycourt/uri-js\n */\n\n/**\n * Copyright 2011 Gary Court. All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification, are\n * permitted provided that the following conditions are met:\n *\n *    1. Redistributions of source code must retain the above copyright notice, this list of\n *       conditions and the following disclaimer.\n *\n *    2. Redistributions in binary form must reproduce the above copyright notice, this list\n *       of conditions and the following disclaimer in the documentation and/or other materials\n *       provided with the distribution.\n *\n * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED\n * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND\n * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR\n * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR\n * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\n * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING\n * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF\n * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n *\n * The views and conclusions contained in the software and documentation are those of the\n * authors and should not be interpreted as representing official policies, either expressed\n * or implied, of Gary Court.\n */\n\nimport URI_PROTOCOL from \"./regexps-uri\";\nimport IRI_PROTOCOL from \"./regexps-iri\";\nimport punycode from \"punycode\";\nimport { toUpperCase, typeOf, assign } from \"./util\";\n\nexport interface URIComponents {\n\tscheme?:string;\n\tuserinfo?:string;\n\thost?:string;\n\tport?:number|string;\n\tpath?:string;\n\tquery?:string;\n\tfragment?:string;\n\treference?:string;\n\terror?:string;\n}\n\nexport interface URIOptions {\n\tscheme?:string;\n\treference?:string;\n\ttolerant?:boolean;\n\tabsolutePath?:boolean;\n\tiri?:boolean;\n\tunicodeSupport?:boolean;\n\tdomainHost?:boolean;\n}\n\nexport interface URISchemeHandler<Components extends URIComponents = URIComponents, Options extends URIOptions = URIOptions, ParentComponents extends URIComponents = URIComponents> {\n\tscheme:string;\n\tparse(components:ParentComponents, options:Options):Components;\n\tserialize(components:Components, options:Options):ParentComponents;\n\tunicodeSupport?:boolean;\n\tdomainHost?:boolean;\n\tabsolutePath?:boolean;\n}\n\nexport interface URIRegExps {\n\tNOT_SCHEME : RegExp,\n\tNOT_USERINFO : RegExp,\n\tNOT_HOST : RegExp,\n\tNOT_PATH : RegExp,\n\tNOT_PATH_NOSCHEME : RegExp,\n\tNOT_QUERY : RegExp,\n\tNOT_FRAGMENT : RegExp,\n\tESCAPE : RegExp,\n\tUNRESERVED : RegExp,\n\tOTHER_CHARS : RegExp,\n\tPCT_ENCODED : RegExp,\n\tIPV4ADDRESS : RegExp,\n\tIPV6ADDRESS : RegExp,\n}\n\nexport const SCHEMES:{[scheme:string]:URISchemeHandler} = {};\n\nexport function pctEncChar(chr:string):string {\n\tconst c = chr.charCodeAt(0);\n\tlet e:string;\n\n\tif (c < 16) e = \"%0\" + c.toString(16).toUpperCase();\n\telse if (c < 128) e = \"%\" + c.toString(16).toUpperCase();\n\telse if (c < 2048) e = \"%\" + ((c >> 6) | 192).toString(16).toUpperCase() + \"%\" + ((c & 63) | 128).toString(16).toUpperCase();\n\telse e = \"%\" + ((c >> 12) | 224).toString(16).toUpperCase() + \"%\" + (((c >> 6) & 63) | 128).toString(16).toUpperCase() + \"%\" + ((c & 63) | 128).toString(16).toUpperCase();\n\n\treturn e;\n}\n\nexport function pctDecChars(str:string):string {\n\tlet newStr = \"\";\n\tlet i = 0;\n\tconst il = str.length;\n\n\twhile (i < il) {\n\t\tconst c = parseInt(str.substr(i + 1, 2), 16);\n\n\t\tif (c < 128) {\n\t\t\tnewStr += String.fromCharCode(c);\n\t\t\ti += 3;\n\t\t}\n\t\telse if (c >= 194 && c < 224) {\n\t\t\tif ((il - i) >= 6) {\n\t\t\t\tconst c2 = parseInt(str.substr(i + 4, 2), 16);\n\t\t\t\tnewStr += String.fromCharCode(((c & 31) << 6) | (c2 & 63));\n\t\t\t} else {\n\t\t\t\tnewStr += str.substr(i, 6);\n\t\t\t}\n\t\t\ti += 6;\n\t\t}\n\t\telse if (c >= 224) {\n\t\t\tif ((il - i) >= 9) {\n\t\t\t\tconst c2 = parseInt(str.substr(i + 4, 2), 16);\n\t\t\t\tconst c3 = parseInt(str.substr(i + 7, 2), 16);\n\t\t\t\tnewStr += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));\n\t\t\t} else {\n\t\t\t\tnewStr += str.substr(i, 9);\n\t\t\t}\n\t\t\ti += 9;\n\t\t}\n\t\telse {\n\t\t\tnewStr += str.substr(i, 3);\n\t\t\ti += 3;\n\t\t}\n\t}\n\n\treturn newStr;\n}\n\nfunction _normalizeComponentEncoding(components:URIComponents, protocol:URIRegExps) {\n\tfunction decodeUnreserved(str:string):string {\n\t\tconst decStr = pctDecChars(str);\n\t\treturn (!decStr.match(protocol.UNRESERVED) ? str : decStr);\n\t}\n\n\tif (components.scheme) components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, \"\");\n\tif (components.userinfo !== undefined) components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.host !== undefined) components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.path !== undefined) components.path = String(components.path).replace(protocol.PCT_ENCODED, decodeUnreserved).replace((components.scheme ? protocol.NOT_PATH : protocol.NOT_PATH_NOSCHEME), pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.query !== undefined) components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.fragment !== undefined) components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\n\treturn components;\n};\n\nfunction _stripLeadingZeros(str:string):string {\n\treturn str.replace(/^0*(.*)/, \"$1\") || \"0\";\n}\n\nfunction _normalizeIPv4(host:string, protocol:URIRegExps):string {\n\tconst matches = host.match(protocol.IPV4ADDRESS) || [];\n\tconst [, address] = matches;\n\t\n\tif (address) {\n\t\treturn address.split(\".\").map(_stripLeadingZeros).join(\".\");\n\t} else {\n\t\treturn host;\n\t}\n}\n\nfunction _normalizeIPv6(host:string, protocol:URIRegExps):string {\n\tconst matches = host.match(protocol.IPV6ADDRESS) || [];\n\tconst [, address, zone] = matches;\n\n\tif (address) {\n\t\tconst [last, first] = address.toLowerCase().split('::').reverse();\n\t\tconst firstFields = first ? first.split(\":\").map(_stripLeadingZeros) : [];\n\t\tconst lastFields = last.split(\":\").map(_stripLeadingZeros);\n\t\tconst isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]);\n\t\tconst fieldCount = isLastFieldIPv4Address ? 7 : 8;\n\t\tconst lastFieldsStart = lastFields.length - fieldCount;\n\t\tconst fields = Array<string>(fieldCount);\n\n\t\tfor (let x = 0; x < fieldCount; ++x) {\n\t\t\tfields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || '';\n\t\t}\n\n\t\tif (isLastFieldIPv4Address) {\n\t\t\tfields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol);\n\t\t}\n\n\t\tconst allZeroFields = fields.reduce<Array<{index:number,length:number}>>((acc, field, index) => {\n\t\t\tif (!field || field === \"0\") {\n\t\t\t\tconst lastLongest = acc[acc.length - 1];\n\t\t\t\tif (lastLongest && lastLongest.index + lastLongest.length === index) {\n\t\t\t\t\tlastLongest.length++;\n\t\t\t\t} else {\n\t\t\t\t\tacc.push({ index, length : 1 });\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn acc;\n\t\t}, []);\n\n\t\tconst longestZeroFields = allZeroFields.sort((a, b) => b.length - a.length)[0];\n\n\t\tlet newHost:string;\n\t\tif (longestZeroFields && longestZeroFields.length > 1) {\n\t\t\tconst newFirst = fields.slice(0, longestZeroFields.index) ;\n\t\t\tconst newLast = fields.slice(longestZeroFields.index + longestZeroFields.length);\n\t\t\tnewHost = newFirst.join(\":\") + \"::\" + newLast.join(\":\");\n\t\t} else {\n\t\t\tnewHost = fields.join(\":\");\n\t\t}\n\n\t\tif (zone) {\n\t\t\tnewHost += \"%\" + zone;\n\t\t}\n\n\t\treturn newHost;\n\t} else {\n\t\treturn host;\n\t}\n}\n\nconst URI_PARSE = /^(?:([^:\\/?#]+):)?(?:\\/\\/((?:([^\\/?#@]*)@)?(\\[[^\\/?#\\]]+\\]|[^\\/?#:]*)(?:\\:(\\d*))?))?([^?#]*)(?:\\?([^#]*))?(?:#((?:.|\\n|\\r)*))?/i;\nconst NO_MATCH_IS_UNDEFINED = (<RegExpMatchArray>(\"\").match(/(){0}/))[1] === undefined;\n\nexport function parse(uriString:string, options:URIOptions = {}):URIComponents {\n\tconst components:URIComponents = {};\n\tconst protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);\n\n\tif (options.reference === \"suffix\") uriString = (options.scheme ? options.scheme + \":\" : \"\") + \"//\" + uriString;\n\n\tconst matches = uriString.match(URI_PARSE);\n\n\tif (matches) {\n\t\tif (NO_MATCH_IS_UNDEFINED) {\n\t\t\t//store each component\n\t\t\tcomponents.scheme = matches[1];\n\t\t\tcomponents.userinfo = matches[3];\n\t\t\tcomponents.host = matches[4];\n\t\t\tcomponents.port = parseInt(matches[5], 10);\n\t\t\tcomponents.path = matches[6] || \"\";\n\t\t\tcomponents.query = matches[7];\n\t\t\tcomponents.fragment = matches[8];\n\n\t\t\t//fix port number\n\t\t\tif (isNaN(components.port)) {\n\t\t\t\tcomponents.port = matches[5];\n\t\t\t}\n\t\t} else {  //IE FIX for improper RegExp matching\n\t\t\t//store each component\n\t\t\tcomponents.scheme = matches[1] || undefined;\n\t\t\tcomponents.userinfo = (uriString.indexOf(\"@\") !== -1 ? matches[3] : undefined);\n\t\t\tcomponents.host = (uriString.indexOf(\"//\") !== -1 ? matches[4] : undefined);\n\t\t\tcomponents.port = parseInt(matches[5], 10);\n\t\t\tcomponents.path = matches[6] || \"\";\n\t\t\tcomponents.query = (uriString.indexOf(\"?\") !== -1 ? matches[7] : undefined);\n\t\t\tcomponents.fragment = (uriString.indexOf(\"#\") !== -1 ? matches[8] : undefined);\n\n\t\t\t//fix port number\n\t\t\tif (isNaN(components.port)) {\n\t\t\t\tcomponents.port = (uriString.match(/\\/\\/(?:.|\\n)*\\:(?:\\/|\\?|\\#|$)/) ? matches[4] : undefined);\n\t\t\t}\n\t\t}\n\n\t\tif (components.host) {\n\t\t\t//normalize IP hosts\n\t\t\tcomponents.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol);\n\t\t}\n\n\t\t//determine reference type\n\t\tif (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) {\n\t\t\tcomponents.reference = \"same-document\";\n\t\t} else if (components.scheme === undefined) {\n\t\t\tcomponents.reference = \"relative\";\n\t\t} else if (components.fragment === undefined) {\n\t\t\tcomponents.reference = \"absolute\";\n\t\t} else {\n\t\t\tcomponents.reference = \"uri\";\n\t\t}\n\n\t\t//check for reference errors\n\t\tif (options.reference && options.reference !== \"suffix\" && options.reference !== components.reference) {\n\t\t\tcomponents.error = components.error || \"URI is not a \" + options.reference + \" reference.\";\n\t\t}\n\n\t\t//find scheme handler\n\t\tconst schemeHandler = SCHEMES[(options.scheme || components.scheme || \"\").toLowerCase()];\n\n\t\t//check if scheme can't handle IRIs\n\t\tif (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) {\n\t\t\t//if host component is a domain name\n\t\t\tif (components.host && (options.domainHost || (schemeHandler && schemeHandler.domainHost))) {\n\t\t\t\t//convert Unicode IDN -> ASCII IDN\n\t\t\t\ttry {\n\t\t\t\t\tcomponents.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase());\n\t\t\t\t} catch (e) {\n\t\t\t\t\tcomponents.error = components.error || \"Host's domain name can not be converted to ASCII via punycode: \" + e;\n\t\t\t\t}\n\t\t\t}\n\t\t\t//convert IRI -> URI\n\t\t\t_normalizeComponentEncoding(components, URI_PROTOCOL);\n\t\t} else {\n\t\t\t//normalize encodings\n\t\t\t_normalizeComponentEncoding(components, protocol);\n\t\t}\n\n\t\t//perform scheme specific parsing\n\t\tif (schemeHandler && schemeHandler.parse) {\n\t\t\tschemeHandler.parse(components, options);\n\t\t}\n\t} else {\n\t\tcomponents.error = components.error || \"URI can not be parsed.\";\n\t}\n\n\treturn components;\n};\n\nfunction _recomposeAuthority(components:URIComponents, options:URIOptions):string|undefined {\n\tconst protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);\n\tconst uriTokens:Array<string> = [];\n\n\tif (components.userinfo !== undefined) {\n\t\turiTokens.push(components.userinfo);\n\t\turiTokens.push(\"@\");\n\t}\n\n\tif (components.host !== undefined) {\n\t\t//normalize IP hosts, add brackets and escape zone separator for IPv6\n\t\turiTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, (_, $1, $2) => \"[\" + $1 + ($2 ? \"%25\" + $2 : \"\") + \"]\"));\n\t}\n\n\tif (typeof components.port === \"number\" || typeof components.port === \"string\") {\n\t\turiTokens.push(\":\");\n\t\turiTokens.push(String(components.port));\n\t}\n\n\treturn uriTokens.length ? uriTokens.join(\"\") : undefined;\n};\n\nconst RDS1 = /^\\.\\.?\\//;\nconst RDS2 = /^\\/\\.(\\/|$)/;\nconst RDS3 = /^\\/\\.\\.(\\/|$)/;\nconst RDS4 = /^\\.\\.?$/;\nconst RDS5 = /^\\/?(?:.|\\n)*?(?=\\/|$)/;\n\nexport function removeDotSegments(input:string):string {\n\tconst output:Array<string> = [];\n\n\twhile (input.length) {\n\t\tif (input.match(RDS1)) {\n\t\t\tinput = input.replace(RDS1, \"\");\n\t\t} else if (input.match(RDS2)) {\n\t\t\tinput = input.replace(RDS2, \"/\");\n\t\t} else if (input.match(RDS3)) {\n\t\t\tinput = input.replace(RDS3, \"/\");\n\t\t\toutput.pop();\n\t\t} else if (input === \".\" || input === \"..\") {\n\t\t\tinput = \"\";\n\t\t} else {\n\t\t\tconst im = input.match(RDS5);\n\t\t\tif (im) {\n\t\t\t\tconst s = im[0];\n\t\t\t\tinput = input.slice(s.length);\n\t\t\t\toutput.push(s);\n\t\t\t} else {\n\t\t\t\tthrow new Error(\"Unexpected dot segment condition\");\n\t\t\t}\n\t\t}\n\t}\n\n\treturn output.join(\"\");\n};\n\nexport function serialize(components:URIComponents, options:URIOptions = {}):string {\n\tconst protocol = (options.iri ? IRI_PROTOCOL : URI_PROTOCOL);\n\tconst uriTokens:Array<string> = [];\n\n\t//find scheme handler\n\tconst schemeHandler = SCHEMES[(options.scheme || components.scheme || \"\").toLowerCase()];\n\n\t//perform scheme specific serialization\n\tif (schemeHandler && schemeHandler.serialize) schemeHandler.serialize(components, options);\n\n\tif (components.host) {\n\t\t//if host component is an IPv6 address\n\t\tif (protocol.IPV6ADDRESS.test(components.host)) {\n\t\t\t//TODO: normalize IPv6 address as per RFC 5952\n\t\t}\n\n\t\t//if host component is a domain name\n\t\telse if (options.domainHost || (schemeHandler && schemeHandler.domainHost)) {\n\t\t\t//convert IDN via punycode\n\t\t\ttry {\n\t\t\t\tcomponents.host = (!options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host));\n\t\t\t} catch (e) {\n\t\t\t\tcomponents.error = components.error || \"Host's domain name can not be converted to \" + (!options.iri ? \"ASCII\" : \"Unicode\") + \" via punycode: \" + e;\n\t\t\t}\n\t\t}\n\t}\n\n\t//normalize encoding\n\t_normalizeComponentEncoding(components, protocol);\n\n\tif (options.reference !== \"suffix\" && components.scheme) {\n\t\turiTokens.push(components.scheme);\n\t\turiTokens.push(\":\");\n\t}\n\n\tconst authority = _recomposeAuthority(components, options);\n\tif (authority !== undefined) {\n\t\tif (options.reference !== \"suffix\") {\n\t\t\turiTokens.push(\"//\");\n\t\t}\n\n\t\turiTokens.push(authority);\n\n\t\tif (components.path && components.path.charAt(0) !== \"/\") {\n\t\t\turiTokens.push(\"/\");\n\t\t}\n\t}\n\n\tif (components.path !== undefined) {\n\t\tlet s = components.path;\n\n\t\tif (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) {\n\t\t\ts = removeDotSegments(s);\n\t\t}\n\n\t\tif (authority === undefined) {\n\t\t\ts = s.replace(/^\\/\\//, \"/%2F\");  //don't allow the path to start with \"//\"\n\t\t}\n\n\t\turiTokens.push(s);\n\t}\n\n\tif (components.query !== undefined) {\n\t\turiTokens.push(\"?\");\n\t\turiTokens.push(components.query);\n\t}\n\n\tif (components.fragment !== undefined) {\n\t\turiTokens.push(\"#\");\n\t\turiTokens.push(components.fragment);\n\t}\n\n\treturn uriTokens.join(\"\");  //merge tokens into a string\n};\n\nexport function resolveComponents(base:URIComponents, relative:URIComponents, options:URIOptions = {}, skipNormalization?:boolean):URIComponents {\n\tconst target:URIComponents = {};\n\n\tif (!skipNormalization) {\n\t\tbase = parse(serialize(base, options), options);  //normalize base components\n\t\trelative = parse(serialize(relative, options), options);  //normalize relative components\n\t}\n\toptions = options || {};\n\n\tif (!options.tolerant && relative.scheme) {\n\t\ttarget.scheme = relative.scheme;\n\t\t//target.authority = relative.authority;\n\t\ttarget.userinfo = relative.userinfo;\n\t\ttarget.host = relative.host;\n\t\ttarget.port = relative.port;\n\t\ttarget.path = removeDotSegments(relative.path || \"\");\n\t\ttarget.query = relative.query;\n\t} else {\n\t\tif (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) {\n\t\t\t//target.authority = relative.authority;\n\t\t\ttarget.userinfo = relative.userinfo;\n\t\t\ttarget.host = relative.host;\n\t\t\ttarget.port = relative.port;\n\t\t\ttarget.path = removeDotSegments(relative.path || \"\");\n\t\t\ttarget.query = relative.query;\n\t\t} else {\n\t\t\tif (!relative.path) {\n\t\t\t\ttarget.path = base.path;\n\t\t\t\tif (relative.query !== undefined) {\n\t\t\t\t\ttarget.query = relative.query;\n\t\t\t\t} else {\n\t\t\t\t\ttarget.query = base.query;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tif (relative.path.charAt(0) === \"/\") {\n\t\t\t\t\ttarget.path = removeDotSegments(relative.path);\n\t\t\t\t} else {\n\t\t\t\t\tif ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) {\n\t\t\t\t\t\ttarget.path = \"/\" + relative.path;\n\t\t\t\t\t} else if (!base.path) {\n\t\t\t\t\t\ttarget.path = relative.path;\n\t\t\t\t\t} else {\n\t\t\t\t\t\ttarget.path = base.path.slice(0, base.path.lastIndexOf(\"/\") + 1) + relative.path;\n\t\t\t\t\t}\n\t\t\t\t\ttarget.path = removeDotSegments(target.path);\n\t\t\t\t}\n\t\t\t\ttarget.query = relative.query;\n\t\t\t}\n\t\t\t//target.authority = base.authority;\n\t\t\ttarget.userinfo = base.userinfo;\n\t\t\ttarget.host = base.host;\n\t\t\ttarget.port = base.port;\n\t\t}\n\t\ttarget.scheme = base.scheme;\n\t}\n\n\ttarget.fragment = relative.fragment;\n\n\treturn target;\n};\n\nexport function resolve(baseURI:string, relativeURI:string, options?:URIOptions):string {\n\tconst schemelessOptions = assign({ scheme : 'null' }, options);\n\treturn serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions);\n};\n\nexport function normalize(uri:string, options?:URIOptions):string;\nexport function normalize(uri:URIComponents, options?:URIOptions):URIComponents;\nexport function normalize(uri:any, options?:URIOptions):any {\n\tif (typeof uri === \"string\") {\n\t\turi = serialize(parse(uri, options), options);\n\t} else if (typeOf(uri) === \"object\") {\n\t\turi = parse(serialize(<URIComponents>uri, options), options);\n\t}\n\n\treturn uri;\n};\n\nexport function equal(uriA:string, uriB:string, options?: URIOptions):boolean;\nexport function equal(uriA:URIComponents, uriB:URIComponents, options?:URIOptions):boolean;\nexport function equal(uriA:any, uriB:any, options?:URIOptions):boolean {\n\tif (typeof uriA === \"string\") {\n\t\turiA = serialize(parse(uriA, options), options);\n\t} else if (typeOf(uriA) === \"object\") {\n\t\turiA = serialize(<URIComponents>uriA, options);\n\t}\n\n\tif (typeof uriB === \"string\") {\n\t\turiB = serialize(parse(uriB, options), options);\n\t} else if (typeOf(uriB) === \"object\") {\n\t\turiB = serialize(<URIComponents>uriB, options);\n\t}\n\n\treturn uriA === uriB;\n};\n\nexport function escapeComponent(str:string, options?:URIOptions):string {\n\treturn str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE), pctEncChar);\n};\n\nexport function unescapeComponent(str:string, options?:URIOptions):string {\n\treturn str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED), pctDecChars);\n};\n","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\n\nexport interface WSComponents extends URIComponents {\n\tresourceName?: string;\n\tsecure?: boolean;\n}\n\nfunction isSecure(wsComponents:WSComponents):boolean {\n\treturn typeof wsComponents.secure === 'boolean' ? wsComponents.secure : String(wsComponents.scheme).toLowerCase() === \"wss\";\n}\n\n//RFC 6455\nconst handler:URISchemeHandler = {\n\tscheme : \"ws\",\n\n\tdomainHost : true,\n\n\tparse : function (components:URIComponents, options:URIOptions):WSComponents {\n\t\tconst wsComponents = components as WSComponents;\n\n\t\t//indicate if the secure flag is set\n\t\twsComponents.secure = isSecure(wsComponents);\n\n\t\t//construct resouce name\n\t\twsComponents.resourceName = (wsComponents.path || '/') + (wsComponents.query ? '?' + wsComponents.query : '');\n\t\twsComponents.path = undefined;\n\t\twsComponents.query = undefined;\n\n\t\treturn wsComponents;\n\t},\n\n\tserialize : function (wsComponents:WSComponents, options:URIOptions):URIComponents {\n\t\t//normalize the default port\n\t\tif (wsComponents.port === (isSecure(wsComponents) ? 443 : 80) || wsComponents.port === \"\") {\n\t\t\twsComponents.port = undefined;\n\t\t}\n\n\t\t//ensure scheme matches secure flag\n\t\tif (typeof wsComponents.secure === 'boolean') {\n\t\t\twsComponents.scheme = (wsComponents.secure ? 'wss' : 'ws');\n\t\t\twsComponents.secure = undefined;\n\t\t}\n\n\t\t//reconstruct path from resource name\n\t\tif (wsComponents.resourceName) {\n\t\t\tconst [path, query] = wsComponents.resourceName.split('?');\n\t\t\twsComponents.path = (path && path !== '/' ? path : undefined);\n\t\t\twsComponents.query = query;\n\t\t\twsComponents.resourceName = undefined;\n\t\t}\n\n\t\t//forbid fragment component\n\t\twsComponents.fragment = undefined;\n\n\t\treturn wsComponents;\n\t}\n};\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport { pctEncChar, pctDecChars, unescapeComponent } from \"../uri\";\nimport punycode from \"punycode\";\nimport { merge, subexp, toUpperCase, toArray } from \"../util\";\n\nexport interface MailtoHeaders {\n\t[hfname:string]:string\n}\n\nexport interface MailtoComponents extends URIComponents {\n\tto:Array<string>,\n\theaders?:MailtoHeaders,\n\tsubject?:string,\n\tbody?:string\n}\n\nconst O:MailtoHeaders = {};\nconst isIRI = true;\n\n//RFC 3986\nconst UNRESERVED$$ = \"[A-Za-z0-9\\\\-\\\\.\\\\_\\\\~\" + (isIRI ? \"\\\\xA0-\\\\u200D\\\\u2010-\\\\u2029\\\\u202F-\\\\uD7FF\\\\uF900-\\\\uFDCF\\\\uFDF0-\\\\uFFEF\" : \"\") + \"]\";\nconst HEXDIG$$ = \"[0-9A-Fa-f]\";  //case-insensitive\nconst PCT_ENCODED$ = subexp(subexp(\"%[EFef]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%[89A-Fa-f]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%\" + HEXDIG$$ + HEXDIG$$));  //expanded\n\n//RFC 5322, except these symbols as per RFC 6068: @ : / ? # [ ] & ; =\n//const ATEXT$$ = \"[A-Za-z0-9\\\\!\\\\#\\\\$\\\\%\\\\&\\\\'\\\\*\\\\+\\\\-\\\\/\\\\=\\\\?\\\\^\\\\_\\\\`\\\\{\\\\|\\\\}\\\\~]\";\n//const WSP$$ = \"[\\\\x20\\\\x09]\";\n//const OBS_QTEXT$$ = \"[\\\\x01-\\\\x08\\\\x0B\\\\x0C\\\\x0E-\\\\x1F\\\\x7F]\";  //(%d1-8 / %d11-12 / %d14-31 / %d127)\n//const QTEXT$$ = merge(\"[\\\\x21\\\\x23-\\\\x5B\\\\x5D-\\\\x7E]\", OBS_QTEXT$$);  //%d33 / %d35-91 / %d93-126 / obs-qtext\n//const VCHAR$$ = \"[\\\\x21-\\\\x7E]\";\n//const WSP$$ = \"[\\\\x20\\\\x09]\";\n//const OBS_QP$ = subexp(\"\\\\\\\\\" + merge(\"[\\\\x00\\\\x0D\\\\x0A]\", OBS_QTEXT$$));  //%d0 / CR / LF / obs-qtext\n//const FWS$ = subexp(subexp(WSP$$ + \"*\" + \"\\\\x0D\\\\x0A\") + \"?\" + WSP$$ + \"+\");\n//const QUOTED_PAIR$ = subexp(subexp(\"\\\\\\\\\" + subexp(VCHAR$$ + \"|\" + WSP$$)) + \"|\" + OBS_QP$);\n//const QUOTED_STRING$ = subexp('\\\\\"' + subexp(FWS$ + \"?\" + QCONTENT$) + \"*\" + FWS$ + \"?\" + '\\\\\"');\nconst ATEXT$$ = \"[A-Za-z0-9\\\\!\\\\$\\\\%\\\\'\\\\*\\\\+\\\\-\\\\^\\\\_\\\\`\\\\{\\\\|\\\\}\\\\~]\";\nconst QTEXT$$ = \"[\\\\!\\\\$\\\\%\\\\'\\\\(\\\\)\\\\*\\\\+\\\\,\\\\-\\\\.0-9\\\\<\\\\>A-Z\\\\x5E-\\\\x7E]\";\nconst VCHAR$$ = merge(QTEXT$$, \"[\\\\\\\"\\\\\\\\]\");\nconst DOT_ATOM_TEXT$ = subexp(ATEXT$$ + \"+\" + subexp(\"\\\\.\" + ATEXT$$ + \"+\") + \"*\");\nconst QUOTED_PAIR$ = subexp(\"\\\\\\\\\" + VCHAR$$);\nconst QCONTENT$ = subexp(QTEXT$$ + \"|\" + QUOTED_PAIR$);\nconst QUOTED_STRING$ = subexp('\\\\\"' + QCONTENT$ + \"*\" + '\\\\\"');\n\n//RFC 6068\nconst DTEXT_NO_OBS$$ = \"[\\\\x21-\\\\x5A\\\\x5E-\\\\x7E]\";  //%d33-90 / %d94-126\nconst SOME_DELIMS$$ = \"[\\\\!\\\\$\\\\'\\\\(\\\\)\\\\*\\\\+\\\\,\\\\;\\\\:\\\\@]\";\nconst QCHAR$ = subexp(UNRESERVED$$ + \"|\" + PCT_ENCODED$ + \"|\" + SOME_DELIMS$$);\nconst DOMAIN$ = subexp(DOT_ATOM_TEXT$ + \"|\" + \"\\\\[\" + DTEXT_NO_OBS$$ + \"*\" + \"\\\\]\");\nconst LOCAL_PART$ = subexp(DOT_ATOM_TEXT$ + \"|\" + QUOTED_STRING$);\nconst ADDR_SPEC$ = subexp(LOCAL_PART$ + \"\\\\@\" + DOMAIN$);\nconst TO$ = subexp(ADDR_SPEC$ + subexp(\"\\\\,\" + ADDR_SPEC$) + \"*\");\nconst HFNAME$ = subexp(QCHAR$ + \"*\");\nconst HFVALUE$ = HFNAME$;\nconst HFIELD$ = subexp(HFNAME$ + \"\\\\=\" + HFVALUE$);\nconst HFIELDS2$ = subexp(HFIELD$ + subexp(\"\\\\&\" + HFIELD$) + \"*\");\nconst HFIELDS$ = subexp(\"\\\\?\" + HFIELDS2$);\nconst MAILTO_URI = new RegExp(\"^mailto\\\\:\" + TO$ + \"?\" + HFIELDS$ + \"?$\");\n\nconst UNRESERVED = new RegExp(UNRESERVED$$, \"g\");\nconst PCT_ENCODED = new RegExp(PCT_ENCODED$, \"g\");\nconst NOT_LOCAL_PART = new RegExp(merge(\"[^]\", ATEXT$$, \"[\\\\.]\", '[\\\\\"]', VCHAR$$), \"g\");\nconst NOT_DOMAIN = new RegExp(merge(\"[^]\", ATEXT$$, \"[\\\\.]\", \"[\\\\[]\", DTEXT_NO_OBS$$, \"[\\\\]]\"), \"g\");\nconst NOT_HFNAME = new RegExp(merge(\"[^]\", UNRESERVED$$, SOME_DELIMS$$), \"g\");\nconst NOT_HFVALUE = NOT_HFNAME;\nconst TO = new RegExp(\"^\" + TO$ + \"$\");\nconst HFIELDS = new RegExp(\"^\" + HFIELDS2$ + \"$\");\n\nfunction decodeUnreserved(str:string):string {\n\tconst decStr = pctDecChars(str);\n\treturn (!decStr.match(UNRESERVED) ? str : decStr);\n}\n\nconst handler:URISchemeHandler<MailtoComponents> =  {\n\tscheme : \"mailto\",\n\n\tparse : function (components:URIComponents, options:URIOptions):MailtoComponents {\n\t\tconst mailtoComponents = components as MailtoComponents;\n\t\tconst to = mailtoComponents.to = (mailtoComponents.path ? mailtoComponents.path.split(\",\") : []);\n\t\tmailtoComponents.path = undefined;\n\n\t\tif (mailtoComponents.query) {\n\t\t\tlet unknownHeaders = false\n\t\t\tconst headers:MailtoHeaders = {};\n\t\t\tconst hfields = mailtoComponents.query.split(\"&\");\n\n\t\t\tfor (let x = 0, xl = hfields.length; x < xl; ++x) {\n\t\t\t\tconst hfield = hfields[x].split(\"=\");\n\n\t\t\t\tswitch (hfield[0]) {\n\t\t\t\t\tcase \"to\":\n\t\t\t\t\t\tconst toAddrs = hfield[1].split(\",\");\n\t\t\t\t\t\tfor (let x = 0, xl = toAddrs.length; x < xl; ++x) {\n\t\t\t\t\t\t\tto.push(toAddrs[x]);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase \"subject\":\n\t\t\t\t\t\tmailtoComponents.subject = unescapeComponent(hfield[1], options);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase \"body\":\n\t\t\t\t\t\tmailtoComponents.body = unescapeComponent(hfield[1], options);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tunknownHeaders = true;\n\t\t\t\t\t\theaders[unescapeComponent(hfield[0], options)] = unescapeComponent(hfield[1], options);\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (unknownHeaders) mailtoComponents.headers = headers;\n\t\t}\n\n\t\tmailtoComponents.query = undefined;\n\n\t\tfor (let x = 0, xl = to.length; x < xl; ++x) {\n\t\t\tconst addr = to[x].split(\"@\");\n\n\t\t\taddr[0] = unescapeComponent(addr[0]);\n\n\t\t\tif (!options.unicodeSupport) {\n\t\t\t\t//convert Unicode IDN -> ASCII IDN\n\t\t\t\ttry {\n\t\t\t\t\taddr[1] = punycode.toASCII(unescapeComponent(addr[1], options).toLowerCase());\n\t\t\t\t} catch (e) {\n\t\t\t\t\tmailtoComponents.error = mailtoComponents.error || \"Email address's domain name can not be converted to ASCII via punycode: \" + e;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\taddr[1] = unescapeComponent(addr[1], options).toLowerCase();\n\t\t\t}\n\n\t\t\tto[x] = addr.join(\"@\");\n\t\t}\n\n\t\treturn mailtoComponents;\n\t},\n\n\tserialize : function (mailtoComponents:MailtoComponents, options:URIOptions):URIComponents {\n\t\tconst components = mailtoComponents as URIComponents;\n\t\tconst to = toArray(mailtoComponents.to);\n\t\tif (to) {\n\t\t\tfor (let x = 0, xl = to.length; x < xl; ++x) {\n\t\t\t\tconst toAddr = String(to[x]);\n\t\t\t\tconst atIdx = toAddr.lastIndexOf(\"@\");\n\t\t\t\tconst localPart = (toAddr.slice(0, atIdx)).replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_LOCAL_PART, pctEncChar);\n\t\t\t\tlet domain = toAddr.slice(atIdx + 1);\n\n\t\t\t\t//convert IDN via punycode\n\t\t\t\ttry {\n\t\t\t\t\tdomain = (!options.iri ? punycode.toASCII(unescapeComponent(domain, options).toLowerCase()) : punycode.toUnicode(domain));\n\t\t\t\t} catch (e) {\n\t\t\t\t\tcomponents.error = components.error || \"Email address's domain name can not be converted to \" + (!options.iri ? \"ASCII\" : \"Unicode\") + \" via punycode: \" + e;\n\t\t\t\t}\n\n\t\t\t\tto[x] = localPart + \"@\" + domain;\n\t\t\t}\n\n\t\t\tcomponents.path = to.join(\",\");\n\t\t}\n\n\t\tconst headers = mailtoComponents.headers = mailtoComponents.headers || {};\n\n\t\tif (mailtoComponents.subject) headers[\"subject\"] = mailtoComponents.subject;\n\t\tif (mailtoComponents.body) headers[\"body\"] = mailtoComponents.body;\n\n\t\tconst fields = [];\n\t\tfor (const name in headers) {\n\t\t\tif (headers[name] !== O[name]) {\n\t\t\t\tfields.push(\n\t\t\t\t\tname.replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFNAME, pctEncChar) +\n\t\t\t\t\t\"=\" +\n\t\t\t\t\theaders[name].replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFVALUE, pctEncChar)\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\t\tif (fields.length) {\n\t\t\tcomponents.query = fields.join(\"&\");\n\t\t}\n\n\t\treturn components;\n\t}\n}\n\nexport default handler;","import { URIRegExps } from \"./uri\";\nimport { buildExps } from \"./regexps-uri\";\n\nexport default buildExps(true);\n","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\n\nconst handler:URISchemeHandler = {\n\tscheme : \"http\",\n\n\tdomainHost : true,\n\n\tparse : function (components:URIComponents, options:URIOptions):URIComponents {\n\t\t//report missing host\n\t\tif (!components.host) {\n\t\t\tcomponents.error = components.error || \"HTTP URIs must have a host.\";\n\t\t}\n\n\t\treturn components;\n\t},\n\n\tserialize : function (components:URIComponents, options:URIOptions):URIComponents {\n\t\tconst secure = String(components.scheme).toLowerCase() === \"https\";\n\n\t\t//normalize the default port\n\t\tif (components.port === (secure ? 443 : 80) || components.port === \"\") {\n\t\t\tcomponents.port = undefined;\n\t\t}\n\t\t\n\t\t//normalize the empty path\n\t\tif (!components.path) {\n\t\t\tcomponents.path = \"/\";\n\t\t}\n\n\t\t//NOTE: We do not parse query strings for HTTP URIs\n\t\t//as WWW Form Url Encoded query strings are part of the HTML4+ spec,\n\t\t//and not the HTTP spec.\n\n\t\treturn components;\n\t}\n};\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport http from \"./http\";\n\nconst handler:URISchemeHandler = {\n\tscheme : \"https\",\n\tdomainHost : http.domainHost,\n\tparse : http.parse,\n\tserialize : http.serialize\n}\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport ws from \"./ws\";\n\nconst handler:URISchemeHandler = {\n\tscheme : \"wss\",\n\tdomainHost : ws.domainHost,\n\tparse : ws.parse,\n\tserialize : ws.serialize\n}\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport { pctEncChar, SCHEMES } from \"../uri\";\n\nexport interface URNComponents extends URIComponents {\n\tnid?:string;\n\tnss?:string;\n}\n\nexport interface URNOptions extends URIOptions {\n\tnid?:string;\n}\n\nconst NID$ = \"(?:[0-9A-Za-z][0-9A-Za-z\\\\-]{1,31})\";\nconst PCT_ENCODED$ = \"(?:\\\\%[0-9A-Fa-f]{2})\";\nconst TRANS$$ = \"[0-9A-Za-z\\\\(\\\\)\\\\+\\\\,\\\\-\\\\.\\\\:\\\\=\\\\@\\\\;\\\\$\\\\_\\\\!\\\\*\\\\'\\\\/\\\\?\\\\#]\";\nconst NSS$ = \"(?:(?:\" + PCT_ENCODED$ + \"|\" + TRANS$$ + \")+)\";\nconst URN_SCHEME = new RegExp(\"^urn\\\\:(\" + NID$ + \")$\");\nconst URN_PATH = new RegExp(\"^(\" + NID$ + \")\\\\:(\" + NSS$ + \")$\");\nconst URN_PARSE = /^([^\\:]+)\\:(.*)/;\nconst URN_EXCLUDED = /[\\x00-\\x20\\\\\\\"\\&\\<\\>\\[\\]\\^\\`\\{\\|\\}\\~\\x7F-\\xFF]/g;\n\n//RFC 2141\nconst handler:URISchemeHandler<URNComponents,URNOptions> = {\n\tscheme : \"urn\",\n\n\tparse : function (components:URIComponents, options:URNOptions):URNComponents {\n\t\tconst matches = components.path && components.path.match(URN_PARSE);\n\t\tlet urnComponents = components as URNComponents;\n\n\t\tif (matches) {\n\t\t\tconst scheme = options.scheme || urnComponents.scheme || \"urn\";\n\t\t\tconst nid = matches[1].toLowerCase();\n\t\t\tconst nss = matches[2];\n\t\t\tconst urnScheme = `${scheme}:${options.nid || nid}`;\n\t\t\tconst schemeHandler = SCHEMES[urnScheme];\n\n\t\t\turnComponents.nid = nid;\n\t\t\turnComponents.nss = nss;\n\t\t\turnComponents.path = undefined;\n\n\t\t\tif (schemeHandler) {\n\t\t\t\turnComponents = schemeHandler.parse(urnComponents, options) as URNComponents;\n\t\t\t}\n\t\t} else {\n\t\t\turnComponents.error = urnComponents.error || \"URN can not be parsed.\";\n\t\t}\n\n\t\treturn urnComponents;\n\t},\n\n\tserialize : function (urnComponents:URNComponents, options:URNOptions):URIComponents {\n\t\tconst scheme = options.scheme || urnComponents.scheme || \"urn\";\n\t\tconst nid = urnComponents.nid;\n\t\tconst urnScheme = `${scheme}:${options.nid || nid}`;\n\t\tconst schemeHandler = SCHEMES[urnScheme];\n\n\t\tif (schemeHandler) {\n\t\t\turnComponents = schemeHandler.serialize(urnComponents, options) as URNComponents;\n\t\t}\n\n\t\tconst uriComponents = urnComponents as URIComponents;\n\t\tconst nss = urnComponents.nss;\n\t\turiComponents.path = `${nid || options.nid}:${nss}`;\n\n\t\treturn uriComponents;\n\t},\n};\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport { URNComponents } from \"./urn\";\nimport { SCHEMES } from \"../uri\";\n\nexport interface UUIDComponents extends URNComponents {\n\tuuid?: string;\n}\n\nconst UUID = /^[0-9A-Fa-f]{8}(?:\\-[0-9A-Fa-f]{4}){3}\\-[0-9A-Fa-f]{12}$/;\nconst UUID_PARSE = /^[0-9A-Fa-f\\-]{36}/;\n\n//RFC 4122\nconst handler:URISchemeHandler<UUIDComponents, URIOptions, URNComponents> = {\n\tscheme : \"urn:uuid\",\n\n\tparse : function (urnComponents:URNComponents, options:URIOptions):UUIDComponents {\n\t\tconst uuidComponents = urnComponents as UUIDComponents;\n\t\tuuidComponents.uuid = uuidComponents.nss;\n\t\tuuidComponents.nss = undefined;\n\n\t\tif (!options.tolerant && (!uuidComponents.uuid || !uuidComponents.uuid.match(UUID))) {\n\t\t\tuuidComponents.error = uuidComponents.error || \"UUID is not valid.\";\n\t\t}\n\n\t\treturn uuidComponents;\n\t},\n\n\tserialize : function (uuidComponents:UUIDComponents, options:URIOptions):URNComponents {\n\t\tconst urnComponents = uuidComponents as URNComponents;\n\t\t//normalize UUID\n\t\turnComponents.nss = (uuidComponents.uuid || \"\").toLowerCase();\n\t\treturn urnComponents;\n\t},\n};\n\nexport default handler;","import { SCHEMES } from \"./uri\";\n\nimport http from \"./schemes/http\";\nSCHEMES[http.scheme] = http;\n\nimport https from \"./schemes/https\";\nSCHEMES[https.scheme] = https;\n\nimport ws from \"./schemes/ws\";\nSCHEMES[ws.scheme] = ws;\n\nimport wss from \"./schemes/wss\";\nSCHEMES[wss.scheme] = wss;\n\nimport mailto from \"./schemes/mailto\";\nSCHEMES[mailto.scheme] = mailto;\n\nimport urn from \"./schemes/urn\";\nSCHEMES[urn.scheme] = urn;\n\nimport uuid from \"./schemes/urn-uuid\";\nSCHEMES[uuid.scheme] = uuid;\n\nexport * from \"./uri\";\n"]}
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/index.d.ts b/node_modules/uri-js/dist/esnext/index.d.ts
new file mode 100644
index 000000000..f6be76034
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/index.d.ts
@@ -0,0 +1 @@
+export * from "./uri";
diff --git a/node_modules/uri-js/dist/esnext/index.js b/node_modules/uri-js/dist/esnext/index.js
new file mode 100644
index 000000000..e3531b5b6
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/index.js
@@ -0,0 +1,17 @@
+import { SCHEMES } from "./uri";
+import http from "./schemes/http";
+SCHEMES[http.scheme] = http;
+import https from "./schemes/https";
+SCHEMES[https.scheme] = https;
+import ws from "./schemes/ws";
+SCHEMES[ws.scheme] = ws;
+import wss from "./schemes/wss";
+SCHEMES[wss.scheme] = wss;
+import mailto from "./schemes/mailto";
+SCHEMES[mailto.scheme] = mailto;
+import urn from "./schemes/urn";
+SCHEMES[urn.scheme] = urn;
+import uuid from "./schemes/urn-uuid";
+SCHEMES[uuid.scheme] = uuid;
+export * from "./uri";
+//# sourceMappingURL=index.js.map
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/index.js.map b/node_modules/uri-js/dist/esnext/index.js.map
new file mode 100644
index 000000000..0971f6ebc
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/index.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/index.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,OAAO,EAAE,MAAM,OAAO,CAAC;AAEhC,OAAO,IAAI,MAAM,gBAAgB,CAAC;AAClC,OAAO,CAAC,IAAI,CAAC,MAAM,CAAC,GAAG,IAAI,CAAC;AAE5B,OAAO,KAAK,MAAM,iBAAiB,CAAC;AACpC,OAAO,CAAC,KAAK,CAAC,MAAM,CAAC,GAAG,KAAK,CAAC;AAE9B,OAAO,EAAE,MAAM,cAAc,CAAC;AAC9B,OAAO,CAAC,EAAE,CAAC,MAAM,CAAC,GAAG,EAAE,CAAC;AAExB,OAAO,GAAG,MAAM,eAAe,CAAC;AAChC,OAAO,CAAC,GAAG,CAAC,MAAM,CAAC,GAAG,GAAG,CAAC;AAE1B,OAAO,MAAM,MAAM,kBAAkB,CAAC;AACtC,OAAO,CAAC,MAAM,CAAC,MAAM,CAAC,GAAG,MAAM,CAAC;AAEhC,OAAO,GAAG,MAAM,eAAe,CAAC;AAChC,OAAO,CAAC,GAAG,CAAC,MAAM,CAAC,GAAG,GAAG,CAAC;AAE1B,OAAO,IAAI,MAAM,oBAAoB,CAAC;AACtC,OAAO,CAAC,IAAI,CAAC,MAAM,CAAC,GAAG,IAAI,CAAC;AAE5B,cAAc,OAAO,CAAC"}
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/regexps-iri.d.ts b/node_modules/uri-js/dist/esnext/regexps-iri.d.ts
new file mode 100644
index 000000000..c91cdacbc
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/regexps-iri.d.ts
@@ -0,0 +1,3 @@
+import { URIRegExps } from "./uri";
+declare const _default: URIRegExps;
+export default _default;
diff --git a/node_modules/uri-js/dist/esnext/regexps-iri.js b/node_modules/uri-js/dist/esnext/regexps-iri.js
new file mode 100644
index 000000000..34e7de989
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/regexps-iri.js
@@ -0,0 +1,3 @@
+import { buildExps } from "./regexps-uri";
+export default buildExps(true);
+//# sourceMappingURL=regexps-iri.js.map
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/regexps-iri.js.map b/node_modules/uri-js/dist/esnext/regexps-iri.js.map
new file mode 100644
index 000000000..2269c580c
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/regexps-iri.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"regexps-iri.js","sourceRoot":"","sources":["../../src/regexps-iri.ts"],"names":[],"mappings":"AACA,OAAO,EAAE,SAAS,EAAE,MAAM,eAAe,CAAC;AAE1C,eAAe,SAAS,CAAC,IAAI,CAAC,CAAC"}
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/regexps-uri.d.ts b/node_modules/uri-js/dist/esnext/regexps-uri.d.ts
new file mode 100644
index 000000000..6096bda5c
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/regexps-uri.d.ts
@@ -0,0 +1,4 @@
+import { URIRegExps } from "./uri";
+export declare function buildExps(isIRI: boolean): URIRegExps;
+declare const _default: URIRegExps;
+export default _default;
diff --git a/node_modules/uri-js/dist/esnext/regexps-uri.js b/node_modules/uri-js/dist/esnext/regexps-uri.js
new file mode 100644
index 000000000..1cc659f13
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/regexps-uri.js
@@ -0,0 +1,42 @@
+import { merge, subexp } from "./util";
+export function buildExps(isIRI) {
+    const ALPHA$$ = "[A-Za-z]", CR$ = "[\\x0D]", DIGIT$$ = "[0-9]", DQUOTE$$ = "[\\x22]", HEXDIG$$ = merge(DIGIT$$, "[A-Fa-f]"), //case-insensitive
+    LF$$ = "[\\x0A]", SP$$ = "[\\x20]", PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)), //expanded
+    GEN_DELIMS$$ = "[\\:\\/\\?\\#\\[\\]\\@]", SUB_DELIMS$$ = "[\\!\\$\\&\\'\\(\\)\\*\\+\\,\\;\\=]", RESERVED$$ = merge(GEN_DELIMS$$, SUB_DELIMS$$), UCSCHAR$$ = isIRI ? "[\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]" : "[]", //subset, excludes bidi control characters
+    IPRIVATE$$ = isIRI ? "[\\uE000-\\uF8FF]" : "[]", //subset
+    UNRESERVED$$ = merge(ALPHA$$, DIGIT$$, "[\\-\\.\\_\\~]", UCSCHAR$$), SCHEME$ = subexp(ALPHA$$ + merge(ALPHA$$, DIGIT$$, "[\\+\\-\\.]") + "*"), USERINFO$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]")) + "*"), DEC_OCTET$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("[1-9]" + DIGIT$$) + "|" + DIGIT$$), DEC_OCTET_RELAXED$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("0?[1-9]" + DIGIT$$) + "|0?0?" + DIGIT$$), //relaxed parsing rules
+    IPV4ADDRESS$ = subexp(DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$), H16$ = subexp(HEXDIG$$ + "{1,4}"), LS32$ = subexp(subexp(H16$ + "\\:" + H16$) + "|" + IPV4ADDRESS$), IPV6ADDRESS1$ = subexp(subexp(H16$ + "\\:") + "{6}" + LS32$), //                           6( h16 ":" ) ls32
+    IPV6ADDRESS2$ = subexp("\\:\\:" + subexp(H16$ + "\\:") + "{5}" + LS32$), //                      "::" 5( h16 ":" ) ls32
+    IPV6ADDRESS3$ = subexp(subexp(H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{4}" + LS32$), //[               h16 ] "::" 4( h16 ":" ) ls32
+    IPV6ADDRESS4$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,1}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{3}" + LS32$), //[ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32
+    IPV6ADDRESS5$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,2}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{2}" + LS32$), //[ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32
+    IPV6ADDRESS6$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,3}" + H16$) + "?\\:\\:" + H16$ + "\\:" + LS32$), //[ *3( h16 ":" ) h16 ] "::"    h16 ":"   ls32
+    IPV6ADDRESS7$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,4}" + H16$) + "?\\:\\:" + LS32$), //[ *4( h16 ":" ) h16 ] "::"              ls32
+    IPV6ADDRESS8$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,5}" + H16$) + "?\\:\\:" + H16$), //[ *5( h16 ":" ) h16 ] "::"              h16
+    IPV6ADDRESS9$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,6}" + H16$) + "?\\:\\:"), //[ *6( h16 ":" ) h16 ] "::"
+    IPV6ADDRESS$ = subexp([IPV6ADDRESS1$, IPV6ADDRESS2$, IPV6ADDRESS3$, IPV6ADDRESS4$, IPV6ADDRESS5$, IPV6ADDRESS6$, IPV6ADDRESS7$, IPV6ADDRESS8$, IPV6ADDRESS9$].join("|")), ZONEID$ = subexp(subexp(UNRESERVED$$ + "|" + PCT_ENCODED$) + "+"), //RFC 6874
+    IPV6ADDRZ$ = subexp(IPV6ADDRESS$ + "\\%25" + ZONEID$), //RFC 6874
+    IPV6ADDRZ_RELAXED$ = subexp(IPV6ADDRESS$ + subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + ZONEID$), //RFC 6874, with relaxed parsing rules
+    IPVFUTURE$ = subexp("[vV]" + HEXDIG$$ + "+\\." + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]") + "+"), IP_LITERAL$ = subexp("\\[" + subexp(IPV6ADDRZ_RELAXED$ + "|" + IPV6ADDRESS$ + "|" + IPVFUTURE$) + "\\]"), //RFC 6874
+    REG_NAME$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$)) + "*"), HOST$ = subexp(IP_LITERAL$ + "|" + IPV4ADDRESS$ + "(?!" + REG_NAME$ + ")" + "|" + REG_NAME$), PORT$ = subexp(DIGIT$$ + "*"), AUTHORITY$ = subexp(subexp(USERINFO$ + "@") + "?" + HOST$ + subexp("\\:" + PORT$) + "?"), PCHAR$ = subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@]")), SEGMENT$ = subexp(PCHAR$ + "*"), SEGMENT_NZ$ = subexp(PCHAR$ + "+"), SEGMENT_NZ_NC$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\@]")) + "+"), PATH_ABEMPTY$ = subexp(subexp("\\/" + SEGMENT$) + "*"), PATH_ABSOLUTE$ = subexp("\\/" + subexp(SEGMENT_NZ$ + PATH_ABEMPTY$) + "?"), //simplified
+    PATH_NOSCHEME$ = subexp(SEGMENT_NZ_NC$ + PATH_ABEMPTY$), //simplified
+    PATH_ROOTLESS$ = subexp(SEGMENT_NZ$ + PATH_ABEMPTY$), //simplified
+    PATH_EMPTY$ = "(?!" + PCHAR$ + ")", PATH$ = subexp(PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$), QUERY$ = subexp(subexp(PCHAR$ + "|" + merge("[\\/\\?]", IPRIVATE$$)) + "*"), FRAGMENT$ = subexp(subexp(PCHAR$ + "|[\\/\\?]") + "*"), HIER_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$), URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"), RELATIVE_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$), RELATIVE$ = subexp(RELATIVE_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"), URI_REFERENCE$ = subexp(URI$ + "|" + RELATIVE$), ABSOLUTE_URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?"), GENERIC_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$", RELATIVE_REF$ = "^(){0}" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$", ABSOLUTE_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?$", SAMEDOC_REF$ = "^" + subexp("\\#(" + FRAGMENT$ + ")") + "?$", AUTHORITY_REF$ = "^" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?$";
+    return {
+        NOT_SCHEME: new RegExp(merge("[^]", ALPHA$$, DIGIT$$, "[\\+\\-\\.]"), "g"),
+        NOT_USERINFO: new RegExp(merge("[^\\%\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        NOT_HOST: new RegExp(merge("[^\\%\\[\\]\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        NOT_PATH: new RegExp(merge("[^\\%\\/\\:\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        NOT_PATH_NOSCHEME: new RegExp(merge("[^\\%\\/\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        NOT_QUERY: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]", IPRIVATE$$), "g"),
+        NOT_FRAGMENT: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]"), "g"),
+        ESCAPE: new RegExp(merge("[^]", UNRESERVED$$, SUB_DELIMS$$), "g"),
+        UNRESERVED: new RegExp(UNRESERVED$$, "g"),
+        OTHER_CHARS: new RegExp(merge("[^\\%]", UNRESERVED$$, RESERVED$$), "g"),
+        PCT_ENCODED: new RegExp(PCT_ENCODED$, "g"),
+        IPV4ADDRESS: new RegExp("^(" + IPV4ADDRESS$ + ")$"),
+        IPV6ADDRESS: new RegExp("^\\[?(" + IPV6ADDRESS$ + ")" + subexp(subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + "(" + ZONEID$ + ")") + "?\\]?$") //RFC 6874, with relaxed parsing rules
+    };
+}
+export default buildExps(false);
+//# sourceMappingURL=regexps-uri.js.map
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/regexps-uri.js.map b/node_modules/uri-js/dist/esnext/regexps-uri.js.map
new file mode 100644
index 000000000..cb028b804
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/regexps-uri.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"regexps-uri.js","sourceRoot":"","sources":["../../src/regexps-uri.ts"],"names":[],"mappings":"AACA,OAAO,EAAE,KAAK,EAAE,MAAM,EAAE,MAAM,QAAQ,CAAC;AAEvC,MAAM,oBAAoB,KAAa;IACtC,MACC,OAAO,GAAG,UAAU,EACpB,GAAG,GAAG,SAAS,EACf,OAAO,GAAG,OAAO,EACjB,QAAQ,GAAG,SAAS,EACpB,QAAQ,GAAG,KAAK,CAAC,OAAO,EAAE,UAAU,CAAC,EAAG,kBAAkB;IAC1D,IAAI,GAAG,SAAS,EAChB,IAAI,GAAG,SAAS,EAChB,YAAY,GAAG,MAAM,CAAC,MAAM,CAAC,SAAS,GAAG,QAAQ,GAAG,GAAG,GAAG,QAAQ,GAAG,QAAQ,GAAG,GAAG,GAAG,QAAQ,GAAG,QAAQ,CAAC,GAAG,GAAG,GAAG,MAAM,CAAC,aAAa,GAAG,QAAQ,GAAG,GAAG,GAAG,QAAQ,GAAG,QAAQ,CAAC,GAAG,GAAG,GAAG,MAAM,CAAC,GAAG,GAAG,QAAQ,GAAG,QAAQ,CAAC,CAAC,EAAG,UAAU;IACvO,YAAY,GAAG,yBAAyB,EACxC,YAAY,GAAG,qCAAqC,EACpD,UAAU,GAAG,KAAK,CAAC,YAAY,EAAE,YAAY,CAAC,EAC9C,SAAS,GAAG,KAAK,CAAC,CAAC,CAAC,6EAA6E,CAAC,CAAC,CAAC,IAAI,EAAG,0CAA0C;IACrJ,UAAU,GAAG,KAAK,CAAC,CAAC,CAAC,mBAAmB,CAAC,CAAC,CAAC,IAAI,EAAG,QAAQ;IAC1D,YAAY,GAAG,KAAK,CAAC,OAAO,EAAE,OAAO,EAAE,gBAAgB,EAAE,SAAS,CAAC,EACnE,OAAO,GAAG,MAAM,CAAC,OAAO,GAAG,KAAK,CAAC,OAAO,EAAE,OAAO,EAAE,aAAa,CAAC,GAAG,GAAG,CAAC,EACxE,SAAS,GAAG,MAAM,CAAC,MAAM,CAAC,YAAY,GAAG,GAAG,GAAG,KAAK,CAAC,YAAY,EAAE,YAAY,EAAE,OAAO,CAAC,CAAC,GAAG,GAAG,CAAC,EACjG,UAAU,GAAG,MAAM,CAAC,MAAM,CAAC,SAAS,CAAC,GAAG,GAAG,GAAG,MAAM,CAAC,QAAQ,GAAG,OAAO,CAAC,GAAG,GAAG,GAAG,MAAM,CAAC,GAAG,GAAG,OAAO,GAAG,OAAO,CAAC,GAAG,GAAG,GAAG,MAAM,CAAC,OAAO,GAAG,OAAO,CAAC,GAAG,GAAG,GAAG,OAAO,CAAC,EACnK,kBAAkB,GAAG,MAAM,CAAC,MAAM,CAAC,SAAS,CAAC,GAAG,GAAG,GAAG,MAAM,CAAC,QAAQ,GAAG,OAAO,CAAC,GAAG,GAAG,GAAG,MAAM,CAAC,GAAG,GAAG,OAAO,GAAG,OAAO,CAAC,GAAG,GAAG,GAAG,MAAM,CAAC,SAAS,GAAG,OAAO,CAAC,GAAG,OAAO,GAAG,OAAO,CAAC,EAAG,uBAAuB;IAC3M,YAAY,GAAG,MAAM,CAAC,kBAAkB,GAAG,KAAK,GAAG,kBAAkB,GAAG,KAAK,GAAG,kBAAkB,GAAG,KAAK,GAAG,kBAAkB,CAAC,EAChI,IAAI,GAAG,MAAM,CAAC,QAAQ,GAAG,OAAO,CAAC,EACjC,KAAK,GAAG,MAAM,CAAC,MAAM,CAAC,IAAI,GAAG,KAAK,GAAG,IAAI,CAAC,GAAG,GAAG,GAAG,YAAY,CAAC,EAChE,aAAa,GAAG,MAAM,CAA6D,MAAM,CAAC,IAAI,GAAG,KAAK,CAAC,GAAG,KAAK,GAAG,KAAK,CAAC,EAAE,8CAA8C;IACxK,aAAa,GAAG,MAAM,CAAkD,QAAQ,GAAG,MAAM,CAAC,IAAI,GAAG,KAAK,CAAC,GAAG,KAAK,GAAG,KAAK,CAAC,EAAE,8CAA8C;IACxK,aAAa,GAAG,MAAM,CAAC,MAAM,CAAkC,IAAI,CAAC,GAAG,SAAS,GAAG,MAAM,CAAC,IAAI,GAAG,KAAK,CAAC,GAAG,KAAK,GAAG,KAAK,CAAC,EAAE,8CAA8C;IACxK,aAAa,GAAG,MAAM,CAAC,MAAM,CAAC,MAAM,CAAC,IAAI,GAAG,KAAK,CAAC,GAAG,OAAO,GAAG,IAAI,CAAC,GAAG,SAAS,GAAG,MAAM,CAAC,IAAI,GAAG,KAAK,CAAC,GAAG,KAAK,GAAG,KAAK,CAAC,EAAE,8CAA8C;IACxK,aAAa,GAAG,MAAM,CAAC,MAAM,CAAC,MAAM,CAAC,IAAI,GAAG,KAAK,CAAC,GAAG,OAAO,GAAG,IAAI,CAAC,GAAG,SAAS,GAAG,MAAM,CAAC,IAAI,GAAG,KAAK,CAAC,GAAG,KAAK,GAAG,KAAK,CAAC,EAAE,8CAA8C;IACxK,aAAa,GAAG,MAAM,CAAC,MAAM,CAAC,MAAM,CAAC,IAAI,GAAG,KAAK,CAAC,GAAG,OAAO,GAAG,IAAI,CAAC,GAAG,SAAS,GAAU,IAAI,GAAG,KAAK,GAAY,KAAK,CAAC,EAAE,8CAA8C;IACxK,aAAa,GAAG,MAAM,CAAC,MAAM,CAAC,MAAM,CAAC,IAAI,GAAG,KAAK,CAAC,GAAG,OAAO,GAAG,IAAI,CAAC,GAAG,SAAS,GAAkC,KAAK,CAAC,EAAE,8CAA8C;IACxK,aAAa,GAAG,MAAM,CAAC,MAAM,CAAC,MAAM,CAAC,IAAI,GAAG,KAAK,CAAC,GAAG,OAAO,GAAG,IAAI,CAAC,GAAG,SAAS,GAAkC,IAAI,CAAE,EAAE,6CAA6C;IACvK,aAAa,GAAG,MAAM,CAAC,MAAM,CAAC,MAAM,CAAC,IAAI,GAAG,KAAK,CAAC,GAAG,OAAO,GAAG,IAAI,CAAC,GAAG,SAAS,CAAwC,EAAE,4BAA4B;IACtJ,YAAY,GAAG,MAAM,CAAC,CAAC,aAAa,EAAE,aAAa,EAAE,aAAa,EAAE,aAAa,EAAE,aAAa,EAAE,aAAa,EAAE,aAAa,EAAE,aAAa,EAAE,aAAa,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC,EACxK,OAAO,GAAG,MAAM,CAAC,MAAM,CAAC,YAAY,GAAG,GAAG,GAAG,YAAY,CAAC,GAAG,GAAG,CAAC,EAAG,UAAU;IAC9E,UAAU,GAAG,MAAM,CAAC,YAAY,GAAG,OAAO,GAAG,OAAO,CAAC,EAAG,UAAU;IAClE,kBAAkB,GAAG,MAAM,CAAC,YAAY,GAAG,MAAM,CAAC,cAAc,GAAG,QAAQ,GAAG,MAAM,CAAC,GAAG,OAAO,CAAC,EAAG,sCAAsC;IACzI,UAAU,GAAG,MAAM,CAAC,MAAM,GAAG,QAAQ,GAAG,MAAM,GAAG,KAAK,CAAC,YAAY,EAAE,YAAY,EAAE,OAAO,CAAC,GAAG,GAAG,CAAC,EAClG,WAAW,GAAG,MAAM,CAAC,KAAK,GAAG,MAAM,CAAC,kBAAkB,GAAG,GAAG,GAAG,YAAY,GAAG,GAAG,GAAG,UAAU,CAAC,GAAG,KAAK,CAAC,EAAG,UAAU;IACrH,SAAS,GAAG,MAAM,CAAC,MAAM,CAAC,YAAY,GAAG,GAAG,GAAG,KAAK,CAAC,YAAY,EAAE,YAAY,CAAC,CAAC,GAAG,GAAG,CAAC,EACxF,KAAK,GAAG,MAAM,CAAC,WAAW,GAAG,GAAG,GAAG,YAAY,GAAG,KAAK,GAAG,SAAS,GAAG,GAAG,GAAG,GAAG,GAAG,SAAS,CAAC,EAC5F,KAAK,GAAG,MAAM,CAAC,OAAO,GAAG,GAAG,CAAC,EAC7B,UAAU,GAAG,MAAM,CAAC,MAAM,CAAC,SAAS,GAAG,GAAG,CAAC,GAAG,GAAG,GAAG,KAAK,GAAG,MAAM,CAAC,KAAK,GAAG,KAAK,CAAC,GAAG,GAAG,CAAC,EACxF,MAAM,GAAG,MAAM,CAAC,YAAY,GAAG,GAAG,GAAG,KAAK,CAAC,YAAY,EAAE,YAAY,EAAE,UAAU,CAAC,CAAC,EACnF,QAAQ,GAAG,MAAM,CAAC,MAAM,GAAG,GAAG,CAAC,EAC/B,WAAW,GAAG,MAAM,CAAC,MAAM,GAAG,GAAG,CAAC,EAClC,cAAc,GAAG,MAAM,CAAC,MAAM,CAAC,YAAY,GAAG,GAAG,GAAG,KAAK,CAAC,YAAY,EAAE,YAAY,EAAE,OAAO,CAAC,CAAC,GAAG,GAAG,CAAC,EACtG,aAAa,GAAG,MAAM,CAAC,MAAM,CAAC,KAAK,GAAG,QAAQ,CAAC,GAAG,GAAG,CAAC,EACtD,cAAc,GAAG,MAAM,CAAC,KAAK,GAAG,MAAM,CAAC,WAAW,GAAG,aAAa,CAAC,GAAG,GAAG,CAAC,EAAG,YAAY;IACzF,cAAc,GAAG,MAAM,CAAC,cAAc,GAAG,aAAa,CAAC,EAAG,YAAY;IACtE,cAAc,GAAG,MAAM,CAAC,WAAW,GAAG,aAAa,CAAC,EAAG,YAAY;IACnE,WAAW,GAAG,KAAK,GAAG,MAAM,GAAG,GAAG,EAClC,KAAK,GAAG,MAAM,CAAC,aAAa,GAAG,GAAG,GAAG,cAAc,GAAG,GAAG,GAAG,cAAc,GAAG,GAAG,GAAG,cAAc,GAAG,GAAG,GAAG,WAAW,CAAC,EACtH,MAAM,GAAG,MAAM,CAAC,MAAM,CAAC,MAAM,GAAG,GAAG,GAAG,KAAK,CAAC,UAAU,EAAE,UAAU,CAAC,CAAC,GAAG,GAAG,CAAC,EAC3E,SAAS,GAAG,MAAM,CAAC,MAAM,CAAC,MAAM,GAAG,WAAW,CAAC,GAAG,GAAG,CAAC,EACtD,UAAU,GAAG,MAAM,CAA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\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/http.d.ts b/node_modules/uri-js/dist/esnext/schemes/http.d.ts
new file mode 100644
index 000000000..fe5b2f354
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/http.d.ts
@@ -0,0 +1,3 @@
+import { URISchemeHandler } from "../uri";
+declare const handler: URISchemeHandler;
+export default handler;
diff --git a/node_modules/uri-js/dist/esnext/schemes/http.js b/node_modules/uri-js/dist/esnext/schemes/http.js
new file mode 100644
index 000000000..6abf0fe6e
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/http.js
@@ -0,0 +1,28 @@
+const handler = {
+    scheme: "http",
+    domainHost: true,
+    parse: function (components, options) {
+        //report missing host
+        if (!components.host) {
+            components.error = components.error || "HTTP URIs must have a host.";
+        }
+        return components;
+    },
+    serialize: function (components, options) {
+        const secure = String(components.scheme).toLowerCase() === "https";
+        //normalize the default port
+        if (components.port === (secure ? 443 : 80) || components.port === "") {
+            components.port = undefined;
+        }
+        //normalize the empty path
+        if (!components.path) {
+            components.path = "/";
+        }
+        //NOTE: We do not parse query strings for HTTP URIs
+        //as WWW Form Url Encoded query strings are part of the HTML4+ spec,
+        //and not the HTTP spec.
+        return components;
+    }
+};
+export default handler;
+//# sourceMappingURL=http.js.map
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/http.js.map b/node_modules/uri-js/dist/esnext/schemes/http.js.map
new file mode 100644
index 000000000..82118970c
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/http.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"http.js","sourceRoot":"","sources":["../../../src/schemes/http.ts"],"names":[],"mappings":"AAEA,MAAM,OAAO,GAAoB;IAChC,MAAM,EAAG,MAAM;IAEf,UAAU,EAAG,IAAI;IAEjB,KAAK,EAAG,UAAU,UAAwB,EAAE,OAAkB;QAC7D,qBAAqB;QACrB,IAAI,CAAC,UAAU,CAAC,IAAI,EAAE;YACrB,UAAU,CAAC,KAAK,GAAG,UAAU,CAAC,KAAK,IAAI,6BAA6B,CAAC;SACrE;QAED,OAAO,UAAU,CAAC;IACnB,CAAC;IAED,SAAS,EAAG,UAAU,UAAwB,EAAE,OAAkB;QACjE,MAAM,MAAM,GAAG,MAAM,CAAC,UAAU,CAAC,MAAM,CAAC,CAAC,WAAW,EAAE,KAAK,OAAO,CAAC;QAEnE,4BAA4B;QAC5B,IAAI,UAAU,CAAC,IAAI,KAAK,CAAC,MAAM,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,EAAE,CAAC,IAAI,UAAU,CAAC,IAAI,KAAK,EAAE,EAAE;YACtE,UAAU,CAAC,IAAI,GAAG,SAAS,CAAC;SAC5B;QAED,0BAA0B;QAC1B,IAAI,CAAC,UAAU,CAAC,IAAI,EAAE;YACrB,UAAU,CAAC,IAAI,GAAG,GAAG,CAAC;SACtB;QAED,mDAAmD;QACnD,oEAAoE;QACpE,wBAAwB;QAExB,OAAO,UAAU,CAAC;IACnB,CAAC;CACD,CAAC;AAEF,eAAe,OAAO,CAAC"}
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/https.d.ts b/node_modules/uri-js/dist/esnext/schemes/https.d.ts
new file mode 100644
index 000000000..fe5b2f354
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/https.d.ts
@@ -0,0 +1,3 @@
+import { URISchemeHandler } from "../uri";
+declare const handler: URISchemeHandler;
+export default handler;
diff --git a/node_modules/uri-js/dist/esnext/schemes/https.js b/node_modules/uri-js/dist/esnext/schemes/https.js
new file mode 100644
index 000000000..ec4b6e76d
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/https.js
@@ -0,0 +1,9 @@
+import http from "./http";
+const handler = {
+    scheme: "https",
+    domainHost: http.domainHost,
+    parse: http.parse,
+    serialize: http.serialize
+};
+export default handler;
+//# sourceMappingURL=https.js.map
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/https.js.map b/node_modules/uri-js/dist/esnext/schemes/https.js.map
new file mode 100644
index 000000000..385b8efea
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/https.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"https.js","sourceRoot":"","sources":["../../../src/schemes/https.ts"],"names":[],"mappings":"AACA,OAAO,IAAI,MAAM,QAAQ,CAAC;AAE1B,MAAM,OAAO,GAAoB;IAChC,MAAM,EAAG,OAAO;IAChB,UAAU,EAAG,IAAI,CAAC,UAAU;IAC5B,KAAK,EAAG,IAAI,CAAC,KAAK;IAClB,SAAS,EAAG,IAAI,CAAC,SAAS;CAC1B,CAAA;AAED,eAAe,OAAO,CAAC"}
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/mailto.d.ts b/node_modules/uri-js/dist/esnext/schemes/mailto.d.ts
new file mode 100644
index 000000000..e2aefc2af
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/mailto.d.ts
@@ -0,0 +1,12 @@
+import { URISchemeHandler, URIComponents } from "../uri";
+export interface MailtoHeaders {
+    [hfname: string]: string;
+}
+export interface MailtoComponents extends URIComponents {
+    to: Array<string>;
+    headers?: MailtoHeaders;
+    subject?: string;
+    body?: string;
+}
+declare const handler: URISchemeHandler<MailtoComponents>;
+export default handler;
diff --git a/node_modules/uri-js/dist/esnext/schemes/mailto.js b/node_modules/uri-js/dist/esnext/schemes/mailto.js
new file mode 100644
index 000000000..2553713cd
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/mailto.js
@@ -0,0 +1,148 @@
+import { pctEncChar, pctDecChars, unescapeComponent } from "../uri";
+import punycode from "punycode";
+import { merge, subexp, toUpperCase, toArray } from "../util";
+const O = {};
+const isIRI = true;
+//RFC 3986
+const UNRESERVED$$ = "[A-Za-z0-9\\-\\.\\_\\~" + (isIRI ? "\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF" : "") + "]";
+const HEXDIG$$ = "[0-9A-Fa-f]"; //case-insensitive
+const PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)); //expanded
+//RFC 5322, except these symbols as per RFC 6068: @ : / ? # [ ] & ; =
+//const ATEXT$$ = "[A-Za-z0-9\\!\\#\\$\\%\\&\\'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]";
+//const WSP$$ = "[\\x20\\x09]";
+//const OBS_QTEXT$$ = "[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x7F]";  //(%d1-8 / %d11-12 / %d14-31 / %d127)
+//const QTEXT$$ = merge("[\\x21\\x23-\\x5B\\x5D-\\x7E]", OBS_QTEXT$$);  //%d33 / %d35-91 / %d93-126 / obs-qtext
+//const VCHAR$$ = "[\\x21-\\x7E]";
+//const WSP$$ = "[\\x20\\x09]";
+//const OBS_QP$ = subexp("\\\\" + merge("[\\x00\\x0D\\x0A]", OBS_QTEXT$$));  //%d0 / CR / LF / obs-qtext
+//const FWS$ = subexp(subexp(WSP$$ + "*" + "\\x0D\\x0A") + "?" + WSP$$ + "+");
+//const QUOTED_PAIR$ = subexp(subexp("\\\\" + subexp(VCHAR$$ + "|" + WSP$$)) + "|" + OBS_QP$);
+//const QUOTED_STRING$ = subexp('\\"' + subexp(FWS$ + "?" + QCONTENT$) + "*" + FWS$ + "?" + '\\"');
+const ATEXT$$ = "[A-Za-z0-9\\!\\$\\%\\'\\*\\+\\-\\^\\_\\`\\{\\|\\}\\~]";
+const QTEXT$$ = "[\\!\\$\\%\\'\\(\\)\\*\\+\\,\\-\\.0-9\\<\\>A-Z\\x5E-\\x7E]";
+const VCHAR$$ = merge(QTEXT$$, "[\\\"\\\\]");
+const DOT_ATOM_TEXT$ = subexp(ATEXT$$ + "+" + subexp("\\." + ATEXT$$ + "+") + "*");
+const QUOTED_PAIR$ = subexp("\\\\" + VCHAR$$);
+const QCONTENT$ = subexp(QTEXT$$ + "|" + QUOTED_PAIR$);
+const QUOTED_STRING$ = subexp('\\"' + QCONTENT$ + "*" + '\\"');
+//RFC 6068
+const DTEXT_NO_OBS$$ = "[\\x21-\\x5A\\x5E-\\x7E]"; //%d33-90 / %d94-126
+const SOME_DELIMS$$ = "[\\!\\$\\'\\(\\)\\*\\+\\,\\;\\:\\@]";
+const QCHAR$ = subexp(UNRESERVED$$ + "|" + PCT_ENCODED$ + "|" + SOME_DELIMS$$);
+const DOMAIN$ = subexp(DOT_ATOM_TEXT$ + "|" + "\\[" + DTEXT_NO_OBS$$ + "*" + "\\]");
+const LOCAL_PART$ = subexp(DOT_ATOM_TEXT$ + "|" + QUOTED_STRING$);
+const ADDR_SPEC$ = subexp(LOCAL_PART$ + "\\@" + DOMAIN$);
+const TO$ = subexp(ADDR_SPEC$ + subexp("\\," + ADDR_SPEC$) + "*");
+const HFNAME$ = subexp(QCHAR$ + "*");
+const HFVALUE$ = HFNAME$;
+const HFIELD$ = subexp(HFNAME$ + "\\=" + HFVALUE$);
+const HFIELDS2$ = subexp(HFIELD$ + subexp("\\&" + HFIELD$) + "*");
+const HFIELDS$ = subexp("\\?" + HFIELDS2$);
+const MAILTO_URI = new RegExp("^mailto\\:" + TO$ + "?" + HFIELDS$ + "?$");
+const UNRESERVED = new RegExp(UNRESERVED$$, "g");
+const PCT_ENCODED = new RegExp(PCT_ENCODED$, "g");
+const NOT_LOCAL_PART = new RegExp(merge("[^]", ATEXT$$, "[\\.]", '[\\"]', VCHAR$$), "g");
+const NOT_DOMAIN = new RegExp(merge("[^]", ATEXT$$, "[\\.]", "[\\[]", DTEXT_NO_OBS$$, "[\\]]"), "g");
+const NOT_HFNAME = new RegExp(merge("[^]", UNRESERVED$$, SOME_DELIMS$$), "g");
+const NOT_HFVALUE = NOT_HFNAME;
+const TO = new RegExp("^" + TO$ + "$");
+const HFIELDS = new RegExp("^" + HFIELDS2$ + "$");
+function decodeUnreserved(str) {
+    const decStr = pctDecChars(str);
+    return (!decStr.match(UNRESERVED) ? str : decStr);
+}
+const handler = {
+    scheme: "mailto",
+    parse: function (components, options) {
+        const mailtoComponents = components;
+        const to = mailtoComponents.to = (mailtoComponents.path ? mailtoComponents.path.split(",") : []);
+        mailtoComponents.path = undefined;
+        if (mailtoComponents.query) {
+            let unknownHeaders = false;
+            const headers = {};
+            const hfields = mailtoComponents.query.split("&");
+            for (let x = 0, xl = hfields.length; x < xl; ++x) {
+                const hfield = hfields[x].split("=");
+                switch (hfield[0]) {
+                    case "to":
+                        const toAddrs = hfield[1].split(",");
+                        for (let x = 0, xl = toAddrs.length; x < xl; ++x) {
+                            to.push(toAddrs[x]);
+                        }
+                        break;
+                    case "subject":
+                        mailtoComponents.subject = unescapeComponent(hfield[1], options);
+                        break;
+                    case "body":
+                        mailtoComponents.body = unescapeComponent(hfield[1], options);
+                        break;
+                    default:
+                        unknownHeaders = true;
+                        headers[unescapeComponent(hfield[0], options)] = unescapeComponent(hfield[1], options);
+                        break;
+                }
+            }
+            if (unknownHeaders)
+                mailtoComponents.headers = headers;
+        }
+        mailtoComponents.query = undefined;
+        for (let x = 0, xl = to.length; x < xl; ++x) {
+            const addr = to[x].split("@");
+            addr[0] = unescapeComponent(addr[0]);
+            if (!options.unicodeSupport) {
+                //convert Unicode IDN -> ASCII IDN
+                try {
+                    addr[1] = punycode.toASCII(unescapeComponent(addr[1], options).toLowerCase());
+                }
+                catch (e) {
+                    mailtoComponents.error = mailtoComponents.error || "Email address's domain name can not be converted to ASCII via punycode: " + e;
+                }
+            }
+            else {
+                addr[1] = unescapeComponent(addr[1], options).toLowerCase();
+            }
+            to[x] = addr.join("@");
+        }
+        return mailtoComponents;
+    },
+    serialize: function (mailtoComponents, options) {
+        const components = mailtoComponents;
+        const to = toArray(mailtoComponents.to);
+        if (to) {
+            for (let x = 0, xl = to.length; x < xl; ++x) {
+                const toAddr = String(to[x]);
+                const atIdx = toAddr.lastIndexOf("@");
+                const localPart = (toAddr.slice(0, atIdx)).replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_LOCAL_PART, pctEncChar);
+                let domain = toAddr.slice(atIdx + 1);
+                //convert IDN via punycode
+                try {
+                    domain = (!options.iri ? punycode.toASCII(unescapeComponent(domain, options).toLowerCase()) : punycode.toUnicode(domain));
+                }
+                catch (e) {
+                    components.error = components.error || "Email address's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e;
+                }
+                to[x] = localPart + "@" + domain;
+            }
+            components.path = to.join(",");
+        }
+        const headers = mailtoComponents.headers = mailtoComponents.headers || {};
+        if (mailtoComponents.subject)
+            headers["subject"] = mailtoComponents.subject;
+        if (mailtoComponents.body)
+            headers["body"] = mailtoComponents.body;
+        const fields = [];
+        for (const name in headers) {
+            if (headers[name] !== O[name]) {
+                fields.push(name.replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFNAME, pctEncChar) +
+                    "=" +
+                    headers[name].replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFVALUE, pctEncChar));
+            }
+        }
+        if (fields.length) {
+            components.query = fields.join("&");
+        }
+        return components;
+    }
+};
+export default handler;
+//# sourceMappingURL=mailto.js.map
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/mailto.js.map b/node_modules/uri-js/dist/esnext/schemes/mailto.js.map
new file mode 100644
index 000000000..82dba9a16
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/mailto.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"mailto.js","sourceRoot":"","sources":["../../../src/schemes/mailto.ts"],"names":[],"mappings":"AACA,OAAO,EAAE,UAAU,EAAE,WAAW,EAAE,iBAAiB,EAAE,MAAM,QAAQ,CAAC;AACpE,OAAO,QAAQ,MAAM,UAAU,CAAC;AAChC,OAAO,EAAE,KAAK,EAAE,MAAM,EAAE,WAAW,EAAE,OAAO,EAAE,MAAM,SAAS,CAAC;AAa9D,MAAM,CAAC,GAAiB,EAAE,CAAC;AAC3B,MAAM,KAAK,GAAG,IAAI,CAAC;AAEnB,UAAU;AACV,MAAM,YAAY,GAAG,wBAAwB,GAAG,CAAC,KAAK,CAAC,CAAC,CAAC,2EAA2E,CAAC,CAAC,CAAC,EAAE,CAAC,GAAG,GAAG,CAAC;AACjJ,MAAM,QAAQ,GAAG,aAAa,CAAC,CAAE,kBAAkB;AACnD,MAAM,YAAY,GAAG,MAAM,CAAC,MAAM,CAAC,SAAS,GAAG,QAAQ,GAAG,GAAG,GAAG,QAAQ,GAAG,QAAQ,GAAG,GAAG,GAAG,QAAQ,GAAG,QAAQ,CAAC,GAAG,GAAG,GAAG,MAAM,CAAC,aAAa,GAAG,QAAQ,GAAG,GAAG,GAAG,QAAQ,GAAG,QAAQ,CAAC,GAAG,GAAG,GAAG,MAAM,CAAC,GAAG,GAAG,QAAQ,GAAG,QAAQ,CAAC,CAAC,CAAC,CAAE,UAAU;AAE7O,qEAAqE;AACrE,yFAAyF;AACzF,+BAA+B;AAC/B,uGAAuG;AACvG,+GAA+G;AAC/G,kCAAkC;AAClC,+BAA+B;AAC/B,wGAAwG;AACxG,8EAA8E;AAC9E,8FAA8F;AAC9F,mGAAmG;AACnG,MAAM,OAAO,GAAG,uDAAuD,CAAC;AACxE,MAAM,OAAO,GAAG,4DAA4D,CAAC;AAC7E,MAAM,OAAO,GAAG,KAAK,CAAC,OAAO,EAAE,YAAY,CAAC,CAAC;AAC7C,MAAM,cAAc,GAAG,MAAM,CAAC,OAAO,GAAG,GAAG,GAAG,MAAM,CAAC,KAAK,GAAG,OAAO,GAAG,GAAG,CAAC,GAAG,GAAG,CAAC,CAAC;AACnF,MAAM,YAAY,GAAG,MAAM,CAAC,MAAM,GAAG,OAAO,CAAC,CAAC;AAC9C,MAAM,SAAS,GAAG,MAAM,CAAC,OAAO,GAAG,GAAG,GAAG,YAAY,CAAC,CAAC;AACvD,MAAM,cAAc,GAAG,MAAM,CAAC,KAAK,GAAG,SAAS,GAAG,GAAG,GAAG,KAAK,CAAC,CAAC;AAE/D,UAAU;AACV,MAAM,cAAc,GAAG,0BAA0B,CAAC,CAAE,oBAAoB;AACxE,MAAM,aAAa,GAAG,qCAAqC,CAAC;AAC5D,MAAM,MAAM,GAAG,MAAM,CAAC,YAAY,GAAG,GAAG,GAAG,YAAY,GAAG,GAAG,GAAG,aAAa,CAAC,CAAC;AAC/E,MAAM,OAAO,GAAG,MAAM,CAAC,cAAc,GAAG,GAAG,GAAG,KAAK,GAAG,cAAc,GAAG,GAAG,GAAG,KAAK,CAAC,CAAC;AACpF,MAAM,WAAW,GAAG,MAAM,CAAC,cAAc,GAAG,GAAG,GAAG,cAAc,CAAC,CAAC;AAClE,MAAM,UAAU,GAAG,MAAM,CAAC,WAAW,GAAG,KAAK,GAAG,OAAO,CAAC,CAAC;AACzD,MAAM,GAAG,GAAG,MAAM,CAAC,UAAU,GAAG,MAAM,CAAC,KAAK,GAAG,UAAU,CAAC,GAAG,GAAG,CAAC,CAAC;AAClE,MAAM,OAAO,GAAG,MAAM,CAAC,MAAM,GAAG,GAAG,CAAC,CAAC;AACrC,MAAM,QAAQ,GAAG,OAAO,CAAC;AACzB,MAAM,OAAO,GAAG,MAAM,CAAC,OAAO,GAAG,KAAK,GAAG,QAAQ,CAAC,CAAC;AACnD,MAAM,SAAS,GAAG,MAAM,CAAC,OAAO,GAAG,MAAM,CAAC,KAAK,GAAG,OAAO,CAAC,GAAG,GAAG,CAAC,CAAC;AAClE,MAAM,QAAQ,GAAG,MAAM,CAAC,KAAK,GAAG,SAAS,CAAC,CAAC;AAC3C,MAAM,UAAU,GAAG,IAAI,MAAM,CAAC,YAAY,GAAG,GAAG,GAAG,GAAG,GAAG,QAAQ,GAAG,IAAI,CAAC,CAAC;AAE1E,MAAM,UAAU,GAAG,IAAI,MAAM,CAAC,YAAY,EAAE,GAAG,CAAC,CAAC;AACjD,MAAM,WAAW,GAAG,IAAI,MAAM,CAAC,YAAY,EAAE,GAAG,CAAC,CAAC;AAClD,MAAM,cAAc,GAAG,IAAI,MAAM,CAAC,KAAK,CAAC,KAAK,EAAE,OAAO,EAAE,OAAO,EAAE,OAAO,EAAE,OAAO,CAAC,EAAE,GAAG,CAAC,CAAC;AACzF,MAAM,UAAU,GAAG,IAAI,MAAM,CAAC,KAAK,CAAC,KAAK,EAAE,OAAO,EAAE,OAAO,EAAE,OAAO,EAAE,cAAc,EAAE,OAAO,CAAC,EAAE,GAAG,CAAC,CAAC;AACrG,MAAM,UAAU,GAAG,IAAI,MAAM,CAAC,KAAK,CAAC,KAAK,EAAE,YAAY,EAAE,aAAa,CAAC,EAAE,GAAG,CAAC,CAAC;AAC9E,MAAM,WAAW,GAAG,UAAU,CAAC;AAC/B,MAAM,EAAE,GAAG,IAAI,MAAM,CAAC,GAAG,GAAG,GAAG,GAAG,GAAG,CAAC,CAAC;AACvC,MAAM,OAAO,GAAG,IAAI,MAAM,CAAC,GAAG,GAAG,SAAS,GAAG,GAAG,CAAC,CAAC;AAElD,0BAA0B,GAAU;IACnC,MAAM,MAAM,GAAG,WAAW,CAAC,GAAG,CAAC,CAAC;IAChC,OAAO,CAAC,CAAC,MAAM,CAAC,KAAK,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,MAAM,CAAC,CAAC;AACnD,CAAC;AAED,MAAM,OAAO,GAAuC;IACnD,MAAM,EAAG,QAAQ;IAEjB,KAAK,EAAG,UAAU,UAAwB,EAAE,OAAkB;QAC7D,MAAM,gBAAgB,GAAG,UAA8B,CAAC;QACxD,MAAM,EAAE,GAAG,gBAAgB,CAAC,EAAE,GAAG,CAAC,gBAAgB,CAAC,IAAI,CAAC,CAAC,CAAC,gBAAgB,CAAC,IAAI,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC;QACjG,gBAAgB,CAAC,IAAI,GAAG,SAAS,CAAC;QAElC,IAAI,gBAAgB,CAAC,KAAK,EAAE;YAC3B,IAAI,cAAc,GAAG,KAAK,CAAA;YAC1B,MAAM,OAAO,GAAiB,EAAE,CAAC;YACjC,MAAM,OAAO,GAAG,gBAAgB,CAAC,KAAK,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC;YAElD,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,EAAE,GAAG,OAAO,CAAC,MAAM,EAAE,CAAC,GAAG,EAAE,EAAE,EAAE,CAAC,EAAE;gBACjD,MAAM,MAAM,GAAG,OAAO,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC;gBAErC,QAAQ,MAAM,CAAC,CAAC,CAAC,EAAE;oBAClB,KAAK,IAAI;wBACR,MAAM,OAAO,GAAG,MAAM,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC;wBACrC,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,EAAE,GAAG,OAAO,CAAC,MAAM,EAAE,CAAC,GAAG,EAAE,EAAE,EAAE,CAAC,EAAE;4BACjD,EAAE,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC,CAAC,CAAC,CAAC;yBACpB;wBACD,MAAM;oBACP,KAAK,SAAS;wBACb,gBAAgB,CAAC,OAAO,GAAG,iBAAiB,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,OAAO,CAAC,CAAC;wBACjE,MAAM;oBACP,KAAK,MAAM;wBACV,gBAAgB,CAAC,IAAI,GAAG,iBAAiB,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,OAAO,CAAC,CAAC;wBAC9D,MAAM;oBACP;wBACC,cAAc,GAAG,IAAI,CAAC;wBACtB,OAAO,CAAC,iBAAiB,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,OAAO,CAAC,CAAC,GAAG,iBAAiB,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,OAAO,CAAC,CAAC;wBACvF,MAAM;iBACP;aACD;YAED,IAAI,cAAc;gBAAE,gBAAgB,CAAC,OAAO,GAAG,OAAO,CAAC;SACvD;QAED,gBAAgB,CAAC,KAAK,GAAG,SAAS,CAAC;QAEnC,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,EAAE,GAAG,EAAE,CAAC,MAAM,EAAE,CAAC,GAAG,EAAE,EAAE,EAAE,CAAC,EAAE;YAC5C,MAAM,IAAI,GAAG,EAAE,CAAC,CAAC,CAAC,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC;YAE9B,IAAI,CAAC,CAAC,CAAC,GAAG,iBAAiB,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,CAAC;YAErC,IAAI,CAAC,OAAO,CAAC,cAAc,EAAE;gBAC5B,kCAAkC;gBAClC,IAAI;oBACH,IAAI,CAAC,CAAC,CAAC,GAAG,QAAQ,CAAC,OAAO,CAAC,iBAAiB,CAAC,IAAI,CAAC,CAAC,CAAC,EAAE,OAAO,CAAC,CAAC,WAAW,EAAE,CAAC,CAAC;iBAC9E;gBAAC,OAAO,CAAC,EAAE;oBACX,gBAAgB,CAAC,KAAK,GAAG,gBAAgB,CAAC,KAAK,IAAI,0EAA0E,GAAG,CAAC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\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/urn-uuid.d.ts b/node_modules/uri-js/dist/esnext/schemes/urn-uuid.d.ts
new file mode 100644
index 000000000..e75f2e793
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/urn-uuid.d.ts
@@ -0,0 +1,7 @@
+import { URISchemeHandler, URIOptions } from "../uri";
+import { URNComponents } from "./urn";
+export interface UUIDComponents extends URNComponents {
+    uuid?: string;
+}
+declare const handler: URISchemeHandler<UUIDComponents, URIOptions, URNComponents>;
+export default handler;
diff --git a/node_modules/uri-js/dist/esnext/schemes/urn-uuid.js b/node_modules/uri-js/dist/esnext/schemes/urn-uuid.js
new file mode 100644
index 000000000..d1fce4955
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/urn-uuid.js
@@ -0,0 +1,23 @@
+const UUID = /^[0-9A-Fa-f]{8}(?:\-[0-9A-Fa-f]{4}){3}\-[0-9A-Fa-f]{12}$/;
+const UUID_PARSE = /^[0-9A-Fa-f\-]{36}/;
+//RFC 4122
+const handler = {
+    scheme: "urn:uuid",
+    parse: function (urnComponents, options) {
+        const uuidComponents = urnComponents;
+        uuidComponents.uuid = uuidComponents.nss;
+        uuidComponents.nss = undefined;
+        if (!options.tolerant && (!uuidComponents.uuid || !uuidComponents.uuid.match(UUID))) {
+            uuidComponents.error = uuidComponents.error || "UUID is not valid.";
+        }
+        return uuidComponents;
+    },
+    serialize: function (uuidComponents, options) {
+        const urnComponents = uuidComponents;
+        //normalize UUID
+        urnComponents.nss = (uuidComponents.uuid || "").toLowerCase();
+        return urnComponents;
+    },
+};
+export default handler;
+//# sourceMappingURL=urn-uuid.js.map
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/urn-uuid.js.map b/node_modules/uri-js/dist/esnext/schemes/urn-uuid.js.map
new file mode 100644
index 000000000..3b7a8b3ae
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/urn-uuid.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"urn-uuid.js","sourceRoot":"","sources":["../../../src/schemes/urn-uuid.ts"],"names":[],"mappings":"AAQA,MAAM,IAAI,GAAG,0DAA0D,CAAC;AACxE,MAAM,UAAU,GAAG,oBAAoB,CAAC;AAExC,UAAU;AACV,MAAM,OAAO,GAA+D;IAC3E,MAAM,EAAG,UAAU;IAEnB,KAAK,EAAG,UAAU,aAA2B,EAAE,OAAkB;QAChE,MAAM,cAAc,GAAG,aAA+B,CAAC;QACvD,cAAc,CAAC,IAAI,GAAG,cAAc,CAAC,GAAG,CAAC;QACzC,cAAc,CAAC,GAAG,GAAG,SAAS,CAAC;QAE/B,IAAI,CAAC,OAAO,CAAC,QAAQ,IAAI,CAAC,CAAC,cAAc,CAAC,IAAI,IAAI,CAAC,cAAc,CAAC,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC,EAAE;YACpF,cAAc,CAAC,KAAK,GAAG,cAAc,CAAC,KAAK,IAAI,oBAAoB,CAAC;SACpE;QAED,OAAO,cAAc,CAAC;IACvB,CAAC;IAED,SAAS,EAAG,UAAU,cAA6B,EAAE,OAAkB;QACtE,MAAM,aAAa,GAAG,cAA+B,CAAC;QACtD,gBAAgB;QAChB,aAAa,CAAC,GAAG,GAAG,CAAC,cAAc,CAAC,IAAI,IAAI,EAAE,CAAC,CAAC,WAAW,EAAE,CAAC;QAC9D,OAAO,aAAa,CAAC;IACtB,CAAC;CACD,CAAC;AAEF,eAAe,OAAO,CAAC"}
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/urn.d.ts b/node_modules/uri-js/dist/esnext/schemes/urn.d.ts
new file mode 100644
index 000000000..7e0c2fba6
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/urn.d.ts
@@ -0,0 +1,10 @@
+import { URISchemeHandler, URIComponents, URIOptions } from "../uri";
+export interface URNComponents extends URIComponents {
+    nid?: string;
+    nss?: string;
+}
+export interface URNOptions extends URIOptions {
+    nid?: string;
+}
+declare const handler: URISchemeHandler<URNComponents, URNOptions>;
+export default handler;
diff --git a/node_modules/uri-js/dist/esnext/schemes/urn.js b/node_modules/uri-js/dist/esnext/schemes/urn.js
new file mode 100644
index 000000000..5d3f10aa0
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/urn.js
@@ -0,0 +1,49 @@
+import { SCHEMES } from "../uri";
+const NID$ = "(?:[0-9A-Za-z][0-9A-Za-z\\-]{1,31})";
+const PCT_ENCODED$ = "(?:\\%[0-9A-Fa-f]{2})";
+const TRANS$$ = "[0-9A-Za-z\\(\\)\\+\\,\\-\\.\\:\\=\\@\\;\\$\\_\\!\\*\\'\\/\\?\\#]";
+const NSS$ = "(?:(?:" + PCT_ENCODED$ + "|" + TRANS$$ + ")+)";
+const URN_SCHEME = new RegExp("^urn\\:(" + NID$ + ")$");
+const URN_PATH = new RegExp("^(" + NID$ + ")\\:(" + NSS$ + ")$");
+const URN_PARSE = /^([^\:]+)\:(.*)/;
+const URN_EXCLUDED = /[\x00-\x20\\\"\&\<\>\[\]\^\`\{\|\}\~\x7F-\xFF]/g;
+//RFC 2141
+const handler = {
+    scheme: "urn",
+    parse: function (components, options) {
+        const matches = components.path && components.path.match(URN_PARSE);
+        let urnComponents = components;
+        if (matches) {
+            const scheme = options.scheme || urnComponents.scheme || "urn";
+            const nid = matches[1].toLowerCase();
+            const nss = matches[2];
+            const urnScheme = `${scheme}:${options.nid || nid}`;
+            const schemeHandler = SCHEMES[urnScheme];
+            urnComponents.nid = nid;
+            urnComponents.nss = nss;
+            urnComponents.path = undefined;
+            if (schemeHandler) {
+                urnComponents = schemeHandler.parse(urnComponents, options);
+            }
+        }
+        else {
+            urnComponents.error = urnComponents.error || "URN can not be parsed.";
+        }
+        return urnComponents;
+    },
+    serialize: function (urnComponents, options) {
+        const scheme = options.scheme || urnComponents.scheme || "urn";
+        const nid = urnComponents.nid;
+        const urnScheme = `${scheme}:${options.nid || nid}`;
+        const schemeHandler = SCHEMES[urnScheme];
+        if (schemeHandler) {
+            urnComponents = schemeHandler.serialize(urnComponents, options);
+        }
+        const uriComponents = urnComponents;
+        const nss = urnComponents.nss;
+        uriComponents.path = `${nid || options.nid}:${nss}`;
+        return uriComponents;
+    },
+};
+export default handler;
+//# sourceMappingURL=urn.js.map
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/urn.js.map b/node_modules/uri-js/dist/esnext/schemes/urn.js.map
new file mode 100644
index 000000000..ea43b0beb
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/urn.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"urn.js","sourceRoot":"","sources":["../../../src/schemes/urn.ts"],"names":[],"mappings":"AACA,OAAO,EAAc,OAAO,EAAE,MAAM,QAAQ,CAAC;AAW7C,MAAM,IAAI,GAAG,qCAAqC,CAAC;AACnD,MAAM,YAAY,GAAG,uBAAuB,CAAC;AAC7C,MAAM,OAAO,GAAG,mEAAmE,CAAC;AACpF,MAAM,IAAI,GAAG,QAAQ,GAAG,YAAY,GAAG,GAAG,GAAG,OAAO,GAAG,KAAK,CAAC;AAC7D,MAAM,UAAU,GAAG,IAAI,MAAM,CAAC,UAAU,GAAG,IAAI,GAAG,IAAI,CAAC,CAAC;AACxD,MAAM,QAAQ,GAAG,IAAI,MAAM,CAAC,IAAI,GAAG,IAAI,GAAG,OAAO,GAAG,IAAI,GAAG,IAAI,CAAC,CAAC;AACjE,MAAM,SAAS,GAAG,iBAAiB,CAAC;AACpC,MAAM,YAAY,GAAG,iDAAiD,CAAC;AAEvE,UAAU;AACV,MAAM,OAAO,GAA8C;IAC1D,MAAM,EAAG,KAAK;IAEd,KAAK,EAAG,UAAU,UAAwB,EAAE,OAAkB;QAC7D,MAAM,OAAO,GAAG,UAAU,CAAC,IAAI,IAAI,UAAU,CAAC,IAAI,CAAC,KAAK,CAAC,SAAS,CAAC,CAAC;QACpE,IAAI,aAAa,GAAG,UAA2B,CAAC;QAEhD,IAAI,OAAO,EAAE;YACZ,MAAM,MAAM,GAAG,OAAO,CAAC,MAAM,IAAI,aAAa,CAAC,MAAM,IAAI,KAAK,CAAC;YAC/D,MAAM,GAAG,GAAG,OAAO,CAAC,CAAC,CAAC,CAAC,WAAW,EAAE,CAAC;YACrC,MAAM,GAAG,GAAG,OAAO,CAAC,CAAC,CAAC,CAAC;YACvB,MAAM,SAAS,GAAG,GAAG,MAAM,IAAI,OAAO,CAAC,GAAG,IAAI,GAAG,EAAE,CAAC;YACpD,MAAM,aAAa,GAAG,OAAO,CAAC,SAAS,CAAC,CAAC;YAEzC,aAAa,CAAC,GAAG,GAAG,GAAG,CAAC;YACxB,aAAa,CAAC,GAAG,GAAG,GAAG,CAAC;YACxB,aAAa,CAAC,IAAI,GAAG,SAAS,CAAC;YAE/B,IAAI,aAAa,EAAE;gBAClB,aAAa,GAAG,aAAa,CAAC,KAAK,CAAC,aAAa,EAAE,OAAO,CAAkB,CAAC;aAC7E;SACD;aAAM;YACN,aAAa,CAAC,KAAK,GAAG,aAAa,CAAC,KAAK,IAAI,wBAAwB,CAAC;SACtE;QAED,OAAO,aAAa,CAAC;IACtB,CAAC;IAED,SAAS,EAAG,UAAU,aAA2B,EAAE,OAAkB;QACpE,MAAM,MAAM,GAAG,OAAO,CAAC,MAAM,IAAI,aAAa,CAAC,MAAM,IAAI,KAAK,CAAC;QAC/D,MAAM,GAAG,GAAG,aAAa,CAAC,GAAG,CAAC;QAC9B,MAAM,SAAS,GAAG,GAAG,MAAM,IAAI,OAAO,CAAC,GAAG,IAAI,GAAG,EAAE,CAAC;QACpD,MAAM,aAAa,GAAG,OAAO,CAAC,SAAS,CAAC,CAAC;QAEzC,IAAI,aAAa,EAAE;YAClB,aAAa,GAAG,aAAa,CAAC,SAAS,CAAC,aAAa,EAAE,OAAO,CAAkB,CAAC;SACjF;QAED,MAAM,aAAa,GAAG,aAA8B,CAAC;QACrD,MAAM,GAAG,GAAG,aAAa,CAAC,GAAG,CAAC;QAC9B,aAAa,CAAC,IAAI,GAAG,GAAG,GAAG,IAAI,OAAO,CAAC,GAAG,IAAI,GAAG,EAAE,CAAC;QAEpD,OAAO,aAAa,CAAC;IACtB,CAAC;CACD,CAAC;AAEF,eAAe,OAAO,CAAC"}
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/ws.d.ts b/node_modules/uri-js/dist/esnext/schemes/ws.d.ts
new file mode 100644
index 000000000..47f4835b2
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/ws.d.ts
@@ -0,0 +1,7 @@
+import { URISchemeHandler, URIComponents } from "../uri";
+export interface WSComponents extends URIComponents {
+    resourceName?: string;
+    secure?: boolean;
+}
+declare const handler: URISchemeHandler;
+export default handler;
diff --git a/node_modules/uri-js/dist/esnext/schemes/ws.js b/node_modules/uri-js/dist/esnext/schemes/ws.js
new file mode 100644
index 000000000..9277f035a
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/ws.js
@@ -0,0 +1,41 @@
+function isSecure(wsComponents) {
+    return typeof wsComponents.secure === 'boolean' ? wsComponents.secure : String(wsComponents.scheme).toLowerCase() === "wss";
+}
+//RFC 6455
+const handler = {
+    scheme: "ws",
+    domainHost: true,
+    parse: function (components, options) {
+        const wsComponents = components;
+        //indicate if the secure flag is set
+        wsComponents.secure = isSecure(wsComponents);
+        //construct resouce name
+        wsComponents.resourceName = (wsComponents.path || '/') + (wsComponents.query ? '?' + wsComponents.query : '');
+        wsComponents.path = undefined;
+        wsComponents.query = undefined;
+        return wsComponents;
+    },
+    serialize: function (wsComponents, options) {
+        //normalize the default port
+        if (wsComponents.port === (isSecure(wsComponents) ? 443 : 80) || wsComponents.port === "") {
+            wsComponents.port = undefined;
+        }
+        //ensure scheme matches secure flag
+        if (typeof wsComponents.secure === 'boolean') {
+            wsComponents.scheme = (wsComponents.secure ? 'wss' : 'ws');
+            wsComponents.secure = undefined;
+        }
+        //reconstruct path from resource name
+        if (wsComponents.resourceName) {
+            const [path, query] = wsComponents.resourceName.split('?');
+            wsComponents.path = (path && path !== '/' ? path : undefined);
+            wsComponents.query = query;
+            wsComponents.resourceName = undefined;
+        }
+        //forbid fragment component
+        wsComponents.fragment = undefined;
+        return wsComponents;
+    }
+};
+export default handler;
+//# sourceMappingURL=ws.js.map
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/ws.js.map b/node_modules/uri-js/dist/esnext/schemes/ws.js.map
new file mode 100644
index 000000000..186818ccd
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/ws.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"ws.js","sourceRoot":"","sources":["../../../src/schemes/ws.ts"],"names":[],"mappings":"AAOA,kBAAkB,YAAyB;IAC1C,OAAO,OAAO,YAAY,CAAC,MAAM,KAAK,SAAS,CAAC,CAAC,CAAC,YAAY,CAAC,MAAM,CAAC,CAAC,CAAC,MAAM,CAAC,YAAY,CAAC,MAAM,CAAC,CAAC,WAAW,EAAE,KAAK,KAAK,CAAC;AAC7H,CAAC;AAED,UAAU;AACV,MAAM,OAAO,GAAoB;IAChC,MAAM,EAAG,IAAI;IAEb,UAAU,EAAG,IAAI;IAEjB,KAAK,EAAG,UAAU,UAAwB,EAAE,OAAkB;QAC7D,MAAM,YAAY,GAAG,UAA0B,CAAC;QAEhD,oCAAoC;QACpC,YAAY,CAAC,MAAM,GAAG,QAAQ,CAAC,YAAY,CAAC,CAAC;QAE7C,wBAAwB;QACxB,YAAY,CAAC,YAAY,GAAG,CAAC,YAAY,CAAC,IAAI,IAAI,GAAG,CAAC,GAAG,CAAC,YAAY,CAAC,KAAK,CAAC,CAAC,CAAC,GAAG,GAAG,YAAY,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC;QAC9G,YAAY,CAAC,IAAI,GAAG,SAAS,CAAC;QAC9B,YAAY,CAAC,KAAK,GAAG,SAAS,CAAC;QAE/B,OAAO,YAAY,CAAC;IACrB,CAAC;IAED,SAAS,EAAG,UAAU,YAAyB,EAAE,OAAkB;QAClE,4BAA4B;QAC5B,IAAI,YAAY,CAAC,IAAI,KAAK,CAAC,QAAQ,CAAC,YAAY,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,EAAE,CAAC,IAAI,YAAY,CAAC,IAAI,KAAK,EAAE,EAAE;YAC1F,YAAY,CAAC,IAAI,GAAG,SAAS,CAAC;SAC9B;QAED,mCAAmC;QACnC,IAAI,OAAO,YAAY,CAAC,MAAM,KAAK,SAAS,EAAE;YAC7C,YAAY,CAAC,MAAM,GAAG,CAAC,YAAY,CAAC,MAAM,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC;YAC3D,YAAY,CAAC,MAAM,GAAG,SAAS,CAAC;SAChC;QAED,qCAAqC;QACrC,IAAI,YAAY,CAAC,YAAY,EAAE;YAC9B,MAAM,CAAC,IAAI,EAAE,KAAK,CAAC,GAAG,YAAY,CAAC,YAAY,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC;YAC3D,YAAY,CAAC,IAAI,GAAG,CAAC,IAAI,IAAI,IAAI,KAAK,GAAG,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,SAAS,CAAC,CAAC;YAC9D,YAAY,CAAC,KAAK,GAAG,KAAK,CAAC;YAC3B,YAAY,CAAC,YAAY,GAAG,SAAS,CAAC;SACtC;QAED,2BAA2B;QAC3B,YAAY,CAAC,QAAQ,GAAG,SAAS,CAAC;QAElC,OAAO,YAAY,CAAC;IACrB,CAAC;CACD,CAAC;AAEF,eAAe,OAAO,CAAC"}
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/wss.d.ts b/node_modules/uri-js/dist/esnext/schemes/wss.d.ts
new file mode 100644
index 000000000..fe5b2f354
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/wss.d.ts
@@ -0,0 +1,3 @@
+import { URISchemeHandler } from "../uri";
+declare const handler: URISchemeHandler;
+export default handler;
diff --git a/node_modules/uri-js/dist/esnext/schemes/wss.js b/node_modules/uri-js/dist/esnext/schemes/wss.js
new file mode 100644
index 000000000..d1e22ccd6
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/wss.js
@@ -0,0 +1,9 @@
+import ws from "./ws";
+const handler = {
+    scheme: "wss",
+    domainHost: ws.domainHost,
+    parse: ws.parse,
+    serialize: ws.serialize
+};
+export default handler;
+//# sourceMappingURL=wss.js.map
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/schemes/wss.js.map b/node_modules/uri-js/dist/esnext/schemes/wss.js.map
new file mode 100644
index 000000000..e19006d94
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/schemes/wss.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"wss.js","sourceRoot":"","sources":["../../../src/schemes/wss.ts"],"names":[],"mappings":"AACA,OAAO,EAAE,MAAM,MAAM,CAAC;AAEtB,MAAM,OAAO,GAAoB;IAChC,MAAM,EAAG,KAAK;IACd,UAAU,EAAG,EAAE,CAAC,UAAU;IAC1B,KAAK,EAAG,EAAE,CAAC,KAAK;IAChB,SAAS,EAAG,EAAE,CAAC,SAAS;CACxB,CAAA;AAED,eAAe,OAAO,CAAC"}
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/uri.d.ts b/node_modules/uri-js/dist/esnext/uri.d.ts
new file mode 100644
index 000000000..da51e2352
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/uri.d.ts
@@ -0,0 +1,59 @@
+export interface URIComponents {
+    scheme?: string;
+    userinfo?: string;
+    host?: string;
+    port?: number | string;
+    path?: string;
+    query?: string;
+    fragment?: string;
+    reference?: string;
+    error?: string;
+}
+export interface URIOptions {
+    scheme?: string;
+    reference?: string;
+    tolerant?: boolean;
+    absolutePath?: boolean;
+    iri?: boolean;
+    unicodeSupport?: boolean;
+    domainHost?: boolean;
+}
+export interface URISchemeHandler<Components extends URIComponents = URIComponents, Options extends URIOptions = URIOptions, ParentComponents extends URIComponents = URIComponents> {
+    scheme: string;
+    parse(components: ParentComponents, options: Options): Components;
+    serialize(components: Components, options: Options): ParentComponents;
+    unicodeSupport?: boolean;
+    domainHost?: boolean;
+    absolutePath?: boolean;
+}
+export interface URIRegExps {
+    NOT_SCHEME: RegExp;
+    NOT_USERINFO: RegExp;
+    NOT_HOST: RegExp;
+    NOT_PATH: RegExp;
+    NOT_PATH_NOSCHEME: RegExp;
+    NOT_QUERY: RegExp;
+    NOT_FRAGMENT: RegExp;
+    ESCAPE: RegExp;
+    UNRESERVED: RegExp;
+    OTHER_CHARS: RegExp;
+    PCT_ENCODED: RegExp;
+    IPV4ADDRESS: RegExp;
+    IPV6ADDRESS: RegExp;
+}
+export declare const SCHEMES: {
+    [scheme: string]: URISchemeHandler;
+};
+export declare function pctEncChar(chr: string): string;
+export declare function pctDecChars(str: string): string;
+export declare function parse(uriString: string, options?: URIOptions): URIComponents;
+export declare function removeDotSegments(input: string): string;
+export declare function serialize(components: URIComponents, options?: URIOptions): string;
+export declare function resolveComponents(base: URIComponents, relative: URIComponents, options?: URIOptions, skipNormalization?: boolean): URIComponents;
+export declare function resolve(baseURI: string, relativeURI: string, options?: URIOptions): string;
+export declare function normalize(uri: string, options?: URIOptions): string;
+export declare function normalize(uri: URIComponents, options?: URIOptions): URIComponents;
+export declare function equal(uriA: string, uriB: string, options?: URIOptions): boolean;
+export declare function equal(uriA: URIComponents, uriB: URIComponents, options?: URIOptions): boolean;
+export declare function escapeComponent(str: string, options?: URIOptions): string;
+export declare function unescapeComponent(str: string, options?: URIOptions): string;
diff --git a/node_modules/uri-js/dist/esnext/uri.js b/node_modules/uri-js/dist/esnext/uri.js
new file mode 100644
index 000000000..659ce2651
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/uri.js
@@ -0,0 +1,480 @@
+/**
+ * URI.js
+ *
+ * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript.
+ * @author <a href="mailto:gary.court@gmail.com">Gary Court</a>
+ * @see http://github.com/garycourt/uri-js
+ */
+/**
+ * Copyright 2011 Gary Court. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of Gary Court.
+ */
+import URI_PROTOCOL from "./regexps-uri";
+import IRI_PROTOCOL from "./regexps-iri";
+import punycode from "punycode";
+import { toUpperCase, typeOf, assign } from "./util";
+export const SCHEMES = {};
+export function pctEncChar(chr) {
+    const c = chr.charCodeAt(0);
+    let e;
+    if (c < 16)
+        e = "%0" + c.toString(16).toUpperCase();
+    else if (c < 128)
+        e = "%" + c.toString(16).toUpperCase();
+    else if (c < 2048)
+        e = "%" + ((c >> 6) | 192).toString(16).toUpperCase() + "%" + ((c & 63) | 128).toString(16).toUpperCase();
+    else
+        e = "%" + ((c >> 12) | 224).toString(16).toUpperCase() + "%" + (((c >> 6) & 63) | 128).toString(16).toUpperCase() + "%" + ((c & 63) | 128).toString(16).toUpperCase();
+    return e;
+}
+export function pctDecChars(str) {
+    let newStr = "";
+    let i = 0;
+    const il = str.length;
+    while (i < il) {
+        const c = parseInt(str.substr(i + 1, 2), 16);
+        if (c < 128) {
+            newStr += String.fromCharCode(c);
+            i += 3;
+        }
+        else if (c >= 194 && c < 224) {
+            if ((il - i) >= 6) {
+                const c2 = parseInt(str.substr(i + 4, 2), 16);
+                newStr += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
+            }
+            else {
+                newStr += str.substr(i, 6);
+            }
+            i += 6;
+        }
+        else if (c >= 224) {
+            if ((il - i) >= 9) {
+                const c2 = parseInt(str.substr(i + 4, 2), 16);
+                const c3 = parseInt(str.substr(i + 7, 2), 16);
+                newStr += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
+            }
+            else {
+                newStr += str.substr(i, 9);
+            }
+            i += 9;
+        }
+        else {
+            newStr += str.substr(i, 3);
+            i += 3;
+        }
+    }
+    return newStr;
+}
+function _normalizeComponentEncoding(components, protocol) {
+    function decodeUnreserved(str) {
+        const decStr = pctDecChars(str);
+        return (!decStr.match(protocol.UNRESERVED) ? str : decStr);
+    }
+    if (components.scheme)
+        components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, "");
+    if (components.userinfo !== undefined)
+        components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.host !== undefined)
+        components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.path !== undefined)
+        components.path = String(components.path).replace(protocol.PCT_ENCODED, decodeUnreserved).replace((components.scheme ? protocol.NOT_PATH : protocol.NOT_PATH_NOSCHEME), pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.query !== undefined)
+        components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    if (components.fragment !== undefined)
+        components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);
+    return components;
+}
+;
+function _stripLeadingZeros(str) {
+    return str.replace(/^0*(.*)/, "$1") || "0";
+}
+function _normalizeIPv4(host, protocol) {
+    const matches = host.match(protocol.IPV4ADDRESS) || [];
+    const [, address] = matches;
+    if (address) {
+        return address.split(".").map(_stripLeadingZeros).join(".");
+    }
+    else {
+        return host;
+    }
+}
+function _normalizeIPv6(host, protocol) {
+    const matches = host.match(protocol.IPV6ADDRESS) || [];
+    const [, address, zone] = matches;
+    if (address) {
+        const [last, first] = address.toLowerCase().split('::').reverse();
+        const firstFields = first ? first.split(":").map(_stripLeadingZeros) : [];
+        const lastFields = last.split(":").map(_stripLeadingZeros);
+        const isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]);
+        const fieldCount = isLastFieldIPv4Address ? 7 : 8;
+        const lastFieldsStart = lastFields.length - fieldCount;
+        const fields = Array(fieldCount);
+        for (let x = 0; x < fieldCount; ++x) {
+            fields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || '';
+        }
+        if (isLastFieldIPv4Address) {
+            fields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol);
+        }
+        const allZeroFields = fields.reduce((acc, field, index) => {
+            if (!field || field === "0") {
+                const lastLongest = acc[acc.length - 1];
+                if (lastLongest && lastLongest.index + lastLongest.length === index) {
+                    lastLongest.length++;
+                }
+                else {
+                    acc.push({ index, length: 1 });
+                }
+            }
+            return acc;
+        }, []);
+        const longestZeroFields = allZeroFields.sort((a, b) => b.length - a.length)[0];
+        let newHost;
+        if (longestZeroFields && longestZeroFields.length > 1) {
+            const newFirst = fields.slice(0, longestZeroFields.index);
+            const newLast = fields.slice(longestZeroFields.index + longestZeroFields.length);
+            newHost = newFirst.join(":") + "::" + newLast.join(":");
+        }
+        else {
+            newHost = fields.join(":");
+        }
+        if (zone) {
+            newHost += "%" + zone;
+        }
+        return newHost;
+    }
+    else {
+        return host;
+    }
+}
+const URI_PARSE = /^(?:([^:\/?#]+):)?(?:\/\/((?:([^\/?#@]*)@)?(\[[^\/?#\]]+\]|[^\/?#:]*)(?:\:(\d*))?))?([^?#]*)(?:\?([^#]*))?(?:#((?:.|\n|\r)*))?/i;
+const NO_MATCH_IS_UNDEFINED = ("").match(/(){0}/)[1] === undefined;
+export function parse(uriString, options = {}) {
+    const components = {};
+    const protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);
+    if (options.reference === "suffix")
+        uriString = (options.scheme ? options.scheme + ":" : "") + "//" + uriString;
+    const matches = uriString.match(URI_PARSE);
+    if (matches) {
+        if (NO_MATCH_IS_UNDEFINED) {
+            //store each component
+            components.scheme = matches[1];
+            components.userinfo = matches[3];
+            components.host = matches[4];
+            components.port = parseInt(matches[5], 10);
+            components.path = matches[6] || "";
+            components.query = matches[7];
+            components.fragment = matches[8];
+            //fix port number
+            if (isNaN(components.port)) {
+                components.port = matches[5];
+            }
+        }
+        else { //IE FIX for improper RegExp matching
+            //store each component
+            components.scheme = matches[1] || undefined;
+            components.userinfo = (uriString.indexOf("@") !== -1 ? matches[3] : undefined);
+            components.host = (uriString.indexOf("//") !== -1 ? matches[4] : undefined);
+            components.port = parseInt(matches[5], 10);
+            components.path = matches[6] || "";
+            components.query = (uriString.indexOf("?") !== -1 ? matches[7] : undefined);
+            components.fragment = (uriString.indexOf("#") !== -1 ? matches[8] : undefined);
+            //fix port number
+            if (isNaN(components.port)) {
+                components.port = (uriString.match(/\/\/(?:.|\n)*\:(?:\/|\?|\#|$)/) ? matches[4] : undefined);
+            }
+        }
+        if (components.host) {
+            //normalize IP hosts
+            components.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol);
+        }
+        //determine reference type
+        if (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) {
+            components.reference = "same-document";
+        }
+        else if (components.scheme === undefined) {
+            components.reference = "relative";
+        }
+        else if (components.fragment === undefined) {
+            components.reference = "absolute";
+        }
+        else {
+            components.reference = "uri";
+        }
+        //check for reference errors
+        if (options.reference && options.reference !== "suffix" && options.reference !== components.reference) {
+            components.error = components.error || "URI is not a " + options.reference + " reference.";
+        }
+        //find scheme handler
+        const schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()];
+        //check if scheme can't handle IRIs
+        if (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) {
+            //if host component is a domain name
+            if (components.host && (options.domainHost || (schemeHandler && schemeHandler.domainHost))) {
+                //convert Unicode IDN -> ASCII IDN
+                try {
+                    components.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase());
+                }
+                catch (e) {
+                    components.error = components.error || "Host's domain name can not be converted to ASCII via punycode: " + e;
+                }
+            }
+            //convert IRI -> URI
+            _normalizeComponentEncoding(components, URI_PROTOCOL);
+        }
+        else {
+            //normalize encodings
+            _normalizeComponentEncoding(components, protocol);
+        }
+        //perform scheme specific parsing
+        if (schemeHandler && schemeHandler.parse) {
+            schemeHandler.parse(components, options);
+        }
+    }
+    else {
+        components.error = components.error || "URI can not be parsed.";
+    }
+    return components;
+}
+;
+function _recomposeAuthority(components, options) {
+    const protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);
+    const uriTokens = [];
+    if (components.userinfo !== undefined) {
+        uriTokens.push(components.userinfo);
+        uriTokens.push("@");
+    }
+    if (components.host !== undefined) {
+        //normalize IP hosts, add brackets and escape zone separator for IPv6
+        uriTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, (_, $1, $2) => "[" + $1 + ($2 ? "%25" + $2 : "") + "]"));
+    }
+    if (typeof components.port === "number" || typeof components.port === "string") {
+        uriTokens.push(":");
+        uriTokens.push(String(components.port));
+    }
+    return uriTokens.length ? uriTokens.join("") : undefined;
+}
+;
+const RDS1 = /^\.\.?\//;
+const RDS2 = /^\/\.(\/|$)/;
+const RDS3 = /^\/\.\.(\/|$)/;
+const RDS4 = /^\.\.?$/;
+const RDS5 = /^\/?(?:.|\n)*?(?=\/|$)/;
+export function removeDotSegments(input) {
+    const output = [];
+    while (input.length) {
+        if (input.match(RDS1)) {
+            input = input.replace(RDS1, "");
+        }
+        else if (input.match(RDS2)) {
+            input = input.replace(RDS2, "/");
+        }
+        else if (input.match(RDS3)) {
+            input = input.replace(RDS3, "/");
+            output.pop();
+        }
+        else if (input === "." || input === "..") {
+            input = "";
+        }
+        else {
+            const im = input.match(RDS5);
+            if (im) {
+                const s = im[0];
+                input = input.slice(s.length);
+                output.push(s);
+            }
+            else {
+                throw new Error("Unexpected dot segment condition");
+            }
+        }
+    }
+    return output.join("");
+}
+;
+export function serialize(components, options = {}) {
+    const protocol = (options.iri ? IRI_PROTOCOL : URI_PROTOCOL);
+    const uriTokens = [];
+    //find scheme handler
+    const schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()];
+    //perform scheme specific serialization
+    if (schemeHandler && schemeHandler.serialize)
+        schemeHandler.serialize(components, options);
+    if (components.host) {
+        //if host component is an IPv6 address
+        if (protocol.IPV6ADDRESS.test(components.host)) {
+            //TODO: normalize IPv6 address as per RFC 5952
+        }
+        //if host component is a domain name
+        else if (options.domainHost || (schemeHandler && schemeHandler.domainHost)) {
+            //convert IDN via punycode
+            try {
+                components.host = (!options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host));
+            }
+            catch (e) {
+                components.error = components.error || "Host's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e;
+            }
+        }
+    }
+    //normalize encoding
+    _normalizeComponentEncoding(components, protocol);
+    if (options.reference !== "suffix" && components.scheme) {
+        uriTokens.push(components.scheme);
+        uriTokens.push(":");
+    }
+    const authority = _recomposeAuthority(components, options);
+    if (authority !== undefined) {
+        if (options.reference !== "suffix") {
+            uriTokens.push("//");
+        }
+        uriTokens.push(authority);
+        if (components.path && components.path.charAt(0) !== "/") {
+            uriTokens.push("/");
+        }
+    }
+    if (components.path !== undefined) {
+        let s = components.path;
+        if (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) {
+            s = removeDotSegments(s);
+        }
+        if (authority === undefined) {
+            s = s.replace(/^\/\//, "/%2F"); //don't allow the path to start with "//"
+        }
+        uriTokens.push(s);
+    }
+    if (components.query !== undefined) {
+        uriTokens.push("?");
+        uriTokens.push(components.query);
+    }
+    if (components.fragment !== undefined) {
+        uriTokens.push("#");
+        uriTokens.push(components.fragment);
+    }
+    return uriTokens.join(""); //merge tokens into a string
+}
+;
+export function resolveComponents(base, relative, options = {}, skipNormalization) {
+    const target = {};
+    if (!skipNormalization) {
+        base = parse(serialize(base, options), options); //normalize base components
+        relative = parse(serialize(relative, options), options); //normalize relative components
+    }
+    options = options || {};
+    if (!options.tolerant && relative.scheme) {
+        target.scheme = relative.scheme;
+        //target.authority = relative.authority;
+        target.userinfo = relative.userinfo;
+        target.host = relative.host;
+        target.port = relative.port;
+        target.path = removeDotSegments(relative.path || "");
+        target.query = relative.query;
+    }
+    else {
+        if (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) {
+            //target.authority = relative.authority;
+            target.userinfo = relative.userinfo;
+            target.host = relative.host;
+            target.port = relative.port;
+            target.path = removeDotSegments(relative.path || "");
+            target.query = relative.query;
+        }
+        else {
+            if (!relative.path) {
+                target.path = base.path;
+                if (relative.query !== undefined) {
+                    target.query = relative.query;
+                }
+                else {
+                    target.query = base.query;
+                }
+            }
+            else {
+                if (relative.path.charAt(0) === "/") {
+                    target.path = removeDotSegments(relative.path);
+                }
+                else {
+                    if ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) {
+                        target.path = "/" + relative.path;
+                    }
+                    else if (!base.path) {
+                        target.path = relative.path;
+                    }
+                    else {
+                        target.path = base.path.slice(0, base.path.lastIndexOf("/") + 1) + relative.path;
+                    }
+                    target.path = removeDotSegments(target.path);
+                }
+                target.query = relative.query;
+            }
+            //target.authority = base.authority;
+            target.userinfo = base.userinfo;
+            target.host = base.host;
+            target.port = base.port;
+        }
+        target.scheme = base.scheme;
+    }
+    target.fragment = relative.fragment;
+    return target;
+}
+;
+export function resolve(baseURI, relativeURI, options) {
+    const schemelessOptions = assign({ scheme: 'null' }, options);
+    return serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions);
+}
+;
+export function normalize(uri, options) {
+    if (typeof uri === "string") {
+        uri = serialize(parse(uri, options), options);
+    }
+    else if (typeOf(uri) === "object") {
+        uri = parse(serialize(uri, options), options);
+    }
+    return uri;
+}
+;
+export function equal(uriA, uriB, options) {
+    if (typeof uriA === "string") {
+        uriA = serialize(parse(uriA, options), options);
+    }
+    else if (typeOf(uriA) === "object") {
+        uriA = serialize(uriA, options);
+    }
+    if (typeof uriB === "string") {
+        uriB = serialize(parse(uriB, options), options);
+    }
+    else if (typeOf(uriB) === "object") {
+        uriB = serialize(uriB, options);
+    }
+    return uriA === uriB;
+}
+;
+export function escapeComponent(str, options) {
+    return str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE), pctEncChar);
+}
+;
+export function unescapeComponent(str, options) {
+    return str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED), pctDecChars);
+}
+;
+//# sourceMappingURL=uri.js.map
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/uri.js.map b/node_modules/uri-js/dist/esnext/uri.js.map
new file mode 100644
index 000000000..2e72ab18d
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/uri.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/util.d.ts b/node_modules/uri-js/dist/esnext/util.d.ts
new file mode 100644
index 000000000..7c1285754
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/util.d.ts
@@ -0,0 +1,6 @@
+export declare function merge(...sets: Array<string>): string;
+export declare function subexp(str: string): string;
+export declare function typeOf(o: any): string;
+export declare function toUpperCase(str: string): string;
+export declare function toArray(obj: any): Array<any>;
+export declare function assign(target: object, source: any): any;
diff --git a/node_modules/uri-js/dist/esnext/util.js b/node_modules/uri-js/dist/esnext/util.js
new file mode 100644
index 000000000..072711efd
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/util.js
@@ -0,0 +1,36 @@
+export function merge(...sets) {
+    if (sets.length > 1) {
+        sets[0] = sets[0].slice(0, -1);
+        const xl = sets.length - 1;
+        for (let x = 1; x < xl; ++x) {
+            sets[x] = sets[x].slice(1, -1);
+        }
+        sets[xl] = sets[xl].slice(1);
+        return sets.join('');
+    }
+    else {
+        return sets[0];
+    }
+}
+export function subexp(str) {
+    return "(?:" + str + ")";
+}
+export function typeOf(o) {
+    return o === undefined ? "undefined" : (o === null ? "null" : Object.prototype.toString.call(o).split(" ").pop().split("]").shift().toLowerCase());
+}
+export function toUpperCase(str) {
+    return str.toUpperCase();
+}
+export function toArray(obj) {
+    return obj !== undefined && obj !== null ? (obj instanceof Array ? obj : (typeof obj.length !== "number" || obj.split || obj.setInterval || obj.call ? [obj] : Array.prototype.slice.call(obj))) : [];
+}
+export function assign(target, source) {
+    const obj = target;
+    if (source) {
+        for (const key in source) {
+            obj[key] = source[key];
+        }
+    }
+    return obj;
+}
+//# sourceMappingURL=util.js.map
\ No newline at end of file
diff --git a/node_modules/uri-js/dist/esnext/util.js.map b/node_modules/uri-js/dist/esnext/util.js.map
new file mode 100644
index 000000000..05d9df021
--- /dev/null
+++ b/node_modules/uri-js/dist/esnext/util.js.map
@@ -0,0 +1 @@
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diff --git a/node_modules/uri-js/package.json b/node_modules/uri-js/package.json
new file mode 100644
index 000000000..de95d91aa
--- /dev/null
+++ b/node_modules/uri-js/package.json
@@ -0,0 +1,77 @@
+{
+  "name": "uri-js",
+  "version": "4.4.1",
+  "description": "An RFC 3986/3987 compliant, scheme extendable URI/IRI parsing/validating/resolving library for JavaScript.",
+  "main": "dist/es5/uri.all.js",
+  "types": "dist/es5/uri.all.d.ts",
+  "directories": {
+    "test": "tests"
+  },
+  "files": [
+    "dist",
+    "package.json",
+    "yarn.lock",
+    "README.md",
+    "CHANGELOG",
+    "LICENSE"
+  ],
+  "scripts": {
+    "build:esnext": "tsc",
+    "build:es5": "rollup -c && cp dist/esnext/uri.d.ts dist/es5/uri.all.d.ts && npm run build:es5:fix-sourcemap",
+    "build:es5:fix-sourcemap": "sorcery -i dist/es5/uri.all.js",
+    "build:es5:min": "uglifyjs dist/es5/uri.all.js --support-ie8 --output dist/es5/uri.all.min.js --in-source-map dist/es5/uri.all.js.map --source-map uri.all.min.js.map --comments --compress --mangle --pure-funcs merge subexp && mv uri.all.min.js.map dist/es5/ && cp dist/es5/uri.all.d.ts dist/es5/uri.all.min.d.ts",
+    "build": "npm run build:esnext && npm run build:es5 && npm run build:es5:min",
+    "clean": "rm -rf dist",
+    "test": "mocha -u mocha-qunit-ui dist/es5/uri.all.js tests/tests.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/garycourt/uri-js"
+  },
+  "keywords": [
+    "URI",
+    "IRI",
+    "IDN",
+    "URN",
+    "UUID",
+    "HTTP",
+    "HTTPS",
+    "WS",
+    "WSS",
+    "MAILTO",
+    "RFC3986",
+    "RFC3987",
+    "RFC5891",
+    "RFC2616",
+    "RFC2818",
+    "RFC2141",
+    "RFC4122",
+    "RFC4291",
+    "RFC5952",
+    "RFC6068",
+    "RFC6455",
+    "RFC6874"
+  ],
+  "author": "Gary Court <gary.court@gmail.com>",
+  "license": "BSD-2-Clause",
+  "bugs": {
+    "url": "https://github.com/garycourt/uri-js/issues"
+  },
+  "homepage": "https://github.com/garycourt/uri-js",
+  "devDependencies": {
+    "babel-cli": "^6.26.0",
+    "babel-plugin-external-helpers": "^6.22.0",
+    "babel-preset-latest": "^6.24.1",
+    "mocha": "^8.2.1",
+    "mocha-qunit-ui": "^0.1.3",
+    "rollup": "^0.41.6",
+    "rollup-plugin-babel": "^2.7.1",
+    "rollup-plugin-node-resolve": "^2.0.0",
+    "sorcery": "^0.10.0",
+    "typescript": "^2.8.1",
+    "uglify-js": "^2.8.14"
+  },
+  "dependencies": {
+    "punycode": "^2.1.0"
+  }
+}
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new file mode 100644
index 000000000..3c42ded12
--- /dev/null
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+babylon@^6.18.0:
+  version "6.18.0"
+  resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
+  integrity sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+  integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
+
+base@^0.11.1:
+  version "0.11.2"
+  resolved "https://registry.yarnpkg.com/base/-/base-0.11.2.tgz#7bde5ced145b6d551a90db87f83c558b4eb48a8f"
+  integrity sha512-5T6P4xPgpp0YDFvSWwEZ4NoE3aM4QBQXDzmVbraCkFj8zHM+mba8SyqB5DbZWyR7mYHo6Y7BdQo3MoA4m0TeQg==
+  dependencies:
+    cache-base "^1.0.1"
+    class-utils "^0.3.5"
+    component-emitter "^1.2.1"
+    define-property "^1.0.0"
+    isobject "^3.0.1"
+    mixin-deep "^1.2.0"
+    pascalcase "^0.1.1"
+
+binary-extensions@^1.0.0:
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
+  integrity sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==
+
+binary-extensions@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-2.1.0.tgz#30fa40c9e7fe07dbc895678cd287024dea241dd9"
+  integrity sha512-1Yj8h9Q+QDF5FzhMs/c9+6UntbD5MkRfRwac8DoEm9ZfUBZ7tZ55YcGVAzEe4bXsdQHEk+s9S5wsOKVdZrw0tQ==
+
+bindings@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.5.0.tgz#10353c9e945334bc0511a6d90b38fbc7c9c504df"
+  integrity sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==
+  dependencies:
+    file-uri-to-path "1.0.0"
+
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+braces@^1.8.2:
+  version "1.8.5"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-1.8.5.tgz#ba77962e12dff969d6b76711e914b737857bf6a7"
+  integrity sha1-uneWLhLf+WnWt2cR6RS3N4V79qc=
+  dependencies:
+    expand-range "^1.8.1"
+    preserve "^0.2.0"
+    repeat-element "^1.1.2"
+
+braces@^2.3.1:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.2.tgz#5979fd3f14cd531565e5fa2df1abfff1dfaee729"
+  integrity sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==
+  dependencies:
+    arr-flatten "^1.1.0"
+    array-unique "^0.3.2"
+    extend-shallow "^2.0.1"
+    fill-range "^4.0.0"
+    isobject "^3.0.1"
+    repeat-element "^1.1.2"
+    snapdragon "^0.8.1"
+    snapdragon-node "^2.0.1"
+    split-string "^3.0.2"
+    to-regex "^3.0.1"
+
+braces@~3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-3.0.2.tgz#3454e1a462ee8d599e236df336cd9ea4f8afe107"
+  integrity sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==
+  dependencies:
+    fill-range "^7.0.1"
+
+browser-resolve@^1.11.0:
+  version "1.11.2"
+  resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-1.11.2.tgz#8ff09b0a2c421718a1051c260b32e48f442938ce"
+  dependencies:
+    resolve "1.1.7"
+
+browser-stdout@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.1.tgz#baa559ee14ced73452229bad7326467c61fabd60"
+  integrity sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==
+
+buffer-crc32@^0.2.5:
+  version "0.2.13"
+  resolved "https://registry.yarnpkg.com/buffer-crc32/-/buffer-crc32-0.2.13.tgz#0d333e3f00eac50aa1454abd30ef8c2a5d9a7242"
+
+builtin-modules@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
+
+cache-base@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
+  integrity sha512-AKcdTnFSWATd5/GCPRxr2ChwIJ85CeyrEyjRHlKxQ56d4XJMGym0uAiKn0xbLOGOl3+yRpOTi484dVCEc5AUzQ==
+  dependencies:
+    collection-visit "^1.0.0"
+    component-emitter "^1.2.1"
+    get-value "^2.0.6"
+    has-value "^1.0.0"
+    isobject "^3.0.1"
+    set-value "^2.0.0"
+    to-object-path "^0.3.0"
+    union-value "^1.0.0"
+    unset-value "^1.0.0"
+
+camelcase@^1.0.2:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
+
+camelcase@^5.0.0:
+  version "5.3.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
+  integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
+
+camelcase@^6.0.0:
+  version "6.2.0"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-6.2.0.tgz#924af881c9d525ac9d87f40d964e5cea982a1809"
+  integrity sha512-c7wVvbw3f37nuobQNtgsgG9POC9qMbNuMQmTCqZv23b6MIz0fcYpBiOlv9gEN/hdLdnZTDQhg6e9Dq5M1vKvfg==
+
+center-align@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/center-align/-/center-align-0.1.3.tgz#aa0d32629b6ee972200411cbd4461c907bc2b7ad"
+  dependencies:
+    align-text "^0.1.3"
+    lazy-cache "^1.0.3"
+
+chalk@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  integrity sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=
+  dependencies:
+    ansi-styles "^2.2.1"
+    escape-string-regexp "^1.0.2"
+    has-ansi "^2.0.0"
+    strip-ansi "^3.0.0"
+    supports-color "^2.0.0"
+
+chalk@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-4.1.0.tgz#4e14870a618d9e2edd97dd8345fd9d9dc315646a"
+  integrity sha512-qwx12AxXe2Q5xQ43Ac//I6v5aXTipYrSESdOgzrN+9XjgEpyjpKuvSGaN4qE93f7TQTlerQQ8S+EQ0EyDoVL1A==
+  dependencies:
+    ansi-styles "^4.1.0"
+    supports-color "^7.1.0"
+
+chokidar@3.4.3:
+  version "3.4.3"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.4.3.tgz#c1df38231448e45ca4ac588e6c79573ba6a57d5b"
+  integrity sha512-DtM3g7juCXQxFVSNPNByEC2+NImtBuxQQvWlHunpJIS5Ocr0lG306cC7FCi7cEA0fzmybPUIl4txBIobk1gGOQ==
+  dependencies:
+    anymatch "~3.1.1"
+    braces "~3.0.2"
+    glob-parent "~5.1.0"
+    is-binary-path "~2.1.0"
+    is-glob "~4.0.1"
+    normalize-path "~3.0.0"
+    readdirp "~3.5.0"
+  optionalDependencies:
+    fsevents "~2.1.2"
+
+chokidar@^1.6.1:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
+  integrity sha1-eY5ol3gVHIB2tLNg5e3SjNortGg=
+  dependencies:
+    anymatch "^1.3.0"
+    async-each "^1.0.0"
+    glob-parent "^2.0.0"
+    inherits "^2.0.1"
+    is-binary-path "^1.0.0"
+    is-glob "^2.0.0"
+    path-is-absolute "^1.0.0"
+    readdirp "^2.0.0"
+  optionalDependencies:
+    fsevents "^1.0.0"
+
+class-utils@^0.3.5:
+  version "0.3.6"
+  resolved "https://registry.yarnpkg.com/class-utils/-/class-utils-0.3.6.tgz#f93369ae8b9a7ce02fd41faad0ca83033190c463"
+  integrity sha512-qOhPa/Fj7s6TY8H8esGu5QNpMMQxz79h+urzrNYN6mn+9BnxlDGf5QZ+XeCDsxSjPqsSR56XOZOJmpeurnLMeg==
+  dependencies:
+    arr-union "^3.1.0"
+    define-property "^0.2.5"
+    isobject "^3.0.0"
+    static-extend "^0.1.1"
+
+cliui@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
+  dependencies:
+    center-align "^0.1.1"
+    right-align "^0.1.1"
+    wordwrap "0.0.2"
+
+cliui@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-5.0.0.tgz#deefcfdb2e800784aa34f46fa08e06851c7bbbc5"
+  integrity sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==
+  dependencies:
+    string-width "^3.1.0"
+    strip-ansi "^5.2.0"
+    wrap-ansi "^5.1.0"
+
+collection-visit@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/collection-visit/-/collection-visit-1.0.0.tgz#4bc0373c164bc3291b4d368c829cf1a80a59dca0"
+  integrity sha1-S8A3PBZLwykbTTaMgpzxqApZ3KA=
+  dependencies:
+    map-visit "^1.0.0"
+    object-visit "^1.0.0"
+
+color-convert@^1.9.0:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
+  integrity sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==
+  dependencies:
+    color-name "1.1.3"
+
+color-convert@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
+  integrity sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==
+  dependencies:
+    color-name "~1.1.4"
+
+color-name@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
+  integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
+
+color-name@~1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
+  integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
+
+commander@^2.11.0:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+  integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
+
+component-emitter@^1.2.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.3.0.tgz#16e4070fba8ae29b679f2215853ee181ab2eabc0"
+  integrity sha512-Rd3se6QB+sO1TwqZjscQrurpEPIfO0/yYnSin6Q/rD3mOutHvUrCAhJub3r90uNb+SESBuE0QYoB90YdfatsRg==
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
+
+convert-source-map@^1.5.0, convert-source-map@^1.5.1:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.7.0.tgz#17a2cb882d7f77d3490585e2ce6c524424a3a442"
+  integrity sha512-4FJkXzKXEDB1snCFZlLP4gpC3JILicCpGbzG9f9G7tGqGCzETQ2hWPrcinA9oU4wtf2biUaEH5065UnMeR33oA==
+  dependencies:
+    safe-buffer "~5.1.1"
+
+copy-descriptor@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
+  integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
+
+core-js@^2.4.0, core-js@^2.5.0:
+  version "2.6.12"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.12.tgz#d9333dfa7b065e347cc5682219d6f690859cc2ec"
+  integrity sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==
+
+core-util-is@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
+  integrity sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=
+
+debug@4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.2.0.tgz#7f150f93920e94c58f5574c2fd01a3110effe7f1"
+  integrity sha512-IX2ncY78vDTjZMFUdmsvIRFY2Cf4FnD0wRs+nQwJU8Lu99/tPFdb0VybiiMTPe3I6rQmwsqQqRBvxU+bZ/I8sg==
+  dependencies:
+    ms "2.1.2"
+
+debug@^2.2.0, debug@^2.3.3, debug@^2.6.8, debug@^2.6.9:
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
+  integrity sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==
+  dependencies:
+    ms "2.0.0"
+
+decamelize@^1.0.0, decamelize@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+
+decamelize@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-4.0.0.tgz#aa472d7bf660eb15f3494efd531cab7f2a709837"
+  integrity sha512-9iE1PgSik9HeIIw2JO94IidnE3eBoQrFJ3w7sFuzSX4DpmZ3v5sZpUiV5Swcf6mQEF+Y0ru8Neo+p+nyh2J+hQ==
+
+decode-uri-component@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
+  integrity sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=
+
+define-property@^0.2.5:
+  version "0.2.5"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-0.2.5.tgz#c35b1ef918ec3c990f9a5bc57be04aacec5c8116"
+  integrity sha1-w1se+RjsPJkPmlvFe+BKrOxcgRY=
+  dependencies:
+    is-descriptor "^0.1.0"
+
+define-property@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-1.0.0.tgz#769ebaaf3f4a63aad3af9e8d304c9bbe79bfb0e6"
+  integrity sha1-dp66rz9KY6rTr56NMEybvnm/sOY=
+  dependencies:
+    is-descriptor "^1.0.0"
+
+define-property@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/define-property/-/define-property-2.0.2.tgz#d459689e8d654ba77e02a817f8710d702cb16e9d"
+  integrity sha512-jwK2UV4cnPpbcG7+VRARKTZPUWowwXA8bzH5NP6ud0oeAxyYPuGZUAC7hMugpCdz4BeSZl2Dl9k66CHJ/46ZYQ==
+  dependencies:
+    is-descriptor "^1.0.2"
+    isobject "^3.0.1"
+
+detect-indent@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-4.0.0.tgz#f76d064352cdf43a1cb6ce619c4ee3a9475de208"
+  integrity sha1-920GQ1LN9Docts5hnE7jqUdd4gg=
+  dependencies:
+    repeating "^2.0.0"
+
+diff@4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
+  integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
+
+emoji-regex@^7.0.1:
+  version "7.0.3"
+  resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
+  integrity sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==
+
+es6-promise@^3.1.2:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-3.3.1.tgz#a08cdde84ccdbf34d027a1451bc91d4bcd28a613"
+
+escape-string-regexp@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz#14ba83a5d373e3d311e5afca29cf5bfad965bf34"
+  integrity sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==
+
+escape-string-regexp@^1.0.2:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+  integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
+
+esprima@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
+  integrity sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==
+
+estree-walker@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.2.1.tgz#bdafe8095383d8414d5dc2ecf4c9173b6db9412e"
+
+esutils@^2.0.2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
+  integrity sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==
+
+expand-brackets@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
+  integrity sha1-3wcoTjQqgHzXM6xa9yQR5YHRF3s=
+  dependencies:
+    is-posix-bracket "^0.1.0"
+
+expand-brackets@^2.1.4:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-2.1.4.tgz#b77735e315ce30f6b6eff0f83b04151a22449622"
+  integrity sha1-t3c14xXOMPa27/D4OwQVGiJEliI=
+  dependencies:
+    debug "^2.3.3"
+    define-property "^0.2.5"
+    extend-shallow "^2.0.1"
+    posix-character-classes "^0.1.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
+expand-range@^1.8.1:
+  version "1.8.2"
+  resolved "https://registry.yarnpkg.com/expand-range/-/expand-range-1.8.2.tgz#a299effd335fe2721ebae8e257ec79644fc85337"
+  integrity sha1-opnv/TNf4nIeuujiV+x5ZE/IUzc=
+  dependencies:
+    fill-range "^2.1.0"
+
+extend-shallow@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-2.0.1.tgz#51af7d614ad9a9f610ea1bafbb989d6b1c56890f"
+  integrity sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=
+  dependencies:
+    is-extendable "^0.1.0"
+
+extend-shallow@^3.0.0, extend-shallow@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-3.0.2.tgz#26a71aaf073b39fb2127172746131c2704028db8"
+  integrity sha1-Jqcarwc7OfshJxcnRhMcJwQCjbg=
+  dependencies:
+    assign-symbols "^1.0.0"
+    is-extendable "^1.0.1"
+
+extglob@^0.3.1:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/extglob/-/extglob-0.3.2.tgz#2e18ff3d2f49ab2765cec9023f011daa8d8349a1"
+  integrity sha1-Lhj/PS9JqydlzskCPwEdqo2DSaE=
+  dependencies:
+    is-extglob "^1.0.0"
+
+extglob@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/extglob/-/extglob-2.0.4.tgz#ad00fe4dc612a9232e8718711dc5cb5ab0285543"
+  integrity sha512-Nmb6QXkELsuBr24CJSkilo6UHHgbekK5UiZgfE6UHD3Eb27YC6oD+bhcT+tJ6cl8dmsgdQxnWlcry8ksBIBLpw==
+  dependencies:
+    array-unique "^0.3.2"
+    define-property "^1.0.0"
+    expand-brackets "^2.1.4"
+    extend-shallow "^2.0.1"
+    fragment-cache "^0.2.1"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
+file-uri-to-path@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz#553a7b8446ff6f684359c445f1e37a05dacc33dd"
+  integrity sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==
+
+filename-regex@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/filename-regex/-/filename-regex-2.0.1.tgz#c1c4b9bee3e09725ddb106b75c1e301fe2f18b26"
+  integrity sha1-wcS5vuPglyXdsQa3XB4wH+LxiyY=
+
+fill-range@^2.1.0:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-2.2.4.tgz#eb1e773abb056dcd8df2bfdf6af59b8b3a936565"
+  integrity sha512-cnrcCbj01+j2gTG921VZPnHbjmdAf8oQV/iGeV2kZxGSyfYjjTyY79ErsK1WJWMpw6DaApEX72binqJE+/d+5Q==
+  dependencies:
+    is-number "^2.1.0"
+    isobject "^2.0.0"
+    randomatic "^3.0.0"
+    repeat-element "^1.1.2"
+    repeat-string "^1.5.2"
+
+fill-range@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-4.0.0.tgz#d544811d428f98eb06a63dc402d2403c328c38f7"
+  integrity sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=
+  dependencies:
+    extend-shallow "^2.0.1"
+    is-number "^3.0.0"
+    repeat-string "^1.6.1"
+    to-regex-range "^2.1.0"
+
+fill-range@^7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-7.0.1.tgz#1919a6a7c75fe38b2c7c77e5198535da9acdda40"
+  integrity sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==
+  dependencies:
+    to-regex-range "^5.0.1"
+
+find-up@5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-5.0.0.tgz#4c92819ecb7083561e4f4a240a86be5198f536fc"
+  integrity sha512-78/PXT1wlLLDgTzDs7sjq9hzz0vXD+zn+7wypEe4fXQxCmdmqfGsEPQxmiCSQI3ajFV91bVSsvNtrJRiW6nGng==
+  dependencies:
+    locate-path "^6.0.0"
+    path-exists "^4.0.0"
+
+find-up@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-3.0.0.tgz#49169f1d7993430646da61ecc5ae355c21c97b73"
+  integrity sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==
+  dependencies:
+    locate-path "^3.0.0"
+
+flat@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/flat/-/flat-5.0.2.tgz#8ca6fe332069ffa9d324c327198c598259ceb241"
+  integrity sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ==
+
+for-in@^1.0.1, for-in@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
+  integrity sha1-gQaNKVqBQuwKxybG4iAMMPttXoA=
+
+for-own@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/for-own/-/for-own-0.1.5.tgz#5265c681a4f294dabbf17c9509b6763aa84510ce"
+  integrity sha1-UmXGgaTylNq78XyVCbZ2OqhFEM4=
+  dependencies:
+    for-in "^1.0.1"
+
+fragment-cache@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/fragment-cache/-/fragment-cache-0.2.1.tgz#4290fad27f13e89be7f33799c6bc5a0abfff0d19"
+  integrity sha1-QpD60n8T6Jvn8zeZxrxaCr//DRk=
+  dependencies:
+    map-cache "^0.2.2"
+
+fs-readdir-recursive@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/fs-readdir-recursive/-/fs-readdir-recursive-1.1.0.tgz#e32fc030a2ccee44a6b5371308da54be0b397d27"
+  integrity sha512-GNanXlVr2pf02+sPN40XN8HG+ePaNcvM0q5mZBd668Obwb0yD5GiUbZOFgwn8kGMY6I3mdyDJzieUy3PTYyTRA==
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+  integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
+
+fsevents@^1.0.0:
+  version "1.2.13"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-1.2.13.tgz#f325cb0455592428bcf11b383370ef70e3bfcc38"
+  integrity sha512-oWb1Z6mkHIskLzEJ/XWX0srkpkTQ7vaopMQkyaEIoq0fmtFVxOthb8cCxeT+p3ynTdkk/RZwbgG4brR5BeWECw==
+  dependencies:
+    bindings "^1.5.0"
+    nan "^2.12.1"
+
+fsevents@~2.1.2:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.1.3.tgz#fb738703ae8d2f9fe900c33836ddebee8b97f23e"
+  integrity sha512-Auw9a4AxqWpa9GUfj370BMPzzyncfBABW8Mab7BGWBYDj4Isgq+cDKtx0i6u9jcX9pQDnswsaaOTgTmA5pEjuQ==
+
+get-caller-file@^2.0.1:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
+  integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
+
+get-value@^2.0.3, get-value@^2.0.6:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/get-value/-/get-value-2.0.6.tgz#dc15ca1c672387ca76bd37ac0a395ba2042a2c28"
+  integrity sha1-3BXKHGcjh8p2vTesCjlbogQqLCg=
+
+glob-base@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/glob-base/-/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"
+  integrity sha1-27Fk9iIbHAscz4Kuoyi0l98Oo8Q=
+  dependencies:
+    glob-parent "^2.0.0"
+    is-glob "^2.0.0"
+
+glob-parent@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-2.0.0.tgz#81383d72db054fcccf5336daa902f182f6edbb28"
+  integrity sha1-gTg9ctsFT8zPUzbaqQLxgvbtuyg=
+  dependencies:
+    is-glob "^2.0.0"
+
+glob-parent@~5.1.0:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.1.1.tgz#b6c1ef417c4e5663ea498f1c45afac6916bbc229"
+  integrity sha512-FnI+VGOpnlGHWZxthPGR+QhR78fuiK0sNLkHQv+bL9fQi57lNNdquIbna/WrfROrolq8GK5Ek6BiMwqL/voRYQ==
+  dependencies:
+    is-glob "^4.0.1"
+
+glob@7.1.6, glob@^7.1.2, glob@^7.1.3:
+  version "7.1.6"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
+  integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+globals@^9.18.0:
+  version "9.18.0"
+  resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
+  integrity sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ==
+
+graceful-fs@^4.1.11, graceful-fs@^4.1.4:
+  version "4.2.4"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
+  integrity sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==
+
+graceful-fs@^4.1.3:
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.3.tgz#4a12ff1b60376ef09862c2093edd908328be8423"
+
+growl@1.10.5:
+  version "1.10.5"
+  resolved "https://registry.yarnpkg.com/growl/-/growl-1.10.5.tgz#f2735dc2283674fa67478b10181059355c369e5e"
+  integrity sha512-qBr4OuELkhPenW6goKVXiv47US3clb3/IbuWF9KNKEijAy9oeHxU9IgzjvJhHkUzhaj7rOUD7+YGWqUjLp5oSA==
+
+has-ansi@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/has-ansi/-/has-ansi-2.0.0.tgz#34f5049ce1ecdf2b0649af3ef24e45ed35416d91"
+  integrity sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=
+  dependencies:
+    ansi-regex "^2.0.0"
+
+has-flag@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-4.0.0.tgz#944771fd9c81c81265c4d6941860da06bb59479b"
+  integrity sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==
+
+has-value@^0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/has-value/-/has-value-0.3.1.tgz#7b1f58bada62ca827ec0a2078025654845995e1f"
+  integrity sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=
+  dependencies:
+    get-value "^2.0.3"
+    has-values "^0.1.4"
+    isobject "^2.0.0"
+
+has-value@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-value/-/has-value-1.0.0.tgz#18b281da585b1c5c51def24c930ed29a0be6b177"
+  integrity sha1-GLKB2lhbHFxR3vJMkw7SmgvmsXc=
+  dependencies:
+    get-value "^2.0.6"
+    has-values "^1.0.0"
+    isobject "^3.0.0"
+
+has-values@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/has-values/-/has-values-0.1.4.tgz#6d61de95d91dfca9b9a02089ad384bff8f62b771"
+  integrity sha1-bWHeldkd/Km5oCCJrThL/49it3E=
+
+has-values@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-values/-/has-values-1.0.0.tgz#95b0b63fec2146619a6fe57fe75628d5a39efe4f"
+  integrity sha1-lbC2P+whRmGab+V/51Yo1aOe/k8=
+  dependencies:
+    is-number "^3.0.0"
+    kind-of "^4.0.0"
+
+he@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
+  integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
+
+home-or-tmp@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/home-or-tmp/-/home-or-tmp-2.0.0.tgz#e36c3f2d2cae7d746a857e38d18d5f32a7882db8"
+  integrity sha1-42w/LSyufXRqhX440Y1fMqeILbg=
+  dependencies:
+    os-homedir "^1.0.0"
+    os-tmpdir "^1.0.1"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  integrity sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2, inherits@^2.0.1, inherits@~2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
+invariant@^2.2.2:
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
+  integrity sha512-phJfQVBuaJM5raOpJjSfkiD6BpbCE4Ns//LaXl6wGYtUBY83nWS6Rf9tXm2e8VaK60JEjYldbPif/A2B1C2gNA==
+  dependencies:
+    loose-envify "^1.0.0"
+
+is-accessor-descriptor@^0.1.6:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz#a9e12cb3ae8d876727eeef3843f8a0897b5c98d6"
+  integrity sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-accessor-descriptor@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-accessor-descriptor/-/is-accessor-descriptor-1.0.0.tgz#169c2f6d3df1f992618072365c9b0ea1f6878656"
+  integrity sha512-m5hnHTkcVsPfqx3AKlyttIPb7J+XykHvJP2B9bZDjlhLIoEq4XoK64Vg7boZlVWYK6LUY94dYPEE7Lh0ZkZKcQ==
+  dependencies:
+    kind-of "^6.0.0"
+
+is-binary-path@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-1.0.1.tgz#75f16642b480f187a711c814161fd3a4a7655898"
+  integrity sha1-dfFmQrSA8YenEcgUFh/TpKdlWJg=
+  dependencies:
+    binary-extensions "^1.0.0"
+
+is-binary-path@~2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-2.1.0.tgz#ea1f7f3b80f064236e83470f86c09c254fb45b09"
+  integrity sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==
+  dependencies:
+    binary-extensions "^2.0.0"
+
+is-buffer@^1.1.5:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
+  integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
+
+is-data-descriptor@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz#0b5ee648388e2c860282e793f1856fec3f301b56"
+  integrity sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-data-descriptor@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-data-descriptor/-/is-data-descriptor-1.0.0.tgz#d84876321d0e7add03990406abbbbd36ba9268c7"
+  integrity sha512-jbRXy1FmtAoCjQkVmIVYwuuqDFUbaOeDjmed1tOGPrsMhtJA4rD9tkgA0F1qJ3gRFRXcHYVkdeaP50Q5rE/jLQ==
+  dependencies:
+    kind-of "^6.0.0"
+
+is-descriptor@^0.1.0:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/is-descriptor/-/is-descriptor-0.1.6.tgz#366d8240dde487ca51823b1ab9f07a10a78251ca"
+  integrity sha512-avDYr0SB3DwO9zsMov0gKCESFYqCnE4hq/4z3TdUlukEy5t9C0YRq7HLrsN52NAcqXKaepeCD0n+B0arnVG3Hg==
+  dependencies:
+    is-accessor-descriptor "^0.1.6"
+    is-data-descriptor "^0.1.4"
+    kind-of "^5.0.0"
+
+is-descriptor@^1.0.0, is-descriptor@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-descriptor/-/is-descriptor-1.0.2.tgz#3b159746a66604b04f8c81524ba365c5f14d86ec"
+  integrity sha512-2eis5WqQGV7peooDyLmNEPUrps9+SXX5c9pL3xEB+4e9HnGuDa7mB7kHxHw4CbqS9k1T2hOH3miL8n8WtiYVtg==
+  dependencies:
+    is-accessor-descriptor "^1.0.0"
+    is-data-descriptor "^1.0.0"
+    kind-of "^6.0.2"
+
+is-dotfile@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.3.tgz#a6a2f32ffd2dfb04f5ca25ecd0f6b83cf798a1e1"
+  integrity sha1-pqLzL/0t+wT1yiXs0Pa4PPeYoeE=
+
+is-equal-shallow@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/is-equal-shallow/-/is-equal-shallow-0.1.3.tgz#2238098fc221de0bcfa5d9eac4c45d638aa1c534"
+  integrity sha1-IjgJj8Ih3gvPpdnqxMRdY4qhxTQ=
+  dependencies:
+    is-primitive "^2.0.0"
+
+is-extendable@^0.1.0, is-extendable@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-0.1.1.tgz#62b110e289a471418e3ec36a617d472e301dfc89"
+  integrity sha1-YrEQ4omkcUGOPsNqYX1HLjAd/Ik=
+
+is-extendable@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-1.0.1.tgz#a7470f9e426733d81bd81e1155264e3a3507cab4"
+  integrity sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==
+  dependencies:
+    is-plain-object "^2.0.4"
+
+is-extglob@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-1.0.0.tgz#ac468177c4943405a092fc8f29760c6ffc6206c0"
+  integrity sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=
+
+is-extglob@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
+  integrity sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=
+
+is-finite@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.1.0.tgz#904135c77fb42c0641d6aa1bcdbc4daa8da082f3"
+  integrity sha512-cdyMtqX/BOqqNBBiKlIVkytNHm49MtMlYyn1zxzvJKWmFMlGzm+ry5BBfYyeY9YmNKbRSo/o7OX9w9ale0wg3w==
+
+is-fullwidth-code-point@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
+  integrity sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=
+
+is-glob@^2.0.0, is-glob@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-2.0.1.tgz#d096f926a3ded5600f3fdfd91198cb0888c2d863"
+  integrity sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=
+  dependencies:
+    is-extglob "^1.0.0"
+
+is-glob@^4.0.1, is-glob@~4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.1.tgz#7567dbe9f2f5e2467bc77ab83c4a29482407a5dc"
+  integrity sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==
+  dependencies:
+    is-extglob "^2.1.1"
+
+is-number@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-2.1.0.tgz#01fcbbb393463a548f2f466cce16dece49db908f"
+  integrity sha1-Afy7s5NGOlSPL0ZszhbezknbkI8=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-number@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-3.0.0.tgz#24fd6201a4782cf50561c810276afc7d12d71195"
+  integrity sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=
+  dependencies:
+    kind-of "^3.0.2"
+
+is-number@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-4.0.0.tgz#0026e37f5454d73e356dfe6564699867c6a7f0ff"
+  integrity sha512-rSklcAIlf1OmFdyAqbnWTLVelsQ58uvZ66S/ZyawjWqIviTWCjg2PzVGw8WUA+nNuPTqb4wgA+NszrJ+08LlgQ==
+
+is-number@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-7.0.0.tgz#7535345b896734d5f80c4d06c50955527a14f12b"
+  integrity sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==
+
+is-plain-obj@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-2.1.0.tgz#45e42e37fccf1f40da8e5f76ee21515840c09287"
+  integrity sha512-YWnfyRwxL/+SsrWYfOpUtz5b3YD+nyfkHvjbcanzk8zgyO4ASD67uVMRt8k5bM4lLMDnXfriRhOpemw+NfT1eA==
+
+is-plain-object@^2.0.3, is-plain-object@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/is-plain-object/-/is-plain-object-2.0.4.tgz#2c163b3fafb1b606d9d17928f05c2a1c38e07677"
+  integrity sha512-h5PpgXkWitc38BBMYawTYMWJHFZJVnBquFE57xFpjB8pJFiF6gZ+bU+WyI/yqXiFR5mdLsgYNaPe8uao6Uv9Og==
+  dependencies:
+    isobject "^3.0.1"
+
+is-posix-bracket@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz#3334dc79774368e92f016e6fbc0a88f5cd6e6bc4"
+  integrity sha1-MzTceXdDaOkvAW5vvAqI9c1ua8Q=
+
+is-primitive@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-primitive/-/is-primitive-2.0.0.tgz#207bab91638499c07b2adf240a41a87210034575"
+  integrity sha1-IHurkWOEmcB7Kt8kCkGochADRXU=
+
+is-windows@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
+  integrity sha512-eXK1UInq2bPmjyX6e3VHIzMLobc4J94i4AWn+Hpq3OU5KkrRC96OAcR3PRJ/pGu6m8TRnBHP9dkXQVsT/COVIA==
+
+isarray@1.0.0, isarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+  integrity sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=
+
+isexe@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
+  integrity sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=
+
+isobject@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/isobject/-/isobject-2.1.0.tgz#f065561096a3f1da2ef46272f815c840d87e0c89"
+  integrity sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=
+  dependencies:
+    isarray "1.0.0"
+
+isobject@^3.0.0, isobject@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/isobject/-/isobject-3.0.1.tgz#4e431e92b11a9731636aa1f9c8d1ccbcfdab78df"
+  integrity sha1-TkMekrEalzFjaqH5yNHMvP2reN8=
+
+"js-tokens@^3.0.0 || ^4.0.0":
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
+  integrity sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==
+
+js-tokens@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
+  integrity sha1-mGbfOVECEw449/mWvOtlRDIJwls=
+
+js-yaml@3.14.0:
+  version "3.14.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.0.tgz#a7a34170f26a21bb162424d8adacb4113a69e482"
+  integrity sha512-/4IbIeHcD9VMHFqDR/gQ7EdZdLimOvW2DdcxFjdyyZ9NsbS+ccrXqVWDtab/lRl5AlUqmpBx8EhPaWR+OtY17A==
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
+jsesc@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
+  integrity sha1-RsP+yMGJKxKwgz25vHYiF226s0s=
+
+jsesc@~0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
+
+json5@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
+  integrity sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=
+
+kind-of@^3.0.2, kind-of@^3.0.3, kind-of@^3.2.0:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.2.2.tgz#31ea21a734bab9bbb0f32466d893aea51e4a3c64"
+  integrity sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=
+  dependencies:
+    is-buffer "^1.1.5"
+
+kind-of@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-4.0.0.tgz#20813df3d712928b207378691a45066fae72dd57"
+  integrity sha1-IIE989cSkosgc3hpGkUGb65y3Vc=
+  dependencies:
+    is-buffer "^1.1.5"
+
+kind-of@^5.0.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-5.1.0.tgz#729c91e2d857b7a419a1f9aa65685c4c33f5845d"
+  integrity sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==
+
+kind-of@^6.0.0, kind-of@^6.0.2:
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-6.0.3.tgz#07c05034a6c349fa06e24fa35aa76db4580ce4dd"
+  integrity sha512-dcS1ul+9tmeD95T+x28/ehLgd9mENa3LsvDTtzm3vyBEO7RPptvAD+t44WVXaUjTBRcrpFeFlC8WCruUR456hw==
+
+lazy-cache@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
+
+locate-path@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-3.0.0.tgz#dbec3b3ab759758071b58fe59fc41871af21400e"
+  integrity sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==
+  dependencies:
+    p-locate "^3.0.0"
+    path-exists "^3.0.0"
+
+locate-path@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-6.0.0.tgz#55321eb309febbc59c4801d931a72452a681d286"
+  integrity sha512-iPZK6eYjbxRu3uB4/WZ3EsEIMJFMqAoopl3R+zuq0UjcAm/MO6KCweDgPfP3elTztoKP3KtnVHxTn2NHBSDVUw==
+  dependencies:
+    p-locate "^5.0.0"
+
+lodash@^4.17.4:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+
+log-symbols@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-4.0.0.tgz#69b3cc46d20f448eccdb75ea1fa733d9e821c920"
+  integrity sha512-FN8JBzLx6CzeMrB0tg6pqlGU1wCrXW+ZXGH481kfsBqer0hToTIiHdjH4Mq8xJUbvATujKCvaREGWpGUionraA==
+  dependencies:
+    chalk "^4.0.0"
+
+longest@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
+
+loose-envify@^1.0.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.4.0.tgz#71ee51fa7be4caec1a63839f7e682d8132d30caf"
+  integrity sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==
+  dependencies:
+    js-tokens "^3.0.0 || ^4.0.0"
+
+map-cache@^0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/map-cache/-/map-cache-0.2.2.tgz#c32abd0bd6525d9b051645bb4f26ac5dc98a0dbf"
+  integrity sha1-wyq9C9ZSXZsFFkW7TyasXcmKDb8=
+
+map-visit@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/map-visit/-/map-visit-1.0.0.tgz#ecdca8f13144e660f1b5bd41f12f3479d98dfb8f"
+  integrity sha1-7Nyo8TFE5mDxtb1B8S80edmN+48=
+  dependencies:
+    object-visit "^1.0.0"
+
+math-random@^1.0.1:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/math-random/-/math-random-1.0.4.tgz#5dd6943c938548267016d4e34f057583080c514c"
+  integrity sha512-rUxjysqif/BZQH2yhd5Aaq7vXMSx9NdEsQcyA07uEzIvxgI7zIr33gGsh+RU0/XjmQpCW7RsVof1vlkvQVCK5A==
+
+micromatch@^2.1.5:
+  version "2.3.11"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
+  integrity sha1-hmd8l9FyCzY0MdBNDRUpO9OMFWU=
+  dependencies:
+    arr-diff "^2.0.0"
+    array-unique "^0.2.1"
+    braces "^1.8.2"
+    expand-brackets "^0.1.4"
+    extglob "^0.3.1"
+    filename-regex "^2.0.0"
+    is-extglob "^1.0.0"
+    is-glob "^2.0.1"
+    kind-of "^3.0.2"
+    normalize-path "^2.0.1"
+    object.omit "^2.0.0"
+    parse-glob "^3.0.4"
+    regex-cache "^0.4.2"
+
+micromatch@^3.1.10:
+  version "3.1.10"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
+  integrity sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    braces "^2.3.1"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    extglob "^2.0.4"
+    fragment-cache "^0.2.1"
+    kind-of "^6.0.2"
+    nanomatch "^1.2.9"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.2"
+
+minimatch@3.0.4, minimatch@^3.0.2, minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimist@^1.2.0, minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
+mixin-deep@^1.2.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/mixin-deep/-/mixin-deep-1.3.2.tgz#1120b43dc359a785dce65b55b82e257ccf479566"
+  integrity sha512-WRoDn//mXBiJ1H40rqa3vH0toePwSsGb45iInWlTySa+Uu4k3tYUSxa2v1KqAiLtvlrSzaExqS1gtk96A9zvEA==
+  dependencies:
+    for-in "^1.0.2"
+    is-extendable "^1.0.1"
+
+mkdirp@^0.5.1:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
+  integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
+  dependencies:
+    minimist "^1.2.5"
+
+mocha-qunit-ui@^0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/mocha-qunit-ui/-/mocha-qunit-ui-0.1.3.tgz#e3e1ff1dac33222b10cef681efd7f82664141ea9"
+
+mocha@^8.2.1:
+  version "8.2.1"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-8.2.1.tgz#f2fa68817ed0e53343d989df65ccd358bc3a4b39"
+  integrity sha512-cuLBVfyFfFqbNR0uUKbDGXKGk+UDFe6aR4os78XIrMQpZl/nv7JYHcvP5MFIAb374b2zFXsdgEGwmzMtP0Xg8w==
+  dependencies:
+    "@ungap/promise-all-settled" "1.1.2"
+    ansi-colors "4.1.1"
+    browser-stdout "1.3.1"
+    chokidar "3.4.3"
+    debug "4.2.0"
+    diff "4.0.2"
+    escape-string-regexp "4.0.0"
+    find-up "5.0.0"
+    glob "7.1.6"
+    growl "1.10.5"
+    he "1.2.0"
+    js-yaml "3.14.0"
+    log-symbols "4.0.0"
+    minimatch "3.0.4"
+    ms "2.1.2"
+    nanoid "3.1.12"
+    serialize-javascript "5.0.1"
+    strip-json-comments "3.1.1"
+    supports-color "7.2.0"
+    which "2.0.2"
+    wide-align "1.1.3"
+    workerpool "6.0.2"
+    yargs "13.3.2"
+    yargs-parser "13.1.2"
+    yargs-unparser "2.0.0"
+
+ms@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
+  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
+
+ms@2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+  integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
+
+nan@^2.12.1:
+  version "2.14.2"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.2.tgz#f5376400695168f4cc694ac9393d0c9585eeea19"
+  integrity sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ==
+
+nanoid@3.1.12:
+  version "3.1.12"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.12.tgz#6f7736c62e8d39421601e4a0c77623a97ea69654"
+  integrity sha512-1qstj9z5+x491jfiC4Nelk+f8XBad7LN20PmyWINJEMRSf3wcAjAWysw1qaA8z6NSKe2sjq1hRSDpBH5paCb6A==
+
+nanomatch@^1.2.9:
+  version "1.2.13"
+  resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
+  integrity sha512-fpoe2T0RbHwBTBUOftAfBPaDEi06ufaUai0mE6Yn1kacc3SnTErfb/h+X94VXzI64rKFHYImXSvdwGGCmwOqCA==
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    fragment-cache "^0.2.1"
+    is-windows "^1.0.2"
+    kind-of "^6.0.2"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.1"
+
+normalize-path@^2.0.0, normalize-path@^2.0.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.1.1.tgz#1ab28b556e198363a8c1a6f7e6fa20137fe6aed9"
+  integrity sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=
+  dependencies:
+    remove-trailing-separator "^1.0.1"
+
+normalize-path@^3.0.0, normalize-path@~3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
+  integrity sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==
+
+object-assign@^4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+  integrity sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=
+
+object-copy@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/object-copy/-/object-copy-0.1.0.tgz#7e7d858b781bd7c991a41ba975ed3812754e998c"
+  integrity sha1-fn2Fi3gb18mRpBupde04EnVOmYw=
+  dependencies:
+    copy-descriptor "^0.1.0"
+    define-property "^0.2.5"
+    kind-of "^3.0.3"
+
+object-visit@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/object-visit/-/object-visit-1.0.1.tgz#f79c4493af0c5377b59fe39d395e41042dd045bb"
+  integrity sha1-95xEk68MU3e1n+OdOV5BBC3QRbs=
+  dependencies:
+    isobject "^3.0.0"
+
+object.omit@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/object.omit/-/object.omit-2.0.1.tgz#1a9c744829f39dbb858c76ca3579ae2a54ebd1fa"
+  integrity sha1-Gpx0SCnznbuFjHbKNXmuKlTr0fo=
+  dependencies:
+    for-own "^0.1.4"
+    is-extendable "^0.1.1"
+
+object.pick@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/object.pick/-/object.pick-1.3.0.tgz#87a10ac4c1694bd2e1cbf53591a66141fb5dd747"
+  integrity sha1-h6EKxMFpS9Lhy/U1kaZhQftd10c=
+  dependencies:
+    isobject "^3.0.1"
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
+  dependencies:
+    wrappy "1"
+
+os-homedir@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
+  integrity sha1-/7xJiDNuDoM94MFox+8VISGqf7M=
+
+os-tmpdir@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
+  integrity sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=
+
+output-file-sync@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/output-file-sync/-/output-file-sync-1.1.2.tgz#d0a33eefe61a205facb90092e826598d5245ce76"
+  integrity sha1-0KM+7+YaIF+suQCS6CZZjVJFznY=
+  dependencies:
+    graceful-fs "^4.1.4"
+    mkdirp "^0.5.1"
+    object-assign "^4.1.0"
+
+p-limit@^2.0.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.3.0.tgz#3dd33c647a214fdfffd835933eb086da0dc21db1"
+  integrity sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==
+  dependencies:
+    p-try "^2.0.0"
+
+p-limit@^3.0.2:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-3.1.0.tgz#e1daccbe78d0d1388ca18c64fea38e3e57e3706b"
+  integrity sha512-TYOanM3wGwNGsZN2cVTYPArw454xnXj5qmWF1bEoAc4+cU/ol7GVh7odevjp1FNHduHc3KZMcFduxU5Xc6uJRQ==
+  dependencies:
+    yocto-queue "^0.1.0"
+
+p-locate@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-3.0.0.tgz#322d69a05c0264b25997d9f40cd8a891ab0064a4"
+  integrity sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==
+  dependencies:
+    p-limit "^2.0.0"
+
+p-locate@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-5.0.0.tgz#83c8315c6785005e3bd021839411c9e110e6d834"
+  integrity sha512-LaNjtRWUBY++zB5nE/NwcaoMylSPk+S+ZHNB1TzdbMJMny6dynpAGt7X/tl/QYq3TIeE6nxHppbo2LGymrG5Pw==
+  dependencies:
+    p-limit "^3.0.2"
+
+p-try@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.2.0.tgz#cb2868540e313d61de58fafbe35ce9004d5540e6"
+  integrity sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==
+
+parse-glob@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/parse-glob/-/parse-glob-3.0.4.tgz#b2c376cfb11f35513badd173ef0bb6e3a388391c"
+  integrity sha1-ssN2z7EfNVE7rdFz7wu246OIORw=
+  dependencies:
+    glob-base "^0.3.0"
+    is-dotfile "^1.0.0"
+    is-extglob "^1.0.0"
+    is-glob "^2.0.0"
+
+pascalcase@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
+  integrity sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ=
+
+path-exists@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
+  integrity sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=
+
+path-exists@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-4.0.0.tgz#513bdbe2d3b95d7762e8c1137efa195c6c61b5b3"
+  integrity sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w==
+
+path-is-absolute@^1.0.0, path-is-absolute@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+  integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
+
+path-parse@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
+
+picomatch@^2.0.4, picomatch@^2.2.1:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"
+  integrity sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==
+
+posix-character-classes@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"
+  integrity sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=
+
+preserve@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
+  integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
+
+private@^0.1.6, private@^0.1.7, private@^0.1.8:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
+
+process-nextick-args@~2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
+  integrity sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==
+
+punycode@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-2.1.0.tgz#5f863edc89b96db09074bad7947bf09056ca4e7d"
+
+randomatic@^3.0.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/randomatic/-/randomatic-3.1.1.tgz#b776efc59375984e36c537b2f51a1f0aff0da1ed"
+  integrity sha512-TuDE5KxZ0J461RVjrJZCJc+J+zCkTb1MbH9AQUq68sMhOMcy9jLcb3BrZKgp9q9Ncltdg4QVqWrH02W2EFFVYw==
+  dependencies:
+    is-number "^4.0.0"
+    kind-of "^6.0.0"
+    math-random "^1.0.1"
+
+randombytes@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.1.0.tgz#df6f84372f0270dc65cdf6291349ab7a473d4f2a"
+  integrity sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==
+  dependencies:
+    safe-buffer "^5.1.0"
+
+readable-stream@^2.0.2:
+  version "2.3.7"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
+  integrity sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
+
+readdirp@^2.0.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
+  integrity sha512-1JU/8q+VgFZyxwrJ+SVIOsh+KywWGpds3NTqikiKpDMZWScmAYyKIgqkO+ARvNWJfXeXR1zxz7aHF4u4CyH6vQ==
+  dependencies:
+    graceful-fs "^4.1.11"
+    micromatch "^3.1.10"
+    readable-stream "^2.0.2"
+
+readdirp@~3.5.0:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.5.0.tgz#9ba74c019b15d365278d2e91bb8c48d7b4d42c9e"
+  integrity sha512-cMhu7c/8rdhkHXWsY+osBhfSy0JikwpHK/5+imo+LpeasTF8ouErHrlYkwT0++njiyuDvc7OFY5T3ukvZ8qmFQ==
+  dependencies:
+    picomatch "^2.2.1"
+
+regenerate@^1.2.1:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.3.3.tgz#0c336d3980553d755c39b586ae3b20aa49c82b7f"
+
+regenerator-runtime@^0.10.5:
+  version "0.10.5"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz#336c3efc1220adcedda2c9fab67b5a7955a33658"
+  integrity sha1-M2w+/BIgrc7dosn6tntaeVWjNlg=
+
+regenerator-runtime@^0.11.0:
+  version "0.11.1"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
+  integrity sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==
+
+regenerator-transform@^0.10.0:
+  version "0.10.1"
+  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.10.1.tgz#1e4996837231da8b7f3cf4114d71b5691a0680dd"
+  dependencies:
+    babel-runtime "^6.18.0"
+    babel-types "^6.19.0"
+    private "^0.1.6"
+
+regex-cache@^0.4.2:
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.4.tgz#75bdc58a2a1496cec48a12835bc54c8d562336dd"
+  integrity sha512-nVIZwtCjkC9YgvWkpM55B5rBhBYRZhAaJbgcFYXXsHnbZ9UZI9nnVWYZpBlCqv9ho2eZryPnWrZGsOdPwVWXWQ==
+  dependencies:
+    is-equal-shallow "^0.1.3"
+
+regex-not@^1.0.0, regex-not@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"
+  integrity sha512-J6SDjUgDxQj5NusnOtdFxDwN/+HWykR8GELwctJ7mdqhcyy1xEc4SRFHUXvxTp661YaVKAjfRLZ9cCqS6tn32A==
+  dependencies:
+    extend-shallow "^3.0.2"
+    safe-regex "^1.1.0"
+
+regexpu-core@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-2.0.0.tgz#49d038837b8dcf8bfa5b9a42139938e6ea2ae240"
+  dependencies:
+    regenerate "^1.2.1"
+    regjsgen "^0.2.0"
+    regjsparser "^0.1.4"
+
+regjsgen@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
+
+regjsparser@^0.1.4:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/regjsparser/-/regjsparser-0.1.5.tgz#7ee8f84dc6fa792d3fd0ae228d24bd949ead205c"
+  dependencies:
+    jsesc "~0.5.0"
+
+remove-trailing-separator@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
+  integrity sha1-wkvOKig62tW8P1jg1IJJuSN52O8=
+
+repeat-element@^1.1.2:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.3.tgz#782e0d825c0c5a3bb39731f84efee6b742e6b1ce"
+  integrity sha512-ahGq0ZnV5m5XtZLMb+vP76kcAM5nkLqk0lpqAuojSKGgQtn4eRi4ZZGm2olo2zKFH+sMsWaqOCW1dqAnOru72g==
+
+repeat-string@^1.5.2, repeat-string@^1.6.1:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
+  integrity sha1-jcrkcOHIirwtYA//Sndihtp15jc=
+
+repeating@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/repeating/-/repeating-2.0.1.tgz#5214c53a926d3552707527fbab415dbc08d06dda"
+  integrity sha1-UhTFOpJtNVJwdSf7q0FdvAjQbdo=
+  dependencies:
+    is-finite "^1.0.0"
+
+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+  integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
+
+require-main-filename@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-2.0.0.tgz#d0b329ecc7cc0f61649f62215be69af54aa8989b"
+  integrity sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==
+
+resolve-url@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
+  integrity sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=
+
+resolve@1.1.7:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
+
+resolve@^1.1.6:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.6.0.tgz#0fbd21278b27b4004481c395349e7aba60a9ff5c"
+  dependencies:
+    path-parse "^1.0.5"
+
+ret@~0.1.10:
+  version "0.1.15"
+  resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
+  integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
+
+right-align@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
+  dependencies:
+    align-text "^0.1.1"
+
+rimraf@^2.5.2:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
+  dependencies:
+    glob "^7.1.3"
+
+rollup-plugin-babel@^2.7.1:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-2.7.1.tgz#16528197b0f938a1536f44683c7a93d573182f57"
+  dependencies:
+    babel-core "6"
+    babel-plugin-transform-es2015-classes "^6.9.0"
+    object-assign "^4.1.0"
+    rollup-pluginutils "^1.5.0"
+
+rollup-plugin-node-resolve@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-node-resolve/-/rollup-plugin-node-resolve-2.1.1.tgz#cbb783b0d15b02794d58915350b2f0d902b8ddc8"
+  dependencies:
+    browser-resolve "^1.11.0"
+    builtin-modules "^1.1.0"
+    resolve "^1.1.6"
+
+rollup-pluginutils@^1.5.0:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz#1e156e778f94b7255bfa1b3d0178be8f5c552408"
+  dependencies:
+    estree-walker "^0.2.1"
+    minimatch "^3.0.2"
+
+rollup@^0.41.6:
+  version "0.41.6"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.41.6.tgz#e0d05497877a398c104d816d2733a718a7a94e2a"
+  dependencies:
+    source-map-support "^0.4.0"
+
+safe-buffer@^5.1.0:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
+safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+  version "5.1.2"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
+  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+
+safe-regex@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
+  integrity sha1-QKNmnzsHfR6UPURinhV91IAjvy4=
+  dependencies:
+    ret "~0.1.10"
+
+sander@^0.5.0:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/sander/-/sander-0.5.1.tgz#741e245e231f07cafb6fdf0f133adfa216a502ad"
+  dependencies:
+    es6-promise "^3.1.2"
+    graceful-fs "^4.1.3"
+    mkdirp "^0.5.1"
+    rimraf "^2.5.2"
+
+serialize-javascript@5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-5.0.1.tgz#7886ec848049a462467a97d3d918ebb2aaf934f4"
+  integrity sha512-SaaNal9imEO737H2c05Og0/8LUXG7EnsZyMa8MzkmuHoELfT6txuj0cMqRj6zfPKnmQ1yasR4PCJc8x+M4JSPA==
+  dependencies:
+    randombytes "^2.1.0"
+
+set-blocking@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
+
+set-value@^2.0.0, set-value@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/set-value/-/set-value-2.0.1.tgz#a18d40530e6f07de4228c7defe4227af8cad005b"
+  integrity sha512-JxHc1weCN68wRY0fhCoXpyK55m/XPHafOmK4UWD7m2CI14GMcFypt4w/0+NV5f/ZMby2F6S2wwA7fgynh9gWSw==
+  dependencies:
+    extend-shallow "^2.0.1"
+    is-extendable "^0.1.1"
+    is-plain-object "^2.0.3"
+    split-string "^3.0.1"
+
+slash@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
+  integrity sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU=
+
+snapdragon-node@^2.0.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/snapdragon-node/-/snapdragon-node-2.1.1.tgz#6c175f86ff14bdb0724563e8f3c1b021a286853b"
+  integrity sha512-O27l4xaMYt/RSQ5TR3vpWCAB5Kb/czIcqUFOM/C4fYcLnbZUc1PkjTAMjof2pBWaSTwOUd6qUHcFGVGj7aIwnw==
+  dependencies:
+    define-property "^1.0.0"
+    isobject "^3.0.0"
+    snapdragon-util "^3.0.1"
+
+snapdragon-util@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/snapdragon-util/-/snapdragon-util-3.0.1.tgz#f956479486f2acd79700693f6f7b805e45ab56e2"
+  integrity sha512-mbKkMdQKsjX4BAL4bRYTj21edOf8cN7XHdYUJEe+Zn99hVEYcMvKPct1IqNe7+AZPirn8BCDOQBHQZknqmKlZQ==
+  dependencies:
+    kind-of "^3.2.0"
+
+snapdragon@^0.8.1:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/snapdragon/-/snapdragon-0.8.2.tgz#64922e7c565b0e14204ba1aa7d6964278d25182d"
+  integrity sha512-FtyOnWN/wCHTVXOMwvSv26d+ko5vWlIDD6zoUJ7LW8vh+ZBC8QdljveRP+crNrtBwioEUWy/4dMtbBjA4ioNlg==
+  dependencies:
+    base "^0.11.1"
+    debug "^2.2.0"
+    define-property "^0.2.5"
+    extend-shallow "^2.0.1"
+    map-cache "^0.2.2"
+    source-map "^0.5.6"
+    source-map-resolve "^0.5.0"
+    use "^3.1.0"
+
+sorcery@^0.10.0:
+  version "0.10.0"
+  resolved "https://registry.yarnpkg.com/sorcery/-/sorcery-0.10.0.tgz#8ae90ad7d7cb05fc59f1ab0c637845d5c15a52b7"
+  dependencies:
+    buffer-crc32 "^0.2.5"
+    minimist "^1.2.0"
+    sander "^0.5.0"
+    sourcemap-codec "^1.3.0"
+
+source-map-resolve@^0.5.0:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/source-map-resolve/-/source-map-resolve-0.5.3.tgz#190866bece7553e1f8f267a2ee82c606b5509a1a"
+  integrity sha512-Htz+RnsXWk5+P2slx5Jh3Q66vhQj1Cllm0zvnaY98+NFx+Dv2CF/f5O/t8x+KaNdrdIAsruNzoh/KpialbqAnw==
+  dependencies:
+    atob "^2.1.2"
+    decode-uri-component "^0.2.0"
+    resolve-url "^0.2.1"
+    source-map-url "^0.4.0"
+    urix "^0.1.0"
+
+source-map-support@^0.4.0, source-map-support@^0.4.15:
+  version "0.4.18"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.18.tgz#0286a6de8be42641338594e97ccea75f0a2c585f"
+  dependencies:
+    source-map "^0.5.6"
+
+source-map-url@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
+  integrity sha1-PpNdfd1zYxuXZZlW1VEo6HtQhKM=
+
+source-map@^0.5.6, source-map@^0.5.7, source-map@~0.5.1:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
+  integrity sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=
+
+sourcemap-codec@^1.3.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/sourcemap-codec/-/sourcemap-codec-1.4.1.tgz#c8fd92d91889e902a07aee392bdd2c5863958ba2"
+
+split-string@^3.0.1, split-string@^3.0.2:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/split-string/-/split-string-3.1.0.tgz#7cb09dda3a86585705c64b39a6466038682e8fe2"
+  integrity sha512-NzNVhJDYpwceVVii8/Hu6DKfD2G+NrQHlS/V/qgv763EYudVwEcMQNxd2lh+0VrUByXN/oJkl5grOhYWvQUYiw==
+  dependencies:
+    extend-shallow "^3.0.0"
+
+sprintf-js@~1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+  integrity sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=
+
+static-extend@^0.1.1:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/static-extend/-/static-extend-0.1.2.tgz#60809c39cbff55337226fd5e0b520f341f1fb5c6"
+  integrity sha1-YICcOcv/VTNyJv1eC1IPNB8ftcY=
+  dependencies:
+    define-property "^0.2.5"
+    object-copy "^0.1.0"
+
+"string-width@^1.0.2 || 2":
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
+  integrity sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==
+  dependencies:
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^4.0.0"
+
+string-width@^3.0.0, string-width@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-3.1.0.tgz#22767be21b62af1081574306f69ac51b62203961"
+  integrity sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==
+  dependencies:
+    emoji-regex "^7.0.1"
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^5.1.0"
+
+string_decoder@~1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  integrity sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==
+  dependencies:
+    safe-buffer "~5.1.0"
+
+strip-ansi@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
+  integrity sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=
+  dependencies:
+    ansi-regex "^2.0.0"
+
+strip-ansi@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
+  integrity sha1-qEeQIusaw2iocTibY1JixQXuNo8=
+  dependencies:
+    ansi-regex "^3.0.0"
+
+strip-ansi@^5.0.0, strip-ansi@^5.1.0, strip-ansi@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-5.2.0.tgz#8c9a536feb6afc962bdfa5b104a5091c1ad9c0ae"
+  integrity sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==
+  dependencies:
+    ansi-regex "^4.1.0"
+
+strip-json-comments@3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-3.1.1.tgz#31f1281b3832630434831c310c01cccda8cbe006"
+  integrity sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==
+
+supports-color@7.2.0, supports-color@^7.1.0:
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-7.2.0.tgz#1b7dcdcb32b8138801b3e478ba6a51caa89648da"
+  integrity sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==
+  dependencies:
+    has-flag "^4.0.0"
+
+supports-color@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
+  integrity sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=
+
+to-fast-properties@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
+  integrity sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=
+
+to-object-path@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/to-object-path/-/to-object-path-0.3.0.tgz#297588b7b0e7e0ac08e04e672f85c1f4999e17af"
+  integrity sha1-KXWIt7Dn4KwI4E5nL4XB9JmeF68=
+  dependencies:
+    kind-of "^3.0.2"
+
+to-regex-range@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-2.1.1.tgz#7c80c17b9dfebe599e27367e0d4dd5590141db38"
+  integrity sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=
+  dependencies:
+    is-number "^3.0.0"
+    repeat-string "^1.6.1"
+
+to-regex-range@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-5.0.1.tgz#1648c44aae7c8d988a326018ed72f5b4dd0392e4"
+  integrity sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==
+  dependencies:
+    is-number "^7.0.0"
+
+to-regex@^3.0.1, to-regex@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/to-regex/-/to-regex-3.0.2.tgz#13cfdd9b336552f30b51f33a8ae1b42a7a7599ce"
+  integrity sha512-FWtleNAtZ/Ki2qtqej2CXTOayOH9bHDQF+Q48VpWyDXjbYxA4Yz8iDB31zXOBUlOHHKidDbqGVrTUvQMPmBGBw==
+  dependencies:
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    regex-not "^1.0.2"
+    safe-regex "^1.1.0"
+
+trim-right@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
+  integrity sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=
+
+typescript@^2.8.1:
+  version "2.8.1"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.8.1.tgz#6160e4f8f195d5ba81d4876f9c0cc1fbc0820624"
+
+uglify-js@^2.8.14:
+  version "2.8.29"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
+  dependencies:
+    source-map "~0.5.1"
+    yargs "~3.10.0"
+  optionalDependencies:
+    uglify-to-browserify "~1.0.0"
+
+uglify-to-browserify@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
+
+union-value@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.1.tgz#0b6fe7b835aecda61c6ea4d4f02c14221e109847"
+  integrity sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==
+  dependencies:
+    arr-union "^3.1.0"
+    get-value "^2.0.6"
+    is-extendable "^0.1.1"
+    set-value "^2.0.1"
+
+unset-value@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unset-value/-/unset-value-1.0.0.tgz#8376873f7d2335179ffb1e6fc3a8ed0dfc8ab559"
+  integrity sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=
+  dependencies:
+    has-value "^0.3.1"
+    isobject "^3.0.0"
+
+urix@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
+  integrity sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=
+
+use@^3.1.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/use/-/use-3.1.1.tgz#d50c8cac79a19fbc20f2911f56eb973f4e10070f"
+  integrity sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==
+
+user-home@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/user-home/-/user-home-1.1.1.tgz#2b5be23a32b63a7c9deb8d0f28d485724a3df190"
+  integrity sha1-K1viOjK2Onyd640PKNSFcko98ZA=
+
+util-deprecate@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+  integrity sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
+
+v8flags@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-2.1.1.tgz#aab1a1fa30d45f88dd321148875ac02c0b55e5b4"
+  integrity sha1-qrGh+jDUX4jdMhFIh1rALAtV5bQ=
+  dependencies:
+    user-home "^1.1.1"
+
+which-module@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
+  integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
+
+which@2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/which/-/which-2.0.2.tgz#7c6a8dd0a636a0327e10b59c9286eee93f3f51b1"
+  integrity sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==
+  dependencies:
+    isexe "^2.0.0"
+
+wide-align@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.3.tgz#ae074e6bdc0c14a431e804e624549c633b000457"
+  integrity sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==
+  dependencies:
+    string-width "^1.0.2 || 2"
+
+window-size@0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
+
+wordwrap@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
+
+workerpool@6.0.2:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/workerpool/-/workerpool-6.0.2.tgz#e241b43d8d033f1beb52c7851069456039d1d438"
+  integrity sha512-DSNyvOpFKrNusaaUwk+ej6cBj1bmhLcBfj80elGk+ZIo5JSkq+unB1dLKEOcNfJDZgjGICfhQ0Q5TbP0PvF4+Q==
+
+wrap-ansi@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-5.1.0.tgz#1fd1f67235d5b6d0fee781056001bfb694c03b09"
+  integrity sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==
+  dependencies:
+    ansi-styles "^3.2.0"
+    string-width "^3.0.0"
+    strip-ansi "^5.0.0"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+  integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
+
+y18n@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.1.tgz#8db2b83c31c5d75099bb890b23f3094891e247d4"
+  integrity sha512-wNcy4NvjMYL8gogWWYAO7ZFWFfHcbdbE57tZO8e4cbpj8tfUcwrwqSl3ad8HxpYWCdXcJUCeKKZS62Av1affwQ==
+
+yargs-parser@13.1.2, yargs-parser@^13.1.2:
+  version "13.1.2"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-13.1.2.tgz#130f09702ebaeef2650d54ce6e3e5706f7a4fb38"
+  integrity sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
+yargs-unparser@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/yargs-unparser/-/yargs-unparser-2.0.0.tgz#f131f9226911ae5d9ad38c432fe809366c2325eb"
+  integrity sha512-7pRTIA9Qc1caZ0bZ6RYRGbHJthJWuakf+WmHK0rVeLkNrrGhfoabBNdue6kdINI6r4if7ocq9aD/n7xwKOdzOA==
+  dependencies:
+    camelcase "^6.0.0"
+    decamelize "^4.0.0"
+    flat "^5.0.2"
+    is-plain-obj "^2.1.0"
+
+yargs@13.3.2:
+  version "13.3.2"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.3.2.tgz#ad7ffefec1aa59565ac915f82dccb38a9c31a2dd"
+  integrity sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==
+  dependencies:
+    cliui "^5.0.0"
+    find-up "^3.0.0"
+    get-caller-file "^2.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^2.0.0"
+    set-blocking "^2.0.0"
+    string-width "^3.0.0"
+    which-module "^2.0.0"
+    y18n "^4.0.0"
+    yargs-parser "^13.1.2"
+
+yargs@~3.10.0:
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
+  dependencies:
+    camelcase "^1.0.2"
+    cliui "^2.1.0"
+    decamelize "^1.0.0"
+    window-size "0.1.0"
+
+yocto-queue@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/yocto-queue/-/yocto-queue-0.1.0.tgz#0294eb3dee05028d31ee1a5fa2c556a6aaf10a1b"
+  integrity sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==
diff --git a/node_modules/utils-merge/.npmignore b/node_modules/utils-merge/.npmignore
new file mode 100644
index 000000000..3e5384418
--- /dev/null
+++ b/node_modules/utils-merge/.npmignore
@@ -0,0 +1,9 @@
+CONTRIBUTING.md
+Makefile
+docs/
+examples/
+reports/
+test/
+
+.jshintrc
+.travis.yml
diff --git a/node_modules/utils-merge/LICENSE b/node_modules/utils-merge/LICENSE
new file mode 100644
index 000000000..76f6d083d
--- /dev/null
+++ b/node_modules/utils-merge/LICENSE
@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2013-2017 Jared Hanson
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/utils-merge/README.md b/node_modules/utils-merge/README.md
new file mode 100644
index 000000000..0cb711712
--- /dev/null
+++ b/node_modules/utils-merge/README.md
@@ -0,0 +1,34 @@
+# utils-merge
+
+[![Version](https://img.shields.io/npm/v/utils-merge.svg?label=version)](https://www.npmjs.com/package/utils-merge)
+[![Build](https://img.shields.io/travis/jaredhanson/utils-merge.svg)](https://travis-ci.org/jaredhanson/utils-merge)
+[![Quality](https://img.shields.io/codeclimate/github/jaredhanson/utils-merge.svg?label=quality)](https://codeclimate.com/github/jaredhanson/utils-merge)
+[![Coverage](https://img.shields.io/coveralls/jaredhanson/utils-merge.svg)](https://coveralls.io/r/jaredhanson/utils-merge)
+[![Dependencies](https://img.shields.io/david/jaredhanson/utils-merge.svg)](https://david-dm.org/jaredhanson/utils-merge)
+
+
+Merges the properties from a source object into a destination object.
+
+## Install
+
+```bash
+$ npm install utils-merge
+```
+
+## Usage
+
+```javascript
+var a = { foo: 'bar' }
+  , b = { bar: 'baz' };
+
+merge(a, b);
+// => { foo: 'bar', bar: 'baz' }
+```
+
+## License
+
+[The MIT License](http://opensource.org/licenses/MIT)
+
+Copyright (c) 2013-2017 Jared Hanson <[http://jaredhanson.net/](http://jaredhanson.net/)>
+
+<a target='_blank' rel='nofollow' href='https://app.codesponsor.io/link/vK9dyjRnnWsMzzJTQ57fRJpH/jaredhanson/utils-merge'>  <img alt='Sponsor' width='888' height='68' src='https://app.codesponsor.io/embed/vK9dyjRnnWsMzzJTQ57fRJpH/jaredhanson/utils-merge.svg' /></a>
diff --git a/node_modules/utils-merge/index.js b/node_modules/utils-merge/index.js
new file mode 100644
index 000000000..4265c694f
--- /dev/null
+++ b/node_modules/utils-merge/index.js
@@ -0,0 +1,23 @@
+/**
+ * Merge object b with object a.
+ *
+ *     var a = { foo: 'bar' }
+ *       , b = { bar: 'baz' };
+ *
+ *     merge(a, b);
+ *     // => { foo: 'bar', bar: 'baz' }
+ *
+ * @param {Object} a
+ * @param {Object} b
+ * @return {Object}
+ * @api public
+ */
+
+exports = module.exports = function(a, b){
+  if (a && b) {
+    for (var key in b) {
+      a[key] = b[key];
+    }
+  }
+  return a;
+};
diff --git a/node_modules/utils-merge/package.json b/node_modules/utils-merge/package.json
new file mode 100644
index 000000000..e36b0781c
--- /dev/null
+++ b/node_modules/utils-merge/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "utils-merge",
+  "version": "1.0.1",
+  "description": "merge() utility function",
+  "keywords": [
+    "util"
+  ],
+  "author": {
+    "name": "Jared Hanson",
+    "email": "jaredhanson@gmail.com",
+    "url": "http://www.jaredhanson.net/"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/jaredhanson/utils-merge.git"
+  },
+  "bugs": {
+    "url": "http://github.com/jaredhanson/utils-merge/issues"
+  },
+  "license": "MIT",
+  "licenses": [
+    {
+      "type": "MIT",
+      "url": "http://opensource.org/licenses/MIT"
+    }
+  ],
+  "main": "./index",
+  "dependencies": {},
+  "devDependencies": {
+    "make-node": "0.3.x",
+    "mocha": "1.x.x",
+    "chai": "1.x.x"
+  },
+  "engines": {
+    "node": ">= 0.4.0"
+  },
+  "scripts": {
+    "test": "node_modules/.bin/mocha --reporter spec --require test/bootstrap/node test/*.test.js"
+  }
+}
diff --git a/node_modules/uuid/AUTHORS b/node_modules/uuid/AUTHORS
new file mode 100644
index 000000000..5a1052306
--- /dev/null
+++ b/node_modules/uuid/AUTHORS
@@ -0,0 +1,5 @@
+Robert Kieffer <robert@broofa.com>
+Christoph Tavan <dev@tavan.de>
+AJ ONeal <coolaj86@gmail.com>
+Vincent Voyer <vincent@zeroload.net>
+Roman Shtylman <shtylman@gmail.com>
diff --git a/node_modules/uuid/CHANGELOG.md b/node_modules/uuid/CHANGELOG.md
new file mode 100644
index 000000000..f811b8a0c
--- /dev/null
+++ b/node_modules/uuid/CHANGELOG.md
@@ -0,0 +1,119 @@
+# Changelog
+
+All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
+
+## [3.4.0](https://github.com/uuidjs/uuid/compare/v3.3.3...v3.4.0) (2020-01-16)
+
+
+### Features
+
+* rename repository to github:uuidjs/uuid ([#351](https://github.com/uuidjs/uuid/issues/351)) ([e2d7314](https://github.com/uuidjs/uuid/commit/e2d7314)), closes [#338](https://github.com/uuidjs/uuid/issues/338)
+
+### [3.3.3](https://github.com/uuidjs/uuid/compare/v3.3.2...v3.3.3) (2019-08-19)
+
+<a name="3.3.2"></a>
+## [3.3.2](https://github.com/uuidjs/uuid/compare/v3.3.1...v3.3.2) (2018-06-28)
+
+
+### Bug Fixes
+
+* typo ([305d877](https://github.com/uuidjs/uuid/commit/305d877))
+
+
+
+<a name="3.3.1"></a>
+## [3.3.1](https://github.com/uuidjs/uuid/compare/v3.3.0...v3.3.1) (2018-06-28)
+
+
+### Bug Fixes
+
+* fix [#284](https://github.com/uuidjs/uuid/issues/284) by setting function name in try-catch ([f2a60f2](https://github.com/uuidjs/uuid/commit/f2a60f2))
+
+
+
+<a name="3.3.0"></a>
+# [3.3.0](https://github.com/uuidjs/uuid/compare/v3.2.1...v3.3.0) (2018-06-22)
+
+
+### Bug Fixes
+
+* assignment to readonly property to allow running in strict mode ([#270](https://github.com/uuidjs/uuid/issues/270)) ([d062fdc](https://github.com/uuidjs/uuid/commit/d062fdc))
+* fix [#229](https://github.com/uuidjs/uuid/issues/229) ([c9684d4](https://github.com/uuidjs/uuid/commit/c9684d4))
+* Get correct version of IE11 crypto ([#274](https://github.com/uuidjs/uuid/issues/274)) ([153d331](https://github.com/uuidjs/uuid/commit/153d331))
+* mem issue when generating uuid ([#267](https://github.com/uuidjs/uuid/issues/267)) ([c47702c](https://github.com/uuidjs/uuid/commit/c47702c))
+
+### Features
+
+* enforce Conventional Commit style commit messages ([#282](https://github.com/uuidjs/uuid/issues/282)) ([cc9a182](https://github.com/uuidjs/uuid/commit/cc9a182))
+
+
+<a name="3.2.1"></a>
+## [3.2.1](https://github.com/uuidjs/uuid/compare/v3.2.0...v3.2.1) (2018-01-16)
+
+
+### Bug Fixes
+
+* use msCrypto if available. Fixes [#241](https://github.com/uuidjs/uuid/issues/241) ([#247](https://github.com/uuidjs/uuid/issues/247)) ([1fef18b](https://github.com/uuidjs/uuid/commit/1fef18b))
+
+
+
+<a name="3.2.0"></a>
+# [3.2.0](https://github.com/uuidjs/uuid/compare/v3.1.0...v3.2.0) (2018-01-16)
+
+
+### Bug Fixes
+
+* remove mistakenly added typescript dependency, rollback version (standard-version will auto-increment) ([09fa824](https://github.com/uuidjs/uuid/commit/09fa824))
+* use msCrypto if available. Fixes [#241](https://github.com/uuidjs/uuid/issues/241) ([#247](https://github.com/uuidjs/uuid/issues/247)) ([1fef18b](https://github.com/uuidjs/uuid/commit/1fef18b))
+
+
+### Features
+
+* Add v3 Support ([#217](https://github.com/uuidjs/uuid/issues/217)) ([d94f726](https://github.com/uuidjs/uuid/commit/d94f726))
+
+
+# [3.1.0](https://github.com/uuidjs/uuid/compare/v3.1.0...v3.0.1) (2017-06-17)
+
+### Bug Fixes
+
+* (fix) Add .npmignore file to exclude test/ and other non-essential files from packing. (#183)
+* Fix typo (#178)
+* Simple typo fix (#165)
+
+### Features
+* v5 support in CLI (#197)
+* V5 support (#188)
+
+
+# 3.0.1 (2016-11-28)
+
+* split uuid versions into separate files
+
+
+# 3.0.0 (2016-11-17)
+
+* remove .parse and .unparse
+
+
+# 2.0.0
+
+* Removed uuid.BufferClass
+
+
+# 1.4.0
+
+* Improved module context detection
+* Removed public RNG functions
+
+
+# 1.3.2
+
+* Improve tests and handling of v1() options (Issue #24)
+* Expose RNG option to allow for perf testing with different generators
+
+
+# 1.3.0
+
+* Support for version 1 ids, thanks to [@ctavan](https://github.com/ctavan)!
+* Support for node.js crypto API
+* De-emphasizing performance in favor of a) cryptographic quality PRNGs where available and b) more manageable code
diff --git a/node_modules/uuid/LICENSE.md b/node_modules/uuid/LICENSE.md
new file mode 100644
index 000000000..8c84e3986
--- /dev/null
+++ b/node_modules/uuid/LICENSE.md
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2010-2016 Robert Kieffer and other contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/uuid/README.md b/node_modules/uuid/README.md
new file mode 100644
index 000000000..1752e4751
--- /dev/null
+++ b/node_modules/uuid/README.md
@@ -0,0 +1,276 @@
+<!--
+  -- This file is auto-generated from README_js.md. Changes should be made there.
+  -->
+
+# uuid [![Build Status](https://secure.travis-ci.org/kelektiv/node-uuid.svg?branch=master)](http://travis-ci.org/kelektiv/node-uuid) #
+
+Simple, fast generation of [RFC4122](http://www.ietf.org/rfc/rfc4122.txt) UUIDS.
+
+Features:
+
+* Support for version 1, 3, 4 and 5 UUIDs
+* Cross-platform
+* Uses cryptographically-strong random number APIs (when available)
+* Zero-dependency, small footprint (... but not [this small](https://gist.github.com/982883))
+
+[**Deprecation warning**: The use of `require('uuid')` is deprecated and will not be
+supported after version 3.x of this module.  Instead, use `require('uuid/[v1|v3|v4|v5]')` as shown in the examples below.]
+
+## Quickstart - CommonJS (Recommended)
+
+```shell
+npm install uuid
+```
+
+Then generate your uuid version of choice ...
+
+Version 1 (timestamp):
+
+```javascript
+const uuidv1 = require('uuid/v1');
+uuidv1(); // ⇨ '2c5ea4c0-4067-11e9-8bad-9b1deb4d3b7d'
+
+```
+
+Version 3 (namespace):
+
+```javascript
+const uuidv3 = require('uuid/v3');
+
+// ... using predefined DNS namespace (for domain names)
+uuidv3('hello.example.com', uuidv3.DNS); // ⇨ '9125a8dc-52ee-365b-a5aa-81b0b3681cf6'
+
+// ... using predefined URL namespace (for, well, URLs)
+uuidv3('http://example.com/hello', uuidv3.URL); // ⇨ 'c6235813-3ba4-3801-ae84-e0a6ebb7d138'
+
+// ... using a custom namespace
+//
+// Note: Custom namespaces should be a UUID string specific to your application!
+// E.g. the one here was generated using this modules `uuid` CLI.
+const MY_NAMESPACE = '1b671a64-40d5-491e-99b0-da01ff1f3341';
+uuidv3('Hello, World!', MY_NAMESPACE); // ⇨ 'e8b5a51d-11c8-3310-a6ab-367563f20686'
+
+```
+
+Version 4 (random):
+
+```javascript
+const uuidv4 = require('uuid/v4');
+uuidv4(); // ⇨ '1b9d6bcd-bbfd-4b2d-9b5d-ab8dfbbd4bed'
+
+```
+
+Version 5 (namespace):
+
+```javascript
+const uuidv5 = require('uuid/v5');
+
+// ... using predefined DNS namespace (for domain names)
+uuidv5('hello.example.com', uuidv5.DNS); // ⇨ 'fdda765f-fc57-5604-a269-52a7df8164ec'
+
+// ... using predefined URL namespace (for, well, URLs)
+uuidv5('http://example.com/hello', uuidv5.URL); // ⇨ '3bbcee75-cecc-5b56-8031-b6641c1ed1f1'
+
+// ... using a custom namespace
+//
+// Note: Custom namespaces should be a UUID string specific to your application!
+// E.g. the one here was generated using this modules `uuid` CLI.
+const MY_NAMESPACE = '1b671a64-40d5-491e-99b0-da01ff1f3341';
+uuidv5('Hello, World!', MY_NAMESPACE); // ⇨ '630eb68f-e0fa-5ecc-887a-7c7a62614681'
+
+```
+
+## API
+
+### Version 1
+
+```javascript
+const uuidv1 = require('uuid/v1');
+
+// Incantations
+uuidv1();
+uuidv1(options);
+uuidv1(options, buffer, offset);
+```
+
+Generate and return a RFC4122 v1 (timestamp-based) UUID.
+
+* `options` - (Object) Optional uuid state to apply. Properties may include:
+
+  * `node` - (Array) Node id as Array of 6 bytes (per 4.1.6). Default: Randomly generated ID.  See note 1.
+  * `clockseq` - (Number between 0 - 0x3fff) RFC clock sequence.  Default: An internally maintained clockseq is used.
+  * `msecs` - (Number) Time in milliseconds since unix Epoch.  Default: The current time is used.
+  * `nsecs` - (Number between 0-9999) additional time, in 100-nanosecond units. Ignored if `msecs` is unspecified. Default: internal uuid counter is used, as per 4.2.1.2.
+
+* `buffer` - (Array | Buffer) Array or buffer where UUID bytes are to be written.
+* `offset` - (Number) Starting index in `buffer` at which to begin writing.
+
+Returns `buffer`, if specified, otherwise the string form of the UUID
+
+Note: The default [node id](https://tools.ietf.org/html/rfc4122#section-4.1.6) (the last 12 digits in the UUID) is generated once, randomly, on process startup, and then remains unchanged for the duration of the process.
+
+Example: Generate string UUID with fully-specified options
+
+```javascript
+const v1options = {
+  node: [0x01, 0x23, 0x45, 0x67, 0x89, 0xab],
+  clockseq: 0x1234,
+  msecs: new Date('2011-11-01').getTime(),
+  nsecs: 5678
+};
+uuidv1(v1options); // ⇨ '710b962e-041c-11e1-9234-0123456789ab'
+
+```
+
+Example: In-place generation of two binary IDs
+
+```javascript
+// Generate two ids in an array
+const arr = new Array();
+uuidv1(null, arr, 0);  // ⇨ 
+  // [
+  //    44,  94, 164, 192,  64, 103,
+  //    17, 233, 146,  52, 155,  29,
+  //   235,  77,  59, 125
+  // ]
+uuidv1(null, arr, 16); // ⇨ 
+  // [
+  //    44, 94, 164, 192,  64, 103, 17, 233,
+  //   146, 52, 155,  29, 235,  77, 59, 125,
+  //    44, 94, 164, 193,  64, 103, 17, 233,
+  //   146, 52, 155,  29, 235,  77, 59, 125
+  // ]
+
+```
+
+### Version 3
+
+```javascript
+const uuidv3 = require('uuid/v3');
+
+// Incantations
+uuidv3(name, namespace);
+uuidv3(name, namespace, buffer);
+uuidv3(name, namespace, buffer, offset);
+```
+
+Generate and return a RFC4122 v3 UUID.
+
+* `name` - (String | Array[]) "name" to create UUID with
+* `namespace` - (String | Array[]) "namespace" UUID either as a String or Array[16] of byte values
+* `buffer` - (Array | Buffer) Array or buffer where UUID bytes are to be written.
+* `offset` - (Number) Starting index in `buffer` at which to begin writing. Default = 0
+
+Returns `buffer`, if specified, otherwise the string form of the UUID
+
+Example:
+
+```javascript
+uuidv3('hello world', MY_NAMESPACE);  // ⇨ '042ffd34-d989-321c-ad06-f60826172424'
+
+```
+
+### Version 4
+
+```javascript
+const uuidv4 = require('uuid/v4')
+
+// Incantations
+uuidv4();
+uuidv4(options);
+uuidv4(options, buffer, offset);
+```
+
+Generate and return a RFC4122 v4 UUID.
+
+* `options` - (Object) Optional uuid state to apply. Properties may include:
+  * `random` - (Number[16]) Array of 16 numbers (0-255) to use in place of randomly generated values
+  * `rng` - (Function) Random # generator function that returns an Array[16] of byte values (0-255)
+* `buffer` - (Array | Buffer) Array or buffer where UUID bytes are to be written.
+* `offset` - (Number) Starting index in `buffer` at which to begin writing.
+
+Returns `buffer`, if specified, otherwise the string form of the UUID
+
+Example: Generate string UUID with predefined `random` values
+
+```javascript
+const v4options = {
+  random: [
+    0x10, 0x91, 0x56, 0xbe, 0xc4, 0xfb, 0xc1, 0xea,
+    0x71, 0xb4, 0xef, 0xe1, 0x67, 0x1c, 0x58, 0x36
+  ]
+};
+uuidv4(v4options); // ⇨ '109156be-c4fb-41ea-b1b4-efe1671c5836'
+
+```
+
+Example: Generate two IDs in a single buffer
+
+```javascript
+const buffer = new Array();
+uuidv4(null, buffer, 0);  // ⇨ 
+  // [
+  //   155, 29, 235,  77,  59,
+  //   125, 75, 173, 155, 221,
+  //    43, 13, 123,  61, 203,
+  //   109
+  // ]
+uuidv4(null, buffer, 16); // ⇨ 
+  // [
+  //   155,  29, 235,  77,  59, 125,  75, 173,
+  //   155, 221,  43,  13, 123,  61, 203, 109,
+  //    27, 157, 107, 205, 187, 253,  75,  45,
+  //   155,  93, 171, 141, 251, 189,  75, 237
+  // ]
+
+```
+
+### Version 5
+
+```javascript
+const uuidv5 = require('uuid/v5');
+
+// Incantations
+uuidv5(name, namespace);
+uuidv5(name, namespace, buffer);
+uuidv5(name, namespace, buffer, offset);
+```
+
+Generate and return a RFC4122 v5 UUID.
+
+* `name` - (String | Array[]) "name" to create UUID with
+* `namespace` - (String | Array[]) "namespace" UUID either as a String or Array[16] of byte values
+* `buffer` - (Array | Buffer) Array or buffer where UUID bytes are to be written.
+* `offset` - (Number) Starting index in `buffer` at which to begin writing. Default = 0
+
+Returns `buffer`, if specified, otherwise the string form of the UUID
+
+Example:
+
+```javascript
+uuidv5('hello world', MY_NAMESPACE);  // ⇨ '9f282611-e0fd-5650-8953-89c8e342da0b'
+
+```
+
+## Command Line
+
+UUIDs can be generated from the command line with the `uuid` command.
+
+```shell
+$ uuid
+ddeb27fb-d9a0-4624-be4d-4615062daed4
+
+$ uuid v1
+02d37060-d446-11e7-a9fa-7bdae751ebe1
+```
+
+Type `uuid --help` for usage details
+
+## Testing
+
+```shell
+npm test
+```
+
+----
+Markdown generated from [README_js.md](README_js.md) by [![RunMD Logo](http://i.imgur.com/h0FVyzU.png)](https://github.com/broofa/runmd)
\ No newline at end of file
diff --git a/node_modules/uuid/bin/uuid b/node_modules/uuid/bin/uuid
new file mode 100644
index 000000000..502626e60
--- /dev/null
+++ b/node_modules/uuid/bin/uuid
@@ -0,0 +1,65 @@
+#!/usr/bin/env node
+var assert = require('assert');
+
+function usage() {
+  console.log('Usage:');
+  console.log('  uuid');
+  console.log('  uuid v1');
+  console.log('  uuid v3 <name> <namespace uuid>');
+  console.log('  uuid v4');
+  console.log('  uuid v5 <name> <namespace uuid>');
+  console.log('  uuid --help');
+  console.log('\nNote: <namespace uuid> may be "URL" or "DNS" to use the corresponding UUIDs defined by RFC4122');
+}
+
+var args = process.argv.slice(2);
+
+if (args.indexOf('--help') >= 0) {
+  usage();
+  process.exit(0);
+}
+var version = args.shift() || 'v4';
+
+switch (version) {
+  case 'v1':
+    var uuidV1 = require('../v1');
+    console.log(uuidV1());
+    break;
+
+  case 'v3':
+    var uuidV3 = require('../v3');
+
+    var name = args.shift();
+    var namespace = args.shift();
+    assert(name != null, 'v3 name not specified');
+    assert(namespace != null, 'v3 namespace not specified');
+
+    if (namespace == 'URL') namespace = uuidV3.URL;
+    if (namespace == 'DNS') namespace = uuidV3.DNS;
+
+    console.log(uuidV3(name, namespace));
+    break;
+
+  case 'v4':
+    var uuidV4 = require('../v4');
+    console.log(uuidV4());
+    break;
+
+  case 'v5':
+    var uuidV5 = require('../v5');
+
+    var name = args.shift();
+    var namespace = args.shift();
+    assert(name != null, 'v5 name not specified');
+    assert(namespace != null, 'v5 namespace not specified');
+
+    if (namespace == 'URL') namespace = uuidV5.URL;
+    if (namespace == 'DNS') namespace = uuidV5.DNS;
+
+    console.log(uuidV5(name, namespace));
+    break;
+
+  default:
+    usage();
+    process.exit(1);
+}
diff --git a/node_modules/uuid/index.js b/node_modules/uuid/index.js
new file mode 100644
index 000000000..e96791ab4
--- /dev/null
+++ b/node_modules/uuid/index.js
@@ -0,0 +1,8 @@
+var v1 = require('./v1');
+var v4 = require('./v4');
+
+var uuid = v4;
+uuid.v1 = v1;
+uuid.v4 = v4;
+
+module.exports = uuid;
diff --git a/node_modules/uuid/lib/bytesToUuid.js b/node_modules/uuid/lib/bytesToUuid.js
new file mode 100644
index 000000000..24b60412a
--- /dev/null
+++ b/node_modules/uuid/lib/bytesToUuid.js
@@ -0,0 +1,26 @@
+/**
+ * Convert array of 16 byte values to UUID string format of the form:
+ * XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
+ */
+var byteToHex = [];
+for (var i = 0; i < 256; ++i) {
+  byteToHex[i] = (i + 0x100).toString(16).substr(1);
+}
+
+function bytesToUuid(buf, offset) {
+  var i = offset || 0;
+  var bth = byteToHex;
+  // join used to fix memory issue caused by concatenation: https://bugs.chromium.org/p/v8/issues/detail?id=3175#c4
+  return ([
+    bth[buf[i++]], bth[buf[i++]],
+    bth[buf[i++]], bth[buf[i++]], '-',
+    bth[buf[i++]], bth[buf[i++]], '-',
+    bth[buf[i++]], bth[buf[i++]], '-',
+    bth[buf[i++]], bth[buf[i++]], '-',
+    bth[buf[i++]], bth[buf[i++]],
+    bth[buf[i++]], bth[buf[i++]],
+    bth[buf[i++]], bth[buf[i++]]
+  ]).join('');
+}
+
+module.exports = bytesToUuid;
diff --git a/node_modules/uuid/lib/md5-browser.js b/node_modules/uuid/lib/md5-browser.js
new file mode 100644
index 000000000..9b3b6c7ef
--- /dev/null
+++ b/node_modules/uuid/lib/md5-browser.js
@@ -0,0 +1,216 @@
+/*
+ * Browser-compatible JavaScript MD5
+ *
+ * Modification of JavaScript MD5
+ * https://github.com/blueimp/JavaScript-MD5
+ *
+ * Copyright 2011, Sebastian Tschan
+ * https://blueimp.net
+ *
+ * Licensed under the MIT license:
+ * https://opensource.org/licenses/MIT
+ *
+ * Based on
+ * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
+ * Digest Algorithm, as defined in RFC 1321.
+ * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for more info.
+ */
+
+'use strict';
+
+function md5(bytes) {
+  if (typeof(bytes) == 'string') {
+    var msg = unescape(encodeURIComponent(bytes)); // UTF8 escape
+    bytes = new Array(msg.length);
+    for (var i = 0; i < msg.length; i++) bytes[i] = msg.charCodeAt(i);
+  }
+
+  return md5ToHexEncodedArray(
+    wordsToMd5(
+      bytesToWords(bytes)
+      , bytes.length * 8)
+  );
+}
+
+
+/*
+* Convert an array of little-endian words to an array of bytes
+*/
+function md5ToHexEncodedArray(input) {
+  var i;
+  var x;
+  var output = [];
+  var length32 = input.length * 32;
+  var hexTab = '0123456789abcdef';
+  var hex;
+
+  for (i = 0; i < length32; i += 8) {
+    x = (input[i >> 5] >>> (i % 32)) & 0xFF;
+
+    hex = parseInt(hexTab.charAt((x >>> 4) & 0x0F) + hexTab.charAt(x & 0x0F), 16);
+
+    output.push(hex);
+  }
+  return output;
+}
+
+/*
+* Calculate the MD5 of an array of little-endian words, and a bit length.
+*/
+function wordsToMd5(x, len) {
+  /* append padding */
+  x[len >> 5] |= 0x80 << (len % 32);
+  x[(((len + 64) >>> 9) << 4) + 14] = len;
+
+  var i;
+  var olda;
+  var oldb;
+  var oldc;
+  var oldd;
+  var a = 1732584193;
+  var b = -271733879;
+  var c = -1732584194;
+
+  var d = 271733878;
+
+  for (i = 0; i < x.length; i += 16) {
+    olda = a;
+    oldb = b;
+    oldc = c;
+    oldd = d;
+
+    a = md5ff(a, b, c, d, x[i], 7, -680876936);
+    d = md5ff(d, a, b, c, x[i + 1], 12, -389564586);
+    c = md5ff(c, d, a, b, x[i + 2], 17, 606105819);
+    b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330);
+    a = md5ff(a, b, c, d, x[i + 4], 7, -176418897);
+    d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426);
+    c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341);
+    b = md5ff(b, c, d, a, x[i + 7], 22, -45705983);
+    a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416);
+    d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417);
+    c = md5ff(c, d, a, b, x[i + 10], 17, -42063);
+    b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162);
+    a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682);
+    d = md5ff(d, a, b, c, x[i + 13], 12, -40341101);
+    c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290);
+    b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329);
+
+    a = md5gg(a, b, c, d, x[i + 1], 5, -165796510);
+    d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632);
+    c = md5gg(c, d, a, b, x[i + 11], 14, 643717713);
+    b = md5gg(b, c, d, a, x[i], 20, -373897302);
+    a = md5gg(a, b, c, d, x[i + 5], 5, -701558691);
+    d = md5gg(d, a, b, c, x[i + 10], 9, 38016083);
+    c = md5gg(c, d, a, b, x[i + 15], 14, -660478335);
+    b = md5gg(b, c, d, a, x[i + 4], 20, -405537848);
+    a = md5gg(a, b, c, d, x[i + 9], 5, 568446438);
+    d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690);
+    c = md5gg(c, d, a, b, x[i + 3], 14, -187363961);
+    b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501);
+    a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467);
+    d = md5gg(d, a, b, c, x[i + 2], 9, -51403784);
+    c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473);
+    b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734);
+
+    a = md5hh(a, b, c, d, x[i + 5], 4, -378558);
+    d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463);
+    c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562);
+    b = md5hh(b, c, d, a, x[i + 14], 23, -35309556);
+    a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060);
+    d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353);
+    c = md5hh(c, d, a, b, x[i + 7], 16, -155497632);
+    b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640);
+    a = md5hh(a, b, c, d, x[i + 13], 4, 681279174);
+    d = md5hh(d, a, b, c, x[i], 11, -358537222);
+    c = md5hh(c, d, a, b, x[i + 3], 16, -722521979);
+    b = md5hh(b, c, d, a, x[i + 6], 23, 76029189);
+    a = md5hh(a, b, c, d, x[i + 9], 4, -640364487);
+    d = md5hh(d, a, b, c, x[i + 12], 11, -421815835);
+    c = md5hh(c, d, a, b, x[i + 15], 16, 530742520);
+    b = md5hh(b, c, d, a, x[i + 2], 23, -995338651);
+
+    a = md5ii(a, b, c, d, x[i], 6, -198630844);
+    d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415);
+    c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905);
+    b = md5ii(b, c, d, a, x[i + 5], 21, -57434055);
+    a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571);
+    d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606);
+    c = md5ii(c, d, a, b, x[i + 10], 15, -1051523);
+    b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799);
+    a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359);
+    d = md5ii(d, a, b, c, x[i + 15], 10, -30611744);
+    c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380);
+    b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649);
+    a = md5ii(a, b, c, d, x[i + 4], 6, -145523070);
+    d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379);
+    c = md5ii(c, d, a, b, x[i + 2], 15, 718787259);
+    b = md5ii(b, c, d, a, x[i + 9], 21, -343485551);
+
+    a = safeAdd(a, olda);
+    b = safeAdd(b, oldb);
+    c = safeAdd(c, oldc);
+    d = safeAdd(d, oldd);
+  }
+  return [a, b, c, d];
+}
+
+/*
+* Convert an array bytes to an array of little-endian words
+* Characters >255 have their high-byte silently ignored.
+*/
+function bytesToWords(input) {
+  var i;
+  var output = [];
+  output[(input.length >> 2) - 1] = undefined;
+  for (i = 0; i < output.length; i += 1) {
+    output[i] = 0;
+  }
+  var length8 = input.length * 8;
+  for (i = 0; i < length8; i += 8) {
+    output[i >> 5] |= (input[(i / 8)] & 0xFF) << (i % 32);
+  }
+
+  return output;
+}
+
+/*
+* Add integers, wrapping at 2^32. This uses 16-bit operations internally
+* to work around bugs in some JS interpreters.
+*/
+function safeAdd(x, y) {
+  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
+  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
+  return (msw << 16) | (lsw & 0xFFFF);
+}
+
+/*
+* Bitwise rotate a 32-bit number to the left.
+*/
+function bitRotateLeft(num, cnt) {
+  return (num << cnt) | (num >>> (32 - cnt));
+}
+
+/*
+* These functions implement the four basic operations the algorithm uses.
+*/
+function md5cmn(q, a, b, x, s, t) {
+  return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b);
+}
+function md5ff(a, b, c, d, x, s, t) {
+  return md5cmn((b & c) | ((~b) & d), a, b, x, s, t);
+}
+function md5gg(a, b, c, d, x, s, t) {
+  return md5cmn((b & d) | (c & (~d)), a, b, x, s, t);
+}
+function md5hh(a, b, c, d, x, s, t) {
+  return md5cmn(b ^ c ^ d, a, b, x, s, t);
+}
+function md5ii(a, b, c, d, x, s, t) {
+  return md5cmn(c ^ (b | (~d)), a, b, x, s, t);
+}
+
+module.exports = md5;
diff --git a/node_modules/uuid/lib/md5.js b/node_modules/uuid/lib/md5.js
new file mode 100644
index 000000000..7044b872f
--- /dev/null
+++ b/node_modules/uuid/lib/md5.js
@@ -0,0 +1,25 @@
+'use strict';
+
+var crypto = require('crypto');
+
+function md5(bytes) {
+  if (typeof Buffer.from === 'function') {
+    // Modern Buffer API
+    if (Array.isArray(bytes)) {
+      bytes = Buffer.from(bytes);
+    } else if (typeof bytes === 'string') {
+      bytes = Buffer.from(bytes, 'utf8');
+    }
+  } else {
+    // Pre-v4 Buffer API
+    if (Array.isArray(bytes)) {
+      bytes = new Buffer(bytes);
+    } else if (typeof bytes === 'string') {
+      bytes = new Buffer(bytes, 'utf8');
+    }
+  }
+
+  return crypto.createHash('md5').update(bytes).digest();
+}
+
+module.exports = md5;
diff --git a/node_modules/uuid/lib/rng-browser.js b/node_modules/uuid/lib/rng-browser.js
new file mode 100644
index 000000000..6361fb814
--- /dev/null
+++ b/node_modules/uuid/lib/rng-browser.js
@@ -0,0 +1,34 @@
+// Unique ID creation requires a high quality random # generator.  In the
+// browser this is a little complicated due to unknown quality of Math.random()
+// and inconsistent support for the `crypto` API.  We do the best we can via
+// feature-detection
+
+// getRandomValues needs to be invoked in a context where "this" is a Crypto
+// implementation. Also, find the complete implementation of crypto on IE11.
+var getRandomValues = (typeof(crypto) != 'undefined' && crypto.getRandomValues && crypto.getRandomValues.bind(crypto)) ||
+                      (typeof(msCrypto) != 'undefined' && typeof window.msCrypto.getRandomValues == 'function' && msCrypto.getRandomValues.bind(msCrypto));
+
+if (getRandomValues) {
+  // WHATWG crypto RNG - http://wiki.whatwg.org/wiki/Crypto
+  var rnds8 = new Uint8Array(16); // eslint-disable-line no-undef
+
+  module.exports = function whatwgRNG() {
+    getRandomValues(rnds8);
+    return rnds8;
+  };
+} else {
+  // Math.random()-based (RNG)
+  //
+  // If all else fails, use Math.random().  It's fast, but is of unspecified
+  // quality.
+  var rnds = new Array(16);
+
+  module.exports = function mathRNG() {
+    for (var i = 0, r; i < 16; i++) {
+      if ((i & 0x03) === 0) r = Math.random() * 0x100000000;
+      rnds[i] = r >>> ((i & 0x03) << 3) & 0xff;
+    }
+
+    return rnds;
+  };
+}
diff --git a/node_modules/uuid/lib/rng.js b/node_modules/uuid/lib/rng.js
new file mode 100644
index 000000000..58f0dc9cf
--- /dev/null
+++ b/node_modules/uuid/lib/rng.js
@@ -0,0 +1,8 @@
+// Unique ID creation requires a high quality random # generator.  In node.js
+// this is pretty straight-forward - we use the crypto API.
+
+var crypto = require('crypto');
+
+module.exports = function nodeRNG() {
+  return crypto.randomBytes(16);
+};
diff --git a/node_modules/uuid/lib/sha1-browser.js b/node_modules/uuid/lib/sha1-browser.js
new file mode 100644
index 000000000..5758ed75c
--- /dev/null
+++ b/node_modules/uuid/lib/sha1-browser.js
@@ -0,0 +1,89 @@
+// Adapted from Chris Veness' SHA1 code at
+// http://www.movable-type.co.uk/scripts/sha1.html
+'use strict';
+
+function f(s, x, y, z) {
+  switch (s) {
+    case 0: return (x & y) ^ (~x & z);
+    case 1: return x ^ y ^ z;
+    case 2: return (x & y) ^ (x & z) ^ (y & z);
+    case 3: return x ^ y ^ z;
+  }
+}
+
+function ROTL(x, n) {
+  return (x << n) | (x>>> (32 - n));
+}
+
+function sha1(bytes) {
+  var K = [0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6];
+  var H = [0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0];
+
+  if (typeof(bytes) == 'string') {
+    var msg = unescape(encodeURIComponent(bytes)); // UTF8 escape
+    bytes = new Array(msg.length);
+    for (var i = 0; i < msg.length; i++) bytes[i] = msg.charCodeAt(i);
+  }
+
+  bytes.push(0x80);
+
+  var l = bytes.length/4 + 2;
+  var N = Math.ceil(l/16);
+  var M = new Array(N);
+
+  for (var i=0; i<N; i++) {
+    M[i] = new Array(16);
+    for (var j=0; j<16; j++) {
+      M[i][j] =
+        bytes[i * 64 + j * 4] << 24 |
+        bytes[i * 64 + j * 4 + 1] << 16 |
+        bytes[i * 64 + j * 4 + 2] << 8 |
+        bytes[i * 64 + j * 4 + 3];
+    }
+  }
+
+  M[N - 1][14] = ((bytes.length - 1) * 8) /
+    Math.pow(2, 32); M[N - 1][14] = Math.floor(M[N - 1][14]);
+  M[N - 1][15] = ((bytes.length - 1) * 8) & 0xffffffff;
+
+  for (var i=0; i<N; i++) {
+    var W = new Array(80);
+
+    for (var t=0; t<16; t++) W[t] = M[i][t];
+    for (var t=16; t<80; t++) {
+      W[t] = ROTL(W[t - 3] ^ W[t - 8] ^ W[t - 14] ^ W[t - 16], 1);
+    }
+
+    var a = H[0];
+    var b = H[1];
+    var c = H[2];
+    var d = H[3];
+    var e = H[4];
+
+    for (var t=0; t<80; t++) {
+      var s = Math.floor(t/20);
+      var T = ROTL(a, 5) + f(s, b, c, d) + e + K[s] + W[t] >>> 0;
+      e = d;
+      d = c;
+      c = ROTL(b, 30) >>> 0;
+      b = a;
+      a = T;
+    }
+
+    H[0] = (H[0] + a) >>> 0;
+    H[1] = (H[1] + b) >>> 0;
+    H[2] = (H[2] + c) >>> 0;
+    H[3] = (H[3] + d) >>> 0;
+    H[4] = (H[4] + e) >>> 0;
+  }
+
+  return [
+    H[0] >> 24 & 0xff, H[0] >> 16 & 0xff, H[0] >> 8 & 0xff, H[0] & 0xff,
+    H[1] >> 24 & 0xff, H[1] >> 16 & 0xff, H[1] >> 8 & 0xff, H[1] & 0xff,
+    H[2] >> 24 & 0xff, H[2] >> 16 & 0xff, H[2] >> 8 & 0xff, H[2] & 0xff,
+    H[3] >> 24 & 0xff, H[3] >> 16 & 0xff, H[3] >> 8 & 0xff, H[3] & 0xff,
+    H[4] >> 24 & 0xff, H[4] >> 16 & 0xff, H[4] >> 8 & 0xff, H[4] & 0xff
+  ];
+}
+
+module.exports = sha1;
diff --git a/node_modules/uuid/lib/sha1.js b/node_modules/uuid/lib/sha1.js
new file mode 100644
index 000000000..0b54b2507
--- /dev/null
+++ b/node_modules/uuid/lib/sha1.js
@@ -0,0 +1,25 @@
+'use strict';
+
+var crypto = require('crypto');
+
+function sha1(bytes) {
+  if (typeof Buffer.from === 'function') {
+    // Modern Buffer API
+    if (Array.isArray(bytes)) {
+      bytes = Buffer.from(bytes);
+    } else if (typeof bytes === 'string') {
+      bytes = Buffer.from(bytes, 'utf8');
+    }
+  } else {
+    // Pre-v4 Buffer API
+    if (Array.isArray(bytes)) {
+      bytes = new Buffer(bytes);
+    } else if (typeof bytes === 'string') {
+      bytes = new Buffer(bytes, 'utf8');
+    }
+  }
+
+  return crypto.createHash('sha1').update(bytes).digest();
+}
+
+module.exports = sha1;
diff --git a/node_modules/uuid/lib/v35.js b/node_modules/uuid/lib/v35.js
new file mode 100644
index 000000000..8b066cc5e
--- /dev/null
+++ b/node_modules/uuid/lib/v35.js
@@ -0,0 +1,57 @@
+var bytesToUuid = require('./bytesToUuid');
+
+function uuidToBytes(uuid) {
+  // Note: We assume we're being passed a valid uuid string
+  var bytes = [];
+  uuid.replace(/[a-fA-F0-9]{2}/g, function(hex) {
+    bytes.push(parseInt(hex, 16));
+  });
+
+  return bytes;
+}
+
+function stringToBytes(str) {
+  str = unescape(encodeURIComponent(str)); // UTF8 escape
+  var bytes = new Array(str.length);
+  for (var i = 0; i < str.length; i++) {
+    bytes[i] = str.charCodeAt(i);
+  }
+  return bytes;
+}
+
+module.exports = function(name, version, hashfunc) {
+  var generateUUID = function(value, namespace, buf, offset) {
+    var off = buf && offset || 0;
+
+    if (typeof(value) == 'string') value = stringToBytes(value);
+    if (typeof(namespace) == 'string') namespace = uuidToBytes(namespace);
+
+    if (!Array.isArray(value)) throw TypeError('value must be an array of bytes');
+    if (!Array.isArray(namespace) || namespace.length !== 16) throw TypeError('namespace must be uuid string or an Array of 16 byte values');
+
+    // Per 4.3
+    var bytes = hashfunc(namespace.concat(value));
+    bytes[6] = (bytes[6] & 0x0f) | version;
+    bytes[8] = (bytes[8] & 0x3f) | 0x80;
+
+    if (buf) {
+      for (var idx = 0; idx < 16; ++idx) {
+        buf[off+idx] = bytes[idx];
+      }
+    }
+
+    return buf || bytesToUuid(bytes);
+  };
+
+  // Function#name is not settable on some platforms (#270)
+  try {
+    generateUUID.name = name;
+  } catch (err) {
+  }
+
+  // Pre-defined namespaces, per Appendix C
+  generateUUID.DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
+  generateUUID.URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
+
+  return generateUUID;
+};
diff --git a/node_modules/uuid/package.json b/node_modules/uuid/package.json
new file mode 100644
index 000000000..efc07b8f6
--- /dev/null
+++ b/node_modules/uuid/package.json
@@ -0,0 +1,49 @@
+{
+  "name": "uuid",
+  "version": "3.4.0",
+  "description": "RFC4122 (v1, v4, and v5) UUIDs",
+  "commitlint": {
+    "extends": [
+      "@commitlint/config-conventional"
+    ]
+  },
+  "keywords": [
+    "uuid",
+    "guid",
+    "rfc4122"
+  ],
+  "license": "MIT",
+  "bin": {
+    "uuid": "./bin/uuid"
+  },
+  "devDependencies": {
+    "@commitlint/cli": "~8.2.0",
+    "@commitlint/config-conventional": "~8.2.0",
+    "eslint": "~6.4.0",
+    "husky": "~3.0.5",
+    "mocha": "6.2.0",
+    "runmd": "1.2.1",
+    "standard-version": "7.0.0"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "npm run lint && mocha test/test.js",
+    "md": "runmd --watch --output=README.md README_js.md",
+    "release": "standard-version",
+    "prepare": "runmd --output=README.md README_js.md"
+  },
+  "browser": {
+    "./lib/rng.js": "./lib/rng-browser.js",
+    "./lib/sha1.js": "./lib/sha1-browser.js",
+    "./lib/md5.js": "./lib/md5-browser.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/uuidjs/uuid.git"
+  },
+  "husky": {
+    "hooks": {
+      "commit-msg": "commitlint -E HUSKY_GIT_PARAMS"
+    }
+  }
+}
diff --git a/node_modules/uuid/v1.js b/node_modules/uuid/v1.js
new file mode 100644
index 000000000..8c245de43
--- /dev/null
+++ b/node_modules/uuid/v1.js
@@ -0,0 +1,109 @@
+var rng = require('./lib/rng');
+var bytesToUuid = require('./lib/bytesToUuid');
+
+// **`v1()` - Generate time-based UUID**
+//
+// Inspired by https://github.com/LiosK/UUID.js
+// and http://docs.python.org/library/uuid.html
+
+var _nodeId;
+var _clockseq;
+
+// Previous uuid creation time
+var _lastMSecs = 0;
+var _lastNSecs = 0;
+
+// See https://github.com/uuidjs/uuid for API details
+function v1(options, buf, offset) {
+  var i = buf && offset || 0;
+  var b = buf || [];
+
+  options = options || {};
+  var node = options.node || _nodeId;
+  var clockseq = options.clockseq !== undefined ? options.clockseq : _clockseq;
+
+  // node and clockseq need to be initialized to random values if they're not
+  // specified.  We do this lazily to minimize issues related to insufficient
+  // system entropy.  See #189
+  if (node == null || clockseq == null) {
+    var seedBytes = rng();
+    if (node == null) {
+      // Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1)
+      node = _nodeId = [
+        seedBytes[0] | 0x01,
+        seedBytes[1], seedBytes[2], seedBytes[3], seedBytes[4], seedBytes[5]
+      ];
+    }
+    if (clockseq == null) {
+      // Per 4.2.2, randomize (14 bit) clockseq
+      clockseq = _clockseq = (seedBytes[6] << 8 | seedBytes[7]) & 0x3fff;
+    }
+  }
+
+  // UUID timestamps are 100 nano-second units since the Gregorian epoch,
+  // (1582-10-15 00:00).  JSNumbers aren't precise enough for this, so
+  // time is handled internally as 'msecs' (integer milliseconds) and 'nsecs'
+  // (100-nanoseconds offset from msecs) since unix epoch, 1970-01-01 00:00.
+  var msecs = options.msecs !== undefined ? options.msecs : new Date().getTime();
+
+  // Per 4.2.1.2, use count of uuid's generated during the current clock
+  // cycle to simulate higher resolution clock
+  var nsecs = options.nsecs !== undefined ? options.nsecs : _lastNSecs + 1;
+
+  // Time since last uuid creation (in msecs)
+  var dt = (msecs - _lastMSecs) + (nsecs - _lastNSecs)/10000;
+
+  // Per 4.2.1.2, Bump clockseq on clock regression
+  if (dt < 0 && options.clockseq === undefined) {
+    clockseq = clockseq + 1 & 0x3fff;
+  }
+
+  // Reset nsecs if clock regresses (new clockseq) or we've moved onto a new
+  // time interval
+  if ((dt < 0 || msecs > _lastMSecs) && options.nsecs === undefined) {
+    nsecs = 0;
+  }
+
+  // Per 4.2.1.2 Throw error if too many uuids are requested
+  if (nsecs >= 10000) {
+    throw new Error('uuid.v1(): Can\'t create more than 10M uuids/sec');
+  }
+
+  _lastMSecs = msecs;
+  _lastNSecs = nsecs;
+  _clockseq = clockseq;
+
+  // Per 4.1.4 - Convert from unix epoch to Gregorian epoch
+  msecs += 12219292800000;
+
+  // `time_low`
+  var tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000;
+  b[i++] = tl >>> 24 & 0xff;
+  b[i++] = tl >>> 16 & 0xff;
+  b[i++] = tl >>> 8 & 0xff;
+  b[i++] = tl & 0xff;
+
+  // `time_mid`
+  var tmh = (msecs / 0x100000000 * 10000) & 0xfffffff;
+  b[i++] = tmh >>> 8 & 0xff;
+  b[i++] = tmh & 0xff;
+
+  // `time_high_and_version`
+  b[i++] = tmh >>> 24 & 0xf | 0x10; // include version
+  b[i++] = tmh >>> 16 & 0xff;
+
+  // `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
+  b[i++] = clockseq >>> 8 | 0x80;
+
+  // `clock_seq_low`
+  b[i++] = clockseq & 0xff;
+
+  // `node`
+  for (var n = 0; n < 6; ++n) {
+    b[i + n] = node[n];
+  }
+
+  return buf ? buf : bytesToUuid(b);
+}
+
+module.exports = v1;
diff --git a/node_modules/uuid/v3.js b/node_modules/uuid/v3.js
new file mode 100644
index 000000000..ee7e14c0f
--- /dev/null
+++ b/node_modules/uuid/v3.js
@@ -0,0 +1,4 @@
+var v35 = require('./lib/v35.js');
+var md5 = require('./lib/md5');
+
+module.exports = v35('v3', 0x30, md5);
\ No newline at end of file
diff --git a/node_modules/uuid/v4.js b/node_modules/uuid/v4.js
new file mode 100644
index 000000000..1f07be1c5
--- /dev/null
+++ b/node_modules/uuid/v4.js
@@ -0,0 +1,29 @@
+var rng = require('./lib/rng');
+var bytesToUuid = require('./lib/bytesToUuid');
+
+function v4(options, buf, offset) {
+  var i = buf && offset || 0;
+
+  if (typeof(options) == 'string') {
+    buf = options === 'binary' ? new Array(16) : null;
+    options = null;
+  }
+  options = options || {};
+
+  var rnds = options.random || (options.rng || rng)();
+
+  // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
+  rnds[6] = (rnds[6] & 0x0f) | 0x40;
+  rnds[8] = (rnds[8] & 0x3f) | 0x80;
+
+  // Copy bytes to buffer, if provided
+  if (buf) {
+    for (var ii = 0; ii < 16; ++ii) {
+      buf[i + ii] = rnds[ii];
+    }
+  }
+
+  return buf || bytesToUuid(rnds);
+}
+
+module.exports = v4;
diff --git a/node_modules/uuid/v5.js b/node_modules/uuid/v5.js
new file mode 100644
index 000000000..4945baf38
--- /dev/null
+++ b/node_modules/uuid/v5.js
@@ -0,0 +1,3 @@
+var v35 = require('./lib/v35.js');
+var sha1 = require('./lib/sha1');
+module.exports = v35('v5', 0x50, sha1);
diff --git a/node_modules/vary/HISTORY.md b/node_modules/vary/HISTORY.md
new file mode 100644
index 000000000..f6cbcf7f9
--- /dev/null
+++ b/node_modules/vary/HISTORY.md
@@ -0,0 +1,39 @@
+1.1.2 / 2017-09-23
+==================
+
+  * perf: improve header token parsing speed
+
+1.1.1 / 2017-03-20
+==================
+
+  * perf: hoist regular expression
+
+1.1.0 / 2015-09-29
+==================
+
+  * Only accept valid field names in the `field` argument
+    - Ensures the resulting string is a valid HTTP header value
+
+1.0.1 / 2015-07-08
+==================
+
+  * Fix setting empty header from empty `field`
+  * perf: enable strict mode
+  * perf: remove argument reassignments
+
+1.0.0 / 2014-08-10
+==================
+
+  * Accept valid `Vary` header string as `field`
+  * Add `vary.append` for low-level string manipulation
+  * Move to `jshttp` orgainzation
+
+0.1.0 / 2014-06-05
+==================
+
+  * Support array of fields to set
+
+0.0.0 / 2014-06-04
+==================
+
+  * Initial release
diff --git a/node_modules/vary/LICENSE b/node_modules/vary/LICENSE
new file mode 100644
index 000000000..84441fbb5
--- /dev/null
+++ b/node_modules/vary/LICENSE
@@ -0,0 +1,22 @@
+(The MIT License)
+
+Copyright (c) 2014-2017 Douglas Christopher Wilson
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/vary/README.md b/node_modules/vary/README.md
new file mode 100644
index 000000000..cc000b346
--- /dev/null
+++ b/node_modules/vary/README.md
@@ -0,0 +1,101 @@
+# vary
+
+[![NPM Version][npm-image]][npm-url]
+[![NPM Downloads][downloads-image]][downloads-url]
+[![Node.js Version][node-version-image]][node-version-url]
+[![Build Status][travis-image]][travis-url]
+[![Test Coverage][coveralls-image]][coveralls-url]
+
+Manipulate the HTTP Vary header
+
+## Installation
+
+This is a [Node.js](https://nodejs.org/en/) module available through the
+[npm registry](https://www.npmjs.com/). Installation is done using the
+[`npm install` command](https://docs.npmjs.com/getting-started/installing-npm-packages-locally): 
+
+```sh
+$ npm install vary
+```
+
+## API
+
+<!-- eslint-disable no-unused-vars -->
+
+```js
+var vary = require('vary')
+```
+
+### vary(res, field)
+
+Adds the given header `field` to the `Vary` response header of `res`.
+This can be a string of a single field, a string of a valid `Vary`
+header, or an array of multiple fields.
+
+This will append the header if not already listed, otherwise leaves
+it listed in the current location.
+
+<!-- eslint-disable no-undef -->
+
+```js
+// Append "Origin" to the Vary header of the response
+vary(res, 'Origin')
+```
+
+### vary.append(header, field)
+
+Adds the given header `field` to the `Vary` response header string `header`.
+This can be a string of a single field, a string of a valid `Vary` header,
+or an array of multiple fields.
+
+This will append the header if not already listed, otherwise leaves
+it listed in the current location. The new header string is returned.
+
+<!-- eslint-disable no-undef -->
+
+```js
+// Get header string appending "Origin" to "Accept, User-Agent"
+vary.append('Accept, User-Agent', 'Origin')
+```
+
+## Examples
+
+### Updating the Vary header when content is based on it
+
+```js
+var http = require('http')
+var vary = require('vary')
+
+http.createServer(function onRequest (req, res) {
+  // about to user-agent sniff
+  vary(res, 'User-Agent')
+
+  var ua = req.headers['user-agent'] || ''
+  var isMobile = /mobi|android|touch|mini/i.test(ua)
+
+  // serve site, depending on isMobile
+  res.setHeader('Content-Type', 'text/html')
+  res.end('You are (probably) ' + (isMobile ? '' : 'not ') + 'a mobile user')
+})
+```
+
+## Testing
+
+```sh
+$ npm test
+```
+
+## License
+
+[MIT](LICENSE)
+
+[npm-image]: https://img.shields.io/npm/v/vary.svg
+[npm-url]: https://npmjs.org/package/vary
+[node-version-image]: https://img.shields.io/node/v/vary.svg
+[node-version-url]: https://nodejs.org/en/download
+[travis-image]: https://img.shields.io/travis/jshttp/vary/master.svg
+[travis-url]: https://travis-ci.org/jshttp/vary
+[coveralls-image]: https://img.shields.io/coveralls/jshttp/vary/master.svg
+[coveralls-url]: https://coveralls.io/r/jshttp/vary
+[downloads-image]: https://img.shields.io/npm/dm/vary.svg
+[downloads-url]: https://npmjs.org/package/vary
diff --git a/node_modules/vary/index.js b/node_modules/vary/index.js
new file mode 100644
index 000000000..5b5e74127
--- /dev/null
+++ b/node_modules/vary/index.js
@@ -0,0 +1,149 @@
+/*!
+ * vary
+ * Copyright(c) 2014-2017 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+'use strict'
+
+/**
+ * Module exports.
+ */
+
+module.exports = vary
+module.exports.append = append
+
+/**
+ * RegExp to match field-name in RFC 7230 sec 3.2
+ *
+ * field-name    = token
+ * token         = 1*tchar
+ * tchar         = "!" / "#" / "$" / "%" / "&" / "'" / "*"
+ *               / "+" / "-" / "." / "^" / "_" / "`" / "|" / "~"
+ *               / DIGIT / ALPHA
+ *               ; any VCHAR, except delimiters
+ */
+
+var FIELD_NAME_REGEXP = /^[!#$%&'*+\-.^_`|~0-9A-Za-z]+$/
+
+/**
+ * Append a field to a vary header.
+ *
+ * @param {String} header
+ * @param {String|Array} field
+ * @return {String}
+ * @public
+ */
+
+function append (header, field) {
+  if (typeof header !== 'string') {
+    throw new TypeError('header argument is required')
+  }
+
+  if (!field) {
+    throw new TypeError('field argument is required')
+  }
+
+  // get fields array
+  var fields = !Array.isArray(field)
+    ? parse(String(field))
+    : field
+
+  // assert on invalid field names
+  for (var j = 0; j < fields.length; j++) {
+    if (!FIELD_NAME_REGEXP.test(fields[j])) {
+      throw new TypeError('field argument contains an invalid header name')
+    }
+  }
+
+  // existing, unspecified vary
+  if (header === '*') {
+    return header
+  }
+
+  // enumerate current values
+  var val = header
+  var vals = parse(header.toLowerCase())
+
+  // unspecified vary
+  if (fields.indexOf('*') !== -1 || vals.indexOf('*') !== -1) {
+    return '*'
+  }
+
+  for (var i = 0; i < fields.length; i++) {
+    var fld = fields[i].toLowerCase()
+
+    // append value (case-preserving)
+    if (vals.indexOf(fld) === -1) {
+      vals.push(fld)
+      val = val
+        ? val + ', ' + fields[i]
+        : fields[i]
+    }
+  }
+
+  return val
+}
+
+/**
+ * Parse a vary header into an array.
+ *
+ * @param {String} header
+ * @return {Array}
+ * @private
+ */
+
+function parse (header) {
+  var end = 0
+  var list = []
+  var start = 0
+
+  // gather tokens
+  for (var i = 0, len = header.length; i < len; i++) {
+    switch (header.charCodeAt(i)) {
+      case 0x20: /*   */
+        if (start === end) {
+          start = end = i + 1
+        }
+        break
+      case 0x2c: /* , */
+        list.push(header.substring(start, end))
+        start = end = i + 1
+        break
+      default:
+        end = i + 1
+        break
+    }
+  }
+
+  // final token
+  list.push(header.substring(start, end))
+
+  return list
+}
+
+/**
+ * Mark that a request is varied on a header field.
+ *
+ * @param {Object} res
+ * @param {String|Array} field
+ * @public
+ */
+
+function vary (res, field) {
+  if (!res || !res.getHeader || !res.setHeader) {
+    // quack quack
+    throw new TypeError('res argument is required')
+  }
+
+  // get existing header
+  var val = res.getHeader('Vary') || ''
+  var header = Array.isArray(val)
+    ? val.join(', ')
+    : String(val)
+
+  // set new header
+  if ((val = append(header, field))) {
+    res.setHeader('Vary', val)
+  }
+}
diff --git a/node_modules/vary/package.json b/node_modules/vary/package.json
new file mode 100644
index 000000000..028f72a93
--- /dev/null
+++ b/node_modules/vary/package.json
@@ -0,0 +1,43 @@
+{
+  "name": "vary",
+  "description": "Manipulate the HTTP Vary header",
+  "version": "1.1.2",
+  "author": "Douglas Christopher Wilson <doug@somethingdoug.com>",
+  "license": "MIT",
+  "keywords": [
+    "http",
+    "res",
+    "vary"
+  ],
+  "repository": "jshttp/vary",
+  "devDependencies": {
+    "beautify-benchmark": "0.2.4",
+    "benchmark": "2.1.4",
+    "eslint": "3.19.0",
+    "eslint-config-standard": "10.2.1",
+    "eslint-plugin-import": "2.7.0",
+    "eslint-plugin-markdown": "1.0.0-beta.6",
+    "eslint-plugin-node": "5.1.1",
+    "eslint-plugin-promise": "3.5.0",
+    "eslint-plugin-standard": "3.0.1",
+    "istanbul": "0.4.5",
+    "mocha": "2.5.3",
+    "supertest": "1.1.0"
+  },
+  "files": [
+    "HISTORY.md",
+    "LICENSE",
+    "README.md",
+    "index.js"
+  ],
+  "engines": {
+    "node": ">= 0.8"
+  },
+  "scripts": {
+    "bench": "node benchmark/index.js",
+    "lint": "eslint --plugin markdown --ext js,md .",
+    "test": "mocha --reporter spec --bail --check-leaks test/",
+    "test-cov": "istanbul cover node_modules/mocha/bin/_mocha -- --reporter dot --check-leaks test/",
+    "test-travis": "istanbul cover node_modules/mocha/bin/_mocha --report lcovonly -- --reporter spec --check-leaks test/"
+  }
+}
diff --git a/node_modules/verror/.npmignore b/node_modules/verror/.npmignore
new file mode 100644
index 000000000..f14aec804
--- /dev/null
+++ b/node_modules/verror/.npmignore
@@ -0,0 +1,9 @@
+.gitignore
+.gitmodules
+deps
+examples
+experiments
+jsl.node.conf
+Makefile
+Makefile.targ
+test
diff --git a/node_modules/verror/CHANGES.md b/node_modules/verror/CHANGES.md
new file mode 100644
index 000000000..bbb745a2f
--- /dev/null
+++ b/node_modules/verror/CHANGES.md
@@ -0,0 +1,28 @@
+# Changelog
+
+## Not yet released
+
+None yet.
+
+## v1.10.0
+
+* #49 want convenience functions for MultiErrors
+
+## v1.9.0
+
+* #47 could use VError.hasCauseWithName()
+
+## v1.8.1
+
+* #39 captureStackTrace lost when inheriting from WError
+
+## v1.8.0
+
+* #23 Preserve original stack trace(s)
+
+## v1.7.0
+
+* #10 better support for extra properties on Errors
+* #11 make it easy to find causes of a particular kind
+* #29 No documentation on how to Install this package
+* #36 elide development-only files from npm package
diff --git a/node_modules/verror/CONTRIBUTING.md b/node_modules/verror/CONTRIBUTING.md
new file mode 100644
index 000000000..750cef8df
--- /dev/null
+++ b/node_modules/verror/CONTRIBUTING.md
@@ -0,0 +1,19 @@
+# Contributing
+
+This repository uses [cr.joyent.us](https://cr.joyent.us) (Gerrit) for new
+changes.  Anyone can submit changes.  To get started, see the [cr.joyent.us user
+guide](https://github.com/joyent/joyent-gerrit/blob/master/docs/user/README.md).
+This repo does not use GitHub pull requests.
+
+See the [Joyent Engineering
+Guidelines](https://github.com/joyent/eng/blob/master/docs/index.md) for general
+best practices expected in this repository.
+
+Contributions should be "make prepush" clean.  The "prepush" target runs the
+"check" target, which requires these separate tools:
+
+* https://github.com/davepacheco/jsstyle
+* https://github.com/davepacheco/javascriptlint
+
+If you're changing something non-trivial or user-facing, you may want to submit
+an issue first.
diff --git a/node_modules/verror/LICENSE b/node_modules/verror/LICENSE
new file mode 100644
index 000000000..82a5cb863
--- /dev/null
+++ b/node_modules/verror/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2016, Joyent, Inc. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE
diff --git a/node_modules/verror/README.md b/node_modules/verror/README.md
new file mode 100644
index 000000000..c1f0635ef
--- /dev/null
+++ b/node_modules/verror/README.md
@@ -0,0 +1,528 @@
+# verror: rich JavaScript errors
+
+This module provides several classes in support of Joyent's [Best Practices for
+Error Handling in Node.js](http://www.joyent.com/developers/node/design/errors).
+If you find any of the behavior here confusing or surprising, check out that
+document first.
+
+The error classes here support:
+
+* printf-style arguments for the message
+* chains of causes
+* properties to provide extra information about the error
+* creating your own subclasses that support all of these
+
+The classes here are:
+
+* **VError**, for chaining errors while preserving each one's error message.
+  This is useful in servers and command-line utilities when you want to
+  propagate an error up a call stack, but allow various levels to add their own
+  context.  See examples below.
+* **WError**, for wrapping errors while hiding the lower-level messages from the
+  top-level error.  This is useful for API endpoints where you don't want to
+  expose internal error messages, but you still want to preserve the error chain
+  for logging and debugging.
+* **SError**, which is just like VError but interprets printf-style arguments
+  more strictly.
+* **MultiError**, which is just an Error that encapsulates one or more other
+  errors.  (This is used for parallel operations that return several errors.)
+
+
+# Quick start
+
+First, install the package:
+
+    npm install verror
+
+If nothing else, you can use VError as a drop-in replacement for the built-in
+JavaScript Error class, with the addition of printf-style messages:
+
+```javascript
+var err = new VError('missing file: "%s"', '/etc/passwd');
+console.log(err.message);
+```
+
+This prints:
+
+    missing file: "/etc/passwd"
+
+You can also pass a `cause` argument, which is any other Error object:
+
+```javascript
+var fs = require('fs');
+var filename = '/nonexistent';
+fs.stat(filename, function (err1) {
+	var err2 = new VError(err1, 'stat "%s"', filename);
+	console.error(err2.message);
+});
+```
+
+This prints out:
+
+    stat "/nonexistent": ENOENT, stat '/nonexistent'
+
+which resembles how Unix programs typically report errors:
+
+    $ sort /nonexistent
+    sort: open failed: /nonexistent: No such file or directory
+
+To match the Unixy feel, when you print out the error, just prepend the
+program's name to the VError's `message`.  Or just call
+[node-cmdutil.fail(your_verror)](https://github.com/joyent/node-cmdutil), which
+does this for you.
+
+You can get the next-level Error using `err.cause()`:
+
+```javascript
+console.error(err2.cause().message);
+```
+
+prints:
+
+    ENOENT, stat '/nonexistent'
+
+Of course, you can chain these as many times as you want, and it works with any
+kind of Error:
+
+```javascript
+var err1 = new Error('No such file or directory');
+var err2 = new VError(err1, 'failed to stat "%s"', '/junk');
+var err3 = new VError(err2, 'request failed');
+console.error(err3.message);
+```
+
+This prints:
+
+    request failed: failed to stat "/junk": No such file or directory
+
+The idea is that each layer in the stack annotates the error with a description
+of what it was doing.  The end result is a message that explains what happened
+at each level.
+
+You can also decorate Error objects with additional information so that callers
+can not only handle each kind of error differently, but also construct their own
+error messages (e.g., to localize them, format them, group them by type, and so
+on).  See the example below.
+
+
+# Deeper dive
+
+The two main goals for VError are:
+
+* **Make it easy to construct clear, complete error messages intended for
+  people.**  Clear error messages greatly improve both user experience and
+  debuggability, so we wanted to make it easy to build them.  That's why the
+  constructor takes printf-style arguments.
+* **Make it easy to construct objects with programmatically-accessible
+  metadata** (which we call _informational properties_).  Instead of just saying
+  "connection refused while connecting to 192.168.1.2:80", you can add
+  properties like `"ip": "192.168.1.2"` and `"tcpPort": 80`.  This can be used
+  for feeding into monitoring systems, analyzing large numbers of Errors (as
+  from a log file), or localizing error messages.
+
+To really make this useful, it also needs to be easy to compose Errors:
+higher-level code should be able to augment the Errors reported by lower-level
+code to provide a more complete description of what happened.  Instead of saying
+"connection refused", you can say "operation X failed: connection refused".
+That's why VError supports `causes`.
+
+In order for all this to work, programmers need to know that it's generally safe
+to wrap lower-level Errors with higher-level ones.  If you have existing code
+that handles Errors produced by a library, you should be able to wrap those
+Errors with a VError to add information without breaking the error handling
+code.  There are two obvious ways that this could break such consumers:
+
+* The error's name might change.  People typically use `name` to determine what
+  kind of Error they've got.  To ensure compatibility, you can create VErrors
+  with custom names, but this approach isn't great because it prevents you from
+  representing complex failures.  For this reason, VError provides
+  `findCauseByName`, which essentially asks: does this Error _or any of its
+  causes_ have this specific type?  If error handling code uses
+  `findCauseByName`, then subsystems can construct very specific causal chains
+  for debuggability and still let people handle simple cases easily.  There's an
+  example below.
+* The error's properties might change.  People often hang additional properties
+  off of Error objects.  If we wrap an existing Error in a new Error, those
+  properties would be lost unless we copied them.  But there are a variety of
+  both standard and non-standard Error properties that should _not_ be copied in
+  this way: most obviously `name`, `message`, and `stack`, but also `fileName`,
+  `lineNumber`, and a few others.  Plus, it's useful for some Error subclasses
+  to have their own private properties -- and there'd be no way to know whether
+  these should be copied.  For these reasons, VError first-classes these
+  information properties.  You have to provide them in the constructor, you can
+  only fetch them with the `info()` function, and VError takes care of making
+  sure properties from causes wind up in the `info()` output.
+
+Let's put this all together with an example from the node-fast RPC library.
+node-fast implements a simple RPC protocol for Node programs.  There's a server
+and client interface, and clients make RPC requests to servers.  Let's say the
+server fails with an UnauthorizedError with message "user 'bob' is not
+authorized".  The client wraps all server errors with a FastServerError.  The
+client also wraps all request errors with a FastRequestError that includes the
+name of the RPC call being made.  The result of this failed RPC might look like
+this:
+
+    name: FastRequestError
+    message: "request failed: server error: user 'bob' is not authorized"
+    rpcMsgid: <unique identifier for this request>
+    rpcMethod: GetObject
+    cause:
+        name: FastServerError
+        message: "server error: user 'bob' is not authorized"
+        cause:
+            name: UnauthorizedError
+            message: "user 'bob' is not authorized"
+            rpcUser: "bob"
+
+When the caller uses `VError.info()`, the information properties are collapsed
+so that it looks like this:
+
+    message: "request failed: server error: user 'bob' is not authorized"
+    rpcMsgid: <unique identifier for this request>
+    rpcMethod: GetObject
+    rpcUser: "bob"
+
+Taking this apart:
+
+* The error's message is a complete description of the problem.  The caller can
+  report this directly to its caller, which can potentially make its way back to
+  an end user (if appropriate).  It can also be logged.
+* The caller can tell that the request failed on the server, rather than as a
+  result of a client problem (e.g., failure to serialize the request), a
+  transport problem (e.g., failure to connect to the server), or something else
+  (e.g., a timeout).  They do this using `findCauseByName('FastServerError')`
+  rather than checking the `name` field directly.
+* If the caller logs this error, the logs can be analyzed to aggregate
+  errors by cause, by RPC method name, by user, or whatever.  Or the
+  error can be correlated with other events for the same rpcMsgid.
+* It wasn't very hard for any part of the code to contribute to this Error.
+  Each part of the stack has just a few lines to provide exactly what it knows,
+  with very little boilerplate.
+
+It's not expected that you'd use these complex forms all the time.  Despite
+supporting the complex case above, you can still just do:
+
+   new VError("my service isn't working");
+
+for the simple cases.
+
+
+# Reference: VError, WError, SError
+
+VError, WError, and SError are convenient drop-in replacements for `Error` that
+support printf-style arguments, first-class causes, informational properties,
+and other useful features.
+
+
+## Constructors
+
+The VError constructor has several forms:
+
+```javascript
+/*
+ * This is the most general form.  You can specify any supported options
+ * (including "cause" and "info") this way.
+ */
+new VError(options, sprintf_args...)
+
+/*
+ * This is a useful shorthand when the only option you need is "cause".
+ */
+new VError(cause, sprintf_args...)
+
+/*
+ * This is a useful shorthand when you don't need any options at all.
+ */
+new VError(sprintf_args...)
+```
+
+All of these forms construct a new VError that behaves just like the built-in
+JavaScript `Error` class, with some additional methods described below.
+
+In the first form, `options` is a plain object with any of the following
+optional properties:
+
+Option name      | Type             | Meaning
+---------------- | ---------------- | -------
+`name`           | string           | Describes what kind of error this is.  This is intended for programmatic use to distinguish between different kinds of errors.  Note that in modern versions of Node.js, this name is ignored in the `stack` property value, but callers can still use the `name` property to get at it.
+`cause`          | any Error object | Indicates that the new error was caused by `cause`.  See `cause()` below.  If unspecified, the cause will be `null`.
+`strict`         | boolean          | If true, then `null` and `undefined` values in `sprintf_args` are passed through to `sprintf()`.  Otherwise, these are replaced with the strings `'null'`, and '`undefined`', respectively.
+`constructorOpt` | function         | If specified, then the stack trace for this error ends at function `constructorOpt`.  Functions called by `constructorOpt` will not show up in the stack.  This is useful when this class is subclassed.
+`info`           | object           | Specifies arbitrary informational properties that are available through the `VError.info(err)` static class method.  See that method for details.
+
+The second form is equivalent to using the first form with the specified `cause`
+as the error's cause.  This form is distinguished from the first form because
+the first argument is an Error.
+
+The third form is equivalent to using the first form with all default option
+values.  This form is distinguished from the other forms because the first
+argument is not an object or an Error.
+
+The `WError` constructor is used exactly the same way as the `VError`
+constructor.  The `SError` constructor is also used the same way as the
+`VError` constructor except that in all cases, the `strict` property is
+overriden to `true.
+
+
+## Public properties
+
+`VError`, `WError`, and `SError` all provide the same public properties as
+JavaScript's built-in Error objects.
+
+Property name | Type   | Meaning
+------------- | ------ | -------
+`name`        | string | Programmatically-usable name of the error.
+`message`     | string | Human-readable summary of the failure.  Programmatically-accessible details are provided through `VError.info(err)` class method.
+`stack`       | string | Human-readable stack trace where the Error was constructed.
+
+For all of these classes, the printf-style arguments passed to the constructor
+are processed with `sprintf()` to form a message.  For `WError`, this becomes
+the complete `message` property.  For `SError` and `VError`, this message is
+prepended to the message of the cause, if any (with a suitable separator), and
+the result becomes the `message` property.
+
+The `stack` property is managed entirely by the underlying JavaScript
+implementation.  It's generally implemented using a getter function because
+constructing the human-readable stack trace is somewhat expensive.
+
+## Class methods
+
+The following methods are defined on the `VError` class and as exported
+functions on the `verror` module.  They're defined this way rather than using
+methods on VError instances so that they can be used on Errors not created with
+`VError`.
+
+### `VError.cause(err)`
+
+The `cause()` function returns the next Error in the cause chain for `err`, or
+`null` if there is no next error.  See the `cause` argument to the constructor.
+Errors can have arbitrarily long cause chains.  You can walk the `cause` chain
+by invoking `VError.cause(err)` on each subsequent return value.  If `err` is
+not a `VError`, the cause is `null`.
+
+### `VError.info(err)`
+
+Returns an object with all of the extra error information that's been associated
+with this Error and all of its causes.  These are the properties passed in using
+the `info` option to the constructor.  Properties not specified in the
+constructor for this Error are implicitly inherited from this error's cause.
+
+These properties are intended to provide programmatically-accessible metadata
+about the error.  For an error that indicates a failure to resolve a DNS name,
+informational properties might include the DNS name to be resolved, or even the
+list of resolvers used to resolve it.  The values of these properties should
+generally be plain objects (i.e., consisting only of null, undefined, numbers,
+booleans, strings, and objects and arrays containing only other plain objects).
+
+### `VError.fullStack(err)`
+
+Returns a string containing the full stack trace, with all nested errors recursively
+reported as `'caused by:' + err.stack`.
+
+### `VError.findCauseByName(err, name)`
+
+The `findCauseByName()` function traverses the cause chain for `err`, looking
+for an error whose `name` property matches the passed in `name` value. If no
+match is found, `null` is returned.
+
+If all you want is to know _whether_ there's a cause (and you don't care what it
+is), you can use `VError.hasCauseWithName(err, name)`.
+
+If a vanilla error or a non-VError error is passed in, then there is no cause
+chain to traverse. In this scenario, the function will check the `name`
+property of only `err`.
+
+### `VError.hasCauseWithName(err, name)`
+
+Returns true if and only if `VError.findCauseByName(err, name)` would return
+a non-null value.  This essentially determines whether `err` has any cause in
+its cause chain that has name `name`.
+
+### `VError.errorFromList(errors)`
+
+Given an array of Error objects (possibly empty), return a single error
+representing the whole collection of errors.  If the list has:
+
+* 0 elements, returns `null`
+* 1 element, returns the sole error
+* more than 1 element, returns a MultiError referencing the whole list
+
+This is useful for cases where an operation may produce any number of errors,
+and you ultimately want to implement the usual `callback(err)` pattern.  You can
+accumulate the errors in an array and then invoke
+`callback(VError.errorFromList(errors))` when the operation is complete.
+
+
+### `VError.errorForEach(err, func)`
+
+Convenience function for iterating an error that may itself be a MultiError.
+
+In all cases, `err` must be an Error.  If `err` is a MultiError, then `func` is
+invoked as `func(errorN)` for each of the underlying errors of the MultiError.
+If `err` is any other kind of error, `func` is invoked once as `func(err)`.  In
+all cases, `func` is invoked synchronously.
+
+This is useful for cases where an operation may produce any number of warnings
+that may be encapsulated with a MultiError -- but may not be.
+
+This function does not iterate an error's cause chain.
+
+
+## Examples
+
+The "Demo" section above covers several basic cases.  Here's a more advanced
+case:
+
+```javascript
+var err1 = new VError('something bad happened');
+/* ... */
+var err2 = new VError({
+    'name': 'ConnectionError',
+    'cause': err1,
+    'info': {
+        'errno': 'ECONNREFUSED',
+        'remote_ip': '127.0.0.1',
+        'port': 215
+    }
+}, 'failed to connect to "%s:%d"', '127.0.0.1', 215);
+
+console.log(err2.message);
+console.log(err2.name);
+console.log(VError.info(err2));
+console.log(err2.stack);
+```
+
+This outputs:
+
+    failed to connect to "127.0.0.1:215": something bad happened
+    ConnectionError
+    { errno: 'ECONNREFUSED', remote_ip: '127.0.0.1', port: 215 }
+    ConnectionError: failed to connect to "127.0.0.1:215": something bad happened
+        at Object.<anonymous> (/home/dap/node-verror/examples/info.js:5:12)
+        at Module._compile (module.js:456:26)
+        at Object.Module._extensions..js (module.js:474:10)
+        at Module.load (module.js:356:32)
+        at Function.Module._load (module.js:312:12)
+        at Function.Module.runMain (module.js:497:10)
+        at startup (node.js:119:16)
+        at node.js:935:3
+
+Information properties are inherited up the cause chain, with values at the top
+of the chain overriding same-named values lower in the chain.  To continue that
+example:
+
+```javascript
+var err3 = new VError({
+    'name': 'RequestError',
+    'cause': err2,
+    'info': {
+        'errno': 'EBADREQUEST'
+    }
+}, 'request failed');
+
+console.log(err3.message);
+console.log(err3.name);
+console.log(VError.info(err3));
+console.log(err3.stack);
+```
+
+This outputs:
+
+    request failed: failed to connect to "127.0.0.1:215": something bad happened
+    RequestError
+    { errno: 'EBADREQUEST', remote_ip: '127.0.0.1', port: 215 }
+    RequestError: request failed: failed to connect to "127.0.0.1:215": something bad happened
+        at Object.<anonymous> (/home/dap/node-verror/examples/info.js:20:12)
+        at Module._compile (module.js:456:26)
+        at Object.Module._extensions..js (module.js:474:10)
+        at Module.load (module.js:356:32)
+        at Function.Module._load (module.js:312:12)
+        at Function.Module.runMain (module.js:497:10)
+        at startup (node.js:119:16)
+        at node.js:935:3
+
+You can also print the complete stack trace of combined `Error`s by using
+`VError.fullStack(err).`
+
+```javascript
+var err1 = new VError('something bad happened');
+/* ... */
+var err2 = new VError(err1, 'something really bad happened here');
+
+console.log(VError.fullStack(err2));
+```
+
+This outputs:
+
+    VError: something really bad happened here: something bad happened
+        at Object.<anonymous> (/home/dap/node-verror/examples/fullStack.js:5:12)
+        at Module._compile (module.js:409:26)
+        at Object.Module._extensions..js (module.js:416:10)
+        at Module.load (module.js:343:32)
+        at Function.Module._load (module.js:300:12)
+        at Function.Module.runMain (module.js:441:10)
+        at startup (node.js:139:18)
+        at node.js:968:3
+    caused by: VError: something bad happened
+        at Object.<anonymous> (/home/dap/node-verror/examples/fullStack.js:3:12)
+        at Module._compile (module.js:409:26)
+        at Object.Module._extensions..js (module.js:416:10)
+        at Module.load (module.js:343:32)
+        at Function.Module._load (module.js:300:12)
+        at Function.Module.runMain (module.js:441:10)
+        at startup (node.js:139:18)
+        at node.js:968:3
+
+`VError.fullStack` is also safe to use on regular `Error`s, so feel free to use
+it whenever you need to extract the stack trace from an `Error`, regardless if
+it's a `VError` or not.
+
+# Reference: MultiError
+
+MultiError is an Error class that represents a group of Errors.  This is used
+when you logically need to provide a single Error, but you want to preserve
+information about multiple underying Errors.  A common case is when you execute
+several operations in parallel and some of them fail.
+
+MultiErrors are constructed as:
+
+```javascript
+new MultiError(error_list)
+```
+
+`error_list` is an array of at least one `Error` object.
+
+The cause of the MultiError is the first error provided.  None of the other
+`VError` options are supported.  The `message` for a MultiError consists the
+`message` from the first error, prepended with a message indicating that there
+were other errors.
+
+For example:
+
+```javascript
+err = new MultiError([
+    new Error('failed to resolve DNS name "abc.example.com"'),
+    new Error('failed to resolve DNS name "def.example.com"'),
+]);
+
+console.error(err.message);
+```
+
+outputs:
+
+    first of 2 errors: failed to resolve DNS name "abc.example.com"
+
+See the convenience function `VError.errorFromList`, which is sometimes simpler
+to use than this constructor.
+
+## Public methods
+
+
+### `errors()`
+
+Returns an array of the errors used to construct this MultiError.
+
+
+# Contributing
+
+See separate [contribution guidelines](CONTRIBUTING.md).
diff --git a/node_modules/verror/lib/verror.js b/node_modules/verror/lib/verror.js
new file mode 100644
index 000000000..8663ddead
--- /dev/null
+++ b/node_modules/verror/lib/verror.js
@@ -0,0 +1,451 @@
+/*
+ * verror.js: richer JavaScript errors
+ */
+
+var mod_assertplus = require('assert-plus');
+var mod_util = require('util');
+
+var mod_extsprintf = require('extsprintf');
+var mod_isError = require('core-util-is').isError;
+var sprintf = mod_extsprintf.sprintf;
+
+/*
+ * Public interface
+ */
+
+/* So you can 'var VError = require('verror')' */
+module.exports = VError;
+/* For compatibility */
+VError.VError = VError;
+/* Other exported classes */
+VError.SError = SError;
+VError.WError = WError;
+VError.MultiError = MultiError;
+
+/*
+ * Common function used to parse constructor arguments for VError, WError, and
+ * SError.  Named arguments to this function:
+ *
+ *     strict		force strict interpretation of sprintf arguments, even
+ *     			if the options in "argv" don't say so
+ *
+ *     argv		error's constructor arguments, which are to be
+ *     			interpreted as described in README.md.  For quick
+ *     			reference, "argv" has one of the following forms:
+ *
+ *          [ sprintf_args... ]           (argv[0] is a string)
+ *          [ cause, sprintf_args... ]    (argv[0] is an Error)
+ *          [ options, sprintf_args... ]  (argv[0] is an object)
+ *
+ * This function normalizes these forms, producing an object with the following
+ * properties:
+ *
+ *    options           equivalent to "options" in third form.  This will never
+ *    			be a direct reference to what the caller passed in
+ *    			(i.e., it may be a shallow copy), so it can be freely
+ *    			modified.
+ *
+ *    shortmessage      result of sprintf(sprintf_args), taking options.strict
+ *    			into account as described in README.md.
+ */
+function parseConstructorArguments(args)
+{
+	var argv, options, sprintf_args, shortmessage, k;
+
+	mod_assertplus.object(args, 'args');
+	mod_assertplus.bool(args.strict, 'args.strict');
+	mod_assertplus.array(args.argv, 'args.argv');
+	argv = args.argv;
+
+	/*
+	 * First, figure out which form of invocation we've been given.
+	 */
+	if (argv.length === 0) {
+		options = {};
+		sprintf_args = [];
+	} else if (mod_isError(argv[0])) {
+		options = { 'cause': argv[0] };
+		sprintf_args = argv.slice(1);
+	} else if (typeof (argv[0]) === 'object') {
+		options = {};
+		for (k in argv[0]) {
+			options[k] = argv[0][k];
+		}
+		sprintf_args = argv.slice(1);
+	} else {
+		mod_assertplus.string(argv[0],
+		    'first argument to VError, SError, or WError ' +
+		    'constructor must be a string, object, or Error');
+		options = {};
+		sprintf_args = argv;
+	}
+
+	/*
+	 * Now construct the error's message.
+	 *
+	 * extsprintf (which we invoke here with our caller's arguments in order
+	 * to construct this Error's message) is strict in its interpretation of
+	 * values to be processed by the "%s" specifier.  The value passed to
+	 * extsprintf must actually be a string or something convertible to a
+	 * String using .toString().  Passing other values (notably "null" and
+	 * "undefined") is considered a programmer error.  The assumption is
+	 * that if you actually want to print the string "null" or "undefined",
+	 * then that's easy to do that when you're calling extsprintf; on the
+	 * other hand, if you did NOT want that (i.e., there's actually a bug
+	 * where the program assumes some variable is non-null and tries to
+	 * print it, which might happen when constructing a packet or file in
+	 * some specific format), then it's better to stop immediately than
+	 * produce bogus output.
+	 *
+	 * However, sometimes the bug is only in the code calling VError, and a
+	 * programmer might prefer to have the error message contain "null" or
+	 * "undefined" rather than have the bug in the error path crash the
+	 * program (making the first bug harder to identify).  For that reason,
+	 * by default VError converts "null" or "undefined" arguments to their
+	 * string representations and passes those to extsprintf.  Programmers
+	 * desiring the strict behavior can use the SError class or pass the
+	 * "strict" option to the VError constructor.
+	 */
+	mod_assertplus.object(options);
+	if (!options.strict && !args.strict) {
+		sprintf_args = sprintf_args.map(function (a) {
+			return (a === null ? 'null' :
+			    a === undefined ? 'undefined' : a);
+		});
+	}
+
+	if (sprintf_args.length === 0) {
+		shortmessage = '';
+	} else {
+		shortmessage = sprintf.apply(null, sprintf_args);
+	}
+
+	return ({
+	    'options': options,
+	    'shortmessage': shortmessage
+	});
+}
+
+/*
+ * See README.md for reference documentation.
+ */
+function VError()
+{
+	var args, obj, parsed, cause, ctor, message, k;
+
+	args = Array.prototype.slice.call(arguments, 0);
+
+	/*
+	 * This is a regrettable pattern, but JavaScript's built-in Error class
+	 * is defined to work this way, so we allow the constructor to be called
+	 * without "new".
+	 */
+	if (!(this instanceof VError)) {
+		obj = Object.create(VError.prototype);
+		VError.apply(obj, arguments);
+		return (obj);
+	}
+
+	/*
+	 * For convenience and backwards compatibility, we support several
+	 * different calling forms.  Normalize them here.
+	 */
+	parsed = parseConstructorArguments({
+	    'argv': args,
+	    'strict': false
+	});
+
+	/*
+	 * If we've been given a name, apply it now.
+	 */
+	if (parsed.options.name) {
+		mod_assertplus.string(parsed.options.name,
+		    'error\'s "name" must be a string');
+		this.name = parsed.options.name;
+	}
+
+	/*
+	 * For debugging, we keep track of the original short message (attached
+	 * this Error particularly) separately from the complete message (which
+	 * includes the messages of our cause chain).
+	 */
+	this.jse_shortmsg = parsed.shortmessage;
+	message = parsed.shortmessage;
+
+	/*
+	 * If we've been given a cause, record a reference to it and update our
+	 * message appropriately.
+	 */
+	cause = parsed.options.cause;
+	if (cause) {
+		mod_assertplus.ok(mod_isError(cause), 'cause is not an Error');
+		this.jse_cause = cause;
+
+		if (!parsed.options.skipCauseMessage) {
+			message += ': ' + cause.message;
+		}
+	}
+
+	/*
+	 * If we've been given an object with properties, shallow-copy that
+	 * here.  We don't want to use a deep copy in case there are non-plain
+	 * objects here, but we don't want to use the original object in case
+	 * the caller modifies it later.
+	 */
+	this.jse_info = {};
+	if (parsed.options.info) {
+		for (k in parsed.options.info) {
+			this.jse_info[k] = parsed.options.info[k];
+		}
+	}
+
+	this.message = message;
+	Error.call(this, message);
+
+	if (Error.captureStackTrace) {
+		ctor = parsed.options.constructorOpt || this.constructor;
+		Error.captureStackTrace(this, ctor);
+	}
+
+	return (this);
+}
+
+mod_util.inherits(VError, Error);
+VError.prototype.name = 'VError';
+
+VError.prototype.toString = function ve_toString()
+{
+	var str = (this.hasOwnProperty('name') && this.name ||
+		this.constructor.name || this.constructor.prototype.name);
+	if (this.message)
+		str += ': ' + this.message;
+
+	return (str);
+};
+
+/*
+ * This method is provided for compatibility.  New callers should use
+ * VError.cause() instead.  That method also uses the saner `null` return value
+ * when there is no cause.
+ */
+VError.prototype.cause = function ve_cause()
+{
+	var cause = VError.cause(this);
+	return (cause === null ? undefined : cause);
+};
+
+/*
+ * Static methods
+ *
+ * These class-level methods are provided so that callers can use them on
+ * instances of Errors that are not VErrors.  New interfaces should be provided
+ * only using static methods to eliminate the class of programming mistake where
+ * people fail to check whether the Error object has the corresponding methods.
+ */
+
+VError.cause = function (err)
+{
+	mod_assertplus.ok(mod_isError(err), 'err must be an Error');
+	return (mod_isError(err.jse_cause) ? err.jse_cause : null);
+};
+
+VError.info = function (err)
+{
+	var rv, cause, k;
+
+	mod_assertplus.ok(mod_isError(err), 'err must be an Error');
+	cause = VError.cause(err);
+	if (cause !== null) {
+		rv = VError.info(cause);
+	} else {
+		rv = {};
+	}
+
+	if (typeof (err.jse_info) == 'object' && err.jse_info !== null) {
+		for (k in err.jse_info) {
+			rv[k] = err.jse_info[k];
+		}
+	}
+
+	return (rv);
+};
+
+VError.findCauseByName = function (err, name)
+{
+	var cause;
+
+	mod_assertplus.ok(mod_isError(err), 'err must be an Error');
+	mod_assertplus.string(name, 'name');
+	mod_assertplus.ok(name.length > 0, 'name cannot be empty');
+
+	for (cause = err; cause !== null; cause = VError.cause(cause)) {
+		mod_assertplus.ok(mod_isError(cause));
+		if (cause.name == name) {
+			return (cause);
+		}
+	}
+
+	return (null);
+};
+
+VError.hasCauseWithName = function (err, name)
+{
+	return (VError.findCauseByName(err, name) !== null);
+};
+
+VError.fullStack = function (err)
+{
+	mod_assertplus.ok(mod_isError(err), 'err must be an Error');
+
+	var cause = VError.cause(err);
+
+	if (cause) {
+		return (err.stack + '\ncaused by: ' + VError.fullStack(cause));
+	}
+
+	return (err.stack);
+};
+
+VError.errorFromList = function (errors)
+{
+	mod_assertplus.arrayOfObject(errors, 'errors');
+
+	if (errors.length === 0) {
+		return (null);
+	}
+
+	errors.forEach(function (e) {
+		mod_assertplus.ok(mod_isError(e));
+	});
+
+	if (errors.length == 1) {
+		return (errors[0]);
+	}
+
+	return (new MultiError(errors));
+};
+
+VError.errorForEach = function (err, func)
+{
+	mod_assertplus.ok(mod_isError(err), 'err must be an Error');
+	mod_assertplus.func(func, 'func');
+
+	if (err instanceof MultiError) {
+		err.errors().forEach(function iterError(e) { func(e); });
+	} else {
+		func(err);
+	}
+};
+
+
+/*
+ * SError is like VError, but stricter about types.  You cannot pass "null" or
+ * "undefined" as string arguments to the formatter.
+ */
+function SError()
+{
+	var args, obj, parsed, options;
+
+	args = Array.prototype.slice.call(arguments, 0);
+	if (!(this instanceof SError)) {
+		obj = Object.create(SError.prototype);
+		SError.apply(obj, arguments);
+		return (obj);
+	}
+
+	parsed = parseConstructorArguments({
+	    'argv': args,
+	    'strict': true
+	});
+
+	options = parsed.options;
+	VError.call(this, options, '%s', parsed.shortmessage);
+
+	return (this);
+}
+
+/*
+ * We don't bother setting SError.prototype.name because once constructed,
+ * SErrors are just like VErrors.
+ */
+mod_util.inherits(SError, VError);
+
+
+/*
+ * Represents a collection of errors for the purpose of consumers that generally
+ * only deal with one error.  Callers can extract the individual errors
+ * contained in this object, but may also just treat it as a normal single
+ * error, in which case a summary message will be printed.
+ */
+function MultiError(errors)
+{
+	mod_assertplus.array(errors, 'list of errors');
+	mod_assertplus.ok(errors.length > 0, 'must be at least one error');
+	this.ase_errors = errors;
+
+	VError.call(this, {
+	    'cause': errors[0]
+	}, 'first of %d error%s', errors.length, errors.length == 1 ? '' : 's');
+}
+
+mod_util.inherits(MultiError, VError);
+MultiError.prototype.name = 'MultiError';
+
+MultiError.prototype.errors = function me_errors()
+{
+	return (this.ase_errors.slice(0));
+};
+
+
+/*
+ * See README.md for reference details.
+ */
+function WError()
+{
+	var args, obj, parsed, options;
+
+	args = Array.prototype.slice.call(arguments, 0);
+	if (!(this instanceof WError)) {
+		obj = Object.create(WError.prototype);
+		WError.apply(obj, args);
+		return (obj);
+	}
+
+	parsed = parseConstructorArguments({
+	    'argv': args,
+	    'strict': false
+	});
+
+	options = parsed.options;
+	options['skipCauseMessage'] = true;
+	VError.call(this, options, '%s', parsed.shortmessage);
+
+	return (this);
+}
+
+mod_util.inherits(WError, VError);
+WError.prototype.name = 'WError';
+
+WError.prototype.toString = function we_toString()
+{
+	var str = (this.hasOwnProperty('name') && this.name ||
+		this.constructor.name || this.constructor.prototype.name);
+	if (this.message)
+		str += ': ' + this.message;
+	if (this.jse_cause && this.jse_cause.message)
+		str += '; caused by ' + this.jse_cause.toString();
+
+	return (str);
+};
+
+/*
+ * For purely historical reasons, WError's cause() function allows you to set
+ * the cause.
+ */
+WError.prototype.cause = function we_cause(c)
+{
+	if (mod_isError(c))
+		this.jse_cause = c;
+
+	return (this.jse_cause);
+};
diff --git a/node_modules/verror/package.json b/node_modules/verror/package.json
new file mode 100644
index 000000000..79295c57a
--- /dev/null
+++ b/node_modules/verror/package.json
@@ -0,0 +1,22 @@
+{
+	"name": "verror",
+	"version": "1.10.0",
+	"description": "richer JavaScript errors",
+	"main": "./lib/verror.js",
+	"repository": {
+		"type": "git",
+		"url": "git://github.com/davepacheco/node-verror.git"
+	},
+	"dependencies": {
+		"assert-plus": "^1.0.0",
+		"core-util-is": "1.0.2",
+		"extsprintf": "^1.2.0"
+	},
+	"engines": [
+		"node >=0.6.0"
+	],
+	"scripts": {
+		"test": "make test"
+	},
+	"license": "MIT"
+}
diff --git a/node_modules/webidl-conversions/LICENSE.md b/node_modules/webidl-conversions/LICENSE.md
new file mode 100644
index 000000000..d4a994f50
--- /dev/null
+++ b/node_modules/webidl-conversions/LICENSE.md
@@ -0,0 +1,12 @@
+# The BSD 2-Clause License
+
+Copyright (c) 2014, Domenic Denicola
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/node_modules/webidl-conversions/README.md b/node_modules/webidl-conversions/README.md
new file mode 100644
index 000000000..16cc39315
--- /dev/null
+++ b/node_modules/webidl-conversions/README.md
@@ -0,0 +1,99 @@
+# Web IDL Type Conversions on JavaScript Values
+
+This package implements, in JavaScript, the algorithms to convert a given JavaScript value according to a given [Web IDL](http://heycam.github.io/webidl/) [type](http://heycam.github.io/webidl/#idl-types).
+
+The goal is that you should be able to write code like
+
+```js
+"use strict";
+const conversions = require("webidl-conversions");
+
+function doStuff(x, y) {
+    x = conversions["boolean"](x);
+    y = conversions["unsigned long"](y);
+    // actual algorithm code here
+}
+```
+
+and your function `doStuff` will behave the same as a Web IDL operation declared as
+
+```webidl
+undefined doStuff(boolean x, unsigned long y);
+```
+
+## API
+
+This package's main module's default export is an object with a variety of methods, each corresponding to a different Web IDL type. Each method, when invoked on a JavaScript value, will give back the new JavaScript value that results after passing through the Web IDL conversion rules. (See below for more details on what that means.) Alternately, the method could throw an error, if the Web IDL algorithm is specified to do so: for example `conversions["float"](NaN)` [will throw a `TypeError`](http://heycam.github.io/webidl/#es-float).
+
+Each method also accepts a second, optional, parameter for miscellaneous options. For conversion methods that throw errors, a string option `{ context }` may be provided to provide more information in the error message. (For example, `conversions["float"](NaN, { context: "Argument 1 of Interface's operation" })` will throw an error with message `"Argument 1 of Interface's operation is not a finite floating-point value."`)
+
+If we are dealing with multiple JavaScript realms (such as those created using Node.js' [vm](https://nodejs.org/api/vm.html) module or the HTML `iframe` element), and exceptions from another realm need to be thrown, one can supply an object option `globals` containing the following properties:
+
+```js
+{
+  globals: {
+    Number,
+    String,
+    TypeError
+  }
+}
+```
+
+Those specific functions will be used when throwing exceptions.
+
+Specific conversions may also accept other options, the details of which can be found below.
+
+## Conversions implemented
+
+Conversions for all of the basic types from the Web IDL specification are implemented:
+
+- [`any`](https://heycam.github.io/webidl/#es-any)
+- [`undefined`](https://heycam.github.io/webidl/#es-undefined)
+- [`boolean`](https://heycam.github.io/webidl/#es-boolean)
+- [Integer types](https://heycam.github.io/webidl/#es-integer-types), which can additionally be provided the boolean options `{ clamp, enforceRange }` as a second parameter
+- [`float`](https://heycam.github.io/webidl/#es-float), [`unrestricted float`](https://heycam.github.io/webidl/#es-unrestricted-float)
+- [`double`](https://heycam.github.io/webidl/#es-double), [`unrestricted double`](https://heycam.github.io/webidl/#es-unrestricted-double)
+- [`DOMString`](https://heycam.github.io/webidl/#es-DOMString), which can additionally be provided the boolean option `{ treatNullAsEmptyString }` as a second parameter
+- [`ByteString`](https://heycam.github.io/webidl/#es-ByteString), [`USVString`](https://heycam.github.io/webidl/#es-USVString)
+- [`object`](https://heycam.github.io/webidl/#es-object)
+- [Buffer source types](https://heycam.github.io/webidl/#es-buffer-source-types), which can additionally be provided with the boolean option `{ allowShared }` as a second parameter
+
+Additionally, for convenience, the following derived type definitions are implemented:
+
+- [`ArrayBufferView`](https://heycam.github.io/webidl/#ArrayBufferView), which can additionally be provided with the boolean option `{ allowShared }` as a second parameter
+- [`BufferSource`](https://heycam.github.io/webidl/#BufferSource)
+- [`DOMTimeStamp`](https://heycam.github.io/webidl/#DOMTimeStamp)
+
+Derived types, such as nullable types, promise types, sequences, records, etc. are not handled by this library. You may wish to investigate the [webidl2js](https://github.com/jsdom/webidl2js) project.
+
+### A note on the `long long` types
+
+The `long long` and `unsigned long long` Web IDL types can hold values that cannot be stored in JavaScript numbers. Conversions are still accurate as we make use of BigInt in the conversion process, but in the case of `unsigned long long` we simply cannot represent some possible output values in JavaScript. For example, converting the JavaScript number `-1` to a Web IDL `unsigned long long` is supposed to produce the Web IDL value `18446744073709551615`. Since we are representing our Web IDL values in JavaScript, we can't represent `18446744073709551615`, so we instead the best we could do is `18446744073709551616` as the output.
+
+To mitigate this, we could return the raw BigInt value from the conversion function, but right now it is not implemented. If your use case requires such precision, [file an issue](https://github.com/jsdom/webidl-conversions/issues/new).
+
+On the other hand, `long long` conversion is always accurate, since the input value can never be more precise than the output value.
+
+### A note on `BufferSource` types
+
+All of the `BufferSource` types will throw when the relevant `ArrayBuffer` has been detached. This technically is not part of the [specified conversion algorithm](https://heycam.github.io/webidl/#es-buffer-source-types), but instead part of the [getting a reference/getting a copy](https://heycam.github.io/webidl/#ref-for-dfn-get-buffer-source-reference%E2%91%A0) algorithms. We've consolidated them here for convenience and ease of implementation, but if there is a need to separate them in the future, please open an issue so we can investigate.
+
+## Background
+
+What's actually going on here, conceptually, is pretty weird. Let's try to explain.
+
+Web IDL, as part of its madness-inducing design, has its own type system. When people write algorithms in web platform specs, they usually operate on Web IDL values, i.e. instances of Web IDL types. For example, if they were specifying the algorithm for our `doStuff` operation above, they would treat `x` as a Web IDL value of [Web IDL type `boolean`](http://heycam.github.io/webidl/#idl-boolean). Crucially, they would _not_ treat `x` as a JavaScript variable whose value is either the JavaScript `true` or `false`. They're instead working in a different type system altogether, with its own rules.
+
+Separately from its type system, Web IDL defines a ["binding"](http://heycam.github.io/webidl/#ecmascript-binding) of the type system into JavaScript. This contains rules like: when you pass a JavaScript value to the JavaScript method that manifests a given Web IDL operation, how does that get converted into a Web IDL value? For example, a JavaScript `true` passed in the position of a Web IDL `boolean` argument becomes a Web IDL `true`. But, a JavaScript `true` passed in the position of a [Web IDL `unsigned long`](http://heycam.github.io/webidl/#idl-unsigned-long) becomes a Web IDL `1`. And so on.
+
+Finally, we have the actual implementation code. This is usually C++, although these days [some smart people are using Rust](https://github.com/servo/servo). The implementation, of course, has its own type system. So when they implement the Web IDL algorithms, they don't actually use Web IDL values, since those aren't "real" outside of specs. Instead, implementations apply the Web IDL binding rules in such a way as to convert incoming JavaScript values into C++ values. For example, if code in the browser called `doStuff(true, true)`, then the implementation code would eventually receive a C++ `bool` containing `true` and a C++ `uint32_t` containing `1`.
+
+The upside of all this is that implementations can abstract all the conversion logic away, letting Web IDL handle it, and focus on implementing the relevant methods in C++ with values of the correct type already provided. That is payoff of Web IDL, in a nutshell.
+
+And getting to that payoff is the goal of _this_ project—but for JavaScript implementations, instead of C++ ones. That is, this library is designed to make it easier for JavaScript developers to write functions that behave like a given Web IDL operation. So conceptually, the conversion pipeline, which in its general form is JavaScript values ↦ Web IDL values ↦ implementation-language values, in this case becomes JavaScript values ↦ Web IDL values ↦ JavaScript values. And that intermediate step is where all the logic is performed: a JavaScript `true` becomes a Web IDL `1` in an unsigned long context, which then becomes a JavaScript `1`.
+
+## Don't use this
+
+Seriously, why would you ever use this? You really shouldn't. Web IDL is … strange, and you shouldn't be emulating its semantics. If you're looking for a generic argument-processing library, you should find one with better rules than those from Web IDL. In general, your JavaScript should not be trying to become more like Web IDL; if anything, we should fix Web IDL to make it more like JavaScript.
+
+The _only_ people who should use this are those trying to create faithful implementations (or polyfills) of web platform interfaces defined in Web IDL. Its main consumer is the [jsdom](https://github.com/jsdom/jsdom) project.
diff --git a/node_modules/webidl-conversions/lib/index.js b/node_modules/webidl-conversions/lib/index.js
new file mode 100644
index 000000000..0229347c1
--- /dev/null
+++ b/node_modules/webidl-conversions/lib/index.js
@@ -0,0 +1,450 @@
+"use strict";
+
+function makeException(ErrorType, message, options) {
+  if (options.globals) {
+    ErrorType = options.globals[ErrorType.name];
+  }
+  return new ErrorType(`${options.context ? options.context : "Value"} ${message}.`);
+}
+
+function toNumber(value, options) {
+  if (typeof value === "bigint") {
+    throw makeException(TypeError, "is a BigInt which cannot be converted to a number", options);
+  }
+  if (!options.globals) {
+    return Number(value);
+  }
+  return options.globals.Number(value);
+}
+
+// Round x to the nearest integer, choosing the even integer if it lies halfway between two.
+function evenRound(x) {
+  // There are four cases for numbers with fractional part being .5:
+  //
+  // case |     x     | floor(x) | round(x) | expected | x <> 0 | x % 1 | x & 1 |   example
+  //   1  |  2n + 0.5 |  2n      |  2n + 1  |  2n      |   >    |  0.5  |   0   |  0.5 ->  0
+  //   2  |  2n + 1.5 |  2n + 1  |  2n + 2  |  2n + 2  |   >    |  0.5  |   1   |  1.5 ->  2
+  //   3  | -2n - 0.5 | -2n - 1  | -2n      | -2n      |   <    | -0.5  |   0   | -0.5 ->  0
+  //   4  | -2n - 1.5 | -2n - 2  | -2n - 1  | -2n - 2  |   <    | -0.5  |   1   | -1.5 -> -2
+  // (where n is a non-negative integer)
+  //
+  // Branch here for cases 1 and 4
+  if ((x > 0 && (x % 1) === +0.5 && (x & 1) === 0) ||
+        (x < 0 && (x % 1) === -0.5 && (x & 1) === 1)) {
+    return censorNegativeZero(Math.floor(x));
+  }
+
+  return censorNegativeZero(Math.round(x));
+}
+
+function integerPart(n) {
+  return censorNegativeZero(Math.trunc(n));
+}
+
+function sign(x) {
+  return x < 0 ? -1 : 1;
+}
+
+function modulo(x, y) {
+  // https://tc39.github.io/ecma262/#eqn-modulo
+  // Note that http://stackoverflow.com/a/4467559/3191 does NOT work for large modulos
+  const signMightNotMatch = x % y;
+  if (sign(y) !== sign(signMightNotMatch)) {
+    return signMightNotMatch + y;
+  }
+  return signMightNotMatch;
+}
+
+function censorNegativeZero(x) {
+  return x === 0 ? 0 : x;
+}
+
+function createIntegerConversion(bitLength, { unsigned }) {
+  let lowerBound, upperBound;
+  if (unsigned) {
+    lowerBound = 0;
+    upperBound = 2 ** bitLength - 1;
+  } else {
+    lowerBound = -(2 ** (bitLength - 1));
+    upperBound = 2 ** (bitLength - 1) - 1;
+  }
+
+  const twoToTheBitLength = 2 ** bitLength;
+  const twoToOneLessThanTheBitLength = 2 ** (bitLength - 1);
+
+  return (value, options = {}) => {
+    let x = toNumber(value, options);
+    x = censorNegativeZero(x);
+
+    if (options.enforceRange) {
+      if (!Number.isFinite(x)) {
+        throw makeException(TypeError, "is not a finite number", options);
+      }
+
+      x = integerPart(x);
+
+      if (x < lowerBound || x > upperBound) {
+        throw makeException(
+          TypeError,
+          `is outside the accepted range of ${lowerBound} to ${upperBound}, inclusive`,
+          options
+        );
+      }
+
+      return x;
+    }
+
+    if (!Number.isNaN(x) && options.clamp) {
+      x = Math.min(Math.max(x, lowerBound), upperBound);
+      x = evenRound(x);
+      return x;
+    }
+
+    if (!Number.isFinite(x) || x === 0) {
+      return 0;
+    }
+    x = integerPart(x);
+
+    // Math.pow(2, 64) is not accurately representable in JavaScript, so try to avoid these per-spec operations if
+    // possible. Hopefully it's an optimization for the non-64-bitLength cases too.
+    if (x >= lowerBound && x <= upperBound) {
+      return x;
+    }
+
+    // These will not work great for bitLength of 64, but oh well. See the README for more details.
+    x = modulo(x, twoToTheBitLength);
+    if (!unsigned && x >= twoToOneLessThanTheBitLength) {
+      return x - twoToTheBitLength;
+    }
+    return x;
+  };
+}
+
+function createLongLongConversion(bitLength, { unsigned }) {
+  const upperBound = Number.MAX_SAFE_INTEGER;
+  const lowerBound = unsigned ? 0 : Number.MIN_SAFE_INTEGER;
+  const asBigIntN = unsigned ? BigInt.asUintN : BigInt.asIntN;
+
+  return (value, options = {}) => {
+    let x = toNumber(value, options);
+    x = censorNegativeZero(x);
+
+    if (options.enforceRange) {
+      if (!Number.isFinite(x)) {
+        throw makeException(TypeError, "is not a finite number", options);
+      }
+
+      x = integerPart(x);
+
+      if (x < lowerBound || x > upperBound) {
+        throw makeException(
+          TypeError,
+          `is outside the accepted range of ${lowerBound} to ${upperBound}, inclusive`,
+          options
+        );
+      }
+
+      return x;
+    }
+
+    if (!Number.isNaN(x) && options.clamp) {
+      x = Math.min(Math.max(x, lowerBound), upperBound);
+      x = evenRound(x);
+      return x;
+    }
+
+    if (!Number.isFinite(x) || x === 0) {
+      return 0;
+    }
+
+    let xBigInt = BigInt(integerPart(x));
+    xBigInt = asBigIntN(bitLength, xBigInt);
+    return Number(xBigInt);
+  };
+}
+
+exports.any = value => {
+  return value;
+};
+
+exports.undefined = () => {
+  return undefined;
+};
+
+exports.boolean = value => {
+  return Boolean(value);
+};
+
+exports.byte = createIntegerConversion(8, { unsigned: false });
+exports.octet = createIntegerConversion(8, { unsigned: true });
+
+exports.short = createIntegerConversion(16, { unsigned: false });
+exports["unsigned short"] = createIntegerConversion(16, { unsigned: true });
+
+exports.long = createIntegerConversion(32, { unsigned: false });
+exports["unsigned long"] = createIntegerConversion(32, { unsigned: true });
+
+exports["long long"] = createLongLongConversion(64, { unsigned: false });
+exports["unsigned long long"] = createLongLongConversion(64, { unsigned: true });
+
+exports.double = (value, options = {}) => {
+  const x = toNumber(value, options);
+
+  if (!Number.isFinite(x)) {
+    throw makeException(TypeError, "is not a finite floating-point value", options);
+  }
+
+  return x;
+};
+
+exports["unrestricted double"] = (value, options = {}) => {
+  const x = toNumber(value, options);
+
+  return x;
+};
+
+exports.float = (value, options = {}) => {
+  const x = toNumber(value, options);
+
+  if (!Number.isFinite(x)) {
+    throw makeException(TypeError, "is not a finite floating-point value", options);
+  }
+
+  if (Object.is(x, -0)) {
+    return x;
+  }
+
+  const y = Math.fround(x);
+
+  if (!Number.isFinite(y)) {
+    throw makeException(TypeError, "is outside the range of a single-precision floating-point value", options);
+  }
+
+  return y;
+};
+
+exports["unrestricted float"] = (value, options = {}) => {
+  const x = toNumber(value, options);
+
+  if (isNaN(x)) {
+    return x;
+  }
+
+  if (Object.is(x, -0)) {
+    return x;
+  }
+
+  return Math.fround(x);
+};
+
+exports.DOMString = (value, options = {}) => {
+  if (options.treatNullAsEmptyString && value === null) {
+    return "";
+  }
+
+  if (typeof value === "symbol") {
+    throw makeException(TypeError, "is a symbol, which cannot be converted to a string", options);
+  }
+
+  const StringCtor = options.globals ? options.globals.String : String;
+  return StringCtor(value);
+};
+
+exports.ByteString = (value, options = {}) => {
+  const x = exports.DOMString(value, options);
+  let c;
+  for (let i = 0; (c = x.codePointAt(i)) !== undefined; ++i) {
+    if (c > 255) {
+      throw makeException(TypeError, "is not a valid ByteString", options);
+    }
+  }
+
+  return x;
+};
+
+exports.USVString = (value, options = {}) => {
+  const S = exports.DOMString(value, options);
+  const n = S.length;
+  const U = [];
+  for (let i = 0; i < n; ++i) {
+    const c = S.charCodeAt(i);
+    if (c < 0xD800 || c > 0xDFFF) {
+      U.push(String.fromCodePoint(c));
+    } else if (0xDC00 <= c && c <= 0xDFFF) {
+      U.push(String.fromCodePoint(0xFFFD));
+    } else if (i === n - 1) {
+      U.push(String.fromCodePoint(0xFFFD));
+    } else {
+      const d = S.charCodeAt(i + 1);
+      if (0xDC00 <= d && d <= 0xDFFF) {
+        const a = c & 0x3FF;
+        const b = d & 0x3FF;
+        U.push(String.fromCodePoint((2 << 15) + ((2 << 9) * a) + b));
+        ++i;
+      } else {
+        U.push(String.fromCodePoint(0xFFFD));
+      }
+    }
+  }
+
+  return U.join("");
+};
+
+exports.object = (value, options = {}) => {
+  if (value === null || (typeof value !== "object" && typeof value !== "function")) {
+    throw makeException(TypeError, "is not an object", options);
+  }
+
+  return value;
+};
+
+const abByteLengthGetter =
+    Object.getOwnPropertyDescriptor(ArrayBuffer.prototype, "byteLength").get;
+const sabByteLengthGetter =
+    typeof SharedArrayBuffer === "function" ?
+      Object.getOwnPropertyDescriptor(SharedArrayBuffer.prototype, "byteLength").get :
+      null;
+
+function isNonSharedArrayBuffer(value) {
+  try {
+    // This will throw on SharedArrayBuffers, but not detached ArrayBuffers.
+    // (The spec says it should throw, but the spec conflicts with implementations: https://github.com/tc39/ecma262/issues/678)
+    abByteLengthGetter.call(value);
+
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+function isSharedArrayBuffer(value) {
+  try {
+    sabByteLengthGetter.call(value);
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+function isArrayBufferDetached(value) {
+  try {
+    // eslint-disable-next-line no-new
+    new Uint8Array(value);
+    return false;
+  } catch {
+    return true;
+  }
+}
+
+exports.ArrayBuffer = (value, options = {}) => {
+  if (!isNonSharedArrayBuffer(value)) {
+    if (options.allowShared && !isSharedArrayBuffer(value)) {
+      throw makeException(TypeError, "is not an ArrayBuffer or SharedArrayBuffer", options);
+    }
+    throw makeException(TypeError, "is not an ArrayBuffer", options);
+  }
+  if (isArrayBufferDetached(value)) {
+    throw makeException(TypeError, "is a detached ArrayBuffer", options);
+  }
+
+  return value;
+};
+
+const dvByteLengthGetter =
+    Object.getOwnPropertyDescriptor(DataView.prototype, "byteLength").get;
+exports.DataView = (value, options = {}) => {
+  try {
+    dvByteLengthGetter.call(value);
+  } catch (e) {
+    throw makeException(TypeError, "is not a DataView", options);
+  }
+
+  if (!options.allowShared && isSharedArrayBuffer(value.buffer)) {
+    throw makeException(TypeError, "is backed by a SharedArrayBuffer, which is not allowed", options);
+  }
+  if (isArrayBufferDetached(value.buffer)) {
+    throw makeException(TypeError, "is backed by a detached ArrayBuffer", options);
+  }
+
+  return value;
+};
+
+// Returns the unforgeable `TypedArray` constructor name or `undefined`,
+// if the `this` value isn't a valid `TypedArray` object.
+//
+// https://tc39.es/ecma262/#sec-get-%typedarray%.prototype-@@tostringtag
+const typedArrayNameGetter = Object.getOwnPropertyDescriptor(
+  Object.getPrototypeOf(Uint8Array).prototype,
+  Symbol.toStringTag
+).get;
+[
+  Int8Array,
+  Int16Array,
+  Int32Array,
+  Uint8Array,
+  Uint16Array,
+  Uint32Array,
+  Uint8ClampedArray,
+  Float32Array,
+  Float64Array
+].forEach(func => {
+  const { name } = func;
+  const article = /^[AEIOU]/u.test(name) ? "an" : "a";
+  exports[name] = (value, options = {}) => {
+    if (!ArrayBuffer.isView(value) || typedArrayNameGetter.call(value) !== name) {
+      throw makeException(TypeError, `is not ${article} ${name} object`, options);
+    }
+    if (!options.allowShared && isSharedArrayBuffer(value.buffer)) {
+      throw makeException(TypeError, "is a view on a SharedArrayBuffer, which is not allowed", options);
+    }
+    if (isArrayBufferDetached(value.buffer)) {
+      throw makeException(TypeError, "is a view on a detached ArrayBuffer", options);
+    }
+
+    return value;
+  };
+});
+
+// Common definitions
+
+exports.ArrayBufferView = (value, options = {}) => {
+  if (!ArrayBuffer.isView(value)) {
+    throw makeException(TypeError, "is not a view on an ArrayBuffer or SharedArrayBuffer", options);
+  }
+
+  if (!options.allowShared && isSharedArrayBuffer(value.buffer)) {
+    throw makeException(TypeError, "is a view on a SharedArrayBuffer, which is not allowed", options);
+  }
+
+  if (isArrayBufferDetached(value.buffer)) {
+    throw makeException(TypeError, "is a view on a detached ArrayBuffer", options);
+  }
+  return value;
+};
+
+exports.BufferSource = (value, options = {}) => {
+  if (ArrayBuffer.isView(value)) {
+    if (!options.allowShared && isSharedArrayBuffer(value.buffer)) {
+      throw makeException(TypeError, "is a view on a SharedArrayBuffer, which is not allowed", options);
+    }
+
+    if (isArrayBufferDetached(value.buffer)) {
+      throw makeException(TypeError, "is a view on a detached ArrayBuffer", options);
+    }
+    return value;
+  }
+
+  if (!options.allowShared && !isNonSharedArrayBuffer(value)) {
+    throw makeException(TypeError, "is not an ArrayBuffer or a view on one", options);
+  }
+  if (options.allowShared && !isSharedArrayBuffer(value) && !isNonSharedArrayBuffer(value)) {
+    throw makeException(TypeError, "is not an ArrayBuffer, SharedArrayBuffer, or a view on one", options);
+  }
+  if (isArrayBufferDetached(value)) {
+    throw makeException(TypeError, "is a detached ArrayBuffer", options);
+  }
+
+  return value;
+};
+
+exports.DOMTimeStamp = exports["unsigned long long"];
diff --git a/node_modules/webidl-conversions/package.json b/node_modules/webidl-conversions/package.json
new file mode 100644
index 000000000..20747bb42
--- /dev/null
+++ b/node_modules/webidl-conversions/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "webidl-conversions",
+  "version": "7.0.0",
+  "description": "Implements the WebIDL algorithms for converting to and from JavaScript values",
+  "main": "lib/index.js",
+  "scripts": {
+    "lint": "eslint .",
+    "test": "mocha test/*.js",
+    "test-no-sab": "mocha --parallel --jobs 2 --require test/helpers/delete-sab.js test/*.js",
+    "coverage": "nyc mocha test/*.js"
+  },
+  "_scripts_comments": {
+    "test-no-sab": "Node.js internals are broken by deleting SharedArrayBuffer if you run tests on the main thread. Using Mocha's parallel mode avoids this."
+  },
+  "repository": "jsdom/webidl-conversions",
+  "keywords": [
+    "webidl",
+    "web",
+    "types"
+  ],
+  "files": [
+    "lib/"
+  ],
+  "author": "Domenic Denicola <d@domenic.me> (https://domenic.me/)",
+  "license": "BSD-2-Clause",
+  "devDependencies": {
+    "@domenic/eslint-config": "^1.3.0",
+    "eslint": "^7.32.0",
+    "mocha": "^9.1.1",
+    "nyc": "^15.1.0"
+  },
+  "engines": {
+    "node": ">=12"
+  }
+}
diff --git a/node_modules/whatwg-url/LICENSE.txt b/node_modules/whatwg-url/LICENSE.txt
new file mode 100644
index 000000000..8e8c25c3a
--- /dev/null
+++ b/node_modules/whatwg-url/LICENSE.txt
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) Sebastian Mayr
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/node_modules/whatwg-url/README.md b/node_modules/whatwg-url/README.md
new file mode 100644
index 000000000..4d089006f
--- /dev/null
+++ b/node_modules/whatwg-url/README.md
@@ -0,0 +1,106 @@
+# whatwg-url
+
+whatwg-url is a full implementation of the WHATWG [URL Standard](https://url.spec.whatwg.org/). It can be used standalone, but it also exposes a lot of the internal algorithms that are useful for integrating a URL parser into a project like [jsdom](https://github.com/jsdom/jsdom).
+
+## Specification conformance
+
+whatwg-url is currently up to date with the URL spec up to commit [43c2713](https://github.com/whatwg/url/commit/43c27137a0bc82c4b800fe74be893255fbeb35f4).
+
+For `file:` URLs, whose [origin is left unspecified](https://url.spec.whatwg.org/#concept-url-origin), whatwg-url chooses to use a new opaque origin (which serializes to `"null"`).
+
+whatwg-url does not yet implement any encoding handling beyond UTF-8. That is, the _encoding override_ parameter does not exist in our API.
+
+## API
+
+### The `URL` and `URLSearchParams` classes
+
+The main API is provided by the [`URL`](https://url.spec.whatwg.org/#url-class) and [`URLSearchParams`](https://url.spec.whatwg.org/#interface-urlsearchparams) exports, which follows the spec's behavior in all ways (including e.g. `USVString` conversion). Most consumers of this library will want to use these.
+
+### Low-level URL Standard API
+
+The following methods are exported for use by places like jsdom that need to implement things like [`HTMLHyperlinkElementUtils`](https://html.spec.whatwg.org/#htmlhyperlinkelementutils). They mostly operate on or return an "internal URL" or ["URL record"](https://url.spec.whatwg.org/#concept-url) type.
+
+- [URL parser](https://url.spec.whatwg.org/#concept-url-parser): `parseURL(input, { baseURL })`
+- [Basic URL parser](https://url.spec.whatwg.org/#concept-basic-url-parser): `basicURLParse(input, { baseURL, url, stateOverride })`
+- [URL serializer](https://url.spec.whatwg.org/#concept-url-serializer): `serializeURL(urlRecord, excludeFragment)`
+- [Host serializer](https://url.spec.whatwg.org/#concept-host-serializer): `serializeHost(hostFromURLRecord)`
+- [URL path serializer](https://url.spec.whatwg.org/#url-path-serializer): `serializePath(urlRecord)`
+- [Serialize an integer](https://url.spec.whatwg.org/#serialize-an-integer): `serializeInteger(number)`
+- [Origin](https://url.spec.whatwg.org/#concept-url-origin) [serializer](https://html.spec.whatwg.org/multipage/origin.html#ascii-serialisation-of-an-origin): `serializeURLOrigin(urlRecord)`
+- [Set the username](https://url.spec.whatwg.org/#set-the-username): `setTheUsername(urlRecord, usernameString)`
+- [Set the password](https://url.spec.whatwg.org/#set-the-password): `setThePassword(urlRecord, passwordString)`
+- [Has an opaque path](https://url.spec.whatwg.org/#url-opaque-path): `hasAnOpaquePath(urlRecord)`
+- [Cannot have a username/password/port](https://url.spec.whatwg.org/#cannot-have-a-username-password-port): `cannotHaveAUsernamePasswordPort(urlRecord)`
+- [Percent decode bytes](https://url.spec.whatwg.org/#percent-decode): `percentDecodeBytes(uint8Array)`
+- [Percent decode a string](https://url.spec.whatwg.org/#percent-decode-string): `percentDecodeString(string)`
+
+The `stateOverride` parameter is one of the following strings:
+
+- [`"scheme start"`](https://url.spec.whatwg.org/#scheme-start-state)
+- [`"scheme"`](https://url.spec.whatwg.org/#scheme-state)
+- [`"no scheme"`](https://url.spec.whatwg.org/#no-scheme-state)
+- [`"special relative or authority"`](https://url.spec.whatwg.org/#special-relative-or-authority-state)
+- [`"path or authority"`](https://url.spec.whatwg.org/#path-or-authority-state)
+- [`"relative"`](https://url.spec.whatwg.org/#relative-state)
+- [`"relative slash"`](https://url.spec.whatwg.org/#relative-slash-state)
+- [`"special authority slashes"`](https://url.spec.whatwg.org/#special-authority-slashes-state)
+- [`"special authority ignore slashes"`](https://url.spec.whatwg.org/#special-authority-ignore-slashes-state)
+- [`"authority"`](https://url.spec.whatwg.org/#authority-state)
+- [`"host"`](https://url.spec.whatwg.org/#host-state)
+- [`"hostname"`](https://url.spec.whatwg.org/#hostname-state)
+- [`"port"`](https://url.spec.whatwg.org/#port-state)
+- [`"file"`](https://url.spec.whatwg.org/#file-state)
+- [`"file slash"`](https://url.spec.whatwg.org/#file-slash-state)
+- [`"file host"`](https://url.spec.whatwg.org/#file-host-state)
+- [`"path start"`](https://url.spec.whatwg.org/#path-start-state)
+- [`"path"`](https://url.spec.whatwg.org/#path-state)
+- [`"opaque path"`](https://url.spec.whatwg.org/#cannot-be-a-base-url-path-state)
+- [`"query"`](https://url.spec.whatwg.org/#query-state)
+- [`"fragment"`](https://url.spec.whatwg.org/#fragment-state)
+
+The URL record type has the following API:
+
+- [`scheme`](https://url.spec.whatwg.org/#concept-url-scheme)
+- [`username`](https://url.spec.whatwg.org/#concept-url-username)
+- [`password`](https://url.spec.whatwg.org/#concept-url-password)
+- [`host`](https://url.spec.whatwg.org/#concept-url-host)
+- [`port`](https://url.spec.whatwg.org/#concept-url-port)
+- [`path`](https://url.spec.whatwg.org/#concept-url-path) (as an array of strings, or a string)
+- [`query`](https://url.spec.whatwg.org/#concept-url-query)
+- [`fragment`](https://url.spec.whatwg.org/#concept-url-fragment)
+
+These properties should be treated with care, as in general changing them will cause the URL record to be in an inconsistent state until the appropriate invocation of `basicURLParse` is used to fix it up. You can see examples of this in the URL Standard, where there are many step sequences like "4. Set context object’s url’s fragment to the empty string. 5. Basic URL parse _input_ with context object’s url as _url_ and fragment state as _state override_." In between those two steps, a URL record is in an unusable state.
+
+The return value of "failure" in the spec is represented by `null`. That is, functions like `parseURL` and `basicURLParse` can return _either_ a URL record _or_ `null`.
+
+### `whatwg-url/webidl2js-wrapper` module
+
+This module exports the `URL` and `URLSearchParams` [interface wrappers API](https://github.com/jsdom/webidl2js#for-interfaces) generated by [webidl2js](https://github.com/jsdom/webidl2js).
+
+## Development instructions
+
+First, install [Node.js](https://nodejs.org/). Then, fetch the dependencies of whatwg-url, by running from this directory:
+
+    npm install
+
+To run tests:
+
+    npm test
+
+To generate a coverage report:
+
+    npm run coverage
+
+To build and run the live viewer:
+
+    npm run prepare
+    npm run build-live-viewer
+
+Serve the contents of the `live-viewer` directory using any web server.
+
+## Supporting whatwg-url
+
+The jsdom project (including whatwg-url) is a community-driven project maintained by a team of [volunteers](https://github.com/orgs/jsdom/people). You could support us by:
+
+- [Getting professional support for whatwg-url](https://tidelift.com/subscription/pkg/npm-whatwg-url?utm_source=npm-whatwg-url&utm_medium=referral&utm_campaign=readme) as part of a Tidelift subscription. Tidelift helps making open source sustainable for us while giving teams assurances for maintenance, licensing, and security.
+- Contributing directly to the project.
diff --git a/node_modules/whatwg-url/index.js b/node_modules/whatwg-url/index.js
new file mode 100644
index 000000000..c470e48e4
--- /dev/null
+++ b/node_modules/whatwg-url/index.js
@@ -0,0 +1,27 @@
+"use strict";
+
+const { URL, URLSearchParams } = require("./webidl2js-wrapper");
+const urlStateMachine = require("./lib/url-state-machine");
+const percentEncoding = require("./lib/percent-encoding");
+
+const sharedGlobalObject = { Array, Object, Promise, String, TypeError };
+URL.install(sharedGlobalObject, ["Window"]);
+URLSearchParams.install(sharedGlobalObject, ["Window"]);
+
+exports.URL = sharedGlobalObject.URL;
+exports.URLSearchParams = sharedGlobalObject.URLSearchParams;
+
+exports.parseURL = urlStateMachine.parseURL;
+exports.basicURLParse = urlStateMachine.basicURLParse;
+exports.serializeURL = urlStateMachine.serializeURL;
+exports.serializePath = urlStateMachine.serializePath;
+exports.serializeHost = urlStateMachine.serializeHost;
+exports.serializeInteger = urlStateMachine.serializeInteger;
+exports.serializeURLOrigin = urlStateMachine.serializeURLOrigin;
+exports.setTheUsername = urlStateMachine.setTheUsername;
+exports.setThePassword = urlStateMachine.setThePassword;
+exports.cannotHaveAUsernamePasswordPort = urlStateMachine.cannotHaveAUsernamePasswordPort;
+exports.hasAnOpaquePath = urlStateMachine.hasAnOpaquePath;
+
+exports.percentDecodeString = percentEncoding.percentDecodeString;
+exports.percentDecodeBytes = percentEncoding.percentDecodeBytes;
diff --git a/node_modules/whatwg-url/lib/Function.js b/node_modules/whatwg-url/lib/Function.js
new file mode 100644
index 000000000..ea8712fd7
--- /dev/null
+++ b/node_modules/whatwg-url/lib/Function.js
@@ -0,0 +1,42 @@
+"use strict";
+
+const conversions = require("webidl-conversions");
+const utils = require("./utils.js");
+
+exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
+  if (typeof value !== "function") {
+    throw new globalObject.TypeError(context + " is not a function");
+  }
+
+  function invokeTheCallbackFunction(...args) {
+    const thisArg = utils.tryWrapperForImpl(this);
+    let callResult;
+
+    for (let i = 0; i < args.length; i++) {
+      args[i] = utils.tryWrapperForImpl(args[i]);
+    }
+
+    callResult = Reflect.apply(value, thisArg, args);
+
+    callResult = conversions["any"](callResult, { context: context, globals: globalObject });
+
+    return callResult;
+  }
+
+  invokeTheCallbackFunction.construct = (...args) => {
+    for (let i = 0; i < args.length; i++) {
+      args[i] = utils.tryWrapperForImpl(args[i]);
+    }
+
+    let callResult = Reflect.construct(value, args);
+
+    callResult = conversions["any"](callResult, { context: context, globals: globalObject });
+
+    return callResult;
+  };
+
+  invokeTheCallbackFunction[utils.wrapperSymbol] = value;
+  invokeTheCallbackFunction.objectReference = value;
+
+  return invokeTheCallbackFunction;
+};
diff --git a/node_modules/whatwg-url/lib/URL-impl.js b/node_modules/whatwg-url/lib/URL-impl.js
new file mode 100644
index 000000000..db3a0aea0
--- /dev/null
+++ b/node_modules/whatwg-url/lib/URL-impl.js
@@ -0,0 +1,209 @@
+"use strict";
+const usm = require("./url-state-machine");
+const urlencoded = require("./urlencoded");
+const URLSearchParams = require("./URLSearchParams");
+
+exports.implementation = class URLImpl {
+  constructor(globalObject, constructorArgs) {
+    const url = constructorArgs[0];
+    const base = constructorArgs[1];
+
+    let parsedBase = null;
+    if (base !== undefined) {
+      parsedBase = usm.basicURLParse(base);
+      if (parsedBase === null) {
+        throw new TypeError(`Invalid base URL: ${base}`);
+      }
+    }
+
+    const parsedURL = usm.basicURLParse(url, { baseURL: parsedBase });
+    if (parsedURL === null) {
+      throw new TypeError(`Invalid URL: ${url}`);
+    }
+
+    const query = parsedURL.query !== null ? parsedURL.query : "";
+
+    this._url = parsedURL;
+
+    // We cannot invoke the "new URLSearchParams object" algorithm without going through the constructor, which strips
+    // question mark by default. Therefore the doNotStripQMark hack is used.
+    this._query = URLSearchParams.createImpl(globalObject, [query], { doNotStripQMark: true });
+    this._query._url = this;
+  }
+
+  get href() {
+    return usm.serializeURL(this._url);
+  }
+
+  set href(v) {
+    const parsedURL = usm.basicURLParse(v);
+    if (parsedURL === null) {
+      throw new TypeError(`Invalid URL: ${v}`);
+    }
+
+    this._url = parsedURL;
+
+    this._query._list.splice(0);
+    const { query } = parsedURL;
+    if (query !== null) {
+      this._query._list = urlencoded.parseUrlencodedString(query);
+    }
+  }
+
+  get origin() {
+    return usm.serializeURLOrigin(this._url);
+  }
+
+  get protocol() {
+    return `${this._url.scheme}:`;
+  }
+
+  set protocol(v) {
+    usm.basicURLParse(`${v}:`, { url: this._url, stateOverride: "scheme start" });
+  }
+
+  get username() {
+    return this._url.username;
+  }
+
+  set username(v) {
+    if (usm.cannotHaveAUsernamePasswordPort(this._url)) {
+      return;
+    }
+
+    usm.setTheUsername(this._url, v);
+  }
+
+  get password() {
+    return this._url.password;
+  }
+
+  set password(v) {
+    if (usm.cannotHaveAUsernamePasswordPort(this._url)) {
+      return;
+    }
+
+    usm.setThePassword(this._url, v);
+  }
+
+  get host() {
+    const url = this._url;
+
+    if (url.host === null) {
+      return "";
+    }
+
+    if (url.port === null) {
+      return usm.serializeHost(url.host);
+    }
+
+    return `${usm.serializeHost(url.host)}:${usm.serializeInteger(url.port)}`;
+  }
+
+  set host(v) {
+    if (usm.hasAnOpaquePath(this._url)) {
+      return;
+    }
+
+    usm.basicURLParse(v, { url: this._url, stateOverride: "host" });
+  }
+
+  get hostname() {
+    if (this._url.host === null) {
+      return "";
+    }
+
+    return usm.serializeHost(this._url.host);
+  }
+
+  set hostname(v) {
+    if (usm.hasAnOpaquePath(this._url)) {
+      return;
+    }
+
+    usm.basicURLParse(v, { url: this._url, stateOverride: "hostname" });
+  }
+
+  get port() {
+    if (this._url.port === null) {
+      return "";
+    }
+
+    return usm.serializeInteger(this._url.port);
+  }
+
+  set port(v) {
+    if (usm.cannotHaveAUsernamePasswordPort(this._url)) {
+      return;
+    }
+
+    if (v === "") {
+      this._url.port = null;
+    } else {
+      usm.basicURLParse(v, { url: this._url, stateOverride: "port" });
+    }
+  }
+
+  get pathname() {
+    return usm.serializePath(this._url);
+  }
+
+  set pathname(v) {
+    if (usm.hasAnOpaquePath(this._url)) {
+      return;
+    }
+
+    this._url.path = [];
+    usm.basicURLParse(v, { url: this._url, stateOverride: "path start" });
+  }
+
+  get search() {
+    if (this._url.query === null || this._url.query === "") {
+      return "";
+    }
+
+    return `?${this._url.query}`;
+  }
+
+  set search(v) {
+    const url = this._url;
+
+    if (v === "") {
+      url.query = null;
+      this._query._list = [];
+      return;
+    }
+
+    const input = v[0] === "?" ? v.substring(1) : v;
+    url.query = "";
+    usm.basicURLParse(input, { url, stateOverride: "query" });
+    this._query._list = urlencoded.parseUrlencodedString(input);
+  }
+
+  get searchParams() {
+    return this._query;
+  }
+
+  get hash() {
+    if (this._url.fragment === null || this._url.fragment === "") {
+      return "";
+    }
+
+    return `#${this._url.fragment}`;
+  }
+
+  set hash(v) {
+    if (v === "") {
+      this._url.fragment = null;
+      return;
+    }
+
+    const input = v[0] === "#" ? v.substring(1) : v;
+    this._url.fragment = "";
+    usm.basicURLParse(input, { url: this._url, stateOverride: "fragment" });
+  }
+
+  toJSON() {
+    return this.href;
+  }
+};
diff --git a/node_modules/whatwg-url/lib/URL.js b/node_modules/whatwg-url/lib/URL.js
new file mode 100644
index 000000000..d62ac3e76
--- /dev/null
+++ b/node_modules/whatwg-url/lib/URL.js
@@ -0,0 +1,442 @@
+"use strict";
+
+const conversions = require("webidl-conversions");
+const utils = require("./utils.js");
+
+const implSymbol = utils.implSymbol;
+const ctorRegistrySymbol = utils.ctorRegistrySymbol;
+
+const interfaceName = "URL";
+
+exports.is = value => {
+  return utils.isObject(value) && utils.hasOwn(value, implSymbol) && value[implSymbol] instanceof Impl.implementation;
+};
+exports.isImpl = value => {
+  return utils.isObject(value) && value instanceof Impl.implementation;
+};
+exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
+  if (exports.is(value)) {
+    return utils.implForWrapper(value);
+  }
+  throw new globalObject.TypeError(`${context} is not of type 'URL'.`);
+};
+
+function makeWrapper(globalObject, newTarget) {
+  let proto;
+  if (newTarget !== undefined) {
+    proto = newTarget.prototype;
+  }
+
+  if (!utils.isObject(proto)) {
+    proto = globalObject[ctorRegistrySymbol]["URL"].prototype;
+  }
+
+  return Object.create(proto);
+}
+
+exports.create = (globalObject, constructorArgs, privateData) => {
+  const wrapper = makeWrapper(globalObject);
+  return exports.setup(wrapper, globalObject, constructorArgs, privateData);
+};
+
+exports.createImpl = (globalObject, constructorArgs, privateData) => {
+  const wrapper = exports.create(globalObject, constructorArgs, privateData);
+  return utils.implForWrapper(wrapper);
+};
+
+exports._internalSetup = (wrapper, globalObject) => {};
+
+exports.setup = (wrapper, globalObject, constructorArgs = [], privateData = {}) => {
+  privateData.wrapper = wrapper;
+
+  exports._internalSetup(wrapper, globalObject);
+  Object.defineProperty(wrapper, implSymbol, {
+    value: new Impl.implementation(globalObject, constructorArgs, privateData),
+    configurable: true
+  });
+
+  wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
+  if (Impl.init) {
+    Impl.init(wrapper[implSymbol]);
+  }
+  return wrapper;
+};
+
+exports.new = (globalObject, newTarget) => {
+  const wrapper = makeWrapper(globalObject, newTarget);
+
+  exports._internalSetup(wrapper, globalObject);
+  Object.defineProperty(wrapper, implSymbol, {
+    value: Object.create(Impl.implementation.prototype),
+    configurable: true
+  });
+
+  wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
+  if (Impl.init) {
+    Impl.init(wrapper[implSymbol]);
+  }
+  return wrapper[implSymbol];
+};
+
+const exposed = new Set(["Window", "Worker"]);
+
+exports.install = (globalObject, globalNames) => {
+  if (!globalNames.some(globalName => exposed.has(globalName))) {
+    return;
+  }
+
+  const ctorRegistry = utils.initCtorRegistry(globalObject);
+  class URL {
+    constructor(url) {
+      if (arguments.length < 1) {
+        throw new globalObject.TypeError(
+          `Failed to construct 'URL': 1 argument required, but only ${arguments.length} present.`
+        );
+      }
+      const args = [];
+      {
+        let curArg = arguments[0];
+        curArg = conversions["USVString"](curArg, {
+          context: "Failed to construct 'URL': parameter 1",
+          globals: globalObject
+        });
+        args.push(curArg);
+      }
+      {
+        let curArg = arguments[1];
+        if (curArg !== undefined) {
+          curArg = conversions["USVString"](curArg, {
+            context: "Failed to construct 'URL': parameter 2",
+            globals: globalObject
+          });
+        }
+        args.push(curArg);
+      }
+      return exports.setup(Object.create(new.target.prototype), globalObject, args);
+    }
+
+    toJSON() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'toJSON' called on an object that is not a valid instance of URL.");
+      }
+
+      return esValue[implSymbol].toJSON();
+    }
+
+    get href() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'get href' called on an object that is not a valid instance of URL.");
+      }
+
+      return esValue[implSymbol]["href"];
+    }
+
+    set href(V) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'set href' called on an object that is not a valid instance of URL.");
+      }
+
+      V = conversions["USVString"](V, {
+        context: "Failed to set the 'href' property on 'URL': The provided value",
+        globals: globalObject
+      });
+
+      esValue[implSymbol]["href"] = V;
+    }
+
+    toString() {
+      const esValue = this;
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'toString' called on an object that is not a valid instance of URL.");
+      }
+
+      return esValue[implSymbol]["href"];
+    }
+
+    get origin() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'get origin' called on an object that is not a valid instance of URL.");
+      }
+
+      return esValue[implSymbol]["origin"];
+    }
+
+    get protocol() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'get protocol' called on an object that is not a valid instance of URL.");
+      }
+
+      return esValue[implSymbol]["protocol"];
+    }
+
+    set protocol(V) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'set protocol' called on an object that is not a valid instance of URL.");
+      }
+
+      V = conversions["USVString"](V, {
+        context: "Failed to set the 'protocol' property on 'URL': The provided value",
+        globals: globalObject
+      });
+
+      esValue[implSymbol]["protocol"] = V;
+    }
+
+    get username() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'get username' called on an object that is not a valid instance of URL.");
+      }
+
+      return esValue[implSymbol]["username"];
+    }
+
+    set username(V) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'set username' called on an object that is not a valid instance of URL.");
+      }
+
+      V = conversions["USVString"](V, {
+        context: "Failed to set the 'username' property on 'URL': The provided value",
+        globals: globalObject
+      });
+
+      esValue[implSymbol]["username"] = V;
+    }
+
+    get password() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'get password' called on an object that is not a valid instance of URL.");
+      }
+
+      return esValue[implSymbol]["password"];
+    }
+
+    set password(V) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'set password' called on an object that is not a valid instance of URL.");
+      }
+
+      V = conversions["USVString"](V, {
+        context: "Failed to set the 'password' property on 'URL': The provided value",
+        globals: globalObject
+      });
+
+      esValue[implSymbol]["password"] = V;
+    }
+
+    get host() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'get host' called on an object that is not a valid instance of URL.");
+      }
+
+      return esValue[implSymbol]["host"];
+    }
+
+    set host(V) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'set host' called on an object that is not a valid instance of URL.");
+      }
+
+      V = conversions["USVString"](V, {
+        context: "Failed to set the 'host' property on 'URL': The provided value",
+        globals: globalObject
+      });
+
+      esValue[implSymbol]["host"] = V;
+    }
+
+    get hostname() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'get hostname' called on an object that is not a valid instance of URL.");
+      }
+
+      return esValue[implSymbol]["hostname"];
+    }
+
+    set hostname(V) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'set hostname' called on an object that is not a valid instance of URL.");
+      }
+
+      V = conversions["USVString"](V, {
+        context: "Failed to set the 'hostname' property on 'URL': The provided value",
+        globals: globalObject
+      });
+
+      esValue[implSymbol]["hostname"] = V;
+    }
+
+    get port() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'get port' called on an object that is not a valid instance of URL.");
+      }
+
+      return esValue[implSymbol]["port"];
+    }
+
+    set port(V) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'set port' called on an object that is not a valid instance of URL.");
+      }
+
+      V = conversions["USVString"](V, {
+        context: "Failed to set the 'port' property on 'URL': The provided value",
+        globals: globalObject
+      });
+
+      esValue[implSymbol]["port"] = V;
+    }
+
+    get pathname() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'get pathname' called on an object that is not a valid instance of URL.");
+      }
+
+      return esValue[implSymbol]["pathname"];
+    }
+
+    set pathname(V) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'set pathname' called on an object that is not a valid instance of URL.");
+      }
+
+      V = conversions["USVString"](V, {
+        context: "Failed to set the 'pathname' property on 'URL': The provided value",
+        globals: globalObject
+      });
+
+      esValue[implSymbol]["pathname"] = V;
+    }
+
+    get search() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'get search' called on an object that is not a valid instance of URL.");
+      }
+
+      return esValue[implSymbol]["search"];
+    }
+
+    set search(V) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'set search' called on an object that is not a valid instance of URL.");
+      }
+
+      V = conversions["USVString"](V, {
+        context: "Failed to set the 'search' property on 'URL': The provided value",
+        globals: globalObject
+      });
+
+      esValue[implSymbol]["search"] = V;
+    }
+
+    get searchParams() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'get searchParams' called on an object that is not a valid instance of URL.");
+      }
+
+      return utils.getSameObject(this, "searchParams", () => {
+        return utils.tryWrapperForImpl(esValue[implSymbol]["searchParams"]);
+      });
+    }
+
+    get hash() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'get hash' called on an object that is not a valid instance of URL.");
+      }
+
+      return esValue[implSymbol]["hash"];
+    }
+
+    set hash(V) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'set hash' called on an object that is not a valid instance of URL.");
+      }
+
+      V = conversions["USVString"](V, {
+        context: "Failed to set the 'hash' property on 'URL': The provided value",
+        globals: globalObject
+      });
+
+      esValue[implSymbol]["hash"] = V;
+    }
+  }
+  Object.defineProperties(URL.prototype, {
+    toJSON: { enumerable: true },
+    href: { enumerable: true },
+    toString: { enumerable: true },
+    origin: { enumerable: true },
+    protocol: { enumerable: true },
+    username: { enumerable: true },
+    password: { enumerable: true },
+    host: { enumerable: true },
+    hostname: { enumerable: true },
+    port: { enumerable: true },
+    pathname: { enumerable: true },
+    search: { enumerable: true },
+    searchParams: { enumerable: true },
+    hash: { enumerable: true },
+    [Symbol.toStringTag]: { value: "URL", configurable: true }
+  });
+  ctorRegistry[interfaceName] = URL;
+
+  Object.defineProperty(globalObject, interfaceName, {
+    configurable: true,
+    writable: true,
+    value: URL
+  });
+
+  if (globalNames.includes("Window")) {
+    Object.defineProperty(globalObject, "webkitURL", {
+      configurable: true,
+      writable: true,
+      value: URL
+    });
+  }
+};
+
+const Impl = require("./URL-impl.js");
diff --git a/node_modules/whatwg-url/lib/URLSearchParams-impl.js b/node_modules/whatwg-url/lib/URLSearchParams-impl.js
new file mode 100644
index 000000000..ef8d604ed
--- /dev/null
+++ b/node_modules/whatwg-url/lib/URLSearchParams-impl.js
@@ -0,0 +1,130 @@
+"use strict";
+const urlencoded = require("./urlencoded");
+
+exports.implementation = class URLSearchParamsImpl {
+  constructor(globalObject, constructorArgs, { doNotStripQMark = false }) {
+    let init = constructorArgs[0];
+    this._list = [];
+    this._url = null;
+
+    if (!doNotStripQMark && typeof init === "string" && init[0] === "?") {
+      init = init.slice(1);
+    }
+
+    if (Array.isArray(init)) {
+      for (const pair of init) {
+        if (pair.length !== 2) {
+          throw new TypeError("Failed to construct 'URLSearchParams': parameter 1 sequence's element does not " +
+                              "contain exactly two elements.");
+        }
+        this._list.push([pair[0], pair[1]]);
+      }
+    } else if (typeof init === "object" && Object.getPrototypeOf(init) === null) {
+      for (const name of Object.keys(init)) {
+        const value = init[name];
+        this._list.push([name, value]);
+      }
+    } else {
+      this._list = urlencoded.parseUrlencodedString(init);
+    }
+  }
+
+  _updateSteps() {
+    if (this._url !== null) {
+      let query = urlencoded.serializeUrlencoded(this._list);
+      if (query === "") {
+        query = null;
+      }
+      this._url._url.query = query;
+    }
+  }
+
+  append(name, value) {
+    this._list.push([name, value]);
+    this._updateSteps();
+  }
+
+  delete(name) {
+    let i = 0;
+    while (i < this._list.length) {
+      if (this._list[i][0] === name) {
+        this._list.splice(i, 1);
+      } else {
+        i++;
+      }
+    }
+    this._updateSteps();
+  }
+
+  get(name) {
+    for (const tuple of this._list) {
+      if (tuple[0] === name) {
+        return tuple[1];
+      }
+    }
+    return null;
+  }
+
+  getAll(name) {
+    const output = [];
+    for (const tuple of this._list) {
+      if (tuple[0] === name) {
+        output.push(tuple[1]);
+      }
+    }
+    return output;
+  }
+
+  has(name) {
+    for (const tuple of this._list) {
+      if (tuple[0] === name) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  set(name, value) {
+    let found = false;
+    let i = 0;
+    while (i < this._list.length) {
+      if (this._list[i][0] === name) {
+        if (found) {
+          this._list.splice(i, 1);
+        } else {
+          found = true;
+          this._list[i][1] = value;
+          i++;
+        }
+      } else {
+        i++;
+      }
+    }
+    if (!found) {
+      this._list.push([name, value]);
+    }
+    this._updateSteps();
+  }
+
+  sort() {
+    this._list.sort((a, b) => {
+      if (a[0] < b[0]) {
+        return -1;
+      }
+      if (a[0] > b[0]) {
+        return 1;
+      }
+      return 0;
+    });
+
+    this._updateSteps();
+  }
+
+  [Symbol.iterator]() {
+    return this._list[Symbol.iterator]();
+  }
+
+  toString() {
+    return urlencoded.serializeUrlencoded(this._list);
+  }
+};
diff --git a/node_modules/whatwg-url/lib/URLSearchParams.js b/node_modules/whatwg-url/lib/URLSearchParams.js
new file mode 100644
index 000000000..a7c24eff8
--- /dev/null
+++ b/node_modules/whatwg-url/lib/URLSearchParams.js
@@ -0,0 +1,472 @@
+"use strict";
+
+const conversions = require("webidl-conversions");
+const utils = require("./utils.js");
+
+const Function = require("./Function.js");
+const newObjectInRealm = utils.newObjectInRealm;
+const implSymbol = utils.implSymbol;
+const ctorRegistrySymbol = utils.ctorRegistrySymbol;
+
+const interfaceName = "URLSearchParams";
+
+exports.is = value => {
+  return utils.isObject(value) && utils.hasOwn(value, implSymbol) && value[implSymbol] instanceof Impl.implementation;
+};
+exports.isImpl = value => {
+  return utils.isObject(value) && value instanceof Impl.implementation;
+};
+exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
+  if (exports.is(value)) {
+    return utils.implForWrapper(value);
+  }
+  throw new globalObject.TypeError(`${context} is not of type 'URLSearchParams'.`);
+};
+
+exports.createDefaultIterator = (globalObject, target, kind) => {
+  const ctorRegistry = globalObject[ctorRegistrySymbol];
+  const iteratorPrototype = ctorRegistry["URLSearchParams Iterator"];
+  const iterator = Object.create(iteratorPrototype);
+  Object.defineProperty(iterator, utils.iterInternalSymbol, {
+    value: { target, kind, index: 0 },
+    configurable: true
+  });
+  return iterator;
+};
+
+function makeWrapper(globalObject, newTarget) {
+  let proto;
+  if (newTarget !== undefined) {
+    proto = newTarget.prototype;
+  }
+
+  if (!utils.isObject(proto)) {
+    proto = globalObject[ctorRegistrySymbol]["URLSearchParams"].prototype;
+  }
+
+  return Object.create(proto);
+}
+
+exports.create = (globalObject, constructorArgs, privateData) => {
+  const wrapper = makeWrapper(globalObject);
+  return exports.setup(wrapper, globalObject, constructorArgs, privateData);
+};
+
+exports.createImpl = (globalObject, constructorArgs, privateData) => {
+  const wrapper = exports.create(globalObject, constructorArgs, privateData);
+  return utils.implForWrapper(wrapper);
+};
+
+exports._internalSetup = (wrapper, globalObject) => {};
+
+exports.setup = (wrapper, globalObject, constructorArgs = [], privateData = {}) => {
+  privateData.wrapper = wrapper;
+
+  exports._internalSetup(wrapper, globalObject);
+  Object.defineProperty(wrapper, implSymbol, {
+    value: new Impl.implementation(globalObject, constructorArgs, privateData),
+    configurable: true
+  });
+
+  wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
+  if (Impl.init) {
+    Impl.init(wrapper[implSymbol]);
+  }
+  return wrapper;
+};
+
+exports.new = (globalObject, newTarget) => {
+  const wrapper = makeWrapper(globalObject, newTarget);
+
+  exports._internalSetup(wrapper, globalObject);
+  Object.defineProperty(wrapper, implSymbol, {
+    value: Object.create(Impl.implementation.prototype),
+    configurable: true
+  });
+
+  wrapper[implSymbol][utils.wrapperSymbol] = wrapper;
+  if (Impl.init) {
+    Impl.init(wrapper[implSymbol]);
+  }
+  return wrapper[implSymbol];
+};
+
+const exposed = new Set(["Window", "Worker"]);
+
+exports.install = (globalObject, globalNames) => {
+  if (!globalNames.some(globalName => exposed.has(globalName))) {
+    return;
+  }
+
+  const ctorRegistry = utils.initCtorRegistry(globalObject);
+  class URLSearchParams {
+    constructor() {
+      const args = [];
+      {
+        let curArg = arguments[0];
+        if (curArg !== undefined) {
+          if (utils.isObject(curArg)) {
+            if (curArg[Symbol.iterator] !== undefined) {
+              if (!utils.isObject(curArg)) {
+                throw new globalObject.TypeError(
+                  "Failed to construct 'URLSearchParams': parameter 1" + " sequence" + " is not an iterable object."
+                );
+              } else {
+                const V = [];
+                const tmp = curArg;
+                for (let nextItem of tmp) {
+                  if (!utils.isObject(nextItem)) {
+                    throw new globalObject.TypeError(
+                      "Failed to construct 'URLSearchParams': parameter 1" +
+                        " sequence" +
+                        "'s element" +
+                        " is not an iterable object."
+                    );
+                  } else {
+                    const V = [];
+                    const tmp = nextItem;
+                    for (let nextItem of tmp) {
+                      nextItem = conversions["USVString"](nextItem, {
+                        context:
+                          "Failed to construct 'URLSearchParams': parameter 1" +
+                          " sequence" +
+                          "'s element" +
+                          "'s element",
+                        globals: globalObject
+                      });
+
+                      V.push(nextItem);
+                    }
+                    nextItem = V;
+                  }
+
+                  V.push(nextItem);
+                }
+                curArg = V;
+              }
+            } else {
+              if (!utils.isObject(curArg)) {
+                throw new globalObject.TypeError(
+                  "Failed to construct 'URLSearchParams': parameter 1" + " record" + " is not an object."
+                );
+              } else {
+                const result = Object.create(null);
+                for (const key of Reflect.ownKeys(curArg)) {
+                  const desc = Object.getOwnPropertyDescriptor(curArg, key);
+                  if (desc && desc.enumerable) {
+                    let typedKey = key;
+
+                    typedKey = conversions["USVString"](typedKey, {
+                      context: "Failed to construct 'URLSearchParams': parameter 1" + " record" + "'s key",
+                      globals: globalObject
+                    });
+
+                    let typedValue = curArg[key];
+
+                    typedValue = conversions["USVString"](typedValue, {
+                      context: "Failed to construct 'URLSearchParams': parameter 1" + " record" + "'s value",
+                      globals: globalObject
+                    });
+
+                    result[typedKey] = typedValue;
+                  }
+                }
+                curArg = result;
+              }
+            }
+          } else {
+            curArg = conversions["USVString"](curArg, {
+              context: "Failed to construct 'URLSearchParams': parameter 1",
+              globals: globalObject
+            });
+          }
+        } else {
+          curArg = "";
+        }
+        args.push(curArg);
+      }
+      return exports.setup(Object.create(new.target.prototype), globalObject, args);
+    }
+
+    append(name, value) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError(
+          "'append' called on an object that is not a valid instance of URLSearchParams."
+        );
+      }
+
+      if (arguments.length < 2) {
+        throw new globalObject.TypeError(
+          `Failed to execute 'append' on 'URLSearchParams': 2 arguments required, but only ${arguments.length} present.`
+        );
+      }
+      const args = [];
+      {
+        let curArg = arguments[0];
+        curArg = conversions["USVString"](curArg, {
+          context: "Failed to execute 'append' on 'URLSearchParams': parameter 1",
+          globals: globalObject
+        });
+        args.push(curArg);
+      }
+      {
+        let curArg = arguments[1];
+        curArg = conversions["USVString"](curArg, {
+          context: "Failed to execute 'append' on 'URLSearchParams': parameter 2",
+          globals: globalObject
+        });
+        args.push(curArg);
+      }
+      return utils.tryWrapperForImpl(esValue[implSymbol].append(...args));
+    }
+
+    delete(name) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError(
+          "'delete' called on an object that is not a valid instance of URLSearchParams."
+        );
+      }
+
+      if (arguments.length < 1) {
+        throw new globalObject.TypeError(
+          `Failed to execute 'delete' on 'URLSearchParams': 1 argument required, but only ${arguments.length} present.`
+        );
+      }
+      const args = [];
+      {
+        let curArg = arguments[0];
+        curArg = conversions["USVString"](curArg, {
+          context: "Failed to execute 'delete' on 'URLSearchParams': parameter 1",
+          globals: globalObject
+        });
+        args.push(curArg);
+      }
+      return utils.tryWrapperForImpl(esValue[implSymbol].delete(...args));
+    }
+
+    get(name) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'get' called on an object that is not a valid instance of URLSearchParams.");
+      }
+
+      if (arguments.length < 1) {
+        throw new globalObject.TypeError(
+          `Failed to execute 'get' on 'URLSearchParams': 1 argument required, but only ${arguments.length} present.`
+        );
+      }
+      const args = [];
+      {
+        let curArg = arguments[0];
+        curArg = conversions["USVString"](curArg, {
+          context: "Failed to execute 'get' on 'URLSearchParams': parameter 1",
+          globals: globalObject
+        });
+        args.push(curArg);
+      }
+      return esValue[implSymbol].get(...args);
+    }
+
+    getAll(name) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError(
+          "'getAll' called on an object that is not a valid instance of URLSearchParams."
+        );
+      }
+
+      if (arguments.length < 1) {
+        throw new globalObject.TypeError(
+          `Failed to execute 'getAll' on 'URLSearchParams': 1 argument required, but only ${arguments.length} present.`
+        );
+      }
+      const args = [];
+      {
+        let curArg = arguments[0];
+        curArg = conversions["USVString"](curArg, {
+          context: "Failed to execute 'getAll' on 'URLSearchParams': parameter 1",
+          globals: globalObject
+        });
+        args.push(curArg);
+      }
+      return utils.tryWrapperForImpl(esValue[implSymbol].getAll(...args));
+    }
+
+    has(name) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'has' called on an object that is not a valid instance of URLSearchParams.");
+      }
+
+      if (arguments.length < 1) {
+        throw new globalObject.TypeError(
+          `Failed to execute 'has' on 'URLSearchParams': 1 argument required, but only ${arguments.length} present.`
+        );
+      }
+      const args = [];
+      {
+        let curArg = arguments[0];
+        curArg = conversions["USVString"](curArg, {
+          context: "Failed to execute 'has' on 'URLSearchParams': parameter 1",
+          globals: globalObject
+        });
+        args.push(curArg);
+      }
+      return esValue[implSymbol].has(...args);
+    }
+
+    set(name, value) {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'set' called on an object that is not a valid instance of URLSearchParams.");
+      }
+
+      if (arguments.length < 2) {
+        throw new globalObject.TypeError(
+          `Failed to execute 'set' on 'URLSearchParams': 2 arguments required, but only ${arguments.length} present.`
+        );
+      }
+      const args = [];
+      {
+        let curArg = arguments[0];
+        curArg = conversions["USVString"](curArg, {
+          context: "Failed to execute 'set' on 'URLSearchParams': parameter 1",
+          globals: globalObject
+        });
+        args.push(curArg);
+      }
+      {
+        let curArg = arguments[1];
+        curArg = conversions["USVString"](curArg, {
+          context: "Failed to execute 'set' on 'URLSearchParams': parameter 2",
+          globals: globalObject
+        });
+        args.push(curArg);
+      }
+      return utils.tryWrapperForImpl(esValue[implSymbol].set(...args));
+    }
+
+    sort() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError("'sort' called on an object that is not a valid instance of URLSearchParams.");
+      }
+
+      return utils.tryWrapperForImpl(esValue[implSymbol].sort());
+    }
+
+    toString() {
+      const esValue = this !== null && this !== undefined ? this : globalObject;
+      if (!exports.is(esValue)) {
+        throw new globalObject.TypeError(
+          "'toString' called on an object that is not a valid instance of URLSearchParams."
+        );
+      }
+
+      return esValue[implSymbol].toString();
+    }
+
+    keys() {
+      if (!exports.is(this)) {
+        throw new globalObject.TypeError("'keys' called on an object that is not a valid instance of URLSearchParams.");
+      }
+      return exports.createDefaultIterator(globalObject, this, "key");
+    }
+
+    values() {
+      if (!exports.is(this)) {
+        throw new globalObject.TypeError(
+          "'values' called on an object that is not a valid instance of URLSearchParams."
+        );
+      }
+      return exports.createDefaultIterator(globalObject, this, "value");
+    }
+
+    entries() {
+      if (!exports.is(this)) {
+        throw new globalObject.TypeError(
+          "'entries' called on an object that is not a valid instance of URLSearchParams."
+        );
+      }
+      return exports.createDefaultIterator(globalObject, this, "key+value");
+    }
+
+    forEach(callback) {
+      if (!exports.is(this)) {
+        throw new globalObject.TypeError(
+          "'forEach' called on an object that is not a valid instance of URLSearchParams."
+        );
+      }
+      if (arguments.length < 1) {
+        throw new globalObject.TypeError(
+          "Failed to execute 'forEach' on 'iterable': 1 argument required, but only 0 present."
+        );
+      }
+      callback = Function.convert(globalObject, callback, {
+        context: "Failed to execute 'forEach' on 'iterable': The callback provided as parameter 1"
+      });
+      const thisArg = arguments[1];
+      let pairs = Array.from(this[implSymbol]);
+      let i = 0;
+      while (i < pairs.length) {
+        const [key, value] = pairs[i].map(utils.tryWrapperForImpl);
+        callback.call(thisArg, value, key, this);
+        pairs = Array.from(this[implSymbol]);
+        i++;
+      }
+    }
+  }
+  Object.defineProperties(URLSearchParams.prototype, {
+    append: { enumerable: true },
+    delete: { enumerable: true },
+    get: { enumerable: true },
+    getAll: { enumerable: true },
+    has: { enumerable: true },
+    set: { enumerable: true },
+    sort: { enumerable: true },
+    toString: { enumerable: true },
+    keys: { enumerable: true },
+    values: { enumerable: true },
+    entries: { enumerable: true },
+    forEach: { enumerable: true },
+    [Symbol.toStringTag]: { value: "URLSearchParams", configurable: true },
+    [Symbol.iterator]: { value: URLSearchParams.prototype.entries, configurable: true, writable: true }
+  });
+  ctorRegistry[interfaceName] = URLSearchParams;
+
+  ctorRegistry["URLSearchParams Iterator"] = Object.create(ctorRegistry["%IteratorPrototype%"], {
+    [Symbol.toStringTag]: {
+      configurable: true,
+      value: "URLSearchParams Iterator"
+    }
+  });
+  utils.define(ctorRegistry["URLSearchParams Iterator"], {
+    next() {
+      const internal = this && this[utils.iterInternalSymbol];
+      if (!internal) {
+        throw new globalObject.TypeError("next() called on a value that is not a URLSearchParams iterator object");
+      }
+
+      const { target, kind, index } = internal;
+      const values = Array.from(target[implSymbol]);
+      const len = values.length;
+      if (index >= len) {
+        return newObjectInRealm(globalObject, { value: undefined, done: true });
+      }
+
+      const pair = values[index];
+      internal.index = index + 1;
+      return newObjectInRealm(globalObject, utils.iteratorResult(pair.map(utils.tryWrapperForImpl), kind));
+    }
+  });
+
+  Object.defineProperty(globalObject, interfaceName, {
+    configurable: true,
+    writable: true,
+    value: URLSearchParams
+  });
+};
+
+const Impl = require("./URLSearchParams-impl.js");
diff --git a/node_modules/whatwg-url/lib/VoidFunction.js b/node_modules/whatwg-url/lib/VoidFunction.js
new file mode 100644
index 000000000..9a00672a7
--- /dev/null
+++ b/node_modules/whatwg-url/lib/VoidFunction.js
@@ -0,0 +1,26 @@
+"use strict";
+
+const conversions = require("webidl-conversions");
+const utils = require("./utils.js");
+
+exports.convert = (globalObject, value, { context = "The provided value" } = {}) => {
+  if (typeof value !== "function") {
+    throw new globalObject.TypeError(context + " is not a function");
+  }
+
+  function invokeTheCallbackFunction() {
+    const thisArg = utils.tryWrapperForImpl(this);
+    let callResult;
+
+    callResult = Reflect.apply(value, thisArg, []);
+  }
+
+  invokeTheCallbackFunction.construct = () => {
+    let callResult = Reflect.construct(value, []);
+  };
+
+  invokeTheCallbackFunction[utils.wrapperSymbol] = value;
+  invokeTheCallbackFunction.objectReference = value;
+
+  return invokeTheCallbackFunction;
+};
diff --git a/node_modules/whatwg-url/lib/encoding.js b/node_modules/whatwg-url/lib/encoding.js
new file mode 100644
index 000000000..cb66b8f10
--- /dev/null
+++ b/node_modules/whatwg-url/lib/encoding.js
@@ -0,0 +1,16 @@
+"use strict";
+const utf8Encoder = new TextEncoder();
+const utf8Decoder = new TextDecoder("utf-8", { ignoreBOM: true });
+
+function utf8Encode(string) {
+  return utf8Encoder.encode(string);
+}
+
+function utf8DecodeWithoutBOM(bytes) {
+  return utf8Decoder.decode(bytes);
+}
+
+module.exports = {
+  utf8Encode,
+  utf8DecodeWithoutBOM
+};
diff --git a/node_modules/whatwg-url/lib/infra.js b/node_modules/whatwg-url/lib/infra.js
new file mode 100644
index 000000000..4a984a3b3
--- /dev/null
+++ b/node_modules/whatwg-url/lib/infra.js
@@ -0,0 +1,26 @@
+"use strict";
+
+// Note that we take code points as JS numbers, not JS strings.
+
+function isASCIIDigit(c) {
+  return c >= 0x30 && c <= 0x39;
+}
+
+function isASCIIAlpha(c) {
+  return (c >= 0x41 && c <= 0x5A) || (c >= 0x61 && c <= 0x7A);
+}
+
+function isASCIIAlphanumeric(c) {
+  return isASCIIAlpha(c) || isASCIIDigit(c);
+}
+
+function isASCIIHex(c) {
+  return isASCIIDigit(c) || (c >= 0x41 && c <= 0x46) || (c >= 0x61 && c <= 0x66);
+}
+
+module.exports = {
+  isASCIIDigit,
+  isASCIIAlpha,
+  isASCIIAlphanumeric,
+  isASCIIHex
+};
diff --git a/node_modules/whatwg-url/lib/percent-encoding.js b/node_modules/whatwg-url/lib/percent-encoding.js
new file mode 100644
index 000000000..f8308673c
--- /dev/null
+++ b/node_modules/whatwg-url/lib/percent-encoding.js
@@ -0,0 +1,142 @@
+"use strict";
+const { isASCIIHex } = require("./infra");
+const { utf8Encode } = require("./encoding");
+
+function p(char) {
+  return char.codePointAt(0);
+}
+
+// https://url.spec.whatwg.org/#percent-encode
+function percentEncode(c) {
+  let hex = c.toString(16).toUpperCase();
+  if (hex.length === 1) {
+    hex = `0${hex}`;
+  }
+
+  return `%${hex}`;
+}
+
+// https://url.spec.whatwg.org/#percent-decode
+function percentDecodeBytes(input) {
+  const output = new Uint8Array(input.byteLength);
+  let outputIndex = 0;
+  for (let i = 0; i < input.byteLength; ++i) {
+    const byte = input[i];
+    if (byte !== 0x25) {
+      output[outputIndex++] = byte;
+    } else if (byte === 0x25 && (!isASCIIHex(input[i + 1]) || !isASCIIHex(input[i + 2]))) {
+      output[outputIndex++] = byte;
+    } else {
+      const bytePoint = parseInt(String.fromCodePoint(input[i + 1], input[i + 2]), 16);
+      output[outputIndex++] = bytePoint;
+      i += 2;
+    }
+  }
+
+  return output.slice(0, outputIndex);
+}
+
+// https://url.spec.whatwg.org/#string-percent-decode
+function percentDecodeString(input) {
+  const bytes = utf8Encode(input);
+  return percentDecodeBytes(bytes);
+}
+
+// https://url.spec.whatwg.org/#c0-control-percent-encode-set
+function isC0ControlPercentEncode(c) {
+  return c <= 0x1F || c > 0x7E;
+}
+
+// https://url.spec.whatwg.org/#fragment-percent-encode-set
+const extraFragmentPercentEncodeSet = new Set([p(" "), p("\""), p("<"), p(">"), p("`")]);
+function isFragmentPercentEncode(c) {
+  return isC0ControlPercentEncode(c) || extraFragmentPercentEncodeSet.has(c);
+}
+
+// https://url.spec.whatwg.org/#query-percent-encode-set
+const extraQueryPercentEncodeSet = new Set([p(" "), p("\""), p("#"), p("<"), p(">")]);
+function isQueryPercentEncode(c) {
+  return isC0ControlPercentEncode(c) || extraQueryPercentEncodeSet.has(c);
+}
+
+// https://url.spec.whatwg.org/#special-query-percent-encode-set
+function isSpecialQueryPercentEncode(c) {
+  return isQueryPercentEncode(c) || c === p("'");
+}
+
+// https://url.spec.whatwg.org/#path-percent-encode-set
+const extraPathPercentEncodeSet = new Set([p("?"), p("`"), p("{"), p("}")]);
+function isPathPercentEncode(c) {
+  return isQueryPercentEncode(c) || extraPathPercentEncodeSet.has(c);
+}
+
+// https://url.spec.whatwg.org/#userinfo-percent-encode-set
+const extraUserinfoPercentEncodeSet =
+  new Set([p("/"), p(":"), p(";"), p("="), p("@"), p("["), p("\\"), p("]"), p("^"), p("|")]);
+function isUserinfoPercentEncode(c) {
+  return isPathPercentEncode(c) || extraUserinfoPercentEncodeSet.has(c);
+}
+
+// https://url.spec.whatwg.org/#component-percent-encode-set
+const extraComponentPercentEncodeSet = new Set([p("$"), p("%"), p("&"), p("+"), p(",")]);
+function isComponentPercentEncode(c) {
+  return isUserinfoPercentEncode(c) || extraComponentPercentEncodeSet.has(c);
+}
+
+// https://url.spec.whatwg.org/#application-x-www-form-urlencoded-percent-encode-set
+const extraURLEncodedPercentEncodeSet = new Set([p("!"), p("'"), p("("), p(")"), p("~")]);
+function isURLEncodedPercentEncode(c) {
+  return isComponentPercentEncode(c) || extraURLEncodedPercentEncodeSet.has(c);
+}
+
+// https://url.spec.whatwg.org/#code-point-percent-encode-after-encoding
+// https://url.spec.whatwg.org/#utf-8-percent-encode
+// Assuming encoding is always utf-8 allows us to trim one of the logic branches. TODO: support encoding.
+// The "-Internal" variant here has code points as JS strings. The external version used by other files has code points
+// as JS numbers, like the rest of the codebase.
+function utf8PercentEncodeCodePointInternal(codePoint, percentEncodePredicate) {
+  const bytes = utf8Encode(codePoint);
+  let output = "";
+  for (const byte of bytes) {
+    // Our percentEncodePredicate operates on bytes, not code points, so this is slightly different from the spec.
+    if (!percentEncodePredicate(byte)) {
+      output += String.fromCharCode(byte);
+    } else {
+      output += percentEncode(byte);
+    }
+  }
+
+  return output;
+}
+
+function utf8PercentEncodeCodePoint(codePoint, percentEncodePredicate) {
+  return utf8PercentEncodeCodePointInternal(String.fromCodePoint(codePoint), percentEncodePredicate);
+}
+
+// https://url.spec.whatwg.org/#string-percent-encode-after-encoding
+// https://url.spec.whatwg.org/#string-utf-8-percent-encode
+function utf8PercentEncodeString(input, percentEncodePredicate, spaceAsPlus = false) {
+  let output = "";
+  for (const codePoint of input) {
+    if (spaceAsPlus && codePoint === " ") {
+      output += "+";
+    } else {
+      output += utf8PercentEncodeCodePointInternal(codePoint, percentEncodePredicate);
+    }
+  }
+  return output;
+}
+
+module.exports = {
+  isC0ControlPercentEncode,
+  isFragmentPercentEncode,
+  isQueryPercentEncode,
+  isSpecialQueryPercentEncode,
+  isPathPercentEncode,
+  isUserinfoPercentEncode,
+  isURLEncodedPercentEncode,
+  percentDecodeString,
+  percentDecodeBytes,
+  utf8PercentEncodeString,
+  utf8PercentEncodeCodePoint
+};
diff --git a/node_modules/whatwg-url/lib/url-state-machine.js b/node_modules/whatwg-url/lib/url-state-machine.js
new file mode 100644
index 000000000..d9ecae2e9
--- /dev/null
+++ b/node_modules/whatwg-url/lib/url-state-machine.js
@@ -0,0 +1,1244 @@
+"use strict";
+const tr46 = require("tr46");
+
+const infra = require("./infra");
+const { utf8DecodeWithoutBOM } = require("./encoding");
+const { percentDecodeString, utf8PercentEncodeCodePoint, utf8PercentEncodeString, isC0ControlPercentEncode,
+  isFragmentPercentEncode, isQueryPercentEncode, isSpecialQueryPercentEncode, isPathPercentEncode,
+  isUserinfoPercentEncode } = require("./percent-encoding");
+
+function p(char) {
+  return char.codePointAt(0);
+}
+
+const specialSchemes = {
+  ftp: 21,
+  file: null,
+  http: 80,
+  https: 443,
+  ws: 80,
+  wss: 443
+};
+
+const failure = Symbol("failure");
+
+function countSymbols(str) {
+  return [...str].length;
+}
+
+function at(input, idx) {
+  const c = input[idx];
+  return isNaN(c) ? undefined : String.fromCodePoint(c);
+}
+
+function isSingleDot(buffer) {
+  return buffer === "." || buffer.toLowerCase() === "%2e";
+}
+
+function isDoubleDot(buffer) {
+  buffer = buffer.toLowerCase();
+  return buffer === ".." || buffer === "%2e." || buffer === ".%2e" || buffer === "%2e%2e";
+}
+
+function isWindowsDriveLetterCodePoints(cp1, cp2) {
+  return infra.isASCIIAlpha(cp1) && (cp2 === p(":") || cp2 === p("|"));
+}
+
+function isWindowsDriveLetterString(string) {
+  return string.length === 2 && infra.isASCIIAlpha(string.codePointAt(0)) && (string[1] === ":" || string[1] === "|");
+}
+
+function isNormalizedWindowsDriveLetterString(string) {
+  return string.length === 2 && infra.isASCIIAlpha(string.codePointAt(0)) && string[1] === ":";
+}
+
+function containsForbiddenHostCodePoint(string) {
+  return string.search(/\u0000|\u0009|\u000A|\u000D|\u0020|#|%|\/|:|<|>|\?|@|\[|\\|\]|\^|\|/u) !== -1;
+}
+
+function containsForbiddenHostCodePointExcludingPercent(string) {
+  return string.search(/\u0000|\u0009|\u000A|\u000D|\u0020|#|\/|:|<|>|\?|@|\[|\\|\]|\^|\|/u) !== -1;
+}
+
+function isSpecialScheme(scheme) {
+  return specialSchemes[scheme] !== undefined;
+}
+
+function isSpecial(url) {
+  return isSpecialScheme(url.scheme);
+}
+
+function isNotSpecial(url) {
+  return !isSpecialScheme(url.scheme);
+}
+
+function defaultPort(scheme) {
+  return specialSchemes[scheme];
+}
+
+function parseIPv4Number(input) {
+  if (input === "") {
+    return failure;
+  }
+
+  let R = 10;
+
+  if (input.length >= 2 && input.charAt(0) === "0" && input.charAt(1).toLowerCase() === "x") {
+    input = input.substring(2);
+    R = 16;
+  } else if (input.length >= 2 && input.charAt(0) === "0") {
+    input = input.substring(1);
+    R = 8;
+  }
+
+  if (input === "") {
+    return 0;
+  }
+
+  let regex = /[^0-7]/u;
+  if (R === 10) {
+    regex = /[^0-9]/u;
+  }
+  if (R === 16) {
+    regex = /[^0-9A-Fa-f]/u;
+  }
+
+  if (regex.test(input)) {
+    return failure;
+  }
+
+  return parseInt(input, R);
+}
+
+function parseIPv4(input) {
+  const parts = input.split(".");
+  if (parts[parts.length - 1] === "") {
+    if (parts.length > 1) {
+      parts.pop();
+    }
+  }
+
+  if (parts.length > 4) {
+    return failure;
+  }
+
+  const numbers = [];
+  for (const part of parts) {
+    const n = parseIPv4Number(part);
+    if (n === failure) {
+      return failure;
+    }
+
+    numbers.push(n);
+  }
+
+  for (let i = 0; i < numbers.length - 1; ++i) {
+    if (numbers[i] > 255) {
+      return failure;
+    }
+  }
+  if (numbers[numbers.length - 1] >= 256 ** (5 - numbers.length)) {
+    return failure;
+  }
+
+  let ipv4 = numbers.pop();
+  let counter = 0;
+
+  for (const n of numbers) {
+    ipv4 += n * 256 ** (3 - counter);
+    ++counter;
+  }
+
+  return ipv4;
+}
+
+function serializeIPv4(address) {
+  let output = "";
+  let n = address;
+
+  for (let i = 1; i <= 4; ++i) {
+    output = String(n % 256) + output;
+    if (i !== 4) {
+      output = `.${output}`;
+    }
+    n = Math.floor(n / 256);
+  }
+
+  return output;
+}
+
+function parseIPv6(input) {
+  const address = [0, 0, 0, 0, 0, 0, 0, 0];
+  let pieceIndex = 0;
+  let compress = null;
+  let pointer = 0;
+
+  input = Array.from(input, c => c.codePointAt(0));
+
+  if (input[pointer] === p(":")) {
+    if (input[pointer + 1] !== p(":")) {
+      return failure;
+    }
+
+    pointer += 2;
+    ++pieceIndex;
+    compress = pieceIndex;
+  }
+
+  while (pointer < input.length) {
+    if (pieceIndex === 8) {
+      return failure;
+    }
+
+    if (input[pointer] === p(":")) {
+      if (compress !== null) {
+        return failure;
+      }
+      ++pointer;
+      ++pieceIndex;
+      compress = pieceIndex;
+      continue;
+    }
+
+    let value = 0;
+    let length = 0;
+
+    while (length < 4 && infra.isASCIIHex(input[pointer])) {
+      value = value * 0x10 + parseInt(at(input, pointer), 16);
+      ++pointer;
+      ++length;
+    }
+
+    if (input[pointer] === p(".")) {
+      if (length === 0) {
+        return failure;
+      }
+
+      pointer -= length;
+
+      if (pieceIndex > 6) {
+        return failure;
+      }
+
+      let numbersSeen = 0;
+
+      while (input[pointer] !== undefined) {
+        let ipv4Piece = null;
+
+        if (numbersSeen > 0) {
+          if (input[pointer] === p(".") && numbersSeen < 4) {
+            ++pointer;
+          } else {
+            return failure;
+          }
+        }
+
+        if (!infra.isASCIIDigit(input[pointer])) {
+          return failure;
+        }
+
+        while (infra.isASCIIDigit(input[pointer])) {
+          const number = parseInt(at(input, pointer));
+          if (ipv4Piece === null) {
+            ipv4Piece = number;
+          } else if (ipv4Piece === 0) {
+            return failure;
+          } else {
+            ipv4Piece = ipv4Piece * 10 + number;
+          }
+          if (ipv4Piece > 255) {
+            return failure;
+          }
+          ++pointer;
+        }
+
+        address[pieceIndex] = address[pieceIndex] * 0x100 + ipv4Piece;
+
+        ++numbersSeen;
+
+        if (numbersSeen === 2 || numbersSeen === 4) {
+          ++pieceIndex;
+        }
+      }
+
+      if (numbersSeen !== 4) {
+        return failure;
+      }
+
+      break;
+    } else if (input[pointer] === p(":")) {
+      ++pointer;
+      if (input[pointer] === undefined) {
+        return failure;
+      }
+    } else if (input[pointer] !== undefined) {
+      return failure;
+    }
+
+    address[pieceIndex] = value;
+    ++pieceIndex;
+  }
+
+  if (compress !== null) {
+    let swaps = pieceIndex - compress;
+    pieceIndex = 7;
+    while (pieceIndex !== 0 && swaps > 0) {
+      const temp = address[compress + swaps - 1];
+      address[compress + swaps - 1] = address[pieceIndex];
+      address[pieceIndex] = temp;
+      --pieceIndex;
+      --swaps;
+    }
+  } else if (compress === null && pieceIndex !== 8) {
+    return failure;
+  }
+
+  return address;
+}
+
+function serializeIPv6(address) {
+  let output = "";
+  const compress = findLongestZeroSequence(address);
+  let ignore0 = false;
+
+  for (let pieceIndex = 0; pieceIndex <= 7; ++pieceIndex) {
+    if (ignore0 && address[pieceIndex] === 0) {
+      continue;
+    } else if (ignore0) {
+      ignore0 = false;
+    }
+
+    if (compress === pieceIndex) {
+      const separator = pieceIndex === 0 ? "::" : ":";
+      output += separator;
+      ignore0 = true;
+      continue;
+    }
+
+    output += address[pieceIndex].toString(16);
+
+    if (pieceIndex !== 7) {
+      output += ":";
+    }
+  }
+
+  return output;
+}
+
+function parseHost(input, isNotSpecialArg = false) {
+  if (input[0] === "[") {
+    if (input[input.length - 1] !== "]") {
+      return failure;
+    }
+
+    return parseIPv6(input.substring(1, input.length - 1));
+  }
+
+  if (isNotSpecialArg) {
+    return parseOpaqueHost(input);
+  }
+
+  const domain = utf8DecodeWithoutBOM(percentDecodeString(input));
+  const asciiDomain = domainToASCII(domain);
+  if (asciiDomain === failure) {
+    return failure;
+  }
+
+  if (containsForbiddenHostCodePoint(asciiDomain)) {
+    return failure;
+  }
+
+  if (endsInANumber(asciiDomain)) {
+    return parseIPv4(asciiDomain);
+  }
+
+  return asciiDomain;
+}
+
+function endsInANumber(input) {
+  const parts = input.split(".");
+  if (parts[parts.length - 1] === "") {
+    if (parts.length === 1) {
+      return false;
+    }
+    parts.pop();
+  }
+
+  const last = parts[parts.length - 1];
+  if (parseIPv4Number(last) !== failure) {
+    return true;
+  }
+
+  if (/^[0-9]+$/u.test(last)) {
+    return true;
+  }
+
+  return false;
+}
+
+function parseOpaqueHost(input) {
+  if (containsForbiddenHostCodePointExcludingPercent(input)) {
+    return failure;
+  }
+
+  return utf8PercentEncodeString(input, isC0ControlPercentEncode);
+}
+
+function findLongestZeroSequence(arr) {
+  let maxIdx = null;
+  let maxLen = 1; // only find elements > 1
+  let currStart = null;
+  let currLen = 0;
+
+  for (let i = 0; i < arr.length; ++i) {
+    if (arr[i] !== 0) {
+      if (currLen > maxLen) {
+        maxIdx = currStart;
+        maxLen = currLen;
+      }
+
+      currStart = null;
+      currLen = 0;
+    } else {
+      if (currStart === null) {
+        currStart = i;
+      }
+      ++currLen;
+    }
+  }
+
+  // if trailing zeros
+  if (currLen > maxLen) {
+    return currStart;
+  }
+
+  return maxIdx;
+}
+
+function serializeHost(host) {
+  if (typeof host === "number") {
+    return serializeIPv4(host);
+  }
+
+  // IPv6 serializer
+  if (host instanceof Array) {
+    return `[${serializeIPv6(host)}]`;
+  }
+
+  return host;
+}
+
+function domainToASCII(domain, beStrict = false) {
+  const result = tr46.toASCII(domain, {
+    checkBidi: true,
+    checkHyphens: false,
+    checkJoiners: true,
+    useSTD3ASCIIRules: beStrict,
+    verifyDNSLength: beStrict
+  });
+  if (result === null || result === "") {
+    return failure;
+  }
+  return result;
+}
+
+function trimControlChars(url) {
+  return url.replace(/^[\u0000-\u001F\u0020]+|[\u0000-\u001F\u0020]+$/ug, "");
+}
+
+function trimTabAndNewline(url) {
+  return url.replace(/\u0009|\u000A|\u000D/ug, "");
+}
+
+function shortenPath(url) {
+  const { path } = url;
+  if (path.length === 0) {
+    return;
+  }
+  if (url.scheme === "file" && path.length === 1 && isNormalizedWindowsDriveLetter(path[0])) {
+    return;
+  }
+
+  path.pop();
+}
+
+function includesCredentials(url) {
+  return url.username !== "" || url.password !== "";
+}
+
+function cannotHaveAUsernamePasswordPort(url) {
+  return url.host === null || url.host === "" || hasAnOpaquePath(url) || url.scheme === "file";
+}
+
+function hasAnOpaquePath(url) {
+  return typeof url.path === "string";
+}
+
+function isNormalizedWindowsDriveLetter(string) {
+  return /^[A-Za-z]:$/u.test(string);
+}
+
+function URLStateMachine(input, base, encodingOverride, url, stateOverride) {
+  this.pointer = 0;
+  this.input = input;
+  this.base = base || null;
+  this.encodingOverride = encodingOverride || "utf-8";
+  this.stateOverride = stateOverride;
+  this.url = url;
+  this.failure = false;
+  this.parseError = false;
+
+  if (!this.url) {
+    this.url = {
+      scheme: "",
+      username: "",
+      password: "",
+      host: null,
+      port: null,
+      path: [],
+      query: null,
+      fragment: null
+    };
+
+    const res = trimControlChars(this.input);
+    if (res !== this.input) {
+      this.parseError = true;
+    }
+    this.input = res;
+  }
+
+  const res = trimTabAndNewline(this.input);
+  if (res !== this.input) {
+    this.parseError = true;
+  }
+  this.input = res;
+
+  this.state = stateOverride || "scheme start";
+
+  this.buffer = "";
+  this.atFlag = false;
+  this.arrFlag = false;
+  this.passwordTokenSeenFlag = false;
+
+  this.input = Array.from(this.input, c => c.codePointAt(0));
+
+  for (; this.pointer <= this.input.length; ++this.pointer) {
+    const c = this.input[this.pointer];
+    const cStr = isNaN(c) ? undefined : String.fromCodePoint(c);
+
+    // exec state machine
+    const ret = this[`parse ${this.state}`](c, cStr);
+    if (!ret) {
+      break; // terminate algorithm
+    } else if (ret === failure) {
+      this.failure = true;
+      break;
+    }
+  }
+}
+
+URLStateMachine.prototype["parse scheme start"] = function parseSchemeStart(c, cStr) {
+  if (infra.isASCIIAlpha(c)) {
+    this.buffer += cStr.toLowerCase();
+    this.state = "scheme";
+  } else if (!this.stateOverride) {
+    this.state = "no scheme";
+    --this.pointer;
+  } else {
+    this.parseError = true;
+    return failure;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse scheme"] = function parseScheme(c, cStr) {
+  if (infra.isASCIIAlphanumeric(c) || c === p("+") || c === p("-") || c === p(".")) {
+    this.buffer += cStr.toLowerCase();
+  } else if (c === p(":")) {
+    if (this.stateOverride) {
+      if (isSpecial(this.url) && !isSpecialScheme(this.buffer)) {
+        return false;
+      }
+
+      if (!isSpecial(this.url) && isSpecialScheme(this.buffer)) {
+        return false;
+      }
+
+      if ((includesCredentials(this.url) || this.url.port !== null) && this.buffer === "file") {
+        return false;
+      }
+
+      if (this.url.scheme === "file" && this.url.host === "") {
+        return false;
+      }
+    }
+    this.url.scheme = this.buffer;
+    if (this.stateOverride) {
+      if (this.url.port === defaultPort(this.url.scheme)) {
+        this.url.port = null;
+      }
+      return false;
+    }
+    this.buffer = "";
+    if (this.url.scheme === "file") {
+      if (this.input[this.pointer + 1] !== p("/") || this.input[this.pointer + 2] !== p("/")) {
+        this.parseError = true;
+      }
+      this.state = "file";
+    } else if (isSpecial(this.url) && this.base !== null && this.base.scheme === this.url.scheme) {
+      this.state = "special relative or authority";
+    } else if (isSpecial(this.url)) {
+      this.state = "special authority slashes";
+    } else if (this.input[this.pointer + 1] === p("/")) {
+      this.state = "path or authority";
+      ++this.pointer;
+    } else {
+      this.url.path = "";
+      this.state = "opaque path";
+    }
+  } else if (!this.stateOverride) {
+    this.buffer = "";
+    this.state = "no scheme";
+    this.pointer = -1;
+  } else {
+    this.parseError = true;
+    return failure;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse no scheme"] = function parseNoScheme(c) {
+  if (this.base === null || (hasAnOpaquePath(this.base) && c !== p("#"))) {
+    return failure;
+  } else if (hasAnOpaquePath(this.base) && c === p("#")) {
+    this.url.scheme = this.base.scheme;
+    this.url.path = this.base.path;
+    this.url.query = this.base.query;
+    this.url.fragment = "";
+    this.state = "fragment";
+  } else if (this.base.scheme === "file") {
+    this.state = "file";
+    --this.pointer;
+  } else {
+    this.state = "relative";
+    --this.pointer;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse special relative or authority"] = function parseSpecialRelativeOrAuthority(c) {
+  if (c === p("/") && this.input[this.pointer + 1] === p("/")) {
+    this.state = "special authority ignore slashes";
+    ++this.pointer;
+  } else {
+    this.parseError = true;
+    this.state = "relative";
+    --this.pointer;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse path or authority"] = function parsePathOrAuthority(c) {
+  if (c === p("/")) {
+    this.state = "authority";
+  } else {
+    this.state = "path";
+    --this.pointer;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse relative"] = function parseRelative(c) {
+  this.url.scheme = this.base.scheme;
+  if (c === p("/")) {
+    this.state = "relative slash";
+  } else if (isSpecial(this.url) && c === p("\\")) {
+    this.parseError = true;
+    this.state = "relative slash";
+  } else {
+    this.url.username = this.base.username;
+    this.url.password = this.base.password;
+    this.url.host = this.base.host;
+    this.url.port = this.base.port;
+    this.url.path = this.base.path.slice();
+    this.url.query = this.base.query;
+    if (c === p("?")) {
+      this.url.query = "";
+      this.state = "query";
+    } else if (c === p("#")) {
+      this.url.fragment = "";
+      this.state = "fragment";
+    } else if (!isNaN(c)) {
+      this.url.query = null;
+      this.url.path.pop();
+      this.state = "path";
+      --this.pointer;
+    }
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse relative slash"] = function parseRelativeSlash(c) {
+  if (isSpecial(this.url) && (c === p("/") || c === p("\\"))) {
+    if (c === p("\\")) {
+      this.parseError = true;
+    }
+    this.state = "special authority ignore slashes";
+  } else if (c === p("/")) {
+    this.state = "authority";
+  } else {
+    this.url.username = this.base.username;
+    this.url.password = this.base.password;
+    this.url.host = this.base.host;
+    this.url.port = this.base.port;
+    this.state = "path";
+    --this.pointer;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse special authority slashes"] = function parseSpecialAuthoritySlashes(c) {
+  if (c === p("/") && this.input[this.pointer + 1] === p("/")) {
+    this.state = "special authority ignore slashes";
+    ++this.pointer;
+  } else {
+    this.parseError = true;
+    this.state = "special authority ignore slashes";
+    --this.pointer;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse special authority ignore slashes"] = function parseSpecialAuthorityIgnoreSlashes(c) {
+  if (c !== p("/") && c !== p("\\")) {
+    this.state = "authority";
+    --this.pointer;
+  } else {
+    this.parseError = true;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse authority"] = function parseAuthority(c, cStr) {
+  if (c === p("@")) {
+    this.parseError = true;
+    if (this.atFlag) {
+      this.buffer = `%40${this.buffer}`;
+    }
+    this.atFlag = true;
+
+    // careful, this is based on buffer and has its own pointer (this.pointer != pointer) and inner chars
+    const len = countSymbols(this.buffer);
+    for (let pointer = 0; pointer < len; ++pointer) {
+      const codePoint = this.buffer.codePointAt(pointer);
+
+      if (codePoint === p(":") && !this.passwordTokenSeenFlag) {
+        this.passwordTokenSeenFlag = true;
+        continue;
+      }
+      const encodedCodePoints = utf8PercentEncodeCodePoint(codePoint, isUserinfoPercentEncode);
+      if (this.passwordTokenSeenFlag) {
+        this.url.password += encodedCodePoints;
+      } else {
+        this.url.username += encodedCodePoints;
+      }
+    }
+    this.buffer = "";
+  } else if (isNaN(c) || c === p("/") || c === p("?") || c === p("#") ||
+             (isSpecial(this.url) && c === p("\\"))) {
+    if (this.atFlag && this.buffer === "") {
+      this.parseError = true;
+      return failure;
+    }
+    this.pointer -= countSymbols(this.buffer) + 1;
+    this.buffer = "";
+    this.state = "host";
+  } else {
+    this.buffer += cStr;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse hostname"] =
+URLStateMachine.prototype["parse host"] = function parseHostName(c, cStr) {
+  if (this.stateOverride && this.url.scheme === "file") {
+    --this.pointer;
+    this.state = "file host";
+  } else if (c === p(":") && !this.arrFlag) {
+    if (this.buffer === "") {
+      this.parseError = true;
+      return failure;
+    }
+
+    if (this.stateOverride === "hostname") {
+      return false;
+    }
+
+    const host = parseHost(this.buffer, isNotSpecial(this.url));
+    if (host === failure) {
+      return failure;
+    }
+
+    this.url.host = host;
+    this.buffer = "";
+    this.state = "port";
+  } else if (isNaN(c) || c === p("/") || c === p("?") || c === p("#") ||
+             (isSpecial(this.url) && c === p("\\"))) {
+    --this.pointer;
+    if (isSpecial(this.url) && this.buffer === "") {
+      this.parseError = true;
+      return failure;
+    } else if (this.stateOverride && this.buffer === "" &&
+               (includesCredentials(this.url) || this.url.port !== null)) {
+      this.parseError = true;
+      return false;
+    }
+
+    const host = parseHost(this.buffer, isNotSpecial(this.url));
+    if (host === failure) {
+      return failure;
+    }
+
+    this.url.host = host;
+    this.buffer = "";
+    this.state = "path start";
+    if (this.stateOverride) {
+      return false;
+    }
+  } else {
+    if (c === p("[")) {
+      this.arrFlag = true;
+    } else if (c === p("]")) {
+      this.arrFlag = false;
+    }
+    this.buffer += cStr;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse port"] = function parsePort(c, cStr) {
+  if (infra.isASCIIDigit(c)) {
+    this.buffer += cStr;
+  } else if (isNaN(c) || c === p("/") || c === p("?") || c === p("#") ||
+             (isSpecial(this.url) && c === p("\\")) ||
+             this.stateOverride) {
+    if (this.buffer !== "") {
+      const port = parseInt(this.buffer);
+      if (port > 2 ** 16 - 1) {
+        this.parseError = true;
+        return failure;
+      }
+      this.url.port = port === defaultPort(this.url.scheme) ? null : port;
+      this.buffer = "";
+    }
+    if (this.stateOverride) {
+      return false;
+    }
+    this.state = "path start";
+    --this.pointer;
+  } else {
+    this.parseError = true;
+    return failure;
+  }
+
+  return true;
+};
+
+const fileOtherwiseCodePoints = new Set([p("/"), p("\\"), p("?"), p("#")]);
+
+function startsWithWindowsDriveLetter(input, pointer) {
+  const length = input.length - pointer;
+  return length >= 2 &&
+    isWindowsDriveLetterCodePoints(input[pointer], input[pointer + 1]) &&
+    (length === 2 || fileOtherwiseCodePoints.has(input[pointer + 2]));
+}
+
+URLStateMachine.prototype["parse file"] = function parseFile(c) {
+  this.url.scheme = "file";
+  this.url.host = "";
+
+  if (c === p("/") || c === p("\\")) {
+    if (c === p("\\")) {
+      this.parseError = true;
+    }
+    this.state = "file slash";
+  } else if (this.base !== null && this.base.scheme === "file") {
+    this.url.host = this.base.host;
+    this.url.path = this.base.path.slice();
+    this.url.query = this.base.query;
+    if (c === p("?")) {
+      this.url.query = "";
+      this.state = "query";
+    } else if (c === p("#")) {
+      this.url.fragment = "";
+      this.state = "fragment";
+    } else if (!isNaN(c)) {
+      this.url.query = null;
+      if (!startsWithWindowsDriveLetter(this.input, this.pointer)) {
+        shortenPath(this.url);
+      } else {
+        this.parseError = true;
+        this.url.path = [];
+      }
+
+      this.state = "path";
+      --this.pointer;
+    }
+  } else {
+    this.state = "path";
+    --this.pointer;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse file slash"] = function parseFileSlash(c) {
+  if (c === p("/") || c === p("\\")) {
+    if (c === p("\\")) {
+      this.parseError = true;
+    }
+    this.state = "file host";
+  } else {
+    if (this.base !== null && this.base.scheme === "file") {
+      if (!startsWithWindowsDriveLetter(this.input, this.pointer) &&
+          isNormalizedWindowsDriveLetterString(this.base.path[0])) {
+        this.url.path.push(this.base.path[0]);
+      }
+      this.url.host = this.base.host;
+    }
+    this.state = "path";
+    --this.pointer;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse file host"] = function parseFileHost(c, cStr) {
+  if (isNaN(c) || c === p("/") || c === p("\\") || c === p("?") || c === p("#")) {
+    --this.pointer;
+    if (!this.stateOverride && isWindowsDriveLetterString(this.buffer)) {
+      this.parseError = true;
+      this.state = "path";
+    } else if (this.buffer === "") {
+      this.url.host = "";
+      if (this.stateOverride) {
+        return false;
+      }
+      this.state = "path start";
+    } else {
+      let host = parseHost(this.buffer, isNotSpecial(this.url));
+      if (host === failure) {
+        return failure;
+      }
+      if (host === "localhost") {
+        host = "";
+      }
+      this.url.host = host;
+
+      if (this.stateOverride) {
+        return false;
+      }
+
+      this.buffer = "";
+      this.state = "path start";
+    }
+  } else {
+    this.buffer += cStr;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse path start"] = function parsePathStart(c) {
+  if (isSpecial(this.url)) {
+    if (c === p("\\")) {
+      this.parseError = true;
+    }
+    this.state = "path";
+
+    if (c !== p("/") && c !== p("\\")) {
+      --this.pointer;
+    }
+  } else if (!this.stateOverride && c === p("?")) {
+    this.url.query = "";
+    this.state = "query";
+  } else if (!this.stateOverride && c === p("#")) {
+    this.url.fragment = "";
+    this.state = "fragment";
+  } else if (c !== undefined) {
+    this.state = "path";
+    if (c !== p("/")) {
+      --this.pointer;
+    }
+  } else if (this.stateOverride && this.url.host === null) {
+    this.url.path.push("");
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse path"] = function parsePath(c) {
+  if (isNaN(c) || c === p("/") || (isSpecial(this.url) && c === p("\\")) ||
+      (!this.stateOverride && (c === p("?") || c === p("#")))) {
+    if (isSpecial(this.url) && c === p("\\")) {
+      this.parseError = true;
+    }
+
+    if (isDoubleDot(this.buffer)) {
+      shortenPath(this.url);
+      if (c !== p("/") && !(isSpecial(this.url) && c === p("\\"))) {
+        this.url.path.push("");
+      }
+    } else if (isSingleDot(this.buffer) && c !== p("/") &&
+               !(isSpecial(this.url) && c === p("\\"))) {
+      this.url.path.push("");
+    } else if (!isSingleDot(this.buffer)) {
+      if (this.url.scheme === "file" && this.url.path.length === 0 && isWindowsDriveLetterString(this.buffer)) {
+        this.buffer = `${this.buffer[0]}:`;
+      }
+      this.url.path.push(this.buffer);
+    }
+    this.buffer = "";
+    if (c === p("?")) {
+      this.url.query = "";
+      this.state = "query";
+    }
+    if (c === p("#")) {
+      this.url.fragment = "";
+      this.state = "fragment";
+    }
+  } else {
+    // TODO: If c is not a URL code point and not "%", parse error.
+
+    if (c === p("%") &&
+      (!infra.isASCIIHex(this.input[this.pointer + 1]) ||
+        !infra.isASCIIHex(this.input[this.pointer + 2]))) {
+      this.parseError = true;
+    }
+
+    this.buffer += utf8PercentEncodeCodePoint(c, isPathPercentEncode);
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse opaque path"] = function parseOpaquePath(c) {
+  if (c === p("?")) {
+    this.url.query = "";
+    this.state = "query";
+  } else if (c === p("#")) {
+    this.url.fragment = "";
+    this.state = "fragment";
+  } else {
+    // TODO: Add: not a URL code point
+    if (!isNaN(c) && c !== p("%")) {
+      this.parseError = true;
+    }
+
+    if (c === p("%") &&
+        (!infra.isASCIIHex(this.input[this.pointer + 1]) ||
+         !infra.isASCIIHex(this.input[this.pointer + 2]))) {
+      this.parseError = true;
+    }
+
+    if (!isNaN(c)) {
+      this.url.path += utf8PercentEncodeCodePoint(c, isC0ControlPercentEncode);
+    }
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse query"] = function parseQuery(c, cStr) {
+  if (!isSpecial(this.url) || this.url.scheme === "ws" || this.url.scheme === "wss") {
+    this.encodingOverride = "utf-8";
+  }
+
+  if ((!this.stateOverride && c === p("#")) || isNaN(c)) {
+    const queryPercentEncodePredicate = isSpecial(this.url) ? isSpecialQueryPercentEncode : isQueryPercentEncode;
+    this.url.query += utf8PercentEncodeString(this.buffer, queryPercentEncodePredicate);
+
+    this.buffer = "";
+
+    if (c === p("#")) {
+      this.url.fragment = "";
+      this.state = "fragment";
+    }
+  } else if (!isNaN(c)) {
+    // TODO: If c is not a URL code point and not "%", parse error.
+
+    if (c === p("%") &&
+      (!infra.isASCIIHex(this.input[this.pointer + 1]) ||
+        !infra.isASCIIHex(this.input[this.pointer + 2]))) {
+      this.parseError = true;
+    }
+
+    this.buffer += cStr;
+  }
+
+  return true;
+};
+
+URLStateMachine.prototype["parse fragment"] = function parseFragment(c) {
+  if (!isNaN(c)) {
+    // TODO: If c is not a URL code point and not "%", parse error.
+    if (c === p("%") &&
+      (!infra.isASCIIHex(this.input[this.pointer + 1]) ||
+        !infra.isASCIIHex(this.input[this.pointer + 2]))) {
+      this.parseError = true;
+    }
+
+    this.url.fragment += utf8PercentEncodeCodePoint(c, isFragmentPercentEncode);
+  }
+
+  return true;
+};
+
+function serializeURL(url, excludeFragment) {
+  let output = `${url.scheme}:`;
+  if (url.host !== null) {
+    output += "//";
+
+    if (url.username !== "" || url.password !== "") {
+      output += url.username;
+      if (url.password !== "") {
+        output += `:${url.password}`;
+      }
+      output += "@";
+    }
+
+    output += serializeHost(url.host);
+
+    if (url.port !== null) {
+      output += `:${url.port}`;
+    }
+  }
+
+  if (url.host === null && !hasAnOpaquePath(url) && url.path.length > 1 && url.path[0] === "") {
+    output += "/.";
+  }
+  output += serializePath(url);
+
+  if (url.query !== null) {
+    output += `?${url.query}`;
+  }
+
+  if (!excludeFragment && url.fragment !== null) {
+    output += `#${url.fragment}`;
+  }
+
+  return output;
+}
+
+function serializeOrigin(tuple) {
+  let result = `${tuple.scheme}://`;
+  result += serializeHost(tuple.host);
+
+  if (tuple.port !== null) {
+    result += `:${tuple.port}`;
+  }
+
+  return result;
+}
+
+function serializePath(url) {
+  if (hasAnOpaquePath(url)) {
+    return url.path;
+  }
+
+  let output = "";
+  for (const segment of url.path) {
+    output += `/${segment}`;
+  }
+  return output;
+}
+
+module.exports.serializeURL = serializeURL;
+
+module.exports.serializePath = serializePath;
+
+module.exports.serializeURLOrigin = function (url) {
+  // https://url.spec.whatwg.org/#concept-url-origin
+  switch (url.scheme) {
+    case "blob":
+      try {
+        return module.exports.serializeURLOrigin(module.exports.parseURL(serializePath(url)));
+      } catch (e) {
+        // serializing an opaque origin returns "null"
+        return "null";
+      }
+    case "ftp":
+    case "http":
+    case "https":
+    case "ws":
+    case "wss":
+      return serializeOrigin({
+        scheme: url.scheme,
+        host: url.host,
+        port: url.port
+      });
+    case "file":
+      // The spec says:
+      // > Unfortunate as it is, this is left as an exercise to the reader. When in doubt, return a new opaque origin.
+      // Browsers tested so far:
+      // - Chrome says "file://", but treats file: URLs as cross-origin for most (all?) purposes; see e.g.
+      //   https://bugs.chromium.org/p/chromium/issues/detail?id=37586
+      // - Firefox says "null", but treats file: URLs as same-origin sometimes based on directory stuff; see
+      //   https://developer.mozilla.org/en-US/docs/Archive/Misc_top_level/Same-origin_policy_for_file:_URIs
+      return "null";
+    default:
+      // serializing an opaque origin returns "null"
+      return "null";
+  }
+};
+
+module.exports.basicURLParse = function (input, options) {
+  if (options === undefined) {
+    options = {};
+  }
+
+  const usm = new URLStateMachine(input, options.baseURL, options.encodingOverride, options.url, options.stateOverride);
+  if (usm.failure) {
+    return null;
+  }
+
+  return usm.url;
+};
+
+module.exports.setTheUsername = function (url, username) {
+  url.username = utf8PercentEncodeString(username, isUserinfoPercentEncode);
+};
+
+module.exports.setThePassword = function (url, password) {
+  url.password = utf8PercentEncodeString(password, isUserinfoPercentEncode);
+};
+
+module.exports.serializeHost = serializeHost;
+
+module.exports.cannotHaveAUsernamePasswordPort = cannotHaveAUsernamePasswordPort;
+
+module.exports.hasAnOpaquePath = hasAnOpaquePath;
+
+module.exports.serializeInteger = function (integer) {
+  return String(integer);
+};
+
+module.exports.parseURL = function (input, options) {
+  if (options === undefined) {
+    options = {};
+  }
+
+  // We don't handle blobs, so this just delegates:
+  return module.exports.basicURLParse(input, { baseURL: options.baseURL, encodingOverride: options.encodingOverride });
+};
diff --git a/node_modules/whatwg-url/lib/urlencoded.js b/node_modules/whatwg-url/lib/urlencoded.js
new file mode 100644
index 000000000..e72306374
--- /dev/null
+++ b/node_modules/whatwg-url/lib/urlencoded.js
@@ -0,0 +1,106 @@
+"use strict";
+const { utf8Encode, utf8DecodeWithoutBOM } = require("./encoding");
+const { percentDecodeBytes, utf8PercentEncodeString, isURLEncodedPercentEncode } = require("./percent-encoding");
+
+function p(char) {
+  return char.codePointAt(0);
+}
+
+// https://url.spec.whatwg.org/#concept-urlencoded-parser
+function parseUrlencoded(input) {
+  const sequences = strictlySplitByteSequence(input, p("&"));
+  const output = [];
+  for (const bytes of sequences) {
+    if (bytes.length === 0) {
+      continue;
+    }
+
+    let name, value;
+    const indexOfEqual = bytes.indexOf(p("="));
+
+    if (indexOfEqual >= 0) {
+      name = bytes.slice(0, indexOfEqual);
+      value = bytes.slice(indexOfEqual + 1);
+    } else {
+      name = bytes;
+      value = new Uint8Array(0);
+    }
+
+    name = replaceByteInByteSequence(name, 0x2B, 0x20);
+    value = replaceByteInByteSequence(value, 0x2B, 0x20);
+
+    const nameString = utf8DecodeWithoutBOM(percentDecodeBytes(name));
+    const valueString = utf8DecodeWithoutBOM(percentDecodeBytes(value));
+
+    output.push([nameString, valueString]);
+  }
+  return output;
+}
+
+// https://url.spec.whatwg.org/#concept-urlencoded-string-parser
+function parseUrlencodedString(input) {
+  return parseUrlencoded(utf8Encode(input));
+}
+
+// https://url.spec.whatwg.org/#concept-urlencoded-serializer
+function serializeUrlencoded(tuples, encodingOverride = undefined) {
+  let encoding = "utf-8";
+  if (encodingOverride !== undefined) {
+    // TODO "get the output encoding", i.e. handle encoding labels vs. names.
+    encoding = encodingOverride;
+  }
+
+  let output = "";
+  for (const [i, tuple] of tuples.entries()) {
+    // TODO: handle encoding override
+
+    const name = utf8PercentEncodeString(tuple[0], isURLEncodedPercentEncode, true);
+
+    let value = tuple[1];
+    if (tuple.length > 2 && tuple[2] !== undefined) {
+      if (tuple[2] === "hidden" && name === "_charset_") {
+        value = encoding;
+      } else if (tuple[2] === "file") {
+        // value is a File object
+        value = value.name;
+      }
+    }
+
+    value = utf8PercentEncodeString(value, isURLEncodedPercentEncode, true);
+
+    if (i !== 0) {
+      output += "&";
+    }
+    output += `${name}=${value}`;
+  }
+  return output;
+}
+
+function strictlySplitByteSequence(buf, cp) {
+  const list = [];
+  let last = 0;
+  let i = buf.indexOf(cp);
+  while (i >= 0) {
+    list.push(buf.slice(last, i));
+    last = i + 1;
+    i = buf.indexOf(cp, last);
+  }
+  if (last !== buf.length) {
+    list.push(buf.slice(last));
+  }
+  return list;
+}
+
+function replaceByteInByteSequence(buf, from, to) {
+  let i = buf.indexOf(from);
+  while (i >= 0) {
+    buf[i] = to;
+    i = buf.indexOf(from, i + 1);
+  }
+  return buf;
+}
+
+module.exports = {
+  parseUrlencodedString,
+  serializeUrlencoded
+};
diff --git a/node_modules/whatwg-url/lib/utils.js b/node_modules/whatwg-url/lib/utils.js
new file mode 100644
index 000000000..3af17706f
--- /dev/null
+++ b/node_modules/whatwg-url/lib/utils.js
@@ -0,0 +1,190 @@
+"use strict";
+
+// Returns "Type(value) is Object" in ES terminology.
+function isObject(value) {
+  return (typeof value === "object" && value !== null) || typeof value === "function";
+}
+
+const hasOwn = Function.prototype.call.bind(Object.prototype.hasOwnProperty);
+
+// Like `Object.assign`, but using `[[GetOwnProperty]]` and `[[DefineOwnProperty]]`
+// instead of `[[Get]]` and `[[Set]]` and only allowing objects
+function define(target, source) {
+  for (const key of Reflect.ownKeys(source)) {
+    const descriptor = Reflect.getOwnPropertyDescriptor(source, key);
+    if (descriptor && !Reflect.defineProperty(target, key, descriptor)) {
+      throw new TypeError(`Cannot redefine property: ${String(key)}`);
+    }
+  }
+}
+
+function newObjectInRealm(globalObject, object) {
+  const ctorRegistry = initCtorRegistry(globalObject);
+  return Object.defineProperties(
+    Object.create(ctorRegistry["%Object.prototype%"]),
+    Object.getOwnPropertyDescriptors(object)
+  );
+}
+
+const wrapperSymbol = Symbol("wrapper");
+const implSymbol = Symbol("impl");
+const sameObjectCaches = Symbol("SameObject caches");
+const ctorRegistrySymbol = Symbol.for("[webidl2js] constructor registry");
+
+const AsyncIteratorPrototype = Object.getPrototypeOf(Object.getPrototypeOf(async function* () {}).prototype);
+
+function initCtorRegistry(globalObject) {
+  if (hasOwn(globalObject, ctorRegistrySymbol)) {
+    return globalObject[ctorRegistrySymbol];
+  }
+
+  const ctorRegistry = Object.create(null);
+
+  // In addition to registering all the WebIDL2JS-generated types in the constructor registry,
+  // we also register a few intrinsics that we make use of in generated code, since they are not
+  // easy to grab from the globalObject variable.
+  ctorRegistry["%Object.prototype%"] = globalObject.Object.prototype;
+  ctorRegistry["%IteratorPrototype%"] = Object.getPrototypeOf(
+    Object.getPrototypeOf(new globalObject.Array()[Symbol.iterator]())
+  );
+
+  try {
+    ctorRegistry["%AsyncIteratorPrototype%"] = Object.getPrototypeOf(
+      Object.getPrototypeOf(
+        globalObject.eval("(async function* () {})").prototype
+      )
+    );
+  } catch {
+    ctorRegistry["%AsyncIteratorPrototype%"] = AsyncIteratorPrototype;
+  }
+
+  globalObject[ctorRegistrySymbol] = ctorRegistry;
+  return ctorRegistry;
+}
+
+function getSameObject(wrapper, prop, creator) {
+  if (!wrapper[sameObjectCaches]) {
+    wrapper[sameObjectCaches] = Object.create(null);
+  }
+
+  if (prop in wrapper[sameObjectCaches]) {
+    return wrapper[sameObjectCaches][prop];
+  }
+
+  wrapper[sameObjectCaches][prop] = creator();
+  return wrapper[sameObjectCaches][prop];
+}
+
+function wrapperForImpl(impl) {
+  return impl ? impl[wrapperSymbol] : null;
+}
+
+function implForWrapper(wrapper) {
+  return wrapper ? wrapper[implSymbol] : null;
+}
+
+function tryWrapperForImpl(impl) {
+  const wrapper = wrapperForImpl(impl);
+  return wrapper ? wrapper : impl;
+}
+
+function tryImplForWrapper(wrapper) {
+  const impl = implForWrapper(wrapper);
+  return impl ? impl : wrapper;
+}
+
+const iterInternalSymbol = Symbol("internal");
+
+function isArrayIndexPropName(P) {
+  if (typeof P !== "string") {
+    return false;
+  }
+  const i = P >>> 0;
+  if (i === 2 ** 32 - 1) {
+    return false;
+  }
+  const s = `${i}`;
+  if (P !== s) {
+    return false;
+  }
+  return true;
+}
+
+const byteLengthGetter =
+    Object.getOwnPropertyDescriptor(ArrayBuffer.prototype, "byteLength").get;
+function isArrayBuffer(value) {
+  try {
+    byteLengthGetter.call(value);
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
+function iteratorResult([key, value], kind) {
+  let result;
+  switch (kind) {
+    case "key":
+      result = key;
+      break;
+    case "value":
+      result = value;
+      break;
+    case "key+value":
+      result = [key, value];
+      break;
+  }
+  return { value: result, done: false };
+}
+
+const supportsPropertyIndex = Symbol("supports property index");
+const supportedPropertyIndices = Symbol("supported property indices");
+const supportsPropertyName = Symbol("supports property name");
+const supportedPropertyNames = Symbol("supported property names");
+const indexedGet = Symbol("indexed property get");
+const indexedSetNew = Symbol("indexed property set new");
+const indexedSetExisting = Symbol("indexed property set existing");
+const namedGet = Symbol("named property get");
+const namedSetNew = Symbol("named property set new");
+const namedSetExisting = Symbol("named property set existing");
+const namedDelete = Symbol("named property delete");
+
+const asyncIteratorNext = Symbol("async iterator get the next iteration result");
+const asyncIteratorReturn = Symbol("async iterator return steps");
+const asyncIteratorInit = Symbol("async iterator initialization steps");
+const asyncIteratorEOI = Symbol("async iterator end of iteration");
+
+module.exports = exports = {
+  isObject,
+  hasOwn,
+  define,
+  newObjectInRealm,
+  wrapperSymbol,
+  implSymbol,
+  getSameObject,
+  ctorRegistrySymbol,
+  initCtorRegistry,
+  wrapperForImpl,
+  implForWrapper,
+  tryWrapperForImpl,
+  tryImplForWrapper,
+  iterInternalSymbol,
+  isArrayBuffer,
+  isArrayIndexPropName,
+  supportsPropertyIndex,
+  supportedPropertyIndices,
+  supportsPropertyName,
+  supportedPropertyNames,
+  indexedGet,
+  indexedSetNew,
+  indexedSetExisting,
+  namedGet,
+  namedSetNew,
+  namedSetExisting,
+  namedDelete,
+  asyncIteratorNext,
+  asyncIteratorReturn,
+  asyncIteratorInit,
+  asyncIteratorEOI,
+  iteratorResult
+};
diff --git a/node_modules/whatwg-url/package.json b/node_modules/whatwg-url/package.json
new file mode 100644
index 000000000..9cb209f9d
--- /dev/null
+++ b/node_modules/whatwg-url/package.json
@@ -0,0 +1,58 @@
+{
+  "name": "whatwg-url",
+  "version": "11.0.0",
+  "description": "An implementation of the WHATWG URL Standard's URL API and parsing machinery",
+  "main": "index.js",
+  "files": [
+    "index.js",
+    "webidl2js-wrapper.js",
+    "lib/*.js"
+  ],
+  "author": "Sebastian Mayr <github@smayr.name>",
+  "license": "MIT",
+  "repository": "jsdom/whatwg-url",
+  "dependencies": {
+    "tr46": "^3.0.0",
+    "webidl-conversions": "^7.0.0"
+  },
+  "devDependencies": {
+    "@domenic/eslint-config": "^1.4.0",
+    "benchmark": "^2.1.4",
+    "browserify": "^17.0.0",
+    "domexception": "^4.0.0",
+    "eslint": "^7.32.0",
+    "got": "^11.8.2",
+    "jest": "^27.2.4",
+    "webidl2js": "^17.0.0"
+  },
+  "engines": {
+    "node": ">=12"
+  },
+  "scripts": {
+    "coverage": "jest --coverage",
+    "lint": "eslint .",
+    "prepare": "node scripts/transform.js",
+    "pretest": "node scripts/get-latest-platform-tests.js && node scripts/transform.js",
+    "build-live-viewer": "browserify index.js --standalone whatwgURL > live-viewer/whatwg-url.js",
+    "test": "jest"
+  },
+  "jest": {
+    "collectCoverageFrom": [
+      "lib/**/*.js",
+      "!lib/utils.js"
+    ],
+    "coverageDirectory": "coverage",
+    "coverageReporters": [
+      "lcov",
+      "text-summary"
+    ],
+    "testEnvironment": "node",
+    "testMatch": [
+      "<rootDir>/test/**/*.js"
+    ],
+    "testPathIgnorePatterns": [
+      "^<rootDir>/test/testharness.js$",
+      "^<rootDir>/test/web-platform-tests/"
+    ]
+  }
+}
diff --git a/node_modules/whatwg-url/webidl2js-wrapper.js b/node_modules/whatwg-url/webidl2js-wrapper.js
new file mode 100644
index 000000000..b731ace5f
--- /dev/null
+++ b/node_modules/whatwg-url/webidl2js-wrapper.js
@@ -0,0 +1,7 @@
+"use strict";
+
+const URL = require("./lib/URL");
+const URLSearchParams = require("./lib/URLSearchParams");
+
+exports.URL = URL;
+exports.URLSearchParams = URLSearchParams;
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 000000000..8da463ff0
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,2713 @@
+{
+  "name": "a3-enoch-zhao",
+  "version": "1.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "a3-enoch-zhao",
+      "version": "1.0",
+      "dependencies": {
+        "body-parser": "^1.19.0",
+        "connect-timeout": "^1.9.0",
+        "cookie-parser": "^1.4.5",
+        "cookie-session": "^1.4.0",
+        "dotenv": "^10.0.0",
+        "envkey": "^1.3.1",
+        "express": "^4.17.1",
+        "mime": "^2.4.4",
+        "mongodb": "^4.1.2",
+        "mongoose": "^6.0.7",
+        "node": "^16.10.0",
+        "passport": "^0.5.0",
+        "passport-github2": "^0.1.12",
+        "request": "^2.88.2",
+        "serve-static": "^1.14.1",
+        "text-encoder": "^0.0.4"
+      },
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
+    "node_modules/@types/node": {
+      "version": "18.7.21",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.7.21.tgz",
+      "integrity": "sha512-rLFzK5bhM0YPyCoTC8bolBjMk7bwnZ8qeZUBslBfjZQou2ssJdWslx9CZ8DGM+Dx7QXQiiTVZ/6QO6kwtHkZCA=="
+    },
+    "node_modules/@types/webidl-conversions": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@types/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
+      "integrity": "sha512-xTE1E+YF4aWPJJeUzaZI5DRntlkY3+BCVJi0axFptnjGmAoWxkyREIh/XMrfxVLejwQxMCfDXdICo0VLxThrog=="
+    },
+    "node_modules/@types/whatwg-url": {
+      "version": "8.2.2",
+      "resolved": "https://registry.npmjs.org/@types/whatwg-url/-/whatwg-url-8.2.2.tgz",
+      "integrity": "sha512-FtQu10RWgn3D9U4aazdwIE2yzphmTJREDqNdODHrbrZmmMqI0vMheC/6NE/J1Yveaj8H+ela+YwWTjq5PGmuhA==",
+      "dependencies": {
+        "@types/node": "*",
+        "@types/webidl-conversions": "*"
+      }
+    },
+    "node_modules/accepts": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
+      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+      "dependencies": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/ajv": {
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
+    "node_modules/array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
+    },
+    "node_modules/asn1": {
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.6.tgz",
+      "integrity": "sha512-ix/FxPn0MDjeyJ7i/yoHGFt/EX6LyNbxSEhPPXODPL+KB0VPk86UYfL0lMdy+KCnv+fmvIzySwaK5COwqVbWTQ==",
+      "dependencies": {
+        "safer-buffer": "~2.1.0"
+      }
+    },
+    "node_modules/assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha512-NfJ4UzBCcQGLDlQq7nHxH+tv3kyZ0hHQqF5BO6J7tNJeP5do1llPr8dZ8zHonfhAu0PHAdMkSo+8o0wxg9lZWw==",
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
+    "node_modules/asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q=="
+    },
+    "node_modules/aws-sign2": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha512-08kcGqnYf/YmjoRhfxyu+CLxBjUtHLXLXX/vUfx9l2LYzG3c1m61nrpyFUZI6zeS+Li/wWMMidD9KgrqtGq3mA==",
+      "engines": {
+        "node": "*"
+      }
+    },
+    "node_modules/aws4": {
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.11.0.tgz",
+      "integrity": "sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA=="
+    },
+    "node_modules/base64-js": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
+    "node_modules/base64url": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/base64url/-/base64url-3.0.1.tgz",
+      "integrity": "sha512-ir1UPr3dkwexU7FdV8qBBbNDRUhMmIekYMFZfi+C/sLNnRESKPl23nB9b2pltqfOQNnGzsDdId90AEtG5tCx4A==",
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/bcrypt-pbkdf": {
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+      "requires": {
+        "tr46": "^3.0.0",
+        "webidl-conversions": "^7.0.0"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 000000000..63c130f7f
--- /dev/null
+++ b/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "a3-enoch-zhao",
+  "version": "1.0",
+  "description": "",
+  "author": "Enoch Zhao",
+  "scripts": {
+    "start": "node server.improved.js"
+  },
+  "engines": {
+    "node": ">=12.0.0"
+  },
+  "dependencies": {
+    "body-parser": "^1.19.0",
+    "connect-timeout": "^1.9.0",
+    "cookie-parser": "^1.4.5",
+    "cookie-session": "^1.4.0",
+    "dotenv": "^10.0.0",
+    "envkey": "^1.3.1",
+    "express": "^4.17.1",
+    "mime": "^2.4.4",
+    "mongodb": "^4.1.2",
+    "mongoose": "^6.0.7",
+    "node": "^16.10.0",
+    "passport": "^0.5.0",
+    "passport-github2": "^0.1.12",
+    "request": "^2.88.2",
+    "serve-static": "^1.14.1",
+    "text-encoder": "^0.0.4"
+  }
+}
+
diff --git a/public/css/style.css b/public/css/style.css
new file mode 100644
index 000000000..66d33afe3
--- /dev/null
+++ b/public/css/style.css
@@ -0,0 +1,17 @@
+.login-background {
+    background-color: #5F9EA0;
+}
+.user-background {
+    background-color: #FFE4E1;
+}
+.header-background {
+    background-color: #FFE4E1;
+}
+
+.header-footer-background {
+    background-color: #f5e960;
+    height: 250px;
+    background-repeat: no-repeat;
+    background-position: center;
+}
+
diff --git a/public/images/lighthousetestsa3.JPG b/public/images/lighthousetestsa3.JPG
new file mode 100644
index 000000000..544b42895
Binary files /dev/null and b/public/images/lighthousetestsa3.JPG differ
diff --git a/public/js/login.js b/public/js/login.js
new file mode 100644
index 000000000..98b0b6f2a
--- /dev/null
+++ b/public/js/login.js
@@ -0,0 +1,86 @@
+window.onload = function () {
+    fetch('/redirectToUser', {
+        method: 'GET',
+        headers: { 'Content-Type': 'application/json' },
+    }).then(res => {
+        return res.json();
+    }).then(json => {
+        if (json.redirect) {
+            window.location.replace("/user.html");
+        }
+    })
+
+
+    const signIn = document.getElementById("signInBtn");
+    signIn.onclick = signInHandler;
+
+    const register = document.getElementById("registerAccBtn");
+    register.onclick = registerHandler;
+}
+
+const registerHandler = function (event) {
+    event.preventDefault();
+    let username = document.getElementById("regUser").value;
+    let password = document.getElementById("regPass").value;
+
+    if (username.trim() === "" || password.trim() === "") {
+        document.getElementById("regUser").value = "";
+        document.getElementById("regPass").value = "";
+        alert("Your username or password cannot be empty!");
+    } else {
+        let data = {
+            username: username,
+            password: password
+        }
+
+        fetch('/createAccount', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify(data)
+        }).then(res => {
+            return res.json();
+        }).then(json => {
+            document.getElementById("regUser").value = "";
+            document.getElementById("regPass").value = "";
+
+            if (json.registrationSuccess) {
+                alert("Your account has been successfully registered!");
+                window.location.replace("/user.html");
+            } else {
+                alert("The username " + username + " is already taken!");
+            }
+        })
+    }
+}
+const signInHandler = function (event) {
+    event.preventDefault();
+    const username = document.getElementById("usernameLogin").value;
+    const password = document.getElementById("passwordLogin").value;
+
+    let data = {
+        username: username,
+        password: password
+    }
+
+    fetch('/login', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(data)
+    }).then(res => {
+
+        return res.json();
+    }).then(json => {
+
+
+        document.getElementById("usernameLogin").value = "";
+        document.getElementById("passwordLogin").value = "";
+
+
+        if (json.loginSuccess) {
+            window.location.replace("/user.html");
+        } else {
+            alert("Incorrect username or password!");
+        }
+    })
+}
+
diff --git a/public/js/user.js b/public/js/user.js
new file mode 100644
index 000000000..60e4a1199
--- /dev/null
+++ b/public/js/user.js
@@ -0,0 +1,253 @@
+let global_username = "";
+
+window.onload = function () {
+
+    document.getElementById("addResponseBlock").style.display = "none";
+    document.getElementById("editResponseBlock").style.display = "none";
+
+    fetch('/getUsername', {
+        method: 'GET',
+        headers: { 'Content-Type': 'application/json' },
+    }).then(res => {
+        return res.json();
+    }).then(json => {
+        let username = json.username;
+        global_username = username;
+        let tableTitle = document.getElementById("tableTitle");
+        if (tableTitle != null) {
+            tableTitle.innerHTML= global_username+ "'s TDEE Calculations";
+        }
+
+        if (username == null || username === "") {
+            window.location.replace("/login.html");
+        }
+    })
+
+
+    setTimeout(function () {
+        updateUserTable();
+    }, 1000);
+    const signOut = document.getElementById("signOutButton");
+    signOut.onclick = signOutFunction;
+
+    document.getElementById("addResponseButton").onclick = function(){
+        document.getElementById("addResponseBlock").style.display = "block";
+        document.getElementById("editResponseBlock").style.display = "none";
+    }
+
+}
+
+const signOutFunction = function () {
+    fetch('/signOut', {
+        method: 'PUT',
+        headers: { 'Content-Type': 'application/json' },
+    }).then(res => {
+        return res.json();
+    }).then(json => {
+        let signOutSuccess = json.signOutSuccess;
+        if (signOutSuccess) {
+
+            window.location.replace("/login.html");
+        }
+    })
+}
+
+
+function updateUserTable() {
+    let table = document.getElementById("response");
+    table.innerHTML = '<thead><tr><th scope="col">Gender</th><th scope="col">Age</th><th scope="col">Weight (kg)</th><th scope="col">Height (cm)</th><th scope="col">Activity</th><th scope="col">TDEE</th><th scope="col">Edit</th><th scope="col">Delete</th></tr></thead>'
+    const jsonData = {
+        username: global_username
+    }
+
+    fetch('/getTableData', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(jsonData)
+    }).then(res => {
+        return res.json();
+    }).then(json => {
+        let rowIndex = 0;
+        for (let rowData of json.rows.response) {
+
+            let row = table.insertRow(-1);
+            let gender = row.insertCell(0);
+            let age = row.insertCell(1);
+            let weight = row.insertCell(2);
+            let height = row.insertCell(3);
+            let activity = row.insertCell(4);
+            let tdee = row.insertCell(5);
+            let editCell = row.insertCell(6);
+            let dltCell = row.insertCell(7);
+
+            row.cells[0].innerHTML = rowData.gender;
+            row.cells[1].innerHTML = rowData.age;
+            row.cells[2].innerHTML = rowData.weight;
+            row.cells[3].innerHTML = rowData.height;
+            row.cells[4].innerHTML = rowData.activity;
+            row.cells[5].innerHTML = tdeeCalculation(rowData.gender, rowData.age,rowData.weight, rowData.height, rowData.activity);
+            row.cells[6].innerHTML = '<button class="btn btn-warning" onclick="showEditRow(' + rowIndex + ')">Edit</button>';
+            row.cells[7].innerHTML = '<button class="btn btn-danger" onclick="deleteRow(' + rowIndex + ')">Delete</button>';
+
+            rowIndex++;
+        }
+    })
+}
+function showEditBlock() {
+    document.getElementById("addResponseBlock").style.display = "none";
+    document.getElementById("editResponseBlock").style.display = "block";
+}
+function showEditRow(rowIndex) {
+    showEditBlock();
+    let table = document.getElementById("response");
+    let row = table.rows[rowIndex+1];
+
+    document.getElementById('editgender').value = row.cells[0].innerHTML;
+    document.getElementById('editage').value = row.cells[1].innerHTML;
+    document.getElementById('editweight').value = row.cells[2].innerHTML;
+    document.getElementById('editheight').value = row.cells[3].innerHTML;
+    document.getElementById('editactivity').value = row.cells[5].innerHTML;
+    document.getElementById('hiddenRowIndex').value = rowIndex;
+
+}
+
+function editSubmit() {
+    const gender = document.getElementById('editgender').value;
+    const age = document.getElementById('editage').value;
+    const weight = document.getElementById('editweight').value;
+    const height = document.getElementById('editheight').value;
+    const activity = document.getElementById('editactivity').value;
+    const tdee = tdeeCalculation(gender, age, weight, height,activity);
+    const rowIndex = document.getElementById('hiddenRowIndex').value;
+
+    if (rowIndex === "") {
+        alert("Please press the 'Edit' button on a row to edit its data.");
+        return false;
+    }
+    if (age.trim() === '' || activity.trim() === '' || gender.trim() === '' || weight.trim() === '' || height.trim() === '') {
+        alert("To edit, please answer all questions")
+        return false;
+    } else {
+        const jsonData = {
+            index: rowIndex,
+            username: global_username,
+            age: age,
+            gender: gender,
+            activity: activity,
+            weight: weight,
+            height: height,
+            tdee: tdee,
+        }
+
+        fetch('/edit', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify(jsonData)
+        }).then(res => {
+            return res.json();
+        }).then(json => {
+        })
+
+        setTimeout(function () {
+            updateUserTable();
+        }, 1000);
+
+        document.getElementById('editage').value = "";
+        document.getElementById('editgender').value = "";
+        document.getElementById('editactivity').value = "";
+        document.getElementById('editweight').value = "";
+        document.getElementById('editheight').value = "";
+        document.getElementById('hiddenRowIndex').value = "";
+        closeAllBlocks();
+        return true;
+    }
+}
+function closeAllBlocks() {
+    document.getElementById("addResponseBlock").style.display = "none";
+    document.getElementById("editResponseBlock").style.display = "none";
+}
+
+function tdeeCalculation(gender, age, weight, height, activity) {
+    let tdee = 0;
+    if (gender === "Female"){
+        tdee = (665 + (9.6 * weight) + (1.8 * height) - (4.7 * age)) * activity + 250
+    }
+    else{
+        tdee = (66 + (13.7 * weight) + (5 * height) - (6.8 * age)) * activity + 250
+    }
+
+    return tdee;
+}
+
+const submit = function () {
+    const age = document.getElementById('age').value;
+    const activity = document.getElementById('activity').value;
+    const gender = document.getElementById('gender').value;
+    const weight = document.getElementById('weight').value;
+    const height = document.getElementById('height').value;
+    const tdee = tdeeCalculation(gender, age, weight, height,activity);
+
+    if (age.trim() === '' || activity.trim() === '' || gender.trim() === '' || weight.trim() === '' || height.trim() === '') {
+        alert("Please answer all questions.");
+        return false;
+    } else {
+        const jsonData = {
+            username: global_username,
+            age: age,
+            gender: gender,
+            activity: activity,
+            weight: weight,
+            height: height,
+            tdee: tdee,
+        }
+
+        fetch('/submit', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify(jsonData)
+        }).then(res => {
+            return res.json();
+        }).then(json => {
+        })
+
+        setTimeout(function () {
+            updateUserTable();
+        }, 1000);
+
+        clearForm();
+        closeAllBlocks();
+        return true;
+    }
+}
+
+function deleteRow(rowIndex) {
+    let confirmDelete = confirm("Please confirm you would like to delete this row. Changes are irreversible!");
+    if (confirmDelete) {
+        const json = {
+            username: global_username,
+            deletingItem: rowIndex
+        }
+
+        fetch('/delete', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify(json)
+        }).then(res => {
+            return res.json();
+        }).then(json => {
+            setTimeout(function () {
+                updateUserTable();
+            }, 1000);
+        })
+    }
+}
+
+function clearForm() {
+    document.getElementById('age').value = "";
+    document.getElementById('gender').value = "";
+    document.getElementById('activity').value = "";
+    document.getElementById('weight').value = "";
+    document.getElementById('height').value = "";
+}
+
+
diff --git a/public/login.html b/public/login.html
new file mode 100644
index 000000000..9595ddd9a
--- /dev/null
+++ b/public/login.html
@@ -0,0 +1,78 @@
+<!doctype html>
+<html lang="en">
+
+<head>
+
+  <title>Login to TDEE Calculator</title>
+  <meta charset="utf-8">
+  <meta name="description" content="TDEE Calculator-Login">
+  <meta name="keywords" content="TDEE, Calculator, HTML, CSS, JavaScript">
+  <meta name="author" content="Enoch Zhao">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+
+  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.1/dist/css/bootstrap.min.css" rel="stylesheet"
+        integrity="sha384-iYQeCzEYFbKjA/T2uDLTpkwGzCiq6soy8tYaI1GyVh/UjpbCx/TYkiZhlZB6+fzT" crossorigin="anonymous">
+  <link href="css/style.css" rel="stylesheet">
+
+</head>
+
+<body style="background-color: #FFE4E1">
+
+  <header class="container-fluid">
+
+        <h1 class="header-background text-dark text-center">TDEE Calculator</h1>
+
+  </header>
+
+  <div class="bg-dark text-light p-3">
+    <div class="row">
+      <p class="fs-3">Create an Account</p>
+      <form>
+        <div id="aria-username" class="mb-3">
+          <label for="regUser" class="form-label">Username</label>
+          <input type="text" class="form-control" id="regUser" placeholder="ex: enochzhao">
+        </div>
+        <div id="aria-password" class="mb-3">
+          <label for="regPass" class="form-label">Password</label>
+          <input type="password" class="form-control" id="regPass" placeholder="********">
+        </div>
+        <button onclick="event.preventDefault();" id="registerAccBtn" type="submit"
+                class="btn btn-success">Create</button>
+
+      </form>
+    </div>
+    <div id='login' class="container-fluid py-3">
+      <div class="row align-items-start text-center">
+        <div class="col">
+          <p class="fs-3">Existing User Login</p>
+          <form>
+            <div class="mb-3">
+              <label for="usernameLogin" class="form-label" >Username</label>
+              <input type="text" class="form-control" id="usernameLogin" placeholder="cs4241">
+              
+            </div>
+            <div class="mb-3">
+              <label for="passwordLogin" class="form-label">Password</label>
+              <input type="password" class="form-control" id="passwordLogin" placeholder="123123">
+              
+            </div>
+            <button id="signInBtn" onclick="event.preventDefault();" type="submit" class="btn btn-primary">Sign
+              in</button>
+          </form>
+        </div>
+        <div class="col align-items-start text-center">
+          <br>
+          <p class="fs-3">Or</p>
+
+            <a href="https://github.com/login/oauth/authorize?client_id=51f224cba83f6277d42f" class="btn btn-light">Github Login</a>
+
+        </div>
+
+      </div>
+    </div>
+  </div>
+
+  <script src='js/login.js'></script>
+</body>
+
+</html>
\ No newline at end of file
diff --git a/public/user.html b/public/user.html
new file mode 100644
index 000000000..dc2e54a0f
--- /dev/null
+++ b/public/user.html
@@ -0,0 +1,173 @@
+<!doctype html>
+<html lang="en">
+
+<head>
+
+  <title>TDEE Calculator-User Page</title>
+  <meta charset="utf-8">
+  <meta name="description" content="TDEE Calculator-User">
+  <meta name="keywords" content="TDEE, Calculator, HTML, CSS, JavaScript">
+  <meta name="author" content="Enoch Zhao">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+
+  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.2.1/dist/css/bootstrap.min.css" rel="stylesheet"
+        integrity="sha384-iYQeCzEYFbKjA/T2uDLTpkwGzCiq6soy8tYaI1GyVh/UjpbCx/TYkiZhlZB6+fzT" crossorigin="anonymous">
+  <link href="css/style.css" rel="stylesheet">
+
+</head>
+
+<body class="bg-dark">
+
+  <header class="container-fluid">
+    <div class = "row text-center">
+      <h1 class="bg-dark text-light text-center">TDEE Calculator</h1>
+      <div class ="d-grid gap-2 d-md-flex justify-content-md-center">
+
+      <button type="button" class="btn btn-lg btn-success" id="addResponseButton" onclick='document.getElementById("addResponseBlock").style.display = "block"'>
+        Add a Response
+      </button>
+
+      <a class="btn btn-lg btn-danger" id="signOutButton">Sign Out</a>
+        <br>
+        <br>
+
+    </div>
+    </div>
+
+
+    <div class="row align-items-center text-center">
+      <div class="col">
+
+      </div>
+      <div class="col">
+
+      </div>
+    </div>
+  </header>
+
+  <div class="user-background p-3">
+    <div id='info' class="container-fluid py-3">
+
+    </div>
+
+    <h2 class="text-center text-black" id="tableTitle">Response Table</h2>
+    <table id='response' class="table table-striped text-center">
+    </table>
+
+    <div class="responses-background p-3">
+      <div class="container-fluid py-3">
+
+
+        <div class="row align-items-start text-center" id="addResponseBlock">
+          
+          <h3>Add A Response</h3>
+
+          <div class="mb-3">
+              <form onsubmit='return false;'>
+                <label for='age' class="form-label">How old are you?</label>
+                <input type='text' class="form-control" id='age' value="">
+              </form>
+          </div>
+            
+          <div class="mb-3">
+            <label for='activity' class="form-label">How active are you?</label>
+            <select class="form-select" aria-label="Please select an activity level" id='activity'>
+              <option value='1.2'>Sedentary</option>
+              <option value='1.4'>Lightly Active</option>
+              <option value='1.7'>Moderately Active</option>
+              <option value='2.0'>Very Active</option>
+              <option value='2.4'>Athlete</option>
+            </select>
+          </div>
+
+          
+          <div class="mb-3">
+            <label for='gender' class="form-label">What is your gender?</label>
+            <select class="form-select" aria-label="Please select a gender" id='gender'>
+              <option value='not-provided'>Prefer not to say</option>
+              <option value='female'>Female</option>
+              <option value='male'>Male</option>
+              <option value='non-binary'>Non-Binary</option>
+            </select>
+          </div>
+
+
+          <div class="mb-3">
+            <form onsubmit="return false;">
+              <label for='weight' class="form-label">What is your weight (in kg)?
+              </label>
+              <input type='number' class="form-control" id='weight' value="">
+            </form>
+          </div>
+          
+          <div class="mb-3">
+            <form onsubmit="return false;">
+              <label for='height' class="form-label">How tall are you (in cm)?</label>
+              <input type='text' class="form-control" id='height' value="">
+            </form>
+          </div>
+            
+            <button class="btn btn-success" onclick='event.preventDefault(); submit();'>Add</button>
+          
+
+        </div>  
+
+        <div class="row align-items-start text-center" id="editResponseBlock">
+          <h3>Edit Response</h3>
+            
+          <div class="mb-3">
+            <form onsubmit="return false;">
+              <label for='age' class="form-label">How old are you?</label>
+              <input type='text' class="form-control" id='editage' value="">
+            </form>
+          </div>
+
+          <div class="mb-3">
+            <label for='activity' class="form-label">How active are you?</label>
+            <select class="form-select" aria-label="Please select an activity level" id='editactivity'>
+              <option value='1.2'>Sedentary</option>
+              <option value='1.4'>Lightly Active</option>
+              <option value='1.7'>Moderately Active</option>
+              <option value='2.0'>Very Active</option>
+              <option value='2.4'>Athlete</option>
+            </select>
+          </div>
+
+          
+          <div class="mb-3">
+            <label for='gender' class="form-label">What is your gender?</label>
+            <select class="form-select" aria-label="Please select a gender" id='editgender'>
+              <option value='not-provided'>Prefer not to say</option>
+              <option value='female'>Female</option>
+              <option value='male'>Male</option>
+              <option value='non-binary'>Non-Binary</option>
+            </select>
+          </div>
+
+
+          <div class="mb-3">
+            <form onSubmit="return false;">
+              <label for='weight' class="form-label">What is your weight (in kg)?
+              </label>
+              <input type='number' class="form-control" id='editweight' value="">
+            </form>
+          </div>
+
+          <div class="mb-3">
+            <form onSubmit="return false;">
+              <label for='height' class="form-label">How tall are you (in cm)?</label>
+              <input type='text' class="form-control" id='editheight' value="">
+            </form>
+          </div>
+          <input type="hidden" id="hiddenRowIndex">
+          <button class="btn btn-warning" onclick='editSubmit()'>Edit</button>
+        </div>
+      </div>
+    </div>
+  </div>
+
+
+  <script src='js/user.js'></script>
+  
+</body>
+</html>
\ No newline at end of file
diff --git a/server.improved.js b/server.improved.js
new file mode 100644
index 000000000..5c8d5503a
--- /dev/null
+++ b/server.improved.js
@@ -0,0 +1,217 @@
+const { MongoClient, ServerApiVersion } = require('mongodb');
+const uri = "mongodb+srv://templarenoch:v7DBhNxLPUUY721U@dacluster.pqwgabo.mongodb.net/?retryWrites=true&w=majority";
+const client = new MongoClient(uri, { useNewUrlParser: true, useUnifiedTopology: true, serverApi: ServerApiVersion.v1 });
+client.connect(err => {
+    const collection = client.db("test").collection("devices");
+    // perform actions on the collection object
+
+});
+
+const express = require('express'),
+    app = express(),
+    GitHubStrategy = require('passport-github2').Strategy,
+    passport = require('passport'), //Passport used to authenticate 3rd party login middleware #1
+    serveStatic = require('serve-static'), //Serve static files express middleware #2
+    bodyparser = require('body-parser'), //Parse HTTP request body express middleware #3
+    cookieSession = require("cookie-session"), //Establish cookie-based sessions express middleware #4
+    cookieParser = require("cookie-parser"), //Parse cookie header and populate cookie requests express middleware #5
+    mongoose = require('mongoose'); //Mongoose used to provide handler for MongoDB middleware #6
+
+// changed urlencoded to receive data from null or original form actions
+
+app.use(express.urlencoded({ extended: true }));
+app.use(cookieParser());
+require('dotenv').config();
+
+app.use(cookieSession({
+    name: "session",
+    keys: [process.env.KEY1, process.env.KEY2]
+}))
+
+mongoose.connect(process.env.MONGO_DB_URI);
+
+const userSchema = new mongoose.Schema({
+    username: String,
+    password: String,
+
+    responseList: {
+        response: [{
+            age: Number,
+            activity: Number,
+            gender: String,
+            weight: Number,
+            height: Number,
+            tdee: Number
+        }]
+    }
+});
+
+
+const User = mongoose.model("User", userSchema);
+
+app.use(express.static('public'))
+app.use(bodyparser.json())
+
+app.use(serveStatic('public', { 'index': ['login.html'] }))
+
+passport.serializeUser(function(user, done) {
+    done(null, user);
+});
+
+passport.deserializeUser(function(user, done) {
+    done(null, user);
+});
+
+passport.use(new GitHubStrategy({
+        clientID: process.env.GITHUB_CLIENT_ID,
+        clientSecret: process.env.GITHUB_SECRET,
+        callbackURL: "https://tdeecalculator.herokuapp.com/github/logs"
+    },
+    function(accessToken, refreshToken, profile, done) {
+        return done(null, profile);
+    }));
+
+app.use(passport.initialize());
+app.use(passport.session());
+
+app.get('/auth/error', (req, res) => response.send("Unknown Error"))
+app.get('/github/logs', passport.authenticate('github', { failureRedirect: '/auth/error'}),
+    function(req, res) {
+        res.redirect('/response?id=' + req.user.id)
+    })
+
+app.get('/response', async (req, res) => {
+    const githubUser = new User( {
+        username: req.query.id,
+        password: "",
+        responseList: {
+            response: []
+        }
+    });
+    githubUser.save();
+    req.session.login = true;
+    req.session.username = req.query.id;
+    res.redirect("user.html")
+});
+
+
+app.get('/redirectToUser', bodyparser.json(), (req, res) => {
+    if (req.session.login === true) {
+        res.json({ redirect: true });
+    } else {
+        res.json({ redirect: false });
+    }
+})
+
+app.get('/getUsername', bodyparser.json(), (req, res) => {
+    let username = req.session.username;
+    res.json({ username: username });
+})
+
+app.post('/getTableData', bodyparser.json(), async (req, res) => {
+    const user = await User.findOne({ username: req.body.username });
+    if (user !== null) {
+        console.log(user.responseList);
+        res.json({ rows: user.responseList });
+    }
+})
+
+
+app.post('/delete', bodyparser.json(), async (req, res) => {
+    console.log("Processing row deletion.");
+    const user = await User.findOne({ username: req.body.username });
+    if (user !== null) {
+        console.log("System found user.");
+        let rowIndex = req.body.deletingItem;
+        user.responseList.response.splice(rowIndex, 1);
+        user.save();
+        res.json({ success: true });
+    }
+})
+
+app.post('/edit', bodyparser.json(), async (req, res) => {
+    const user = await User.findOne({ username: req.body.username });
+    if (user !== null) {
+        let rowIndex = req.body.index;
+        console.log("splicing at index" + rowIndex);
+        user.responseList.response.splice(rowIndex, 1, req.body);
+        console.log(req.body);
+        user.save();
+        res.json({ success: true });
+    }
+})
+
+app.post('/submit', bodyparser.json(), async (req, res) => {
+    const user = await User.findOne({ username: req.body.username });
+    if (user !== null) {
+        user.responseList.response.push(req.body);
+        user.save();
+        res.json({ success: true });
+    }
+})
+
+app.post('/login', bodyparser.json(), async (req, res) => {
+    console.log(req.body.username);
+    const user = await User.findOne({ username: req.body.username, password: req.body.password });
+    if (user == null) {
+        req.session.login = false;
+        res.json({ loginSuccess: false });
+    } else {
+        req.session.login = true;
+        req.session.username = req.body.username;
+        res.json({ loginSuccess: true });
+        console.log("User logged in.");
+    }
+})
+
+app.put('/signOut', (req, res) => {
+    req.session.login = false;
+    req.session.username = "";
+    res.json({ signOutSuccess: true });
+});
+
+app.post('/createAccount', bodyparser.json(), async (req, res) => {
+    const user = await User.findOne({ username: req.body.username });
+    if (user == null) {
+        const newUser = new User({
+            username: req.body.username,
+            password: req.body.password,
+            responseList: {
+                response: []
+            }
+        });
+        newUser.save();
+
+        req.session.login = true;
+        req.session.username = req.body.username;
+        res.json({ registrationSuccess: true });
+        console.log("User successfully created account.");
+    } else {
+        req.session.login = false;
+        res.json({ registrationSuccess: false });
+    }
+})
+
+
+
+const listener = app.listen(process.env.PORT || 3000, () => {
+    console.log("Your app is listening on port " + listener.address().port);
+});
+
+// Replace the uri string with your MongoDB deployment's connection string.
+/*async function run() {
+    try {
+        const database = client.db("CS4241");
+        const haiku = database.collection("Users");
+        // create a document to insert
+        const doc = {
+            title: "Record of a Shriveled Datum",
+            content: "No bytes, no problem. Just insert a document, in MongoDB",
+        }
+        const result = await haiku.insertOne(doc);
+        console.log(`A document was inserted with the _id: ${result.insertedId}`);
+    } finally {
+        await client.close();
+    }
+}
+run().catch(console.dir);*/
\ No newline at end of file